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 "hw/acpi/piix4.h" 51 #include "qapi/error.h" 52 #include "qemu/error-report.h" 53 #include "sysemu/xen.h" 54 #ifdef CONFIG_XEN 55 #include <xen/hvm/hvm_info_table.h> 56 #include "hw/xen/xen_pt.h" 57 #endif 58 #include "migration/global_state.h" 59 #include "migration/misc.h" 60 #include "sysemu/numa.h" 61 #include "hw/hyperv/vmbus-bridge.h" 62 #include "hw/mem/nvdimm.h" 63 #include "hw/i386/acpi-build.h" 64 #include "kvm/kvm-cpu.h" 65 66 #define MAX_IDE_BUS 2 67 68 #ifdef CONFIG_IDE_ISA 69 static const int ide_iobase[MAX_IDE_BUS] = { 0x1f0, 0x170 }; 70 static const int ide_iobase2[MAX_IDE_BUS] = { 0x3f6, 0x376 }; 71 static const int ide_irq[MAX_IDE_BUS] = { 14, 15 }; 72 #endif 73 74 /* PC hardware initialisation */ 75 static void pc_init1(MachineState *machine, 76 const char *host_type, const char *pci_type) 77 { 78 PCMachineState *pcms = PC_MACHINE(machine); 79 PCMachineClass *pcmc = PC_MACHINE_GET_CLASS(pcms); 80 X86MachineState *x86ms = X86_MACHINE(machine); 81 MemoryRegion *system_memory = get_system_memory(); 82 MemoryRegion *system_io = get_system_io(); 83 PCIBus *pci_bus; 84 ISABus *isa_bus; 85 PCII440FXState *i440fx_state; 86 int piix3_devfn = -1; 87 qemu_irq smi_irq; 88 GSIState *gsi_state; 89 BusState *idebus[MAX_IDE_BUS]; 90 ISADevice *rtc_state; 91 MemoryRegion *ram_memory; 92 MemoryRegion *pci_memory; 93 MemoryRegion *rom_memory; 94 ram_addr_t lowmem; 95 96 /* 97 * Calculate ram split, for memory below and above 4G. It's a bit 98 * complicated for backward compatibility reasons ... 99 * 100 * - Traditional split is 3.5G (lowmem = 0xe0000000). This is the 101 * default value for max_ram_below_4g now. 102 * 103 * - Then, to gigabyte align the memory, we move the split to 3G 104 * (lowmem = 0xc0000000). But only in case we have to split in 105 * the first place, i.e. ram_size is larger than (traditional) 106 * lowmem. And for new machine types (gigabyte_align = true) 107 * only, for live migration compatibility reasons. 108 * 109 * - Next the max-ram-below-4g option was added, which allowed to 110 * reduce lowmem to a smaller value, to allow a larger PCI I/O 111 * window below 4G. qemu doesn't enforce gigabyte alignment here, 112 * but prints a warning. 113 * 114 * - Finally max-ram-below-4g got updated to also allow raising lowmem, 115 * so legacy non-PAE guests can get as much memory as possible in 116 * the 32bit address space below 4G. 117 * 118 * - Note that Xen has its own ram setup code in xen_ram_init(), 119 * called via xen_hvm_init_pc(). 120 * 121 * Examples: 122 * qemu -M pc-1.7 -m 4G (old default) -> 3584M low, 512M high 123 * qemu -M pc -m 4G (new default) -> 3072M low, 1024M high 124 * qemu -M pc,max-ram-below-4g=2G -m 4G -> 2048M low, 2048M high 125 * qemu -M pc,max-ram-below-4g=4G -m 3968M -> 3968M low (=4G-128M) 126 */ 127 if (xen_enabled()) { 128 xen_hvm_init_pc(pcms, &ram_memory); 129 } else { 130 if (!pcms->max_ram_below_4g) { 131 pcms->max_ram_below_4g = 0xe0000000; /* default: 3.5G */ 132 } 133 lowmem = pcms->max_ram_below_4g; 134 if (machine->ram_size >= pcms->max_ram_below_4g) { 135 if (pcmc->gigabyte_align) { 136 if (lowmem > 0xc0000000) { 137 lowmem = 0xc0000000; 138 } 139 if (lowmem & (1 * GiB - 1)) { 140 warn_report("Large machine and max_ram_below_4g " 141 "(%" PRIu64 ") not a multiple of 1G; " 142 "possible bad performance.", 143 pcms->max_ram_below_4g); 