From mboxrd@z Thu Jan 1 00:00:00 1970 From: Rosen Xu Subject: [PATCH v3 5/6] drivers/raw/ifpga_rawdev: Add Intel FPGA Rawdev Driver Code Date: Wed, 28 Mar 2018 17:29:55 +0800 Message-ID: <1522229396-17898-6-git-send-email-rosen.xu@intel.com> References: <1521553556-62982-1-git-send-email-rosen.xu@intel.com> <1522229396-17898-1-git-send-email-rosen.xu@intel.com> Cc: declan.doherty@intel.com, bruce.richardson@intel.com, shreyansh.jain@nxp.com, tianfei.zhang@intel.com, hao.wu@intel.com, gaetan.rivet@6wind.com, Yanglong Wu To: dev@dpdk.org Return-path: Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by dpdk.org (Postfix) with ESMTP id C8DFA2C36 for ; Wed, 28 Mar 2018 11:27:27 +0200 (CEST) In-Reply-To: <1522229396-17898-1-git-send-email-rosen.xu@intel.com> List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" Signed-off-by: Rosen Xu Signed-off-by: Yanglong Wu --- drivers/raw/Makefile | 1 + drivers/raw/ifpga_rawdev/Makefile | 35 ++ drivers/raw/ifpga_rawdev/ifpga_rawdev.c | 492 +++++++++++++++++++++ drivers/raw/ifpga_rawdev/ifpga_rawdev.h | 37 ++ drivers/raw/ifpga_rawdev/ifpga_rawdev_example.c | 98 ++++ .../raw/ifpga_rawdev/rte_ifpga_rawdev_version.map | 4 + 6 files changed, 667 insertions(+) create mode 100644 drivers/raw/ifpga_rawdev/Makefile create mode 100644 drivers/raw/ifpga_rawdev/ifpga_rawdev.c create mode 100644 drivers/raw/ifpga_rawdev/ifpga_rawdev.h create mode 100644 drivers/raw/ifpga_rawdev/ifpga_rawdev_example.c create mode 100644 drivers/raw/ifpga_rawdev/rte_ifpga_rawdev_version.map diff --git a/drivers/raw/Makefile b/drivers/raw/Makefile index da7c8b4..6fc8f2f 100644 --- a/drivers/raw/Makefile +++ b/drivers/raw/Makefile @@ -5,5 +5,6 @@ include $(RTE_SDK)/mk/rte.vars.mk # DIRS-$() += DIRS-$(CONFIG_RTE_LIBRTE_PMD_SKELETON_RAWDEV) += skeleton_rawdev +DIRS-$(CONFIG_RTE_LIBRTE_IFPGA_RAWDEV) += ifpga_rawdev include $(RTE_SDK)/mk/rte.subdir.mk diff --git a/drivers/raw/ifpga_rawdev/Makefile b/drivers/raw/ifpga_rawdev/Makefile new file mode 100644 index 0000000..b3d1bdb --- /dev/null +++ b/drivers/raw/ifpga_rawdev/Makefile @@ -0,0 +1,35 @@ +# SPDX-License-Identifier: BSD-3-Clause +# Copyright(c) 2017 Intel Corporation + +include $(RTE_SDK)/mk/rte.vars.mk + +# +# library name +# +LIB = librte_ifpga_rawdev.a + +CFLAGS += -DALLOW_EXPERIMENTAL_API +CFLAGS += -O3 +CFLAGS += $(WERROR_FLAGS) +CFLAGS += -I$(RTE_SDK)/drivers/bus/ifpga +CFLAGS += -I$(RTE_SDK)/drivers/raw/ifpga_rawdev +LDLIBS += -lrte_eal +LDLIBS += -lrte_rawdev +LDLIBS += -lrte_bus_vdev +LDLIBS += -lrte_kvargs + +EXPORT_MAP := rte_ifpga_rawdev_version.map + +LIBABIVER := 1 + +VPATH += $(SRCDIR)/base + +include $(RTE_SDK)/drivers/raw/ifpga_rawdev/base/Makefile + +# +# all source are stored in SRCS-y +# +SRCS-$(CONFIG_RTE_LIBRTE_IFPGA_RAWDEV) += ifpga_rawdev.c +SRCS-$(CONFIG_RTE_LIBRTE_IFPGA_RAWDEV) += ifpga_rawdev_example.c + +include $(RTE_SDK)/mk/rte.lib.mk diff --git