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, "piix3-ide"); 250 pci_ide_create_devs(dev); 251 idebus[0] = qdev_get_child_bus(&dev->qdev, "ide.0"); 252 idebus[1] = qdev_get_child_bus(&dev->qdev, "ide.1"); 253 pc_cmos_init(pcms, idebus[0], idebus[1], rtc_state); 254 } 255 #ifdef CONFIG_IDE_ISA 256 else { 257 DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS]; 258 int i; 259 260 ide_drive_get(hd, ARRAY_SIZE(hd)); 261 for (i = 0; i < MAX_IDE_BUS; i++) { 262 ISADevice *dev; 263 char busname[] = "ide.0"; 264 dev = isa_ide_init(isa_bus, ide_iobase[i], ide_iobase2[i], 265 ide_irq[i], 266 hd[MAX_IDE_DEVS * i], hd[MAX_IDE_DEVS * i + 1]); 267 /* 268 * The ide bus name is ide.0 for the first bus and ide.1 for the 269 * second one. 270 */ 271 busname[4] = '0' + i; 272 idebus[i] = qdev_get_child_bus(DEVICE(dev), busname); 273 } 274 pc_cmos_init(pcms, idebus[0], idebus[1], rtc_state); 275 } 276 #endif 277 278 if (pcmc->pci_enabled && machine_usb(machine)) { 279 pci_create_simple(pci_bus, piix3_devfn + 2, "piix3-usb-uhci"); 280 } 281 282 if (pcmc->pci_enabled && x86_machine_is_acpi_enabled(X86_MACHINE(pcms))) { 283 DeviceState *piix4_pm; 284 285 smi_irq = qemu_allocate_irq(pc_acpi_smi_interrupt, first_cpu, 0); 286 /* TODO: Populate SPD eeprom data. */ 287 pcms->smbus = piix4_pm_init(pci_bus, piix3_devfn + 3, 0xb100, 288 x86ms->gsi[9], smi_irq, 289 x86_machine_is_smm_enabled(x86ms), 290 &piix4_pm); 291 smbus_eeprom_init(pcms->smbus, 8, NULL, 0); 292 293 object_property_add_link(OBJECT(machine), PC_MACHINE_ACPI_DEVICE_PROP, 294 TYPE_HOTPLUG_HANDLER, 295 (Object **)&x86ms->acpi_dev, 296 object_property_allow_set_link, 297 OBJ_PROP_LINK_STRONG); 298 object_property_set_link(OBJECT(machine), PC_MACHINE_ACPI_DEVICE_PROP, 299 OBJECT(piix4_pm), &error_abort); 300 } 301 302 if (machine->nvdimms_state->is_enabled) { 303 nvdimm_init_acpi_state(machine->nvdimms_state, system_io, 304 x86_nvdimm_acpi_dsmio, 305 x86ms->fw_cfg, OBJECT(pcms)); 306 } 307 } 308 309 /* Looking for a pc_compat_2_4() function? It doesn't exist. 310 * pc_compat_*() functions that run on machine-init time and 311 * change global QEMU state are deprecated. Please don't create 312 * one, and implement any pc-*-2.4 (and newer) compat code in 313 * hw_compat_*, pc_compat_*, or * pc_*_machine_options(). 314 */ 315 316 static void pc_compat_2_3_fn(MachineState *machine) 317 { 318 X86MachineState *x86ms = X86_MACHINE(machine); 319 if (kvm_enabled()) { 320 x86ms->smm = ON_OFF_AUTO_OFF; 321 } 322 } 323 324 static void pc_compat_2_2_fn(MachineState *machine) 325 { 326 pc_compat_2_3_fn(machine); 327 } 328 329 static void pc_compat_2_1_fn(MachineState *machine) 330 { 331 pc_compat_2_2_fn(machine); 332 x86_cpu_change_kvm_default("svm", NULL); 333 } 334 335 static void pc_compat_2_0_fn(MachineState *machine) 336 { 337 pc_compat_2_1_fn(machine); 338 } 339 340 static void pc_compat_1_7_fn(MachineState *machine) 341 { 342 