Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) /* SPDX-License-Identifier: GPL-2.0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3)  *  internal.h - declarations internal to debugfs
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5)  *  Copyright (C) 2016 Nicolai Stange <nicstange@gmail.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) #ifndef _DEBUGFS_INTERNAL_H_
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) #define _DEBUGFS_INTERNAL_H_
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) struct file_operations;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) /* declared over in file.c */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) extern const struct file_operations debugfs_noop_file_operations;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) extern const struct file_operations debugfs_open_proxy_file_operations;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) extern const struct file_operations debugfs_full_proxy_file_operations;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) struct debugfs_fsdata {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) 	const struct file_operations *real_fops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) 	refcount_t active_users;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) 	struct completion active_users_drained;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25)  * A dentry's ->d_fsdata either points to the real fops or to a
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26)  * dynamically allocated debugfs_fsdata instance.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27)  * In order to distinguish between these two cases, a real fops
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28)  * pointer gets its lowest bit set.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) #define DEBUGFS_FSDATA_IS_REAL_FOPS_BIT BIT(0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) /* Access BITS */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) #define DEBUGFS_ALLOW_API	BIT(0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) #define DEBUGFS_ALLOW_MOUNT	BIT(1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) #ifdef CONFIG_DEBUG_FS_ALLOW_ALL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) #define DEFAULT_DEBUGFS_ALLOW_BITS (DEBUGFS_ALLOW_MOUNT | DEBUGFS_ALLOW_API)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) #ifdef CONFIG_DEBUG_FS_DISALLOW_MOUNT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) #define DEFAULT_DEBUGFS_ALLOW_BITS (DEBUGFS_ALLOW_API)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) #ifdef CONFIG_DEBUG_FS_ALLOW_NONE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) #define DEFAULT_DEBUGFS_ALLOW_BITS (0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) #endif /* _DEBUGFS_INTERNAL_H_ */