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.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 64 #define MAX_IDE_BUS 2 65 66 #ifdef CONFIG_IDE_ISA 67 static const int ide_iobase[MAX_IDE_BUS] = { 0x1f0, 0x170 }; 68 static const int ide_iobase2[MAX_IDE_BUS] = { 0x3f6, 0x376 }; 69 static const int ide_irq[MAX_IDE_BUS] = { 14, 15 }; 70 #endif 71 72 /* PC hardware initialisation */ 73 static void pc_init1(MachineState *machine, 74 const char *host_type, const char *pci_type) 75 { 76 PCMachineState *pcms = PC_MACHINE(machine); 77 PCMachineClass *pcmc = PC_MACHINE_GET_CLASS(pcms); 78 X86MachineState *x86ms = X86_MACHINE(machine); 79 MemoryRegion *system_memory = get_system_memory(); 80 MemoryRegion *system_io = get_system_io(); 81 int i; 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 DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS]; 89 BusState *idebus[MAX_IDE_BUS]; 90 ISADevice *rtc_state; 91 MemoryRegion *ram_memory; 92 MemoryRegion *pci_memory; 93 MemoryRegion *rom_memory; 94 ram_addr_t lowmem; 95 96 /* 97 * Calculate ram split, for memory below and above 4G. It's a bit 98 * complicated for backward compatibility reasons ... 99 * 100 * - Traditional split is 3.5G (lowmem = 0xe0000000). This is the 101 * default value for max_ram_below_4g now. 102 * 103 * - Then, to gigabyte align the memory, we move the split to 3G 104 * (lowmem = 0xc0000000). But only in case we have to split in 105 * the first place, i.e. ram_size is larger than (traditional) 106 * lowmem. And for new machine types (gigabyte_align = true) 107 * only, for live migration compatibility reasons. 108 * 109 * - Next the max-ram-below-4g option was added, which allowed to 110 * reduce lowmem to a smaller value, to allow a larger PCI I/O 111 * window below 4G. qemu doesn't enforce gigabyte alignment here, 112 * but prints a warning. 113 * 114 * - Finally max-ram-below-4g got updated to also allow raising lowmem, 115 * so legacy non-PAE guests can get as much memory as possible in 116 * the 32bit address space below 4G. 117 * 118 * - Note that Xen has its own ram setp code in xen_ram_init(), 119 * called via xen_hvm_init(). 120 * 121 * Examples: 122 * qemu -M pc-1.7 -m 4G (old default) -> 3584M low, 512M high 123 * qemu -M pc -m 4G (new default) -> 3072M low, 1024M high 124 * qemu -M pc,max-ram-below-4g=2G -m 4G -> 2048M low, 2048M high 125 * qemu -M pc,max-ram-below-4g=4G -m 3968M -> 3968M low (=4G-128M) 126 */ 127 if (xen_enabled()) { 128 xen_hvm_init(pcms, &ram_memory); 129 } else { 130 if (!x86ms->max_ram_below_4g) { 131 x86ms->max_ram_below_4g = 0xe0000000; /* default: 3.5G */ 132 } 133 lowmem = x86ms->max_ram_below_4g; 134 if (machine->ram_size >= x86ms->max_ram_below_4g) { 135 if (pcmc->gigabyte_align) { 136 if (lowmem > 0xc0000000) { 137 lowmem = 0xc0000000; 138 } 139 if (lowmem & (1 * GiB - 1)) { 140 warn_report("Large machine and max_ram_below_4g " 141 "(%" PRIu64 ") not a multiple of 1G; " 142 "possible bad performance.", 143 x86ms->max_ram_below_4g); 144 } 145 } 146 } 147 148 if (machine->ram_size >= lowmem) { 149 x86ms->above_4g_mem_size = machine->ram_size - lowmem; 150 x86ms->below_4g_mem_size = lowmem; 151 } else { 152 x86ms->above_4g_mem_size = 0; 153 x86ms->below_4g_mem_size = machine->ram_size; 154 } 155 } 156 157 x86_cpus_init(x86ms, pcmc->default_cpu_version); 158 159 if (kvm_enabled() && pcmc->kvmclock_enabled) { 160 kvmclock_create(); 161 } 162 163 if (pcmc->pci_enabled) { 164 pci_memory = g_new(MemoryRegion, 1); 165 memory_region_init(pci_memory, NULL, "pci", UINT64_MAX); 166 rom_memory = pci_memory; 167 } else { 168 pci_memory = NULL; 169 rom_memory = system_memory; 170 } 171 172 pc_guest_info_init(pcms); 173 174 if (pcmc->smbios_defaults) { 175 MachineClass *mc = MACHINE_GET_CLASS(machine); 176 /* These values are guest ABI, do not change */ 177 smbios_set_defaults("QEMU", "Standard PC (i440FX + PIIX, 1996)", 178 mc->name, pcmc->smbios_legacy_mode, 179 