linux/arch/x86/include/asm/apicdef.h
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   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_PERIODIC         (1 << 17)
 104#define         APIC_LVT_MASKED                 (1 << 16)
 105#define         APIC_LVT_LEVEL_TRIGGER          (1 << 15)
 106#define         APIC_LVT_REMOTE_IRR             (1 << 14)
 107#define         APIC_INPUT_POLARITY             (1 << 13)
 108#define         APIC_SEND_PENDING               (1 << 12)
 109#define         APIC_MODE_MASK                  0x700
 110#define         GET_APIC_DELIVERY_MODE(x)       (((x) >> 8) & 0x7)
 111#define         SET_APIC_DELIVERY_MODE(x, y)    (((x) & ~0x700) | ((y) << 8))
 112#define                 APIC_MODE_FIXED         0x0
 113#define                 APIC_MODE_NMI           0x4
 114#define                 APIC_MODE_EXTINT        0x7
 115#define APIC_LVT1       0x360
 116#define APIC_LVTERR     0x370
 117#define APIC_TMICT      0x380
 118#define APIC_TMCCT      0x390
 119#define APIC_TDCR       0x3E0
 120#define APIC_SELF_IPI   0x3F0
 121#define         APIC_TDR_DIV_TMBASE     (1 << 2)
 122#define         APIC_TDR_DIV_1          0xB
 123#define         APIC_TDR_DIV_2          0x0
 124#define         APIC_TDR_DIV_4          0x1
 125#define         APIC_TDR_DIV_8          0x2
 126#define         APIC_TDR_DIV_16         0x3
 127#define         APIC_TDR_DIV_32         0x8
 128#define         APIC_TDR_DIV_64         0x9
 129#define         APIC_TDR_DIV_128        0xA
 130#define APIC_EFEAT      0x400
 131#define APIC_ECTRL      0x410
 132#define APIC_EILVTn(n)  (0x500 + 0x10 * n)
 133#define         APIC_EILVT_NR_AMD_K8    1       /* # of extended interrupts */
 134#define         APIC_EILVT_NR_AMD_10H   4
 135#define         APIC_EILVT_NR_MAX       APIC_EILVT_NR_AMD_10H
 136#define         APIC_EILVT_LVTOFF(x)    (((x) >> 4) & 0xF)
 137#define         APIC_EILVT_MSG_FIX      0x0
 138#define         APIC_EILVT_MSG_SMI      0x2
 139#define         APIC_EILVT_MSG_NMI      0x4
 140#define         APIC_EILVT_MSG_EXT      0x7
 141#define         APIC_EILVT_MASKED       (1 << 16)
 142
 143#define APIC_BASE (fix_to_virt(FIX_APIC_BASE))
 144#define APIC_BASE_MSR   0x800
 145#define X2APIC_ENABLE   (1UL << 10)
 146
 147#ifdef CONFIG_X86_32
 148# define MAX_IO_APICS 64
 149# define MAX_LOCAL_APIC 256
 150#else
 151# define MAX_IO_APICS 128
 152# define MAX_LOCAL_APIC 32768
 153#endif
 154
 155/*
 156 * All x86-64 systems are xAPIC compatible.
 157 * In the following, "apicid" is a physical APIC ID.
 158 */
 159#define XAPIC_DEST_CPUS_SHIFT   4
 160#define XAPIC_DEST_CPUS_MASK    ((1u << XAPIC_DEST_CPUS_SHIFT) - 1)
 161#define XAPIC_DEST_CLUSTER_MASK (XAPIC_DEST_CPUS_MASK << XAPIC_DEST_CPUS_SHIFT)
 162#define APIC_CLUSTER(apicid)    ((apicid) & XAPIC_DEST_CLUSTER_MASK)
 163#define APIC_CLUSTERID(apicid)  (APIC_CLUSTER(apicid) >> XAPIC_DEST_CPUS_SHIFT)
 164#define APIC_CPUID(apicid)      ((apicid) & XAPIC_DEST_CPUS_MASK)
 165#define NUM_APIC_CLUSTERS       ((BAD_APICID + 1) >> XAPIC_DEST_CPUS_SHIFT)
 166
 167/*
 168 * the local APIC register structure, memory mapped. Not terribly well
 169 * tested, but we might eventually use this one in the future - the
 170 * problem why we cannot use it right now is the P5 APIC, it has an
 171 * errata which cannot take 8-bit reads and writes, only 32-bit ones ...
