hw/i386/pc_piix.c

   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 <glib.h>
  26
  27 #include "hw/hw.h"
  28 #include "hw/loader.h"
  29 #include "hw/i386/pc.h"
  30 #include "hw/i386/apic.h"
  31 #include "hw/i386/smbios.h"
  32 #include "hw/pci/pci.h"
  33 #include "hw/pci/pci_ids.h"
  34 #include "hw/usb.h"
  35 #include "net/net.h"
  36 #include "hw/boards.h"
  37 #include "hw/ide.h"
  38 #include "sysemu/kvm.h"
  39 #include "hw/kvm/clock.h"
  40 #include "sysemu/sysemu.h"
  41 #include "hw/sysbus.h"
  42 #include "hw/cpu/icc_bus.h"
  43 #include "sysemu/arch_init.h"
  44 #include "sysemu/block-backend.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 "qemu/error-report.h"
  52 #ifdef CONFIG_XEN
  53 #  include <xen/hvm/hvm_info_table.h>
  54 #endif
  55
  56 #define MAX_IDE_BUS 2
  57
  58 static const int ide_iobase[MAX_IDE_BUS] = { 0x1f0, 0x170 };
  59 static const int ide_iobase2[MAX_IDE_BUS] = { 0x3f6, 0x376 };
  60 static const int ide_irq[MAX_IDE_BUS] = { 14, 15 };
  61
  62 static bool has_acpi_build = true;
  63 static int legacy_acpi_table_size;
  64 static bool smbios_defaults = true;
  65 static bool smbios_legacy_mode;
  66 /* Make sure that guest addresses aligned at 1Gbyte boundaries get mapped to
  67  * host addresses aligned at 1Gbyte boundaries.  This way we can use 1GByte
  68  * pages in the host.
  69  */
  70 static bool gigabyte_align = true;
  71 static bool has_reserved_memory = true;
  72
  73 /* PC hardware initialisation */
  74 static void pc_init1(MachineState *machine,
  75                      int pci_enabled,
  76                      int kvmclock_enabled)
  77 {
  78     PCMachineState *pc_machine = PC_MACHINE(machine);
  79     MemoryRegion *system_memory = get_system_memory();
  80     MemoryRegion *system_io = get_system_io();
  81     int i;
  82     ram_addr_t below_4g_mem_size, above_4g_mem_size;
  83     PCIBus *pci_bus;
  84     ISABus *isa_bus;
  85     PCII440FXState *i440fx_state;
  86     int piix3_devfn = -1;
  87     qemu_irq *cpu_irq;
  88     qemu_irq *gsi;
  89     qemu_irq *i8259;
  90     qemu_irq *smi_irq;
  91     GSIState *gsi_state;
  92     DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
  93     BusState *idebus[MAX_IDE_BUS];
  94     ISADevice *rtc_state;
  95     ISADevice *floppy;
  96     MemoryRegion *ram_memory;
  97     MemoryRegion *pci_memory;
  98     MemoryRegion *rom_memory;
  99     DeviceState *icc_bridge;
 100     FWCfgState *fw_cfg = NULL;
 101     PcGuestInfo *guest_info;
 102     ram_addr_t lowmem;
 103
 104     /* Check whether RAM fits below 4G (leaving 1/2 GByte for IO memory).
 105      * If it doesn't, we need to split it in chunks below and above 4G.
 106      * In any case, try to make sure that guest addresses aligned at
 107      * 1G boundaries get mapped to host addresses aligned at 1G boundaries.
 108      * For old machine types, use whatever split we used historically to avoid
 109      * breaking migration.
 110      */
 111     if (machine->ram_size >= 0xe0000000) {
 112         lowmem = gigabyte_align ? 0xc0000000 : 0xe0000000;
 113     } else {
 114         lowmem = 0xe0000000;
 115     }
 116
 117     /* Handle the machine opt max-ram-below-4g.  It is basically doing
 118      * min(qemu limit, user limit).
