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 #endif 59 #include "hw/xen/xen-x86.h" 60 #include "hw/xen/xen.h" 61 #include "migration/global_state.h" 62 #include "migration/misc.h" 63 #include "sysemu/numa.h" 64 #include "hw/hyperv/vmbus-bridge.h" 65 #include "hw/mem/nvdimm.h" 66 #include "hw/i386/acpi-build.h" 67 #include "kvm/kvm-cpu.h" 68 #include "target/i386/cpu.h" 69 70 #define XEN_IOAPIC_NUM_PIRQS 128ULL 71 72 #ifdef CONFIG_IDE_ISA 73 static const int ide_iobase[MAX_IDE_BUS] = { 0x1f0, 0x170 }; 74 static const int ide_iobase2[MAX_IDE_BUS] = { 0x3f6, 0x376 }; 75 static const int ide_irq[MAX_IDE_BUS] = { 14, 15 }; 76 #endif 77 78 /* 79 * Return the global irq number corresponding to a given device irq 80 * pin. We could also use the bus number to have a more precise mapping. 81 */ 82 static int pc_pci_slot_get_pirq(PCIDevice *pci_dev, int pci_intx) 83 { 84 int slot_addend; 85 slot_addend = PCI_SLOT(pci_dev->devfn) - 1; 86 return (pci_intx + slot_addend) & 3; 87 } 88 89 static void piix_intx_routing_notifier_xen(PCIDevice *dev) 90 { 91 int i; 92 93 /* Scan for updates to PCI link routes. */ 94 for (i = 0; i < PIIX_NUM_PIRQS; i++) { 95 const PCIINTxRoute route = pci_device_route_intx_to_irq(dev, i); 96 const uint8_t v = route.mode == PCI_INTX_ENABLED ? route.irq : 0; 97 xen_set_pci_link_route(i, v); 98 } 99 } 100 101 /* PC hardware initialisation */ 102 static void pc_init1(MachineState *machine, 103 const char *host_type, const char *pci_type) 104 { 105 PCMachineState *pcms = PC_MACHINE(machine); 106 PCMachineClass *pcmc = PC_MACHINE_GET_CLASS(pcms); 107 X86MachineState *x86ms = X86_MACHINE(machine); 108 MemoryRegion *system_memory = get_system_memory(); 109 MemoryRegion *system_io = get_system_io(); 110 Object *phb = NULL; 111 ISABus *isa_bus; 112 Object *piix4_pm = NULL; 113 qemu_irq smi_irq; 114 GSIState *gsi_state; 115 MemoryRegion *ram_memory; 116 MemoryRegion *pci_memory = NULL; 117 MemoryRegion *rom_memory = system_memory; 118 ram_addr_t lowmem; 119 uint64_t hole64_size = 0; 120 121 /* 122 * Calculate ram split, for memory below and above 4G. It's a bit 123 * complicated for backward compatibility reasons ... 124 * 125 * - Traditional split is 3.5G (lowmem = 0xe0000000). This is the 126 * default value for max_ram_below_4g now. 127 * 128 * - Then, to gigabyte align the memory, we move the split to 3G 129 * (lowmem = 0xc0000000). But only in case we have to split in 130 * the first place, i.e. ram_size is larger than (traditional) 131 * lowmem. And for new machine types (gigabyte_align = true) 132 * only, for live migration compatibility reasons. 133 * 134 * - Next the max-ram-below-4g option was added, which allowed to 135 * reduce lowmem to a smaller value, to allow a larger PCI I/O 136 * window below 4G. qemu doesn't enforce gigabyte alignment here, 137 * but prints a warning. 138 * 139 * - Finally max-ram-below-4g got updated to also allow raising lowmem, 140 * so legacy non-PAE guests can get as much memory as possible in 141 * the 32bit address space below 4G. 142 * 143 * - Note that Xen has its own ram setup code in xen_ram_init(), 144 * called via xen_hvm_init_pc(). 