Kyle Swenson | 8d8f654 | 2021-03-15 11:02:55 -0600 | [diff] [blame^] | 1 | /* |
| 2 | * The proc filesystem constants/structures |
| 3 | */ |
| 4 | #ifndef _LINUX_PROC_FS_H |
| 5 | #define _LINUX_PROC_FS_H |
| 6 | |
| 7 | #include <linux/types.h> |
| 8 | #include <linux/fs.h> |
| 9 | |
| 10 | struct proc_dir_entry; |
| 11 | |
| 12 | #ifdef CONFIG_PROC_FS |
| 13 | |
| 14 | extern void proc_root_init(void); |
| 15 | extern void proc_flush_task(struct task_struct *); |
| 16 | |
| 17 | extern struct proc_dir_entry *proc_symlink(const char *, |
| 18 | struct proc_dir_entry *, const char *); |
| 19 | extern struct proc_dir_entry *proc_mkdir(const char *, struct proc_dir_entry *); |
| 20 | extern struct proc_dir_entry *proc_mkdir_data(const char *, umode_t, |
| 21 | struct proc_dir_entry *, void *); |
| 22 | extern struct proc_dir_entry *proc_mkdir_mode(const char *, umode_t, |
| 23 | struct proc_dir_entry *); |
| 24 | |
| 25 | extern struct proc_dir_entry *proc_create_data(const char *, umode_t, |
| 26 | struct proc_dir_entry *, |
| 27 | const struct file_operations *, |
| 28 | void *); |
| 29 | |
| 30 | static inline struct proc_dir_entry *proc_create( |
| 31 | const char *name, umode_t mode, struct proc_dir_entry *parent, |
| 32 | const struct file_operations *proc_fops) |
| 33 | { |
| 34 | return proc_create_data(name, mode, parent, proc_fops, NULL); |
| 35 | } |
| 36 | |
| 37 | extern void proc_set_size(struct proc_dir_entry *, loff_t); |
| 38 | extern void proc_set_user(struct proc_dir_entry *, kuid_t, kgid_t); |
| 39 | extern void *PDE_DATA(const struct inode *); |
| 40 | extern void *proc_get_parent_data(const struct inode *); |
| 41 | extern void proc_remove(struct proc_dir_entry *); |
| 42 | extern void remove_proc_entry(const char *, struct proc_dir_entry *); |
| 43 | extern int remove_proc_subtree(const char *, struct proc_dir_entry *); |
| 44 | |
| 45 | #else /* CONFIG_PROC_FS */ |
| 46 | |
| 47 | static inline void proc_root_init(void) |
| 48 | { |
| 49 | } |
| 50 | |
| 51 | static inline void proc_flush_task(struct task_struct *task) |
| 52 | { |
| 53 | } |
| 54 | |
| 55 | static inline struct proc_dir_entry *proc_symlink(const char *name, |
| 56 | struct proc_dir_entry *parent,const char *dest) { return NULL;} |
| 57 | static inline struct proc_dir_entry *proc_mkdir(const char *name, |
| 58 | struct proc_dir_entry *parent) {return NULL;} |
| 59 | static inline struct proc_dir_entry *proc_mkdir_data(const char *name, |
| 60 | umode_t mode, struct proc_dir_entry *parent, void *data) { return NULL; } |
| 61 | static inline struct proc_dir_entry *proc_mkdir_mode(const char *name, |
| 62 | umode_t mode, struct proc_dir_entry *parent) { return NULL; } |
| 63 | #define proc_create(name, mode, parent, proc_fops) ({NULL;}) |
| 64 | #define proc_create_data(name, mode, parent, proc_fops, data) ({NULL;}) |
| 65 | |
| 66 | static inline void proc_set_size(struct proc_dir_entry *de, loff_t size) {} |
| 67 | static inline void proc_set_user(struct proc_dir_entry *de, kuid_t uid, kgid_t gid) {} |
| 68 | static inline void *PDE_DATA(const struct inode *inode) {BUG(); return NULL;} |
| 69 | static inline void *proc_get_parent_data(const struct inode *inode) { BUG(); return NULL; } |
| 70 | |
| 71 | static inline void proc_remove(struct proc_dir_entry *de) {} |
| 72 | #define remove_proc_entry(name, parent) do {} while (0) |
| 73 | static inline int remove_proc_subtree(const char *name, struct proc_dir_entry *parent) { return 0; } |
| 74 | |
| 75 | #endif /* CONFIG_PROC_FS */ |
| 76 | |
| 77 | struct net; |
| 78 | |
| 79 | static inline struct proc_dir_entry *proc_net_mkdir( |
| 80 | struct net *net, const char *name, struct proc_dir_entry *parent) |
| 81 | { |
| 82 | return proc_mkdir_data(name, 0, parent, net); |
| 83 | } |
| 84 | |
| 85 | #endif /* _LINUX_PROC_FS_H */ |