1 /* 2 * QEMU PC System Emulator 3 * 4 * Copyright (c) 2003-2004 Fabrice Bellard 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a copy 7 * of this software and associated documentation files (the "Software"), to deal 8 * in the Software without restriction, including without limitation the rights 9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 10 * copies of the Software, and to permit persons to whom the Software is 11 * furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice shall be included in 14 * all copies or substantial portions of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 22 * THE SOFTWARE. 23 */ 24 25 #include "qemu/osdep.h" 26 27 #include "hw/hw.h" 28 #include "hw/loader.h" 29 #include "hw/i386/pc.h" 30 #include "hw/i386/apic.h" 31 #include "hw/smbios/smbios.h" 32 #include "hw/pci/pci.h" 33 #include "hw/pci/pci_ids.h" 34 #include "hw/usb.h" 35 #include "net/net.h" 36 #include "hw/boards.h" 37 #include "hw/ide.h" 38 #include "sysemu/kvm.h" 39 #include "hw/kvm/clock.h" 40 #include "sysemu/sysemu.h" 41 #include "hw/sysbus.h" 42 #include "sysemu/arch_init.h" 43 #include "sysemu/block-backend.h" 44 #include "hw/i2c/smbus.h" 45 #include "hw/xen/xen.h" 46 #include "exec/memory.h" 47 #include "exec/address-spaces.h" 48 #include "hw/acpi/acpi.h" 49 #include "cpu.h" 50 #include "qapi/error.h" 51 #include "qemu/error-report.h" 52 #ifdef CONFIG_XEN 53 #include <xen/hvm/hvm_info_table.h> 54 #include "hw/xen/xen_pt.h" 55 #endif 56 #include "migration/global_state.h" 57 #include "migration/misc.h" 58 #include "kvm_i386.h" 59 #include "sysemu/numa.h" 60 61 #define MAX_IDE_BUS 2 62 63 static const int ide_iobase[MAX_IDE_BUS] = { 0x1f0, 0x170 }; 64 static const int ide_iobase2[MAX_IDE_BUS] = { 0x3f6, 0x376 }; 65 static const int ide_irq[MAX_IDE_BUS] = { 14, 15 }; 66 67 /* PC hardware initialisation */ 68 static void pc_init1(MachineState *machine, 69 const char *host_type, const char *pci_type) 70 { 71 PCMachineState *pcms = PC_MACHINE(machine); 72 PCMachineClass *pcmc = PC_MACHINE_GET_CLASS(pcms); 73 MemoryRegion *system_memory = get_system_memory(); 74 MemoryRegion *system_io = get_system_io(); 75 int i; 76 PCIBus *pci_bus; 77 ISABus *isa_bus; 78 PCII440FXState *i440fx_state; 79 int piix3_devfn = -1; 80 qemu_irq *i8259; 81 qemu_irq smi_irq; 82 GSIState *gsi_state; 83 DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS]; 84 BusState *idebus[MAX_IDE_BUS]; 85 ISADevice *rtc_state; 86 MemoryRegion *ram_memory; 87 MemoryRegion *pci_memory; 88 MemoryRegion *rom_memory; 89 ram_addr_t lowmem; 90 91 /* 92 * Calculate ram split, for memory below and above 4G. It's a bit 93 * complicated for backward compatibility reasons ... 94 * 95 * - Traditional split is 3.5G (lowmem = 0xe0000000). This is the 96 * default value for max_ram_below_4g now. 97 * 98 * - Then, to gigabyte align the memory, we move the split to 3G 99 * (lowmem = 0xc0000000). But only in case we have to split in 100 * the first place, i.e. ram_size is larger than (traditional) 101 * lowmem. And for new machine types (gigabyte_align = true) 102 * only, for live migration compatibility reasons. 103 * 104 * - Next the max-ram-below-4g option was added, which allowed to 105 * reduce lowmem to a smaller value, to allow a larger PCI I/O 106 * window below 4G. qemu doesn't enforce gigabyte alignment here, 107 * but prints a warning. 108 * 109 * - Finally max-ram-below-4g got updated to also allow raising lowmem, 110 * so legacy non-PAE guests can get as much memory as possible in 111 * the 32bit address space below 4G. 112 * 113 * - Note that Xen has its own ram setp code in xen_ram_init(), 114 * called via xen_hvm_init(). 