* [PATCH 0/6] remove xen dom0 support in DPDK
@ 2017-08-30 18:10 Jianfeng Tan
2017-08-30 18:10 ` [PATCH 1/6] example/vhost_xen: remove Jianfeng Tan
` (10 more replies)
0 siblings, 11 replies; 38+ messages in thread
From: Jianfeng Tan @ 2017-08-30 18:10 UTC (permalink / raw)
To: dev
Cc: xen-devel, thomas, john.mcnamara, oao.m.martins, jerin.jacob,
shahafs, Jianfeng Tan
Following the calls on the mailing list:
http://dpdk.org/ml/archives/dev/2017-June/068151.html
The Technical Board decided to drop Xen dom0 support from EAL:
http://dpdk.org/ml/archives/dev/2017-June/068615.html
This series remove xen dom0 support in DPDK, as well as xenvirt PMD and
vhost_xen example.
What are effected?
After these patches, users cannot run DPDK applications inside xen dom0.
What are not effected?
Users can still run DPDK applications inside xen domU on pass-throughed
physical devices and virtio devices; on the host, users still can run
DPDK applications same as before.
Jianfeng Tan (6):
example/vhost_xen: remove
net/xenvirt: remove
xen: remove xen dependency in app, examples, test
xen: remove xen dependency in drivers, ether, mempool
eal: remove xen dom0 support
eal: remove API rte_mem_phy2mch
MAINTAINERS | 10 -
app/test-pmd/Makefile | 4 -
app/test-pmd/testpmd.c | 14 +-
config/common_base | 10 -
config/defconfig_arm-armv7a-linuxapp-gcc | 1 -
doc/guides/index.rst | 1 -
doc/guides/linux_gsg/build_sample_apps.rst | 5 +-
doc/guides/linux_gsg/sys_reqs.rst | 53 -
doc/guides/nics/features/xenvirt.ini | 6 -
doc/guides/prog_guide/source_org.rst | 1 -
doc/guides/rel_notes/deprecation.rst | 3 -
doc/guides/rel_notes/release_17_11.rst | 14 +
doc/guides/testpmd_app_ug/run_app.rst | 4 -
doc/guides/xen/img/dpdk_xen_pkt_switch.png | Bin 163842 -> 0 bytes
doc/guides/xen/img/grant_refs.png | Bin 6405 -> 0 bytes
doc/guides/xen/img/grant_table.png | Bin 96762 -> 0 bytes
doc/guides/xen/index.rst | 38 -
doc/guides/xen/pkt_switch.rst | 470 ------
drivers/crypto/qat/qat_qp.c | 7 +-
drivers/net/Makefile | 2 -
drivers/net/e1000/em_rxtx.c | 4 +-
drivers/net/e1000/igb_rxtx.c | 4 +-
drivers/net/fm10k/fm10k_ethdev.c | 4 +-
drivers/net/i40e/i40e_ethdev.c | 2 +-
drivers/net/i40e/i40e_fdir.c | 2 +-
drivers/net/i40e/i40e_rxtx.c | 16 +-
drivers/net/ixgbe/ixgbe_rxtx.c | 4 +-
drivers/net/sfc/sfc.c | 2 +-
drivers/net/xenvirt/Makefile | 57 -
drivers/net/xenvirt/rte_eth_xenvirt.c | 766 ----------
drivers/net/xenvirt/rte_eth_xenvirt.h | 61 -
drivers/net/xenvirt/rte_eth_xenvirt_version.map | 7 -
drivers/net/xenvirt/rte_mempool_gntalloc.c | 295 ----
drivers/net/xenvirt/rte_xen_lib.c | 454 ------
drivers/net/xenvirt/rte_xen_lib.h | 116 --
drivers/net/xenvirt/virtio_logs.h | 70 -
drivers/net/xenvirt/virtqueue.h | 273 ----
examples/Makefile | 1 -
examples/ip_pipeline/app.h | 4 -
examples/ip_pipeline/config_parse.c | 19 -
examples/ip_pipeline/init.c | 5 -
examples/kni/main.c | 3 -
examples/vhost_xen/Makefile | 52 -
examples/vhost_xen/main.c | 1522 --------------------
examples/vhost_xen/main.h | 66 -
examples/vhost_xen/vhost_monitor.c | 595 --------
examples/vhost_xen/virtio-net.h | 113 --
examples/vhost_xen/xen_vhost.h | 148 --
examples/vhost_xen/xenstore_parse.c | 775 ----------
.../bsdapp/eal/include/exec-env/rte_dom0_common.h | 107 --
lib/librte_eal/common/eal_common_options.c | 3 -
lib/librte_eal/common/eal_internal_cfg.h | 1 -
lib/librte_eal/common/eal_options.h | 2 -
lib/librte_eal/common/include/rte_memory.h | 71 -
lib/librte_eal/linuxapp/Makefile | 2 -
lib/librte_eal/linuxapp/eal/Makefile | 5 +-
lib/librte_eal/linuxapp/eal/eal.c | 24 -
lib/librte_eal/linuxapp/eal/eal_memory.c | 56 -
lib/librte_eal/linuxapp/eal/eal_xen_memory.c | 381 -----
.../eal/include/exec-env/rte_dom0_common.h | 108 --
lib/librte_eal/linuxapp/igb_uio/igb_uio.c | 54 -
lib/librte_eal/linuxapp/xen_dom0/Makefile | 53 -
lib/librte_eal/linuxapp/xen_dom0/compat.h | 15 -
lib/librte_eal/linuxapp/xen_dom0/dom0_mm_dev.h | 107 --
lib/librte_eal/linuxapp/xen_dom0/dom0_mm_misc.c | 780 ----------
lib/librte_ether/rte_ethdev.c | 7 +-
lib/librte_mempool/rte_mempool.c | 11 +-
mk/rte.app.mk | 1 -
pkg/dpdk.spec | 6 -
test/test/process.h | 10 -
test/test/test.c | 4 -
test/test/test_eal_flags.c | 81 --
72 files changed, 38 insertions(+), 7934 deletions(-)
delete mode 100644 doc/guides/nics/features/xenvirt.ini
delete mode 100644 doc/guides/xen/img/dpdk_xen_pkt_switch.png
delete mode 100644 doc/guides/xen/img/grant_refs.png
delete mode 100644 doc/guides/xen/img/grant_table.png
delete mode 100644 doc/guides/xen/index.rst
delete mode 100644 doc/guides/xen/pkt_switch.rst
delete mode 100644 drivers/net/xenvirt/Makefile
delete mode 100644 drivers/net/xenvirt/rte_eth_xenvirt.c
delete mode 100644 drivers/net/xenvirt/rte_eth_xenvirt.h
delete mode 100644 drivers/net/xenvirt/rte_eth_xenvirt_version.map
delete mode 100644 drivers/net/xenvirt/rte_mempool_gntalloc.c
delete mode 100644 drivers/net/xenvirt/rte_xen_lib.c
delete mode 100644 drivers/net/xenvirt/rte_xen_lib.h
delete mode 100644 drivers/net/xenvirt/virtio_logs.h
delete mode 100644 drivers/net/xenvirt/virtqueue.h
delete mode 100644 examples/vhost_xen/Makefile
delete mode 100644 examples/vhost_xen/main.c
delete mode 100644 examples/vhost_xen/main.h
delete mode 100644 examples/vhost_xen/vhost_monitor.c
delete mode 100644 examples/vhost_xen/virtio-net.h
delete mode 100644 examples/vhost_xen/xen_vhost.h
delete mode 100644 examples/vhost_xen/xenstore_parse.c
delete mode 100644 lib/librte_eal/bsdapp/eal/include/exec-env/rte_dom0_common.h
delete mode 100644 lib/librte_eal/linuxapp/eal/eal_xen_memory.c
delete mode 100644 lib/librte_eal/linuxapp/eal/include/exec-env/rte_dom0_common.h
delete mode 100644 lib/librte_eal/linuxapp/xen_dom0/Makefile
delete mode 100644 lib/librte_eal/linuxapp/xen_dom0/compat.h
delete mode 100644 lib/librte_eal/linuxapp/xen_dom0/dom0_mm_dev.h
delete mode 100644 lib/librte_eal/linuxapp/xen_dom0/dom0_mm_misc.c
--
2.7.4
^ permalink raw reply [flat|nested] 38+ messages in thread
* [PATCH 1/6] example/vhost_xen: remove
2017-08-30 18:10 [PATCH 0/6] remove xen dom0 support in DPDK Jianfeng Tan
2017-08-30 18:10 ` [PATCH 1/6] example/vhost_xen: remove Jianfeng Tan
@ 2017-08-30 18:10 ` Jianfeng Tan
2017-09-04 14:14 ` [dpdk-dev] " Bruce Richardson
2017-09-04 14:14 ` Bruce Richardson
2017-08-30 18:10 ` [PATCH 2/6] net/xenvirt: remove Jianfeng Tan
` (8 subsequent siblings)
10 siblings, 2 replies; 38+ messages in thread
From: Jianfeng Tan @ 2017-08-30 18:10 UTC (permalink / raw)
To: dev
Cc: xen-devel, thomas, john.mcnamara, oao.m.martins, jerin.jacob,
shahafs, Jianfeng Tan
Signed-off-by: Jianfeng Tan <jianfeng.tan@intel.com>
---
MAINTAINERS | 1 -
examples/Makefile | 1 -
examples/vhost_xen/Makefile | 52 --
examples/vhost_xen/main.c | 1522 -----------------------------------
examples/vhost_xen/main.h | 66 --
examples/vhost_xen/vhost_monitor.c | 595 --------------
examples/vhost_xen/virtio-net.h | 113 ---
examples/vhost_xen/xen_vhost.h | 148 ----
examples/vhost_xen/xenstore_parse.c | 775 ------------------
9 files changed, 3273 deletions(-)
delete mode 100644 examples/vhost_xen/Makefile
delete mode 100644 examples/vhost_xen/main.c
delete mode 100644 examples/vhost_xen/main.h
delete mode 100644 examples/vhost_xen/vhost_monitor.c
delete mode 100644 examples/vhost_xen/virtio-net.h
delete mode 100644 examples/vhost_xen/xen_vhost.h
delete mode 100644 examples/vhost_xen/xenstore_parse.c
diff --git a/MAINTAINERS b/MAINTAINERS
index a0cd75e..fe6c6db 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -196,7 +196,6 @@ F: lib/librte_eal/linuxapp/eal/*xen*
F: lib/librte_eal/linuxapp/eal/include/exec-env/rte_dom0_common.h
F: drivers/net/xenvirt/
F: doc/guides/xen/
-F: examples/vhost_xen/
F: doc/guides/nics/features/xenvirt.ini
FreeBSD EAL (with overlaps)
diff --git a/examples/Makefile b/examples/Makefile
index 28354ff..d27eddd 100644
--- a/examples/Makefile
+++ b/examples/Makefile
@@ -89,7 +89,6 @@ DIRS-$(CONFIG_RTE_LIBRTE_VHOST) += tep_termination
endif
DIRS-$(CONFIG_RTE_LIBRTE_TIMER) += timer
DIRS-$(CONFIG_RTE_LIBRTE_VHOST) += vhost vhost_scsi
-DIRS-$(CONFIG_RTE_LIBRTE_XEN_DOM0) += vhost_xen
DIRS-y += vmdq
DIRS-y += vmdq_dcb
ifeq ($(CONFIG_RTE_LIBRTE_POWER), y)
diff --git a/examples/vhost_xen/Makefile b/examples/vhost_xen/Makefile
deleted file mode 100644
index ad2466a..0000000
--- a/examples/vhost_xen/Makefile
+++ /dev/null
@@ -1,52 +0,0 @@
-# BSD LICENSE
-#
-# Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
-# All rights reserved.
-#
-# Redistribution and use in source and binary forms, with or without
-# modification, are permitted provided that the following conditions
-# are met:
-#
-# * Redistributions of source code must retain the above copyright
-# notice, this list of conditions and the following disclaimer.
-# * Redistributions in binary form must reproduce the above copyright
-# notice, this list of conditions and the following disclaimer in
-# the documentation and/or other materials provided with the
-# distribution.
-# * Neither the name of Intel Corporation nor the names of its
-# contributors may be used to endorse or promote products derived
-# from this software without specific prior written permission.
-#
-# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-ifeq ($(RTE_SDK),)
-$(error "Please define RTE_SDK environment variable")
-endif
-
-# Default target, can be overridden by command line or environment
-RTE_TARGET ?= x86_64-native-linuxapp-gcc
-
-include $(RTE_SDK)/mk/rte.vars.mk
-
-# binary name
-APP = vhost-switch
-
-# all source are stored in SRCS-y
-SRCS-y := main.c vhost_monitor.c xenstore_parse.c
-
-CFLAGS += -O2 -I/usr/local/include -D_FILE_OFFSET_BITS=64 -Wno-unused-parameter
-CFLAGS += $(WERROR_FLAGS)
-CFLAGS += -D_GNU_SOURCE
-LDFLAGS += -lxenstore
-
-include $(RTE_SDK)/mk/rte.extapp.mk
diff --git a/examples/vhost_xen/main.c b/examples/vhost_xen/main.c
deleted file mode 100644
index eba4d35..0000000
--- a/examples/vhost_xen/main.c
+++ /dev/null
@@ -1,1522 +0,0 @@
-/*-
- * BSD LICENSE
- *
- * Copyright(c) 2010-2015 Intel Corporation. All rights reserved.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- * * Neither the name of Intel Corporation nor the names of its
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include <arpa/inet.h>
-#include <getopt.h>
-#include <linux/if_ether.h>
-#include <linux/if_vlan.h>
-#include <linux/virtio_net.h>
-#include <linux/virtio_ring.h>
-#include <signal.h>
-#include <stdint.h>
-#include <sys/eventfd.h>
-#include <sys/param.h>
-#include <unistd.h>
-
-#include <rte_atomic.h>
-#include <rte_cycles.h>
-#include <rte_ethdev.h>
-#include <rte_log.h>
-#include <rte_string_fns.h>
-#include <rte_pause.h>
-
-#include "main.h"
-#include "virtio-net.h"
-#include "xen_vhost.h"
-
-#define MAX_QUEUES 128
-
-/* the maximum number of external ports supported */
-#define MAX_SUP_PORTS 1
-
-/*
- * Calculate the number of buffers needed per port
- */
-#define NUM_MBUFS_PER_PORT ((MAX_QUEUES*RTE_TEST_RX_DESC_DEFAULT) + \
- (num_switching_cores*MAX_PKT_BURST) + \
- (num_switching_cores*RTE_TEST_TX_DESC_DEFAULT) +\
- (num_switching_cores*MBUF_CACHE_SIZE))
-
-#define MBUF_CACHE_SIZE 64
-
-/*
- * RX and TX Prefetch, Host, and Write-back threshold values should be
- * carefully set for optimal performance. Consult the network
- * controller's datasheet and supporting DPDK documentation for guidance
- * on how these parameters should be set.
- */
-#define RX_PTHRESH 8 /* Default values of RX prefetch threshold reg. */
-#define RX_HTHRESH 8 /* Default values of RX host threshold reg. */
-#define RX_WTHRESH 4 /* Default values of RX write-back threshold reg. */
-
-/*
- * These default values are optimized for use with the Intel(R) 82599 10 GbE
- * Controller and the DPDK ixgbe PMD. Consider using other values for other
- * network controllers and/or network drivers.
- */
-#define TX_PTHRESH 36 /* Default values of TX prefetch threshold reg. */
-#define TX_HTHRESH 0 /* Default values of TX host threshold reg. */
-#define TX_WTHRESH 0 /* Default values of TX write-back threshold reg. */
-
-#define MAX_PKT_BURST 32 /* Max burst size for RX/TX */
-#define MAX_MRG_PKT_BURST 16 /* Max burst for merge buffers. Set to 1 due to performance issue. */
-#define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */
-
-/* State of virtio device. */
-#define DEVICE_NOT_READY 0
-#define DEVICE_READY 1
-#define DEVICE_SAFE_REMOVE 2
-
-/* Config_core_flag status definitions. */
-#define REQUEST_DEV_REMOVAL 1
-#define ACK_DEV_REMOVAL 0
-
-/* Configurable number of RX/TX ring descriptors */
-#define RTE_TEST_RX_DESC_DEFAULT 128
-#define RTE_TEST_TX_DESC_DEFAULT 512
-
-#define INVALID_PORT_ID 0xFF
-
-/* Max number of devices. Limited by vmdq. */
-#define MAX_DEVICES 64
-
-/* Size of buffers used for snprintfs. */
-#define MAX_PRINT_BUFF 6072
-
-
-/* Maximum long option length for option parsing. */
-#define MAX_LONG_OPT_SZ 64
-
-/* Used to compare MAC addresses. */
-#define MAC_ADDR_CMP 0xFFFFFFFFFFFF
-
-/* mask of enabled ports */
-static uint32_t enabled_port_mask = 0;
-
-/*Number of switching cores enabled*/
-static uint32_t num_switching_cores = 0;
-
-/* number of devices/queues to support*/
-static uint32_t num_queues = 0;
-uint32_t num_devices = 0;
-
-/* Enable VM2VM communications. If this is disabled then the MAC address compare is skipped. */
-static uint32_t enable_vm2vm = 1;
-/* Enable stats. */
-static uint32_t enable_stats = 0;
-
-/* empty vmdq configuration structure. Filled in programatically */
-static const struct rte_eth_conf vmdq_conf_default = {
- .rxmode = {
- .mq_mode = ETH_MQ_RX_VMDQ_ONLY,
- .split_hdr_size = 0,
- .header_split = 0, /**< Header Split disabled */
- .hw_ip_checksum = 0, /**< IP checksum offload disabled */
- .hw_vlan_filter = 0, /**< VLAN filtering disabled */
- /*
- * It is necessary for 1G NIC such as I350,
- * this fixes bug of ipv4 forwarding in guest can't
- * forward pakets from one virtio dev to another virtio dev.
- */
- .hw_vlan_strip = 1, /**< VLAN strip enabled. */
- .jumbo_frame = 0, /**< Jumbo Frame Support disabled */
- .hw_strip_crc = 1, /**< CRC stripped by hardware */
- },
-
- .txmode = {
- .mq_mode = ETH_MQ_TX_NONE,
- },
- .rx_adv_conf = {
- /*
- * should be overridden separately in code with
- * appropriate values
- */
- .vmdq_rx_conf = {
- .nb_queue_pools = ETH_8_POOLS,
- .enable_default_pool = 0,
- .default_pool = 0,
- .nb_pool_maps = 0,
- .pool_map = {{0, 0},},
- },
- },
-};
-
-static unsigned lcore_ids[RTE_MAX_LCORE];
-static uint8_t ports[RTE_MAX_ETHPORTS];
-static unsigned num_ports = 0; /**< The number of ports specified in command line */
-
-const uint16_t vlan_tags[] = {
- 1000, 1001, 1002, 1003, 1004, 1005, 1006, 1007,
- 1008, 1009, 1010, 1011, 1012, 1013, 1014, 1015,
- 1016, 1017, 1018, 1019, 1020, 1021, 1022, 1023,
- 1024, 1025, 1026, 1027, 1028, 1029, 1030, 1031,
- 1032, 1033, 1034, 1035, 1036, 1037, 1038, 1039,
- 1040, 1041, 1042, 1043, 1044, 1045, 1046, 1047,
- 1048, 1049, 1050, 1051, 1052, 1053, 1054, 1055,
- 1056, 1057, 1058, 1059, 1060, 1061, 1062, 1063,
-};
-
-/* ethernet addresses of ports */
-static struct ether_addr vmdq_ports_eth_addr[RTE_MAX_ETHPORTS];
-
-/* heads for the main used and free linked lists for the data path. */
-static struct virtio_net_data_ll *ll_root_used = NULL;
-static struct virtio_net_data_ll *ll_root_free = NULL;
-
-/* Array of data core structures containing information on individual core linked lists. */
-static struct lcore_info lcore_info[RTE_MAX_LCORE];
-
-/* Used for queueing bursts of TX packets. */
-struct mbuf_table {
- unsigned len;
- unsigned txq_id;
- struct rte_mbuf *m_table[MAX_PKT_BURST];
-};
-
-/* TX queue for each data core. */
-struct mbuf_table lcore_tx_queue[RTE_MAX_LCORE];
-
-/* Vlan header struct used to insert vlan tags on TX. */
-struct vlan_ethhdr {
- unsigned char h_dest[ETH_ALEN];
- unsigned char h_source[ETH_ALEN];
- __be16 h_vlan_proto;
- __be16 h_vlan_TCI;
- __be16 h_vlan_encapsulated_proto;
-};
-
-/* Header lengths. */
-#define VLAN_HLEN 4
-#define VLAN_ETH_HLEN 18
-
-/* Per-device statistics struct */
-struct device_statistics {
- uint64_t tx_total;
- rte_atomic64_t rx_total;
- uint64_t tx;
- rte_atomic64_t rx;
-} __rte_cache_aligned;
-struct device_statistics dev_statistics[MAX_DEVICES];
-
-/*
- * Builds up the correct configuration for VMDQ VLAN pool map
- * according to the pool & queue limits.
- */
-static inline int
-get_eth_conf(struct rte_eth_conf *eth_conf, uint32_t num_devices)
-{
- struct rte_eth_vmdq_rx_conf conf;
- unsigned i;
-
- memset(&conf, 0, sizeof(conf));
- conf.nb_queue_pools = (enum rte_eth_nb_pools)num_devices;
- conf.nb_pool_maps = num_devices;
-
- for (i = 0; i < conf.nb_pool_maps; i++) {
- conf.pool_map[i].vlan_id = vlan_tags[ i ];
- conf.pool_map[i].pools = (1UL << i);
- }
-
- (void)(rte_memcpy(eth_conf, &vmdq_conf_default, sizeof(*eth_conf)));
- (void)(rte_memcpy(ð_conf->rx_adv_conf.vmdq_rx_conf, &conf,
- sizeof(eth_conf->rx_adv_conf.vmdq_rx_conf)));
- return 0;
-}
-
-/*
- * Validate the device number according to the max pool number gotten form dev_info
- * If the device number is invalid, give the error message and return -1.
- * Each device must have its own pool.
- */
-static inline int
-validate_num_devices(uint32_t max_nb_devices)
-{
- if (num_devices > max_nb_devices) {
- RTE_LOG(ERR, VHOST_PORT, "invalid number of devices\n");
- return -1;
- }
- return 0;
-}
-
-/*
- * Initialises a given port using global settings and with the rx buffers
- * coming from the mbuf_pool passed as parameter
- */
-static inline int
-port_init(uint8_t port, struct rte_mempool *mbuf_pool)
-{
- struct rte_eth_dev_info dev_info;
- struct rte_eth_rxconf *rxconf;
- struct rte_eth_conf port_conf;
- uint16_t rx_rings, tx_rings = (uint16_t)rte_lcore_count();
- uint16_t rx_ring_size = RTE_TEST_RX_DESC_DEFAULT;
- uint16_t tx_ring_size = RTE_TEST_TX_DESC_DEFAULT;
- int retval;
- uint16_t q;
-
- /* The max pool number from dev_info will be used to validate the pool number specified in cmd line */
- rte_eth_dev_info_get (port, &dev_info);
-
- /*configure the number of supported virtio devices based on VMDQ limits */
- num_devices = dev_info.max_vmdq_pools;
- num_queues = dev_info.max_rx_queues;
-
- retval = validate_num_devices(MAX_DEVICES);
- if (retval < 0)
- return retval;
-
- /* Get port configuration. */
- retval = get_eth_conf(&port_conf, num_devices);
- if (retval < 0)
- return retval;
-
- if (port >= rte_eth_dev_count()) return -1;
-
- rx_rings = (uint16_t)num_queues,
- /* Configure ethernet device. */
- retval = rte_eth_dev_configure(port, rx_rings, tx_rings, &port_conf);
- if (retval != 0)
- return retval;
-
- retval = rte_eth_dev_adjust_nb_rx_tx_desc(port, &rx_ring_size,
- &tx_ring_size);
- if (retval != 0)
- return retval;
- if (rx_ring_size > RTE_TEST_RX_DESC_DEFAULT ||
- tx_ring_size > RTE_TEST_TX_DESC_DEFAULT) {
- RTE_LOG(ERR, VHOST_PORT, "Mbuf pool has an insufficient size for "
- "port %u.\n", port);
- return -1;
- }
-
- rte_eth_dev_info_get(port, &dev_info);
- rxconf = &dev_info.default_rxconf;
- rxconf->rx_drop_en = 1;
- /* Setup the queues. */
- for (q = 0; q < rx_rings; q ++) {
- retval = rte_eth_rx_queue_setup(port, q, rx_ring_size,
- rte_eth_dev_socket_id(port), rxconf,
- mbuf_pool);
- if (retval < 0)
- return retval;
- }
- for (q = 0; q < tx_rings; q ++) {
- retval = rte_eth_tx_queue_setup(port, q, tx_ring_size,
- rte_eth_dev_socket_id(port),
- NULL);
- if (retval < 0)
- return retval;
- }
-
- /* Start the device. */
- retval = rte_eth_dev_start(port);
- if (retval < 0)
- return retval;
-
- rte_eth_macaddr_get(port, &vmdq_ports_eth_addr[port]);
- RTE_LOG(INFO, VHOST_PORT, "Max virtio devices supported: %u\n", num_devices);
- RTE_LOG(INFO, VHOST_PORT, "Port %u MAC: %02"PRIx8" %02"PRIx8" %02"PRIx8
- " %02"PRIx8" %02"PRIx8" %02"PRIx8"\n",
- (unsigned)port,
- vmdq_ports_eth_addr[port].addr_bytes[0],
- vmdq_ports_eth_addr[port].addr_bytes[1],
- vmdq_ports_eth_addr[port].addr_bytes[2],
- vmdq_ports_eth_addr[port].addr_bytes[3],
- vmdq_ports_eth_addr[port].addr_bytes[4],
- vmdq_ports_eth_addr[port].addr_bytes[5]);
-
- return 0;
-}
-
-/*
- * Parse the portmask provided at run time.
- */
-static int
-parse_portmask(const char *portmask)
-{
- char *end = NULL;
- unsigned long pm;
-
- errno = 0;
-
- /* parse hexadecimal string */
- pm = strtoul(portmask, &end, 16);
- if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0') || (errno != 0))
- return -1;
-
- if (pm == 0)
- return -1;
-
- return pm;
-
-}
-
-/*
- * Parse num options at run time.
- */
-static int
-parse_num_opt(const char *q_arg, uint32_t max_valid_value)
-{
- char *end = NULL;
- unsigned long num;
-
- errno = 0;
-
- /* parse unsigned int string */
- num = strtoul(q_arg, &end, 10);
- if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0') || (errno != 0))
- return -1;
-
- if (num > max_valid_value)
- return -1;
-
- return num;
-
-}
-
-/*
- * Display usage
- */
-static void
-us_vhost_usage(const char *prgname)
-{
- RTE_LOG(INFO, VHOST_CONFIG, "%s [EAL options] -- -p PORTMASK --vm2vm [0|1] --stats [0-N] --nb-devices ND\n"
- " -p PORTMASK: Set mask for ports to be used by application\n"
- " --vm2vm [0|1]: disable/enable(default) vm2vm comms\n"
- " --stats [0-N]: 0: Disable stats, N: Time in seconds to print stats\n",
- prgname);
-}
-
-/*
- * Parse the arguments given in the command line of the application.
- */
-static int
-us_vhost_parse_args(int argc, char **argv)
-{
- int opt, ret;
- int option_index;
- unsigned i;
- const char *prgname = argv[0];
- static struct option long_option[] = {
- {"vm2vm", required_argument, NULL, 0},
- {"stats", required_argument, NULL, 0},
- {NULL, 0, 0, 0}
- };
-
- /* Parse command line */
- while ((opt = getopt_long(argc, argv, "p:",long_option, &option_index)) != EOF) {
- switch (opt) {
- /* Portmask */
- case 'p':
- enabled_port_mask = parse_portmask(optarg);
- if (enabled_port_mask == 0) {
- RTE_LOG(INFO, VHOST_CONFIG, "Invalid portmask\n");
- us_vhost_usage(prgname);
- return -1;
- }
- break;
-
- case 0:
- /* Enable/disable vm2vm comms. */
- if (!strncmp(long_option[option_index].name, "vm2vm", MAX_LONG_OPT_SZ)) {
- ret = parse_num_opt(optarg, 1);
- if (ret == -1) {
- RTE_LOG(INFO, VHOST_CONFIG, "Invalid argument for vm2vm [0|1]\n");
- us_vhost_usage(prgname);
- return -1;
- } else {
- enable_vm2vm = ret;
- }
- }
-
- /* Enable/disable stats. */
- if (!strncmp(long_option[option_index].name, "stats", MAX_LONG_OPT_SZ)) {
- ret = parse_num_opt(optarg, INT32_MAX);
- if (ret == -1) {
- RTE_LOG(INFO, VHOST_CONFIG, "Invalid argument for stats [0..N]\n");
- us_vhost_usage(prgname);
- return -1;
- } else {
- enable_stats = ret;
- }
- }
- break;
-
- /* Invalid option - print options. */
- default:
- us_vhost_usage(prgname);
- return -1;
- }
- }
-
- for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
- if (enabled_port_mask & (1 << i))
- ports[num_ports++] = (uint8_t)i;
- }
-
- if ((num_ports == 0) || (num_ports > MAX_SUP_PORTS)) {
- RTE_LOG(INFO, VHOST_PORT, "Current enabled port number is %u,"
- "but only %u port can be enabled\n",num_ports, MAX_SUP_PORTS);
- return -1;
- }
-
- return 0;
-}
-
-/*
- * Update the global var NUM_PORTS and array PORTS according to system ports number
- * and return valid ports number
- */
-static unsigned check_ports_num(unsigned nb_ports)
-{
- unsigned valid_num_ports = num_ports;
- unsigned portid;
-
- if (num_ports > nb_ports) {
- RTE_LOG(INFO, VHOST_PORT, "\nSpecified port number(%u) exceeds total system port number(%u)\n",
- num_ports, nb_ports);
- num_ports = nb_ports;
- }
-
- for (portid = 0; portid < num_ports; portid ++) {
- if (ports[portid] >= nb_ports) {
- RTE_LOG(INFO, VHOST_PORT, "\nSpecified port ID(%u) exceeds max system port ID(%u)\n",
- ports[portid], (nb_ports - 1));
- ports[portid] = INVALID_PORT_ID;
- valid_num_ports--;
- }
- }
- return valid_num_ports;
-}
-
-/*
- * Function to convert guest physical addresses to vhost virtual addresses. This
- * is used to convert virtio buffer addresses.
- */
-static __rte_always_inline uint64_t
-gpa_to_vva(struct virtio_net *dev, uint64_t guest_pa)
-{
- struct virtio_memory_regions *region;
- uint32_t regionidx;
- uint64_t vhost_va = 0;
-
- for (regionidx = 0; regionidx < dev->mem->nregions; regionidx++) {
- region = &dev->mem->regions[regionidx];
- if ((guest_pa >= region->guest_phys_address) &&
- (guest_pa <= region->guest_phys_address_end)) {
- vhost_va = region->address_offset + guest_pa;
- break;
- }
- }
- RTE_LOG_DP(DEBUG, VHOST_DATA, "(%" PRIu64 ") GPA %p| VVA %p\n",
- dev->device_fh, (void*)(uintptr_t)guest_pa, (void*)(uintptr_t)vhost_va);
-
- return vhost_va;
-}
-
-/*
- * This function adds buffers to the virtio devices RX virtqueue. Buffers can
- * be received from the physical port or from another virtio device. A packet
- * count is returned to indicate the number of packets that were successfully
- * added to the RX queue.
- */
-static __rte_always_inline uint32_t
-virtio_dev_rx(struct virtio_net *dev, struct rte_mbuf **pkts, uint32_t count)
-{
- struct vhost_virtqueue *vq;
- struct vring_desc *desc;
- struct rte_mbuf *buff;
- /* The virtio_hdr is initialised to 0. */
- struct virtio_net_hdr_mrg_rxbuf virtio_hdr = {{0,0,0,0,0,0},0};
- uint64_t buff_addr = 0;
- uint64_t buff_hdr_addr = 0;
- uint32_t head[MAX_PKT_BURST], packet_len = 0;
- uint32_t head_idx, packet_success = 0;
- uint16_t avail_idx, res_cur_idx;
- uint16_t res_base_idx, res_end_idx;
- uint16_t free_entries;
- uint8_t success = 0;
- void *userdata;
-
- RTE_LOG_DP(DEBUG, VHOST_DATA, "(%" PRIu64 ") virtio_dev_rx()\n", dev->device_fh);
- vq = dev->virtqueue_rx;
- count = (count > MAX_PKT_BURST) ? MAX_PKT_BURST : count;
- /* As many data cores may want access to available buffers, they need to be reserved. */
- do {
-
- res_base_idx = vq->last_used_idx_res;
-
- avail_idx = *((volatile uint16_t *)&vq->avail->idx);
-
- free_entries = (avail_idx - res_base_idx);
-
- /*check that we have enough buffers*/
- if (unlikely(count > free_entries))
- count = free_entries;
-
- if (count == 0)
- return 0;
-
- res_end_idx = res_base_idx + count;
- /* vq->last_used_idx_res is atomically updated. */
- success = rte_atomic16_cmpset(&vq->last_used_idx_res, res_base_idx,
- res_end_idx);
- } while (unlikely(success == 0));
- res_cur_idx = res_base_idx;
- RTE_LOG_DP(DEBUG, VHOST_DATA, "(%" PRIu64 ") Current Index %d| End Index %d\n",
- dev->device_fh, res_cur_idx, res_end_idx);
-
- /* Prefetch available ring to retrieve indexes. */
- rte_prefetch0(&vq->avail->ring[res_cur_idx & (vq->size - 1)]);
-
- /* Retrieve all of the head indexes first to avoid caching issues. */
- for (head_idx = 0; head_idx < count; head_idx++)
- head[head_idx] = vq->avail->ring[(res_cur_idx + head_idx) & (vq->size - 1)];
-
- /*Prefetch descriptor index. */
- rte_prefetch0(&vq->desc[head[packet_success]]);
-
- while (res_cur_idx != res_end_idx) {
- /* Get descriptor from available ring */
- desc = &vq->desc[head[packet_success]];
- /* Prefetch descriptor address. */
- rte_prefetch0(desc);
-
- buff = pkts[packet_success];
-
- /* Convert from gpa to vva (guest physical addr -> vhost virtual addr) */
- buff_addr = gpa_to_vva(dev, desc->addr);
- /* Prefetch buffer address. */
- rte_prefetch0((void*)(uintptr_t)buff_addr);
-
- {
- /* Copy virtio_hdr to packet and increment buffer address */
- buff_hdr_addr = buff_addr;
- packet_len = rte_pktmbuf_data_len(buff) + vq->vhost_hlen;
-
- /*
- * If the descriptors are chained the header and data are placed in
- * separate buffers.
- */
- if (desc->flags & VRING_DESC_F_NEXT) {
- desc->len = vq->vhost_hlen;
- desc = &vq->desc[desc->next];
- /* Buffer address translation. */
- buff_addr = gpa_to_vva(dev, desc->addr);
- desc->len = rte_pktmbuf_data_len(buff);
- } else {
- buff_addr += vq->vhost_hlen;
- desc->len = packet_len;
- }
- }
-
- /* Update used ring with desc information */
- vq->used->ring[res_cur_idx & (vq->size - 1)].id = head[packet_success];
- vq->used->ring[res_cur_idx & (vq->size - 1)].len = packet_len;
-
- /* Copy mbuf data to buffer */
- userdata = rte_pktmbuf_mtod(buff, void *);
- rte_memcpy((void *)(uintptr_t)buff_addr, userdata, rte_pktmbuf_data_len(buff));
-
- res_cur_idx++;
- packet_success++;
-
- /* mergeable is disabled then a header is required per buffer. */
- rte_memcpy((void *)(uintptr_t)buff_hdr_addr, (const void *)&virtio_hdr, vq->vhost_hlen);
- if (res_cur_idx < res_end_idx) {
- /* Prefetch descriptor index. */
- rte_prefetch0(&vq->desc[head[packet_success]]);
- }
- }
-
- rte_compiler_barrier();
-
- /* Wait until it's our turn to add our buffer to the used ring. */
- while (unlikely(vq->last_used_idx != res_base_idx))
- rte_pause();
-
- *(volatile uint16_t *)&vq->used->idx += count;
-
- vq->last_used_idx = res_end_idx;
-
- return count;
-}
-
-/*
- * Compares a packet destination MAC address to a device MAC address.
- */
-static __rte_always_inline int
-ether_addr_cmp(struct ether_addr *ea, struct ether_addr *eb)
-{
- return ((*(uint64_t *)ea ^ *(uint64_t *)eb) & MAC_ADDR_CMP) == 0;
-}
-
-/*
- * This function registers mac along with a
- * vlan tag to a VMDQ.
- */
-static int
-link_vmdq(struct virtio_net *dev)
-{
- int ret;
- struct virtio_net_data_ll *dev_ll;
-
- dev_ll = ll_root_used;
-
- while (dev_ll != NULL) {
- if ((dev != dev_ll->dev) && ether_addr_cmp(&dev->mac_address, &dev_ll->dev->mac_address)) {
- RTE_LOG(INFO, VHOST_DATA, "(%"PRIu64") WARNING: This device is using an existing MAC address and has not been registered.\n", dev->device_fh);
- return -1;
- }
- dev_ll = dev_ll->next;
- }
-
- /* vlan_tag currently uses the device_id. */
- dev->vlan_tag = vlan_tags[dev->device_fh];
- dev->vmdq_rx_q = dev->device_fh * (num_queues/num_devices);
-
- /* Print out VMDQ registration info. */
- RTE_LOG(INFO, VHOST_DATA, "(%"PRIu64") MAC_ADDRESS %02x:%02x:%02x:%02x:%02x:%02x and VLAN_TAG %d registered\n",
- dev->device_fh,
- dev->mac_address.addr_bytes[0], dev->mac_address.addr_bytes[1],
- dev->mac_address.addr_bytes[2], dev->mac_address.addr_bytes[3],
- dev->mac_address.addr_bytes[4], dev->mac_address.addr_bytes[5],
- dev->vlan_tag);
-
- /* Register the MAC address. */
- ret = rte_eth_dev_mac_addr_add(ports[0], &dev->mac_address, (uint32_t)dev->device_fh);
- if (ret) {
- RTE_LOG(ERR, VHOST_DATA, "(%"PRIu64") Failed to add device MAC address to VMDQ\n",
- dev->device_fh);
- return -1;
- }
-
- /* Enable stripping of the vlan tag as we handle routing. */
- rte_eth_dev_set_vlan_strip_on_queue(ports[0], dev->vmdq_rx_q, 1);
-
- rte_compiler_barrier();
- /* Set device as ready for RX. */
- dev->ready = DEVICE_READY;
-
- return 0;
-}
-
-/*
- * Removes MAC address and vlan tag from VMDQ. Ensures that nothing is adding buffers to the RX
- * queue before disabling RX on the device.
- */
-static inline void
-unlink_vmdq(struct virtio_net *dev)
-{
- unsigned i = 0;
- unsigned rx_count;
- struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
-
- if (dev->ready == DEVICE_READY) {
- /*clear MAC and VLAN settings*/
- rte_eth_dev_mac_addr_remove(ports[0], &dev->mac_address);
- for (i = 0; i < 6; i++)
- dev->mac_address.addr_bytes[i] = 0;
-
- dev->vlan_tag = 0;
-
- /*Clear out the receive buffers*/
- rx_count = rte_eth_rx_burst(ports[0],
- (uint16_t)dev->vmdq_rx_q, pkts_burst, MAX_PKT_BURST);
-
- while (rx_count) {
- for (i = 0; i < rx_count; i++)
- rte_pktmbuf_free(pkts_burst[i]);
-
- rx_count = rte_eth_rx_burst(ports[0],
- (uint16_t)dev->vmdq_rx_q, pkts_burst, MAX_PKT_BURST);
- }
-
- dev->ready = DEVICE_NOT_READY;
- }
-}
-
-/*
- * Check if the packet destination MAC address is for a local device. If so then put
- * the packet on that devices RX queue. If not then return.
- */
-static __rte_always_inline unsigned
-virtio_tx_local(struct virtio_net *dev, struct rte_mbuf *m)
-{
- struct virtio_net_data_ll *dev_ll;
- struct ether_hdr *pkt_hdr;
- uint64_t ret = 0;
-
- pkt_hdr = rte_pktmbuf_mtod(m, struct ether_hdr *);
-
- /*get the used devices list*/
- dev_ll = ll_root_used;
-
- while (dev_ll != NULL) {
- if (likely(dev_ll->dev->ready == DEVICE_READY) && ether_addr_cmp(&(pkt_hdr->d_addr),
- &dev_ll->dev->mac_address)) {
-
- /* Drop the packet if the TX packet is destined for the TX device. */
- if (dev_ll->dev->device_fh == dev->device_fh) {
- RTE_LOG_DP(DEBUG, VHOST_DATA, "(%" PRIu64 ") TX: "
- "Source and destination MAC addresses are the same. "
- "Dropping packet.\n",
- dev_ll->dev->device_fh);
- return 0;
- }
-
-
- RTE_LOG_DP(DEBUG, VHOST_DATA, "(%" PRIu64 ") TX: "
- "MAC address is local\n", dev_ll->dev->device_fh);
-
- if (dev_ll->dev->remove) {
- /*drop the packet if the device is marked for removal*/
- RTE_LOG_DP(DEBUG, VHOST_DATA, "(%" PRIu64 ") "
- "Device is marked for removal\n",
- dev_ll->dev->device_fh);
- } else {
- /*send the packet to the local virtio device*/
- ret = virtio_dev_rx(dev_ll->dev, &m, 1);
- if (enable_stats) {
- rte_atomic64_add(&dev_statistics[dev_ll->dev->device_fh].rx_total, 1);
- rte_atomic64_add(&dev_statistics[dev_ll->dev->device_fh].rx, ret);
- dev_statistics[dev->device_fh].tx_total++;
- dev_statistics[dev->device_fh].tx += ret;
- }
- }
-
- return 0;
- }
- dev_ll = dev_ll->next;
- }
-
- return -1;
-}
-
-/*
- * This function routes the TX packet to the correct interface. This may be a local device
- * or the physical port.
- */
-static __rte_always_inline void
-virtio_tx_route(struct virtio_net* dev, struct rte_mbuf *m, struct rte_mempool *mbuf_pool, uint16_t vlan_tag)
-{
- struct mbuf_table *tx_q;
- struct vlan_ethhdr *vlan_hdr;
- struct rte_mbuf **m_table;
- struct rte_mbuf *mbuf;
- unsigned len, ret;
- const uint16_t lcore_id = rte_lcore_id();
-
- /*check if destination is local VM*/
- if (enable_vm2vm && (virtio_tx_local(dev, m) == 0)) {
- return;
- }
-
- RTE_LOG_DP(DEBUG, VHOST_DATA, "(%" PRIu64 ") TX: "
- "MAC address is external\n", dev->device_fh);
-
- /*Add packet to the port tx queue*/
- tx_q = &lcore_tx_queue[lcore_id];
- len = tx_q->len;
-
- /* Allocate an mbuf and populate the structure. */
- mbuf = rte_pktmbuf_alloc(mbuf_pool);
- if(!mbuf)
- return;
-
- mbuf->data_len = m->data_len + VLAN_HLEN;
- mbuf->pkt_len = mbuf->data_len;
-
- /* Copy ethernet header to mbuf. */
- rte_memcpy(rte_pktmbuf_mtod(mbuf, void*),
- rte_pktmbuf_mtod(m, const void*), ETH_HLEN);
-
-
- /* Setup vlan header. Bytes need to be re-ordered for network with htons()*/
- vlan_hdr = rte_pktmbuf_mtod(mbuf, struct vlan_ethhdr *);
- vlan_hdr->h_vlan_encapsulated_proto = vlan_hdr->h_vlan_proto;
- vlan_hdr->h_vlan_proto = htons(ETH_P_8021Q);
- vlan_hdr->h_vlan_TCI = htons(vlan_tag);
-
- /* Copy the remaining packet contents to the mbuf. */
- rte_memcpy(rte_pktmbuf_mtod_offset(mbuf, void *, VLAN_ETH_HLEN),
- rte_pktmbuf_mtod_offset(m, const void *, ETH_HLEN),
- (m->data_len - ETH_HLEN));
- tx_q->m_table[len] = mbuf;
- len++;
- if (enable_stats) {
- dev_statistics[dev->device_fh].tx_total++;
- dev_statistics[dev->device_fh].tx++;
- }
-
- if (unlikely(len == MAX_PKT_BURST)) {
- m_table = (struct rte_mbuf **)tx_q->m_table;
- ret = rte_eth_tx_burst(ports[0], (uint16_t)tx_q->txq_id, m_table, (uint16_t) len);
- /* Free any buffers not handled by TX and update the port stats. */
- if (unlikely(ret < len)) {
- do {
- rte_pktmbuf_free(m_table[ret]);
- } while (++ret < len);
- }
-
- len = 0;
- }
-
- tx_q->len = len;
- return;
-}
-
-static __rte_always_inline void
-virtio_dev_tx(struct virtio_net* dev, struct rte_mempool *mbuf_pool)
-{
- struct rte_mbuf m;
- struct vhost_virtqueue *vq;
- struct vring_desc *desc;
- uint64_t buff_addr = 0;
- uint32_t head[MAX_PKT_BURST];
- uint32_t used_idx;
- uint32_t i;
- uint16_t free_entries, packet_success = 0;
- uint16_t avail_idx;
-
- vq = dev->virtqueue_tx;
- avail_idx = *((volatile uint16_t *)&vq->avail->idx);
-
- /* If there are no available buffers then return. */
- if (vq->last_used_idx == avail_idx)
- return;
-
- RTE_LOG_DP(DEBUG, VHOST_DATA, "(%" PRIu64 ") virtio_dev_tx()\n",
- dev->device_fh);
-
- /* Prefetch available ring to retrieve head indexes. */
- rte_prefetch0(&vq->avail->ring[vq->last_used_idx & (vq->size - 1)]);
-
- /*get the number of free entries in the ring*/
- free_entries = avail_idx - vq->last_used_idx;
- free_entries = unlikely(free_entries < MAX_PKT_BURST) ? free_entries : MAX_PKT_BURST;
-
- RTE_LOG_DP(DEBUG, VHOST_DATA, "(%" PRIu64 ") Buffers available %d\n",
- dev->device_fh, free_entries);
- /* Retrieve all of the head indexes first to avoid caching issues. */
- for (i = 0; i < free_entries; i++)
- head[i] = vq->avail->ring[(vq->last_used_idx + i) & (vq->size - 1)];
-
- /* Prefetch descriptor index. */
- rte_prefetch0(&vq->desc[head[packet_success]]);
-
- while (packet_success < free_entries) {
- desc = &vq->desc[head[packet_success]];
- /* Prefetch descriptor address. */
- rte_prefetch0(desc);
-
- if (packet_success < (free_entries - 1)) {
- /* Prefetch descriptor index. */
- rte_prefetch0(&vq->desc[head[packet_success+1]]);
- }
-
- /* Update used index buffer information. */
- used_idx = vq->last_used_idx & (vq->size - 1);
- vq->used->ring[used_idx].id = head[packet_success];
- vq->used->ring[used_idx].len = 0;
-
- /* Discard first buffer as it is the virtio header */
- desc = &vq->desc[desc->next];
-
- /* Buffer address translation. */
- buff_addr = gpa_to_vva(dev, desc->addr);
- /* Prefetch buffer address. */
- rte_prefetch0((void*)(uintptr_t)buff_addr);
-
- /* Setup dummy mbuf. This is copied to a real mbuf if transmitted out the physical port. */
- m.data_len = desc->len;
- m.data_off = 0;
- m.nb_segs = 1;
-
- virtio_tx_route(dev, &m, mbuf_pool, 0);
-
- vq->last_used_idx++;
- packet_success++;
- }
-
- rte_compiler_barrier();
- vq->used->idx += packet_success;
- /* Kick guest if required. */
-}
-
-/*
- * This function is called by each data core. It handles all RX/TX registered with the
- * core. For TX the specific lcore linked list is used. For RX, MAC addresses are compared
- * with all devices in the main linked list.
- */
-static int
-switch_worker(__attribute__((unused)) void *arg)
-{
- struct rte_mempool *mbuf_pool = arg;
- struct virtio_net *dev = NULL;
- struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
- struct virtio_net_data_ll *dev_ll;
- struct mbuf_table *tx_q;
- volatile struct lcore_ll_info *lcore_ll;
- const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) / US_PER_S * BURST_TX_DRAIN_US;
- uint64_t prev_tsc, diff_tsc, cur_tsc, ret_count = 0;
- unsigned ret, i;
- const uint16_t lcore_id = rte_lcore_id();
- const uint16_t num_cores = (uint16_t)rte_lcore_count();
- uint16_t rx_count = 0;
-
- RTE_LOG(INFO, VHOST_DATA, "Procesing on Core %u started \n", lcore_id);
- lcore_ll = lcore_info[lcore_id].lcore_ll;
- prev_tsc = 0;
-
- tx_q = &lcore_tx_queue[lcore_id];
- for (i = 0; i < num_cores; i ++) {
- if (lcore_ids[i] == lcore_id) {
- tx_q->txq_id = i;
- break;
- }
- }
-
- while(1) {
- cur_tsc = rte_rdtsc();
- /*
- * TX burst queue drain
- */
- diff_tsc = cur_tsc - prev_tsc;
- if (unlikely(diff_tsc > drain_tsc)) {
-
- if (tx_q->len) {
- RTE_LOG_DP(DEBUG, VHOST_DATA,
- "TX queue drained after timeout with burst size %u\n",
- tx_q->len);
-
- /*Tx any packets in the queue*/
- ret = rte_eth_tx_burst(ports[0], (uint16_t)tx_q->txq_id,
- (struct rte_mbuf **)tx_q->m_table,
- (uint16_t)tx_q->len);
- if (unlikely(ret < tx_q->len)) {
- do {
- rte_pktmbuf_free(tx_q->m_table[ret]);
- } while (++ret < tx_q->len);
- }
-
- tx_q->len = 0;
- }
-
- prev_tsc = cur_tsc;
-
- }
-
- /*
- * Inform the configuration core that we have exited the linked list and that no devices are
- * in use if requested.
- */
- if (lcore_ll->dev_removal_flag == REQUEST_DEV_REMOVAL)
- lcore_ll->dev_removal_flag = ACK_DEV_REMOVAL;
-
- /*
- * Process devices
- */
- dev_ll = lcore_ll->ll_root_used;
-
- while (dev_ll != NULL) {
- /*get virtio device ID*/
- dev = dev_ll->dev;
-
- if (unlikely(dev->remove)) {
- dev_ll = dev_ll->next;
- unlink_vmdq(dev);
- dev->ready = DEVICE_SAFE_REMOVE;
- continue;
- }
- if (likely(dev->ready == DEVICE_READY)) {
- /*Handle guest RX*/
- rx_count = rte_eth_rx_burst(ports[0],
- (uint16_t)dev->vmdq_rx_q, pkts_burst, MAX_PKT_BURST);
-
- if (rx_count) {
- ret_count = virtio_dev_rx(dev, pkts_burst, rx_count);
- if (enable_stats) {
- rte_atomic64_add(&dev_statistics[dev_ll->dev->device_fh].rx_total, rx_count);
- rte_atomic64_add(&dev_statistics[dev_ll->dev->device_fh].rx, ret_count);
- }
- while (likely(rx_count)) {
- rx_count--;
- rte_pktmbuf_free_seg(pkts_burst[rx_count]);
- }
-
- }
- }
-
- if (likely(!dev->remove))
- /*Handle guest TX*/
- virtio_dev_tx(dev, mbuf_pool);
-
- /*move to the next device in the list*/
- dev_ll = dev_ll->next;
- }
- }
-
- return 0;
-}
-
-/*
- * Add an entry to a used linked list. A free entry must first be found in the free linked list
- * using get_data_ll_free_entry();
- */
-static void
-add_data_ll_entry(struct virtio_net_data_ll **ll_root_addr, struct virtio_net_data_ll *ll_dev)
-{
- struct virtio_net_data_ll *ll = *ll_root_addr;
-
- /* Set next as NULL and use a compiler barrier to avoid reordering. */
- ll_dev->next = NULL;
- rte_compiler_barrier();
-
- /* If ll == NULL then this is the first device. */
- if (ll) {
- /* Increment to the tail of the linked list. */
- while ((ll->next != NULL) )
- ll = ll->next;
-
- ll->next = ll_dev;
- } else {
- *ll_root_addr = ll_dev;
- }
-}
-
-/*
- * Remove an entry from a used linked list. The entry must then be added to the free linked list
- * using put_data_ll_free_entry().
- */
-static void
-rm_data_ll_entry(struct virtio_net_data_ll **ll_root_addr, struct virtio_net_data_ll *ll_dev, struct virtio_net_data_ll *ll_dev_last)
-{
- struct virtio_net_data_ll *ll = *ll_root_addr;
-
- if (ll_dev == ll)
- *ll_root_addr = ll_dev->next;
- else
- ll_dev_last->next = ll_dev->next;
-}
-
-/*
- * Find and return an entry from the free linked list.
- */
-static struct virtio_net_data_ll *
-get_data_ll_free_entry(struct virtio_net_data_ll **ll_root_addr)
-{
- struct virtio_net_data_ll *ll_free = *ll_root_addr;
- struct virtio_net_data_ll *ll_dev;
-
- if (ll_free == NULL)
- return NULL;
-
- ll_dev = ll_free;
- *ll_root_addr = ll_free->next;
-
- return ll_dev;
-}
-
-/*
- * Place an entry back on to the free linked list.
- */
-static void
-put_data_ll_free_entry(struct virtio_net_data_ll **ll_root_addr, struct virtio_net_data_ll *ll_dev)
-{
- struct virtio_net_data_ll *ll_free = *ll_root_addr;
-
- ll_dev->next = ll_free;
- *ll_root_addr = ll_dev;
-}
-
-/*
- * Creates a linked list of a given size.
- */
-static struct virtio_net_data_ll *
-alloc_data_ll(uint32_t size)
-{
- struct virtio_net_data_ll *ll_new;
- uint32_t i;
-
- /* Malloc and then chain the linked list. */
- ll_new = malloc(size * sizeof(struct virtio_net_data_ll));
- if (ll_new == NULL) {
- RTE_LOG(ERR, VHOST_CONFIG, "Failed to allocate memory for ll_new.\n");
- return NULL;
- }
-
- for (i = 0; i < size - 1; i++) {
- ll_new[i].dev = NULL;
- ll_new[i].next = &ll_new[i+1];
- }
- ll_new[i].next = NULL;
-
- return ll_new;
-}
-
-/*
- * Create the main linked list along with each individual cores linked list. A used and a free list
- * are created to manage entries.
- */
-static int
-init_data_ll (void)
-{
- int lcore;
-
- RTE_LCORE_FOREACH_SLAVE(lcore) {
- lcore_info[lcore].lcore_ll = malloc(sizeof(struct lcore_ll_info));
- if (lcore_info[lcore].lcore_ll == NULL) {
- RTE_LOG(ERR, VHOST_CONFIG, "Failed to allocate memory for lcore_ll.\n");
- return -1;
- }
-
- lcore_info[lcore].lcore_ll->device_num = 0;
- lcore_info[lcore].lcore_ll->dev_removal_flag = ACK_DEV_REMOVAL;
- lcore_info[lcore].lcore_ll->ll_root_used = NULL;
- if (num_devices % num_switching_cores)
- lcore_info[lcore].lcore_ll->ll_root_free = alloc_data_ll((num_devices / num_switching_cores) + 1);
- else
- lcore_info[lcore].lcore_ll->ll_root_free = alloc_data_ll(num_devices / num_switching_cores);
- }
-
- /* Allocate devices up to a maximum of MAX_DEVICES. */
- ll_root_free = alloc_data_ll(MIN((num_devices), MAX_DEVICES));
-
- return 0;
-}
-/*
- * Remove a device from the specific data core linked list and from the main linked list. The
- * rx/tx thread must be set the flag to indicate that it is safe to remove the device.
- * used.
- */
-static void
-destroy_device (volatile struct virtio_net *dev)
-{
- struct virtio_net_data_ll *ll_lcore_dev_cur;
- struct virtio_net_data_ll *ll_main_dev_cur;
- struct virtio_net_data_ll *ll_lcore_dev_last = NULL;
- struct virtio_net_data_ll *ll_main_dev_last = NULL;
- int lcore;
-
- dev->flags &= ~VIRTIO_DEV_RUNNING;
-
- /*set the remove flag. */
- dev->remove = 1;
-
- while(dev->ready != DEVICE_SAFE_REMOVE) {
- rte_pause();
- }
-
- /* Search for entry to be removed from lcore ll */
- ll_lcore_dev_cur = lcore_info[dev->coreid].lcore_ll->ll_root_used;
- while (ll_lcore_dev_cur != NULL) {
- if (ll_lcore_dev_cur->dev == dev) {
- break;
- } else {
- ll_lcore_dev_last = ll_lcore_dev_cur;
- ll_lcore_dev_cur = ll_lcore_dev_cur->next;
- }
- }
-
- /* Search for entry to be removed from main ll */
- ll_main_dev_cur = ll_root_used;
- ll_main_dev_last = NULL;
- while (ll_main_dev_cur != NULL) {
- if (ll_main_dev_cur->dev == dev) {
- break;
- } else {
- ll_main_dev_last = ll_main_dev_cur;
- ll_main_dev_cur = ll_main_dev_cur->next;
- }
- }
-
- if (ll_lcore_dev_cur == NULL || ll_main_dev_cur == NULL) {
- RTE_LOG(ERR, XENHOST, "%s: could find device in per_cpu list or main_list\n", __func__);
- return;
- }
-
- /* Remove entries from the lcore and main ll. */
- rm_data_ll_entry(&lcore_info[ll_lcore_dev_cur->dev->coreid].lcore_ll->ll_root_used, ll_lcore_dev_cur, ll_lcore_dev_last);
- rm_data_ll_entry(&ll_root_used, ll_main_dev_cur, ll_main_dev_last);
-
- /* Set the dev_removal_flag on each lcore. */
- RTE_LCORE_FOREACH_SLAVE(lcore) {
- lcore_info[lcore].lcore_ll->dev_removal_flag = REQUEST_DEV_REMOVAL;
- }
-
- /*
- * Once each core has set the dev_removal_flag to ACK_DEV_REMOVAL we can be sure that
- * they can no longer access the device removed from the linked lists and that the devices
- * are no longer in use.
- */
- RTE_LCORE_FOREACH_SLAVE(lcore) {
- while (lcore_info[lcore].lcore_ll->dev_removal_flag != ACK_DEV_REMOVAL) {
- rte_pause();
- }
- }
-
- /* Add the entries back to the lcore and main free ll.*/
- put_data_ll_free_entry(&lcore_info[ll_lcore_dev_cur->dev->coreid].lcore_ll->ll_root_free, ll_lcore_dev_cur);
- put_data_ll_free_entry(&ll_root_free, ll_main_dev_cur);
-
- /* Decrement number of device on the lcore. */
- lcore_info[ll_lcore_dev_cur->dev->coreid].lcore_ll->device_num--;
-
- RTE_LOG(INFO, VHOST_DATA, " #####(%"PRIu64") Device has been removed from data core\n", dev->device_fh);
-}
-
-/*
- * A new device is added to a data core. First the device is added to the main linked list
- * and the allocated to a specific data core.
- */
-static int
-new_device (struct virtio_net *dev)
-{
- struct virtio_net_data_ll *ll_dev;
- int lcore, core_add = 0;
- uint32_t device_num_min = num_devices;
-
- /* Add device to main ll */
- ll_dev = get_data_ll_free_entry(&ll_root_free);
- if (ll_dev == NULL) {
- RTE_LOG(INFO, VHOST_DATA, "(%"PRIu64") No free entry found in linked list. Device limit "
- "of %d devices per core has been reached\n",
- dev->device_fh, num_devices);
- return -1;
- }
- ll_dev->dev = dev;
- add_data_ll_entry(&ll_root_used, ll_dev);
-
- /*reset ready flag*/
- dev->ready = DEVICE_NOT_READY;
- dev->remove = 0;
-
- /* Find a suitable lcore to add the device. */
- RTE_LCORE_FOREACH_SLAVE(lcore) {
- if (lcore_info[lcore].lcore_ll->device_num < device_num_min) {
- device_num_min = lcore_info[lcore].lcore_ll->device_num;
- core_add = lcore;
- }
- }
- /* Add device to lcore ll */
- ll_dev->dev->coreid = core_add;
- ll_dev = get_data_ll_free_entry(&lcore_info[ll_dev->dev->coreid].lcore_ll->ll_root_free);
- if (ll_dev == NULL) {
- RTE_LOG(INFO, VHOST_DATA, "(%"PRIu64") Failed to add device to data core\n", dev->device_fh);
- destroy_device(dev);
- return -1;
- }
- ll_dev->dev = dev;
- add_data_ll_entry(&lcore_info[ll_dev->dev->coreid].lcore_ll->ll_root_used, ll_dev);
-
- /* Initialize device stats */
- memset(&dev_statistics[dev->device_fh], 0, sizeof(struct device_statistics));
-
- lcore_info[ll_dev->dev->coreid].lcore_ll->device_num++;
- dev->flags |= VIRTIO_DEV_RUNNING;
-
- RTE_LOG(INFO, VHOST_DATA, "(%"PRIu64") Device has been added to data core %d\n", dev->device_fh, dev->coreid);
-
- link_vmdq(dev);
-
- return 0;
-}
-
-/*
- * These callback allow devices to be added to the data core when configuration
- * has been fully complete.
- */
-static const struct virtio_net_device_ops virtio_net_device_ops =
-{
- .new_device = new_device,
- .destroy_device = destroy_device,
-};
-
-/*
- * This is a thread will wake up after a period to print stats if the user has
- * enabled them.
- */
-static void
-print_stats(void)
-{
- struct virtio_net_data_ll *dev_ll;
- uint64_t tx_dropped, rx_dropped;
- uint64_t tx, tx_total, rx, rx_total;
- uint32_t device_fh;
- const char clr[] = { 27, '[', '2', 'J', '\0' };
- const char top_left[] = { 27, '[', '1', ';', '1', 'H','\0' };
-
- while(1) {
- sleep(enable_stats);
-
- /* Clear screen and move to top left */
- printf("%s%s", clr, top_left);
-
- printf("\nDevice statistics ====================================");
-
- dev_ll = ll_root_used;
- while (dev_ll != NULL) {
- device_fh = (uint32_t)dev_ll->dev->device_fh;
- tx_total = dev_statistics[device_fh].tx_total;
- tx = dev_statistics[device_fh].tx;
- tx_dropped = tx_total - tx;
- rx_total = rte_atomic64_read(&dev_statistics[device_fh].rx_total);
- rx = rte_atomic64_read(&dev_statistics[device_fh].rx);
- rx_dropped = rx_total - rx;
-
- printf("\nStatistics for device %"PRIu32" ------------------------------"
- "\nTX total: %"PRIu64""
- "\nTX dropped: %"PRIu64""
- "\nTX successful: %"PRIu64""
- "\nRX total: %"PRIu64""
- "\nRX dropped: %"PRIu64""
- "\nRX successful: %"PRIu64"",
- device_fh,
- tx_total,
- tx_dropped,
- tx,
- rx_total,
- rx_dropped,
- rx);
-
- dev_ll = dev_ll->next;
- }
- printf("\n======================================================\n");
- }
-}
-
-
-int init_virtio_net(struct virtio_net_device_ops const * const ops);
-
-/*
- * Main function, does initialisation and calls the per-lcore functions.
- */
-int
-main(int argc, char *argv[])
-{
- struct rte_mempool *mbuf_pool;
- unsigned lcore_id, core_id = 0;
- unsigned nb_ports, valid_num_ports;
- int ret;
- uint8_t portid;
- static pthread_t tid;
- char thread_name[RTE_MAX_THREAD_NAME_LEN];
-
- /* init EAL */
- ret = rte_eal_init(argc, argv);
- if (ret < 0)
- rte_exit(EXIT_FAILURE, "Error with EAL initialization\n");
- argc -= ret;
- argv += ret;
-
- /* parse app arguments */
- ret = us_vhost_parse_args(argc, argv);
- if (ret < 0)
- rte_exit(EXIT_FAILURE, "Invalid argument\n");
-
- for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id ++)
- if (rte_lcore_is_enabled(lcore_id))
- lcore_ids[core_id ++] = lcore_id;
-
- if (rte_lcore_count() > RTE_MAX_LCORE)
- rte_exit(EXIT_FAILURE,"Not enough cores\n");
-
- /*set the number of swithcing cores available*/
- num_switching_cores = rte_lcore_count()-1;
-
- /* Get the number of physical ports. */
- nb_ports = rte_eth_dev_count();
-
- /*
- * Update the global var NUM_PORTS and global array PORTS
- * and get value of var VALID_NUM_PORTS according to system ports number
- */
- valid_num_ports = check_ports_num(nb_ports);
-
- if ((valid_num_ports == 0) || (valid_num_ports > MAX_SUP_PORTS)) {
- RTE_LOG(INFO, VHOST_PORT, "Current enabled port number is %u,"
- "but only %u port can be enabled\n",num_ports, MAX_SUP_PORTS);
- return -1;
- }
-
- /* Create the mbuf pool. */
- mbuf_pool = rte_pktmbuf_pool_create("MBUF_POOL",
- NUM_MBUFS_PER_PORT * valid_num_ports, MBUF_CACHE_SIZE, 0,
- RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id());
- if (mbuf_pool == NULL)
- rte_exit(EXIT_FAILURE, "Cannot create mbuf pool\n");
-
- /* initialize all ports */
- for (portid = 0; portid < nb_ports; portid++) {
- /* skip ports that are not enabled */
- if ((enabled_port_mask & (1 << portid)) == 0) {
- RTE_LOG(INFO, VHOST_PORT, "Skipping disabled port %d\n", portid);
- continue;
- }
- if (port_init(portid, mbuf_pool) != 0)
- rte_exit(EXIT_FAILURE, "Cannot initialize network ports\n");
- }
-
- /* Initialise all linked lists. */
- if (init_data_ll() == -1)
- rte_exit(EXIT_FAILURE, "Failed to initialize linked list\n");
-
- /* Initialize device stats */
- memset(&dev_statistics, 0, sizeof(dev_statistics));
-
- /* Enable stats if the user option is set. */
- if (enable_stats) {
- ret = pthread_create(&tid, NULL, (void *)print_stats, NULL);
- if (ret != 0)
- rte_exit(EXIT_FAILURE,
- "Cannot create print-stats thread\n");
-
- /* Set thread_name for aid in debugging. */
- snprintf(thread_name, RTE_MAX_THREAD_NAME_LEN, "print-xen-stats");
- ret = rte_thread_setname(tid, thread_name);
- if (ret != 0)
- RTE_LOG(DEBUG, VHOST_CONFIG,
- "Cannot set print-stats name\n");
- }
-
- /* Launch all data cores. */
- RTE_LCORE_FOREACH_SLAVE(lcore_id) {
- rte_eal_remote_launch(switch_worker, mbuf_pool, lcore_id);
- }
-
- init_virtio_xen(&virtio_net_device_ops);
-
- virtio_monitor_loop();
- return 0;
-}
diff --git a/examples/vhost_xen/main.h b/examples/vhost_xen/main.h
deleted file mode 100644
index 5ff48fd..0000000
--- a/examples/vhost_xen/main.h
+++ /dev/null
@@ -1,66 +0,0 @@
-/*-
- * BSD LICENSE
- *
- * Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- * * Neither the name of Intel Corporation nor the names of its
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef _MAIN_H_
-#define _MAIN_H_
-
-/* Macros for printing using RTE_LOG */
-#define RTE_LOGTYPE_VHOST_CONFIG RTE_LOGTYPE_USER1
-#define RTE_LOGTYPE_VHOST_DATA RTE_LOGTYPE_USER2
-#define RTE_LOGTYPE_VHOST_PORT RTE_LOGTYPE_USER3
-
-/*
- * Device linked list structure for data path.
- */
-struct virtio_net_data_ll
-{
- struct virtio_net *dev; /* Pointer to device created by configuration core. */
- struct virtio_net_data_ll *next; /* Pointer to next device in linked list. */
-};
-
-/*
- * Structure containing data core specific information.
- */
-struct lcore_ll_info
-{
- struct virtio_net_data_ll *ll_root_free; /* Pointer to head in free linked list. */
- struct virtio_net_data_ll *ll_root_used; /* Pointer to head of used linked list. */
- uint32_t device_num; /* Number of devices on lcore. */
- volatile uint8_t dev_removal_flag; /* Flag to synchronize device removal. */
-};
-
-struct lcore_info
-{
- struct lcore_ll_info *lcore_ll; /* Pointer to data core specific lcore_ll_info struct */
-};
-#endif /* _MAIN_H_ */
diff --git a/examples/vhost_xen/vhost_monitor.c b/examples/vhost_xen/vhost_monitor.c
deleted file mode 100644
index fb9606b..0000000
--- a/examples/vhost_xen/vhost_monitor.c
+++ /dev/null
@@ -1,595 +0,0 @@
-/*-
- * BSD LICENSE
- *
- * Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- * * Neither the name of Intel Corporation nor the names of its
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include <stdlib.h>
-#include <stdio.h>
-#include <dirent.h>
-#include <unistd.h>
-#include <sys/eventfd.h>
-#include <sys/ioctl.h>
-#include <sys/mman.h>
-#include <xen/xen-compat.h>
-#if __XEN_LATEST_INTERFACE_VERSION__ < 0x00040200
-#include <xs.h>
-#else
-#include <xenstore.h>
-#endif
-#include <linux/virtio_ring.h>
-#include <linux/virtio_pci.h>
-#include <linux/virtio_net.h>
-
-#include <rte_ethdev.h>
-#include <rte_log.h>
-#include <rte_malloc.h>
-#include <rte_string_fns.h>
-
-#include "virtio-net.h"
-#include "xen_vhost.h"
-
-struct virtio_watch {
- struct xs_handle *xs;
- int watch_fd;
-};
-
-
-/* device ops to add/remove device to/from data core. */
-static struct virtio_net_device_ops const *notify_ops;
-
-/* root address of the linked list in the configuration core. */
-static struct virtio_net_config_ll *ll_root = NULL;
-
-/* root address of VM. */
-static struct xen_guestlist guest_root;
-
-static struct virtio_watch watch;
-
-static void
-vq_vring_init(struct vhost_virtqueue *vq, unsigned int num, uint8_t *p,
- unsigned long align)
-{
- vq->size = num;
- vq->desc = (struct vring_desc *) p;
- vq->avail = (struct vring_avail *) (p +
- num * sizeof(struct vring_desc));
- vq->used = (void *)
- RTE_ALIGN_CEIL( (uintptr_t)(&vq->avail->ring[num]), align);
-
-}
-
-static int
-init_watch(void)
-{
- struct xs_handle *xs;
- int ret;
- int fd;
-
- /* get a connection to the daemon */
- xs = xs_daemon_open();
- if (xs == NULL) {
- RTE_LOG(ERR, XENHOST, "xs_daemon_open failed\n");
- return -1;
- }
-
- ret = xs_watch(xs, "/local/domain", "mytoken");
- if (ret == 0) {
- RTE_LOG(ERR, XENHOST, "%s: xs_watch failed\n", __func__);
- xs_daemon_close(xs);
- return -1;
- }
-
- /* We are notified of read availability on the watch via the file descriptor. */
- fd = xs_fileno(xs);
- watch.xs = xs;
- watch.watch_fd = fd;
-
- TAILQ_INIT(&guest_root);
- return 0;
-}
-
-static struct xen_guest *
-get_xen_guest(int dom_id)
-{
- struct xen_guest *guest = NULL;
-
- TAILQ_FOREACH(guest, &guest_root, next) {
- if(guest->dom_id == dom_id)
- return guest;
- }
-
- return NULL;
-}
-
-
-static struct xen_guest *
-add_xen_guest(int32_t dom_id)
-{
- struct xen_guest *guest = NULL;
-
- if ((guest = get_xen_guest(dom_id)) != NULL)
- return guest;
-
- guest = calloc(1, sizeof(struct xen_guest));
- if (guest) {
- RTE_LOG(ERR, XENHOST, " %s: return newly created guest with %d rings\n", __func__, guest->vring_num);
- TAILQ_INSERT_TAIL(&guest_root, guest, next);
- guest->dom_id = dom_id;
- }
-
- return guest;
-}
-
-static void
-cleanup_device(struct virtio_net_config_ll *ll_dev)
-{
- if (ll_dev == NULL)
- return;
- if (ll_dev->dev.virtqueue_rx) {
- rte_free(ll_dev->dev.virtqueue_rx);
- ll_dev->dev.virtqueue_rx = NULL;
- }
- if (ll_dev->dev.virtqueue_tx) {
- rte_free(ll_dev->dev.virtqueue_tx);
- ll_dev->dev.virtqueue_tx = NULL;
- }
- free(ll_dev);
-}
-
-/*
- * Add entry containing a device to the device configuration linked list.
- */
-static void
-add_config_ll_entry(struct virtio_net_config_ll *new_ll_dev)
-{
- struct virtio_net_config_ll *ll_dev = ll_root;
-
- /* If ll_dev == NULL then this is the first device so go to else */
- if (ll_dev) {
- /* If the 1st device_id != 0 then we insert our device here. */
- if (ll_dev->dev.device_fh != 0) {
- new_ll_dev->dev.device_fh = 0;
- new_ll_dev->next = ll_dev;
- ll_root = new_ll_dev;
- } else {
- /* increment through the ll until we find un unused device_id,
- * insert the device at that entry
- */
- while ((ll_dev->next != NULL) && (ll_dev->dev.device_fh == (ll_dev->next->dev.device_fh - 1)))
- ll_dev = ll_dev->next;
-
- new_ll_dev->dev.device_fh = ll_dev->dev.device_fh + 1;
- new_ll_dev->next = ll_dev->next;
- ll_dev->next = new_ll_dev;
- }
- } else {
- ll_root = new_ll_dev;
- ll_root->dev.device_fh = 0;
- }
-}
-
-
-/*
- * Remove an entry from the device configuration linked list.
- */
-static struct virtio_net_config_ll *
-rm_config_ll_entry(struct virtio_net_config_ll *ll_dev, struct virtio_net_config_ll *ll_dev_last)
-{
- /* First remove the device and then clean it up. */
- if (ll_dev == ll_root) {
- ll_root = ll_dev->next;
- cleanup_device(ll_dev);
- return ll_root;
- } else {
- ll_dev_last->next = ll_dev->next;
- cleanup_device(ll_dev);
- return ll_dev_last->next;
- }
-}
-
-/*
- * Retrieves an entry from the devices configuration linked list.
- */
-static struct virtio_net_config_ll *
-get_config_ll_entry(unsigned int virtio_idx, unsigned int dom_id)
-{
- struct virtio_net_config_ll *ll_dev = ll_root;
-
- /* Loop through linked list until the dom_id is found. */
- while (ll_dev != NULL) {
- if (ll_dev->dev.dom_id == dom_id && ll_dev->dev.virtio_idx == virtio_idx)
- return ll_dev;
- ll_dev = ll_dev->next;
- }
-
- return NULL;
-}
-
-/*
- * Initialise all variables in device structure.
- */
-static void
-init_dev(struct virtio_net *dev)
-{
- RTE_SET_USED(dev);
-}
-
-
-static struct
-virtio_net_config_ll *new_device(unsigned int virtio_idx, struct xen_guest *guest)
-{
- struct virtio_net_config_ll *new_ll_dev;
- struct vhost_virtqueue *virtqueue_rx, *virtqueue_tx;
- size_t size, vq_ring_size, vq_size = VQ_DESC_NUM;
- void *vq_ring_virt_mem;
- uint64_t gpa;
- uint32_t i;
-
- /* Setup device and virtqueues. */
- new_ll_dev = calloc(1, sizeof(struct virtio_net_config_ll));
- virtqueue_rx = rte_zmalloc(NULL, sizeof(struct vhost_virtqueue), RTE_CACHE_LINE_SIZE);
- virtqueue_tx = rte_zmalloc(NULL, sizeof(struct vhost_virtqueue), RTE_CACHE_LINE_SIZE);
- if (new_ll_dev == NULL || virtqueue_rx == NULL || virtqueue_tx == NULL)
- goto err;
-
- new_ll_dev->dev.virtqueue_rx = virtqueue_rx;
- new_ll_dev->dev.virtqueue_tx = virtqueue_tx;
- new_ll_dev->dev.dom_id = guest->dom_id;
- new_ll_dev->dev.virtio_idx = virtio_idx;
- /* Initialise device and virtqueues. */
- init_dev(&new_ll_dev->dev);
-
- size = vring_size(vq_size, VIRTIO_PCI_VRING_ALIGN);
- vq_ring_size = RTE_ALIGN_CEIL(size, VIRTIO_PCI_VRING_ALIGN);
- (void)vq_ring_size;
-
- vq_ring_virt_mem = guest->vring[virtio_idx].rxvring_addr;
- vq_vring_init(virtqueue_rx, vq_size, vq_ring_virt_mem, VIRTIO_PCI_VRING_ALIGN);
- virtqueue_rx->size = vq_size;
- virtqueue_rx->vhost_hlen = sizeof(struct virtio_net_hdr);
-
- vq_ring_virt_mem = guest->vring[virtio_idx].txvring_addr;
- vq_vring_init(virtqueue_tx, vq_size, vq_ring_virt_mem, VIRTIO_PCI_VRING_ALIGN);
- virtqueue_tx->size = vq_size;
- memcpy(&new_ll_dev->dev.mac_address, &guest->vring[virtio_idx].addr, sizeof(struct ether_addr));
-
- /* virtio_memory has to be one per domid */
- new_ll_dev->dev.mem = malloc(sizeof(struct virtio_memory) + sizeof(struct virtio_memory_regions) * MAX_XENVIRT_MEMPOOL);
- new_ll_dev->dev.mem->nregions = guest->pool_num;
- for (i = 0; i < guest->pool_num; i++) {
- gpa = new_ll_dev->dev.mem->regions[i].guest_phys_address =
- (uint64_t)((uintptr_t)guest->mempool[i].gva);
- new_ll_dev->dev.mem->regions[i].guest_phys_address_end =
- gpa + guest->mempool[i].mempfn_num * getpagesize();
- new_ll_dev->dev.mem->regions[i].address_offset =
- (uint64_t)((uintptr_t)guest->mempool[i].hva -
- (uintptr_t)gpa);
- }
-
- new_ll_dev->next = NULL;
-
- /* Add entry to device configuration linked list. */
- add_config_ll_entry(new_ll_dev);
- return new_ll_dev;
-err:
- free(new_ll_dev);
- rte_free(virtqueue_rx);
- rte_free(virtqueue_tx);
-
- return NULL;
-}
-
-static void
-destroy_guest(struct xen_guest *guest)
-{
- uint32_t i;
-
- for (i = 0; i < guest->vring_num; i++)
- cleanup_vring(&guest->vring[i]);
- /* clean mempool */
- for (i = 0; i < guest->pool_num; i++)
- cleanup_mempool(&guest->mempool[i]);
- free(guest);
-
- return;
-}
-
-/*
- * This function will cleanup the device and remove it from device configuration linked list.