 119      */
 120     if (lowmem > pc_machine->max_ram_below_4g) {
 121         lowmem = pc_machine->max_ram_below_4g;
 122         if (machine->ram_size - lowmem > lowmem &&
 123             lowmem & ((1ULL << 30) - 1)) {
 124             error_report("Warning: Large machine and max_ram_below_4g(%"PRIu64
 125                          ") not a multiple of 1G; possible bad performance.",
 126                          pc_machine->max_ram_below_4g);
 127         }
 128     }
 129
 130     if (machine->ram_size >= lowmem) {
 131         above_4g_mem_size = machine->ram_size - lowmem;
 132         below_4g_mem_size = lowmem;
 133     } else {
 134         above_4g_mem_size = 0;
 135         below_4g_mem_size = machine->ram_size;
 136     }
 137
 138     if (xen_enabled() && xen_hvm_init(&below_4g_mem_size, &above_4g_mem_size,
 139                                       &ram_memory) != 0) {
 140         fprintf(stderr, "xen hardware virtual machine initialisation failed\n");
 141         exit(1);
 142     }
 143
 144     icc_bridge = qdev_create(NULL, TYPE_ICC_BRIDGE);
 145     object_property_add_child(qdev_get_machine(), "icc-bridge",
 146                               OBJECT(icc_bridge), NULL);
 147
 148     pc_cpus_init(machine->cpu_model, icc_bridge);
 149
 150     if (kvm_enabled() && kvmclock_enabled) {
 151         kvmclock_create();
 152     }
 153
 154     if (pci_enabled) {
 155         pci_memory = g_new(MemoryRegion, 1);
 156         memory_region_init(pci_memory, NULL, "pci", UINT64_MAX);
 157         rom_memory = pci_memory;
 158     } else {
 159         pci_memory = NULL;
 160         rom_memory = system_memory;
 161     }
 162
 163     guest_info = pc_guest_info_init(below_4g_mem_size, above_4g_mem_size);
 164
 165     guest_info->has_acpi_build = has_acpi_build;
 166     guest_info->legacy_acpi_table_size = legacy_acpi_table_size;
 167
 168     guest_info->isapc_ram_fw = !pci_enabled;
 169     guest_info->has_reserved_memory = has_reserved_memory;
 170
 171     if (smbios_defaults) {
 172         MachineClass *mc = MACHINE_GET_CLASS(machine);
 173         /* These values are guest ABI, do not change */
 174         smbios_set_defaults("QEMU", "Standard PC (i440FX + PIIX, 1996)",
 175                             mc->name, smbios_legacy_mode);
 176     }
 177
 178     /* allocate ram and load rom/bios */
 179     if (!xen_enabled()) {
 180         fw_cfg = pc_memory_init(machine, system_memory,
 181                                 below_4g_mem_size, above_4g_mem_size,
 182                                 rom_memory, &ram_memory, guest_info);
 183     } else if (machine->kernel_filename != NULL) {
 184         /* For xen HVM direct kernel boot, load linux here */
 185         fw_cfg = xen_load_linux(machine->kernel_filename,
 186                                 machine->kernel_cmdline,
 187                                 machine->initrd_filename,
 188                                 below_4g_mem_size,
 189                                 guest_info);
 190     }
 191
 192     gsi_state = g_malloc0(sizeof(*gsi_state));
 193     if (kvm_irqchip_in_kernel()) {
 194         kvm_pc_setup_irq_routing(pci_enabled);
 195         gsi = qemu_allocate_irqs(kvm_pc_gsi_handler, gsi_state,
 196                                  GSI_NUM_PINS);
 197     } else {
 198         gsi = qemu_allocate_irqs(gsi_handler, gsi_state, GSI_NUM_PINS);
 199     }
 200
 201     if (pci_enabled) {
 202         pci_bus = i440fx_init(&i440fx_state, &piix3_devfn, &isa_bus, gsi,
 203                               system_memory, system_io, machine->ram_size,
 204                               below_4g_mem_size,
 205                               above_4g_mem_size,
 206                               pci_memory, ram_memory);
 207     } else {
 208         pci_bus = NULL;
 209         i440fx_state = NULL;
 210         isa_bus = isa_bus_new(NULL, system_io);
 211         no_hpet = 1;
 212     }
 213     isa_bus_irqs(isa_bus, gsi);
 214
 215     if (kvm_irqchip_in_kernel()) {
 216         i8259 = kvm_i8259_init(isa_bus);
 217     } else if (xen_enabled()) {
 218         i8259 = xen_interrupt_controller_init();
 219     } else {
 220         cpu_irq = pc_allocate_cpu_irq();
 221         i8259 = i8259_init(isa_bus, cpu_irq[0]);
 222     }
 223
 224     for (i = 0; i < ISA_NUM_IRQS; i++) {
 225         gsi_state->i8259_irq[i] = i8259[i];
 226     }
 227     if (pci_enabled) {
 228         ioapic_init_gsi(gsi_state, "i440fx");
 229     }
 230     qdev_init_nofail(icc_bridge);
 231
 232     pc_register_ferr_irq(gsi[13]);
 233
 234     pc_vga_init(isa_bus, pci_enabled ? pci_bus : NULL);
 235
 236     /* init basic PC hardware */
 237     pc_basic_device_init(isa_bus, gsi, &rtc_state, &floppy,
 238                          !pc_machine->vmport, 0x4);
 239
 240     pc_nic_init(isa_bus, pci_bus);
 241
 242     ide_drive_get(hd, ARRAY_SIZE(hd));
 243     if (pci_enabled) {
 244         PCIDevice *dev;
 245         if (xen_enabled()) {
 246             dev = pci_piix3_xen_ide_init(pci_bus, hd, piix3_devfn + 1);
 247         } else {
 248             dev = pci_piix3_ide_init(pci_bus, hd, piix3_devfn + 1);
 249         }
 250         idebus[0] = qdev_get_child_bus(&dev->qdev, "ide.0");
 251         idebus[1] = qdev_get_child_bus(&dev->qdev, "ide.1");
 252     } else {
 253         for(i = 0; i < MAX_IDE_BUS; i++) {
 254             ISADevice *dev;
 255             char busname[] = "ide.0";
 256             dev = isa_ide_init(isa_bus, ide_iobase[i], ide_iobase2[i],
 257                                ide_irq[i],
 258                                hd[MAX_IDE_DEVS * i], hd[MAX_IDE_DEVS * i + 1]);
 259             /*
 260              * The ide bus name is ide.0 for the first bus and ide.1 for the
 261              * second one.
