linux-kernel - [smartpqi updates PATCH 4/9] smartpqi: add SCSI cmd info for resets

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Date:   Tue, 6 Jul 2021 13:16:13 -0500
From:   Don Brace <don.brace@...rochip.com>
To:     <hch@...radead.org>, <martin.peterson@...cle.com>,
        <jejb@...ux.vnet.ibm.com>, <linux-scsi@...r.kernel.org>
CC:     <Kevin.Barnett@...rochip.com>, <scott.teel@...rochip.com>,
        <Justin.Lindley@...rochip.com>, <scott.benesh@...rochip.com>,
        <gerry.morong@...rochip.com>, <mahesh.rajashekhara@...rochip.com>,
        <mike.mcgowen@...rochip.com>, <murthy.bhat@...rochip.com>,
        <balsundar.p@...rochip.com>, <joseph.szczypek@....com>,
        <jeff@...onical.com>, <POSWALD@...e.com>,
        <john.p.donnelly@...cle.com>, <mwilck@...e.com>,
        <pmenzel@...gen.mpg.de>, <linux-kernel@...r.kernel.org>
Subject: [smartpqi updates  PATCH 4/9] smartpqi: add SCSI cmd info for resets

From: Murthy Bhat <Murthy.Bhat@...rochip.com>

Report on SCSI command that has triggered the reset.
 - Also add check for 0 length SCSI commands.

Reviewed-by: Kevin Barnett <kevin.barnett@...rochip.com>
Reviewed-by: Mike McGowen <mike.mcgowen@...rochip.com>
Reviewed-by: Scott Benesh <scott.benesh@...rochip.com>
Reviewed-by: Scott Teel <scott.teel@...rochip.com>
Signed-off-by: Murthy Bhat <Murthy.Bhat@...rochip.com>
Signed-off-by: Don Brace <don.brace@...rochip.com>
---
 drivers/scsi/smartpqi/smartpqi_init.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/scsi/smartpqi/smartpqi_init.c b/drivers/scsi/smartpqi/smartpqi_init.c
index 5ce1c41a758d..c2ddb66b5c2d 100644
--- a/drivers/scsi/smartpqi/smartpqi_init.c
+++ b/drivers/scsi/smartpqi/smartpqi_init.c
@@ -6033,8 +6033,10 @@ static int pqi_eh_device_reset_handler(struct scsi_cmnd *scmd)
 	mutex_lock(&ctrl_info->lun_reset_mutex);
 
 	dev_err(&ctrl_info->pci_dev->dev,
-		"resetting scsi %d:%d:%d:%d\n",
-		shost->host_no, device->bus, device->target, device->lun);
+		"resetting scsi %d:%d:%d:%d due to cmd 0x%02x\n",
+		shost->host_no,
+		device->bus, device->target, device->lun,
+		scmd->cmd_len > 0 ? scmd->cmnd[0] : 0xff);
 
 	pqi_check_ctrl_health(ctrl_info);
 	if (pqi_ctrl_offline(ctrl_info))
-- 
2.28.0.rc1.9.ge7ae437ac1