xref: /openbmc/qemu/include/hw/i386/pc.h (revision 36a43ea83b4426344592523fd560e5f76c4867c4)
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 #ifdef CONFIG_KVM
24 #define kvm_pit_in_kernel() \
25     (kvm_irqchip_in_kernel() && !kvm_irqchip_is_split())
26 #define kvm_pic_in_kernel()  \
27     (kvm_irqchip_in_kernel() && !kvm_irqchip_is_split())
28 #define kvm_ioapic_in_kernel() \
29     (kvm_irqchip_in_kernel() && !kvm_irqchip_is_split())
30 #else
31 #define kvm_pit_in_kernel()      0
32 #define kvm_pic_in_kernel()      0
33 #define kvm_ioapic_in_kernel()   0
34 #endif
35 
36 /**
37  * PCMachineState:
38  * @acpi_dev: link to ACPI PM device that performs ACPI hotplug handling
39  */
40 struct PCMachineState {
41     /*< private >*/
42     MachineState parent_obj;
43 
44     /* <public> */
45 
46     /* State for other subsystems/APIs: */
47     MemoryHotplugState hotplug_memory;
48     Notifier machine_done;
49 
50     /* Pointers to devices and objects: */
51     HotplugHandler *acpi_dev;
52     ISADevice *rtc;
53     PCIBus *bus;
54     FWCfgState *fw_cfg;
55 
56     /* Configuration options: */
57     uint64_t max_ram_below_4g;
58     OnOffAuto vmport;
59     OnOffAuto smm;
60     bool nvdimm;
61 
62     /* RAM information (sizes, addresses, configuration): */
63     ram_addr_t below_4g_mem_size, above_4g_mem_size;
64 
65     /* CPU and apic information: */
66     bool apic_xrupt_override;
67     unsigned apic_id_limit;
68 
69     /* NUMA information: */
70     uint64_t numa_nodes;
71     uint64_t *node_mem;
72     uint64_t *node_cpu;
73 };
74 
75 #define PC_MACHINE_ACPI_DEVICE_PROP "acpi-device"
76 #define PC_MACHINE_MEMHP_REGION_SIZE "hotplug-memory-region-size"
77 #define PC_MACHINE_MAX_RAM_BELOW_4G "max-ram-below-4g"
78 #define PC_MACHINE_VMPORT           "vmport"
79 #define PC_MACHINE_SMM              "smm"
80 #define PC_MACHINE_NVDIMM           "nvdimm"
81 
82 /**
83  * PCMachineClass:
84  *
85  * Methods:
86  *
87  * @get_hotplug_handler: pointer to parent class callback @get_hotplug_handler
88  *
89  * Compat fields:
90  *
91  * @enforce_aligned_dimm: check that DIMM's address/size is aligned by
92  *                        backend's alignment value if provided
93  * @acpi_data_size: Size of the chunk of memory at the top of RAM
94  *                  for the BIOS ACPI tables and other BIOS
95  *                  datastructures.
96  * @gigabyte_align: Make sure that guest addresses aligned at
97  *                  1Gbyte boundaries get mapped to host
98  *                  addresses aligned at 1Gbyte boundaries. This
99  *                  way we can use 1GByte pages in the host.
