xref: /openbmc/qemu/include/hw/i386/pc.h (revision 9af9e0fe)
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 
49     /* Pointers to devices and objects: */
50     HotplugHandler *acpi_dev;
51     ISADevice *rtc;
52     PCIBus *bus;
53 
54     /* Configuration options: */
55     uint64_t max_ram_below_4g;
56     OnOffAuto vmport;
57     OnOffAuto smm;
58     bool nvdimm;
59 
60     /* RAM information (sizes, addresses, configuration): */
61     ram_addr_t below_4g_mem_size, above_4g_mem_size;
62 };
63 
64 #define PC_MACHINE_ACPI_DEVICE_PROP "acpi-device"
65 #define PC_MACHINE_MEMHP_REGION_SIZE "hotplug-memory-region-size"
66 #define PC_MACHINE_MAX_RAM_BELOW_4G "max-ram-below-4g"
67 #define PC_MACHINE_VMPORT           "vmport"
68 #define PC_MACHINE_SMM              "smm"
69 #define PC_MACHINE_NVDIMM           "nvdimm"
70 
71 /**
72  * PCMachineClass:
73  *
74  * Methods:
75  *
76  * @get_hotplug_handler: pointer to parent class callback @get_hotplug_handler
77  *
78  * Compat fields:
79  *
80  * @enforce_aligned_dimm: check that DIMM's address/size is aligned by
81  *                        backend's alignment value if provided
82  * @acpi_data_size: Size of the chunk of memory at the top of RAM
83  *                  for the BIOS ACPI tables and other BIOS
84  *                  datastructures.
85  * @gigabyte_align: Make sure that guest addresses aligned at
86  *                  1Gbyte boundaries get mapped to host
87  *                  addresses aligned at 1Gbyte boundaries. This
88  *                  way we can use 1GByte pages in the host.
89  *
90  */
91 struct PCMachineClass {
92     /*< private >*/
93     MachineClass parent_class;
94 
95     /*< public >*/
96 
97     /* Methods: */
98     HotplugHandler *(*get_hotplug_handler)(MachineState *machine,
99                                            DeviceState *dev);
100 
101     /* Device configuration: */
102     bool pci_enabled;
103     bool kvmclock_enabled;
104 
105     /* Compat options: */
106 
107     /* ACPI compat: */
108     bool has_acpi_build;
109     bool rsdp_in_ram;
110     int legacy_acpi_table_size;
111     unsigned acpi_data_size;
112 
113     /* SMBIOS compat: */
114     bool smbios_defaults;
115     bool smbios_legacy_mode;
116     bool smbios_uuid_encoded;
117 
118     /* RAM / address space compat: */
119     bool gigabyte_align;
120     bool has_reserved_memory;
121     bool enforce_aligned_dimm;
122     bool broken_reserved_end;
123 };
124 
125 #define TYPE_PC_MACHINE "generic-pc-machine"
126 #define PC_MACHINE(obj) \
127     OBJECT_CHECK(PCMachineState, (obj), TYPE_PC_MACHINE)
128 #define PC_MACHINE_GET_CLASS(obj) \
129     OBJECT_GET_CLASS(PCMachineClass, (obj), TYPE_PC_MACHINE)
130 #define PC_MACHINE_CLASS(klass) \
131     OBJECT_CLASS_CHECK(PCMachineClass, (klass), TYPE_PC_MACHINE)
132 
133 /* PC-style peripherals (also used by other machines).  */
134 
135 typedef struct PcPciInfo {
136     Range w32;
137     Range w64;
138 } PcPciInfo;
139 
140 #define ACPI_PM_PROP_S3_DISABLED "disable_s3"
141 #define ACPI_PM_PROP_S4_DISABLED "disable_s4"
142 #define ACPI_PM_PROP_S4_VAL "s4_val"
143 #define ACPI_PM_PROP_SCI_INT "sci_int"
144 #define ACPI_PM_PROP_ACPI_ENABLE_CMD "acpi_enable_cmd"
145 #define ACPI_PM_PROP_ACPI_DISABLE_CMD "acpi_disable_cmd"
146 #define ACPI_PM_PROP_PM_IO_BASE "pm_io_base"
147 #define ACPI_PM_PROP_GPE0_BLK "gpe0_blk"
148 #define ACPI_PM_PROP_GPE0_BLK_LEN "gpe0_blk_len"
149 #define ACPI_PM_PROP_TCO_ENABLED "enable_tco"
150 
151 struct PcGuestInfo {
152     bool isapc_ram_fw;
153     hwaddr ram_size, ram_size_below_4g;
154     unsigned apic_id_limit;
155     bool apic_xrupt_override;
156     uint64_t numa_nodes;
157     uint64_t *node_mem;
