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 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 442 pc_i440fx_7_1_machine_options(m); 443 m->alias = NULL; 444 m->is_default = false; 445 pcmc->legacy_no_rng_seed = true; 446 compat_props_add(m->compat_props, hw_compat_7_0, hw_compat_7_0_len); 447 compat_props_add(m->compat_props, pc_compat_7_0, pc_compat_7_0_len); 448 } 449 450 DEFINE_I440FX_MACHINE(v7_0, "pc-i440fx-7.0", NULL, 451 pc_i440fx_7_0_machine_options); 452 453 static void pc_i440fx_6_2_machine_options(MachineClass *m) 454 { 455 pc_i440fx_7_0_machine_options(m); 456 m->alias = NULL; 457 m->is_default = false; 458 compat_props_add(m->compat_props, hw_compat_6_2, hw_compat_6_2_len); 459 compat_props_add(m->compat_props, pc_compat_6_2, pc_compat_6_2_len); 460 } 461 462 DEFINE_I440FX_MACHINE(v6_2, "pc-i440fx-6.2", NULL, 463 pc_i440fx_6_2_machine_options); 464 465 static void pc_i440fx_6_1_machine_options(MachineClass *m) 466 { 467 pc_i440fx_6_2_machine_options(m); 468 m->alias = NULL; 469 m->is_default = false; 470 compat_props_add(m->compat_props, hw_compat_6_1, hw_compat_6_1_len); 471 compat_props_add(m->compat_props, pc_compat_6_1, pc_compat_6_1_len); 472 m->smp_props.prefer_sockets = true; 473 } 474 475 DEFINE_I440FX_MACHINE(v6_1, "pc-i440fx-6.1", NULL, 476 pc_i440fx_6_1_machine_options); 477 478 static void pc_i440fx_6_0_machine_options(MachineClass *m) 479 { 480 pc_i440fx_6_1_machine_options(m); 481 m->alias = NULL; 482 m->is_default = false; 483 compat_props_add(m->compat_props, hw_compat_6_0, hw_compat_6_0_len); 484 compat_props_add(m->compat_props, pc_compat_6_0, pc_compat_6_0_len); 485 } 486 487 DEFINE_I440FX_MACHINE(v6_0, "pc-i440fx-6.0", NULL, 488 pc_i440fx_6_0_machine_options); 489 490 static void pc_i440fx_5_2_machine_options(MachineClass *m) 491 { 492 pc_i440fx_6_0_machine_options(m); 493 m->alias = NULL; 494 m->is_default = false; 495 compat_props_add(m->compat_props, hw_compat_5_2, hw_compat_5_2_len); 496 compat_props_add(m->compat_props, pc_compat_5_2, pc_compat_5_2_len); 497 } 498 499 DEFINE_I440FX_MACHINE(v5_2, "pc-i440fx-5.2", NULL, 500 pc_i440fx_5_2_machine_options); 501 502 static void pc_i440fx_5_1_machine_options(MachineClass *m) 503 { 504 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 505 506 pc_i440fx_5_2_machine_options(m); 507 m->alias = NULL; 508 m->is_default = false; 509 compat_props_add(m->compat_props, hw_compat_5_1, hw_compat_5_1_len); 510 compat_props_add(m->compat_props, pc_compat_5_1, pc_compat_5_1_len); 511 pcmc->kvmclock_create_always = false; 512 pcmc->pci_root_uid = 1; 513 } 514 515 DEFINE_I440FX_MACHINE(v5_1, "pc-i440fx-5.1", NULL, 516 pc_i440fx_5_1_machine_options); 517 518 static void pc_i440fx_5_0_machine_options(MachineClass *m) 519 { 520 pc_i440fx_5_1_machine_options(m); 521 m->alias = NULL; 522 m->is_default = false; 523 m->numa_mem_supported = true; 524 compat_props_add(m->compat_props, hw_compat_5_0, hw_compat_5_0_len); 525 compat_props_add(m->compat_props, pc_compat_5_0, pc_compat_5_0_len); 526 