1/* $NetBSD: linux_misc.h,v 1.25 2016/08/31 08:12:44 njoly 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 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31
32#ifndef _LINUX_MISC_H
33#define _LINUX_MISC_H
34
35/*
36 * Options passed to the Linux wait4() system call.
37 */
38#define LINUX_WAIT4_WNOHANG 0x00000001
39#define LINUX_WAIT4_WUNTRACED 0x00000002
40#define LINUX_WAIT4_WCONTINUED 0x00000008
41#define LINUX_WAIT4_WNOTHREAD 0x20000000
42#define LINUX_WAIT4_WALL 0x40000000
43#define LINUX_WAIT4_WCLONE 0x80000000
44
45#define LINUX_WAIT4_KNOWNFLAGS (LINUX_WAIT4_WNOHANG | \
46 LINUX_WAIT4_WUNTRACED | \
47 LINUX_WAIT4_WCONTINUED | \
48 LINUX_WAIT4_WNOTHREAD | \
49 LINUX_WAIT4_WALL | \
50 LINUX_WAIT4_WCLONE)
51
52/* This looks very unportable to me, but this is how Linux defines it. */
53struct linux_sysinfo {
54 long uptime;
55 unsigned long loads[3];
56#define LINUX_SYSINFO_LOADS_SCALE 65536
57 unsigned long totalram;
58 unsigned long freeram;
59 unsigned long sharedram;
60 unsigned long bufferram;
61 unsigned long totalswap;
62 unsigned long freeswap;
63 unsigned short procs;
64 unsigned long totalbig;
65 unsigned long freebig;
66 unsigned int mem_unit;
67 char _f[20-2*sizeof(long)-sizeof(int)];
68};
69
70#define LINUX_RLIMIT_CPU 0
71#define LINUX_RLIMIT_FSIZE 1
72#define LINUX_RLIMIT_DATA 2
73#define LINUX_RLIMIT_STACK 3
74#define LINUX_RLIMIT_CORE 4
75#define LINUX_RLIMIT_RSS 5
76#define LINUX_RLIMIT_NPROC 6
77#define LINUX_RLIMIT_NOFILE 7
78#define LINUX_RLIMIT_MEMLOCK 8
79#define LINUX_RLIMIT_AS 9
80#define LINUX_RLIMIT_LOCKS 10
81#ifdef __mips__ /* XXX only mips32. On mips64, it's ~0ul */
82#define LINUX_RLIM_INFINITY 0x7fffffffUL
83#define LINUX32_RLIM_INFINITY 0x7fffffffU
84#else
85#define LINUX_RLIM_INFINITY ~0ul
86#define LINUX32_RLIM_INFINITY ~0u
87#endif
88
89
90/* When we don't know what to do, let it believe it is local */
91#define LINUX_DEFAULT_SUPER_MAGIC LINUX_EXT2_SUPER_MAGIC
92
93#define LINUX_ADFS_SUPER_MAGIC 0x0000adf5
94#define LINUX_AFFS_SUPER_MAGIC 0x0000adff
95#define LINUX_CODA_SUPER_MAGIC 0x73757245
96#define LINUX_COH_SUPER_MAGIC (LINUX_SYSV_MAGIC_BASE + 4)
97#define LINUX_DEVFS_SUPER_MAGIC 0x00001373
98#define LINUX_EFS_SUPER_MAGIC 0x00414A53
99#define LINUX_EXT2_SUPER_MAGIC 0x0000EF53
100#define LINUX_HPFS_SUPER_MAGIC 0xf995e849
101#define LINUX_ISOFS_SUPER_MAGIC 0x00009660
102#define LINUX_MINIX2_SUPER_MAGIC 0x00002468
103#define LINUX_MINIX2_SUPER_MAGIC2 0x00002478
104#define LINUX_MINIX_SUPER_MAGIC 0x0000137F
105#define LINUX_MINIX_SUPER_MAGIC2 0x0000138F
106#define LINUX_MSDOS_SUPER_MAGIC 0x00004d44
107#define LINUX_NCP_SUPER_MAGIC 0x0000564c
108#define LINUX_NFS_SUPER_MAGIC 0x00006969
109#define LINUX_OPENPROM_SUPER_MAGIC 0x00009fa1
110#define LINUX_PROC_SUPER_MAGIC 0x00009fa0
111#define LINUX_QNX4_SUPER_MAGIC 0x0000002f
112#define LINUX_REISERFS_SUPER_MAGIC 0x52654973
113#define LINUX_SMB_SUPER_MAGIC 0x0000517B
114#define LINUX_SYSV2_SUPER_MAGIC (LINUX_SYSV_MAGIC_BASE + 3)
115#define LINUX_SYSV4_SUPER_MAGIC (LINUX_SYSV_MAGIC_BASE + 2)
116#define LINUX_SYSV_MAGIC_BASE 0x012FF7B3
117#define LINUX_TMPFS_SUPER_MAGIC 0x01021994
118#define LINUX_USBDEVICE_SUPER_MAGIC 0x00009fa2
119#define LINUX_DEVPTS_SUPER_MAGIC 0x00001cd1
120#define LINUX_XENIX_SUPER_MAGIC (LINUX_SYSV_MAGIC_BASE + 1)
121
122struct linux_mnttypes {
123 const char *mty_bsd;
124 int mty_linux;
125};
126extern const struct linux_mnttypes linux_fstypes[];
127extern const int linux_fstypes_cnt;
128
129/* Personality types. */
130#define LINUX_PER_QUERY 0xffffffff
131#define LINUX_PER_LINUX 0x00
132#define LINUX_PER_LINUX32 0x08
133#define LINUX_PER_MASK 0xff
134
135/* Personality flags. */
136#define LINUX_PER_ADDR_NO_RANDOMIZE 0x00040000
137
138/*
139 * Convert POSIX_FADV_* constants from Linux to NetBSD
140 * (it's f(x)=x everywhere except S390)
141 */
142#define linux_to_bsd_posix_fadv(advice) (advice)
143
144#ifdef _KERNEL
145__BEGIN_DECLS
146int bsd_to_linux_wstat(int);
147int linux_select1(struct lwp *, register_t *, int, fd_set *, fd_set *,
148 fd_set *, struct linux_timeval *);
149int linux_do_sys_utimensat(struct lwp *, int, const char *,
150 struct timespec *, int, register_t *);
151__END_DECLS
152#endif /* !_KERNEL */
153
154#endif /* !_LINUX_MISC_H */
155