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 IO_APIC_DEFAULT_PHYS_BASE       0xfec00000
  12 #define APIC_DEFAULT_PHYS_BASE          0xfee00000
  13
  14 /*
  15  * This is the IO-APIC register space as specified
  16  * by Intel docs:
  17  */
  18 #define IO_APIC_SLOT_SIZE               1024
  19
  20 #define APIC_ID         0x20
  21
  22 #define APIC_LVR        0x30
  23 #define         APIC_LVR_MASK           0xFF00FF
  24 #define         APIC_LVR_DIRECTED_EOI   (1 << 24)
  25 #define         GET_APIC_VERSION(x)     ((x) & 0xFFu)
  26 #define         GET_APIC_MAXLVT(x)      (((x) >> 16) & 0xFFu)
  27 #ifdef CONFIG_X86_32
  28 #  define       APIC_INTEGRATED(x)      ((x) & 0xF0u)
  29 #else
  30 #  define       APIC_INTEGRATED(x)      (1)
  31 #endif
  32 #define         APIC_XAPIC(x)           ((x) >= 0x14)
  33 #define         APIC_EXT_SPACE(x)       ((x) & 0x80000000)
  34 #define APIC_TASKPRI    0x80
  35 #define         APIC_TPRI_MASK          0xFFu
  36 #define APIC_ARBPRI     0x90
  37 #define         APIC_ARBPRI_MASK        0xFFu
  38 #define APIC_PROCPRI    0xA0
  39 #define APIC_EOI        0xB0
  40 #define         APIC_EIO_ACK            0x0
  41 #define APIC_RRR        0xC0
  42 #define APIC_LDR        0xD0
  43 #define         APIC_LDR_MASK           (0xFFu << 24)
  44 #define         GET_APIC_LOGICAL_ID(x)  (((x) >> 24) & 0xFFu)
  45 #define         SET_APIC_LOGICAL_ID(x)  (((x) << 24))
  46 #define         APIC_ALL_CPUS           0xFFu
  47 #define APIC_DFR        0xE0
  48 #define         APIC_DFR_CLUSTER                0x0FFFFFFFul
  49 #define         APIC_DFR_FLAT                   0xFFFFFFFFul
  50 #define APIC_SPIV       0xF0
  51 #define         APIC_SPIV_DIRECTED_EOI          (1 << 12)
  52 #define         APIC_SPIV_FOCUS_DISABLED        (1 << 9)
  53 #define         APIC_SPIV_APIC_ENABLED          (1 << 8)
  54 #define APIC_ISR        0x100
  55 #define APIC_ISR_NR     0x8     /* Number of 32 bit ISR registers. */
  56 #define APIC_TMR        0x180
  57 #define APIC_IRR        0x200
  58 #define APIC_ESR        0x280
  59 #define         APIC_ESR_SEND_CS        0x00001
  60 #define         APIC_ESR_RECV_CS        0x00002
  61 #define         APIC_ESR_SEND_ACC       0x00004
  62 #define         APIC_ESR_RECV_ACC       0x00008
  63 #define         APIC_ESR_SENDILL        0x00020
  64 #define         APIC_ESR_RECVILL        0x00040
  65 #define         APIC_ESR_ILLREGA        0x00080
  66 #define         APIC_LVTCMCI    0x2f0
  67 #define APIC_ICR        0x300
  68 #define         APIC_DEST_SELF          0x40000
  69 #define         APIC_DEST_ALLINC        0x80000
  70 #define         APIC_DEST_ALLBUT        0xC0000
  71 #define         APIC_ICR_RR_MASK        0x30000
  72 #define         APIC_ICR_RR_INVALID     0x00000
  73 #define         APIC_ICR_RR_INPROG      0x10000
  74 #define         APIC_ICR_RR_VALID       0x20000
  75 #define         APIC_INT_LEVELTRIG      0x08000
  76 #define         APIC_INT_ASSERT         0x04000
  77 #define         APIC_ICR_BUSY           0x01000
  78 #define         APIC_DEST_LOGICAL       0x00800
  79 #define         APIC_DEST_PHYSICAL      0x00000
  80 #define         APIC_DM_FIXED           0x00000
  81 #define         APIC_DM_FIXED_MASK      0x00700
  82 #define         APIC_DM_LOWEST          0x00100
  83 #define         APIC_DM_SMI             0x00200
  84 #define         APIC_DM_REMRD           0x00300
  85 #define         APIC_DM_NMI             0x00400
