1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2*4882a593Smuzhiyun #ifndef __ASM_X86_SHMBUF_H 3*4882a593Smuzhiyun #define __ASM_X86_SHMBUF_H 4*4882a593Smuzhiyun 5*4882a593Smuzhiyun #if !defined(__x86_64__) || !defined(__ILP32__) 6*4882a593Smuzhiyun #include <asm-generic/shmbuf.h> 7*4882a593Smuzhiyun #else 8*4882a593Smuzhiyun /* 9*4882a593Smuzhiyun * The shmid64_ds structure for x86 architecture with x32 ABI. 10*4882a593Smuzhiyun * 11*4882a593Smuzhiyun * On x86-32 and x86-64 we can just use the generic definition, but 12*4882a593Smuzhiyun * x32 uses the same binary layout as x86_64, which is differnet 13*4882a593Smuzhiyun * from other 32-bit architectures. 14*4882a593Smuzhiyun */ 15*4882a593Smuzhiyun 16*4882a593Smuzhiyun struct shmid64_ds { 17*4882a593Smuzhiyun struct ipc64_perm shm_perm; /* operation perms */ 18*4882a593Smuzhiyun size_t shm_segsz; /* size of segment (bytes) */ 19*4882a593Smuzhiyun __kernel_long_t shm_atime; /* last attach time */ 20*4882a593Smuzhiyun __kernel_long_t shm_dtime; /* last detach time */ 21*4882a593Smuzhiyun __kernel_long_t shm_ctime; /* last change time */ 22*4882a593Smuzhiyun __kernel_pid_t shm_cpid; /* pid of creator */ 23*4882a593Smuzhiyun __kernel_pid_t shm_lpid; /* pid of last operator */ 24*4882a593Smuzhiyun __kernel_ulong_t shm_nattch; /* no. of current attaches */ 25*4882a593Smuzhiyun __kernel_ulong_t __unused4; 26*4882a593Smuzhiyun __kernel_ulong_t __unused5; 27*4882a593Smuzhiyun }; 28*4882a593Smuzhiyun 29*4882a593Smuzhiyun struct shminfo64 { 30*4882a593Smuzhiyun __kernel_ulong_t shmmax; 31*4882a593Smuzhiyun __kernel_ulong_t shmmin; 32*4882a593Smuzhiyun __kernel_ulong_t shmmni; 33*4882a593Smuzhiyun __kernel_ulong_t shmseg; 34*4882a593Smuzhiyun __kernel_ulong_t shmall; 35*4882a593Smuzhiyun __kernel_ulong_t __unused1; 36*4882a593Smuzhiyun __kernel_ulong_t __unused2; 37*4882a593Smuzhiyun __kernel_ulong_t __unused3; 38*4882a593Smuzhiyun __kernel_ulong_t __unused4; 39*4882a593Smuzhiyun }; 40*4882a593Smuzhiyun 41*4882a593Smuzhiyun #endif 42*4882a593Smuzhiyun 43*4882a593Smuzhiyun #endif /* __ASM_X86_SHMBUF_H */ 44