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/blockdev.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, xen_enabled(),
 238         0x4);
 239
 240     pc_nic_init(isa_bus, pci_bus);
 241
 242     ide_drive_get(hd, MAX_IDE_BUS);
 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_0(MachineState *machine)
 306 {
 307     /* This value depends on the actual DSDT and SSDT compiled into
 308      * the source QEMU; unfortunately it depends on the binary and
 309      * not on the machine type, so we cannot make pc-i440fx-1.7 work on
 310      * both QEMU 1.7 and QEMU 2.0.
 311      *
 312      * Large variations cause migration to fail for more than one
 313      * consecutive value of the "-smp" maxcpus option.
 314      *
 315      * For small variations of the kind caused by different iasl versions,
 316      * the 4k rounding usually leaves slack.  However, there could be still
 317      * one or two values that break.  For QEMU 1.7 and QEMU 2.0 the
 318      * slack is only ~10 bytes before one "-smp maxcpus" value breaks!
 319      *
 320      * 6652 is valid for QEMU 2.0, the right value for pc-i440fx-1.7 on
 321      * QEMU 1.7 it is 6414.  For RHEL/CentOS 7.0 it is 6418.
 322      */
 323     legacy_acpi_table_size = 6652;
 324     smbios_legacy_mode = true;
 325     has_reserved_memory = false;
 326     pc_set_legacy_acpi_data_size();
 327 }
 328
 329 static void pc_compat_1_7(MachineState *machine)
 330 {
 331     pc_compat_2_0(machine);
 332     smbios_defaults = false;
 333     gigabyte_align = false;
 334     option_rom_has_mr = true;
 335     legacy_acpi_table_size = 6414;
 336     x86_cpu_compat_disable_kvm_features(FEAT_1_ECX, CPUID_EXT_X2APIC);
 337 }
 338
 339 static void pc_compat_1_6(MachineState *machine)
 340 {
 341     pc_compat_1_7(machine);
 342     rom_file_has_mr = false;
 343     has_acpi_build = false;
 344 }
 345
 346 static void pc_compat_1_5(MachineState *machine)
 347 {
 348     pc_compat_1_6(machine);
 349 }
 350
 351 static void pc_compat_1_4(MachineState *machine)
 352 {
 353     pc_compat_1_5(machine);
 354     x86_cpu_compat_set_features("n270", FEAT_1_ECX, 0, CPUID_EXT_MOVBE);
 355     x86_cpu_compat_set_features("Westmere", FEAT_1_ECX, 0, CPUID_EXT_PCLMULQDQ);
 356 }
 357
 358 static void pc_compat_1_3(MachineState *machine)
 359 {
 360     pc_compat_1_4(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_compat_disable_kvm_features(FEAT_KVM, KVM_FEATURE_PV_EOI);
 369 }
 370
 371 static void pc_init_pci_2_0(MachineState *machine)
 372 {
 373     pc_compat_2_0(machine);
 374     pc_init_pci(machine);
 375 }
 376
 377 static void pc_init_pci_1_7(MachineState *machine)
 378 {
 379     pc_compat_1_7(machine);
 380     pc_init_pci(machine);
 381 }
 382
 383 static void pc_init_pci_1_6(MachineState *machine)
 384 {
 385     pc_compat_1_6(machine);
 386     pc_init_pci(machine);
 387 }
 388
 389 static void pc_init_pci_1_5(MachineState *machine)
 390 {
 391     pc_compat_1_5(machine);
 392     pc_init_pci(machine);
 393 }
 394
 395 static void pc_init_pci_1_4(MachineState *machine)
 396 {
 397     pc_compat_1_4(machine);
 398     pc_init_pci(machine);
 399 }
 400
 401 static void pc_init_pci_1_3(MachineState *machine)
 402 {
 403     pc_compat_1_3(machine);
 404     pc_init_pci(machine);
 405 }
 406
 407 /* PC machine init function for pc-0.14 to pc-1.2 */
