include/hw/i386/pc.h

   1 #ifndef HW_PC_H
   2 #define HW_PC_H
   3
   4 #include "qemu-common.h"
   5 #include "qemu/typedefs.h"
   6 #include "exec/memory.h"
   7 #include "hw/boards.h"
   8 #include "hw/isa/isa.h"
   9 #include "hw/block/fdc.h"
  10 #include "net/net.h"
  11 #include "hw/i386/ioapic.h"
  12
  13 #include "qemu/range.h"
  14 #include "qemu/bitmap.h"
  15 #include "sysemu/sysemu.h"
  16 #include "hw/pci/pci.h"
  17 #include "hw/boards.h"
  18 #include "hw/compat.h"
  19 #include "hw/mem/pc-dimm.h"
  20
  21 #define HPET_INTCAP "hpet-intcap"
  22
  23 /**
  24  * PCMachineState:
  25  * @acpi_dev: link to ACPI PM device that performs ACPI hotplug handling
  26  * @enforce_aligned_dimm: check that DIMM's address/size is aligned by
  27  *                        backend's alignment value if provided
  28  */
  29 struct PCMachineState {
  30     /*< private >*/
  31     MachineState parent_obj;
  32
  33     /* <public> */
  34     MemoryHotplugState hotplug_memory;
  35
  36     HotplugHandler *acpi_dev;
  37     ISADevice *rtc;
  38
  39     uint64_t max_ram_below_4g;
  40     OnOffAuto vmport;
  41     OnOffAuto smm;
  42     bool enforce_aligned_dimm;
  43     ram_addr_t below_4g_mem_size, above_4g_mem_size;
  44 };
  45
  46 #define PC_MACHINE_ACPI_DEVICE_PROP "acpi-device"
  47 #define PC_MACHINE_MEMHP_REGION_SIZE "hotplug-memory-region-size"
  48 #define PC_MACHINE_MAX_RAM_BELOW_4G "max-ram-below-4g"
  49 #define PC_MACHINE_VMPORT           "vmport"
  50 #define PC_MACHINE_SMM              "smm"
  51 #define PC_MACHINE_ENFORCE_ALIGNED_DIMM "enforce-aligned-dimm"
  52
  53 /**
  54  * PCMachineClass:
  55  * @get_hotplug_handler: pointer to parent class callback @get_hotplug_handler
  56  */
  57 struct PCMachineClass {
  58     /*< private >*/
  59     MachineClass parent_class;
  60
  61     /*< public >*/
  62     bool broken_reserved_end;
  63     bool inter_dimm_gap;
  64     HotplugHandler *(*get_hotplug_handler)(MachineState *machine,
  65                                            DeviceState *dev);
  66 };
  67
  68 #define TYPE_PC_MACHINE "generic-pc-machine"
  69 #define PC_MACHINE(obj) \
  70     OBJECT_CHECK(PCMachineState, (obj), TYPE_PC_MACHINE)
  71 #define PC_MACHINE_GET_CLASS(obj) \
  72     OBJECT_GET_CLASS(PCMachineClass, (obj), TYPE_PC_MACHINE)
  73 #define PC_MACHINE_CLASS(klass) \
  74     OBJECT_CLASS_CHECK(PCMachineClass, (klass), TYPE_PC_MACHINE)
  75
  76 /* PC-style peripherals (also used by other machines).  */
  77
  78 typedef struct PcPciInfo {
  79     Range w32;
  80     Range w64;
  81 } PcPciInfo;
  82
  83 #define ACPI_PM_PROP_S3_DISABLED "disable_s3"
  84 #define ACPI_PM_PROP_S4_DISABLED "disable_s4"
  85 #define ACPI_PM_PROP_S4_VAL "s4_val"
  86 #define ACPI_PM_PROP_SCI_INT "sci_int"
  87 #define ACPI_PM_PROP_ACPI_ENABLE_CMD "acpi_enable_cmd"
  88 #define ACPI_PM_PROP_ACPI_DISABLE_CMD "acpi_disable_cmd"
  89 #define ACPI_PM_PROP_PM_IO_BASE "pm_io_base"
  90 #define ACPI_PM_PROP_GPE0_BLK "gpe0_blk"
  91 #define ACPI_PM_PROP_GPE0_BLK_LEN "gpe0_blk_len"
  92 #define ACPI_PM_PROP_TCO_ENABLED "enable_tco"
  93
  94 struct PcGuestInfo {
  95     bool isapc_ram_fw;
  96     hwaddr ram_size, ram_size_below_4g;
  97     unsigned apic_id_limit;
  98     bool apic_xrupt_override;
  99     uint64_t numa_nodes;
 100     uint64_t *node_mem;
 101     uint64_t *node_cpu;
 102     FWCfgState *fw_cfg;
 103     int legacy_acpi_table_size;
 104     bool has_acpi_build;
 105     bool has_reserved_memory;
 106     bool rsdp_in_ram;
 107 };
 108
 109 /* parallel.c */
 110
 111 void parallel_hds_isa_init(ISABus *bus, int n);
 112
 113 bool parallel_mm_init(MemoryRegion *address_space,
 114                       hwaddr base, int it_shift, qemu_irq irq,