 262              */
 263             busname[4] = '0' + i;
 264             idebus[i] = qdev_get_child_bus(DEVICE(dev), busname);
 265         }
 266     }
 267
 268     pc_cmos_init(below_4g_mem_size, above_4g_mem_size, machine->boot_order,
 269                  floppy, idebus[0], idebus[1], rtc_state);
 270
 271     if (pci_enabled && usb_enabled(false)) {
 272         pci_create_simple(pci_bus, piix3_devfn + 2, "piix3-usb-uhci");
 273     }
 274
 275     if (pci_enabled && acpi_enabled) {
 276         DeviceState *piix4_pm;
 277         I2CBus *smbus;
 278
 279         smi_irq = qemu_allocate_irqs(pc_acpi_smi_interrupt, first_cpu, 1);
 280         /* TODO: Populate SPD eeprom data.  */
 281         smbus = piix4_pm_init(pci_bus, piix3_devfn + 3, 0xb100,
 282                               gsi[9], *smi_irq,
 283                               kvm_enabled(), fw_cfg, &piix4_pm);
 284         smbus_eeprom_init(smbus, 8, NULL, 0);
 285
 286         object_property_add_link(OBJECT(machine), PC_MACHINE_ACPI_DEVICE_PROP,
 287                                  TYPE_HOTPLUG_HANDLER,
 288                                  (Object **)&pc_machine->acpi_dev,
 289                                  object_property_allow_set_link,
 290                                  OBJ_PROP_LINK_UNREF_ON_RELEASE, &error_abort);
 291         object_property_set_link(OBJECT(machine), OBJECT(piix4_pm),
 292                                  PC_MACHINE_ACPI_DEVICE_PROP, &error_abort);
 293     }
 294
 295     if (pci_enabled) {
 296         pc_pci_device_init(pci_bus);
 297     }
 298 }
 299
 300 static void pc_init_pci(MachineState *machine)
 301 {
 302     pc_init1(machine, 1, 1);
 303 }
 304
 305 static void pc_compat_2_1(MachineState *machine)
 306 {
 307 }
 308
 309 static void pc_compat_2_0(MachineState *machine)
 310 {
 311     pc_compat_2_1(machine);
 312     /* This value depends on the actual DSDT and SSDT compiled into
 313      * the source QEMU; unfortunately it depends on the binary and
 314      * not on the machine type, so we cannot make pc-i440fx-1.7 work on
 315      * both QEMU 1.7 and QEMU 2.0.
 316      *
 317      * Large variations cause migration to fail for more than one
 318      * consecutive value of the "-smp" maxcpus option.
 319      *
 320      * For small variations of the kind caused by different iasl versions,
 321      * the 4k rounding usually leaves slack.  However, there could be still
 322      * one or two values that break.  For QEMU 1.7 and QEMU 2.0 the
 323      * slack is only ~10 bytes before one "-smp maxcpus" value breaks!
 324      *
 325      * 6652 is valid for QEMU 2.0, the right value for pc-i440fx-1.7 on
 326      * QEMU 1.7 it is 6414.  For RHEL/CentOS 7.0 it is 6418.
