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/boards.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 "kvm_i386.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 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 *i8259; 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 (!pcms->max_ram_below_4g) { 130 pcms->max_ram_below_4g = 0xe0000000; /* default: 3.5G */ 131 } 132 lowmem = pcms->max_ram_below_4g; 133 if (machine->ram_size >= pcms->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 pcms->max_ram_below_4g); 143 } 144 } 145 } 146 147 if (machine->ram_size >= lowmem) { 148 pcms->above_4g_mem_size = machine->ram_size - lowmem; 149 pcms->below_4g_mem_size = lowmem; 150 } else { 151 pcms->above_4g_mem_size = 0; 152 pcms->below_4g_mem_size = machine->ram_size; 153 } 154 } 155 156 pc_cpus_init(pcms); 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 = g_malloc0(sizeof(*gsi_state)); 192 if (kvm_ioapic_in_kernel()) { 193 kvm_pc_setup_irq_routing(pcmc->pci_enabled); 194 pcms->gsi = qemu_allocate_irqs(kvm_pc_gsi_handler, gsi_state, 195 GSI_NUM_PINS); 196 } else { 197 pcms->gsi = qemu_allocate_irqs(gsi_handler, gsi_state, GSI_NUM_PINS); 198 } 199 200 if (pcmc->pci_enabled) { 201 pci_bus = i440fx_init(host_type, 202 pci_type, 203 &i440fx_state, &piix3_devfn, &isa_bus, pcms->gsi, 204 system_memory, system_io, machine->ram_size, 205 pcms->below_4g_mem_size, 206 pcms->above_4g_mem_size, 207 pci_memory, ram_memory); 208 pcms->bus = pci_bus; 209 } else { 210 pci_bus = NULL; 211 i440fx_state = NULL; 212 isa_bus = isa_bus_new(NULL, get_system_memory(), system_io, 213 &error_abort); 214 no_hpet = 1; 215 } 216 isa_bus_irqs(isa_bus, pcms->gsi); 217 218 if (kvm_pic_in_kernel()) { 219 i8259 = kvm_i8259_init(isa_bus); 220 } else if (xen_enabled()) { 221 i8259 = xen_interrupt_controller_init(); 222 } else { 223 i8259 = i8259_init(isa_bus, pc_allocate_cpu_irq()); 224 } 225 226 for (i = 0; i < ISA_NUM_IRQS; i++) { 227 gsi_state->i8259_irq[i] = i8259[i]; 228 } 229 g_free(i8259); 230 if (pcmc->pci_enabled) { 231 ioapic_init_gsi(gsi_state, "i440fx"); 232 } 233 234 pc_register_ferr_irq(pcms->gsi[13]); 235 236 pc_vga_init(isa_bus, pcmc->pci_enabled ? pci_bus : NULL); 237 238 assert(pcms->vmport != ON_OFF_AUTO__MAX); 239 if (pcms->vmport == ON_OFF_AUTO_AUTO) { 240 pcms->vmport = xen_enabled() ? ON_OFF_AUTO_OFF : ON_OFF_AUTO_ON; 241 } 242 243 /* init basic PC hardware */ 244 pc_basic_device_init(isa_bus, pcms->gsi, &rtc_state, true, 245 (pcms->vmport != ON_OFF_AUTO_ON), pcms->pit_enabled, 246 0x4); 247 248 pc_nic_init(pcmc, isa_bus, pci_bus); 249 250 ide_drive_get(hd, ARRAY_SIZE(hd)); 251 if (pcmc->pci_enabled) { 252 PCIDevice *dev; 253 if (xen_enabled()) { 254 dev = pci_piix3_xen_ide_init(pci_bus, hd, piix3_devfn + 1); 255 } else { 256 dev = pci_piix3_ide_init(pci_bus, hd, piix3_devfn + 1); 257 } 258 idebus[0] = qdev_get_child_bus(&dev->qdev, "ide.0"); 259 idebus[1] = qdev_get_child_bus(&dev->qdev, "ide.1"); 260 pc_cmos_init(pcms, idebus[0], idebus[1], rtc_state); 261 } 262 #ifdef CONFIG_IDE_ISA 263 else { 264 for(i = 0; i < MAX_IDE_BUS; i++) { 265 ISADevice *dev; 266 char busname[] = "ide.0"; 267 dev = isa_ide_init(isa_bus, ide_iobase[i], ide_iobase2[i], 268 ide_irq[i], 269 hd[MAX_IDE_DEVS * i], hd[MAX_IDE_DEVS * i + 1]); 270 /* 271 * The ide bus name is ide.0 for the first bus and ide.1 for the 272 * second one. 273 */ 274 busname[4] = '0' + i; 275 idebus[i] = qdev_get_child_bus(DEVICE(dev), busname); 276 } 277 pc_cmos_init(pcms, idebus[0], idebus[1], rtc_state); 