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 <glib.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 58 #define MAX_IDE_BUS 2 59 60 static const int ide_iobase[MAX_IDE_BUS] = { 0x1f0, 0x170 }; 61 static const int ide_iobase2[MAX_IDE_BUS] = { 0x3f6, 0x376 }; 62 static const int ide_irq[MAX_IDE_BUS] = { 14, 15 }; 63 64 /* PC hardware initialisation */ 65 static void pc_init1(MachineState *machine, 66 const char *host_type, const char *pci_type) 67 { 68 PCMachineState *pcms = PC_MACHINE(machine); 69 PCMachineClass *pcmc = PC_MACHINE_GET_CLASS(pcms); 70 MemoryRegion *system_memory = get_system_memory(); 71 MemoryRegion *system_io = get_system_io(); 72 int i; 73 PCIBus *pci_bus; 74 ISABus *isa_bus; 75 PCII440FXState *i440fx_state; 76 int piix3_devfn = -1; 77 qemu_irq *gsi; 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 PcGuestInfo *guest_info; 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 guest_info = pc_guest_info_init(pcms); 144 145 guest_info->has_acpi_build = pcmc->has_acpi_build; 146 guest_info->legacy_acpi_table_size = pcmc->legacy_acpi_table_size; 147 148 guest_info->isapc_ram_fw = !pcmc->pci_enabled; 149 guest_info->has_reserved_memory = pcmc->has_reserved_memory; 150 guest_info->rsdp_in_ram = pcmc->rsdp_in_ram; 151 152 if (pcmc->smbios_defaults) { 153 MachineClass *mc = MACHINE_GET_CLASS(machine); 154 /* These values are guest ABI, do not change */ 155 smbios_set_defaults("QEMU", "Standard PC (i440FX + PIIX, 1996)", 156 mc->name, pcmc->smbios_legacy_mode, 157 pcmc->smbios_uuid_encoded, 158 SMBIOS_ENTRY_POINT_21); 159 } 160 161 /* allocate ram and load rom/bios */ 162 if (!xen_enabled()) { 163 pc_memory_init(pcms, system_memory, 164 rom_memory, &ram_memory, guest_info); 165 } else if (machine->kernel_filename != NULL) { 166 /* For xen HVM direct kernel boot, load linux here */ 167 xen_load_linux(pcms, guest_info); 168 } 169 170 gsi_state = g_malloc0(sizeof(*gsi_state)); 171 if (kvm_ioapic_in_kernel()) { 172 kvm_pc_setup_irq_routing(pcmc->pci_enabled); 173 gsi = qemu_allocate_irqs(kvm_pc_gsi_handler, gsi_state, 174 GSI_NUM_PINS); 175 } else { 176 gsi = qemu_allocate_irqs(gsi_handler, gsi_state, GSI_NUM_PINS); 177 } 178 179 if (pcmc->pci_enabled) { 180 pci_bus = i440fx_init(host_type, 181 pci_type, 182 &i440fx_state, &piix3_devfn, &isa_bus, gsi, 183 system_memory, system_io, machine->ram_size, 184 pcms->below_4g_mem_size, 185 pcms->above_4g_mem_size, 186 pci_memory, ram_memory); 187 pcms->bus = pci_bus; 188 } else { 189 pci_bus = NULL; 190 i440fx_state = NULL; 191 isa_bus = isa_bus_new(NULL, get_system_memory(), system_io, 192 &error_abort); 193 no_hpet = 1; 194 } 195 isa_bus_irqs(isa_bus, gsi); 196 197 if (kvm_pic_in_kernel()) { 198 i8259 = kvm_i8259_init(isa_bus); 199 } else if (xen_enabled()) { 200 i8259 = xen_interrupt_controller_init(); 201 } else { 202 i8259 = i8259_init(isa_bus, pc_allocate_cpu_irq()); 203 } 204 205 for (i = 0; i < ISA_NUM_IRQS; i++) { 206 gsi_state->i8259_irq[i] = i8259[i]; 207 } 208 g_free(i8259); 209 if (pcmc->pci_enabled) { 210 ioapic_init_gsi(gsi_state, "i440fx"); 211 } 212 213 pc_register_ferr_irq(gsi[13]); 214 215 pc_vga_init(isa_bus, pcmc->pci_enabled ? pci_bus : NULL); 216 217 assert(pcms->vmport != ON_OFF_AUTO__MAX); 218 if (pcms->vmport == ON_OFF_AUTO_AUTO) { 219 pcms->vmport = xen_enabled() ? ON_OFF_AUTO_OFF : ON_OFF_AUTO_ON; 220 } 221 222 /* init basic PC hardware */ 223 pc_basic_device_init(isa_bus, gsi, &rtc_state, true, 224 (pcms->vmport != ON_OFF_AUTO_ON), 0x4); 225 226 pc_nic_init(isa_bus, pci_bus); 227 228 ide_drive_get(hd, ARRAY_SIZE(hd)); 229 if (pcmc->pci_enabled) { 230 PCIDevice *dev; 231 if (xen_enabled()) { 232 dev = pci_piix3_xen_ide_init(pci_bus, hd, piix3_devfn + 1); 233 } else { 234 dev = pci_piix3_ide_init(pci_bus, hd, piix3_devfn + 1); 235 } 236 idebus[0] = qdev_get_child_bus(&dev->qdev, "ide.0"); 237 idebus[1] = qdev_get_child_bus(&dev->qdev, "ide.1"); 238 } else { 239 for(i = 0; i < MAX_IDE_BUS; i++) { 240 ISADevice *dev; 241 char busname[] = "ide.0"; 242 dev = isa_ide_init(isa_bus, ide_iobase[i], ide_iobase2[i], 243 ide_irq[i], 244 hd[MAX_IDE_DEVS * i], hd[MAX_IDE_DEVS * i + 1]); 245 /* 246 * The ide bus name is ide.0 for the first bus and ide.1 for the 247 * second one. 248 */ 249 busname[4] = '0' + i; 250 idebus[i] = qdev_get_child_bus(DEVICE(dev), busname); 251 } 252 } 253 254 pc_cmos_init(pcms, idebus[0], idebus[1], rtc_state); 255 256 if (pcmc->pci_enabled && usb_enabled()) { 257 pci_create_simple(pci_bus, piix3_devfn + 2, "piix3-usb-uhci"); 258 } 259 260 if (pcmc->pci_enabled && acpi_enabled) { 261 DeviceState *piix4_pm; 262 I2CBus *smbus; 263 264 smi_irq = qemu_allocate_irq(pc_acpi_smi_interrupt, first_cpu, 0); 265 /* TODO: Populate SPD eeprom data. */ 266 smbus = piix4_pm_init(pci_bus, piix3_devfn + 3, 0xb100, 267 gsi[9], smi_irq, 268 pc_machine_is_smm_enabled(pcms), 269 &piix4_pm); 270 smbus_eeprom_init(smbus, 8, NULL, 0); 271 272 object_property_add_link(OBJECT(machine), PC_MACHINE_ACPI_DEVICE_PROP, 273 TYPE_HOTPLUG_HANDLER, 274 (Object **)&pcms->acpi_dev, 275 object_property_allow_set_link, 276 OBJ_PROP_LINK_UNREF_ON_RELEASE, &error_abort); 277 object_property_set_link(OBJECT(machine), OBJECT(piix4_pm), 278 PC_MACHINE_ACPI_DEVICE_PROP, &error_abort); 279 } 280 281 if (pcmc->pci_enabled) { 282 pc_pci_device_init(pci_bus); 283 } 284 } 285 286 /* Looking for a pc_compat_2_4() function? It doesn't exist. 287 * pc_compat_*() functions that run on machine-init time and 288 * change global QEMU state are deprecated. Please don't create 289 * one, and implement any pc-*-2.4 (and newer) compat code in 290 * HW_COMPAT_*, PC_COMPAT_*, or * pc_*_machine_options(). 291 */ 292 293 static void pc_compat_2_3(MachineState *machine) 294 { 295 PCMachineState *pcms = PC_MACHINE(machine); 296 savevm_skip_section_footers(); 297 if (kvm_enabled()) { 298 pcms->smm = ON_OFF_AUTO_OFF; 299 } 300 global_state_set_optional(); 301 savevm_skip_configuration(); 302 } 303 304 static void pc_compat_2_2(MachineState *machine) 305 { 306 pc_compat_2_3(machine); 307 machine->suppress_vmdesc = true; 308 } 309 310 static void pc_compat_2_1(MachineState *machine) 311 { 312 pc_compat_2_2(machine); 313 x86_cpu_change_kvm_default("svm", NULL); 314 } 315 316 static void pc_compat_2_0(MachineState *machine) 317 { 318 pc_compat_2_1(machine); 319 } 320 321 static void pc_compat_1_7(MachineState *machine) 322 { 323 pc_compat_2_0(machine); 324 x86_cpu_change_kvm_default("x2apic", NULL); 325 } 326 327 static void pc_compat_1_6(MachineState *machine) 328 { 329 pc_compat_1_7(machine); 330 } 331 332 static void pc_compat_1_5(MachineState *machine) 333 { 334 pc_compat_1_6(machine); 335 } 336 337 static void pc_compat_1_4(MachineState *machine) 338 { 339 