X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=lib%2Flibrte_vhost%2Fvhost_user.c;h=947290fc35ec2b08697ba37113bfdf8d5c2b0d6d;hb=52c5f7b5b4c9bf4a08a765f7c841786bc4eef4cf;hp=1a67e2c28827ef060902a7b33965a2d376872af9;hpb=f83e0199c80e108576a5f0c9e523fd338db35d58;p=dpdk.git

diff --git a/lib/librte_vhost/vhost_user.c b/lib/librte_vhost/vhost_user.c
index 1a67e2c288..947290fc35 100644
--- a/lib/librte_vhost/vhost_user.c
+++ b/lib/librte_vhost/vhost_user.c
@@ -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) {
@@ -198,7 +221,7 @@ vhost_user_set_features(struct virtio_net *dev, uint64_t features)
 	} else {
 		dev->vhost_hlen = sizeof(struct virtio_net_hdr);
 	}
-	LOG_DEBUG(VHOST_CONFIG,
+	VHOST_LOG_DEBUG(VHOST_CONFIG,
 		"(%d) mergeable RX buffers %s, virtio 1 %s\n",
 		dev->vid,
 		(dev->features & (1 << VIRTIO_NET_F_MRG_RXBUF)) ? "on" : "off",
@@ -224,6 +247,11 @@ vhost_user_set_features(struct virtio_net *dev, uint64_t 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);
+
 	return 0;
 }
 
@@ -238,6 +266,17 @@ vhost_user_set_vring_num(struct virtio_net *dev,
 
 	vq->size = msg->payload.state.num;
 
+	/* VIRTIO 1.0, 2.4 Virtqueues says:
+	 *
+	 *   Queue Size value is always a power of 2. The maximum Queue Size
+	 *   value is 32768.
+	 */
+	if ((vq->size & (vq->size - 1)) || vq->size > 32768) {
+		RTE_LOG(ERR, VHOST_CONFIG,
+			"invalid virtqueue size %u\n", vq->size);
+		return -1;
+	}
+
 	if (dev->dequeue_zero_copy) {
 		vq->nr_zmbuf = 0;
 		vq->last_zmbuf_idx = 0;
@@ -383,21 +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;
 }
@@ -410,20 +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 *
@@ -431,16 +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;
 	}
@@ -449,20 +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;
 	}
@@ -478,13 +530,13 @@ translate_ring_addresses(struct virtio_net *dev, int vq_index)
 
 	vq->log_guest_addr = addr->log_guest_addr;
 
-	LOG_DEBUG(VHOST_CONFIG, "(%d) mapped address desc: %p\n",
+	VHOST_LOG_DEBUG(VHOST_CONFIG, "(%d) mapped address desc: %p\n",
 			dev->vid, vq->desc);
-	LOG_DEBUG(VHOST_CONFIG, "(%d) mapped address avail: %p\n",
+	VHOST_LOG_DEBUG(VHOST_CONFIG, "(%d) mapped address avail: %p\n",
 			dev->vid, vq->avail);
-	LOG_DEBUG(VHOST_CONFIG, "(%d) mapped address used: %p\n",
+	VHOST_LOG_DEBUG(VHOST_CONFIG, "(%d) mapped address used: %p\n",
 			dev->vid, vq->used);
-	LOG_DEBUG(VHOST_CONFIG, "(%d) log_guest_addr: %" PRIx64 "\n",
+	VHOST_LOG_DEBUG(VHOST_CONFIG, "(%d) log_guest_addr: %" PRIx64 "\n",
 			dev->vid, vq->log_guest_addr);
 
 	return dev;
@@ -517,7 +569,7 @@ vhost_user_set_vring_addr(struct virtio_net **pdev, VhostUserMsg *msg)
 
 	if (vq->enabled && (dev->features &
 				(1ULL << VHOST_USER_F_PROTOCOL_FEATURES))) {
-		dev = translate_ring_addresses(dev, msg->payload.state.index);
+		dev = translate_ring_addresses(dev, msg->payload.addr.index);
 		if (!dev)
 			return -1;
 
@@ -542,7 +594,7 @@ vhost_user_set_vring_base(struct virtio_net *dev,
 	return 0;
 }
 