  86 #define         APIC_DM_INIT            0x00500
  87 #define         APIC_DM_STARTUP         0x00600
  88 #define         APIC_DM_EXTINT          0x00700
  89 #define         APIC_VECTOR_MASK        0x000FF
  90 #define APIC_ICR2       0x310
  91 #define         GET_APIC_DEST_FIELD(x)  (((x) >> 24) & 0xFF)
  92 #define         SET_APIC_DEST_FIELD(x)  ((x) << 24)
  93 #define APIC_LVTT       0x320
  94 #define APIC_LVTTHMR    0x330
  95 #define APIC_LVTPC      0x340
  96 #define APIC_LVT0       0x350
  97 #define         APIC_LVT_TIMER_BASE_MASK        (0x3 << 18)
  98 #define         GET_APIC_TIMER_BASE(x)          (((x) >> 18) & 0x3)
  99 #define         SET_APIC_TIMER_BASE(x)          (((x) << 18))
 100 #define         APIC_TIMER_BASE_CLKIN           0x0
 101 #define         APIC_TIMER_BASE_TMBASE          0x1
 102 #define         APIC_TIMER_BASE_DIV             0x2
 103 #define         APIC_LVT_TIMER_ONESHOT          (0 << 17)
 104 #define         APIC_LVT_TIMER_PERIODIC         (1 << 17)
 105 #define         APIC_LVT_TIMER_TSCDEADLINE      (2 << 17)
 106 #define         APIC_LVT_MASKED                 (1 << 16)
 107 #define         APIC_LVT_LEVEL_TRIGGER          (1 << 15)
 108 #define         APIC_LVT_REMOTE_IRR             (1 << 14)
 109 #define         APIC_INPUT_POLARITY             (1 << 13)
 110 #define         APIC_SEND_PENDING               (1 << 12)
 111 #define         APIC_MODE_MASK                  0x700
 112 #define         GET_APIC_DELIVERY_MODE(x)       (((x) >> 8) & 0x7)
 113 #define         SET_APIC_DELIVERY_MODE(x, y)    (((x) & ~0x700) | ((y) << 8))
 114 #define                 APIC_MODE_FIXED         0x0
 115 #define                 APIC_MODE_NMI           0x4
 116 #define                 APIC_MODE_EXTINT        0x7
 117 #define APIC_LVT1       0x360
 118 #define APIC_LVTERR     0x370
 119 #define APIC_TMICT      0x380
 120 #define APIC_TMCCT      0x390
 121 #define APIC_TDCR       0x3E0
 122 #define APIC_SELF_IPI   0x3F0
 123 #define         APIC_TDR_DIV_TMBASE     (1 << 2)
 124 #define         APIC_TDR_DIV_1          0xB
 125 #define         APIC_TDR_DIV_2          0x0
 126 #define         APIC_TDR_DIV_4          0x1
 127 #define         APIC_TDR_DIV_8          0x2
 128 #define         APIC_TDR_DIV_16         0x3
 129 #define         APIC_TDR_DIV_32         0x8
 130 #define         APIC_TDR_DIV_64         0x9
 131 #define         APIC_TDR_DIV_128        0xA
 132 #define APIC_EFEAT      0x400
 133 #define APIC_ECTRL      0x410
 134 #define APIC_EILVTn(n)  (0x500 + 0x10 * n)
 135 #define         APIC_EILVT_NR_AMD_K8    1       /* # of extended interrupts */
 136 #define         APIC_EILVT_NR_AMD_10H   4
 137 #define         APIC_EILVT_NR_MAX       APIC_EILVT_NR_AMD_10H
 138 #define         APIC_EILVT_LVTOFF(x)    (((x) >> 4) & 0xF)
 139 #define         APIC_EILVT_MSG_FIX      0x0
 140 #define         APIC_EILVT_MSG_SMI      0x2
 141 #define         APIC_EILVT_MSG_NMI      0x4
 142 #define         APIC_EILVT_MSG_EXT      0x7
 143 #define         APIC_EILVT_MASKED       (1 << 16)
 144
 145 #define APIC_BASE (fix_to_virt(FIX_APIC_BASE))
 146 #define APIC_BASE_MSR   0x800
 147 #define XAPIC_ENABLE    (1UL << 11)
 148 #define X2APIC_ENABLE   (1UL << 10)
 149
 150 #ifdef CONFIG_X86_32
 151 # define MAX_IO_APICS 64
 152 # define MAX_LOCAL_APIC 256
 153 #else
 154 # define MAX_IO_APICS 128
 155 # define MAX_LOCAL_APIC 32768
 156 #endif
 157
 158 /*
 159  * All x86-64 systems are xAPIC compatible.