pc_compat_1_5(machine); 340 } 341 342 static void pc_compat_1_3(MachineState *machine) 343 { 344 pc_compat_1_4(machine); 345 enable_compat_apic_id_mode(); 346 } 347 348 /* PC compat function for pc-0.14 to pc-1.2 */ 349 static void pc_compat_1_2(MachineState *machine) 350 { 351 pc_compat_1_3(machine); 352 x86_cpu_change_kvm_default("kvm-pv-eoi", NULL); 353 } 354 355 /* PC compat function for pc-0.10 to pc-0.13 */ 356 static void pc_compat_0_13(MachineState *machine) 357 { 358 pc_compat_1_2(machine); 359 } 360 361 static void pc_init_isa(MachineState *machine) 362 { 363 if (!machine->cpu_model) { 364 machine->cpu_model = "486"; 365 } 366 x86_cpu_change_kvm_default("kvm-pv-eoi", NULL); 367 enable_compat_apic_id_mode(); 368 pc_init1(machine, TYPE_I440FX_PCI_HOST_BRIDGE, TYPE_I440FX_PCI_DEVICE); 369 } 370 371 #ifdef CONFIG_XEN 372 static void pc_xen_hvm_init_pci(MachineState *machine) 373 { 374 const char *pci_type = has_igd_gfx_passthru ? 375 TYPE_IGD_PASSTHROUGH_I440FX_PCI_DEVICE : TYPE_I440FX_PCI_DEVICE; 376 377 pc_init1(machine, 378 TYPE_I440FX_PCI_HOST_BRIDGE, 379 pci_type); 380 } 381 382 static void pc_xen_hvm_init(MachineState *machine) 383 { 384 PCIBus *bus; 385 386 if (!xen_enabled()) { 387 error_report("xenfv machine requires the xen accelerator"); 388 exit(1); 389 } 390 391 pc_xen_hvm_init_pci(machine); 392 393 bus = pci_find_primary_bus(); 394 if (bus != NULL) { 395 pci_create_simple(bus, -1, "xen-platform"); 396 } 397 } 398 #endif 399 400 #define DEFINE_I440FX_MACHINE(suffix, name, compatfn, optionfn) \ 401 static void pc_init_##suffix(MachineState *machine) \ 402 { \ 403 void (*compat)(MachineState *m) = (compatfn); \ 404 if (compat) { \ 405 compat(machine); \ 406 } \ 407 pc_init1(machine, TYPE_I440FX_PCI_HOST_BRIDGE, \ 408 TYPE_I440FX_PCI_DEVICE); \ 409 } \ 410 DEFINE_PC_MACHINE(suffix, name, pc_init_##suffix, optionfn) 411 412 static void pc_i440fx_machine_options(MachineClass *m) 413 { 414 m->family = "pc_piix"; 415 m->desc = "Standard PC (i440FX + PIIX, 1996)"; 416 m->hot_add_cpu = pc_hot_add_cpu; 417 m->default_machine_opts = "firmware=bios-256k.bin"; 418 m->default_display = "std"; 419 } 420 421 static void pc_i440fx_2_6_machine_options(MachineClass *m) 422 { 423 pc_i440fx_machine_options(m); 424 m->alias = "pc"; 425 m->is_default = 1; 426 } 427 428 DEFINE_I440FX_MACHINE(v2_6, "pc-i440fx-2.6", NULL, 429 pc_i440fx_2_6_machine_options); 430 431 432 static void pc_i440fx_2_5_machine_options(MachineClass *m) 433 { 434 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 435 pc_i440fx_2_6_machine_options(m); 436 m->alias = NULL; 437 m->is_default = 0; 438 pcmc->save_tsc_khz = false; 439 SET_MACHINE_COMPAT(m, PC_COMPAT_2_5); 440 } 441 442 DEFINE_I440FX_MACHINE(v2_5, "pc-i440fx-2.5", NULL, 443 pc_i440fx_2_5_machine_options); 444 445 446 static void pc_i440fx_2_4_machine_options(MachineClass *m) 447 { 448 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 449 pc_i440fx_2_5_machine_options(m); 450 m->hw_version = "2.4.0"; 451 pcmc->broken_reserved_end = true; 452 SET_MACHINE_COMPAT(m, PC_COMPAT_2_4); 453 } 454 455 DEFINE_I440FX_MACHINE(v2_4, "pc-i440fx-2.4", NULL, 456 pc_i440fx_2_4_machine_options) 457 458 459 static void pc_i440fx_2_3_machine_options(MachineClass *m) 460 { 461 pc_i440fx_2_4_machine_options(m); 462 m->hw_version = "2.3.0"; 463 SET_MACHINE_COMPAT(m, PC_COMPAT_2_3); 464 } 465 466 