1 /* 2 * QEMU PC System Emulator 3 * 4 * Copyright (c) 2003-2004 Fabrice Bellard 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a copy 7 * of this software and associated documentation files (the "Software"), to deal 8 * in the Software without restriction, including without limitation the rights 9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 10 * copies of the Software, and to permit persons to whom the Software is 11 * furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice shall be included in 14 * all copies or substantial portions of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 22 * THE SOFTWARE. 23 */ 24 25 #include "qemu/osdep.h" 26 #include CONFIG_DEVICES 27 28 #include "qemu/units.h" 29 #include "hw/loader.h" 30 #include "hw/i386/x86.h" 31 #include "hw/i386/pc.h" 32 #include "hw/i386/apic.h" 33 #include "hw/pci-host/i440fx.h" 34 #include "hw/southbridge/piix.h" 35 #include "hw/display/ramfb.h" 36 #include "hw/firmware/smbios.h" 37 #include "hw/pci/pci.h" 38 #include "hw/pci/pci_ids.h" 39 #include "hw/usb.h" 40 #include "net/net.h" 41 #include "hw/ide/pci.h" 42 #include "hw/irq.h" 43 #include "sysemu/kvm.h" 44 #include "hw/kvm/clock.h" 45 #include "hw/sysbus.h" 46 #include "hw/i2c/smbus_eeprom.h" 47 #include "hw/xen/xen-x86.h" 48 #include "exec/memory.h" 49 #include "hw/acpi/acpi.h" 50 #include "hw/acpi/piix4.h" 51 #include "qapi/error.h" 52 #include "qemu/error-report.h" 53 #include "sysemu/xen.h" 54 #ifdef CONFIG_XEN 55 #include <xen/hvm/hvm_info_table.h> 56 #include "hw/xen/xen_pt.h" 57 #endif 58 #include "migration/global_state.h" 59 #include "migration/misc.h" 60 #include "sysemu/numa.h" 61 #include "hw/hyperv/vmbus-bridge.h" 62 #include "hw/mem/nvdimm.h" 63 #include "hw/i386/acpi-build.h" 64 #include "kvm/kvm-cpu.h" 65 66 #define MAX_IDE_BUS 2 67 68 #ifdef CONFIG_IDE_ISA 69 static const int ide_iobase[MAX_IDE_BUS] = { 0x1f0, 0x170 }; 70 static const int ide_iobase2[MAX_IDE_BUS] = { 0x3f6, 0x376 }; 71 static const int ide_irq[MAX_IDE_BUS] = { 14, 15 }; 72 #endif 73 74 /* PC hardware initialisation */ 75 static void pc_init1(MachineState *machine, 76 const char *host_type, const char *pci_type) 77 { 78 PCMachineState *pcms = PC_MACHINE(machine); 79 PCMachineClass *pcmc = PC_MACHINE_GET_CLASS(pcms); 80 X86MachineState *x86ms = X86_MACHINE(machine); 81 MemoryRegion *system_memory = get_system_memory(); 82 MemoryRegion *system_io = get_system_io(); 83 PCIBus *pci_bus; 84 ISABus *isa_bus; 85 int piix3_devfn = -1; 86 qemu_irq smi_irq; 87 GSIState *gsi_state; 88 BusState *idebus[MAX_IDE_BUS]; 89 ISADevice *rtc_state; 90 MemoryRegion *ram_memory; 91 MemoryRegion *pci_memory; 92 MemoryRegion *rom_memory; 93 ram_addr_t lowmem; 94 95 /* 96 * Calculate ram split, for memory below and above 4G. It's a bit 97 * complicated for backward compatibility reasons ... 98 * 99 * - Traditional split is 3.5G (lowmem = 0xe0000000). This is the 100 * default value for max_ram_below_4g now. 101 * 102 * - Then, to gigabyte align the memory, we move the split to 3G 103 * (lowmem = 0xc0000000). But only in case we have to split in 104 * the first place, i.e. ram_size is larger than (traditional) 105 * lowmem. And for new machine types (gigabyte_align = true) 106 * only, for live migration compatibility reasons. 107 * 108 * - Next the max-ram-below-4g option was added, which allowed to 109 * reduce lowmem to a smaller value, to allow a larger PCI I/O 110 * window below 4G. qemu doesn't enforce gigabyte alignment here, 111 * but prints a warning. 