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From: Chengwen Feng <fengchengwen@huawei.com>
To: <thomas@monjalon.net>, <ferruh.yigit@intel.com>,
	<bruce.richardson@intel.com>, <jerinj@marvell.com>,
	<jerinjacobk@gmail.com>, <andrew.rybchenko@oktetlabs.ru>
Cc: <dev@dpdk.org>, <mb@smartsharesystems.com>, <nipun.gupta@nxp.com>,
	<hemant.agrawal@nxp.com>, <maxime.coquelin@redhat.com>,
	<honnappa.nagarahalli@arm.com>, <david.marchand@redhat.com>,
	<sburla@marvell.com>, <pkapoor@marvell.com>,
	<konstantin.ananyev@intel.com>, <conor.walsh@intel.com>
Subject: [dpdk-dev] [PATCH v19 4/7] dmadev: introduce DMA device library implementation
Date: Thu, 2 Sep 2021 21:13:12 +0800	[thread overview]
Message-ID: <1630588395-2804-5-git-send-email-fengchengwen@huawei.com> (raw)
In-Reply-To: <1630588395-2804-1-git-send-email-fengchengwen@huawei.com>

This patch introduce DMA device library implementation which includes
configuration and I/O with the DMA devices.

Signed-off-by: Chengwen Feng <fengchengwen@huawei.com>
Acked-by: Bruce Richardson <bruce.richardson@intel.com>
Acked-by: Morten Brørup <mb@smartsharesystems.com>
---
 config/rte_config.h          |   3 +
 lib/dmadev/meson.build       |   1 +
 lib/dmadev/rte_dmadev.c      | 614 +++++++++++++++++++++++++++++++++++++++++++
 lib/dmadev/rte_dmadev.h      | 118 ++++++++-
 lib/dmadev/rte_dmadev_core.h |   2 +
 lib/dmadev/version.map       |   1 +
 6 files changed, 727 insertions(+), 12 deletions(-)
 create mode 100644 lib/dmadev/rte_dmadev.c

diff --git a/config/rte_config.h b/config/rte_config.h
index 590903c..331a431 100644
--- a/config/rte_config.h
+++ b/config/rte_config.h
@@ -81,6 +81,9 @@
 /* rawdev defines */
 #define RTE_RAWDEV_MAX_DEVS 64
 
+/* dmadev defines */
+#define RTE_DMADEV_MAX_DEVS 64
+
 /* ip_fragmentation defines */
 #define RTE_LIBRTE_IP_FRAG_MAX_FRAG 4
 #undef RTE_LIBRTE_IP_FRAG_TBL_STAT
diff --git a/lib/dmadev/meson.build b/lib/dmadev/meson.build
index 833baf7..d2fc85e 100644
--- a/lib/dmadev/meson.build
+++ b/lib/dmadev/meson.build
@@ -1,6 +1,7 @@
 # SPDX-License-Identifier: BSD-3-Clause
 # Copyright(c) 2021 HiSilicon Limited.
 
