1 /* $NetBSD: linux_misc.h,v 1.28 2023/07/29 12:58:51 rin 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. */ 53 struct 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) 121 122 struct linux_mnttypes { 123 const char *mty_bsd; 124 int mty_linux; 125 }; 126 extern const struct linux_mnttypes linux_fstypes[]; 127 extern 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 struct linux_epoll_event { 145 uint32_t events; 146 uint64_t data; 147 } 148 #if defined(__amd64__) 149 /* Only for x86_64. See include/uapi/linux/eventpoll.h. */ 150 __packed 151 #endif 152 ; 153 154 #ifdef _KERNEL 155 __BEGIN_DECLS 156 int bsd_to_linux_wstat(int); 157 int linux_select1(struct lwp *, register_t *, int, fd_set *, fd_set *, 158 fd_set *, struct linux_timeval *); 159 int linux_do_sys_utimensat(struct lwp *, int, const char *, 160 struct timespec *, int, register_t *); 161 int linux_do_futex(int *, int, int, struct timespec *, int *, int, int, 162 register_t *); 163 __END_DECLS 164 #endif /* !_KERNEL */ 165 166 #endif /* !_LINUX_MISC_H */ 167