 408 static void pc_init_pci_1_2(MachineState *machine)
 409 {
 410     pc_compat_1_2(machine);
 411     pc_init_pci(machine);
 412 }
 413
 414 /* PC init function for pc-0.10 to pc-0.13 */
 415 static void pc_init_pci_no_kvmclock(MachineState *machine)
 416 {
 417     pc_compat_1_2(machine);
 418     pc_init1(machine, 1, 0);
 419 }
 420
 421 static void pc_init_isa(MachineState *machine)
 422 {
 423     has_acpi_build = false;
 424     smbios_defaults = false;
 425     gigabyte_align = false;
 426     smbios_legacy_mode = true;
 427     has_reserved_memory = false;
 428     option_rom_has_mr = true;
 429     rom_file_has_mr = false;
 430     if (!machine->cpu_model) {
 431         machine->cpu_model = "486";
 432     }
 433     x86_cpu_compat_disable_kvm_features(FEAT_KVM, KVM_FEATURE_PV_EOI);
 434     enable_compat_apic_id_mode();
 435     pc_init1(machine, 0, 1);
 436 }
 437
 438 #ifdef CONFIG_XEN
 439 static void pc_xen_hvm_init(MachineState *machine)
 440 {
 441     PCIBus *bus;
 442
 443     pc_init_pci(machine);
 444
 445     bus = pci_find_primary_bus();
 446     if (bus != NULL) {
 447         pci_create_simple(bus, -1, "xen-platform");
 448     }
 449 }
 450 #endif
 451
 452 #define PC_I440FX_MACHINE_OPTIONS \
 453     PC_DEFAULT_MACHINE_OPTIONS, \
 454     .desc = "Standard PC (i440FX + PIIX, 1996)", \
 455     .hot_add_cpu = pc_hot_add_cpu
 456
 457 #define PC_I440FX_2_2_MACHINE_OPTIONS                           \
 458     PC_I440FX_MACHINE_OPTIONS,                                  \
 459     .default_machine_opts = "firmware=bios-256k.bin"
 460
 461 static QEMUMachine pc_i440fx_machine_v2_2 = {
 462     PC_I440FX_2_2_MACHINE_OPTIONS,
 463     .name = "pc-i440fx-2.2",
 464     .alias = "pc",
 465     .init = pc_init_pci,
 466     .is_default = 1,
 467 };
 468
 469 #define PC_I440FX_2_1_MACHINE_OPTIONS PC_I440FX_2_2_MACHINE_OPTIONS
 470
 471 static QEMUMachine pc_i440fx_machine_v2_1 = {
 472     PC_I440FX_2_1_MACHINE_OPTIONS,
 473     .name = "pc-i440fx-2.1",
 474     .init = pc_init_pci,
 475     .compat_props = (GlobalProperty[]) {
 476         PC_COMPAT_2_1,
 477         { /* end of list */ }
 478     },
 479 };
 480
 481 #define PC_I440FX_2_0_MACHINE_OPTIONS PC_I440FX_2_1_MACHINE_OPTIONS
 482
 483 static QEMUMachine pc_i440fx_machine_v2_0 = {
 484     PC_I440FX_2_0_MACHINE_OPTIONS,
 485     .name = "pc-i440fx-2.0",
 486     .init = pc_init_pci_2_0,
 487     .compat_props = (GlobalProperty[]) {
 488         PC_COMPAT_2_0,
 489         { /* end of list */ }
 490     },
 491 };
 492
 493 #define PC_I440FX_1_7_MACHINE_OPTIONS PC_I440FX_MACHINE_OPTIONS
 494
 495 static QEMUMachine pc_i440fx_machine_v1_7 = {
 496     PC_I440FX_1_7_MACHINE_OPTIONS,
 497     .name = "pc-i440fx-1.7",
 498     .init = pc_init_pci_1_7,
 499     .compat_props = (GlobalProperty[]) {
 500         PC_COMPAT_1_7,
 501         { /* end of list */ }
 502     },
 503 };
 504
 505 #define PC_I440FX_1_6_MACHINE_OPTIONS PC_I440FX_MACHINE_OPTIONS
 506
 507 static QEMUMachine pc_i440fx_machine_v1_6 = {
 508     PC_I440FX_1_6_MACHINE_OPTIONS,
 509     .name = "pc-i440fx-1.6",
 510     .init = pc_init_pci_1_6,
 511     .compat_props = (GlobalProperty[]) {
 512         PC_COMPAT_1_6,
 513         { /* end of list */ }
 514     },
 515 };
 516
 517 static QEMUMachine pc_i440fx_machine_v1_5 = {
 518     PC_I440FX_1_6_MACHINE_OPTIONS,
 519     .name = "pc-i440fx-1.5",
