1 /* 2 * QEMU PC System Emulator 3 * 4 * Copyright (c) 2003-2004 Fabrice Bellard 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a copy 7 * of this software and associated documentation files (the "Software"), to deal 8 * in the Software without restriction, including without limitation the rights 9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 10 * copies of the Software, and to permit persons to whom the Software is 11 * furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice shall be included in 14 * all copies or substantial portions of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 22 * THE SOFTWARE. 23 */ 24 25 #include "qemu/osdep.h" 26 #include "config-devices.h" 27 28 #include "qemu/units.h" 29 #include "hw/loader.h" 30 #include "hw/i386/x86.h" 31 #include "hw/i386/pc.h" 32 #include "hw/i386/apic.h" 33 #include "hw/pci-host/i440fx.h" 34 #include "hw/southbridge/piix.h" 35 #include "hw/display/ramfb.h" 36 #include "hw/firmware/smbios.h" 37 #include "hw/pci/pci.h" 38 #include "hw/pci/pci_ids.h" 39 #include "hw/usb.h" 40 #include "net/net.h" 41 #include "hw/ide.h" 42 #include "hw/irq.h" 43 #include "sysemu/kvm.h" 44 #include "hw/kvm/clock.h" 45 #include "sysemu/sysemu.h" 46 #include "hw/sysbus.h" 47 #include "sysemu/arch_init.h" 48 #include "hw/i2c/smbus_eeprom.h" 49 #include "hw/xen/xen.h" 50 #include "exec/memory.h" 51 #include "exec/address-spaces.h" 52 #include "hw/acpi/acpi.h" 53 #include "cpu.h" 54 #include "qapi/error.h" 55 #include "qemu/error-report.h" 56 #ifdef CONFIG_XEN 57 #include <xen/hvm/hvm_info_table.h> 58 #include "hw/xen/xen_pt.h" 59 #endif 60 #include "migration/global_state.h" 61 #include "migration/misc.h" 62 #include "sysemu/numa.h" 63 64 #define MAX_IDE_BUS 2 65 66 #ifdef CONFIG_IDE_ISA 67 static const int ide_iobase[MAX_IDE_BUS] = { 0x1f0, 0x170 }; 68 static const int ide_iobase2[MAX_IDE_BUS] = { 0x3f6, 0x376 }; 69 static const int ide_irq[MAX_IDE_BUS] = { 14, 15 }; 70 #endif 71 72 /* PC hardware initialisation */ 73 static void pc_init1(MachineState *machine, 74 const char *host_type, const char *pci_type) 75 { 76 PCMachineState *pcms = PC_MACHINE(machine); 77 PCMachineClass *pcmc = PC_MACHINE_GET_CLASS(pcms); 78 X86MachineState *x86ms = X86_MACHINE(machine); 79 MemoryRegion *system_memory = get_system_memory(); 80 MemoryRegion *system_io = get_system_io(); 81 PCIBus *pci_bus; 82 ISABus *isa_bus; 83 PCII440FXState *i440fx_state; 84 int piix3_devfn = -1; 85 qemu_irq smi_irq; 86 GSIState *gsi_state; 87 DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS]; 88 BusState *idebus[MAX_IDE_BUS]; 89 ISADevice *rtc_state; 90 MemoryRegion *ram_memory; 91 MemoryRegion *pci_memory; 92 MemoryRegion *rom_memory; 93 ram_addr_t lowmem; 94 95 /* 96 * Calculate ram split, for memory below and above 4G. It's a bit 97 * complicated for backward compatibility reasons ... 98 * 99 * - Traditional split is 3.5G (lowmem = 0xe0000000). This is the 100 * default value for max_ram_below_4g now. 101 * 102 * - Then, to gigabyte align the memory, we move the split to 3G 103 * (lowmem = 0xc0000000). But only in case we have to split in 104 * the first place, i.e. ram_size is larger than (traditional) 105 * lowmem. And for new machine types (gigabyte_align = true) 106 * only, for live migration compatibility reasons. 107 * 108 * - Next the max-ram-below-4g option was added, which allowed to 109 * reduce lowmem to a smaller value, to allow a larger PCI I/O 110 * window below 4G. qemu doesn't enforce gigabyte alignment here, 111 * but prints a warning. 112 * 113 * - Finally max-ram-below-4g got updated to also allow raising lowmem, 114 * so legacy non-PAE guests can get as much memory as possible in 115 * the 32bit address space below 4G. 116 * 117 * - Note that Xen has its own ram setp code in xen_ram_init(), 118 * called via xen_hvm_init(). 