204 					  unsigned int total_sg)  in virtqueue_use_indirect()  argument
212 	return (vq->indirect && total_sg > 1 && vq->vq.num_free);  in virtqueue_use_indirect()
393 					       unsigned int total_sg,  in alloc_indirect_split()  argument
406 	desc = kmalloc_array(total_sg, sizeof(struct vring_desc), gfp);  in alloc_indirect_split()
410 	for (i = 0; i < total_sg; i++)  in alloc_indirect_split()
417 				      unsigned int total_sg,  in virtqueue_add_split()  argument
443 	BUG_ON(total_sg == 0);  in virtqueue_add_split()
447 	if (virtqueue_use_indirect(_vq, total_sg))  in virtqueue_add_split()
448 		desc = alloc_indirect_split(_vq, total_sg, gfp);  in virtqueue_add_split()
451 		WARN_ON_ONCE(total_sg > vq->split.vring.num && !vq->indirect);  in virtqueue_add_split()
464 		descs_used = total_sg;  in virtqueue_add_split()
513 			vq, desc, total_sg * sizeof(struct vring_desc),  in virtqueue_add_split()
524 				total_sg * sizeof(struct vring_desc));  in virtqueue_add_split()
575 	for (n = 0; n < total_sg; n++) {  in virtqueue_add_split()
962 static struct vring_packed_desc *alloc_indirect_packed(unsigned int total_sg,  in alloc_indirect_packed()  argument
974 	desc = kmalloc_array(total_sg, sizeof(struct vring_packed_desc), gfp);  in alloc_indirect_packed()
981 				       unsigned int total_sg,  in virtqueue_add_indirect_packed()  argument
994 	desc = alloc_indirect_packed(total_sg, gfp);  in virtqueue_add_indirect_packed()
1024 			total_sg * sizeof(struct vring_packed_desc),  in virtqueue_add_indirect_packed()
1030 	vq->packed.vring.desc[head].len = cpu_to_le32(total_sg *  in virtqueue_add_indirect_packed()
1036 		vq->packed.desc_extra[id].len = total_sg *  in virtqueue_add_indirect_packed()
1093 				       unsigned int total_sg,  in virtqueue_add_packed()  argument
1119 	BUG_ON(total_sg == 0);  in virtqueue_add_packed()
1121 	if (virtqueue_use_indirect(_vq, total_sg))  in virtqueue_add_packed()
1122 		return virtqueue_add_indirect_packed(vq, sgs, total_sg,  in virtqueue_add_packed()
1128 	WARN_ON_ONCE(total_sg > vq->packed.vring.num && !vq->indirect);  in virtqueue_add_packed()
1132 	descs_used = total_sg;  in virtqueue_add_packed()
1154 				    (++c == total_sg ? 0 : VRING_DESC_F_NEXT) |  in virtqueue_add_packed()
1219 	for (n = 0; n < total_sg; n++) {  in virtqueue_add_packed()
1695 				unsigned int total_sg,  in virtqueue_add()  argument
1704 	return vq->packed_ring ? virtqueue_add_packed(_vq, sgs, total_sg,  in virtqueue_add()
1706 				 virtqueue_add_split(_vq, sgs, total_sg,  in virtqueue_add()
1731 	unsigned int i, total_sg = 0;  in virtqueue_add_sgs()  local
1738 			total_sg++;  in virtqueue_add_sgs()
1740 	return virtqueue_add(_vq, sgs, total_sg, out_sgs, in_sgs,  in virtqueue_add_sgs()