DEFINE_I440FX_MACHINE(v2_3, "pc-i440fx-2.3", pc_compat_2_3, 467 pc_i440fx_2_3_machine_options); 468 469 470 static void pc_i440fx_2_2_machine_options(MachineClass *m) 471 { 472 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 473 pc_i440fx_2_3_machine_options(m); 474 m->hw_version = "2.2.0"; 475 SET_MACHINE_COMPAT(m, PC_COMPAT_2_2); 476 pcmc->rsdp_in_ram = false; 477 } 478 479 DEFINE_I440FX_MACHINE(v2_2, "pc-i440fx-2.2", pc_compat_2_2, 480 pc_i440fx_2_2_machine_options); 481 482 483 static void pc_i440fx_2_1_machine_options(MachineClass *m) 484 { 485 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 486 pc_i440fx_2_2_machine_options(m); 487 m->hw_version = "2.1.0"; 488 m->default_display = NULL; 489 SET_MACHINE_COMPAT(m, PC_COMPAT_2_1); 490 pcmc->smbios_uuid_encoded = false; 491 pcmc->enforce_aligned_dimm = false; 492 } 493 494 DEFINE_I440FX_MACHINE(v2_1, "pc-i440fx-2.1", pc_compat_2_1, 495 pc_i440fx_2_1_machine_options); 496 497 498 499 static void pc_i440fx_2_0_machine_options(MachineClass *m) 500 { 501 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 502 pc_i440fx_2_1_machine_options(m); 503 m->hw_version = "2.0.0"; 504 SET_MACHINE_COMPAT(m, PC_COMPAT_2_0); 505 pcmc->smbios_legacy_mode = true; 506 pcmc->has_reserved_memory = false; 507 /* This value depends on the actual DSDT and SSDT compiled into 508 * the source QEMU; unfortunately it depends on the binary and 509 * not on the machine type, so we cannot make pc-i440fx-1.7 work on 510 * both QEMU 1.7 and QEMU 2.0. 511 * 512 * Large variations cause migration to fail for more than one 513 * consecutive value of the "-smp" maxcpus option. 514 * 515 * For small variations of the kind caused by different iasl versions, 516 * the 4k rounding usually leaves slack. However, there could be still 517 * one or two values that break. For QEMU 1.7 and QEMU 2.0 the 518 * slack is only ~10 bytes before one "-smp maxcpus" value breaks! 519 * 520 * 6652 is valid for QEMU 2.0, the right value for pc-i440fx-1.7 on 521 * QEMU 1.7 it is 6414. For RHEL/CentOS 7.0 it is 6418. 522 */ 523 pcmc->legacy_acpi_table_size = 6652; 524 pcmc->acpi_data_size = 0x10000; 525 } 526 527 DEFINE_I440FX_MACHINE(v2_0, "pc-i440fx-2.0", pc_compat_2_0, 528 pc_i440fx_2_0_machine_options); 529 530 531 static void pc_i440fx_1_7_machine_options(MachineClass *m) 532 { 533 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 534 pc_i440fx_2_0_machine_options(m); 535 m->hw_version = "1.7.0"; 536 m->default_machine_opts = NULL; 537 m->option_rom_has_mr = true; 538 SET_MACHINE_COMPAT(m, PC_COMPAT_1_7); 539 pcmc->smbios_defaults = false; 540 pcmc->gigabyte_align = false; 541 pcmc->legacy_acpi_table_size = 6414; 542 } 543 544 DEFINE_I440FX_MACHINE(v1_7, "pc-i440fx-1.7", pc_compat_1_7, 545 pc_i440fx_1_7_machine_options); 546 547 548 static void pc_i440fx_1_6_machine_options(MachineClass *m) 549 { 550 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 551 pc_i440fx_1_7_machine_options(m); 552 m->hw_version = "1.6.0"; 553 m->rom_file_has_mr = false; 554 SET_MACHINE_COMPAT(m, PC_COMPAT_1_6); 555 pcmc->has_acpi_build = false; 556 } 557 558 DEFINE_I440FX_MACHINE(v1_6, "pc-i440fx-1.6", pc_compat_1_6, 559 pc_i440fx_1_6_machine_options); 560 561 562 static void pc_i440fx_1_5_machine_options(MachineClass *m) 563 { 564 pc_i440fx_1_6_machine_options(m); 565 m->hw_version = "1.5.0"; 566 