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 58 #define MAX_IDE_BUS 2 59 60 static const int ide_iobase[MAX_IDE_BUS] = { 0x1f0, 0x170 }; 61 static const int ide_iobase2[MAX_IDE_BUS] = { 0x3f6, 0x376 }; 62 static const int ide_irq[MAX_IDE_BUS] = { 14, 15 }; 63 64 /* PC hardware initialisation */ 65 static void pc_init1(MachineState *machine, 66 const char *host_type, const char *pci_type) 67 { 68 PCMachineState *pcms = PC_MACHINE(machine); 69 PCMachineClass *pcmc = PC_MACHINE_GET_CLASS(pcms); 70 MemoryRegion *system_memory = get_system_memory(); 71 MemoryRegion *system_io = get_system_io(); 72 int i; 73 PCIBus *pci_bus; 74 ISABus *isa_bus; 75 PCII440FXState *i440fx_state; 76 int piix3_devfn = -1; 77 qemu_irq *gsi; 78 qemu_irq *i8259; 79 qemu_irq smi_irq; 80 GSIState *gsi_state; 81 DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS]; 82 BusState *idebus[MAX_IDE_BUS]; 83 ISADevice *rtc_state; 84 MemoryRegion *ram_memory; 85 MemoryRegion *pci_memory; 86 MemoryRegion *rom_memory; 87 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 gsi = qemu_allocate_irqs(kvm_pc_gsi_handler, gsi_state, 189 GSI_NUM_PINS); 190 } else { 191 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, 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, 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(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, gsi, &rtc_state, true, 239 (pcms->vmport != ON_OFF_AUTO_ON), 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 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_7_machine_options(MachineClass *m) 442 { 443 pc_i440fx_machine_options(m); 444 m->alias = "pc"; 445 m->is_default = 1; 446 } 447 448 DEFINE_I440FX_MACHINE(v2_7, "pc-i440fx-2.7", NULL, 449 pc_i440fx_2_7_machine_options); 450 451 452 static void pc_i440fx_2_6_machine_options(MachineClass *m) 453 { 454 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 455 pc_i440fx_2_7_machine_options(m); 456 m->is_default = 0; 457 m->alias = NULL; 458 pcmc->legacy_cpu_hotplug = true; 459 SET_MACHINE_COMPAT(m, PC_COMPAT_2_6); 460 } 461 462 DEFINE_I440FX_MACHINE(v2_6, "pc-i440fx-2.6", NULL, 463 pc_i440fx_2_6_machine_options); 464 465 466 static void pc_i440fx_2_5_machine_options(MachineClass *m) 467 { 468 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 469 pc_i440fx_2_6_machine_options(m); 470 pcmc->save_tsc_khz = false; 471 m->legacy_fw_cfg_order = 1; 472 SET_MACHINE_COMPAT(m, PC_COMPAT_2_5); 473 } 474 475 DEFINE_I440FX_MACHINE(v2_5, "pc-i440fx-2.5", NULL, 476 pc_i440fx_2_5_machine_options); 477 478 479 static void pc_i440fx_2_4_machine_options(MachineClass *m) 480 { 481 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 482 pc_i440fx_2_5_machine_options(m); 483 m->hw_version = "2.4.0"; 484 pcmc->broken_reserved_end = true; 485 SET_MACHINE_COMPAT(m, PC_COMPAT_2_4); 486 } 487 488 DEFINE_I440FX_MACHINE(v2_4, "pc-i440fx-2.4", NULL, 