/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_SPARC64_COMPAT_H
#define _ASM_SPARC64_COMPAT_H
/*
 * Architecture specific compatibility types
 */
#include <linux/types.h>

#define compat_mode_t   compat_mode_t
typedef u16             compat_mode_t;

#define __compat_uid_t  __compat_uid_t
typedef u16             __compat_uid_t;
typedef u16             __compat_gid_t;

#define compat_dev_t    compat_dev_t
typedef u16             compat_dev_t;

#define compat_ipc_pid_t compat_ipc_pid_t
typedef u16              compat_ipc_pid_t;

#define compat_ipc64_perm compat_ipc64_perm

#define COMPAT_RLIM_INFINITY 0x7fffffff

#include <asm-generic/compat.h>

#define COMPAT_UTS_MACHINE      "sparc\0\0"

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_uid_t  st_uid;
        __compat_gid_t  st_gid;
        compat_dev_t    st_rdev;
        compat_off_t    st_size;
        old_time32_t    st_atime;
        compat_ulong_t  st_atime_nsec;
        old_time32_t    st_mtime;
        compat_ulong_t  st_mtime_nsec;
        old_time32_t    st_ctime;
        compat_ulong_t  st_ctime_nsec;
        compat_off_t    st_blksize;
        compat_off_t    st_blocks;
        u32             __unused4[2];
};

struct compat_stat64 {
        unsigned long long      st_dev;

        unsigned long long      st_ino;

        unsigned int    st_mode;
        unsigned int    st_nlink;

        unsigned int    st_uid;
        unsigned int    st_gid;

        unsigned long long      st_rdev;

        unsigned char   __pad3[8];

        long long       st_size;
        unsigned int    st_blksize;

        unsigned char   __pad4[8];
        unsigned int    st_blocks;

        unsigned int    st_atime;
        unsigned int    st_atime_nsec;

        unsigned int    st_mtime;
        unsigned int    st_mtime_nsec;

        unsigned int    st_ctime;
        unsigned int    st_ctime_nsec;

        unsigned int    __unused4;
        unsigned int    __unused5;
};

#define __ARCH_COMPAT_FLOCK_PAD         short __unused;

struct compat_ipc64_perm {
        compat_key_t key;
        __compat_uid32_t uid;
        __compat_gid32_t gid;
        __compat_uid32_t cuid;
        __compat_gid32_t cgid;
        unsigned short __pad1;
        compat_mode_t mode;
        unsigned short __pad2;
        unsigned short seq;
        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;
        u32             sem_nsems;
        u32             __unused1;
        u32             __unused2;
};

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;
        unsigned int    msg_cbytes;
        unsigned int    msg_qnum;
        unsigned int    msg_qbytes;
        compat_pid_t    msg_lspid;
        compat_pid_t    msg_lrpid;
        unsigned int    __unused1;
        unsigned int    __unused2;
};

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;
        compat_size_t   shm_segsz;
        compat_pid_t    shm_cpid;
        compat_pid_t    shm_lpid;
        unsigned int    shm_nattch;
        unsigned int    __unused1;
        unsigned int    __unused2;
};

#ifdef CONFIG_COMPAT
static inline int is_compat_task(void)
{
        return test_thread_flag(TIF_32BIT);
}

static inline bool in_compat_syscall(void)
{
        /* Vector 0x110 is LINUX_32BIT_SYSCALL_TRAP */
        return pt_regs_trap_type(current_pt_regs()) == 0x110;
}
#define in_compat_syscall in_compat_syscall
#endif

#endif /* _ASM_SPARC64_COMPAT_H */