diff options
Diffstat (limited to 'contrib/libvhost-user/libvhost-user.h')
| -rw-r--r-- | contrib/libvhost-user/libvhost-user.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/contrib/libvhost-user/libvhost-user.h b/contrib/libvhost-user/libvhost-user.h index 53ef222c0b..4021f1124e 100644 --- a/contrib/libvhost-user/libvhost-user.h +++ b/contrib/libvhost-user/libvhost-user.h @@ -132,6 +132,7 @@ typedef void (*vu_set_features_cb) (VuDev *dev, uint64_t features); typedef int (*vu_process_msg_cb) (VuDev *dev, VhostUserMsg *vmsg, int *do_reply); typedef void (*vu_queue_set_started_cb) (VuDev *dev, int qidx, bool started); +typedef bool (*vu_queue_is_processed_in_order_cb) (VuDev *dev, int qidx); typedef struct VuDevIface { /* called by VHOST_USER_GET_FEATURES to get the features bitmask */ @@ -148,6 +149,12 @@ typedef struct VuDevIface { vu_process_msg_cb process_msg; /* tells when queues can be processed */ vu_queue_set_started_cb queue_set_started; + /* + * If the queue is processed in order, in which case it will be + * resumed to vring.used->idx. This can help to support resuming + * on unmanaged exit/crash. + */ + vu_queue_is_processed_in_order_cb queue_is_processed_in_order; } VuDevIface; typedef void (*vu_queue_handler_cb) (VuDev *dev, int qidx); |