- */
-static void
-destroy_device(unsigned int virtio_idx, unsigned int dom_id)
-{
- struct virtio_net_config_ll *ll_dev_cur_ctx, *ll_dev_last = NULL;
- struct virtio_net_config_ll *ll_dev_cur = ll_root;
-
- /* clean virtio device */
- struct xen_guest *guest = NULL;
- guest = get_xen_guest(dom_id);
- if (guest == NULL)
- return;
-
- /* Find the linked list entry for the device to be removed. */
- ll_dev_cur_ctx = get_config_ll_entry(virtio_idx, dom_id);
- while (ll_dev_cur != NULL) {
- /* If the device is found or a device that doesn't exist is found then it is removed. */
- if (ll_dev_cur == ll_dev_cur_ctx) {
- if ((ll_dev_cur->dev.flags & VIRTIO_DEV_RUNNING))
- notify_ops->destroy_device(&(ll_dev_cur->dev));
- ll_dev_cur = rm_config_ll_entry(ll_dev_cur, ll_dev_last);
- } else {
- ll_dev_last = ll_dev_cur;
- ll_dev_cur = ll_dev_cur->next;
- }
- }
- RTE_LOG(INFO, XENHOST, " %s guest:%p vring:%p rxvring:%p txvring:%p flag:%p\n",
- __func__, guest, &guest->vring[virtio_idx], guest->vring[virtio_idx].rxvring_addr, guest->vring[virtio_idx].txvring_addr, guest->vring[virtio_idx].flag);
- cleanup_vring(&guest->vring[virtio_idx]);
- guest->vring[virtio_idx].removed = 1;
- guest->vring_num -= 1;
-}
-
-
-
-
-static void
-watch_unmap_event(void)
-{
- int i;
- struct xen_guest *guest = NULL;
- bool remove_request;
-
- TAILQ_FOREACH(guest, &guest_root, next) {
- for (i = 0; i < MAX_VIRTIO; i++) {
- if (guest->vring[i].dom_id && guest->vring[i].removed == 0 && *guest->vring[i].flag == 0) {
- RTE_LOG(INFO, XENHOST, "\n\n");
- RTE_LOG(INFO, XENHOST, " #####%s: (%d, %d) to be removed\n",
- __func__,
- guest->vring[i].dom_id,
- i);
- destroy_device(i, guest->dom_id);
- RTE_LOG(INFO, XENHOST, " %s: DOM %u, vring num: %d\n",
- __func__,
- guest->dom_id,
- guest->vring_num);
- }
- }
- }
-
-_find_next_remove:
- guest = NULL;
- remove_request = false;
- TAILQ_FOREACH(guest, &guest_root, next) {
- if (guest->vring_num == 0) {
- remove_request = true;
- break;
- }
- }
- if (remove_request == true) {
- TAILQ_REMOVE(&guest_root, guest, next);
- RTE_LOG(INFO, XENHOST, " #####%s: destroy guest (%d)\n", __func__, guest->dom_id);
- destroy_guest(guest);
- goto _find_next_remove;
- }
- return;
-}
-
-/*
- * OK, if the guest starts first, it is ok.
- * if host starts first, it is ok.
- * if guest starts, and has run for sometime, and host stops and restarts,
- * then last_used_idx 0? how to solve this. */
-
-static void virtio_init(void)
-{
- uint32_t len, e_num;
- uint32_t i,j;
- char **dom;
- char *status;
- int dom_id;
- char path[PATH_MAX];
- char node[PATH_MAX];
- xs_transaction_t th;
- struct xen_guest *guest;
- struct virtio_net_config_ll *net_config;
- char *end;
- int val;
-
- /* init env for watch the node */
- if (init_watch() < 0)
- return;
-
- dom = xs_directory(watch.xs, XBT_NULL, "/local/domain", &e_num);
-
- for (i = 0; i < e_num; i++) {
- errno = 0;
- dom_id = strtol(dom[i], &end, 0);
- if (errno != 0 || end == NULL || dom_id == 0)
- continue;
-
- for (j = 0; j < RTE_MAX_ETHPORTS; j++) {
- snprintf(node, PATH_MAX, "%s%d", VIRTIO_START, j);
- snprintf(path, PATH_MAX, XEN_VM_NODE_FMT,
- dom_id, node);
-
- th = xs_transaction_start(watch.xs);
- status = xs_read(watch.xs, th, path, &len);
- xs_transaction_end(watch.xs, th, false);
-
- if (status == NULL)
- break;
-
- /* if there's any valid virtio device */
- errno = 0;
- val = strtol(status, &end, 0);
- if (errno != 0 || end == NULL || dom_id == 0)
- val = 0;
- if (val == 1) {
- guest = add_xen_guest(dom_id);
- if (guest == NULL)
- continue;
- RTE_LOG(INFO, XENHOST, " there's a new virtio existed, new a virtio device\n\n");
-
- RTE_LOG(INFO, XENHOST, " parse_vringnode dom_id %d virtioidx %d\n",dom_id,j);
- if (parse_vringnode(guest, j)) {
- RTE_LOG(ERR, XENHOST, " there is invalid information in xenstore\n");
- TAILQ_REMOVE(&guest_root, guest, next);
- destroy_guest(guest);
-
- continue;
- }
-
- /*if pool_num > 0, then mempool has already been parsed*/
- if (guest->pool_num == 0 && parse_mempoolnode(guest)) {
- RTE_LOG(ERR, XENHOST, " there is error information in xenstore\n");
- TAILQ_REMOVE(&guest_root, guest, next);
- destroy_guest(guest);
- continue;
- }
-
- net_config = new_device(j, guest);
- /* every thing is ready now, added into data core */
- notify_ops->new_device(&net_config->dev);
- }
- }
- }
-
- free(dom);
- return;
-}
-
-void
-virtio_monitor_loop(void)
-{
- char **vec;
- xs_transaction_t th;
- char *buf;
- unsigned int len;
- unsigned int dom_id;
- uint32_t virtio_idx;
- struct xen_guest *guest;
- struct virtio_net_config_ll *net_config;
- enum fieldnames {
- FLD_NULL = 0,
- FLD_LOCAL,
- FLD_DOMAIN,
- FLD_ID,
- FLD_CONTROL,
- FLD_DPDK,
- FLD_NODE,
- _NUM_FLD
- };
- char *str_fld[_NUM_FLD];
- char *str;
- char *end;
-
- virtio_init();
- while (1) {
- watch_unmap_event();
-
- usleep(50);
- vec = xs_check_watch(watch.xs);
-
- if (vec == NULL)
- continue;
-
- th = xs_transaction_start(watch.xs);
-
- buf = xs_read(watch.xs, th, vec[XS_WATCH_PATH],&len);
- xs_transaction_end(watch.xs, th, false);
-
- if (buf) {
- /* theres' some node for vhost existed */
- if (rte_strsplit(vec[XS_WATCH_PATH], strnlen(vec[XS_WATCH_PATH], PATH_MAX),
- str_fld, _NUM_FLD, '/') == _NUM_FLD) {
- if (strstr(str_fld[FLD_NODE], VIRTIO_START)) {
- errno = 0;
- str = str_fld[FLD_ID];
- dom_id = strtoul(str, &end, 0);
- if (errno != 0 || end == NULL || end == str ) {
- RTE_LOG(INFO, XENHOST, "invalid domain id\n");
- continue;
- }
-
- errno = 0;
- str = str_fld[FLD_NODE] + sizeof(VIRTIO_START) - 1;
- virtio_idx = strtoul(str, &end, 0);
- if (errno != 0 || end == NULL || end == str
- || virtio_idx > MAX_VIRTIO) {
- RTE_LOG(INFO, XENHOST, "invalid virtio idx\n");
- continue;
- }
- RTE_LOG(INFO, XENHOST, " #####virtio dev (%d, %d) is started\n", dom_id, virtio_idx);
-
- guest = add_xen_guest(dom_id);
- if (guest == NULL)
- continue;
- guest->dom_id = dom_id;
- if (parse_vringnode(guest, virtio_idx)) {
- RTE_LOG(ERR, XENHOST, " there is invalid information in xenstore\n");
- /*guest newly created? guest existed ?*/
- TAILQ_REMOVE(&guest_root, guest, next);
- destroy_guest(guest);
- continue;
- }
- /*if pool_num > 0, then mempool has already been parsed*/
- if (guest->pool_num == 0 && parse_mempoolnode(guest)) {
- RTE_LOG(ERR, XENHOST, " there is error information in xenstore\n");
- TAILQ_REMOVE(&guest_root, guest, next);
- destroy_guest(guest);
- continue;
- }
-
-
- net_config = new_device(virtio_idx, guest);
- RTE_LOG(INFO, XENHOST, " Add to dataplane core\n");
- notify_ops->new_device(&net_config->dev);
-
- }
- }
- }
-
- free(vec);
- }
- return;
-}
-
-/*
- * Register ops so that we can add/remove device to data core.
- */
-int
-init_virtio_xen(struct virtio_net_device_ops const *const ops)
-{
- notify_ops = ops;
- if (xenhost_init())
- return -1;
- return 0;
-}
diff --git a/examples/vhost_xen/virtio-net.h b/examples/vhost_xen/virtio-net.h
deleted file mode 100644
index ab69726..0000000
--- a/examples/vhost_xen/virtio-net.h
+++ /dev/null
@@ -1,113 +0,0 @@
-/*-
- * BSD LICENSE
- *
- * Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- * * Neither the name of Intel Corporation nor the names of its
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef _VIRTIO_NET_H_
-#define _VIRTIO_NET_H_
-
-#include <stdint.h>
-
-#define VQ_DESC_NUM 256
-/* Used to indicate that the device is running on a data core */
-#define VIRTIO_DEV_RUNNING 1
-
-/*
- * Structure contains variables relevant to TX/RX virtqueues.
- */
-struct vhost_virtqueue
-{
- struct vring_desc *desc; /* Virtqueue descriptor ring. */
- struct vring_avail *avail; /* Virtqueue available ring. */
- struct vring_used *used; /* Virtqueue used ring. */
- uint32_t size; /* Size of descriptor ring. */
- uint32_t vhost_hlen; /* Vhost header length (varies depending on RX merge buffers. */
- volatile uint16_t last_used_idx; /* Last index used on the available ring */
- volatile uint16_t last_used_idx_res; /* Used for multiple devices reserving buffers. */
-} __rte_cache_aligned;
-
-/*
- * Device structure contains all configuration information relating to the device.
- */
-struct virtio_net
-{
- struct vhost_virtqueue *virtqueue_tx; /* Contains all TX virtqueue information. */
- struct vhost_virtqueue *virtqueue_rx; /* Contains all RX virtqueue information. */
- struct virtio_memory *mem; /* QEMU memory and memory region information. */
- struct ether_addr mac_address; /* Device MAC address (Obtained on first TX packet). */
- uint32_t flags; /* Device flags. Only used to check if device is running on data core. */
- uint32_t vlan_tag; /* Vlan tag for device. Currently set to device_id (0-63). */
- uint32_t vmdq_rx_q;
- uint64_t device_fh; /* device identifier. */
- uint16_t coreid;
- volatile uint8_t ready; /* A device is set as ready if the MAC address has been set. */
- volatile uint8_t remove; /* Device is marked for removal from the data core. */
- uint32_t virtio_idx; /* Index of virtio device */
- uint32_t dom_id; /* Domain id of xen guest */
-} ___rte_cache_aligned;
-
-/*
- * Device linked list structure for configuration.
- */
-struct virtio_net_config_ll
-{
- struct virtio_net dev; /* Virtio device. */
- struct virtio_net_config_ll *next; /* Next entry on linked list. */
-};
-
-/*
- * Information relating to memory regions including offsets to addresses in QEMUs memory file.
- */
-struct virtio_memory_regions {
- uint64_t guest_phys_address; /* Base guest physical address of region. */
- uint64_t guest_phys_address_end; /* End guest physical address of region. */
- uint64_t memory_size; /* Size of region. */
- uint64_t userspace_address; /* Base userspace address of region. */
- uint64_t address_offset; /* Offset of region for address translation. */
-};
-
-/*
- * Memory structure includes region and mapping information.
- */
-struct virtio_memory {
- uint32_t nregions; /* Number of memory regions. */
- struct virtio_memory_regions regions[0]; /* Memory region information. */
-};
-
-/*
- * Device operations to add/remove device.
- */
-struct virtio_net_device_ops {
- int (* new_device)(struct virtio_net *); /* Add device. */
- void (* destroy_device) (volatile struct virtio_net *); /* Remove device. */
-};
-
-#endif
diff --git a/examples/vhost_xen/xen_vhost.h b/examples/vhost_xen/xen_vhost.h
deleted file mode 100644
index 2fc304c..0000000
--- a/examples/vhost_xen/xen_vhost.h
+++ /dev/null
@@ -1,148 +0,0 @@
-/*-
- * BSD LICENSE
- *
- * Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- * * Neither the name of Intel Corporation nor the names of its
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef _XEN_VHOST_H_
-#define _XEN_VHOST_H_
-
-#include <stdint.h>
-
-#include <rte_ether.h>
-
-#include "virtio-net.h"
-
-#define RTE_LOGTYPE_XENHOST RTE_LOGTYPE_USER1
-
-#define XEN_VM_ROOTNODE_FMT "/local/domain/%d/control/dpdk"
-#define XEN_VM_NODE_FMT "/local/domain/%d/control/dpdk/%s"
-#define XEN_MEMPOOL_SUFFIX "mempool_gref"
-#define XEN_RXVRING_SUFFIX "rx_vring_gref"
-#define XEN_TXVRING_SUFFIX "tx_vring_gref"
-#define XEN_GVA_SUFFIX "mempool_va"
-#define XEN_VRINGFLAG_SUFFIX "vring_flag"
-#define XEN_ADDR_SUFFIX "ether_addr"
-#define VIRTIO_START "event_type_start_"
-
-#define XEN_GREF_SPLITTOKEN ','
-
-#define MAX_XENVIRT_MEMPOOL 16
-#define MAX_VIRTIO 32
-#define MAX_GREF_PER_NODE 64 /* 128 MB memory */
-
-#define PAGE_SIZE 4096
-#define PAGE_PFNNUM (PAGE_SIZE / sizeof(uint32_t))
-
-#define XEN_GNTDEV_FNAME "/dev/xen/gntdev"
-
-/* xen grant reference info in one grant node */
-struct xen_gnt {
- uint32_t gref; /* grant reference for this node */
- union {
- int gref; /* grant reference */
- uint32_t pfn_num; /* guest pfn number of grant reference */
- } gref_pfn[PAGE_PFNNUM];
-}__attribute__((__packed__));
-
-
-/* structure for mempool or vring node list */
-struct xen_gntnode {
- uint32_t gnt_num; /* grant reference number */
- struct xen_gnt *gnt_info; /* grant reference info */
-};
-
-
-struct xen_vring {
- uint32_t dom_id;
- uint32_t virtio_idx; /* index of virtio device */
- void *rxvring_addr; /* mapped virtual address of rxvring */
- void *txvring_addr; /* mapped virtual address of txvring */
- uint32_t rxpfn_num; /* number of gpfn for rxvring */
- uint32_t txpfn_num; /* number of gpfn for txvring */
- uint32_t *rxpfn_tbl; /* array of rxvring gpfn */
- uint32_t *txpfn_tbl; /* array of txvring gpfn */
- uint64_t *rx_pindex; /* index used to release rx grefs */
- uint64_t *tx_pindex; /* index used to release tx grefs */
- uint64_t flag_index;
- uint8_t *flag; /* cleared to zero on guest unmap */
- struct ether_addr addr; /* ethernet address of virtio device */
- uint8_t removed;
-
-};
-
-struct xen_mempool {
- uint32_t dom_id; /* guest domain id */
- uint32_t pool_idx; /* index of memory pool */
- void *gva; /* guest virtual address of mbuf pool */
- void *hva; /* host virtual address of mbuf pool */
- uint32_t mempfn_num; /* number of gpfn for mbuf pool */
- uint32_t *mempfn_tbl; /* array of mbuf pool gpfn */
- uint64_t *pindex; /* index used to release grefs */
-};
-
-struct xen_guest {
- TAILQ_ENTRY(xen_guest) next;
- int32_t dom_id; /* guest domain id */
- uint32_t pool_num; /* number of mbuf pool of the guest */
- uint32_t vring_num; /* number of virtio ports of the guest */
- /* array contain the guest mbuf pool info */
- struct xen_mempool mempool[MAX_XENVIRT_MEMPOOL];
- /* array contain the guest rx/tx vring info */
- struct xen_vring vring[MAX_VIRTIO];
-};
-
-TAILQ_HEAD(xen_guestlist, xen_guest);
-
-int
-parse_mempoolnode(struct xen_guest *guest);
-
-int
-xenhost_init(void);
-
-int
-parse_vringnode(struct xen_guest *guest, uint32_t virtio_idx);
-
-int
-parse_mempoolnode(struct xen_guest *guest);
-
-void
-cleanup_mempool(struct xen_mempool *mempool);
-
-void
-cleanup_vring(struct xen_vring *vring);
-
-void
-virtio_monitor_loop(void);
-
-int
-init_virtio_xen(struct virtio_net_device_ops const * const);
-
-#endif
diff --git a/examples/vhost_xen/xenstore_parse.c b/examples/vhost_xen/xenstore_parse.c
deleted file mode 100644
index ab089f1..0000000
--- a/examples/vhost_xen/xenstore_parse.c
+++ /dev/null
@@ -1,775 +0,0 @@
-/*-
- * BSD LICENSE
- *
- * Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- * * Neither the name of Intel Corporation nor the names of its
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include <stdint.h>
-#include <unistd.h>
-#include <inttypes.h>
-#include <errno.h>
-#include <fcntl.h>
-#include <sys/ioctl.h>
-#include <sys/mman.h>
-#include <xen/sys/gntalloc.h>
-#include <xen/sys/gntdev.h>
-#include <xen/xen-compat.h>
-#if __XEN_LATEST_INTERFACE_VERSION__ < 0x00040200
-#include <xs.h>
-#else
-#include <xenstore.h>
-#endif
-
-#include <rte_common.h>
-#include <rte_memory.h>
-#include <rte_eal.h>
-#include <rte_malloc.h>
-#include <rte_string_fns.h>
-#include <rte_log.h>
-#include <rte_debug.h>
-
-#include "xen_vhost.h"
-
-/* xenstore handle */
-static struct xs_handle *xs = NULL;
-
-/* gntdev file descriptor to map grant pages */
-static int d_fd = -1;
-
-/*
- * The grant node format in xenstore for vring/mpool is like:
- * idx#_rx_vring_gref = "gref1#, gref2#, gref3#"
- * idx#_mempool_gref = "gref1#, gref2#, gref3#"
- * each gref# is the grant reference for a shared page.
- * In each shared page, we store the grant_node_item items.
- */
-struct grant_node_item {
- uint32_t gref;
- uint32_t pfn;
-} __attribute__((packed));
-
-int cmdline_parse_etheraddr(void *tk, const char *srcbuf,
- void *res, unsigned ressize);
-
-/* Map grant ref refid at addr_ori*/
-static void *
-xen_grant_mmap(void *addr_ori, int domid, int refid, uint64_t *pindex)
-{
- struct ioctl_gntdev_map_grant_ref arg;
- void *addr = NULL;
- int pg_sz = getpagesize();
-
- arg.count = 1;
- arg.refs[0].domid = domid;
- arg.refs[0].ref = refid;
-
- int rv = ioctl(d_fd, IOCTL_GNTDEV_MAP_GRANT_REF, &arg);
- if (rv) {
- RTE_LOG(ERR, XENHOST, " %s: (%d,%d) %s (ioctl failed)\n", __func__,
- domid, refid, strerror(errno));
- return NULL;
- }
-
- if (addr_ori == NULL)
- addr = mmap(addr_ori, pg_sz, PROT_READ|PROT_WRITE, MAP_SHARED,
- d_fd, arg.index);
- else
- addr = mmap(addr_ori, pg_sz, PROT_READ|PROT_WRITE, MAP_SHARED | MAP_FIXED,
- d_fd, arg.index);
-
- if (addr == MAP_FAILED) {
- RTE_LOG(ERR, XENHOST, " %s: (%d, %d) %s (map failed)\n", __func__,
- domid, refid, strerror(errno));
- return NULL;
- }
-
- if (pindex)
- *pindex = arg.index;
-
- return addr;
-}
-
-/* Unmap one grant ref, and munmap must be called before this */
-static int
-xen_unmap_grant_ref(uint64_t index)
-{
- struct ioctl_gntdev_unmap_grant_ref arg;
- int rv;
-
- arg.count = 1;
- arg.index = index;
- rv = ioctl(d_fd, IOCTL_GNTDEV_UNMAP_GRANT_REF, &arg);
- if (rv) {
- RTE_LOG(ERR, XENHOST, " %s: index 0x%" PRIx64 "unmap failed\n", __func__, index);
- return -1;
- }
- return 0;
-}
-
-/*
- * Reserve a virtual address space.
- * On success, returns the pointer. On failure, returns NULL.
- */
-static void *
-get_xen_virtual(size_t size, size_t page_sz)
-{
- void *addr;
- uintptr_t aligned_addr;
-
- addr = mmap(NULL, size + page_sz, PROT_READ, MAP_SHARED | MAP_ANONYMOUS, -1, 0);
- if (addr == MAP_FAILED) {
- RTE_LOG(ERR, XENHOST, "failed get a virtual area\n");
- return NULL;
- }
-
- aligned_addr = RTE_ALIGN_CEIL((uintptr_t)addr, page_sz);
- munmap(addr, aligned_addr - (uintptr_t)addr);
- munmap((void *)(aligned_addr + size), page_sz + (uintptr_t)addr - aligned_addr);
- addr = (void *)(aligned_addr);
-
- return addr;
-}
-
-static void
-free_xen_virtual(void *addr, size_t size, size_t page_sz __rte_unused)
-{
- if (addr)
- munmap(addr, size);
-}
-
-/*
- * Returns val str in xenstore.
- * @param path
- * Full path string for key
- * @return
- * Pointer to Val str, NULL on failure
- */
-static char *
-xen_read_node(char *path, uint32_t *len)
-{
- char *buf;
-
- buf = xs_read(xs, XBT_NULL, path, len);
- return buf;
-}
-
-static int
-cal_pagenum(struct xen_gnt *gnt)
-{
- unsigned int i;
- /*
- * the items in the page are in the format of
- * gref#,pfn#,...,gref#,pfn#
- * FIXME, 0 is reserved by system, use it as terminator.
- */
- for (i = 0; i < (PAGE_PFNNUM) / 2; i++) {
- if (gnt->gref_pfn[i * 2].gref <= 0)
- break;
- }
-
- return i;
-}
-
-/* Frees memory allocated to a grant node */
-static void
-xen_free_gntnode(struct xen_gntnode *gntnode)
-{
- if (gntnode == NULL)
- return;
- free(gntnode->gnt_info);
- free(gntnode);
-}
-
-/*
- * Parse a grant node.
- * @param domid
- * Guest domain id.
- * @param path
- * Full path string for a grant node, like for the following (key, val) pair
- * idx#_mempool_gref = "gref#, gref#, gref#"
- * path = 'local/domain/domid/control/dpdk/idx#_mempool_gref'
- * gref# is a shared page contain packed (gref,pfn) entries
- * @return
- * Returns the pointer to xen_gntnode
- */
-static struct xen_gntnode *
-parse_gntnode(int dom_id, char *path)
-{
- char **gref_list = NULL;
- uint32_t i, len, gref_num;
- void *addr = NULL;
- char *buf = NULL;
- struct xen_gntnode *gntnode = NULL;
- struct xen_gnt *gnt = NULL;
- int pg_sz = getpagesize();
- char *end;
- uint64_t index;
-
- if ((buf = xen_read_node(path, &len)) == NULL)
- goto err;
-
- gref_list = malloc(MAX_GREF_PER_NODE * sizeof(char *));
- if (gref_list == NULL)
- goto err;
-
- gref_num = rte_strsplit(buf, len, gref_list, MAX_GREF_PER_NODE,
- XEN_GREF_SPLITTOKEN);
- if (gref_num == 0) {
- RTE_LOG(ERR, XENHOST, " %s: invalid grant node format\n", __func__);
- goto err;
- }
-
- gntnode = calloc(1, sizeof(struct xen_gntnode));
- gnt = calloc(gref_num, sizeof(struct xen_gnt));
- if (gnt == NULL || gntnode == NULL)
- goto err;
-
- for (i = 0; i < gref_num; i++) {
- errno = 0;
- gnt[i].gref = strtol(gref_list[i], &end, 0);
- if (errno != 0 || end == NULL || end == gref_list[i] ||
- (*end != '\0' && *end != XEN_GREF_SPLITTOKEN)) {
- RTE_LOG(ERR, XENHOST, " %s: parse grant node item failed\n", __func__);
- goto err;
- }
- addr = xen_grant_mmap(NULL, dom_id, gnt[i].gref, &index);
- if (addr == NULL) {
- RTE_LOG(ERR, XENHOST, " %s: map gref %u failed\n", __func__, gnt[i].gref);
- goto err;
- }
- RTE_LOG(INFO, XENHOST, " %s: map gref %u to %p\n", __func__, gnt[i].gref, addr);
- memcpy(gnt[i].gref_pfn, addr, pg_sz);
- if (munmap(addr, pg_sz)) {
- RTE_LOG(INFO, XENHOST, " %s: unmap gref %u failed\n", __func__, gnt[i].gref);
- goto err;
- }
- if (xen_unmap_grant_ref(index)) {
- RTE_LOG(INFO, XENHOST, " %s: release gref %u failed\n", __func__, gnt[i].gref);
- goto err;
- }
-
- }
-
- gntnode->gnt_num = gref_num;
- gntnode->gnt_info = gnt;
-
- free(buf);
- free(gref_list);
- return gntnode;
-
-err:
- free(gnt);
- free(gntnode);
- free(gref_list);
- free(buf);
- return NULL;
-}
-
-/*
- * This function maps grant node of vring or mbuf pool to a continuous virtual address space,
- * and returns mapped address, pfn array, index array
- * @param gntnode
- * Pointer to grant node
- * @param domid
- * Guest domain id
- * @param ppfn
- * Pointer to pfn array, caller should free this array
- * @param pgs
- * Pointer to number of pages
- * @param ppindex
- * Pointer to index array, used to release grefs when to free this node
- * @return
- * Pointer to mapped virtual address, NULL on failure
- */
-static void *
-map_gntnode(struct xen_gntnode *gntnode, int domid, uint32_t **ppfn, uint32_t *pgs, uint64_t **ppindex)
-{
- struct xen_gnt *gnt;
- uint32_t i, j;
- size_t total_pages = 0;
- void *addr;
- uint32_t *pfn;
- uint64_t *pindex;
- uint32_t pfn_num = 0;
- int pg_sz;
-
- if (gntnode == NULL)
- return NULL;
-
- pg_sz = getpagesize();
- for (i = 0; i < gntnode->gnt_num; i++) {
- gnt = gntnode->gnt_info + i;
- total_pages += cal_pagenum(gnt);
- }
- if ((addr = get_xen_virtual(total_pages * pg_sz, pg_sz)) == NULL) {
- RTE_LOG(ERR, XENHOST, " %s: failed get_xen_virtual\n", __func__);
- return NULL;
- }
- pfn = calloc(total_pages, (size_t)sizeof(uint32_t));
- pindex = calloc(total_pages, (size_t)sizeof(uint64_t));
- if (pfn == NULL || pindex == NULL) {
- free_xen_virtual(addr, total_pages * pg_sz, pg_sz);
- free(pfn);
- free(pindex);
- return NULL;
- }
-
- RTE_LOG(INFO, XENHOST, " %s: total pages:%zu, map to [%p, %p]\n", __func__, total_pages, addr, RTE_PTR_ADD(addr, total_pages * pg_sz - 1));
- for (i = 0; i < gntnode->gnt_num; i++) {
- gnt = gntnode->gnt_info + i;
- for (j = 0; j < (PAGE_PFNNUM) / 2; j++) {
- if ((gnt->gref_pfn[j * 2].gref) <= 0)
- goto _end;
- /*alternative: batch map, or through libxc*/
- if (xen_grant_mmap(RTE_PTR_ADD(addr, pfn_num * pg_sz),
- domid,
- gnt->gref_pfn[j * 2].gref,
- &pindex[pfn_num]) == NULL) {
- goto mmap_failed;
- }
- pfn[pfn_num] = gnt->gref_pfn[j * 2 + 1].pfn_num;
- pfn_num++;
- }
- }
-
-mmap_failed:
- if (pfn_num)
- munmap(addr, pfn_num * pg_sz);
- for (i = 0; i < pfn_num; i++) {
- xen_unmap_grant_ref(pindex[i]);
- }
- free(pindex);
- free(pfn);
- return NULL;
-
-_end:
- if (ppindex)
- *ppindex = pindex;
- else
- free(pindex);
- if (ppfn)
- *ppfn = pfn;
- else
- free(pfn);
- if (pgs)
- *pgs = total_pages;
-
- return addr;
-}
-
-static int
-parse_mpool_va(struct xen_mempool *mempool)
-{
- char path[PATH_MAX] = {0};
- char *buf;
- uint32_t len;
- char *end;
- int ret = -1;
-
- errno = 0;
- snprintf(path, sizeof(path),
- XEN_VM_ROOTNODE_FMT"/%d_"XEN_GVA_SUFFIX,
- mempool->dom_id, mempool->pool_idx);
-
- if((buf = xen_read_node(path, &len)) == NULL)
- goto out;
- mempool->gva = (void *)strtoul(buf, &end, 16);
- if (errno != 0 || end == NULL || end == buf || *end != '\0') {
- mempool->gva = NULL;
- goto out;
- }
- ret = 0;
-out:
- free(buf);
- return ret;
-}
-
-/*
- * map mbuf pool
- */
-static int
-map_mempoolnode(struct xen_gntnode *gntnode,
- struct xen_mempool *mempool)
-{
- if (gntnode == NULL || mempool == NULL)
- return -1;
-
- mempool->hva =
- map_gntnode(gntnode, mempool->dom_id, &mempool->mempfn_tbl, &mempool->mempfn_num, &mempool->pindex);
-
- RTE_LOG(INFO, XENHOST, " %s: map mempool at %p\n", __func__, (void *)mempool->hva);
- if (mempool->hva)
- return 0;
- else {
- return -1;
- }
-}
-
-void
-cleanup_mempool(struct xen_mempool *mempool)
-{
- int pg_sz = getpagesize();
- uint32_t i;
-
- if (mempool->hva)
- munmap(mempool->hva, mempool->mempfn_num * pg_sz);
- mempool->hva = NULL;
-
- if (mempool->pindex) {
- RTE_LOG(INFO, XENHOST, " %s: unmap dom %02u mempool%02u %u grefs\n",
- __func__,
- mempool->dom_id,
- mempool->pool_idx,
- mempool->mempfn_num);
- for (i = 0; i < mempool->mempfn_num; i ++) {
- xen_unmap_grant_ref(mempool->pindex[i]);
- }
- }
- mempool->pindex = NULL;
-
- free(mempool->mempfn_tbl);
- mempool->mempfn_tbl = NULL;
-}
-
-/*
- * process mempool node idx#_mempool_gref, idx = 0, 1, 2...
- * until we encounter a node that doesn't exist.
- */
-int
-parse_mempoolnode(struct xen_guest *guest)
-{
- uint32_t i, len;
- char path[PATH_MAX] = {0};
- struct xen_gntnode *gntnode = NULL;
- struct xen_mempool *mempool = NULL;
- char *buf;
-
- bzero(&guest->mempool, MAX_XENVIRT_MEMPOOL * sizeof(guest->mempool[0]));
- guest->pool_num = 0;
-
- while (1) {
- /* check if null terminated */
- snprintf(path, sizeof(path),
- XEN_VM_ROOTNODE_FMT"/%d_"XEN_MEMPOOL_SUFFIX,
- guest->dom_id,
- guest->pool_num);
-
- if ((buf = xen_read_node(path, &len)) != NULL) {
- /* this node exists */
- free(buf);
- } else {
- if (guest->pool_num == 0) {
- RTE_LOG(ERR, PMD, "no mempool found\n");
- return -1;
- }
- break;
- }
-
- mempool = &guest->mempool[guest->pool_num];
- mempool->dom_id = guest->dom_id;
- mempool->pool_idx = guest->pool_num;
-
- RTE_LOG(INFO, XENHOST, " %s: mempool %u parse gntnode %s\n", __func__, guest->pool_num, path);
- gntnode = parse_gntnode(guest->dom_id, path);
- if (gntnode == NULL)
- goto err;
-
- if (parse_mpool_va(mempool))
- goto err;
-
- RTE_LOG(INFO, XENHOST, " %s: mempool %u map gntnode %s\n", __func__, guest->pool_num, path);
- if (map_mempoolnode(gntnode, mempool))
- goto err;
-
- xen_free_gntnode(gntnode);
- guest->pool_num++;
- }
-
- return 0;
-err:
- if (gntnode)
- xen_free_gntnode(gntnode);
- for (i = 0; i < MAX_XENVIRT_MEMPOOL ; i++) {
- cleanup_mempool(&guest->mempool[i]);
- }
- /* reinitialise mempool */
- bzero(&guest->mempool, MAX_XENVIRT_MEMPOOL * sizeof(guest->mempool[0]));
- return -1;
-}
-
-static int
-xen_map_vringflag(struct xen_vring *vring)
-{
- char path[PATH_MAX] = {0};
- char *buf;
- uint32_t len,gref;
- int pg_sz = getpagesize();
- char *end;
-
- snprintf(path, sizeof(path),
- XEN_VM_ROOTNODE_FMT"/%d_"XEN_VRINGFLAG_SUFFIX,
- vring->dom_id, vring->virtio_idx);
-
- if((buf = xen_read_node(path, &len)) == NULL)
- goto err;
-
- errno = 0;
- gref = strtol(buf, &end, 0);
- if (errno != 0 || end == NULL || end == buf) {
- goto err;
- }
- vring->flag = xen_grant_mmap(0, vring->dom_id, gref, &vring->flag_index);
- if (vring->flag == NULL || *vring->flag == 0)
- goto err;
-
- free(buf);
- return 0;
-err:
- free(buf);
- if (vring->flag) {
- munmap(vring->flag, pg_sz);
- vring->flag = NULL;
- xen_unmap_grant_ref(vring->flag_index);
- }
- return -1;
-}
-
-
-static int
-xen_map_rxvringnode(struct xen_gntnode *gntnode,
- struct xen_vring *vring)
-{
- vring->rxvring_addr =
- map_gntnode(gntnode, vring->dom_id, &vring->rxpfn_tbl, &vring->rxpfn_num, &vring->rx_pindex);
- RTE_LOG(INFO, XENHOST, " %s: map rx vring at %p\n", __func__, (void *)vring->rxvring_addr);
- if (vring->rxvring_addr)
- return 0;
- else
- return -1;
-}
-
-static int
-xen_map_txvringnode(struct xen_gntnode *gntnode,
- struct xen_vring *vring)
-{
- vring->txvring_addr =
- map_gntnode(gntnode, vring->dom_id, &vring->txpfn_tbl, &vring->txpfn_num, &vring->tx_pindex);
- RTE_LOG(INFO, XENHOST, " %s: map tx vring at %p\n", __func__, (void *)vring->txvring_addr);
- if (vring->txvring_addr)
- return 0;
- else
- return -1;
-}
-
-void
-cleanup_vring(struct xen_vring *vring)
-{
- int pg_sz = getpagesize();
- uint32_t i;
-
- RTE_LOG(INFO, XENHOST, " %s: cleanup dom %u vring %u\n", __func__, vring->dom_id, vring->virtio_idx);
- if (vring->rxvring_addr) {
- munmap(vring->rxvring_addr, vring->rxpfn_num * pg_sz);
- RTE_LOG(INFO, XENHOST, " %s: unmap rx vring [%p, %p]\n",
- __func__,
- vring->rxvring_addr,
- RTE_PTR_ADD(vring->rxvring_addr,
- vring->rxpfn_num * pg_sz - 1));
- }
- vring->rxvring_addr = NULL;
-
-
- if (vring->rx_pindex) {
- RTE_LOG(INFO, XENHOST, " %s: unmap rx vring %u grefs\n", __func__, vring->rxpfn_num);
- for (i = 0; i < vring->rxpfn_num; i++) {
- xen_unmap_grant_ref(vring->rx_pindex[i]);
- }
- }
- vring->rx_pindex = NULL;
-
- free(vring->rxpfn_tbl);
- vring->rxpfn_tbl = NULL;
-
- if (vring->txvring_addr) {
- munmap(vring->txvring_addr, vring->txpfn_num * pg_sz);
- RTE_LOG(INFO, XENHOST, " %s: unmap tx vring [%p, %p]\n",
- __func__,
- vring->txvring_addr,
- RTE_PTR_ADD(vring->txvring_addr,
- vring->txpfn_num * pg_sz - 1));
- }
- vring->txvring_addr = NULL;
-
- if (vring->tx_pindex) {
- RTE_LOG(INFO, XENHOST, " %s: unmap tx vring %u grefs\n", __func__, vring->txpfn_num);
- for (i = 0; i < vring->txpfn_num; i++) {
- xen_unmap_grant_ref(vring->tx_pindex[i]);
- }
- }
- vring->tx_pindex = NULL;
-
- free(vring->txpfn_tbl);
- vring->txpfn_tbl = NULL;
-
- if (vring->flag) {
- if (!munmap((void *)vring->flag, pg_sz))
- RTE_LOG(INFO, XENHOST, " %s: unmap flag page at %p\n", __func__, vring->flag);
- if (!xen_unmap_grant_ref(vring->flag_index))
- RTE_LOG(INFO, XENHOST, " %s: release flag ref index 0x%" PRIx64 "\n", __func__, vring->flag_index);
- }
- vring->flag = NULL;
- return;
-}
-
-
-
-static int
-xen_parse_etheraddr(struct xen_vring *vring)
-{
- char path[PATH_MAX] = {0};
- char *buf;
- uint32_t len;
- int ret = -1;
-
- snprintf(path, sizeof(path),
- XEN_VM_ROOTNODE_FMT"/%d_"XEN_ADDR_SUFFIX,
- vring->dom_id, vring->virtio_idx);
-
- if ((buf = xen_read_node(path, &len)) == NULL)
- goto out;
-
- if (cmdline_parse_etheraddr(NULL, buf, &vring->addr,
- sizeof(vring->addr)) < 0)
- goto out;
- ret = 0;
-out:
- free(buf);
- return ret;
-}
-
-
-int
-parse_vringnode(struct xen_guest *guest, uint32_t virtio_idx)
-{
- char path[PATH_MAX] = {0};
- struct xen_gntnode *rx_gntnode = NULL;
- struct xen_gntnode *tx_gntnode = NULL;
- struct xen_vring *vring = NULL;
-
- /*check if null terminated */
- snprintf(path, sizeof(path),
- XEN_VM_ROOTNODE_FMT"/%d_"XEN_RXVRING_SUFFIX,
- guest->dom_id,
- virtio_idx);
-
- RTE_LOG(INFO, XENHOST, " %s: virtio %u parse rx gntnode %s\n", __func__, virtio_idx, path);
- rx_gntnode = parse_gntnode(guest->dom_id, path);
- if (rx_gntnode == NULL)
- goto err;
-
- /*check if null terminated */
- snprintf(path, sizeof(path),
- XEN_VM_ROOTNODE_FMT"/%d_"XEN_TXVRING_SUFFIX,
- guest->dom_id,
- virtio_idx);
-
- RTE_LOG(INFO, XENHOST, " %s: virtio %u parse tx gntnode %s\n", __func__, virtio_idx, path);
- tx_gntnode = parse_gntnode(guest->dom_id, path);
- if (tx_gntnode == NULL)
- goto err;
-
- vring = &guest->vring[virtio_idx];
- bzero(vring, sizeof(*vring));
- vring->dom_id = guest->dom_id;
- vring->virtio_idx = virtio_idx;
-
- if (xen_parse_etheraddr(vring) != 0)
- goto err;
-
- RTE_LOG(INFO, XENHOST, " %s: virtio %u map rx gntnode %s\n", __func__, virtio_idx, path);
- if (xen_map_rxvringnode(rx_gntnode, vring) != 0)
- goto err;
-
- RTE_LOG(INFO, XENHOST, " %s: virtio %u map tx gntnode %s\n", __func__, virtio_idx, path);
- if (xen_map_txvringnode(tx_gntnode, vring) != 0)
- goto err;
-
- if (xen_map_vringflag(vring) != 0)
- goto err;
-
- guest->vring_num++;
-
- xen_free_gntnode(rx_gntnode);
- xen_free_gntnode(tx_gntnode);
-
- return 0;
-
-err:
- if (rx_gntnode)
- xen_free_gntnode(rx_gntnode);
- if (tx_gntnode)
- xen_free_gntnode(tx_gntnode);
- if (vring) {
- cleanup_vring(vring);
- bzero(vring, sizeof(*vring));
- }
- return -1;
-}
-
-/*
- * Open xen grant dev driver
- * @return
- * 0 on success, -1 on failure.
- */
-static int
-xen_grant_init(void)
-{
- d_fd = open(XEN_GNTDEV_FNAME, O_RDWR);
-
- return d_fd == -1? (-1): (0);
-}
-
-/*
- * Initialise xenstore handle and open grant dev driver.
- * @return
- * 0 on success, -1 on failure.
- */
-int
-xenhost_init(void)
-{
- xs = xs_daemon_open();
- if (xs == NULL) {
- rte_panic("failed initialize xen daemon handler");
- return -1;
- }
- if (xen_grant_init())
- return -1;
- return 0;
-}
--
2.7.4
^ permalink raw reply related [flat|nested] 38+ messages in thread
* [PATCH 1/6] example/vhost_xen: remove
2017-08-30 18:10 [PATCH 0/6] remove xen dom0 support in DPDK Jianfeng Tan
@ 2017-08-30 18:10 ` Jianfeng Tan
2017-08-30 18:10 ` Jianfeng Tan
` (9 subsequent siblings)
10 siblings, 0 replies; 38+ messages in thread
From: Jianfeng Tan @ 2017-08-30 18:10 UTC (permalink / raw)
To: dev
Cc: jerin.jacob, shahafs, john.mcnamara, Jianfeng Tan, oao.m.martins,
thomas, xen-devel
Signed-off-by: Jianfeng Tan <jianfeng.tan@intel.com>
---
MAINTAINERS | 1 -
examples/Makefile | 1 -
examples/vhost_xen/Makefile | 52 --
examples/vhost_xen/main.c | 1522 -----------------------------------
examples/vhost_xen/main.h | 66 --
examples/vhost_xen/vhost_monitor.c | 595 --------------
examples/vhost_xen/virtio-net.h | 113 ---
examples/vhost_xen/xen_vhost.h | 148 ----
examples/vhost_xen/xenstore_parse.c | 775 ------------------
9 files changed, 3273 deletions(-)
delete mode 100644 examples/vhost_xen/Makefile
delete mode 100644 examples/vhost_xen/main.c
delete mode 100644 examples/vhost_xen/main.h
delete mode 100644 examples/vhost_xen/vhost_monitor.c
delete mode 100644 examples/vhost_xen/virtio-net.h
delete mode 100644 examples/vhost_xen/xen_vhost.h
delete mode 100644 examples/vhost_xen/xenstore_parse.c
diff --git a/MAINTAINERS b/MAINTAINERS
index a0cd75e..fe6c6db 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -196,7 +196,6 @@ F: lib/librte_eal/linuxapp/eal/*xen*
F: lib/librte_eal/linuxapp/eal/include/exec-env/rte_dom0_common.h
F: drivers/net/xenvirt/
F: doc/guides/xen/
-F: examples/vhost_xen/
F: doc/guides/nics/features/xenvirt.ini
FreeBSD EAL (with overlaps)
diff --git a/examples/Makefile b/examples/Makefile
index 28354ff..d27eddd 100644
--- a/examples/Makefile
+++ b/examples/Makefile
@@ -89,7 +89,6 @@ DIRS-$(CONFIG_RTE_LIBRTE_VHOST) += tep_termination
endif
DIRS-$(CONFIG_RTE_LIBRTE_TIMER) += timer
DIRS-$(CONFIG_RTE_LIBRTE_VHOST) += vhost vhost_scsi
-DIRS-$(CONFIG_RTE_LIBRTE_XEN_DOM0) += vhost_xen
DIRS-y += vmdq
DIRS-y += vmdq_dcb
ifeq ($(CONFIG_RTE_LIBRTE_POWER), y)
diff --git a/examples/vhost_xen/Makefile b/examples/vhost_xen/Makefile
deleted file mode 100644
index ad2466a..0000000
--- a/examples/vhost_xen/Makefile
+++ /dev/null
@@ -1,52 +0,0 @@
-# BSD LICENSE
-#
-# Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
-# All rights reserved.
-#
-# Redistribution and use in source and binary forms, with or without
-# modification, are permitted provided that the following conditions
-# are met:
-#
-# * Redistributions of source code must retain the above copyright
-# notice, this list of conditions and the following disclaimer.
-# * Redistributions in binary form must reproduce the above copyright
-# notice, this list of conditions and the following disclaimer in
-# the documentation and/or other materials provided with the
-# distribution.
-# * Neither the name of Intel Corporation nor the names of its
-# contributors may be used to endorse or promote products derived
-# from this software without specific prior written permission.
-#
-# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-ifeq ($(RTE_SDK),)
-$(error "Please define RTE_SDK environment variable")
-endif
-
-# Default target, can be overridden by command line or environment
-RTE_TARGET ?= x86_64-native-linuxapp-gcc
-
-include $(RTE_SDK)/mk/rte.vars.mk
-
-# binary name
-APP = vhost-switch
-
-# all source are stored in SRCS-y
-SRCS-y := main.c vhost_monitor.c xenstore_parse.c
-
-CFLAGS += -O2 -I/usr/local/include -D_FILE_OFFSET_BITS=64 -Wno-unused-parameter
-CFLAGS += $(WERROR_FLAGS)
-CFLAGS += -D_GNU_SOURCE
-LDFLAGS += -lxenstore
-
-include $(RTE_SDK)/mk/rte.extapp.mk
diff --git a/examples/vhost_xen/main.c b/examples/vhost_xen/main.c
deleted file mode 100644
index eba4d35..0000000
--- a/examples/vhost_xen/main.c
+++ /dev/null
@@ -1,1522 +0,0 @@
-/*-
- * BSD LICENSE
- *
- * Copyright(c) 2010-2015 Intel Corporation. All rights reserved.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- * * Neither the name of Intel Corporation nor the names of its
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include <arpa/inet.h>
-#include <getopt.h>
-#include <linux/if_ether.h>
-#include <linux/if_vlan.h>
-#include <linux/virtio_net.h>
-#include <linux/virtio_ring.h>
-#include <signal.h>
-#include <stdint.h>
-#include <sys/eventfd.h>
-#include <sys/param.h>
-#include <unistd.h>
-
-#include <rte_atomic.h>
-#include <rte_cycles.h>
-#include <rte_ethdev.h>
-#include <rte_log.h>
-#include <rte_string_fns.h>
-#include <rte_pause.h>
-
-#include "main.h"
-#include "virtio-net.h"
-#include "xen_vhost.h"
-
-#define MAX_QUEUES 128
-
-/* the maximum number of external ports supported */
-#define MAX_SUP_PORTS 1
-
-/*
- * Calculate the number of buffers needed per port
- */
-#define NUM_MBUFS_PER_PORT ((MAX_QUEUES*RTE_TEST_RX_DESC_DEFAULT) + \
- (num_switching_cores*MAX_PKT_BURST) + \
- (num_switching_cores*RTE_TEST_TX_DESC_DEFAULT) +\
- (num_switching_cores*MBUF_CACHE_SIZE))
-
-#define MBUF_CACHE_SIZE 64
-
-/*
- * RX and TX Prefetch, Host, and Write-back threshold values should be
- * carefully set for optimal performance. Consult the network
- * controller's datasheet and supporting DPDK documentation for guidance
- * on how these parameters should be set.
- */
-#define RX_PTHRESH 8 /* Default values of RX prefetch threshold reg. */
-#define RX_HTHRESH 8 /* Default values of RX host threshold reg. */
-#define RX_WTHRESH 4 /* Default values of RX write-back threshold reg. */
-
-/*
- * These default values are optimized for use with the Intel(R) 82599 10 GbE
- * Controller and the DPDK ixgbe PMD. Consider using other values for other
- * network controllers and/or network drivers.
- */
-#define TX_PTHRESH 36 /* Default values of TX prefetch threshold reg. */
-#define TX_HTHRESH 0 /* Default values of TX host threshold reg. */
-#define TX_WTHRESH 0 /* Default values of TX write-back threshold reg. */
-
-#define MAX_PKT_BURST 32 /* Max burst size for RX/TX */
-#define MAX_MRG_PKT_BURST 16 /* Max burst for merge buffers. Set to 1 due to performance issue. */
-#define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */
-
-/* State of virtio device. */
-#define DEVICE_NOT_READY 0
-#define DEVICE_READY 1
-#define DEVICE_SAFE_REMOVE 2
-
-/* Config_core_flag status definitions. */
-#define REQUEST_DEV_REMOVAL 1
-#define ACK_DEV_REMOVAL 0
-
-/* Configurable number of RX/TX ring descriptors */
-#define RTE_TEST_RX_DESC_DEFAULT 128
-#define RTE_TEST_TX_DESC_DEFAULT 512
-
-#define INVALID_PORT_ID 0xFF
-
-/* Max number of devices. Limited by vmdq. */
-#define MAX_DEVICES 64
-
-/* Size of buffers used for snprintfs. */
-#define MAX_PRINT_BUFF 6072
-
-
-/* Maximum long option length for option parsing. */
-#define MAX_LONG_OPT_SZ 64
-
-/* Used to compare MAC addresses. */
-#define MAC_ADDR_CMP 0xFFFFFFFFFFFF
-
-/* mask of enabled ports */
-static uint32_t enabled_port_mask = 0;
-
-/*Number of switching cores enabled*/
-static uint32_t num_switching_cores = 0;
-
-/* number of devices/queues to support*/
-static uint32_t num_queues = 0;
-uint32_t num_devices = 0;
-
-/* Enable VM2VM communications. If this is disabled then the MAC address compare is skipped. */
-static uint32_t enable_vm2vm = 1;
-/* Enable stats. */
-static uint32_t enable_stats = 0;
-
-/* empty vmdq configuration structure. Filled in programatically */
-static const struct rte_eth_conf vmdq_conf_default = {
- .rxmode = {
- .mq_mode = ETH_MQ_RX_VMDQ_ONLY,
- .split_hdr_size = 0,
- .header_split = 0, /**< Header Split disabled */
- .hw_ip_checksum = 0, /**< IP checksum offload disabled */
- .hw_vlan_filter = 0, /**< VLAN filtering disabled */
- /*
- * It is necessary for 1G NIC such as I350,
- * this fixes bug of ipv4 forwarding in guest can't
- * forward pakets from one virtio dev to another virtio dev.
- */
- .hw_vlan_strip = 1, /**< VLAN strip enabled. */
- .jumbo_frame = 0, /**< Jumbo Frame Support disabled */
- .hw_strip_crc = 1, /**< CRC stripped by hardware */
- },
-
- .txmode = {
- .mq_mode = ETH_MQ_TX_NONE,
- },
- .rx_adv_conf = {
- /*
- * should be overridden separately in code with
- * appropriate values
- */
- .vmdq_rx_conf = {
- .nb_queue_pools = ETH_8_POOLS,
- .enable_default_pool = 0,
- .default_pool = 0,
- .nb_pool_maps = 0,
- .pool_map = {{0, 0},},
- },
- },
-};
-
-static unsigned lcore_ids[RTE_MAX_LCORE];
-static uint8_t ports[RTE_MAX_ETHPORTS];
-static unsigned num_ports = 0; /**< The number of ports specified in command line */
-
-const uint16_t vlan_tags[] = {
- 1000, 1001, 1002, 1003, 1004, 1005, 1006, 1007,
- 1008, 1009, 1010, 1011, 1012, 1013, 1014, 1015,
- 1016, 1017, 1018, 1019, 1020, 1021, 1022, 1023,
- 1024, 1025, 1026, 1027, 1028, 1029, 1030, 1031,
- 1032, 1033, 1034, 1035, 1036, 1037, 1038, 1039,
- 1040, 1041, 1042, 1043, 1044, 1045, 1046, 1047,
- 1048, 1049, 1050, 1051, 1052, 1053, 1054, 1055,
- 1056, 1057, 1058, 1059, 1060, 1061, 1062, 1063,
-};
-
-/* ethernet addresses of ports */
-static struct ether_addr vmdq_ports_eth_addr[RTE_MAX_ETHPORTS];
-
-/* heads for the main used and free linked lists for the data path. */
-static struct virtio_net_data_ll *ll_root_used = NULL;
-static struct virtio_net_data_ll *ll_root_free = NULL;
-
-/* Array of data core structures containing information on individual core linked lists. */
-static struct lcore_info lcore_info[RTE_MAX_LCORE];
-
-/* Used for queueing bursts of TX packets. */
-struct mbuf_table {
- unsigned len;
- unsigned txq_id;
- struct rte_mbuf *m_table[MAX_PKT_BURST];
-};
-
-/* TX queue for each data core. */
-struct mbuf_table lcore_tx_queue[RTE_MAX_LCORE];
-
-/* Vlan header struct used to insert vlan tags on TX. */
-struct vlan_ethhdr {
- unsigned char h_dest[ETH_ALEN];
- unsigned char h_source[ETH_ALEN];
- __be16 h_vlan_proto;
- __be16 h_vlan_TCI;
- __be16 h_vlan_encapsulated_proto;
-};
-
-/* Header lengths. */
-#define VLAN_HLEN 4
-#define VLAN_ETH_HLEN 18
-
-/* Per-device statistics struct */
-struct device_statistics {
- uint64_t tx_total;
- rte_atomic64_t rx_total;
- uint64_t tx;
- rte_atomic64_t rx;
-} __rte_cache_aligned;
-struct device_statistics dev_statistics[MAX_DEVICES];
-
-/*
- * Builds up the correct configuration for VMDQ VLAN pool map
- * according to the pool & queue limits.
- */
-static inline int
-get_eth_conf(struct rte_eth_conf *eth_conf, uint32_t num_devices)
-{
- struct rte_eth_vmdq_rx_conf conf;
- unsigned i;
-
- memset(&conf, 0, sizeof(conf));
- conf.nb_queue_pools = (enum rte_eth_nb_pools)num_devices;
- conf.nb_pool_maps = num_devices;
-
- for (i = 0; i < conf.nb_pool_maps; i++) {
- conf.pool_map[i].vlan_id = vlan_tags[ i ];
- conf.pool_map[i].pools = (1UL << i);
- }
-
- (void)(rte_memcpy(eth_conf, &vmdq_conf_default, sizeof(*eth_conf)));
- (void)(rte_memcpy(ð_conf->rx_adv_conf.vmdq_rx_conf, &conf,
- sizeof(eth_conf->rx_adv_conf.vmdq_rx_conf)));
- return 0;
-}
-
-/*
- * Validate the device number according to the max pool number gotten form dev_info
- * If the device number is invalid, give the error message and return -1.
- * Each device must have its own pool.
- */
-static inline int
-validate_num_devices(uint32_t max_nb_devices)
-{
- if (num_devices > max_nb_devices) {
- RTE_LOG(ERR, VHOST_PORT, "invalid number of devices\n");
- return -1;
- }
- return 0;
-}
-
-/*
- * Initialises a given port using global settings and with the rx buffers
- * coming from the mbuf_pool passed as parameter
- */
-static inline int
-port_init(uint8_t port, struct rte_mempool *mbuf_pool)
-{
- struct rte_eth_dev_info dev_info;
- struct rte_eth_rxconf *rxconf;
- struct rte_eth_conf port_conf;
- uint16_t rx_rings, tx_rings = (uint16_t)rte_lcore_count();
- uint16_t rx_ring_size = RTE_TEST_RX_DESC_DEFAULT;
- uint16_t tx_ring_size = RTE_TEST_TX_DESC_DEFAULT;
- int retval;
- uint16_t q;
-
- /* The max pool number from dev_info will be used to validate the pool number specified in cmd line */
- rte_eth_dev_info_get (port, &dev_info);
-
- /*configure the number of supported virtio devices based on VMDQ limits */
- num_devices = dev_info.max_vmdq_pools;
- num_queues = dev_info.max_rx_queues;
-
- retval = validate_num_devices(MAX_DEVICES);
- if (retval < 0)
- return retval;
-
- /* Get port configuration. */
- retval = get_eth_conf(&port_conf, num_devices);
- if (retval < 0)
- return retval;
-
- if (port >= rte_eth_dev_count()) return -1;
-
- rx_rings = (uint16_t)num_queues,
- /* Configure ethernet device. */
- retval = rte_eth_dev_configure(port, rx_rings, tx_rings, &port_conf);
- if (retval != 0)
- return retval;
-
- retval = rte_eth_dev_adjust_nb_rx_tx_desc(port, &rx_ring_size,
- &tx_ring_size);
- if (retval != 0)
- return retval;
- if (rx_ring_size > RTE_TEST_RX_DESC_DEFAULT ||
- tx_ring_size > RTE_TEST_TX_DESC_DEFAULT) {
- RTE_LOG(ERR, VHOST_PORT, "Mbuf pool has an insufficient size for "
- "port %u.\n", port);
- return -1;
- }
-
- rte_eth_dev_info_get(port, &dev_info);
- rxconf = &dev_info.default_rxconf;
- rxconf->rx_drop_en = 1;
- /* Setup the queues. */
- for (q = 0; q < rx_rings; q ++) {
- retval = rte_eth_rx_queue_setup(port, q, rx_ring_size,
- rte_eth_dev_socket_id(port), rxconf,
- mbuf_pool);
- if (retval < 0)
- return retval;
- }
- for (q = 0; q < tx_rings; q ++) {
- retval = rte_eth_tx_queue_setup(port, q, tx_ring_size,
- rte_eth_dev_socket_id(port),
- NULL);
- if (retval < 0)
- return retval;
- }
-
- /* Start the device. */
- retval = rte_eth_dev_start(port);
- if (retval < 0)
- return retval;
-
- rte_eth_macaddr_get(port, &vmdq_ports_eth_addr[port]);
- RTE_LOG(INFO, VHOST_PORT, "Max virtio devices supported: %u\n", num_devices);
- RTE_LOG(INFO, VHOST_PORT, "Port %u MAC: %02"PRIx8" %02"PRIx8" %02"PRIx8
- " %02"PRIx8" %02"PRIx8" %02"PRIx8"\n",
- (unsigned)port,
- vmdq_ports_eth_addr[port].addr_bytes[0],
- vmdq_ports_eth_addr[port].addr_bytes[1],
- vmdq_ports_eth_addr[port].addr_bytes[2],
- vmdq_ports_eth_addr[port].addr_bytes[3],
- vmdq_ports_eth_addr[port].addr_bytes[4],
- vmdq_ports_eth_addr[port].addr_bytes[5]);
-
- return 0;
-}
-
-/*
- * Parse the portmask provided at run time.
- */
-static int
-parse_portmask(const char *portmask)
-{
- char *end = NULL;
- unsigned long pm;
-
- errno = 0;
-
- /* parse hexadecimal string */
- pm = strtoul(portmask, &end, 16);
- if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0') || (errno != 0))
- return -1;
-
- if (pm == 0)
- return -1;
-
- return pm;
-
-}
-
-/*
- * Parse num options at run time.
- */
-static int
-parse_num_opt(const char *q_arg, uint32_t max_valid_value)
-{
- char *end = NULL;
- unsigned long num;
-
- errno = 0;
-
- /* parse unsigned int string */
- num = strtoul(q_arg, &end, 10);
- if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0') || (errno != 0))
- return -1;
-
- if (num > max_valid_value)
- return -1;
-
- return num;
-
-}
-
-/*
- * Display usage
- */
-static void
-us_vhost_usage(const char *prgname)
-{
- RTE_LOG(INFO, VHOST_CONFIG, "%s [EAL options] -- -p PORTMASK --vm2vm [0|1] --stats [0-N] --nb-devices ND\n"
- " -p PORTMASK: Set mask for ports to be used by application\n"
- " --vm2vm [0|1]: disable/enable(default) vm2vm comms\n"
- " --stats [0-N]: 0: Disable stats, N: Time in seconds to print stats\n",
- prgname);
-}
-
-/*
- * Parse the arguments given in the command line of the application.
- */
-static int
-us_vhost_parse_args(int argc, char **argv)
-{
- int opt, ret;
- int option_index;
- unsigned i;
- const char *prgname = argv[0];
- static struct option long_option[] = {
- {"vm2vm", required_argument, NULL, 0},
- {"stats", required_argument, NULL, 0},
- {NULL, 0, 0, 0}
- };
-
- /* Parse command line */
- while ((opt = getopt_long(argc, argv, "p:",long_option, &option_index)) != EOF) {
- switch (opt) {
- /* Portmask */
- case 'p':
- enabled_port_mask = parse_portmask(optarg);
- if (enabled_port_mask == 0) {
- RTE_LOG(INFO, VHOST_CONFIG, "Invalid portmask\n");
- us_vhost_usage(prgname);
- return -1;
- }
- break;
-
- case 0:
- /* Enable/disable vm2vm comms. */
- if (!strncmp(long_option[option_index].name, "vm2vm", MAX_LONG_OPT_SZ)) {
- ret = parse_num_opt(optarg, 1);
- if (ret == -1) {
- RTE_LOG(INFO, VHOST_CONFIG, "Invalid argument for vm2vm [0|1]\n");
- us_vhost_usage(prgname);
- return -1;
- } else {
- enable_vm2vm = ret;
- }
- }
-
- /* Enable/disable stats. */
- if (!strncmp(long_option[option_index].name, "stats", MAX_LONG_OPT_SZ)) {
- ret = parse_num_opt(optarg, INT32_MAX);
- if (ret == -1) {
- RTE_LOG(INFO, VHOST_CONFIG, "Invalid argument for stats [0..N]\n");
- us_vhost_usage(prgname);
- return -1;
- } else {
- enable_stats = ret;
- }
- }
- break;
-
- /* Invalid option - print options. */
- default:
- us_vhost_usage(prgname);
- return -1;
- }
- }
-
- for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
- if (enabled_port_mask & (1 << i))
- ports[num_ports++] = (uint8_t)i;
- }
-
- if ((num_ports == 0) || (num_ports > MAX_SUP_PORTS)) {
- RTE_LOG(INFO, VHOST_PORT, "Current enabled port number is %u,"
- "but only %u port can be enabled\n",num_ports, MAX_SUP_PORTS);
- return -1;
- }
-
- return 0;
-}
-
-/*
- * Update the global var NUM_PORTS and array PORTS according to system ports number
- * and return valid ports number
- */
-static unsigned check_ports_num(unsigned nb_ports)
-{
- unsigned valid_num_ports = num_ports;
- unsigned portid;
-
- if (num_ports > nb_ports) {
- RTE_LOG(INFO, VHOST_PORT, "\nSpecified port number(%u) exceeds total system port number(%u)\n",
- num_ports, nb_ports);
- num_ports = nb_ports;
- }
-
- for (portid = 0; portid < num_ports; portid ++) {
- if (ports[portid] >= nb_ports) {
- RTE_LOG(INFO, VHOST_PORT, "\nSpecified port ID(%u) exceeds max system port ID(%u)\n",
- ports[portid], (nb_ports - 1));
- ports[portid] = INVALID_PORT_ID;
- valid_num_ports--;
- }
- }
- return valid_num_ports;
-}
-
-/*
- * Function to convert guest physical addresses to vhost virtual addresses. This
- * is used to convert virtio buffer addresses.
- */
-static __rte_always_inline uint64_t
-gpa_to_vva(struct virtio_net *dev, uint64_t guest_pa)
-{
- struct virtio_memory_regions *region;
- uint32_t regionidx;
- uint64_t vhost_va = 0;
-
- for (regionidx = 0; regionidx < dev->mem->nregions; regionidx++) {
- region = &dev->mem->regions[regionidx];
- if ((guest_pa >= region->guest_phys_address) &&
- (guest_pa <= region->guest_phys_address_end)) {
- vhost_va = region->address_offset + guest_pa;
- break;
- }
- }
- RTE_LOG_DP(DEBUG, VHOST_DATA, "(%" PRIu64 ") GPA %p| VVA %p\n",
- dev->device_fh, (void*)(uintptr_t)guest_pa, (void*)(uintptr_t)vhost_va);
-
- return vhost_va;
-}
-
-/*
- * This function adds buffers to the virtio devices RX virtqueue. Buffers can
- * be received from the physical port or from another virtio device. A packet
- * count is returned to indicate the number of packets that were successfully
- * added to the RX queue.
- */
-static __rte_always_inline uint32_t
-virtio_dev_rx(struct virtio_net *dev, struct rte_mbuf **pkts, uint32_t count)
-{
- struct vhost_virtqueue *vq;
- struct vring_desc *desc;
- struct rte_mbuf *buff;
- /* The virtio_hdr is initialised to 0. */
- struct virtio_net_hdr_mrg_rxbuf virtio_hdr = {{0,0,0,0,0,0},0};
- uint64_t buff_addr = 0;
- uint64_t buff_hdr_addr = 0;
- uint32_t head[MAX_PKT_BURST], packet_len = 0;
- uint32_t head_idx, packet_success = 0;
- uint16_t avail_idx, res_cur_idx;
- uint16_t res_base_idx, res_end_idx;
- uint16_t free_entries;
- uint8_t success = 0;
- void *userdata;
-
- RTE_LOG_DP(DEBUG, VHOST_DATA, "(%" PRIu64 ") virtio_dev_rx()\n", dev->device_fh);
- vq = dev->virtqueue_rx;
- count = (count > MAX_PKT_BURST) ? MAX_PKT_BURST : count;
- /* As many data cores may want access to available buffers, they need to be reserved. */
- do {
-
- res_base_idx = vq->last_used_idx_res;
-
- avail_idx = *((volatile uint16_t *)&vq->avail->idx);
-
- free_entries = (avail_idx - res_base_idx);
-
- /*check that we have enough buffers*/
- if (unlikely(count > free_entries))
- count = free_entries;
-
- if (count == 0)
- return 0;
-
- res_end_idx = res_base_idx + count;
- /* vq->last_used_idx_res is atomically updated. */
- success = rte_atomic16_cmpset(&vq->last_used_idx_res, res_base_idx,
- res_end_idx);
- } while (unlikely(success == 0));
- res_cur_idx = res_base_idx;
- RTE_LOG_DP(DEBUG, VHOST_DATA, "(%" PRIu64 ") Current Index %d| End Index %d\n",
- dev->device_fh, res_cur_idx, res_end_idx);
-
- /* Prefetch available ring to retrieve indexes. */
- rte_prefetch0(&vq->avail->ring[res_cur_idx & (vq->size - 1)]);
-
- /* Retrieve all of the head indexes first to avoid caching issues. */
- for (head_idx = 0; head_idx < count; head_idx++)
- head[head_idx] = vq->avail->ring[(res_cur_idx + head_idx) & (vq->size - 1)];
-
- /*Prefetch descriptor index. */
- rte_prefetch0(&vq->desc[head[packet_success]]);
-
- while (res_cur_idx != res_end_idx) {
- /* Get descriptor from available ring */
- desc = &vq->desc[head[packet_success]];
- /* Prefetch descriptor address. */
- rte_prefetch0(desc);
-
- buff = pkts[packet_success];
-
- /* Convert from gpa to vva (guest physical addr -> vhost virtual addr) */
- buff_addr = gpa_to_vva(dev, desc->addr);
- /* Prefetch buffer address. */
- rte_prefetch0((void*)(uintptr_t)buff_addr);
-
- {
- /* Copy virtio_hdr to packet and increment buffer address */
- buff_hdr_addr = buff_addr;
- packet_len = rte_pktmbuf_data_len(buff) + vq->vhost_hlen;
-
- /*
- * If the descriptors are chained the header and data are placed in
- * separate buffers.
- */
- if (desc->flags & VRING_DESC_F_NEXT) {
- desc->len = vq->vhost_hlen;
- desc = &vq->desc[desc->next];
- /* Buffer address translation. */
- buff_addr = gpa_to_vva(dev, desc->addr);
- desc->len = rte_pktmbuf_data_len(buff);
- } else {
- buff_addr += vq->vhost_hlen;
- desc->len = packet_len;
- }
- }
-
- /* Update used ring with desc information */
- vq->used->ring[res_cur_idx & (vq->size - 1)].id = head[packet_success];
- vq->used->ring[res_cur_idx & (vq->size - 1)].len = packet_len;
-
- /* Copy mbuf data to buffer */
- userdata = rte_pktmbuf_mtod(buff, void *);
- rte_memcpy((void *)(uintptr_t)buff_addr, userdata, rte_pktmbuf_data_len(buff));
-
- res_cur_idx++;
- packet_success++;
-
- /* mergeable is disabled then a header is required per buffer. */
- rte_memcpy((void *)(uintptr_t)buff_hdr_addr, (const void *)&virtio_hdr, vq->vhost_hlen);
- if (res_cur_idx < res_end_idx) {
- /* Prefetch descriptor index. */
- rte_prefetch0(&vq->desc[head[packet_success]]);
- }
- }
-
- rte_compiler_barrier();
-
- /* Wait until it's our turn to add our buffer to the used ring. */
- while (unlikely(vq->last_used_idx != res_base_idx))
- rte_pause();
-
- *(volatile uint16_t *)&vq->used->idx += count;
-
- vq->last_used_idx = res_end_idx;
-
- return count;
-}
-
-/*
- * Compares a packet destination MAC address to a device MAC address.
- */
-static __rte_always_inline int
-ether_addr_cmp(struct ether_addr *ea, struct ether_addr *eb)
-{
- return ((*(uint64_t *)ea ^ *(uint64_t *)eb) & MAC_ADDR_CMP) == 0;
-}
-
-/*
- * This function registers mac along with a
- * vlan tag to a VMDQ.
- */
-static int
-link_vmdq(struct virtio_net *dev)
-{
- int ret;
- struct virtio_net_data_ll *dev_ll;
-
- dev_ll = ll_root_used;
-
- while (dev_ll != NULL) {
- if ((dev != dev_ll->dev) && ether_addr_cmp(&dev->mac_address, &dev_ll->dev->mac_address)) {
- RTE_LOG(INFO, VHOST_DATA, "(%"PRIu64") WARNING: This device is using an existing MAC address and has not been registered.\n", dev->device_fh);
- return -1;
- }
- dev_ll = dev_ll->next;
- }
-
- /* vlan_tag currently uses the device_id. */
- dev->vlan_tag = vlan_tags[dev->device_fh];
- dev->vmdq_rx_q = dev->device_fh * (num_queues/num_devices);
-
- /* Print out VMDQ registration info. */
- RTE_LOG(INFO, VHOST_DATA, "(%"PRIu64") MAC_ADDRESS %02x:%02x:%02x:%02x:%02x:%02x and VLAN_TAG %d registered\n",
- dev->device_fh,
- dev->mac_address.addr_bytes[0], dev->mac_address.addr_bytes[1],
- dev->mac_address.addr_bytes[2], dev->mac_address.addr_bytes[3],
- dev->mac_address.addr_bytes[4], dev->mac_address.addr_bytes[5],
- dev->vlan_tag);
-
- /* Register the MAC address. */
- ret = rte_eth_dev_mac_addr_add(ports[0], &dev->mac_address, (uint32_t)dev->device_fh);
- if (ret) {
- RTE_LOG(ERR, VHOST_DATA, "(%"PRIu64") Failed to add device MAC address to VMDQ\n",
- dev->device_fh);
- return -1;
- }
-
- /* Enable stripping of the vlan tag as we handle routing. */
- rte_eth_dev_set_vlan_strip_on_queue(ports[0], dev->vmdq_rx_q, 1);
-
- rte_compiler_barrier();
- /* Set device as ready for RX. */
- dev->ready = DEVICE_READY;
-
- return 0;
-}
-
-/*
- * Removes MAC address and vlan tag from VMDQ. Ensures that nothing is adding buffers to the RX
- * queue before disabling RX on the device.
- */
-static inline void
-unlink_vmdq(struct virtio_net *dev)
-{
- unsigned i = 0;
- unsigned rx_count;
- struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
-
- if (dev->ready == DEVICE_READY) {
- /*clear MAC and VLAN settings*/
- rte_eth_dev_mac_addr_remove(ports[0], &dev->mac_address);
- for (i = 0; i < 6; i++)
- dev->mac_address.addr_bytes[i] = 0;
-
- dev->vlan_tag = 0;
-
- /*Clear out the receive buffers*/
- rx_count = rte_eth_rx_burst(ports[0],
- (uint16_t)dev->vmdq_rx_q, pkts_burst, MAX_PKT_BURST);
-
- while (rx_count) {
- for (i = 0; i < rx_count; i++)
- rte_pktmbuf_free(pkts_burst[i]);
-
- rx_count = rte_eth_rx_burst(ports[0],
- (uint16_t)dev->vmdq_rx_q, pkts_burst, MAX_PKT_BURST);
- }
-
- dev->ready = DEVICE_NOT_READY;
- }
-}
-
-/*
- * Check if the packet destination MAC address is for a local device. If so then put
- * the packet on that devices RX queue. If not then return.
- */
-static __rte_always_inline unsigned
-virtio_tx_local(struct virtio_net *dev, struct rte_mbuf *m)
-{
- struct virtio_net_data_ll *dev_ll;
- struct ether_hdr *pkt_hdr;
- uint64_t ret = 0;
-
- pkt_hdr = rte_pktmbuf_mtod(m, struct ether_hdr *);
-
- /*get the used devices list*/
- dev_ll = ll_root_used;
-
- while (dev_ll != NULL) {
- if (likely(dev_ll->dev->ready == DEVICE_READY) && ether_addr_cmp(&(pkt_hdr->d_addr),
- &dev_ll->dev->mac_address)) {
-
- /* Drop the packet if the TX packet is destined for the TX device. */
- if (dev_ll->dev->device_fh == dev->device_fh) {
- RTE_LOG_DP(DEBUG, VHOST_DATA, "(%" PRIu64 ") TX: "
- "Source and destination MAC addresses are the same. "
- "Dropping packet.\n",
- dev_ll->dev->device_fh);
- return 0;
- }
-
-
- RTE_LOG_DP(DEBUG, VHOST_DATA, "(%" PRIu64 ") TX: "
- "MAC address is local\n", dev_ll->dev->device_fh);
-
- if (dev_ll->dev->remove) {
- /*drop the packet if the device is marked for removal*/
- RTE_LOG_DP(DEBUG, VHOST_DATA, "(%" PRIu64 ") "
- "Device is marked for removal\n",
- dev_ll->dev->device_fh);
- } else {
- /*send the packet to the local virtio device*/
- ret = virtio_dev_rx(dev_ll->dev, &m, 1);
- if (enable_stats) {
- rte_atomic64_add(&dev_statistics[dev_ll->dev->device_fh].rx_total, 1);
- rte_atomic64_add(&dev_statistics[dev_ll->dev->device_fh].rx, ret);
- dev_statistics[dev->device_fh].tx_total++;
- dev_statistics[dev->device_fh].tx += ret;
- }
- }
-
- return 0;
- }
- dev_ll = dev_ll->next;
- }
-
- return -1;
-}
-
-/*
- * This function routes the TX packet to the correct interface. This may be a local device
- * or the physical port.
