net/mlx5: add more checks on MAC addresses
[dpdk.git] / lib / librte_vhost / vhost_user.c
index 5c53610..90194bf 100644 (file)
@@ -1,5 +1,5 @@
 /* SPDX-License-Identifier: BSD-3-Clause
- * Copyright(c) 2010-2016 Intel Corporation
+ * Copyright(c) 2010-2018 Intel Corporation
  */
 
 /* Security model
@@ -67,6 +67,8 @@ static const char *vhost_message_str[VHOST_USER_MAX] = {
        [VHOST_USER_NET_SET_MTU]  = "VHOST_USER_NET_SET_MTU",
        [VHOST_USER_SET_SLAVE_REQ_FD]  = "VHOST_USER_SET_SLAVE_REQ_FD",
        [VHOST_USER_IOTLB_MSG]  = "VHOST_USER_IOTLB_MSG",
+       [VHOST_USER_CRYPTO_CREATE_SESS] = "VHOST_USER_CRYPTO_CREATE_SESS",
+       [VHOST_USER_CRYPTO_CLOSE_SESS] = "VHOST_USER_CRYPTO_CLOSE_SESS",
 };
 
 static uint64_t
@@ -133,7 +135,14 @@ vhost_user_set_owner(void)
 static int
 vhost_user_reset_owner(struct virtio_net *dev)
 {
+       struct rte_vdpa_device *vdpa_dev;
+       int did = -1;
+
        if (dev->flags & VIRTIO_DEV_RUNNING) {
+               did = dev->vdpa_dev_id;
+               vdpa_dev = rte_vdpa_get_device(did);
+               if (vdpa_dev && vdpa_dev->ops->dev_close)
+                       vdpa_dev->ops->dev_close(dev->vid);
                dev->flags &= ~VIRTIO_DEV_RUNNING;
                dev->notify_ops->destroy_device(dev->vid);
        }
@@ -155,6 +164,18 @@ vhost_user_get_features(struct virtio_net *dev)
        return features;
 }
 
+/*
+ * The queue number that we support are requested.
+ */
+static uint32_t
+vhost_user_get_queue_num(struct virtio_net *dev)
+{
+       uint32_t queue_num = 0;
+
+       rte_vhost_driver_get_queue_num(dev->ifname, &queue_num);
+       return queue_num;
+}
+
 /*
  * We receive the negotiated features supported by us and the virtio device.
  */
@@ -162,6 +183,8 @@ static int
 vhost_user_set_features(struct virtio_net *dev, uint64_t features)
 {
        uint64_t vhost_features = 0;
+       struct rte_vdpa_device *vdpa_dev;
+       int did = -1;
 
        rte_vhost_driver_get_features(dev->ifname, &vhost_features);
        if (features & ~vhost_features) {
@@ -191,6 +214,11 @@ vhost_user_set_features(struct virtio_net *dev, uint64_t features)
                        dev->notify_ops->features_changed(dev->vid, features);
        }
 
+       did = dev->vdpa_dev_id;
+       vdpa_dev = rte_vdpa_get_device(did);
+       if (vdpa_dev && vdpa_dev->ops->set_features)
+               vdpa_dev->ops->set_features(dev->vid);
+
        dev->features = features;
        if (dev->features &
                ((1 << VIRTIO_NET_F_MRG_RXBUF) | (1ULL << VIRTIO_F_VERSION_1))) {
@@ -394,21 +422,26 @@ numa_realloc(struct virtio_net *dev, int index __rte_unused)
 
 /* Converts QEMU virtual address to Vhost virtual address. */
 static uint64_t
-qva_to_vva(struct virtio_net *dev, uint64_t qva)
+qva_to_vva(struct virtio_net *dev, uint64_t qva, uint64_t *len)
 {
-       struct rte_vhost_mem_region *reg;
+       struct rte_vhost_mem_region *r;
        uint32_t i;
 
        /* Find the region where the address lives. */
        for (i = 0; i < dev->mem->nregions; i++) {
-               reg = &dev->mem->regions[i];
+               r = &dev->mem->regions[i];
 
