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authorLuca Boccassi <luca.boccassi@gmail.com>2017-08-16 18:42:05 +0100
committerLuca Boccassi <luca.boccassi@gmail.com>2017-08-16 18:46:04 +0100
commitf239aed5e674965691846e8ce3f187dd47523689 (patch)
treea153a3125c6e183c73871a8ecaa4b285fed5fbd5 /lib/librte_vhost/vhost_user.c
parentbf7567fd2a5b0b28ab724046143c24561d38d015 (diff)
New upstream version 17.08
Change-Id: I288b50990f52646089d6b1f3aaa6ba2f091a51d7 Signed-off-by: Luca Boccassi <luca.boccassi@gmail.com>
Diffstat (limited to 'lib/librte_vhost/vhost_user.c')
-rw-r--r--lib/librte_vhost/vhost_user.c73
1 files changed, 44 insertions, 29 deletions
diff --git a/lib/librte_vhost/vhost_user.c b/lib/librte_vhost/vhost_user.c
index 28808815..ad2e8d38 100644
--- a/lib/librte_vhost/vhost_user.c
+++ b/lib/librte_vhost/vhost_user.c
@@ -168,8 +168,12 @@ vhost_user_set_features(struct virtio_net *dev, uint64_t features)
uint64_t vhost_features = 0;
rte_vhost_driver_get_features(dev->ifname, &vhost_features);
- if (features & ~vhost_features)
+ if (features & ~vhost_features) {
+ RTE_LOG(ERR, VHOST_CONFIG,
+ "(%d) received invalid negotiated features.\n",
+ dev->vid);
return -1;
+ }
if ((dev->flags & VIRTIO_DEV_RUNNING) && dev->features != features) {
if (dev->notify_ops->features_changed)
@@ -197,11 +201,11 @@ vhost_user_set_features(struct virtio_net *dev, uint64_t features)
*/
static int
vhost_user_set_vring_num(struct virtio_net *dev,
- struct vhost_vring_state *state)
+ VhostUserMsg *msg)
{
- struct vhost_virtqueue *vq = dev->virtqueue[state->index];
+ struct vhost_virtqueue *vq = dev->virtqueue[msg->payload.state.index];
- vq->size = state->num;
+ vq->size = msg->payload.state.num;
if (dev->dequeue_zero_copy) {
vq->nr_zmbuf = 0;
@@ -332,7 +336,7 @@ qva_to_vva(struct virtio_net *dev, uint64_t qva)
* This function then converts these to our address space.
*/
static int
-vhost_user_set_vring_addr(struct virtio_net *dev, struct vhost_vring_addr *addr)
+vhost_user_set_vring_addr(struct virtio_net *dev, VhostUserMsg *msg)
{
struct vhost_virtqueue *vq;
@@ -340,11 +344,11 @@ vhost_user_set_vring_addr(struct virtio_net *dev, struct vhost_vring_addr *addr)
return -1;
/* addr->index refers to the queue index. The txq 1, rxq is 0. */
- vq = dev->virtqueue[addr->index];
+ vq = dev->virtqueue[msg->payload.addr.index];
/* The addresses are converted from QEMU virtual to Vhost virtual. */
vq->desc = (struct vring_desc *)(uintptr_t)qva_to_vva(dev,
- addr->desc_user_addr);
+ msg->payload.addr.desc_user_addr);
if (vq->desc == 0) {
RTE_LOG(ERR, VHOST_CONFIG,
"(%d) failed to find desc ring address.\n",
@@ -352,11 +356,11 @@ vhost_user_set_vring_addr(struct virtio_net *dev, struct vhost_vring_addr *addr)
return -1;
}
- dev = numa_realloc(dev, addr->index);
- vq = dev->virtqueue[addr->index];
+ dev = numa_realloc(dev, msg->payload.addr.index);
+ vq = dev->virtqueue[msg->payload.addr.index];
vq->avail = (struct vring_avail *)(uintptr_t)qva_to_vva(dev,
- addr->avail_user_addr);
+ msg->payload.addr.avail_user_addr);
if (vq->avail == 0) {
RTE_LOG(ERR, VHOST_CONFIG,
"(%d) failed to find avail ring address.\n",
@@ -365,7 +369,7 @@ vhost_user_set_vring_addr(struct virtio_net *dev, struct vhost_vring_addr *addr)
}
vq->used = (struct vring_used *)(uintptr_t)qva_to_vva(dev,
- addr->used_user_addr);
+ msg->payload.addr.used_user_addr);
if (vq->used == 0) {
RTE_LOG(ERR, VHOST_CONFIG,
"(%d) failed to find used ring address.\n",
@@ -382,7 +386,7 @@ vhost_user_set_vring_addr(struct virtio_net *dev, struct vhost_vring_addr *addr)
vq->last_avail_idx = vq->used->idx;
}
- vq->log_guest_addr = addr->log_guest_addr;
+ vq->log_guest_addr = msg->payload.addr.log_guest_addr;