+sources = files('rte_dmadev.c')
 headers = files('rte_dmadev.h')
 indirect_headers += files('rte_dmadev_core.h')
 driver_sdk_headers += files('rte_dmadev_pmd.h')
diff --git a/lib/dmadev/rte_dmadev.c b/lib/dmadev/rte_dmadev.c
new file mode 100644
index 0000000..877eead
--- /dev/null
+++ b/lib/dmadev/rte_dmadev.c
@@ -0,0 +1,614 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2021 HiSilicon Limited.
+ * Copyright(c) 2021 Intel Corporation.
+ */
+
+#include <ctype.h>
+#include <inttypes.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <rte_debug.h>
+#include <rte_dev.h>
+#include <rte_eal.h>
+#include <rte_errno.h>
+#include <rte_lcore.h>
+#include <rte_log.h>
+#include <rte_memory.h>
+#include <rte_memzone.h>
+#include <rte_malloc.h>
+#include <rte_string_fns.h>
+
+#include "rte_dmadev.h"
+#include "rte_dmadev_pmd.h"
+
+struct rte_dmadev rte_dmadevices[RTE_DMADEV_MAX_DEVS];
+
+static const char *mz_rte_dmadev_data = "rte_dmadev_data";
+/* Shared memory between primary and secondary processes. */
+static struct {
+	struct rte_dmadev_data data[RTE_DMADEV_MAX_DEVS];
+} *dmadev_shared_data;
+
+RTE_LOG_REGISTER_DEFAULT(rte_dmadev_logtype, INFO);
+#define RTE_DMADEV_LOG(level, fmt, args...) \
+	rte_log(RTE_LOG_ ## level, rte_dmadev_logtype, "%s(): " fmt "\n", \
+		__func__, ##args)
+
+/* Macros to check for valid device id */
+#define RTE_DMADEV_VALID_DEV_ID_OR_ERR_RET(dev_id, retval) do { \
+	if (!rte_dmadev_is_valid_dev(dev_id)) { \
+		RTE_DMADEV_LOG(ERR, "Invalid dev_id=%u", dev_id); \
+		return retval; \
+	} \
+} while (0)
+
+static int
+dmadev_check_name(const char *name)
+{
+	size_t name_len;
+
+	if (name == NULL) {
+		RTE_DMADEV_LOG(ERR, "Name can't be NULL");
+		return -EINVAL;
+	}
+
+	name_len = strnlen(name, RTE_DMADEV_NAME_MAX_LEN);
+	if (name_len == 0) {
+		RTE_DMADEV_LOG(ERR, "Zero length DMA device name");
+		return -EINVAL;
+	}
+	if (name_len >= RTE_DMADEV_NAME_MAX_LEN) {
+		RTE_DMADEV_LOG(ERR, "DMA device name is too long");
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static uint16_t
+dmadev_find_free_dev(void)
+{
+	uint16_t i;
+
+	for (i = 0; i < RTE_DMADEV_MAX_DEVS; i++) {
+		if (dmadev_shared_data->data[i].dev_name[0] == '\0')
+			return i;
+	}
+
+	return RTE_DMADEV_MAX_DEVS;
+}
+
+static struct rte_dmadev*
+dmadev_find(const char *name)
+{
+	uint16_t i;
+
+	for (i = 0; i < RTE_DMADEV_MAX_DEVS; i++) {
+		if ((rte_dmadevices[i].state == RTE_DMADEV_ATTACHED) &&
+		    (!strcmp(name, rte_dmadevices[i].data->dev_name)))
+			return &rte_dmadevices[i];
+	}
+
+	return NULL;
+}
+
+static int
+dmadev_shared_data_prepare(void)
+{
+	const struct rte_memzone *mz;
+
+	if (dmadev_shared_data == NULL) {
+		if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
+			/* Allocate port data and ownership shared memory. */
+			mz = rte_memzone_reserve(mz_rte_dmadev_data,
+					 sizeof(*dmadev_shared_data),
+					 rte_socket_id(), 0);
+		} else
+			mz = rte_memzone_lookup(mz_rte_dmadev_data);
+		if (mz == NULL)
+			return -ENOMEM;
+
+		dmadev_shared_data = mz->addr;
+		if (rte_eal_process_type() == RTE_PROC_PRIMARY)
+			memset(dmadev_shared_data->data, 0,
+			       sizeof(dmadev_shared_data->data));
+	}
+
+	return 0;
+}
+
+static struct rte_dmadev *
+dmadev_allocate(const char *name)
+{
+	struct rte_dmadev *dev;
+	uint16_t dev_id;
+
+	dev = dmadev_find(name);
+	if (dev != NULL) {
+		RTE_DMADEV_LOG(ERR, "DMA device already allocated");
+		return NULL;
+	}
+
+	if (dmadev_shared_data_prepare() != 0) {
+		RTE_DMADEV_LOG(ERR, "Cannot allocate DMA shared data");
+		return NULL;
+	}
+
+	dev_id = dmadev_find_free_dev();
+	if (dev_id == RTE_DMADEV_MAX_DEVS) {
+		RTE_DMADEV_LOG(ERR, "Reached maximum number of DMA devices");
+		return NULL;
+	}
+
+	dev = &rte_dmadevices[dev_id];
+	dev->data = &dmadev_shared_data->data[dev_id];
+	dev->data->dev_id = dev_id;
+	rte_strscpy(dev->data->dev_name, name, sizeof(dev->data->dev_name));
+
+	return dev;
+}
+
+static struct rte_dmadev *
+dmadev_attach_secondary(const char *name)
+{
+	struct rte_dmadev *dev;
+	uint16_t i;
+
+	if (dmadev_shared_data_prepare() != 0) {
+		RTE_DMADEV_LOG(ERR, "Cannot allocate DMA shared data");
+		return NULL;
+	}
+
+	for (i = 0; i < RTE_DMADEV_MAX_DEVS; i++) {
+		if (!strcmp(dmadev_shared_data->data[i].dev_name, name))
+			break;
+	}
+	if (i == RTE_DMADEV_MAX_DEVS) {
+		RTE_DMADEV_LOG(ERR,
+			"Device %s is not driven by the primary process",
+			name);
+		return NULL;
+	}
+
+	dev = &rte_dmadevices[i];
+	dev->data = &dmadev_shared_data->data[i];
+	dev->dev_private = dev->data->dev_private;
+
+	return dev;
+}
+
+struct rte_dmadev *
+rte_dmadev_pmd_allocate(const char *name)
+{
+	struct rte_dmadev *dev;
+
+	if (dmadev_check_name(name) != 0)
+		return NULL;
+
+	if (rte_eal_process_type() == RTE_PROC_PRIMARY)
+		dev = dmadev_allocate(name);
+	else
+		dev = dmadev_attach_secondary(name);
+
+	if (dev == NULL)
+		return NULL;
+	dev->state = RTE_DMADEV_ATTACHED;
+
+	return dev;
+}
+
+int
+rte_dmadev_pmd_release(struct rte_dmadev *dev)
+{
+	void *dev_private_tmp;
+
+	if (dev == NULL)
+		return -EINVAL;
+
+	if (dev->state == RTE_DMADEV_UNUSED)
+		return 0;
+
+	if (rte_eal_process_type() == RTE_PROC_PRIMARY)
+		memset(dev->data, 0, sizeof(struct rte_dmadev_data));
+
+	dev_private_tmp = dev->dev_private;
+	memset(dev, 0, sizeof(struct rte_dmadev));
+	if (rte_eal_process_type() == RTE_PROC_PRIMARY)
+		dev->dev_private = dev_private_tmp;
+	dev->state = RTE_DMADEV_UNUSED;
+
+	return 0;
+}
+
+struct rte_dmadev *
+rte_dmadev_get_device_by_name(const char *name)
+{
+	if (dmadev_check_name(name) != 0)
+		return NULL;
+	return dmadev_find(name);
+}
+
+int
+rte_dmadev_get_dev_id(const char *name)
+{
+	struct rte_dmadev *dev = rte_dmadev_get_device_by_name(name);
+	if (dev != NULL)
+		return dev->data->dev_id;
+	return -EINVAL;
+}
+
+bool
+rte_dmadev_is_valid_dev(uint16_t dev_id)
+{
+	return (dev_id < RTE_DMADEV_MAX_DEVS) &&
+		rte_dmadevices[dev_id].state == RTE_DMADEV_ATTACHED;
+}
+
+uint16_t
+rte_dmadev_count(void)
+{
+	uint16_t count = 0;
+	uint16_t i;
+
+	for (i = 0; i < RTE_DMADEV_MAX_DEVS; i++) {
+		if (rte_dmadevices[i].state == RTE_DMADEV_ATTACHED)
+			count++;
+	}
+
+	return count;
+}
+
+int
+rte_dmadev_info_get(uint16_t dev_id, struct rte_dmadev_info *dev_info)
+{
+	const struct rte_dmadev *dev = &rte_dmadevices[dev_id];
+	int ret;
+
+	RTE_DMADEV_VALID_DEV_ID_OR_ERR_RET(dev_id, -EINVAL);
+	if (dev_info == NULL)
+		return -EINVAL;
+
+	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_info_get, -ENOTSUP);
+	memset(dev_info, 0, sizeof(struct rte_dmadev_info));
+	ret = (*dev->dev_ops->dev_info_get)(dev, dev_info,
+					    sizeof(struct rte_dmadev_info));
+	if (ret != 0)
+		return ret;
+
+	dev_info->device = dev->device;
+	dev_info->nb_vchans = dev->data->dev_conf.nb_vchans;
+
+	return 0;
+}
+
+int
+rte_dmadev_configure(uint16_t dev_id, const struct rte_dmadev_conf *dev_conf)
+{
+	struct rte_dmadev *dev = &rte_dmadevices[dev_id];
+	struct rte_dmadev_info info;
+	int ret;
+
+	RTE_DMADEV_VALID_DEV_ID_OR_ERR_RET(dev_id, -EINVAL);
+	if (dev_conf == NULL)
+		return -EINVAL;
+
+	if (dev->data->dev_started != 0) {
+		RTE_DMADEV_LOG(ERR,
+			"Device %u must be stopped to allow configuration",
+			dev_id);
+		return -EBUSY;
+	}
+
+	ret = rte_dmadev_info_get(dev_id, &info);
+	if (ret != 0) {
+		RTE_DMADEV_LOG(ERR, "Device %u get device info fail", dev_id);
+		return -EINVAL;
+	}
+	if (dev_conf->nb_vchans == 0) {
+		RTE_DMADEV_LOG(ERR,
+			"Device %u configure zero vchans", dev_id);
+		return -EINVAL;
+	}
+	if (dev_conf->nb_vchans > info.max_vchans) {
+		RTE_DMADEV_LOG(ERR,
+			"Device %u configure too many vchans", dev_id);
+		return -EINVAL;
+	}
+	if (dev_conf->enable_silent &&
+	    !(info.dev_capa & RTE_DMADEV_CAPA_SILENT)) {
+		RTE_DMADEV_LOG(ERR, "Device %u don't support silent", dev_id);
+		return -EINVAL;
+	}
+
+	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_configure, -ENOTSUP);
+	ret = (*dev->dev_ops->dev_configure)(dev, dev_conf);
+	if (ret == 0)
+		memcpy(&dev->data->dev_conf, dev_conf, sizeof(*dev_conf));
+
+	return ret;
+}
+
+int
+rte_dmadev_start(uint16_t dev_id)
+{
+	struct rte_dmadev *dev = &rte_dmadevices[dev_id];
+	int ret;
+
+	RTE_DMADEV_VALID_DEV_ID_OR_ERR_RET(dev_id, -EINVAL);
+
+	if (dev->data->dev_conf.nb_vchans == 0) {
+		RTE_DMADEV_LOG(ERR, "Device %u must be configured first",
+			dev_id);
+		return -EINVAL;
