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| author |   Michael S. Tsirkin <mst@redhat.com> | 2018-04-20 20:22:40 +0300 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2018-04-25 20:33:19 +0300 |
| commit | 24a7e4d20783c0514850f24a5c41ede46ab058f0 (patch) | |
| tree | 5d012612c580d047f5300f0b3333bf7bee9ac106 /include/linux/virtio.h | |
| parent | virtio_console: don't tie bufs to a vq (diff) | |
| download | wireguard-linux-24a7e4d20783c0514850f24a5c41ede46ab058f0.tar.xz wireguard-linux-24a7e4d20783c0514850f24a5c41ede46ab058f0.zip | |
virtio: add ability to iterate over vqs
For cleanup it's helpful to be able to simply scan all vqs and discard
all data. Add an iterator to do that.
Cc: stable@vger.kernel.org
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'include/linux/virtio.h')
| -rw-r--r-- | include/linux/virtio.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/virtio.h b/include/linux/virtio.h index 988c7355bc22..fa1b5da2804e 100644 --- a/include/linux/virtio.h +++ b/include/linux/virtio.h @@ -157,6 +157,9 @@ int virtio_device_freeze(struct virtio_device *dev); int virtio_device_restore(struct virtio_device *dev); #endif +#define virtio_device_for_each_vq(vdev, vq) \ + list_for_each_entry(vq, &vdev->vqs, list) + /** * virtio_driver - operations for a virtio I/O driver * @driver: underlying device driver (populate name and owner). |