diff options
Diffstat (limited to 'arch/xtensa/include/asm/shmbuf.h')
| -rw-r--r-- | arch/xtensa/include/asm/shmbuf.h | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/arch/xtensa/include/asm/shmbuf.h b/arch/xtensa/include/asm/shmbuf.h new file mode 100644 index 000000000000..ad4b0121782c --- /dev/null +++ b/arch/xtensa/include/asm/shmbuf.h | |||
| @@ -0,0 +1,71 @@ | |||
| 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 | |||
| 22 | #if defined (__XTENSA_EL__) | ||
| 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 | }; | ||
| 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 | |||
| 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 */ | ||