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 "qapi/error.h" 51 #include "qemu/error-report.h" 52 #include "sysemu/xen.h" 53 #ifdef CONFIG_XEN 54 #include <xen/hvm/hvm_info_table.h> 55 #include "hw/xen/xen_pt.h" 56 #endif 57 #include "migration/global_state.h" 58 #include "migration/misc.h" 59 #include "sysemu/numa.h" 60 #include "hw/hyperv/vmbus-bridge.h" 61 #include "hw/mem/nvdimm.h" 62 #include "hw/i386/acpi-build.h" 63 #include "kvm/kvm-cpu.h" 64 65 #define MAX_IDE_BUS 2 66 67 #ifdef CONFIG_IDE_ISA 68 static const int ide_iobase[MAX_IDE_BUS] = { 0x1f0, 0x170 }; 69 static const int ide_iobase2[MAX_IDE_BUS] = { 0x3f6, 0x376 }; 70 static const int ide_irq[MAX_IDE_BUS] = { 14, 15 }; 71 #endif 72 73 /* PC hardware initialisation */ 74 static void pc_init1(MachineState *machine, 75 const char *host_type, const char *pci_type) 76 { 77 PCMachineState *pcms = PC_MACHINE(machine); 78 PCMachineClass *pcmc = PC_MACHINE_GET_CLASS(pcms); 79 X86MachineState *x86ms = X86_MACHINE(machine); 80 MemoryRegion *system_memory = get_system_memory(); 81 MemoryRegion *system_io = get_system_io(); 82 PCIBus *pci_bus; 83 ISABus *isa_bus; 84 PCII440FXState *i440fx_state; 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 x86_cpus_init(x86ms, pcmc->default_cpu_version); 157 158 if (pcmc->kvmclock_enabled) { 159 kvmclock_create(pcmc->kvmclock_create_always); 160 } 161 162 if (pcmc->pci_enabled) { 163 pci_memory = g_new(MemoryRegion, 1); 164 memory_region_init(pci_memory, NULL, "pci", UINT64_MAX); 165 rom_memory = pci_memory; 166 } else { 167 pci_memory = NULL; 168 rom_memory = system_memory; 169 } 170 171 pc_guest_info_init(pcms); 172 173 if (pcmc->smbios_defaults) { 174 MachineClass *mc = MACHINE_GET_CLASS(machine); 175 /* These values are guest ABI, do not change */ 176 smbios_set_defaults("QEMU", "Standard PC (i440FX + PIIX, 1996)", 177 mc->name, pcmc->smbios_legacy_mode, 178 pcmc->smbios_uuid_encoded, 179 SMBIOS_ENTRY_POINT_21); 180 } 181 182 /* allocate ram and load rom/bios */ 183 if (!xen_enabled()) { 184 pc_memory_init(pcms, system_memory, 185 rom_memory, &ram_memory); 186 } else { 187 pc_system_flash_cleanup_unused(pcms); 188 if (machine->kernel_filename != NULL) { 189 /* For xen HVM direct kernel boot, load linux here */ 190 xen_load_linux(pcms); 191 } 192 } 193 194 gsi_state = pc_gsi_create(&x86ms->gsi, pcmc->pci_enabled); 195 196 if (pcmc->pci_enabled) { 197 PIIX3State *piix3; 198 199 pci_bus = i440fx_init(host_type, 200 pci_type, 201 &i440fx_state, 202 system_memory, system_io, machine->ram_size, 203 x86ms->below_4g_mem_size, 204 x86ms->above_4g_mem_size, 205 pci_memory, ram_memory); 206 pcms->bus = pci_bus; 207 208 piix3 = piix3_create(pci_bus, &isa_bus); 209 piix3->pic = x86ms->gsi; 210 piix3_devfn = piix3->dev.devfn; 211 } else { 212 pci_bus = NULL; 213 i440fx_state = NULL; 214 isa_bus = isa_bus_new(NULL, get_system_memory(), system_io, 215 &error_abort); 216 pcms->hpet_enabled = false; 217 } 218 isa_bus_irqs(isa_bus, x86ms->gsi); 219 220 pc_i8259_create(isa_bus, gsi_state->i8259_irq); 221 222 if (pcmc->pci_enabled) { 223 ioapic_init_gsi(gsi_state, "i440fx"); 224 } 225 226 if (tcg_enabled()) { 227 x86_register_ferr_irq(x86ms->gsi[13]); 228 } 229 230 pc_vga_init(isa_bus, pcmc->pci_enabled ? pci_bus : NULL); 231 232 assert(pcms->vmport != ON_OFF_AUTO__MAX); 233 if (pcms->vmport == ON_OFF_AUTO_AUTO) { 234 pcms->vmport = xen_enabled() ? ON_OFF_AUTO_OFF : ON_OFF_AUTO_ON; 235 } 236 237 /* init basic PC hardware */ 238 pc_basic_device_init(pcms, isa_bus, x86ms->gsi, &rtc_state, true, 239 0x4); 240 241 pc_nic_init(pcmc, isa_bus, pci_bus); 242 243 if (pcmc->pci_enabled) { 244 PCIDevice *dev; 245 246 dev = pci_create_simple(pci_bus, piix3_devfn + 1, 247 xen_enabled() ? "piix3-ide-xen" : "piix3-ide"); 248 pci_ide_create_devs(dev); 249 idebus[0] = qdev_get_child_bus(&dev->qdev, "ide.0"); 250 idebus[1] = qdev_get_child_bus(&dev->qdev, "ide.1"); 251 pc_cmos_init(pcms, idebus[0], idebus[1], rtc_state); 252 } 253 #ifdef CONFIG_IDE_ISA 254 else { 255 DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS]; 256 int i; 257 258 ide_drive_get(hd, ARRAY_SIZE(hd)); 259 for (i = 0; i < MAX_IDE_BUS; i++) { 260 ISADevice *dev; 261 char busname[] = "ide.0"; 262 dev = isa_ide_init(isa_bus, ide_iobase[i], ide_iobase2[i], 263 ide_irq[i], 264 hd[MAX_IDE_DEVS * i], hd[MAX_IDE_DEVS * i + 1]); 265 /* 266 * The ide bus name is ide.0 for the first bus and ide.1 for the 267 * second one. 268 */ 269 busname[4] = '0' + i; 270 idebus[i] = qdev_get_child_bus(DEVICE(dev), busname); 271 } 272 pc_cmos_init(pcms, idebus[0], idebus[1], rtc_state); 273 } 274 #endif 275 276 if (pcmc->pci_enabled && machine_usb(machine)) { 277 pci_create_simple(pci_bus, piix3_devfn + 2, "piix3-usb-uhci"); 278 } 279 280 if (pcmc->pci_enabled && x86_machine_is_acpi_enabled(X86_MACHINE(pcms))) { 281 DeviceState *piix4_pm; 282 283 smi_irq = qemu_allocate_irq(pc_acpi_smi_interrupt, first_cpu, 0); 284 /* TODO: Populate SPD eeprom data. */ 285 pcms->smbus = piix4_pm_init(pci_bus, piix3_devfn + 3, 0xb100, 286 x86ms->gsi[9], smi_irq, 287 x86_machine_is_smm_enabled(x86ms), 288 &piix4_pm); 289 smbus_eeprom_init(pcms->smbus, 8, NULL, 0); 290 291 object_property_add_link(OBJECT(machine), PC_MACHINE_ACPI_DEVICE_PROP, 292 TYPE_HOTPLUG_HANDLER, 293 (Object **)&x86ms->acpi_dev, 294 object_property_allow_set_link, 295 OBJ_PROP_LINK_STRONG); 296 object_property_set_link(OBJECT(machine), PC_MACHINE_ACPI_DEVICE_PROP, 297 OBJECT(piix4_pm), &error_abort); 298 } 299 300 if (machine->nvdimms_state->is_enabled) { 301 nvdimm_init_acpi_state(machine->nvdimms_state, system_io, 302 x86_nvdimm_acpi_dsmio, 303 x86ms->fw_cfg, OBJECT(pcms)); 304 } 305 } 306 307 /* Looking for a pc_compat_2_4() function? It doesn't exist. 308 * pc_compat_*() functions that run on machine-init time and 309 * change global QEMU state are deprecated. Please don't create 310 * one, and implement any pc-*-2.4 (and newer) compat code in 311 * hw_compat_*, pc_compat_*, or * pc_*_machine_options(). 312 */ 313 314 static void pc_compat_2_3_fn(MachineState *machine) 315 { 316 X86MachineState *x86ms = X86_MACHINE(machine); 317 if (kvm_enabled()) { 318 x86ms->smm = ON_OFF_AUTO_OFF; 319 } 320 } 321 322 static void pc_compat_2_2_fn(MachineState *machine) 323 { 324 pc_compat_2_3_fn(machine); 325 } 326 327 static void pc_compat_2_1_fn(MachineState *machine) 328 { 329 pc_compat_2_2_fn(machine); 330 x86_cpu_change_kvm_default("svm", NULL); 331 } 332 333 static void pc_compat_2_0_fn(MachineState *machine) 334 { 335 pc_compat_2_1_fn(machine); 336 } 337 338 static void pc_compat_1_7_fn(MachineState *machine) 339 { 340 pc_compat_2_0_fn(machine); 341 x86_cpu_change_kvm_default("x2apic", NULL); 342 } 343 344 static void pc_compat_1_6_fn(MachineState *machine) 345 { 346 