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