1457c8996SThomas Gleixner // SPDX-License-Identifier: GPL-2.0-only
2d188e5dbSJohn Garry
3d188e5dbSJohn Garry #include "sas_internal.h"
4d188e5dbSJohn Garry
5366ca51fSJames Bottomley #include <linux/kernel.h>
609703660SPaul Gortmaker #include <linux/export.h>
7366ca51fSJames Bottomley #include <scsi/sas.h>
8366ca51fSJames Bottomley #include <scsi/libsas.h>
9366ca51fSJames Bottomley
10366ca51fSJames Bottomley /* 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)11366ca51fSJames Bottomley void sas_ssp_task_response(struct device *dev, struct sas_task *task,
12366ca51fSJames Bottomley struct ssp_response_iu *iu)
13366ca51fSJames Bottomley {
14366ca51fSJames Bottomley struct task_status_struct *tstat = &task->task_status;
15366ca51fSJames Bottomley
16366ca51fSJames Bottomley tstat->resp = SAS_TASK_COMPLETE;
17366ca51fSJames Bottomley
18*1d6049a3SJohn Garry switch (iu->datapres) {
19*1d6049a3SJohn Garry case SAS_DATAPRES_NO_DATA:
20366ca51fSJames Bottomley tstat->stat = iu->status;
21*1d6049a3SJohn Garry break;
22*1d6049a3SJohn Garry case SAS_DATAPRES_RESPONSE_DATA:
23366ca51fSJames Bottomley tstat->stat = iu->resp_data[3];
24*1d6049a3SJohn Garry break;
25*1d6049a3SJohn Garry case SAS_DATAPRES_SENSE_DATA:
26d377f415SBart Van Assche tstat->stat = SAS_SAM_STAT_CHECK_CONDITION;
27366ca51fSJames Bottomley tstat->buf_valid_size =
28366ca51fSJames Bottomley min_t(int, SAS_STATUS_BUF_SIZE,
29366ca51fSJames Bottomley be32_to_cpu(iu->sense_data_len));
30366ca51fSJames Bottomley memcpy(tstat->buf, iu->sense_data, tstat->buf_valid_size);
31366ca51fSJames Bottomley
32df64d3caSJames Bottomley if (iu->status != SAM_STAT_CHECK_CONDITION)
33b3e3d4c6SJohn Garry dev_warn(dev, "dev %016llx sent sense data, but stat(0x%x) is not CHECK CONDITION\n",
3415ba7806SJohn Garry SAS_ADDR(task->dev->sas_addr), iu->status);
35*1d6049a3SJohn Garry break;
36*1d6049a3SJohn Garry default:
37366ca51fSJames Bottomley /* when datapres contains corrupt/unknown value... */
38d377f415SBart Van Assche tstat->stat = SAS_SAM_STAT_CHECK_CONDITION;
39366ca51fSJames Bottomley }
40*1d6049a3SJohn Garry }
41366ca51fSJames Bottomley EXPORT_SYMBOL_GPL(sas_ssp_task_response);
42366ca51fSJames Bottomley
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