145 * 146 * Examples: 147 * qemu -M pc-1.7 -m 4G (old default) -> 3584M low, 512M high 148 * qemu -M pc -m 4G (new default) -> 3072M low, 1024M high 149 * qemu -M pc,max-ram-below-4g=2G -m 4G -> 2048M low, 2048M high 150 * qemu -M pc,max-ram-below-4g=4G -m 3968M -> 3968M low (=4G-128M) 151 */ 152 if (xen_enabled()) { 153 xen_hvm_init_pc(pcms, &ram_memory); 154 } else { 155 ram_memory = machine->ram; 156 if (!pcms->max_ram_below_4g) { 157 pcms->max_ram_below_4g = 0xe0000000; /* default: 3.5G */ 158 } 159 lowmem = pcms->max_ram_below_4g; 160 if (machine->ram_size >= pcms->max_ram_below_4g) { 161 if (pcmc->gigabyte_align) { 162 if (lowmem > 0xc0000000) { 163 lowmem = 0xc0000000; 164 } 165 if (lowmem & (1 * GiB - 1)) { 166 warn_report("Large machine and max_ram_below_4g " 167 "(%" PRIu64 ") not a multiple of 1G; " 168 "possible bad performance.", 169 pcms->max_ram_below_4g); 170 } 171 } 172 } 173 174 if (machine->ram_size >= lowmem) { 175 x86ms->above_4g_mem_size = machine->ram_size - lowmem; 176 x86ms->below_4g_mem_size = lowmem; 177 } else { 178 x86ms->above_4g_mem_size = 0; 179 x86ms->below_4g_mem_size = machine->ram_size; 180 } 181 } 182 183 pc_machine_init_sgx_epc(pcms); 184 x86_cpus_init(x86ms, pcmc->default_cpu_version); 185 186 if (kvm_enabled()) { 187 kvmclock_create(pcmc->kvmclock_create_always); 188 } 189 190 if (pcmc->pci_enabled) { 191 pci_memory = g_new(MemoryRegion, 1); 192 memory_region_init(pci_memory, NULL, "pci", UINT64_MAX); 193 rom_memory = pci_memory; 194 195 phb = OBJECT(qdev_new(host_type)); 196 object_property_add_child(OBJECT(machine), "i440fx", phb); 197 object_property_set_link(phb, PCI_HOST_PROP_RAM_MEM, 198 OBJECT(ram_memory), &error_fatal); 199 object_property_set_link(phb, PCI_HOST_PROP_PCI_MEM, 200 OBJECT(pci_memory), &error_fatal); 201 object_property_set_link(phb, PCI_HOST_PROP_SYSTEM_MEM, 202 OBJECT(system_memory), &error_fatal); 203 object_property_set_link(phb, PCI_HOST_PROP_IO_MEM, 204 OBJECT(system_io), &error_fatal); 205 object_property_set_uint(phb, PCI_HOST_BELOW_4G_MEM_SIZE, 206 x86ms->below_4g_mem_size, &error_fatal); 207 object_property_set_uint(phb, PCI_HOST_ABOVE_4G_MEM_SIZE, 208 x86ms->above_4g_mem_size, &error_fatal); 209 object_property_set_str(phb, I440FX_HOST_PROP_PCI_TYPE, pci_type, 210 &error_fatal); 211 sysbus_realize_and_unref(SYS_BUS_DEVICE(phb), &error_fatal); 212 213 pcms->pcibus = PCI_BUS(qdev_get_child_bus(DEVICE(phb), "pci.0")); 214 pci_bus_map_irqs(pcms->pcibus, 215 xen_enabled() ? xen_pci_slot_get_pirq 216 : pc_pci_slot_get_pirq); 217 218 hole64_size = object_property_get_uint(phb, 219 PCI_HOST_PROP_PCI_HOLE64_SIZE, 220 &error_abort); 221 } 222 223 /* allocate ram and load rom/bios */ 224 if (!xen_enabled()) { 225 pc_memory_init(pcms, system_memory, rom_memory, hole64_size); 226 } else { 227 assert(machine->ram_size == x86ms->below_4g_mem_size + 228 x86ms->above_4g_mem_size); 229 230 if (machine->kernel_filename != NULL) { 231 /* For xen HVM direct kernel boot, load linux here */ 232 xen_load_linux(pcms); 233 } 234 } 235 236 gsi_state = pc_gsi_create(&x86ms->gsi, pcmc->pci_enabled); 237 238 if (pcmc->pci_enabled) { 239 PCIDevice *pci_dev; 240 DeviceState *dev; 241 size_t i; 242 243 pci_dev = pci_new_multifunction(-1, pcms->south_bridge); 244 object_property_set_bool(OBJECT(pci_dev), "has-usb", 245 machine_usb(machine), &error_abort); 246 object_property_set_bool(OBJECT(pci_dev), "has-acpi", 247 x86_machine_is_acpi_enabled(x86ms), 248 &error_abort); 249 object_property_set_bool(OBJECT(pci_dev), "has-pic", false, 250 &error_abort); 251 object_property_set_bool(OBJECT(pci_dev), "has-pit", false, 252 &error_abort); 253 qdev_prop_set_uint32(DEVICE(pci_dev), "smb_io_base", 0xb100); 254 object_property_set_bool(OBJECT(pci_dev), "smm-enabled", 255 x86_machine_is_smm_enabled(x86ms), 256 &error_abort); 257 dev = DEVICE(pci_dev); 258 for (i = 0; i < ISA_NUM_IRQS; i++) { 259 qdev_connect_gpio_out_named(dev, "isa-irqs", i, x86ms->gsi[i]); 260 } 261 pci_realize_and_unref(pci_dev, pcms->pcibus, &error_fatal); 262 263 if (xen_enabled()) { 264 pci_device_set_intx_routing_notifier( 265 pci_dev, piix_intx_routing_notifier_xen); 266 267 /* 268 * Xen supports additional interrupt routes from the PCI devices to 269 * the IOAPIC: the four pins of each PCI device on the bus are also 270 * connected to the IOAPIC directly. 