1 // SPDX-License-Identifier: GPL-2.0-only 2 3 #include "sas_internal.h" 4 5 #include <linux/kernel.h> 6 #include <linux/export.h> 7 #include <scsi/sas.h> 8 #include <scsi/libsas.h> 9 10 /* fill task_status_struct based on SSP response frame */ 11 void sas_ssp_task_response(struct device *dev, struct sas_task *task, 12 struct ssp_response_iu *iu) 13 { 14 struct task_status_struct *tstat = &task->task_status; 15 16 tstat->resp = SAS_TASK_COMPLETE; 17 18 if (iu->datapres == 0) 19 tstat->stat = iu->status; 20 else if (iu->datapres == 1) 21 tstat->stat = iu->resp_data[3]; 22 else if (iu->datapres == 2) { 23 tstat->stat = SAM_STAT_CHECK_CONDITION; 24 tstat->buf_valid_size = 25 min_t(int, SAS_STATUS_BUF_SIZE, 26 be32_to_cpu(iu->sense_data_len)); 27 memcpy(tstat->buf, iu->sense_data, tstat->buf_valid_size); 28 29 if (iu->status != SAM_STAT_CHECK_CONDITION) 30 dev_warn(dev, "dev %016llx sent sense data, but stat(0x%x) is not CHECK CONDITION\n", 31 SAS_ADDR(task->dev->sas_addr), iu->status); 32 } 33 else 34 /* when datapres contains corrupt/unknown value... */ 35 tstat->stat = SAM_STAT_CHECK_CONDITION; 36 } 37 EXPORT_SYMBOL_GPL(sas_ssp_task_response); 38 39