-               if (qva >= reg->guest_user_addr &&
-                   qva <  reg->guest_user_addr + reg->size) {
-                       return qva - reg->guest_user_addr +
-                              reg->host_user_addr;
+               if (qva >= r->guest_user_addr &&
+                   qva <  r->guest_user_addr + r->size) {
+
+                       if (unlikely(*len > r->guest_user_addr + r->size - qva))
+                               *len = r->guest_user_addr + r->size - qva;
+
+                       return qva - r->guest_user_addr +
+                              r->host_user_addr;
                }
        }
+       *len = 0;
 
        return 0;
 }
@@ -421,20 +454,20 @@ qva_to_vva(struct virtio_net *dev, uint64_t qva)
  */
 static uint64_t
 ring_addr_to_vva(struct virtio_net *dev, struct vhost_virtqueue *vq,
-               uint64_t ra, uint64_t size)
+               uint64_t ra, uint64_t *size)
 {
        if (dev->features & (1ULL << VIRTIO_F_IOMMU_PLATFORM)) {
                uint64_t vva;
 
                vva = vhost_user_iotlb_cache_find(vq, ra,
-                                       &size, VHOST_ACCESS_RW);
+                                       size, VHOST_ACCESS_RW);
                if (!vva)
                        vhost_user_iotlb_miss(dev, ra, VHOST_ACCESS_RW);
 
                return vva;
        }
 
-       return qva_to_vva(dev, ra);
+       return qva_to_vva(dev, ra, size);
 }
 
 static struct virtio_net *
@@ -442,16 +475,18 @@ translate_ring_addresses(struct virtio_net *dev, int vq_index)
 {
        struct vhost_virtqueue *vq = dev->virtqueue[vq_index];
        struct vhost_vring_addr *addr = &vq->ring_addrs;
+       uint64_t len;
 
        /* The addresses are converted from QEMU virtual to Vhost virtual. */
        if (vq->desc && vq->avail && vq->used)
                return dev;
 
+       len = sizeof(struct vring_desc) * vq->size;
        vq->desc = (struct vring_desc *)(uintptr_t)ring_addr_to_vva(dev,
-                       vq, addr->desc_user_addr, sizeof(struct vring_desc));
-       if (vq->desc == 0) {
+                       vq, addr->desc_user_addr, &len);
+       if (vq->desc == 0 || len != sizeof(struct vring_desc) * vq->size) {
                RTE_LOG(DEBUG, VHOST_CONFIG,
-                       "(%d) failed to find desc ring address.\n",
+                       "(%d) failed to map desc ring.\n",
                        dev->vid);
                return dev;
        }
@@ -460,20 +495,26 @@ translate_ring_addresses(struct virtio_net *dev, int vq_index)
        vq = dev->virtqueue[vq_index];
        addr = &vq->ring_addrs;
 
+       len = sizeof(struct vring_avail) + sizeof(uint16_t) * vq->size;
        vq->avail = (struct vring_avail *)(uintptr_t)ring_addr_to_vva(dev,
-                       vq, addr->avail_user_addr, sizeof(struct vring_avail));
-       if (vq->avail == 0) {
+                       vq, addr->avail_user_addr, &len);
+       if (vq->avail == 0 ||
+                       len != sizeof(struct vring_avail) +
+                       sizeof(uint16_t) * vq->size) {
                RTE_LOG(DEBUG, VHOST_CONFIG,
-                       "(%d) failed to find avail ring address.\n",
+                       "(%d) failed to map avail ring.\n",
                        dev->vid);
                return dev;
        }
 
+       len = sizeof(struct vring_used) +
+               sizeof(struct vring_used_elem) * vq->size;
        vq->used = (struct vring_used *)(uintptr_t)ring_addr_to_vva(dev,
-                       vq, addr->used_user_addr, sizeof(struct vring_used));
-       if (vq->used == 0) {
+                       vq, addr->used_user_addr, &len);
+       if (vq->used == 0 || len != sizeof(struct vring_used) +
+                       sizeof(struct vring_used_elem) * vq->size) {
                RTE_LOG(DEBUG, VHOST_CONFIG,
-                       "(%d) failed to find used ring address.\n",
+                       "(%d) failed to map used ring.\n",
                        dev->vid);
                return dev;
        }
@@ -684,6 +725,7 @@ vhost_user_set_mem_table(struct virtio_net *dev, struct VhostUserMsg *pmsg)
        uint64_t mmap_offset;
        uint64_t alignment;
        uint32_t i;
+       int populate;
        int fd;
 
        if (memory.nregions > VHOST_MEMORY_MAX_NREGIONS) {
@@ -770,8 +812,9 @@ vhost_user_set_mem_table(struct virtio_net *dev, struct VhostUserMsg *pmsg)
                }
                mmap_size = RTE_ALIGN_CEIL(mmap_size, alignment);
 
+               populate = (dev->dequeue_zero_copy) ? MAP_POPULATE : 0;
                mmap_addr = mmap(NULL, mmap_size, PROT_READ | PROT_WRITE,
-                                MAP_SHARED | MAP_POPULATE, fd, 0);
+                                MAP_SHARED | populate, fd, 0);
 
                if (mmap_addr == MAP_FAILED) {
                        RTE_LOG(ERR, VHOST_CONFIG,
@@ -933,14 +976,21 @@ vhost_user_get_vring_base(struct virtio_net *dev,
                          VhostUserMsg *msg)
 {
        struct vhost_virtqueue *vq = dev->virtqueue[msg->payload.state.index];
+       struct rte_vdpa_device *vdpa_dev;
+       int did = -1;
 
