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/southbridge/piix.h" 34 #include "hw/display/ramfb.h" 35 #include "hw/firmware/smbios.h" 36 #include "hw/pci/pci.h" 37 #include "hw/pci/pci_ids.h" 38 #include "hw/usb.h" 39 #include "net/net.h" 40 #include "hw/ide.h" 41 #include "hw/irq.h" 42 #include "sysemu/kvm.h" 43 #include "hw/kvm/clock.h" 44 #include "sysemu/sysemu.h" 45 #include "hw/sysbus.h" 46 #include "sysemu/arch_init.h" 47 #include "hw/i2c/smbus_eeprom.h" 48 #include "hw/xen/xen.h" 49 #include "exec/memory.h" 50 #include "exec/address-spaces.h" 51 #include "hw/acpi/acpi.h" 52 #include "cpu.h" 53 #include "qapi/error.h" 54 #include "qemu/error-report.h" 55 #ifdef CONFIG_XEN 56 #include <xen/hvm/hvm_info_table.h> 57 #include "hw/xen/xen_pt.h" 58 #endif 59 #include "migration/global_state.h" 60 #include "migration/misc.h" 61 #include "sysemu/numa.h" 62 63 #define MAX_IDE_BUS 2 64 65 #ifdef CONFIG_IDE_ISA 66 static const int ide_iobase[MAX_IDE_BUS] = { 0x1f0, 0x170 }; 67 static const int ide_iobase2[MAX_IDE_BUS] = { 0x3f6, 0x376 }; 68 static const int ide_irq[MAX_IDE_BUS] = { 14, 15 }; 69 #endif 70 71 /* PC hardware initialisation */ 72 static void pc_init1(MachineState *machine, 73 const char *host_type, const char *pci_type) 74 { 75 PCMachineState *pcms = PC_MACHINE(machine); 76 PCMachineClass *pcmc = PC_MACHINE_GET_CLASS(pcms); 77 X86MachineState *x86ms = X86_MACHINE(machine); 78 MemoryRegion *system_memory = get_system_memory(); 79 MemoryRegion *system_io = get_system_io(); 80 int i; 81 PCIBus *pci_bus; 82 ISABus *isa_bus; 83 PCII440FXState *i440fx_state; 84 int piix3_devfn = -1; 85 qemu_irq smi_irq; 86 GSIState *gsi_state; 87 DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS]; 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 pci_bus = i440fx_init(host_type, 195 pci_type, 196 &i440fx_state, &piix3_devfn, &isa_bus, x86ms->gsi, 197 system_memory, system_io, machine->ram_size, 198 x86ms->below_4g_mem_size, 199 x86ms->above_4g_mem_size, 200 pci_memory, ram_memory); 201 pcms->bus = pci_bus; 202 } else { 203 pci_bus = NULL; 204 i440fx_state = NULL; 205 isa_bus = isa_bus_new(NULL, get_system_memory(), system_io, 206 &error_abort); 207 no_hpet = 1; 208 } 209 isa_bus_irqs(isa_bus, x86ms->gsi); 210 211 pc_i8259_create(isa_bus, gsi_state->i8259_irq); 212 213 if (pcmc->pci_enabled) { 214 ioapic_init_gsi(gsi_state, "i440fx"); 215 } 216 217 if (tcg_enabled()) { 218 x86_register_ferr_irq(x86ms->gsi[13]); 219 } 220 221 pc_vga_init(isa_bus, pcmc->pci_enabled ? pci_bus : NULL); 222 223 assert(pcms->vmport != ON_OFF_AUTO__MAX); 224 if (pcms->vmport == ON_OFF_AUTO_AUTO) { 225 pcms->vmport = xen_enabled() ? ON_OFF_AUTO_OFF : ON_OFF_AUTO_ON; 226 } 227 228 /* init basic PC hardware */ 229 pc_basic_device_init(isa_bus, x86ms->gsi, &rtc_state, true, 230 (pcms->vmport != ON_OFF_AUTO_ON), pcms->pit_enabled, 231 0x4); 232 233 pc_nic_init(pcmc, isa_bus, pci_bus); 234 235 ide_drive_get(hd, ARRAY_SIZE(hd)); 236 if (pcmc->pci_enabled) { 237 PCIDevice *dev; 238 if (xen_enabled()) { 239 dev = pci_piix3_xen_ide_init(pci_bus, hd, piix3_devfn + 1); 240 } else { 241 dev = pci_piix3_ide_init(pci_bus, hd, piix3_devfn + 1); 242 } 243 idebus[0] = qdev_get_child_bus(&dev->qdev, "ide.0"); 244 idebus[1] = qdev_get_child_bus(&dev->qdev, "ide.1"); 245 pc_cmos_init(pcms, idebus[0], idebus[1], rtc_state); 246 } 247 #ifdef CONFIG_IDE_ISA 248 else { 249 for(i = 0; i < MAX_IDE_BUS; i++) { 250 ISADevice *dev; 251 char busname[] = "ide.0"; 252 dev = isa_ide_init(isa_bus, ide_iobase[i], ide_iobase2[i], 253 ide_irq[i], 254 hd[MAX_IDE_DEVS * i], hd[MAX_IDE_DEVS * i + 1]); 255 /* 256 * The ide bus name is ide.0 for the first bus and ide.1 for the 257 * second one. 258 */ 259 busname[4] = '0' + i; 260 idebus[i] = qdev_get_child_bus(DEVICE(dev), busname); 261 } 262 pc_cmos_init(pcms, idebus[0], idebus[1], rtc_state); 263 } 264 #endif 265 266 if (pcmc->pci_enabled && machine_usb(machine)) { 267 pci_create_simple(pci_bus, piix3_devfn + 2, "piix3-usb-uhci"); 268 } 269 270 if (pcmc->pci_enabled && acpi_enabled) { 271 DeviceState *piix4_pm; 272 273 smi_irq = qemu_allocate_irq(pc_acpi_smi_interrupt, first_cpu, 0); 274 /* TODO: Populate SPD eeprom data. */ 275 pcms->smbus = piix4_pm_init(pci_bus, piix3_devfn + 3, 0xb100, 276 x86ms->gsi[9], smi_irq, 277 pc_machine_is_smm_enabled(pcms), 278 &piix4_pm); 279 smbus_eeprom_init(pcms->smbus, 8, NULL, 0); 280 281 object_property_add_link(OBJECT(machine), PC_MACHINE_ACPI_DEVICE_PROP, 282 TYPE_HOTPLUG_HANDLER, 283 (Object **)&pcms->acpi_dev, 284 object_property_allow_set_link, 285 OBJ_PROP_LINK_STRONG, &error_abort); 286 object_property_set_link(OBJECT(machine), OBJECT(piix4_pm), 287 PC_MACHINE_ACPI_DEVICE_PROP, &error_abort); 288 } 289 290 if (machine->nvdimms_state->is_enabled) { 291 nvdimm_init_acpi_state(machine->nvdimms_state, system_io, 292 x86ms->fw_cfg, OBJECT(pcms)); 293 } 294 } 295 296 /* Looking for a pc_compat_2_4() function? It doesn't exist. 297 * pc_compat_*() functions that run on machine-init time and 298 * change global QEMU state are deprecated. Please don't create 299 * one, and implement any pc-*-2.4 (and newer) compat code in 300 * hw_compat_*, pc_compat_*, or * pc_*_machine_options(). 301 */ 302 303 static void pc_compat_2_3_fn(MachineState *machine) 304 { 305 PCMachineState *pcms = PC_MACHINE(machine); 306 if (kvm_enabled()) { 307 pcms->smm = ON_OFF_AUTO_OFF; 308 } 309 } 310 311 static void pc_compat_2_2_fn(MachineState *machine) 312 { 313 pc_compat_2_3_fn(machine); 314 } 315 316 static void pc_compat_2_1_fn(MachineState *machine) 317 { 318 pc_compat_2_2_fn(machine); 319 x86_cpu_change_kvm_default("svm", NULL); 320 } 321 322 static void pc_compat_2_0_fn(MachineState *machine) 323 { 324 pc_compat_2_1_fn(machine); 325 } 326 327 static void pc_compat_1_7_fn(MachineState *machine) 328 { 329 pc_compat_2_0_fn(machine); 330 x86_cpu_change_kvm_default("x2apic", NULL); 331 } 332 333 static void pc_compat_1_6_fn(MachineState *machine) 334 { 335 pc_compat_1_7_fn(machine); 336 } 337 338 static void pc_compat_1_5_fn(MachineState *machine) 339 { 340 pc_compat_1_6_fn(machine); 341 } 342 343 static void pc_compat_1_4_fn(MachineState *machine) 344 { 345 pc_compat_1_5_fn(machine); 346 } 347 348 static void pc_compat_1_3(MachineState *machine) 349 { 350 pc_compat_1_4_fn(machine); 351 } 352 353 /* PC compat function for pc-0.14 to pc-1.2 */ 354 static void pc_compat_1_2(MachineState *machine) 355 { 356 pc_compat_1_3(machine); 357 x86_cpu_change_kvm_default("kvm-pv-eoi", NULL); 358 } 359 360 /* PC compat function for pc-0.12 and pc-0.13 */ 361 static void pc_compat_0_13(MachineState *machine) 362 { 363 pc_compat_1_2(machine); 364 } 365 366 static void pc_init_isa(MachineState *machine) 367 { 368 pc_init1(machine, TYPE_I440FX_PCI_HOST_BRIDGE, TYPE_I440FX_PCI_DEVICE); 369 } 370 371 #ifdef CONFIG_XEN 372 static void pc_xen_hvm_init_pci(MachineState *machine) 373 { 374 const char *pci_type = has_igd_gfx_passthru ? 