271 * These additional routes can be discovered through ACPI. 272 */ 273 pci_bus_irqs(pcms->pcibus, xen_intx_set_irq, pci_dev, 274 XEN_IOAPIC_NUM_PIRQS); 275 } 276 277 isa_bus = ISA_BUS(qdev_get_child_bus(DEVICE(pci_dev), "isa.0")); 278 x86ms->rtc = ISA_DEVICE(object_resolve_path_component(OBJECT(pci_dev), 279 "rtc")); 280 piix4_pm = object_resolve_path_component(OBJECT(pci_dev), "pm"); 281 dev = DEVICE(object_resolve_path_component(OBJECT(pci_dev), "ide")); 282 pci_ide_create_devs(PCI_DEVICE(dev)); 283 pcms->idebus[0] = qdev_get_child_bus(dev, "ide.0"); 284 pcms->idebus[1] = qdev_get_child_bus(dev, "ide.1"); 285 } else { 286 isa_bus = isa_bus_new(NULL, system_memory, system_io, 287 &error_abort); 288 isa_bus_register_input_irqs(isa_bus, x86ms->gsi); 289 290 x86ms->rtc = isa_new(TYPE_MC146818_RTC); 291 qdev_prop_set_int32(DEVICE(x86ms->rtc), "base_year", 2000); 292 isa_realize_and_unref(x86ms->rtc, isa_bus, &error_fatal); 293 294 i8257_dma_init(OBJECT(machine), isa_bus, 0); 295 pcms->hpet_enabled = false; 296 } 297 298 if (x86ms->pic == ON_OFF_AUTO_ON || x86ms->pic == ON_OFF_AUTO_AUTO) { 299 pc_i8259_create(isa_bus, gsi_state->i8259_irq); 300 } 301 302 if (phb) { 303 ioapic_init_gsi(gsi_state, phb); 304 } 305 306 if (tcg_enabled()) { 307 x86_register_ferr_irq(x86ms->gsi[13]); 308 } 309 310 pc_vga_init(isa_bus, pcmc->pci_enabled ? pcms->pcibus : NULL); 311 312 assert(pcms->vmport != ON_OFF_AUTO__MAX); 313 if (pcms->vmport == ON_OFF_AUTO_AUTO) { 314 pcms->vmport = xen_enabled() ? ON_OFF_AUTO_OFF : ON_OFF_AUTO_ON; 315 } 316 317 /* init basic PC hardware */ 318 pc_basic_device_init(pcms, isa_bus, x86ms->gsi, x86ms->rtc, true, 319 0x4); 320 321 pc_nic_init(pcmc, isa_bus, pcms->pcibus); 322 323 #ifdef CONFIG_IDE_ISA 324 if (!pcmc->pci_enabled) { 325 DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS]; 326 int i; 327 328 ide_drive_get(hd, ARRAY_SIZE(hd)); 329 for (i = 0; i < MAX_IDE_BUS; i++) { 330 ISADevice *dev; 331 char busname[] = "ide.0"; 332 dev = isa_ide_init(isa_bus, ide_iobase[i], ide_iobase2[i], 333 ide_irq[i], 334 hd[MAX_IDE_DEVS * i], hd[MAX_IDE_DEVS * i + 1]); 335 /* 336 * The ide bus name is ide.0 for the first bus and ide.1 for the 337 * second one. 338 */ 339 busname[4] = '0' + i; 340 pcms->idebus[i] = qdev_get_child_bus(DEVICE(dev), busname); 341 } 342 } 343 #endif 344 345 pc_cmos_init(pcms, x86ms->rtc); 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 } 370 371 typedef enum PCSouthBridgeOption { 372 PC_SOUTH_BRIDGE_OPTION_PIIX3, 373 PC_SOUTH_BRIDGE_OPTION_PIIX4, 374 PC_SOUTH_BRIDGE_OPTION_MAX, 375 } PCSouthBridgeOption; 376 377 static const QEnumLookup PCSouthBridgeOption_lookup = { 378 .array = (const char *const[]) { 379 [PC_SOUTH_BRIDGE_OPTION_PIIX3] = TYPE_PIIX3_DEVICE, 380 [PC_SOUTH_BRIDGE_OPTION_PIIX4] = TYPE_PIIX4_PCI_DEVICE, 381 }, 382 .size = PC_SOUTH_BRIDGE_OPTION_MAX 383 }; 384 385 #define NotifyVmexitOption_str(val) \ 386 qapi_enum_lookup(&NotifyVmexitOption_lookup, (val)) 387 388 static int pc_get_south_bridge(Object *obj, Error **errp) 389 { 390 PCMachineState *pcms = PC_MACHINE(obj); 391 int i; 392 393 for (i = 0; i < PCSouthBridgeOption_lookup.size; i++) { 394 if (g_strcmp0(PCSouthBridgeOption_lookup.array[i], 395 pcms->south_bridge) == 0) { 396 return i; 397 } 398 } 399 400 error_setg(errp, "Invalid south bridge value set"); 401 return 0; 402 } 403 404 static void pc_set_south_bridge(Object *obj, int value, Error **errp) 405 { 406 PCMachineState *pcms = PC_MACHINE(obj); 407 408 if (value < 0) { 409 error_setg(errp, "Value can't be negative"); 410 return; 411 } 412 413 if (value >= PCSouthBridgeOption_lookup.size) { 414 error_setg(errp, "Value too big"); 415 return; 416 } 417 418 pcms->south_bridge = PCSouthBridgeOption_lookup.array[value]; 419 } 420 421 /* Looking for a pc_compat_2_4() function? It doesn't exist. 