pc_compat_2_0_fn(machine); 343 x86_cpu_change_kvm_default("x2apic", NULL); 344 } 345 346 static void pc_compat_1_6_fn(MachineState *machine) 347 { 348 pc_compat_1_7_fn(machine); 349 } 350 351 static void pc_compat_1_5_fn(MachineState *machine) 352 { 353 pc_compat_1_6_fn(machine); 354 } 355 356 static void pc_compat_1_4_fn(MachineState *machine) 357 { 358 pc_compat_1_5_fn(machine); 359 } 360 361 #ifdef CONFIG_ISAPC 362 static void pc_init_isa(MachineState *machine) 363 { 364 pc_init1(machine, TYPE_I440FX_PCI_HOST_BRIDGE, TYPE_I440FX_PCI_DEVICE); 365 } 366 #endif 367 368 #ifdef CONFIG_XEN 369 static void pc_xen_hvm_init_pci(MachineState *machine) 370 { 371 const char *pci_type = xen_igd_gfx_pt_enabled() ? 372 TYPE_IGD_PASSTHROUGH_I440FX_PCI_DEVICE : TYPE_I440FX_PCI_DEVICE; 373 374 pc_init1(machine, 375 TYPE_I440FX_PCI_HOST_BRIDGE, 376 pci_type); 377 } 378 379 static void pc_xen_hvm_init(MachineState *machine) 380 { 381 PCMachineState *pcms = PC_MACHINE(machine); 382 383 if (!xen_enabled()) { 384 error_report("xenfv machine requires the xen accelerator"); 385 exit(1); 386 } 387 388 pc_xen_hvm_init_pci(machine); 389 pci_create_simple(pcms->bus, -1, "xen-platform"); 390 } 391 #endif 392 393 #define DEFINE_I440FX_MACHINE(suffix, name, compatfn, optionfn) \ 394 static void pc_init_##suffix(MachineState *machine) \ 395 { \ 396 void (*compat)(MachineState *m) = (compatfn); \ 397 if (compat) { \ 398 compat(machine); \ 399 } \ 400 pc_init1(machine, TYPE_I440FX_PCI_HOST_BRIDGE, \ 401 TYPE_I440FX_PCI_DEVICE); \ 402 } \ 403 DEFINE_PC_MACHINE(suffix, name, pc_init_##suffix, optionfn) 404 405 static void pc_i440fx_machine_options(MachineClass *m) 406 { 407 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 408 pcmc->default_nic_model = "e1000"; 409 pcmc->pci_root_uid = 0; 410 411 m->family = "pc_piix"; 412 m->desc = "Standard PC (i440FX + PIIX, 1996)"; 413 m->default_machine_opts = "firmware=bios-256k.bin"; 414 m->default_display = "std"; 415 machine_class_allow_dynamic_sysbus_dev(m, TYPE_RAMFB_DEVICE); 416 machine_class_allow_dynamic_sysbus_dev(m, TYPE_VMBUS_BRIDGE); 417 } 418 419 static void pc_i440fx_7_1_machine_options(MachineClass *m) 420 { 421 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 422 pc_i440fx_machine_options(m); 423 m->alias = "pc"; 424 m->is_default = true; 425 pcmc->default_cpu_version = 1; 426 } 427 428 DEFINE_I440FX_MACHINE(v7_1, "pc-i440fx-7.1", NULL, 429 pc_i440fx_7_1_machine_options); 430 431 static void pc_i440fx_7_0_machine_options(MachineClass *m) 432 { 433 pc_i440fx_7_1_machine_options(m); 434 m->alias = NULL; 435 m->is_default = false; 436 compat_props_add(m->compat_props, hw_compat_7_0, hw_compat_7_0_len); 437 compat_props_add(m->compat_props, pc_compat_7_0, pc_compat_7_0_len); 438 } 439 440 DEFINE_I440FX_MACHINE(v7_0, "pc-i440fx-7.0", NULL, 441 pc_i440fx_7_0_machine_options); 442 443 static void pc_i440fx_6_2_machine_options(MachineClass *m) 444 { 445 