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.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/firmware/smbios.h" 40 #include "hw/pci/pci.h" 41 #include "hw/pci/pci_ids.h" 42 #include "hw/usb.h" 43 #include "net/net.h" 44 #include "hw/ide/isa.h" 45 #include "hw/ide/pci.h" 46 #include "hw/ide/piix.h" 47 #include "hw/irq.h" 48 #include "sysemu/kvm.h" 49 #include "hw/kvm/clock.h" 50 #include "hw/sysbus.h" 51 #include "hw/i2c/smbus_eeprom.h" 52 #include "exec/memory.h" 53 #include "hw/acpi/acpi.h" 54 #include "hw/acpi/piix4.h" 55 #include "hw/usb/hcd-uhci.h" 56 #include "qapi/error.h" 57 #include "qemu/error-report.h" 58 #include "sysemu/xen.h" 59 #ifdef CONFIG_XEN 60 #include <xen/hvm/hvm_info_table.h> 61 #include "hw/xen/xen_pt.h" 62 #endif 63 #include "hw/xen/xen-x86.h" 64 #include "hw/xen/xen.h" 65 #include "migration/global_state.h" 66 #include "migration/misc.h" 67 #include "sysemu/numa.h" 68 #include "hw/hyperv/vmbus-bridge.h" 69 #include "hw/mem/nvdimm.h" 70 #include "hw/i386/acpi-build.h" 71 #include "kvm/kvm-cpu.h" 72 73 #define MAX_IDE_BUS 2 74 75 #ifdef CONFIG_IDE_ISA 76 static const int ide_iobase[MAX_IDE_BUS] = { 0x1f0, 0x170 }; 77 static const int ide_iobase2[MAX_IDE_BUS] = { 0x3f6, 0x376 }; 78 static const int ide_irq[MAX_IDE_BUS] = { 14, 15 }; 79 #endif 80 81 /* 82 * Return the global irq number corresponding to a given device irq 83 * pin. We could also use the bus number to have a more precise mapping. 84 */ 85 static int pc_pci_slot_get_pirq(PCIDevice *pci_dev, int pci_intx) 86 { 87 int slot_addend; 88 slot_addend = PCI_SLOT(pci_dev->devfn) - 1; 89 return (pci_intx + slot_addend) & 3; 90 } 91 92 /* PC hardware initialisation */ 93 static void pc_init1(MachineState *machine, 94 const char *host_type, const char *pci_type) 95 { 96 PCMachineState *pcms = PC_MACHINE(machine); 97 PCMachineClass *pcmc = PC_MACHINE_GET_CLASS(pcms); 98 X86MachineState *x86ms = X86_MACHINE(machine); 99 MemoryRegion *system_memory = get_system_memory(); 100 MemoryRegion *system_io = get_system_io(); 101 PCIBus *pci_bus; 102 ISABus *isa_bus; 103 int piix3_devfn = -1; 104 qemu_irq smi_irq; 105 GSIState *gsi_state; 106 BusState *idebus[MAX_IDE_BUS]; 107 ISADevice *rtc_state; 108 MemoryRegion *ram_memory; 109 MemoryRegion *pci_memory; 110 MemoryRegion *rom_memory; 111 ram_addr_t lowmem; 112 uint64_t hole64_size; 113 DeviceState *i440fx_host; 114 115 /* 116 * Calculate ram split, for memory below and above 4G. It's a bit 117 * complicated for backward compatibility reasons ... 118 * 119 * - Traditional split is 3.5G (lowmem = 0xe0000000). This is the 120 * default value for max_ram_below_4g now. 121 * 122 * - Then, to gigabyte align the memory, we move the split to 3G 123 * (lowmem = 0xc0000000). But only in case we have to split in 124 * the first place, i.e. ram_size is larger than (traditional) 125 * lowmem. And for new machine types (gigabyte_align = true) 126 * only, for live migration compatibility reasons. 127 * 128 * - Next the max-ram-below-4g option was added, which allowed to 129 * reduce lowmem to a smaller value, to allow a larger PCI I/O 130 * window below 4G. qemu doesn't enforce gigabyte alignment here, 131 * but prints a warning. 132 * 133 * - Finally max-ram-below-4g got updated to also allow raising lowmem, 134 * so legacy non-PAE guests can get as much memory as possible in 135 * the 32bit address space below 4G. 136 * 137 * - Note that Xen has its own ram setup code in xen_ram_init(), 138 * called via xen_hvm_init_pc(). 