aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorYang, Bo <Bo.Yang@lsi.com>2010-10-11 06:59:20 -0600
committerJames Bottomley <James.Bottomley@suse.de>2010-10-26 11:05:37 -0500
commit837f5fe89c843422452ef5e1a7e3d20e9caa3268 (patch)
tree3116c4d3fa4abbebad545d7d5a3f58efb9fe44e9
parent6dd1d8a7953cdc203c6eb694ce8eafe2dcd3e9da (diff)
downloadmrst-s0i3-test-837f5fe89c843422452ef5e1a7e3d20e9caa3268.tar.gz
mrst-s0i3-test-837f5fe89c843422452ef5e1a7e3d20e9caa3268.tar.xz
mrst-s0i3-test-837f5fe89c843422452ef5e1a7e3d20e9caa3268.zip
[SCSI] megaraid_sas: support devices update flag
Driver added the Device update flag to tell LSI application driver whether to do the device Update. LSI MegaRAID SAS application will check this flag to decide if it needs to update the Device or not. Signed-off-by Bo Yang <bo.yang@lsi.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
-rw-r--r--drivers/scsi/megaraid/megaraid_sas.c24
1 files changed, 24 insertions, 0 deletions
diff --git a/drivers/scsi/megaraid/megaraid_sas.c b/drivers/scsi/megaraid/megaraid_sas.c
index d3c9cdee292..09a455d4b6e 100644
--- a/drivers/scsi/megaraid/megaraid_sas.c
+++ b/drivers/scsi/megaraid/megaraid_sas.c
@@ -103,6 +103,7 @@ 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;
+static u32 support_device_change;
/* define lock for aen poll */
spinlock_t poll_aen_lock;
@@ -4658,6 +4659,15 @@ megasas_sysfs_show_support_poll_for_event(struct device_driver *dd, char *buf)
static DRIVER_ATTR(support_poll_for_event, S_IRUGO,
megasas_sysfs_show_support_poll_for_event, NULL);
+ static ssize_t
+megasas_sysfs_show_support_device_change(struct device_driver *dd, char *buf)
+{
+ return sprintf(buf, "%u\n", support_device_change);
+}
+
+static DRIVER_ATTR(support_device_change, S_IRUGO,
+ megasas_sysfs_show_support_device_change, NULL);
+
static ssize_t
megasas_sysfs_show_dbg_lvl(struct device_driver *dd, char *buf)
{
@@ -4978,6 +4988,7 @@ static int __init megasas_init(void)
MEGASAS_EXT_VERSION);
support_poll_for_event = 2;
+ support_device_change = 1;
memset(&megasas_mgmt_info, 0, sizeof(megasas_mgmt_info));
@@ -5026,8 +5037,17 @@ static int __init megasas_init(void)
if (rval)
goto err_dcf_poll_mode_io;
+ rval = driver_create_file(&megasas_pci_driver.driver,
+ &driver_attr_support_device_change);
+ if (rval)
+ goto err_dcf_support_device_change;
+
return rval;
+err_dcf_support_device_change:
+ driver_remove_file(&megasas_pci_driver.driver,
+ &driver_attr_poll_mode_io);
+
err_dcf_poll_mode_io:
driver_remove_file(&megasas_pci_driver.driver,
&driver_attr_dbg_lvl);
@@ -5058,6 +5078,10 @@ static void __exit megasas_exit(void)
driver_remove_file(&megasas_pci_driver.driver,
&driver_attr_dbg_lvl);
driver_remove_file(&megasas_pci_driver.driver,
+ &driver_attr_support_poll_for_event);
+ driver_remove_file(&megasas_pci_driver.driver,
+ &driver_attr_support_device_change);
+ driver_remove_file(&megasas_pci_driver.driver,
&driver_attr_release_date);
driver_remove_file(&megasas_pci_driver.driver, &driver_attr_version);