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/display/ramfb.h" 34 #include "hw/firmware/smbios.h" 35 #include "hw/pci/pci.h" 36 #include "hw/pci/pci_ids.h" 37 #include "hw/usb.h" 38 #include "net/net.h" 39 #include "hw/ide.h" 40 #include "hw/irq.h" 41 #include "sysemu/kvm.h" 42 #include "hw/kvm/clock.h" 43 #include "sysemu/sysemu.h" 44 #include "hw/sysbus.h" 45 #include "sysemu/arch_init.h" 46 #include "hw/i2c/smbus_eeprom.h" 47 #include "hw/xen/xen.h" 48 #include "exec/memory.h" 49 #include "exec/address-spaces.h" 50 #include "hw/acpi/acpi.h" 51 #include "cpu.h" 52 #include "qapi/error.h" 53 #include "qemu/error-report.h" 54 #ifdef CONFIG_XEN 55 #include <xen/hvm/hvm_info_table.h> 56 #include "hw/xen/xen_pt.h" 57 #endif 58 #include "migration/global_state.h" 59 #include "migration/misc.h" 60 #include "sysemu/numa.h" 61 62 #define MAX_IDE_BUS 2 63 64 #ifdef CONFIG_IDE_ISA 65 static const int ide_iobase[MAX_IDE_BUS] = { 0x1f0, 0x170 }; 66 static const int ide_iobase2[MAX_IDE_BUS] = { 0x3f6, 0x376 }; 67 static const int ide_irq[MAX_IDE_BUS] = { 14, 15 }; 68 #endif 69 70 /* PC hardware initialisation */ 71 static void pc_init1(MachineState *machine, 72 const char *host_type, const char *pci_type) 73 { 74 PCMachineState *pcms = PC_MACHINE(machine); 75 PCMachineClass *pcmc = PC_MACHINE_GET_CLASS(pcms); 76 X86MachineState *x86ms = X86_MACHINE(machine); 77 MemoryRegion *system_memory = get_system_memory(); 78 MemoryRegion *system_io = get_system_io(); 79 int i; 80 PCIBus *pci_bus; 81 ISABus *isa_bus; 82 PCII440FXState *i440fx_state; 83 int piix3_devfn = -1; 84 qemu_irq smi_irq; 85 GSIState *gsi_state; 86 DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS]; 87 BusState *idebus[MAX_IDE_BUS]; 88 ISADevice *rtc_state; 89 MemoryRegion *ram_memory; 90 MemoryRegion *pci_memory; 91 MemoryRegion *rom_memory; 92 ram_addr_t lowmem; 93 94 /* 95 * Calculate ram split, for memory below and above 4G. It's a bit 96 * complicated for backward compatibility reasons ... 97 * 98 * - Traditional split is 3.5G (lowmem = 0xe0000000). This is the 99 * default value for max_ram_below_4g now. 100 * 101 * - Then, to gigabyte align the memory, we move the split to 3G 102 * (lowmem = 0xc0000000). But only in case we have to split in 103 * the first place, i.e. ram_size is larger than (traditional) 104 * lowmem. And for new machine types (gigabyte_align = true) 105 * only, for live migration compatibility reasons. 106 * 107 * - Next the max-ram-below-4g option was added, which allowed to 108 * reduce lowmem to a smaller value, to allow a larger PCI I/O 109 * window below 4G. qemu doesn't enforce gigabyte alignment here, 110 * but prints a warning. 111 * 112 * - Finally max-ram-below-4g got updated to also allow raising lowmem, 113 * so legacy non-PAE guests can get as much memory as possible in 114 * the 32bit address space below 4G. 115 * 116 * - Note that Xen has its own ram setp code in xen_ram_init(), 117 * called via xen_hvm_init(). 118 * 119 * Examples: 120 * qemu -M pc-1.7 -m 4G (old default) -> 3584M low, 512M high 121 * qemu -M pc -m 4G (new default) -> 3072M low, 1024M high 122 * qemu -M pc,max-ram-below-4g=2G -m 4G -> 2048M low, 2048M high 123 * qemu -M pc,max-ram-below-4g=4G -m 3968M -> 3968M low (=4G-128M) 124 */ 125 if (xen_enabled()) { 126 xen_hvm_init(pcms, &ram_memory); 127 } else { 128 if (!x86ms->max_ram_below_4g) { 129 x86ms->max_ram_below_4g = 0xe0000000; /* default: 3.5G */ 130 } 131 lowmem = x86ms->max_ram_below_4g; 132 if (machine->ram_size >= x86ms->max_ram_below_4g) { 133 if (pcmc->gigabyte_align) { 134 if (lowmem > 0xc0000000) { 135 lowmem = 0xc0000000; 136 } 137 if (lowmem & (1 * GiB - 1)) { 138 warn_report("Large machine and max_ram_below_4g " 139 "(%" PRIu64 ") not a multiple of 1G; " 140 "possible bad performance.", 141 x86ms->max_ram_below_4g); 142 } 143 } 144 } 145 146 if (machine->ram_size >= lowmem) { 147 x86ms->above_4g_mem_size = machine->ram_size - lowmem; 148 x86ms->below_4g_mem_size = lowmem; 149 } else { 150 x86ms->above_4g_mem_size = 0; 151 x86ms->below_4g_mem_size = machine->ram_size; 152 } 153 } 154 155 x86_cpus_init(x86ms, pcmc->default_cpu_version); 156 157 if (kvm_enabled() && pcmc->kvmclock_enabled) { 158 kvmclock_create(); 159 } 160 161 if (pcmc->pci_enabled) { 162 pci_memory = g_new(MemoryRegion, 1); 163 memory_region_init(pci_memory, NULL, "pci", UINT64_MAX); 164 rom_memory = pci_memory; 165 } else { 166 pci_memory = NULL; 167 rom_memory = system_memory; 168 } 169 170 pc_guest_info_init(pcms); 171 172 if (pcmc->smbios_defaults) { 173 MachineClass *mc = MACHINE_GET_CLASS(machine); 174 /* These values are guest ABI, do not change */ 175 smbios_set_defaults("QEMU", "Standard PC (i440FX + PIIX, 1996)", 176 mc->name, pcmc->smbios_legacy_mode, 177 pcmc->smbios_uuid_encoded, 178 SMBIOS_ENTRY_POINT_21); 179 } 180 181 /* allocate ram and load rom/bios */ 182 if (!xen_enabled()) { 183 pc_memory_init(pcms, system_memory, 184 rom_memory, &ram_memory); 185 } else if (machine->kernel_filename != NULL) { 186 /* For xen HVM direct kernel boot, load linux here */ 187 xen_load_linux(pcms); 188 } 189 190 gsi_state = pc_gsi_create(&x86ms->gsi, pcmc->pci_enabled); 191 192 if (pcmc->pci_enabled) { 193 pci_bus = i440fx_init(host_type, 194 pci_type, 195 &i440fx_state, &piix3_devfn, &isa_bus, x86ms->gsi, 196 system_memory, system_io, machine->ram_size, 197 x86ms->below_4g_mem_size, 198 x86ms->above_4g_mem_size, 199 pci_memory, ram_memory); 200 pcms->bus = pci_bus; 201 } else { 202 pci_bus = NULL; 203 i440fx_state = NULL; 204 isa_bus = isa_bus_new(NULL, get_system_memory(), system_io, 205 &error_abort); 206 no_hpet = 1; 207 } 208 isa_bus_irqs(isa_bus, x86ms->gsi); 209 210 pc_i8259_create(isa_bus, gsi_state->i8259_irq); 211 212 if (pcmc->pci_enabled) { 213 ioapic_init_gsi(gsi_state, "i440fx"); 214 } 215 216 if (tcg_enabled()) { 217 x86_register_ferr_irq(x86ms->gsi[13]); 218 } 219 220 pc_vga_init(isa_bus, pcmc->pci_enabled ? pci_bus : NULL); 221 222 assert(pcms->vmport != ON_OFF_AUTO__MAX); 223 if (pcms->vmport == ON_OFF_AUTO_AUTO) { 224 pcms->vmport = xen_enabled() ? ON_OFF_AUTO_OFF : ON_OFF_AUTO_ON; 225 } 226 227 /* init basic PC hardware */ 228 pc_basic_device_init(isa_bus, x86ms->gsi, &rtc_state, true, 229 (pcms->vmport != ON_OFF_AUTO_ON), pcms->pit_enabled, 230 0x4); 231 232 pc_nic_init(pcmc, isa_bus, pci_bus); 233 234 ide_drive_get(hd, ARRAY_SIZE(hd)); 235 if (pcmc->pci_enabled) { 236 PCIDevice *dev; 237 if (xen_enabled()) { 238 dev = pci_piix3_xen_ide_init(pci_bus, hd, piix3_devfn + 1); 239 } else { 240 dev = pci_piix3_ide_init(pci_bus, hd, piix3_devfn + 1); 241 } 242 idebus[0] = qdev_get_child_bus(&dev->qdev, "ide.0"); 243 idebus[1] = qdev_get_child_bus(&dev->qdev, "ide.1"); 244 pc_cmos_init(pcms, idebus[0], idebus[1], rtc_state); 245 } 246 #ifdef CONFIG_IDE_ISA 247 else { 248 for(i = 0; i < MAX_IDE_BUS; i++) { 249 ISADevice *dev; 250 char busname[] = "ide.0"; 251 dev = isa_ide_init(isa_bus, ide_iobase[i], ide_iobase2[i], 252 ide_irq[i], 253 hd[MAX_IDE_DEVS * i], hd[MAX_IDE_DEVS * i + 1]); 254 /* 255 * The ide bus name is ide.0 for the first bus and ide.1 for the 256 * second one. 257 */ 258 busname[4] = '0' + i; 259 idebus[i] = qdev_get_child_bus(DEVICE(dev), busname); 260 } 261 pc_cmos_init(pcms, idebus[0], idebus[1], rtc_state); 262 } 263 #endif 264 265 if (pcmc->pci_enabled && machine_usb(machine)) { 266 pci_create_simple(pci_bus, piix3_devfn + 2, "piix3-usb-uhci"); 267 } 268 269 if (pcmc->pci_enabled && acpi_enabled) { 270 DeviceState *piix4_pm; 271 272 smi_irq = qemu_allocate_irq(pc_acpi_smi_interrupt, first_cpu, 0); 273 /* TODO: Populate SPD eeprom data. */ 274 pcms->smbus = piix4_pm_init(pci_bus, piix3_devfn + 3, 0xb100, 275 x86ms->gsi[9], smi_irq, 276 pc_machine_is_smm_enabled(pcms), 277 &piix4_pm); 278 smbus_eeprom_init(pcms->smbus, 8, NULL, 0); 279 280 object_property_add_link(OBJECT(machine), PC_MACHINE_ACPI_DEVICE_PROP, 281 TYPE_HOTPLUG_HANDLER, 282 (Object **)&pcms->acpi_dev, 283 object_property_allow_set_link, 284 OBJ_PROP_LINK_STRONG, &error_abort); 285 object_property_set_link(OBJECT(machine), OBJECT(piix4_pm), 286 PC_MACHINE_ACPI_DEVICE_PROP, &error_abort); 287 } 288 289 if (machine->nvdimms_state->is_enabled) { 290 nvdimm_init_acpi_state(machine->nvdimms_state, system_io, 291 x86ms->fw_cfg, OBJECT(pcms)); 292 } 293 } 294 295 /* Looking for a pc_compat_2_4() function? It doesn't exist. 