1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2*4882a593Smuzhiyun #ifndef _ASM_X86_SEMBUF_H 3*4882a593Smuzhiyun #define _ASM_X86_SEMBUF_H 4*4882a593Smuzhiyun 5*4882a593Smuzhiyun #include <asm/ipcbuf.h> 6*4882a593Smuzhiyun 7*4882a593Smuzhiyun /* 8*4882a593Smuzhiyun * The semid64_ds structure for x86 architecture. 9*4882a593Smuzhiyun * Note extra padding because this structure is passed back and forth 10*4882a593Smuzhiyun * between kernel and user space. 11*4882a593Smuzhiyun * 12*4882a593Smuzhiyun * Pad space is left for: 13*4882a593Smuzhiyun * - 2 miscellaneous 32-bit values 14*4882a593Smuzhiyun * 15*4882a593Smuzhiyun * x86_64 and x32 incorrectly added padding here, so the structures 16*4882a593Smuzhiyun * are still incompatible with the padding on x86. 17*4882a593Smuzhiyun */ 18*4882a593Smuzhiyun struct semid64_ds { 19*4882a593Smuzhiyun struct ipc64_perm sem_perm; /* permissions .. see ipc.h */ 20*4882a593Smuzhiyun #ifdef __i386__ 21*4882a593Smuzhiyun unsigned long sem_otime; /* last semop time */ 22*4882a593Smuzhiyun unsigned long sem_otime_high; 23*4882a593Smuzhiyun unsigned long sem_ctime; /* last change time */ 24*4882a593Smuzhiyun unsigned long sem_ctime_high; 25*4882a593Smuzhiyun #else 26*4882a593Smuzhiyun __kernel_long_t sem_otime; /* last semop time */ 27*4882a593Smuzhiyun __kernel_ulong_t __unused1; 28*4882a593Smuzhiyun __kernel_long_t sem_ctime; /* last change time */ 29*4882a593Smuzhiyun __kernel_ulong_t __unused2; 30*4882a593Smuzhiyun #endif 31*4882a593Smuzhiyun __kernel_ulong_t sem_nsems; /* no. of semaphores in array */ 32*4882a593Smuzhiyun __kernel_ulong_t __unused3; 33*4882a593Smuzhiyun __kernel_ulong_t __unused4; 34*4882a593Smuzhiyun }; 35*4882a593Smuzhiyun 36*4882a593Smuzhiyun #endif /* _ASM_X86_SEMBUF_H */ 37