arch/s390x/kernel/linux32.h

   1 #ifndef _ASM_S390X_S390_H
   2 #define _ASM_S390X_S390_H
   3
   4 #include <linux/config.h>
   5 #include <linux/socket.h>
   6 #include <linux/nfs_fs.h>
   7 #include <linux/sunrpc/svc.h>
   8 #include <linux/nfsd/nfsd.h>
   9 #include <linux/nfsd/export.h>
  10
  11 #ifdef CONFIG_S390_SUPPORT
  12
  13 /* Macro that masks the high order bit of an 32 bit pointer and converts it*/
  14 /*       to a 64 bit pointer */
  15 #define A(__x) ((unsigned long)((__x) & 0x7FFFFFFFUL))
  16 #define AA(__x)                         \
  17         ((unsigned long)(__x))
  18
  19 /* Now 32bit compatibility types */
  20 typedef unsigned int           __kernel_size_t32;
  21 typedef int                    __kernel_ssize_t32;
  22 typedef int                    __kernel_ptrdiff_t32;
  23 typedef int                    __kernel_time_t32;
  24 typedef int                    __kernel_clock_t32;
  25 typedef int                    __kernel_pid_t32;
  26 typedef unsigned short         __kernel_ipc_pid_t32;
  27 typedef unsigned short         __kernel_uid_t32;
  28 typedef unsigned short         __kernel_gid_t32;
  29 typedef unsigned short         __kernel_dev_t32;
  30 typedef unsigned int           __kernel_ino_t32;
  31 typedef unsigned short         __kernel_mode_t32;
  32 typedef unsigned short         __kernel_umode_t32;
  33 typedef short                  __kernel_nlink_t32;
  34 typedef int                    __kernel_daddr_t32;
  35 typedef int                    __kernel_off_t32;
  36 typedef unsigned int           __kernel_caddr_t32;
  37 typedef long                   __kernel_loff_t32;
  38 typedef __kernel_fsid_t        __kernel_fsid_t32;
  39
  40 struct ipc_kludge_32 {
  41         __u32   msgp;                           /* pointer              */
  42         __s32   msgtyp;
  43 };
  44
  45 #define F_GETLK64       12
  46 #define F_SETLK64       13
  47 #define F_SETLKW64      14
  48
  49 struct flock32 {
  50         short l_type;
  51         short l_whence;
  52         __kernel_off_t32 l_start;
  53         __kernel_off_t32 l_len;
  54         __kernel_pid_t32 l_pid;
  55         short __unused;
  56 };
  57
  58 struct stat32 {
  59         unsigned short  st_dev;
  60         unsigned short  __pad1;
  61         __u32           st_ino;
  62         unsigned short  st_mode;
  63         unsigned short  st_nlink;
  64         unsigned short  st_uid;
  65         unsigned short  st_gid;
  66         unsigned short  st_rdev;
  67         unsigned short  __pad2;
  68         __u32           st_size;
  69         __u32           st_blksize;
  70         __u32           st_blocks;
  71         __u32           st_atime;
  72         __u32           __unused1;
  73         __u32           st_mtime;
  74         __u32           __unused2;
  75         __u32           st_ctime;
  76         __u32           __unused3;
  77         __u32           __unused4;
  78         __u32           __unused5;
  79 };
  80
  81 struct statfs32 {
  82         __s32                   f_type;
  83         __s32                   f_bsize;
  84         __s32                   f_blocks;
  85         __s32                   f_bfree;
  86         __s32                   f_bavail;
  87         __s32                   f_files;
  88         __s32                   f_ffree;
  89         __kernel_fsid_t         f_fsid;
  90         __s32                   f_namelen;
  91         __s32                   f_spare[6];
  92 };
  93
  94 typedef __u32 old_sigset_t32;       /* at least 32 bits */
  95
  96 struct old_sigaction32 {
  97        __u32                    sa_handler;     /* Really a pointer, but need to deal with 32 bits */
  98        old_sigset_t32           sa_mask;        /* A 32 bit mask */
  99        __u32                    sa_flags;
 100        __u32                    sa_restorer;    /* Another 32 bit pointer */
 101 };
 102
 103 #define _SIGCONTEXT_NSIG_WORDS32    2
 104 typedef struct {
 105         __u32   sig[_SIGCONTEXT_NSIG_WORDS32];
 106 } sigset_t32;
 107
 108 typedef union sigval32 {
 109         int     sival_int;
 110         __u32   sival_ptr;
 111 } sigval_t32;
 112
 113 typedef struct siginfo32 {
 114         int     si_signo;
 115         int     si_errno;
 116         int     si_code;
 117
 118         union {
 119                 int _pad[((128/sizeof(int)) - 3)];
 120
