arch/x86/include/asm/apicdef.h

   1 #ifndef _ASM_X86_APICDEF_H
   2 #define _ASM_X86_APICDEF_H
   3
   4 /*
   5  * Constants for various Intel APICs. (local APIC, IOAPIC, etc.)
   6  *
   7  * Alan Cox <Alan.Cox@linux.org>, 1995.
   8  * Ingo Molnar <mingo@redhat.com>, 1999, 2000
   9  */
  10
  11 #define APIC_DEFAULT_PHYS_BASE  0xfee00000
  12
  13 #define APIC_ID         0x20
  14
  15 #define APIC_LVR        0x30
  16 #define         APIC_LVR_MASK           0xFF00FF
  17 #define         GET_APIC_VERSION(x)     ((x) & 0xFFu)
  18 #define         GET_APIC_MAXLVT(x)      (((x) >> 16) & 0xFFu)
  19 #ifdef CONFIG_X86_32
  20 #  define       APIC_INTEGRATED(x)      ((x) & 0xF0u)
  21 #else
  22 #  define       APIC_INTEGRATED(x)      (1)
  23 #endif
  24 #define         APIC_XAPIC(x)           ((x) >= 0x14)
  25 #define         APIC_EXT_SPACE(x)       ((x) & 0x80000000)
  26 #define APIC_TASKPRI    0x80
  27 #define         APIC_TPRI_MASK          0xFFu
  28 #define APIC_ARBPRI     0x90
  29 #define         APIC_ARBPRI_MASK        0xFFu
  30 #define APIC_PROCPRI    0xA0
  31 #define APIC_EOI        0xB0
  32 #define         APIC_EIO_ACK            0x0
  33 #define APIC_RRR        0xC0
  34 #define APIC_LDR        0xD0
  35 #define         APIC_LDR_MASK           (0xFFu << 24)
  36 #define         GET_APIC_LOGICAL_ID(x)  (((x) >> 24) & 0xFFu)
  37 #define         SET_APIC_LOGICAL_ID(x)  (((x) << 24))
  38 #define         APIC_ALL_CPUS           0xFFu
  39 #define APIC_DFR        0xE0
  40 #define         APIC_DFR_CLUSTER                0x0FFFFFFFul
  41 #define         APIC_DFR_FLAT                   0xFFFFFFFFul
  42 #define APIC_SPIV       0xF0
  43 #define         APIC_SPIV_FOCUS_DISABLED        (1 << 9)
  44 #define         APIC_SPIV_APIC_ENABLED          (1 << 8)
  45 #define APIC_ISR        0x100
  46 #define APIC_ISR_NR     0x8     /* Number of 32 bit ISR registers. */
  47 #define APIC_TMR        0x180
  48 #define APIC_IRR        0x200
  49 #define APIC_ESR        0x280
  50 #define         APIC_ESR_SEND_CS        0x00001
  51 #define         APIC_ESR_RECV_CS        0x00002
  52 #define         APIC_ESR_SEND_ACC       0x00004
  53 #define         APIC_ESR_RECV_ACC       0x00008
  54 #define         APIC_ESR_SENDILL        0x00020
  55 #define         APIC_ESR_RECVILL        0x00040
  56 #define         APIC_ESR_ILLREGA        0x00080
  57 #define         APIC_LVTCMCI    0x2f0
  58 #define APIC_ICR        0x300
  59 #define         APIC_DEST_SELF          0x40000
  60 #define         APIC_DEST_ALLINC        0x80000
  61 #define         APIC_DEST_ALLBUT        0xC0000
  62 #define         APIC_ICR_RR_MASK        0x30000
  63 #define         APIC_ICR_RR_INVALID     0x00000
  64 #define         APIC_ICR_RR_INPROG      0x10000
  65 #define         APIC_ICR_RR_VALID       0x20000
  66 #define         APIC_INT_LEVELTRIG      0x08000
  67 #define         APIC_INT_ASSERT         0x04000
  68 #define         APIC_ICR_BUSY           0x01000
  69 #define         APIC_DEST_LOGICAL       0x00800
  70 #define         APIC_DEST_PHYSICAL      0x00000
  71 #define         APIC_DM_FIXED           0x00000
  72 #define         APIC_DM_LOWEST          0x00100
  73 #define         APIC_DM_SMI             0x00200
  74 #define         APIC_DM_REMRD           0x00300