 172 */
 173#define u32 unsigned int
 174
 175struct local_apic {
 176
 177/*000*/ struct { u32 __reserved[4]; } __reserved_01;
 178
 179/*010*/ struct { u32 __reserved[4]; } __reserved_02;
 180
 181/*020*/ struct { /* APIC ID Register */
 182                u32   __reserved_1      : 24,
 183                        phys_apic_id    :  4,
 184                        __reserved_2    :  4;
 185                u32 __reserved[3];
 186        } id;
 187
 188/*030*/ const
 189        struct { /* APIC Version Register */
 190                u32   version           :  8,
 191                        __reserved_1    :  8,
 192                        max_lvt         :  8,
 193                        __reserved_2    :  8;
 194                u32 __reserved[3];
 195        } version;
 196
 197/*040*/ struct { u32 __reserved[4]; } __reserved_03;
 198
 199/*050*/ struct { u32 __reserved[4]; } __reserved_04;
 200
 201/*060*/ struct { u32 __reserved[4]; } __reserved_05;
 202
 203/*070*/ struct { u32 __reserved[4]; } __reserved_06;
 204
 205/*080*/ struct { /* Task Priority Register */
 206                u32   priority  :  8,
 207                        __reserved_1    : 24;
 208                u32 __reserved_2[3];
 209        } tpr;
 210
 211/*090*/ const
 212        struct { /* Arbitration Priority Register */
 213                u32   priority  :  8,
 214                        __reserved_1    : 24;
 215                u32 __reserved_2[3];
 216        } apr;
 217
 218/*0A0*/ const
 219        struct { /* Processor Priority Register */
 220                u32   priority  :  8,
 221                        __reserved_1    : 24;
 222                u32 __reserved_2[3];
 223        } ppr;
 224
 225/*0B0*/ struct { /* End Of Interrupt Register */
 226                u32   eoi;
 227                u32 __reserved[3];
 228        } eoi;
 229
 230/*0C0*/ struct { u32 __reserved[4]; } __reserved_07;
 231
 232/*0D0*/ struct { /* Logical Destination Register */
 233                u32   __reserved_1      : 24,
 234                        logical_dest    :  8;
 235                u32 __reserved_2[3];
 236        } ldr;
 237
 238/*0E0*/ struct { /* Destination Format Register */
 239                u32   __reserved_1      : 28,
 240                        model           :  4;
 241                u32 __reserved_2[3];
 242        } dfr;
 243
 244/*0F0*/ struct { /* Spurious Interrupt Vector Register */
 245                u32     spurious_vector :  8,
 246                        apic_enabled    :  1,
 247                        focus_cpu       :  1,
 248                        __reserved_2    : 22;
 249                u32 __reserved_3[3];
 250        } svr;
 251
 252/*100*/ struct { /* In Service Register */
 253/*170*/         u32 bitfield;
 254                u32 __reserved[3];
 255        } isr [8];
 256
 257/*180*/ struct { /* Trigger Mode Register */
 258/*1F0*/         u32 bitfield;
 259                u32 __reserved[3];
 260        } tmr [8];
 261
 262/*200*/ struct { /* Interrupt Request Register */
 263/*270*/         u32 bitfield;
 264                u32 __reserved[3];
 265        } irr [8];
 266
 267/*280*/ union { /* Error Status Register */
 268                struct {
 269                        u32   send_cs_error                     :  1,
 270                                receive_cs_error                :  1,
 271                                send_accept_error               :  1,
 272                                receive_accept_error            :  1,
 273                                __reserved_1                    :  1,
 274                                send_illegal_vector             :  1,
 275                                receive_illegal_vector          :  1,
 276                                illegal_register_address        :  1,
 277                                __reserved_2                    : 24;
 278                        u32 __reserved_3[3];
 279                } error_bits;
 280                struct {
 281                        u32 errors;
 282                        u32 __reserved_3[3];
 283                } all_errors;
 284        } esr;
 285
 286/*290*/ struct { u32 __reserved[4]; } __reserved_08;
 287
 288/*2A0*/ struct { u32 __reserved[4]; } __reserved_09;
 289
 290/*2B0*/ struct { u32 __reserved[4]; } __reserved_10;
 291
 292/*2C0*/ struct { u32 __reserved[4]; } __reserved_11;
 293
 294/*2D0*/ struct { u32 __reserved[4]; } __reserved_12;
 295
 296/*2E0*/ struct { u32 __reserved[4]; } __reserved_13;
 297
 298/*2F0*/ struct { u32 __reserved[4]; } __reserved_14;
 299
 300/*300*/ struct { /* Interrupt Command Register 1 */
 301                u32   vector                    :  8,
 302                        delivery_mode           :  3,
 303                        destination_mode        :  1,
 304                        delivery_status         :  1,
 305                        __reserved_1            :  1,
 306                        level                   :  1,
 307                        trigger                 :  1,
 308                        __reserved_2            :  2,
