1#ifndef _ASM_S390X_S390_H 2#define _ASM_S390X_S390_H 3 4#include <linux/compat.h> 5#include <linux/socket.h> 6#include <linux/syscalls.h> 7#include <linux/nfs_fs.h> 8#include <linux/sunrpc/svc.h> 9#include <linux/nfsd/nfsd.h> 10#include <linux/nfsd/export.h> 11 12/* Macro that masks the high order bit of an 32 bit pointer and converts it*/ 13/* to a 64 bit pointer */ 14#define A(__x) ((unsigned long)((__x) & 0x7FFFFFFFUL)) 15#define AA(__x) \ 16 ((unsigned long)(__x)) 17 18/* Now 32bit compatibility types */ 19struct ipc_kludge_32 { 20 __u32 msgp; /* pointer */ 21 __s32 msgtyp; 22}; 23 24struct old_sigaction32 { 25 __u32 sa_handler; /* Really a pointer, but need to deal with 32 bits */ 26 compat_old_sigset_t sa_mask; /* A 32 bit mask */ 27 __u32 sa_flags; 28 __u32 sa_restorer; /* Another 32 bit pointer */ 29}; 30 31typedef struct compat_siginfo { 32 int si_signo; 33 int si_errno; 34 int si_code; 35 36 union { 37 int _pad[((128/sizeof(int)) - 3)]; 38 39 /* kill() */ 40 struct { 41 pid_t _pid; /* sender's pid */ 42 uid_t _uid; /* sender's uid */ 43 } _kill; 44 45 /* POSIX.1b timers */ 46 struct { 47 compat_timer_t _tid; /* timer id */ 48 int _overrun; /* overrun count */ 49 compat_sigval_t _sigval; /* same as below */ 50 int _sys_private; /* not to be passed to user */ 51 } _timer; 52 53 /* POSIX.1b signals */ 54 struct { 55 pid_t _pid; /* sender's pid */ 56 uid_t _uid; /* sender's uid */ 57 compat_sigval_t _sigval; 58 } _rt; 59 60 /* SIGCHLD */ 61 struct { 62 pid_t _pid; /* which child */ 63 uid_t _uid; /* sender's uid */ 64 int _status;/* exit code */ 65 compat_clock_t _utime; 66 compat_clock_t _stime; 67 } _sigchld; 68 69 /* SIGILL, SIGFPE, SIGSEGV, SIGBUS */ 70 struct { 71 __u32 _addr; /* faulting insn/memory ref. - pointer */ 72 } _sigfault; 73 74 /* SIGPOLL */ 75 struct { 76 int _band; /* POLL_IN, POLL_OUT, POLL_MSG */ 77 int _fd; 78 } _sigpoll; 79 } _sifields; 80} compat_siginfo_t; 81 82/* 83 * How these fields are to be accessed. 84 */ 85#define si_pid _sifields._kill._pid 86#define si_uid _sifields._kill._uid 87#define si_status _sifields._sigchld._status 88#define si_utime _sifields._sigchld._utime 89#define si_stime _sifields._sigchld._stime 90#define si_value _sifields._rt._sigval 91#define si_int _sifields._rt._sigval.sival_int 92#define si_ptr _sifields._rt._sigval.sival_ptr 93#define si_addr _sifields._sigfault._addr 94#define si_band _sifields._sigpoll._band 95#define si_fd _sifields._sigpoll._fd 96#define si_tid _sifields._timer._tid 97#define si_overrun _sifields._timer._overrun 98 99/* asm/sigcontext.h */ 100typedef union 101{ 102 __u64 d; 103 __u32 f; 104} freg_t32; 105 106typedef struct 107{ 108 unsigned int fpc; 109 freg_t32 fprs[__NUM_FPRS]; 110} _s390_fp_regs32; 111 112typedef struct 113{ 114 __u32 mask; 115 __u32 addr; 116} _psw_t32 __attribute__ ((aligned(8))); 117 118typedef struct 119{ 120 _psw_t32 psw; 121 __u32 gprs[__NUM_GPRS]; 122 __u32 acrs[__NUM_ACRS]; 123} _s390_regs_common32; 124 125typedef struct 126{ 127 _s390_regs_common32 regs; 128 _s390_fp_regs32 fpregs; 129} _sigregs32; 130 131#define _SIGCONTEXT_NSIG32 64 132#define _SIGCONTEXT_NSIG_BPW32 32 133#define __SIGNAL_FRAMESIZE32 96 134#define _SIGMASK_COPY_SIZE32 (sizeof(u32)*2) 135 136struct sigcontext32 137{ 138 __u32 oldmask[_COMPAT_NSIG_WORDS]; 139 __u32 sregs; /* pointer */ 140}; 141 142/* asm/signal.h */ 143struct sigaction32 { 144 __u32 sa_handler; /* pointer */ 145 __u32 sa_flags; 146 __u32 sa_restorer; /* pointer */ 147 compat_sigset_t sa_mask; /* mask last for extensibility */ 148}; 149 150typedef struct { 151 __u32 ss_sp; /* pointer */ 152 int ss_flags; 153 compat_size_t ss_size; 154} stack_t32; 155 156/* asm/ucontext.h */ 157struct ucontext32 { 158 __u32 uc_flags; 159 __u32 uc_link; /* pointer */ 160 stack_t32 uc_stack; 161 _sigregs32 uc_mcontext; 162 compat_sigset_t uc_sigmask; /* mask last for extensibility */ 163}; 164 165#endif /* _ASM_S390X_S390_H */ 166