1 /* 2 * Internal Header for the Direct Rendering Manager 3 * 4 * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. 5 * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. 6 * Copyright (c) 2009-2010, Code Aurora Forum. 7 * All rights reserved. 8 * 9 * Author: Rickard E. (Rik) Faith <faith@valinux.com> 10 * Author: Gareth Hughes <gareth@valinux.com> 11 * 12 * Permission is hereby granted, free of charge, to any person obtaining a 13 * copy of this software and associated documentation files (the "Software"), 14 * to deal in the Software without restriction, including without limitation 15 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 16 * and/or sell copies of the Software, and to permit persons to whom the 17 * Software is furnished to do so, subject to the following conditions: 18 * 19 * The above copyright notice and this permission notice (including the next 20 * paragraph) shall be included in all copies or substantial portions of the 21 * Software. 22 * 23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 24 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 25 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 26 * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR 27 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 28 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 29 * OTHER DEALINGS IN THE SOFTWARE. 30 */ 31 32 #ifndef _DRM_DEBUGFS_H_ 33 #define _DRM_DEBUGFS_H_ 34 35 /** 36 * Info file list entry. This structure represents a debugfs or proc file to 37 * be created by the drm core 38 */ 39 struct drm_info_list { 40 const char *name; /** file name */ 41 int (*show)(struct seq_file*, void*); /** show callback */ 42 u32 driver_features; /**< Required driver features for this entry */ 43 void *data; 44 }; 45 46 /** 47 * debugfs node structure. This structure represents a debugfs file. 48 */ 49 struct drm_info_node { 50 struct list_head list; 51 struct drm_minor *minor; 52 const struct drm_info_list *info_ent; 53 struct dentry *dent; 54 }; 55 56 #if defined(CONFIG_DEBUG_FS) 57 int drm_debugfs_create_files(const struct drm_info_list *files, 58 int count, struct dentry *root, 59 struct drm_minor *minor); 60 int drm_debugfs_remove_files(const struct drm_info_list *files, 61 int count, struct drm_minor *minor); 62 #else 63 static inline int drm_debugfs_create_files(const struct drm_info_list *files, 64 int count, struct dentry *root, 65 struct drm_minor *minor) 66 { 67 return 0; 68 } 69 70 static inline int drm_debugfs_remove_files(const struct drm_info_list *files, 71 int count, struct drm_minor *minor) 72 { 73 return 0; 74 } 75 #endif 76 77 #endif /* _DRM_DEBUGFS_H_ */ 78