158     uint64_t *node_cpu;
159     FWCfgState *fw_cfg;
160     int legacy_acpi_table_size;
161     bool has_acpi_build;
162     bool has_reserved_memory;
163     bool rsdp_in_ram;
164 };
165 
166 /* parallel.c */
167 
168 void parallel_hds_isa_init(ISABus *bus, int n);
169 
170 bool parallel_mm_init(MemoryRegion *address_space,
171                       hwaddr base, int it_shift, qemu_irq irq,
172                       CharDriverState *chr);
173 
174 /* i8259.c */
175 
176 extern DeviceState *isa_pic;
177 qemu_irq *i8259_init(ISABus *bus, qemu_irq parent_irq);
178 qemu_irq *kvm_i8259_init(ISABus *bus);
179 int pic_read_irq(DeviceState *d);
180 int pic_get_output(DeviceState *d);
181 void hmp_info_pic(Monitor *mon, const QDict *qdict);
182 void hmp_info_irq(Monitor *mon, const QDict *qdict);
183 
184 /* ioapic.c */
185 
186 void kvm_ioapic_dump_state(Monitor *mon, const QDict *qdict);
187 void ioapic_dump_state(Monitor *mon, const QDict *qdict);
188 
189 /* Global System Interrupts */
190 
191 #define GSI_NUM_PINS IOAPIC_NUM_PINS
192 
193 typedef struct GSIState {
194     qemu_irq i8259_irq[ISA_NUM_IRQS];
195     qemu_irq ioapic_irq[IOAPIC_NUM_PINS];
196 } GSIState;
197 
198 void gsi_handler(void *opaque, int n, int level);
199 
200 /* vmport.c */
201 typedef uint32_t (VMPortReadFunc)(void *opaque, uint32_t address);
202 
203 static inline void vmport_init(ISABus *bus)
204 {
205     isa_create_simple(bus, "vmport");
206 }
207 
208 void vmport_register(unsigned char command, VMPortReadFunc *func, void *opaque);
209 void vmmouse_get_data(uint32_t *data);
210 void vmmouse_set_data(const uint32_t *data);
211 
212 /* pckbd.c */
213 
214 void i8042_init(qemu_irq kbd_irq, qemu_irq mouse_irq, uint32_t io_base);
215 void i8042_mm_init(qemu_irq kbd_irq, qemu_irq mouse_irq,
216                    MemoryRegion *region, ram_addr_t size,
217                    hwaddr mask);
218 void i8042_isa_mouse_fake_event(void *opaque);
219 void i8042_setup_a20_line(ISADevice *dev, qemu_irq *a20_out);
220 
221 /* pc.c */
222 extern int fd_bootchk;
223 
224 bool pc_machine_is_smm_enabled(PCMachineState *pcms);
225 void pc_register_ferr_irq(qemu_irq irq);
226 void pc_acpi_smi_interrupt(void *opaque, int irq, int level);
227 
228 void pc_cpus_init(PCMachineState *pcms);
229 void pc_hot_add_cpu(const int64_t id, Error **errp);
230 void pc_acpi_init(const char *default_dsdt);
231 
232 PcGuestInfo *pc_guest_info_init(PCMachineState *pcms);
233 
234 #define PCI_HOST_PROP_PCI_HOLE_START   "pci-hole-start"
235 #define PCI_HOST_PROP_PCI_HOLE_END     "pci-hole-end"
236 #define PCI_HOST_PROP_PCI_HOLE64_START "pci-hole64-start"
237 #define PCI_HOST_PROP_PCI_HOLE64_END   "pci-hole64-end"
238 #define PCI_HOST_PROP_PCI_HOLE64_SIZE  "pci-hole64-size"
239 #define DEFAULT_PCI_HOLE64_SIZE (~0x0ULL)
240 
241 
242 void pc_pci_as_mapping_init(Object *owner, MemoryRegion *system_memory,
243                             MemoryRegion *pci_address_space);
244 
245 FWCfgState *xen_load_linux(PCMachineState *pcms,
246                            PcGuestInfo *guest_info);
247 FWCfgState *pc_memory_init(PCMachineState *pcms,
248                            MemoryRegion *system_memory,
249                            MemoryRegion *rom_memory,
250                            MemoryRegion **ram_memory,
251                            PcGuestInfo *guest_info);
252 qemu_irq pc_allocate_cpu_irq(void);
253 DeviceState *pc_vga_init(ISABus *isa_bus, PCIBus *pci_bus);
254 void pc_basic_device_init(ISABus *isa_bus, qemu_irq *gsi,
255                           ISADevice **rtc_state,
256                           bool create_fdctrl,
257                           bool no_vmport,
258                           uint32 hpet_irqs);
