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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
Eric W. Biederman77b14db2007-02-14 00:34:12 -080014extern int proc_sys_init(void);
15
Linus Torvalds1da177e2005-04-16 15:20:36 -070016struct vmalloc_info {
17 unsigned long used;
18 unsigned long largest_chunk;
19};
20
21#ifdef CONFIG_MMU
22#define VMALLOC_TOTAL (VMALLOC_END - VMALLOC_START)
23extern void get_vmalloc_info(struct vmalloc_info *vmi);
24#else
25
26#define VMALLOC_TOTAL 0UL
27#define get_vmalloc_info(vmi) \
28do { \
29 (vmi)->used = 0; \
30 (vmi)->largest_chunk = 0; \
31} while(0)
32
David Howellsdbf86852006-09-27 01:50:19 -070033extern int nommu_vma_show(struct seq_file *, struct vm_area_struct *);
Linus Torvalds1da177e2005-04-16 15:20:36 -070034#endif
35
Arjan van de Ven99ac48f2006-03-28 01:56:41 -080036extern void create_seq_entry(char *name, mode_t mode, const struct file_operations *f);
Linus Torvalds1da177e2005-04-16 15:20:36 -070037extern int proc_exe_link(struct inode *, struct dentry **, struct vfsmount **);
38extern int proc_tid_stat(struct task_struct *, char *);
39extern int proc_tgid_stat(struct task_struct *, char *);
40extern int proc_pid_status(struct task_struct *, char *);
41extern int proc_pid_statm(struct task_struct *, char *);
42
Arjan van de Ven00977a52007-02-12 00:55:34 -080043extern const struct file_operations proc_maps_operations;
44extern const struct file_operations proc_numa_maps_operations;
45extern const struct file_operations proc_smaps_operations;
Eric W. Biederman662795d2006-06-26 00:25:48 -070046
Arjan van de Ven00977a52007-02-12 00:55:34 -080047extern const struct file_operations proc_maps_operations;
48extern const struct file_operations proc_numa_maps_operations;
49extern const struct file_operations proc_smaps_operations;
Eric W. Biederman99f89552006-06-26 00:25:55 -070050
51
Adrian Bunkfee781e2006-01-08 01:04:16 -080052void free_proc_entry(struct proc_dir_entry *de);
53
54int proc_init_inodecache(void);
55
Eric W. Biederman13b41b02006-06-26 00:25:56 -070056static inline struct pid *proc_pid(struct inode *inode)
Linus Torvalds1da177e2005-04-16 15:20:36 -070057{
Eric W. Biederman13b41b02006-06-26 00:25:56 -070058 return PROC_I(inode)->pid;
Eric W. Biederman99f89552006-06-26 00:25:55 -070059}
60
61static inline struct task_struct *get_proc_task(struct inode *inode)
62{
Eric W. Biederman13b41b02006-06-26 00:25:56 -070063 return get_pid_task(proc_pid(inode), PIDTYPE_PID);
Linus Torvalds1da177e2005-04-16 15:20:36 -070064}
65
Eric W. Biedermanaed7a6c2006-06-26 00:25:44 -070066static inline int proc_fd(struct inode *inode)
Linus Torvalds1da177e2005-04-16 15:20:36 -070067{
Eric W. Biedermanaed7a6c2006-06-26 00:25:44 -070068 return PROC_I(inode)->fd;
Linus Torvalds1da177e2005-04-16 15:20:36 -070069}