489 pc_i440fx_2_4_machine_options) 490 491 492 static void pc_i440fx_2_3_machine_options(MachineClass *m) 493 { 494 pc_i440fx_2_4_machine_options(m); 495 m->hw_version = "2.3.0"; 496 SET_MACHINE_COMPAT(m, PC_COMPAT_2_3); 497 } 498 499 DEFINE_I440FX_MACHINE(v2_3, "pc-i440fx-2.3", pc_compat_2_3, 500 pc_i440fx_2_3_machine_options); 501 502 503 static void pc_i440fx_2_2_machine_options(MachineClass *m) 504 { 505 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 506 pc_i440fx_2_3_machine_options(m); 507 m->hw_version = "2.2.0"; 508 SET_MACHINE_COMPAT(m, PC_COMPAT_2_2); 509 pcmc->rsdp_in_ram = false; 510 } 511 512 DEFINE_I440FX_MACHINE(v2_2, "pc-i440fx-2.2", pc_compat_2_2, 513 pc_i440fx_2_2_machine_options); 514 515 516 static void pc_i440fx_2_1_machine_options(MachineClass *m) 517 { 518 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 519 pc_i440fx_2_2_machine_options(m); 520 m->hw_version = "2.1.0"; 521 m->default_display = NULL; 522 SET_MACHINE_COMPAT(m, PC_COMPAT_2_1); 523 pcmc->smbios_uuid_encoded = false; 524 pcmc->enforce_aligned_dimm = false; 525 } 526 527 DEFINE_I440FX_MACHINE(v2_1, "pc-i440fx-2.1", pc_compat_2_1, 528 pc_i440fx_2_1_machine_options); 529 530 531 532 static void pc_i440fx_2_0_machine_options(MachineClass *m) 533 { 534 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 535 pc_i440fx_2_1_machine_options(m); 536 m->hw_version = "2.0.0"; 537 SET_MACHINE_COMPAT(m, PC_COMPAT_2_0); 538 pcmc->smbios_legacy_mode = true; 539 pcmc->has_reserved_memory = false; 540 /* This value depends on the actual DSDT and SSDT compiled into 541 * the source QEMU; unfortunately it depends on the binary and 542 * not on the machine type, so we cannot make pc-i440fx-1.7 work on 543 * both QEMU 1.7 and QEMU 2.0. 544 * 545 * Large variations cause migration to fail for more than one 546 * consecutive value of the "-smp" maxcpus option. 547 * 548 * For small variations of the kind caused by different iasl versions, 549 * the 4k rounding usually leaves slack. However, there could be still 550 * one or two values that break. For QEMU 1.7 and QEMU 2.0 the 551 * slack is only ~10 bytes before one "-smp maxcpus" value breaks! 552 * 553 * 6652 is valid for QEMU 2.0, the right value for pc-i440fx-1.7 on 554 * QEMU 1.7 it is 6414. For RHEL/CentOS 7.0 it is 6418. 555 */ 556 pcmc->legacy_acpi_table_size = 6652; 557 pcmc->acpi_data_size = 0x10000; 558 } 559 560 DEFINE_I440FX_MACHINE(v2_0, "pc-i440fx-2.0", pc_compat_2_0, 561 pc_i440fx_2_0_machine_options); 562 563 564 static void pc_i440fx_1_7_machine_options(MachineClass *m) 565 { 566 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 567 pc_i440fx_2_0_machine_options(m); 568 m->hw_version = "1.7.0"; 569 m->default_machine_opts = NULL; 570 m->option_rom_has_mr = true; 571 SET_MACHINE_COMPAT(m, PC_COMPAT_1_7); 572 pcmc->smbios_defaults = false; 573 pcmc->gigabyte_align = false; 574 pcmc->legacy_acpi_table_size = 6414; 575 } 576 577 DEFINE_I440FX_MACHINE(v1_7, "pc-i440fx-1.7", pc_compat_1_7, 578 pc_i440fx_1_7_machine_options); 579 580 581 static void pc_i440fx_1_6_machine_options(MachineClass *m) 582 { 583 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 584 pc_i440fx_1_7_machine_options(m); 585 m->hw_version = "1.6.0"; 586 m->rom_file_has_mr = false; 587 SET_MACHINE_COMPAT(m, PC_COMPAT_1_6); 588 pcmc->has_acpi_build = false; 589 } 590 591 DEFINE_I440FX_MACHINE(v1_6, "pc-i440fx-1.6", pc_compat_1_6, 592 pc_i440fx_1_6_machine_options); 593 594 595 static void pc_i440fx_1_5_machine_options(MachineClass *m) 596 { 597 pc_i440fx_1_6_machine_options(m); 598 m->hw_version = "1.5.0"; 599 SET_MACHINE_COMPAT(m, PC_COMPAT_1_5); 600 } 601 602 DEFINE_I440FX_MACHINE(v1_5, "pc-i440fx-1.5", pc_compat_1_5, 603 pc_i440fx_1_5_machine_options); 604 605 606 static void pc_i440fx_1_4_machine_options(MachineClass *m) 607 { 608 pc_i440fx_1_5_machine_options(m); 609 m->hw_version = "1.4.0"; 610 m->hot_add_cpu = NULL; 611 SET_MACHINE_COMPAT(m, PC_COMPAT_1_4); 612 } 613 614 DEFINE_I440FX_MACHINE(v1_4, "pc-i440fx-1.4", pc_compat_1_4, 615 pc_i440fx_1_4_machine_options); 616 617 618 #define PC_COMPAT_1_3 \ 619 PC_CPU_MODEL_IDS("1.3.0") \ 620 {\ 621 .driver = "usb-tablet",\ 622 .property = "usb_version",\ 623 .value = stringify(1),\ 624 },{\ 625 .driver = "virtio-net-pci",\ 626 .property = "ctrl_mac_addr",\ 627 .value = "off", \ 628 },{ \ 629 .driver = "virtio-net-pci", \ 630 .property = "mq", \ 631 .value = "off", \ 632 }, {\ 633 .driver = "e1000",\ 634 .property = "autonegotiation",\ 635 .value = "off",\ 636 }, 637 638 639 static void pc_i440fx_1_3_machine_options(MachineClass *m) 640 { 641 pc_i440fx_1_4_machine_options(m); 642 m->hw_version = "1.3.0"; 643 SET_MACHINE_COMPAT(m, PC_COMPAT_1_3); 644 } 645 646 DEFINE_I440FX_MACHINE(v1_3, "pc-1.3", pc_compat_1_3, 647 pc_i440fx_1_3_machine_options); 648 649 650 #define PC_COMPAT_1_2 \ 651 PC_CPU_MODEL_IDS("1.2.0") \ 652 {\ 653 .driver = "nec-usb-xhci",\ 654 .property = "msi",\ 655 .value = "off",\ 656 },{\ 657 .driver = "nec-usb-xhci",\ 658 .property = "msix",\ 659 .value = "off",\ 660 },{\ 661 .driver = "ivshmem",\ 662 .property = "use64",\ 663 .value = "0",\ 664 },{\ 665 .driver = "qxl",\ 666 .property = "revision",\ 667 .value = stringify(3),\ 668 },{\ 669 .driver = "qxl-vga",\ 670 .property = "revision",\ 671 .value = stringify(3),\ 672 },{\ 673 .driver = "VGA",\ 674 .property = "mmio",\ 675 .value = "off",\ 676 }, 677 678 static void pc_i440fx_1_2_machine_options(MachineClass *m) 679 { 680 pc_i440fx_1_3_machine_options(m); 681 m->hw_version = "1.2.0"; 682 SET_MACHINE_COMPAT(m, PC_COMPAT_1_2); 683 } 684 685 DEFINE_I440FX_MACHINE(v1_2, "pc-1.2", pc_compat_1_2, 686 pc_i440fx_1_2_machine_options); 687 688 689 #define PC_COMPAT_1_1 \ 690 PC_CPU_MODEL_IDS("1.1.0") \ 