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/char/parallel-isa.h" 30 #include "hw/dma/i8257.h" 31 #include "hw/loader.h" 32 #include "hw/i386/x86.h" 33 #include "hw/i386/pc.h" 34 #include "hw/i386/apic.h" 35 #include "hw/pci-host/i440fx.h" 36 #include "hw/rtc/mc146818rtc.h" 37 #include "hw/southbridge/piix.h" 38 #include "hw/display/ramfb.h" 39 #include "hw/firmware/smbios.h" 40 #include "hw/pci/pci.h" 41 #include "hw/pci/pci_ids.h" 42 #include "hw/usb.h" 43 #include "net/net.h" 44 #include "hw/ide/isa.h" 45 #include "hw/ide/pci.h" 46 #include "hw/ide/piix.h" 47 #include "hw/irq.h" 48 #include "sysemu/kvm.h" 49 #include "hw/kvm/clock.h" 50 #include "hw/sysbus.h" 51 #include "hw/i2c/smbus_eeprom.h" 52 #include "exec/memory.h" 53 #include "hw/acpi/acpi.h" 54 #include "hw/acpi/piix4.h" 55 #include "hw/usb/hcd-uhci.h" 56 #include "qapi/error.h" 57 #include "qemu/error-report.h" 58 #include "sysemu/xen.h" 59 #ifdef CONFIG_XEN 60 #include <xen/hvm/hvm_info_table.h> 61 #include "hw/xen/xen_pt.h" 62 #endif 63 #include "hw/xen/xen-x86.h" 64 #include "hw/xen/xen.h" 65 #include "migration/global_state.h" 66 #include "migration/misc.h" 67 #include "sysemu/numa.h" 68 #include "hw/hyperv/vmbus-bridge.h" 69 #include "hw/mem/nvdimm.h" 70 #include "hw/i386/acpi-build.h" 71 #include "kvm/kvm-cpu.h" 72 73 #define MAX_IDE_BUS 2 74 #define XEN_IOAPIC_NUM_PIRQS 128ULL 75 76 #ifdef CONFIG_IDE_ISA 77 static const int ide_iobase[MAX_IDE_BUS] = { 0x1f0, 0x170 }; 78 static const int ide_iobase2[MAX_IDE_BUS] = { 0x3f6, 0x376 }; 79 static const int ide_irq[MAX_IDE_BUS] = { 14, 15 }; 80 #endif 81 82 /* 83 * Return the global irq number corresponding to a given device irq 84 * pin. We could also use the bus number to have a more precise mapping. 85 */ 86 static int pc_pci_slot_get_pirq(PCIDevice *pci_dev, int pci_intx) 87 { 88 int slot_addend; 89 slot_addend = PCI_SLOT(pci_dev->devfn) - 1; 90 return (pci_intx + slot_addend) & 3; 91 } 92 93 static void piix_intx_routing_notifier_xen(PCIDevice *dev) 94 { 95 int i; 96 97 /* Scan for updates to PCI link routes (0x60-0x63). */ 98 for (i = 0; i < PIIX_NUM_PIRQS; i++) { 99 uint8_t v = dev->config_read(dev, PIIX_PIRQCA + i, 1); 100 if (v & 0x80) { 101 v = 0; 102 } 103 v &= 0xf; 104 xen_set_pci_link_route(i, v); 105 } 106 } 107 108 /* PC hardware initialisation */ 109 static void pc_init1(MachineState *machine, 110 const char *host_type, const char *pci_type) 111 { 112 PCMachineState *pcms = PC_MACHINE(machine); 113 PCMachineClass *pcmc = PC_MACHINE_GET_CLASS(pcms); 114 X86MachineState *x86ms = X86_MACHINE(machine); 115 MemoryRegion *system_memory = get_system_memory(); 116 MemoryRegion *system_io = get_system_io(); 117 PCIBus *pci_bus = NULL; 118 ISABus *isa_bus; 119 int piix3_devfn = -1; 120 qemu_irq smi_irq; 121 GSIState *gsi_state; 122 BusState *idebus[MAX_IDE_BUS]; 123 ISADevice *rtc_state; 124 MemoryRegion *ram_memory; 125 MemoryRegion *pci_memory = NULL; 126 MemoryRegion *rom_memory = system_memory; 127 ram_addr_t lowmem; 128 uint64_t hole64_size = 0; 129 130 /* 131 * Calculate ram split, for memory below and above 4G. It's a bit 132 * complicated for backward compatibility reasons ... 133 * 134 * - Traditional split is 3.5G (lowmem = 0xe0000000). This is the 135 * default value for max_ram_below_4g now. 136 * 137 * - Then, to gigabyte align the memory, we move the split to 3G 138 * (lowmem = 0xc0000000). But only in case we have to split in 139 * the first place, i.e. ram_size is larger than (traditional) 140 * lowmem. And for new machine types (gigabyte_align = true) 141 * only, for live migration compatibility reasons. 142 * 143 * - Next the max-ram-below-4g option was added, which allowed to 144 * reduce lowmem to a smaller value, to allow a larger PCI I/O 145 * window below 4G. qemu doesn't enforce gigabyte alignment here, 146 * but prints a warning. 