diff options
Diffstat (limited to 'vhost_user_loopback.h')
| -rw-r--r-- | vhost_user_loopback.h | 54 |
1 files changed, 35 insertions, 19 deletions
diff --git a/vhost_user_loopback.h b/vhost_user_loopback.h index c41bca6..4a98516 100644 --- a/vhost_user_loopback.h +++ b/vhost_user_loopback.h @@ -1,5 +1,5 @@ /* - * Based on libvhost-user.h of Qemu project + * Based on libvhost-user.h of QEMU project * * Copyright (c) 2016 Red Hat, Inc. * @@ -314,8 +314,10 @@ typedef struct VuDevIface { vu_get_features_cb get_features; /* enable vhost implementation features */ vu_set_features_cb set_features; - /* get the protocol feature bitmask from the underlying vhost - * implementation */ + /* + * get the protocol feature bitmask from the underlying vhost + * implementation + */ vu_get_features_cb get_protocol_features; /* enable protocol features in the underlying vhost implementation. */ vu_set_features_cb set_protocol_features; @@ -348,19 +350,25 @@ typedef struct VuRing { } VuRing; typedef struct VuDescStateSplit { - /* Indicate whether this descriptor is inflight or not. - * Only available for head-descriptor. */ + /* + * Indicate whether this descriptor is inflight or not. + * Only available for head-descriptor. + */ uint8_t inflight; /* Padding */ uint8_t padding[5]; - /* Maintain a list for the last batch of used descriptors. - * Only available when batching is used for submitting */ + /* + * Maintain a list for the last batch of used descriptors. + * Only available when batching is used for submitting + */ uint16_t next; - /* Used to preserve the order of fetching available descriptors. - * Only available for head-descriptor. */ + /* + * Used to preserve the order of fetching available descriptors. + * Only available for head-descriptor. + */ uint64_t counter; } VuDescStateSplit; @@ -368,15 +376,21 @@ typedef struct VuVirtqInflight { /* The feature flags of this region. Now it's initialized to 0. */ uint64_t features; - /* The version of this region. It's 1 currently. - * Zero value indicates a vm reset happened. */ + /* + * The version of this region. It's 1 currently. + * Zero value indicates a vm reset happened. + */ uint16_t version; - /* The size of VuDescStateSplit array. It's equal to the virtqueue - * size. Slave could get it from queue size field of VhostUserInflight. */ + /* + * The size of VuDescStateSplit array. It's equal to the virtqueue + * size. Slave could get it from queue size field of VhostUserInflight. + */ uint16_t desc_num; - /* The head of list that track the last batch of used descriptors. */ + /* + * The head of list that track the last batch of used descriptors. + */ uint16_t last_batch_head; /* Storing the idx value of used ring */ @@ -721,7 +735,7 @@ void vu_queue_push(VuDev *dev, VuVirtq *vq, * * Mark the last number of elements as done (used.idx is updated by * num elements). -*/ + */ void vu_queue_flush(VuDev *dev, VuVirtq *vq, unsigned int num); /** @@ -778,9 +792,11 @@ int vhost_user_set_features(struct vhost_dev *dev, int vhost_user_set_mem_table(struct vhost_dev *dev); int vhost_user_get_vq_index(struct vhost_dev *dev, int idx); void vhost_user_share_fd(void); -int vhost_user_set_vring_num(struct vhost_dev *dev, struct vhost_vring_state *ring); -int vhost_user_set_vring_base(struct vhost_dev *dev, struct vhost_vring_state *ring); -int vhost_user_set_vring_addr(struct vhost_dev *dev, struct vhost_vring_addr *addr); - +int vhost_user_set_vring_num(struct vhost_dev *dev, + struct vhost_vring_state *ring); +int vhost_user_set_vring_base(struct vhost_dev *dev, + struct vhost_vring_state *ring); +int vhost_user_set_vring_addr(struct vhost_dev *dev, + struct vhost_vring_addr *addr); #endif /* LIBVHOST_USER_H */ |