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