1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */ 2*4882a593Smuzhiyun #ifndef _ASM_POWERPC_SHMBUF_H 3*4882a593Smuzhiyun #define _ASM_POWERPC_SHMBUF_H 4*4882a593Smuzhiyun 5*4882a593Smuzhiyun /* 6*4882a593Smuzhiyun * This program is free software; you can redistribute it and/or 7*4882a593Smuzhiyun * modify it under the terms of the GNU General Public License 8*4882a593Smuzhiyun * as published by the Free Software Foundation; either version 9*4882a593Smuzhiyun * 2 of the License, or (at your option) any later version. 10*4882a593Smuzhiyun */ 11*4882a593Smuzhiyun 12*4882a593Smuzhiyun /* 13*4882a593Smuzhiyun * The shmid64_ds structure for PPC architecture. 14*4882a593Smuzhiyun * 15*4882a593Smuzhiyun * Note extra padding because this structure is passed back and forth 16*4882a593Smuzhiyun * between kernel and user space. 17*4882a593Smuzhiyun * 18*4882a593Smuzhiyun * Pad space is left for: 19*4882a593Smuzhiyun * - 2 miscellaneous 32-bit values 20*4882a593Smuzhiyun */ 21*4882a593Smuzhiyun 22*4882a593Smuzhiyun struct shmid64_ds { 23*4882a593Smuzhiyun struct ipc64_perm shm_perm; /* operation perms */ 24*4882a593Smuzhiyun #ifdef __powerpc64__ 25*4882a593Smuzhiyun long shm_atime; /* last attach time */ 26*4882a593Smuzhiyun long shm_dtime; /* last detach time */ 27*4882a593Smuzhiyun long shm_ctime; /* last change time */ 28*4882a593Smuzhiyun #else 29*4882a593Smuzhiyun unsigned long shm_atime_high; 30*4882a593Smuzhiyun unsigned long shm_atime; /* last attach time */ 31*4882a593Smuzhiyun unsigned long shm_dtime_high; 32*4882a593Smuzhiyun unsigned long shm_dtime; /* last detach time */ 33*4882a593Smuzhiyun unsigned long shm_ctime_high; 34*4882a593Smuzhiyun unsigned long shm_ctime; /* last change time */ 35*4882a593Smuzhiyun unsigned long __unused4; 36*4882a593Smuzhiyun #endif 37*4882a593Smuzhiyun size_t shm_segsz; /* size of segment (bytes) */ 38*4882a593Smuzhiyun __kernel_pid_t shm_cpid; /* pid of creator */ 39*4882a593Smuzhiyun __kernel_pid_t shm_lpid; /* pid of last operator */ 40*4882a593Smuzhiyun unsigned long shm_nattch; /* no. of current attaches */ 41*4882a593Smuzhiyun unsigned long __unused5; 42*4882a593Smuzhiyun unsigned long __unused6; 43*4882a593Smuzhiyun }; 44*4882a593Smuzhiyun 45*4882a593Smuzhiyun struct shminfo64 { 46*4882a593Smuzhiyun unsigned long shmmax; 47*4882a593Smuzhiyun unsigned long shmmin; 48*4882a593Smuzhiyun unsigned long shmmni; 49*4882a593Smuzhiyun unsigned long shmseg; 50*4882a593Smuzhiyun unsigned long shmall; 51*4882a593Smuzhiyun unsigned long __unused1; 52*4882a593Smuzhiyun unsigned long __unused2; 53*4882a593Smuzhiyun unsigned long __unused3; 54*4882a593Smuzhiyun unsigned long __unused4; 55*4882a593Smuzhiyun }; 56*4882a593Smuzhiyun 57*4882a593Smuzhiyun #endif /* _ASM_POWERPC_SHMBUF_H */ 58