From: Chengwen Feng <fengchengwen@huawei.com>
To: <thomas@monjalon.net>, <ferruh.yigit@intel.com>,
<bruce.richardson@intel.com>, <jerinj@marvell.com>,
<jerinjacobk@gmail.com>
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>, <liangma@liangbit.com>
Subject: [dpdk-dev] [PATCH v2] dmadev: introduce DMA device library
Date: Sun, 11 Jul 2021 17:25:56 +0800 [thread overview]
Message-ID: <1625995556-41473-1-git-send-email-fengchengwen@huawei.com> (raw)
In-Reply-To: <1625231891-2963-1-git-send-email-fengchengwen@huawei.com>
This patch introduce 'dmadevice' which is a generic type of DMA
device.
The APIs of dmadev library exposes some generic operations which can
enable configuration and I/O with the DMA devices.
Signed-off-by: Chengwen Feng <fengchengwen@huawei.com>
---
MAINTAINERS | 4 +
config/rte_config.h | 3 +
lib/dmadev/meson.build | 6 +
lib/dmadev/rte_dmadev.c | 560 +++++++++++++++++++++++
lib/dmadev/rte_dmadev.h | 1030 ++++++++++++++++++++++++++++++++++++++++++
lib/dmadev/rte_dmadev_core.h | 159 +++++++
lib/dmadev/rte_dmadev_pmd.h | 72 +++
lib/dmadev/version.map | 40 ++
lib/meson.build | 1 +
9 files changed, 1875 insertions(+)
create mode 100644 lib/dmadev/meson.build
create mode 100644 lib/dmadev/rte_dmadev.c
create mode 100644 lib/dmadev/rte_dmadev.h
create mode 100644 lib/dmadev/rte_dmadev_core.h
create mode 100644 lib/dmadev/rte_dmadev_pmd.h
create mode 100644 lib/dmadev/version.map
diff --git a/MAINTAINERS b/MAINTAINERS
index 4347555..0595239 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -496,6 +496,10 @@ F: drivers/raw/skeleton/
F: app/test/test_rawdev.c
F: doc/guides/prog_guide/rawdev.rst
+DMA device API - EXPERIMENTAL
+M: Chengwen Feng <fengchengwen@huawei.com>
+F: lib/dmadev/
+
Memory Pool Drivers
-------------------
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
new file mode 100644
index 0000000..c918dae
--- /dev/null
+++ b/lib/dmadev/meson.build
@@ -0,0 +1,6 @@
+# SPDX-License-Identifier: BSD-3-Clause
+# Copyright(c) 2021 HiSilicon Limited.
+
+sources = files('rte_dmadev.c')
+headers = files('rte_dmadev.h', 'rte_dmadev_pmd.h')
+indirect_headers += files('rte_dmadev_core.h')
diff --git a/lib/dmadev/rte_dmadev.c b/lib/dmadev/rte_dmadev.c
new file mode 100644
index 0000000..8a29abb
--- /dev/null
+++ b/lib/dmadev/rte_dmadev.c
@@ -0,0 +1,560 @@
+/* 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"
+
+RTE_LOG_REGISTER(rte_dmadev_logtype, lib.dmadev, INFO);
+
+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;
+
+static int
+dmadev_check_name(const char *name)
+{
+ size_t name_len;
+
+ if (name == NULL) {
+ RTE_DMADEV_LOG(ERR, "Name can't be NULL\n");
+ return -EINVAL;
+ }
+
+ name_len = strnlen(name, RTE_DMADEV_NAME_MAX_LEN);
+ if (name_len == 0) {
+ RTE_DMADEV_LOG(ERR, "Zero length DMA device name\n");
+ return -EINVAL;
+ }
+ if (name_len >= RTE_DMADEV_NAME_MAX_LEN) {
+ RTE_DMADEV_LOG(ERR, "DMA device name is too long\n");
+ 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') {
+ RTE_ASSERT(rte_dmadevices[i].attached == 0);
+ return i;
+ }
+ }
+
+ return RTE_DMADEV_MAX_DEVS;
+}
+
+static struct rte_dmadev*
+dmadev_allocated(const char *name)
+{
+ uint16_t i;
+
+ for (i = 0; i < RTE_DMADEV_MAX_DEVS; i++) {
+ if ((rte_dmadevices[i].attached == 1) &&
+ (!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_allocated(name);
+ if (dev != NULL) {
+ RTE_DMADEV_LOG(ERR, "DMA device already allocated\n");
+ 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\n");
+ return NULL;
+ }
+
+ if (dmadev_shared_data_prepare() != 0) {
+ RTE_DMADEV_LOG(ERR, "Cannot allocate DMA shared data\n");
+ return NULL;
+ }
+
+ dev = &rte_dmadevices[dev_id];
+ dev->data = &dmadev_shared_data->data[dev_id];
+ dev->data->dev_id = dev_id;
+ strlcpy(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\n");
+ 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\n",
+ name);
+ return NULL;
+ }
+
+ dev = &rte_dmadevices[i];
+ dev->data = &dmadev_shared_data->data[i];
+ RTE_ASSERT(dev->data->dev_id == i);
+
+ 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->attached = 1;
+
+ return dev;
+}
+
+int
+rte_dmadev_pmd_release(struct rte_dmadev *dev)
+{
+ if (dev == NULL)
+ return -EINVAL;
+
+ if (dev->attached == 0)
+ return 0;
+
+ if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
+ rte_free(dev->data->dev_private);
+ memset(dev->data, 0, sizeof(struct rte_dmadev_data));
+ }
+
+ memset(dev, 0, sizeof(struct rte_dmadev));
+ dev->attached = 0;
+
+ return 0;
+}
+
+struct rte_dmadev *
+rte_dmadev_get_device_by_name(const char *name)
+{
+ if (dmadev_check_name(name) != 0)
+ return NULL;
+ return dmadev_allocated(name);
+}
+
+bool
+rte_dmadev_is_valid_dev(uint16_t dev_id)
+{
+ if (dev_id >= RTE_DMADEV_MAX_DEVS ||
+ rte_dmadevices[dev_id].attached == 0)
+ return false;
+ return true;
+}
+
+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].attached == 1)
+ count++;
+ }
+
+ return count;
+}
+
+int
+rte_dmadev_info_get(uint16_t dev_id, struct rte_dmadev_info *dev_info)
+{
+ struct rte_dmadev *dev;
+ int ret;
+
+ RTE_DMADEV_VALID_DEV_ID_OR_ERR_RET(dev_id, -EINVAL);
+ RTE_FUNC_PTR_OR_ERR_RET(dev_info, -EINVAL);
+
+ dev = &rte_dmadevices[dev_id];
+
+ 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);
+ if (ret != 0)
+ return ret;
+
+ dev_info->device = dev->device;
+
+ return 0;
+}
+
+int
+rte_dmadev_configure(uint16_t dev_id, const struct rte_dmadev_conf *dev_conf)
+{
+ struct rte_dmadev_info info;
+ struct rte_dmadev *dev;
+ int ret;
+
+ RTE_DMADEV_VALID_DEV_ID_OR_ERR_RET(dev_id, -EINVAL);
+ RTE_FUNC_PTR_OR_ERR_RET(dev_conf, -EINVAL);
+ dev = &rte_dmadevices[dev_id];
+
+ ret = rte_dmadev_info_get(dev_id, &info);
+ if (ret != 0) {
+ RTE_DMADEV_LOG(ERR, "Device %u get device info fail\n", dev_id);
+ return -EINVAL;
+ }
+ if (dev_conf->max_vchans > info.max_vchans) {
+ RTE_DMADEV_LOG(ERR,
+ "Device %u configure too many vchans\n", dev_id);
+ return -EINVAL;
+ }
+ if (dev_conf->enable_mt_vchan &&
+ !(info.dev_capa & RTE_DMA_DEV_CAPA_MT_VCHAN)) {
+ RTE_DMADEV_LOG(ERR,