  75 #define         APIC_DM_NMI             0x00400
  76 #define         APIC_DM_INIT            0x00500
  77 #define         APIC_DM_STARTUP         0x00600
  78 #define         APIC_DM_EXTINT          0x00700
  79 #define         APIC_VECTOR_MASK        0x000FF
  80 #define APIC_ICR2       0x310
  81 #define         GET_APIC_DEST_FIELD(x)  (((x) >> 24) & 0xFF)
  82 #define         SET_APIC_DEST_FIELD(x)  ((x) << 24)
  83 #define APIC_LVTT       0x320
  84 #define APIC_LVTTHMR    0x330
  85 #define APIC_LVTPC      0x340
  86 #define APIC_LVT0       0x350
  87 #define         APIC_LVT_TIMER_BASE_MASK        (0x3 << 18)
  88 #define         GET_APIC_TIMER_BASE(x)          (((x) >> 18) & 0x3)
  89 #define         SET_APIC_TIMER_BASE(x)          (((x) << 18))
  90 #define         APIC_TIMER_BASE_CLKIN           0x0
  91 #define         APIC_TIMER_BASE_TMBASE          0x1
  92 #define         APIC_TIMER_BASE_DIV             0x2
  93 #define         APIC_LVT_TIMER_PERIODIC         (1 << 17)
  94 #define         APIC_LVT_MASKED                 (1 << 16)
  95 #define         APIC_LVT_LEVEL_TRIGGER          (1 << 15)
  96 #define         APIC_LVT_REMOTE_IRR             (1 << 14)
  97 #define         APIC_INPUT_POLARITY             (1 << 13)
  98 #define         APIC_SEND_PENDING               (1 << 12)
  99 #define         APIC_MODE_MASK                  0x700
 100 #define         GET_APIC_DELIVERY_MODE(x)       (((x) >> 8) & 0x7)
 101 #define         SET_APIC_DELIVERY_MODE(x, y)    (((x) & ~0x700) | ((y) << 8))
 102 #define                 APIC_MODE_FIXED         0x0
 103 #define                 APIC_MODE_NMI           0x4
 104 #define                 APIC_MODE_EXTINT        0x7
 105 #define APIC_LVT1       0x360
 106 #define APIC_LVTERR     0x370
 107 #define APIC_TMICT      0x380
 108 #define APIC_TMCCT      0x390
 109 #define APIC_TDCR       0x3E0
 110 #define APIC_SELF_IPI   0x3F0
 111 #define         APIC_TDR_DIV_TMBASE     (1 << 2)
 112 #define         APIC_TDR_DIV_1          0xB
 113 #define         APIC_TDR_DIV_2          0x0
 114 #define         APIC_TDR_DIV_4          0x1
 115 #define         APIC_TDR_DIV_8          0x2
 116 #define         APIC_TDR_DIV_16         0x3
 117 #define         APIC_TDR_DIV_32         0x8
 118 #define         APIC_TDR_DIV_64         0x9
 119 #define         APIC_TDR_DIV_128        0xA
 120 #define APIC_EFEAT      0x400
 121 #define APIC_ECTRL      0x410
 122 #define APIC_EILVTn(n)  (0x500 + 0x10 * n)
 123 #define         APIC_EILVT_NR_AMD_K8    1       /* # of extended interrupts */
 124 #define         APIC_EILVT_NR_AMD_10H   4
 125 #define         APIC_EILVT_LVTOFF(x)    (((x) >> 4) & 0xF)
 126 #define         APIC_EILVT_MSG_FIX      0x0
 127 #define         APIC_EILVT_MSG_SMI      0x2
 128 #define         APIC_EILVT_MSG_NMI      0x4
 129 #define         APIC_EILVT_MSG_EXT      0x7
 130 #define         APIC_EILVT_MASKED       (1 << 16)
 131
 132 #define APIC_BASE (fix_to_virt(FIX_APIC_BASE))
 133 #define APIC_BASE_MSR   0x800
 134 #define X2APIC_ENABLE   (1UL << 10)
 135
 136 #ifdef CONFIG_X86_32
 137 # define MAX_IO_APICS 64
 138 #else
 139 # define MAX_IO_APICS 128
 140 # define MAX_LOCAL_APIC 32768
 141 #endif
 142
 143 /*
 144  * All x86-64 systems are xAPIC compatible.
