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Revert "vhost-user: add multi queue support"

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This reverts commit 830d70db69.

The interface isn't fully backwards-compatible, which is bad.
Let's redo this properly after 2.4.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Michael S. Tsirkin 2015-07-15 13:47:31 +03:00
parent 75d663611e
commit d345ed2da3
6 changed files with 18 additions and 49 deletions
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11
hw/virtio/vhost-user.c
View file

@ -210,12 +210,7 @@ static int vhost_user_call(struct vhost_dev *dev, unsigned long int request,
break;
case VHOST_SET_OWNER:
break;
case VHOST_RESET_OWNER:
memcpy(&msg.state, arg, sizeof(struct vhost_vring_state));
msg.state.index += dev->vq_index;
msg.size = sizeof(m.state);
break;
case VHOST_SET_MEM_TABLE:
@ -258,20 +253,17 @@ static int vhost_user_call(struct vhost_dev *dev, unsigned long int request,
case VHOST_SET_VRING_NUM:
case VHOST_SET_VRING_BASE:
memcpy(&msg.state, arg, sizeof(struct vhost_vring_state));
msg.state.index += dev->vq_index;
msg.size = sizeof(m.state);
break;
case VHOST_GET_VRING_BASE:
memcpy(&msg.state, arg, sizeof(struct vhost_vring_state));
msg.state.index += dev->vq_index;
msg.size = sizeof(m.state);
need_reply = 1;
break;
case VHOST_SET_VRING_ADDR:
memcpy(&msg.addr, arg, sizeof(struct vhost_vring_addr));
msg.addr.index += dev->vq_index;
msg.size = sizeof(m.addr);
break;
@ -279,7 +271,7 @@ static int vhost_user_call(struct vhost_dev *dev, unsigned long int request,
case VHOST_SET_VRING_CALL:
case VHOST_SET_VRING_ERR:
file = arg;
msg.u64 = (file->index + dev->vq_index) & VHOST_USER_VRING_IDX_MASK;
msg.u64 = file->index & VHOST_USER_VRING_IDX_MASK;
msg.size = sizeof(m.u64);
if (ioeventfd_enabled() && file->fd > 0) {
fds[fd_num++] = file->fd;
@ -321,7 +313,6 @@ static int vhost_user_call(struct vhost_dev *dev, unsigned long int request,
error_report("Received bad msg size.");
return -1;
}
msg.state.index -= dev->vq_index;
memcpy(arg, &msg.state, sizeof(struct vhost_vring_state));
break;
default: