1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2 #ifndef __S390_IPCBUF_H__ 3 #define __S390_IPCBUF_H__ 4 5 /* 6 * The user_ipc_perm structure for S/390 architecture. 7 * Note extra padding because this structure is passed back and forth 8 * between kernel and user space. 9 * 10 * Pad space is left for: 11 * - 32-bit mode_t and seq 12 * - 2 miscellaneous 32-bit values 13 */ 14 15 struct ipc64_perm 16 { 17 __kernel_key_t key; 18 __kernel_uid32_t uid; 19 __kernel_gid32_t gid; 20 __kernel_uid32_t cuid; 21 __kernel_gid32_t cgid; 22 __kernel_mode_t mode; 23 unsigned short __pad1; 24 unsigned short seq; 25 #ifndef __s390x__ 26 unsigned short __pad2; 27 #endif /* ! __s390x__ */ 28 unsigned long __unused1; 29 unsigned long __unused2; 30 }; 31 32 #endif /* __S390_IPCBUF_H__ */ 33