| b.liu | e958203 | 2025-04-17 19:18:16 +0800 | [diff] [blame^] | 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 */ |