 327      */
 328     legacy_acpi_table_size = 6652;
 329     smbios_legacy_mode = true;
 330     has_reserved_memory = false;
 331     pc_set_legacy_acpi_data_size();
 332 }
 333
 334 static void pc_compat_1_7(MachineState *machine)
 335 {
 336     pc_compat_2_0(machine);
 337     smbios_defaults = false;
 338     gigabyte_align = false;
 339     option_rom_has_mr = true;
 340     legacy_acpi_table_size = 6414;
 341     x86_cpu_compat_disable_kvm_features(FEAT_1_ECX, CPUID_EXT_X2APIC);
 342 }
 343
 344 static void pc_compat_1_6(MachineState *machine)
 345 {
 346     pc_compat_1_7(machine);
 347     rom_file_has_mr = false;
 348     has_acpi_build = false;
 349 }
 350
 351 static void pc_compat_1_5(MachineState *machine)
 352 {
 353     pc_compat_1_6(machine);
 354 }
 355
 356 static void pc_compat_1_4(MachineState *machine)
 357 {
 358     pc_compat_1_5(machine);
 359     x86_cpu_compat_set_features("n270", FEAT_1_ECX, 0, CPUID_EXT_MOVBE);
 360     x86_cpu_compat_set_features("Westmere", FEAT_1_ECX, 0, CPUID_EXT_PCLMULQDQ);
 361 }
 362
 363 static void pc_compat_1_3(MachineState *machine)
 364 {
 365     pc_compat_1_4(machine);
 366     enable_compat_apic_id_mode();
 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_compat_disable_kvm_features(FEAT_KVM, KVM_FEATURE_PV_EOI);
 374 }
 375
 376 static void pc_init_pci_2_1(MachineState *machine)
 377 {
 378     pc_compat_2_1(machine);
 379     pc_init_pci(machine);
 380 }
 381
 382 static void pc_init_pci_2_0(MachineState *machine)
 383 {
 384     pc_compat_2_0(machine);
 385     pc_init_pci(machine);
 386 }
 387
 388 static void pc_init_pci_1_7(MachineState *machine)
 389 {
 390     pc_compat_1_7(machine);
 391     pc_init_pci(machine);
 392 }
 393
 394 static void pc_init_pci_1_6(MachineState *machine)
 395 {
 396     pc_compat_1_6(machine);
 397     pc_init_pci(machine);
 398 }
 399
 400 static void pc_init_pci_1_5(MachineState *machine)
 401 {
 402     pc_compat_1_5(machine);
 403     pc_init_pci(machine);
 404 }
 405
 406 static void pc_init_pci_1_4(MachineState *machine)
 407 {
 408     pc_compat_1_4(machine);
 409     pc_init_pci(machine);
 410 }
 411
 412 static void pc_init_pci_1_3(MachineState *machine)
 413 {
 414     pc_compat_1_3(machine);
 415     pc_init_pci(machine);
 416 }
 417
 418 /* PC machine init function for pc-0.14 to pc-1.2 */
 419 static void pc_init_pci_1_2(MachineState *machine)
 420 {
 421     pc_compat_1_2(machine);
 422     pc_init_pci(machine);
 423 }
 424
 425 /* PC init function for pc-0.10 to pc-0.13 */
 426 static void pc_init_pci_no_kvmclock(MachineState *machine)
 427 {
 428     pc_compat_1_2(machine);
 429     pc_init1(machine, 1, 0);
 430 }
 431
 432 static void pc_init_isa(MachineState *machine)
 433 {
 434     has_acpi_build = false;
 435     smbios_defaults = false;
 436     gigabyte_align = false;
 437     smbios_legacy_mode = true;
 438     has_reserved_memory = false;
 439     option_rom_has_mr = true;
 440     rom_file_has_mr = false;
 441     if (!machine->cpu_model) {
 442         machine->cpu_model = "486";
 443     }
 444     x86_cpu_compat_disable_kvm_features(FEAT_KVM, KVM_FEATURE_PV_EOI);
 445     enable_compat_apic_id_mode();
 446     pc_init1(machine, 0, 1);
 447 }
 448
 449 #ifdef CONFIG_XEN
 450 static void pc_xen_hvm_init(MachineState *machine)
 451 {
 452     PCIBus *bus;
 453
 454     pc_init_pci(machine);
 455
 456     bus = pci_find_primary_bus();
 457     if (bus != NULL) {
 458         pci_create_simple(bus, -1, "xen-platform");
 459     }
 460 }
 461 #endif
 462
 463 #define PC_I440FX_MACHINE_OPTIONS \
 464     PC_DEFAULT_MACHINE_OPTIONS, \
 465     .desc = "Standard PC (i440FX + PIIX, 1996)", \
 466     .hot_add_cpu = pc_hot_add_cpu
 467
 468 #define PC_I440FX_2_2_MACHINE_OPTIONS                           \
 469     PC_I440FX_MACHINE_OPTIONS,                                  \