139 * 140 * Examples: 141 * qemu -M pc-1.7 -m 4G (old default) -> 3584M low, 512M high 142 * qemu -M pc -m 4G (new default) -> 3072M low, 1024M high 143 * qemu -M pc,max-ram-below-4g=2G -m 4G -> 2048M low, 2048M high 144 * qemu -M pc,max-ram-below-4g=4G -m 3968M -> 3968M low (=4G-128M) 145 */ 146 if (xen_enabled()) { 147 xen_hvm_init_pc(pcms, &ram_memory); 148 } else { 149 ram_memory = machine->ram; 150 if (!pcms->max_ram_below_4g) { 151 pcms->max_ram_below_4g = 0xe0000000; /* default: 3.5G */ 152 } 153 lowmem = pcms->max_ram_below_4g; 154 if (machine->ram_size >= pcms->max_ram_below_4g) { 155 if (pcmc->gigabyte_align) { 156 if (lowmem > 0xc0000000) { 157 lowmem = 0xc0000000; 158 } 159 if (lowmem & (1 * GiB - 1)) { 160 warn_report("Large machine and max_ram_below_4g " 161 "(%" PRIu64 ") not a multiple of 1G; " 162 "possible bad performance.", 163 pcms->max_ram_below_4g); 164 } 165 } 166 } 167 168 if (machine->ram_size >= lowmem) { 169 x86ms->above_4g_mem_size = machine->ram_size - lowmem; 170 x86ms->below_4g_mem_size = lowmem; 171 } else { 172 x86ms->above_4g_mem_size = 0; 173 x86ms->below_4g_mem_size = machine->ram_size; 174 } 175 } 176 177 pc_machine_init_sgx_epc(pcms); 178 x86_cpus_init(x86ms, pcmc->default_cpu_version); 179 180 if (pcmc->kvmclock_enabled) { 181 kvmclock_create(pcmc->kvmclock_create_always); 182 } 183 184 if (pcmc->pci_enabled) { 185 pci_memory = g_new(MemoryRegion, 1); 186 memory_region_init(pci_memory, NULL, "pci", UINT64_MAX); 187 rom_memory = pci_memory; 188 i440fx_host = qdev_new(host_type); 189 hole64_size = object_property_get_uint(OBJECT(i440fx_host), 190 PCI_HOST_PROP_PCI_HOLE64_SIZE, 191 &error_abort); 192 } else { 193 pci_memory = NULL; 194 rom_memory = system_memory; 195 i440fx_host = NULL; 196 hole64_size = 0; 197 } 198 199 pc_guest_info_init(pcms); 200 201 if (pcmc->smbios_defaults) { 202 MachineClass *mc = MACHINE_GET_CLASS(machine); 203 /* These values are guest ABI, do not change */ 204 smbios_set_defaults("QEMU", mc->desc, 205 mc->name, pcmc->smbios_legacy_mode, 206 pcmc->smbios_uuid_encoded, 207 pcms->smbios_entry_point_type); 208 } 209 210 /* allocate ram and load rom/bios */ 211 if (!xen_enabled()) { 212 pc_memory_init(pcms, system_memory, rom_memory, hole64_size); 213 } else { 214 pc_system_flash_cleanup_unused(pcms); 215 if (machine->kernel_filename != NULL) { 216 /* For xen HVM direct kernel boot, load linux here */ 217 xen_load_linux(pcms); 218 } 219 } 220 221 gsi_state = pc_gsi_create(&x86ms->gsi, pcmc->pci_enabled); 222 223 if (pcmc->pci_enabled) { 224 PIIX3State *piix3; 225 PCIDevice *pci_dev; 226 const char *type = xen_enabled() ? TYPE_PIIX3_XEN_DEVICE 227 : TYPE_PIIX3_DEVICE; 228 229 pci_bus = i440fx_init(pci_type, 230 i440fx_host, 231 system_memory, system_io, machine->ram_size, 232 x86ms->below_4g_mem_size, 233 x86ms->above_4g_mem_size, 234 pci_memory, ram_memory); 235 pci_bus_map_irqs(pci_bus, 236 xen_enabled() ? xen_pci_slot_get_pirq 237 : pc_pci_slot_get_pirq); 238 pcms->bus = pci_bus; 239 240 pci_dev = pci_create_simple_multifunction(pci_bus, -1, true, type); 241 piix3 = PIIX3_PCI_DEVICE(pci_dev); 242 piix3->pic = x86ms->gsi; 243 piix3_devfn = piix3->dev.devfn; 244 isa_bus = ISA_BUS(qdev_get_child_bus(DEVICE(piix3), "isa.0")); 245 rtc_state = ISA_DEVICE(object_resolve_path_component(OBJECT(pci_dev), 246 "rtc")); 247 } else { 248 pci_bus = NULL; 249 isa_bus = isa_bus_new(NULL, system_memory, system_io, 250 &error_abort); 251 252 rtc_state = isa_new(TYPE_MC146818_RTC); 253 qdev_prop_set_int32(DEVICE(rtc_state), "base_year", 2000); 254 isa_realize_and_unref(rtc_state, isa_bus, &error_fatal); 255 256 i8257_dma_init(isa_bus, 0); 257 pcms->hpet_enabled = false; 258 } 259 isa_bus_register_input_irqs(isa_bus, x86ms->gsi); 260 261 if (x86ms->pic == ON_OFF_AUTO_ON || x86ms->pic == ON_OFF_AUTO_AUTO) { 262 pc_i8259_create(isa_bus, gsi_state->i8259_irq); 263 } 264 265 if (pcmc->pci_enabled) { 