net/ice: enable Rx timestamp on flex descriptor
[dpdk.git] / lib / vhost / vhost.c
index a70fe01..9540522 100644 (file)
@@ -261,7 +261,7 @@ vhost_alloc_copy_ind_table(struct virtio_net *dev, struct vhost_virtqueue *vq,
        uint64_t src, dst;
        uint64_t len, remain = desc_len;
 
-       idesc = rte_malloc(__func__, desc_len, 0);
+       idesc = rte_malloc_socket(__func__, desc_len, 0, vq->numa_node);
        if (unlikely(!idesc))
                return NULL;
 
@@ -312,10 +312,10 @@ cleanup_vq_inflight(struct virtio_net *dev, struct vhost_virtqueue *vq)
 
        if (vq->resubmit_inflight) {
                if (vq->resubmit_inflight->resubmit_list) {
-                       free(vq->resubmit_inflight->resubmit_list);
+                       rte_free(vq->resubmit_inflight->resubmit_list);
                        vq->resubmit_inflight->resubmit_list = NULL;
                }
-               free(vq->resubmit_inflight);
+               rte_free(vq->resubmit_inflight);
                vq->resubmit_inflight = NULL;
        }
 }
@@ -340,17 +340,17 @@ cleanup_device(struct virtio_net *dev, int destroy)
 static void
 vhost_free_async_mem(struct vhost_virtqueue *vq)
 {
-       if (vq->async_pkts_info)
-               rte_free(vq->async_pkts_info);
-       if (vq->async_descs_split)
-               rte_free(vq->async_descs_split);
-       if (vq->it_pool)
-               rte_free(vq->it_pool);
-       if (vq->vec_pool)
-               rte_free(vq->vec_pool);
+       rte_free(vq->async_pkts_info);
 
-       vq->async_pkts_info = NULL;
+       rte_free(vq->async_buffers_packed);
+       vq->async_buffers_packed = NULL;
+       rte_free(vq->async_descs_split);
        vq->async_descs_split = NULL;
+
+       rte_free(vq->it_pool);
+       rte_free(vq->vec_pool);
+
+       vq->async_pkts_info = NULL;
        vq->it_pool = NULL;
        vq->vec_pool = NULL;
 }
@@ -360,13 +360,12 @@ free_vq(struct virtio_net *dev, struct vhost_virtqueue *vq)
 {
        if (vq_is_packed(dev))
                rte_free(vq->shadow_used_packed);
-       else {
+       else
                rte_free(vq->shadow_used_split);
-               vhost_free_async_mem(vq);
-       }
+
+       vhost_free_async_mem(vq);
        rte_free(vq->batch_copy_elems);
-       if (vq->iotlb_pool)
-               rte_mempool_free(vq->iotlb_pool);
+       rte_mempool_free(vq->iotlb_pool);
        rte_free(vq->log_cache);
        rte_free(vq);
 }
@@ -550,6 +549,7 @@ static void
 init_vring_queue(struct virtio_net *dev, uint32_t vring_idx)
 {
        struct vhost_virtqueue *vq;
+       int numa_node = SOCKET_ID_ANY;
 
        if (vring_idx >= VHOST_MAX_VRING) {
                VHOST_LOG_CONFIG(ERR,
@@ -570,6 +570,17 @@ init_vring_queue(struct virtio_net *dev, uint32_t vring_idx)
        vq->kickfd = VIRTIO_UNINITIALIZED_EVENTFD;
        vq->callfd = VIRTIO_UNINITIALIZED_EVENTFD;
        vq->notif_enable = VIRTIO_UNINITIALIZED_NOTIF;
+
+#ifdef RTE_LIBRTE_VHOST_NUMA
+       if (get_mempolicy(&numa_node, NULL, 0, vq, MPOL_F_NODE | MPOL_F_ADDR)) {
+               VHOST_LOG_CONFIG(ERR, "(%d) failed to query numa node: %s\n",
+                       dev->vid, rte_strerror(errno));
+               numa_node = SOCKET_ID_ANY;
+       }
+#endif
+       vq->numa_node = numa_node;
+
+       vhost_user_iotlb_init(dev, vring_idx);
 }
 
 static void
@@ -608,7 +619,7 @@ alloc_vring_queue(struct virtio_net *dev, uint32_t vring_idx)
                if (dev->virtqueue[i])
                        continue;
 
