diff options
| -rw-r--r-- | hw/virtio/virtio-mmio.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/hw/virtio/virtio-mmio.c b/hw/virtio/virtio-mmio.c index e1b5c3b81e..610661d6a5 100644 --- a/hw/virtio/virtio-mmio.c +++ b/hw/virtio/virtio-mmio.c @@ -191,6 +191,14 @@ static uint64_t virtio_mmio_read(void *opaque, hwaddr offset, unsigned size) return 0; } return vdev->generation; + case VIRTIO_MMIO_SHM_LEN_LOW: + case VIRTIO_MMIO_SHM_LEN_HIGH: + /* + * VIRTIO_MMIO_SHM_SEL is unimplemented + * according to the linux driver, if region length is -1 + * the shared memory doesn't exist + */ + return -1; case VIRTIO_MMIO_DEVICE_FEATURES_SEL: case VIRTIO_MMIO_DRIVER_FEATURES: case VIRTIO_MMIO_DRIVER_FEATURES_SEL: |