[PATCH v4 07/11] drm/xe/configfs: Reintroduce struct xe_config_device

[Michal Wajdeczko]

This time it will hold just pure configuration parameters, without
any configfs related stuff. This will help us define defaults data
without wasting space for unneeded data.

Signed-off-by: Michal Wajdeczko <michal.wajdeczko at intel.com>
Cc: Lucas De Marchi <lucas.demarchi at intel.com>
---
 drivers/gpu/drm/xe/xe_configfs.c | 27 +++++++++++++++++----------
 1 file changed, 17 insertions(+), 10 deletions(-)

diff --git a/drivers/gpu/drm/xe/xe_configfs.c b/drivers/gpu/drm/xe/xe_configfs.c
index f5a780b8bb80..a5f13dd779c7 100644
--- a/drivers/gpu/drm/xe/xe_configfs.c
+++ b/drivers/gpu/drm/xe/xe_configfs.c
@@ -92,8 +92,10 @@
 struct xe_config_group_device {
 	struct config_group group;
 
-	bool survivability_mode;
-	u64 engines_allowed;
+	struct xe_config_device {
+		bool survivability_mode;
+		u64 engines_allowed;
+	} config;
 };
 
 struct engine_info {
@@ -119,16 +121,21 @@ static struct xe_config_group_device *to_xe_config_group_device(struct config_it
 	return container_of(to_config_group(item), struct xe_config_group_device, group);
 }
 
+static struct xe_config_device *to_xe_config_device(struct config_item *item)
+{
+	return &to_xe_config_group_device(item)->config;
+}
+
 static ssize_t survivability_mode_show(struct config_item *item, char *page)
 {
-	struct xe_config_group_device *dev = to_xe_config_group_device(item);
+	struct xe_config_device *dev = to_xe_config_device(item);
 
 	return sprintf(page, "%d\n", dev->survivability_mode);
 }
 
 static ssize_t survivability_mode_store(struct config_item *item, const char *page, size_t len)
 {
-	struct xe_config_group_device *dev = to_xe_config_group_device(item);
+	struct xe_config_device *dev = to_xe_config_device(item);
 	bool survivability_mode;
 	int ret;
 
@@ -144,7 +151,7 @@ static ssize_t survivability_mode_store(struct config_item *item, const char *pa
 
 static ssize_t engines_allowed_show(struct config_item *item, char *page)
 {
-	struct xe_config_group_device *dev = to_xe_config_group_device(item);
+	struct xe_config_device *dev = to_xe_config_device(item);
 	char *p = page;
 
 	for (size_t i = 0; i < ARRAY_SIZE(engine_info); i++) {
@@ -199,7 +206,7 @@ static bool lookup_engine_mask(const char *pattern, u64 *mask)
 static ssize_t engines_allowed_store(struct config_item *item, const char *page,
 				     size_t len)
 {
-	struct xe_config_group_device *dev = to_xe_config_group_device(item);
+	struct xe_config_device *dev = to_xe_config_device(item);
 	size_t patternlen, p;
 	u64 mask, val = 0;
 
@@ -280,7 +287,7 @@ static struct config_group *xe_config_make_device_group(struct config_group *gro
 		return ERR_PTR(-ENOMEM);
 
 	/* Default values */
-	dev->engines_allowed = U64_MAX;
+	dev->config.engines_allowed = U64_MAX;
 
 	config_group_init_type_name(&dev->group, name, &xe_config_device_type);
 
@@ -334,7 +341,7 @@ bool xe_configfs_get_survivability_mode(struct pci_dev *pdev)
 	if (!dev)
 		return false;
 
-	mode = dev->survivability_mode;
+	mode = dev->config.survivability_mode;
 	config_group_put(&dev->group);
 
 	return mode;
@@ -355,7 +362,7 @@ void xe_configfs_clear_survivability_mode(struct pci_dev *pdev)
 		return;
 
 	scoped_guard(mutex, &xe_configfs.su_mutex)
-		dev->survivability_mode = 0;
+		dev->config.survivability_mode = 0;
 
 	config_group_put(&dev->group);
 }
@@ -377,7 +384,7 @@ u64 xe_configfs_get_engines_allowed(struct pci_dev *pdev)
 	if (!dev)
 		return U64_MAX;
 
-	engines_allowed = dev->engines_allowed;
+	engines_allowed = dev->config.engines_allowed;
 	config_group_put(&dev->group);
 
 	return engines_allowed;
-- 
2.47.1