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 error_report("Warning: 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 savevm_skip_section_footers(); 318 if (kvm_enabled()) { 319 pcms->smm = ON_OFF_AUTO_OFF; 320 } 321 global_state_set_optional(); 322 savevm_skip_configuration(); 323 } 324 325 static void pc_compat_2_2(MachineState *machine) 326 { 327 pc_compat_2_3(machine); 328 machine->suppress_vmdesc = true; 329 } 330 331 static void pc_compat_2_1(MachineState *machine) 332 { 333 pc_compat_2_2(machine); 334 x86_cpu_change_kvm_default("svm", NULL); 335 } 336 337 static void pc_compat_2_0(MachineState *machine) 338 { 339 pc_compat_2_1(machine); 340 } 341 342 static void pc_compat_1_7(MachineState *machine) 343 { 344 pc_compat_2_0(machine); 345 x86_cpu_change_kvm_default("x2apic", NULL); 346 } 347 348 static void pc_compat_1_6(MachineState *machine) 349 { 350 pc_compat_1_7(machine); 351 } 352 353 static void pc_compat_1_5(MachineState *machine) 354 { 355 pc_compat_1_6(machine); 356 } 357 358 static void pc_compat_1_4(MachineState *machine) 359 { 360 pc_compat_1_5(machine); 361 } 362 363 static void pc_compat_1_3(MachineState *machine) 364 { 365 pc_compat_1_4(machine); 366 enable_compat_apic_id_mode(); 367 } 368 369 /* PC compat function for pc-0.14 to pc-1.2 */ 370 static void pc_compat_1_2(MachineState *machine) 371 { 372 pc_compat_1_3(machine); 373 x86_cpu_change_kvm_default("kvm-pv-eoi", NULL); 374 } 375 376 /* PC compat function for pc-0.10 to pc-0.13 */ 377 static void pc_compat_0_13(MachineState *machine) 378 { 379 pc_compat_1_2(machine); 380 } 381 382 static void pc_init_isa(MachineState *machine) 383 { 384 if (!machine->cpu_model) { 385 machine->cpu_model = "486"; 386 } 387 x86_cpu_change_kvm_default("kvm-pv-eoi", NULL); 388 enable_compat_apic_id_mode(); 389 pc_init1(machine, TYPE_I440FX_PCI_HOST_BRIDGE, TYPE_I440FX_PCI_DEVICE); 390 } 391 392 #ifdef CONFIG_XEN 393 static void pc_xen_hvm_init_pci(MachineState *machine) 394 { 395 const char *pci_type = has_igd_gfx_passthru ? 396 TYPE_IGD_PASSTHROUGH_I440FX_PCI_DEVICE : TYPE_I440FX_PCI_DEVICE; 397 398 pc_init1(machine, 399 TYPE_I440FX_PCI_HOST_BRIDGE, 400 pci_type); 401 } 402 403 static void pc_xen_hvm_init(MachineState *machine) 404 { 405 PCIBus *bus; 406 407 if (!xen_enabled()) { 408 error_report("xenfv machine requires the xen accelerator"); 409 exit(1); 410 } 411 412 pc_xen_hvm_init_pci(machine); 413 414 bus = pci_find_primary_bus(); 415 if (bus != NULL) { 416 pci_create_simple(bus, -1, "xen-platform"); 417 } 418 } 419 #endif 420 421 #define DEFINE_I440FX_MACHINE(suffix, name, compatfn, optionfn) \ 422 static void pc_init_##suffix(MachineState *machine) \ 423 { \ 424 void (*compat)(MachineState *m) = (compatfn); \ 425 if (compat) { \ 426 compat(machine); \ 427 } \ 428 pc_init1(machine, TYPE_I440FX_PCI_HOST_BRIDGE, \ 