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