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/pc.h" 31 #include "hw/i386/apic.h" 32 #include "hw/display/ramfb.h" 33 #include "hw/firmware/smbios.h" 34 #include "hw/pci/pci.h" 35 #include "hw/pci/pci_ids.h" 36 #include "hw/usb.h" 37 #include "net/net.h" 38 #include "hw/ide.h" 39 #include "hw/irq.h" 40 #include "sysemu/kvm.h" 41 #include "hw/kvm/clock.h" 42 #include "sysemu/sysemu.h" 43 #include "hw/sysbus.h" 44 #include "sysemu/arch_init.h" 45 #include "hw/i2c/smbus_eeprom.h" 46 #include "hw/xen/xen.h" 47 #include "exec/memory.h" 48 #include "exec/address-spaces.h" 49 #include "hw/acpi/acpi.h" 50 #include "cpu.h" 51 #include "qapi/error.h" 52 #include "qemu/error-report.h" 53 #ifdef CONFIG_XEN 54 #include <xen/hvm/hvm_info_table.h> 55 #include "hw/xen/xen_pt.h" 56 #endif 57 #include "migration/global_state.h" 58 #include "migration/misc.h" 59 #include "kvm_i386.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 MemoryRegion *system_memory = get_system_memory(); 77 MemoryRegion *system_io = get_system_io(); 78 int i; 79 PCIBus *pci_bus; 80 ISABus *isa_bus; 81 PCII440FXState *i440fx_state; 82 int piix3_devfn = -1; 83 qemu_irq *i8259; 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 (!pcms->max_ram_below_4g) { 129 pcms->max_ram_below_4g = 0xe0000000; /* default: 3.5G */ 130 } 131 lowmem = pcms->max_ram_below_4g; 132 if (machine->ram_size >= pcms->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 pcms->max_ram_below_4g); 142 } 143 } 144 } 145 146 if (machine->ram_size >= lowmem) { 147 pcms->above_4g_mem_size = machine->ram_size - lowmem; 148 pcms->below_4g_mem_size = lowmem; 149 } else { 150 pcms->above_4g_mem_size = 0; 151 pcms->below_4g_mem_size = machine->ram_size; 152 } 153 } 154 155 pc_cpus_init(pcms); 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 = g_malloc0(sizeof(*gsi_state)); 191 if (kvm_ioapic_in_kernel()) { 192 kvm_pc_setup_irq_routing(pcmc->pci_enabled); 193 pcms->gsi = qemu_allocate_irqs(kvm_pc_gsi_handler, gsi_state, 194 GSI_NUM_PINS); 195 } else { 196 pcms->gsi = qemu_allocate_irqs(gsi_handler, gsi_state, GSI_NUM_PINS); 197 } 198 199 if (pcmc->pci_enabled) { 200 pci_bus = i440fx_init(host_type, 201 pci_type, 202 &i440fx_state, &piix3_devfn, &isa_bus, pcms->gsi, 203 system_memory, system_io, machine->ram_size, 204 pcms->below_4g_mem_size, 205 pcms->above_4g_mem_size, 206 pci_memory, ram_memory); 207 pcms->bus = pci_bus; 208 } else { 209 pci_bus = NULL; 210 i440fx_state = NULL; 211 isa_bus = isa_bus_new(NULL, get_system_memory(), system_io, 212 &error_abort); 213 no_hpet = 1; 214 } 215 isa_bus_irqs(isa_bus, pcms->gsi); 216 217 if (kvm_pic_in_kernel()) { 218 i8259 = kvm_i8259_init(isa_bus); 219 } else if (xen_enabled()) { 220 i8259 = xen_interrupt_controller_init(); 221 } else { 222 i8259 = i8259_init(isa_bus, pc_allocate_cpu_irq()); 223 } 224 225 for (i = 0; i < ISA_NUM_IRQS; i++) { 226 gsi_state->i8259_irq[i] = i8259[i]; 227 } 228 g_free(i8259); 229 if (pcmc->pci_enabled) { 230 ioapic_init_gsi(gsi_state, "i440fx"); 231 } 232 233 pc_register_ferr_irq(pcms->gsi[13]); 234 235 pc_vga_init(isa_bus, pcmc->pci_enabled ? pci_bus : NULL); 236 237 assert(pcms->vmport != ON_OFF_AUTO__MAX); 238 if (pcms->vmport == ON_OFF_AUTO_AUTO) { 239 pcms->vmport = xen_enabled() ? ON_OFF_AUTO_OFF : ON_OFF_AUTO_ON; 240 } 241 242 /* init basic PC hardware */ 243 pc_basic_device_init(isa_bus, pcms->gsi, &rtc_state, true, 244 (pcms->vmport != ON_OFF_AUTO_ON), pcms->pit_enabled, 245 0x4); 246 247 pc_nic_init(pcmc, isa_bus, pci_bus); 248 249 ide_drive_get(hd, ARRAY_SIZE(hd)); 250 if (pcmc->pci_enabled) { 251 PCIDevice *dev; 252 if (xen_enabled()) { 253 dev = pci_piix3_xen_ide_init(pci_bus, hd, piix3_devfn + 1); 254 } else { 255 dev = pci_piix3_ide_init(pci_bus, hd, piix3_devfn + 1); 256 } 257 idebus[0] = qdev_get_child_bus(&dev->qdev, "ide.0"); 258 idebus[1] = qdev_get_child_bus(&dev->qdev, "ide.1"); 259 pc_cmos_init(pcms, idebus[0], idebus[1], rtc_state); 260 } 261 #ifdef CONFIG_IDE_ISA 262 else { 263 for(i = 0; i < MAX_IDE_BUS; i++) { 264 ISADevice *dev; 265 char busname[] = "ide.0"; 266 dev = isa_ide_init(isa_bus, ide_iobase[i], ide_iobase2[i], 267 ide_irq[i], 268 hd[MAX_IDE_DEVS * i], hd[MAX_IDE_DEVS * i + 1]); 269 /* 270 * The ide bus name is ide.0 for the first bus and ide.1 for the 271 * second one. 272 */ 273 busname[4] = '0' + i; 274 idebus[i] = qdev_get_child_bus(DEVICE(dev), busname); 275 } 276 pc_cmos_init(pcms, idebus[0], idebus[1], rtc_state); 277 } 278 #endif 279 280 if (pcmc->pci_enabled && machine_usb(machine)) { 281 pci_create_simple(pci_bus, piix3_devfn + 2, "piix3-usb-uhci"); 282 } 283 284 if (pcmc->pci_enabled && acpi_enabled) { 285 DeviceState *piix4_pm; 286 I2CBus *smbus; 287 288 smi_irq = qemu_allocate_irq(pc_acpi_smi_interrupt, first_cpu, 0); 289 /* TODO: Populate SPD eeprom data. */ 290 smbus = piix4_pm_init(pci_bus, piix3_devfn + 3, 0xb100, 291 pcms->gsi[9], smi_irq, 292 pc_machine_is_smm_enabled(pcms), 293 &piix4_pm); 294 smbus_eeprom_init(smbus, 8, NULL, 0); 295 296 object_property_add_link(OBJECT(machine), PC_MACHINE_ACPI_DEVICE_PROP, 297 TYPE_HOTPLUG_HANDLER, 298 (Object **)&pcms->acpi_dev, 299 object_property_allow_set_link, 300 OBJ_PROP_LINK_STRONG, &error_abort); 301 object_property_set_link(OBJECT(machine), OBJECT(piix4_pm), 302 PC_MACHINE_ACPI_DEVICE_PROP, &error_abort); 303 } 304 305 if (machine->nvdimms_state->is_enabled) { 306 nvdimm_init_acpi_state(machine->nvdimms_state, system_io, 307 pcms->fw_cfg, OBJECT(pcms)); 308 } 309 } 310 311 /* Looking for a pc_compat_2_4() function? It doesn't exist. 312 * pc_compat_*() functions that run on machine-init time and 313 * change global QEMU state are deprecated. Please don't create 314 * one, and implement any pc-*-2.4 (and newer) compat code in 315 * HW_COMPAT_*, PC_COMPAT_*, or * pc_*_machine_options(). 316 */ 317 318 static void pc_compat_2_3_fn(MachineState *machine) 319 { 320 PCMachineState *pcms = PC_MACHINE(machine); 321 if (kvm_enabled()) { 322 pcms->smm = ON_OFF_AUTO_OFF; 323 } 324 } 325 326 static void pc_compat_2_2_fn(MachineState *machine) 327 { 328 pc_compat_2_3_fn(machine); 329 } 330 331 static void pc_compat_2_1_fn(MachineState *machine) 332 { 333 pc_compat_2_2_fn(machine); 334 x86_cpu_change_kvm_default("svm", NULL); 335 } 336 337 static void pc_compat_2_0_fn(MachineState *machine) 338 { 339 pc_compat_2_1_fn(machine); 340 } 341 342 static void pc_compat_1_7_fn(MachineState *machine) 343 { 344 pc_compat_2_0_fn(machine); 345 x86_cpu_change_kvm_default("x2apic", NULL); 346 } 347 348 static void pc_compat_1_6_fn(MachineState *machine) 349 { 350 pc_compat_1_7_fn(machine); 351 } 352 353 static void pc_compat_1_5_fn(MachineState *machine) 354 { 355 pc_compat_1_6_fn(machine); 356 } 357 358 static void pc_compat_1_4_fn(MachineState *machine) 359 { 360 pc_compat_1_5_fn(machine); 361 } 362 363 static void pc_compat_1_3(MachineState *machine) 364 { 365 pc_compat_1_4_fn(machine); 366 } 367 368 /* PC compat function for pc-0.14 to pc-1.2 */ 369 static void pc_compat_1_2(MachineState *machine) 370 { 371 pc_compat_1_3(machine); 372 x86_cpu_change_kvm_default("kvm-pv-eoi", NULL); 373 } 374 375 /* PC compat function for pc-0.12 and pc-0.13 */ 376 static void pc_compat_0_13(MachineState *machine) 377 { 378 pc_compat_1_2(machine); 379 } 380 381 static void pc_init_isa(MachineState *machine) 382 { 383 pc_init1(machine, TYPE_I440FX_PCI_HOST_BRIDGE, TYPE_I440FX_PCI_DEVICE); 384 } 385 386 #ifdef CONFIG_XEN 387 static void pc_xen_hvm_init_pci(MachineState *machine) 388 { 389 const char *pci_type = has_igd_gfx_passthru ? 