 115                       CharDriverState *chr);
 116
 117 /* i8259.c */
 118
 119 extern DeviceState *isa_pic;
 120 qemu_irq *i8259_init(ISABus *bus, qemu_irq parent_irq);
 121 qemu_irq *kvm_i8259_init(ISABus *bus);
 122 int pic_read_irq(DeviceState *d);
 123 int pic_get_output(DeviceState *d);
 124 void hmp_info_pic(Monitor *mon, const QDict *qdict);
 125 void hmp_info_irq(Monitor *mon, const QDict *qdict);
 126
 127 /* ioapic.c */
 128
 129 void kvm_ioapic_dump_state(Monitor *mon, const QDict *qdict);
 130 void ioapic_dump_state(Monitor *mon, const QDict *qdict);
 131
 132 /* Global System Interrupts */
 133
 134 #define GSI_NUM_PINS IOAPIC_NUM_PINS
 135
 136 typedef struct GSIState {
 137     qemu_irq i8259_irq[ISA_NUM_IRQS];
 138     qemu_irq ioapic_irq[IOAPIC_NUM_PINS];
 139 } GSIState;
 140
 141 void gsi_handler(void *opaque, int n, int level);
 142
 143 /* vmport.c */
 144 typedef uint32_t (VMPortReadFunc)(void *opaque, uint32_t address);
 145
 146 static inline void vmport_init(ISABus *bus)
 147 {
 148     isa_create_simple(bus, "vmport");
 149 }
 150
 151 void vmport_register(unsigned char command, VMPortReadFunc *func, void *opaque);
 152 void vmmouse_get_data(uint32_t *data);
 153 void vmmouse_set_data(const uint32_t *data);
 154
 155 /* pckbd.c */
 156
 157 void i8042_init(qemu_irq kbd_irq, qemu_irq mouse_irq, uint32_t io_base);
 158 void i8042_mm_init(qemu_irq kbd_irq, qemu_irq mouse_irq,
 159                    MemoryRegion *region, ram_addr_t size,
 160                    hwaddr mask);
 161 void i8042_isa_mouse_fake_event(void *opaque);
 162 void i8042_setup_a20_line(ISADevice *dev, qemu_irq *a20_out);
 163
 164 /* pc.c */
 165 extern int fd_bootchk;
 166
 167 bool pc_machine_is_smm_enabled(PCMachineState *pcms);
 168 void pc_register_ferr_irq(qemu_irq irq);
 169 void pc_acpi_smi_interrupt(void *opaque, int irq, int level);
 170
 171 void pc_cpus_init(const char *cpu_model, DeviceState *icc_bridge);
 172 void pc_hot_add_cpu(const int64_t id, Error **errp);
 173 void pc_acpi_init(const char *default_dsdt);
 174
 175 PcGuestInfo *pc_guest_info_init(PCMachineState *pcms);
 176
 177 void pc_set_legacy_acpi_data_size(void);
 178
 179 #define PCI_HOST_PROP_PCI_HOLE_START   "pci-hole-start"
 180 #define PCI_HOST_PROP_PCI_HOLE_END     "pci-hole-end"
 181 #define PCI_HOST_PROP_PCI_HOLE64_START "pci-hole64-start"
 182 #define PCI_HOST_PROP_PCI_HOLE64_END   "pci-hole64-end"
 183 #define PCI_HOST_PROP_PCI_HOLE64_SIZE  "pci-hole64-size"
 184 #define DEFAULT_PCI_HOLE64_SIZE (~0x0ULL)
 185
 186
 187 void pc_pci_as_mapping_init(Object *owner, MemoryRegion *system_memory,
 188                             MemoryRegion *pci_address_space);
 189
 190 FWCfgState *xen_load_linux(PCMachineState *pcms,
 191                            PcGuestInfo *guest_info);
 192 FWCfgState *pc_memory_init(PCMachineState *pcms,
 193                            MemoryRegion *system_memory,
 194                            MemoryRegion *rom_memory,
 195                            MemoryRegion **ram_memory,
 196                            PcGuestInfo *guest_info);
 197 qemu_irq pc_allocate_cpu_irq(void);
 198 DeviceState *pc_vga_init(ISABus *isa_bus, PCIBus *pci_bus);
 199 void pc_basic_device_init(ISABus *isa_bus, qemu_irq *gsi,
 200                           ISADevice **rtc_state,
 201                           bool create_fdctrl,
 202                           bool no_vmport,
 203                           uint32 hpet_irqs);
 204 void pc_init_ne2k_isa(ISABus *bus, NICInfo *nd);
 205 void pc_cmos_init(PCMachineState *pcms,
 206                   BusState *ide0, BusState *ide1,
 207                   ISADevice *s);
 208 void pc_nic_init(ISABus *isa_bus, PCIBus *pci_bus);