+ "Device %u don't support MT-safe vchan\n", dev_id);
+ return -EINVAL;
+ }
+ if (dev_conf->enable_mt_multi_vchan &&
+ !(info.dev_capa & RTE_DMA_DEV_CAPA_MT_MULTI_VCHAN)) {
+ RTE_DMADEV_LOG(ERR,
+ "Device %u don't support MT-safe multiple vchan\n",
+ dev_id);
+ return -EINVAL;
+ }
+
+ if (dev->data->dev_started != 0) {
+ RTE_DMADEV_LOG(ERR,
+ "Device %u must be stopped to allow configuration\n",
+ dev_id);
+ return -EBUSY;
+ }
+
+ 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;
+ int ret;
+
+ RTE_DMADEV_VALID_DEV_ID_OR_ERR_RET(dev_id, -EINVAL);
+ dev = &rte_dmadevices[dev_id];
+
+ if (dev->data->dev_started != 0) {
+ RTE_DMADEV_LOG(ERR, "Device %u already started\n", 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;
+ int ret;
+
+ RTE_DMADEV_VALID_DEV_ID_OR_ERR_RET(dev_id, -EINVAL);
+ dev = &rte_dmadevices[dev_id];
+
+ if (dev->data->dev_started == 0) {
+ RTE_DMADEV_LOG(ERR, "Device %u already stopped\n", 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_DMADEV_VALID_DEV_ID_OR_ERR_RET(dev_id, -EINVAL);
+ dev = &rte_dmadevices[dev_id];
+
+ /* 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\n", 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_reset(uint16_t dev_id)
+{
+ struct rte_dmadev *dev;
+
+ RTE_DMADEV_VALID_DEV_ID_OR_ERR_RET(dev_id, -EINVAL);
+ dev = &rte_dmadevices[dev_id];
+
+ RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_reset, -ENOTSUP);
+ /* Reset is not dependent on state of the device */
+ return (*dev->dev_ops->dev_reset)(dev);
+}
+
+int
+rte_dmadev_vchan_setup(uint16_t dev_id,
+ const struct rte_dmadev_vchan_conf *conf)
+{
+ struct rte_dmadev_info info;
+ struct rte_dmadev *dev;
+ int ret;
+
+ RTE_DMADEV_VALID_DEV_ID_OR_ERR_RET(dev_id, -EINVAL);
+ RTE_FUNC_PTR_OR_ERR_RET(conf, -EINVAL);
+
+ dev = &rte_dmadevices[dev_id];
+
+ ret = rte_dmadev_info_get(dev_id, &info);
+ if (ret != 0) {
+ RTE_DMADEV_LOG(ERR, "Device %u get device info fail\n", dev_id);
+ return -EINVAL;
+ }
+ if (conf->direction == 0 ||
+ conf->direction & ~RTE_DMA_TRANSFER_DIR_ALL) {
+ RTE_DMADEV_LOG(ERR, "Device %u direction invalid!\n", dev_id);
+ return -EINVAL;
+ }
+ if (conf->direction & RTE_DMA_MEM_TO_MEM &&
+ !(info.dev_capa & RTE_DMA_DEV_CAPA_MEM_TO_MEM)) {
+ RTE_DMADEV_LOG(ERR,
+ "Device %u don't support mem2mem transfer\n", dev_id);
+ return -EINVAL;
+ }
+ if (conf->direction & RTE_DMA_MEM_TO_DEV &&
+ !(info.dev_capa & RTE_DMA_DEV_CAPA_MEM_TO_DEV)) {
+ RTE_DMADEV_LOG(ERR,
+ "Device %u don't support mem2dev transfer\n", dev_id);
+ return -EINVAL;
+ }
+ if (conf->direction & RTE_DMA_DEV_TO_MEM &&
+ !(info.dev_capa & RTE_DMA_DEV_CAPA_DEV_TO_MEM)) {
+ RTE_DMADEV_LOG(ERR,
+ "Device %u don't support dev2mem transfer\n", dev_id);
+ return -EINVAL;
+ }
+ if (conf->direction & RTE_DMA_DEV_TO_DEV &&
+ !(info.dev_capa & RTE_DMA_DEV_CAPA_DEV_TO_DEV)) {
+ RTE_DMADEV_LOG(ERR,
+ "Device %u don't support dev2dev transfer\n", 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\n", dev_id);
+ return -EINVAL;
+ }
+
+ RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vchan_setup, -ENOTSUP);
+ return (*dev->dev_ops->vchan_setup)(dev, conf);
+}
+
+int
+rte_dmadev_vchan_release(uint16_t dev_id, uint16_t vchan)
+{
+ struct rte_dmadev *dev;
+
+ RTE_DMADEV_VALID_DEV_ID_OR_ERR_RET(dev_id, -EINVAL);
+ dev = &rte_dmadevices[dev_id];
+
+ if (vchan >= dev->data->dev_conf.max_vchans) {
+ RTE_DMADEV_LOG(ERR,
+ "Device %u vchan %u out of range\n", dev_id, vchan);
+ return -EINVAL;
+ }
+
+ RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vchan_release, -ENOTSUP);
+ return (*dev->dev_ops->vchan_release)(dev, vchan);
+}
+
+int
+rte_dmadev_stats_get(uint16_t dev_id, int vchan, struct rte_dmadev_stats *stats)
+{
+ struct rte_dmadev *dev;
+
+ RTE_DMADEV_VALID_DEV_ID_OR_ERR_RET(dev_id, -EINVAL);
+ RTE_FUNC_PTR_OR_ERR_RET(stats, -EINVAL);
+
+ dev = &rte_dmadevices[dev_id];
+
+ if (vchan < -1 || vchan >= dev->data->dev_conf.max_vchans) {
+ RTE_DMADEV_LOG(ERR,
+ "Device %u vchan %u out of range\n", dev_id, vchan);
+ return -EINVAL;
+ }
+
+ RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->stats_get, -ENOTSUP);
+ return (*dev->dev_ops->stats_get)(dev, vchan, stats);
+}
+
+int
+rte_dmadev_stats_reset(uint16_t dev_id, int vchan)
+{
+ struct rte_dmadev *dev;
+
+ RTE_DMADEV_VALID_DEV_ID_OR_ERR_RET(dev_id, -EINVAL);
+ dev = &rte_dmadevices[dev_id];
+
+ if (vchan < -1 || vchan >= dev->data->dev_conf.max_vchans) {
+ RTE_DMADEV_LOG(ERR,
+ "Device %u vchan %u out of range\n", 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);
+}
+
+int
+rte_dmadev_dump(uint16_t dev_id, FILE *f)
+{
+ struct rte_dmadev_info info;
+ struct rte_dmadev *dev;
+ int ret;
+
+ RTE_DMADEV_VALID_DEV_ID_OR_ERR_RET(dev_id, -EINVAL);
+ RTE_FUNC_PTR_OR_ERR_RET(f, -EINVAL);
+
+ ret = rte_dmadev_info_get(dev_id, &info);
+ if (ret != 0) {
+ RTE_DMADEV_LOG(ERR, "Device %u get device info fail\n", dev_id);
+ return -EINVAL;
+ }
+
+ dev = &rte_dmadevices[dev_id];
+
+ fprintf(f, "DMA Dev %u, '%s' [%s]\n",
+ dev->data->dev_id,
+ dev->data->dev_name,
+ dev->data->dev_started ? "started" : "stopped");
+ fprintf(f, " dev_capa: 0x%" PRIx64 "\n", info.dev_capa);
+ fprintf(f, " max_vchans_supported: %u\n", info.max_vchans);
+ fprintf(f, " max_vchans_configured: %u\n", info.nb_vchans);
+ fprintf(f, " MT-safe-configured: vchans: %u multi-vchans: %u\n",
+ dev->data->dev_conf.enable_mt_vchan,
+ dev->data->dev_conf.enable_mt_multi_vchan);
+
+ if (dev->dev_ops->dev_dump != NULL)
+ return (*dev->dev_ops->dev_dump)(dev, f);
+
+ return 0;
+}
+
+int
+rte_dmadev_selftest(uint16_t dev_id)
+{
+ struct rte_dmadev *dev;
+
+ RTE_DMADEV_VALID_DEV_ID_OR_ERR_RET(dev_id, -EINVAL);
+ dev = &rte_dmadevices[dev_id];
+
+ RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_selftest, -ENOTSUP);
+ return (*dev->dev_ops->dev_selftest)(dev_id);
+}
diff --git a/lib/dmadev/rte_dmadev.h b/lib/dmadev/rte_dmadev.h
new file mode 100644
index 0000000..8779512
--- /dev/null
+++ b/lib/dmadev/rte_dmadev.h
@@ -0,0 +1,1030 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2021 HiSilicon Limited.