112 * 113 * - Finally max-ram-below-4g got updated to also allow raising lowmem, 114 * so legacy non-PAE guests can get as much memory as possible in 115 * the 32bit address space below 4G. 116 * 117 * - Note that Xen has its own ram setup code in xen_ram_init(), 118 * called via xen_hvm_init_pc(). 119 * 120 * Examples: 121 * qemu -M pc-1.7 -m 4G (old default) -> 3584M low, 512M high 122 * qemu -M pc -m 4G (new default) -> 3072M low, 1024M high 123 * qemu -M pc,max-ram-below-4g=2G -m 4G -> 2048M low, 2048M high 124 * qemu -M pc,max-ram-below-4g=4G -m 3968M -> 3968M low (=4G-128M) 125 */ 126 if (xen_enabled()) { 127 xen_hvm_init_pc(pcms, &ram_memory); 128 } else { 129 if (!pcms->max_ram_below_4g) { 130 pcms->max_ram_below_4g = 0xe0000000; /* default: 3.5G */ 131 } 132 lowmem = pcms->max_ram_below_4g; 133 if (machine->ram_size >= pcms->max_ram_below_4g) { 134 if (pcmc->gigabyte_align) { 135 if (lowmem > 0xc0000000) { 136 lowmem = 0xc0000000; 137 } 138 if (lowmem & (1 * GiB - 1)) { 139 warn_report("Large machine and max_ram_below_4g " 140 "(%" PRIu64 ") not a multiple of 1G; " 141 "possible bad performance.", 142 pcms->max_ram_below_4g); 143 } 144 } 145 } 146 147 if (machine->ram_size >= lowmem) { 148 x86ms->above_4g_mem_size = machine->ram_size - lowmem; 149 x86ms->below_4g_mem_size = lowmem; 150 } else { 151 x86ms->above_4g_mem_size = 0; 152 x86ms->below_4g_mem_size = machine->ram_size; 153 } 154 } 155 156 pc_machine_init_sgx_epc(pcms); 157 x86_cpus_init(x86ms, pcmc->default_cpu_version); 158 159 if (pcmc->kvmclock_enabled) { 160 kvmclock_create(pcmc->kvmclock_create_always); 161 } 162 163 if (pcmc->pci_enabled) { 164 pci_memory = g_new(MemoryRegion, 1); 165 memory_region_init(pci_memory, NULL, "pci", UINT64_MAX); 166 rom_memory = pci_memory; 167 } else { 168 pci_memory = NULL; 169 rom_memory = system_memory; 170 } 171 172 pc_guest_info_init(pcms); 173 174 if (pcmc->smbios_defaults) { 175 MachineClass *mc = MACHINE_GET_CLASS(machine); 176 /* These values are guest ABI, do not change */ 177 smbios_set_defaults("QEMU", "Standard PC (i440FX + PIIX, 1996)", 178 mc->name, pcmc->smbios_legacy_mode, 179 pcmc->smbios_uuid_encoded, 180 pcms->smbios_entry_point_type); 181 } 182 183 /* allocate ram and load rom/bios */ 184 if (!xen_enabled()) { 185 pc_memory_init(pcms, system_memory, 186 rom_memory, &ram_memory); 187 } else { 188 pc_system_flash_cleanup_unused(pcms); 189 if (machine->kernel_filename != NULL) { 190 /* For xen HVM direct kernel boot, load linux here */ 191 xen_load_linux(pcms); 192 } 193 } 194 195 gsi_state = pc_gsi_create(&x86ms->gsi, pcmc->pci_enabled); 196 197 if (pcmc->pci_enabled) { 198 PIIX3State *piix3; 199 PCIDevice *pci_dev; 200 const char *type = xen_enabled() ? TYPE_PIIX3_XEN_DEVICE 201 : TYPE_PIIX3_DEVICE; 202 203 pci_bus = i440fx_init(host_type, 204 pci_type, 205 system_memory, system_io, machine->ram_size, 206 x86ms->below_4g_mem_size, 207 x86ms->above_4g_mem_size, 208 pci_memory, ram_memory); 209 pcms->bus = pci_bus; 210 211 pci_dev = pci_create_simple_multifunction(pci_bus, -1, true, type); 212 piix3 = PIIX3_PCI_DEVICE(pci_dev); 213 piix3->pic = x86ms->gsi; 214 piix3_devfn = piix3->dev.devfn; 215 isa_bus = ISA_BUS(qdev_get_child_bus(DEVICE(piix3), "isa.0")); 216 } else { 217 pci_bus = NULL; 218 isa_bus = isa_bus_new(NULL, get_system_memory(), system_io, 219 &error_abort); 220 pcms->hpet_enabled = false; 221 } 222 isa_bus_irqs(isa_bus, x86ms->gsi); 223 224 if (x86ms->pic == ON_OFF_AUTO_ON || x86ms->pic == ON_OFF_AUTO_AUTO) { 225 pc_i8259_create(isa_bus, gsi_state->i8259_irq); 226 } 227 228 if (pcmc->pci_enabled) { 229 