266 ioapic_init_gsi(gsi_state, "i440fx"); 267 } 268 269 if (tcg_enabled()) { 270 x86_register_ferr_irq(x86ms->gsi[13]); 271 } 272 273 pc_vga_init(isa_bus, pcmc->pci_enabled ? pci_bus : NULL); 274 275 assert(pcms->vmport != ON_OFF_AUTO__MAX); 276 if (pcms->vmport == ON_OFF_AUTO_AUTO) { 277 pcms->vmport = xen_enabled() ? ON_OFF_AUTO_OFF : ON_OFF_AUTO_ON; 278 } 279 280 /* init basic PC hardware */ 281 pc_basic_device_init(pcms, isa_bus, x86ms->gsi, rtc_state, true, 282 0x4); 283 284 pc_nic_init(pcmc, isa_bus, pci_bus); 285 286 if (pcmc->pci_enabled) { 287 PCIDevice *dev; 288 289 dev = pci_create_simple(pci_bus, piix3_devfn + 1, TYPE_PIIX3_IDE); 290 pci_ide_create_devs(dev); 291 idebus[0] = qdev_get_child_bus(&dev->qdev, "ide.0"); 292 idebus[1] = qdev_get_child_bus(&dev->qdev, "ide.1"); 293 pc_cmos_init(pcms, idebus[0], idebus[1], rtc_state); 294 } 295 #ifdef CONFIG_IDE_ISA 296 else { 297 DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS]; 298 int i; 299 300 ide_drive_get(hd, ARRAY_SIZE(hd)); 301 for (i = 0; i < MAX_IDE_BUS; i++) { 302 ISADevice *dev; 303 char busname[] = "ide.0"; 304 dev = isa_ide_init(isa_bus, ide_iobase[i], ide_iobase2[i], 305 ide_irq[i], 306 hd[MAX_IDE_DEVS * i], hd[MAX_IDE_DEVS * i + 1]); 307 /* 308 * The ide bus name is ide.0 for the first bus and ide.1 for the 309 * second one. 310 */ 311 busname[4] = '0' + i; 312 idebus[i] = qdev_get_child_bus(DEVICE(dev), busname); 313 } 314 pc_cmos_init(pcms, idebus[0], idebus[1], rtc_state); 315 } 316 #endif 317 318 if (pcmc->pci_enabled && machine_usb(machine)) { 319 pci_create_simple(pci_bus, piix3_devfn + 2, TYPE_PIIX3_USB_UHCI); 320 } 321 322 if (pcmc->pci_enabled && x86_machine_is_acpi_enabled(X86_MACHINE(pcms))) { 323 PCIDevice *piix4_pm; 324 325 smi_irq = qemu_allocate_irq(pc_acpi_smi_interrupt, first_cpu, 0); 326 piix4_pm = pci_new(piix3_devfn + 3, TYPE_PIIX4_PM); 327 qdev_prop_set_uint32(DEVICE(piix4_pm), "smb_io_base", 0xb100); 328 qdev_prop_set_bit(DEVICE(piix4_pm), "smm-enabled", 329 x86_machine_is_smm_enabled(x86ms)); 330 pci_realize_and_unref(piix4_pm, pci_bus, &error_fatal); 331 332 qdev_connect_gpio_out(DEVICE(piix4_pm), 0, x86ms->gsi[9]); 333 qdev_connect_gpio_out_named(DEVICE(piix4_pm), "smi-irq", 0, smi_irq); 334 pcms->smbus = I2C_BUS(qdev_get_child_bus(DEVICE(piix4_pm), "i2c")); 335 /* TODO: Populate SPD eeprom data. */ 336 smbus_eeprom_init(pcms->smbus, 8, NULL, 0); 337 338 object_property_add_link(OBJECT(machine), PC_MACHINE_ACPI_DEVICE_PROP, 339 TYPE_HOTPLUG_HANDLER, 340 (Object **)&x86ms->acpi_dev, 341 object_property_allow_set_link, 342 OBJ_PROP_LINK_STRONG); 343 object_property_set_link(OBJECT(machine), PC_MACHINE_ACPI_DEVICE_PROP, 344 OBJECT(piix4_pm), &error_abort); 345 } 346 347 if (machine->nvdimms_state->is_enabled) { 348 nvdimm_init_acpi_state(machine->nvdimms_state, system_io, 349 x86_nvdimm_acpi_dsmio, 350 x86ms->fw_cfg, OBJECT(pcms)); 351 } 352 } 353 354 /* Looking for a pc_compat_2_4() function? It doesn't exist. 355 * pc_compat_*() functions that run on machine-init time and 356 * change global QEMU state are deprecated. Please don't create 357 * one, and implement any pc-*-2.4 (and newer) compat code in 358 * hw_compat_*, pc_compat_*, or * pc_*_machine_options(). 