static void scsi_command_complete(void *opaque, int ret) { int status; SCSIGenericReq *r = (SCSIGenericReq *)opaque; r->req.aiocb = NULL; if (r->req.io_canceled) { goto done; } if (r->io_header.driver_status & SG_ERR_DRIVER_SENSE) { r->req.sense_len = r->io_header.sb_len_wr; } if (ret != 0) { switch (ret) { case -EDOM: status = TASK_SET_FULL; break; case -ENOMEM: status = CHECK_CONDITION; scsi_req_build_sense(&r->req, SENSE_CODE(TARGET_FAILURE)); break; default: status = CHECK_CONDITION; scsi_req_build_sense(&r->req, SENSE_CODE(IO_ERROR)); break; } } else { if (r->io_header.host_status == SG_ERR_DID_NO_CONNECT || r->io_header.host_status == SG_ERR_DID_BUS_BUSY || r->io_header.host_status == SG_ERR_DID_TIME_OUT || (r->io_header.driver_status & SG_ERR_DRIVER_TIMEOUT)) { status = BUSY; BADF("Driver Timeout\n"); } else if (r->io_header.host_status) { status = CHECK_CONDITION; scsi_req_build_sense(&r->req, SENSE_CODE(I_T_NEXUS_LOSS)); } else if (r->io_header.status) { status = r->io_header.status; } else if (r->io_header.driver_status & SG_ERR_DRIVER_SENSE) { status = CHECK_CONDITION; } else { status = GOOD; } } DPRINTF("Command complete 0x%p tag=0x%x status=%d\n", r, r->req.tag, status); scsi_req_complete(&r->req, status); done: if (!r->req.io_canceled) { scsi_req_unref(&r->req); } }