ioapic_init_gsi(gsi_state, "i440fx"); 230 } 231 232 if (tcg_enabled()) { 233 x86_register_ferr_irq(x86ms->gsi[13]); 234 } 235 236 pc_vga_init(isa_bus, pcmc->pci_enabled ? pci_bus : NULL); 237 238 assert(pcms->vmport != ON_OFF_AUTO__MAX); 239 if (pcms->vmport == ON_OFF_AUTO_AUTO) { 240 pcms->vmport = xen_enabled() ? ON_OFF_AUTO_OFF : ON_OFF_AUTO_ON; 241 } 242 243 /* init basic PC hardware */ 244 pc_basic_device_init(pcms, isa_bus, x86ms->gsi, &rtc_state, true, 245 0x4); 246 247 pc_nic_init(pcmc, isa_bus, pci_bus); 248 249 if (pcmc->pci_enabled) { 250 PCIDevice *dev; 251 252 dev = pci_create_simple(pci_bus, piix3_devfn + 1, "piix3-ide"); 253 pci_ide_create_devs(dev); 254 idebus[0] = qdev_get_child_bus(&dev->qdev, "ide.0"); 255 idebus[1] = qdev_get_child_bus(&dev->qdev, "ide.1"); 256 pc_cmos_init(pcms, idebus[0], idebus[1], rtc_state); 257 } 258 #ifdef CONFIG_IDE_ISA 259 else { 260 DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS]; 261 int i; 262 263 ide_drive_get(hd, ARRAY_SIZE(hd)); 264 for (i = 0; i < MAX_IDE_BUS; i++) { 265 ISADevice *dev; 266 char busname[] = "ide.0"; 267 dev = isa_ide_init(isa_bus, ide_iobase[i], ide_iobase2[i], 268 ide_irq[i], 269 hd[MAX_IDE_DEVS * i], hd[MAX_IDE_DEVS * i + 1]); 270 /* 271 * The ide bus name is ide.0 for the first bus and ide.1 for the 272 * second one. 273 */ 274 busname[4] = '0' + i; 275 idebus[i] = qdev_get_child_bus(DEVICE(dev), busname); 276 } 277 pc_cmos_init(pcms, idebus[0], idebus[1], rtc_state); 278 } 279 #endif 280 281 if (pcmc->pci_enabled && machine_usb(machine)) { 282 pci_create_simple(pci_bus, piix3_devfn + 2, "piix3-usb-uhci"); 283 } 284 285 if (pcmc->pci_enabled && x86_machine_is_acpi_enabled(X86_MACHINE(pcms))) { 286 PCIDevice *piix4_pm; 287 288 smi_irq = qemu_allocate_irq(pc_acpi_smi_interrupt, first_cpu, 0); 289 piix4_pm = pci_new(piix3_devfn + 3, TYPE_PIIX4_PM); 290 qdev_prop_set_uint32(DEVICE(piix4_pm), "smb_io_base", 0xb100); 291 qdev_prop_set_bit(DEVICE(piix4_pm), "smm-enabled", 292 x86_machine_is_smm_enabled(x86ms)); 293 pci_realize_and_unref(piix4_pm, pci_bus, &error_fatal); 294 295 qdev_connect_gpio_out(DEVICE(piix4_pm), 0, x86ms->gsi[9]); 296 qdev_connect_gpio_out_named(DEVICE(piix4_pm), "smi-irq", 0, smi_irq); 297 pcms->smbus = I2C_BUS(qdev_get_child_bus(DEVICE(piix4_pm), "i2c")); 298 /* TODO: Populate SPD eeprom data. */ 299 smbus_eeprom_init(pcms->smbus, 8, NULL, 0); 300 301 object_property_add_link(OBJECT(machine), PC_MACHINE_ACPI_DEVICE_PROP, 302 TYPE_HOTPLUG_HANDLER, 303 (Object **)&x86ms->acpi_dev, 304 object_property_allow_set_link, 305 OBJ_PROP_LINK_STRONG); 306 object_property_set_link(OBJECT(machine), PC_MACHINE_ACPI_DEVICE_PROP, 307 OBJECT(piix4_pm), &error_abort); 308 } 309 310 if (machine->nvdimms_state->is_enabled) { 311 nvdimm_init_acpi_state(machine->nvdimms_state, system_io, 312 x86_nvdimm_acpi_dsmio, 313 x86ms->fw_cfg, OBJECT(pcms)); 314 } 315 } 316 317 /* Looking for a pc_compat_2_4() function? It doesn't exist. 318 * pc_compat_*() functions that run on machine-init time and 319 * change global QEMU state are deprecated. Please don't create 320 * one, and implement any pc-*-2.4 (and newer) compat code in 321 * hw_compat_*, pc_compat_*, or * pc_*_machine_options(). 