LXR linux/drivers/scsi/libsas/sas

   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 */
   6void 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_STAT_CHECK_CONDITION;
  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_STAT_CHECK_CONDITION)
  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_STAT_CHECK_CONDITION;
  34}
  35EXPORT_SYMBOL_GPL(sas_ssp_task_response);
  36
  37