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