1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 /* 22 * Copyright (c) 1993, 2010, Oracle and/or its affiliates. All rights reserved. 23 */ 24 25 #ifndef _SYS_APIC_APIC_H 26 #define _SYS_APIC_APIC_H 27 28 #include <sys/psm_types.h> 29 #include <sys/avintr.h> 30 #include <sys/pci.h> 31 32 #ifdef __cplusplus 33 extern "C" { 34 #endif 35 36 #include <sys/psm_common.h> 37 38 #define APIC_PCPLUSMP_NAME "pcplusmp" 39 40 #define APIC_IO_ADDR 0xfec00000 41 #define APIC_LOCAL_ADDR 0xfee00000 42 #define APIC_IO_MEMLEN 0xf 43 #define APIC_LOCAL_MEMLEN 0xfffff 44 45 /* Local Unit ID register */ 46 #define APIC_LID_REG 0x8 47 48 /* I/o Unit Version Register */ 49 #define APIC_VERS_REG 0xc 50 51 /* Task Priority register */ 52 #define APIC_TASK_REG 0x20 53 54 /* EOI register */ 55 #define APIC_EOI_REG 0x2c 56 57 /* Remote Read register */ 58 #define APIC_REMOTE_READ 0x30 59 60 /* Logical Destination register */ 61 #define APIC_DEST_REG 0x34 62 63 /* Destination Format register */ 64 #define APIC_FORMAT_REG 0x38 65 66 /* Spurious Interrupt Vector register */ 67 #define APIC_SPUR_INT_REG 0x3c 68 69 /* Error Status Register */ 70 #define APIC_ERROR_STATUS 0xa0 71 72 /* Interrupt Command registers */ 73 #define APIC_INT_CMD1 0xc0 74 #define APIC_INT_CMD2 0xc4 75 76 /* Timer Vector Table register */ 77 #define APIC_LOCAL_TIMER 0xc8 78 79 /* Local Interrupt Vector registers */ 80 #define APIC_CMCI_VECT 0xbc 81 #define APIC_THERM_VECT 0xcc 82 #define APIC_PCINT_VECT 0xd0 83 #define APIC_INT_VECT0 0xd4 84 #define APIC_INT_VECT1 0xd8 85 #define APIC_ERR_VECT 0xdc 86 87 /* IPL for performance counter interrupts */ 88 #define APIC_PCINT_IPL 0xe 89 #define APIC_LVT_MASK 0x10000 /* Mask bit (16) in LVT */ 90 91 /* Initial Count register */ 92 #define APIC_INIT_COUNT 0xe0 93 94 /* Current Count Register */ 95 #define APIC_CURR_COUNT 0xe4 96 #define APIC_CURR_ADD 0x39 /* used for remote read command */ 97 #define CURR_COUNT_OFFSET (sizeof (int32_t) * APIC_CURR_COUNT) 98 99 /* Divider Configuration Register */ 100 #define APIC_DIVIDE_REG 0xf8 101 102 /* Various mode for local APIC. Modes are mutually exclusive */ 103 #define APIC_IS_DISABLED 0x0 104 #define APIC_MODE_NOTSET 0x1 105 #define LOCAL_APIC 0x2 106 #define LOCAL_X2APIC 0x3 107 108 /* x2APIC SELF IPI Register */ 109 #define X2APIC_SELF_IPI 0xFC 110 111 /* General x2APIC constants used at various places */ 112 #define APIC_SVR_SUPPRESS_BROADCAST_EOI 0x1000 113 #define APIC_DIRECTED_EOI_BIT 0x1000000 114 115 /* IRR register */ 116 #define APIC_IRR_REG 0x80 117 118 /* ISR register */ 119 #define APIC_ISR_REG 0x40 120 121 #define APIC_IO_REG 0x0 122 #define APIC_IO_DATA 0x4 123 #define APIC_IO_EOI 0x10 124 125 /* Bit offset of APIC ID in LID_REG, INT_CMD and in DEST_REG */ 126 #define APIC_ID_BIT_OFFSET 24 127 #define APIC_ICR_ID_BIT_OFFSET 24 128 #define APIC_LDR_ID_BIT_OFFSET 24 129 130 /* 131 * Choose between flat and clustered models by writing the following to the 132 * FORMAT_REG. 82489 DX documentation seemed to suggest that writing 0 will 133 * disable logical destination mode. 134 * Does not seem to be in the docs for local APICs on the processors. 