pc_compat_1_7_fn(machine); 347 } 348 349 static void pc_compat_1_5_fn(MachineState *machine) 350 { 351 pc_compat_1_6_fn(machine); 352 } 353 354 static void pc_compat_1_4_fn(MachineState *machine) 355 { 356 pc_compat_1_5_fn(machine); 357 } 358 359 static void pc_init_isa(MachineState *machine) 360 { 361 pc_init1(machine, TYPE_I440FX_PCI_HOST_BRIDGE, TYPE_I440FX_PCI_DEVICE); 362 } 363 364 #ifdef CONFIG_XEN 365 static void pc_xen_hvm_init_pci(MachineState *machine) 366 { 367 const char *pci_type = xen_igd_gfx_pt_enabled() ? 368 TYPE_IGD_PASSTHROUGH_I440FX_PCI_DEVICE : TYPE_I440FX_PCI_DEVICE; 369 370 pc_init1(machine, 371 TYPE_I440FX_PCI_HOST_BRIDGE, 372 pci_type); 373 } 374 375 static void pc_xen_hvm_init(MachineState *machine) 376 { 377 PCMachineState *pcms = PC_MACHINE(machine); 378 379 if (!xen_enabled()) { 380 error_report("xenfv machine requires the xen accelerator"); 381 exit(1); 382 } 383 384 pc_xen_hvm_init_pci(machine); 385 pci_create_simple(pcms->bus, -1, "xen-platform"); 386 } 387 #endif 388 389 #define DEFINE_I440FX_MACHINE(suffix, name, compatfn, optionfn) \ 390 static void pc_init_##suffix(MachineState *machine) \ 391 { \ 392 void (*compat)(MachineState *m) = (compatfn); \ 393 if (compat) { \ 394 compat(machine); \ 395 } \ 396 pc_init1(machine, TYPE_I440FX_PCI_HOST_BRIDGE, \ 397 TYPE_I440FX_PCI_DEVICE); \ 398 } \ 399 DEFINE_PC_MACHINE(suffix, name, pc_init_##suffix, optionfn) 400 401 static void pc_i440fx_machine_options(MachineClass *m) 402 { 403 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 404 pcmc->default_nic_model = "e1000"; 405 pcmc->pci_root_uid = 0; 406 407 m->family = "pc_piix"; 408 m->desc = "Standard PC (i440FX + PIIX, 1996)"; 409 m->default_machine_opts = "firmware=bios-256k.bin"; 410 m->default_display = "std"; 411 machine_class_allow_dynamic_sysbus_dev(m, TYPE_RAMFB_DEVICE); 412 machine_class_allow_dynamic_sysbus_dev(m, TYPE_VMBUS_BRIDGE); 413 } 414 415 static void pc_i440fx_6_1_machine_options(MachineClass *m) 416 { 417 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 418 pc_i440fx_machine_options(m); 419 m->alias = "pc"; 420 m->is_default = true; 421 pcmc->default_cpu_version = 1; 422 } 423 424 DEFINE_I440FX_MACHINE(v6_1, "pc-i440fx-6.1", NULL, 425 pc_i440fx_6_1_machine_options); 426 427 static void pc_i440fx_6_0_machine_options(MachineClass *m) 428 { 429 pc_i440fx_6_1_machine_options(m); 430 m->alias = NULL; 431 m->is_default = false; 432 compat_props_add(m->compat_props, hw_compat_6_0, hw_compat_6_0_len); 433 compat_props_add(m->compat_props, pc_compat_6_0, pc_compat_6_0_len); 434 } 435 436 DEFINE_I440FX_MACHINE(v6_0, "pc-i440fx-6.0", NULL, 437 pc_i440fx_6_0_machine_options); 438 439 static void pc_i440fx_5_2_machine_options(MachineClass *m) 440 { 441 pc_i440fx_6_0_machine_options(m); 442 m->alias = NULL; 443 m->is_default = false; 444 compat_props_add(m->compat_props, hw_compat_5_2, hw_compat_5_2_len); 445 compat_props_add(m->compat_props, pc_compat_5_2, pc_compat_5_2_len); 446 } 447 448 DEFINE_I440FX_MACHINE(v5_2, "pc-i440fx-5.2", NULL, 449 pc_i440fx_5_2_machine_options); 450 451 static void pc_i440fx_5_1_machine_options(MachineClass *m) 452 { 453 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 454 455 pc_i440fx_5_2_machine_options(m); 456 m->alias = NULL; 457 m->is_default = false; 458 compat_props_add(m->compat_props, hw_compat_5_1, hw_compat_5_1_len); 459 compat_props_add(m->compat_props, pc_compat_5_1, pc_compat_5_1_len); 460 pcmc->kvmclock_create_always = false; 461 pcmc->pci_root_uid = 1; 462 } 463 464 DEFINE_I440FX_MACHINE(v5_1, "pc-i440fx-5.1", NULL, 465 pc_i440fx_5_1_machine_options); 466 467 static void pc_i440fx_5_0_machine_options(MachineClass *m) 468 { 469 pc_i440fx_5_1_machine_options(m); 470 m->alias = NULL; 471 m->is_default = false; 472 m->numa_mem_supported = true; 473 compat_props_add(m->compat_props, hw_compat_5_0, hw_compat_5_0_len); 474 compat_props_add(m->compat_props, pc_compat_5_0, pc_compat_5_0_len); 475 m->auto_enable_numa_with_memdev = false; 476 } 477 478 DEFINE_I440FX_MACHINE(v5_0, "pc-i440fx-5.0", NULL, 479 pc_i440fx_5_0_machine_options); 480 481 static void pc_i440fx_4_2_machine_options(MachineClass *m) 482 { 483 pc_i440fx_5_0_machine_options(m); 484 m->alias = NULL; 485 m->is_default = false; 486 compat_props_add(m->compat_props, hw_compat_4_2, hw_compat_4_2_len); 487 compat_props_add(m->compat_props, pc_compat_4_2, pc_compat_4_2_len); 488 } 489 490 DEFINE_I440FX_MACHINE(v4_2, "pc-i440fx-4.2", NULL, 491 pc_i440fx_4_2_machine_options); 492 493 static void pc_i440fx_4_1_machine_options(MachineClass *m) 494 { 495 pc_i440fx_4_2_machine_options(m); 496 m->alias = NULL; 497 m->is_default = false; 498 compat_props_add(m->compat_props, hw_compat_4_1, hw_compat_4_1_len); 499 compat_props_add(m->compat_props, pc_compat_4_1, pc_compat_4_1_len); 500 } 501 502 DEFINE_I440FX_MACHINE(v4_1, "pc-i440fx-4.1", NULL, 503 pc_i440fx_4_1_machine_options); 504 505 static void pc_i440fx_4_0_machine_options(MachineClass *m) 506 { 507 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 508 pc_i440fx_4_1_machine_options(m); 509 m->alias = NULL; 510 m->is_default = false; 511 pcmc->default_cpu_version = CPU_VERSION_LEGACY; 512 compat_props_add(m->compat_props, hw_compat_4_0, hw_compat_4_0_len); 513 compat_props_add(m->compat_props, pc_compat_4_0, pc_compat_4_0_len); 514 } 515 516 DEFINE_I440FX_MACHINE(v4_0, "pc-i440fx-4.0", NULL, 517 pc_i440fx_4_0_machine_options); 518 519 static void pc_i440fx_3_1_machine_options(MachineClass *m) 520 { 521 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 522 523 pc_i440fx_4_0_machine_options(m); 524 m->is_default = false; 525 pcmc->do_not_add_smb_acpi = true; 526 m->smbus_no_migration_support = true; 527 m->alias = NULL; 528 pcmc->pvh_enabled = false; 529 compat_props_add(m->compat_props, hw_compat_3_1, hw_compat_3_1_len); 530 compat_props_add(m->compat_props, pc_compat_3_1, pc_compat_3_1_len); 531 } 532 533 DEFINE_I440FX_MACHINE(v3_1, "pc-i440fx-3.1", NULL, 534 pc_i440fx_3_1_machine_options); 535 536 static void pc_i440fx_3_0_machine_options(MachineClass *m) 537 { 538 pc_i440fx_3_1_machine_options(m); 539 compat_props_add(m->compat_props, hw_compat_3_0, hw_compat_3_0_len); 540 compat_props_add(m->compat_props, pc_compat_3_0, pc_compat_3_0_len); 541 } 542 543 DEFINE_I440FX_MACHINE(v3_0, "pc-i440fx-3.0", NULL, 544 pc_i440fx_3_0_machine_options); 545 546 static void pc_i440fx_2_12_machine_options(MachineClass *m) 547 { 548 pc_i440fx_3_0_machine_options(m); 549 compat_props_add(m->compat_props, hw_compat_2_12, hw_compat_2_12_len); 550 compat_props_add(m->compat_props, pc_compat_2_12, pc_compat_2_12_len); 551 } 552 553 DEFINE_I440FX_MACHINE(v2_12, "pc-i440fx-2.12", NULL, 554 pc_i440fx_2_12_machine_options); 555 556 static void pc_i440fx_2_11_machine_options(MachineClass *m) 557 { 558 pc_i440fx_2_12_machine_options(m); 559 compat_props_add(m->compat_props, hw_compat_2_11, hw_compat_2_11_len); 560 compat_props_add(m->compat_props, pc_compat_2_11, pc_compat_2_11_len); 561 } 562 563 DEFINE_I440FX_MACHINE(v2_11, "pc-i440fx-2.11", NULL, 564 pc_i440fx_2_11_machine_options); 565 566 static void pc_i440fx_2_10_machine_options(MachineClass *m) 567 { 568 pc_i440fx_2_11_machine_options(m); 569 compat_props_add(m->compat_props, hw_compat_2_10, hw_compat_2_10_len); 570 compat_props_add(m->compat_props, pc_compat_2_10, pc_compat_2_10_len); 571 m->auto_enable_numa_with_memhp = false; 572 } 573 574 DEFINE_I440FX_MACHINE(v2_10, "pc-i440fx-2.10", NULL, 575 pc_i440fx_2_10_machine_options); 576 577 static void pc_i440fx_2_9_machine_options(MachineClass *m) 578 { 579 pc_i440fx_2_10_machine_options(m); 580 compat_props_add(m->compat_props, hw_compat_2_9, hw_compat_2_9_len); 581 compat_props_add(m->compat_props, pc_compat_2_9, pc_compat_2_9_len); 582 } 583 584 DEFINE_I440FX_MACHINE(v2_9, "pc-i440fx-2.9", NULL, 585 pc_i440fx_2_9_machine_options); 586 587 static void pc_i440fx_2_8_machine_options(MachineClass *m) 588 { 589 pc_i440fx_2_9_machine_options(m); 590 compat_props_add(m->compat_props, hw_compat_2_8, hw_compat_2_8_len); 591 compat_props_add(m->compat_props, pc_compat_2_8, pc_compat_2_8_len); 592 } 593 594 DEFINE_I440FX_MACHINE(v2_8, "pc-i440fx-2.8", NULL, 595 pc_i440fx_2_8_machine_options); 596 597 static void pc_i440fx_2_7_machine_options(MachineClass *m) 598 { 599 pc_i440fx_2_8_machine_options(m); 600 compat_props_add(m->compat_props, hw_compat_2_7, hw_compat_2_7_len); 601 compat_props_add(m->compat_props, pc_compat_2_7, pc_compat_2_7_len); 602 } 603 604 DEFINE_I440FX_MACHINE(v2_7, "pc-i440fx-2.7", NULL, 605 pc_i440fx_2_7_machine_options); 606 607 static void pc_i440fx_2_6_machine_options(MachineClass *m) 608 { 609 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 610 611 pc_i440fx_2_7_machine_options(m); 612 pcmc->legacy_cpu_hotplug = true; 613 pcmc->linuxboot_dma_enabled = false; 614 compat_props_add(m->compat_props, hw_compat_2_6, hw_compat_2_6_len); 615 compat_props_add(m->compat_props, pc_compat_2_6, pc_compat_2_6_len); 616 } 617 618 DEFINE_I440FX_MACHINE(v2_6, "pc-i440fx-2.6", NULL, 619 pc_i440fx_2_6_machine_options); 620 621 static void pc_i440fx_2_5_machine_options(MachineClass *m) 622 { 623 X86MachineClass *x86mc = X86_MACHINE_CLASS(m); 624 625 pc_i440fx_2_6_machine_options(m); 626 x86mc->save_tsc_khz = false; 627 m->legacy_fw_cfg_order = 1; 628 compat_props_add(m->compat_props, hw_compat_2_5, hw_compat_2_5_len); 629 compat_props_add(m->compat_props, pc_compat_2_5, pc_compat_2_5_len); 630 } 631 632 DEFINE_I440FX_MACHINE(v2_5, "pc-i440fx-2.5", NULL, 633 pc_i440fx_2_5_machine_options); 634 635 static void pc_i440fx_2_4_machine_options(MachineClass *m) 636 { 637 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 638 639 pc_i440fx_2_5_machine_options(m); 640 m->hw_version = "2.4.0"; 641 pcmc->broken_reserved_end = true; 642 compat_props_add(m->compat_props, hw_compat_2_4, hw_compat_2_4_len); 643 compat_props_add(m->compat_props, pc_compat_2_4, pc_compat_2_4_len); 644 } 645 646 DEFINE_I440FX_MACHINE(v2_4, "pc-i440fx-2.4", NULL, 647 pc_i440fx_2_4_machine_options) 648 649 static void pc_i440fx_2_3_machine_options(MachineClass *m) 650 { 651 pc_i440fx_2_4_machine_options(m); 652 m->hw_version = "2.3.0"; 653 compat_props_add(m->compat_props, hw_compat_2_3, hw_compat_2_3_len); 654 compat_props_add(m->compat_props, pc_compat_2_3, pc_compat_2_3_len); 655 } 656 657 DEFINE_I440FX_MACHINE(v2_3, "pc-i440fx-2.3", pc_compat_2_3_fn, 658 pc_i440fx_2_3_machine_options); 659 660 static void pc_i440fx_2_2_machine_options(MachineClass *m) 661 { 662 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 663 664 pc_i440fx_2_3_machine_options(m); 665 m->hw_version = "2.2.0"; 666 m->default_machine_opts = "firmware=bios-256k.bin,suppress-vmdesc=on"; 667 compat_props_add(m->compat_props, hw_compat_2_2, hw_compat_2_2_len); 668 compat_props_add(m->compat_props, pc_compat_2_2, pc_compat_2_2_len); 669 pcmc->rsdp_in_ram = false; 670 } 671 672 DEFINE_I440FX_MACHINE(v2_2, "pc-i440fx-2.2", pc_compat_2_2_fn, 673 pc_i440fx_2_2_machine_options); 674 675 static void pc_i440fx_2_1_machine_options(MachineClass *m) 676 { 677 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 678 679 pc_i440fx_2_2_machine_options(m); 680 m->hw_version = "2.1.0"; 681 m->default_display = NULL; 682 compat_props_add(m->compat_props, hw_compat_2_1, hw_compat_2_1_len); 683 compat_props_add(m->compat_props, pc_compat_2_1, pc_compat_2_1_len); 684 pcmc->smbios_uuid_encoded = false; 685 pcmc->enforce_aligned_dimm = false; 686 } 687 688 DEFINE_I440FX_MACHINE(v2_1, "pc-i440fx-2.1", pc_compat_2_1_fn, 689 pc_i440fx_2_1_machine_options); 690 691 static void pc_i440fx_2_0_machine_options(MachineClass *m) 692 { 693 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 694 695 pc_i440fx_2_1_machine_options(m); 696 m->hw_version = "2.0.0"; 697 compat_props_add(m->compat_props, pc_compat_2_0, pc_compat_2_0_len); 698 pcmc->smbios_legacy_mode = true; 699 pcmc->has_reserved_memory = false; 700 /* This value depends on the actual DSDT and SSDT compiled into 701 * the source QEMU; unfortunately it depends on the binary and 702 * not on the machine type, so we cannot make pc-i440fx-1.7 work on 703 * both QEMU 1.7 and QEMU 2.0. 704 * 705 * Large variations cause migration to fail for more than one 706 * consecutive value of the "-smp" maxcpus option. 707 * 708 * For small variations of the kind caused by different iasl versions, 709 * the 4k rounding usually leaves slack. However, there could be still 710 * one or two values that break. For QEMU 1.7 and QEMU 2.0 the 711 * slack is only ~10 bytes before one "-smp maxcpus" value breaks! 712 * 713 * 6652 is valid for QEMU 2.0, the right value for pc-i440fx-1.7 on 714 * QEMU 1.7 it is 6414. For RHEL/CentOS 7.0 it is 6418. 715 */ 716 pcmc->legacy_acpi_table_size = 6652; 717 pcmc->acpi_data_size = 0x10000; 718 } 719 720 DEFINE_I440FX_MACHINE(v2_0, "pc-i440fx-2.0", pc_compat_2_0_fn, 721 pc_i440fx_2_0_machine_options); 722 723 static void pc_i440fx_1_7_machine_options(MachineClass *m) 724 { 725 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 726 727 pc_i440fx_2_0_machine_options(m); 728 m->hw_version = "1.7.0"; 729 m->default_machine_opts = NULL; 730 m->option_rom_has_mr = true; 731 compat_props_add(m->compat_props, pc_compat_1_7, pc_compat_1_7_len); 732 pcmc->smbios_defaults = false; 733 pcmc->gigabyte_align = false; 734 pcmc->legacy_acpi_table_size = 6414; 735 } 736 737 DEFINE_I440FX_MACHINE(v1_7, "pc-i440fx-1.7", pc_compat_1_7_fn, 738 pc_i440fx_1_7_machine_options); 739 740 static void pc_i440fx_1_6_machine_options(MachineClass *m) 741 { 742 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 743 744 pc_i440fx_1_7_machine_options(m); 745 m->hw_version = "1.6.0"; 746 m->rom_file_has_mr = false; 747 compat_props_add(m->compat_props, pc_compat_1_6, pc_compat_1_6_len); 748 pcmc->has_acpi_build = false; 749 } 750 751 DEFINE_I440FX_MACHINE(v1_6, "pc-i440fx-1.6", pc_compat_1_6_fn, 752 pc_i440fx_1_6_machine_options); 753 754 static void pc_i440fx_1_5_machine_options(MachineClass *m) 755 { 756 pc_i440fx_1_6_machine_options(m); 757 m->hw_version = "1.5.0"; 758 compat_props_add(m->compat_props, pc_compat_1_5, pc_compat_1_5_len); 759 } 760 761 DEFINE_I440FX_MACHINE(v1_5, "pc-i440fx-1.5", pc_compat_1_5_fn, 762 pc_i440fx_1_5_machine_options); 763 764 static void pc_i440fx_1_4_machine_options(MachineClass *m) 765 { 766 pc_i440fx_1_5_machine_options(m); 767 m->hw_version = "1.4.0"; 768 compat_props_add(m->compat_props, pc_compat_1_4, pc_compat_1_4_len); 769 } 770 771 DEFINE_I440FX_MACHINE(v1_4, "pc-i440fx-1.4", pc_compat_1_4_fn, 772 pc_i440fx_1_4_machine_options); 773 774 typedef struct { 775 uint16_t gpu_device_id; 776 uint16_t pch_device_id; 777 uint8_t pch_revision_id; 778 } IGDDeviceIDInfo; 779 780 /* In real world different GPU should have different PCH. But actually 781 * the different PCH DIDs likely map to different PCH SKUs. We do the 782 * same thing for the GPU. For PCH, the different SKUs are going to be 783 * all the same silicon design and implementation, just different 784 * features turn on and off with fuses. The SW interfaces should be 785 * consistent across all SKUs in a given family (eg LPT). But just same 786 * features may not be supported. 787 * 788 * Most of these different PCH features probably don't matter to the 789 * Gfx driver, but obviously any difference in display port connections 790 * will so it should be fine with any PCH in case of passthrough. 791 * 792 * So currently use one PCH version, 0x8c4e, to cover all HSW(Haswell) 793 * scenarios, 0x9cc3 for BDW(Broadwell). 794 */ 795 static const IGDDeviceIDInfo igd_combo_id_infos[] = { 796 /* HSW Classic */ 797 {0x0402, 0x8c4e, 0x04}, /* HSWGT1D, HSWD_w7 */ 798 {0x0406, 0x8c4e, 0x04}, /* HSWGT1M, HSWM_w7 */ 799 {0x0412, 0x8c4e, 0x04}, /* HSWGT2D, HSWD_w7 */ 800 {0x0416, 0x8c4e, 0x04}, /* HSWGT2M, HSWM_w7 */ 801 {0x041E, 0x8c4e, 0x04}, /* HSWGT15D, HSWD_w7 */ 802 /* HSW ULT */ 803 {0x0A06, 0x8c4e, 0x04}, /* HSWGT1UT, HSWM_w7 */ 804 {0x0A16, 0x8c4e, 0x04}, /* HSWGT2UT, HSWM_w7 */ 805 {0x0A26, 0x8c4e, 0x06}, /* HSWGT3UT, HSWM_w7 */ 806 {0x0A2E, 0x8c4e, 0x04}, /* HSWGT3UT28W, HSWM_w7 */ 807 {0x0A1E, 0x8c4e, 0x04}, /* HSWGT2UX, HSWM_w7 */ 808 {0x0A0E, 0x8c4e, 0x04}, /* HSWGT1ULX, HSWM_w7 */ 809 /* HSW CRW */ 810 {0x0D26, 0x8c4e, 0x04}, /* HSWGT3CW, HSWM_w7 */ 811 {0x0D22, 0x8c4e, 0x04}, /* HSWGT3CWDT, HSWD_w7 */ 812 /* HSW Server */ 813 {0x041A, 0x8c4e, 0x04}, /* HSWSVGT2, HSWD_w7 */ 814 /* HSW SRVR */ 815 {0x040A, 0x8c4e, 0x04}, /* HSWSVGT1, HSWD_w7 */ 816 /* BSW */ 817 {0x1606, 0x9cc3, 0x03}, /* BDWULTGT1, BDWM_w7 */ 818 {0x1616, 0x9cc3, 0x03}, /* BDWULTGT2, BDWM_w7 */ 819 {0x1626, 0x9cc3, 0x03}, /* BDWULTGT3, BDWM_w7 */ 820 {0x160E, 0x9cc3, 0x03}, /* BDWULXGT1, BDWM_w7 */ 821 {0x161E, 0x9cc3, 0x03}, /* BDWULXGT2, BDWM_w7 */ 822 {0x1602, 0x9cc3, 0x03}, /* BDWHALOGT1, BDWM_w7 */ 823 {0x1612, 0x9cc3, 0x03}, /* BDWHALOGT2, BDWM_w7 */ 824 {0x1622, 0x9cc3, 0x03}, /* BDWHALOGT3, BDWM_w7 */ 825 {0x162B, 0x9cc3, 0x03}, /* BDWHALO28W, BDWM_w7 */ 826 {0x162A, 0x9cc3, 0x03}, /* BDWGT3WRKS, BDWM_w7 */ 827 {0x162D, 0x9cc3, 0x03}, /* BDWGT3SRVR, BDWM_w7 */ 828 }; 829 830 static void isa_bridge_class_init(ObjectClass *klass, void *data) 831 { 832 DeviceClass *dc = DEVICE_CLASS(klass); 833 PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); 834 835 dc->desc = "ISA bridge faked to support IGD PT"; 836 set_bit(DEVICE_CATEGORY_BRIDGE, dc->categories); 837 k->vendor_id = PCI_VENDOR_ID_INTEL; 838 k->class_id = PCI_CLASS_BRIDGE_ISA; 839 }; 840 841 static TypeInfo isa_bridge_info = { 842 .name = "igd-passthrough-isa-bridge", 843 .parent = TYPE_PCI_DEVICE, 844 .instance_size = sizeof(PCIDevice), 845 .class_init = isa_bridge_class_init, 846 .interfaces = (InterfaceInfo[]) { 847 { INTERFACE_CONVENTIONAL_PCI_DEVICE }, 848 { }, 849 }, 850 }; 851 852 static void pt_graphics_register_types(void) 853 { 854 type_register_static(&isa_bridge_info); 855 } 856 type_init(pt_graphics_register_types) 857 858 void igd_passthrough_isa_bridge_create(PCIBus *bus, uint16_t gpu_dev_id) 859 { 860 struct PCIDevice *bridge_dev; 861 int i, num; 862 uint16_t pch_dev_id = 0xffff; 863 uint8_t pch_rev_id = 0; 864 865 num = ARRAY_SIZE(igd_combo_id_infos); 866 for (i = 0; i < num; i++) { 867 if (gpu_dev_id == igd_combo_id_infos[i].gpu_device_id) { 868 pch_dev_id = igd_combo_id_infos[i].pch_device_id; 869 pch_rev_id = igd_combo_id_infos[i].pch_revision_id; 870 } 871 } 872 873 if (pch_dev_id == 0xffff) { 874 return; 875 } 876 877 /* Currently IGD drivers always need to access PCH by 1f.0. */ 878 bridge_dev = pci_create_simple(bus, PCI_DEVFN(0x1f, 0), 879 "igd-passthrough-isa-bridge"); 880 881 /* 882 * Note that vendor id is always PCI_VENDOR_ID_INTEL. 883 */ 884 if (!bridge_dev) { 885 fprintf(stderr, "set igd-passthrough-isa-bridge failed!\n"); 886 return; 887 } 888 pci_config_set_device_id(bridge_dev->config, pch_dev_id); 889 pci_config_set_revision(bridge_dev->config, pch_rev_id); 890 } 891 892 static void isapc_machine_options(MachineClass *m) 893 { 894 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 895 m->desc = "ISA-only PC"; 896 m->max_cpus = 1; 897 m->option_rom_has_mr = true; 898 m->rom_file_has_mr = false; 899 pcmc->pci_enabled = false; 900 pcmc->has_acpi_build = false; 901 pcmc->smbios_defaults = false; 902 pcmc->gigabyte_align = false; 903 pcmc->smbios_legacy_mode = true; 904 pcmc->has_reserved_memory = false; 905 pcmc->default_nic_model = "ne2k_isa"; 906 m->default_cpu_type = X86_CPU_TYPE_NAME("486"); 907 } 908 909 DEFINE_PC_MACHINE(isapc, "isapc", pc_init_isa, 910 isapc_machine_options); 911 912 913 #ifdef CONFIG_XEN 914 static void xenfv_4_2_machine_options(MachineClass *m) 915 { 916 pc_i440fx_4_2_machine_options(m); 917 m->desc = "Xen Fully-virtualized PC"; 918 m->max_cpus = HVM_MAX_VCPUS; 919 m->default_machine_opts = "accel=xen,suppress-vmdesc=on"; 920 } 921 922 DEFINE_PC_MACHINE(xenfv_4_2, "xenfv-4.2", pc_xen_hvm_init, 923 xenfv_4_2_machine_options); 924 925 static void xenfv_3_1_machine_options(MachineClass *m) 926 { 927 pc_i440fx_3_1_machine_options(m); 928 m->desc = "Xen Fully-virtualized PC"; 929 m->alias = "xenfv"; 930 m->max_cpus = HVM_MAX_VCPUS; 931 m->default_machine_opts = "accel=xen,suppress-vmdesc=on"; 932 } 933 934 DEFINE_PC_MACHINE(xenfv, "xenfv-3.1", pc_xen_hvm_init, 935 xenfv_3_1_machine_options); 936 #endif 937