359 */ 360 361 static void pc_compat_2_3_fn(MachineState *machine) 362 { 363 X86MachineState *x86ms = X86_MACHINE(machine); 364 if (kvm_enabled()) { 365 x86ms->smm = ON_OFF_AUTO_OFF; 366 } 367 } 368 369 static void pc_compat_2_2_fn(MachineState *machine) 370 { 371 pc_compat_2_3_fn(machine); 372 } 373 374 static void pc_compat_2_1_fn(MachineState *machine) 375 { 376 pc_compat_2_2_fn(machine); 377 x86_cpu_change_kvm_default("svm", NULL); 378 } 379 380 static void pc_compat_2_0_fn(MachineState *machine) 381 { 382 pc_compat_2_1_fn(machine); 383 } 384 385 static void pc_compat_1_7_fn(MachineState *machine) 386 { 387 pc_compat_2_0_fn(machine); 388 x86_cpu_change_kvm_default("x2apic", NULL); 389 } 390 391 static void pc_compat_1_6_fn(MachineState *machine) 392 { 393 pc_compat_1_7_fn(machine); 394 } 395 396 static void pc_compat_1_5_fn(MachineState *machine) 397 { 398 pc_compat_1_6_fn(machine); 399 } 400 401 static void pc_compat_1_4_fn(MachineState *machine) 402 { 403 pc_compat_1_5_fn(machine); 404 } 405 406 #ifdef CONFIG_ISAPC 407 static void pc_init_isa(MachineState *machine) 408 { 409 pc_init1(machine, TYPE_I440FX_PCI_HOST_BRIDGE, TYPE_I440FX_PCI_DEVICE); 410 } 411 #endif 412 413 #ifdef CONFIG_XEN 414 static void pc_xen_hvm_init_pci(MachineState *machine) 415 { 416 const char *pci_type = xen_igd_gfx_pt_enabled() ? 417 TYPE_IGD_PASSTHROUGH_I440FX_PCI_DEVICE : TYPE_I440FX_PCI_DEVICE; 418 419 pc_init1(machine, 420 TYPE_I440FX_PCI_HOST_BRIDGE, 421 pci_type); 422 } 423 424 static void pc_xen_hvm_init(MachineState *machine) 425 { 426 PCMachineState *pcms = PC_MACHINE(machine); 427 428 if (!xen_enabled()) { 429 error_report("xenfv machine requires the xen accelerator"); 430 exit(1); 431 } 432 433 pc_xen_hvm_init_pci(machine); 434 xen_igd_reserve_slot(pcms->bus); 435 pci_create_simple(pcms->bus, -1, "xen-platform"); 436 } 437 #endif 438 439 #define DEFINE_I440FX_MACHINE(suffix, name, compatfn, optionfn) \ 440 static void pc_init_##suffix(MachineState *machine) \ 441 { \ 442 void (*compat)(MachineState *m) = (compatfn); \ 443 if (compat) { \ 444 compat(machine); \ 445 } \ 446 pc_init1(machine, TYPE_I440FX_PCI_HOST_BRIDGE, \ 447 TYPE_I440FX_PCI_DEVICE); \ 448 } \ 449 DEFINE_PC_MACHINE(suffix, name, pc_init_##suffix, optionfn) 450 451 static void pc_i440fx_machine_options(MachineClass *m) 452 { 453 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 454 pcmc->pci_root_uid = 0; 455 pcmc->default_cpu_version = 1; 456 457 m->family = "pc_piix"; 458 m->desc = "Standard PC (i440FX + PIIX, 1996)"; 459 m->default_machine_opts = "firmware=bios-256k.bin"; 460 m->default_display = "std"; 461 m->default_nic = "e1000"; 462 m->no_parallel = !module_object_class_by_name(TYPE_ISA_PARALLEL); 463 machine_class_allow_dynamic_sysbus_dev(m, TYPE_RAMFB_DEVICE); 464 machine_class_allow_dynamic_sysbus_dev(m, TYPE_VMBUS_BRIDGE); 465 } 466 467 static void pc_i440fx_8_1_machine_options(MachineClass *m) 468 { 469 pc_i440fx_machine_options(m); 470 m->alias = "pc"; 471 m->is_default = true; 472 } 473 474 DEFINE_I440FX_MACHINE(v8_1, "pc-i440fx-8.1", NULL, 475 pc_i440fx_8_1_machine_options); 476 477 static void pc_i440fx_8_0_machine_options(MachineClass *m) 478 { 479 pc_i440fx_8_1_machine_options(m); 480 m->alias = NULL; 481 m->is_default = false; 482 compat_props_add(m->compat_props, hw_compat_8_0, hw_compat_8_0_len); 483 compat_props_add(m->compat_props, pc_compat_8_0, pc_compat_8_0_len); 484 } 485 486 DEFINE_I440FX_MACHINE(v8_0, "pc-i440fx-8.0", NULL, 487 pc_i440fx_8_0_machine_options); 488 489 static void pc_i440fx_7_2_machine_options(MachineClass *m) 490 { 491 pc_i440fx_8_0_machine_options(m); 492 compat_props_add(m->compat_props, hw_compat_7_2, hw_compat_7_2_len); 493 compat_props_add(m->compat_props, pc_compat_7_2, pc_compat_7_2_len); 494 } 495 496 DEFINE_I440FX_MACHINE(v7_2, "pc-i440fx-7.2", NULL, 497 pc_i440fx_7_2_machine_options); 498 499 static void pc_i440fx_7_1_machine_options(MachineClass *m) 500 { 501 pc_i440fx_7_2_machine_options(m); 502 compat_props_add(m->compat_props, hw_compat_7_1, hw_compat_7_1_len); 503 compat_props_add(m->compat_props, pc_compat_7_1, pc_compat_7_1_len); 504 } 505 506 DEFINE_I440FX_MACHINE(v7_1, "pc-i440fx-7.1", NULL, 