135 */ 136 #define APIC_FLAT_MODEL 0xFFFFFFFFUL 137 #define APIC_CLUSTER_MODEL 0x0FFFFFFF 138 139 /* 140 * The commands which follow are window selectors written to APIC_IO_REG 141 * before data can be read/written from/to APIC_IO_DATA 142 */ 143 144 #define APIC_ID_CMD 0x0 145 #define APIC_VERS_CMD 0x1 146 #define APIC_RDT_CMD 0x10 147 #define APIC_RDT_CMD2 0x11 148 149 #define APIC_INTEGRATED_VERS 0x10 /* 0x10 & above indicates integrated */ 150 #define IOAPIC_VER_82489DX 0x01 /* Version ID: 82489DX External APIC */ 151 152 #define APIC_INT_SPURIOUS -1 153 154 #define APIC_IMCR_P1 0x22 /* int mode conf register port 1 */ 155 #define APIC_IMCR_P2 0x23 /* int mode conf register port 2 */ 156 #define APIC_IMCR_SELECT 0x70 /* select imcr by writing into P1 */ 157 #define APIC_IMCR_PIC 0x0 /* selects PIC mode (8259-> BSP) */ 158 #define APIC_IMCR_APIC 0x1 /* selects APIC mode (8259->APIC) */ 159 160 #define APIC_CT_VECT 0x4ac /* conf table vector */ 161 #define APIC_CT_SIZE 1024 /* conf table size */ 162 163 #define APIC_ID 'MPAT' /* conf table signature */ 164 165 #define VENID_AMD 0x1022 166 #define DEVID_8131_IOAPIC 0x7451 167 #define DEVID_8132_IOAPIC 0x7459 168 169 #define IOAPICS_NODE_NAME "ioapics" 170 #define IOAPICS_CHILD_NAME "ioapic" 171 #define IOAPICS_DEV_TYPE "ioapic" 172 #define IOAPICS_PROP_VENID "vendor-id" 173 #define IOAPICS_PROP_DEVID "device-id" 174 175 #define IS_CLASS_IOAPIC(b, s, p) \ 176 ((b) == PCI_CLASS_PERIPH && (s) == PCI_PERIPH_PIC && \ 177 ((p) == PCI_PERIPH_PIC_IF_IO_APIC || \ 178 (p) == PCI_PERIPH_PIC_IF_IOX_APIC)) 179 180 /* 181 * These macros are used in frequently called routines like 182 * apic_intr_enter(). 183 */ 184 #define X2APIC_WRITE(reg, v) \ 185 wrmsr((REG_X2APIC_BASE_MSR + (reg >> 2)), v) 186 187 #define LOCAL_APIC_WRITE_REG(reg, v) \ 188 apicadr[reg] = v 189 190 /* 191 * MP floating pointer structure defined in Intel MP Spec 1.1 192 */ 193 struct apic_mpfps_hdr { 194 uint32_t mpfps_sig; /* _MP_ (0x5F4D505F) */ 195 uint32_t mpfps_mpct_paddr; /* paddr of MP configuration tbl */ 196 uchar_t mpfps_length; /* in paragraph (16-bytes units) */ 197 uchar_t mpfps_spec_rev; /* version number of MP spec */ 198 uchar_t mpfps_checksum; /* checksum of complete structure */ 199 uchar_t mpfps_featinfo1; /* mp feature info bytes 1 */ 200 uchar_t mpfps_featinfo2; /* mp feature info bytes 2 */ 201 uchar_t mpfps_featinfo3; /* mp feature info bytes 3 */ 202 uchar_t mpfps_featinfo4; /* mp feature info bytes 4 */ 203 uchar_t mpfps_featinfo5; /* mp feature info bytes 5 */ 204 }; 205 206 #define MPFPS_FEATINFO2_IMCRP 0x80 /* IMCRP presence bit */ 207 208 #define APIC_MPS_OEM_ID_LEN 8 209 #define APIC_MPS_PROD_ID_LEN 12 210 211 struct apic_mp_cnf_hdr { 212 uint_t mpcnf_sig; 213 214 uint_t mpcnf_tbl_length: 16, 215 mpcnf_spec: 8, 216 mpcnf_cksum: 8; 217 218 char mpcnf_oem_str[APIC_MPS_OEM_ID_LEN]; 219 220 char mpcnf_prod_str[APIC_MPS_PROD_ID_LEN]; 221 222 uint_t mpcnf_oem_ptr; 223 224 uint_t mpcnf_oem_tbl_size: 16, 225 mpcnf_entry_cnt: 16; 226 227 uint_t mpcnf_local_apic; 228 229 uint_t mpcnf_resv; 230 }; 231 232 struct apic_procent { 233 uint_t proc_entry: 8, 234 proc_apicid: 8, 235 proc_version: 8, 236 proc_cpuflags: 8; 237 238 uint_t proc_stepping: 4, 239 proc_model: 4, 240 proc_family: 4, 241 proc_type: 2, /* undocumented feature */ 242 proc_resv1: 18; 243 244 uint_t proc_feature; 245 246 uint_t proc_resv2; 247 248 uint_t proc_resv3; 249 }; 250 251 /* 252 * proc_cpuflags definitions 253 */ 254 #define CPUFLAGS_EN 1 /* if not set, this processor is unusable */ 255 #define CPUFLAGS_BP 2 /* set if this is the bootstrap processor */ 256 257 258 struct apic_bus { 259 uchar_t bus_entry; 260 uchar_t bus_id; 261 ushort_t bus_str1; 262 uint_t bus_str2; 263 }; 264 265 struct apic_io_entry { 266 uint_t io_entry: 8, 267 io_apicid: 8, 268 io_version: 8, 269 io_flags: 8; 270 271 uint_t io_apic_addr; 272 }; 273 274 #define IOAPIC_FLAGS_EN 0x01 /* this I/O apic is enable or not */ 275 276 #define MAX_IO_APIC 32 /* maximum # of IOAPICs supported */ 277 278 struct apic_io_intr { 279 uint_t intr_entry: 8, 280 intr_type: 8, 281 intr_po: 