#include <rte_malloc.h>
#include <rte_log.h>
#include <rte_errno.h>
-#include <rte_bus_pci.h>
#include <rte_pci.h>
#include <rte_string_fns.h>
#include <mlx5_glue.h>
#include <mlx5_common.h>
+#include <mlx5_common_pci.h>
#include <mlx5_devx_cmds.h>
#include <mlx5_prm.h>
#include <mlx5_nl.h>
(1ULL << VHOST_USER_PROTOCOL_F_HOST_NOTIFIER) | \
(1ULL << VHOST_USER_PROTOCOL_F_LOG_SHMFD) | \
(1ULL << VHOST_USER_PROTOCOL_F_MQ) | \
- (1ULL << VHOST_USER_PROTOCOL_F_NET_MTU))
+ (1ULL << VHOST_USER_PROTOCOL_F_NET_MTU) | \
+ (1ULL << VHOST_USER_PROTOCOL_F_STATUS))
#define MLX5_VDPA_MAX_RETRIES 20
#define MLX5_VDPA_USEC 1000
+#define MLX5_VDPA_DEFAULT_NO_TRAFFIC_TIME_S 2LLU
TAILQ_HEAD(mlx5_vdpa_privs, mlx5_vdpa_priv) priv_list =
TAILQ_HEAD_INITIALIZER(priv_list);
static pthread_mutex_t priv_list_lock = PTHREAD_MUTEX_INITIALIZER;
-int mlx5_vdpa_logtype;
static struct mlx5_vdpa_priv *
-mlx5_vdpa_find_priv_resource_by_did(int did)
+mlx5_vdpa_find_priv_resource_by_vdev(struct rte_vdpa_device *vdev)
{
struct mlx5_vdpa_priv *priv;
int found = 0;
pthread_mutex_lock(&priv_list_lock);
TAILQ_FOREACH(priv, &priv_list, next) {
- if (did == priv->id) {
+ if (vdev == priv->vdev) {
found = 1;
break;
}
}
pthread_mutex_unlock(&priv_list_lock);
if (!found) {
- DRV_LOG(ERR, "Invalid device id: %d.", did);
+ DRV_LOG(ERR, "Invalid vDPA device: %s.", vdev->device->name);
rte_errno = EINVAL;
return NULL;
}
}
static int
-mlx5_vdpa_get_queue_num(int did, uint32_t *queue_num)
+mlx5_vdpa_get_queue_num(struct rte_vdpa_device *vdev, uint32_t *queue_num)
{
- struct mlx5_vdpa_priv *priv = mlx5_vdpa_find_priv_resource_by_did(did);
+ struct mlx5_vdpa_priv *priv =
+ mlx5_vdpa_find_priv_resource_by_vdev(vdev);
if (priv == NULL) {
- DRV_LOG(ERR, "Invalid device id: %d.", did);
+ DRV_LOG(ERR, "Invalid vDPA device: %s.", vdev->device->name);
return -1;
}
*queue_num = priv->caps.max_num_virtio_queues;
}
static int
-mlx5_vdpa_get_vdpa_features(int did, uint64_t *features)
+mlx5_vdpa_get_vdpa_features(struct rte_vdpa_device *vdev, uint64_t *features)
{
- struct mlx5_vdpa_priv *priv = mlx5_vdpa_find_priv_resource_by_did(did);
+ struct mlx5_vdpa_priv *priv =
+ mlx5_vdpa_find_priv_resource_by_vdev(vdev);
if (priv == NULL) {
- DRV_LOG(ERR, "Invalid device id: %d.", did);
+ DRV_LOG(ERR, "Invalid vDPA device: %s.", vdev->device->name);
return -1;
}
*features = MLX5_VDPA_DEFAULT_FEATURES;
}
static int
-mlx5_vdpa_get_protocol_features(int did, uint64_t *features)
+mlx5_vdpa_get_protocol_features(struct rte_vdpa_device *vdev,
+ uint64_t *features)
{
- struct mlx5_vdpa_priv *priv = mlx5_vdpa_find_priv_resource_by_did(did);
+ struct mlx5_vdpa_priv *priv =
+ mlx5_vdpa_find_priv_resource_by_vdev(vdev);
if (priv == NULL) {