- */
-static __rte_always_inline void
-virtio_tx_route(struct virtio_net* dev, struct rte_mbuf *m, struct rte_mempool *mbuf_pool, uint16_t vlan_tag)
-{
- struct mbuf_table *tx_q;
- struct vlan_ethhdr *vlan_hdr;
- struct rte_mbuf **m_table;
- struct rte_mbuf *mbuf;
- unsigned len, ret;
- const uint16_t lcore_id = rte_lcore_id();
-
- /*check if destination is local VM*/
- if (enable_vm2vm && (virtio_tx_local(dev, m) == 0)) {
- return;
- }
-
- RTE_LOG_DP(DEBUG, VHOST_DATA, "(%" PRIu64 ") TX: "
- "MAC address is external\n", dev->device_fh);
-
- /*Add packet to the port tx queue*/
- tx_q = &lcore_tx_queue[lcore_id];
- len = tx_q->len;
-
- /* Allocate an mbuf and populate the structure. */
- mbuf = rte_pktmbuf_alloc(mbuf_pool);
- if(!mbuf)
- return;
-
- mbuf->data_len = m->data_len + VLAN_HLEN;
- mbuf->pkt_len = mbuf->data_len;
-
- /* Copy ethernet header to mbuf. */
- rte_memcpy(rte_pktmbuf_mtod(mbuf, void*),
- rte_pktmbuf_mtod(m, const void*), ETH_HLEN);
-
-
- /* Setup vlan header. Bytes need to be re-ordered for network with htons()*/
- vlan_hdr = rte_pktmbuf_mtod(mbuf, struct vlan_ethhdr *);
- vlan_hdr->h_vlan_encapsulated_proto = vlan_hdr->h_vlan_proto;
- vlan_hdr->h_vlan_proto = htons(ETH_P_8021Q);
- vlan_hdr->h_vlan_TCI = htons(vlan_tag);
-
- /* Copy the remaining packet contents to the mbuf. */
- rte_memcpy(rte_pktmbuf_mtod_offset(mbuf, void *, VLAN_ETH_HLEN),
- rte_pktmbuf_mtod_offset(m, const void *, ETH_HLEN),
- (m->data_len - ETH_HLEN));
- tx_q->m_table[len] = mbuf;
- len++;
- if (enable_stats) {
- dev_statistics[dev->device_fh].tx_total++;
- dev_statistics[dev->device_fh].tx++;
- }
-
- if (unlikely(len == MAX_PKT_BURST)) {
- m_table = (struct rte_mbuf **)tx_q->m_table;
- ret = rte_eth_tx_burst(ports[0], (uint16_t)tx_q->txq_id, m_table, (uint16_t) len);
- /* Free any buffers not handled by TX and update the port stats. */
- if (unlikely(ret < len)) {
- do {
- rte_pktmbuf_free(m_table[ret]);
- } while (++ret < len);
- }
-
- len = 0;
- }
-
- tx_q->len = len;
- return;
-}
-
-static __rte_always_inline void
-virtio_dev_tx(struct virtio_net* dev, struct rte_mempool *mbuf_pool)
-{
- struct rte_mbuf m;
- struct vhost_virtqueue *vq;
- struct vring_desc *desc;
- uint64_t buff_addr = 0;
- uint32_t head[MAX_PKT_BURST];
- uint32_t used_idx;
- uint32_t i;
- uint16_t free_entries, packet_success = 0;
- uint16_t avail_idx;
-
- vq = dev->virtqueue_tx;
- avail_idx = *((volatile uint16_t *)&vq->avail->idx);
-
- /* If there are no available buffers then return. */
- if (vq->last_used_idx == avail_idx)
- return;
-
- RTE_LOG_DP(DEBUG, VHOST_DATA, "(%" PRIu64 ") virtio_dev_tx()\n",
- dev->device_fh);
-
- /* Prefetch available ring to retrieve head indexes. */
- rte_prefetch0(&vq->avail->ring[vq->last_used_idx & (vq->size - 1)]);
-
- /*get the number of free entries in the ring*/
- free_entries = avail_idx - vq->last_used_idx;
- free_entries = unlikely(free_entries < MAX_PKT_BURST) ? free_entries : MAX_PKT_BURST;
-
- RTE_LOG_DP(DEBUG, VHOST_DATA, "(%" PRIu64 ") Buffers available %d\n",
- dev->device_fh, free_entries);
- /* Retrieve all of the head indexes first to avoid caching issues. */
- for (i = 0; i < free_entries; i++)
- head[i] = vq->avail->ring[(vq->last_used_idx + i) & (vq->size - 1)];
-
- /* Prefetch descriptor index. */
- rte_prefetch0(&vq->desc[head[packet_success]]);
-
- while (packet_success < free_entries) {
- desc = &vq->desc[head[packet_success]];
- /* Prefetch descriptor address. */
- rte_prefetch0(desc);
-
- if (packet_success < (free_entries - 1)) {
- /* Prefetch descriptor index. */
- rte_prefetch0(&vq->desc[head[packet_success+1]]);
- }
-
- /* Update used index buffer information. */
- used_idx = vq->last_used_idx & (vq->size - 1);
- vq->used->ring[used_idx].id = head[packet_success];
- vq->used->ring[used_idx].len = 0;
-
- /* Discard first buffer as it is the virtio header */
- desc = &vq->desc[desc->next];
-
- /* Buffer address translation. */
- buff_addr = gpa_to_vva(dev, desc->addr);
- /* Prefetch buffer address. */
- rte_prefetch0((void*)(uintptr_t)buff_addr);
-
- /* Setup dummy mbuf. This is copied to a real mbuf if transmitted out the physical port. */
- m.data_len = desc->len;
- m.data_off = 0;
- m.nb_segs = 1;
-
- virtio_tx_route(dev, &m, mbuf_pool, 0);
-
- vq->last_used_idx++;
- packet_success++;
- }
-
- rte_compiler_barrier();
- vq->used->idx += packet_success;
- /* Kick guest if required. */
-}
-
-/*
- * This function is called by each data core. It handles all RX/TX registered with the
- * core. For TX the specific lcore linked list is used. For RX, MAC addresses are compared
- * with all devices in the main linked list.
- */
-static int
-switch_worker(__attribute__((unused)) void *arg)
-{
- struct rte_mempool *mbuf_pool = arg;
- struct virtio_net *dev = NULL;
- struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
- struct virtio_net_data_ll *dev_ll;
- struct mbuf_table *tx_q;
- volatile struct lcore_ll_info *lcore_ll;
- const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) / US_PER_S * BURST_TX_DRAIN_US;
- uint64_t prev_tsc, diff_tsc, cur_tsc, ret_count = 0;
- unsigned ret, i;
- const uint16_t lcore_id = rte_lcore_id();
- const uint16_t num_cores = (uint16_t)rte_lcore_count();
- uint16_t rx_count = 0;
-
- RTE_LOG(INFO, VHOST_DATA, "Procesing on Core %u started \n", lcore_id);
- lcore_ll = lcore_info[lcore_id].lcore_ll;
- prev_tsc = 0;
-
- tx_q = &lcore_tx_queue[lcore_id];
- for (i = 0; i < num_cores; i ++) {
- if (lcore_ids[i] == lcore_id) {
- tx_q->txq_id = i;
- break;
- }
- }
-
- while(1) {
- cur_tsc = rte_rdtsc();
- /*
- * TX burst queue drain
- */
- diff_tsc = cur_tsc - prev_tsc;
- if (unlikely(diff_tsc > drain_tsc)) {
-
- if (tx_q->len) {
- RTE_LOG_DP(DEBUG, VHOST_DATA,
- "TX queue drained after timeout with burst size %u\n",
- tx_q->len);
-
- /*Tx any packets in the queue*/
- ret = rte_eth_tx_burst(ports[0], (uint16_t)tx_q->txq_id,
- (struct rte_mbuf **)tx_q->m_table,
- (uint16_t)tx_q->len);
- if (unlikely(ret < tx_q->len)) {
- do {
- rte_pktmbuf_free(tx_q->m_table[ret]);
- } while (++ret < tx_q->len);
- }
-
- tx_q->len = 0;
- }
-
- prev_tsc = cur_tsc;
-
- }
-
- /*
- * Inform the configuration core that we have exited the linked list and that no devices are
- * in use if requested.
- */
- if (lcore_ll->dev_removal_flag == REQUEST_DEV_REMOVAL)
- lcore_ll->dev_removal_flag = ACK_DEV_REMOVAL;
-
- /*
- * Process devices
- */
- dev_ll = lcore_ll->ll_root_used;
-
- while (dev_ll != NULL) {
- /*get virtio device ID*/
- dev = dev_ll->dev;
-
- if (unlikely(dev->remove)) {
- dev_ll = dev_ll->next;
- unlink_vmdq(dev);
- dev->ready = DEVICE_SAFE_REMOVE;
- continue;
- }
- if (likely(dev->ready == DEVICE_READY)) {
- /*Handle guest RX*/
- rx_count = rte_eth_rx_burst(ports[0],
- (uint16_t)dev->vmdq_rx_q, pkts_burst, MAX_PKT_BURST);
-
- if (rx_count) {
- ret_count = virtio_dev_rx(dev, pkts_burst, rx_count);
- if (enable_stats) {
- rte_atomic64_add(&dev_statistics[dev_ll->dev->device_fh].rx_total, rx_count);
- rte_atomic64_add(&dev_statistics[dev_ll->dev->device_fh].rx, ret_count);
- }
- while (likely(rx_count)) {
- rx_count--;
- rte_pktmbuf_free_seg(pkts_burst[rx_count]);
- }
-
- }
- }
-
- if (likely(!dev->remove))
- /*Handle guest TX*/
- virtio_dev_tx(dev, mbuf_pool);
-
- /*move to the next device in the list*/
- dev_ll = dev_ll->next;
- }
- }
-
- return 0;
-}
-
-/*
- * Add an entry to a used linked list. A free entry must first be found in the free linked list
- * using get_data_ll_free_entry();
- */
-static void
-add_data_ll_entry(struct virtio_net_data_ll **ll_root_addr, struct virtio_net_data_ll *ll_dev)
-{
- struct virtio_net_data_ll *ll = *ll_root_addr;
-
- /* Set next as NULL and use a compiler barrier to avoid reordering. */
- ll_dev->next = NULL;
- rte_compiler_barrier();
-
- /* If ll == NULL then this is the first device. */
- if (ll) {
- /* Increment to the tail of the linked list. */
- while ((ll->next != NULL) )
- ll = ll->next;
-
- ll->next = ll_dev;
- } else {
- *ll_root_addr = ll_dev;
- }
-}
-
-/*
- * Remove an entry from a used linked list. The entry must then be added to the free linked list
- * using put_data_ll_free_entry().
- */
-static void
-rm_data_ll_entry(struct virtio_net_data_ll **ll_root_addr, struct virtio_net_data_ll *ll_dev, struct virtio_net_data_ll *ll_dev_last)
-{
- struct virtio_net_data_ll *ll = *ll_root_addr;
-
- if (ll_dev == ll)
- *ll_root_addr = ll_dev->next;
- else
- ll_dev_last->next = ll_dev->next;
-}
-
-/*
- * Find and return an entry from the free linked list.
- */
-static struct virtio_net_data_ll *
-get_data_ll_free_entry(struct virtio_net_data_ll **ll_root_addr)
-{
- struct virtio_net_data_ll *ll_free = *ll_root_addr;
- struct virtio_net_data_ll *ll_dev;
-
- if (ll_free == NULL)
- return NULL;
-
- ll_dev = ll_free;
- *ll_root_addr = ll_free->next;
-
- return ll_dev;
-}
-
-/*
- * Place an entry back on to the free linked list.
- */
-static void
-put_data_ll_free_entry(struct virtio_net_data_ll **ll_root_addr, struct virtio_net_data_ll *ll_dev)
-{
- struct virtio_net_data_ll *ll_free = *ll_root_addr;
-
- ll_dev->next = ll_free;
- *ll_root_addr = ll_dev;
-}
-
-/*
- * Creates a linked list of a given size.
- */
-static struct virtio_net_data_ll *
-alloc_data_ll(uint32_t size)
-{
- struct virtio_net_data_ll *ll_new;
- uint32_t i;
-
- /* Malloc and then chain the linked list. */
- ll_new = malloc(size * sizeof(struct virtio_net_data_ll));
- if (ll_new == NULL) {
- RTE_LOG(ERR, VHOST_CONFIG, "Failed to allocate memory for ll_new.\n");
- return NULL;
- }
-
- for (i = 0; i < size - 1; i++) {
- ll_new[i].dev = NULL;
- ll_new[i].next = &ll_new[i+1];
- }
- ll_new[i].next = NULL;
-
- return ll_new;
-}
-
-/*
- * Create the main linked list along with each individual cores linked list. A used and a free list
- * are created to manage entries.
- */
-static int
-init_data_ll (void)
-{
- int lcore;
-
- RTE_LCORE_FOREACH_SLAVE(lcore) {
- lcore_info[lcore].lcore_ll = malloc(sizeof(struct lcore_ll_info));
- if (lcore_info[lcore].lcore_ll == NULL) {
- RTE_LOG(ERR, VHOST_CONFIG, "Failed to allocate memory for lcore_ll.\n");
- return -1;
- }
-
- lcore_info[lcore].lcore_ll->device_num = 0;
- lcore_info[lcore].lcore_ll->dev_removal_flag = ACK_DEV_REMOVAL;
- lcore_info[lcore].lcore_ll->ll_root_used = NULL;
- if (num_devices % num_switching_cores)
- lcore_info[lcore].lcore_ll->ll_root_free = alloc_data_ll((num_devices / num_switching_cores) + 1);
- else
- lcore_info[lcore].lcore_ll->ll_root_free = alloc_data_ll(num_devices / num_switching_cores);
- }
-
- /* Allocate devices up to a maximum of MAX_DEVICES. */
- ll_root_free = alloc_data_ll(MIN((num_devices), MAX_DEVICES));
-
- return 0;
-}
-/*
- * Remove a device from the specific data core linked list and from the main linked list. The
- * rx/tx thread must be set the flag to indicate that it is safe to remove the device.
- * used.
- */
-static void
-destroy_device (volatile struct virtio_net *dev)
-{
- struct virtio_net_data_ll *ll_lcore_dev_cur;
- struct virtio_net_data_ll *ll_main_dev_cur;
- struct virtio_net_data_ll *ll_lcore_dev_last = NULL;
- struct virtio_net_data_ll *ll_main_dev_last = NULL;
- int lcore;
-
- dev->flags &= ~VIRTIO_DEV_RUNNING;
-
- /*set the remove flag. */
- dev->remove = 1;
-
- while(dev->ready != DEVICE_SAFE_REMOVE) {
- rte_pause();
- }
-
- /* Search for entry to be removed from lcore ll */
- ll_lcore_dev_cur = lcore_info[dev->coreid].lcore_ll->ll_root_used;
- while (ll_lcore_dev_cur != NULL) {
- if (ll_lcore_dev_cur->dev == dev) {
- break;
- } else {
- ll_lcore_dev_last = ll_lcore_dev_cur;
- ll_lcore_dev_cur = ll_lcore_dev_cur->next;
- }
- }
-
- /* Search for entry to be removed from main ll */
- ll_main_dev_cur = ll_root_used;
- ll_main_dev_last = NULL;
- while (ll_main_dev_cur != NULL) {
- if (ll_main_dev_cur->dev == dev) {
- break;
- } else {
- ll_main_dev_last = ll_main_dev_cur;
- ll_main_dev_cur = ll_main_dev_cur->next;
- }
- }
-
- if (ll_lcore_dev_cur == NULL || ll_main_dev_cur == NULL) {
- RTE_LOG(ERR, XENHOST, "%s: could find device in per_cpu list or main_list\n", __func__);
- return;
- }
-
- /* Remove entries from the lcore and main ll. */
- rm_data_ll_entry(&lcore_info[ll_lcore_dev_cur->dev->coreid].lcore_ll->ll_root_used, ll_lcore_dev_cur, ll_lcore_dev_last);
- rm_data_ll_entry(&ll_root_used, ll_main_dev_cur, ll_main_dev_last);
-
- /* Set the dev_removal_flag on each lcore. */
- RTE_LCORE_FOREACH_SLAVE(lcore) {
- lcore_info[lcore].lcore_ll->dev_removal_flag = REQUEST_DEV_REMOVAL;
- }
-
- /*
- * Once each core has set the dev_removal_flag to ACK_DEV_REMOVAL we can be sure that
- * they can no longer access the device removed from the linked lists and that the devices
- * are no longer in use.
- */
- RTE_LCORE_FOREACH_SLAVE(lcore) {
- while (lcore_info[lcore].lcore_ll->dev_removal_flag != ACK_DEV_REMOVAL) {
- rte_pause();
- }
- }
-
- /* Add the entries back to the lcore and main free ll.*/
- put_data_ll_free_entry(&lcore_info[ll_lcore_dev_cur->dev->coreid].lcore_ll->ll_root_free, ll_lcore_dev_cur);
- put_data_ll_free_entry(&ll_root_free, ll_main_dev_cur);
-
- /* Decrement number of device on the lcore. */
- lcore_info[ll_lcore_dev_cur->dev->coreid].lcore_ll->device_num--;
-
- RTE_LOG(INFO, VHOST_DATA, " #####(%"PRIu64") Device has been removed from data core\n", dev->device_fh);
-}
-
-/*
- * A new device is added to a data core. First the device is added to the main linked list
- * and the allocated to a specific data core.
- */
-static int
-new_device (struct virtio_net *dev)
-{
- struct virtio_net_data_ll *ll_dev;
- int lcore, core_add = 0;
- uint32_t device_num_min = num_devices;
-
- /* Add device to main ll */
- ll_dev = get_data_ll_free_entry(&ll_root_free);
- if (ll_dev == NULL) {
- RTE_LOG(INFO, VHOST_DATA, "(%"PRIu64") No free entry found in linked list. Device limit "
- "of %d devices per core has been reached\n",
- dev->device_fh, num_devices);
- return -1;
- }
- ll_dev->dev = dev;
- add_data_ll_entry(&ll_root_used, ll_dev);
-
- /*reset ready flag*/
- dev->ready = DEVICE_NOT_READY;
- dev->remove = 0;
-
- /* Find a suitable lcore to add the device. */
- RTE_LCORE_FOREACH_SLAVE(lcore) {
- if (lcore_info[lcore].lcore_ll->device_num < device_num_min) {
- device_num_min = lcore_info[lcore].lcore_ll->device_num;
- core_add = lcore;
- }
- }
- /* Add device to lcore ll */
- ll_dev->dev->coreid = core_add;
- ll_dev = get_data_ll_free_entry(&lcore_info[ll_dev->dev->coreid].lcore_ll->ll_root_free);
- if (ll_dev == NULL) {
- RTE_LOG(INFO, VHOST_DATA, "(%"PRIu64") Failed to add device to data core\n", dev->device_fh);
- destroy_device(dev);
- return -1;
- }
- ll_dev->dev = dev;
- add_data_ll_entry(&lcore_info[ll_dev->dev->coreid].lcore_ll->ll_root_used, ll_dev);
-
- /* Initialize device stats */
- memset(&dev_statistics[dev->device_fh], 0, sizeof(struct device_statistics));
-
- lcore_info[ll_dev->dev->coreid].lcore_ll->device_num++;
- dev->flags |= VIRTIO_DEV_RUNNING;
-
- RTE_LOG(INFO, VHOST_DATA, "(%"PRIu64") Device has been added to data core %d\n", dev->device_fh, dev->coreid);
-
- link_vmdq(dev);
-
- return 0;
-}
-
-/*
- * These callback allow devices to be added to the data core when configuration
- * has been fully complete.
- */
-static const struct virtio_net_device_ops virtio_net_device_ops =
-{
- .new_device = new_device,
- .destroy_device = destroy_device,
-};
-
-/*
- * This is a thread will wake up after a period to print stats if the user has
- * enabled them.
- */
-static void
-print_stats(void)
-{
- struct virtio_net_data_ll *dev_ll;
- uint64_t tx_dropped, rx_dropped;
- uint64_t tx, tx_total, rx, rx_total;
- uint32_t device_fh;
- const char clr[] = { 27, '[', '2', 'J', '\0' };
- const char top_left[] = { 27, '[', '1', ';', '1', 'H','\0' };
-
- while(1) {
- sleep(enable_stats);
-
- /* Clear screen and move to top left */
- printf("%s%s", clr, top_left);
-
- printf("\nDevice statistics ====================================");
-
- dev_ll = ll_root_used;
- while (dev_ll != NULL) {
- device_fh = (uint32_t)dev_ll->dev->device_fh;
- tx_total = dev_statistics[device_fh].tx_total;
- tx = dev_statistics[device_fh].tx;
- tx_dropped = tx_total - tx;
- rx_total = rte_atomic64_read(&dev_statistics[device_fh].rx_total);
- rx = rte_atomic64_read(&dev_statistics[device_fh].rx);
- rx_dropped = rx_total - rx;
-
- printf("\nStatistics for device %"PRIu32" ------------------------------"
- "\nTX total: %"PRIu64""
- "\nTX dropped: %"PRIu64""
- "\nTX successful: %"PRIu64""
- "\nRX total: %"PRIu64""
- "\nRX dropped: %"PRIu64""
- "\nRX successful: %"PRIu64"",
- device_fh,
- tx_total,
- tx_dropped,
- tx,
- rx_total,
- rx_dropped,
- rx);
-
- dev_ll = dev_ll->next;
- }
- printf("\n======================================================\n");
- }
-}
-
-
-int init_virtio_net(struct virtio_net_device_ops const * const ops);
-
-/*
- * Main function, does initialisation and calls the per-lcore functions.
- */
-int
-main(int argc, char *argv[])
-{
- struct rte_mempool *mbuf_pool;
- unsigned lcore_id, core_id = 0;
- unsigned nb_ports, valid_num_ports;
- int ret;
- uint8_t portid;
- static pthread_t tid;
- char thread_name[RTE_MAX_THREAD_NAME_LEN];
-
- /* init EAL */
- ret = rte_eal_init(argc, argv);
- if (ret < 0)
- rte_exit(EXIT_FAILURE, "Error with EAL initialization\n");
- argc -= ret;
- argv += ret;
-
- /* parse app arguments */
- ret = us_vhost_parse_args(argc, argv);
- if (ret < 0)
- rte_exit(EXIT_FAILURE, "Invalid argument\n");
-
- for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id ++)
- if (rte_lcore_is_enabled(lcore_id))
- lcore_ids[core_id ++] = lcore_id;
-
- if (rte_lcore_count() > RTE_MAX_LCORE)
- rte_exit(EXIT_FAILURE,"Not enough cores\n");
-
- /*set the number of swithcing cores available*/
- num_switching_cores = rte_lcore_count()-1;
-
- /* Get the number of physical ports. */
- nb_ports = rte_eth_dev_count();
-
- /*
- * Update the global var NUM_PORTS and global array PORTS
- * and get value of var VALID_NUM_PORTS according to system ports number
- */
- valid_num_ports = check_ports_num(nb_ports);
-
- if ((valid_num_ports == 0) || (valid_num_ports > MAX_SUP_PORTS)) {
- RTE_LOG(INFO, VHOST_PORT, "Current enabled port number is %u,"
- "but only %u port can be enabled\n",num_ports, MAX_SUP_PORTS);
- return -1;
- }
-
- /* Create the mbuf pool. */
- mbuf_pool = rte_pktmbuf_pool_create("MBUF_POOL",
- NUM_MBUFS_PER_PORT * valid_num_ports, MBUF_CACHE_SIZE, 0,
- RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id());
- if (mbuf_pool == NULL)
- rte_exit(EXIT_FAILURE, "Cannot create mbuf pool\n");
-
- /* initialize all ports */
- for (portid = 0; portid < nb_ports; portid++) {
- /* skip ports that are not enabled */
- if ((enabled_port_mask & (1 << portid)) == 0) {
- RTE_LOG(INFO, VHOST_PORT, "Skipping disabled port %d\n", portid);
- continue;
- }
- if (port_init(portid, mbuf_pool) != 0)
- rte_exit(EXIT_FAILURE, "Cannot initialize network ports\n");
- }
-
- /* Initialise all linked lists. */
- if (init_data_ll() == -1)
- rte_exit(EXIT_FAILURE, "Failed to initialize linked list\n");
-
- /* Initialize device stats */
- memset(&dev_statistics, 0, sizeof(dev_statistics));
-
- /* Enable stats if the user option is set. */
- if (enable_stats) {
- ret = pthread_create(&tid, NULL, (void *)print_stats, NULL);
- if (ret != 0)
- rte_exit(EXIT_FAILURE,
- "Cannot create print-stats thread\n");
-
- /* Set thread_name for aid in debugging. */
- snprintf(thread_name, RTE_MAX_THREAD_NAME_LEN, "print-xen-stats");
- ret = rte_thread_setname(tid, thread_name);
- if (ret != 0)
- RTE_LOG(DEBUG, VHOST_CONFIG,
- "Cannot set print-stats name\n");
- }
-
- /* Launch all data cores. */
- RTE_LCORE_FOREACH_SLAVE(lcore_id) {
- rte_eal_remote_launch(switch_worker, mbuf_pool, lcore_id);
- }
-
- init_virtio_xen(&virtio_net_device_ops);
-
- virtio_monitor_loop();
- return 0;
-}
diff --git a/examples/vhost_xen/main.h b/examples/vhost_xen/main.h
deleted file mode 100644
index 5ff48fd..0000000
--- a/examples/vhost_xen/main.h
+++ /dev/null
@@ -1,66 +0,0 @@
-/*-
- * BSD LICENSE
- *
- * Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- * * Neither the name of Intel Corporation nor the names of its
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef _MAIN_H_
-#define _MAIN_H_
-
-/* Macros for printing using RTE_LOG */
-#define RTE_LOGTYPE_VHOST_CONFIG RTE_LOGTYPE_USER1
-#define RTE_LOGTYPE_VHOST_DATA RTE_LOGTYPE_USER2
-#define RTE_LOGTYPE_VHOST_PORT RTE_LOGTYPE_USER3
-
-/*
- * Device linked list structure for data path.
- */
-struct virtio_net_data_ll
-{
- struct virtio_net *dev; /* Pointer to device created by configuration core. */
- struct virtio_net_data_ll *next; /* Pointer to next device in linked list. */
-};
-
-/*
- * Structure containing data core specific information.
- */
-struct lcore_ll_info
-{
- struct virtio_net_data_ll *ll_root_free; /* Pointer to head in free linked list. */
- struct virtio_net_data_ll *ll_root_used; /* Pointer to head of used linked list. */
- uint32_t device_num; /* Number of devices on lcore. */
- volatile uint8_t dev_removal_flag; /* Flag to synchronize device removal. */
-};
-
-struct lcore_info
-{
- struct lcore_ll_info *lcore_ll; /* Pointer to data core specific lcore_ll_info struct */
-};
-#endif /* _MAIN_H_ */
diff --git a/examples/vhost_xen/vhost_monitor.c b/examples/vhost_xen/vhost_monitor.c
deleted file mode 100644
index fb9606b..0000000
--- a/examples/vhost_xen/vhost_monitor.c
+++ /dev/null
@@ -1,595 +0,0 @@
-/*-
- * BSD LICENSE
- *
- * Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- * * Neither the name of Intel Corporation nor the names of its
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include <stdlib.h>
-#include <stdio.h>
-#include <dirent.h>
-#include <unistd.h>
-#include <sys/eventfd.h>
-#include <sys/ioctl.h>
-#include <sys/mman.h>
-#include <xen/xen-compat.h>
-#if __XEN_LATEST_INTERFACE_VERSION__ < 0x00040200
-#include <xs.h>
-#else
-#include <xenstore.h>
-#endif
-#include <linux/virtio_ring.h>
-#include <linux/virtio_pci.h>
-#include <linux/virtio_net.h>
-
-#include <rte_ethdev.h>
-#include <rte_log.h>
-#include <rte_malloc.h>
-#include <rte_string_fns.h>
-
-#include "virtio-net.h"
-#include "xen_vhost.h"
-
-struct virtio_watch {
- struct xs_handle *xs;
- int watch_fd;
-};
-
-
-/* device ops to add/remove device to/from data core. */
-static struct virtio_net_device_ops const *notify_ops;
-
-/* root address of the linked list in the configuration core. */
-static struct virtio_net_config_ll *ll_root = NULL;
-
-/* root address of VM. */
-static struct xen_guestlist guest_root;
-
-static struct virtio_watch watch;
-
-static void
-vq_vring_init(struct vhost_virtqueue *vq, unsigned int num, uint8_t *p,
- unsigned long align)
-{
- vq->size = num;
- vq->desc = (struct vring_desc *) p;
- vq->avail = (struct vring_avail *) (p +
- num * sizeof(struct vring_desc));
- vq->used = (void *)
- RTE_ALIGN_CEIL( (uintptr_t)(&vq->avail->ring[num]), align);
-
-}
-
-static int
-init_watch(void)
-{
- struct xs_handle *xs;
- int ret;
- int fd;
-
- /* get a connection to the daemon */
- xs = xs_daemon_open();
- if (xs == NULL) {
- RTE_LOG(ERR, XENHOST, "xs_daemon_open failed\n");
- return -1;
- }
-
- ret = xs_watch(xs, "/local/domain", "mytoken");
- if (ret == 0) {
- RTE_LOG(ERR, XENHOST, "%s: xs_watch failed\n", __func__);
- xs_daemon_close(xs);
- return -1;
- }
-
- /* We are notified of read availability on the watch via the file descriptor. */
- fd = xs_fileno(xs);
- watch.xs = xs;
- watch.watch_fd = fd;
-
- TAILQ_INIT(&guest_root);
- return 0;
-}
-
-static struct xen_guest *
-get_xen_guest(int dom_id)
-{
- struct xen_guest *guest = NULL;
-
- TAILQ_FOREACH(guest, &guest_root, next) {
- if(guest->dom_id == dom_id)
- return guest;
- }
-
- return NULL;
-}
-
-
-static struct xen_guest *
-add_xen_guest(int32_t dom_id)
-{
- struct xen_guest *guest = NULL;
-
- if ((guest = get_xen_guest(dom_id)) != NULL)
- return guest;
-
- guest = calloc(1, sizeof(struct xen_guest));
- if (guest) {
- RTE_LOG(ERR, XENHOST, " %s: return newly created guest with %d rings\n", __func__, guest->vring_num);
- TAILQ_INSERT_TAIL(&guest_root, guest, next);
- guest->dom_id = dom_id;
- }
-
- return guest;
-}
-
-static void
-cleanup_device(struct virtio_net_config_ll *ll_dev)
-{
- if (ll_dev == NULL)
- return;
- if (ll_dev->dev.virtqueue_rx) {
- rte_free(ll_dev->dev.virtqueue_rx);
- ll_dev->dev.virtqueue_rx = NULL;
- }
- if (ll_dev->dev.virtqueue_tx) {
- rte_free(ll_dev->dev.virtqueue_tx);
- ll_dev->dev.virtqueue_tx = NULL;
- }
- free(ll_dev);
-}
-
-/*
- * Add entry containing a device to the device configuration linked list.
- */
-static void
-add_config_ll_entry(struct virtio_net_config_ll *new_ll_dev)
-{
- struct virtio_net_config_ll *ll_dev = ll_root;
-
- /* If ll_dev == NULL then this is the first device so go to else */
- if (ll_dev) {
- /* If the 1st device_id != 0 then we insert our device here. */
- if (ll_dev->dev.device_fh != 0) {
- new_ll_dev->dev.device_fh = 0;
- new_ll_dev->next = ll_dev;
- ll_root = new_ll_dev;
- } else {
- /* increment through the ll until we find un unused device_id,
- * insert the device at that entry
- */
- while ((ll_dev->next != NULL) && (ll_dev->dev.device_fh == (ll_dev->next->dev.device_fh - 1)))
- ll_dev = ll_dev->next;
-
- new_ll_dev->dev.device_fh = ll_dev->dev.device_fh + 1;
- new_ll_dev->next = ll_dev->next;
- ll_dev->next = new_ll_dev;
- }
- } else {
- ll_root = new_ll_dev;
- ll_root->dev.device_fh = 0;
- }
-}
-
-
-/*
- * Remove an entry from the device configuration linked list.
- */
-static struct virtio_net_config_ll *
-rm_config_ll_entry(struct virtio_net_config_ll *ll_dev, struct virtio_net_config_ll *ll_dev_last)
-{
- /* First remove the device and then clean it up. */
- if (ll_dev == ll_root) {
- ll_root = ll_dev->next;
- cleanup_device(ll_dev);
- return ll_root;
- } else {
- ll_dev_last->next = ll_dev->next;
- cleanup_device(ll_dev);
- return ll_dev_last->next;
- }
-}
-
-/*
- * Retrieves an entry from the devices configuration linked list.
- */
-static struct virtio_net_config_ll *
-get_config_ll_entry(unsigned int virtio_idx, unsigned int dom_id)
-{
- struct virtio_net_config_ll *ll_dev = ll_root;
-
- /* Loop through linked list until the dom_id is found. */
- while (ll_dev != NULL) {
- if (ll_dev->dev.dom_id == dom_id && ll_dev->dev.virtio_idx == virtio_idx)
- return ll_dev;
- ll_dev = ll_dev->next;
- }
-
- return NULL;
-}
-
-/*
- * Initialise all variables in device structure.
- */
-static void
-init_dev(struct virtio_net *dev)
-{
- RTE_SET_USED(dev);
-}
-
-
-static struct
-virtio_net_config_ll *new_device(unsigned int virtio_idx, struct xen_guest *guest)
-{
- struct virtio_net_config_ll *new_ll_dev;
- struct vhost_virtqueue *virtqueue_rx, *virtqueue_tx;
- size_t size, vq_ring_size, vq_size = VQ_DESC_NUM;
- void *vq_ring_virt_mem;
- uint64_t gpa;
- uint32_t i;
-
- /* Setup device and virtqueues. */
- new_ll_dev = calloc(1, sizeof(struct virtio_net_config_ll));
- virtqueue_rx = rte_zmalloc(NULL, sizeof(struct vhost_virtqueue), RTE_CACHE_LINE_SIZE);
- virtqueue_tx = rte_zmalloc(NULL, sizeof(struct vhost_virtqueue), RTE_CACHE_LINE_SIZE);
- if (new_ll_dev == NULL || virtqueue_rx == NULL || virtqueue_tx == NULL)
- goto err;
-
- new_ll_dev->dev.virtqueue_rx = virtqueue_rx;
- new_ll_dev->dev.virtqueue_tx = virtqueue_tx;
- new_ll_dev->dev.dom_id = guest->dom_id;
- new_ll_dev->dev.virtio_idx = virtio_idx;
- /* Initialise device and virtqueues. */
- init_dev(&new_ll_dev->dev);
-
- size = vring_size(vq_size, VIRTIO_PCI_VRING_ALIGN);
- vq_ring_size = RTE_ALIGN_CEIL(size, VIRTIO_PCI_VRING_ALIGN);
- (void)vq_ring_size;
-
- vq_ring_virt_mem = guest->vring[virtio_idx].rxvring_addr;
- vq_vring_init(virtqueue_rx, vq_size, vq_ring_virt_mem, VIRTIO_PCI_VRING_ALIGN);
- virtqueue_rx->size = vq_size;
- virtqueue_rx->vhost_hlen = sizeof(struct virtio_net_hdr);
-
- vq_ring_virt_mem = guest->vring[virtio_idx].txvring_addr;
- vq_vring_init(virtqueue_tx, vq_size, vq_ring_virt_mem, VIRTIO_PCI_VRING_ALIGN);
- virtqueue_tx->size = vq_size;
- memcpy(&new_ll_dev->dev.mac_address, &guest->vring[virtio_idx].addr, sizeof(struct ether_addr));
-
- /* virtio_memory has to be one per domid */
- new_ll_dev->dev.mem = malloc(sizeof(struct virtio_memory) + sizeof(struct virtio_memory_regions) * MAX_XENVIRT_MEMPOOL);
- new_ll_dev->dev.mem->nregions = guest->pool_num;
- for (i = 0; i < guest->pool_num; i++) {
- gpa = new_ll_dev->dev.mem->regions[i].guest_phys_address =
- (uint64_t)((uintptr_t)guest->mempool[i].gva);
- new_ll_dev->dev.mem->regions[i].guest_phys_address_end =
- gpa + guest->mempool[i].mempfn_num * getpagesize();
- new_ll_dev->dev.mem->regions[i].address_offset =
- (uint64_t)((uintptr_t)guest->mempool[i].hva -
- (uintptr_t)gpa);
- }
-
- new_ll_dev->next = NULL;
-
- /* Add entry to device configuration linked list. */
- add_config_ll_entry(new_ll_dev);
- return new_ll_dev;
-err:
- free(new_ll_dev);
- rte_free(virtqueue_rx);
- rte_free(virtqueue_tx);
-
- return NULL;
-}
-
-static void
-destroy_guest(struct xen_guest *guest)
-{
- uint32_t i;
-
- for (i = 0; i < guest->vring_num; i++)
- cleanup_vring(&guest->vring[i]);
- /* clean mempool */
- for (i = 0; i < guest->pool_num; i++)
- cleanup_mempool(&guest->mempool[i]);
- free(guest);
-
- return;
-}
-
-/*
- * This function will cleanup the device and remove it from device configuration linked list.
- */
-static void
-destroy_device(unsigned int virtio_idx, unsigned int dom_id)
-{
- struct virtio_net_config_ll *ll_dev_cur_ctx, *ll_dev_last = NULL;
- struct virtio_net_config_ll *ll_dev_cur = ll_root;
-
- /* clean virtio device */
- struct xen_guest *guest = NULL;
- guest = get_xen_guest(dom_id);
- if (guest == NULL)
- return;
-
- /* Find the linked list entry for the device to be removed. */
- ll_dev_cur_ctx = get_config_ll_entry(virtio_idx, dom_id);
- while (ll_dev_cur != NULL) {
- /* If the device is found or a device that doesn't exist is found then it is removed. */
- if (ll_dev_cur == ll_dev_cur_ctx) {
- if ((ll_dev_cur->dev.flags & VIRTIO_DEV_RUNNING))
- notify_ops->destroy_device(&(ll_dev_cur->dev));
- ll_dev_cur = rm_config_ll_entry(ll_dev_cur, ll_dev_last);
- } else {
- ll_dev_last = ll_dev_cur;
- ll_dev_cur = ll_dev_cur->next;
- }
- }
- RTE_LOG(INFO, XENHOST, " %s guest:%p vring:%p rxvring:%p txvring:%p flag:%p\n",
- __func__, guest, &guest->vring[virtio_idx], guest->vring[virtio_idx].rxvring_addr, guest->vring[virtio_idx].txvring_addr, guest->vring[virtio_idx].flag);
- cleanup_vring(&guest->vring[virtio_idx]);
- guest->vring[virtio_idx].removed = 1;
- guest->vring_num -= 1;
-}
-
-
-
-
-static void
-watch_unmap_event(void)
-{
- int i;
- struct xen_guest *guest = NULL;
- bool remove_request;
-
- TAILQ_FOREACH(guest, &guest_root, next) {
- for (i = 0; i < MAX_VIRTIO; i++) {
- if (guest->vring[i].dom_id && guest->vring[i].removed == 0 && *guest->vring[i].flag == 0) {
- RTE_LOG(INFO, XENHOST, "\n\n");
- RTE_LOG(INFO, XENHOST, " #####%s: (%d, %d) to be removed\n",
- __func__,
- guest->vring[i].dom_id,
- i);
- destroy_device(i, guest->dom_id);
- RTE_LOG(INFO, XENHOST, " %s: DOM %u, vring num: %d\n",
- __func__,
- guest->dom_id,
- guest->vring_num);
- }
- }
- }
-
-_find_next_remove:
- guest = NULL;
- remove_request = false;
- TAILQ_FOREACH(guest, &guest_root, next) {
- if (guest->vring_num == 0) {
- remove_request = true;
- break;
- }
- }
- if (remove_request == true) {
- TAILQ_REMOVE(&guest_root, guest, next);
- RTE_LOG(INFO, XENHOST, " #####%s: destroy guest (%d)\n", __func__, guest->dom_id);
- destroy_guest(guest);
- goto _find_next_remove;
- }
- return;
-}
-
-/*
- * OK, if the guest starts first, it is ok.
- * if host starts first, it is ok.
- * if guest starts, and has run for sometime, and host stops and restarts,
- * then last_used_idx 0? how to solve this. */
-
-static void virtio_init(void)
-{
- uint32_t len, e_num;
- uint32_t i,j;
- char **dom;
- char *status;
- int dom_id;
- char path[PATH_MAX];
- char node[PATH_MAX];
- xs_transaction_t th;
- struct xen_guest *guest;
- struct virtio_net_config_ll *net_config;
- char *end;
- int val;
-
- /* init env for watch the node */
- if (init_watch() < 0)
- return;
-
- dom = xs_directory(watch.xs, XBT_NULL, "/local/domain", &e_num);
-
- for (i = 0; i < e_num; i++) {
- errno = 0;
- dom_id = strtol(dom[i], &end, 0);
- if (errno != 0 || end == NULL || dom_id == 0)
- continue;
-
- for (j = 0; j < RTE_MAX_ETHPORTS; j++) {
- snprintf(node, PATH_MAX, "%s%d", VIRTIO_START, j);
- snprintf(path, PATH_MAX, XEN_VM_NODE_FMT,
- dom_id, node);
-
- th = xs_transaction_start(watch.xs);
- status = xs_read(watch.xs, th, path, &len);
- xs_transaction_end(watch.xs, th, false);
-
- if (status == NULL)
- break;
-
- /* if there's any valid virtio device */
- errno = 0;
- val = strtol(status, &end, 0);
- if (errno != 0 || end == NULL || dom_id == 0)
- val = 0;
- if (val == 1) {
- guest = add_xen_guest(dom_id);
- if (guest == NULL)
- continue;
- RTE_LOG(INFO, XENHOST, " there's a new virtio existed, new a virtio device\n\n");
-
- RTE_LOG(INFO, XENHOST, " parse_vringnode dom_id %d virtioidx %d\n",dom_id,j);
- if (parse_vringnode(guest, j)) {
- RTE_LOG(ERR, XENHOST, " there is invalid information in xenstore\n");
- TAILQ_REMOVE(&guest_root, guest, next);
- destroy_guest(guest);
-
- continue;
- }
-
- /*if pool_num > 0, then mempool has already been parsed*/
- if (guest->pool_num == 0 && parse_mempoolnode(guest)) {
- RTE_LOG(ERR, XENHOST, " there is error information in xenstore\n");
- TAILQ_REMOVE(&guest_root, guest, next);
- destroy_guest(guest);
- continue;
- }
-
- net_config = new_device(j, guest);
- /* every thing is ready now, added into data core */
- notify_ops->new_device(&net_config->dev);
- }
- }
- }
-
- free(dom);
- return;
-}
-
-void
-virtio_monitor_loop(void)
-{
- char **vec;
- xs_transaction_t th;
- char *buf;
- unsigned int len;
- unsigned int dom_id;
- uint32_t virtio_idx;
- struct xen_guest *guest;
- struct virtio_net_config_ll *net_config;
- enum fieldnames {
- FLD_NULL = 0,
- FLD_LOCAL,
- FLD_DOMAIN,
- FLD_ID,
- FLD_CONTROL,
- FLD_DPDK,
- FLD_NODE,
- _NUM_FLD
- };
- char *str_fld[_NUM_FLD];
- char *str;
- char *end;
-
- virtio_init();
- while (1) {
- watch_unmap_event();
-
- usleep(50);
- vec = xs_check_watch(watch.xs);
-
- if (vec == NULL)
- continue;
-
- th = xs_transaction_start(watch.xs);
-
- buf = xs_read(watch.xs, th, vec[XS_WATCH_PATH],&len);
- xs_transaction_end(watch.xs, th, false);
-
- if (buf) {
- /* theres' some node for vhost existed */
- if (rte_strsplit(vec[XS_WATCH_PATH], strnlen(vec[XS_WATCH_PATH], PATH_MAX),
- str_fld, _NUM_FLD, '/') == _NUM_FLD) {
- if (strstr(str_fld[FLD_NODE], VIRTIO_START)) {
- errno = 0;
- str = str_fld[FLD_ID];
- dom_id = strtoul(str, &end, 0);
- if (errno != 0 || end == NULL || end == str ) {
- RTE_LOG(INFO, XENHOST, "invalid domain id\n");
- continue;
- }
-
- errno = 0;
- str = str_fld[FLD_NODE] + sizeof(VIRTIO_START) - 1;
- virtio_idx = strtoul(str, &end, 0);
- if (errno != 0 || end == NULL || end == str
- || virtio_idx > MAX_VIRTIO) {
- RTE_LOG(INFO, XENHOST, "invalid virtio idx\n");
- continue;
- }
- RTE_LOG(INFO, XENHOST, " #####virtio dev (%d, %d) is started\n", dom_id, virtio_idx);
-
- guest = add_xen_guest(dom_id);
- if (guest == NULL)
- continue;
- guest->dom_id = dom_id;
- if (parse_vringnode(guest, virtio_idx)) {
- RTE_LOG(ERR, XENHOST, " there is invalid information in xenstore\n");
- /*guest newly created? guest existed ?*/
- TAILQ_REMOVE(&guest_root, guest, next);
- destroy_guest(guest);
- continue;
- }
- /*if pool_num > 0, then mempool has already been parsed*/
- if (guest->pool_num == 0 && parse_mempoolnode(guest)) {
- RTE_LOG(ERR, XENHOST, " there is error information in xenstore\n");
- TAILQ_REMOVE(&guest_root, guest, next);
- destroy_guest(guest);
- continue;
- }
-
-
- net_config = new_device(virtio_idx, guest);
- RTE_LOG(INFO, XENHOST, " Add to dataplane core\n");
- notify_ops->new_device(&net_config->dev);
-
- }
- }
- }
-
- free(vec);
- }
- return;
-}
-
-/*
- * Register ops so that we can add/remove device to data core.
- */
-int
-init_virtio_xen(struct virtio_net_device_ops const *const ops)
-{
- notify_ops = ops;
- if (xenhost_init())
- return -1;
- return 0;
-}
diff --git a/examples/vhost_xen/virtio-net.h b/examples/vhost_xen/virtio-net.h
deleted file mode 100644
index ab69726..0000000
--- a/examples/vhost_xen/virtio-net.h
+++ /dev/null
@@ -1,113 +0,0 @@
-/*-
- * BSD LICENSE
- *
- * Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- * * Neither the name of Intel Corporation nor the names of its
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef _VIRTIO_NET_H_
-#define _VIRTIO_NET_H_
-
-#include <stdint.h>
-
-#define VQ_DESC_NUM 256
-/* Used to indicate that the device is running on a data core */
-#define VIRTIO_DEV_RUNNING 1
-
-/*
- * Structure contains variables relevant to TX/RX virtqueues.
- */
-struct vhost_virtqueue
-{
- struct vring_desc *desc; /* Virtqueue descriptor ring. */
- struct vring_avail *avail; /* Virtqueue available ring. */
- struct vring_used *used; /* Virtqueue used ring. */
- uint32_t size; /* Size of descriptor ring. */
- uint32_t vhost_hlen; /* Vhost header length (varies depending on RX merge buffers. */
- volatile uint16_t last_used_idx; /* Last index used on the available ring */
- volatile uint16_t last_used_idx_res; /* Used for multiple devices reserving buffers. */
-} __rte_cache_aligned;
-
-/*
- * Device structure contains all configuration information relating to the device.
- */
-struct virtio_net
-{
- struct vhost_virtqueue *virtqueue_tx; /* Contains all TX virtqueue information. */
- struct vhost_virtqueue *virtqueue_rx; /* Contains all RX virtqueue information. */
- struct virtio_memory *mem; /* QEMU memory and memory region information. */
- struct ether_addr mac_address; /* Device MAC address (Obtained on first TX packet). */
- uint32_t flags; /* Device flags. Only used to check if device is running on data core. */
- uint32_t vlan_tag; /* Vlan tag for device. Currently set to device_id (0-63). */
- uint32_t vmdq_rx_q;
- uint64_t device_fh; /* device identifier. */
- uint16_t coreid;
- volatile uint8_t ready; /* A device is set as ready if the MAC address has been set. */
- volatile uint8_t remove; /* Device is marked for removal from the data core. */
- uint32_t virtio_idx; /* Index of virtio device */
- uint32_t dom_id; /* Domain id of xen guest */
-} ___rte_cache_aligned;
-
-/*
- * Device linked list structure for configuration.
- */
-struct virtio_net_config_ll
-{
- struct virtio_net dev; /* Virtio device. */
- struct virtio_net_config_ll *next; /* Next entry on linked list. */
-};
-
-/*
- * Information relating to memory regions including offsets to addresses in QEMUs memory file.
- */
-struct virtio_memory_regions {
- uint64_t guest_phys_address; /* Base guest physical address of region. */
- uint64_t guest_phys_address_end; /* End guest physical address of region. */
- uint64_t memory_size; /* Size of region. */
- uint64_t userspace_address; /* Base userspace address of region. */
- uint64_t address_offset; /* Offset of region for address translation. */
-};
-
-/*
- * Memory structure includes region and mapping information.
- */
-struct virtio_memory {
- uint32_t nregions; /* Number of memory regions. */
- struct virtio_memory_regions regions[0]; /* Memory region information. */
-};
-
-/*
- * Device operations to add/remove device.
- */
-struct virtio_net_device_ops {
- int (* new_device)(struct virtio_net *); /* Add device. */
- void (* destroy_device) (volatile struct virtio_net *); /* Remove device. */
-};
-
-#endif
diff --git a/examples/vhost_xen/xen_vhost.h b/examples/vhost_xen/xen_vhost.h
deleted file mode 100644
index 2fc304c..0000000
--- a/examples/vhost_xen/xen_vhost.h
+++ /dev/null
@@ -1,148 +0,0 @@
-/*-
- * BSD LICENSE
- *
- * Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- * * Neither the name of Intel Corporation nor the names of its
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef _XEN_VHOST_H_
-#define _XEN_VHOST_H_
-
-#include <stdint.h>
-
-#include <rte_ether.h>
-
-#include "virtio-net.h"
-
-#define RTE_LOGTYPE_XENHOST RTE_LOGTYPE_USER1
-
-#define XEN_VM_ROOTNODE_FMT "/local/domain/%d/control/dpdk"
-#define XEN_VM_NODE_FMT "/local/domain/%d/control/dpdk/%s"
-#define XEN_MEMPOOL_SUFFIX "mempool_gref"
-#define XEN_RXVRING_SUFFIX "rx_vring_gref"
-#define XEN_TXVRING_SUFFIX "tx_vring_gref"
-#define XEN_GVA_SUFFIX "mempool_va"
-#define XEN_VRINGFLAG_SUFFIX "vring_flag"
-#define XEN_ADDR_SUFFIX "ether_addr"
-#define VIRTIO_START "event_type_start_"
-
-#define XEN_GREF_SPLITTOKEN ','
-
-#define MAX_XENVIRT_MEMPOOL 16
-#define MAX_VIRTIO 32
-#define MAX_GREF_PER_NODE 64 /* 128 MB memory */
-
-#define PAGE_SIZE 4096
-#define PAGE_PFNNUM (PAGE_SIZE / sizeof(uint32_t))
-
-#define XEN_GNTDEV_FNAME "/dev/xen/gntdev"
-
-/* xen grant reference info in one grant node */
-struct xen_gnt {
- uint32_t gref; /* grant reference for this node */
- union {
- int gref; /* grant reference */
- uint32_t pfn_num; /* guest pfn number of grant reference */
- } gref_pfn[PAGE_PFNNUM];
-}__attribute__((__packed__));
-
-
-/* structure for mempool or vring node list */
-struct xen_gntnode {
- uint32_t gnt_num; /* grant reference number */
- struct xen_gnt *gnt_info; /* grant reference info */
-};
-
-
-struct xen_vring {
- uint32_t dom_id;
- uint32_t virtio_idx; /* index of virtio device */
- void *rxvring_addr; /* mapped virtual address of rxvring */
- void *txvring_addr; /* mapped virtual address of txvring */
- uint32_t rxpfn_num; /* number of gpfn for rxvring */
- uint32_t txpfn_num; /* number of gpfn for txvring */
- uint32_t *rxpfn_tbl; /* array of rxvring gpfn */
- uint32_t *txpfn_tbl; /* array of txvring gpfn */
- uint64_t *rx_pindex; /* index used to release rx grefs */
- uint64_t *tx_pindex; /* index used to release tx grefs */
- uint64_t flag_index;
- uint8_t *flag; /* cleared to zero on guest unmap */
- struct ether_addr addr; /* ethernet address of virtio device */
- uint8_t removed;
-
-};
-
-struct xen_mempool {
- uint32_t dom_id; /* guest domain id */
- uint32_t pool_idx; /* index of memory pool */
- void *gva; /* guest virtual address of mbuf pool */
- void *hva; /* host virtual address of mbuf pool */
- uint32_t mempfn_num; /* number of gpfn for mbuf pool */
- uint32_t *mempfn_tbl; /* array of mbuf pool gpfn */
- uint64_t *pindex; /* index used to release grefs */
-};
-
-struct xen_guest {
- TAILQ_ENTRY(xen_guest) next;
- int32_t dom_id; /* guest domain id */
- uint32_t pool_num; /* number of mbuf pool of the guest */
- uint32_t vring_num; /* number of virtio ports of the guest */
- /* array contain the guest mbuf pool info */
- struct xen_mempool mempool[MAX_XENVIRT_MEMPOOL];
- /* array contain the guest rx/tx vring info */
- struct xen_vring vring[MAX_VIRTIO];
-};
-
-TAILQ_HEAD(xen_guestlist, xen_guest);
-
-int
-parse_mempoolnode(struct xen_guest *guest);
-
-int
-xenhost_init(void);
-
-int
-parse_vringnode(struct xen_guest *guest, uint32_t virtio_idx);
-
-int
-parse_mempoolnode(struct xen_guest *guest);
-
-void
-cleanup_mempool(struct xen_mempool *mempool);
-
-void
-cleanup_vring(struct xen_vring *vring);
-
-void
-virtio_monitor_loop(void);
-
-int
-init_virtio_xen(struct virtio_net_device_ops const * const);
-
-#endif
diff --git a/examples/vhost_xen/xenstore_parse.c b/examples/vhost_xen/xenstore_parse.c
deleted file mode 100644
index ab089f1..0000000
--- a/examples/vhost_xen/xenstore_parse.c
+++ /dev/null
@@ -1,775 +0,0 @@
-/*-
- * BSD LICENSE
- *
- * Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- * * Neither the name of Intel Corporation nor the names of its
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include <stdint.h>
-#include <unistd.h>
-#include <inttypes.h>
-#include <errno.h>
-#include <fcntl.h>
-#include <sys/ioctl.h>
-#include <sys/mman.h>
-#include <xen/sys/gntalloc.h>
-#include <xen/sys/gntdev.h>
-#include <xen/xen-compat.h>
-#if __XEN_LATEST_INTERFACE_VERSION__ < 0x00040200
-#include <xs.h>
-#else
-#include <xenstore.h>
-#endif
-
-#include <rte_common.h>
-#include <rte_memory.h>
-#include <rte_eal.h>
-#include <rte_malloc.h>
-#include <rte_string_fns.h>
-#include <rte_log.h>
-#include <rte_debug.h>
-
-#include "xen_vhost.h"
-
-/* xenstore handle */
-static struct xs_handle *xs = NULL;
-
-/* gntdev file descriptor to map grant pages */
-static int d_fd = -1;
-
-/*
- * The grant node format in xenstore for vring/mpool is like:
- * idx#_rx_vring_gref = "gref1#, gref2#, gref3#"
- * idx#_mempool_gref = "gref1#, gref2#, gref3#"
- * each gref# is the grant reference for a shared page.
- * In each shared page, we store the grant_node_item items.
- */
-struct grant_node_item {
- uint32_t gref;
- uint32_t pfn;
-} __attribute__((packed));
-
-int cmdline_parse_etheraddr(void *tk, const char *srcbuf,
- void *res, unsigned ressize);
-
-/* Map grant ref refid at addr_ori*/
-static void *
-xen_grant_mmap(void *addr_ori, int domid, int refid, uint64_t *pindex)
-{
- struct ioctl_gntdev_map_grant_ref arg;
- void *addr = NULL;
- int pg_sz = getpagesize();
-
- arg.count = 1;
- arg.refs[0].domid = domid;
- arg.refs[0].ref = refid;
-
- int rv = ioctl(d_fd, IOCTL_GNTDEV_MAP_GRANT_REF, &arg);
- if (rv) {
- RTE_LOG(ERR, XENHOST, " %s: (%d,%d) %s (ioctl failed)\n", __func__,
- domid, refid, strerror(errno));
- return NULL;
- }
-
- if (addr_ori == NULL)
- addr = mmap(addr_ori, pg_sz, PROT_READ|PROT_WRITE, MAP_SHARED,
- d_fd, arg.index);
- else
- addr = mmap(addr_ori, pg_sz, PROT_READ|PROT_WRITE, MAP_SHARED | MAP_FIXED,
- d_fd, arg.index);
-
- if (addr == MAP_FAILED) {
- RTE_LOG(ERR, XENHOST, " %s: (%d, %d) %s (map failed)\n", __func__,
- domid, refid, strerror(errno));
- return NULL;
- }
-
- if (pindex)
- *pindex = arg.index;
-
- return addr;
-}
-
-/* Unmap one grant ref, and munmap must be called before this */
-static int
-xen_unmap_grant_ref(uint64_t index)
-{
- struct ioctl_gntdev_unmap_grant_ref arg;
- int rv;
-
- arg.count = 1;
- arg.index = index;
- rv = ioctl(d_fd, IOCTL_GNTDEV_UNMAP_GRANT_REF, &arg);
- if (rv) {
- RTE_LOG(ERR, XENHOST, " %s: index 0x%" PRIx64 "unmap failed\n", __func__, index);
- return -1;
- }
- return 0;
-}
-
-/*
- * Reserve a virtual address space.
- * On success, returns the pointer. On failure, returns NULL.
- */
-static void *
-get_xen_virtual(size_t size, size_t page_sz)
-{
- void *addr;
- uintptr_t aligned_addr;
-
- addr = mmap(NULL, size + page_sz, PROT_READ, MAP_SHARED | MAP_ANONYMOUS, -1, 0);
- if (addr == MAP_FAILED) {
- RTE_LOG(ERR, XENHOST, "failed get a virtual area\n");
- return NULL;
- }
-
- aligned_addr = RTE_ALIGN_CEIL((uintptr_t)addr, page_sz);
- munmap(addr, aligned_addr - (uintptr_t)addr);
- munmap((void *)(aligned_addr + size), page_sz + (uintptr_t)addr - aligned_addr);
- addr = (void *)(aligned_addr);
-
- return addr;
-}
-
-static void
-free_xen_virtual(void *addr, size_t size, size_t page_sz __rte_unused)
-{
- if (addr)
- munmap(addr, size);
-}
-
-/*
- * Returns val str in xenstore.
- * @param path
- * Full path string for key
- * @return
- * Pointer to Val str, NULL on failure
- */
-static char *
-xen_read_node(char *path, uint32_t *len)
-{
- char *buf;
-
- buf = xs_read(xs, XBT_NULL, path, len);
- return buf;
-}
-
-static int
-cal_pagenum(struct xen_gnt *gnt)
-{
- unsigned int i;
- /*
- * the items in the page are in the format of
- * gref#,pfn#,...,gref#,pfn#
- * FIXME, 0 is reserved by system, use it as terminator.
- */
- for (i = 0; i < (PAGE_PFNNUM) / 2; i++) {
- if (gnt->gref_pfn[i * 2].gref <= 0)
- break;
- }
-
- return i;
-}
-
-/* Frees memory allocated to a grant node */
-static void
-xen_free_gntnode(struct xen_gntnode *gntnode)
-{
- if (gntnode == NULL)
- return;
- free(gntnode->gnt_info);
- free(gntnode);
-}
-
-/*
- * Parse a grant node.
- * @param domid
- * Guest domain id.
- * @param path
- * Full path string for a grant node, like for the following (key, val) pair
- * idx#_mempool_gref = "gref#, gref#, gref#"
- * path = 'local/domain/domid/control/dpdk/idx#_mempool_gref'
- * gref# is a shared page contain packed (gref,pfn) entries
- * @return
- * Returns the pointer to xen_gntnode
- */
-static struct xen_gntnode *
-parse_gntnode(int dom_id, char *path)
-{
- char **gref_list = NULL;
- uint32_t i, len, gref_num;
- void *addr = NULL;
- char *buf = NULL;
- struct xen_gntnode *gntnode = NULL;
- struct xen_gnt *gnt = NULL;
- int pg_sz = getpagesize();
- char *end;
- uint64_t index;
-
- if ((buf = xen_read_node(path, &len)) == NULL)
- goto err;
-
- gref_list = malloc(MAX_GREF_PER_NODE * sizeof(char *));
- if (gref_list == NULL)
- goto err;
-
- gref_num = rte_strsplit(buf, len, gref_list, MAX_GREF_PER_NODE,
- XEN_GREF_SPLITTOKEN);
- if (gref_num == 0) {
- RTE_LOG(ERR, XENHOST, " %s: invalid grant node format\n", __func__);
- goto err;
- }
-
- gntnode = calloc(1, sizeof(struct xen_gntnode));
- gnt = calloc(gref_num, sizeof(struct xen_gnt));
- if (gnt == NULL || gntnode == NULL)
- goto err;
-
- for (i = 0; i < gref_num; i++) {
- errno = 0;
- gnt[i].gref = strtol(gref_list[i], &end, 0);
- if (errno != 0 || end == NULL || end == gref_list[i] ||
- (*end != '\0' && *end != XEN_GREF_SPLITTOKEN)) {
- RTE_LOG(ERR, XENHOST, " %s: parse grant node item failed\n", __func__);
- goto err;
- }
- addr = xen_grant_mmap(NULL, dom_id, gnt[i].gref, &index);
- if (addr == NULL) {
- RTE_LOG(ERR, XENHOST, " %s: map gref %u failed\n", __func__, gnt[i].gref);
- goto err;
- }
- RTE_LOG(INFO, XENHOST, " %s: map gref %u to %p\n", __func__, gnt[i].gref, addr);
- memcpy(gnt[i].gref_pfn, addr, pg_sz);
- if (munmap(addr, pg_sz)) {
- RTE_LOG(INFO, XENHOST, " %s: unmap gref %u failed\n", __func__, gnt[i].gref);
- goto err;
- }
- if (xen_unmap_grant_ref(index)) {
- RTE_LOG(INFO, XENHOST, " %s: release gref %u failed\n", __func__, gnt[i].gref);
- goto err;
- }
-
- }
-
- gntnode->gnt_num = gref_num;
- gntnode->gnt_info = gnt;
-
- free(buf);
- free(gref_list);
- return gntnode;
-
-err:
- free(gnt);
- free(gntnode);
- free(gref_list);
- free(buf);
- return NULL;
-}
-
-/*
- * This function maps grant node of vring or mbuf pool to a continuous virtual address space,
- * and returns mapped address, pfn array, index array
- * @param gntnode
- * Pointer to grant node
- * @param domid
- * Guest domain id
- * @param ppfn
- * Pointer to pfn array, caller should free this array
- * @param pgs
- * Pointer to number of pages
- * @param ppindex
- * Pointer to index array, used to release grefs when to free this node
- * @return
- * Pointer to mapped virtual address, NULL on failure
- */
-static void *
-map_gntnode(struct xen_gntnode *gntnode, int domid, uint32_t **ppfn, uint32_t *pgs, uint64_t **ppindex)
-{
- struct xen_gnt *gnt;
- uint32_t i, j;
- size_t total_pages = 0;
- void *addr;
- uint32_t *pfn;
- uint64_t *pindex;
- uint32_t pfn_num = 0;
- int pg_sz;
-
- if (gntnode == NULL)
- return NULL;
-
- pg_sz = getpagesize();
- for (i = 0; i < gntnode->gnt_num; i++) {
- gnt = gntnode->gnt_info + i;
- total_pages += cal_pagenum(gnt);
- }
- if ((addr = get_xen_virtual(total_pages * pg_sz, pg_sz)) == NULL) {
- RTE_LOG(ERR, XENHOST, " %s: failed get_xen_virtual\n", __func__);
- return NULL;
- }
- pfn = calloc(total_pages, (size_t)sizeof(uint32_t));
- pindex = calloc(total_pages, (size_t)sizeof(uint64_t));
- if (pfn == NULL || pindex == NULL) {
- free_xen_virtual(addr, total_pages * pg_sz, pg_sz);
- free(pfn);
- free(pindex);
- return NULL;
- }
-
- RTE_LOG(INFO, XENHOST, " %s: total pages:%zu, map to [%p, %p]\n", __func__, total_pages, addr, RTE_PTR_ADD(addr, total_pages * pg_sz - 1));
- for (i = 0; i < gntnode->gnt_num; i++) {
- gnt = gntnode->gnt_info + i;
- for (j = 0; j < (PAGE_PFNNUM) / 2; j++) {
- if ((gnt->gref_pfn[j * 2].gref) <= 0)
- goto _end;
- /*alternative: batch map, or through libxc*/
- if (xen_grant_mmap(RTE_PTR_ADD(addr, pfn_num * pg_sz),
- domid,
- gnt->gref_pfn[j * 2].gref,
- &pindex[pfn_num]) == NULL) {
- goto mmap_failed;
- }
- pfn[pfn_num] = gnt->gref_pfn[j * 2 + 1].pfn_num;
- pfn_num++;
- }
- }
-
-mmap_failed:
- if (pfn_num)
- munmap(addr, pfn_num * pg_sz);
- for (i = 0; i < pfn_num; i++) {
- xen_unmap_grant_ref(pindex[i]);
- }
- free(pindex);
- free(pfn);
- return NULL;
-
-_end:
- if (ppindex)
- *ppindex = pindex;
- else
- free(pindex);
- if (ppfn)
- *ppfn = pfn;
- else
- free(pfn);
- if (pgs)
- *pgs = total_pages;
-
- return addr;
-}
-
-static int
-parse_mpool_va(struct xen_mempool *mempool)
-{
- char path[PATH_MAX] = {0};
- char *buf;
- uint32_t len;
- char *end;
- int ret = -1;
-
- errno = 0;
- snprintf(path, sizeof(path),
- XEN_VM_ROOTNODE_FMT"/%d_"XEN_GVA_SUFFIX,
- mempool->dom_id, mempool->pool_idx);
-
- if((buf = xen_read_node(path, &len)) == NULL)
- goto out;
- mempool->gva = (void *)strtoul(buf, &end, 16);
- if (errno != 0 || end == NULL || end == buf || *end != '\0') {
- mempool->gva = NULL;
- goto out;
- }
- ret = 0;
-out:
- free(buf);
- return ret;
-}
-
-/*
- * map mbuf pool
- */
-static int
-map_mempoolnode(struct xen_gntnode *gntnode,
- struct xen_mempool *mempool)
-{
- if (gntnode == NULL || mempool == NULL)
- return -1;
-
- mempool->hva =
- map_gntnode(gntnode, mempool->dom_id, &mempool->mempfn_tbl, &mempool->mempfn_num, &mempool->pindex);
-
- RTE_LOG(INFO, XENHOST, " %s: map mempool at %p\n", __func__, (void *)mempool->hva);
- if (mempool->hva)
- return 0;
- else {
- return -1;
- }
-}
-
-void
-cleanup_mempool(struct xen_mempool *mempool)
-{
- int pg_sz = getpagesize();
- uint32_t i;
-
- if (mempool->hva)
- munmap(mempool->hva, mempool->mempfn_num * pg_sz);
- mempool->hva = NULL;
-
- if (mempool->pindex) {
- RTE_LOG(INFO, XENHOST, " %s: unmap dom %02u mempool%02u %u grefs\n",
- __func__,
- mempool->dom_id,
- mempool->pool_idx,
- mempool->mempfn_num);
- for (i = 0; i < mempool->mempfn_num; i ++) {
- xen_unmap_grant_ref(mempool->pindex[i]);
- }
- }
- mempool->pindex = NULL;
-
- free(mempool->mempfn_tbl);
- mempool->mempfn_tbl = NULL;
-}
-
-/*
- * process mempool node idx#_mempool_gref, idx = 0, 1, 2...
- * until we encounter a node that doesn't exist.
- */
-int
-parse_mempoolnode(struct xen_guest *guest)
-{
- uint32_t i, len;
- char path[PATH_MAX] = {0};
- struct xen_gntnode *gntnode = NULL;
- struct xen_mempool *mempool = NULL;
- char *buf;
-
- bzero(&guest->mempool, MAX_XENVIRT_MEMPOOL * sizeof(guest->mempool[0]));
- guest->pool_num = 0;
-
- while (1) {
- /* check if null terminated */
- snprintf(path, sizeof(path),
- XEN_VM_ROOTNODE_FMT"/%d_"XEN_MEMPOOL_SUFFIX,
- guest->dom_id,
- guest->pool_num);
-
- if ((buf = xen_read_node(path, &len)) != NULL) {
- /* this node exists */
- free(buf);
- } else {
- if (guest->pool_num == 0) {
- RTE_LOG(ERR, PMD, "no mempool found\n");
- return -1;
- }
- break;
- }
-
- mempool = &guest->mempool[guest->pool_num];
- mempool->dom_id = guest->dom_id;
- mempool->pool_idx = guest->pool_num;
-
- RTE_LOG(INFO, XENHOST, " %s: mempool %u parse gntnode %s\n", __func__, guest->pool_num, path);
- gntnode = parse_gntnode(guest->dom_id, path);
- if (gntnode == NULL)
- goto err;
-
- if (parse_mpool_va(mempool))
- goto err;
-
- RTE_LOG(INFO, XENHOST, " %s: mempool %u map gntnode %s\n", __func__, guest->pool_num, path);
- if (map_mempoolnode(gntnode, mempool))
- goto err;
-
- xen_free_gntnode(gntnode);
- guest->pool_num++;
- }
-
- return 0;
-err:
- if (gntnode)
- xen_free_gntnode(gntnode);
- for (i = 0; i < MAX_XENVIRT_MEMPOOL ; i++) {
- cleanup_mempool(&guest->mempool[i]);
- }
- /* reinitialise mempool */
- bzero(&guest->mempool, MAX_XENVIRT_MEMPOOL * sizeof(guest->mempool[0]));
- return -1;
-}
-
-static int
-xen_map_vringflag(struct xen_vring *vring)
-{
- char path[PATH_MAX] = {0};
- char *buf;
- uint32_t len,gref;
- int pg_sz = getpagesize();
- char *end;
-
- snprintf(path, sizeof(path),
- XEN_VM_ROOTNODE_FMT"/%d_"XEN_VRINGFLAG_SUFFIX,
- vring->dom_id, vring->virtio_idx);
-
- if((buf = xen_read_node(path, &len)) == NULL)
- goto err;
-
- errno = 0;
- gref = strtol(buf, &end, 0);
- if (errno != 0 || end == NULL || end == buf) {
- goto err;
- }
- vring->flag = xen_grant_mmap(0, vring->dom_id, gref, &vring->flag_index);
- if (vring->flag == NULL || *vring->flag == 0)
- goto err;
-
- free(buf);
- return 0;
-err:
- free(buf);
- if (vring->flag) {
- munmap(vring->flag, pg_sz);
- vring->flag = NULL;
- xen_unmap_grant_ref(vring->flag_index);
- }
- return -1;
-}
-
-
-static int
-xen_map_rxvringnode(struct xen_gntnode *gntnode,
- struct xen_vring *vring)
-{
- vring->rxvring_addr =
- map_gntnode(gntnode, vring->dom_id, &vring->rxpfn_tbl, &vring->rxpfn_num, &vring->rx_pindex);
- RTE_LOG(INFO, XENHOST, " %s: map rx vring at %p\n", __func__, (void *)vring->rxvring_addr);
- if (vring->rxvring_addr)
- return 0;
- else
- return -1;
-}
-
-static int
-xen_map_txvringnode(struct xen_gntnode *gntnode,
- struct xen_vring *vring)
-{
- vring->txvring_addr =
- map_gntnode(gntnode, vring->dom_id, &vring->txpfn_tbl, &vring->txpfn_num, &vring->tx_pindex);
- RTE_LOG(INFO, XENHOST, " %s: map tx vring at %p\n", __func__, (void *)vring->txvring_addr);
- if (vring->txvring_addr)
- return 0;
- else
- return -1;
-}
-
-void
-cleanup_vring(struct xen_vring *vring)
-{
- int pg_sz = getpagesize();
- uint32_t i;
-
- RTE_LOG(INFO, XENHOST, " %s: cleanup dom %u vring %u\n", __func__, vring->dom_id, vring->virtio_idx);
- if (vring->rxvring_addr) {
- munmap(vring->rxvring_addr, vring->rxpfn_num * pg_sz);
- RTE_LOG(INFO, XENHOST, " %s: unmap rx vring [%p, %p]\n",
- __func__,
- vring->rxvring_addr,
- RTE_PTR_ADD(vring->rxvring_addr,
- vring->rxpfn_num * pg_sz - 1));
- }
- vring->rxvring_addr = NULL;
-
-
- if (vring->rx_pindex) {
- RTE_LOG(INFO, XENHOST, " %s: unmap rx vring %u grefs\n", __func__, vring->rxpfn_num);
- for (i = 0; i < vring->rxpfn_num; i++) {
- xen_unmap_grant_ref(vring->rx_pindex[i]);
- }
- }
- vring->rx_pindex = NULL;
-
- free(vring->rxpfn_tbl);
- vring->rxpfn_tbl = NULL;
-
- if (vring->txvring_addr) {
- munmap(vring->txvring_addr, vring->txpfn_num * pg_sz);
- RTE_LOG(INFO, XENHOST, " %s: unmap tx vring [%p, %p]\n",
- __func__,
- vring->txvring_addr,
- RTE_PTR_ADD(vring->txvring_addr,
- vring->txpfn_num * pg_sz - 1));
- }
- vring->txvring_addr = NULL;
-
- if (vring->tx_pindex) {
- RTE_LOG(INFO, XENHOST, " %s: unmap tx vring %u grefs\n", __func__, vring->txpfn_num);
- for (i = 0; i < vring->txpfn_num; i++) {
- xen_unmap_grant_ref(vring->tx_pindex[i]);
- }
- }
- vring->tx_pindex = NULL;
-
- free(vring->txpfn_tbl);
- vring->txpfn_tbl = NULL;
-
- if (vring->flag) {
- if (!munmap((void *)vring->flag, pg_sz))
- RTE_LOG(INFO, XENHOST, " %s: unmap flag page at %p\n", __func__, vring->flag);
- if (!xen_unmap_grant_ref(vring->flag_index))
- RTE_LOG(INFO, XENHOST, " %s: release flag ref index 0x%" PRIx64 "\n", __func__, vring->flag_index);
- }
- vring->flag = NULL;
- return;
-}
-
-
-
-static int
-xen_parse_etheraddr(struct xen_vring *vring)
-{
- char path[PATH_MAX] = {0};
- char *buf;
- uint32_t len;
- int ret = -1;
-
- snprintf(path, sizeof(path),
- XEN_VM_ROOTNODE_FMT"/%d_"XEN_ADDR_SUFFIX,
- vring->dom_id, vring->virtio_idx);
-
- if ((buf = xen_read_node(path, &len)) == NULL)
- goto out;
-
- if (cmdline_parse_etheraddr(NULL, buf, &vring->addr,
- sizeof(vring->addr)) < 0)
- goto out;
- ret = 0;
-out:
- free(buf);
- return ret;
-}
-
-
-int
-parse_vringnode(struct xen_guest *guest, uint32_t virtio_idx)
-{
- char path[PATH_MAX] = {0};
- struct xen_gntnode *rx_gntnode = NULL;
- struct xen_gntnode *tx_gntnode = NULL;
- struct xen_vring *vring = NULL;
-
- /*check if null terminated */
- snprintf(path, sizeof(path),
- XEN_VM_ROOTNODE_FMT"/%d_"XEN_RXVRING_SUFFIX,
- guest->dom_id,
- virtio_idx);
-
- RTE_LOG(INFO, XENHOST, " %s: virtio %u parse rx gntnode %s\n", __func__, virtio_idx, path);
- rx_gntnode = parse_gntnode(guest->dom_id, path);
- if (rx_gntnode == NULL)
- goto err;
-
- /*check if null terminated */
- snprintf(path, sizeof(path),
- XEN_VM_ROOTNODE_FMT"/%d_"XEN_TXVRING_SUFFIX,
- guest->dom_id,
- virtio_idx);
-
- RTE_LOG(INFO, XENHOST, " %s: virtio %u parse tx gntnode %s\n", __func__, virtio_idx, path);
- tx_gntnode = parse_gntnode(guest->dom_id, path);
- if (tx_gntnode == NULL)
- goto err;
-
- vring = &guest->vring[virtio_idx];
- bzero(vring, sizeof(*vring));
- vring->dom_id = guest->dom_id;
- vring->virtio_idx = virtio_idx;
-
- if (xen_parse_etheraddr(vring) != 0)
- goto err;
-
- RTE_LOG(INFO, XENHOST, " %s: virtio %u map rx gntnode %s\n", __func__, virtio_idx, path);
- if (xen_map_rxvringnode(rx_gntnode, vring) != 0)
- goto err;
-
- RTE_LOG(INFO, XENHOST, " %s: virtio %u map tx gntnode %s\n", __func__, virtio_idx, path);
- if (xen_map_txvringnode(tx_gntnode, vring) != 0)
- goto err;
-
- if (xen_map_vringflag(vring) != 0)
- goto err;
-
- guest->vring_num++;
-
- xen_free_gntnode(rx_gntnode);
- xen_free_gntnode(tx_gntnode);
-
- return 0;
-
-err:
- if (rx_gntnode)
- xen_free_gntnode(rx_gntnode);
- if (tx_gntnode)
- xen_free_gntnode(tx_gntnode);
- if (vring) {
- cleanup_vring(vring);
- bzero(vring, sizeof(*vring));
- }
- return -1;
-}
-
-/*
- * Open xen grant dev driver
- * @return
- * 0 on success, -1 on failure.
