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.h" 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 "sysemu/sysemu.h" 46 #include "hw/sysbus.h" 47 #include "sysemu/arch_init.h" 48 #include "hw/i2c/smbus_eeprom.h" 49 #include "hw/xen/xen.h" 50 #include "exec/memory.h" 51 #include "exec/address-spaces.h" 52 #include "hw/acpi/acpi.h" 53 #include "cpu.h" 54 #include "qapi/error.h" 55 #include "qemu/error-report.h" 56 #ifdef CONFIG_XEN 57 #include <xen/hvm/hvm_info_table.h> 58 #include "hw/xen/xen_pt.h" 59 #endif 60 #include "migration/global_state.h" 61 #include "migration/misc.h" 62 #include "sysemu/numa.h" 63 #include "hw/mem/nvdimm.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 setp code in xen_ram_init(), 118 * called via xen_hvm_init(). 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(pcms, &ram_memory); 128 } else { 129 if (!x86ms->max_ram_below_4g) { 130 x86ms->max_ram_below_4g = 0xe0000000; /* default: 3.5G */ 131 } 132 lowmem = x86ms->max_ram_below_4g; 133 if (machine->ram_size >= x86ms->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 x86ms->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 (kvm_enabled() && pcmc->kvmclock_enabled) { 159 kvmclock_create(); 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 if (machine->kernel_filename != NULL) { 187 /* For xen HVM direct kernel boot, load linux here */ 188 xen_load_linux(pcms); 189 } 190 191 gsi_state = pc_gsi_create(&x86ms->gsi, pcmc->pci_enabled); 192 193 if (pcmc->pci_enabled) { 194 PIIX3State *piix3; 195 196 pci_bus = i440fx_init(host_type, 197 pci_type, 198 &i440fx_state, 199 system_memory, system_io, machine->ram_size, 200 x86ms->below_4g_mem_size, 201 x86ms->above_4g_mem_size, 202 pci_memory, ram_memory); 203 pcms->bus = pci_bus; 204 205 piix3 = piix3_create(pci_bus, &isa_bus); 206 piix3->pic = x86ms->gsi; 207 piix3_devfn = piix3->dev.devfn; 208 } else { 209 pci_bus = NULL; 210 i440fx_state = NULL; 211 isa_bus = isa_bus_new(NULL, get_system_memory(), system_io, 212 &error_abort); 213 no_hpet = 1; 214 } 215 isa_bus_irqs(isa_bus, x86ms->gsi); 216 217 pc_i8259_create(isa_bus, gsi_state->i8259_irq); 218 219 if (pcmc->pci_enabled) { 220 ioapic_init_gsi(gsi_state, "i440fx"); 221 } 222 223 if (tcg_enabled()) { 224 x86_register_ferr_irq(x86ms->gsi[13]); 225 } 226 227 pc_vga_init(isa_bus, pcmc->pci_enabled ? pci_bus : NULL); 228 229 assert(pcms->vmport != ON_OFF_AUTO__MAX); 230 if (pcms->vmport == ON_OFF_AUTO_AUTO) { 231 pcms->vmport = xen_enabled() ? ON_OFF_AUTO_OFF : ON_OFF_AUTO_ON; 232 } 233 234 /* init basic PC hardware */ 235 pc_basic_device_init(isa_bus, x86ms->gsi, &rtc_state, true, 236 (pcms->vmport != ON_OFF_AUTO_ON), pcms->pit_enabled, 237 0x4); 238 239 pc_nic_init(pcmc, isa_bus, pci_bus); 240 241 if (pcmc->pci_enabled) { 242 PCIDevice *dev; 243 244 dev = pci_create_simple(pci_bus, piix3_devfn + 1, 245 xen_enabled() ? "piix3-ide-xen" : "piix3-ide"); 246 pci_ide_create_devs(dev); 247 idebus[0] = qdev_get_child_bus(&dev->qdev, "ide.0"); 248 idebus[1] = qdev_get_child_bus(&dev->qdev, "ide.1"); 249 pc_cmos_init(pcms, idebus[0], idebus[1], rtc_state); 250 } 251 #ifdef CONFIG_IDE_ISA 252 else { 253 DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS]; 254 int i; 255 256 ide_drive_get(hd, ARRAY_SIZE(hd)); 257 for (i = 0; i < MAX_IDE_BUS; i++) { 258 ISADevice *dev; 259 char busname[] = "ide.0"; 260 dev = isa_ide_init(isa_bus, ide_iobase[i], ide_iobase2[i], 