LOG_DEBUG(VHOST_CONFIG, "(%d) mapped address desc: %p\n",
dev->vid, vq->desc);
@@ -401,10 +405,12 @@ vhost_user_set_vring_addr(struct virtio_net *dev, struct vhost_vring_addr *addr)
*/
static int
vhost_user_set_vring_base(struct virtio_net *dev,
- struct vhost_vring_state *state)
+ VhostUserMsg *msg)
{
- dev->virtqueue[state->index]->last_used_idx = state->num;
- dev->virtqueue[state->index]->last_avail_idx = state->num;
+ dev->virtqueue[msg->payload.state.index]->last_used_idx =
+ msg->payload.state.num;
+ dev->virtqueue[msg->payload.state.index]->last_avail_idx =
+ msg->payload.state.num;
return 0;
}
@@ -517,6 +523,13 @@ vhost_user_set_mem_table(struct virtio_net *dev, struct VhostUserMsg *pmsg)
dev->max_guest_pages = 8;
dev->guest_pages = malloc(dev->max_guest_pages *
sizeof(struct guest_page));
+ if (dev->guest_pages == NULL) {
+ RTE_LOG(ERR, VHOST_CONFIG,
+ "(%d) failed to allocate memory "
+ "for dev->guest_pages\n",
+ dev->vid);
+ return -1;
+ }
}
dev->mem = rte_zmalloc("vhost-mem-table", sizeof(struct rte_vhost_memory) +
@@ -695,9 +708,9 @@ free_zmbufs(struct vhost_virtqueue *vq)
*/
static int
vhost_user_get_vring_base(struct virtio_net *dev,
- struct vhost_vring_state *state)
+ VhostUserMsg *msg)
{
- struct vhost_virtqueue *vq = dev->virtqueue[state->index];
+ struct vhost_virtqueue *vq = dev->virtqueue[msg->payload.state.index];
/* We have to stop the queue (virtio) if it is running. */
if (dev->flags & VIRTIO_DEV_RUNNING) {
@@ -708,10 +721,11 @@ vhost_user_get_vring_base(struct virtio_net *dev,
dev->flags &= ~VIRTIO_DEV_READY;
/* Here we are safe to get the last used index */
- state->num = vq->last_used_idx;
+ msg->payload.state.num = vq->last_used_idx;
RTE_LOG(INFO, VHOST_CONFIG,
- "vring base idx:%d file:%d\n", state->index, state->num);
+ "vring base idx:%d file:%d\n", msg->payload.state.index,
+ msg->payload.state.num);
/*
* Based on current qemu vhost-user implementation, this message is
* sent and only sent in vhost_vring_stop.
@@ -736,18 +750,19 @@ vhost_user_get_vring_base(struct virtio_net *dev,
*/
static int
vhost_user_set_vring_enable(struct virtio_net *dev,
- struct vhost_vring_state *state)
+ VhostUserMsg *msg)
{
- int enable = (int)state->num;
+ int enable = (int)msg->payload.state.num;
RTE_LOG(INFO, VHOST_CONFIG,
"set queue enable: %d to qp idx: %d\n",
- enable, state->index);
+ enable, msg->payload.state.index);
if (dev->notify_ops->vring_state_changed)
- dev->notify_ops->vring_state_changed(dev->vid, state->index, enable);
+ dev->notify_ops->vring_state_changed(dev->vid,
+ msg->payload.state.index, enable);
- dev->virtqueue[state->index]->enabled = enable;
+ dev->virtqueue[msg->payload.state.index]->enabled = enable;
return 0;
}
@@ -1036,17 +1051,17 @@ vhost_user_msg_handler(int vid, int fd)
break;
case VHOST_USER_SET_VRING_NUM:
- vhost_user_set_vring_num(dev, &msg.payload.state);
+ vhost_user_set_vring_num(dev, &msg);
break;
case VHOST_USER_SET_VRING_ADDR:
- vhost_user_set_vring_addr(dev, &msg.payload.addr);
+ vhost_user_set_vring_addr(dev, &msg);
break;
case VHOST_USER_SET_VRING_BASE:
- vhost_user_set_vring_base(dev, &msg.payload.state);
+ vhost_user_set_vring_base(dev, &msg);
break;
case VHOST_USER_GET_VRING_BASE:
- vhost_user_get_vring_base(dev, &msg.payload.state);
+ vhost_user_get_vring_base(dev, &msg);
msg.size = sizeof(msg.payload.state);
send_vhost_message(fd, &msg);
break;
@@ -1071,7 +1086,7 @@ vhost_user_msg_handler(int vid, int fd)
break;
case VHOST_USER_SET_VRING_ENABLE:
- vhost_user_set_vring_enable(dev, &msg.payload.state);
+ vhost_user_set_vring_enable(dev, &msg);
break;
case VHOST_USER_SEND_RARP:
vhost_user_send_rarp(dev, &msg);