1 /* 2 * QEMU PC System Emulator 3 * 4 * Copyright (c) 2003-2004 Fabrice Bellard 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a copy 7 * of this software and associated documentation files (the "Software"), to deal 8 * in the Software without restriction, including without limitation the rights 9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 10 * copies of the Software, and to permit persons to whom the Software is 11 * furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice shall be included in 14 * all copies or substantial portions of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 22 * THE SOFTWARE. 23 */ 24 25 #include "qemu/osdep.h" 26 27 #include "hw/hw.h" 28 #include "hw/loader.h" 29 #include "hw/i386/pc.h" 30 #include "hw/i386/apic.h" 31 #include "hw/smbios/smbios.h" 32 #include "hw/pci/pci.h" 33 #include "hw/pci/pci_ids.h" 34 #include "hw/usb.h" 35 #include "net/net.h" 36 #include "hw/boards.h" 37 #include "hw/ide.h" 38 #include "sysemu/kvm.h" 39 #include "hw/kvm/clock.h" 40 #include "sysemu/sysemu.h" 41 #include "hw/sysbus.h" 42 #include "sysemu/arch_init.h" 43 #include "sysemu/block-backend.h" 44 #include "hw/i2c/smbus.h" 45 #include "hw/xen/xen.h" 46 #include "exec/memory.h" 47 #include "exec/address-spaces.h" 48 #include "hw/acpi/acpi.h" 49 #include "cpu.h" 50 #include "qemu/error-report.h" 51 #ifdef CONFIG_XEN 52 #include <xen/hvm/hvm_info_table.h> 53 #include "hw/xen/xen_pt.h" 54 #endif 55 #include "migration/global_state.h" 56 #include "migration/misc.h" 57 #include "kvm_i386.h" 58 #include "sysemu/numa.h" 59 60 #define MAX_IDE_BUS 2 61 62 static const int ide_iobase[MAX_IDE_BUS] = { 0x1f0, 0x170 }; 63 static const int ide_iobase2[MAX_IDE_BUS] = { 0x3f6, 0x376 }; 64 static const int ide_irq[MAX_IDE_BUS] = { 14, 15 }; 65 66 /* PC hardware initialisation */ 67 static void pc_init1(MachineState *machine, 68 const char *host_type, const char *pci_type) 69 { 70 PCMachineState *pcms = PC_MACHINE(machine); 71 PCMachineClass *pcmc = PC_MACHINE_GET_CLASS(pcms); 72 MemoryRegion *system_memory = get_system_memory(); 73 MemoryRegion *system_io = get_system_io(); 74 int i; 75 PCIBus *pci_bus; 76 ISABus *isa_bus; 77 PCII440FXState *i440fx_state; 78 int piix3_devfn = -1; 79 qemu_irq *i8259; 80 qemu_irq smi_irq; 81 GSIState *gsi_state; 82 DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS]; 83 BusState *idebus[MAX_IDE_BUS]; 84 ISADevice *rtc_state; 85 MemoryRegion *ram_memory; 86 MemoryRegion *pci_memory; 87 MemoryRegion *rom_memory; 88 ram_addr_t lowmem; 89 90 /* 91 * Calculate ram split, for memory below and above 4G. It's a bit 92 * complicated for backward compatibility reasons ... 93 * 94 * - Traditional split is 3.5G (lowmem = 0xe0000000). This is the 95 * default value for max_ram_below_4g now. 96 * 97 * - Then, to gigabyte align the memory, we move the split to 3G 98 * (lowmem = 0xc0000000). But only in case we have to split in 99 * the first place, i.e. ram_size is larger than (traditional) 100 * lowmem. And for new machine types (gigabyte_align = true) 101 * only, for live migration compatibility reasons. 102 * 103 * - Next the max-ram-below-4g option was added, which allowed to 104 * reduce lowmem to a smaller value, to allow a larger PCI I/O 105 * window below 4G. qemu doesn't enforce gigabyte alignment here, 106 * but prints a warning. 107 * 108 * - Finally max-ram-below-4g got updated to also allow raising lowmem, 109 * so legacy non-PAE guests can get as much memory as possible in 110 * the 32bit address space below 4G. 111 * 112 * - Note that Xen has its own ram setp code in xen_ram_init(), 113 * called via xen_hvm_init(). 