390 TYPE_IGD_PASSTHROUGH_I440FX_PCI_DEVICE : TYPE_I440FX_PCI_DEVICE; 391 392 pc_init1(machine, 393 TYPE_I440FX_PCI_HOST_BRIDGE, 394 pci_type); 395 } 396 397 static void pc_xen_hvm_init(MachineState *machine) 398 { 399 PCMachineState *pcms = PC_MACHINE(machine); 400 401 if (!xen_enabled()) { 402 error_report("xenfv machine requires the xen accelerator"); 403 exit(1); 404 } 405 406 pc_xen_hvm_init_pci(machine); 407 pci_create_simple(pcms->bus, -1, "xen-platform"); 408 } 409 #endif 410 411 #define DEFINE_I440FX_MACHINE(suffix, name, compatfn, optionfn) \ 412 static void pc_init_##suffix(MachineState *machine) \ 413 { \ 414 void (*compat)(MachineState *m) = (compatfn); \ 415 if (compat) { \ 416 compat(machine); \ 417 } \ 418 pc_init1(machine, TYPE_I440FX_PCI_HOST_BRIDGE, \ 419 TYPE_I440FX_PCI_DEVICE); \ 420 } \ 421 DEFINE_PC_MACHINE(suffix, name, pc_init_##suffix, optionfn) 422 423 static void pc_i440fx_machine_options(MachineClass *m) 424 { 425 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 426 pcmc->default_nic_model = "e1000"; 427 428 m->family = "pc_piix"; 429 m->desc = "Standard PC (i440FX + PIIX, 1996)"; 430 m->default_machine_opts = "firmware=bios-256k.bin"; 431 m->default_display = "std"; 432 machine_class_allow_dynamic_sysbus_dev(m, TYPE_RAMFB_DEVICE); 433 } 434 435 static void pc_i440fx_4_2_machine_options(MachineClass *m) 436 { 437 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 438 pc_i440fx_machine_options(m); 439 m->alias = "pc"; 440 m->is_default = 1; 441 pcmc->default_cpu_version = 1; 442 } 443 444 DEFINE_I440FX_MACHINE(v4_2, "pc-i440fx-4.2", NULL, 445 pc_i440fx_4_2_machine_options); 446 447 static void pc_i440fx_4_1_machine_options(MachineClass *m) 448 { 449 pc_i440fx_4_2_machine_options(m); 450 m->alias = NULL; 451 m->is_default = 0; 452 compat_props_add(m->compat_props, hw_compat_4_1, hw_compat_4_1_len); 453 compat_props_add(m->compat_props, pc_compat_4_1, pc_compat_4_1_len); 454 } 455 456 DEFINE_I440FX_MACHINE(v4_1, "pc-i440fx-4.1", NULL, 457 pc_i440fx_4_1_machine_options); 458 459 static void pc_i440fx_4_0_machine_options(MachineClass *m) 460 { 461 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 462 pc_i440fx_4_1_machine_options(m); 463 m->alias = NULL; 464 m->is_default = 0; 465 pcmc->default_cpu_version = CPU_VERSION_LEGACY; 466 compat_props_add(m->compat_props, hw_compat_4_0, hw_compat_4_0_len); 467 compat_props_add(m->compat_props, pc_compat_4_0, pc_compat_4_0_len); 468 } 469 470 DEFINE_I440FX_MACHINE(v4_0, "pc-i440fx-4.0", NULL, 471 pc_i440fx_4_0_machine_options); 472 473 static void pc_i440fx_3_1_machine_options(MachineClass *m) 474 { 475 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 476 477 pc_i440fx_4_0_machine_options(m); 478 m->is_default = 0; 479 m->smbus_no_migration_support = true; 480 m->alias = NULL; 481 pcmc->pvh_enabled = false; 482 compat_props_add(m->compat_props, hw_compat_3_1, hw_compat_3_1_len); 483 compat_props_add(m->compat_props, pc_compat_3_1, pc_compat_3_1_len); 484 } 485 486 DEFINE_I440FX_MACHINE(v3_1, "pc-i440fx-3.1", NULL, 487 pc_i440fx_3_1_machine_options); 488 489 static void pc_i440fx_3_0_machine_options(MachineClass *m) 490 { 491 pc_i440fx_3_1_machine_options(m); 492 compat_props_add(m->compat_props, hw_compat_3_0, hw_compat_3_0_len); 493 compat_props_add(m->compat_props, pc_compat_3_0, pc_compat_3_0_len); 494 } 495 496 DEFINE_I440FX_MACHINE(v3_0, "pc-i440fx-3.0", NULL, 497 pc_i440fx_3_0_machine_options); 498 499 static void pc_i440fx_2_12_machine_options(MachineClass *m) 500 { 501 