1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright (c) 2006 Roman Divacky 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 #ifndef _LINUX_MISC_H_ 30 #define _LINUX_MISC_H_ 31 32 #define LINUX_MAX_PID_NS_LEVEL 32 33 34 /* bits per mask */ 35 #define LINUX_NFDBITS sizeof(l_fd_mask) * 8 36 37 /* 38 * Miscellaneous 39 */ 40 #define LINUX_NAME_MAX 255 41 #define LINUX_MAX_UTSNAME 65 42 43 #define LINUX_CTL_MAXNAME 10 44 45 /* defines for prctl */ 46 #define LINUX_PR_SET_PDEATHSIG 1 /* Second arg is a signal. */ 47 #define LINUX_PR_GET_PDEATHSIG 2 /* 48 * Second arg is a ptr to return the 49 * signal. 50 */ 51 #define LINUX_PR_GET_DUMPABLE 3 52 #define LINUX_PR_SET_DUMPABLE 4 53 #define LINUX_PR_GET_KEEPCAPS 7 /* Get drop capabilities on setuid */ 54 #define LINUX_PR_SET_KEEPCAPS 8 /* Set drop capabilities on setuid */ 55 #define LINUX_PR_SET_NAME 15 /* Set process name. */ 56 #define LINUX_PR_GET_NAME 16 /* Get process name. */ 57 #define LINUX_PR_GET_SECCOMP 21 58 #define LINUX_PR_SET_SECCOMP 22 59 #define LINUX_PR_CAPBSET_READ 23 60 #define LINUX_PR_SET_NO_NEW_PRIVS 38 61 #define LINUX_PR_SET_PTRACER 1499557217 62 63 #define LINUX_MAX_COMM_LEN 16 /* Maximum length of the process name. */ 64 65 /* For GET/SET DUMPABLE */ 66 #define LINUX_SUID_DUMP_DISABLE 0 /* Don't coredump setuid processes. */ 67 #define LINUX_SUID_DUMP_USER 1 /* Dump as user of process. */ 68 #define LINUX_SUID_DUMP_ROOT 2 /* Dump as root. */ 69 70 #define LINUX_MREMAP_MAYMOVE 1 71 #define LINUX_MREMAP_FIXED 2 72 73 #define LINUX_PATH_MAX 4096 74 75 /* 76 * Non-standard aux entry types used in Linux ELF binaries. 77 */ 78 79 #define LINUX_AT_PLATFORM 15 /* String identifying CPU */ 80 #define LINUX_AT_HWCAP 16 /* CPU capabilities */ 81 #define LINUX_AT_CLKTCK 17 /* frequency at which times() increments */ 82 #define LINUX_AT_SECURE 23 /* secure mode boolean */ 83 #define LINUX_AT_BASE_PLATFORM 24 /* string identifying real platform, may 84 * differ from AT_PLATFORM. 85 */ 86 #define LINUX_AT_RANDOM 25 /* address of random bytes */ 87 #define LINUX_AT_HWCAP2 26 /* CPU capabilities, second part */ 88 #define LINUX_AT_EXECFN 31 /* filename of program */ 89 #define LINUX_AT_SYSINFO 32 /* vsyscall */ 90 #define LINUX_AT_SYSINFO_EHDR 33 /* vdso header */ 91 92 #define LINUX_AT_RANDOM_LEN 16 /* size of random bytes */ 93 94 #ifndef LINUX_AT_MINSIGSTKSZ 95 #define LINUX_AT_MINSIGSTKSZ 51 /* min stack size required by the kernel */ 96 #endif 97 98 /* Linux sets the i387 to extended precision. */ 99 #if defined(__i386__) || defined(__amd64__) 100 #define __LINUX_NPXCW__ 0x37f 101 #endif 102 103 /* Scheduling policies */ 104 #define LINUX_SCHED_OTHER 0 105 #define LINUX_SCHED_FIFO 1 106 #define LINUX_SCHED_RR 2 107 108 #define LINUX_MAX_RT_PRIO 100 109 110 struct l_new_utsname { 111 char sysname[LINUX_MAX_UTSNAME]; 112 char nodename[LINUX_MAX_UTSNAME]; 113 char release[LINUX_MAX_UTSNAME]; 114 char version[LINUX_MAX_UTSNAME]; 