375 TYPE_IGD_PASSTHROUGH_I440FX_PCI_DEVICE : TYPE_I440FX_PCI_DEVICE; 376 377 pc_init1(machine, 378 TYPE_I440FX_PCI_HOST_BRIDGE, 379 pci_type); 380 } 381 382 static void pc_xen_hvm_init(MachineState *machine) 383 { 384 PCMachineState *pcms = PC_MACHINE(machine); 385 386 if (!xen_enabled()) { 387 error_report("xenfv machine requires the xen accelerator"); 388 exit(1); 389 } 390 391 pc_xen_hvm_init_pci(machine); 392 pci_create_simple(pcms->bus, -1, "xen-platform"); 393 } 394 #endif 395 396 #define DEFINE_I440FX_MACHINE(suffix, name, compatfn, optionfn) \ 397 static void pc_init_##suffix(MachineState *machine) \ 398 { \ 399 void (*compat)(MachineState *m) = (compatfn); \ 400 if (compat) { \ 401 compat(machine); \ 402 } \ 403 pc_init1(machine, TYPE_I440FX_PCI_HOST_BRIDGE, \ 404 TYPE_I440FX_PCI_DEVICE); \ 405 } \ 406 DEFINE_PC_MACHINE(suffix, name, pc_init_##suffix, optionfn) 407 408 static void pc_i440fx_machine_options(MachineClass *m) 409 { 410 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 411 pcmc->default_nic_model = "e1000"; 412 413 m->family = "pc_piix"; 414 m->desc = "Standard PC (i440FX + PIIX, 1996)"; 415 m->default_machine_opts = "firmware=bios-256k.bin"; 416 m->default_display = "std"; 417 machine_class_allow_dynamic_sysbus_dev(m, TYPE_RAMFB_DEVICE); 418 } 419 420 static void pc_i440fx_4_2_machine_options(MachineClass *m) 421 { 422 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 423 pc_i440fx_machine_options(m); 424 m->alias = "pc"; 425 m->is_default = 1; 426 pcmc->default_cpu_version = 1; 427 } 428 429 DEFINE_I440FX_MACHINE(v4_2, "pc-i440fx-4.2", NULL, 430 pc_i440fx_4_2_machine_options); 431 432 static void pc_i440fx_4_1_machine_options(MachineClass *m) 433 { 434 pc_i440fx_4_2_machine_options(m); 435 m->alias = NULL; 436 m->is_default = 0; 437 compat_props_add(m->compat_props, hw_compat_4_1, hw_compat_4_1_len); 438 compat_props_add(m->compat_props, pc_compat_4_1, pc_compat_4_1_len); 439 } 440 441 DEFINE_I440FX_MACHINE(v4_1, "pc-i440fx-4.1", NULL, 442 pc_i440fx_4_1_machine_options); 443 444 static void pc_i440fx_4_0_machine_options(MachineClass *m) 445 { 446 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 447 pc_i440fx_4_1_machine_options(m); 448 m->alias = NULL; 449 m->is_default = 0; 450 pcmc->default_cpu_version = CPU_VERSION_LEGACY; 451 compat_props_add(m->compat_props, hw_compat_4_0, hw_compat_4_0_len); 452 compat_props_add(m->compat_props, pc_compat_4_0, pc_compat_4_0_len); 453 } 454 455 DEFINE_I440FX_MACHINE(v4_0, "pc-i440fx-4.0", NULL, 456 pc_i440fx_4_0_machine_options); 457 458 static void pc_i440fx_3_1_machine_options(MachineClass *m) 459 { 460 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 461 462 pc_i440fx_4_0_machine_options(m); 463 m->is_default = 0; 464 pcmc->do_not_add_smb_acpi = true; 465 m->smbus_no_migration_support = true; 466 m->alias = NULL; 467 pcmc->pvh_enabled = false; 468 compat_props_add(m->compat_props, hw_compat_3_1, hw_compat_3_1_len); 469 compat_props_add(m->compat_props, pc_compat_3_1, pc_compat_3_1_len); 470 } 471 472 DEFINE_I440FX_MACHINE(v3_1, "pc-i440fx-3.1", NULL, 473 pc_i440fx_3_1_machine_options); 474 475 static void pc_i440fx_3_0_machine_options(MachineClass *m) 476 { 477 pc_i440fx_3_1_machine_options(m); 478 compat_props_add(m->compat_props, hw_compat_3_0, hw_compat_3_0_len); 479 compat_props_add(m->compat_props, pc_compat_3_0, pc_compat_3_0_len); 480 } 481 482 DEFINE_I440FX_MACHINE(v3_0, "pc-i440fx-3.0", NULL, 483 pc_i440fx_3_0_machine_options); 484 485 static void pc_i440fx_2_12_machine_options(MachineClass *m) 486 { 487 pc_i440fx_3_0_machine_options(m); 488 compat_props_add(m->compat_props, hw_compat_2_12, hw_compat_2_12_len); 489 compat_props_add(m->compat_props, pc_compat_2_12, pc_compat_2_12_len); 490 } 491 492 DEFINE_I440FX_MACHINE(v2_12, "pc-i440fx-2.12", NULL, 493 pc_i440fx_2_12_machine_options); 494 495 static void pc_i440fx_2_11_machine_options(MachineClass *m) 