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| author | Michael S. Tsirkin <mst@redhat.com> | 2017-01-12 23:26:22 +0200 |
|---|---|---|
| committer | Cornelia Huck <cornelia.huck@de.ibm.com> | 2017-01-20 10:02:02 +0100 |
| commit | 8c797e758ad41b8dd6ea6f72c6f0194dedb30a2f (patch) | |
| tree | 5943d12536c27bda777a968bc2dde11a32bd043f /include/hw/virtio/virtio.h | |
| parent | 857cc71985dcd553a601fb9a0df7919359c23115 (diff) | |
| download | focaccia-qemu-8c797e758ad41b8dd6ea6f72c6f0194dedb30a2f.tar.gz focaccia-qemu-8c797e758ad41b8dd6ea6f72c6f0194dedb30a2f.zip | |
virtio-ccw: fix ring sizing
Current code seems to assume ring size is always decreased but this is not required by spec: what spec says is just that size can not exceed the maximum. Fix it up. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Message-Id: <1484256243-1982-1-git-send-email-mst@redhat.com> Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Diffstat (limited to 'include/hw/virtio/virtio.h')
| -rw-r--r-- | include/hw/virtio/virtio.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/hw/virtio/virtio.h b/include/hw/virtio/virtio.h index e5541c61f7..6523bacd2f 100644 --- a/include/hw/virtio/virtio.h +++ b/include/hw/virtio/virtio.h @@ -228,6 +228,7 @@ void virtio_queue_set_addr(VirtIODevice *vdev, int n, hwaddr addr); hwaddr virtio_queue_get_addr(VirtIODevice *vdev, int n); void virtio_queue_set_num(VirtIODevice *vdev, int n, int num); int virtio_queue_get_num(VirtIODevice *vdev, int n); +int virtio_queue_get_max_num(VirtIODevice *vdev, int n); int virtio_get_num_queues(VirtIODevice *vdev); void virtio_queue_set_rings(VirtIODevice *vdev, int n, hwaddr desc, hwaddr avail, hwaddr used); |