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Commit 72c4fd36 authored by Yang, Bo's avatar Yang, Bo Committed by James Bottomley
Browse files

[SCSI] megaraid_sas: add sysfs for AEN polling 



update the sysfs parameter to tell application driver support AEN poll

Signed-off-by Bo Yang<bo.yang@lsi.com>
Signed-off-by: default avatarJames Bottomley <James.Bottomley@suse.de>
parent c3518837

drivers/scsi/megaraid/megaraid_sas.c

+23 −1
Original line number Diff line number Diff line
@@ -92,7 +92,7 @@ static DEFINE_MUTEX(megasas_async_queue_mutex); 


static int megasas_poll_wait_aen;

static DECLARE_WAIT_QUEUE_HEAD(megasas_poll_wait);



static u32 support_poll_for_event;

static u32 megasas_dbg_lvl;



/* define lock for aen poll */
@@ -3431,6 +3431,15 @@ megasas_sysfs_show_release_date(struct device_driver *dd, char *buf) 
static DRIVER_ATTR(release_date, S_IRUGO, megasas_sysfs_show_release_date,

		   NULL);



static ssize_t

megasas_sysfs_show_support_poll_for_event(struct device_driver *dd, char *buf)

{

	return sprintf(buf, "%u\n", support_poll_for_event);

}



static DRIVER_ATTR(support_poll_for_event, S_IRUGO,

			megasas_sysfs_show_support_poll_for_event, NULL);



static ssize_t

megasas_sysfs_show_dbg_lvl(struct device_driver *dd, char *buf)

{
@@ -3522,6 +3531,8 @@ static int __init megasas_init(void) 
	printk(KERN_INFO "megasas: %s %s\n", MEGASAS_VERSION,

	       MEGASAS_EXT_VERSION);



	support_poll_for_event = 2;



	memset(&megasas_mgmt_info, 0, sizeof(megasas_mgmt_info));



	/*
@@ -3554,6 +3565,12 @@ static int __init megasas_init(void) 
				  &driver_attr_release_date);

	if (rval)

		goto err_dcf_rel_date;



	rval = driver_create_file(&megasas_pci_driver.driver,

				&driver_attr_support_poll_for_event);

	if (rval)

		goto err_dcf_support_poll_for_event;



	rval = driver_create_file(&megasas_pci_driver.driver,

				  &driver_attr_dbg_lvl);

	if (rval)
@@ -3569,8 +3586,13 @@ static int __init megasas_init(void) 
	driver_remove_file(&megasas_pci_driver.driver,

			   &driver_attr_dbg_lvl);

err_dcf_dbg_lvl:

	driver_remove_file(&megasas_pci_driver.driver,

			&driver_attr_support_poll_for_event);



err_dcf_support_poll_for_event:

	driver_remove_file(&megasas_pci_driver.driver,

			   &driver_attr_release_date);



err_dcf_rel_date:

	driver_remove_file(&megasas_pci_driver.driver, &driver_attr_version);

err_dcf_attr_ver: