293 	     struct vringh_kiov *riov,  in __vringh_iov()  argument
315 	if (WARN_ON(!riov && !wiov))  in __vringh_iov()
318 	if (riov)  in __vringh_iov()
319 		riov->i = riov->used = riov->consumed = 0;  in __vringh_iov()
375 			iov = riov;  in __vringh_iov()
685  * @riov: where to put the readable descriptors (or NULL)
697  * Note that you can reuse riov and wiov with subsequent calls. Content is
699  * When you don't have to use riov and wiov anymore, you should clean up them
703 			struct vringh_iov *riov,  in vringh_getdesc_user()  argument
741 	err = __vringh_iov(vrh, *head, (struct vringh_kiov *)riov,  in vringh_getdesc_user()
753  * @riov: the riov as passed to vringh_getdesc_user() (updated as we consume)
759 ssize_t vringh_iov_pull_user(struct vringh_iov *riov, void *dst, size_t len)  in vringh_iov_pull_user()  argument
761 	return vringh_iov_xfer(NULL, (struct vringh_kiov *)riov,  in vringh_iov_pull_user()
928  * @riov: where to put the readable descriptors (or NULL)
931  * @gfp: flags for allocating larger riov/wiov.
940  * Note that you can reuse riov and wiov with subsequent calls. Content is
942  * When you don't have to use riov and wiov anymore, you should clean up them
946 			struct vringh_kiov *riov,  in vringh_getdesc_kern()  argument
962 	err = __vringh_iov(vrh, *head, riov, wiov, no_range_check, NULL,  in vringh_getdesc_kern()
1387  * @riov: where to put the readable descriptors (or NULL)
1390  * @gfp: flags for allocating larger riov/wiov.
1399  * Note that you can reuse riov and wiov with subsequent calls. Content is
1401  * When you don't have to use riov and wiov anymore, you should clean up them
1405 			 struct vringh_kiov *riov,  in vringh_getdesc_iotlb()  argument
1421 	err = __vringh_iov(vrh, *head, riov, wiov, no_range_check, NULL,  in vringh_getdesc_iotlb()
1433  * @riov: the riov as passed to vringh_getdesc_iotlb() (updated as we consume)
1440 			      struct vringh_kiov *riov,  in vringh_iov_pull_iotlb()  argument
1443 	return vringh_iov_xfer(vrh, riov, dst, len, xfer_from_iotlb);  in vringh_iov_pull_iotlb()