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Commit e5f5f6f7 authored by Harish Zunjarrao's avatar Harish Zunjarrao Committed by James Bottomley
Browse files

[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: default avatarAndrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: default avatarJames Bottomley <James.Bottomley@HansenPartnership.com>
parent 85821c90

drivers/scsi/qla2xxx/qla_attr.c

+13 −0
Original line number Diff line number Diff line
@@ -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,

};

drivers/scsi/qla2xxx/qla_def.h

+5 −0
Original line number Diff line number Diff line
@@ -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;

drivers/scsi/qla2xxx/qla_init.c

+1 −0
Original line number Diff line number Diff line
@@ -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);