This source file includes following definitions.
- proc_root_init
- proc_flush_task
- proc_symlink
- proc_mkdir
- proc_create_mount_point
- proc_mkdir_data
- proc_mkdir_mode
- proc_set_size
- proc_set_user
- PDE_DATA
- proc_get_parent_data
- proc_remove
- remove_proc_subtree
- tgid_pidfd_to_pid
- proc_net_mkdir
- proc_pid_ns
1
2
3
4
5 #ifndef _LINUX_PROC_FS_H
6 #define _LINUX_PROC_FS_H
7
8 #include <linux/types.h>
9 #include <linux/fs.h>
10
11 struct proc_dir_entry;
12 struct seq_file;
13 struct seq_operations;
14
15 #ifdef CONFIG_PROC_FS
16
17 typedef int (*proc_write_t)(struct file *, char *, size_t);
18
19 extern void proc_root_init(void);
20 extern void proc_flush_task(struct task_struct *);
21
22 extern struct proc_dir_entry *proc_symlink(const char *,
23 struct proc_dir_entry *, const char *);
24 extern struct proc_dir_entry *proc_mkdir(const char *, struct proc_dir_entry *);
25 extern struct proc_dir_entry *proc_mkdir_data(const char *, umode_t,
26 struct proc_dir_entry *, void *);
27 extern struct proc_dir_entry *proc_mkdir_mode(const char *, umode_t,
28 struct proc_dir_entry *);
29 struct proc_dir_entry *proc_create_mount_point(const char *name);
30
31 struct proc_dir_entry *proc_create_seq_private(const char *name, umode_t mode,
32 struct proc_dir_entry *parent, const struct seq_operations *ops,
33 unsigned int state_size, void *data);
34 #define proc_create_seq_data(name, mode, parent, ops, data) \
35 proc_create_seq_private(name, mode, parent, ops, 0, data)
36 #define proc_create_seq(name, mode, parent, ops) \
37 proc_create_seq_private(name, mode, parent, ops, 0, NULL)
38 struct proc_dir_entry *proc_create_single_data(const char *name, umode_t mode,
39 struct proc_dir_entry *parent,
40 int (*show)(struct seq_file *, void *), void *data);
41 #define proc_create_single(name, mode, parent, show) \
42 proc_create_single_data(name, mode, parent, show, NULL)
43
44 extern struct proc_dir_entry *proc_create_data(const char *, umode_t,
45 struct proc_dir_entry *,
46 const struct file_operations *,
47 void *);
48
49 struct proc_dir_entry *proc_create(const char *name, umode_t mode, struct proc_dir_entry *parent, const struct file_operations *proc_fops);
50 extern void proc_set_size(struct proc_dir_entry *, loff_t);
51 extern void proc_set_user(struct proc_dir_entry *, kuid_t, kgid_t);
52 extern void *PDE_DATA(const struct inode *);
53 extern void *proc_get_parent_data(const struct inode *);
54 extern void proc_remove(struct proc_dir_entry *);
55 extern void remove_proc_entry(const char *, struct proc_dir_entry *);
56 extern int remove_proc_subtree(const char *, struct proc_dir_entry *);
57
58 struct proc_dir_entry *proc_create_net_data(const char *name, umode_t mode,
59 struct proc_dir_entry *parent, const struct seq_operations *ops,
60 unsigned int state_size, void *data);
61 #define proc_create_net(name, mode, parent, state_size, ops) \
62 proc_create_net_data(name, mode, parent, state_size, ops, NULL)
63 struct proc_dir_entry *proc_create_net_single(const char *name, umode_t mode,
64 struct proc_dir_entry *parent,
65 int (*show)(struct seq_file *, void *), void *data);
66 struct proc_dir_entry *proc_create_net_data_write(const char *name, umode_t mode,
67 struct proc_dir_entry *parent,
68 const struct seq_operations *ops,
69 proc_write_t write,
70 unsigned int state_size, void *data);
71 struct proc_dir_entry *proc_create_net_single_write(const char *name, umode_t mode,
72 struct proc_dir_entry *parent,
73 int (*show)(struct seq_file *, void *),
74 proc_write_t write,
75 void *data);
76 extern struct pid *tgid_pidfd_to_pid(const struct file *file);
77
78 #ifdef CONFIG_PROC_PID_ARCH_STATUS
79
80
81
82
83 int proc_pid_arch_status(struct seq_file *m, struct pid_namespace *ns,
84 struct pid *pid, struct task_struct *task);
85 #endif
86
87 #else
88
89 static inline void proc_root_init(void)
90 {
91 }
92
93 static inline void proc_flush_task(struct task_struct *task)
94 {
95 }
96
97 static inline struct proc_dir_entry *proc_symlink(const char *name,
98 struct proc_dir_entry *parent,const char *dest) { return NULL;}
99 static inline struct proc_dir_entry *proc_mkdir(const char *name,
100 struct proc_dir_entry *parent) {return NULL;}
101 static inline struct proc_dir_entry *proc_create_mount_point(const char *name) { return NULL; }
102 static inline struct proc_dir_entry *proc_mkdir_data(const char *name,
103 umode_t mode, struct proc_dir_entry *parent, void *data) { return NULL; }
104 static inline struct proc_dir_entry *proc_mkdir_mode(const char *name,
105 umode_t mode, struct proc_dir_entry *parent) { return NULL; }
106 #define proc_create_seq_private(name, mode, parent, ops, size, data) ({NULL;})
107 #define proc_create_seq_data(name, mode, parent, ops, data) ({NULL;})
108 #define proc_create_seq(name, mode, parent, ops) ({NULL;})
109 #define proc_create_single(name, mode, parent, show) ({NULL;})
110 #define proc_create_single_data(name, mode, parent, show, data) ({NULL;})
111 #define proc_create(name, mode, parent, proc_fops) ({NULL;})
112 #define proc_create_data(name, mode, parent, proc_fops, data) ({NULL;})
113
114 static inline void proc_set_size(struct proc_dir_entry *de, loff_t size) {}
115 static inline void proc_set_user(struct proc_dir_entry *de, kuid_t uid, kgid_t gid) {}
116 static inline void *PDE_DATA(const struct inode *inode) {BUG(); return NULL;}
117 static inline void *proc_get_parent_data(const struct inode *inode) { BUG(); return NULL; }
118
119 static inline void proc_remove(struct proc_dir_entry *de) {}
120 #define remove_proc_entry(name, parent) do {} while (0)
121 static inline int remove_proc_subtree(const char *name, struct proc_dir_entry *parent) { return 0; }
122
123 #define proc_create_net_data(name, mode, parent, ops, state_size, data) ({NULL;})
124 #define proc_create_net(name, mode, parent, state_size, ops) ({NULL;})
125 #define proc_create_net_single(name, mode, parent, show, data) ({NULL;})
126
127 static inline struct pid *tgid_pidfd_to_pid(const struct file *file)
128 {
129 return ERR_PTR(-EBADF);
130 }
131
132 #endif
133
134 struct net;
135
136 static inline struct proc_dir_entry *proc_net_mkdir(
137 struct net *net, const char *name, struct proc_dir_entry *parent)
138 {
139 return proc_mkdir_data(name, 0, parent, net);
140 }
141
142 struct ns_common;
143 int open_related_ns(struct ns_common *ns,
144 struct ns_common *(*get_ns)(struct ns_common *ns));
145
146
147 static inline struct pid_namespace *proc_pid_ns(const struct inode *inode)
148 {
149 return inode->i_sb->s_fs_info;
150 }
151
152 #endif