115 * 116 * Examples: 117 * qemu -M pc-1.7 -m 4G (old default) -> 3584M low, 512M high 118 * qemu -M pc -m 4G (new default) -> 3072M low, 1024M high 119 * qemu -M pc,max-ram-below-4g=2G -m 4G -> 2048M low, 2048M high 120 * qemu -M pc,max-ram-below-4g=4G -m 3968M -> 3968M low (=4G-128M) 121 */ 122 if (xen_enabled()) { 123 xen_hvm_init(pcms, &ram_memory); 124 } else { 125 if (!pcms->max_ram_below_4g) { 126 pcms->max_ram_below_4g = 0xe0000000; /* default: 3.5G */ 127 } 128 lowmem = pcms->max_ram_below_4g; 129 if (machine->ram_size >= pcms->max_ram_below_4g) { 130 if (pcmc->gigabyte_align) { 131 if (lowmem > 0xc0000000) { 132 lowmem = 0xc0000000; 133 } 134 if (lowmem & ((1ULL << 30) - 1)) { 135 warn_report("Large machine and max_ram_below_4g " 136 "(%" PRIu64 ") not a multiple of 1G; " 137 "possible bad performance.", 138 pcms->max_ram_below_4g); 139 } 140 } 141 } 142 143 if (machine->ram_size >= lowmem) { 144 pcms->above_4g_mem_size = machine->ram_size - lowmem; 145 pcms->below_4g_mem_size = lowmem; 146 } else { 147 pcms->above_4g_mem_size = 0; 148 pcms->below_4g_mem_size = machine->ram_size; 149 } 150 } 151 152 pc_cpus_init(pcms); 153 154 if (kvm_enabled() && pcmc->kvmclock_enabled) { 155 kvmclock_create(); 156 } 157 158 if (pcmc->pci_enabled) { 159 pci_memory = g_new(MemoryRegion, 1); 160 memory_region_init(pci_memory, NULL, "pci", UINT64_MAX); 161 rom_memory = pci_memory; 162 } else { 163 pci_memory = NULL; 164 rom_memory = system_memory; 165 } 166 167 pc_guest_info_init(pcms); 168 169 if (pcmc->smbios_defaults) { 170 MachineClass *mc = MACHINE_GET_CLASS(machine); 171 /* These values are guest ABI, do not change */ 172 smbios_set_defaults("QEMU", "Standard PC (i440FX + PIIX, 1996)", 173 mc->name, pcmc->smbios_legacy_mode, 174 pcmc->smbios_uuid_encoded, 175 SMBIOS_ENTRY_POINT_21); 176 } 177 178 /* allocate ram and load rom/bios */ 179 if (!xen_enabled()) { 180 pc_memory_init(pcms, system_memory, 181 rom_memory, &ram_memory); 182 } else if (machine->kernel_filename != NULL) { 183 /* For xen HVM direct kernel boot, load linux here */ 184 xen_load_linux(pcms); 185 } 186 187 gsi_state = g_malloc0(sizeof(*gsi_state)); 188 if (kvm_ioapic_in_kernel()) { 189 kvm_pc_setup_irq_routing(pcmc->pci_enabled); 190 pcms->gsi = qemu_allocate_irqs(kvm_pc_gsi_handler, gsi_state, 191 GSI_NUM_PINS); 192 } else { 193 pcms->gsi = qemu_allocate_irqs(gsi_handler, gsi_state, GSI_NUM_PINS); 194 } 195 196 if (pcmc->pci_enabled) { 197 pci_bus = i440fx_init(host_type, 198 pci_type, 199 &i440fx_state, &piix3_devfn, &isa_bus, pcms->gsi, 200 system_memory, system_io, machine->ram_size, 201 pcms->below_4g_mem_size, 202 pcms->above_4g_mem_size, 203 pci_memory, ram_memory); 204 pcms->bus = pci_bus; 205 } else { 206 pci_bus = NULL; 207 i440fx_state = NULL; 208 isa_bus = isa_bus_new(NULL, get_system_memory(), system_io, 209 &error_abort); 210 no_hpet = 1; 211 } 212 isa_bus_irqs(isa_bus, pcms->gsi); 213 214 if (kvm_pic_in_kernel()) { 215 i8259 = kvm_i8259_init(isa_bus); 216 } else if (xen_enabled()) { 217 i8259 = xen_interrupt_controller_init(); 218 } else { 219 i8259 = i8259_init(isa_bus, pc_allocate_cpu_irq()); 220 } 221 222 for (i = 0; i < ISA_NUM_IRQS; i++) { 223 gsi_state->i8259_irq[i] = i8259[i]; 224 } 225 g_free(i8259); 226 if (pcmc->pci_enabled) { 227 ioapic_init_gsi(gsi_state, "i440fx"); 228 } 229 230 pc_register_ferr_irq(pcms->gsi[13]); 231 232 pc_vga_init(isa_bus, pcmc->pci_enabled ? pci_bus : NULL); 233 234 assert(pcms->vmport != ON_OFF_AUTO__MAX); 235 if (pcms->vmport == ON_OFF_AUTO_AUTO) { 236 pcms->vmport = xen_enabled() ? ON_OFF_AUTO_OFF : ON_OFF_AUTO_ON; 237 } 238 239 /* init basic PC hardware */ 240 pc_basic_device_init(isa_bus, pcms->gsi, &rtc_state, true, 241 (pcms->vmport != ON_OFF_AUTO_ON), pcms->pit, 0x4); 242 243 pc_nic_init(isa_bus, pci_bus); 244 245 ide_drive_get(hd, ARRAY_SIZE(hd)); 246 if (pcmc->pci_enabled) { 247 PCIDevice *dev; 248 if (xen_enabled()) { 249 dev = pci_piix3_xen_ide_init(pci_bus, hd, piix3_devfn + 1); 250 } else { 251 dev = pci_piix3_ide_init(pci_bus, hd, piix3_devfn + 1); 252 } 253 idebus[0] = qdev_get_child_bus(&dev->qdev, "ide.0"); 254 idebus[1] = qdev_get_child_bus(&dev->qdev, "ide.1"); 255 } else { 256 for(i = 0; i < MAX_IDE_BUS; i++) { 257 ISADevice *dev; 258 char busname[] = "ide.0"; 259 dev = isa_ide_init(isa_bus, ide_iobase[i], ide_iobase2[i], 260 ide_irq[i], 261 hd[MAX_IDE_DEVS * i], hd[MAX_IDE_DEVS * i + 1]); 262 /* 263 * The ide bus name is ide.0 for the first bus and ide.1 for the 264 * second one. 265 */ 266 busname[4] = '0' + i; 267 