41 static sense_reason_t pscsi_execute_cmd(struct se_cmd *cmd);
587 static void pscsi_complete_cmd(struct se_cmd *cmd, u8 scsi_status,  in pscsi_complete_cmd()  argument
590 	struct pscsi_dev_virt *pdv = PSCSI_DEV(cmd->se_dev);  in pscsi_complete_cmd()
592 	unsigned char *cdb = cmd->priv;  in pscsi_complete_cmd()
604 	if (!cmd->data_length)  in pscsi_complete_cmd()
609 		bool read_only = target_lun_is_rdonly(cmd);  in pscsi_complete_cmd()
614 			buf = transport_kmap_data_sg(cmd);  in pscsi_complete_cmd()
626 				transport_kunmap_data_sg(cmd);  in pscsi_complete_cmd()
632 	if (sd->type != TYPE_TAPE || !cmd->data_length)  in pscsi_complete_cmd()
649 		buf = sg_virt(&cmd->t_data_sg[0]);  in pscsi_complete_cmd()
673 		transport_copy_sense_to_cmd(cmd, req_sense);  in pscsi_complete_cmd()
682 		    cmd->data_direction == DMA_FROM_DEVICE) {  in pscsi_complete_cmd()
691 				cmd->se_cmd_flags |= SCF_TREAT_READ_AS_NORMAL;  in pscsi_complete_cmd()
823 pscsi_map_sg(struct se_cmd *cmd, struct scatterlist *sgl, u32 sgl_nents,  in pscsi_map_sg()  argument
826 	struct pscsi_dev_virt *pdv = PSCSI_DEV(cmd->se_dev);  in pscsi_map_sg()
830 	u32 data_len = cmd->data_length, i, len, bytes, off;  in pscsi_map_sg()
831 	int nr_pages = (cmd->data_length + sgl[0].offset +  in pscsi_map_sg()
834 	int rw = (cmd->data_direction == DMA_TO_DEVICE);  in pscsi_map_sg()
836 	BUG_ON(!cmd->data_length);  in pscsi_map_sg()
925 pscsi_parse_cdb(struct se_cmd *cmd)  in pscsi_parse_cdb()  argument
927 	if (cmd->se_cmd_flags & SCF_BIDI)  in pscsi_parse_cdb()
930 	return passthrough_parse_cdb(cmd, pscsi_execute_cmd);  in pscsi_parse_cdb()
934 pscsi_execute_cmd(struct se_cmd *cmd)  in pscsi_execute_cmd()  argument
936 	struct scatterlist *sgl = cmd->t_data_sg;  in pscsi_execute_cmd()
937 	u32 sgl_nents = cmd->t_data_nents;  in pscsi_execute_cmd()
938 	struct pscsi_dev_virt *pdv = PSCSI_DEV(cmd->se_dev);  in pscsi_execute_cmd()
944 			cmd->data_direction == DMA_TO_DEVICE ?  in pscsi_execute_cmd()
950 		ret = pscsi_map_sg(cmd, sgl, sgl_nents, req);  in pscsi_execute_cmd()
956 	req->end_io_data = cmd;  in pscsi_execute_cmd()
959 	scmd->cmd_len = scsi_command_size(cmd->t_task_cdb);  in pscsi_execute_cmd()
964 	memcpy(scmd->cmnd, cmd->t_task_cdb, scmd->cmd_len);  in pscsi_execute_cmd()
973 	cmd->priv = scmd->cmnd;  in pscsi_execute_cmd()
975 	blk_execute_rq_nowait(req, cmd->sam_task_attr == TCM_HEAD_TAG);  in pscsi_execute_cmd()
1008 	struct se_cmd *cmd = req->end_io_data;  in pscsi_req_done()  local
1011 	int valid_data = cmd->data_length - scmd->resid_len;  in pscsi_req_done()
1012 	u8 *cdb = cmd->priv;  in pscsi_req_done()
1016 			" 0x%02x Result: 0x%08x\n", cmd, cdb[0], scmd->result);  in pscsi_req_done()
1019 	pscsi_complete_cmd(cmd, scsi_status, scmd->sense_buffer, valid_data);  in pscsi_req_done()
1023 		target_complete_cmd_with_length(cmd, scsi_status, valid_data);  in pscsi_req_done()
1027 			" 0x%02x Result: 0x%08x\n", cmd, cdb[0], scmd->result);  in pscsi_req_done()
1028 		target_complete_cmd(cmd, SAM_STAT_CHECK_CONDITION);  in pscsi_req_done()