blob: 05b3e9006262c49145f640e482062bbd0b6d14ad [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/* 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
Andrew Morton05565b62007-04-01 23:49:35 -070014#ifdef CONFIG_PROC_SYSCTL
Eric W. Biederman77b14db2007-02-14 00:34:12 -080015extern int proc_sys_init(void);
Andrew Morton05565b62007-04-01 23:49:35 -070016#else
17static inline void proc_sys_init(void) { }
18#endif
Eric W. Biederman457c4cb2007-09-12 12:01:34 +020019#ifdef CONFIG_NET
20extern int proc_net_init(void);
21#else
22static inline int proc_net_init(void) { return 0; }
23#endif
Eric W. Biederman77b14db2007-02-14 00:34:12 -080024
Linus Torvalds1da177e2005-04-16 15:20:36 -070025struct vmalloc_info {
26 unsigned long used;
27 unsigned long largest_chunk;
28};
29
Al Viro831830b2008-01-02 14:09:57 +000030extern struct mm_struct *mm_for_maps(struct task_struct *);
31
Linus Torvalds1da177e2005-04-16 15:20:36 -070032#ifdef CONFIG_MMU
33#define VMALLOC_TOTAL (VMALLOC_END - VMALLOC_START)
34extern void get_vmalloc_info(struct vmalloc_info *vmi);
35#else
36
37#define VMALLOC_TOTAL 0UL
38#define get_vmalloc_info(vmi) \
39do { \
40 (vmi)->used = 0; \
41 (vmi)->largest_chunk = 0; \
42} while(0)
43
David Howellsdbf86852006-09-27 01:50:19 -070044extern int nommu_vma_show(struct seq_file *, struct vm_area_struct *);
Linus Torvalds1da177e2005-04-16 15:20:36 -070045#endif
46
Kees Cook5096add2007-05-08 00:26:04 -070047extern int maps_protect;
48
Arjan van de Ven99ac48f2006-03-28 01:56:41 -080049extern void create_seq_entry(char *name, mode_t mode, const struct file_operations *f);
Linus Torvalds1da177e2005-04-16 15:20:36 -070050extern int proc_exe_link(struct inode *, struct dentry **, struct vfsmount **);
51extern int proc_tid_stat(struct task_struct *, char *);
52extern int proc_tgid_stat(struct task_struct *, char *);
53extern int proc_pid_status(struct task_struct *, char *);
54extern int proc_pid_statm(struct task_struct *, char *);
55
Arjan van de Ven00977a52007-02-12 00:55:34 -080056extern const struct file_operations proc_maps_operations;
57extern const struct file_operations proc_numa_maps_operations;
58extern const struct file_operations proc_smaps_operations;
Eric W. Biederman662795d2006-06-26 00:25:48 -070059
Arjan van de Ven00977a52007-02-12 00:55:34 -080060extern const struct file_operations proc_maps_operations;
61extern const struct file_operations proc_numa_maps_operations;
62extern const struct file_operations proc_smaps_operations;
Eric W. Biederman99f89552006-06-26 00:25:55 -070063
64
Adrian Bunkfee781e2006-01-08 01:04:16 -080065void free_proc_entry(struct proc_dir_entry *de);
66
67int proc_init_inodecache(void);
68
Eric W. Biederman13b41b02006-06-26 00:25:56 -070069static inline struct pid *proc_pid(struct inode *inode)
Linus Torvalds1da177e2005-04-16 15:20:36 -070070{
Eric W. Biederman13b41b02006-06-26 00:25:56 -070071 return PROC_I(inode)->pid;
Eric W. Biederman99f89552006-06-26 00:25:55 -070072}
73
74static inline struct task_struct *get_proc_task(struct inode *inode)
75{
Eric W. Biederman13b41b02006-06-26 00:25:56 -070076 return get_pid_task(proc_pid(inode), PIDTYPE_PID);
Linus Torvalds1da177e2005-04-16 15:20:36 -070077}
78
Eric W. Biedermanaed7a6c2006-06-26 00:25:44 -070079static inline int proc_fd(struct inode *inode)
Linus Torvalds1da177e2005-04-16 15:20:36 -070080{
Eric W. Biedermanaed7a6c2006-06-26 00:25:44 -070081 return PROC_I(inode)->fd;
Linus Torvalds1da177e2005-04-16 15:20:36 -070082}