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/loader.h" 30 #include "hw/i386/x86.h" 31 #include "hw/i386/pc.h" 32 #include "hw/i386/apic.h" 33 #include "hw/pci-host/i440fx.h" 34 #include "hw/southbridge/piix.h" 35 #include "hw/display/ramfb.h" 36 #include "hw/firmware/smbios.h" 37 #include "hw/pci/pci.h" 38 #include "hw/pci/pci_ids.h" 39 #include "hw/usb.h" 40 #include "net/net.h" 41 #include "hw/ide/pci.h" 42 #include "hw/irq.h" 43 #include "sysemu/kvm.h" 44 #include "hw/kvm/clock.h" 45 #include "hw/sysbus.h" 46 #include "hw/i2c/smbus_eeprom.h" 47 #include "hw/xen/xen-x86.h" 48 #include "exec/memory.h" 49 #include "hw/acpi/acpi.h" 50 #include "qapi/error.h" 51 #include "qemu/error-report.h" 52 #include "sysemu/xen.h" 53 #ifdef CONFIG_XEN 54 #include <xen/hvm/hvm_info_table.h> 55 #include "hw/xen/xen_pt.h" 56 #endif 57 #include "migration/global_state.h" 58 #include "migration/misc.h" 59 #include "sysemu/numa.h" 60 #include "hw/hyperv/vmbus-bridge.h" 61 #include "hw/mem/nvdimm.h" 62 #include "hw/i386/acpi-build.h" 63 #include "kvm/kvm-cpu.h" 64 65 #define MAX_IDE_BUS 2 66 67 #ifdef CONFIG_IDE_ISA 68 static const int ide_iobase[MAX_IDE_BUS] = { 0x1f0, 0x170 }; 69 static const int ide_iobase2[MAX_IDE_BUS] = { 0x3f6, 0x376 }; 70 static const int ide_irq[MAX_IDE_BUS] = { 14, 15 }; 71 #endif 72 73 /* PC hardware initialisation */ 74 static void pc_init1(MachineState *machine, 75 const char *host_type, const char *pci_type) 76 { 77 PCMachineState *pcms = PC_MACHINE(machine); 78 PCMachineClass *pcmc = PC_MACHINE_GET_CLASS(pcms); 79 X86MachineState *x86ms = X86_MACHINE(machine); 80 MemoryRegion *system_memory = get_system_memory(); 81 MemoryRegion *system_io = get_system_io(); 82 PCIBus *pci_bus; 83 ISABus *isa_bus; 84 PCII440FXState *i440fx_state; 85 int piix3_devfn = -1; 86 qemu_irq smi_irq; 87 GSIState *gsi_state; 88 BusState *idebus[MAX_IDE_BUS]; 89 ISADevice *rtc_state; 90 MemoryRegion *ram_memory; 91 MemoryRegion *pci_memory; 92 MemoryRegion *rom_memory; 93 ram_addr_t lowmem; 94 95 /* 96 * Calculate ram split, for memory below and above 4G. It's a bit 97 * complicated for backward compatibility reasons ... 98 * 99 * - Traditional split is 3.5G (lowmem = 0xe0000000). This is the 100 * default value for max_ram_below_4g now. 101 * 102 * - Then, to gigabyte align the memory, we move the split to 3G 103 * (lowmem = 0xc0000000). But only in case we have to split in 104 * the first place, i.e. ram_size is larger than (traditional) 105 * lowmem. And for new machine types (gigabyte_align = true) 106 * only, for live migration compatibility reasons. 107 * 108 * - Next the max-ram-below-4g option was added, which allowed to 109 * reduce lowmem to a smaller value, to allow a larger PCI I/O 110 * window below 4G. qemu doesn't enforce gigabyte alignment here, 111 * but prints a warning. 112 * 113 * - Finally max-ram-below-4g got updated to also allow raising lowmem, 114 * so legacy non-PAE guests can get as much memory as possible in 115 * the 32bit address space below 4G. 116 * 117 * - Note that Xen has its own ram setup code in xen_ram_init(), 118 * called via xen_hvm_init_pc(). 