pc_i440fx_3_0_machine_options(m); 502 compat_props_add(m->compat_props, hw_compat_2_12, hw_compat_2_12_len); 503 compat_props_add(m->compat_props, pc_compat_2_12, pc_compat_2_12_len); 504 } 505 506 DEFINE_I440FX_MACHINE(v2_12, "pc-i440fx-2.12", NULL, 507 pc_i440fx_2_12_machine_options); 508 509 static void pc_i440fx_2_11_machine_options(MachineClass *m) 510 { 511 pc_i440fx_2_12_machine_options(m); 512 compat_props_add(m->compat_props, hw_compat_2_11, hw_compat_2_11_len); 513 compat_props_add(m->compat_props, pc_compat_2_11, pc_compat_2_11_len); 514 } 515 516 DEFINE_I440FX_MACHINE(v2_11, "pc-i440fx-2.11", NULL, 517 pc_i440fx_2_11_machine_options); 518 519 static void pc_i440fx_2_10_machine_options(MachineClass *m) 520 { 521 pc_i440fx_2_11_machine_options(m); 522 compat_props_add(m->compat_props, hw_compat_2_10, hw_compat_2_10_len); 523 compat_props_add(m->compat_props, pc_compat_2_10, pc_compat_2_10_len); 524 m->auto_enable_numa_with_memhp = false; 525 } 526 527 DEFINE_I440FX_MACHINE(v2_10, "pc-i440fx-2.10", NULL, 528 pc_i440fx_2_10_machine_options); 529 530 static void pc_i440fx_2_9_machine_options(MachineClass *m) 531 { 532 pc_i440fx_2_10_machine_options(m); 533 compat_props_add(m->compat_props, hw_compat_2_9, hw_compat_2_9_len); 534 compat_props_add(m->compat_props, pc_compat_2_9, pc_compat_2_9_len); 535 m->numa_auto_assign_ram = numa_legacy_auto_assign_ram; 536 } 537 538 DEFINE_I440FX_MACHINE(v2_9, "pc-i440fx-2.9", NULL, 539 pc_i440fx_2_9_machine_options); 540 541 static void pc_i440fx_2_8_machine_options(MachineClass *m) 542 { 543 pc_i440fx_2_9_machine_options(m); 544 compat_props_add(m->compat_props, hw_compat_2_8, hw_compat_2_8_len); 545 compat_props_add(m->compat_props, pc_compat_2_8, pc_compat_2_8_len); 546 } 547 548 DEFINE_I440FX_MACHINE(v2_8, "pc-i440fx-2.8", NULL, 549 pc_i440fx_2_8_machine_options); 550 551 static void pc_i440fx_2_7_machine_options(MachineClass *m) 552 { 553 pc_i440fx_2_8_machine_options(m); 554 compat_props_add(m->compat_props, hw_compat_2_7, hw_compat_2_7_len); 555 compat_props_add(m->compat_props, pc_compat_2_7, pc_compat_2_7_len); 556 } 557 558 DEFINE_I440FX_MACHINE(v2_7, "pc-i440fx-2.7", NULL, 559 pc_i440fx_2_7_machine_options); 560 561 static void pc_i440fx_2_6_machine_options(MachineClass *m) 562 { 563 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 564 565 pc_i440fx_2_7_machine_options(m); 566 pcmc->legacy_cpu_hotplug = true; 567 pcmc->linuxboot_dma_enabled = false; 568 compat_props_add(m->compat_props, hw_compat_2_6, hw_compat_2_6_len); 569 compat_props_add(m->compat_props, pc_compat_2_6, pc_compat_2_6_len); 570 } 571 572 DEFINE_I440FX_MACHINE(v2_6, "pc-i440fx-2.6", NULL, 573 pc_i440fx_2_6_machine_options); 574 575 static void pc_i440fx_2_5_machine_options(MachineClass *m) 576 { 577 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 578 579 pc_i440fx_2_6_machine_options(m); 580 pcmc->save_tsc_khz = false; 581 m->legacy_fw_cfg_order = 1; 582 compat_props_add(m->compat_props, hw_compat_2_5, hw_compat_2_5_len); 583 compat_props_add(m->compat_props, pc_compat_2_5, pc_compat_2_5_len); 584 } 585 586 DEFINE_I440FX_MACHINE(v2_5, "pc-i440fx-2.5", NULL, 587 pc_i440fx_2_5_machine_options); 588 589 static void pc_i440fx_2_4_machine_options(MachineClass *m) 590 { 591 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 592 593 pc_i440fx_2_5_machine_options(m); 594 m->hw_version = "2.4.0"; 595 pcmc->broken_reserved_end = true; 596 compat_props_add(m->compat_props, hw_compat_2_4, hw_compat_2_4_len); 597 compat_props_add(m->compat_props, pc_compat_2_4, pc_compat_2_4_len); 598 } 599 600 DEFINE_I440FX_MACHINE(v2_4, "pc-i440fx-2.4", NULL, 601 pc_i440fx_2_4_machine_options) 602 603 static void