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authorSrikant Patnaik2015-01-11 12:28:04 +0530
committerSrikant Patnaik2015-01-11 12:28:04 +0530
commit871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch)
tree8718f573808810c2a1e8cb8fb6ac469093ca2784 /include/linux/debugfs.h
parent9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff)
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Moved, renamed, and deleted files
The original directory structure was scattered and unorganized. Changes are basically to make it look like kernel structure.
Diffstat (limited to 'include/linux/debugfs.h')
-rw-r--r--include/linux/debugfs.h224
1 files changed, 224 insertions, 0 deletions
diff --git a/include/linux/debugfs.h b/include/linux/debugfs.h
new file mode 100644
index 00000000..ae36b72c
--- /dev/null
+++ b/include/linux/debugfs.h
@@ -0,0 +1,224 @@
+/*
+ * debugfs.h - a tiny little debug file system
+ *
+ * Copyright (C) 2004 Greg Kroah-Hartman <greg@kroah.com>
+ * Copyright (C) 2004 IBM Inc.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ * debugfs is for people to use instead of /proc or /sys.
+ * See Documentation/DocBook/filesystems for more details.
+ */
+
+#ifndef _DEBUGFS_H_
+#define _DEBUGFS_H_
+
+#include <linux/fs.h>
+#include <linux/seq_file.h>
+
+#include <linux/types.h>
+
+struct file_operations;
+
+struct debugfs_blob_wrapper {
+ void *data;
+ unsigned long size;
+};
+
+struct debugfs_reg32 {
+ char *name;
+ unsigned long offset;
+};
+
+struct debugfs_regset32 {
+ struct debugfs_reg32 *regs;
+ int nregs;
+ void __iomem *base;
+};
+
+extern struct dentry *arch_debugfs_dir;
+
+#if defined(CONFIG_DEBUG_FS)
+
+/* declared over in file.c */
+extern const struct file_operations debugfs_file_operations;
+extern const struct inode_operations debugfs_link_operations;
+
+struct dentry *debugfs_create_file(const char *name, umode_t mode,
+ struct dentry *parent, void *data,
+ const struct file_operations *fops);
+
+struct dentry *debugfs_create_dir(const char *name, struct dentry *parent);
+
+struct dentry *debugfs_create_symlink(const char *name, struct dentry *parent,
+ const char *dest);
+
+void debugfs_remove(struct dentry *dentry);
+void debugfs_remove_recursive(struct dentry *dentry);
+
+struct dentry *debugfs_rename(struct dentry *old_dir, struct dentry *old_dentry,
+ struct dentry *new_dir, const char *new_name);
+
+struct dentry *debugfs_create_u8(const char *name, umode_t mode,
+ struct dentry *parent, u8 *value);
+struct dentry *debugfs_create_u16(const char *name, umode_t mode,
+ struct dentry *parent, u16 *value);
+struct dentry *debugfs_create_u32(const char *name, umode_t mode,
+ struct dentry *parent, u32 *value);
+struct dentry *debugfs_create_u64(const char *name, umode_t mode,
+ struct dentry *parent, u64 *value);
+struct dentry *debugfs_create_x8(const char *name, umode_t mode,
+ struct dentry *parent, u8 *value);
+struct dentry *debugfs_create_x16(const char *name, umode_t mode,
+ struct dentry *parent, u16 *value);
+struct dentry *debugfs_create_x32(const char *name, umode_t mode,
+ struct dentry *parent, u32 *value);
+struct dentry *debugfs_create_x64(const char *name, umode_t mode,
+ struct dentry *parent, u64 *value);
+struct dentry *debugfs_create_size_t(const char *name, umode_t mode,
+ struct dentry *parent, size_t *value);
+struct dentry *debugfs_create_bool(const char *name, umode_t mode,
+ struct dentry *parent, u32 *value);
+
+struct dentry *debugfs_create_blob(const char *name, umode_t mode,
+ struct dentry *parent,
+ struct debugfs_blob_wrapper *blob);
+
+struct dentry *debugfs_create_regset32(const char *name, umode_t mode,
+ struct dentry *parent,
+ struct debugfs_regset32 *regset);
+
+int debugfs_print_regs32(struct seq_file *s, const struct debugfs_reg32 *regs,
+ int nregs, void __iomem *base, char *prefix);
+
+bool debugfs_initialized(void);
+
+#else
+
+#include <linux/err.h>
+
+/*
+ * We do not return NULL from these functions if CONFIG_DEBUG_FS is not enabled
+ * so users have a chance to detect if there was a real error or not. We don't
+ * want to duplicate the design decision mistakes of procfs and devfs again.