119 * 120 * Examples: 121 * qemu -M pc-1.7 -m 4G (old default) -> 3584M low, 512M high 122 * qemu -M pc -m 4G (new default) -> 3072M low, 1024M high 123 * qemu -M pc,max-ram-below-4g=2G -m 4G -> 2048M low, 2048M high 124 * qemu -M pc,max-ram-below-4g=4G -m 3968M -> 3968M low (=4G-128M) 125 */ 126 if (xen_enabled()) { 127 xen_hvm_init_pc(pcms, &ram_memory); 128 } else { 129 if (!pcms->max_ram_below_4g) { 130 pcms->max_ram_below_4g = 0xe0000000; /* default: 3.5G */ 131 } 132 lowmem = pcms->max_ram_below_4g; 133 if (machine->ram_size >= pcms->max_ram_below_4g) { 134 if (pcmc->gigabyte_align) { 135 if (lowmem > 0xc0000000) { 136 lowmem = 0xc0000000; 137 } 138 if (lowmem & (1 * GiB - 1)) { 139 warn_report("Large machine and max_ram_below_4g " 140 "(%" PRIu64 ") not a multiple of 1G; " 141 "possible bad performance.", 142 pcms->max_ram_below_4g); 143 } 144 } 145 } 146 147 if (machine->ram_size >= lowmem) { 148 x86ms->above_4g_mem_size = machine->ram_size - lowmem; 149 x86ms->below_4g_mem_size = lowmem; 150 } else { 151 x86ms->above_4g_mem_size = 0; 152 x86ms->below_4g_mem_size = machine->ram_size; 153 } 154 } 155 156 pc_machine_init_sgx_epc(pcms); 157 x86_cpus_init(x86ms, pcmc->default_cpu_version); 158 159 if (pcmc->kvmclock_enabled) { 160 kvmclock_create(pcmc->kvmclock_create_always); 161 } 162 163 if (pcmc->pci_enabled) { 164 pci_memory = g_new(MemoryRegion, 1); 165 memory_region_init(pci_memory, NULL, "pci", UINT64_MAX); 166 rom_memory = pci_memory; 167 } else { 168 pci_memory = NULL; 169 rom_memory = system_memory; 170 } 171 172 pc_guest_info_init(pcms); 173 174 if (pcmc->smbios_defaults) { 175 MachineClass *mc = MACHINE_GET_CLASS(machine); 176 /* These values are guest ABI, do not change */ 177 smbios_set_defaults("QEMU", "Standard PC (i440FX + PIIX, 1996)", 178 mc->name, pcmc->smbios_legacy_mode, 179 pcmc->smbios_uuid_encoded, 180 pcms->smbios_entry_point_type); 181 } 182 183 /* allocate ram and load rom/bios */ 184 if (!xen_enabled()) { 185 pc_memory_init(pcms, system_memory, 186 rom_memory, &ram_memory); 187 } else { 188 pc_system_flash_cleanup_unused(pcms); 189 if (machine->kernel_filename != NULL) { 190 /* For xen HVM direct kernel boot, load linux here */ 191 xen_load_linux(pcms); 192 } 193 } 194 195 gsi_state = pc_gsi_create(&x86ms->gsi, pcmc->pci_enabled); 196 197 if (pcmc->pci_enabled) { 198 PIIX3State *piix3; 199 200 pci_bus = i440fx_init(host_type, 201 pci_type, 202 &i440fx_state, 203 system_memory, system_io, machine->ram_size, 204 x86ms->below_4g_mem_size, 205 x86ms->above_4g_mem_size, 206 pci_memory, ram_memory); 207 pcms->bus = pci_bus; 208 209 piix3 = piix3_create(pci_bus, &isa_bus); 210 piix3->pic = x86ms->gsi; 211 piix3_devfn = piix3->dev.devfn; 212 } else { 213 pci_bus = NULL; 214 i440fx_state = NULL; 215 isa_bus = isa_bus_new(NULL, get_system_memory(), system_io, 216 &error_abort); 217 pcms->hpet_enabled = false; 218 } 219 isa_bus_irqs(isa_bus, x86ms->gsi); 220 221 if (x86ms->pic == ON_OFF_AUTO_ON || x86ms->pic == ON_OFF_AUTO_AUTO) { 222 pc_i8259_create(isa_bus, gsi_state->i8259_irq); 223 } 224 225 if (pcmc->pci_enabled) { 226 ioapic_init_gsi(gsi_state, "i440fx"); 227 } 228 229 if (tcg_enabled()) { 230 x86_register_ferr_irq(x86ms->gsi[13]); 231 } 232 233 pc_vga_init(isa_bus, pcmc->pci_enabled ? pci_bus : NULL); 234 235 assert(pcms->vmport != ON_OFF_AUTO__MAX); 236 if (pcms->vmport == ON_OFF_AUTO_AUTO) { 237 pcms->vmport = xen_enabled() ? ON_OFF_AUTO_OFF : ON_OFF_AUTO_ON; 238 } 239 240 /* init basic PC hardware */ 241 pc_basic_device_init(pcms, isa_bus, x86ms->gsi, &rtc_state, true, 242 0x4); 243 244 pc_nic_init(pcmc, isa_bus, pci_bus); 245 246 if (pcmc->pci_enabled) { 247 PCIDevice *dev; 248 249 dev = pci_create_simple(pci_bus, piix3_devfn + 1, 250 xen_enabled() ? "piix3-ide-xen" : "piix3-ide"); 251 pci_ide_create_devs(dev); 252 idebus[0] = qdev_get_child_bus(&dev->qdev, "ide.0"); 253 idebus[1] = qdev_get_child_bus(&dev->qdev, "ide.1"); 254 pc_cmos_init(pcms, idebus[0], idebus[1], rtc_state); 255 } 256 #ifdef CONFIG_IDE_ISA 257 else { 258 DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS]; 259 int i; 260 261 ide_drive_get(hd, ARRAY_SIZE(hd)); 262 for (i = 0; i < MAX_IDE_BUS; i++) { 263 ISADevice *dev; 264 char busname[] = "ide.0"; 265 dev = isa_ide_init(isa_bus, ide_iobase[i], ide_iobase2[i], 266 ide_irq[i], 267 hd[MAX_IDE_DEVS * i], hd[MAX_IDE_DEVS * i + 1]); 268 /* 269 * The ide bus name is ide.0 for the first bus and ide.1 for the 270 * second one. 271 */ 272 busname[4] = '0' + i; 273 idebus[i] = qdev_get_child_bus(DEVICE(dev), busname); 274 } 275 pc_cmos_init(pcms, idebus[0], idebus[1], rtc_state); 276 } 277 #endif 278 279 if (pcmc->pci_enabled && machine_usb(machine)) { 280 pci_create_simple(pci_bus, piix3_devfn + 2, "piix3-usb-uhci"); 281 } 282 283 if (pcmc->pci_enabled && x86_machine_is_acpi_enabled(X86_MACHINE(pcms))) { 284 DeviceState *piix4_pm; 285 286 smi_irq = qemu_allocate_irq(pc_acpi_smi_interrupt, first_cpu, 0); 287 /* TODO: Populate SPD eeprom data. */ 288 pcms->smbus = piix4_pm_init(pci_bus, piix3_devfn + 3, 0xb100, 289 x86ms->gsi[9], smi_irq, 290 x86_machine_is_smm_enabled(x86ms), 291 &piix4_pm); 292 smbus_eeprom_init(pcms->smbus, 8, NULL, 0); 293 294 object_property_add_link(OBJECT(machine), PC_MACHINE_ACPI_DEVICE_PROP, 295 TYPE_HOTPLUG_HANDLER, 296 (Object **)&x86ms->acpi_dev, 297 object_property_allow_set_link, 298 OBJ_PROP_LINK_STRONG); 299 object_property_set_link(OBJECT(machine), PC_MACHINE_ACPI_DEVICE_PROP, 300 OBJECT(piix4_pm), &error_abort); 301 } 302 303 if (machine->nvdimms_state->is_enabled) { 304 nvdimm_init_acpi_state(machine->nvdimms_state, system_io, 305 x86_nvdimm_acpi_dsmio, 306 x86ms->fw_cfg, OBJECT(pcms)); 307 } 308 } 309 310 /* Looking for a pc_compat_2_4() function? It doesn't exist. 311 * pc_compat_*() functions that run on machine-init time and 312 * change global QEMU state are deprecated. Please don't create 313 * one, and implement any pc-*-2.4 (and newer) compat code in 314 * hw_compat_*, pc_compat_*, or * pc_*_machine_options(). 315 */ 316 317 static void pc_compat_2_3_fn(MachineState *machine) 318 { 319 X86MachineState *x86ms = X86_MACHINE(machine); 320 if (kvm_enabled()) { 321 x86ms->smm = ON_OFF_AUTO_OFF; 322 } 323 } 324 325 static void pc_compat_2_2_fn(MachineState *machine) 326 { 327 pc_compat_2_3_fn(machine); 328 } 329 330 static void pc_compat_2_1_fn(MachineState *machine) 331 { 332 pc_compat_2_2_fn(machine); 333 x86_cpu_change_kvm_default("svm", NULL); 334 } 335 336 static void pc_compat_2_0_fn(MachineState *machine) 337 { 338 pc_compat_2_1_fn(machine); 339 } 340 341 static void pc_compat_1_7_fn(MachineState *machine) 342 { 343 pc_compat_2_0_fn(machine); 344 x86_cpu_change_kvm_default("x2apic", NULL); 345 } 346 347 static void pc_compat_1_6_fn(MachineState *machine) 348 { 349 pc_compat_1_7_fn(machine); 350 } 351 352 static void pc_compat_1_5_fn(MachineState *machine) 353 { 354 pc_compat_1_6_fn(machine); 355 } 356 357 static void pc_compat_1_4_fn(MachineState *machine) 358 { 359 pc_compat_1_5_fn(machine); 360 } 361 362 #ifdef CONFIG_ISAPC 363 static void pc_init_isa(MachineState *machine) 364 { 365 pc_init1(machine, TYPE_I440FX_PCI_HOST_BRIDGE, TYPE_I440FX_PCI_DEVICE); 366 } 367 #endif 368 369 #ifdef CONFIG_XEN 370 static void pc_xen_hvm_init_pci(MachineState *machine) 371 { 372 const char *pci_type = xen_igd_gfx_pt_enabled() ? 