SET_MACHINE_COMPAT(m, PC_COMPAT_1_5); 567 } 568 569 DEFINE_I440FX_MACHINE(v1_5, "pc-i440fx-1.5", pc_compat_1_5, 570 pc_i440fx_1_5_machine_options); 571 572 573 static void pc_i440fx_1_4_machine_options(MachineClass *m) 574 { 575 pc_i440fx_1_5_machine_options(m); 576 m->hw_version = "1.4.0"; 577 m->hot_add_cpu = NULL; 578 SET_MACHINE_COMPAT(m, PC_COMPAT_1_4); 579 } 580 581 DEFINE_I440FX_MACHINE(v1_4, "pc-i440fx-1.4", pc_compat_1_4, 582 pc_i440fx_1_4_machine_options); 583 584 585 #define PC_COMPAT_1_3 \ 586 PC_COMPAT_1_4 \ 587 {\ 588 .driver = "usb-tablet",\ 589 .property = "usb_version",\ 590 .value = stringify(1),\ 591 },{\ 592 .driver = "virtio-net-pci",\ 593 .property = "ctrl_mac_addr",\ 594 .value = "off", \ 595 },{ \ 596 .driver = "virtio-net-pci", \ 597 .property = "mq", \ 598 .value = "off", \ 599 }, {\ 600 .driver = "e1000",\ 601 .property = "autonegotiation",\ 602 .value = "off",\ 603 }, 604 605 606 static void pc_i440fx_1_3_machine_options(MachineClass *m) 607 { 608 pc_i440fx_1_4_machine_options(m); 609 m->hw_version = "1.3.0"; 610 SET_MACHINE_COMPAT(m, PC_COMPAT_1_3); 611 } 612 613 DEFINE_I440FX_MACHINE(v1_3, "pc-1.3", pc_compat_1_3, 614 pc_i440fx_1_3_machine_options); 615 616 617 #define PC_COMPAT_1_2 \ 618 PC_COMPAT_1_3 \ 619 {\ 620 .driver = "nec-usb-xhci",\ 621 .property = "msi",\ 622 .value = "off",\ 623 },{\ 624 .driver = "nec-usb-xhci",\ 625 .property = "msix",\ 626 .value = "off",\ 627 },{\ 628 .driver = "ivshmem",\ 629 .property = "use64",\ 630 .value = "0",\ 631 },{\ 632 .driver = "qxl",\ 633 .property = "revision",\ 634 .value = stringify(3),\ 635 },{\ 636 .driver = "qxl-vga",\ 637 .property = "revision",\ 638 .value = stringify(3),\ 639 },{\ 640 .driver = "VGA",\ 641 .property = "mmio",\ 642 .value = "off",\ 643 }, 644 645 static void pc_i440fx_1_2_machine_options(MachineClass *m) 646 { 647 pc_i440fx_1_3_machine_options(m); 648 m->hw_version = "1.2.0"; 649 SET_MACHINE_COMPAT(m, PC_COMPAT_1_2); 650 } 651 652 DEFINE_I440FX_MACHINE(v1_2, "pc-1.2", pc_compat_1_2, 653 pc_i440fx_1_2_machine_options); 654 655 656 #define PC_COMPAT_1_1 \ 657 PC_COMPAT_1_2 \ 658 {\ 659 .driver = "virtio-scsi-pci",\ 660 .property = "hotplug",\ 661 .value = "off",\ 662 },{\ 663 .driver = "virtio-scsi-pci",\ 664 .property = "param_change",\ 665 .value = "off",\ 666 },{\ 667 .driver = "VGA",\ 668 .property = "vgamem_mb",\ 669 .value = stringify(8),\ 670 },{\ 671 .driver = "vmware-svga",\ 672 .property = "vgamem_mb",\ 673 .value = stringify(8),\ 674 },{\ 675 .driver = "qxl-vga",\ 676 .property = "vgamem_mb",\ 677 .value = stringify(8),\ 678 },{\ 679 .driver = "qxl",\ 680 .property = "vgamem_mb",\ 681 .value = stringify(8),\ 682 },{\ 683 .driver = "virtio-blk-pci",\ 684 .property = "config-wce",\ 685 .value = "off",\ 686 }, 687 688 static void pc_i440fx_1_1_machine_options(MachineClass *m) 689 { 690 pc_i440fx_1_2_machine_options(m); 691 m->hw_version = "1.1.0"; 692 SET_MACHINE_COMPAT(m, PC_COMPAT_1_1); 693 } 694 695 DEFINE_I440FX_MACHINE(v1_1, "pc-1.1", pc_compat_1_2, 696 pc_i440fx_1_1_machine_options); 697 698 699 #define PC_COMPAT_1_0 \ 700 PC_COMPAT_1_1 \ 701 {\ 702 .driver = TYPE_ISA_FDC,\ 703 .property = "check_media_rate",\ 704 .value = "off",\ 705 }, {\ 706 .driver = "virtio-balloon-pci",\ 707 .property = "class",\ 708 .value = stringify(PCI_CLASS_MEMORY_RAM),\ 709 },{\ 710 .driver = "apic-common",\ 711 .property = "vapic",\ 