        /* We have to stop the queue (virtio) if it is running. */
        if (dev->flags & VIRTIO_DEV_RUNNING) {
+               did = dev->vdpa_dev_id;
+               vdpa_dev = rte_vdpa_get_device(did);
+               if (vdpa_dev && vdpa_dev->ops->dev_close)
+                       vdpa_dev->ops->dev_close(dev->vid);
                dev->flags &= ~VIRTIO_DEV_RUNNING;
                dev->notify_ops->destroy_device(dev->vid);
        }
 
        dev->flags &= ~VIRTIO_DEV_READY;
+       dev->flags &= ~VIRTIO_DEV_VDPA_CONFIGURED;
 
        /* Here we are safe to get the last avail index */
        msg->payload.state.num = vq->last_avail_idx;
@@ -983,16 +1033,24 @@ vhost_user_set_vring_enable(struct virtio_net *dev,
                            VhostUserMsg *msg)
 {
        int enable = (int)msg->payload.state.num;
+       int index = (int)msg->payload.state.index;
+       struct rte_vdpa_device *vdpa_dev;
+       int did = -1;
 
        RTE_LOG(INFO, VHOST_CONFIG,
                "set queue enable: %d to qp idx: %d\n",
-               enable, msg->payload.state.index);
+               enable, index);
+
+       did = dev->vdpa_dev_id;
+       vdpa_dev = rte_vdpa_get_device(did);
+       if (vdpa_dev && vdpa_dev->ops->set_vring_state)
+               vdpa_dev->ops->set_vring_state(dev->vid, index, enable);
 
        if (dev->notify_ops->vring_state_changed)
                dev->notify_ops->vring_state_changed(dev->vid,
-                               msg->payload.state.index, enable);
+                               index, enable);
 
-       dev->virtqueue[msg->payload.state.index]->enabled = enable;
+       dev->virtqueue[index]->enabled = enable;
 
        return 0;
 }
@@ -1001,9 +1059,10 @@ static void
 vhost_user_get_protocol_features(struct virtio_net *dev,
                                 struct VhostUserMsg *msg)
 {
-       uint64_t features, protocol_features = VHOST_USER_PROTOCOL_FEATURES;
+       uint64_t features, protocol_features;
 
        rte_vhost_driver_get_features(dev->ifname, &features);
+       rte_vhost_driver_get_protocol_features(dev->ifname, &protocol_features);
 
        /*
         * REPLY_ACK protocol feature is only mandatory for now
@@ -1099,6 +1158,8 @@ static int
 vhost_user_send_rarp(struct virtio_net *dev, struct VhostUserMsg *msg)
 {
        uint8_t *mac = (uint8_t *)&msg->payload.u64;
+       struct rte_vdpa_device *vdpa_dev;
+       int did = -1;
 
        RTE_LOG(DEBUG, VHOST_CONFIG,
                ":: mac: %02x:%02x:%02x:%02x:%02x:%02x\n",
@@ -1114,6 +1175,10 @@ vhost_user_send_rarp(struct virtio_net *dev, struct VhostUserMsg *msg)
         */
        rte_smp_wmb();
        rte_atomic16_set(&dev->broadcast_rarp, 1);
+       did = dev->vdpa_dev_id;
+       vdpa_dev = rte_vdpa_get_device(did);
+       if (vdpa_dev && vdpa_dev->ops->migration_done)
+               vdpa_dev->ops->migration_done(dev->vid);
 
        return 0;
 }
@@ -1206,11 +1271,12 @@ vhost_user_iotlb_msg(struct virtio_net **pdev, struct VhostUserMsg *msg)
        struct virtio_net *dev = *pdev;
        struct vhost_iotlb_msg *imsg = &msg->payload.iotlb;
        uint16_t i;
-       uint64_t vva;
+       uint64_t vva, len;
 
        switch (imsg->type) {
        case VHOST_IOTLB_UPDATE:
-               vva = qva_to_vva(dev, imsg->uaddr);
+               len = imsg->size;
+               vva = qva_to_vva(dev, imsg->uaddr, &len);
                if (!vva)
                        return -1;
 
@@ -1218,7 +1284,7 @@ vhost_user_iotlb_msg(struct virtio_net **pdev, struct VhostUserMsg *msg)
                        struct vhost_virtqueue *vq = dev->virtqueue[i];
 