429 TYPE_I440FX_PCI_DEVICE); \ 430 } \ 431 DEFINE_PC_MACHINE(suffix, name, pc_init_##suffix, optionfn) 432 433 static void pc_i440fx_machine_options(MachineClass *m) 434 { 435 m->family = "pc_piix"; 436 m->desc = "Standard PC (i440FX + PIIX, 1996)"; 437 m->hot_add_cpu = pc_hot_add_cpu; 438 m->default_machine_opts = "firmware=bios-256k.bin"; 439 m->default_display = "std"; 440 } 441 442 static void pc_i440fx_2_10_machine_options(MachineClass *m) 443 { 444 pc_i440fx_machine_options(m); 445 m->alias = "pc"; 446 m->is_default = 1; 447 m->numa_auto_assign_ram = numa_legacy_auto_assign_ram; 448 } 449 450 DEFINE_I440FX_MACHINE(v2_10, "pc-i440fx-2.10", NULL, 451 pc_i440fx_2_10_machine_options); 452 453 static void pc_i440fx_2_9_machine_options(MachineClass *m) 454 { 455 pc_i440fx_2_10_machine_options(m); 456 m->is_default = 0; 457 m->alias = NULL; 458 SET_MACHINE_COMPAT(m, PC_COMPAT_2_9); 459 } 460 461 DEFINE_I440FX_MACHINE(v2_9, "pc-i440fx-2.9", NULL, 462 pc_i440fx_2_9_machine_options); 463 464 static void pc_i440fx_2_8_machine_options(MachineClass *m) 465 { 466 pc_i440fx_2_9_machine_options(m); 467 SET_MACHINE_COMPAT(m, PC_COMPAT_2_8); 468 } 469 470 DEFINE_I440FX_MACHINE(v2_8, "pc-i440fx-2.8", NULL, 471 pc_i440fx_2_8_machine_options); 472 473 474 static void pc_i440fx_2_7_machine_options(MachineClass *m) 475 { 476 pc_i440fx_2_8_machine_options(m); 477 SET_MACHINE_COMPAT(m, PC_COMPAT_2_7); 478 } 479 480 DEFINE_I440FX_MACHINE(v2_7, "pc-i440fx-2.7", NULL, 481 pc_i440fx_2_7_machine_options); 482 483 484 static void pc_i440fx_2_6_machine_options(MachineClass *m) 485 { 486 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 487 pc_i440fx_2_7_machine_options(m); 488 pcmc->legacy_cpu_hotplug = true; 489 pcmc->linuxboot_dma_enabled = false; 490 SET_MACHINE_COMPAT(m, PC_COMPAT_2_6); 491 } 492 493 DEFINE_I440FX_MACHINE(v2_6, "pc-i440fx-2.6", NULL, 494 pc_i440fx_2_6_machine_options); 495 496 497 static void pc_i440fx_2_5_machine_options(MachineClass *m) 498 { 499 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 500 pc_i440fx_2_6_machine_options(m); 501 pcmc->save_tsc_khz = false; 502 m->legacy_fw_cfg_order = 1; 503 SET_MACHINE_COMPAT(m, PC_COMPAT_2_5); 504 } 505 506 DEFINE_I440FX_MACHINE(v2_5, "pc-i440fx-2.5", NULL, 507 pc_i440fx_2_5_machine_options); 508 509 510 static void pc_i440fx_2_4_machine_options(MachineClass *m) 511 { 512 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 513 pc_i440fx_2_5_machine_options(m); 514 m->hw_version = "2.4.0"; 515 pcmc->broken_reserved_end = true; 516 SET_MACHINE_COMPAT(m, PC_COMPAT_2_4); 517 } 518 519 DEFINE_I440FX_MACHINE(v2_4, "pc-i440fx-2.4", NULL, 520 pc_i440fx_2_4_machine_options) 521 522 523 static void pc_i440fx_2_3_machine_options(MachineClass *m) 524 { 525 pc_i440fx_2_4_machine_options(m); 526 m->hw_version = "2.3.0"; 527 SET_MACHINE_COMPAT(m, PC_COMPAT_2_3); 