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 27 #include "qemu/units.h" 28 #include "hw/hw.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 "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.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 static const int ide_iobase[MAX_IDE_BUS] = { 0x1f0, 0x170 }; 65 static const int ide_iobase2[MAX_IDE_BUS] = { 0x3f6, 0x376 }; 66 static const int ide_irq[MAX_IDE_BUS] = { 14, 15 }; 67 68 /* PC hardware initialisation */ 69 static void pc_init1(MachineState *machine, 70 const char *host_type, const char *pci_type) 71 { 72 PCMachineState *pcms = PC_MACHINE(machine); 73 PCMachineClass *pcmc = PC_MACHINE_GET_CLASS(pcms); 74 MemoryRegion *system_memory = get_system_memory(); 75 MemoryRegion *system_io = get_system_io(); 76 int i; 77 PCIBus *pci_bus; 78 ISABus *isa_bus; 79 PCII440FXState *i440fx_state; 80 int piix3_devfn = -1; 81 qemu_irq *i8259; 82 qemu_irq smi_irq; 83 GSIState *gsi_state; 84 DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS]; 85 BusState *idebus[MAX_IDE_BUS]; 86 ISADevice *rtc_state; 87 MemoryRegion *ram_memory; 88 MemoryRegion *pci_memory; 89 MemoryRegion *rom_memory; 90 ram_addr_t lowmem; 91 92 /* 93 * Calculate ram split, for memory below and above 4G. It's a bit 94 * complicated for backward compatibility reasons ... 95 * 96 * - Traditional split is 3.5G (lowmem = 0xe0000000). This is the 97 * default value for max_ram_below_4g now. 98 * 99 * - Then, to gigabyte align the memory, we move the split to 3G 100 * (lowmem = 0xc0000000). But only in case we have to split in 101 * the first place, i.e. ram_size is larger than (traditional) 102 * lowmem. And for new machine types (gigabyte_align = true) 103 * only, for live migration compatibility reasons. 104 * 105 * - Next the max-ram-below-4g option was added, which allowed to 106 * reduce lowmem to a smaller value, to allow a larger PCI I/O 107 * window below 4G. qemu doesn't enforce gigabyte alignment here, 108 * but prints a warning. 109 * 110 * - Finally max-ram-below-4g got updated to also allow raising lowmem, 111 * so legacy non-PAE guests can get as much memory as possible in 112 * the 32bit address space below 4G. 113 * 114 * - Note that Xen has its own ram setp code in xen_ram_init(), 115 * called via xen_hvm_init(). 116 * 117 * Examples: 118 * qemu -M pc-1.7 -m 4G (old default) -> 3584M low, 512M high 119 * qemu -M pc -m 4G (new default) -> 3072M low, 1024M high 120 * qemu -M pc,max-ram-below-4g=2G -m 4G -> 2048M low, 2048M high 121 * qemu -M pc,max-ram-below-4g=4G -m 3968M -> 3968M low (=4G-128M) 122 */ 123 if (xen_enabled()) { 124 xen_hvm_init(pcms, &ram_memory); 125 } else { 126 if (!pcms->max_ram_below_4g) { 127 pcms->max_ram_below_4g = 0xe0000000; /* default: 3.5G */ 128 } 129 lowmem = pcms->max_ram_below_4g; 130 if (machine->ram_size >= pcms->max_ram_below_4g) { 131 if (pcmc->gigabyte_align) { 132 if (lowmem > 0xc0000000) { 133 lowmem = 0xc0000000; 134 } 135 if (lowmem & (1 * GiB - 1)) { 136 warn_report("Large machine and max_ram_below_4g " 137 "(%" PRIu64 ") not a multiple of 1G; " 138 "possible bad performance.", 139 pcms->max_ram_below_4g); 140 } 141 } 142 } 143 144 if (machine->ram_size >= lowmem) { 145 pcms->above_4g_mem_size = machine->ram_size - lowmem; 146 pcms->below_4g_mem_size = lowmem; 147 } else { 148 pcms->above_4g_mem_size = 0; 149 pcms->below_4g_mem_size = machine->ram_size; 150 } 151 } 152 153 pc_cpus_init(pcms); 154 155 if (kvm_enabled() && pcmc->kvmclock_enabled) { 156 kvmclock_create(); 157 } 158 159 if (pcmc->pci_enabled) { 160 pci_memory = g_new(MemoryRegion, 1); 161 memory_region_init(pci_memory, NULL, "pci", UINT64_MAX); 162 rom_memory = pci_memory; 163 } else { 164 pci_memory = NULL; 165 rom_memory = system_memory; 166 } 167 168 pc_guest_info_init(pcms); 169 170 if (pcmc->smbios_defaults) { 171 MachineClass *mc = MACHINE_GET_CLASS(machine); 172 /* These values are guest ABI, do not change */ 173 smbios_set_defaults("QEMU", "Standard PC (i440FX + PIIX, 1996)", 174 mc->name, pcmc->smbios_legacy_mode, 175 pcmc->smbios_uuid_encoded, 176 SMBIOS_ENTRY_POINT_21); 177 } 178 179 /* allocate ram and load rom/bios */ 180 if (!xen_enabled()) { 181 pc_memory_init(pcms, system_memory, 182 rom_memory, &ram_memory); 183 } else if (machine->kernel_filename != NULL) { 184 /* For xen HVM direct kernel boot, load linux here */ 185 xen_load_linux(pcms); 186 } 187 188 gsi_state = g_malloc0(sizeof(*gsi_state)); 189 if (kvm_ioapic_in_kernel()) { 190 kvm_pc_setup_irq_routing(pcmc->pci_enabled); 191 pcms->gsi = qemu_allocate_irqs(kvm_pc_gsi_handler, gsi_state, 192 GSI_NUM_PINS); 193 } else { 194 pcms->gsi = qemu_allocate_irqs(gsi_handler, gsi_state, GSI_NUM_PINS); 195 } 196 197 if (pcmc->pci_enabled) { 198 pci_bus = i440fx_init(host_type, 199 pci_type, 200 &i440fx_state, &piix3_devfn, &isa_bus, pcms->gsi, 201 system_memory, system_io, machine->ram_size, 202 pcms->below_4g_mem_size, 203 pcms->above_4g_mem_size, 204 pci_memory, ram_memory); 205 pcms->bus = pci_bus; 206 } else { 207 pci_bus = NULL; 208 i440fx_state = NULL; 209 isa_bus = isa_bus_new(NULL, get_system_memory(), system_io, 210 &error_abort); 211 no_hpet = 1; 212 } 213 isa_bus_irqs(isa_bus, pcms->gsi); 214 215 if (kvm_pic_in_kernel()) { 216 i8259 = kvm_i8259_init(isa_bus); 217 } else if (xen_enabled()) { 218 i8259 = xen_interrupt_controller_init(); 219 } else { 220 i8259 = i8259_init(isa_bus, pc_allocate_cpu_irq()); 221 } 222 223 for (i = 0; i < ISA_NUM_IRQS; i++) { 224 gsi_state->i8259_irq[i] = i8259[i]; 225 } 226 g_free(i8259); 227 if (pcmc->pci_enabled) { 228 ioapic_init_gsi(gsi_state, "i440fx"); 229 } 230 231 pc_register_ferr_irq(pcms->gsi[13]); 232 233 pc_vga_init(isa_bus, pcmc->pci_enabled ? pci_bus : NULL); 234 235 assert(pcms->vmport != ON_OFF_AUTO__MAX); 236 if (pcms->vmport == ON_OFF_AUTO_AUTO) { 237 pcms->vmport = xen_enabled() ? ON_OFF_AUTO_OFF : ON_OFF_AUTO_ON; 238 } 239 240 /* init basic PC hardware */ 241 pc_basic_device_init(isa_bus, pcms->gsi, &rtc_state, true, 242 (pcms->vmport != ON_OFF_AUTO_ON), pcms->pit_enabled, 243 0x4); 244 245 pc_nic_init(pcmc, isa_bus, pci_bus); 246 247 ide_drive_get(hd, ARRAY_SIZE(hd)); 248 if (pcmc->pci_enabled) { 249 PCIDevice *dev; 250 if (xen_enabled()) { 251 dev = pci_piix3_xen_ide_init(pci_bus, hd, piix3_devfn + 1); 252 } else { 253 dev = pci_piix3_ide_init(pci_bus, hd, piix3_devfn + 1); 254 } 255 idebus[0] = qdev_get_child_bus(&dev->qdev, "ide.0"); 256 idebus[1] = qdev_get_child_bus(&dev->qdev, "ide.1"); 257 } else { 258 for(i = 0; i < MAX_IDE_BUS; i++) { 259 ISADevice *dev; 260 char busname[] = "ide.0"; 261 dev = isa_ide_init(isa_bus, ide_iobase[i], ide_iobase2[i], 262 ide_irq[i], 263 hd[MAX_IDE_DEVS * i], hd[MAX_IDE_DEVS * i + 1]); 264 /* 265 * The ide bus name is ide.0 for the first bus and ide.1 for the 266 * second one. 267 */ 268 busname[4] = '0' + i; 269 idebus[i] = qdev_get_child_bus(DEVICE(dev), busname); 270 } 271 } 272 273 pc_cmos_init(pcms, idebus[0], idebus[1], rtc_state); 274 275 if (pcmc->pci_enabled && machine_usb(machine)) { 276 pci_create_simple(pci_bus, piix3_devfn + 2, "piix3-usb-uhci"); 277 } 278 279 if (pcmc->pci_enabled && acpi_enabled) { 280 DeviceState *piix4_pm; 281 I2CBus *smbus; 282 283 smi_irq = qemu_allocate_irq(pc_acpi_smi_interrupt, first_cpu, 0); 284 /* TODO: Populate SPD eeprom data. */ 285 smbus = piix4_pm_init(pci_bus, piix3_devfn + 3, 0xb100, 286 pcms->gsi[9], smi_irq, 287 pc_machine_is_smm_enabled(pcms), 288 &piix4_pm); 289 smbus_eeprom_init(smbus, 8, NULL, 0); 290 291 object_property_add_link(OBJECT(machine), PC_MACHINE_ACPI_DEVICE_PROP, 292 TYPE_HOTPLUG_HANDLER, 293 (Object **)&pcms->acpi_dev, 294 object_property_allow_set_link, 295 OBJ_PROP_LINK_STRONG, &error_abort); 296 object_property_set_link(OBJECT(machine), OBJECT(piix4_pm), 297 PC_MACHINE_ACPI_DEVICE_PROP, &error_abort); 298 } 299 300 if (pcms->acpi_nvdimm_state.is_enabled) { 301 nvdimm_init_acpi_state(&pcms->acpi_nvdimm_state, system_io, 302 pcms->fw_cfg, OBJECT(pcms)); 303 } 304 } 305 306 /* Looking for a pc_compat_2_4() function? It doesn't exist. 