100  *
101  */
102 struct PCMachineClass {
103     /*< private >*/
104     MachineClass parent_class;
105 
106     /*< public >*/
107 
108     /* Methods: */
109     HotplugHandler *(*get_hotplug_handler)(MachineState *machine,
110                                            DeviceState *dev);
111 
112     /* Device configuration: */
113     bool pci_enabled;
114     bool kvmclock_enabled;
115 
116     /* Compat options: */
117 
118     /* ACPI compat: */
119     bool has_acpi_build;
120     bool rsdp_in_ram;
121     int legacy_acpi_table_size;
122     unsigned acpi_data_size;
123 
124     /* SMBIOS compat: */
125     bool smbios_defaults;
126     bool smbios_legacy_mode;
127     bool smbios_uuid_encoded;
128 
129     /* RAM / address space compat: */
130     bool gigabyte_align;
131     bool has_reserved_memory;
132     bool enforce_aligned_dimm;
133     bool broken_reserved_end;
134 
135     /* TSC rate migration: */
136     bool save_tsc_khz;
137 };
138 
139 #define TYPE_PC_MACHINE "generic-pc-machine"
140 #define PC_MACHINE(obj) \
141     OBJECT_CHECK(PCMachineState, (obj), TYPE_PC_MACHINE)
142 #define PC_MACHINE_GET_CLASS(obj) \
143     OBJECT_GET_CLASS(PCMachineClass, (obj), TYPE_PC_MACHINE)
144 #define PC_MACHINE_CLASS(klass) \
145     OBJECT_CLASS_CHECK(PCMachineClass, (klass), TYPE_PC_MACHINE)
146 
147 /* PC-style peripherals (also used by other machines).  */
148 
149 typedef struct PcPciInfo {
150     Range w32;
151     Range w64;
152 } PcPciInfo;
153 
154 #define ACPI_PM_PROP_S3_DISABLED "disable_s3"
155 #define ACPI_PM_PROP_S4_DISABLED "disable_s4"
156 #define ACPI_PM_PROP_S4_VAL "s4_val"
157 #define ACPI_PM_PROP_SCI_INT "sci_int"
158 #define ACPI_PM_PROP_ACPI_ENABLE_CMD "acpi_enable_cmd"
159 #define ACPI_PM_PROP_ACPI_DISABLE_CMD "acpi_disable_cmd"
160 #define ACPI_PM_PROP_PM_IO_BASE "pm_io_base"
161 #define ACPI_PM_PROP_GPE0_BLK "gpe0_blk"
162 #define ACPI_PM_PROP_GPE0_BLK_LEN "gpe0_blk_len"
163 #define ACPI_PM_PROP_TCO_ENABLED "enable_tco"
164 
165 /* parallel.c */
166 
167 void parallel_hds_isa_init(ISABus *bus, int n);
168 
169 bool parallel_mm_init(MemoryRegion *address_space,
170                       hwaddr base, int it_shift, qemu_irq irq,
171                       CharDriverState *chr);
172 
173 /* i8259.c */
174 
175 extern DeviceState *isa_pic;
176 qemu_irq *i8259_init(ISABus *bus, qemu_irq parent_irq);
177 qemu_irq *kvm_i8259_init(ISABus *bus);
178 int pic_read_irq(DeviceState *d);
179 int pic_get_output(DeviceState *d);
180 void hmp_info_pic(Monitor *mon, const QDict *qdict);
181 void hmp_info_irq(Monitor *mon, const QDict *qdict);
182 
183 /* ioapic.c */
184 
185 void kvm_ioapic_dump_state(Monitor *mon, const QDict *qdict);
186 void ioapic_dump_state(Monitor *mon, const QDict *qdict);
187 
188 /* Global System Interrupts */
189 
190 #define GSI_NUM_PINS IOAPIC_NUM_PINS
191 
192 typedef struct GSIState {
193     qemu_irq i8259_irq[ISA_NUM_IRQS];
194     qemu_irq ioapic_irq[IOAPIC_NUM_PINS];
195 } GSIState;
196 
197 void gsi_handler(void *opaque, int n, int level);
198 
199 /* vmport.c */
200 typedef uint32_t (VMPortReadFunc)(void *opaque, uint32_t address);
201 
202 static inline void vmport_init(ISABus *bus)
203 {
204     isa_create_simple(bus, "vmport");
205 }
206 
207 void vmport_register(unsigned char command, VMPortReadFunc *func, void *opaque);
208 void vmmouse_get_data(uint32_t *data);
209 void vmmouse_set_data(const uint32_t *data);
210 