- DRV_LOG(ERR, "Invalid device id: %d.", did);
+ DRV_LOG(ERR, "Invalid vDPA device: %s.", vdev->device->name);
return -1;
}
*features = MLX5_VDPA_PROTOCOL_FEATURES;
static int
mlx5_vdpa_set_vring_state(int vid, int vring, int state)
{
- int did = rte_vhost_get_vdpa_device_id(vid);
- struct mlx5_vdpa_priv *priv = mlx5_vdpa_find_priv_resource_by_did(did);
+ struct rte_vdpa_device *vdev = rte_vhost_get_vdpa_device(vid);
+ struct mlx5_vdpa_priv *priv =
+ mlx5_vdpa_find_priv_resource_by_vdev(vdev);
if (priv == NULL) {
- DRV_LOG(ERR, "Invalid device id: %d.", did);
+ DRV_LOG(ERR, "Invalid vDPA device: %s.", vdev->device->name);
return -EINVAL;
}
if (vring >= (int)priv->caps.max_num_virtio_queues * 2) {
return mlx5_vdpa_virtq_enable(priv, vring, state);
}
-static int
-mlx5_vdpa_direct_db_prepare(struct mlx5_vdpa_priv *priv)
-{
- int ret;
-
- if (priv->direct_notifier) {
- ret = rte_vhost_host_notifier_ctrl(priv->vid, false);
- if (ret != 0) {
- DRV_LOG(INFO, "Direct HW notifier FD cannot be "
- "destroyed for device %d: %d.", priv->vid, ret);
- return -1;
- }
- priv->direct_notifier = 0;
- }
- ret = rte_vhost_host_notifier_ctrl(priv->vid, true);
- if (ret != 0)
- DRV_LOG(INFO, "Direct HW notifier FD cannot be configured for"
- " device %d: %d.", priv->vid, ret);
- else
- priv->direct_notifier = 1;
- return 0;
-}
-
static int
mlx5_vdpa_features_set(int vid)
{
- int did = rte_vhost_get_vdpa_device_id(vid);
- struct mlx5_vdpa_priv *priv = mlx5_vdpa_find_priv_resource_by_did(did);
+ struct rte_vdpa_device *vdev = rte_vhost_get_vdpa_device(vid);
+ struct mlx5_vdpa_priv *priv =
+ mlx5_vdpa_find_priv_resource_by_vdev(vdev);
uint64_t log_base, log_size;
uint64_t features;
int ret;
if (priv == NULL) {
- DRV_LOG(ERR, "Invalid device id: %d.", did);
+ DRV_LOG(ERR, "Invalid vDPA device: %s.", vdev->device->name);
return -EINVAL;
}
ret = rte_vhost_get_negotiated_features(vid, &features);
static int
mlx5_vdpa_dev_close(int vid)
{
- int did = rte_vhost_get_vdpa_device_id(vid);
- struct mlx5_vdpa_priv *priv = mlx5_vdpa_find_priv_resource_by_did(did);
+ struct rte_vdpa_device *vdev = rte_vhost_get_vdpa_device(vid);
+ struct mlx5_vdpa_priv *priv =
+ mlx5_vdpa_find_priv_resource_by_vdev(vdev);
int ret = 0;
if (priv == NULL) {
- DRV_LOG(ERR, "Invalid device id: %d.", did);
+ DRV_LOG(ERR, "Invalid vDPA device: %s.", vdev->device->name);
return -1;
}
if (priv->configured)
static int
mlx5_vdpa_dev_config(int vid)
{
- int did = rte_vhost_get_vdpa_device_id(vid);
- struct mlx5_vdpa_priv *priv = mlx5_vdpa_find_priv_resource_by_did(did);
+ struct rte_vdpa_device *vdev = rte_vhost_get_vdpa_device(vid);
+ struct mlx5_vdpa_priv *priv =
+ mlx5_vdpa_find_priv_resource_by_vdev(vdev);
if (priv == NULL) {