114 * 115 * Examples: 116 * qemu -M pc-1.7 -m 4G (old default) -> 3584M low, 512M high 117 * qemu -M pc -m 4G (new default) -> 3072M low, 1024M high 118 * qemu -M pc,max-ram-below-4g=2G -m 4G -> 2048M low, 2048M high 119 * qemu -M pc,max-ram-below-4g=4G -m 3968M -> 3968M low (=4G-128M) 120 */ 121 if (xen_enabled()) { 122 xen_hvm_init(pcms, &ram_memory); 123 } else { 124 if (!pcms->max_ram_below_4g) { 125 pcms->max_ram_below_4g = 0xe0000000; /* default: 3.5G */ 126 } 127 lowmem = pcms->max_ram_below_4g; 128 if (machine->ram_size >= pcms->max_ram_below_4g) { 129 if (pcmc->gigabyte_align) { 130 if (lowmem > 0xc0000000) { 131 lowmem = 0xc0000000; 132 } 133 if (lowmem & ((1ULL << 30) - 1)) { 134 warn_report("Large machine and max_ram_below_4g " 135 "(%" PRIu64 ") not a multiple of 1G; " 136 "possible bad performance.", 137 pcms->max_ram_below_4g); 138 } 139 } 140 } 141 142 if (machine->ram_size >= lowmem) { 143 pcms->above_4g_mem_size = machine->ram_size - lowmem; 144 pcms->below_4g_mem_size = lowmem; 145 } else { 146 pcms->above_4g_mem_size = 0; 147 pcms->below_4g_mem_size = machine->ram_size; 148 } 149 } 150 151 pc_cpus_init(pcms); 152 153 if (kvm_enabled() && pcmc->kvmclock_enabled) { 154 kvmclock_create(); 155 } 156 157 if (pcmc->pci_enabled) { 158 pci_memory = g_new(MemoryRegion, 1); 159 memory_region_init(pci_memory, NULL, "pci", UINT64_MAX); 160 rom_memory = pci_memory; 161 } else { 162 pci_memory = NULL; 163 rom_memory = system_memory; 164 } 165 166 pc_guest_info_init(pcms); 167 168 if (pcmc->smbios_defaults) { 169 MachineClass *mc = MACHINE_GET_CLASS(machine); 170 /* These values are guest ABI, do not change */ 171 smbios_set_defaults("QEMU", "Standard PC (i440FX + PIIX, 1996)", 172 mc->name, pcmc->smbios_legacy_mode, 173 pcmc->smbios_uuid_encoded, 174 SMBIOS_ENTRY_POINT_21); 175 } 176 177 /* allocate ram and load rom/bios */ 178 if (!xen_enabled()) { 179 pc_memory_init(pcms, system_memory, 180 rom_memory, &ram_memory); 181 } else if (machine->kernel_filename != NULL) { 182 /* For xen HVM direct kernel boot, load linux here */ 183 xen_load_linux(pcms); 184 } 185 186 gsi_state = g_malloc0(sizeof(*gsi_state)); 187 if (kvm_ioapic_in_kernel()) { 188 kvm_pc_setup_irq_routing(pcmc->pci_enabled); 189 pcms->gsi = qemu_allocate_irqs(kvm_pc_gsi_handler, gsi_state, 190 GSI_NUM_PINS); 191 } else { 192 pcms->gsi = qemu_allocate_irqs(gsi_handler, gsi_state, GSI_NUM_PINS); 193 } 194 195 if (pcmc->pci_enabled) { 196 pci_bus = i440fx_init(host_type, 197 pci_type, 198 &i440fx_state, &piix3_devfn, &isa_bus, pcms->gsi, 199 system_memory, system_io, machine->ram_size, 200 pcms->below_4g_mem_size, 201 pcms->above_4g_mem_size, 202 pci_memory, ram_memory); 203 pcms->bus = pci_bus; 204 } else { 205 pci_bus = NULL; 206 i440fx_state = NULL; 207 isa_bus = isa_bus_new(NULL, get_system_memory(), system_io, 208 &error_abort); 209 no_hpet = 1; 210 } 211 isa_bus_irqs(isa_bus, pcms->gsi); 212 213 if (kvm_pic_in_kernel()) { 214 i8259 = kvm_i8259_init(isa_bus); 215 } else if (xen_enabled()) { 216 i8259 = xen_interrupt_controller_init(); 217 } else { 218 i8259 = i8259_init(isa_bus, pc_allocate_cpu_irq()); 219 } 220 221 for (i = 0; i < ISA_NUM_IRQS; i++) { 222 gsi_state->i8259_irq[i] = i8259[i]; 223 } 224 g_free(i8259); 225 if (pcmc->pci_enabled) { 226 ioapic_init_gsi(gsi_state, "i440fx"); 227 } 228 229 pc_register_ferr_irq(pcms->gsi[13]); 230 231 pc_vga_init(isa_bus, pcmc->pci_enabled ? pci_bus : NULL); 232 233 assert(pcms->vmport != ON_OFF_AUTO__MAX); 234 if (pcms->vmport == ON_OFF_AUTO_AUTO) { 235 pcms->vmport = xen_enabled() ? ON_OFF_AUTO_OFF : ON_OFF_AUTO_ON; 236 } 237 238 /* init basic PC hardware */ 239 pc_basic_device_init(isa_bus, pcms->gsi, &rtc_state, true, 240 (pcms->vmport != ON_OFF_AUTO_ON), pcms->pit, 0x4); 241 242 pc_nic_init(isa_bus, pci_bus); 243 244 ide_drive_get(hd, ARRAY_SIZE(hd)); 245 if (pcmc->pci_enabled) { 246 PCIDevice *dev; 247 if (xen_enabled()) { 248 dev = pci_piix3_xen_ide_init(pci_bus, hd, piix3_devfn + 1); 249 } else { 250 dev = pci_piix3_ide_init(pci_bus, hd, piix3_devfn + 1); 251 } 252 idebus[0] = qdev_get_child_bus(&dev->qdev, "ide.0"); 253 idebus[1] = qdev_get_child_bus(&dev->qdev, "ide.1"); 254 } else { 255 for(i = 0; i < MAX_IDE_BUS; i++) { 256 ISADevice *dev; 257 char busname[] = "ide.0"; 258 dev = isa_ide_init(isa_bus, ide_iobase[i], ide_iobase2[i], 259 ide_irq[i], 260 hd[MAX_IDE_DEVS * i], hd[MAX_IDE_DEVS * i + 1]); 261 /* 262 * The ide bus name is ide.0 for the first bus and ide.1 for the 263 * second one. 264 */ 