119 * 120 * Examples: 121 * qemu -M pc-1.7 -m 4G (old default) -> 3584M low, 512M high 122 * qemu -M pc -m 4G (new default) -> 3072M low, 1024M high 123 * qemu -M pc,max-ram-below-4g=2G -m 4G -> 2048M low, 2048M high 124 * qemu -M pc,max-ram-below-4g=4G -m 3968M -> 3968M low (=4G-128M) 125 */ 126 if (xen_enabled()) { 127 xen_hvm_init(pcms, &ram_memory); 128 } else { 129 if (!x86ms->max_ram_below_4g) { 130 x86ms->max_ram_below_4g = 0xe0000000; /* default: 3.5G */ 131 } 132 lowmem = x86ms->max_ram_below_4g; 133 if (machine->ram_size >= x86ms->max_ram_below_4g) { 134 if (pcmc->gigabyte_align) { 135 if (lowmem > 0xc0000000) { 136 lowmem = 0xc0000000; 137 } 138 if (lowmem & (1 * GiB - 1)) { 139 warn_report("Large machine and max_ram_below_4g " 140 "(%" PRIu64 ") not a multiple of 1G; " 141 "possible bad performance.", 142 x86ms->max_ram_below_4g); 143 } 144 } 145 } 146 147 if (machine->ram_size >= lowmem) { 148 x86ms->above_4g_mem_size = machine->ram_size - lowmem; 149 x86ms->below_4g_mem_size = lowmem; 150 } else { 151 x86ms->above_4g_mem_size = 0; 152 x86ms->below_4g_mem_size = machine->ram_size; 153 } 154 } 155 156 x86_cpus_init(x86ms, pcmc->default_cpu_version); 157 158 if (kvm_enabled() && pcmc->kvmclock_enabled) { 159 kvmclock_create(); 160 } 161 162 if (pcmc->pci_enabled) { 163 pci_memory = g_new(MemoryRegion, 1); 164 memory_region_init(pci_memory, NULL, "pci", UINT64_MAX); 165 rom_memory = pci_memory; 166 } else { 167 pci_memory = NULL; 168 rom_memory = system_memory; 169 } 170 171 pc_guest_info_init(pcms); 172 173 if (pcmc->smbios_defaults) { 174 MachineClass *mc = MACHINE_GET_CLASS(machine); 175 /* These values are guest ABI, do not change */ 176 smbios_set_defaults("QEMU", "Standard PC (i440FX + PIIX, 1996)", 177 mc->name, pcmc->smbios_legacy_mode, 178 pcmc->smbios_uuid_encoded, 179 SMBIOS_ENTRY_POINT_21); 180 } 181 182 /* allocate ram and load rom/bios */ 183 if (!xen_enabled()) { 184 pc_memory_init(pcms, system_memory, 185 rom_memory, &ram_memory); 186 } else if (machine->kernel_filename != NULL) { 187 /* For xen HVM direct kernel boot, load linux here */ 188 xen_load_linux(pcms); 189 } 190 191 gsi_state = pc_gsi_create(&x86ms->gsi, pcmc->pci_enabled); 192 193 if (pcmc->pci_enabled) { 194 PIIX3State *piix3; 195 196 pci_bus = i440fx_init(host_type, 197 pci_type, 198 &i440fx_state, 199 system_memory, system_io, machine->ram_size, 200 x86ms->below_4g_mem_size, 201 x86ms->above_4g_mem_size, 202 pci_memory, ram_memory); 203 pcms->bus = pci_bus; 204 205 piix3 = piix3_create(pci_bus, &isa_bus); 206 piix3->pic = x86ms->gsi; 207 piix3_devfn = piix3->dev.devfn; 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, x86ms->gsi); 216 217 pc_i8259_create(isa_bus, gsi_state->i8259_irq); 218 219 if (pcmc->pci_enabled) { 220 ioapic_init_gsi(gsi_state, "i440fx"); 221 } 222 223 if (tcg_enabled()) { 224 x86_register_ferr_irq(x86ms->gsi[13]); 225 } 226 227 pc_vga_init(isa_bus, pcmc->pci_enabled ? pci_bus : NULL); 228 229 assert(pcms->vmport != ON_OFF_AUTO__MAX); 230 if (pcms->vmport == ON_OFF_AUTO_AUTO) { 231 pcms->vmport = xen_enabled() ? ON_OFF_AUTO_OFF : ON_OFF_AUTO_ON; 232 } 233 234 /* init basic PC hardware */ 235 pc_basic_device_init(isa_bus, x86ms->gsi, &rtc_state, true, 236 (pcms->vmport != ON_OFF_AUTO_ON), pcms->pit_enabled, 237 0x4); 238 239 pc_nic_init(pcmc, isa_bus, pci_bus); 240 241 ide_drive_get(hd, ARRAY_SIZE(hd)); 242 if (pcmc->pci_enabled) { 243 PCIDevice *dev; 244 if (xen_enabled()) { 245 dev = pci_piix3_xen_ide_init(pci_bus, hd, piix3_devfn + 1); 246 } else { 247 dev = pci_piix3_ide_init(pci_bus, hd, piix3_devfn + 1); 248 } 249 idebus[0] = qdev_get_child_bus(&dev->qdev, "ide.0"); 250 idebus[1] = qdev_get_child_bus(&dev->qdev, "ide.1"); 251 pc_cmos_init(pcms, idebus[0], idebus[1], rtc_state); 252 } 253 #ifdef CONFIG_IDE_ISA 254 else { 255 int i; 256 for (i = 0; i < MAX_IDE_BUS; i++) { 257 ISADevice *dev; 258 char busname[] = "ide.0"; 259 dev = isa_ide_init(isa_bus, ide_iobase[i], ide_iobase2[i], 260 ide_irq[i], 261 hd[MAX_IDE_DEVS * i], hd[MAX_IDE_DEVS * i + 1]); 262 /* 263 * The ide bus name is ide.0 for the first bus and ide.1 for the 264 * second one. 265 */ 266 busname[4] = '0' + i; 267 idebus[i] = qdev_get_child_bus(DEVICE(dev), busname); 268 } 269 pc_cmos_init(pcms, idebus[0], idebus[1], rtc_state); 270 } 271 #endif 272 273 if (pcmc->pci_enabled && machine_usb(machine)) { 274 pci_create_simple(pci_bus, piix3_devfn + 2, "piix3-usb-uhci"); 275 } 276 277 if (pcmc->pci_enabled && acpi_enabled) { 278 DeviceState *piix4_pm; 279 280 smi_irq = qemu_allocate_irq(pc_acpi_smi_interrupt, first_cpu, 0); 281 /* TODO: Populate SPD eeprom data. */ 282 pcms->smbus = piix4_pm_init(pci_bus, piix3_devfn + 3, 0xb100, 283 x86ms->gsi[9], smi_irq, 284 pc_machine_is_smm_enabled(pcms), 285 &piix4_pm); 286 smbus_eeprom_init(pcms->smbus, 8, NULL, 0); 287 288 object_property_add_link(OBJECT(machine), PC_MACHINE_ACPI_DEVICE_PROP, 289 TYPE_HOTPLUG_HANDLER, 290 (Object **)&pcms->acpi_dev, 291 object_property_allow_set_link, 292 OBJ_PROP_LINK_STRONG, &error_abort); 293 object_property_set_link(OBJECT(machine), OBJECT(piix4_pm), 294 PC_MACHINE_ACPI_DEVICE_PROP, &error_abort); 295 } 296 297 if (machine->nvdimms_state->is_enabled) { 298 nvdimm_init_acpi_state(machine->nvdimms_state, system_io, 299 x86ms->fw_cfg, OBJECT(pcms)); 300 } 301 } 302 303 /* Looking for a pc_compat_2_4() function? It doesn't exist. 304 * pc_compat_*() functions that run on machine-init time and 305 * change global QEMU state are deprecated. Please don't create 306 * one, and implement any pc-*-2.4 (and newer) compat code in 307 * hw_compat_*, pc_compat_*, or * pc_*_machine_options(). 308 */ 309 310 static void pc_compat_2_3_fn(MachineState *machine) 311 { 312 PCMachineState *pcms = PC_MACHINE(machine); 313 if (kvm_enabled()) { 314 pcms->smm = ON_OFF_AUTO_OFF; 315 } 316 } 317 318 static void pc_compat_2_2_fn(MachineState *machine) 319 { 320 pc_compat_2_3_fn(machine); 321 } 322 323 static void pc_compat_2_1_fn(MachineState *machine) 324 { 325 pc_compat_2_2_fn(machine); 326 x86_cpu_change_kvm_default("svm", NULL); 327 } 328 329 static void pc_compat_2_0_fn(MachineState *machine) 330 { 331 pc_compat_2_1_fn(machine); 332 } 333 334 static void pc_compat_1_7_fn(MachineState *machine) 335 { 336 pc_compat_2_0_fn(machine); 337 x86_cpu_change_kvm_default("x2apic", NULL); 338 } 339 340 static void pc_compat_1_6_fn(MachineState *machine) 341 { 342 pc_compat_1_7_fn(machine); 343 } 344 345 static void pc_compat_1_5_fn(MachineState *machine) 346 { 347 pc_compat_1_6_fn(machine); 348 } 349 350 static void pc_compat_1_4_fn(MachineState *machine) 351 { 352 pc_compat_1_5_fn(machine); 353 } 354 355 static void pc_compat_1_3(MachineState *machine) 356 { 357 pc_compat_1_4_fn(machine); 358 } 359 360 /* PC compat function for pc-0.14 to pc-1.2 */ 361 static void pc_compat_1_2(MachineState *machine) 362 { 363 pc_compat_1_3(machine); 364 x86_cpu_change_kvm_default("kvm-pv-eoi", NULL); 365 } 366 367 /* PC compat function for pc-0.12 and pc-0.13 */ 368 static void pc_compat_0_13(MachineState *machine) 369 { 370 pc_compat_1_2(machine); 371 } 372 373 static void pc_init_isa(MachineState *machine) 374 { 375 pc_init1(machine, TYPE_I440FX_PCI_HOST_BRIDGE, TYPE_I440FX_PCI_DEVICE); 376 } 377 378 #ifdef CONFIG_XEN 379 static void pc_xen_hvm_init_pci(MachineState *machine) 380 { 381 const char *pci_type = has_igd_gfx_passthru ? 382 TYPE_IGD_PASSTHROUGH_I440FX_PCI_DEVICE : TYPE_I440FX_PCI_DEVICE; 383 384 pc_init1(machine, 385 TYPE_I440FX_PCI_HOST_BRIDGE, 386 pci_type); 387 } 388 389 static void pc_xen_hvm_init(MachineState *machine) 390 { 391 PCMachineState *pcms = PC_MACHINE(machine); 392 393 if (!xen_enabled()) { 394 error_report("xenfv machine requires the xen accelerator"); 395 exit(1); 396 } 397 398 pc_xen_hvm_init_pci(machine); 399 pci_create_simple(pcms->bus, -1, "xen-platform"); 400 } 401 #endif 402 403 #define DEFINE_I440FX_MACHINE(suffix, name, compatfn, optionfn) \ 404 static void pc_init_##suffix(MachineState *machine) \ 405 { \ 406 void (*compat)(MachineState *m) = (compatfn); \ 407 if (compat) { \ 408 compat(machine); \ 409 } \ 410 pc_init1(machine, TYPE_I440FX_PCI_HOST_BRIDGE, \ 411 TYPE_I440FX_PCI_DEVICE); \ 412 } \ 413 DEFINE_PC_MACHINE(suffix, name, pc_init_##suffix, optionfn) 414 415 static void pc_i440fx_machine_options(MachineClass *m) 416 { 417 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 418 pcmc->default_nic_model = "e1000"; 419 420 m->family = "pc_piix"; 421 m->desc = "Standard PC (i440FX + PIIX, 1996)"; 422 m->default_machine_opts = "firmware=bios-256k.bin"; 423 m->default_display = "std"; 424 machine_class_allow_dynamic_sysbus_dev(m, TYPE_RAMFB_DEVICE); 425 } 426 427 static void pc_i440fx_5_0_machine_options(MachineClass *m) 428 { 429 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 430 