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366ca51f JB |
1 | #include <linux/kernel.h> |
2 | #include <scsi/sas.h> | |
3 | #include <scsi/libsas.h> | |
4 | ||
5 | /* fill task_status_struct based on SSP response frame */ | |
6 | void sas_ssp_task_response(struct device *dev, struct sas_task *task, | |
7 | struct ssp_response_iu *iu) | |
8 | { | |
9 | struct task_status_struct *tstat = &task->task_status; | |
10 | ||
11 | tstat->resp = SAS_TASK_COMPLETE; | |
12 | ||
13 | if (iu->datapres == 0) | |
14 | tstat->stat = iu->status; | |
15 | else if (iu->datapres == 1) | |
16 | tstat->stat = iu->resp_data[3]; | |
17 | else if (iu->datapres == 2) { | |
df64d3ca | 18 | tstat->stat = SAM_STAT_CHECK_CONDITION; |
366ca51f JB |
19 | tstat->buf_valid_size = |
20 | min_t(int, SAS_STATUS_BUF_SIZE, | |
21 | be32_to_cpu(iu->sense_data_len)); | |
22 | memcpy(tstat->buf, iu->sense_data, tstat->buf_valid_size); | |
23 | ||
df64d3ca | 24 | if (iu->status != SAM_STAT_CHECK_CONDITION) |
366ca51f JB |
25 | dev_printk(KERN_WARNING, dev, |
26 | "dev %llx sent sense data, but " | |
27 | "stat(%x) is not CHECK CONDITION\n", | |
28 | SAS_ADDR(task->dev->sas_addr), | |
29 | iu->status); | |
30 | } | |
31 | else | |
32 | /* when datapres contains corrupt/unknown value... */ | |
df64d3ca | 33 | tstat->stat = SAM_STAT_CHECK_CONDITION; |
366ca51f JB |
34 | } |
35 | EXPORT_SYMBOL_GPL(sas_ssp_task_response); | |
36 |