265 busname[4] = '0' + i; 266 idebus[i] = qdev_get_child_bus(DEVICE(dev), busname); 267 } 268 } 269 270 pc_cmos_init(pcms, idebus[0], idebus[1], rtc_state); 271 272 if (pcmc->pci_enabled && machine_usb(machine)) { 273 pci_create_simple(pci_bus, piix3_devfn + 2, "piix3-usb-uhci"); 274 } 275 276 if (pcmc->pci_enabled && acpi_enabled) { 277 DeviceState *piix4_pm; 278 I2CBus *smbus; 279 280 smi_irq = qemu_allocate_irq(pc_acpi_smi_interrupt, first_cpu, 0); 281 /* TODO: Populate SPD eeprom data. */ 282 smbus = piix4_pm_init(pci_bus, piix3_devfn + 3, 0xb100, 283 pcms->gsi[9], smi_irq, 284 pc_machine_is_smm_enabled(pcms), 285 &piix4_pm); 286 smbus_eeprom_init(smbus, 8, NULL, 0); 287 288 object_property_add_link(OBJECT(machine), PC_MACHINE_ACPI_DEVICE_PROP, 289 TYPE_HOTPLUG_HANDLER, 290 (Object **)&pcms->acpi_dev, 291 object_property_allow_set_link, 292 OBJ_PROP_LINK_UNREF_ON_RELEASE, &error_abort); 293 object_property_set_link(OBJECT(machine), OBJECT(piix4_pm), 294 PC_MACHINE_ACPI_DEVICE_PROP, &error_abort); 295 } 296 297 if (pcmc->pci_enabled) { 298 pc_pci_device_init(pci_bus); 299 } 300 301 if (pcms->acpi_nvdimm_state.is_enabled) { 302 nvdimm_init_acpi_state(&pcms->acpi_nvdimm_state, system_io, 303 pcms->fw_cfg, OBJECT(pcms)); 304 } 305 } 306 307 /* Looking for a pc_compat_2_4() function? It doesn't exist. 308 * pc_compat_*() functions that run on machine-init time and 309 * change global QEMU state are deprecated. Please don't create 310 * one, and implement any pc-*-2.4 (and newer) compat code in 311 * HW_COMPAT_*, PC_COMPAT_*, or * pc_*_machine_options(). 312 */ 313 314 static void pc_compat_2_3(MachineState *machine) 315 { 316 PCMachineState *pcms = PC_MACHINE(machine); 317 if (kvm_enabled()) { 318 pcms->smm = ON_OFF_AUTO_OFF; 319 } 320 } 321 322 static void pc_compat_2_2(MachineState *machine) 323 { 324 pc_compat_2_3(machine); 325 machine->suppress_vmdesc = true; 326 } 327 328 static void pc_compat_2_1(MachineState *machine) 329 { 330 pc_compat_2_2(machine); 331 x86_cpu_change_kvm_default("svm", NULL); 332 } 333 334 static void pc_compat_2_0(MachineState *machine) 335 { 336 pc_compat_2_1(machine); 337 } 338 339 static void pc_compat_1_7(MachineState *machine) 340 { 341 pc_compat_2_0(machine); 342 x86_cpu_change_kvm_default("x2apic", NULL); 343 } 344 345 static void pc_compat_1_6(MachineState *machine) 346 { 347 pc_compat_1_7(machine); 348 } 349 350 static void pc_compat_1_5(MachineState *machine) 351 { 352 pc_compat_1_6(machine); 353 } 354 355 static void pc_compat_1_4(MachineState *machine) 356 { 357 pc_compat_1_5(machine); 358 } 359 360 static void pc_compat_1_3(MachineState *machine) 361 { 362 pc_compat_1_4(machine); 363 enable_compat_apic_id_mode(); 364 } 365 366 /* PC compat function for pc-0.14 to pc-1.2 */ 367 static void pc_compat_1_2(MachineState *machine) 368 { 369 pc_compat_1_3(machine); 370 x86_cpu_change_kvm_default("kvm-pv-eoi", NULL); 371 } 372 373 /* PC compat function for pc-0.10 to pc-0.13 */ 374 static void pc_compat_0_13(MachineState *machine) 375 { 376 pc_compat_1_2(machine); 377 } 378 379 static void pc_init_isa(MachineState *machine) 380 { 381 x86_cpu_change_kvm_default("kvm-pv-eoi", NULL); 382 enable_compat_apic_id_mode(); 383 pc_init1(machine, TYPE_I440FX_PCI_HOST_BRIDGE, TYPE_I440FX_PCI_DEVICE); 384 } 385 386 #ifdef CONFIG_XEN 387 static void pc_xen_hvm_init_pci(MachineState *machine) 388 { 389 const char *pci_type = has_igd_gfx_passthru ? 390 TYPE_IGD_PASSTHROUGH_I440FX_PCI_DEVICE : TYPE_I440FX_PCI_DEVICE; 391 392 pc_init1(machine, 393 TYPE_I440FX_PCI_HOST_BRIDGE, 394 pci_type); 395 } 396 397 static void pc_xen_hvm_init(MachineState *machine) 398 { 399 PCIBus *bus; 400 401 if (!xen_enabled()) { 402 error_report("xenfv machine requires the xen accelerator"); 403 exit(1); 404 } 405 406 pc_xen_hvm_init_pci(machine); 407 408 bus = pci_find_primary_bus(); 409 if (bus != NULL) { 410 pci_create_simple(bus, -1, "xen-platform"); 411 } 412 } 413 #endif 414 415 #define DEFINE_I440FX_MACHINE(suffix, name, compatfn, optionfn) \ 416 static void pc_init_##suffix(MachineState *machine) \ 