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