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