-#ifndef _LINUX_PROC_FS_H
-#define _LINUX_PROC_FS_H
-
-#include <linux/slab.h>
-#include <linux/fs.h>
-#include <linux/spinlock.h>
-#include <linux/magic.h>
-#include <linux/atomic.h>
-
-struct net;
-struct completion;
-struct mm_struct;
-
/*
* The proc filesystem constants/structures
*/
+#ifndef _LINUX_PROC_FS_H
+#define _LINUX_PROC_FS_H
-/*
- * Offset of the first process in the /proc root directory..
- */
-#define FIRST_PROCESS_ENTRY 256
-
-/* Worst case buffer size needed for holding an integer. */
-#define PROC_NUMBUF 13
-
-/*
- * We always define these enumerators
- */
-
-enum {
- PROC_ROOT_INO = 1,
- PROC_IPC_INIT_INO = 0xEFFFFFFFU,
- PROC_UTS_INIT_INO = 0xEFFFFFFEU,
- PROC_USER_INIT_INO = 0xEFFFFFFDU,
- PROC_PID_INIT_INO = 0xEFFFFFFCU,
-};
-
-/*
- * This is not completely implemented yet. The idea is to
- * create an in-memory tree (like the actual /proc filesystem
- * tree) of these proc_dir_entries, so that we can dynamically
- * add new files to /proc.
- *
- * The "next" pointer creates a linked list of one /proc directory,
- * while parent/subdir create the directory structure (every
- * /proc file has a parent, but "subdir" is NULL for all
- * non-directory entries).
- */
-
-typedef int (read_proc_t)(char *page, char **start, off_t off,
- int count, int *eof, void *data);
-typedef int (write_proc_t)(struct file *file, const char __user *buffer,
- unsigned long count, void *data);
-
-struct proc_dir_entry {
- unsigned int low_ino;
- umode_t mode;
- nlink_t nlink;
- kuid_t uid;
- kgid_t gid;
- loff_t size;
- const struct inode_operations *proc_iops;
- /*
- * NULL ->proc_fops means "PDE is going away RSN" or
- * "PDE is just created". In either case, e.g. ->read_proc won't be
- * called because it's too late or too early, respectively.
- *
- * If you're allocating ->proc_fops dynamically, save a pointer
- * somewhere.
- */
- const struct file_operations *proc_fops;
- struct proc_dir_entry *next, *parent, *subdir;
- void *data;
- read_proc_t *read_proc;
- write_proc_t *write_proc;
- atomic_t count; /* use count */
- int pde_users; /* number of callers into module in progress */
- struct completion *pde_unload_completion;
- struct list_head pde_openers; /* who did ->open, but not ->release */
- spinlock_t pde_unload_lock; /* proc_fops checks and pde_users bumps */
- u8 namelen;
- char name[];
-};
-
-enum kcore_type {
- KCORE_TEXT,
- KCORE_VMALLOC,
- KCORE_RAM,
- KCORE_VMEMMAP,
- KCORE_OTHER,
-};
-
-struct kcore_list {
- struct list_head list;
- unsigned long addr;
- size_t size;
- int type;
-};
+#include <linux/types.h>
+#include <linux/fs.h>
-struct vmcore {
- struct list_head list;
- unsigned long long paddr;
- unsigned long long size;
- loff_t offset;
-};
+struct proc_dir_entry;
#ifdef CONFIG_PROC_FS
extern void proc_root_init(void);
-
-void proc_flush_task(struct task_struct *task);
-
-extern struct proc_dir_entry *create_proc_entry(const char *name, umode_t mode,
- struct proc_dir_entry *parent);
-struct proc_dir_entry *proc_create_data(const char *name, umode_t mode,
- struct proc_dir_entry *parent,
- const struct file_operations *proc_fops,
- void *data);
-extern void remove_proc_entry(const char *name, struct proc_dir_entry *parent);
-extern int remove_proc_subtree(const char *name, struct proc_dir_entry *parent);
-
-struct pid_namespace;
-
-extern int pid_ns_prepare_proc(struct pid_namespace *ns);
-extern void pid_ns_release_proc(struct pid_namespace *ns);
-
-/*
- * proc_tty.c
- */
-struct tty_driver;
-#ifdef CONFIG_TTY
-extern void proc_tty_init(void);
-#else
-static inline void proc_tty_init(void)
-{ }
-#endif
-extern void proc_tty_register_driver(struct tty_driver *driver);
-extern void proc_tty_unregister_driver(struct tty_driver *driver);
-
-/*
- * proc_devtree.c
- */
-#ifdef CONFIG_PROC_DEVICETREE
