uint64_t protocol_features;
- /*
- * Device id to identify a specific backend device.
- * It's set to -1 for the default software implementation.
- * If valid, one socket can have 1 connection only.
- */
- int vdpa_dev_id;
+ struct rte_vdpa_device *vdpa_dev;
struct vhost_device_ops const *notify_ops;
};
ret = recvmsg(sockfd, &msgh, 0);
if (ret <= 0) {
- VHOST_LOG_CONFIG(ERR, "recvmsg failed\n");
+ if (ret)
+ VHOST_LOG_CONFIG(ERR, "recvmsg failed\n");
return ret;
}
vhost_set_builtin_virtio_net(vid, vsocket->use_builtin_virtio_net);
- vhost_attach_vdpa_device(vid, vsocket->vdpa_dev_id);
+ vhost_attach_vdpa_device(vid, vsocket->vdpa_dev);
if (vsocket->dequeue_zero_copy)
vhost_enable_dequeue_zero_copy(vid);
}
int
-rte_vhost_driver_attach_vdpa_device(const char *path, int did)
+rte_vhost_driver_attach_vdpa_device(const char *path,
+ struct rte_vdpa_device *dev)
{
struct vhost_user_socket *vsocket;
- if (rte_vdpa_get_device(did) == NULL || path == NULL)
+ if (dev == NULL || path == NULL)
return -1;
pthread_mutex_lock(&vhost_user.mutex);
vsocket = find_vhost_user_socket(path);
if (vsocket)
- vsocket->vdpa_dev_id = did;
+ vsocket->vdpa_dev = dev;
pthread_mutex_unlock(&vhost_user.mutex);
return vsocket ? 0 : -1;
pthread_mutex_lock(&vhost_user.mutex);
vsocket = find_vhost_user_socket(path);
if (vsocket)
- vsocket->vdpa_dev_id = -1;
+ vsocket->vdpa_dev = NULL;
pthread_mutex_unlock(&vhost_user.mutex);
return vsocket ? 0 : -1;
}
-int
-rte_vhost_driver_get_vdpa_device_id(const char *path)
+struct rte_vdpa_device *
+rte_vhost_driver_get_vdpa_device(const char *path)
{
struct vhost_user_socket *vsocket;
- int did = -1;
+ struct rte_vdpa_device *dev = NULL;
pthread_mutex_lock(&vhost_user.mutex);
vsocket = find_vhost_user_socket(path);
if (vsocket)
- did = vsocket->vdpa_dev_id;
+ dev = vsocket->vdpa_dev;
pthread_mutex_unlock(&vhost_user.mutex);
- return did;
+ return dev;
}
int
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);
goto unlock_exit;
}
- did = vsocket->vdpa_dev_id;
- vdpa_dev = rte_vdpa_get_device(did);
+ vdpa_dev = vsocket->vdpa_dev;
if (!vdpa_dev || !vdpa_dev->ops->get_features) {
*features = vsocket->features;
goto unlock_exit;
}
- if (vdpa_dev->ops->get_features(did, &vdpa_features) < 0) {
+ if (vdpa_dev->ops->get_features(vdpa_dev, &vdpa_features) < 0) {
VHOST_LOG_CONFIG(ERR,
"failed to get vdpa features "
"for socket file %s.\n", path);
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);
goto unlock_exit;
}
- did = vsocket->vdpa_dev_id;
- vdpa_dev = rte_vdpa_get_device(did);
+ vdpa_dev = vsocket->vdpa_dev;
if (!vdpa_dev || !vdpa_dev->ops->get_protocol_features) {
*protocol_features = vsocket->protocol_features;
goto unlock_exit;
}
- if (vdpa_dev->ops->get_protocol_features(did,
+ if (vdpa_dev->ops->get_protocol_features(vdpa_dev,
&vdpa_protocol_features) < 0) {
VHOST_LOG_CONFIG(ERR,
"failed to get vdpa protocol features "
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);
goto unlock_exit;
}
- did = vsocket->vdpa_dev_id;
- vdpa_dev = rte_vdpa_get_device(did);
+ vdpa_dev = vsocket->vdpa_dev;
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) {
+ if (vdpa_dev->ops->get_queue_num(vdpa_dev, &vdpa_queue_num) < 0) {
VHOST_LOG_CONFIG(ERR,
"failed to get vdpa queue number "
"for socket file %s.\n", path);
"error: failed to init connection mutex\n");
goto out_free;
}
- vsocket->vdpa_dev_id = -1;
+ vsocket->vdpa_dev = NULL;
vsocket->dequeue_zero_copy = flags & RTE_VHOST_USER_DEQUEUE_ZERO_COPY;
vsocket->extbuf = flags & RTE_VHOST_USER_EXTBUF_SUPPORT;
vsocket->linearbuf = flags & RTE_VHOST_USER_LINEARBUF_SUPPORT;
ret = -1;
goto out_mutex;
}
+ if ((flags & RTE_VHOST_USER_CLIENT) != 0) {
+ VHOST_LOG_CONFIG(ERR,
+ "error: zero copy is incompatible with vhost client mode\n");
+ ret = -1;
+ goto out_mutex;
+ }
vsocket->supported_features &= ~(1ULL << VIRTIO_F_IN_ORDER);
vsocket->features &= ~(1ULL << VIRTIO_F_IN_ORDER);