296 * pc_compat_*() functions that run on machine-init time and 297 * change global QEMU state are deprecated. Please don't create 298 * one, and implement any pc-*-2.4 (and newer) compat code in 299 * hw_compat_*, pc_compat_*, or * pc_*_machine_options(). 300 */ 301 302 static void pc_compat_2_3_fn(MachineState *machine) 303 { 304 PCMachineState *pcms = PC_MACHINE(machine); 305 if (kvm_enabled()) { 306 pcms->smm = ON_OFF_AUTO_OFF; 307 } 308 } 309 310 static void pc_compat_2_2_fn(MachineState *machine) 311 { 312 pc_compat_2_3_fn(machine); 313 } 314 315 static void pc_compat_2_1_fn(MachineState *machine) 316 { 317 pc_compat_2_2_fn(machine); 318 x86_cpu_change_kvm_default("svm", NULL); 319 } 320 321 static void pc_compat_2_0_fn(MachineState *machine) 322 { 323 pc_compat_2_1_fn(machine); 324 } 325 326 static void pc_compat_1_7_fn(MachineState *machine) 327 { 328 pc_compat_2_0_fn(machine); 329 x86_cpu_change_kvm_default("x2apic", NULL); 330 } 331 332 static void pc_compat_1_6_fn(MachineState *machine) 333 { 334 pc_compat_1_7_fn(machine); 335 } 336 337 static void pc_compat_1_5_fn(MachineState *machine) 338 { 339 pc_compat_1_6_fn(machine); 340 } 341 342 static void pc_compat_1_4_fn(MachineState *machine) 343 { 344 pc_compat_1_5_fn(machine); 345 } 346 347 static void pc_compat_1_3(MachineState *machine) 348 { 349 pc_compat_1_4_fn(machine); 350 } 351 352 /* PC compat function for pc-0.14 to pc-1.2 */ 353 static void pc_compat_1_2(MachineState *machine) 354 { 355 pc_compat_1_3(machine); 356 x86_cpu_change_kvm_default("kvm-pv-eoi", NULL); 357 } 358 359 /* PC compat function for pc-0.12 and pc-0.13 */ 360 static void pc_compat_0_13(MachineState *machine) 361 { 362 pc_compat_1_2(machine); 363 } 364 365 static void pc_init_isa(MachineState *machine) 366 { 367 pc_init1(machine, TYPE_I440FX_PCI_HOST_BRIDGE, TYPE_I440FX_PCI_DEVICE); 368 } 369 370 #ifdef CONFIG_XEN 371 static void pc_xen_hvm_init_pci(MachineState *machine) 372 { 373 const char *pci_type = has_igd_gfx_passthru ? 374 TYPE_IGD_PASSTHROUGH_I440FX_PCI_DEVICE : TYPE_I440FX_PCI_DEVICE; 375 376 pc_init1(machine, 377 TYPE_I440FX_PCI_HOST_BRIDGE, 378 pci_type); 379 } 380 381 static void pc_xen_hvm_init(MachineState *machine) 382 { 383 PCMachineState *pcms = PC_MACHINE(machine); 384 385 if (!xen_enabled()) { 386 error_report("xenfv machine requires the xen accelerator"); 387 exit(1); 388 } 389 390 pc_xen_hvm_init_pci(machine); 391 pci_create_simple(pcms->bus, -1, "xen-platform"); 392 } 393 #endif 394 395 #define DEFINE_I440FX_MACHINE(suffix, name, compatfn, optionfn) \ 396 static void pc_init_##suffix(MachineState *machine) \ 397 { \ 398 void (*compat)(MachineState *m) = (compatfn); \ 399 if (compat) { \ 400 compat(machine); \ 401 } \ 402 pc_init1(machine, TYPE_I440FX_PCI_HOST_BRIDGE, \ 403 TYPE_I440FX_PCI_DEVICE); \ 404 } \ 405 DEFINE_PC_MACHINE(suffix, name, pc_init_##suffix, optionfn) 406 407 static void pc_i440fx_machine_options(MachineClass *m) 408 { 409 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 410 pcmc->default_nic_model = "e1000"; 411 412 m->family = "pc_piix"; 413 m->desc = "Standard PC (i440FX + PIIX, 1996)"; 414 m->default_machine_opts = "firmware=bios-256k.bin"; 415 m->default_display = "std"; 416 machine_class_allow_dynamic_sysbus_dev(m, TYPE_RAMFB_DEVICE); 417 } 418 419 static void pc_i440fx_4_2_machine_options(MachineClass *m) 420 { 421 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 422 pc_i440fx_machine_options(m); 423 m->alias = "pc"; 424 m->is_default = 1; 425 pcmc->default_cpu_version = 1; 426 } 427 428 DEFINE_I440FX_MACHINE(v4_2, "pc-i440fx-4.2", NULL, 429 pc_i440fx_4_2_machine_options); 430 431 static void pc_i440fx_4_1_machine_options(MachineClass *m) 432 { 433 pc_i440fx_4_2_machine_options(m); 434 m->alias = NULL; 435 