-struct device_node;
-struct property;
-extern void proc_device_tree_init(void);
-extern void proc_device_tree_add_node(struct device_node *, struct proc_dir_entry *);
-extern void proc_device_tree_add_prop(struct proc_dir_entry *pde, struct property *prop);
-extern void proc_device_tree_remove_prop(struct proc_dir_entry *pde,
- struct property *prop);
-extern void proc_device_tree_update_prop(struct proc_dir_entry *pde,
- struct property *newprop,
- struct property *oldprop);
-#endif /* CONFIG_PROC_DEVICETREE */
+extern void proc_flush_task(struct task_struct *);
extern struct proc_dir_entry *proc_symlink(const char *,
struct proc_dir_entry *, const char *);
-extern struct proc_dir_entry *proc_mkdir(const char *,struct proc_dir_entry *);
-extern struct proc_dir_entry *proc_mkdir_mode(const char *name, umode_t mode,
- struct proc_dir_entry *parent);
-
-static inline struct proc_dir_entry *proc_create(const char *name, umode_t mode,
- struct proc_dir_entry *parent, const struct file_operations *proc_fops)
+extern struct proc_dir_entry *proc_mkdir(const char *, struct proc_dir_entry *);
+extern struct proc_dir_entry *proc_mkdir_data(const char *, umode_t,
+ struct proc_dir_entry *, void *);
+extern struct proc_dir_entry *proc_mkdir_mode(const char *, umode_t,
+ struct proc_dir_entry *);
+
+extern struct proc_dir_entry *proc_create_data(const char *, umode_t,
+ struct proc_dir_entry *,
+ const struct file_operations *,
+ void *);
+
+static inline struct proc_dir_entry *proc_create(
+ const char *name, umode_t mode, struct proc_dir_entry *parent,
+ const struct file_operations *proc_fops)
{
return proc_create_data(name, mode, parent, proc_fops, NULL);
}
-static inline struct proc_dir_entry *create_proc_read_entry(const char *name,
- umode_t mode, struct proc_dir_entry *base,
- read_proc_t *read_proc, void * data)
-{
- struct proc_dir_entry *res=create_proc_entry(name,mode,base);
- if (res) {
- res->read_proc=read_proc;
- res->data=data;
- }
- return res;
-}
-
-extern struct proc_dir_entry *proc_net_mkdir(struct net *net, const char *name,
- struct proc_dir_entry *parent);
-
-extern struct file *proc_ns_fget(int fd);
-extern bool proc_ns_inode(struct inode *inode);
+extern void proc_set_size(struct proc_dir_entry *, loff_t);
+extern void proc_set_user(struct proc_dir_entry *, kuid_t, kgid_t);
+extern void *PDE_DATA(const struct inode *);
+extern void *proc_get_parent_data(const struct inode *);
+extern void proc_remove(struct proc_dir_entry *);
+extern void remove_proc_entry(const char *, struct proc_dir_entry *);
+extern int remove_proc_subtree(const char *, struct proc_dir_entry *);
-extern int proc_alloc_inum(unsigned int *pino);
-extern void proc_free_inum(unsigned int inum);
-#else
+#else /* CONFIG_PROC_FS */
static inline void proc_flush_task(struct task_struct *task)
{
}
-static inline struct proc_dir_entry *create_proc_entry(const char *name,
- umode_t mode, struct proc_dir_entry *parent) { return NULL; }
-
-#define proc_create(name, mode, parent, fops) ({ (void)(mode), NULL; })
-
-static inline struct proc_dir_entry *proc_create_data(const char *name,
- umode_t mode, struct proc_dir_entry *parent,
- const struct file_operations *proc_fops, void *data)
-{
- return NULL;
-}
-#define remove_proc_entry(name, parent) do {} while (0)
-#define remove_proc_subtree(name, parent) do {} while (0)
-
static inline struct proc_dir_entry *proc_symlink(const char *name,
- struct proc_dir_entry *parent,const char *dest) {return NULL;}
+ struct proc_dir_entry *parent,const char *dest) { return NULL;}
static inline struct proc_dir_entry *proc_mkdir(const char *name,
struct proc_dir_entry *parent) {return NULL;}
+static inline struct proc_dir_entry *proc_mkdir_data(const char *name,