144 } 145 } 146 } 147 148 if (machine->ram_size >= lowmem) { 149 x86ms->above_4g_mem_size = machine->ram_size - lowmem; 150 x86ms->below_4g_mem_size = lowmem; 151 } else { 152 x86ms->above_4g_mem_size = 0; 153 x86ms->below_4g_mem_size = machine->ram_size; 154 } 155 } 156 157 pc_machine_init_sgx_epc(pcms); 158 x86_cpus_init(x86ms, pcmc->default_cpu_version); 159 160 if (pcmc->kvmclock_enabled) { 161 kvmclock_create(pcmc->kvmclock_create_always); 162 } 163 164 if (pcmc->pci_enabled) { 165 pci_memory = g_new(MemoryRegion, 1); 166 memory_region_init(pci_memory, NULL, "pci", UINT64_MAX); 167 rom_memory = pci_memory; 168 } else { 169 pci_memory = NULL; 170 rom_memory = system_memory; 171 } 172 173 pc_guest_info_init(pcms); 174 175 if (pcmc->smbios_defaults) { 176 MachineClass *mc = MACHINE_GET_CLASS(machine); 177 /* These values are guest ABI, do not change */ 178 smbios_set_defaults("QEMU", "Standard PC (i440FX + PIIX, 1996)", 179 mc->name, pcmc->smbios_legacy_mode, 180 pcmc->smbios_uuid_encoded, 181 pcms->smbios_entry_point_type); 182 } 183 184 /* allocate ram and load rom/bios */ 185 if (!xen_enabled()) { 186 pc_memory_init(pcms, system_memory, 187 rom_memory, &ram_memory); 188 } else { 189 pc_system_flash_cleanup_unused(pcms); 190 if (machine->kernel_filename != NULL) { 191 /* For xen HVM direct kernel boot, load linux here */ 192 xen_load_linux(pcms); 193 } 194 } 195 196 gsi_state = pc_gsi_create(&x86ms->gsi, pcmc->pci_enabled); 197 198 if (pcmc->pci_enabled) { 199 PIIX3State *piix3; 200 PCIDevice *pci_dev; 201 const char *type = xen_enabled() ? TYPE_PIIX3_XEN_DEVICE 202 : TYPE_PIIX3_DEVICE; 203 204 pci_bus = i440fx_init(host_type, 205 pci_type, 206 &i440fx_state, 207 system_memory, system_io, machine->ram_size, 208 x86ms->below_4g_mem_size, 209 x86ms->above_4g_mem_size, 210 pci_memory, ram_memory); 211 pcms->bus = pci_bus; 212 213 pci_dev = pci_create_simple_multifunction(pci_bus, -1, true, type); 214 piix3 = PIIX3_PCI_DEVICE(pci_dev); 215 piix3->pic = x86ms->gsi; 216 piix3_devfn = piix3->dev.devfn; 217 isa_bus = ISA_BUS(qdev_get_child_bus(DEVICE(piix3), "isa.0")); 218 } else { 219 pci_bus = NULL; 220 i440fx_state = NULL; 221 isa_bus = isa_bus_new(NULL, get_system_memory(), system_io, 222 &error_abort); 223 pcms->hpet_enabled = false; 224 } 225 isa_bus_irqs(isa_bus, x86ms->gsi); 226 227 if (x86ms->pic == ON_OFF_AUTO_ON || x86ms->pic == ON_OFF_AUTO_AUTO) { 228 pc_i8259_create(isa_bus, gsi_state->i8259_irq); 229 } 230 231 if (pcmc->pci_enabled) { 232 ioapic_init_gsi(gsi_state, "i440fx"); 233 } 234 235 if (tcg_enabled()) { 236 x86_register_ferr_irq(x86ms->gsi[13]); 237 } 238 239 pc_vga_init(isa_bus, pcmc->pci_enabled ? pci_bus : NULL); 240 241 assert(pcms->vmport != ON_OFF_AUTO__MAX); 242 if (pcms->vmport == ON_OFF_AUTO_AUTO) { 243 pcms->vmport = xen_enabled() ? ON_OFF_AUTO_OFF : ON_OFF_AUTO_ON; 244 } 245 246 /* init basic PC hardware */ 247 pc_basic_device_init(pcms, isa_bus, x86ms->gsi, &rtc_state, true, 248 0x4); 249 250 pc_nic_init(pcmc, isa_bus, pci_bus); 251 252 if (pcmc->pci_enabled) { 253 PCIDevice *dev; 254 255 dev = pci_create_simple(pci_bus, piix3_devfn + 1, "piix3-ide"); 256 pci_ide_create_devs(dev); 257 idebus[0] = qdev_get_child_bus(&dev->qdev, "ide.0"); 258 idebus[1] = qdev_get_child_bus(&dev->qdev, "ide.1"); 259 pc_cmos_init(pcms, idebus[0], idebus[1], rtc_state); 260 } 261 #ifdef CONFIG_IDE_ISA 262 else { 263 DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS]; 264 int i; 265 266 ide_drive_get(hd, ARRAY_SIZE(hd)); 267 for (i = 0; i < MAX_IDE_BUS; i++) { 268 ISADevice *dev; 269 char busname[] = "ide.0"; 270 dev = isa_ide_init(isa_bus, ide_iobase[i], ide_iobase2[i], 271 ide_irq[i], 272 hd[MAX_IDE_DEVS * i], hd[MAX_IDE_DEVS * i + 1]); 273 /* 274 * The ide bus name is ide.0 for the first bus and ide.1 for the 275 * second one. 276 */ 277 busname[4] = '0' + i; 278 idebus[i] = qdev_get_child_bus(DEVICE(dev), busname); 279 } 280 pc_cmos_init(pcms, idebus[0], idebus[1], rtc_state); 281 } 282 #endif 283 284 if (pcmc->pci_enabled && machine_usb(machine)) { 285 pci_create_simple(pci_bus, piix3_devfn + 2, "piix3-usb-uhci"); 286 } 287 288 if (pcmc->pci_enabled && x86_machine_is_acpi_enabled(X86_MACHINE(pcms))) { 289 PCIDevice *piix4_pm; 290 291 smi_irq = qemu_allocate_irq(pc_acpi_smi_interrupt, first_cpu, 0); 292 piix4_pm = pci_new(piix3_devfn + 3, TYPE_PIIX4_PM); 293 qdev_prop_set_uint32(DEVICE(piix4_pm), "smb_io_base", 0xb100); 294 qdev_prop_set_bit(DEVICE(piix4_pm), "smm-enabled", 295 x86_machine_is_smm_enabled(x86ms)); 296 pci_realize_and_unref(piix4_pm, pci_bus, &error_fatal); 297 298 qdev_connect_gpio_out(DEVICE(piix4_pm), 0, x86ms->gsi[9]); 299 qdev_connect_gpio_out_named(DEVICE(piix4_pm), "smi-irq", 0, smi_irq); 300 pcms->smbus = I2C_BUS(qdev_get_child_bus(DEVICE(piix4_pm), "i2c")); 301 /* TODO: Populate SPD eeprom data. */ 302 smbus_eeprom_init(pcms->smbus, 8, NULL, 0); 303 304 object_property_add_link(OBJECT(machine), PC_MACHINE_ACPI_DEVICE_PROP, 305 TYPE_HOTPLUG_HANDLER, 306 (Object **)&x86ms->acpi_dev, 307 object_property_allow_set_link, 308 OBJ_PROP_LINK_STRONG); 309 object_property_set_link(OBJECT(machine), PC_MACHINE_ACPI_DEVICE_PROP, 310 OBJECT(piix4_pm), &error_abort); 311 } 312 313 if (machine->nvdimms_state->is_enabled) { 314 nvdimm_init_acpi_state(machine->nvdimms_state, system_io, 315 x86_nvdimm_acpi_dsmio, 316 x86ms->fw_cfg, OBJECT(pcms)); 317 } 318 } 319 320 /* Looking for a pc_compat_2_4() function? It doesn't exist. 321 * pc_compat_*() functions that run on machine-init time and 322 * change global QEMU state are deprecated. Please don't create 323 * one, and implement any pc-*-2.4 (and newer) compat code in 324 * hw_compat_*, pc_compat_*, or * pc_*_machine_options(). 325 */ 326 327 static void pc_compat_2_3_fn(MachineState *machine) 328 { 329 X86MachineState *x86ms = X86_MACHINE(machine); 330 if (kvm_enabled()) { 331 x86ms->smm = ON_OFF_AUTO_OFF; 332 } 333 } 334 335 static void pc_compat_2_2_fn(MachineState *machine) 336 { 337 pc_compat_2_3_fn(machine); 338 } 339 340 static void pc_compat_2_1_fn(MachineState *machine) 341 { 342 pc_compat_2_2_fn(machine); 343 x86_cpu_change_kvm_default("svm", NULL); 344 } 345 346 static void pc_compat_2_0_fn(MachineState *machine) 347 { 348 pc_compat_2_1_fn(machine); 349 } 350 351 static void pc_compat_1_7_fn(MachineState *machine) 352 { 353 pc_compat_2_0_fn(machine); 354 x86_cpu_change_kvm_default("x2apic", NULL); 355 } 356 357 static void pc_compat_1_6_fn(MachineState *machine) 358 { 359 pc_compat_1_7_fn(machine); 360 } 361 362 static void pc_compat_1_5_fn(MachineState *machine) 363 { 364 pc_compat_1_6_fn(machine); 365 } 366 367 static void pc_compat_1_4_fn(MachineState *machine) 368 { 369 pc_compat_1_5_fn(machine); 370 } 371 372 #ifdef CONFIG_ISAPC 373 static void pc_init_isa(MachineState *machine) 374 { 375 pc_init1(machine, TYPE_I440FX_PCI_HOST_BRIDGE, TYPE_I440FX_PCI_DEVICE); 376 } 377 #endif 378 379 #ifdef CONFIG_XEN 380 static void pc_xen_hvm_init_pci(MachineState *machine) 381 { 382 const char *pci_type = xen_igd_gfx_pt_enabled() ? 