xref: /netbsd-src/sys/compat/linux/common/linux_misc.h (revision 8b0f9554ff8762542c4defc4f70e1eb76fb508fa)
1 /*	$NetBSD: linux_misc.h,v 1.15 2007/12/04 18:40:16 dsl Exp $	*/
2 
3 /*-
4  * Copyright (c) 1998 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to The NetBSD Foundation
8  * by Eric Haszlakiewicz.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  * 3. All advertising materials mentioning features or use of this software
19  *    must display the following acknowledgement:
20  *	This product includes software developed by the NetBSD
21  *	Foundation, Inc. and its contributors.
22  * 4. Neither the name of The NetBSD Foundation nor the names of its
23  *    contributors may be used to endorse or promote products derived
24  *    from this software without specific prior written permission.
25  *
26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36  * POSSIBILITY OF SUCH DAMAGE.
37  */
38 
39 #ifndef _LINUX_MISC_H
40 #define _LINUX_MISC_H
41 
42 /*
43  * Options passed to the Linux wait4() system call.
44  */
45 #define LINUX_WAIT4_WNOHANG   0x00000001
46 #define LINUX_WAIT4_WUNTRACED 0x00000002
47 #define LINUX_WAIT4_WNOTHREAD 0x20000000
48 #define LINUX_WAIT4_WALL      0x40000000
49 #define LINUX_WAIT4_WCLONE    0x80000000
50 
51 #define LINUX_WAIT4_KNOWNFLAGS (LINUX_WAIT4_WNOHANG | \
52                                 LINUX_WAIT4_WUNTRACED | \
53                                 LINUX_WAIT4_WNOTHREAD | \
54                                 LINUX_WAIT4_WALL | \
55                                 LINUX_WAIT4_WCLONE)
56 
57 /* This looks very unportable to me, but this is how Linux defines it. */
58 struct linux_sysinfo {
59 	long uptime;
60 	unsigned long loads[3];
61 #define LINUX_SYSINFO_LOADS_SCALE 65536
62 	unsigned long totalram;
63 	unsigned long freeram;
64 	unsigned long sharedram;
65 	unsigned long bufferram;
66 	unsigned long totalswap;
67 	unsigned long freeswap;
68 	unsigned short procs;
69 	unsigned long totalbig;
70 	unsigned long freebig;
71 	unsigned int mem_unit;
72 	char _f[20-2*sizeof(long)-sizeof(int)];
73 };
74 
75 #define	LINUX_RLIMIT_CPU	0
76 #define	LINUX_RLIMIT_FSIZE	1
77 #define	LINUX_RLIMIT_DATA	2
78 #define	LINUX_RLIMIT_STACK	3
79 #define	LINUX_RLIMIT_CORE	4
80 #define	LINUX_RLIMIT_RSS	5
81 #define	LINUX_RLIMIT_NPROC	6
82 #define	LINUX_RLIMIT_NOFILE	7
83 #define	LINUX_RLIMIT_MEMLOCK	8
84 #define	LINUX_RLIMIT_AS		9
85 #define	LINUX_RLIMIT_LOCKS	10
86 #ifdef __mips__  /* XXX only mips32. On mips64, it's ~0ul */
87 #define	LINUX_RLIM_INFINITY	0x7fffffffUL
88 #else
89 #define	LINUX_RLIM_INFINITY	~0ul
90 #endif
91 
92 
93 /* When we don't know what to do, let it believe it is local */
94 #define	LINUX_DEFAULT_SUPER_MAGIC	LINUX_EXT2_SUPER_MAGIC
95 
96 #define	LINUX_ADFS_SUPER_MAGIC		0x0000adf5
97 #define	LINUX_AFFS_SUPER_MAGIC		0x0000adff
98 #define	LINUX_CODA_SUPER_MAGIC		0x73757245
99 #define	LINUX_COH_SUPER_MAGIC		(LINUX_SYSV_MAGIC_BASE + 4)
100 #define	LINUX_DEVFS_SUPER_MAGIC		0x00001373
101 #define	LINUX_EFS_SUPER_MAGIC		0x00414A53
102 #define	LINUX_EXT2_SUPER_MAGIC		0x0000EF53
103 #define	LINUX_HPFS_SUPER_MAGIC		0xf995e849
104 #define	LINUX_ISOFS_SUPER_MAGIC		0x00009660
105 #define	LINUX_MINIX2_SUPER_MAGIC	0x00002468
106 #define	LINUX_MINIX2_SUPER_MAGIC2	0x00002478
107 #define	LINUX_MINIX_SUPER_MAGIC		0x0000137F
108 #define	LINUX_MINIX_SUPER_MAGIC2	0x0000138F
109 #define	LINUX_MSDOS_SUPER_MAGIC		0x00004d44
110 #define	LINUX_NCP_SUPER_MAGIC		0x0000564c
111 #define	LINUX_NFS_SUPER_MAGIC		0x00006969
112 #define	LINUX_OPENPROM_SUPER_MAGIC	0x00009fa1
113 #define	LINUX_PROC_SUPER_MAGIC		0x00009fa0
114 #define	LINUX_QNX4_SUPER_MAGIC		0x0000002f
115 #define	LINUX_REISERFS_SUPER_MAGIC	0x52654973
116 #define	LINUX_SMB_SUPER_MAGIC		0x0000517B
117 #define	LINUX_SYSV2_SUPER_MAGIC		(LINUX_SYSV_MAGIC_BASE + 3)
118 #define	LINUX_SYSV4_SUPER_MAGIC		(LINUX_SYSV_MAGIC_BASE + 2)
119 #define	LINUX_SYSV_MAGIC_BASE		0x012FF7B3
120 #define	LINUX_USBDEVICE_SUPER_MAGIC	0x00009fa2
121 #define	LINUX_DEVPTS_SUPER_MAGIC	0x00001cd1
122 #define	LINUX_XENIX_SUPER_MAGIC		(LINUX_SYSV_MAGIC_BASE + 1)
123 
124 struct linux_mnttypes {
125 	const char *bsd;
126 	int linux;
127 };
128 extern const struct linux_mnttypes linux_fstypes[];
129 extern const int linux_fstypes_cnt;
130 
131 #ifdef _KERNEL
132 __BEGIN_DECLS
133 int bsd_to_linux_wstat(int);
134 int linux_select1(struct lwp *, register_t *, int, fd_set *, fd_set *,
135 		       fd_set *, struct timeval *);
136 __END_DECLS
137 #endif /* !_KERNEL */
138 
139 #endif /* !_LINUX_MISC_H */
140