1// SPDX-License-Identifier: GPL-2.0-only
 2
 3#include "sas_internal.h"
 4
 5#include <linux/kernel.h>
 6#include <linux/export.h>
 7#include <scsi/sas.h>
 8#include <scsi/libsas.h>
 9
10/* fill task_status_struct based on SSP response frame */
11void sas_ssp_task_response(struct device *dev, struct sas_task *task,
12			   struct ssp_response_iu *iu)
13{
14	struct task_status_struct *tstat = &task->task_status;
15
16	tstat->resp = SAS_TASK_COMPLETE;
17
18	switch (iu->datapres) {
19	case SAS_DATAPRES_NO_DATA:
20		tstat->stat = iu->status;
21		break;
22	case SAS_DATAPRES_RESPONSE_DATA:
23		tstat->stat = iu->resp_data[3];
24		break;
25	case SAS_DATAPRES_SENSE_DATA:
26		tstat->stat = SAS_SAM_STAT_CHECK_CONDITION;
27		tstat->buf_valid_size =
28			min_t(int, SAS_STATUS_BUF_SIZE,
29			      be32_to_cpu(iu->sense_data_len));
30		memcpy(tstat->buf, iu->sense_data, tstat->buf_valid_size);
31
32		if (iu->status != SAM_STAT_CHECK_CONDITION)
33			dev_warn(dev, "dev %016llx sent sense data, but stat(0x%x) is not CHECK CONDITION\n",
34				 SAS_ADDR(task->dev->sas_addr), iu->status);
35		break;
36	default:
37		/* when datapres contains corrupt/unknown value... */
38		tstat->stat = SAS_SAM_STAT_CHECK_CONDITION;
39	}
 
 
 
40}
41EXPORT_SYMBOL_GPL(sas_ssp_task_response);
42

 
 
 
 
 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