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scsi: ufs: Add error history for abort event in UFS Device W-LUN

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Add error history for abort event in UFS Device W-LUN.

Use specified value as parameter of ufshcd_update_reg_hist() to identify
the aborted tag or LUNs.

Link: https://lore.kernel.org/r/20201205115901.26815-2-stanley.chu@mediatek.com
Reviewed-by: Asutosh Das <asutoshd@codeaurora.org>
Reviewed-by: Can Guo <cang@codeaurora.org>
Signed-off-by: Stanley Chu <stanley.chu@mediatek.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Stanley Chu 2020-12-05 19:58:58 +08:00 committed by Martin K. Petersen
parent 6dc1c7ab6f
commit eb3d2611df
1 changed files with 4 additions and 2 deletions
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6
drivers/scsi/ufs/ufshcd.c
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@ -6738,8 +6738,10 @@ static int ufshcd_abort(struct scsi_cmnd *cmd)
* To avoid these unnecessary/illegal step we skip to the last error
* handling stage: reset and restore.
*/
if (lrbp->lun == UFS_UPIU_UFS_DEVICE_WLUN)
if (lrbp->lun == UFS_UPIU_UFS_DEVICE_WLUN) {
ufshcd_update_reg_hist(&hba->ufs_stats.task_abort, lrbp->lun);
return ufshcd_eh_host_reset_handler(cmd);
}
ufshcd_hold(hba, false);
reg = ufshcd_readl(hba, REG_UTP_TRANSFER_REQ_DOOR_BELL);
@ -6763,7 +6765,7 @@ static int ufshcd_abort(struct scsi_cmnd *cmd)
*/
scsi_print_command(hba->lrb[tag].cmd);
if (!hba->req_abort_count) {
ufshcd_update_reg_hist(&hba->ufs_stats.task_abort, 0);
ufshcd_update_reg_hist(&hba->ufs_stats.task_abort, tag);
ufshcd_print_host_regs(hba);
ufshcd_print_host_state(hba);
ufshcd_print_pwr_info(hba);