pc_i440fx_2_3_machine_options(MachineClass *m) 604 { 605 pc_i440fx_2_4_machine_options(m); 606 m->hw_version = "2.3.0"; 607 compat_props_add(m->compat_props, hw_compat_2_3, hw_compat_2_3_len); 608 compat_props_add(m->compat_props, pc_compat_2_3, pc_compat_2_3_len); 609 } 610 611 DEFINE_I440FX_MACHINE(v2_3, "pc-i440fx-2.3", pc_compat_2_3_fn, 612 pc_i440fx_2_3_machine_options); 613 614 static void pc_i440fx_2_2_machine_options(MachineClass *m) 615 { 616 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 617 618 pc_i440fx_2_3_machine_options(m); 619 m->hw_version = "2.2.0"; 620 m->default_machine_opts = "firmware=bios-256k.bin,suppress-vmdesc=on"; 621 compat_props_add(m->compat_props, hw_compat_2_2, hw_compat_2_2_len); 622 compat_props_add(m->compat_props, pc_compat_2_2, pc_compat_2_2_len); 623 pcmc->rsdp_in_ram = false; 624 } 625 626 DEFINE_I440FX_MACHINE(v2_2, "pc-i440fx-2.2", pc_compat_2_2_fn, 627 pc_i440fx_2_2_machine_options); 628 629 static void pc_i440fx_2_1_machine_options(MachineClass *m) 630 { 631 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 632 633 pc_i440fx_2_2_machine_options(m); 634 m->hw_version = "2.1.0"; 635 m->default_display = NULL; 636 compat_props_add(m->compat_props, hw_compat_2_1, hw_compat_2_1_len); 637 compat_props_add(m->compat_props, pc_compat_2_1, pc_compat_2_1_len); 638 pcmc->smbios_uuid_encoded = false; 639 pcmc->enforce_aligned_dimm = false; 640 } 641 642 DEFINE_I440FX_MACHINE(v2_1, "pc-i440fx-2.1", pc_compat_2_1_fn, 643 pc_i440fx_2_1_machine_options); 644 645 static void pc_i440fx_2_0_machine_options(MachineClass *m) 646 { 647 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 648 649 pc_i440fx_2_1_machine_options(m); 650 m->hw_version = "2.0.0"; 651 compat_props_add(m->compat_props, pc_compat_2_0, pc_compat_2_0_len); 652 pcmc->smbios_legacy_mode = true; 653 pcmc->has_reserved_memory = false; 654 /* This value depends on the actual DSDT and SSDT compiled into 655 * the source QEMU; unfortunately it depends on the binary and 656 * not on the machine type, so we cannot make pc-i440fx-1.7 work on 657 * both QEMU 1.7 and QEMU 2.0. 658 * 659 * Large variations cause migration to fail for more than one 660 * consecutive value of the "-smp" maxcpus option. 661 * 662 * For small variations of the kind caused by different iasl versions, 663 * the 4k rounding usually leaves slack. However, there could be still 664 * one or two values that break. For QEMU 1.7 and QEMU 2.0 the 665 * slack is only ~10 bytes before one "-smp maxcpus" value breaks! 666 * 667 * 6652 is valid for QEMU 2.0, the right value for pc-i440fx-1.7 on 668 * QEMU 1.7 it is 6414. For RHEL/CentOS 7.0 it is 6418. 669 */ 670 pcmc->legacy_acpi_table_size = 6652; 671 pcmc->acpi_data_size = 0x10000; 672 } 673 674 DEFINE_I440FX_MACHINE(v2_0, "pc-i440fx-2.0", pc_compat_2_0_fn, 675 pc_i440fx_2_0_machine_options); 676 677 static void pc_i440fx_1_7_machine_options(MachineClass *m) 678 { 679 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 680 681 pc_i440fx_2_0_machine_options(m); 682 m->hw_version = "1.7.0"; 683 m->default_machine_opts = NULL; 684 m->option_rom_has_mr = true; 685 compat_props_add(m->compat_props, pc_compat_1_7, pc_compat_1_7_len); 686 pcmc->smbios_defaults = false; 687 pcmc->gigabyte_align = false; 688 pcmc->legacy_acpi_table_size = 6414; 689 } 690 691 DEFINE_I440FX_MACHINE(v1_7, "pc-i440fx-1.7", pc_compat_1_7_fn, 692 pc_i440fx_1_7_machine_options); 693 694 static void pc_i440fx_1_6_machine_options(MachineClass *m) 695 { 696 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 697 698 pc_i440fx_1_7_machine_options(m); 699 m->hw_version = "1.6.0"; 700 m->rom_file_has_mr = false; 701 compat_props_add(m->compat_props, pc_compat_1_6, pc_compat_1_6_len); 