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 <uapi/asm/setup.h>
   9
  10
  11 #define PARMAREA                0x10400
  12 #define MEMORY_CHUNKS           256
  13
  14 #ifndef __ASSEMBLY__
  15
  16 #include <asm/lowcore.h>
  17 #include <asm/types.h>
  18
  19 #ifndef CONFIG_64BIT
  20 #define IPL_DEVICE        (*(unsigned long *)  (0x10404))
  21 #define INITRD_START      (*(unsigned long *)  (0x1040C))
  22 #define INITRD_SIZE       (*(unsigned long *)  (0x10414))
  23 #define OLDMEM_BASE       (*(unsigned long *)  (0x1041C))
  24 #define OLDMEM_SIZE       (*(unsigned long *)  (0x10424))
  25 #else /* CONFIG_64BIT */
  26 #define IPL_DEVICE        (*(unsigned long *)  (0x10400))
  27 #define INITRD_START      (*(unsigned long *)  (0x10408))
  28 #define INITRD_SIZE       (*(unsigned long *)  (0x10410))
  29 #define OLDMEM_BASE       (*(unsigned long *)  (0x10418))
  30 #define OLDMEM_SIZE       (*(unsigned long *)  (0x10420))
  31 #endif /* CONFIG_64BIT */
  32 #define COMMAND_LINE      ((char *)            (0x10480))
  33
  34 #define CHUNK_READ_WRITE 0
  35 #define CHUNK_READ_ONLY  1
  36 #define CHUNK_OLDMEM     4
  37 #define CHUNK_CRASHK     5
  38
  39 struct mem_chunk {
  40         unsigned long addr;
  41         unsigned long size;
  42         int type;
  43 };
  44
  45 extern struct mem_chunk memory_chunk[];
  46 extern unsigned long real_memory_size;
  47 extern int memory_end_set;
  48 extern unsigned long memory_end;
  49
  50 void detect_memory_layout(struct mem_chunk chunk[]);
  51 void create_mem_hole(struct mem_chunk memory_chunk[], unsigned long addr,
  52                      unsigned long size, int type);
  53
  54 #define PRIMARY_SPACE_MODE      0
  55 #define ACCESS_REGISTER_MODE    1
  56 #define SECONDARY_SPACE_MODE    2
  57 #define HOME_SPACE_MODE         3
  58
  59 extern unsigned int s390_user_mode;
  60
  61 /*
  62  * Machine features detected in head.S
  63  */
  64
  65 #define MACHINE_FLAG_VM         (1UL << 0)
  66 #define MACHINE_FLAG_IEEE       (1UL << 1)
  67 #define MACHINE_FLAG_CSP        (1UL << 2)
  68 #define MACHINE_FLAG_MVPG       (1UL << 3)
  69 #define MACHINE_FLAG_DIAG44     (1UL << 4)
  70 #define MACHINE_FLAG_IDTE       (1UL << 5)
  71 #define MACHINE_FLAG_DIAG9C     (1UL << 6)
  72 #define MACHINE_FLAG_MVCOS      (1UL << 7)
  73 #define MACHINE_FLAG_KVM        (1UL << 8)
  74 #define MACHINE_FLAG_ESOP       (1UL << 9)
  75 #define MACHINE_FLAG_EDAT1      (1UL << 10)
  76 #define MACHINE_FLAG_EDAT2      (1UL << 11)
  77 #define MACHINE_FLAG_LPAR       (1UL << 12)
  78 #define MACHINE_FLAG_SPP        (1UL << 13)
  79 #define MACHINE_FLAG_TOPOLOGY   (1UL << 14)
  80 #define MACHINE_FLAG_TE         (1UL << 15)
  81 #define MACHINE_FLAG_RRBM       (1UL << 16)
  82
  83 #define MACHINE_IS_VM           (S390_lowcore.machine_flags & MACHINE_FLAG_VM)
  84 #define MACHINE_IS_KVM          (S390_lowcore.machine_flags & MACHINE_FLAG_KVM)
  85 #define MACHINE_IS_LPAR         (S390_lowcore.machine_flags & MACHINE_FLAG_LPAR)
  86
  87 #define MACHINE_HAS_DIAG9C      (S390_lowcore.machine_flags & MACHINE_FLAG_DIAG9C)
  88 #define MACHINE_HAS_ESOP        (S390_lowcore.machine_flags & MACHINE_FLAG_ESOP)
  89 #define MACHINE_HAS_PFMF        MACHINE_HAS_EDAT1
  90 #define MACHINE_HAS_HPAGE       MACHINE_HAS_EDAT1
  91
  92 #ifndef CONFIG_64BIT
  93 #define MACHINE_HAS_IEEE        (S390_lowcore.machine_flags & MACHINE_FLAG_IEEE)