 160  * In the following, "apicid" is a physical APIC ID.
 161  */
 162 #define XAPIC_DEST_CPUS_SHIFT   4
 163 #define XAPIC_DEST_CPUS_MASK    ((1u << XAPIC_DEST_CPUS_SHIFT) - 1)
 164 #define XAPIC_DEST_CLUSTER_MASK (XAPIC_DEST_CPUS_MASK << XAPIC_DEST_CPUS_SHIFT)
 165 #define APIC_CLUSTER(apicid)    ((apicid) & XAPIC_DEST_CLUSTER_MASK)
 166 #define APIC_CLUSTERID(apicid)  (APIC_CLUSTER(apicid) >> XAPIC_DEST_CPUS_SHIFT)
 167 #define APIC_CPUID(apicid)      ((apicid) & XAPIC_DEST_CPUS_MASK)
 168 #define NUM_APIC_CLUSTERS       ((BAD_APICID + 1) >> XAPIC_DEST_CPUS_SHIFT)
 169
 170 /*
 171  * the local APIC register structure, memory mapped. Not terribly well
 172  * tested, but we might eventually use this one in the future - the
 173  * problem why we cannot use it right now is the P5 APIC, it has an
 174  * errata which cannot take 8-bit reads and writes, only 32-bit ones ...
 175  */
 176 #define u32 unsigned int
 177
 178 struct local_apic {
 179
 180 /*000*/ struct { u32 __reserved[4]; } __reserved_01;
 181
 182 /*010*/ struct { u32 __reserved[4]; } __reserved_02;
 183
 184 /*020*/ struct { /* APIC ID Register */
 185                 u32   __reserved_1      : 24,
 186                         phys_apic_id    :  4,
 187                         __reserved_2    :  4;
 188                 u32 __reserved[3];
 189         } id;
 190
 191 /*030*/ const
 192         struct { /* APIC Version Register */
 193                 u32   version           :  8,
 194                         __reserved_1    :  8,
 195                         max_lvt         :  8,
 196                         __reserved_2    :  8;
 197                 u32 __reserved[3];
 198         } version;
 199
 200 /*040*/ struct { u32 __reserved[4]; } __reserved_03;
 201
 202 /*050*/ struct { u32 __reserved[4]; } __reserved_04;
 203
 204 /*060*/ struct { u32 __reserved[4]; } __reserved_05;
 205
 206 /*070*/ struct { u32 __reserved[4]; } __reserved_06;
 207
 208 /*080*/ struct { /* Task Priority Register */
 209                 u32   priority  :  8,
 210                         __reserved_1    : 24;
 211                 u32 __reserved_2[3];
 212         } tpr;
 213
 214 /*090*/ const
 215         struct { /* Arbitration Priority Register */
 216                 u32   priority  :  8,
 217                         __reserved_1    : 24;
 218                 u32 __reserved_2[3];
 219         } apr;
 220
 221 /*0A0*/ const
 222         struct { /* Processor Priority Register */
 223                 u32   priority  :  8,
 224                         __reserved_1    : 24;
 225                 u32 __reserved_2[3];
 226         } ppr;
 227
 228 /*0B0*/ struct { /* End Of Interrupt Register */
 229                 u32   eoi;
 230                 u32 __reserved[3];
 231         } eoi;
 232
 233 /*0C0*/ struct { u32 __reserved[4]; } __reserved_07;
 234
 235 /*0D0*/ struct { /* Logical Destination Register */
 236                 u32   __reserved_1      : 24,
 237                         logical_dest    :  8;
 238                 u32 __reserved_2[3];
 239         } ldr;
 240
 241 /*0E0*/ struct { /* Destination Format Register */
 242                 u32   __reserved_1      : 28,
 243                         model           :  4;
 244                 u32 __reserved_2[3];
 245         } dfr;
 246
 247 /*0F0*/ struct { /* Spurious Interrupt Vector Register */
 248                 u32     spurious_vector :  8,
 249                         apic_enabled    :  1,
 250                         focus_cpu       :  1,
 251                         __reserved_2    : 22;
 252                 u32 __reserved_3[3];
 253         } svr;
 254
 255 /*100*/ struct { /* In Service Register */
 256 /*170*/         u32 bitfield;
 257                 u32 __reserved[3];