702 pcmc->has_acpi_build = false; 703 } 704 705 DEFINE_I440FX_MACHINE(v1_6, "pc-i440fx-1.6", pc_compat_1_6_fn, 706 pc_i440fx_1_6_machine_options); 707 708 static void pc_i440fx_1_5_machine_options(MachineClass *m) 709 { 710 pc_i440fx_1_6_machine_options(m); 711 m->hw_version = "1.5.0"; 712 compat_props_add(m->compat_props, pc_compat_1_5, pc_compat_1_5_len); 713 } 714 715 DEFINE_I440FX_MACHINE(v1_5, "pc-i440fx-1.5", pc_compat_1_5_fn, 716 pc_i440fx_1_5_machine_options); 717 718 static void pc_i440fx_1_4_machine_options(MachineClass *m) 719 { 720 pc_i440fx_1_5_machine_options(m); 721 m->hw_version = "1.4.0"; 722 m->hot_add_cpu = NULL; 723 compat_props_add(m->compat_props, pc_compat_1_4, pc_compat_1_4_len); 724 } 725 726 DEFINE_I440FX_MACHINE(v1_4, "pc-i440fx-1.4", pc_compat_1_4_fn, 727 pc_i440fx_1_4_machine_options); 728 729 static void pc_i440fx_1_3_machine_options(MachineClass *m) 730 { 731 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 732 static GlobalProperty compat[] = { 733 PC_CPU_MODEL_IDS("1.3.0") 734 { "usb-tablet", "usb_version", "1" }, 735 { "virtio-net-pci", "ctrl_mac_addr", "off" }, 736 { "virtio-net-pci", "mq", "off" }, 737 { "e1000", "autonegotiation", "off" }, 738 }; 739 740 pc_i440fx_1_4_machine_options(m); 741 m->hw_version = "1.3.0"; 742 pcmc->compat_apic_id_mode = true; 743 compat_props_add(m->compat_props, compat, G_N_ELEMENTS(compat)); 744 } 745 746 DEFINE_I440FX_MACHINE(v1_3, "pc-1.3", pc_compat_1_3, 747 pc_i440fx_1_3_machine_options); 748 749 750 static void pc_i440fx_1_2_machine_options(MachineClass *m) 751 { 752 static GlobalProperty compat[] = { 753 PC_CPU_MODEL_IDS("1.2.0") 754 { "nec-usb-xhci", "msi", "off" }, 755 { "nec-usb-xhci", "msix", "off" }, 756 { "qxl", "revision", "3" }, 757 { "qxl-vga", "revision", "3" }, 758 { "VGA", "mmio", "off" }, 759 }; 760 761 pc_i440fx_1_3_machine_options(m); 762 m->hw_version = "1.2.0"; 763 compat_props_add(m->compat_props, compat, G_N_ELEMENTS(compat)); 764 } 765 766 DEFINE_I440FX_MACHINE(v1_2, "pc-1.2", pc_compat_1_2, 767 pc_i440fx_1_2_machine_options); 768 769 770 static void pc_i440fx_1_1_machine_options(MachineClass *m) 771 { 772 static GlobalProperty compat[] = { 773 PC_CPU_MODEL_IDS("1.1.0") 774 { "virtio-scsi-pci", "hotplug", "off" }, 775 { "virtio-scsi-pci", "param_change", "off" }, 776 { "VGA", "vgamem_mb", "8" }, 777 { "vmware-svga", "vgamem_mb", "8" }, 778 { "qxl-vga", "vgamem_mb", "8" }, 779 { "qxl", "vgamem_mb", "8" }, 780 { "virtio-blk-pci", "config-wce", "off" }, 781 }; 782 783 pc_i440fx_1_2_machine_options(m); 784 m->hw_version = "1.1.0"; 785 compat_props_add(m->compat_props, compat, G_N_ELEMENTS(compat)); 786 } 787 788 DEFINE_I440FX_MACHINE(v1_1, "pc-1.1", pc_compat_1_2, 789 pc_i440fx_1_1_machine_options); 790 791 static void pc_i440fx_1_0_machine_options(MachineClass *m) 792 { 793 static GlobalProperty compat[] = { 794 PC_CPU_MODEL_IDS("1.0") 795 { TYPE_ISA_FDC, "check_media_rate", "off" }, 796 { "virtio-balloon-pci", "class", stringify(PCI_CLASS_MEMORY_RAM) }, 797 { "apic-common", "vapic", "off" }, 798 { TYPE_USB_DEVICE, "full-path", "no" }, 799 }; 800 801 pc_i440fx_1_1_machine_options(m); 802 m->hw_version = "1.0"; 803 compat_props_add(m->compat_props, compat, G_N_ELEMENTS(compat)); 804 } 805 806 DEFINE_I440FX_MACHINE(v1_0, "pc-1.0", pc_compat_1_2, 807 pc_i440fx_1_0_machine_options); 808 809 810 static void pc_i440fx_0_15_machine_options(MachineClass *m) 811 { 812 static GlobalProperty compat[] = { 813 PC_CPU_MODEL_IDS("0.15") 814 }; 815 816 pc_i440fx_1_0_machine_options(m); 817 m->hw_version = "0.15"; 818 m->deprecation_reason = "use a newer machine type instead"; 819 compat_props_add(m->compat_props, compat, G_N_ELEMENTS(compat)); 