 209 void pc_pci_device_init(PCIBus *pci_bus);
 210
 211 typedef void (*cpu_set_smm_t)(int smm, void *arg);
 212
 213 void ioapic_init_gsi(GSIState *gsi_state, const char *parent_name);
 214
 215 /* acpi_piix.c */
 216
 217 I2CBus *piix4_pm_init(PCIBus *bus, int devfn, uint32_t smb_io_base,
 218                       qemu_irq sci_irq, qemu_irq smi_irq,
 219                       int smm_enabled, DeviceState **piix4_pm);
 220 void piix4_smbus_register_device(SMBusDevice *dev, uint8_t addr);
 221
 222 /* hpet.c */
 223 extern int no_hpet;
 224
 225 /* piix_pci.c */
 226 struct PCII440FXState;
 227 typedef struct PCII440FXState PCII440FXState;
 228
 229 #define TYPE_I440FX_PCI_HOST_BRIDGE "i440FX-pcihost"
 230 #define TYPE_I440FX_PCI_DEVICE "i440FX"
 231
 232 #define TYPE_IGD_PASSTHROUGH_I440FX_PCI_DEVICE "igd-passthrough-i440FX"
 233
 234 PCIBus *i440fx_init(const char *host_type, const char *pci_type,
 235                     PCII440FXState **pi440fx_state, int *piix_devfn,
 236                     ISABus **isa_bus, qemu_irq *pic,
 237                     MemoryRegion *address_space_mem,
 238                     MemoryRegion *address_space_io,
 239                     ram_addr_t ram_size,
 240                     ram_addr_t below_4g_mem_size,
 241                     ram_addr_t above_4g_mem_size,
 242                     MemoryRegion *pci_memory,
 243                     MemoryRegion *ram_memory);
 244
 245 PCIBus *find_i440fx(void);
 246 /* piix4.c */
 247 extern PCIDevice *piix4_dev;
 248 int piix4_init(PCIBus *bus, ISABus **isa_bus, int devfn);
 249
 250 /* vga.c */
 251 enum vga_retrace_method {
 252     VGA_RETRACE_DUMB,
 253     VGA_RETRACE_PRECISE
 254 };
 255
 256 extern enum vga_retrace_method vga_retrace_method;
 257
 258 int isa_vga_mm_init(hwaddr vram_base,
 259                     hwaddr ctrl_base, int it_shift,
 260                     MemoryRegion *address_space);
 261
 262 /* ne2000.c */
 263 static inline bool isa_ne2000_init(ISABus *bus, int base, int irq, NICInfo *nd)
 264 {
 265     DeviceState *dev;
 266     ISADevice *isadev;
 267
 268     qemu_check_nic_model(nd, "ne2k_isa");
 269
 270     isadev = isa_try_create(bus, "ne2k_isa");
 271     if (!isadev) {
 272         return false;
 273     }
 274     dev = DEVICE(isadev);
 275     qdev_prop_set_uint32(dev, "iobase", base);
 276     qdev_prop_set_uint32(dev, "irq",    irq);
 277     qdev_set_nic_properties(dev, nd);
 278     qdev_init_nofail(dev);
 279     return true;
 280 }
 281
 282 /* pc_sysfw.c */
 283 void pc_system_firmware_init(MemoryRegion *rom_memory,
 284                              bool isapc_ram_fw);
 285
 286 /* pvpanic.c */
 287 uint16_t pvpanic_port(void);
 288
 289 /* e820 types */
 290 #define E820_RAM        1
 291 #define E820_RESERVED   2
 292 #define E820_ACPI       3
 293 #define E820_NVS        4
 294 #define E820_UNUSABLE   5
 295
 296 int e820_add_entry(uint64_t, uint64_t, uint32_t);
 297 int e820_get_num_entries(void);
 298 bool e820_get_entry(int, uint32_t, uint64_t *, uint64_t *);
 299
 300 #define PC_COMPAT_2_4 \
 301         HW_COMPAT_2_4
 302
 303 #define PC_COMPAT_2_3 \
 304         PC_COMPAT_2_4 \
 305         HW_COMPAT_2_3 \
 306         {\
 307             .driver   = TYPE_X86_CPU,\
 308             .property = "arat",\
 309             .value    = "off",\
 310         },{\
 311             .driver   = "qemu64" "-" TYPE_X86_CPU,\
 312             .property = "level",\
 313             .value    = stringify(4),\
 314         },{\
 315             .driver   = "kvm64" "-" TYPE_X86_CPU,\
 316             .property = "level",\
 317             .value    = stringify(5),\
 318         },{\
 319             .driver   = "pentium3" "-" TYPE_X86_CPU,\