322 */ 323 324 static void pc_compat_2_3_fn(MachineState *machine) 325 { 326 X86MachineState *x86ms = X86_MACHINE(machine); 327 if (kvm_enabled()) { 328 x86ms->smm = ON_OFF_AUTO_OFF; 329 } 330 } 331 332 static void pc_compat_2_2_fn(MachineState *machine) 333 { 334 pc_compat_2_3_fn(machine); 335 } 336 337 static void pc_compat_2_1_fn(MachineState *machine) 338 { 339 pc_compat_2_2_fn(machine); 340 x86_cpu_change_kvm_default("svm", NULL); 341 } 342 343 static void pc_compat_2_0_fn(MachineState *machine) 344 { 345 pc_compat_2_1_fn(machine); 346 } 347 348 static void pc_compat_1_7_fn(MachineState *machine) 349 { 350 pc_compat_2_0_fn(machine); 351 x86_cpu_change_kvm_default("x2apic", NULL); 352 } 353 354 static void pc_compat_1_6_fn(MachineState *machine) 355 { 356 pc_compat_1_7_fn(machine); 357 } 358 359 static void pc_compat_1_5_fn(MachineState *machine) 360 { 361 pc_compat_1_6_fn(machine); 362 } 363 364 static void pc_compat_1_4_fn(MachineState *machine) 365 { 366 pc_compat_1_5_fn(machine); 367 } 368 369 #ifdef CONFIG_ISAPC 370 static void pc_init_isa(MachineState *machine) 371 { 372 pc_init1(machine, TYPE_I440FX_PCI_HOST_BRIDGE, TYPE_I440FX_PCI_DEVICE); 373 } 374 #endif 375 376 #ifdef CONFIG_XEN 377 static void pc_xen_hvm_init_pci(MachineState *machine) 378 { 379 const char *pci_type = xen_igd_gfx_pt_enabled() ? 380 TYPE_IGD_PASSTHROUGH_I440FX_PCI_DEVICE : TYPE_I440FX_PCI_DEVICE; 381 382 pc_init1(machine, 383 TYPE_I440FX_PCI_HOST_BRIDGE, 384 pci_type); 385 } 386 387 static void pc_xen_hvm_init(MachineState *machine) 388 { 389 PCMachineState *pcms = PC_MACHINE(machine); 390 391 if (!xen_enabled()) { 392 error_report("xenfv machine requires the xen accelerator"); 393 exit(1); 394 } 395 396 pc_xen_hvm_init_pci(machine); 397 pci_create_simple(pcms->bus, -1, "xen-platform"); 398 } 399 #endif 400 401 #define DEFINE_I440FX_MACHINE(suffix, name, compatfn, optionfn) \ 402 static void pc_init_##suffix(MachineState *machine) \ 403 { \ 404 void (*compat)(MachineState *m) = (compatfn); \ 405 if (compat) { \ 406 compat(machine); \ 407 } \ 408 pc_init1(machine, TYPE_I440FX_PCI_HOST_BRIDGE, \ 409 TYPE_I440FX_PCI_DEVICE); \ 410 } \ 411 DEFINE_PC_MACHINE(suffix, name, pc_init_##suffix, optionfn) 412 413 static void pc_i440fx_machine_options(MachineClass *m) 414 { 415 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 416 pcmc->default_nic_model = "e1000"; 417 pcmc->pci_root_uid = 0; 418 419 m->family = "pc_piix"; 420 m->desc = "Standard PC (i440FX + PIIX, 1996)"; 421 m->default_machine_opts = "firmware=bios-256k.bin"; 422 m->default_display = "std"; 423 machine_class_allow_dynamic_sysbus_dev(m, TYPE_RAMFB_DEVICE); 424 machine_class_allow_dynamic_sysbus_dev(m, TYPE_VMBUS_BRIDGE); 425 } 426 427 static void pc_i440fx_7_1_machine_options(MachineClass *m) 428 { 429 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 430 pc_i440fx_machine_options(m); 431 m->alias = "pc"; 432 m->is_default = true; 433 pcmc->default_cpu_version = 1; 434 } 435 436 DEFINE_I440FX_MACHINE(v7_1, "pc-i440fx-7.1", NULL, 437 pc_i440fx_7_1_machine_options); 438 439 static void pc_i440fx_7_0_machine_options(MachineClass *m) 440 { 441 pc_i440fx_7_1_machine_options(m); 442 m->alias = NULL; 443 m->is_default = false; 444 compat_props_add(m->compat_props, hw_compat_7_0, hw_compat_7_0_len); 445 compat_props_add(m->compat_props, pc_compat_7_0, pc_compat_7_0_len); 446 } 447 448 DEFINE_I440FX_MACHINE(v7_0, "pc-i440fx-7.0", NULL, 449 pc_i440fx_7_0_machine_options); 450 451 static void pc_i440fx_6_2_machine_options(MachineClass *m) 452 { 453 pc_i440fx_7_0_machine_options(m); 454 m->alias = NULL; 455 m->is_default = false; 456 compat_props_add(m->compat_props, hw_compat_6_2, hw_compat_6_2_len); 457 compat_props_add(m->compat_props, pc_compat_6_2, pc_compat_6_2_len); 458 } 459 460 DEFINE_I440FX_MACHINE(v6_2, "pc-i440fx-6.2", NULL, 461 pc_i440fx_6_2_machine_options); 462 463 static void