 470     .default_machine_opts = "firmware=bios-256k.bin"
 471
 472 static QEMUMachine pc_i440fx_machine_v2_2 = {
 473     PC_I440FX_2_2_MACHINE_OPTIONS,
 474     .name = "pc-i440fx-2.2",
 475     .alias = "pc",
 476     .init = pc_init_pci,
 477     .is_default = 1,
 478 };
 479
 480 #define PC_I440FX_2_1_MACHINE_OPTIONS PC_I440FX_2_2_MACHINE_OPTIONS
 481
 482 static QEMUMachine pc_i440fx_machine_v2_1 = {
 483     PC_I440FX_2_1_MACHINE_OPTIONS,
 484     .name = "pc-i440fx-2.1",
 485     .init = pc_init_pci_2_1,
 486     .compat_props = (GlobalProperty[]) {
 487         PC_COMPAT_2_1,
 488         { /* end of list */ }
 489     },
 490 };
 491
 492 #define PC_I440FX_2_0_MACHINE_OPTIONS PC_I440FX_2_1_MACHINE_OPTIONS
 493
 494 static QEMUMachine pc_i440fx_machine_v2_0 = {
 495     PC_I440FX_2_0_MACHINE_OPTIONS,
 496     .name = "pc-i440fx-2.0",
 497     .init = pc_init_pci_2_0,
 498     .compat_props = (GlobalProperty[]) {
 499         PC_COMPAT_2_0,
 500         { /* end of list */ }
 501     },
 502 };
 503
 504 #define PC_I440FX_1_7_MACHINE_OPTIONS PC_I440FX_MACHINE_OPTIONS
 505
 506 static QEMUMachine pc_i440fx_machine_v1_7 = {
 507     PC_I440FX_1_7_MACHINE_OPTIONS,
 508     .name = "pc-i440fx-1.7",
 509     .init = pc_init_pci_1_7,
 510     .compat_props = (GlobalProperty[]) {
 511         PC_COMPAT_1_7,
 512         { /* end of list */ }
 513     },
 514 };
 515
 516 #define PC_I440FX_1_6_MACHINE_OPTIONS PC_I440FX_MACHINE_OPTIONS
 517
 518 static QEMUMachine pc_i440fx_machine_v1_6 = {
 519     PC_I440FX_1_6_MACHINE_OPTIONS,
 520     .name = "pc-i440fx-1.6",
 521     .init = pc_init_pci_1_6,
 522     .compat_props = (GlobalProperty[]) {
 523         PC_COMPAT_1_6,
 524         { /* end of list */ }
 525     },
 526 };
 527
 528 static QEMUMachine pc_i440fx_machine_v1_5 = {
 529     PC_I440FX_1_6_MACHINE_OPTIONS,
 530     .name = "pc-i440fx-1.5",
 531     .init = pc_init_pci_1_5,
 532     .compat_props = (GlobalProperty[]) {
 533         PC_COMPAT_1_5,
 534         { /* end of list */ }
 535     },
 536 };
 537
 538 #define PC_I440FX_1_4_MACHINE_OPTIONS \
 539     PC_I440FX_1_6_MACHINE_OPTIONS, \
 540     .hot_add_cpu = NULL
 541
 542 static QEMUMachine pc_i440fx_machine_v1_4 = {
 543     PC_I440FX_1_4_MACHINE_OPTIONS,
 544     .name = "pc-i440fx-1.4",
 545     .init = pc_init_pci_1_4,
 546     .compat_props = (GlobalProperty[]) {
 547         PC_COMPAT_1_4,
 548         { /* end of list */ }
 549     },
 550 };
 551
 552 #define PC_COMPAT_1_3 \
 553         PC_COMPAT_1_4, \
 554         {\
 555             .driver   = "usb-tablet",\
 556             .property = "usb_version",\
 557             .value    = stringify(1),\
 558         },{\
 559             .driver   = "virtio-net-pci",\
 560             .property = "ctrl_mac_addr",\
 561             .value    = "off",      \
 562         },{ \
 563             .driver   = "virtio-net-pci", \
 564             .property = "mq", \
 565             .value    = "off", \
 566         }, {\
 567             .driver   = "e1000",\
 568             .property = "autonegotiation",\
 569             .value    = "off",\
 570         }
 571
 572 static QEMUMachine pc_machine_v1_3 = {
 573     PC_I440FX_1_4_MACHINE_OPTIONS,
 574     .name = "pc-1.3",
 575     .init = pc_init_pci_1_3,
 576     .compat_props = (GlobalProperty[]) {
 577         PC_COMPAT_1_3,
 578         { /* end of list */ }
 579     },
 580 };
 581
 582 #define PC_COMPAT_1_2 \
 583         PC_COMPAT_1_3,\
 584         {\
 585             .driver   = "nec-usb-xhci",\
 586             .property = "msi",\
 587             .value    = "off",\
 588         },{\
 589             .driver   = "nec-usb-xhci",\
 590             .property = "msix",\
 591             .value    = "off",\
 592         },{\
 593             .driver   = "ivshmem",\
 594             .property = "use64",\
