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/dma/i8257.h" 30 #include "hw/loader.h" 31 #include "hw/i386/x86.h" 32 #include "hw/i386/pc.h" 33 #include "hw/i386/apic.h" 34 #include "hw/pci-host/i440fx.h" 35 #include "hw/southbridge/piix.h" 36 #include "hw/display/ramfb.h" 37 #include "hw/firmware/smbios.h" 38 #include "hw/pci/pci.h" 39 #include "hw/pci/pci_ids.h" 40 #include "hw/usb.h" 41 #include "net/net.h" 42 #include "hw/ide/pci.h" 43 #include "hw/ide/piix.h" 44 #include "hw/irq.h" 45 #include "sysemu/kvm.h" 46 #include "hw/kvm/clock.h" 47 #include "hw/sysbus.h" 48 #include "hw/i2c/smbus_eeprom.h" 49 #include "hw/xen/xen-x86.h" 50 #include "hw/xen/xen.h" 51 #include "exec/memory.h" 52 #include "hw/acpi/acpi.h" 53 #include "hw/acpi/piix4.h" 54 #include "hw/usb/hcd-uhci.h" 55 #include "qapi/error.h" 56 #include "qemu/error-report.h" 57 #include "sysemu/xen.h" 58 #ifdef CONFIG_XEN 59 #include <xen/hvm/hvm_info_table.h> 60 #include "hw/xen/xen_pt.h" 61 #endif 62 #include "migration/global_state.h" 63 #include "migration/misc.h" 64 #include "sysemu/numa.h" 65 #include "hw/hyperv/vmbus-bridge.h" 66 #include "hw/mem/nvdimm.h" 67 #include "hw/i386/acpi-build.h" 68 #include "kvm/kvm-cpu.h" 69 70 #define MAX_IDE_BUS 2 71 72 #ifdef CONFIG_IDE_ISA 73 static const int ide_iobase[MAX_IDE_BUS] = { 0x1f0, 0x170 }; 74 static const int ide_iobase2[MAX_IDE_BUS] = { 0x3f6, 0x376 }; 75 static const int ide_irq[MAX_IDE_BUS] = { 14, 15 }; 76 #endif 77 78 /* 79 * Return the global irq number corresponding to a given device irq 80 * pin. We could also use the bus number to have a more precise mapping. 81 */ 82 static int pc_pci_slot_get_pirq(PCIDevice *pci_dev, int pci_intx) 83 { 84 int slot_addend; 85 slot_addend = PCI_SLOT(pci_dev->devfn) - 1; 86 return (pci_intx + slot_addend) & 3; 87 } 88 89 /* PC hardware initialisation */ 90 static void pc_init1(MachineState *machine, 91 const char *host_type, const char *pci_type) 92 { 93 PCMachineState *pcms = PC_MACHINE(machine); 94 PCMachineClass *pcmc = PC_MACHINE_GET_CLASS(pcms); 95 X86MachineState *x86ms = X86_MACHINE(machine); 96 MemoryRegion *system_memory = get_system_memory(); 97 MemoryRegion *system_io = get_system_io(); 98 PCIBus *pci_bus; 99 ISABus *isa_bus; 100 int piix3_devfn = -1; 101 qemu_irq smi_irq; 102 GSIState *gsi_state; 103 BusState *idebus[MAX_IDE_BUS]; 104 ISADevice *rtc_state; 105 MemoryRegion *ram_memory; 106 MemoryRegion *pci_memory; 107 MemoryRegion *rom_memory; 108 ram_addr_t lowmem; 109 uint64_t hole64_size; 110 DeviceState *i440fx_host; 111 112 /* 113 * Calculate ram split, for memory below and above 4G. It's a bit 114 * complicated for backward compatibility reasons ... 115 * 116 * - Traditional split is 3.5G (lowmem = 0xe0000000). This is the 117 * default value for max_ram_below_4g now. 118 * 119 * - Then, to gigabyte align the memory, we move the split to 3G 120 * (lowmem = 0xc0000000). But only in case we have to split in 121 * the first place, i.e. ram_size is larger than (traditional) 122 * lowmem. And for new machine types (gigabyte_align = true) 123 * only, for live migration compatibility reasons. 124 * 125 * - Next the max-ram-below-4g option was added, which allowed to 126 * reduce lowmem to a smaller value, to allow a larger PCI I/O 127 * window below 4G. qemu doesn't enforce gigabyte alignment here, 128 * but prints a warning. 129 * 130 * - Finally max-ram-below-4g got updated to also allow raising lowmem, 131 * so legacy non-PAE guests can get as much memory as possible in 132 * the 32bit address space below 4G. 133 * 134 * - Note that Xen has its own ram setup code in xen_ram_init(), 135 * called via xen_hvm_init_pc(). 