383 TYPE_IGD_PASSTHROUGH_I440FX_PCI_DEVICE : TYPE_I440FX_PCI_DEVICE; 384 385 pc_init1(machine, 386 TYPE_I440FX_PCI_HOST_BRIDGE, 387 pci_type); 388 } 389 390 static void pc_xen_hvm_init(MachineState *machine) 391 { 392 PCMachineState *pcms = PC_MACHINE(machine); 393 394 if (!xen_enabled()) { 395 error_report("xenfv machine requires the xen accelerator"); 396 exit(1); 397 } 398 399 pc_xen_hvm_init_pci(machine); 400 pci_create_simple(pcms->bus, -1, "xen-platform"); 401 } 402 #endif 403 404 #define DEFINE_I440FX_MACHINE(suffix, name, compatfn, optionfn) \ 405 static void pc_init_##suffix(MachineState *machine) \ 406 { \ 407 void (*compat)(MachineState *m) = (compatfn); \ 408 if (compat) { \ 409 compat(machine); \ 410 } \ 411 pc_init1(machine, TYPE_I440FX_PCI_HOST_BRIDGE, \ 412 TYPE_I440FX_PCI_DEVICE); \ 413 } \ 414 DEFINE_PC_MACHINE(suffix, name, pc_init_##suffix, optionfn) 415 416 static void pc_i440fx_machine_options(MachineClass *m) 417 { 418 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 419 pcmc->default_nic_model = "e1000"; 420 pcmc->pci_root_uid = 0; 421 422 m->family = "pc_piix"; 423 m->desc = "Standard PC (i440FX + PIIX, 1996)"; 424 m->default_machine_opts = "firmware=bios-256k.bin"; 425 m->default_display = "std"; 426 machine_class_allow_dynamic_sysbus_dev(m, TYPE_RAMFB_DEVICE); 427 machine_class_allow_dynamic_sysbus_dev(m, TYPE_VMBUS_BRIDGE); 428 } 429 430 static void pc_i440fx_7_1_machine_options(MachineClass *m) 431 { 432 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 433 pc_i440fx_machine_options(m); 434 m->alias = "pc"; 435 m->is_default = true; 436 pcmc->default_cpu_version = 1; 437 } 438 439 DEFINE_I440FX_MACHINE(v7_1, "pc-i440fx-7.1", NULL, 440 pc_i440fx_7_1_machine_options); 441 442 static void pc_i440fx_7_0_machine_options(MachineClass *m) 443 { 444 pc_i440fx_7_1_machine_options(m); 445 m->alias = NULL; 446 m->is_default = false; 447 compat_props_add(m->compat_props, hw_compat_7_0, hw_compat_7_0_len); 448 compat_props_add(m->compat_props, pc_compat_7_0, pc_compat_7_0_len); 449 } 450 451 DEFINE_I440FX_MACHINE(v7_0, "pc-i440fx-7.0", NULL, 452 pc_i440fx_7_0_machine_options); 453 454 static void pc_i440fx_6_2_machine_options(MachineClass *m) 455 { 456 pc_i440fx_7_0_machine_options(m); 457 m->alias = NULL; 458 m->is_default = false; 459 compat_props_add(m->compat_props, hw_compat_6_2, hw_compat_6_2_len); 460 compat_props_add(m->compat_props, pc_compat_6_2, pc_compat_6_2_len); 461 } 462 463 DEFINE_I440FX_MACHINE(v6_2, "pc-i440fx-6.2", NULL, 464 pc_i440fx_6_2_machine_options); 465 466 static void pc_i440fx_6_1_machine_options(MachineClass *m) 467 { 468 pc_i440fx_6_2_machine_options(m); 469 m->alias = NULL; 470 m->is_default = false; 471 compat_props_add(m->compat_props, hw_compat_6_1, hw_compat_6_1_len); 472 compat_props_add(m->compat_props, pc_compat_6_1, pc_compat_6_1_len); 473 m->smp_props.prefer_sockets = true; 474 } 475 476 DEFINE_I440FX_MACHINE(v6_1, "pc-i440fx-6.1", NULL, 477 pc_i440fx_6_1_machine_options); 478 479 static void pc_i440fx_6_0_machine_options(MachineClass *m) 480 { 481 pc_i440fx_6_1_machine_options(m); 482 m->alias = NULL; 483 m->is_default = false; 484 compat_props_add(m->compat_props, hw_compat_6_0, hw_compat_6_0_len); 