+ * Copyright(c) 2021 Intel Corporation.
+ * Copyright(c) 2021 Marvell International Ltd.
+ */
+
+#ifndef _RTE_DMADEV_H_
+#define _RTE_DMADEV_H_
+
+/**
+ * @file rte_dmadev.h
+ *
+ * RTE DMA (Direct Memory Access) device APIs.
+ *
+ * The DMA framework is built on the following model:
+ *
+ * --------------- --------------- ---------------
+ * | virtual DMA | | virtual DMA | | virtual DMA |
+ * | channel | | channel | | channel |
+ * --------------- --------------- ---------------
+ * | | |
+ * ------------------ |
+ * | |
+ * ------------ ------------
+ * | dmadev | | dmadev |
+ * ------------ ------------
+ * | |
+ * ------------------ ------------------
+ * | HW-DMA-channel | | HW-DMA-channel |
+ * ------------------ ------------------
+ * | |
+ * --------------------------------
+ * |
+ * ---------------------
+ * | HW-DMA-Controller |
+ * ---------------------
+ *
+ * The DMA controller could have multilpe HW-DMA-channels (aka. HW-DMA-queues),
+ * each HW-DMA-channel should be represented by a dmadev.
+ *
+ * The dmadev could create multiple virtual DMA channel, each virtual DMA
+ * channel represents a different transfer context. The DMA operation request
+ * must be submitted to the virtual DMA channel.
+ * E.G. Application could create virtual DMA channel 0 for mem-to-mem transfer
+ * scenario, and create virtual DMA channel 1 for mem-to-dev transfer
+ * scenario.
+ *
+ * The dmadev are dynamically allocated by rte_dmadev_pmd_allocate() during the
+ * PCI/SoC device probing phase performed at EAL initialization time. And could
+ * be released by rte_dmadev_pmd_release() during the PCI/SoC device removing
+ * phase.
+ *
+ * We use 'uint16_t dev_id' as the device identifier of a dmadev, and
+ * 'uint16_t vchan' as the virtual DMA channel identifier in one dmadev.
+ *
+ * The functions exported by the dmadev API to setup a device designated by its
+ * device identifier must be invoked in the following order:
+ * - rte_dmadev_configure()
+ * - rte_dmadev_vchan_setup()
+ * - rte_dmadev_start()
+ *
+ * Then, the application can invoke dataplane APIs to process jobs.
+ *
+ * If the application wants to change the configuration (i.e. call
+ * rte_dmadev_configure()), it must call rte_dmadev_stop() first to stop the
+ * device and then do the reconfiguration before calling rte_dmadev_start()
+ * again. The dataplane APIs should not be invoked when the device is stopped.
+ *
+ * Finally, an application can close a dmadev by invoking the
+ * rte_dmadev_close() function.
+ *
+ * The dataplane APIs include two parts:
+ * a) The first part is the submission of operation requests:
+ * - rte_dmadev_copy()
+ * - rte_dmadev_copy_sg() - scatter-gather form of copy
+ * - rte_dmadev_fill()
+ * - rte_dmadev_fill_sg() - scatter-gather form of fill
+ * - rte_dmadev_perform() - issue doorbell to hardware
+ * These APIs could work with different virtual DMA channels which have
+ * different contexts.
+ * The first four APIs are used to submit the operation request to the
+ * virtual DMA channel, if the submission is successful, a uint16_t
+ * ring_idx is returned, otherwise a negative number is returned.
+ * b) The second part is to obtain the result of requests:
+ * - rte_dmadev_completed()
+ * - return the number of operation requests completed successfully.
+ * - rte_dmadev_completed_fails()
+ * - return the number of operation requests failed to complete.
+ *
+ * About the ring_idx which rte_dmadev_copy/copy_sg/fill/fill_sg() returned,
+ * the rules are as follows:
+ * a) ring_idx for each virtual DMA channel are independent.
+ * b) For a virtual DMA channel, the ring_idx is monotonically incremented,
+ * when it reach UINT16_MAX, it wraps back to zero.
+ * c) The initial ring_idx of a virtual DMA channel is zero, after the device
+ * is stopped or reset, the ring_idx needs to be reset to zero.
+ * Example:
+ * step-1: start one dmadev
+ * step-2: enqueue a copy operation, the ring_idx return is 0
+ * step-3: enqueue a copy operation again, the ring_idx return is 1
+ * ...
+ * step-101: stop the dmadev
+ * step-102: start the dmadev
+ * step-103: enqueue a copy operation, the cookie return is 0
+ * ...
+ * step-x+0: enqueue a fill operation, the ring_idx return is 65535
+ * step-x+1: enqueue a copy operation, the ring_idx return is 0
+ * ...
+ *
+ * By default, all the non-dataplane functions of the dmadev API exported by a
+ * PMD are lock-free functions which assume to not be invoked in parallel on
+ * different logical cores to work on the same target object.
+ *
+ * The dataplane functions of the dmadev API exported by a PMD can be MT-safe
+ * only when supported by the driver, generally, the driver will reports two
+ * capabilities:
+ * a) Whether to support MT-safe for the submit/completion API of the same
+ * virtual DMA channel.
+ * E.G. one thread do submit operation, another thread do completion
+ * operation.
+ * If driver support it, then declare RTE_DMA_DEV_CAPA_MT_VCHAN.
+ * If driver don't support it, it's up to the application to guarantee
+ * MT-safe.
+ * b) Whether to support MT-safe for different virtual DMA channels.
+ * E.G. one thread do operation on virtual DMA channel 0, another thread
+ * do operation on virtual DMA channel 1.
+ * If driver support it, then declare RTE_DMA_DEV_CAPA_MT_MULTI_VCHAN.
+ * If driver don't support it, it's up to the application to guarantee
+ * MT-safe.
+ *
+ */
+
+#include <rte_common.h>
+#include <rte_compat.h>
+#include <rte_errno.h>
+#include <rte_memory.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define RTE_DMADEV_NAME_MAX_LEN RTE_DEV_NAME_MAX_LEN
+
+extern int rte_dmadev_logtype;
+
+#define RTE_DMADEV_LOG(level, ...) \
+ rte_log(RTE_LOG_ ## level, rte_dmadev_logtype, "" __VA_ARGS__)
+
+/* Macros to check for valid port */
+#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\n", dev_id); \
+ return retval; \
+ } \
+} while (0)
+
+#define RTE_DMADEV_VALID_DEV_ID_OR_RET(dev_id) do { \
+ if (!rte_dmadev_is_valid_dev(dev_id)) { \
+ RTE_DMADEV_LOG(ERR, "Invalid dev_id=%u\n", dev_id); \
+ return; \
+ } \
+} while (0)
+
+/**
+ * @internal
+ * Validate if the DMA device index is a valid attached DMA device.
+ *
+ * @param dev_id
+ * DMA device index.
+ *
+ * @return
+ * - If the device index is valid (true) or not (false).
+ */
+__rte_internal
+bool
+rte_dmadev_is_valid_dev(uint16_t dev_id);
+
+/**
+ * rte_dma_sg - can hold scatter DMA operation request
+ */
+struct rte_dma_sg {
+ rte_iova_t src;
+ rte_iova_t dst;
+ uint32_t length;
+};
+
+/**
+ * @warning
+ * @b EXPERIMENTAL: this API may change without prior notice.
+ *
+ * Get the total number of DMA devices that have been successfully
+ * initialised.
+ *
+ * @return
+ * The total number of usable DMA devices.
+ */
+__rte_experimental
+uint16_t
+rte_dmadev_count(void);
+
+/**
+ * The capabilities of a DMA device
+ */
+#define RTE_DMA_DEV_CAPA_MEM_TO_MEM (1ull << 0)
+/**< DMA device support mem-to-mem transfer.
