net/ice: enable Rx timestamp on flex descriptor
[dpdk.git] / lib / vhost / vhost.c
index 3f82d3f..9540522 100644 (file)
@@ -1500,7 +1500,8 @@ rte_vhost_get_vdpa_device(int vid)
        return dev->vdpa_dev;
 }
 
-int rte_vhost_get_log_base(int vid, uint64_t *log_base,
+int
+rte_vhost_get_log_base(int vid, uint64_t *log_base,
                uint64_t *log_size)
 {
        struct virtio_net *dev = get_device(vid);
@@ -1514,7 +1515,8 @@ int rte_vhost_get_log_base(int vid, uint64_t *log_base,
        return 0;
 }
 
-int rte_vhost_get_vring_base(int vid, uint16_t queue_id,
+int
+rte_vhost_get_vring_base(int vid, uint16_t queue_id,
                uint16_t *last_avail_idx, uint16_t *last_used_idx)
 {
        struct vhost_virtqueue *vq;
@@ -1543,7 +1545,8 @@ int rte_vhost_get_vring_base(int vid, uint16_t queue_id,
        return 0;
 }
 
-int rte_vhost_set_vring_base(int vid, uint16_t queue_id,
+int
+rte_vhost_set_vring_base(int vid, uint16_t queue_id,
                uint16_t last_avail_idx, uint16_t last_used_idx)
 {
        struct vhost_virtqueue *vq;
@@ -1606,7 +1609,8 @@ rte_vhost_get_vring_base_from_inflight(int vid,
        return 0;
 }
 
-int rte_vhost_extern_callback_register(int vid,
+int
+rte_vhost_extern_callback_register(int vid,
                struct rte_vhost_user_extern_ops const * const ops, void *ctx)
 {
        struct virtio_net *dev = get_device(vid);
@@ -1619,45 +1623,18 @@ int rte_vhost_extern_callback_register(int vid,
        return 0;
 }
 
-int rte_vhost_async_channel_register(int vid, uint16_t queue_id,
-                                       uint32_t features,
-                                       struct rte_vhost_async_channel_ops *ops)
+static __rte_always_inline int
+async_channel_register(int vid, uint16_t queue_id,
+               struct rte_vhost_async_channel_ops *ops)
 {
-       struct vhost_virtqueue *vq;
        struct virtio_net *dev = get_device(vid);
-       struct rte_vhost_async_features f;
-
-       if (dev == NULL || ops == NULL)
-               return -1;
-
-       f.intval = features;
-
-       if (queue_id >= VHOST_MAX_VRING)
-               return -1;
-
-       vq = dev->virtqueue[queue_id];
-
-       if (unlikely(vq == NULL || !dev->async_copy))
-               return -1;
-
-       if (unlikely(!f.async_inorder)) {
-               VHOST_LOG_CONFIG(ERR,
-                       "async copy is not supported on non-inorder mode "
-                       "(vid %d, qid: %d)\n", vid, queue_id);
-               return -1;
-       }
-
-       if (unlikely(ops->check_completed_copies == NULL ||
-               ops->transfer_data == NULL))
-               return -1;
-
-       rte_spinlock_lock(&vq->access_lock);
+       struct vhost_virtqueue *vq = dev->virtqueue[queue_id];
 
        if (unlikely(vq->async_registered)) {
                VHOST_LOG_CONFIG(ERR,
                        "async register failed: channel already registered "
                        "(vid %d, qid: %d)\n", vid, queue_id);
-               goto reg_out;
+               return -1;
        }
 
        vq->async_pkts_info = rte_malloc_socket(NULL,
@@ -1668,7 +1645,7 @@ int rte_vhost_async_channel_register(int vid, uint16_t queue_id,
                VHOST_LOG_CONFIG(ERR,
                        "async register failed: cannot allocate memory for async_pkts_info "
                        "(vid %d, qid: %d)\n", vid, queue_id);
-               goto reg_out;
+               return -1;
        }
 
        vq->it_pool = rte_malloc_socket(NULL,
@@ -1679,7 +1656,7 @@ int rte_vhost_async_channel_register(int vid, uint16_t queue_id,
                VHOST_LOG_CONFIG(ERR,
                        "async register failed: cannot allocate memory for it_pool "
                        "(vid %d, qid: %d)\n", vid, queue_id);
-               goto reg_out;
+               return -1;
        }
 
        vq->vec_pool = rte_malloc_socket(NULL,
@@ -1690,7 +1667,7 @@ int rte_vhost_async_channel_register(int vid, uint16_t queue_id,
                VHOST_LOG_CONFIG(ERR,
                        "async register failed: cannot allocate memory for vec_pool "
                        "(vid %d, qid: %d)\n", vid, queue_id);
-               goto reg_out;
+               return -1;
        }
 
        if (vq_is_packed(dev)) {
@@ -1702,7 +1679,7 @@ int rte_vhost_async_channel_register(int vid, uint16_t queue_id,
                        VHOST_LOG_CONFIG(ERR,
                                "async register failed: cannot allocate memory for async buffers "
                                "(vid %d, qid: %d)\n", vid, queue_id);
-                       goto reg_out;
+                       return -1;
                }
        } else {
                vq->async_descs_split = rte_malloc_socket(NULL,
@@ -1713,25 +1690,91 @@ int rte_vhost_async_channel_register(int vid, uint16_t queue_id,
                        VHOST_LOG_CONFIG(ERR,
                                "async register failed: cannot allocate memory for async descs "
                                "(vid %d, qid: %d)\n", vid, queue_id);
-                       goto reg_out;
+                       return -1;
                }
        }
 
        vq->async_ops.check_completed_copies = ops->check_completed_copies;
        vq->async_ops.transfer_data = ops->transfer_data;
 