  94 #define MACHINE_HAS_CSP         (S390_lowcore.machine_flags & MACHINE_FLAG_CSP)
  95 #define MACHINE_HAS_IDTE        (0)
  96 #define MACHINE_HAS_DIAG44      (1)
  97 #define MACHINE_HAS_MVPG        (S390_lowcore.machine_flags & MACHINE_FLAG_MVPG)
  98 #define MACHINE_HAS_MVCOS       (0)
  99 #define MACHINE_HAS_EDAT1       (0)
 100 #define MACHINE_HAS_EDAT2       (0)
 101 #define MACHINE_HAS_SPP         (0)
 102 #define MACHINE_HAS_TOPOLOGY    (0)
 103 #define MACHINE_HAS_TE          (0)
 104 #define MACHINE_HAS_RRBM        (0)
 105 #else /* CONFIG_64BIT */
 106 #define MACHINE_HAS_IEEE        (1)
 107 #define MACHINE_HAS_CSP         (1)
 108 #define MACHINE_HAS_IDTE        (S390_lowcore.machine_flags & MACHINE_FLAG_IDTE)
 109 #define MACHINE_HAS_DIAG44      (S390_lowcore.machine_flags & MACHINE_FLAG_DIAG44)
 110 #define MACHINE_HAS_MVPG        (1)
 111 #define MACHINE_HAS_MVCOS       (S390_lowcore.machine_flags & MACHINE_FLAG_MVCOS)
 112 #define MACHINE_HAS_EDAT1       (S390_lowcore.machine_flags & MACHINE_FLAG_EDAT1)
 113 #define MACHINE_HAS_EDAT2       (S390_lowcore.machine_flags & MACHINE_FLAG_EDAT2)
 114 #define MACHINE_HAS_SPP         (S390_lowcore.machine_flags & MACHINE_FLAG_SPP)
 115 #define MACHINE_HAS_TOPOLOGY    (S390_lowcore.machine_flags & MACHINE_FLAG_TOPOLOGY)
 116 #define MACHINE_HAS_TE          (S390_lowcore.machine_flags & MACHINE_FLAG_TE)
 117 #define MACHINE_HAS_RRBM        (S390_lowcore.machine_flags & MACHINE_FLAG_RRBM)
 118 #endif /* CONFIG_64BIT */
 119
 120 #define ZFCPDUMP_HSA_SIZE       (32UL<<20)
 121 #define ZFCPDUMP_HSA_SIZE_MAX   (64UL<<20)
 122
 123 /*
 124  * Console mode. Override with conmode=
 125  */
 126 extern unsigned int console_mode;
 127 extern unsigned int console_devno;
 128 extern unsigned int console_irq;
 129
 130 extern char vmhalt_cmd[];
 131 extern char vmpoff_cmd[];
 132
 133 #define CONSOLE_IS_UNDEFINED    (console_mode == 0)
 134 #define CONSOLE_IS_SCLP         (console_mode == 1)
 135 #define CONSOLE_IS_3215         (console_mode == 2)
 136 #define CONSOLE_IS_3270         (console_mode == 3)
 137 #define SET_CONSOLE_SCLP        do { console_mode = 1; } while (0)
 138 #define SET_CONSOLE_3215        do { console_mode = 2; } while (0)
 139 #define SET_CONSOLE_3270        do { console_mode = 3; } while (0)
 140
 141 #define NSS_NAME_SIZE   8
 142 extern char kernel_nss_name[];
 143
 144 #ifdef CONFIG_PFAULT
 145 extern int pfault_init(void);
 146 extern void pfault_fini(void);
 147 #else /* CONFIG_PFAULT */
 148 #define pfault_init()           ({-1;})
 149 #define pfault_fini()           do { } while (0)
 150 #endif /* CONFIG_PFAULT */
 151
 152 extern void cmma_init(void);
 153
 154 extern void (*_machine_restart)(char *command);
 155 extern void (*_machine_halt)(void);
 156 extern void (*_machine_power_off)(void);
 157
 158 #else /* __ASSEMBLY__ */
 159
 160 #ifndef CONFIG_64BIT
 161 #define IPL_DEVICE        0x10404
 162 #define INITRD_START      0x1040C
 163 #define INITRD_SIZE       0x10414
 164 #define OLDMEM_BASE       0x1041C
 165 #define OLDMEM_SIZE       0x10424
 166 #else /* CONFIG_64BIT */
 167 #define IPL_DEVICE        0x10400
 168 #define INITRD_START      0x10408
 169 #define INITRD_SIZE       0x10410
 170 #define OLDMEM_BASE       0x10418
 171 #define OLDMEM_SIZE       0x10420
 172 #endif /* CONFIG_64BIT */
 173 #define COMMAND_LINE      0x10480
 174
 175 #endif /* __ASSEMBLY__ */
 176 #endif /* _ASM_S390_SETUP_H */