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/* 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>
#include <asm-generic/compat.h>
#define COMPAT_USER_HZ 100
#define COMPAT_UTS_MACHINE "parisc\0\0"
typedef u32 __compat_uid_t;
typedef u32 __compat_gid_t;
typedef u32 __compat_uid32_t;
typedef u32 __compat_gid32_t;
typedef u16 compat_mode_t;
typedef u32 compat_dev_t;
typedef u16 compat_nlink_t;
typedef u16 compat_ipc_pid_t;
typedef u32 compat_caddr_t;
typedef s64 compat_s64;
typedef u64 compat_u64;
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_flock {
short l_type;
short l_whence;
compat_off_t l_start;
compat_off_t l_len;
compat_pid_t l_pid;
};
struct compat_flock64 {
short l_type;
short l_whence;
compat_loff_t l_start;
compat_loff_t l_len;
compat_pid_t l_pid;
};
struct compat_statfs {
s32 f_type;
s32 f_bsize;
s32 f_blocks;
s32 f_bfree;
s32 f_bavail;
s32 f_files;
s32 f_ffree;
__kernel_fsid_t f_fsid;
s32 f_namelen;
s32 f_frsize;
s32 f_flags;
s32 f_spare[4];
};
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 */
};
#define COMPAT_RLIM_INFINITY 0xffffffff
typedef u32 compat_old_sigset_t; /* at least 32 bits */
#define _COMPAT_NSIG 64
#define _COMPAT_NSIG_BPW 32
typedef u32 compat_sigset_word;
#define COMPAT_OFF_T_MAX 0x7fffffff
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];
/*
* A pointer passed in from user mode. This should not
* be used for syscall parameters, just declare them
* as pointers because the syscall entry code will have
* appropriately converted them already.
*/
static inline void __user *compat_ptr(compat_uptr_t uptr)
{
return (void __user *)(unsigned long)uptr;
}
static inline compat_uptr_t ptr_to_compat(void __user *uptr)
{
return (u32)(unsigned long)uptr;
}
static __inline__ void __user *arch_compat_alloc_user_space(long len)
{
struct pt_regs *regs = ¤t->thread.regs;
return (void __user *)regs->gr[30];
}
static inline int __is_compat_task(struct task_struct *t)
{
return test_ti_thread_flag(task_thread_info(t), TIF_32BIT);
}
static inline int is_compat_task(void)
{
return __is_compat_task(current);
}
#endif /* _ASM_PARISC_COMPAT_H */
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