 520     .init = pc_init_pci_1_5,
 521     .compat_props = (GlobalProperty[]) {
 522         PC_COMPAT_1_5,
 523         { /* end of list */ }
 524     },
 525 };
 526
 527 #define PC_I440FX_1_4_MACHINE_OPTIONS \
 528     PC_I440FX_1_6_MACHINE_OPTIONS, \
 529     .hot_add_cpu = NULL
 530
 531 static QEMUMachine pc_i440fx_machine_v1_4 = {
 532     PC_I440FX_1_4_MACHINE_OPTIONS,
 533     .name = "pc-i440fx-1.4",
 534     .init = pc_init_pci_1_4,
 535     .compat_props = (GlobalProperty[]) {
 536         PC_COMPAT_1_4,
 537         { /* end of list */ }
 538     },
 539 };
 540
 541 #define PC_COMPAT_1_3 \
 542         PC_COMPAT_1_4, \
 543         {\
 544             .driver   = "usb-tablet",\
 545             .property = "usb_version",\
 546             .value    = stringify(1),\
 547         },{\
 548             .driver   = "virtio-net-pci",\
 549             .property = "ctrl_mac_addr",\
 550             .value    = "off",      \
 551         },{ \
 552             .driver   = "virtio-net-pci", \
 553             .property = "mq", \
 554             .value    = "off", \
 555         }, {\
 556             .driver   = "e1000",\
 557             .property = "autonegotiation",\
 558             .value    = "off",\
 559         }
 560
 561 static QEMUMachine pc_machine_v1_3 = {
 562     PC_I440FX_1_4_MACHINE_OPTIONS,
 563     .name = "pc-1.3",
 564     .init = pc_init_pci_1_3,
 565     .compat_props = (GlobalProperty[]) {
 566         PC_COMPAT_1_3,
 567         { /* end of list */ }
 568     },
 569 };
 570
 571 #define PC_COMPAT_1_2 \
 572         PC_COMPAT_1_3,\
 573         {\
 574             .driver   = "nec-usb-xhci",\
 575             .property = "msi",\
 576             .value    = "off",\
 577         },{\
 578             .driver   = "nec-usb-xhci",\
 579             .property = "msix",\
 580             .value    = "off",\
 581         },{\
 582             .driver   = "ivshmem",\
 583             .property = "use64",\
 584             .value    = "0",\
 585         },{\
 586             .driver   = "qxl",\
 587             .property = "revision",\
 588             .value    = stringify(3),\
 589         },{\
 590             .driver   = "qxl-vga",\
 591             .property = "revision",\
 592             .value    = stringify(3),\
 593         },{\
 594             .driver   = "VGA",\
 595             .property = "mmio",\
 596             .value    = "off",\
 597         }
 598
 599 #define PC_I440FX_1_2_MACHINE_OPTIONS \
 600     PC_I440FX_1_4_MACHINE_OPTIONS, \
 601     .init = pc_init_pci_1_2
 602
 603 static QEMUMachine pc_machine_v1_2 = {
 604     PC_I440FX_1_2_MACHINE_OPTIONS,
 605     .name = "pc-1.2",
 606     .compat_props = (GlobalProperty[]) {
 607         PC_COMPAT_1_2,
 608         { /* end of list */ }
 609     },
 610 };
 611
 612 #define PC_COMPAT_1_1 \
 613         PC_COMPAT_1_2,\
 614         {\
 615             .driver   = "virtio-scsi-pci",\
 616             .property = "hotplug",\
 617             .value    = "off",\
 618         },{\
 619             .driver   = "virtio-scsi-pci",\
 620             .property = "param_change",\
 621             .value    = "off",\
 622         },{\
 623             .driver   = "VGA",\
 624             .property = "vgamem_mb",\
 625             .value    = stringify(8),\
 626         },{\
 627             .driver   = "vmware-svga",\