261 ide_irq[i], 262 hd[MAX_IDE_DEVS * i], hd[MAX_IDE_DEVS * i + 1]); 263 /* 264 * The ide bus name is ide.0 for the first bus and ide.1 for the 265 * second one. 266 */ 267 busname[4] = '0' + i; 268 idebus[i] = qdev_get_child_bus(DEVICE(dev), busname); 269 } 270 pc_cmos_init(pcms, idebus[0], idebus[1], rtc_state); 271 } 272 #endif 273 274 if (pcmc->pci_enabled && machine_usb(machine)) { 275 pci_create_simple(pci_bus, piix3_devfn + 2, "piix3-usb-uhci"); 276 } 277 278 if (pcmc->pci_enabled && x86_machine_is_acpi_enabled(X86_MACHINE(pcms))) { 279 DeviceState *piix4_pm; 280 281 smi_irq = qemu_allocate_irq(pc_acpi_smi_interrupt, first_cpu, 0); 282 /* TODO: Populate SPD eeprom data. */ 283 pcms->smbus = piix4_pm_init(pci_bus, piix3_devfn + 3, 0xb100, 284 x86ms->gsi[9], smi_irq, 285 x86_machine_is_smm_enabled(x86ms), 286 &piix4_pm); 287 smbus_eeprom_init(pcms->smbus, 8, NULL, 0); 288 289 object_property_add_link(OBJECT(machine), PC_MACHINE_ACPI_DEVICE_PROP, 290 TYPE_HOTPLUG_HANDLER, 291 (Object **)&pcms->acpi_dev, 292 object_property_allow_set_link, 293 OBJ_PROP_LINK_STRONG, &error_abort); 294 object_property_set_link(OBJECT(machine), OBJECT(piix4_pm), 295 PC_MACHINE_ACPI_DEVICE_PROP, &error_abort); 296 } 297 298 if (machine->nvdimms_state->is_enabled) { 299 nvdimm_init_acpi_state(machine->nvdimms_state, system_io, 300 x86ms->fw_cfg, OBJECT(pcms)); 301 } 302 } 303 304 /* Looking for a pc_compat_2_4() function? It doesn't exist. 305 * pc_compat_*() functions that run on machine-init time and 306 * change global QEMU state are deprecated. Please don't create 307 * one, and implement any pc-*-2.4 (and newer) compat code in 308 * hw_compat_*, pc_compat_*, or * pc_*_machine_options(). 309 */ 310 311 static void pc_compat_2_3_fn(MachineState *machine) 312 { 313 X86MachineState *x86ms = X86_MACHINE(machine); 314 if (kvm_enabled()) { 315 x86ms->smm = ON_OFF_AUTO_OFF; 316 } 317 } 318 319 static void pc_compat_2_2_fn(MachineState *machine) 320 { 321 pc_compat_2_3_fn(machine); 322 } 323 324 static void pc_compat_2_1_fn(MachineState *machine) 325 { 326 pc_compat_2_2_fn(machine); 327 x86_cpu_change_kvm_default("svm", NULL); 328 } 329 330 static void pc_compat_2_0_fn(MachineState *machine) 331 { 332 pc_compat_2_1_fn(machine); 333 } 334 335 static void pc_compat_1_7_fn(MachineState *machine) 336 { 337 pc_compat_2_0_fn(machine); 338 x86_cpu_change_kvm_default("x2apic", NULL); 339 } 340 341 static void pc_compat_1_6_fn(MachineState *machine) 342 { 343 pc_compat_1_7_fn(machine); 344 } 345 346 static void pc_compat_1_5_fn(MachineState *machine) 347 { 348 pc_compat_1_6_fn(machine); 349 } 350 351 static void pc_compat_1_4_fn(MachineState *machine) 352 { 353 pc_compat_1_5_fn(machine); 354 } 355 356 static void pc_compat_1_3(MachineState *machine) 357 { 358 pc_compat_1_4_fn(machine); 359 } 360 361 /* PC compat function for pc-1.0 to pc-1.2 */ 362 static void pc_compat_1_2(MachineState *machine) 363 { 364 pc_compat_1_3(machine); 365 x86_cpu_change_kvm_default("kvm-pv-eoi", NULL); 366 } 367 368 static void pc_init_isa(MachineState *machine) 369 { 370 pc_init1(machine, TYPE_I440FX_PCI_HOST_BRIDGE, TYPE_I440FX_PCI_DEVICE); 371 } 372 373 #ifdef CONFIG_XEN 374 static void pc_xen_hvm_init_pci(MachineState *machine) 375 { 376 const char *pci_type = has_igd_gfx_passthru ? 