struct vhost_user_connection *conn;
int ret;
+ if (vsocket == NULL)
+ return;
+
conn = malloc(sizeof(*conn));
if (conn == NULL) {
close(fd);
vhost_set_builtin_virtio_net(vid, vsocket->use_builtin_virtio_net);
+ vhost_attach_vdpa_device(vid, vsocket->vdpa_dev_id);
+
if (vsocket->dequeue_zero_copy)
vhost_enable_dequeue_zero_copy(vid);
vhost_user_reconnect_init(void)
{
int ret;
- char thread_name[RTE_MAX_THREAD_NAME_LEN];
ret = pthread_mutex_init(&reconn_list.mutex, NULL);
if (ret < 0) {
}
TAILQ_INIT(&reconn_list.head);
- ret = pthread_create(&reconn_tid, NULL,
+ ret = rte_ctrl_thread_create(&reconn_tid, "vhost_reconn", NULL,
vhost_user_client_reconnect, NULL);
if (ret != 0) {
RTE_LOG(ERR, VHOST_CONFIG, "failed to create reconnect thread");
RTE_LOG(ERR, VHOST_CONFIG,
"failed to destroy reconnect mutex");
}
- } else {
- snprintf(thread_name, RTE_MAX_THREAD_NAME_LEN,
- "vhost-reconn");
-
- if (rte_thread_setname(reconn_tid, thread_name)) {
- RTE_LOG(DEBUG, VHOST_CONFIG,
- "failed to set reconnect thread name");
- }
}
return ret;
rte_vhost_driver_get_features(const char *path, uint64_t *features)
{
struct vhost_user_socket *vsocket;
+ uint64_t vdpa_features;
+ struct rte_vdpa_device *vdpa_dev;
+ int did = -1;
+ int ret = 0;
pthread_mutex_lock(&vhost_user.mutex);
vsocket = find_vhost_user_socket(path);
- if (vsocket)
+ if (!vsocket) {
+ RTE_LOG(ERR, VHOST_CONFIG,
+ "socket file %s is not registered yet.\n", path);
+ ret = -1;
+ goto unlock_exit;
+ }
+
+ did = vsocket->vdpa_dev_id;
+ vdpa_dev = rte_vdpa_get_device(did);
+ if (!vdpa_dev || !vdpa_dev->ops->get_features) {
*features = vsocket->features;
+ goto unlock_exit;
+ }
+
+ if (vdpa_dev->ops->get_features(did, &vdpa_features) < 0) {
+ RTE_LOG(ERR, VHOST_CONFIG,
+ "failed to get vdpa features "
+ "for socket file %s.\n", path);
+ ret = -1;
+ goto unlock_exit;
+ }
+
+ *features = vsocket->features & vdpa_features;
+
+unlock_exit:
pthread_mutex_unlock(&vhost_user.mutex);
+ return ret;
+}
+int
+rte_vhost_driver_get_protocol_features(const char *path,
+ uint64_t *protocol_features)
+{
+ struct vhost_user_socket *vsocket;
+ uint64_t vdpa_protocol_features;
+ struct rte_vdpa_device *vdpa_dev;
+ int did = -1;
+ int ret = 0;
+
+ pthread_mutex_lock(&vhost_user.mutex);
+ vsocket = find_vhost_user_socket(path);
if (!vsocket) {
RTE_LOG(ERR, VHOST_CONFIG,
"socket file %s is not registered yet.\n", path);
- return -1;
- } else {
- return 0;
+ ret = -1;
+ goto unlock_exit;
+ }
+
+ did = vsocket->vdpa_dev_id;
+ vdpa_dev = rte_vdpa_get_device(did);
+ if (!vdpa_dev || !vdpa_dev->ops->get_protocol_features) {
+ *protocol_features = VHOST_USER_PROTOCOL_FEATURES;
+ goto unlock_exit;
+ }
+
+ if (vdpa_dev->ops->get_protocol_features(did,
+ &vdpa_protocol_features) < 0) {
+ RTE_LOG(ERR, VHOST_CONFIG,
+ "failed to get vdpa protocol features "
+ "for socket file %s.\n", path);
+ ret = -1;
+ goto unlock_exit;
+ }
+
+ *protocol_features = VHOST_USER_PROTOCOL_FEATURES
+ & vdpa_protocol_features;
+
+unlock_exit:
+ pthread_mutex_unlock(&vhost_user.mutex);
+ return ret;
+}
+
+int
+rte_vhost_driver_get_queue_num(const char *path, uint32_t *queue_num)
+{
+ struct vhost_user_socket *vsocket;
+ uint32_t vdpa_queue_num;
+ struct rte_vdpa_device *vdpa_dev;
+ int did = -1;
+ int ret = 0;
+
+ pthread_mutex_lock(&vhost_user.mutex);
+ vsocket = find_vhost_user_socket(path);
+ if (!vsocket) {
