/* $NetBSD: compat_linux.h,v 1.7 2019/10/28 15:26:09 tsutsui Exp $ */
/* $OpenBSD: compat_linux.h,v 1.5 2006/01/15 17:58:27 deraadt Exp $ */
/*
* Copyright (c) 2005 Uwe Stuehler <
[email protected]>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/*
* Declare the things that we need from the Linux headers.
*/
#define IS_ERR(ptr) ((unsigned long)(ptr) > (unsigned long)-1000L)
#define MKDEV(ma,mi) ((ma)<<8 | (mi))
#define S_IFBLK 0060000
#define S_IFCHR 0020000
struct file;
struct inode;
typedef long loff_t;
struct file_operations {
struct module *owner;
void (*llseek) (void);
ssize_t (*read) (struct file *, char *, size_t, loff_t *);
ssize_t (*write) (struct file *, const char *, size_t, loff_t *);
void (*readdir) (void);
void (*poll) (void);
void (*ioctl) (void);
void (*mmap) (void);
int (*open) (struct inode *, struct file *);
void (*flush) (void);
int (*release) (struct inode *, struct file *);
void (*fsync) (void);
void (*fasync) (void);
void (*lock) (void);
void (*readv) (void);
void (*writev) (void);
void (*sendpage) (void);
void (*get_unmapped_area)(void);
#ifdef MAGIC_ROM_PTR
void (*romptr) (void);
#endif /* MAGIC_ROM_PTR */
};
extern struct file *open_exec(const char *);
extern int kernel_read(struct file *, unsigned long, char *, unsigned long);
extern int memcmp(const void *, const void *, size_t);
extern int register_chrdev(unsigned int, const char *, struct file_operations *);
extern int unregister_chrdev(unsigned int, const char *);
extern void printk(const char *, ...) __printflike(1, 2);
extern void *memcpy(void *, const void *, size_t);
extern void *memset(void *, int, size_t);
/* procfs support */
struct proc_dir_entry {
unsigned short low_ino;
unsigned short namelen;
const char *name;
unsigned short mode;
unsigned short nlink;
unsigned short uid;
unsigned short gid;
unsigned long size;
void *proc_iops; /* inode operations */
struct file_operations * proc_fops;
void *get_info;
struct module *owner;
struct proc_dir_entry *next, *parent, *subdir;
void *data;
void *read_proc;
void *write_proc;
volatile int count;
int deleted;
unsigned short rdev;
};
extern struct proc_dir_entry proc_root;
extern struct proc_dir_entry *proc_mknod(const char*, unsigned short,
struct proc_dir_entry*, unsigned short);
extern void remove_proc_entry(const char *, struct proc_dir_entry *);