 320             .property = "level",\
 321             .value    = stringify(2),\
 322         },{\
 323             .driver   = "n270" "-" TYPE_X86_CPU,\
 324             .property = "level",\
 325             .value    = stringify(5),\
 326         },{\
 327             .driver   = "Conroe" "-" TYPE_X86_CPU,\
 328             .property = "level",\
 329             .value    = stringify(4),\
 330         },{\
 331             .driver   = "Penryn" "-" TYPE_X86_CPU,\
 332             .property = "level",\
 333             .value    = stringify(4),\
 334         },{\
 335             .driver   = "Nehalem" "-" TYPE_X86_CPU,\
 336             .property = "level",\
 337             .value    = stringify(4),\
 338         },{\
 339             .driver   = "n270" "-" TYPE_X86_CPU,\
 340             .property = "xlevel",\
 341             .value    = stringify(0x8000000a),\
 342         },{\
 343             .driver   = "Penryn" "-" TYPE_X86_CPU,\
 344             .property = "xlevel",\
 345             .value    = stringify(0x8000000a),\
 346         },{\
 347             .driver   = "Conroe" "-" TYPE_X86_CPU,\
 348             .property = "xlevel",\
 349             .value    = stringify(0x8000000a),\
 350         },{\
 351             .driver   = "Nehalem" "-" TYPE_X86_CPU,\
 352             .property = "xlevel",\
 353             .value    = stringify(0x8000000a),\
 354         },{\
 355             .driver   = "Westmere" "-" TYPE_X86_CPU,\
 356             .property = "xlevel",\
 357             .value    = stringify(0x8000000a),\
 358         },{\
 359             .driver   = "SandyBridge" "-" TYPE_X86_CPU,\
 360             .property = "xlevel",\
 361             .value    = stringify(0x8000000a),\
 362         },{\
 363             .driver   = "IvyBridge" "-" TYPE_X86_CPU,\
 364             .property = "xlevel",\
 365             .value    = stringify(0x8000000a),\
 366         },{\
 367             .driver   = "Haswell" "-" TYPE_X86_CPU,\
 368             .property = "xlevel",\
 369             .value    = stringify(0x8000000a),\
 370         },{\
 371             .driver   = "Haswell-noTSX" "-" TYPE_X86_CPU,\
 372             .property = "xlevel",\
 373             .value    = stringify(0x8000000a),\
 374         },{\
 375             .driver   = "Broadwell" "-" TYPE_X86_CPU,\
 376             .property = "xlevel",\
 377             .value    = stringify(0x8000000a),\
 378         },{\
 379             .driver   = "Broadwell-noTSX" "-" TYPE_X86_CPU,\
 380             .property = "xlevel",\
 381             .value    = stringify(0x8000000a),\
 382         },
 383
 384 #define PC_COMPAT_2_2 \
 385         PC_COMPAT_2_3 \
 386         HW_COMPAT_2_2 \
 387         {\
 388             .driver = "kvm64" "-" TYPE_X86_CPU,\
 389             .property = "vme",\
 390             .value = "off",\
 391         },\
 392         {\
 393             .driver = "kvm32" "-" TYPE_X86_CPU,\
 394             .property = "vme",\
 395             .value = "off",\
 396         },\
 397         {\
 398             .driver = "Conroe" "-" TYPE_X86_CPU,\
 399             .property = "vme",\
 400             .value = "off",\
 401         },\
 402         {\
 403             .driver = "Penryn" "-" TYPE_X86_CPU,\
 404             .property = "vme",\
 405             .value = "off",\
 406         },\
 407         {\
 408             .driver = "Nehalem" "-" TYPE_X86_CPU,\
 409             .property = "vme",\
 410             .value = "off",\
 411         },\
 412         {\
 413             .driver = "Westmere" "-" TYPE_X86_CPU,\
 414             .property = "vme",\
 415             .value = "off",\
 416         },\
 417         {\
 418             .driver = "SandyBridge" "-" TYPE_X86_CPU,\