147 * 148 * - Finally max-ram-below-4g got updated to also allow raising lowmem, 149 * so legacy non-PAE guests can get as much memory as possible in 150 * the 32bit address space below 4G. 151 * 152 * - Note that Xen has its own ram setup code in xen_ram_init(), 153 * called via xen_hvm_init_pc(). 154 * 155 * Examples: 156 * qemu -M pc-1.7 -m 4G (old default) -> 3584M low, 512M high 157 * qemu -M pc -m 4G (new default) -> 3072M low, 1024M high 158 * qemu -M pc,max-ram-below-4g=2G -m 4G -> 2048M low, 2048M high 159 * qemu -M pc,max-ram-below-4g=4G -m 3968M -> 3968M low (=4G-128M) 160 */ 161 if (xen_enabled()) { 162 xen_hvm_init_pc(pcms, &ram_memory); 163 } else { 164 ram_memory = machine->ram; 165 if (!pcms->max_ram_below_4g) { 166 pcms->max_ram_below_4g = 0xe0000000; /* default: 3.5G */ 167 } 168 lowmem = pcms->max_ram_below_4g; 169 if (machine->ram_size >= pcms->max_ram_below_4g) { 170 if (pcmc->gigabyte_align) { 171 if (lowmem > 0xc0000000) { 172 lowmem = 0xc0000000; 173 } 174 if (lowmem & (1 * GiB - 1)) { 175 warn_report("Large machine and max_ram_below_4g " 176 "(%" PRIu64 ") not a multiple of 1G; " 177 "possible bad performance.", 178 pcms->max_ram_below_4g); 179 } 180 } 181 } 182 183 if (machine->ram_size >= lowmem) { 184 x86ms->above_4g_mem_size = machine->ram_size - lowmem; 185 x86ms->below_4g_mem_size = lowmem; 186 } else { 187 x86ms->above_4g_mem_size = 0; 188 x86ms->below_4g_mem_size = machine->ram_size; 189 } 190 } 191 192 pc_machine_init_sgx_epc(pcms); 193 x86_cpus_init(x86ms, pcmc->default_cpu_version); 194 195 if (pcmc->kvmclock_enabled) { 196 kvmclock_create(pcmc->kvmclock_create_always); 197 } 198 199 if (pcmc->pci_enabled) { 200 Object *phb; 201 202 pci_memory = g_new(MemoryRegion, 1); 203 memory_region_init(pci_memory, NULL, "pci", UINT64_MAX); 204 rom_memory = pci_memory; 205 206 phb = OBJECT(qdev_new(host_type)); 207 object_property_add_child(OBJECT(machine), "i440fx", phb); 208 object_property_set_link(phb, PCI_HOST_PROP_RAM_MEM, 209 OBJECT(ram_memory), &error_fatal); 210 object_property_set_link(phb, PCI_HOST_PROP_PCI_MEM, 211 OBJECT(pci_memory), &error_fatal); 212 object_property_set_link(phb, PCI_HOST_PROP_SYSTEM_MEM, 213 OBJECT(system_memory), &error_fatal); 214 object_property_set_link(phb, PCI_HOST_PROP_IO_MEM, 215 OBJECT(system_io), &error_fatal); 216 object_property_set_uint(phb, PCI_HOST_BELOW_4G_MEM_SIZE, 217 x86ms->below_4g_mem_size, &error_fatal); 218 object_property_set_uint(phb, PCI_HOST_ABOVE_4G_MEM_SIZE, 219 x86ms->above_4g_mem_size, &error_fatal); 220 object_property_set_str(phb, I440FX_HOST_PROP_PCI_TYPE, pci_type, 221 &error_fatal); 222 sysbus_realize_and_unref(SYS_BUS_DEVICE(phb), &error_fatal); 223 224 pci_bus = PCI_BUS(qdev_get_child_bus(DEVICE(phb), "pci.0")); 225 pci_bus_map_irqs(pci_bus, 226 xen_enabled() ? xen_pci_slot_get_pirq 227 : pc_pci_slot_get_pirq); 228 pcms->bus = pci_bus; 229 230 hole64_size = object_property_get_uint(phb, 231 PCI_HOST_PROP_PCI_HOLE64_SIZE, 232 &error_abort); 233 } 234 235 pc_guest_info_init(pcms); 236 237 if (pcmc->smbios_defaults) { 238 MachineClass *mc = MACHINE_GET_CLASS(machine); 239 /* These values are guest ABI, do not change */ 240 smbios_set_defaults("QEMU", mc->desc, 241 mc->name, pcmc->smbios_legacy_mode, 242 pcmc->smbios_uuid_encoded, 243 pcms->smbios_entry_point_type); 244 } 245 246 /* allocate ram and load rom/bios */ 247 if (!xen_enabled()) { 248 pc_memory_init(pcms, system_memory, rom_memory, hole64_size); 249 } else { 250 assert(machine->ram_size == x86ms->below_4g_mem_size + 251 x86ms->above_4g_mem_size); 252 253 pc_system_flash_cleanup_unused(pcms); 254 if (machine->kernel_filename != NULL) { 255 /* For xen HVM direct kernel boot, load linux here */ 256 xen_load_linux(pcms); 257 } 258 } 259 260 gsi_state = pc_gsi_create(&x86ms->gsi, pcmc->pci_enabled); 261 262 if (pcmc->pci_enabled) { 263 PIIX3State *piix3; 264 PCIDevice *pci_dev; 265 266 pci_dev = pci_create_simple_multifunction(pci_bus, -1, TYPE_PIIX3_DEVICE); 267 268 if (xen_enabled()) { 269 pci_device_set_intx_routing_notifier( 270 pci_dev, piix_intx_routing_notifier_xen); 271 272 /* 273 * Xen supports additional interrupt routes from the PCI devices to 274 * the IOAPIC: the four pins of each PCI device on the bus are also 275 * connected to the IOAPIC directly. 