259 void pc_init_ne2k_isa(ISABus *bus, NICInfo *nd);
260 void pc_cmos_init(PCMachineState *pcms,
261                   BusState *ide0, BusState *ide1,
262                   ISADevice *s);
263 void pc_nic_init(ISABus *isa_bus, PCIBus *pci_bus);
264 void pc_pci_device_init(PCIBus *pci_bus);
265 
266 typedef void (*cpu_set_smm_t)(int smm, void *arg);
267 
268 void ioapic_init_gsi(GSIState *gsi_state, const char *parent_name);
269 
270 ISADevice *pc_find_fdc0(void);
271 
272 /* acpi_piix.c */
273 
274 I2CBus *piix4_pm_init(PCIBus *bus, int devfn, uint32_t smb_io_base,
275                       qemu_irq sci_irq, qemu_irq smi_irq,
276                       int smm_enabled, DeviceState **piix4_pm);
277 void piix4_smbus_register_device(SMBusDevice *dev, uint8_t addr);
278 
279 /* hpet.c */
280 extern int no_hpet;
281 
282 /* piix_pci.c */
283 struct PCII440FXState;
284 typedef struct PCII440FXState PCII440FXState;
285 
286 #define TYPE_I440FX_PCI_HOST_BRIDGE "i440FX-pcihost"
287 #define TYPE_I440FX_PCI_DEVICE "i440FX"
288 
289 #define TYPE_IGD_PASSTHROUGH_I440FX_PCI_DEVICE "igd-passthrough-i440FX"
290 
291 PCIBus *i440fx_init(const char *host_type, const char *pci_type,
292                     PCII440FXState **pi440fx_state, int *piix_devfn,
293                     ISABus **isa_bus, qemu_irq *pic,
294                     MemoryRegion *address_space_mem,
295                     MemoryRegion *address_space_io,
296                     ram_addr_t ram_size,
297                     ram_addr_t below_4g_mem_size,
298                     ram_addr_t above_4g_mem_size,
299                     MemoryRegion *pci_memory,
300                     MemoryRegion *ram_memory);
301 
302 PCIBus *find_i440fx(void);
303 /* piix4.c */
304 extern PCIDevice *piix4_dev;
305 int piix4_init(PCIBus *bus, ISABus **isa_bus, int devfn);
306 
307 /* vga.c */
308 enum vga_retrace_method {
309     VGA_RETRACE_DUMB,
310     VGA_RETRACE_PRECISE
311 };
312 
313 extern enum vga_retrace_method vga_retrace_method;
314 
315 int isa_vga_mm_init(hwaddr vram_base,
316                     hwaddr ctrl_base, int it_shift,
317                     MemoryRegion *address_space);
318 
319 /* ne2000.c */
320 static inline bool isa_ne2000_init(ISABus *bus, int base, int irq, NICInfo *nd)
321 {
322     DeviceState *dev;
323     ISADevice *isadev;
324 
325     qemu_check_nic_model(nd, "ne2k_isa");
326 
327     isadev = isa_try_create(bus, "ne2k_isa");
328     if (!isadev) {
329         return false;
330     }
331     dev = DEVICE(isadev);
332     qdev_prop_set_uint32(dev, "iobase", base);
333     qdev_prop_set_uint32(dev, "irq",    irq);
334     qdev_set_nic_properties(dev, nd);
335     qdev_init_nofail(dev);
336     return true;
337 }
338 
339 /* pc_sysfw.c */
340 void pc_system_firmware_init(MemoryRegion *rom_memory,
341                              bool isapc_ram_fw);
342 
343 /* pvpanic.c */
344 uint16_t pvpanic_port(void);
345 
346 /* e820 types */
347 #define E820_RAM        1
348 #define E820_RESERVED   2
349 #define E820_ACPI       3
350 #define E820_NVS        4
351 #define E820_UNUSABLE   5
352 
353 int e820_add_entry(uint64_t, uint64_t, uint32_t);
354 int e820_get_num_entries(void);
355 bool e820_get_entry(int, uint32_t, uint64_t *, uint64_t *);
356 
357 #define PC_COMPAT_2_5 \
358     HW_COMPAT_2_5
359 
360 #define PC_COMPAT_2_4 \
361     PC_COMPAT_2_5 \
362     HW_COMPAT_2_4 \
363     {\
364         .driver   = "Haswell-" TYPE_X86_CPU,\
365         .property = "abm",\
366         .value    = "off",\
367     },\
368     {\
369         .driver   = "Haswell-noTSX-" TYPE_X86_CPU,\
370         .property = "abm",\
371         .value    = "off",\
372     },\
373     {\
374         .driver   = "Broadwell-" TYPE_X86_CPU,\