485 compat_props_add(m->compat_props, pc_compat_6_0, pc_compat_6_0_len); 486 } 487 488 DEFINE_I440FX_MACHINE(v6_0, "pc-i440fx-6.0", NULL, 489 pc_i440fx_6_0_machine_options); 490 491 static void pc_i440fx_5_2_machine_options(MachineClass *m) 492 { 493 pc_i440fx_6_0_machine_options(m); 494 m->alias = NULL; 495 m->is_default = false; 496 compat_props_add(m->compat_props, hw_compat_5_2, hw_compat_5_2_len); 497 compat_props_add(m->compat_props, pc_compat_5_2, pc_compat_5_2_len); 498 } 499 500 DEFINE_I440FX_MACHINE(v5_2, "pc-i440fx-5.2", NULL, 501 pc_i440fx_5_2_machine_options); 502 503 static void pc_i440fx_5_1_machine_options(MachineClass *m) 504 { 505 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 506 507 pc_i440fx_5_2_machine_options(m); 508 m->alias = NULL; 509 m->is_default = false; 510 compat_props_add(m->compat_props, hw_compat_5_1, hw_compat_5_1_len); 511 compat_props_add(m->compat_props, pc_compat_5_1, pc_compat_5_1_len); 512 pcmc->kvmclock_create_always = false; 513 pcmc->pci_root_uid = 1; 514 } 515 516 DEFINE_I440FX_MACHINE(v5_1, "pc-i440fx-5.1", NULL, 517 pc_i440fx_5_1_machine_options); 518 519 static void pc_i440fx_5_0_machine_options(MachineClass *m) 520 { 521 pc_i440fx_5_1_machine_options(m); 522 m->alias = NULL; 523 m->is_default = false; 524 m->numa_mem_supported = true; 525 compat_props_add(m->compat_props, hw_compat_5_0, hw_compat_5_0_len); 526 compat_props_add(m->compat_props, pc_compat_5_0, pc_compat_5_0_len); 527 m->auto_enable_numa_with_memdev = false; 528 } 529 530 DEFINE_I440FX_MACHINE(v5_0, "pc-i440fx-5.0", NULL, 531 pc_i440fx_5_0_machine_options); 532 533 static void pc_i440fx_4_2_machine_options(MachineClass *m) 534 { 535 pc_i440fx_5_0_machine_options(m); 536 m->alias = NULL; 537 m->is_default = false; 538 compat_props_add(m->compat_props, hw_compat_4_2, hw_compat_4_2_len); 539 compat_props_add(m->compat_props, pc_compat_4_2, pc_compat_4_2_len); 540 } 541 542 DEFINE_I440FX_MACHINE(v4_2, "pc-i440fx-4.2", NULL, 543 pc_i440fx_4_2_machine_options); 544 545 static void pc_i440fx_4_1_machine_options(MachineClass *m) 546 { 547 pc_i440fx_4_2_machine_options(m); 548 m->alias = NULL; 549 m->is_default = false; 550 compat_props_add(m->compat_props, hw_compat_4_1, hw_compat_4_1_len); 551 compat_props_add(m->compat_props, pc_compat_4_1, pc_compat_4_1_len); 552 } 553 554 DEFINE_I440FX_MACHINE(v4_1, "pc-i440fx-4.1", NULL, 555 pc_i440fx_4_1_machine_options); 556 557 static void pc_i440fx_4_0_machine_options(MachineClass *m) 558 { 559 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 560 pc_i440fx_4_1_machine_options(m); 561 m->alias = NULL; 562 m->is_default = false; 563 pcmc->default_cpu_version = CPU_VERSION_LEGACY; 564 compat_props_add(m->compat_props, hw_compat_4_0, hw_compat_4_0_len); 565 compat_props_add(m->compat_props, pc_compat_4_0, pc_compat_4_0_len); 566 } 567 568 DEFINE_I440FX_MACHINE(v4_0, "pc-i440fx-4.0", NULL, 569 pc_i440fx_4_0_machine_options); 570 571 static void pc_i440fx_3_1_machine_options(MachineClass *m) 572 { 573 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 574 575 pc_i440fx_4_0_machine_options(m); 576 m->is_default = false; 577 m->smbus_no_migration_support = true; 578 m->alias = NULL; 579 pcmc->pvh_enabled = false; 580 compat_props_add(m->compat_props, hw_compat_3_1, hw_compat_3_1_len); 581 compat_props_add(m->compat_props, pc_compat_3_1, pc_compat_3_1_len); 582 } 