2, 282 intr_el: 2, 283 intr_resv: 12; 284 285 uint_t intr_busid: 8, 286 intr_irq: 8, 287 intr_destid: 8, 288 intr_destintin: 8; 289 }; 290 291 /* 292 * intr_type definitions 293 */ 294 #define IO_INTR_INT 0x00 295 #define IO_INTR_NMI 0x01 296 #define IO_INTR_SMI 0x02 297 #define IO_INTR_EXTINT 0x03 298 299 /* 300 * destination APIC ID 301 */ 302 #define INTR_ALL_APIC 0xff 303 304 305 /* local vector table */ 306 #define AV_MASK 0x10000 307 308 /* interrupt command register 32-63 */ 309 #define AV_TOALL 0x7fffffff 310 #define AV_HIGH_ORDER 0x40000000 311 #define AV_IM_OFF 0x40000000 312 313 /* interrupt command register 0-31 */ 314 #define AV_DELIV_MODE 0x700 315 316 #define AV_FIXED 0x000 317 #define AV_LOPRI 0x100 318 #define AV_SMI 0x200 319 #define AV_REMOTE 0x300 320 #define AV_NMI 0x400 321 #define AV_RESET 0x500 322 #define AV_STARTUP 0x600 323 #define AV_EXTINT 0x700 324 325 #define AV_PDEST 0x000 326 #define AV_LDEST 0x800 327 328 /* IO & Local APIC Bit Definitions */ 329 #define RDT_VECTOR(x) ((uchar_t)((x) & 0xFF)) 330 #define AV_PENDING 0x1000 331 #define AV_ACTIVE_LOW 0x2000 /* only for integrated APIC */ 332 #define AV_REMOTE_IRR 0x4000 /* IOAPIC RDT-specific */ 333 #define AV_LEVEL 0x8000 334 #define AV_DEASSERT AV_LEVEL 335 #define AV_ASSERT 0xc000 336 337 #define AV_READ_PENDING 0x10000 338 #define AV_REMOTE_STATUS 0x20000 /* 1 = valid, 0 = invalid */ 339 340 #define AV_SH_SELF 0x40000 /* Short hand for self */ 341 #define AV_SH_ALL_INCSELF 0x80000 /* All processors */ 342 #define AV_SH_ALL_EXCSELF 0xc0000 /* All excluding self */ 343 /* spurious interrupt vector register */ 344 #define AV_UNIT_ENABLE 0x100 345 346 /* timer vector table */ 347 #define AV_TIME 0x20000 /* Set timer mode to periodic */ 348 349 #define APIC_MAXVAL 0xffffffffUL 350 #define APIC_TIME_MIN 0x5000 351 #define APIC_TIME_COUNT 0x4000 352 353 /* 354 * Range of the low byte value in apic_tick before starting calibration 355 */ 356 #define APIC_LB_MIN 0x60 357 #define APIC_LB_MAX 0xe0 358 359 #define APIC_MAX_VECTOR 255 360 #define APIC_RESV_VECT 0x00 361 #define APIC_RESV_IRQ 0xfe 362 #define APIC_BASE_VECT 0x20 /* This will come in as interrupt 0 */ 363 #define APIC_AVAIL_VECTOR (APIC_MAX_VECTOR+1-APIC_BASE_VECT) 364 #define APIC_VECTOR_PER_IPL 0x10 /* # of vectors before PRI changes */ 365 #define APIC_VECTOR(ipl) (apic_ipltopri[ipl] | APIC_RESV_VECT) 366 #define APIC_VECTOR_MASK 0x0f 367 #define APIC_HI_PRI_VECTS 2 /* vects reserved for hi pri reqs */ 368 #define APIC_IPL_MASK 0xf0 369 #define APIC_IPL_SHIFT 4 /* >> to get ipl part of vector */ 370 #define APIC_FIRST_FREE_IRQ 0x10 371 #define APIC_MAX_ISA_IRQ 15 372 #define APIC_IPL0 0x0f /* let IDLE_IPL be the lowest */ 373 #define APIC_IDLE_IPL 0x00 374 375 #define APIC_MASK_ALL 0xf0 /* Mask all interrupts */ 376 377 /* spurious interrupt vector */ 378 #define APIC_SPUR_INTR 0xFF 379 380 /* special or reserve vectors */ 381 #define APIC_CHECK_RESERVE_VECTORS(v) \ 382 (((v) == T_FASTTRAP) || ((v) == APIC_SPUR_INTR) || \ 383 ((v) == T_SYSCALLINT) || ((v) == T_DTRACE_RET) || ((v) == T_INT80)) 384 385 /* cmos shutdown code for BIOS */ 386 #define BIOS_SHUTDOWN 0x0a 387 388 /* define the entry types for BIOS information tables as defined in PC+MP */ 389 #define APIC_CPU_ENTRY 0 390 #define APIC_BUS_ENTRY 1 391 #define APIC_IO_ENTRY 2 392 #define APIC_IO_INTR_ENTRY 3 393 #define APIC_LOCAL_INTR_ENTRY 4 394 #define APIC_MPTBL_ADDR (639 * 1024) 395 /* 396 * The MP Floating Point structure could be in 1st 1KB of EBDA or last KB 397 * of system base memory or in ROM between 0xF0000 and 0xFFFFF 398 */ 399 #define MPFPS_RAM_WIN_LEN 1024 