136 * 137 * Examples: 138 * qemu -M pc-1.7 -m 4G (old default) -> 3584M low, 512M high 139 * qemu -M pc -m 4G (new default) -> 3072M low, 1024M high 140 * qemu -M pc,max-ram-below-4g=2G -m 4G -> 2048M low, 2048M high 141 * qemu -M pc,max-ram-below-4g=4G -m 3968M -> 3968M low (=4G-128M) 142 */ 143 if (xen_enabled()) { 144 xen_hvm_init_pc(pcms, &ram_memory); 145 } else { 146 if (!pcms->max_ram_below_4g) { 147 pcms->max_ram_below_4g = 0xe0000000; /* default: 3.5G */ 148 } 149 lowmem = pcms->max_ram_below_4g; 150 if (machine->ram_size >= pcms->max_ram_below_4g) { 151 if (pcmc->gigabyte_align) { 152 if (lowmem > 0xc0000000) { 153 lowmem = 0xc0000000; 154 } 155 if (lowmem & (1 * GiB - 1)) { 156 warn_report("Large machine and max_ram_below_4g " 157 "(%" PRIu64 ") not a multiple of 1G; " 158 "possible bad performance.", 159 pcms->max_ram_below_4g); 160 } 161 } 162 } 163 164 if (machine->ram_size >= lowmem) { 165 x86ms->above_4g_mem_size = machine->ram_size - lowmem; 166 x86ms->below_4g_mem_size = lowmem; 167 } else { 168 x86ms->above_4g_mem_size = 0; 169 x86ms->below_4g_mem_size = machine->ram_size; 170 } 171 } 172 173 pc_machine_init_sgx_epc(pcms); 174 x86_cpus_init(x86ms, pcmc->default_cpu_version); 175 176 if (pcmc->kvmclock_enabled) { 177 kvmclock_create(pcmc->kvmclock_create_always); 178 } 179 180 if (pcmc->pci_enabled) { 181 pci_memory = g_new(MemoryRegion, 1); 182 memory_region_init(pci_memory, NULL, "pci", UINT64_MAX); 183 rom_memory = pci_memory; 184 i440fx_host = qdev_new(host_type); 185 hole64_size = object_property_get_uint(OBJECT(i440fx_host), 186 PCI_HOST_PROP_PCI_HOLE64_SIZE, 187 &error_abort); 188 } else { 189 pci_memory = NULL; 190 rom_memory = system_memory; 191 i440fx_host = NULL; 192 hole64_size = 0; 193 } 194 195 pc_guest_info_init(pcms); 196 197 if (pcmc->smbios_defaults) { 198 MachineClass *mc = MACHINE_GET_CLASS(machine); 199 /* These values are guest ABI, do not change */ 200 smbios_set_defaults("QEMU", "Standard PC (i440FX + PIIX, 1996)", 201 mc->name, pcmc->smbios_legacy_mode, 202 pcmc->smbios_uuid_encoded, 203 pcms->smbios_entry_point_type); 204 } 205 206 /* allocate ram and load rom/bios */ 207 if (!xen_enabled()) { 208 pc_memory_init(pcms, system_memory, 209 rom_memory, &ram_memory, hole64_size); 210 } else { 211 pc_system_flash_cleanup_unused(pcms); 212 if (machine->kernel_filename != NULL) { 213 /* For xen HVM direct kernel boot, load linux here */ 214 xen_load_linux(pcms); 215 } 216 } 217 218 gsi_state = pc_gsi_create(&x86ms->gsi, pcmc->pci_enabled); 219 220 if (pcmc->pci_enabled) { 221 PIIX3State *piix3; 222 PCIDevice *pci_dev; 223 const char *type = xen_enabled() ? TYPE_PIIX3_XEN_DEVICE 224 : TYPE_PIIX3_DEVICE; 225 226 pci_bus = i440fx_init(pci_type, 227 i440fx_host, 228 system_memory, system_io, machine->ram_size, 229 x86ms->below_4g_mem_size, 230 x86ms->above_4g_mem_size, 231 pci_memory, ram_memory); 232 pci_bus_map_irqs(pci_bus, 233 xen_enabled() ? xen_pci_slot_get_pirq 234 : pc_pci_slot_get_pirq); 235 pcms->bus = pci_bus; 236 237 pci_dev = pci_create_simple_multifunction(pci_bus, -1, true, type); 238 piix3 = PIIX3_PCI_DEVICE(pci_dev); 239 piix3->pic = x86ms->gsi; 240 piix3_devfn = piix3->dev.devfn; 241 isa_bus = ISA_BUS(qdev_get_child_bus(DEVICE(piix3), "isa.0")); 242 } else { 243 pci_bus = NULL; 244 isa_bus = isa_bus_new(NULL, get_system_memory(), system_io, 245 &error_abort); 246 i8257_dma_init(isa_bus, 0); 247 pcms->hpet_enabled = false; 248 } 249 isa_bus_irqs(isa_bus, x86ms->gsi); 250 251 if (x86ms->pic == ON_OFF_AUTO_ON || x86ms->pic == ON_OFF_AUTO_AUTO) { 252 pc_i8259_create(isa_bus, gsi_state->i8259_irq); 