375         .property = "abm",\
376         .value    = "off",\
377     },\
378     {\
379         .driver   = "Broadwell-noTSX-" TYPE_X86_CPU,\
380         .property = "abm",\
381         .value    = "off",\
382     },\
383     {\
384         .driver   = "host" "-" TYPE_X86_CPU,\
385         .property = "host-cache-info",\
386         .value    = "on",\
387     },\
388     {\
389         .driver   = TYPE_X86_CPU,\
390         .property = "check",\
391         .value    = "off",\
392     },\
393     {\
394         .driver   = "qemu64" "-" TYPE_X86_CPU,\
395         .property = "sse4a",\
396         .value    = "on",\
397     },\
398     {\
399         .driver   = "qemu64" "-" TYPE_X86_CPU,\
400         .property = "abm",\
401         .value    = "on",\
402     },\
403     {\
404         .driver   = "qemu64" "-" TYPE_X86_CPU,\
405         .property = "popcnt",\
406         .value    = "on",\
407     },\
408     {\
409         .driver   = "qemu32" "-" TYPE_X86_CPU,\
410         .property = "popcnt",\
411         .value    = "on",\
412     },{\
413         .driver   = "Opteron_G2" "-" TYPE_X86_CPU,\
414         .property = "rdtscp",\
415         .value    = "on",\
416     },{\
417         .driver   = "Opteron_G3" "-" TYPE_X86_CPU,\
418         .property = "rdtscp",\
419         .value    = "on",\
420     },{\
421         .driver   = "Opteron_G4" "-" TYPE_X86_CPU,\
422         .property = "rdtscp",\
423         .value    = "on",\
424     },{\
425         .driver   = "Opteron_G5" "-" TYPE_X86_CPU,\
426         .property = "rdtscp",\
427         .value    = "on",\
428     },
429 
430 
431 #define PC_COMPAT_2_3 \
432     PC_COMPAT_2_4 \
433     HW_COMPAT_2_3 \
434     {\
435         .driver   = TYPE_X86_CPU,\
436         .property = "arat",\
437         .value    = "off",\
438     },{\
439         .driver   = "qemu64" "-" TYPE_X86_CPU,\
440         .property = "level",\
441         .value    = stringify(4),\
442     },{\
443         .driver   = "kvm64" "-" TYPE_X86_CPU,\
444         .property = "level",\
445         .value    = stringify(5),\
446     },{\
447         .driver   = "pentium3" "-" TYPE_X86_CPU,\
448         .property = "level",\
449         .value    = stringify(2),\
450     },{\
451         .driver   = "n270" "-" TYPE_X86_CPU,\
452         .property = "level",\
453         .value    = stringify(5),\
454     },{\
455         .driver   = "Conroe" "-" TYPE_X86_CPU,\
456         .property = "level",\
457         .value    = stringify(4),\
458     },{\
459         .driver   = "Penryn" "-" TYPE_X86_CPU,\
460         .property = "level",\
461         .value    = stringify(4),\
462     },{\
463         .driver   = "Nehalem" "-" TYPE_X86_CPU,\
464         .property = "level",\
465         .value    = stringify(4),\
466     },{\
467         .driver   = "n270" "-" TYPE_X86_CPU,\
468         .property = "xlevel",\
469         .value    = stringify(0x8000000a),\
470     },{\
471         .driver   = "Penryn" "-" TYPE_X86_CPU,\
472         .property = "xlevel",\
473         .value    = stringify(0x8000000a),\
474     },{\
475         .driver   = "Conroe" "-" TYPE_X86_CPU,\
476         .property = "xlevel",\
477         .value    = stringify(0x8000000a),\
478     },{\
479         .driver   = "Nehalem" "-" TYPE_X86_CPU,\
480         .property = "xlevel",\
481         .value    = stringify(0x8000000a),\
482     },{\
483         .driver   = "Westmere" "-" TYPE_X86_CPU,\
484         .property = "xlevel",\
485         .value    = stringify(0x8000000a),\
486     },{\
487         .driver   = "SandyBridge" "-" TYPE_X86_CPU,\
488         .property = "xlevel",\
489         .value    = stringify(0x8000000a),\
490     },{\
491         .driver   = "IvyBridge" "-" TYPE_X86_CPU,\