pc_i440fx_7_0_machine_options(m); 446 m->alias = NULL; 447 m->is_default = false; 448 compat_props_add(m->compat_props, hw_compat_6_2, hw_compat_6_2_len); 449 compat_props_add(m->compat_props, pc_compat_6_2, pc_compat_6_2_len); 450 } 451 452 DEFINE_I440FX_MACHINE(v6_2, "pc-i440fx-6.2", NULL, 453 pc_i440fx_6_2_machine_options); 454 455 static void pc_i440fx_6_1_machine_options(MachineClass *m) 456 { 457 pc_i440fx_6_2_machine_options(m); 458 m->alias = NULL; 459 m->is_default = false; 460 compat_props_add(m->compat_props, hw_compat_6_1, hw_compat_6_1_len); 461 compat_props_add(m->compat_props, pc_compat_6_1, pc_compat_6_1_len); 462 m->smp_props.prefer_sockets = true; 463 } 464 465 DEFINE_I440FX_MACHINE(v6_1, "pc-i440fx-6.1", NULL, 466 pc_i440fx_6_1_machine_options); 467 468 static void pc_i440fx_6_0_machine_options(MachineClass *m) 469 { 470 pc_i440fx_6_1_machine_options(m); 471 m->alias = NULL; 472 m->is_default = false; 473 compat_props_add(m->compat_props, hw_compat_6_0, hw_compat_6_0_len); 474 compat_props_add(m->compat_props, pc_compat_6_0, pc_compat_6_0_len); 475 } 476 477 DEFINE_I440FX_MACHINE(v6_0, "pc-i440fx-6.0", NULL, 478 pc_i440fx_6_0_machine_options); 479 480 static void pc_i440fx_5_2_machine_options(MachineClass *m) 481 { 482 pc_i440fx_6_0_machine_options(m); 483 m->alias = NULL; 484 m->is_default = false; 485 compat_props_add(m->compat_props, hw_compat_5_2, hw_compat_5_2_len); 486 compat_props_add(m->compat_props, pc_compat_5_2, pc_compat_5_2_len); 487 } 488 489 DEFINE_I440FX_MACHINE(v5_2, "pc-i440fx-5.2", NULL, 490 pc_i440fx_5_2_machine_options); 491 492 static void pc_i440fx_5_1_machine_options(MachineClass *m) 493 { 494 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 495 496 pc_i440fx_5_2_machine_options(m); 497 m->alias = NULL; 498 m->is_default = false; 499 compat_props_add(m->compat_props, hw_compat_5_1, hw_compat_5_1_len); 500 compat_props_add(m->compat_props, pc_compat_5_1, pc_compat_5_1_len); 501 pcmc->kvmclock_create_always = false; 502 pcmc->pci_root_uid = 1; 503 } 504 505 DEFINE_I440FX_MACHINE(v5_1, "pc-i440fx-5.1", NULL, 506 pc_i440fx_5_1_machine_options); 507 508 static void pc_i440fx_5_0_machine_options(MachineClass *m) 509 { 510 pc_i440fx_5_1_machine_options(m); 511 m->alias = NULL; 512 m->is_default = false; 513 m->numa_mem_supported = true; 514 compat_props_add(m->compat_props, hw_compat_5_0, hw_compat_5_0_len); 515 compat_props_add(m->compat_props, pc_compat_5_0, pc_compat_5_0_len); 516 m->auto_enable_numa_with_memdev = false; 517 } 518 519 DEFINE_I440FX_MACHINE(v5_0, "pc-i440fx-5.0", NULL, 520 pc_i440fx_5_0_machine_options); 521 522 static void pc_i440fx_4_2_machine_options(MachineClass *m) 523 { 524 pc_i440fx_5_0_machine_options(m); 525 m->alias = NULL; 526 m->is_default = false; 527 compat_props_add(m->compat_props, hw_compat_4_2, hw_compat_4_2_len); 528 compat_props_add(m->compat_props, pc_compat_4_2, pc_compat_4_2_len); 529 } 