 595             .value    = "0",\
 596         },{\
 597             .driver   = "qxl",\
 598             .property = "revision",\
 599             .value    = stringify(3),\
 600         },{\
 601             .driver   = "qxl-vga",\
 602             .property = "revision",\
 603             .value    = stringify(3),\
 604         },{\
 605             .driver   = "VGA",\
 606             .property = "mmio",\
 607             .value    = "off",\
 608         }
 609
 610 #define PC_I440FX_1_2_MACHINE_OPTIONS \
 611     PC_I440FX_1_4_MACHINE_OPTIONS, \
 612     .init = pc_init_pci_1_2
 613
 614 static QEMUMachine pc_machine_v1_2 = {
 615     PC_I440FX_1_2_MACHINE_OPTIONS,
 616     .name = "pc-1.2",
 617     .compat_props = (GlobalProperty[]) {
 618         PC_COMPAT_1_2,
 619         { /* end of list */ }
 620     },
 621 };
 622
 623 #define PC_COMPAT_1_1 \
 624         PC_COMPAT_1_2,\
 625         {\
 626             .driver   = "virtio-scsi-pci",\
 627             .property = "hotplug",\
 628             .value    = "off",\
 629         },{\
 630             .driver   = "virtio-scsi-pci",\
 631             .property = "param_change",\
 632             .value    = "off",\
 633         },{\
 634             .driver   = "VGA",\
 635             .property = "vgamem_mb",\
 636             .value    = stringify(8),\
 637         },{\
 638             .driver   = "vmware-svga",\
 639             .property = "vgamem_mb",\
 640             .value    = stringify(8),\
 641         },{\
 642             .driver   = "qxl-vga",\
 643             .property = "vgamem_mb",\
 644             .value    = stringify(8),\
 645         },{\
 646             .driver   = "qxl",\
 647             .property = "vgamem_mb",\
 648             .value    = stringify(8),\
 649         },{\
 650             .driver   = "virtio-blk-pci",\
 651             .property = "config-wce",\
 652             .value    = "off",\
 653         }
 654
 655 static QEMUMachine pc_machine_v1_1 = {
 656     PC_I440FX_1_2_MACHINE_OPTIONS,
 657     .name = "pc-1.1",
 658     .compat_props = (GlobalProperty[]) {
 659         PC_COMPAT_1_1,
 660         { /* end of list */ }
 661     },
 662 };
 663
 664 #define PC_COMPAT_1_0 \
 665         PC_COMPAT_1_1,\
 666         {\
 667             .driver   = TYPE_ISA_FDC,\
 668             .property = "check_media_rate",\
 669             .value    = "off",\
 670         }, {\
 671             .driver   = "virtio-balloon-pci",\
 672             .property = "class",\
 673             .value    = stringify(PCI_CLASS_MEMORY_RAM),\
 674         },{\
 675             .driver   = "apic",\
 676             .property = "vapic",\
 677             .value    = "off",\
 678         },{\
 679             .driver   = TYPE_USB_DEVICE,\
 680             .property = "full-path",\
 681             .value    = "no",\
 682         }
 683
 684 static QEMUMachine pc_machine_v1_0 = {
 685     PC_I440FX_1_2_MACHINE_OPTIONS,
 686     .name = "pc-1.0",
 687     .compat_props = (GlobalProperty[]) {
 688         PC_COMPAT_1_0,
 689         { /* end of list */ }
 690     },
 691     .hw_version = "1.0",
 692 };
 693
 694 #define PC_COMPAT_0_15 \
 695         PC_COMPAT_1_0
 696
 697 static QEMUMachine pc_machine_v0_15 = {
 698     PC_I440FX_1_2_MACHINE_OPTIONS,
 699     .name = "pc-0.15",
 700     .compat_props = (GlobalProperty[]) {
 701         PC_COMPAT_0_15,
 702         { /* end of list */ }
 703     },
 704     .hw_version = "0.15",
 705 };
 706
 707 #define PC_COMPAT_0_14 \
 708         PC_COMPAT_0_15,\
 709         {\
 710             .driver   = "virtio-blk-pci",\
 711             .property = "event_idx",\
 712             .value    = "off",\
 713         },{\
 714             .driver   = "virtio-serial-pci",\
 715             .property = "event_idx",\
 716             .value    = "off",\
 717         },{\
