1 /* $NetBSD: linux_shm.h,v 1.8 2006/02/09 19:18:56 manu 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 uint l_shm_segsz;
64 linux_time_t l_shm_atime;
65 u_long l____unused1;
66 linux_time_t l_shm_dtime;
67 u_long l____unused2;
68 linux_time_t l_shm_ctime;
69 u_long l____unused3;
70 int l_shm_cpid;
71 int l_shm_lpid;
72 u_long l_shm_nattch;
73 u_long l___unused4;
74 u_long l___unused5;
75 };
76
77 struct linux_shminfo64 {
78 u_long l_shmmax;
79 u_long l_shmmin;
80 u_long l_shmmni;
81 u_long l_shmseg;
82 u_long l_shmall;
83 u_long l___unused1;
84 u_long l___unused2;
85 u_long l___unused3;
86 u_long l___unused4;
87 };
88
89 struct linux_shm_info {
90 int l_used_ids;
91 u_long l_shm_tot;
92 u_long l_shm_rss;
93 u_long l_shm_swp;
94 u_long l_swap_attempts;
95 u_long l_swap_successes;
96 };
97
98 #define LINUX_SHM_RDONLY 0x1000
99 #define LINUX_SHM_RND 0x2000
100 #define LINUX_SHM_REMAP 0x4000
101
102 #define LINUX_SHM_LOCK 11
103 #define LINUX_SHM_UNLOCK 12
104 #define LINUX_SHM_STAT 13
105 #define LINUX_SHM_INFO 14
106
107
108 /* Pretend the sys_shmat and sys_shmctl syscalls are defined */
109 #ifndef __amd64__
110 struct linux_sys_shmat_args {
111 syscallarg(int) shmid;
112 syscallarg(void *) shmaddr;
113 syscallarg(int) shmflg;
114 syscallarg(u_long *) raddr;
115 };
116
117 struct linux_sys_shmctl_args {
118 syscallarg(int) shmid;
119 syscallarg(int) cmd;
120 syscallarg(struct linux_shmid_ds *) buf;
121 };
122 #endif
123
124 #ifdef SYSVSHM
125 #ifdef _KERNEL
126 __BEGIN_DECLS
127 int linux_sys_shmget __P((struct lwp *, void *, register_t *));
128 int linux_sys_shmat __P((struct lwp *, void *, register_t *));
129 int linux_sys_shmctl __P((struct lwp *, void *, register_t *));
130 void linux_to_bsd_shmid_ds __P((struct linux_shmid_ds *,
131 struct shmid_ds *));
132 void linux_to_bsd_shmid64_ds __P((struct linux_shmid64_ds *,
133 struct shmid_ds *));
134 void bsd_to_linux_shmid_ds __P((struct shmid_ds *,
135 struct linux_shmid_ds *));
136 void bsd_to_linux_shmid64_ds __P((struct shmid_ds *,
137 struct linux_shmid64_ds *));
138 __END_DECLS
139 #endif /* !_KERNEL */
140 #endif /* !SYSVSHM */
141
142 #endif /* !_LINUX_SHM_H */
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