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| author | Yang, Bo <Bo.Yang@lsi.com> | 2009-10-06 22:20:59 +0200 |
|---|---|---|
| committer | James Bottomley <James.Bottomley@suse.de> | 2009-10-29 18:03:18 +0100 |
| commit | 72c4fd36dc7f755a5245ef2495fe27d5084d776d (patch) | |
| tree | 91ba2c009280ab6e8a13601b94df111ba41576f7 /drivers/scsi/megaraid/megaraid_sas.c | |
| parent | [SCSI] megaraid_sas: Add poll mechanism to megaraid sas driver (diff) | |
| download | linux-72c4fd36dc7f755a5245ef2495fe27d5084d776d.tar.xz linux-72c4fd36dc7f755a5245ef2495fe27d5084d776d.zip | |
[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: James Bottomley <James.Bottomley@suse.de>
Diffstat (limited to 'drivers/scsi/megaraid/megaraid_sas.c')
| -rw-r--r-- | drivers/scsi/megaraid/megaraid_sas.c | 24 |
1 files changed, 23 insertions, 1 deletions
diff --git a/drivers/scsi/megaraid/megaraid_sas.c b/drivers/scsi/megaraid/megaraid_sas.c index 0d44fecf367d..012141378f3b 100644 --- a/drivers/scsi/megaraid/megaraid_sas.c +++ b/drivers/scsi/megaraid/megaraid_sas.c @@ -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 */ @@ -3432,6 +3432,15 @@ 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) { return sprintf(buf, "%u\n", megasas_dbg_lvl); @@ -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) @@ -3570,7 +3587,12 @@ err_dcf_poll_mode_io: &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: |