507 pc_i440fx_7_1_machine_options); 508 509 static void pc_i440fx_7_0_machine_options(MachineClass *m) 510 { 511 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 512 pc_i440fx_7_1_machine_options(m); 513 pcmc->enforce_amd_1tb_hole = false; 514 compat_props_add(m->compat_props, hw_compat_7_0, hw_compat_7_0_len); 515 compat_props_add(m->compat_props, pc_compat_7_0, pc_compat_7_0_len); 516 } 517 518 DEFINE_I440FX_MACHINE(v7_0, "pc-i440fx-7.0", NULL, 519 pc_i440fx_7_0_machine_options); 520 521 static void pc_i440fx_6_2_machine_options(MachineClass *m) 522 { 523 pc_i440fx_7_0_machine_options(m); 524 compat_props_add(m->compat_props, hw_compat_6_2, hw_compat_6_2_len); 525 compat_props_add(m->compat_props, pc_compat_6_2, pc_compat_6_2_len); 526 } 527 528 DEFINE_I440FX_MACHINE(v6_2, "pc-i440fx-6.2", NULL, 529 pc_i440fx_6_2_machine_options); 530 531 static void pc_i440fx_6_1_machine_options(MachineClass *m) 532 { 533 pc_i440fx_6_2_machine_options(m); 534 compat_props_add(m->compat_props, hw_compat_6_1, hw_compat_6_1_len); 535 compat_props_add(m->compat_props, pc_compat_6_1, pc_compat_6_1_len); 536 m->smp_props.prefer_sockets = true; 537 } 538 539 DEFINE_I440FX_MACHINE(v6_1, "pc-i440fx-6.1", NULL, 540 pc_i440fx_6_1_machine_options); 541 542 static void pc_i440fx_6_0_machine_options(MachineClass *m) 543 { 544 pc_i440fx_6_1_machine_options(m); 545 compat_props_add(m->compat_props, hw_compat_6_0, hw_compat_6_0_len); 546 compat_props_add(m->compat_props, pc_compat_6_0, pc_compat_6_0_len); 547 } 548 549 DEFINE_I440FX_MACHINE(v6_0, "pc-i440fx-6.0", NULL, 550 pc_i440fx_6_0_machine_options); 551 552 static void pc_i440fx_5_2_machine_options(MachineClass *m) 553 { 554 pc_i440fx_6_0_machine_options(m); 555 compat_props_add(m->compat_props, hw_compat_5_2, hw_compat_5_2_len); 556 compat_props_add(m->compat_props, pc_compat_5_2, pc_compat_5_2_len); 557 } 558 559 DEFINE_I440FX_MACHINE(v5_2, "pc-i440fx-5.2", NULL, 560 pc_i440fx_5_2_machine_options); 561 562 static void pc_i440fx_5_1_machine_options(MachineClass *m) 563 { 564 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 565 566 pc_i440fx_5_2_machine_options(m); 567 compat_props_add(m->compat_props, hw_compat_5_1, hw_compat_5_1_len); 568 compat_props_add(m->compat_props, pc_compat_5_1, pc_compat_5_1_len); 569 pcmc->kvmclock_create_always = false; 570 pcmc->pci_root_uid = 1; 571 } 572 573 DEFINE_I440FX_MACHINE(v5_1, "pc-i440fx-5.1", NULL, 574 pc_i440fx_5_1_machine_options); 575 576 static void pc_i440fx_5_0_machine_options(MachineClass *m) 577 { 578 pc_i440fx_5_1_machine_options(m); 579 m->numa_mem_supported = true; 580 compat_props_add(m->compat_props, hw_compat_5_0, hw_compat_5_0_len); 581 compat_props_add(m->compat_props, pc_compat_5_0, pc_compat_5_0_len); 582 m->auto_enable_numa_with_memdev = false; 583 } 584 585 DEFINE_I440FX_MACHINE(v5_0, "pc-i440fx-5.0", NULL, 586 pc_i440fx_5_0_machine_options); 587 588 static void pc_i440fx_4_2_machine_options(MachineClass *m) 589 { 590 pc_i440fx_5_0_machine_options(m); 591 compat_props_add(m->compat_props, hw_compat_4_2, hw_compat_4_2_len); 592 compat_props_add(m->compat_props, pc_compat_4_2, pc_compat_4_2_len); 593 } 594 595 DEFINE_I440FX_MACHINE(v4_2, "pc-i440fx-4.2", NULL, 596 pc_i440fx_4_2_machine_options); 597 598 static void pc_i440fx_4_1_machine_options(MachineClass *m) 599 { 600 pc_i440fx_4_2_machine_options(m); 601 compat_props_add(m->compat_props, hw_compat_4_1, hw_compat_4_1_len); 602 compat_props_add(m->compat_props, pc_compat_4_1, pc_compat_4_1_len); 603 } 604 605 DEFINE_I440FX_MACHINE(v4_1, "pc-i440fx-4.1", NULL, 606 pc_i440fx_4_1_machine_options); 607 608 static void pc_i440fx_4_0_machine_options(MachineClass *m) 609 { 610 