422 * pc_compat_*() functions that run on machine-init time and 423 * change global QEMU state are deprecated. Please don't create 424 * one, and implement any pc-*-2.4 (and newer) compat code in 425 * hw_compat_*, pc_compat_*, or * pc_*_machine_options(). 426 */ 427 428 static void pc_compat_2_3_fn(MachineState *machine) 429 { 430 X86MachineState *x86ms = X86_MACHINE(machine); 431 if (kvm_enabled()) { 432 x86ms->smm = ON_OFF_AUTO_OFF; 433 } 434 } 435 436 static void pc_compat_2_2_fn(MachineState *machine) 437 { 438 pc_compat_2_3_fn(machine); 439 } 440 441 static void pc_compat_2_1_fn(MachineState *machine) 442 { 443 pc_compat_2_2_fn(machine); 444 x86_cpu_change_kvm_default("svm", NULL); 445 } 446 447 static void pc_compat_2_0_fn(MachineState *machine) 448 { 449 pc_compat_2_1_fn(machine); 450 } 451 452 #ifdef CONFIG_ISAPC 453 static void pc_init_isa(MachineState *machine) 454 { 455 pc_init1(machine, TYPE_I440FX_PCI_HOST_BRIDGE, TYPE_I440FX_PCI_DEVICE); 456 } 457 #endif 458 459 #ifdef CONFIG_XEN 460 static void pc_xen_hvm_init_pci(MachineState *machine) 461 { 462 const char *pci_type = xen_igd_gfx_pt_enabled() ? 463 TYPE_IGD_PASSTHROUGH_I440FX_PCI_DEVICE : TYPE_I440FX_PCI_DEVICE; 464 465 pc_init1(machine, 466 TYPE_I440FX_PCI_HOST_BRIDGE, 467 pci_type); 468 } 469 470 static void pc_xen_hvm_init(MachineState *machine) 471 { 472 PCMachineState *pcms = PC_MACHINE(machine); 473 474 if (!xen_enabled()) { 475 error_report("xenfv machine requires the xen accelerator"); 476 exit(1); 477 } 478 479 pc_xen_hvm_init_pci(machine); 480 xen_igd_reserve_slot(pcms->pcibus); 481 pci_create_simple(pcms->pcibus, -1, "xen-platform"); 482 } 483 #endif 484 485 #define DEFINE_I440FX_MACHINE(suffix, name, compatfn, optionfn) \ 486 static void pc_init_##suffix(MachineState *machine) \ 487 { \ 488 void (*compat)(MachineState *m) = (compatfn); \ 489 if (compat) { \ 490 compat(machine); \ 491 } \ 492 pc_init1(machine, TYPE_I440FX_PCI_HOST_BRIDGE, \ 493 TYPE_I440FX_PCI_DEVICE); \ 494 } \ 495 DEFINE_PC_MACHINE(suffix, name, pc_init_##suffix, optionfn) 496 497 static void pc_i440fx_machine_options(MachineClass *m) 498 { 499 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 500 ObjectClass *oc = OBJECT_CLASS(m); 501 pcmc->default_south_bridge = TYPE_PIIX3_DEVICE; 502 pcmc->pci_root_uid = 0; 503 pcmc->default_cpu_version = 1; 504 505 m->family = "pc_piix"; 506 m->desc = "Standard PC (i440FX + PIIX, 1996)"; 507 m->default_machine_opts = "firmware=bios-256k.bin"; 508 m->default_display = "std"; 509 m->default_nic = "e1000"; 510 m->no_parallel = !module_object_class_by_name(TYPE_ISA_PARALLEL); 511 machine_class_allow_dynamic_sysbus_dev(m, TYPE_RAMFB_DEVICE); 512 machine_class_allow_dynamic_sysbus_dev(m, TYPE_VMBUS_BRIDGE); 513 514 object_class_property_add_enum(oc, "x-south-bridge", "PCSouthBridgeOption", 515 &PCSouthBridgeOption_lookup, 516 pc_get_south_bridge, 517 pc_set_south_bridge); 518 object_class_property_set_description(oc, "x-south-bridge", 519 "Use a different south bridge than PIIX3"); 520 } 521 522 static void pc_i440fx_9_0_machine_options(MachineClass *m) 523 { 524 pc_i440fx_machine_options(m); 525 m->alias = "pc"; 526 m->is_default = true; 527 } 528 529 DEFINE_I440FX_MACHINE(v9_0, "pc-i440fx-9.0", NULL, 530 pc_i440fx_9_0_machine_options); 531 532 static void pc_i440fx_8_2_machine_options(MachineClass *m) 533 { 534 pc_i440fx_9_0_machine_options(m); 535 m->alias = NULL; 536 m->is_default = false; 537 538 compat_props_add(m->compat_props, hw_compat_8_2, hw_compat_8_2_len); 