276 * These additional routes can be discovered through ACPI. 277 */ 278 pci_bus_irqs(pci_bus, xen_intx_set_irq, pci_dev, 279 XEN_IOAPIC_NUM_PIRQS); 280 } 281 282 piix3 = PIIX3_PCI_DEVICE(pci_dev); 283 piix3->pic = x86ms->gsi; 284 piix3_devfn = piix3->dev.devfn; 285 isa_bus = ISA_BUS(qdev_get_child_bus(DEVICE(piix3), "isa.0")); 286 rtc_state = ISA_DEVICE(object_resolve_path_component(OBJECT(pci_dev), 287 "rtc")); 288 } else { 289 isa_bus = isa_bus_new(NULL, system_memory, system_io, 290 &error_abort); 291 292 rtc_state = isa_new(TYPE_MC146818_RTC); 293 qdev_prop_set_int32(DEVICE(rtc_state), "base_year", 2000); 294 isa_realize_and_unref(rtc_state, isa_bus, &error_fatal); 295 296 i8257_dma_init(isa_bus, 0); 297 pcms->hpet_enabled = false; 298 } 299 isa_bus_register_input_irqs(isa_bus, x86ms->gsi); 300 301 if (x86ms->pic == ON_OFF_AUTO_ON || x86ms->pic == ON_OFF_AUTO_AUTO) { 302 pc_i8259_create(isa_bus, gsi_state->i8259_irq); 303 } 304 305 if (pcmc->pci_enabled) { 306 ioapic_init_gsi(gsi_state, "i440fx"); 307 } 308 309 if (tcg_enabled()) { 310 x86_register_ferr_irq(x86ms->gsi[13]); 311 } 312 313 pc_vga_init(isa_bus, pcmc->pci_enabled ? pci_bus : NULL); 314 315 assert(pcms->vmport != ON_OFF_AUTO__MAX); 316 if (pcms->vmport == ON_OFF_AUTO_AUTO) { 317 pcms->vmport = xen_enabled() ? ON_OFF_AUTO_OFF : ON_OFF_AUTO_ON; 318 } 319 320 /* init basic PC hardware */ 321 pc_basic_device_init(pcms, isa_bus, x86ms->gsi, rtc_state, true, 322 0x4); 323 324 pc_nic_init(pcmc, isa_bus, pci_bus); 325 326 if (pcmc->pci_enabled) { 327 PCIDevice *dev; 328 329 dev = pci_create_simple(pci_bus, piix3_devfn + 1, TYPE_PIIX3_IDE); 330 pci_ide_create_devs(dev); 331 idebus[0] = qdev_get_child_bus(&dev->qdev, "ide.0"); 332 idebus[1] = qdev_get_child_bus(&dev->qdev, "ide.1"); 333 pc_cmos_init(pcms, idebus[0], idebus[1], rtc_state); 334 } 335 #ifdef CONFIG_IDE_ISA 336 else { 337 DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS]; 338 int i; 339 340 ide_drive_get(hd, ARRAY_SIZE(hd)); 341 for (i = 0; i < MAX_IDE_BUS; i++) { 342 ISADevice *dev; 343 char busname[] = "ide.0"; 344 dev = isa_ide_init(isa_bus, ide_iobase[i], ide_iobase2[i], 345 ide_irq[i], 346 hd[MAX_IDE_DEVS * i], hd[MAX_IDE_DEVS * i + 1]); 347 /* 348 * The ide bus name is ide.0 for the first bus and ide.1 for the 349 * second one. 350 */ 351 busname[4] = '0' + i; 352 idebus[i] = qdev_get_child_bus(DEVICE(dev), busname); 353 } 354 pc_cmos_init(pcms, idebus[0], idebus[1], rtc_state); 355 } 356 #endif 357 358 if (pcmc->pci_enabled && machine_usb(machine)) { 359 pci_create_simple(pci_bus, piix3_devfn + 2, TYPE_PIIX3_USB_UHCI); 360 } 361 362 if (pcmc->pci_enabled && x86_machine_is_acpi_enabled(X86_MACHINE(pcms))) { 363 PCIDevice *piix4_pm; 364 365 smi_irq = qemu_allocate_irq(pc_acpi_smi_interrupt, first_cpu, 0); 366 piix4_pm = pci_new(piix3_devfn + 3, TYPE_PIIX4_PM); 367 qdev_prop_set_uint32(DEVICE(piix4_pm), "smb_io_base", 0xb100); 368 qdev_prop_set_bit(DEVICE(piix4_pm), "smm-enabled", 369 x86_machine_is_smm_enabled(x86ms)); 370 pci_realize_and_unref(piix4_pm, pci_bus, &error_fatal); 371 372 qdev_connect_gpio_out(DEVICE(piix4_pm), 0, x86ms->gsi[9]); 373 qdev_connect_gpio_out_named(DEVICE(piix4_pm), "smi-irq", 0, smi_irq); 374 pcms->smbus = I2C_BUS(qdev_get_child_bus(DEVICE(piix4_pm), "i2c")); 375 /* TODO: Populate SPD eeprom data. */ 376 smbus_eeprom_init(pcms->smbus, 8, NULL, 0); 377 378 object_property_add_link(OBJECT(machine), PC_MACHINE_ACPI_DEVICE_PROP, 379 TYPE_HOTPLUG_HANDLER, 380 (Object **)&x86ms->acpi_dev, 381 object_property_allow_set_link, 382 OBJ_PROP_LINK_STRONG); 383 object_property_set_link(OBJECT(machine), PC_MACHINE_ACPI_DEVICE_PROP, 384 OBJECT(piix4_pm), &error_abort); 385 } 386 387 if (machine->nvdimms_state->is_enabled) { 388 nvdimm_init_acpi_state(machine->nvdimms_state, system_io, 389 x86_nvdimm_acpi_dsmio, 390 x86ms->fw_cfg, OBJECT(pcms)); 391 } 392 } 393 394 /* Looking for a pc_compat_2_4() function? It doesn't exist. 