1 #ifndef __S390_IPCBUF_H__ 2 #define __S390_IPCBUF_H__ 3 4 /* 5 * The user_ipc_perm structure for S/390 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 * - 32-bit mode_t and seq 11 * - 2 miscellaneous 32-bit values 12 */ 13 14 struct ipc64_perm 15 { 16 __kernel_key_t key; 17 __kernel_uid32_t uid; 18 __kernel_gid32_t gid; 19 __kernel_uid32_t cuid; 20 __kernel_gid32_t cgid; 21 __kernel_mode_t mode; 22 unsigned short __pad1; 23 unsigned short seq; 24 #ifndef __s390x__ 25 unsigned short __pad2; 26 #endif /* ! __s390x__ */ 27 unsigned long __unused1; 28 unsigned long __unused2; 29 }; 30 31 #endif /* __S390_IPCBUF_H__ */ 32