- */
-static int
-xen_grant_init(void)
-{
- d_fd = open(XEN_GNTDEV_FNAME, O_RDWR);
-
- return d_fd == -1? (-1): (0);
-}
-
-/*
- * Initialise xenstore handle and open grant dev driver.
- * @return
- * 0 on success, -1 on failure.
- */
-int
-xenhost_init(void)
-{
- xs = xs_daemon_open();
- if (xs == NULL) {
- rte_panic("failed initialize xen daemon handler");
- return -1;
- }
- if (xen_grant_init())
- return -1;
- return 0;
-}
--
2.7.4
_______________________________________________
Xen-devel mailing list
Xen-devel@lists.xen.org
https://lists.xen.org/xen-devel
^ permalink raw reply related [flat|nested] 38+ messages in thread
* [PATCH 2/6] net/xenvirt: remove
2017-08-30 18:10 [PATCH 0/6] remove xen dom0 support in DPDK Jianfeng Tan
` (2 preceding siblings ...)
2017-08-30 18:10 ` [PATCH 2/6] net/xenvirt: remove Jianfeng Tan
@ 2017-08-30 18:10 ` Jianfeng Tan
2017-09-04 14:25 ` Bruce Richardson
2017-09-04 14:25 ` Bruce Richardson
2017-08-30 18:10 ` [PATCH 3/6] xen: remove xen dependency in app, examples, test Jianfeng Tan
` (6 subsequent siblings)
10 siblings, 2 replies; 38+ messages in thread
From: Jianfeng Tan @ 2017-08-30 18:10 UTC (permalink / raw)
To: dev
Cc: xen-devel, thomas, john.mcnamara, oao.m.martins, jerin.jacob,
shahafs, Jianfeng Tan
Signed-off-by: Jianfeng Tan <jianfeng.tan@intel.com>
---
MAINTAINERS | 2 -
app/test-pmd/Makefile | 4 -
app/test-pmd/testpmd.c | 12 -
config/common_base | 5 -
config/defconfig_arm-armv7a-linuxapp-gcc | 1 -
doc/guides/nics/features/xenvirt.ini | 6 -
drivers/net/Makefile | 2 -
drivers/net/xenvirt/Makefile | 57 --
drivers/net/xenvirt/rte_eth_xenvirt.c | 766 ------------------------
drivers/net/xenvirt/rte_eth_xenvirt.h | 61 --
drivers/net/xenvirt/rte_eth_xenvirt_version.map | 7 -
drivers/net/xenvirt/rte_mempool_gntalloc.c | 295 ---------
drivers/net/xenvirt/rte_xen_lib.c | 454 --------------
drivers/net/xenvirt/rte_xen_lib.h | 116 ----
drivers/net/xenvirt/virtio_logs.h | 70 ---
drivers/net/xenvirt/virtqueue.h | 273 ---------
mk/rte.app.mk | 1 -
pkg/dpdk.spec | 3 -
18 files changed, 2135 deletions(-)
delete mode 100644 doc/guides/nics/features/xenvirt.ini
delete mode 100644 drivers/net/xenvirt/Makefile
delete mode 100644 drivers/net/xenvirt/rte_eth_xenvirt.c
delete mode 100644 drivers/net/xenvirt/rte_eth_xenvirt.h
delete mode 100644 drivers/net/xenvirt/rte_eth_xenvirt_version.map
delete mode 100644 drivers/net/xenvirt/rte_mempool_gntalloc.c
delete mode 100644 drivers/net/xenvirt/rte_xen_lib.c
delete mode 100644 drivers/net/xenvirt/rte_xen_lib.h
delete mode 100644 drivers/net/xenvirt/virtio_logs.h
delete mode 100644 drivers/net/xenvirt/virtqueue.h
diff --git a/MAINTAINERS b/MAINTAINERS
index fe6c6db..003e72e 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -194,9 +194,7 @@ M: Jianfeng Tan <jianfeng.tan@intel.com>
F: lib/librte_eal/linuxapp/xen_dom0/
F: lib/librte_eal/linuxapp/eal/*xen*
F: lib/librte_eal/linuxapp/eal/include/exec-env/rte_dom0_common.h
-F: drivers/net/xenvirt/
F: doc/guides/xen/
-F: doc/guides/nics/features/xenvirt.ini
FreeBSD EAL (with overlaps)
M: Bruce Richardson <bruce.richardson@intel.com>
diff --git a/app/test-pmd/Makefile b/app/test-pmd/Makefile
index c36be19..b6e80dd 100644
--- a/app/test-pmd/Makefile
+++ b/app/test-pmd/Makefile
@@ -77,10 +77,6 @@ ifeq ($(CONFIG_RTE_LIBRTE_BNXT_PMD),y)
LDLIBS += -lrte_pmd_bnxt
endif
-ifeq ($(CONFIG_RTE_LIBRTE_PMD_XENVIRT),y)
-LDLIBS += -lrte_pmd_xenvirt
-endif
-
endif
CFLAGS_cmdline.o := -D_GNU_SOURCE
diff --git a/app/test-pmd/testpmd.c b/app/test-pmd/testpmd.c
index 7d40139..f8d02ae 100644
--- a/app/test-pmd/testpmd.c
+++ b/app/test-pmd/testpmd.c
@@ -76,9 +76,6 @@
#ifdef RTE_LIBRTE_IXGBE_PMD
#include <rte_pmd_ixgbe.h>
#endif
-#ifdef RTE_LIBRTE_PMD_XENVIRT
-#include <rte_eth_xenvirt.h>
-#endif
#ifdef RTE_LIBRTE_PDUMP
#include <rte_pdump.h>
#endif
@@ -497,15 +494,6 @@ mbuf_pool_create(uint16_t mbuf_seg_size, unsigned nb_mbuf,
"create a new mbuf pool <%s>: n=%u, size=%u, socket=%u\n",
pool_name, nb_mbuf, mbuf_seg_size, socket_id);
-#ifdef RTE_LIBRTE_PMD_XENVIRT
- rte_mp = rte_mempool_gntalloc_create(pool_name, nb_mbuf, mb_size,
- (unsigned) mb_mempool_cache,
- sizeof(struct rte_pktmbuf_pool_private),
- rte_pktmbuf_pool_init, NULL,
- rte_pktmbuf_init, NULL,
- socket_id, 0);
-#endif
-
/* if the former XEN allocation failed fall back to normal allocation */
if (rte_mp == NULL) {
if (mp_anon != 0) {
diff --git a/config/common_base b/config/common_base
index 5e97a08..93928b6 100644
--- a/config/common_base
+++ b/config/common_base
@@ -411,11 +411,6 @@ CONFIG_RTE_LIBRTE_AVP_DEBUG_BUFFERS=n
CONFIG_RTE_LIBRTE_PMD_TAP=n
#
-# Compile Xen PMD
-#
-CONFIG_RTE_LIBRTE_PMD_XENVIRT=n
-
-#
# Compile null PMD
#
CONFIG_RTE_LIBRTE_PMD_NULL=y
diff --git a/config/defconfig_arm-armv7a-linuxapp-gcc b/config/defconfig_arm-armv7a-linuxapp-gcc
index 00bc2ab..6628567 100644
--- a/config/defconfig_arm-armv7a-linuxapp-gcc
+++ b/config/defconfig_arm-armv7a-linuxapp-gcc
@@ -76,7 +76,6 @@ CONFIG_RTE_LIBRTE_I40E_PMD=n
CONFIG_RTE_LIBRTE_IXGBE_PMD=n
CONFIG_RTE_LIBRTE_MLX4_PMD=n
CONFIG_RTE_LIBRTE_VMXNET3_PMD=n
-CONFIG_RTE_LIBRTE_PMD_XENVIRT=n
CONFIG_RTE_LIBRTE_PMD_BNX2X=n
CONFIG_RTE_LIBRTE_QEDE_PMD=n
CONFIG_RTE_LIBRTE_SFC_EFX_PMD=n
diff --git a/doc/guides/nics/features/xenvirt.ini b/doc/guides/nics/features/xenvirt.ini
deleted file mode 100644
index 8ab5f46..0000000
--- a/doc/guides/nics/features/xenvirt.ini
+++ /dev/null
@@ -1,6 +0,0 @@
-;
-; Supported features of the 'xenvirt' network poll mode driver.
-;
-; Refer to default.ini for the full list of available PMD features.
-;
-[Features]
diff --git a/drivers/net/Makefile b/drivers/net/Makefile
index d33c959..0e00cd1 100644
--- a/drivers/net/Makefile
+++ b/drivers/net/Makefile
@@ -97,8 +97,6 @@ DIRS-$(CONFIG_RTE_LIBRTE_VIRTIO_PMD) += virtio
DEPDIRS-virtio = $(core-libs)
DIRS-$(CONFIG_RTE_LIBRTE_VMXNET3_PMD) += vmxnet3
DEPDIRS-vmxnet3 = $(core-libs)
-DIRS-$(CONFIG_RTE_LIBRTE_PMD_XENVIRT) += xenvirt
-DEPDIRS-xenvirt = $(core-libs) librte_cmdline
ifeq ($(CONFIG_RTE_LIBRTE_KNI),y)
DIRS-$(CONFIG_RTE_LIBRTE_PMD_KNI) += kni
diff --git a/drivers/net/xenvirt/Makefile b/drivers/net/xenvirt/Makefile
deleted file mode 100644
index 8b4b8f0..0000000
--- a/drivers/net/xenvirt/Makefile
+++ /dev/null
@@ -1,57 +0,0 @@
-# BSD LICENSE
-#
-# Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
-# All rights reserved.
-#
-# Redistribution and use in source and binary forms, with or without
-# modification, are permitted provided that the following conditions
-# are met:
-#
-# * Redistributions of source code must retain the above copyright
-# notice, this list of conditions and the following disclaimer.
-# * Redistributions in binary form must reproduce the above copyright
-# notice, this list of conditions and the following disclaimer in
-# the documentation and/or other materials provided with the
-# distribution.
-# * Neither the name of Intel Corporation nor the names of its
-# contributors may be used to endorse or promote products derived
-# from this software without specific prior written permission.
-#
-# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-include $(RTE_SDK)/mk/rte.vars.mk
-
-#
-# library name
-#
-LIB = librte_pmd_xenvirt.a
-
-CFLAGS += -O3
-CFLAGS += $(WERROR_FLAGS)
-LDLIBS += -lxenstore
-
-EXPORT_MAP := rte_eth_xenvirt_version.map
-
-LIBABIVER := 1
-
-#
-# all source are stored in SRCS-y
-#
-SRCS-$(CONFIG_RTE_LIBRTE_PMD_XENVIRT) += rte_eth_xenvirt.c rte_mempool_gntalloc.c rte_xen_lib.c
-
-#
-# Export include files
-#
-SYMLINK-y-include += rte_eth_xenvirt.h
-
-include $(RTE_SDK)/mk/rte.lib.mk
diff --git a/drivers/net/xenvirt/rte_eth_xenvirt.c b/drivers/net/xenvirt/rte_eth_xenvirt.c
deleted file mode 100644
index e404b77..0000000
--- a/drivers/net/xenvirt/rte_eth_xenvirt.c
+++ /dev/null
@@ -1,766 +0,0 @@
-/*-
- * BSD LICENSE
- *
- * Copyright(c) 2010-2015 Intel Corporation. All rights reserved.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- * * Neither the name of Intel Corporation nor the names of its
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include <stdint.h>
-#include <unistd.h>
-#include <stdlib.h>
-#include <string.h>
-#include <sys/types.h>
-#include <sys/mman.h>
-#include <errno.h>
-#include <sys/user.h>
-#ifndef PAGE_SIZE
-#define PAGE_SIZE sysconf(_SC_PAGE_SIZE)
-#endif
-#include <linux/binfmts.h>
-#include <xen/xen-compat.h>
-#if __XEN_LATEST_INTERFACE_VERSION__ < 0x00040200
-#include <xs.h>
-#else
-#include <xenstore.h>
-#endif
-#include <linux/virtio_ring.h>
-
-#include <rte_mbuf.h>
-#include <rte_ethdev.h>
-#include <rte_malloc.h>
-#include <rte_memcpy.h>
-#include <rte_string_fns.h>
-#include <rte_vdev.h>
-#include <cmdline_parse.h>
-#include <cmdline_parse_etheraddr.h>
-
-#include "rte_xen_lib.h"
-#include "virtqueue.h"
-#include "rte_eth_xenvirt.h"
-
-#define VQ_DESC_NUM 256
-#define VIRTIO_MBUF_BURST_SZ 64
-
-/* virtio_idx is increased after new device is created.*/
-static int virtio_idx = 0;
-
-static struct rte_eth_link pmd_link = {
- .link_speed = ETH_SPEED_NUM_10G,
- .link_duplex = ETH_LINK_FULL_DUPLEX,
- .link_status = ETH_LINK_DOWN,
- .link_autoneg = ETH_LINK_SPEED_FIXED
-};
-
-static void
-eth_xenvirt_free_queues(struct rte_eth_dev *dev);
-
-static uint16_t
-eth_xenvirt_rx(void *q, struct rte_mbuf **rx_pkts, uint16_t nb_pkts)
-{
- struct virtqueue *rxvq = q;
- struct rte_mbuf *rxm, *new_mbuf;
- uint16_t nb_used, num;
- uint32_t len[VIRTIO_MBUF_BURST_SZ];
- uint32_t i;
- struct pmd_internals *pi = rxvq->internals;
-
- nb_used = VIRTQUEUE_NUSED(rxvq);
-
- rte_smp_rmb();
- num = (uint16_t)(likely(nb_used <= nb_pkts) ? nb_used : nb_pkts);
- num = (uint16_t)(likely(num <= VIRTIO_MBUF_BURST_SZ) ? num : VIRTIO_MBUF_BURST_SZ);
- if (unlikely(num == 0)) return 0;
-
- num = virtqueue_dequeue_burst(rxvq, rx_pkts, len, num);
- PMD_RX_LOG(DEBUG, "used:%d dequeue:%d\n", nb_used, num);
- for (i = 0; i < num ; i ++) {
- rxm = rx_pkts[i];
- PMD_RX_LOG(DEBUG, "packet len:%d\n", len[i]);
- rxm->next = NULL;
- rxm->data_off = RTE_PKTMBUF_HEADROOM;
- rxm->data_len = (uint16_t)(len[i] - sizeof(struct virtio_net_hdr));
- rxm->nb_segs = 1;
- rxm->port = pi->port_id;
- rxm->pkt_len = (uint32_t)(len[i] - sizeof(struct virtio_net_hdr));
- }
- /* allocate new mbuf for the used descriptor */
- while (likely(!virtqueue_full(rxvq))) {
- new_mbuf = rte_mbuf_raw_alloc(rxvq->mpool);
- if (unlikely(new_mbuf == NULL)) {
- break;
- }
- if (unlikely(virtqueue_enqueue_recv_refill(rxvq, new_mbuf))) {
- rte_pktmbuf_free_seg(new_mbuf);
- break;
- }
- }
- pi->eth_stats.ipackets += num;
- return num;
-}
-
-static uint16_t
-eth_xenvirt_tx(void *tx_queue, struct rte_mbuf **tx_pkts, uint16_t nb_pkts)
-{
- struct virtqueue *txvq = tx_queue;
- struct rte_mbuf *txm;
- uint16_t nb_used, nb_tx, num, i;
- int error;
- uint32_t len[VIRTIO_MBUF_BURST_SZ];
- struct rte_mbuf *snd_pkts[VIRTIO_MBUF_BURST_SZ];
- struct pmd_internals *pi = txvq->internals;
-
- nb_tx = 0;
-
- if (unlikely(nb_pkts == 0))
- return 0;
-
- PMD_TX_LOG(DEBUG, "%d packets to xmit", nb_pkts);
- nb_used = VIRTQUEUE_NUSED(txvq);
-
- rte_smp_rmb();
-
- num = (uint16_t)(likely(nb_used <= VIRTIO_MBUF_BURST_SZ) ? nb_used : VIRTIO_MBUF_BURST_SZ);
- num = virtqueue_dequeue_burst(txvq, snd_pkts, len, num);
-
- for (i = 0; i < num ; i ++) {
- /* mergable not supported, one segment only */
- rte_pktmbuf_free_seg(snd_pkts[i]);
- }
-
- while (nb_tx < nb_pkts) {
- if (likely(!virtqueue_full(txvq))) {
- /* TODO drop tx_pkts if it contains multiple segments */
- txm = tx_pkts[nb_tx];
- error = virtqueue_enqueue_xmit(txvq, txm);
- if (unlikely(error)) {
- if (error == ENOSPC)
- PMD_TX_LOG(ERR, "virtqueue_enqueue Free count = 0\n");
- else if (error == EMSGSIZE)
- PMD_TX_LOG(ERR, "virtqueue_enqueue Free count < 1\n");
- else
- PMD_TX_LOG(ERR, "virtqueue_enqueue error: %d\n", error);
- break;
- }
- nb_tx++;
- } else {
- PMD_TX_LOG(ERR, "No free tx descriptors to transmit\n");
- /* virtqueue_notify not needed in our para-virt solution */
- break;
- }
- }
- pi->eth_stats.opackets += nb_tx;
- return nb_tx;
-}
-
-static int
-eth_dev_configure(struct rte_eth_dev *dev __rte_unused)
-{
- RTE_LOG(ERR, PMD, "%s\n", __func__);
- return 0;
-}
-
-/*
- * Create a shared page between guest and host.
- * Host monitors this page if it is cleared on unmap, and then
- * do necessary clean up.
- */
-static void
-gntalloc_vring_flag(int vtidx)
-{
- char key_str[PATH_MAX];
- char val_str[PATH_MAX];
- uint32_t gref_tmp;
- void *ptr;
-
- if (grefwatch_from_alloc(&gref_tmp, &ptr)) {
- RTE_LOG(ERR, PMD, "grefwatch_from_alloc error\n");
- exit(0);
- }
-
- *(uint8_t *)ptr = MAP_FLAG;
- snprintf(val_str, sizeof(val_str), "%u", gref_tmp);
- snprintf(key_str, sizeof(key_str),
- DPDK_XENSTORE_PATH"%d"VRING_FLAG_STR, vtidx);
- xenstore_write(key_str, val_str);
-}
-
-/*
- * Notify host this virtio device is started.
- * Host could start polling this device.
- */
-static void
-dev_start_notify(int vtidx)
-{
- char key_str[PATH_MAX];
- char val_str[PATH_MAX];
-
- RTE_LOG(INFO, PMD, "%s: virtio %d is started\n", __func__, vtidx);
- gntalloc_vring_flag(vtidx);
-
- snprintf(key_str, sizeof(key_str), "%s%s%d",
- DPDK_XENSTORE_PATH, EVENT_TYPE_START_STR,
- vtidx);
- snprintf(val_str, sizeof(val_str), "1");
- xenstore_write(key_str, val_str);
-}
-
-/*
- * Notify host this virtio device is stopped.
- * Host could stop polling this device.
- */
-static void
-dev_stop_notify(int vtidx)
-{
- RTE_SET_USED(vtidx);
-}
-
-
-static int
-update_mac_address(struct ether_addr *mac_addrs, int vtidx)
-{
- char key_str[PATH_MAX];
- char val_str[PATH_MAX];
- int rv;
-
- if (mac_addrs == NULL) {
- RTE_LOG(ERR, PMD, "%s: NULL pointer mac specified\n", __func__);
- return -1;
- }
- rv = snprintf(key_str, sizeof(key_str),
- DPDK_XENSTORE_PATH"%d_ether_addr", vtidx);
- if (rv == -1)
- return rv;
- rv = snprintf(val_str, sizeof(val_str), "%02x:%02x:%02x:%02x:%02x:%02x",
- mac_addrs->addr_bytes[0],
- mac_addrs->addr_bytes[1],
- mac_addrs->addr_bytes[2],
- mac_addrs->addr_bytes[3],
- mac_addrs->addr_bytes[4],
- mac_addrs->addr_bytes[5]);
- if (rv == -1)
- return rv;
- if (xenstore_write(key_str, val_str))
- return rv;
- return 0;
-}
-
-
-static int
-eth_dev_start(struct rte_eth_dev *dev)
-{
- struct virtqueue *rxvq = dev->data->rx_queues[0];
- struct virtqueue *txvq = dev->data->tx_queues[0];
- struct rte_mbuf *m;
- struct pmd_internals *pi = (struct pmd_internals *)dev->data->dev_private;
- int rv;
-
- dev->data->dev_link.link_status = ETH_LINK_UP;
- while (!virtqueue_full(rxvq)) {
- m = rte_mbuf_raw_alloc(rxvq->mpool);
- if (m == NULL)
- break;
- /* Enqueue allocated buffers. */
- if (virtqueue_enqueue_recv_refill(rxvq, m)) {
- rte_pktmbuf_free_seg(m);
- break;
- }
- }
-
- rxvq->internals = pi;
- txvq->internals = pi;
-
- rv = update_mac_address(dev->data->mac_addrs, pi->virtio_idx);
- if (rv)
- return -1;
- dev_start_notify(pi->virtio_idx);
-
- return 0;
-}
-
-static void
-eth_dev_stop(struct rte_eth_dev *dev)
-{
- struct pmd_internals *pi = (struct pmd_internals *)dev->data->dev_private;
-
- dev->data->dev_link.link_status = ETH_LINK_DOWN;
- dev_stop_notify(pi->virtio_idx);
-}
-
-/*
- * Notify host this virtio device is closed.
- * Host could do necessary clean up to this device.
- */
-static void
-eth_dev_close(struct rte_eth_dev *dev)
-{
- eth_xenvirt_free_queues(dev);
-}
-
-static void
-eth_dev_info(struct rte_eth_dev *dev,
- struct rte_eth_dev_info *dev_info)
-{
- struct pmd_internals *internals = dev->data->dev_private;
-
- RTE_SET_USED(internals);
- dev_info->max_mac_addrs = 1;
- dev_info->max_rx_pktlen = (uint32_t)2048;
- dev_info->max_rx_queues = (uint16_t)1;
- dev_info->max_tx_queues = (uint16_t)1;
- dev_info->min_rx_bufsize = 0;
-}
-
-static void
-eth_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
-{
- struct pmd_internals *internals = dev->data->dev_private;
- if(stats)
- rte_memcpy(stats, &internals->eth_stats, sizeof(*stats));
-}
-
-static void
-eth_stats_reset(struct rte_eth_dev *dev)
-{
- struct pmd_internals *internals = dev->data->dev_private;
- /* Reset software totals */
- memset(&internals->eth_stats, 0, sizeof(internals->eth_stats));
-}
-
-static void
-eth_queue_release(void *q)
-{
- rte_free(q);
-}
-
-static int
-eth_link_update(struct rte_eth_dev *dev __rte_unused,
- int wait_to_complete __rte_unused)
-{
- return 0;
-}
-
-/*
- * Create shared vring between guest and host.
- * Memory is allocated through grant alloc driver, so it is not physical continuous.
- */
-static void *
-gntalloc_vring_create(int queue_type, uint32_t size, int vtidx)
-{
- char key_str[PATH_MAX] = {0};
- char val_str[PATH_MAX] = {0};
- void *va = NULL;
- int pg_size;
- uint32_t pg_num;
- uint32_t *gref_arr = NULL;
- phys_addr_t *pa_arr = NULL;
- uint64_t start_index;
- int rv;
-
- pg_size = getpagesize();
- size = RTE_ALIGN_CEIL(size, pg_size);
- pg_num = size / pg_size;
-
- gref_arr = calloc(pg_num, sizeof(gref_arr[0]));
- pa_arr = calloc(pg_num, sizeof(pa_arr[0]));
-
- if (gref_arr == NULL || pa_arr == NULL) {
- RTE_LOG(ERR, PMD, "%s: calloc failed\n", __func__);
- goto out;
- }
-
- va = gntalloc(size, gref_arr, &start_index);
- if (va == NULL) {
- RTE_LOG(ERR, PMD, "%s: gntalloc failed\n", __func__);
- goto out;
- }
-
- if (get_phys_map(va, pa_arr, pg_num, pg_size))
- goto out;
-
- /* write in xenstore gref and pfn for each page of vring */
- if (grant_node_create(pg_num, gref_arr, pa_arr, val_str, sizeof(val_str))) {
- gntfree(va, size, start_index);
- va = NULL;
- goto out;
- }
-
- if (queue_type == VTNET_RQ)
- rv = snprintf(key_str, sizeof(key_str), DPDK_XENSTORE_PATH"%d"RXVRING_XENSTORE_STR, vtidx);
- else
- rv = snprintf(key_str, sizeof(key_str), DPDK_XENSTORE_PATH"%d"TXVRING_XENSTORE_STR, vtidx);
- if (rv == -1 || xenstore_write(key_str, val_str) == -1) {
- gntfree(va, size, start_index);
- va = NULL;
- }
-out:
- free(pa_arr);
- free(gref_arr);
-
- return va;
-}
-
-
-
-static struct virtqueue *
-virtio_queue_setup(struct rte_eth_dev *dev, int queue_type)
-{
- struct virtqueue *vq = NULL;
- uint16_t vq_size = VQ_DESC_NUM;
- int i = 0;
- char vq_name[VIRTQUEUE_MAX_NAME_SZ];
- size_t size;
- struct vring *vr;
-
- /* Allocate memory for virtqueue. */
- if (queue_type == VTNET_RQ) {
- snprintf(vq_name, sizeof(vq_name), "port%d_rvq",
- dev->data->port_id);
- vq = rte_zmalloc(vq_name, sizeof(struct virtqueue) +
- vq_size * sizeof(struct vq_desc_extra), RTE_CACHE_LINE_SIZE);
- if (vq == NULL) {
- RTE_LOG(ERR, PMD, "%s: unabled to allocate virtqueue\n", __func__);
- return NULL;
- }
- memcpy(vq->vq_name, vq_name, sizeof(vq->vq_name));
- } else if(queue_type == VTNET_TQ) {
- snprintf(vq_name, sizeof(vq_name), "port%d_tvq",
- dev->data->port_id);
- vq = rte_zmalloc(vq_name, sizeof(struct virtqueue) +
- vq_size * sizeof(struct vq_desc_extra), RTE_CACHE_LINE_SIZE);
- if (vq == NULL) {
- RTE_LOG(ERR, PMD, "%s: unabled to allocate virtqueue\n", __func__);
- return NULL;
- }
- memcpy(vq->vq_name, vq_name, sizeof(vq->vq_name));
- }
-
- memcpy(vq->vq_name, vq_name, sizeof(vq->vq_name));
-
- vq->vq_alignment = VIRTIO_PCI_VRING_ALIGN;
- vq->vq_nentries = vq_size;
- vq->vq_free_cnt = vq_size;
- /* Calcuate vring size according to virtio spec */
- size = vring_size(vq_size, VIRTIO_PCI_VRING_ALIGN);
- vq->vq_ring_size = RTE_ALIGN_CEIL(size, VIRTIO_PCI_VRING_ALIGN);
- /* Allocate memory for virtio vring through gntalloc driver*/
- vq->vq_ring_virt_mem = gntalloc_vring_create(queue_type, vq->vq_ring_size,
- ((struct pmd_internals *)dev->data->dev_private)->virtio_idx);
- memset(vq->vq_ring_virt_mem, 0, vq->vq_ring_size);
- vr = &vq->vq_ring;
- vring_init(vr, vq_size, vq->vq_ring_virt_mem, vq->vq_alignment);
- /*
- * Locally maintained last consumed index, this idex trails
- * vq_ring.used->idx.
- */
- vq->vq_used_cons_idx = 0;
- vq->vq_desc_head_idx = 0;
- vq->vq_free_cnt = vq->vq_nentries;
- memset(vq->vq_descx, 0, sizeof(struct vq_desc_extra) * vq->vq_nentries);
-
- /* Chain all the descriptors in the ring with an END */
- for (i = 0; i < vq_size - 1; i++)
- vr->desc[i].next = (uint16_t)(i + 1);
- vr->desc[i].next = VQ_RING_DESC_CHAIN_END;
-
- return vq;
-}
-
-static int
-eth_rx_queue_setup(struct rte_eth_dev *dev,uint16_t rx_queue_id,
- uint16_t nb_rx_desc __rte_unused,
- unsigned int socket_id __rte_unused,
- const struct rte_eth_rxconf *rx_conf __rte_unused,
- struct rte_mempool *mb_pool)
-{
- struct virtqueue *vq;
- vq = dev->data->rx_queues[rx_queue_id] = virtio_queue_setup(dev, VTNET_RQ);
- vq->mpool = mb_pool;
- return 0;
-}
-
-static int
-eth_tx_queue_setup(struct rte_eth_dev *dev, uint16_t tx_queue_id,
- uint16_t nb_tx_desc __rte_unused,
- unsigned int socket_id __rte_unused,
- const struct rte_eth_txconf *tx_conf __rte_unused)
-{
- dev->data->tx_queues[tx_queue_id] = virtio_queue_setup(dev, VTNET_TQ);
- return 0;
-}
-
-static void
-eth_xenvirt_free_queues(struct rte_eth_dev *dev)
-{
- int i;
-
- for (i = 0; i < dev->data->nb_rx_queues; i++) {
- eth_queue_release(dev->data->rx_queues[i]);
- dev->data->rx_queues[i] = NULL;
- }
- dev->data->nb_rx_queues = 0;
-
- for (i = 0; i < dev->data->nb_tx_queues; i++) {
- eth_queue_release(dev->data->tx_queues[i]);
- dev->data->tx_queues[i] = NULL;
- }
- dev->data->nb_tx_queues = 0;
-}
-
-static const struct eth_dev_ops ops = {
- .dev_start = eth_dev_start,
- .dev_stop = eth_dev_stop,
- .dev_close = eth_dev_close,
- .dev_configure = eth_dev_configure,
- .dev_infos_get = eth_dev_info,
- .rx_queue_setup = eth_rx_queue_setup,
- .tx_queue_setup = eth_tx_queue_setup,
- .rx_queue_release = eth_queue_release,
- .tx_queue_release = eth_queue_release,
- .link_update = eth_link_update,
- .stats_get = eth_stats_get,
- .stats_reset = eth_stats_reset,
-};
-
-
-static int
-rte_eth_xenvirt_parse_args(struct xenvirt_dict *dict,
- const char *name, const char *params)
-{
- int i;
- char *pairs[RTE_ETH_XENVIRT_MAX_ARGS];
- int num_of_pairs;
- char *pair[2];
- char *args;
- int ret = -1;
-
- if (params == NULL)
- return 0;
-
- args = rte_zmalloc(NULL, strlen(params) + 1, RTE_CACHE_LINE_SIZE);
- if (args == NULL) {
- RTE_LOG(ERR, PMD, "Couldn't parse %s device \n", name);
- return -1;
- }
- rte_memcpy(args, params, strlen(params));
-
- num_of_pairs = rte_strsplit(args, strnlen(args, MAX_ARG_STRLEN),
- pairs,
- RTE_ETH_XENVIRT_MAX_ARGS ,
- RTE_ETH_XENVIRT_PAIRS_DELIM);
-
- for (i = 0; i < num_of_pairs; i++) {
- pair[0] = NULL;
- pair[1] = NULL;
- rte_strsplit(pairs[i], strnlen(pairs[i], MAX_ARG_STRLEN),
- pair, 2,
- RTE_ETH_XENVIRT_KEY_VALUE_DELIM);
-
- if (pair[0] == NULL || pair[1] == NULL || pair[0][0] == 0
- || pair[1][0] == 0) {
- RTE_LOG(ERR, PMD,
- "Couldn't parse %s device,"
- "wrong key or value \n", name);
- goto err;
- }
-
- if (!strncmp(pair[0], RTE_ETH_XENVIRT_MAC_PARAM,
- sizeof(RTE_ETH_XENVIRT_MAC_PARAM))) {
- if (cmdline_parse_etheraddr(NULL,
- pair[1],
- &dict->addr,
- sizeof(dict->addr)) < 0) {
- RTE_LOG(ERR, PMD,
- "Invalid %s device ether address\n",
- name);
- goto err;
- }
-
- dict->addr_valid = 1;
- }
- }
-
- ret = 0;
-err:
- rte_free(args);
- return ret;
-}
-
-enum dev_action {
- DEV_CREATE,
- DEV_ATTACH
-};
-
-static struct rte_vdev_driver pmd_xenvirt_drv;
-
-static int
-eth_dev_xenvirt_create(const char *name, const char *params,
- const unsigned numa_node,
- enum dev_action action)
-{
- struct rte_eth_dev_data *data = NULL;
- struct pmd_internals *internals = NULL;
- struct rte_eth_dev *eth_dev = NULL;
- struct xenvirt_dict dict;
-
- memset(&dict, 0, sizeof(struct xenvirt_dict));
-
- RTE_LOG(INFO, PMD, "Creating virtio rings backed ethdev on numa socket %u\n",
- numa_node);
- RTE_SET_USED(action);
-
- if (rte_eth_xenvirt_parse_args(&dict, name, params) < 0) {
- RTE_LOG(ERR, PMD, "%s: Failed to parse ethdev parameters\n", __func__);
- return -1;
- }
-
- /* now do all data allocation - for eth_dev structure, dummy pci driver
- * and internal (private) data
- */
- data = rte_zmalloc_socket(name, sizeof(*data), 0, numa_node);
- if (data == NULL)
- goto err;
-
- internals = rte_zmalloc_socket(name, sizeof(*internals), 0, numa_node);
- if (internals == NULL)
- goto err;
-
- /* reserve an ethdev entry */
- eth_dev = rte_eth_dev_allocate(name);
- if (eth_dev == NULL)
- goto err;
-
- data->dev_private = internals;
- data->port_id = eth_dev->data->port_id;
- data->nb_rx_queues = (uint16_t)1;
- data->nb_tx_queues = (uint16_t)1;
- data->dev_link = pmd_link;
- data->mac_addrs = rte_zmalloc("xen_virtio", ETHER_ADDR_LEN, 0);
-
- if(dict.addr_valid)
- memcpy(&data->mac_addrs->addr_bytes, &dict.addr, sizeof(struct ether_addr));
- else
- eth_random_addr(&data->mac_addrs->addr_bytes[0]);
-
- eth_dev->data = data;
- eth_dev->dev_ops = &ops;
-
- eth_dev->data->dev_flags = RTE_ETH_DEV_DETACHABLE;
- eth_dev->data->kdrv = RTE_KDRV_NONE;
- eth_dev->data->numa_node = numa_node;
-
- eth_dev->rx_pkt_burst = eth_xenvirt_rx;
- eth_dev->tx_pkt_burst = eth_xenvirt_tx;
-
- internals->virtio_idx = virtio_idx++;
- internals->port_id = eth_dev->data->port_id;
-
- return 0;
-
-err:
- rte_free(data);
- rte_free(internals);
-
- return -1;
-}
-
-
-static int
-eth_dev_xenvirt_free(const char *name, const unsigned numa_node)
-{
- struct rte_eth_dev *eth_dev = NULL;
-
- RTE_LOG(DEBUG, PMD,
- "Free virtio rings backed ethdev on numa socket %u\n",
- numa_node);
-
- /* find an ethdev entry */
- eth_dev = rte_eth_dev_allocated(name);
- if (eth_dev == NULL)
- return -1;
-
- if (eth_dev->data->dev_started == 1) {
- eth_dev_stop(eth_dev);
- eth_dev_close(eth_dev);
- }
-
- eth_dev->rx_pkt_burst = NULL;
- eth_dev->tx_pkt_burst = NULL;
- eth_dev->dev_ops = NULL;
-
- rte_free(eth_dev->data);
- rte_free(eth_dev->data->dev_private);
- rte_free(eth_dev->data->mac_addrs);
-
- virtio_idx--;
-
- return 0;
-}
-
-/*TODO: Support multiple process model */
-static int
-rte_pmd_xenvirt_probe(struct rte_vdev_device *dev)
-{
- if (virtio_idx == 0) {
- if (xenstore_init() != 0) {
- RTE_LOG(ERR, PMD, "%s: xenstore init failed\n", __func__);
- return -1;
- }
- if (gntalloc_open() != 0) {
- RTE_LOG(ERR, PMD, "%s: grant init failed\n", __func__);
- return -1;
- }
- }
- eth_dev_xenvirt_create(rte_vdev_device_name(dev),
- rte_vdev_device_args(dev), rte_socket_id(), DEV_CREATE);
- return 0;
-}
-
-static int
-rte_pmd_xenvirt_remove(struct rte_vdev_device *dev)
-{
- eth_dev_xenvirt_free(rte_vdev_device_name(dev), rte_socket_id());
-
- if (virtio_idx == 0) {
- if (xenstore_uninit() != 0)
- RTE_LOG(ERR, PMD, "%s: xenstore uninit failed\n", __func__);
-
- gntalloc_close();
- }
- return 0;
-}
-
-static struct rte_vdev_driver pmd_xenvirt_drv = {
- .probe = rte_pmd_xenvirt_probe,
- .remove = rte_pmd_xenvirt_remove,
-};
-
-RTE_PMD_REGISTER_VDEV(net_xenvirt, pmd_xenvirt_drv);
-RTE_PMD_REGISTER_ALIAS(net_xenvirt, eth_xenvirt);
-RTE_PMD_REGISTER_PARAM_STRING(net_xenvirt,
- "mac=<mac addr>");
diff --git a/drivers/net/xenvirt/rte_eth_xenvirt.h b/drivers/net/xenvirt/rte_eth_xenvirt.h
deleted file mode 100644
index 598adc6..0000000
--- a/drivers/net/xenvirt/rte_eth_xenvirt.h
+++ /dev/null
@@ -1,61 +0,0 @@
-/*-
- * BSD LICENSE
- *
- * Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- * * Neither the name of Intel Corporation nor the names of its
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef _RTE_ETH_XENVIRT_H_
-#define _RTE_ETH_XENVIRT_H_
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-#include <rte_mempool.h>
-
-/**
- * Creates mempool for xen virtio PMD.
- * This function uses memzone_reserve to allocate memory for meta data,
- * and uses grant alloc driver to allocate memory for data area.
- * The input parameters are exactly the same as rte_mempool_create.
- */
-struct rte_mempool *
-rte_mempool_gntalloc_create(const char *name, unsigned elt_num, unsigned elt_size,
- unsigned cache_size, unsigned private_data_size,
- rte_mempool_ctor_t *mp_init, void *mp_init_arg,
- rte_mempool_obj_cb_t *obj_init, void *obj_init_arg,
- int socket_id, unsigned flags);
-
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif
diff --git a/drivers/net/xenvirt/rte_eth_xenvirt_version.map b/drivers/net/xenvirt/rte_eth_xenvirt_version.map
deleted file mode 100644
index dd636f7..0000000
--- a/drivers/net/xenvirt/rte_eth_xenvirt_version.map
+++ /dev/null
@@ -1,7 +0,0 @@
-DPDK_2.0 {
- global:
-
- rte_mempool_gntalloc_create;
-
- local: *;
-};
diff --git a/drivers/net/xenvirt/rte_mempool_gntalloc.c b/drivers/net/xenvirt/rte_mempool_gntalloc.c
deleted file mode 100644
index 73e82f8..0000000
--- a/drivers/net/xenvirt/rte_mempool_gntalloc.c
+++ /dev/null
@@ -1,295 +0,0 @@
-/*-
- * BSD LICENSE
- *
- * Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- * * Neither the name of Intel Corporation nor the names of its
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include <stdint.h>
-#include <unistd.h>
-#include <stdlib.h>
-#include <sys/mman.h>
-#include <sys/ioctl.h>
-#include <string.h>
-#include <xen/sys/gntalloc.h>
-
-#include <rte_common.h>
-#include <rte_mempool.h>
-#include <rte_memory.h>
-#include <rte_errno.h>
-
-#include "rte_xen_lib.h"
-#include "rte_eth_xenvirt.h"
-
-struct _gntarr {
- uint32_t gref;
- phys_addr_t pa;
- uint64_t index;
- void *va;
-};
-
-struct _mempool_gntalloc_info {
- struct rte_mempool *mp;
- uint32_t pg_num;
- uint32_t *gref_arr;
- phys_addr_t *pa_arr;
- void *va;
- uint32_t mempool_idx;
- uint64_t start_index;
-};
-
-
-static rte_atomic32_t global_xenvirt_mempool_idx = RTE_ATOMIC32_INIT(-1);
-
-static int
-compare(const void *p1, const void *p2)
-{
- return ((const struct _gntarr *)p1)->pa - ((const struct _gntarr *)p2)->pa;
-}
-
-
-static struct _mempool_gntalloc_info
-_create_mempool(const char *name, unsigned elt_num, unsigned elt_size,
- unsigned cache_size, unsigned private_data_size,
- rte_mempool_ctor_t *mp_init, void *mp_init_arg,
- rte_mempool_obj_cb_t *obj_init, void *obj_init_arg,
- int socket_id, unsigned flags)
-{
- struct _mempool_gntalloc_info mgi;
- struct rte_mempool *mp = NULL;
- struct rte_mempool_objsz objsz;
- uint32_t pg_num, rpg_num, pg_shift, pg_sz;
- char *va, *orig_va, *uv; /* uv: from which, the pages could be freed */
- ssize_t sz, usz; /* usz: unused size */
- /*
- * for each page allocated through xen_gntalloc driver,
- * gref_arr:stores grant references,
- * pa_arr: stores physical address,
- * gnt_arr: stores all meta dat
- */
- uint32_t *gref_arr = NULL;
- phys_addr_t *pa_arr = NULL;
- struct _gntarr *gnt_arr = NULL;
- /* start index of the grant referances, used for dealloc*/
- uint64_t start_index;
- uint32_t i, j;
- int rv = 0;
- struct ioctl_gntalloc_dealloc_gref arg;
-
- mgi.mp = NULL;
- va = orig_va = uv = NULL;
- pg_num = rpg_num = 0;
- sz = 0;
-
- pg_sz = getpagesize();
- if (rte_is_power_of_2(pg_sz) == 0) {
- goto out;
- }
- pg_shift = rte_bsf32(pg_sz);
-
- rte_mempool_calc_obj_size(elt_size, flags, &objsz);
- sz = rte_mempool_xmem_size(elt_num, objsz.total_size, pg_shift);
- pg_num = sz >> pg_shift;
-
- pa_arr = calloc(pg_num, sizeof(pa_arr[0]));
- gref_arr = calloc(pg_num, sizeof(gref_arr[0]));
- gnt_arr = calloc(pg_num, sizeof(gnt_arr[0]));
- if ((gnt_arr == NULL) || (gref_arr == NULL) || (pa_arr == NULL))
- goto out;
-
- /* grant index is continuous in ascending order */
- orig_va = gntalloc(sz, gref_arr, &start_index);
- if (orig_va == NULL)
- goto out;
-
- get_phys_map(orig_va, pa_arr, pg_num, pg_sz);
- for (i = 0; i < pg_num; i++) {
- gnt_arr[i].index = start_index + i * pg_sz;
- gnt_arr[i].gref = gref_arr[i];
- gnt_arr[i].pa = pa_arr[i];
- gnt_arr[i].va = RTE_PTR_ADD(orig_va, i * pg_sz);
- }
- qsort(gnt_arr, pg_num, sizeof(struct _gntarr), compare);
-
- va = get_xen_virtual(sz, pg_sz);
- if (va == NULL) {
- goto out;
- }
-
- /*
- * map one by one, as index isn't continuous now.
- * pg_num VMAs, doesn't linux has a limitation on this?
- */
- for (i = 0; i < pg_num; i++) {
- /* update gref_arr and pa_arr after sort */
- gref_arr[i] = gnt_arr[i].gref;
- pa_arr[i] = gnt_arr[i].pa;
- gnt_arr[i].va = mmap(va + i * pg_sz, pg_sz, PROT_READ | PROT_WRITE,
- MAP_SHARED | MAP_FIXED, gntalloc_fd, gnt_arr[i].index);
- if ((gnt_arr[i].va == MAP_FAILED) || (gnt_arr[i].va != (va + i * pg_sz))) {
- RTE_LOG(ERR, PMD, "failed to map %d pages\n", i);
- goto mmap_failed;
- }
- }
-
- /*
- * Check that allocated size is big enough to hold elt_num
- * objects and a calcualte how many bytes are actually required.
- */
- usz = rte_mempool_xmem_usage(va, elt_num, objsz.total_size, pa_arr, pg_num, pg_shift);
- if (usz < 0) {
- mp = NULL;
- i = pg_num;
- goto mmap_failed;
- } else {
- /* unmap unused pages if any */
- uv = RTE_PTR_ADD(va, usz);
- if ((usz = va + sz - uv) > 0) {
-
- RTE_LOG(ERR, PMD,
- "%s(%s): unmap unused %zu of %zu "
- "mmaped bytes @%p orig:%p\n",
- __func__, name, usz, sz, uv, va);
- munmap(uv, usz);
- i = (sz - usz) / pg_sz;
- for (; i < pg_num; i++) {
- arg.count = 1;
- arg.index = gnt_arr[i].index;
- rv = ioctl(gntalloc_fd, IOCTL_GNTALLOC_DEALLOC_GREF, &arg);
- if (rv) {
- /* shouldn't fail here */
- RTE_LOG(ERR, PMD, "va=%p pa=%"PRIu64"x index=%"PRIu64" %s\n",
- gnt_arr[i].va,
- gnt_arr[i].pa,
- arg.index, strerror(errno));
- rte_panic("gntdealloc failed when freeing pages\n");
- }
- }
-
- rpg_num = (sz - usz) >> pg_shift;
- } else
- rpg_num = pg_num;
-
- mp = rte_mempool_xmem_create(name, elt_num, elt_size,
- cache_size, private_data_size,
- mp_init, mp_init_arg,
- obj_init, obj_init_arg,
- socket_id, flags, va, pa_arr, rpg_num, pg_shift);
-
- RTE_ASSERT(elt_num == mp->size);
- }
- mgi.mp = mp;
- mgi.pg_num = rpg_num;
- mgi.gref_arr = gref_arr;
- mgi.pa_arr = pa_arr;
- if (mp)
- mgi.mempool_idx = rte_atomic32_add_return(&global_xenvirt_mempool_idx, 1);
- mgi.start_index = start_index;
- mgi.va = va;
-
- if (mp == NULL) {
- i = pg_num;
- goto mmap_failed;
- }
-
-/*
- * unmap only, without deallocate grant reference.
- * unused pages have already been unmaped,
- * unmap twice will fail, but it is safe.
- */
-mmap_failed:
- for (j = 0; j < i; j++) {
- if (gnt_arr[i].va)
- munmap(gnt_arr[i].va, pg_sz);
- }
-out:
- free(gnt_arr);
- if (orig_va)
- munmap(orig_va, sz);
- if (mp == NULL) {
- free(gref_arr);
- free(pa_arr);
-
- /* some gref has already been de-allocated from the list in the driver,
- * so dealloc one by one, and it is safe to deallocate twice
- */
- if (orig_va) {
- for (i = 0; i < pg_num; i++) {
- arg.index = start_index + i * pg_sz;
- rv = ioctl(gntalloc_fd, IOCTL_GNTALLOC_DEALLOC_GREF, arg);
- }
- }
- }
- return mgi;
-}
-
-struct rte_mempool *
-rte_mempool_gntalloc_create(const char *name, unsigned elt_num, unsigned elt_size,
- unsigned cache_size, unsigned private_data_size,
- rte_mempool_ctor_t *mp_init, void *mp_init_arg,
- rte_mempool_obj_cb_t *obj_init, void *obj_init_arg,
- int socket_id, unsigned flags)
-{
- int rv;
- uint32_t i;
- struct _mempool_gntalloc_info mgi;
- struct ioctl_gntalloc_dealloc_gref arg;
- int pg_sz = getpagesize();
-
- mgi = _create_mempool(name, elt_num, elt_size,
- cache_size, private_data_size,
- mp_init, mp_init_arg,
- obj_init, obj_init_arg,
- socket_id, flags);
- if (mgi.mp) {
- rv = grant_gntalloc_mbuf_pool(mgi.mp,
- mgi.pg_num,
- mgi.gref_arr,
- mgi.pa_arr,
- mgi.mempool_idx);
- free(mgi.gref_arr);
- free(mgi.pa_arr);
- if (rv == 0)
- return mgi.mp;
- /*
- * in _create_mempool, unused pages have already been unmapped, deallocagted
- * unmap and dealloc the remained ones here.
- */
- munmap(mgi.va, pg_sz * mgi.pg_num);
- for (i = 0; i < mgi.pg_num; i++) {
- arg.index = mgi.start_index + i * pg_sz;
- rv = ioctl(gntalloc_fd, IOCTL_GNTALLOC_DEALLOC_GREF, arg);
- }
- return NULL;
- }
- return NULL;
-
-
-
-}
diff --git a/drivers/net/xenvirt/rte_xen_lib.c b/drivers/net/xenvirt/rte_xen_lib.c
deleted file mode 100644
index 6c9a1d4..0000000
--- a/drivers/net/xenvirt/rte_xen_lib.c
+++ /dev/null
@@ -1,454 +0,0 @@
-/*-
- * BSD LICENSE
- *
- * Copyright(c) 2010-2015 Intel Corporation. All rights reserved.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- * * Neither the name of Intel Corporation nor the names of its
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include <stdint.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <string.h>
-#include <sys/types.h>
-#include <fcntl.h>
-#include <sys/mman.h>
-#include <sys/ioctl.h>
-#include <xen/xen-compat.h>
-#if __XEN_LATEST_INTERFACE_VERSION__ < 0x00040200
-#include <xs.h>
-#else
-#include <xenstore.h>
-#endif
-#include <xen/sys/gntalloc.h>
-
-#include <rte_common.h>
-#include <rte_string_fns.h>
-#include <rte_malloc.h>
-
-#include "rte_xen_lib.h"
-
-/*
- * The grant node format in xenstore for vring/mpool is:
- * 0_rx_vring_gref = "gref1#, gref2#, gref3#"
- * 0_mempool_gref = "gref1#, gref2#, gref3#"
- * each gref# is a grant reference for a shared page.
- * In each shared page, we store the grant_node_item items.
- */
-struct grant_node_item {
- uint32_t gref;
- uint32_t pfn;
-} __attribute__((packed));
-
-/* fd for xen_gntalloc driver, used to allocate grant pages*/
-int gntalloc_fd = -1;
-
-/* xenstore path for local domain, now it is '/local/domain/domid/' */
-static char *dompath = NULL;
-/* handle to xenstore read/write operations */
-static struct xs_handle *xs = NULL;
-/* flag to indicate if xenstore cleanup is required */
-static bool is_xenstore_cleaned_up;
-
-/*
- * Reserve a virtual address space.
- * On success, returns the pointer. On failure, returns NULL.
- */
-void *
-get_xen_virtual(size_t size, size_t page_sz)
-{
- void *addr;
- uintptr_t aligned_addr;
-
- addr = mmap(NULL, size + page_sz, PROT_READ, MAP_SHARED | MAP_ANONYMOUS, -1, 0);
- if (addr == MAP_FAILED) {
- RTE_LOG(ERR, PMD, "failed get a virtual area\n");
- return NULL;
- }
-
- aligned_addr = RTE_ALIGN_CEIL((uintptr_t)addr, page_sz);
- addr = (void *)(aligned_addr);
-
- return addr;
-}
-
-/*
- * Get the physical address for virtual memory starting at va.
- */
-int
-get_phys_map(void *va, phys_addr_t pa[], uint32_t pg_num, uint32_t pg_sz)
-{
- int32_t fd, rc = 0;
- uint32_t i, nb;
- off_t ofs;
-
- ofs = (uintptr_t)va / pg_sz * sizeof(*pa);
- nb = pg_num * sizeof(*pa);
-
- if ((fd = open(PAGEMAP_FNAME, O_RDONLY)) < 0 ||
- (rc = pread(fd, pa, nb, ofs)) < 0 ||
- (rc -= nb) != 0) {
- RTE_LOG(ERR, PMD, "%s: failed read of %u bytes from \'%s\' "
- "at offset %lu, error code: %d\n",
- __func__, nb, PAGEMAP_FNAME, (unsigned long)ofs, errno);
- rc = ENOENT;
- }
-
- close(fd);
- for (i = 0; i != pg_num; i++)
- pa[i] = (pa[i] & PAGEMAP_PFN_MASK) * pg_sz;
-
- return rc;
-}
-
-int
-gntalloc_open(void)
-{
- gntalloc_fd = open(XEN_GNTALLOC_FNAME, O_RDWR);
- return (gntalloc_fd != -1) ? 0 : -1;
-}
-
-void
-gntalloc_close(void)
-{
- if (gntalloc_fd != -1)
- close(gntalloc_fd);
- gntalloc_fd = -1;
-}
-
-void *
-gntalloc(size_t size, uint32_t *gref, uint64_t *start_index)
-{
- int page_size = getpagesize();
- uint32_t i, pg_num;
- void *va;
- int rv;
- struct ioctl_gntalloc_alloc_gref *arg;
- struct ioctl_gntalloc_dealloc_gref arg_d;
-
- if (size % page_size) {
- RTE_LOG(ERR, PMD, "%s: %zu isn't multiple of page size\n",
- __func__, size);
- return NULL;
- }
-
- pg_num = size / page_size;
- arg = malloc(sizeof(*arg) + (pg_num - 1) * sizeof(uint32_t));
- if (arg == NULL)
- return NULL;
- arg->domid = DOM0_DOMID;
- arg->flags = GNTALLOC_FLAG_WRITABLE;
- arg->count = pg_num;
-
- rv = ioctl(gntalloc_fd, IOCTL_GNTALLOC_ALLOC_GREF, arg);
- if (rv) {
- RTE_LOG(ERR, PMD, "%s: ioctl error\n", __func__);
- free(arg);
- return NULL;
- }
-
- va = mmap(NULL, size, PROT_READ | PROT_WRITE, MAP_SHARED, gntalloc_fd, arg->index);
- if (va == MAP_FAILED) {
- RTE_LOG(ERR, PMD, "%s: mmap failed\n", __func__);
- arg_d.count = pg_num;
- arg_d.index = arg->index;
- ioctl(gntalloc_fd, IOCTL_GNTALLOC_DEALLOC_GREF, arg_d);
- free(arg);
- return NULL;
- }
-
- if (gref) {
- for (i = 0; i < pg_num; i++) {
- gref[i] = arg->gref_ids[i];
- }
- }
- if (start_index)
- *start_index = arg->index;
-
- free(arg);
-
- return va;
-}
-
-int
-grefwatch_from_alloc(uint32_t *gref, void **pptr)
-{
- int rv;
- void *ptr;
- int pg_size = getpagesize();
- struct ioctl_gntalloc_alloc_gref arg = {
- .domid = DOM0_DOMID,
- .flags = GNTALLOC_FLAG_WRITABLE,
- .count = 1
- };
- struct ioctl_gntalloc_dealloc_gref arg_d;
- struct ioctl_gntalloc_unmap_notify notify = {
- .action = UNMAP_NOTIFY_CLEAR_BYTE
- };
-
- rv = ioctl(gntalloc_fd, IOCTL_GNTALLOC_ALLOC_GREF, &arg);
- if (rv) {
- RTE_LOG(ERR, PMD, "%s: ioctl error\n", __func__);
- return -1;
- }
-
- ptr = (void *)mmap(NULL, pg_size, PROT_READ|PROT_WRITE, MAP_SHARED, gntalloc_fd, arg.index);
- arg_d.index = arg.index;
- arg_d.count = 1;
- if (ptr == MAP_FAILED) {
- RTE_LOG(ERR, PMD, "%s: mmap failed\n", __func__);
- ioctl(gntalloc_fd, IOCTL_GNTALLOC_DEALLOC_GREF, &arg_d);
- return -1;
- }
- if (pptr)
- *pptr = ptr;
- if (gref)
- *gref = arg.gref_ids[0];
-
- notify.index = arg.index;
- rv = ioctl(gntalloc_fd, IOCTL_GNTALLOC_SET_UNMAP_NOTIFY, ¬ify);
- if (rv) {
- RTE_LOG(ERR, PMD, "%s: unmap notify failed\n", __func__);
- munmap(ptr, pg_size);
- ioctl(gntalloc_fd, IOCTL_GNTALLOC_DEALLOC_GREF, &arg_d);
- return -1;
- }
-
- return 0;
-}
-
-void
-gntfree(void *va, size_t sz, uint64_t start_index)
-{
- struct ioctl_gntalloc_dealloc_gref arg_d;
-
- if (va && sz) {
- munmap(va, sz);
- arg_d.count = sz / getpagesize();
- arg_d.index = start_index;
- ioctl(gntalloc_fd, IOCTL_GNTALLOC_DEALLOC_GREF, &arg_d);
- }
-}
-
-static int
-xenstore_cleanup(void)
-{
- char store_path[PATH_MAX] = {0};
-
- if (snprintf(store_path, sizeof(store_path),
- "%s%s", dompath, DPDK_XENSTORE_NODE) == -1)
- return -1;
-
- if (xs_rm(xs, XBT_NULL, store_path) == false) {
- RTE_LOG(ERR, PMD, "%s: failed cleanup node\n", __func__);
- return -1;
- }
-
- return 0;
-}
-
-int
-xenstore_init(void)
-{
- unsigned int len, domid;
- char *buf;
- char *end;
-
- xs = xs_domain_open();
- if (xs == NULL) {
- RTE_LOG(ERR, PMD,"%s: xs_domain_open failed\n", __func__);
- return -1;
- }
- buf = xs_read(xs, XBT_NULL, "domid", &len);
- if (buf == NULL) {
- RTE_LOG(ERR, PMD, "%s: failed read domid\n", __func__);
- return -1;
- }
- errno = 0;
- domid = strtoul(buf, &end, 0);
- if (errno != 0 || end == NULL || end == buf || domid == 0)
- return -1;
-
- RTE_LOG(INFO, PMD, "retrieved dom ID = %d\n", domid);
-
- dompath = xs_get_domain_path(xs, domid);
- if (dompath == NULL)
- return -1;
-
- xs_transaction_start(xs); /* When to stop transaction */
-
- if (is_xenstore_cleaned_up == 0) {
- if (xenstore_cleanup())
- return -1;
- is_xenstore_cleaned_up = 1;
- }
-
- return 0;
-}
-
-int
-xenstore_uninit(void)
-{
- xs_close(xs);
-
- if (is_xenstore_cleaned_up == 0) {
- if (xenstore_cleanup())
- return -1;
- is_xenstore_cleaned_up = 1;
- }
- free(dompath);
- dompath = NULL;
-
- return 0;
-}
-
-int
-xenstore_write(const char *key_str, const char *val_str)
-{
- char grant_path[PATH_MAX];
- int rv, len;
-
- if (xs == NULL) {
- RTE_LOG(ERR, PMD, "%s: xenstore init failed\n", __func__);
- return -1;
- }
- rv = snprintf(grant_path, sizeof(grant_path), "%s%s", dompath, key_str);
- if (rv == -1) {
- RTE_LOG(ERR, PMD, "%s: snprintf %s %s failed\n",
- __func__, dompath, key_str);
- return -1;
- }
- len = strnlen(val_str, PATH_MAX);
-
- if (xs_write(xs, XBT_NULL, grant_path, val_str, len) == false) {
- RTE_LOG(ERR, PMD, "%s: xs_write failed\n", __func__);
- return -1;
- }
-
- return 0;
-}
-
-int
-grant_node_create(uint32_t pg_num, uint32_t *gref_arr, phys_addr_t *pa_arr, char *val_str, size_t str_size)
-{
- uint64_t start_index;
- int pg_size;
- uint32_t pg_shift;
- void *ptr = NULL;
- uint32_t count, entries_per_pg;
- uint32_t i, j = 0, k = 0;
- uint32_t *gref_tmp;
- int first = 1;
- char tmp_str[PATH_MAX] = {0};
- int rv = -1;
-
- pg_size = getpagesize();
- if (rte_is_power_of_2(pg_size) == 0) {
- return -1;
- }
- pg_shift = rte_bsf32(pg_size);
- if (pg_size % sizeof(struct grant_node_item)) {
- RTE_LOG(ERR, PMD, "pg_size isn't a multiple of grant node item\n");
- return -1;
- }
-
- entries_per_pg = pg_size / sizeof(struct grant_node_item);
- count = (pg_num + entries_per_pg - 1 ) / entries_per_pg;
- gref_tmp = malloc(count * sizeof(uint32_t));
- if (gref_tmp == NULL)
- return -1;
- ptr = gntalloc(pg_size * count, gref_tmp, &start_index);
- if (ptr == NULL) {
- RTE_LOG(ERR, PMD, "%s: gntalloc error of %d pages\n", __func__, count);
- free(gref_tmp);
- return -1;
- }
-
- while (j < pg_num) {
- if (first) {
- rv = snprintf(val_str, str_size, "%u", gref_tmp[k]);
- first = 0;
- } else {
- snprintf(tmp_str, PATH_MAX, "%s", val_str);
- rv = snprintf(val_str, str_size, "%s,%u", tmp_str, gref_tmp[k]);
- }
- k++;
- if (rv == -1)
- break;
-
- for (i = 0; i < entries_per_pg && j < pg_num ; i++) {
- ((struct grant_node_item *)ptr)->gref = gref_arr[j];
- ((struct grant_node_item *)ptr)->pfn = pa_arr[j] >> pg_shift;
- ptr = RTE_PTR_ADD(ptr, sizeof(struct grant_node_item));
- j++;
- }
- }
- if (rv == -1) {
- gntfree(ptr, pg_size * count, start_index);
- } else
- rv = 0;
- free(gref_tmp);
- return rv;
-}
-
-
-int
-grant_gntalloc_mbuf_pool(struct rte_mempool *mpool, uint32_t pg_num, uint32_t *gref_arr, phys_addr_t *pa_arr, int mempool_idx)
-{
- char key_str[PATH_MAX] = {0};
- char val_str[PATH_MAX] = {0};
- void *mempool_obj_va;
-
- if (grant_node_create(pg_num, gref_arr, pa_arr, val_str, sizeof(val_str))) {
- return -1;
- }
-
- if (snprintf(key_str, sizeof(key_str),
- DPDK_XENSTORE_PATH"%d"MEMPOOL_XENSTORE_STR, mempool_idx) == -1)
- return -1;
- if (xenstore_write(key_str, val_str) == -1)
- return -1;
-
- if (snprintf(key_str, sizeof(key_str),
- DPDK_XENSTORE_PATH"%d"MEMPOOL_VA_XENSTORE_STR, mempool_idx) == -1)
- return -1;
- if (mpool->nb_mem_chunks != 1) {
- RTE_LOG(ERR, PMD,
- "mempool with more than 1 chunk is not supported\n");
- return -1;
- }
- mempool_obj_va = STAILQ_FIRST(&mpool->mem_list)->addr;
- if (snprintf(val_str, sizeof(val_str), "%"PRIxPTR,
- (uintptr_t)mempool_obj_va) == -1)
- return -1;
- if (xenstore_write(key_str, val_str) == -1)
- return -1;
-
- return 0;
-}
diff --git a/drivers/net/xenvirt/rte_xen_lib.h b/drivers/net/xenvirt/rte_xen_lib.h
deleted file mode 100644
index d973eac..0000000
--- a/drivers/net/xenvirt/rte_xen_lib.h
+++ /dev/null
@@ -1,116 +0,0 @@
-/*-
- * BSD LICENSE
- *
- * Copyright(c) 2010-2015 Intel Corporation. All rights reserved.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- * * Neither the name of Intel Corporation nor the names of its
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef _RTE_XEN_DUMMY_PMD_H
-#define _RTE_XEN_DUMMY_PMD_H
-
-#include <stdint.h>
-
-#include <rte_common.h>
-#include <rte_mempool.h>
-#include <rte_ether.h>
-
-#define PAGEMAP_FNAME "/proc/self/pagemap"
-#define XEN_GNTALLOC_FNAME "/dev/xen/gntalloc"
-#define DPDK_XENSTORE_PATH "/control/dpdk/"
-#define DPDK_XENSTORE_NODE "/control/dpdk"
-/*format 0_mempool_gref = "1537,1524,1533" */
-#define MEMPOOL_XENSTORE_STR "_mempool_gref"
-/*format 0_mempool_va = 0x80340000 */
-#define MEMPOOL_VA_XENSTORE_STR "_mempool_va"
-/*format 0_rx_vring_gref = "1537,1524,1533" */
-#define RXVRING_XENSTORE_STR "_rx_vring_gref"
-/*format 0_tx_vring_gref = "1537,1524,1533" */
-#define TXVRING_XENSTORE_STR "_tx_vring_gref"
-#define VRING_FLAG_STR "_vring_flag"
-/*format: event_type_start_0 = 1*/
-#define EVENT_TYPE_START_STR "event_type_start_"
-
-#define DOM0_DOMID 0
-/*
- * the pfn (page frame number) are bits 0-54 (see pagemap.txt in linux
- * Documentation).
- */
-#define PAGEMAP_PFN_BITS 54
-#define PAGEMAP_PFN_MASK RTE_LEN2MASK(PAGEMAP_PFN_BITS, phys_addr_t)
-
-#define MAP_FLAG 0xA5
-
-#define RTE_ETH_XENVIRT_PAIRS_DELIM ';'
-#define RTE_ETH_XENVIRT_KEY_VALUE_DELIM '='
-#define RTE_ETH_XENVIRT_MAX_ARGS 1
-#define RTE_ETH_XENVIRT_MAC_PARAM "mac"
-struct xenvirt_dict {
- uint8_t addr_valid;
- struct ether_addr addr;
-};
-
-extern int gntalloc_fd;
-
-int
-gntalloc_open(void);
-
-void
-gntalloc_close(void);
-
-void *
-gntalloc(size_t sz, uint32_t *gref, uint64_t *start_index);
-
-void
-gntfree(void *va, size_t sz, uint64_t start_index);
-
-int
-xenstore_init(void);
-
-int
-xenstore_uninit(void);
-
-int
-xenstore_write(const char *key_str, const char *val_str);
-
-int
-get_phys_map(void *va, phys_addr_t pa[], uint32_t pg_num, uint32_t pg_sz);
-
-void *
-get_xen_virtual(size_t size, size_t page_sz);
-
-int
-grefwatch_from_alloc(uint32_t *gref, void **pptr);
-
-
-int grant_node_create(uint32_t pg_num, uint32_t *gref_arr, phys_addr_t *pa_arr, char *val_str, size_t str_size);
-
-int
-grant_gntalloc_mbuf_pool(struct rte_mempool *mpool, uint32_t pg_num, uint32_t *gref_arr, phys_addr_t *pa_arr, int mempool_idx);
-
-#endif
diff --git a/drivers/net/xenvirt/virtio_logs.h b/drivers/net/xenvirt/virtio_logs.h
deleted file mode 100644
index d6c33f7..0000000
--- a/drivers/net/xenvirt/virtio_logs.h
+++ /dev/null
@@ -1,70 +0,0 @@
-/*-
- * BSD LICENSE
- *
- * Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- * * Neither the name of Intel Corporation nor the names of its
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef _VIRTIO_LOGS_H_
-#define _VIRTIO_LOGS_H_
-
-#include <rte_log.h>
-
-#ifdef RTE_LIBRTE_VIRTIO_DEBUG_INIT
-#define PMD_INIT_LOG(level, fmt, args...) \
- RTE_LOG(level, PMD, "%s(): " fmt "\n", __func__, ## args)
-#define PMD_INIT_FUNC_TRACE() PMD_INIT_LOG(DEBUG, " >>")
-#else
-#define PMD_INIT_LOG(level, fmt, args...) do { } while(0)
-#define PMD_INIT_FUNC_TRACE() do { } while(0)
-#endif
-
-#ifdef RTE_LIBRTE_VIRTIO_DEBUG_RX
-#define PMD_RX_LOG(level, fmt, args...) \
- RTE_LOG(level, PMD, "%s() rx: " fmt , __func__, ## args)
-#else
-#define PMD_RX_LOG(level, fmt, args...) do { } while(0)
-#endif
-
-#ifdef RTE_LIBRTE_VIRTIO_DEBUG_TX
-#define PMD_TX_LOG(level, fmt, args...) \
- RTE_LOG(level, PMD, "%s() tx: " fmt , __func__, ## args)
-#else
-#define PMD_TX_LOG(level, fmt, args...) do { } while(0)
-#endif
-
-
-#ifdef RTE_LIBRTE_VIRTIO_DEBUG_DRIVER
-#define PMD_DRV_LOG(level, fmt, args...) \
- RTE_LOG(level, PMD, "%s(): " fmt , __func__, ## args)
-#else
-#define PMD_DRV_LOG(level, fmt, args...) do { } while(0)
-#endif
-
-#endif /* _VIRTIO_LOGS_H_ */
diff --git a/drivers/net/xenvirt/virtqueue.h b/drivers/net/xenvirt/virtqueue.h
deleted file mode 100644
index 1bb6877..0000000
--- a/drivers/net/xenvirt/virtqueue.h
+++ /dev/null
@@ -1,273 +0,0 @@
-/*-
- * BSD LICENSE
- *
- * Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- * * Neither the name of Intel Corporation nor the names of its
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef _VIRTQUEUE_H_
-#define _VIRTQUEUE_H_
-
-#include <stdint.h>
-#include <linux/virtio_ring.h>
-#include <linux/virtio_net.h>
-
-#include <rte_atomic.h>
-#include <rte_memory.h>
-#include <rte_memzone.h>
-#include <rte_mempool.h>
-
-#include "virtio_logs.h"
-
-struct rte_mbuf;
-
-/* The alignment to use between consumer and producer parts of vring. */
-#define VIRTIO_PCI_VRING_ALIGN 4096
-
-enum { VTNET_RQ = 0, VTNET_TQ = 1, VTNET_CQ = 2 };
-
-/**
- * The maximum virtqueue size is 2^15. Use that value as the end of
- * descriptor chain terminator since it will never be a valid index
- * in the descriptor table. This is used to verify we are correctly
- * handling vq_free_cnt.
- */
-#define VQ_RING_DESC_CHAIN_END 32768
-
-#define VIRTQUEUE_MAX_NAME_SZ 32
-
-struct pmd_internals {
- struct rte_eth_stats eth_stats;
- int port_id;
- int virtio_idx;
-};
-
-
-struct virtqueue {
- char vq_name[VIRTQUEUE_MAX_NAME_SZ];
- struct rte_mempool *mpool; /**< mempool for mbuf allocation */
- uint16_t queue_id; /**< DPDK queue index. */
- uint16_t vq_queue_index; /**< PCI queue index */
- uint8_t port_id; /**< Device port identifier. */
-
- void *vq_ring_virt_mem; /**< virtual address of vring*/
- int vq_alignment;
- int vq_ring_size;
-
- struct vring vq_ring; /**< vring keeping desc, used and avail */
- struct pmd_internals *internals; /**< virtio device internal info. */
- uint16_t vq_nentries; /**< vring desc numbers */
- uint16_t vq_desc_head_idx;
- uint16_t vq_free_cnt; /**< num of desc available */
- uint16_t vq_used_cons_idx; /**< Last consumed desc in used table, trails vq_ring.used->idx*/
-
- struct vq_desc_extra {
- void *cookie;
- uint16_t ndescs;
- } vq_descx[0] __rte_cache_aligned;
-};
-
-
-#ifdef RTE_LIBRTE_XENVIRT_DEBUG_DUMP
-#define VIRTQUEUE_DUMP(vq) do { \
- uint16_t used_idx, nused; \
- used_idx = (vq)->vq_ring.used->idx; \
- nused = (uint16_t)(used_idx - (vq)->vq_used_cons_idx); \
- PMD_INIT_LOG(DEBUG, \
- "VQ: %s - size=%d; free=%d; used=%d; desc_head_idx=%d;" \
- " avail.idx=%d; used_cons_idx=%d; used.idx=%d;" \
- " avail.flags=0x%x; used.flags=0x%x\n", \
- (vq)->vq_name, (vq)->vq_nentries, (vq)->vq_free_cnt, nused, \
- (vq)->vq_desc_head_idx, (vq)->vq_ring.avail->idx, \
- (vq)->vq_used_cons_idx, (vq)->vq_ring.used->idx, \
- (vq)->vq_ring.avail->flags, (vq)->vq_ring.used->flags); \
-} while (0)
-#else
-#define VIRTQUEUE_DUMP(vq) do { } while (0)
-#endif
-
-
-/**
- * Dump virtqueue internal structures, for debug purpose only.
- */
-void virtqueue_dump(struct virtqueue *vq);
-
-/**
- * Get all mbufs to be freed.
- */
-struct rte_mbuf * virtqueue_detatch_unused(struct virtqueue *vq);
-
-static __rte_always_inline int
-virtqueue_full(const struct virtqueue *vq)
-{
- return vq->vq_free_cnt == 0;
-}
-
-#define VIRTQUEUE_NUSED(vq) ((uint16_t)((vq)->vq_ring.used->idx - (vq)->vq_used_cons_idx))
-
-static __rte_always_inline void
-vq_ring_update_avail(struct virtqueue *vq, uint16_t desc_idx)
-{
- uint16_t avail_idx;
- /*
- * Place the head of the descriptor chain into the next slot and make
- * it usable to the host. The chain is made available now rather than
- * deferring to virtqueue_notify() in the hopes that if the host is
- * currently running on another CPU, we can keep it processing the new
- * descriptor.
- */
- avail_idx = (uint16_t)(vq->vq_ring.avail->idx & (vq->vq_nentries - 1));
- vq->vq_ring.avail->ring[avail_idx] = desc_idx;
- rte_smp_wmb();
- vq->vq_ring.avail->idx++;
-}
-
-static __rte_always_inline void
-vq_ring_free_chain(struct virtqueue *vq, uint16_t desc_idx)
-{
- struct vring_desc *dp;
- struct vq_desc_extra *dxp;
-
- dp = &vq->vq_ring.desc[desc_idx];
- dxp = &vq->vq_descx[desc_idx];
- vq->vq_free_cnt = (uint16_t)(vq->vq_free_cnt + dxp->ndescs);
- while (dp->flags & VRING_DESC_F_NEXT) {
- dp = &vq->vq_ring.desc[dp->next];
- }
- dxp->ndescs = 0;
-
- /*
- * We must append the existing free chain, if any, to the end of
- * newly freed chain. If the virtqueue was completely used, then
- * head would be VQ_RING_DESC_CHAIN_END (ASSERTed above).
- */
- dp->next = vq->vq_desc_head_idx;
- vq->vq_desc_head_idx = desc_idx;
-}
-
-static __rte_always_inline int
-virtqueue_enqueue_recv_refill(struct virtqueue *rxvq, struct rte_mbuf *cookie)
-{
- const uint16_t needed = 1;
- const uint16_t head_idx = rxvq->vq_desc_head_idx;
- struct vring_desc *start_dp = rxvq->vq_ring.desc;
- struct vq_desc_extra *dxp;
-
- if (unlikely(rxvq->vq_free_cnt == 0))
- return -ENOSPC;
- if (unlikely(rxvq->vq_free_cnt < needed))
- return -EMSGSIZE;
- if (unlikely(head_idx >= rxvq->vq_nentries))
- return -EFAULT;
-
- dxp = &rxvq->vq_descx[head_idx];
- dxp->cookie = (void *)cookie;
- dxp->ndescs = needed;
-
- start_dp[head_idx].addr =
- (uint64_t) ((uintptr_t)cookie->buf_addr + RTE_PKTMBUF_HEADROOM - sizeof(struct virtio_net_hdr));
- start_dp[head_idx].len = cookie->buf_len - RTE_PKTMBUF_HEADROOM + sizeof(struct virtio_net_hdr);
- start_dp[head_idx].flags = VRING_DESC_F_WRITE;
- rxvq->vq_desc_head_idx = start_dp[head_idx].next;
- rxvq->vq_free_cnt = (uint16_t)(rxvq->vq_free_cnt - needed);
- vq_ring_update_avail(rxvq, head_idx);
-
- return 0;
-}
-
-static __rte_always_inline int
-virtqueue_enqueue_xmit(struct virtqueue *txvq, struct rte_mbuf *cookie)
-{
-
- const uint16_t needed = 2;
- struct vring_desc *start_dp = txvq->vq_ring.desc;
- uint16_t head_idx = txvq->vq_desc_head_idx;
- uint16_t idx = head_idx;
- struct vq_desc_extra *dxp;
-
- if (unlikely(txvq->vq_free_cnt == 0))
- return -ENOSPC;
- if (unlikely(txvq->vq_free_cnt < needed))
- return -EMSGSIZE;
- if (unlikely(head_idx >= txvq->vq_nentries))
- return -EFAULT;
-
- dxp = &txvq->vq_descx[idx];
- dxp->cookie = (void *)cookie;
- dxp->ndescs = needed;
-
- start_dp = txvq->vq_ring.desc;
- start_dp[idx].addr = 0;
-/*
- * TODO: save one desc here?