 309                        shorthand               :  2,
 310                        __reserved_3            :  12;
 311                u32 __reserved_4[3];
 312        } icr1;
 313
 314/*310*/ struct { /* Interrupt Command Register 2 */
 315                union {
 316                        u32   __reserved_1      : 24,
 317                                phys_dest       :  4,
 318                                __reserved_2    :  4;
 319                        u32   __reserved_3      : 24,
 320                                logical_dest    :  8;
 321                } dest;
 322                u32 __reserved_4[3];
 323        } icr2;
 324
 325/*320*/ struct { /* LVT - Timer */
 326                u32   vector            :  8,
 327                        __reserved_1    :  4,
 328                        delivery_status :  1,
 329                        __reserved_2    :  3,
 330                        mask            :  1,
 331                        timer_mode      :  1,
 332                        __reserved_3    : 14;
 333                u32 __reserved_4[3];
 334        } lvt_timer;
 335
 336/*330*/ struct { /* LVT - Thermal Sensor */
 337                u32  vector             :  8,
 338                        delivery_mode   :  3,
 339                        __reserved_1    :  1,
 340                        delivery_status :  1,
 341                        __reserved_2    :  3,
 342                        mask            :  1,
 343                        __reserved_3    : 15;
 344                u32 __reserved_4[3];
 345        } lvt_thermal;
 346
 347/*340*/ struct { /* LVT - Performance Counter */
 348                u32   vector            :  8,
 349                        delivery_mode   :  3,
 350                        __reserved_1    :  1,
 351                        delivery_status :  1,
 352                        __reserved_2    :  3,
 353                        mask            :  1,
 354                        __reserved_3    : 15;
 355                u32 __reserved_4[3];
 356        } lvt_pc;
 357
 358/*350*/ struct { /* LVT - LINT0 */
 359                u32   vector            :  8,
 360                        delivery_mode   :  3,
 361                        __reserved_1    :  1,
 362                        delivery_status :  1,
 363                        polarity        :  1,
 364                        remote_irr      :  1,
 365                        trigger         :  1,
 366                        mask            :  1,
 367                        __reserved_2    : 15;
 368                u32 __reserved_3[3];
 369        } lvt_lint0;
 370
 371/*360*/ struct { /* LVT - LINT1 */
 372                u32   vector            :  8,
 373                        delivery_mode   :  3,
 374                        __reserved_1    :  1,
 375                        delivery_status :  1,
 376                        polarity        :  1,
 377                        remote_irr      :  1,
 378                        trigger         :  1,
 379                        mask            :  1,
 380                        __reserved_2    : 15;
 381                u32 __reserved_3[3];
 382        } lvt_lint1;
 383
 384/*370*/ struct { /* LVT - Error */
 385                u32   vector            :  8,
 386                        __reserved_1    :  4,
 387                        delivery_status :  1,
 388                        __reserved_2    :  3,
 389                        mask            :  1,
 390                        __reserved_3    : 15;
 391                u32 __reserved_4[3];
 392        } lvt_error;
 393
 394/*380*/ struct { /* Timer Initial Count Register */
 395                u32   initial_count;
 396                u32 __reserved_2[3];
 397        } timer_icr;
 398
 399/*390*/ const
 400        struct { /* Timer Current Count Register */
 401                u32   curr_count;
 402                u32 __reserved_2[3];
 403        } timer_ccr;
 404
 405/*3A0*/ struct { u32 __reserved[4]; } __reserved_16;
 406
 407/*3B0*/ struct { u32 __reserved[4]; } __reserved_17;
 408
 409/*3C0*/ struct { u32 __reserved[4]; } __reserved_18;
 410
 411/*3D0*/ struct { u32 __reserved[4]; } __reserved_19;
 412
 413/*3E0*/ struct { /* Timer Divide Configuration Register */
 414                u32   divisor           :  4,
 415                        __reserved_1    : 28;
 416                u32 __reserved_2[3];
 417        } timer_dcr;
 418
 419/*3F0*/ struct { u32 __reserved[4]; } __reserved_20;
 420
 421} __attribute__ ((packed));
 422
 423#undef u32
 424
 425#ifdef CONFIG_X86_32
 426 #define BAD_APICID 0xFFu
 427#else
 428 #define BAD_APICID 0xFFFFu
 429#endif
 430
 431enum ioapic_irq_destination_types {
 432        dest_Fixed              = 0,
 433        dest_LowestPrio         = 1,
 434        dest_SMI                = 2,
 435        dest__reserved_1        = 3,
 436        dest_NMI                = 4,
 437        dest_INIT               = 5,
 438        dest__reserved_2        = 6,
 439        dest_ExtINT             = 7
 440};
 441
 442#endif /* _ASM_X86_APICDEF_H */
 443