417 { \ 418 void (*compat)(MachineState *m) = (compatfn); \ 419 if (compat) { \ 420 compat(machine); \ 421 } \ 422 pc_init1(machine, TYPE_I440FX_PCI_HOST_BRIDGE, \ 423 TYPE_I440FX_PCI_DEVICE); \ 424 } \ 425 DEFINE_PC_MACHINE(suffix, name, pc_init_##suffix, optionfn) 426 427 static void pc_i440fx_machine_options(MachineClass *m) 428 { 429 m->family = "pc_piix"; 430 m->desc = "Standard PC (i440FX + PIIX, 1996)"; 431 m->hot_add_cpu = pc_hot_add_cpu; 432 m->default_machine_opts = "firmware=bios-256k.bin"; 433 m->default_display = "std"; 434 } 435 436 static void pc_i440fx_2_11_machine_options(MachineClass *m) 437 { 438 pc_i440fx_machine_options(m); 439 m->alias = "pc"; 440 m->is_default = 1; 441 } 442 443 DEFINE_I440FX_MACHINE(v2_11, "pc-i440fx-2.11", NULL, 444 pc_i440fx_2_11_machine_options); 445 446 static void pc_i440fx_2_10_machine_options(MachineClass *m) 447 { 448 pc_i440fx_2_11_machine_options(m); 449 m->is_default = 0; 450 m->alias = NULL; 451 SET_MACHINE_COMPAT(m, PC_COMPAT_2_10); 452 } 453 454 DEFINE_I440FX_MACHINE(v2_10, "pc-i440fx-2.10", NULL, 455 pc_i440fx_2_10_machine_options); 456 457 static void pc_i440fx_2_9_machine_options(MachineClass *m) 458 { 459 pc_i440fx_2_10_machine_options(m); 460 SET_MACHINE_COMPAT(m, PC_COMPAT_2_9); 461 m->numa_auto_assign_ram = numa_legacy_auto_assign_ram; 462 } 463 464 DEFINE_I440FX_MACHINE(v2_9, "pc-i440fx-2.9", NULL, 465 pc_i440fx_2_9_machine_options); 466 467 static void pc_i440fx_2_8_machine_options(MachineClass *m) 468 { 469 pc_i440fx_2_9_machine_options(m); 470 SET_MACHINE_COMPAT(m, PC_COMPAT_2_8); 471 } 472 473 DEFINE_I440FX_MACHINE(v2_8, "pc-i440fx-2.8", NULL, 474 pc_i440fx_2_8_machine_options); 475 476 477 static void pc_i440fx_2_7_machine_options(MachineClass *m) 478 { 479 pc_i440fx_2_8_machine_options(m); 480 SET_MACHINE_COMPAT(m, PC_COMPAT_2_7); 481 } 482 483 DEFINE_I440FX_MACHINE(v2_7, "pc-i440fx-2.7", NULL, 484 pc_i440fx_2_7_machine_options); 485 486 487 static void pc_i440fx_2_6_machine_options(MachineClass *m) 488 { 489 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 490 pc_i440fx_2_7_machine_options(m); 491 pcmc->legacy_cpu_hotplug = true; 492 pcmc->linuxboot_dma_enabled = false; 493 SET_MACHINE_COMPAT(m, PC_COMPAT_2_6); 494 } 495 496 DEFINE_I440FX_MACHINE(v2_6, "pc-i440fx-2.6", NULL, 497 pc_i440fx_2_6_machine_options); 498 499 500 static void pc_i440fx_2_5_machine_options(MachineClass *m) 501 { 502 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 503 pc_i440fx_2_6_machine_options(m); 504 pcmc->save_tsc_khz = false; 505 m->legacy_fw_cfg_order = 1; 506 SET_MACHINE_COMPAT(m, PC_COMPAT_2_5); 507 } 508 509 DEFINE_I440FX_MACHINE(v2_5, "pc-i440fx-2.5", NULL, 510 pc_i440fx_2_5_machine_options); 511 512 513 static void pc_i440fx_2_4_machine_options(MachineClass *m) 514 { 515 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 516 pc_i440fx_2_5_machine_options(m); 517 m->hw_version = "2.4.0"; 518 pcmc->broken_reserved_end = true; 519 SET_MACHINE_COMPAT(m, PC_COMPAT_2_4); 520 } 521 522 DEFINE_I440FX_MACHINE(v2_4, "pc-i440fx-2.4", NULL, 523 pc_i440fx_2_4_machine_options) 524 525 526 static void pc_i440fx_2_3_machine_options(MachineClass *m) 527 { 528 pc_i440fx_2_4_machine_options(m); 529 m->hw_version = "2.3.0"; 530 SET_MACHINE_COMPAT(m, PC_COMPAT_2_3); 531 } 532 533 DEFINE_I440FX_MACHINE(v2_3, "pc-i440fx-2.3", pc_compat_2_3, 534 pc_i440fx_2_3_machine_options); 535 536 537 static void pc_i440fx_2_2_machine_options(MachineClass *m) 538 { 539 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 540 pc_i440fx_2_3_machine_options(m); 541 m->hw_version = "2.2.0"; 542 SET_MACHINE_COMPAT(m, PC_COMPAT_2_2); 543 pcmc->rsdp_in_ram = false; 544 } 545 546 DEFINE_I440FX_MACHINE(v2_2, "pc-i440fx-2.2", pc_compat_2_2, 547 pc_i440fx_2_2_machine_options); 548 549 550 static void pc_i440fx_2_1_machine_options(MachineClass *m) 551 { 552 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 553 pc_i440fx_2_2_machine_options(m); 554 m->hw_version = "2.1.0"; 555 m->default_display = NULL; 556 SET_MACHINE_COMPAT(m, PC_COMPAT_2_1); 557 pcmc->smbios_uuid_encoded = false; 558 pcmc->enforce_aligned_dimm = false; 559 } 560 561 DEFINE_I440FX_MACHINE(v2_1, "pc-i440fx-2.1", pc_compat_2_1, 562 pc_i440fx_2_1_machine_options); 563 564 565 566 static void pc_i440fx_2_0_machine_options(MachineClass *m) 567 { 568 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 569 pc_i440fx_2_1_machine_options(m); 570 m->hw_version = "2.0.0"; 571 SET_MACHINE_COMPAT(m, PC_COMPAT_2_0); 572 pcmc->smbios_legacy_mode = true; 573 pcmc->has_reserved_memory = false; 574 /* This value depends on the actual DSDT and SSDT compiled into 575 * the source QEMU; unfortunately it depends on the binary and 576 * not on the machine type, so we cannot make pc-i440fx-1.7 work on 577 * both QEMU 1.7 and QEMU 2.0. 578 * 579 * Large variations cause migration to fail for more than one 580 * consecutive value of the "-smp" maxcpus option. 581 * 582 * For small variations of the kind caused by different iasl versions, 583 * the 4k rounding usually leaves slack. However, there could be still 584 * one or two values that break. For QEMU 1.7 and QEMU 2.0 the 585 * slack is only ~10 bytes before one "-smp maxcpus" value breaks! 586 * 587 * 6652 is valid for QEMU 2.0, the right value for pc-i440fx-1.7 on 588 * QEMU 1.7 it is 6414. For RHEL/CentOS 7.0 it is 6418. 589 */ 590 pcmc->legacy_acpi_table_size = 6652; 591 pcmc->acpi_data_size = 0x10000; 592 } 593 594 DEFINE_I440FX_MACHINE(v2_0, "pc-i440fx-2.0", pc_compat_2_0, 595 pc_i440fx_2_0_machine_options); 596 597 598 static void pc_i440fx_1_7_machine_options(MachineClass *m) 599 { 600 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 601 pc_i440fx_2_0_machine_options(m); 602 m->hw_version = "1.7.0"; 603 m->default_machine_opts = NULL; 604 m->option_rom_has_mr = true; 605 SET_MACHINE_COMPAT(m, PC_COMPAT_1_7); 606 pcmc->smbios_defaults = false; 607 pcmc->gigabyte_align = false; 608 pcmc->legacy_acpi_table_size = 6414; 609 } 610 611 DEFINE_I440FX_MACHINE(v1_7, "pc-i440fx-1.7", pc_compat_1_7, 612 pc_i440fx_1_7_machine_options); 613 614 615 static void pc_i440fx_1_6_machine_options(MachineClass *m) 616 { 617 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 618 pc_i440fx_1_7_machine_options(m); 619 m->hw_version = "1.6.0"; 620 m->rom_file_has_mr = false; 621 SET_MACHINE_COMPAT(m, PC_COMPAT_1_6); 622 pcmc->has_acpi_build = false; 623 } 624 625 DEFINE_I440FX_MACHINE(v1_6, "pc-i440fx-1.6", pc_compat_1_6, 626 pc_i440fx_1_6_machine_options); 627 628 629 static void pc_i440fx_1_5_machine_options(MachineClass *m) 630 { 631 pc_i440fx_1_6_machine_options(m); 632 m->hw_version = "1.5.0"; 633 SET_MACHINE_COMPAT(m, PC_COMPAT_1_5); 634 } 635 636 DEFINE_I440FX_MACHINE(v1_5, "pc-i440fx-1.5", pc_compat_1_5, 637 pc_i440fx_1_5_machine_options); 638 639 640 static void pc_i440fx_1_4_machine_options(MachineClass *m) 641 { 642 pc_i440fx_1_5_machine_options(m); 643 m->hw_version = "1.4.0"; 644 m->hot_add_cpu = NULL; 645 SET_MACHINE_COMPAT(m, PC_COMPAT_1_4); 646 } 647 648 DEFINE_I440FX_MACHINE(v1_4, "pc-i440fx-1.4", pc_compat_1_4, 649 pc_i440fx_1_4_machine_options); 650 651 652 #define PC_COMPAT_1_3 \ 653 PC_CPU_MODEL_IDS("1.3.0") \ 654 {\ 655 .driver = "usb-tablet",\ 656 .property = "usb_version",\ 657 .value = stringify(1),\ 658 },{\ 659 .driver = "virtio-net-pci",\ 660 .property = "ctrl_mac_addr",\ 661 .value = "off", \ 662 },{ \ 663 .driver = "virtio-net-pci", \ 664 .property = "mq", \ 665 .value = "off", \ 666 }, {\ 667 .driver = "e1000",\ 668 .property = "autonegotiation",\ 669 .value = "off",\ 670 }, 671 672 673 static void pc_i440fx_1_3_machine_options(MachineClass *m) 674 { 675 pc_i440fx_1_4_machine_options(m); 676 m->hw_version = "1.3.0"; 677 SET_MACHINE_COMPAT(m, PC_COMPAT_1_3); 678 } 679 680 DEFINE_I440FX_MACHINE(v1_3, "pc-1.3", pc_compat_1_3, 681 pc_i440fx_1_3_machine_options); 682 683 684 #define PC_COMPAT_1_2 \ 685 PC_CPU_MODEL_IDS("1.2.0") \ 686 {\ 687 .driver = "nec-usb-xhci",\ 688 .property = "msi",\ 689 .value = "off",\ 690 },{\ 691 .driver = "nec-usb-xhci",\ 692 .property = "msix",\ 693 .value = "off",\ 694 },{\ 695 .driver = "ivshmem",\ 696 .property = "use64",\ 697 .value = "0",\ 698 },{\ 699 .driver = "qxl",\ 700 .property = "revision",\ 701 .value = stringify(3),\ 702 },{\ 703 .driver = "qxl-vga",\ 704 .property = "revision",\ 705 .value = stringify(3),\ 706 },{\ 707 .driver = "VGA",\ 708 .property = "mmio",\ 709 .value = "off",\ 710 }, 711 712 static void pc_i440fx_1_2_machine_options(MachineClass *m) 713 { 714 pc_i440fx_1_3_machine_options(m); 715 m->hw_version = "1.2.0"; 716 SET_MACHINE_COMPAT(m, PC_COMPAT_1_2); 717 } 718 719 DEFINE_I440FX_MACHINE(v1_2, "pc-1.2", pc_compat_1_2, 720 pc_i440fx_1_2_machine_options); 721 722 723 #define PC_COMPAT_1_1 \ 724 PC_CPU_MODEL_IDS("1.1.0") \ 725 {\ 726 .driver = "virtio-scsi-pci",\ 727 .property = "hotplug",\ 728 .value = "off",\ 729 },{\ 730 .driver = "virtio-scsi-pci",\ 731 .property = "param_change",\ 732 .value = "off",\ 733 },{\ 734 .driver = "VGA",\ 735 .property = "vgamem_mb",\ 736 .value = stringify(8),\ 737 },{\ 738 .driver = "vmware-svga",\ 739 .property = "vgamem_mb",\ 740 .value = stringify(8),\ 741 },{\ 742 .driver = "qxl-vga",\ 743 .property = "vgamem_mb",\ 744 .value = stringify(8),\ 745 },{\ 746 .driver = "qxl",\ 747 .property = "vgamem_mb",\ 748 .value = stringify(8),\ 749 },{\ 750 .driver = "virtio-blk-pci",\ 751 .property = "config-wce",\ 752 .value = "off",\ 753 }, 754 755 static void pc_i440fx_1_1_machine_options(MachineClass *m) 756 { 757 pc_i440fx_1_2_machine_options(m); 758 m->hw_version = "1.1.0"; 759 SET_MACHINE_COMPAT(m, PC_COMPAT_1_1); 760 } 761 762 DEFINE_I440FX_MACHINE(v1_1, "pc-1.1", pc_compat_1_2, 763 pc_i440fx_1_1_machine_options); 764 765 766 #define PC_COMPAT_1_0 \ 767 PC_CPU_MODEL_IDS("1.0") \ 768 {\ 769 .driver = TYPE_ISA_FDC,\ 770 .property = "check_media_rate",\ 771 .value = "off",\ 772 }, {\ 773 .driver = "virtio-balloon-pci",\ 774 .property = "class",\ 775 .value = stringify(PCI_CLASS_MEMORY_RAM),\ 776 },{\ 777 .driver = "apic-common",\ 778 .property = "vapic",\ 779 .value = "off",\ 780 },{\ 781 .driver = TYPE_USB_DEVICE,\ 782 .property = "full-path",\ 783 .value = "no",\ 784 }, 785 786 static void pc_i440fx_1_0_machine_options(MachineClass *m) 787 { 788 pc_i440fx_1_1_machine_options(m); 789 m->hw_version = "1.0"; 790 SET_MACHINE_COMPAT(m, PC_COMPAT_1_0); 791 } 792 793 DEFINE_I440FX_MACHINE(v1_0, "pc-1.0", pc_compat_1_2, 794 pc_i440fx_1_0_machine_options); 795 796 797 #define PC_COMPAT_0_15 \ 798 PC_CPU_MODEL_IDS("0.15") 799 800 static void pc_i440fx_0_15_machine_options(MachineClass *m) 801 { 802 pc_i440fx_1_0_machine_options(m); 803 m->hw_version = "0.15"; 804 SET_MACHINE_COMPAT(m, PC_COMPAT_0_15); 805 } 806 807 DEFINE_I440FX_MACHINE(v0_15, "pc-0.15", pc_compat_1_2, 808 pc_i440fx_0_15_machine_options); 809 810 811 #define PC_COMPAT_0_14 \ 812 PC_CPU_MODEL_IDS("0.14") \ 813 {\ 814 .driver = "virtio-blk-pci",\ 815 .property = "event_idx",\ 816 .value = "off",\ 817 },{\ 818 .driver = "virtio-serial-pci",\ 819 .property = "event_idx",\ 820 .value = "off",\ 821 },{\ 822 .driver = "virtio-net-pci",\ 823 .property = "event_idx",\ 824 .value = "off",\ 825 },{\ 826 .driver = "virtio-balloon-pci",\ 827 .property = "event_idx",\ 828 .value = "off",\ 829 },{\ 830 .driver = "qxl",\ 831 .property = "revision",\ 832 .value = stringify(2),\ 833 },{\ 834 .driver = "qxl-vga",\ 835 .property = "revision",\ 836 .value = stringify(2),\ 837 }, 838 839 static void pc_i440fx_0_14_machine_options(MachineClass *m) 840 { 841 pc_i440fx_0_15_machine_options(m); 842 m->hw_version = "0.14"; 843 SET_MACHINE_COMPAT(m, PC_COMPAT_0_14); 844 } 845 846 DEFINE_I440FX_MACHINE(v0_14, "pc-0.14", pc_compat_1_2, 847 pc_i440fx_0_14_machine_options); 848 849 850 #define PC_COMPAT_0_13 \ 851 PC_CPU_MODEL_IDS("0.13") \ 852 {\ 853 .driver = TYPE_PCI_DEVICE,\ 854 .property = "command_serr_enable",\ 855 .value = "off",\ 856 },{\ 857 .driver = "AC97",\ 858 .property = "use_broken_id",\ 859 .value = stringify(1),\ 860 },{\ 861 .driver = "virtio-9p-pci",\ 862 .property = "vectors",\ 863 .value = stringify(0),\ 864 },{\ 865 .driver = "VGA",\ 866 .property = "rombar",\ 867 .value = stringify(0),\ 868 },{\ 