pcmc->smbios_uuid_encoded, 180 SMBIOS_ENTRY_POINT_21); 181 } 182 183 /* allocate ram and load rom/bios */ 184 if (!xen_enabled()) { 185 pc_memory_init(pcms, system_memory, 186 rom_memory, &ram_memory); 187 } else if (machine->kernel_filename != NULL) { 188 /* For xen HVM direct kernel boot, load linux here */ 189 xen_load_linux(pcms); 190 } 191 192 gsi_state = pc_gsi_create(&x86ms->gsi, pcmc->pci_enabled); 193 194 if (pcmc->pci_enabled) { 195 pci_bus = i440fx_init(host_type, 196 pci_type, 197 &i440fx_state, &piix3_devfn, &isa_bus, x86ms->gsi, 198 system_memory, system_io, machine->ram_size, 199 x86ms->below_4g_mem_size, 200 x86ms->above_4g_mem_size, 201 pci_memory, ram_memory); 202 pcms->bus = pci_bus; 203 } else { 204 pci_bus = NULL; 205 i440fx_state = NULL; 206 isa_bus = isa_bus_new(NULL, get_system_memory(), system_io, 207 &error_abort); 208 no_hpet = 1; 209 } 210 isa_bus_irqs(isa_bus, x86ms->gsi); 211 212 pc_i8259_create(isa_bus, gsi_state->i8259_irq); 213 214 if (pcmc->pci_enabled) { 215 ioapic_init_gsi(gsi_state, "i440fx"); 216 } 217 218 if (tcg_enabled()) { 219 x86_register_ferr_irq(x86ms->gsi[13]); 220 } 221 222 pc_vga_init(isa_bus, pcmc->pci_enabled ? pci_bus : NULL); 223 224 assert(pcms->vmport != ON_OFF_AUTO__MAX); 225 if (pcms->vmport == ON_OFF_AUTO_AUTO) { 226 pcms->vmport = xen_enabled() ? ON_OFF_AUTO_OFF : ON_OFF_AUTO_ON; 227 } 228 229 /* init basic PC hardware */ 230 pc_basic_device_init(isa_bus, x86ms->gsi, &rtc_state, true, 231 (pcms->vmport != ON_OFF_AUTO_ON), pcms->pit_enabled, 232 0x4); 233 234 pc_nic_init(pcmc, isa_bus, pci_bus); 235 236 ide_drive_get(hd, ARRAY_SIZE(hd)); 237 if (pcmc->pci_enabled) { 238 PCIDevice *dev; 239 if (xen_enabled()) { 240 dev = pci_piix3_xen_ide_init(pci_bus, hd, piix3_devfn + 1); 241 } else { 242 dev = pci_piix3_ide_init(pci_bus, hd, piix3_devfn + 1); 243 } 244 idebus[0] = qdev_get_child_bus(&dev->qdev, "ide.0"); 245 idebus[1] = qdev_get_child_bus(&dev->qdev, "ide.1"); 246 pc_cmos_init(pcms, idebus[0], idebus[1], rtc_state); 247 } 248 #ifdef CONFIG_IDE_ISA 249 else { 250 for(i = 0; i < MAX_IDE_BUS; i++) { 251 ISADevice *dev; 252 char busname[] = "ide.0"; 253 dev = isa_ide_init(isa_bus, ide_iobase[i], ide_iobase2[i], 254 ide_irq[i], 255 hd[MAX_IDE_DEVS * i], hd[MAX_IDE_DEVS * i + 1]); 256 /* 257 * The ide bus name is ide.0 for the first bus and ide.1 for the 258 * second one. 259 */ 260 busname[4] = '0' + i; 261 idebus[i] = qdev_get_child_bus(DEVICE(dev), busname); 262 } 263 pc_cmos_init(pcms, idebus[0], idebus[1], rtc_state); 264 } 265 #endif 266 267 if (pcmc->pci_enabled && machine_usb(machine)) { 268 pci_create_simple(pci_bus, piix3_devfn + 2, "piix3-usb-uhci"); 269 } 270 271 if (pcmc->pci_enabled && acpi_enabled) { 272 DeviceState *piix4_pm; 273 274 smi_irq = qemu_allocate_irq(pc_acpi_smi_interrupt, first_cpu, 0); 275 /* TODO: Populate SPD eeprom data. */ 276 pcms->smbus = piix4_pm_init(pci_bus, piix3_devfn + 3, 0xb100, 277 x86ms->gsi[9], smi_irq, 278 pc_machine_is_smm_enabled(pcms), 279 &piix4_pm); 280 smbus_eeprom_init(pcms->smbus, 8, NULL, 0); 281 282 object_property_add_link(OBJECT(machine), PC_MACHINE_ACPI_DEVICE_PROP, 283 TYPE_HOTPLUG_HANDLER, 284 (Object **)&pcms->acpi_dev, 285 object_property_allow_set_link, 286 OBJ_PROP_LINK_STRONG, &error_abort); 287 object_property_set_link(OBJECT(machine), OBJECT(piix4_pm), 288 PC_MACHINE_ACPI_DEVICE_PROP, &error_abort); 289 } 290 291 if (machine->nvdimms_state->is_enabled) { 292 nvdimm_init_acpi_state(machine->nvdimms_state, system_io, 293 x86ms->fw_cfg, OBJECT(pcms)); 294 } 295 } 296 297 /* Looking for a pc_compat_2_4() function? It doesn't exist. 298 * pc_compat_*() functions that run on machine-init time and 299 * change global QEMU state are deprecated. Please don't create 300 * one, and implement any pc-*-2.4 (and newer) compat code in 301 * hw_compat_*, pc_compat_*, or * pc_*_machine_options(). 