m->auto_enable_numa_with_memdev = false; 527 } 528 529 DEFINE_I440FX_MACHINE(v5_0, "pc-i440fx-5.0", NULL, 530 pc_i440fx_5_0_machine_options); 531 532 static void pc_i440fx_4_2_machine_options(MachineClass *m) 533 { 534 pc_i440fx_5_0_machine_options(m); 535 m->alias = NULL; 536 m->is_default = false; 537 compat_props_add(m->compat_props, hw_compat_4_2, hw_compat_4_2_len); 538 compat_props_add(m->compat_props, pc_compat_4_2, pc_compat_4_2_len); 539 } 540 541 DEFINE_I440FX_MACHINE(v4_2, "pc-i440fx-4.2", NULL, 542 pc_i440fx_4_2_machine_options); 543 544 static void pc_i440fx_4_1_machine_options(MachineClass *m) 545 { 546 pc_i440fx_4_2_machine_options(m); 547 m->alias = NULL; 548 m->is_default = false; 549 compat_props_add(m->compat_props, hw_compat_4_1, hw_compat_4_1_len); 550 compat_props_add(m->compat_props, pc_compat_4_1, pc_compat_4_1_len); 551 } 552 553 DEFINE_I440FX_MACHINE(v4_1, "pc-i440fx-4.1", NULL, 554 pc_i440fx_4_1_machine_options); 555 556 static void pc_i440fx_4_0_machine_options(MachineClass *m) 557 { 558 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 559 pc_i440fx_4_1_machine_options(m); 560 m->alias = NULL; 561 m->is_default = false; 562 pcmc->default_cpu_version = CPU_VERSION_LEGACY; 563 compat_props_add(m->compat_props, hw_compat_4_0, hw_compat_4_0_len); 564 compat_props_add(m->compat_props, pc_compat_4_0, pc_compat_4_0_len); 565 } 566 567 DEFINE_I440FX_MACHINE(v4_0, "pc-i440fx-4.0", NULL, 568 pc_i440fx_4_0_machine_options); 569 570 static void pc_i440fx_3_1_machine_options(MachineClass *m) 571 { 572 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 573 574 pc_i440fx_4_0_machine_options(m); 575 m->is_default = false; 576 m->smbus_no_migration_support = true; 577 m->alias = NULL; 578 pcmc->pvh_enabled = false; 579 compat_props_add(m->compat_props, hw_compat_3_1, hw_compat_3_1_len); 580 compat_props_add(m->compat_props, pc_compat_3_1, pc_compat_3_1_len); 581 } 582 583 DEFINE_I440FX_MACHINE(v3_1, "pc-i440fx-3.1", NULL, 584 pc_i440fx_3_1_machine_options); 585 586 static void pc_i440fx_3_0_machine_options(MachineClass *m) 587 { 588 pc_i440fx_3_1_machine_options(m); 589 compat_props_add(m->compat_props, hw_compat_3_0, hw_compat_3_0_len); 590 compat_props_add(m->compat_props, pc_compat_3_0, pc_compat_3_0_len); 591 } 592 593 DEFINE_I440FX_MACHINE(v3_0, "pc-i440fx-3.0", NULL, 594 pc_i440fx_3_0_machine_options); 595 596 static void pc_i440fx_2_12_machine_options(MachineClass *m) 597 { 598 pc_i440fx_3_0_machine_options(m); 599 compat_props_add(m->compat_props, hw_compat_2_12, hw_compat_2_12_len); 600 compat_props_add(m->compat_props, pc_compat_2_12, pc_compat_2_12_len); 601 } 602 603 DEFINE_I440FX_MACHINE(v2_12, "pc-i440fx-2.12", NULL, 604 pc_i440fx_2_12_machine_options); 605 606 static void pc_i440fx_2_11_machine_options(MachineClass *m) 607 { 608 pc_i440fx_2_12_machine_options(m); 609 compat_props_add(m->compat_props, hw_compat_2_11, hw_compat_2_11_len); 610 compat_props_add(m->compat_props, pc_compat_2_11, pc_compat_2_11_len); 611 } 612 613 DEFINE_I440FX_MACHINE(v2_11, "pc-i440fx-2.11", NULL, 614 pc_i440fx_2_11_machine_options); 615 616 static void pc_i440fx_2_10_machine_options(MachineClass *m) 617 { 618 pc_i440fx_2_11_machine_options(m); 619 compat_props_add(m->compat_props, hw_compat_2_10, hw_compat_2_10_len); 620 compat_props_add(m->compat_props, pc_compat_2_10, pc_compat_2_10_len); 621 m->auto_enable_numa_with_memhp = false; 622 } 623 624 DEFINE_I440FX_MACHINE(v2_10, "pc-i440fx-2.10", NULL, 625 pc_i440fx_2_10_machine_options); 626 627 static void pc_i440fx_2_9_machine_options(MachineClass *m) 628 { 629 pc_i440fx_2_10_machine_options(m); 630 compat_props_add(m->compat_props, hw_compat_2_9, hw_compat_2_9_len); 631 compat_props_add(m->compat_props, pc_compat_2_9, pc_compat_2_9_len); 632 } 633 634 DEFINE_I440FX_MACHINE(v2_9, "pc-i440fx-2.9", NULL, 635 pc_i440fx_2_9_machine_options); 636 637 static void pc_i440fx_2_8_machine_options(MachineClass *m) 638 { 639 pc_i440fx_2_9_machine_options(m); 640 compat_props_add(m->compat_props, hw_compat_2_8, hw_compat_2_8_len); 641 compat_props_add(m->compat_props, pc_compat_2_8, pc_compat_2_8_len); 642 } 643 644 DEFINE_I440FX_MACHINE(v2_8, "pc-i440fx-2.8", NULL, 645 pc_i440fx_2_8_machine_options); 646 647 static void pc_i440fx_2_7_machine_options(MachineClass *m) 648 { 649 pc_i440fx_2_8_machine_options(m); 650 compat_props_add(m->compat_props, hw_compat_2_7, hw_compat_2_7_len); 651 compat_props_add(m->compat_props, pc_compat_2_7, pc_compat_2_7_len); 652 } 653 654 DEFINE_I440FX_MACHINE(v2_7, "pc-i440fx-2.7", NULL, 655 pc_i440fx_2_7_machine_options); 656 657 static void pc_i440fx_2_6_machine_options(MachineClass *m) 658 { 659 X86MachineClass *x86mc = X86_MACHINE_CLASS(m); 660 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 661 662 pc_i440fx_2_7_machine_options(m); 663 pcmc->legacy_cpu_hotplug = true; 664 x86mc->fwcfg_dma_enabled = false; 665 compat_props_add(m->compat_props, hw_compat_2_6, hw_compat_2_6_len); 666 compat_props_add(m->compat_props, pc_compat_2_6, pc_compat_2_6_len); 667 } 668 669 DEFINE_I440FX_MACHINE(v2_6, "pc-i440fx-2.6", NULL, 670 pc_i440fx_2_6_machine_options); 671 672 static void pc_i440fx_2_5_machine_options(MachineClass *m) 673 { 674 X86MachineClass *x86mc = X86_MACHINE_CLASS(m); 675 676 pc_i440fx_2_6_machine_options(m); 677 x86mc->save_tsc_khz = false; 678 m->legacy_fw_cfg_order = 1; 679 compat_props_add(m->compat_props, hw_compat_2_5, hw_compat_2_5_len); 680 compat_props_add(m->compat_props, pc_compat_2_5, pc_compat_2_5_len); 681 } 682 683 DEFINE_I440FX_MACHINE(v2_5, "pc-i440fx-2.5", NULL, 684 pc_i440fx_2_5_machine_options); 685 686 static void pc_i440fx_2_4_machine_options(MachineClass *m) 687 { 688 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 689 690 pc_i440fx_2_5_machine_options(m); 691 m->hw_version = "2.4.0"; 692 pcmc->broken_reserved_end = true; 693 compat_props_add(m->compat_props, hw_compat_2_4, hw_compat_2_4_len); 694 compat_props_add(m->compat_props, pc_compat_2_4, pc_compat_2_4_len); 695 } 696 697 DEFINE_I440FX_MACHINE(v2_4, "pc-i440fx-2.4", NULL, 698 