drivers/vhost/vhost.h

94 struct vhost_virtqueue {  struct
95 	struct vhost_dev *dev;
96 	struct vhost_worker __rcu *worker;
99 	struct mutex mutex;
100 	unsigned int num;
101 	vring_desc_t __user *desc;
102 	vring_avail_t __user *avail;
103 	vring_used_t __user *used;
104 	const struct vhost_iotlb_map *meta_iotlb[VHOST_NUM_ADDRS];
105 	struct file *kick;
106 	struct vhost_vring_call call_ctx;
107 	struct eventfd_ctx *error_ctx;
108 	struct eventfd_ctx *log_ctx;
110 	struct vhost_poll poll;
113 	vhost_work_fn_t handle_kick;
118 	u16 last_avail_idx;
120 	u16 next_avail_head;
123 	u16 avail_idx;
128 	u16 last_used_idx;
131 	u16 used_flags;
134 	u16 signalled_used;
137 	bool signalled_used_valid;
140 	bool log_used;
141 	u64 log_addr;
143 	struct iovec iov[UIO_MAXIOV];
144 	struct iovec iotlb_iov[64];
145 	struct iovec *indirect;
146 	struct vring_used_elem *heads;
147 	u16 *nheads;
149 	struct vhost_iotlb *umem;
150 	struct vhost_iotlb *iotlb;
174   struct vhost_virtqueue *vq;  argument