1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2 #ifndef _SPARC_SHMBUF_H
3 #define _SPARC_SHMBUF_H
4
5 #include <asm/ipcbuf.h>
6 #include <asm/posix_types.h>
7
8 /*
9 * The shmid64_ds structure for sparc architecture.
10 * Note extra padding because this structure is passed back and forth
11 * between kernel and user space.
12 *
13 * Pad space is left for:
14 * - 2 miscellaneous 32-bit values
15 */
16
17 struct shmid64_ds {
18 struct ipc64_perm shm_perm; /* operation perms */
19 #if defined(__sparc__) && defined(__arch64__)
20 long shm_atime; /* last attach time */
21 long shm_dtime; /* last detach time */
22 long shm_ctime; /* last change time */
23 #else
24 unsigned long shm_atime_high;
25 unsigned long shm_atime; /* last attach time */
26 unsigned long shm_dtime_high;
27 unsigned long shm_dtime; /* last detach time */
28 unsigned long shm_ctime_high;
29 unsigned long shm_ctime; /* last change time */
30 #endif
31 __kernel_size_t shm_segsz; /* size of segment (bytes) */
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 __unused1;
36 unsigned long __unused2;
37 };
38
39 struct shminfo64 {
40 unsigned long shmmax;
41 unsigned long shmmin;
42 unsigned long shmmni;
43 unsigned long shmseg;
44 unsigned long shmall;
45 unsigned long __unused1;
46 unsigned long __unused2;
47 unsigned long __unused3;
48 unsigned long __unused4;
49 };
50
51 #endif /* _SPARC_SHMBUF_H */
52
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