idebus[i] = qdev_get_child_bus(DEVICE(dev), busname); 268 } 269 } 270 271 pc_cmos_init(pcms, idebus[0], idebus[1], rtc_state); 272 273 if (pcmc->pci_enabled && machine_usb(machine)) { 274 pci_create_simple(pci_bus, piix3_devfn + 2, "piix3-usb-uhci"); 275 } 276 277 if (pcmc->pci_enabled && acpi_enabled) { 278 DeviceState *piix4_pm; 279 I2CBus *smbus; 280 281 smi_irq = qemu_allocate_irq(pc_acpi_smi_interrupt, first_cpu, 0); 282 /* TODO: Populate SPD eeprom data. */ 283 smbus = piix4_pm_init(pci_bus, piix3_devfn + 3, 0xb100, 284 pcms->gsi[9], smi_irq, 285 pc_machine_is_smm_enabled(pcms), 286 &piix4_pm); 287 smbus_eeprom_init(smbus, 8, NULL, 0); 288 289 object_property_add_link(OBJECT(machine), PC_MACHINE_ACPI_DEVICE_PROP, 290 TYPE_HOTPLUG_HANDLER, 291 (Object **)&pcms->acpi_dev, 292 object_property_allow_set_link, 293 OBJ_PROP_LINK_UNREF_ON_RELEASE, &error_abort); 294 object_property_set_link(OBJECT(machine), OBJECT(piix4_pm), 295 PC_MACHINE_ACPI_DEVICE_PROP, &error_abort); 296 } 297 298 if (pcmc->pci_enabled) { 299 pc_pci_device_init(pci_bus); 300 } 301 302 if (pcms->acpi_nvdimm_state.is_enabled) { 303 nvdimm_init_acpi_state(&pcms->acpi_nvdimm_state, system_io, 304 pcms->fw_cfg, OBJECT(pcms)); 305 } 306 } 307 308 /* Looking for a pc_compat_2_4() function? It doesn't exist. 309 * pc_compat_*() functions that run on machine-init time and 310 * change global QEMU state are deprecated. Please don't create 311 * one, and implement any pc-*-2.4 (and newer) compat code in 312 * HW_COMPAT_*, PC_COMPAT_*, or * pc_*_machine_options(). 313 */ 314 315 static void pc_compat_2_3(MachineState *machine) 316 { 317 PCMachineState *pcms = PC_MACHINE(machine); 318 if (kvm_enabled()) { 319 pcms->smm = ON_OFF_AUTO_OFF; 320 } 321 } 322 323 static void pc_compat_2_2(MachineState *machine) 324 { 325 pc_compat_2_3(machine); 326 machine->suppress_vmdesc = true; 327 } 328 329 static void pc_compat_2_1(MachineState *machine) 330 { 331 pc_compat_2_2(machine); 332 x86_cpu_change_kvm_default("svm", NULL); 333 } 334 335 static void pc_compat_2_0(MachineState *machine) 336 { 337 pc_compat_2_1(machine); 338 } 339 340 static void pc_compat_1_7(MachineState *machine) 341 { 342 pc_compat_2_0(machine); 343 x86_cpu_change_kvm_default("x2apic", NULL); 344 } 345 346 static void pc_compat_1_6(MachineState *machine) 347 { 348 pc_compat_1_7(machine); 349 } 350 351 static void pc_compat_1_5(MachineState *machine) 352 { 353 pc_compat_1_6(machine); 354 } 355 356 static void pc_compat_1_4(MachineState *machine) 357 { 358 pc_compat_1_5(machine); 359 } 360 361 static void pc_compat_1_3(MachineState *machine) 362 { 363 pc_compat_1_4(machine); 364 enable_compat_apic_id_mode(); 365 } 366 367 /* PC compat function for pc-0.14 to pc-1.2 */ 368 static void pc_compat_1_2(MachineState *machine) 369 { 370 pc_compat_1_3(machine); 371 x86_cpu_change_kvm_default("kvm-pv-eoi", NULL); 372 } 373 374 /* PC compat function for pc-0.10 to pc-0.13 */ 375 static void pc_compat_0_13(MachineState *machine) 376 { 377 pc_compat_1_2(machine); 378 } 379 380 static void pc_init_isa(MachineState *machine) 381 { 382 pc_init1(machine, TYPE_I440FX_PCI_HOST_BRIDGE, TYPE_I440FX_PCI_DEVICE); 383 } 384 385 #ifdef CONFIG_XEN 386 static void pc_xen_hvm_init_pci(MachineState *machine) 387 { 388 const char *pci_type = has_igd_gfx_passthru ? 389 TYPE_IGD_PASSTHROUGH_I440FX_PCI_DEVICE : TYPE_I440FX_PCI_DEVICE; 390 391 pc_init1(machine, 392 TYPE_I440FX_PCI_HOST_BRIDGE, 393 pci_type); 394 } 395 396 static void pc_xen_hvm_init(MachineState *machine) 397 { 398 PCMachineState *pcms = PC_MACHINE(machine); 399 400 if (!xen_enabled()) { 401 error_report("xenfv machine requires the xen accelerator"); 402 exit(1); 403 } 404 405 pc_xen_hvm_init_pci(machine); 406 pci_create_simple(pcms->bus, -1, "xen-platform"); 407 } 408 #endif 409 410 #define DEFINE_I440FX_MACHINE(suffix, name, compatfn, optionfn) \ 411 static void pc_init_##suffix(MachineState *machine) \ 412 { \ 413 void (*compat)(MachineState *m) = (compatfn); \ 414 if (compat) { \ 415 compat(machine); \ 416 } \ 417 pc_init1(machine, TYPE_I440FX_PCI_HOST_BRIDGE, \ 418 