+ *
+ * @see struct rte_dmadev_info::dev_capa
+ */
+#define RTE_DMA_DEV_CAPA_MEM_TO_DEV (1ull << 1)
+/**< DMA device support slave mode & mem-to-dev transfer.
+ *
+ * @see struct rte_dmadev_info::dev_capa
+ */
+#define RTE_DMA_DEV_CAPA_DEV_TO_MEM (1ull << 2)
+/**< DMA device support slave mode & dev-to-mem transfer.
+ *
+ * @see struct rte_dmadev_info::dev_capa
+ */
+#define RTE_DMA_DEV_CAPA_DEV_TO_DEV (1ull << 3)
+/**< DMA device support slave mode & dev-to-dev transfer.
+ *
+ * @see struct rte_dmadev_info::dev_capa
+ */
+#define RTE_DMA_DEV_CAPA_OPS_COPY (1ull << 4)
+/**< DMA device support copy ops.
+ *
+ * @see struct rte_dmadev_info::dev_capa
+ */
+#define RTE_DMA_DEV_CAPA_OPS_FILL (1ull << 5)
+/**< DMA device support fill ops.
+ *
+ * @see struct rte_dmadev_info::dev_capa
+ */
+#define RTE_DMA_DEV_CAPA_OPS_SG (1ull << 6)
+/**< DMA device support scatter-list ops.
+ * If device support ops_copy and ops_sg, it means supporting copy_sg ops.
+ * If device support ops_fill and ops_sg, it means supporting fill_sg ops.
+ *
+ * @see struct rte_dmadev_info::dev_capa
+ */
+#define RTE_DMA_DEV_CAPA_FENCE (1ull << 7)
+/**< DMA device support fence.
+ * If device support fence, then application could set a fence flags when
+ * enqueue operation by rte_dma_copy/copy_sg/fill/fill_sg.
+ * If a operation has a fence flags, it means the operation must be processed
+ * only after all previous operations are completed.
+ *
+ * @see struct rte_dmadev_info::dev_capa
+ */
+#define RTE_DMA_DEV_CAPA_SVA (1ull << 8)
+/**< DMA device support SVA which could use VA as DMA address.
+ * If device support SVA then application could pass any VA address like memory
+ * from rte_malloc(), rte_memzone(), malloc, stack memory.
+ * If device don't support SVA, then application should pass IOVA address which
+ * from rte_malloc(), rte_memzone().
+ *
+ * @see struct rte_dmadev_info::dev_capa
+ */
+#define RTE_DMA_DEV_CAPA_MT_VCHAN (1ull << 9)
+/**< DMA device support MT-safe of a virtual DMA channel.
+ *
+ * @see struct rte_dmadev_info::dev_capa
+ */
+#define RTE_DMA_DEV_CAPA_MT_MULTI_VCHAN (1ull << 10)
+/**< DMA device support MT-safe of different virtual DMA channels.
+ *
+ * @see struct rte_dmadev_info::dev_capa
+ */
+
+/**
+ * A structure used to retrieve the contextual information of
+ * an DMA device
+ */
+struct rte_dmadev_info {
+ struct rte_device *device; /**< Generic Device information */
+ uint64_t dev_capa; /**< Device capabilities (RTE_DMA_DEV_CAPA_) */
+ /** Maximum number of virtual DMA channels supported */
+ uint16_t max_vchans;
+ /** Maximum allowed number of virtual DMA channel descriptors */
+ uint16_t max_desc;
+ /** Minimum allowed number of virtual DMA channel descriptors */
+ uint16_t min_desc;
+ uint16_t nb_vchans; /**< Number of virtual DMA channel configured */
+};
+
+/**
+ * @warning
+ * @b EXPERIMENTAL: this API may change without prior notice.
+ *
+ * Retrieve the contextual information of a DMA device.
+ *
+ * @param dev_id
+ * The identifier of the device.
+ * @param[out] dev_info
+ * A pointer to a structure of type *rte_dmadev_info* to be filled with the
+ * contextual information of the device.
+ *
+ * @return
+ * - =0: Success, driver updates the contextual information of the DMA device
+ * - <0: Error code returned by the driver info get function.
+ *
+ */
+__rte_experimental
+int
+rte_dmadev_info_get(uint16_t dev_id, struct rte_dmadev_info *dev_info);
+
+/**
+ * A structure used to configure a DMA device.
+ */
+struct rte_dmadev_conf {
+ /** Maximum number of virtual DMA channel to use.
+ * This value cannot be greater than the field 'max_vchans' of struct
+ * rte_dmadev_info which get from rte_dmadev_info_get().
+ */
+ uint16_t max_vchans;
+ /** Enable bit for MT-safe of a virtual DMA channel.
+ * This bit can be enabled only when the device supports
+ * RTE_DMA_DEV_CAPA_MT_VCHAN.
+ * @see RTE_DMA_DEV_CAPA_MT_VCHAN
+ */
+ uint8_t enable_mt_vchan : 1;
+ /** Enable bit for MT-safe of different virtual DMA channels.
+ * This bit can be enabled only when the device supports
+ * RTE_DMA_DEV_CAPA_MT_MULTI_VCHAN.
+ * @see RTE_DMA_DEV_CAPA_MT_MULTI_VCHAN
+ */
+ uint8_t enable_mt_multi_vchan : 1;
+ uint64_t reserved[2]; /**< Reserved for future fields */
+};
+
+/**
+ * @warning
+ * @b EXPERIMENTAL: this API may change without prior notice.
+ *
+ * Configure a DMA device.
+ *
+ * This function must be invoked first before any other function in the
+ * API. This function can also be re-invoked when a device is in the
+ * stopped state.
+ *
+ * @param dev_id
+ * The identifier of the device to configure.
+ * @param dev_conf
+ * The DMA device configuration structure encapsulated into rte_dmadev_conf
+ * object.
+ *
+ * @return
+ * - =0: Success, device configured.
+ * - <0: Error code returned by the driver configuration function.
+ */
+__rte_experimental
+int
+rte_dmadev_configure(uint16_t dev_id, const struct rte_dmadev_conf *dev_conf);
+
+/**
+ * @warning
+ * @b EXPERIMENTAL: this API may change without prior notice.
+ *
+ * Start a DMA device.
+ *
+ * The device start step is the last one and consists of setting the DMA
+ * to start accepting jobs.
+ *
+ * @param dev_id
+ * The identifier of the device.
+ *
+ * @return
+ * - =0: Success, device started.
+ * - <0: Error code returned by the driver start function.
+ */
+__rte_experimental
+int
+rte_dmadev_start(uint16_t dev_id);
+
+/**
+ * @warning
+ * @b EXPERIMENTAL: this API may change without prior notice.
+ *
+ * Stop a DMA device.
+ *
+ * The device can be restarted with a call to rte_dmadev_start()
+ *
+ * @param dev_id
+ * The identifier of the device.
+ *
+ * @return
+ * - =0: Success, device stopped.
+ * - <0: Error code returned by the driver stop function.
+ */
+__rte_experimental
+int
+rte_dmadev_stop(uint16_t dev_id);
+
+/**
+ * @warning
+ * @b EXPERIMENTAL: this API may change without prior notice.
+ *
+ * Close a DMA device.
+ *
+ * The device cannot be restarted after this call.
+ *
+ * @param dev_id
+ * The identifier of the device.
+ *
+ * @return
+ * - =0: Successfully close device
+ * - <0: Failure to close device
+ */
+__rte_experimental
+int
+rte_dmadev_close(uint16_t dev_id);
+
+/**
+ * @warning
+ * @b EXPERIMENTAL: this API may change without prior notice.
+ *
+ * Reset a DMA device.
+ *
+ * This is different from cycle of rte_dmadev_start->rte_dmadev_stop in the
+ * sense similar to hard or soft reset.
+ *
+ * @param dev_id
+ * The identifier of the device.
+ *
+ * @return
+ * - =0: Successfully reset device.
+ * - <0: Failure to reset device.
