#ifndef _ASM_POWERPC_COMPAT_H #define _ASM_POWERPC_COMPAT_H #ifdef __KERNEL__ /* * Architecture specific compatibility types */ #include #include #define COMPAT_USER_HZ 100 #ifdef __BIG_ENDIAN__ #define COMPAT_UTS_MACHINE "ppc\0\0" #else #define COMPAT_UTS_MACHINE "ppcle\0\0" #endif typedef u32 compat_size_t; typedef s32 compat_ssize_t; typedef s32 compat_time_t; typedef s32 compat_clock_t; typedef s32 compat_pid_t; typedef u32 __compat_uid_t; typedef u32 __compat_gid_t; typedef u32 __compat_uid32_t; typedef u32 __compat_gid32_t; typedef u32 compat_mode_t; typedef u32 compat_ino_t; typedef u32 compat_dev_t; typedef s32 compat_off_t; typedef s64 compat_loff_t; typedef s16 compat_nlink_t; typedef u16 compat_ipc_pid_t; typedef s32 compat_daddr_t; typedef u32 compat_caddr_t; typedef __kernel_fsid_t compat_fsid_t; typedef s32 compat_key_t; typedef s32 compat_timer_t; typedef s32 compat_int_t; typedef s32 compat_long_t; typedef s64 compat_s64; typedef u32 compat_uint_t; typedef u32 compat_ulong_t; typedef u64 compat_u64; typedef u32 compat_uptr_t; struct compat_timespec { compat_time_t tv_sec; s32 tv_nsec; }; struct compat_timeval { compat_time_t tv_sec; s32 tv_usec; }; 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; compat_time_t st_atime; u32 st_atime_nsec; compat_time_t st_mtime; u32 st_mtime_nsec; compat_time_t st_ctime; u32 st_ctime_nsec; u32 __unused4[2]; }; struct compat_flock { short l_type; short l_whence; compat_off_t l_start; compat_off_t l_len; compat_pid_t l_pid; }; #define F_GETLK64 12 /* using 'struct flock64' */ #define F_SETLK64 13 #define F_SETLKW64 14 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 { int f_type; int f_bsize; int f_blocks; int f_bfree; int f_bavail; int f_files; int f_ffree; compat_fsid_t f_fsid; int f_namelen; /* SunOS ignores this field. */ int f_frsize; int f_flags; int f_spare[4]; }; #define COMPAT_RLIM_OLD_INFINITY 0x7fffffff #define COMPAT_RLIM_INFINITY 0xffffffff typedef u32 compat_old_sigset_t; #define _COMPAT_NSIG 64 #define _COMPAT_NSIG_BPW 32 typedef u32 compat_sigset_word; typedef union compat_sigval { compat_int_t sival_int; compat_uptr_t sival_ptr; } compat_sigval_t; #define SI_PAD_SIZE32 (128/sizeof(int) - 3) typedef struct compat_siginfo { int si_signo; int si_errno; int si_code; union { int _pad[SI_PAD_SIZE32]; /* kill() */ struct { compat_pid_t _pid; /* sender's pid */ __compat_uid_t _uid; /* sender's uid */ } _kill; /* POSIX.1b timers */ struct { compat_timer_t _tid; /* timer id */ int _overrun; /* overrun count */ compat_sigval_t _sigval; /* same as below */ int _sys_private; /* not to be passed to user */ } _timer; /* POSIX.1b signals */ struct { compat_pid_t _pid; /* sender's pid */ __compat_uid_t _uid; /* sender's uid */ compat_sigval_t _sigval; } _rt; /* SIGCHLD */ struct { compat_pid_t _pid; /* which child */ __compat_uid_t _uid; /* sender's uid */ int _status; /* exit code */ compat_clock_t _utime; compat_clock_t _stime; } _sigchld; /* SIGILL, SIGFPE, SIGSEGV, SIGBUS, SIGEMT */ struct { unsigned int _addr; /* faulting insn/memory ref. */ } _sigfault; /* SIGPOLL */ struct { int _band; /* POLL_IN, POLL_OUT, POLL_MSG */ int _fd; } _sigpoll; } _sifields; } compat_siginfo_t; #define COMPAT_OFF_T_MAX 0x7fffffff #define COMPAT_LOFF_T_MAX 0x7fffffffffffffffL /* * 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 = current->thread.regs; unsigned long usp = regs->gpr[1]; /* * We can't access below the stack pointer in the 32bit ABI and * can access 288 bytes in the 64bit ABI */ if (!is_32bit_task()) usp -= 288; return (void __user *) (usp - len); } /* * 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 __unused1; compat_time_t sem_otime; unsigned int __unused2; compat_time_t 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 __unused1; compat_time_t msg_stime; unsigned int __unused2; compat_time_t msg_rtime; unsigned int __unused3; compat_time_t 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 __unused1; compat_time_t shm_atime; unsigned int __unused2; compat_time_t shm_dtime; unsigned int __unused3; compat_time_t 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 */