 419             .property = "vme",\
 420             .value = "off",\
 421         },\
 422         {\
 423             .driver = "Haswell" "-" TYPE_X86_CPU,\
 424             .property = "vme",\
 425             .value = "off",\
 426         },\
 427         {\
 428             .driver = "Broadwell" "-" TYPE_X86_CPU,\
 429             .property = "vme",\
 430             .value = "off",\
 431         },\
 432         {\
 433             .driver = "Opteron_G1" "-" TYPE_X86_CPU,\
 434             .property = "vme",\
 435             .value = "off",\
 436         },\
 437         {\
 438             .driver = "Opteron_G2" "-" TYPE_X86_CPU,\
 439             .property = "vme",\
 440             .value = "off",\
 441         },\
 442         {\
 443             .driver = "Opteron_G3" "-" TYPE_X86_CPU,\
 444             .property = "vme",\
 445             .value = "off",\
 446         },\
 447         {\
 448             .driver = "Opteron_G4" "-" TYPE_X86_CPU,\
 449             .property = "vme",\
 450             .value = "off",\
 451         },\
 452         {\
 453             .driver = "Opteron_G5" "-" TYPE_X86_CPU,\
 454             .property = "vme",\
 455             .value = "off",\
 456         },\
 457         {\
 458             .driver = "Haswell" "-" TYPE_X86_CPU,\
 459             .property = "f16c",\
 460             .value = "off",\
 461         },\
 462         {\
 463             .driver = "Haswell" "-" TYPE_X86_CPU,\
 464             .property = "rdrand",\
 465             .value = "off",\
 466         },\
 467         {\
 468             .driver = "Broadwell" "-" TYPE_X86_CPU,\
 469             .property = "f16c",\
 470             .value = "off",\
 471         },\
 472         {\
 473             .driver = "Broadwell" "-" TYPE_X86_CPU,\
 474             .property = "rdrand",\
 475             .value = "off",\
 476         },
 477
 478 #define PC_COMPAT_2_1 \
 479         PC_COMPAT_2_2 \
 480         HW_COMPAT_2_1 \
 481         {\
 482             .driver = "coreduo" "-" TYPE_X86_CPU,\
 483             .property = "vmx",\
 484             .value = "on",\
 485         },\
 486         {\
 487             .driver = "core2duo" "-" TYPE_X86_CPU,\
 488             .property = "vmx",\
 489             .value = "on",\
 490         },
 491
 492 #define PC_COMPAT_2_0 \
 493         PC_COMPAT_2_1 \
 494         {\
 495             .driver   = "virtio-scsi-pci",\
 496             .property = "any_layout",\
 497             .value    = "off",\
 498         },{\
 499             .driver   = "PIIX4_PM",\
 500             .property = "memory-hotplug-support",\
 501             .value    = "off",\
 502         },\
 503         {\
 504             .driver   = "apic",\
 505             .property = "version",\
 506             .value    = stringify(0x11),\
 507         },\
 508         {\
 509             .driver   = "nec-usb-xhci",\
 510             .property = "superspeed-ports-first",\
 511             .value    = "off",\
 512         },\
 513         {\
 514             .driver   = "nec-usb-xhci",\
 515             .property = "force-pcie-endcap",\
 516             .value    = "on",\
 517         },\
 518         {\
 519             .driver   = "pci-serial",\
 520             .property = "prog_if",\
 521             .value    = stringify(0),\
 522         },\
 523         {\
 524             .driver   = "pci-serial-2x",\
 525             .property = "prog_if",\
 526             .value    = stringify(0),\
 527         },\
 528         {\
 529             .driver   = "pci-serial-4x",\
 530             .property = "prog_if",\
 531             .value    = stringify(0),\
 532         },\
 533         {\
 534             .driver   = "virtio-net-pci",\