302 */ 303 304 static void pc_compat_2_3_fn(MachineState *machine) 305 { 306 PCMachineState *pcms = PC_MACHINE(machine); 307 if (kvm_enabled()) { 308 pcms->smm = ON_OFF_AUTO_OFF; 309 } 310 } 311 312 static void pc_compat_2_2_fn(MachineState *machine) 313 { 314 pc_compat_2_3_fn(machine); 315 } 316 317 static void pc_compat_2_1_fn(MachineState *machine) 318 { 319 pc_compat_2_2_fn(machine); 320 x86_cpu_change_kvm_default("svm", NULL); 321 } 322 323 static void pc_compat_2_0_fn(MachineState *machine) 324 { 325 pc_compat_2_1_fn(machine); 326 } 327 328 static void pc_compat_1_7_fn(MachineState *machine) 329 { 330 pc_compat_2_0_fn(machine); 331 x86_cpu_change_kvm_default("x2apic", NULL); 332 } 333 334 static void pc_compat_1_6_fn(MachineState *machine) 335 { 336 pc_compat_1_7_fn(machine); 337 } 338 339 static void pc_compat_1_5_fn(MachineState *machine) 340 { 341 pc_compat_1_6_fn(machine); 342 } 343 344 static void pc_compat_1_4_fn(MachineState *machine) 345 { 346 pc_compat_1_5_fn(machine); 347 } 348 349 static void pc_compat_1_3(MachineState *machine) 350 { 351 pc_compat_1_4_fn(machine); 352 } 353 354 /* PC compat function for pc-0.14 to pc-1.2 */ 355 static void pc_compat_1_2(MachineState *machine) 356 { 357 pc_compat_1_3(machine); 358 x86_cpu_change_kvm_default("kvm-pv-eoi", NULL); 359 } 360 361 /* PC compat function for pc-0.12 and pc-0.13 */ 362 static void pc_compat_0_13(MachineState *machine) 363 { 364 pc_compat_1_2(machine); 365 } 366 367 static void pc_init_isa(MachineState *machine) 368 { 369 pc_init1(machine, TYPE_I440FX_PCI_HOST_BRIDGE, TYPE_I440FX_PCI_DEVICE); 370 } 371 372 #ifdef CONFIG_XEN 373 static void pc_xen_hvm_init_pci(MachineState *machine) 374 { 375 const char *pci_type = has_igd_gfx_passthru ? 376 TYPE_IGD_PASSTHROUGH_I440FX_PCI_DEVICE : TYPE_I440FX_PCI_DEVICE; 377 378 pc_init1(machine, 379 TYPE_I440FX_PCI_HOST_BRIDGE, 380 pci_type); 381 } 382 383 static void pc_xen_hvm_init(MachineState *machine) 384 { 385 PCMachineState *pcms = PC_MACHINE(machine); 386 387 if (!xen_enabled()) { 388 error_report("xenfv machine requires the xen accelerator"); 389 exit(1); 390 } 391 392 pc_xen_hvm_init_pci(machine); 393 pci_create_simple(pcms->bus, -1, "xen-platform"); 394 } 395 #endif 396 397 #define DEFINE_I440FX_MACHINE(suffix, name, compatfn, optionfn) \ 398 static void pc_init_##suffix(MachineState *machine) \ 399 { \ 400 void (*compat)(MachineState *m) = (compatfn); \ 401 if (compat) { \ 402 compat(machine); \ 403 } \ 404 pc_init1(machine, TYPE_I440FX_PCI_HOST_BRIDGE, \ 405 TYPE_I440FX_PCI_DEVICE); \ 406 } \ 407 DEFINE_PC_MACHINE(suffix, name, pc_init_##suffix, optionfn) 408 409 static void pc_i440fx_machine_options(MachineClass *m) 410 { 411 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 412 pcmc->default_nic_model = "e1000"; 413 414 m->family = "pc_piix"; 415 m->desc = "Standard PC (i440FX + PIIX, 1996)"; 416 m->default_machine_opts = "firmware=bios-256k.bin"; 417 m->default_display = "std"; 418 machine_class_allow_dynamic_sysbus_dev(m, TYPE_RAMFB_DEVICE); 419 } 420 421 static void pc_i440fx_4_2_machine_options(MachineClass *m) 422 { 423 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 424 pc_i440fx_machine_options(m); 425 m->alias = "pc"; 426 m->is_default = 1; 427 pcmc->default_cpu_version = 1; 428 } 429 430 DEFINE_I440FX_MACHINE(v4_2, "pc-i440fx-4.2", NULL, 431 pc_i440fx_4_2_machine_options); 432 433 static void pc_i440fx_4_1_machine_options(MachineClass *m) 434 { 435 pc_i440fx_4_2_machine_options(m); 436 m->alias = NULL; 437 m->is_default = 0; 438 compat_props_add(m->compat_props, hw_compat_4_1, hw_compat_4_1_len); 439 compat_props_add(m->compat_props, pc_compat_4_1, pc_compat_4_1_len); 440 } 441 442 DEFINE_I440FX_MACHINE(v4_1, "pc-i440fx-4.1", NULL, 443 pc_i440fx_4_1_machine_options); 444 445 static void pc_i440fx_4_0_machine_options(MachineClass *m) 446 { 447 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 448 pc_i440fx_4_1_machine_options(m); 449 m->alias = NULL; 450 m->is_default = 0; 451 pcmc->default_cpu_version = CPU_VERSION_LEGACY; 452 compat_props_add(m->compat_props, hw_compat_4_0, hw_compat_4_0_len); 453 compat_props_add(m->compat_props, pc_compat_4_0, pc_compat_4_0_len); 454 } 455 456 DEFINE_I440FX_MACHINE(v4_0, "pc-i440fx-4.0", NULL, 457 pc_i440fx_4_0_machine_options); 458 459 static void pc_i440fx_3_1_machine_options(MachineClass *m) 460 { 461 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 462 463 pc_i440fx_4_0_machine_options(m); 464 m->is_default = 0; 465 pcmc->do_not_add_smb_acpi = true; 466 m->smbus_no_migration_support = true; 467 m->alias = NULL; 468 pcmc->pvh_enabled = false; 469 compat_props_add(m->compat_props, hw_compat_3_1, hw_compat_3_1_len); 470 compat_props_add(m->compat_props, pc_compat_3_1, pc_compat_3_1_len); 471 } 472 473 DEFINE_I440FX_MACHINE(v3_1, "pc-i440fx-3.1", NULL, 474 pc_i440fx_3_1_machine_options); 475 476 static void pc_i440fx_3_0_machine_options(MachineClass *m) 477 { 478 pc_i440fx_3_1_machine_options(m); 479 compat_props_add(m->compat_props, hw_compat_3_0, hw_compat_3_0_len); 480 compat_props_add(m->compat_props, pc_compat_3_0, pc_compat_3_0_len); 481 } 482 483 DEFINE_I440FX_MACHINE(v3_0, "pc-i440fx-3.0", NULL, 484 pc_i440fx_3_0_machine_options); 485 486 static void pc_i440fx_2_12_machine_options(MachineClass *m) 487 { 488 pc_i440fx_3_0_machine_options(m); 489 compat_props_add(m->compat_props, hw_compat_2_12, hw_compat_2_12_len); 490 compat_props_add(m->compat_props, pc_compat_2_12, pc_compat_2_12_len); 491 } 492 493 DEFINE_I440FX_MACHINE(v2_12, "pc-i440fx-2.12", NULL, 494 pc_i440fx_2_12_machine_options); 495 496 static void pc_i440fx_2_11_machine_options(MachineClass *m) 497 { 498 pc_i440fx_2_12_machine_options(m); 499 compat_props_add(m->compat_props, hw_compat_2_11, hw_compat_2_11_len); 500 compat_props_add(m->compat_props, pc_compat_2_11, pc_compat_2_11_len); 501 } 502 503 DEFINE_I440FX_MACHINE(v2_11, "pc-i440fx-2.11", NULL, 504 pc_i440fx_2_11_machine_options); 505 506 static void pc_i440fx_2_10_machine_options(MachineClass *m) 507 { 508 pc_i440fx_2_11_machine_options(m); 509 compat_props_add(m->compat_props, hw_compat_2_10, hw_compat_2_10_len); 510 compat_props_add(m->compat_props, pc_compat_2_10, pc_compat_2_10_len); 511 m->auto_enable_numa_with_memhp = false; 512 } 513 514 DEFINE_I440FX_MACHINE(v2_10, "pc-i440fx-2.10", NULL, 515 pc_i440fx_2_10_machine_options); 516 517 static void pc_i440fx_2_9_machine_options(MachineClass *m) 518 { 519 pc_i440fx_2_10_machine_options(m); 520 compat_props_add(m->compat_props, hw_compat_2_9, hw_compat_2_9_len); 521 compat_props_add(m->compat_props, pc_compat_2_9, pc_compat_2_9_len); 522 m->numa_auto_assign_ram = numa_legacy_auto_assign_ram; 523 } 524 525 DEFINE_I440FX_MACHINE(v2_9, "pc-i440fx-2.9", NULL, 526 pc_i440fx_2_9_machine_options); 527 528 static void pc_i440fx_2_8_machine_options(MachineClass *m) 529 { 530 pc_i440fx_2_9_machine_options(m); 531 compat_props_add(m->compat_props, hw_compat_2_8, hw_compat_2_8_len); 532 compat_props_add(m->compat_props, pc_compat_2_8, pc_compat_2_8_len); 533 } 534 535 DEFINE_I440FX_MACHINE(v2_8, "pc-i440fx-2.8", NULL, 536 pc_i440fx_2_8_machine_options); 537 538 static void pc_i440fx_2_7_machine_options(MachineClass *m) 539 { 540 pc_i440fx_2_8_machine_options(m); 541 compat_props_add(m->compat_props, hw_compat_2_7, hw_compat_2_7_len); 542 compat_props_add(m->compat_props, pc_compat_2_7, pc_compat_2_7_len); 543 } 544 545 DEFINE_I440FX_MACHINE(v2_7, "pc-i440fx-2.7", NULL, 546 pc_i440fx_2_7_machine_options); 547 548 static void pc_i440fx_2_6_machine_options(MachineClass *m) 549 { 550 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 551 552 pc_i440fx_2_7_machine_options(m); 553 pcmc->legacy_cpu_hotplug = true; 554 pcmc->linuxboot_dma_enabled = false; 555 compat_props_add(m->compat_props, hw_compat_2_6, hw_compat_2_6_len); 556 compat_props_add(m->compat_props, pc_compat_2_6, pc_compat_2_6_len); 557 } 558 559 DEFINE_I440FX_MACHINE(v2_6, "pc-i440fx-2.6", NULL, 560 