drivers/vhost/vhost.h

79 struct vhost_virtqueue {  struct
80 	struct vhost_dev *dev;
81 	struct vhost_worker __rcu *worker;
84 	struct mutex mutex;
85 	unsigned int num;
86 	vring_desc_t __user *desc;
87 	vring_avail_t __user *avail;
88 	vring_used_t __user *used;
89 	const struct vhost_iotlb_map *meta_iotlb[VHOST_NUM_ADDRS];
90 	struct file *kick;
91 	struct vhost_vring_call call_ctx;
92 	struct eventfd_ctx *error_ctx;
93 	struct eventfd_ctx *log_ctx;
95 	struct vhost_poll poll;
98 	vhost_work_fn_t handle_kick;
103 	u16 last_avail_idx;
106 	u16 avail_idx;
111 	u16 last_used_idx;
114 	u16 used_flags;
117 	u16 signalled_used;
120 	bool signalled_used_valid;
123 	bool log_used;
124 	u64 log_addr;
126 	struct iovec iov[UIO_MAXIOV];
127 	struct iovec iotlb_iov[64];
128 	struct iovec *indirect;
129 	struct vring_used_elem *heads;
131 	struct vhost_iotlb *umem;
132 	struct vhost_iotlb *iotlb;
156   struct vhost_virtqueue *vq;  argument