Merge branch 'merge'
[linux-2.6] / drivers / scsi / libsas / sas_task.c
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) {
18                 tstat->stat = SAM_CHECK_COND;
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
24                 if (iu->status != SAM_CHECK_COND)
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... */
33                 tstat->stat = SAM_CHECK_COND;
34 }
35 EXPORT_SYMBOL_GPL(sas_ssp_task_response);
36