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

#define compat_mode_t compat_mode_t
typedef u16     compat_mode_t;

#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>

#define COMPAT_UTS_MACHINE      "parisc\0\0"

typedef u16     compat_nlink_t;

struct compat_stat {
        compat_dev_t            st_dev; /* dev_t is 32 bits on parisc */
        compat_ino_t            st_ino; /* 32 bits */
        compat_mode_t           st_mode;        /* 16 bits */
        compat_nlink_t          st_nlink;       /* 16 bits */
        u16                     st_reserved1;   /* old st_uid */
        u16                     st_reserved2;   /* old st_gid */
        compat_dev_t            st_rdev;
        compat_off_t            st_size;
        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;
        s32                     st_blksize;
        s32                     st_blocks;
        u32                     __unused1;      /* ACL stuff */
        compat_dev_t            __unused2;      /* network */
        compat_ino_t            __unused3;      /* network */
        u32                     __unused4;      /* cnodes */
        u16                     __unused5;      /* netsite */
        short                   st_fstype;
        compat_dev_t            st_realdev;
        u16                     st_basemode;
        u16                     st_spareshort;
        __compat_uid32_t        st_uid;
        __compat_gid32_t        st_gid;
        u32                     st_spare4[3];
};

struct compat_sigcontext {
        compat_int_t sc_flags;
        compat_int_t sc_gr[32]; /* PSW in sc_gr[0] */
        u64 sc_fr[32];
        compat_int_t sc_iasq[2];
        compat_int_t sc_iaoq[2];
        compat_int_t sc_sar; /* cr11 */
};

struct compat_ipc64_perm {
        compat_key_t key;
        __compat_uid_t uid;
        __compat_gid_t gid;
        __compat_uid_t cuid;
        __compat_gid_t cgid;
        unsigned short int __pad1;
        compat_mode_t mode;
        unsigned short int __pad2;
        unsigned short int seq;
        unsigned int __pad3;
        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;
};

/*
 * The type of struct elf_prstatus.pr_reg in compatible core dumps.
 */
#define COMPAT_ELF_NGREG 80
typedef compat_ulong_t compat_elf_gregset_t[COMPAT_ELF_NGREG];

static inline int __is_compat_task(struct task_struct *t)
{
        return test_tsk_thread_flag(t, TIF_32BIT);
}

static inline int is_compat_task(void)
{
        return __is_compat_task(current);
}

#endif /* _ASM_PARISC_COMPAT_H */