307 * pc_compat_*() functions that run on machine-init time and 308 * change global QEMU state are deprecated. Please don't create 309 * one, and implement any pc-*-2.4 (and newer) compat code in 310 * HW_COMPAT_*, PC_COMPAT_*, or * pc_*_machine_options(). 311 */ 312 313 static void pc_compat_2_3_fn(MachineState *machine) 314 { 315 PCMachineState *pcms = PC_MACHINE(machine); 316 if (kvm_enabled()) { 317 pcms->smm = ON_OFF_AUTO_OFF; 318 } 319 } 320 321 static void pc_compat_2_2_fn(MachineState *machine) 322 { 323 pc_compat_2_3_fn(machine); 324 } 325 326 static void pc_compat_2_1_fn(MachineState *machine) 327 { 328 pc_compat_2_2_fn(machine); 329 x86_cpu_change_kvm_default("svm", NULL); 330 } 331 332 static void pc_compat_2_0_fn(MachineState *machine) 333 { 334 pc_compat_2_1_fn(machine); 335 } 336 337 static void pc_compat_1_7_fn(MachineState *machine) 338 { 339 pc_compat_2_0_fn(machine); 340 x86_cpu_change_kvm_default("x2apic", NULL); 341 } 342 343 static void pc_compat_1_6_fn(MachineState *machine) 344 { 345 pc_compat_1_7_fn(machine); 346 } 347 348 static void pc_compat_1_5_fn(MachineState *machine) 349 { 350 pc_compat_1_6_fn(machine); 351 } 352 353 static void pc_compat_1_4_fn(MachineState *machine) 354 { 355 pc_compat_1_5_fn(machine); 356 } 357 358 static void pc_compat_1_3(MachineState *machine) 359 { 360 pc_compat_1_4_fn(machine); 361 enable_compat_apic_id_mode(); 362 } 363 364 /* PC compat function for pc-0.14 to pc-1.2 */ 365 static void pc_compat_1_2(MachineState *machine) 366 { 367 pc_compat_1_3(machine); 368 x86_cpu_change_kvm_default("kvm-pv-eoi", NULL); 369 } 370 371 /* PC compat function for pc-0.12 and pc-0.13 */ 372 static void pc_compat_0_13(MachineState *machine) 373 { 374 pc_compat_1_2(machine); 375 } 376 377 static void pc_init_isa(MachineState *machine) 378 { 379 pc_init1(machine, TYPE_I440FX_PCI_HOST_BRIDGE, TYPE_I440FX_PCI_DEVICE); 380 } 381 382 #ifdef CONFIG_XEN 383 static void pc_xen_hvm_init_pci(MachineState *machine) 384 { 385 const char *pci_type = has_igd_gfx_passthru ? 386 TYPE_IGD_PASSTHROUGH_I440FX_PCI_DEVICE : TYPE_I440FX_PCI_DEVICE; 387 388 pc_init1(machine, 389 TYPE_I440FX_PCI_HOST_BRIDGE, 390 pci_type); 391 } 392 393 static void pc_xen_hvm_init(MachineState *machine) 394 { 395 PCMachineState *pcms = PC_MACHINE(machine); 396 397 if (!xen_enabled()) { 398 error_report("xenfv machine requires the xen accelerator"); 399 exit(1); 400 } 401 402 pc_xen_hvm_init_pci(machine); 403 pci_create_simple(pcms->bus, -1, "xen-platform"); 404 } 405 #endif 406 407 #define DEFINE_I440FX_MACHINE(suffix, name, compatfn, optionfn) \ 408 static void pc_init_##suffix(MachineState *machine) \ 409 { \ 410 void (*compat)(MachineState *m) = (compatfn); \ 411 if (compat) { \ 412 compat(machine); \ 413 } \ 414 pc_init1(machine, TYPE_I440FX_PCI_HOST_BRIDGE, \ 415 TYPE_I440FX_PCI_DEVICE); \ 416 } \ 417 DEFINE_PC_MACHINE(suffix, name, pc_init_##suffix, optionfn) 418 419 static void pc_i440fx_machine_options(MachineClass *m) 420 { 421 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 422 pcmc->default_nic_model = "e1000"; 423 424 m->family = "pc_piix"; 425 m->desc = "Standard PC (i440FX + PIIX, 1996)"; 426 m->default_machine_opts = "firmware=bios-256k.bin"; 427 m->default_display = "std"; 428 machine_class_allow_dynamic_sysbus_dev(m, TYPE_RAMFB_DEVICE); 429 } 430 431 static void pc_i440fx_4_0_machine_options(MachineClass *m) 432 { 433 pc_i440fx_machine_options(m); 434 m->alias = "pc"; 435 m->is_default = 1; 436 } 437 438 DEFINE_I440FX_MACHINE(v4_0, "pc-i440fx-4.0", NULL, 