+	}
+
+	if (dev->data->dev_started != 0) {
+		RTE_DMADEV_LOG(WARNING, "Device %u already started", dev_id);
+		return 0;
+	}
+
+	if (dev->dev_ops->dev_start == NULL)
+		goto mark_started;
+
+	ret = (*dev->dev_ops->dev_start)(dev);
+	if (ret != 0)
+		return ret;
+
+mark_started:
+	dev->data->dev_started = 1;
+	return 0;
+}
+
+int
+rte_dmadev_stop(uint16_t dev_id)
+{
+	struct rte_dmadev *dev = &rte_dmadevices[dev_id];
+	int ret;
+
+	RTE_DMADEV_VALID_DEV_ID_OR_ERR_RET(dev_id, -EINVAL);
+
+	if (dev->data->dev_started == 0) {
+		RTE_DMADEV_LOG(WARNING, "Device %u already stopped", dev_id);
+		return 0;
+	}
+
+	if (dev->dev_ops->dev_stop == NULL)
+		goto mark_stopped;
+
+	ret = (*dev->dev_ops->dev_stop)(dev);
+	if (ret != 0)
+		return ret;
+
+mark_stopped:
+	dev->data->dev_started = 0;
+	return 0;
+}
+
+int
+rte_dmadev_close(uint16_t dev_id)
+{
+	struct rte_dmadev *dev = &rte_dmadevices[dev_id];
+
+	RTE_DMADEV_VALID_DEV_ID_OR_ERR_RET(dev_id, -EINVAL);
+
+	/* Device must be stopped before it can be closed */
+	if (dev->data->dev_started == 1) {
+		RTE_DMADEV_LOG(ERR,
+			"Device %u must be stopped before closing", dev_id);
+		return -EBUSY;
+	}
+
+	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_close, -ENOTSUP);
+	return (*dev->dev_ops->dev_close)(dev);
+}
+
+int
+rte_dmadev_vchan_setup(uint16_t dev_id, uint16_t vchan,
+		       const struct rte_dmadev_vchan_conf *conf)
+{
+	struct rte_dmadev *dev = &rte_dmadevices[dev_id];
+	struct rte_dmadev_info info;
+	bool src_is_dev, dst_is_dev;
+	int ret;
+
+	RTE_DMADEV_VALID_DEV_ID_OR_ERR_RET(dev_id, -EINVAL);
+	if (conf == NULL)
+		return -EINVAL;
+
+	if (dev->data->dev_started != 0) {
+		RTE_DMADEV_LOG(ERR,
+			"Device %u must be stopped to allow configuration",
+			dev_id);
+		return -EBUSY;
+	}
+
+	ret = rte_dmadev_info_get(dev_id, &info);
+	if (ret != 0) {
+		RTE_DMADEV_LOG(ERR, "Device %u get device info fail", dev_id);
+		return -EINVAL;
+	}
+	if (dev->data->dev_conf.nb_vchans == 0) {
+		RTE_DMADEV_LOG(ERR, "Device %u must be configured first",
+			dev_id);
+		return -EINVAL;
+	}
+	if (vchan >= info.nb_vchans) {
+		RTE_DMADEV_LOG(ERR, "Device %u vchan out range!", dev_id);
+		return -EINVAL;
+	}
+	if (conf->direction != RTE_DMA_DIR_MEM_TO_MEM &&
+	    conf->direction != RTE_DMA_DIR_MEM_TO_DEV &&
+	    conf->direction != RTE_DMA_DIR_DEV_TO_MEM &&
+	    conf->direction != RTE_DMA_DIR_DEV_TO_DEV) {
+		RTE_DMADEV_LOG(ERR, "Device %u direction invalid!", dev_id);
+		return -EINVAL;
+	}
+	if (conf->direction == RTE_DMA_DIR_MEM_TO_MEM &&
+	    !(info.dev_capa & RTE_DMADEV_CAPA_MEM_TO_MEM)) {
+		RTE_DMADEV_LOG(ERR,
+			"Device %u don't support mem2mem transfer", dev_id);
+		return -EINVAL;
+	}
+	if (conf->direction == RTE_DMA_DIR_MEM_TO_DEV &&
+	    !(info.dev_capa & RTE_DMADEV_CAPA_MEM_TO_DEV)) {
+		RTE_DMADEV_LOG(ERR,
+			"Device %u don't support mem2dev transfer", dev_id);
+		return -EINVAL;
+	}
+	if (conf->direction == RTE_DMA_DIR_DEV_TO_MEM &&
+	    !(info.dev_capa & RTE_DMADEV_CAPA_DEV_TO_MEM)) {
+		RTE_DMADEV_LOG(ERR,
+			"Device %u don't support dev2mem transfer", dev_id);
+		return -EINVAL;
+	}
+	if (conf->direction == RTE_DMA_DIR_DEV_TO_DEV &&
+	    !(info.dev_capa & RTE_DMADEV_CAPA_DEV_TO_DEV)) {
+		RTE_DMADEV_LOG(ERR,
+			"Device %u don't support dev2dev transfer", dev_id);
+		return -EINVAL;
+	}
+	if (conf->nb_desc < info.min_desc || conf->nb_desc > info.max_desc) {
+		RTE_DMADEV_LOG(ERR,
+			"Device %u number of descriptors invalid", dev_id);
+		return -EINVAL;
+	}
+	src_is_dev = conf->direction == RTE_DMA_DIR_DEV_TO_MEM ||
+		     conf->direction == RTE_DMA_DIR_DEV_TO_DEV;
+	if ((conf->src_port.port_type == RTE_DMADEV_PORT_NONE && src_is_dev) ||
+	    (conf->src_port.port_type != RTE_DMADEV_PORT_NONE && !src_is_dev)) {
+		RTE_DMADEV_LOG(ERR,
+			"Device %u source port type invalid", dev_id);
+		return -EINVAL;
+	}
+	dst_is_dev = conf->direction == RTE_DMA_DIR_MEM_TO_DEV ||
+		     conf->direction == RTE_DMA_DIR_DEV_TO_DEV;
+	if ((conf->dst_port.port_type == RTE_DMADEV_PORT_NONE && dst_is_dev) ||
+	    (conf->dst_port.port_type != RTE_DMADEV_PORT_NONE && !dst_is_dev)) {
+		RTE_DMADEV_LOG(ERR,
+			"Device %u destination port type invalid", dev_id);
+		return -EINVAL;
+	}
+
+	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vchan_setup, -ENOTSUP);
+	return (*dev->dev_ops->vchan_setup)(dev, vchan, conf);
+}
+
+int
+rte_dmadev_stats_get(uint16_t dev_id, uint16_t vchan,
+		     struct rte_dmadev_stats *stats)
+{
+	const struct rte_dmadev *dev = &rte_dmadevices[dev_id];
+
+	RTE_DMADEV_VALID_DEV_ID_OR_ERR_RET(dev_id, -EINVAL);
+	if (stats == NULL)
+		return -EINVAL;
+	if (vchan >= dev->data->dev_conf.nb_vchans &&
+	    vchan != RTE_DMADEV_ALL_VCHAN) {
+		RTE_DMADEV_LOG(ERR,
+			"Device %u vchan %u out of range", dev_id, vchan);
+		return -EINVAL;
+	}
+
+	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->stats_get, -ENOTSUP);
+	memset(stats, 0, sizeof(struct rte_dmadev_stats));
+	return (*dev->dev_ops->stats_get)(dev, vchan, stats,
+					  sizeof(struct rte_dmadev_stats));
+}
+
+int
+rte_dmadev_stats_reset(uint16_t dev_id, uint16_t vchan)
+{
+	struct rte_dmadev *dev = &rte_dmadevices[dev_id];
+
+	RTE_DMADEV_VALID_DEV_ID_OR_ERR_RET(dev_id, -EINVAL);
+	if (vchan >= dev->data->dev_conf.nb_vchans &&
+	    vchan != RTE_DMADEV_ALL_VCHAN) {
+		RTE_DMADEV_LOG(ERR,
+			"Device %u vchan %u out of range", dev_id, vchan);
+		return -EINVAL;
+	}
+
+	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->stats_reset, -ENOTSUP);
+	return (*dev->dev_ops->stats_reset)(dev, vchan);
+}
+
+static const char *
+dmadev_capability_name(uint64_t capability)
+{
+	static const struct {
+		uint64_t capability;
+		const char *name;
+	} capa_names[] = {
+		{ RTE_DMADEV_CAPA_MEM_TO_MEM,  "mem2mem" },
+		{ RTE_DMADEV_CAPA_MEM_TO_DEV,  "mem2dev" },
+		{ RTE_DMADEV_CAPA_DEV_TO_MEM,  "dev2mem" },
+		{ RTE_DMADEV_CAPA_DEV_TO_DEV,  "dev2dev" },
+		{ RTE_DMADEV_CAPA_SVA,         "sva"     },
+		{ RTE_DMADEV_CAPA_SILENT,      "silent"  },
+		{ RTE_DMADEV_CAPA_OPS_COPY,    "copy"    },
+		{ RTE_DMADEV_CAPA_OPS_COPY_SG, "copy_sg" },
+		{ RTE_DMADEV_CAPA_OPS_FILL,    "fill"    },
+	};
+
+	const char *name = "unknown";
+	uint32_t i;
+
+	for (i = 0; i < RTE_DIM(capa_names); i++) {
+		if (capability == capa_names[i].capability) {
+			name = capa_names[i].name;
+			break;
+		}
+	}
+
+	return name;
+}
+
+static void
+dmadev_dump_capability(FILE *f, uint64_t dev_capa)
+{
+	uint64_t capa;
+
+	fprintf(f, "  dev_capa: 0x%" PRIx64 " -", dev_capa);
+	while (dev_capa > 0) {
+		capa = 1ull << __builtin_ctzll(dev_capa);
+		fprintf(f, " %s", dmadev_capability_name(capa));
+		dev_capa &= ~capa;
+	}
+	fprintf(f, "\n");
+}
+
+int
+rte_dmadev_dump(uint16_t dev_id, FILE *f)
+{
+	const struct rte_dmadev *dev = &rte_dmadevices[dev_id];
+	struct rte_dmadev_info info;
+	int ret;
+
+	RTE_DMADEV_VALID_DEV_ID_OR_ERR_RET(dev_id, -EINVAL);
+	if (f == NULL)
+		return -EINVAL;
+
+	ret = rte_dmadev_info_get(dev_id, &info);
+	if (ret != 0) {
+		RTE_DMADEV_LOG(ERR, "Device %u get device info fail", dev_id);
+		return -EINVAL;
+	}
+
+	fprintf(f, "DMA Dev %u, '%s' [%s]\n",
+		dev->data->dev_id,
+		dev->data->dev_name,
+		dev->data->dev_started ? "started" : "stopped");
+	dmadev_dump_capability(f, info.dev_capa);
+	fprintf(f, "  max_vchans_supported: %u\n", info.max_vchans);
+	fprintf(f, "  nb_vchans_configured: %u\n", info.nb_vchans);
+	fprintf(f, "  silent_mode: %s\n",
+		dev->data->dev_conf.enable_silent ? "on" : "off");
+
+	if (dev->dev_ops->dev_dump != NULL)
+		return (*dev->dev_ops->dev_dump)(dev, f);
+
+	return 0;
+}
diff --git a/lib/dmadev/rte_dmadev.h b/lib/dmadev/rte_dmadev.h
index fad8e00..e438406 100644
--- a/lib/dmadev/rte_dmadev.h
+++ b/lib/dmadev/rte_dmadev.h
@@ -785,9 +785,21 @@ struct rte_dmadev_sge {
  *   - other values < 0 on failure.
  */
 __rte_experimental
-int
+static inline int
 rte_dmadev_copy(uint16_t dev_id, uint16_t vchan, rte_iova_t src, rte_iova_t dst,
-		uint32_t length, uint64_t flags);
+		uint32_t length, uint64_t flags)
+{
+	struct rte_dmadev *dev = &rte_dmadevices[dev_id];
+
+#ifdef RTE_DMADEV_DEBUG
+	if (!rte_dmadev_is_valid_dev(dev_id) || !dev->data->dev_started ||
+	    vchan >= dev->data->dev_conf.nb_vchans || length == 0)
+		return -EINVAL;
+	RTE_FUNC_PTR_OR_ERR_RET(*dev->copy, -ENOTSUP);
+#endif
+
+	return (*dev->copy)(dev, vchan, src, dst, length, flags);
+}
 