496 { 497 pc_i440fx_2_12_machine_options(m); 498 compat_props_add(m->compat_props, hw_compat_2_11, hw_compat_2_11_len); 499 compat_props_add(m->compat_props, pc_compat_2_11, pc_compat_2_11_len); 500 } 501 502 DEFINE_I440FX_MACHINE(v2_11, "pc-i440fx-2.11", NULL, 503 pc_i440fx_2_11_machine_options); 504 505 static void pc_i440fx_2_10_machine_options(MachineClass *m) 506 { 507 pc_i440fx_2_11_machine_options(m); 508 compat_props_add(m->compat_props, hw_compat_2_10, hw_compat_2_10_len); 509 compat_props_add(m->compat_props, pc_compat_2_10, pc_compat_2_10_len); 510 m->auto_enable_numa_with_memhp = false; 511 } 512 513 DEFINE_I440FX_MACHINE(v2_10, "pc-i440fx-2.10", NULL, 514 pc_i440fx_2_10_machine_options); 515 516 static void pc_i440fx_2_9_machine_options(MachineClass *m) 517 { 518 pc_i440fx_2_10_machine_options(m); 519 compat_props_add(m->compat_props, hw_compat_2_9, hw_compat_2_9_len); 520 compat_props_add(m->compat_props, pc_compat_2_9, pc_compat_2_9_len); 521 m->numa_auto_assign_ram = numa_legacy_auto_assign_ram; 522 } 523 524 DEFINE_I440FX_MACHINE(v2_9, "pc-i440fx-2.9", NULL, 525 pc_i440fx_2_9_machine_options); 526 527 static void pc_i440fx_2_8_machine_options(MachineClass *m) 528 { 529 pc_i440fx_2_9_machine_options(m); 530 compat_props_add(m->compat_props, hw_compat_2_8, hw_compat_2_8_len); 531 compat_props_add(m->compat_props, pc_compat_2_8, pc_compat_2_8_len); 532 } 533 534 DEFINE_I440FX_MACHINE(v2_8, "pc-i440fx-2.8", NULL, 535 pc_i440fx_2_8_machine_options); 536 537 static void pc_i440fx_2_7_machine_options(MachineClass *m) 538 { 539 pc_i440fx_2_8_machine_options(m); 540 compat_props_add(m->compat_props, hw_compat_2_7, hw_compat_2_7_len); 541 compat_props_add(m->compat_props, pc_compat_2_7, pc_compat_2_7_len); 542 } 543 544 DEFINE_I440FX_MACHINE(v2_7, "pc-i440fx-2.7", NULL, 545 pc_i440fx_2_7_machine_options); 546 547 static void pc_i440fx_2_6_machine_options(MachineClass *m) 548 { 549 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 550 551 pc_i440fx_2_7_machine_options(m); 552 pcmc->legacy_cpu_hotplug = true; 553 pcmc->linuxboot_dma_enabled = false; 554 compat_props_add(m->compat_props, hw_compat_2_6, hw_compat_2_6_len); 555 compat_props_add(m->compat_props, pc_compat_2_6, pc_compat_2_6_len); 556 } 557 558 DEFINE_I440FX_MACHINE(v2_6, "pc-i440fx-2.6", NULL, 559 pc_i440fx_2_6_machine_options); 560 561 static void pc_i440fx_2_5_machine_options(MachineClass *m) 562 { 563 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 564 565 pc_i440fx_2_6_machine_options(m); 566 pcmc->save_tsc_khz = false; 567 m->legacy_fw_cfg_order = 1; 568 compat_props_add(m->compat_props, hw_compat_2_5, hw_compat_2_5_len); 569 compat_props_add(m->compat_props, pc_compat_2_5, pc_compat_2_5_len); 570 } 571 572 DEFINE_I440FX_MACHINE(v2_5, "pc-i440fx-2.5", NULL, 573 pc_i440fx_2_5_machine_options); 574 575 static void pc_i440fx_2_4_machine_options(MachineClass *m) 576 { 577 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 578 579 pc_i440fx_2_5_machine_options(m); 580 m->hw_version = "2.4.0"; 581 pcmc->broken_reserved_end = true; 582 compat_props_add(m->compat_props, hw_compat_2_4, hw_compat_2_4_len); 583 compat_props_add(m->compat_props, pc_compat_2_4, pc_compat_2_4_len); 584 } 585 586 DEFINE_I440FX_MACHINE(v2_4, "pc-i440fx-2.4", NULL, 587 pc_i440fx_2_4_machine_options) 588 589 static void pc_i440fx_2_3_machine_options(MachineClass *m) 590 { 591 pc_i440fx_2_4_machine_options(m); 592 m->hw_version = "2.3.0"; 593 compat_props_add(m->compat_props, hw_compat_2_3, hw_compat_2_3_len); 594 compat_props_add(m->compat_props, pc_compat_2_3, pc_compat_2_3_len); 595 } 596 597 