- */
- start_dp[idx].len = sizeof(struct virtio_net_hdr);
- start_dp[idx].flags = VRING_DESC_F_NEXT;
- start_dp[idx].addr = (uintptr_t)NULL;
- idx = start_dp[idx].next;
- start_dp[idx].addr = (uint64_t)rte_pktmbuf_mtod(cookie, uintptr_t);
- start_dp[idx].len = cookie->data_len;
- start_dp[idx].flags = 0;
- idx = start_dp[idx].next;
- txvq->vq_desc_head_idx = idx;
- txvq->vq_free_cnt = (uint16_t)(txvq->vq_free_cnt - needed);
- vq_ring_update_avail(txvq, head_idx);
-
- return 0;
-}
-
-static __rte_always_inline uint16_t
-virtqueue_dequeue_burst(struct virtqueue *vq, struct rte_mbuf **rx_pkts, uint32_t *len, uint16_t num)
-{
- struct vring_used_elem *uep;
- struct rte_mbuf *cookie;
- uint16_t used_idx, desc_idx;
- uint16_t i;
- /* Caller does the check */
- for (i = 0; i < num ; i ++) {
- used_idx = (uint16_t)(vq->vq_used_cons_idx & (vq->vq_nentries - 1));
- uep = &vq->vq_ring.used->ring[used_idx];
- desc_idx = (uint16_t) uep->id;
- cookie = (struct rte_mbuf *)vq->vq_descx[desc_idx].cookie;
- if (unlikely(cookie == NULL)) {
- PMD_DRV_LOG(ERR, "vring descriptor with no mbuf cookie at %u\n",
- vq->vq_used_cons_idx);
- RTE_LOG(ERR, PMD, "%s: inconsistent (%u, %u)\n", __func__, used_idx , desc_idx);
- break;
- }
- len[i] = uep->len;
- rx_pkts[i] = cookie;
- vq->vq_used_cons_idx++;
- vq_ring_free_chain(vq, desc_idx);
- vq->vq_descx[desc_idx].cookie = NULL;
- }
- return i;
-}
-
-#endif /* _VIRTQUEUE_H_ */
diff --git a/mk/rte.app.mk b/mk/rte.app.mk
index c25fdd9..fb6be12 100644
--- a/mk/rte.app.mk
+++ b/mk/rte.app.mk
@@ -144,7 +144,6 @@ ifeq ($(CONFIG_RTE_LIBRTE_VHOST),y)
_LDLIBS-$(CONFIG_RTE_LIBRTE_PMD_VHOST) += -lrte_pmd_vhost
endif # $(CONFIG_RTE_LIBRTE_VHOST)
_LDLIBS-$(CONFIG_RTE_LIBRTE_VMXNET3_PMD) += -lrte_pmd_vmxnet3_uio
-_LDLIBS-$(CONFIG_RTE_LIBRTE_PMD_XENVIRT) += -lrte_pmd_xenvirt -lxenstore
ifeq ($(CONFIG_RTE_LIBRTE_CRYPTODEV),y)
_LDLIBS-$(CONFIG_RTE_LIBRTE_PMD_AESNI_MB) += -lrte_pmd_aesni_mb
diff --git a/pkg/dpdk.spec b/pkg/dpdk.spec
index 5ba3431..95c3335 100644
--- a/pkg/dpdk.spec
+++ b/pkg/dpdk.spec
@@ -90,9 +90,6 @@ sed -ri 's,(RTE_BUILD_SHARED_LIB=).*,\1y,' %{target}/.config
sed -ri 's,(RTE_NEXT_ABI=).*,\1n,' %{target}/.config
sed -ri 's,(LIBRTE_VHOST=).*,\1y,' %{target}/.config
sed -ri 's,(LIBRTE_PMD_PCAP=).*,\1y,' %{target}/.config
-%ifarch i686 x86_64
-sed -ri 's,(LIBRTE_PMD_XENVIRT=).*,\1y,' %{target}/.config
-%endif
make O=%{target} %{?_smp_mflags}
make O=%{target} doc
--
2.7.4
^ permalink raw reply related [flat|nested] 38+ messages in thread
* [PATCH 2/6] net/xenvirt: remove
2017-08-30 18:10 [PATCH 0/6] remove xen dom0 support in DPDK Jianfeng Tan
2017-08-30 18:10 ` [PATCH 1/6] example/vhost_xen: remove Jianfeng Tan
2017-08-30 18:10 ` Jianfeng Tan
@ 2017-08-30 18:10 ` Jianfeng Tan
2017-08-30 18:10 ` Jianfeng Tan
` (7 subsequent siblings)
10 siblings, 0 replies; 38+ messages in thread
From: Jianfeng Tan @ 2017-08-30 18:10 UTC (permalink / raw)
To: dev
Cc: jerin.jacob, shahafs, john.mcnamara, Jianfeng Tan, oao.m.martins,
thomas, xen-devel
Signed-off-by: Jianfeng Tan <jianfeng.tan@intel.com>
---
MAINTAINERS | 2 -
app/test-pmd/Makefile | 4 -
app/test-pmd/testpmd.c | 12 -
config/common_base | 5 -
config/defconfig_arm-armv7a-linuxapp-gcc | 1 -
doc/guides/nics/features/xenvirt.ini | 6 -
drivers/net/Makefile | 2 -
drivers/net/xenvirt/Makefile | 57 --
drivers/net/xenvirt/rte_eth_xenvirt.c | 766 ------------------------
drivers/net/xenvirt/rte_eth_xenvirt.h | 61 --
drivers/net/xenvirt/rte_eth_xenvirt_version.map | 7 -
drivers/net/xenvirt/rte_mempool_gntalloc.c | 295 ---------
drivers/net/xenvirt/rte_xen_lib.c | 454 --------------
drivers/net/xenvirt/rte_xen_lib.h | 116 ----
drivers/net/xenvirt/virtio_logs.h | 70 ---
drivers/net/xenvirt/virtqueue.h | 273 ---------
mk/rte.app.mk | 1 -
pkg/dpdk.spec | 3 -
18 files changed, 2135 deletions(-)
delete mode 100644 doc/guides/nics/features/xenvirt.ini
delete mode 100644 drivers/net/xenvirt/Makefile
delete mode 100644 drivers/net/xenvirt/rte_eth_xenvirt.c
delete mode 100644 drivers/net/xenvirt/rte_eth_xenvirt.h
delete mode 100644 drivers/net/xenvirt/rte_eth_xenvirt_version.map
delete mode 100644 drivers/net/xenvirt/rte_mempool_gntalloc.c
delete mode 100644 drivers/net/xenvirt/rte_xen_lib.c
delete mode 100644 drivers/net/xenvirt/rte_xen_lib.h
delete mode 100644 drivers/net/xenvirt/virtio_logs.h
delete mode 100644 drivers/net/xenvirt/virtqueue.h
diff --git a/MAINTAINERS b/MAINTAINERS
index fe6c6db..003e72e 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -194,9 +194,7 @@ M: Jianfeng Tan <jianfeng.tan@intel.com>
F: lib/librte_eal/linuxapp/xen_dom0/
F: lib/librte_eal/linuxapp/eal/*xen*
F: lib/librte_eal/linuxapp/eal/include/exec-env/rte_dom0_common.h
-F: drivers/net/xenvirt/
F: doc/guides/xen/
-F: doc/guides/nics/features/xenvirt.ini
FreeBSD EAL (with overlaps)
M: Bruce Richardson <bruce.richardson@intel.com>
diff --git a/app/test-pmd/Makefile b/app/test-pmd/Makefile
index c36be19..b6e80dd 100644
--- a/app/test-pmd/Makefile
+++ b/app/test-pmd/Makefile
@@ -77,10 +77,6 @@ ifeq ($(CONFIG_RTE_LIBRTE_BNXT_PMD),y)
LDLIBS += -lrte_pmd_bnxt
endif
-ifeq ($(CONFIG_RTE_LIBRTE_PMD_XENVIRT),y)
-LDLIBS += -lrte_pmd_xenvirt
-endif
-
endif
CFLAGS_cmdline.o := -D_GNU_SOURCE
diff --git a/app/test-pmd/testpmd.c b/app/test-pmd/testpmd.c
index 7d40139..f8d02ae 100644
--- a/app/test-pmd/testpmd.c
+++ b/app/test-pmd/testpmd.c
@@ -76,9 +76,6 @@
#ifdef RTE_LIBRTE_IXGBE_PMD
#include <rte_pmd_ixgbe.h>
#endif
-#ifdef RTE_LIBRTE_PMD_XENVIRT
-#include <rte_eth_xenvirt.h>
-#endif
#ifdef RTE_LIBRTE_PDUMP
#include <rte_pdump.h>
#endif
@@ -497,15 +494,6 @@ mbuf_pool_create(uint16_t mbuf_seg_size, unsigned nb_mbuf,
"create a new mbuf pool <%s>: n=%u, size=%u, socket=%u\n",
pool_name, nb_mbuf, mbuf_seg_size, socket_id);
-#ifdef RTE_LIBRTE_PMD_XENVIRT
- rte_mp = rte_mempool_gntalloc_create(pool_name, nb_mbuf, mb_size,
- (unsigned) mb_mempool_cache,
- sizeof(struct rte_pktmbuf_pool_private),
- rte_pktmbuf_pool_init, NULL,
- rte_pktmbuf_init, NULL,
- socket_id, 0);
-#endif
-
/* if the former XEN allocation failed fall back to normal allocation */
if (rte_mp == NULL) {
if (mp_anon != 0) {
diff --git a/config/common_base b/config/common_base
index 5e97a08..93928b6 100644
--- a/config/common_base
+++ b/config/common_base
@@ -411,11 +411,6 @@ CONFIG_RTE_LIBRTE_AVP_DEBUG_BUFFERS=n
CONFIG_RTE_LIBRTE_PMD_TAP=n
#
-# Compile Xen PMD
-#
-CONFIG_RTE_LIBRTE_PMD_XENVIRT=n
-
-#
# Compile null PMD
#
CONFIG_RTE_LIBRTE_PMD_NULL=y
diff --git a/config/defconfig_arm-armv7a-linuxapp-gcc b/config/defconfig_arm-armv7a-linuxapp-gcc
index 00bc2ab..6628567 100644
--- a/config/defconfig_arm-armv7a-linuxapp-gcc
+++ b/config/defconfig_arm-armv7a-linuxapp-gcc
@@ -76,7 +76,6 @@ CONFIG_RTE_LIBRTE_I40E_PMD=n
CONFIG_RTE_LIBRTE_IXGBE_PMD=n
CONFIG_RTE_LIBRTE_MLX4_PMD=n
CONFIG_RTE_LIBRTE_VMXNET3_PMD=n
-CONFIG_RTE_LIBRTE_PMD_XENVIRT=n
CONFIG_RTE_LIBRTE_PMD_BNX2X=n
CONFIG_RTE_LIBRTE_QEDE_PMD=n
CONFIG_RTE_LIBRTE_SFC_EFX_PMD=n
diff --git a/doc/guides/nics/features/xenvirt.ini b/doc/guides/nics/features/xenvirt.ini
deleted file mode 100644
index 8ab5f46..0000000
--- a/doc/guides/nics/features/xenvirt.ini
+++ /dev/null
@@ -1,6 +0,0 @@
-;
-; Supported features of the 'xenvirt' network poll mode driver.
-;
-; Refer to default.ini for the full list of available PMD features.
-;
-[Features]
diff --git a/drivers/net/Makefile b/drivers/net/Makefile
index d33c959..0e00cd1 100644
--- a/drivers/net/Makefile
+++ b/drivers/net/Makefile
@@ -97,8 +97,6 @@ DIRS-$(CONFIG_RTE_LIBRTE_VIRTIO_PMD) += virtio
DEPDIRS-virtio = $(core-libs)
DIRS-$(CONFIG_RTE_LIBRTE_VMXNET3_PMD) += vmxnet3
DEPDIRS-vmxnet3 = $(core-libs)
-DIRS-$(CONFIG_RTE_LIBRTE_PMD_XENVIRT) += xenvirt
-DEPDIRS-xenvirt = $(core-libs) librte_cmdline
ifeq ($(CONFIG_RTE_LIBRTE_KNI),y)
DIRS-$(CONFIG_RTE_LIBRTE_PMD_KNI) += kni
diff --git a/drivers/net/xenvirt/Makefile b/drivers/net/xenvirt/Makefile
deleted file mode 100644
index 8b4b8f0..0000000
--- a/drivers/net/xenvirt/Makefile
+++ /dev/null
@@ -1,57 +0,0 @@
-# BSD LICENSE
-#
-# Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
-# All rights reserved.
-#
-# Redistribution and use in source and binary forms, with or without
-# modification, are permitted provided that the following conditions
-# are met:
-#
-# * Redistributions of source code must retain the above copyright
-# notice, this list of conditions and the following disclaimer.
-# * Redistributions in binary form must reproduce the above copyright
-# notice, this list of conditions and the following disclaimer in
-# the documentation and/or other materials provided with the
-# distribution.
-# * Neither the name of Intel Corporation nor the names of its
-# contributors may be used to endorse or promote products derived
-# from this software without specific prior written permission.
-#
-# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-include $(RTE_SDK)/mk/rte.vars.mk
-
-#
-# library name
-#
-LIB = librte_pmd_xenvirt.a
-
-CFLAGS += -O3
-CFLAGS += $(WERROR_FLAGS)
-LDLIBS += -lxenstore
-
-EXPORT_MAP := rte_eth_xenvirt_version.map
-
-LIBABIVER := 1
-
-#
-# all source are stored in SRCS-y
-#
-SRCS-$(CONFIG_RTE_LIBRTE_PMD_XENVIRT) += rte_eth_xenvirt.c rte_mempool_gntalloc.c rte_xen_lib.c
-
-#
-# Export include files
-#
-SYMLINK-y-include += rte_eth_xenvirt.h
-
-include $(RTE_SDK)/mk/rte.lib.mk
diff --git a/drivers/net/xenvirt/rte_eth_xenvirt.c b/drivers/net/xenvirt/rte_eth_xenvirt.c
deleted file mode 100644
index e404b77..0000000
--- a/drivers/net/xenvirt/rte_eth_xenvirt.c
+++ /dev/null
@@ -1,766 +0,0 @@
-/*-
- * BSD LICENSE
- *
- * Copyright(c) 2010-2015 Intel Corporation. All rights reserved.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- * * Neither the name of Intel Corporation nor the names of its
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include <stdint.h>
-#include <unistd.h>
-#include <stdlib.h>
-#include <string.h>
-#include <sys/types.h>
-#include <sys/mman.h>
-#include <errno.h>
-#include <sys/user.h>
-#ifndef PAGE_SIZE
-#define PAGE_SIZE sysconf(_SC_PAGE_SIZE)
-#endif
-#include <linux/binfmts.h>
-#include <xen/xen-compat.h>
-#if __XEN_LATEST_INTERFACE_VERSION__ < 0x00040200
-#include <xs.h>
-#else
-#include <xenstore.h>
-#endif
-#include <linux/virtio_ring.h>
-
-#include <rte_mbuf.h>
-#include <rte_ethdev.h>
-#include <rte_malloc.h>
-#include <rte_memcpy.h>
-#include <rte_string_fns.h>
-#include <rte_vdev.h>
-#include <cmdline_parse.h>
-#include <cmdline_parse_etheraddr.h>
-
-#include "rte_xen_lib.h"
-#include "virtqueue.h"
-#include "rte_eth_xenvirt.h"
-
-#define VQ_DESC_NUM 256
-#define VIRTIO_MBUF_BURST_SZ 64
-
-/* virtio_idx is increased after new device is created.*/
-static int virtio_idx = 0;
-
-static struct rte_eth_link pmd_link = {
- .link_speed = ETH_SPEED_NUM_10G,
- .link_duplex = ETH_LINK_FULL_DUPLEX,
- .link_status = ETH_LINK_DOWN,
- .link_autoneg = ETH_LINK_SPEED_FIXED
-};
-
-static void
-eth_xenvirt_free_queues(struct rte_eth_dev *dev);
-
-static uint16_t
-eth_xenvirt_rx(void *q, struct rte_mbuf **rx_pkts, uint16_t nb_pkts)
-{
- struct virtqueue *rxvq = q;
- struct rte_mbuf *rxm, *new_mbuf;
- uint16_t nb_used, num;
- uint32_t len[VIRTIO_MBUF_BURST_SZ];
- uint32_t i;
- struct pmd_internals *pi = rxvq->internals;
-
- nb_used = VIRTQUEUE_NUSED(rxvq);
-
- rte_smp_rmb();
- num = (uint16_t)(likely(nb_used <= nb_pkts) ? nb_used : nb_pkts);
- num = (uint16_t)(likely(num <= VIRTIO_MBUF_BURST_SZ) ? num : VIRTIO_MBUF_BURST_SZ);
- if (unlikely(num == 0)) return 0;
-
- num = virtqueue_dequeue_burst(rxvq, rx_pkts, len, num);
- PMD_RX_LOG(DEBUG, "used:%d dequeue:%d\n", nb_used, num);
- for (i = 0; i < num ; i ++) {
- rxm = rx_pkts[i];
- PMD_RX_LOG(DEBUG, "packet len:%d\n", len[i]);
- rxm->next = NULL;
- rxm->data_off = RTE_PKTMBUF_HEADROOM;
- rxm->data_len = (uint16_t)(len[i] - sizeof(struct virtio_net_hdr));
- rxm->nb_segs = 1;
- rxm->port = pi->port_id;
- rxm->pkt_len = (uint32_t)(len[i] - sizeof(struct virtio_net_hdr));
- }
- /* allocate new mbuf for the used descriptor */
- while (likely(!virtqueue_full(rxvq))) {
- new_mbuf = rte_mbuf_raw_alloc(rxvq->mpool);
- if (unlikely(new_mbuf == NULL)) {
- break;
- }
- if (unlikely(virtqueue_enqueue_recv_refill(rxvq, new_mbuf))) {
- rte_pktmbuf_free_seg(new_mbuf);
- break;
- }
- }
- pi->eth_stats.ipackets += num;
- return num;
-}
-
-static uint16_t
-eth_xenvirt_tx(void *tx_queue, struct rte_mbuf **tx_pkts, uint16_t nb_pkts)
-{
- struct virtqueue *txvq = tx_queue;
- struct rte_mbuf *txm;
- uint16_t nb_used, nb_tx, num, i;
- int error;
- uint32_t len[VIRTIO_MBUF_BURST_SZ];
- struct rte_mbuf *snd_pkts[VIRTIO_MBUF_BURST_SZ];
- struct pmd_internals *pi = txvq->internals;
-
- nb_tx = 0;
-
- if (unlikely(nb_pkts == 0))
- return 0;
-
- PMD_TX_LOG(DEBUG, "%d packets to xmit", nb_pkts);
- nb_used = VIRTQUEUE_NUSED(txvq);
-
- rte_smp_rmb();
-
- num = (uint16_t)(likely(nb_used <= VIRTIO_MBUF_BURST_SZ) ? nb_used : VIRTIO_MBUF_BURST_SZ);
- num = virtqueue_dequeue_burst(txvq, snd_pkts, len, num);
-
- for (i = 0; i < num ; i ++) {
- /* mergable not supported, one segment only */
- rte_pktmbuf_free_seg(snd_pkts[i]);
- }
-
- while (nb_tx < nb_pkts) {
- if (likely(!virtqueue_full(txvq))) {
- /* TODO drop tx_pkts if it contains multiple segments */
- txm = tx_pkts[nb_tx];
- error = virtqueue_enqueue_xmit(txvq, txm);
- if (unlikely(error)) {
- if (error == ENOSPC)
- PMD_TX_LOG(ERR, "virtqueue_enqueue Free count = 0\n");
- else if (error == EMSGSIZE)
- PMD_TX_LOG(ERR, "virtqueue_enqueue Free count < 1\n");
- else
- PMD_TX_LOG(ERR, "virtqueue_enqueue error: %d\n", error);
- break;
- }
- nb_tx++;
- } else {
- PMD_TX_LOG(ERR, "No free tx descriptors to transmit\n");
- /* virtqueue_notify not needed in our para-virt solution */
- break;
- }
- }
- pi->eth_stats.opackets += nb_tx;
- return nb_tx;
-}
-
-static int
-eth_dev_configure(struct rte_eth_dev *dev __rte_unused)
-{
- RTE_LOG(ERR, PMD, "%s\n", __func__);
- return 0;
-}
-
-/*
- * Create a shared page between guest and host.
- * Host monitors this page if it is cleared on unmap, and then
- * do necessary clean up.
- */
-static void
-gntalloc_vring_flag(int vtidx)
-{
- char key_str[PATH_MAX];
- char val_str[PATH_MAX];
- uint32_t gref_tmp;
- void *ptr;
-
- if (grefwatch_from_alloc(&gref_tmp, &ptr)) {
- RTE_LOG(ERR, PMD, "grefwatch_from_alloc error\n");
- exit(0);
- }
-
- *(uint8_t *)ptr = MAP_FLAG;
- snprintf(val_str, sizeof(val_str), "%u", gref_tmp);
- snprintf(key_str, sizeof(key_str),
- DPDK_XENSTORE_PATH"%d"VRING_FLAG_STR, vtidx);
- xenstore_write(key_str, val_str);
-}
-
-/*
- * Notify host this virtio device is started.
- * Host could start polling this device.
- */
-static void
-dev_start_notify(int vtidx)
-{
- char key_str[PATH_MAX];
- char val_str[PATH_MAX];
-
- RTE_LOG(INFO, PMD, "%s: virtio %d is started\n", __func__, vtidx);
- gntalloc_vring_flag(vtidx);
-
- snprintf(key_str, sizeof(key_str), "%s%s%d",
- DPDK_XENSTORE_PATH, EVENT_TYPE_START_STR,
- vtidx);
- snprintf(val_str, sizeof(val_str), "1");
- xenstore_write(key_str, val_str);
-}
-
-/*
- * Notify host this virtio device is stopped.
- * Host could stop polling this device.
- */
-static void
-dev_stop_notify(int vtidx)
-{
- RTE_SET_USED(vtidx);
-}
-
-
-static int
-update_mac_address(struct ether_addr *mac_addrs, int vtidx)
-{
- char key_str[PATH_MAX];
- char val_str[PATH_MAX];
- int rv;
-
- if (mac_addrs == NULL) {
- RTE_LOG(ERR, PMD, "%s: NULL pointer mac specified\n", __func__);
- return -1;
- }
- rv = snprintf(key_str, sizeof(key_str),
- DPDK_XENSTORE_PATH"%d_ether_addr", vtidx);
- if (rv == -1)
- return rv;
- rv = snprintf(val_str, sizeof(val_str), "%02x:%02x:%02x:%02x:%02x:%02x",
- mac_addrs->addr_bytes[0],
- mac_addrs->addr_bytes[1],
- mac_addrs->addr_bytes[2],
- mac_addrs->addr_bytes[3],
- mac_addrs->addr_bytes[4],
- mac_addrs->addr_bytes[5]);
- if (rv == -1)
- return rv;
- if (xenstore_write(key_str, val_str))
- return rv;
- return 0;
-}
-
-
-static int
-eth_dev_start(struct rte_eth_dev *dev)
-{
- struct virtqueue *rxvq = dev->data->rx_queues[0];
- struct virtqueue *txvq = dev->data->tx_queues[0];
- struct rte_mbuf *m;
- struct pmd_internals *pi = (struct pmd_internals *)dev->data->dev_private;
- int rv;
-
- dev->data->dev_link.link_status = ETH_LINK_UP;
- while (!virtqueue_full(rxvq)) {
- m = rte_mbuf_raw_alloc(rxvq->mpool);
- if (m == NULL)
- break;
- /* Enqueue allocated buffers. */
- if (virtqueue_enqueue_recv_refill(rxvq, m)) {
- rte_pktmbuf_free_seg(m);
- break;
- }
- }
-
- rxvq->internals = pi;
- txvq->internals = pi;
-
- rv = update_mac_address(dev->data->mac_addrs, pi->virtio_idx);
- if (rv)
- return -1;
- dev_start_notify(pi->virtio_idx);
-
- return 0;
-}
-
-static void
-eth_dev_stop(struct rte_eth_dev *dev)
-{
- struct pmd_internals *pi = (struct pmd_internals *)dev->data->dev_private;
-
- dev->data->dev_link.link_status = ETH_LINK_DOWN;
- dev_stop_notify(pi->virtio_idx);
-}
-
-/*
- * Notify host this virtio device is closed.
- * Host could do necessary clean up to this device.
- */
-static void
-eth_dev_close(struct rte_eth_dev *dev)
-{
- eth_xenvirt_free_queues(dev);
-}
-
-static void
-eth_dev_info(struct rte_eth_dev *dev,
- struct rte_eth_dev_info *dev_info)
-{
- struct pmd_internals *internals = dev->data->dev_private;
-
- RTE_SET_USED(internals);
- dev_info->max_mac_addrs = 1;
- dev_info->max_rx_pktlen = (uint32_t)2048;
- dev_info->max_rx_queues = (uint16_t)1;
- dev_info->max_tx_queues = (uint16_t)1;
- dev_info->min_rx_bufsize = 0;
-}
-
-static void
-eth_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
-{
- struct pmd_internals *internals = dev->data->dev_private;
- if(stats)
- rte_memcpy(stats, &internals->eth_stats, sizeof(*stats));
-}
-
-static void
-eth_stats_reset(struct rte_eth_dev *dev)
-{
- struct pmd_internals *internals = dev->data->dev_private;
- /* Reset software totals */
- memset(&internals->eth_stats, 0, sizeof(internals->eth_stats));
-}
-
-static void
-eth_queue_release(void *q)
-{
- rte_free(q);
-}
-
-static int
-eth_link_update(struct rte_eth_dev *dev __rte_unused,
- int wait_to_complete __rte_unused)
-{
- return 0;
-}
-
-/*
- * Create shared vring between guest and host.
- * Memory is allocated through grant alloc driver, so it is not physical continuous.
- */
-static void *
-gntalloc_vring_create(int queue_type, uint32_t size, int vtidx)
-{
- char key_str[PATH_MAX] = {0};
- char val_str[PATH_MAX] = {0};
- void *va = NULL;
- int pg_size;
- uint32_t pg_num;
- uint32_t *gref_arr = NULL;
- phys_addr_t *pa_arr = NULL;
- uint64_t start_index;
- int rv;
-
- pg_size = getpagesize();
- size = RTE_ALIGN_CEIL(size, pg_size);
- pg_num = size / pg_size;
-
- gref_arr = calloc(pg_num, sizeof(gref_arr[0]));
- pa_arr = calloc(pg_num, sizeof(pa_arr[0]));
-
- if (gref_arr == NULL || pa_arr == NULL) {
- RTE_LOG(ERR, PMD, "%s: calloc failed\n", __func__);
- goto out;
- }
-
- va = gntalloc(size, gref_arr, &start_index);
- if (va == NULL) {
- RTE_LOG(ERR, PMD, "%s: gntalloc failed\n", __func__);
- goto out;
- }
-
- if (get_phys_map(va, pa_arr, pg_num, pg_size))
- goto out;
-
- /* write in xenstore gref and pfn for each page of vring */
- if (grant_node_create(pg_num, gref_arr, pa_arr, val_str, sizeof(val_str))) {
- gntfree(va, size, start_index);
- va = NULL;
- goto out;
- }
-
- if (queue_type == VTNET_RQ)
- rv = snprintf(key_str, sizeof(key_str), DPDK_XENSTORE_PATH"%d"RXVRING_XENSTORE_STR, vtidx);
- else
- rv = snprintf(key_str, sizeof(key_str), DPDK_XENSTORE_PATH"%d"TXVRING_XENSTORE_STR, vtidx);
- if (rv == -1 || xenstore_write(key_str, val_str) == -1) {
- gntfree(va, size, start_index);
- va = NULL;
- }
-out:
- free(pa_arr);
- free(gref_arr);
-
- return va;
-}
-
-
-
-static struct virtqueue *
-virtio_queue_setup(struct rte_eth_dev *dev, int queue_type)
-{
- struct virtqueue *vq = NULL;
- uint16_t vq_size = VQ_DESC_NUM;
- int i = 0;
- char vq_name[VIRTQUEUE_MAX_NAME_SZ];
- size_t size;
- struct vring *vr;
-
- /* Allocate memory for virtqueue. */
- if (queue_type == VTNET_RQ) {
- snprintf(vq_name, sizeof(vq_name), "port%d_rvq",
- dev->data->port_id);
- vq = rte_zmalloc(vq_name, sizeof(struct virtqueue) +
- vq_size * sizeof(struct vq_desc_extra), RTE_CACHE_LINE_SIZE);
- if (vq == NULL) {
- RTE_LOG(ERR, PMD, "%s: unabled to allocate virtqueue\n", __func__);
- return NULL;
- }
- memcpy(vq->vq_name, vq_name, sizeof(vq->vq_name));
- } else if(queue_type == VTNET_TQ) {
- snprintf(vq_name, sizeof(vq_name), "port%d_tvq",
- dev->data->port_id);
- vq = rte_zmalloc(vq_name, sizeof(struct virtqueue) +
- vq_size * sizeof(struct vq_desc_extra), RTE_CACHE_LINE_SIZE);
- if (vq == NULL) {
- RTE_LOG(ERR, PMD, "%s: unabled to allocate virtqueue\n", __func__);
- return NULL;
- }
- memcpy(vq->vq_name, vq_name, sizeof(vq->vq_name));
- }
-
- memcpy(vq->vq_name, vq_name, sizeof(vq->vq_name));
-
- vq->vq_alignment = VIRTIO_PCI_VRING_ALIGN;
- vq->vq_nentries = vq_size;
- vq->vq_free_cnt = vq_size;
- /* Calcuate vring size according to virtio spec */
- size = vring_size(vq_size, VIRTIO_PCI_VRING_ALIGN);
- vq->vq_ring_size = RTE_ALIGN_CEIL(size, VIRTIO_PCI_VRING_ALIGN);
- /* Allocate memory for virtio vring through gntalloc driver*/
- vq->vq_ring_virt_mem = gntalloc_vring_create(queue_type, vq->vq_ring_size,
- ((struct pmd_internals *)dev->data->dev_private)->virtio_idx);
- memset(vq->vq_ring_virt_mem, 0, vq->vq_ring_size);
- vr = &vq->vq_ring;
- vring_init(vr, vq_size, vq->vq_ring_virt_mem, vq->vq_alignment);
- /*
- * Locally maintained last consumed index, this idex trails
- * vq_ring.used->idx.
- */
- vq->vq_used_cons_idx = 0;
- vq->vq_desc_head_idx = 0;
- vq->vq_free_cnt = vq->vq_nentries;
- memset(vq->vq_descx, 0, sizeof(struct vq_desc_extra) * vq->vq_nentries);
-
- /* Chain all the descriptors in the ring with an END */
- for (i = 0; i < vq_size - 1; i++)
- vr->desc[i].next = (uint16_t)(i + 1);
- vr->desc[i].next = VQ_RING_DESC_CHAIN_END;
-
- return vq;
-}
-
-static int
-eth_rx_queue_setup(struct rte_eth_dev *dev,uint16_t rx_queue_id,
- uint16_t nb_rx_desc __rte_unused,
- unsigned int socket_id __rte_unused,
- const struct rte_eth_rxconf *rx_conf __rte_unused,
- struct rte_mempool *mb_pool)
-{
- struct virtqueue *vq;
- vq = dev->data->rx_queues[rx_queue_id] = virtio_queue_setup(dev, VTNET_RQ);
- vq->mpool = mb_pool;
- return 0;
-}
-
-static int
-eth_tx_queue_setup(struct rte_eth_dev *dev, uint16_t tx_queue_id,
- uint16_t nb_tx_desc __rte_unused,
- unsigned int socket_id __rte_unused,
- const struct rte_eth_txconf *tx_conf __rte_unused)
-{
- dev->data->tx_queues[tx_queue_id] = virtio_queue_setup(dev, VTNET_TQ);
- return 0;
-}
-
-static void
-eth_xenvirt_free_queues(struct rte_eth_dev *dev)
-{
- int i;
-
- for (i = 0; i < dev->data->nb_rx_queues; i++) {
- eth_queue_release(dev->data->rx_queues[i]);
- dev->data->rx_queues[i] = NULL;
- }
- dev->data->nb_rx_queues = 0;
-
- for (i = 0; i < dev->data->nb_tx_queues; i++) {
- eth_queue_release(dev->data->tx_queues[i]);
- dev->data->tx_queues[i] = NULL;
- }
- dev->data->nb_tx_queues = 0;
-}
-
-static const struct eth_dev_ops ops = {
- .dev_start = eth_dev_start,
- .dev_stop = eth_dev_stop,
- .dev_close = eth_dev_close,
- .dev_configure = eth_dev_configure,
- .dev_infos_get = eth_dev_info,
- .rx_queue_setup = eth_rx_queue_setup,
- .tx_queue_setup = eth_tx_queue_setup,
- .rx_queue_release = eth_queue_release,
- .tx_queue_release = eth_queue_release,
- .link_update = eth_link_update,
- .stats_get = eth_stats_get,
- .stats_reset = eth_stats_reset,
-};
-
-
-static int
-rte_eth_xenvirt_parse_args(struct xenvirt_dict *dict,
- const char *name, const char *params)
-{
- int i;
- char *pairs[RTE_ETH_XENVIRT_MAX_ARGS];
- int num_of_pairs;
- char *pair[2];
- char *args;
- int ret = -1;
-
- if (params == NULL)
- return 0;
-
- args = rte_zmalloc(NULL, strlen(params) + 1, RTE_CACHE_LINE_SIZE);
- if (args == NULL) {
- RTE_LOG(ERR, PMD, "Couldn't parse %s device \n", name);
- return -1;
- }
- rte_memcpy(args, params, strlen(params));
-
- num_of_pairs = rte_strsplit(args, strnlen(args, MAX_ARG_STRLEN),
- pairs,
- RTE_ETH_XENVIRT_MAX_ARGS ,
- RTE_ETH_XENVIRT_PAIRS_DELIM);
-
- for (i = 0; i < num_of_pairs; i++) {
- pair[0] = NULL;
- pair[1] = NULL;
- rte_strsplit(pairs[i], strnlen(pairs[i], MAX_ARG_STRLEN),
- pair, 2,
- RTE_ETH_XENVIRT_KEY_VALUE_DELIM);
-
- if (pair[0] == NULL || pair[1] == NULL || pair[0][0] == 0
- || pair[1][0] == 0) {
- RTE_LOG(ERR, PMD,
- "Couldn't parse %s device,"
- "wrong key or value \n", name);
- goto err;
- }
-
- if (!strncmp(pair[0], RTE_ETH_XENVIRT_MAC_PARAM,
- sizeof(RTE_ETH_XENVIRT_MAC_PARAM))) {
- if (cmdline_parse_etheraddr(NULL,
- pair[1],
- &dict->addr,
- sizeof(dict->addr)) < 0) {
- RTE_LOG(ERR, PMD,
- "Invalid %s device ether address\n",
- name);
- goto err;
- }
-
- dict->addr_valid = 1;
- }
- }
-
- ret = 0;
-err:
- rte_free(args);
- return ret;
-}
-
-enum dev_action {
- DEV_CREATE,
- DEV_ATTACH
-};
-
-static struct rte_vdev_driver pmd_xenvirt_drv;
-
-static int
-eth_dev_xenvirt_create(const char *name, const char *params,
- const unsigned numa_node,
- enum dev_action action)
-{
- struct rte_eth_dev_data *data = NULL;
- struct pmd_internals *internals = NULL;
- struct rte_eth_dev *eth_dev = NULL;
- struct xenvirt_dict dict;
-
- memset(&dict, 0, sizeof(struct xenvirt_dict));
-
- RTE_LOG(INFO, PMD, "Creating virtio rings backed ethdev on numa socket %u\n",
- numa_node);
- RTE_SET_USED(action);
-
- if (rte_eth_xenvirt_parse_args(&dict, name, params) < 0) {
- RTE_LOG(ERR, PMD, "%s: Failed to parse ethdev parameters\n", __func__);
- return -1;
- }
-
- /* now do all data allocation - for eth_dev structure, dummy pci driver
- * and internal (private) data
- */
- data = rte_zmalloc_socket(name, sizeof(*data), 0, numa_node);
- if (data == NULL)
- goto err;
-
- internals = rte_zmalloc_socket(name, sizeof(*internals), 0, numa_node);
- if (internals == NULL)
- goto err;
-
- /* reserve an ethdev entry */
- eth_dev = rte_eth_dev_allocate(name);
- if (eth_dev == NULL)
- goto err;
-
- data->dev_private = internals;
- data->port_id = eth_dev->data->port_id;
- data->nb_rx_queues = (uint16_t)1;
- data->nb_tx_queues = (uint16_t)1;
- data->dev_link = pmd_link;
- data->mac_addrs = rte_zmalloc("xen_virtio", ETHER_ADDR_LEN, 0);
-
- if(dict.addr_valid)
- memcpy(&data->mac_addrs->addr_bytes, &dict.addr, sizeof(struct ether_addr));
- else
- eth_random_addr(&data->mac_addrs->addr_bytes[0]);
-
- eth_dev->data = data;
- eth_dev->dev_ops = &ops;
-
- eth_dev->data->dev_flags = RTE_ETH_DEV_DETACHABLE;
- eth_dev->data->kdrv = RTE_KDRV_NONE;
- eth_dev->data->numa_node = numa_node;
-
- eth_dev->rx_pkt_burst = eth_xenvirt_rx;
- eth_dev->tx_pkt_burst = eth_xenvirt_tx;
-
- internals->virtio_idx = virtio_idx++;
- internals->port_id = eth_dev->data->port_id;
-
- return 0;
-
-err:
- rte_free(data);
- rte_free(internals);
-
- return -1;
-}
-
-
-static int
-eth_dev_xenvirt_free(const char *name, const unsigned numa_node)
-{
- struct rte_eth_dev *eth_dev = NULL;
-
- RTE_LOG(DEBUG, PMD,
- "Free virtio rings backed ethdev on numa socket %u\n",
- numa_node);
-
- /* find an ethdev entry */
- eth_dev = rte_eth_dev_allocated(name);
- if (eth_dev == NULL)
- return -1;
-
- if (eth_dev->data->dev_started == 1) {
- eth_dev_stop(eth_dev);
- eth_dev_close(eth_dev);
- }
-
- eth_dev->rx_pkt_burst = NULL;
- eth_dev->tx_pkt_burst = NULL;
- eth_dev->dev_ops = NULL;
-
- rte_free(eth_dev->data);
- rte_free(eth_dev->data->dev_private);
- rte_free(eth_dev->data->mac_addrs);
-
- virtio_idx--;
-
- return 0;
-}
-
-/*TODO: Support multiple process model */
-static int
-rte_pmd_xenvirt_probe(struct rte_vdev_device *dev)
-{
- if (virtio_idx == 0) {
- if (xenstore_init() != 0) {
- RTE_LOG(ERR, PMD, "%s: xenstore init failed\n", __func__);
- return -1;
- }
- if (gntalloc_open() != 0) {
- RTE_LOG(ERR, PMD, "%s: grant init failed\n", __func__);
- return -1;
- }
- }
- eth_dev_xenvirt_create(rte_vdev_device_name(dev),
- rte_vdev_device_args(dev), rte_socket_id(), DEV_CREATE);
- return 0;
-}
-
-static int
-rte_pmd_xenvirt_remove(struct rte_vdev_device *dev)
-{
- eth_dev_xenvirt_free(rte_vdev_device_name(dev), rte_socket_id());
-
- if (virtio_idx == 0) {
- if (xenstore_uninit() != 0)
- RTE_LOG(ERR, PMD, "%s: xenstore uninit failed\n", __func__);
-
- gntalloc_close();
- }
- return 0;
-}
-
-static struct rte_vdev_driver pmd_xenvirt_drv = {
- .probe = rte_pmd_xenvirt_probe,
- .remove = rte_pmd_xenvirt_remove,
-};
-
-RTE_PMD_REGISTER_VDEV(net_xenvirt, pmd_xenvirt_drv);
-RTE_PMD_REGISTER_ALIAS(net_xenvirt, eth_xenvirt);
-RTE_PMD_REGISTER_PARAM_STRING(net_xenvirt,
- "mac=<mac addr>");
diff --git a/drivers/net/xenvirt/rte_eth_xenvirt.h b/drivers/net/xenvirt/rte_eth_xenvirt.h
deleted file mode 100644
index 598adc6..0000000
--- a/drivers/net/xenvirt/rte_eth_xenvirt.h
+++ /dev/null
@@ -1,61 +0,0 @@
-/*-
- * BSD LICENSE
- *
- * Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- * * Neither the name of Intel Corporation nor the names of its
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef _RTE_ETH_XENVIRT_H_
-#define _RTE_ETH_XENVIRT_H_
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-#include <rte_mempool.h>
-
-/**
- * Creates mempool for xen virtio PMD.
- * This function uses memzone_reserve to allocate memory for meta data,
- * and uses grant alloc driver to allocate memory for data area.
- * The input parameters are exactly the same as rte_mempool_create.
- */
-struct rte_mempool *
-rte_mempool_gntalloc_create(const char *name, unsigned elt_num, unsigned elt_size,
- unsigned cache_size, unsigned private_data_size,
- rte_mempool_ctor_t *mp_init, void *mp_init_arg,
- rte_mempool_obj_cb_t *obj_init, void *obj_init_arg,
- int socket_id, unsigned flags);
-
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif
diff --git a/drivers/net/xenvirt/rte_eth_xenvirt_version.map b/drivers/net/xenvirt/rte_eth_xenvirt_version.map
deleted file mode 100644
index dd636f7..0000000
--- a/drivers/net/xenvirt/rte_eth_xenvirt_version.map
+++ /dev/null
@@ -1,7 +0,0 @@
-DPDK_2.0 {
- global:
-
- rte_mempool_gntalloc_create;
-
- local: *;
-};
diff --git a/drivers/net/xenvirt/rte_mempool_gntalloc.c b/drivers/net/xenvirt/rte_mempool_gntalloc.c
deleted file mode 100644
index 73e82f8..0000000
--- a/drivers/net/xenvirt/rte_mempool_gntalloc.c
+++ /dev/null
@@ -1,295 +0,0 @@
-/*-
- * BSD LICENSE
- *
- * Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- * * Neither the name of Intel Corporation nor the names of its
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include <stdint.h>
-#include <unistd.h>
-#include <stdlib.h>
-#include <sys/mman.h>
-#include <sys/ioctl.h>
-#include <string.h>
-#include <xen/sys/gntalloc.h>
-
-#include <rte_common.h>
-#include <rte_mempool.h>
-#include <rte_memory.h>
-#include <rte_errno.h>
-
-#include "rte_xen_lib.h"
-#include "rte_eth_xenvirt.h"
-
-struct _gntarr {
- uint32_t gref;
- phys_addr_t pa;
- uint64_t index;
- void *va;
-};
-
-struct _mempool_gntalloc_info {
- struct rte_mempool *mp;
- uint32_t pg_num;
- uint32_t *gref_arr;
- phys_addr_t *pa_arr;
- void *va;
- uint32_t mempool_idx;
- uint64_t start_index;
-};
-
-
-static rte_atomic32_t global_xenvirt_mempool_idx = RTE_ATOMIC32_INIT(-1);
-
-static int
-compare(const void *p1, const void *p2)
-{
- return ((const struct _gntarr *)p1)->pa - ((const struct _gntarr *)p2)->pa;
-}
-
-
-static struct _mempool_gntalloc_info
-_create_mempool(const char *name, unsigned elt_num, unsigned elt_size,
- unsigned cache_size, unsigned private_data_size,
- rte_mempool_ctor_t *mp_init, void *mp_init_arg,
- rte_mempool_obj_cb_t *obj_init, void *obj_init_arg,
- int socket_id, unsigned flags)
-{
- struct _mempool_gntalloc_info mgi;
- struct rte_mempool *mp = NULL;
- struct rte_mempool_objsz objsz;
- uint32_t pg_num, rpg_num, pg_shift, pg_sz;
- char *va, *orig_va, *uv; /* uv: from which, the pages could be freed */
- ssize_t sz, usz; /* usz: unused size */
- /*
- * for each page allocated through xen_gntalloc driver,
- * gref_arr:stores grant references,
- * pa_arr: stores physical address,
- * gnt_arr: stores all meta dat
- */
- uint32_t *gref_arr = NULL;
- phys_addr_t *pa_arr = NULL;
- struct _gntarr *gnt_arr = NULL;
- /* start index of the grant referances, used for dealloc*/
- uint64_t start_index;
- uint32_t i, j;
- int rv = 0;
- struct ioctl_gntalloc_dealloc_gref arg;
-
- mgi.mp = NULL;
- va = orig_va = uv = NULL;
- pg_num = rpg_num = 0;
- sz = 0;
-
- pg_sz = getpagesize();
- if (rte_is_power_of_2(pg_sz) == 0) {
- goto out;
- }
- pg_shift = rte_bsf32(pg_sz);
-
- rte_mempool_calc_obj_size(elt_size, flags, &objsz);
- sz = rte_mempool_xmem_size(elt_num, objsz.total_size, pg_shift);
- pg_num = sz >> pg_shift;
-
- pa_arr = calloc(pg_num, sizeof(pa_arr[0]));
- gref_arr = calloc(pg_num, sizeof(gref_arr[0]));
- gnt_arr = calloc(pg_num, sizeof(gnt_arr[0]));
- if ((gnt_arr == NULL) || (gref_arr == NULL) || (pa_arr == NULL))
- goto out;
-
- /* grant index is continuous in ascending order */
- orig_va = gntalloc(sz, gref_arr, &start_index);
- if (orig_va == NULL)
- goto out;
-
- get_phys_map(orig_va, pa_arr, pg_num, pg_sz);
- for (i = 0; i < pg_num; i++) {
- gnt_arr[i].index = start_index + i * pg_sz;
- gnt_arr[i].gref = gref_arr[i];
- gnt_arr[i].pa = pa_arr[i];
- gnt_arr[i].va = RTE_PTR_ADD(orig_va, i * pg_sz);
- }
- qsort(gnt_arr, pg_num, sizeof(struct _gntarr), compare);
-
- va = get_xen_virtual(sz, pg_sz);
- if (va == NULL) {
- goto out;
- }
-
- /*
- * map one by one, as index isn't continuous now.
- * pg_num VMAs, doesn't linux has a limitation on this?
- */
- for (i = 0; i < pg_num; i++) {
- /* update gref_arr and pa_arr after sort */
- gref_arr[i] = gnt_arr[i].gref;
- pa_arr[i] = gnt_arr[i].pa;
- gnt_arr[i].va = mmap(va + i * pg_sz, pg_sz, PROT_READ | PROT_WRITE,
- MAP_SHARED | MAP_FIXED, gntalloc_fd, gnt_arr[i].index);
- if ((gnt_arr[i].va == MAP_FAILED) || (gnt_arr[i].va != (va + i * pg_sz))) {
- RTE_LOG(ERR, PMD, "failed to map %d pages\n", i);
- goto mmap_failed;
- }
- }
-
- /*
- * Check that allocated size is big enough to hold elt_num
- * objects and a calcualte how many bytes are actually required.
- */
- usz = rte_mempool_xmem_usage(va, elt_num, objsz.total_size, pa_arr, pg_num, pg_shift);
- if (usz < 0) {
- mp = NULL;
- i = pg_num;
- goto mmap_failed;
- } else {
- /* unmap unused pages if any */
- uv = RTE_PTR_ADD(va, usz);
- if ((usz = va + sz - uv) > 0) {
-
- RTE_LOG(ERR, PMD,
- "%s(%s): unmap unused %zu of %zu "
- "mmaped bytes @%p orig:%p\n",
- __func__, name, usz, sz, uv, va);
- munmap(uv, usz);
- i = (sz - usz) / pg_sz;
- for (; i < pg_num; i++) {
- arg.count = 1;
- arg.index = gnt_arr[i].index;
- rv = ioctl(gntalloc_fd, IOCTL_GNTALLOC_DEALLOC_GREF, &arg);
- if (rv) {
- /* shouldn't fail here */
- RTE_LOG(ERR, PMD, "va=%p pa=%"PRIu64"x index=%"PRIu64" %s\n",
- gnt_arr[i].va,
- gnt_arr[i].pa,
- arg.index, strerror(errno));
- rte_panic("gntdealloc failed when freeing pages\n");
- }
- }
-
- rpg_num = (sz - usz) >> pg_shift;
- } else
- rpg_num = pg_num;
-
- mp = rte_mempool_xmem_create(name, elt_num, elt_size,
- cache_size, private_data_size,
- mp_init, mp_init_arg,
- obj_init, obj_init_arg,
- socket_id, flags, va, pa_arr, rpg_num, pg_shift);
-
- RTE_ASSERT(elt_num == mp->size);
- }
- mgi.mp = mp;
- mgi.pg_num = rpg_num;
- mgi.gref_arr = gref_arr;
- mgi.pa_arr = pa_arr;
- if (mp)
- mgi.mempool_idx = rte_atomic32_add_return(&global_xenvirt_mempool_idx, 1);
- mgi.start_index = start_index;
- mgi.va = va;
-
- if (mp == NULL) {
- i = pg_num;
- goto mmap_failed;
- }
-
-/*
- * unmap only, without deallocate grant reference.
- * unused pages have already been unmaped,
- * unmap twice will fail, but it is safe.
- */
-mmap_failed:
- for (j = 0; j < i; j++) {
- if (gnt_arr[i].va)
- munmap(gnt_arr[i].va, pg_sz);
- }
-out:
- free(gnt_arr);
- if (orig_va)
- munmap(orig_va, sz);
- if (mp == NULL) {
- free(gref_arr);
- free(pa_arr);
-
- /* some gref has already been de-allocated from the list in the driver,
- * so dealloc one by one, and it is safe to deallocate twice
- */
- if (orig_va) {
- for (i = 0; i < pg_num; i++) {
- arg.index = start_index + i * pg_sz;
- rv = ioctl(gntalloc_fd, IOCTL_GNTALLOC_DEALLOC_GREF, arg);
- }
- }
- }
- return mgi;
-}
-
-struct rte_mempool *
-rte_mempool_gntalloc_create(const char *name, unsigned elt_num, unsigned elt_size,
- unsigned cache_size, unsigned private_data_size,
- rte_mempool_ctor_t *mp_init, void *mp_init_arg,
- rte_mempool_obj_cb_t *obj_init, void *obj_init_arg,
- int socket_id, unsigned flags)
-{
- int rv;
- uint32_t i;
- struct _mempool_gntalloc_info mgi;
- struct ioctl_gntalloc_dealloc_gref arg;
- int pg_sz = getpagesize();
-
- mgi = _create_mempool(name, elt_num, elt_size,
- cache_size, private_data_size,
- mp_init, mp_init_arg,
- obj_init, obj_init_arg,
- socket_id, flags);
- if (mgi.mp) {
- rv = grant_gntalloc_mbuf_pool(mgi.mp,
- mgi.pg_num,
- mgi.gref_arr,
- mgi.pa_arr,
- mgi.mempool_idx);
- free(mgi.gref_arr);
- free(mgi.pa_arr);
- if (rv == 0)
- return mgi.mp;
- /*
- * in _create_mempool, unused pages have already been unmapped, deallocagted
- * unmap and dealloc the remained ones here.
- */
- munmap(mgi.va, pg_sz * mgi.pg_num);
- for (i = 0; i < mgi.pg_num; i++) {
- arg.index = mgi.start_index + i * pg_sz;
- rv = ioctl(gntalloc_fd, IOCTL_GNTALLOC_DEALLOC_GREF, arg);
- }
- return NULL;
- }
- return NULL;
-
-
-
-}
diff --git a/drivers/net/xenvirt/rte_xen_lib.c b/drivers/net/xenvirt/rte_xen_lib.c
deleted file mode 100644
index 6c9a1d4..0000000
--- a/drivers/net/xenvirt/rte_xen_lib.c
+++ /dev/null
@@ -1,454 +0,0 @@
-/*-
- * BSD LICENSE
- *
- * Copyright(c) 2010-2015 Intel Corporation. All rights reserved.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- * * Neither the name of Intel Corporation nor the names of its
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include <stdint.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <string.h>
-#include <sys/types.h>
-#include <fcntl.h>
-#include <sys/mman.h>
-#include <sys/ioctl.h>
-#include <xen/xen-compat.h>
-#if __XEN_LATEST_INTERFACE_VERSION__ < 0x00040200
-#include <xs.h>
-#else
-#include <xenstore.h>
-#endif
-#include <xen/sys/gntalloc.h>
-
-#include <rte_common.h>
-#include <rte_string_fns.h>
-#include <rte_malloc.h>
-
-#include "rte_xen_lib.h"
-
-/*
- * The grant node format in xenstore for vring/mpool is:
- * 0_rx_vring_gref = "gref1#, gref2#, gref3#"
- * 0_mempool_gref = "gref1#, gref2#, gref3#"
- * each gref# is a grant reference for a shared page.
- * In each shared page, we store the grant_node_item items.
- */
-struct grant_node_item {
- uint32_t gref;
- uint32_t pfn;
-} __attribute__((packed));
-
-/* fd for xen_gntalloc driver, used to allocate grant pages*/
-int gntalloc_fd = -1;
-
-/* xenstore path for local domain, now it is '/local/domain/domid/' */
-static char *dompath = NULL;
-/* handle to xenstore read/write operations */
-static struct xs_handle *xs = NULL;
-/* flag to indicate if xenstore cleanup is required */
-static bool is_xenstore_cleaned_up;
-
-/*
- * Reserve a virtual address space.
- * On success, returns the pointer. On failure, returns NULL.
- */
-void *
-get_xen_virtual(size_t size, size_t page_sz)
-{
- void *addr;
- uintptr_t aligned_addr;
-
- addr = mmap(NULL, size + page_sz, PROT_READ, MAP_SHARED | MAP_ANONYMOUS, -1, 0);
- if (addr == MAP_FAILED) {
- RTE_LOG(ERR, PMD, "failed get a virtual area\n");
- return NULL;
- }
-
- aligned_addr = RTE_ALIGN_CEIL((uintptr_t)addr, page_sz);
- addr = (void *)(aligned_addr);
-
- return addr;
-}
-
-/*
- * Get the physical address for virtual memory starting at va.
- */
-int
-get_phys_map(void *va, phys_addr_t pa[], uint32_t pg_num, uint32_t pg_sz)
-{
- int32_t fd, rc = 0;
- uint32_t i, nb;
- off_t ofs;
-
- ofs = (uintptr_t)va / pg_sz * sizeof(*pa);
- nb = pg_num * sizeof(*pa);
-
- if ((fd = open(PAGEMAP_FNAME, O_RDONLY)) < 0 ||
- (rc = pread(fd, pa, nb, ofs)) < 0 ||
- (rc -= nb) != 0) {
- RTE_LOG(ERR, PMD, "%s: failed read of %u bytes from \'%s\' "
- "at offset %lu, error code: %d\n",
- __func__, nb, PAGEMAP_FNAME, (unsigned long)ofs, errno);
- rc = ENOENT;
- }
-
- close(fd);
- for (i = 0; i != pg_num; i++)
- pa[i] = (pa[i] & PAGEMAP_PFN_MASK) * pg_sz;
-
- return rc;
-}
-
-int
-gntalloc_open(void)
-{
- gntalloc_fd = open(XEN_GNTALLOC_FNAME, O_RDWR);
- return (gntalloc_fd != -1) ? 0 : -1;
-}
-
-void
-gntalloc_close(void)
-{
- if (gntalloc_fd != -1)
- close(gntalloc_fd);
- gntalloc_fd = -1;
-}
-
-void *
-gntalloc(size_t size, uint32_t *gref, uint64_t *start_index)
-{
- int page_size = getpagesize();
- uint32_t i, pg_num;
- void *va;
- int rv;
- struct ioctl_gntalloc_alloc_gref *arg;
- struct ioctl_gntalloc_dealloc_gref arg_d;
-
- if (size % page_size) {
- RTE_LOG(ERR, PMD, "%s: %zu isn't multiple of page size\n",
- __func__, size);
- return NULL;
- }
-
- pg_num = size / page_size;
- arg = malloc(sizeof(*arg) + (pg_num - 1) * sizeof(uint32_t));
- if (arg == NULL)
- return NULL;
- arg->domid = DOM0_DOMID;
- arg->flags = GNTALLOC_FLAG_WRITABLE;
- arg->count = pg_num;
-
- rv = ioctl(gntalloc_fd, IOCTL_GNTALLOC_ALLOC_GREF, arg);
- if (rv) {
- RTE_LOG(ERR, PMD, "%s: ioctl error\n", __func__);
- free(arg);
- return NULL;
- }
-
- va = mmap(NULL, size, PROT_READ | PROT_WRITE, MAP_SHARED, gntalloc_fd, arg->index);
- if (va == MAP_FAILED) {
- RTE_LOG(ERR, PMD, "%s: mmap failed\n", __func__);
- arg_d.count = pg_num;
- arg_d.index = arg->index;
- ioctl(gntalloc_fd, IOCTL_GNTALLOC_DEALLOC_GREF, arg_d);
- free(arg);
- return NULL;
- }
-
- if (gref) {
- for (i = 0; i < pg_num; i++) {
- gref[i] = arg->gref_ids[i];
- }
- }
- if (start_index)
- *start_index = arg->index;
-
- free(arg);
-
- return va;
-}
-
-int
-grefwatch_from_alloc(uint32_t *gref, void **pptr)
-{
- int rv;
- void *ptr;
- int pg_size = getpagesize();
- struct ioctl_gntalloc_alloc_gref arg = {
- .domid = DOM0_DOMID,
- .flags = GNTALLOC_FLAG_WRITABLE,
- .count = 1
- };
- struct ioctl_gntalloc_dealloc_gref arg_d;
- struct ioctl_gntalloc_unmap_notify notify = {
- .action = UNMAP_NOTIFY_CLEAR_BYTE
- };
-
- rv = ioctl(gntalloc_fd, IOCTL_GNTALLOC_ALLOC_GREF, &arg);
- if (rv) {
- RTE_LOG(ERR, PMD, "%s: ioctl error\n", __func__);
- return -1;
- }
-
- ptr = (void *)mmap(NULL, pg_size, PROT_READ|PROT_WRITE, MAP_SHARED, gntalloc_fd, arg.index);
- arg_d.index = arg.index;
- arg_d.count = 1;
- if (ptr == MAP_FAILED) {
- RTE_LOG(ERR, PMD, "%s: mmap failed\n", __func__);
- ioctl(gntalloc_fd, IOCTL_GNTALLOC_DEALLOC_GREF, &arg_d);
- return -1;
- }
- if (pptr)
- *pptr = ptr;
- if (gref)
- *gref = arg.gref_ids[0];
-
- notify.index = arg.index;
- rv = ioctl(gntalloc_fd, IOCTL_GNTALLOC_SET_UNMAP_NOTIFY, ¬ify);
- if (rv) {
- RTE_LOG(ERR, PMD, "%s: unmap notify failed\n", __func__);
- munmap(ptr, pg_size);
- ioctl(gntalloc_fd, IOCTL_GNTALLOC_DEALLOC_GREF, &arg_d);
- return -1;
- }
-
- return 0;
-}
-
-void
-gntfree(void *va, size_t sz, uint64_t start_index)
-{
- struct ioctl_gntalloc_dealloc_gref arg_d;
-
- if (va && sz) {
- munmap(va, sz);
- arg_d.count = sz / getpagesize();
- arg_d.index = start_index;
- ioctl(gntalloc_fd, IOCTL_GNTALLOC_DEALLOC_GREF, &arg_d);
- }
-}
-
-static int
-xenstore_cleanup(void)
-{
- char store_path[PATH_MAX] = {0};
-
- if (snprintf(store_path, sizeof(store_path),
- "%s%s", dompath, DPDK_XENSTORE_NODE) == -1)
- return -1;
-
- if (xs_rm(xs, XBT_NULL, store_path) == false) {
- RTE_LOG(ERR, PMD, "%s: failed cleanup node\n", __func__);
- return -1;
- }
-
- return 0;
-}
-
-int
-xenstore_init(void)
-{
- unsigned int len, domid;
- char *buf;
- char *end;
-
- xs = xs_domain_open();
- if (xs == NULL) {
- RTE_LOG(ERR, PMD,"%s: xs_domain_open failed\n", __func__);
- return -1;
- }
- buf = xs_read(xs, XBT_NULL, "domid", &len);
- if (buf == NULL) {
- RTE_LOG(ERR, PMD, "%s: failed read domid\n", __func__);
- return -1;
- }
- errno = 0;
- domid = strtoul(buf, &end, 0);
- if (errno != 0 || end == NULL || end == buf || domid == 0)
- return -1;
-
- RTE_LOG(INFO, PMD, "retrieved dom ID = %d\n", domid);
-
- dompath = xs_get_domain_path(xs, domid);
- if (dompath == NULL)
- return -1;
-
- xs_transaction_start(xs); /* When to stop transaction */
-
- if (is_xenstore_cleaned_up == 0) {
- if (xenstore_cleanup())
- return -1;
- is_xenstore_cleaned_up = 1;
- }
-
- return 0;
-}
-
-int
-xenstore_uninit(void)
-{
- xs_close(xs);
-
- if (is_xenstore_cleaned_up == 0) {
- if (xenstore_cleanup())
- return -1;
- is_xenstore_cleaned_up = 1;
- }
- free(dompath);
- dompath = NULL;
-
- return 0;
-}
-
-int
-xenstore_write(const char *key_str, const char *val_str)
-{
- char grant_path[PATH_MAX];
- int rv, len;
-
- if (xs == NULL) {
- RTE_LOG(ERR, PMD, "%s: xenstore init failed\n", __func__);
- return -1;
- }
- rv = snprintf(grant_path, sizeof(grant_path), "%s%s", dompath, key_str);
- if (rv == -1) {
- RTE_LOG(ERR, PMD, "%s: snprintf %s %s failed\n",
- __func__, dompath, key_str);
- return -1;
- }
- len = strnlen(val_str, PATH_MAX);
-
- if (xs_write(xs, XBT_NULL, grant_path, val_str, len) == false) {
- RTE_LOG(ERR, PMD, "%s: xs_write failed\n", __func__);
- return -1;
- }
-
- return 0;
-}
-
-int
-grant_node_create(uint32_t pg_num, uint32_t *gref_arr, phys_addr_t *pa_arr, char *val_str, size_t str_size)
-{
- uint64_t start_index;
- int pg_size;
- uint32_t pg_shift;
- void *ptr = NULL;
- uint32_t count, entries_per_pg;
- uint32_t i, j = 0, k = 0;
- uint32_t *gref_tmp;
- int first = 1;
- char tmp_str[PATH_MAX] = {0};
- int rv = -1;
-
- pg_size = getpagesize();
- if (rte_is_power_of_2(pg_size) == 0) {
- return -1;
- }
- pg_shift = rte_bsf32(pg_size);
- if (pg_size % sizeof(struct grant_node_item)) {
- RTE_LOG(ERR, PMD, "pg_size isn't a multiple of grant node item\n");
- return -1;
- }
-
- entries_per_pg = pg_size / sizeof(struct grant_node_item);
- count = (pg_num + entries_per_pg - 1 ) / entries_per_pg;
- gref_tmp = malloc(count * sizeof(uint32_t));
- if (gref_tmp == NULL)
- return -1;
- ptr = gntalloc(pg_size * count, gref_tmp, &start_index);
- if (ptr == NULL) {
- RTE_LOG(ERR, PMD, "%s: gntalloc error of %d pages\n", __func__, count);
- free(gref_tmp);
- return -1;
- }
-
- while (j < pg_num) {
- if (first) {
- rv = snprintf(val_str, str_size, "%u", gref_tmp[k]);
- first = 0;
- } else {
- snprintf(tmp_str, PATH_MAX, "%s", val_str);
- rv = snprintf(val_str, str_size, "%s,%u", tmp_str, gref_tmp[k]);
- }
- k++;
- if (rv == -1)
- break;
-
- for (i = 0; i < entries_per_pg && j < pg_num ; i++) {
- ((struct grant_node_item *)ptr)->gref = gref_arr[j];
- ((struct grant_node_item *)ptr)->pfn = pa_arr[j] >> pg_shift;
- ptr = RTE_PTR_ADD(ptr, sizeof(struct grant_node_item));
- j++;
- }
- }
- if (rv == -1) {
- gntfree(ptr, pg_size * count, start_index);
- } else
- rv = 0;
- free(gref_tmp);
- return rv;
-}
-
-
-int
-grant_gntalloc_mbuf_pool(struct rte_mempool *mpool, uint32_t pg_num, uint32_t *gref_arr, phys_addr_t *pa_arr, int mempool_idx)
-{
- char key_str[PATH_MAX] = {0};
- char val_str[PATH_MAX] = {0};
- void *mempool_obj_va;
-
- if (grant_node_create(pg_num, gref_arr, pa_arr, val_str, sizeof(val_str))) {
- return -1;
- }
-
- if (snprintf(key_str, sizeof(key_str),
- DPDK_XENSTORE_PATH"%d"MEMPOOL_XENSTORE_STR, mempool_idx) == -1)
- return -1;
- if (xenstore_write(key_str, val_str) == -1)
- return -1;
-
- if (snprintf(key_str, sizeof(key_str),
- DPDK_XENSTORE_PATH"%d"MEMPOOL_VA_XENSTORE_STR, mempool_idx) == -1)
- return -1;
- if (mpool->nb_mem_chunks != 1) {
- RTE_LOG(ERR, PMD,
- "mempool with more than 1 chunk is not supported\n");
- return -1;
- }
- mempool_obj_va = STAILQ_FIRST(&mpool->mem_list)->addr;
- if (snprintf(val_str, sizeof(val_str), "%"PRIxPTR,
- (uintptr_t)mempool_obj_va) == -1)
- return -1;
- if (xenstore_write(key_str, val_str) == -1)
- return -1;
-
- return 0;
-}
diff --git a/drivers/net/xenvirt/rte_xen_lib.h b/drivers/net/xenvirt/rte_xen_lib.h
deleted file mode 100644
index d973eac..0000000
--- a/drivers/net/xenvirt/rte_xen_lib.h
+++ /dev/null
@@ -1,116 +0,0 @@
-/*-
- * BSD LICENSE
- *
- * Copyright(c) 2010-2015 Intel Corporation. All rights reserved.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- * * Neither the name of Intel Corporation nor the names of its
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef _RTE_XEN_DUMMY_PMD_H
-#define _RTE_XEN_DUMMY_PMD_H
-
-#include <stdint.h>
-
-#include <rte_common.h>
-#include <rte_mempool.h>
-#include <rte_ether.h>
-
-#define PAGEMAP_FNAME "/proc/self/pagemap"
-#define XEN_GNTALLOC_FNAME "/dev/xen/gntalloc"
-#define DPDK_XENSTORE_PATH "/control/dpdk/"
-#define DPDK_XENSTORE_NODE "/control/dpdk"
-/*format 0_mempool_gref = "1537,1524,1533" */
-#define MEMPOOL_XENSTORE_STR "_mempool_gref"
-/*format 0_mempool_va = 0x80340000 */
-#define MEMPOOL_VA_XENSTORE_STR "_mempool_va"
-/*format 0_rx_vring_gref = "1537,1524,1533" */
-#define RXVRING_XENSTORE_STR "_rx_vring_gref"
-/*format 0_tx_vring_gref = "1537,1524,1533" */
-#define TXVRING_XENSTORE_STR "_tx_vring_gref"
-#define VRING_FLAG_STR "_vring_flag"
-/*format: event_type_start_0 = 1*/
-#define EVENT_TYPE_START_STR "event_type_start_"
-
-#define DOM0_DOMID 0
-/*
- * the pfn (page frame number) are bits 0-54 (see pagemap.txt in linux
- * Documentation).
- */
-#define PAGEMAP_PFN_BITS 54
-#define PAGEMAP_PFN_MASK RTE_LEN2MASK(PAGEMAP_PFN_BITS, phys_addr_t)
-
-#define MAP_FLAG 0xA5
-
-#define RTE_ETH_XENVIRT_PAIRS_DELIM ';'
-#define RTE_ETH_XENVIRT_KEY_VALUE_DELIM '='
-#define RTE_ETH_XENVIRT_MAX_ARGS 1
-#define RTE_ETH_XENVIRT_MAC_PARAM "mac"
-struct xenvirt_dict {
- uint8_t addr_valid;
- struct ether_addr addr;
-};
-
-extern int gntalloc_fd;
-
-int
-gntalloc_open(void);
-
-void
-gntalloc_close(void);
-
-void *
-gntalloc(size_t sz, uint32_t *gref, uint64_t *start_index);
-
-void
-gntfree(void *va, size_t sz, uint64_t start_index);
-
-int
-xenstore_init(void);
-
-int
-xenstore_uninit(void);
-
-int
-xenstore_write(const char *key_str, const char *val_str);
-
-int
-get_phys_map(void *va, phys_addr_t pa[], uint32_t pg_num, uint32_t pg_sz);
-
-void *
-get_xen_virtual(size_t size, size_t page_sz);
-
-int
-grefwatch_from_alloc(uint32_t *gref, void **pptr);
-
-
-int grant_node_create(uint32_t pg_num, uint32_t *gref_arr, phys_addr_t *pa_arr, char *val_str, size_t str_size);
-
-int
-grant_gntalloc_mbuf_pool(struct rte_mempool *mpool, uint32_t pg_num, uint32_t *gref_arr, phys_addr_t *pa_arr, int mempool_idx);
-
-#endif
diff --git a/drivers/net/xenvirt/virtio_logs.h b/drivers/net/xenvirt/virtio_logs.h
deleted file mode 100644
index d6c33f7..0000000
--- a/drivers/net/xenvirt/virtio_logs.h
+++ /dev/null
@@ -1,70 +0,0 @@
-/*-
- * BSD LICENSE
- *
- * Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- * * Neither the name of Intel Corporation nor the names of its
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef _VIRTIO_LOGS_H_
-#define _VIRTIO_LOGS_H_
-
-#include <rte_log.h>
-
-#ifdef RTE_LIBRTE_VIRTIO_DEBUG_INIT
-#define PMD_INIT_LOG(level, fmt, args...) \
- RTE_LOG(level, PMD, "%s(): " fmt "\n", __func__, ## args)
-#define PMD_INIT_FUNC_TRACE() PMD_INIT_LOG(DEBUG, " >>")
-#else
-#define PMD_INIT_LOG(level, fmt, args...) do { } while(0)
-#define PMD_INIT_FUNC_TRACE() do { } while(0)
-#endif
-
-#ifdef RTE_LIBRTE_VIRTIO_DEBUG_RX
-#define PMD_RX_LOG(level, fmt, args...) \
- RTE_LOG(level, PMD, "%s() rx: " fmt , __func__, ## args)
-#else
-#define PMD_RX_LOG(level, fmt, args...) do { } while(0)
-#endif
-
-#ifdef RTE_LIBRTE_VIRTIO_DEBUG_TX
-#define PMD_TX_LOG(level, fmt, args...) \
- RTE_LOG(level, PMD, "%s() tx: " fmt , __func__, ## args)
-#else
-#define PMD_TX_LOG(level, fmt, args...) do { } while(0)
-#endif
-
-
-#ifdef RTE_LIBRTE_VIRTIO_DEBUG_DRIVER
-#define PMD_DRV_LOG(level, fmt, args...) \
- RTE_LOG(level, PMD, "%s(): " fmt , __func__, ## args)
-#else
-#define PMD_DRV_LOG(level, fmt, args...) do { } while(0)
-#endif
-
-#endif /* _VIRTIO_LOGS_H_ */
diff --git a/drivers/net/xenvirt/virtqueue.h b/drivers/net/xenvirt/virtqueue.h
deleted file mode 100644
index 1bb6877..0000000
--- a/drivers/net/xenvirt/virtqueue.h
+++ /dev/null
@@ -1,273 +0,0 @@
-/*-
- * BSD LICENSE
- *
- * Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- * * Neither the name of Intel Corporation nor the names of its
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef _VIRTQUEUE_H_
-#define _VIRTQUEUE_H_
-
-#include <stdint.h>
-#include <linux/virtio_ring.h>
-#include <linux/virtio_net.h>
-
-#include <rte_atomic.h>
-#include <rte_memory.h>
-#include <rte_memzone.h>
-#include <rte_mempool.h>
-
-#include "virtio_logs.h"
-
-struct rte_mbuf;
-
-/* The alignment to use between consumer and producer parts of vring. */
-#define VIRTIO_PCI_VRING_ALIGN 4096
-
-enum { VTNET_RQ = 0, VTNET_TQ = 1, VTNET_CQ = 2 };
-
-/**
- * The maximum virtqueue size is 2^15. Use that value as the end of
- * descriptor chain terminator since it will never be a valid index
- * in the descriptor table. This is used to verify we are correctly
- * handling vq_free_cnt.
- */
-#define VQ_RING_DESC_CHAIN_END 32768
-
-#define VIRTQUEUE_MAX_NAME_SZ 32
-
-struct pmd_internals {
- struct rte_eth_stats eth_stats;
- int port_id;
- int virtio_idx;
-};
-
-
-struct virtqueue {
- char vq_name[VIRTQUEUE_MAX_NAME_SZ];
- struct rte_mempool *mpool; /**< mempool for mbuf allocation */
- uint16_t queue_id; /**< DPDK queue index. */
- uint16_t vq_queue_index; /**< PCI queue index */
- uint8_t port_id; /**< Device port identifier. */
-
- void *vq_ring_virt_mem; /**< virtual address of vring*/
- int vq_alignment;
- int vq_ring_size;
-
- struct vring vq_ring; /**< vring keeping desc, used and avail */
- struct pmd_internals *internals; /**< virtio device internal info. */
- uint16_t vq_nentries; /**< vring desc numbers */
- uint16_t vq_desc_head_idx;
- uint16_t vq_free_cnt; /**< num of desc available */
- uint16_t vq_used_cons_idx; /**< Last consumed desc in used table, trails vq_ring.used->idx*/
-
- struct vq_desc_extra {
- void *cookie;
- uint16_t ndescs;
- } vq_descx[0] __rte_cache_aligned;
-};
-
-
-#ifdef RTE_LIBRTE_XENVIRT_DEBUG_DUMP
-#define VIRTQUEUE_DUMP(vq) do { \
- uint16_t used_idx, nused; \
- used_idx = (vq)->vq_ring.used->idx; \
- nused = (uint16_t)(used_idx - (vq)->vq_used_cons_idx); \
- PMD_INIT_LOG(DEBUG, \
- "VQ: %s - size=%d; free=%d; used=%d; desc_head_idx=%d;" \
- " avail.idx=%d; used_cons_idx=%d; used.idx=%d;" \
- " avail.flags=0x%x; used.flags=0x%x\n", \
- (vq)->vq_name, (vq)->vq_nentries, (vq)->vq_free_cnt, nused, \
- (vq)->vq_desc_head_idx, (vq)->vq_ring.avail->idx, \
- (vq)->vq_used_cons_idx, (vq)->vq_ring.used->idx, \
- (vq)->vq_ring.avail->flags, (vq)->vq_ring.used->flags); \
-} while (0)
-#else
-#define VIRTQUEUE_DUMP(vq) do { } while (0)
-#endif
-
-
-/**
- * Dump virtqueue internal structures, for debug purpose only.
- */
-void virtqueue_dump(struct virtqueue *vq);
-
-/**
- * Get all mbufs to be freed.
- */
-struct rte_mbuf * virtqueue_detatch_unused(struct virtqueue *vq);
-
-static __rte_always_inline int
-virtqueue_full(const struct virtqueue *vq)
-{
- return vq->vq_free_cnt == 0;
-}
-
-#define VIRTQUEUE_NUSED(vq) ((uint16_t)((vq)->vq_ring.used->idx - (vq)->vq_used_cons_idx))
-
-static __rte_always_inline void
-vq_ring_update_avail(struct virtqueue *vq, uint16_t desc_idx)
-{
- uint16_t avail_idx;
- /*
- * Place the head of the descriptor chain into the next slot and make
- * it usable to the host. The chain is made available now rather than
- * deferring to virtqueue_notify() in the hopes that if the host is
- * currently running on another CPU, we can keep it processing the new
- * descriptor.
- */
- avail_idx = (uint16_t)(vq->vq_ring.avail->idx & (vq->vq_nentries - 1));
- vq->vq_ring.avail->ring[avail_idx] = desc_idx;
- rte_smp_wmb();
- vq->vq_ring.avail->idx++;
-}
-
-static __rte_always_inline void
-vq_ring_free_chain(struct virtqueue *vq, uint16_t desc_idx)
-{
- struct vring_desc *dp;
- struct vq_desc_extra *dxp;
-
- dp = &vq->vq_ring.desc[desc_idx];
- dxp = &vq->vq_descx[desc_idx];
- vq->vq_free_cnt = (uint16_t)(vq->vq_free_cnt + dxp->ndescs);
- while (dp->flags & VRING_DESC_F_NEXT) {
- dp = &vq->vq_ring.desc[dp->next];
- }
- dxp->ndescs = 0;
-
- /*
- * We must append the existing free chain, if any, to the end of
- * newly freed chain. If the virtqueue was completely used, then
- * head would be VQ_RING_DESC_CHAIN_END (ASSERTed above).
- */
- dp->next = vq->vq_desc_head_idx;
- vq->vq_desc_head_idx = desc_idx;
-}
-
-static __rte_always_inline int
-virtqueue_enqueue_recv_refill(struct virtqueue *rxvq, struct rte_mbuf *cookie)
-{
- const uint16_t needed = 1;
- const uint16_t head_idx = rxvq->vq_desc_head_idx;
- struct vring_desc *start_dp = rxvq->vq_ring.desc;
- struct vq_desc_extra *dxp;
-
- if (unlikely(rxvq->vq_free_cnt == 0))
- return -ENOSPC;
- if (unlikely(rxvq->vq_free_cnt < needed))
- return -EMSGSIZE;
- if (unlikely(head_idx >= rxvq->vq_nentries))
- return -EFAULT;
-
- dxp = &rxvq->vq_descx[head_idx];
- dxp->cookie = (void *)cookie;
- dxp->ndescs = needed;
-
- start_dp[head_idx].addr =
- (uint64_t) ((uintptr_t)cookie->buf_addr + RTE_PKTMBUF_HEADROOM - sizeof(struct virtio_net_hdr));
- start_dp[head_idx].len = cookie->buf_len - RTE_PKTMBUF_HEADROOM + sizeof(struct virtio_net_hdr);
- start_dp[head_idx].flags = VRING_DESC_F_WRITE;
- rxvq->vq_desc_head_idx = start_dp[head_idx].next;
- rxvq->vq_free_cnt = (uint16_t)(rxvq->vq_free_cnt - needed);
- vq_ring_update_avail(rxvq, head_idx);
-
- return 0;
-}
-
-static __rte_always_inline int
-virtqueue_enqueue_xmit(struct virtqueue *txvq, struct rte_mbuf *cookie)
-{
-
- const uint16_t needed = 2;
- struct vring_desc *start_dp = txvq->vq_ring.desc;
- uint16_t head_idx = txvq->vq_desc_head_idx;
- uint16_t idx = head_idx;
- struct vq_desc_extra *dxp;
-
- if (unlikely(txvq->vq_free_cnt == 0))
- return -ENOSPC;
- if (unlikely(txvq->vq_free_cnt < needed))
- return -EMSGSIZE;
- if (unlikely(head_idx >= txvq->vq_nentries))
- return -EFAULT;
-
- dxp = &txvq->vq_descx[idx];
- dxp->cookie = (void *)cookie;
- dxp->ndescs = needed;
-
- start_dp = txvq->vq_ring.desc;
- start_dp[idx].addr = 0;
-/*
- * TODO: save one desc here?
