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