DEFINE_I440FX_MACHINE(v2_3, "pc-i440fx-2.3", pc_compat_2_3_fn, 598 pc_i440fx_2_3_machine_options); 599 600 static void pc_i440fx_2_2_machine_options(MachineClass *m) 601 { 602 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 603 604 pc_i440fx_2_3_machine_options(m); 605 m->hw_version = "2.2.0"; 606 m->default_machine_opts = "firmware=bios-256k.bin,suppress-vmdesc=on"; 607 compat_props_add(m->compat_props, hw_compat_2_2, hw_compat_2_2_len); 608 compat_props_add(m->compat_props, pc_compat_2_2, pc_compat_2_2_len); 609 pcmc->rsdp_in_ram = false; 610 } 611 612 DEFINE_I440FX_MACHINE(v2_2, "pc-i440fx-2.2", pc_compat_2_2_fn, 613 pc_i440fx_2_2_machine_options); 614 615 static void pc_i440fx_2_1_machine_options(MachineClass *m) 616 { 617 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 618 619 pc_i440fx_2_2_machine_options(m); 620 m->hw_version = "2.1.0"; 621 m->default_display = NULL; 622 compat_props_add(m->compat_props, hw_compat_2_1, hw_compat_2_1_len); 623 compat_props_add(m->compat_props, pc_compat_2_1, pc_compat_2_1_len); 624 pcmc->smbios_uuid_encoded = false; 625 pcmc->enforce_aligned_dimm = false; 626 } 627 628 DEFINE_I440FX_MACHINE(v2_1, "pc-i440fx-2.1", pc_compat_2_1_fn, 629 pc_i440fx_2_1_machine_options); 630 631 static void pc_i440fx_2_0_machine_options(MachineClass *m) 632 { 633 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 634 635 pc_i440fx_2_1_machine_options(m); 636 m->hw_version = "2.0.0"; 637 compat_props_add(m->compat_props, pc_compat_2_0, pc_compat_2_0_len); 638 pcmc->smbios_legacy_mode = true; 639 pcmc->has_reserved_memory = false; 640 /* This value depends on the actual DSDT and SSDT compiled into 641 * the source QEMU; unfortunately it depends on the binary and 642 * not on the machine type, so we cannot make pc-i440fx-1.7 work on 643 * both QEMU 1.7 and QEMU 2.0. 644 * 645 * Large variations cause migration to fail for more than one 646 * consecutive value of the "-smp" maxcpus option. 647 * 648 * For small variations of the kind caused by different iasl versions, 649 * the 4k rounding usually leaves slack. However, there could be still 650 * one or two values that break. For QEMU 1.7 and QEMU 2.0 the 651 * slack is only ~10 bytes before one "-smp maxcpus" value breaks! 652 * 653 * 6652 is valid for QEMU 2.0, the right value for pc-i440fx-1.7 on 654 * QEMU 1.7 it is 6414. For RHEL/CentOS 7.0 it is 6418. 655 */ 656 pcmc->legacy_acpi_table_size = 6652; 657 pcmc->acpi_data_size = 0x10000; 658 } 659 660 DEFINE_I440FX_MACHINE(v2_0, "pc-i440fx-2.0", pc_compat_2_0_fn, 661 pc_i440fx_2_0_machine_options); 662 663 static void pc_i440fx_1_7_machine_options(MachineClass *m) 664 { 665 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 666 667 pc_i440fx_2_0_machine_options(m); 668 m->hw_version = "1.7.0"; 669 m->default_machine_opts = NULL; 670 m->option_rom_has_mr = true; 671 compat_props_add(m->compat_props, pc_compat_1_7, pc_compat_1_7_len); 672 pcmc->smbios_defaults = false; 673 pcmc->gigabyte_align = false; 674 pcmc->legacy_acpi_table_size = 6414; 675 } 676 677 DEFINE_I440FX_MACHINE(v1_7, "pc-i440fx-1.7", pc_compat_1_7_fn, 678 pc_i440fx_1_7_machine_options); 679 680 static void pc_i440fx_1_6_machine_options(MachineClass *m) 681 { 682 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 683 684 pc_i440fx_1_7_machine_options(m); 685 m->hw_version = "1.6.0"; 686 m->rom_file_has_mr = false; 687 compat_props_add(m->compat_props, pc_compat_1_6, pc_compat_1_6_len); 688 pcmc->has_acpi_build = false; 689 } 690 691 DEFINE_I440FX_MACHINE(v1_6, "pc-i440fx-1.6", pc_compat_1_6_fn, 692 pc_i440fx_1_6_machine_options); 693 694 static void