diff options
| -rw-r--r-- | hw/s390x/virtio-ccw.c | 1 | ||||
| -rw-r--r-- | hw/virtio/virtio-mmio.c | 1 | ||||
| -rw-r--r-- | hw/virtio/virtio-pci.c | 1 | ||||
| -rw-r--r-- | hw/virtio/virtio.c | 2 | ||||
| -rw-r--r-- | include/hw/virtio/virtio.h | 1 |
5 files changed, 5 insertions, 1 deletions
diff --git a/hw/s390x/virtio-ccw.c b/hw/s390x/virtio-ccw.c index e33e5207ab..f44de1a8c1 100644 --- a/hw/s390x/virtio-ccw.c +++ b/hw/s390x/virtio-ccw.c @@ -237,6 +237,7 @@ static int virtio_ccw_set_vqs(SubchDev *sch, VqInfoBlock *info, return -EINVAL; } virtio_queue_set_num(vdev, index, num); + virtio_init_region_cache(vdev, index); } else if (virtio_queue_get_num(vdev, index) > num) { /* Fail if we don't have a big enough queue. */ return -EINVAL; diff --git a/hw/virtio/virtio-mmio.c b/hw/virtio/virtio-mmio.c index 23ba625eb6..c2c6d85475 100644 --- a/hw/virtio/virtio-mmio.c +++ b/hw/virtio/virtio-mmio.c @@ -354,6 +354,7 @@ static void virtio_mmio_write(void *opaque, hwaddr offset, uint64_t value, if (proxy->legacy) { virtio_queue_update_rings(vdev, vdev->queue_sel); } else { + virtio_init_region_cache(vdev, vdev->queue_sel); proxy->vqs[vdev->queue_sel].num = value; } break; diff --git a/hw/virtio/virtio-pci.c b/hw/virtio/virtio-pci.c index 247325c193..02fb84a8fa 100644 --- a/hw/virtio/virtio-pci.c +++ b/hw/virtio/virtio-pci.c @@ -1554,6 +1554,7 @@ static void virtio_pci_common_write(void *opaque, hwaddr addr, proxy->vqs[vdev->queue_sel].num = val; virtio_queue_set_num(vdev, vdev->queue_sel, proxy->vqs[vdev->queue_sel].num); + virtio_init_region_cache(vdev, vdev->queue_sel); break; case VIRTIO_PCI_COMMON_Q_MSIX: vector = virtio_queue_vector(vdev, vdev->queue_sel); diff --git a/hw/virtio/virtio.c b/hw/virtio/virtio.c index 98c4819fcc..272d930721 100644 --- a/hw/virtio/virtio.c +++ b/hw/virtio/virtio.c @@ -226,7 +226,7 @@ static void virtio_virtqueue_reset_region_cache(struct VirtQueue *vq) } } -static void virtio_init_region_cache(VirtIODevice *vdev, int n) +void virtio_init_region_cache(VirtIODevice *vdev, int n) { VirtQueue *vq = &vdev->vq[n]; VRingMemoryRegionCaches *old = vq->vring.caches; diff --git a/include/hw/virtio/virtio.h b/include/hw/virtio/virtio.h index f236e94ca6..f6b38f7e9c 100644 --- a/include/hw/virtio/virtio.h +++ b/include/hw/virtio/virtio.h @@ -309,6 +309,7 @@ int virtio_get_num_queues(VirtIODevice *vdev); void virtio_queue_set_rings(VirtIODevice *vdev, int n, hwaddr desc, hwaddr avail, hwaddr used); void virtio_queue_update_rings(VirtIODevice *vdev, int n); +void virtio_init_region_cache(VirtIODevice *vdev, int n); void virtio_queue_set_align(VirtIODevice *vdev, int n, int align); void virtio_queue_notify(VirtIODevice *vdev, int n); uint16_t virtio_queue_vector(VirtIODevice *vdev, int n); |