diff options
Diffstat (limited to 'include/hw/virtio/virtio.h')
| -rw-r--r-- | include/hw/virtio/virtio.h | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/include/hw/virtio/virtio.h b/include/hw/virtio/virtio.h index 205fadf234..108cdb0f48 100644 --- a/include/hw/virtio/virtio.h +++ b/include/hw/virtio/virtio.h @@ -46,10 +46,10 @@ typedef struct VirtQueueElement unsigned int index; unsigned int out_num; unsigned int in_num; - hwaddr in_addr[VIRTQUEUE_MAX_SIZE]; - hwaddr out_addr[VIRTQUEUE_MAX_SIZE]; - struct iovec in_sg[VIRTQUEUE_MAX_SIZE]; - struct iovec out_sg[VIRTQUEUE_MAX_SIZE]; + hwaddr *in_addr; + hwaddr *out_addr; + struct iovec *in_sg; + struct iovec *out_sg; } VirtQueueElement; #define VIRTIO_QUEUE_MAX 1024 @@ -143,6 +143,7 @@ VirtQueue *virtio_add_queue(VirtIODevice *vdev, int queue_size, void virtio_del_queue(VirtIODevice *vdev, int n); +void *virtqueue_alloc_element(size_t sz, unsigned out_num, unsigned in_num); void virtqueue_push(VirtQueue *vq, const VirtQueueElement *elem, unsigned int len); void virtqueue_flush(VirtQueue *vq, unsigned int count); @@ -152,7 +153,9 @@ void virtqueue_fill(VirtQueue *vq, const VirtQueueElement *elem, unsigned int len, unsigned int idx); void virtqueue_map(VirtQueueElement *elem); -int virtqueue_pop(VirtQueue *vq, VirtQueueElement *elem); +void *virtqueue_pop(VirtQueue *vq, size_t sz); +void *qemu_get_virtqueue_element(QEMUFile *f, size_t sz); +void qemu_put_virtqueue_element(QEMUFile *f, VirtQueueElement *elem); int virtqueue_avail_bytes(VirtQueue *vq, unsigned int in_bytes, unsigned int out_bytes); void virtqueue_get_avail_bytes(VirtQueue *vq, unsigned int *in_bytes, |