373 TYPE_IGD_PASSTHROUGH_I440FX_PCI_DEVICE : TYPE_I440FX_PCI_DEVICE; 374 375 pc_init1(machine, 376 TYPE_I440FX_PCI_HOST_BRIDGE, 377 pci_type); 378 } 379 380 static void pc_xen_hvm_init(MachineState *machine) 381 { 382 PCMachineState *pcms = PC_MACHINE(machine); 383 384 if (!xen_enabled()) { 385 error_report("xenfv machine requires the xen accelerator"); 386 exit(1); 387 } 388 389 pc_xen_hvm_init_pci(machine); 390 pci_create_simple(pcms->bus, -1, "xen-platform"); 391 } 392 #endif 393 394 #define DEFINE_I440FX_MACHINE(suffix, name, compatfn, optionfn) \ 395 static void pc_init_##suffix(MachineState *machine) \ 396 { \ 397 void (*compat)(MachineState *m) = (compatfn); \ 398 if (compat) { \ 399 compat(machine); \ 400 } \ 401 pc_init1(machine, TYPE_I440FX_PCI_HOST_BRIDGE, \ 402 TYPE_I440FX_PCI_DEVICE); \ 403 } \ 404 DEFINE_PC_MACHINE(suffix, name, pc_init_##suffix, optionfn) 405 406 static void pc_i440fx_machine_options(MachineClass *m) 407 { 408 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 409 pcmc->default_nic_model = "e1000"; 410 pcmc->pci_root_uid = 0; 411 412 m->family = "pc_piix"; 413 m->desc = "Standard PC (i440FX + PIIX, 1996)"; 414 m->default_machine_opts = "firmware=bios-256k.bin"; 415 m->default_display = "std"; 416 machine_class_allow_dynamic_sysbus_dev(m, TYPE_RAMFB_DEVICE); 417 machine_class_allow_dynamic_sysbus_dev(m, TYPE_VMBUS_BRIDGE); 418 } 419 420 static void pc_i440fx_7_1_machine_options(MachineClass *m) 421 { 422 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 423 pc_i440fx_machine_options(m); 424 m->alias = "pc"; 425 m->is_default = true; 426 pcmc->default_cpu_version = 1; 427 } 428 429 DEFINE_I440FX_MACHINE(v7_1, "pc-i440fx-7.1", NULL, 430 pc_i440fx_7_1_machine_options); 431 432 static void pc_i440fx_7_0_machine_options(MachineClass *m) 433 { 434 pc_i440fx_7_1_machine_options(m); 435 m->alias = NULL; 436 m->is_default = false; 437 compat_props_add(m->compat_props, hw_compat_7_0, hw_compat_7_0_len); 438 compat_props_add(m->compat_props, pc_compat_7_0, pc_compat_7_0_len); 439 } 440 441 DEFINE_I440FX_MACHINE(v7_0, "pc-i440fx-7.0", NULL, 442 pc_i440fx_7_0_machine_options); 443 444 static void pc_i440fx_6_2_machine_options(MachineClass *m) 445 { 446 pc_i440fx_7_0_machine_options(m); 447 m->alias = NULL; 448 m->is_default = false; 449 compat_props_add(m->compat_props, hw_compat_6_2, hw_compat_6_2_len); 450 compat_props_add(m->compat_props, pc_compat_6_2, pc_compat_6_2_len); 451 } 452 453 DEFINE_I440FX_MACHINE(v6_2, "pc-i440fx-6.2", NULL, 454 pc_i440fx_6_2_machine_options); 455 456 static void pc_i440fx_6_1_machine_options(MachineClass *m) 457 { 458 pc_i440fx_6_2_machine_options(m); 459 m->alias = NULL; 460 m->is_default = false; 461 compat_props_add(m->compat_props, hw_compat_6_1, hw_compat_6_1_len); 462 compat_props_add(m->compat_props, pc_compat_6_1, pc_compat_6_1_len); 463 m->smp_props.prefer_sockets = true; 464 } 465 466 DEFINE_I440FX_MACHINE(v6_1, "pc-i440fx-6.1", NULL, 467 pc_i440fx_6_1_machine_options); 468 469 static void pc_i440fx_6_0_machine_options(MachineClass *m) 470 { 471 pc_i440fx_6_1_machine_options(m); 472 m->alias = NULL; 473 m->is_default = false; 474 compat_props_add(m->compat_props, hw_compat_6_0, hw_compat_6_0_len); 