211 /* pckbd.c */
212 
213 void i8042_init(qemu_irq kbd_irq, qemu_irq mouse_irq, uint32_t io_base);
214 void i8042_mm_init(qemu_irq kbd_irq, qemu_irq mouse_irq,
215                    MemoryRegion *region, ram_addr_t size,
216                    hwaddr mask);
217 void i8042_isa_mouse_fake_event(void *opaque);
218 void i8042_setup_a20_line(ISADevice *dev, qemu_irq *a20_out);
219 
220 /* pc.c */
221 extern int fd_bootchk;
222 
223 bool pc_machine_is_smm_enabled(PCMachineState *pcms);
224 void pc_register_ferr_irq(qemu_irq irq);
225 void pc_acpi_smi_interrupt(void *opaque, int irq, int level);
226 
227 void pc_cpus_init(PCMachineState *pcms);
228 void pc_hot_add_cpu(const int64_t id, Error **errp);
229 void pc_acpi_init(const char *default_dsdt);
230 
231 void pc_guest_info_init(PCMachineState *pcms);
232 
233 #define PCI_HOST_PROP_PCI_HOLE_START   "pci-hole-start"
234 #define PCI_HOST_PROP_PCI_HOLE_END     "pci-hole-end"
235 #define PCI_HOST_PROP_PCI_HOLE64_START "pci-hole64-start"
236 #define PCI_HOST_PROP_PCI_HOLE64_END   "pci-hole64-end"
237 #define PCI_HOST_PROP_PCI_HOLE64_SIZE  "pci-hole64-size"
238 #define DEFAULT_PCI_HOLE64_SIZE (~0x0ULL)
239 
240 
241 void pc_pci_as_mapping_init(Object *owner, MemoryRegion *system_memory,
242                             MemoryRegion *pci_address_space);
243 
244 void xen_load_linux(PCMachineState *pcms);
245 void pc_memory_init(PCMachineState *pcms,
246                     MemoryRegion *system_memory,
247                     MemoryRegion *rom_memory,
248                     MemoryRegion **ram_memory);
249 qemu_irq pc_allocate_cpu_irq(void);
250 DeviceState *pc_vga_init(ISABus *isa_bus, PCIBus *pci_bus);
251 void pc_basic_device_init(ISABus *isa_bus, qemu_irq *gsi,
252                           ISADevice **rtc_state,
253                           bool create_fdctrl,
254                           bool no_vmport,
255                           uint32_t hpet_irqs);
256 void pc_init_ne2k_isa(ISABus *bus, NICInfo *nd);
257 void pc_cmos_init(PCMachineState *pcms,
258                   BusState *ide0, BusState *ide1,
259                   ISADevice *s);
260 void pc_nic_init(ISABus *isa_bus, PCIBus *pci_bus);
261 void pc_pci_device_init(PCIBus *pci_bus);
262 
263 typedef void (*cpu_set_smm_t)(int smm, void *arg);
264 
265 void ioapic_init_gsi(GSIState *gsi_state, const char *parent_name);
266 
267 ISADevice *pc_find_fdc0(void);
268 
269 #define FW_CFG_IO_BASE     0x510
270 
271 /* acpi_piix.c */
272 
273 I2CBus *piix4_pm_init(PCIBus *bus, int devfn, uint32_t smb_io_base,
274                       qemu_irq sci_irq, qemu_irq smi_irq,
275                       int smm_enabled, DeviceState **piix4_pm);
276 void piix4_smbus_register_device(SMBusDevice *dev, uint8_t addr);
277 
278 /* hpet.c */
279 extern int no_hpet;
280 
281 /* piix_pci.c */
282 struct PCII440FXState;
283 typedef struct PCII440FXState PCII440FXState;
284 
285 #define TYPE_I440FX_PCI_HOST_BRIDGE "i440FX-pcihost"
286 #define TYPE_I440FX_PCI_DEVICE "i440FX"
287 
288 #define TYPE_IGD_PASSTHROUGH_I440FX_PCI_DEVICE "igd-passthrough-i440FX"
289 
290 PCIBus *i440fx_init(const char *host_type, const char *pci_type,
291                     PCII440FXState **pi440fx_state, int *piix_devfn,
292                     ISABus **isa_bus, qemu_irq *pic,
293                     MemoryRegion *address_space_mem,
294                     MemoryRegion *address_space_io,
295                     ram_addr_t ram_size,