492         .property = "xlevel",\
493         .value    = stringify(0x8000000a),\
494     },{\
495         .driver   = "Haswell" "-" TYPE_X86_CPU,\
496         .property = "xlevel",\
497         .value    = stringify(0x8000000a),\
498     },{\
499         .driver   = "Haswell-noTSX" "-" TYPE_X86_CPU,\
500         .property = "xlevel",\
501         .value    = stringify(0x8000000a),\
502     },{\
503         .driver   = "Broadwell" "-" TYPE_X86_CPU,\
504         .property = "xlevel",\
505         .value    = stringify(0x8000000a),\
506     },{\
507         .driver   = "Broadwell-noTSX" "-" TYPE_X86_CPU,\
508         .property = "xlevel",\
509         .value    = stringify(0x8000000a),\
510     },
511 
512 #define PC_COMPAT_2_2 \
513     PC_COMPAT_2_3 \
514     HW_COMPAT_2_2 \
515     {\
516         .driver = "kvm64" "-" TYPE_X86_CPU,\
517         .property = "vme",\
518         .value = "off",\
519     },\
520     {\
521         .driver = "kvm32" "-" TYPE_X86_CPU,\
522         .property = "vme",\
523         .value = "off",\
524     },\
525     {\
526         .driver = "Conroe" "-" TYPE_X86_CPU,\
527         .property = "vme",\
528         .value = "off",\
529     },\
530     {\
531         .driver = "Penryn" "-" TYPE_X86_CPU,\
532         .property = "vme",\
533         .value = "off",\
534     },\
535     {\
536         .driver = "Nehalem" "-" TYPE_X86_CPU,\
537         .property = "vme",\
538         .value = "off",\
539     },\
540     {\
541         .driver = "Westmere" "-" TYPE_X86_CPU,\
542         .property = "vme",\
543         .value = "off",\
544     },\
545     {\
546         .driver = "SandyBridge" "-" TYPE_X86_CPU,\
547         .property = "vme",\
548         .value = "off",\
549     },\
550     {\
551         .driver = "Haswell" "-" TYPE_X86_CPU,\
552         .property = "vme",\
553         .value = "off",\
554     },\
555     {\
556         .driver = "Broadwell" "-" TYPE_X86_CPU,\
557         .property = "vme",\
558         .value = "off",\
559     },\
560     {\
561         .driver = "Opteron_G1" "-" TYPE_X86_CPU,\
562         .property = "vme",\
563         .value = "off",\
564     },\
565     {\
566         .driver = "Opteron_G2" "-" TYPE_X86_CPU,\
567         .property = "vme",\
568         .value = "off",\
569     },\
570     {\
571         .driver = "Opteron_G3" "-" TYPE_X86_CPU,\
572         .property = "vme",\
573         .value = "off",\
574     },\
575     {\
576         .driver = "Opteron_G4" "-" TYPE_X86_CPU,\
577         .property = "vme",\
578         .value = "off",\
579     },\
580     {\
581         .driver = "Opteron_G5" "-" TYPE_X86_CPU,\
582         .property = "vme",\
583         .value = "off",\
584     },\
585     {\
586         .driver = "Haswell" "-" TYPE_X86_CPU,\
587         .property = "f16c",\
588         .value = "off",\
589     },\
590     {\
591         .driver = "Haswell" "-" TYPE_X86_CPU,\
592         .property = "rdrand",\
593         .value = "off",\
594     },\
595     {\
596         .driver = "Broadwell" "-" TYPE_X86_CPU,\
597         .property = "f16c",\
598         .value = "off",\
599     },\
600     {\
601         .driver = "Broadwell" "-" TYPE_X86_CPU,\
602         .property = "rdrand",\
603         .value = "off",\
604     },
605 
606 #define PC_COMPAT_2_1 \
607     PC_COMPAT_2_2 \
608     HW_COMPAT_2_1 \
609     {\
610         .driver = "coreduo" "-" TYPE_X86_CPU,\
611         .property = "vmx",\
612         .value = "on",\
613     },\
614     {\
615         .driver = "core2duo" "-" TYPE_X86_CPU,\
616         .property = "vmx",\
617         .value = "on",\
618     },
619 
620 #define PC_COMPAT_2_0 \
621     PC_COMPAT_2_1 \
622     {\
623         .driver   = "virtio-scsi-pci",\