475 compat_props_add(m->compat_props, pc_compat_6_0, pc_compat_6_0_len); 476 } 477 478 DEFINE_I440FX_MACHINE(v6_0, "pc-i440fx-6.0", NULL, 479 pc_i440fx_6_0_machine_options); 480 481 static void pc_i440fx_5_2_machine_options(MachineClass *m) 482 { 483 pc_i440fx_6_0_machine_options(m); 484 m->alias = NULL; 485 m->is_default = false; 486 compat_props_add(m->compat_props, hw_compat_5_2, hw_compat_5_2_len); 487 compat_props_add(m->compat_props, pc_compat_5_2, pc_compat_5_2_len); 488 } 489 490 DEFINE_I440FX_MACHINE(v5_2, "pc-i440fx-5.2", NULL, 491 pc_i440fx_5_2_machine_options); 492 493 static void pc_i440fx_5_1_machine_options(MachineClass *m) 494 { 495 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 496 497 pc_i440fx_5_2_machine_options(m); 498 m->alias = NULL; 499 m->is_default = false; 500 compat_props_add(m->compat_props, hw_compat_5_1, hw_compat_5_1_len); 501 compat_props_add(m->compat_props, pc_compat_5_1, pc_compat_5_1_len); 502 pcmc->kvmclock_create_always = false; 503 pcmc->pci_root_uid = 1; 504 } 505 506 DEFINE_I440FX_MACHINE(v5_1, "pc-i440fx-5.1", NULL, 507 pc_i440fx_5_1_machine_options); 508 509 static void pc_i440fx_5_0_machine_options(MachineClass *m) 510 { 511 pc_i440fx_5_1_machine_options(m); 512 m->alias = NULL; 513 m->is_default = false; 514 m->numa_mem_supported = true; 515 compat_props_add(m->compat_props, hw_compat_5_0, hw_compat_5_0_len); 516 compat_props_add(m->compat_props, pc_compat_5_0, pc_compat_5_0_len); 517 m->auto_enable_numa_with_memdev = false; 518 } 519 520 DEFINE_I440FX_MACHINE(v5_0, "pc-i440fx-5.0", NULL, 521 pc_i440fx_5_0_machine_options); 522 523 static void pc_i440fx_4_2_machine_options(MachineClass *m) 524 { 525 pc_i440fx_5_0_machine_options(m); 526 m->alias = NULL; 527 m->is_default = false; 528 compat_props_add(m->compat_props, hw_compat_4_2, hw_compat_4_2_len); 529 compat_props_add(m->compat_props, pc_compat_4_2, pc_compat_4_2_len); 530 } 531 532 DEFINE_I440FX_MACHINE(v4_2, "pc-i440fx-4.2", NULL, 533 pc_i440fx_4_2_machine_options); 534 535 static void pc_i440fx_4_1_machine_options(MachineClass *m) 536 { 537 pc_i440fx_4_2_machine_options(m); 538 m->alias = NULL; 539 m->is_default = false; 540 compat_props_add(m->compat_props, hw_compat_4_1, hw_compat_4_1_len); 541 compat_props_add(m->compat_props, pc_compat_4_1, pc_compat_4_1_len); 542 } 543 544 DEFINE_I440FX_MACHINE(v4_1, "pc-i440fx-4.1", NULL, 545 pc_i440fx_4_1_machine_options); 546 547 static void pc_i440fx_4_0_machine_options(MachineClass *m) 548 { 549 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 550 pc_i440fx_4_1_machine_options(m); 551 m->alias = NULL; 552 m->is_default = false; 553 pcmc->default_cpu_version = CPU_VERSION_LEGACY; 554 compat_props_add(m->compat_props, hw_compat_4_0, hw_compat_4_0_len); 555 compat_props_add(m->compat_props, pc_compat_4_0, pc_compat_4_0_len); 556 } 557 558 DEFINE_I440FX_MACHINE(v4_0, "pc-i440fx-4.0", NULL, 559 pc_i440fx_4_0_machine_options); 560 561 static void pc_i440fx_3_1_machine_options(MachineClass *m) 562 { 563 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 564 565 pc_i440fx_4_0_machine_options(m); 566 m->is_default = false; 567 pcmc->do_not_add_smb_acpi = true; 568 m->smbus_no_migration_support = true; 569 m->alias = NULL; 570 pcmc->pvh_enabled = false; 571 compat_props_add(m->compat_props, hw_compat_3_1, hw_compat_3_1_len); 572 compat_props_add(m->compat_props, pc_compat_3_1, pc_compat_3_1_len); 