pc_i440fx_2_6_machine_options); 561 562 static void pc_i440fx_2_5_machine_options(MachineClass *m) 563 { 564 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 565 566 pc_i440fx_2_6_machine_options(m); 567 pcmc->save_tsc_khz = false; 568 m->legacy_fw_cfg_order = 1; 569 compat_props_add(m->compat_props, hw_compat_2_5, hw_compat_2_5_len); 570 compat_props_add(m->compat_props, pc_compat_2_5, pc_compat_2_5_len); 571 } 572 573 DEFINE_I440FX_MACHINE(v2_5, "pc-i440fx-2.5", NULL, 574 pc_i440fx_2_5_machine_options); 575 576 static void pc_i440fx_2_4_machine_options(MachineClass *m) 577 { 578 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 579 580 pc_i440fx_2_5_machine_options(m); 581 m->hw_version = "2.4.0"; 582 pcmc->broken_reserved_end = true; 583 compat_props_add(m->compat_props, hw_compat_2_4, hw_compat_2_4_len); 584 compat_props_add(m->compat_props, pc_compat_2_4, pc_compat_2_4_len); 585 } 586 587 DEFINE_I440FX_MACHINE(v2_4, "pc-i440fx-2.4", NULL, 588 pc_i440fx_2_4_machine_options) 589 590 static void pc_i440fx_2_3_machine_options(MachineClass *m) 591 { 592 pc_i440fx_2_4_machine_options(m); 593 m->hw_version = "2.3.0"; 594 compat_props_add(m->compat_props, hw_compat_2_3, hw_compat_2_3_len); 595 compat_props_add(m->compat_props, pc_compat_2_3, pc_compat_2_3_len); 596 } 597 598 DEFINE_I440FX_MACHINE(v2_3, "pc-i440fx-2.3", pc_compat_2_3_fn, 599 pc_i440fx_2_3_machine_options); 600 601 static void pc_i440fx_2_2_machine_options(MachineClass *m) 602 { 603 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 604 605 pc_i440fx_2_3_machine_options(m); 606 m->hw_version = "2.2.0"; 607 m->default_machine_opts = "firmware=bios-256k.bin,suppress-vmdesc=on"; 608 compat_props_add(m->compat_props, hw_compat_2_2, hw_compat_2_2_len); 609 compat_props_add(m->compat_props, pc_compat_2_2, pc_compat_2_2_len); 610 pcmc->rsdp_in_ram = false; 611 } 612 613 DEFINE_I440FX_MACHINE(v2_2, "pc-i440fx-2.2", pc_compat_2_2_fn, 614 pc_i440fx_2_2_machine_options); 615 616 static void pc_i440fx_2_1_machine_options(MachineClass *m) 617 { 618 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 619 620 pc_i440fx_2_2_machine_options(m); 621 m->hw_version = "2.1.0"; 622 m->default_display = NULL; 623 compat_props_add(m->compat_props, hw_compat_2_1, hw_compat_2_1_len); 624 compat_props_add(m->compat_props, pc_compat_2_1, pc_compat_2_1_len); 625 pcmc->smbios_uuid_encoded = false; 626 pcmc->enforce_aligned_dimm = false; 627 } 628 629 DEFINE_I440FX_MACHINE(v2_1, "pc-i440fx-2.1", pc_compat_2_1_fn, 630 pc_i440fx_2_1_machine_options); 631 632 static void pc_i440fx_2_0_machine_options(MachineClass *m) 633 { 634 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 635 636 pc_i440fx_2_1_machine_options(m); 637 m->hw_version = "2.0.0"; 638 compat_props_add(m->compat_props, pc_compat_2_0, pc_compat_2_0_len); 639 pcmc->smbios_legacy_mode = true; 640 pcmc->has_reserved_memory = false; 641 /* This value depends on the actual DSDT and SSDT compiled into 642 * the source QEMU; unfortunately it depends on the binary and 643 * not on the machine type, so we cannot make pc-i440fx-1.7 work on 644 * both QEMU 1.7 and QEMU 2.0. 645 * 646 * Large variations cause migration to fail for more than one 647 * consecutive value of the "-smp" maxcpus option. 648 * 649 * For small variations of the kind caused by different iasl versions, 650 * the 4k rounding usually leaves slack. However, there could be still 651 * one or two values that break. For QEMU 1.7 and QEMU 2.0 the 652 * slack is only ~10 bytes before one "-smp maxcpus" value breaks! 653 * 654 * 6652 is valid for QEMU 2.0, the right value for pc-i440fx-1.7 on 655 * QEMU 1.7 it is 6414. For RHEL/CentOS 7.0 it is 6418. 656 */ 657 pcmc->legacy_acpi_table_size = 6652; 658 pcmc->acpi_data_size = 0x10000; 659 } 660 661 DEFINE_I440FX_MACHINE(v2_0, "pc-i440fx-2.0", pc_compat_2_0_fn, 662 pc_i440fx_2_0_machine_options); 663 664 static void pc_i440fx_1_7_machine_options(MachineClass *m) 665 { 666 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 667 668 pc_i440fx_2_0_machine_options(m); 669 m->hw_version = "1.7.0"; 670 m->default_machine_opts = NULL; 671 m->option_rom_has_mr = true; 672 compat_props_add(m->compat_props, pc_compat_1_7, pc_compat_1_7_len); 673 pcmc->smbios_defaults = false; 674 pcmc->gigabyte_align = false; 675 pcmc->legacy_acpi_table_size = 6414; 676 } 677 678 DEFINE_I440FX_MACHINE(v1_7, "pc-i440fx-1.7", pc_compat_1_7_fn, 679 pc_i440fx_1_7_machine_options); 680 681 static void pc_i440fx_1_6_machine_options(MachineClass *m) 682 { 683 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 684 685 pc_i440fx_1_7_machine_options(m); 686 m->hw_version = "1.6.0"; 687 m->rom_file_has_mr = false; 688 compat_props_add(m->compat_props, pc_compat_1_6, pc_compat_1_6_len); 689 pcmc->has_acpi_build = false; 690 } 691 692 DEFINE_I440FX_MACHINE(v1_6, "pc-i440fx-1.6", pc_compat_1_6_fn, 693 pc_i440fx_1_6_machine_options); 694 695 static void pc_i440fx_1_5_machine_options(MachineClass *m) 696 { 697 pc_i440fx_1_6_machine_options(m); 698 m->hw_version = "1.5.0"; 699 compat_props_add(m->compat_props, pc_compat_1_5, pc_compat_1_5_len); 700 } 701 702 DEFINE_I440FX_MACHINE(v1_5, "pc-i440fx-1.5", pc_compat_1_5_fn, 703 pc_i440fx_1_5_machine_options); 704 705 static void pc_i440fx_1_4_machine_options(MachineClass *m) 706 { 707 pc_i440fx_1_5_machine_options(m); 708 m->hw_version = "1.4.0"; 709 m->hot_add_cpu = NULL; 710 compat_props_add(m->compat_props, pc_compat_1_4, pc_compat_1_4_len); 711 } 712 713 DEFINE_I440FX_MACHINE(v1_4, "pc-i440fx-1.4", pc_compat_1_4_fn, 714 pc_i440fx_1_4_machine_options); 715 716 static void pc_i440fx_1_3_machine_options(MachineClass *m) 717 { 718 X86MachineClass *x86mc = X86_MACHINE_CLASS(m); 719 static GlobalProperty compat[] = { 720 PC_CPU_MODEL_IDS("1.3.0") 721 { "usb-tablet", "usb_version", "1" }, 722 { "virtio-net-pci", "ctrl_mac_addr", "off" }, 723 { "virtio-net-pci", "mq", "off" }, 724 { "e1000", "autonegotiation", "off" }, 725 }; 726 727 pc_i440fx_1_4_machine_options(m); 728 m->hw_version = "1.3.0"; 729 x86mc->compat_apic_id_mode = true; 730 compat_props_add(m->compat_props, compat, G_N_ELEMENTS(compat)); 731 } 732 733 DEFINE_I440FX_MACHINE(v1_3, "pc-1.3", pc_compat_1_3, 734 pc_i440fx_1_3_machine_options); 735 736 737 static void pc_i440fx_1_2_machine_options(MachineClass *m) 738 { 739 static GlobalProperty compat[] = { 740 PC_CPU_MODEL_IDS("1.2.0") 741 { "nec-usb-xhci", "msi", "off" }, 742 { "nec-usb-xhci", "msix", "off" }, 743 { "qxl", "revision", "3" }, 744 { "qxl-vga", "revision", "3" }, 745 { "VGA", "mmio", "off" }, 746 }; 747 748 pc_i440fx_1_3_machine_options(m); 749 m->hw_version = "1.2.0"; 750 compat_props_add(m->compat_props, compat, G_N_ELEMENTS(compat)); 751 } 752 753 DEFINE_I440FX_MACHINE(v1_2, "pc-1.2", pc_compat_1_2, 754 pc_i440fx_1_2_machine_options); 755 756 757 static void pc_i440fx_1_1_machine_options(MachineClass *m) 758 { 759 static GlobalProperty compat[] = { 760 PC_CPU_MODEL_IDS("1.1.0") 761 { "virtio-scsi-pci", "hotplug", "off" }, 762 { "virtio-scsi-pci", "param_change", "off" }, 763 { "VGA", "vgamem_mb", "8" }, 764 { "vmware-svga", "vgamem_mb", "8" }, 765 { "qxl-vga", "vgamem_mb", "8" }, 766 { "qxl", "vgamem_mb", "8" }, 767 { "virtio-blk-pci", "config-wce", "off" }, 768 }; 769 770 pc_i440fx_1_2_machine_options(m); 771 m->hw_version = "1.1.0"; 772 compat_props_add(m->compat_props, compat, G_N_ELEMENTS(compat)); 773 } 774 775 DEFINE_I440FX_MACHINE(v1_1, "pc-1.1", pc_compat_1_2, 776 pc_i440fx_1_1_machine_options); 777 778 static void pc_i440fx_1_0_machine_options(MachineClass *m) 779 { 780 static GlobalProperty compat[] = { 781 PC_CPU_MODEL_IDS("1.0") 782 { TYPE_ISA_FDC, "check_media_rate", "off" }, 783 { "virtio-balloon-pci", "class", stringify(PCI_CLASS_MEMORY_RAM) }, 784 { "apic-common", "vapic", "off" }, 785 { TYPE_USB_DEVICE, "full-path", "no" }, 786 }; 787 788 pc_i440fx_1_1_machine_options(m); 789 m->hw_version = "1.0"; 790 compat_props_add(m->compat_props, compat, G_N_ELEMENTS(compat)); 791 } 792 793 DEFINE_I440FX_MACHINE(v1_0, "pc-1.0", pc_compat_1_2, 794 pc_i440fx_1_0_machine_options); 795 796 797 static void pc_i440fx_0_15_machine_options(MachineClass *m) 798 { 799 static GlobalProperty compat[] = { 800 PC_CPU_MODEL_IDS("0.15") 801 }; 802 803 pc_i440fx_1_0_machine_options(m); 804 m->hw_version = "0.15"; 805 m->deprecation_reason = "use a newer machine type instead"; 806 compat_props_add(m->compat_props, compat, G_N_ELEMENTS(compat)); 807 } 808 809 DEFINE_I440FX_MACHINE(v0_15, "pc-0.15", pc_compat_1_2, 810 pc_i440fx_0_15_machine_options); 811 812 813 static void pc_i440fx_0_14_machine_options(MachineClass *m) 814 { 815 static GlobalProperty compat[] = { 816 PC_CPU_MODEL_IDS("0.14") 817 { "virtio-blk-pci", "event_idx", "off" }, 818 { "virtio-serial-pci", "event_idx", "off" }, 819 { "virtio-net-pci", "event_idx", "off" }, 820 { "virtio-balloon-pci", "event_idx", "off" }, 821 { "qxl", "revision", "2" }, 822 { "qxl-vga", "revision", "2" }, 823 }; 824 825 pc_i440fx_0_15_machine_options(m); 826 m->hw_version = "0.14"; 827 compat_props_add(m->compat_props, compat, G_N_ELEMENTS(compat)); 828 } 829 830 DEFINE_I440FX_MACHINE(v0_14, "pc-0.14", pc_compat_1_2, 831 pc_i440fx_0_14_machine_options); 832 833 static void pc_i440fx_0_13_machine_options(MachineClass *m) 834 { 835 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 836 static GlobalProperty compat[] = { 837 PC_CPU_MODEL_IDS("0.13") 838 { TYPE_PCI_DEVICE, "command_serr_enable", "off" }, 839 { "AC97", "use_broken_id", "1" }, 840 { "virtio-9p-pci", "vectors", "0" }, 841 { "VGA", "rombar", "0" }, 842 { "vmware-svga", "rombar", "0" }, 843 }; 844 845 pc_i440fx_0_14_machine_options(m); 846 m->hw_version = "0.13"; 847 compat_props_add(m->compat_props, compat, G_N_ELEMENTS(compat)); 848 pcmc->kvmclock_enabled = false; 849 } 850 851 DEFINE_I440FX_MACHINE(v0_13, "pc-0.13", pc_compat_0_13, 852 pc_i440fx_0_13_machine_options); 853 854 static void pc_i440fx_0_12_machine_options(MachineClass *m) 855 { 856 static GlobalProperty compat[] = { 857 PC_CPU_MODEL_IDS("0.12") 858 { "virtio-serial-pci", "max_ports", "1" }, 859 { "virtio-serial-pci", "vectors", "0" }, 860 { "usb-mouse", "serial", "1" }, 861 { "usb-tablet", "serial", "1" }, 862 { "usb-kbd", "serial", "1" }, 863 }; 864 865 pc_i440fx_0_13_machine_options(m); 866 m->hw_version = "0.12"; 867 compat_props_add(m->compat_props, compat, G_N_ELEMENTS(compat)); 868 } 869 870 DEFINE_I440FX_MACHINE(v0_12, "pc-0.12", pc_compat_0_13, 871 pc_i440fx_0_12_machine_options); 872 873 typedef struct { 874 uint16_t gpu_device_id; 875 uint16_t pch_device_id; 876 uint8_t pch_revision_id; 877 } IGDDeviceIDInfo; 878 879 /* In real world different GPU should have different PCH. But actually 880 * the different PCH DIDs likely map to different PCH SKUs. We do the 881 * same thing for the GPU. For PCH, the different SKUs are going to be 882 * all the same silicon design and implementation, just different 883 * features turn on and off with fuses. The SW interfaces should be 884 * consistent across all SKUs in a given family (eg LPT). But just same 885 * features may not be supported. 886 * 887 * Most of these different PCH features probably don't matter to the 888 * Gfx driver, but obviously any difference in display port connections 889 * will so it should be fine with any PCH in case of passthrough. 890 * 891 * So currently use one PCH version, 0x8c4e, to cover all HSW(Haswell) 892 * scenarios, 0x9cc3 for BDW(Broadwell). 