253 } 254 255 if (pcmc->pci_enabled) { 256 ioapic_init_gsi(gsi_state, "i440fx"); 257 } 258 259 if (tcg_enabled()) { 260 x86_register_ferr_irq(x86ms->gsi[13]); 261 } 262 263 pc_vga_init(isa_bus, pcmc->pci_enabled ? pci_bus : NULL); 264 265 assert(pcms->vmport != ON_OFF_AUTO__MAX); 266 if (pcms->vmport == ON_OFF_AUTO_AUTO) { 267 pcms->vmport = xen_enabled() ? ON_OFF_AUTO_OFF : ON_OFF_AUTO_ON; 268 } 269 270 /* init basic PC hardware */ 271 pc_basic_device_init(pcms, isa_bus, x86ms->gsi, &rtc_state, true, 272 0x4); 273 274 pc_nic_init(pcmc, isa_bus, pci_bus); 275 276 if (pcmc->pci_enabled) { 277 PCIDevice *dev; 278 279 dev = pci_create_simple(pci_bus, piix3_devfn + 1, TYPE_PIIX3_IDE); 280 pci_ide_create_devs(dev); 281 idebus[0] = qdev_get_child_bus(&dev->qdev, "ide.0"); 282 idebus[1] = qdev_get_child_bus(&dev->qdev, "ide.1"); 283 pc_cmos_init(pcms, idebus[0], idebus[1], rtc_state); 284 } 285 #ifdef CONFIG_IDE_ISA 286 else { 287 DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS]; 288 int i; 289 290 ide_drive_get(hd, ARRAY_SIZE(hd)); 291 for (i = 0; i < MAX_IDE_BUS; i++) { 292 ISADevice *dev; 293 char busname[] = "ide.0"; 294 dev = isa_ide_init(isa_bus, ide_iobase[i], ide_iobase2[i], 295 ide_irq[i], 296 hd[MAX_IDE_DEVS * i], hd[MAX_IDE_DEVS * i + 1]); 297 /* 298 * The ide bus name is ide.0 for the first bus and ide.1 for the 299 * second one. 300 */ 301 busname[4] = '0' + i; 302 idebus[i] = qdev_get_child_bus(DEVICE(dev), busname); 303 } 304 pc_cmos_init(pcms, idebus[0], idebus[1], rtc_state); 305 } 306 #endif 307 308 if (pcmc->pci_enabled && machine_usb(machine)) { 309 pci_create_simple(pci_bus, piix3_devfn + 2, TYPE_PIIX3_USB_UHCI); 310 } 311 312 if (pcmc->pci_enabled && x86_machine_is_acpi_enabled(X86_MACHINE(pcms))) { 313 PCIDevice *piix4_pm; 314 315 smi_irq = qemu_allocate_irq(pc_acpi_smi_interrupt, first_cpu, 0); 316 piix4_pm = pci_new(piix3_devfn + 3, TYPE_PIIX4_PM); 317 qdev_prop_set_uint32(DEVICE(piix4_pm), "smb_io_base", 0xb100); 318 qdev_prop_set_bit(DEVICE(piix4_pm), "smm-enabled", 319 x86_machine_is_smm_enabled(x86ms)); 320 pci_realize_and_unref(piix4_pm, pci_bus, &error_fatal); 321 322 qdev_connect_gpio_out(DEVICE(piix4_pm), 0, x86ms->gsi[9]); 323 qdev_connect_gpio_out_named(DEVICE(piix4_pm), "smi-irq", 0, smi_irq); 324 pcms->smbus = I2C_BUS(qdev_get_child_bus(DEVICE(piix4_pm), "i2c")); 325 /* TODO: Populate SPD eeprom data. */ 326 smbus_eeprom_init(pcms->smbus, 8, NULL, 0); 327 328 object_property_add_link(OBJECT(machine), PC_MACHINE_ACPI_DEVICE_PROP, 329 TYPE_HOTPLUG_HANDLER, 330 (Object **)&x86ms->acpi_dev, 331 object_property_allow_set_link, 332 OBJ_PROP_LINK_STRONG); 333 object_property_set_link(OBJECT(machine), PC_MACHINE_ACPI_DEVICE_PROP, 334 OBJECT(piix4_pm), &error_abort); 335 } 336 337 if (machine->nvdimms_state->is_enabled) { 338 nvdimm_init_acpi_state(machine->nvdimms_state, system_io, 339 x86_nvdimm_acpi_dsmio, 340 x86ms->fw_cfg, OBJECT(pcms)); 341 } 342 } 343 344 /* Looking for a pc_compat_2_4() function? It doesn't exist. 345 * pc_compat_*() functions that run on machine-init time and 346 * change global QEMU state are deprecated. Please don't create 347 * one, and implement any pc-*-2.4 (and newer) compat code in 348 * hw_compat_*, pc_compat_*, or * pc_*_machine_options(). 