pc_i440fx_6_1_machine_options(MachineClass *m) 464 { 465 pc_i440fx_6_2_machine_options(m); 466 m->alias = NULL; 467 m->is_default = false; 468 compat_props_add(m->compat_props, hw_compat_6_1, hw_compat_6_1_len); 469 compat_props_add(m->compat_props, pc_compat_6_1, pc_compat_6_1_len); 470 m->smp_props.prefer_sockets = true; 471 } 472 473 DEFINE_I440FX_MACHINE(v6_1, "pc-i440fx-6.1", NULL, 474 pc_i440fx_6_1_machine_options); 475 476 static void pc_i440fx_6_0_machine_options(MachineClass *m) 477 { 478 pc_i440fx_6_1_machine_options(m); 479 m->alias = NULL; 480 m->is_default = false; 481 compat_props_add(m->compat_props, hw_compat_6_0, hw_compat_6_0_len); 482 compat_props_add(m->compat_props, pc_compat_6_0, pc_compat_6_0_len); 483 } 484 485 DEFINE_I440FX_MACHINE(v6_0, "pc-i440fx-6.0", NULL, 486 pc_i440fx_6_0_machine_options); 487 488 static void pc_i440fx_5_2_machine_options(MachineClass *m) 489 { 490 pc_i440fx_6_0_machine_options(m); 491 m->alias = NULL; 492 m->is_default = false; 493 compat_props_add(m->compat_props, hw_compat_5_2, hw_compat_5_2_len); 494 compat_props_add(m->compat_props, pc_compat_5_2, pc_compat_5_2_len); 495 } 496 497 DEFINE_I440FX_MACHINE(v5_2, "pc-i440fx-5.2", NULL, 498 pc_i440fx_5_2_machine_options); 499 500 static void pc_i440fx_5_1_machine_options(MachineClass *m) 501 { 502 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 503 504 pc_i440fx_5_2_machine_options(m); 505 m->alias = NULL; 506 m->is_default = false; 507 compat_props_add(m->compat_props, hw_compat_5_1, hw_compat_5_1_len); 508 compat_props_add(m->compat_props, pc_compat_5_1, pc_compat_5_1_len); 509 pcmc->kvmclock_create_always = false; 510 pcmc->pci_root_uid = 1; 511 } 512 513 DEFINE_I440FX_MACHINE(v5_1, "pc-i440fx-5.1", NULL, 514 pc_i440fx_5_1_machine_options); 515 516 static void pc_i440fx_5_0_machine_options(MachineClass *m) 517 { 518 pc_i440fx_5_1_machine_options(m); 519 m->alias = NULL; 520 m->is_default = false; 521 m->numa_mem_supported = true; 522 compat_props_add(m->compat_props, hw_compat_5_0, hw_compat_5_0_len); 523 compat_props_add(m->compat_props, pc_compat_5_0, pc_compat_5_0_len); 524 m->auto_enable_numa_with_memdev = false; 525 } 526 527 DEFINE_I440FX_MACHINE(v5_0, "pc-i440fx-5.0", NULL, 528 pc_i440fx_5_0_machine_options); 529 530 static void pc_i440fx_4_2_machine_options(MachineClass *m) 531 { 532 pc_i440fx_5_0_machine_options(m); 533 m->alias = NULL; 534 m->is_default = false; 535 compat_props_add(m->compat_props, hw_compat_4_2, hw_compat_4_2_len); 536 compat_props_add(m->compat_props, pc_compat_4_2, pc_compat_4_2_len); 537 } 538 539 DEFINE_I440FX_MACHINE(v4_2, "pc-i440fx-4.2", NULL, 540 pc_i440fx_4_2_machine_options); 541 542 static void pc_i440fx_4_1_machine_options(MachineClass *m) 543 { 544 pc_i440fx_4_2_machine_options(m); 545 m->alias = NULL; 546 m->is_default = false; 547 compat_props_add(m->compat_props, hw_compat_4_1, hw_compat_4_1_len); 548 compat_props_add(m->compat_props, pc_compat_4_1, pc_compat_4_1_len); 549 } 550 551 DEFINE_I440FX_MACHINE(v4_1, "pc-i440fx-4.1", NULL, 552 pc_i440fx_4_1_machine_options); 553 554 static void pc_i440fx_4_0_machine_options(MachineClass *m) 555 { 556 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 557 pc_i440fx_4_1_machine_options(m); 558 m->alias = NULL; 559 m->is_default = false; 560 pcmc->default_cpu_version = CPU_VERSION_LEGACY; 561 compat_props_add(m->compat_props, hw_compat_4_0, hw_compat_4_0_len); 562 compat_props_add(m->compat_props, pc_compat_4_0, pc_compat_4_0_len); 563 } 564 565 DEFINE_I440FX_MACHINE(v4_0, "pc-i440fx-4.0", NULL, 566 pc_i440fx_4_0_machine_options); 