Home | History | Annotate | Line # | Download | only in common
      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