528 } 529 530 DEFINE_I440FX_MACHINE(v2_3, "pc-i440fx-2.3", pc_compat_2_3, 531 pc_i440fx_2_3_machine_options); 532 533 534 static void pc_i440fx_2_2_machine_options(MachineClass *m) 535 { 536 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 537 pc_i440fx_2_3_machine_options(m); 538 m->hw_version = "2.2.0"; 539 SET_MACHINE_COMPAT(m, PC_COMPAT_2_2); 540 pcmc->rsdp_in_ram = false; 541 } 542 543 DEFINE_I440FX_MACHINE(v2_2, "pc-i440fx-2.2", pc_compat_2_2, 544 pc_i440fx_2_2_machine_options); 545 546 547 static void pc_i440fx_2_1_machine_options(MachineClass *m) 548 { 549 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 550 pc_i440fx_2_2_machine_options(m); 551 m->hw_version = "2.1.0"; 552 m->default_display = NULL; 553 SET_MACHINE_COMPAT(m, PC_COMPAT_2_1); 554 pcmc->smbios_uuid_encoded = false; 555 pcmc->enforce_aligned_dimm = false; 556 } 557 558 DEFINE_I440FX_MACHINE(v2_1, "pc-i440fx-2.1", pc_compat_2_1, 559 pc_i440fx_2_1_machine_options); 560 561 562 563 static void pc_i440fx_2_0_machine_options(MachineClass *m) 564 { 565 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 566 pc_i440fx_2_1_machine_options(m); 567 m->hw_version = "2.0.0"; 568 SET_MACHINE_COMPAT(m, PC_COMPAT_2_0); 569 pcmc->smbios_legacy_mode = true; 570 pcmc->has_reserved_memory = false; 571 /* This value depends on the actual DSDT and SSDT compiled into 572 * the source QEMU; unfortunately it depends on the binary and 573 * not on the machine type, so we cannot make pc-i440fx-1.7 work on 574 * both QEMU 1.7 and QEMU 2.0. 575 * 576 * Large variations cause migration to fail for more than one 577 * consecutive value of the "-smp" maxcpus option. 578 * 579 * For small variations of the kind caused by different iasl versions, 580 * the 4k rounding usually leaves slack. However, there could be still 581 * one or two values that break. For QEMU 1.7 and QEMU 2.0 the 582 * slack is only ~10 bytes before one "-smp maxcpus" value breaks! 583 * 584 * 6652 is valid for QEMU 2.0, the right value for pc-i440fx-1.7 on 585 * QEMU 1.7 it is 6414. For RHEL/CentOS 7.0 it is 6418. 586 */ 587 pcmc->legacy_acpi_table_size = 6652; 588 pcmc->acpi_data_size = 0x10000; 589 } 590 591 DEFINE_I440FX_MACHINE(v2_0, "pc-i440fx-2.0", pc_compat_2_0, 592 pc_i440fx_2_0_machine_options); 593 594 595 static void pc_i440fx_1_7_machine_options(MachineClass *m) 596 { 597 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 598 pc_i440fx_2_0_machine_options(m); 599 m->hw_version = "1.7.0"; 600 m->default_machine_opts = NULL; 601 m->option_rom_has_mr = true; 602 SET_MACHINE_COMPAT(m, PC_COMPAT_1_7); 603 pcmc->smbios_defaults = false; 604 pcmc->gigabyte_align = false; 605 pcmc->legacy_acpi_table_size = 6414; 606 } 607 608 DEFINE_I440FX_MACHINE(v1_7, "pc-i440fx-1.7", pc_compat_1_7, 609 pc_i440fx_1_7_machine_options); 610 611 612 static void