xref: /openbmc/linux/drivers/scsi/libsas/sas_task.c (revision 22246614)
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 */
6 void 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_CHECK_COND;
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_CHECK_COND)
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_CHECK_COND;
34 }
35 EXPORT_SYMBOL_GPL(sas_ssp_task_response);
36 
37