- */
- start_dp[idx].len = sizeof(struct virtio_net_hdr);
- start_dp[idx].flags = VRING_DESC_F_NEXT;
- start_dp[idx].addr = (uintptr_t)NULL;
- idx = start_dp[idx].next;
- start_dp[idx].addr = (uint64_t)rte_pktmbuf_mtod(cookie, uintptr_t);
- start_dp[idx].len = cookie->data_len;
- start_dp[idx].flags = 0;
- idx = start_dp[idx].next;
- txvq->vq_desc_head_idx = idx;
- txvq->vq_free_cnt = (uint16_t)(txvq->vq_free_cnt - needed);
- vq_ring_update_avail(txvq, head_idx);
-
- return 0;
-}
-
-static __rte_always_inline uint16_t
-virtqueue_dequeue_burst(struct virtqueue *vq, struct rte_mbuf **rx_pkts, uint32_t *len, uint16_t num)
-{
- struct vring_used_elem *uep;
- struct rte_mbuf *cookie;
- uint16_t used_idx, desc_idx;
- uint16_t i;
- /* Caller does the check */
- for (i = 0; i < num ; i ++) {
- used_idx = (uint16_t)(vq->vq_used_cons_idx & (vq->vq_nentries - 1));
- uep = &vq->vq_ring.used->ring[used_idx];
- desc_idx = (uint16_t) uep->id;
- cookie = (struct rte_mbuf *)vq->vq_descx[desc_idx].cookie;
- if (unlikely(cookie == NULL)) {
- PMD_DRV_LOG(ERR, "vring descriptor with no mbuf cookie at %u\n",
- vq->vq_used_cons_idx);
- RTE_LOG(ERR, PMD, "%s: inconsistent (%u, %u)\n", __func__, used_idx , desc_idx);
- break;
- }
- len[i] = uep->len;
- rx_pkts[i] = cookie;
- vq->vq_used_cons_idx++;
- vq_ring_free_chain(vq, desc_idx);
- vq->vq_descx[desc_idx].cookie = NULL;
- }
- return i;
-}
-
-#endif /* _VIRTQUEUE_H_ */
diff --git a/mk/rte.app.mk b/mk/rte.app.mk
index c25fdd9..fb6be12 100644
--- a/mk/rte.app.mk
+++ b/mk/rte.app.mk
@@ -144,7 +144,6 @@ ifeq ($(CONFIG_RTE_LIBRTE_VHOST),y)
_LDLIBS-$(CONFIG_RTE_LIBRTE_PMD_VHOST) += -lrte_pmd_vhost
endif # $(CONFIG_RTE_LIBRTE_VHOST)
_LDLIBS-$(CONFIG_RTE_LIBRTE_VMXNET3_PMD) += -lrte_pmd_vmxnet3_uio
-_LDLIBS-$(CONFIG_RTE_LIBRTE_PMD_XENVIRT) += -lrte_pmd_xenvirt -lxenstore
ifeq ($(CONFIG_RTE_LIBRTE_CRYPTODEV),y)
_LDLIBS-$(CONFIG_RTE_LIBRTE_PMD_AESNI_MB) += -lrte_pmd_aesni_mb
diff --git a/pkg/dpdk.spec b/pkg/dpdk.spec
index 5ba3431..95c3335 100644
--- a/pkg/dpdk.spec
+++ b/pkg/dpdk.spec
@@ -90,9 +90,6 @@ sed -ri 's,(RTE_BUILD_SHARED_LIB=).*,\1y,' %{target}/.config
sed -ri 's,(RTE_NEXT_ABI=).*,\1n,' %{target}/.config
sed -ri 's,(LIBRTE_VHOST=).*,\1y,' %{target}/.config
sed -ri 's,(LIBRTE_PMD_PCAP=).*,\1y,' %{target}/.config
-%ifarch i686 x86_64
-sed -ri 's,(LIBRTE_PMD_XENVIRT=).*,\1y,' %{target}/.config
-%endif
make O=%{target} %{?_smp_mflags}
make O=%{target} doc
--
2.7.4
_______________________________________________
Xen-devel mailing list
Xen-devel@lists.xen.org
https://lists.xen.org/xen-devel
^ permalink raw reply related [flat|nested] 38+ messages in thread
* [PATCH 3/6] xen: remove xen dependency in app, examples, test
2017-08-30 18:10 [PATCH 0/6] remove xen dom0 support in DPDK Jianfeng Tan
` (3 preceding siblings ...)
2017-08-30 18:10 ` Jianfeng Tan
@ 2017-08-30 18:10 ` Jianfeng Tan
2017-09-04 14:24 ` [dpdk-dev] " Bruce Richardson
` (3 more replies)
2017-08-30 18:10 ` Jianfeng Tan
` (5 subsequent siblings)
10 siblings, 4 replies; 38+ messages in thread
From: Jianfeng Tan @ 2017-08-30 18:10 UTC (permalink / raw)
To: dev
Cc: xen-devel, thomas, john.mcnamara, oao.m.martins, jerin.jacob,
shahafs, Jianfeng Tan
Signed-off-by: Jianfeng Tan <jianfeng.tan@intel.com>
---
app/test-pmd/testpmd.c | 2 +-
examples/ip_pipeline/app.h | 4 --
examples/ip_pipeline/config_parse.c | 19 ---------
examples/ip_pipeline/init.c | 5 ---
examples/kni/main.c | 3 --
test/test/process.h | 10 -----
test/test/test.c | 4 --
test/test/test_eal_flags.c | 81 -------------------------------------
8 files changed, 1 insertion(+), 127 deletions(-)
diff --git a/app/test-pmd/testpmd.c b/app/test-pmd/testpmd.c
index f8d02ae..d9c785c 100644
--- a/app/test-pmd/testpmd.c
+++ b/app/test-pmd/testpmd.c
@@ -494,7 +494,7 @@ mbuf_pool_create(uint16_t mbuf_seg_size, unsigned nb_mbuf,
"create a new mbuf pool <%s>: n=%u, size=%u, socket=%u\n",
pool_name, nb_mbuf, mbuf_seg_size, socket_id);
- /* if the former XEN allocation failed fall back to normal allocation */
+ /* if the former allocation failed fall back to normal allocation */
if (rte_mp == NULL) {
if (mp_anon != 0) {
rte_mp = rte_mempool_create_empty(pool_name, nb_mbuf,
diff --git a/examples/ip_pipeline/app.h b/examples/ip_pipeline/app.h
index e41290e..94e7a6d 100644
--- a/examples/ip_pipeline/app.h
+++ b/examples/ip_pipeline/app.h
@@ -428,10 +428,6 @@ struct app_eal_params {
/* Interrupt mode for VFIO (legacy|msi|msix) */
char *vfio_intr;
- /* Support running on Xen dom0 without hugetlbfs */
- uint32_t xen_dom0_present;
- int xen_dom0;
-
uint32_t parsed;
};
diff --git a/examples/ip_pipeline/config_parse.c b/examples/ip_pipeline/config_parse.c
index 0b76134..3211c6a 100644
--- a/examples/ip_pipeline/config_parse.c
+++ b/examples/ip_pipeline/config_parse.c
@@ -809,21 +809,6 @@ parse_eal(struct app_params *app,
continue;
}
- /* xen_dom0 */
- if (strcmp(entry->name, "xen_dom0") == 0) {
- int val;
-
- PARSE_ERROR_DUPLICATE((p->xen_dom0_present == 0),
- section_name,
- entry->name);
- p->xen_dom0_present = 1;
-
- val = parser_read_arg_bool(entry->value);
- PARSE_ERROR((val >= 0), section_name, entry->name);
- p->xen_dom0 = val;
- continue;
- }
-
/* unrecognized */
PARSE_ERROR_INVALID(0, section_name, entry->name);
}
@@ -2643,10 +2628,6 @@ save_eal_params(struct app_params *app, FILE *f)
if (p->vfio_intr)
fprintf(f, "%s = %s\n", "vfio_intr", p->vfio_intr);
- if (p->xen_dom0_present)
- fprintf(f, "%s = %s\n", "xen_dom0",
- (p->xen_dom0) ? "yes" : "no");
-
fputc('\n', f);
}
diff --git a/examples/ip_pipeline/init.c b/examples/ip_pipeline/init.c
index 7cde49a..034c238 100644
--- a/examples/ip_pipeline/init.c
+++ b/examples/ip_pipeline/init.c
@@ -296,11 +296,6 @@ app_init_eal(struct app_params *app)
app->eal_argv[n_args++] = strdup(buffer);
}
- if ((p->xen_dom0_present) && (p->xen_dom0)) {
- snprintf(buffer, sizeof(buffer), "--xen-dom0");
- app->eal_argv[n_args++] = strdup(buffer);
- }
-
snprintf(buffer, sizeof(buffer), "--");
app->eal_argv[n_args++] = strdup(buffer);
diff --git a/examples/kni/main.c b/examples/kni/main.c
index e3bc2fb..9f9d227 100644
--- a/examples/kni/main.c
+++ b/examples/kni/main.c
@@ -919,9 +919,6 @@ main(int argc, char** argv)
continue;
kni_free_kni(port);
}
-#ifdef RTE_LIBRTE_XEN_DOM0
- rte_kni_close();
-#endif
for (i = 0; i < RTE_MAX_ETHPORTS; i++)
if (kni_port_params_array[i]) {
rte_free(kni_port_params_array[i]);
diff --git a/test/test/process.h b/test/test/process.h
index 4f8d121..51ced12 100644
--- a/test/test/process.h
+++ b/test/test/process.h
@@ -52,11 +52,7 @@ static inline int
process_dup(const char *const argv[], int numargs, const char *env_value)
{
int num;
-#ifdef RTE_LIBRTE_XEN_DOM0
- char *argv_cpy[numargs + 2];
-#else
char *argv_cpy[numargs + 1];
-#endif
int i, fd, status;
char path[32];
@@ -67,14 +63,8 @@ process_dup(const char *const argv[], int numargs, const char *env_value)
/* make a copy of the arguments to be passed to exec */
for (i = 0; i < numargs; i++)
argv_cpy[i] = strdup(argv[i]);
-#ifdef RTE_LIBRTE_XEN_DOM0
- argv_cpy[i] = strdup("--xen-dom0");
- argv_cpy[i + 1] = NULL;
- num = numargs + 1;
-#else
argv_cpy[i] = NULL;
num = numargs;
-#endif
/* close all open file descriptors, check /proc/self/fd to only
* call close on open fds. Exclude fds 0, 1 and 2*/
diff --git a/test/test/test.c b/test/test/test.c
index c561eb5..9accbd1 100644
--- a/test/test/test.c
+++ b/test/test/test.c
@@ -87,11 +87,7 @@ do_recursive_call(void)
{ "test_invalid_b_flag", no_action },
{ "test_invalid_vdev_flag", no_action },
{ "test_invalid_r_flag", no_action },
-#ifdef RTE_LIBRTE_XEN_DOM0
- { "test_dom0_misc_flags", no_action },
-#else
{ "test_misc_flags", no_action },
-#endif
{ "test_memory_flags", no_action },
{ "test_file_prefix", no_action },
{ "test_no_huge_flag", no_action },
diff --git a/test/test/test_eal_flags.c b/test/test/test_eal_flags.c
index 594d79d..310109e 100644
--- a/test/test/test_eal_flags.c
+++ b/test/test/test_eal_flags.c
@@ -51,11 +51,7 @@
#include "process.h"
-#ifdef RTE_LIBRTE_XEN_DOM0
-#define DEFAULT_MEM_SIZE "30"
-#else
#define DEFAULT_MEM_SIZE "18"
-#endif
#define mp_flag "--proc-type=secondary"
#define no_hpet "--no-hpet"
#define no_huge "--no-huge"
@@ -809,72 +805,6 @@ test_no_huge_flag(void)
return 0;
}
-#ifdef RTE_LIBRTE_XEN_DOM0
-static int
-test_dom0_misc_flags(void)
-{
- char prefix[PATH_MAX], tmp[PATH_MAX];
-
- if (get_current_prefix(tmp, sizeof(tmp)) == NULL) {
- printf("Error - unable to get current prefix!\n");
- return -1;
- }
- snprintf(prefix, sizeof(prefix), "--file-prefix=%s", tmp);
-
- /* check that some general flags don't prevent things from working.
- * All cases, apart from the first, app should run.
- * No further testing of output done.
- */
- /* sanity check - failure with invalid option */
- const char *argv0[] = {prgname, prefix, mp_flag, "-c", "1", "--invalid-opt"};
-
- /* With --no-pci */
- const char *argv1[] = {prgname, prefix, mp_flag, "-c", "1", "--no-pci"};
- /* With -v */
- const char *argv2[] = {prgname, prefix, mp_flag, "-c", "1", "-v"};
- /* With valid --syslog */
- const char *argv3[] = {prgname, prefix, mp_flag, "-c", "1",
- "--syslog", "syslog"};
- /* With empty --syslog (should fail) */
- const char *argv4[] = {prgname, prefix, mp_flag, "-c", "1", "--syslog"};
- /* With invalid --syslog */
- const char *argv5[] = {prgname, prefix, mp_flag, "-c", "1", "--syslog", "error"};
- /* With no-sh-conf */
- const char *argv6[] = {prgname, "-c", "1", "-n", "2", "-m", "20",
- "--no-shconf", "--file-prefix=noshconf" };
-
- if (launch_proc(argv0) == 0) {
- printf("Error - process ran ok with invalid flag\n");
- return -1;
- }
- if (launch_proc(argv1) != 0) {
- printf("Error - process did not run ok with --no-pci flag\n");
- return -1;
- }
- if (launch_proc(argv2) != 0) {
- printf("Error - process did not run ok with -v flag\n");
- return -1;
- }
- if (launch_proc(argv3) != 0) {
- printf("Error - process did not run ok with --syslog flag\n");
- return -1;
- }
- if (launch_proc(argv4) == 0) {
- printf("Error - process run ok with empty --syslog flag\n");
- return -1;
- }
- if (launch_proc(argv5) == 0) {
- printf("Error - process run ok with invalid --syslog flag\n");
- return -1;
- }
- if (launch_proc(argv6) != 0) {
- printf("Error - process did not run ok with --no-shconf flag\n");
- return -1;
- }
-
- return 0;
-}
-#else
static int
test_misc_flags(void)
{
@@ -1061,7 +991,6 @@ test_misc_flags(void)
}
return 0;
}
-#endif
static int
test_file_prefix(void)
@@ -1098,9 +1027,6 @@ test_file_prefix(void)
printf("Error - unable to get current prefix!\n");
return -1;
}
-#ifdef RTE_LIBRTE_XEN_DOM0
- return 0;
-#endif
/* check if files for current prefix are present */
if (process_hugefiles(prefix, HUGEPAGE_CHECK_EXISTS) != 1) {
@@ -1299,9 +1225,6 @@ test_memory_flags(void)
printf("Error - process failed with valid -m flag!\n");
return -1;
}
-#ifdef RTE_LIBRTE_XEN_DOM0
- return 0;
-#endif
if (launch_proc(argv2) == 0) {
printf("Error - process run ok with invalid (zero) --socket-mem!\n");
return -1;
@@ -1427,11 +1350,7 @@ test_eal_flags(void)
return ret;
}
-#ifdef RTE_LIBRTE_XEN_DOM0
- ret = test_dom0_misc_flags();
-#else
ret = test_misc_flags();
-#endif
if (ret < 0) {
printf("Error in test_misc_flags()");
return ret;
--
2.7.4
^ permalink raw reply related [flat|nested] 38+ messages in thread
* [PATCH 3/6] xen: remove xen dependency in app, examples, test
2017-08-30 18:10 [PATCH 0/6] remove xen dom0 support in DPDK Jianfeng Tan
` (4 preceding siblings ...)
2017-08-30 18:10 ` [PATCH 3/6] xen: remove xen dependency in app, examples, test Jianfeng Tan
@ 2017-08-30 18:10 ` Jianfeng Tan
2017-08-30 18:10 ` [PATCH 4/6] xen: remove xen dependency in drivers, ether, mempool Jianfeng Tan
` (4 subsequent siblings)
10 siblings, 0 replies; 38+ messages in thread
From: Jianfeng Tan @ 2017-08-30 18:10 UTC (permalink / raw)
To: dev
Cc: jerin.jacob, shahafs, john.mcnamara, Jianfeng Tan, oao.m.martins,
thomas, xen-devel
Signed-off-by: Jianfeng Tan <jianfeng.tan@intel.com>
---
app/test-pmd/testpmd.c | 2 +-
examples/ip_pipeline/app.h | 4 --
examples/ip_pipeline/config_parse.c | 19 ---------
examples/ip_pipeline/init.c | 5 ---
examples/kni/main.c | 3 --
test/test/process.h | 10 -----
test/test/test.c | 4 --
test/test/test_eal_flags.c | 81 -------------------------------------
8 files changed, 1 insertion(+), 127 deletions(-)
diff --git a/app/test-pmd/testpmd.c b/app/test-pmd/testpmd.c
index f8d02ae..d9c785c 100644
--- a/app/test-pmd/testpmd.c
+++ b/app/test-pmd/testpmd.c
@@ -494,7 +494,7 @@ mbuf_pool_create(uint16_t mbuf_seg_size, unsigned nb_mbuf,
"create a new mbuf pool <%s>: n=%u, size=%u, socket=%u\n",
pool_name, nb_mbuf, mbuf_seg_size, socket_id);
- /* if the former XEN allocation failed fall back to normal allocation */
+ /* if the former allocation failed fall back to normal allocation */
if (rte_mp == NULL) {
if (mp_anon != 0) {
rte_mp = rte_mempool_create_empty(pool_name, nb_mbuf,
diff --git a/examples/ip_pipeline/app.h b/examples/ip_pipeline/app.h
index e41290e..94e7a6d 100644
--- a/examples/ip_pipeline/app.h
+++ b/examples/ip_pipeline/app.h
@@ -428,10 +428,6 @@ struct app_eal_params {
/* Interrupt mode for VFIO (legacy|msi|msix) */
char *vfio_intr;
- /* Support running on Xen dom0 without hugetlbfs */
- uint32_t xen_dom0_present;
- int xen_dom0;
-
uint32_t parsed;
};
diff --git a/examples/ip_pipeline/config_parse.c b/examples/ip_pipeline/config_parse.c
index 0b76134..3211c6a 100644
--- a/examples/ip_pipeline/config_parse.c
+++ b/examples/ip_pipeline/config_parse.c
@@ -809,21 +809,6 @@ parse_eal(struct app_params *app,
continue;
}
- /* xen_dom0 */
- if (strcmp(entry->name, "xen_dom0") == 0) {
- int val;
-
- PARSE_ERROR_DUPLICATE((p->xen_dom0_present == 0),
- section_name,
- entry->name);
- p->xen_dom0_present = 1;
-
- val = parser_read_arg_bool(entry->value);
- PARSE_ERROR((val >= 0), section_name, entry->name);
- p->xen_dom0 = val;
- continue;
- }
-
/* unrecognized */
PARSE_ERROR_INVALID(0, section_name, entry->name);
}
@@ -2643,10 +2628,6 @@ save_eal_params(struct app_params *app, FILE *f)
if (p->vfio_intr)
fprintf(f, "%s = %s\n", "vfio_intr", p->vfio_intr);
- if (p->xen_dom0_present)
- fprintf(f, "%s = %s\n", "xen_dom0",
- (p->xen_dom0) ? "yes" : "no");
-
fputc('\n', f);
}
diff --git a/examples/ip_pipeline/init.c b/examples/ip_pipeline/init.c
index 7cde49a..034c238 100644
--- a/examples/ip_pipeline/init.c
+++ b/examples/ip_pipeline/init.c
@@ -296,11 +296,6 @@ app_init_eal(struct app_params *app)
app->eal_argv[n_args++] = strdup(buffer);
}
- if ((p->xen_dom0_present) && (p->xen_dom0)) {
- snprintf(buffer, sizeof(buffer), "--xen-dom0");
- app->eal_argv[n_args++] = strdup(buffer);
- }
-
snprintf(buffer, sizeof(buffer), "--");
app->eal_argv[n_args++] = strdup(buffer);
diff --git a/examples/kni/main.c b/examples/kni/main.c
index e3bc2fb..9f9d227 100644
--- a/examples/kni/main.c
+++ b/examples/kni/main.c
@@ -919,9 +919,6 @@ main(int argc, char** argv)
continue;
kni_free_kni(port);
}
-#ifdef RTE_LIBRTE_XEN_DOM0
- rte_kni_close();
-#endif
for (i = 0; i < RTE_MAX_ETHPORTS; i++)
if (kni_port_params_array[i]) {
rte_free(kni_port_params_array[i]);
diff --git a/test/test/process.h b/test/test/process.h
index 4f8d121..51ced12 100644
--- a/test/test/process.h
+++ b/test/test/process.h
@@ -52,11 +52,7 @@ static inline int
process_dup(const char *const argv[], int numargs, const char *env_value)
{
int num;
-#ifdef RTE_LIBRTE_XEN_DOM0
- char *argv_cpy[numargs + 2];
-#else
char *argv_cpy[numargs + 1];
-#endif
int i, fd, status;
char path[32];
@@ -67,14 +63,8 @@ process_dup(const char *const argv[], int numargs, const char *env_value)
/* make a copy of the arguments to be passed to exec */
for (i = 0; i < numargs; i++)
argv_cpy[i] = strdup(argv[i]);
-#ifdef RTE_LIBRTE_XEN_DOM0
- argv_cpy[i] = strdup("--xen-dom0");
- argv_cpy[i + 1] = NULL;
- num = numargs + 1;
-#else
argv_cpy[i] = NULL;
num = numargs;
-#endif
/* close all open file descriptors, check /proc/self/fd to only
* call close on open fds. Exclude fds 0, 1 and 2*/
diff --git a/test/test/test.c b/test/test/test.c
index c561eb5..9accbd1 100644
--- a/test/test/test.c
+++ b/test/test/test.c
@@ -87,11 +87,7 @@ do_recursive_call(void)
{ "test_invalid_b_flag", no_action },
{ "test_invalid_vdev_flag", no_action },
{ "test_invalid_r_flag", no_action },
-#ifdef RTE_LIBRTE_XEN_DOM0
- { "test_dom0_misc_flags", no_action },
-#else
{ "test_misc_flags", no_action },
-#endif
{ "test_memory_flags", no_action },
{ "test_file_prefix", no_action },
{ "test_no_huge_flag", no_action },
diff --git a/test/test/test_eal_flags.c b/test/test/test_eal_flags.c
index 594d79d..310109e 100644
--- a/test/test/test_eal_flags.c
+++ b/test/test/test_eal_flags.c
@@ -51,11 +51,7 @@
#include "process.h"
-#ifdef RTE_LIBRTE_XEN_DOM0
-#define DEFAULT_MEM_SIZE "30"
-#else
#define DEFAULT_MEM_SIZE "18"
-#endif
#define mp_flag "--proc-type=secondary"
#define no_hpet "--no-hpet"
#define no_huge "--no-huge"
@@ -809,72 +805,6 @@ test_no_huge_flag(void)
return 0;
}
-#ifdef RTE_LIBRTE_XEN_DOM0
-static int
-test_dom0_misc_flags(void)
-{
- char prefix[PATH_MAX], tmp[PATH_MAX];
-
- if (get_current_prefix(tmp, sizeof(tmp)) == NULL) {
- printf("Error - unable to get current prefix!\n");
- return -1;
- }
- snprintf(prefix, sizeof(prefix), "--file-prefix=%s", tmp);
-
- /* check that some general flags don't prevent things from working.
- * All cases, apart from the first, app should run.
- * No further testing of output done.
- */
- /* sanity check - failure with invalid option */
- const char *argv0[] = {prgname, prefix, mp_flag, "-c", "1", "--invalid-opt"};
-
- /* With --no-pci */
- const char *argv1[] = {prgname, prefix, mp_flag, "-c", "1", "--no-pci"};
- /* With -v */
- const char *argv2[] = {prgname, prefix, mp_flag, "-c", "1", "-v"};
- /* With valid --syslog */
- const char *argv3[] = {prgname, prefix, mp_flag, "-c", "1",
- "--syslog", "syslog"};
- /* With empty --syslog (should fail) */
- const char *argv4[] = {prgname, prefix, mp_flag, "-c", "1", "--syslog"};
- /* With invalid --syslog */
- const char *argv5[] = {prgname, prefix, mp_flag, "-c", "1", "--syslog", "error"};
- /* With no-sh-conf */
- const char *argv6[] = {prgname, "-c", "1", "-n", "2", "-m", "20",
- "--no-shconf", "--file-prefix=noshconf" };
-
- if (launch_proc(argv0) == 0) {
- printf("Error - process ran ok with invalid flag\n");
- return -1;
- }
- if (launch_proc(argv1) != 0) {
- printf("Error - process did not run ok with --no-pci flag\n");
- return -1;
- }
- if (launch_proc(argv2) != 0) {
- printf("Error - process did not run ok with -v flag\n");
- return -1;
- }
- if (launch_proc(argv3) != 0) {
- printf("Error - process did not run ok with --syslog flag\n");
- return -1;
- }
- if (launch_proc(argv4) == 0) {
- printf("Error - process run ok with empty --syslog flag\n");
- return -1;
- }
- if (launch_proc(argv5) == 0) {
- printf("Error - process run ok with invalid --syslog flag\n");
- return -1;
- }
- if (launch_proc(argv6) != 0) {
- printf("Error - process did not run ok with --no-shconf flag\n");
- return -1;
- }
-
- return 0;
-}
-#else
static int
test_misc_flags(void)
{
@@ -1061,7 +991,6 @@ test_misc_flags(void)
}
return 0;
}
-#endif
static int
test_file_prefix(void)
@@ -1098,9 +1027,6 @@ test_file_prefix(void)
printf("Error - unable to get current prefix!\n");
return -1;
}
-#ifdef RTE_LIBRTE_XEN_DOM0
- return 0;
-#endif
/* check if files for current prefix are present */
if (process_hugefiles(prefix, HUGEPAGE_CHECK_EXISTS) != 1) {
@@ -1299,9 +1225,6 @@ test_memory_flags(void)
printf("Error - process failed with valid -m flag!\n");
return -1;
}
-#ifdef RTE_LIBRTE_XEN_DOM0
- return 0;
-#endif
if (launch_proc(argv2) == 0) {
printf("Error - process run ok with invalid (zero) --socket-mem!\n");
return -1;
@@ -1427,11 +1350,7 @@ test_eal_flags(void)
return ret;
}
-#ifdef RTE_LIBRTE_XEN_DOM0
- ret = test_dom0_misc_flags();
-#else
ret = test_misc_flags();
-#endif
if (ret < 0) {
printf("Error in test_misc_flags()");
return ret;
--
2.7.4
_______________________________________________
Xen-devel mailing list
Xen-devel@lists.xen.org
https://lists.xen.org/xen-devel
^ permalink raw reply related [flat|nested] 38+ messages in thread
* [PATCH 4/6] xen: remove xen dependency in drivers, ether, mempool
2017-08-30 18:10 [PATCH 0/6] remove xen dom0 support in DPDK Jianfeng Tan
` (5 preceding siblings ...)
2017-08-30 18:10 ` Jianfeng Tan
@ 2017-08-30 18:10 ` Jianfeng Tan
2017-09-04 14:51 ` [dpdk-dev] " Bruce Richardson
2017-09-04 14:51 ` Bruce Richardson
2017-08-30 18:10 ` Jianfeng Tan
` (3 subsequent siblings)
10 siblings, 2 replies; 38+ messages in thread
From: Jianfeng Tan @ 2017-08-30 18:10 UTC (permalink / raw)
To: dev
Cc: xen-devel, thomas, john.mcnamara, oao.m.martins, jerin.jacob,
shahafs, Jianfeng Tan
Signed-off-by: Jianfeng Tan <jianfeng.tan@intel.com>
---
drivers/crypto/qat/qat_qp.c | 7 +------
drivers/net/i40e/i40e_rxtx.c | 8 ++------
lib/librte_ether/rte_ethdev.c | 7 +------
lib/librte_mempool/rte_mempool.c | 8 ++------
4 files changed, 6 insertions(+), 24 deletions(-)
diff --git a/drivers/crypto/qat/qat_qp.c b/drivers/crypto/qat/qat_qp.c
index 5048d21..34f75ca 100644
--- a/drivers/crypto/qat/qat_qp.c
+++ b/drivers/crypto/qat/qat_qp.c
@@ -122,14 +122,9 @@ queue_dma_zone_reserve(const char *queue_name, uint32_t queue_size,
break;
default:
memzone_flags = RTE_MEMZONE_SIZE_HINT_ONLY;
-}
-#ifdef RTE_LIBRTE_XEN_DOM0
- return rte_memzone_reserve_bounded(queue_name, queue_size,
- socket_id, 0, RTE_CACHE_LINE_SIZE, RTE_PGSIZE_2M);
-#else
+ }
return rte_memzone_reserve_aligned(queue_name, queue_size, socket_id,
memzone_flags, queue_size);
-#endif
}
int qat_crypto_sym_qp_setup(struct rte_cryptodev *dev, uint16_t queue_pair_id,
diff --git a/drivers/net/i40e/i40e_rxtx.c b/drivers/net/i40e/i40e_rxtx.c
index d42c23c..f571e79 100644
--- a/drivers/net/i40e/i40e_rxtx.c
+++ b/drivers/net/i40e/i40e_rxtx.c
@@ -2221,12 +2221,8 @@ i40e_memzone_reserve(const char *name, uint32_t len, int socket_id)
if (mz)
return mz;
- if (rte_xen_dom0_supported())
- mz = rte_memzone_reserve_bounded(name, len,
- socket_id, 0, I40E_RING_BASE_ALIGN, RTE_PGSIZE_2M);
- else
- mz = rte_memzone_reserve_aligned(name, len,
- socket_id, 0, I40E_RING_BASE_ALIGN);
+ mz = rte_memzone_reserve_aligned(name, len,
+ socket_id, 0, I40E_RING_BASE_ALIGN);
return mz;
}
diff --git a/lib/librte_ether/rte_ethdev.c b/lib/librte_ether/rte_ethdev.c
index 0597641..cb0bde7 100644
--- a/lib/librte_ether/rte_ethdev.c
+++ b/lib/librte_ether/rte_ethdev.c
@@ -2818,12 +2818,7 @@ rte_eth_dma_zone_reserve(const struct rte_eth_dev *dev, const char *ring_name,
if (mz)
return mz;
- if (rte_xen_dom0_supported())
- return rte_memzone_reserve_bounded(z_name, size, socket_id,
- 0, align, RTE_PGSIZE_2M);
- else
- return rte_memzone_reserve_aligned(z_name, size, socket_id,
- 0, align);
+ return rte_memzone_reserve_aligned(z_name, size, socket_id, 0, align);
}
int
diff --git a/lib/librte_mempool/rte_mempool.c b/lib/librte_mempool/rte_mempool.c
index 6fc3c9c..6d726ae 100644
--- a/lib/librte_mempool/rte_mempool.c
+++ b/lib/librte_mempool/rte_mempool.c
@@ -527,11 +527,7 @@ rte_mempool_populate_default(struct rte_mempool *mp)
if (mp->nb_mem_chunks != 0)
return -EEXIST;
- if (rte_xen_dom0_supported()) {
- pg_sz = RTE_PGSIZE_2M;
- pg_shift = rte_bsf32(pg_sz);
- align = pg_sz;
- } else if (rte_eal_has_hugepages()) {
+ if (rte_eal_has_hugepages()) {
pg_shift = 0; /* not needed, zone is physically contiguous */
pg_sz = 0;
align = RTE_CACHE_LINE_SIZE;
@@ -568,7 +564,7 @@ rte_mempool_populate_default(struct rte_mempool *mp)
else
paddr = mz->phys_addr;
- if (rte_eal_has_hugepages() && !rte_xen_dom0_supported())
+ if (rte_eal_has_hugepages())
ret = rte_mempool_populate_phys(mp, mz->addr,
paddr, mz->len,
rte_mempool_memchunk_mz_free,
--
2.7.4
^ permalink raw reply related [flat|nested] 38+ messages in thread
* [PATCH 4/6] xen: remove xen dependency in drivers, ether, mempool
2017-08-30 18:10 [PATCH 0/6] remove xen dom0 support in DPDK Jianfeng Tan
` (6 preceding siblings ...)
2017-08-30 18:10 ` [PATCH 4/6] xen: remove xen dependency in drivers, ether, mempool Jianfeng Tan
@ 2017-08-30 18:10 ` Jianfeng Tan
2017-08-30 18:10 ` [PATCH 5/6] eal: remove xen dom0 support Jianfeng Tan
` (2 subsequent siblings)
10 siblings, 0 replies; 38+ messages in thread
From: Jianfeng Tan @ 2017-08-30 18:10 UTC (permalink / raw)
To: dev
Cc: jerin.jacob, shahafs, john.mcnamara, Jianfeng Tan, oao.m.martins,
thomas, xen-devel
Signed-off-by: Jianfeng Tan <jianfeng.tan@intel.com>
---
drivers/crypto/qat/qat_qp.c | 7 +------
drivers/net/i40e/i40e_rxtx.c | 8 ++------
lib/librte_ether/rte_ethdev.c | 7 +------
lib/librte_mempool/rte_mempool.c | 8 ++------
4 files changed, 6 insertions(+), 24 deletions(-)
diff --git a/drivers/crypto/qat/qat_qp.c b/drivers/crypto/qat/qat_qp.c
index 5048d21..34f75ca 100644
--- a/drivers/crypto/qat/qat_qp.c
+++ b/drivers/crypto/qat/qat_qp.c
@@ -122,14 +122,9 @@ queue_dma_zone_reserve(const char *queue_name, uint32_t queue_size,
break;
default:
memzone_flags = RTE_MEMZONE_SIZE_HINT_ONLY;
-}
-#ifdef RTE_LIBRTE_XEN_DOM0
- return rte_memzone_reserve_bounded(queue_name, queue_size,
- socket_id, 0, RTE_CACHE_LINE_SIZE, RTE_PGSIZE_2M);
-#else
+ }
return rte_memzone_reserve_aligned(queue_name, queue_size, socket_id,
memzone_flags, queue_size);
-#endif
}
int qat_crypto_sym_qp_setup(struct rte_cryptodev *dev, uint16_t queue_pair_id,
diff --git a/drivers/net/i40e/i40e_rxtx.c b/drivers/net/i40e/i40e_rxtx.c
index d42c23c..f571e79 100644
--- a/drivers/net/i40e/i40e_rxtx.c
+++ b/drivers/net/i40e/i40e_rxtx.c
@@ -2221,12 +2221,8 @@ i40e_memzone_reserve(const char *name, uint32_t len, int socket_id)
if (mz)
return mz;
- if (rte_xen_dom0_supported())
- mz = rte_memzone_reserve_bounded(name, len,
- socket_id, 0, I40E_RING_BASE_ALIGN, RTE_PGSIZE_2M);
- else
- mz = rte_memzone_reserve_aligned(name, len,
- socket_id, 0, I40E_RING_BASE_ALIGN);
+ mz = rte_memzone_reserve_aligned(name, len,
+ socket_id, 0, I40E_RING_BASE_ALIGN);
return mz;
}
diff --git a/lib/librte_ether/rte_ethdev.c b/lib/librte_ether/rte_ethdev.c
index 0597641..cb0bde7 100644
--- a/lib/librte_ether/rte_ethdev.c
+++ b/lib/librte_ether/rte_ethdev.c
@@ -2818,12 +2818,7 @@ rte_eth_dma_zone_reserve(const struct rte_eth_dev *dev, const char *ring_name,
if (mz)
return mz;
- if (rte_xen_dom0_supported())
- return rte_memzone_reserve_bounded(z_name, size, socket_id,
- 0, align, RTE_PGSIZE_2M);
- else
- return rte_memzone_reserve_aligned(z_name, size, socket_id,
- 0, align);
+ return rte_memzone_reserve_aligned(z_name, size, socket_id, 0, align);
}
int
diff --git a/lib/librte_mempool/rte_mempool.c b/lib/librte_mempool/rte_mempool.c
index 6fc3c9c..6d726ae 100644
--- a/lib/librte_mempool/rte_mempool.c
+++ b/lib/librte_mempool/rte_mempool.c
@@ -527,11 +527,7 @@ rte_mempool_populate_default(struct rte_mempool *mp)
if (mp->nb_mem_chunks != 0)
return -EEXIST;
- if (rte_xen_dom0_supported()) {
- pg_sz = RTE_PGSIZE_2M;
- pg_shift = rte_bsf32(pg_sz);
- align = pg_sz;
- } else if (rte_eal_has_hugepages()) {
+ if (rte_eal_has_hugepages()) {
pg_shift = 0; /* not needed, zone is physically contiguous */
pg_sz = 0;
align = RTE_CACHE_LINE_SIZE;
@@ -568,7 +564,7 @@ rte_mempool_populate_default(struct rte_mempool *mp)
else
paddr = mz->phys_addr;
- if (rte_eal_has_hugepages() && !rte_xen_dom0_supported())
+ if (rte_eal_has_hugepages())
ret = rte_mempool_populate_phys(mp, mz->addr,
paddr, mz->len,
rte_mempool_memchunk_mz_free,
--
2.7.4
_______________________________________________
Xen-devel mailing list
Xen-devel@lists.xen.org
https://lists.xen.org/xen-devel
^ permalink raw reply related [flat|nested] 38+ messages in thread
* [PATCH 5/6] eal: remove xen dom0 support
2017-08-30 18:10 [PATCH 0/6] remove xen dom0 support in DPDK Jianfeng Tan
` (7 preceding siblings ...)
2017-08-30 18:10 ` Jianfeng Tan
@ 2017-08-30 18:10 ` Jianfeng Tan
2017-09-04 14:43 ` [dpdk-dev] " Bruce Richardson
2017-09-04 14:43 ` Bruce Richardson
2017-08-30 18:10 ` [PATCH 6/6] eal: remove API rte_mem_phy2mch Jianfeng Tan
2017-08-31 8:44 ` [PATCH 0/6] remove xen dom0 support in DPDK Wei Liu
10 siblings, 2 replies; 38+ messages in thread
From: Jianfeng Tan @ 2017-08-30 18:10 UTC (permalink / raw)
To: dev
Cc: jerin.jacob, shahafs, john.mcnamara, Jianfeng Tan, oao.m.martins,
thomas, xen-devel
We remove xen-specific code in EAL, including the option --xen-dom0,
memory initialization code, compiling dependency, etc.
Besides, related documents are removed or updated.
Signed-off-by: Jianfeng Tan <jianfeng.tan@intel.com>
---
MAINTAINERS | 7 -
config/common_base | 5 -
doc/guides/index.rst | 1 -
doc/guides/linux_gsg/build_sample_apps.rst | 5 +-
doc/guides/linux_gsg/sys_reqs.rst | 53 --
doc/guides/prog_guide/source_org.rst | 1 -
doc/guides/rel_notes/deprecation.rst | 3 -
doc/guides/rel_notes/release_17_11.rst | 12 +
doc/guides/testpmd_app_ug/run_app.rst | 4 -
doc/guides/xen/img/dpdk_xen_pkt_switch.png | Bin 163842 -> 0 bytes
doc/guides/xen/img/grant_refs.png | Bin 6405 -> 0 bytes
doc/guides/xen/img/grant_table.png | Bin 96762 -> 0 bytes
doc/guides/xen/index.rst | 38 -
doc/guides/xen/pkt_switch.rst | 470 -------------
.../bsdapp/eal/include/exec-env/rte_dom0_common.h | 107 ---
lib/librte_eal/common/eal_common_options.c | 3 -
lib/librte_eal/common/eal_internal_cfg.h | 1 -
lib/librte_eal/common/eal_options.h | 2 -
lib/librte_eal/common/include/rte_memory.h | 66 --
lib/librte_eal/linuxapp/Makefile | 2 -
lib/librte_eal/linuxapp/eal/Makefile | 5 +-
lib/librte_eal/linuxapp/eal/eal.c | 24 -
lib/librte_eal/linuxapp/eal/eal_memory.c | 56 --
lib/librte_eal/linuxapp/eal/eal_xen_memory.c | 381 ----------
.../eal/include/exec-env/rte_dom0_common.h | 108 ---
lib/librte_eal/linuxapp/igb_uio/igb_uio.c | 54 --
lib/librte_eal/linuxapp/xen_dom0/Makefile | 53 --
lib/librte_eal/linuxapp/xen_dom0/compat.h | 15 -
lib/librte_eal/linuxapp/xen_dom0/dom0_mm_dev.h | 107 ---
lib/librte_eal/linuxapp/xen_dom0/dom0_mm_misc.c | 780 ---------------------
pkg/dpdk.spec | 3 -
31 files changed, 14 insertions(+), 2352 deletions(-)
delete mode 100644 doc/guides/xen/img/dpdk_xen_pkt_switch.png
delete mode 100644 doc/guides/xen/img/grant_refs.png
delete mode 100644 doc/guides/xen/img/grant_table.png
delete mode 100644 doc/guides/xen/index.rst
delete mode 100644 doc/guides/xen/pkt_switch.rst
delete mode 100644 lib/librte_eal/bsdapp/eal/include/exec-env/rte_dom0_common.h
delete mode 100644 lib/librte_eal/linuxapp/eal/eal_xen_memory.c
delete mode 100644 lib/librte_eal/linuxapp/eal/include/exec-env/rte_dom0_common.h
delete mode 100644 lib/librte_eal/linuxapp/xen_dom0/Makefile
delete mode 100644 lib/librte_eal/linuxapp/xen_dom0/compat.h
delete mode 100644 lib/librte_eal/linuxapp/xen_dom0/dom0_mm_dev.h
delete mode 100644 lib/librte_eal/linuxapp/xen_dom0/dom0_mm_misc.c
diff --git a/MAINTAINERS b/MAINTAINERS
index 003e72e..2af32ff 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -189,13 +189,6 @@ Linux VFIO
M: Anatoly Burakov <anatoly.burakov@intel.com>
F: lib/librte_eal/linuxapp/eal/*vfio*
-Linux Xen
-M: Jianfeng Tan <jianfeng.tan@intel.com>
-F: lib/librte_eal/linuxapp/xen_dom0/
-F: lib/librte_eal/linuxapp/eal/*xen*
-F: lib/librte_eal/linuxapp/eal/include/exec-env/rte_dom0_common.h
-F: doc/guides/xen/
-
FreeBSD EAL (with overlaps)
M: Bruce Richardson <bruce.richardson@intel.com>
M: Sergio Gonzalez Monroy <sergio.gonzalez.monroy@intel.com>
diff --git a/config/common_base b/config/common_base
index 93928b6..17d3dae 100644
--- a/config/common_base
+++ b/config/common_base
@@ -719,11 +719,6 @@ CONFIG_RTE_LIBRTE_VHOST_DEBUG=n
CONFIG_RTE_LIBRTE_PMD_VHOST=n
#
-#Compile Xen domain0 support
-#
-CONFIG_RTE_LIBRTE_XEN_DOM0=n
-
-#
# Compile the test application
#
CONFIG_RTE_APP_TEST=y
diff --git a/doc/guides/index.rst b/doc/guides/index.rst
index 63716b0..5b6eb7e 100644
--- a/doc/guides/index.rst
+++ b/doc/guides/index.rst
@@ -44,7 +44,6 @@ DPDK documentation
nics/index
cryptodevs/index
eventdevs/index
- xen/index
contributing/index
rel_notes/index
faq/index
diff --git a/doc/guides/linux_gsg/build_sample_apps.rst b/doc/guides/linux_gsg/build_sample_apps.rst
index 0cc5fd1..582984d 100644
--- a/doc/guides/linux_gsg/build_sample_apps.rst
+++ b/doc/guides/linux_gsg/build_sample_apps.rst
@@ -116,7 +116,7 @@ The following is the list of options that can be given to the EAL:
./rte-app [-c COREMASK | -l CORELIST] [-n NUM] [-b <domain:bus:devid.func>] \
[--socket-mem=MB,...] [-d LIB.so|DIR] [-m MB] [-r NUM] [-v] [--file-prefix] \
- [--proc-type <primary|secondary|auto>] [-- xen-dom0]
+ [--proc-type <primary|secondary|auto>]
The EAL options are as follows:
@@ -163,9 +163,6 @@ The EAL options are as follows:
* ``--proc-type``:
The type of process instance.
-* ``--xen-dom0``:
- Support application running on Xen Domain0 without hugetlbfs.
-
* ``--vmware-tsc-map``:
Use VMware TSC map instead of native RDTSC.
diff --git a/doc/guides/linux_gsg/sys_reqs.rst b/doc/guides/linux_gsg/sys_reqs.rst
index eb8442c..3e7fe63 100644
--- a/doc/guides/linux_gsg/sys_reqs.rst
+++ b/doc/guides/linux_gsg/sys_reqs.rst
@@ -228,56 +228,3 @@ The mount point can be made permanent across reboots, by adding the following li
For 1GB pages, the page size must be specified as a mount option::
nodev /mnt/huge_1GB hugetlbfs pagesize=1GB 0 0
-
-Xen Domain0 Support in the Linux Environment
-~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-
-The existing memory management implementation is based on the Linux kernel hugepage mechanism.
-On the Xen hypervisor, hugepage support for DomainU (DomU) Guests means that DPDK applications work as normal for guests.
-
-However, Domain0 (Dom0) does not support hugepages.
-To work around this limitation, a new kernel module rte_dom0_mm is added to facilitate the allocation and mapping of memory via
-**IOCTL** (allocation) and **MMAP** (mapping).
-
-Enabling Xen Dom0 Mode in the DPDK
-^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-
-By default, Xen Dom0 mode is disabled in the DPDK build configuration files.
-To support Xen Dom0, the CONFIG_RTE_LIBRTE_XEN_DOM0 setting should be changed to “y”, which enables the Xen Dom0 mode at compile time.
-
-Furthermore, the CONFIG_RTE_EAL_ALLOW_INV_SOCKET_ID setting should also be changed to “y” in the case of the wrong socket ID being received.
-
-Loading the DPDK rte_dom0_mm Module
-^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-
-To run any DPDK application on Xen Dom0, the ``rte_dom0_mm`` module must be loaded into the running kernel with rsv_memsize option.
-The module is found in the kmod sub-directory of the DPDK target directory.
-This module should be loaded using the insmod command as shown below (assuming that the current directory is the DPDK target directory)::
-
- sudo insmod kmod/rte_dom0_mm.ko rsv_memsize=X
-
-The value X cannot be greater than 4096(MB).
-
-Configuring Memory for DPDK Use
-^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-
-After the rte_dom0_mm.ko kernel module has been loaded, the user must configure the memory size for DPDK usage.
-This is done by echoing the memory size to a memsize file in the /sys/devices/ directory.
-Use the following command (assuming that 2048 MB is required)::
-
- echo 2048 > /sys/kernel/mm/dom0-mm/memsize-mB/memsize
-
-The user can also check how much memory has already been used::
-
- cat /sys/kernel/mm/dom0-mm/memsize-mB/memsize_rsvd
-
-Xen Domain0 does not support NUMA configuration, as a result the ``--socket-mem`` command line option is invalid for Xen Domain0.
-
-.. note::
-
- The memsize value cannot be greater than the rsv_memsize value.
-
-Running the DPDK Application on Xen Domain0
-^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-
-To run the DPDK application on Xen Domain0, an extra command line option ``--xen-dom0`` is required.
diff --git a/doc/guides/prog_guide/source_org.rst b/doc/guides/prog_guide/source_org.rst
index d5d01f3..7aab4b4 100644
--- a/doc/guides/prog_guide/source_org.rst
+++ b/doc/guides/prog_guide/source_org.rst
@@ -108,7 +108,6 @@ The drivers directory has a *net* subdirectory which contains::
+-- szedata2 # SZEDATA2 poll mode driver
+-- virtio # Virtio poll mode driver
+-- vmxnet3 # VMXNET3 poll mode driver
- +-- xenvirt # Xen virtio poll mode driver
.. note::
diff --git a/doc/guides/rel_notes/deprecation.rst b/doc/guides/rel_notes/deprecation.rst
index 3362f33..7a2d2f2 100644
--- a/doc/guides/rel_notes/deprecation.rst
+++ b/doc/guides/rel_notes/deprecation.rst
@@ -29,9 +29,6 @@ Deprecation Notices
- ``rte_eal_devargs_type_count``
- ``rte_eal_parse_devargs_str``, replaced by ``rte_eal_devargs_parse``
-* eal: the support of Xen dom0 will be removed from EAL in 17.11; and with
- that, drivers/net/xenvirt and examples/vhost_xen will also be removed.
-
* eal: An ABI change is planned for 17.11 to make DPDK aware of IOVA address
translation scheme.
Reference to phys address in EAL data-structure or functions may change to
diff --git a/doc/guides/rel_notes/release_17_11.rst b/doc/guides/rel_notes/release_17_11.rst
index 170f4f9..d211084 100644
--- a/doc/guides/rel_notes/release_17_11.rst
+++ b/doc/guides/rel_notes/release_17_11.rst
@@ -124,7 +124,19 @@ ABI Changes
Also, make sure to start the actual text at the margin.
=========================================================
+Removed Items
+-------------
+.. This section should contain removed items in this release. Sample format:
+
+ * Add a short 1-2 sentence description of the removed item in the past
+ tense.
+
+ This section is a comment. do not overwrite or remove it.
+ Also, make sure to start the actual text at the margin.
+ =========================================================
+
+ * Xen dom0 in EAL was removed, as well as xenvirt PMD and vhost_xen.
Shared Library Versions
-----------------------
diff --git a/doc/guides/testpmd_app_ug/run_app.rst b/doc/guides/testpmd_app_ug/run_app.rst
index e8303f3..bd5ebe6 100644
--- a/doc/guides/testpmd_app_ug/run_app.rst
+++ b/doc/guides/testpmd_app_ug/run_app.rst
@@ -94,10 +94,6 @@ See the DPDK Getting Started Guides for more information on these options.
Display the version information on startup.
-* ``--xen-dom0``
-
- Support application running on Xen Domain0 without hugetlbfs.
-
* ``--syslog``
Set the syslog facility.
diff --git a/doc/guides/xen/img/dpdk_xen_pkt_switch.png b/doc/guides/xen/img/dpdk_xen_pkt_switch.png
deleted file mode 100644
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GIT binary patch
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diff --git a/doc/guides/xen/index.rst b/doc/guides/xen/index.rst
deleted file mode 100644
index cb43cd2..0000000
--- a/doc/guides/xen/index.rst
+++ /dev/null
@@ -1,38 +0,0 @@
-.. BSD LICENSE
- Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
- All rights reserved.
-
- Redistribution and use in source and binary forms, with or without
- modification, are permitted provided that the following conditions
- are met:
-
- * Redistributions of source code must retain the above copyright
- notice, this list of conditions and the following disclaimer.
- * Redistributions in binary form must reproduce the above copyright
- notice, this list of conditions and the following disclaimer in
- the documentation and/or other materials provided with the
- distribution.
- * Neither the name of Intel Corporation nor the names of its
- contributors may be used to endorse or promote products derived
- from this software without specific prior written permission.
-
- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-Xen Guide
-=========
-
-.. toctree::
- :maxdepth: 2
- :numbered:
-
- pkt_switch
diff --git a/doc/guides/xen/pkt_switch.rst b/doc/guides/xen/pkt_switch.rst
deleted file mode 100644
index 717a04b..0000000
--- a/doc/guides/xen/pkt_switch.rst
+++ /dev/null
@@ -1,470 +0,0 @@
-.. BSD LICENSE
- Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
- All rights reserved.
-
- Redistribution and use in source and binary forms, with or without
- modification, are permitted provided that the following conditions
- are met:
-
- * Redistributions of source code must retain the above copyright
- notice, this list of conditions and the following disclaimer.
- * Redistributions in binary form must reproduce the above copyright
- notice, this list of conditions and the following disclaimer in
- the documentation and/or other materials provided with the
- distribution.
- * Neither the name of Intel Corporation nor the names of its
- contributors may be used to endorse or promote products derived
- from this software without specific prior written permission.
-
- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-DPDK Xen Based Packet-Switching Solution
-========================================
-
-Introduction
-------------
-
-DPDK provides a para-virtualization packet switching solution, based on the Xen hypervisor's Grant Table, Note 1,
-which provides simple and fast packet switching capability between guest domains and host domain based on MAC address or VLAN tag.
-
-This solution is comprised of two components;
-a Poll Mode Driver (PMD) as the front end in the guest domain and a switching back end in the host domain.
-XenStore is used to exchange configure information between the PMD front end and switching back end,
-including grant reference IDs for shared Virtio RX/TX rings,
-MAC address, device state, and so on. XenStore is an information storage space shared between domains,
-see further information on XenStore below.
-
-The front end PMD can be found in the DPDK directory lib/ librte_pmd_xenvirt and back end example in examples/vhost_xen.
-
-The PMD front end and switching back end use shared Virtio RX/TX rings as para- virtualized interface.
-The Virtio ring is created by the front end, and Grant table references for the ring are passed to host.
-The switching back end maps those grant table references and creates shared rings in a mapped address space.
-
-The following diagram describes the functionality of the DPDK Xen Packet- Switching Solution.
-
-
-.. _figure_dpdk_xen_pkt_switch:
-
-.. figure:: img/dpdk_xen_pkt_switch.*
-
- Functionality of the DPDK Xen Packet Switching Solution.
-
-
-Note 1 The Xen hypervisor uses a mechanism called a Grant Table to share memory between domains
-(`http://wiki.xen.org/wiki/Grant Table <http://wiki.xen.org/wiki/Grant%20Table>`_).
-
-A diagram of the design is shown below, where "gva" is the Guest Virtual Address,
-which is the data pointer of the mbuf, and "hva" is the Host Virtual Address:
-
-
-.. _figure_grant_table:
-
-.. figure:: img/grant_table.*
-
- DPDK Xen Layout
-
-
-In this design, a Virtio ring is used as a para-virtualized interface for better performance over a Xen private ring
-when packet switching to and from a VM.
-The additional performance is gained by avoiding a system call and memory map in each memory copy with a XEN private ring.
-
-Device Creation
----------------
-
-Poll Mode Driver Front End
-~~~~~~~~~~~~~~~~~~~~~~~~~~
-
-* Mbuf pool allocation:
-
- To use a Xen switching solution, the DPDK application should use rte_mempool_gntalloc_create()
- to reserve mbuf pools during initialization.
- rte_mempool_gntalloc_create() creates a mempool with objects from memory allocated and managed via gntalloc/gntdev.
-
- The DPDK now supports construction of mempools from allocated virtual memory through the rte_mempool_xmem_create() API.
-
- This front end constructs mempools based on memory allocated through the xen_gntalloc driver.
- rte_mempool_gntalloc_create() allocates Grant pages, maps them to continuous virtual address space,
- and calls rte_mempool_xmem_create() to build mempools.
- The Grant IDs for all Grant pages are passed to the host through XenStore.
-
-* Virtio Ring Creation:
-
- The Virtio queue size is defined as 256 by default in the VQ_DESC_NUM macro.
- Using the queue setup function,
- Grant pages are allocated based on ring size and are mapped to continuous virtual address space to form the Virtio ring.
- Normally, one ring is comprised of several pages.
- Their Grant IDs are passed to the host through XenStore.
-
- There is no requirement that this memory be physically continuous.
-
-* Interrupt and Kick:
-
- There are no interrupts in DPDK Xen Switching as both front and back ends work in polling mode.
- There is no requirement for notification.
-
-* Feature Negotiation:
-
- Currently, feature negotiation through XenStore is not supported.
-
-* Packet Reception & Transmission:
-
- With mempools and Virtio rings created, the front end can operate Virtio devices,
- as it does in Virtio PMD for KVM Virtio devices with the exception that the host
- does not require notifications or deal with interrupts.
-
-XenStore is a database that stores guest and host information in the form of (key, value) pairs.
-The following is an example of the information generated during the startup of the front end PMD in a guest VM (domain ID 1):
-
-.. code-block:: console
-
- xenstore -ls /local/domain/1/control/dpdk
- 0_mempool_gref="3042,3043,3044,3045"
- 0_mempool_va="0x7fcbc6881000"
- 0_tx_vring_gref="3049"
- 0_rx_vring_gref="3053"
- 0_ether_addr="4e:0b:d0:4e:aa:f1"
- 0_vring_flag="3054"
- ...
-
-Multiple mempools and multiple Virtios may exist in the guest domain, the first number is the index, starting from zero.
-
-The idx#_mempool_va stores the guest virtual address for mempool idx#.
-
-The idx#_ether_adder stores the MAC address of the guest Virtio device.
-
-For idx#_rx_ring_gref, idx#_tx_ring_gref, and idx#_mempool_gref, the value is a list of Grant references.
-Take idx#_mempool_gref node for example, the host maps those Grant references to a continuous virtual address space.
-The real Grant reference information is stored in this virtual address space,
-where (gref, pfn) pairs follow each other with -1 as the terminator.
-
-
-.. _figure_grant_refs:
-
-.. figure:: img/grant_refs.*
-
- Mapping Grant references to a continuous virtual address space
-
-
-After all gref# IDs are retrieved, the host maps them to a continuous virtual address space.
-With the guest mempool virtual address, the host establishes 1:1 address mapping.
-With multiple guest mempools, the host establishes multiple address translation regions.
-
-Switching Back End
-~~~~~~~~~~~~~~~~~~
-
-The switching back end monitors changes in XenStore.
-When the back end detects that a new Virtio device has been created in a guest domain, it will:
-
-#. Retrieve Grant and configuration information from XenStore.
-
-#. Map and create a Virtio ring.
-
-#. Map mempools in the host and establish address translation between the guest address and host address.
-
-#. Select a free VMDQ pool, set its affinity with the Virtio device, and set the MAC/ VLAN filter.
-
-Packet Reception
-~~~~~~~~~~~~~~~~
-
-When packets arrive from an external network, the MAC?VLAN filter classifies packets into queues in one VMDQ pool.
-As each pool is bonded to a Virtio device in some guest domain, the switching back end will:
-
-#. Fetch an available entry from the Virtio RX ring.
-
-#. Get gva, and translate it to hva.
-
-#. Copy the contents of the packet to the memory buffer pointed to by gva.
-
-The DPDK application in the guest domain, based on the PMD front end,
-is polling the shared Virtio RX ring for available packets and receives them on arrival.
-
-Packet Transmission
-~~~~~~~~~~~~~~~~~~~
-
-When a Virtio device in one guest domain is to transmit a packet,
-it puts the virtual address of the packet's data area into the shared Virtio TX ring.
-
-The packet switching back end is continuously polling the Virtio TX ring.
-When new packets are available for transmission from a guest, it will:
-
-#. Fetch an available entry from the Virtio TX ring.
-
-#. Get gva, and translate it to hva.
-
-#. Copy the packet from hva to the host mbuf's data area.
-
-#. Compare the destination MAC address with all the MAC addresses of the Virtio devices it manages.
- If a match exists, it directly copies the packet to the matched VIrtio RX ring.
- Otherwise, it sends the packet out through hardware.
-
-.. note::
-
- The packet switching back end is for demonstration purposes only.
- The user could implement their switching logic based on this example.
- In this example, only one physical port on the host is supported.
- Multiple segments are not supported. The biggest mbuf supported is 4KB.
- When the back end is restarted, all front ends must also be restarted.
-
-Running the Application
------------------------
-
-The following describes the steps required to run the application.
-
-Validated Environment
-~~~~~~~~~~~~~~~~~~~~~
-
-Host:
-
- Xen-hypervisor: 4.2.2
-
- Distribution: Fedora release 18
-
- Kernel: 3.10.0
-
- Xen development package (including Xen, Xen-libs, xen-devel): 4.2.3
-
-Guest:
-
- Distribution: Fedora 16 and 18
-
- Kernel: 3.6.11
-
-Xen Host Prerequisites
-~~~~~~~~~~~~~~~~~~~~~~
-
-Note that the following commands might not be the same on different Linux* distributions.
-
-* Install xen-devel package:
-
- .. code-block:: console
-
- yum install xen-devel.x86_64
-
-* Start xend if not already started:
-
- .. code-block:: console
-
- /etc/init.d/xend start
-
-* Mount xenfs if not already mounted:
-
- .. code-block:: console
-
- mount -t xenfs none /proc/xen
-
-* Enlarge the limit for xen_gntdev driver:
-
- .. code-block:: console
-
- modprobe -r xen_gntdev
- modprobe xen_gntdev limit=1000000
-
-.. note::
-
- The default limit for earlier versions of the xen_gntdev driver is 1024.
- That is insufficient to support the mapping of multiple Virtio devices into multiple VMs,
- so it is necessary to enlarge the limit by reloading this module.
- The default limit of recent versions of xen_gntdev is 1048576.
- The rough calculation of this limit is:
-
- limit=nb_mbuf# * VM#.
-
- In DPDK examples, nb_mbuf# is normally 8192.
-
-Building and Running the Switching Backend
-~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-
-#. Edit config/common_linuxapp, and change the default configuration value for the following two items:
-
- .. code-block:: console
-
- CONFIG_RTE_LIBRTE_XEN_DOM0=y
- CONFIG RTE_LIBRTE_PMD_XENVIRT=n
-
-#. Build the target:
-
- .. code-block:: console
-
- make install T=x86_64-native-linuxapp-gcc
-
-#. Ensure that RTE_SDK and RTE_TARGET are correctly set. Build the switching example:
-
- .. code-block:: console
-
- make -C examples/vhost_xen/
-
-#. Load the Xen DPDK memory management module and preallocate memory:
-
- .. code-block:: console
-
- insmod ./x86_64-native-linuxapp-gcc/build/lib/librte_eal/linuxapp/xen_dom0/rte_dom0_mm.ko
- echo 2048> /sys/kernel/mm/dom0-mm/memsize-mB/memsize
-
- .. note::
-
- On Xen Dom0, there is no hugepage support.
- Under Xen Dom0, the DPDK uses a special memory management kernel module
- to allocate chunks of physically continuous memory.
- Refer to the *DPDK Getting Started Guide* for more information on memory management in the DPDK.
- In the above command, 4 GB memory is reserved (2048 of 2 MB pages) for DPDK.
-
-#. Load uio_pci_generic and bind one Intel NIC controller to it:
-
- .. code-block:: console
-
- modprobe uio_pci_generic
- python usertools/dpdk-devbind.py -b uio_pci_generic 0000:09:00:00.0
-
- In this case, 0000:09:00.0 is the PCI address for the NIC controller.
-
-#. Run the switching back end example:
-
- .. code-block:: console
-
- examples/vhost_xen/build/vhost-switch -l 0-3 -n 3 --xen-dom0 -- -p1
-
-.. note::
-
- The -xen-dom0 option instructs the DPDK to use the Xen kernel module to allocate memory.
-
-Other Parameters:
-
-* -vm2vm
-
- The vm2vm parameter enables/disables packet switching in software.
- Disabling vm2vm implies that on a VM packet transmission will always go to the Ethernet port
- and will not be switched to another VM
-
-* -Stats
-
- The Stats parameter controls the printing of Virtio-net device statistics.
- The parameter specifies the interval (in seconds) at which to print statistics,
- an interval of 0 seconds will disable printing statistics.
-
-Xen PMD Frontend Prerequisites
-~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-
-#. Install xen-devel package for accessing XenStore:
-
- .. code-block:: console
-
- yum install xen-devel.x86_64
-
-#. Mount xenfs, if it is not already mounted:
-
- .. code-block:: console
-
- mount -t xenfs none /proc/xen
-
-#. Enlarge the default limit for xen_gntalloc driver:
-
- .. code-block:: console
-
- modprobe -r xen_gntalloc
- modprobe xen_gntalloc limit=6000
-
-.. note::
-
- Before the Linux kernel version 3.8-rc5, Jan 15th 2013,
- a critical defect occurs when a guest is heavily allocating Grant pages.
- The Grant driver allocates fewer pages than expected which causes kernel memory corruption.
- This happens, for example, when a guest uses the v1 format of a Grant table entry and allocates
- more than 8192 Grant pages (this number might be different on different hypervisor versions).
- To work around this issue, set the limit for gntalloc driver to 6000.
- (The kernel normally allocates hundreds of Grant pages with one Xen front end per virtualized device).
- If the kernel allocates a lot of Grant pages, for example, if the user uses multiple net front devices,
- it is best to upgrade the Grant alloc driver.
- This defect has been fixed in kernel version 3.8-rc5 and later.
-
-Building and Running the Front End
-~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-
-#. Edit config/common_linuxapp, and change the default configuration value:
-
- .. code-block:: console
-
- CONFIG_RTE_LIBRTE_XEN_DOM0=n
- CONFIG_RTE_LIBRTE_PMD_XENVIRT=y
-
-#. Build the package:
-
- .. code-block:: console
-
- make install T=x86_64-native-linuxapp-gcc
-
-#. Enable hugepages. Refer to the *DPDK Getting Started Guide* for instructions on
- how to use hugepages in the DPDK.
-
-#. Run TestPMD. Refer to *DPDK TestPMD Application User Guide* for detailed parameter usage.
-
- .. code-block:: console
-
- ./x86_64-native-linuxapp-gcc/app/testpmd -l 0-3 -n 4 --vdev="net_xenvirt0,mac=00:00:00:00:00:11"
- testpmd>set fwd mac
- testpmd>start
-
- As an example to run two TestPMD instances over 2 Xen Virtio devices:
-
- .. code-block:: console
-
- --vdev="net_xenvirt0,mac=00:00:00:00:00:11" --vdev="net_xenvirt1;mac=00:00:00:00:00:22"
-
-
-Usage Examples: Injecting a Packet Stream Using a Packet Generator
-~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-
-Loopback Mode
-^^^^^^^^^^^^^
-
-Run TestPMD in a guest VM:
-
-.. code-block:: console
-
- ./x86_64-native-linuxapp-gcc/app/testpmd -l 0-3 -n 4 --vdev="net_xenvirt0,mac=00:00:00:00:00:11" -- -i --eth-peer=0,00:00:00:00:00:22
- testpmd> set fwd mac
- testpmd> start
-
-Example output of the vhost_switch would be:
-
-.. code-block:: console
-
- DATA:(0) MAC_ADDRESS 00:00:00:00:00:11 and VLAN_TAG 1000 registered.
-
-The above message indicates that device 0 has been registered with MAC address 00:00:00:00:00:11 and VLAN tag 1000.
-Any packets received on the NIC with these values is placed on the device's receive queue.
-
-Configure a packet stream in the packet generator, set the destination MAC address to 00:00:00:00:00:11, and VLAN to 1000,
-the guest Virtio receives these packets and sends them out with destination MAC address 00:00:00:00:00:22.
-
-Inter-VM Mode
-^^^^^^^^^^^^^
-
-Run TestPMD in guest VM1:
-
-.. code-block:: console
-
- ./x86_64-native-linuxapp-gcc/app/testpmd -l 0-3 -n 4 --vdev="net_xenvirt0,mac=00:00:00:00:00:11" -- -i --eth-peer=0,00:00:00:00:00:22 -- -i
-
-Run TestPMD in guest VM2:
-
-.. code-block:: console
-
- ./x86_64-native-linuxapp-gcc/app/testpmd -l 0-3 -n 4 --vdev="net_xenvirt0,mac=00:00:00:00:00:22" -- -i --eth-peer=0,00:00:00:00:00:33
-
-Configure a packet stream in the packet generator, and set the destination MAC address to 00:00:00:00:00:11 and VLAN to 1000.
-The packets received in Virtio in guest VM1 will be forwarded to Virtio in guest VM2 and
-then sent out through hardware with destination MAC address 00:00:00:00:00:33.
-
-The packet flow is:
-
-packet generator->Virtio in guest VM1->switching backend->Virtio in guest VM2->switching backend->wire
diff --git a/lib/librte_eal/bsdapp/eal/include/exec-env/rte_dom0_common.h b/lib/librte_eal/bsdapp/eal/include/exec-env/rte_dom0_common.h
deleted file mode 100644
index 99a3343..0000000
--- a/lib/librte_eal/bsdapp/eal/include/exec-env/rte_dom0_common.h
+++ /dev/null
@@ -1,107 +0,0 @@
-/*-
- * This file is provided under a dual BSD/LGPLv2 license. When using or
- * redistributing this file, you may do so under either license.
- *
- * GNU LESSER GENERAL PUBLIC LICENSE
- *
- * Copyright(c) 2007-2014 Intel Corporation. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of version 2.1 of the GNU Lesser General Public License
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Contact Information:
- * Intel Corporation
- *
- *
- * BSD LICENSE
- *
- * Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- * * Neither the name of Intel Corporation nor the names of its
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-#ifndef _RTE_DOM0_COMMON_H_
-#define _RTE_DOM0_COMMON_H_
-
-#ifdef __KERNEL__
-#include <linux/if.h>
-#endif
-
-#define DOM0_NAME_MAX 256
-#define DOM0_MM_DEV "/dev/dom0_mm"
-
-#define DOM0_CONTIG_NUM_ORDER 9 /**< 2M order */
-#define DOM0_NUM_MEMSEG 512 /**< Maximum nb. of memory segment. */
-#define DOM0_MEMBLOCK_SIZE 0x200000 /**< Maximum nb. of memory block(2M). */
-#define DOM0_CONFIG_MEMSIZE 4096 /**< Maximum config memory size(4G). */
-#define DOM0_NUM_MEMBLOCK (DOM0_CONFIG_MEMSIZE / 2) /**< Maximum nb. of 2M memory block. */
-
-#define RTE_DOM0_IOCTL_PREPARE_MEMSEG _IOWR(0, 1 , struct memory_info)
-#define RTE_DOM0_IOCTL_ATTACH_TO_MEMSEG _IOWR(0, 2 , char *)
-#define RTE_DOM0_IOCTL_GET_NUM_MEMSEG _IOWR(0, 3, int)
-#define RTE_DOM0_IOCTL_GET_MEMSEG_INFO _IOWR(0, 4, void *)
-
-/**
- * A structure used to store memory information.
- */
-struct memory_info {
- char name[DOM0_NAME_MAX];
- uint64_t size;
-};
-
-/**
- * A structure used to store memory segment information.
- */
-struct memseg_info {
- uint32_t idx;
- uint64_t pfn;
- uint64_t size;
- uint64_t mfn[DOM0_NUM_MEMBLOCK];
-};
-
-/**
- * A structure used to store memory block information.
- */
-struct memblock_info {
- uint8_t exchange_flag;
- uint64_t vir_addr;
- uint64_t pfn;
- uint64_t mfn;
-};
-#endif /* _RTE_DOM0_COMMON_H_ */
diff --git a/lib/librte_eal/common/eal_common_options.c b/lib/librte_eal/common/eal_common_options.c
index 1da185e..354cded 100644
--- a/lib/librte_eal/common/eal_common_options.c
+++ b/lib/librte_eal/common/eal_common_options.c
@@ -97,7 +97,6 @@ eal_long_options[] = {
{OPT_VDEV, 1, NULL, OPT_VDEV_NUM },
{OPT_VFIO_INTR, 1, NULL, OPT_VFIO_INTR_NUM },
{OPT_VMWARE_TSC_MAP, 0, NULL, OPT_VMWARE_TSC_MAP_NUM },
- {OPT_XEN_DOM0, 0, NULL, OPT_XEN_DOM0_NUM },
{0, 0, NULL, 0 }
};
@@ -208,8 +207,6 @@ eal_reset_internal_config(struct internal_config *internal_cfg)
internal_cfg->syslog_facility = LOG_DAEMON;
- internal_cfg->xen_dom0_support = 0;
-
/* if set to NONE, interrupt mode is determined automatically */
internal_cfg->vfio_intr_mode = RTE_INTR_MODE_NONE;
diff --git a/lib/librte_eal/common/eal_internal_cfg.h b/lib/librte_eal/common/eal_internal_cfg.h
index 7b7e8c8..f7c885f 100644
--- a/lib/librte_eal/common/eal_internal_cfg.h
+++ b/lib/librte_eal/common/eal_internal_cfg.h
@@ -65,7 +65,6 @@ struct internal_config {
volatile unsigned force_nrank; /**< force number of ranks */
volatile unsigned no_hugetlbfs; /**< true to disable hugetlbfs */
unsigned hugepage_unlink; /**< true to unlink backing files */
- volatile unsigned xen_dom0_support; /**< support app running on Xen Dom0*/
volatile unsigned no_pci; /**< true to disable PCI */
volatile unsigned no_hpet; /**< true to disable HPET */
volatile unsigned vmware_tsc_map; /**< true to use VMware TSC mapping
diff --git a/lib/librte_eal/common/eal_options.h b/lib/librte_eal/common/eal_options.h
index 439a261..8770b85 100644
--- a/lib/librte_eal/common/eal_options.h
+++ b/lib/librte_eal/common/eal_options.h
@@ -81,8 +81,6 @@ enum {
OPT_VFIO_INTR_NUM,
#define OPT_VMWARE_TSC_MAP "vmware-tsc-map"
OPT_VMWARE_TSC_MAP_NUM,
-#define OPT_XEN_DOM0 "xen-dom0"
- OPT_XEN_DOM0_NUM,
OPT_LONG_MAX_NUM
};
diff --git a/lib/librte_eal/common/include/rte_memory.h b/lib/librte_eal/common/include/rte_memory.h
index 4aa5d1f..d8543c0 100644
--- a/lib/librte_eal/common/include/rte_memory.h
+++ b/lib/librte_eal/common/include/rte_memory.h
@@ -46,10 +46,6 @@
#include <rte_config.h>
-#ifdef RTE_EXEC_ENV_LINUXAPP
-#include <exec-env/rte_dom0_common.h>
-#endif
-
#ifdef __cplusplus
extern "C" {
#endif
@@ -116,10 +112,6 @@ struct rte_memseg {
int32_t socket_id; /**< NUMA socket ID. */
uint32_t nchannel; /**< Number of channels. */
uint32_t nrank; /**< Number of ranks. */
-#ifdef RTE_LIBRTE_XEN_DOM0
- /**< store segment MFNs */
- uint64_t mfn[DOM0_NUM_MEMBLOCK];
-#endif
} __rte_packed;
/**
@@ -195,69 +187,11 @@ unsigned rte_memory_get_nchannel(void);
*/
unsigned rte_memory_get_nrank(void);
-#ifdef RTE_LIBRTE_XEN_DOM0
-
-/**< Internal use only - should DOM0 memory mapping be used */
-int rte_xen_dom0_supported(void);
-
-/**< Internal use only - phys to virt mapping for xen */
-phys_addr_t rte_xen_mem_phy2mch(int32_t, const phys_addr_t);
-
-/**
- * Return the physical address of elt, which is an element of the pool mp.
- *
- * @param memseg_id
- * Identifier of the memory segment owning the physical address. If
- * set to -1, find it automatically.
- * @param phy_addr
- * physical address of elt.
- *
- * @return
- * The physical address or RTE_BAD_PHYS_ADDR on error.
- */
-static inline phys_addr_t
-rte_mem_phy2mch(int32_t memseg_id, const phys_addr_t phy_addr)
-{
- if (rte_xen_dom0_supported())
- return rte_xen_mem_phy2mch(memseg_id, phy_addr);
- else
- return phy_addr;
-}
-
-/**
- * Memory init for supporting application running on Xen domain0.
- *
- * @param void
- *
- * @return
- * 0: successfully
- * negative: error
- */
-int rte_xen_dom0_memory_init(void);
-
-/**
- * Attach to memory setments of primary process on Xen domain0.