583 584 DEFINE_I440FX_MACHINE(v3_1, "pc-i440fx-3.1", NULL, 585 pc_i440fx_3_1_machine_options); 586 587 static void pc_i440fx_3_0_machine_options(MachineClass *m) 588 { 589 pc_i440fx_3_1_machine_options(m); 590 compat_props_add(m->compat_props, hw_compat_3_0, hw_compat_3_0_len); 591 compat_props_add(m->compat_props, pc_compat_3_0, pc_compat_3_0_len); 592 } 593 594 DEFINE_I440FX_MACHINE(v3_0, "pc-i440fx-3.0", NULL, 595 pc_i440fx_3_0_machine_options); 596 597 static void pc_i440fx_2_12_machine_options(MachineClass *m) 598 { 599 pc_i440fx_3_0_machine_options(m); 600 compat_props_add(m->compat_props, hw_compat_2_12, hw_compat_2_12_len); 601 compat_props_add(m->compat_props, pc_compat_2_12, pc_compat_2_12_len); 602 } 603 604 DEFINE_I440FX_MACHINE(v2_12, "pc-i440fx-2.12", NULL, 605 pc_i440fx_2_12_machine_options); 606 607 static void pc_i440fx_2_11_machine_options(MachineClass *m) 608 { 609 pc_i440fx_2_12_machine_options(m); 610 compat_props_add(m->compat_props, hw_compat_2_11, hw_compat_2_11_len); 611 compat_props_add(m->compat_props, pc_compat_2_11, pc_compat_2_11_len); 612 } 613 614 DEFINE_I440FX_MACHINE(v2_11, "pc-i440fx-2.11", NULL, 615 pc_i440fx_2_11_machine_options); 616 617 static void pc_i440fx_2_10_machine_options(MachineClass *m) 618 { 619 pc_i440fx_2_11_machine_options(m); 620 compat_props_add(m->compat_props, hw_compat_2_10, hw_compat_2_10_len); 621 compat_props_add(m->compat_props, pc_compat_2_10, pc_compat_2_10_len); 622 m->auto_enable_numa_with_memhp = false; 623 } 624 625 DEFINE_I440FX_MACHINE(v2_10, "pc-i440fx-2.10", NULL, 626 pc_i440fx_2_10_machine_options); 627 628 static void pc_i440fx_2_9_machine_options(MachineClass *m) 629 { 630 pc_i440fx_2_10_machine_options(m); 631 compat_props_add(m->compat_props, hw_compat_2_9, hw_compat_2_9_len); 632 compat_props_add(m->compat_props, pc_compat_2_9, pc_compat_2_9_len); 633 } 634 635 DEFINE_I440FX_MACHINE(v2_9, "pc-i440fx-2.9", NULL, 636 pc_i440fx_2_9_machine_options); 637 638 static void pc_i440fx_2_8_machine_options(MachineClass *m) 639 { 640 pc_i440fx_2_9_machine_options(m); 641 compat_props_add(m->compat_props, hw_compat_2_8, hw_compat_2_8_len); 642 compat_props_add(m->compat_props, pc_compat_2_8, pc_compat_2_8_len); 643 } 644 645 DEFINE_I440FX_MACHINE(v2_8, "pc-i440fx-2.8", NULL, 646 pc_i440fx_2_8_machine_options); 647 648 static void pc_i440fx_2_7_machine_options(MachineClass *m) 649 { 650 pc_i440fx_2_8_machine_options(m); 651 compat_props_add(m->compat_props, hw_compat_2_7, hw_compat_2_7_len); 652 compat_props_add(m->compat_props, pc_compat_2_7, pc_compat_2_7_len); 653 } 654 655 DEFINE_I440FX_MACHINE(v2_7, "pc-i440fx-2.7", NULL, 656 pc_i440fx_2_7_machine_options); 657 658 static void pc_i440fx_2_6_machine_options(MachineClass *m) 659 { 660 X86MachineClass *x86mc = X86_MACHINE_CLASS(m); 661 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 662 663 pc_i440fx_2_7_machine_options(m); 664 pcmc->legacy_cpu_hotplug = true; 665 x86mc->fwcfg_dma_enabled = false; 666 compat_props_add(m->compat_props, hw_compat_2_6, hw_compat_2_6_len); 667 compat_props_add(m->compat_props, pc_compat_2_6, pc_compat_2_6_len); 668 } 669 670 DEFINE_I440FX_MACHINE(v2_6, "pc-i440fx-2.6", NULL, 671 pc_i440fx_2_6_machine_options); 672 673 static void pc_i440fx_2_5_machine_options(MachineClass *m) 674 { 675 X86MachineClass *x86mc = X86_MACHINE_CLASS(m); 676 677 pc_i440fx_2_6_machine_options(m); 678 x86mc->save_tsc_khz = false; 679 m->legacy_fw_cfg_order = 1; 680 compat_props_add(m->compat_props, hw_compat_2_5, hw_compat_2_5_len); 681 compat_props_add(m->compat_props, pc_compat_2_5, pc_compat_2_5_len); 682 } 683 684 DEFINE_I440FX_MACHINE(v2_5, "pc-i440fx-2.5", NULL, 685 pc_i440fx_2_5_machine_options); 686 687 static void pc_i440fx_2_4_machine_options(MachineClass *m) 688 { 689 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 690 691 pc_i440fx_2_5_machine_options(m); 692 m->hw_version = "2.4.0"; 693 pcmc->broken_reserved_end = true; 694 compat_props_add(m->compat_props, hw_compat_2_4, hw_compat_2_4_len); 695 compat_props_add(m->compat_props, pc_compat_2_4, pc_compat_2_4_len); 696 } 697 698 DEFINE_I440FX_MACHINE(v2_4, "pc-i440fx-2.4", NULL, 699 pc_i440fx_2_4_machine_options) 700 701 static void pc_i440fx_2_3_machine_options(MachineClass *m) 702 { 703 pc_i440fx_2_4_machine_options(m); 704 m->hw_version = "2.3.0"; 705 compat_props_add(m->compat_props, hw_compat_2_3, hw_compat_2_3_len); 706 compat_props_add(m->compat_props, pc_compat_2_3, pc_compat_2_3_len); 707 } 708 709 DEFINE_I440FX_MACHINE(v2_3, "pc-i440fx-2.3", pc_compat_2_3_fn, 710 pc_i440fx_2_3_machine_options); 711 712 static void pc_i440fx_2_2_machine_options(MachineClass *m) 713 { 714 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 715 716 pc_i440fx_2_3_machine_options(m); 717 m->hw_version = "2.2.0"; 718 m->default_machine_opts = "firmware=bios-256k.bin,suppress-vmdesc=on"; 719 compat_props_add(m->compat_props, hw_compat_2_2, hw_compat_2_2_len); 720 compat_props_add(m->compat_props, pc_compat_2_2, pc_compat_2_2_len); 721 pcmc->rsdp_in_ram = false; 722 } 723 724 DEFINE_I440FX_MACHINE(v2_2, "pc-i440fx-2.2", pc_compat_2_2_fn, 725 pc_i440fx_2_2_machine_options); 726 727 static void pc_i440fx_2_1_machine_options(MachineClass *m) 728 { 729 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 730 731 pc_i440fx_2_2_machine_options(m); 732 m->hw_version = "2.1.0"; 733 m->default_display = NULL; 734 compat_props_add(m->compat_props, hw_compat_2_1, hw_compat_2_1_len); 735 compat_props_add(m->compat_props, pc_compat_2_1, pc_compat_2_1_len); 736 pcmc->smbios_uuid_encoded = false; 737 pcmc->enforce_aligned_dimm = false; 738 } 739 740 DEFINE_I440FX_MACHINE(v2_1, "pc-i440fx-2.1", pc_compat_2_1_fn, 741 pc_i440fx_2_1_machine_options); 742 743 static void pc_i440fx_2_0_machine_options(MachineClass *m) 744 { 745 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 746 747 pc_i440fx_2_1_machine_options(m); 748 m->hw_version = "2.0.0"; 749 compat_props_add(m->compat_props, pc_compat_2_0, pc_compat_2_0_len); 750 pcmc->smbios_legacy_mode = true; 751 pcmc->has_reserved_memory = false; 752 /* This value depends on the actual DSDT and SSDT compiled into 753 * the source QEMU; unfortunately it depends on the binary and 754 * not on the machine type, so we cannot make pc-i440fx-1.7 work on 755 * both QEMU 1.7 and QEMU 2.0. 756 * 757 * Large variations cause migration to fail for more than one 758 * consecutive value of the "-smp" maxcpus option. 759 * 760 * For small variations of the kind caused by different iasl versions, 761 * the 4k rounding usually leaves slack. However, there could be still 762 * one or two values that break. For QEMU 1.7 and QEMU 2.0 the 763 * slack is only ~10 bytes before one "-smp maxcpus" value breaks! 764 * 765 * 6652 is valid for QEMU 2.0, the right value for pc-i440fx-1.7 on 766 * QEMU 1.7 it is 6414. For RHEL/CentOS 7.0 it is 6418. 