 258         } isr [8];
 259
 260 /*180*/ struct { /* Trigger Mode Register */
 261 /*1F0*/         u32 bitfield;
 262                 u32 __reserved[3];
 263         } tmr [8];
 264
 265 /*200*/ struct { /* Interrupt Request Register */
 266 /*270*/         u32 bitfield;
 267                 u32 __reserved[3];
 268         } irr [8];
 269
 270 /*280*/ union { /* Error Status Register */
 271                 struct {
 272                         u32   send_cs_error                     :  1,
 273                                 receive_cs_error                :  1,
 274                                 send_accept_error               :  1,
 275                                 receive_accept_error            :  1,
 276                                 __reserved_1                    :  1,
 277                                 send_illegal_vector             :  1,
 278                                 receive_illegal_vector          :  1,
 279                                 illegal_register_address        :  1,
 280                                 __reserved_2                    : 24;
 281                         u32 __reserved_3[3];
 282                 } error_bits;
 283                 struct {
 284                         u32 errors;
 285                         u32 __reserved_3[3];
 286                 } all_errors;
 287         } esr;
 288
 289 /*290*/ struct { u32 __reserved[4]; } __reserved_08;
 290
 291 /*2A0*/ struct { u32 __reserved[4]; } __reserved_09;
 292
 293 /*2B0*/ struct { u32 __reserved[4]; } __reserved_10;
 294
 295 /*2C0*/ struct { u32 __reserved[4]; } __reserved_11;
 296
 297 /*2D0*/ struct { u32 __reserved[4]; } __reserved_12;
 298
 299 /*2E0*/ struct { u32 __reserved[4]; } __reserved_13;
 300
 301 /*2F0*/ struct { u32 __reserved[4]; } __reserved_14;
 302
 303 /*300*/ struct { /* Interrupt Command Register 1 */
 304                 u32   vector                    :  8,
 305                         delivery_mode           :  3,
 306                         destination_mode        :  1,
 307                         delivery_status         :  1,
 308                         __reserved_1            :  1,
 309                         level                   :  1,
 310                         trigger                 :  1,
 311                         __reserved_2            :  2,
 312                         shorthand               :  2,
 313                         __reserved_3            :  12;
 314                 u32 __reserved_4[3];
 315         } icr1;
 316
 317 /*310*/ struct { /* Interrupt Command Register 2 */
 318                 union {
 319                         u32   __reserved_1      : 24,
 320                                 phys_dest       :  4,
 321                                 __reserved_2    :  4;
 322                         u32   __reserved_3      : 24,
 323                                 logical_dest    :  8;
 324                 } dest;
 325                 u32 __reserved_4[3];
 326         } icr2;
 327
 328 /*320*/ struct { /* LVT - Timer */
 329                 u32   vector            :  8,
 330                         __reserved_1    :  4,
 331                         delivery_status :  1,
 332                         __reserved_2    :  3,
 333                         mask            :  1,
 334                         timer_mode      :  1,
 335                         __reserved_3    : 14;
 336                 u32 __reserved_4[3];
 337         } lvt_timer;
 338
 339 /*330*/ struct { /* LVT - Thermal Sensor */
 340                 u32  vector             :  8,
 341                         delivery_mode   :  3,
 342                         __reserved_1    :  1,
 343                         delivery_status :  1,
 344                         __reserved_2    :  3,
