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 long shm_atime; /* last attach time */ 26 long shm_dtime; /* last detach time */ 27 long 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