1 1.22 ryo /* $NetBSD: linux_mmap.h,v 1.22 2021/09/23 06:56:27 ryo Exp $ */ 2 1.2 erh 3 1.2 erh /*- 4 1.2 erh * Copyright (c) 1998 The NetBSD Foundation, Inc. 5 1.2 erh * All rights reserved. 6 1.2 erh * 7 1.2 erh * This code is derived from software contributed to The NetBSD Foundation 8 1.4 fvdl * by Frank van der Linden and Eric Haszlakiewicz. 9 1.2 erh * 10 1.2 erh * Redistribution and use in source and binary forms, with or without 11 1.2 erh * modification, are permitted provided that the following conditions 12 1.2 erh * are met: 13 1.2 erh * 1. Redistributions of source code must retain the above copyright 14 1.2 erh * notice, this list of conditions and the following disclaimer. 15 1.2 erh * 2. Redistributions in binary form must reproduce the above copyright 16 1.2 erh * notice, this list of conditions and the following disclaimer in the 17 1.2 erh * documentation and/or other materials provided with the distribution. 18 1.2 erh * 19 1.2 erh * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 1.2 erh * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 1.2 erh * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 1.2 erh * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 1.2 erh * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 1.2 erh * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 1.2 erh * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 1.2 erh * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 1.2 erh * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 1.2 erh * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 1.2 erh * POSSIBILITY OF SUCH DAMAGE. 30 1.1 fvdl */ 31 1.1 fvdl 32 1.3 christos #ifndef _LINUX_MMAP_H 33 1.3 christos #define _LINUX_MMAP_H 34 1.1 fvdl 35 1.1 fvdl #define LINUX_PROT_NONE 0x00 36 1.1 fvdl #define LINUX_PROT_READ 0x01 37 1.1 fvdl #define LINUX_PROT_WRITE 0x02 38 1.1 fvdl #define LINUX_PROT_EXEC 0x04 39 1.17 chs #define LINUX_PROT_GROWSDOWN 0x01000000 40 1.17 chs #define LINUX_PROT_GROWSUP 0x02000000 41 1.1 fvdl 42 1.1 fvdl #define LINUX_MAP_SHARED 0x0001 43 1.1 fvdl #define LINUX_MAP_PRIVATE 0x0002 44 1.1 fvdl 45 1.3 christos #if defined(__i386__) 46 1.3 christos #include <compat/linux/arch/i386/linux_mmap.h> 47 1.6 itohy #elif defined(__m68k__) 48 1.6 itohy #include <compat/linux/arch/m68k/linux_mmap.h> 49 1.3 christos #elif defined(__alpha__) 50 1.3 christos #include <compat/linux/arch/alpha/linux_mmap.h> 51 1.8 manu #elif defined(__powerpc__) 52 1.8 manu #include <compat/linux/arch/powerpc/linux_mmap.h> 53 1.10 manu #elif defined(__mips__) 54 1.10 manu #include <compat/linux/arch/mips/linux_mmap.h> 55 1.22 ryo #elif defined(__aarch64__) 56 1.22 ryo #include <compat/linux/arch/aarch64/linux_mmap.h> 57 1.11 bjh21 #elif defined(__arm__) 58 1.11 bjh21 #include <compat/linux/arch/arm/linux_mmap.h> 59 1.16 manu #elif defined(__amd64__) 60 1.16 manu #include <compat/linux/arch/amd64/linux_mmap.h> 61 1.3 christos /* 62 1.3 christos * XXX ERH: All below here are guesses. The header 63 1.3 christos * XXX ERH: files are correct but the defined(*) 64 1.3 christos * XXX ERH: probably aren't 65 1.3 christos * 66 1.3 christos * XXX ERH: Can probably drop some of these headers: linux 67 1.3 christos * XXX ERH: is stupid about compat stuff. It doesn't really 68 1.3 christos * XXX ERH: use all the defines, but I don't want to go looking 69 1.3 christos * XXX ERH: through all the kernel sources right now. 70 1.3 christos */ 71 1.7 chs #elif defined(__sparc__) 72 1.3 christos #include <compat/linux/arch/sparc/linux_mmap.h> 73 1.3 christos #else 74 1.3 christos #error Undefined linux_mmap.h machine type. 75 1.3 christos #endif 76 1.5 erh 77 1.5 erh /* 78 1.5 erh * Ensure the linux_sys_mmap syscall appears to exist: 79 1.5 erh */ 80 1.20 dsl struct linux_sys_mmap_args; 81 1.5 erh struct linux_sys_mmap_args { 82 1.5 erh syscallarg(unsigned long) addr; 83 1.5 erh syscallarg(size_t) len; 84 1.5 erh syscallarg(int) prot; 85 1.5 erh syscallarg(int) flags; 86 1.5 erh syscallarg(int) fd; 87 1.9 manu syscallarg(linux_off_t) offset; 88 1.5 erh }; 89 1.5 erh 90 1.15 christos /* 91 1.15 christos * Same arguments, but different meaning for "offset". 92 1.15 christos * See linux_misc.c:linux_sys_mmap2(). 93 1.15 christos */ 94 1.15 christos #define linux_sys_mmap2_args linux_sys_mmap_args 95 1.15 christos 96 1.5 erh #ifdef _KERNEL 97 1.5 erh __BEGIN_DECLS 98 1.20 dsl int linux_sys_mmap(struct lwp *p, const struct linux_sys_mmap_args *v, register_t *retval); 99 1.20 dsl int linux_sys_mmap2(struct lwp *p, const struct linux_sys_mmap2_args *v, register_t *retval); 100 1.20 dsl 101 1.5 erh __END_DECLS 102 1.5 erh #endif /* !_KERNEL */ 103 1.3 christos 104 1.3 christos #endif /* !_LINUX_MMAP_H */ 105