 /**
  * @warning
@@ -823,10 +835,23 @@ rte_dmadev_copy(uint16_t dev_id, uint16_t vchan, rte_iova_t src, rte_iova_t dst,
  *   - other values < 0 on failure.
  */
 __rte_experimental
-int
+static inline int
 rte_dmadev_copy_sg(uint16_t dev_id, uint16_t vchan, struct rte_dmadev_sge *src,
 		   struct rte_dmadev_sge *dst, uint16_t nb_src, uint16_t nb_dst,
-		   uint64_t flags);
+		   uint64_t flags)
+{
+	struct rte_dmadev *dev = &rte_dmadevices[dev_id];
+
+#ifdef RTE_DMADEV_DEBUG
+	if (!rte_dmadev_is_valid_dev(dev_id) || !dev->data->dev_started ||
+	    vchan >= dev->data->dev_conf.nb_vchans ||
+	    src == NULL || dst == NULL || nb_src == 0 || nb_dst == 0)
+		return -EINVAL;
+	RTE_FUNC_PTR_OR_ERR_RET(*dev->copy_sg, -ENOTSUP);
+#endif
+
+	return (*dev->copy_sg)(dev, vchan, src, dst, nb_src, nb_dst, flags);
+}
 
 /**
  * @warning
@@ -858,9 +883,21 @@ rte_dmadev_copy_sg(uint16_t dev_id, uint16_t vchan, struct rte_dmadev_sge *src,
  *   - other values < 0 on failure.
  */
 __rte_experimental
-int
+static inline int
 rte_dmadev_fill(uint16_t dev_id, uint16_t vchan, uint64_t pattern,
-		rte_iova_t dst, uint32_t length, uint64_t flags);
+		rte_iova_t dst, uint32_t length, uint64_t flags)
+{
+	struct rte_dmadev *dev = &rte_dmadevices[dev_id];
+
+#ifdef RTE_DMADEV_DEBUG
+	if (!rte_dmadev_is_valid_dev(dev_id) || !dev->data->dev_started ||
+	    vchan >= dev->data->dev_conf.nb_vchans || length == 0)
+		return -EINVAL;
+	RTE_FUNC_PTR_OR_ERR_RET(*dev->fill, -ENOTSUP);
+#endif
+
+	return (*dev->fill)(dev, vchan, pattern, dst, length, flags);
+}
 
 /**
  * @warning
@@ -880,8 +917,20 @@ rte_dmadev_fill(uint16_t dev_id, uint16_t vchan, uint64_t pattern,
  *   0 on success. Otherwise negative value is returned.
  */
 __rte_experimental
-int
-rte_dmadev_submit(uint16_t dev_id, uint16_t vchan);
+static inline int
+rte_dmadev_submit(uint16_t dev_id, uint16_t vchan)
+{
+	struct rte_dmadev *dev = &rte_dmadevices[dev_id];
+
+#ifdef RTE_DMADEV_DEBUG
+	if (!rte_dmadev_is_valid_dev(dev_id) || !dev->data->dev_started ||
+	    vchan >= dev->data->dev_conf.nb_vchans)
+		return -EINVAL;
+	RTE_FUNC_PTR_OR_ERR_RET(*dev->submit, -ENOTSUP);
+#endif
+
+	return (*dev->submit)(dev, vchan);
+}
 
 /**
  * @warning
@@ -907,9 +956,37 @@ rte_dmadev_submit(uint16_t dev_id, uint16_t vchan);
  *   must be less than or equal to the value of nb_cpls.
  */
 __rte_experimental
-uint16_t
+static inline uint16_t
 rte_dmadev_completed(uint16_t dev_id, uint16_t vchan, const uint16_t nb_cpls,
-		     uint16_t *last_idx, bool *has_error);
+		     uint16_t *last_idx, bool *has_error)
+{
+	struct rte_dmadev *dev = &rte_dmadevices[dev_id];
+	uint16_t idx;
+	bool err;
+
+#ifdef RTE_DMADEV_DEBUG
+	if (!rte_dmadev_is_valid_dev(dev_id) || !dev->data->dev_started ||
+	    vchan >= dev->data->dev_conf.nb_vchans || nb_cpls == 0)
+		return 0;
+	RTE_FUNC_PTR_OR_ERR_RET(*dev->completed, 0);
+#endif
+
+	/* Ensure the pointer values are non-null to simplify drivers.
+	 * In most cases these should be compile time evaluated, since this is
+	 * an inline function.
+	 * - If NULL is explicitly passed as parameter, then compiler knows the
+	 *   value is NULL
+	 * - If address of local variable is passed as parameter, then compiler
+	 *   can know it's non-NULL.
+	 */
+	if (last_idx == NULL)
+		last_idx = &idx;
+	if (has_error == NULL)
+		has_error = &err;
+
+	*has_error = false;
+	return (*dev->completed)(dev, vchan, nb_cpls, last_idx, has_error);
+}
 
