projects / mirror_ubuntu-eoan-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| e2be04c7 | 1 | /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
| 9a8fd558 CZ |
2 | /* |
| 3 | * include/asm-xtensa/shmbuf.h | |
| 4 | * | |
| 5 | * The shmid64_ds structure for Xtensa architecture. | |
| 6 | * Note extra padding because this structure is passed back and forth | |
| 7 | * between kernel and user space. | |
| 8 | * | |
| 9 | * Pad space is left for: | |
| 10 | * - 64-bit time_t to solve y2038 problem | |
| 11 | * - 2 miscellaneous 32-bit values | |
| 12 | * | |
| 13 | * This file is subject to the terms and conditions of the GNU General Public | |
| 14 | * License. See the file "COPYING" in the main directory of this archive | |
| 15 | * for more details. | |
| 16 | * | |
| 17 | * Copyright (C) 2001 - 2005 Tensilica Inc. | |
| 18 | */ | |
| 19 | ||
| 20 | #ifndef _XTENSA_SHMBUF_H | |
| 21 | #define _XTENSA_SHMBUF_H | |
| 22 | ||
| fc4fb2ad | 23 | #if defined (__XTENSA_EL__) |
| 9a8fd558 CZ |
24 | struct shmid64_ds { |
| 25 | struct ipc64_perm shm_perm; /* operation perms */ | |
| 26 | size_t shm_segsz; /* size of segment (bytes) */ | |
| 27 | __kernel_time_t shm_atime; /* last attach time */ | |
| 28 | unsigned long __unused1; | |
| 29 | __kernel_time_t shm_dtime; /* last detach time */ | |
| 30 | unsigned long __unused2; | |
| 31 | __kernel_time_t shm_ctime; /* last change time */ | |
| 32 | unsigned long __unused3; | |
| 33 | __kernel_pid_t shm_cpid; /* pid of creator */ | |
| 34 | __kernel_pid_t shm_lpid; /* pid of last operator */ | |
| 35 | unsigned long shm_nattch; /* no. of current attaches */ | |
| 36 | unsigned long __unused4; | |
| 37 | unsigned long __unused5; | |
| 38 | }; | |
| fc4fb2ad CZ |
39 | #elif defined (__XTENSA_EB__) |
| 40 | struct shmid64_ds { | |
| 41 | struct ipc64_perm shm_perm; /* operation perms */ | |
| 42 | size_t shm_segsz; /* size of segment (bytes) */ | |
| 43 | __kernel_time_t shm_atime; /* last attach time */ | |
| 44 | unsigned long __unused1; | |
| 45 | __kernel_time_t shm_dtime; /* last detach time */ | |
| 46 | unsigned long __unused2; | |
| 47 | __kernel_time_t shm_ctime; /* last change time */ | |
| 48 | unsigned long __unused3; | |
| 49 | __kernel_pid_t shm_cpid; /* pid of creator */ | |
| 50 | __kernel_pid_t shm_lpid; /* pid of last operator */ | |
| 51 | unsigned long shm_nattch; /* no. of current attaches */ | |
| 52 | unsigned long __unused4; | |
| 53 | unsigned long __unused5; | |
| 54 | }; | |
| 55 | #else | |
| 56 | # error endian order not defined | |
| 57 | #endif | |
| 58 | ||
| 9a8fd558 CZ |
59 | |
| 60 | struct shminfo64 { | |
| 61 | unsigned long shmmax; | |
| 62 | unsigned long shmmin; | |
| 63 | unsigned long shmmni; | |
| 64 | unsigned long shmseg; | |
| 65 | unsigned long shmall; | |
| 66 | unsigned long __unused1; | |
| 67 | unsigned long __unused2; | |
| 68 | unsigned long __unused3; | |
| 69 | unsigned long __unused4; | |
| 70 | }; | |
| 71 | ||
| 72 | #endif /* _XTENSA_SHMBUF_H */ |