530 531 DEFINE_I440FX_MACHINE(v4_2, "pc-i440fx-4.2", NULL, 532 pc_i440fx_4_2_machine_options); 533 534 static void pc_i440fx_4_1_machine_options(MachineClass *m) 535 { 536 pc_i440fx_4_2_machine_options(m); 537 m->alias = NULL; 538 m->is_default = false; 539 compat_props_add(m->compat_props, hw_compat_4_1, hw_compat_4_1_len); 540 compat_props_add(m->compat_props, pc_compat_4_1, pc_compat_4_1_len); 541 } 542 543 DEFINE_I440FX_MACHINE(v4_1, "pc-i440fx-4.1", NULL, 544 pc_i440fx_4_1_machine_options); 545 546 static void pc_i440fx_4_0_machine_options(MachineClass *m) 547 { 548 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 549 pc_i440fx_4_1_machine_options(m); 550 m->alias = NULL; 551 m->is_default = false; 552 pcmc->default_cpu_version = CPU_VERSION_LEGACY; 553 compat_props_add(m->compat_props, hw_compat_4_0, hw_compat_4_0_len); 554 compat_props_add(m->compat_props, pc_compat_4_0, pc_compat_4_0_len); 555 } 556 557 DEFINE_I440FX_MACHINE(v4_0, "pc-i440fx-4.0", NULL, 558 pc_i440fx_4_0_machine_options); 559 560 static void pc_i440fx_3_1_machine_options(MachineClass *m) 561 { 562 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 563 564 pc_i440fx_4_0_machine_options(m); 565 m->is_default = false; 566 m->smbus_no_migration_support = true; 567 m->alias = NULL; 568 pcmc->pvh_enabled = false; 569 compat_props_add(m->compat_props, hw_compat_3_1, hw_compat_3_1_len); 570 compat_props_add(m->compat_props, pc_compat_3_1, pc_compat_3_1_len); 571 } 572 573 DEFINE_I440FX_MACHINE(v3_1, "pc-i440fx-3.1", NULL, 574 pc_i440fx_3_1_machine_options); 575 576 static void pc_i440fx_3_0_machine_options(MachineClass *m) 577 { 578 pc_i440fx_3_1_machine_options(m); 579 compat_props_add(m->compat_props, hw_compat_3_0, hw_compat_3_0_len); 580 compat_props_add(m->compat_props, pc_compat_3_0, pc_compat_3_0_len); 581 } 582 583 DEFINE_I440FX_MACHINE(v3_0, "pc-i440fx-3.0", NULL, 584 pc_i440fx_3_0_machine_options); 585 586 static void pc_i440fx_2_12_machine_options(MachineClass *m) 587 { 588 pc_i440fx_3_0_machine_options(m); 589 compat_props_add(m->compat_props, hw_compat_2_12, hw_compat_2_12_len); 590 compat_props_add(m->compat_props, pc_compat_2_12, pc_compat_2_12_len); 591 } 592 593 DEFINE_I440FX_MACHINE(v2_12, "pc-i440fx-2.12", NULL, 594 pc_i440fx_2_12_machine_options); 595 596 static void pc_i440fx_2_11_machine_options(MachineClass *m) 597 { 598 pc_i440fx_2_12_machine_options(m); 599 compat_props_add(m->compat_props, hw_compat_2_11, hw_compat_2_11_len); 600 compat_props_add(m->compat_props, pc_compat_2_11, pc_compat_2_11_len); 601 } 602 603 DEFINE_I440FX_MACHINE(v2_11, "pc-i440fx-2.11", NULL, 604 pc_i440fx_2_11_machine_options); 605 606 static void pc_i440fx_2_10_machine_options(MachineClass *m) 607 { 608 pc_i440fx_2_11_machine_options(m); 609 compat_props_add(m->compat_props, hw_compat_2_10, hw_compat_2_10_len); 610 compat_props_add(m->compat_props, pc_compat_2_10, pc_compat_2_10_len); 611 