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Commit d956a116 authored by Shivasharan S's avatar Shivasharan S Committed by Martin K. Petersen
Browse files

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: default avatarShivasharan S <shivasharan.srikanteshwara@broadcom.com>
Signed-off-by: default avatarMartin K. Petersen <martin.petersen@oracle.com>
parent 1175b884

drivers/scsi/megaraid/megaraid_sas_base.c

+17 −1
Original line number Diff line number Diff line
@@ -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)