1 /* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
2 #ifndef _ASM_POWERPC_SHMBUF_H
3 #define _ASM_POWERPC_SHMBUF_H
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.
13 * The shmid64_ds structure for PPC architecture.
15 * Note extra padding because this structure is passed back and forth
16 * between kernel and user space.
18 * Pad space is left for:
19 * - 64-bit time_t to solve y2038 problem
20 * - 2 miscellaneous 32-bit values
24 struct ipc64_perm shm_perm; /* operation perms */
26 unsigned long __unused1;
28 __kernel_time_t shm_atime; /* last attach time */
30 unsigned long __unused2;
32 __kernel_time_t shm_dtime; /* last detach time */
34 unsigned long __unused3;
36 __kernel_time_t shm_ctime; /* last change time */
38 unsigned long __unused4;
40 size_t shm_segsz; /* size of segment (bytes) */
41 __kernel_pid_t shm_cpid; /* pid of creator */
42 __kernel_pid_t shm_lpid; /* pid of last operator */
43 unsigned long shm_nattch; /* no. of current attaches */
44 unsigned long __unused5;
45 unsigned long __unused6;
54 unsigned long __unused1;
55 unsigned long __unused2;
56 unsigned long __unused3;
57 unsigned long __unused4;
60 #endif /* _ASM_POWERPC_SHMBUF_H */