+ */
+
+static inline struct dentry *debugfs_create_file(const char *name, umode_t mode,
+ struct dentry *parent, void *data,
+ const struct file_operations *fops)
+{
+ return ERR_PTR(-ENODEV);
+}
+
+static inline struct dentry *debugfs_create_dir(const char *name,
+ struct dentry *parent)
+{
+ return ERR_PTR(-ENODEV);
+}
+
+static inline struct dentry *debugfs_create_symlink(const char *name,
+ struct dentry *parent,
+ const char *dest)
+{
+ return ERR_PTR(-ENODEV);
+}
+
+static inline void debugfs_remove(struct dentry *dentry)
+{ }
+
+static inline void debugfs_remove_recursive(struct dentry *dentry)
+{ }
+
+static inline struct dentry *debugfs_rename(struct dentry *old_dir, struct dentry *old_dentry,
+ struct dentry *new_dir, char *new_name)
+{
+ return ERR_PTR(-ENODEV);
+}
+
+static inline struct dentry *debugfs_create_u8(const char *name, umode_t mode,
+ struct dentry *parent,
+ u8 *value)
+{
+ return ERR_PTR(-ENODEV);
+}
+
+static inline struct dentry *debugfs_create_u16(const char *name, umode_t mode,
+ struct dentry *parent,
+ u16 *value)
+{
+ return ERR_PTR(-ENODEV);
+}
+
+static inline struct dentry *debugfs_create_u32(const char *name, umode_t mode,
+ struct dentry *parent,
+ u32 *value)
+{
+ return ERR_PTR(-ENODEV);
+}
+
+static inline struct dentry *debugfs_create_u64(const char *name, umode_t mode,
+ struct dentry *parent,
+ u64 *value)
+{
+ return ERR_PTR(-ENODEV);
+}
+
+static inline struct dentry *debugfs_create_x8(const char *name, umode_t mode,
+ struct dentry *parent,
+ u8 *value)
+{
+ return ERR_PTR(-ENODEV);
+}
+
+static inline struct dentry *debugfs_create_x16(const char *name, umode_t mode,
+ struct dentry *parent,
+ u16 *value)
+{
+ return ERR_PTR(-ENODEV);
+}
+
+static inline struct dentry *debugfs_create_x32(const char *name, umode_t mode,
+ struct dentry *parent,
+ u32 *value)
+{
+ return ERR_PTR(-ENODEV);
+}
+
+static inline struct dentry *debugfs_create_size_t(const char *name, umode_t mode,
+ struct dentry *parent,
+ size_t *value)
+{
+ return ERR_PTR(-ENODEV);
+}
+
+static inline struct dentry *debugfs_create_bool(const char *name, umode_t mode,
+ struct dentry *parent,
+ u32 *value)
+{
+ return ERR_PTR(-ENODEV);
+}
+
+static inline struct dentry *debugfs_create_blob(const char *name, umode_t mode,
+ struct dentry *parent,
+ struct debugfs_blob_wrapper *blob)
+{
+ return ERR_PTR(-ENODEV);
+}
+
+static inline struct dentry *debugfs_create_regset32(const char *name,
+ umode_t mode, struct dentry *parent,
+ struct debugfs_regset32 *regset)
+{
+ return ERR_PTR(-ENODEV);
+}
+
+static inline bool debugfs_initialized(void)
+{
+ return false;
+}
+
+#endif
+
+#endif