pc_i440fx_1_5_machine_options(MachineClass *m) 695 { 696 pc_i440fx_1_6_machine_options(m); 697 m->hw_version = "1.5.0"; 698 compat_props_add(m->compat_props, pc_compat_1_5, pc_compat_1_5_len); 699 } 700 701 DEFINE_I440FX_MACHINE(v1_5, "pc-i440fx-1.5", pc_compat_1_5_fn, 702 pc_i440fx_1_5_machine_options); 703 704 static void pc_i440fx_1_4_machine_options(MachineClass *m) 705 { 706 pc_i440fx_1_5_machine_options(m); 707 m->hw_version = "1.4.0"; 708 m->hot_add_cpu = NULL; 709 compat_props_add(m->compat_props, pc_compat_1_4, pc_compat_1_4_len); 710 } 711 712 DEFINE_I440FX_MACHINE(v1_4, "pc-i440fx-1.4", pc_compat_1_4_fn, 713 pc_i440fx_1_4_machine_options); 714 715 static void pc_i440fx_1_3_machine_options(MachineClass *m) 716 { 717 X86MachineClass *x86mc = X86_MACHINE_CLASS(m); 718 static GlobalProperty compat[] = { 719 PC_CPU_MODEL_IDS("1.3.0") 720 { "usb-tablet", "usb_version", "1" }, 721 { "virtio-net-pci", "ctrl_mac_addr", "off" }, 722 { "virtio-net-pci", "mq", "off" }, 723 { "e1000", "autonegotiation", "off" }, 724 }; 725 726 pc_i440fx_1_4_machine_options(m); 727 m->hw_version = "1.3.0"; 728 x86mc->compat_apic_id_mode = true; 729 compat_props_add(m->compat_props, compat, G_N_ELEMENTS(compat)); 730 } 731 732 DEFINE_I440FX_MACHINE(v1_3, "pc-1.3", pc_compat_1_3, 733 pc_i440fx_1_3_machine_options); 734 735 736 static void pc_i440fx_1_2_machine_options(MachineClass *m) 737 { 738 static GlobalProperty compat[] = { 739 PC_CPU_MODEL_IDS("1.2.0") 740 { "nec-usb-xhci", "msi", "off" }, 741 { "nec-usb-xhci", "msix", "off" }, 742 { "qxl", "revision", "3" }, 743 { "qxl-vga", "revision", "3" }, 744 { "VGA", "mmio", "off" }, 745 }; 746 747 pc_i440fx_1_3_machine_options(m); 748 m->hw_version = "1.2.0"; 749 compat_props_add(m->compat_props, compat, G_N_ELEMENTS(compat)); 750 } 751 752 DEFINE_I440FX_MACHINE(v1_2, "pc-1.2", pc_compat_1_2, 753 pc_i440fx_1_2_machine_options); 754 755 756 static void pc_i440fx_1_1_machine_options(MachineClass *m) 757 { 758 static GlobalProperty compat[] = { 759 PC_CPU_MODEL_IDS("1.1.0") 760 { "virtio-scsi-pci", "hotplug", "off" }, 761 { "virtio-scsi-pci", "param_change", "off" }, 762 { "VGA", "vgamem_mb", "8" }, 763 { "vmware-svga", "vgamem_mb", "8" }, 764 { "qxl-vga", "vgamem_mb", "8" }, 765 { "qxl", "vgamem_mb", "8" }, 766 { "virtio-blk-pci", "config-wce", "off" }, 767 }; 768 769 pc_i440fx_1_2_machine_options(m); 770 m->hw_version = "1.1.0"; 771 compat_props_add(m->compat_props, compat, G_N_ELEMENTS(compat)); 772 } 773 774 DEFINE_I440FX_MACHINE(v1_1, "pc-1.1", pc_compat_1_2, 775 pc_i440fx_1_1_machine_options); 776 777 static void pc_i440fx_1_0_machine_options(MachineClass *m) 778 { 779 static GlobalProperty compat[] = { 780 PC_CPU_MODEL_IDS("1.0") 781 { TYPE_ISA_FDC, "check_media_rate", "off" }, 782 { "virtio-balloon-pci", "class", stringify(PCI_CLASS_MEMORY_RAM) }, 783 { "apic-common", "vapic", "off" }, 784 { TYPE_USB_DEVICE, "full-path", "no" }, 785 }; 786 787 pc_i440fx_1_1_machine_options(m); 788 m->hw_version = "1.0"; 789 compat_props_add(m->compat_props, compat, G_N_ELEMENTS(compat)); 790 } 791 792 DEFINE_I440FX_MACHINE(v1_0, "pc-1.0", pc_compat_1_2, 793 pc_i440fx_1_0_machine_options); 794 795 796 static void pc_i440fx_0_15_machine_options(MachineClass *m) 797 { 798 static GlobalProperty compat[] = { 799 PC_CPU_MODEL_IDS("0.15") 800 }; 801 802 pc_i440fx_1_0_machine_options(m); 803 m->hw_version = "0.15"; 804 m->deprecation_reason = "use a newer machine type instead"; 805 compat_props_add(m->compat_props, compat, G_N_ELEMENTS(compat)); 806 } 807 808 DEFINE_I440FX_MACHINE(v0_15, "pc-0.15", pc_compat_1_2, 809 pc_i440fx_0_15_machine_options); 810 811 