624         .property = "any_layout",\
625         .value    = "off",\
626     },{\
627         .driver   = "PIIX4_PM",\
628         .property = "memory-hotplug-support",\
629         .value    = "off",\
630     },\
631     {\
632         .driver   = "apic",\
633         .property = "version",\
634         .value    = stringify(0x11),\
635     },\
636     {\
637         .driver   = "nec-usb-xhci",\
638         .property = "superspeed-ports-first",\
639         .value    = "off",\
640     },\
641     {\
642         .driver   = "nec-usb-xhci",\
643         .property = "force-pcie-endcap",\
644         .value    = "on",\
645     },\
646     {\
647         .driver   = "pci-serial",\
648         .property = "prog_if",\
649         .value    = stringify(0),\
650     },\
651     {\
652         .driver   = "pci-serial-2x",\
653         .property = "prog_if",\
654         .value    = stringify(0),\
655     },\
656     {\
657         .driver   = "pci-serial-4x",\
658         .property = "prog_if",\
659         .value    = stringify(0),\
660     },\
661     {\
662         .driver   = "virtio-net-pci",\
663         .property = "guest_announce",\
664         .value    = "off",\
665     },\
666     {\
667         .driver   = "ICH9-LPC",\
668         .property = "memory-hotplug-support",\
669         .value    = "off",\
670     },{\
671         .driver   = "xio3130-downstream",\
672         .property = COMPAT_PROP_PCP,\
673         .value    = "off",\
674     },{\
675         .driver   = "ioh3420",\
676         .property = COMPAT_PROP_PCP,\
677         .value    = "off",\
678     },
679 
680 #define PC_COMPAT_1_7 \
681     PC_COMPAT_2_0 \
682     {\
683         .driver   = TYPE_USB_DEVICE,\
684         .property = "msos-desc",\
685         .value    = "no",\
686     },\
687     {\
688         .driver   = "PIIX4_PM",\
689         .property = "acpi-pci-hotplug-with-bridge-support",\
690         .value    = "off",\
691     },\
692     {\
693         .driver   = "hpet",\
694         .property = HPET_INTCAP,\
695         .value    = stringify(4),\
696     },
697 
698 #define PC_COMPAT_1_6 \
699     PC_COMPAT_1_7 \
700     {\
701         .driver   = "e1000",\
702         .property = "mitigation",\
703         .value    = "off",\
704     },{\
705         .driver   = "qemu64-" TYPE_X86_CPU,\
706         .property = "model",\
707         .value    = stringify(2),\
708     },{\
709         .driver   = "qemu32-" TYPE_X86_CPU,\
710         .property = "model",\
711         .value    = stringify(3),\
712     },{\
713         .driver   = "i440FX-pcihost",\
714         .property = "short_root_bus",\
715         .value    = stringify(1),\
716     },{\
717         .driver   = "q35-pcihost",\
718         .property = "short_root_bus",\
719         .value    = stringify(1),\
720     },
721 
722 #define PC_COMPAT_1_5 \
723     PC_COMPAT_1_6 \
724     {\
725         .driver   = "Conroe-" TYPE_X86_CPU,\
726         .property = "model",\
727         .value    = stringify(2),\
728     },{\
729         .driver   = "Conroe-" TYPE_X86_CPU,\
730         .property = "level",\
731         .value    = stringify(2),\
732     },{\
733         .driver   = "Penryn-" TYPE_X86_CPU,\
734         .property = "model",\
735         .value    = stringify(2),\
736     },{\
737         .driver   = "Penryn-" TYPE_X86_CPU,\
738         .property = "level",\
739         .value    = stringify(2),\
740     },{\
741         .driver   = "Nehalem-" TYPE_X86_CPU,\
742         .property = "model",\
743         .value    = stringify(2),\
744     },{\
745         .driver   = "Nehalem-" TYPE_X86_CPU,\
746         .property = "level",\
747         .value    = stringify(2),\
748     },{\
749         .driver   = "virtio-net-pci",\