 718             .driver   = "virtio-net-pci",\
 719             .property = "event_idx",\
 720             .value    = "off",\
 721         },{\
 722             .driver   = "virtio-balloon-pci",\
 723             .property = "event_idx",\
 724             .value    = "off",\
 725         }
 726
 727 static QEMUMachine pc_machine_v0_14 = {
 728     PC_I440FX_1_2_MACHINE_OPTIONS,
 729     .name = "pc-0.14",
 730     .compat_props = (GlobalProperty[]) {
 731         PC_COMPAT_0_14,
 732         {
 733             .driver   = "qxl",
 734             .property = "revision",
 735             .value    = stringify(2),
 736         },{
 737             .driver   = "qxl-vga",
 738             .property = "revision",
 739             .value    = stringify(2),
 740         },
 741         { /* end of list */ }
 742     },
 743     .hw_version = "0.14",
 744 };
 745
 746 #define PC_COMPAT_0_13 \
 747         PC_COMPAT_0_14,\
 748         {\
 749             .driver   = TYPE_PCI_DEVICE,\
 750             .property = "command_serr_enable",\
 751             .value    = "off",\
 752         },{\
 753             .driver   = "AC97",\
 754             .property = "use_broken_id",\
 755             .value    = stringify(1),\
 756         }
 757
 758 #define PC_I440FX_0_13_MACHINE_OPTIONS \
 759     PC_I440FX_1_2_MACHINE_OPTIONS, \
 760     .init = pc_init_pci_no_kvmclock
 761
 762 static QEMUMachine pc_machine_v0_13 = {
 763     PC_I440FX_0_13_MACHINE_OPTIONS,
 764     .name = "pc-0.13",
 765     .compat_props = (GlobalProperty[]) {
 766         PC_COMPAT_0_13,
 767         {
 768             .driver   = "virtio-9p-pci",
 769             .property = "vectors",
 770             .value    = stringify(0),
 771         },{
 772             .driver   = "VGA",
 773             .property = "rombar",
 774             .value    = stringify(0),
 775         },{
 776             .driver   = "vmware-svga",
 777             .property = "rombar",
 778             .value    = stringify(0),
 779         },
 780         { /* end of list */ }
 781     },
 782     .hw_version = "0.13",
 783 };
 784
 785 #define PC_COMPAT_0_12 \
 786         PC_COMPAT_0_13,\
 787         {\
 788             .driver   = "virtio-serial-pci",\
 789             .property = "max_ports",\
 790             .value    = stringify(1),\
 791         },{\
 792             .driver   = "virtio-serial-pci",\
 793             .property = "vectors",\
 794             .value    = stringify(0),\
 795         },{\
 796             .driver   = "usb-mouse",\
 797             .property = "serial",\
 798             .value    = "1",\
 799         },{\
 800             .driver   = "usb-tablet",\
 801             .property = "serial",\
 802             .value    = "1",\
 803         },{\
 804             .driver   = "usb-kbd",\
 805             .property = "serial",\
 806             .value    = "1",\
 807         }
 808
 809 static QEMUMachine pc_machine_v0_12 = {
 810     PC_I440FX_0_13_MACHINE_OPTIONS,
 811     .name = "pc-0.12",
 812     .compat_props = (GlobalProperty[]) {
 813         PC_COMPAT_0_12,
 814         {
 815             .driver   = "VGA",
 816             .property = "rombar",
 817             .value    = stringify(0),
 818         },{
 819             .driver   = "vmware-svga",
 820             .property = "rombar",
 821             .value    = stringify(0),
 822         },
 823         { /* end of list */ }
 824     },
 825     .hw_version = "0.12",
 826 };
 827
 828 #define PC_COMPAT_0_11 \
 829         PC_COMPAT_0_12,\
 830         {\
 831             .driver   = "virtio-blk-pci",\
 832             .property = "vectors",\
 833             .value    = stringify(0),\
 834         },{\
 835             .driver   = TYPE_PCI_DEVICE,\
 836             .property = "rombar",\
 837             .value    = stringify(0),\
 838         }
 839