400 #define MPFPS_ROM_WIN_START (uint32_t)0xf0000 401 #define MPFPS_ROM_WIN_LEN 0x10000 402 403 #define EISA_LEVEL_CNTL 0x4D0 404 405 /* definitions for apic_irq_table */ 406 #define FREE_INDEX (short)-1 /* empty slot */ 407 #define RESERVE_INDEX (short)-2 /* ipi, softintr, clkintr */ 408 #define ACPI_INDEX (short)-3 /* ACPI */ 409 #define MSI_INDEX (short)-4 /* MSI */ 410 #define MSIX_INDEX (short)-5 /* MSI-X */ 411 #define DEFAULT_INDEX (short)0x7FFF 412 /* biggest positive no. to avoid conflict with actual index */ 413 414 #define APIC_IS_MSI_OR_MSIX_INDEX(index) \ 415 ((index) == MSI_INDEX || (index) == MSIX_INDEX) 416 417 /* 418 * definitions for MSI Address 419 */ 420 #define MSI_ADDR_HDR APIC_LOCAL_ADDR 421 #define MSI_ADDR_DEST_SHIFT 12 /* Destination CPU's apic id */ 422 #define MSI_ADDR_RH_FIXED 0x0 /* Redirection Hint Fixed */ 423 #define MSI_ADDR_RH_LOPRI 0x1 /* Redirection Hint Lowest priority */ 424 #define MSI_ADDR_RH_SHIFT 3 425 #define MSI_ADDR_DM_PHYSICAL 0x0 /* Physical Destination Mode */ 426 #define MSI_ADDR_DM_LOGICAL 0x1 /* Logical Destination Mode */ 427 #define MSI_ADDR_DM_SHIFT 2 428 429 /* 430 * TM is either edge or level. 431 */ 432 #define TRIGGER_MODE_EDGE 0x0 /* edge sensitive */ 433 #define TRIGGER_MODE_LEVEL 0x1 /* level sensitive */ 434 435 /* 436 * definitions for MSI Data 437 */ 438 #define MSI_DATA_DELIVERY_FIXED 0x0 /* Fixed delivery */ 439 #define MSI_DATA_DELIVERY_LOPRI 0x1 /* Lowest priority delivery */ 440 #define MSI_DATA_DELIVERY_SMI 0x2 441 #define MSI_DATA_DELIVERY_NMI 0x4 442 #define MSI_DATA_DELIVERY_INIT 0x5 443 #define MSI_DATA_DELIVERY_EXTINT 0x7 444 #define MSI_DATA_DELIVERY_SHIFT 8 445 #define MSI_DATA_TM_EDGE TRIGGER_MODE_EDGE 446 #define MSI_DATA_TM_LEVEL TRIGGER_MODE_LEVEL 447 #define MSI_DATA_TM_SHIFT 15 448 #define MSI_DATA_LEVEL_DEASSERT 0x0 449 #define MSI_DATA_LEVEL_ASSERT 0x1 /* Edge always assert */ 450 #define MSI_DATA_LEVEL_SHIFT 14 451 452 /* 453 * use to define each irq setup by the apic 454 */ 455 typedef struct apic_irq { 456 short airq_mps_intr_index; /* index into mps interrupt entries */ 457 /* table */ 458 uchar_t airq_intin_no; 459 uchar_t airq_ioapicindex; 460 dev_info_t *airq_dip; /* device corresponding to this interrupt */ 461 /* 462 * IRQ could be shared (in H/W) in which case dip & major will be 463 * for the one that was last added at this level. We cannot keep a 464 * linked list as delspl does not tell us which device has just 465 * been unloaded. For most servers where we are worried about 466 * performance, interrupt should not be shared & should not be 467 * a problem. This does not cause any correctness issue - dip is 468 * used only as an optimisation to avoid going thru all the tables 469 * in translate IRQ (which is always called twice due to brokenness 470 * in the way IPLs are determined for devices). major is used only 471 * to bind interrupts corresponding to the same device on the same 472 * CPU. Not finding major will just cause it to be potentially bound 473 * to another CPU. 474 */ 475 major_t airq_major; /* major number corresponding to the device */ 476 ushort_t airq_rdt_entry; /* level, polarity & trig mode */ 477 uint32_t airq_cpu; /* Which CPU are we bound to ? */ 478 uint32_t airq_temp_cpu; /* Could be diff from cpu due to disable_intr */ 479 uchar_t airq_vector; /* Vector chosen for this irq */ 480 uchar_t airq_share; /* number of interrupts at this irq */ 481 uchar_t airq_share_id; /* id to identify source from irqno */ 482 uchar_t airq_ipl; /* The ipl at which this is handled */ 483 iflag_t airq_iflag; /* interrupt flag */ 484 uchar_t airq_origirq; /* original