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authorHarish Zunjarrao <harish.zunjarrao@qlogic.com>2008-07-10 19:55:49 -0400
committerJames Bottomley <James.Bottomley@HansenPartnership.com>2008-07-26 15:14:37 -0400
commite5f5f6f72b10c4c6209f0522a7c5b27079d64429 (patch)
tree41b2addd52f655be73ffe70c0b71cf1c0ab80a49
parent85821c906cf3563a00a3d98fa380a2581a7a5ff1 (diff)
[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>
-rw-r--r--drivers/scsi/qla2xxx/qla_attr.c13
-rw-r--r--drivers/scsi/qla2xxx/qla_def.h5
-rw-r--r--drivers/scsi/qla2xxx/qla_init.c1
3 files changed, 19 insertions, 0 deletions
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,
809 ha->fw_revision[3]); 809 ha->fw_revision[3]);
810} 810}
811 811
812static ssize_t
813qla2x00_total_isp_aborts_show(struct device *dev,
814 struct device_attribute *attr, char *buf)
815{
816 scsi_qla_host_t *ha = shost_priv(class_to_shost(dev));
817
818 return snprintf(buf, PAGE_SIZE, "%d\n",
819 ha->qla_stats.total_isp_aborts);
820}
821
812static DEVICE_ATTR(driver_version, S_IRUGO, qla2x00_drvr_version_show, NULL); 822static DEVICE_ATTR(driver_version, S_IRUGO, qla2x00_drvr_version_show, NULL);
813static DEVICE_ATTR(fw_version, S_IRUGO, qla2x00_fw_version_show, NULL); 823static DEVICE_ATTR(fw_version, S_IRUGO, qla2x00_fw_version_show, NULL);
814static DEVICE_ATTR(serial_num, S_IRUGO, qla2x00_serial_num_show, NULL); 824static DEVICE_ATTR(serial_num, S_IRUGO, qla2x00_serial_num_show, NULL);
@@ -831,6 +841,8 @@ static DEVICE_ATTR(optrom_fcode_version, S_IRUGO,
831 qla2x00_optrom_fcode_version_show, NULL); 841 qla2x00_optrom_fcode_version_show, NULL);
832static DEVICE_ATTR(optrom_fw_version, S_IRUGO, qla2x00_optrom_fw_version_show, 842static DEVICE_ATTR(optrom_fw_version, S_IRUGO, qla2x00_optrom_fw_version_show,
833 NULL); 843 NULL);
844static DEVICE_ATTR(total_isp_aborts, S_IRUGO, qla2x00_total_isp_aborts_show,
845 NULL);
834 846
835struct device_attribute *qla2x00_host_attrs[] = { 847struct device_attribute *qla2x00_host_attrs[] = {
836 &dev_attr_driver_version, 848 &dev_attr_driver_version,
@@ -849,6 +861,7 @@ struct device_attribute *qla2x00_host_attrs[] = {
849 &dev_attr_optrom_efi_version, 861 &dev_attr_optrom_efi_version,
850 &dev_attr_optrom_fcode_version, 862 &dev_attr_optrom_fcode_version,
851 &dev_attr_optrom_fw_version, 863 &dev_attr_optrom_fw_version,
864 &dev_attr_total_isp_aborts,
852 NULL, 865 NULL,
853}; 866};
854 867
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 {
2154 uint32_t gold_fw_version; 2154 uint32_t gold_fw_version;
2155}; 2155};
2156 2156
2157struct qla_statistics {
2158 uint32_t total_isp_aborts;
2159};
2160
2157/* 2161/*
2158 * Linux Host Adapter structure 2162 * Linux Host Adapter structure
2159 */ 2163 */
@@ -2595,6 +2599,7 @@ typedef struct scsi_qla_host {
2595 int cur_vport_count; 2599 int cur_vport_count;
2596 2600
2597 struct qla_chip_state_84xx *cs84xx; 2601 struct qla_chip_state_84xx *cs84xx;
2602 struct qla_statistics qla_stats;
2598} scsi_qla_host_t; 2603} scsi_qla_host_t;
2599 2604
2600 2605
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)
3237 if (ha->flags.online) { 3237 if (ha->flags.online) {
3238 ha->flags.online = 0; 3238 ha->flags.online = 0;
3239 clear_bit(ISP_ABORT_NEEDED, &ha->dpc_flags); 3239 clear_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
3240 ha->qla_stats.total_isp_aborts++;
3240 3241
3241 qla_printk(KERN_INFO, ha, 3242 qla_printk(KERN_INFO, ha,
3242 "Performing ISP error recovery - ha= %p.\n", ha); 3243 "Performing ISP error recovery - ha= %p.\n", ha);