- *
- * @param void
- *
- * @return
- * 0: successfully
- * negative: error
- */
-int rte_xen_dom0_memory_attach(void);
-#else
-static inline int rte_xen_dom0_supported(void)
-{
- return 0;
-}
-
static inline phys_addr_t
rte_mem_phy2mch(int32_t memseg_id __rte_unused, const phys_addr_t phy_addr)
{
return phy_addr;
}
-#endif
-
#ifdef __cplusplus
}
#endif
diff --git a/lib/librte_eal/linuxapp/Makefile b/lib/librte_eal/linuxapp/Makefile
index 4794696..2ebdf31 100644
--- a/lib/librte_eal/linuxapp/Makefile
+++ b/lib/librte_eal/linuxapp/Makefile
@@ -35,7 +35,5 @@ DIRS-$(CONFIG_RTE_EXEC_ENV_LINUXAPP) += eal
DIRS-$(CONFIG_RTE_EAL_IGB_UIO) += igb_uio
DIRS-$(CONFIG_RTE_KNI_KMOD) += kni
DEPDIRS-kni := eal
-DIRS-$(CONFIG_RTE_LIBRTE_XEN_DOM0) += xen_dom0
-DEPDIRS-xen_dom0 := eal
include $(RTE_SDK)/mk/rte.subdir.mk
diff --git a/lib/librte_eal/linuxapp/eal/Makefile b/lib/librte_eal/linuxapp/eal/Makefile
index 90bca4d..d9f9985 100644
--- a/lib/librte_eal/linuxapp/eal/Makefile
+++ b/lib/librte_eal/linuxapp/eal/Makefile
@@ -58,9 +58,6 @@ endif
SRCS-$(CONFIG_RTE_EXEC_ENV_LINUXAPP) := eal.c
SRCS-$(CONFIG_RTE_EXEC_ENV_LINUXAPP) += eal_hugepage_info.c
SRCS-$(CONFIG_RTE_EXEC_ENV_LINUXAPP) += eal_memory.c
-ifeq ($(CONFIG_RTE_LIBRTE_XEN_DOM0),y)
-SRCS-$(CONFIG_RTE_EXEC_ENV_LINUXAPP) += eal_xen_memory.c
-endif
SRCS-$(CONFIG_RTE_EXEC_ENV_LINUXAPP) += eal_thread.c
SRCS-$(CONFIG_RTE_EXEC_ENV_LINUXAPP) += eal_log.c
SRCS-$(CONFIG_RTE_EXEC_ENV_LINUXAPP) += eal_vfio.c
@@ -130,7 +127,7 @@ ifeq ($(CONFIG_RTE_TOOLCHAIN_GCC),y)
CFLAGS_eal_thread.o += -Wno-return-type
endif
-INC := rte_interrupts.h rte_kni_common.h rte_dom0_common.h
+INC := rte_interrupts.h rte_kni_common.h
SYMLINK-$(CONFIG_RTE_EXEC_ENV_LINUXAPP)-include/exec-env := \
$(addprefix include/exec-env/,$(INC))
diff --git a/lib/librte_eal/linuxapp/eal/eal.c b/lib/librte_eal/linuxapp/eal/eal.c
index 48f12f4..d995d03 100644
--- a/lib/librte_eal/linuxapp/eal/eal.c
+++ b/lib/librte_eal/linuxapp/eal/eal.c
@@ -354,7 +354,6 @@ eal_usage(const char *prgname)
" --"OPT_BASE_VIRTADDR" Base virtual address\n"
" --"OPT_CREATE_UIO_DEV" Create /dev/uioX (usually done by hotplug)\n"
" --"OPT_VFIO_INTR" Interrupt mode for VFIO (legacy|msi|msix)\n"
- " --"OPT_XEN_DOM0" Support running on Xen dom0 without hugetlbfs\n"
"\n");
/* Allow the application to print its usage message too if hook is set */
if ( rte_application_usage_hook ) {
@@ -555,19 +554,6 @@ eal_parse_args(int argc, char **argv)
eal_usage(prgname);
exit(EXIT_SUCCESS);
- /* long options */
- case OPT_XEN_DOM0_NUM:
-#ifdef RTE_LIBRTE_XEN_DOM0
- internal_config.xen_dom0_support = 1;
-#else
- RTE_LOG(ERR, EAL, "Can't support DPDK app "
- "running on Dom0, please configure"
- " RTE_LIBRTE_XEN_DOM0=y\n");
- ret = -1;
- goto out;
-#endif
- break;
-
case OPT_HUGE_DIR_NUM:
internal_config.hugepage_dir = optarg;
break;
@@ -641,15 +627,6 @@ eal_parse_args(int argc, char **argv)
goto out;
}
- /* --xen-dom0 doesn't make sense with --socket-mem */
- if (internal_config.xen_dom0_support && internal_config.force_sockets == 1) {
- RTE_LOG(ERR, EAL, "Options --"OPT_SOCKET_MEM" cannot be specified "
- "together with --"OPT_XEN_DOM0"\n");
- eal_usage(prgname);
- ret = -1;
- goto out;
- }
-
if (optind >= 0)
argv[optind-1] = prgname;
ret = optind-1;
@@ -794,7 +771,6 @@ rte_eal_init(int argc, char **argv)
if (internal_config.no_hugetlbfs == 0 &&
internal_config.process_type != RTE_PROC_SECONDARY &&
- internal_config.xen_dom0_support == 0 &&
eal_hugepage_info_init() < 0) {
rte_eal_init_alert("Cannot get hugepage information.");
rte_errno = EACCES;
diff --git a/lib/librte_eal/linuxapp/eal/eal_memory.c b/lib/librte_eal/linuxapp/eal/eal_memory.c
index 5279128..087fad4 100644
--- a/lib/librte_eal/linuxapp/eal/eal_memory.c
+++ b/lib/librte_eal/linuxapp/eal/eal_memory.c
@@ -75,13 +75,6 @@
#define PFN_MASK_SIZE 8
-#ifdef RTE_LIBRTE_XEN_DOM0
-int rte_xen_dom0_supported(void)
-{
- return internal_config.xen_dom0_support;
-}
-#endif
-
/**
* @file
* Huge page mapping under linux
@@ -106,10 +99,6 @@ test_phys_addrs_available(void)
uint64_t tmp;
phys_addr_t physaddr;
- /* For dom0, phys addresses can always be available */
- if (rte_xen_dom0_supported())
- return;
-
if (!rte_eal_has_hugepages()) {
RTE_LOG(ERR, EAL,
"Started without hugepages support, physical addresses not available\n");
@@ -139,29 +128,6 @@ rte_mem_virt2phy(const void *virtaddr)
int page_size;
off_t offset;
- /* when using dom0, /proc/self/pagemap always returns 0, check in
- * dpdk memory by browsing the memsegs */
- if (rte_xen_dom0_supported()) {
- struct rte_mem_config *mcfg;
- struct rte_memseg *memseg;
- unsigned i;
-
- mcfg = rte_eal_get_configuration()->mem_config;
- for (i = 0; i < RTE_MAX_MEMSEG; i++) {
- memseg = &mcfg->memseg[i];
- if (memseg->addr == NULL)
- break;
- if (virtaddr > memseg->addr &&
- virtaddr < RTE_PTR_ADD(memseg->addr,
- memseg->len)) {
- return memseg->phys_addr +
- RTE_PTR_DIFF(virtaddr, memseg->addr);
- }
- }
-
- return RTE_BAD_PHYS_ADDR;
- }
-
/* Cannot parse /proc/self/pagemap, no need to log errors everywhere */
if (!phys_addrs_available)
return RTE_BAD_PHYS_ADDR;
@@ -1067,17 +1033,6 @@ rte_eal_hugepage_init(void)
return 0;
}
-/* check if app runs on Xen Dom0 */
- if (internal_config.xen_dom0_support) {
-#ifdef RTE_LIBRTE_XEN_DOM0
- /* use dom0_mm kernel driver to init memory */
- if (rte_xen_dom0_memory_init() < 0)
- return -1;
- else
- return 0;
-#endif
- }
-
/* calculate total number of hugepages available. at this point we haven't
* yet started sorting them so they all are on socket 0 */
for (i = 0; i < (int) internal_config.num_hugepage_sizes; i++) {
@@ -1400,17 +1355,6 @@ rte_eal_hugepage_attach(void)
test_phys_addrs_available();
- if (internal_config.xen_dom0_support) {
-#ifdef RTE_LIBRTE_XEN_DOM0
- if (rte_xen_dom0_memory_attach() < 0) {
- RTE_LOG(ERR, EAL, "Failed to attach memory segments of primary "
- "process\n");
- return -1;
- }
- return 0;
-#endif
- }
-
fd_zero = open("/dev/zero", O_RDONLY);
if (fd_zero < 0) {
RTE_LOG(ERR, EAL, "Could not open /dev/zero\n");
diff --git a/lib/librte_eal/linuxapp/eal/eal_xen_memory.c b/lib/librte_eal/linuxapp/eal/eal_xen_memory.c
deleted file mode 100644
index 19db1cb..0000000
--- a/lib/librte_eal/linuxapp/eal/eal_xen_memory.c
+++ /dev/null
@@ -1,381 +0,0 @@
-/*-
- * BSD LICENSE
- *
- * Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- * * Neither the name of Intel Corporation nor the names of its
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include <errno.h>
-#include <stdarg.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <stdint.h>
-#include <inttypes.h>
-#include <string.h>
-#include <sys/mman.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <sys/queue.h>
-#include <sys/file.h>
-#include <unistd.h>
-#include <limits.h>
-#include <sys/ioctl.h>
-#include <sys/time.h>
-
-#include <rte_log.h>
-#include <rte_memory.h>
-#include <rte_memzone.h>
-#include <rte_launch.h>
-#include <rte_eal.h>
-#include <rte_eal_memconfig.h>
-#include <rte_per_lcore.h>
-#include <rte_lcore.h>
-#include <rte_common.h>
-#include <rte_string_fns.h>
-
-#include "eal_private.h"
-#include "eal_internal_cfg.h"
-#include "eal_filesystem.h"
-#include <exec-env/rte_dom0_common.h>
-
-#define PAGE_SIZE RTE_PGSIZE_4K
-#define DEFAUL_DOM0_NAME "dom0-mem"
-
-static int xen_fd = -1;
-static const char sys_dir_path[] = "/sys/kernel/mm/dom0-mm/memsize-mB";
-
-/*
- * Try to mmap *size bytes in /dev/zero. If it is successful, return the
- * pointer to the mmap'd area and keep *size unmodified. Else, retry
- * with a smaller zone: decrease *size by mem_size until it reaches
- * 0. In this case, return NULL. Note: this function returns an address
- * which is a multiple of mem_size size.
- */
-static void *
-xen_get_virtual_area(size_t *size, size_t mem_size)
-{
- void *addr;
- int fd;
- long aligned_addr;
-
- RTE_LOG(DEBUG, EAL, "Ask a virtual area of 0x%zu bytes\n", *size);
-
- fd = open("/dev/zero", O_RDONLY);
- if (fd < 0){
- RTE_LOG(ERR, EAL, "Cannot open /dev/zero\n");
- return NULL;
- }
- do {
- addr = mmap(NULL, (*size) + mem_size, PROT_READ,
- MAP_PRIVATE, fd, 0);
- if (addr == MAP_FAILED)
- *size -= mem_size;
- } while (addr == MAP_FAILED && *size > 0);
-
- if (addr == MAP_FAILED) {
- close(fd);
- RTE_LOG(ERR, EAL, "Cannot get a virtual area\n");
- return NULL;
- }
-
- munmap(addr, (*size) + mem_size);
- close(fd);
-
- /* align addr to a mem_size boundary */
- aligned_addr = (uintptr_t)addr;
- aligned_addr = RTE_ALIGN_CEIL(aligned_addr, mem_size);
- addr = (void *)(aligned_addr);
-
- RTE_LOG(DEBUG, EAL, "Virtual area found at %p (size = 0x%zx)\n",
- addr, *size);
-
- return addr;
-}
-
-/**
- * Get memory size configuration from /sys/devices/virtual/misc/dom0_mm
- * /memsize-mB/memsize file, and the size unit is mB.
- */
-static int
-get_xen_memory_size(void)
-{
- char path[PATH_MAX];
- unsigned long mem_size = 0;
- static const char *file_name;
-
- file_name = "memsize";
- snprintf(path, sizeof(path), "%s/%s",
- sys_dir_path, file_name);
-
- if (eal_parse_sysfs_value(path, &mem_size) < 0)
- return -1;
-
- if (mem_size == 0)
- rte_exit(EXIT_FAILURE,"XEN-DOM0:the %s/%s was not"
- " configured.\n",sys_dir_path, file_name);
- if (mem_size % 2)
- rte_exit(EXIT_FAILURE,"XEN-DOM0:the %s/%s must be"
- " even number.\n",sys_dir_path, file_name);
-
- if (mem_size > DOM0_CONFIG_MEMSIZE)
- rte_exit(EXIT_FAILURE,"XEN-DOM0:the %s/%s should not be larger"
- " than %d mB\n",sys_dir_path, file_name, DOM0_CONFIG_MEMSIZE);
-
- return mem_size;
-}
-
-/**
- * Based on physical address to caculate MFN in Xen Dom0.
- */
-phys_addr_t
-rte_xen_mem_phy2mch(int32_t memseg_id, const phys_addr_t phy_addr)
-{
- int mfn_id, i;
- uint64_t mfn, mfn_offset;
- struct rte_mem_config *mcfg = rte_eal_get_configuration()->mem_config;
- struct rte_memseg *memseg = mcfg->memseg;
-
- /* find the memory segment owning the physical address */
- if (memseg_id == -1) {
- for (i = 0; i < RTE_MAX_MEMSEG; i++) {
- if ((phy_addr >= memseg[i].phys_addr) &&
- (phy_addr < memseg[i].phys_addr +
- memseg[i].len)) {
- memseg_id = i;
- break;
- }
- }
- if (memseg_id == -1)
- return RTE_BAD_PHYS_ADDR;
- }
-
- mfn_id = (phy_addr - memseg[memseg_id].phys_addr) / RTE_PGSIZE_2M;
-
- /*the MFN is contiguous in 2M */
- mfn_offset = (phy_addr - memseg[memseg_id].phys_addr) %
- RTE_PGSIZE_2M / PAGE_SIZE;
- mfn = mfn_offset + memseg[memseg_id].mfn[mfn_id];
-
- /** return mechine address */
- return mfn * PAGE_SIZE + phy_addr % PAGE_SIZE;
-}
-
-int
-rte_xen_dom0_memory_init(void)
-{
- void *vir_addr, *vma_addr = NULL;
- int err, ret = 0;
- uint32_t i, requested, mem_size, memseg_idx, num_memseg = 0;
- size_t vma_len = 0;
- struct memory_info meminfo;
- struct memseg_info seginfo[RTE_MAX_MEMSEG];
- int flags, page_size = getpagesize();
- struct rte_mem_config *mcfg = rte_eal_get_configuration()->mem_config;
- struct rte_memseg *memseg = mcfg->memseg;
- uint64_t total_mem = internal_config.memory;
-
- memset(seginfo, 0, sizeof(seginfo));
- memset(&meminfo, 0, sizeof(struct memory_info));
-
- mem_size = get_xen_memory_size();
- requested = (unsigned) (total_mem / 0x100000);
- if (requested > mem_size)
- /* if we didn't satisfy total memory requirements */
- rte_exit(EXIT_FAILURE,"Not enough memory available! Requested: %uMB,"
- " available: %uMB\n", requested, mem_size);
- else if (total_mem != 0)
- mem_size = requested;
-
- /* Check FD and open once */
- if (xen_fd < 0) {
- xen_fd = open(DOM0_MM_DEV, O_RDWR);
- if (xen_fd < 0) {
- RTE_LOG(ERR, EAL, "Can not open %s\n",DOM0_MM_DEV);
- return -1;
- }
- }
-
- meminfo.size = mem_size;
-
- /* construct memory mangement name for Dom0 */
- snprintf(meminfo.name, DOM0_NAME_MAX, "%s-%s",
- internal_config.hugefile_prefix, DEFAUL_DOM0_NAME);
-
- /* Notify kernel driver to allocate memory */
- ret = ioctl(xen_fd, RTE_DOM0_IOCTL_PREPARE_MEMSEG, &meminfo);
- if (ret < 0) {
- RTE_LOG(ERR, EAL, "XEN DOM0:failed to get memory\n");
- err = -EIO;
- goto fail;
- }
-
- /* Get number of memory segment from driver */
- ret = ioctl(xen_fd, RTE_DOM0_IOCTL_GET_NUM_MEMSEG, &num_memseg);
- if (ret < 0) {
- RTE_LOG(ERR, EAL, "XEN DOM0:failed to get memseg count.\n");
- err = -EIO;
- goto fail;
- }
-
- if(num_memseg > RTE_MAX_MEMSEG){
- RTE_LOG(ERR, EAL, "XEN DOM0: the memseg count %d is greater"
- " than max memseg %d.\n",num_memseg, RTE_MAX_MEMSEG);
- err = -EIO;
- goto fail;
- }
-
- /* get all memory segements information */
- ret = ioctl(xen_fd, RTE_DOM0_IOCTL_GET_MEMSEG_INFO, seginfo);
- if (ret < 0) {
- RTE_LOG(ERR, EAL, "XEN DOM0:failed to get memseg info.\n");
- err = -EIO;
- goto fail;
- }
-
- /* map all memory segments to contiguous user space */
- for (memseg_idx = 0; memseg_idx < num_memseg; memseg_idx++)
- {
- vma_len = seginfo[memseg_idx].size;
-
- /**
- * get the biggest virtual memory area up to vma_len. If it fails,
- * vma_addr is NULL, so let the kernel provide the address.
- */
- vma_addr = xen_get_virtual_area(&vma_len, RTE_PGSIZE_2M);
- if (vma_addr == NULL) {
- flags = MAP_SHARED;
- vma_len = RTE_PGSIZE_2M;
- } else
- flags = MAP_SHARED | MAP_FIXED;
-
- seginfo[memseg_idx].size = vma_len;
- vir_addr = mmap(vma_addr, seginfo[memseg_idx].size,
- PROT_READ|PROT_WRITE, flags, xen_fd,
- memseg_idx * page_size);
- if (vir_addr == MAP_FAILED) {
- RTE_LOG(ERR, EAL, "XEN DOM0:Could not mmap %s\n",
- DOM0_MM_DEV);
- err = -EIO;
- goto fail;
- }
-
- memseg[memseg_idx].addr = vir_addr;
- memseg[memseg_idx].phys_addr = page_size *
- seginfo[memseg_idx].pfn ;
- memseg[memseg_idx].len = seginfo[memseg_idx].size;
- for ( i = 0; i < seginfo[memseg_idx].size / RTE_PGSIZE_2M; i++)
- memseg[memseg_idx].mfn[i] = seginfo[memseg_idx].mfn[i];
-
- /* MFNs are continuous in 2M, so assume that page size is 2M */
- memseg[memseg_idx].hugepage_sz = RTE_PGSIZE_2M;
-
- memseg[memseg_idx].nchannel = mcfg->nchannel;
- memseg[memseg_idx].nrank = mcfg->nrank;
-
- /* NUMA is not suppoted in Xen Dom0, so only set socket 0*/
- memseg[memseg_idx].socket_id = 0;
- }
-
- return 0;
-fail:
- if (xen_fd > 0) {
- close(xen_fd);
- xen_fd = -1;
- }
- return err;
-}
-
-/*
- * This creates the memory mappings in the secondary process to match that of
- * the server process. It goes through each memory segment in the DPDK runtime
- * configuration, mapping them in order to form a contiguous block in the
- * virtual memory space
- */
-int
-rte_xen_dom0_memory_attach(void)
-{
- const struct rte_mem_config *mcfg;
- unsigned s = 0; /* s used to track the segment number */
- int xen_fd = -1;
- int ret = -1;
- void *vir_addr;
- char name[DOM0_NAME_MAX] = {0};
- int page_size = getpagesize();
-
- mcfg = rte_eal_get_configuration()->mem_config;
-
- /* Check FD and open once */
- if (xen_fd < 0) {
- xen_fd = open(DOM0_MM_DEV, O_RDWR);
- if (xen_fd < 0) {
- RTE_LOG(ERR, EAL, "Can not open %s\n",DOM0_MM_DEV);
- goto error;
- }
- }
-
- /* construct memory mangement name for Dom0 */
- snprintf(name, DOM0_NAME_MAX, "%s-%s",
- internal_config.hugefile_prefix, DEFAUL_DOM0_NAME);
- /* attach to memory segments of primary process */
- ret = ioctl(xen_fd, RTE_DOM0_IOCTL_ATTACH_TO_MEMSEG, name);
- if (ret) {
- RTE_LOG(ERR, EAL,"attach memory segments fail.\n");
- goto error;
- }
-
- /* map all segments into memory to make sure we get the addrs */
- for (s = 0; s < RTE_MAX_MEMSEG; ++s) {
-
- /*
- * the first memory segment with len==0 is the one that
- * follows the last valid segment.
- */
- if (mcfg->memseg[s].len == 0)
- break;
-
- vir_addr = mmap(mcfg->memseg[s].addr, mcfg->memseg[s].len,
- PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED, xen_fd,
- s * page_size);
- if (vir_addr == MAP_FAILED) {
- RTE_LOG(ERR, EAL, "Could not mmap %llu bytes "
- "in %s to requested address [%p]\n",
- (unsigned long long)mcfg->memseg[s].len, DOM0_MM_DEV,
- mcfg->memseg[s].addr);
- goto error;
- }
- }
- return 0;
-
-error:
- if (xen_fd >= 0) {
- close(xen_fd);
- xen_fd = -1;
- }
- return -1;
-}
diff --git a/lib/librte_eal/linuxapp/eal/include/exec-env/rte_dom0_common.h b/lib/librte_eal/linuxapp/eal/include/exec-env/rte_dom0_common.h
deleted file mode 100644
index d970778..0000000
--- a/lib/librte_eal/linuxapp/eal/include/exec-env/rte_dom0_common.h
+++ /dev/null
@@ -1,108 +0,0 @@
-/*-
- * This file is provided under a dual BSD/LGPLv2 license. When using or
- * redistributing this file, you may do so under either license.
- *
- * GNU LESSER GENERAL PUBLIC LICENSE
- *
- * Copyright(c) 2007-2014 Intel Corporation. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of version 2.1 of the GNU Lesser General Public License
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Contact Information:
- * Intel Corporation
- *
- *
- * BSD LICENSE
- *
- * Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- * * Neither the name of Intel Corporation nor the names of its
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-#ifndef _RTE_DOM0_COMMON_H_
-#define _RTE_DOM0_COMMON_H_
-
-#ifdef __KERNEL__
-#include <linux/if.h>
-#endif
-
-#define DOM0_NAME_MAX 256
-#define DOM0_MM_DEV "/dev/dom0_mm"
-
-#define DOM0_CONTIG_NUM_ORDER 9 /**< order of 2M */
-#define DOM0_NUM_MEMSEG 512 /**< Maximum nb. of memory segment. */
-#define DOM0_MEMBLOCK_SIZE 0x200000 /**< size of memory block(2M). */
-#define DOM0_CONFIG_MEMSIZE 4096 /**< Maximum config memory size(4G). */
-#define DOM0_NUM_MEMBLOCK (DOM0_CONFIG_MEMSIZE / 2) /**< Maximum nb. of 2M memory block. */
-
-#define RTE_DOM0_IOCTL_PREPARE_MEMSEG _IOWR(0, 1 , struct memory_info)
-#define RTE_DOM0_IOCTL_ATTACH_TO_MEMSEG _IOWR(0, 2 , char *)
-#define RTE_DOM0_IOCTL_GET_NUM_MEMSEG _IOWR(0, 3, int)
-#define RTE_DOM0_IOCTL_GET_MEMSEG_INFO _IOWR(0, 4, void *)
-
-/**
- * A structure used to store memory information.
- */
-struct memory_info {
- char name[DOM0_NAME_MAX];
- uint64_t size;
-};
-
-/**
- * A structure used to store memory segment information.
- */
-struct memseg_info {
- uint32_t idx;
- uint64_t pfn;
- uint64_t size;
- uint64_t mfn[DOM0_NUM_MEMBLOCK];
-};
-
-/**
- * A structure used to store memory block information.
- */
-struct memblock_info {
- uint8_t exchange_flag;
- uint8_t used;
- uint64_t vir_addr;
- uint64_t pfn;
- uint64_t mfn;
-};
-#endif /* _RTE_DOM0_COMMON_H_ */
diff --git a/lib/librte_eal/linuxapp/igb_uio/igb_uio.c b/lib/librte_eal/linuxapp/igb_uio/igb_uio.c
index 07a19a3..3d5c2f3 100644
--- a/lib/librte_eal/linuxapp/igb_uio/igb_uio.c
+++ b/lib/librte_eal/linuxapp/igb_uio/igb_uio.c
@@ -33,9 +33,6 @@
#include <linux/version.h>
#include <linux/slab.h>
-#ifdef CONFIG_XEN_DOM0
-#include <xen/xen.h>
-#endif
#include <rte_pci_dev_features.h>
#include "compat.h"
@@ -201,52 +198,6 @@ igbuio_pci_release(struct uio_info *info, struct inode *inode)
return 0;
}
-#ifdef CONFIG_XEN_DOM0
-static int
-igbuio_dom0_mmap_phys(struct uio_info *info, struct vm_area_struct *vma)
-{
- int idx;
-
- idx = (int)vma->vm_pgoff;
- vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
-#ifdef HAVE_PTE_MASK_PAGE_IOMAP
- vma->vm_page_prot.pgprot |= _PAGE_IOMAP;
-#endif
-
- return remap_pfn_range(vma,
- vma->vm_start,
- info->mem[idx].addr >> PAGE_SHIFT,
- vma->vm_end - vma->vm_start,
- vma->vm_page_prot);
-}
-
-/**
- * This is uio device mmap method which will use igbuio mmap for Xen
- * Dom0 environment.
- */
-static int
-igbuio_dom0_pci_mmap(struct uio_info *info, struct vm_area_struct *vma)
-{
- int idx;
-
- if (vma->vm_pgoff >= MAX_UIO_MAPS)
- return -EINVAL;
-
- if (info->mem[vma->vm_pgoff].size == 0)
- return -EINVAL;
-
- idx = (int)vma->vm_pgoff;
- switch (info->mem[idx].memtype) {
- case UIO_MEM_PHYS:
- return igbuio_dom0_mmap_phys(info, vma);
- case UIO_MEM_LOGICAL:
- case UIO_MEM_VIRTUAL:
- default:
- return -EINVAL;
- }
-}
-#endif
-
/* Remap pci resources described by bar #pci_bar in uio resource n. */
static int
igbuio_pci_setup_iomem(struct pci_dev *dev, struct uio_info *info,
@@ -405,11 +356,6 @@ igbuio_pci_probe(struct pci_dev *dev, const struct pci_device_id *id)
udev->info.irqcontrol = igbuio_pci_irqcontrol;
udev->info.open = igbuio_pci_open;
udev->info.release = igbuio_pci_release;
-#ifdef CONFIG_XEN_DOM0
- /* check if the driver run on Xen Dom0 */
- if (xen_initial_domain())
- udev->info.mmap = igbuio_dom0_pci_mmap;
-#endif
udev->info.priv = udev;
udev->pdev = dev;
diff --git a/lib/librte_eal/linuxapp/xen_dom0/Makefile b/lib/librte_eal/linuxapp/xen_dom0/Makefile
deleted file mode 100644
index be51a82..0000000
--- a/lib/librte_eal/linuxapp/xen_dom0/Makefile
+++ /dev/null
@@ -1,53 +0,0 @@
-# BSD LICENSE
-#
-# Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
-# All rights reserved.
-#
-# Redistribution and use in source and binary forms, with or without
-# modification, are permitted provided that the following conditions
-# are met:
-#
-# * Redistributions of source code must retain the above copyright
-# notice, this list of conditions and the following disclaimer.
-# * Redistributions in binary form must reproduce the above copyright
-# notice, this list of conditions and the following disclaimer in
-# the documentation and/or other materials provided with the
-# distribution.
-# * Neither the name of Intel Corporation nor the names of its
-# contributors may be used to endorse or promote products derived
-# from this software without specific prior written permission.
-#
-# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-include $(RTE_SDK)/mk/rte.vars.mk
-
-#
-# module name and path
-#
-MODULE = rte_dom0_mm
-
-#
-# CFLAGS
-#
-MODULE_CFLAGS += -I$(SRCDIR) --param max-inline-insns-single=50
-MODULE_CFLAGS += -I$(RTE_OUTPUT)/include
-MODULE_CFLAGS += -include $(RTE_OUTPUT)/include/rte_config.h
-MODULE_CFLAGS += -Wall -Werror
-
-#
-# all source are stored in SRCS-y
-#
-
-SRCS-y += dom0_mm_misc.c
-
-include $(RTE_SDK)/mk/rte.module.mk
diff --git a/lib/librte_eal/linuxapp/xen_dom0/compat.h b/lib/librte_eal/linuxapp/xen_dom0/compat.h
deleted file mode 100644
index e6eb97f..0000000
--- a/lib/librte_eal/linuxapp/xen_dom0/compat.h
+++ /dev/null
@@ -1,15 +0,0 @@
-/*
- * Minimal wrappers to allow compiling xen_dom0 on older kernels.
- */
-
-#ifndef RHEL_RELEASE_VERSION
-#define RHEL_RELEASE_VERSION(a, b) (((a) << 8) + (b))
-#endif
-
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 39) && \
- (!(defined(RHEL_RELEASE_CODE) && \
- RHEL_RELEASE_CODE >= RHEL_RELEASE_VERSION(6, 4)))
-
-#define kstrtoul strict_strtoul
-
-#endif /* < 2.6.39 */
diff --git a/lib/librte_eal/linuxapp/xen_dom0/dom0_mm_dev.h b/lib/librte_eal/linuxapp/xen_dom0/dom0_mm_dev.h
deleted file mode 100644
index 9d5ffb2..0000000
--- a/lib/librte_eal/linuxapp/xen_dom0/dom0_mm_dev.h
+++ /dev/null
@@ -1,107 +0,0 @@
-/*-
- * This file is provided under a dual BSD/GPLv2 license. When using or
- * redistributing this file, you may do so under either license.
- *
- * GPL LICENSE SUMMARY
- *
- * Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of version 2 of the GNU General Public License as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- * The full GNU General Public License is included in this distribution
- * in the file called LICENSE.GPL.
- *
- * Contact Information:
- * Intel Corporation
- *
- * BSD LICENSE
- *
- * Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- * * Neither the name of Intel Corporation nor the names of its
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-#ifndef _DOM0_MM_DEV_H_
-#define _DOM0_MM_DEV_H_
-
-#include <linux/wait.h>
-#include <linux/mutex.h>
-#include <linux/sched.h>
-#include <linux/spinlock.h>
-#include <exec-env/rte_dom0_common.h>
-
-#define NUM_MEM_CTX 256 /**< Maximum number of memory context*/
-#define MAX_EXCHANGE_FAIL_TIME 5 /**< Maximum times of allowing exchange fail .*/
-#define MAX_MEMBLOCK_SIZE (2 * DOM0_MEMBLOCK_SIZE)
-#define MAX_NUM_ORDER (DOM0_CONTIG_NUM_ORDER + 1)
-#define SIZE_PER_BLOCK 2 /**< Size of memory block (2MB).*/
-
-/**
- * A structure describing the private information for a dom0 device.
- */
-struct dom0_mm_dev {
- struct miscdevice miscdev;
- uint8_t fail_times;
- uint32_t used_memsize;
- uint32_t num_mem_ctx;
- uint32_t config_memsize;
- uint32_t num_bigblock;
- struct dom0_mm_data *mm_data[NUM_MEM_CTX];
- struct mutex data_lock;
-};
-
-struct dom0_mm_data{
- uint32_t refcnt;
- uint32_t num_memseg; /**< Number of memory segment. */
- uint32_t mem_size; /**< Size of requesting memory. */
-
- char name[DOM0_NAME_MAX];
-
- /** Store global memory block IDs used by an instance */
- uint32_t block_num[DOM0_NUM_MEMBLOCK];
-
- /** Store memory block information.*/
- struct memblock_info block_info[DOM0_NUM_MEMBLOCK];
-
- /** Store memory segment information.*/
- struct memseg_info seg_info[DOM0_NUM_MEMSEG];
-};
-
-#define XEN_ERR(args...) printk(KERN_DEBUG "XEN_DOM0: Error: " args)
-#define XEN_PRINT(args...) printk(KERN_DEBUG "XEN_DOM0: " args)
-#endif
diff --git a/lib/librte_eal/linuxapp/xen_dom0/dom0_mm_misc.c b/lib/librte_eal/linuxapp/xen_dom0/dom0_mm_misc.c
deleted file mode 100644
index 79630ba..0000000
--- a/lib/librte_eal/linuxapp/xen_dom0/dom0_mm_misc.c
+++ /dev/null
@@ -1,780 +0,0 @@
-/*-
- * This file is provided under a dual BSD/GPLv2 license. When using or
- * redistributing this file, you may do so under either license.
- *
- * GPL LICENSE SUMMARY
- *
- * Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of version 2 of the GNU General Public License as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- * The full GNU General Public License is included in this distribution
- * in the file called LICENSE.GPL.
- *
- * Contact Information:
- * Intel Corporation
- *
- * BSD LICENSE
- *
- * Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- * * Neither the name of Intel Corporation nor the names of its
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-#include <linux/module.h>
-#include <linux/miscdevice.h>
-#include <linux/fs.h>
-#include <linux/device.h>
-#include <linux/errno.h>
-#include <linux/vmalloc.h>
-#include <linux/mm.h>
-#include <linux/version.h>
-
-#include <xen/xen.h>
-#include <xen/page.h>
-#include <xen/xen-ops.h>
-#include <xen/interface/memory.h>
-
-#include <exec-env/rte_dom0_common.h>
-
-#include "compat.h"
-#include "dom0_mm_dev.h"
-
-MODULE_LICENSE("Dual BSD/GPL");
-MODULE_AUTHOR("Intel Corporation");
-MODULE_DESCRIPTION("Kernel Module for supporting DPDK running on Xen Dom0");
-
-static struct dom0_mm_dev dom0_dev;
-static struct kobject *dom0_kobj = NULL;
-
-static struct memblock_info *rsv_mm_info;
-
-/* Default configuration for reserved memory size(2048 MB). */
-static uint32_t rsv_memsize = 2048;
-
-static int dom0_open(struct inode *inode, struct file *file);
-static int dom0_release(struct inode *inode, struct file *file);
-static int dom0_ioctl(struct file *file, unsigned int ioctl_num,
- unsigned long ioctl_param);
-static int dom0_mmap(struct file *file, struct vm_area_struct *vma);
-static int dom0_memory_free(uint32_t size);
-static int dom0_memory_release(struct dom0_mm_data *mm_data);
-
-static const struct file_operations data_fops = {
- .owner = THIS_MODULE,
- .open = dom0_open,
- .release = dom0_release,
- .mmap = dom0_mmap,
- .unlocked_ioctl = (void *)dom0_ioctl,
-};
-
-static ssize_t
-show_memsize_rsvd(struct device *dev, struct device_attribute *attr, char *buf)
-{
- return snprintf(buf, 10, "%u\n", dom0_dev.used_memsize);
-}
-
-static ssize_t
-show_memsize(struct device *dev, struct device_attribute *attr, char *buf)
-{
- return snprintf(buf, 10, "%u\n", dom0_dev.config_memsize);
-}
-
-static ssize_t
-store_memsize(struct device *dev, struct device_attribute *attr,
- const char *buf, size_t count)
-{
- int err = 0;
- unsigned long mem_size;
-
- if (0 != kstrtoul(buf, 0, &mem_size))
- return -EINVAL;
-
- mutex_lock(&dom0_dev.data_lock);
- if (0 == mem_size) {
- err = -EINVAL;
- goto fail;
- } else if (mem_size > (rsv_memsize - dom0_dev.used_memsize)) {
- XEN_ERR("configure memory size fail\n");
- err = -EINVAL;
- goto fail;
- } else
- dom0_dev.config_memsize = mem_size;
-
-fail:
- mutex_unlock(&dom0_dev.data_lock);
- return err ? err : count;
-}
-
-static DEVICE_ATTR(memsize, S_IRUGO | S_IWUSR, show_memsize, store_memsize);
-static DEVICE_ATTR(memsize_rsvd, S_IRUGO, show_memsize_rsvd, NULL);
-
-static struct attribute *dev_attrs[] = {
- &dev_attr_memsize.attr,
- &dev_attr_memsize_rsvd.attr,
- NULL,
-};
-
-/* the memory size unit is MB */
-static const struct attribute_group dev_attr_grp = {
- .name = "memsize-mB",
- .attrs = dev_attrs,
-};
-
-
-static void
-sort_viraddr(struct memblock_info *mb, int cnt)
-{
- int i,j;
- uint64_t tmp_pfn;
- uint64_t tmp_viraddr;
-
- /*sort virtual address and pfn */
- for(i = 0; i < cnt; i ++) {
- for(j = cnt - 1; j > i; j--) {
- if(mb[j].pfn < mb[j - 1].pfn) {
- tmp_pfn = mb[j - 1].pfn;
- mb[j - 1].pfn = mb[j].pfn;
- mb[j].pfn = tmp_pfn;
-
- tmp_viraddr = mb[j - 1].vir_addr;
- mb[j - 1].vir_addr = mb[j].vir_addr;
- mb[j].vir_addr = tmp_viraddr;
- }
- }
- }
-}
-
-static int
-dom0_find_memdata(const char * mem_name)
-{
- unsigned i;
- int idx = -1;
- for(i = 0; i< NUM_MEM_CTX; i++) {
- if(dom0_dev.mm_data[i] == NULL)
- continue;
- if (!strncmp(dom0_dev.mm_data[i]->name, mem_name,
- sizeof(char) * DOM0_NAME_MAX)) {
- idx = i;
- break;
- }
- }
-
- return idx;
-}
-
-static int
-dom0_find_mempos(void)
-{
- unsigned i;
- int idx = -1;
-
- for(i = 0; i< NUM_MEM_CTX; i++) {
- if(dom0_dev.mm_data[i] == NULL){
- idx = i;
- break;
- }
- }
-
- return idx;
-}
-
-static int
-dom0_memory_release(struct dom0_mm_data *mm_data)
-{
- int idx;
- uint32_t num_block, block_id;
-
- /* each memory block is 2M */
- num_block = mm_data->mem_size / SIZE_PER_BLOCK;
- if (num_block == 0)
- return -EINVAL;
-
- /* reset global memory data */
- idx = dom0_find_memdata(mm_data->name);
- if (idx >= 0) {
- dom0_dev.used_memsize -= mm_data->mem_size;
- dom0_dev.mm_data[idx] = NULL;
- dom0_dev.num_mem_ctx--;
- }
-
- /* reset these memory blocks status as free */
- for (idx = 0; idx < num_block; idx++) {
- block_id = mm_data->block_num[idx];
- rsv_mm_info[block_id].used = 0;
- }
-
- memset(mm_data, 0, sizeof(struct dom0_mm_data));
- vfree(mm_data);
- return 0;
-}
-
-static int
-dom0_memory_free(uint32_t rsv_size)
-{
- uint64_t vstart, vaddr;
- uint32_t i, num_block, size;
-
- if (!xen_pv_domain())
- return -1;
-
- /* each memory block is 2M */
- num_block = rsv_size / SIZE_PER_BLOCK;
- if (num_block == 0)
- return -EINVAL;
-
- /* free all memory blocks of size of 4M and destroy contiguous region */
- for (i = 0; i < dom0_dev.num_bigblock * 2; i += 2) {
- vstart = rsv_mm_info[i].vir_addr;
- if (vstart) {
- #if LINUX_VERSION_CODE < KERNEL_VERSION(3, 13, 0)
- if (rsv_mm_info[i].exchange_flag)
- xen_destroy_contiguous_region(vstart,
- DOM0_CONTIG_NUM_ORDER);
- if (rsv_mm_info[i + 1].exchange_flag)
- xen_destroy_contiguous_region(vstart +
- DOM0_MEMBLOCK_SIZE,
- DOM0_CONTIG_NUM_ORDER);
- #else
- if (rsv_mm_info[i].exchange_flag)
- xen_destroy_contiguous_region(rsv_mm_info[i].pfn
- * PAGE_SIZE,
- DOM0_CONTIG_NUM_ORDER);
- if (rsv_mm_info[i + 1].exchange_flag)
- xen_destroy_contiguous_region(rsv_mm_info[i].pfn
- * PAGE_SIZE + DOM0_MEMBLOCK_SIZE,
- DOM0_CONTIG_NUM_ORDER);
- #endif
-
- size = DOM0_MEMBLOCK_SIZE * 2;
- vaddr = vstart;
- while (size > 0) {
- ClearPageReserved(virt_to_page(vaddr));
- vaddr += PAGE_SIZE;
- size -= PAGE_SIZE;
- }
- free_pages(vstart, MAX_NUM_ORDER);
- }
- }
-
- /* free all memory blocks size of 2M and destroy contiguous region */
- for (; i < num_block; i++) {
- vstart = rsv_mm_info[i].vir_addr;
- if (vstart) {
- if (rsv_mm_info[i].exchange_flag)
- xen_destroy_contiguous_region(vstart,
- DOM0_CONTIG_NUM_ORDER);
-
- size = DOM0_MEMBLOCK_SIZE;
- vaddr = vstart;
- while (size > 0) {
- ClearPageReserved(virt_to_page(vaddr));
- vaddr += PAGE_SIZE;
- size -= PAGE_SIZE;
- }
- free_pages(vstart, DOM0_CONTIG_NUM_ORDER);
- }
- }
-
- memset(rsv_mm_info, 0, sizeof(struct memblock_info) * num_block);
- vfree(rsv_mm_info);
- rsv_mm_info = NULL;
-
- return 0;
-}
-
-static void
-find_free_memory(uint32_t count, struct dom0_mm_data *mm_data)
-{
- uint32_t i = 0;
- uint32_t j = 0;
-
- while ((i < count) && (j < rsv_memsize / SIZE_PER_BLOCK)) {
- if (rsv_mm_info[j].used == 0) {
- mm_data->block_info[i].pfn = rsv_mm_info[j].pfn;
- mm_data->block_info[i].vir_addr =
- rsv_mm_info[j].vir_addr;
- mm_data->block_info[i].mfn = rsv_mm_info[j].mfn;
- mm_data->block_info[i].exchange_flag =
- rsv_mm_info[j].exchange_flag;
- mm_data->block_num[i] = j;
- rsv_mm_info[j].used = 1;
- i++;
- }
- j++;
- }
-}
-
-/**
- * Find all memory segments in which physical addresses are contiguous.
- */
-static void
-find_memseg(int count, struct dom0_mm_data * mm_data)
-{
- int i = 0;
- int j, k, idx = 0;
- uint64_t zone_len, pfn, num_block;
-
- while(i < count) {
- if (mm_data->block_info[i].exchange_flag == 0) {
- i++;
- continue;
- }
- k = 0;
- pfn = mm_data->block_info[i].pfn;
- mm_data->seg_info[idx].pfn = pfn;
- mm_data->seg_info[idx].mfn[k] = mm_data->block_info[i].mfn;
-
- for (j = i + 1; j < count; j++) {
-
- /* ignore exchange fail memory block */
- if (mm_data->block_info[j].exchange_flag == 0)
- break;
-
- if (mm_data->block_info[j].pfn !=
- (mm_data->block_info[j - 1].pfn +
- DOM0_MEMBLOCK_SIZE / PAGE_SIZE))
- break;
- ++k;
- mm_data->seg_info[idx].mfn[k] = mm_data->block_info[j].mfn;
- }
-
- num_block = j - i;
- zone_len = num_block * DOM0_MEMBLOCK_SIZE;
- mm_data->seg_info[idx].size = zone_len;
-
- XEN_PRINT("memseg id=%d, size=0x%llx\n", idx, zone_len);
- i = i+ num_block;
- idx++;
- if (idx == DOM0_NUM_MEMSEG)
- break;
- }
- mm_data->num_memseg = idx;
-}
-
-static int
-dom0_memory_reserve(uint32_t rsv_size)
-{
- uint64_t pfn, vstart, vaddr;
- uint32_t i, num_block, size, allocated_size = 0;
-
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 13, 0)
- dma_addr_t dma_handle;
-#endif
-
- /* 2M as memory block */
- num_block = rsv_size / SIZE_PER_BLOCK;
-
- rsv_mm_info = vmalloc(sizeof(struct memblock_info) * num_block);
- if (!rsv_mm_info) {
- XEN_ERR("Unable to allocate device memory information\n");
- return -ENOMEM;
- }
- memset(rsv_mm_info, 0, sizeof(struct memblock_info) * num_block);
-
- /* try alloc size of 4M once */
- for (i = 0; i < num_block; i += 2) {
- vstart = (unsigned long)
- __get_free_pages(GFP_ATOMIC, MAX_NUM_ORDER);
- if (vstart == 0)
- break;
-
- dom0_dev.num_bigblock = i / 2 + 1;
- allocated_size = SIZE_PER_BLOCK * (i + 2);
-
- /* size of 4M */
- size = DOM0_MEMBLOCK_SIZE * 2;
-
- vaddr = vstart;
- while (size > 0) {
- SetPageReserved(virt_to_page(vaddr));
- vaddr += PAGE_SIZE;
- size -= PAGE_SIZE;
- }
-
- pfn = virt_to_pfn(vstart);
- rsv_mm_info[i].pfn = pfn;
- rsv_mm_info[i].vir_addr = vstart;
- rsv_mm_info[i + 1].pfn =
- pfn + DOM0_MEMBLOCK_SIZE / PAGE_SIZE;
- rsv_mm_info[i + 1].vir_addr =
- vstart + DOM0_MEMBLOCK_SIZE;
- }
-
- /*if it failed to alloc 4M, and continue to alloc 2M once */
- for (; i < num_block; i++) {
- vstart = (unsigned long)
- __get_free_pages(GFP_ATOMIC, DOM0_CONTIG_NUM_ORDER);
- if (vstart == 0) {
- XEN_ERR("allocate memory fail.\n");
- dom0_memory_free(allocated_size);
- return -ENOMEM;
- }
-
- allocated_size += SIZE_PER_BLOCK;
-
- size = DOM0_MEMBLOCK_SIZE;
- vaddr = vstart;
- while (size > 0) {
- SetPageReserved(virt_to_page(vaddr));
- vaddr += PAGE_SIZE;
- size -= PAGE_SIZE;
- }
- pfn = virt_to_pfn(vstart);
- rsv_mm_info[i].pfn = pfn;
- rsv_mm_info[i].vir_addr = vstart;
- }
-
- sort_viraddr(rsv_mm_info, num_block);
-
- for (i = 0; i< num_block; i++) {
-
- /*
- * This API is used to exchage MFN for getting a block of
- * contiguous physical addresses, its maximum size is 2M.
- */
- #if LINUX_VERSION_CODE < KERNEL_VERSION(3, 13, 0)
- if (xen_create_contiguous_region(rsv_mm_info[i].vir_addr,
- DOM0_CONTIG_NUM_ORDER, 0) == 0) {
- #else
- if (xen_create_contiguous_region(rsv_mm_info[i].pfn * PAGE_SIZE,
- DOM0_CONTIG_NUM_ORDER, 0, &dma_handle) == 0) {
- #endif
- rsv_mm_info[i].exchange_flag = 1;
- rsv_mm_info[i].mfn =
- pfn_to_mfn(rsv_mm_info[i].pfn);
- rsv_mm_info[i].used = 0;
- } else {
- XEN_ERR("exchange memeory fail\n");
- rsv_mm_info[i].exchange_flag = 0;
- dom0_dev.fail_times++;
- if (dom0_dev.fail_times > MAX_EXCHANGE_FAIL_TIME) {
- dom0_memory_free(rsv_size);
- return -EFAULT;
- }
- }
- }
-
- return 0;
-}
-
-static int
-dom0_prepare_memsegs(struct memory_info *meminfo, struct dom0_mm_data *mm_data)
-{
- uint32_t num_block;
- int idx;
-
- /* check if there is a free name buffer */
- memcpy(mm_data->name, meminfo->name, DOM0_NAME_MAX);
- mm_data->name[DOM0_NAME_MAX - 1] = '\0';
- idx = dom0_find_mempos();
- if (idx < 0)
- return -1;
-
- num_block = meminfo->size / SIZE_PER_BLOCK;
- /* find free memory and new memory segments*/
- find_free_memory(num_block, mm_data);
- find_memseg(num_block, mm_data);
-
- /* update private memory data */
- mm_data->refcnt++;
- mm_data->mem_size = meminfo->size;
-
- /* update global memory data */
- dom0_dev.mm_data[idx] = mm_data;
- dom0_dev.num_mem_ctx++;
- dom0_dev.used_memsize += mm_data->mem_size;
-
- return 0;
-}
-
-static int
-dom0_check_memory (struct memory_info *meminfo)
-{
- int idx;
- uint64_t mem_size;
-
- /* round memory size to the next even number. */
- if (meminfo->size % 2)
- ++meminfo->size;
-
- mem_size = meminfo->size;
- if (dom0_dev.num_mem_ctx > NUM_MEM_CTX) {
- XEN_ERR("Memory data space is full in Dom0 driver\n");
- return -1;
- }
- idx = dom0_find_memdata(meminfo->name);
- if (idx >= 0) {
- XEN_ERR("Memory data name %s has already exsited in Dom0 driver.\n",
- meminfo->name);
- return -1;
- }
- if ((dom0_dev.used_memsize + mem_size) > rsv_memsize) {
- XEN_ERR("Total size can't be larger than reserved size.\n");
- return -1;
- }
-
- return 0;
-}
-
-static int __init
-dom0_init(void)
-{
- if (!xen_domain())
- return -ENODEV;
-
- if (rsv_memsize > DOM0_CONFIG_MEMSIZE) {
- XEN_ERR("The reserved memory size cannot be greater than %d\n",
- DOM0_CONFIG_MEMSIZE);
- return -EINVAL;
- }
-
- /* Setup the misc device */
- dom0_dev.miscdev.minor = MISC_DYNAMIC_MINOR;
- dom0_dev.miscdev.name = "dom0_mm";
- dom0_dev.miscdev.fops = &data_fops;
-
- /* register misc char device */
- if (misc_register(&dom0_dev.miscdev) != 0) {
- XEN_ERR("Misc device registration failed\n");
- return -EPERM;
- }
-
- mutex_init(&dom0_dev.data_lock);
- dom0_kobj = kobject_create_and_add("dom0-mm", mm_kobj);
-
- if (!dom0_kobj) {
- XEN_ERR("dom0-mm object creation failed\n");
- misc_deregister(&dom0_dev.miscdev);
- return -ENOMEM;
- }
-
- if (sysfs_create_group(dom0_kobj, &dev_attr_grp)) {
- kobject_put(dom0_kobj);
- misc_deregister(&dom0_dev.miscdev);
- return -EPERM;
- }
-
- if (dom0_memory_reserve(rsv_memsize) < 0) {
- sysfs_remove_group(dom0_kobj, &dev_attr_grp);
- kobject_put(dom0_kobj);
- misc_deregister(&dom0_dev.miscdev);
- return -ENOMEM;
- }
-
- XEN_PRINT("####### DPDK Xen Dom0 module loaded #######\n");
-
- return 0;
-}
-
-static void __exit
-dom0_exit(void)
-{
- if (rsv_mm_info != NULL)
- dom0_memory_free(rsv_memsize);
-
- sysfs_remove_group(dom0_kobj, &dev_attr_grp);
- kobject_put(dom0_kobj);
- misc_deregister(&dom0_dev.miscdev);
-
- XEN_PRINT("####### DPDK Xen Dom0 module unloaded #######\n");
-}
-
-static int
-dom0_open(struct inode *inode, struct file *file)
-{
- file->private_data = NULL;
-
- XEN_PRINT(KERN_INFO "/dev/dom0_mm opened\n");
- return 0;
-}
-
-static int
-dom0_release(struct inode *inode, struct file *file)
-{
- int ret = 0;
- struct dom0_mm_data *mm_data = file->private_data;
-
- if (mm_data == NULL)
- return ret;
-
- mutex_lock(&dom0_dev.data_lock);
- if (--mm_data->refcnt == 0)
- ret = dom0_memory_release(mm_data);
- mutex_unlock(&dom0_dev.data_lock);
-
- file->private_data = NULL;
- XEN_PRINT(KERN_INFO "/dev/dom0_mm closed\n");
- return ret;
-}
-
-static int
-dom0_mmap(struct file *file, struct vm_area_struct *vm)
-{
- int status = 0;
- uint32_t idx = vm->vm_pgoff;
- uint64_t pfn, size = vm->vm_end - vm->vm_start;
- struct dom0_mm_data *mm_data = file->private_data;
-
- if(mm_data == NULL)
- return -EINVAL;
-
- mutex_lock(&dom0_dev.data_lock);
- if (idx >= mm_data->num_memseg) {
- mutex_unlock(&dom0_dev.data_lock);
- return -EINVAL;
- }
-
- if (size > mm_data->seg_info[idx].size){
- mutex_unlock(&dom0_dev.data_lock);
- return -EINVAL;
- }
-
- XEN_PRINT("mmap memseg idx =%d,size = 0x%llx\n", idx, size);
-
- pfn = mm_data->seg_info[idx].pfn;
- mutex_unlock(&dom0_dev.data_lock);
-
- status = remap_pfn_range(vm, vm->vm_start, pfn, size, PAGE_SHARED);
-
- return status;
-}
-static int
-dom0_ioctl(struct file *file,
- unsigned int ioctl_num,
- unsigned long ioctl_param)
-{
- int idx, ret;
- char name[DOM0_NAME_MAX] = {0};
- struct memory_info meminfo;
- struct dom0_mm_data *mm_data = file->private_data;
-
- XEN_PRINT("IOCTL num=0x%0x param=0x%0lx \n", ioctl_num, ioctl_param);
-
- /**
- * Switch according to the ioctl called
- */
- switch _IOC_NR(ioctl_num) {
- case _IOC_NR(RTE_DOM0_IOCTL_PREPARE_MEMSEG):
- ret = copy_from_user(&meminfo, (void *)ioctl_param,
- sizeof(struct memory_info));
- if (ret)
- return -EFAULT;
-
- if (mm_data != NULL) {
- XEN_ERR("Cannot create memory segment for the same"
- " file descriptor\n");
- return -EINVAL;
- }
-
- /* Allocate private data */
- mm_data = vmalloc(sizeof(struct dom0_mm_data));
- if (!mm_data) {
- XEN_ERR("Unable to allocate device private data\n");
- return -ENOMEM;
- }
- memset(mm_data, 0, sizeof(struct dom0_mm_data));
-
- mutex_lock(&dom0_dev.data_lock);
- /* check if we can allocate memory*/
- if (dom0_check_memory(&meminfo) < 0) {
- mutex_unlock(&dom0_dev.data_lock);
- vfree(mm_data);
- return -EINVAL;
- }
-
- /* allocate memory and created memory segments*/
- if (dom0_prepare_memsegs(&meminfo, mm_data) < 0) {
- XEN_ERR("create memory segment fail.\n");
- mutex_unlock(&dom0_dev.data_lock);
- return -EIO;
- }
-
- file->private_data = mm_data;
- mutex_unlock(&dom0_dev.data_lock);
- break;
-
- /* support multiple process in term of memory mapping*/
- case _IOC_NR(RTE_DOM0_IOCTL_ATTACH_TO_MEMSEG):
- ret = copy_from_user(name, (void *)ioctl_param,
- sizeof(char) * DOM0_NAME_MAX);
- if (ret)
- return -EFAULT;
-
- mutex_lock(&dom0_dev.data_lock);
- idx = dom0_find_memdata(name);
- if (idx < 0) {
- mutex_unlock(&dom0_dev.data_lock);
- return -EINVAL;
- }
-
- mm_data = dom0_dev.mm_data[idx];
- mm_data->refcnt++;
- file->private_data = mm_data;
- mutex_unlock(&dom0_dev.data_lock);
- break;
-
- case _IOC_NR(RTE_DOM0_IOCTL_GET_NUM_MEMSEG):
- ret = copy_to_user((void *)ioctl_param, &mm_data->num_memseg,
- sizeof(int));
- if (ret)
- return -EFAULT;
- break;
-
- case _IOC_NR(RTE_DOM0_IOCTL_GET_MEMSEG_INFO):
- ret = copy_to_user((void *)ioctl_param,
- &mm_data->seg_info[0],
- sizeof(struct memseg_info) *
- mm_data->num_memseg);
- if (ret)
- return -EFAULT;
- break;
- default:
- XEN_PRINT("IOCTL default \n");
- break;
- }
-
- return 0;
-}
-
-module_init(dom0_init);
-module_exit(dom0_exit);
-
-module_param(rsv_memsize, uint, S_IRUGO | S_IWUSR);
-MODULE_PARM_DESC(rsv_memsize, "Xen-dom0 reserved memory size(MB).\n");
diff --git a/pkg/dpdk.spec b/pkg/dpdk.spec
index 95c3335..fd1b5ef 100644
--- a/pkg/dpdk.spec
+++ b/pkg/dpdk.spec
@@ -52,9 +52,6 @@ ExclusiveArch: i686 x86_64 aarch64
%endif
BuildRequires: kernel-devel, kernel-headers, libpcap-devel
-%ifarch i686 x86_64
-BuildRequires: xen-devel
-%endif
BuildRequires: doxygen, python-sphinx, inkscape
BuildRequires: texlive-collection-latexextra
--
2.7.4
_______________________________________________
Xen-devel mailing list
Xen-devel@lists.xen.org
https://lists.xen.org/xen-devel
^ permalink raw reply related [flat|nested] 38+ messages in thread
* [PATCH 6/6] eal: remove API rte_mem_phy2mch
2017-08-30 18:10 [PATCH 0/6] remove xen dom0 support in DPDK Jianfeng Tan
` (8 preceding siblings ...)
2017-08-30 18:10 ` [PATCH 5/6] eal: remove xen dom0 support Jianfeng Tan
@ 2017-08-30 18:10 ` Jianfeng Tan
2017-09-04 14:52 ` [dpdk-dev] " Bruce Richardson
2017-09-04 14:52 ` Bruce Richardson
2017-08-31 8:44 ` [PATCH 0/6] remove xen dom0 support in DPDK Wei Liu
10 siblings, 2 replies; 38+ messages in thread
From: Jianfeng Tan @ 2017-08-30 18:10 UTC (permalink / raw)
To: dev
Cc: jerin.jacob, shahafs, john.mcnamara, Jianfeng Tan, oao.m.martins,
thomas, xen-devel
Previously, to get MFN address in dom0, this API is a wrapper to
obtain the "physical address".
As we removed xen dom0 support, this API is not necessary.
Signed-off-by: Jianfeng Tan <jianfeng.tan@intel.com>
---
doc/guides/rel_notes/release_17_11.rst | 2 ++
drivers/net/e1000/em_rxtx.c | 4 ++--
drivers/net/e1000/igb_rxtx.c | 4 ++--
drivers/net/fm10k/fm10k_ethdev.c | 4 ++--
drivers/net/i40e/i40e_ethdev.c | 2 +-
drivers/net/i40e/i40e_fdir.c | 2 +-
drivers/net/i40e/i40e_rxtx.c | 8 ++++----
drivers/net/ixgbe/ixgbe_rxtx.c | 4 ++--
drivers/net/sfc/sfc.c | 2 +-
lib/librte_eal/common/include/rte_memory.h | 5 -----
lib/librte_mempool/rte_mempool.c | 3 ---
11 files changed, 17 insertions(+), 23 deletions(-)
diff --git a/doc/guides/rel_notes/release_17_11.rst b/doc/guides/rel_notes/release_17_11.rst
index d211084..06c334b 100644
--- a/doc/guides/rel_notes/release_17_11.rst
+++ b/doc/guides/rel_notes/release_17_11.rst
@@ -110,6 +110,8 @@ API Changes
Also, make sure to start the actual text at the margin.
=========================================================
+ * ``rte_mem_phy2mch`` was used in xen dom0 to obtain the physical address;
+ remove this API as xen dom0 support was removed.
ABI Changes
-----------
diff --git a/drivers/net/e1000/em_rxtx.c b/drivers/net/e1000/em_rxtx.c
index 31819c5..a0f63a7 100644
--- a/drivers/net/e1000/em_rxtx.c
+++ b/drivers/net/e1000/em_rxtx.c
@@ -1289,7 +1289,7 @@ eth_em_tx_queue_setup(struct rte_eth_dev *dev,
txq->port_id = dev->data->port_id;
txq->tdt_reg_addr = E1000_PCI_REG_ADDR(hw, E1000_TDT(queue_idx));
- txq->tx_ring_phys_addr = rte_mem_phy2mch(tz->memseg_id, tz->phys_addr);
+ txq->tx_ring_phys_addr = tz->phys_addr;
txq->tx_ring = (struct e1000_data_desc *) tz->addr;
PMD_INIT_LOG(DEBUG, "sw_ring=%p hw_ring=%p dma_addr=0x%"PRIx64,
@@ -1416,7 +1416,7 @@ eth_em_rx_queue_setup(struct rte_eth_dev *dev,
rxq->rdt_reg_addr = E1000_PCI_REG_ADDR(hw, E1000_RDT(queue_idx));
rxq->rdh_reg_addr = E1000_PCI_REG_ADDR(hw, E1000_RDH(queue_idx));
- rxq->rx_ring_phys_addr = rte_mem_phy2mch(rz->memseg_id, rz->phys_addr);
+ rxq->rx_ring_phys_addr = rz->phys_addr;
rxq->rx_ring = (struct e1000_rx_desc *) rz->addr;
PMD_INIT_LOG(DEBUG, "sw_ring=%p hw_ring=%p dma_addr=0x%"PRIx64,
diff --git a/drivers/net/e1000/igb_rxtx.c b/drivers/net/e1000/igb_rxtx.c
index 1c80a2a..0fccb5d 100644
--- a/drivers/net/e1000/igb_rxtx.c
+++ b/drivers/net/e1000/igb_rxtx.c
@@ -1530,7 +1530,7 @@ eth_igb_tx_queue_setup(struct rte_eth_dev *dev,
txq->port_id = dev->data->port_id;
txq->tdt_reg_addr = E1000_PCI_REG_ADDR(hw, E1000_TDT(txq->reg_idx));
- txq->tx_ring_phys_addr = rte_mem_phy2mch(tz->memseg_id, tz->phys_addr);
+ txq->tx_ring_phys_addr = tz->phys_addr;
txq->tx_ring = (union e1000_adv_tx_desc *) tz->addr;
/* Allocate software ring */
@@ -1667,7 +1667,7 @@ eth_igb_rx_queue_setup(struct rte_eth_dev *dev,
}
rxq->rdt_reg_addr = E1000_PCI_REG_ADDR(hw, E1000_RDT(rxq->reg_idx));
rxq->rdh_reg_addr = E1000_PCI_REG_ADDR(hw, E1000_RDH(rxq->reg_idx));
- rxq->rx_ring_phys_addr = rte_mem_phy2mch(rz->memseg_id, rz->phys_addr);
+ rxq->rx_ring_phys_addr = rz->phys_addr;
rxq->rx_ring = (union e1000_adv_rx_desc *) rz->addr;
/* Allocate software ring. */
diff --git a/drivers/net/fm10k/fm10k_ethdev.c b/drivers/net/fm10k/fm10k_ethdev.c
index e60d3a3..15ea2a5 100644
--- a/drivers/net/fm10k/fm10k_ethdev.c
+++ b/drivers/net/fm10k/fm10k_ethdev.c
@@ -1887,7 +1887,7 @@ fm10k_rx_queue_setup(struct rte_eth_dev *dev, uint16_t queue_id,
return -ENOMEM;
}
q->hw_ring = mz->addr;
- q->hw_ring_phys_addr = rte_mem_phy2mch(mz->memseg_id, mz->phys_addr);
+ q->hw_ring_phys_addr = mz->phys_addr;
/* Check if number of descs satisfied Vector requirement */
if (!rte_is_power_of_2(nb_desc)) {
@@ -2047,7 +2047,7 @@ fm10k_tx_queue_setup(struct rte_eth_dev *dev, uint16_t queue_id,
return -ENOMEM;
}
q->hw_ring = mz->addr;
- q->hw_ring_phys_addr = rte_mem_phy2mch(mz->memseg_id, mz->phys_addr);
+ q->hw_ring_phys_addr = mz->phys_addr;
/*
* allocate memory for the RS bit tracker. Enough slots to hold the
diff --git a/drivers/net/i40e/i40e_ethdev.c b/drivers/net/i40e/i40e_ethdev.c
index 5f26e24..dc5458d 100644
--- a/drivers/net/i40e/i40e_ethdev.c
+++ b/drivers/net/i40e/i40e_ethdev.c
@@ -3741,7 +3741,7 @@ i40e_allocate_dma_mem_d(__attribute__((unused)) struct i40e_hw *hw,
mem->size = size;
mem->va = mz->addr;
- mem->pa = rte_mem_phy2mch(mz->memseg_id, mz->phys_addr);
+ mem->pa = mz->phys_addr;
mem->zone = (const void *)mz;
PMD_DRV_LOG(DEBUG,
"memzone %s allocated with physical address: %"PRIu64,
diff --git a/drivers/net/i40e/i40e_fdir.c b/drivers/net/i40e/i40e_fdir.c
index 8013add..70dae92 100644
--- a/drivers/net/i40e/i40e_fdir.c
+++ b/drivers/net/i40e/i40e_fdir.c
@@ -249,7 +249,7 @@ i40e_fdir_setup(struct i40e_pf *pf)
goto fail_mem;
}
pf->fdir.prg_pkt = mz->addr;
- pf->fdir.dma_addr = rte_mem_phy2mch(mz->memseg_id, mz->phys_addr);
+ pf->fdir.dma_addr = mz->phys_addr;
pf->fdir.match_counter_index = I40E_COUNTER_INDEX_FDIR(hw->pf_id);
PMD_DRV_LOG(INFO, "FDIR setup successfully, with programming queue %u.",
diff --git a/drivers/net/i40e/i40e_rxtx.c b/drivers/net/i40e/i40e_rxtx.c
index f571e79..344c11c 100644
--- a/drivers/net/i40e/i40e_rxtx.c
+++ b/drivers/net/i40e/i40e_rxtx.c
@@ -1822,7 +1822,7 @@ i40e_dev_rx_queue_setup(struct rte_eth_dev *dev,
/* Zero all the descriptors in the ring. */
memset(rz->addr, 0, ring_size);
- rxq->rx_ring_phys_addr = rte_mem_phy2mch(rz->memseg_id, rz->phys_addr);
+ rxq->rx_ring_phys_addr = rz->phys_addr;
rxq->rx_ring = (union i40e_rx_desc *)rz->addr;
len = (uint16_t)(nb_desc + RTE_PMD_I40E_RX_MAX_BURST);
@@ -2159,7 +2159,7 @@ i40e_dev_tx_queue_setup(struct rte_eth_dev *dev,
txq->vsi = vsi;
txq->tx_deferred_start = tx_conf->tx_deferred_start;
- txq->tx_ring_phys_addr = rte_mem_phy2mch(tz->memseg_id, tz->phys_addr);
+ txq->tx_ring_phys_addr = tz->phys_addr;
txq->tx_ring = (struct i40e_tx_desc *)tz->addr;
/* Allocate software ring */
@@ -2671,7 +2671,7 @@ i40e_fdir_setup_tx_resources(struct i40e_pf *pf)
txq->reg_idx = pf->fdir.fdir_vsi->base_queue;
txq->vsi = pf->fdir.fdir_vsi;
- txq->tx_ring_phys_addr = rte_mem_phy2mch(tz->memseg_id, tz->phys_addr);
+ txq->tx_ring_phys_addr = tz->phys_addr;
txq->tx_ring = (struct i40e_tx_desc *)tz->addr;
/*
* don't need to allocate software ring and reset for the fdir
@@ -2727,7 +2727,7 @@ i40e_fdir_setup_rx_resources(struct i40e_pf *pf)
rxq->reg_idx = pf->fdir.fdir_vsi->base_queue;
rxq->vsi = pf->fdir.fdir_vsi;
- rxq->rx_ring_phys_addr = rte_mem_phy2mch(rz->memseg_id, rz->phys_addr);
+ rxq->rx_ring_phys_addr = rz->phys_addr;
rxq->rx_ring = (union i40e_rx_desc *)rz->addr;
/*
diff --git a/drivers/net/ixgbe/ixgbe_rxtx.c b/drivers/net/ixgbe/ixgbe_rxtx.c
index 64bff25..ac1415b 100644
--- a/drivers/net/ixgbe/ixgbe_rxtx.c
+++ b/drivers/net/ixgbe/ixgbe_rxtx.c
@@ -2548,7 +2548,7 @@ ixgbe_dev_tx_queue_setup(struct rte_eth_dev *dev,
else
txq->tdt_reg_addr = IXGBE_PCI_REG_ADDR(hw, IXGBE_TDT(txq->reg_idx));
- txq->tx_ring_phys_addr = rte_mem_phy2mch(tz->memseg_id, tz->phys_addr);
+ txq->tx_ring_phys_addr = tz->phys_addr;
txq->tx_ring = (union ixgbe_adv_tx_desc *) tz->addr;
/* Allocate software ring */
@@ -2850,7 +2850,7 @@ ixgbe_dev_rx_queue_setup(struct rte_eth_dev *dev,
IXGBE_PCI_REG_ADDR(hw, IXGBE_RDH(rxq->reg_idx));
}
- rxq->rx_ring_phys_addr = rte_mem_phy2mch(rz->memseg_id, rz->phys_addr);
+ rxq->rx_ring_phys_addr = rz->phys_addr;
rxq->rx_ring = (union ixgbe_adv_rx_desc *) rz->addr;
/*
diff --git a/drivers/net/sfc/sfc.c b/drivers/net/sfc/sfc.c
index 6cecfc0..f9e9916 100644
--- a/drivers/net/sfc/sfc.c
+++ b/drivers/net/sfc/sfc.c
@@ -61,7 +61,7 @@ sfc_dma_alloc(const struct sfc_adapter *sa, const char *name, uint16_t id,
return ENOMEM;
}
- esmp->esm_addr = rte_mem_phy2mch(mz->memseg_id, mz->phys_addr);
+ esmp->esm_addr = mz->phys_addr;
if (esmp->esm_addr == RTE_BAD_PHYS_ADDR) {
(void)rte_memzone_free(mz);
return EFAULT;
diff --git a/lib/librte_eal/common/include/rte_memory.h b/lib/librte_eal/common/include/rte_memory.h
index d8543c0..c545963 100644
--- a/lib/librte_eal/common/include/rte_memory.h
+++ b/lib/librte_eal/common/include/rte_memory.h
@@ -187,11 +187,6 @@ unsigned rte_memory_get_nchannel(void);
*/
unsigned rte_memory_get_nrank(void);
-static inline phys_addr_t
-rte_mem_phy2mch(int32_t memseg_id __rte_unused, const phys_addr_t phy_addr)
-{
- return phy_addr;
-}
#ifdef __cplusplus
}
#endif
diff --git a/lib/librte_mempool/rte_mempool.c b/lib/librte_mempool/rte_mempool.c
index 6d726ae..892a1ac 100644
--- a/lib/librte_mempool/rte_mempool.c
+++ b/lib/librte_mempool/rte_mempool.c
@@ -473,8 +473,6 @@ rte_mempool_populate_virt(struct rte_mempool *mp, char *addr,
mp->populated_size < mp->size; off += phys_len) {
paddr = rte_mem_virt2phy(addr + off);
- /* required for xen_dom0 to get the machine address */
- paddr = rte_mem_phy2mch(-1, paddr);
if (paddr == RTE_BAD_PHYS_ADDR && rte_eal_has_hugepages()) {
ret = -EINVAL;
@@ -486,7 +484,6 @@ rte_mempool_populate_virt(struct rte_mempool *mp, char *addr,
phys_addr_t paddr_tmp;
paddr_tmp = rte_mem_virt2phy(addr + off + phys_len);
- paddr_tmp = rte_mem_phy2mch(-1, paddr_tmp);
if (paddr_tmp != paddr + phys_len)
break;
--
2.7.4
_______________________________________________
Xen-devel mailing list
Xen-devel@lists.xen.org
https://lists.xen.org/xen-devel
^ permalink raw reply related [flat|nested] 38+ messages in thread
* Re: [PATCH 0/6] remove xen dom0 support in DPDK
2017-08-30 18:10 [PATCH 0/6] remove xen dom0 support in DPDK Jianfeng Tan
` (9 preceding siblings ...)
2017-08-30 18:10 ` [PATCH 6/6] eal: remove API rte_mem_phy2mch Jianfeng Tan
@ 2017-08-31 8:44 ` Wei Liu
10 siblings, 0 replies; 38+ messages in thread
From: Wei Liu @ 2017-08-31 8:44 UTC (permalink / raw)
To: Jianfeng Tan
Cc: jerin.jacob, shahafs, Wei Liu, dev, john.mcnamara, thomas,
xen-devel, joao.m.martins
CC Joao's correct address
On Wed, Aug 30, 2017 at 06:10:28PM +0000, Jianfeng Tan wrote:
> Following the calls on the mailing list:
> http://dpdk.org/ml/archives/dev/2017-June/068151.html
> The Technical Board decided to drop Xen dom0 support from EAL:
> http://dpdk.org/ml/archives/dev/2017-June/068615.html
>
> This series remove xen dom0 support in DPDK, as well as xenvirt PMD and
> vhost_xen example.
>
> What are effected?
>
> After these patches, users cannot run DPDK applications inside xen dom0.
>
> What are not effected?
>
> Users can still run DPDK applications inside xen domU on pass-throughed
> physical devices and virtio devices; on the host, users still can run
> DPDK applications same as before.
>
> Jianfeng Tan (6):
> example/vhost_xen: remove
> net/xenvirt: remove
> xen: remove xen dependency in app, examples, test
> xen: remove xen dependency in drivers, ether, mempool
> eal: remove xen dom0 support
> eal: remove API rte_mem_phy2mch
>
> MAINTAINERS | 10 -
> app/test-pmd/Makefile | 4 -
> app/test-pmd/testpmd.c | 14 +-
> config/common_base | 10 -
> config/defconfig_arm-armv7a-linuxapp-gcc | 1 -
> doc/guides/index.rst | 1 -
> doc/guides/linux_gsg/build_sample_apps.rst | 5 +-
> doc/guides/linux_gsg/sys_reqs.rst | 53 -
> doc/guides/nics/features/xenvirt.ini | 6 -
> doc/guides/prog_guide/source_org.rst | 1 -
> doc/guides/rel_notes/deprecation.rst | 3 -
> doc/guides/rel_notes/release_17_11.rst | 14 +
> doc/guides/testpmd_app_ug/run_app.rst | 4 -
> doc/guides/xen/img/dpdk_xen_pkt_switch.png | Bin 163842 -> 0 bytes
> doc/guides/xen/img/grant_refs.png | Bin 6405 -> 0 bytes
> doc/guides/xen/img/grant_table.png | Bin 96762 -> 0 bytes
> doc/guides/xen/index.rst | 38 -
> doc/guides/xen/pkt_switch.rst | 470 ------
> drivers/crypto/qat/qat_qp.c | 7 +-
> drivers/net/Makefile | 2 -
> drivers/net/e1000/em_rxtx.c | 4 +-
> drivers/net/e1000/igb_rxtx.c | 4 +-
> drivers/net/fm10k/fm10k_ethdev.c | 4 +-
> drivers/net/i40e/i40e_ethdev.c | 2 +-
> drivers/net/i40e/i40e_fdir.c | 2 +-
> drivers/net/i40e/i40e_rxtx.c | 16 +-
> drivers/net/ixgbe/ixgbe_rxtx.c | 4 +-
> drivers/net/sfc/sfc.c | 2 +-
> drivers/net/xenvirt/Makefile | 57 -
> drivers/net/xenvirt/rte_eth_xenvirt.c | 766 ----------
> drivers/net/xenvirt/rte_eth_xenvirt.h | 61 -
> drivers/net/xenvirt/rte_eth_xenvirt_version.map | 7 -
> drivers/net/xenvirt/rte_mempool_gntalloc.c | 295 ----
> drivers/net/xenvirt/rte_xen_lib.c | 454 ------
> drivers/net/xenvirt/rte_xen_lib.h | 116 --
> drivers/net/xenvirt/virtio_logs.h | 70 -
> drivers/net/xenvirt/virtqueue.h | 273 ----
> examples/Makefile | 1 -
> examples/ip_pipeline/app.h | 4 -
> examples/ip_pipeline/config_parse.c | 19 -
> examples/ip_pipeline/init.c | 5 -
> examples/kni/main.c | 3 -
> examples/vhost_xen/Makefile | 52 -
> examples/vhost_xen/main.c | 1522 --------------------
> examples/vhost_xen/main.h | 66 -
> examples/vhost_xen/vhost_monitor.c | 595 --------
> examples/vhost_xen/virtio-net.h | 113 --
> examples/vhost_xen/xen_vhost.h | 148 --
> examples/vhost_xen/xenstore_parse.c | 775 ----------
> .../bsdapp/eal/include/exec-env/rte_dom0_common.h | 107 --
> lib/librte_eal/common/eal_common_options.c | 3 -
> lib/librte_eal/common/eal_internal_cfg.h | 1 -
> lib/librte_eal/common/eal_options.h | 2 -
> lib/librte_eal/common/include/rte_memory.h | 71 -
> lib/librte_eal/linuxapp/Makefile | 2 -
> lib/librte_eal/linuxapp/eal/Makefile | 5 +-
> lib/librte_eal/linuxapp/eal/eal.c | 24 -
> lib/librte_eal/linuxapp/eal/eal_memory.c | 56 -
> lib/librte_eal/linuxapp/eal/eal_xen_memory.c | 381 -----
> .../eal/include/exec-env/rte_dom0_common.h | 108 --
> lib/librte_eal/linuxapp/igb_uio/igb_uio.c | 54 -
> lib/librte_eal/linuxapp/xen_dom0/Makefile | 53 -
> lib/librte_eal/linuxapp/xen_dom0/compat.h | 15 -
> lib/librte_eal/linuxapp/xen_dom0/dom0_mm_dev.h | 107 --
> lib/librte_eal/linuxapp/xen_dom0/dom0_mm_misc.c | 780 ----------
> lib/librte_ether/rte_ethdev.c | 7 +-
> lib/librte_mempool/rte_mempool.c | 11 +-
> mk/rte.app.mk | 1 -
> pkg/dpdk.spec | 6 -
> test/test/process.h | 10 -
> test/test/test.c | 4 -
> test/test/test_eal_flags.c | 81 --
> 72 files changed, 38 insertions(+), 7934 deletions(-)
> delete mode 100644 doc/guides/nics/features/xenvirt.ini
> delete mode 100644 doc/guides/xen/img/dpdk_xen_pkt_switch.png
> delete mode 100644 doc/guides/xen/img/grant_refs.png
> delete mode 100644 doc/guides/xen/img/grant_table.png
> delete mode 100644 doc/guides/xen/index.rst
> delete mode 100644 doc/guides/xen/pkt_switch.rst
> delete mode 100644 drivers/net/xenvirt/Makefile
> delete mode 100644 drivers/net/xenvirt/rte_eth_xenvirt.c
> delete mode 100644 drivers/net/xenvirt/rte_eth_xenvirt.h
> delete mode 100644 drivers/net/xenvirt/rte_eth_xenvirt_version.map
> delete mode 100644 drivers/net/xenvirt/rte_mempool_gntalloc.c
> delete mode 100644 drivers/net/xenvirt/rte_xen_lib.c
> delete mode 100644 drivers/net/xenvirt/rte_xen_lib.h
> delete mode 100644 drivers/net/xenvirt/virtio_logs.h
> delete mode 100644 drivers/net/xenvirt/virtqueue.h
> delete mode 100644 examples/vhost_xen/Makefile
> delete mode 100644 examples/vhost_xen/main.c
> delete mode 100644 examples/vhost_xen/main.h
> delete mode 100644 examples/vhost_xen/vhost_monitor.c
> delete mode 100644 examples/vhost_xen/virtio-net.h
> delete mode 100644 examples/vhost_xen/xen_vhost.h
> delete mode 100644 examples/vhost_xen/xenstore_parse.c
> delete mode 100644 lib/librte_eal/bsdapp/eal/include/exec-env/rte_dom0_common.h
> delete mode 100644 lib/librte_eal/linuxapp/eal/eal_xen_memory.c
> delete mode 100644 lib/librte_eal/linuxapp/eal/include/exec-env/rte_dom0_common.h
> delete mode 100644 lib/librte_eal/linuxapp/xen_dom0/Makefile
> delete mode 100644 lib/librte_eal/linuxapp/xen_dom0/compat.h
> delete mode 100644 lib/librte_eal/linuxapp/xen_dom0/dom0_mm_dev.h
> delete mode 100644 lib/librte_eal/linuxapp/xen_dom0/dom0_mm_misc.c
>
> --
> 2.7.4
>
>
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@lists.xen.org
> https://lists.xen.org/xen-devel
_______________________________________________
Xen-devel mailing list
Xen-devel@lists.xen.org
https://lists.xen.org/xen-devel
^ permalink raw reply [flat|nested] 38+ messages in thread
* Re: [PATCH 1/6] example/vhost_xen: remove
2017-08-30 18:10 ` Jianfeng Tan
2017-09-04 14:14 ` [dpdk-dev] " Bruce Richardson
@ 2017-09-04 14:14 ` Bruce Richardson
1 sibling, 0 replies; 38+ messages in thread
From: Bruce Richardson @ 2017-09-04 14:14 UTC (permalink / raw)
To: Jianfeng Tan
Cc: dev, xen-devel, thomas, john.mcnamara, oao.m.martins,
jerin.jacob, shahafs
On Wed, Aug 30, 2017 at 06:10:29PM +0000, Jianfeng Tan wrote:
> Signed-off-by: Jianfeng Tan <jianfeng.tan@intel.com>
Minor nit: checkpatch points out that the prefix should be "examples/..."
rather than "example/..."