m->is_default = 0; 436 compat_props_add(m->compat_props, hw_compat_4_1, hw_compat_4_1_len); 437 compat_props_add(m->compat_props, pc_compat_4_1, pc_compat_4_1_len); 438 } 439 440 DEFINE_I440FX_MACHINE(v4_1, "pc-i440fx-4.1", NULL, 441 pc_i440fx_4_1_machine_options); 442 443 static void pc_i440fx_4_0_machine_options(MachineClass *m) 444 { 445 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 446 pc_i440fx_4_1_machine_options(m); 447 m->alias = NULL; 448 m->is_default = 0; 449 pcmc->default_cpu_version = CPU_VERSION_LEGACY; 450 compat_props_add(m->compat_props, hw_compat_4_0, hw_compat_4_0_len); 451 compat_props_add(m->compat_props, pc_compat_4_0, pc_compat_4_0_len); 452 } 453 454 DEFINE_I440FX_MACHINE(v4_0, "pc-i440fx-4.0", NULL, 455 pc_i440fx_4_0_machine_options); 456 457 static void pc_i440fx_3_1_machine_options(MachineClass *m) 458 { 459 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 460 461 pc_i440fx_4_0_machine_options(m); 462 m->is_default = 0; 463 pcmc->do_not_add_smb_acpi = true; 464 m->smbus_no_migration_support = true; 465 m->alias = NULL; 466 pcmc->pvh_enabled = false; 467 compat_props_add(m->compat_props, hw_compat_3_1, hw_compat_3_1_len); 468 compat_props_add(m->compat_props, pc_compat_3_1, pc_compat_3_1_len); 469 } 470 471 DEFINE_I440FX_MACHINE(v3_1, "pc-i440fx-3.1", NULL, 472 pc_i440fx_3_1_machine_options); 473 474 static void pc_i440fx_3_0_machine_options(MachineClass *m) 475 { 476 pc_i440fx_3_1_machine_options(m); 477 compat_props_add(m->compat_props, hw_compat_3_0, hw_compat_3_0_len); 478 compat_props_add(m->compat_props, pc_compat_3_0, pc_compat_3_0_len); 479 } 480 481 DEFINE_I440FX_MACHINE(v3_0, "pc-i440fx-3.0", NULL, 482 pc_i440fx_3_0_machine_options); 483 484 static void pc_i440fx_2_12_machine_options(MachineClass *m) 485 { 486 pc_i440fx_3_0_machine_options(m); 487 compat_props_add(m->compat_props, hw_compat_2_12, hw_compat_2_12_len); 488 compat_props_add(m->compat_props, pc_compat_2_12, pc_compat_2_12_len); 489 } 490 491 DEFINE_I440FX_MACHINE(v2_12, "pc-i440fx-2.12", NULL, 492 pc_i440fx_2_12_machine_options); 493 494 static void pc_i440fx_2_11_machine_options(MachineClass *m) 495 { 496 pc_i440fx_2_12_machine_options(m); 497 compat_props_add(m->compat_props, hw_compat_2_11, hw_compat_2_11_len); 498 compat_props_add(m->compat_props, pc_compat_2_11, pc_compat_2_11_len); 499 } 500 501 DEFINE_I440FX_MACHINE(v2_11, "pc-i440fx-2.11", NULL, 502 pc_i440fx_2_11_machine_options); 503 504 static void pc_i440fx_2_10_machine_options(MachineClass *m) 505 { 506 pc_i440fx_2_11_machine_options(m); 507 compat_props_add(m->compat_props, hw_compat_2_10, hw_compat_2_10_len); 508 compat_props_add(m->compat_props, pc_compat_2_10, pc_compat_2_10_len); 509 m->auto_enable_numa_with_memhp = false; 510 } 511 512 DEFINE_I440FX_MACHINE(v2_10, "pc-i440fx-2.10", NULL, 513 pc_i440fx_2_10_machine_options); 514 515 static void pc_i440fx_2_9_machine_options(MachineClass *m) 516 { 517 pc_i440fx_2_10_machine_options(m); 518 compat_props_add(m->compat_props, hw_compat_2_9, hw_compat_2_9_len); 519 compat_props_add(m->compat_props, pc_compat_2_9, pc_compat_2_9_len); 520 m->numa_auto_assign_ram = numa_legacy_auto_assign_ram; 521 } 522 523 DEFINE_I440FX_MACHINE(v2_9, "pc-i440fx-2.9", NULL, 524 pc_i440fx_2_9_machine_options); 525 526 static void pc_i440fx_2_8_machine_options(MachineClass *m) 527 { 528 pc_i440fx_2_9_machine_options(m); 529 compat_props_add(m->compat_props, hw_compat_2_8, hw_compat_2_8_len); 530 compat_props_add(m->compat_props, pc_compat_2_8, pc_compat_2_8_len); 531 } 532 533 DEFINE_I440FX_MACHINE(v2_8, "pc-i440fx-2.8", NULL, 534 pc_i440fx_2_8_machine_options); 535 536 static void pc_i440fx_2_7_machine_options(MachineClass *m) 537 { 538 pc_i440fx_2_8_machine_options(m); 539 compat_props_add(m->compat_props, hw_compat_2_7, hw_compat_2_7_len); 540 compat_props_add(m->compat_props, pc_compat_2_7, pc_compat_2_7_len); 541 } 542 543 DEFINE_I440FX_MACHINE(v2_7, "pc-i440fx-2.7", NULL, 544 pc_i440fx_2_7_machine_options); 545 546 static void pc_i440fx_2_6_machine_options(MachineClass *m) 547 { 548 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 549 550 pc_i440fx_2_7_machine_options(m); 551 pcmc->legacy_cpu_hotplug = true; 552 pcmc->linuxboot_dma_enabled = false; 553 compat_props_add(m->compat_props, hw_compat_2_6, hw_compat_2_6_len); 554 compat_props_add(m->compat_props, pc_compat_2_6, pc_compat_2_6_len); 555 } 556 557 DEFINE_I440FX_MACHINE(v2_6, "pc-i440fx-2.6", NULL, 558 pc_i440fx_2_6_machine_options); 559 560 static void pc_i440fx_2_5_machine_options(MachineClass *m) 561 { 562 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 563 564 pc_i440fx_2_6_machine_options(m); 565 pcmc->save_tsc_khz = false; 566 m->legacy_fw_cfg_order = 1; 567 compat_props_add(m->compat_props, hw_compat_2_5, hw_compat_2_5_len); 568 compat_props_add(m->compat_props, pc_compat_2_5, pc_compat_2_5_len); 569 } 570 571 DEFINE_I440FX_MACHINE(v2_5, "pc-i440fx-2.5", NULL, 572 pc_i440fx_2_5_machine_options); 573 574 static void pc_i440fx_2_4_machine_options(MachineClass *m) 575 { 576 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 577 578 pc_i440fx_2_5_machine_options(m); 579 m->hw_version = "2.4.0"; 580 pcmc->broken_reserved_end = true; 581 compat_props_add(m->compat_props, hw_compat_2_4, hw_compat_2_4_len); 582 compat_props_add(m->compat_props, pc_compat_2_4, pc_compat_2_4_len); 583 } 584 585 DEFINE_I440FX_MACHINE(v2_4, "pc-i440fx-2.4", NULL, 586 pc_i440fx_2_4_machine_options) 587 588 static void pc_i440fx_2_3_machine_options(MachineClass *m) 589 { 590 pc_i440fx_2_4_machine_options(m); 591 m->hw_version = "2.3.0"; 592 compat_props_add(m->compat_props, hw_compat_2_3, hw_compat_2_3_len); 593 compat_props_add(m->compat_props, pc_compat_2_3, pc_compat_2_3_len); 594 } 595 596 DEFINE_I440FX_MACHINE(v2_3, "pc-i440fx-2.3", pc_compat_2_3_fn, 597 pc_i440fx_2_3_machine_options); 598 599 static void pc_i440fx_2_2_machine_options(MachineClass *m) 600 { 601 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 602 603 pc_i440fx_2_3_machine_options(m); 604 m->hw_version = "2.2.0"; 605 m->default_machine_opts = "firmware=bios-256k.bin,suppress-vmdesc=on"; 606 compat_props_add(m->compat_props, hw_compat_2_2, hw_compat_2_2_len); 607 compat_props_add(m->compat_props, pc_compat_2_2, pc_compat_2_2_len); 608 pcmc->rsdp_in_ram = false; 609 } 610 611 DEFINE_I440FX_MACHINE(v2_2, "pc-i440fx-2.2", pc_compat_2_2_fn, 612 pc_i440fx_2_2_machine_options); 613 614 static void pc_i440fx_2_1_machine_options(MachineClass *m) 615 { 616 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 617 618 pc_i440fx_2_2_machine_options(m); 619 m->hw_version = "2.1.0"; 620 m->default_display = NULL; 621 compat_props_add(m->compat_props, hw_compat_2_1, hw_compat_2_1_len); 622 compat_props_add(m->compat_props, pc_compat_2_1, pc_compat_2_1_len); 623 pcmc->smbios_uuid_encoded = false; 624 pcmc->enforce_aligned_dimm = false; 625 } 626 627 DEFINE_I440FX_MACHINE(v2_1, "pc-i440fx-2.1", pc_compat_2_1_fn, 628 pc_i440fx_2_1_machine_options); 629 630 static void pc_i440fx_2_0_machine_options(MachineClass *m) 631 { 632 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 633 634 pc_i440fx_2_1_machine_options(m); 635 m->hw_version = "2.0.0"; 636 compat_props_add(m->compat_props, pc_compat_2_0, pc_compat_2_0_len); 637 pcmc->smbios_legacy_mode = true; 638 pcmc->has_reserved_memory = false; 639 /* This value depends on the actual DSDT and SSDT compiled into 640 * the source QEMU; unfortunately it depends on the binary and 641 * not on the machine type, so we cannot make pc-i440fx-1.7 work on 642 * both QEMU 1.7 and QEMU 2.0. 643 * 644 * Large variations cause migration to fail for more than one 645 * consecutive value of the "-smp" maxcpus option. 646 * 647 * For small variations of the kind caused by different iasl versions, 648 * the 4k rounding usually leaves slack. However, there could be still 649 * one or two values that break. For QEMU 1.7 and QEMU 2.0 the 650 * slack is only ~10 bytes before one "-smp maxcpus" value breaks! 651 * 652 * 6652 is valid for QEMU 2.0, the right value for pc-i440fx-1.7 on 653 * QEMU 1.7 it is 6414. For RHEL/CentOS 7.0 it is 6418. 