debugfs: helper for decimal challenged

Allows debugfs helper functions to have a hex output, rather than just decimal

Robin Getz committed 19 years ago

Commit 2ebefc51 parent d7165512 files · +63 −0Browse files

Unified · Split

2 files

fs/debugfs/file.c +36 −0
include/linux/debugfs.h +27 −0

@@ -221,6 +221,42 @@ struct dentry debugfs_create_u64(const char name, mode_t mode, · 220 unmodified lines
221	}	221	}
222	EXPORT_SYMBOL_GPL(debugfs_create_u64);	222	EXPORT_SYMBOL_GPL(debugfs_create_u64);
223		223
		224	DEFINE_SIMPLE_ATTRIBUTE(fops_x8, debugfs_u8_get, debugfs_u8_set, "0x%02llx\n");
		225
		226	DEFINE_SIMPLE_ATTRIBUTE(fops_x16, debugfs_u16_get, debugfs_u16_set, "0x%04llx\n");
		227
		228	DEFINE_SIMPLE_ATTRIBUTE(fops_x32, debugfs_u32_get, debugfs_u32_set, "0x%08llx\n");
		229
		230	/**
		231	* debugfs_create_x8 - create a debugfs file that is used to read and write an unsigned 8-bit value
		232	* debugfs_create_x16 - create a debugfs file that is used to read and write an unsigned 16-bit value
		233	* debugfs_create_x32 - create a debugfs file that is used to read and write an unsigned 32-bit value
		234	*
		235	* These functions are exactly the same as the above functions, (but use a hex
		236	* output for the decimal challenged) for details look at the above unsigned
		237	* decimal functions.
		238	*/
		239	struct dentry debugfs_create_x8(const char name, mode_t mode,
		240	struct dentry parent, u8 value)
		241	{
		242	return debugfs_create_file(name, mode, parent, value, &fops_x8);
		243	}
		244	EXPORT_SYMBOL_GPL(debugfs_create_x8);
		245
		246	struct dentry debugfs_create_x16(const char name, mode_t mode,
		247	struct dentry parent, u16 value)
		248	{
		249	return debugfs_create_file(name, mode, parent, value, &fops_x16);
		250	}
		251	EXPORT_SYMBOL_GPL(debugfs_create_x16);
		252
		253	struct dentry debugfs_create_x32(const char name, mode_t mode,
		254	struct dentry parent, u32 value)
		255	{
		256	return debugfs_create_file(name, mode, parent, value, &fops_x32);
		257	}
		258	EXPORT_SYMBOL_GPL(debugfs_create_x32);
		259
224	static ssize_t read_file_bool(struct file file, char __user user_buf,	260	static ssize_t read_file_bool(struct file file, char __user user_buf,
225	size_t count, loff_t *ppos)	261	size_t count, loff_t *ppos)
226	{	262	{

include/linux/debugfs.h+27−0

@@ -49,6 +49,12 @@ struct dentry debugfs_create_u32(const char name, mode_t mode, · 48 unmodified lines
49	struct dentry parent, u32 value);	49	struct dentry parent, u32 value);
50	struct dentry debugfs_create_u64(const char name, mode_t mode,	50	struct dentry debugfs_create_u64(const char name, mode_t mode,
51	struct dentry parent, u64 value);	51	struct dentry parent, u64 value);
		52	struct dentry debugfs_create_x8(const char name, mode_t mode,
		53	struct dentry parent, u8 value);
		54	struct dentry debugfs_create_x16(const char name, mode_t mode,
		55	struct dentry parent, u16 value);
		56	struct dentry debugfs_create_x32(const char name, mode_t mode,
		57	struct dentry parent, u32 value);
52	struct dentry debugfs_create_bool(const char name, mode_t mode,	58	struct dentry debugfs_create_bool(const char name, mode_t mode,
53	struct dentry parent, u32 value);	59	struct dentry parent, u32 value);
54		60
@@ -122,6 +128,27 @@ static inline struct dentry debugfs_create_u64(const char name, mode_t mode, · 67 unmodified lines
122	return ERR_PTR(-ENODEV);	128	return ERR_PTR(-ENODEV);
123	}	129	}
124		130
		131	static inline struct dentry debugfs_create_x8(const char name, mode_t mode,
		132	struct dentry *parent,
		133	u8 *value)
		134	{
		135	return ERR_PTR(-ENODEV);
		136	}
		137
		138	static inline struct dentry debugfs_create_x16(const char name, mode_t mode,
		139	struct dentry *parent,
		140	u16 *value)
		141	{
		142	return ERR_PTR(-ENODEV);
		143	}
		144
		145	static inline struct dentry debugfs_create_x32(const char name, mode_t mode,
		146	struct dentry *parent,
		147	u32 *value)
		148	{
		149	return ERR_PTR(-ENODEV);
		150	}
		151
125	static inline struct dentry debugfs_create_bool(const char name, mode_t mode,	152	static inline struct dentry debugfs_create_bool(const char name, mode_t mode,
126	struct dentry *parent,	153	struct dentry *parent,
127	u32 *value)	154	u32 *value)