| /* internal.h: internal procfs definitions |
| * |
| * Copyright (C) 2004 Red Hat, Inc. All Rights Reserved. |
| * Written by David Howells (dhowells@redhat.com) |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public License |
| * as published by the Free Software Foundation; either version |
| * 2 of the License, or (at your option) any later version. |
| */ |
| |
| #include <linux/proc_fs.h> |
| |
| extern struct proc_dir_entry proc_root; |
| #ifdef CONFIG_PROC_SYSCTL |
| extern int proc_sys_init(void); |
| #else |
| static inline void proc_sys_init(void) { } |
| #endif |
| #ifdef CONFIG_NET |
| extern int proc_net_init(void); |
| #else |
| static inline int proc_net_init(void) { return 0; } |
| #endif |
| |
| struct vmalloc_info { |
| unsigned long used; |
| unsigned long largest_chunk; |
| }; |
| |
| extern struct mm_struct *mm_for_maps(struct task_struct *); |
| |
| #ifdef CONFIG_MMU |
| #define VMALLOC_TOTAL (VMALLOC_END - VMALLOC_START) |
| extern void get_vmalloc_info(struct vmalloc_info *vmi); |
| #else |
| |
| #define VMALLOC_TOTAL 0UL |
| #define get_vmalloc_info(vmi) \ |
| do { \ |
| (vmi)->used = 0; \ |
| (vmi)->largest_chunk = 0; \ |
| } while(0) |
| #endif |
| |
| extern int proc_tid_stat(struct seq_file *m, struct pid_namespace *ns, |
| struct pid *pid, struct task_struct *task); |
| extern int proc_tgid_stat(struct seq_file *m, struct pid_namespace *ns, |
| struct pid *pid, struct task_struct *task); |
| extern int proc_pid_status(struct seq_file *m, struct pid_namespace *ns, |
| struct pid *pid, struct task_struct *task); |
| extern int proc_pid_statm(struct seq_file *m, struct pid_namespace *ns, |
| struct pid *pid, struct task_struct *task); |
| extern loff_t mem_lseek(struct file *file, loff_t offset, int orig); |
| |
| extern const struct file_operations proc_maps_operations; |
| extern const struct file_operations proc_numa_maps_operations; |
| extern const struct file_operations proc_smaps_operations; |
| extern const struct file_operations proc_clear_refs_operations; |
| extern const struct file_operations proc_pagemap_operations; |
| extern const struct file_operations proc_net_operations; |
| extern const struct inode_operations proc_net_inode_operations; |
| |
| struct proc_maps_private { |
| struct pid *pid; |
| struct task_struct *task; |
| #ifdef CONFIG_MMU |
| struct vm_area_struct *tail_vma; |
| #endif |
| }; |
| |
| void proc_init_inodecache(void); |
| |
| static inline struct pid *proc_pid(struct inode *inode) |
| { |
| return PROC_I(inode)->pid; |
| } |
| |
| static inline struct task_struct *get_proc_task(struct inode *inode) |
| { |
| return get_pid_task(proc_pid(inode), PIDTYPE_PID); |
| } |
| |
| static inline int proc_fd(struct inode *inode) |
| { |
| return PROC_I(inode)->fd; |
| } |
| |
| struct dentry *proc_lookup_de(struct proc_dir_entry *de, struct inode *ino, |
| struct dentry *dentry); |
| int proc_readdir_de(struct proc_dir_entry *de, struct file *filp, void *dirent, |
| filldir_t filldir); |
| |
| struct pde_opener { |
| struct inode *inode; |
| struct file *file; |
| int (*release)(struct inode *, struct file *); |
| struct list_head lh; |
| }; |
| void pde_users_dec(struct proc_dir_entry *pde); |
| |
| extern spinlock_t proc_subdir_lock; |
| |
| struct dentry *proc_pid_lookup(struct inode *dir, struct dentry * dentry, struct nameidata *); |
| int proc_pid_readdir(struct file * filp, void * dirent, filldir_t filldir); |
| unsigned long task_vsize(struct mm_struct *); |
| unsigned long task_statm(struct mm_struct *, |
| unsigned long *, unsigned long *, unsigned long *, unsigned long *); |
| void task_mem(struct seq_file *, struct mm_struct *); |
| |
| static inline struct proc_dir_entry *pde_get(struct proc_dir_entry *pde) |
| { |
| atomic_inc(&pde->count); |
| return pde; |
| } |
| void pde_put(struct proc_dir_entry *pde); |
| |
| int proc_fill_super(struct super_block *); |
| struct inode *proc_get_inode(struct super_block *, struct proc_dir_entry *); |
| |
| /* |
| * These are generic /proc routines that use the internal |
| * "struct proc_dir_entry" tree to traverse the filesystem. |
| * |
| * The /proc root directory has extended versions to take care |
| * of the /proc/<pid> subdirectories. |
| */ |
| int proc_readdir(struct file *, void *, filldir_t); |
| struct dentry *proc_lookup(struct inode *, struct dentry *, struct nameidata *); |
| |
| |
| |
| /* Lookups */ |
| typedef struct dentry *instantiate_t(struct inode *, struct dentry *, |
| struct task_struct *, const void *); |
| int proc_fill_cache(struct file *filp, void *dirent, filldir_t filldir, |
| const char *name, int len, |
| instantiate_t instantiate, struct task_struct *task, const void *ptr); |
| int pid_revalidate(struct dentry *dentry, struct nameidata *nd); |
| struct inode *proc_pid_make_inode(struct super_block * sb, struct task_struct *task); |
| extern const struct dentry_operations pid_dentry_operations; |
| int pid_getattr(struct vfsmount *mnt, struct dentry *dentry, struct kstat *stat); |
| int proc_setattr(struct dentry *dentry, struct iattr *attr); |
| |
| extern const struct inode_operations proc_ns_dir_inode_operations; |
| extern const struct file_operations proc_ns_dir_operations; |
| |