296                     ram_addr_t below_4g_mem_size,
297                     ram_addr_t above_4g_mem_size,
298                     MemoryRegion *pci_memory,
299                     MemoryRegion *ram_memory);
300 
301 PCIBus *find_i440fx(void);
302 /* piix4.c */
303 extern PCIDevice *piix4_dev;
304 int piix4_init(PCIBus *bus, ISABus **isa_bus, int devfn);
305 
306 /* vga.c */
307 enum vga_retrace_method {
308     VGA_RETRACE_DUMB,
309     VGA_RETRACE_PRECISE
310 };
311 
312 extern enum vga_retrace_method vga_retrace_method;
313 
314 int isa_vga_mm_init(hwaddr vram_base,
315                     hwaddr ctrl_base, int it_shift,
316                     MemoryRegion *address_space);
317 
318 /* ne2000.c */
319 static inline bool isa_ne2000_init(ISABus *bus, int base, int irq, NICInfo *nd)
320 {
321     DeviceState *dev;
322     ISADevice *isadev;
323 
324     qemu_check_nic_model(nd, "ne2k_isa");
325 
326     isadev = isa_try_create(bus, "ne2k_isa");
327     if (!isadev) {
328         return false;
329     }
330     dev = DEVICE(isadev);
331     qdev_prop_set_uint32(dev, "iobase", base);
332     qdev_prop_set_uint32(dev, "irq",    irq);
333     qdev_set_nic_properties(dev, nd);
334     qdev_init_nofail(dev);
335     return true;
336 }
337 
338 /* pc_sysfw.c */
339 void pc_system_firmware_init(MemoryRegion *rom_memory,
340                              bool isapc_ram_fw);
341 
342 /* pvpanic.c */
343 uint16_t pvpanic_port(void);
344 
345 /* e820 types */
346 #define E820_RAM        1
347 #define E820_RESERVED   2
348 #define E820_ACPI       3
349 #define E820_NVS        4
350 #define E820_UNUSABLE   5
351 
352 int e820_add_entry(uint64_t, uint64_t, uint32_t);
353 int e820_get_num_entries(void);
354 bool e820_get_entry(int, uint32_t, uint64_t *, uint64_t *);
355 
356 #define PC_COMPAT_2_5 \
357     HW_COMPAT_2_5
358 
359 #define PC_COMPAT_2_4 \
360     PC_COMPAT_2_5 \
361     HW_COMPAT_2_4 \
362     {\
363         .driver   = "Haswell-" TYPE_X86_CPU,\
364         .property = "abm",\
365         .value    = "off",\
366     },\
367     {\
368         .driver   = "Haswell-noTSX-" TYPE_X86_CPU,\
369         .property = "abm",\
370         .value    = "off",\
371     },\
372     {\
373         .driver   = "Broadwell-" TYPE_X86_CPU,\
374         .property = "abm",\
375         .value    = "off",\
376     },\
377     {\
378         .driver   = "Broadwell-noTSX-" TYPE_X86_CPU,\
379         .property = "abm",\
380         .value    = "off",\
381     },\
382     {\
383         .driver   = "host" "-" TYPE_X86_CPU,\
384         .property = "host-cache-info",\
385         .value    = "on",\
386     },\
387     {\
388         .driver   = TYPE_X86_CPU,\
389         .property = "check",\
390         .value    = "off",\
391     },\
392     {\
393         .driver   = "qemu64" "-" TYPE_X86_CPU,\
394         .property = "sse4a",\
395         .value    = "on",\
396     },\
397     {\
398         .driver   = "qemu64" "-" TYPE_X86_CPU,\
399         .property = "abm",\
400         .value    = "on",\
401     },\
402     {\
403         .driver   = "qemu64" "-" TYPE_X86_CPU,\
404         .property = "popcnt",\
405         .value    = "on",\
406     },\
407     {\
408         .driver   = "qemu32" "-" TYPE_X86_CPU,\
409         .property = "popcnt",\
410         .value    = "on",\
411     },{\
412         .driver   = "Opteron_G2" "-" TYPE_X86_CPU,\
413         .property = "rdtscp",\
