161 static int srp_direct_data(struct ibmvscsis_cmd *cmd, struct srp_direct_buf *md,  in srp_direct_data()  argument
170 		iue = cmd->iue;  in srp_direct_data()
171 		sg = cmd->se_cmd.t_data_sg;  in srp_direct_data()
172 		nsg = dma_map_sg(iue->target->dev, sg, cmd->se_cmd.t_data_nents,  in srp_direct_data()
176 			       cmd->se_cmd.t_data_nents);  in srp_direct_data()
179 		len = min(cmd->se_cmd.data_length, be32_to_cpu(md->len));  in srp_direct_data()
184 	err = rdma_io(cmd, sg, nsg, md, 1, dir, len);  in srp_direct_data()
192 static int srp_indirect_data(struct ibmvscsis_cmd *cmd, struct srp_cmd *srp_cmd,  in srp_indirect_data()  argument
205 		iue = cmd->iue;  in srp_indirect_data()
206 		sg = cmd->se_cmd.t_data_sg;  in srp_indirect_data()
230 		err = rdma_io(cmd, &dummy, 1, &id->table_desc, 1, DMA_TO_DEVICE,  in srp_indirect_data()
243 		nsg = dma_map_sg(iue->target->dev, sg, cmd->se_cmd.t_data_nents,  in srp_indirect_data()
247 			       cmd->se_cmd.t_data_nents);  in srp_indirect_data()
251 		len = min(cmd->se_cmd.data_length, be32_to_cpu(id->len));  in srp_indirect_data()
256 	err = rdma_io(cmd, sg, nsg, md, nmd, dir, len);  in srp_indirect_data()
269 static int data_out_desc_size(struct srp_cmd *cmd)  in data_out_desc_size()  argument
272 	u8 fmt = cmd->buf_fmt >> 4;  in data_out_desc_size()
282 			sizeof(struct srp_direct_buf) * cmd->data_out_desc_cnt;  in data_out_desc_size()
295 int srp_transfer_data(struct ibmvscsis_cmd *cmd, struct srp_cmd *srp_cmd,  in srp_transfer_data()  argument
304 	if (!cmd->se_cmd.t_data_nents)  in srp_transfer_data()
323 		err = srp_direct_data(cmd, md, dir, rdma_io, dma_map, ext_desc);  in srp_transfer_data()
327 		err = srp_indirect_data(cmd, srp_cmd, id, dir, rdma_io, dma_map,  in srp_transfer_data()
338 u64 srp_data_length(struct srp_cmd *cmd, enum dma_data_direction dir)  in srp_data_length()  argument
343 	uint offset = cmd->add_cdb_len & ~3;  in srp_data_length()
347 		fmt = cmd->buf_fmt >> 4;  in srp_data_length()
349 		fmt = cmd->buf_fmt & ((1U << 4) - 1);  in srp_data_length()
350 		offset += data_out_desc_size(cmd);  in srp_data_length()
357 		md = (struct srp_direct_buf *)(cmd->add_data + offset);  in srp_data_length()
361 		id = (struct srp_indirect_buf *)(cmd->add_data + offset);  in srp_data_length()