irq passed in */ 485 uint_t airq_busy; /* How frequently did clock find */ 486 /* us in this */ 487 struct apic_irq *airq_next; /* chain of intpts sharing a vector */ 488 void *airq_intrmap_private; /* intr remap private data */ 489 } apic_irq_t; 490 491 #define IRQ_USER_BOUND 0x80000000 /* user requested bind if set in airq_cpu */ 492 #define IRQ_UNBOUND (uint32_t)-1 /* set in airq_cpu and airq_temp_cpu */ 493 #define IRQ_UNINIT (uint32_t)-2 /* in airq_temp_cpu till addspl called */ 494 495 /* Macros to help deal with shared interrupts */ 496 #define VIRTIRQ(irqno, share_id) ((irqno) | ((share_id) << 8)) 497 #define IRQINDEX(irq) ((irq) & 0xFF) /* Mask to get irq from virtual irq */ 498 499 /* 500 * We align apic_cpus_info at 64-byte cache line boundary. Please make sure we 501 * adjust APIC_PADSZ as we add/modify any member of apic_cpus_info. We also 502 * don't want the compiler to optimize apic_cpus_info. 503 */ 504 #define APIC_PADSZ 15 505 506 #pragma pack(1) 507 typedef struct apic_cpus_info { 508 uint32_t aci_local_id; 509 uchar_t aci_local_ver; 510 uchar_t aci_status; 511 uchar_t aci_redistribute; /* Selected for redistribution */ 512 uint_t aci_busy; /* Number of ticks we were in ISR */ 513 uint_t aci_spur_cnt; /* # of spurious intpts on this cpu */ 514 uint_t aci_ISR_in_progress; /* big enough to hold 1 << MAXIPL */ 515 uchar_t aci_curipl; /* IPL of current ISR */ 516 uchar_t aci_current[MAXIPL]; /* Current IRQ at each IPL */ 517 uint32_t aci_bound; /* # of user requested binds ? */ 518 uint32_t aci_temp_bound; /* # of non user IRQ binds */ 519 uint32_t aci_processor_id; /* Only used in ACPI mode. */ 520 uchar_t aci_idle; /* The CPU is idle */ 521 /* 522 * Fill to make sure each struct is in separate 64-byte cache line. 523 */ 524 uchar_t aci_pad[APIC_PADSZ]; /* padding for 64-byte cache line */ 525 } apic_cpus_info_t; 526 #pragma pack() 527 528 #define APIC_CPU_ONLINE 1 529 #define APIC_CPU_INTR_ENABLE 2 530 #define APIC_CPU_FREE 4 /* APIC CPU slot is free */ 531 #define APIC_CPU_DIRTY 8 /* Slot was once used */ 532 533 /* 534 * APIC ops to support various flavors of APIC like APIC and x2APIC. 535 */ 536 typedef struct apic_regs_ops { 537 uint64_t (*apic_read)(uint32_t); 538 void (*apic_write)(uint32_t, uint64_t); 539 int (*apic_get_pri)(void); 540 void (*apic_write_task_reg)(uint64_t); 541 void (*apic_write_int_cmd)(uint32_t, uint32_t); 542 void (*apic_send_eoi)(uint32_t); 543 } apic_reg_ops_t; 544 545 /* 546 * interrupt structure for ioapic and msi 547 */ 548 typedef struct ioapic_rdt { 549 uint32_t ir_lo; 550 uint32_t ir_hi; 551 } ioapic_rdt_t; 552 553 typedef struct msi_regs { 554 uint32_t mr_data; 555 uint64_t mr_addr; 556 }msi_regs_t; 557 558 /* 559 * APIC ops to support intel interrupt remapping 560 */ 561 typedef struct apic_intrmap_ops { 562 int (*apic_intrmap_init)(int); 563 void (*apic_intrmap_enable)(int); 564 void (*apic_intrmap_alloc_entry)(apic_irq_t *); 565 void (*apic_intrmap_map_entry)(apic_irq_t *, void *); 566 void (*apic_intrmap_free_entry)(apic_irq_t *); 567 void (*apic_intrmap_record_rdt)(apic_irq_t *, ioapic_rdt_t *); 568 void (*apic_intrmap_record_msi)(apic_irq_t *, msi_regs_t *); 569 } apic_intrmap_ops_t; 570 571 /* 572 * Various poweroff methods and ports & bits for them 573 */ 574 #define APIC_POWEROFF_NONE 0 575 #define APIC_POWEROFF_VIA_RTC 1 576 #define APIC_POWEROFF_VIA_ASPEN_BMC 2 577 #define APIC_POWEROFF_VIA_SITKA_BMC 3 578 579 /* For RTC */ 580 #define RTC_REGA 0x0a 581 #define PFR_REG 0x4a /* extended control register */ 582 #define PAB_CBIT 0x08 583 #define WF_FLAG 0x02 584 #define KS_FLAG 0x01 585 #define