19 typedef struct Vqueue Vqueue;  typedef
120 struct Vqueue  struct
124 	uint	qsize;
125 	uint	qmask;
127 	Vdesc	*desc;
129 	Vring	*avail;
130 	u16int	*availent;
131 	u16int	*availevent;
133 	Vring	*used;
134 	Vused	*usedent;
135 	u16int	*usedevent;
159 	Vqueue	queue[3];  argument