1 /* $NetBSD: compat_linux.h,v 1.7 2019/10/28 15:26:09 tsutsui 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 typedef long loff_t; 35 36 struct file_operations { 37 struct module *owner; 38 void (*llseek) (void); 39 ssize_t (*read) (struct file *, char *, size_t, loff_t *); 40 ssize_t (*write) (struct file *, const char *, size_t, loff_t *); 41 void (*readdir) (void); 42 void (*poll) (void); 43 void (*ioctl) (void); 44 void (*mmap) (void); 45 int (*open) (struct inode *, struct file *); 46 void (*flush) (void); 47 int (*release) (struct inode *, struct file *); 48 void (*fsync) (void); 49 void (*fasync) (void); 50 void (*lock) (void); 51 void (*readv) (void); 52 void (*writev) (void); 53 void (*sendpage) (void); 54 void (*get_unmapped_area)(void); 55 #ifdef MAGIC_ROM_PTR 56 void (*romptr) (void); 57 #endif /* MAGIC_ROM_PTR */ 58 }; 59 60 extern struct file *open_exec(const char *); 61 extern int kernel_read(struct file *, unsigned long, char *, unsigned long); 62 extern int memcmp(const void *, const void *, size_t); 63 extern int register_chrdev(unsigned int, const char *, struct file_operations *); 64 extern int unregister_chrdev(unsigned int, const char *); 65 extern void printk(const char *, ...) __printflike(1, 2); 66 extern void *memcpy(void *, const void *, size_t); 67 extern void *memset(void *, int, size_t); 68 69 /* procfs support */ 70 struct proc_dir_entry { 71 unsigned short low_ino; 72 unsigned short namelen; 73 const char *name; 74 unsigned short mode; 75 unsigned short nlink; 76 unsigned short uid; 77 unsigned short gid; 78 unsigned long size; 79 void *proc_iops; /* inode operations */ 80 struct file_operations * proc_fops; 81 void *get_info; 82 struct module *owner; 83 struct proc_dir_entry *next, *parent, *subdir; 84 void *data; 85 void *read_proc; 86 void *write_proc; 87 volatile int count; 88 int deleted; 89 unsigned short rdev; 90 }; 91 extern struct proc_dir_entry proc_root; 92 extern struct proc_dir_entry *proc_mknod(const char*, unsigned short, 93 struct proc_dir_entry*, unsigned short); 94 extern void remove_proc_entry(const char *, struct proc_dir_entry *); 95