target/loopback/tcm_loop.c

46 static int tcm_loop_queue_status(struct se_cmd *se_cmd);
60 static int tcm_loop_check_stop_free(struct se_cmd *se_cmd)
62 	return transport_generic_free_cmd(se_cmd, 0);
65 static void tcm_loop_release_cmd(struct se_cmd *se_cmd)
67 	struct tcm_loop_cmd *tl_cmd = container_of(se_cmd,
71 	if (se_cmd->se_cmd_flags & SCF_SCSI_TMR_CDB)
103 	struct se_cmd *se_cmd = &tl_cmd->tl_se_cmd;
137 		se_cmd->prot_pto = true;
146 	se_cmd->tag = tl_cmd->sc_cmd_tag;
147 	target_init_cmd(se_cmd, tl_nexus->se_sess, &tl_cmd->tl_sense_buf[0],
151 	if (target_submit_prep(se_cmd, sc->cmnd, scsi_sglist(sc),
157 	target_submit(se_cmd);
192 	struct se_cmd *se_cmd;
213 	se_cmd = &tl_cmd->tl_se_cmd;
216 	rc = target_submit_tmr(se_cmd, se_sess, tl_cmd->tl_sense_buf, lun,
222 	ret = se_cmd->se_tmr_req->response;
223 	target_put_sess_cmd(se_cmd);
488 static int tcm_loop_get_cmd_state(struct se_cmd *se_cmd)
490 	struct tcm_loop_cmd *tl_cmd = container_of(se_cmd,
496 static int tcm_loop_write_pending(struct se_cmd *se_cmd)
501 	 * memory, and memory has already been mapped to struct se_cmd->t_mem_list
507 	target_execute_cmd(se_cmd);
512 		struct se_cmd *se_cmd, u8 scsi_status)
514 	struct tcm_loop_cmd *tl_cmd = container_of(se_cmd,
521 	if (se_cmd->sense_buffer &&
522 	   ((se_cmd->se_cmd_flags & SCF_TRANSPORT_TASK_SENSE) ||
523 	    (se_cmd->se_cmd_flags & SCF_EMULATED_TASK_SENSE))) {
525 		memcpy(sc->sense_buffer, se_cmd->sense_buffer,
532 	if ((se_cmd->se_cmd_flags & SCF_OVERFLOW_BIT) ||
533 	    (se_cmd->se_cmd_flags & SCF_UNDERFLOW_BIT))
534 		scsi_set_resid(sc, se_cmd->residual_count);
538 static int tcm_loop_queue_data_in(struct se_cmd *se_cmd)
540 	return tcm_loop_queue_data_or_status(__func__, se_cmd, SAM_STAT_GOOD);
543 static int tcm_loop_queue_status(struct se_cmd *se_cmd)
546 					     se_cmd, se_cmd->scsi_status);
549 static void tcm_loop_queue_tm_rsp(struct se_cmd *se_cmd)
551 	struct tcm_loop_cmd *tl_cmd = container_of(se_cmd,
558 static void tcm_loop_aborted_task(struct se_cmd *se_cmd)