pc_i440fx_machine_options(m); 431 m->alias = "pc"; 432 m->is_default = 1; 433 pcmc->default_cpu_version = 1; 434 compat_props_add(m->compat_props, hw_compat_4_2, hw_compat_4_2_len); 435 } 436 437 DEFINE_I440FX_MACHINE(v5_0, "pc-i440fx-5.0", NULL, 438 pc_i440fx_5_0_machine_options); 439 440 static void pc_i440fx_4_2_machine_options(MachineClass *m) 441 { 442 pc_i440fx_5_0_machine_options(m); 443 m->alias = NULL; 444 m->is_default = 0; 445 compat_props_add(m->compat_props, hw_compat_4_2, hw_compat_4_2_len); 446 compat_props_add(m->compat_props, pc_compat_4_2, pc_compat_4_2_len); 447 } 448 449 DEFINE_I440FX_MACHINE(v4_2, "pc-i440fx-4.2", NULL, 450 pc_i440fx_4_2_machine_options); 451 452 static void pc_i440fx_4_1_machine_options(MachineClass *m) 453 { 454 pc_i440fx_4_2_machine_options(m); 455 m->alias = NULL; 456 m->is_default = 0; 457 compat_props_add(m->compat_props, hw_compat_4_1, hw_compat_4_1_len); 458 compat_props_add(m->compat_props, pc_compat_4_1, pc_compat_4_1_len); 459 } 460 461 DEFINE_I440FX_MACHINE(v4_1, "pc-i440fx-4.1", NULL, 462 pc_i440fx_4_1_machine_options); 463 464 static void pc_i440fx_4_0_machine_options(MachineClass *m) 465 { 466 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 467 pc_i440fx_4_1_machine_options(m); 468 m->alias = NULL; 469 m->is_default = 0; 470 pcmc->default_cpu_version = CPU_VERSION_LEGACY; 471 compat_props_add(m->compat_props, hw_compat_4_0, hw_compat_4_0_len); 472 compat_props_add(m->compat_props, pc_compat_4_0, pc_compat_4_0_len); 473 } 474 475 DEFINE_I440FX_MACHINE(v4_0, "pc-i440fx-4.0", NULL, 476 pc_i440fx_4_0_machine_options); 477 478 static void pc_i440fx_3_1_machine_options(MachineClass *m) 479 { 480 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 481 482 pc_i440fx_4_0_machine_options(m); 483 m->is_default = 0; 484 pcmc->do_not_add_smb_acpi = true; 485 m->smbus_no_migration_support = true; 486 m->alias = NULL; 487 pcmc->pvh_enabled = false; 488 compat_props_add(m->compat_props, hw_compat_3_1, hw_compat_3_1_len); 489 compat_props_add(m->compat_props, pc_compat_3_1, pc_compat_3_1_len); 490 } 491 492 DEFINE_I440FX_MACHINE(v3_1, "pc-i440fx-3.1", NULL, 493 pc_i440fx_3_1_machine_options); 494 495 static void pc_i440fx_3_0_machine_options(MachineClass *m) 496 { 497 pc_i440fx_3_1_machine_options(m); 498 compat_props_add(m->compat_props, hw_compat_3_0, hw_compat_3_0_len); 499 compat_props_add(m->compat_props, pc_compat_3_0, pc_compat_3_0_len); 500 } 501 502 DEFINE_I440FX_MACHINE(v3_0, "pc-i440fx-3.0", NULL, 503 pc_i440fx_3_0_machine_options); 504 505 static void pc_i440fx_2_12_machine_options(MachineClass *m) 506 { 507 pc_i440fx_3_0_machine_options(m); 508 compat_props_add(m->compat_props, hw_compat_2_12, hw_compat_2_12_len); 509 compat_props_add(m->compat_props, pc_compat_2_12, pc_compat_2_12_len); 510 } 511 512 DEFINE_I440FX_MACHINE(v2_12, "pc-i440fx-2.12", NULL, 513 pc_i440fx_2_12_machine_options); 514 515 static void pc_i440fx_2_11_machine_options(MachineClass *m) 516 { 517 pc_i440fx_2_12_machine_options(m); 518 compat_props_add(m->compat_props, hw_compat_2_11, hw_compat_2_11_len); 519 compat_props_add(m->compat_props, pc_compat_2_11, pc_compat_2_11_len); 520 } 521 522 DEFINE_I440FX_MACHINE(v2_11, "pc-i440fx-2.11", NULL, 523 pc_i440fx_2_11_machine_options); 524 525 static void pc_i440fx_2_10_machine_options(MachineClass *m) 526 { 527 pc_i440fx_2_11_machine_options(m); 528 compat_props_add(m->compat_props, hw_compat_2_10, hw_compat_2_10_len); 529 compat_props_add(m->compat_props, pc_compat_2_10, pc_compat_2_10_len); 530 m->auto_enable_numa_with_memhp = false; 531 } 532 533 DEFINE_I440FX_MACHINE(v2_10, "pc-i440fx-2.10", NULL, 534 pc_i440fx_2_10_machine_options); 535 536 static void pc_i440fx_2_9_machine_options(MachineClass *m) 537 { 538 pc_i440fx_2_10_machine_options(m); 539 compat_props_add(m->compat_props, hw_compat_2_9, hw_compat_2_9_len); 540 compat_props_add(m->compat_props, pc_compat_2_9, pc_compat_2_9_len); 541 m->numa_auto_assign_ram = numa_legacy_auto_assign_ram; 542 } 543 544 DEFINE_I440FX_MACHINE(v2_9, "pc-i440fx-2.9", NULL, 545 pc_i440fx_2_9_machine_options); 546 547 static void pc_i440fx_2_8_machine_options(MachineClass *m) 548 { 549 pc_i440fx_2_9_machine_options(m); 550 