m->auto_enable_numa_with_memhp = false; 612 } 613 614 DEFINE_I440FX_MACHINE(v2_10, "pc-i440fx-2.10", NULL, 615 pc_i440fx_2_10_machine_options); 616 617 static void pc_i440fx_2_9_machine_options(MachineClass *m) 618 { 619 pc_i440fx_2_10_machine_options(m); 620 compat_props_add(m->compat_props, hw_compat_2_9, hw_compat_2_9_len); 621 compat_props_add(m->compat_props, pc_compat_2_9, pc_compat_2_9_len); 622 } 623 624 DEFINE_I440FX_MACHINE(v2_9, "pc-i440fx-2.9", NULL, 625 pc_i440fx_2_9_machine_options); 626 627 static void pc_i440fx_2_8_machine_options(MachineClass *m) 628 { 629 pc_i440fx_2_9_machine_options(m); 630 compat_props_add(m->compat_props, hw_compat_2_8, hw_compat_2_8_len); 631 compat_props_add(m->compat_props, pc_compat_2_8, pc_compat_2_8_len); 632 } 633 634 DEFINE_I440FX_MACHINE(v2_8, "pc-i440fx-2.8", NULL, 635 pc_i440fx_2_8_machine_options); 636 637 static void pc_i440fx_2_7_machine_options(MachineClass *m) 638 { 639 pc_i440fx_2_8_machine_options(m); 640 compat_props_add(m->compat_props, hw_compat_2_7, hw_compat_2_7_len); 641 compat_props_add(m->compat_props, pc_compat_2_7, pc_compat_2_7_len); 642 } 643 644 DEFINE_I440FX_MACHINE(v2_7, "pc-i440fx-2.7", NULL, 645 pc_i440fx_2_7_machine_options); 646 647 static void pc_i440fx_2_6_machine_options(MachineClass *m) 648 { 649 X86MachineClass *x86mc = X86_MACHINE_CLASS(m); 650 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 651 652 pc_i440fx_2_7_machine_options(m); 653 pcmc->legacy_cpu_hotplug = true; 654 x86mc->fwcfg_dma_enabled = false; 655 compat_props_add(m->compat_props, hw_compat_2_6, hw_compat_2_6_len); 656 compat_props_add(m->compat_props, pc_compat_2_6, pc_compat_2_6_len); 657 } 658 659 DEFINE_I440FX_MACHINE(v2_6, "pc-i440fx-2.6", NULL, 660 pc_i440fx_2_6_machine_options); 661 662 static void pc_i440fx_2_5_machine_options(MachineClass *m) 663 { 664 X86MachineClass *x86mc = X86_MACHINE_CLASS(m); 665 666 pc_i440fx_2_6_machine_options(m); 667 x86mc->save_tsc_khz = false; 668 m->legacy_fw_cfg_order = 1; 669 compat_props_add(m->compat_props, hw_compat_2_5, hw_compat_2_5_len); 670 compat_props_add(m->compat_props, pc_compat_2_5, pc_compat_2_5_len); 671 } 672 673 DEFINE_I440FX_MACHINE(v2_5, "pc-i440fx-2.5", NULL, 674 pc_i440fx_2_5_machine_options); 675 676 static void pc_i440fx_2_4_machine_options(MachineClass *m) 677 { 678 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 679 680 pc_i440fx_2_5_machine_options(m); 681 m->hw_version = "2.4.0"; 682 pcmc->broken_reserved_end = true; 683 compat_props_add(m->compat_props, hw_compat_2_4, hw_compat_2_4_len); 684 compat_props_add(m->compat_props, pc_compat_2_4, pc_compat_2_4_len); 685 } 686 687 DEFINE_I440FX_MACHINE(v2_4, "pc-i440fx-2.4", NULL, 688 pc_i440fx_2_4_machine_options) 689 690 static void pc_i440fx_2_3_machine_options(MachineClass *m) 691 { 692 pc_i440fx_2_4_machine_options(m); 693 m->hw_version = "2.3.0"; 694 compat_props_add(m->compat_props, hw_compat_2_3, hw_compat_2_3_len); 