395 * pc_compat_*() functions that run on machine-init time and 396 * change global QEMU state are deprecated. Please don't create 397 * one, and implement any pc-*-2.4 (and newer) compat code in 398 * hw_compat_*, pc_compat_*, or * pc_*_machine_options(). 399 */ 400 401 static void pc_compat_2_3_fn(MachineState *machine) 402 { 403 X86MachineState *x86ms = X86_MACHINE(machine); 404 if (kvm_enabled()) { 405 x86ms->smm = ON_OFF_AUTO_OFF; 406 } 407 } 408 409 static void pc_compat_2_2_fn(MachineState *machine) 410 { 411 pc_compat_2_3_fn(machine); 412 } 413 414 static void pc_compat_2_1_fn(MachineState *machine) 415 { 416 pc_compat_2_2_fn(machine); 417 x86_cpu_change_kvm_default("svm", NULL); 418 } 419 420 static void pc_compat_2_0_fn(MachineState *machine) 421 { 422 pc_compat_2_1_fn(machine); 423 } 424 425 static void pc_compat_1_7_fn(MachineState *machine) 426 { 427 pc_compat_2_0_fn(machine); 428 x86_cpu_change_kvm_default("x2apic", NULL); 429 } 430 431 static void pc_compat_1_6_fn(MachineState *machine) 432 { 433 pc_compat_1_7_fn(machine); 434 } 435 436 static void pc_compat_1_5_fn(MachineState *machine) 437 { 438 pc_compat_1_6_fn(machine); 439 } 440 441 static void pc_compat_1_4_fn(MachineState *machine) 442 { 443 pc_compat_1_5_fn(machine); 444 } 445 446 #ifdef CONFIG_ISAPC 447 static void pc_init_isa(MachineState *machine) 448 { 449 pc_init1(machine, TYPE_I440FX_PCI_HOST_BRIDGE, TYPE_I440FX_PCI_DEVICE); 450 } 451 #endif 452 453 #ifdef CONFIG_XEN 454 static void pc_xen_hvm_init_pci(MachineState *machine) 455 { 456 const char *pci_type = xen_igd_gfx_pt_enabled() ? 457 TYPE_IGD_PASSTHROUGH_I440FX_PCI_DEVICE : TYPE_I440FX_PCI_DEVICE; 458 459 pc_init1(machine, 460 TYPE_I440FX_PCI_HOST_BRIDGE, 461 pci_type); 462 } 463 464 static void pc_xen_hvm_init(MachineState *machine) 465 { 466 PCMachineState *pcms = PC_MACHINE(machine); 467 468 if (!xen_enabled()) { 469 error_report("xenfv machine requires the xen accelerator"); 470 exit(1); 471 } 472 473 pc_xen_hvm_init_pci(machine); 474 xen_igd_reserve_slot(pcms->bus); 475 pci_create_simple(pcms->bus, -1, "xen-platform"); 476 } 477 #endif 478 479 #define DEFINE_I440FX_MACHINE(suffix, name, compatfn, optionfn) \ 480 static void pc_init_##suffix(MachineState *machine) \ 481 { \ 482 void (*compat)(MachineState *m) = (compatfn); \ 483 if (compat) { \ 484 compat(machine); \ 485 } \ 486 pc_init1(machine, TYPE_I440FX_PCI_HOST_BRIDGE, \ 487 TYPE_I440FX_PCI_DEVICE); \ 488 } \ 489 DEFINE_PC_MACHINE(suffix, name, pc_init_##suffix, optionfn) 490 491 static void pc_i440fx_machine_options(MachineClass *m) 492 { 493 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 494 pcmc->pci_root_uid = 0; 495 pcmc->default_cpu_version = 1; 496 497 m->family = "pc_piix"; 498 m->desc = "Standard PC (i440FX + PIIX, 1996)"; 499 m->default_machine_opts = "firmware=bios-256k.bin"; 500 m->default_display = "std"; 501 m->default_nic = "e1000"; 502 m->no_parallel = !module_object_class_by_name(TYPE_ISA_PARALLEL); 503 machine_class_allow_dynamic_sysbus_dev(m, TYPE_RAMFB_DEVICE); 504 machine_class_allow_dynamic_sysbus_dev(m, TYPE_VMBUS_BRIDGE); 505 } 506 507 static void pc_i440fx_8_1_machine_options(MachineClass *m) 508 { 509 pc_i440fx_machine_options(m); 510 m->alias = "pc"; 511 m->is_default = true; 512 } 513 514 DEFINE_I440FX_MACHINE(v8_1, "pc-i440fx-8.1", NULL, 515 pc_i440fx_8_1_machine_options); 516 517 static void pc_i440fx_8_0_machine_options(MachineClass *m) 518 { 519 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 520 521 pc_i440fx_8_1_machine_options(m); 522 m->alias = NULL; 523 m->is_default = false; 524 compat_props_add(m->compat_props, hw_compat_8_0, hw_compat_8_0_len); 525 