LXR linux/drivers/scsi/libsas/sas

   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 */
   7void 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}
  36EXPORT_SYMBOL_GPL(sas_ssp_task_response);
  37
  38