 145  * In the following, "apicid" is a physical APIC ID.
 146  */
 147 #define XAPIC_DEST_CPUS_SHIFT   4
 148 #define XAPIC_DEST_CPUS_MASK    ((1u << XAPIC_DEST_CPUS_SHIFT) - 1)
 149 #define XAPIC_DEST_CLUSTER_MASK (XAPIC_DEST_CPUS_MASK << XAPIC_DEST_CPUS_SHIFT)
 150 #define APIC_CLUSTER(apicid)    ((apicid) & XAPIC_DEST_CLUSTER_MASK)
 151 #define APIC_CLUSTERID(apicid)  (APIC_CLUSTER(apicid) >> XAPIC_DEST_CPUS_SHIFT)
 152 #define APIC_CPUID(apicid)      ((apicid) & XAPIC_DEST_CPUS_MASK)
 153 #define NUM_APIC_CLUSTERS       ((BAD_APICID + 1) >> XAPIC_DEST_CPUS_SHIFT)
 154
 155 /*
 156  * the local APIC register structure, memory mapped. Not terribly well
 157  * tested, but we might eventually use this one in the future - the
 158  * problem why we cannot use it right now is the P5 APIC, it has an
 159  * errata which cannot take 8-bit reads and writes, only 32-bit ones ...
 160  */
 161 #define u32 unsigned int
 162
 163 struct local_apic {
 164
 165 /*000*/ struct { u32 __reserved[4]; } __reserved_01;
 166
 167 /*010*/ struct { u32 __reserved[4]; } __reserved_02;
 168
 169 /*020*/ struct { /* APIC ID Register */
 170                 u32   __reserved_1      : 24,
 171                         phys_apic_id    :  4,
 172                         __reserved_2    :  4;
 173                 u32 __reserved[3];
 174         } id;
 175
 176 /*030*/ const
 177         struct { /* APIC Version Register */
 178                 u32   version           :  8,
 179                         __reserved_1    :  8,
 180                         max_lvt         :  8,
 181                         __reserved_2    :  8;
 182                 u32 __reserved[3];
 183         } version;
 184
 185 /*040*/ struct { u32 __reserved[4]; } __reserved_03;
 186
 187 /*050*/ struct { u32 __reserved[4]; } __reserved_04;
 188
 189 /*060*/ struct { u32 __reserved[4]; } __reserved_05;
 190
 191 /*070*/ struct { u32 __reserved[4]; } __reserved_06;
 192
 193 /*080*/ struct { /* Task Priority Register */
 194                 u32   priority  :  8,
 195                         __reserved_1    : 24;
 196                 u32 __reserved_2[3];
 197         } tpr;
 198
 199 /*090*/ const
 200         struct { /* Arbitration Priority Register */
 201                 u32   priority  :  8,
 202                         __reserved_1    : 24;
 203                 u32 __reserved_2[3];
 204         } apr;
 205
 206 /*0A0*/ const
 207         struct { /* Processor Priority Register */
 208                 u32   priority  :  8,
 209                         __reserved_1    : 24;
 210                 u32 __reserved_2[3];
 211         } ppr;
 212
 213 /*0B0*/ struct { /* End Of Interrupt Register */
 214                 u32   eoi;
 215                 u32 __reserved[3];
 216         } eoi;
 217
 218 /*0C0*/ struct { u32 __reserved[4]; } __reserved_07;
 219
 220 /*0D0*/ struct { /* Logical Destination Register */
 221                 u32   __reserved_1      : 24,
 222                         logical_dest    :  8;
 223                 u32 __reserved_2[3];
 224         } ldr;
 225
 226 /*0E0*/ struct { /* Destination Format Register */
 227                 u32   __reserved_1      : 28,
 228                         model           :  4;
 229                 u32 __reserved_2[3];
 230         } dfr;
 231
 232 /*0F0*/ struct { /* Spurious Interrupt Vector Register */
 233                 u32     spurious_vector :  8,
 234                         apic_enabled    :  1,
 235                         focus_cpu       :  1,
 236                         __reserved_2    : 22;
 237                 u32 __reserved_3[3];
 238         } svr;