compat_props_add(m->compat_props, pc_compat_8_0, pc_compat_8_0_len); 526 527 /* For pc-i44fx-8.0 and older, use SMBIOS 2.8 by default */ 528 pcmc->default_smbios_ep_type = SMBIOS_ENTRY_POINT_TYPE_32; 529 } 530 531 DEFINE_I440FX_MACHINE(v8_0, "pc-i440fx-8.0", NULL, 532 pc_i440fx_8_0_machine_options); 533 534 static void pc_i440fx_7_2_machine_options(MachineClass *m) 535 { 536 pc_i440fx_8_0_machine_options(m); 537 compat_props_add(m->compat_props, hw_compat_7_2, hw_compat_7_2_len); 538 compat_props_add(m->compat_props, pc_compat_7_2, pc_compat_7_2_len); 539 } 540 541 DEFINE_I440FX_MACHINE(v7_2, "pc-i440fx-7.2", NULL, 542 pc_i440fx_7_2_machine_options); 543 544 static void pc_i440fx_7_1_machine_options(MachineClass *m) 545 { 546 pc_i440fx_7_2_machine_options(m); 547 compat_props_add(m->compat_props, hw_compat_7_1, hw_compat_7_1_len); 548 compat_props_add(m->compat_props, pc_compat_7_1, pc_compat_7_1_len); 549 } 550 551 DEFINE_I440FX_MACHINE(v7_1, "pc-i440fx-7.1", NULL, 552 pc_i440fx_7_1_machine_options); 553 554 static void pc_i440fx_7_0_machine_options(MachineClass *m) 555 { 556 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 557 pc_i440fx_7_1_machine_options(m); 558 pcmc->enforce_amd_1tb_hole = false; 559 compat_props_add(m->compat_props, hw_compat_7_0, hw_compat_7_0_len); 560 compat_props_add(m->compat_props, pc_compat_7_0, pc_compat_7_0_len); 561 } 562 563 DEFINE_I440FX_MACHINE(v7_0, "pc-i440fx-7.0", NULL, 564 pc_i440fx_7_0_machine_options); 565 566 static void pc_i440fx_6_2_machine_options(MachineClass *m) 567 { 568 pc_i440fx_7_0_machine_options(m); 569 compat_props_add(m->compat_props, hw_compat_6_2, hw_compat_6_2_len); 570 compat_props_add(m->compat_props, pc_compat_6_2, pc_compat_6_2_len); 571 } 572 573 DEFINE_I440FX_MACHINE(v6_2, "pc-i440fx-6.2", NULL, 574 pc_i440fx_6_2_machine_options); 575 576 static void pc_i440fx_6_1_machine_options(MachineClass *m) 577 { 578 pc_i440fx_6_2_machine_options(m); 579 compat_props_add(m->compat_props, hw_compat_6_1, hw_compat_6_1_len); 580 compat_props_add(m->compat_props, pc_compat_6_1, pc_compat_6_1_len); 581 m->smp_props.prefer_sockets = true; 582 } 583 584 DEFINE_I440FX_MACHINE(v6_1, "pc-i440fx-6.1", NULL, 585 pc_i440fx_6_1_machine_options); 586 587 static void pc_i440fx_6_0_machine_options(MachineClass *m) 588 { 589 pc_i440fx_6_1_machine_options(m); 590 compat_props_add(m->compat_props, hw_compat_6_0, hw_compat_6_0_len); 591 compat_props_add(m->compat_props, pc_compat_6_0, pc_compat_6_0_len); 592 } 593 594 DEFINE_I440FX_MACHINE(v6_0, "pc-i440fx-6.0", NULL, 595 pc_i440fx_6_0_machine_options); 596 597 static void pc_i440fx_5_2_machine_options(MachineClass *m) 598 { 599 pc_i440fx_6_0_machine_options(m); 600 compat_props_add(m->compat_props, hw_compat_5_2, hw_compat_5_2_len); 601 compat_props_add(m->compat_props, pc_compat_5_2, pc_compat_5_2_len); 602 } 603 604 DEFINE_I440FX_MACHINE(v5_2, "pc-i440fx-5.2", NULL, 605 pc_i440fx_5_2_machine_options); 606 607 static void pc_i440fx_5_1_machine_options(MachineClass *m) 608 { 609 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 610 611 pc_i440fx_5_2_machine_options(m); 612 compat_props_add(m->compat_props, hw_compat_5_1, hw_compat_5_1_len); 613 compat_props_add(m->compat_props, pc_compat_5_1, pc_compat_5_1_len); 614 pcmc->kvmclock_create_always = false; 615 pcmc->pci_root_uid = 1; 616 } 617 618 DEFINE_I440FX_MACHINE(v5_1, "pc-i440fx-5.1", NULL, 619 pc_i440fx_5_1_machine_options); 620 621 static void pc_i440fx_5_0_machine_options(MachineClass *m) 622 { 623 pc_i440fx_5_1_machine_options(m); 624 m->numa_mem_supported = true; 625 compat_props_add(m->compat_props, hw_compat_5_0, hw_compat_5_0_len); 626 compat_props_add(m->compat_props, pc_compat_5_0, pc_compat_5_0_len); 627 m->auto_enable_numa_with_memdev = false; 628 } 629 630 DEFINE_I440FX_MACHINE(v5_0, "pc-i440fx-5.0", NULL, 631 pc_i440fx_5_0_machine_options); 632 633 static void pc_i440fx_4_2_machine_options(MachineClass *m) 634 { 635 