539 compat_props_add(m->compat_props, pc_compat_8_2, pc_compat_8_2_len); 540 } 541 542 DEFINE_I440FX_MACHINE(v8_2, "pc-i440fx-8.2", NULL, 543 pc_i440fx_8_2_machine_options); 544 545 static void pc_i440fx_8_1_machine_options(MachineClass *m) 546 { 547 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 548 549 pc_i440fx_8_2_machine_options(m); 550 pcmc->broken_32bit_mem_addr_check = true; 551 552 compat_props_add(m->compat_props, hw_compat_8_1, hw_compat_8_1_len); 553 compat_props_add(m->compat_props, pc_compat_8_1, pc_compat_8_1_len); 554 } 555 556 DEFINE_I440FX_MACHINE(v8_1, "pc-i440fx-8.1", NULL, 557 pc_i440fx_8_1_machine_options); 558 559 static void pc_i440fx_8_0_machine_options(MachineClass *m) 560 { 561 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 562 563 pc_i440fx_8_1_machine_options(m); 564 compat_props_add(m->compat_props, hw_compat_8_0, hw_compat_8_0_len); 565 compat_props_add(m->compat_props, pc_compat_8_0, pc_compat_8_0_len); 566 567 /* For pc-i44fx-8.0 and older, use SMBIOS 2.8 by default */ 568 pcmc->default_smbios_ep_type = SMBIOS_ENTRY_POINT_TYPE_32; 569 } 570 571 DEFINE_I440FX_MACHINE(v8_0, "pc-i440fx-8.0", NULL, 572 pc_i440fx_8_0_machine_options); 573 574 static void pc_i440fx_7_2_machine_options(MachineClass *m) 575 { 576 pc_i440fx_8_0_machine_options(m); 577 compat_props_add(m->compat_props, hw_compat_7_2, hw_compat_7_2_len); 578 compat_props_add(m->compat_props, pc_compat_7_2, pc_compat_7_2_len); 579 } 580 581 DEFINE_I440FX_MACHINE(v7_2, "pc-i440fx-7.2", NULL, 582 pc_i440fx_7_2_machine_options); 583 584 static void pc_i440fx_7_1_machine_options(MachineClass *m) 585 { 586 pc_i440fx_7_2_machine_options(m); 587 compat_props_add(m->compat_props, hw_compat_7_1, hw_compat_7_1_len); 588 compat_props_add(m->compat_props, pc_compat_7_1, pc_compat_7_1_len); 589 } 590 591 DEFINE_I440FX_MACHINE(v7_1, "pc-i440fx-7.1", NULL, 592 pc_i440fx_7_1_machine_options); 593 594 static void pc_i440fx_7_0_machine_options(MachineClass *m) 595 { 596 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 597 pc_i440fx_7_1_machine_options(m); 598 pcmc->enforce_amd_1tb_hole = false; 599 compat_props_add(m->compat_props, hw_compat_7_0, hw_compat_7_0_len); 600 compat_props_add(m->compat_props, pc_compat_7_0, pc_compat_7_0_len); 601 } 602 603 DEFINE_I440FX_MACHINE(v7_0, "pc-i440fx-7.0", NULL, 604 pc_i440fx_7_0_machine_options); 605 606 static void pc_i440fx_6_2_machine_options(MachineClass *m) 607 { 608 pc_i440fx_7_0_machine_options(m); 609 compat_props_add(m->compat_props, hw_compat_6_2, hw_compat_6_2_len); 610 compat_props_add(m->compat_props, pc_compat_6_2, pc_compat_6_2_len); 611 } 612 613 DEFINE_I440FX_MACHINE(v6_2, "pc-i440fx-6.2", NULL, 614 pc_i440fx_6_2_machine_options); 615 616 static void pc_i440fx_6_1_machine_options(MachineClass *m) 617 { 618 pc_i440fx_6_2_machine_options(m); 619 compat_props_add(m->compat_props, hw_compat_6_1, hw_compat_6_1_len); 620 compat_props_add(m->compat_props, pc_compat_6_1, pc_compat_6_1_len); 621 m->smp_props.prefer_sockets = true; 622 } 623 624 DEFINE_I440FX_MACHINE(v6_1, "pc-i440fx-6.1", NULL, 625 pc_i440fx_6_1_machine_options); 626 627 static void pc_i440fx_6_0_machine_options(MachineClass *m) 628 { 629 pc_i440fx_6_1_machine_options(m); 630 compat_props_add(m->compat_props, hw_compat_6_0, hw_compat_6_0_len); 631 compat_props_add(m->compat_props, pc_compat_6_0, pc_compat_6_0_len); 632 } 633 634 DEFINE_I440FX_MACHINE(v6_0, "pc-i440fx-6.0", NULL, 635 pc_i440fx_6_0_machine_options); 636 637 static void pc_i440fx_5_2_machine_options(MachineClass *m) 638 { 639 pc_i440fx_6_0_machine_options(m); 640 compat_props_add(m->compat_props, hw_compat_5_2, hw_compat_5_2_len); 641 