573 } 574 575 DEFINE_I440FX_MACHINE(v3_1, "pc-i440fx-3.1", NULL, 576 pc_i440fx_3_1_machine_options); 577 578 static void pc_i440fx_3_0_machine_options(MachineClass *m) 579 { 580 pc_i440fx_3_1_machine_options(m); 581 compat_props_add(m->compat_props, hw_compat_3_0, hw_compat_3_0_len); 582 compat_props_add(m->compat_props, pc_compat_3_0, pc_compat_3_0_len); 583 } 584 585 DEFINE_I440FX_MACHINE(v3_0, "pc-i440fx-3.0", NULL, 586 pc_i440fx_3_0_machine_options); 587 588 static void pc_i440fx_2_12_machine_options(MachineClass *m) 589 { 590 pc_i440fx_3_0_machine_options(m); 591 compat_props_add(m->compat_props, hw_compat_2_12, hw_compat_2_12_len); 592 compat_props_add(m->compat_props, pc_compat_2_12, pc_compat_2_12_len); 593 } 594 595 DEFINE_I440FX_MACHINE(v2_12, "pc-i440fx-2.12", NULL, 596 pc_i440fx_2_12_machine_options); 597 598 static void pc_i440fx_2_11_machine_options(MachineClass *m) 599 { 600 pc_i440fx_2_12_machine_options(m); 601 compat_props_add(m->compat_props, hw_compat_2_11, hw_compat_2_11_len); 602 compat_props_add(m->compat_props, pc_compat_2_11, pc_compat_2_11_len); 603 } 604 605 DEFINE_I440FX_MACHINE(v2_11, "pc-i440fx-2.11", NULL, 606 pc_i440fx_2_11_machine_options); 607 608 static void pc_i440fx_2_10_machine_options(MachineClass *m) 609 { 610 pc_i440fx_2_11_machine_options(m); 611 compat_props_add(m->compat_props, hw_compat_2_10, hw_compat_2_10_len); 612 compat_props_add(m->compat_props, pc_compat_2_10, pc_compat_2_10_len); 613 m->auto_enable_numa_with_memhp = false; 614 } 615 616 DEFINE_I440FX_MACHINE(v2_10, "pc-i440fx-2.10", NULL, 617 pc_i440fx_2_10_machine_options); 618 619 static void pc_i440fx_2_9_machine_options(MachineClass *m) 620 { 621 pc_i440fx_2_10_machine_options(m); 622 compat_props_add(m->compat_props, hw_compat_2_9, hw_compat_2_9_len); 623 compat_props_add(m->compat_props, pc_compat_2_9, pc_compat_2_9_len); 624 } 625 626 DEFINE_I440FX_MACHINE(v2_9, "pc-i440fx-2.9", NULL, 627 pc_i440fx_2_9_machine_options); 628 629 static void pc_i440fx_2_8_machine_options(MachineClass *m) 630 { 631 pc_i440fx_2_9_machine_options(m); 632 compat_props_add(m->compat_props, hw_compat_2_8, hw_compat_2_8_len); 633 compat_props_add(m->compat_props, pc_compat_2_8, pc_compat_2_8_len); 634 } 635 636 DEFINE_I440FX_MACHINE(v2_8, "pc-i440fx-2.8", NULL, 637 pc_i440fx_2_8_machine_options); 638 639 static void pc_i440fx_2_7_machine_options(MachineClass *m) 640 { 641 pc_i440fx_2_8_machine_options(m); 642 compat_props_add(m->compat_props, hw_compat_2_7, hw_compat_2_7_len); 643 compat_props_add(m->compat_props, pc_compat_2_7, pc_compat_2_7_len); 644 } 645 646 DEFINE_I440FX_MACHINE(v2_7, "pc-i440fx-2.7", NULL, 647 pc_i440fx_2_7_machine_options); 648 649 static void pc_i440fx_2_6_machine_options(MachineClass *m) 650 { 651 X86MachineClass *x86mc = X86_MACHINE_CLASS(m); 652 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 653 654 pc_i440fx_2_7_machine_options(m); 655 pcmc->legacy_cpu_hotplug = true; 656 x86mc->fwcfg_dma_enabled = false; 657 compat_props_add(m->compat_props, hw_compat_2_6, hw_compat_2_6_len); 658 compat_props_add(m->compat_props, pc_compat_2_6, pc_compat_2_6_len); 659 } 660 661 DEFINE_I440FX_MACHINE(v2_6, "pc-i440fx-2.6", NULL, 662 pc_i440fx_2_6_machine_options); 663 664 static void pc_i440fx_2_5_machine_options(MachineClass *m) 665 { 666 X86MachineClass *x86mc = X86_MACHINE_CLASS(m); 667 668 pc_i440fx_2_6_machine_options(m); 669 