712 .value = "off",\ 713 },{\ 714 .driver = TYPE_USB_DEVICE,\ 715 .property = "full-path",\ 716 .value = "no",\ 717 }, 718 719 static void pc_i440fx_1_0_machine_options(MachineClass *m) 720 { 721 pc_i440fx_1_1_machine_options(m); 722 m->hw_version = "1.0"; 723 SET_MACHINE_COMPAT(m, PC_COMPAT_1_0); 724 } 725 726 DEFINE_I440FX_MACHINE(v1_0, "pc-1.0", pc_compat_1_2, 727 pc_i440fx_1_0_machine_options); 728 729 730 #define PC_COMPAT_0_15 \ 731 PC_COMPAT_1_0 732 733 static void pc_i440fx_0_15_machine_options(MachineClass *m) 734 { 735 pc_i440fx_1_0_machine_options(m); 736 m->hw_version = "0.15"; 737 SET_MACHINE_COMPAT(m, PC_COMPAT_0_15); 738 } 739 740 DEFINE_I440FX_MACHINE(v0_15, "pc-0.15", pc_compat_1_2, 741 pc_i440fx_0_15_machine_options); 742 743 744 #define PC_COMPAT_0_14 \ 745 PC_COMPAT_0_15 \ 746 {\ 747 .driver = "virtio-blk-pci",\ 748 .property = "event_idx",\ 749 .value = "off",\ 750 },{\ 751 .driver = "virtio-serial-pci",\ 752 .property = "event_idx",\ 753 .value = "off",\ 754 },{\ 755 .driver = "virtio-net-pci",\ 756 .property = "event_idx",\ 757 .value = "off",\ 758 },{\ 759 .driver = "virtio-balloon-pci",\ 760 .property = "event_idx",\ 761 .value = "off",\ 762 },{\ 763 .driver = "qxl",\ 764 .property = "revision",\ 765 .value = stringify(2),\ 766 },{\ 767 .driver = "qxl-vga",\ 768 .property = "revision",\ 769 .value = stringify(2),\ 770 }, 771 772 static void pc_i440fx_0_14_machine_options(MachineClass *m) 773 { 774 pc_i440fx_0_15_machine_options(m); 775 m->hw_version = "0.14"; 776 SET_MACHINE_COMPAT(m, PC_COMPAT_0_14); 777 } 778 779 DEFINE_I440FX_MACHINE(v0_14, "pc-0.14", pc_compat_1_2, 780 pc_i440fx_0_14_machine_options); 781 782 783 #define PC_COMPAT_0_13 \ 784 PC_COMPAT_0_14 \ 785 {\ 786 .driver = TYPE_PCI_DEVICE,\ 787 .property = "command_serr_enable",\ 788 .value = "off",\ 789 },{\ 790 .driver = "AC97",\ 791 .property = "use_broken_id",\ 792 .value = stringify(1),\ 793 },{\ 794 .driver = "virtio-9p-pci",\ 795 .property = "vectors",\ 796 .value = stringify(0),\ 797 },{\ 798 .driver = "VGA",\ 799 .property = "rombar",\ 800 .value = stringify(0),\ 801 },{\ 802 .driver = "vmware-svga",\ 803 .property = "rombar",\ 804 .value = stringify(0),\ 805 }, 806 807 static void pc_i440fx_0_13_machine_options(MachineClass *m) 808 { 809 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 810 pc_i440fx_0_14_machine_options(m); 811 m->hw_version = "0.13"; 812 SET_MACHINE_COMPAT(m, PC_COMPAT_0_13); 813 pcmc->kvmclock_enabled = false; 814 } 815 816 DEFINE_I440FX_MACHINE(v0_13, "pc-0.13", pc_compat_0_13, 817 pc_i440fx_0_13_machine_options); 818 819 820 #define PC_COMPAT_0_12 \ 821 PC_COMPAT_0_13 \ 822 {\ 823 .driver = "virtio-serial-pci",\ 824 .property = "max_ports",\ 825 .value = stringify(1),\ 826 },{\ 827 .driver = "virtio-serial-pci",\ 828 .property = "vectors",\ 829 .value = stringify(0),\ 830 },{\ 831 .driver = "usb-mouse",\ 832 .property = "serial",\ 833 .value = "1",\ 834 },{\ 835 .driver = "usb-tablet",\ 836 .property = "serial",\ 837 .value = "1",\ 838 },{\ 839 .driver = "usb-kbd",\ 840 .property = "serial",\ 841 .value = "1",\ 842 }, 843 844 static void pc_i440fx_0_12_machine_options(MachineClass *m) 845 { 846 pc_i440fx_0_13_machine_options(m); 847 m->hw_version = "0.12"; 848 SET_MACHINE_COMPAT(m, PC_COMPAT_0_12); 849 } 850 851 DEFINE_I440FX_MACHINE(v0_12, "pc-0.12", pc_compat_0_13, 852 