691 {\ 692 .driver = "virtio-scsi-pci",\ 693 .property = "hotplug",\ 694 .value = "off",\ 695 },{\ 696 .driver = "virtio-scsi-pci",\ 697 .property = "param_change",\ 698 .value = "off",\ 699 },{\ 700 .driver = "VGA",\ 701 .property = "vgamem_mb",\ 702 .value = stringify(8),\ 703 },{\ 704 .driver = "vmware-svga",\ 705 .property = "vgamem_mb",\ 706 .value = stringify(8),\ 707 },{\ 708 .driver = "qxl-vga",\ 709 .property = "vgamem_mb",\ 710 .value = stringify(8),\ 711 },{\ 712 .driver = "qxl",\ 713 .property = "vgamem_mb",\ 714 .value = stringify(8),\ 715 },{\ 716 .driver = "virtio-blk-pci",\ 717 .property = "config-wce",\ 718 .value = "off",\ 719 }, 720 721 static void pc_i440fx_1_1_machine_options(MachineClass *m) 722 { 723 pc_i440fx_1_2_machine_options(m); 724 m->hw_version = "1.1.0"; 725 SET_MACHINE_COMPAT(m, PC_COMPAT_1_1); 726 } 727 728 DEFINE_I440FX_MACHINE(v1_1, "pc-1.1", pc_compat_1_2, 729 pc_i440fx_1_1_machine_options); 730 731 732 #define PC_COMPAT_1_0 \ 733 PC_CPU_MODEL_IDS("1.0") \ 734 {\ 735 .driver = TYPE_ISA_FDC,\ 736 .property = "check_media_rate",\ 737 .value = "off",\ 738 }, {\ 739 .driver = "virtio-balloon-pci",\ 740 .property = "class",\ 741 .value = stringify(PCI_CLASS_MEMORY_RAM),\ 742 },{\ 743 .driver = "apic-common",\ 744 .property = "vapic",\ 745 .value = "off",\ 746 },{\ 747 .driver = TYPE_USB_DEVICE,\ 748 .property = "full-path",\ 749 .value = "no",\ 750 }, 751 752 static void pc_i440fx_1_0_machine_options(MachineClass *m) 753 { 754 pc_i440fx_1_1_machine_options(m); 755 m->hw_version = "1.0"; 756 SET_MACHINE_COMPAT(m, PC_COMPAT_1_0); 757 } 758 759 DEFINE_I440FX_MACHINE(v1_0, "pc-1.0", pc_compat_1_2, 760 pc_i440fx_1_0_machine_options); 761 762 763 #define PC_COMPAT_0_15 \ 764 PC_CPU_MODEL_IDS("0.15") 765 766 static void pc_i440fx_0_15_machine_options(MachineClass *m) 767 { 768 pc_i440fx_1_0_machine_options(m); 769 m->hw_version = "0.15"; 770 SET_MACHINE_COMPAT(m, PC_COMPAT_0_15); 771 } 772 773 DEFINE_I440FX_MACHINE(v0_15, "pc-0.15", pc_compat_1_2, 774 pc_i440fx_0_15_machine_options); 775 776 777 #define PC_COMPAT_0_14 \ 778 PC_CPU_MODEL_IDS("0.14") \ 779 {\ 780 .driver = "virtio-blk-pci",\ 781 .property = "event_idx",\ 782 .value = "off",\ 783 },{\ 784 .driver = "virtio-serial-pci",\ 785 .property = "event_idx",\ 786 .value = "off",\ 787 },{\ 788 .driver = "virtio-net-pci",\ 789 .property = "event_idx",\ 790 .value = "off",\ 791 },{\ 792 .driver = "virtio-balloon-pci",\ 793 .property = "event_idx",\ 794 .value = "off",\ 795 },{\ 796 .driver = "qxl",\ 797 .property = "revision",\ 798 .value = stringify(2),\ 799 },{\ 800 .driver = "qxl-vga",\ 801 .property = "revision",\ 802 .value = stringify(2),\ 803 }, 804 805 static void pc_i440fx_0_14_machine_options(MachineClass *m) 806 { 807 pc_i440fx_0_15_machine_options(m); 808 m->hw_version = "0.14"; 809 SET_MACHINE_COMPAT(m, PC_COMPAT_0_14); 810 } 811 812 DEFINE_I440FX_MACHINE(v0_14, "pc-0.14", pc_compat_1_2, 813 pc_i440fx_0_14_machine_options); 814 815 816 #define PC_COMPAT_0_13 \ 817 PC_CPU_MODEL_IDS("0.13") \ 818 {\ 819 .driver = TYPE_PCI_DEVICE,\ 820 .property = "command_serr_enable",\ 821 .value = "off",\ 822 },{\ 823 .driver = "AC97",\ 824 .property = "use_broken_id",\ 825 .value = stringify(1),\ 826 },{\ 827 .driver = "virtio-9p-pci",\ 828 .property = "vectors",\ 829 .value = stringify(0),\ 830 },{\ 831 .driver = "VGA",\ 832 .property = "rombar",\ 833 .value = stringify(0),\ 834 },{\ 835 .driver = "vmware-svga",\ 836 .property = "rombar",\ 837 .value = stringify(0),\ 838 }, 839 840 static void pc_i440fx_0_13_machine_options(MachineClass *m) 841 { 842 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 843 pc_i440fx_0_14_machine_options(m); 844 m->hw_version = "0.13"; 845 SET_MACHINE_COMPAT(m, PC_COMPAT_0_13); 846 pcmc->kvmclock_enabled = false; 847 } 848 849 DEFINE_I440FX_MACHINE(v0_13, "pc-0.13", pc_compat_0_13, 850 pc_i440fx_0_13_machine_options); 851 852 853 #define PC_COMPAT_0_12 \ 854 PC_CPU_MODEL_IDS("0.12") \ 855 {\ 856 .driver = "virtio-serial-pci",\ 857 .property = "max_ports",\ 858 .value = stringify(1),\ 859 },{\ 860 .driver = "virtio-serial-pci",\ 861 .property = "vectors",\ 862 .value = stringify(0),\ 863 },{\ 864 .driver = "usb-mouse",\ 865 .property = "serial",\ 866 .value = "1",\ 867 },{\ 868 .driver = "usb-tablet",\ 869 .property = "serial",\ 870 .value = "1",\ 871 },{\ 872 .driver = "usb-kbd",\ 873 .property = "serial",\ 874 .value = "1",\ 875 }, 876 877 static void pc_i440fx_0_12_machine_options(MachineClass *m) 878 { 879 pc_i440fx_0_13_machine_options(m); 880 m->hw_version = "0.12"; 881 SET_MACHINE_COMPAT(m, PC_COMPAT_0_12); 882 } 883 884 DEFINE_I440FX_MACHINE(v0_12, "pc-0.12", pc_compat_0_13, 885 pc_i440fx_0_12_machine_options); 886 887 888 #define PC_COMPAT_0_11 \ 889 PC_CPU_MODEL_IDS("0.11") \ 890 {\ 891 .driver = "virtio-blk-pci",\ 892 .property = "vectors",\ 893 .value = stringify(0),\ 894 },{\ 895 .driver = TYPE_PCI_DEVICE,\ 896 .property = "rombar",\ 897 .value = stringify(0),\ 898 },{\ 899 .driver = "ide-drive",\ 900 .property = "ver",\ 901 .value = "0.11",\ 902 },{\ 903 .driver = "scsi-disk",\ 904 .property = "ver",\ 905 .value = "0.11",\ 906 }, 907 908 static void pc_i440fx_0_11_machine_options(MachineClass *m) 909 { 910 pc_i440fx_0_12_machine_options(m); 911 m->hw_version = "0.11"; 912 SET_MACHINE_COMPAT(m, PC_COMPAT_0_11); 913 } 914 915 DEFINE_I440FX_MACHINE(v0_11, "pc-0.11", pc_compat_0_13, 916 pc_i440fx_0_11_machine_options); 917 918 919 #define PC_COMPAT_0_10 \ 920 PC_CPU_MODEL_IDS("0.10") \ 921 {\ 922 .driver = "virtio-blk-pci",\ 923 .property = "class",\ 924 .value = stringify(PCI_CLASS_STORAGE_OTHER),\ 925 },{\ 926 .driver = "virtio-serial-pci",\ 927 .property = "class",\ 928 .value = stringify(PCI_CLASS_DISPLAY_OTHER),\ 