include/asm-s390/types.h

   1 /*
   2  *  include/asm-s390/types.h
   3  *
   4  *  S390 version
   5  *
   6  *  Derived from "include/asm-i386/types.h"
   7  */
   8
   9 #ifndef _S390_TYPES_H
  10 #define _S390_TYPES_H
  11
  12 #ifndef __ASSEMBLY__
  13
  14 typedef unsigned short umode_t;
  15
  16 /*
  17  * __xx is ok: it doesn't pollute the POSIX namespace. Use these in the
  18  * header files exported to user space
  19  */
  20
  21 typedef __signed__ char __s8;
  22 typedef unsigned char __u8;
  23
  24 typedef __signed__ short __s16;
  25 typedef unsigned short __u16;
  26
  27 typedef __signed__ int __s32;
  28 typedef unsigned int __u32;
  29
  30 #ifndef __s390x__
  31 #if defined(__GNUC__)
  32 __extension__ typedef __signed__ long long __s64;
  33 __extension__ typedef unsigned long long __u64;
  34 #endif
  35 #else /* __s390x__ */
  36 typedef __signed__ long __s64;
  37 typedef unsigned long __u64;
  38 #endif
  39
  40 /* A address type so that arithmetic can be done on it & it can be upgraded to
  41    64 bit when necessary
  42 */
  43 typedef unsigned long addr_t;
  44 typedef __signed__ long saddr_t;
  45
  46 #endif /* __ASSEMBLY__ */
  47
  48 /*
  49  * These aren't exported outside the kernel to avoid name space clashes
  50  */
  51 #ifdef __KERNEL__
  52
  53 #ifndef __s390x__
  54 #define BITS_PER_LONG 32
  55 #else
  56 #define BITS_PER_LONG 64
  57 #endif
  58
  59 #ifndef __ASSEMBLY__
  60
  61
  62 typedef signed char s8;
  63 typedef unsigned char u8;
  64
  65 typedef signed short s16;
  66 typedef unsigned short u16;
  67
  68 typedef signed int s32;
  69 typedef unsigned int u32;
  70
  71 #ifndef __s390x__
  72 typedef signed long long s64;
  73 typedef unsigned long long u64;
  74 #else /* __s390x__ */
  75 typedef signed long s64;
  76 typedef unsigned  long u64;
  77 #endif /* __s390x__ */
  78
  79 typedef u32 dma_addr_t;
  80
  81 #ifndef __s390x__
  82 typedef union {
  83         unsigned long long pair;
  84         struct {
  85                 unsigned long even;
  86                 unsigned long odd;
  87         } subreg;
  88 } register_pair;
  89
  90 #endif /* ! __s390x__   */
  91 #endif /* __ASSEMBLY__  */
  92 #endif /* __KERNEL__    */
  93 #endif /* _S390_TYPES_H */