 239
 240 /*100*/ struct { /* In Service Register */
 241 /*170*/         u32 bitfield;
 242                 u32 __reserved[3];
 243         } isr [8];
 244
 245 /*180*/ struct { /* Trigger Mode Register */
 246 /*1F0*/         u32 bitfield;
 247                 u32 __reserved[3];
 248         } tmr [8];
 249
 250 /*200*/ struct { /* Interrupt Request Register */
 251 /*270*/         u32 bitfield;
 252                 u32 __reserved[3];
 253         } irr [8];
 254
 255 /*280*/ union { /* Error Status Register */
 256                 struct {
 257                         u32   send_cs_error                     :  1,
 258                                 receive_cs_error                :  1,
 259                                 send_accept_error               :  1,
 260                                 receive_accept_error            :  1,
 261                                 __reserved_1                    :  1,
 262                                 send_illegal_vector             :  1,
 263                                 receive_illegal_vector          :  1,
 264                                 illegal_register_address        :  1,
 265                                 __reserved_2                    : 24;
 266                         u32 __reserved_3[3];
 267                 } error_bits;
 268                 struct {
 269                         u32 errors;
 270                         u32 __reserved_3[3];
 271                 } all_errors;
 272         } esr;
 273
 274 /*290*/ struct { u32 __reserved[4]; } __reserved_08;
 275
 276 /*2A0*/ struct { u32 __reserved[4]; } __reserved_09;
 277
 278 /*2B0*/ struct { u32 __reserved[4]; } __reserved_10;
 279
 280 /*2C0*/ struct { u32 __reserved[4]; } __reserved_11;
 281
 282 /*2D0*/ struct { u32 __reserved[4]; } __reserved_12;
 283
 284 /*2E0*/ struct { u32 __reserved[4]; } __reserved_13;
 285
 286 /*2F0*/ struct { u32 __reserved[4]; } __reserved_14;
 287
 288 /*300*/ struct { /* Interrupt Command Register 1 */
 289                 u32   vector                    :  8,
 290                         delivery_mode           :  3,
 291                         destination_mode        :  1,
 292                         delivery_status         :  1,
 293                         __reserved_1            :  1,
 294                         level                   :  1,
 295                         trigger                 :  1,
 296                         __reserved_2            :  2,
 297                         shorthand               :  2,
 298                         __reserved_3            :  12;
 299                 u32 __reserved_4[3];
 300         } icr1;
 301
 302 /*310*/ struct { /* Interrupt Command Register 2 */
 303                 union {
 304                         u32   __reserved_1      : 24,
 305                                 phys_dest       :  4,
 306                                 __reserved_2    :  4;
 307                         u32   __reserved_3      : 24,
 308                                 logical_dest    :  8;
 309                 } dest;
 310                 u32 __reserved_4[3];
 311         } icr2;
 312
 313 /*320*/ struct { /* LVT - Timer */
 314                 u32   vector            :  8,
 315                         __reserved_1    :  4,
 316                         delivery_status :  1,
 317                         __reserved_2    :  3,
 318                         mask            :  1,
 319                         timer_mode      :  1,
 320                         __reserved_3    : 14;
 321                 u32 __reserved_4[3];
 322         } lvt_timer;
 323
 324 /*330*/ struct { /* LVT - Thermal Sensor */