278 } 279 #endif 280 281 if (pcmc->pci_enabled && machine_usb(machine)) { 282 pci_create_simple(pci_bus, piix3_devfn + 2, "piix3-usb-uhci"); 283 } 284 285 if (pcmc->pci_enabled && acpi_enabled) { 286 DeviceState *piix4_pm; 287 I2CBus *smbus; 288 289 smi_irq = qemu_allocate_irq(pc_acpi_smi_interrupt, first_cpu, 0); 290 /* TODO: Populate SPD eeprom data. */ 291 smbus = piix4_pm_init(pci_bus, piix3_devfn + 3, 0xb100, 292 pcms->gsi[9], smi_irq, 293 pc_machine_is_smm_enabled(pcms), 294 &piix4_pm); 295 smbus_eeprom_init(smbus, 8, NULL, 0); 296 297 object_property_add_link(OBJECT(machine), PC_MACHINE_ACPI_DEVICE_PROP, 298 TYPE_HOTPLUG_HANDLER, 299 (Object **)&pcms->acpi_dev, 300 object_property_allow_set_link, 301 OBJ_PROP_LINK_STRONG, &error_abort); 302 object_property_set_link(OBJECT(machine), OBJECT(piix4_pm), 303 PC_MACHINE_ACPI_DEVICE_PROP, &error_abort); 304 } 305 306 if (machine->nvdimms_state->is_enabled) { 307 nvdimm_init_acpi_state(machine->nvdimms_state, system_io, 308 pcms->fw_cfg, OBJECT(pcms)); 309 } 310 } 311 312 /* Looking for a pc_compat_2_4() function? It doesn't exist. 313 * pc_compat_*() functions that run on machine-init time and 314 * change global QEMU state are deprecated. Please don't create 315 * one, and implement any pc-*-2.4 (and newer) compat code in 316 * HW_COMPAT_*, PC_COMPAT_*, or * pc_*_machine_options(). 317 */ 318 319 static void pc_compat_2_3_fn(MachineState *machine) 320 { 321 PCMachineState *pcms = PC_MACHINE(machine); 322 if (kvm_enabled()) { 323 pcms->smm = ON_OFF_AUTO_OFF; 324 } 325 } 326 327 static void pc_compat_2_2_fn(MachineState *machine) 328 { 329 pc_compat_2_3_fn(machine); 330 } 331 332 static void pc_compat_2_1_fn(MachineState *machine) 333 { 334 pc_compat_2_2_fn(machine); 335 x86_cpu_change_kvm_default("svm", NULL); 336 } 337 338 static void pc_compat_2_0_fn(MachineState *machine) 339 { 340 pc_compat_2_1_fn(machine); 341 } 342 343 static void pc_compat_1_7_fn(MachineState *machine) 344 { 345 pc_compat_2_0_fn(machine); 346 x86_cpu_change_kvm_default("x2apic", NULL); 347 } 348 349 static void pc_compat_1_6_fn(MachineState *machine) 350 { 351 pc_compat_1_7_fn(machine); 352 } 353 354 static void pc_compat_1_5_fn(MachineState *machine) 355 { 356 pc_compat_1_6_fn(machine); 357 } 358 359 static void pc_compat_1_4_fn(MachineState *machine) 360 { 361 pc_compat_1_5_fn(machine); 362 } 363 364 static void pc_compat_1_3(MachineState *machine) 365 { 366 pc_compat_1_4_fn(machine); 367 } 368 369 /* PC compat function for pc-0.14 to pc-1.2 */ 370 static void pc_compat_1_2(MachineState *machine) 371 { 372 pc_compat_1_3(machine); 373 x86_cpu_change_kvm_default("kvm-pv-eoi", NULL); 374 } 375 376 /* PC compat function for pc-0.12 and pc-0.13 */ 377 static void pc_compat_0_13(MachineState *machine) 378 { 379 pc_compat_1_2(machine); 380 } 381 382 static void pc_init_isa(MachineState *machine) 383 { 384 pc_init1(machine, TYPE_I440FX_PCI_HOST_BRIDGE, TYPE_I440FX_PCI_DEVICE); 385 } 386 387 #ifdef CONFIG_XEN 388 static void pc_xen_hvm_init_pci(MachineState *machine) 389 { 390 const char *pci_type = has_igd_gfx_passthru ? 