EXT_BANK 0x10 586 587 /* For Aspen/Drake BMC */ 588 589 #define CC_SMS_GET_STATUS 0x40 590 #define CC_SMS_WR_START 0x41 591 #define CC_SMS_WR_NEXT 0x42 592 #define CC_SMS_WR_END 0x43 593 594 #define MISMIC_DATA_REGISTER 0x0ca9 595 #define MISMIC_CNTL_REGISTER 0x0caa 596 #define MISMIC_FLAG_REGISTER 0x0cab 597 598 #define MISMIC_BUSY_MASK 0x01 599 600 /* For Sitka/Cabrillo BMC */ 601 602 #define SMS_GET_STATUS 0x60 603 #define SMS_WRITE_START 0x61 604 #define SMS_WRITE_END 0x62 605 606 #define SMS_DATA_REGISTER 0x0ca2 607 #define SMS_STATUS_REGISTER 0x0ca3 608 #define SMS_COMMAND_REGISTER 0x0ca3 609 610 #define SMS_IBF_MASK 0x02 611 #define SMS_STATE_MASK 0xc0 612 613 #define SMS_IDLE_STATE 0x00 614 #define SMS_READ_STATE 0x40 615 #define SMS_WRITE_STATE 0x80 616 #define SMS_ERROR_STATE 0xc0 617 618 extern uint32_t ioapic_read(int ioapic_ix, uint32_t reg); 619 extern void ioapic_write(int ioapic_ix, uint32_t reg, uint32_t value); 620 extern void ioapic_write_eoi(int ioapic_ix, uint32_t value); 621 622 /* Macros for reading/writing the IOAPIC RDT entries */ 623 #define READ_IOAPIC_RDT_ENTRY_LOW_DWORD(ioapic_ix, ipin) \ 624 ioapic_read(ioapic_ix, APIC_RDT_CMD + (2 * (ipin))) 625 626 #define READ_IOAPIC_RDT_ENTRY_HIGH_DWORD(ioapic_ix, ipin) \ 627 ioapic_read(ioapic_ix, APIC_RDT_CMD2 + (2 * (ipin))) 628 629 #define WRITE_IOAPIC_RDT_ENTRY_LOW_DWORD(ioapic_ix, ipin, value) \ 630 ioapic_write(ioapic_ix, APIC_RDT_CMD + (2 * (ipin)), value) 631 632 #define WRITE_IOAPIC_RDT_ENTRY_HIGH_DWORD(ioapic_ix, ipin, value) \ 633 ioapic_write(ioapic_ix, APIC_RDT_CMD2 + (2 * (ipin)), value) 634 635 /* Used by PSM_INTR_OP_GET_INTR to return device information. */ 636 typedef struct { 637 uint16_t avgi_req_flags; /* request flags - to kernel */ 638 uint8_t avgi_num_devs; /* # devs on this ino - from kernel */ 639 uint8_t avgi_vector; /* vector */ 640 uint32_t avgi_cpu_id; /* cpu of interrupt - from kernel */ 641 dev_info_t **avgi_dip_list; /* kmem_alloc'ed list of dev_infos. */ 642 /* Contains num_devs elements. */ 643 } apic_get_intr_t; 644 645 /* Masks for avgi_req_flags. */ 646 #define PSMGI_REQ_CPUID 0x1 /* Request CPU ID */ 647 #define PSMGI_REQ_NUM_DEVS 0x2 /* Request num of devices on vector */ 648 #define PSMGI_REQ_VECTOR 0x4 649 #define PSMGI_REQ_GET_DEVS 0x8 /* Request device list */ 650 #define PSMGI_REQ_ALL 0xf /* Request everything */ 651 652 /* Other flags */ 653 #define PSMGI_INTRBY_VEC 0 /* Vec passed. xlate to IRQ needed */ 654 #define PSMGI_INTRBY_IRQ 0x8000 /* IRQ passed. no xlate needed */ 655 #define PSMGI_INTRBY_FLAGS 0x8000 /* Mask for this flag */ 656 657 /* 658 * Use scaled-fixed-point arithmetic to calculate apic ticks. 659 * Round when dividing (by adding half of divisor to dividend) 660 * for one extra bit of precision. 661 */ 662 663 #define SF (1ULL<<20) /* Scaling Factor: scale by 2^20 */ 664 #define APIC_TICKS_TO_NSECS(ticks) ((((int64_t)(ticks) * SF) + \ 665 apic_ticks_per_SFnsecs / 2) / \ 666 apic_ticks_per_SFnsecs); 667 #define APIC_NSECS_TO_TICKS(nsecs) (((int64_t)(nsecs) * \ 668 apic_ticks_per_SFnsecs + (SF/2)) / SF) 669 670 extern int apic_verbose; 671 672 /* Flag definitions for apic_verbose */ 673 #define APIC_VERBOSE_IOAPIC_FLAG 0x00000001 674 #define APIC_VERBOSE_IRQ_FLAG 0x00000002 675 #define APIC_VERBOSE_POWEROFF_FLAG 0x00000004 676 #define APIC_VERBOSE_POWEROFF_PAUSE_FLAG 0x00000008 677 678 679 #define APIC_VERBOSE_IOAPIC(fmt) \ 680 if (apic_verbose & APIC_VERBOSE_IOAPIC_FLAG) \ 681 cmn_err fmt; 682 683 #define APIC_AV_PENDING_SET() \ 684 while (apic_reg_ops->apic_read(APIC_INT_CMD1) & AV_PENDING) \ 685 apic_ret(); 686 687 #define APIC_VERBOSE_IRQ(fmt) \ 