 535             .property = "guest_announce",\
 536             .value    = "off",\
 537         },\
 538         {\
 539             .driver   = "ICH9-LPC",\
 540             .property = "memory-hotplug-support",\
 541             .value    = "off",\
 542         },{\
 543             .driver   = "xio3130-downstream",\
 544             .property = COMPAT_PROP_PCP,\
 545             .value    = "off",\
 546         },{\
 547             .driver   = "ioh3420",\
 548             .property = COMPAT_PROP_PCP,\
 549             .value    = "off",\
 550         },
 551
 552 #define PC_COMPAT_1_7 \
 553         PC_COMPAT_2_0 \
 554         {\
 555             .driver   = TYPE_USB_DEVICE,\
 556             .property = "msos-desc",\
 557             .value    = "no",\
 558         },\
 559         {\
 560             .driver   = "PIIX4_PM",\
 561             .property = "acpi-pci-hotplug-with-bridge-support",\
 562             .value    = "off",\
 563         },\
 564         {\
 565             .driver   = "hpet",\
 566             .property = HPET_INTCAP,\
 567             .value    = stringify(4),\
 568         },
 569
 570 #define PC_COMPAT_1_6 \
 571         PC_COMPAT_1_7 \
 572         {\
 573             .driver   = "e1000",\
 574             .property = "mitigation",\
 575             .value    = "off",\
 576         },{\
 577             .driver   = "qemu64-" TYPE_X86_CPU,\
 578             .property = "model",\
 579             .value    = stringify(2),\
 580         },{\
 581             .driver   = "qemu32-" TYPE_X86_CPU,\
 582             .property = "model",\
 583             .value    = stringify(3),\
 584         },{\
 585             .driver   = "i440FX-pcihost",\
 586             .property = "short_root_bus",\
 587             .value    = stringify(1),\
 588         },{\
 589             .driver   = "q35-pcihost",\
 590             .property = "short_root_bus",\
 591             .value    = stringify(1),\
 592         },
 593
 594 #define PC_COMPAT_1_5 \
 595         PC_COMPAT_1_6 \
 596         {\
 597             .driver   = "Conroe-" TYPE_X86_CPU,\
 598             .property = "model",\
 599             .value    = stringify(2),\
 600         },{\
 601             .driver   = "Conroe-" TYPE_X86_CPU,\
 602             .property = "level",\
 603             .value    = stringify(2),\
 604         },{\
 605             .driver   = "Penryn-" TYPE_X86_CPU,\
 606             .property = "model",\
 607             .value    = stringify(2),\
 608         },{\
 609             .driver   = "Penryn-" TYPE_X86_CPU,\
 610             .property = "level",\
 611             .value    = stringify(2),\
 612         },{\
 613             .driver   = "Nehalem-" TYPE_X86_CPU,\
 614             .property = "model",\
 615             .value    = stringify(2),\
 616         },{\
 617             .driver   = "Nehalem-" TYPE_X86_CPU,\
 618             .property = "level",\
 619             .value    = stringify(2),\
 620         },{\
 621             .driver   = "virtio-net-pci",\
 622             .property = "any_layout",\
 623             .value    = "off",\
 624         },{\
 625             .driver = TYPE_X86_CPU,\
 626             .property = "pmu",\
 627             .value = "on",\
 628         },{\
 629             .driver   = "i440FX-pcihost",\
 630             .property = "short_root_bus",\
 631             .value    = stringify(0),\
 632         },{\
 633             .driver   = "q35-pcihost",\
 634             .property = "short_root_bus",\
 635             .value    = stringify(0),\
 636         },
 637
 638 #define PC_COMPAT_1_4 \
 639         PC_COMPAT_1_5 \
 640         {\
 641             .driver   = "scsi-hd",\
 642             .property = "discard_granularity",\