-static void
+static int
 add_one_guest_page(struct virtio_net *dev, uint64_t guest_phys_addr,
 		   uint64_t host_phys_addr, uint64_t size)
 {
@@ -552,6 +604,10 @@ add_one_guest_page(struct virtio_net *dev, uint64_t guest_phys_addr,
 		dev->max_guest_pages *= 2;
 		dev->guest_pages = realloc(dev->guest_pages,
 					dev->max_guest_pages * sizeof(*page));
+		if (!dev->guest_pages) {
+			RTE_LOG(ERR, VHOST_CONFIG, "cannot realloc guest_pages\n");
+			return -1;
+		}
 	}
 
 	if (dev->nr_guest_pages > 0) {
@@ -560,7 +616,7 @@ add_one_guest_page(struct virtio_net *dev, uint64_t guest_phys_addr,
 		if (host_phys_addr == last_page->host_phys_addr +
 				      last_page->size) {
 			last_page->size += size;
-			return;
+			return 0;
 		}
 	}
 
@@ -568,9 +624,11 @@ add_one_guest_page(struct virtio_net *dev, uint64_t guest_phys_addr,
 	page->guest_phys_addr = guest_phys_addr;
 	page->host_phys_addr  = host_phys_addr;
 	page->size = size;
+
+	return 0;
 }
 
-static void
+static int
 add_guest_pages(struct virtio_net *dev, struct rte_vhost_mem_region *reg,
 		uint64_t page_size)
 {
@@ -584,7 +642,9 @@ add_guest_pages(struct virtio_net *dev, struct rte_vhost_mem_region *reg,
 	size = page_size - (guest_phys_addr & (page_size - 1));
 	size = RTE_MIN(size, reg_size);
 
-	add_one_guest_page(dev, guest_phys_addr, host_phys_addr, size);
+	if (add_one_guest_page(dev, guest_phys_addr, host_phys_addr, size) < 0)
+		return -1;
+
 	host_user_addr  += size;
 	guest_phys_addr += size;
 	reg_size -= size;
@@ -593,12 +653,16 @@ add_guest_pages(struct virtio_net *dev, struct rte_vhost_mem_region *reg,
 		size = RTE_MIN(reg_size, page_size);
 		host_phys_addr = rte_mem_virt2iova((void *)(uintptr_t)
 						  host_user_addr);
-		add_one_guest_page(dev, guest_phys_addr, host_phys_addr, size);
+		if (add_one_guest_page(dev, guest_phys_addr, host_phys_addr,
+				size) < 0)
+			return -1;
 
 		host_user_addr  += size;
 		guest_phys_addr += size;
 		reg_size -= size;
 	}
+
+	return 0;
 }
 
 #ifdef RTE_LIBRTE_VHOST_DEBUG
@@ -652,8 +716,9 @@ vhost_memory_changed(struct VhostUserMemory *new,
 }
 
 static int
-vhost_user_set_mem_table(struct virtio_net *dev, struct VhostUserMsg *pmsg)
+vhost_user_set_mem_table(struct virtio_net **pdev, struct VhostUserMsg *pmsg)
 {
+	struct virtio_net *dev = *pdev;
 	struct VhostUserMemory memory = pmsg->payload.memory;
 	struct rte_vhost_mem_region *reg;
 	void *mmap_addr;
@@ -661,6 +726,7 @@ 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) {
@@ -719,7 +785,17 @@ vhost_user_set_mem_table(struct virtio_net *dev, struct VhostUserMsg *pmsg)
 		reg->fd              = fd;
 
 		mmap_offset = memory.regions[i].mmap_offset;
-		mmap_size   = reg->size + mmap_offset;
+
+		/* Check for memory_size + mmap_offset overflow */
+		if (mmap_offset >= -reg->size) {
+			RTE_LOG(ERR, VHOST_CONFIG,
+				"mmap_offset (%#"PRIx64") and memory_size "
+				"(%#"PRIx64") overflow\n",
+				mmap_offset, reg->size);
+			goto err_mmap;
+		}
+
+		mmap_size = reg->size + mmap_offset;
 