349 */ 350 351 static void pc_compat_2_3_fn(MachineState *machine) 352 { 353 X86MachineState *x86ms = X86_MACHINE(machine); 354 if (kvm_enabled()) { 355 x86ms->smm = ON_OFF_AUTO_OFF; 356 } 357 } 358 359 static void pc_compat_2_2_fn(MachineState *machine) 360 { 361 pc_compat_2_3_fn(machine); 362 } 363 364 static void pc_compat_2_1_fn(MachineState *machine) 365 { 366 pc_compat_2_2_fn(machine); 367 x86_cpu_change_kvm_default("svm", NULL); 368 } 369 370 static void pc_compat_2_0_fn(MachineState *machine) 371 { 372 pc_compat_2_1_fn(machine); 373 } 374 375 static void pc_compat_1_7_fn(MachineState *machine) 376 { 377 pc_compat_2_0_fn(machine); 378 x86_cpu_change_kvm_default("x2apic", NULL); 379 } 380 381 static void pc_compat_1_6_fn(MachineState *machine) 382 { 383 pc_compat_1_7_fn(machine); 384 } 385 386 static void pc_compat_1_5_fn(MachineState *machine) 387 { 388 pc_compat_1_6_fn(machine); 389 } 390 391 static void pc_compat_1_4_fn(MachineState *machine) 392 { 393 pc_compat_1_5_fn(machine); 394 } 395 396 #ifdef CONFIG_ISAPC 397 static void pc_init_isa(MachineState *machine) 398 { 399 pc_init1(machine, TYPE_I440FX_PCI_HOST_BRIDGE, TYPE_I440FX_PCI_DEVICE); 400 } 401 #endif 402 403 #ifdef CONFIG_XEN 404 static void pc_xen_hvm_init_pci(MachineState *machine) 405 { 406 const char *pci_type = xen_igd_gfx_pt_enabled() ? 407 TYPE_IGD_PASSTHROUGH_I440FX_PCI_DEVICE : TYPE_I440FX_PCI_DEVICE; 408 409 pc_init1(machine, 410 TYPE_I440FX_PCI_HOST_BRIDGE, 411 pci_type); 412 } 413 414 static void pc_xen_hvm_init(MachineState *machine) 415 { 416 PCMachineState *pcms = PC_MACHINE(machine); 417 418 if (!xen_enabled()) { 419 error_report("xenfv machine requires the xen accelerator"); 420 exit(1); 421 } 422 423 pc_xen_hvm_init_pci(machine); 424 pci_create_simple(pcms->bus, -1, "xen-platform"); 425 } 426 #endif 427 428 #define DEFINE_I440FX_MACHINE(suffix, name, compatfn, optionfn) \ 429 static void pc_init_##suffix(MachineState *machine) \ 430 { \ 431 void (*compat)(MachineState *m) = (compatfn); \ 432 if (compat) { \ 433 compat(machine); \ 434 } \ 435 pc_init1(machine, TYPE_I440FX_PCI_HOST_BRIDGE, \ 436 TYPE_I440FX_PCI_DEVICE); \ 437 } \ 438 DEFINE_PC_MACHINE(suffix, name, pc_init_##suffix, optionfn) 439 440 static void pc_i440fx_machine_options(MachineClass *m) 441 { 442 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 443 pcmc->default_nic_model = "e1000"; 444 pcmc->pci_root_uid = 0; 445 pcmc->default_cpu_version = 1; 446 447 m->family = "pc_piix"; 448 m->desc = "Standard PC (i440FX + PIIX, 1996)"; 449 m->default_machine_opts = "firmware=bios-256k.bin"; 450 m->default_display = "std"; 451 machine_class_allow_dynamic_sysbus_dev(m, TYPE_RAMFB_DEVICE); 452 machine_class_allow_dynamic_sysbus_dev(m, TYPE_VMBUS_BRIDGE); 453 } 454 455 static void pc_i440fx_8_0_machine_options(MachineClass *m) 456 { 457 pc_i440fx_machine_options(m); 458 m->alias = "pc"; 459 m->is_default = true; 460 } 461 462 DEFINE_I440FX_MACHINE(v8_0, "pc-i440fx-8.0", NULL, 463 pc_i440fx_8_0_machine_options); 464 465 static void pc_i440fx_7_2_machine_options(MachineClass *m) 466 { 467 pc_i440fx_8_0_machine_options(m); 468 m->alias = NULL; 469 m->is_default = false; 470 compat_props_add(m->compat_props, hw_compat_7_2, hw_compat_7_2_len); 471 compat_props_add(m->compat_props, pc_compat_7_2, pc_compat_7_2_len); 472 } 473 474 DEFINE_I440FX_MACHINE(v7_2, "pc-i440fx-7.2", NULL, 475 pc_i440fx_7_2_machine_options); 476 477 static void pc_i440fx_7_1_machine_options(MachineClass *m) 478 { 479 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 480 pc_i440fx_7_2_machine_options(m); 481 pcmc->legacy_no_rng_seed = true; 482 compat_props_add(m->compat_props, hw_compat_7_1, hw_compat_7_1_len); 483 compat_props_add(m->compat_props, pc_compat_7_1, pc_compat_7_1_len); 484 } 485 486 DEFINE_I440FX_MACHINE(v7_1, "pc-i440fx-7.1", NULL, 487 pc_i440fx_7_1_machine_options); 488 489 static void pc_i440fx_7_0_machine_options(MachineClass *m) 490 { 491 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 492 