Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | #ifndef _ASM_S390X_S390_H |
| 2 | #define _ASM_S390X_S390_H |
| 3 | |
| 4 | #include <linux/config.h> |
| 5 | #include <linux/compat.h> |
| 6 | #include <linux/socket.h> |
| 7 | #include <linux/syscalls.h> |
| 8 | #include <linux/nfs_fs.h> |
| 9 | #include <linux/sunrpc/svc.h> |
| 10 | #include <linux/nfsd/nfsd.h> |
| 11 | #include <linux/nfsd/export.h> |
| 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 | struct ipc_kludge_32 { |
| 21 | __u32 msgp; /* pointer */ |
| 22 | __s32 msgtyp; |
| 23 | }; |
| 24 | |
| 25 | struct old_sigaction32 { |
| 26 | __u32 sa_handler; /* Really a pointer, but need to deal with 32 bits */ |
| 27 | compat_old_sigset_t sa_mask; /* A 32 bit mask */ |
| 28 | __u32 sa_flags; |
| 29 | __u32 sa_restorer; /* Another 32 bit pointer */ |
| 30 | }; |
| 31 | |
| 32 | typedef struct compat_siginfo { |
| 33 | int si_signo; |
| 34 | int si_errno; |
| 35 | int si_code; |
| 36 | |
| 37 | union { |
| 38 | int _pad[((128/sizeof(int)) - 3)]; |
| 39 | |
| 40 | /* kill() */ |
| 41 | struct { |
| 42 | pid_t _pid; /* sender's pid */ |
| 43 | uid_t _uid; /* sender's uid */ |
| 44 | } _kill; |
| 45 | |
| 46 | /* POSIX.1b timers */ |
| 47 | struct { |
| 48 | timer_t _tid; /* timer id */ |
| 49 | int _overrun; /* overrun count */ |
| 50 | compat_sigval_t _sigval; /* same as below */ |
| 51 | int _sys_private; /* not to be passed to user */ |
| 52 | } _timer; |
| 53 | |
| 54 | /* POSIX.1b signals */ |
| 55 | struct { |
| 56 | pid_t _pid; /* sender's pid */ |
| 57 | uid_t _uid; /* sender's uid */ |
| 58 | compat_sigval_t _sigval; |
| 59 | } _rt; |
| 60 | |
| 61 | /* SIGCHLD */ |
| 62 | struct { |
| 63 | pid_t _pid; /* which child */ |
| 64 | uid_t _uid; /* sender's uid */ |
| 65 | int _status;/* exit code */ |
| 66 | compat_clock_t _utime; |
| 67 | compat_clock_t _stime; |
| 68 | } _sigchld; |
| 69 | |
| 70 | /* SIGILL, SIGFPE, SIGSEGV, SIGBUS */ |
| 71 | struct { |
| 72 | __u32 _addr; /* faulting insn/memory ref. - pointer */ |
| 73 | } _sigfault; |
| 74 | |
| 75 | /* SIGPOLL */ |
| 76 | struct { |
| 77 | int _band; /* POLL_IN, POLL_OUT, POLL_MSG */ |
| 78 | int _fd; |
| 79 | } _sigpoll; |
| 80 | } _sifields; |
| 81 | } compat_siginfo_t; |
| 82 | |
| 83 | /* |
| 84 | * How these fields are to be accessed. |
| 85 | */ |
| 86 | #define si_pid _sifields._kill._pid |
| 87 | #define si_uid _sifields._kill._uid |
| 88 | #define si_status _sifields._sigchld._status |
| 89 | #define si_utime _sifields._sigchld._utime |
| 90 | #define si_stime _sifields._sigchld._stime |
| 91 | #define si_value _sifields._rt._sigval |
| 92 | #define si_int _sifields._rt._sigval.sival_int |
| 93 | #define si_ptr _sifields._rt._sigval.sival_ptr |
| 94 | #define si_addr _sifields._sigfault._addr |
| 95 | #define si_band _sifields._sigpoll._band |
| 96 | #define si_fd _sifields._sigpoll._fd |
| 97 | #define si_tid _sifields._timer._tid |
| 98 | #define si_overrun _sifields._timer._overrun |
| 99 | |
| 100 | /* asm/sigcontext.h */ |
| 101 | typedef union |
