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 #include CONFIG_DEVICES 27 28 #include "qemu/units.h" 29 #include "hw/char/parallel-isa.h" 30 #include "hw/dma/i8257.h" 31 #include "hw/loader.h" 32 #include "hw/i386/x86.h" 33 #include "hw/i386/pc.h" 34 #include "hw/i386/apic.h" 35 #include "hw/pci-host/i440fx.h" 36 #include "hw/rtc/mc146818rtc.h" 37 #include "hw/southbridge/piix.h" 38 #include "hw/display/ramfb.h" 39 #include "hw/pci/pci.h" 40 #include "hw/pci/pci_ids.h" 41 #include "hw/usb.h" 42 #include "net/net.h" 43 #include "hw/ide/isa.h" 44 #include "hw/ide/pci.h" 45 #include "hw/irq.h" 46 #include "system/kvm.h" 47 #include "hw/i386/kvm/clock.h" 48 #include "hw/sysbus.h" 49 #include "hw/i2c/smbus_eeprom.h" 50 #include "system/memory.h" 51 #include "hw/acpi/acpi.h" 52 #include "qapi/error.h" 53 #include "qemu/error-report.h" 54 #include "system/xen.h" 55 #ifdef CONFIG_XEN 56 #include <xen/hvm/hvm_info_table.h> 57 #include "hw/xen/xen_pt.h" 58 #include "hw/xen/xen_igd.h" 59 #endif 60 #include "hw/xen/xen-x86.h" 61 #include "hw/xen/xen.h" 62 #include "migration/global_state.h" 63 #include "migration/misc.h" 64 #include "system/runstate.h" 65 #include "system/numa.h" 66 #include "hw/hyperv/vmbus-bridge.h" 67 #include "hw/mem/nvdimm.h" 68 #include "hw/uefi/var-service-api.h" 69 #include "hw/i386/acpi-build.h" 70 #include "target/i386/cpu.h" 71 72 #define XEN_IOAPIC_NUM_PIRQS 128ULL 73 74 #ifdef CONFIG_IDE_ISA 75 static const int ide_iobase[MAX_IDE_BUS] = { 0x1f0, 0x170 }; 76 static const int ide_iobase2[MAX_IDE_BUS] = { 0x3f6, 0x376 }; 77 static const int ide_irq[MAX_IDE_BUS] = { 14, 15 }; 78 #endif 79 80 /* 81 * Return the global irq number corresponding to a given device irq 82 * pin. We could also use the bus number to have a more precise mapping. 83 */ 84 static int pc_pci_slot_get_pirq(PCIDevice *pci_dev, int pci_intx) 85 { 86 int slot_addend; 87 slot_addend = PCI_SLOT(pci_dev->devfn) - 1; 88 return (pci_intx + slot_addend) & 3; 89 } 90 91 static void piix_intx_routing_notifier_xen(PCIDevice *dev) 92 { 93 int i; 94 95 /* Scan for updates to PCI link routes. */ 96 for (i = 0; i < PIIX_NUM_PIRQS; i++) { 97 const PCIINTxRoute route = pci_device_route_intx_to_irq(dev, i); 98 const uint8_t v = route.mode == PCI_INTX_ENABLED ? route.irq : 0; 99 xen_set_pci_link_route(i, v); 100 } 101 } 102 103 /* PC hardware initialisation */ 104 static void pc_init1(MachineState *machine, const char *pci_type) 105 { 106 PCMachineState *pcms = PC_MACHINE(machine); 107 PCMachineClass *pcmc = PC_MACHINE_GET_CLASS(pcms); 108 X86MachineState *x86ms = X86_MACHINE(machine); 109 MemoryRegion *system_memory = get_system_memory(); 110 MemoryRegion *system_io = get_system_io(); 111 Object *phb = NULL; 112 ISABus *isa_bus; 113 Object *piix4_pm = NULL; 114 qemu_irq smi_irq; 115 GSIState *gsi_state; 116 MemoryRegion *ram_memory; 117 MemoryRegion *pci_memory = NULL; 118 MemoryRegion *rom_memory = system_memory; 119 ram_addr_t lowmem; 120 uint64_t hole64_size = 0; 121 122 /* 123 * Calculate ram split, for memory below and above 4G. It's a bit 124 * complicated for backward compatibility reasons ... 125 * 126 * - Traditional split is 3.5G (lowmem = 0xe0000000). This is the 127 * default value for max_ram_below_4g now. 128 * 129 * - Then, to gigabyte align the memory, we move the split to 3G 130 * (lowmem = 0xc0000000). But only in case we have to split in 131 * the first place, i.e. ram_size is larger than (traditional) 132 * lowmem. And for new machine types (gigabyte_align = true) 133 * only, for live migration compatibility reasons. 