695 compat_props_add(m->compat_props, pc_compat_2_3, pc_compat_2_3_len); 696 } 697 698 DEFINE_I440FX_MACHINE(v2_3, "pc-i440fx-2.3", pc_compat_2_3_fn, 699 pc_i440fx_2_3_machine_options); 700 701 static void pc_i440fx_2_2_machine_options(MachineClass *m) 702 { 703 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 704 705 pc_i440fx_2_3_machine_options(m); 706 m->hw_version = "2.2.0"; 707 m->default_machine_opts = "firmware=bios-256k.bin,suppress-vmdesc=on"; 708 compat_props_add(m->compat_props, hw_compat_2_2, hw_compat_2_2_len); 709 compat_props_add(m->compat_props, pc_compat_2_2, pc_compat_2_2_len); 710 pcmc->rsdp_in_ram = false; 711 } 712 713 DEFINE_I440FX_MACHINE(v2_2, "pc-i440fx-2.2", pc_compat_2_2_fn, 714 pc_i440fx_2_2_machine_options); 715 716 static void pc_i440fx_2_1_machine_options(MachineClass *m) 717 { 718 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 719 720 pc_i440fx_2_2_machine_options(m); 721 m->hw_version = "2.1.0"; 722 m->default_display = NULL; 723 compat_props_add(m->compat_props, hw_compat_2_1, hw_compat_2_1_len); 724 compat_props_add(m->compat_props, pc_compat_2_1, pc_compat_2_1_len); 725 pcmc->smbios_uuid_encoded = false; 726 pcmc->enforce_aligned_dimm = false; 727 } 728 729 DEFINE_I440FX_MACHINE(v2_1, "pc-i440fx-2.1", pc_compat_2_1_fn, 730 pc_i440fx_2_1_machine_options); 731 732 static void pc_i440fx_2_0_machine_options(MachineClass *m) 733 { 734 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 735 736 pc_i440fx_2_1_machine_options(m); 737 m->hw_version = "2.0.0"; 738 compat_props_add(m->compat_props, pc_compat_2_0, pc_compat_2_0_len); 739 pcmc->smbios_legacy_mode = true; 740 pcmc->has_reserved_memory = false; 741 /* This value depends on the actual DSDT and SSDT compiled into 742 * the source QEMU; unfortunately it depends on the binary and 743 * not on the machine type, so we cannot make pc-i440fx-1.7 work on 744 * both QEMU 1.7 and QEMU 2.0. 745 * 746 * Large variations cause migration to fail for more than one 747 * consecutive value of the "-smp" maxcpus option. 748 * 749 * For small variations of the kind caused by different iasl versions, 750 * the 4k rounding usually leaves slack. However, there could be still 751 * one or two values that break. For QEMU 1.7 and QEMU 2.0 the 752 * slack is only ~10 bytes before one "-smp maxcpus" value breaks! 753 * 754 * 6652 is valid for QEMU 2.0, the right value for pc-i440fx-1.7 on 755 * QEMU 1.7 it is 6414. For RHEL/CentOS 7.0 it is 6418. 756 */ 757 pcmc->legacy_acpi_table_size = 6652; 758 pcmc->acpi_data_size = 0x10000; 759 } 760 761 DEFINE_I440FX_MACHINE(v2_0, "pc-i440fx-2.0", pc_compat_2_0_fn, 762 pc_i440fx_2_0_machine_options); 763 764 static void pc_i440fx_1_7_machine_options(MachineClass *m) 765 { 766 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 767 768 pc_i440fx_2_0_machine_options(m); 769 m->hw_version = "1.7.0"; 770 m->default_machine_opts = NULL; 771 