654 */ 655 pcmc->legacy_acpi_table_size = 6652; 656 pcmc->acpi_data_size = 0x10000; 657 } 658 659 DEFINE_I440FX_MACHINE(v2_0, "pc-i440fx-2.0", pc_compat_2_0_fn, 660 pc_i440fx_2_0_machine_options); 661 662 static void pc_i440fx_1_7_machine_options(MachineClass *m) 663 { 664 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 665 666 pc_i440fx_2_0_machine_options(m); 667 m->hw_version = "1.7.0"; 668 m->default_machine_opts = NULL; 669 m->option_rom_has_mr = true; 670 compat_props_add(m->compat_props, pc_compat_1_7, pc_compat_1_7_len); 671 pcmc->smbios_defaults = false; 672 pcmc->gigabyte_align = false; 673 pcmc->legacy_acpi_table_size = 6414; 674 } 675 676 DEFINE_I440FX_MACHINE(v1_7, "pc-i440fx-1.7", pc_compat_1_7_fn, 677 pc_i440fx_1_7_machine_options); 678 679 static void pc_i440fx_1_6_machine_options(MachineClass *m) 680 { 681 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 682 683 pc_i440fx_1_7_machine_options(m); 684 m->hw_version = "1.6.0"; 685 m->rom_file_has_mr = false; 686 compat_props_add(m->compat_props, pc_compat_1_6, pc_compat_1_6_len); 687 pcmc->has_acpi_build = false; 688 } 689 690 DEFINE_I440FX_MACHINE(v1_6, "pc-i440fx-1.6", pc_compat_1_6_fn, 691 pc_i440fx_1_6_machine_options); 692 693 static void pc_i440fx_1_5_machine_options(MachineClass *m) 694 { 695 pc_i440fx_1_6_machine_options(m); 696 m->hw_version = "1.5.0"; 697 compat_props_add(m->compat_props, pc_compat_1_5, pc_compat_1_5_len); 698 } 699 700 DEFINE_I440FX_MACHINE(v1_5, "pc-i440fx-1.5", pc_compat_1_5_fn, 701 pc_i440fx_1_5_machine_options); 702 703 static void pc_i440fx_1_4_machine_options(MachineClass *m) 704 { 705 pc_i440fx_1_5_machine_options(m); 706 m->hw_version = "1.4.0"; 707 m->hot_add_cpu = NULL; 708 compat_props_add(m->compat_props, pc_compat_1_4, pc_compat_1_4_len); 709 } 710 711 DEFINE_I440FX_MACHINE(v1_4, "pc-i440fx-1.4", pc_compat_1_4_fn, 712 pc_i440fx_1_4_machine_options); 713 714 static void pc_i440fx_1_3_machine_options(MachineClass *m) 715 { 716 X86MachineClass *x86mc = X86_MACHINE_CLASS(m); 717 static GlobalProperty compat[] = { 718 PC_CPU_MODEL_IDS("1.3.0") 719 { "usb-tablet", "usb_version", "1" }, 720 { "virtio-net-pci", "ctrl_mac_addr", "off" }, 721 { "virtio-net-pci", "mq", "off" }, 722 { "e1000", "autonegotiation", "off" }, 723 }; 724 725 pc_i440fx_1_4_machine_options(m); 726 m->hw_version = "1.3.0"; 727 x86mc->compat_apic_id_mode = true; 728 compat_props_add(m->compat_props, compat, G_N_ELEMENTS(compat)); 729 } 730 731 DEFINE_I440FX_MACHINE(v1_3, "pc-1.3", pc_compat_1_3, 732 pc_i440fx_1_3_machine_options); 733 734 735 static void pc_i440fx_1_2_machine_options(MachineClass *m) 736 { 737 static GlobalProperty compat[] = { 738 PC_CPU_MODEL_IDS("1.2.0") 739 { "nec-usb-xhci", "msi", "off" }, 740 { "nec-usb-xhci", "msix", "off" }, 741 { "qxl", "revision", "3" }, 742 { "qxl-vga", "revision", "3" }, 743 { "VGA", "mmio", "off" }, 744 }; 745 746 pc_i440fx_1_3_machine_options(m); 747 m->hw_version = "1.2.0"; 748 compat_props_add(m->compat_props, compat, G_N_ELEMENTS(compat)); 749 } 750 751 DEFINE_I440FX_MACHINE(v1_2, "pc-1.2", pc_compat_1_2, 752 pc_i440fx_1_2_machine_options); 753 754 755 static void pc_i440fx_1_1_machine_options(MachineClass *m) 756 { 757 static GlobalProperty compat[] = { 758 PC_CPU_MODEL_IDS("1.1.0") 759 { "virtio-scsi-pci", "hotplug", "off" }, 760 { "virtio-scsi-pci", "param_change", "off" }, 761 { "VGA", "vgamem_mb", "8" }, 762 { "vmware-svga", "vgamem_mb", "8" }, 763 { "qxl-vga", "vgamem_mb", "8" }, 764 { "qxl", "vgamem_mb", "8" }, 765 { "virtio-blk-pci", "config-wce", "off" }, 766 }; 767 768 pc_i440fx_1_2_machine_options(m); 769 m->hw_version = "1.1.0"; 770 compat_props_add(m->compat_props, compat, G_N_ELEMENTS(compat)); 771 } 772 773 DEFINE_I440FX_MACHINE(v1_1, "pc-1.1", pc_compat_1_2, 774 pc_i440fx_1_1_machine_options); 775 776 static void pc_i440fx_1_0_machine_options(MachineClass *m) 777 { 778 static GlobalProperty compat[] = { 779 PC_CPU_MODEL_IDS("1.0") 780 { TYPE_ISA_FDC, "check_media_rate", "off" }, 781 { "virtio-balloon-pci", "class", stringify(PCI_CLASS_MEMORY_RAM) }, 782 { "apic-common", "vapic", "off" }, 783 { TYPE_USB_DEVICE, "full-path", "no" }, 784 }; 785 786 pc_i440fx_1_1_machine_options(m); 787 m->hw_version = "1.0"; 788 compat_props_add(m->compat_props, compat, G_N_ELEMENTS(compat)); 789 } 790 791 DEFINE_I440FX_MACHINE(v1_0, "pc-1.0", pc_compat_1_2, 792 pc_i440fx_1_0_machine_options); 793 794 795 static void pc_i440fx_0_15_machine_options(MachineClass *m) 796 { 797 static GlobalProperty compat[] = { 798 PC_CPU_MODEL_IDS("0.15") 799 }; 800 801 pc_i440fx_1_0_machine_options(m); 802 m->hw_version = "0.15"; 803 m->deprecation_reason = "use a newer machine type instead"; 804 compat_props_add(m->compat_props, compat, G_N_ELEMENTS(compat)); 805 } 806 807 DEFINE_I440FX_MACHINE(v0_15, "pc-0.15", pc_compat_1_2, 808 pc_i440fx_0_15_machine_options); 809 810 811 static void pc_i440fx_0_14_machine_options(MachineClass *m) 812 { 813 static GlobalProperty compat[] = { 814 PC_CPU_MODEL_IDS("0.14") 815 { "virtio-blk-pci", "event_idx", "off" }, 816 { "virtio-serial-pci", "event_idx", "off" }, 817 { "virtio-net-pci", "event_idx", "off" }, 818 { "virtio-balloon-pci", "event_idx", "off" }, 819 { "qxl", "revision", "2" }, 820 { "qxl-vga", "revision", "2" }, 821 }; 822 823 pc_i440fx_0_15_machine_options(m); 824 m->hw_version = "0.14"; 825 compat_props_add(m->compat_props, compat, G_N_ELEMENTS(compat)); 826 } 827 828 DEFINE_I440FX_MACHINE(v0_14, "pc-0.14", pc_compat_1_2, 829 pc_i440fx_0_14_machine_options); 830 831 static void pc_i440fx_0_13_machine_options(MachineClass *m) 832 { 833 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 834 static GlobalProperty compat[] = { 835 PC_CPU_MODEL_IDS("0.13") 836 { TYPE_PCI_DEVICE, "command_serr_enable", "off" }, 837 { "AC97", "use_broken_id", "1" }, 838 { "virtio-9p-pci", "vectors", "0" }, 839 { "VGA", "rombar", "0" }, 840 { "vmware-svga", "rombar", "0" }, 841 }; 842 843 pc_i440fx_0_14_machine_options(m); 844 m->hw_version = "0.13"; 845 compat_props_add(m->compat_props, compat, G_N_ELEMENTS(compat)); 846 pcmc->kvmclock_enabled = false; 847 } 848 849 DEFINE_I440FX_MACHINE(v0_13, "pc-0.13", pc_compat_0_13, 850 pc_i440fx_0_13_machine_options); 851 852 static void pc_i440fx_0_12_machine_options(MachineClass *m) 853 { 854 static GlobalProperty compat[] = { 855 PC_CPU_MODEL_IDS("0.12") 856 { "virtio-serial-pci", "max_ports", "1" }, 857 { "virtio-serial-pci", "vectors", "0" }, 858 { "usb-mouse", "serial", "1" }, 859 { "usb-tablet", "serial", "1" }, 860 { "usb-kbd", "serial", "1" }, 861 }; 862 863 pc_i440fx_0_13_machine_options(m); 864 m->hw_version = "0.12"; 865 compat_props_add(m->compat_props, compat, G_N_ELEMENTS(compat)); 866 } 867 868 DEFINE_I440FX_MACHINE(v0_12, "pc-0.12", pc_compat_0_13, 869 pc_i440fx_0_12_machine_options); 870 871 typedef struct { 872 uint16_t gpu_device_id; 873 uint16_t pch_device_id; 874 uint8_t pch_revision_id; 875 } IGDDeviceIDInfo; 876 877 /* In real world different GPU should have different PCH. But actually 878 * the different PCH DIDs likely map to different PCH SKUs. We do the 879 * same thing for the GPU. For PCH, the different SKUs are going to be 880 * all the same silicon design and implementation, just different 881 * features turn on and off with fuses. The SW interfaces should be 882 * consistent across all SKUs in a given family (eg LPT). But just same 883 * features may not be supported. 884 * 885 * Most of these different PCH features probably don't matter to the 886 * Gfx driver, but obviously any difference in display port connections 887 * will so it should be fine with any PCH in case of passthrough. 888 * 889 * So currently use one PCH version, 0x8c4e, to cover all HSW(Haswell) 890 * scenarios, 0x9cc3 for BDW(Broadwell). 