567 568 static void pc_i440fx_3_1_machine_options(MachineClass *m) 569 { 570 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 571 572 pc_i440fx_4_0_machine_options(m); 573 m->is_default = false; 574 m->smbus_no_migration_support = true; 575 m->alias = NULL; 576 pcmc->pvh_enabled = false; 577 compat_props_add(m->compat_props, hw_compat_3_1, hw_compat_3_1_len); 578 compat_props_add(m->compat_props, pc_compat_3_1, pc_compat_3_1_len); 579 } 580 581 DEFINE_I440FX_MACHINE(v3_1, "pc-i440fx-3.1", NULL, 582 pc_i440fx_3_1_machine_options); 583 584 static void pc_i440fx_3_0_machine_options(MachineClass *m) 585 { 586 pc_i440fx_3_1_machine_options(m); 587 compat_props_add(m->compat_props, hw_compat_3_0, hw_compat_3_0_len); 588 compat_props_add(m->compat_props, pc_compat_3_0, pc_compat_3_0_len); 589 } 590 591 DEFINE_I440FX_MACHINE(v3_0, "pc-i440fx-3.0", NULL, 592 pc_i440fx_3_0_machine_options); 593 594 static void pc_i440fx_2_12_machine_options(MachineClass *m) 595 { 596 pc_i440fx_3_0_machine_options(m); 597 compat_props_add(m->compat_props, hw_compat_2_12, hw_compat_2_12_len); 598 compat_props_add(m->compat_props, pc_compat_2_12, pc_compat_2_12_len); 599 } 600 601 DEFINE_I440FX_MACHINE(v2_12, "pc-i440fx-2.12", NULL, 602 pc_i440fx_2_12_machine_options); 603 604 static void pc_i440fx_2_11_machine_options(MachineClass *m) 605 { 606 pc_i440fx_2_12_machine_options(m); 607 compat_props_add(m->compat_props, hw_compat_2_11, hw_compat_2_11_len); 608 compat_props_add(m->compat_props, pc_compat_2_11, pc_compat_2_11_len); 609 } 610 611 DEFINE_I440FX_MACHINE(v2_11, "pc-i440fx-2.11", NULL, 612 pc_i440fx_2_11_machine_options); 613 614 static void pc_i440fx_2_10_machine_options(MachineClass *m) 615 { 616 pc_i440fx_2_11_machine_options(m); 617 compat_props_add(m->compat_props, hw_compat_2_10, hw_compat_2_10_len); 618 compat_props_add(m->compat_props, pc_compat_2_10, pc_compat_2_10_len); 619 m->auto_enable_numa_with_memhp = false; 620 } 621 622 DEFINE_I440FX_MACHINE(v2_10, "pc-i440fx-2.10", NULL, 623 pc_i440fx_2_10_machine_options); 624 625 static void pc_i440fx_2_9_machine_options(MachineClass *m) 626 { 627 pc_i440fx_2_10_machine_options(m); 628 compat_props_add(m->compat_props, hw_compat_2_9, hw_compat_2_9_len); 629 compat_props_add(m->compat_props, pc_compat_2_9, pc_compat_2_9_len); 630 } 631 632 DEFINE_I440FX_MACHINE(v2_9, "pc-i440fx-2.9", NULL, 633 pc_i440fx_2_9_machine_options); 634 635 static void pc_i440fx_2_8_machine_options(MachineClass *m) 636 { 637 pc_i440fx_2_9_machine_options(m); 638 compat_props_add(m->compat_props, hw_compat_2_8, hw_compat_2_8_len); 639 compat_props_add(m->compat_props, pc_compat_2_8, pc_compat_2_8_len); 640 } 641 642 DEFINE_I440FX_MACHINE(v2_8, "pc-i440fx-2.8", NULL, 643 pc_i440fx_2_8_machine_options); 644 645 static void pc_i440fx_2_7_machine_options(MachineClass *m) 646 { 647 pc_i440fx_2_8_machine_options(m); 648 compat_props_add(m->compat_props, hw_compat_2_7, hw_compat_2_7_len); 649 compat_props_add(m->compat_props, pc_compat_2_7, pc_compat_2_7_len); 650 } 651 652 DEFINE_I440FX_MACHINE(v2_7, "pc-i440fx-2.7", NULL, 653 pc_i440fx_2_7_machine_options); 654 655 static void pc_i440fx_2_6_machine_options(MachineClass *m) 656 { 657 X86MachineClass *x86mc = X86_MACHINE_CLASS(m); 658 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 659 660 pc_i440fx_2_7_machine_options(m); 661 pcmc->legacy_cpu_hotplug = true; 662 x86mc->fwcfg_dma_enabled = false; 663 compat_props_add(m->compat_props, hw_compat_2_6, hw_compat_2_6_len); 664 compat_props_add(m->compat_props, pc_compat_2_6, pc_compat_2_6_len); 