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 611 pc_i440fx_4_1_machine_options(m); 612 pcmc->default_cpu_version = CPU_VERSION_LEGACY; 613 compat_props_add(m->compat_props, hw_compat_4_0, hw_compat_4_0_len); 614 compat_props_add(m->compat_props, pc_compat_4_0, pc_compat_4_0_len); 615 } 616 617 DEFINE_I440FX_MACHINE(v4_0, "pc-i440fx-4.0", NULL, 618 pc_i440fx_4_0_machine_options); 619 620 static void pc_i440fx_3_1_machine_options(MachineClass *m) 621 { 622 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 623 624 pc_i440fx_4_0_machine_options(m); 625 m->smbus_no_migration_support = true; 626 pcmc->pvh_enabled = false; 627 compat_props_add(m->compat_props, hw_compat_3_1, hw_compat_3_1_len); 628 compat_props_add(m->compat_props, pc_compat_3_1, pc_compat_3_1_len); 629 } 630 631 DEFINE_I440FX_MACHINE(v3_1, "pc-i440fx-3.1", NULL, 632 pc_i440fx_3_1_machine_options); 633 634 static void pc_i440fx_3_0_machine_options(MachineClass *m) 635 { 636 pc_i440fx_3_1_machine_options(m); 637 compat_props_add(m->compat_props, hw_compat_3_0, hw_compat_3_0_len); 638 compat_props_add(m->compat_props, pc_compat_3_0, pc_compat_3_0_len); 639 } 640 641 DEFINE_I440FX_MACHINE(v3_0, "pc-i440fx-3.0", NULL, 642 pc_i440fx_3_0_machine_options); 643 644 static void pc_i440fx_2_12_machine_options(MachineClass *m) 645 { 646 pc_i440fx_3_0_machine_options(m); 647 compat_props_add(m->compat_props, hw_compat_2_12, hw_compat_2_12_len); 648 compat_props_add(m->compat_props, pc_compat_2_12, pc_compat_2_12_len); 649 } 650 651 DEFINE_I440FX_MACHINE(v2_12, "pc-i440fx-2.12", NULL, 652 pc_i440fx_2_12_machine_options); 653 654 static void pc_i440fx_2_11_machine_options(MachineClass *m) 655 { 656 pc_i440fx_2_12_machine_options(m); 657 compat_props_add(m->compat_props, hw_compat_2_11, hw_compat_2_11_len); 658 compat_props_add(m->compat_props, pc_compat_2_11, pc_compat_2_11_len); 659 } 660 661 DEFINE_I440FX_MACHINE(v2_11, "pc-i440fx-2.11", NULL, 662 pc_i440fx_2_11_machine_options); 663 664 static void pc_i440fx_2_10_machine_options(MachineClass *m) 665 { 666 pc_i440fx_2_11_machine_options(m); 667 compat_props_add(m->compat_props, hw_compat_2_10, hw_compat_2_10_len); 668 compat_props_add(m->compat_props, pc_compat_2_10, pc_compat_2_10_len); 669 m->auto_enable_numa_with_memhp = false; 670 } 671 672 DEFINE_I440FX_MACHINE(v2_10, "pc-i440fx-2.10", NULL, 673 pc_i440fx_2_10_machine_options); 674 675 static void pc_i440fx_2_9_machine_options(MachineClass *m) 676 { 677 pc_i440fx_2_10_machine_options(m); 678 compat_props_add(m->compat_props, hw_compat_2_9, hw_compat_2_9_len); 679 compat_props_add(m->compat_props, pc_compat_2_9, pc_compat_2_9_len); 680 } 681 682 DEFINE_I440FX_MACHINE(v2_9, "pc-i440fx-2.9", NULL, 683 pc_i440fx_2_9_machine_options); 684 685 static void pc_i440fx_2_8_machine_options(MachineClass *m) 686 { 687 pc_i440fx_2_9_machine_options(m); 688 compat_props_add(m->compat_props, hw_compat_2_8, hw_compat_2_8_len); 689 compat_props_add(m->compat_props, pc_compat_2_8, pc_compat_2_8_len); 690 } 691 692 DEFINE_I440FX_MACHINE(v2_8, "pc-i440fx-2.8", NULL, 693 pc_i440fx_2_8_machine_options); 694 695 static void pc_i440fx_2_7_machine_options(MachineClass *m) 696 { 697 pc_i440fx_2_8_machine_options(m); 698 compat_props_add(m->compat_props, hw_compat_2_7, hw_compat_2_7_len); 699 compat_props_add(m->compat_props, pc_compat_2_7, pc_compat_2_7_len); 700 } 701 702 DEFINE_I440FX_MACHINE(v2_7, "pc-i440fx-2.7", NULL, 703 pc_i440fx_2_7_machine_options); 704 705 static void pc_i440fx_2_6_machine_options(MachineClass *m) 706 { 707 X86MachineClass *x86mc = X86_MACHINE_CLASS(m); 708 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 709 710 pc_i440fx_2_7_machine_options(m); 711 pcmc->legacy_cpu_hotplug = true; 712 x86mc->fwcfg_dma_enabled = false; 713 compat_props_add(m->compat_props, hw_compat_2_6, hw_compat_2_6_len); 714 compat_props_add(m->compat_props, pc_compat_2_6, pc_compat_2_6_len); 715 } 716 717 DEFINE_I440FX_MACHINE(v2_6, "pc-i440fx-2.6", NULL, 718 pc_i440fx_2_6_machine_options); 719 720 static void pc_i440fx_2_5_machine_options(MachineClass *m) 721 { 722 X86MachineClass *x86mc = X86_MACHINE_CLASS(m); 723 724 pc_i440fx_2_6_machine_options(m); 725 x86mc->save_tsc_khz = false; 726 m->legacy_fw_cfg_order = 1; 727 compat_props_add(m->compat_props, hw_compat_2_5, hw_compat_2_5_len); 728 compat_props_add(m->compat_props, pc_compat_2_5, pc_compat_2_5_len); 729 } 730 731 DEFINE_I440FX_MACHINE(v2_5, "pc-i440fx-2.5", NULL, 732 pc_i440fx_2_5_machine_options); 733 734 static void pc_i440fx_2_4_machine_options(MachineClass *m) 735 { 736 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 737 738 pc_i440fx_2_5_machine_options(m); 739 m->hw_version = "2.4.0"; 740 pcmc->broken_reserved_end = true; 741 compat_props_add(m->compat_props, hw_compat_2_4, hw_compat_2_4_len); 742 compat_props_add(m->compat_props, pc_compat_2_4, pc_compat_2_4_len); 743 } 744 745 DEFINE_I440FX_MACHINE(v2_4, "pc-i440fx-2.4", NULL, 746 pc_i440fx_2_4_machine_options) 747 748 static void pc_i440fx_2_3_machine_options(MachineClass *m) 749 { 750 pc_i440fx_2_4_machine_options(m); 751 m->hw_version = "2.3.0"; 752 compat_props_add(m->compat_props, hw_compat_2_3, hw_compat_2_3_len); 753 compat_props_add(m->compat_props, pc_compat_2_3, pc_compat_2_3_len); 754 } 755 756 DEFINE_I440FX_MACHINE(v2_3, "pc-i440fx-2.3", pc_compat_2_3_fn, 757 pc_i440fx_2_3_machine_options); 758 759 static void pc_i440fx_2_2_machine_options(MachineClass *m) 760 { 761 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 762 763 pc_i440fx_2_3_machine_options(m); 764 m->hw_version = "2.2.0"; 765 m->default_machine_opts = "firmware=bios-256k.bin,suppress-vmdesc=on"; 766 compat_props_add(m->compat_props, hw_compat_2_2, hw_compat_2_2_len); 767 compat_props_add(m->compat_props, pc_compat_2_2, pc_compat_2_2_len); 768 pcmc->rsdp_in_ram = false; 769 pcmc->resizable_acpi_blob = false; 770 } 771 772 DEFINE_I440FX_MACHINE(v2_2, "pc-i440fx-2.2", pc_compat_2_2_fn, 773 pc_i440fx_2_2_machine_options); 774 775 static void pc_i440fx_2_1_machine_options(MachineClass *m) 776 { 777 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 778 779 pc_i440fx_2_2_machine_options(m); 780 m->hw_version = "2.1.0"; 781 m->default_display = NULL; 782 compat_props_add(m->compat_props, hw_compat_2_1, hw_compat_2_1_len); 783 compat_props_add(m->compat_props, pc_compat_2_1, pc_compat_2_1_len); 784 pcmc->smbios_uuid_encoded = false; 785 pcmc->enforce_aligned_dimm = false; 786 } 787 788 DEFINE_I440FX_MACHINE(v2_1, "pc-i440fx-2.1", pc_compat_2_1_fn, 789 pc_i440fx_2_1_machine_options); 790 791 static void pc_i440fx_2_0_machine_options(MachineClass *m) 792 { 793 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 794 795 pc_i440fx_2_1_machine_options(m); 796 m->hw_version = "2.0.0"; 797 compat_props_add(m->compat_props, pc_compat_2_0, pc_compat_2_0_len); 798 pcmc->smbios_legacy_mode = true; 799 pcmc->has_reserved_memory = false; 800 /* This value depends on the actual DSDT and SSDT compiled into 801 * the source QEMU; unfortunately it depends on the binary and 802 * not on the machine type, so we cannot make pc-i440fx-1.7 work on 803 * both QEMU 1.7 and QEMU 2.0. 804 * 805 * Large variations cause migration to fail for more than one 806 * consecutive value of the "-smp" maxcpus option. 807 * 808 * For small variations of the kind caused by different iasl versions, 809 * the 4k rounding usually leaves slack. However, there could be still 810 * one or two values that break. For QEMU 1.7 and QEMU 2.0 the 811 * slack is only ~10 bytes before one "-smp maxcpus" value breaks! 