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| author | Kevin | 2014-11-15 09:58:27 +0800 |
|---|---|---|
| committer | Kevin | 2014-11-15 09:58:27 +0800 |
| commit | 392e8802486cb573b916e746010e141a75f507e6 (patch) | |
| tree | 50029aca02c81f087b90336e670b44e510782330 /ANDROID_3.4.5/drivers/scsi/libsas/sas_task.c | |
| download | FOSSEE-netbook-kernel-source-392e8802486cb573b916e746010e141a75f507e6.tar.gz FOSSEE-netbook-kernel-source-392e8802486cb573b916e746010e141a75f507e6.tar.bz2 FOSSEE-netbook-kernel-source-392e8802486cb573b916e746010e141a75f507e6.zip | |
init android origin source code
Diffstat (limited to 'ANDROID_3.4.5/drivers/scsi/libsas/sas_task.c')
| -rw-r--r-- | ANDROID_3.4.5/drivers/scsi/libsas/sas_task.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/ANDROID_3.4.5/drivers/scsi/libsas/sas_task.c b/ANDROID_3.4.5/drivers/scsi/libsas/sas_task.c new file mode 100644 index 00000000..a78e5bd3 --- /dev/null +++ b/ANDROID_3.4.5/drivers/scsi/libsas/sas_task.c @@ -0,0 +1,37 @@ +#include <linux/kernel.h> +#include <linux/export.h> +#include <scsi/sas.h> +#include <scsi/libsas.h> + +/* fill task_status_struct based on SSP response frame */ +void sas_ssp_task_response(struct device *dev, struct sas_task *task, + struct ssp_response_iu *iu) +{ + struct task_status_struct *tstat = &task->task_status; + + tstat->resp = SAS_TASK_COMPLETE; + + if (iu->datapres == 0) + tstat->stat = iu->status; + else if (iu->datapres == 1) + tstat->stat = iu->resp_data[3]; + else if (iu->datapres == 2) { + tstat->stat = SAM_STAT_CHECK_CONDITION; + tstat->buf_valid_size = + min_t(int, SAS_STATUS_BUF_SIZE, + be32_to_cpu(iu->sense_data_len)); + memcpy(tstat->buf, iu->sense_data, tstat->buf_valid_size); + + if (iu->status != SAM_STAT_CHECK_CONDITION) + dev_printk(KERN_WARNING, dev, + "dev %llx sent sense data, but " + "stat(%x) is not CHECK CONDITION\n", + SAS_ADDR(task->dev->sas_addr), + iu->status); + } + else + /* when datapres contains corrupt/unknown value... */ + tstat->stat = SAM_STAT_CHECK_CONDITION; +} +EXPORT_SYMBOL_GPL(sas_ssp_task_response); + |