- DRV_LOG(ERR, "Invalid device id: %d.", did);
+ DRV_LOG(ERR, "Invalid vDPA device: %s.", vdev->device->name);
return -EINVAL;
}
if (priv->configured && mlx5_vdpa_dev_close(vid)) {
}
priv->vid = vid;
if (mlx5_vdpa_mtu_set(priv))
- DRV_LOG(WARNING, "MTU cannot be set on device %d.", did);
+ DRV_LOG(WARNING, "MTU cannot be set on device %s.",
+ vdev->device->name);
if (mlx5_vdpa_pd_create(priv) || mlx5_vdpa_mem_register(priv) ||
- mlx5_vdpa_direct_db_prepare(priv) ||
mlx5_vdpa_virtqs_prepare(priv) || mlx5_vdpa_steer_setup(priv) ||
mlx5_vdpa_cqe_event_setup(priv)) {
mlx5_vdpa_dev_close(vid);
static int
mlx5_vdpa_get_device_fd(int vid)
{
- int did = rte_vhost_get_vdpa_device_id(vid);
- struct mlx5_vdpa_priv *priv = mlx5_vdpa_find_priv_resource_by_did(did);
+ struct rte_vdpa_device *vdev = rte_vhost_get_vdpa_device(vid);
+ struct mlx5_vdpa_priv *priv =
+ mlx5_vdpa_find_priv_resource_by_vdev(vdev);
if (priv == NULL) {
- DRV_LOG(ERR, "Invalid device id: %d.", did);
+ DRV_LOG(ERR, "Invalid vDPA device: %s.", vdev->device->name);
return -EINVAL;
}
return priv->ctx->cmd_fd;
static int
mlx5_vdpa_get_notify_area(int vid, int qid, uint64_t *offset, uint64_t *size)
{
- int did = rte_vhost_get_vdpa_device_id(vid);
- struct mlx5_vdpa_priv *priv = mlx5_vdpa_find_priv_resource_by_did(did);
+ struct rte_vdpa_device *vdev = rte_vhost_get_vdpa_device(vid);
+ struct mlx5_vdpa_priv *priv =
+ mlx5_vdpa_find_priv_resource_by_vdev(vdev);
RTE_SET_USED(qid);
if (priv == NULL) {
- DRV_LOG(ERR, "Invalid device id: %d.", did);
+ DRV_LOG(ERR, "Invalid vDPA device: %s.", vdev->device->name);
return -EINVAL;
}
if (!priv->var) {
- DRV_LOG(ERR, "VAR was not created for device %d, is the device"
- " configured?.", did);
+ DRV_LOG(ERR, "VAR was not created for device %s, is the device"
+ " configured?.", vdev->device->name);
return -EINVAL;
}
*offset = priv->var->mmap_off;
}
static int
-mlx5_vdpa_get_stats_names(int did, struct rte_vdpa_stat_name *stats_names,
- unsigned int size)
+mlx5_vdpa_get_stats_names(struct rte_vdpa_device *vdev,
+ struct rte_vdpa_stat_name *stats_names,
+ unsigned int size)
{
static const char *mlx5_vdpa_stats_names[MLX5_VDPA_STATS_MAX] = {
"received_descriptors",
"invalid buffer",
"completion errors",
};
- struct mlx5_vdpa_priv *priv = mlx5_vdpa_find_priv_resource_by_did(did);
+ struct mlx5_vdpa_priv *priv =
+ mlx5_vdpa_find_priv_resource_by_vdev(vdev);
unsigned int i;
if (priv == NULL) {
- DRV_LOG(ERR, "Invalid device id: %d.", did);
+ DRV_LOG(ERR, "Invalid device: %s.", vdev->device->name);
return -ENODEV;
}
if (!stats_names)
}
static int
-mlx5_vdpa_get_stats(int did, int qid, struct rte_vdpa_stat *stats,
- unsigned int n)
+mlx5_vdpa_get_stats(struct rte_vdpa_device *vdev, int qid,
