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authorRobin Getz <rgetz@blackfin.uclinux.org>2007-08-02 18:23:50 -0400
committerGreg Kroah-Hartman <gregkh@suse.de>2007-10-12 17:51:03 -0400
commit2ebefc50161a0a1cdebccd62be749e72abdbec37 (patch)
tree3cfbc124373482fa8cd8e4526e7dc6dd41b091dd /fs
parentd716551e188787effb08bf87a846404cfd239a8b (diff)
debugfs: helper for decimal challenged
Allows debugfs helper functions to have a hex output, rather than just decimal Signed-off-by: Robin Getz <rgetz@blackfin.uclinux.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'fs')
-rw-r--r--fs/debugfs/file.c36
1 files changed, 36 insertions, 0 deletions
diff --git a/fs/debugfs/file.c b/fs/debugfs/file.c
index 2e124e0075c5..a9b99c0dc2e7 100644
--- a/fs/debugfs/file.c
+++ b/fs/debugfs/file.c
@@ -221,6 +221,42 @@ struct dentry *debugfs_create_u64(const char *name, mode_t mode,
221} 221}
222EXPORT_SYMBOL_GPL(debugfs_create_u64); 222EXPORT_SYMBOL_GPL(debugfs_create_u64);
223 223
224DEFINE_SIMPLE_ATTRIBUTE(fops_x8, debugfs_u8_get, debugfs_u8_set, "0x%02llx\n");
225
226DEFINE_SIMPLE_ATTRIBUTE(fops_x16, debugfs_u16_get, debugfs_u16_set, "0x%04llx\n");
227
228DEFINE_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 */
239struct 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}
244EXPORT_SYMBOL_GPL(debugfs_create_x8);
245
246struct 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}
251EXPORT_SYMBOL_GPL(debugfs_create_x16);
252
253struct 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}
258EXPORT_SYMBOL_GPL(debugfs_create_x32);
259
224static ssize_t read_file_bool(struct file *file, char __user *user_buf, 260static 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{