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 */
7void 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}
36EXPORT_SYMBOL_GPL(sas_ssp_task_response);
37
38