812 static void pc_i440fx_0_14_machine_options(MachineClass *m) 813 { 814 static GlobalProperty compat[] = { 815 PC_CPU_MODEL_IDS("0.14") 816 { "virtio-blk-pci", "event_idx", "off" }, 817 { "virtio-serial-pci", "event_idx", "off" }, 818 { "virtio-net-pci", "event_idx", "off" }, 819 { "virtio-balloon-pci", "event_idx", "off" }, 820 { "qxl", "revision", "2" }, 821 { "qxl-vga", "revision", "2" }, 822 }; 823 824 pc_i440fx_0_15_machine_options(m); 825 m->hw_version = "0.14"; 826 compat_props_add(m->compat_props, compat, G_N_ELEMENTS(compat)); 827 } 828 829 DEFINE_I440FX_MACHINE(v0_14, "pc-0.14", pc_compat_1_2, 830 pc_i440fx_0_14_machine_options); 831 832 static void pc_i440fx_0_13_machine_options(MachineClass *m) 833 { 834 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 835 static GlobalProperty compat[] = { 836 PC_CPU_MODEL_IDS("0.13") 837 { TYPE_PCI_DEVICE, "command_serr_enable", "off" }, 838 { "AC97", "use_broken_id", "1" }, 839 { "virtio-9p-pci", "vectors", "0" }, 840 { "VGA", "rombar", "0" }, 841 { "vmware-svga", "rombar", "0" }, 842 }; 843 844 pc_i440fx_0_14_machine_options(m); 845 m->hw_version = "0.13"; 846 compat_props_add(m->compat_props, compat, G_N_ELEMENTS(compat)); 847 pcmc->kvmclock_enabled = false; 848 } 849 850 DEFINE_I440FX_MACHINE(v0_13, "pc-0.13", pc_compat_0_13, 851 pc_i440fx_0_13_machine_options); 852 853 static void pc_i440fx_0_12_machine_options(MachineClass *m) 854 { 855 static GlobalProperty compat[] = { 856 PC_CPU_MODEL_IDS("0.12") 857 { "virtio-serial-pci", "max_ports", "1" }, 858 { "virtio-serial-pci", "vectors", "0" }, 859 { "usb-mouse", "serial", "1" }, 860 { "usb-tablet", "serial", "1" }, 861 { "usb-kbd", "serial", "1" }, 862 }; 863 864 pc_i440fx_0_13_machine_options(m); 865 m->hw_version = "0.12"; 866 compat_props_add(m->compat_props, compat, G_N_ELEMENTS(compat)); 867 } 868 869 DEFINE_I440FX_MACHINE(v0_12, "pc-0.12", pc_compat_0_13, 870 pc_i440fx_0_12_machine_options); 871 872 typedef struct { 873 uint16_t gpu_device_id; 874 uint16_t pch_device_id; 875 uint8_t pch_revision_id; 876 } IGDDeviceIDInfo; 877 878 /* In real world different GPU should have different PCH. But actually 879 * the different PCH DIDs likely map to different PCH SKUs. We do the 880 * same thing for the GPU. For PCH, the different SKUs are going to be 881 * all the same silicon design and implementation, just different 882 * features turn on and off with fuses. The SW interfaces should be 883 * consistent across all SKUs in a given family (eg LPT). But just same 884 * features may not be supported. 885 * 886 * Most of these different PCH features probably don't matter to the 887 * Gfx driver, but obviously any difference in display port connections 888 * will so it should be fine with any PCH in case of passthrough. 889 * 890 * So currently use one PCH version, 0x8c4e, to cover all HSW(Haswell) 891 * scenarios, 0x9cc3 for BDW(Broadwell). 892 */ 893 static const IGDDeviceIDInfo igd_combo_id_infos[] = { 894 /* HSW Classic */ 895 {0x0402, 0x8c4e, 0x04}, /* HSWGT1D, HSWD_w7 */ 896 {0x0406, 0x8c4e, 0x04}, /* HSWGT1M, HSWM_w7 */ 897 {0x0412, 0x8c4e, 0x04}, /* HSWGT2D, HSWD_w7 */ 898 {0x0416, 0x8c4e, 0x04}, /* HSWGT2M, HSWM_w7 */ 899 {0x041E, 0x8c4e, 0x04}, /* HSWGT15D, HSWD_w7 */ 900 /* HSW ULT */ 901 {0x0A06, 0x8c4e, 0x04}, /* HSWGT1UT, HSWM_w7 */ 902 {0x0A16, 0x8c4e, 0x04}, /* HSWGT2UT, HSWM_w7 */ 903 {0x0A26, 0x8c4e, 0x06}, /* HSWGT3UT, HSWM_w7 */ 904 {0x0A2E, 0x8c4e, 0x04}, /* HSWGT3UT28W, HSWM_w7 */ 905 {0x0A1E, 0x8c4e, 0x04}, /* HSWGT2UX, HSWM_w7 */ 906 {0x0A0E, 0x8c4e, 0x04}, /* HSWGT1ULX, HSWM_w7 */ 907 /* HSW CRW */ 908 {0x0D26, 0x8c4e, 