pc_i440fx_0_12_machine_options); 853 854 855 #define PC_COMPAT_0_11 \ 856 PC_COMPAT_0_12 \ 857 {\ 858 .driver = "virtio-blk-pci",\ 859 .property = "vectors",\ 860 .value = stringify(0),\ 861 },{\ 862 .driver = TYPE_PCI_DEVICE,\ 863 .property = "rombar",\ 864 .value = stringify(0),\ 865 },{\ 866 .driver = "ide-drive",\ 867 .property = "ver",\ 868 .value = "0.11",\ 869 },{\ 870 .driver = "scsi-disk",\ 871 .property = "ver",\ 872 .value = "0.11",\ 873 }, 874 875 static void pc_i440fx_0_11_machine_options(MachineClass *m) 876 { 877 pc_i440fx_0_12_machine_options(m); 878 m->hw_version = "0.11"; 879 SET_MACHINE_COMPAT(m, PC_COMPAT_0_11); 880 } 881 882 DEFINE_I440FX_MACHINE(v0_11, "pc-0.11", pc_compat_0_13, 883 pc_i440fx_0_11_machine_options); 884 885 886 #define PC_COMPAT_0_10 \ 887 PC_COMPAT_0_11 \ 888 {\ 889 .driver = "virtio-blk-pci",\ 890 .property = "class",\ 891 .value = stringify(PCI_CLASS_STORAGE_OTHER),\ 892 },{\ 893 .driver = "virtio-serial-pci",\ 894 .property = "class",\ 895 .value = stringify(PCI_CLASS_DISPLAY_OTHER),\ 896 },{\ 897 .driver = "virtio-net-pci",\ 898 .property = "vectors",\ 899 .value = stringify(0),\ 900 },{\ 901 .driver = "ide-drive",\ 902 .property = "ver",\ 903 .value = "0.10",\ 904 },{\ 905 .driver = "scsi-disk",\ 906 .property = "ver",\ 907 .value = "0.10",\ 908 }, 909 910 static void pc_i440fx_0_10_machine_options(MachineClass *m) 911 { 912 pc_i440fx_0_11_machine_options(m); 913 m->hw_version = "0.10"; 914 SET_MACHINE_COMPAT(m, PC_COMPAT_0_10); 915 } 916 917 DEFINE_I440FX_MACHINE(v0_10, "pc-0.10", pc_compat_0_13, 918 pc_i440fx_0_10_machine_options); 919 920 typedef struct { 921 uint16_t gpu_device_id; 922 uint16_t pch_device_id; 923 uint8_t pch_revision_id; 924 } IGDDeviceIDInfo; 925 926 /* In real world different GPU should have different PCH. But actually 927 * the different PCH DIDs likely map to different PCH SKUs. We do the 928 * same thing for the GPU. For PCH, the different SKUs are going to be 929 * all the same silicon design and implementation, just different 930 * features turn on and off with fuses. The SW interfaces should be 931 * consistent across all SKUs in a given family (eg LPT). But just same 932 * features may not be supported. 933 * 934 * Most of these different PCH features probably don't matter to the 935 * Gfx driver, but obviously any difference in display port connections 936 * will so it should be fine with any PCH in case of passthrough. 937 * 938 * So currently use one PCH version, 0x8c4e, to cover all HSW(Haswell) 939 * scenarios, 0x9cc3 for BDW(Broadwell). 940 */ 941 static const IGDDeviceIDInfo igd_combo_id_infos[] = { 942 /* HSW Classic */ 943 {0x0402, 0x8c4e, 0x04}, /* HSWGT1D, HSWD_w7 */ 944 {0x0406, 0x8c4e, 0x04}, /* HSWGT1M, HSWM_w7 */ 945 {0x0412, 0x8c4e, 0x04}, /* HSWGT2D, HSWD_w7 */ 946 {0x0416, 0x8c4e, 0x04}, /* HSWGT2M, HSWM_w7 */ 947 {0x041E, 0x8c4e, 0x04}, /* HSWGT15D, HSWD_w7 */ 948 /* HSW ULT */ 949 {0x0A06, 0x8c4e, 0x04}, /* HSWGT1UT, HSWM_w7 */ 950 {0x0A16, 0x8c4e, 0x04}, /* HSWGT2UT, HSWM_w7 */ 951 {0x0A26, 0x8c4e, 0x06}, /* HSWGT3UT, HSWM_w7 */ 952 {0x0A2E, 0x8c4e, 0x04}, /* HSWGT3UT28W, HSWM_w7 */ 953 {0x0A1E, 0x8c4e, 0x04}, /* HSWGT2UX, HSWM_w7 */ 954 {0x0A0E, 0x8c4e, 0x04}, /* HSWGT1ULX, HSWM_w7 */ 955 /* HSW CRW */ 956 {0x0D26, 0x8c4e, 0x04}, /* HSWGT3CW, HSWM_w7 */ 957 {0x0D22, 0x8c4e, 0x04}, /* HSWGT3CWDT, HSWD_w7 */ 958 /* HSW