439 pc_i440fx_4_0_machine_options); 440 441 static void pc_i440fx_3_1_machine_options(MachineClass *m) 442 { 443 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 444 445 pc_i440fx_4_0_machine_options(m); 446 m->is_default = 0; 447 m->alias = NULL; 448 pcmc->pvh_enabled = false; 449 compat_props_add(m->compat_props, hw_compat_3_1, hw_compat_3_1_len); 450 compat_props_add(m->compat_props, pc_compat_3_1, pc_compat_3_1_len); 451 } 452 453 DEFINE_I440FX_MACHINE(v3_1, "pc-i440fx-3.1", NULL, 454 pc_i440fx_3_1_machine_options); 455 456 static void pc_i440fx_3_0_machine_options(MachineClass *m) 457 { 458 pc_i440fx_3_1_machine_options(m); 459 compat_props_add(m->compat_props, hw_compat_3_0, hw_compat_3_0_len); 460 compat_props_add(m->compat_props, pc_compat_3_0, pc_compat_3_0_len); 461 } 462 463 DEFINE_I440FX_MACHINE(v3_0, "pc-i440fx-3.0", NULL, 464 pc_i440fx_3_0_machine_options); 465 466 static void pc_i440fx_2_12_machine_options(MachineClass *m) 467 { 468 pc_i440fx_3_0_machine_options(m); 469 compat_props_add(m->compat_props, hw_compat_2_12, hw_compat_2_12_len); 470 compat_props_add(m->compat_props, pc_compat_2_12, pc_compat_2_12_len); 471 } 472 473 DEFINE_I440FX_MACHINE(v2_12, "pc-i440fx-2.12", NULL, 474 pc_i440fx_2_12_machine_options); 475 476 static void pc_i440fx_2_11_machine_options(MachineClass *m) 477 { 478 pc_i440fx_2_12_machine_options(m); 479 compat_props_add(m->compat_props, hw_compat_2_11, hw_compat_2_11_len); 480 compat_props_add(m->compat_props, pc_compat_2_11, pc_compat_2_11_len); 481 } 482 483 DEFINE_I440FX_MACHINE(v2_11, "pc-i440fx-2.11", NULL, 484 pc_i440fx_2_11_machine_options); 485 486 static void pc_i440fx_2_10_machine_options(MachineClass *m) 487 { 488 pc_i440fx_2_11_machine_options(m); 489 compat_props_add(m->compat_props, hw_compat_2_10, hw_compat_2_10_len); 490 compat_props_add(m->compat_props, pc_compat_2_10, pc_compat_2_10_len); 491 m->auto_enable_numa_with_memhp = false; 492 } 493 494 DEFINE_I440FX_MACHINE(v2_10, "pc-i440fx-2.10", NULL, 495 pc_i440fx_2_10_machine_options); 496 497 static void pc_i440fx_2_9_machine_options(MachineClass *m) 498 { 499 pc_i440fx_2_10_machine_options(m); 500 compat_props_add(m->compat_props, hw_compat_2_9, hw_compat_2_9_len); 501 compat_props_add(m->compat_props, pc_compat_2_9, pc_compat_2_9_len); 502 m->numa_auto_assign_ram = numa_legacy_auto_assign_ram; 503 } 504 505 DEFINE_I440FX_MACHINE(v2_9, "pc-i440fx-2.9", NULL, 506 pc_i440fx_2_9_machine_options); 507 508 static void pc_i440fx_2_8_machine_options(MachineClass *m) 509 { 510 pc_i440fx_2_9_machine_options(m); 511 compat_props_add(m->compat_props, hw_compat_2_8, hw_compat_2_8_len); 512 compat_props_add(m->compat_props, pc_compat_2_8, pc_compat_2_8_len); 513 } 514 515 DEFINE_I440FX_MACHINE(v2_8, "pc-i440fx-2.8", NULL, 516 pc_i440fx_2_8_machine_options); 517 518 static void pc_i440fx_2_7_machine_options(MachineClass *m) 519 { 520 pc_i440fx_2_8_machine_options(m); 521 compat_props_add(m->compat_props, hw_compat_2_7, hw_compat_2_7_len); 522 compat_props_add(m->compat_props, pc_compat_2_7, pc_compat_2_7_len); 523 } 524 525 DEFINE_I440FX_MACHINE(v2_7, "pc-i440fx-2.7", NULL, 526 pc_i440fx_2_7_machine_options); 527 528 static void pc_i440fx_2_6_machine_options(MachineClass *m) 529 { 530 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 531 532 pc_i440fx_2_7_machine_options(m); 533 pcmc->legacy_cpu_hotplug = true; 534 pcmc->linuxboot_dma_enabled = false; 535 compat_props_add(m->compat_props, hw_compat_2_6, hw_compat_2_6_len); 536 compat_props_add(m->compat_props, pc_compat_2_6, pc_compat_2_6_len); 537 } 538 539 DEFINE_I440FX_MACHINE(v2_6, "pc-i440fx-2.6", NULL, 540 pc_i440fx_2_6_machine_options); 541 542 static void pc_i440fx_2_5_machine_options(MachineClass *m) 543 { 544 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 545 546 pc_i440fx_2_6_machine_options(m); 