 /**
  * @warning
@@ -939,10 +1016,27 @@ rte_dmadev_completed(uint16_t dev_id, uint16_t vchan, const uint16_t nb_cpls,
  *   status array are also set.
  */
 __rte_experimental
-uint16_t
+static inline uint16_t
 rte_dmadev_completed_status(uint16_t dev_id, uint16_t vchan,
 			    const uint16_t nb_cpls, uint16_t *last_idx,
-			    enum rte_dma_status_code *status);
+			    enum rte_dma_status_code *status)
+{
+	struct rte_dmadev *dev = &rte_dmadevices[dev_id];
+	uint16_t idx;
+
+#ifdef RTE_DMADEV_DEBUG
+	if (!rte_dmadev_is_valid_dev(dev_id) || !dev->data->dev_started ||
+	    vchan >= dev->data->dev_conf.nb_vchans ||
+	    nb_cpls == 0 || status == NULL)
+		return 0;
+	RTE_FUNC_PTR_OR_ERR_RET(*dev->completed_status, 0);
+#endif
+
+	if (last_idx == NULL)
+		last_idx = &idx;
+
+	return (*dev->completed_status)(dev, vchan, nb_cpls, last_idx, status);
+}
 
 #ifdef __cplusplus
 }
diff --git a/lib/dmadev/rte_dmadev_core.h b/lib/dmadev/rte_dmadev_core.h
index c44d88e..e94aa1c 100644
--- a/lib/dmadev/rte_dmadev_core.h
+++ b/lib/dmadev/rte_dmadev_core.h
@@ -173,4 +173,6 @@ struct rte_dmadev {
 	uint64_t reserved[2]; /**< Reserved for future fields. */
 } __rte_cache_aligned;
 
+extern struct rte_dmadev rte_dmadevices[];
+
 #endif /* _RTE_DMADEV_CORE_H_ */
diff --git a/lib/dmadev/version.map b/lib/dmadev/version.map
index d027eea..80be592 100644
--- a/lib/dmadev/version.map
+++ b/lib/dmadev/version.map
@@ -26,6 +26,7 @@ EXPERIMENTAL {
 INTERNAL {
         global:
 
+	rte_dmadevices;
 	rte_dmadev_get_device_by_name;
 	rte_dmadev_pmd_allocate;
 	rte_dmadev_pmd_release;
-- 
2.8.1


  parent reply	other threads:[~2021-09-02 13:17 UTC|newest]