compat_props_add(m->compat_props, hw_compat_2_8, hw_compat_2_8_len); 551 compat_props_add(m->compat_props, pc_compat_2_8, pc_compat_2_8_len); 552 } 553 554 DEFINE_I440FX_MACHINE(v2_8, "pc-i440fx-2.8", NULL, 555 pc_i440fx_2_8_machine_options); 556 557 static void pc_i440fx_2_7_machine_options(MachineClass *m) 558 { 559 pc_i440fx_2_8_machine_options(m); 560 compat_props_add(m->compat_props, hw_compat_2_7, hw_compat_2_7_len); 561 compat_props_add(m->compat_props, pc_compat_2_7, pc_compat_2_7_len); 562 } 563 564 DEFINE_I440FX_MACHINE(v2_7, "pc-i440fx-2.7", NULL, 565 pc_i440fx_2_7_machine_options); 566 567 static void pc_i440fx_2_6_machine_options(MachineClass *m) 568 { 569 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 570 571 pc_i440fx_2_7_machine_options(m); 572 pcmc->legacy_cpu_hotplug = true; 573 pcmc->linuxboot_dma_enabled = false; 574 compat_props_add(m->compat_props, hw_compat_2_6, hw_compat_2_6_len); 575 compat_props_add(m->compat_props, pc_compat_2_6, pc_compat_2_6_len); 576 } 577 578 DEFINE_I440FX_MACHINE(v2_6, "pc-i440fx-2.6", NULL, 579 pc_i440fx_2_6_machine_options); 580 581 static void pc_i440fx_2_5_machine_options(MachineClass *m) 582 { 583 X86MachineClass *x86mc = X86_MACHINE_CLASS(m); 584 585 pc_i440fx_2_6_machine_options(m); 586 x86mc->save_tsc_khz = false; 587 m->legacy_fw_cfg_order = 1; 588 compat_props_add(m->compat_props, hw_compat_2_5, hw_compat_2_5_len); 589 compat_props_add(m->compat_props, pc_compat_2_5, pc_compat_2_5_len); 590 } 591 592 DEFINE_I440FX_MACHINE(v2_5, "pc-i440fx-2.5", NULL, 593 pc_i440fx_2_5_machine_options); 594 595 static void pc_i440fx_2_4_machine_options(MachineClass *m) 596 { 597 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 598 599 pc_i440fx_2_5_machine_options(m); 600 m->hw_version = "2.4.0"; 601 pcmc->broken_reserved_end = true; 602 compat_props_add(m->compat_props, hw_compat_2_4, hw_compat_2_4_len); 603 compat_props_add(m->compat_props, pc_compat_2_4, pc_compat_2_4_len); 604 } 605 606 DEFINE_I440FX_MACHINE(v2_4, "pc-i440fx-2.4", NULL, 607 pc_i440fx_2_4_machine_options) 608 609 static void pc_i440fx_2_3_machine_options(MachineClass *m) 610 { 611 pc_i440fx_2_4_machine_options(m); 612 m->hw_version = "2.3.0"; 613 compat_props_add(m->compat_props, hw_compat_2_3, hw_compat_2_3_len); 614 compat_props_add(m->compat_props, pc_compat_2_3, pc_compat_2_3_len); 615 } 616 617 DEFINE_I440FX_MACHINE(v2_3, "pc-i440fx-2.3", pc_compat_2_3_fn, 618 pc_i440fx_2_3_machine_options); 619 620 static void pc_i440fx_2_2_machine_options(MachineClass *m) 621 { 622 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 623 624 pc_i440fx_2_3_machine_options(m); 625 m->hw_version = "2.2.0"; 626 m->default_machine_opts = "firmware=bios-256k.bin,suppress-vmdesc=on"; 627 compat_props_add(m->compat_props, hw_compat_2_2, hw_compat_2_2_len); 628 compat_props_add(m->compat_props, pc_compat_2_2, pc_compat_2_2_len); 629 pcmc->rsdp_in_ram = false; 630 } 631 632 DEFINE_I440FX_MACHINE(v2_2, "pc-i440fx-2.2", pc_compat_2_2_fn, 633 pc_i440fx_2_2_machine_options); 634 635 static void pc_i440fx_2_1_machine_options(MachineClass *m) 636 { 637 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 638 639 pc_i440fx_2_2_machine_options(m); 640 m->hw_version = "2.1.0"; 641 m->default_display = NULL; 642 compat_props_add(m->compat_props, hw_compat_2_1, hw_compat_2_1_len); 643 compat_props_add(m->compat_props, pc_compat_2_1, pc_compat_2_1_len); 644 pcmc->smbios_uuid_encoded = false; 645 pcmc->enforce_aligned_dimm = false; 646 } 647 648 DEFINE_I440FX_MACHINE(v2_1, "pc-i440fx-2.1", pc_compat_2_1_fn, 649 pc_i440fx_2_1_machine_options); 650 651 static void pc_i440fx_2_0_machine_options(MachineClass *m) 652 { 653 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 654 655 pc_i440fx_2_1_machine_options(m); 656 m->hw_version = "2.0.0"; 657 compat_props_add(m->compat_props, pc_compat_2_0, pc_compat_2_0_len); 658 pcmc->smbios_legacy_mode = true; 659 pcmc->has_reserved_memory = false; 660 /* This value depends on the actual DSDT and SSDT compiled into 661 * the source QEMU; unfortunately it depends on the binary and 662 * not on the machine type, so we cannot make pc-i440fx-1.7 work on 663 * both QEMU 1.7 and QEMU 2.0. 