 628             .property = "vgamem_mb",\
 629             .value    = stringify(8),\
 630         },{\
 631             .driver   = "qxl-vga",\
 632             .property = "vgamem_mb",\
 633             .value    = stringify(8),\
 634         },{\
 635             .driver   = "qxl",\
 636             .property = "vgamem_mb",\
 637             .value    = stringify(8),\
 638         },{\
 639             .driver   = "virtio-blk-pci",\
 640             .property = "config-wce",\
 641             .value    = "off",\
 642         }
 643
 644 static QEMUMachine pc_machine_v1_1 = {
 645     PC_I440FX_1_2_MACHINE_OPTIONS,
 646     .name = "pc-1.1",
 647     .compat_props = (GlobalProperty[]) {
 648         PC_COMPAT_1_1,
 649         { /* end of list */ }
 650     },
 651 };
 652
 653 #define PC_COMPAT_1_0 \
 654         PC_COMPAT_1_1,\
 655         {\
 656             .driver   = TYPE_ISA_FDC,\
 657             .property = "check_media_rate",\
 658             .value    = "off",\
 659         }, {\
 660             .driver   = "virtio-balloon-pci",\
 661             .property = "class",\
 662             .value    = stringify(PCI_CLASS_MEMORY_RAM),\
 663         },{\
 664             .driver   = "apic",\
 665             .property = "vapic",\
 666             .value    = "off",\
 667         },{\
 668             .driver   = TYPE_USB_DEVICE,\
 669             .property = "full-path",\
 670             .value    = "no",\
 671         }
 672
 673 static QEMUMachine pc_machine_v1_0 = {
 674     PC_I440FX_1_2_MACHINE_OPTIONS,
 675     .name = "pc-1.0",
 676     .compat_props = (GlobalProperty[]) {
 677         PC_COMPAT_1_0,
 678         { /* end of list */ }
 679     },
 680     .hw_version = "1.0",
 681 };
 682
 683 #define PC_COMPAT_0_15 \
 684         PC_COMPAT_1_0
 685
 686 static QEMUMachine pc_machine_v0_15 = {
 687     PC_I440FX_1_2_MACHINE_OPTIONS,
 688     .name = "pc-0.15",
 689     .compat_props = (GlobalProperty[]) {
 690         PC_COMPAT_0_15,
 691         { /* end of list */ }
 692     },
 693     .hw_version = "0.15",
 694 };
 695
 696 #define PC_COMPAT_0_14 \
 697         PC_COMPAT_0_15,\
 698         {\
 699             .driver   = "virtio-blk-pci",\
 700             .property = "event_idx",\
 701             .value    = "off",\
 702         },{\
 703             .driver   = "virtio-serial-pci",\
 704             .property = "event_idx",\
 705             .value    = "off",\
 706         },{\
 707             .driver   = "virtio-net-pci",\
 708             .property = "event_idx",\
 709             .value    = "off",\
 710         },{\
 711             .driver   = "virtio-balloon-pci",\
 712             .property = "event_idx",\
 713             .value    = "off",\
 714         }
 715
 716 static QEMUMachine pc_machine_v0_14 = {
 717     PC_I440FX_1_2_MACHINE_OPTIONS,
 718     .name = "pc-0.14",
 719     .compat_props = (GlobalProperty[]) {
 720         PC_COMPAT_0_14,
 721         {
 722             .driver   = "qxl",
 723             .property = "revision",
 724             .value    = stringify(2),
 725         },{
 726             .driver   = "qxl-vga",
 727             .property = "revision",
 728             .value    = stringify(2),
 729         },
 730         { /* end of list */ }
 731     },
 732     .hw_version = "0.14",
 733 };
 734
 735 #define PC_COMPAT_0_13 \
 736         PC_COMPAT_0_14,\
 737         {\
