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__) && !defined(__STRICT_ANSI__)
  32 typedef __signed__ long long __s64;
  33 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 #include <linux/config.h>
  62
  63 typedef signed char s8;
  64 typedef unsigned char u8;
  65
  66 typedef signed short s16;
  67 typedef unsigned short u16;
  68
  69 typedef signed int s32;
  70 typedef unsigned int u32;
  71
  72 #ifndef __s390x__
  73 typedef signed long long s64;
  74 typedef unsigned long long u64;
  75 #else /* __s390x__ */
  76 typedef signed long s64;
  77 typedef unsigned  long u64;
  78 #endif /* __s390x__ */
  79
  80 typedef u32 dma_addr_t;
  81
  82 #ifndef __s390x__
  83 typedef union {
  84         unsigned long long pair;
  85         struct {
  86                 unsigned long even;
  87                 unsigned long odd;
  88         } subreg;
  89 } register_pair;
  90
  91 #ifdef CONFIG_LBD
  92 typedef u64 sector_t;
  93 #define HAVE_SECTOR_T
  94 #endif
  95
  96 #endif /* ! __s390x__   */
  97 #endif /* __ASSEMBLY__  */
  98 #endif /* __KERNEL__    */
  99 #endif /* _S390_TYPES_H */