diff options
Diffstat (limited to 'arch/blackfin/include/asm/shmbuf.h')
| -rw-r--r-- | arch/blackfin/include/asm/shmbuf.h | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/arch/blackfin/include/asm/shmbuf.h b/arch/blackfin/include/asm/shmbuf.h new file mode 100644 index 000000000000..612436303e89 --- /dev/null +++ b/arch/blackfin/include/asm/shmbuf.h @@ -0,0 +1,42 @@ +#ifndef _BFIN_SHMBUF_H +#define _BFIN_SHMBUF_H + +/* + * The shmid64_ds structure for bfin architecture. + * Note extra padding because this structure is passed back and forth + * between kernel and user space. + * + * Pad space is left for: + * - 64-bit time_t to solve y2038 problem + * - 2 miscellaneous 32-bit values + */ + +struct shmid64_ds { + struct ipc64_perm shm_perm; /* operation perms */ + size_t shm_segsz; /* size of segment (bytes) */ + __kernel_time_t shm_atime; /* last attach time */ + unsigned long __unused1; + __kernel_time_t shm_dtime; /* last detach time */ + unsigned long __unused2; + __kernel_time_t shm_ctime; /* last change time */ + unsigned long __unused3; + __kernel_pid_t shm_cpid; /* pid of creator */ + __kernel_pid_t shm_lpid; /* pid of last operator */ + unsigned long shm_nattch; /* no. of current attaches */ + unsigned long __unused4; + unsigned long __unused5; +}; + +struct shminfo64 { + unsigned long shmmax; + unsigned long shmmin; + unsigned long shmmni; + unsigned long shmseg; + unsigned long shmall; + unsigned long __unused1; + unsigned long __unused2; + unsigned long __unused3; + unsigned long __unused4; +}; + +#endif /* _BFIN_SHMBUF_H */ |