547 pcmc->save_tsc_khz = false; 548 m->legacy_fw_cfg_order = 1; 549 compat_props_add(m->compat_props, hw_compat_2_5, hw_compat_2_5_len); 550 compat_props_add(m->compat_props, pc_compat_2_5, pc_compat_2_5_len); 551 } 552 553 DEFINE_I440FX_MACHINE(v2_5, "pc-i440fx-2.5", NULL, 554 pc_i440fx_2_5_machine_options); 555 556 static void pc_i440fx_2_4_machine_options(MachineClass *m) 557 { 558 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 559 560 pc_i440fx_2_5_machine_options(m); 561 m->hw_version = "2.4.0"; 562 pcmc->broken_reserved_end = true; 563 compat_props_add(m->compat_props, hw_compat_2_4, hw_compat_2_4_len); 564 compat_props_add(m->compat_props, pc_compat_2_4, pc_compat_2_4_len); 565 } 566 567 DEFINE_I440FX_MACHINE(v2_4, "pc-i440fx-2.4", NULL, 568 pc_i440fx_2_4_machine_options) 569 570 static void pc_i440fx_2_3_machine_options(MachineClass *m) 571 { 572 pc_i440fx_2_4_machine_options(m); 573 m->hw_version = "2.3.0"; 574 compat_props_add(m->compat_props, hw_compat_2_3, hw_compat_2_3_len); 575 compat_props_add(m->compat_props, pc_compat_2_3, pc_compat_2_3_len); 576 } 577 578 DEFINE_I440FX_MACHINE(v2_3, "pc-i440fx-2.3", pc_compat_2_3_fn, 579 pc_i440fx_2_3_machine_options); 580 581 static void pc_i440fx_2_2_machine_options(MachineClass *m) 582 { 583 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 584 585 pc_i440fx_2_3_machine_options(m); 586 m->hw_version = "2.2.0"; 587 m->default_machine_opts = "firmware=bios-256k.bin,suppress-vmdesc=on"; 588 compat_props_add(m->compat_props, hw_compat_2_2, hw_compat_2_2_len); 589 compat_props_add(m->compat_props, pc_compat_2_2, pc_compat_2_2_len); 590 pcmc->rsdp_in_ram = false; 591 } 592 593 DEFINE_I440FX_MACHINE(v2_2, "pc-i440fx-2.2", pc_compat_2_2_fn, 594 pc_i440fx_2_2_machine_options); 595 596 static void pc_i440fx_2_1_machine_options(MachineClass *m) 597 { 598 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 599 600 pc_i440fx_2_2_machine_options(m); 601 m->hw_version = "2.1.0"; 602 m->default_display = NULL; 603 compat_props_add(m->compat_props, hw_compat_2_1, hw_compat_2_1_len); 604 compat_props_add(m->compat_props, pc_compat_2_1, pc_compat_2_1_len); 605 pcmc->smbios_uuid_encoded = false; 606 pcmc->enforce_aligned_dimm = false; 607 } 608 609 DEFINE_I440FX_MACHINE(v2_1, "pc-i440fx-2.1", pc_compat_2_1_fn, 610 pc_i440fx_2_1_machine_options); 611 612 static void pc_i440fx_2_0_machine_options(MachineClass *m) 613 { 614 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 615 616 pc_i440fx_2_1_machine_options(m); 617 m->hw_version = "2.0.0"; 618 compat_props_add(m->compat_props, pc_compat_2_0, pc_compat_2_0_len); 619 pcmc->smbios_legacy_mode = true; 620 pcmc->has_reserved_memory = false; 621 /* This value depends on the actual DSDT and SSDT compiled into 622 * the source QEMU; unfortunately it depends on the binary and 623 * not on the machine type, so we cannot make pc-i440fx-1.7 work on 624 * both QEMU 1.7 and QEMU 2.0. 625 * 626 * Large variations cause migration to fail for more than one 627 * consecutive value of the "-smp" maxcpus option. 628 * 629 * For small variations of the kind caused by different iasl versions, 630 * the 4k rounding usually leaves slack. However, there could be still 631 * one or two values that break. For QEMU 1.7 and QEMU 2.0 the 632 * slack is only ~10 bytes before one "-smp maxcpus" value breaks! 633 * 634 * 6652 is valid for QEMU 2.0, the right value for pc-i440fx-1.7 on 635 * QEMU 1.7 it is 6414. For RHEL/CentOS 7.0 it is 6418. 