-               vq = rte_malloc(NULL, sizeof(struct vhost_virtqueue), 0);
+               vq = rte_zmalloc(NULL, sizeof(struct vhost_virtqueue), 0);
                if (vq == NULL) {
                        VHOST_LOG_CONFIG(ERR,
                                "Failed to allocate memory for vring:%u.\n", i);
@@ -752,7 +763,7 @@ vhost_set_ifname(int vid, const char *if_name, unsigned int if_len)
 }
 
 void
-vhost_set_builtin_virtio_net(int vid, bool enable)
+vhost_setup_virtio_net(int vid, bool enable, bool compliant_ol_flags)
 {
        struct virtio_net *dev = get_device(vid);
 
@@ -763,6 +774,10 @@ vhost_set_builtin_virtio_net(int vid, bool enable)
                dev->flags |= VIRTIO_DEV_BUILTIN_VIRTIO_NET;
        else
                dev->flags &= ~VIRTIO_DEV_BUILTIN_VIRTIO_NET;
+       if (!compliant_ol_flags)
+               dev->flags |= VIRTIO_DEV_LEGACY_OL_FLAGS;
+       else
+               dev->flags &= ~VIRTIO_DEV_LEGACY_OL_FLAGS;
 }
 
 void
@@ -1485,7 +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);
@@ -1499,7 +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;
@@ -1528,7 +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;
@@ -1591,7 +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);
@@ -1604,20 +1623,97 @@ 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 virtio_net *dev = get_device(vid);
+       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);
+               return -1;
+       }
+
+       vq->async_pkts_info = rte_malloc_socket(NULL,
+                       vq->size * sizeof(struct async_inflight_info),
+                       RTE_CACHE_LINE_SIZE, vq->numa_node);
+       if (!vq->async_pkts_info) {
+               vhost_free_async_mem(vq);
+               VHOST_LOG_CONFIG(ERR,
+                       "async register failed: cannot allocate memory for async_pkts_info "
+                       "(vid %d, qid: %d)\n", vid, queue_id);
+               return -1;
+       }
+
+       vq->it_pool = rte_malloc_socket(NULL,
+                       VHOST_MAX_ASYNC_IT * sizeof(struct rte_vhost_iov_iter),
+                       RTE_CACHE_LINE_SIZE, vq->numa_node);
+       if (!vq->it_pool) {
+               vhost_free_async_mem(vq);
+               VHOST_LOG_CONFIG(ERR,
+                       "async register failed: cannot allocate memory for it_pool "
+                       "(vid %d, qid: %d)\n", vid, queue_id);
+               return -1;
+       }
+
+       vq->vec_pool = rte_malloc_socket(NULL,
+                       VHOST_MAX_ASYNC_VEC * sizeof(struct iovec),
+                       RTE_CACHE_LINE_SIZE, vq->numa_node);
+       if (!vq->vec_pool) {
+               vhost_free_async_mem(vq);
+               VHOST_LOG_CONFIG(ERR,
+                       "async register failed: cannot allocate memory for vec_pool "
+                       "(vid %d, qid: %d)\n", vid, queue_id);
+               return -1;
+       }
+
+       if (vq_is_packed(dev)) {
+               vq->async_buffers_packed = rte_malloc_socket(NULL,
+                       vq->size * sizeof(struct vring_used_elem_packed),
+                       RTE_CACHE_LINE_SIZE, vq->numa_node);
+               if (!vq->async_buffers_packed) {
+                       vhost_free_async_mem(vq);
+                       VHOST_LOG_CONFIG(ERR,
+                               "async register failed: cannot allocate memory for async buffers "
+                               "(vid %d, qid: %d)\n", vid, queue_id);
+                       return -1;
+               }
+       } else {
+               vq->async_descs_split = rte_malloc_socket(NULL,
+                       vq->size * sizeof(struct vring_used_elem),
+                       RTE_CACHE_LINE_SIZE, vq->numa_node);
+               if (!vq->async_descs_split) {
+                       vhost_free_async_mem(vq);
+                       VHOST_LOG_CONFIG(ERR,
+                               "async register failed: cannot allocate memory for async descs "
+                               "(vid %d, qid: %d)\n", vid, queue_id);
+                       return -1;
+               }
+       }
+
+       vq->async_ops.check_completed_copies = ops->check_completed_copies;
+       vq->async_ops.transfer_data = ops->transfer_data;
+
+       vq->async_registered = true;
+
+       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);
-       struct rte_vhost_async_features f;
-       int node;
+       int ret;
 
        if (dev == NULL || ops == NULL)
                return -1;
 
-       f.intval = features;
-
        if (queue_id >= VHOST_MAX_VRING)
                return -1;
 