134 * 135 * - Next the max-ram-below-4g option was added, which allowed to 136 * reduce lowmem to a smaller value, to allow a larger PCI I/O 137 * window below 4G. qemu doesn't enforce gigabyte alignment here, 138 * but prints a warning. 139 * 140 * - Finally max-ram-below-4g got updated to also allow raising lowmem, 141 * so legacy non-PAE guests can get as much memory as possible in 142 * the 32bit address space below 4G. 143 * 144 * - Note that Xen has its own ram setup code in xen_ram_init(), 145 * called via xen_hvm_init_pc(). 146 * 147 * Examples: 148 * qemu -M pc-1.7 -m 4G (old default) -> 3584M low, 512M high 149 * qemu -M pc -m 4G (new default) -> 3072M low, 1024M high 150 * qemu -M pc,max-ram-below-4g=2G -m 4G -> 2048M low, 2048M high 151 * qemu -M pc,max-ram-below-4g=4G -m 3968M -> 3968M low (=4G-128M) 152 */ 153 if (xen_enabled()) { 154 xen_hvm_init_pc(pcms, &ram_memory); 155 } else { 156 ram_memory = machine->ram; 157 if (!pcms->max_ram_below_4g) { 158 pcms->max_ram_below_4g = 0xe0000000; /* default: 3.5G */ 159 } 160 lowmem = pcms->max_ram_below_4g; 161 if (machine->ram_size >= pcms->max_ram_below_4g) { 162 if (pcmc->gigabyte_align) { 163 if (lowmem > 0xc0000000) { 164 lowmem = 0xc0000000; 165 } 166 if (lowmem & (1 * GiB - 1)) { 167 warn_report("Large machine and max_ram_below_4g " 168 "(%" PRIu64 ") not a multiple of 1G; " 169 "possible bad performance.", 170 pcms->max_ram_below_4g); 171 } 172 } 173 } 174 175 if (machine->ram_size >= lowmem) { 176 x86ms->above_4g_mem_size = machine->ram_size - lowmem; 177 x86ms->below_4g_mem_size = lowmem; 178 } else { 179 x86ms->above_4g_mem_size = 0; 180 x86ms->below_4g_mem_size = machine->ram_size; 181 } 182 } 183 184 pc_machine_init_sgx_epc(pcms); 185 x86_cpus_init(x86ms, pcmc->default_cpu_version); 186 187 if (kvm_enabled()) { 188 kvmclock_create(pcmc->kvmclock_create_always); 189 } 190 191 if (pcmc->pci_enabled) { 192 pci_memory = g_new(MemoryRegion, 1); 193 memory_region_init(pci_memory, NULL, "pci", UINT64_MAX); 194 rom_memory = pci_memory; 195 196 phb = OBJECT(qdev_new(TYPE_I440FX_PCI_HOST_BRIDGE)); 197 object_property_add_child(OBJECT(machine), "i440fx", phb); 198 object_property_set_link(phb, PCI_HOST_PROP_RAM_MEM, 199 OBJECT(ram_memory), &error_fatal); 200 object_property_set_link(phb, PCI_HOST_PROP_PCI_MEM, 201 OBJECT(pci_memory), &error_fatal); 202 object_property_set_link(phb, PCI_HOST_PROP_SYSTEM_MEM, 203 OBJECT(system_memory), &error_fatal); 204 object_property_set_link(phb, PCI_HOST_PROP_IO_MEM, 205 OBJECT(system_io), &error_fatal); 206 object_property_set_uint(phb, PCI_HOST_BELOW_4G_MEM_SIZE, 207 x86ms->below_4g_mem_size, &error_fatal); 208 object_property_set_uint(phb, PCI_HOST_ABOVE_4G_MEM_SIZE, 209 x86ms->above_4g_mem_size, &error_fatal); 210 object_property_set_str(phb, I440FX_HOST_PROP_PCI_TYPE, pci_type, 211 &error_fatal); 212 sysbus_realize_and_unref(SYS_BUS_DEVICE(phb), &error_fatal); 213 214 pcms->pcibus = PCI_BUS(qdev_get_child_bus(DEVICE(phb), "pci.0")); 215 pci_bus_map_irqs(pcms->pcibus, 216 xen_enabled() ? xen_pci_slot_get_pirq 217 : pc_pci_slot_get_pirq); 218 219 hole64_size = object_property_get_uint(phb, 220 PCI_HOST_PROP_PCI_HOLE64_SIZE, 221 &error_abort); 222 } 223 224 /* allocate ram and load rom/bios */ 225 if (!xen_enabled()) { 226 pc_memory_init(pcms, system_memory, rom_memory, hole64_size); 227 } else { 228 assert(machine->ram_size == x86ms->below_4g_mem_size + 229 x86ms->above_4g_mem_size); 230 231 pc_system_flash_cleanup_unused(pcms); 232 if (machine->kernel_filename != NULL) { 233 /* For xen HVM direct kernel boot, load linux here */ 234 xen_load_linux(pcms); 235 } 236 } 237 238 gsi_state = pc_gsi_create(&x86ms->gsi, pcmc->pci_enabled); 239 240 if (pcmc->pci_enabled) { 241 PCIDevice *pci_dev; 242 DeviceState *dev; 243 size_t i; 244 245 pci_dev = pci_new_multifunction(-1, pcms->south_bridge); 246 object_property_set_bool(OBJECT(pci_dev), "has-usb", 247 machine_usb(machine), &error_abort); 248 object_property_set_bool(OBJECT(pci_dev), "has-acpi", 249 x86_machine_is_acpi_enabled(x86ms), 250 &error_abort); 251 object_property_set_bool(OBJECT(pci_dev), "has-pic", false, 252 &error_abort); 253 object_property_set_bool(OBJECT(pci_dev), "has-pit", false, 254 &error_abort); 255 qdev_prop_set_uint32(DEVICE(pci_dev), "smb_io_base", 0xb100); 256 object_property_set_bool(OBJECT(pci_dev), "smm-enabled", 257 x86_machine_is_smm_enabled(x86ms), 258 &error_abort); 259 dev = DEVICE(pci_dev); 260 for (i = 0; i < ISA_NUM_IRQS; i++) { 261 qdev_connect_gpio_out_named(dev, "isa-irqs", i, x86ms->gsi[i]); 262 } 263 pci_realize_and_unref(pci_dev, pcms->pcibus, &error_fatal); 264 265 if (xen_enabled()) { 266 pci_device_set_intx_routing_notifier( 267 pci_dev, piix_intx_routing_notifier_xen); 268 269 /* 270 * Xen supports additional interrupt routes from the PCI devices to 271 * the IOAPIC: the four pins of each PCI device on the bus are also 272 * connected to the IOAPIC directly. 273 * These additional routes can be discovered through ACPI. 274 */ 275 pci_bus_irqs(pcms->pcibus, xen_intx_set_irq, pci_dev, 276 XEN_IOAPIC_NUM_PIRQS); 277 } 278 279 isa_bus = ISA_BUS(qdev_get_child_bus(DEVICE(pci_dev), "isa.0")); 280 x86ms->rtc = ISA_DEVICE(object_resolve_path_component(OBJECT(pci_dev), 281 "rtc")); 282 piix4_pm = object_resolve_path_component(OBJECT(pci_dev), "pm"); 283 dev = DEVICE(object_resolve_path_component(OBJECT(pci_dev), "ide")); 284 pci_ide_create_devs(PCI_DEVICE(dev)); 285 pcms->idebus[0] = qdev_get_child_bus(dev, "ide.0"); 286 pcms->idebus[1] = qdev_get_child_bus(dev, "ide.1"); 287 } else { 288 uint32_t irq; 289 290 isa_bus = isa_bus_new(NULL, system_memory, system_io, 291 &error_abort); 292 isa_bus_register_input_irqs(isa_bus, x86ms->gsi); 293 294 x86ms->rtc = isa_new(TYPE_MC146818_RTC); 295 qdev_prop_set_int32(DEVICE(x86ms->rtc), "base_year", 2000); 296 isa_realize_and_unref(x86ms->rtc, isa_bus, &error_fatal); 297 irq = object_property_get_uint(OBJECT(x86ms->rtc), "irq", 298 &error_fatal); 299 isa_connect_gpio_out(ISA_DEVICE(x86ms->rtc), 0, irq); 300 301 i8257_dma_init(OBJECT(machine), isa_bus, 0); 302 pcms->hpet_enabled = false; 303 } 304 305 if (x86ms->pic == ON_OFF_AUTO_ON || x86ms->pic == ON_OFF_AUTO_AUTO) { 306 pc_i8259_create(isa_bus, gsi_state->i8259_irq); 307 } 308 309 if (phb) { 310 ioapic_init_gsi(gsi_state, phb); 311 } 312 313 if (tcg_enabled()) { 314 x86_register_ferr_irq(x86ms->gsi[13]); 315 } 316 317 pc_vga_init(isa_bus, pcmc->pci_enabled ? pcms->pcibus : NULL); 318 319 /* init basic PC hardware */ 320 pc_basic_device_init(pcms, isa_bus, x86ms->gsi, x86ms->rtc, 321 !MACHINE_CLASS(pcmc)->no_floppy, 0x4); 322 323 pc_nic_init(pcmc, isa_bus, pcms->pcibus); 324 325 #ifdef CONFIG_IDE_ISA 326 if (!pcmc->pci_enabled) { 327 DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS]; 328 int i; 329 330 ide_drive_get(hd, ARRAY_SIZE(hd)); 331 for (i = 0; i < MAX_IDE_BUS; i++) { 332 ISADevice *dev; 333 char busname[] = "ide.0"; 334 dev = isa_ide_init(isa_bus, ide_iobase[i], ide_iobase2[i], 335 ide_irq[i], 336 hd[MAX_IDE_DEVS * i], hd[MAX_IDE_DEVS * i + 1]); 337 /* 338 * The ide bus name is ide.0 for the first bus and ide.1 for the 339 * second one. 340 */ 341 busname[4] = '0' + i; 342 pcms->idebus[i] = qdev_get_child_bus(DEVICE(dev), busname); 343 } 344 } 345 #endif 346 347 if (piix4_pm) { 348 smi_irq = qemu_allocate_irq(pc_acpi_smi_interrupt, first_cpu, 0); 349 350 qdev_connect_gpio_out_named(DEVICE(piix4_pm), "smi-irq", 0, smi_irq); 351 pcms->smbus = I2C_BUS(qdev_get_child_bus(DEVICE(piix4_pm), "i2c")); 352 /* TODO: Populate SPD eeprom data. */ 353 smbus_eeprom_init(pcms->smbus, 8, NULL, 0); 354 355 object_property_add_link(OBJECT(machine), PC_MACHINE_ACPI_DEVICE_PROP, 356 TYPE_HOTPLUG_HANDLER, 357 (Object **)&x86ms->acpi_dev, 358 object_property_allow_set_link, 359 OBJ_PROP_LINK_STRONG); 360 object_property_set_link(OBJECT(machine), PC_MACHINE_ACPI_DEVICE_PROP, 361 piix4_pm, &error_abort); 362 } 363 364 if (machine->nvdimms_state->is_enabled) { 365 nvdimm_init_acpi_state(machine->nvdimms_state, system_io, 366 x86_nvdimm_acpi_dsmio, 367 x86ms->fw_cfg, OBJECT(pcms)); 368 } 369 370 #if defined(CONFIG_IGVM) 371 /* Apply guest state from IGVM if supplied */ 372 if (x86ms->igvm) { 373 if (IGVM_CFG_GET_CLASS(x86ms->igvm) 374 ->process(x86ms->igvm, machine->cgs, false, &error_fatal) < 0) { 375 g_assert_not_reached(); 376 } 377 } 378 #endif 379 } 380 381 typedef enum PCSouthBridgeOption { 382 PC_SOUTH_BRIDGE_OPTION_PIIX3, 383 PC_SOUTH_BRIDGE_OPTION_PIIX4, 384 PC_SOUTH_BRIDGE_OPTION_MAX, 385 } PCSouthBridgeOption; 386 387 static const QEnumLookup PCSouthBridgeOption_lookup = { 388 .array = (const char *const[]) { 389 [PC_SOUTH_BRIDGE_OPTION_PIIX3] = TYPE_PIIX3_DEVICE, 390 [PC_SOUTH_BRIDGE_OPTION_PIIX4] = TYPE_PIIX4_PCI_DEVICE, 391 }, 392 .size = PC_SOUTH_BRIDGE_OPTION_MAX 393 }; 394 395 static int pc_get_south_bridge(Object *obj, Error **errp) 396 { 397 PCMachineState *pcms = PC_MACHINE(obj); 398 int i; 399 400 for (i = 0; i < PCSouthBridgeOption_lookup.size; i++) { 401 if (g_strcmp0(PCSouthBridgeOption_lookup.array[i], 402 pcms->south_bridge) == 0) { 403 return i; 404 } 405 } 406 407 error_setg(errp, "Invalid south bridge value set"); 408 return 0; 409 } 410 411 static void pc_set_south_bridge(Object *obj, int value, Error **errp) 412 { 413 PCMachineState *pcms = PC_MACHINE(obj); 414 415 if (value < 0) { 416 error_setg(errp, "Value can't be negative"); 417 return; 418 } 419 420 if (value >= PCSouthBridgeOption_lookup.size) { 421 error_setg(errp, "Value too big"); 422 return; 423 } 424 425 pcms->south_bridge = PCSouthBridgeOption_lookup.array[value]; 426 } 427 428 #ifdef CONFIG_ISAPC 429 static void pc_init_isa(MachineState *machine) 430 { 431 pc_init1(machine, NULL); 432 } 433 #endif 434 435 #ifdef CONFIG_XEN 436 static void pc_xen_hvm_init_pci(MachineState *machine) 437 { 438 const char *pci_type = xen_igd_gfx_pt_enabled() ? 439 TYPE_IGD_PASSTHROUGH_I440FX_PCI_DEVICE : TYPE_I440FX_PCI_DEVICE; 440 441 pc_init1(machine, pci_type); 442 } 443 444 static void pc_xen_hvm_init(MachineState *machine) 445 { 446 PCMachineState *pcms = PC_MACHINE(machine); 447 448 if (!xen_enabled()) { 449 error_report("xenfv machine requires the xen accelerator"); 450 exit(1); 451 } 452 453 pc_xen_hvm_init_pci(machine); 454 xen_igd_reserve_slot(pcms->pcibus); 455 pci_create_simple(pcms->pcibus, -1, "xen-platform"); 456 } 457 #endif 458 459 static void pc_i440fx_init(MachineState *machine) 460 { 461 pc_init1(machine, TYPE_I440FX_PCI_DEVICE); 462 } 463 464 #define DEFINE_I440FX_MACHINE(major, minor) \ 465 DEFINE_PC_VER_MACHINE(pc_i440fx, "pc-i440fx", pc_i440fx_init, false, NULL, major, minor); 466 467 #define DEFINE_I440FX_MACHINE_AS_LATEST(major, minor) \ 468 DEFINE_PC_VER_MACHINE(pc_i440fx, "pc-i440fx", pc_i440fx_init, true, "pc", major, minor); 469 470 static void pc_i440fx_machine_options(MachineClass *m) 471 { 472 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 473 ObjectClass *oc = OBJECT_CLASS(m); 474 pcmc->default_south_bridge = TYPE_PIIX3_DEVICE; 475 pcmc->pci_root_uid = 0; 476 pcmc->default_cpu_version = 1; 477 478 m->family = "pc_piix"; 479 m->desc = "Standard PC (i440FX + PIIX, 1996)"; 480 m->default_machine_opts = "firmware=bios-256k.bin"; 481 m->default_display = "std"; 482 m->default_nic = "e1000"; 483 m->no_floppy = !module_object_class_by_name(TYPE_ISA_FDC); 484 m->no_parallel = !module_object_class_by_name(TYPE_ISA_PARALLEL); 485 machine_class_allow_dynamic_sysbus_dev(m, TYPE_RAMFB_DEVICE); 486 machine_class_allow_dynamic_sysbus_dev(m, TYPE_VMBUS_BRIDGE); 487 machine_class_allow_dynamic_sysbus_dev(m, TYPE_UEFI_VARS_X64); 488 489 object_class_property_add_enum(oc, "x-south-bridge", "PCSouthBridgeOption", 490 &PCSouthBridgeOption_lookup, 491 pc_get_south_bridge, 492 pc_set_south_bridge); 493 object_class_property_set_description(oc, "x-south-bridge", 494 "Use a different south bridge than PIIX3"); 495 } 496 497 static void pc_i440fx_machine_10_1_options(MachineClass *m) 498 { 499 pc_i440fx_machine_options(m); 500 } 501 502 DEFINE_I440FX_MACHINE_AS_LATEST(10, 1); 503 504 static void pc_i440fx_machine_10_0_options(MachineClass *m) 505 { 506 pc_i440fx_machine_10_1_options(m); 507 compat_props_add(m->compat_props, hw_compat_10_0, hw_compat_10_0_len); 508 compat_props_add(m->compat_props, pc_compat_10_0, pc_compat_10_0_len); 509 } 510 511 DEFINE_I440FX_MACHINE(10, 0); 512 513 static void pc_i440fx_machine_9_2_options(MachineClass *m) 514 { 515 pc_i440fx_machine_10_0_options(m); 516 compat_props_add(m->compat_props, hw_compat_9_2, hw_compat_9_2_len); 517 compat_props_add(m->compat_props, pc_compat_9_2, pc_compat_9_2_len); 518 } 519 520 DEFINE_I440FX_MACHINE(9, 2); 521 522 static void pc_i440fx_machine_9_1_options(MachineClass *m) 523 { 524 pc_i440fx_machine_9_2_options(m); 525 compat_props_add(m->compat_props, hw_compat_9_1, hw_compat_9_1_len); 526 compat_props_add(m->compat_props, pc_compat_9_1, pc_compat_9_1_len); 527 } 528 529 DEFINE_I440FX_MACHINE(9, 1); 530 531 static void pc_i440fx_machine_9_0_options(MachineClass *m) 532 { 533 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 534 535 pc_i440fx_machine_9_1_options(m); 536 m->smbios_memory_device_size = 16 * GiB; 537 538 compat_props_add(m->compat_props, hw_compat_9_0, hw_compat_9_0_len); 539 compat_props_add(m->compat_props, pc_compat_9_0, pc_compat_9_0_len); 540 pcmc->isa_bios_alias = false; 541 } 542 543 DEFINE_I440FX_MACHINE(9, 0); 544 545 static void pc_i440fx_machine_8_2_options(MachineClass *m) 546 { 547 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 548 549 pc_i440fx_machine_9_0_options(m); 550 551 compat_props_add(m->compat_props, hw_compat_8_2, hw_compat_8_2_len); 552 compat_props_add(m->compat_props, pc_compat_8_2, pc_compat_8_2_len); 553 /* For pc-i44fx-8.2 and 8.1, use SMBIOS 3.X by default */ 554 pcmc->default_smbios_ep_type = SMBIOS_ENTRY_POINT_TYPE_64; 555 } 556 557 DEFINE_I440FX_MACHINE(8, 2); 558 559 static void pc_i440fx_machine_8_1_options(MachineClass *m) 560 { 561 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 562 563 pc_i440fx_machine_8_2_options(m); 564 pcmc->broken_32bit_mem_addr_check = true; 565 566 compat_props_add(m->compat_props, hw_compat_8_1, hw_compat_8_1_len); 567 compat_props_add(m->compat_props, pc_compat_8_1, pc_compat_8_1_len); 568 } 569 570 DEFINE_I440FX_MACHINE(8, 1); 571 572 static void pc_i440fx_machine_8_0_options(MachineClass *m) 573 { 574 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 575 576 pc_i440fx_machine_8_1_options(m); 577 compat_props_add(m->compat_props, hw_compat_8_0, hw_compat_8_0_len); 578 compat_props_add(m->compat_props, pc_compat_8_0, pc_compat_8_0_len); 579 580 /* For pc-i44fx-8.0 and older, use SMBIOS 2.8 by default */ 581 pcmc->default_smbios_ep_type = SMBIOS_ENTRY_POINT_TYPE_32; 582 } 583 584 DEFINE_I440FX_MACHINE(8, 0); 585 586 static void pc_i440fx_machine_7_2_options(MachineClass *m) 587 { 588 pc_i440fx_machine_8_0_options(m); 589 compat_props_add(m->compat_props, hw_compat_7_2, hw_compat_7_2_len); 590 compat_props_add(m->compat_props, pc_compat_7_2, pc_compat_7_2_len); 591 } 592 593 DEFINE_I440FX_MACHINE(7, 2) 594 595 static void pc_i440fx_machine_7_1_options(MachineClass *m) 596 { 597 pc_i440fx_machine_7_2_options(m); 598 compat_props_add(m->compat_props, hw_compat_7_1, hw_compat_7_1_len); 599 compat_props_add(m->compat_props, pc_compat_7_1, pc_compat_7_1_len); 600 } 601 602 DEFINE_I440FX_MACHINE(7, 1); 603 604 static void pc_i440fx_machine_7_0_options(MachineClass *m) 605 { 606 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 607 pc_i440fx_machine_7_1_options(m); 608 pcmc->enforce_amd_1tb_hole = false; 609 compat_props_add(m->compat_props, hw_compat_7_0, hw_compat_7_0_len); 610 compat_props_add(m->compat_props, pc_compat_7_0, pc_compat_7_0_len); 611 } 612 613 DEFINE_I440FX_MACHINE(7, 0); 614 615 static void pc_i440fx_machine_6_2_options(MachineClass *m) 616 { 617 pc_i440fx_machine_7_0_options(m); 618 compat_props_add(m->compat_props, hw_compat_6_2, hw_compat_6_2_len); 619 compat_props_add(m->compat_props, pc_compat_6_2, pc_compat_6_2_len); 620 } 621 622 DEFINE_I440FX_MACHINE(6, 2); 623 624 static void pc_i440fx_machine_6_1_options(MachineClass *m) 625 { 626 pc_i440fx_machine_6_2_options(m); 627 compat_props_add(m->compat_props, hw_compat_6_1, hw_compat_6_1_len); 628 compat_props_add(m->compat_props, pc_compat_6_1, pc_compat_6_1_len); 629 m->smp_props.prefer_sockets = true; 630 } 631 632 DEFINE_I440FX_MACHINE(6, 1); 633 634 static void pc_i440fx_machine_6_0_options(MachineClass *m) 635 { 636 pc_i440fx_machine_6_1_options(m); 637 compat_props_add(m->compat_props, hw_compat_6_0, hw_compat_6_0_len); 638 compat_props_add(m->compat_props, pc_compat_6_0, pc_compat_6_0_len); 639 } 640 641 DEFINE_I440FX_MACHINE(6, 0); 642 643 static void pc_i440fx_machine_5_2_options(MachineClass *m) 644 { 645 pc_i440fx_machine_6_0_options(m); 646 compat_props_add(m->compat_props, hw_compat_5_2, hw_compat_5_2_len); 647 compat_props_add(m->compat_props, pc_compat_5_2, pc_compat_5_2_len); 648 } 649 650 DEFINE_I440FX_MACHINE(5, 2); 651 652 static void pc_i440fx_machine_5_1_options(MachineClass *m) 653 { 654 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 655 656 pc_i440fx_machine_5_2_options(m); 657 compat_props_add(m->compat_props, hw_compat_5_1, hw_compat_5_1_len); 658 compat_props_add(m->compat_props, pc_compat_5_1, pc_compat_5_1_len); 659 pcmc->kvmclock_create_always = false; 660 pcmc->pci_root_uid = 1; 661 } 662 663 DEFINE_I440FX_MACHINE(5, 1); 664 665 static void pc_i440fx_machine_5_0_options(MachineClass *m) 666 { 667 pc_i440fx_machine_5_1_options(m); 668 m->numa_mem_supported = true; 669 compat_props_add(m->compat_props, hw_compat_5_0, hw_compat_5_0_len); 670 compat_props_add(m->compat_props, pc_compat_5_0, pc_compat_5_0_len); 671 m->auto_enable_numa_with_memdev = false; 672 } 673 674 DEFINE_I440FX_MACHINE(5, 0); 675 676 static void pc_i440fx_machine_4_2_options(MachineClass *m) 677 { 678 pc_i440fx_machine_5_0_options(m); 679 compat_props_add(m->compat_props, hw_compat_4_2, hw_compat_4_2_len); 680 compat_props_add(m->compat_props, pc_compat_4_2, pc_compat_4_2_len); 681 } 682 683 DEFINE_I440FX_MACHINE(4, 2); 684 685 static void pc_i440fx_machine_4_1_options(MachineClass *m) 686 { 687 pc_i440fx_machine_4_2_options(m); 688 compat_props_add(m->compat_props, hw_compat_4_1, hw_compat_4_1_len); 689 compat_props_add(m->compat_props, pc_compat_4_1, pc_compat_4_1_len); 690 } 691 692 DEFINE_I440FX_MACHINE(4, 1); 693 694 static void pc_i440fx_machine_4_0_options(MachineClass *m) 695 { 696 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 697 pc_i440fx_machine_4_1_options(m); 698 pcmc->default_cpu_version = CPU_VERSION_LEGACY; 699 compat_props_add(m->compat_props, hw_compat_4_0, hw_compat_4_0_len); 700 compat_props_add(m->compat_props, pc_compat_4_0, pc_compat_4_0_len); 701 } 702 703 DEFINE_I440FX_MACHINE(4, 0); 704 705 static void pc_i440fx_machine_3_1_options(MachineClass *m) 706 { 707 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 708 709 pc_i440fx_machine_4_0_options(m); 710 m->smbus_no_migration_support = true; 711 pcmc->pvh_enabled = false; 712 compat_props_add(m->compat_props, hw_compat_3_1, hw_compat_3_1_len); 713 compat_props_add(m->compat_props, pc_compat_3_1, pc_compat_3_1_len); 714 } 715 716 DEFINE_I440FX_MACHINE(3, 1); 717 718 static void pc_i440fx_machine_3_0_options(MachineClass *m) 719 { 720 pc_i440fx_machine_3_1_options(m); 721 compat_props_add(m->compat_props, hw_compat_3_0, hw_compat_3_0_len); 722 compat_props_add(m->compat_props, pc_compat_3_0, pc_compat_3_0_len); 723 } 724 725 DEFINE_I440FX_MACHINE(3, 0); 726 727 static void pc_i440fx_machine_2_12_options(MachineClass *m) 728 { 729 pc_i440fx_machine_3_0_options(m); 730 compat_props_add(m->compat_props, hw_compat_2_12, hw_compat_2_12_len); 731 compat_props_add(m->compat_props, pc_compat_2_12, pc_compat_2_12_len); 732 } 733 734 DEFINE_I440FX_MACHINE(2, 12); 735 736 static void pc_i440fx_machine_2_11_options(MachineClass *m) 737 { 738 pc_i440fx_machine_2_12_options(m); 739 compat_props_add(m->compat_props, hw_compat_2_11, hw_compat_2_11_len); 740 