812 * 813 * 6652 is valid for QEMU 2.0, the right value for pc-i440fx-1.7 on 814 * QEMU 1.7 it is 6414. For RHEL/CentOS 7.0 it is 6418. 815 */ 816 pcmc->legacy_acpi_table_size = 6652; 817 pcmc->acpi_data_size = 0x10000; 818 } 819 820 DEFINE_I440FX_MACHINE(v2_0, "pc-i440fx-2.0", pc_compat_2_0_fn, 821 pc_i440fx_2_0_machine_options); 822 823 static void pc_i440fx_1_7_machine_options(MachineClass *m) 824 { 825 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 826 827 pc_i440fx_2_0_machine_options(m); 828 m->hw_version = "1.7.0"; 829 m->default_machine_opts = NULL; 830 m->option_rom_has_mr = true; 831 m->deprecation_reason = "old and unattended - use a newer version instead"; 832 compat_props_add(m->compat_props, pc_compat_1_7, pc_compat_1_7_len); 833 pcmc->smbios_defaults = false; 834 pcmc->gigabyte_align = false; 835 pcmc->legacy_acpi_table_size = 6414; 836 } 837 838 DEFINE_I440FX_MACHINE(v1_7, "pc-i440fx-1.7", pc_compat_1_7_fn, 839 pc_i440fx_1_7_machine_options); 840 841 static void pc_i440fx_1_6_machine_options(MachineClass *m) 842 { 843 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 844 845 pc_i440fx_1_7_machine_options(m); 846 m->hw_version = "1.6.0"; 847 m->rom_file_has_mr = false; 848 compat_props_add(m->compat_props, pc_compat_1_6, pc_compat_1_6_len); 849 pcmc->has_acpi_build = false; 850 } 851 852 DEFINE_I440FX_MACHINE(v1_6, "pc-i440fx-1.6", pc_compat_1_6_fn, 853 pc_i440fx_1_6_machine_options); 854 855 static void pc_i440fx_1_5_machine_options(MachineClass *m) 856 { 857 pc_i440fx_1_6_machine_options(m); 858 m->hw_version = "1.5.0"; 859 compat_props_add(m->compat_props, pc_compat_1_5, pc_compat_1_5_len); 860 } 861 862 DEFINE_I440FX_MACHINE(v1_5, "pc-i440fx-1.5", pc_compat_1_5_fn, 863 pc_i440fx_1_5_machine_options); 864 865 static void pc_i440fx_1_4_machine_options(MachineClass *m) 866 { 867 pc_i440fx_1_5_machine_options(m); 868 m->hw_version = "1.4.0"; 869 compat_props_add(m->compat_props, pc_compat_1_4, pc_compat_1_4_len); 870 } 871 872 DEFINE_I440FX_MACHINE(v1_4, "pc-i440fx-1.4", pc_compat_1_4_fn, 873 pc_i440fx_1_4_machine_options); 874 875 #ifdef CONFIG_ISAPC 876 static void isapc_machine_options(MachineClass *m) 877 { 878 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 879 m->desc = "ISA-only PC"; 880 m->max_cpus = 1; 881 m->option_rom_has_mr = true; 882 m->rom_file_has_mr = false; 883 pcmc->pci_enabled = false; 884 pcmc->has_acpi_build = false; 885 pcmc->smbios_defaults = false; 886 pcmc->gigabyte_align = false; 887 pcmc->smbios_legacy_mode = true; 888 pcmc->has_reserved_memory = false; 889 m->default_nic = "ne2k_isa"; 890 m->default_cpu_type = X86_CPU_TYPE_NAME("486"); 891 m->no_parallel = !module_object_class_by_name(TYPE_ISA_PARALLEL); 892 } 893 894 DEFINE_PC_MACHINE(isapc, "isapc", pc_init_isa, 895 isapc_machine_options); 896 #endif 897 898 #ifdef CONFIG_XEN 899 static void xenfv_4_2_machine_options(MachineClass *m) 900 { 901 pc_i440fx_4_2_machine_options(m); 902 m->desc = "Xen Fully-virtualized PC"; 903 m->max_cpus = HVM_MAX_VCPUS; 904 m->default_machine_opts = "accel=xen,suppress-vmdesc=on"; 905 } 906 907 DEFINE_PC_MACHINE(xenfv_4_2, "xenfv-4.2", pc_xen_hvm_init, 908 xenfv_4_2_machine_options); 909 910 static void xenfv_3_1_machine_options(MachineClass *m) 911 { 912 pc_i440fx_3_1_machine_options(m); 913 m->desc = "Xen Fully-virtualized PC"; 914 m->alias = "xenfv"; 915 m->max_cpus = HVM_MAX_VCPUS; 916 m->default_machine_opts = "accel=xen,suppress-vmdesc=on"; 917 } 918 919 DEFINE_PC_MACHINE(xenfv, "xenfv-3.1", pc_xen_hvm_init, 920 xenfv_3_1_machine_options); 921 #endif 922