636 */ 637 pcmc->legacy_acpi_table_size = 6652; 638 pcmc->acpi_data_size = 0x10000; 639 } 640 641 DEFINE_I440FX_MACHINE(v2_0, "pc-i440fx-2.0", pc_compat_2_0_fn, 642 pc_i440fx_2_0_machine_options); 643 644 static void pc_i440fx_1_7_machine_options(MachineClass *m) 645 { 646 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 647 648 pc_i440fx_2_0_machine_options(m); 649 m->hw_version = "1.7.0"; 650 m->default_machine_opts = NULL; 651 m->option_rom_has_mr = true; 652 compat_props_add(m->compat_props, pc_compat_1_7, pc_compat_1_7_len); 653 pcmc->smbios_defaults = false; 654 pcmc->gigabyte_align = false; 655 pcmc->legacy_acpi_table_size = 6414; 656 } 657 658 DEFINE_I440FX_MACHINE(v1_7, "pc-i440fx-1.7", pc_compat_1_7_fn, 659 pc_i440fx_1_7_machine_options); 660 661 static void pc_i440fx_1_6_machine_options(MachineClass *m) 662 { 663 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 664 665 pc_i440fx_1_7_machine_options(m); 666 m->hw_version = "1.6.0"; 667 m->rom_file_has_mr = false; 668 compat_props_add(m->compat_props, pc_compat_1_6, pc_compat_1_6_len); 669 pcmc->has_acpi_build = false; 670 } 671 672 DEFINE_I440FX_MACHINE(v1_6, "pc-i440fx-1.6", pc_compat_1_6_fn, 673 pc_i440fx_1_6_machine_options); 674 675 static void pc_i440fx_1_5_machine_options(MachineClass *m) 676 { 677 pc_i440fx_1_6_machine_options(m); 678 m->hw_version = "1.5.0"; 679 compat_props_add(m->compat_props, pc_compat_1_5, pc_compat_1_5_len); 680 } 681 682 DEFINE_I440FX_MACHINE(v1_5, "pc-i440fx-1.5", pc_compat_1_5_fn, 683 pc_i440fx_1_5_machine_options); 684 685 static void pc_i440fx_1_4_machine_options(MachineClass *m) 686 { 687 pc_i440fx_1_5_machine_options(m); 688 m->hw_version = "1.4.0"; 689 m->hot_add_cpu = NULL; 690 compat_props_add(m->compat_props, pc_compat_1_4, pc_compat_1_4_len); 691 } 692 693 DEFINE_I440FX_MACHINE(v1_4, "pc-i440fx-1.4", pc_compat_1_4_fn, 694 pc_i440fx_1_4_machine_options); 695 696 static void pc_i440fx_1_3_machine_options(MachineClass *m) 697 { 698 static GlobalProperty compat[] = { 699 PC_CPU_MODEL_IDS("1.3.0") 700 { "usb-tablet", "usb_version", "1" }, 701 { "virtio-net-pci", "ctrl_mac_addr", "off" }, 702 { "virtio-net-pci", "mq", "off" }, 703 { "e1000", "autonegotiation", "off" }, 704 }; 705 706 pc_i440fx_1_4_machine_options(m); 707 m->hw_version = "1.3.0"; 708 compat_props_add(m->compat_props, compat, G_N_ELEMENTS(compat)); 709 } 710 711 DEFINE_I440FX_MACHINE(v1_3, "pc-1.3", pc_compat_1_3, 712 pc_i440fx_1_3_machine_options); 713 714 715 static void pc_i440fx_1_2_machine_options(MachineClass *m) 716 { 717 static GlobalProperty compat[] = { 718 PC_CPU_MODEL_IDS("1.2.0") 719 { "nec-usb-xhci", "msi", "off" }, 720 { "nec-usb-xhci", "msix", "off" }, 721 { "qxl", "revision", "3" }, 722 { "qxl-vga", "revision", "3" }, 723 { "VGA", "mmio", "off" }, 724 }; 725 726 pc_i440fx_1_3_machine_options(m); 727 m->hw_version = "1.2.0"; 728 compat_props_add(m->compat_props, compat, G_N_ELEMENTS(compat)); 729 } 730 731 DEFINE_I440FX_MACHINE(v1_2, "pc-1.2", pc_compat_1_2, 732 pc_i440fx_1_2_machine_options); 733 734 735 static void pc_i440fx_1_1_machine_options(MachineClass *m) 736 { 737 static GlobalProperty compat[] = { 738 PC_CPU_MODEL_IDS("1.1.0") 739 { "virtio-scsi-pci", "hotplug", "off" }, 740 { "virtio-scsi-pci", "param_change", "off" }, 741 { "VGA", "vgamem_mb", "8" }, 742 { "vmware-svga", "vgamem_mb", "8" }, 743 { "qxl-vga", "vgamem_mb", "8" }, 744 { "qxl", "vgamem_mb", "8" }, 745 { "virtio-blk-pci", "config-wce", "off" }, 746 }; 747 748 pc_i440fx_1_2_machine_options(m); 749 m->hw_version = "1.1.0"; 750 compat_props_add(m->compat_props, compat, G_N_ELEMENTS(compat)); 751 } 752 753 DEFINE_I440FX_MACHINE(v1_1, "pc-1.1", pc_compat_1_2, 754 pc_i440fx_1_1_machine_options); 755 756 static void pc_i440fx_1_0_machine_options(MachineClass *m) 757 { 758 static GlobalProperty compat[] = { 759 PC_CPU_MODEL_IDS("1.0") 760 { TYPE_ISA_FDC, "check_media_rate", "off" }, 761 { "virtio-balloon-pci", "class", stringify(PCI_CLASS_MEMORY_RAM) }, 762 { "apic-common", "vapic", "off" }, 763 { TYPE_USB_DEVICE, "full-path", "no" }, 764 }; 765 766 pc_i440fx_1_1_machine_options(m); 767 m->hw_version = "1.0"; 768 compat_props_add(m->compat_props, compat, G_N_ELEMENTS(compat)); 769 } 770 771 