391 TYPE_IGD_PASSTHROUGH_I440FX_PCI_DEVICE : TYPE_I440FX_PCI_DEVICE; 392 393 pc_init1(machine, 394 TYPE_I440FX_PCI_HOST_BRIDGE, 395 pci_type); 396 } 397 398 static void pc_xen_hvm_init(MachineState *machine) 399 { 400 PCMachineState *pcms = PC_MACHINE(machine); 401 402 if (!xen_enabled()) { 403 error_report("xenfv machine requires the xen accelerator"); 404 exit(1); 405 } 406 407 pc_xen_hvm_init_pci(machine); 408 pci_create_simple(pcms->bus, -1, "xen-platform"); 409 } 410 #endif 411 412 #define DEFINE_I440FX_MACHINE(suffix, name, compatfn, optionfn) \ 413 static void pc_init_##suffix(MachineState *machine) \ 414 { \ 415 void (*compat)(MachineState *m) = (compatfn); \ 416 if (compat) { \ 417 compat(machine); \ 418 } \ 419 pc_init1(machine, TYPE_I440FX_PCI_HOST_BRIDGE, \ 420 TYPE_I440FX_PCI_DEVICE); \ 421 } \ 422 DEFINE_PC_MACHINE(suffix, name, pc_init_##suffix, optionfn) 423 424 static void pc_i440fx_machine_options(MachineClass *m) 425 { 426 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 427 pcmc->default_nic_model = "e1000"; 428 429 m->family = "pc_piix"; 430 m->desc = "Standard PC (i440FX + PIIX, 1996)"; 431 m->default_machine_opts = "firmware=bios-256k.bin"; 432 m->default_display = "std"; 433 machine_class_allow_dynamic_sysbus_dev(m, TYPE_RAMFB_DEVICE); 434 } 435 436 static void pc_i440fx_4_1_machine_options(MachineClass *m) 437 { 438 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 439 pc_i440fx_machine_options(m); 440 m->alias = "pc"; 441 m->is_default = 1; 442 pcmc->default_cpu_version = 1; 443 } 444 445 DEFINE_I440FX_MACHINE(v4_1, "pc-i440fx-4.1", NULL, 446 pc_i440fx_4_1_machine_options); 447 448 static void pc_i440fx_4_0_machine_options(MachineClass *m) 449 { 450 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 451 pc_i440fx_4_1_machine_options(m); 452 m->alias = NULL; 453 m->is_default = 0; 454 pcmc->default_cpu_version = CPU_VERSION_LEGACY; 455 compat_props_add(m->compat_props, hw_compat_4_0, hw_compat_4_0_len); 456 compat_props_add(m->compat_props, pc_compat_4_0, pc_compat_4_0_len); 457 } 458 459 DEFINE_I440FX_MACHINE(v4_0, "pc-i440fx-4.0", NULL, 460 pc_i440fx_4_0_machine_options); 461 462 static void pc_i440fx_3_1_machine_options(MachineClass *m) 463 { 464 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 465 466 pc_i440fx_4_0_machine_options(m); 467 m->is_default = 0; 468 m->smbus_no_migration_support = true; 469 m->alias = NULL; 470 pcmc->pvh_enabled = false; 471 compat_props_add(m->compat_props, hw_compat_3_1, hw_compat_3_1_len); 472 compat_props_add(m->compat_props, pc_compat_3_1, pc_compat_3_1_len); 473 } 474 475 DEFINE_I440FX_MACHINE(v3_1, "pc-i440fx-3.1", NULL, 476 pc_i440fx_3_1_machine_options); 477 478 static void pc_i440fx_3_0_machine_options(MachineClass *m) 479 { 480 pc_i440fx_3_1_machine_options(m); 481 compat_props_add(m->compat_props, hw_compat_3_0, hw_compat_3_0_len); 482 compat_props_add(m->compat_props, pc_compat_3_0, pc_compat_3_0_len); 483 } 484 485 DEFINE_I440FX_MACHINE(v3_0, "pc-i440fx-3.0", NULL, 486 pc_i440fx_3_0_machine_options); 487 488 static void pc_i440fx_2_12_machine_options(MachineClass *m) 489 { 490 pc_i440fx_3_0_machine_options(m); 491 compat_props_add(m->compat_props, hw_compat_2_12, hw_compat_2_12_len); 492 compat_props_add(m->compat_props, pc_compat_2_12, pc_compat_2_12_len); 493 } 494 495 DEFINE_I440FX_MACHINE(v2_12, "pc-i440fx-2.12", NULL, 496 pc_i440fx_2_12_machine_options); 497 498 static void pc_i440fx_2_11_machine_options(MachineClass *m) 499 { 500 pc_i440fx_2_12_machine_options(m); 501 compat_props_add(m->compat_props, hw_compat_2_11, hw_compat_2_11_len); 502 compat_props_add(m->compat_props, pc_compat_2_11, pc_compat_2_11_len); 503 } 504 505 DEFINE_I440FX_MACHINE(v2_11, "pc-i440fx-2.11", NULL, 506 pc_i440fx_2_11_machine_options); 507 508 static void pc_i440fx_2_10_machine_options(MachineClass *m) 509 { 510 pc_i440fx_2_11_machine_options(m); 511 compat_props_add(m->compat_props, hw_compat_2_10, hw_compat_2_10_len); 