@@ -1626,10 +1722,9 @@ int rte_vhost_async_channel_register(int vid, uint16_t queue_id,
        if (unlikely(vq == NULL || !dev->async_copy))
                return -1;
 
-       /* packed queue is not supported */
-       if (unlikely(vq_is_packed(dev) || !f.async_inorder)) {
+       if (unlikely(!(config.features & RTE_VHOST_ASYNC_INORDER))) {
                VHOST_LOG_CONFIG(ERR,
-                       "async copy is not supported on packed queue or non-inorder mode "
+                       "async copy is not supported on non-inorder mode "
                        "(vid %d, qid: %d)\n", vid, queue_id);
                return -1;
        }
@@ -1639,61 +1734,47 @@ int rte_vhost_async_channel_register(int vid, uint16_t queue_id,
                return -1;
 
        rte_spinlock_lock(&vq->access_lock);
+       ret = async_channel_register(vid, queue_id, ops);
+       rte_spinlock_unlock(&vq->access_lock);
 
-       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 ret;
+}
 
-#ifdef RTE_LIBRTE_VHOST_NUMA
-       if (get_mempolicy(&node, NULL, 0, vq, MPOL_F_NODE | MPOL_F_ADDR)) {
-               VHOST_LOG_CONFIG(ERR,
-                       "unable to get numa information in async register. "
-                       "allocating async buffer memory on the caller thread node\n");
-               node = SOCKET_ID_ANY;
-       }
-#else
-       node = SOCKET_ID_ANY;
-#endif
+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);
 
-       vq->async_pkts_info = rte_malloc_socket(NULL,
-                       vq->size * sizeof(struct async_inflight_info),
-                       RTE_CACHE_LINE_SIZE, node);
-       vq->it_pool = rte_malloc_socket(NULL,
-                       VHOST_MAX_ASYNC_IT * sizeof(struct rte_vhost_iov_iter),
-                       RTE_CACHE_LINE_SIZE, node);
-       vq->vec_pool = rte_malloc_socket(NULL,
-                       VHOST_MAX_ASYNC_VEC * sizeof(struct iovec),
-                       RTE_CACHE_LINE_SIZE, node);
-       vq->async_descs_split = rte_malloc_socket(NULL,
-                       vq->size * sizeof(struct vring_used_elem),
-                       RTE_CACHE_LINE_SIZE, node);
-       if (!vq->async_descs_split || !vq->async_pkts_info ||
-               !vq->it_pool || !vq->vec_pool) {
-               vhost_free_async_mem(vq);
-               VHOST_LOG_CONFIG(ERR,
-                               "async register failed: cannot allocate memory for vq data "
-                               "(vid %d, qid: %d)\n", vid, queue_id);
-               goto reg_out;
-       }
+       if (dev == NULL || ops == NULL)
+               return -1;
 
-       vq->async_ops.check_completed_copies = ops->check_completed_copies;
-       vq->async_ops.transfer_data = ops->transfer_data;
+       if (queue_id >= VHOST_MAX_VRING)
+               return -1;
 
-       vq->async_inorder = f.async_inorder;
-       vq->async_threshold = f.async_threshold;
+       vq = dev->virtqueue[queue_id];
 
-       vq->async_registered = true;
+       if (unlikely(vq == NULL || !dev->async_copy))
+               return -1;
 
-reg_out:
-       rte_spinlock_unlock(&vq->access_lock);
+       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;
+       }
 
-       return 0;
+       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);
@@ -1740,5 +1821,73 @@ out:
        return ret;
 }
 
-RTE_LOG_REGISTER(vhost_config_log_level, lib.vhost.config, INFO);
-RTE_LOG_REGISTER(vhost_data_log_level, lib.vhost.data, WARNING);
+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);
+       int ret = -1;
+
+       if (dev == NULL)
+               return ret;
+
+       if (queue_id >= VHOST_MAX_VRING)
+               return ret;
+
+       vq = dev->virtqueue[queue_id];
+
+       if (vq == NULL)
+               return ret;
+
+       if (!vq->async_registered)
+               return ret;
+
+       if (!rte_spinlock_trylock(&vq->access_lock)) {
+               VHOST_LOG_CONFIG(DEBUG, "Failed to check in-flight packets. "
+                       "virt queue busy.\n");
+               return ret;
+       }
+
+       ret = vq->async_pkts_inflight_n;
+       rte_spinlock_unlock(&vq->access_lock);
+
+       return ret;
+}
+
+RTE_LOG_REGISTER_SUFFIX(vhost_config_log_level, config, INFO);
+RTE_LOG_REGISTER_SUFFIX(vhost_data_log_level, data, WARNING);