893 */ 894 static const IGDDeviceIDInfo igd_combo_id_infos[] = { 895 /* HSW Classic */ 896 {0x0402, 0x8c4e, 0x04}, /* HSWGT1D, HSWD_w7 */ 897 {0x0406, 0x8c4e, 0x04}, /* HSWGT1M, HSWM_w7 */ 898 {0x0412, 0x8c4e, 0x04}, /* HSWGT2D, HSWD_w7 */ 899 {0x0416, 0x8c4e, 0x04}, /* HSWGT2M, HSWM_w7 */ 900 {0x041E, 0x8c4e, 0x04}, /* HSWGT15D, HSWD_w7 */ 901 /* HSW ULT */ 902 {0x0A06, 0x8c4e, 0x04}, /* HSWGT1UT, HSWM_w7 */ 903 {0x0A16, 0x8c4e, 0x04}, /* HSWGT2UT, HSWM_w7 */ 904 {0x0A26, 0x8c4e, 0x06}, /* HSWGT3UT, HSWM_w7 */ 905 {0x0A2E, 0x8c4e, 0x04}, /* HSWGT3UT28W, HSWM_w7 */ 906 {0x0A1E, 0x8c4e, 0x04}, /* HSWGT2UX, HSWM_w7 */ 907 {0x0A0E, 0x8c4e, 0x04}, /* HSWGT1ULX, HSWM_w7 */ 908 /* HSW CRW */ 909 {0x0D26, 0x8c4e, 0x04}, /* HSWGT3CW, HSWM_w7 */ 910 {0x0D22, 0x8c4e, 0x04}, /* HSWGT3CWDT, HSWD_w7 */ 911 /* HSW Server */ 912 {0x041A, 0x8c4e, 0x04}, /* HSWSVGT2, HSWD_w7 */ 913 /* HSW SRVR */ 914 {0x040A, 0x8c4e, 0x04}, /* HSWSVGT1, HSWD_w7 */ 915 /* BSW */ 916 {0x1606, 0x9cc3, 0x03}, /* BDWULTGT1, BDWM_w7 */ 917 {0x1616, 0x9cc3, 0x03}, /* BDWULTGT2, BDWM_w7 */ 918 {0x1626, 0x9cc3, 0x03}, /* BDWULTGT3, BDWM_w7 */ 919 {0x160E, 0x9cc3, 0x03}, /* BDWULXGT1, BDWM_w7 */ 920 {0x161E, 0x9cc3, 0x03}, /* BDWULXGT2, BDWM_w7 */ 921 {0x1602, 0x9cc3, 0x03}, /* BDWHALOGT1, BDWM_w7 */ 922 {0x1612, 0x9cc3, 0x03}, /* BDWHALOGT2, BDWM_w7 */ 923 {0x1622, 0x9cc3, 0x03}, /* BDWHALOGT3, BDWM_w7 */ 924 {0x162B, 0x9cc3, 0x03}, /* BDWHALO28W, BDWM_w7 */ 925 {0x162A, 0x9cc3, 0x03}, /* BDWGT3WRKS, BDWM_w7 */ 926 {0x162D, 0x9cc3, 0x03}, /* BDWGT3SRVR, BDWM_w7 */ 927 }; 928 929 static void isa_bridge_class_init(ObjectClass *klass, void *data) 930 { 931 DeviceClass *dc = DEVICE_CLASS(klass); 932 PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); 933 934 dc->desc = "ISA bridge faked to support IGD PT"; 935 set_bit(DEVICE_CATEGORY_BRIDGE, dc->categories); 936 k->vendor_id = PCI_VENDOR_ID_INTEL; 937 k->class_id = PCI_CLASS_BRIDGE_ISA; 938 }; 939 940 static TypeInfo isa_bridge_info = { 941 .name = "igd-passthrough-isa-bridge", 942 .parent = TYPE_PCI_DEVICE, 943 .instance_size = sizeof(PCIDevice), 944 .class_init = isa_bridge_class_init, 945 .interfaces = (InterfaceInfo[]) { 946 { INTERFACE_CONVENTIONAL_PCI_DEVICE }, 947 { }, 948 }, 949 }; 950 951 static void pt_graphics_register_types(void) 952 { 953 type_register_static(&isa_bridge_info); 954 } 955 type_init(pt_graphics_register_types) 956 957 void igd_passthrough_isa_bridge_create(PCIBus *bus, uint16_t gpu_dev_id) 958 { 959 struct PCIDevice *bridge_dev; 960 int i, num; 961 uint16_t pch_dev_id = 0xffff; 962 uint8_t pch_rev_id; 963 964 num = ARRAY_SIZE(igd_combo_id_infos); 965 for (i = 0; i < num; i++) { 966 if (gpu_dev_id == igd_combo_id_infos[i].gpu_device_id) { 967 pch_dev_id = igd_combo_id_infos[i].pch_device_id; 968 pch_rev_id = igd_combo_id_infos[i].pch_revision_id; 969 } 970 } 971 972 if (pch_dev_id == 0xffff) { 973 return; 974 } 975 976 /* Currently IGD drivers always need to access PCH by 1f.0. */ 977 bridge_dev = pci_create_simple(bus, PCI_DEVFN(0x1f, 0), 978 "igd-passthrough-isa-bridge"); 979 980 /* 981 * Note that vendor id is always PCI_VENDOR_ID_INTEL. 982 */ 983 if (!bridge_dev) { 984 fprintf(stderr, "set igd-passthrough-isa-bridge failed!\n"); 985 return; 986 } 987 pci_config_set_device_id(bridge_dev->config, pch_dev_id); 988 pci_config_set_revision(bridge_dev->config, pch_rev_id); 989 } 990 991 static void isapc_machine_options(MachineClass *m) 992 { 993 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 994 m->desc = "ISA-only PC"; 995 m->max_cpus = 1; 996 m->option_rom_has_mr = true; 997 m->rom_file_has_mr = false; 998 pcmc->pci_enabled = false; 999 pcmc->has_acpi_build = false; 1000 pcmc->smbios_defaults = false; 1001 pcmc->gigabyte_align = false; 1002 pcmc->smbios_legacy_mode = true; 1003 pcmc->has_reserved_memory = false; 1004 pcmc->default_nic_model = "ne2k_isa"; 1005 m->default_cpu_type = X86_CPU_TYPE_NAME("486"); 1006 } 1007 1008 DEFINE_PC_MACHINE(isapc, "isapc", pc_init_isa, 1009 isapc_machine_options); 1010 1011 1012 #ifdef CONFIG_XEN 1013 static void xenfv_machine_options(MachineClass *m) 1014 { 1015 m->desc = "Xen Fully-virtualized PC"; 1016 m->max_cpus = HVM_MAX_VCPUS; 1017 m->default_machine_opts = "accel=xen"; 1018 } 1019 1020 DEFINE_PC_MACHINE(xenfv, "xenfv", pc_xen_hvm_init, 1021 xenfv_machine_options); 1022 #endif 1023