compat_props_add(m->compat_props, pc_compat_5_2, pc_compat_5_2_len); 642 } 643 644 DEFINE_I440FX_MACHINE(v5_2, "pc-i440fx-5.2", NULL, 645 pc_i440fx_5_2_machine_options); 646 647 static void pc_i440fx_5_1_machine_options(MachineClass *m) 648 { 649 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 650 651 pc_i440fx_5_2_machine_options(m); 652 compat_props_add(m->compat_props, hw_compat_5_1, hw_compat_5_1_len); 653 compat_props_add(m->compat_props, pc_compat_5_1, pc_compat_5_1_len); 654 pcmc->kvmclock_create_always = false; 655 pcmc->pci_root_uid = 1; 656 } 657 658 DEFINE_I440FX_MACHINE(v5_1, "pc-i440fx-5.1", NULL, 659 pc_i440fx_5_1_machine_options); 660 661 static void pc_i440fx_5_0_machine_options(MachineClass *m) 662 { 663 pc_i440fx_5_1_machine_options(m); 664 m->numa_mem_supported = true; 665 compat_props_add(m->compat_props, hw_compat_5_0, hw_compat_5_0_len); 666 compat_props_add(m->compat_props, pc_compat_5_0, pc_compat_5_0_len); 667 m->auto_enable_numa_with_memdev = false; 668 } 669 670 DEFINE_I440FX_MACHINE(v5_0, "pc-i440fx-5.0", NULL, 671 pc_i440fx_5_0_machine_options); 672 673 static void pc_i440fx_4_2_machine_options(MachineClass *m) 674 { 675 pc_i440fx_5_0_machine_options(m); 676 compat_props_add(m->compat_props, hw_compat_4_2, hw_compat_4_2_len); 677 compat_props_add(m->compat_props, pc_compat_4_2, pc_compat_4_2_len); 678 } 679 680 DEFINE_I440FX_MACHINE(v4_2, "pc-i440fx-4.2", NULL, 681 pc_i440fx_4_2_machine_options); 682 683 static void pc_i440fx_4_1_machine_options(MachineClass *m) 684 { 685 pc_i440fx_4_2_machine_options(m); 686 compat_props_add(m->compat_props, hw_compat_4_1, hw_compat_4_1_len); 687 compat_props_add(m->compat_props, pc_compat_4_1, pc_compat_4_1_len); 688 } 689 690 DEFINE_I440FX_MACHINE(v4_1, "pc-i440fx-4.1", NULL, 691 pc_i440fx_4_1_machine_options); 692 693 static void pc_i440fx_4_0_machine_options(MachineClass *m) 694 { 695 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 696 pc_i440fx_4_1_machine_options(m); 697 pcmc->default_cpu_version = CPU_VERSION_LEGACY; 698 compat_props_add(m->compat_props, hw_compat_4_0, hw_compat_4_0_len); 699 compat_props_add(m->compat_props, pc_compat_4_0, pc_compat_4_0_len); 700 } 701 702 DEFINE_I440FX_MACHINE(v4_0, "pc-i440fx-4.0", NULL, 703 pc_i440fx_4_0_machine_options); 704 705 static void pc_i440fx_3_1_machine_options(MachineClass *m) 706 { 707 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 708 709 pc_i440fx_4_0_machine_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(v3_1, "pc-i440fx-3.1", NULL, 717 pc_i440fx_3_1_machine_options); 718 719 static void pc_i440fx_3_0_machine_options(MachineClass *m) 720 { 721 pc_i440fx_3_1_machine_options(m); 722 compat_props_add(m->compat_props, hw_compat_3_0, hw_compat_3_0_len); 723 compat_props_add(m->compat_props, pc_compat_3_0, pc_compat_3_0_len); 724 } 725 726 DEFINE_I440FX_MACHINE(v3_0, "pc-i440fx-3.0", NULL, 727 pc_i440fx_3_0_machine_options); 728 729 static void pc_i440fx_2_12_machine_options(MachineClass *m) 730 { 731 pc_i440fx_3_0_machine_options(m); 732 compat_props_add(m->compat_props, hw_compat_2_12, hw_compat_2_12_len); 733 compat_props_add(m->compat_props, pc_compat_2_12, pc_compat_2_12_len); 734 } 735 736 DEFINE_I440FX_MACHINE(v2_12, "pc-i440fx-2.12", NULL, 737 pc_i440fx_2_12_machine_options); 738 739 static void pc_i440fx_2_11_machine_options(MachineClass *m) 740 { 741 pc_i440fx_2_12_machine_options(m); 742 compat_props_add(m->compat_props, hw_compat_2_11, hw_compat_2_11_len); 743 compat_props_add(m->compat_props, pc_compat_2_11, pc_compat_2_11_len); 744 } 745 746 DEFINE_I440FX_MACHINE(v2_11, "pc-i440fx-2.11", NULL, 747 pc_i440fx_2_11_machine_options); 748 749 static void pc_i440fx_2_10_machine_options(MachineClass *m) 