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 */
sas_ssp_task_response(struct device * dev,struct sas_task * task,struct ssp_response_iu * iu)11 void 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 if (iu->datapres == 0)
19 tstat->stat = iu->status;
20 else if (iu->datapres == 1)
21 tstat->stat = iu->resp_data[3];
22 else if (iu->datapres == 2) {
23 tstat->stat = SAM_STAT_CHECK_CONDITION;
24 tstat->buf_valid_size =
25 min_t(int, SAS_STATUS_BUF_SIZE,
26 be32_to_cpu(iu->sense_data_len));
27 memcpy(tstat->buf, iu->sense_data, tstat->buf_valid_size);
28
29 if (iu->status != SAM_STAT_CHECK_CONDITION)
30 dev_warn(dev, "dev %016llx sent sense data, but stat(0x%x) is not CHECK CONDITION\n",
31 SAS_ADDR(task->dev->sas_addr), iu->status);
32 }
33 else
34 /* when datapres contains corrupt/unknown value... */
35 tstat->stat = SAM_STAT_CHECK_CONDITION;
36 }
37 EXPORT_SYMBOL_GPL(sas_ssp_task_response);
38
39