 345                         mask            :  1,
 346                         __reserved_3    : 15;
 347                 u32 __reserved_4[3];
 348         } lvt_thermal;
 349
 350 /*340*/ struct { /* LVT - Performance Counter */
 351                 u32   vector            :  8,
 352                         delivery_mode   :  3,
 353                         __reserved_1    :  1,
 354                         delivery_status :  1,
 355                         __reserved_2    :  3,
 356                         mask            :  1,
 357                         __reserved_3    : 15;
 358                 u32 __reserved_4[3];
 359         } lvt_pc;
 360
 361 /*350*/ struct { /* LVT - LINT0 */
 362                 u32   vector            :  8,
 363                         delivery_mode   :  3,
 364                         __reserved_1    :  1,
 365                         delivery_status :  1,
 366                         polarity        :  1,
 367                         remote_irr      :  1,
 368                         trigger         :  1,
 369                         mask            :  1,
 370                         __reserved_2    : 15;
 371                 u32 __reserved_3[3];
 372         } lvt_lint0;
 373
 374 /*360*/ struct { /* LVT - LINT1 */
 375                 u32   vector            :  8,
 376                         delivery_mode   :  3,
 377                         __reserved_1    :  1,
 378                         delivery_status :  1,
 379                         polarity        :  1,
 380                         remote_irr      :  1,
 381                         trigger         :  1,
 382                         mask            :  1,
 383                         __reserved_2    : 15;
 384                 u32 __reserved_3[3];
 385         } lvt_lint1;
 386
 387 /*370*/ struct { /* LVT - Error */
 388                 u32   vector            :  8,
 389                         __reserved_1    :  4,
 390                         delivery_status :  1,
 391                         __reserved_2    :  3,
 392                         mask            :  1,
 393                         __reserved_3    : 15;
 394                 u32 __reserved_4[3];
 395         } lvt_error;
 396
 397 /*380*/ struct { /* Timer Initial Count Register */
 398                 u32   initial_count;
 399                 u32 __reserved_2[3];
 400         } timer_icr;
 401
 402 /*390*/ const
 403         struct { /* Timer Current Count Register */
 404                 u32   curr_count;
 405                 u32 __reserved_2[3];
 406         } timer_ccr;
 407
 408 /*3A0*/ struct { u32 __reserved[4]; } __reserved_16;
 409
 410 /*3B0*/ struct { u32 __reserved[4]; } __reserved_17;
 411
 412 /*3C0*/ struct { u32 __reserved[4]; } __reserved_18;
 413
 414 /*3D0*/ struct { u32 __reserved[4]; } __reserved_19;
 415
 416 /*3E0*/ struct { /* Timer Divide Configuration Register */
 417                 u32   divisor           :  4,
 418                         __reserved_1    : 28;
 419                 u32 __reserved_2[3];
 420         } timer_dcr;
 421
 422 /*3F0*/ struct { u32 __reserved[4]; } __reserved_20;
 423
 424 } __attribute__ ((packed));
 425
 426 #undef u32
 427
 428 #ifdef CONFIG_X86_32
 429  #define BAD_APICID 0xFFu
 430 #else
 431  #define BAD_APICID 0xFFFFu
 432 #endif
 433
 434 enum ioapic_irq_destination_types {
 435         dest_Fixed              = 0,
 436         dest_LowestPrio         = 1,
 437         dest_SMI                = 2,
 438         dest__reserved_1        = 3,
 439         dest_NMI                = 4,
 440         dest_INIT               = 5,
 441         dest__reserved_2        = 6,
 442         dest_ExtINT             = 7
 443 };
 444
 445 #endif /* _ASM_X86_APICDEF_H */