DEFINE_I440FX_MACHINE(v1_0, "pc-1.0", pc_compat_1_2, 772 pc_i440fx_1_0_machine_options); 773 774 775 static void pc_i440fx_0_15_machine_options(MachineClass *m) 776 { 777 static GlobalProperty compat[] = { 778 PC_CPU_MODEL_IDS("0.15") 779 }; 780 781 pc_i440fx_1_0_machine_options(m); 782 m->hw_version = "0.15"; 783 m->deprecation_reason = "use a newer machine type instead"; 784 compat_props_add(m->compat_props, compat, G_N_ELEMENTS(compat)); 785 } 786 787 DEFINE_I440FX_MACHINE(v0_15, "pc-0.15", pc_compat_1_2, 788 pc_i440fx_0_15_machine_options); 789 790 791 static void pc_i440fx_0_14_machine_options(MachineClass *m) 792 { 793 static GlobalProperty compat[] = { 794 PC_CPU_MODEL_IDS("0.14") 795 { "virtio-blk-pci", "event_idx", "off" }, 796 { "virtio-serial-pci", "event_idx", "off" }, 797 { "virtio-net-pci", "event_idx", "off" }, 798 { "virtio-balloon-pci", "event_idx", "off" }, 799 { "qxl", "revision", "2" }, 800 { "qxl-vga", "revision", "2" }, 801 }; 802 803 pc_i440fx_0_15_machine_options(m); 804 m->hw_version = "0.14"; 805 compat_props_add(m->compat_props, compat, G_N_ELEMENTS(compat)); 806 } 807 808 DEFINE_I440FX_MACHINE(v0_14, "pc-0.14", pc_compat_1_2, 809 pc_i440fx_0_14_machine_options); 810 811 static void pc_i440fx_0_13_machine_options(MachineClass *m) 812 { 813 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 814 static GlobalProperty compat[] = { 815 PC_CPU_MODEL_IDS("0.13") 816 { TYPE_PCI_DEVICE, "command_serr_enable", "off" }, 817 { "AC97", "use_broken_id", "1" }, 818 { "virtio-9p-pci", "vectors", "0" }, 819 { "VGA", "rombar", "0" }, 820 { "vmware-svga", "rombar", "0" }, 821 }; 822 823 pc_i440fx_0_14_machine_options(m); 824 m->hw_version = "0.13"; 825 compat_props_add(m->compat_props, compat, G_N_ELEMENTS(compat)); 826 pcmc->kvmclock_enabled = false; 827 } 828 829 DEFINE_I440FX_MACHINE(v0_13, "pc-0.13", pc_compat_0_13, 830 pc_i440fx_0_13_machine_options); 831 832 static void pc_i440fx_0_12_machine_options(MachineClass *m) 833 { 834 static GlobalProperty compat[] = { 835 PC_CPU_MODEL_IDS("0.12") 836 { "virtio-serial-pci", "max_ports", "1" }, 837 { "virtio-serial-pci", "vectors", "0" }, 838 { "usb-mouse", "serial", "1" }, 839 { "usb-tablet", "serial", "1" }, 840 { "usb-kbd", "serial", "1" }, 841 }; 842 843 pc_i440fx_0_13_machine_options(m); 844 m->hw_version = "0.12"; 845 compat_props_add(m->compat_props, compat, G_N_ELEMENTS(compat)); 846 } 847 848 DEFINE_I440FX_MACHINE(v0_12, "pc-0.12", pc_compat_0_13, 849 pc_i440fx_0_12_machine_options); 850 851 typedef struct { 852 uint16_t gpu_device_id; 853 uint16_t pch_device_id; 854 uint8_t pch_revision_id; 855 } IGDDeviceIDInfo; 856 857 /* In real world different GPU should have different PCH. But actually 858 * the different PCH DIDs likely map to different PCH SKUs. We do the 859 * same thing for the GPU. For PCH, the different SKUs are going to be 860 * all the same silicon design and implementation, just different 861 * features turn on and off with fuses. The SW interfaces should be 862 * consistent across all SKUs in a given family (eg LPT). But just same 863 * features may not be supported. 864 * 865 * Most of these different PCH features probably don't matter to the 866 * Gfx driver, but obviously any difference in display port connections 867 * will so it should be fine with any PCH in case of passthrough. 868 * 869 * So currently use one PCH version, 0x8c4e, to cover all HSW(Haswell) 870 * scenarios, 0x9cc3 for BDW(Broadwell). 