 		/* mmap() without flag of MAP_ANONYMOUS, should be called
 		 * with length argument aligned with hugepagesz at older
@@ -737,8 +813,9 @@ 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,
@@ -752,7 +829,12 @@ vhost_user_set_mem_table(struct virtio_net *dev, struct VhostUserMsg *pmsg)
 				      mmap_offset;
 
 		if (dev->dequeue_zero_copy)
-			add_guest_pages(dev, reg, alignment);
+			if (add_guest_pages(dev, reg, alignment) < 0) {
+				RTE_LOG(ERR, VHOST_CONFIG,
+					"adding guest pages to region %u failed.\n",
+					i);
+				goto err_mmap;
+			}
 
 		RTE_LOG(INFO, VHOST_CONFIG,
 			"guest memory region %u, size: 0x%" PRIx64 "\n"
@@ -773,6 +855,25 @@ vhost_user_set_mem_table(struct virtio_net *dev, struct VhostUserMsg *pmsg)
 			mmap_offset);
 	}
 
+	for (i = 0; i < dev->nr_vring; i++) {
+		struct vhost_virtqueue *vq = dev->virtqueue[i];
+
+		if (vq->desc || vq->avail || vq->used) {
+			/*
+			 * If the memory table got updated, the ring addresses
+			 * need to be translated again as virtual addresses have
+			 * changed.
+			 */
+			vring_invalidate(dev, vq);
+
+			dev = translate_ring_addresses(dev, i);
+			if (!dev)
+				return -1;
+
+			*pdev = dev;
+		}
+	}
+
 	dump_guest_pages(dev);
 
 	return 0;
@@ -895,17 +996,24 @@ 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 used index */
-	msg->payload.state.num = vq->last_used_idx;
+	/* Here we are safe to get the last avail index */
+	msg->payload.state.num = vq->last_avail_idx;
 
 	RTE_LOG(INFO, VHOST_CONFIG,
 		"vring base idx:%d file:%d\n", msg->payload.state.index,
@@ -920,6 +1028,11 @@ vhost_user_get_vring_base(struct virtio_net *dev,
 
 	vq->kickfd = VIRTIO_UNINITIALIZED_EVENTFD;
 
+	if (vq->callfd >= 0)
+		close(vq->callfd);
+
+	vq->callfd = VIRTIO_UNINITIALIZED_EVENTFD;
+
 	if (dev->dequeue_zero_copy)
 		free_zmbufs(vq);
 	rte_free(vq->shadow_used_ring);
@@ -940,16 +1053,24 @@ 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;
 }
@@ -958,9 +1079,10 @@ 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
@@ -1023,7 +1145,7 @@ vhost_user_set_log_base(struct virtio_net *dev, struct VhostUserMsg *msg)
 	 * mmap from 0 to workaround a hugepage mmap bug: mmap will
 	 * fail when offset is not page size aligned.
 	 */
-	addr = mmap(0, size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
+	addr = mmap(0, size + off, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
 	close(fd);
 	if (addr == MAP_FAILED) {
 		RTE_LOG(ERR, VHOST_CONFIG, "mmap log base failed!\n");
@@ -1056,6 +1178,8 @@ 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",
@@ -1071,6 +1195,10 @@ 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;
 }
@@ -1163,11 +1291,12 @@ 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;
 
@@ -1175,7 +1304,7 @@ 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);
@@ -1232,13 +1361,13 @@ 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
@@ -1252,7 +1381,7 @@ 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);
 }
 
 /*
@@ -1332,8 +1461,11 @@ 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)
@@ -1411,6 +1543,21 @@ 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);
@@ -1439,7 +1586,7 @@ vhost_user_msg_handler(int vid, int fd)
 		break;
 
 	case VHOST_USER_SET_MEM_TABLE:
-		ret = vhost_user_set_mem_table(dev, &msg);
+		ret = vhost_user_set_mem_table(&dev, &msg);
 		break;
 
 	case VHOST_USER_SET_LOG_BASE:
@@ -1484,7 +1631,7 @@ 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;
@@ -1511,9 +1658,22 @@ 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);
 
@@ -1537,6 +1697,16 @@ 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;
 }
 
@@ -1555,7 +1725,7 @@ 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",