 121                 /* kill() */
 122                 struct {
 123                         pid_t   _pid;   /* sender's pid */
 124                         uid_t   _uid;   /* sender's uid */
 125                 } _kill;
 126
 127                 /* POSIX.1b timers */
 128                 struct {
 129                         unsigned int    _timer1;
 130                         unsigned int    _timer2;
 131
 132                 } _timer;
 133
 134                 /* POSIX.1b signals */
 135                 struct {
 136                         pid_t                   _pid;   /* sender's pid */
 137                         uid_t                   _uid;   /* sender's uid */
 138                         sigval_t32              _sigval;
 139                 } _rt;
 140
 141                 /* SIGCHLD */
 142                 struct {
 143                         pid_t                   _pid;   /* which child */
 144                         uid_t                   _uid;   /* sender's uid */
 145                         int                     _status;/* exit code */
 146                         __kernel_clock_t32      _utime;
 147                         __kernel_clock_t32      _stime;
 148                 } _sigchld;
 149
 150                 /* SIGILL, SIGFPE, SIGSEGV, SIGBUS */
 151                 struct {
 152                         __u32   _addr;  /* faulting insn/memory ref. - pointer */
 153                 } _sigfault;
 154
 155                 /* SIGPOLL */
 156                 struct {
 157                         int     _band;  /* POLL_IN, POLL_OUT, POLL_MSG */
 158                         int     _fd;
 159                 } _sigpoll;
 160         } _sifields;
 161 } siginfo_t32;
 162
 163 /*
 164  * How these fields are to be accessed.
 165  */
 166 #define si_pid          _sifields._kill._pid
 167 #define si_uid          _sifields._kill._uid
 168 #define si_status       _sifields._sigchld._status
 169 #define si_utime        _sifields._sigchld._utime
 170 #define si_stime        _sifields._sigchld._stime
 171 #define si_value        _sifields._rt._sigval
 172 #define si_int          _sifields._rt._sigval.sival_int
 173 #define si_ptr          _sifields._rt._sigval.sival_ptr
 174 #define si_addr         _sifields._sigfault._addr
 175 #define si_band         _sifields._sigpoll._band
 176 #define si_fd           _sifields._sigpoll._fd
 177
 178 /* asm/sigcontext.h */
 179 typedef union
 180 {
 181         __u64   d;
 182         __u32   f;
 183 } freg_t32;
 184
 185 typedef struct
 186 {
 187         unsigned int    fpc;
 188         freg_t32        fprs[__NUM_FPRS];
 189 } _s390_fp_regs32;
 190
 191 typedef struct
 192 {
 193         __u32   mask;
 194         __u32   addr;
 195 } _psw_t32 __attribute__ ((aligned(8)));
 196
 197 typedef struct
 198 {
 199         _psw_t32        psw;
 200         __u32           gprs[__NUM_GPRS];
 201         __u32           acrs[__NUM_ACRS];
 202 } _s390_regs_common32;
 203
 204 typedef struct
 205 {
 206         _s390_regs_common32 regs;
 207         _s390_fp_regs32     fpregs;
 208 } _sigregs32;
 209
 210 #define _SIGCONTEXT_NSIG32      64
 211 #define _SIGCONTEXT_NSIG_BPW32  32
 212 #define __SIGNAL_FRAMESIZE32    96
 213 #define _SIGMASK_COPY_SIZE32    (sizeof(u32)*2)
 214
 215 struct sigcontext32
 216 {
 217         __u32   oldmask[_SIGCONTEXT_NSIG_WORDS32];
 218         __u32   sregs;                          /* pointer */
 219 };
 220
 221 /* asm/signal.h */
 222 struct sigaction32 {
 223         __u32           sa_handler;             /* pointer */
 224         __u32           sa_flags;
 225         __u32           sa_restorer;            /* pointer */
 226         sigset_t32      sa_mask;        /* mask last for extensibility */
 227 };
 228
 229 typedef struct {
 230         __u32                   ss_sp;          /* pointer */
 231         int                     ss_flags;
 232         __kernel_size_t32       ss_size;
 233 } stack_t32;
 234
 235 /* asm/ucontext.h */
 236 struct ucontext32 {
 237         __u32                   uc_flags;
 238         __u32                   uc_link;        /* pointer */
 239         stack_t32               uc_stack;
 240         _sigregs32              uc_mcontext;
 241         sigset_t32              uc_sigmask;     /* mask last for extensibility */
 242 };
 243
 244 #endif /* !CONFIG_S390_SUPPORT */
 245
 246 #endif /* _ASM_S390X_S390_H */