688 if (apic_verbose & APIC_VERBOSE_IRQ_FLAG) \ 689 cmn_err fmt; 690 691 #define APIC_VERBOSE_POWEROFF(fmt) \ 692 if (apic_verbose & APIC_VERBOSE_POWEROFF_FLAG) \ 693 prom_printf fmt; 694 695 #ifdef DEBUG 696 #define DENT 0x0001 697 extern int apic_debug; 698 /* 699 * set apic_restrict_vector to the # of vectors we want to allow per range 700 * useful in testing shared interrupt logic by setting it to 2 or 3 701 */ 702 extern int apic_restrict_vector; 703 704 #define APIC_DEBUG_MSGBUFSIZE 2048 705 extern int apic_debug_msgbuf[]; 706 extern int apic_debug_msgbufindex; 707 708 /* 709 * Put "int" info into debug buffer. No MP consistency, but light weight. 710 * Good enough for most debugging. 711 */ 712 #define APIC_DEBUG_BUF_PUT(x) \ 713 apic_debug_msgbuf[apic_debug_msgbufindex++] = x; \ 714 if (apic_debug_msgbufindex >= (APIC_DEBUG_MSGBUFSIZE - NCPU)) \ 715 apic_debug_msgbufindex = 0; 716 717 #endif /* DEBUG */ 718 719 extern int apic_error; 720 /* values which apic_error can take. Not catastrophic, but may help debug */ 721 #define APIC_ERR_BOOT_EOI 0x1 722 #define APIC_ERR_GET_IPIVECT_FAIL 0x2 723 #define APIC_ERR_INVALID_INDEX 0x4 724 #define APIC_ERR_MARK_VECTOR_FAIL 0x8 725 #define APIC_ERR_APIC_ERROR 0x40000000 726 #define APIC_ERR_NMI 0x80000000 727 728 /* 729 * ACPI definitions 730 */ 731 /* _PIC method arguments */ 732 #define ACPI_PIC_MODE 0 733 #define ACPI_APIC_MODE 1 734 735 /* APIC error flags we care about */ 736 #define APIC_SEND_CS_ERROR 0x01 737 #define APIC_RECV_CS_ERROR 0x02 738 #define APIC_CS_ERRORS (APIC_SEND_CS_ERROR|APIC_RECV_CS_ERROR) 739 740 /* Maximum number of times to retry reprogramming at apic_intr_exit time */ 741 #define APIC_REPROGRAM_MAX_TRIES 10000 742 743 /* Parameter to ioapic_init_intr(): Should ioapic ints be masked? */ 744 #define IOAPIC_MASK 1 745 #define IOAPIC_NOMASK 0 746 747 #define INTR_ROUND_ROBIN_WITH_AFFINITY 0 748 #define INTR_ROUND_ROBIN 1 749 #define INTR_LOWEST_PRIORITY 2 750 751 752 753 struct ioapic_reprogram_data { 754 boolean_t done; 755 apic_irq_t *irqp; 756 /* The CPU to which the int will be bound */ 757 int bindcpu; 758 /* # times the reprogram timeout was called */ 759 unsigned tries; 760 }; 761 762 /* The irq # is implicit in the array index: */ 763 extern struct ioapic_reprogram_data apic_reprogram_info[]; 764 765 extern void apic_intr_exit(int ipl, int irq); 766 extern void x2apic_intr_exit(int ipl, int irq); 767 extern int apic_probe_common(); 768 extern void apic_init_common(); 769 extern void ioapic_init_intr(); 770 extern void ioapic_disable_redirection(); 771 extern int apic_addspl_common(int irqno, int ipl, int min_ipl, int max_ipl); 772 extern int apic_delspl_common(int irqno, int ipl, int min_ipl, int max_ipl); 773 extern void apic_cleanup_busy(); 774 extern void apic_intr_redistribute(); 775 extern uchar_t apic_xlate_vector(uchar_t vector); 776 extern uchar_t apic_allocate_vector(int ipl, int irq, int pri); 777 extern void apic_free_vector(uchar_t vector); 778 extern int apic_allocate_irq(int irq); 779 extern uint32_t apic_bind_intr(dev_info_t *dip, int irq, uchar_t ioapicid, 780 uchar_t intin); 781 extern int apic_rebind(apic_irq_t *irq_ptr, int bind_cpu, 782 struct ioapic_reprogram_data *drep); 783 extern int apic_rebind_all(apic_irq_t *irq_ptr, int bind_cpu); 784 extern int apic_introp_xlate(dev_info_t *dip, struct intrspec *ispec, int type); 785 extern int apic_intr_ops(dev_info_t *dip, ddi_intr_handle_impl_t *hdlp, 786 psm_intr_op_t intr_op, int *result); 787 extern int apic_state(psm_state_request_t *); 788 extern boolean_t apic_cpu_in_range(int cpu); 789 extern int