869 .driver = "vmware-svga",\ 870 .property = "rombar",\ 871 .value = stringify(0),\ 872 }, 873 874 static void pc_i440fx_0_13_machine_options(MachineClass *m) 875 { 876 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 877 pc_i440fx_0_14_machine_options(m); 878 m->hw_version = "0.13"; 879 SET_MACHINE_COMPAT(m, PC_COMPAT_0_13); 880 pcmc->kvmclock_enabled = false; 881 } 882 883 DEFINE_I440FX_MACHINE(v0_13, "pc-0.13", pc_compat_0_13, 884 pc_i440fx_0_13_machine_options); 885 886 887 #define PC_COMPAT_0_12 \ 888 PC_CPU_MODEL_IDS("0.12") \ 889 {\ 890 .driver = "virtio-serial-pci",\ 891 .property = "max_ports",\ 892 .value = stringify(1),\ 893 },{\ 894 .driver = "virtio-serial-pci",\ 895 .property = "vectors",\ 896 .value = stringify(0),\ 897 },{\ 898 .driver = "usb-mouse",\ 899 .property = "serial",\ 900 .value = "1",\ 901 },{\ 902 .driver = "usb-tablet",\ 903 .property = "serial",\ 904 .value = "1",\ 905 },{\ 906 .driver = "usb-kbd",\ 907 .property = "serial",\ 908 .value = "1",\ 909 }, 910 911 static void pc_i440fx_0_12_machine_options(MachineClass *m) 912 { 913 pc_i440fx_0_13_machine_options(m); 914 m->hw_version = "0.12"; 915 SET_MACHINE_COMPAT(m, PC_COMPAT_0_12); 916 } 917 918 DEFINE_I440FX_MACHINE(v0_12, "pc-0.12", pc_compat_0_13, 919 pc_i440fx_0_12_machine_options); 920 921 922 #define PC_COMPAT_0_11 \ 923 PC_CPU_MODEL_IDS("0.11") \ 924 {\ 925 .driver = "virtio-blk-pci",\ 926 .property = "vectors",\ 927 .value = stringify(0),\ 928 },{\ 929 .driver = TYPE_PCI_DEVICE,\ 930 .property = "rombar",\ 931 .value = stringify(0),\ 932 },{\ 933 .driver = "ide-drive",\ 934 .property = "ver",\ 935 .value = "0.11",\ 936 },{\ 937 .driver = "scsi-disk",\ 938 .property = "ver",\ 939 .value = "0.11",\ 940 }, 941 942 static void pc_i440fx_0_11_machine_options(MachineClass *m) 943 { 944 pc_i440fx_0_12_machine_options(m); 945 m->hw_version = "0.11"; 946 SET_MACHINE_COMPAT(m, PC_COMPAT_0_11); 947 } 948 949 DEFINE_I440FX_MACHINE(v0_11, "pc-0.11", pc_compat_0_13, 950 pc_i440fx_0_11_machine_options); 951 952 953 #define PC_COMPAT_0_10 \ 954 PC_CPU_MODEL_IDS("0.10") \ 955 {\ 956 .driver = "virtio-blk-pci",\ 957 .property = "class",\ 958 .value = stringify(PCI_CLASS_STORAGE_OTHER),\ 959 },{\ 960 .driver = "virtio-serial-pci",\ 961 .property = "class",\ 962 .value = stringify(PCI_CLASS_DISPLAY_OTHER),\ 963 },{\ 964 .driver = "virtio-net-pci",\ 965 .property = "vectors",\ 966 .value = stringify(0),\ 967 },{\ 968 .driver = "ide-drive",\ 969 .property = "ver",\ 970 .value = "0.10",\ 971 },{\ 972 .driver = "scsi-disk",\ 973 .property = "ver",\ 974 .value = "0.10",\ 975 }, 976 977 static void pc_i440fx_0_10_machine_options(MachineClass *m) 978 { 979 pc_i440fx_0_11_machine_options(m); 980 m->hw_version = "0.10"; 981 SET_MACHINE_COMPAT(m, PC_COMPAT_0_10); 982 } 983 984 DEFINE_I440FX_MACHINE(v0_10, "pc-0.10", pc_compat_0_13, 985 pc_i440fx_0_10_machine_options); 986 987 typedef struct { 988 uint16_t gpu_device_id; 989 uint16_t pch_device_id; 990 uint8_t pch_revision_id; 991 } IGDDeviceIDInfo; 992 993 /* In real world different GPU should have different PCH. But actually 994 * the different PCH DIDs likely map to different PCH SKUs. We do the 995 * same thing for the GPU. For PCH, the different SKUs are going to be 996 * all the same silicon design and implementation, just different 997 * features turn on and off with fuses. The SW interfaces should be 998 * consistent across all SKUs in a given family (eg LPT). But just same 999 * features may not be supported. 1000 * 1001 * Most of these different PCH features probably don't matter to the 1002 * Gfx driver, but obviously any difference in display port connections 1003 * will so it should be fine with any PCH in case of passthrough. 1004 * 1005 * So currently use one PCH version, 0x8c4e, to cover all HSW(Haswell) 1006 * scenarios, 0x9cc3 for BDW(Broadwell). 