+/**
+ * lpfc_send_scsi_error_event: Posts an event when there is SCSI error.
+ * @phba: Pointer to hba context object.
+ * @vport: Pointer to vport object.
+ * @lpfc_cmd: Pointer to lpfc scsi command which reported the error.
+ * @rsp_iocb: Pointer to response iocb object which reported error.
+ *
+ * This function posts an event when there is a SCSI command reporting
+ * error from the scsi device.
+ **/
+static void
+lpfc_send_scsi_error_event(struct lpfc_hba *phba, struct lpfc_vport *vport,
+ struct lpfc_scsi_buf *lpfc_cmd, struct lpfc_iocbq *rsp_iocb) {
+ struct scsi_cmnd *cmnd = lpfc_cmd->pCmd;
+ struct fcp_rsp *fcprsp = lpfc_cmd->fcp_rsp;
+ uint32_t resp_info = fcprsp->rspStatus2;
+ uint32_t scsi_status = fcprsp->rspStatus3;
+ uint32_t fcpi_parm = rsp_iocb->iocb.un.fcpi.fcpi_parm;
+ struct lpfc_fast_path_event *fast_path_evt = NULL;
+ struct lpfc_nodelist *pnode = lpfc_cmd->rdata->pnode;
+ unsigned long flags;
+
+ /* If there is queuefull or busy condition send a scsi event */
+ if ((cmnd->result == SAM_STAT_TASK_SET_FULL) ||
+ (cmnd->result == SAM_STAT_BUSY)) {
+ fast_path_evt = lpfc_alloc_fast_evt(phba);
+ if (!fast_path_evt)
+ return;
+ fast_path_evt->un.scsi_evt.event_type =
+ FC_REG_SCSI_EVENT;
+ fast_path_evt->un.scsi_evt.subcategory =
+ (cmnd->result == SAM_STAT_TASK_SET_FULL) ?
+ LPFC_EVENT_QFULL : LPFC_EVENT_DEVBSY;
+ fast_path_evt->un.scsi_evt.lun = cmnd->device->lun;
+ memcpy(&fast_path_evt->un.scsi_evt.wwpn,
+ &pnode->nlp_portname, sizeof(struct lpfc_name));
+ memcpy(&fast_path_evt->un.scsi_evt.wwnn,
+ &pnode->nlp_nodename, sizeof(struct lpfc_name));
+ } else if ((resp_info & SNS_LEN_VALID) && fcprsp->rspSnsLen &&
+ ((cmnd->cmnd[0] == READ_10) || (cmnd->cmnd[0] == WRITE_10))) {
+ fast_path_evt = lpfc_alloc_fast_evt(phba);
+ if (!fast_path_evt)
+ return;
+ fast_path_evt->un.check_cond_evt.scsi_event.event_type =
+ FC_REG_SCSI_EVENT;
+ fast_path_evt->un.check_cond_evt.scsi_event.subcategory =
+ LPFC_EVENT_CHECK_COND;
+ fast_path_evt->un.check_cond_evt.scsi_event.lun =
+ cmnd->device->lun;
+ memcpy(&fast_path_evt->un.check_cond_evt.scsi_event.wwpn,
+ &pnode->nlp_portname, sizeof(struct lpfc_name));
+ memcpy(&fast_path_evt->un.check_cond_evt.scsi_event.wwnn,
+ &pnode->nlp_nodename, sizeof(struct lpfc_name));
+ fast_path_evt->un.check_cond_evt.sense_key =
+ cmnd->sense_buffer[2] & 0xf;
+ fast_path_evt->un.check_cond_evt.asc = cmnd->sense_buffer[12];
+ fast_path_evt->un.check_cond_evt.ascq = cmnd->sense_buffer[13];
+ } else if ((cmnd->sc_data_direction == DMA_FROM_DEVICE) &&
+ fcpi_parm &&
+ ((be32_to_cpu(fcprsp->rspResId) != fcpi_parm) ||
+ ((scsi_status == SAM_STAT_GOOD) &&
+ !(resp_info & (RESID_UNDER | RESID_OVER))))) {
+ /*
+ * If status is good or resid does not match with fcp_param and
+ * there is valid fcpi_parm, then there is a read_check error
+ */
+ fast_path_evt = lpfc_alloc_fast_evt(phba);
+ if (!fast_path_evt)
+ return;
+ fast_path_evt->un.read_check_error.header.event_type =
+ FC_REG_FABRIC_EVENT;
+ fast_path_evt->un.read_check_error.header.subcategory =
+ LPFC_EVENT_FCPRDCHKERR;
+ memcpy(&fast_path_evt->un.read_check_error.header.wwpn,
+ &pnode->nlp_portname, sizeof(struct lpfc_name));
+ memcpy(&fast_path_evt->un.read_check_error.header.wwnn,
+ &pnode->nlp_nodename, sizeof(struct lpfc_name));
+ fast_path_evt->un.read_check_error.lun = cmnd->device->lun;
+ fast_path_evt->un.read_check_error.opcode = cmnd->cmnd[0];
+ fast_path_evt->un.read_check_error.fcpiparam =
+ fcpi_parm;
+ } else
+ return;
+
+ fast_path_evt->vport = vport;
+ spin_lock_irqsave(&phba->hbalock, flags);
+ list_add_tail(&fast_path_evt->work_evt.evt_listp, &phba->work_list);
+ spin_unlock_irqrestore(&phba->hbalock, flags);
+ lpfc_worker_wake_up(phba);
+ return;
+}