512 compat_props_add(m->compat_props, pc_compat_2_10, pc_compat_2_10_len); 513 m->auto_enable_numa_with_memhp = false; 514 } 515 516 DEFINE_I440FX_MACHINE(v2_10, "pc-i440fx-2.10", NULL, 517 pc_i440fx_2_10_machine_options); 518 519 static void pc_i440fx_2_9_machine_options(MachineClass *m) 520 { 521 pc_i440fx_2_10_machine_options(m); 522 compat_props_add(m->compat_props, hw_compat_2_9, hw_compat_2_9_len); 523 compat_props_add(m->compat_props, pc_compat_2_9, pc_compat_2_9_len); 524 m->numa_auto_assign_ram = numa_legacy_auto_assign_ram; 525 } 526 527 DEFINE_I440FX_MACHINE(v2_9, "pc-i440fx-2.9", NULL, 528 pc_i440fx_2_9_machine_options); 529 530 static void pc_i440fx_2_8_machine_options(MachineClass *m) 531 { 532 pc_i440fx_2_9_machine_options(m); 533 compat_props_add(m->compat_props, hw_compat_2_8, hw_compat_2_8_len); 534 compat_props_add(m->compat_props, pc_compat_2_8, pc_compat_2_8_len); 535 } 536 537 DEFINE_I440FX_MACHINE(v2_8, "pc-i440fx-2.8", NULL, 538 pc_i440fx_2_8_machine_options); 539 540 static void pc_i440fx_2_7_machine_options(MachineClass *m) 541 { 542 pc_i440fx_2_8_machine_options(m); 543 compat_props_add(m->compat_props, hw_compat_2_7, hw_compat_2_7_len); 544 compat_props_add(m->compat_props, pc_compat_2_7, pc_compat_2_7_len); 545 } 546 547 DEFINE_I440FX_MACHINE(v2_7, "pc-i440fx-2.7", NULL, 548 pc_i440fx_2_7_machine_options); 549 550 static void pc_i440fx_2_6_machine_options(MachineClass *m) 551 { 552 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 553 554 pc_i440fx_2_7_machine_options(m); 555 pcmc->legacy_cpu_hotplug = true; 556 pcmc->linuxboot_dma_enabled = false; 557 compat_props_add(m->compat_props, hw_compat_2_6, hw_compat_2_6_len); 558 compat_props_add(m->compat_props, pc_compat_2_6, pc_compat_2_6_len); 559 } 560 561 DEFINE_I440FX_MACHINE(v2_6, "pc-i440fx-2.6", NULL, 562 pc_i440fx_2_6_machine_options); 563 564 static void pc_i440fx_2_5_machine_options(MachineClass *m) 565 { 566 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 567 568 pc_i440fx_2_6_machine_options(m); 569 pcmc->save_tsc_khz = false; 570 m->legacy_fw_cfg_order = 1; 571 compat_props_add(m->compat_props, hw_compat_2_5, hw_compat_2_5_len); 572 compat_props_add(m->compat_props, pc_compat_2_5, pc_compat_2_5_len); 573 } 574 575 DEFINE_I440FX_MACHINE(v2_5, "pc-i440fx-2.5", NULL, 576 pc_i440fx_2_5_machine_options); 577 578 static void pc_i440fx_2_4_machine_options(MachineClass *m) 579 { 580 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 581 582 pc_i440fx_2_5_machine_options(m); 583 m->hw_version = "2.4.0"; 584 pcmc->broken_reserved_end = true; 585 compat_props_add(m->compat_props, hw_compat_2_4, hw_compat_2_4_len); 586 compat_props_add(m->compat_props, pc_compat_2_4, pc_compat_2_4_len); 587 } 588 589 DEFINE_I440FX_MACHINE(v2_4, "pc-i440fx-2.4", NULL, 590 pc_i440fx_2_4_machine_options) 591 592 static void pc_i440fx_2_3_machine_options(MachineClass *m) 593 { 594 pc_i440fx_2_4_machine_options(m); 595 m->hw_version = "2.3.0"; 596 compat_props_add(m->compat_props, hw_compat_2_3, hw_compat_2_3_len); 597 compat_props_add(m->compat_props, pc_compat_2_3, pc_compat_2_3_len); 598 } 599 600 DEFINE_I440FX_MACHINE(v2_3, "pc-i440fx-2.3", pc_compat_2_3_fn, 601 pc_i440fx_2_3_machine_options); 602 603 static void pc_i440fx_2_2_machine_options(MachineClass *m) 604 { 605 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 606 607 pc_i440fx_2_3_machine_options(m); 608 m->hw_version = "2.2.0"; 609 m->default_machine_opts = "firmware=bios-256k.bin,suppress-vmdesc=on"; 610 