1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2 #ifndef __ASM_X86_SHMBUF_H 3 #define __ASM_X86_SHMBUF_H 4 5 #if !defined(__x86_64__) || !defined(__ILP32__) 6 #include <asm-generic/shmbuf.h> 7 #else 8 /* 9 * The shmid64_ds structure for x86 architecture with x32 ABI. 10 * 11 * On x86-32 and x86-64 we can just use the generic definition, but 12 * x32 uses the same binary layout as x86_64, which is differnet 13 * from other 32-bit architectures. 14 */ 15 16 struct shmid64_ds { 17 struct ipc64_perm shm_perm; /* operation perms */ 18 size_t shm_segsz; /* size of segment (bytes) */ 19 __kernel_long_t shm_atime; /* last attach time */ 20 __kernel_long_t shm_dtime; /* last detach time */ 21 __kernel_long_t shm_ctime; /* last change time */ 22 __kernel_pid_t shm_cpid; /* pid of creator */ 23 __kernel_pid_t shm_lpid; /* pid of last operator */ 24 __kernel_ulong_t shm_nattch; /* no. of current attaches */ 25 __kernel_ulong_t __unused4; 26 __kernel_ulong_t __unused5; 27 }; 28 29 struct shminfo64 { 30 __kernel_ulong_t shmmax; 31 __kernel_ulong_t shmmin; 32 __kernel_ulong_t shmmni; 33 __kernel_ulong_t shmseg; 34 __kernel_ulong_t shmall; 35 __kernel_ulong_t __unused1; 36 __kernel_ulong_t __unused2; 37 __kernel_ulong_t __unused3; 38 __kernel_ulong_t __unused4; 39 }; 40 41 #endif 42 43 #endif /* __ASM_X86_SHMBUF_H */ 44