665 } 666 667 DEFINE_I440FX_MACHINE(v2_6, "pc-i440fx-2.6", NULL, 668 pc_i440fx_2_6_machine_options); 669 670 static void pc_i440fx_2_5_machine_options(MachineClass *m) 671 { 672 X86MachineClass *x86mc = X86_MACHINE_CLASS(m); 673 674 pc_i440fx_2_6_machine_options(m); 675 x86mc->save_tsc_khz = false; 676 m->legacy_fw_cfg_order = 1; 677 compat_props_add(m->compat_props, hw_compat_2_5, hw_compat_2_5_len); 678 compat_props_add(m->compat_props, pc_compat_2_5, pc_compat_2_5_len); 679 } 680 681 DEFINE_I440FX_MACHINE(v2_5, "pc-i440fx-2.5", NULL, 682 pc_i440fx_2_5_machine_options); 683 684 static void pc_i440fx_2_4_machine_options(MachineClass *m) 685 { 686 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 687 688 pc_i440fx_2_5_machine_options(m); 689 m->hw_version = "2.4.0"; 690 pcmc->broken_reserved_end = true; 691 compat_props_add(m->compat_props, hw_compat_2_4, hw_compat_2_4_len); 692 compat_props_add(m->compat_props, pc_compat_2_4, pc_compat_2_4_len); 693 } 694 695 DEFINE_I440FX_MACHINE(v2_4, "pc-i440fx-2.4", NULL, 696 pc_i440fx_2_4_machine_options) 697 698 static void pc_i440fx_2_3_machine_options(MachineClass *m) 699 { 700 pc_i440fx_2_4_machine_options(m); 701 m->hw_version = "2.3.0"; 702 compat_props_add(m->compat_props, hw_compat_2_3, hw_compat_2_3_len); 703 compat_props_add(m->compat_props, pc_compat_2_3, pc_compat_2_3_len); 704 } 705 706 DEFINE_I440FX_MACHINE(v2_3, "pc-i440fx-2.3", pc_compat_2_3_fn, 707 pc_i440fx_2_3_machine_options); 708 709 static void pc_i440fx_2_2_machine_options(MachineClass *m) 710 { 711 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 712 713 pc_i440fx_2_3_machine_options(m); 714 m->hw_version = "2.2.0"; 715 m->default_machine_opts = "firmware=bios-256k.bin,suppress-vmdesc=on"; 716 compat_props_add(m->compat_props, hw_compat_2_2, hw_compat_2_2_len); 717 compat_props_add(m->compat_props, pc_compat_2_2, pc_compat_2_2_len); 718 pcmc->rsdp_in_ram = false; 719 } 720 721 DEFINE_I440FX_MACHINE(v2_2, "pc-i440fx-2.2", pc_compat_2_2_fn, 722 pc_i440fx_2_2_machine_options); 723 724 static void pc_i440fx_2_1_machine_options(MachineClass *m) 725 { 726 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 727 728 pc_i440fx_2_2_machine_options(m); 729 m->hw_version = "2.1.0"; 730 m->default_display = NULL; 731 compat_props_add(m->compat_props, hw_compat_2_1, hw_compat_2_1_len); 732 compat_props_add(m->compat_props, pc_compat_2_1, pc_compat_2_1_len); 733 pcmc->smbios_uuid_encoded = false; 734 pcmc->enforce_aligned_dimm = false; 735 } 736 737 DEFINE_I440FX_MACHINE(v2_1, "pc-i440fx-2.1", pc_compat_2_1_fn, 738 pc_i440fx_2_1_machine_options); 739 740 static void pc_i440fx_2_0_machine_options(MachineClass *m) 741 { 742 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 743 744 pc_i440fx_2_1_machine_options(m); 745 m->hw_version = "2.0.0"; 746 compat_props_add(m->compat_props, pc_compat_2_0, pc_compat_2_0_len); 747 pcmc->smbios_legacy_mode = true; 748 pcmc->has_reserved_memory = false; 749 /* This value depends on the actual DSDT and SSDT compiled into 750 * the source QEMU; unfortunately it depends on the binary and 751 * not on the machine type, so we cannot make pc-i440fx-1.7 work on 752 * both QEMU 1.7 and QEMU 2.0. 753 * 754 * Large variations cause migration to fail for more than one 755 * consecutive value of the "-smp" maxcpus option. 756 * 757 * For small variations of the kind caused by different iasl versions, 758 * the 4k rounding usually leaves slack. However, there could be still 759 * one or two values that break. For QEMU 1.7 and QEMU 2.0 the 760 * slack is only ~10 bytes before one "-smp maxcpus" value breaks! 