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Diffstat (limited to 'include/linux/debugfs.h')
-rw-r--r--include/linux/debugfs.h136
1 files changed, 63 insertions, 73 deletions
diff --git a/include/linux/debugfs.h b/include/linux/debugfs.h
index 58424eb3b329..bf9b6cafa4c2 100644
--- a/include/linux/debugfs.h
+++ b/include/linux/debugfs.h
@@ -54,6 +54,8 @@ static const struct file_operations __fops = { \
.llseek = no_llseek, \
}
+typedef struct vfsmount *(*debugfs_automount_t)(struct dentry *, void *);
+
#if defined(CONFIG_DEBUG_FS)
struct dentry *debugfs_lookup(const char *name, struct dentry *parent);
@@ -75,7 +77,6 @@ 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);
-typedef struct vfsmount *(*debugfs_automount_t)(struct dentry *, void *);
struct dentry *debugfs_create_automount(const char *name,
struct dentry *parent,
debugfs_automount_t f,
@@ -97,28 +98,28 @@ ssize_t debugfs_attr_write(struct file *file, const char __user *buf,
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);
+void debugfs_create_u8(const char *name, umode_t mode, struct dentry *parent,
+ u8 *value);
+void 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);
+void debugfs_create_u64(const char *name, umode_t mode, struct dentry *parent,
+ u64 *value);
struct dentry *debugfs_create_ulong(const char *name, umode_t mode,
struct dentry *parent, unsigned long *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_atomic_t(const char *name, umode_t mode,
- struct dentry *parent, atomic_t *value);
+void debugfs_create_x8(const char *name, umode_t mode, struct dentry *parent,
+ u8 *value);
+void debugfs_create_x16(const char *name, umode_t mode, struct dentry *parent,
+ u16 *value);
+void debugfs_create_x32(const char *name, umode_t mode, struct dentry *parent,
+ u32 *value);
+void debugfs_create_x64(const char *name, umode_t mode, struct dentry *parent,
+ u64 *value);
+void debugfs_create_size_t(const char *name, umode_t mode,
+ struct dentry *parent, size_t *value);
+void debugfs_create_atomic_t(const char *name, umode_t mode,
+ struct dentry *parent, atomic_t *value);
struct dentry *debugfs_create_bool(const char *name, umode_t mode,
struct dentry *parent, bool *value);
@@ -203,7 +204,7 @@ static inline struct dentry *debugfs_create_symlink(const char *name,
static inline struct dentry *debugfs_create_automount(const char *name,
struct dentry *parent,
- struct vfsmount *(*f)(void *),
+ debugfs_automount_t f,
void *data)
{
return ERR_PTR(-ENODEV);
@@ -244,19 +245,11 @@ static inline struct dentry *debugfs_rename(struct dentry *old_dir, struct dentr
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 void debugfs_create_u8(const char *name, umode_t mode,
+ struct dentry *parent, u8 *value) { }
-static inline struct dentry *debugfs_create_u16(const char *name, umode_t mode,
- struct dentry *parent,
- u16 *value)
-{
- return ERR_PTR(-ENODEV);
-}
+static inline void debugfs_create_u16(const char *name, umode_t mode,
+ struct dentry *parent, u16 *value) { }
static inline struct dentry *debugfs_create_u32(const char *name, umode_t mode,
struct dentry *parent,
@@ -265,12 +258,8 @@ static inline struct dentry *debugfs_create_u32(const char *name, umode_t mode,
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 void debugfs_create_u64(const char *name, umode_t mode,
+ struct dentry *parent, u64 *value) { }
static inline struct dentry *debugfs_create_ulong(const char *name,
umode_t mode,
@@ -280,46 +269,26 @@ static inline struct dentry *debugfs_create_ulong(const char *name,
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 void debugfs_create_x8(const char *name, umode_t mode,
+ struct dentry *parent, u8 *value) { }
-static inline struct dentry *debugfs_create_x16(const char *name, umode_t mode,
- struct dentry *parent,
- u16 *value)
-{
- return ERR_PTR(-ENODEV);
-}
+static inline void debugfs_create_x16(const char *name, umode_t mode,
+ struct dentry *parent, u16 *value) { }
-static inline struct dentry *debugfs_create_x32(const char *name, umode_t mode,
- struct dentry *parent,
- u32 *value)
-{
- return ERR_PTR(-ENODEV);
-}
+static inline void debugfs_create_x32(const char *name, umode_t mode,
+ struct dentry *parent, u32 *value) { }
-static inline struct dentry *debugfs_create_x64(const char *name, umode_t mode,
- struct dentry *parent,
- u64 *value)
-{
- return ERR_PTR(-ENODEV);
-}
+static inline void debugfs_create_x64(const char *name, umode_t mode,
+ struct dentry *parent, u64 *value) { }
-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 void debugfs_create_size_t(const char *name, umode_t mode,
+ struct dentry *parent, size_t *value)
+{ }
-static inline struct dentry *debugfs_create_atomic_t(const char *name, umode_t mode,
- struct dentry *parent, atomic_t *value)
-{
- return ERR_PTR(-ENODEV);
-}
+static inline void debugfs_create_atomic_t(const char *name, umode_t mode,
+ struct dentry *parent,
+ atomic_t *value)
+{ }
static inline struct dentry *debugfs_create_bool(const char *name, umode_t mode,
struct dentry *parent,
@@ -383,4 +352,25 @@ static inline ssize_t debugfs_write_file_bool(struct file *file,
#endif
+/**
+ * debugfs_create_xul - create a debugfs file that is used to read and write an
+ * unsigned long value, formatted in hexadecimal
+ * @name: a pointer to a string containing the name of the file to create.
+ * @mode: the permission that the file should have
+ * @parent: a pointer to the parent dentry for this file. This should be a
+ * directory dentry if set. If this parameter is %NULL, then the
+ * file will be created in the root of the debugfs filesystem.
+ * @value: a pointer to the variable that the file should read to and write
+ * from.
+ */
+static inline void debugfs_create_xul(const char *name, umode_t mode,
+ struct dentry *parent,
+ unsigned long *value)
+{
+ if (sizeof(*value) == sizeof(u32))
+ debugfs_create_x32(name, mode, parent, (u32 *)value);
+ else
+ debugfs_create_x64(name, mode, parent, (u64 *)value);
+}
+
#endif
generated by cgit v1.2.3 (git 2.39.0) at 2025-01-24 11:00:49 +0300