tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1
2#include "sas_internal.h"
3
4#include <linux/kernel.h>
5#include <linux/export.h>
6#include <scsi/sas.h>
7#include <scsi/libsas.h>
8
9/* fill task_status_struct based on SSP response frame */
10void sas_ssp_task_response(struct device *dev, struct sas_task *task,
11 struct ssp_response_iu *iu)
12{
13 struct task_status_struct *tstat = &task->task_status;
14
15 tstat->resp = SAS_TASK_COMPLETE;
16
17 if (iu->datapres == 0)
18 tstat->stat = iu->status;
19 else if (iu->datapres == 1)
20 tstat->stat = iu->resp_data[3];
21 else if (iu->datapres == 2) {
22 tstat->stat = SAM_STAT_CHECK_CONDITION;
23 tstat->buf_valid_size =
24 min_t(int, SAS_STATUS_BUF_SIZE,
25 be32_to_cpu(iu->sense_data_len));
26 memcpy(tstat->buf, iu->sense_data, tstat->buf_valid_size);
27
28 if (iu->status != SAM_STAT_CHECK_CONDITION)
29 dev_warn(dev, "dev %llx sent sense data, but stat(%x) is not CHECK CONDITION\n",
30 SAS_ADDR(task->dev->sas_addr), 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