664 * 665 * Large variations cause migration to fail for more than one 666 * consecutive value of the "-smp" maxcpus option. 667 * 668 * For small variations of the kind caused by different iasl versions, 669 * the 4k rounding usually leaves slack. However, there could be still 670 * one or two values that break. For QEMU 1.7 and QEMU 2.0 the 671 * slack is only ~10 bytes before one "-smp maxcpus" value breaks! 672 * 673 * 6652 is valid for QEMU 2.0, the right value for pc-i440fx-1.7 on 674 * QEMU 1.7 it is 6414. For RHEL/CentOS 7.0 it is 6418. 675 */ 676 pcmc->legacy_acpi_table_size = 6652; 677 pcmc->acpi_data_size = 0x10000; 678 } 679 680 DEFINE_I440FX_MACHINE(v2_0, "pc-i440fx-2.0", pc_compat_2_0_fn, 681 pc_i440fx_2_0_machine_options); 682 683 static void pc_i440fx_1_7_machine_options(MachineClass *m) 684 { 685 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 686 687 pc_i440fx_2_0_machine_options(m); 688 m->hw_version = "1.7.0"; 689 m->default_machine_opts = NULL; 690 m->option_rom_has_mr = true; 691 compat_props_add(m->compat_props, pc_compat_1_7, pc_compat_1_7_len); 692 pcmc->smbios_defaults = false; 693 pcmc->gigabyte_align = false; 694 pcmc->legacy_acpi_table_size = 6414; 695 } 696 697 DEFINE_I440FX_MACHINE(v1_7, "pc-i440fx-1.7", pc_compat_1_7_fn, 698 pc_i440fx_1_7_machine_options); 699 700 static void pc_i440fx_1_6_machine_options(MachineClass *m) 701 { 702 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 703 704 pc_i440fx_1_7_machine_options(m); 705 m->hw_version = "1.6.0"; 706 m->rom_file_has_mr = false; 707 compat_props_add(m->compat_props, pc_compat_1_6, pc_compat_1_6_len); 708 pcmc->has_acpi_build = false; 709 } 710 711 DEFINE_I440FX_MACHINE(v1_6, "pc-i440fx-1.6", pc_compat_1_6_fn, 712 pc_i440fx_1_6_machine_options); 713 714 static void pc_i440fx_1_5_machine_options(MachineClass *m) 715 { 716 pc_i440fx_1_6_machine_options(m); 717 m->hw_version = "1.5.0"; 718 compat_props_add(m->compat_props, pc_compat_1_5, pc_compat_1_5_len); 719 } 720 721 DEFINE_I440FX_MACHINE(v1_5, "pc-i440fx-1.5", pc_compat_1_5_fn, 722 pc_i440fx_1_5_machine_options); 723 724 static void pc_i440fx_1_4_machine_options(MachineClass *m) 725 { 726 pc_i440fx_1_5_machine_options(m); 727 m->hw_version = "1.4.0"; 728 m->hot_add_cpu = NULL; 729 compat_props_add(m->compat_props, pc_compat_1_4, pc_compat_1_4_len); 730 } 731 732 DEFINE_I440FX_MACHINE(v1_4, "pc-i440fx-1.4", pc_compat_1_4_fn, 733 pc_i440fx_1_4_machine_options); 734 735 static void pc_i440fx_1_3_machine_options(MachineClass *m) 736 { 737 X86MachineClass *x86mc = X86_MACHINE_CLASS(m); 738 static GlobalProperty compat[] = { 739 PC_CPU_MODEL_IDS("1.3.0") 740 { "usb-tablet", "usb_version", "1" }, 741 { "virtio-net-pci", "ctrl_mac_addr", "off" }, 742 { "virtio-net-pci", "mq", "off" }, 743 { "e1000", "autonegotiation", "off" }, 744 }; 745 746 pc_i440fx_1_4_machine_options(m); 747 m->hw_version = "1.3.0"; 748 x86mc->compat_apic_id_mode = true; 749 compat_props_add(m->compat_props, compat, G_N_ELEMENTS(compat)); 750 } 751 752 DEFINE_I440FX_MACHINE(v1_3, "pc-1.3", pc_compat_1_3, 753 pc_i440fx_1_3_machine_options); 754 755 756 static void pc_i440fx_1_2_machine_options(MachineClass *m) 757 { 758 static GlobalProperty compat[] = { 759 PC_CPU_MODEL_IDS("1.2.0") 760 { "nec-usb-xhci", "msi", "off" }, 761 { "nec-usb-xhci", "msix", "off" }, 762 { "qxl", "revision", "3" }, 763 { "qxl-vga", "revision", "3" }, 764 { "VGA", "mmio", "off" }, 765 }; 766 767 pc_i440fx_1_3_machine_options(m); 768 m->hw_version = "1.2.0"; 769 compat_props_add(m->compat_props, compat, G_N_ELEMENTS(compat)); 770 } 771 772 DEFINE_I440FX_MACHINE(v1_2, "pc-1.2", pc_compat_1_2, 773 pc_i440fx_1_2_machine_options); 774 775 776 static void pc_i440fx_1_1_machine_options(MachineClass *m) 777 { 778 static GlobalProperty compat[] = { 779 PC_CPU_MODEL_IDS("1.1.0") 780 { "virtio-scsi-pci", "hotplug", "off" }, 781 { "virtio-scsi-pci", "param_change", "off" }, 782 { "VGA", "vgamem_mb", "8" }, 783 { "vmware-svga", "vgamem_mb", "8" }, 784 { "qxl-vga", "vgamem_mb", "8" }, 785 { "qxl", "vgamem_mb", "8" }, 786 { "virtio-blk-pci", "config-wce", "off" }, 787 }; 788 789 pc_i440fx_1_2_machine_options(m); 790 m->hw_version = "1.1.0"; 791 compat_props_add(m->compat_props, compat, G_N_ELEMENTS(compat)); 