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authorShivasharan S <shivasharan.srikanteshwara@broadcom.com>2019-06-28 02:50:40 -0700
committerMartin K. Petersen <martin.petersen@oracle.com>2019-07-11 20:59:09 -0400
commitd956a116c96cfa651b5ed5c783984a33d5222268 (patch)
treee3241f3ae66e99f892b974d50ec64b6a5fdd5abb /drivers/scsi/megaraid/megaraid_sas_base.c
parentscsi: megaraid_sas: Enable msix_load_balance for Invader and later controllers (diff)
downloadlinux-dev-d956a116c96cfa651b5ed5c783984a33d5222268.tar.xz
linux-dev-d956a116c96cfa651b5ed5c783984a33d5222268.zip
scsi: megaraid_sas: Add module parameter for FW Async event logging
Add module parameter to control logging levels of async event notifications from firmware that get logged to system log. Also, allow changing the value from sysfs after driver load. Signed-off-by: Shivasharan S <shivasharan.srikanteshwara@broadcom.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to '')
-rw-r--r--drivers/scsi/megaraid/megaraid_sas_base.c18
1 files changed, 17 insertions, 1 deletions
diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c b/drivers/scsi/megaraid/megaraid_sas_base.c
index 1bd91c7fb10c..8b0dc0795f64 100644
--- a/drivers/scsi/megaraid/megaraid_sas_base.c
+++ b/drivers/scsi/megaraid/megaraid_sas_base.c
@@ -117,6 +117,10 @@ MODULE_PARM_DESC(perf_mode, "Performance mode (only for Aero adapters), options:
"default mode is 'balanced'"
);
+int event_log_level = MFI_EVT_CLASS_CRITICAL;
+module_param(event_log_level, int, 0644);
+MODULE_PARM_DESC(event_log_level, "Asynchronous event logging level- range is: -2(CLASS_DEBUG) to 4(CLASS_DEAD), Default: 2(CLASS_CRITICAL)");
+
MODULE_LICENSE("GPL");
MODULE_VERSION(MEGASAS_VERSION);
MODULE_AUTHOR("megaraidlinux.pdl@broadcom.com");
@@ -416,7 +420,13 @@ megasas_decode_evt(struct megasas_instance *instance)
union megasas_evt_class_locale class_locale;
class_locale.word = le32_to_cpu(evt_detail->cl.word);
- if (class_locale.members.class >= MFI_EVT_CLASS_CRITICAL)
+ if ((event_log_level < MFI_EVT_CLASS_DEBUG) ||
+ (event_log_level > MFI_EVT_CLASS_DEAD)) {
+ printk(KERN_WARNING "megaraid_sas: provided event log level is out of range, setting it to default 2(CLASS_CRITICAL), permissible range is: -2 to 4\n");
+ event_log_level = MFI_EVT_CLASS_CRITICAL;
+ }
+
+ if (class_locale.members.class >= event_log_level)
dev_info(&instance->pdev->dev, "%d (%s/0x%04x/%s) - %s\n",
le32_to_cpu(evt_detail->seq_num),
format_timestamp(le32_to_cpu(evt_detail->time_stamp)),
@@ -8762,6 +8772,12 @@ static int __init megasas_init(void)
goto err_pcidrv;
}
+ if ((event_log_level < MFI_EVT_CLASS_DEBUG) ||
+ (event_log_level > MFI_EVT_CLASS_DEAD)) {
+ printk(KERN_WARNING "megarid_sas: provided event log level is out of range, setting it to default 2(CLASS_CRITICAL), permissible range is: -2 to 4\n");
+ event_log_level = MFI_EVT_CLASS_CRITICAL;
+ }
+
rval = driver_create_file(&megasas_pci_driver.driver,
&driver_attr_version);
if (rval)