apic_check_msi_support(); 790 extern apic_irq_t *apic_find_irq(dev_info_t *dip, struct intrspec *ispec, 791 int type); 792 extern int apic_navail_vector(dev_info_t *dip, int pri); 793 extern int apic_alloc_msi_vectors(dev_info_t *dip, int inum, int count, 794 int pri, int behavior); 795 extern int apic_alloc_msix_vectors(dev_info_t *dip, int inum, int count, 796 int pri, int behavior); 797 extern void apic_free_vectors(dev_info_t *dip, int inum, int count, int pri, 798 int type); 799 extern int apic_get_vector_intr_info(int vecirq, 800 apic_get_intr_t *intr_params_p); 801 extern uchar_t apic_find_multi_vectors(int pri, int count); 802 extern int apic_setup_io_intr(void *p, int irq, boolean_t deferred); 803 extern uint32_t *mapin_apic(uint32_t addr, size_t len, int flags); 804 extern uint32_t *mapin_ioapic(uint32_t addr, size_t len, int flags); 805 extern void mapout_apic(caddr_t addr, size_t len); 806 extern void mapout_ioapic(caddr_t addr, size_t len); 807 extern uchar_t apic_modify_vector(uchar_t vector, int irq); 808 extern void apic_pci_msi_unconfigure(dev_info_t *rdip, int type, int inum); 809 extern void apic_pci_msi_disable_mode(dev_info_t *rdip, int type); 810 extern void apic_pci_msi_enable_mode(dev_info_t *rdip, int type, int inum); 811 extern void apic_pci_msi_enable_vector(apic_irq_t *, int type, int inum, 812 int vector, int count, int target_apic_id); 813 extern char *apic_get_apic_type(); 814 extern uint16_t apic_get_apic_version(); 815 extern void x2apic_send_ipi(); 816 extern void apic_ret(); 817 extern int apic_detect_x2apic(); 818 extern void apic_enable_x2apic(); 819 extern int apic_local_mode(); 820 extern void apic_change_eoi(); 821 extern void apic_send_EOI(uint32_t); 822 extern void apic_send_directed_EOI(uint32_t); 823 824 extern volatile uint32_t *apicadr; /* virtual addr of local APIC */ 825 extern int apic_forceload; 826 extern apic_cpus_info_t *apic_cpus; 827 #ifdef _MACHDEP 828 extern cpuset_t apic_cpumask; 829 #endif 830 extern uint_t apic_picinit_called; 831 extern uchar_t apic_ipltopri[MAXIPL+1]; 832 extern uchar_t apic_vector_to_irq[APIC_MAX_VECTOR+1]; 833 extern int apic_max_device_irq; 834 extern int apic_min_device_irq; 835 extern apic_irq_t *apic_irq_table[APIC_MAX_VECTOR+1]; 836 extern volatile uint32_t *apicioadr[MAX_IO_APIC]; 837 extern uchar_t apic_io_id[MAX_IO_APIC]; 838 extern lock_t apic_ioapic_lock; 839 extern uint32_t apic_physaddr[MAX_IO_APIC]; 840 extern kmutex_t airq_mutex; 841 extern int apic_first_avail_irq; 842 extern uchar_t apic_vectortoipl[APIC_AVAIL_VECTOR / APIC_VECTOR_PER_IPL]; 843 extern int apic_imcrp; 844 extern int apic_revector_pending; 845 extern char apic_level_intr[APIC_MAX_VECTOR+1]; 846 extern uchar_t apic_resv_vector[MAXIPL+1]; 847 extern int apic_sample_factor_redistribution; 848 extern int apic_int_busy_mark; 849 extern int apic_int_free_mark; 850 extern int apic_diff_for_redistribution; 851 extern int apic_poweroff_method; 852 extern int apic_enable_acpi; 853 extern int apic_nproc; 854 extern int apic_max_nproc; 855 extern int apic_next_bind_cpu; 856 extern int apic_redistribute_sample_interval; 857 extern int apic_multi_msi_enable; 858 extern int apic_sci_vect; 859 extern uchar_t apic_ipls[]; 860 extern apic_reg_ops_t *apic_reg_ops; 861 extern int apic_mode; 862 extern void x2apic_update_psm(); 863 extern void apic_change_ops(); 864 extern void apic_common_send_ipi(int, int); 865 extern void apic_set_directed_EOI_handler(); 866 extern int apic_directed_EOI_supported(); 867 868 extern apic_intrmap_ops_t *apic_vt_ops; 869 870 #ifdef __cplusplus 871 } 872 #endif 873 874 #endif /* _SYS_APIC_APIC_H */ 875