792 } 793 794 DEFINE_I440FX_MACHINE(v1_1, "pc-1.1", pc_compat_1_2, 795 pc_i440fx_1_1_machine_options); 796 797 static void pc_i440fx_1_0_machine_options(MachineClass *m) 798 { 799 static GlobalProperty compat[] = { 800 PC_CPU_MODEL_IDS("1.0") 801 { TYPE_ISA_FDC, "check_media_rate", "off" }, 802 { "virtio-balloon-pci", "class", stringify(PCI_CLASS_MEMORY_RAM) }, 803 { "apic-common", "vapic", "off" }, 804 { TYPE_USB_DEVICE, "full-path", "no" }, 805 }; 806 807 pc_i440fx_1_1_machine_options(m); 808 m->hw_version = "1.0"; 809 compat_props_add(m->compat_props, compat, G_N_ELEMENTS(compat)); 810 } 811 812 DEFINE_I440FX_MACHINE(v1_0, "pc-1.0", pc_compat_1_2, 813 pc_i440fx_1_0_machine_options); 814 815 816 static void pc_i440fx_0_15_machine_options(MachineClass *m) 817 { 818 static GlobalProperty compat[] = { 819 PC_CPU_MODEL_IDS("0.15") 820 }; 821 822 pc_i440fx_1_0_machine_options(m); 823 m->hw_version = "0.15"; 824 m->deprecation_reason = "use a newer machine type instead"; 825 compat_props_add(m->compat_props, compat, G_N_ELEMENTS(compat)); 826 } 827 828 DEFINE_I440FX_MACHINE(v0_15, "pc-0.15", pc_compat_1_2, 829 pc_i440fx_0_15_machine_options); 830 831 832 static void pc_i440fx_0_14_machine_options(MachineClass *m) 833 { 834 static GlobalProperty compat[] = { 835 PC_CPU_MODEL_IDS("0.14") 836 { "virtio-blk-pci", "event_idx", "off" }, 837 { "virtio-serial-pci", "event_idx", "off" }, 838 { "virtio-net-pci", "event_idx", "off" }, 839 { "virtio-balloon-pci", "event_idx", "off" }, 840 { "qxl", "revision", "2" }, 841 { "qxl-vga", "revision", "2" }, 842 }; 843 844 pc_i440fx_0_15_machine_options(m); 845 m->hw_version = "0.14"; 846 compat_props_add(m->compat_props, compat, G_N_ELEMENTS(compat)); 847 } 848 849 DEFINE_I440FX_MACHINE(v0_14, "pc-0.14", pc_compat_1_2, 850 pc_i440fx_0_14_machine_options); 851 852 static void pc_i440fx_0_13_machine_options(MachineClass *m) 853 { 854 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 855 static GlobalProperty compat[] = { 856 PC_CPU_MODEL_IDS("0.13") 857 { TYPE_PCI_DEVICE, "command_serr_enable", "off" }, 858 { "AC97", "use_broken_id", "1" }, 859 { "virtio-9p-pci", "vectors", "0" }, 860 { "VGA", "rombar", "0" }, 861 { "vmware-svga", "rombar", "0" }, 862 }; 863 864 pc_i440fx_0_14_machine_options(m); 865 m->hw_version = "0.13"; 866 compat_props_add(m->compat_props, compat, G_N_ELEMENTS(compat)); 867 pcmc->kvmclock_enabled = false; 868 } 869 870 DEFINE_I440FX_MACHINE(v0_13, "pc-0.13", pc_compat_0_13, 871 pc_i440fx_0_13_machine_options); 872 873 static void pc_i440fx_0_12_machine_options(MachineClass *m) 874 { 875 static GlobalProperty compat[] = { 876 PC_CPU_MODEL_IDS("0.12") 877 { "virtio-serial-pci", "max_ports", "1" }, 878 { "virtio-serial-pci", "vectors", "0" }, 879 { "usb-mouse", "serial", "1" }, 880 { "usb-tablet", "serial", "1" }, 881 { "usb-kbd", "serial", "1" }, 882 }; 883 884 pc_i440fx_0_13_machine_options(m); 885 m->hw_version = "0.12"; 886 compat_props_add(m->compat_props, compat, G_N_ELEMENTS(compat)); 887 } 888 889 DEFINE_I440FX_MACHINE(v0_12, "pc-0.12", pc_compat_0_13, 890 pc_i440fx_0_12_machine_options); 891 892 typedef struct { 893 uint16_t gpu_device_id; 894 uint16_t pch_device_id; 895 uint8_t pch_revision_id; 896 } IGDDeviceIDInfo; 897 898 /* In real world different GPU should have different PCH. But actually 899 * the different PCH DIDs likely map to different PCH SKUs. We do the 900 * same thing for the GPU. For PCH, the different SKUs are going to be 901 * all the same silicon design and implementation, just different 902 * features turn on and off with fuses. The SW interfaces should be 903 * consistent across all SKUs in a given family (eg LPT). But just same 904 * features may not be supported. 905 * 906 * Most of these different PCH features probably don't matter to the 907 * Gfx driver, but obviously any difference in display port connections 908 * will so it should be fine with any PCH in case of passthrough. 909 * 910 * So currently use one PCH version, 0x8c4e, to cover all HSW(Haswell) 911 * scenarios, 0x9cc3 for BDW(Broadwell). 