 738             .driver   = TYPE_PCI_DEVICE,\
 739             .property = "command_serr_enable",\
 740             .value    = "off",\
 741         },{\
 742             .driver   = "AC97",\
 743             .property = "use_broken_id",\
 744             .value    = stringify(1),\
 745         }
 746
 747 #define PC_I440FX_0_13_MACHINE_OPTIONS \
 748     PC_I440FX_1_2_MACHINE_OPTIONS, \
 749     .init = pc_init_pci_no_kvmclock
 750
 751 static QEMUMachine pc_machine_v0_13 = {
 752     PC_I440FX_0_13_MACHINE_OPTIONS,
 753     .name = "pc-0.13",
 754     .compat_props = (GlobalProperty[]) {
 755         PC_COMPAT_0_13,
 756         {
 757             .driver   = "virtio-9p-pci",
 758             .property = "vectors",
 759             .value    = stringify(0),
 760         },{
 761             .driver   = "VGA",
 762             .property = "rombar",
 763             .value    = stringify(0),
 764         },{
 765             .driver   = "vmware-svga",
 766             .property = "rombar",
 767             .value    = stringify(0),
 768         },
 769         { /* end of list */ }
 770     },
 771     .hw_version = "0.13",
 772 };
 773
 774 #define PC_COMPAT_0_12 \
 775         PC_COMPAT_0_13,\
 776         {\
 777             .driver   = "virtio-serial-pci",\
 778             .property = "max_ports",\
 779             .value    = stringify(1),\
 780         },{\
 781             .driver   = "virtio-serial-pci",\
 782             .property = "vectors",\
 783             .value    = stringify(0),\
 784         },{\
 785             .driver   = "usb-mouse",\
 786             .property = "serial",\
 787             .value    = "1",\
 788         },{\
 789             .driver   = "usb-tablet",\
 790             .property = "serial",\
 791             .value    = "1",\
 792         },{\
 793             .driver   = "usb-kbd",\
 794             .property = "serial",\
 795             .value    = "1",\
 796         }
 797
 798 static QEMUMachine pc_machine_v0_12 = {
 799     PC_I440FX_0_13_MACHINE_OPTIONS,
 800     .name = "pc-0.12",
 801     .compat_props = (GlobalProperty[]) {
 802         PC_COMPAT_0_12,
 803         {
 804             .driver   = "VGA",
 805             .property = "rombar",
 806             .value    = stringify(0),
 807         },{
 808             .driver   = "vmware-svga",
 809             .property = "rombar",
 810             .value    = stringify(0),
 811         },
 812         { /* end of list */ }
 813     },
 814     .hw_version = "0.12",
 815 };
 816
 817 #define PC_COMPAT_0_11 \
 818         PC_COMPAT_0_12,\
 819         {\
 820             .driver   = "virtio-blk-pci",\
 821             .property = "vectors",\
 822             .value    = stringify(0),\
 823         },{\
 824             .driver   = TYPE_PCI_DEVICE,\
 825             .property = "rombar",\
 826             .value    = stringify(0),\
 827         }
 828
 829 static QEMUMachine pc_machine_v0_11 = {
 830     PC_I440FX_0_13_MACHINE_OPTIONS,
 831     .name = "pc-0.11",
 832     .compat_props = (GlobalProperty[]) {
 833         PC_COMPAT_0_11,
 834         {
 835             .driver   = "ide-drive",
 836             .property = "ver",
 837             .value    = "0.11",
 838         },{
 839             .driver   = "scsi-disk",
 840             .property = "ver",
 841             .value    = "0.11",
 842         },
