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