| Chris Zankel | 9a8fd55 | 2005-06-23 22:01:26 -0700 | [diff] [blame] | 1 | /* |
| 2 | * include/asm-xtensa/shmbuf.h |
| 3 | * |
| 4 | * The shmid64_ds structure for Xtensa architecture. |
| 5 | * Note extra padding because this structure is passed back and forth |
| 6 | * between kernel and user space. |
| 7 | * |
| 8 | * Pad space is left for: |
| 9 | * - 64-bit time_t to solve y2038 problem |
| 10 | * - 2 miscellaneous 32-bit values |
| 11 | * |
| 12 | * This file is subject to the terms and conditions of the GNU General Public |
| 13 | * License. See the file "COPYING" in the main directory of this archive |
| 14 | * for more details. |
| 15 | * |
| 16 | * Copyright (C) 2001 - 2005 Tensilica Inc. |
| 17 | */ |
| 18 | |
| 19 | #ifndef _XTENSA_SHMBUF_H |
| 20 | #define _XTENSA_SHMBUF_H |
| 21 | |
| Chris Zankel | fc4fb2a | 2006-12-10 02:18:52 -0800 | [diff] [blame] | 22 | #if defined (__XTENSA_EL__) |
| Chris Zankel | 9a8fd55 | 2005-06-23 22:01:26 -0700 | [diff] [blame] | 23 | struct shmid64_ds { |
| 24 | struct ipc64_perm shm_perm; /* operation perms */ |
| 25 | size_t shm_segsz; /* size of segment (bytes) */ |
| 26 | __kernel_time_t shm_atime; /* last attach time */ |
| 27 | unsigned long __unused1; |
| 28 | __kernel_time_t shm_dtime; /* last detach time */ |
| 29 | unsigned long __unused2; |
| 30 | __kernel_time_t shm_ctime; /* last change time */ |
| 31 | unsigned long __unused3; |
| 32 | __kernel_pid_t shm_cpid; /* pid of creator */ |
| 33 | __kernel_pid_t shm_lpid; /* pid of last operator */ |
| 34 | unsigned long shm_nattch; /* no. of current attaches */ |
| 35 | unsigned long __unused4; |
| 36 | unsigned long __unused5; |
| 37 | }; |
| Chris Zankel | fc4fb2a | 2006-12-10 02:18:52 -0800 | [diff] [blame] | 38 | #elif defined (__XTENSA_EB__) |
| 39 | struct shmid64_ds { |
| 40 | struct ipc64_perm shm_perm; /* operation perms */ |
| 41 | size_t shm_segsz; /* size of segment (bytes) */ |
| 42 | __kernel_time_t shm_atime; /* last attach time */ |
| 43 | unsigned long __unused1; |
| 44 | __kernel_time_t shm_dtime; /* last detach time */ |
| 45 | unsigned long __unused2; |
| 46 | __kernel_time_t shm_ctime; /* last change time */ |
| 47 | unsigned long __unused3; |
| 48 | __kernel_pid_t shm_cpid; /* pid of creator */ |
| 49 | __kernel_pid_t shm_lpid; /* pid of last operator */ |
| 50 | unsigned long shm_nattch; /* no. of current attaches */ |
| 51 | unsigned long __unused4; |
| 52 | unsigned long __unused5; |
| 53 | }; |
| 54 | #else |
| 55 | # error endian order not defined |
| 56 | #endif |
| 57 | |
| Chris Zankel | 9a8fd55 | 2005-06-23 22:01:26 -0700 | [diff] [blame] | 58 | |
| 59 | struct shminfo64 { |
| 60 | unsigned long shmmax; |
| 61 | unsigned long shmmin; |
| 62 | unsigned long shmmni; |
| 63 | unsigned long shmseg; |
| 64 | unsigned long shmall; |
| 65 | unsigned long __unused1; |
| 66 | unsigned long __unused2; |
| 67 | unsigned long __unused3; |
| 68 | unsigned long __unused4; |
| 69 | }; |
| 70 | |
| 71 | #endif /* _XTENSA_SHMBUF_H */ |