Thread overview: 339+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-02 13:18 [dpdk-dev] [PATCH] dmadev: introduce DMA device library Chengwen Feng
2021-07-02 13:59 ` Bruce Richardson
2021-07-04  9:30 ` Jerin Jacob
2021-07-05 10:52   ` Bruce Richardson
2021-07-05 11:12     ` Morten Brørup
2021-07-05 13:44       ` Bruce Richardson
2021-07-05 15:55     ` Jerin Jacob
2021-07-05 17:16       ` Bruce Richardson
2021-07-07  8:08         ` Jerin Jacob
2021-07-07  8:35           ` Bruce Richardson
2021-07-07 10:34             ` Jerin Jacob
2021-07-07 11:01               ` Bruce Richardson
2021-07-08  3:11                 ` fengchengwen
2021-07-08 18:35                   ` Jerin Jacob
2021-07-09  9:14                     ` Bruce Richardson
2021-07-11  7:14                       ` Jerin Jacob
2021-07-12  7:01                         ` Morten Brørup
2021-07-12  7:59                           ` Jerin Jacob
2021-07-06  8:20     ` fengchengwen
2021-07-06  9:27       ` Bruce Richardson
2021-07-06  3:01   ` fengchengwen
2021-07-06 10:01     ` Bruce Richardson
2021-07-04 14:57 ` Andrew Rybchenko
2021-07-06  3:56   ` fengchengwen
2021-07-06 10:02     ` Bruce Richardson
2021-07-04 15:21 ` Matan Azrad
2021-07-06  6:25   ` fengchengwen
2021-07-06  6:50     ` Matan Azrad
2021-07-06  9:08       ` fengchengwen
2021-07-06  9:17         ` Matan Azrad
2021-07-06 20:28 ` [dpdk-dev] [RFC UPDATE PATCH 0/9] dmadev rfc suggested updates Bruce Richardson
2021-07-06 20:28   ` [dpdk-dev] [RFC UPDATE PATCH 1/9] dmadev: add missing exports Bruce Richardson
2021-07-07  8:26     ` David Marchand
2021-07-07  8:36       ` Bruce Richardson
2021-07-07  8:57         ` David Marchand
2021-07-06 20:28   ` [dpdk-dev] [RFC UPDATE PATCH 2/9] dmadev: change virtual addresses to IOVA Bruce Richardson
2021-07-06 20:28   ` [dpdk-dev] [RFC UPDATE PATCH 3/9] dmadev: add dump function Bruce Richardson
2021-07-06 20:28   ` [dpdk-dev] [RFC UPDATE PATCH 4/9] dmadev: remove xstats functions Bruce Richardson
2021-07-06 20:28   ` [dpdk-dev] [RFC UPDATE PATCH 5/9] dmadev: drop cookie typedef Bruce Richardson
2021-07-06 20:28   ` [dpdk-dev] [RFC UPDATE PATCH 6/9] dmadev: allow NULL parameters to completed ops call Bruce Richardson
2021-07-06 20:28   ` [dpdk-dev] [RFC UPDATE PATCH 7/9] dmadev: stats structure updates Bruce Richardson
2021-07-06 20:28   ` [dpdk-dev] [RFC UPDATE PATCH 8/9] drivers: add dma driver category Bruce Richardson
2021-07-06 20:28   ` [dpdk-dev] [RFC UPDATE PATCH 9/9] app/test: add basic dmadev unit test Bruce Richardson
2021-07-07  3:16   ` [dpdk-dev] [RFC UPDATE PATCH 0/9] dmadev rfc suggested updates fengchengwen
2021-07-07  8:11     ` Bruce Richardson
2021-07-07  8:14     ` Bruce Richardson
2021-07-07 10:42     ` Jerin Jacob
2021-07-11  9:25 ` [dpdk-dev] [PATCH v2] dmadev: introduce DMA device library Chengwen Feng
2021-07-11  9:42   ` fengchengwen
2021-07-11 13:34     ` Jerin Jacob
2021-07-12  7:40       ` Morten Brørup
2021-07-11 14:25   ` Jerin Jacob
2021-07-12  7:15   ` Morten Brørup
2021-07-12  9:59   ` Jerin Jacob
2021-07-12 13:32     ` Bruce Richardson
2021-07-12 16:34       ` Jerin Jacob
2021-07-12 17:00         ` Bruce Richardson
2021-07-13  8:59           ` Jerin Jacob
2021-07-12 12:05   ` Bruce Richardson
2021-07-12 15:50   ` Bruce Richardson
2021-07-13  9:07     ` Jerin Jacob
2021-07-13 14:19   ` Ananyev, Konstantin
2021-07-13 14:28     ` Bruce Richardson
2021-07-13 12:27 ` [dpdk-dev] [PATCH v3] " Chengwen Feng
2021-07-13 13:06   ` fengchengwen
2021-07-13 13:37     ` Bruce Richardson
2021-07-15  6:44       ` Jerin Jacob
2021-07-15  8:25         ` Bruce Richardson
2021-07-15  9:49           ` Jerin Jacob
2021-07-15 10:00             ` Bruce Richardson
2021-07-13 16:02   ` Bruce Richardson
2021-07-14 12:22   ` Nipun Gupta
2021-07-15  8:29     ` fengchengwen
2021-07-15 11:16       ` Nipun Gupta
2021-07-15 12:11         ` Bruce Richardson
2021-07-15 12:31           ` Jerin Jacob
2021-07-15 12:34             ` Nipun Gupta
2021-07-14 16:05   ` Bruce Richardson
2021-07-15  7:10   ` Jerin Jacob
2021-07-15  9:03     ` Bruce Richardson
2021-07-15  9:30       ` Jerin Jacob
2021-07-15 10:03         ` Bruce Richardson
2021-07-15 10:05           ` Bruce Richardson
2021-07-15 15:41 ` [dpdk-dev] [PATCH v4] " Chengwen Feng
2021-07-15 16:04   ` fengchengwen
2021-07-15 16:33     ` Bruce Richardson
2021-07-16  3:04       ` fengchengwen
2021-07-16  9:50         ` Bruce Richardson
2021-07-16 12:34           ` Jerin Jacob
2021-07-16 12:40         ` Jerin Jacob
2021-07-16 12:48           ` Bruce Richardson
2021-07-16 12:54     ` Jerin Jacob
2021-07-16  2:45 ` [dpdk-dev] [PATCH v5] " Chengwen Feng
2021-07-16 13:20   ` Jerin Jacob
2021-07-16 14:41   ` Bruce Richardson
2021-07-19  3:29 ` [dpdk-dev] [PATCH v6] " Chengwen Feng
2021-07-19  6:21   ` Jerin Jacob
2021-07-19 13:20     ` fengchengwen
2021-07-19 13:36       ` Jerin Jacob
2021-07-19 13:05 ` [dpdk-dev] [PATCH v7] " Chengwen Feng
2021-07-20  1:14 ` [dpdk-dev] [PATCH v8] " Chengwen Feng
2021-07-20  5:03   ` Jerin Jacob
2021-07-20  6:53     ` fengchengwen
2021-07-20  9:43       ` Jerin Jacob
2021-07-20 10:13       ` Bruce Richardson
2021-07-20 11:12 ` [dpdk-dev] [PATCH v9] " Chengwen Feng
2021-07-20 12:05   ` Bruce Richardson
2021-07-20 12:46 ` [dpdk-dev] [PATCH v10] " Chengwen Feng
2021-07-26  6:53   ` fengchengwen
2021-07-26  8:31     ` Bruce Richardson
2021-07-27  3:57       ` fengchengwen
2021-07-26 11:03     ` Morten Brørup
2021-07-26 11:21       ` Jerin Jacob
2021-07-27  3:39 ` [dpdk-dev] [PATCH v11 0/2] support dmadev Chengwen Feng
2021-07-27  3:39   ` [dpdk-dev] [PATCH v11 1/2] dmadev: introduce DMA device library Chengwen Feng
2021-07-28 11:13     ` Bruce Richardson
2021-07-29  1:26       ` fengchengwen
2021-07-29  9:15         ` Bruce Richardson
2021-07-29 13:33           ` fengchengwen
2021-07-29 10:44         ` Jerin Jacob
2021-07-29 13:30           ` fengchengwen
2021-07-27  3:40   ` [dpdk-dev] [PATCH v11 2/2] doc: add dmadev library guide Chengwen Feng
2021-07-29 11:02     ` Jerin Jacob
2021-07-29 13:13       ` fengchengwen
2021-07-29 13:28         ` fengchengwen
2021-07-29 13:06 ` [dpdk-dev] [PATCH v12 0/6] support dmadev Chengwen Feng
2021-07-29 13:06   ` [dpdk-dev] [PATCH v12 1/6] dmadev: introduce DMA device library public APIs Chengwen Feng
2021-07-29 13:06   ` [dpdk-dev] [PATCH v12 2/6] dmadev: introduce DMA device library internal header Chengwen Feng
2021-07-29 13:06   ` [dpdk-dev] [PATCH v12 3/6] dmadev: introduce DMA device library PMD header Chengwen Feng
2021-07-29 13:06   ` [dpdk-dev] [PATCH v12 4/6] dmadev: introduce DMA device library implementation Chengwen Feng
2021-07-29 13:06   ` [dpdk-dev] [PATCH v12 5/6] doc: add DMA device library guide Chengwen Feng
2021-07-29 13:06   ` [dpdk-dev] [PATCH v12 6/6] maintainers: add for dmadev Chengwen Feng
2021-08-03 11:29 ` [dpdk-dev] [PATCH v13 0/6] support dmadev Chengwen Feng
2021-08-03 11:29   ` [dpdk-dev] [PATCH v13 1/6] dmadev: introduce DMA device library public APIs Chengwen Feng
2021-08-03 11:29   ` [dpdk-dev] [PATCH v13 2/6] dmadev: introduce DMA device library internal header Chengwen Feng
2021-08-03 11:29   ` [dpdk-dev] [PATCH v13 3/6] dmadev: introduce DMA device library PMD header Chengwen Feng