compat_props_add(m->compat_props, hw_compat_2_2, hw_compat_2_2_len); 611 compat_props_add(m->compat_props, pc_compat_2_2, pc_compat_2_2_len); 612 pcmc->rsdp_in_ram = false; 613 } 614 615 DEFINE_I440FX_MACHINE(v2_2, "pc-i440fx-2.2", pc_compat_2_2_fn, 616 pc_i440fx_2_2_machine_options); 617 618 static void pc_i440fx_2_1_machine_options(MachineClass *m) 619 { 620 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 621 622 pc_i440fx_2_2_machine_options(m); 623 m->hw_version = "2.1.0"; 624 m->default_display = NULL; 625 compat_props_add(m->compat_props, hw_compat_2_1, hw_compat_2_1_len); 626 compat_props_add(m->compat_props, pc_compat_2_1, pc_compat_2_1_len); 627 pcmc->smbios_uuid_encoded = false; 628 pcmc->enforce_aligned_dimm = false; 629 } 630 631 DEFINE_I440FX_MACHINE(v2_1, "pc-i440fx-2.1", pc_compat_2_1_fn, 632 pc_i440fx_2_1_machine_options); 633 634 static void pc_i440fx_2_0_machine_options(MachineClass *m) 635 { 636 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 637 638 pc_i440fx_2_1_machine_options(m); 639 m->hw_version = "2.0.0"; 640 compat_props_add(m->compat_props, pc_compat_2_0, pc_compat_2_0_len); 641 pcmc->smbios_legacy_mode = true; 642 pcmc->has_reserved_memory = false; 643 /* This value depends on the actual DSDT and SSDT compiled into 644 * the source QEMU; unfortunately it depends on the binary and 645 * not on the machine type, so we cannot make pc-i440fx-1.7 work on 646 * both QEMU 1.7 and QEMU 2.0. 647 * 648 * Large variations cause migration to fail for more than one 649 * consecutive value of the "-smp" maxcpus option. 650 * 651 * For small variations of the kind caused by different iasl versions, 652 * the 4k rounding usually leaves slack. However, there could be still 653 * one or two values that break. For QEMU 1.7 and QEMU 2.0 the 654 * slack is only ~10 bytes before one "-smp maxcpus" value breaks! 655 * 656 * 6652 is valid for QEMU 2.0, the right value for pc-i440fx-1.7 on 657 * QEMU 1.7 it is 6414. For RHEL/CentOS 7.0 it is 6418. 658 */ 659 pcmc->legacy_acpi_table_size = 6652; 660 pcmc->acpi_data_size = 0x10000; 661 } 662 663 DEFINE_I440FX_MACHINE(v2_0, "pc-i440fx-2.0", pc_compat_2_0_fn, 664 pc_i440fx_2_0_machine_options); 665 666 static void pc_i440fx_1_7_machine_options(MachineClass *m) 667 { 668 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 669 670 pc_i440fx_2_0_machine_options(m); 671 m->hw_version = "1.7.0"; 672 m->default_machine_opts = NULL; 673 m->option_rom_has_mr = true; 674 compat_props_add(m->compat_props, pc_compat_1_7, pc_compat_1_7_len); 675 pcmc->smbios_defaults = false; 676 pcmc->gigabyte_align = false; 677 pcmc->legacy_acpi_table_size = 6414; 678 } 679 680 DEFINE_I440FX_MACHINE(v1_7, "pc-i440fx-1.7", pc_compat_1_7_fn, 681 pc_i440fx_1_7_machine_options); 682 683 static void pc_i440fx_1_6_machine_options(MachineClass *m) 684 { 685 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 686 687 pc_i440fx_1_7_machine_options(m); 688 m->hw_version = "1.6.0"; 689 m->rom_file_has_mr = false; 690 compat_props_add(m->compat_props, pc_compat_1_6, pc_compat_1_6_len); 691 pcmc->has_acpi_build = false; 692 } 693 694 DEFINE_I440FX_MACHINE(v1_6, "pc-i440fx-1.6", pc_compat_1_6_fn, 695 pc_i440fx_1_6_machine_options); 696 697 static void pc_i440fx_1_5_machine_options(MachineClass *m) 698 { 699 pc_i440fx_1_6_machine_options(m); 700 m->hw_version = "1.5.0"; 701 compat_props_add(m->compat_props, pc_compat_1_5, pc_compat_1_5_len); 702 } 703 704 DEFINE_I440FX_MACHINE(v1_5, "pc-i440fx-1.5", pc_compat_1_5_fn, 705 pc_i440fx_1_5_machine_options); 