diff options
Diffstat (limited to 'include/drm/drm_debugfs.h')
| -rw-r--r-- | include/drm/drm_debugfs.h | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/include/drm/drm_debugfs.h b/include/drm/drm_debugfs.h index 2188dc83957f..7616f457ce70 100644 --- a/include/drm/drm_debugfs.h +++ b/include/drm/drm_debugfs.h @@ -79,12 +79,61 @@ struct drm_info_node { struct dentry *dent; }; +/** + * struct drm_debugfs_info - debugfs info list entry + * + * This structure represents a debugfs file to be created by the drm + * core. + */ +struct drm_debugfs_info { + /** @name: File name */ + const char *name; + + /** + * @show: + * + * Show callback. &seq_file->private will be set to the &struct + * drm_debugfs_entry corresponding to the instance of this info + * on a given &struct drm_device. + */ + int (*show)(struct seq_file*, void*); + + /** @driver_features: Required driver features for this entry. */ + u32 driver_features; + + /** @data: Driver-private data, should not be device-specific. */ + void *data; +}; + +/** + * struct drm_debugfs_entry - Per-device debugfs node structure + * + * This structure represents a debugfs file, as an instantiation of a &struct + * drm_debugfs_info on a &struct drm_device. + */ +struct drm_debugfs_entry { + /** @dev: &struct drm_device for this node. */ + struct drm_device *dev; + + /** @file: Template for this node. */ + struct drm_debugfs_info file; + + /** @list: Linked list of all device nodes. */ + struct list_head list; +}; + #if defined(CONFIG_DEBUG_FS) void drm_debugfs_create_files(const struct drm_info_list *files, int count, struct dentry *root, struct drm_minor *minor); int drm_debugfs_remove_files(const struct drm_info_list *files, int count, struct drm_minor *minor); + +void drm_debugfs_add_file(struct drm_device *dev, const char *name, + int (*show)(struct seq_file*, void*), void *data); + +void drm_debugfs_add_files(struct drm_device *dev, + const struct drm_debugfs_info *files, int count); #else static inline void drm_debugfs_create_files(const struct drm_info_list *files, int count, struct dentry *root, @@ -96,6 +145,16 @@ static inline int drm_debugfs_remove_files(const struct drm_info_list *files, { return 0; } + +static inline void drm_debugfs_add_file(struct drm_device *dev, const char *name, + int (*show)(struct seq_file*, void*), + void *data) +{} + +static inline void drm_debugfs_add_files(struct drm_device *dev, + const struct drm_debugfs_info *files, + int count) +{} #endif #endif /* _DRM_DEBUGFS_H_ */ |