| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame^] | 1 | #include <linux/kernel.h> |
| 2 | #include <linux/export.h> |
| 3 | #include <scsi/sas.h> |
| 4 | #include <scsi/libsas.h> |
| 5 | |
| 6 | /* fill task_status_struct based on SSP response frame */ |
| 7 | void sas_ssp_task_response(struct device *dev, struct sas_task *task, |
| 8 | struct ssp_response_iu *iu) |
| 9 | { |
| 10 | struct task_status_struct *tstat = &task->task_status; |
| 11 | |
| 12 | tstat->resp = SAS_TASK_COMPLETE; |
| 13 | |
| 14 | if (iu->datapres == 0) |
| 15 | tstat->stat = iu->status; |
| 16 | else if (iu->datapres == 1) |
| 17 | tstat->stat = iu->resp_data[3]; |
| 18 | else if (iu->datapres == 2) { |
| 19 | tstat->stat = SAM_STAT_CHECK_CONDITION; |
| 20 | tstat->buf_valid_size = |
| 21 | min_t(int, SAS_STATUS_BUF_SIZE, |
| 22 | be32_to_cpu(iu->sense_data_len)); |
| 23 | memcpy(tstat->buf, iu->sense_data, tstat->buf_valid_size); |
| 24 | |
| 25 | if (iu->status != SAM_STAT_CHECK_CONDITION) |
| 26 | dev_printk(KERN_WARNING, dev, |
| 27 | "dev %llx sent sense data, but " |
| 28 | "stat(%x) is not CHECK CONDITION\n", |
| 29 | SAS_ADDR(task->dev->sas_addr), |
| 30 | iu->status); |
| 31 | } |
| 32 | else |
| 33 | /* when datapres contains corrupt/unknown value... */ |
| 34 | tstat->stat = SAM_STAT_CHECK_CONDITION; |
| 35 | } |
| 36 | EXPORT_SYMBOL_GPL(sas_ssp_task_response); |
| 37 | |