TYPE_I440FX_PCI_DEVICE); \ 419 } \ 420 DEFINE_PC_MACHINE(suffix, name, pc_init_##suffix, optionfn) 421 422 static void pc_i440fx_machine_options(MachineClass *m) 423 { 424 m->family = "pc_piix"; 425 m->desc = "Standard PC (i440FX + PIIX, 1996)"; 426 m->default_machine_opts = "firmware=bios-256k.bin"; 427 m->default_display = "std"; 428 } 429 430 static void pc_i440fx_2_12_machine_options(MachineClass *m) 431 { 432 pc_i440fx_machine_options(m); 433 m->alias = "pc"; 434 m->is_default = 1; 435 } 436 437 DEFINE_I440FX_MACHINE(v2_12, "pc-i440fx-2.12", NULL, 438 pc_i440fx_2_12_machine_options); 439 440 static void pc_i440fx_2_11_machine_options(MachineClass *m) 441 { 442 pc_i440fx_2_12_machine_options(m); 443 m->is_default = 0; 444 m->alias = NULL; 445 SET_MACHINE_COMPAT(m, PC_COMPAT_2_11); 446 } 447 448 DEFINE_I440FX_MACHINE(v2_11, "pc-i440fx-2.11", NULL, 449 pc_i440fx_2_11_machine_options); 450 451 static void pc_i440fx_2_10_machine_options(MachineClass *m) 452 { 453 pc_i440fx_2_11_machine_options(m); 454 SET_MACHINE_COMPAT(m, PC_COMPAT_2_10); 455 m->auto_enable_numa_with_memhp = false; 456 } 457 458 DEFINE_I440FX_MACHINE(v2_10, "pc-i440fx-2.10", NULL, 459 pc_i440fx_2_10_machine_options); 460 461 static void pc_i440fx_2_9_machine_options(MachineClass *m) 462 { 463 pc_i440fx_2_10_machine_options(m); 464 SET_MACHINE_COMPAT(m, PC_COMPAT_2_9); 465 m->numa_auto_assign_ram = numa_legacy_auto_assign_ram; 466 } 467 468 DEFINE_I440FX_MACHINE(v2_9, "pc-i440fx-2.9", NULL, 469 pc_i440fx_2_9_machine_options); 470 471 static void pc_i440fx_2_8_machine_options(MachineClass *m) 472 { 473 pc_i440fx_2_9_machine_options(m); 474 SET_MACHINE_COMPAT(m, PC_COMPAT_2_8); 475 } 476 477 DEFINE_I440FX_MACHINE(v2_8, "pc-i440fx-2.8", NULL, 478 pc_i440fx_2_8_machine_options); 479 480 481 static void pc_i440fx_2_7_machine_options(MachineClass *m) 482 { 483 pc_i440fx_2_8_machine_options(m); 484 SET_MACHINE_COMPAT(m, PC_COMPAT_2_7); 485 } 486 487 DEFINE_I440FX_MACHINE(v2_7, "pc-i440fx-2.7", NULL, 488 pc_i440fx_2_7_machine_options); 489 490 491 static void pc_i440fx_2_6_machine_options(MachineClass *m) 492 { 493 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 494 pc_i440fx_2_7_machine_options(m); 495 pcmc->legacy_cpu_hotplug = true; 496 pcmc->linuxboot_dma_enabled = false; 497 SET_MACHINE_COMPAT(m, PC_COMPAT_2_6); 498 } 499 500 DEFINE_I440FX_MACHINE(v2_6, "pc-i440fx-2.6", NULL, 501 pc_i440fx_2_6_machine_options); 502 503 504 static void pc_i440fx_2_5_machine_options(MachineClass *m) 505 { 506 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 507 pc_i440fx_2_6_machine_options(m); 508 pcmc->save_tsc_khz = false; 509 m->legacy_fw_cfg_order = 1; 510 SET_MACHINE_COMPAT(m, PC_COMPAT_2_5); 511 } 512 513 DEFINE_I440FX_MACHINE(v2_5, "pc-i440fx-2.5", NULL, 514 pc_i440fx_2_5_machine_options); 515 516 517 static void pc_i440fx_2_4_machine_options(MachineClass *m) 518 { 519 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 520 pc_i440fx_2_5_machine_options(m); 521 m->hw_version = "2.4.0"; 522 pcmc->broken_reserved_end = true; 523 SET_MACHINE_COMPAT(m, PC_COMPAT_2_4); 524 } 525 526 DEFINE_I440FX_MACHINE(v2_4, "pc-i440fx-2.4", NULL, 527 pc_i440fx_2_4_machine_options) 528 529 530 static void pc_i440fx_2_3_machine_options(MachineClass *m) 531 { 532 pc_i440fx_2_4_machine_options(m); 533 m->hw_version = "2.3.0"; 534 SET_MACHINE_COMPAT(m, PC_COMPAT_2_3); 535 } 536 537 DEFINE_I440FX_MACHINE(v2_3, "pc-i440fx-2.3", pc_compat_2_3, 538 pc_i440fx_2_3_machine_options); 539 540 541 static void pc_i440fx_2_2_machine_options(MachineClass *m) 542 { 543 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 544 pc_i440fx_2_3_machine_options(m); 545 m->hw_version = "2.2.0"; 546 SET_MACHINE_COMPAT(m, PC_COMPAT_2_2); 547 pcmc->rsdp_in_ram = false; 548 } 549 550 DEFINE_I440FX_MACHINE(v2_2, "pc-i440fx-2.2", pc_compat_2_2, 551 pc_i440fx_2_2_machine_options); 552 553 554 static void pc_i440fx_2_1_machine_options(MachineClass *m) 555 { 556 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 557 pc_i440fx_2_2_machine_options(m); 558 m->hw_version = "2.1.0"; 559 m->default_display = NULL; 560 