+ * - (-ENOTSUP): If the device doesn't support this function.
+ */
+__rte_experimental
+int
+rte_dmadev_reset(uint16_t dev_id);
+
+/**
+ * DMA transfer direction defines.
+ */
+#define RTE_DMA_MEM_TO_MEM (1ull << 0)
+/**< DMA transfer direction - from memory to memory.
+ *
+ * @see struct rte_dmadev_vchan_conf::direction
+ */
+#define RTE_DMA_MEM_TO_DEV (1ull << 1)
+/**< DMA transfer direction - slave mode & from memory to device.
+ * In a typical scenario, ARM SoCs are installed on x86 servers as iNICs. In
+ * this case, the ARM SoCs works in slave mode, it could initiate a DMA move
+ * request from ARM memory to x86 host memory.
+ *
+ * @see struct rte_dmadev_vchan_conf::direction
+ */
+#define RTE_DMA_DEV_TO_MEM (1ull << 2)
+/**< DMA transfer direction - slave mode & from device to memory.
+ * In a typical scenario, ARM SoCs are installed on x86 servers as iNICs. In
+ * this case, the ARM SoCs works in slave mode, it could initiate a DMA move
+ * request from x86 host memory to ARM memory.
+ *
+ * @see struct rte_dmadev_vchan_conf::direction
+ */
+#define RTE_DMA_DEV_TO_DEV (1ull << 3)
+/**< DMA transfer direction - slave mode & from device to device.
+ * In a typical scenario, ARM SoCs are installed on x86 servers as iNICs. In
+ * this case, the ARM SoCs works in slave mode, it could initiate a DMA move
+ * request from x86 host memory to another x86 host memory.
+ *
+ * @see struct rte_dmadev_vchan_conf::direction
+ */
+#define RTE_DMA_TRANSFER_DIR_ALL (RTE_DMA_MEM_TO_MEM | \
+ RTE_DMA_MEM_TO_DEV | \
+ RTE_DMA_DEV_TO_MEM | \
+ RTE_DMA_DEV_TO_DEV)
+
+/**
+ * enum rte_dma_slave_port_type - slave mode type defines
+ */
+enum rte_dma_slave_port_type {
+ /** The slave port is PCIE. */
+ RTE_DMA_SLAVE_PORT_PCIE = 1,
+};
+
+/**
+ * A structure used to descript slave port parameters.
+ */
+struct rte_dma_slave_port_parameters {
+ enum rte_dma_slave_port_type port_type;
+ union {
+ /** For PCIE port */
+ struct {
+ /** The physical function number which to use */
+ uint64_t pf_number : 6;
+ /** Virtual function enable bit */
+ uint64_t vf_enable : 1;
+ /** The virtual function number which to use */
+ uint64_t vf_number : 8;
+ uint64_t pasid : 20;
+ /** The attributes filed in TLP packet */
+ uint64_t tlp_attr : 3;
+ };
+ };
+};
+
+/**
+ * A structure used to configure a virtual DMA channel.
+ */
+struct rte_dmadev_vchan_conf {
+ uint8_t direction; /**< Set of supported transfer directions */
+ /** Number of descriptor for the virtual DMA channel */
+ uint16_t nb_desc;
+ /** 1) Used to describes the dev parameter in the mem-to-dev/dev-to-mem
+ * transfer scenario.
+ * 2) Used to describes the src dev parameter in the dev-to-dev
+ * transfer scenario.
+ */
+ struct rte_dma_slave_port_parameters port;
+ /** Used to describes the dst dev parameters in the dev-to-dev
+ * transfer scenario.
+ */
+ struct rte_dma_slave_port_parameters peer_port;
+ uint64_t reserved[2]; /**< Reserved for future fields */
+};
+
+/**
+ * @warning
+ * @b EXPERIMENTAL: this API may change without prior notice.
+ *
+ * Allocate and set up a virtual DMA channel.
+ *
+ * @param dev_id
+ * The identifier of the device.
+ * @param conf
+ * The virtual DMA channel configuration structure encapsulated into
+ * rte_dmadev_vchan_conf object.
+ *
+ * @return
+ * - >=0: Allocate success, it is the virtual DMA channel id. This value must
+ * be less than the field 'max_vchans' of struct rte_dmadev_conf
+ which configured by rte_dmadev_configure().
+ * - <0: Error code returned by the driver virtual channel setup function.
+ */
+__rte_experimental
+int
+rte_dmadev_vchan_setup(uint16_t dev_id,
+ const struct rte_dmadev_vchan_conf *conf);
+
+/**
+ * @warning
+ * @b EXPERIMENTAL: this API may change without prior notice.
+ *
+ * Release a virtual DMA channel.
+ *
+ * @param dev_id
+ * The identifier of the device.
+ * @param vchan
+ * The identifier of virtual DMA channel which return by vchan setup.
+ *
+ * @return
+ * - =0: Successfully release the virtual DMA channel.
+ * - <0: Error code returned by the driver virtual channel release function.
+ */
+__rte_experimental
+int
+rte_dmadev_vchan_release(uint16_t dev_id, uint16_t vchan);
+
+/**
+ * rte_dmadev_stats - running statistics.
+ */
+struct rte_dmadev_stats {
+ /** Count of operations which were successfully enqueued */
+ uint64_t enqueued_count;
+ /** Count of operations which were submitted to hardware */
+ uint64_t submitted_count;
+ /** Count of operations which failed to complete */
+ uint64_t completed_fail_count;
+ /** Count of operations which successfully complete */
+ uint64_t completed_count;
+ uint64_t reserved[4]; /**< Reserved for future fields */
+};
+
+/**
+ * @warning
+ * @b EXPERIMENTAL: this API may change without prior notice.
+ *
+ * Retrieve basic statistics of a or all virtual DMA channel(s).
+ *
+ * @param dev_id
+ * The identifier of the device.
+ * @param vchan
+ * The identifier of virtual DMA channel, -1 means all channels.
+ * @param[out] stats
+ * The basic statistics structure encapsulated into rte_dmadev_stats
+ * object.
+ *
+ * @return
+ * - =0: Successfully retrieve stats.
+ * - <0: Failure to retrieve stats.
+ */
+__rte_experimental
+int
+rte_dmadev_stats_get(uint16_t dev_id, int vchan,
+ struct rte_dmadev_stats *stats);
+
+/**
+ * @warning
+ * @b EXPERIMENTAL: this API may change without prior notice.
+ *
+ * Reset basic statistics of a or all virtual DMA channel(s).
+ *
+ * @param dev_id
+ * The identifier of the device.
+ * @param vchan
+ * The identifier of virtual DMA channel, -1 means all channels.
+ *
+ * @return
+ * - =0: Successfully reset stats.
+ * - <0: Failure to reset stats.
+ */
+__rte_experimental
+int
+rte_dmadev_stats_reset(uint16_t dev_id, int vchan);
+
+/**
+ * @warning
+ * @b EXPERIMENTAL: this API may change without prior notice.
+ *
+ * Dump DMA device info.
+ *
+ * @param dev_id
+ * The identifier of the device.
+ * @param f
+ * The file to write the output to.
+ *
+ * @return
+ * 0 on success. Non-zero otherwise.
+ */
+__rte_experimental
+int
+rte_dmadev_dump(uint16_t dev_id, FILE *f);
+
+/**
+ * @warning
+ * @b EXPERIMENTAL: this API may change without prior notice.
+ *
+ * Trigger the dmadev self test.
+ *
+ * @param dev_id
+ * The identifier of the device.
+ *
+ * @return
+ * - 0: Selftest successful.
+ * - -ENOTSUP if the device doesn't support selftest
+ * - other values < 0 on failure.
+ */
+__rte_experimental
+int
+rte_dmadev_selftest(uint16_t dev_id);
+
+#include "rte_dmadev_core.h"
+
+/**
+ * DMA flags to augment operation preparation.
+ * Used as the 'flags' parameter of rte_dmadev_copy/copy_sg/fill/fill_sg.
+ */
+#define RTE_DMA_FLAG_FENCE (1ull << 0)
+/**< DMA fence flag
+ * It means the operation with this flag must be processed only after all
+ * previous operations are completed.
+ *
+ * @see rte_dmadev_copy()
+ * @see rte_dmadev_copy_sg()
+ * @see rte_dmadev_fill()
+ * @see rte_dmadev_fill_sg()
+ */
+
+/**
+ * @warning
+ * @b EXPERIMENTAL: this API may change without prior notice.
+ *
+ * Enqueue a copy operation onto the virtual DMA channel.
+ *
+ * This queues up a copy operation to be performed by hardware, but does not
+ * trigger hardware to begin that operation.
+ *
+ * @param dev_id
+ * The identifier of the device.
+ * @param vchan
+ * The identifier of virtual DMA channel.
+ * @param src
+ * The address of the source buffer.
+ * @param dst
+ * The address of the destination buffer.
+ * @param length
+ * The length of the data to be copied.
+ * @param flags
+ * An flags for this operation.
+ *
+ * @return
+ * - 0..UINT16_MAX: index of enqueued copy job.
+ * - <0: Error code returned by the driver copy function.
+ */
+__rte_experimental
+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)
+{
+ struct rte_dmadev *dev = &rte_dmadevices[dev_id];
+#ifdef RTE_DMADEV_DEBUG
+ RTE_DMADEV_VALID_DEV_ID_OR_ERR_RET(dev_id, -EINVAL);
+ RTE_FUNC_PTR_OR_ERR_RET(*dev->copy, -ENOTSUP);
+ if (vchan >= dev->data->dev_conf.max_vchans) {
+ RTE_DMADEV_LOG(ERR, "Invalid vchan %d\n", vchan);
+ return -EINVAL;
+ }
+#endif
+ return (*dev->copy)(dev, vchan, src, dst, length, flags);
+}
+
+/**
+ * @warning
+ * @b EXPERIMENTAL: this API may change without prior notice.
+ *
+ * Enqueue a scatter list copy operation onto the virtual DMA channel.
+ *
+ * This queues up a scatter list copy operation to be performed by hardware,
+ * but does not trigger hardware to begin that operation.
+ *
+ * @param dev_id
+ * The identifier of the device.
+ * @param vchan
+ * The identifier of virtual DMA channel.
+ * @param sg
+ * The pointer of scatterlist.
+ * @param sg_len
+ * The number of scatterlist elements.
+ * @param flags
+ * An flags for this operation.
+ *
+ * @return
+ * - 0..UINT16_MAX: index of enqueued copy job.
+ * - <0: Error code returned by the driver copy function.
+ */
+__rte_experimental
+static inline int
+rte_dmadev_copy_sg(uint16_t dev_id, uint16_t vchan, const struct rte_dma_sg *sg,
+ uint32_t sg_len, uint64_t flags)
+{
+ struct rte_dmadev *dev = &rte_dmadevices[dev_id];
+#ifdef RTE_DMADEV_DEBUG
+ RTE_DMADEV_VALID_DEV_ID_OR_ERR_RET(dev_id, -EINVAL);
+ RTE_FUNC_PTR_OR_ERR_RET(sg, -EINVAL);
+ RTE_FUNC_PTR_OR_ERR_RET(*dev->copy_sg, -ENOTSUP);
+ if (vchan >= dev->data->dev_conf.max_vchans) {
+ RTE_DMADEV_LOG(ERR, "Invalid vchan %d\n", vchan);
+ return -EINVAL;
+ }
+#endif
+ return (*dev->copy_sg)(dev, vchan, sg, sg_len, flags);
+}
+
+/**
+ * @warning
+ * @b EXPERIMENTAL: this API may change without prior notice.
+ *
+ * Enqueue a fill operation onto the virtual DMA channel.
+ *
+ * This queues up a fill operation to be performed by hardware, but does not
+ * trigger hardware to begin that operation.
+ *
+ * @param dev_id
+ * The identifier of the device.
+ * @param vchan
+ * The identifier of virtual DMA channel.
+ * @param pattern
+ * The pattern to populate the destination buffer with.
+ * @param dst
+ * The address of the destination buffer.
+ * @param length
+ * The length of the destination buffer.
+ * @param flags
+ * An flags for this operation.
+ *
+ * @return
+ * - 0..UINT16_MAX: index of enqueued copy job.
+ * - <0: Error code returned by the driver copy function.
+ */
+__rte_experimental
+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)
+{
+ struct rte_dmadev *dev = &rte_dmadevices[dev_id];
+#ifdef RTE_DMADEV_DEBUG
+ RTE_DMADEV_VALID_DEV_ID_OR_ERR_RET(dev_id, -EINVAL);
+ RTE_FUNC_PTR_OR_ERR_RET(*dev->fill, -ENOTSUP);
+ if (vchan >= dev->data->dev_conf.max_vchans) {
+ RTE_DMADEV_LOG(ERR, "Invalid vchan %d\n", vchan);
+ return -EINVAL;
+ }
+#endif
+ return (*dev->fill)(dev, vchan, pattern, dst, length, flags);
+}
+
+/**
+ * @warning
+ * @b EXPERIMENTAL: this API may change without prior notice.
+ *
+ * Enqueue a scatter list fill operation onto the virtual DMA channel.
+ *
+ * This queues up a scatter list fill operation to be performed by hardware,
+ * but does not trigger hardware to begin that operation.
+ *
+ * @param dev_id
+ * The identifier of the device.
+ * @param vchan
+ * The identifier of virtual DMA channel.
+ * @param pattern
+ * The pattern to populate the destination buffer with.
+ * @param sg
+ * The pointer of scatterlist.
+ * @param sg_len
+ * The number of scatterlist elements.
+ * @param flags
+ * An flags for this operation.
+ *
+ * @return
+ * - 0..UINT16_MAX: index of enqueued copy job.
+ * - <0: Error code returned by the driver copy function.
+ */
+__rte_experimental
+static inline int
+rte_dmadev_fill_sg(uint16_t dev_id, uint16_t vchan, uint64_t pattern,
+ const struct rte_dma_sg *sg, uint32_t sg_len,
+ uint64_t flags)
+{
+ struct rte_dmadev *dev = &rte_dmadevices[dev_id];
+#ifdef RTE_DMADEV_DEBUG
+ RTE_DMADEV_VALID_DEV_ID_OR_ERR_RET(dev_id, -EINVAL);
+ RTE_FUNC_PTR_OR_ERR_RET(sg, -ENOTSUP);
+ RTE_FUNC_PTR_OR_ERR_RET(*dev->fill, -ENOTSUP);
+ if (vchan >= dev->data->dev_conf.max_vchans) {
+ RTE_DMADEV_LOG(ERR, "Invalid vchan %d\n", vchan);
+ return -EINVAL;
+ }
+#endif
+ return (*dev->fill_sg)(dev, vchan, pattern, sg, sg_len, flags);
+}
+
+/**
+ * @warning
+ * @b EXPERIMENTAL: this API may change without prior notice.
+ *
+ * Trigger hardware to begin performing enqueued operations.
+ *
+ * This API is used to write the "doorbell" to the hardware to trigger it
+ * to begin the operations previously enqueued by rte_dmadev_copy/fill()
+ *
+ * @param dev_id
+ * The identifier of the device.
+ * @param vchan
+ * The identifier of virtual DMA channel.
+ *
+ * @return
+ * - =0: Successfully trigger hardware.
+ * - <0: Failure to trigger hardware.
+ */
+__rte_experimental
+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
+ RTE_DMADEV_VALID_DEV_ID_OR_ERR_RET(dev_id, -EINVAL);
+ RTE_FUNC_PTR_OR_ERR_RET(*dev->submit, -ENOTSUP);
+ if (vchan >= dev->data->dev_conf.max_vchans) {
+ RTE_DMADEV_LOG(ERR, "Invalid vchan %d\n", vchan);
+ return -EINVAL;
+ }
+#endif
+ return (*dev->submit)(dev, vchan);
+}
+
+/**
+ * @warning
+ * @b EXPERIMENTAL: this API may change without prior notice.
+ *
+ * Returns the number of operations that have been successfully completed.