414         .value    = "on",\
415     },{\
416         .driver   = "Opteron_G3" "-" TYPE_X86_CPU,\
417         .property = "rdtscp",\
418         .value    = "on",\
419     },{\
420         .driver   = "Opteron_G4" "-" TYPE_X86_CPU,\
421         .property = "rdtscp",\
422         .value    = "on",\
423     },{\
424         .driver   = "Opteron_G5" "-" TYPE_X86_CPU,\
425         .property = "rdtscp",\
426         .value    = "on",\
427     },
428 
429 
430 #define PC_COMPAT_2_3 \
431     PC_COMPAT_2_4 \
432     HW_COMPAT_2_3 \
433     {\
434         .driver   = TYPE_X86_CPU,\
435         .property = "arat",\
436         .value    = "off",\
437     },{\
438         .driver   = "qemu64" "-" TYPE_X86_CPU,\
439         .property = "level",\
440         .value    = stringify(4),\
441     },{\
442         .driver   = "kvm64" "-" TYPE_X86_CPU,\
443         .property = "level",\
444         .value    = stringify(5),\
445     },{\
446         .driver   = "pentium3" "-" TYPE_X86_CPU,\
447         .property = "level",\
448         .value    = stringify(2),\
449     },{\
450         .driver   = "n270" "-" TYPE_X86_CPU,\
451         .property = "level",\
452         .value    = stringify(5),\
453     },{\
454         .driver   = "Conroe" "-" TYPE_X86_CPU,\
455         .property = "level",\
456         .value    = stringify(4),\
457     },{\
458         .driver   = "Penryn" "-" TYPE_X86_CPU,\
459         .property = "level",\
460         .value    = stringify(4),\
461     },{\
462         .driver   = "Nehalem" "-" TYPE_X86_CPU,\
463         .property = "level",\
464         .value    = stringify(4),\
465     },{\
466         .driver   = "n270" "-" TYPE_X86_CPU,\
467         .property = "xlevel",\
468         .value    = stringify(0x8000000a),\
469     },{\
470         .driver   = "Penryn" "-" TYPE_X86_CPU,\
471         .property = "xlevel",\
472         .value    = stringify(0x8000000a),\
473     },{\
474         .driver   = "Conroe" "-" TYPE_X86_CPU,\
475         .property = "xlevel",\
476         .value    = stringify(0x8000000a),\
477     },{\
478         .driver   = "Nehalem" "-" TYPE_X86_CPU,\
479         .property = "xlevel",\
480         .value    = stringify(0x8000000a),\
481     },{\
482         .driver   = "Westmere" "-" TYPE_X86_CPU,\
483         .property = "xlevel",\
484         .value    = stringify(0x8000000a),\
485     },{\
486         .driver   = "SandyBridge" "-" TYPE_X86_CPU,\
487         .property = "xlevel",\
488         .value    = stringify(0x8000000a),\
489     },{\
490         .driver   = "IvyBridge" "-" TYPE_X86_CPU,\
491         .property = "xlevel",\
492         .value    = stringify(0x8000000a),\
493     },{\
494         .driver   = "Haswell" "-" TYPE_X86_CPU,\
495         .property = "xlevel",\
496         .value    = stringify(0x8000000a),\
497     },{\
498         .driver   = "Haswell-noTSX" "-" TYPE_X86_CPU,\
499         .property = "xlevel",\
500         .value    = stringify(0x8000000a),\
501     },{\
502         .driver   = "Broadwell" "-" TYPE_X86_CPU,\
503         .property = "xlevel",\
504         .value    = stringify(0x8000000a),\
505     },{\
506         .driver   = "Broadwell-noTSX" "-" TYPE_X86_CPU,\
507         .property = "xlevel",\
508         .value    = stringify(0x8000000a),\
509     },
510 
511 #define PC_COMPAT_2_2 \
512     PC_COMPAT_2_3 \
513     HW_COMPAT_2_2 \
514     {\
515         .driver = "kvm64" "-" TYPE_X86_CPU,\
516         .property = "vme",\