SET_MACHINE_COMPAT(m, PC_COMPAT_2_1); 561 pcmc->smbios_uuid_encoded = false; 562 pcmc->enforce_aligned_dimm = false; 563 } 564 565 DEFINE_I440FX_MACHINE(v2_1, "pc-i440fx-2.1", pc_compat_2_1, 566 pc_i440fx_2_1_machine_options); 567 568 569 570 static void pc_i440fx_2_0_machine_options(MachineClass *m) 571 { 572 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 573 pc_i440fx_2_1_machine_options(m); 574 m->hw_version = "2.0.0"; 575 SET_MACHINE_COMPAT(m, PC_COMPAT_2_0); 576 pcmc->smbios_legacy_mode = true; 577 pcmc->has_reserved_memory = false; 578 /* This value depends on the actual DSDT and SSDT compiled into 579 * the source QEMU; unfortunately it depends on the binary and 580 * not on the machine type, so we cannot make pc-i440fx-1.7 work on 581 * both QEMU 1.7 and QEMU 2.0. 582 * 583 * Large variations cause migration to fail for more than one 584 * consecutive value of the "-smp" maxcpus option. 585 * 586 * For small variations of the kind caused by different iasl versions, 587 * the 4k rounding usually leaves slack. However, there could be still 588 * one or two values that break. For QEMU 1.7 and QEMU 2.0 the 589 * slack is only ~10 bytes before one "-smp maxcpus" value breaks! 590 * 591 * 6652 is valid for QEMU 2.0, the right value for pc-i440fx-1.7 on 592 * QEMU 1.7 it is 6414. For RHEL/CentOS 7.0 it is 6418. 593 */ 594 pcmc->legacy_acpi_table_size = 6652; 595 pcmc->acpi_data_size = 0x10000; 596 } 597 598 DEFINE_I440FX_MACHINE(v2_0, "pc-i440fx-2.0", pc_compat_2_0, 599 pc_i440fx_2_0_machine_options); 600 601 602 static void pc_i440fx_1_7_machine_options(MachineClass *m) 603 { 604 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 605 pc_i440fx_2_0_machine_options(m); 606 m->hw_version = "1.7.0"; 607 m->default_machine_opts = NULL; 608 m->option_rom_has_mr = true; 609 SET_MACHINE_COMPAT(m, PC_COMPAT_1_7); 610 pcmc->smbios_defaults = false; 611 pcmc->gigabyte_align = false; 612 pcmc->legacy_acpi_table_size = 6414; 613 } 614 615 DEFINE_I440FX_MACHINE(v1_7, "pc-i440fx-1.7", pc_compat_1_7, 616 pc_i440fx_1_7_machine_options); 617 618 619 static void pc_i440fx_1_6_machine_options(MachineClass *m) 620 { 621 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 622 pc_i440fx_1_7_machine_options(m); 623 m->hw_version = "1.6.0"; 624 m->rom_file_has_mr = false; 625 SET_MACHINE_COMPAT(m, PC_COMPAT_1_6); 626 pcmc->has_acpi_build = false; 627 } 628 629 DEFINE_I440FX_MACHINE(v1_6, "pc-i440fx-1.6", pc_compat_1_6, 630 pc_i440fx_1_6_machine_options); 631 632 633 static void pc_i440fx_1_5_machine_options(MachineClass *m) 634 { 635 pc_i440fx_1_6_machine_options(m); 636 m->hw_version = "1.5.0"; 637 SET_MACHINE_COMPAT(m, PC_COMPAT_1_5); 638 } 639 640 DEFINE_I440FX_MACHINE(v1_5, "pc-i440fx-1.5", pc_compat_1_5, 641 pc_i440fx_1_5_machine_options); 642 643 644 static void pc_i440fx_1_4_machine_options(MachineClass *m) 645 { 646 pc_i440fx_1_5_machine_options(m); 647 m->hw_version = "1.4.0"; 648 m->hot_add_cpu = NULL; 649 SET_MACHINE_COMPAT(m, PC_COMPAT_1_4); 650 } 651 652 DEFINE_I440FX_MACHINE(v1_4, "pc-i440fx-1.4", pc_compat_1_4, 653 pc_i440fx_1_4_machine_options); 654 655 656 #define PC_COMPAT_1_3 \ 657 PC_CPU_MODEL_IDS("1.3.0") \ 658 {\ 659 .driver = "usb-tablet",\ 660 .property = "usb_version",\ 661 .value = stringify(1),\ 662 },{\ 663 .driver = "virtio-net-pci",\ 664 .property = "ctrl_mac_addr",\ 665 .value = "off", \ 666 },{ \ 667 .driver = "virtio-net-pci", \ 668 .property = "mq", \ 669 .value = "off", \ 670 }, {\ 671 .driver = "e1000",\ 672 .property = "autonegotiation",\ 673 .value = "off",\ 674 }, 675 676 677 static void pc_i440fx_1_3_machine_options(MachineClass *m) 678 { 679 pc_i440fx_1_4_machine_options(m); 680 m->hw_version = "1.3.0"; 681 SET_MACHINE_COMPAT(m, PC_COMPAT_1_3); 682 } 683 684 DEFINE_I440FX_MACHINE(v1_3, "pc-1.3", pc_compat_1_3, 685 pc_i440fx_1_3_machine_options); 686 687 688 #define PC_COMPAT_1_2 \ 689 PC_CPU_MODEL_IDS("1.2.0") \ 690 {\ 691 .driver = "nec-usb-xhci",\ 692 .property = "msi",\ 693 .value = "off",\ 694 },{\ 695 .driver = "nec-usb-xhci",\ 696 .property = "msix",\ 697 .value = "off",\ 698 },{\ 699 .driver = "ivshmem",\ 700 .property = "use64",\ 701 .value = "0",\ 702 },{\ 703 .driver = "qxl",\ 704 .property = "revision",\ 705 .value = stringify(3),\ 706 },{\ 707 .driver = "qxl-vga",\ 708 .property = "revision",\ 709 .value = stringify(3),\ 710 },{\ 711 .driver = "VGA",\ 712 .property = "mmio",\ 713 .value = "off",\ 714 }, 715 716 static void pc_i440fx_1_2_machine_options(MachineClass *m) 717 { 718 pc_i440fx_1_3_machine_options(m); 719 m->hw_version = "1.2.0"; 720 SET_MACHINE_COMPAT(m, PC_COMPAT_1_2); 721 } 722 723 DEFINE_I440FX_MACHINE(v1_2, "pc-1.2", pc_compat_1_2, 724 pc_i440fx_1_2_machine_options); 725 726 727 #define PC_COMPAT_1_1 \ 728 PC_CPU_MODEL_IDS("1.1.0") \ 729 {\ 730 .driver = "virtio-scsi-pci",\ 731 .property = "hotplug",\ 732 .value = "off",\ 733 },{\ 734 .driver = "virtio-scsi-pci",\ 735 .property = "param_change",\ 736 .value = "off",\ 737 },{\ 738 .driver = "VGA",\ 739 .property = "vgamem_mb",\ 740 .value = stringify(8),\ 741 },{\ 742 .driver = "vmware-svga",\ 743 .property = "vgamem_mb",\ 744 .value = stringify(8),\ 745 },{\ 746 .driver = "qxl-vga",\ 747 .property = "vgamem_mb",\ 748 .value = stringify(8),\ 749 },{\ 750 .driver = "qxl",\ 751 .property = "vgamem_mb",\ 752 .value = stringify(8),\ 753 },{\ 754 .driver = "virtio-blk-pci",\ 755 .property = "config-wce",\ 756 .value = "off",\ 757 }, 758 759 static void pc_i440fx_1_1_machine_options(MachineClass *m) 760 { 761 pc_i440fx_1_2_machine_options(m); 762 m->hw_version = "1.1.0"; 763 SET_MACHINE_COMPAT(m, PC_COMPAT_1_1); 764 } 765 766 DEFINE_I440FX_MACHINE(v1_1, "pc-1.1", pc_compat_1_2, 767 pc_i440fx_1_1_machine_options); 768 769 770 #define PC_COMPAT_1_0 \ 771 PC_CPU_MODEL_IDS("1.0") \ 772 {\ 773 .driver = TYPE_ISA_FDC,\ 774 .property = "check_media_rate",\ 775 .value = "off",\ 776 }, {\ 777 .driver = "virtio-balloon-pci",\ 778 .property = "class",\ 779 .value = stringify(PCI_CLASS_MEMORY_RAM),\ 780 },{\ 781 .driver = "apic-common",\ 782 .property = "vapic",\ 783 .value = "off",\ 784 },{\ 785 .driver = TYPE_USB_DEVICE,\ 786 .property = "full-path",\ 787 .value = "no",\ 788 }, 789 790 static void pc_i440fx_1_0_machine_options(MachineClass *m) 791 { 792 pc_i440fx_1_1_machine_options(m); 793 m->hw_version = "1.0"; 794 SET_MACHINE_COMPAT(m, PC_COMPAT_1_0); 795 } 796 797 DEFINE_I440FX_MACHINE(v1_0, "pc-1.0", pc_compat_1_2, 798 pc_i440fx_1_0_machine_options); 799 800 801 #define PC_COMPAT_0_15 \ 802 PC_CPU_MODEL_IDS("0.15") 803 804 static void pc_i440fx_0_15_machine_options(MachineClass *m) 805 { 806 pc_i440fx_1_0_machine_options(m); 807 m->hw_version = "0.15"; 808 SET_MACHINE_COMPAT(m, PC_COMPAT_0_15); 809 } 810 811 DEFINE_I440FX_MACHINE(v0_15, "pc-0.15", pc_compat_1_2, 812 pc_i440fx_0_15_machine_options); 813 814 815 #define PC_COMPAT_0_14 \ 816 PC_CPU_MODEL_IDS("0.14") \ 817 {\ 818 .driver = "virtio-blk-pci",\ 819 .property = "event_idx",\ 820 .value = "off",\ 821 },{\ 822 .driver = "virtio-serial-pci",\ 823 .property = "event_idx",\ 824 .value = "off",\ 825 },{\ 826 .driver = "virtio-net-pci",\ 827 .property = "event_idx",\ 828 .value = "off",\ 829 },{\ 830 .driver = "virtio-balloon-pci",\ 831 .property = "event_idx",\ 832 .value = "off",\ 833 },{\ 834 .driver = "qxl",\ 835 .property = "revision",\ 836 .value = stringify(2),\ 837 },{\ 838 .driver = "qxl-vga",\ 839 .property = "revision",\ 840 .value = stringify(2),\ 841 }, 842 843 static void pc_i440fx_0_14_machine_options(MachineClass *m) 844 { 845 pc_i440fx_0_15_machine_options(m); 846 m->hw_version = "0.14"; 847 SET_MACHINE_COMPAT(m, PC_COMPAT_0_14); 848 } 849 850 DEFINE_I440FX_MACHINE(v0_14, "pc-0.14", pc_compat_1_2, 851 pc_i440fx_0_14_machine_options); 852 853 854 #define PC_COMPAT_0_13 \ 855 PC_CPU_MODEL_IDS("0.13") \ 856 {\ 857 .driver = TYPE_PCI_DEVICE,\ 858 .property = "command_serr_enable",\ 859 .value = "off",\ 860 },{\ 861 .driver = "AC97",\ 862 .property = "use_broken_id",\ 863 .value = stringify(1),\ 864 },{\ 865 .driver = "virtio-9p-pci",\ 866 .property = "vectors",\ 867 .value = stringify(0),\ 868 },{\ 869 .driver = "VGA",\ 870 .property = "rombar",\ 871 .value = stringify(0),\ 872 },{\ 873 .driver = "vmware-svga",\ 874 .property = "rombar",\ 875 .value = stringify(0),\ 876 }, 877 878 static void pc_i440fx_0_13_machine_options(MachineClass *m) 879 { 880 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 881 pc_i440fx_0_14_machine_options(m); 882 m->hw_version = "0.13"; 883 SET_MACHINE_COMPAT(m, PC_COMPAT_0_13); 884 pcmc->kvmclock_enabled = false; 885 } 886 887 DEFINE_I440FX_MACHINE(v0_13, "pc-0.13", pc_compat_0_13, 888 pc_i440fx_0_13_machine_options); 889 890 891 #define PC_COMPAT_0_12 \ 892 PC_CPU_MODEL_IDS("0.12") \ 893 {\ 894 .driver = "virtio-serial-pci",\ 895 .property = "max_ports",\ 896 .value = stringify(1),\ 897 },{\ 898 .driver = "virtio-serial-pci",\ 899 .property = "vectors",\ 900 .value = stringify(0),\ 901 },{\ 902 .driver = "usb-mouse",\ 903 .property = "serial",\ 904 .value = "1",\ 905 },{\ 906 .driver = "usb-tablet",\ 907 .property = "serial",\ 908 .value = "1",\ 909 },{\ 910 .driver = "usb-kbd",\ 911 .property = "serial",\ 912 .value = "1",\ 913 }, 914 915 static void pc_i440fx_0_12_machine_options(MachineClass *m) 916 { 917 pc_i440fx_0_13_machine_options(m); 918 m->hw_version = "0.12"; 919 SET_MACHINE_COMPAT(m, PC_COMPAT_0_12); 920 } 921 922 DEFINE_I440FX_MACHINE(v0_12, "pc-0.12", pc_compat_0_13, 923 pc_i440fx_0_12_machine_options); 924 925 926 #define PC_COMPAT_0_11 \ 927 PC_CPU_MODEL_IDS("0.11") \ 928 {\ 929 .driver = "virtio-blk-pci",\ 930 .property = "vectors",\ 931 .value = stringify(0),\ 932 },{\ 933 .driver = TYPE_PCI_DEVICE,\ 934 .property = "rombar",\ 935 .value = stringify(0),\ 936 },{\ 937 .driver = "ide-drive",\ 938 .property = "ver",\ 939 .value = "0.11",\ 940 },{\ 941 .driver = "scsi-disk",\ 942 .property = "ver",\ 943 .value = "0.11",\ 944 }, 945 946 static void pc_i440fx_0_11_machine_options(MachineClass *m) 947 { 948 pc_i440fx_0_12_machine_options(m); 949 m->hw_version = "0.11"; 950 SET_MACHINE_COMPAT(m, PC_COMPAT_0_11); 951 } 952 953 DEFINE_I440FX_MACHINE(v0_11, "pc-0.11", pc_compat_0_13, 954 pc_i440fx_0_11_machine_options); 955 956 957 #define PC_COMPAT_0_10 \ 958 PC_CPU_MODEL_IDS("0.10") \ 959 {\ 960 .driver = "virtio-blk-pci",\ 961 .property = "class",\ 962 .value = stringify(PCI_CLASS_STORAGE_OTHER),\ 963 },{\ 964 .driver = "virtio-serial-pci",\ 965 .property = "class",\ 966 .value = stringify(PCI_CLASS_DISPLAY_OTHER),\ 967 },{\ 968 .driver = "virtio-net-pci",\ 969 .property = "vectors",\ 970 .value = stringify(0),\ 971 },{\ 972 .driver = "ide-drive",\ 973 .property = "ver",\ 974 .value = "0.10",\ 975 },{\ 976 .driver = "scsi-disk",\ 977 .property = "ver",\ 978 .value = "0.10",\ 979 }, 980 981 static void pc_i440fx_0_10_machine_options(MachineClass *m) 982 { 983 pc_i440fx_0_11_machine_options(m); 984 m->hw_version = "0.10"; 985 SET_MACHINE_COMPAT(m, PC_COMPAT_0_10); 986 } 987 988 DEFINE_I440FX_MACHINE(v0_10, "pc-0.10", pc_compat_0_13, 989 pc_i440fx_0_10_machine_options); 990 991 typedef struct { 992 uint16_t gpu_device_id; 993 uint16_t pch_device_id; 994 uint8_t pch_revision_id; 995 } IGDDeviceIDInfo; 996 997 /* In real world different GPU should have different PCH. But actually 998 * the different PCH DIDs likely map to different PCH SKUs. We do the 999 * same thing for the GPU. For PCH, the different SKUs are going to be 1000 * all the same silicon design and implementation, just different 1001 * features turn on and off with fuses. The SW interfaces should be 1002 * consistent across all SKUs in a given family (eg LPT). But just same 1003 * features may not be supported. 1004 * 1005 * Most of these different PCH features probably don't matter to the 1006 * Gfx driver, but obviously any difference in display port connections 1007 * will so it should be fine with any PCH in case of passthrough. 1008 * 1009 * So currently use one PCH version, 0x8c4e, to cover all HSW(Haswell) 1010 * scenarios, 0x9cc3 for BDW(Broadwell). 