From e5f5f6f72b10c4c6209f0522a7c5b27079d64429 Mon Sep 17 00:00:00 2001
From: Harish Zunjarrao <harish.zunjarrao@qlogic.com>
Date: Thu, 10 Jul 2008 16:55:49 -0700
Subject: [SCSI] qla2xxx: Track total number of ISP aborts.
This parameter counts the total number of ISP aborts during
driver execution. The value is exported through a DEVICE_ATTR()
off the scsi_host.
Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
---
drivers/scsi/qla2xxx/qla_attr.c | 13 +++++++++++++
drivers/scsi/qla2xxx/qla_def.h | 5 +++++
drivers/scsi/qla2xxx/qla_init.c | 1 +
3 files changed, 19 insertions(+)
(limited to 'drivers/scsi')
diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c
index 8728e873996d..43e400894733 100644
--- a/drivers/scsi/qla2xxx/qla_attr.c
+++ b/drivers/scsi/qla2xxx/qla_attr.c
@@ -809,6 +809,16 @@ qla2x00_optrom_fw_version_show(struct device *dev,
ha->fw_revision[3]);
}
+static ssize_t
+qla2x00_total_isp_aborts_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ scsi_qla_host_t *ha = shost_priv(class_to_shost(dev));
+
+ return snprintf(buf, PAGE_SIZE, "%d\n",
+ ha->qla_stats.total_isp_aborts);
+}
+
static DEVICE_ATTR(driver_version, S_IRUGO, qla2x00_drvr_version_show, NULL);
static DEVICE_ATTR(fw_version, S_IRUGO, qla2x00_fw_version_show, NULL);
static DEVICE_ATTR(serial_num, S_IRUGO, qla2x00_serial_num_show, NULL);
@@ -831,6 +841,8 @@ static DEVICE_ATTR(optrom_fcode_version, S_IRUGO,
qla2x00_optrom_fcode_version_show, NULL);
static DEVICE_ATTR(optrom_fw_version, S_IRUGO, qla2x00_optrom_fw_version_show,
NULL);
+static DEVICE_ATTR(total_isp_aborts, S_IRUGO, qla2x00_total_isp_aborts_show,
+ NULL);
struct device_attribute *qla2x00_host_attrs[] = {
&dev_attr_driver_version,
@@ -849,6 +861,7 @@ struct device_attribute *qla2x00_host_attrs[] = {
&dev_attr_optrom_efi_version,
&dev_attr_optrom_fcode_version,
&dev_attr_optrom_fw_version,
+ &dev_attr_total_isp_aborts,
NULL,
};
diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h
index 7b0ddc83413f..fe1eada6cfc2 100644
--- a/drivers/scsi/qla2xxx/qla_def.h
+++ b/drivers/scsi/qla2xxx/qla_def.h
@@ -2154,6 +2154,10 @@ struct qla_chip_state_84xx {
uint32_t gold_fw_version;
};
+struct qla_statistics {
+ uint32_t total_isp_aborts;
+};
+
/*
* Linux Host Adapter structure
*/
@@ -2595,6 +2599,7 @@ typedef struct scsi_qla_host {
int cur_vport_count;
struct qla_chip_state_84xx *cs84xx;
+ struct qla_statistics qla_stats;
} scsi_qla_host_t;
diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c
index c7388fadf225..833a6429d9b9 100644
--- a/drivers/scsi/qla2xxx/qla_init.c
+++ b/drivers/scsi/qla2xxx/qla_init.c
@@ -3237,6 +3237,7 @@ qla2x00_abort_isp(scsi_qla_host_t *ha)
if (ha->flags.online) {
ha->flags.online = 0;
clear_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
+ ha->qla_stats.total_isp_aborts++;
qla_printk(KERN_INFO, ha,
"Performing ISP error recovery - ha= %p.\n", ha);
--
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