115 char machine[LINUX_MAX_UTSNAME]; 116 char domainname[LINUX_MAX_UTSNAME]; 117 }; 118 119 #define LINUX_UTIME_NOW 0x3FFFFFFF 120 #define LINUX_UTIME_OMIT 0x3FFFFFFE 121 122 extern int stclohz; 123 124 #define LINUX_WNOHANG 0x00000001 125 #define LINUX_WUNTRACED 0x00000002 126 #define LINUX_WSTOPPED LINUX_WUNTRACED 127 #define LINUX_WEXITED 0x00000004 128 #define LINUX_WCONTINUED 0x00000008 129 #define LINUX_WNOWAIT 0x01000000 130 131 #define __WNOTHREAD 0x20000000 132 #define __WALL 0x40000000 133 #define __WCLONE 0x80000000 134 135 /* Linux waitid idtype */ 136 #define LINUX_P_ALL 0 137 #define LINUX_P_PID 1 138 #define LINUX_P_PGID 2 139 #define LINUX_P_PIDFD 3 140 141 #define LINUX_RLIMIT_LOCKS 10 142 #define LINUX_RLIMIT_SIGPENDING 11 143 #define LINUX_RLIMIT_MSGQUEUE 12 144 #define LINUX_RLIMIT_NICE 13 145 #define LINUX_RLIMIT_RTPRIO 14 146 #define LINUX_RLIMIT_RTTIME 15 147 148 #define LINUX_RLIM_INFINITY (~0UL) 149 150 /* Linux getrandom flags */ 151 #define LINUX_GRND_NONBLOCK 0x0001 152 #define LINUX_GRND_RANDOM 0x0002 153 154 /* Linux syslog flags */ 155 #define LINUX_SYSLOG_ACTION_READ_ALL 3 156 157 /* Linux seccomp flags */ 158 #define LINUX_SECCOMP_GET_ACTION_AVAIL 2 159 160 /* Linux /proc/self/oom_score_adj */ 161 #define LINUX_OOM_SCORE_ADJ_MIN -1000 162 #define LINUX_OOM_SCORE_ADJ_MAX 1000 163 164 #if defined(__aarch64__) || (defined(__amd64__) && !defined(COMPAT_LINUX32)) 165 int linux_ptrace_status(struct thread *td, int pid, int status); 166 #endif 167 void linux_to_bsd_waitopts(int options, int *bsdopts); 168 struct thread *linux_tdfind(struct thread *, lwpid_t, pid_t); 169 170 struct syscall_info { 171 uint8_t op; 172 uint32_t arch; 173 uint64_t instruction_pointer; 174 uint64_t stack_pointer; 175 union { 176 struct { 177 uint64_t nr; 178 uint64_t args[6]; 179 } entry; 180 struct { 181 int64_t rval; 182 uint8_t is_error; 183 } exit; 184 struct { 185 uint64_t nr; 186 uint64_t args[6]; 187 uint32_t ret_data; 188 } seccomp; 189 }; 190 }; 191 192 /* Linux ioprio set/get syscalls */ 193 #define LINUX_IOPRIO_CLASS_SHIFT 13 194 #define LINUX_IOPRIO_CLASS_MASK 0x07 195 #define LINUX_IOPRIO_PRIO_MASK ((1UL << LINUX_IOPRIO_CLASS_SHIFT) - 1) 196 197 #define LINUX_IOPRIO_PRIO_CLASS(ioprio) \ 198 (((ioprio) >> LINUX_IOPRIO_CLASS_SHIFT) & LINUX_IOPRIO_CLASS_MASK) 199 #define LINUX_IOPRIO_PRIO_DATA(ioprio) ((ioprio) & LINUX_IOPRIO_PRIO_MASK) 200 #define LINUX_IOPRIO_PRIO(class, data) \ 201 ((((class) & LINUX_IOPRIO_CLASS_MASK) << LINUX_IOPRIO_CLASS_SHIFT) | \ 202 ((data) & LINUX_IOPRIO_PRIO_MASK)) 203 204 #define LINUX_IOPRIO_CLASS_NONE 0 205 #define LINUX_IOPRIO_CLASS_RT 1 206 #define LINUX_IOPRIO_CLASS_BE 2 207 #define LINUX_IOPRIO_CLASS_IDLE 3 208 209 #define LINUX_IOPRIO_MIN 0 210 #define LINUX_IOPRIO_MAX 7 211 212 #define LINUX_IOPRIO_WHO_PROCESS 1 213 #define LINUX_IOPRIO_WHO_PGRP 2 214 #define LINUX_IOPRIO_WHO_USER 3 215 216 #endif /* _LINUX_MISC_H_ */ 217