1011 */ 1012 static const IGDDeviceIDInfo igd_combo_id_infos[] = { 1013 /* HSW Classic */ 1014 {0x0402, 0x8c4e, 0x04}, /* HSWGT1D, HSWD_w7 */ 1015 {0x0406, 0x8c4e, 0x04}, /* HSWGT1M, HSWM_w7 */ 1016 {0x0412, 0x8c4e, 0x04}, /* HSWGT2D, HSWD_w7 */ 1017 {0x0416, 0x8c4e, 0x04}, /* HSWGT2M, HSWM_w7 */ 1018 {0x041E, 0x8c4e, 0x04}, /* HSWGT15D, HSWD_w7 */ 1019 /* HSW ULT */ 1020 {0x0A06, 0x8c4e, 0x04}, /* HSWGT1UT, HSWM_w7 */ 1021 {0x0A16, 0x8c4e, 0x04}, /* HSWGT2UT, HSWM_w7 */ 1022 {0x0A26, 0x8c4e, 0x06}, /* HSWGT3UT, HSWM_w7 */ 1023 {0x0A2E, 0x8c4e, 0x04}, /* HSWGT3UT28W, HSWM_w7 */ 1024 {0x0A1E, 0x8c4e, 0x04}, /* HSWGT2UX, HSWM_w7 */ 1025 {0x0A0E, 0x8c4e, 0x04}, /* HSWGT1ULX, HSWM_w7 */ 1026 /* HSW CRW */ 1027 {0x0D26, 0x8c4e, 0x04}, /* HSWGT3CW, HSWM_w7 */ 1028 {0x0D22, 0x8c4e, 0x04}, /* HSWGT3CWDT, HSWD_w7 */ 1029 /* HSW Server */ 1030 {0x041A, 0x8c4e, 0x04}, /* HSWSVGT2, HSWD_w7 */ 1031 /* HSW SRVR */ 1032 {0x040A, 0x8c4e, 0x04}, /* HSWSVGT1, HSWD_w7 */ 1033 /* BSW */ 1034 {0x1606, 0x9cc3, 0x03}, /* BDWULTGT1, BDWM_w7 */ 1035 {0x1616, 0x9cc3, 0x03}, /* BDWULTGT2, BDWM_w7 */ 1036 {0x1626, 0x9cc3, 0x03}, /* BDWULTGT3, BDWM_w7 */ 1037 {0x160E, 0x9cc3, 0x03}, /* BDWULXGT1, BDWM_w7 */ 1038 {0x161E, 0x9cc3, 0x03}, /* BDWULXGT2, BDWM_w7 */ 1039 {0x1602, 0x9cc3, 0x03}, /* BDWHALOGT1, BDWM_w7 */ 1040 {0x1612, 0x9cc3, 0x03}, /* BDWHALOGT2, BDWM_w7 */ 1041 {0x1622, 0x9cc3, 0x03}, /* BDWHALOGT3, BDWM_w7 */ 1042 {0x162B, 0x9cc3, 0x03}, /* BDWHALO28W, BDWM_w7 */ 1043 {0x162A, 0x9cc3, 0x03}, /* BDWGT3WRKS, BDWM_w7 */ 1044 {0x162D, 0x9cc3, 0x03}, /* BDWGT3SRVR, BDWM_w7 */ 1045 }; 1046 1047 static void isa_bridge_class_init(ObjectClass *klass, void *data) 1048 { 1049 DeviceClass *dc = DEVICE_CLASS(klass); 1050 PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); 1051 1052 dc->desc = "ISA bridge faked to support IGD PT"; 1053 k->vendor_id = PCI_VENDOR_ID_INTEL; 1054 k->class_id = PCI_CLASS_BRIDGE_ISA; 1055 }; 1056 1057 static TypeInfo isa_bridge_info = { 1058 .name = "igd-passthrough-isa-bridge", 1059 .parent = TYPE_PCI_DEVICE, 1060 .instance_size = sizeof(PCIDevice), 1061 .class_init = isa_bridge_class_init, 1062 .interfaces = (InterfaceInfo[]) { 1063 { INTERFACE_CONVENTIONAL_PCI_DEVICE }, 1064 { }, 1065 }, 1066 }; 1067 1068 static void pt_graphics_register_types(void) 1069 { 1070 type_register_static(&isa_bridge_info); 1071 } 1072 type_init(pt_graphics_register_types) 1073 1074 void igd_passthrough_isa_bridge_create(PCIBus *bus, uint16_t gpu_dev_id) 1075 { 1076 struct PCIDevice *bridge_dev; 1077 int i, num; 1078 uint16_t pch_dev_id = 0xffff; 1079 uint8_t pch_rev_id; 1080 1081 num = ARRAY_SIZE(igd_combo_id_infos); 1082 for (i = 0; i < num; i++) { 1083 if (gpu_dev_id == igd_combo_id_infos[i].gpu_device_id) { 1084 pch_dev_id = igd_combo_id_infos[i].pch_device_id; 1085 pch_rev_id = igd_combo_id_infos[i].pch_revision_id; 1086 } 1087 } 1088 1089 if (pch_dev_id == 0xffff) { 1090 return; 1091 } 1092 1093 /* Currently IGD drivers always need to access PCH by 1f.0. */ 1094 bridge_dev = pci_create_simple(bus, PCI_DEVFN(0x1f, 0), 1095 "igd-passthrough-isa-bridge"); 1096 1097 /* 1098 * Note that vendor id is always PCI_VENDOR_ID_INTEL. 1099 */ 1100 if (!bridge_dev) { 1101 fprintf(stderr, "set igd-passthrough-isa-bridge failed!\n"); 1102 return; 1103 } 1104 pci_config_set_device_id(bridge_dev->config, pch_dev_id); 1105 pci_config_set_revision(bridge_dev->config, pch_rev_id); 1106 } 1107 1108 static void isapc_machine_options(MachineClass *m) 1109 { 1110 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 1111 m->desc = "ISA-only PC"; 1112 m->max_cpus = 1; 1113 m->option_rom_has_mr = true; 1114 m->rom_file_has_mr = false; 1115 pcmc->pci_enabled = false; 1116 pcmc->has_acpi_build = false; 1117 pcmc->smbios_defaults = false; 1118 pcmc->gigabyte_align = false; 1119 pcmc->smbios_legacy_mode = true; 1120 pcmc->has_reserved_memory = false; 1121 m->default_cpu_type = X86_CPU_TYPE_NAME("486"); 1122 } 1123 1124 DEFINE_PC_MACHINE(isapc, "isapc", pc_init_isa, 1125 isapc_machine_options); 1126 1127 1128 #ifdef CONFIG_XEN 1129 static void xenfv_machine_options(MachineClass *m) 1130 { 1131 m->desc = "Xen Fully-virtualized PC"; 1132 m->max_cpus = HVM_MAX_VCPUS; 1133 m->default_machine_opts = "accel=xen"; 1134 } 1135 1136 DEFINE_PC_MACHINE(xenfv, "xenfv", pc_xen_hvm_init, 1137 xenfv_machine_options); 1138 #endif 1139