diff options
| author | Konstantin Khlebnikov <khlebnikov@yandex-team.ru> | 2022-06-23 19:13:24 +0300 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2022-06-27 18:53:18 -0400 |
| commit | 60dc3c5be9ce67f4195c432b22a88d8af6429d80 (patch) | |
| tree | 2253b8c09ca3744b574f53f7902fc56bc2a3abaa /hw/virtio/vhost-backend.c | |
| parent | 71e3d004824724fe55cd1c4dba34477361a38319 (diff) | |
| download | focaccia-qemu-60dc3c5be9ce67f4195c432b22a88d8af6429d80.tar.gz focaccia-qemu-60dc3c5be9ce67f4195c432b22a88d8af6429d80.zip | |
vhost: add method vhost_set_vring_err
Kernel and user vhost may report virtqueue errors via eventfd. This is only reliable way to get notification about protocol error. Signed-off-by: Konstantin Khlebnikov <khlebnikov@yandex-team.ru> Message-Id: <20220623161325.18813-2-vsementsov@yandex-team.ru> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Reviewed-by: Roman Kagan <rvkagan@yandex-team.ru>
Diffstat (limited to 'hw/virtio/vhost-backend.c')
| -rw-r--r-- | hw/virtio/vhost-backend.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/hw/virtio/vhost-backend.c b/hw/virtio/vhost-backend.c index 4de8b6b3b0..8e581575c9 100644 --- a/hw/virtio/vhost-backend.c +++ b/hw/virtio/vhost-backend.c @@ -146,6 +146,12 @@ static int vhost_kernel_set_vring_call(struct vhost_dev *dev, return vhost_kernel_call(dev, VHOST_SET_VRING_CALL, file); } +static int vhost_kernel_set_vring_err(struct vhost_dev *dev, + struct vhost_vring_file *file) +{ + return vhost_kernel_call(dev, VHOST_SET_VRING_ERR, file); +} + static int vhost_kernel_set_vring_busyloop_timeout(struct vhost_dev *dev, struct vhost_vring_state *s) { @@ -309,6 +315,7 @@ const VhostOps kernel_ops = { .vhost_get_vring_base = vhost_kernel_get_vring_base, .vhost_set_vring_kick = vhost_kernel_set_vring_kick, .vhost_set_vring_call = vhost_kernel_set_vring_call, + .vhost_set_vring_err = vhost_kernel_set_vring_err, .vhost_set_vring_busyloop_timeout = vhost_kernel_set_vring_busyloop_timeout, .vhost_set_features = vhost_kernel_set_features, |