+ struct rte_vdpa_stat *stats, unsigned int n)
{
- struct mlx5_vdpa_priv *priv = mlx5_vdpa_find_priv_resource_by_did(did);
+ struct mlx5_vdpa_priv *priv =
+ mlx5_vdpa_find_priv_resource_by_vdev(vdev);
if (priv == NULL) {
- DRV_LOG(ERR, "Invalid device id: %d.", did);
+ DRV_LOG(ERR, "Invalid device: %s.", vdev->device->name);
return -ENODEV;
}
if (!priv->configured) {
- DRV_LOG(ERR, "Device %d was not configured.", did);
+ DRV_LOG(ERR, "Device %s was not configured.",
+ vdev->device->name);
return -ENODATA;
}
if (qid >= (int)priv->nr_virtqs) {
- DRV_LOG(ERR, "Too big vring id: %d.", qid);
+ DRV_LOG(ERR, "Too big vring id: %d for device %s.", qid,
+ vdev->device->name);
return -E2BIG;
}
if (!priv->caps.queue_counters_valid) {
- DRV_LOG(ERR, "Virtq statistics is not supported for device %d.",
- did);
+ DRV_LOG(ERR, "Virtq statistics is not supported for device %s.",
+ vdev->device->name);
return -ENOTSUP;
}
return mlx5_vdpa_virtq_stats_get(priv, qid, stats, n);
}
static int
-mlx5_vdpa_reset_stats(int did, int qid)
+mlx5_vdpa_reset_stats(struct rte_vdpa_device *vdev, int qid)
{
- struct mlx5_vdpa_priv *priv = mlx5_vdpa_find_priv_resource_by_did(did);
+ struct mlx5_vdpa_priv *priv =
+ mlx5_vdpa_find_priv_resource_by_vdev(vdev);
if (priv == NULL) {
- DRV_LOG(ERR, "Invalid device id: %d.", did);
+ DRV_LOG(ERR, "Invalid device: %s.", vdev->device->name);
return -ENODEV;
}
if (!priv->configured) {
- DRV_LOG(ERR, "Device %d was not configured.", did);
+ DRV_LOG(ERR, "Device %s was not configured.",
+ vdev->device->name);
return -ENODATA;
}
if (qid >= (int)priv->nr_virtqs) {
- DRV_LOG(ERR, "Too big vring id: %d.", qid);
+ DRV_LOG(ERR, "Too big vring id: %d for device %s.", qid,
+ vdev->device->name);
return -E2BIG;
}
if (!priv->caps.queue_counters_valid) {
- DRV_LOG(ERR, "Virtq statistics is not supported for device %d.",
- did);
+ DRV_LOG(ERR, "Virtq statistics is not supported for device %s.",
+ vdev->device->name);
return -ENOTSUP;
}
return mlx5_vdpa_virtq_stats_reset(priv, qid);
return -rte_errno;
}
+static int
+mlx5_vdpa_args_check_handler(const char *key, const char *val, void *opaque)
+{
+ struct mlx5_vdpa_priv *priv = opaque;
+ unsigned long tmp;
+
+ if (strcmp(key, "class") == 0)
+ return 0;
+ errno = 0;
+ tmp = strtoul(val, NULL, 0);
+ if (errno) {
+ DRV_LOG(WARNING, "%s: \"%s\" is an invalid integer.", key, val);
+ return -errno;
+ }
+ if (strcmp(key, "event_mode") == 0) {
+ if (tmp <= MLX5_VDPA_EVENT_MODE_ONLY_INTERRUPT)
+ priv->event_mode = (int)tmp;
+ else
+ DRV_LOG(WARNING, "Invalid event_mode %s.", val);
+ } else if (strcmp(key, "event_us") == 0) {
+ priv->event_us = (uint32_t)tmp;
+ } else if (strcmp(key, "no_traffic_time") == 0) {
+ priv->no_traffic_time_s = (uint32_t)tmp;
+ } else {