 643             .value    = stringify(0),\
 644         },{\
 645             .driver   = "scsi-cd",\
 646             .property = "discard_granularity",\
 647             .value    = stringify(0),\
 648         },{\
 649             .driver   = "scsi-disk",\
 650             .property = "discard_granularity",\
 651             .value    = stringify(0),\
 652         },{\
 653             .driver   = "ide-hd",\
 654             .property = "discard_granularity",\
 655             .value    = stringify(0),\
 656         },{\
 657             .driver   = "ide-cd",\
 658             .property = "discard_granularity",\
 659             .value    = stringify(0),\
 660         },{\
 661             .driver   = "ide-drive",\
 662             .property = "discard_granularity",\
 663             .value    = stringify(0),\
 664         },{\
 665             .driver   = "virtio-blk-pci",\
 666             .property = "discard_granularity",\
 667             .value    = stringify(0),\
 668         },{\
 669             .driver   = "virtio-serial-pci",\
 670             .property = "vectors",\
 671             /* DEV_NVECTORS_UNSPECIFIED as a uint32_t string */\
 672             .value    = stringify(0xFFFFFFFF),\
 673         },{ \
 674             .driver   = "virtio-net-pci", \
 675             .property = "ctrl_guest_offloads", \
 676             .value    = "off", \
 677         },{\
 678             .driver   = "e1000",\
 679             .property = "romfile",\
 680             .value    = "pxe-e1000.rom",\
 681         },{\
 682             .driver   = "ne2k_pci",\
 683             .property = "romfile",\
 684             .value    = "pxe-ne2k_pci.rom",\
 685         },{\
 686             .driver   = "pcnet",\
 687             .property = "romfile",\
 688             .value    = "pxe-pcnet.rom",\
 689         },{\
 690             .driver   = "rtl8139",\
 691             .property = "romfile",\
 692             .value    = "pxe-rtl8139.rom",\
 693         },{\
 694             .driver   = "virtio-net-pci",\
 695             .property = "romfile",\
 696             .value    = "pxe-virtio.rom",\
 697         },{\
 698             .driver   = "486-" TYPE_X86_CPU,\
 699             .property = "model",\
 700             .value    = stringify(0),\
 701         },\
 702         {\
 703             .driver = "n270" "-" TYPE_X86_CPU,\
 704             .property = "movbe",\
 705             .value = "off",\
 706         },\
 707         {\
 708             .driver = "Westmere" "-" TYPE_X86_CPU,\
 709             .property = "pclmulqdq",\
 710             .value = "off",\
 711         },
 712
 713 #define DEFINE_PC_MACHINE(suffix, namestr, initfn, optsfn) \
 714     static void pc_machine_##suffix##_class_init(ObjectClass *oc, void *data) \
 715     { \
 716         MachineClass *mc = MACHINE_CLASS(oc); \
 717         optsfn(mc); \
 718         mc->name = namestr; \
 719         mc->init = initfn; \
 720     } \
 721     static const TypeInfo pc_machine_type_##suffix = { \
 722         .name       = namestr TYPE_MACHINE_SUFFIX, \
 723         .parent     = TYPE_PC_MACHINE, \
 724         .class_init = pc_machine_##suffix##_class_init, \
 725     }; \
 726     static void pc_machine_init_##suffix(void) \
 727     { \
 728         type_register(&pc_machine_type_##suffix); \
 729     } \
 730     machine_init(pc_machine_init_##suffix)
 731
 732 #define SET_MACHINE_COMPAT(m, COMPAT) do { \
 733     static GlobalProperty props[] = { \
 734         COMPAT \
 735         { /* end of list */ } \
 736     }; \
 737     (m)->compat_props = props; \
 738 } while (0)
 739
 740 extern void igd_passthrough_isa_bridge_create(PCIBus *bus, uint16_t gpu_dev_id);
 741 #endif