diff options
Diffstat (limited to 'hw/virtio.h')
| -rw-r--r-- | hw/virtio.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/hw/virtio.h b/hw/virtio.h index 18c7a1a7c7..cce8a47475 100644 --- a/hw/virtio.h +++ b/hw/virtio.h @@ -32,6 +32,8 @@ /* We notify when the ring is completely used, even if the guest is supressing * callbacks */ #define VIRTIO_F_NOTIFY_ON_EMPTY 24 +/* A guest should never accept this. It implies negotiation is broken. */ +#define VIRTIO_F_BAD_FEATURE 30 /* from Linux's linux/virtio_ring.h */ @@ -82,6 +84,7 @@ struct VirtIODevice size_t config_len; void *config; uint32_t (*get_features)(VirtIODevice *vdev); + uint32_t (*bad_features)(VirtIODevice *vdev); void (*set_features)(VirtIODevice *vdev, uint32_t val); void (*get_config)(VirtIODevice *vdev, uint8_t *config); void (*set_config)(VirtIODevice *vdev, const uint8_t *config); |