+ DRV_LOG(WARNING, "Invalid key %s.", key);
+ }
+ return 0;
+}
+
+static void
+mlx5_vdpa_config_get(struct rte_devargs *devargs, struct mlx5_vdpa_priv *priv)
+{
+ struct rte_kvargs *kvlist;
+
+ priv->event_mode = MLX5_VDPA_EVENT_MODE_DYNAMIC_TIMER;
+ priv->event_us = 0;
+ priv->no_traffic_time_s = MLX5_VDPA_DEFAULT_NO_TRAFFIC_TIME_S;
+ if (devargs == NULL)
+ return;
+ kvlist = rte_kvargs_parse(devargs->args, NULL);
+ if (kvlist == NULL)
+ return;
+ rte_kvargs_process(kvlist, NULL, mlx5_vdpa_args_check_handler, priv);
+ rte_kvargs_free(kvlist);
+ if (!priv->event_us) {
+ if (priv->event_mode == MLX5_VDPA_EVENT_MODE_DYNAMIC_TIMER)
+ priv->event_us = MLX5_VDPA_DEFAULT_TIMER_STEP_US;
+ else if (priv->event_mode == MLX5_VDPA_EVENT_MODE_FIXED_TIMER)
+ priv->event_us = MLX5_VDPA_DEFAULT_TIMER_DELAY_US;
+ }
+ DRV_LOG(DEBUG, "event mode is %d.", priv->event_mode);
+ DRV_LOG(DEBUG, "event_us is %u us.", priv->event_us);
+ DRV_LOG(DEBUG, "no traffic time is %u s.", priv->no_traffic_time_s);
+}
+
/**
- * DPDK callback to register a PCI device.
+ * DPDK callback to register a mlx5 PCI device.
*
* This function spawns vdpa device out of a given PCI device.
*
DRV_LOG(ERR, "Failed to allocate VAR %u.\n", errno);
goto error;
}
- priv->id = rte_vdpa_register_device(&pci_dev->device, &mlx5_vdpa_ops);
- if (priv->id < 0) {
+ priv->vdev = rte_vdpa_register_device(&pci_dev->device,
+ &mlx5_vdpa_ops);
+ if (priv->vdev == NULL) {
DRV_LOG(ERR, "Failed to register vDPA device.");
rte_errno = rte_errno ? rte_errno : EINVAL;
goto error;
}
+ mlx5_vdpa_config_get(pci_dev->device.devargs, priv);
SLIST_INIT(&priv->mr_list);
pthread_mutex_lock(&priv_list_lock);
TAILQ_INSERT_TAIL(&priv_list, priv, next);
}
};
-static struct rte_pci_driver mlx5_vdpa_driver = {
- .driver = {
- .name = "mlx5_vdpa",
+static struct mlx5_pci_driver mlx5_vdpa_driver = {
+ .driver_class = MLX5_CLASS_VDPA,
+ .pci_driver = {
+ .driver = {
+ .name = "mlx5_vdpa",
+ },
+ .id_table = mlx5_vdpa_pci_id_map,
+ .probe = mlx5_vdpa_pci_probe,
+ .remove = mlx5_vdpa_pci_remove,
+ .drv_flags = 0,
},
- .id_table = mlx5_vdpa_pci_id_map,
- .probe = mlx5_vdpa_pci_probe,
- .remove = mlx5_vdpa_pci_remove,
- .drv_flags = 0,
};
+RTE_LOG_REGISTER(mlx5_vdpa_logtype, pmd.vdpa.mlx5, NOTICE)
+
/**
* Driver initialization routine.
*/
RTE_INIT(rte_mlx5_vdpa_init)
{
- /* Initialize common log type. */
- mlx5_vdpa_logtype = rte_log_register("pmd.vdpa.mlx5");
- if (mlx5_vdpa_logtype >= 0)
- rte_log_set_level(mlx5_vdpa_logtype, RTE_LOG_NOTICE);
+ mlx5_common_init();
if (mlx5_glue)
- rte_pci_register(&mlx5_vdpa_driver);
+ mlx5_pci_driver_register(&mlx5_vdpa_driver);
}
RTE_PMD_EXPORT_NAME(net_mlx5_vdpa, __COUNTER__);
git.droids-corp.org / dpdk.git / blobdiff