sys/compat/linux/common/linux_shm.h

   1 /*      $NetBSD: linux_shm.h,v 1.10 2007/12/20 23:02:56 dsl Exp $       */
   2
   3 /*-
   4  * Copyright (c) 1995, 1998 The NetBSD Foundation, Inc.
   5  * All rights reserved.
   6  *
   7  * This code is derived from software contributed to The NetBSD Foundation
   8  * by Frank van der Linden and 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  * 3. All advertising materials mentioning features or use of this software
  19  *    must display the following acknowledgement:
  20  *      This product includes software developed by the NetBSD
  21  *      Foundation, Inc. and its contributors.
  22  * 4. Neither the name of The NetBSD Foundation nor the names of its
  23  *    contributors may be used to endorse or promote products derived
  24  *    from this software without specific prior written permission.
  25  *
  26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  36  * POSSIBILITY OF SUCH DAMAGE.
  37  */
  38
  39 #ifndef _LINUX_SHM_H
  40 #define _LINUX_SHM_H
  41
  42 #include <sys/shm.h>
  43
  44 /*
  45  * shm segment control structure
  46  */
  47 struct linux_shmid_ds {
  48         struct linux_ipc_perm   l_shm_perm;
  49         int                     l_shm_segsz;
  50         linux_time_t            l_shm_atime;
  51         linux_time_t            l_shm_dtime;
  52         linux_time_t            l_shm_ctime;
  53         ushort                  l_shm_cpid;
  54         ushort                  l_shm_lpid;
  55         short                   l_shm_nattch;
  56         ushort                  l_private1;
  57         void                    *l_private2;
  58         void                    *l_private3;
  59 };
  60
  61 struct linux_shmid64_ds {
  62         struct linux_ipc64_perm l_shm_perm;
  63         size_t                  l_shm_segsz;
  64         linux_time_t            l_shm_atime;
  65 #ifndef _LP64
  66         u_long                  l____unused1;
  67 #endif
  68         linux_time_t            l_shm_dtime;
  69 #ifndef _LP64
  70         u_long                  l____unused2;
  71 #endif
  72         linux_time_t            l_shm_ctime;
  73 #ifndef _LP64
  74         u_long                  l____unused3;
  75 #endif
  76         int                     l_shm_cpid;
  77         int                     l_shm_lpid;
  78         u_long                  l_shm_nattch;
  79         u_long                  l___unused4;
  80         u_long                  l___unused5;
  81 };
  82
  83 struct linux_shminfo64 {
  84         u_long                  l_shmmax;
  85         u_long                  l_shmmin;
  86         u_long                  l_shmmni;
  87         u_long                  l_shmseg;
  88         u_long                  l_shmall;
  89         u_long                  l___unused1;
  90         u_long                  l___unused2;
  91         u_long                  l___unused3;
  92         u_long                  l___unused4;
  93 };
  94
  95 struct linux_shm_info {
  96         int                     l_used_ids;
  97         u_long                  l_shm_tot;
  98         u_long                  l_shm_rss;
  99         u_long                  l_shm_swp;
 100         u_long                  l_swap_attempts;
 101         u_long                  l_swap_successes;
 102 };
 103
 104 #define LINUX_SHM_RDONLY        0x1000
 105 #define LINUX_SHM_RND           0x2000
 106 #define LINUX_SHM_REMAP         0x4000
 107
 108 #define LINUX_SHM_LOCK          11
 109 #define LINUX_SHM_UNLOCK        12
 110 #define LINUX_SHM_STAT          13
 111 #define LINUX_SHM_INFO          14
 112
 113
 114 /* Pretend the sys_shmat and sys_shmctl syscalls are defined */
 115 struct linux_sys_shmat_args {
 116         syscallarg(int) shmid;
 117         syscallarg(void *) shmaddr;
 118         syscallarg(int) shmflg;
 119         syscallarg(u_long *) raddr;
 120 };
 121
 122 struct linux_sys_shmctl_args {
 123         syscallarg(int) shmid;
 124         syscallarg(int) cmd;
 125         syscallarg(struct linux_shmid_ds *) buf;
 126 };
 127
 128 struct linux_sys_shmget_args {
 129         syscallarg(key_t) key;
 130         syscallarg(size_t) size;
 131         syscallarg(int) shmflg;
 132 };
 133
 134 #ifdef SYSVSHM
 135 #ifdef _KERNEL
 136 __BEGIN_DECLS
 137 int linux_sys_shmget(struct lwp *, const struct linux_sys_shmget_args *, register_t *);
 138 int linux_sys_shmat(struct lwp *, const struct linux_sys_shmat_args *, register_t *);
 139 int linux_sys_shmctl(struct lwp *, const struct linux_sys_shmctl_args *, register_t *);
 140 void linux_to_bsd_shmid_ds(struct linux_shmid_ds *,
 141     struct shmid_ds *);
 142 void linux_to_bsd_shmid64_ds(struct linux_shmid64_ds *,
 143     struct shmid_ds *);
 144 void bsd_to_linux_shmid_ds(struct shmid_ds *,
 145     struct linux_shmid_ds *);
 146 void bsd_to_linux_shmid64_ds(struct shmid_ds *,
 147     struct linux_shmid64_ds *);
 148 __END_DECLS
 149 #endif  /* !_KERNEL */
 150 #endif  /* !SYSVSHM */
 151
 152 #endif /* !_LINUX_SHM_H */