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	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	260	static ssize_t read_file_bool(struct file file, char __user user_buf,
225	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	49	struct dentry parent, u32 value);
50	50	struct dentry debugfs_create_u64(const char name, mode_t mode,
51	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	58	struct dentry debugfs_create_bool(const char name, mode_t mode,
53	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	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	152	static inline struct dentry debugfs_create_bool(const char name, mode_t mode,
126	153	struct dentry *parent,
127	154	u32 *value)