pc_i440fx_7_1_machine_options(m); 493 pcmc->enforce_amd_1tb_hole = false; 494 compat_props_add(m->compat_props, hw_compat_7_0, hw_compat_7_0_len); 495 compat_props_add(m->compat_props, pc_compat_7_0, pc_compat_7_0_len); 496 } 497 498 DEFINE_I440FX_MACHINE(v7_0, "pc-i440fx-7.0", NULL, 499 pc_i440fx_7_0_machine_options); 500 501 static void pc_i440fx_6_2_machine_options(MachineClass *m) 502 { 503 pc_i440fx_7_0_machine_options(m); 504 compat_props_add(m->compat_props, hw_compat_6_2, hw_compat_6_2_len); 505 compat_props_add(m->compat_props, pc_compat_6_2, pc_compat_6_2_len); 506 } 507 508 DEFINE_I440FX_MACHINE(v6_2, "pc-i440fx-6.2", NULL, 509 pc_i440fx_6_2_machine_options); 510 511 static void pc_i440fx_6_1_machine_options(MachineClass *m) 512 { 513 pc_i440fx_6_2_machine_options(m); 514 compat_props_add(m->compat_props, hw_compat_6_1, hw_compat_6_1_len); 515 compat_props_add(m->compat_props, pc_compat_6_1, pc_compat_6_1_len); 516 m->smp_props.prefer_sockets = true; 517 } 518 519 DEFINE_I440FX_MACHINE(v6_1, "pc-i440fx-6.1", NULL, 520 pc_i440fx_6_1_machine_options); 521 522 static void pc_i440fx_6_0_machine_options(MachineClass *m) 523 { 524 pc_i440fx_6_1_machine_options(m); 525 compat_props_add(m->compat_props, hw_compat_6_0, hw_compat_6_0_len); 526 compat_props_add(m->compat_props, pc_compat_6_0, pc_compat_6_0_len); 527 } 528 529 DEFINE_I440FX_MACHINE(v6_0, "pc-i440fx-6.0", NULL, 530 pc_i440fx_6_0_machine_options); 531 532 static void pc_i440fx_5_2_machine_options(MachineClass *m) 533 { 534 pc_i440fx_6_0_machine_options(m); 535 compat_props_add(m->compat_props, hw_compat_5_2, hw_compat_5_2_len); 536 compat_props_add(m->compat_props, pc_compat_5_2, pc_compat_5_2_len); 537 } 538 539 DEFINE_I440FX_MACHINE(v5_2, "pc-i440fx-5.2", NULL, 540 pc_i440fx_5_2_machine_options); 541 542 static void pc_i440fx_5_1_machine_options(MachineClass *m) 543 { 544 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 545 546 pc_i440fx_5_2_machine_options(m); 547 compat_props_add(m->compat_props, hw_compat_5_1, hw_compat_5_1_len); 548 compat_props_add(m->compat_props, pc_compat_5_1, pc_compat_5_1_len); 549 pcmc->kvmclock_create_always = false; 550 pcmc->pci_root_uid = 1; 551 } 552 553 DEFINE_I440FX_MACHINE(v5_1, "pc-i440fx-5.1", NULL, 554 pc_i440fx_5_1_machine_options); 555 556 static void pc_i440fx_5_0_machine_options(MachineClass *m) 557 { 558 pc_i440fx_5_1_machine_options(m); 559 m->numa_mem_supported = true; 560 compat_props_add(m->compat_props, hw_compat_5_0, hw_compat_5_0_len); 561 compat_props_add(m->compat_props, pc_compat_5_0, pc_compat_5_0_len); 562 m->auto_enable_numa_with_memdev = false; 563 } 564 565 DEFINE_I440FX_MACHINE(v5_0, "pc-i440fx-5.0", NULL, 566 pc_i440fx_5_0_machine_options); 567 568 static void pc_i440fx_4_2_machine_options(MachineClass *m) 569 { 570 pc_i440fx_5_0_machine_options(m); 571 compat_props_add(m->compat_props, hw_compat_4_2, hw_compat_4_2_len); 572 compat_props_add(m->compat_props, pc_compat_4_2, pc_compat_4_2_len); 573 } 574 575 DEFINE_I440FX_MACHINE(v4_2, "pc-i440fx-4.2", NULL, 576 pc_i440fx_4_2_machine_options); 577 578 static void pc_i440fx_4_1_machine_options(MachineClass *m) 579 { 580 pc_i440fx_4_2_machine_options(m); 581 compat_props_add(m->compat_props, hw_compat_4_1, hw_compat_4_1_len); 582 compat_props_add(m->compat_props, pc_compat_4_1, pc_compat_4_1_len); 583 } 584 585 DEFINE_I440FX_MACHINE(v4_1, "pc-i440fx-4.1", NULL, 586 pc_i440fx_4_1_machine_options); 587 588 static void pc_i440fx_4_0_machine_options(MachineClass *m) 589 { 590 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 591 pc_i440fx_4_1_machine_options(m); 592 pcmc->default_cpu_version = CPU_VERSION_LEGACY; 593 compat_props_add(m->compat_props, hw_compat_4_0, hw_compat_4_0_len); 594 compat_props_add(m->compat_props, pc_compat_4_0, pc_compat_4_0_len); 595 } 596 597 DEFINE_I440FX_MACHINE(v4_0, "pc-i440fx-4.0", NULL, 598 pc_i440fx_4_0_machine_options); 599 600 static void pc_i440fx_3_1_machine_options(MachineClass *m) 601 { 602 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 603 604 pc_i440fx_4_0_machine_options(m); 605 m->smbus_no_migration_support = true; 606 pcmc->pvh_enabled = false; 607 compat_props_add(m->compat_props, hw_compat_3_1, hw_compat_3_1_len); 608 compat_props_add(m->compat_props, pc_compat_3_1, pc_compat_3_1_len); 609 } 610 611 DEFINE_I440FX_MACHINE(v3_1, "pc-i440fx-3.1", NULL, 612 pc_i440fx_3_1_machine_options); 613 614 static void pc_i440fx_3_0_machine_options(MachineClass *m) 615 { 616 pc_i440fx_3_1_machine_options(m); 617 compat_props_add(m->compat_props, hw_compat_3_0, hw_compat_3_0_len); 618 compat_props_add(m->compat_props, pc_compat_3_0, pc_compat_3_0_len); 619 } 620 621 DEFINE_I440FX_MACHINE(v3_0, "pc-i440fx-3.0", NULL, 622 pc_i440fx_3_0_machine_options); 623 624 static void pc_i440fx_2_12_machine_options(MachineClass *m) 625 { 626 pc_i440fx_3_0_machine_options(m); 627 compat_props_add(m->compat_props, hw_compat_2_12, hw_compat_2_12_len); 628 compat_props_add(m->compat_props, pc_compat_2_12, pc_compat_2_12_len); 629 } 630 631 DEFINE_I440FX_MACHINE(v2_12, "pc-i440fx-2.12", NULL, 632 pc_i440fx_2_12_machine_options); 633 634 static void pc_i440fx_2_11_machine_options(MachineClass *m) 635 { 636 pc_i440fx_2_12_machine_options(m); 637 compat_props_add(m->compat_props, hw_compat_2_11, hw_compat_2_11_len); 638 compat_props_add(m->compat_props, pc_compat_2_11, pc_compat_2_11_len); 639 } 640 641 DEFINE_I440FX_MACHINE(v2_11, "pc-i440fx-2.11", NULL, 642 pc_i440fx_2_11_machine_options); 643 644 static void pc_i440fx_2_10_machine_options(MachineClass *m) 645 { 646 pc_i440fx_2_11_machine_options(m); 647 compat_props_add(m->compat_props, hw_compat_2_10, hw_compat_2_10_len); 648 compat_props_add(m->compat_props, pc_compat_2_10, pc_compat_2_10_len); 649 m->auto_enable_numa_with_memhp = false; 650 } 651 652 DEFINE_I440FX_MACHINE(v2_10, "pc-i440fx-2.10", NULL, 653 pc_i440fx_2_10_machine_options); 654 655 static void pc_i440fx_2_9_machine_options(MachineClass *m) 656 { 657 pc_i440fx_2_10_machine_options(m); 658 compat_props_add(m->compat_props, hw_compat_2_9, hw_compat_2_9_len); 659 compat_props_add(m->compat_props, pc_compat_2_9, pc_compat_2_9_len); 660 } 661 662 DEFINE_I440FX_MACHINE(v2_9, "pc-i440fx-2.9", NULL, 663 pc_i440fx_2_9_machine_options); 664 665 static void pc_i440fx_2_8_machine_options(MachineClass *m) 666 { 667 pc_i440fx_2_9_machine_options(m); 668 compat_props_add(m->compat_props, hw_compat_2_8, hw_compat_2_8_len); 669 compat_props_add(m->compat_props, pc_compat_2_8, pc_compat_2_8_len); 670 } 671 672 DEFINE_I440FX_MACHINE(v2_8, "pc-i440fx-2.8", NULL, 673 pc_i440fx_2_8_machine_options); 674 675 static void pc_i440fx_2_7_machine_options(MachineClass *m) 676 { 677 pc_i440fx_2_8_machine_options(m); 678 compat_props_add(m->compat_props, hw_compat_2_7, hw_compat_2_7_len); 679 compat_props_add(m->compat_props, pc_compat_2_7, pc_compat_2_7_len); 680 } 681 682 DEFINE_I440FX_MACHINE(v2_7, "pc-i440fx-2.7", NULL, 683 pc_i440fx_2_7_machine_options); 684 685 static void pc_i440fx_2_6_machine_options(MachineClass *m) 686 { 687 X86MachineClass *x86mc = X86_MACHINE_CLASS(m); 688 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 689 690 pc_i440fx_2_7_machine_options(m); 691 pcmc->legacy_cpu_hotplug = true; 692 x86mc->fwcfg_dma_enabled = false; 693 compat_props_add(m->compat_props, hw_compat_2_6, hw_compat_2_6_len); 694 compat_props_add(m->compat_props, pc_compat_2_6, pc_compat_2_6_len); 695 } 696 697 DEFINE_I440FX_MACHINE(v2_6, "pc-i440fx-2.6", NULL, 698 pc_i440fx_2_6_machine_options); 699 700 static void pc_i440fx_2_5_machine_options(MachineClass *m) 701 { 702 X86MachineClass *x86mc = X86_MACHINE_CLASS(m); 703 704 pc_i440fx_2_6_machine_options(m); 705 x86mc->save_tsc_khz = false; 706 m->legacy_fw_cfg_order = 1; 707 compat_props_add(m->compat_props, hw_compat_2_5, hw_compat_2_5_len); 708 compat_props_add(m->compat_props, pc_compat_2_5, pc_compat_2_5_len); 709 } 710 711 DEFINE_I440FX_MACHINE(v2_5, "pc-i440fx-2.5", NULL, 712 pc_i440fx_2_5_machine_options); 713 714 static void pc_i440fx_2_4_machine_options(MachineClass *m) 715 { 716 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 717 718 pc_i440fx_2_5_machine_options(m); 719 m->hw_version = "2.4.0"; 720 pcmc->broken_reserved_end = true; 721 compat_props_add(m->compat_props, hw_compat_2_4, hw_compat_2_4_len); 722 compat_props_add(m->compat_props, pc_compat_2_4, pc_compat_2_4_len); 723 } 724 725 DEFINE_I440FX_MACHINE(v2_4, "pc-i440fx-2.4", NULL, 726 pc_i440fx_2_4_machine_options) 727 728 static void pc_i440fx_2_3_machine_options(MachineClass *m) 729 { 730 pc_i440fx_2_4_machine_options(m); 731 m->hw_version = "2.3.0"; 732 compat_props_add(m->compat_props, hw_compat_2_3, hw_compat_2_3_len); 733 compat_props_add(m->compat_props, pc_compat_2_3, pc_compat_2_3_len); 734 } 735 736 DEFINE_I440FX_MACHINE(v2_3, "pc-i440fx-2.3", pc_compat_2_3_fn, 737 pc_i440fx_2_3_machine_options); 738 739 static void pc_i440fx_2_2_machine_options(MachineClass *m) 740 { 741 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 742 743 pc_i440fx_2_3_machine_options(m); 744 m->hw_version = "2.2.0"; 745 m->default_machine_opts = "firmware=bios-256k.bin,suppress-vmdesc=on"; 746 compat_props_add(m->compat_props, hw_compat_2_2, hw_compat_2_2_len); 747 compat_props_add(m->compat_props, pc_compat_2_2, pc_compat_2_2_len); 748 pcmc->rsdp_in_ram = false; 749 } 750 751 DEFINE_I440FX_MACHINE(v2_2, "pc-i440fx-2.2", pc_compat_2_2_fn, 752 pc_i440fx_2_2_machine_options); 753 754 static void pc_i440fx_2_1_machine_options(MachineClass *m) 755 { 756 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 757 758 pc_i440fx_2_2_machine_options(m); 759 m->hw_version = "2.1.0"; 760 m->default_display = NULL; 761 compat_props_add(m->compat_props, hw_compat_2_1, hw_compat_2_1_len); 762 compat_props_add(m->compat_props, pc_compat_2_1, pc_compat_2_1_len); 763 pcmc->smbios_uuid_encoded = false; 764 pcmc->enforce_aligned_dimm = false; 765 } 766 767 DEFINE_I440FX_MACHINE(v2_1, "pc-i440fx-2.1", pc_compat_2_1_fn, 768 pc_i440fx_2_1_machine_options); 769 770 static void pc_i440fx_2_0_machine_options(MachineClass *m) 771 { 772 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 773 774 pc_i440fx_2_1_machine_options(m); 775 m->hw_version = "2.0.0"; 776 compat_props_add(m->compat_props, pc_compat_2_0, pc_compat_2_0_len); 777 pcmc->smbios_legacy_mode = true; 778 pcmc->has_reserved_memory = false; 779 /* This value depends on the actual DSDT and SSDT compiled into 780 * the source QEMU; unfortunately it depends on the binary and 781 * not on the machine type, so we cannot make pc-i440fx-1.7 work on 782 * both QEMU 1.7 and QEMU 2.0. 783 * 784 * Large variations cause migration to fail for more than one 785 * consecutive value of the "-smp" maxcpus option. 786 * 787 * For small variations of the kind caused by different iasl versions, 788 * the 4k rounding usually leaves slack. However, there could be still 789 * one or two values that break. For QEMU 1.7 and QEMU 2.0 the 790 * slack is only ~10 bytes before one "-smp maxcpus" value breaks! 