706 707 static void pc_i440fx_1_4_machine_options(MachineClass *m) 708 { 709 pc_i440fx_1_5_machine_options(m); 710 m->hw_version = "1.4.0"; 711 m->hot_add_cpu = NULL; 712 compat_props_add(m->compat_props, pc_compat_1_4, pc_compat_1_4_len); 713 } 714 715 DEFINE_I440FX_MACHINE(v1_4, "pc-i440fx-1.4", pc_compat_1_4_fn, 716 pc_i440fx_1_4_machine_options); 717 718 static void pc_i440fx_1_3_machine_options(MachineClass *m) 719 { 720 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 721 static GlobalProperty compat[] = { 722 PC_CPU_MODEL_IDS("1.3.0") 723 { "usb-tablet", "usb_version", "1" }, 724 { "virtio-net-pci", "ctrl_mac_addr", "off" }, 725 { "virtio-net-pci", "mq", "off" }, 726 { "e1000", "autonegotiation", "off" }, 727 }; 728 729 pc_i440fx_1_4_machine_options(m); 730 m->hw_version = "1.3.0"; 731 pcmc->compat_apic_id_mode = true; 732 compat_props_add(m->compat_props, compat, G_N_ELEMENTS(compat)); 733 } 734 735 DEFINE_I440FX_MACHINE(v1_3, "pc-1.3", pc_compat_1_3, 736 pc_i440fx_1_3_machine_options); 737 738 739 static void pc_i440fx_1_2_machine_options(MachineClass *m) 740 { 741 static GlobalProperty compat[] = { 742 PC_CPU_MODEL_IDS("1.2.0") 743 { "nec-usb-xhci", "msi", "off" }, 744 { "nec-usb-xhci", "msix", "off" }, 745 { "qxl", "revision", "3" }, 746 { "qxl-vga", "revision", "3" }, 747 { "VGA", "mmio", "off" }, 748 }; 749 750 pc_i440fx_1_3_machine_options(m); 751 m->hw_version = "1.2.0"; 752 compat_props_add(m->compat_props, compat, G_N_ELEMENTS(compat)); 753 } 754 755 DEFINE_I440FX_MACHINE(v1_2, "pc-1.2", pc_compat_1_2, 756 pc_i440fx_1_2_machine_options); 757 758 759 static void pc_i440fx_1_1_machine_options(MachineClass *m) 760 { 761 static GlobalProperty compat[] = { 762 PC_CPU_MODEL_IDS("1.1.0") 763 { "virtio-scsi-pci", "hotplug", "off" }, 764 { "virtio-scsi-pci", "param_change", "off" }, 765 { "VGA", "vgamem_mb", "8" }, 766 { "vmware-svga", "vgamem_mb", "8" }, 767 { "qxl-vga", "vgamem_mb", "8" }, 768 { "qxl", "vgamem_mb", "8" }, 769 { "virtio-blk-pci", "config-wce", "off" }, 770 }; 771 772 pc_i440fx_1_2_machine_options(m); 773 m->hw_version = "1.1.0"; 774 compat_props_add(m->compat_props, compat, G_N_ELEMENTS(compat)); 775 } 776 777 DEFINE_I440FX_MACHINE(v1_1, "pc-1.1", pc_compat_1_2, 778 pc_i440fx_1_1_machine_options); 779 780 static void pc_i440fx_1_0_machine_options(MachineClass *m) 781 { 782 static GlobalProperty compat[] = { 783 PC_CPU_MODEL_IDS("1.0") 784 { TYPE_ISA_FDC, "check_media_rate", "off" }, 785 { "virtio-balloon-pci", "class", stringify(PCI_CLASS_MEMORY_RAM) }, 786 { "apic-common", "vapic", "off" }, 787 { TYPE_USB_DEVICE, "full-path", "no" }, 788 }; 789 790 pc_i440fx_1_1_machine_options(m); 791 m->hw_version = "1.0"; 792 compat_props_add(m->compat_props, compat, G_N_ELEMENTS(compat)); 793 } 794 795 DEFINE_I440FX_MACHINE(v1_0, "pc-1.0", pc_compat_1_2, 796 pc_i440fx_1_0_machine_options); 797 798 799 static void pc_i440fx_0_15_machine_options(MachineClass *m) 800 { 801 static GlobalProperty compat[] = { 802 PC_CPU_MODEL_IDS("0.15") 803 }; 804 805 pc_i440fx_1_0_machine_options(m); 806 m->hw_version = "0.15"; 807 m->deprecation_reason = "use a newer machine type instead"; 808 compat_props_add(m->compat_props, compat, G_N_ELEMENTS(compat)); 809 } 810 811 DEFINE_I440FX_MACHINE(v0_15, "pc-0.15", pc_compat_1_2, 812 pc_i440fx_0_15_machine_options); 813 814 815 static void pc_i440fx_0_14_machine_options(MachineClass *m) 816 { 817 static GlobalProperty compat[] = { 818 PC_CPU_MODEL_IDS("0.14") 819 { "virtio-blk-pci", "event_idx", "off" }, 820 { "virtio-serial-pci", "event_idx", "off" }, 821 { "virtio-net-pci", "event_idx", "off" }, 822 { "virtio-balloon-pci", "event_idx", "off" }, 823 { "qxl", "revision", "2" }, 824 { "qxl-vga", "revision", "2" }, 825 }; 826 827 pc_i440fx_0_15_machine_options(m); 828 m->hw_version = "0.14"; 829 compat_props_add(m->compat_props, compat, G_N_ELEMENTS(compat)); 830 } 831 832 DEFINE_I440FX_MACHINE(v0_14, "pc-0.14", pc_compat_1_2, 833 pc_i440fx_0_14_machine_options); 834 835 static void pc_i440fx_0_13_machine_options(MachineClass *m) 836 { 837 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 838 static GlobalProperty compat[] = { 839 PC_CPU_MODEL_IDS("0.13") 840 { TYPE_PCI_DEVICE, "command_serr_enable", "off" }, 841 { "AC97", "use_broken_id", "1" }, 842 { "virtio-9p-pci", "vectors", "0" }, 843 { "VGA", "rombar", "0" }, 844 { "vmware-svga", "rombar", "0" }, 845 }; 846 847 pc_i440fx_0_14_machine_options(m); 848 m->hw_version = "0.13"; 849 compat_props_add(m->compat_props, compat, G_N_ELEMENTS(compat)); 850 pcmc->kvmclock_enabled = false; 851 } 852 853 DEFINE_I440FX_MACHINE(v0_13, "pc-0.13", pc_compat_0_13, 854 pc_i440fx_0_13_machine_options); 855 856 static void pc_i440fx_0_12_machine_options(MachineClass *m) 857 { 858 static GlobalProperty compat[] = { 859 PC_CPU_MODEL_IDS("0.12") 860 { "virtio-serial-pci", "max_ports", "1" }, 861 { "virtio-serial-pci", "vectors", "0" }, 862 { "usb-mouse", "serial", "1" }, 863 { "usb-tablet", "serial", "1" }, 864 { "usb-kbd", "serial", "1" }, 865 }; 866 867 pc_i440fx_0_13_machine_options(m); 868 m->hw_version = "0.12"; 869 compat_props_add(m->compat_props, compat, G_N_ELEMENTS(compat)); 870 } 871 872 DEFINE_I440FX_MACHINE(v0_12, "pc-0.12", pc_compat_0_13, 873 pc_i440fx_0_12_machine_options); 874 875 typedef struct { 876 uint16_t gpu_device_id; 877 uint16_t pch_device_id; 878 uint8_t pch_revision_id; 879 } IGDDeviceIDInfo; 880 881 /* In real world different GPU should have different PCH. But actually 882 * the different PCH DIDs likely map to different PCH SKUs. We do the 883 * same thing for the GPU. For PCH, the different SKUs are going to be 884 * all the same silicon design and implementation, just different 885 * features turn on and off with fuses. The SW interfaces should be 886 * consistent across all SKUs in a given family (eg LPT). But just same 887 * features may not be supported. 888 * 889 * Most of these different PCH features probably don't matter to the 890 * Gfx driver, but obviously any difference in display port connections 891 * will so it should be fine with any PCH in case of passthrough. 892 * 893 * So currently use one PCH version, 0x8c4e, to cover all HSW(Haswell) 894 * scenarios, 0x9cc3 for BDW(Broadwell). 895 */ 896 static const IGDDeviceIDInfo igd_combo_id_infos[] = { 897 /* HSW Classic */ 898 {0x0402, 0x8c4e, 0x04}, /* HSWGT1D, HSWD_w7 */ 899 {0x0406, 0x8c4e, 0x04}, /* HSWGT1M, HSWM_w7 */ 900 {0x0412, 0x8c4e, 0x04}, /* HSWGT2D, HSWD_w7 */ 901 {0x0416, 0x8c4e, 0x04}, /* HSWGT2M, HSWM_w7 */ 902 {0x041E, 0x8c4e, 0x04}, /* HSWGT15D, HSWD_w7 */ 903 /* HSW ULT */ 904 {0x0A06, 0x8c4e, 0x04}, /* HSWGT1UT, HSWM_w7 */ 905 {0x0A16, 0x8c4e, 0x04}, /* HSWGT2UT, HSWM_w7 */ 906 {0x0A26, 0x8c4e, 0x06}, /* HSWGT3UT, HSWM_w7 */ 907 {0x0A2E, 0x8c4e, 0x04}, /* HSWGT3UT28W, HSWM_w7 */ 908 {0x0A1E, 0x8c4e, 0x04}, /* HSWGT2UX, HSWM_w7 */ 909 {0x0A0E, 0x8c4e, 0x04}, /* HSWGT1ULX, HSWM_w7 */ 910 /* HSW CRW */ 911 {0x0D26, 0x8c4e, 0x04}, /* HSWGT3CW, HSWM_w7 */ 912 {0x0D22, 0x8c4e, 0x04}, /* HSWGT3CWDT, HSWD_w7 */ 913 /* HSW Server */ 