891 */ 892 static const IGDDeviceIDInfo igd_combo_id_infos[] = { 893 /* HSW Classic */ 894 {0x0402, 0x8c4e, 0x04}, /* HSWGT1D, HSWD_w7 */ 895 {0x0406, 0x8c4e, 0x04}, /* HSWGT1M, HSWM_w7 */ 896 {0x0412, 0x8c4e, 0x04}, /* HSWGT2D, HSWD_w7 */ 897 {0x0416, 0x8c4e, 0x04}, /* HSWGT2M, HSWM_w7 */ 898 {0x041E, 0x8c4e, 0x04}, /* HSWGT15D, HSWD_w7 */ 899 /* HSW ULT */ 900 {0x0A06, 0x8c4e, 0x04}, /* HSWGT1UT, HSWM_w7 */ 901 {0x0A16, 0x8c4e, 0x04}, /* HSWGT2UT, HSWM_w7 */ 902 {0x0A26, 0x8c4e, 0x06}, /* HSWGT3UT, HSWM_w7 */ 903 {0x0A2E, 0x8c4e, 0x04}, /* HSWGT3UT28W, HSWM_w7 */ 904 {0x0A1E, 0x8c4e, 0x04}, /* HSWGT2UX, HSWM_w7 */ 905 {0x0A0E, 0x8c4e, 0x04}, /* HSWGT1ULX, HSWM_w7 */ 906 /* HSW CRW */ 907 {0x0D26, 0x8c4e, 0x04}, /* HSWGT3CW, HSWM_w7 */ 908 {0x0D22, 0x8c4e, 0x04}, /* HSWGT3CWDT, HSWD_w7 */ 909 /* HSW Server */ 910 {0x041A, 0x8c4e, 0x04}, /* HSWSVGT2, HSWD_w7 */ 911 /* HSW SRVR */ 912 {0x040A, 0x8c4e, 0x04}, /* HSWSVGT1, HSWD_w7 */ 913 /* BSW */ 914 {0x1606, 0x9cc3, 0x03}, /* BDWULTGT1, BDWM_w7 */ 915 {0x1616, 0x9cc3, 0x03}, /* BDWULTGT2, BDWM_w7 */ 916 {0x1626, 0x9cc3, 0x03}, /* BDWULTGT3, BDWM_w7 */ 917 {0x160E, 0x9cc3, 0x03}, /* BDWULXGT1, BDWM_w7 */ 918 {0x161E, 0x9cc3, 0x03}, /* BDWULXGT2, BDWM_w7 */ 919 {0x1602, 0x9cc3, 0x03}, /* BDWHALOGT1, BDWM_w7 */ 920 {0x1612, 0x9cc3, 0x03}, /* BDWHALOGT2, BDWM_w7 */ 921 {0x1622, 0x9cc3, 0x03}, /* BDWHALOGT3, BDWM_w7 */ 922 {0x162B, 0x9cc3, 0x03}, /* BDWHALO28W, BDWM_w7 */ 923 {0x162A, 0x9cc3, 0x03}, /* BDWGT3WRKS, BDWM_w7 */ 924 {0x162D, 0x9cc3, 0x03}, /* BDWGT3SRVR, BDWM_w7 */ 925 }; 926 927 static void isa_bridge_class_init(ObjectClass *klass, void *data) 928 { 929 DeviceClass *dc = DEVICE_CLASS(klass); 930 PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); 931 932 dc->desc = "ISA bridge faked to support IGD PT"; 933 set_bit(DEVICE_CATEGORY_BRIDGE, dc->categories); 934 k->vendor_id = PCI_VENDOR_ID_INTEL; 935 k->class_id = PCI_CLASS_BRIDGE_ISA; 936 }; 937 938 static TypeInfo isa_bridge_info = { 939 .name = "igd-passthrough-isa-bridge", 940 .parent = TYPE_PCI_DEVICE, 941 .instance_size = sizeof(PCIDevice), 942 .class_init = isa_bridge_class_init, 943 .interfaces = (InterfaceInfo[]) { 944 { INTERFACE_CONVENTIONAL_PCI_DEVICE }, 945 { }, 946 }, 947 }; 948 949 static void pt_graphics_register_types(void) 950 { 951 type_register_static(&isa_bridge_info); 952 } 953 type_init(pt_graphics_register_types) 954 955 void igd_passthrough_isa_bridge_create(PCIBus *bus, uint16_t gpu_dev_id) 956 { 957 struct PCIDevice *bridge_dev; 958 int i, num; 959 uint16_t pch_dev_id = 0xffff; 960 uint8_t pch_rev_id; 961 962 num = ARRAY_SIZE(igd_combo_id_infos); 963 for (i = 0; i < num; i++) { 964 if (gpu_dev_id == igd_combo_id_infos[i].gpu_device_id) { 965 pch_dev_id = igd_combo_id_infos[i].pch_device_id; 966 pch_rev_id = igd_combo_id_infos[i].pch_revision_id; 967 } 968 } 969 970 if (pch_dev_id == 0xffff) { 971 return; 972 } 973 974 /* Currently IGD drivers always need to access PCH by 1f.0. */ 975 bridge_dev = pci_create_simple(bus, PCI_DEVFN(0x1f, 0), 976 "igd-passthrough-isa-bridge"); 977 978 /* 979 * Note that vendor id is always PCI_VENDOR_ID_INTEL. 980 */ 981 if (!bridge_dev) { 982 fprintf(stderr, "set igd-passthrough-isa-bridge failed!\n"); 983 return; 984 } 985 pci_config_set_device_id(bridge_dev->config, pch_dev_id); 986 pci_config_set_revision(bridge_dev->config, pch_rev_id); 987 } 988 989 static void isapc_machine_options(MachineClass *m) 990 { 991 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 992 m->desc = "ISA-only PC"; 993 m->max_cpus = 1; 994 m->option_rom_has_mr = true; 995 m->rom_file_has_mr = false; 996 pcmc->pci_enabled = false; 997 pcmc->has_acpi_build = false; 998 pcmc->smbios_defaults = false; 999 pcmc->gigabyte_align = false; 1000 pcmc->smbios_legacy_mode = true; 1001 pcmc->has_reserved_memory = false; 1002 pcmc->default_nic_model = "ne2k_isa"; 1003 m->default_cpu_type = X86_CPU_TYPE_NAME("486"); 1004 } 1005 1006 DEFINE_PC_MACHINE(isapc, "isapc", pc_init_isa, 1007 isapc_machine_options); 1008 1009 1010 #ifdef CONFIG_XEN 1011 static void xenfv_machine_options(MachineClass *m) 1012 { 1013 m->desc = "Xen Fully-virtualized PC"; 1014 m->max_cpus = HVM_MAX_VCPUS; 1015 m->default_machine_opts = "accel=xen"; 1016 } 1017 1018 DEFINE_PC_MACHINE(xenfv, "xenfv", pc_xen_hvm_init, 1019 xenfv_machine_options); 1020 #endif 1021