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drm/xe/configfs: Reintroduce struct xe_config_device

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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@intel.com>
Reviewed-by: John Harrison <John.C.Harrison@Intel.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://lore.kernel.org/r/20250731193339.179829-8-michal.wajdeczko@intel.com
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
This commit is contained in:
Michal Wajdeczko 2025-07-31 21:33:35 +02:00 committed by Lucas De Marchi
parent ae3184d5f9
commit 3c643f6216
1 changed files with 17 additions and 10 deletions
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27
drivers/gpu/drm/xe/xe_configfs.c
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@ -88,8 +88,10 @@
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;
/* 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;