compat_props_add(m->compat_props, pc_compat_2_11, pc_compat_2_11_len); 741 } 742 743 DEFINE_I440FX_MACHINE(2, 11); 744 745 static void pc_i440fx_machine_2_10_options(MachineClass *m) 746 { 747 pc_i440fx_machine_2_11_options(m); 748 compat_props_add(m->compat_props, hw_compat_2_10, hw_compat_2_10_len); 749 compat_props_add(m->compat_props, pc_compat_2_10, pc_compat_2_10_len); 750 m->auto_enable_numa_with_memhp = false; 751 } 752 753 DEFINE_I440FX_MACHINE(2, 10); 754 755 static void pc_i440fx_machine_2_9_options(MachineClass *m) 756 { 757 pc_i440fx_machine_2_10_options(m); 758 compat_props_add(m->compat_props, hw_compat_2_9, hw_compat_2_9_len); 759 compat_props_add(m->compat_props, pc_compat_2_9, pc_compat_2_9_len); 760 } 761 762 DEFINE_I440FX_MACHINE(2, 9); 763 764 static void pc_i440fx_machine_2_8_options(MachineClass *m) 765 { 766 pc_i440fx_machine_2_9_options(m); 767 compat_props_add(m->compat_props, hw_compat_2_8, hw_compat_2_8_len); 768 compat_props_add(m->compat_props, pc_compat_2_8, pc_compat_2_8_len); 769 } 770 771 DEFINE_I440FX_MACHINE(2, 8); 772 773 static void pc_i440fx_machine_2_7_options(MachineClass *m) 774 { 775 pc_i440fx_machine_2_8_options(m); 776 compat_props_add(m->compat_props, hw_compat_2_7, hw_compat_2_7_len); 777 compat_props_add(m->compat_props, pc_compat_2_7, pc_compat_2_7_len); 778 } 779 780 DEFINE_I440FX_MACHINE(2, 7); 781 782 static void pc_i440fx_machine_2_6_options(MachineClass *m) 783 { 784 X86MachineClass *x86mc = X86_MACHINE_CLASS(m); 785 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 786 787 pc_i440fx_machine_2_7_options(m); 788 pcmc->legacy_cpu_hotplug = true; 789 x86mc->fwcfg_dma_enabled = false; 790 compat_props_add(m->compat_props, hw_compat_2_6, hw_compat_2_6_len); 791 compat_props_add(m->compat_props, pc_compat_2_6, pc_compat_2_6_len); 792 } 793 794 DEFINE_I440FX_MACHINE(2, 6); 795 796 #ifdef CONFIG_ISAPC 797 static void isapc_machine_options(MachineClass *m) 798 { 799 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 800 m->desc = "ISA-only PC"; 801 m->max_cpus = 1; 802 m->option_rom_has_mr = true; 803 m->rom_file_has_mr = false; 804 pcmc->pci_enabled = false; 805 pcmc->has_acpi_build = false; 806 pcmc->smbios_defaults = false; 807 pcmc->gigabyte_align = false; 808 pcmc->smbios_legacy_mode = true; 809 pcmc->has_reserved_memory = false; 810 m->default_nic = "ne2k_isa"; 811 m->default_cpu_type = X86_CPU_TYPE_NAME("486"); 812 m->no_floppy = !module_object_class_by_name(TYPE_ISA_FDC); 813 m->no_parallel = !module_object_class_by_name(TYPE_ISA_PARALLEL); 814 } 815 816 DEFINE_PC_MACHINE(isapc, "isapc", pc_init_isa, 817 isapc_machine_options); 818 #endif 819 820 #ifdef CONFIG_XEN 821 static void xenfv_machine_4_2_options(MachineClass *m) 822 { 823 pc_i440fx_machine_4_2_options(m); 824 m->desc = "Xen Fully-virtualized PC"; 825 m->max_cpus = HVM_MAX_VCPUS; 826 m->default_machine_opts = "accel=xen,suppress-vmdesc=on"; 827 } 828 829 DEFINE_PC_MACHINE(xenfv_4_2, "xenfv-4.2", pc_xen_hvm_init, 830 xenfv_machine_4_2_options); 831 832 static void xenfv_machine_3_1_options(MachineClass *m) 833 { 834 pc_i440fx_machine_3_1_options(m); 835 m->desc = "Xen Fully-virtualized PC"; 836 m->alias = "xenfv"; 837 m->max_cpus = HVM_MAX_VCPUS; 838 m->default_machine_opts = "accel=xen,suppress-vmdesc=on"; 839 } 840 841 DEFINE_PC_MACHINE(xenfv, "xenfv-3.1", pc_xen_hvm_init, 842 xenfv_machine_3_1_options); 843 #endif 844