pc_i440fx_5_0_machine_options(m); 636 compat_props_add(m->compat_props, hw_compat_4_2, hw_compat_4_2_len); 637 compat_props_add(m->compat_props, pc_compat_4_2, pc_compat_4_2_len); 638 } 639 640 DEFINE_I440FX_MACHINE(v4_2, "pc-i440fx-4.2", NULL, 641 pc_i440fx_4_2_machine_options); 642 643 static void pc_i440fx_4_1_machine_options(MachineClass *m) 644 { 645 pc_i440fx_4_2_machine_options(m); 646 compat_props_add(m->compat_props, hw_compat_4_1, hw_compat_4_1_len); 647 compat_props_add(m->compat_props, pc_compat_4_1, pc_compat_4_1_len); 648 } 649 650 DEFINE_I440FX_MACHINE(v4_1, "pc-i440fx-4.1", NULL, 651 pc_i440fx_4_1_machine_options); 652 653 static void pc_i440fx_4_0_machine_options(MachineClass *m) 654 { 655 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 656 pc_i440fx_4_1_machine_options(m); 657 pcmc->default_cpu_version = CPU_VERSION_LEGACY; 658 compat_props_add(m->compat_props, hw_compat_4_0, hw_compat_4_0_len); 659 compat_props_add(m->compat_props, pc_compat_4_0, pc_compat_4_0_len); 660 } 661 662 DEFINE_I440FX_MACHINE(v4_0, "pc-i440fx-4.0", NULL, 663 pc_i440fx_4_0_machine_options); 664 665 static void pc_i440fx_3_1_machine_options(MachineClass *m) 666 { 667 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 668 669 pc_i440fx_4_0_machine_options(m); 670 m->smbus_no_migration_support = true; 671 pcmc->pvh_enabled = false; 672 compat_props_add(m->compat_props, hw_compat_3_1, hw_compat_3_1_len); 673 compat_props_add(m->compat_props, pc_compat_3_1, pc_compat_3_1_len); 674 } 675 676 DEFINE_I440FX_MACHINE(v3_1, "pc-i440fx-3.1", NULL, 677 pc_i440fx_3_1_machine_options); 678 679 static void pc_i440fx_3_0_machine_options(MachineClass *m) 680 { 681 pc_i440fx_3_1_machine_options(m); 682 compat_props_add(m->compat_props, hw_compat_3_0, hw_compat_3_0_len); 683 compat_props_add(m->compat_props, pc_compat_3_0, pc_compat_3_0_len); 684 } 685 686 DEFINE_I440FX_MACHINE(v3_0, "pc-i440fx-3.0", NULL, 687 pc_i440fx_3_0_machine_options); 688 689 static void pc_i440fx_2_12_machine_options(MachineClass *m) 690 { 691 pc_i440fx_3_0_machine_options(m); 692 compat_props_add(m->compat_props, hw_compat_2_12, hw_compat_2_12_len); 693 compat_props_add(m->compat_props, pc_compat_2_12, pc_compat_2_12_len); 694 } 695 696 DEFINE_I440FX_MACHINE(v2_12, "pc-i440fx-2.12", NULL, 697 pc_i440fx_2_12_machine_options); 698 699 static void pc_i440fx_2_11_machine_options(MachineClass *m) 700 { 701 pc_i440fx_2_12_machine_options(m); 702 compat_props_add(m->compat_props, hw_compat_2_11, hw_compat_2_11_len); 703 compat_props_add(m->compat_props, pc_compat_2_11, pc_compat_2_11_len); 704 } 705 706 DEFINE_I440FX_MACHINE(v2_11, "pc-i440fx-2.11", NULL, 707 pc_i440fx_2_11_machine_options); 708 709 static void pc_i440fx_2_10_machine_options(MachineClass *m) 710 { 711 pc_i440fx_2_11_machine_options(m); 712 compat_props_add(m->compat_props, hw_compat_2_10, hw_compat_2_10_len); 713 compat_props_add(m->compat_props, pc_compat_2_10, pc_compat_2_10_len); 714 m->auto_enable_numa_with_memhp = false; 715 } 716 717 DEFINE_I440FX_MACHINE(v2_10, "pc-i440fx-2.10", NULL, 718 pc_i440fx_2_10_machine_options); 719 720 static void pc_i440fx_2_9_machine_options(MachineClass *m) 721 { 722 pc_i440fx_2_10_machine_options(m); 723 compat_props_add(m->compat_props, hw_compat_2_9, hw_compat_2_9_len); 724 compat_props_add(m->compat_props, pc_compat_2_9, pc_compat_2_9_len); 725 } 726 727 DEFINE_I440FX_MACHINE(v2_9, "pc-i440fx-2.9", NULL, 728 pc_i440fx_2_9_machine_options); 729 730 static void pc_i440fx_2_8_machine_options(MachineClass *m) 731 { 732 pc_i440fx_2_9_machine_options(m); 733 compat_props_add(m->compat_props, hw_compat_2_8, hw_compat_2_8_len); 734 compat_props_add(m->compat_props, pc_compat_2_8, pc_compat_2_8_len); 735 } 736 737 DEFINE_I440FX_MACHINE(v2_8, "pc-i440fx-2.8", NULL, 738 pc_i440fx_2_8_machine_options); 739 740 static void pc_i440fx_2_7_machine_options(MachineClass *m) 741 { 742 pc_i440fx_2_8_machine_options(m); 743 