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