pc_i440fx_1_6_machine_options(MachineClass *m) 613 { 614 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 615 pc_i440fx_1_7_machine_options(m); 616 m->hw_version = "1.6.0"; 617 m->rom_file_has_mr = false; 618 SET_MACHINE_COMPAT(m, PC_COMPAT_1_6); 619 pcmc->has_acpi_build = false; 620 } 621 622 DEFINE_I440FX_MACHINE(v1_6, "pc-i440fx-1.6", pc_compat_1_6, 623 pc_i440fx_1_6_machine_options); 624 625 626 static void pc_i440fx_1_5_machine_options(MachineClass *m) 627 { 628 pc_i440fx_1_6_machine_options(m); 629 m->hw_version = "1.5.0"; 630 SET_MACHINE_COMPAT(m, PC_COMPAT_1_5); 631 } 632 633 DEFINE_I440FX_MACHINE(v1_5, "pc-i440fx-1.5", pc_compat_1_5, 634 pc_i440fx_1_5_machine_options); 635 636 637 static void pc_i440fx_1_4_machine_options(MachineClass *m) 638 { 639 pc_i440fx_1_5_machine_options(m); 640 m->hw_version = "1.4.0"; 641 m->hot_add_cpu = NULL; 642 SET_MACHINE_COMPAT(m, PC_COMPAT_1_4); 643 } 644 645 DEFINE_I440FX_MACHINE(v1_4, "pc-i440fx-1.4", pc_compat_1_4, 646 pc_i440fx_1_4_machine_options); 647 648 649 #define PC_COMPAT_1_3 \ 650 PC_CPU_MODEL_IDS("1.3.0") \ 651 {\ 652 .driver = "usb-tablet",\ 653 .property = "usb_version",\ 654 .value = stringify(1),\ 655 },{\ 656 .driver = "virtio-net-pci",\ 657 .property = "ctrl_mac_addr",\ 658 .value = "off", \ 659 },{ \ 660 .driver = "virtio-net-pci", \ 661 .property = "mq", \ 662 .value = "off", \ 663 }, {\ 664 .driver = "e1000",\ 665 .property = "autonegotiation",\ 666 .value = "off",\ 667 }, 668 669 670 static void pc_i440fx_1_3_machine_options(MachineClass *m) 671 { 672 pc_i440fx_1_4_machine_options(m); 673 m->hw_version = "1.3.0"; 674 SET_MACHINE_COMPAT(m, PC_COMPAT_1_3); 675 } 676 677 DEFINE_I440FX_MACHINE(v1_3, "pc-1.3", pc_compat_1_3, 678 pc_i440fx_1_3_machine_options); 679 680 681 #define PC_COMPAT_1_2 \ 682 PC_CPU_MODEL_IDS("1.2.0") \ 683 {\ 684 .driver = "nec-usb-xhci",\ 685 .property = "msi",\ 686 .value = "off",\ 687 },{\ 688 .driver = "nec-usb-xhci",\ 689 .property = "msix",\ 690 .value = "off",\ 691 },{\ 692 .driver = "ivshmem",\ 693 .property = "use64",\ 694 .value = "0",\ 695 },{\ 696 .driver = "qxl",\ 697 .property = "revision",\ 698 .value = stringify(3),\ 699 },{\ 700 .driver = "qxl-vga",\ 701 .property = "revision",\ 702 .value = stringify(3),\ 703 },{\ 704 .driver = "VGA",\ 705 .property = "mmio",\ 706 .value = "off",\ 707 }, 708 709 static void pc_i440fx_1_2_machine_options(MachineClass *m) 710 { 711 pc_i440fx_1_3_machine_options(m); 712 m->hw_version = "1.2.0"; 713 SET_MACHINE_COMPAT(m, PC_COMPAT_1_2); 714 } 715 716 DEFINE_I440FX_MACHINE(v1_2, "pc-1.2", pc_compat_1_2, 717 pc_i440fx_1_2_machine_options); 718 719 720 #define PC_COMPAT_1_1 \ 721 PC_CPU_MODEL_IDS("1.1.0") \ 722 {\ 723 .driver = "virtio-scsi-pci",\ 724 .property = "hotplug",\ 725 .value = "off",\ 726 },{\ 727 .driver = "virtio-scsi-pci",\ 728 .property = "param_change",\ 729 .value = "off",\ 730 },{\ 731 .driver = "VGA",\ 732 .property = "vgamem_mb",\ 733 .value = stringify(8),\ 734 },{\ 735 .driver = "vmware-svga",\ 736 .property = "vgamem_mb",\ 737 .value = stringify(8),\ 738 },{\ 739 .driver = "qxl-vga",\ 740 .property = "vgamem_mb",\ 741 .value = stringify(8),\ 742 },{\ 743 .driver = "qxl",\ 744 .property = "vgamem_mb",\ 745 .value = stringify(8),\ 746 },{\ 747 .driver = "virtio-blk-pci",\ 748 .property = "config-wce",\ 749 .value = "off",\ 750 }, 751 752 static void pc_i440fx_1_1_machine_options(MachineClass *m) 753 { 754 pc_i440fx_1_2_machine_options(m); 755 m->hw_version = "1.1.0"; 756 SET_MACHINE_COMPAT(m, PC_COMPAT_1_1); 757 } 758 759 DEFINE_I440FX_MACHINE(v1_1, "pc-1.1", pc_compat_1_2, 760 pc_i440fx_1_1_machine_options); 761 762 763 #define PC_COMPAT_1_0 \ 764 PC_CPU_MODEL_IDS("1.0") \ 765 {\ 766 .driver = TYPE_ISA_FDC,\ 767 .property = "check_media_rate",\ 768 .value = "off",\ 769 }, {\ 770 .driver = "virtio-balloon-pci",\ 771 .property = "class",\ 772 .value = stringify(PCI_CLASS_MEMORY_RAM),\ 773 },{\ 774 .driver = "apic-common",\ 775 .property = "vapic",\ 776 .value = "off",\ 777 },{\ 778 .driver = TYPE_USB_DEVICE,\ 779 .property = "full-path",\ 780 .value = "no",\ 781 }, 782 783 static void pc_i440fx_1_0_machine_options(MachineClass *m) 784 { 785 pc_i440fx_1_1_machine_options(m); 786 m->hw_version = "1.0"; 787 SET_MACHINE_COMPAT(m, PC_COMPAT_1_0); 788 } 789 790 DEFINE_I440FX_MACHINE(v1_0, "pc-1.0", pc_compat_1_2, 791 pc_i440fx_1_0_machine_options); 792 793 794 #define PC_COMPAT_0_15 \ 795 PC_CPU_MODEL_IDS("0.15") 796 797 static void pc_i440fx_0_15_machine_options(MachineClass *m) 798 { 799 pc_i440fx_1_0_machine_options(m); 800 m->hw_version = "0.15"; 801 SET_MACHINE_COMPAT(m, PC_COMPAT_0_15); 802 } 803 804 DEFINE_I440FX_MACHINE(v0_15, "pc-0.15", pc_compat_1_2, 805 pc_i440fx_0_15_machine_options); 806 807 808 #define PC_COMPAT_0_14 \ 809 PC_CPU_MODEL_IDS("0.14") \ 810 {\ 811 .driver = "virtio-blk-pci",\ 812 .property = "event_idx",\ 813 .value = "off",\ 814 },{\ 815 .driver = "virtio-serial-pci",\ 816 .property = "event_idx",\ 817 .value = "off",\ 818 },{\ 819 .driver = "virtio-net-pci",\ 820 .property = "event_idx",\ 821 .value = "off",\ 822 },{\ 823 .driver = "virtio-balloon-pci",\ 824 .property = "event_idx",\ 825 .value = "off",\ 826 },{\ 827 .driver = "qxl",\ 828 .property = "revision",\ 829 .value = stringify(2),\ 830 },{\ 831 .driver = "qxl-vga",\ 832 .property = "revision",\ 833 .value = stringify(2),\ 834 }, 835 836 static void pc_i440fx_0_14_machine_options(MachineClass *m) 837 { 838 pc_i440fx_0_15_machine_options(m); 839 m->hw_version = "0.14"; 840 SET_MACHINE_COMPAT(m, PC_COMPAT_0_14); 841 } 842 843 DEFINE_I440FX_MACHINE(v0_14, "pc-0.14", pc_compat_1_2, 844 pc_i440fx_0_14_machine_options); 845 846 847 #define