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 */ 198