diff options
| -rw-r--r-- | include/hw/virtio/virtio.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/include/hw/virtio/virtio.h b/include/hw/virtio/virtio.h index 7e24b2b69a..b21e5c2b9d 100644 --- a/include/hw/virtio/virtio.h +++ b/include/hw/virtio/virtio.h @@ -171,6 +171,18 @@ typedef struct VirtioDeviceClass { void (*set_config)(VirtIODevice *vdev, const uint8_t *config); void (*reset)(VirtIODevice *vdev); void (*set_status)(VirtIODevice *vdev, uint8_t val); + /* Test and clear event pending status. + * Should be called after unmask to avoid losing events. + * If backend does not support masking, + * must check in frontend instead. + */ + bool (*guest_notifier_pending)(VirtIODevice *vdev, int n); + /* Mask/unmask events from this vq. Any events reported + * while masked will become pending. + * If backend does not support masking, + * must mask in frontend instead. + */ + void (*guest_notifier_mask)(VirtIODevice *vdev, int n, bool mask); } VirtioDeviceClass; void virtio_init(VirtIODevice *vdev, const char *name, |