47 #define XEN_9PFS_RING_SIZE(ring)  XEN_FLEX_RING_SIZE(ring->intf->ring_order)
61 	struct xen_9pfs_data_intf *intf;  member
131 	cons = ring->intf->out_cons;  in p9_xen_write_todo()
132 	prod = ring->intf->out_prod;  in p9_xen_write_todo()
166 	cons = ring->intf->out_cons;  in p9_xen_request()
167 	prod = ring->intf->out_prod;  in p9_xen_request()
186 	ring->intf->out_prod = prod;  in p9_xen_request()
207 		cons = ring->intf->in_cons;  in p9_xen_response()
208 		prod = ring->intf->in_prod;  in p9_xen_response()
230 			ring->intf->in_cons = cons;  in p9_xen_response()
254 		ring->intf->in_cons = cons;  in p9_xen_response()
307 		if (!priv->rings[i].intf)  in xen_9pfs_front_free()
313 			     j < (1 << priv->rings[i].intf->ring_order);  in xen_9pfs_front_free()
317 				ref = priv->rings[i].intf->ref[j];  in xen_9pfs_front_free()
321 				   1UL << (priv->rings[i].intf->ring_order +  in xen_9pfs_front_free()
325 		free_page((unsigned long)priv->rings[i].intf);  in xen_9pfs_front_free()
353 	ring->intf = (struct xen_9pfs_data_intf *)get_zeroed_page(GFP_KERNEL);  in xen_9pfs_front_alloc_dataring()
354 	if (!ring->intf)  in xen_9pfs_front_alloc_dataring()
357 					  virt_to_gfn(ring->intf), 0);  in xen_9pfs_front_alloc_dataring()
372 		ring->intf->ref[i] = ret;  in xen_9pfs_front_alloc_dataring()
374 	ring->intf->ring_order = order;  in xen_9pfs_front_alloc_dataring()
392 			gnttab_end_foreign_access(ring->intf->ref[i], 0, 0);  in xen_9pfs_front_alloc_dataring()
396 	free_page((unsigned long)ring->intf);  in xen_9pfs_front_alloc_dataring()