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-rw-r--r--arch/x86/include/uapi/asm/sembuf.h36
1 files changed, 36 insertions, 0 deletions
diff --git a/arch/x86/include/uapi/asm/sembuf.h b/arch/x86/include/uapi/asm/sembuf.h
new file mode 100644
index 000000000..71205b02a
--- /dev/null
+++ b/arch/x86/include/uapi/asm/sembuf.h
@@ -0,0 +1,36 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+#ifndef _ASM_X86_SEMBUF_H
+#define _ASM_X86_SEMBUF_H
+
+#include <asm/ipcbuf.h>
+
+/*
+ * The semid64_ds structure for x86 architecture.
+ * Note extra padding because this structure is passed back and forth
+ * between kernel and user space.
+ *
+ * Pad space is left for:
+ * - 2 miscellaneous 32-bit values
+ *
+ * x86_64 and x32 incorrectly added padding here, so the structures
+ * are still incompatible with the padding on x86.
+ */
+struct semid64_ds {
+ struct ipc64_perm sem_perm; /* permissions .. see ipc.h */
+#ifdef __i386__
+ unsigned long sem_otime; /* last semop time */
+ unsigned long sem_otime_high;
+ unsigned long sem_ctime; /* last change time */
+ unsigned long sem_ctime_high;
+#else
+ __kernel_long_t sem_otime; /* last semop time */
+ __kernel_ulong_t __unused1;
+ __kernel_long_t sem_ctime; /* last change time */
+ __kernel_ulong_t __unused2;
+#endif
+ __kernel_ulong_t sem_nsems; /* no. of semaphores in array */
+ __kernel_ulong_t __unused3;
+ __kernel_ulong_t __unused4;
+};
+
+#endif /* _ASM_X86_SEMBUF_H */