750 { 751 pc_i440fx_2_11_machine_options(m); 752 compat_props_add(m->compat_props, hw_compat_2_10, hw_compat_2_10_len); 753 compat_props_add(m->compat_props, pc_compat_2_10, pc_compat_2_10_len); 754 m->auto_enable_numa_with_memhp = false; 755 } 756 757 DEFINE_I440FX_MACHINE(v2_10, "pc-i440fx-2.10", NULL, 758 pc_i440fx_2_10_machine_options); 759 760 static void pc_i440fx_2_9_machine_options(MachineClass *m) 761 { 762 pc_i440fx_2_10_machine_options(m); 763 compat_props_add(m->compat_props, hw_compat_2_9, hw_compat_2_9_len); 764 compat_props_add(m->compat_props, pc_compat_2_9, pc_compat_2_9_len); 765 } 766 767 DEFINE_I440FX_MACHINE(v2_9, "pc-i440fx-2.9", NULL, 768 pc_i440fx_2_9_machine_options); 769 770 static void pc_i440fx_2_8_machine_options(MachineClass *m) 771 { 772 pc_i440fx_2_9_machine_options(m); 773 compat_props_add(m->compat_props, hw_compat_2_8, hw_compat_2_8_len); 774 compat_props_add(m->compat_props, pc_compat_2_8, pc_compat_2_8_len); 775 } 776 777 DEFINE_I440FX_MACHINE(v2_8, "pc-i440fx-2.8", NULL, 778 pc_i440fx_2_8_machine_options); 779 780 static void pc_i440fx_2_7_machine_options(MachineClass *m) 781 { 782 pc_i440fx_2_8_machine_options(m); 783 compat_props_add(m->compat_props, hw_compat_2_7, hw_compat_2_7_len); 784 compat_props_add(m->compat_props, pc_compat_2_7, pc_compat_2_7_len); 785 } 786 787 DEFINE_I440FX_MACHINE(v2_7, "pc-i440fx-2.7", NULL, 788 pc_i440fx_2_7_machine_options); 789 790 static void pc_i440fx_2_6_machine_options(MachineClass *m) 791 { 792 X86MachineClass *x86mc = X86_MACHINE_CLASS(m); 793 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 794 795 pc_i440fx_2_7_machine_options(m); 796 pcmc->legacy_cpu_hotplug = true; 797 x86mc->fwcfg_dma_enabled = false; 798 compat_props_add(m->compat_props, hw_compat_2_6, hw_compat_2_6_len); 799 compat_props_add(m->compat_props, pc_compat_2_6, pc_compat_2_6_len); 800 } 801 802 DEFINE_I440FX_MACHINE(v2_6, "pc-i440fx-2.6", NULL, 803 pc_i440fx_2_6_machine_options); 804 805 static void pc_i440fx_2_5_machine_options(MachineClass *m) 806 { 807 X86MachineClass *x86mc = X86_MACHINE_CLASS(m); 808 809 pc_i440fx_2_6_machine_options(m); 810 x86mc->save_tsc_khz = false; 811 m->legacy_fw_cfg_order = 1; 812 compat_props_add(m->compat_props, hw_compat_2_5, hw_compat_2_5_len); 813 compat_props_add(m->compat_props, pc_compat_2_5, pc_compat_2_5_len); 814 } 815 816 DEFINE_I440FX_MACHINE(v2_5, "pc-i440fx-2.5", NULL, 817 pc_i440fx_2_5_machine_options); 818 819 static void pc_i440fx_2_4_machine_options(MachineClass *m) 820 { 821 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 822 823 pc_i440fx_2_5_machine_options(m); 824 m->hw_version = "2.4.0"; 825 pcmc->broken_reserved_end = true; 826 compat_props_add(m->compat_props, hw_compat_2_4, hw_compat_2_4_len); 827 compat_props_add(m->compat_props, pc_compat_2_4, pc_compat_2_4_len); 828 } 829 830 DEFINE_I440FX_MACHINE(v2_4, "pc-i440fx-2.4", NULL, 831 pc_i440fx_2_4_machine_options) 832 833 static void pc_i440fx_2_3_machine_options(MachineClass *m) 834 { 835 pc_i440fx_2_4_machine_options(m); 836 m->hw_version = "2.3.0"; 837 m->deprecation_reason = "old and unattended - use a newer version instead"; 838 compat_props_add(m->compat_props, hw_compat_2_3, hw_compat_2_3_len); 839 compat_props_add(m->compat_props, pc_compat_2_3, pc_compat_2_3_len); 840 } 841 842 DEFINE_I440FX_MACHINE(v2_3, "pc-i440fx-2.3", pc_compat_2_3_fn, 843 pc_i440fx_2_3_machine_options); 844 845 static void pc_i440fx_2_2_machine_options(MachineClass *m) 846 { 847 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 848 849 pc_i440fx_2_3_machine_options(m); 850 m->hw_version = "2.2.0"; 851 m->default_machine_opts = "firmware=bios-256k.bin,suppress-vmdesc=on"; 852 