820 } 821 822 DEFINE_I440FX_MACHINE(v0_15, "pc-0.15", pc_compat_1_2, 823 pc_i440fx_0_15_machine_options); 824 825 826 static void pc_i440fx_0_14_machine_options(MachineClass *m) 827 { 828 static GlobalProperty compat[] = { 829 PC_CPU_MODEL_IDS("0.14") 830 { "virtio-blk-pci", "event_idx", "off" }, 831 { "virtio-serial-pci", "event_idx", "off" }, 832 { "virtio-net-pci", "event_idx", "off" }, 833 { "virtio-balloon-pci", "event_idx", "off" }, 834 { "qxl", "revision", "2" }, 835 { "qxl-vga", "revision", "2" }, 836 }; 837 838 pc_i440fx_0_15_machine_options(m); 839 m->hw_version = "0.14"; 840 compat_props_add(m->compat_props, compat, G_N_ELEMENTS(compat)); 841 } 842 843 DEFINE_I440FX_MACHINE(v0_14, "pc-0.14", pc_compat_1_2, 844 pc_i440fx_0_14_machine_options); 845 846 static void pc_i440fx_0_13_machine_options(MachineClass *m) 847 { 848 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 849 static GlobalProperty compat[] = { 850 PC_CPU_MODEL_IDS("0.13") 851 { TYPE_PCI_DEVICE, "command_serr_enable", "off" }, 852 { "AC97", "use_broken_id", "1" }, 853 { "virtio-9p-pci", "vectors", "0" }, 854 { "VGA", "rombar", "0" }, 855 { "vmware-svga", "rombar", "0" }, 856 }; 857 858 pc_i440fx_0_14_machine_options(m); 859 m->hw_version = "0.13"; 860 compat_props_add(m->compat_props, compat, G_N_ELEMENTS(compat)); 861 pcmc->kvmclock_enabled = false; 862 } 863 864 DEFINE_I440FX_MACHINE(v0_13, "pc-0.13", pc_compat_0_13, 865 pc_i440fx_0_13_machine_options); 866 867 static void pc_i440fx_0_12_machine_options(MachineClass *m) 868 { 869 static GlobalProperty compat[] = { 870 PC_CPU_MODEL_IDS("0.12") 871 { "virtio-serial-pci", "max_ports", "1" }, 872 { "virtio-serial-pci", "vectors", "0" }, 873 { "usb-mouse", "serial", "1" }, 874 { "usb-tablet", "serial", "1" }, 875 { "usb-kbd", "serial", "1" }, 876 }; 877 878 pc_i440fx_0_13_machine_options(m); 879 m->hw_version = "0.12"; 880 compat_props_add(m->compat_props, compat, G_N_ELEMENTS(compat)); 881 } 882 883 DEFINE_I440FX_MACHINE(v0_12, "pc-0.12", pc_compat_0_13, 884 pc_i440fx_0_12_machine_options); 885 886 typedef struct { 887 uint16_t gpu_device_id; 888 uint16_t pch_device_id; 889 uint8_t pch_revision_id; 890 } IGDDeviceIDInfo; 891 892 /* In real world different GPU should have different PCH. But actually 893 * the different PCH DIDs likely map to different PCH SKUs. We do the 894 * same thing for the GPU. For PCH, the different SKUs are going to be 895 * all the same silicon design and implementation, just different 896 * features turn on and off with fuses. The SW interfaces should be 897 * consistent across all SKUs in a given family (eg LPT). But just same 898 * features may not be supported. 899 * 900 * Most of these different PCH features probably don't matter to the 901 * Gfx driver, but obviously any difference in display port connections 902 * will so it should be fine with any PCH in case of passthrough. 903 * 904 * So currently use one PCH version, 0x8c4e, to cover all HSW(Haswell) 905 * scenarios, 0x9cc3 for BDW(Broadwell). 906 */ 907 static const IGDDeviceIDInfo igd_combo_id_infos[] = { 908 /* HSW Classic */ 909 {0x0402, 0x8c4e, 0x04}, /* HSWGT1D, HSWD_w7 */ 910 {0x0406, 0x8c4e, 0x04}, /* HSWGT1M, HSWM_w7 */ 911 {0x0412, 0x8c4e, 0x04}, /* HSWGT2D, HSWD_w7 */ 912 {0x0416, 0x8c4e, 0x04}, /* HSWGT2M, HSWM_w7 */ 913 {0x041E, 0x8c4e, 0x04}, /* HSWGT15D, HSWD_w7 */ 914 /* HSW ULT */ 915 {0x0A06, 0x8c4e, 0x04}, /* HSWGT1UT, HSWM_w7 */ 916 {0x0A16, 0x8c4e, 0x04}, /* HSWGT2UT, HSWM_w7 */ 917 {0x0A26, 0x8c4e, 0x06}, /* HSWGT3UT, HSWM_w7 */ 918 {0x0A2E, 0x8c4e, 0x04}, /* HSWGT3UT28W, HSWM_w7 */ 919 {0x0A1E, 0x8c4e, 0x04}, /* HSWGT2UX, HSWM_w7 */ 920 {0x0A0E, 0x8c4e, 0x04}, /* HSWGT1ULX, HSWM_w7 */ 921 /* HSW CRW */ 922 {0x0D26, 0x8c4e, 0x04}, /* HSWGT3CW, HSWM_w7 */ 923 {0x0D22, 0x8c4e, 0x04}, /* HSWGT3CWDT, HSWD_w7 */ 924 /* HSW Server */ 925 {0x041A, 0x8c4e, 0x04}, /* HSWSVGT2, HSWD_w7 */ 926 /* HSW SRVR */ 927 {0x040A, 0x8c4e, 0x04}, /* HSWSVGT1, HSWD_w7 */ 928 /* BSW */ 929 {0x1606, 0x9cc3, 0x03}, /* BDWULTGT1, BDWM_w7 */ 930 {0x1616, 0x9cc3, 0x03}, /* BDWULTGT2, BDWM_w7 */ 931 {0x1626, 0x9cc3, 0x03}, /* BDWULTGT3, BDWM_w7 */ 932 {0x160E, 0x9cc3, 0x03}, /* BDWULXGT1, BDWM_w7 */ 933 {0x161E, 0x9cc3, 0x03}, /* BDWULXGT2, BDWM_w7 */ 934 {0x1602, 0x9cc3, 0x03}, /* BDWHALOGT1, BDWM_w7 */ 935 {0x1612, 0x9cc3, 0x03}, /* BDWHALOGT2, BDWM_w7 */ 936 {0x1622, 0x9cc3, 0x03}, /* BDWHALOGT3, BDWM_w7 */ 937 {0x162B, 0x9cc3, 0x03}, /* BDWHALO28W, BDWM_w7 */ 938 {0x162A, 0x9cc3, 0x03}, /* BDWGT3WRKS, BDWM_w7 */ 939 {0x162D, 0x9cc3, 0x03}, /* BDWGT3SRVR, BDWM_w7 */ 940 }; 941 942 static void isa_bridge_class_init(ObjectClass *klass, void *data) 943 { 944 DeviceClass *dc = DEVICE_CLASS(klass); 945 PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); 946 947 dc->desc = "ISA bridge faked to support IGD PT"; 948 set_bit(DEVICE_CATEGORY_BRIDGE, dc->categories); 949 k->vendor_id = PCI_VENDOR_ID_INTEL; 950 k->class_id = PCI_CLASS_BRIDGE_ISA; 951 }; 952 953 static TypeInfo isa_bridge_info = { 954 .name = "igd-passthrough-isa-bridge", 955 .parent = TYPE_PCI_DEVICE, 956 .instance_size = sizeof(PCIDevice), 957 .class_init = isa_bridge_class_init, 958 .interfaces = (InterfaceInfo[]) { 959 { INTERFACE_CONVENTIONAL_PCI_DEVICE }, 960 { }, 961 }, 962 }; 963 964 static void pt_graphics_register_types(void) 965 { 966 type_register_static(&isa_bridge_info); 967 } 968 type_init(pt_graphics_register_types) 969 970 void igd_passthrough_isa_bridge_create(PCIBus *bus, uint16_t gpu_dev_id) 971 { 972 struct PCIDevice *bridge_dev; 973 int i, num; 974 uint16_t pch_dev_id = 0xffff; 975 uint8_t pch_rev_id; 976 977 num = ARRAY_SIZE(igd_combo_id_infos); 978 for (i = 0; i < num; i++) { 979 if (gpu_dev_id == igd_combo_id_infos[i].gpu_device_id) { 980 pch_dev_id = igd_combo_id_infos[i].pch_device_id; 981 pch_rev_id = igd_combo_id_infos[i].pch_revision_id; 982 } 983 } 984 985 if (pch_dev_id == 0xffff) { 986 return; 987 } 988 989 /* Currently IGD drivers always need to access PCH by 1f.0. */ 990 bridge_dev = pci_create_simple(bus, PCI_DEVFN(0x1f, 0), 991 "igd-passthrough-isa-bridge"); 992 993 /* 994 * Note that vendor id is always PCI_VENDOR_ID_INTEL. 995 */ 996 if (!bridge_dev) { 997 fprintf(stderr, "set igd-passthrough-isa-bridge failed!\n"); 998 return; 999 } 1000 pci_config_set_device_id(bridge_dev->config, pch_dev_id); 1001 pci_config_set_revision(bridge_dev->config, pch_rev_id); 1002 } 1003 1004 static void isapc_machine_options(MachineClass *m) 1005 { 1006 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 1007 m->desc = "ISA-only PC"; 1008 m->max_cpus = 1; 1009 m->option_rom_has_mr = true; 1010 m->rom_file_has_mr = false; 1011 pcmc->pci_enabled = false; 1012 pcmc->has_acpi_build = false; 1013 pcmc->smbios_defaults = false; 1014 pcmc->gigabyte_align = false; 1015 pcmc->smbios_legacy_mode = true; 1016 pcmc->has_reserved_memory = false; 1017 pcmc->default_nic_model = "ne2k_isa"; 1018 m->default_cpu_type = X86_CPU_TYPE_NAME("486"); 1019 } 1020 1021 DEFINE_PC_MACHINE(isapc, "isapc", pc_init_isa, 1022 isapc_machine_options); 1023 1024 1025 #ifdef CONFIG_XEN 1026 static void xenfv_machine_options(MachineClass *m) 1027 { 1028 m->desc = "Xen Fully-virtualized PC"; 1029 m->max_cpus = HVM_MAX_VCPUS; 1030 m->default_machine_opts = "accel=xen"; 1031 } 1032 1033 DEFINE_PC_MACHINE(xenfv, "xenfv", pc_xen_hvm_init, 1034 xenfv_machine_options); 1035 #endif 1036