377 TYPE_IGD_PASSTHROUGH_I440FX_PCI_DEVICE : TYPE_I440FX_PCI_DEVICE; 378 379 pc_init1(machine, 380 TYPE_I440FX_PCI_HOST_BRIDGE, 381 pci_type); 382 } 383 384 static void pc_xen_hvm_init(MachineState *machine) 385 { 386 PCMachineState *pcms = PC_MACHINE(machine); 387 388 if (!xen_enabled()) { 389 error_report("xenfv machine requires the xen accelerator"); 390 exit(1); 391 } 392 393 pc_xen_hvm_init_pci(machine); 394 pci_create_simple(pcms->bus, -1, "xen-platform"); 395 } 396 #endif 397 398 #define DEFINE_I440FX_MACHINE(suffix, name, compatfn, optionfn) \ 399 static void pc_init_##suffix(MachineState *machine) \ 400 { \ 401 void (*compat)(MachineState *m) = (compatfn); \ 402 if (compat) { \ 403 compat(machine); \ 404 } \ 405 pc_init1(machine, TYPE_I440FX_PCI_HOST_BRIDGE, \ 406 TYPE_I440FX_PCI_DEVICE); \ 407 } \ 408 DEFINE_PC_MACHINE(suffix, name, pc_init_##suffix, optionfn) 409 410 static void pc_i440fx_machine_options(MachineClass *m) 411 { 412 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 413 pcmc->default_nic_model = "e1000"; 414 415 m->family = "pc_piix"; 416 m->desc = "Standard PC (i440FX + PIIX, 1996)"; 417 m->default_machine_opts = "firmware=bios-256k.bin"; 418 m->default_display = "std"; 419 machine_class_allow_dynamic_sysbus_dev(m, TYPE_RAMFB_DEVICE); 420 } 421 422 static void pc_i440fx_5_0_machine_options(MachineClass *m) 423 { 424 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 425 pc_i440fx_machine_options(m); 426 m->alias = "pc"; 427 m->is_default = true; 428 pcmc->default_cpu_version = 1; 429 } 430 431 DEFINE_I440FX_MACHINE(v5_0, "pc-i440fx-5.0", NULL, 432 pc_i440fx_5_0_machine_options); 433 434 static void pc_i440fx_4_2_machine_options(MachineClass *m) 435 { 436 pc_i440fx_5_0_machine_options(m); 437 m->alias = NULL; 438 m->is_default = false; 439 compat_props_add(m->compat_props, hw_compat_4_2, hw_compat_4_2_len); 440 compat_props_add(m->compat_props, pc_compat_4_2, pc_compat_4_2_len); 441 } 442 443 DEFINE_I440FX_MACHINE(v4_2, "pc-i440fx-4.2", NULL, 444 pc_i440fx_4_2_machine_options); 445 446 static void pc_i440fx_4_1_machine_options(MachineClass *m) 447 { 448 pc_i440fx_4_2_machine_options(m); 449 m->alias = NULL; 450 m->is_default = false; 451 compat_props_add(m->compat_props, hw_compat_4_1, hw_compat_4_1_len); 452 compat_props_add(m->compat_props, pc_compat_4_1, pc_compat_4_1_len); 453 } 454 455 DEFINE_I440FX_MACHINE(v4_1, "pc-i440fx-4.1", NULL, 456 pc_i440fx_4_1_machine_options); 457 458 static void pc_i440fx_4_0_machine_options(MachineClass *m) 459 { 460 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 461 pc_i440fx_4_1_machine_options(m); 462 m->alias = NULL; 463 m->is_default = false; 464 pcmc->default_cpu_version = CPU_VERSION_LEGACY; 465 compat_props_add(m->compat_props, hw_compat_4_0, hw_compat_4_0_len); 466 compat_props_add(m->compat_props, pc_compat_4_0, pc_compat_4_0_len); 467 } 468 469 DEFINE_I440FX_MACHINE(v4_0, "pc-i440fx-4.0", NULL, 470 pc_i440fx_4_0_machine_options); 471 472 static void pc_i440fx_3_1_machine_options(MachineClass *m) 473 { 474 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 475 476 pc_i440fx_4_0_machine_options(m); 477 m->is_default = false; 478 pcmc->do_not_add_smb_acpi = true; 479 m->smbus_no_migration_support = true; 480 m->alias = NULL; 481 pcmc->pvh_enabled = false; 482 compat_props_add(m->compat_props, hw_compat_3_1, hw_compat_3_1_len); 483 compat_props_add(m->compat_props, pc_compat_3_1, pc_compat_3_1_len); 484 } 485 486 DEFINE_I440FX_MACHINE(v3_1, "pc-i440fx-3.1", NULL, 487 pc_i440fx_3_1_machine_options); 488 489 static void pc_i440fx_3_0_machine_options(MachineClass *m) 490 { 491 pc_i440fx_3_1_machine_options(m); 492 compat_props_add(m->compat_props, hw_compat_3_0, hw_compat_3_0_len); 493 compat_props_add(m->compat_props, pc_compat_3_0, pc_compat_3_0_len); 494 } 495 496 DEFINE_I440FX_MACHINE(v3_0, "pc-i440fx-3.0", NULL, 497 pc_i440fx_3_0_machine_options); 498 499 static void pc_i440fx_2_12_machine_options(MachineClass *m) 500 { 501 pc_i440fx_3_0_machine_options(m); 502 compat_props_add(m->compat_props, hw_compat_2_12, hw_compat_2_12_len); 503 compat_props_add(m->compat_props, pc_compat_2_12, pc_compat_2_12_len); 504 } 505 506 DEFINE_I440FX_MACHINE(v2_12, "pc-i440fx-2.12", NULL, 507 pc_i440fx_2_12_machine_options); 508 509 static void pc_i440fx_2_11_machine_options(MachineClass *m) 510 { 511 pc_i440fx_2_12_machine_options(m); 512 compat_props_add(m->compat_props, hw_compat_2_11, hw_compat_2_11_len); 513 compat_props_add(m->compat_props, pc_compat_2_11, pc_compat_2_11_len); 514 } 515 516 DEFINE_I440FX_MACHINE(v2_11, "pc-i440fx-2.11", NULL, 517 pc_i440fx_2_11_machine_options); 518 519 static void pc_i440fx_2_10_machine_options(MachineClass *m) 520 { 521 pc_i440fx_2_11_machine_options(m); 522 compat_props_add(m->compat_props, hw_compat_2_10, hw_compat_2_10_len); 523 compat_props_add(m->compat_props, pc_compat_2_10, pc_compat_2_10_len); 524 m->auto_enable_numa_with_memhp = false; 525 } 526 527 DEFINE_I440FX_MACHINE(v2_10, "pc-i440fx-2.10", NULL, 528 pc_i440fx_2_10_machine_options); 529 530 static void pc_i440fx_2_9_machine_options(MachineClass *m) 531 { 532 pc_i440fx_2_10_machine_options(m); 533 compat_props_add(m->compat_props, hw_compat_2_9, hw_compat_2_9_len); 534 compat_props_add(m->compat_props, pc_compat_2_9, pc_compat_2_9_len); 535 m->numa_auto_assign_ram = numa_legacy_auto_assign_ram; 536 } 537 538 DEFINE_I440FX_MACHINE(v2_9, "pc-i440fx-2.9", NULL, 539 pc_i440fx_2_9_machine_options); 540 541 static void pc_i440fx_2_8_machine_options(MachineClass *m) 542 { 543 pc_i440fx_2_9_machine_options(m); 544 compat_props_add(m->compat_props, hw_compat_2_8, hw_compat_2_8_len); 545 compat_props_add(m->compat_props, pc_compat_2_8, pc_compat_2_8_len); 546 } 547 548 DEFINE_I440FX_MACHINE(v2_8, "pc-i440fx-2.8", NULL, 549 pc_i440fx_2_8_machine_options); 550 551 static void pc_i440fx_2_7_machine_options(MachineClass *m) 552 { 553 pc_i440fx_2_8_machine_options(m); 554 compat_props_add(m->compat_props, hw_compat_2_7, hw_compat_2_7_len); 555 compat_props_add(m->compat_props, pc_compat_2_7, pc_compat_2_7_len); 556 } 557 558 DEFINE_I440FX_MACHINE(v2_7, "pc-i440fx-2.7", NULL, 559 pc_i440fx_2_7_machine_options); 560 561 static void pc_i440fx_2_6_machine_options(MachineClass *m) 562 { 563 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 564 565 pc_i440fx_2_7_machine_options(m); 566 pcmc->legacy_cpu_hotplug = true; 567 pcmc->linuxboot_dma_enabled = false; 568 compat_props_add(m->compat_props, hw_compat_2_6, hw_compat_2_6_len); 569 compat_props_add(m->compat_props, pc_compat_2_6, pc_compat_2_6_len); 570 } 571 572 DEFINE_I440FX_MACHINE(v2_6, "pc-i440fx-2.6", NULL, 573 pc_i440fx_2_6_machine_options); 574 575 static void pc_i440fx_2_5_machine_options(MachineClass *m) 576 { 577 X86MachineClass *x86mc = X86_MACHINE_CLASS(m); 578 579 pc_i440fx_2_6_machine_options(m); 580 x86mc->save_tsc_khz = false; 581 m->legacy_fw_cfg_order = 1; 582 compat_props_add(m->compat_props, hw_compat_2_5, hw_compat_2_5_len); 583 compat_props_add(m->compat_props, pc_compat_2_5, pc_compat_2_5_len); 584 } 585 586 DEFINE_I440FX_MACHINE(v2_5, "pc-i440fx-2.5", NULL, 587 pc_i440fx_2_5_machine_options); 588 589 static void pc_i440fx_2_4_machine_options(MachineClass *m) 590 { 591 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 592 593 pc_i440fx_2_5_machine_options(m); 594 m->hw_version = "2.4.0"; 595 pcmc->broken_reserved_end = true; 596 compat_props_add(m->compat_props, hw_compat_2_4, hw_compat_2_4_len); 597 compat_props_add(m->compat_props, pc_compat_2_4, pc_compat_2_4_len); 598 } 599 600 DEFINE_I440FX_MACHINE(v2_4, "pc-i440fx-2.4", NULL, 601 pc_i440fx_2_4_machine_options) 602 603 static void pc_i440fx_2_3_machine_options(MachineClass *m) 604 { 605 pc_i440fx_2_4_machine_options(m); 606 m->hw_version = "2.3.0"; 607 compat_props_add(m->compat_props, hw_compat_2_3, hw_compat_2_3_len); 608 compat_props_add(m->compat_props, pc_compat_2_3, pc_compat_2_3_len); 609 } 610 611 DEFINE_I440FX_MACHINE(v2_3, "pc-i440fx-2.3", pc_compat_2_3_fn, 612 pc_i440fx_2_3_machine_options); 613 614 static void pc_i440fx_2_2_machine_options(MachineClass *m) 615 { 616 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 617 618 pc_i440fx_2_3_machine_options(m); 619 m->hw_version = "2.2.0"; 620 m->default_machine_opts = "firmware=bios-256k.bin,suppress-vmdesc=on"; 621 compat_props_add(m->compat_props, hw_compat_2_2, hw_compat_2_2_len); 622 compat_props_add(m->compat_props, pc_compat_2_2, pc_compat_2_2_len); 623 pcmc->rsdp_in_ram = false; 624 } 625 626 DEFINE_I440FX_MACHINE(v2_2, "pc-i440fx-2.2", pc_compat_2_2_fn, 627 pc_i440fx_2_2_machine_options); 628 629 static void pc_i440fx_2_1_machine_options(MachineClass *m) 630 { 631 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 632 633 pc_i440fx_2_2_machine_options(m); 634 m->hw_version = "2.1.0"; 635 m->default_display = NULL; 636 compat_props_add(m->compat_props, hw_compat_2_1, hw_compat_2_1_len); 637 compat_props_add(m->compat_props, pc_compat_2_1, pc_compat_2_1_len); 638 pcmc->smbios_uuid_encoded = false; 639 pcmc->enforce_aligned_dimm = false; 640 } 641 642 DEFINE_I440FX_MACHINE(v2_1, "pc-i440fx-2.1", pc_compat_2_1_fn, 643 pc_i440fx_2_1_machine_options); 644 645 static void pc_i440fx_2_0_machine_options(MachineClass *m) 646 { 647 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 648 649 pc_i440fx_2_1_machine_options(m); 650 m->hw_version = "2.0.0"; 651 compat_props_add(m->compat_props, pc_compat_2_0, pc_compat_2_0_len); 652 pcmc->smbios_legacy_mode = true; 653 pcmc->has_reserved_memory = false; 654 /* This value depends on the actual DSDT and SSDT compiled into 655 * the source QEMU; unfortunately it depends on the binary and 656 * not on the machine type, so we cannot make pc-i440fx-1.7 work on 657 * both QEMU 1.7 and QEMU 2.0. 658 * 659 * Large variations cause migration to fail for more than one 660 * consecutive value of the "-smp" maxcpus option. 661 * 662 * For small variations of the kind caused by different iasl versions, 663 * the 4k rounding usually leaves slack. However, there could be still 664 * one or two values that break. For QEMU 1.7 and QEMU 2.0 the 665 * slack is only ~10 bytes before one "-smp maxcpus" value breaks! 666 * 667 * 6652 is valid for QEMU 2.0, the right value for pc-i440fx-1.7 on 668 * QEMU 1.7 it is 6414. For RHEL/CentOS 7.0 it is 6418. 669 */ 670 pcmc->legacy_acpi_table_size = 6652; 671 pcmc->acpi_data_size = 0x10000; 672 } 673 674 DEFINE_I440FX_MACHINE(v2_0, "pc-i440fx-2.0", pc_compat_2_0_fn, 675 pc_i440fx_2_0_machine_options); 676 677 static void pc_i440fx_1_7_machine_options(MachineClass *m) 678 { 679 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 680 681 pc_i440fx_2_0_machine_options(m); 682 m->hw_version = "1.7.0"; 683 m->default_machine_opts = NULL; 684 m->option_rom_has_mr = true; 685 compat_props_add(m->compat_props, pc_compat_1_7, pc_compat_1_7_len); 686 pcmc->smbios_defaults = false; 687 pcmc->gigabyte_align = false; 688 pcmc->legacy_acpi_table_size = 6414; 689 } 690 691 DEFINE_I440FX_MACHINE(v1_7, "pc-i440fx-1.7", pc_compat_1_7_fn, 692 pc_i440fx_1_7_machine_options); 693 694 static void pc_i440fx_1_6_machine_options(MachineClass *m) 695 { 696 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 697 698 pc_i440fx_1_7_machine_options(m); 699 m->hw_version = "1.6.0"; 700 m->rom_file_has_mr = false; 701 compat_props_add(m->compat_props, pc_compat_1_6, pc_compat_1_6_len); 702 pcmc->has_acpi_build = false; 703 } 704 705 DEFINE_I440FX_MACHINE(v1_6, "pc-i440fx-1.6", pc_compat_1_6_fn, 706 pc_i440fx_1_6_machine_options); 707 708 static void pc_i440fx_1_5_machine_options(MachineClass *m) 709 { 710 pc_i440fx_1_6_machine_options(m); 711 m->hw_version = "1.5.0"; 712 compat_props_add(m->compat_props, pc_compat_1_5, pc_compat_1_5_len); 713 } 714 715 DEFINE_I440FX_MACHINE(v1_5, "pc-i440fx-1.5", pc_compat_1_5_fn, 716 pc_i440fx_1_5_machine_options); 717 718 static void pc_i440fx_1_4_machine_options(MachineClass *m) 719 { 720 pc_i440fx_1_5_machine_options(m); 721 m->hw_version = "1.4.0"; 722 m->hot_add_cpu = NULL; 723 compat_props_add(m->compat_props, pc_compat_1_4, pc_compat_1_4_len); 724 } 725 726 DEFINE_I440FX_MACHINE(v1_4, "pc-i440fx-1.4", pc_compat_1_4_fn, 727 pc_i440fx_1_4_machine_options); 728 729 static void pc_i440fx_1_3_machine_options(MachineClass *m) 730 { 731 X86MachineClass *x86mc = X86_MACHINE_CLASS(m); 732 static GlobalProperty compat[] = { 733 PC_CPU_MODEL_IDS("1.3.0") 734 { "usb-tablet", "usb_version", "1" }, 735 { "virtio-net-pci", "ctrl_mac_addr", "off" }, 736 { "virtio-net-pci", "mq", "off" }, 737 { "e1000", "autonegotiation", "off" }, 738 }; 739 740 pc_i440fx_1_4_machine_options(m); 741 m->hw_version = "1.3.0"; 742 m->deprecation_reason = "use a newer machine type instead"; 743 x86mc->compat_apic_id_mode = true; 744 compat_props_add(m->compat_props, compat, G_N_ELEMENTS(compat)); 745 } 746 747 DEFINE_I440FX_MACHINE(v1_3, "pc-1.3", pc_compat_1_3, 748 pc_i440fx_1_3_machine_options); 749 750 751 static void pc_i440fx_1_2_machine_options(MachineClass *m) 752 { 753 static GlobalProperty compat[] = { 754 PC_CPU_MODEL_IDS("1.2.0") 755 { "nec-usb-xhci", "msi", "off" }, 756 { "nec-usb-xhci", "msix", "off" }, 757 { "qxl", "revision", "3" }, 758 { "qxl-vga", "revision", "3" }, 759 { "VGA", "mmio", "off" }, 760 }; 761 762 pc_i440fx_1_3_machine_options(m); 763 m->hw_version = "1.2.0"; 764 compat_props_add(m->compat_props, compat, G_N_ELEMENTS(compat)); 765 } 766 767 DEFINE_I440FX_MACHINE(v1_2, "pc-1.2", pc_compat_1_2, 768 pc_i440fx_1_2_machine_options); 769 770 771 static void pc_i440fx_1_1_machine_options(MachineClass *m) 772 { 773 static GlobalProperty compat[] = { 774 PC_CPU_MODEL_IDS("1.1.0") 775 { "virtio-scsi-pci", "hotplug", "off" }, 776 { "virtio-scsi-pci", "param_change", "off" }, 777 { "VGA", "vgamem_mb", "8" }, 778 { "vmware-svga", "vgamem_mb", "8" }, 779 { "qxl-vga", "vgamem_mb", "8" }, 780 { "qxl", "vgamem_mb", "8" }, 781 { "virtio-blk-pci", "config-wce", "off" }, 782 }; 783 784 pc_i440fx_1_2_machine_options(m); 785 m->hw_version = "1.1.0"; 786 compat_props_add(m->compat_props, compat, G_N_ELEMENTS(compat)); 787 } 788 789 DEFINE_I440FX_MACHINE(v1_1, "pc-1.1", pc_compat_1_2, 790 pc_i440fx_1_1_machine_options); 791 792 static void pc_i440fx_1_0_machine_options(MachineClass *m) 793 { 794 static GlobalProperty compat[] = { 795 PC_CPU_MODEL_IDS("1.0") 796 { TYPE_ISA_FDC, "check_media_rate", "off" }, 797 { "virtio-balloon-pci", "class", stringify(PCI_CLASS_MEMORY_RAM) }, 798 { "apic-common", "vapic", "off" }, 799 { TYPE_USB_DEVICE, "full-path", "no" }, 800 }; 801 802 pc_i440fx_1_1_machine_options(m); 803 m->hw_version = "1.0"; 804 compat_props_add(m->compat_props, compat, G_N_ELEMENTS(compat)); 805 } 806 807 DEFINE_I440FX_MACHINE(v1_0, "pc-1.0", pc_compat_1_2, 808 pc_i440fx_1_0_machine_options); 809 810 811 typedef struct { 812 uint16_t gpu_device_id; 813 uint16_t pch_device_id; 814 uint8_t pch_revision_id; 815 } IGDDeviceIDInfo; 816 817 /* In real world different GPU should have different PCH. But actually 818 * the different PCH DIDs likely map to different PCH SKUs. We do the 819 * same thing for the GPU. For PCH, the different SKUs are going to be 820 * all the same silicon design and implementation, just different 821 * features turn on and off with fuses. The SW interfaces should be 822 * consistent across all SKUs in a given family (eg LPT). But just same 823 * features may not be supported. 824 * 825 * Most of these different PCH features probably don't matter to the 826 * Gfx driver, but obviously any difference in display port connections 827 * will so it should be fine with any PCH in case of passthrough. 828 * 829 * So currently use one PCH version, 0x8c4e, to cover all HSW(Haswell) 830 * scenarios, 0x9cc3 for BDW(Broadwell). 831 */ 832 static const IGDDeviceIDInfo igd_combo_id_infos[] = { 833 /* HSW Classic */ 834 {0x0402, 0x8c4e, 0x04}, /* HSWGT1D, HSWD_w7 */ 835 {0x0406, 0x8c4e, 0x04}, /* HSWGT1M, HSWM_w7 */ 836 {0x0412, 0x8c4e, 0x04}, /* HSWGT2D, HSWD_w7 */ 837 {0x0416, 0x8c4e, 0x04}, /* HSWGT2M, HSWM_w7 */ 838 {0x041E, 0x8c4e, 0x04}, /* HSWGT15D, HSWD_w7 */ 839 /* HSW ULT */ 840 {0x0A06, 0x8c4e, 0x04}, /* HSWGT1UT, HSWM_w7 */ 841 {0x0A16, 0x8c4e, 0x04}, /* HSWGT2UT, HSWM_w7 */ 842 {0x0A26, 0x8c4e, 0x06}, /* HSWGT3UT, HSWM_w7 */ 843 {0x0A2E, 0x8c4e, 0x04}, /* HSWGT3UT28W, HSWM_w7 */ 844 {0x0A1E, 0x8c4e, 0x04}, /* HSWGT2UX, HSWM_w7 */ 845 {0x0A0E, 0x8c4e, 0x04}, /* HSWGT1ULX, HSWM_w7 */ 846 /* HSW CRW */ 847 {0x0D26, 0x8c4e, 0x04}, /* HSWGT3CW, HSWM_w7 */ 848 {0x0D22, 0x8c4e, 0x04}, /* HSWGT3CWDT, HSWD_w7 */ 849 /* HSW Server */ 850 {0x041A, 0x8c4e, 0x04}, /* HSWSVGT2, HSWD_w7 */ 851 /* HSW SRVR */ 852 {0x040A, 0x8c4e, 0x04}, /* HSWSVGT1, HSWD_w7 */ 853 /* BSW */ 854 {0x1606, 0x9cc3, 0x03}, /* BDWULTGT1, BDWM_w7 */ 855 {0x1616, 0x9cc3, 0x03}, /* BDWULTGT2, BDWM_w7 */ 856 {0x1626, 0x9cc3, 0x03}, /* BDWULTGT3, BDWM_w7 */ 857 {0x160E, 0x9cc3, 0x03}, /* BDWULXGT1, BDWM_w7 */ 858 {0x161E, 0x9cc3, 0x03}, /* BDWULXGT2, BDWM_w7 */ 859 {0x1602, 0x9cc3, 0x03}, /* BDWHALOGT1, BDWM_w7 */ 860 {0x1612, 0x9cc3, 0x03}, /* BDWHALOGT2, BDWM_w7 */ 861 {0x1622, 0x9cc3, 0x03}, /* BDWHALOGT3, BDWM_w7 */ 862 {0x162B, 0x9cc3, 0x03}, /* BDWHALO28W, BDWM_w7 */ 863 {0x162A, 0x9cc3, 0x03}, /* BDWGT3WRKS, BDWM_w7 */ 864 {0x162D, 0x9cc3, 0x03}, /* BDWGT3SRVR, BDWM_w7 */ 865 }; 866 867 static void isa_bridge_class_init(ObjectClass *klass, void *data) 868 { 869 DeviceClass *dc = DEVICE_CLASS(klass); 870 PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); 871 872 dc->desc = "ISA bridge faked to support IGD PT"; 873 set_bit(DEVICE_CATEGORY_BRIDGE, dc->categories); 874 k->vendor_id = PCI_VENDOR_ID_INTEL; 875 k->class_id = PCI_CLASS_BRIDGE_ISA; 876 }; 877 878 static TypeInfo isa_bridge_info = { 879 .name = "igd-passthrough-isa-bridge", 880 .parent = TYPE_PCI_DEVICE, 881 .instance_size = sizeof(PCIDevice), 882 .class_init = isa_bridge_class_init, 883 .interfaces = (InterfaceInfo[]) { 884 { INTERFACE_CONVENTIONAL_PCI_DEVICE }, 885 { }, 886 }, 887 }; 888 889 static void pt_graphics_register_types(void) 890 { 891 type_register_static(&isa_bridge_info); 892 } 893 type_init(pt_graphics_register_types) 894 895 void igd_passthrough_isa_bridge_create(PCIBus *bus, uint16_t gpu_dev_id) 896 { 897 struct PCIDevice *bridge_dev; 898 int i, num; 899 uint16_t pch_dev_id = 0xffff; 900 uint8_t pch_rev_id; 901 902 num = ARRAY_SIZE(igd_combo_id_infos); 903 for (i = 0; i < num; i++) { 904 if (gpu_dev_id == igd_combo_id_infos[i].gpu_device_id) { 905 pch_dev_id = igd_combo_id_infos[i].pch_device_id; 906 pch_rev_id = igd_combo_id_infos[i].pch_revision_id; 907 } 908 } 909 910 if (pch_dev_id == 0xffff) { 911 return; 912 } 913 914 /* Currently IGD drivers always need to access PCH by 1f.0. */ 915 bridge_dev = pci_create_simple(bus, PCI_DEVFN(0x1f, 0), 916 "igd-passthrough-isa-bridge"); 917 918 /* 919 * Note that vendor id is always PCI_VENDOR_ID_INTEL. 920 */ 921 if (!bridge_dev) { 922 fprintf(stderr, "set igd-passthrough-isa-bridge failed!\n"); 923 return; 924 } 925 pci_config_set_device_id(bridge_dev->config, pch_dev_id); 926 pci_config_set_revision(bridge_dev->config, pch_rev_id); 927 } 928 929 static void isapc_machine_options(MachineClass *m) 930 { 931 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 932 m->desc = "ISA-only PC"; 933 m->max_cpus = 1; 934 m->option_rom_has_mr = true; 935 m->rom_file_has_mr = false; 936 pcmc->pci_enabled = false; 937 pcmc->has_acpi_build = false; 938 pcmc->smbios_defaults = false; 939 pcmc->gigabyte_align = false; 940 pcmc->smbios_legacy_mode = true; 941 pcmc->has_reserved_memory = false; 942 pcmc->default_nic_model = "ne2k_isa"; 943 m->default_cpu_type = X86_CPU_TYPE_NAME("486"); 944 } 945 946 DEFINE_PC_MACHINE(isapc, "isapc", pc_init_isa, 947 isapc_machine_options); 948 949 950 #ifdef CONFIG_XEN 951 static void xenfv_4_2_machine_options(MachineClass *m) 952 { 953 pc_i440fx_4_2_machine_options(m); 954 m->desc = "Xen Fully-virtualized PC"; 955 m->max_cpus = HVM_MAX_VCPUS; 956 m->default_machine_opts = "accel=xen"; 957 } 958 959 DEFINE_PC_MACHINE(xenfv_4_2, "xenfv-4.2", pc_xen_hvm_init, 960 xenfv_4_2_machine_options); 961 962 static void xenfv_3_1_machine_options(MachineClass *m) 963 { 964 pc_i440fx_3_1_machine_options(m); 965 m->desc = "Xen Fully-virtualized PC"; 966 m->alias = "xenfv"; 967 m->max_cpus = HVM_MAX_VCPUS; 968 m->default_machine_opts = "accel=xen"; 969 } 970 971 DEFINE_PC_MACHINE(xenfv, "xenfv-3.1", pc_xen_hvm_init, 972 xenfv_3_1_machine_options); 973 #endif 974