2021-08-03 11:29   ` [dpdk-dev] [PATCH v13 4/6] dmadev: introduce DMA device library implementation Chengwen Feng
2021-08-05 12:56     ` Walsh, Conor
2021-08-05 13:12       ` fengchengwen
2021-08-05 13:44         ` Conor Walsh
2021-08-03 11:29   ` [dpdk-dev] [PATCH v13 5/6] doc: add DMA device library guide Chengwen Feng
2021-08-03 14:55     ` Jerin Jacob
2021-08-05 13:15       ` fengchengwen
2021-08-03 11:29   ` [dpdk-dev] [PATCH v13 6/6] maintainers: add for dmadev Chengwen Feng
2021-08-03 11:46   ` [dpdk-dev] [PATCH v13 0/6] support dmadev fengchengwen
2021-08-10 11:54 ` [dpdk-dev] [PATCH v14 " Chengwen Feng
2021-08-10 11:54   ` [dpdk-dev] [PATCH v14 1/6] dmadev: introduce DMA device library public APIs Chengwen Feng
2021-08-10 11:54   ` [dpdk-dev] [PATCH v14 2/6] dmadev: introduce DMA device library internal header Chengwen Feng
2021-08-10 11:54   ` [dpdk-dev] [PATCH v14 3/6] dmadev: introduce DMA device library PMD header Chengwen Feng
2021-08-10 11:54   ` [dpdk-dev] [PATCH v14 4/6] dmadev: introduce DMA device library implementation Chengwen Feng
2021-08-10 11:54   ` [dpdk-dev] [PATCH v14 5/6] doc: add DMA device library guide Chengwen Feng
2021-08-10 15:27     ` Walsh, Conor
2021-08-11  0:47       ` fengchengwen
2021-08-13  9:20       ` fengchengwen
2021-08-13 10:12         ` Walsh, Conor
2021-08-10 11:54   ` [dpdk-dev] [PATCH v14 6/6] maintainers: add for dmadev Chengwen Feng
2021-08-13  9:09 ` [dpdk-dev] [PATCH v15 0/6] support dmadev Chengwen Feng
2021-08-13  9:09   ` [dpdk-dev] [PATCH v15 1/6] dmadev: introduce DMA device library public APIs Chengwen Feng
2021-08-19 14:52     ` Bruce Richardson
2021-08-23  3:43       ` fengchengwen
2021-08-13  9:09   ` [dpdk-dev] [PATCH v15 2/6] dmadev: introduce DMA device library internal header Chengwen Feng
2021-08-13  9:09   ` [dpdk-dev] [PATCH v15 3/6] dmadev: introduce DMA device library PMD header Chengwen Feng
2021-08-13  9:09   ` [dpdk-dev] [PATCH v15 4/6] dmadev: introduce DMA device library implementation Chengwen Feng
2021-08-13  9:09   ` [dpdk-dev] [PATCH v15 5/6] doc: add DMA device library guide Chengwen Feng
2021-08-13  9:09   ` [dpdk-dev] [PATCH v15 6/6] maintainers: add for dmadev Chengwen Feng
2021-08-23  3:31 ` [dpdk-dev] [PATCH v16 0/9] support dmadev Chengwen Feng
2021-08-23  3:31   ` [dpdk-dev] [PATCH v16 1/9] dmadev: introduce DMA device library public APIs Chengwen Feng
2021-08-23  3:31   ` [dpdk-dev] [PATCH v16 2/9] dmadev: introduce DMA device library internal header Chengwen Feng
2021-08-23  3:31   ` [dpdk-dev] [PATCH v16 3/9] dmadev: introduce DMA device library PMD header Chengwen Feng
2021-08-23  3:31   ` [dpdk-dev] [PATCH v16 4/9] dmadev: introduce DMA device library implementation Chengwen Feng
2021-08-23  3:31   ` [dpdk-dev] [PATCH v16 5/9] doc: add DMA device library guide Chengwen Feng
2021-08-23  3:31   ` [dpdk-dev] [PATCH v16 6/9] dma/skeleton: introduce skeleton dmadev driver Chengwen Feng
2021-08-26 18:39     ` Bruce Richardson
2021-08-23  3:31   ` [dpdk-dev] [PATCH v16 7/9] dma/skeleton: add test cases Chengwen Feng
2021-08-23 14:03     ` Bruce Richardson
2021-08-26  9:30       ` fengchengwen
2021-08-23  3:31   ` [dpdk-dev] [PATCH v16 8/9] test: enable dmadev skeleton test Chengwen Feng
2021-08-23  3:31   ` [dpdk-dev] [PATCH v16 9/9] maintainers: add for dmadev Chengwen Feng
2021-08-28  7:29 ` [dpdk-dev] [PATCH v17 0/8] support dmadev Chengwen Feng
2021-08-28  7:29   ` [dpdk-dev] [PATCH v17 1/8] dmadev: introduce DMA device library public APIs Chengwen Feng
2021-08-28  7:30   ` [dpdk-dev] [PATCH v17 2/8] dmadev: introduce DMA device library internal header Chengwen Feng
2021-08-28  7:30   ` [dpdk-dev] [PATCH v17 3/8] dmadev: introduce DMA device library PMD header Chengwen Feng
2021-08-28  7:30   ` [dpdk-dev] [PATCH v17 4/8] dmadev: introduce DMA device library implementation Chengwen Feng
2021-08-28  7:30   ` [dpdk-dev] [PATCH v17 5/8] doc: add DMA device library guide Chengwen Feng
2021-08-28  7:30   ` [dpdk-dev] [PATCH v17 6/8] dma/skeleton: introduce skeleton dmadev driver Chengwen Feng
2021-08-28  7:30   ` [dpdk-dev] [PATCH v17 7/8] app/test: add dmadev API test Chengwen Feng
2021-08-28  7:30   ` [dpdk-dev] [PATCH v17 8/8] maintainers: add for dmadev Chengwen Feng
2021-08-28  8:25     ` fengchengwen
2021-08-30  8:19       ` Bruce Richardson
2021-09-02 10:54 ` [dpdk-dev] [PATCH v18 0/8] support dmadev Chengwen Feng
2021-09-02 10:54   ` [dpdk-dev] [PATCH v18 1/8] dmadev: introduce DMA device library public APIs Chengwen Feng
2021-09-02 10:54   ` [dpdk-dev] [PATCH v18 2/8] dmadev: introduce DMA device library internal header Chengwen Feng
2021-09-02 10:54   ` [dpdk-dev] [PATCH v18 3/8] dmadev: introduce DMA device library PMD header Chengwen Feng
2021-09-02 10:54   ` [dpdk-dev] [PATCH v18 4/8] dmadev: introduce DMA device library implementation Chengwen Feng
2021-09-02 10:54   ` [dpdk-dev] [PATCH v18 5/8] doc: add DMA device library guide Chengwen Feng
2021-09-02 10:54   ` [dpdk-dev] [PATCH v18 6/8] dma/skeleton: introduce skeleton dmadev driver Chengwen Feng
2021-09-02 10:54   ` [dpdk-dev] [PATCH v18 7/8] app/test: add dmadev API test Chengwen Feng
2021-09-02 10:54   ` [dpdk-dev] [PATCH v18 8/8] maintainers: add for dmadev Chengwen Feng
2021-09-02 11:51     ` Bruce Richardson
2021-09-02 13:39       ` fengchengwen
2021-09-03 12:59         ` Maxime Coquelin
2021-09-04  7:02           ` fengchengwen
2021-09-06  1:46             ` Li, Xiaoyun
2021-09-06  8:00               ` fengchengwen
2021-09-06  2:03           ` Xia, Chenbo
2021-09-06  8:01             ` fengchengwen
2021-09-02 13:13 ` [dpdk-dev] [PATCH v19 0/7] support dmadev Chengwen Feng
2021-09-02 13:13   ` [dpdk-dev] [PATCH v19 1/7] dmadev: introduce DMA device library public APIs Chengwen Feng
2021-09-03 11:42     ` Gagandeep Singh
2021-09-04  1:31       ` fengchengwen
2021-09-06  6:48         ` Gagandeep Singh
2021-09-06  7:52           ` fengchengwen
2021-09-06  8:06             ` Jerin Jacob
2021-09-06  8:08             ` Bruce Richardson
2021-09-07 12:55             ` fengchengwen
2021-09-03 13:03     ` Bruce Richardson
2021-09-04  3:05       ` fengchengwen
2021-09-04 10:10       ` Morten Brørup
2021-09-03 15:13     ` Kevin Laatz
2021-09-03 15:35     ` Conor Walsh
2021-09-02 13:13   ` [dpdk-dev] [PATCH v19 2/7] dmadev: introduce DMA device library internal header Chengwen Feng
2021-09-03 15:13     ` Kevin Laatz
2021-09-03 15:35     ` Conor Walsh
2021-09-02 13:13   ` [dpdk-dev] [PATCH v19 3/7] dmadev: introduce DMA device library PMD header Chengwen Feng
2021-09-03 15:13     ` Kevin Laatz
2021-09-03 15:35     ` Conor Walsh
2021-09-02 13:13   ` Chengwen Feng [this message]
2021-09-03 15:13     ` [dpdk-dev] [PATCH v19 4/7] dmadev: introduce DMA device library implementation Kevin Laatz
2021-09-03 15:30       ` Bruce Richardson
2021-09-03 15:35     ` Conor Walsh
2021-09-04  8:52       ` fengchengwen
2021-09-02 13:13   ` [dpdk-dev] [PATCH v19 5/7] doc: add DMA device library guide Chengwen Feng
2021-09-03 15:13     ` Kevin Laatz
2021-09-02 13:13   ` [dpdk-dev] [PATCH v19 6/7] dma/skeleton: introduce skeleton dmadev driver Chengwen Feng