+ RTE_LOG(ERR, VHOST_CONFIG,
+ "socket file %s is not registered yet.\n", path);
+ ret = -1;
+ goto unlock_exit;
+ }
+
+ did = vsocket->vdpa_dev_id;
+ vdpa_dev = rte_vdpa_get_device(did);
+ if (!vdpa_dev || !vdpa_dev->ops->get_queue_num) {
+ *queue_num = VHOST_MAX_QUEUE_PAIRS;
+ goto unlock_exit;
+ }
+
+ if (vdpa_dev->ops->get_queue_num(did, &vdpa_queue_num) < 0) {
+ RTE_LOG(ERR, VHOST_CONFIG,
+ "failed to get vdpa queue number "
+ "for socket file %s.\n", path);
+ ret = -1;
+ goto unlock_exit;
+ }
+
+ *queue_num = RTE_MIN((uint32_t)VHOST_MAX_QUEUE_PAIRS, vdpa_queue_num);
+
+unlock_exit:
+ pthread_mutex_unlock(&vhost_user.mutex);
+ return ret;
+}
+
+static void
+vhost_user_socket_mem_free(struct vhost_user_socket *vsocket)
+{
+ if (vsocket && vsocket->path) {
+ free(vsocket->path);
+ vsocket->path = NULL;
+ }
+
+ if (vsocket) {
+ free(vsocket);
+ vsocket = NULL;
}
}
if (vsocket->path == NULL) {
RTE_LOG(ERR, VHOST_CONFIG,
"error: failed to copy socket path string\n");
- free(vsocket);
+ vhost_user_socket_mem_free(vsocket);
goto out;
}
TAILQ_INIT(&vsocket->conn_list);
"error: failed to destroy connection mutex\n");
}
out_free:
- free(vsocket->path);
- free(vsocket);
+ vhost_user_socket_mem_free(vsocket);
out:
pthread_mutex_unlock(&vhost_user.mutex);
struct vhost_user_socket *vsocket = vhost_user.vsockets[i];
if (!strcmp(vsocket->path, path)) {
- if (vsocket->is_server) {
- fdset_del(&vhost_user.fdset, vsocket->socket_fd);
- close(vsocket->socket_fd);
- unlink(path);
- } else if (vsocket->reconnect) {
- vhost_user_remove_reconnect(vsocket);
- }
-
+again:
pthread_mutex_lock(&vsocket->conn_mutex);
for (conn = TAILQ_FIRST(&vsocket->conn_list);
conn != NULL;
conn = next) {
next = TAILQ_NEXT(conn, next);
- fdset_del(&vhost_user.fdset, conn->connfd);
+ /*
+ * If r/wcb is executing, release the
+ * conn_mutex lock, and try again since
+ * the r/wcb may use the conn_mutex lock.
+ */
+ if (fdset_try_del(&vhost_user.fdset,
+ conn->connfd) == -1) {
+ pthread_mutex_unlock(
+ &vsocket->conn_mutex);
+ goto again;
+ }
+
RTE_LOG(INFO, VHOST_CONFIG,
"free connfd = %d for device '%s'\n",
conn->connfd, path);
}
pthread_mutex_unlock(&vsocket->conn_mutex);
+ if (vsocket->is_server) {
+ fdset_del(&vhost_user.fdset,
+ vsocket->socket_fd);
+ close(vsocket->socket_fd);
+ unlink(path);
+ } else if (vsocket->reconnect) {
+ vhost_user_remove_reconnect(vsocket);
+ }
+
pthread_mutex_destroy(&vsocket->conn_mutex);
- free(vsocket->path);
- free(vsocket);
+ vhost_user_socket_mem_free(vsocket);
count = --vhost_user.vsocket_cnt;
vhost_user.vsockets[i] = vhost_user.vsockets[count];
{
struct vhost_user_socket *vsocket;
static pthread_t fdset_tid;
- char thread_name[RTE_MAX_THREAD_NAME_LEN];
pthread_mutex_lock(&vhost_user.mutex);
vsocket = find_vhost_user_socket(path);
return -1;
}
- int ret = pthread_create(&fdset_tid, NULL, fdset_event_dispatch,
- &vhost_user.fdset);
+ int ret = rte_ctrl_thread_create(&fdset_tid,
+ "vhost-events", NULL, fdset_event_dispatch,
+ &vhost_user.fdset);
if (ret != 0) {
RTE_LOG(ERR, VHOST_CONFIG,
"failed to create fdset handling thread");
fdset_pipe_uninit(&vhost_user.fdset);
return -1;
- } else {
- snprintf(thread_name, RTE_MAX_THREAD_NAME_LEN,
- "vhost-events");
-
- if (rte_thread_setname(fdset_tid, thread_name)) {
- RTE_LOG(DEBUG, VHOST_CONFIG,
- "failed to set vhost-event thread name");
- }
}
}