Commit 3c643f62 authored by Michal Wajdeczko's avatar Michal Wajdeczko Committed by Lucas De Marchi
Browse files

drm/xe/configfs: Reintroduce struct xe_config_device 



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: default avatarMichal Wajdeczko <michal.wajdeczko@intel.com>
Reviewed-by: default avatarJohn Harrison <John.C.Harrison@Intel.com>
Reviewed-by: default avatarLucas De Marchi <lucas.demarchi@intel.com>
Link: https://lore.kernel.org/r/20250731193339.179829-8-michal.wajdeczko@intel.com


Signed-off-by: default avatarLucas De Marchi <lucas.demarchi@intel.com>
parent ae3184d5

drivers/gpu/drm/xe/xe_configfs.c

+17 −10
Original line number Diff line number Diff line
@@ -88,8 +88,10 @@ 
struct xe_config_group_device {

	struct config_group group;



	struct xe_config_device {

		bool survivability_mode;

		u64 engines_allowed;

	} config;



	/* protects attributes */

	struct mutex lock;
@@ -118,9 +120,14 @@ 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);

}
@@ -136,7 +143,7 @@ static ssize_t survivability_mode_store(struct config_item *item, const char *pa 
		return ret;



	mutex_lock(&dev->lock);

	dev->survivability_mode = survivability_mode;

	dev->config.survivability_mode = survivability_mode;

	mutex_unlock(&dev->lock);



	return len;
@@ -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++) {
@@ -220,7 +227,7 @@ static ssize_t engines_allowed_store(struct config_item *item, const char *page, 
	}



	mutex_lock(&dev->lock);

	dev->engines_allowed = val;

	dev->config.engines_allowed = val;

	mutex_unlock(&dev->lock);



	return len;
@@ -282,7 +289,7 @@ 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);
@@ -340,7 +347,7 @@ 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;
@@ -361,7 +368,7 @@ void xe_configfs_clear_survivability_mode(struct pci_dev *pdev) 
		return;



	mutex_lock(&dev->lock);

	dev->survivability_mode = 0;

	dev->config.survivability_mode = 0;

	mutex_unlock(&dev->lock);



	config_group_put(&dev->group);
@@ -384,7 +391,7 @@ 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;