1 /* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
2 #ifndef _ASM_POWERPC_SHMBUF_H
3 #define _ASM_POWERPC_SHMBUF_H
4 
5 /*
6  * This program is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU General Public License
8  * as published by the Free Software Foundation; either version
9  * 2 of the License, or (at your option) any later version.
10  */
11 
12 /*
13  * The shmid64_ds structure for PPC architecture.
14  *
15  * Note extra padding because this structure is passed back and forth
16  * between kernel and user space.
17  *
18  * Pad space is left for:
19  * - 2 miscellaneous 32-bit values
20  */
21 
22 struct shmid64_ds {
23 	struct ipc64_perm	shm_perm;	/* operation perms */
24 #ifdef __powerpc64__
25 	__kernel_time_t		shm_atime;	/* last attach time */
26 	__kernel_time_t		shm_dtime;	/* last detach time */
27 	__kernel_time_t		shm_ctime;	/* last change time */
28 #else
29 	unsigned long		shm_atime_high;
30 	unsigned long		shm_atime;	/* last attach time */
31 	unsigned long		shm_dtime_high;
32 	unsigned long		shm_dtime;	/* last detach time */
33 	unsigned long		shm_ctime_high;
34 	unsigned long		shm_ctime;	/* last change time */
35 	unsigned long		__unused4;
36 #endif
37 	size_t			shm_segsz;	/* size of segment (bytes) */
38 	__kernel_pid_t		shm_cpid;	/* pid of creator */
39 	__kernel_pid_t		shm_lpid;	/* pid of last operator */
40 	unsigned long		shm_nattch;	/* no. of current attaches */
41 	unsigned long		__unused5;
42 	unsigned long		__unused6;
43 };
44 
45 struct shminfo64 {
46 	unsigned long	shmmax;
47 	unsigned long	shmmin;
48 	unsigned long	shmmni;
49 	unsigned long	shmseg;
50 	unsigned long	shmall;
51 	unsigned long	__unused1;
52 	unsigned long	__unused2;
53 	unsigned long	__unused3;
54 	unsigned long	__unused4;
55 };
56 
57 #endif	/* _ASM_POWERPC_SHMBUF_H */
58