517         .value = "off",\
518     },\
519     {\
520         .driver = "kvm32" "-" TYPE_X86_CPU,\
521         .property = "vme",\
522         .value = "off",\
523     },\
524     {\
525         .driver = "Conroe" "-" TYPE_X86_CPU,\
526         .property = "vme",\
527         .value = "off",\
528     },\
529     {\
530         .driver = "Penryn" "-" TYPE_X86_CPU,\
531         .property = "vme",\
532         .value = "off",\
533     },\
534     {\
535         .driver = "Nehalem" "-" TYPE_X86_CPU,\
536         .property = "vme",\
537         .value = "off",\
538     },\
539     {\
540         .driver = "Westmere" "-" TYPE_X86_CPU,\
541         .property = "vme",\
542         .value = "off",\
543     },\
544     {\
545         .driver = "SandyBridge" "-" TYPE_X86_CPU,\
546         .property = "vme",\
547         .value = "off",\
548     },\
549     {\
550         .driver = "Haswell" "-" TYPE_X86_CPU,\
551         .property = "vme",\
552         .value = "off",\
553     },\
554     {\
555         .driver = "Broadwell" "-" TYPE_X86_CPU,\
556         .property = "vme",\
557         .value = "off",\
558     },\
559     {\
560         .driver = "Opteron_G1" "-" TYPE_X86_CPU,\
561         .property = "vme",\
562         .value = "off",\
563     },\
564     {\
565         .driver = "Opteron_G2" "-" TYPE_X86_CPU,\
566         .property = "vme",\
567         .value = "off",\
568     },\
569     {\
570         .driver = "Opteron_G3" "-" TYPE_X86_CPU,\
571         .property = "vme",\
572         .value = "off",\
573     },\
574     {\
575         .driver = "Opteron_G4" "-" TYPE_X86_CPU,\
576         .property = "vme",\
577         .value = "off",\
578     },\
579     {\
580         .driver = "Opteron_G5" "-" TYPE_X86_CPU,\
581         .property = "vme",\
582         .value = "off",\
583     },\
584     {\
585         .driver = "Haswell" "-" TYPE_X86_CPU,\
586         .property = "f16c",\
587         .value = "off",\
588     },\
589     {\
590         .driver = "Haswell" "-" TYPE_X86_CPU,\
591         .property = "rdrand",\
592         .value = "off",\
593     },\
594     {\
595         .driver = "Broadwell" "-" TYPE_X86_CPU,\
596         .property = "f16c",\
597         .value = "off",\
598     },\
599     {\
600         .driver = "Broadwell" "-" TYPE_X86_CPU,\
601         .property = "rdrand",\
602         .value = "off",\
603     },
604 
605 #define PC_COMPAT_2_1 \
606     PC_COMPAT_2_2 \
607     HW_COMPAT_2_1 \
608     {\
609         .driver = "coreduo" "-" TYPE_X86_CPU,\
610         .property = "vmx",\
611         .value = "on",\
612     },\
613     {\
614         .driver = "core2duo" "-" TYPE_X86_CPU,\
615         .property = "vmx",\
616         .value = "on",\
617     },
618 
619 #define PC_COMPAT_2_0 \
620     PC_COMPAT_2_1 \
621     {\
622         .driver   = "virtio-scsi-pci",\
623         .property = "any_layout",\
624         .value    = "off",\
625     },{\
626         .driver   = "PIIX4_PM",\
627         .property = "memory-hotplug-support",\
628         .value    = "off",\
629     },\
630     {\
631         .driver   = "apic",\
632         .property = "version",\
633         .value    = stringify(0x11),\
634     },\
635     {\
636         .driver   = "nec-usb-xhci",\
637         .property = "superspeed-ports-first",\
638         .value    = "off",\
639     },\
640     {\
641         .driver   = "nec-usb-xhci",\
642         .property = "force-pcie-endcap",\