912 */ 913 static const IGDDeviceIDInfo igd_combo_id_infos[] = { 914 /* HSW Classic */ 915 {0x0402, 0x8c4e, 0x04}, /* HSWGT1D, HSWD_w7 */ 916 {0x0406, 0x8c4e, 0x04}, /* HSWGT1M, HSWM_w7 */ 917 {0x0412, 0x8c4e, 0x04}, /* HSWGT2D, HSWD_w7 */ 918 {0x0416, 0x8c4e, 0x04}, /* HSWGT2M, HSWM_w7 */ 919 {0x041E, 0x8c4e, 0x04}, /* HSWGT15D, HSWD_w7 */ 920 /* HSW ULT */ 921 {0x0A06, 0x8c4e, 0x04}, /* HSWGT1UT, HSWM_w7 */ 922 {0x0A16, 0x8c4e, 0x04}, /* HSWGT2UT, HSWM_w7 */ 923 {0x0A26, 0x8c4e, 0x06}, /* HSWGT3UT, HSWM_w7 */ 924 {0x0A2E, 0x8c4e, 0x04}, /* HSWGT3UT28W, HSWM_w7 */ 925 {0x0A1E, 0x8c4e, 0x04}, /* HSWGT2UX, HSWM_w7 */ 926 {0x0A0E, 0x8c4e, 0x04}, /* HSWGT1ULX, HSWM_w7 */ 927 /* HSW CRW */ 928 {0x0D26, 0x8c4e, 0x04}, /* HSWGT3CW, HSWM_w7 */ 929 {0x0D22, 0x8c4e, 0x04}, /* HSWGT3CWDT, HSWD_w7 */ 930 /* HSW Server */ 931 {0x041A, 0x8c4e, 0x04}, /* HSWSVGT2, HSWD_w7 */ 932 /* HSW SRVR */ 933 {0x040A, 0x8c4e, 0x04}, /* HSWSVGT1, HSWD_w7 */ 934 /* BSW */ 935 {0x1606, 0x9cc3, 0x03}, /* BDWULTGT1, BDWM_w7 */ 936 {0x1616, 0x9cc3, 0x03}, /* BDWULTGT2, BDWM_w7 */ 937 {0x1626, 0x9cc3, 0x03}, /* BDWULTGT3, BDWM_w7 */ 938 {0x160E, 0x9cc3, 0x03}, /* BDWULXGT1, BDWM_w7 */ 939 {0x161E, 0x9cc3, 0x03}, /* BDWULXGT2, BDWM_w7 */ 940 {0x1602, 0x9cc3, 0x03}, /* BDWHALOGT1, BDWM_w7 */ 941 {0x1612, 0x9cc3, 0x03}, /* BDWHALOGT2, BDWM_w7 */ 942 {0x1622, 0x9cc3, 0x03}, /* BDWHALOGT3, BDWM_w7 */ 943 {0x162B, 0x9cc3, 0x03}, /* BDWHALO28W, BDWM_w7 */ 944 {0x162A, 0x9cc3, 0x03}, /* BDWGT3WRKS, BDWM_w7 */ 945 {0x162D, 0x9cc3, 0x03}, /* BDWGT3SRVR, BDWM_w7 */ 946 }; 947 948 static void isa_bridge_class_init(ObjectClass *klass, void *data) 949 { 950 DeviceClass *dc = DEVICE_CLASS(klass); 951 PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); 952 953 dc->desc = "ISA bridge faked to support IGD PT"; 954 set_bit(DEVICE_CATEGORY_BRIDGE, dc->categories); 955 k->vendor_id = PCI_VENDOR_ID_INTEL; 956 k->class_id = PCI_CLASS_BRIDGE_ISA; 957 }; 958 959 static TypeInfo isa_bridge_info = { 960 .name = "igd-passthrough-isa-bridge", 961 .parent = TYPE_PCI_DEVICE, 962 .instance_size = sizeof(PCIDevice), 963 .class_init = isa_bridge_class_init, 964 .interfaces = (InterfaceInfo[]) { 965 { INTERFACE_CONVENTIONAL_PCI_DEVICE }, 966 { }, 967 }, 968 }; 969 970 static void pt_graphics_register_types(void) 971 { 972 type_register_static(&isa_bridge_info); 973 } 974 type_init(pt_graphics_register_types) 975 976 void igd_passthrough_isa_bridge_create(PCIBus *bus, uint16_t gpu_dev_id) 977 { 978 struct PCIDevice *bridge_dev; 979 int i, num; 980 uint16_t pch_dev_id = 0xffff; 981 uint8_t pch_rev_id; 982 983 num = ARRAY_SIZE(igd_combo_id_infos); 984 for (i = 0; i < num; i++) { 985 if (gpu_dev_id == igd_combo_id_infos[i].gpu_device_id) { 986 pch_dev_id = igd_combo_id_infos[i].pch_device_id; 987 pch_rev_id = igd_combo_id_infos[i].pch_revision_id; 988 } 989 } 990 991 if (pch_dev_id == 0xffff) { 992 return; 993 } 994 995 /* Currently IGD drivers always need to access PCH by 1f.0. */ 996 bridge_dev = pci_create_simple(bus, PCI_DEVFN(0x1f, 0), 997 "igd-passthrough-isa-bridge"); 998 999 /* 1000 * Note that vendor id is always PCI_VENDOR_ID_INTEL. 1001 */ 1002 if (!bridge_dev) { 1003 fprintf(stderr, "set igd-passthrough-isa-bridge failed!\n"); 1004 return; 1005 } 1006 pci_config_set_device_id(bridge_dev->config, pch_dev_id); 1007 pci_config_set_revision(bridge_dev->config, pch_rev_id); 1008 } 1009 1010 static void isapc_machine_options(MachineClass *m) 1011 { 1012 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 1013 m->desc = "ISA-only PC"; 1014 m->max_cpus = 1; 1015 m->option_rom_has_mr = true; 1016 m->rom_file_has_mr = false; 1017 pcmc->pci_enabled = false; 1018 pcmc->has_acpi_build = false; 1019 pcmc->smbios_defaults = false; 1020 pcmc->gigabyte_align = false; 1021 pcmc->smbios_legacy_mode = true; 1022 pcmc->has_reserved_memory = false; 1023 pcmc->default_nic_model = "ne2k_isa"; 1024 m->default_cpu_type = X86_CPU_TYPE_NAME("486"); 1025 } 1026 1027 DEFINE_PC_MACHINE(isapc, "isapc", pc_init_isa, 1028 isapc_machine_options); 1029 1030 1031 #ifdef CONFIG_XEN 1032 static void xenfv_machine_options(MachineClass *m) 1033 { 1034 m->desc = "Xen Fully-virtualized PC"; 1035 m->max_cpus = HVM_MAX_VCPUS; 1036 m->default_machine_opts = "accel=xen"; 1037 } 1038 1039 DEFINE_PC_MACHINE(xenfv, "xenfv", pc_xen_hvm_init, 1040 xenfv_machine_options); 1041 #endif 1042