Guest always get zero when reading queue_enable. This violates
spec. Fixing this by setting the queue_enable to true during any guest
writing and setting it to zero during reset.
Cc: Michael S. Tsirkin <m...@redhat.com>
Signed-off-by: Jason Wang <jasow...@redhat.com>
---
hw/virtio/virtio-pci.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/hw/virtio/virtio-pci.c b/hw/virtio/virtio-pci.c
index bf61acf..7aab6d1 100644
--- a/hw/virtio/virtio-pci.c
+++ b/hw/virtio/virtio-pci.c
@@ -1372,6 +1372,7 @@ static void virtio_pci_common_write(void *opaque, hwaddr
addr,
proxy->vqs[vdev->queue_sel].avail[0],
((uint64_t)proxy->vqs[vdev->queue_sel].used[1]) << 32 |
proxy->vqs[vdev->queue_sel].used[0]);
+ proxy->vqs[vdev->queue_sel].enabled = 1;
break;
case VIRTIO_PCI_COMMON_Q_DESCLO:
proxy->vqs[vdev->queue_sel].desc[0] = val;
@@ -1816,9 +1817,15 @@ static void virtio_pci_reset(DeviceState *qdev)
{
VirtIOPCIProxy *proxy = VIRTIO_PCI(qdev);
VirtioBusState *bus = VIRTIO_BUS(&proxy->bus);
+ int i;
+
virtio_pci_stop_ioeventfd(proxy);
virtio_bus_reset(bus);
msix_unuse_all_vectors(&proxy->pci_dev);
+
+ for (i = 0; i < VIRTIO_QUEUE_MAX; i++) {
+ proxy->vqs[i].enabled = 0;
+ }
}
static Property virtio_pci_properties[] = {
--
2.1.4