643         .value    = "on",\
644     },\
645     {\
646         .driver   = "pci-serial",\
647         .property = "prog_if",\
648         .value    = stringify(0),\
649     },\
650     {\
651         .driver   = "pci-serial-2x",\
652         .property = "prog_if",\
653         .value    = stringify(0),\
654     },\
655     {\
656         .driver   = "pci-serial-4x",\
657         .property = "prog_if",\
658         .value    = stringify(0),\
659     },\
660     {\
661         .driver   = "virtio-net-pci",\
662         .property = "guest_announce",\
663         .value    = "off",\
664     },\
665     {\
666         .driver   = "ICH9-LPC",\
667         .property = "memory-hotplug-support",\
668         .value    = "off",\
669     },{\
670         .driver   = "xio3130-downstream",\
671         .property = COMPAT_PROP_PCP,\
672         .value    = "off",\
673     },{\
674         .driver   = "ioh3420",\
675         .property = COMPAT_PROP_PCP,\
676         .value    = "off",\
677     },
678 
679 #define PC_COMPAT_1_7 \
680     PC_COMPAT_2_0 \
681     {\
682         .driver   = TYPE_USB_DEVICE,\
683         .property = "msos-desc",\
684         .value    = "no",\
685     },\
686     {\
687         .driver   = "PIIX4_PM",\
688         .property = "acpi-pci-hotplug-with-bridge-support",\
689         .value    = "off",\
690     },\
691     {\
692         .driver   = "hpet",\
693         .property = HPET_INTCAP,\
694         .value    = stringify(4),\
695     },
696 
697 #define PC_COMPAT_1_6 \
698     PC_COMPAT_1_7 \
699     {\
700         .driver   = "e1000",\
701         .property = "mitigation",\
702         .value    = "off",\
703     },{\
704         .driver   = "qemu64-" TYPE_X86_CPU,\
705         .property = "model",\
706         .value    = stringify(2),\
707     },{\
708         .driver   = "qemu32-" TYPE_X86_CPU,\
709         .property = "model",\
710         .value    = stringify(3),\
711     },{\
712         .driver   = "i440FX-pcihost",\
713         .property = "short_root_bus",\
714         .value    = stringify(1),\
715     },{\
716         .driver   = "q35-pcihost",\
717         .property = "short_root_bus",\
718         .value    = stringify(1),\
719     },
720 
721 #define PC_COMPAT_1_5 \
722     PC_COMPAT_1_6 \
723     {\
724         .driver   = "Conroe-" TYPE_X86_CPU,\
725         .property = "model",\
726         .value    = stringify(2),\
727     },{\
728         .driver   = "Conroe-" TYPE_X86_CPU,\
729         .property = "level",\
730         .value    = stringify(2),\
731     },{\
732         .driver   = "Penryn-" TYPE_X86_CPU,\
733         .property = "model",\
734         .value    = stringify(2),\
735     },{\
736         .driver   = "Penryn-" TYPE_X86_CPU,\
737         .property = "level",\
738         .value    = stringify(2),\
739     },{\
740         .driver   = "Nehalem-" TYPE_X86_CPU,\
741         .property = "model",\
742         .value    = stringify(2),\
743     },{\
744         .driver   = "Nehalem-" TYPE_X86_CPU,\
745         .property = "level",\
746         .value    = stringify(2),\
747     },{\
748         .driver   = "virtio-net-pci",\
749         .property = "any_layout",\
750         .value    = "off",\
751     },{\
752         .driver = TYPE_X86_CPU,\
753         .property = "pmu",\
754         .value = "on",\
755     },{\
756         .driver   = "i440FX-pcihost",\
757         .property = "short_root_bus",\
758         .value    = stringify(0),\