-       vq->async_inorder = f.async_inorder;
-       vq->async_threshold = f.async_threshold;
-
        vq->async_registered = true;
 
-reg_out:
+       return 0;
+}
+
+int
+rte_vhost_async_channel_register(int vid, uint16_t queue_id,
+               struct rte_vhost_async_config config,
+               struct rte_vhost_async_channel_ops *ops)
+{
+       struct vhost_virtqueue *vq;
+       struct virtio_net *dev = get_device(vid);
+       int ret;
+
+       if (dev == NULL || ops == NULL)
+               return -1;
+
+       if (queue_id >= VHOST_MAX_VRING)
+               return -1;
+
+       vq = dev->virtqueue[queue_id];
+
+       if (unlikely(vq == NULL || !dev->async_copy))
+               return -1;
+
+       if (unlikely(!(config.features & RTE_VHOST_ASYNC_INORDER))) {
+               VHOST_LOG_CONFIG(ERR,
+                       "async copy is not supported on non-inorder mode "
+                       "(vid %d, qid: %d)\n", vid, queue_id);
+               return -1;
+       }
+
+       if (unlikely(ops->check_completed_copies == NULL ||
+               ops->transfer_data == NULL))
+               return -1;
+
+       rte_spinlock_lock(&vq->access_lock);
+       ret = async_channel_register(vid, queue_id, ops);
        rte_spinlock_unlock(&vq->access_lock);
 
-       return 0;
+       return ret;
+}
+
+int
+rte_vhost_async_channel_register_thread_unsafe(int vid, uint16_t queue_id,
+               struct rte_vhost_async_config config,
+               struct rte_vhost_async_channel_ops *ops)
+{
+       struct vhost_virtqueue *vq;
+       struct virtio_net *dev = get_device(vid);
+
+       if (dev == NULL || ops == NULL)
+               return -1;
+
+       if (queue_id >= VHOST_MAX_VRING)
+               return -1;
+
+       vq = dev->virtqueue[queue_id];
+
+       if (unlikely(vq == NULL || !dev->async_copy))
+               return -1;
+
+       if (unlikely(!(config.features & RTE_VHOST_ASYNC_INORDER))) {
+               VHOST_LOG_CONFIG(ERR,
+                       "async copy is not supported on non-inorder mode "
+                       "(vid %d, qid: %d)\n", vid, queue_id);
+               return -1;
+       }
+
+       if (unlikely(ops->check_completed_copies == NULL ||
+               ops->transfer_data == NULL))
+               return -1;
+
+       return async_channel_register(vid, queue_id, ops);
 }
 
-int rte_vhost_async_channel_unregister(int vid, uint16_t queue_id)
+int
+rte_vhost_async_channel_unregister(int vid, uint16_t queue_id)
 {
        struct vhost_virtqueue *vq;
        struct virtio_net *dev = get_device(vid);
@@ -1778,7 +1821,43 @@ out:
        return ret;
 }
 
-int rte_vhost_async_get_inflight(int vid, uint16_t queue_id)
+int
+rte_vhost_async_channel_unregister_thread_unsafe(int vid, uint16_t queue_id)
+{
+       struct vhost_virtqueue *vq;
+       struct virtio_net *dev = get_device(vid);
+
+       if (dev == NULL)
+               return -1;
+
+       if (queue_id >= VHOST_MAX_VRING)
+               return -1;
+
+       vq = dev->virtqueue[queue_id];
+
+       if (vq == NULL)
+               return -1;
+
+       if (!vq->async_registered)
+               return 0;
+
+       if (vq->async_pkts_inflight_n) {
+               VHOST_LOG_CONFIG(ERR, "Failed to unregister async channel. "
+                       "async inflight packets must be completed before unregistration.\n");
+               return -1;
+       }
+
+       vhost_free_async_mem(vq);
+
+       vq->async_ops.transfer_data = NULL;
+       vq->async_ops.check_completed_copies = NULL;
+       vq->async_registered = false;
+
+       return 0;
+}
+
+int
+rte_vhost_async_get_inflight(int vid, uint16_t queue_id)
 {
        struct vhost_virtqueue *vq;
        struct virtio_net *dev = get_device(vid);
@@ -1808,7 +1887,6 @@ int rte_vhost_async_get_inflight(int vid, uint16_t queue_id)
        rte_spinlock_unlock(&vq->access_lock);
 
        return ret;
-
 }
 
 RTE_LOG_REGISTER_SUFFIX(vhost_config_log_level, config, INFO);