750         .property = "any_layout",\
751         .value    = "off",\
752     },{\
753         .driver = TYPE_X86_CPU,\
754         .property = "pmu",\
755         .value = "on",\
756     },{\
757         .driver   = "i440FX-pcihost",\
758         .property = "short_root_bus",\
759         .value    = stringify(0),\
760     },{\
761         .driver   = "q35-pcihost",\
762         .property = "short_root_bus",\
763         .value    = stringify(0),\
764     },
765 
766 #define PC_COMPAT_1_4 \
767     PC_COMPAT_1_5 \
768     {\
769         .driver   = "scsi-hd",\
770         .property = "discard_granularity",\
771         .value    = stringify(0),\
772     },{\
773         .driver   = "scsi-cd",\
774         .property = "discard_granularity",\
775         .value    = stringify(0),\
776     },{\
777         .driver   = "scsi-disk",\
778         .property = "discard_granularity",\
779         .value    = stringify(0),\
780     },{\
781         .driver   = "ide-hd",\
782         .property = "discard_granularity",\
783         .value    = stringify(0),\
784     },{\
785         .driver   = "ide-cd",\
786         .property = "discard_granularity",\
787         .value    = stringify(0),\
788     },{\
789         .driver   = "ide-drive",\
790         .property = "discard_granularity",\
791         .value    = stringify(0),\
792     },{\
793         .driver   = "virtio-blk-pci",\
794         .property = "discard_granularity",\
795         .value    = stringify(0),\
796     },{\
797         .driver   = "virtio-serial-pci",\
798         .property = "vectors",\
799         /* DEV_NVECTORS_UNSPECIFIED as a uint32_t string */\
800         .value    = stringify(0xFFFFFFFF),\
801     },{ \
802         .driver   = "virtio-net-pci", \
803         .property = "ctrl_guest_offloads", \
804         .value    = "off", \
805     },{\
806         .driver   = "e1000",\
807         .property = "romfile",\
808         .value    = "pxe-e1000.rom",\
809     },{\
810         .driver   = "ne2k_pci",\
811         .property = "romfile",\
812         .value    = "pxe-ne2k_pci.rom",\
813     },{\
814         .driver   = "pcnet",\
815         .property = "romfile",\
816         .value    = "pxe-pcnet.rom",\
817     },{\
818         .driver   = "rtl8139",\
819         .property = "romfile",\
820         .value    = "pxe-rtl8139.rom",\
821     },{\
822         .driver   = "virtio-net-pci",\
823         .property = "romfile",\
824         .value    = "pxe-virtio.rom",\
825     },{\
826         .driver   = "486-" TYPE_X86_CPU,\
827         .property = "model",\
828         .value    = stringify(0),\
829     },\
830     {\
831         .driver = "n270" "-" TYPE_X86_CPU,\
832         .property = "movbe",\
833         .value = "off",\
834     },\
835     {\
836         .driver = "Westmere" "-" TYPE_X86_CPU,\
837         .property = "pclmulqdq",\
838         .value = "off",\
839     },
840 
841 #define DEFINE_PC_MACHINE(suffix, namestr, initfn, optsfn) \
842     static void pc_machine_##suffix##_class_init(ObjectClass *oc, void *data) \
843     { \
844         MachineClass *mc = MACHINE_CLASS(oc); \
845         optsfn(mc); \
846         mc->name = namestr; \
847         mc->init = initfn; \
848     } \
849     static const TypeInfo pc_machine_type_##suffix = { \
850         .name       = namestr TYPE_MACHINE_SUFFIX, \
851         .parent     = TYPE_PC_MACHINE, \
852         .class_init = pc_machine_##suffix##_class_init, \
853     }; \
854     static void pc_machine_init_##suffix(void) \
855     { \
856         type_register(&pc_machine_type_##suffix); \
857     } \
858     machine_init(pc_machine_init_##suffix)
859 
860 extern void igd_passthrough_isa_bridge_create(PCIBus *bus, uint16_t gpu_dev_id);
861 #endif
862