0x04}, /* HSWGT3CW, HSWM_w7 */ 909 {0x0D22, 0x8c4e, 0x04}, /* HSWGT3CWDT, HSWD_w7 */ 910 /* HSW Server */ 911 {0x041A, 0x8c4e, 0x04}, /* HSWSVGT2, HSWD_w7 */ 912 /* HSW SRVR */ 913 {0x040A, 0x8c4e, 0x04}, /* HSWSVGT1, HSWD_w7 */ 914 /* BSW */ 915 {0x1606, 0x9cc3, 0x03}, /* BDWULTGT1, BDWM_w7 */ 916 {0x1616, 0x9cc3, 0x03}, /* BDWULTGT2, BDWM_w7 */ 917 {0x1626, 0x9cc3, 0x03}, /* BDWULTGT3, BDWM_w7 */ 918 {0x160E, 0x9cc3, 0x03}, /* BDWULXGT1, BDWM_w7 */ 919 {0x161E, 0x9cc3, 0x03}, /* BDWULXGT2, BDWM_w7 */ 920 {0x1602, 0x9cc3, 0x03}, /* BDWHALOGT1, BDWM_w7 */ 921 {0x1612, 0x9cc3, 0x03}, /* BDWHALOGT2, BDWM_w7 */ 922 {0x1622, 0x9cc3, 0x03}, /* BDWHALOGT3, BDWM_w7 */ 923 {0x162B, 0x9cc3, 0x03}, /* BDWHALO28W, BDWM_w7 */ 924 {0x162A, 0x9cc3, 0x03}, /* BDWGT3WRKS, BDWM_w7 */ 925 {0x162D, 0x9cc3, 0x03}, /* BDWGT3SRVR, BDWM_w7 */ 926 }; 927 928 static void isa_bridge_class_init(ObjectClass *klass, void *data) 929 { 930 DeviceClass *dc = DEVICE_CLASS(klass); 931 PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); 932 933 dc->desc = "ISA bridge faked to support IGD PT"; 934 set_bit(DEVICE_CATEGORY_BRIDGE, dc->categories); 935 k->vendor_id = PCI_VENDOR_ID_INTEL; 936 k->class_id = PCI_CLASS_BRIDGE_ISA; 937 }; 938 939 static TypeInfo isa_bridge_info = { 940 .name = "igd-passthrough-isa-bridge", 941 .parent = TYPE_PCI_DEVICE, 942 .instance_size = sizeof(PCIDevice), 943 .class_init = isa_bridge_class_init, 944 .interfaces = (InterfaceInfo[]) { 945 { INTERFACE_CONVENTIONAL_PCI_DEVICE }, 946 { }, 947 }, 948 }; 949 950 static void pt_graphics_register_types(void) 951 { 952 type_register_static(&isa_bridge_info); 953 } 954 type_init(pt_graphics_register_types) 955 956 void igd_passthrough_isa_bridge_create(PCIBus *bus, uint16_t gpu_dev_id) 957 { 958 struct PCIDevice *bridge_dev; 959 int i, num; 960 uint16_t pch_dev_id = 0xffff; 961 uint8_t pch_rev_id; 962 963 num = ARRAY_SIZE(igd_combo_id_infos); 964 for (i = 0; i < num; i++) { 965 if (gpu_dev_id == igd_combo_id_infos[i].gpu_device_id) { 966 pch_dev_id = igd_combo_id_infos[i].pch_device_id; 967 pch_rev_id = igd_combo_id_infos[i].pch_revision_id; 968 } 969 } 970 971 if (pch_dev_id == 0xffff) { 972 return; 973 } 974 975 /* Currently IGD drivers always need to access PCH by 1f.0. */ 976 bridge_dev = pci_create_simple(bus, PCI_DEVFN(0x1f, 0), 977 "igd-passthrough-isa-bridge"); 978 979 /* 980 * Note that vendor id is always PCI_VENDOR_ID_INTEL. 981 */ 982 if (!bridge_dev) { 983 fprintf(stderr, "set igd-passthrough-isa-bridge failed!\n"); 984 return; 985 } 986 pci_config_set_device_id(bridge_dev->config, pch_dev_id); 987 pci_config_set_revision(bridge_dev->config, pch_rev_id); 988 } 989 990 static void isapc_machine_options(MachineClass *m) 991 { 992 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 993 m->desc = "ISA-only PC"; 994 m->max_cpus = 1; 995 m->option_rom_has_mr = true; 996 m->rom_file_has_mr = false; 997 pcmc->pci_enabled = false; 998 pcmc->has_acpi_build = false; 999 pcmc->smbios_defaults = false; 1000 pcmc->gigabyte_align = false; 1001 pcmc->smbios_legacy_mode = true; 1002 pcmc->has_reserved_memory = false; 1003 pcmc->default_nic_model = "ne2k_isa"; 1004 m->default_cpu_type = X86_CPU_TYPE_NAME("486"); 1005 } 1006 1007 DEFINE_PC_MACHINE(isapc, "isapc", pc_init_isa, 1008 isapc_machine_options); 1009 1010 1011 #ifdef CONFIG_XEN 1012 static void xenfv_machine_options(MachineClass *m) 1013 { 1014 m->desc = "Xen Fully-virtualized PC"; 1015 m->max_cpus = HVM_MAX_VCPUS; 1016 m->default_machine_opts = "accel=xen"; 1017 } 1018 1019 DEFINE_PC_MACHINE(xenfv, "xenfv", pc_xen_hvm_init, 1020 xenfv_machine_options); 1021 #endif 1022