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

[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
...@@ -92,7 +92,7 @@ static DEFINE_MUTEX(megasas_async_queue_mutex); ...@@ -92,7 +92,7 @@ static DEFINE_MUTEX(megasas_async_queue_mutex);
static int megasas_poll_wait_aen; static int megasas_poll_wait_aen;
static DECLARE_WAIT_QUEUE_HEAD(megasas_poll_wait); static DECLARE_WAIT_QUEUE_HEAD(megasas_poll_wait);
static u32 support_poll_for_event;
static u32 megasas_dbg_lvl; static u32 megasas_dbg_lvl;
/* define lock for aen poll */ /* define lock for aen poll */
...@@ -3431,6 +3431,15 @@ megasas_sysfs_show_release_date(struct device_driver *dd, char *buf) ...@@ -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, static DRIVER_ATTR(release_date, S_IRUGO, megasas_sysfs_show_release_date,
NULL); 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 static ssize_t
megasas_sysfs_show_dbg_lvl(struct device_driver *dd, char *buf) megasas_sysfs_show_dbg_lvl(struct device_driver *dd, char *buf)
{ {
...@@ -3522,6 +3531,8 @@ static int __init megasas_init(void) ...@@ -3522,6 +3531,8 @@ static int __init megasas_init(void)
printk(KERN_INFO "megasas: %s %s\n", MEGASAS_VERSION, printk(KERN_INFO "megasas: %s %s\n", MEGASAS_VERSION,
MEGASAS_EXT_VERSION); MEGASAS_EXT_VERSION);
support_poll_for_event = 2;
memset(&megasas_mgmt_info, 0, sizeof(megasas_mgmt_info)); memset(&megasas_mgmt_info, 0, sizeof(megasas_mgmt_info));
/* /*
...@@ -3554,6 +3565,12 @@ static int __init megasas_init(void) ...@@ -3554,6 +3565,12 @@ static int __init megasas_init(void)
&driver_attr_release_date); &driver_attr_release_date);
if (rval) if (rval)
goto err_dcf_rel_date; 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, rval = driver_create_file(&megasas_pci_driver.driver,
&driver_attr_dbg_lvl); &driver_attr_dbg_lvl);
if (rval) if (rval)
...@@ -3569,8 +3586,13 @@ static int __init megasas_init(void) ...@@ -3569,8 +3586,13 @@ static int __init megasas_init(void)
driver_remove_file(&megasas_pci_driver.driver, driver_remove_file(&megasas_pci_driver.driver,
&driver_attr_dbg_lvl); &driver_attr_dbg_lvl);
err_dcf_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_remove_file(&megasas_pci_driver.driver,
&driver_attr_release_date); &driver_attr_release_date);
err_dcf_rel_date: err_dcf_rel_date:
driver_remove_file(&megasas_pci_driver.driver, &driver_attr_version); driver_remove_file(&megasas_pci_driver.driver, &driver_attr_version);
err_dcf_attr_ver: err_dcf_attr_ver:
......
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