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 "sysemu/kvm.h" 47 #include "hw/i386/kvm/clock.h" 48 #include "hw/sysbus.h" 49 #include "hw/i2c/smbus_eeprom.h" 50 #include "exec/memory.h" 51 #include "hw/acpi/acpi.h" 52 #include "qapi/error.h" 53 #include "qemu/error-report.h" 54 #include "sysemu/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 "sysemu/numa.h" 65 #include "hw/hyperv/vmbus-bridge.h" 66 #include "hw/mem/nvdimm.h" 67 #include "hw/i386/acpi-build.h" 68 #include "kvm/kvm-cpu.h" 69 #include "target/i386/cpu.h" 70 71 #define XEN_IOAPIC_NUM_PIRQS 128ULL 72 73 #ifdef CONFIG_IDE_ISA 74 static const int ide_iobase[MAX_IDE_BUS] = { 0x1f0, 0x170 }; 75 static const int ide_iobase2[MAX_IDE_BUS] = { 0x3f6, 0x376 }; 76 static const int ide_irq[MAX_IDE_BUS] = { 14, 15 }; 77 #endif 78 79 /* 80 * Return the global irq number corresponding to a given device irq 81 * pin. We could also use the bus number to have a more precise mapping. 82 */ 83 static int pc_pci_slot_get_pirq(PCIDevice *pci_dev, int pci_intx) 84 { 85 int slot_addend; 86 slot_addend = PCI_SLOT(pci_dev->devfn) - 1; 87 return (pci_intx + slot_addend) & 3; 88 } 89 90 static void piix_intx_routing_notifier_xen(PCIDevice *dev) 91 { 92 int i; 93 94 /* Scan for updates to PCI link routes. */ 95 for (i = 0; i < PIIX_NUM_PIRQS; i++) { 96 const PCIINTxRoute route = pci_device_route_intx_to_irq(dev, i); 97 const uint8_t v = route.mode == PCI_INTX_ENABLED ? route.irq : 0; 98 xen_set_pci_link_route(i, v); 99 } 100 } 101 102 /* PC hardware initialisation */ 103 static void pc_init1(MachineState *machine, 104 const char *host_type, 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(host_type)); 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 if (machine->kernel_filename != NULL) { 232 /* For xen HVM direct kernel boot, load linux here */ 233 xen_load_linux(pcms); 234 } 235 } 236 237 gsi_state = pc_gsi_create(&x86ms->gsi, pcmc->pci_enabled); 238 239 if (pcmc->pci_enabled) { 240 PCIDevice *pci_dev; 241 DeviceState *dev; 242 size_t i; 243 244 pci_dev = pci_new_multifunction(-1, pcms->south_bridge); 245 object_property_set_bool(OBJECT(pci_dev), "has-usb", 246 machine_usb(machine), &error_abort); 247 object_property_set_bool(OBJECT(pci_dev), "has-acpi", 248 x86_machine_is_acpi_enabled(x86ms), 249 &error_abort); 250 object_property_set_bool(OBJECT(pci_dev), "has-pic", false, 251 &error_abort); 252 object_property_set_bool(OBJECT(pci_dev), "has-pit", false, 253 &error_abort); 254 qdev_prop_set_uint32(DEVICE(pci_dev), "smb_io_base", 0xb100); 255 object_property_set_bool(OBJECT(pci_dev), "smm-enabled", 256 x86_machine_is_smm_enabled(x86ms), 257 &error_abort); 258 dev = DEVICE(pci_dev); 259 for (i = 0; i < ISA_NUM_IRQS; i++) { 260 qdev_connect_gpio_out_named(dev, "isa-irqs", i, x86ms->gsi[i]); 261 } 262 pci_realize_and_unref(pci_dev, pcms->pcibus, &error_fatal); 263 264 if (xen_enabled()) { 265 pci_device_set_intx_routing_notifier( 266 pci_dev, piix_intx_routing_notifier_xen); 267 268 /* 269 * Xen supports additional interrupt routes from the PCI devices to 270 * the IOAPIC: the four pins of each PCI device on the bus are also 271 * connected to the IOAPIC directly. 272 * These additional routes can be discovered through ACPI. 273 */ 274 pci_bus_irqs(pcms->pcibus, xen_intx_set_irq, pci_dev, 275 XEN_IOAPIC_NUM_PIRQS); 276 } 277 278 isa_bus = ISA_BUS(qdev_get_child_bus(DEVICE(pci_dev), "isa.0")); 279 x86ms->rtc = ISA_DEVICE(object_resolve_path_component(OBJECT(pci_dev), 280 "rtc")); 281 piix4_pm = object_resolve_path_component(OBJECT(pci_dev), "pm"); 282 dev = DEVICE(object_resolve_path_component(OBJECT(pci_dev), "ide")); 283 pci_ide_create_devs(PCI_DEVICE(dev)); 284 pcms->idebus[0] = qdev_get_child_bus(dev, "ide.0"); 285 pcms->idebus[1] = qdev_get_child_bus(dev, "ide.1"); 286 } else { 287 isa_bus = isa_bus_new(NULL, system_memory, system_io, 288 &error_abort); 289 isa_bus_register_input_irqs(isa_bus, x86ms->gsi); 290 291 x86ms->rtc = isa_new(TYPE_MC146818_RTC); 292 qdev_prop_set_int32(DEVICE(x86ms->rtc), "base_year", 2000); 293 isa_realize_and_unref(x86ms->rtc, isa_bus, &error_fatal); 294 295 i8257_dma_init(OBJECT(machine), isa_bus, 0); 296 pcms->hpet_enabled = false; 297 } 298 299 if (x86ms->pic == ON_OFF_AUTO_ON || x86ms->pic == ON_OFF_AUTO_AUTO) { 300 pc_i8259_create(isa_bus, gsi_state->i8259_irq); 301 } 302 303 if (phb) { 304 ioapic_init_gsi(gsi_state, phb); 305 } 306 307 if (tcg_enabled()) { 308 x86_register_ferr_irq(x86ms->gsi[13]); 309 } 310 311 pc_vga_init(isa_bus, pcmc->pci_enabled ? pcms->pcibus : NULL); 312 313 assert(pcms->vmport != ON_OFF_AUTO__MAX); 314 if (pcms->vmport == ON_OFF_AUTO_AUTO) { 315 pcms->vmport = xen_enabled() ? ON_OFF_AUTO_OFF : ON_OFF_AUTO_ON; 316 } 317 318 /* init basic PC hardware */ 319 pc_basic_device_init(pcms, isa_bus, x86ms->gsi, x86ms->rtc, true, 320 0x4); 321 322 pc_nic_init(pcmc, isa_bus, pcms->pcibus); 323 324 #ifdef CONFIG_IDE_ISA 325 if (!pcmc->pci_enabled) { 326 DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS]; 327 int i; 328 329 ide_drive_get(hd, ARRAY_SIZE(hd)); 330 for (i = 0; i < MAX_IDE_BUS; i++) { 331 ISADevice *dev; 332 char busname[] = "ide.0"; 333 dev = isa_ide_init(isa_bus, ide_iobase[i], ide_iobase2[i], 334 ide_irq[i], 335 hd[MAX_IDE_DEVS * i], hd[MAX_IDE_DEVS * i + 1]); 336 /* 337 * The ide bus name is ide.0 for the first bus and ide.1 for the 338 * second one. 339 */ 340 busname[4] = '0' + i; 341 pcms->idebus[i] = qdev_get_child_bus(DEVICE(dev), busname); 342 } 343 } 344 #endif 345 346 pc_cmos_init(pcms, x86ms->rtc); 347 348 if (piix4_pm) { 349 smi_irq = qemu_allocate_irq(pc_acpi_smi_interrupt, first_cpu, 0); 350 351 qdev_connect_gpio_out_named(DEVICE(piix4_pm), "smi-irq", 0, smi_irq); 352 pcms->smbus = I2C_BUS(qdev_get_child_bus(DEVICE(piix4_pm), "i2c")); 353 /* TODO: Populate SPD eeprom data. */ 354 smbus_eeprom_init(pcms->smbus, 8, NULL, 0); 355 356 object_property_add_link(OBJECT(machine), PC_MACHINE_ACPI_DEVICE_PROP, 357 TYPE_HOTPLUG_HANDLER, 358 (Object **)&x86ms->acpi_dev, 359 object_property_allow_set_link, 360 OBJ_PROP_LINK_STRONG); 361 object_property_set_link(OBJECT(machine), PC_MACHINE_ACPI_DEVICE_PROP, 362 piix4_pm, &error_abort); 363 } 364 365 if (machine->nvdimms_state->is_enabled) { 366 nvdimm_init_acpi_state(machine->nvdimms_state, system_io, 367 x86_nvdimm_acpi_dsmio, 368 x86ms->fw_cfg, OBJECT(pcms)); 369 } 370 } 371 372 typedef enum PCSouthBridgeOption { 373 PC_SOUTH_BRIDGE_OPTION_PIIX3, 374 PC_SOUTH_BRIDGE_OPTION_PIIX4, 375 PC_SOUTH_BRIDGE_OPTION_MAX, 376 } PCSouthBridgeOption; 377 378 static const QEnumLookup PCSouthBridgeOption_lookup = { 379 .array = (const char *const[]) { 380 [PC_SOUTH_BRIDGE_OPTION_PIIX3] = TYPE_PIIX3_DEVICE, 381 [PC_SOUTH_BRIDGE_OPTION_PIIX4] = TYPE_PIIX4_PCI_DEVICE, 382 }, 383 .size = PC_SOUTH_BRIDGE_OPTION_MAX 384 }; 385 386 #define NotifyVmexitOption_str(val) \ 387 qapi_enum_lookup(&NotifyVmexitOption_lookup, (val)) 388 389 static int pc_get_south_bridge(Object *obj, Error **errp) 390 { 391 PCMachineState *pcms = PC_MACHINE(obj); 392 int i; 393 394 for (i = 0; i < PCSouthBridgeOption_lookup.size; i++) { 395 if (g_strcmp0(PCSouthBridgeOption_lookup.array[i], 396 pcms->south_bridge) == 0) { 397 return i; 398 } 399 } 400 401 error_setg(errp, "Invalid south bridge value set"); 402 return 0; 403 } 404 405 static void pc_set_south_bridge(Object *obj, int value, Error **errp) 406 { 407 PCMachineState *pcms = PC_MACHINE(obj); 408 409 if (value < 0) { 410 error_setg(errp, "Value can't be negative"); 411 return; 412 } 413 414 if (value >= PCSouthBridgeOption_lookup.size) { 415 error_setg(errp, "Value too big"); 416 return; 417 } 418 419 pcms->south_bridge = PCSouthBridgeOption_lookup.array[value]; 420 } 421 422 /* Looking for a pc_compat_2_4() function? It doesn't exist. 423 * pc_compat_*() functions that run on machine-init time and 424 * change global QEMU state are deprecated. Please don't create 425 * one, and implement any pc-*-2.4 (and newer) compat code in 426 * hw_compat_*, pc_compat_*, or * pc_*_machine_options(). 427 */ 428 429 static void pc_compat_2_3_fn(MachineState *machine) 430 { 431 X86MachineState *x86ms = X86_MACHINE(machine); 432 if (kvm_enabled()) { 433 x86ms->smm = ON_OFF_AUTO_OFF; 434 } 435 } 436 437 static void pc_compat_2_2_fn(MachineState *machine) 438 { 439 pc_compat_2_3_fn(machine); 440 } 441 442 static void pc_compat_2_1_fn(MachineState *machine) 443 { 444 pc_compat_2_2_fn(machine); 445 x86_cpu_change_kvm_default("svm", NULL); 446 } 447 448 static void pc_compat_2_0_fn(MachineState *machine) 449 { 450 pc_compat_2_1_fn(machine); 451 } 452 453 #ifdef CONFIG_ISAPC 454 static void pc_init_isa(MachineState *machine) 455 { 456 pc_init1(machine, TYPE_I440FX_PCI_HOST_BRIDGE, TYPE_I440FX_PCI_DEVICE); 457 } 458 #endif 459 460 #ifdef CONFIG_XEN 461 static void pc_xen_hvm_init_pci(MachineState *machine) 462 { 463 const char *pci_type = xen_igd_gfx_pt_enabled() ? 464 TYPE_IGD_PASSTHROUGH_I440FX_PCI_DEVICE : TYPE_I440FX_PCI_DEVICE; 465 466 pc_init1(machine, 467 TYPE_I440FX_PCI_HOST_BRIDGE, 468 pci_type); 469 } 470 471 static void pc_xen_hvm_init(MachineState *machine) 472 { 473 PCMachineState *pcms = PC_MACHINE(machine); 474 475 if (!xen_enabled()) { 476 error_report("xenfv machine requires the xen accelerator"); 477 exit(1); 478 } 479 480 pc_xen_hvm_init_pci(machine); 481 xen_igd_reserve_slot(pcms->pcibus); 482 pci_create_simple(pcms->pcibus, -1, "xen-platform"); 483 } 484 #endif 485 486 #define DEFINE_I440FX_MACHINE(suffix, name, compatfn, optionfn) \ 487 static void pc_init_##suffix(MachineState *machine) \ 488 { \ 489 void (*compat)(MachineState *m) = (compatfn); \ 490 if (compat) { \ 491 compat(machine); \ 492 } \ 493 pc_init1(machine, TYPE_I440FX_PCI_HOST_BRIDGE, \ 494 TYPE_I440FX_PCI_DEVICE); \ 495 } \ 496 DEFINE_PC_MACHINE(suffix, name, pc_init_##suffix, optionfn) 497 498 static void pc_i440fx_machine_options(MachineClass *m) 499 { 500 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 501 ObjectClass *oc = OBJECT_CLASS(m); 502 pcmc->default_south_bridge = TYPE_PIIX3_DEVICE; 503 pcmc->pci_root_uid = 0; 504 pcmc->default_cpu_version = 1; 505 506 m->family = "pc_piix"; 507 m->desc = "Standard PC (i440FX + PIIX, 1996)"; 508 m->default_machine_opts = "firmware=bios-256k.bin"; 509 m->default_display = "std"; 510 m->default_nic = "e1000"; 511 m->no_parallel = !module_object_class_by_name(TYPE_ISA_PARALLEL); 512 machine_class_allow_dynamic_sysbus_dev(m, TYPE_RAMFB_DEVICE); 513 machine_class_allow_dynamic_sysbus_dev(m, TYPE_VMBUS_BRIDGE); 514 515 object_class_property_add_enum(oc, "x-south-bridge", "PCSouthBridgeOption", 516 &PCSouthBridgeOption_lookup, 517 pc_get_south_bridge, 518 pc_set_south_bridge); 519 object_class_property_set_description(oc, "x-south-bridge", 520 "Use a different south bridge than PIIX3"); 521 } 522 523 static void pc_i440fx_9_0_machine_options(MachineClass *m) 524 { 525 pc_i440fx_machine_options(m); 526 m->alias = "pc"; 527 m->is_default = true; 528 } 529 530 DEFINE_I440FX_MACHINE(v9_0, "pc-i440fx-9.0", NULL, 531 pc_i440fx_9_0_machine_options); 532 533 static void pc_i440fx_8_2_machine_options(MachineClass *m) 534 { 535 pc_i440fx_9_0_machine_options(m); 536 m->alias = NULL; 537 m->is_default = false; 538 539 compat_props_add(m->compat_props, hw_compat_8_2, hw_compat_8_2_len); 540 compat_props_add(m->compat_props, pc_compat_8_2, pc_compat_8_2_len); 541 } 542 543 DEFINE_I440FX_MACHINE(v8_2, "pc-i440fx-8.2", NULL, 544 pc_i440fx_8_2_machine_options); 545 546 static void pc_i440fx_8_1_machine_options(MachineClass *m) 547 { 548 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 549 550 pc_i440fx_8_2_machine_options(m); 551 pcmc->broken_32bit_mem_addr_check = true; 552 553 compat_props_add(m->compat_props, hw_compat_8_1, hw_compat_8_1_len); 554 compat_props_add(m->compat_props, pc_compat_8_1, pc_compat_8_1_len); 555 } 556 557 DEFINE_I440FX_MACHINE(v8_1, "pc-i440fx-8.1", NULL, 558 pc_i440fx_8_1_machine_options); 559 560 static void pc_i440fx_8_0_machine_options(MachineClass *m) 561 { 562 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 563 564 pc_i440fx_8_1_machine_options(m); 565 compat_props_add(m->compat_props, hw_compat_8_0, hw_compat_8_0_len); 566 compat_props_add(m->compat_props, pc_compat_8_0, pc_compat_8_0_len); 567 568 /* For pc-i44fx-8.0 and older, use SMBIOS 2.8 by default */ 569 pcmc->default_smbios_ep_type = SMBIOS_ENTRY_POINT_TYPE_32; 570 } 571 572 DEFINE_I440FX_MACHINE(v8_0, "pc-i440fx-8.0", NULL, 573 pc_i440fx_8_0_machine_options); 574 575 static void pc_i440fx_7_2_machine_options(MachineClass *m) 576 { 577 pc_i440fx_8_0_machine_options(m); 578 compat_props_add(m->compat_props, hw_compat_7_2, hw_compat_7_2_len); 579 compat_props_add(m->compat_props, pc_compat_7_2, pc_compat_7_2_len); 580 } 581 582 DEFINE_I440FX_MACHINE(v7_2, "pc-i440fx-7.2", NULL, 583 pc_i440fx_7_2_machine_options); 584 585 static void pc_i440fx_7_1_machine_options(MachineClass *m) 586 { 587 pc_i440fx_7_2_machine_options(m); 588 compat_props_add(m->compat_props, hw_compat_7_1, hw_compat_7_1_len); 589 compat_props_add(m->compat_props, pc_compat_7_1, pc_compat_7_1_len); 590 } 591 592 DEFINE_I440FX_MACHINE(v7_1, "pc-i440fx-7.1", NULL, 593 pc_i440fx_7_1_machine_options); 594 595 static void pc_i440fx_7_0_machine_options(MachineClass *m) 596 { 597 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 598 pc_i440fx_7_1_machine_options(m); 599 pcmc->enforce_amd_1tb_hole = false; 600 compat_props_add(m->compat_props, hw_compat_7_0, hw_compat_7_0_len); 601 compat_props_add(m->compat_props, pc_compat_7_0, pc_compat_7_0_len); 602 } 603 604 DEFINE_I440FX_MACHINE(v7_0, "pc-i440fx-7.0", NULL, 605 pc_i440fx_7_0_machine_options); 606 607 static void pc_i440fx_6_2_machine_options(MachineClass *m) 608 { 609 pc_i440fx_7_0_machine_options(m); 610 compat_props_add(m->compat_props, hw_compat_6_2, hw_compat_6_2_len); 611 compat_props_add(m->compat_props, pc_compat_6_2, pc_compat_6_2_len); 612 } 613 614 DEFINE_I440FX_MACHINE(v6_2, "pc-i440fx-6.2", NULL, 615 pc_i440fx_6_2_machine_options); 616 617 static void pc_i440fx_6_1_machine_options(MachineClass *m) 618 { 619 pc_i440fx_6_2_machine_options(m); 620 compat_props_add(m->compat_props, hw_compat_6_1, hw_compat_6_1_len); 621 compat_props_add(m->compat_props, pc_compat_6_1, pc_compat_6_1_len); 622 m->smp_props.prefer_sockets = true; 623 } 624 625 DEFINE_I440FX_MACHINE(v6_1, "pc-i440fx-6.1", NULL, 626 pc_i440fx_6_1_machine_options); 627 628 static void pc_i440fx_6_0_machine_options(MachineClass *m) 629 { 630 pc_i440fx_6_1_machine_options(m); 631 compat_props_add(m->compat_props, hw_compat_6_0, hw_compat_6_0_len); 632 compat_props_add(m->compat_props, pc_compat_6_0, pc_compat_6_0_len); 633 } 634 635 DEFINE_I440FX_MACHINE(v6_0, "pc-i440fx-6.0", NULL, 636 pc_i440fx_6_0_machine_options); 637 638 static void pc_i440fx_5_2_machine_options(MachineClass *m) 639 { 640 pc_i440fx_6_0_machine_options(m); 641 compat_props_add(m->compat_props, hw_compat_5_2, hw_compat_5_2_len); 642 compat_props_add(m->compat_props, pc_compat_5_2, pc_compat_5_2_len); 643 } 644 645 DEFINE_I440FX_MACHINE(v5_2, "pc-i440fx-5.2", NULL, 646 pc_i440fx_5_2_machine_options); 647 648 static void pc_i440fx_5_1_machine_options(MachineClass *m) 649 { 650 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 651 652 pc_i440fx_5_2_machine_options(m); 653 compat_props_add(m->compat_props, hw_compat_5_1, hw_compat_5_1_len); 654 compat_props_add(m->compat_props, pc_compat_5_1, pc_compat_5_1_len); 655 pcmc->kvmclock_create_always = false; 656 pcmc->pci_root_uid = 1; 657 } 658 659 DEFINE_I440FX_MACHINE(v5_1, "pc-i440fx-5.1", NULL, 660 pc_i440fx_5_1_machine_options); 661 662 static void pc_i440fx_5_0_machine_options(MachineClass *m) 663 { 664 pc_i440fx_5_1_machine_options(m); 665 m->numa_mem_supported = true; 666 compat_props_add(m->compat_props, hw_compat_5_0, hw_compat_5_0_len); 667 compat_props_add(m->compat_props, pc_compat_5_0, pc_compat_5_0_len); 668 m->auto_enable_numa_with_memdev = false; 669 } 670 671 DEFINE_I440FX_MACHINE(v5_0, "pc-i440fx-5.0", NULL, 672 pc_i440fx_5_0_machine_options); 673 674 static void pc_i440fx_4_2_machine_options(MachineClass *m) 675 { 676 pc_i440fx_5_0_machine_options(m); 677 compat_props_add(m->compat_props, hw_compat_4_2, hw_compat_4_2_len); 678 compat_props_add(m->compat_props, pc_compat_4_2, pc_compat_4_2_len); 679 } 680 681 DEFINE_I440FX_MACHINE(v4_2, "pc-i440fx-4.2", NULL, 682 pc_i440fx_4_2_machine_options); 683 684 static void pc_i440fx_4_1_machine_options(MachineClass *m) 685 { 686 pc_i440fx_4_2_machine_options(m); 687 compat_props_add(m->compat_props, hw_compat_4_1, hw_compat_4_1_len); 688 compat_props_add(m->compat_props, pc_compat_4_1, pc_compat_4_1_len); 689 } 690 691 DEFINE_I440FX_MACHINE(v4_1, "pc-i440fx-4.1", NULL, 692 pc_i440fx_4_1_machine_options); 693 694 static void pc_i440fx_4_0_machine_options(MachineClass *m) 695 { 696 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 697 pc_i440fx_4_1_machine_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(v4_0, "pc-i440fx-4.0", NULL, 704 pc_i440fx_4_0_machine_options); 705 706 static void pc_i440fx_3_1_machine_options(MachineClass *m) 707 { 708 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 709 710 pc_i440fx_4_0_machine_options(m); 711 m->smbus_no_migration_support = true; 712 pcmc->pvh_enabled = false; 713 compat_props_add(m->compat_props, hw_compat_3_1, hw_compat_3_1_len); 714 compat_props_add(m->compat_props, pc_compat_3_1, pc_compat_3_1_len); 715 } 716 717 DEFINE_I440FX_MACHINE(v3_1, "pc-i440fx-3.1", NULL, 718 pc_i440fx_3_1_machine_options); 719 720 static void pc_i440fx_3_0_machine_options(MachineClass *m) 721 { 722 pc_i440fx_3_1_machine_options(m); 723 compat_props_add(m->compat_props, hw_compat_3_0, hw_compat_3_0_len); 724 compat_props_add(m->compat_props, pc_compat_3_0, pc_compat_3_0_len); 725 } 726 727 DEFINE_I440FX_MACHINE(v3_0, "pc-i440fx-3.0", NULL, 728 pc_i440fx_3_0_machine_options); 729 730 static void pc_i440fx_2_12_machine_options(MachineClass *m) 731 { 732 pc_i440fx_3_0_machine_options(m); 733 compat_props_add(m->compat_props, hw_compat_2_12, hw_compat_2_12_len); 734 compat_props_add(m->compat_props, pc_compat_2_12, pc_compat_2_12_len); 735 } 736 737 DEFINE_I440FX_MACHINE(v2_12, "pc-i440fx-2.12", NULL, 738 pc_i440fx_2_12_machine_options); 739 740 static void pc_i440fx_2_11_machine_options(MachineClass *m) 741 { 742 pc_i440fx_2_12_machine_options(m); 743 compat_props_add(m->compat_props, hw_compat_2_11, hw_compat_2_11_len); 744 compat_props_add(m->compat_props, pc_compat_2_11, pc_compat_2_11_len); 745 } 746 747 DEFINE_I440FX_MACHINE(v2_11, "pc-i440fx-2.11", NULL, 748 pc_i440fx_2_11_machine_options); 749 750 static void pc_i440fx_2_10_machine_options(MachineClass *m) 751 { 752 pc_i440fx_2_11_machine_options(m); 753 compat_props_add(m->compat_props, hw_compat_2_10, hw_compat_2_10_len); 754 compat_props_add(m->compat_props, pc_compat_2_10, pc_compat_2_10_len); 755 m->auto_enable_numa_with_memhp = false; 756 } 757 758 DEFINE_I440FX_MACHINE(v2_10, "pc-i440fx-2.10", NULL, 759 pc_i440fx_2_10_machine_options); 760 761 static void pc_i440fx_2_9_machine_options(MachineClass *m) 762 { 763 pc_i440fx_2_10_machine_options(m); 764 compat_props_add(m->compat_props, hw_compat_2_9, hw_compat_2_9_len); 765 compat_props_add(m->compat_props, pc_compat_2_9, pc_compat_2_9_len); 766 } 767 768 DEFINE_I440FX_MACHINE(v2_9, "pc-i440fx-2.9", NULL, 769 pc_i440fx_2_9_machine_options); 770 771 static void pc_i440fx_2_8_machine_options(MachineClass *m) 772 { 773 pc_i440fx_2_9_machine_options(m); 774 compat_props_add(m->compat_props, hw_compat_2_8, hw_compat_2_8_len); 775 compat_props_add(m->compat_props, pc_compat_2_8, pc_compat_2_8_len); 776 } 777 778 DEFINE_I440FX_MACHINE(v2_8, "pc-i440fx-2.8", NULL, 779 pc_i440fx_2_8_machine_options); 780 781 static void pc_i440fx_2_7_machine_options(MachineClass *m) 782 { 783 pc_i440fx_2_8_machine_options(m); 784 compat_props_add(m->compat_props, hw_compat_2_7, hw_compat_2_7_len); 785 compat_props_add(m->compat_props, pc_compat_2_7, pc_compat_2_7_len); 786 } 787 788 DEFINE_I440FX_MACHINE(v2_7, "pc-i440fx-2.7", NULL, 789 pc_i440fx_2_7_machine_options); 790 791 static void pc_i440fx_2_6_machine_options(MachineClass *m) 792 { 793 X86MachineClass *x86mc = X86_MACHINE_CLASS(m); 794 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 795 796 pc_i440fx_2_7_machine_options(m); 797 pcmc->legacy_cpu_hotplug = true; 798 x86mc->fwcfg_dma_enabled = false; 799 compat_props_add(m->compat_props, hw_compat_2_6, hw_compat_2_6_len); 800 compat_props_add(m->compat_props, pc_compat_2_6, pc_compat_2_6_len); 801 } 802 803 DEFINE_I440FX_MACHINE(v2_6, "pc-i440fx-2.6", NULL, 804 pc_i440fx_2_6_machine_options); 805 806 static void pc_i440fx_2_5_machine_options(MachineClass *m) 807 { 808 X86MachineClass *x86mc = X86_MACHINE_CLASS(m); 809 810 pc_i440fx_2_6_machine_options(m); 811 x86mc->save_tsc_khz = false; 812 m->legacy_fw_cfg_order = 1; 813 compat_props_add(m->compat_props, hw_compat_2_5, hw_compat_2_5_len); 814 compat_props_add(m->compat_props, pc_compat_2_5, pc_compat_2_5_len); 815 } 816 817 DEFINE_I440FX_MACHINE(v2_5, "pc-i440fx-2.5", NULL, 818 pc_i440fx_2_5_machine_options); 819 820 static void pc_i440fx_2_4_machine_options(MachineClass *m) 821 { 822 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 823 824 pc_i440fx_2_5_machine_options(m); 825 m->hw_version = "2.4.0"; 826 pcmc->broken_reserved_end = true; 827 compat_props_add(m->compat_props, hw_compat_2_4, hw_compat_2_4_len); 828 compat_props_add(m->compat_props, pc_compat_2_4, pc_compat_2_4_len); 829 } 830 831 DEFINE_I440FX_MACHINE(v2_4, "pc-i440fx-2.4", NULL, 832 pc_i440fx_2_4_machine_options) 833 834 static void pc_i440fx_2_3_machine_options(MachineClass *m) 835 { 836 pc_i440fx_2_4_machine_options(m); 837 m->hw_version = "2.3.0"; 838 m->deprecation_reason = "old and unattended - use a newer version instead"; 839 compat_props_add(m->compat_props, hw_compat_2_3, hw_compat_2_3_len); 840 compat_props_add(m->compat_props, pc_compat_2_3, pc_compat_2_3_len); 841 } 842 843 DEFINE_I440FX_MACHINE(v2_3, "pc-i440fx-2.3", pc_compat_2_3_fn, 844 pc_i440fx_2_3_machine_options); 845 846 static void pc_i440fx_2_2_machine_options(MachineClass *m) 847 { 848 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 849 850 pc_i440fx_2_3_machine_options(m); 851 m->hw_version = "2.2.0"; 852 m->default_machine_opts = "firmware=bios-256k.bin,suppress-vmdesc=on"; 853 compat_props_add(m->compat_props, hw_compat_2_2, hw_compat_2_2_len); 854 compat_props_add(m->compat_props, pc_compat_2_2, pc_compat_2_2_len); 855 pcmc->rsdp_in_ram = false; 856 pcmc->resizable_acpi_blob = false; 857 } 858 859 DEFINE_I440FX_MACHINE(v2_2, "pc-i440fx-2.2", pc_compat_2_2_fn, 860 pc_i440fx_2_2_machine_options); 861 862 static void pc_i440fx_2_1_machine_options(MachineClass *m) 863 { 864 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 