compat_props_add(m->compat_props, hw_compat_2_7, hw_compat_2_7_len); 744 compat_props_add(m->compat_props, pc_compat_2_7, pc_compat_2_7_len); 745 } 746 747 DEFINE_I440FX_MACHINE(v2_7, "pc-i440fx-2.7", NULL, 748 pc_i440fx_2_7_machine_options); 749 750 static void pc_i440fx_2_6_machine_options(MachineClass *m) 751 { 752 X86MachineClass *x86mc = X86_MACHINE_CLASS(m); 753 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 754 755 pc_i440fx_2_7_machine_options(m); 756 pcmc->legacy_cpu_hotplug = true; 757 x86mc->fwcfg_dma_enabled = false; 758 compat_props_add(m->compat_props, hw_compat_2_6, hw_compat_2_6_len); 759 compat_props_add(m->compat_props, pc_compat_2_6, pc_compat_2_6_len); 760 } 761 762 DEFINE_I440FX_MACHINE(v2_6, "pc-i440fx-2.6", NULL, 763 pc_i440fx_2_6_machine_options); 764 765 static void pc_i440fx_2_5_machine_options(MachineClass *m) 766 { 767 X86MachineClass *x86mc = X86_MACHINE_CLASS(m); 768 769 pc_i440fx_2_6_machine_options(m); 770 x86mc->save_tsc_khz = false; 771 m->legacy_fw_cfg_order = 1; 772 compat_props_add(m->compat_props, hw_compat_2_5, hw_compat_2_5_len); 773 compat_props_add(m->compat_props, pc_compat_2_5, pc_compat_2_5_len); 774 } 775 776 DEFINE_I440FX_MACHINE(v2_5, "pc-i440fx-2.5", NULL, 777 pc_i440fx_2_5_machine_options); 778 779 static void pc_i440fx_2_4_machine_options(MachineClass *m) 780 { 781 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 782 783 pc_i440fx_2_5_machine_options(m); 784 m->hw_version = "2.4.0"; 785 pcmc->broken_reserved_end = true; 786 compat_props_add(m->compat_props, hw_compat_2_4, hw_compat_2_4_len); 787 compat_props_add(m->compat_props, pc_compat_2_4, pc_compat_2_4_len); 788 } 789 790 DEFINE_I440FX_MACHINE(v2_4, "pc-i440fx-2.4", NULL, 791 pc_i440fx_2_4_machine_options) 792 793 static void pc_i440fx_2_3_machine_options(MachineClass *m) 794 { 795 pc_i440fx_2_4_machine_options(m); 796 m->hw_version = "2.3.0"; 797 compat_props_add(m->compat_props, hw_compat_2_3, hw_compat_2_3_len); 798 compat_props_add(m->compat_props, pc_compat_2_3, pc_compat_2_3_len); 799 } 800 801 DEFINE_I440FX_MACHINE(v2_3, "pc-i440fx-2.3", pc_compat_2_3_fn, 802 pc_i440fx_2_3_machine_options); 803 804 static void pc_i440fx_2_2_machine_options(MachineClass *m) 805 { 806 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 807 808 pc_i440fx_2_3_machine_options(m); 809 m->hw_version = "2.2.0"; 810 m->default_machine_opts = "firmware=bios-256k.bin,suppress-vmdesc=on"; 811 compat_props_add(m->compat_props, hw_compat_2_2, hw_compat_2_2_len); 812 compat_props_add(m->compat_props, pc_compat_2_2, pc_compat_2_2_len); 813 pcmc->rsdp_in_ram = false; 814 pcmc->resizable_acpi_blob = false; 815 } 816 817 DEFINE_I440FX_MACHINE(v2_2, "pc-i440fx-2.2", pc_compat_2_2_fn, 818 pc_i440fx_2_2_machine_options); 819 820 static void pc_i440fx_2_1_machine_options(MachineClass *m) 821 { 822 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 823 824 pc_i440fx_2_2_machine_options(m); 825 m->hw_version = "2.1.0"; 826 m->default_display = NULL; 827 compat_props_add(m->compat_props, hw_compat_2_1, hw_compat_2_1_len); 828 compat_props_add(m->compat_props, pc_compat_2_1, pc_compat_2_1_len); 829 pcmc->smbios_uuid_encoded = false; 830 pcmc->enforce_aligned_dimm = false; 831 } 832 833 DEFINE_I440FX_MACHINE(v2_1, "pc-i440fx-2.1", pc_compat_2_1_fn, 834 pc_i440fx_2_1_machine_options); 835 836 static void pc_i440fx_2_0_machine_options(MachineClass *m) 837 { 838 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 839 840 pc_i440fx_2_1_machine_options(m); 841 m->hw_version = "2.0.0"; 842 compat_props_add(m->compat_props, pc_compat_2_0, pc_compat_2_0_len); 843 pcmc->smbios_legacy_mode = true; 844 pcmc->has_reserved_memory = false; 845 /* This value depends on the actual DSDT and SSDT compiled into 846 * the source QEMU; unfortunately it depends on the binary and 847 * not on the machine type, so we cannot make pc-i440fx-1.7 work on 848 * both QEMU 1.7 and QEMU 2.0. 