767 */ 768 pcmc->legacy_acpi_table_size = 6652; 769 pcmc->acpi_data_size = 0x10000; 770 } 771 772 DEFINE_I440FX_MACHINE(v2_0, "pc-i440fx-2.0", pc_compat_2_0_fn, 773 pc_i440fx_2_0_machine_options); 774 775 static void pc_i440fx_1_7_machine_options(MachineClass *m) 776 { 777 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 778 779 pc_i440fx_2_0_machine_options(m); 780 m->hw_version = "1.7.0"; 781 m->default_machine_opts = NULL; 782 m->option_rom_has_mr = true; 783 m->deprecation_reason = "old and unattended - use a newer version instead"; 784 compat_props_add(m->compat_props, pc_compat_1_7, pc_compat_1_7_len); 785 pcmc->smbios_defaults = false; 786 pcmc->gigabyte_align = false; 787 pcmc->legacy_acpi_table_size = 6414; 788 } 789 790 DEFINE_I440FX_MACHINE(v1_7, "pc-i440fx-1.7", pc_compat_1_7_fn, 791 pc_i440fx_1_7_machine_options); 792 793 static void pc_i440fx_1_6_machine_options(MachineClass *m) 794 { 795 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 796 797 pc_i440fx_1_7_machine_options(m); 798 m->hw_version = "1.6.0"; 799 m->rom_file_has_mr = false; 800 compat_props_add(m->compat_props, pc_compat_1_6, pc_compat_1_6_len); 801 pcmc->has_acpi_build = false; 802 } 803 804 DEFINE_I440FX_MACHINE(v1_6, "pc-i440fx-1.6", pc_compat_1_6_fn, 805 pc_i440fx_1_6_machine_options); 806 807 static void pc_i440fx_1_5_machine_options(MachineClass *m) 808 { 809 pc_i440fx_1_6_machine_options(m); 810 m->hw_version = "1.5.0"; 811 compat_props_add(m->compat_props, pc_compat_1_5, pc_compat_1_5_len); 812 } 813 814 DEFINE_I440FX_MACHINE(v1_5, "pc-i440fx-1.5", pc_compat_1_5_fn, 815 pc_i440fx_1_5_machine_options); 816 817 static void pc_i440fx_1_4_machine_options(MachineClass *m) 818 { 819 pc_i440fx_1_5_machine_options(m); 820 m->hw_version = "1.4.0"; 821 compat_props_add(m->compat_props, pc_compat_1_4, pc_compat_1_4_len); 822 } 823 824 DEFINE_I440FX_MACHINE(v1_4, "pc-i440fx-1.4", pc_compat_1_4_fn, 825 pc_i440fx_1_4_machine_options); 826 827 #ifdef CONFIG_ISAPC 828 static void isapc_machine_options(MachineClass *m) 829 { 830 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 831 m->desc = "ISA-only PC"; 832 m->max_cpus = 1; 833 m->option_rom_has_mr = true; 834 m->rom_file_has_mr = false; 835 pcmc->pci_enabled = false; 836 pcmc->has_acpi_build = false; 837 pcmc->smbios_defaults = false; 838 pcmc->gigabyte_align = false; 839 pcmc->smbios_legacy_mode = true; 840 pcmc->has_reserved_memory = false; 841 pcmc->default_nic_model = "ne2k_isa"; 842 m->default_cpu_type = X86_CPU_TYPE_NAME("486"); 843 } 844 845 DEFINE_PC_MACHINE(isapc, "isapc", pc_init_isa, 846 isapc_machine_options); 847 #endif 848 849 #ifdef CONFIG_XEN 850 static void xenfv_4_2_machine_options(MachineClass *m) 851 { 852 pc_i440fx_4_2_machine_options(m); 853 m->desc = "Xen Fully-virtualized PC"; 854 m->max_cpus = HVM_MAX_VCPUS; 855 m->default_machine_opts = "accel=xen,suppress-vmdesc=on"; 856 } 857 858 DEFINE_PC_MACHINE(xenfv_4_2, "xenfv-4.2", pc_xen_hvm_init, 859 xenfv_4_2_machine_options); 860 861 static void xenfv_3_1_machine_options(MachineClass *m) 862 { 863 pc_i440fx_3_1_machine_options(m); 864 m->desc = "Xen Fully-virtualized PC"; 865 m->alias = "xenfv"; 866 m->max_cpus = HVM_MAX_VCPUS; 867 m->default_machine_opts = "accel=xen,suppress-vmdesc=on"; 868 } 869 870 DEFINE_PC_MACHINE(xenfv, "xenfv-3.1", pc_xen_hvm_init, 871 xenfv_3_1_machine_options); 872 #endif 873