Server */ 959 {0x041A, 0x8c4e, 0x04}, /* HSWSVGT2, HSWD_w7 */ 960 /* HSW SRVR */ 961 {0x040A, 0x8c4e, 0x04}, /* HSWSVGT1, HSWD_w7 */ 962 /* BSW */ 963 {0x1606, 0x9cc3, 0x03}, /* BDWULTGT1, BDWM_w7 */ 964 {0x1616, 0x9cc3, 0x03}, /* BDWULTGT2, BDWM_w7 */ 965 {0x1626, 0x9cc3, 0x03}, /* BDWULTGT3, BDWM_w7 */ 966 {0x160E, 0x9cc3, 0x03}, /* BDWULXGT1, BDWM_w7 */ 967 {0x161E, 0x9cc3, 0x03}, /* BDWULXGT2, BDWM_w7 */ 968 {0x1602, 0x9cc3, 0x03}, /* BDWHALOGT1, BDWM_w7 */ 969 {0x1612, 0x9cc3, 0x03}, /* BDWHALOGT2, BDWM_w7 */ 970 {0x1622, 0x9cc3, 0x03}, /* BDWHALOGT3, BDWM_w7 */ 971 {0x162B, 0x9cc3, 0x03}, /* BDWHALO28W, BDWM_w7 */ 972 {0x162A, 0x9cc3, 0x03}, /* BDWGT3WRKS, BDWM_w7 */ 973 {0x162D, 0x9cc3, 0x03}, /* BDWGT3SRVR, BDWM_w7 */ 974 }; 975 976 static void isa_bridge_class_init(ObjectClass *klass, void *data) 977 { 978 DeviceClass *dc = DEVICE_CLASS(klass); 979 PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); 980 981 dc->desc = "ISA bridge faked to support IGD PT"; 982 k->vendor_id = PCI_VENDOR_ID_INTEL; 983 k->class_id = PCI_CLASS_BRIDGE_ISA; 984 }; 985 986 static TypeInfo isa_bridge_info = { 987 .name = "igd-passthrough-isa-bridge", 988 .parent = TYPE_PCI_DEVICE, 989 .instance_size = sizeof(PCIDevice), 990 .class_init = isa_bridge_class_init, 991 }; 992 993 static void pt_graphics_register_types(void) 994 { 995 type_register_static(&isa_bridge_info); 996 } 997 type_init(pt_graphics_register_types) 998 999 void igd_passthrough_isa_bridge_create(PCIBus *bus, uint16_t gpu_dev_id) 1000 { 1001 struct PCIDevice *bridge_dev; 1002 int i, num; 1003 uint16_t pch_dev_id = 0xffff; 1004 uint8_t pch_rev_id; 1005 1006 num = ARRAY_SIZE(igd_combo_id_infos); 1007 for (i = 0; i < num; i++) { 1008 if (gpu_dev_id == igd_combo_id_infos[i].gpu_device_id) { 1009 pch_dev_id = igd_combo_id_infos[i].pch_device_id; 1010 pch_rev_id = igd_combo_id_infos[i].pch_revision_id; 1011 } 1012 } 1013 1014 if (pch_dev_id == 0xffff) { 1015 return; 1016 } 1017 1018 /* Currently IGD drivers always need to access PCH by 1f.0. */ 1019 bridge_dev = pci_create_simple(bus, PCI_DEVFN(0x1f, 0), 1020 "igd-passthrough-isa-bridge"); 1021 1022 /* 1023 * Note that vendor id is always PCI_VENDOR_ID_INTEL. 1024 */ 1025 if (!bridge_dev) { 1026 fprintf(stderr, "set igd-passthrough-isa-bridge failed!\n"); 1027 return; 1028 } 1029 pci_config_set_device_id(bridge_dev->config, pch_dev_id); 1030 pci_config_set_revision(bridge_dev->config, pch_rev_id); 1031 } 1032 1033 static void isapc_machine_options(MachineClass *m) 1034 { 1035 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 1036 m->desc = "ISA-only PC"; 1037 m->max_cpus = 1; 1038 m->option_rom_has_mr = true; 1039 m->rom_file_has_mr = false; 1040 pcmc->pci_enabled = false; 1041 pcmc->has_acpi_build = false; 1042 pcmc->smbios_defaults = false; 1043 pcmc->gigabyte_align = false; 1044 pcmc->smbios_legacy_mode = true; 1045 pcmc->has_reserved_memory = false; 1046 } 1047 1048 DEFINE_PC_MACHINE(isapc, "isapc", pc_init_isa, 1049 isapc_machine_options); 1050 1051 1052 #ifdef CONFIG_XEN 1053 static void xenfv_machine_options(MachineClass *m) 1054 { 1055 m->desc = "Xen Fully-virtualized PC"; 1056 m->max_cpus = HVM_MAX_VCPUS; 1057 m->default_machine_opts = "accel=xen"; 1058 m->hot_add_cpu = pc_hot_add_cpu; 1059 } 1060 1061 DEFINE_PC_MACHINE(xenfv, "xenfv", pc_xen_hvm_init, 1062 xenfv_machine_options); 1063 #endif 1064