1 /* $NetBSD: compat_linux.h,v 1.4 2007/10/17 19:58:41 garbled Exp $ */ 2 /* $OpenBSD: compat_linux.h,v 1.5 2006/01/15 17:58:27 deraadt Exp $ */ 3 4 /* 5 * Copyright (c) 2005 Uwe Stuehler <uwe@bsdx.de> 6 * 7 * Permission to use, copy, modify, and distribute this software for any 8 * purpose with or without fee is hereby granted, provided that the above 9 * copyright notice and this permission notice appear in all copies. 10 * 11 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 12 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 13 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 14 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 15 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 16 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 17 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 18 */ 19 20 /* 21 * Declare the things that we need from the Linux headers. 22 */ 23 24 #define IS_ERR(ptr) ((unsigned long)(ptr) > (unsigned long)-1000L) 25 26 #define MKDEV(ma,mi) ((ma)<<8 | (mi)) 27 28 #define S_IFBLK 0060000 29 #define S_IFCHR 0020000 30 31 struct file; 32 struct inode; 33 34 #define ELFSIZE 32 35 #include <sys/exec_elf.h> 36 #include <sys/types.h> 37 #include <sys/errno.h> 38 39 typedef long loff_t; 40 41 struct file_operations { 42 struct module *owner; 43 void (*llseek) (void); 44 ssize_t (*read) (struct file *, char *, size_t, loff_t *); 45 ssize_t (*write) (struct file *, const char *, size_t, loff_t *); 46 void (*readdir) (void); 47 void (*poll) (void); 48 void (*ioctl) (void); 49 void (*mmap) (void); 50 int (*open) (struct inode *, struct file *); 51 void (*flush) (void); 52 int (*release) (struct inode *, struct file *); 53 void (*fsync) (void); 54 void (*fasync) (void); 55 void (*lock) (void); 56 void (*readv) (void); 57 void (*writev) (void); 58 void (*sendpage) (void); 59 void (*get_unmapped_area)(void); 60 #ifdef MAGIC_ROM_PTR 61 void (*romptr) (void); 62 #endif /* MAGIC_ROM_PTR */ 63 }; 64 65 extern struct file *open_exec(const char *); 66 extern int kernel_read(struct file *, unsigned long, char *, unsigned long); 67 extern int memcmp(const void *, const void *, size_t); 68 extern int register_chrdev(unsigned int, const char *, struct file_operations *); 69 extern int unregister_chrdev(unsigned int, const char *); 70 extern void printk(const char *, ...); 71 extern void *memcpy(void *, const void *, size_t); 72 73 /* Linux LKM support */ 74 static const char __module_kernel_version[] __attribute__((section(".modinfo"))) = 75 "kernel_version=" UTS_RELEASE; 76 static const char __module_using_checksums[] __attribute__((section(".modinfo"))) = 77 "using_checksums=1"; 78 79 /* procfs support */ 80 struct proc_dir_entry { 81 unsigned short low_ino; 82 unsigned short namelen; 83 const char *name; 84 unsigned short mode; 85 unsigned short nlink; 86 unsigned short uid; 87 unsigned short gid; 88 unsigned long size; 89 void *proc_iops; /* inode operations */ 90 struct file_operations * proc_fops; 91 void *get_info; 92 struct module *owner; 93 struct proc_dir_entry *next, *parent, *subdir; 94 void *data; 95 void *read_proc; 96 void *write_proc; 97 volatile int count; 98 int deleted; 99 unsigned short rdev; 100 }; 101 extern struct proc_dir_entry proc_root; 102 extern struct proc_dir_entry *proc_mknod(const char*, unsigned short, 103 struct proc_dir_entry*, unsigned short); 104 extern void remove_proc_entry(const char *, struct proc_dir_entry *); 105