arch/s390/include/asm/setup.h

   1 /*
   2  *  S390 version
   3  *    Copyright IBM Corp. 1999, 2010
   4  */
   5 #ifndef _ASM_S390_SETUP_H
   6 #define _ASM_S390_SETUP_H
   7
   8 #include <linux/const.h>
   9 #include <uapi/asm/setup.h>
  10
  11
  12 #define PARMAREA                0x10400
  13
  14 /*
  15  * Machine features detected in early.c
  16  */
  17
  18 #define MACHINE_FLAG_VM         _BITUL(0)
  19 #define MACHINE_FLAG_KVM        _BITUL(1)
  20 #define MACHINE_FLAG_LPAR       _BITUL(2)
  21 #define MACHINE_FLAG_DIAG9C     _BITUL(3)
  22 #define MACHINE_FLAG_ESOP       _BITUL(4)
  23 #define MACHINE_FLAG_IDTE       _BITUL(5)
  24 #define MACHINE_FLAG_DIAG44     _BITUL(6)
  25 #define MACHINE_FLAG_EDAT1      _BITUL(7)
  26 #define MACHINE_FLAG_EDAT2      _BITUL(8)
  27 #define MACHINE_FLAG_LPP        _BITUL(9)
  28 #define MACHINE_FLAG_TOPOLOGY   _BITUL(10)
  29 #define MACHINE_FLAG_TE         _BITUL(11)
  30 #define MACHINE_FLAG_TLB_LC     _BITUL(12)
  31 #define MACHINE_FLAG_VX         _BITUL(13)
  32 #define MACHINE_FLAG_CAD        _BITUL(14)
  33
  34 #define LPP_MAGIC               _BITUL(31)
  35 #define LPP_PFAULT_PID_MASK     _AC(0xffffffff, UL)
  36
  37 #ifndef __ASSEMBLY__
  38
  39 #include <asm/lowcore.h>
  40 #include <asm/types.h>
  41
  42 #define IPL_DEVICE        (*(unsigned long *)  (0x10400))
  43 #define INITRD_START      (*(unsigned long *)  (0x10408))
  44 #define INITRD_SIZE       (*(unsigned long *)  (0x10410))
  45 #define OLDMEM_BASE       (*(unsigned long *)  (0x10418))
  46 #define OLDMEM_SIZE       (*(unsigned long *)  (0x10420))
  47 #define COMMAND_LINE      ((char *)            (0x10480))
  48
  49 extern int memory_end_set;
  50 extern unsigned long memory_end;
  51 extern unsigned long max_physmem_end;
  52
  53 extern void detect_memory_memblock(void);
  54
  55 #define MACHINE_IS_VM           (S390_lowcore.machine_flags & MACHINE_FLAG_VM)
  56 #define MACHINE_IS_KVM          (S390_lowcore.machine_flags & MACHINE_FLAG_KVM)
  57 #define MACHINE_IS_LPAR         (S390_lowcore.machine_flags & MACHINE_FLAG_LPAR)
  58
  59 #define MACHINE_HAS_DIAG9C      (S390_lowcore.machine_flags & MACHINE_FLAG_DIAG9C)
  60 #define MACHINE_HAS_ESOP        (S390_lowcore.machine_flags & MACHINE_FLAG_ESOP)
  61 #define MACHINE_HAS_PFMF        MACHINE_HAS_EDAT1
  62 #define MACHINE_HAS_HPAGE       MACHINE_HAS_EDAT1
  63
  64 #define MACHINE_HAS_IDTE        (S390_lowcore.machine_flags & MACHINE_FLAG_IDTE)
  65 #define MACHINE_HAS_DIAG44      (S390_lowcore.machine_flags & MACHINE_FLAG_DIAG44)
  66 #define MACHINE_HAS_EDAT1       (S390_lowcore.machine_flags & MACHINE_FLAG_EDAT1)
  67 #define MACHINE_HAS_EDAT2       (S390_lowcore.machine_flags & MACHINE_FLAG_EDAT2)
  68 #define MACHINE_HAS_LPP         (S390_lowcore.machine_flags & MACHINE_FLAG_LPP)
  69 #define MACHINE_HAS_TOPOLOGY    (S390_lowcore.machine_flags & MACHINE_FLAG_TOPOLOGY)
  70 #define MACHINE_HAS_TE          (S390_lowcore.machine_flags & MACHINE_FLAG_TE)
  71 #define MACHINE_HAS_TLB_LC      (S390_lowcore.machine_flags & MACHINE_FLAG_TLB_LC)
  72 #define MACHINE_HAS_VX          (S390_lowcore.machine_flags & MACHINE_FLAG_VX)
  73 #define MACHINE_HAS_CAD         (S390_lowcore.machine_flags & MACHINE_FLAG_CAD)
  74
  75 /*
  76  * Console mode. Override with conmode=
  77  */
  78 extern unsigned int console_mode;
  79 extern unsigned int console_devno;
  80 extern unsigned int console_irq;
  81
  82 extern char vmhalt_cmd[];
  83 extern char vmpoff_cmd[];
  84
  85 #define CONSOLE_IS_UNDEFINED    (console_mode == 0)
  86 #define CONSOLE_IS_SCLP         (console_mode == 1)
  87 #define CONSOLE_IS_3215         (console_mode == 2)
  88 #define CONSOLE_IS_3270         (console_mode == 3)
  89 #define SET_CONSOLE_SCLP        do { console_mode = 1; } while (0)
  90 #define SET_CONSOLE_3215        do { console_mode = 2; } while (0)
  91 #define SET_CONSOLE_3270        do { console_mode = 3; } while (0)
  92
  93 #define NSS_NAME_SIZE   8
  94 extern char kernel_nss_name[];
  95
  96 #ifdef CONFIG_PFAULT
  97 extern int pfault_init(void);
  98 extern void pfault_fini(void);
  99 #else /* CONFIG_PFAULT */
 100 #define pfault_init()           ({-1;})
 101 #define pfault_fini()           do { } while (0)
 102 #endif /* CONFIG_PFAULT */
 103
 104 void report_user_fault(struct pt_regs *regs, long signr, int is_mm_fault);
 105
 106 extern void cmma_init(void);
 107
 108 extern void (*_machine_restart)(char *command);
 109 extern void (*_machine_halt)(void);
 110 extern void (*_machine_power_off)(void);
 111
 112 #else /* __ASSEMBLY__ */
 113
 114 #define IPL_DEVICE        0x10400
 115 #define INITRD_START      0x10408
 116 #define INITRD_SIZE       0x10410
 117 #define OLDMEM_BASE       0x10418
 118 #define OLDMEM_SIZE       0x10420
 119 #define COMMAND_LINE      0x10480
 120
 121 #endif /* __ASSEMBLY__ */
 122 #endif /* _ASM_S390_SETUP_H */