865 866 pc_i440fx_2_2_machine_options(m); 867 m->hw_version = "2.1.0"; 868 m->default_display = NULL; 869 compat_props_add(m->compat_props, hw_compat_2_1, hw_compat_2_1_len); 870 compat_props_add(m->compat_props, pc_compat_2_1, pc_compat_2_1_len); 871 pcmc->smbios_uuid_encoded = false; 872 pcmc->enforce_aligned_dimm = false; 873 } 874 875 DEFINE_I440FX_MACHINE(v2_1, "pc-i440fx-2.1", pc_compat_2_1_fn, 876 pc_i440fx_2_1_machine_options); 877 878 static void pc_i440fx_2_0_machine_options(MachineClass *m) 879 { 880 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 881 882 pc_i440fx_2_1_machine_options(m); 883 m->hw_version = "2.0.0"; 884 compat_props_add(m->compat_props, pc_compat_2_0, pc_compat_2_0_len); 885 pcmc->smbios_legacy_mode = true; 886 pcmc->has_reserved_memory = false; 887 /* This value depends on the actual DSDT and SSDT compiled into 888 * the source QEMU; unfortunately it depends on the binary and 889 * not on the machine type, so we cannot make pc-i440fx-1.7 work on 890 * both QEMU 1.7 and QEMU 2.0. 891 * 892 * Large variations cause migration to fail for more than one 893 * consecutive value of the "-smp" maxcpus option. 894 * 895 * For small variations of the kind caused by different iasl versions, 896 * the 4k rounding usually leaves slack. However, there could be still 897 * one or two values that break. For QEMU 1.7 and QEMU 2.0 the 898 * slack is only ~10 bytes before one "-smp maxcpus" value breaks! 899 * 900 * 6652 is valid for QEMU 2.0, the right value for pc-i440fx-1.7 on 901 * QEMU 1.7 it is 6414. For RHEL/CentOS 7.0 it is 6418. 902 */ 903 pcmc->legacy_acpi_table_size = 6652; 904 pcmc->acpi_data_size = 0x10000; 905 } 906 907 DEFINE_I440FX_MACHINE(v2_0, "pc-i440fx-2.0", pc_compat_2_0_fn, 908 pc_i440fx_2_0_machine_options); 909 910 #ifdef CONFIG_ISAPC 911 static void isapc_machine_options(MachineClass *m) 912 { 913 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 914 m->desc = "ISA-only PC"; 915 m->max_cpus = 1; 916 m->option_rom_has_mr = true; 917 m->rom_file_has_mr = false; 918 pcmc->pci_enabled = false; 919 pcmc->has_acpi_build = false; 920 pcmc->smbios_defaults = false; 921 pcmc->gigabyte_align = false; 922 pcmc->smbios_legacy_mode = true; 923 pcmc->has_reserved_memory = false; 924 m->default_nic = "ne2k_isa"; 925 m->default_cpu_type = X86_CPU_TYPE_NAME("486"); 926 m->no_parallel = !module_object_class_by_name(TYPE_ISA_PARALLEL); 927 } 928 929 DEFINE_PC_MACHINE(isapc, "isapc", pc_init_isa, 930 isapc_machine_options); 931 #endif 932 933 #ifdef CONFIG_XEN 934 static void xenfv_4_2_machine_options(MachineClass *m) 935 { 936 pc_i440fx_4_2_machine_options(m); 937 m->desc = "Xen Fully-virtualized PC"; 938 m->max_cpus = HVM_MAX_VCPUS; 939 m->default_machine_opts = "accel=xen,suppress-vmdesc=on"; 940 } 941 942 DEFINE_PC_MACHINE(xenfv_4_2, "xenfv-4.2", pc_xen_hvm_init, 943 xenfv_4_2_machine_options); 944 945 static void xenfv_3_1_machine_options(MachineClass *m) 946 { 947 pc_i440fx_3_1_machine_options(m); 948 m->desc = "Xen Fully-virtualized PC"; 949 m->alias = "xenfv"; 950 m->max_cpus = HVM_MAX_VCPUS; 951 m->default_machine_opts = "accel=xen,suppress-vmdesc=on"; 952 } 953 954 DEFINE_PC_MACHINE(xenfv, "xenfv-3.1", pc_xen_hvm_init, 955 xenfv_3_1_machine_options); 956 #endif 957