871 */ 872 static const IGDDeviceIDInfo igd_combo_id_infos[] = { 873 /* HSW Classic */ 874 {0x0402, 0x8c4e, 0x04}, /* HSWGT1D, HSWD_w7 */ 875 {0x0406, 0x8c4e, 0x04}, /* HSWGT1M, HSWM_w7 */ 876 {0x0412, 0x8c4e, 0x04}, /* HSWGT2D, HSWD_w7 */ 877 {0x0416, 0x8c4e, 0x04}, /* HSWGT2M, HSWM_w7 */ 878 {0x041E, 0x8c4e, 0x04}, /* HSWGT15D, HSWD_w7 */ 879 /* HSW ULT */ 880 {0x0A06, 0x8c4e, 0x04}, /* HSWGT1UT, HSWM_w7 */ 881 {0x0A16, 0x8c4e, 0x04}, /* HSWGT2UT, HSWM_w7 */ 882 {0x0A26, 0x8c4e, 0x06}, /* HSWGT3UT, HSWM_w7 */ 883 {0x0A2E, 0x8c4e, 0x04}, /* HSWGT3UT28W, HSWM_w7 */ 884 {0x0A1E, 0x8c4e, 0x04}, /* HSWGT2UX, HSWM_w7 */ 885 {0x0A0E, 0x8c4e, 0x04}, /* HSWGT1ULX, HSWM_w7 */ 886 /* HSW CRW */ 887 {0x0D26, 0x8c4e, 0x04}, /* HSWGT3CW, HSWM_w7 */ 888 {0x0D22, 0x8c4e, 0x04}, /* HSWGT3CWDT, HSWD_w7 */ 889 /* HSW Server */ 890 {0x041A, 0x8c4e, 0x04}, /* HSWSVGT2, HSWD_w7 */ 891 /* HSW SRVR */ 892 {0x040A, 0x8c4e, 0x04}, /* HSWSVGT1, HSWD_w7 */ 893 /* BSW */ 894 {0x1606, 0x9cc3, 0x03}, /* BDWULTGT1, BDWM_w7 */ 895 {0x1616, 0x9cc3, 0x03}, /* BDWULTGT2, BDWM_w7 */ 896 {0x1626, 0x9cc3, 0x03}, /* BDWULTGT3, BDWM_w7 */ 897 {0x160E, 0x9cc3, 0x03}, /* BDWULXGT1, BDWM_w7 */ 898 {0x161E, 0x9cc3, 0x03}, /* BDWULXGT2, BDWM_w7 */ 899 {0x1602, 0x9cc3, 0x03}, /* BDWHALOGT1, BDWM_w7 */ 900 {0x1612, 0x9cc3, 0x03}, /* BDWHALOGT2, BDWM_w7 */ 901 {0x1622, 0x9cc3, 0x03}, /* BDWHALOGT3, BDWM_w7 */ 902 {0x162B, 0x9cc3, 0x03}, /* BDWHALO28W, BDWM_w7 */ 903 {0x162A, 0x9cc3, 0x03}, /* BDWGT3WRKS, BDWM_w7 */ 904 {0x162D, 0x9cc3, 0x03}, /* BDWGT3SRVR, BDWM_w7 */ 905 }; 906 907 static void isa_bridge_class_init(ObjectClass *klass, void *data) 908 { 909 DeviceClass *dc = DEVICE_CLASS(klass); 910 PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); 911 912 dc->desc = "ISA bridge faked to support IGD PT"; 913 k->vendor_id = PCI_VENDOR_ID_INTEL; 914 k->class_id = PCI_CLASS_BRIDGE_ISA; 915 }; 916 917 static TypeInfo isa_bridge_info = { 918 .name = "igd-passthrough-isa-bridge", 919 .parent = TYPE_PCI_DEVICE, 920 .instance_size = sizeof(PCIDevice), 921 .class_init = isa_bridge_class_init, 922 .interfaces = (InterfaceInfo[]) { 923 { INTERFACE_CONVENTIONAL_PCI_DEVICE }, 924 { }, 925 }, 926 }; 927 928 static void pt_graphics_register_types(void) 929 { 930 type_register_static(&isa_bridge_info); 931 } 932 type_init(pt_graphics_register_types) 933 934 void igd_passthrough_isa_bridge_create(PCIBus *bus, uint16_t gpu_dev_id) 935 { 936 struct PCIDevice *bridge_dev; 937 int i, num; 938 uint16_t pch_dev_id = 0xffff; 939 uint8_t pch_rev_id; 940 941 num = ARRAY_SIZE(igd_combo_id_infos); 942 for (i = 0; i < num; i++) { 943 if (gpu_dev_id == igd_combo_id_infos[i].gpu_device_id) { 944 pch_dev_id = igd_combo_id_infos[i].pch_device_id; 945 pch_rev_id = igd_combo_id_infos[i].pch_revision_id; 946 } 947 } 948 949 if (pch_dev_id == 0xffff) { 950 return; 951 } 952 953 /* Currently IGD drivers always need to access PCH by 1f.0. */ 954 bridge_dev = pci_create_simple(bus, PCI_DEVFN(0x1f, 0), 955 "igd-passthrough-isa-bridge"); 956 957 /* 958 * Note that vendor id is always PCI_VENDOR_ID_INTEL. 959 */ 960 if (!bridge_dev) { 961 fprintf(stderr, "set igd-passthrough-isa-bridge failed!\n"); 962 return; 963 } 964 pci_config_set_device_id(bridge_dev->config, pch_dev_id); 965 pci_config_set_revision(bridge_dev->config, pch_rev_id); 966 } 967 968 static void isapc_machine_options(MachineClass *m) 969 { 970 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 971 m->desc = "ISA-only PC"; 972 m->max_cpus = 1; 973 m->option_rom_has_mr = true; 974 m->rom_file_has_mr = false; 975 pcmc->pci_enabled = false; 976 pcmc->has_acpi_build = false; 977 pcmc->smbios_defaults = false; 978 pcmc->gigabyte_align = false; 979 pcmc->smbios_legacy_mode = true; 980 pcmc->has_reserved_memory = false; 981 pcmc->default_nic_model = "ne2k_isa"; 982 m->default_cpu_type = X86_CPU_TYPE_NAME("486"); 983 } 984 985 DEFINE_PC_MACHINE(isapc, "isapc", pc_init_isa, 986 isapc_machine_options); 987 988 989 #ifdef CONFIG_XEN 990 static void xenfv_machine_options(MachineClass *m) 991 { 992 m->desc = "Xen Fully-virtualized PC"; 993 m->max_cpus = HVM_MAX_VCPUS; 994 m->default_machine_opts = "accel=xen"; 995 } 996 997 DEFINE_PC_MACHINE(xenfv, "xenfv", pc_xen_hvm_init, 998 xenfv_machine_options); 999 #endif 1000