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