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authorDaniel Vetter <daniel.vetter@ffwll.ch>2017-03-22 21:53:36 +0100
committerDaniel Vetter <daniel.vetter@ffwll.ch>2017-03-24 09:36:06 +0100
commit4834442d70befd57a5a7420944f42899df2cf807 (patch)
treee101b4c162312ea92558f0f5b551c53c5ab4176e /include/drm/drm_debugfs.h
parent91faa0478b5921c638853db54c89a3859c742556 (diff)
downloadlinux-4834442d70befd57a5a7420944f42899df2cf807.tar.bz2
drm: Extract drm_debugfs.h
Doc polish will follow in the next patch. v2: Put the include guard #endif at the end (Ville). Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: http://patchwork.freedesktop.org/patch/msgid/20170322205336.24549-1-daniel.vetter@ffwll.ch
Diffstat (limited to 'include/drm/drm_debugfs.h')
-rw-r--r--include/drm/drm_debugfs.h77
1 files changed, 77 insertions, 0 deletions
diff --git a/include/drm/drm_debugfs.h b/include/drm/drm_debugfs.h
new file mode 100644
index 000000000000..56924196d08d
--- /dev/null
+++ b/include/drm/drm_debugfs.h
@@ -0,0 +1,77 @@
+/*
+ * Internal Header for the Direct Rendering Manager
+ *
+ * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
+ * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
+ * Copyright (c) 2009-2010, Code Aurora Forum.
+ * All rights reserved.
+ *
+ * Author: Rickard E. (Rik) Faith <faith@valinux.com>
+ * Author: Gareth Hughes <gareth@valinux.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef _DRM_DEBUGFS_H_
+#define _DRM_DEBUGFS_H_
+
+/**
+ * Info file list entry. This structure represents a debugfs or proc file to
+ * be created by the drm core
+ */
+struct drm_info_list {
+ const char *name; /** file name */
+ int (*show)(struct seq_file*, void*); /** show callback */
+ u32 driver_features; /**< Required driver features for this entry */
+ void *data;
+};
+
+/**
+ * debugfs node structure. This structure represents a debugfs file.
+ */
+struct drm_info_node {
+ struct list_head list;
+ struct drm_minor *minor;
+ const struct drm_info_list *info_ent;
+ struct dentry *dent;
+};
+
+#if defined(CONFIG_DEBUG_FS)
+int 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);
+#else
+static inline int drm_debugfs_create_files(const struct drm_info_list *files,
+ int count, struct dentry *root,
+ struct drm_minor *minor)
+{
+ return 0;
+}
+
+static inline int drm_debugfs_remove_files(const struct drm_info_list *files,
+ int count, struct drm_minor *minor)
+{
+ return 0;
+}
+#endif
+
+#endif /* _DRM_DEBUGFS_H_ */