701 static int smc_ib_map_mr_sg(struct smc_buf_desc *buf_slot, u8 link_idx)  in smc_ib_map_mr_sg()  argument
707 	sg_num = ib_map_mr_sg(buf_slot->mr[link_idx],  in smc_ib_map_mr_sg()
708 			      buf_slot->sgt[link_idx].sgl,  in smc_ib_map_mr_sg()
709 			      buf_slot->sgt[link_idx].orig_nents,  in smc_ib_map_mr_sg()
717 			     struct smc_buf_desc *buf_slot, u8 link_idx)  in smc_ib_get_memory_region()  argument
719 	if (buf_slot->mr[link_idx])  in smc_ib_get_memory_region()
722 	buf_slot->mr[link_idx] =  in smc_ib_get_memory_region()
723 		ib_alloc_mr(pd, IB_MR_TYPE_MEM_REG, 1 << buf_slot->order);  in smc_ib_get_memory_region()
724 	if (IS_ERR(buf_slot->mr[link_idx])) {  in smc_ib_get_memory_region()
727 		rc = PTR_ERR(buf_slot->mr[link_idx]);  in smc_ib_get_memory_region()
728 		buf_slot->mr[link_idx] = NULL;  in smc_ib_get_memory_region()
732 	if (smc_ib_map_mr_sg(buf_slot, link_idx) !=  in smc_ib_get_memory_region()
733 			     buf_slot->sgt[link_idx].orig_nents)  in smc_ib_get_memory_region()
740 			    struct smc_buf_desc *buf_slot)  in smc_ib_is_sg_need_sync()  argument
747 	for_each_sg(buf_slot->sgt[lnk->link_idx].sgl, sg,  in smc_ib_is_sg_need_sync()
748 		    buf_slot->sgt[lnk->link_idx].nents, i) {  in smc_ib_is_sg_need_sync()
764 			    struct smc_buf_desc *buf_slot,  in smc_ib_sync_sg_for_cpu()  argument
770 	if (!(buf_slot->is_dma_need_sync & (1U << lnk->link_idx)))  in smc_ib_sync_sg_for_cpu()
774 	for_each_sg(buf_slot->sgt[lnk->link_idx].sgl, sg,  in smc_ib_sync_sg_for_cpu()
775 		    buf_slot->sgt[lnk->link_idx].nents, i) {  in smc_ib_sync_sg_for_cpu()
787 			       struct smc_buf_desc *buf_slot,  in smc_ib_sync_sg_for_device()  argument
793 	if (!(buf_slot->is_dma_need_sync & (1U << lnk->link_idx)))  in smc_ib_sync_sg_for_device()
797 	for_each_sg(buf_slot->sgt[lnk->link_idx].sgl, sg,  in smc_ib_sync_sg_for_device()
798 		    buf_slot->sgt[lnk->link_idx].nents, i) {  in smc_ib_sync_sg_for_device()
810 		      struct smc_buf_desc *buf_slot,  in smc_ib_buf_map_sg()  argument
816 				     buf_slot->sgt[lnk->link_idx].sgl,  in smc_ib_buf_map_sg()
817 				     buf_slot->sgt[lnk->link_idx].orig_nents,  in smc_ib_buf_map_sg()
826 			 struct smc_buf_desc *buf_slot,  in smc_ib_buf_unmap_sg()  argument
829 	if (!buf_slot->sgt[lnk->link_idx].sgl->dma_address)  in smc_ib_buf_unmap_sg()
833 			buf_slot->sgt[lnk->link_idx].sgl,  in smc_ib_buf_unmap_sg()
834 			buf_slot->sgt[lnk->link_idx].orig_nents,  in smc_ib_buf_unmap_sg()
836 	buf_slot->sgt[lnk->link_idx].sgl->dma_address = 0;  in smc_ib_buf_unmap_sg()