 840 static QEMUMachine pc_machine_v0_11 = {
 841     PC_I440FX_0_13_MACHINE_OPTIONS,
 842     .name = "pc-0.11",
 843     .compat_props = (GlobalProperty[]) {
 844         PC_COMPAT_0_11,
 845         {
 846             .driver   = "ide-drive",
 847             .property = "ver",
 848             .value    = "0.11",
 849         },{
 850             .driver   = "scsi-disk",
 851             .property = "ver",
 852             .value    = "0.11",
 853         },
 854         { /* end of list */ }
 855     },
 856     .hw_version = "0.11",
 857 };
 858
 859 static QEMUMachine pc_machine_v0_10 = {
 860     PC_I440FX_0_13_MACHINE_OPTIONS,
 861     .name = "pc-0.10",
 862     .compat_props = (GlobalProperty[]) {
 863         PC_COMPAT_0_11,
 864         {
 865             .driver   = "virtio-blk-pci",
 866             .property = "class",
 867             .value    = stringify(PCI_CLASS_STORAGE_OTHER),
 868         },{
 869             .driver   = "virtio-serial-pci",
 870             .property = "class",
 871             .value    = stringify(PCI_CLASS_DISPLAY_OTHER),
 872         },{
 873             .driver   = "virtio-net-pci",
 874             .property = "vectors",
 875             .value    = stringify(0),
 876         },{
 877             .driver   = "ide-drive",
 878             .property = "ver",
 879             .value    = "0.10",
 880         },{
 881             .driver   = "scsi-disk",
 882             .property = "ver",
 883             .value    = "0.10",
 884         },
 885         { /* end of list */ }
 886     },
 887     .hw_version = "0.10",
 888 };
 889
 890 static QEMUMachine isapc_machine = {
 891     PC_COMMON_MACHINE_OPTIONS,
 892     .name = "isapc",
 893     .desc = "ISA-only PC",
 894     .init = pc_init_isa,
 895     .max_cpus = 1,
 896     .compat_props = (GlobalProperty[]) {
 897         { /* end of list */ }
 898     },
 899 };
 900
 901 #ifdef CONFIG_XEN
 902 static QEMUMachine xenfv_machine = {
 903     PC_COMMON_MACHINE_OPTIONS,
 904     .name = "xenfv",
 905     .desc = "Xen Fully-virtualized PC",
 906     .init = pc_xen_hvm_init,
 907     .max_cpus = HVM_MAX_VCPUS,
 908     .default_machine_opts = "accel=xen",
 909     .hot_add_cpu = pc_hot_add_cpu,
 910     .compat_props = (GlobalProperty[]) {
 911         /* xenfv has no fwcfg and so does not load acpi from QEMU.
 912          * as such new acpi features don't work.
 913          */
 914         {
 915             .driver   = "PIIX4_PM",
 916             .property = "acpi-pci-hotplug-with-bridge-support",
 917             .value    = "off",
 918         },
 919         { /* end of list */ }
 920     },
 921 };
 922 #endif
 923
 924 static void pc_machine_init(void)
 925 {
 926     qemu_register_pc_machine(&pc_i440fx_machine_v2_2);
 927     qemu_register_pc_machine(&pc_i440fx_machine_v2_1);
 928     qemu_register_pc_machine(&pc_i440fx_machine_v2_0);
 929     qemu_register_pc_machine(&pc_i440fx_machine_v1_7);
 930     qemu_register_pc_machine(&pc_i440fx_machine_v1_6);
 931     qemu_register_pc_machine(&pc_i440fx_machine_v1_5);
 932     qemu_register_pc_machine(&pc_i440fx_machine_v1_4);
 933     qemu_register_pc_machine(&pc_machine_v1_3);
 934     qemu_register_pc_machine(&pc_machine_v1_2);
 935     qemu_register_pc_machine(&pc_machine_v1_1);
 936     qemu_register_pc_machine(&pc_machine_v1_0);
 937     qemu_register_pc_machine(&pc_machine_v0_15);
 938     qemu_register_pc_machine(&pc_machine_v0_14);
 939     qemu_register_pc_machine(&pc_machine_v0_13);
 940     qemu_register_pc_machine(&pc_machine_v0_12);
 941     qemu_register_pc_machine(&pc_machine_v0_11);
 942     qemu_register_pc_machine(&pc_machine_v0_10);
 943     qemu_register_pc_machine(&isapc_machine);
 944 #ifdef CONFIG_XEN
 945     qemu_register_pc_machine(&xenfv_machine);
 946 #endif
 947 }
 948
 949 machine_init(pc_machine_init);