x86mc->save_tsc_khz = false; 670 m->legacy_fw_cfg_order = 1; 671 compat_props_add(m->compat_props, hw_compat_2_5, hw_compat_2_5_len); 672 compat_props_add(m->compat_props, pc_compat_2_5, pc_compat_2_5_len); 673 } 674 675 DEFINE_I440FX_MACHINE(v2_5, "pc-i440fx-2.5", NULL, 676 pc_i440fx_2_5_machine_options); 677 678 static void pc_i440fx_2_4_machine_options(MachineClass *m) 679 { 680 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 681 682 pc_i440fx_2_5_machine_options(m); 683 m->hw_version = "2.4.0"; 684 pcmc->broken_reserved_end = true; 685 compat_props_add(m->compat_props, hw_compat_2_4, hw_compat_2_4_len); 686 compat_props_add(m->compat_props, pc_compat_2_4, pc_compat_2_4_len); 687 } 688 689 DEFINE_I440FX_MACHINE(v2_4, "pc-i440fx-2.4", NULL, 690 pc_i440fx_2_4_machine_options) 691 692 static void pc_i440fx_2_3_machine_options(MachineClass *m) 693 { 694 pc_i440fx_2_4_machine_options(m); 695 m->hw_version = "2.3.0"; 696 compat_props_add(m->compat_props, hw_compat_2_3, hw_compat_2_3_len); 697 compat_props_add(m->compat_props, pc_compat_2_3, pc_compat_2_3_len); 698 } 699 700 DEFINE_I440FX_MACHINE(v2_3, "pc-i440fx-2.3", pc_compat_2_3_fn, 701 pc_i440fx_2_3_machine_options); 702 703 static void pc_i440fx_2_2_machine_options(MachineClass *m) 704 { 705 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 706 707 pc_i440fx_2_3_machine_options(m); 708 m->hw_version = "2.2.0"; 709 m->default_machine_opts = "firmware=bios-256k.bin,suppress-vmdesc=on"; 710 compat_props_add(m->compat_props, hw_compat_2_2, hw_compat_2_2_len); 711 compat_props_add(m->compat_props, pc_compat_2_2, pc_compat_2_2_len); 712 pcmc->rsdp_in_ram = false; 713 } 714 715 DEFINE_I440FX_MACHINE(v2_2, "pc-i440fx-2.2", pc_compat_2_2_fn, 716 pc_i440fx_2_2_machine_options); 717 718 static void pc_i440fx_2_1_machine_options(MachineClass *m) 719 { 720 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 721 722 pc_i440fx_2_2_machine_options(m); 723 m->hw_version = "2.1.0"; 724 m->default_display = NULL; 725 compat_props_add(m->compat_props, hw_compat_2_1, hw_compat_2_1_len); 726 compat_props_add(m->compat_props, pc_compat_2_1, pc_compat_2_1_len); 727 pcmc->smbios_uuid_encoded = false; 728 pcmc->enforce_aligned_dimm = false; 729 } 730 731 DEFINE_I440FX_MACHINE(v2_1, "pc-i440fx-2.1", pc_compat_2_1_fn, 732 pc_i440fx_2_1_machine_options); 733 734 static void pc_i440fx_2_0_machine_options(MachineClass *m) 735 { 736 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 737 738 pc_i440fx_2_1_machine_options(m); 739 m->hw_version = "2.0.0"; 740 compat_props_add(m->compat_props, pc_compat_2_0, pc_compat_2_0_len); 741 pcmc->smbios_legacy_mode = true; 742 pcmc->has_reserved_memory = false; 743 /* This value depends on the actual DSDT and SSDT compiled into 744 * the source QEMU; unfortunately it depends on the binary and 745 * not on the machine type, so we cannot make pc-i440fx-1.7 work on 746 * both QEMU 1.7 and QEMU 2.0. 747 * 748 * Large variations cause migration to fail for more than one 749 * consecutive value of the "-smp" maxcpus option. 750 * 751 * For small variations of the kind caused by different iasl versions, 752 * the 4k rounding usually leaves slack. However, there could be still 753 * one or two values that break. For QEMU 1.7 and QEMU 2.0 the 754 * slack is only ~10 bytes before one "-smp maxcpus" value breaks! 755 * 756 * 6652 is valid for QEMU 2.0, the right value for pc-i440fx-1.7 on 757 * QEMU 1.7 it is 6414. For RHEL/CentOS 7.0 it is 6418. 