1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2 #ifndef __S390_IPCBUF_H__
3 #define __S390_IPCBUF_H__
4 
5 #include <linux/posix_types.h>
6 
7 /*
8  * The user_ipc_perm structure for S/390 architecture.
9  * Note extra padding because this structure is passed back and forth
10  * between kernel and user space.
11  *
12  * Pad space is left for:
13  * - 32-bit mode_t and seq
14  * - 2 miscellaneous 32-bit values
15  */
16 
17 struct ipc64_perm
18 {
19 	__kernel_key_t		key;
20 	__kernel_uid32_t	uid;
21 	__kernel_gid32_t	gid;
22 	__kernel_uid32_t	cuid;
23 	__kernel_gid32_t	cgid;
24 	__kernel_mode_t		mode;
25 	unsigned short		__pad1;
26 	unsigned short		seq;
27 #ifndef __s390x__
28 	unsigned short		__pad2;
29 #endif /* ! __s390x__ */
30 	unsigned long		__unused1;
31 	unsigned long		__unused2;
32 };
33 
34 #endif /* __S390_IPCBUF_H__ */
35