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