759     },{\
760         .driver   = "q35-pcihost",\
761         .property = "short_root_bus",\
762         .value    = stringify(0),\
763     },
764 
765 #define PC_COMPAT_1_4 \
766     PC_COMPAT_1_5 \
767     {\
768         .driver   = "scsi-hd",\
769         .property = "discard_granularity",\
770         .value    = stringify(0),\
771     },{\
772         .driver   = "scsi-cd",\
773         .property = "discard_granularity",\
774         .value    = stringify(0),\
775     },{\
776         .driver   = "scsi-disk",\
777         .property = "discard_granularity",\
778         .value    = stringify(0),\
779     },{\
780         .driver   = "ide-hd",\
781         .property = "discard_granularity",\
782         .value    = stringify(0),\
783     },{\
784         .driver   = "ide-cd",\
785         .property = "discard_granularity",\
786         .value    = stringify(0),\
787     },{\
788         .driver   = "ide-drive",\
789         .property = "discard_granularity",\
790         .value    = stringify(0),\
791     },{\
792         .driver   = "virtio-blk-pci",\
793         .property = "discard_granularity",\
794         .value    = stringify(0),\
795     },{\
796         .driver   = "virtio-serial-pci",\
797         .property = "vectors",\
798         /* DEV_NVECTORS_UNSPECIFIED as a uint32_t string */\
799         .value    = stringify(0xFFFFFFFF),\
800     },{ \
801         .driver   = "virtio-net-pci", \
802         .property = "ctrl_guest_offloads", \
803         .value    = "off", \
804     },{\
805         .driver   = "e1000",\
806         .property = "romfile",\
807         .value    = "pxe-e1000.rom",\
808     },{\
809         .driver   = "ne2k_pci",\
810         .property = "romfile",\
811         .value    = "pxe-ne2k_pci.rom",\
812     },{\
813         .driver   = "pcnet",\
814         .property = "romfile",\
815         .value    = "pxe-pcnet.rom",\
816     },{\
817         .driver   = "rtl8139",\
818         .property = "romfile",\
819         .value    = "pxe-rtl8139.rom",\
820     },{\
821         .driver   = "virtio-net-pci",\
822         .property = "romfile",\
823         .value    = "pxe-virtio.rom",\
824     },{\
825         .driver   = "486-" TYPE_X86_CPU,\
826         .property = "model",\
827         .value    = stringify(0),\
828     },\
829     {\
830         .driver = "n270" "-" TYPE_X86_CPU,\
831         .property = "movbe",\
832         .value = "off",\
833     },\
834     {\
835         .driver = "Westmere" "-" TYPE_X86_CPU,\
836         .property = "pclmulqdq",\
837         .value = "off",\
838     },
839 
840 #define DEFINE_PC_MACHINE(suffix, namestr, initfn, optsfn) \
841     static void pc_machine_##suffix##_class_init(ObjectClass *oc, void *data) \
842     { \
843         MachineClass *mc = MACHINE_CLASS(oc); \
844         optsfn(mc); \
845         mc->name = namestr; \
846         mc->init = initfn; \
847     } \
848     static const TypeInfo pc_machine_type_##suffix = { \
849         .name       = namestr TYPE_MACHINE_SUFFIX, \
850         .parent     = TYPE_PC_MACHINE, \
851         .class_init = pc_machine_##suffix##_class_init, \
852     }; \
853     static void pc_machine_init_##suffix(void) \
854     { \
855         type_register(&pc_machine_type_##suffix); \
856     } \
857     machine_init(pc_machine_init_##suffix)
858 
859 extern void igd_passthrough_isa_bridge_create(PCIBus *bus, uint16_t gpu_dev_id);
860 #endif
861