pc_i440fx_2_4_machine_options) 699 700 static void pc_i440fx_2_3_machine_options(MachineClass *m) 701 { 702 pc_i440fx_2_4_machine_options(m); 703 m->hw_version = "2.3.0"; 704 compat_props_add(m->compat_props, hw_compat_2_3, hw_compat_2_3_len); 705 compat_props_add(m->compat_props, pc_compat_2_3, pc_compat_2_3_len); 706 } 707 708 DEFINE_I440FX_MACHINE(v2_3, "pc-i440fx-2.3", pc_compat_2_3_fn, 709 pc_i440fx_2_3_machine_options); 710 711 static void pc_i440fx_2_2_machine_options(MachineClass *m) 712 { 713 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 714 715 pc_i440fx_2_3_machine_options(m); 716 m->hw_version = "2.2.0"; 717 m->default_machine_opts = "firmware=bios-256k.bin,suppress-vmdesc=on"; 718 compat_props_add(m->compat_props, hw_compat_2_2, hw_compat_2_2_len); 719 compat_props_add(m->compat_props, pc_compat_2_2, pc_compat_2_2_len); 720 pcmc->rsdp_in_ram = false; 721 } 722 723 DEFINE_I440FX_MACHINE(v2_2, "pc-i440fx-2.2", pc_compat_2_2_fn, 724 pc_i440fx_2_2_machine_options); 725 726 static void pc_i440fx_2_1_machine_options(MachineClass *m) 727 { 728 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 729 730 pc_i440fx_2_2_machine_options(m); 731 m->hw_version = "2.1.0"; 732 m->default_display = NULL; 733 compat_props_add(m->compat_props, hw_compat_2_1, hw_compat_2_1_len); 734 compat_props_add(m->compat_props, pc_compat_2_1, pc_compat_2_1_len); 735 pcmc->smbios_uuid_encoded = false; 736 pcmc->enforce_aligned_dimm = false; 737 } 738 739 DEFINE_I440FX_MACHINE(v2_1, "pc-i440fx-2.1", pc_compat_2_1_fn, 740 pc_i440fx_2_1_machine_options); 741 742 static void pc_i440fx_2_0_machine_options(MachineClass *m) 743 { 744 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 745 746 pc_i440fx_2_1_machine_options(m); 747 m->hw_version = "2.0.0"; 748 compat_props_add(m->compat_props, pc_compat_2_0, pc_compat_2_0_len); 749 pcmc->smbios_legacy_mode = true; 750 pcmc->has_reserved_memory = false; 751 /* This value depends on the actual DSDT and SSDT compiled into 752 * the source QEMU; unfortunately it depends on the binary and 753 * not on the machine type, so we cannot make pc-i440fx-1.7 work on 754 * both QEMU 1.7 and QEMU 2.0. 755 * 756 * Large variations cause migration to fail for more than one 757 * consecutive value of the "-smp" maxcpus option. 758 * 759 * For small variations of the kind caused by different iasl versions, 760 * the 4k rounding usually leaves slack. However, there could be still 761 * one or two values that break. For QEMU 1.7 and QEMU 2.0 the 762 * slack is only ~10 bytes before one "-smp maxcpus" value breaks! 763 * 764 * 6652 is valid for QEMU 2.0, the right value for pc-i440fx-1.7 on 765 * QEMU 1.7 it is 6414. For RHEL/CentOS 7.0 it is 6418. 766 */ 767 pcmc->legacy_acpi_table_size = 6652; 768 pcmc->acpi_data_size = 0x10000; 769 } 770 771 DEFINE_I440FX_MACHINE(v2_0, "pc-i440fx-2.0", pc_compat_2_0_fn, 772 pc_i440fx_2_0_machine_options); 773 774 static void pc_i440fx_1_7_machine_options(MachineClass *m) 775 { 776 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 777 778 pc_i440fx_2_0_machine_options(m); 779 m->hw_version = "1.7.0"; 780 m->default_machine_opts = NULL; 781 m->option_rom_has_mr = true; 782 m->deprecation_reason = "old and unattended - use a newer version instead"; 783 compat_props_add(m->compat_props, pc_compat_1_7, pc_compat_1_7_len); 784 pcmc->smbios_defaults = false; 785 pcmc->gigabyte_align = false; 786 pcmc->legacy_acpi_table_size = 6414; 787 } 788 789 DEFINE_I440FX_MACHINE(v1_7, "pc-i440fx-1.7", pc_compat_1_7_fn, 790 pc_i440fx_1_7_machine_options); 791 792 static void pc_i440fx_1_6_machine_options(MachineClass *m) 793 { 794 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 795 796 pc_i440fx_1_7_machine_options(m); 797 m->hw_version = "1.6.0"; 798 m->rom_file_has_mr = false; 799 compat_props_add(m->compat_props, pc_compat_1_6, pc_compat_1_6_len); 800 pcmc->has_acpi_build = false; 801 } 802 803 DEFINE_I440FX_MACHINE(v1_6, "pc-i440fx-1.6", pc_compat_1_6_fn, 804 pc_i440fx_1_6_machine_options); 805 806 static void pc_i440fx_1_5_machine_options(MachineClass *m) 807 { 808 pc_i440fx_1_6_machine_options(m); 809 m->hw_version = "1.5.0"; 810 compat_props_add(m->compat_props, pc_compat_1_5, pc_compat_1_5_len); 811 } 812 813 DEFINE_I440FX_MACHINE(v1_5, "pc-i440fx-1.5", pc_compat_1_5_fn, 814 pc_i440fx_1_5_machine_options); 815 816 static void pc_i440fx_1_4_machine_options(MachineClass *m) 817 { 818 pc_i440fx_1_5_machine_options(m); 819 m->hw_version = "1.4.0"; 820 compat_props_add(m->compat_props, pc_compat_1_4, pc_compat_1_4_len); 821 } 822 823 DEFINE_I440FX_MACHINE(v1_4, "pc-i440fx-1.4", pc_compat_1_4_fn, 824 pc_i440fx_1_4_machine_options); 825 826 #ifdef CONFIG_ISAPC 827 static void isapc_machine_options(MachineClass *m) 828 { 829 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 830 m->desc = "ISA-only PC"; 831 m->max_cpus = 1; 832 m->option_rom_has_mr = true; 833 m->rom_file_has_mr = false; 834 pcmc->pci_enabled = false; 835 pcmc->has_acpi_build = false; 836 pcmc->smbios_defaults = false; 837 pcmc->gigabyte_align = false; 838 pcmc->smbios_legacy_mode = true; 839 pcmc->has_reserved_memory = false; 840 pcmc->default_nic_model = "ne2k_isa"; 841 m->default_cpu_type = X86_CPU_TYPE_NAME("486"); 842 } 843 844 DEFINE_PC_MACHINE(isapc, "isapc", pc_init_isa, 845 isapc_machine_options); 846 #endif 847 848 #ifdef CONFIG_XEN 849 static void xenfv_4_2_machine_options(MachineClass *m) 850 { 851 pc_i440fx_4_2_machine_options(m); 852 m->desc = "Xen Fully-virtualized PC"; 853 m->max_cpus = HVM_MAX_VCPUS; 854 m->default_machine_opts = "accel=xen,suppress-vmdesc=on"; 855 } 856 857 DEFINE_PC_MACHINE(xenfv_4_2, "xenfv-4.2", pc_xen_hvm_init, 858 xenfv_4_2_machine_options); 859 860 static void xenfv_3_1_machine_options(MachineClass *m) 861 { 862 pc_i440fx_3_1_machine_options(m); 863 m->desc = "Xen Fully-virtualized PC"; 864 m->alias = "xenfv"; 865 m->max_cpus = HVM_MAX_VCPUS; 866 m->default_machine_opts = "accel=xen,suppress-vmdesc=on"; 867 } 868 869 DEFINE_PC_MACHINE(xenfv, "xenfv-3.1", pc_xen_hvm_init, 870 xenfv_3_1_machine_options); 871 #endif 872