929 },{\ 930 .driver = "virtio-net-pci",\ 931 .property = "vectors",\ 932 .value = stringify(0),\ 933 },{\ 934 .driver = "ide-drive",\ 935 .property = "ver",\ 936 .value = "0.10",\ 937 },{\ 938 .driver = "scsi-disk",\ 939 .property = "ver",\ 940 .value = "0.10",\ 941 }, 942 943 static void pc_i440fx_0_10_machine_options(MachineClass *m) 944 { 945 pc_i440fx_0_11_machine_options(m); 946 m->hw_version = "0.10"; 947 SET_MACHINE_COMPAT(m, PC_COMPAT_0_10); 948 } 949 950 DEFINE_I440FX_MACHINE(v0_10, "pc-0.10", pc_compat_0_13, 951 pc_i440fx_0_10_machine_options); 952 953 typedef struct { 954 uint16_t gpu_device_id; 955 uint16_t pch_device_id; 956 uint8_t pch_revision_id; 957 } IGDDeviceIDInfo; 958 959 /* In real world different GPU should have different PCH. But actually 960 * the different PCH DIDs likely map to different PCH SKUs. We do the 961 * same thing for the GPU. For PCH, the different SKUs are going to be 962 * all the same silicon design and implementation, just different 963 * features turn on and off with fuses. The SW interfaces should be 964 * consistent across all SKUs in a given family (eg LPT). But just same 965 * features may not be supported. 966 * 967 * Most of these different PCH features probably don't matter to the 968 * Gfx driver, but obviously any difference in display port connections 969 * will so it should be fine with any PCH in case of passthrough. 970 * 971 * So currently use one PCH version, 0x8c4e, to cover all HSW(Haswell) 972 * scenarios, 0x9cc3 for BDW(Broadwell). 973 */ 974 static const IGDDeviceIDInfo igd_combo_id_infos[] = { 975 /* HSW Classic */ 976 {0x0402, 0x8c4e, 0x04}, /* HSWGT1D, HSWD_w7 */ 977 {0x0406, 0x8c4e, 0x04}, /* HSWGT1M, HSWM_w7 */ 978 {0x0412, 0x8c4e, 0x04}, /* HSWGT2D, HSWD_w7 */ 979 {0x0416, 0x8c4e, 0x04}, /* HSWGT2M, HSWM_w7 */ 980 {0x041E, 0x8c4e, 0x04}, /* HSWGT15D, HSWD_w7 */ 981 /* HSW ULT */ 982 {0x0A06, 0x8c4e, 0x04}, /* HSWGT1UT, HSWM_w7 */ 983 {0x0A16, 0x8c4e, 0x04}, /* HSWGT2UT, HSWM_w7 */ 984 {0x0A26, 0x8c4e, 0x06}, /* HSWGT3UT, HSWM_w7 */ 985 {0x0A2E, 0x8c4e, 0x04}, /* HSWGT3UT28W, HSWM_w7 */ 986 {0x0A1E, 0x8c4e, 0x04}, /* HSWGT2UX, HSWM_w7 */ 987 {0x0A0E, 0x8c4e, 0x04}, /* HSWGT1ULX, HSWM_w7 */ 988 /* HSW CRW */ 989 {0x0D26, 0x8c4e, 0x04}, /* HSWGT3CW, HSWM_w7 */ 990 {0x0D22, 0x8c4e, 0x04}, /* HSWGT3CWDT, HSWD_w7 */ 991 /* HSW Server */ 992 {0x041A, 0x8c4e, 0x04}, /* HSWSVGT2, HSWD_w7 */ 993 /* HSW SRVR */ 994 {0x040A, 0x8c4e, 0x04}, /* HSWSVGT1, HSWD_w7 */ 995 /* BSW */ 996 {0x1606, 0x9cc3, 0x03}, /* BDWULTGT1, BDWM_w7 */ 997 {0x1616, 0x9cc3, 0x03}, /* BDWULTGT2, BDWM_w7 */ 998 {0x1626, 0x9cc3, 0x03}, /* BDWULTGT3, BDWM_w7 */ 999 {0x160E, 0x9cc3, 0x03}, /* BDWULXGT1, BDWM_w7 */ 1000 {0x161E, 0x9cc3, 0x03}, /* BDWULXGT2, BDWM_w7 */ 1001 {0x1602, 0x9cc3, 0x03}, /* BDWHALOGT1, BDWM_w7 */ 1002 {0x1612, 0x9cc3, 0x03}, /* BDWHALOGT2, BDWM_w7 */ 1003 {0x1622, 0x9cc3, 0x03}, /* BDWHALOGT3, BDWM_w7 */ 1004 {0x162B, 0x9cc3, 0x03}, /* BDWHALO28W, BDWM_w7 */ 1005 {0x162A, 0x9cc3, 0x03}, /* BDWGT3WRKS, BDWM_w7 */ 1006 {0x162D, 0x9cc3, 0x03}, /* BDWGT3SRVR, BDWM_w7 */ 1007 }; 1008 1009 static void isa_bridge_class_init(ObjectClass *klass, void *data) 1010 { 1011 DeviceClass *dc = DEVICE_CLASS(klass); 1012 PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); 1013 1014 dc->desc = "ISA bridge faked to support IGD PT"; 1015 k->vendor_id = PCI_VENDOR_ID_INTEL; 1016 k->class_id = PCI_CLASS_BRIDGE_ISA; 1017 }; 1018 1019 static TypeInfo isa_bridge_info = { 1020 .name = "igd-passthrough-isa-bridge", 1021 .parent = TYPE_PCI_DEVICE, 1022 .instance_size = sizeof(PCIDevice), 1023 .class_init = isa_bridge_class_init, 1024 }; 1025 1026 static void pt_graphics_register_types(void) 1027 { 1028 type_register_static(&isa_bridge_info); 1029 } 1030 type_init(pt_graphics_register_types) 1031 1032 void igd_passthrough_isa_bridge_create(PCIBus *bus, uint16_t gpu_dev_id) 1033 { 1034 struct PCIDevice *bridge_dev; 1035 int i, num; 1036 uint16_t pch_dev_id = 0xffff; 1037 uint8_t pch_rev_id; 1038 1039 num = ARRAY_SIZE(igd_combo_id_infos); 1040 for (i = 0; i < num; i++) { 1041 if (gpu_dev_id == igd_combo_id_infos[i].gpu_device_id) { 1042 pch_dev_id = igd_combo_id_infos[i].pch_device_id; 1043 pch_rev_id = igd_combo_id_infos[i].pch_revision_id; 1044 } 1045 } 1046 1047 if (pch_dev_id == 0xffff) { 1048 return; 1049 } 1050 1051 /* Currently IGD drivers always need to access PCH by 1f.0. */ 1052 bridge_dev = pci_create_simple(bus, PCI_DEVFN(0x1f, 0), 1053 "igd-passthrough-isa-bridge"); 1054 1055 /* 1056 * Note that vendor id is always PCI_VENDOR_ID_INTEL. 1057 */ 1058 if (!bridge_dev) { 1059 fprintf(stderr, "set igd-passthrough-isa-bridge failed!\n"); 1060 return; 1061 } 1062 pci_config_set_device_id(bridge_dev->config, pch_dev_id); 1063 pci_config_set_revision(bridge_dev->config, pch_rev_id); 1064 } 1065 1066 static void isapc_machine_options(MachineClass *m) 1067 { 1068 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 1069 m->desc = "ISA-only PC"; 1070 m->max_cpus = 1; 1071 m->option_rom_has_mr = true; 1072 m->rom_file_has_mr = false; 1073 pcmc->pci_enabled = false; 1074 pcmc->has_acpi_build = false; 1075 pcmc->smbios_defaults = false; 1076 pcmc->gigabyte_align = false; 1077 pcmc->smbios_legacy_mode = true; 1078 pcmc->has_reserved_memory = false; 1079 } 1080 1081 DEFINE_PC_MACHINE(isapc, "isapc", pc_init_isa, 1082 isapc_machine_options); 1083 1084 1085 #ifdef CONFIG_XEN 1086 static void xenfv_machine_options(MachineClass *m) 1087 { 1088 m->desc = "Xen Fully-virtualized PC"; 1089 m->max_cpus = HVM_MAX_VCPUS; 1090 m->default_machine_opts = "accel=xen"; 1091 m->hot_add_cpu = pc_hot_add_cpu; 1092 } 1093 1094 DEFINE_PC_MACHINE(xenfv, "xenfv", pc_xen_hvm_init, 1095 xenfv_machine_options); 1096 #endif 1097