Otherwise:
Acked-by: Bruce Richardson <bruce.richardson@intel.com>
^ permalink raw reply [flat|nested] 38+ messages in thread
* Re: [dpdk-dev] [PATCH 1/6] example/vhost_xen: remove
2017-08-30 18:10 ` Jianfeng Tan
@ 2017-09-04 14:14 ` Bruce Richardson
2017-09-04 14:14 ` Bruce Richardson
1 sibling, 0 replies; 38+ messages in thread
From: Bruce Richardson @ 2017-09-04 14:14 UTC (permalink / raw)
To: Jianfeng Tan
Cc: jerin.jacob, shahafs, dev, john.mcnamara, oao.m.martins, thomas,
xen-devel
On Wed, Aug 30, 2017 at 06:10:29PM +0000, Jianfeng Tan wrote:
> Signed-off-by: Jianfeng Tan <jianfeng.tan@intel.com>
Minor nit: checkpatch points out that the prefix should be "examples/..."
rather than "example/..."
Otherwise:
Acked-by: Bruce Richardson <bruce.richardson@intel.com>
_______________________________________________
Xen-devel mailing list
Xen-devel@lists.xen.org
https://lists.xen.org/xen-devel
^ permalink raw reply [flat|nested] 38+ messages in thread
* Re: [PATCH 3/6] xen: remove xen dependency in app, examples, test
2017-08-30 18:10 ` [PATCH 3/6] xen: remove xen dependency in app, examples, test Jianfeng Tan
2017-09-04 14:24 ` [dpdk-dev] " Bruce Richardson
@ 2017-09-04 14:24 ` Bruce Richardson
2017-09-04 14:51 ` [dpdk-dev] " Bruce Richardson
2017-09-04 14:51 ` Bruce Richardson
3 siblings, 0 replies; 38+ messages in thread
From: Bruce Richardson @ 2017-09-04 14:24 UTC (permalink / raw)
To: Jianfeng Tan
Cc: dev, xen-devel, thomas, john.mcnamara, oao.m.martins,
jerin.jacob, shahafs
On Wed, Aug 30, 2017 at 06:10:31PM +0000, Jianfeng Tan wrote:
> Signed-off-by: Jianfeng Tan <jianfeng.tan@intel.com>
> ---
> app/test-pmd/testpmd.c | 2 +-
> examples/ip_pipeline/app.h | 4 --
> examples/ip_pipeline/config_parse.c | 19 ---------
> examples/ip_pipeline/init.c | 5 ---
> examples/kni/main.c | 3 --
> test/test/process.h | 10 -----
> test/test/test.c | 4 --
> test/test/test_eal_flags.c | 81 -------------------------------------
> 8 files changed, 1 insertion(+), 127 deletions(-)
>
> diff --git a/app/test-pmd/testpmd.c b/app/test-pmd/testpmd.c
> index f8d02ae..d9c785c 100644
> --- a/app/test-pmd/testpmd.c
> +++ b/app/test-pmd/testpmd.c
> @@ -494,7 +494,7 @@ mbuf_pool_create(uint16_t mbuf_seg_size, unsigned nb_mbuf,
> "create a new mbuf pool <%s>: n=%u, size=%u, socket=%u\n",
> pool_name, nb_mbuf, mbuf_seg_size, socket_id);
>
> - /* if the former XEN allocation failed fall back to normal allocation */
> + /* if the former allocation failed fall back to normal allocation */
> if (rte_mp == NULL) {
> if (mp_anon != 0) {
> rte_mp = rte_mempool_create_empty(pool_name, nb_mbuf,
There is no former allocation here, so I think the previous patch, which
removed the #ifdef block should also remove this comment entirely, and
the "if (rte_mp == NULL)" too
^ permalink raw reply [flat|nested] 38+ messages in thread
* Re: [dpdk-dev] [PATCH 3/6] xen: remove xen dependency in app, examples, test
2017-08-30 18:10 ` [PATCH 3/6] xen: remove xen dependency in app, examples, test Jianfeng Tan
@ 2017-09-04 14:24 ` Bruce Richardson
2017-09-04 14:24 ` Bruce Richardson
` (2 subsequent siblings)
3 siblings, 0 replies; 38+ messages in thread
From: Bruce Richardson @ 2017-09-04 14:24 UTC (permalink / raw)
To: Jianfeng Tan
Cc: jerin.jacob, shahafs, dev, john.mcnamara, oao.m.martins, thomas,
xen-devel
On Wed, Aug 30, 2017 at 06:10:31PM +0000, Jianfeng Tan wrote:
> Signed-off-by: Jianfeng Tan <jianfeng.tan@intel.com>
> ---
> app/test-pmd/testpmd.c | 2 +-
> examples/ip_pipeline/app.h | 4 --
> examples/ip_pipeline/config_parse.c | 19 ---------
> examples/ip_pipeline/init.c | 5 ---
> examples/kni/main.c | 3 --
> test/test/process.h | 10 -----
> test/test/test.c | 4 --
> test/test/test_eal_flags.c | 81 -------------------------------------
> 8 files changed, 1 insertion(+), 127 deletions(-)
>
> diff --git a/app/test-pmd/testpmd.c b/app/test-pmd/testpmd.c
> index f8d02ae..d9c785c 100644
> --- a/app/test-pmd/testpmd.c
> +++ b/app/test-pmd/testpmd.c
> @@ -494,7 +494,7 @@ mbuf_pool_create(uint16_t mbuf_seg_size, unsigned nb_mbuf,
> "create a new mbuf pool <%s>: n=%u, size=%u, socket=%u\n",
> pool_name, nb_mbuf, mbuf_seg_size, socket_id);
>
> - /* if the former XEN allocation failed fall back to normal allocation */
> + /* if the former allocation failed fall back to normal allocation */
> if (rte_mp == NULL) {
> if (mp_anon != 0) {
> rte_mp = rte_mempool_create_empty(pool_name, nb_mbuf,
There is no former allocation here, so I think the previous patch, which
removed the #ifdef block should also remove this comment entirely, and
the "if (rte_mp == NULL)" too
_______________________________________________
Xen-devel mailing list
Xen-devel@lists.xen.org
https://lists.xen.org/xen-devel
^ permalink raw reply [flat|nested] 38+ messages in thread
* Re: [PATCH 2/6] net/xenvirt: remove
2017-08-30 18:10 ` Jianfeng Tan
@ 2017-09-04 14:25 ` Bruce Richardson
2017-09-04 14:50 ` Bruce Richardson
2017-09-04 14:50 ` [dpdk-dev] " Bruce Richardson
2017-09-04 14:25 ` Bruce Richardson
1 sibling, 2 replies; 38+ messages in thread
From: Bruce Richardson @ 2017-09-04 14:25 UTC (permalink / raw)
To: Jianfeng Tan
Cc: dev, xen-devel, thomas, john.mcnamara, oao.m.martins,
jerin.jacob, shahafs
On Wed, Aug 30, 2017 at 06:10:30PM +0000, Jianfeng Tan wrote:
> Signed-off-by: Jianfeng Tan <jianfeng.tan@intel.com>
> ---
> MAINTAINERS | 2 -
> app/test-pmd/Makefile | 4 -
> app/test-pmd/testpmd.c | 12 -
> config/common_base | 5 -
> config/defconfig_arm-armv7a-linuxapp-gcc | 1 -
> doc/guides/nics/features/xenvirt.ini | 6 -
> drivers/net/Makefile | 2 -
> drivers/net/xenvirt/Makefile | 57 --
> drivers/net/xenvirt/rte_eth_xenvirt.c | 766 ------------------------
> drivers/net/xenvirt/rte_eth_xenvirt.h | 61 --
> drivers/net/xenvirt/rte_eth_xenvirt_version.map | 7 -
> drivers/net/xenvirt/rte_mempool_gntalloc.c | 295 ---------
> drivers/net/xenvirt/rte_xen_lib.c | 454 --------------
> drivers/net/xenvirt/rte_xen_lib.h | 116 ----
> drivers/net/xenvirt/virtio_logs.h | 70 ---
> drivers/net/xenvirt/virtqueue.h | 273 ---------
> mk/rte.app.mk | 1 -
> pkg/dpdk.spec | 3 -
> 18 files changed, 2135 deletions(-)
> delete mode 100644 doc/guides/nics/features/xenvirt.ini
> delete mode 100644 drivers/net/xenvirt/Makefile
> delete mode 100644 drivers/net/xenvirt/rte_eth_xenvirt.c
> delete mode 100644 drivers/net/xenvirt/rte_eth_xenvirt.h
> delete mode 100644 drivers/net/xenvirt/rte_eth_xenvirt_version.map
> delete mode 100644 drivers/net/xenvirt/rte_mempool_gntalloc.c
> delete mode 100644 drivers/net/xenvirt/rte_xen_lib.c
> delete mode 100644 drivers/net/xenvirt/rte_xen_lib.h
> delete mode 100644 drivers/net/xenvirt/virtio_logs.h
> delete mode 100644 drivers/net/xenvirt/virtqueue.h
>
> diff --git a/MAINTAINERS b/MAINTAINERS
> index fe6c6db..003e72e 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -194,9 +194,7 @@ M: Jianfeng Tan <jianfeng.tan@intel.com>
> F: lib/librte_eal/linuxapp/xen_dom0/
> F: lib/librte_eal/linuxapp/eal/*xen*
> F: lib/librte_eal/linuxapp/eal/include/exec-env/rte_dom0_common.h
> -F: drivers/net/xenvirt/
> F: doc/guides/xen/
> -F: doc/guides/nics/features/xenvirt.ini
>
> FreeBSD EAL (with overlaps)
> M: Bruce Richardson <bruce.richardson@intel.com>
> diff --git a/app/test-pmd/Makefile b/app/test-pmd/Makefile
> index c36be19..b6e80dd 100644
> --- a/app/test-pmd/Makefile
> +++ b/app/test-pmd/Makefile
> @@ -77,10 +77,6 @@ ifeq ($(CONFIG_RTE_LIBRTE_BNXT_PMD),y)
> LDLIBS += -lrte_pmd_bnxt
> endif
>
> -ifeq ($(CONFIG_RTE_LIBRTE_PMD_XENVIRT),y)
> -LDLIBS += -lrte_pmd_xenvirt
> -endif
> -
> endif
>
> CFLAGS_cmdline.o := -D_GNU_SOURCE
> diff --git a/app/test-pmd/testpmd.c b/app/test-pmd/testpmd.c
> index 7d40139..f8d02ae 100644
> --- a/app/test-pmd/testpmd.c
> +++ b/app/test-pmd/testpmd.c
> @@ -76,9 +76,6 @@
> #ifdef RTE_LIBRTE_IXGBE_PMD
> #include <rte_pmd_ixgbe.h>
> #endif
> -#ifdef RTE_LIBRTE_PMD_XENVIRT
> -#include <rte_eth_xenvirt.h>
> -#endif
> #ifdef RTE_LIBRTE_PDUMP
> #include <rte_pdump.h>
> #endif
> @@ -497,15 +494,6 @@ mbuf_pool_create(uint16_t mbuf_seg_size, unsigned nb_mbuf,
> "create a new mbuf pool <%s>: n=%u, size=%u, socket=%u\n",
> pool_name, nb_mbuf, mbuf_seg_size, socket_id);
>
> -#ifdef RTE_LIBRTE_PMD_XENVIRT
> - rte_mp = rte_mempool_gntalloc_create(pool_name, nb_mbuf, mb_size,
> - (unsigned) mb_mempool_cache,
> - sizeof(struct rte_pktmbuf_pool_private),
> - rte_pktmbuf_pool_init, NULL,
> - rte_pktmbuf_init, NULL,
> - socket_id, 0);
> -#endif
> -
> /* if the former XEN allocation failed fall back to normal allocation */
> if (rte_mp == NULL) {
Remove comment and if condition, as there is no way the the variable can
be non-null now.
/Bruce
^ permalink raw reply [flat|nested] 38+ messages in thread
* Re: [dpdk-dev] [PATCH 2/6] net/xenvirt: remove
2017-08-30 18:10 ` Jianfeng Tan
2017-09-04 14:25 ` Bruce Richardson
@ 2017-09-04 14:25 ` Bruce Richardson
1 sibling, 0 replies; 38+ messages in thread
From: Bruce Richardson @ 2017-09-04 14:25 UTC (permalink / raw)
To: Jianfeng Tan
Cc: jerin.jacob, shahafs, dev, john.mcnamara, oao.m.martins, thomas,
xen-devel
On Wed, Aug 30, 2017 at 06:10:30PM +0000, Jianfeng Tan wrote:
> Signed-off-by: Jianfeng Tan <jianfeng.tan@intel.com>
> ---
> MAINTAINERS | 2 -
> app/test-pmd/Makefile | 4 -
> app/test-pmd/testpmd.c | 12 -
> config/common_base | 5 -
> config/defconfig_arm-armv7a-linuxapp-gcc | 1 -
> doc/guides/nics/features/xenvirt.ini | 6 -
> drivers/net/Makefile | 2 -
> drivers/net/xenvirt/Makefile | 57 --
> drivers/net/xenvirt/rte_eth_xenvirt.c | 766 ------------------------
> drivers/net/xenvirt/rte_eth_xenvirt.h | 61 --
> drivers/net/xenvirt/rte_eth_xenvirt_version.map | 7 -
> drivers/net/xenvirt/rte_mempool_gntalloc.c | 295 ---------
> drivers/net/xenvirt/rte_xen_lib.c | 454 --------------
> drivers/net/xenvirt/rte_xen_lib.h | 116 ----
> drivers/net/xenvirt/virtio_logs.h | 70 ---
> drivers/net/xenvirt/virtqueue.h | 273 ---------
> mk/rte.app.mk | 1 -
> pkg/dpdk.spec | 3 -
> 18 files changed, 2135 deletions(-)
> delete mode 100644 doc/guides/nics/features/xenvirt.ini
> delete mode 100644 drivers/net/xenvirt/Makefile
> delete mode 100644 drivers/net/xenvirt/rte_eth_xenvirt.c
> delete mode 100644 drivers/net/xenvirt/rte_eth_xenvirt.h
> delete mode 100644 drivers/net/xenvirt/rte_eth_xenvirt_version.map
> delete mode 100644 drivers/net/xenvirt/rte_mempool_gntalloc.c
> delete mode 100644 drivers/net/xenvirt/rte_xen_lib.c
> delete mode 100644 drivers/net/xenvirt/rte_xen_lib.h
> delete mode 100644 drivers/net/xenvirt/virtio_logs.h
> delete mode 100644 drivers/net/xenvirt/virtqueue.h
>
> diff --git a/MAINTAINERS b/MAINTAINERS
> index fe6c6db..003e72e 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -194,9 +194,7 @@ M: Jianfeng Tan <jianfeng.tan@intel.com>
> F: lib/librte_eal/linuxapp/xen_dom0/
> F: lib/librte_eal/linuxapp/eal/*xen*
> F: lib/librte_eal/linuxapp/eal/include/exec-env/rte_dom0_common.h
> -F: drivers/net/xenvirt/
> F: doc/guides/xen/
> -F: doc/guides/nics/features/xenvirt.ini
>
> FreeBSD EAL (with overlaps)
> M: Bruce Richardson <bruce.richardson@intel.com>
> diff --git a/app/test-pmd/Makefile b/app/test-pmd/Makefile
> index c36be19..b6e80dd 100644
> --- a/app/test-pmd/Makefile
> +++ b/app/test-pmd/Makefile
> @@ -77,10 +77,6 @@ ifeq ($(CONFIG_RTE_LIBRTE_BNXT_PMD),y)
> LDLIBS += -lrte_pmd_bnxt
> endif
>
> -ifeq ($(CONFIG_RTE_LIBRTE_PMD_XENVIRT),y)
> -LDLIBS += -lrte_pmd_xenvirt
> -endif
> -
> endif
>
> CFLAGS_cmdline.o := -D_GNU_SOURCE
> diff --git a/app/test-pmd/testpmd.c b/app/test-pmd/testpmd.c
> index 7d40139..f8d02ae 100644
> --- a/app/test-pmd/testpmd.c
> +++ b/app/test-pmd/testpmd.c
> @@ -76,9 +76,6 @@
> #ifdef RTE_LIBRTE_IXGBE_PMD
> #include <rte_pmd_ixgbe.h>
> #endif
> -#ifdef RTE_LIBRTE_PMD_XENVIRT
> -#include <rte_eth_xenvirt.h>
> -#endif
> #ifdef RTE_LIBRTE_PDUMP
> #include <rte_pdump.h>
> #endif
> @@ -497,15 +494,6 @@ mbuf_pool_create(uint16_t mbuf_seg_size, unsigned nb_mbuf,
> "create a new mbuf pool <%s>: n=%u, size=%u, socket=%u\n",
> pool_name, nb_mbuf, mbuf_seg_size, socket_id);
>
> -#ifdef RTE_LIBRTE_PMD_XENVIRT
> - rte_mp = rte_mempool_gntalloc_create(pool_name, nb_mbuf, mb_size,
> - (unsigned) mb_mempool_cache,
> - sizeof(struct rte_pktmbuf_pool_private),
> - rte_pktmbuf_pool_init, NULL,
> - rte_pktmbuf_init, NULL,
> - socket_id, 0);
> -#endif
> -
> /* if the former XEN allocation failed fall back to normal allocation */
> if (rte_mp == NULL) {
Remove comment and if condition, as there is no way the the variable can
be non-null now.
/Bruce
_______________________________________________
Xen-devel mailing list
Xen-devel@lists.xen.org
https://lists.xen.org/xen-devel
^ permalink raw reply [flat|nested] 38+ messages in thread
* Re: [PATCH 5/6] eal: remove xen dom0 support
2017-08-30 18:10 ` [PATCH 5/6] eal: remove xen dom0 support Jianfeng Tan
2017-09-04 14:43 ` [dpdk-dev] " Bruce Richardson
@ 2017-09-04 14:43 ` Bruce Richardson
2017-09-04 14:49 ` Bruce Richardson
2017-09-04 14:49 ` Bruce Richardson
1 sibling, 2 replies; 38+ messages in thread
From: Bruce Richardson @ 2017-09-04 14:43 UTC (permalink / raw)
To: Jianfeng Tan
Cc: dev, xen-devel, thomas, john.mcnamara, joao.m.martins,
jerin.jacob, shahafs
On Wed, Aug 30, 2017 at 06:10:33PM +0000, Jianfeng Tan wrote:
> We remove xen-specific code in EAL, including the option --xen-dom0,
> memory initialization code, compiling dependency, etc.
>
> Besides, related documents are removed or updated.
>
> Signed-off-by: Jianfeng Tan <jianfeng.tan@intel.com>
> ---
> MAINTAINERS | 7 -
> config/common_base | 5 -
> doc/guides/index.rst | 1 -
> doc/guides/linux_gsg/build_sample_apps.rst | 5 +-
> doc/guides/linux_gsg/sys_reqs.rst | 53 --
> doc/guides/prog_guide/source_org.rst | 1 -
> doc/guides/rel_notes/deprecation.rst | 3 -
> doc/guides/rel_notes/release_17_11.rst | 12 +
> doc/guides/testpmd_app_ug/run_app.rst | 4 -
> doc/guides/xen/img/dpdk_xen_pkt_switch.png | Bin 163842 -> 0 bytes
> doc/guides/xen/img/grant_refs.png | Bin 6405 -> 0 bytes
> doc/guides/xen/img/grant_table.png | Bin 96762 -> 0 bytes
> doc/guides/xen/index.rst | 38 -
> doc/guides/xen/pkt_switch.rst | 470 -------------
> .../bsdapp/eal/include/exec-env/rte_dom0_common.h | 107 ---
> lib/librte_eal/common/eal_common_options.c | 3 -
> lib/librte_eal/common/eal_internal_cfg.h | 1 -
> lib/librte_eal/common/eal_options.h | 2 -
> lib/librte_eal/common/include/rte_memory.h | 66 --
> lib/librte_eal/linuxapp/Makefile | 2 -
> lib/librte_eal/linuxapp/eal/Makefile | 5 +-
> lib/librte_eal/linuxapp/eal/eal.c | 24 -
> lib/librte_eal/linuxapp/eal/eal_memory.c | 56 --
> lib/librte_eal/linuxapp/eal/eal_xen_memory.c | 381 ----------
> .../eal/include/exec-env/rte_dom0_common.h | 108 ---
> lib/librte_eal/linuxapp/igb_uio/igb_uio.c | 54 --
> lib/librte_eal/linuxapp/xen_dom0/Makefile | 53 --
> lib/librte_eal/linuxapp/xen_dom0/compat.h | 15 -
> lib/librte_eal/linuxapp/xen_dom0/dom0_mm_dev.h | 107 ---
> lib/librte_eal/linuxapp/xen_dom0/dom0_mm_misc.c | 780 ---------------------
> pkg/dpdk.spec | 3 -
The xen functions that were removed are still listed in the linux/bsd
version.map files. Not an ABI versioning expert, but I believe they
should be removed as they are no longer present.
Also, I spot a reference to xen still in
doc/guides/contributing/documentation.rst.
/Bruce
^ permalink raw reply [flat|nested] 38+ messages in thread
* Re: [dpdk-dev] [PATCH 5/6] eal: remove xen dom0 support
2017-08-30 18:10 ` [PATCH 5/6] eal: remove xen dom0 support Jianfeng Tan
@ 2017-09-04 14:43 ` Bruce Richardson
2017-09-04 14:43 ` Bruce Richardson
1 sibling, 0 replies; 38+ messages in thread
From: Bruce Richardson @ 2017-09-04 14:43 UTC (permalink / raw)
To: Jianfeng Tan
Cc: jerin.jacob, shahafs, dev, john.mcnamara, thomas, xen-devel,
joao.m.martins
On Wed, Aug 30, 2017 at 06:10:33PM +0000, Jianfeng Tan wrote:
> We remove xen-specific code in EAL, including the option --xen-dom0,
> memory initialization code, compiling dependency, etc.
>
> Besides, related documents are removed or updated.
>
> Signed-off-by: Jianfeng Tan <jianfeng.tan@intel.com>
> ---
> MAINTAINERS | 7 -
> config/common_base | 5 -
> doc/guides/index.rst | 1 -
> doc/guides/linux_gsg/build_sample_apps.rst | 5 +-
> doc/guides/linux_gsg/sys_reqs.rst | 53 --
> doc/guides/prog_guide/source_org.rst | 1 -
> doc/guides/rel_notes/deprecation.rst | 3 -
> doc/guides/rel_notes/release_17_11.rst | 12 +
> doc/guides/testpmd_app_ug/run_app.rst | 4 -
> doc/guides/xen/img/dpdk_xen_pkt_switch.png | Bin 163842 -> 0 bytes
> doc/guides/xen/img/grant_refs.png | Bin 6405 -> 0 bytes
> doc/guides/xen/img/grant_table.png | Bin 96762 -> 0 bytes
> doc/guides/xen/index.rst | 38 -
> doc/guides/xen/pkt_switch.rst | 470 -------------
> .../bsdapp/eal/include/exec-env/rte_dom0_common.h | 107 ---
> lib/librte_eal/common/eal_common_options.c | 3 -
> lib/librte_eal/common/eal_internal_cfg.h | 1 -
> lib/librte_eal/common/eal_options.h | 2 -
> lib/librte_eal/common/include/rte_memory.h | 66 --
> lib/librte_eal/linuxapp/Makefile | 2 -
> lib/librte_eal/linuxapp/eal/Makefile | 5 +-
> lib/librte_eal/linuxapp/eal/eal.c | 24 -
> lib/librte_eal/linuxapp/eal/eal_memory.c | 56 --
> lib/librte_eal/linuxapp/eal/eal_xen_memory.c | 381 ----------
> .../eal/include/exec-env/rte_dom0_common.h | 108 ---
> lib/librte_eal/linuxapp/igb_uio/igb_uio.c | 54 --
> lib/librte_eal/linuxapp/xen_dom0/Makefile | 53 --
> lib/librte_eal/linuxapp/xen_dom0/compat.h | 15 -
> lib/librte_eal/linuxapp/xen_dom0/dom0_mm_dev.h | 107 ---
> lib/librte_eal/linuxapp/xen_dom0/dom0_mm_misc.c | 780 ---------------------
> pkg/dpdk.spec | 3 -
The xen functions that were removed are still listed in the linux/bsd
version.map files. Not an ABI versioning expert, but I believe they
should be removed as they are no longer present.
Also, I spot a reference to xen still in
doc/guides/contributing/documentation.rst.
/Bruce
_______________________________________________
Xen-devel mailing list
Xen-devel@lists.xen.org
https://lists.xen.org/xen-devel
^ permalink raw reply [flat|nested] 38+ messages in thread
* Re: [PATCH 5/6] eal: remove xen dom0 support
2017-09-04 14:43 ` Bruce Richardson
@ 2017-09-04 14:49 ` Bruce Richardson
2017-09-05 3:41 ` Tan, Jianfeng
2017-09-05 3:41 ` [dpdk-dev] " Tan, Jianfeng
2017-09-04 14:49 ` Bruce Richardson
1 sibling, 2 replies; 38+ messages in thread
From: Bruce Richardson @ 2017-09-04 14:49 UTC (permalink / raw)
To: Jianfeng Tan
Cc: dev, xen-devel, thomas, john.mcnamara, joao.m.martins,
jerin.jacob, shahafs
On Mon, Sep 04, 2017 at 03:43:02PM +0100, Bruce Richardson wrote:
> On Wed, Aug 30, 2017 at 06:10:33PM +0000, Jianfeng Tan wrote:
> > We remove xen-specific code in EAL, including the option --xen-dom0,
> > memory initialization code, compiling dependency, etc.
> >
> > Besides, related documents are removed or updated.
> >
> > Signed-off-by: Jianfeng Tan <jianfeng.tan@intel.com>
> > ---
> > MAINTAINERS | 7 -
> > config/common_base | 5 -
> > doc/guides/index.rst | 1 -
> > doc/guides/linux_gsg/build_sample_apps.rst | 5 +-
> > doc/guides/linux_gsg/sys_reqs.rst | 53 --
> > doc/guides/prog_guide/source_org.rst | 1 -
> > doc/guides/rel_notes/deprecation.rst | 3 -
> > doc/guides/rel_notes/release_17_11.rst | 12 +
> > doc/guides/testpmd_app_ug/run_app.rst | 4 -
> > doc/guides/xen/img/dpdk_xen_pkt_switch.png | Bin 163842 -> 0 bytes
> > doc/guides/xen/img/grant_refs.png | Bin 6405 -> 0 bytes
> > doc/guides/xen/img/grant_table.png | Bin 96762 -> 0 bytes
> > doc/guides/xen/index.rst | 38 -
> > doc/guides/xen/pkt_switch.rst | 470 -------------
> > .../bsdapp/eal/include/exec-env/rte_dom0_common.h | 107 ---
> > lib/librte_eal/common/eal_common_options.c | 3 -
> > lib/librte_eal/common/eal_internal_cfg.h | 1 -
> > lib/librte_eal/common/eal_options.h | 2 -
> > lib/librte_eal/common/include/rte_memory.h | 66 --
> > lib/librte_eal/linuxapp/Makefile | 2 -
> > lib/librte_eal/linuxapp/eal/Makefile | 5 +-
> > lib/librte_eal/linuxapp/eal/eal.c | 24 -
> > lib/librte_eal/linuxapp/eal/eal_memory.c | 56 --
> > lib/librte_eal/linuxapp/eal/eal_xen_memory.c | 381 ----------
> > .../eal/include/exec-env/rte_dom0_common.h | 108 ---
> > lib/librte_eal/linuxapp/igb_uio/igb_uio.c | 54 --
> > lib/librte_eal/linuxapp/xen_dom0/Makefile | 53 --
> > lib/librte_eal/linuxapp/xen_dom0/compat.h | 15 -
> > lib/librte_eal/linuxapp/xen_dom0/dom0_mm_dev.h | 107 ---
> > lib/librte_eal/linuxapp/xen_dom0/dom0_mm_misc.c | 780 ---------------------
> > pkg/dpdk.spec | 3 -
>
> The xen functions that were removed are still listed in the linux/bsd
> version.map files. Not an ABI versioning expert, but I believe they
> should be removed as they are no longer present.
>
Reading the contributors guide section on ABI, specifically
http://dpdk.org/doc/guides/contributing/versioning.html#deprecating-an-entire-abi-version
it seems like we should collapse down the versions to a single one
following the function removal, and also increment the whole library so
version.
/Bruce
^ permalink raw reply [flat|nested] 38+ messages in thread
* Re: [dpdk-dev] [PATCH 5/6] eal: remove xen dom0 support
2017-09-04 14:43 ` Bruce Richardson
2017-09-04 14:49 ` Bruce Richardson
@ 2017-09-04 14:49 ` Bruce Richardson
1 sibling, 0 replies; 38+ messages in thread
From: Bruce Richardson @ 2017-09-04 14:49 UTC (permalink / raw)
To: Jianfeng Tan
Cc: jerin.jacob, shahafs, dev, john.mcnamara, thomas, xen-devel,
joao.m.martins
On Mon, Sep 04, 2017 at 03:43:02PM +0100, Bruce Richardson wrote:
> On Wed, Aug 30, 2017 at 06:10:33PM +0000, Jianfeng Tan wrote:
> > We remove xen-specific code in EAL, including the option --xen-dom0,
> > memory initialization code, compiling dependency, etc.
> >
> > Besides, related documents are removed or updated.
> >
> > Signed-off-by: Jianfeng Tan <jianfeng.tan@intel.com>
> > ---
> > MAINTAINERS | 7 -
> > config/common_base | 5 -
> > doc/guides/index.rst | 1 -
> > doc/guides/linux_gsg/build_sample_apps.rst | 5 +-
> > doc/guides/linux_gsg/sys_reqs.rst | 53 --
> > doc/guides/prog_guide/source_org.rst | 1 -
> > doc/guides/rel_notes/deprecation.rst | 3 -
> > doc/guides/rel_notes/release_17_11.rst | 12 +
> > doc/guides/testpmd_app_ug/run_app.rst | 4 -
> > doc/guides/xen/img/dpdk_xen_pkt_switch.png | Bin 163842 -> 0 bytes
> > doc/guides/xen/img/grant_refs.png | Bin 6405 -> 0 bytes
> > doc/guides/xen/img/grant_table.png | Bin 96762 -> 0 bytes
> > doc/guides/xen/index.rst | 38 -
> > doc/guides/xen/pkt_switch.rst | 470 -------------
> > .../bsdapp/eal/include/exec-env/rte_dom0_common.h | 107 ---
> > lib/librte_eal/common/eal_common_options.c | 3 -
> > lib/librte_eal/common/eal_internal_cfg.h | 1 -
> > lib/librte_eal/common/eal_options.h | 2 -
> > lib/librte_eal/common/include/rte_memory.h | 66 --
> > lib/librte_eal/linuxapp/Makefile | 2 -
> > lib/librte_eal/linuxapp/eal/Makefile | 5 +-
> > lib/librte_eal/linuxapp/eal/eal.c | 24 -
> > lib/librte_eal/linuxapp/eal/eal_memory.c | 56 --
> > lib/librte_eal/linuxapp/eal/eal_xen_memory.c | 381 ----------
> > .../eal/include/exec-env/rte_dom0_common.h | 108 ---
> > lib/librte_eal/linuxapp/igb_uio/igb_uio.c | 54 --
> > lib/librte_eal/linuxapp/xen_dom0/Makefile | 53 --
> > lib/librte_eal/linuxapp/xen_dom0/compat.h | 15 -
> > lib/librte_eal/linuxapp/xen_dom0/dom0_mm_dev.h | 107 ---
> > lib/librte_eal/linuxapp/xen_dom0/dom0_mm_misc.c | 780 ---------------------
> > pkg/dpdk.spec | 3 -
>
> The xen functions that were removed are still listed in the linux/bsd
> version.map files. Not an ABI versioning expert, but I believe they
> should be removed as they are no longer present.
>
Reading the contributors guide section on ABI, specifically
http://dpdk.org/doc/guides/contributing/versioning.html#deprecating-an-entire-abi-version
it seems like we should collapse down the versions to a single one
following the function removal, and also increment the whole library so
version.
/Bruce
_______________________________________________
Xen-devel mailing list
Xen-devel@lists.xen.org
https://lists.xen.org/xen-devel
^ permalink raw reply [flat|nested] 38+ messages in thread
* Re: [PATCH 2/6] net/xenvirt: remove
2017-09-04 14:25 ` Bruce Richardson
@ 2017-09-04 14:50 ` Bruce Richardson
2017-09-04 14:50 ` [dpdk-dev] " Bruce Richardson
1 sibling, 0 replies; 38+ messages in thread
From: Bruce Richardson @ 2017-09-04 14:50 UTC (permalink / raw)
To: Jianfeng Tan
Cc: dev, xen-devel, thomas, john.mcnamara, oao.m.martins,
jerin.jacob, shahafs
On Mon, Sep 04, 2017 at 03:25:48PM +0100, Bruce Richardson wrote:
> On Wed, Aug 30, 2017 at 06:10:30PM +0000, Jianfeng Tan wrote:
> > Signed-off-by: Jianfeng Tan <jianfeng.tan@intel.com>
> > ---
> > MAINTAINERS | 2 -
> > app/test-pmd/Makefile | 4 -
> > app/test-pmd/testpmd.c | 12 -
> > config/common_base | 5 -
> > config/defconfig_arm-armv7a-linuxapp-gcc | 1 -
> > doc/guides/nics/features/xenvirt.ini | 6 -
> > drivers/net/Makefile | 2 -
> > drivers/net/xenvirt/Makefile | 57 --
> > drivers/net/xenvirt/rte_eth_xenvirt.c | 766 ------------------------
> > drivers/net/xenvirt/rte_eth_xenvirt.h | 61 --
> > drivers/net/xenvirt/rte_eth_xenvirt_version.map | 7 -
> > drivers/net/xenvirt/rte_mempool_gntalloc.c | 295 ---------
> > drivers/net/xenvirt/rte_xen_lib.c | 454 --------------
> > drivers/net/xenvirt/rte_xen_lib.h | 116 ----
> > drivers/net/xenvirt/virtio_logs.h | 70 ---
> > drivers/net/xenvirt/virtqueue.h | 273 ---------
> > mk/rte.app.mk | 1 -
> > pkg/dpdk.spec | 3 -
> > 18 files changed, 2135 deletions(-)
> > delete mode 100644 doc/guides/nics/features/xenvirt.ini
> > delete mode 100644 drivers/net/xenvirt/Makefile
> > delete mode 100644 drivers/net/xenvirt/rte_eth_xenvirt.c
> > delete mode 100644 drivers/net/xenvirt/rte_eth_xenvirt.h
> > delete mode 100644 drivers/net/xenvirt/rte_eth_xenvirt_version.map
> > delete mode 100644 drivers/net/xenvirt/rte_mempool_gntalloc.c
> > delete mode 100644 drivers/net/xenvirt/rte_xen_lib.c
> > delete mode 100644 drivers/net/xenvirt/rte_xen_lib.h
> > delete mode 100644 drivers/net/xenvirt/virtio_logs.h
> > delete mode 100644 drivers/net/xenvirt/virtqueue.h
> >
> > diff --git a/MAINTAINERS b/MAINTAINERS
> > index fe6c6db..003e72e 100644
> > --- a/MAINTAINERS
> > +++ b/MAINTAINERS
> > @@ -194,9 +194,7 @@ M: Jianfeng Tan <jianfeng.tan@intel.com>
> > F: lib/librte_eal/linuxapp/xen_dom0/
> > F: lib/librte_eal/linuxapp/eal/*xen*
> > F: lib/librte_eal/linuxapp/eal/include/exec-env/rte_dom0_common.h
> > -F: drivers/net/xenvirt/
> > F: doc/guides/xen/
> > -F: doc/guides/nics/features/xenvirt.ini
> >
> > FreeBSD EAL (with overlaps)
> > M: Bruce Richardson <bruce.richardson@intel.com>
> > diff --git a/app/test-pmd/Makefile b/app/test-pmd/Makefile
> > index c36be19..b6e80dd 100644
> > --- a/app/test-pmd/Makefile
> > +++ b/app/test-pmd/Makefile
> > @@ -77,10 +77,6 @@ ifeq ($(CONFIG_RTE_LIBRTE_BNXT_PMD),y)
> > LDLIBS += -lrte_pmd_bnxt
> > endif
> >
> > -ifeq ($(CONFIG_RTE_LIBRTE_PMD_XENVIRT),y)
> > -LDLIBS += -lrte_pmd_xenvirt
> > -endif
> > -
> > endif
> >
> > CFLAGS_cmdline.o := -D_GNU_SOURCE
> > diff --git a/app/test-pmd/testpmd.c b/app/test-pmd/testpmd.c
> > index 7d40139..f8d02ae 100644
> > --- a/app/test-pmd/testpmd.c
> > +++ b/app/test-pmd/testpmd.c
> > @@ -76,9 +76,6 @@
> > #ifdef RTE_LIBRTE_IXGBE_PMD
> > #include <rte_pmd_ixgbe.h>
> > #endif
> > -#ifdef RTE_LIBRTE_PMD_XENVIRT
> > -#include <rte_eth_xenvirt.h>
> > -#endif
> > #ifdef RTE_LIBRTE_PDUMP
> > #include <rte_pdump.h>
> > #endif
> > @@ -497,15 +494,6 @@ mbuf_pool_create(uint16_t mbuf_seg_size, unsigned nb_mbuf,
> > "create a new mbuf pool <%s>: n=%u, size=%u, socket=%u\n",
> > pool_name, nb_mbuf, mbuf_seg_size, socket_id);
> >
> > -#ifdef RTE_LIBRTE_PMD_XENVIRT
> > - rte_mp = rte_mempool_gntalloc_create(pool_name, nb_mbuf, mb_size,
> > - (unsigned) mb_mempool_cache,
> > - sizeof(struct rte_pktmbuf_pool_private),
> > - rte_pktmbuf_pool_init, NULL,
> > - rte_pktmbuf_init, NULL,
> > - socket_id, 0);
> > -#endif
> > -
> > /* if the former XEN allocation failed fall back to normal allocation */
> > if (rte_mp == NULL) {
>
> Remove comment and if condition, as there is no way the the variable can
> be non-null now.
>
With this change:
Acked-by: Bruce Richardson <bruce.richardson@intel.com>
^ permalink raw reply [flat|nested] 38+ messages in thread
* Re: [dpdk-dev] [PATCH 2/6] net/xenvirt: remove
2017-09-04 14:25 ` Bruce Richardson
2017-09-04 14:50 ` Bruce Richardson
@ 2017-09-04 14:50 ` Bruce Richardson
1 sibling, 0 replies; 38+ messages in thread
From: Bruce Richardson @ 2017-09-04 14:50 UTC (permalink / raw)
To: Jianfeng Tan
Cc: jerin.jacob, shahafs, dev, john.mcnamara, oao.m.martins, thomas,
xen-devel
On Mon, Sep 04, 2017 at 03:25:48PM +0100, Bruce Richardson wrote:
> On Wed, Aug 30, 2017 at 06:10:30PM +0000, Jianfeng Tan wrote:
> > Signed-off-by: Jianfeng Tan <jianfeng.tan@intel.com>
> > ---
> > MAINTAINERS | 2 -
> > app/test-pmd/Makefile | 4 -
> > app/test-pmd/testpmd.c | 12 -
> > config/common_base | 5 -
> > config/defconfig_arm-armv7a-linuxapp-gcc | 1 -
> > doc/guides/nics/features/xenvirt.ini | 6 -
> > drivers/net/Makefile | 2 -
> > drivers/net/xenvirt/Makefile | 57 --
> > drivers/net/xenvirt/rte_eth_xenvirt.c | 766 ------------------------
> > drivers/net/xenvirt/rte_eth_xenvirt.h | 61 --
> > drivers/net/xenvirt/rte_eth_xenvirt_version.map | 7 -
> > drivers/net/xenvirt/rte_mempool_gntalloc.c | 295 ---------
> > drivers/net/xenvirt/rte_xen_lib.c | 454 --------------
> > drivers/net/xenvirt/rte_xen_lib.h | 116 ----
> > drivers/net/xenvirt/virtio_logs.h | 70 ---
> > drivers/net/xenvirt/virtqueue.h | 273 ---------
> > mk/rte.app.mk | 1 -
> > pkg/dpdk.spec | 3 -
> > 18 files changed, 2135 deletions(-)
> > delete mode 100644 doc/guides/nics/features/xenvirt.ini
> > delete mode 100644 drivers/net/xenvirt/Makefile
> > delete mode 100644 drivers/net/xenvirt/rte_eth_xenvirt.c
> > delete mode 100644 drivers/net/xenvirt/rte_eth_xenvirt.h
> > delete mode 100644 drivers/net/xenvirt/rte_eth_xenvirt_version.map
> > delete mode 100644 drivers/net/xenvirt/rte_mempool_gntalloc.c
> > delete mode 100644 drivers/net/xenvirt/rte_xen_lib.c
> > delete mode 100644 drivers/net/xenvirt/rte_xen_lib.h
> > delete mode 100644 drivers/net/xenvirt/virtio_logs.h
> > delete mode 100644 drivers/net/xenvirt/virtqueue.h
> >
> > diff --git a/MAINTAINERS b/MAINTAINERS
> > index fe6c6db..003e72e 100644
> > --- a/MAINTAINERS
> > +++ b/MAINTAINERS
> > @@ -194,9 +194,7 @@ M: Jianfeng Tan <jianfeng.tan@intel.com>
> > F: lib/librte_eal/linuxapp/xen_dom0/
> > F: lib/librte_eal/linuxapp/eal/*xen*
> > F: lib/librte_eal/linuxapp/eal/include/exec-env/rte_dom0_common.h
> > -F: drivers/net/xenvirt/
> > F: doc/guides/xen/
> > -F: doc/guides/nics/features/xenvirt.ini
> >
> > FreeBSD EAL (with overlaps)
> > M: Bruce Richardson <bruce.richardson@intel.com>
> > diff --git a/app/test-pmd/Makefile b/app/test-pmd/Makefile
> > index c36be19..b6e80dd 100644
> > --- a/app/test-pmd/Makefile
> > +++ b/app/test-pmd/Makefile
> > @@ -77,10 +77,6 @@ ifeq ($(CONFIG_RTE_LIBRTE_BNXT_PMD),y)
> > LDLIBS += -lrte_pmd_bnxt
> > endif
> >
> > -ifeq ($(CONFIG_RTE_LIBRTE_PMD_XENVIRT),y)
> > -LDLIBS += -lrte_pmd_xenvirt
> > -endif
> > -
> > endif
> >
> > CFLAGS_cmdline.o := -D_GNU_SOURCE
> > diff --git a/app/test-pmd/testpmd.c b/app/test-pmd/testpmd.c
> > index 7d40139..f8d02ae 100644
> > --- a/app/test-pmd/testpmd.c
> > +++ b/app/test-pmd/testpmd.c
> > @@ -76,9 +76,6 @@
> > #ifdef RTE_LIBRTE_IXGBE_PMD
> > #include <rte_pmd_ixgbe.h>
> > #endif
> > -#ifdef RTE_LIBRTE_PMD_XENVIRT
> > -#include <rte_eth_xenvirt.h>
> > -#endif
> > #ifdef RTE_LIBRTE_PDUMP
> > #include <rte_pdump.h>
> > #endif
> > @@ -497,15 +494,6 @@ mbuf_pool_create(uint16_t mbuf_seg_size, unsigned nb_mbuf,
> > "create a new mbuf pool <%s>: n=%u, size=%u, socket=%u\n",
> > pool_name, nb_mbuf, mbuf_seg_size, socket_id);
> >
> > -#ifdef RTE_LIBRTE_PMD_XENVIRT
> > - rte_mp = rte_mempool_gntalloc_create(pool_name, nb_mbuf, mb_size,
> > - (unsigned) mb_mempool_cache,
> > - sizeof(struct rte_pktmbuf_pool_private),
> > - rte_pktmbuf_pool_init, NULL,
> > - rte_pktmbuf_init, NULL,
> > - socket_id, 0);
> > -#endif
> > -
> > /* if the former XEN allocation failed fall back to normal allocation */
> > if (rte_mp == NULL) {
>
> Remove comment and if condition, as there is no way the the variable can
> be non-null now.
>
With this change:
Acked-by: Bruce Richardson <bruce.richardson@intel.com>
_______________________________________________
Xen-devel mailing list
Xen-devel@lists.xen.org
https://lists.xen.org/xen-devel
^ permalink raw reply [flat|nested] 38+ messages in thread
* Re: [PATCH 3/6] xen: remove xen dependency in app, examples, test
2017-08-30 18:10 ` [PATCH 3/6] xen: remove xen dependency in app, examples, test Jianfeng Tan
` (2 preceding siblings ...)
2017-09-04 14:51 ` [dpdk-dev] " Bruce Richardson
@ 2017-09-04 14:51 ` Bruce Richardson
3 siblings, 0 replies; 38+ messages in thread
From: Bruce Richardson @ 2017-09-04 14:51 UTC (permalink / raw)
To: Jianfeng Tan
Cc: dev, xen-devel, thomas, john.mcnamara, joao.m.martins,
jerin.jacob, shahafs
On Wed, Aug 30, 2017 at 06:10:31PM +0000, Jianfeng Tan wrote:
> Signed-off-by: Jianfeng Tan <jianfeng.tan@intel.com>
> ---
Acked-by: Bruce Richardson <bruce.richardson@intel.com>
^ permalink raw reply [flat|nested] 38+ messages in thread
* Re: [dpdk-dev] [PATCH 3/6] xen: remove xen dependency in app, examples, test
2017-08-30 18:10 ` [PATCH 3/6] xen: remove xen dependency in app, examples, test Jianfeng Tan
2017-09-04 14:24 ` [dpdk-dev] " Bruce Richardson
2017-09-04 14:24 ` Bruce Richardson
@ 2017-09-04 14:51 ` Bruce Richardson
2017-09-04 14:51 ` Bruce Richardson
3 siblings, 0 replies; 38+ messages in thread
From: Bruce Richardson @ 2017-09-04 14:51 UTC (permalink / raw)
To: Jianfeng Tan
Cc: jerin.jacob, shahafs, dev, john.mcnamara, thomas, xen-devel,
joao.m.martins
On Wed, Aug 30, 2017 at 06:10:31PM +0000, Jianfeng Tan wrote:
> Signed-off-by: Jianfeng Tan <jianfeng.tan@intel.com>
> ---
Acked-by: Bruce Richardson <bruce.richardson@intel.com>
_______________________________________________
Xen-devel mailing list
Xen-devel@lists.xen.org
https://lists.xen.org/xen-devel
^ permalink raw reply [flat|nested] 38+ messages in thread
* Re: [PATCH 4/6] xen: remove xen dependency in drivers, ether, mempool
2017-08-30 18:10 ` [PATCH 4/6] xen: remove xen dependency in drivers, ether, mempool Jianfeng Tan
2017-09-04 14:51 ` [dpdk-dev] " Bruce Richardson
@ 2017-09-04 14:51 ` Bruce Richardson
1 sibling, 0 replies; 38+ messages in thread
From: Bruce Richardson @ 2017-09-04 14:51 UTC (permalink / raw)
To: Jianfeng Tan
Cc: dev, xen-devel, thomas, john.mcnamara, oao.m.martins,
jerin.jacob, shahafs
On Wed, Aug 30, 2017 at 06:10:32PM +0000, Jianfeng Tan wrote:
> Signed-off-by: Jianfeng Tan <jianfeng.tan@intel.com>
> ---
Acked-by: Bruce Richardson <bruce.richardson@intel.com>
^ permalink raw reply [flat|nested] 38+ messages in thread
* Re: [dpdk-dev] [PATCH 4/6] xen: remove xen dependency in drivers, ether, mempool
2017-08-30 18:10 ` [PATCH 4/6] xen: remove xen dependency in drivers, ether, mempool Jianfeng Tan
@ 2017-09-04 14:51 ` Bruce Richardson
2017-09-04 14:51 ` Bruce Richardson
1 sibling, 0 replies; 38+ messages in thread
From: Bruce Richardson @ 2017-09-04 14:51 UTC (permalink / raw)
To: Jianfeng Tan
Cc: jerin.jacob, shahafs, dev, john.mcnamara, oao.m.martins, thomas,
xen-devel
On Wed, Aug 30, 2017 at 06:10:32PM +0000, Jianfeng Tan wrote:
> Signed-off-by: Jianfeng Tan <jianfeng.tan@intel.com>
> ---
Acked-by: Bruce Richardson <bruce.richardson@intel.com>
_______________________________________________
Xen-devel mailing list
Xen-devel@lists.xen.org
https://lists.xen.org/xen-devel
^ permalink raw reply [flat|nested] 38+ messages in thread
* Re: [PATCH 6/6] eal: remove API rte_mem_phy2mch
2017-08-30 18:10 ` [PATCH 6/6] eal: remove API rte_mem_phy2mch Jianfeng Tan
2017-09-04 14:52 ` [dpdk-dev] " Bruce Richardson
@ 2017-09-04 14:52 ` Bruce Richardson
1 sibling, 0 replies; 38+ messages in thread
From: Bruce Richardson @ 2017-09-04 14:52 UTC (permalink / raw)
To: Jianfeng Tan
Cc: dev, xen-devel, thomas, john.mcnamara, joao.m.martins,
jerin.jacob, shahafs
On Wed, Aug 30, 2017 at 06:10:34PM +0000, Jianfeng Tan wrote:
> Previously, to get MFN address in dom0, this API is a wrapper to
> obtain the "physical address".
>
> As we removed xen dom0 support, this API is not necessary.
>
> Signed-off-by: Jianfeng Tan <jianfeng.tan@intel.com>
Acked-by: Bruce Richardson <bruce.richardson@intel.com>
^ permalink raw reply [flat|nested] 38+ messages in thread
* Re: [dpdk-dev] [PATCH 6/6] eal: remove API rte_mem_phy2mch
2017-08-30 18:10 ` [PATCH 6/6] eal: remove API rte_mem_phy2mch Jianfeng Tan
@ 2017-09-04 14:52 ` Bruce Richardson
2017-09-04 14:52 ` Bruce Richardson
1 sibling, 0 replies; 38+ messages in thread
From: Bruce Richardson @ 2017-09-04 14:52 UTC (permalink / raw)
To: Jianfeng Tan
Cc: jerin.jacob, shahafs, dev, john.mcnamara, thomas, xen-devel,
joao.m.martins
On Wed, Aug 30, 2017 at 06:10:34PM +0000, Jianfeng Tan wrote:
> Previously, to get MFN address in dom0, this API is a wrapper to
> obtain the "physical address".
>
> As we removed xen dom0 support, this API is not necessary.
>
> Signed-off-by: Jianfeng Tan <jianfeng.tan@intel.com>
Acked-by: Bruce Richardson <bruce.richardson@intel.com>
_______________________________________________
Xen-devel mailing list
Xen-devel@lists.xen.org
https://lists.xen.org/xen-devel
^ permalink raw reply [flat|nested] 38+ messages in thread
* Re: [PATCH 5/6] eal: remove xen dom0 support
2017-09-04 14:49 ` Bruce Richardson
@ 2017-09-05 3:41 ` Tan, Jianfeng
2017-09-05 7:31 ` [dpdk-dev] " Thomas Monjalon
2017-09-05 7:31 ` Thomas Monjalon
2017-09-05 3:41 ` [dpdk-dev] " Tan, Jianfeng
1 sibling, 2 replies; 38+ messages in thread
From: Tan, Jianfeng @ 2017-09-05 3:41 UTC (permalink / raw)
To: Richardson, Bruce
Cc: dev, xen-devel, thomas, Mcnamara, John, joao.m.martins,
jerin.jacob, shahafs
> -----Original Message-----
> From: Richardson, Bruce
> Sent: Monday, September 4, 2017 10:49 PM
> To: Tan, Jianfeng
> Cc: dev@dpdk.org; xen-devel@lists.xenproject.org; thomas@monjalon.net;
> Mcnamara, John; joao.m.martins@oracle.com;
> jerin.jacob@caviumnetworks.com; shahafs@mellanox.com
> Subject: Re: [dpdk-dev] [PATCH 5/6] eal: remove xen dom0 support
>
> On Mon, Sep 04, 2017 at 03:43:02PM +0100, Bruce Richardson wrote:
> > On Wed, Aug 30, 2017 at 06:10:33PM +0000, Jianfeng Tan wrote:
> > > We remove xen-specific code in EAL, including the option --xen-dom0,
> > > memory initialization code, compiling dependency, etc.
> > >
> > > Besides, related documents are removed or updated.
> > >
> > > Signed-off-by: Jianfeng Tan <jianfeng.tan@intel.com>
> > > ---
> > > MAINTAINERS | 7 -
> > > config/common_base | 5 -
> > > doc/guides/index.rst | 1 -
> > > doc/guides/linux_gsg/build_sample_apps.rst | 5 +-
> > > doc/guides/linux_gsg/sys_reqs.rst | 53 --
> > > doc/guides/prog_guide/source_org.rst | 1 -
> > > doc/guides/rel_notes/deprecation.rst | 3 -
> > > doc/guides/rel_notes/release_17_11.rst | 12 +
> > > doc/guides/testpmd_app_ug/run_app.rst | 4 -
> > > doc/guides/xen/img/dpdk_xen_pkt_switch.png | Bin 163842 -> 0
> bytes
> > > doc/guides/xen/img/grant_refs.png | Bin 6405 -> 0 bytes
> > > doc/guides/xen/img/grant_table.png | Bin 96762 -> 0 bytes
> > > doc/guides/xen/index.rst | 38 -
> > > doc/guides/xen/pkt_switch.rst | 470 -------------
> > > .../bsdapp/eal/include/exec-env/rte_dom0_common.h | 107 ---
> > > lib/librte_eal/common/eal_common_options.c | 3 -
> > > lib/librte_eal/common/eal_internal_cfg.h | 1 -
> > > lib/librte_eal/common/eal_options.h | 2 -
> > > lib/librte_eal/common/include/rte_memory.h | 66 --
> > > lib/librte_eal/linuxapp/Makefile | 2 -
> > > lib/librte_eal/linuxapp/eal/Makefile | 5 +-
> > > lib/librte_eal/linuxapp/eal/eal.c | 24 -
> > > lib/librte_eal/linuxapp/eal/eal_memory.c | 56 --
> > > lib/librte_eal/linuxapp/eal/eal_xen_memory.c | 381 ----------
> > > .../eal/include/exec-env/rte_dom0_common.h | 108 ---
> > > lib/librte_eal/linuxapp/igb_uio/igb_uio.c | 54 --
> > > lib/librte_eal/linuxapp/xen_dom0/Makefile | 53 --
> > > lib/librte_eal/linuxapp/xen_dom0/compat.h | 15 -
> > > lib/librte_eal/linuxapp/xen_dom0/dom0_mm_dev.h | 107 ---
> > > lib/librte_eal/linuxapp/xen_dom0/dom0_mm_misc.c | 780 --------------
> -------
> > > pkg/dpdk.spec | 3 -
> >
> > The xen functions that were removed are still listed in the linux/bsd
> > version.map files. Not an ABI versioning expert, but I believe they
> > should be removed as they are no longer present.
> >
> Reading the contributors guide section on ABI, specifically
> http://dpdk.org/doc/guides/contributing/versioning.html#deprecating-an-
> entire-abi-version
> it seems like we should collapse down the versions to a single one
> following the function removal, and also increment the whole library so
> version.
So for lib/librte_eal/linuxapp/eal/rte_eal_version.map, we should change it in below way?
DPDK_2.1 {
{APIs in DPDK_2.0 except xen APIs}
...
};
DPDK_16.04 {
{APIs in DPDK_2.1 except xen APIs}
...
} DPDK_2.1;
DPDK_16.07 {
...
} DPDK_16.04;
...
^ permalink raw reply [flat|nested] 38+ messages in thread
* Re: [dpdk-dev] [PATCH 5/6] eal: remove xen dom0 support
2017-09-04 14:49 ` Bruce Richardson
2017-09-05 3:41 ` Tan, Jianfeng
@ 2017-09-05 3:41 ` Tan, Jianfeng
1 sibling, 0 replies; 38+ messages in thread
From: Tan, Jianfeng @ 2017-09-05 3:41 UTC (permalink / raw)
To: Richardson, Bruce
Cc: jerin.jacob, shahafs, dev, Mcnamara, John, thomas, xen-devel,
joao.m.martins
> -----Original Message-----
> From: Richardson, Bruce
> Sent: Monday, September 4, 2017 10:49 PM
> To: Tan, Jianfeng
> Cc: dev@dpdk.org; xen-devel@lists.xenproject.org; thomas@monjalon.net;
> Mcnamara, John; joao.m.martins@oracle.com;
> jerin.jacob@caviumnetworks.com; shahafs@mellanox.com
> Subject: Re: [dpdk-dev] [PATCH 5/6] eal: remove xen dom0 support
>
> On Mon, Sep 04, 2017 at 03:43:02PM +0100, Bruce Richardson wrote:
> > On Wed, Aug 30, 2017 at 06:10:33PM +0000, Jianfeng Tan wrote:
> > > We remove xen-specific code in EAL, including the option --xen-dom0,
> > > memory initialization code, compiling dependency, etc.
> > >
> > > Besides, related documents are removed or updated.
> > >
> > > Signed-off-by: Jianfeng Tan <jianfeng.tan@intel.com>
> > > ---
> > > MAINTAINERS | 7 -
> > > config/common_base | 5 -
> > > doc/guides/index.rst | 1 -
> > > doc/guides/linux_gsg/build_sample_apps.rst | 5 +-
> > > doc/guides/linux_gsg/sys_reqs.rst | 53 --
> > > doc/guides/prog_guide/source_org.rst | 1 -
> > > doc/guides/rel_notes/deprecation.rst | 3 -
> > > doc/guides/rel_notes/release_17_11.rst | 12 +
> > > doc/guides/testpmd_app_ug/run_app.rst | 4 -
> > > doc/guides/xen/img/dpdk_xen_pkt_switch.png | Bin 163842 -> 0
> bytes
> > > doc/guides/xen/img/grant_refs.png | Bin 6405 -> 0 bytes
> > > doc/guides/xen/img/grant_table.png | Bin 96762 -> 0 bytes
> > > doc/guides/xen/index.rst | 38 -
> > > doc/guides/xen/pkt_switch.rst | 470 -------------
> > > .../bsdapp/eal/include/exec-env/rte_dom0_common.h | 107 ---
> > > lib/librte_eal/common/eal_common_options.c | 3 -
> > > lib/librte_eal/common/eal_internal_cfg.h | 1 -
> > > lib/librte_eal/common/eal_options.h | 2 -
> > > lib/librte_eal/common/include/rte_memory.h | 66 --
> > > lib/librte_eal/linuxapp/Makefile | 2 -
> > > lib/librte_eal/linuxapp/eal/Makefile | 5 +-
> > > lib/librte_eal/linuxapp/eal/eal.c | 24 -
> > > lib/librte_eal/linuxapp/eal/eal_memory.c | 56 --
> > > lib/librte_eal/linuxapp/eal/eal_xen_memory.c | 381 ----------
> > > .../eal/include/exec-env/rte_dom0_common.h | 108 ---
> > > lib/librte_eal/linuxapp/igb_uio/igb_uio.c | 54 --
> > > lib/librte_eal/linuxapp/xen_dom0/Makefile | 53 --
> > > lib/librte_eal/linuxapp/xen_dom0/compat.h | 15 -
> > > lib/librte_eal/linuxapp/xen_dom0/dom0_mm_dev.h | 107 ---
> > > lib/librte_eal/linuxapp/xen_dom0/dom0_mm_misc.c | 780 --------------
> -------
> > > pkg/dpdk.spec | 3 -
> >
> > The xen functions that were removed are still listed in the linux/bsd
> > version.map files. Not an ABI versioning expert, but I believe they
> > should be removed as they are no longer present.
> >
> Reading the contributors guide section on ABI, specifically
> http://dpdk.org/doc/guides/contributing/versioning.html#deprecating-an-
> entire-abi-version
> it seems like we should collapse down the versions to a single one
> following the function removal, and also increment the whole library so
> version.
So for lib/librte_eal/linuxapp/eal/rte_eal_version.map, we should change it in below way?
DPDK_2.1 {
{APIs in DPDK_2.0 except xen APIs}
...
};
DPDK_16.04 {
{APIs in DPDK_2.1 except xen APIs}
...
} DPDK_2.1;
DPDK_16.07 {
...
} DPDK_16.04;
...
_______________________________________________
Xen-devel mailing list
Xen-devel@lists.xen.org
https://lists.xen.org/xen-devel
^ permalink raw reply [flat|nested] 38+ messages in thread
* Re: [PATCH 5/6] eal: remove xen dom0 support
2017-09-05 3:41 ` Tan, Jianfeng
2017-09-05 7:31 ` [dpdk-dev] " Thomas Monjalon
@ 2017-09-05 7:31 ` Thomas Monjalon
2017-09-05 8:07 ` [dpdk-dev] " Tan, Jianfeng
2017-09-05 8:07 ` Tan, Jianfeng
1 sibling, 2 replies; 38+ messages in thread
From: Thomas Monjalon @ 2017-09-05 7:31 UTC (permalink / raw)
To: Tan, Jianfeng
Cc: Richardson, Bruce, dev, xen-devel, Mcnamara, John,
joao.m.martins, jerin.jacob, shahafs
05/09/2017 05:41, Tan, Jianfeng:
> From: Richardson, Bruce
> >
> > Reading the contributors guide section on ABI, specifically
> > http://dpdk.org/doc/guides/contributing/versioning.html#deprecating-an-
> > entire-abi-version
> > it seems like we should collapse down the versions to a single one
> > following the function removal, and also increment the whole library so
> > version.
>
> So for lib/librte_eal/linuxapp/eal/rte_eal_version.map, we should change it in below way?
>
> DPDK_2.1 {
> {APIs in DPDK_2.0 except xen APIs}
> ...
> };
>
> DPDK_16.04 {
> {APIs in DPDK_2.1 except xen APIs}
> ...
> } DPDK_2.1;
No, you don't need to collapse. You can just remove Xen functions.
^ permalink raw reply [flat|nested] 38+ messages in thread
* Re: [dpdk-dev] [PATCH 5/6] eal: remove xen dom0 support
2017-09-05 3:41 ` Tan, Jianfeng
@ 2017-09-05 7:31 ` Thomas Monjalon
2017-09-05 7:31 ` Thomas Monjalon
1 sibling, 0 replies; 38+ messages in thread
From: Thomas Monjalon @ 2017-09-05 7:31 UTC (permalink / raw)
To: Tan, Jianfeng
Cc: jerin.jacob, shahafs, dev, Richardson, Bruce, Mcnamara, John,
xen-devel, joao.m.martins
05/09/2017 05:41, Tan, Jianfeng:
> From: Richardson, Bruce
> >
> > Reading the contributors guide section on ABI, specifically
> > http://dpdk.org/doc/guides/contributing/versioning.html#deprecating-an-
> > entire-abi-version
> > it seems like we should collapse down the versions to a single one
> > following the function removal, and also increment the whole library so
> > version.
>
> So for lib/librte_eal/linuxapp/eal/rte_eal_version.map, we should change it in below way?
>
> DPDK_2.1 {
> {APIs in DPDK_2.0 except xen APIs}
> ...
> };
>
> DPDK_16.04 {
> {APIs in DPDK_2.1 except xen APIs}
> ...
> } DPDK_2.1;
No, you don't need to collapse. You can just remove Xen functions.
_______________________________________________
Xen-devel mailing list
Xen-devel@lists.xen.org
https://lists.xen.org/xen-devel
^ permalink raw reply [flat|nested] 38+ messages in thread
* Re: [PATCH 5/6] eal: remove xen dom0 support
2017-09-05 7:31 ` Thomas Monjalon
2017-09-05 8:07 ` [dpdk-dev] " Tan, Jianfeng
@ 2017-09-05 8:07 ` Tan, Jianfeng
2017-09-05 8:34 ` [dpdk-dev] " Thomas Monjalon
2017-09-05 8:34 ` Thomas Monjalon
1 sibling, 2 replies; 38+ messages in thread
From: Tan, Jianfeng @ 2017-09-05 8:07 UTC (permalink / raw)
To: Thomas Monjalon
Cc: Richardson, Bruce, dev, xen-devel, Mcnamara, John,
joao.m.martins, jerin.jacob, shahafs
> -----Original Message-----
> From: Thomas Monjalon [mailto:thomas@monjalon.net]
> Sent: Tuesday, September 5, 2017 3:31 PM
> To: Tan, Jianfeng
> Cc: Richardson, Bruce; dev@dpdk.org; xen-devel@lists.xenproject.org;
> Mcnamara, John; joao.m.martins@oracle.com;
> jerin.jacob@caviumnetworks.com; shahafs@mellanox.com
> Subject: Re: [dpdk-dev] [PATCH 5/6] eal: remove xen dom0 support
>
> 05/09/2017 05:41, Tan, Jianfeng:
> > From: Richardson, Bruce
> > >
> > > Reading the contributors guide section on ABI, specifically
> > > http://dpdk.org/doc/guides/contributing/versioning.html#deprecating-
> an-
> > > entire-abi-version
> > > it seems like we should collapse down the versions to a single one
> > > following the function removal, and also increment the whole library so
> > > version.
> >
> > So for lib/librte_eal/linuxapp/eal/rte_eal_version.map, we should change
> it in below way?
> >
> > DPDK_2.1 {
> > {APIs in DPDK_2.0 except xen APIs}
> > ...
> > };
> >
> > DPDK_16.04 {
> > {APIs in DPDK_2.1 except xen APIs}
> > ...
> > } DPDK_2.1;
>
> No, you don't need to collapse. You can just remove Xen functions.
Thanks.
Besides, two more things:
1. Shall we increase the so version?
2. This patch is about 8K lines long, do we need to split?
^ permalink raw reply [flat|nested] 38+ messages in thread
* Re: [dpdk-dev] [PATCH 5/6] eal: remove xen dom0 support
2017-09-05 7:31 ` Thomas Monjalon
@ 2017-09-05 8:07 ` Tan, Jianfeng
2017-09-05 8:07 ` Tan, Jianfeng
1 sibling, 0 replies; 38+ messages in thread
From: Tan, Jianfeng @ 2017-09-05 8:07 UTC (permalink / raw)
To: Thomas Monjalon
Cc: jerin.jacob, shahafs, dev, Richardson, Bruce, Mcnamara, John,
xen-devel, joao.m.martins
> -----Original Message-----
> From: Thomas Monjalon [mailto:thomas@monjalon.net]
> Sent: Tuesday, September 5, 2017 3:31 PM
> To: Tan, Jianfeng
> Cc: Richardson, Bruce; dev@dpdk.org; xen-devel@lists.xenproject.org;
> Mcnamara, John; joao.m.martins@oracle.com;
> jerin.jacob@caviumnetworks.com; shahafs@mellanox.com
> Subject: Re: [dpdk-dev] [PATCH 5/6] eal: remove xen dom0 support
>
> 05/09/2017 05:41, Tan, Jianfeng:
> > From: Richardson, Bruce
> > >
> > > Reading the contributors guide section on ABI, specifically
> > > http://dpdk.org/doc/guides/contributing/versioning.html#deprecating-
> an-
> > > entire-abi-version
> > > it seems like we should collapse down the versions to a single one
> > > following the function removal, and also increment the whole library so
> > > version.
> >
> > So for lib/librte_eal/linuxapp/eal/rte_eal_version.map, we should change
> it in below way?
> >
> > DPDK_2.1 {
> > {APIs in DPDK_2.0 except xen APIs}
> > ...
> > };
> >
> > DPDK_16.04 {
> > {APIs in DPDK_2.1 except xen APIs}
> > ...
> > } DPDK_2.1;
>
> No, you don't need to collapse. You can just remove Xen functions.
Thanks.
Besides, two more things:
1. Shall we increase the so version?
2. This patch is about 8K lines long, do we need to split?
_______________________________________________
Xen-devel mailing list
Xen-devel@lists.xen.org
https://lists.xen.org/xen-devel
^ permalink raw reply [flat|nested] 38+ messages in thread
* Re: [PATCH 5/6] eal: remove xen dom0 support
2017-09-05 8:07 ` Tan, Jianfeng
2017-09-05 8:34 ` [dpdk-dev] " Thomas Monjalon
@ 2017-09-05 8:34 ` Thomas Monjalon
1 sibling, 0 replies; 38+ messages in thread
From: Thomas Monjalon @ 2017-09-05 8:34 UTC (permalink / raw)
To: Tan, Jianfeng
Cc: Richardson, Bruce, dev, xen-devel, Mcnamara, John,
joao.m.martins, jerin.jacob, shahafs
05/09/2017 10:07, Tan, Jianfeng:
> From: Thomas Monjalon [mailto:thomas@monjalon.net]
> > 05/09/2017 05:41, Tan, Jianfeng:
> > > From: Richardson, Bruce
> > > >
> > > > Reading the contributors guide section on ABI, specifically
> > > > http://dpdk.org/doc/guides/contributing/versioning.html#deprecating-
> > an-
> > > > entire-abi-version
> > > > it seems like we should collapse down the versions to a single one
> > > > following the function removal, and also increment the whole library so
> > > > version.
> > >
> > > So for lib/librte_eal/linuxapp/eal/rte_eal_version.map, we should change
> > it in below way?
> > >
> > > DPDK_2.1 {
> > > {APIs in DPDK_2.0 except xen APIs}
> > > ...
> > > };
> > >
> > > DPDK_16.04 {
> > > {APIs in DPDK_2.1 except xen APIs}
> > > ...
> > > } DPDK_2.1;
> >
> > No, you don't need to collapse. You can just remove Xen functions.
>
> Thanks.
>
> Besides, two more things:
> 1. Shall we increase the so version?
Yes
> 2. This patch is about 8K lines long, do we need to split?
I do not know how you can split a removal.
If you have ideas, feel free.
^ permalink raw reply [flat|nested] 38+ messages in thread
* Re: [dpdk-dev] [PATCH 5/6] eal: remove xen dom0 support
2017-09-05 8:07 ` Tan, Jianfeng
@ 2017-09-05 8:34 ` Thomas Monjalon
2017-09-05 8:34 ` Thomas Monjalon
1 sibling, 0 replies; 38+ messages in thread
From: Thomas Monjalon @ 2017-09-05 8:34 UTC (permalink / raw)
To: Tan, Jianfeng
Cc: jerin.jacob, shahafs, dev, Richardson, Bruce, Mcnamara, John,
xen-devel, joao.m.martins
05/09/2017 10:07, Tan, Jianfeng:
> From: Thomas Monjalon [mailto:thomas@monjalon.net]
> > 05/09/2017 05:41, Tan, Jianfeng:
> > > From: Richardson, Bruce
> > > >
> > > > Reading the contributors guide section on ABI, specifically
> > > > http://dpdk.org/doc/guides/contributing/versioning.html#deprecating-
> > an-
> > > > entire-abi-version
> > > > it seems like we should collapse down the versions to a single one
> > > > following the function removal, and also increment the whole library so
> > > > version.
> > >
> > > So for lib/librte_eal/linuxapp/eal/rte_eal_version.map, we should change
> > it in below way?
> > >
> > > DPDK_2.1 {
> > > {APIs in DPDK_2.0 except xen APIs}
> > > ...
> > > };
> > >
> > > DPDK_16.04 {
> > > {APIs in DPDK_2.1 except xen APIs}
> > > ...
> > > } DPDK_2.1;
> >
> > No, you don't need to collapse. You can just remove Xen functions.
>
> Thanks.
>
> Besides, two more things:
> 1. Shall we increase the so version?
Yes
> 2. This patch is about 8K lines long, do we need to split?
I do not know how you can split a removal.
If you have ideas, feel free.
_______________________________________________
Xen-devel mailing list
Xen-devel@lists.xen.org
https://lists.xen.org/xen-devel
^ permalink raw reply [flat|nested] 38+ messages in thread
end of thread, other threads:[~2017-09-05 8:34 UTC | newest]
Thread overview: 38+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2017-08-30 18:10 [PATCH 0/6] remove xen dom0 support in DPDK Jianfeng Tan
2017-08-30 18:10 ` [PATCH 1/6] example/vhost_xen: remove Jianfeng Tan
2017-08-30 18:10 ` Jianfeng Tan
2017-09-04 14:14 ` [dpdk-dev] " Bruce Richardson
2017-09-04 14:14 ` Bruce Richardson
2017-08-30 18:10 ` [PATCH 2/6] net/xenvirt: remove Jianfeng Tan
2017-08-30 18:10 ` Jianfeng Tan
2017-09-04 14:25 ` Bruce Richardson
2017-09-04 14:50 ` Bruce Richardson
2017-09-04 14:50 ` [dpdk-dev] " Bruce Richardson
2017-09-04 14:25 ` Bruce Richardson
2017-08-30 18:10 ` [PATCH 3/6] xen: remove xen dependency in app, examples, test Jianfeng Tan
2017-09-04 14:24 ` [dpdk-dev] " Bruce Richardson
2017-09-04 14:24 ` Bruce Richardson
2017-09-04 14:51 ` [dpdk-dev] " Bruce Richardson
2017-09-04 14:51 ` Bruce Richardson
2017-08-30 18:10 ` Jianfeng Tan
2017-08-30 18:10 ` [PATCH 4/6] xen: remove xen dependency in drivers, ether, mempool Jianfeng Tan
2017-09-04 14:51 ` [dpdk-dev] " Bruce Richardson
2017-09-04 14:51 ` Bruce Richardson
2017-08-30 18:10 ` Jianfeng Tan
2017-08-30 18:10 ` [PATCH 5/6] eal: remove xen dom0 support Jianfeng Tan
2017-09-04 14:43 ` [dpdk-dev] " Bruce Richardson
2017-09-04 14:43 ` Bruce Richardson
2017-09-04 14:49 ` Bruce Richardson
2017-09-05 3:41 ` Tan, Jianfeng
2017-09-05 7:31 ` [dpdk-dev] " Thomas Monjalon
2017-09-05 7:31 ` Thomas Monjalon
2017-09-05 8:07 ` [dpdk-dev] " Tan, Jianfeng
2017-09-05 8:07 ` Tan, Jianfeng
2017-09-05 8:34 ` [dpdk-dev] " Thomas Monjalon
2017-09-05 8:34 ` Thomas Monjalon
2017-09-05 3:41 ` [dpdk-dev] " Tan, Jianfeng
2017-09-04 14:49 ` Bruce Richardson
2017-08-30 18:10 ` [PATCH 6/6] eal: remove API rte_mem_phy2mch Jianfeng Tan
2017-09-04 14:52 ` [dpdk-dev] " Bruce Richardson
2017-09-04 14:52 ` Bruce Richardson
2017-08-31 8:44 ` [PATCH 0/6] remove xen dom0 support in DPDK Wei Liu
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