+ *
+ * @param dev_id
+ * The identifier of the device.
+ * @param vchan
+ * The identifier of virtual DMA channel.
+ * @param nb_cpls
+ * The maximum number of completed operations that can be processed.
+ * @param[out] last_idx
+ * The last completed operation's index.
+ * If not required, NULL can be passed in.
+ * @param[out] has_error
+ * Indicates if there are transfer error.
+ * If not required, NULL can be passed in.
+ *
+ * @return
+ * The number of operations that successfully completed.
+ */
+__rte_experimental
+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)
+{
+ struct rte_dmadev *dev = &rte_dmadevices[dev_id];
+ uint16_t idx;
+ bool err;
+
+#ifdef RTE_DMADEV_DEBUG
+ RTE_DMADEV_VALID_DEV_ID_OR_ERR_RET(dev_id, -EINVAL);
+ RTE_FUNC_PTR_OR_ERR_RET(*dev->completed, -ENOTSUP);
+ if (vchan >= dev->data->dev_conf.max_vchans) {
+ RTE_DMADEV_LOG(ERR, "Invalid vchan %d\n", vchan);
+ return -EINVAL;
+ }
+ if (nb_cpls == 0) {
+ RTE_DMADEV_LOG(ERR, "Invalid nb_cpls\n");
+ return -EINVAL;
+ }
+#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);
+}
+
+/**
+ * DMA transfer status code defines
+ */
+enum rte_dma_status_code {
+ /** The operation completed successfully */
+ RTE_DMA_STATUS_SUCCESSFUL = 0,
+ /** The operation failed to complete due active drop
+ * This is mainly used when processing dev_stop, allow outstanding
+ * requests to be completed as much as possible.
+ */
+ RTE_DMA_STATUS_ACTIVE_DROP,
+ /** The operation failed to complete due invalid source address */
+ RTE_DMA_STATUS_INVALID_SRC_ADDR,
+ /** The operation failed to complete due invalid destination address */
+ RTE_DMA_STATUS_INVALID_DST_ADDR,
+ /** The operation failed to complete due invalid length */
+ RTE_DMA_STATUS_INVALID_LENGTH,
+ /** The operation failed to complete due invalid opcode
+ * The DMA descriptor could have multiple format, which are
+ * distinguished by the opcode field.
+ */
+ RTE_DMA_STATUS_INVALID_OPCODE,
+ /** The operation failed to complete due bus err */
+ RTE_DMA_STATUS_BUS_ERROR,
+ /** The operation failed to complete due data poison */
+ RTE_DMA_STATUS_DATA_POISION,
+ /** The operation failed to complete due descriptor read error */
+ RTE_DMA_STATUS_DESCRIPTOR_READ_ERROR,
+ /** The operation failed to complete due device link error
+ * Used to indicates that the link error in the mem-to-dev/dev-to-mem/
+ * dev-to-dev transfer scenario.
+ */
+ RTE_DMA_STATUS_DEV_LINK_ERROR,
+ /** Driver specific status code offset
+ * Start status code for the driver to define its own error code.
+ */
+ RTE_DMA_STATUS_DRV_SPECIFIC_OFFSET = 0x10000,
+};
+
+/**
+ * @warning
+ * @b EXPERIMENTAL: this API may change without prior notice.
+ *
+ * Returns the number of operations that failed to complete.
+ * NOTE: This API was used when rte_dmadev_completed has_error was set.
+ *
+ * @param dev_id
+ * The identifier of the device.
+ * @param vchan
+ * The identifier of virtual DMA channel.
+ * @param nb_status
+ * Indicates the size of status array.
+ * @param[out] status
+ * The error code of operations that failed to complete.
+ * Some standard error code are described in 'enum rte_dma_status_code'
+ * @see rte_dma_status_code
+ * @param[out] last_idx
+ * The last failed completed operation's index.
+ *
+ * @return
+ * The number of operations that failed to complete.
+ */
+__rte_experimental
+static inline uint16_t
+rte_dmadev_completed_fails(uint16_t dev_id, uint16_t vchan,
+ const uint16_t nb_status, uint32_t *status,
+ uint16_t *last_idx)
+{
+ struct rte_dmadev *dev = &rte_dmadevices[dev_id];
+#ifdef RTE_DMADEV_DEBUG
+ RTE_DMADEV_VALID_DEV_ID_OR_ERR_RET(dev_id, -EINVAL);
+ RTE_FUNC_PTR_OR_ERR_RET(status, -EINVAL);
+ RTE_FUNC_PTR_OR_ERR_RET(last_idx, -EINVAL);
+ RTE_FUNC_PTR_OR_ERR_RET(*dev->completed_fails, -ENOTSUP);
+ if (vchan >= dev->data->dev_conf.max_vchans) {
+ RTE_DMADEV_LOG(ERR, "Invalid vchan %d\n", vchan);
+ return -EINVAL;
+ }
+ if (nb_status == 0) {
+ RTE_DMADEV_LOG(ERR, "Invalid nb_status\n");
+ return -EINVAL;
+ }
+#endif
+ return (*dev->completed_fails)(dev, vchan, nb_status, status, last_idx);
+}
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _RTE_DMADEV_H_ */
diff --git a/lib/dmadev/rte_dmadev_core.h b/lib/dmadev/rte_dmadev_core.h
new file mode 100644
index 0000000..410faf0
--- /dev/null
+++ b/lib/dmadev/rte_dmadev_core.h
@@ -0,0 +1,159 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2021 HiSilicon Limited.
+ * Copyright(c) 2021 Intel Corporation.
+ */
+
+#ifndef _RTE_DMADEV_CORE_H_
+#define _RTE_DMADEV_CORE_H_
+
+/**
+ * @file
+ *
+ * RTE DMA Device internal header.
+ *
+ * This header contains internal data types, that are used by the DMA devices
+ * in order to expose their ops to the class.
+ *
+ * Applications should not use these API directly.
+ *
+ */
+
+struct rte_dmadev;
+
+/** @internal Used to get device information of a device. */
+typedef int (*dmadev_info_get_t)(struct rte_dmadev *dev,
+ struct rte_dmadev_info *dev_info);
+
+/** @internal Used to configure a device. */
+typedef int (*dmadev_configure_t)(struct rte_dmadev *dev,
+ const struct rte_dmadev_conf *dev_conf);
+
+/** @internal Used to start a configured device. */
+typedef int (*dmadev_start_t)(struct rte_dmadev *dev);
+
+/** @internal Used to stop a configured device. */
+typedef int (*dmadev_stop_t)(struct rte_dmadev *dev);
+
+/** @internal Used to close a configured device. */
+typedef int (*dmadev_close_t)(struct rte_dmadev *dev);
+
+/** @internal Used to reset a configured device. */
+typedef int (*dmadev_reset_t)(struct rte_dmadev *dev);
+
+/** @internal Used to allocate and set up a virtual DMA channel. */
+typedef int (*dmadev_vchan_setup_t)(struct rte_dmadev *dev,
+ const struct rte_dmadev_vchan_conf *conf);
+
+/** @internal Used to release a virtual DMA channel. */
+typedef int (*dmadev_vchan_release_t)(struct rte_dmadev *dev, uint16_t vchan);
+
+/** @internal Used to retrieve basic statistics. */
+typedef int (*dmadev_stats_get_t)(struct rte_dmadev *dev, int vchan,
+ struct rte_dmadev_stats *stats);
+
+/** @internal Used to reset basic statistics. */
+typedef int (*dmadev_stats_reset_t)(struct rte_dmadev *dev, int vchan);
+
+/** @internal Used to dump internal information. */
+typedef int (*dmadev_dump_t)(struct rte_dmadev *dev, FILE *f);
+
+/** @internal Used to start dmadev selftest. */
+typedef int (*dmadev_selftest_t)(uint16_t dev_id);
+
+/** @internal Used to enqueue a copy operation. */
+typedef int (*dmadev_copy_t)(struct rte_dmadev *dev, uint16_t vchan,
+ rte_iova_t src, rte_iova_t dst,
+ uint32_t length, uint64_t flags);
+
+/** @internal Used to enqueue a scatter list copy operation. */
+typedef int (*dmadev_copy_sg_t)(struct rte_dmadev *dev, uint16_t vchan,
+ const struct rte_dma_sg *sg,
+ uint32_t sg_len, uint64_t flags);
+
+/** @internal Used to enqueue a fill operation. */
+typedef int (*dmadev_fill_t)(struct rte_dmadev *dev, uint16_t vchan,
+ uint64_t pattern, rte_iova_t dst,
+ uint32_t length, uint64_t flags);
+
+/** @internal Used to enqueue a scatter list fill operation. */
+typedef int (*dmadev_fill_sg_t)(struct rte_dmadev *dev, uint16_t vchan,
+ uint64_t pattern, const struct rte_dma_sg *sg,
+ uint32_t sg_len, uint64_t flags);
+
+/** @internal Used to trigger hardware to begin working. */
+typedef int (*dmadev_submit_t)(struct rte_dmadev *dev, uint16_t vchan);
+
+/** @internal Used to return number of successful completed operations. */
+typedef uint16_t (*dmadev_completed_t)(struct rte_dmadev *dev, uint16_t vchan,
+ const uint16_t nb_cpls,
+ uint16_t *last_idx, bool *has_error);
+
+/** @internal Used to return number of failed completed operations. */
+typedef uint16_t (*dmadev_completed_fails_t)(struct rte_dmadev *dev,
+ uint16_t vchan, const uint16_t nb_status,
+ uint32_t *status, uint16_t *last_idx);
+
+/**
+ * DMA device operations function pointer table
+ */
+struct rte_dmadev_ops {
+ dmadev_info_get_t dev_info_get;
+ dmadev_configure_t dev_configure;
+ dmadev_start_t dev_start;
+ dmadev_stop_t dev_stop;
+ dmadev_close_t dev_close;
+ dmadev_reset_t dev_reset;
+ dmadev_vchan_setup_t vchan_setup;
+ dmadev_vchan_release_t vchan_release;
+ dmadev_stats_get_t stats_get;
+ dmadev_stats_reset_t stats_reset;
+ dmadev_dump_t dev_dump;
+ dmadev_selftest_t dev_selftest;
+};
+
+/**
+ * @internal
+ * The data part, with no function pointers, associated with each DMA device.
