236 				   unsigned int total_sg)  in virtqueue_use_indirect()  argument
242 	return (vq->indirect && total_sg > 1 && vq->vq.num_free);  in virtqueue_use_indirect()
476 					       unsigned int total_sg,  in alloc_indirect_split()  argument
490 	size = sizeof(*desc) * total_sg + sizeof(*extra) * total_sg;  in alloc_indirect_split()
496 	extra = (struct vring_desc_extra *)&desc[total_sg];  in alloc_indirect_split()
498 	for (i = 0; i < total_sg; i++)  in alloc_indirect_split()
531 				      unsigned int total_sg,  in virtqueue_add_split()  argument
559 	BUG_ON(total_sg == 0);  in virtqueue_add_split()
563 	if (virtqueue_use_indirect(vq, total_sg))  in virtqueue_add_split()
564 		desc = alloc_indirect_split(_vq, total_sg, gfp);  in virtqueue_add_split()
567 		WARN_ON_ONCE(total_sg > vq->split.vring.num && !vq->indirect);  in virtqueue_add_split()
576 		extra = (struct vring_desc_extra *)&desc[total_sg];  in virtqueue_add_split()
582 		descs_used = total_sg;  in virtqueue_add_split()
643 			vq, desc, total_sg * sizeof(struct vring_desc),  in virtqueue_add_split()
651 					 total_sg * sizeof(struct vring_desc),  in virtqueue_add_split()
702 	for (n = 0; n < total_sg; n++) {  in virtqueue_add_split()
1295 static struct vring_packed_desc *alloc_indirect_packed(unsigned int total_sg,  in alloc_indirect_packed()  argument
1309 	size = (sizeof(*desc) + sizeof(*extra)) * total_sg;  in alloc_indirect_packed()
1315 	extra = (struct vring_desc_extra *)&desc[total_sg];  in alloc_indirect_packed()
1317 	for (i = 0; i < total_sg; i++)  in alloc_indirect_packed()
1325 					 unsigned int total_sg,  in virtqueue_add_indirect_packed()  argument
1340 	desc = alloc_indirect_packed(total_sg, gfp);  in virtqueue_add_indirect_packed()
1344 	extra = (struct vring_desc_extra *)&desc[total_sg];  in virtqueue_add_indirect_packed()
1381 			total_sg * sizeof(struct vring_packed_desc),  in virtqueue_add_indirect_packed()
1387 	vq->packed.vring.desc[head].len = cpu_to_le32(total_sg *  in virtqueue_add_indirect_packed()
1393 		vq->packed.desc_extra[id].len = total_sg *  in virtqueue_add_indirect_packed()
1450 				       unsigned int total_sg,  in virtqueue_add_packed()  argument
1478 	BUG_ON(total_sg == 0);  in virtqueue_add_packed()
1480 	if (virtqueue_use_indirect(vq, total_sg)) {  in virtqueue_add_packed()
1481 		err = virtqueue_add_indirect_packed(vq, sgs, total_sg, out_sgs,  in virtqueue_add_packed()
1494 	WARN_ON_ONCE(total_sg > vq->packed.vring.num && !vq->indirect);  in virtqueue_add_packed()
1498 	descs_used = total_sg;  in virtqueue_add_packed()
1522 				    (++c == total_sg ? 0 : VRING_DESC_F_NEXT) |  in virtqueue_add_packed()
1589 	for (n = 0; n < total_sg; n++) {  in virtqueue_add_packed()
2270 				unsigned int total_sg,  in virtqueue_add()  argument
2280 	return vq->packed_ring ? virtqueue_add_packed(_vq, sgs, total_sg,  in virtqueue_add()
2282 				 virtqueue_add_split(_vq, sgs, total_sg,  in virtqueue_add()
2307 	unsigned int i, total_sg = 0;  in virtqueue_add_sgs()  local
2314 			total_sg++;  in virtqueue_add_sgs()
2316 	return virtqueue_add(_vq, sgs, total_sg, out_sgs, in_sgs,  in virtqueue_add_sgs()