761 * 762 * 6652 is valid for QEMU 2.0, the right value for pc-i440fx-1.7 on 763 * QEMU 1.7 it is 6414. For RHEL/CentOS 7.0 it is 6418. 764 */ 765 pcmc->legacy_acpi_table_size = 6652; 766 pcmc->acpi_data_size = 0x10000; 767 } 768 769 DEFINE_I440FX_MACHINE(v2_0, "pc-i440fx-2.0", pc_compat_2_0_fn, 770 pc_i440fx_2_0_machine_options); 771 772 static void pc_i440fx_1_7_machine_options(MachineClass *m) 773 { 774 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 775 776 pc_i440fx_2_0_machine_options(m); 777 m->hw_version = "1.7.0"; 778 m->default_machine_opts = NULL; 779 m->option_rom_has_mr = true; 780 m->deprecation_reason = "old and unattended - use a newer version instead"; 781 compat_props_add(m->compat_props, pc_compat_1_7, pc_compat_1_7_len); 782 pcmc->smbios_defaults = false; 783 pcmc->gigabyte_align = false; 784 pcmc->legacy_acpi_table_size = 6414; 785 } 786 787 DEFINE_I440FX_MACHINE(v1_7, "pc-i440fx-1.7", pc_compat_1_7_fn, 788 pc_i440fx_1_7_machine_options); 789 790 static void pc_i440fx_1_6_machine_options(MachineClass *m) 791 { 792 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 793 794 pc_i440fx_1_7_machine_options(m); 795 m->hw_version = "1.6.0"; 796 m->rom_file_has_mr = false; 797 compat_props_add(m->compat_props, pc_compat_1_6, pc_compat_1_6_len); 798 pcmc->has_acpi_build = false; 799 } 800 801 DEFINE_I440FX_MACHINE(v1_6, "pc-i440fx-1.6", pc_compat_1_6_fn, 802 pc_i440fx_1_6_machine_options); 803 804 static void pc_i440fx_1_5_machine_options(MachineClass *m) 805 { 806 pc_i440fx_1_6_machine_options(m); 807 m->hw_version = "1.5.0"; 808 compat_props_add(m->compat_props, pc_compat_1_5, pc_compat_1_5_len); 809 } 810 811 DEFINE_I440FX_MACHINE(v1_5, "pc-i440fx-1.5", pc_compat_1_5_fn, 812 pc_i440fx_1_5_machine_options); 813 814 static void pc_i440fx_1_4_machine_options(MachineClass *m) 815 { 816 pc_i440fx_1_5_machine_options(m); 817 m->hw_version = "1.4.0"; 818 compat_props_add(m->compat_props, pc_compat_1_4, pc_compat_1_4_len); 819 } 820 821 DEFINE_I440FX_MACHINE(v1_4, "pc-i440fx-1.4", pc_compat_1_4_fn, 822 pc_i440fx_1_4_machine_options); 823 824 #ifdef CONFIG_ISAPC 825 static void isapc_machine_options(MachineClass *m) 826 { 827 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 828 m->desc = "ISA-only PC"; 829 m->max_cpus = 1; 830 m->option_rom_has_mr = true; 831 m->rom_file_has_mr = false; 832 pcmc->pci_enabled = false; 833 pcmc->has_acpi_build = false; 834 pcmc->smbios_defaults = false; 835 pcmc->gigabyte_align = false; 836 pcmc->smbios_legacy_mode = true; 837 pcmc->has_reserved_memory = false; 838 pcmc->default_nic_model = "ne2k_isa"; 839 m->default_cpu_type = X86_CPU_TYPE_NAME("486"); 840 } 841 842 DEFINE_PC_MACHINE(isapc, "isapc", pc_init_isa, 843 isapc_machine_options); 844 #endif 845 846 #ifdef CONFIG_XEN 847 static void xenfv_4_2_machine_options(MachineClass *m) 848 { 849 pc_i440fx_4_2_machine_options(m); 850 m->desc = "Xen Fully-virtualized PC"; 851 m->max_cpus = HVM_MAX_VCPUS; 852 m->default_machine_opts = "accel=xen,suppress-vmdesc=on"; 853 } 854 855 DEFINE_PC_MACHINE(xenfv_4_2, "xenfv-4.2", pc_xen_hvm_init, 856 xenfv_4_2_machine_options); 857 858 static void xenfv_3_1_machine_options(MachineClass *m) 859 { 860 pc_i440fx_3_1_machine_options(m); 861 m->desc = "Xen Fully-virtualized PC"; 862 m->alias = "xenfv"; 863 m->max_cpus = HVM_MAX_VCPUS; 864 m->default_machine_opts = "accel=xen,suppress-vmdesc=on"; 865 } 866 867 DEFINE_PC_MACHINE(xenfv, "xenfv-3.1", pc_xen_hvm_init, 868 xenfv_3_1_machine_options); 869 #endif 870