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 */
sas_ssp_task_response(struct device * dev,struct sas_task * task,struct ssp_response_iu * iu)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