354 static int smc_ib_map_mr_sg(struct smc_buf_desc *buf_slot)  in smc_ib_map_mr_sg()  argument
360 	sg_num = ib_map_mr_sg(buf_slot->mr_rx[SMC_SINGLE_LINK],  in smc_ib_map_mr_sg()
361 			      buf_slot->sgt[SMC_SINGLE_LINK].sgl,  in smc_ib_map_mr_sg()
362 			      buf_slot->sgt[SMC_SINGLE_LINK].orig_nents,  in smc_ib_map_mr_sg()
370 			     struct smc_buf_desc *buf_slot)  in smc_ib_get_memory_region()  argument
372 	if (buf_slot->mr_rx[SMC_SINGLE_LINK])  in smc_ib_get_memory_region()
375 	buf_slot->mr_rx[SMC_SINGLE_LINK] =  in smc_ib_get_memory_region()
376 		ib_alloc_mr(pd, IB_MR_TYPE_MEM_REG, 1 << buf_slot->order);  in smc_ib_get_memory_region()
377 	if (IS_ERR(buf_slot->mr_rx[SMC_SINGLE_LINK])) {  in smc_ib_get_memory_region()
380 		rc = PTR_ERR(buf_slot->mr_rx[SMC_SINGLE_LINK]);  in smc_ib_get_memory_region()
381 		buf_slot->mr_rx[SMC_SINGLE_LINK] = NULL;  in smc_ib_get_memory_region()
385 	if (smc_ib_map_mr_sg(buf_slot) != 1)  in smc_ib_get_memory_region()
393 			    struct smc_buf_desc *buf_slot,  in smc_ib_sync_sg_for_cpu()  argument
400 	for_each_sg(buf_slot->sgt[SMC_SINGLE_LINK].sgl, sg,  in smc_ib_sync_sg_for_cpu()
401 		    buf_slot->sgt[SMC_SINGLE_LINK].nents, i) {  in smc_ib_sync_sg_for_cpu()
413 			       struct smc_buf_desc *buf_slot,  in smc_ib_sync_sg_for_device()  argument
420 	for_each_sg(buf_slot->sgt[SMC_SINGLE_LINK].sgl, sg,  in smc_ib_sync_sg_for_device()
421 		    buf_slot->sgt[SMC_SINGLE_LINK].nents, i) {  in smc_ib_sync_sg_for_device()
433 		      struct smc_buf_desc *buf_slot,  in smc_ib_buf_map_sg()  argument
439 				     buf_slot->sgt[SMC_SINGLE_LINK].sgl,  in smc_ib_buf_map_sg()
440 				     buf_slot->sgt[SMC_SINGLE_LINK].orig_nents,  in smc_ib_buf_map_sg()
449 			 struct smc_buf_desc *buf_slot,  in smc_ib_buf_unmap_sg()  argument
452 	if (!buf_slot->sgt[SMC_SINGLE_LINK].sgl->dma_address)  in smc_ib_buf_unmap_sg()
456 			buf_slot->sgt[SMC_SINGLE_LINK].sgl,  in smc_ib_buf_unmap_sg()
457 			buf_slot->sgt[SMC_SINGLE_LINK].orig_nents,  in smc_ib_buf_unmap_sg()
459 	buf_slot->sgt[SMC_SINGLE_LINK].sgl->dma_address = 0;  in smc_ib_buf_unmap_sg()