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-rw-r--r--arch/powerpc/include/asm/compat.h114
1 files changed, 114 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/compat.h b/arch/powerpc/include/asm/compat.h
new file mode 100644
index 0000000000..dda4091fd0
--- /dev/null
+++ b/arch/powerpc/include/asm/compat.h
@@ -0,0 +1,114 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _ASM_POWERPC_COMPAT_H
+#define _ASM_POWERPC_COMPAT_H
+#ifdef __KERNEL__
+/*
+ * Architecture specific compatibility types
+ */
+#include <linux/types.h>
+#include <linux/sched.h>
+
+#define compat_ipc_pid_t compat_ipc_pid_t
+typedef u16 compat_ipc_pid_t;
+
+#define compat_ipc64_perm compat_ipc64_perm
+
+#include <asm-generic/compat.h>
+
+#ifdef __BIG_ENDIAN__
+#define COMPAT_UTS_MACHINE "ppc\0\0"
+#else
+#define COMPAT_UTS_MACHINE "ppcle\0\0"
+#endif
+
+typedef s16 compat_nlink_t;
+
+struct compat_stat {
+ compat_dev_t st_dev;
+ compat_ino_t st_ino;
+ compat_mode_t st_mode;
+ compat_nlink_t st_nlink;
+ __compat_uid32_t st_uid;
+ __compat_gid32_t st_gid;
+ compat_dev_t st_rdev;
+ compat_off_t st_size;
+ compat_off_t st_blksize;
+ compat_off_t st_blocks;
+ old_time32_t st_atime;
+ u32 st_atime_nsec;
+ old_time32_t st_mtime;
+ u32 st_mtime_nsec;
+ old_time32_t st_ctime;
+ u32 st_ctime_nsec;
+ u32 __unused4[2];
+};
+
+/*
+ * ipc64_perm is actually 32/64bit clean but since the compat layer refers to
+ * it we may as well define it.
+ */
+struct compat_ipc64_perm {
+ compat_key_t key;
+ __compat_uid_t uid;
+ __compat_gid_t gid;
+ __compat_uid_t cuid;
+ __compat_gid_t cgid;
+ compat_mode_t mode;
+ unsigned int seq;
+ unsigned int __pad2;
+ unsigned long __unused1; /* yes they really are 64bit pads */
+ unsigned long __unused2;
+};
+
+struct compat_semid64_ds {
+ struct compat_ipc64_perm sem_perm;
+ unsigned int sem_otime_high;
+ unsigned int sem_otime;
+ unsigned int sem_ctime_high;
+ unsigned int sem_ctime;
+ compat_ulong_t sem_nsems;
+ compat_ulong_t __unused3;
+ compat_ulong_t __unused4;
+};
+
+struct compat_msqid64_ds {
+ struct compat_ipc64_perm msg_perm;
+ unsigned int msg_stime_high;
+ unsigned int msg_stime;
+ unsigned int msg_rtime_high;
+ unsigned int msg_rtime;
+ unsigned int msg_ctime_high;
+ unsigned int msg_ctime;
+ compat_ulong_t msg_cbytes;
+ compat_ulong_t msg_qnum;
+ compat_ulong_t msg_qbytes;
+ compat_pid_t msg_lspid;
+ compat_pid_t msg_lrpid;
+ compat_ulong_t __unused4;
+ compat_ulong_t __unused5;
+};
+
+struct compat_shmid64_ds {
+ struct compat_ipc64_perm shm_perm;
+ unsigned int shm_atime_high;
+ unsigned int shm_atime;
+ unsigned int shm_dtime_high;
+ unsigned int shm_dtime;
+ unsigned int shm_ctime_high;
+ unsigned int shm_ctime;
+ unsigned int __unused4;
+ compat_size_t shm_segsz;
+ compat_pid_t shm_cpid;
+ compat_pid_t shm_lpid;
+ compat_ulong_t shm_nattch;
+ compat_ulong_t __unused5;
+ compat_ulong_t __unused6;
+};
+
+static inline int is_compat_task(void)
+{
+ return is_32bit_task();
+}
+
+#endif /* __KERNEL__ */
+#endif /* _ASM_POWERPC_COMPAT_H */