                        vhost_user_iotlb_cache_insert(vq, imsg->iova, vva,
-                                       imsg->size, imsg->perm);
+                                       len, imsg->perm);
 
                        if (is_vring_iotlb_update(vq, imsg))
                                *pdev = dev = translate_ring_addresses(dev, i);
@@ -1275,13 +1341,13 @@ read_vhost_message(int sockfd, struct VhostUserMsg *msg)
 }
 
 static int
-send_vhost_message(int sockfd, struct VhostUserMsg *msg)
+send_vhost_message(int sockfd, struct VhostUserMsg *msg, int *fds, int fd_num)
 {
        if (!msg)
                return 0;
 
        return send_fd_message(sockfd, (char *)msg,
-               VHOST_USER_HDR_SIZE + msg->size, NULL, 0);
+               VHOST_USER_HDR_SIZE + msg->size, fds, fd_num);
 }
 
 static int
@@ -1295,7 +1361,7 @@ send_vhost_reply(int sockfd, struct VhostUserMsg *msg)
        msg->flags |= VHOST_USER_VERSION;
        msg->flags |= VHOST_USER_REPLY_MASK;
 
-       return send_vhost_message(sockfd, msg);
+       return send_vhost_message(sockfd, msg, NULL, 0);
 }
 
 /*
@@ -1375,8 +1441,11 @@ vhost_user_msg_handler(int vid, int fd)
 {
        struct virtio_net *dev;
        struct VhostUserMsg msg;
+       struct rte_vdpa_device *vdpa_dev;
+       int did = -1;
        int ret;
        int unlock_required = 0;
+       uint32_t skip_master = 0;
 
        dev = get_device(vid);
        if (dev == NULL)
@@ -1454,6 +1523,21 @@ vhost_user_msg_handler(int vid, int fd)
 
        }
 
+       if (dev->extern_ops.pre_msg_handle) {
+               uint32_t need_reply;
+
+               ret = (*dev->extern_ops.pre_msg_handle)(dev->vid,
+                               (void *)&msg, &need_reply, &skip_master);
+               if (ret < 0)
+                       goto skip_to_reply;
+
+               if (need_reply)
+                       send_vhost_reply(fd, &msg);
+
+               if (skip_master)
+                       goto skip_to_post_handle;
+       }
+
        switch (msg.request.master) {
        case VHOST_USER_GET_FEATURES:
                msg.payload.u64 = vhost_user_get_features(dev);
@@ -1527,7 +1611,7 @@ vhost_user_msg_handler(int vid, int fd)
                break;
 
        case VHOST_USER_GET_QUEUE_NUM:
-               msg.payload.u64 = VHOST_MAX_QUEUE_PAIRS;
+               msg.payload.u64 = (uint64_t)vhost_user_get_queue_num(dev);
                msg.size = sizeof(msg.payload.u64);
                send_vhost_reply(fd, &msg);
                break;
@@ -1554,9 +1638,22 @@ vhost_user_msg_handler(int vid, int fd)
        default:
                ret = -1;
                break;
+       }
+
+skip_to_post_handle:
+       if (dev->extern_ops.post_msg_handle) {
+               uint32_t need_reply;
+
+               ret = (*dev->extern_ops.post_msg_handle)(
+                               dev->vid, (void *)&msg, &need_reply);
+               if (ret < 0)
+                       goto skip_to_reply;
 
+               if (need_reply)
+                       send_vhost_reply(fd, &msg);
        }
 
+skip_to_reply:
        if (unlock_required)
                vhost_user_unlock_all_queue_pairs(dev);
 
@@ -1580,6 +1677,16 @@ vhost_user_msg_handler(int vid, int fd)
                }
        }
 
+       did = dev->vdpa_dev_id;
+       vdpa_dev = rte_vdpa_get_device(did);
+       if (vdpa_dev && virtio_is_ready(dev) &&
+                       !(dev->flags & VIRTIO_DEV_VDPA_CONFIGURED) &&
+                       msg.request.master == VHOST_USER_SET_VRING_ENABLE) {
+               if (vdpa_dev->ops->dev_conf)
+                       vdpa_dev->ops->dev_conf(dev->vid);
+               dev->flags |= VIRTIO_DEV_VDPA_CONFIGURED;
+       }
+
        return 0;
 }
 
@@ -1598,7 +1705,7 @@ vhost_user_iotlb_miss(struct virtio_net *dev, uint64_t iova, uint8_t perm)
                },
        };
 
-       ret = send_vhost_message(dev->slave_req_fd, &msg);
+       ret = send_vhost_message(dev->slave_req_fd, &msg, NULL, 0);
        if (ret < 0) {
                RTE_LOG(ERR, VHOST_CONFIG,
                                "Failed to send IOTLB miss message (%d)\n",