m->option_rom_has_mr = true; 772 m->deprecation_reason = "old and unattended - use a newer version instead"; 773 compat_props_add(m->compat_props, pc_compat_1_7, pc_compat_1_7_len); 774 pcmc->smbios_defaults = false; 775 pcmc->gigabyte_align = false; 776 pcmc->legacy_acpi_table_size = 6414; 777 } 778 779 DEFINE_I440FX_MACHINE(v1_7, "pc-i440fx-1.7", pc_compat_1_7_fn, 780 pc_i440fx_1_7_machine_options); 781 782 static void pc_i440fx_1_6_machine_options(MachineClass *m) 783 { 784 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 785 786 pc_i440fx_1_7_machine_options(m); 787 m->hw_version = "1.6.0"; 788 m->rom_file_has_mr = false; 789 compat_props_add(m->compat_props, pc_compat_1_6, pc_compat_1_6_len); 790 pcmc->has_acpi_build = false; 791 } 792 793 DEFINE_I440FX_MACHINE(v1_6, "pc-i440fx-1.6", pc_compat_1_6_fn, 794 pc_i440fx_1_6_machine_options); 795 796 static void pc_i440fx_1_5_machine_options(MachineClass *m) 797 { 798 pc_i440fx_1_6_machine_options(m); 799 m->hw_version = "1.5.0"; 800 compat_props_add(m->compat_props, pc_compat_1_5, pc_compat_1_5_len); 801 } 802 803 DEFINE_I440FX_MACHINE(v1_5, "pc-i440fx-1.5", pc_compat_1_5_fn, 804 pc_i440fx_1_5_machine_options); 805 806 static void pc_i440fx_1_4_machine_options(MachineClass *m) 807 { 808 pc_i440fx_1_5_machine_options(m); 809 m->hw_version = "1.4.0"; 810 compat_props_add(m->compat_props, pc_compat_1_4, pc_compat_1_4_len); 811 } 812 813 DEFINE_I440FX_MACHINE(v1_4, "pc-i440fx-1.4", pc_compat_1_4_fn, 814 pc_i440fx_1_4_machine_options); 815 816 #ifdef CONFIG_ISAPC 817 static void isapc_machine_options(MachineClass *m) 818 { 819 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 820 m->desc = "ISA-only PC"; 821 m->max_cpus = 1; 822 m->option_rom_has_mr = true; 823 m->rom_file_has_mr = false; 824 pcmc->pci_enabled = false; 825 pcmc->has_acpi_build = false; 826 pcmc->smbios_defaults = false; 827 pcmc->gigabyte_align = false; 828 pcmc->smbios_legacy_mode = true; 829 pcmc->has_reserved_memory = false; 830 pcmc->default_nic_model = "ne2k_isa"; 831 m->default_cpu_type = X86_CPU_TYPE_NAME("486"); 832 } 833 834 DEFINE_PC_MACHINE(isapc, "isapc", pc_init_isa, 835 isapc_machine_options); 836 #endif 837 838 #ifdef CONFIG_XEN 839 static void xenfv_4_2_machine_options(MachineClass *m) 840 { 841 pc_i440fx_4_2_machine_options(m); 842 m->desc = "Xen Fully-virtualized PC"; 843 m->max_cpus = HVM_MAX_VCPUS; 844 m->default_machine_opts = "accel=xen,suppress-vmdesc=on"; 845 } 846 847 DEFINE_PC_MACHINE(xenfv_4_2, "xenfv-4.2", pc_xen_hvm_init, 848 xenfv_4_2_machine_options); 849 850 static void xenfv_3_1_machine_options(MachineClass *m) 851 { 852 pc_i440fx_3_1_machine_options(m); 853 m->desc = "Xen Fully-virtualized PC"; 854 m->alias = "xenfv"; 855 m->max_cpus = HVM_MAX_VCPUS; 856 m->default_machine_opts = "accel=xen,suppress-vmdesc=on"; 857 } 858 859 DEFINE_PC_MACHINE(xenfv, "xenfv-3.1", pc_xen_hvm_init, 860 xenfv_3_1_machine_options); 861 #endif 862