758 */ 759 pcmc->legacy_acpi_table_size = 6652; 760 pcmc->acpi_data_size = 0x10000; 761 } 762 763 DEFINE_I440FX_MACHINE(v2_0, "pc-i440fx-2.0", pc_compat_2_0_fn, 764 pc_i440fx_2_0_machine_options); 765 766 static void pc_i440fx_1_7_machine_options(MachineClass *m) 767 { 768 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 769 770 pc_i440fx_2_0_machine_options(m); 771 m->hw_version = "1.7.0"; 772 m->default_machine_opts = NULL; 773 m->option_rom_has_mr = true; 774 m->deprecation_reason = "old and unattended - use a newer version instead"; 775 compat_props_add(m->compat_props, pc_compat_1_7, pc_compat_1_7_len); 776 pcmc->smbios_defaults = false; 777 pcmc->gigabyte_align = false; 778 pcmc->legacy_acpi_table_size = 6414; 779 } 780 781 DEFINE_I440FX_MACHINE(v1_7, "pc-i440fx-1.7", pc_compat_1_7_fn, 782 pc_i440fx_1_7_machine_options); 783 784 static void pc_i440fx_1_6_machine_options(MachineClass *m) 785 { 786 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 787 788 pc_i440fx_1_7_machine_options(m); 789 m->hw_version = "1.6.0"; 790 m->rom_file_has_mr = false; 791 compat_props_add(m->compat_props, pc_compat_1_6, pc_compat_1_6_len); 792 pcmc->has_acpi_build = false; 793 } 794 795 DEFINE_I440FX_MACHINE(v1_6, "pc-i440fx-1.6", pc_compat_1_6_fn, 796 pc_i440fx_1_6_machine_options); 797 798 static void pc_i440fx_1_5_machine_options(MachineClass *m) 799 { 800 pc_i440fx_1_6_machine_options(m); 801 m->hw_version = "1.5.0"; 802 compat_props_add(m->compat_props, pc_compat_1_5, pc_compat_1_5_len); 803 } 804 805 DEFINE_I440FX_MACHINE(v1_5, "pc-i440fx-1.5", pc_compat_1_5_fn, 806 pc_i440fx_1_5_machine_options); 807 808 static void pc_i440fx_1_4_machine_options(MachineClass *m) 809 { 810 pc_i440fx_1_5_machine_options(m); 811 m->hw_version = "1.4.0"; 812 compat_props_add(m->compat_props, pc_compat_1_4, pc_compat_1_4_len); 813 } 814 815 DEFINE_I440FX_MACHINE(v1_4, "pc-i440fx-1.4", pc_compat_1_4_fn, 816 pc_i440fx_1_4_machine_options); 817 818 #ifdef CONFIG_ISAPC 819 static void isapc_machine_options(MachineClass *m) 820 { 821 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 822 m->desc = "ISA-only PC"; 823 m->max_cpus = 1; 824 m->option_rom_has_mr = true; 825 m->rom_file_has_mr = false; 826 pcmc->pci_enabled = false; 827 pcmc->has_acpi_build = false; 828 pcmc->smbios_defaults = false; 829 pcmc->gigabyte_align = false; 830 pcmc->smbios_legacy_mode = true; 831 pcmc->has_reserved_memory = false; 832 pcmc->default_nic_model = "ne2k_isa"; 833 m->default_cpu_type = X86_CPU_TYPE_NAME("486"); 834 } 835 836 DEFINE_PC_MACHINE(isapc, "isapc", pc_init_isa, 837 isapc_machine_options); 838 #endif 839 840 #ifdef CONFIG_XEN 841 static void xenfv_4_2_machine_options(MachineClass *m) 842 { 843 pc_i440fx_4_2_machine_options(m); 844 m->desc = "Xen Fully-virtualized PC"; 845 m->max_cpus = HVM_MAX_VCPUS; 846 m->default_machine_opts = "accel=xen,suppress-vmdesc=on"; 847 } 848 849 DEFINE_PC_MACHINE(xenfv_4_2, "xenfv-4.2", pc_xen_hvm_init, 850 xenfv_4_2_machine_options); 851 852 static void xenfv_3_1_machine_options(MachineClass *m) 853 { 854 pc_i440fx_3_1_machine_options(m); 855 m->desc = "Xen Fully-virtualized PC"; 856 m->alias = "xenfv"; 857 m->max_cpus = HVM_MAX_VCPUS; 858 m->default_machine_opts = "accel=xen,suppress-vmdesc=on"; 859 } 860 861 DEFINE_PC_MACHINE(xenfv, "xenfv-3.1", pc_xen_hvm_init, 862 xenfv_3_1_machine_options); 863 #endif 864