+ *
+ * This structure is safe to place in shared memory to be common among different
+ * processes in a multi-process configuration.
+ */
+struct rte_dmadev_data {
+ uint16_t dev_id; /**< Device [external] identifier. */
+ char dev_name[RTE_DMADEV_NAME_MAX_LEN]; /**< Unique identifier name */
+ void *dev_private; /**< PMD-specific private data. */
+ struct rte_dmadev_conf dev_conf; /**< DMA device configuration. */
+ uint8_t dev_started : 1; /**< Device state: STARTED(1)/STOPPED(0). */
+ uint64_t reserved[4]; /**< Reserved for future fields */
+} __rte_cache_aligned;
+
+/**
+ * @internal
+ * The generic data structure associated with each DMA device.
+ *
+ * The dataplane APIs are located at the beginning of the structure, along
+ * with the pointer to where all the data elements for the particular device
+ * are stored in shared memory. This split scheme allows the function pointer
+ * and driver data to be per-process, while the actual configuration data for
+ * the device is shared.
+ */
+struct rte_dmadev {
+ dmadev_copy_t copy;
+ dmadev_copy_sg_t copy_sg;
+ dmadev_fill_t fill;
+ dmadev_fill_sg_t fill_sg;
+ dmadev_submit_t submit;
+ dmadev_completed_t completed;
+ dmadev_completed_fails_t completed_fails;
+ const struct rte_dmadev_ops *dev_ops; /**< Functions exported by PMD. */
+ /** Flag indicating the device is attached: ATTACHED(1)/DETACHED(0). */
+ uint8_t attached : 1;
+ /** Device info which supplied during device initialization. */
+ struct rte_device *device;
+ struct rte_dmadev_data *data; /**< Pointer to device data. */
+ uint64_t reserved[4]; /**< Reserved for future fields */
+} __rte_cache_aligned;
+
+extern struct rte_dmadev rte_dmadevices[];
+
+#endif /* _RTE_DMADEV_CORE_H_ */
diff --git a/lib/dmadev/rte_dmadev_pmd.h b/lib/dmadev/rte_dmadev_pmd.h
new file mode 100644
index 0000000..45141f9
--- /dev/null
+++ b/lib/dmadev/rte_dmadev_pmd.h
@@ -0,0 +1,72 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2021 HiSilicon Limited.
+ */
+
+#ifndef _RTE_DMADEV_PMD_H_
+#define _RTE_DMADEV_PMD_H_
+
+/**
+ * @file
+ *
+ * RTE DMA Device PMD APIs
+ *
+ * Driver facing APIs for a DMA device. These are not to be called directly by
+ * any application.
+ */
+
+#include "rte_dmadev.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @internal
+ * Allocates a new dmadev slot for an DMA device and returns the pointer
+ * to that slot for the driver to use.
+ *
+ * @param name
+ * DMA device name.
+ *
+ * @return
+ * A pointer to the DMA device slot case of success,
+ * NULL otherwise.
+ */
+__rte_internal
+struct rte_dmadev *
+rte_dmadev_pmd_allocate(const char *name);
+
+/**
+ * @internal
+ * Release the specified dmadev.
+ *
+ * @param dev
+ * Device to be released.
+ *
+ * @return
+ * - 0 on success, negative on error
+ */
+__rte_internal
+int
+rte_dmadev_pmd_release(struct rte_dmadev *dev);
+
+/**
+ * @internal
+ * Return the DMA device based on the device name.
+ *
+ * @param name
+ * DMA device name.
+ *
+ * @return
+ * A pointer to the DMA device slot case of success,
+ * NULL otherwise.
+ */
+__rte_internal
+struct rte_dmadev *
+rte_dmadev_get_device_by_name(const char *name);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _RTE_DMADEV_PMD_H_ */
diff --git a/lib/dmadev/version.map b/lib/dmadev/version.map
new file mode 100644
index 0000000..0f099e7
--- /dev/null
+++ b/lib/dmadev/version.map
@@ -0,0 +1,40 @@
+EXPERIMENTAL {
+ global:
+
+ rte_dmadev_count;
+ rte_dmadev_info_get;
+ rte_dmadev_configure;
+ rte_dmadev_start;
+ rte_dmadev_stop;
+ rte_dmadev_close;
+ rte_dmadev_reset;
+ rte_dmadev_vchan_setup;
+ rte_dmadev_vchan_release;
+ rte_dmadev_stats_get;
+ rte_dmadev_stats_reset;
+ rte_dmadev_dump;
+ rte_dmadev_selftest;
+ rte_dmadev_copy;
+ rte_dmadev_copy_sg;
+ rte_dmadev_fill;
+ rte_dmadev_fill_sg;
+ rte_dmadev_submit;
+ rte_dmadev_completed;
+ rte_dmadev_completed_fails;
+
+ local: *;
+};
+
+INTERNAL {
+ global:
+
+ rte_dmadevices;
+ rte_dmadev_pmd_allocate;
+ rte_dmadev_pmd_release;
+ rte_dmadev_get_device_by_name;
+
+ local:
+
+ rte_dmadev_is_valid_dev;
+};
+
diff --git a/lib/meson.build b/lib/meson.build
index 1673ca4..68d239f 100644
--- a/lib/meson.build
+++ b/lib/meson.build
@@ -60,6 +60,7 @@ libraries = [
'bpf',
'graph',
'node',
+ 'dmadev',
]
if is_windows
--
2.8.1
next prev parent reply other threads:[~2021-07-11 9:29 UTC|newest]
Thread overview: 339+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-07-02 13:18 [dpdk-dev] [PATCH] " 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 ` Chengwen Feng [this message]
2021-07-11 9:42 ` [dpdk-dev] [PATCH v2] dmadev: introduce DMA device library 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 ` [dpdk-dev] [PATCH v19 4/7] dmadev: introduce DMA device library implementation Chengwen Feng
2021-09-03 15:13 ` 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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