+ umode_t mode, struct proc_dir_entry *parent, void *data) { return NULL; }
static inline struct proc_dir_entry *proc_mkdir_mode(const char *name,
umode_t mode, struct proc_dir_entry *parent) { return NULL; }
+#define proc_create(name, mode, parent, proc_fops) ({NULL;})
+#define proc_create_data(name, mode, parent, proc_fops, data) ({NULL;})
-static inline struct proc_dir_entry *create_proc_read_entry(const char *name,
- umode_t mode, struct proc_dir_entry *base,
- read_proc_t *read_proc, void * data) { return NULL; }
-
-struct tty_driver;
-static inline void proc_tty_register_driver(struct tty_driver *driver) {};
-static inline void proc_tty_unregister_driver(struct tty_driver *driver) {};
+static inline void proc_set_size(struct proc_dir_entry *de, loff_t size) {}
+static inline void proc_set_user(struct proc_dir_entry *de, kuid_t uid, kgid_t gid) {}
+static inline void *PDE_DATA(const struct inode *inode) {BUG(); return NULL;}
+static inline void *proc_get_parent_data(const struct inode *inode) { BUG(); return NULL; }
-static inline int pid_ns_prepare_proc(struct pid_namespace *ns)
-{
- return 0;
-}
-
-static inline void pid_ns_release_proc(struct pid_namespace *ns)
-{
-}
-
-static inline struct file *proc_ns_fget(int fd)
-{
- return ERR_PTR(-EINVAL);
-}
-
-static inline bool proc_ns_inode(struct inode *inode)
-{
- return false;
-}
+static inline void proc_remove(struct proc_dir_entry *de) {}
+#define remove_proc_entry(name, parent) do {} while (0)
+static inline int remove_proc_subtree(const char *name, struct proc_dir_entry *parent) { return 0; }
-static inline int proc_alloc_inum(unsigned int *inum)
-{
- *inum = 1;
- return 0;
-}
-static inline void proc_free_inum(unsigned int inum)
-{
-}
#endif /* CONFIG_PROC_FS */
-#if !defined(CONFIG_PROC_KCORE)
-static inline void
-kclist_add(struct kcore_list *new, void *addr, size_t size, int type)
+static inline struct proc_dir_entry *proc_net_mkdir(
+ struct net *net, const char *name, struct proc_dir_entry *parent)
{
+ return proc_mkdir_data(name, 0, parent, net);
}
-#else
-extern void kclist_add(struct kcore_list *, void *, size_t, int type);
-#endif
-
-struct nsproxy;
-struct proc_ns_operations {
- const char *name;
- int type;
- void *(*get)(struct task_struct *task);
- void (*put)(void *ns);
- int (*install)(struct nsproxy *nsproxy, void *ns);
- unsigned int (*inum)(void *ns);
-};
-extern const struct proc_ns_operations netns_operations;
-extern const struct proc_ns_operations utsns_operations;
-extern const struct proc_ns_operations ipcns_operations;
-extern const struct proc_ns_operations pidns_operations;
-extern const struct proc_ns_operations userns_operations;
-extern const struct proc_ns_operations mntns_operations;
-
-union proc_op {
- int (*proc_get_link)(struct dentry *, struct path *);
- int (*proc_read)(struct task_struct *task, char *page);
- int (*proc_show)(struct seq_file *m,
- struct pid_namespace *ns, struct pid *pid,
- struct task_struct *task);
-};
-
-struct ctl_table_header;
-struct ctl_table;
-
-struct proc_inode {
- struct pid *pid;
- int fd;
- union proc_op op;
- struct proc_dir_entry *pde;
- struct ctl_table_header *sysctl;
- struct ctl_table *sysctl_entry;
- void *ns;
- const struct proc_ns_operations *ns_ops;
- struct inode vfs_inode;
-};
-
-static inline struct proc_inode *PROC_I(const struct inode *inode)
-{
- return container_of(inode, struct proc_inode, vfs_inode);
-}
-
-static inline struct proc_dir_entry *PDE(const struct inode *inode)
-{
- return PROC_I(inode)->pde;
-}
-
-static inline struct net *PDE_NET(struct proc_dir_entry *pde)
-{
- return pde->parent->data;
-}
-
-#include <linux/signal.h>
-void render_sigset_t(struct seq_file *m, const char *header, sigset_t *set);
#endif /* _LINUX_PROC_FS_H */
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