 325                 u32  vector             :  8,
 326                         delivery_mode   :  3,
 327                         __reserved_1    :  1,
 328                         delivery_status :  1,
 329                         __reserved_2    :  3,
 330                         mask            :  1,
 331                         __reserved_3    : 15;
 332                 u32 __reserved_4[3];
 333         } lvt_thermal;
 334
 335 /*340*/ struct { /* LVT - Performance Counter */
 336                 u32   vector            :  8,
 337                         delivery_mode   :  3,
 338                         __reserved_1    :  1,
 339                         delivery_status :  1,
 340                         __reserved_2    :  3,
 341                         mask            :  1,
 342                         __reserved_3    : 15;
 343                 u32 __reserved_4[3];
 344         } lvt_pc;
 345
 346 /*350*/ struct { /* LVT - LINT0 */
 347                 u32   vector            :  8,
 348                         delivery_mode   :  3,
 349                         __reserved_1    :  1,
 350                         delivery_status :  1,
 351                         polarity        :  1,
 352                         remote_irr      :  1,
 353                         trigger         :  1,
 354                         mask            :  1,
 355                         __reserved_2    : 15;
 356                 u32 __reserved_3[3];
 357         } lvt_lint0;
 358
 359 /*360*/ struct { /* LVT - LINT1 */
 360                 u32   vector            :  8,
 361                         delivery_mode   :  3,
 362                         __reserved_1    :  1,
 363                         delivery_status :  1,
 364                         polarity        :  1,
 365                         remote_irr      :  1,
 366                         trigger         :  1,
 367                         mask            :  1,
 368                         __reserved_2    : 15;
 369                 u32 __reserved_3[3];
 370         } lvt_lint1;
 371
 372 /*370*/ struct { /* LVT - Error */
 373                 u32   vector            :  8,
 374                         __reserved_1    :  4,
 375                         delivery_status :  1,
 376                         __reserved_2    :  3,
 377                         mask            :  1,
 378                         __reserved_3    : 15;
 379                 u32 __reserved_4[3];
 380         } lvt_error;
 381
 382 /*380*/ struct { /* Timer Initial Count Register */
 383                 u32   initial_count;
 384                 u32 __reserved_2[3];
 385         } timer_icr;
 386
 387 /*390*/ const
 388         struct { /* Timer Current Count Register */
 389                 u32   curr_count;
 390                 u32 __reserved_2[3];
 391         } timer_ccr;
 392
 393 /*3A0*/ struct { u32 __reserved[4]; } __reserved_16;
 394
 395 /*3B0*/ struct { u32 __reserved[4]; } __reserved_17;
 396
 397 /*3C0*/ struct { u32 __reserved[4]; } __reserved_18;
 398
 399 /*3D0*/ struct { u32 __reserved[4]; } __reserved_19;
 400
 401 /*3E0*/ struct { /* Timer Divide Configuration Register */
 402                 u32   divisor           :  4,
 403                         __reserved_1    : 28;
 404                 u32 __reserved_2[3];
 405         } timer_dcr;
 406
 407 /*3F0*/ struct { u32 __reserved[4]; } __reserved_20;
 408
 409 } __attribute__ ((packed));
 410
 411 #undef u32
 412
 413 #ifdef CONFIG_X86_32
 414  #define BAD_APICID 0xFFu
 415 #else
 416  #define BAD_APICID 0xFFFFu
 417 #endif
 418 #endif /* _ASM_X86_APICDEF_H */