diff options
Diffstat (limited to 'include/hw/virtio/virtio.h')
| -rw-r--r-- | include/hw/virtio/virtio.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/include/hw/virtio/virtio.h b/include/hw/virtio/virtio.h index c32a815..b69d517 100644 --- a/include/hw/virtio/virtio.h +++ b/include/hw/virtio/virtio.h @@ -100,6 +100,8 @@ struct VirtIODevice uint16_t device_id; bool vm_running; bool broken; /* device in invalid state, needs reset */ + bool use_disabled_flag; /* allow use of 'disable' flag when needed */ + bool disabled; /* device in temporarily disabled state */ bool use_started; bool started; bool start_on_kick; /* when virtio 1.0 feature has not been negotiated */ @@ -183,6 +185,8 @@ VirtQueue *virtio_add_queue(VirtIODevice *vdev, int queue_size, void virtio_del_queue(VirtIODevice *vdev, int n); +void virtio_delete_queue(VirtQueue *vq); + void virtqueue_push(VirtQueue *vq, const VirtQueueElement *elem, unsigned int len); void virtqueue_flush(VirtQueue *vq, unsigned int count); @@ -224,6 +228,7 @@ int virtio_load(VirtIODevice *vdev, QEMUFile *f, int version_id); void virtio_notify_config(VirtIODevice *vdev); +bool virtio_queue_get_notification(VirtQueue *vq); void virtio_queue_set_notification(VirtQueue *vq, int enable); int virtio_queue_ready(VirtQueue *vq); @@ -378,4 +383,17 @@ static inline void virtio_set_started(VirtIODevice *vdev, bool started) vdev->started = started; } } + +static inline void virtio_set_disabled(VirtIODevice *vdev, bool disable) +{ + if (vdev->use_disabled_flag) { + vdev->disabled = disable; + } +} + +static inline bool virtio_device_disabled(VirtIODevice *vdev) +{ + return unlikely(vdev->disabled || vdev->broken); +} + #endif |