a/drivers/raw/ifpga_rawdev/ifpga_rawdev.c b/drivers/raw/ifpga_rawdev/ifpga_rawdev.c new file mode 100644 index 0000000..1ce959a --- /dev/null +++ b/drivers/raw/ifpga_rawdev/ifpga_rawdev.c @@ -0,0 +1,492 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2010-2017 Intel Corporation + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include +#include + +#include "base/opae_hw_api.h" +#include "rte_rawdev.h" +#include "rte_rawdev_pmd.h" +#include "rte_bus_ifpga.h" +#include "ifpga_common.h" +#include "ifpga_logs.h" +#include "ifpga_rawdev.h" + +int ifpga_rawdev_logtype; + +#define PCI_VENDOR_ID_INTEL 0x8086 +/* PCI Device ID */ +#define PCIe_DEVICE_ID_RCiEP0_MCP 0xBCBD +#define PCIe_DEVICE_ID_RCiEP0_SKX_P 0xBCC0 +#define PCIe_DEVICE_ID_RCiEP0_DCP 0x09C4 +/* VF Device */ +#define PCIe_DEVICE_ID_VF_MCP 0xBCBF +#define PCIe_DEVICE_ID_VF_SKX_P 0xBCC1 +#define PCIe_DEVICE_ID_VF_DCP 0x09C5 +#define RTE_MAX_RAW_DEVICE 10 + +static const struct rte_pci_id pci_ifpga_map[] = { + { RTE_PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCIe_DEVICE_ID_RCiEP0_MCP) }, + { RTE_PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCIe_DEVICE_ID_VF_MCP) }, + { RTE_PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCIe_DEVICE_ID_RCiEP0_SKX_P) }, + { RTE_PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCIe_DEVICE_ID_VF_SKX_P) }, + { RTE_PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCIe_DEVICE_ID_RCiEP0_DCP) }, + { RTE_PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCIe_DEVICE_ID_VF_DCP) }, + { .vendor_id = 0, /* sentinel */ }, +}; + +static int ifpga_fill_afu_dev(struct opae_accelerator *acc, + struct rte_afu_device *afu_dev) +{ + struct rte_mem_resource *res = afu_dev->mem_resource; + struct opae_acc_region_info region_info; + struct opae_acc_info info; + unsigned long i; + int ret; + + ret = opae_acc_get_info(acc, &info); + if (ret) + return ret; + + if (info.num_regions > PCI_MAX_RESOURCE) + return -EFAULT; + + afu_dev->num_region = info.num_regions; + + for (i = 0; i < info.num_regions; i++) { + region_info.index = i; + ret = opae_acc_get_region_info(acc, ®ion_info); + if (ret) + return ret; + + if ((region_info.flags & ACC_REGION_MMIO) && + (region_info.flags & ACC_REGION_READ) && + (region_info.flags & ACC_REGION_WRITE)) { + res[i].phys_addr = region_info.phys_addr; + res[i].len = region_info.len; + res[i].addr = region_info.addr; + } else + return -EFAULT; + } + + return 0; +} + +static void ifpga_rawdev_info_get(struct rte_rawdev *dev, + rte_rawdev_obj_t dev_info) +{ + struct opae_adapter *adapter; + struct opae_accelerator *acc; + struct rte_afu_device *afu_dev; + + IFPGA_RAWDEV_PMD_FUNC_TRACE(); + + if (!dev_info) { + IFPGA_RAWDEV_PMD_ERR("Invalid request"); + return; + } + + adapter = ifpga_rawdev_get_priv(dev); + if (!adapter) + return; + + afu_dev = dev_info; + afu_dev->rawdev = dev; + + /* find opae_accelerator and fill info into afu_device */ + opae_adapter_for_each_acc(adapter, acc) { + if (acc->index != afu_dev->id.port) + continue; + + if (ifpga_fill_afu_dev(acc, afu_dev)) { + IFPGA_RAWDEV_PMD_ERR("cannot get info\n"); + return; + } + } +} + +static int ifpga_rawdev_start(struct rte_rawdev *dev) +{ + int ret = 0; + struct opae_adapter *adapter; + + IFPGA_RAWDEV_PMD_FUNC_TRACE(); + + RTE_FUNC_PTR_OR_ERR_RET(dev, -EINVAL); + + adapter = ifpga_rawdev_get_priv(dev); + if (!adapter) + return -ENODEV; + + return ret; +} + +static void ifpga_rawdev_stop(struct rte_rawdev *dev) +{ + dev->started = 0; +} + +static int ifpga_rawdev_close(struct rte_rawdev *dev) +{ + if (!dev) + return 1; + else + return 0; +} + +static int ifpga_rawdev_reset(struct rte_rawdev *dev) +{ + if (!dev) + return 1; + else + return 0; +} + +static int +fpga_pr(struct rte_rawdev *raw_dev, u32 port_id, u64 *buffer, u32 size, + u64 *status){ + + struct opae_adapter *adapter; + struct opae_manager *mgr; + struct opae_accelerator *acc; + struct opae_bridge *br; + int ret; + + adapter = ifpga_rawdev_get_priv(raw_dev); + if (!adapter) + return -ENODEV; + + mgr = opae_adapter_get_mgr(adapter); + if (!mgr) + return -ENODEV; + + acc = opae_adapter_get_acc(adapter, port_id); + if (!acc) + return -ENODEV; + + br = opae_acc_get_br(acc); + if (!br) + return -ENODEV; + + ret = opae_manager_flash(mgr, port_id, buffer, size, status); + if (ret) { + printf("%s pr error %d\n", __func__, ret); + return ret; + } + + usleep(100); + ret = opae_bridge_reset(br); + if (ret) { + printf("%s reset port:%d error %d\n", __func__, port_id, ret); + return ret; + } + + return ret; +} + +static int rte_fpga_do_pr(struct rte_rawdev *rawdev, int port_id, + const char *file_name) +{ + struct stat file_stat; + int file_fd; + int ret = 0; + u32 buffer_size; + void *buffer; + u64 pr_error; + + if (!file_name) + return -EINVAL; + + file_fd = open(file_name, O_RDONLY); + if (file_fd < 0) { + printf("%s: open file error: %s\n", __func__, file_name); + printf("Message : %s\n", strerror(errno)); + return -EINVAL; + } + ret = stat(file_name, &file_stat); + if (ret) { + printf("stat on bitstream file failed: %s\n", file_name); + return -EINVAL; + } + buffer_size = file_stat.st_size; + printf("bitstream file size: %u\n", buffer_size); + buffer = rte_malloc(NULL, buffer_size, 0); + if (!buffer) { + ret = -ENOMEM; + goto close_fd; + } + + /*read the raw data*/ + if (buffer_size != read(file_fd, (void *)buffer, buffer_size)) { + ret = -EINVAL; + goto free_buffer; + } + + /*do PR now*/ + ret = fpga_pr(rawdev, port_id, buffer, buffer_size, &pr_error); + printf("downloading to device port %d....%s.