2021-09-03 15:14     ` Kevin Laatz
2021-09-04  7:17       ` fengchengwen
2021-09-03 15:36     ` Conor Walsh
2021-09-02 13:13   ` [dpdk-dev] [PATCH v19 7/7] app/test: add dmadev API test Chengwen Feng
2021-09-02 14:11     ` Walsh, Conor
2021-09-03  0:39       ` fengchengwen
2021-09-03 15:38         ` Walsh, Conor
2021-09-04  7:22           ` fengchengwen
2021-09-03 15:14     ` Kevin Laatz
2021-09-04 10:10 ` [dpdk-dev] [PATCH v20 0/7] support dmadev Chengwen Feng
2021-09-04 10:10   ` [dpdk-dev] [PATCH v20 1/7] dmadev: introduce DMA device library public APIs Chengwen Feng
2021-09-04 10:10   ` [dpdk-dev] [PATCH v20 2/7] dmadev: introduce DMA device library internal header Chengwen Feng
2021-09-06 13:35     ` Bruce Richardson
2021-09-07 13:05       ` fengchengwen
2021-09-04 10:10   ` [dpdk-dev] [PATCH v20 3/7] dmadev: introduce DMA device library PMD header Chengwen Feng
2021-09-04 10:10   ` [dpdk-dev] [PATCH v20 4/7] dmadev: introduce DMA device library implementation Chengwen Feng
2021-09-04 10:10   ` [dpdk-dev] [PATCH v20 5/7] doc: add DMA device library guide Chengwen Feng
2021-09-04 10:17     ` Jerin Jacob
2021-09-04 10:10   ` [dpdk-dev] [PATCH v20 6/7] dma/skeleton: introduce skeleton dmadev driver Chengwen Feng
2021-09-04 10:10   ` [dpdk-dev] [PATCH v20 7/7] app/test: add dmadev API test Chengwen Feng
2021-09-06 13:37   ` [dpdk-dev] [PATCH v20 0/7] support dmadev Bruce Richardson
2021-09-07 12:56 ` [dpdk-dev] [PATCH v21 " Chengwen Feng
2021-09-07 12:56   ` [dpdk-dev] [PATCH v21 1/7] dmadev: introduce DMA device library public APIs Chengwen Feng
2021-09-09 10:33     ` Thomas Monjalon
2021-09-09 11:18       ` Bruce Richardson
2021-09-09 11:29         ` Thomas Monjalon
2021-09-09 12:45           ` Bruce Richardson
2021-09-09 13:54             ` fengchengwen
2021-09-09 14:26               ` Thomas Monjalon
2021-09-09 14:31                 ` Bruce Richardson
2021-09-09 14:28               ` Bruce Richardson
2021-09-09 15:12                 ` Morten Brørup
2021-09-09 13:33       ` fengchengwen
2021-09-09 14:19         ` Thomas Monjalon
2021-09-16  3:57       ` fengchengwen
2021-09-07 12:56   ` [dpdk-dev] [PATCH v21 2/7] dmadev: introduce DMA device library internal header Chengwen Feng
2021-09-07 12:56   ` [dpdk-dev] [PATCH v21 3/7] dmadev: introduce DMA device library PMD header Chengwen Feng
2021-09-07 12:56   ` [dpdk-dev] [PATCH v21 4/7] dmadev: introduce DMA device library implementation Chengwen Feng
2021-09-08  9:54     ` Walsh, Conor
2021-09-09 13:25       ` fengchengwen
2021-09-15 13:51     ` Kevin Laatz
2021-09-15 14:34       ` Bruce Richardson
2021-09-15 14:47         ` Kevin Laatz
2021-09-07 12:56   ` [dpdk-dev] [PATCH v21 5/7] doc: add DMA device library guide Chengwen Feng
2021-09-07 12:56   ` [dpdk-dev] [PATCH v21 6/7] dma/skeleton: introduce skeleton dmadev driver Chengwen Feng
2021-09-07 12:56   ` [dpdk-dev] [PATCH v21 7/7] app/test: add dmadev API test Chengwen Feng
2021-09-16  3:41 ` [dpdk-dev] [PATCH v22 0/5] support dmadev Chengwen Feng
2021-09-16  3:41   ` [dpdk-dev] [PATCH v22 1/5] dmadev: introduce DMA device library Chengwen Feng
2021-09-16  3:41   ` [dpdk-dev] [PATCH v22 2/5] dmadev: add control plane function support Chengwen Feng
2021-09-16  3:41   ` [dpdk-dev] [PATCH v22 3/5] dmadev: add data " Chengwen Feng
2021-09-16  3:41   ` [dpdk-dev] [PATCH v22 4/5] dma/skeleton: introduce skeleton dmadev driver Chengwen Feng
2021-09-16  3:41   ` [dpdk-dev] [PATCH v22 5/5] app/test: add dmadev API test Chengwen Feng
2021-09-24 10:53 ` [dpdk-dev] [PATCH v23 0/6] support dmadev Chengwen Feng
2021-09-24 10:53   ` [dpdk-dev] [PATCH v23 1/6] dmadev: introduce DMA device library Chengwen Feng
2021-10-04 21:12     ` Radha Mohan
2021-10-05  8:24       ` Kevin Laatz
2021-10-05 16:39         ` Radha Mohan
2021-10-08  1:52       ` fengchengwen
2021-10-06 10:26     ` Thomas Monjalon
2021-10-08  7:13       ` fengchengwen
2021-10-08 10:09         ` Thomas Monjalon
2021-09-24 10:53   ` [dpdk-dev] [PATCH v23 2/6] dmadev: add control plane function support Chengwen Feng
2021-10-05 10:16     ` Matan Azrad
2021-10-08  3:28       ` fengchengwen
2021-10-06 10:46     ` Thomas Monjalon
2021-10-08  7:55       ` fengchengwen
2021-10-08 10:18         ` Thomas Monjalon
2021-09-24 10:53   ` [dpdk-dev] [PATCH v23 3/6] dmadev: add data " Chengwen Feng
2021-09-24 10:53   ` [dpdk-dev] [PATCH v23 4/6] dmadev: add multi-process support Chengwen Feng
2021-09-24 10:53   ` [dpdk-dev] [PATCH v23 5/6] dma/skeleton: introduce skeleton dmadev driver Chengwen Feng
2021-09-24 10:53   ` [dpdk-dev] [PATCH v23 6/6] app/test: add dmadev API test Chengwen Feng
2021-10-09  9:33 ` [dpdk-dev] [PATCH v24 0/6] support dmadev Chengwen Feng
2021-10-09  9:33   ` [dpdk-dev] [PATCH v24 1/6] dmadev: introduce DMA device library Chengwen Feng
2021-10-09  9:33   ` [dpdk-dev] [PATCH v24 2/6] dmadev: add control plane API support Chengwen Feng
2021-10-09  9:33   ` [dpdk-dev] [PATCH v24 3/6] dmadev: add data " Chengwen Feng
2021-10-09 10:03     ` fengchengwen
2021-10-11 10:40     ` Bruce Richardson
2021-10-11 12:31       ` fengchengwen
2021-10-09  9:33   ` [dpdk-dev] [PATCH v24 4/6] dmadev: add multi-process support Chengwen Feng
2021-10-09  9:33   ` [dpdk-dev] [PATCH v24 5/6] dma/skeleton: introduce skeleton dmadev driver Chengwen Feng
2021-10-09  9:33   ` [dpdk-dev] [PATCH v24 6/6] app/test: add dmadev API test Chengwen Feng
2021-10-11  7:33 ` [dpdk-dev] [PATCH v25 0/6] support dmadev Chengwen Feng
2021-10-11  7:33   ` [dpdk-dev] [PATCH v25 1/6] dmadev: introduce DMA device library Chengwen Feng
2021-10-12 19:09     ` Thomas Monjalon
2021-10-13  0:21       ` fengchengwen
2021-10-13  7:41         ` Thomas Monjalon
2021-10-15  8:29           ` Thomas Monjalon
2021-10-15  9:59             ` fengchengwen
2021-10-15 13:46               ` Thomas Monjalon
2021-10-11  7:33   ` [dpdk-dev] [PATCH v25 2/6] dmadev: add control plane API support Chengwen Feng
2021-10-11 15:44     ` Bruce Richardson
2021-10-12  3:57       ` fengchengwen
2021-10-12 18:57     ` Thomas Monjalon
2021-10-11  7:33   ` [dpdk-dev] [PATCH v25 3/6] dmadev: add data " Chengwen Feng
2021-10-11  7:33   ` [dpdk-dev] [PATCH v25 4/6] dmadev: add multi-process support Chengwen Feng
2021-10-11  7:33   ` [dpdk-dev] [PATCH v25 5/6] dma/skeleton: introduce skeleton dmadev driver Chengwen Feng
2021-10-11  7:33   ` [dpdk-dev] [PATCH v25 6/6] app/test: add dmadev API test Chengwen Feng
2021-10-13 12:24 ` [dpdk-dev] [PATCH v26 0/6] support dmadev Chengwen Feng
2021-10-13 12:24   ` [dpdk-dev] [PATCH v26 1/6] dmadev: introduce DMA device library Chengwen Feng
2021-10-13 12:24   ` [dpdk-dev] [PATCH v26 2/6] dmadev: add control plane API support Chengwen Feng
2021-10-13 12:24   ` [dpdk-dev] [PATCH v26 3/6] dmadev: add data " Chengwen Feng
2021-10-13 12:24   ` [dpdk-dev] [PATCH v26 4/6] dmadev: add multi-process support Chengwen Feng
2021-10-13 12:24   ` [dpdk-dev] [PATCH v26 5/6] dma/skeleton: introduce skeleton dmadev driver Chengwen Feng
2021-10-13 12:25   ` [dpdk-dev] [PATCH v26 6/6] app/test: add dmadev API test Chengwen Feng
2021-10-17 19:17   ` [dpdk-dev] [PATCH v26 0/6] support dmadev Thomas Monjalon

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