xref: /netbsd-src/sys/arch/zaurus/stand/zbsdmod/compat_linux.h (revision bdc22b2e01993381dcefeff2bc9b56ca75a4235c)
1 /*	$NetBSD: compat_linux.h,v 1.6 2011/12/11 14:05:39 nonaka 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 
68 /* procfs support */
69 struct proc_dir_entry {
70         unsigned short low_ino;
71         unsigned short namelen;
72         const char *name;
73         unsigned short mode;
74         unsigned short nlink;
75         unsigned short uid;
76         unsigned short gid;
77         unsigned long size;
78         void *proc_iops; /* inode operations */
79         struct file_operations * proc_fops;
80         void *get_info;
81         struct module *owner;
82         struct proc_dir_entry *next, *parent, *subdir;
83         void *data;
84         void *read_proc;
85         void *write_proc;
86         volatile int count;
87         int deleted;
88         unsigned short rdev;
89 };
90 extern	struct proc_dir_entry proc_root;
91 extern	struct proc_dir_entry *proc_mknod(const char*, unsigned short,
92     struct proc_dir_entry*, unsigned short);
93 extern	void remove_proc_entry(const char *, struct proc_dir_entry *);
94