\n", port_id, + ret ? "failed" : "success"); + if (ret) { + ret = -EINVAL; + //raw_dev->ops->show_pr_error(pr_error); + goto free_buffer; + } + +free_buffer: + if (buffer) + rte_free(buffer); +close_fd: + close(file_fd); + file_fd = 0; + return ret; +} + +static int ifpga_rawdev_pr(struct rte_rawdev *dev, + rte_rawdev_obj_t pr_conf) +{ + struct opae_adapter *adapter; + struct rte_afu_pr_conf *afu_pr_conf; + int ret; + + IFPGA_RAWDEV_PMD_FUNC_TRACE(); + + adapter = ifpga_rawdev_get_priv(dev); + if (!adapter) + return -ENODEV; + + if (!pr_conf) + return -EINVAL; + + afu_pr_conf = pr_conf; + + ret = rte_fpga_do_pr(dev, afu_pr_conf->afu_id.port, + afu_pr_conf->bs_path); + if (ret) { + printf("===do pr error %d\n", ret); + return ret; + } + + return 0; +} + +static const struct rte_rawdev_ops ifpga_rawdev_ops = { + .dev_info_get = ifpga_rawdev_info_get, + .dev_configure = NULL, + .dev_start = ifpga_rawdev_start, + .dev_stop = ifpga_rawdev_stop, + .dev_close = ifpga_rawdev_close, + .dev_reset = ifpga_rawdev_reset, + + .queue_def_conf = NULL, + .queue_setup = NULL, + .queue_release = NULL, + + .attr_get = NULL, + .attr_set = NULL, + + .enqueue_bufs = NULL, + .dequeue_bufs = NULL, + + .dump = NULL, + + .xstats_get = NULL, + .xstats_get_names = NULL, + .xstats_get_by_name = NULL, + .xstats_reset = NULL, + + .firmware_status_get = NULL, + .firmware_version_get = NULL, + .firmware_load = ifpga_rawdev_pr, + .firmware_unload = NULL, + + .dev_selftest = NULL, +}; + +static int +ifpga_rawdev_create(struct rte_pci_device *pci_dev, + int socket_id) +{ + int ret = 0; + struct rte_devargs *devargs; + struct rte_rawdev *rawdev = NULL; + struct opae_adapter *adapter; + struct opae_manager *mgr; + struct opae_adapter_data_pci *data; + char name[RTE_RAWDEV_NAME_MAX_LEN]; + int i; + + if (!pci_dev) { + IFPGA_RAWDEV_PMD_ERR("Invalid pci_dev of the device!"); + ret = -EINVAL; + goto cleanup; + } + + memset(name, 0, sizeof(name)); + snprintf(name, RTE_RAWDEV_NAME_MAX_LEN, "IFPGA:%x:%x:%x", + pci_dev->addr.bus, pci_dev->addr.devid, pci_dev->addr.function); + + IFPGA_RAWDEV_PMD_INFO("Init %s on NUMA node %d", name, rte_socket_id()); + + /* Allocate device structure */ + rawdev = rte_rawdev_pmd_allocate(name, sizeof(struct opae_adapter), + socket_id); + if (rawdev == NULL) { + IFPGA_RAWDEV_PMD_ERR("Unable to allocate rawdevice"); + ret = -EINVAL; + goto cleanup; + } + + /* alloc OPAE_FPGA_PCI data to register to OPAE hardware level API */ + data = opae_adapter_data_alloc(OPAE_FPGA_PCI); + if (!data) + return -ENOMEM; + + /* init opae_adapter_data_pci for device specific information */ + for (i = 0; i < PCI_MAX_RESOURCE; i++) { + data->region[i].phys_addr = pci_dev->mem_resource[i].phys_addr; + data->region[i].len = pci_dev->mem_resource[i].len; + data->region[i].addr = pci_dev->mem_resource[i].addr; + } + data->device_id = pci_dev->id.device_id; + data->vendor_id = pci_dev->id.vendor_id; + + /* create a opae_adapter based on above device data */ + adapter = opae_adapter_alloc(pci_dev->device.name, data); + if (!adapter) { + opae_adapter_data_free(data); + return -ENOMEM; + } + + rawdev->dev_ops = &ifpga_rawdev_ops; + rawdev->device = &pci_dev->device; + rawdev->driver_name = pci_dev->device.driver->name; + + rawdev->dev_private = adapter; + + /* must enumerate the adapter before use it */ + ret = opae_adapter_enumerate(adapter); + if (ret) + return ret; + + /* set opae_manager to rawdev */ + mgr = opae_adapter_get_mgr(adapter); + if (mgr) { + /*PF function*/ + IFPGA_RAWDEV_PMD_INFO("this is a PF function"); + } + + TAILQ_FOREACH(devargs, &devargs_list, next) { + if (strcmp(devargs->bus->name, RTE_STR(IFPGA_BUS_NAME))) + continue; + ret = rte_eal_hotplug_add(RTE_STR(IFPGA_BUS_NAME), + devargs->name, + devargs->args); + } + + return ret; + +cleanup: + if (rawdev) + rte_rawdev_pmd_release(rawdev); + + return ret; +} + +static int +ifpga_rawdev_destroy(struct rte_pci_device *pci_dev) +{ + int ret; + struct rte_rawdev *rawdev; + char name[RTE_RAWDEV_NAME_MAX_LEN]; + struct opae_adapter *adapter; + + if (!pci_dev) { + IFPGA_RAWDEV_PMD_ERR("Invalid pci_dev of the device!"); + ret = -EINVAL; + return ret; + } + + memset(name, 0, sizeof(name)); + snprintf(name, RTE_RAWDEV_NAME_MAX_LEN, "IFPGA:%x:%x:%x", + pci_dev->addr.bus, pci_dev->addr.devid, pci_dev->addr.function); + + IFPGA_RAWDEV_PMD_INFO("Closing %s on NUMA node %d", + name, rte_socket_id()); + + rawdev = rte_rawdev_pmd_get_named_dev(name); + if (!rawdev) { + IFPGA_RAWDEV_PMD_ERR("Invalid device name (%s)", name); + return -EINVAL; + } + + adapter = ifpga_rawdev_get_priv(rawdev); + if (!adapter) + return -ENODEV; + + opae_adapter_data_free(adapter->data); + opae_adapter_free(adapter); + + /* rte_rawdev_close is called by pmd_release */ + ret = rte_rawdev_pmd_release(rawdev); + if (ret) + IFPGA_RAWDEV_PMD_DEBUG("Device cleanup failed"); + + return 0; +} + +static int +ifpga_rawdev_pci_probe(struct rte_pci_driver *pci_drv __rte_unused, + struct rte_pci_device *pci_dev) +{ + + printf("## %s\n", __func__); + return ifpga_rawdev_create(pci_dev, rte_socket_id()); +} + +static int ifpga_rawdev_pci_remove(struct rte_pci_device *pci_dev) +{ + return ifpga_rawdev_destroy(pci_dev); +} + +static struct rte_pci_driver rte_ifpga_rawdev_pmd = { + .id_table = pci_ifpga_map, + .drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_INTR_LSC, + .probe = ifpga_rawdev_pci_probe, + .remove = ifpga_rawdev_pci_remove, +}; + +RTE_PMD_REGISTER_PCI(ifpga_rawdev_pci_driver, rte_ifpga_rawdev_pmd); +RTE_PMD_REGISTER_PCI_TABLE(ifpga_rawdev_pci_driver, rte_ifpga_rawdev_pmd); +RTE_PMD_REGISTER_KMOD_DEP(ifpga_rawdev_pci_driver, "* igb_uio | uio_pci_generic | vfio-pci"); + +RTE_INIT(ifpga_rawdev_init_log); +static void +ifpga_rawdev_init_log(void) +{ + ifpga_rawdev_logtype = rte_log_register("driver.raw.init"); + if (ifpga_rawdev_logtype >= 0) + rte_log_set_level(ifpga_rawdev_logtype, RTE_LOG_NOTICE); +} diff --git a/drivers/raw/ifpga_rawdev/ifpga_rawdev.h b/drivers/raw/ifpga_rawdev/ifpga_rawdev.h new file mode 100644 index 0000000..f262180 --- /dev/null +++ b/drivers/raw/ifpga_rawdev/ifpga_rawdev.h @@ -0,0 +1,37 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2010-2017 Intel Corporation + */ + +#ifndef _IFPGA_RAWDEV_H_ +#define _IFPGA_RAWDEV_H_ + +extern int ifpga_rawdev_logtype; + +#define IFPGA_RAWDEV_PMD_LOG(level, fmt, args...) \ + rte_log(RTE_LOG_ ## level, ifpga_rawdev_logtype, "%s(): " fmt "\n", \ + __func__, ##args) + +#define IFPGA_RAWDEV_PMD_FUNC_TRACE() IFPGA_RAWDEV_PMD_LOG(DEBUG, ">>") + +#define IFPGA_RAWDEV_PMD_DEBUG(fmt, args...) \ + IFPGA_RAWDEV_PMD_LOG(DEBUG, fmt, ## args) +#define IFPGA_RAWDEV_PMD_INFO(fmt, args...) \ + IFPGA_RAWDEV_PMD_LOG(INFO, fmt, ## args) +#define IFPGA_RAWDEV_PMD_ERR(fmt, args...) \ + IFPGA_RAWDEV_PMD_LOG(ERR, fmt, ## args) +#define IFPGA_RAWDEV_PMD_WARN(fmt, args...) \ + IFPGA_RAWDEV_PMD_LOG(WARNING, fmt, ## args) + +enum ifpga_rawdev_device_state { + IFPGA_IDLE, + IFPGA_READY, + IFPGA_ERROR +}; + +static inline struct opae_adapter * +ifpga_rawdev_get_priv(const struct rte_rawdev *rawdev) +{ + return rawdev->dev_private; +} + +#endif /* _IFPGA_RAWDEV_H_ */ diff --git a/drivers/raw/ifpga_rawdev/ifpga_rawdev_example.c b/drivers/raw/ifpga_rawdev/ifpga_rawdev_example.c new file mode 100644 index 0000000..5f8d78f --- /dev/null +++ b/drivers/raw/ifpga_rawdev/ifpga_rawdev_example.c @@ -0,0 +1,98 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2010-2017 Intel Corporation + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include + +#include +#include +#include +#include + +#include "rte_bus_ifpga.h" +#include "ifpga_logs.h" + +#define RTE_PMD_REGISTER_AFU(nm, afudrv)\ +RTE_INIT(afudrvinitfn_ ##afudrv);\ +static const char *afudrvinit_ ## nm ## _alias;\ +static void afudrvinitfn_ ##afudrv(void)\ +{\ + (afudrv).driver.name = RTE_STR(nm);\ + (afudrv).driver.alias = afudrvinit_ ## nm ## _alias;\ + rte_ifpga_driver_register(&afudrv);\ +} \ +RTE_PMD_EXPORT_NAME(nm, __COUNTER__) + +#define RTE_PMD_REGISTER_AFU_ALIAS(nm, alias)\ +static const char *afudrvinit_ ## nm ## _alias = RTE_STR(alias) + +static int afu_dev_probe(struct rte_afu_device *afu_dev) +{ + if (!afu_dev) + return 1; + else + return 0; +} +static int afu_dev_remove(struct rte_afu_device *afu_dev) +{ + if (!afu_dev) + return 1; + else + return 0; +} + +static struct rte_afu_driver afu_dev_driver = { + .probe = afu_dev_probe, + .remove = afu_dev_remove, +}; + +RTE_PMD_REGISTER_AFU(net_afu_drv_example, afu_dev_driver); +RTE_PMD_REGISTER_AFU_ALIAS(net_afu_drv_example, afu_dev); +RTE_PMD_REGISTER_PARAM_STRING(net_afu_drv_example, + "bdf= " + "port= " + "uudi_high= " + "uuid_low= " + "path= " + "pr_enable=" + "debug="); diff --git a/drivers/raw/ifpga_rawdev/rte_ifpga_rawdev_version.map b/drivers/raw/ifpga_rawdev/rte_ifpga_rawdev_version.map new file mode 100644 index 0000000..9b9ab1a --- /dev/null +++ b/drivers/raw/ifpga_rawdev/rte_ifpga_rawdev_version.map @@ -0,0 +1,4 @@ +DPDK_18.05 { + + local: *; +}; -- 1.8.3.1