914 {0x041A, 0x8c4e, 0x04}, /* HSWSVGT2, HSWD_w7 */ 915 /* HSW SRVR */ 916 {0x040A, 0x8c4e, 0x04}, /* HSWSVGT1, HSWD_w7 */ 917 /* BSW */ 918 {0x1606, 0x9cc3, 0x03}, /* BDWULTGT1, BDWM_w7 */ 919 {0x1616, 0x9cc3, 0x03}, /* BDWULTGT2, BDWM_w7 */ 920 {0x1626, 0x9cc3, 0x03}, /* BDWULTGT3, BDWM_w7 */ 921 {0x160E, 0x9cc3, 0x03}, /* BDWULXGT1, BDWM_w7 */ 922 {0x161E, 0x9cc3, 0x03}, /* BDWULXGT2, BDWM_w7 */ 923 {0x1602, 0x9cc3, 0x03}, /* BDWHALOGT1, BDWM_w7 */ 924 {0x1612, 0x9cc3, 0x03}, /* BDWHALOGT2, BDWM_w7 */ 925 {0x1622, 0x9cc3, 0x03}, /* BDWHALOGT3, BDWM_w7 */ 926 {0x162B, 0x9cc3, 0x03}, /* BDWHALO28W, BDWM_w7 */ 927 {0x162A, 0x9cc3, 0x03}, /* BDWGT3WRKS, BDWM_w7 */ 928 {0x162D, 0x9cc3, 0x03}, /* BDWGT3SRVR, BDWM_w7 */ 929 }; 930 931 static void isa_bridge_class_init(ObjectClass *klass, void *data) 932 { 933 DeviceClass *dc = DEVICE_CLASS(klass); 934 PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); 935 936 dc->desc = "ISA bridge faked to support IGD PT"; 937 set_bit(DEVICE_CATEGORY_BRIDGE, dc->categories); 938 k->vendor_id = PCI_VENDOR_ID_INTEL; 939 k->class_id = PCI_CLASS_BRIDGE_ISA; 940 }; 941 942 static TypeInfo isa_bridge_info = { 943 .name = "igd-passthrough-isa-bridge", 944 .parent = TYPE_PCI_DEVICE, 945 .instance_size = sizeof(PCIDevice), 946 .class_init = isa_bridge_class_init, 947 .interfaces = (InterfaceInfo[]) { 948 { INTERFACE_CONVENTIONAL_PCI_DEVICE }, 949 { }, 950 }, 951 }; 952 953 static void pt_graphics_register_types(void) 954 { 955 type_register_static(&isa_bridge_info); 956 } 957 type_init(pt_graphics_register_types) 958 959 void igd_passthrough_isa_bridge_create(PCIBus *bus, uint16_t gpu_dev_id) 960 { 961 struct PCIDevice *bridge_dev; 962 int i, num; 963 uint16_t pch_dev_id = 0xffff; 964 uint8_t pch_rev_id; 965 966 num = ARRAY_SIZE(igd_combo_id_infos); 967 for (i = 0; i < num; i++) { 968 if (gpu_dev_id == igd_combo_id_infos[i].gpu_device_id) { 969 pch_dev_id = igd_combo_id_infos[i].pch_device_id; 970 pch_rev_id = igd_combo_id_infos[i].pch_revision_id; 971 } 972 } 973 974 if (pch_dev_id == 0xffff) { 975 return; 976 } 977 978 /* Currently IGD drivers always need to access PCH by 1f.0. */ 979 bridge_dev = pci_create_simple(bus, PCI_DEVFN(0x1f, 0), 980 "igd-passthrough-isa-bridge"); 981 982 /* 983 * Note that vendor id is always PCI_VENDOR_ID_INTEL. 984 */ 985 if (!bridge_dev) { 986 fprintf(stderr, "set igd-passthrough-isa-bridge failed!\n"); 987 return; 988 } 989 pci_config_set_device_id(bridge_dev->config, pch_dev_id); 990 pci_config_set_revision(bridge_dev->config, pch_rev_id); 991 } 992 993 static void isapc_machine_options(MachineClass *m) 994 { 995 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 996 m->desc = "ISA-only PC"; 997 m->max_cpus = 1; 998 m->option_rom_has_mr = true; 999 m->rom_file_has_mr = false; 1000 pcmc->pci_enabled = false; 1001 pcmc->has_acpi_build = false; 1002 pcmc->smbios_defaults = false; 1003 pcmc->gigabyte_align = false; 1004 pcmc->smbios_legacy_mode = true; 1005 pcmc->has_reserved_memory = false; 1006 pcmc->default_nic_model = "ne2k_isa"; 1007 m->default_cpu_type = X86_CPU_TYPE_NAME("486"); 1008 } 1009 1010 DEFINE_PC_MACHINE(isapc, "isapc", pc_init_isa, 1011 isapc_machine_options); 1012 1013 1014 #ifdef CONFIG_XEN 1015 static void xenfv_machine_options(MachineClass *m) 1016 { 1017 m->desc = "Xen Fully-virtualized PC"; 1018 m->max_cpus = HVM_MAX_VCPUS; 1019 m->default_machine_opts = "accel=xen"; 1020 } 1021 1022 DEFINE_PC_MACHINE(xenfv, "xenfv", pc_xen_hvm_init, 1023 xenfv_machine_options); 1024 #endif 1025