 843         { /* end of list */ }
 844     },
 845     .hw_version = "0.11",
 846 };
 847
 848 static QEMUMachine pc_machine_v0_10 = {
 849     PC_I440FX_0_13_MACHINE_OPTIONS,
 850     .name = "pc-0.10",
 851     .compat_props = (GlobalProperty[]) {
 852         PC_COMPAT_0_11,
 853         {
 854             .driver   = "virtio-blk-pci",
 855             .property = "class",
 856             .value    = stringify(PCI_CLASS_STORAGE_OTHER),
 857         },{
 858             .driver   = "virtio-serial-pci",
 859             .property = "class",
 860             .value    = stringify(PCI_CLASS_DISPLAY_OTHER),
 861         },{
 862             .driver   = "virtio-net-pci",
 863             .property = "vectors",
 864             .value    = stringify(0),
 865         },{
 866             .driver   = "ide-drive",
 867             .property = "ver",
 868             .value    = "0.10",
 869         },{
 870             .driver   = "scsi-disk",
 871             .property = "ver",
 872             .value    = "0.10",
 873         },
 874         { /* end of list */ }
 875     },
 876     .hw_version = "0.10",
 877 };
 878
 879 static QEMUMachine isapc_machine = {
 880     PC_COMMON_MACHINE_OPTIONS,
 881     .name = "isapc",
 882     .desc = "ISA-only PC",
 883     .init = pc_init_isa,
 884     .max_cpus = 1,
 885     .compat_props = (GlobalProperty[]) {
 886         { /* end of list */ }
 887     },
 888 };
 889
 890 #ifdef CONFIG_XEN
 891 static QEMUMachine xenfv_machine = {
 892     PC_COMMON_MACHINE_OPTIONS,
 893     .name = "xenfv",
 894     .desc = "Xen Fully-virtualized PC",
 895     .init = pc_xen_hvm_init,
 896     .max_cpus = HVM_MAX_VCPUS,
 897     .default_machine_opts = "accel=xen",
 898     .hot_add_cpu = pc_hot_add_cpu,
 899     .compat_props = (GlobalProperty[]) {
 900         /* xenfv has no fwcfg and so does not load acpi from QEMU.
 901          * as such new acpi features don't work.
 902          */
 903         {
 904             .driver   = "PIIX4_PM",
 905             .property = "acpi-pci-hotplug-with-bridge-support",
 906             .value    = "off",
 907         },
 908         { /* end of list */ }
 909     },
 910 };
 911 #endif
 912
 913 static void pc_machine_init(void)
 914 {
 915     qemu_register_pc_machine(&pc_i440fx_machine_v2_2);
 916     qemu_register_pc_machine(&pc_i440fx_machine_v2_1);
 917     qemu_register_pc_machine(&pc_i440fx_machine_v2_0);
 918     qemu_register_pc_machine(&pc_i440fx_machine_v1_7);
 919     qemu_register_pc_machine(&pc_i440fx_machine_v1_6);
 920     qemu_register_pc_machine(&pc_i440fx_machine_v1_5);
 921     qemu_register_pc_machine(&pc_i440fx_machine_v1_4);
 922     qemu_register_pc_machine(&pc_machine_v1_3);
 923     qemu_register_pc_machine(&pc_machine_v1_2);
 924     qemu_register_pc_machine(&pc_machine_v1_1);
 925     qemu_register_pc_machine(&pc_machine_v1_0);
 926     qemu_register_pc_machine(&pc_machine_v0_15);
 927     qemu_register_pc_machine(&pc_machine_v0_14);
 928     qemu_register_pc_machine(&pc_machine_v0_13);
 929     qemu_register_pc_machine(&pc_machine_v0_12);
 930     qemu_register_pc_machine(&pc_machine_v0_11);
 931     qemu_register_pc_machine(&pc_machine_v0_10);
 932     qemu_register_pc_machine(&isapc_machine);
 933 #ifdef CONFIG_XEN
 934     qemu_register_pc_machine(&xenfv_machine);
 935 #endif
 936 }
 937
 938 machine_init(pc_machine_init);