compat_props_add(m->compat_props, hw_compat_2_2, hw_compat_2_2_len); 853 compat_props_add(m->compat_props, pc_compat_2_2, pc_compat_2_2_len); 854 pcmc->rsdp_in_ram = false; 855 pcmc->resizable_acpi_blob = false; 856 } 857 858 DEFINE_I440FX_MACHINE(v2_2, "pc-i440fx-2.2", pc_compat_2_2_fn, 859 pc_i440fx_2_2_machine_options); 860 861 static void pc_i440fx_2_1_machine_options(MachineClass *m) 862 { 863 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 864 865 pc_i440fx_2_2_machine_options(m); 866 m->hw_version = "2.1.0"; 867 m->default_display = NULL; 868 compat_props_add(m->compat_props, hw_compat_2_1, hw_compat_2_1_len); 869 compat_props_add(m->compat_props, pc_compat_2_1, pc_compat_2_1_len); 870 pcmc->smbios_uuid_encoded = false; 871 pcmc->enforce_aligned_dimm = false; 872 } 873 874 DEFINE_I440FX_MACHINE(v2_1, "pc-i440fx-2.1", pc_compat_2_1_fn, 875 pc_i440fx_2_1_machine_options); 876 877 static void pc_i440fx_2_0_machine_options(MachineClass *m) 878 { 879 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 880 881 pc_i440fx_2_1_machine_options(m); 882 m->hw_version = "2.0.0"; 883 compat_props_add(m->compat_props, pc_compat_2_0, pc_compat_2_0_len); 884 pcmc->smbios_legacy_mode = true; 885 pcmc->has_reserved_memory = false; 886 /* This value depends on the actual DSDT and SSDT compiled into 887 * the source QEMU; unfortunately it depends on the binary and 888 * not on the machine type, so we cannot make pc-i440fx-1.7 work on 889 * both QEMU 1.7 and QEMU 2.0. 890 * 891 * Large variations cause migration to fail for more than one 892 * consecutive value of the "-smp" maxcpus option. 893 * 894 * For small variations of the kind caused by different iasl versions, 895 * the 4k rounding usually leaves slack. However, there could be still 896 * one or two values that break. For QEMU 1.7 and QEMU 2.0 the 897 * slack is only ~10 bytes before one "-smp maxcpus" value breaks! 898 * 899 * 6652 is valid for QEMU 2.0, the right value for pc-i440fx-1.7 on 900 * QEMU 1.7 it is 6414. For RHEL/CentOS 7.0 it is 6418. 901 */ 902 pcmc->legacy_acpi_table_size = 6652; 903 pcmc->acpi_data_size = 0x10000; 904 } 905 906 DEFINE_I440FX_MACHINE(v2_0, "pc-i440fx-2.0", pc_compat_2_0_fn, 907 pc_i440fx_2_0_machine_options); 908 909 #ifdef CONFIG_ISAPC 910 static void isapc_machine_options(MachineClass *m) 911 { 912 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 913 m->desc = "ISA-only PC"; 914 m->max_cpus = 1; 915 m->option_rom_has_mr = true; 916 m->rom_file_has_mr = false; 917 pcmc->pci_enabled = false; 918 pcmc->has_acpi_build = false; 919 pcmc->smbios_defaults = false; 920 pcmc->gigabyte_align = false; 921 pcmc->smbios_legacy_mode = true; 922 pcmc->has_reserved_memory = false; 923 m->default_nic = "ne2k_isa"; 924 m->default_cpu_type = X86_CPU_TYPE_NAME("486"); 925 m->no_parallel = !module_object_class_by_name(TYPE_ISA_PARALLEL); 926 } 927 928 DEFINE_PC_MACHINE(isapc, "isapc", pc_init_isa, 929 isapc_machine_options); 930 #endif 931 932 #ifdef CONFIG_XEN 933 static void xenfv_4_2_machine_options(MachineClass *m) 934 { 935 pc_i440fx_4_2_machine_options(m); 936 m->desc = "Xen Fully-virtualized PC"; 937 m->max_cpus = HVM_MAX_VCPUS; 938 m->default_machine_opts = "accel=xen,suppress-vmdesc=on"; 939 } 940 941 DEFINE_PC_MACHINE(xenfv_4_2, "xenfv-4.2", pc_xen_hvm_init, 942 xenfv_4_2_machine_options); 943 944 static void xenfv_3_1_machine_options(MachineClass *m) 945 { 946 pc_i440fx_3_1_machine_options(m); 947 m->desc = "Xen Fully-virtualized PC"; 948 m->alias = "xenfv"; 949 m->max_cpus = HVM_MAX_VCPUS; 950 m->default_machine_opts = "accel=xen,suppress-vmdesc=on"; 951 } 952 953 DEFINE_PC_MACHINE(xenfv, "xenfv-3.1", pc_xen_hvm_init, 954 xenfv_3_1_machine_options); 955 #endif 956