PC_COMPAT_0_13 \ 848 PC_CPU_MODEL_IDS("0.13") \ 849 {\ 850 .driver = TYPE_PCI_DEVICE,\ 851 .property = "command_serr_enable",\ 852 .value = "off",\ 853 },{\ 854 .driver = "AC97",\ 855 .property = "use_broken_id",\ 856 .value = stringify(1),\ 857 },{\ 858 .driver = "virtio-9p-pci",\ 859 .property = "vectors",\ 860 .value = stringify(0),\ 861 },{\ 862 .driver = "VGA",\ 863 .property = "rombar",\ 864 .value = stringify(0),\ 865 },{\ 866 .driver = "vmware-svga",\ 867 .property = "rombar",\ 868 .value = stringify(0),\ 869 }, 870 871 static void pc_i440fx_0_13_machine_options(MachineClass *m) 872 { 873 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 874 pc_i440fx_0_14_machine_options(m); 875 m->hw_version = "0.13"; 876 SET_MACHINE_COMPAT(m, PC_COMPAT_0_13); 877 pcmc->kvmclock_enabled = false; 878 } 879 880 DEFINE_I440FX_MACHINE(v0_13, "pc-0.13", pc_compat_0_13, 881 pc_i440fx_0_13_machine_options); 882 883 884 #define PC_COMPAT_0_12 \ 885 PC_CPU_MODEL_IDS("0.12") \ 886 {\ 887 .driver = "virtio-serial-pci",\ 888 .property = "max_ports",\ 889 .value = stringify(1),\ 890 },{\ 891 .driver = "virtio-serial-pci",\ 892 .property = "vectors",\ 893 .value = stringify(0),\ 894 },{\ 895 .driver = "usb-mouse",\ 896 .property = "serial",\ 897 .value = "1",\ 898 },{\ 899 .driver = "usb-tablet",\ 900 .property = "serial",\ 901 .value = "1",\ 902 },{\ 903 .driver = "usb-kbd",\ 904 .property = "serial",\ 905 .value = "1",\ 906 }, 907 908 static void pc_i440fx_0_12_machine_options(MachineClass *m) 909 { 910 pc_i440fx_0_13_machine_options(m); 911 m->hw_version = "0.12"; 912 SET_MACHINE_COMPAT(m, PC_COMPAT_0_12); 913 } 914 915 DEFINE_I440FX_MACHINE(v0_12, "pc-0.12", pc_compat_0_13, 916 pc_i440fx_0_12_machine_options); 917 918 919 #define PC_COMPAT_0_11 \ 920 PC_CPU_MODEL_IDS("0.11") \ 921 {\ 922 .driver = "virtio-blk-pci",\ 923 .property = "vectors",\ 924 .value = stringify(0),\ 925 },{\ 926 .driver = TYPE_PCI_DEVICE,\ 927 .property = "rombar",\ 928 .value = stringify(0),\ 929 },{\ 930 .driver = "ide-drive",\ 931 .property = "ver",\ 932 .value = "0.11",\ 933 },{\ 934 .driver = "scsi-disk",\ 935 .property = "ver",\ 936 .value = "0.11",\ 937 }, 938 939 static void pc_i440fx_0_11_machine_options(MachineClass *m) 940 { 941 pc_i440fx_0_12_machine_options(m); 942 m->hw_version = "0.11"; 943 SET_MACHINE_COMPAT(m, PC_COMPAT_0_11); 944 } 945 946 DEFINE_I440FX_MACHINE(v0_11, "pc-0.11", pc_compat_0_13, 947 pc_i440fx_0_11_machine_options); 948 949 950 #define PC_COMPAT_0_10 \ 951 PC_CPU_MODEL_IDS("0.10") \ 952 {\ 953 .driver = "virtio-blk-pci",\ 954 .property = "class",\ 955 .value = stringify(PCI_CLASS_STORAGE_OTHER),\ 956 },{\ 957 .driver = "virtio-serial-pci",\ 958 .property = "class",\ 959 .value = stringify(PCI_CLASS_DISPLAY_OTHER),\ 960 },{\ 961 .driver = "virtio-net-pci",\ 962 .property = "vectors",\ 963 .value = stringify(0),\ 964 },{\ 965 .driver = "ide-drive",\ 966 .property = "ver",\ 967 .value = "0.10",\ 968 },{\ 969 .driver = "scsi-disk",\ 970 .property = "ver",\ 971 .value = "0.10",\ 972 }, 973 974 static void pc_i440fx_0_10_machine_options(MachineClass *m) 975 { 976 pc_i440fx_0_11_machine_options(m); 977 m->hw_version = "0.10"; 978 SET_MACHINE_COMPAT(m, PC_COMPAT_0_10); 979 } 980 981 DEFINE_I440FX_MACHINE(v0_10, "pc-0.10", pc_compat_0_13, 982 pc_i440fx_0_10_machine_options); 983 984 typedef struct { 985 uint16_t gpu_device_id; 986 uint16_t pch_device_id; 987 uint8_t pch_revision_id; 988 } IGDDeviceIDInfo; 989 990 /* In real world different GPU should have different PCH. But actually 991 * the different PCH DIDs likely map to different PCH SKUs. We do the 992 * same thing for the GPU. For PCH, the different SKUs are going to be 993 * all the same silicon design and implementation, just different 994 * features turn on and off with fuses. The SW interfaces should be 995 * consistent across all SKUs in a given family (eg LPT). But just same 996 * features may not be supported. 997 * 998 * Most of these different PCH features probably don't matter to the 999 * Gfx driver, but obviously any difference in display port connections 1000 * will so it should be fine with any PCH in case of passthrough. 1001 * 1002 * So currently use one PCH version, 0x8c4e, to cover all HSW(Haswell) 1003 * scenarios, 0x9cc3 for BDW(Broadwell). 1004 */ 1005 static const IGDDeviceIDInfo igd_combo_id_infos[] = { 1006 /* HSW Classic */ 1007 {0x0402, 0x8c4e, 0x04}, /* HSWGT1D, HSWD_w7 */ 1008 {0x0406, 0x8c4e, 0x04}, /* HSWGT1M, HSWM_w7 */ 1009 {0x0412, 0x8c4e, 0x04}, /* HSWGT2D, HSWD_w7 */ 1010 {0x0416, 0x8c4e, 0x04}, /* HSWGT2M, HSWM_w7 */ 1011 {0x041E, 0x8c4e, 0x04}, /* HSWGT15D, HSWD_w7 */ 1012 /* HSW ULT */ 1013 {0x0A06, 0x8c4e, 0x04}, /* HSWGT1UT, HSWM_w7 */ 1014 {0x0A16, 0x8c4e, 0x04}, /* HSWGT2UT, HSWM_w7 */ 1015 {0x0A26, 0x8c4e, 0x06}, /* HSWGT3UT, HSWM_w7 */ 1016 {0x0A2E, 0x8c4e, 0x04}, /* HSWGT3UT28W, HSWM_w7 */ 1017 {0x0A1E, 0x8c4e, 0x04}, /* HSWGT2UX, HSWM_w7 */ 1018 {0x0A0E, 0x8c4e, 0x04}, /* HSWGT1ULX, HSWM_w7 */ 1019 /* HSW CRW */ 1020 {0x0D26, 0x8c4e, 0x04}, /* HSWGT3CW, HSWM_w7 */ 1021 {0x0D22, 0x8c4e, 0x04}, /* HSWGT3CWDT, HSWD_w7 */ 1022 /* HSW Server */ 1023 {0x041A, 0x8c4e, 0x04}, /* HSWSVGT2, HSWD_w7 */ 1024 /* HSW SRVR */ 1025 {0x040A, 0x8c4e, 0x04}, /* HSWSVGT1, HSWD_w7 */ 1026 /* BSW */ 1027 {0x1606, 0x9cc3, 0x03}, /* BDWULTGT1, BDWM_w7 */ 1028 {0x1616, 0x9cc3, 0x03}, /* BDWULTGT2, BDWM_w7 */ 1029 {0x1626, 0x9cc3, 0x03}, /* BDWULTGT3, BDWM_w7 */ 1030 {0x160E, 0x9cc3, 0x03}, /* BDWULXGT1, BDWM_w7 */ 1031 {0x161E, 0x9cc3, 0x03}, /* BDWULXGT2, BDWM_w7 */ 1032 {0x1602, 0x9cc3, 0x03}, /* BDWHALOGT1, BDWM_w7 */ 1033 {0x1612, 0x9cc3, 0x03}, /* BDWHALOGT2, BDWM_w7 */ 1034 {0x1622, 0x9cc3, 0x03}, /* BDWHALOGT3, BDWM_w7 */ 1035 {0x162B, 0x9cc3, 0x03}, /* BDWHALO28W, BDWM_w7 */ 1036 {0x162A, 0x9cc3, 0x03}, /* BDWGT3WRKS, BDWM_w7 */ 1037 {0x162D, 0x9cc3, 0x03}, /* BDWGT3SRVR, BDWM_w7 */ 1038 }; 1039 1040 static void isa_bridge_class_init(ObjectClass *klass, void *data) 1041 { 1042 DeviceClass *dc = DEVICE_CLASS(klass); 1043 PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); 1044 1045 dc->desc = "ISA bridge faked to support IGD PT"; 1046 k->vendor_id = PCI_VENDOR_ID_INTEL; 1047 k->class_id = PCI_CLASS_BRIDGE_ISA; 1048 }; 1049 1050 static TypeInfo isa_bridge_info = { 1051 .name = "igd-passthrough-isa-bridge", 1052 .parent = TYPE_PCI_DEVICE, 1053 .instance_size = sizeof(PCIDevice), 1054 .class_init = isa_bridge_class_init, 1055 }; 1056 1057 static void pt_graphics_register_types(void) 1058 { 1059 type_register_static(&isa_bridge_info); 1060 } 1061 type_init(pt_graphics_register_types) 1062 1063 void igd_passthrough_isa_bridge_create(PCIBus *bus, uint16_t gpu_dev_id) 1064 { 1065 struct PCIDevice *bridge_dev; 1066 int i, num; 1067 uint16_t pch_dev_id = 0xffff; 1068 uint8_t pch_rev_id; 1069 1070 num = ARRAY_SIZE(igd_combo_id_infos); 1071 for (i = 0; i < num; i++) { 1072 if (gpu_dev_id == igd_combo_id_infos[i].gpu_device_id) { 1073 pch_dev_id = igd_combo_id_infos[i].pch_device_id; 1074 pch_rev_id = igd_combo_id_infos[i].pch_revision_id; 1075 } 1076 } 1077 1078 if (pch_dev_id == 0xffff) { 1079 return; 1080 } 1081 1082 /* Currently IGD drivers always need to access PCH by 1f.0. */ 1083 bridge_dev = pci_create_simple(bus, PCI_DEVFN(0x1f, 0), 1084 "igd-passthrough-isa-bridge"); 1085 1086 /* 1087 * Note that vendor id is always PCI_VENDOR_ID_INTEL. 1088 */ 1089 if (!bridge_dev) { 1090 fprintf(stderr, "set igd-passthrough-isa-bridge failed!\n"); 1091 return; 1092 } 1093 pci_config_set_device_id(bridge_dev->config, pch_dev_id); 1094 pci_config_set_revision(bridge_dev->config, pch_rev_id); 1095 } 1096 1097 static void isapc_machine_options(MachineClass *m) 1098 { 1099 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 1100 m->desc = "ISA-only PC"; 1101 m->max_cpus = 1; 1102 m->option_rom_has_mr = true; 1103 m->rom_file_has_mr = false; 1104 pcmc->pci_enabled = false; 1105 pcmc->has_acpi_build = false; 1106 pcmc->smbios_defaults = false; 1107 pcmc->gigabyte_align = false; 1108 pcmc->smbios_legacy_mode = true; 1109 pcmc->has_reserved_memory = false; 1110 } 1111 1112 DEFINE_PC_MACHINE(isapc, "isapc", pc_init_isa, 1113 isapc_machine_options); 1114 1115 1116 #ifdef CONFIG_XEN 1117 static void xenfv_machine_options(MachineClass *m) 1118 { 1119 m->desc = "Xen Fully-virtualized PC"; 1120 m->max_cpus = HVM_MAX_VCPUS; 1121 m->default_machine_opts = "accel=xen"; 1122 m->hot_add_cpu = pc_hot_add_cpu; 1123 } 1124 1125 DEFINE_PC_MACHINE(xenfv, "xenfv", pc_xen_hvm_init, 1126 xenfv_machine_options); 1127 #endif 1128