| 102 | { |
| 103 | __u64 d; |
| 104 | __u32 f; |
| 105 | } freg_t32; |
| 106 | |
| 107 | typedef struct |
| 108 | { |
| 109 | unsigned int fpc; |
| 110 | freg_t32 fprs[__NUM_FPRS]; |
| 111 | } _s390_fp_regs32; |
| 112 | |
| 113 | typedef struct |
| 114 | { |
| 115 | __u32 mask; |
| 116 | __u32 addr; |
| 117 | } _psw_t32 __attribute__ ((aligned(8))); |
| 118 | |
| 119 | #define PSW32_MASK_PER 0x40000000UL |
| 120 | #define PSW32_MASK_DAT 0x04000000UL |
| 121 | #define PSW32_MASK_IO 0x02000000UL |
| 122 | #define PSW32_MASK_EXT 0x01000000UL |
| 123 | #define PSW32_MASK_KEY 0x00F00000UL |
| 124 | #define PSW32_MASK_MCHECK 0x00040000UL |
| 125 | #define PSW32_MASK_WAIT 0x00020000UL |
| 126 | #define PSW32_MASK_PSTATE 0x00010000UL |
| 127 | #define PSW32_MASK_ASC 0x0000C000UL |
| 128 | #define PSW32_MASK_CC 0x00003000UL |
| 129 | #define PSW32_MASK_PM 0x00000f00UL |
| 130 | |
| 131 | #define PSW32_ADDR_AMODE31 0x80000000UL |
| 132 | #define PSW32_ADDR_INSN 0x7FFFFFFFUL |
| 133 | |
| 134 | #define PSW32_BASE_BITS 0x00080000UL |
| 135 | |
| 136 | #define PSW32_ASC_PRIMARY 0x00000000UL |
| 137 | #define PSW32_ASC_ACCREG 0x00004000UL |
| 138 | #define PSW32_ASC_SECONDARY 0x00008000UL |
| 139 | #define PSW32_ASC_HOME 0x0000C000UL |
| 140 | |
| 141 | #define PSW32_USER_BITS (PSW32_BASE_BITS | PSW32_MASK_DAT | PSW32_ASC_HOME | \ |
| 142 | PSW32_MASK_IO | PSW32_MASK_EXT | PSW32_MASK_MCHECK | \ |
| 143 | PSW32_MASK_PSTATE) |
| 144 | |
| 145 | #define PSW32_MASK_MERGE(CURRENT,NEW) \ |
| 146 | (((CURRENT) & ~(PSW32_MASK_CC|PSW32_MASK_PM)) | \ |
| 147 | ((NEW) & (PSW32_MASK_CC|PSW32_MASK_PM))) |
| 148 | |
| 149 | |
| 150 | typedef struct |
| 151 | { |
| 152 | _psw_t32 psw; |
| 153 | __u32 gprs[__NUM_GPRS]; |
| 154 | __u32 acrs[__NUM_ACRS]; |
| 155 | } _s390_regs_common32; |
| 156 | |
| 157 | typedef struct |
| 158 | { |
| 159 | _s390_regs_common32 regs; |
| 160 | _s390_fp_regs32 fpregs; |
| 161 | } _sigregs32; |
| 162 | |
| 163 | #define _SIGCONTEXT_NSIG32 64 |
| 164 | #define _SIGCONTEXT_NSIG_BPW32 32 |
| 165 | #define __SIGNAL_FRAMESIZE32 96 |
| 166 | #define _SIGMASK_COPY_SIZE32 (sizeof(u32)*2) |
| 167 | |
| 168 | struct sigcontext32 |
| 169 | { |
| 170 | __u32 oldmask[_COMPAT_NSIG_WORDS]; |
| 171 | __u32 sregs; /* pointer */ |
| 172 | }; |
| 173 | |
| 174 | /* asm/signal.h */ |
| 175 | struct sigaction32 { |
| 176 | __u32 sa_handler; /* pointer */ |
| 177 | __u32 sa_flags; |
| 178 | __u32 sa_restorer; /* pointer */ |
| 179 | compat_sigset_t sa_mask; /* mask last for extensibility */ |
| 180 | }; |
| 181 | |
| 182 | typedef struct { |
| 183 | __u32 ss_sp; /* pointer */ |
| 184 | int ss_flags; |
| 185 | compat_size_t ss_size; |
| 186 | } stack_t32; |
| 187 | |
| 188 | /* asm/ucontext.h */ |
| 189 | struct ucontext32 { |
| 190 | __u32 uc_flags; |
| 191 | __u32 uc_link; /* pointer */ |
| 192 | stack_t32 uc_stack; |
| 193 | _sigregs32 uc_mcontext; |
| 194 | compat_sigset_t uc_sigmask; /* mask last for extensibility */ |
| 195 | }; |
| 196 | |
| 197 | #endif /* _ASM_S390X_S390_H */ |