791 * 792 * 6652 is valid for QEMU 2.0, the right value for pc-i440fx-1.7 on 793 * QEMU 1.7 it is 6414. For RHEL/CentOS 7.0 it is 6418. 794 */ 795 pcmc->legacy_acpi_table_size = 6652; 796 pcmc->acpi_data_size = 0x10000; 797 } 798 799 DEFINE_I440FX_MACHINE(v2_0, "pc-i440fx-2.0", pc_compat_2_0_fn, 800 pc_i440fx_2_0_machine_options); 801 802 static void pc_i440fx_1_7_machine_options(MachineClass *m) 803 { 804 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 805 806 pc_i440fx_2_0_machine_options(m); 807 m->hw_version = "1.7.0"; 808 m->default_machine_opts = NULL; 809 m->option_rom_has_mr = true; 810 m->deprecation_reason = "old and unattended - use a newer version instead"; 811 compat_props_add(m->compat_props, pc_compat_1_7, pc_compat_1_7_len); 812 pcmc->smbios_defaults = false; 813 pcmc->gigabyte_align = false; 814 pcmc->legacy_acpi_table_size = 6414; 815 } 816 817 DEFINE_I440FX_MACHINE(v1_7, "pc-i440fx-1.7", pc_compat_1_7_fn, 818 pc_i440fx_1_7_machine_options); 819 820 static void pc_i440fx_1_6_machine_options(MachineClass *m) 821 { 822 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 823 824 pc_i440fx_1_7_machine_options(m); 825 m->hw_version = "1.6.0"; 826 m->rom_file_has_mr = false; 827 compat_props_add(m->compat_props, pc_compat_1_6, pc_compat_1_6_len); 828 pcmc->has_acpi_build = false; 829 } 830 831 DEFINE_I440FX_MACHINE(v1_6, "pc-i440fx-1.6", pc_compat_1_6_fn, 832 pc_i440fx_1_6_machine_options); 833 834 static void pc_i440fx_1_5_machine_options(MachineClass *m) 835 { 836 pc_i440fx_1_6_machine_options(m); 837 m->hw_version = "1.5.0"; 838 compat_props_add(m->compat_props, pc_compat_1_5, pc_compat_1_5_len); 839 } 840 841 DEFINE_I440FX_MACHINE(v1_5, "pc-i440fx-1.5", pc_compat_1_5_fn, 842 pc_i440fx_1_5_machine_options); 843 844 static void pc_i440fx_1_4_machine_options(MachineClass *m) 845 { 846 pc_i440fx_1_5_machine_options(m); 847 m->hw_version = "1.4.0"; 848 compat_props_add(m->compat_props, pc_compat_1_4, pc_compat_1_4_len); 849 } 850 851 DEFINE_I440FX_MACHINE(v1_4, "pc-i440fx-1.4", pc_compat_1_4_fn, 852 pc_i440fx_1_4_machine_options); 853 854 #ifdef CONFIG_ISAPC 855 static void isapc_machine_options(MachineClass *m) 856 { 857 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 858 m->desc = "ISA-only PC"; 859 m->max_cpus = 1; 860 m->option_rom_has_mr = true; 861 m->rom_file_has_mr = false; 862 pcmc->pci_enabled = false; 863 pcmc->has_acpi_build = false; 864 pcmc->smbios_defaults = false; 865 pcmc->gigabyte_align = false; 866 pcmc->smbios_legacy_mode = true; 867 pcmc->has_reserved_memory = false; 868 pcmc->default_nic_model = "ne2k_isa"; 869 m->default_cpu_type = X86_CPU_TYPE_NAME("486"); 870 } 871 872 DEFINE_PC_MACHINE(isapc, "isapc", pc_init_isa, 873 isapc_machine_options); 874 #endif 875 876 #ifdef CONFIG_XEN 877 static void xenfv_4_2_machine_options(MachineClass *m) 878 { 879 pc_i440fx_4_2_machine_options(m); 880 m->desc = "Xen Fully-virtualized PC"; 881 m->max_cpus = HVM_MAX_VCPUS; 882 m->default_machine_opts = "accel=xen,suppress-vmdesc=on"; 883 } 884 885 DEFINE_PC_MACHINE(xenfv_4_2, "xenfv-4.2", pc_xen_hvm_init, 886 xenfv_4_2_machine_options); 887 888 static void xenfv_3_1_machine_options(MachineClass *m) 889 { 890 pc_i440fx_3_1_machine_options(m); 891 m->desc = "Xen Fully-virtualized PC"; 892 m->alias = "xenfv"; 893 m->max_cpus = HVM_MAX_VCPUS; 894 m->default_machine_opts = "accel=xen,suppress-vmdesc=on"; 895 } 896 897 DEFINE_PC_MACHINE(xenfv, "xenfv-3.1", pc_xen_hvm_init, 898 xenfv_3_1_machine_options); 899 #endif 900