1007 */ 1008 static const IGDDeviceIDInfo igd_combo_id_infos[] = { 1009 /* HSW Classic */ 1010 {0x0402, 0x8c4e, 0x04}, /* HSWGT1D, HSWD_w7 */ 1011 {0x0406, 0x8c4e, 0x04}, /* HSWGT1M, HSWM_w7 */ 1012 {0x0412, 0x8c4e, 0x04}, /* HSWGT2D, HSWD_w7 */ 1013 {0x0416, 0x8c4e, 0x04}, /* HSWGT2M, HSWM_w7 */ 1014 {0x041E, 0x8c4e, 0x04}, /* HSWGT15D, HSWD_w7 */ 1015 /* HSW ULT */ 1016 {0x0A06, 0x8c4e, 0x04}, /* HSWGT1UT, HSWM_w7 */ 1017 {0x0A16, 0x8c4e, 0x04}, /* HSWGT2UT, HSWM_w7 */ 1018 {0x0A26, 0x8c4e, 0x06}, /* HSWGT3UT, HSWM_w7 */ 1019 {0x0A2E, 0x8c4e, 0x04}, /* HSWGT3UT28W, HSWM_w7 */ 1020 {0x0A1E, 0x8c4e, 0x04}, /* HSWGT2UX, HSWM_w7 */ 1021 {0x0A0E, 0x8c4e, 0x04}, /* HSWGT1ULX, HSWM_w7 */ 1022 /* HSW CRW */ 1023 {0x0D26, 0x8c4e, 0x04}, /* HSWGT3CW, HSWM_w7 */ 1024 {0x0D22, 0x8c4e, 0x04}, /* HSWGT3CWDT, HSWD_w7 */ 1025 /* HSW Server */ 1026 {0x041A, 0x8c4e, 0x04}, /* HSWSVGT2, HSWD_w7 */ 1027 /* HSW SRVR */ 1028 {0x040A, 0x8c4e, 0x04}, /* HSWSVGT1, HSWD_w7 */ 1029 /* BSW */ 1030 {0x1606, 0x9cc3, 0x03}, /* BDWULTGT1, BDWM_w7 */ 1031 {0x1616, 0x9cc3, 0x03}, /* BDWULTGT2, BDWM_w7 */ 1032 {0x1626, 0x9cc3, 0x03}, /* BDWULTGT3, BDWM_w7 */ 1033 {0x160E, 0x9cc3, 0x03}, /* BDWULXGT1, BDWM_w7 */ 1034 {0x161E, 0x9cc3, 0x03}, /* BDWULXGT2, BDWM_w7 */ 1035 {0x1602, 0x9cc3, 0x03}, /* BDWHALOGT1, BDWM_w7 */ 1036 {0x1612, 0x9cc3, 0x03}, /* BDWHALOGT2, BDWM_w7 */ 1037 {0x1622, 0x9cc3, 0x03}, /* BDWHALOGT3, BDWM_w7 */ 1038 {0x162B, 0x9cc3, 0x03}, /* BDWHALO28W, BDWM_w7 */ 1039 {0x162A, 0x9cc3, 0x03}, /* BDWGT3WRKS, BDWM_w7 */ 1040 {0x162D, 0x9cc3, 0x03}, /* BDWGT3SRVR, BDWM_w7 */ 1041 }; 1042 1043 static void isa_bridge_class_init(ObjectClass *klass, void *data) 1044 { 1045 DeviceClass *dc = DEVICE_CLASS(klass); 1046 PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); 1047 1048 dc->desc = "ISA bridge faked to support IGD PT"; 1049 k->vendor_id = PCI_VENDOR_ID_INTEL; 1050 k->class_id = PCI_CLASS_BRIDGE_ISA; 1051 }; 1052 1053 static TypeInfo isa_bridge_info = { 1054 .name = "igd-passthrough-isa-bridge", 1055 .parent = TYPE_PCI_DEVICE, 1056 .instance_size = sizeof(PCIDevice), 1057 .class_init = isa_bridge_class_init, 1058 }; 1059 1060 static void pt_graphics_register_types(void) 1061 { 1062 type_register_static(&isa_bridge_info); 1063 } 1064 type_init(pt_graphics_register_types) 1065 1066 void igd_passthrough_isa_bridge_create(PCIBus *bus, uint16_t gpu_dev_id) 1067 { 1068 struct PCIDevice *bridge_dev; 1069 int i, num; 1070 uint16_t pch_dev_id = 0xffff; 1071 uint8_t pch_rev_id; 1072 1073 num = ARRAY_SIZE(igd_combo_id_infos); 1074 for (i = 0; i < num; i++) { 1075 if (gpu_dev_id == igd_combo_id_infos[i].gpu_device_id) { 1076 pch_dev_id = igd_combo_id_infos[i].pch_device_id; 1077 pch_rev_id = igd_combo_id_infos[i].pch_revision_id; 1078 } 1079 } 1080 1081 if (pch_dev_id == 0xffff) { 1082 return; 1083 } 1084 1085 /* Currently IGD drivers always need to access PCH by 1f.0. */ 1086 bridge_dev = pci_create_simple(bus, PCI_DEVFN(0x1f, 0), 1087 "igd-passthrough-isa-bridge"); 1088 1089 /* 1090 * Note that vendor id is always PCI_VENDOR_ID_INTEL. 1091 */ 1092 if (!bridge_dev) { 1093 fprintf(stderr, "set igd-passthrough-isa-bridge failed!\n"); 1094 return; 1095 } 1096 pci_config_set_device_id(bridge_dev->config, pch_dev_id); 1097 pci_config_set_revision(bridge_dev->config, pch_rev_id); 1098 } 1099 1100 static void isapc_machine_options(MachineClass *m) 1101 { 1102 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 1103 m->desc = "ISA-only PC"; 1104 m->max_cpus = 1; 1105 m->option_rom_has_mr = true; 1106 m->rom_file_has_mr = false; 1107 pcmc->pci_enabled = false; 1108 pcmc->has_acpi_build = false; 1109 pcmc->smbios_defaults = false; 1110 pcmc->gigabyte_align = false; 1111 pcmc->smbios_legacy_mode = true; 1112 pcmc->has_reserved_memory = false; 1113 m->default_cpu_type = X86_CPU_TYPE_NAME("486"); 1114 } 1115 1116 DEFINE_PC_MACHINE(isapc, "isapc", pc_init_isa, 1117 isapc_machine_options); 1118 1119 1120 #ifdef CONFIG_XEN 1121 static void xenfv_machine_options(MachineClass *m) 1122 { 1123 m->desc = "Xen Fully-virtualized PC"; 1124 m->max_cpus = HVM_MAX_VCPUS; 1125 m->default_machine_opts = "accel=xen"; 1126 m->hot_add_cpu = pc_hot_add_cpu; 1127 } 1128 1129 DEFINE_PC_MACHINE(xenfv, "xenfv", pc_xen_hvm_init, 1130 xenfv_machine_options); 1131 #endif 1132