LXR linux/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_NX         _BITUL(14)
  33#define MACHINE_FLAG_GS         _BITUL(15)
  34
  35#define LPP_MAGIC               _BITUL(31)
  36#define LPP_PFAULT_PID_MASK     _AC(0xffffffff, UL)
  37
  38#ifndef __ASSEMBLY__
  39
  40#include <asm/lowcore.h>
  41#include <asm/types.h>
  42
  43#define IPL_DEVICE        (*(unsigned long *)  (0x10400))
  44#define INITRD_START      (*(unsigned long *)  (0x10408))
  45#define INITRD_SIZE       (*(unsigned long *)  (0x10410))
  46#define OLDMEM_BASE       (*(unsigned long *)  (0x10418))
  47#define OLDMEM_SIZE       (*(unsigned long *)  (0x10420))
  48#define COMMAND_LINE      ((char *)            (0x10480))
  49
  50extern int memory_end_set;
  51extern unsigned long memory_end;
  52extern unsigned long max_physmem_end;
  53
  54extern void detect_memory_memblock(void);
  55
  56#define MACHINE_IS_VM           (S390_lowcore.machine_flags & MACHINE_FLAG_VM)
  57#define MACHINE_IS_KVM          (S390_lowcore.machine_flags & MACHINE_FLAG_KVM)
  58#define MACHINE_IS_LPAR         (S390_lowcore.machine_flags & MACHINE_FLAG_LPAR)
  59
  60#define MACHINE_HAS_DIAG9C      (S390_lowcore.machine_flags & MACHINE_FLAG_DIAG9C)
  61#define MACHINE_HAS_ESOP        (S390_lowcore.machine_flags & MACHINE_FLAG_ESOP)
  62#define MACHINE_HAS_IDTE        (S390_lowcore.machine_flags & MACHINE_FLAG_IDTE)
  63#define MACHINE_HAS_DIAG44      (S390_lowcore.machine_flags & MACHINE_FLAG_DIAG44)
  64#define MACHINE_HAS_EDAT1       (S390_lowcore.machine_flags & MACHINE_FLAG_EDAT1)
  65#define MACHINE_HAS_EDAT2       (S390_lowcore.machine_flags & MACHINE_FLAG_EDAT2)
  66#define MACHINE_HAS_LPP         (S390_lowcore.machine_flags & MACHINE_FLAG_LPP)
  67#define MACHINE_HAS_TOPOLOGY    (S390_lowcore.machine_flags & MACHINE_FLAG_TOPOLOGY)
  68#define MACHINE_HAS_TE          (S390_lowcore.machine_flags & MACHINE_FLAG_TE)
  69#define MACHINE_HAS_TLB_LC      (S390_lowcore.machine_flags & MACHINE_FLAG_TLB_LC)
  70#define MACHINE_HAS_VX          (S390_lowcore.machine_flags & MACHINE_FLAG_VX)
  71#define MACHINE_HAS_NX          (S390_lowcore.machine_flags & MACHINE_FLAG_NX)
  72#define MACHINE_HAS_GS          (S390_lowcore.machine_flags & MACHINE_FLAG_GS)
  73
  74/*
  75 * Console mode. Override with conmode=
  76 */
  77extern unsigned int console_mode;
  78extern unsigned int console_devno;
  79extern unsigned int console_irq;
  80
  81extern char vmhalt_cmd[];
  82extern char vmpoff_cmd[];
  83
  84#define CONSOLE_IS_UNDEFINED    (console_mode == 0)
  85#define CONSOLE_IS_SCLP         (console_mode == 1)
  86#define CONSOLE_IS_3215         (console_mode == 2)
  87#define CONSOLE_IS_3270         (console_mode == 3)
  88#define CONSOLE_IS_VT220        (console_mode == 4)
  89#define CONSOLE_IS_HVC          (console_mode == 5)
  90#define SET_CONSOLE_SCLP        do { console_mode = 1; } while (0)
  91#define SET_CONSOLE_3215        do { console_mode = 2; } while (0)
  92#define SET_CONSOLE_3270        do { console_mode = 3; } while (0)
  93#define SET_CONSOLE_VT220       do { console_mode = 4; } while (0)
  94#define SET_CONSOLE_HVC         do { console_mode = 5; } while (0)
  95
  96#define NSS_NAME_SIZE   8
  97extern char kernel_nss_name[];
  98
  99#ifdef CONFIG_PFAULT
 100extern int pfault_init(void);
 101extern void pfault_fini(void);
 102#else /* CONFIG_PFAULT */
 103#define pfault_init()           ({-1;})
 104#define pfault_fini()           do { } while (0)
 105#endif /* CONFIG_PFAULT */
 106
 107void report_user_fault(struct pt_regs *regs, long signr, int is_mm_fault);
 108
 109extern void cmma_init(void);
 110
 111extern void (*_machine_restart)(char *command);
 112extern void (*_machine_halt)(void);
 113extern void (*_machine_power_off)(void);
 114
 115#else /* __ASSEMBLY__ */
 116
 117#define IPL_DEVICE        0x10400
 118#define INITRD_START      0x10408
 119#define INITRD_SIZE       0x10410
 120#define OLDMEM_BASE       0x10418
 121#define OLDMEM_SIZE       0x10420
 122#define COMMAND_LINE      0x10480
 123
 124#endif /* __ASSEMBLY__ */
 125#endif /* _ASM_S390_SETUP_H */
 126