2  *  file.c - part of debugfs, a tiny little debug file system
24 static ssize_t default_read_file(struct file *file, char __user *buf,  in default_read_file()  argument
30 static ssize_t default_write_file(struct file *file, const char __user *buf,  in default_write_file()  argument
36 static int default_open(struct inode *inode, struct file *file)  in default_open()  argument
39 		file->private_data = inode->i_private;  in default_open()
77  * debugfs_create_u8 - create a debugfs file that is used to read and write an unsigned 8-bit value
78  * @name: a pointer to a string containing the name of the file to create.
79  * @mode: the permission that the file should have
80  * @parent: a pointer to the parent dentry for this file.  This should be a
82  *          file will be created in the root of the debugfs filesystem.
83  * @value: a pointer to the variable that the file should read to and write
86  * This function creates a file in debugfs with the given name that
91  * pointer must be passed to the debugfs_remove() function when the file is
129 …* debugfs_create_u16 - create a debugfs file that is used to read and write an unsigned 16-bit val…
130  * @name: a pointer to a string containing the name of the file to create.
131  * @mode: the permission that the file should have
132  * @parent: a pointer to the parent dentry for this file.  This should be a
134  *          file will be created in the root of the debugfs filesystem.
135  * @value: a pointer to the variable that the file should read to and write
138  * This function creates a file in debugfs with the given name that
143  * pointer must be passed to the debugfs_remove() function when the file is
181 …* debugfs_create_u32 - create a debugfs file that is used to read and write an unsigned 32-bit val…
182  * @name: a pointer to a string containing the name of the file to create.
183  * @mode: the permission that the file should have
184  * @parent: a pointer to the parent dentry for this file.  This should be a
186  *          file will be created in the root of the debugfs filesystem.
187  * @value: a pointer to the variable that the file should read to and write
190  * This function creates a file in debugfs with the given name that
195  * pointer must be passed to the debugfs_remove() function when the file is
234 …* debugfs_create_u64 - create a debugfs file that is used to read and write an unsigned 64-bit val…
235  * @name: a pointer to a string containing the name of the file to create.
236  * @mode: the permission that the file should have
237  * @parent: a pointer to the parent dentry for this file.  This should be a
239  *          file will be created in the root of the debugfs filesystem.
240  * @value: a pointer to the variable that the file should read to and write
243  * This function creates a file in debugfs with the given name that
248  * pointer must be passed to the debugfs_remove() function when the file is
286 …* debugfs_create_x{8,16,32,64} - create a debugfs file that is used to read and write an unsigned …
294  * debugfs_create_x8 - create a debugfs file that is used to read and write an unsigned 8-bit value
295  * @name: a pointer to a string containing the name of the file to create.
296  * @mode: the permission that the file should have
297  * @parent: a pointer to the parent dentry for this file.  This should be a
299  *          file will be created in the root of the debugfs filesystem.
300  * @value: a pointer to the variable that the file should read to and write
318 …* debugfs_create_x16 - create a debugfs file that is used to read and write an unsigned 16-bit val…
319  * @name: a pointer to a string containing the name of the file to create.
320  * @mode: the permission that the file should have
321  * @parent: a pointer to the parent dentry for this file.  This should be a
323  *          file will be created in the root of the debugfs filesystem.
324  * @value: a pointer to the variable that the file should read to and write
342 …* debugfs_create_x32 - create a debugfs file that is used to read and write an unsigned 32-bit val…
343  * @name: a pointer to a string containing the name of the file to create.
344  * @mode: the permission that the file should have
345  * @parent: a pointer to the parent dentry for this file.  This should be a
347  *          file will be created in the root of the debugfs filesystem.
348  * @value: a pointer to the variable that the file should read to and write
366 …* debugfs_create_x64 - create a debugfs file that is used to read and write an unsigned 64-bit val…
367  * @name: a pointer to a string containing the name of the file to create.
368  * @mode: the permission that the file should have
369  * @parent: a pointer to the parent dentry for this file.  This should be a
371  *          file will be created in the root of the debugfs filesystem.
372  * @value: a pointer to the variable that the file should read to and write
397  * debugfs_create_size_t - create a debugfs file that is used to read and write an size_t value
398  * @name: a pointer to a string containing the name of the file to create.
399  * @mode: the permission that the file should have
400  * @parent: a pointer to the parent dentry for this file.  This should be a
402  *          file will be created in the root of the debugfs filesystem.
403  * @value: a pointer to the variable that the file should read to and write
414 static ssize_t read_file_bool(struct file *file, char __user *user_buf,  in read_file_bool()  argument
418 	u32 *val = file->private_data;  in read_file_bool()
429 static ssize_t write_file_bool(struct file *file, const char __user *user_buf,  in write_file_bool()  argument
435 	u32 *val = file->private_data;  in write_file_bool()
455  * debugfs_create_bool - create a debugfs file that is used to read and write a boolean value
456  * @name: a pointer to a string containing the name of the file to create.
457  * @mode: the permission that the file should have
458  * @parent: a pointer to the parent dentry for this file.  This should be a
460  *          file will be created in the root of the debugfs filesystem.
461  * @value: a pointer to the variable that the file should read to and write
464  * This function creates a file in debugfs with the given name that
469  * pointer must be passed to the debugfs_remove() function when the file is
485 static ssize_t read_file_blob(struct file *file, char __user *user_buf,  in read_file_blob()  argument
488 	struct debugfs_blob_wrapper *blob = file->private_data;  in read_file_blob()
500  * debugfs_create_blob - create a debugfs file that is used to read a binary blob
501  * @name: a pointer to a string containing the name of the file to create.
502  * @mode: the permission that the file should have
503  * @parent: a pointer to the parent dentry for this file.  This should be a
505  *          file will be created in the root of the debugfs filesystem.
509  * This function creates a file in debugfs with the given name that exports
514  * pointer must be passed to the debugfs_remove() function when the file is
536  * sequential file or create a debugfs file that only prints a regset32.
577 static int debugfs_open_regset32(struct inode *inode, struct file *file)  in debugfs_open_regset32()  argument
579 	return single_open(file, debugfs_show_regset32, inode->i_private);  in debugfs_open_regset32()
590  * debugfs_create_regset32 - create a debugfs file that returns register values
591  * @name: a pointer to a string containing the name of the file to create.
592  * @mode: the permission that the file should have
593  * @parent: a pointer to the parent dentry for this file.  This should be a
595  *          file will be created in the root of the debugfs filesystem.
600  * This function creates a file in debugfs with the given name that reports
605  * pointer must be passed to the debugfs_remove() function when the file is