From: Deepak Ukey <deepak.ukey@microchip.com>
To: <linux-scsi@vger.kernel.org>
Cc: <Vasanthalakshmi.Tharmarajan@microchip.com>,
<Viswas.G@microchip.com>, <deepak.ukey@microchip.com>,
<jinpu.wang@profitbricks.com>, <martin.petersen@oracle.com>,
<dpf@google.com>, <jsperbeck@google.com>, <auradkar@google.com>,
<ianyar@google.com>
Subject: [PATCH V2 11/13] pm80xx : Controller fatal error through sysfs.
Date: Thu, 14 Nov 2019 15:39:08 +0530 [thread overview]
Message-ID: <20191114100910.6153-12-deepak.ukey@microchip.com> (raw)
In-Reply-To: <20191114100910.6153-1-deepak.ukey@microchip.com>
From: Deepak Ukey <Deepak.Ukey@microchip.com>
Added support to check controller fatal error through sysfs.
Signed-off-by: Deepak Ukey <deepak.ukey@microchip.com>
Signed-off-by: Viswas G <Viswas.G@microchip.com>
---
drivers/scsi/pm8001/pm8001_ctl.c | 20 ++++++++++++++++++++
1 file changed, 20 insertions(+)
diff --git a/drivers/scsi/pm8001/pm8001_ctl.c b/drivers/scsi/pm8001/pm8001_ctl.c
index 6b85016b4db3..7c6be2ec110d 100644
--- a/drivers/scsi/pm8001/pm8001_ctl.c
+++ b/drivers/scsi/pm8001/pm8001_ctl.c
@@ -69,6 +69,25 @@ static ssize_t pm8001_ctl_mpi_interface_rev_show(struct device *cdev,
static
DEVICE_ATTR(interface_rev, S_IRUGO, pm8001_ctl_mpi_interface_rev_show, NULL);
+/**
+ * controller_fatal_error_show - check controller is under fatal err
+ * @cdev: pointer to embedded class device
+ * @buf: the buffer returned
+ *
+ * A sysfs 'read only' shost attribute.
+ */
+static ssize_t controller_fatal_error_show(struct device *cdev,
+ struct device_attribute *attr, char *buf)
+{
+ struct Scsi_Host *shost = class_to_shost(cdev);
+ struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost);
+ struct pm8001_hba_info *pm8001_ha = sha->lldd_ha;
+
+ return snprintf(buf, PAGE_SIZE, "%d\n",
+ pm8001_ha->controller_fatal_error);
+}
+static DEVICE_ATTR_RO(controller_fatal_error);
+
/**
* pm8001_ctl_fw_version_show - firmware version
* @cdev: pointer to embedded class device
@@ -804,6 +823,7 @@ static DEVICE_ATTR(update_fw, S_IRUGO|S_IWUSR|S_IWGRP,
pm8001_show_update_fw, pm8001_store_update_fw);
struct device_attribute *pm8001_host_attrs[] = {
&dev_attr_interface_rev,
+ &dev_attr_controller_fatal_error,
&dev_attr_fw_version,
&dev_attr_update_fw,
&dev_attr_aap_log,
--
2.16.3
next prev parent reply other threads:[~2019-11-14 10:08 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-11-14 10:08 [PATCH V2 00/13] pm80xx : Updates for the driver version 0.1.39 Deepak Ukey
2019-11-14 10:08 ` [PATCH V2 01/13] pm80xx : Fix for SATA device discovery Deepak Ukey
2019-11-18 9:00 ` Jinpu Wang
2019-11-14 10:08 ` [PATCH V2 02/13] pm80xx : Make phy enable completion as NULL Deepak Ukey
2019-11-18 9:01 ` Jinpu Wang
2019-11-14 10:09 ` [PATCH V2 03/13] pm80xx : Initialize variable used as return status Deepak Ukey
2019-11-14 10:09 ` [PATCH V2 04/13] pm80xx : Convert 'long' mdelay to msleep Deepak Ukey
2019-11-14 10:09 ` [PATCH V2 05/13] pm80xx : Squashed logging cleanup changes Deepak Ukey
2019-11-14 10:09 ` [PATCH V2 06/13] pm80xx : Increase timeout for pm80xx mpi_uninit_check Deepak Ukey
2019-11-14 10:09 ` [PATCH V2 07/13] pm80xx : Fix dereferencing dangling pointer Deepak Ukey
2019-11-14 10:09 ` [PATCH V2 08/13] pm80xx : Fix command issue sizing Deepak Ukey
2019-11-14 10:09 ` [PATCH V2 09/13] pm80xx : Cleanup command when a reset times out Deepak Ukey
2019-11-18 9:41 ` Jinpu Wang
2019-11-14 10:09 ` [PATCH V2 10/13] pm80xx : Do not request 12G sas speeds Deepak Ukey
2019-11-14 10:41 ` John Garry
2019-11-14 10:09 ` Deepak Ukey [this message]
2019-11-18 9:42 ` [PATCH V2 11/13] pm80xx : Controller fatal error through sysfs Jinpu Wang
2019-11-14 10:09 ` [PATCH V2 12/13] pm80xx : Tie the interrupt name to the module instance Deepak Ukey
2019-11-14 10:09 ` [PATCH V2 13/13] pm80xx : Modified the logic to collect fatal dump Deepak Ukey
2019-11-18 9:43 ` Jinpu Wang
2019-11-19 4:29 ` [PATCH V2 00/13] pm80xx : Updates for the driver version 0.1.39 Martin K. Petersen
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