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1da177e4 LT |
1 | /* internal.h: internal procfs definitions |
2 | * | |
3 | * Copyright (C) 2004 Red Hat, Inc. All Rights Reserved. | |
4 | * Written by David Howells (dhowells@redhat.com) | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or | |
7 | * modify it under the terms of the GNU General Public License | |
8 | * as published by the Free Software Foundation; either version | |
9 | * 2 of the License, or (at your option) any later version. | |
10 | */ | |
11 | ||
12 | #include <linux/proc_fs.h> | |
13 | ||
05565b65 | 14 | #ifdef CONFIG_PROC_SYSCTL |
77b14db5 | 15 | extern int proc_sys_init(void); |
05565b65 AM |
16 | #else |
17 | static inline void proc_sys_init(void) { } | |
18 | #endif | |
457c4cbc EB |
19 | #ifdef CONFIG_NET |
20 | extern int proc_net_init(void); | |
21 | #else | |
22 | static inline int proc_net_init(void) { return 0; } | |
23 | #endif | |
77b14db5 | 24 | |
1da177e4 LT |
25 | struct vmalloc_info { |
26 | unsigned long used; | |
27 | unsigned long largest_chunk; | |
28 | }; | |
29 | ||
831830b5 AV |
30 | extern struct mm_struct *mm_for_maps(struct task_struct *); |
31 | ||
1da177e4 LT |
32 | #ifdef CONFIG_MMU |
33 | #define VMALLOC_TOTAL (VMALLOC_END - VMALLOC_START) | |
34 | extern void get_vmalloc_info(struct vmalloc_info *vmi); | |
35 | #else | |
36 | ||
37 | #define VMALLOC_TOTAL 0UL | |
38 | #define get_vmalloc_info(vmi) \ | |
39 | do { \ | |
40 | (vmi)->used = 0; \ | |
41 | (vmi)->largest_chunk = 0; \ | |
42 | } while(0) | |
43 | ||
dbf8685c | 44 | extern int nommu_vma_show(struct seq_file *, struct vm_area_struct *); |
1da177e4 LT |
45 | #endif |
46 | ||
5096add8 KC |
47 | extern int maps_protect; |
48 | ||
ee992744 EB |
49 | extern void create_seq_entry(char *name, mode_t mode, |
50 | const struct file_operations *f); | |
1da177e4 | 51 | extern int proc_exe_link(struct inode *, struct dentry **, struct vfsmount **); |
ee992744 EB |
52 | extern int proc_tid_stat(struct seq_file *m, struct pid_namespace *ns, |
53 | struct pid *pid, struct task_struct *task); | |
54 | extern int proc_tgid_stat(struct seq_file *m, struct pid_namespace *ns, | |
55 | struct pid *pid, struct task_struct *task); | |
1da177e4 LT |
56 | extern int proc_pid_status(struct task_struct *, char *); |
57 | extern int proc_pid_statm(struct task_struct *, char *); | |
85863e47 | 58 | extern loff_t mem_lseek(struct file *file, loff_t offset, int orig); |
1da177e4 | 59 | |
00977a59 AV |
60 | extern const struct file_operations proc_maps_operations; |
61 | extern const struct file_operations proc_numa_maps_operations; | |
62 | extern const struct file_operations proc_smaps_operations; | |
f248dcb3 | 63 | extern const struct file_operations proc_clear_refs_operations; |
85863e47 | 64 | extern const struct file_operations proc_pagemap_operations; |
99f89551 | 65 | |
fee781e6 AB |
66 | void free_proc_entry(struct proc_dir_entry *de); |
67 | ||
68 | int proc_init_inodecache(void); | |
69 | ||
13b41b09 | 70 | static inline struct pid *proc_pid(struct inode *inode) |
99f89551 | 71 | { |
13b41b09 | 72 | return PROC_I(inode)->pid; |
99f89551 EB |
73 | } |
74 | ||
75 | static inline struct task_struct *get_proc_task(struct inode *inode) | |
1da177e4 | 76 | { |
13b41b09 | 77 | return get_pid_task(proc_pid(inode), PIDTYPE_PID); |
1da177e4 LT |
78 | } |
79 | ||
aed7a6c4 | 80 | static inline int proc_fd(struct inode *inode) |
1da177e4 | 81 | { |
aed7a6c4 | 82 | return PROC_I(inode)->fd; |
1da177e4 | 83 | } |