849 * 850 * Large variations cause migration to fail for more than one 851 * consecutive value of the "-smp" maxcpus option. 852 * 853 * For small variations of the kind caused by different iasl versions, 854 * the 4k rounding usually leaves slack. However, there could be still 855 * one or two values that break. For QEMU 1.7 and QEMU 2.0 the 856 * slack is only ~10 bytes before one "-smp maxcpus" value breaks! 857 * 858 * 6652 is valid for QEMU 2.0, the right value for pc-i440fx-1.7 on 859 * QEMU 1.7 it is 6414. For RHEL/CentOS 7.0 it is 6418. 860 */ 861 pcmc->legacy_acpi_table_size = 6652; 862 pcmc->acpi_data_size = 0x10000; 863 } 864 865 DEFINE_I440FX_MACHINE(v2_0, "pc-i440fx-2.0", pc_compat_2_0_fn, 866 pc_i440fx_2_0_machine_options); 867 868 static void pc_i440fx_1_7_machine_options(MachineClass *m) 869 { 870 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 871 872 pc_i440fx_2_0_machine_options(m); 873 m->hw_version = "1.7.0"; 874 m->default_machine_opts = NULL; 875 m->option_rom_has_mr = true; 876 m->deprecation_reason = "old and unattended - use a newer version instead"; 877 compat_props_add(m->compat_props, pc_compat_1_7, pc_compat_1_7_len); 878 pcmc->smbios_defaults = false; 879 pcmc->gigabyte_align = false; 880 pcmc->legacy_acpi_table_size = 6414; 881 } 882 883 DEFINE_I440FX_MACHINE(v1_7, "pc-i440fx-1.7", pc_compat_1_7_fn, 884 pc_i440fx_1_7_machine_options); 885 886 static void pc_i440fx_1_6_machine_options(MachineClass *m) 887 { 888 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 889 890 pc_i440fx_1_7_machine_options(m); 891 m->hw_version = "1.6.0"; 892 m->rom_file_has_mr = false; 893 compat_props_add(m->compat_props, pc_compat_1_6, pc_compat_1_6_len); 894 pcmc->has_acpi_build = false; 895 } 896 897 DEFINE_I440FX_MACHINE(v1_6, "pc-i440fx-1.6", pc_compat_1_6_fn, 898 pc_i440fx_1_6_machine_options); 899 900 static void pc_i440fx_1_5_machine_options(MachineClass *m) 901 { 902 pc_i440fx_1_6_machine_options(m); 903 m->hw_version = "1.5.0"; 904 compat_props_add(m->compat_props, pc_compat_1_5, pc_compat_1_5_len); 905 } 906 907 DEFINE_I440FX_MACHINE(v1_5, "pc-i440fx-1.5", pc_compat_1_5_fn, 908 pc_i440fx_1_5_machine_options); 909 910 static void pc_i440fx_1_4_machine_options(MachineClass *m) 911 { 912 pc_i440fx_1_5_machine_options(m); 913 m->hw_version = "1.4.0"; 914 compat_props_add(m->compat_props, pc_compat_1_4, pc_compat_1_4_len); 915 } 916 917 DEFINE_I440FX_MACHINE(v1_4, "pc-i440fx-1.4", pc_compat_1_4_fn, 918 pc_i440fx_1_4_machine_options); 919 920 #ifdef CONFIG_ISAPC 921 static void isapc_machine_options(MachineClass *m) 922 { 923 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 924 m->desc = "ISA-only PC"; 925 m->max_cpus = 1; 926 m->option_rom_has_mr = true; 927 m->rom_file_has_mr = false; 928 pcmc->pci_enabled = false; 929 pcmc->has_acpi_build = false; 930 pcmc->smbios_defaults = false; 931 pcmc->gigabyte_align = false; 932 pcmc->smbios_legacy_mode = true; 933 pcmc->has_reserved_memory = false; 934 m->default_nic = "ne2k_isa"; 935 m->default_cpu_type = X86_CPU_TYPE_NAME("486"); 936 m->no_parallel = !module_object_class_by_name(TYPE_ISA_PARALLEL); 937 } 938 939 DEFINE_PC_MACHINE(isapc, "isapc", pc_init_isa, 940 isapc_machine_options); 941 #endif 942 943 #ifdef CONFIG_XEN 944 static void xenfv_4_2_machine_options(MachineClass *m) 945 { 946 pc_i440fx_4_2_machine_options(m); 947 m->desc = "Xen Fully-virtualized PC"; 948 m->max_cpus = HVM_MAX_VCPUS; 949 m->default_machine_opts = "accel=xen,suppress-vmdesc=on"; 950 } 951 952 DEFINE_PC_MACHINE(xenfv_4_2, "xenfv-4.2", pc_xen_hvm_init, 953 xenfv_4_2_machine_options); 954 955 static void xenfv_3_1_machine_options(MachineClass *m) 956 { 957 pc_i440fx_3_1_machine_options(m); 958 m->desc = "Xen Fully-virtualized PC"; 959 m->alias = "xenfv"; 960 m->max_cpus = HVM_MAX_VCPUS; 961 m->default_machine_opts = "accel=xen,suppress-vmdesc=on"; 962 } 963 964 DEFINE_PC_MACHINE(xenfv, "xenfv-3.1", pc_xen_hvm_init, 965 xenfv_3_1_machine_options); 966 #endif 967