xref: /openbmc/qemu/include/hw/i386/pc.h (revision f1f7e4bf)
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     HotplugHandler *(*get_hotplug_handler)(MachineState *machine,
64                                            DeviceState *dev);
65 };
66 
67 #define TYPE_PC_MACHINE "generic-pc-machine"
68 #define PC_MACHINE(obj) \
69     OBJECT_CHECK(PCMachineState, (obj), TYPE_PC_MACHINE)
70 #define PC_MACHINE_GET_CLASS(obj) \
71     OBJECT_GET_CLASS(PCMachineClass, (obj), TYPE_PC_MACHINE)
72 #define PC_MACHINE_CLASS(klass) \
73     OBJECT_CLASS_CHECK(PCMachineClass, (klass), TYPE_PC_MACHINE)
74 
75 /* PC-style peripherals (also used by other machines).  */
76 
77 typedef struct PcPciInfo {
78     Range w32;
79     Range w64;
80 } PcPciInfo;
81 
82 #define ACPI_PM_PROP_S3_DISABLED "disable_s3"
83 #define ACPI_PM_PROP_S4_DISABLED "disable_s4"
84 #define ACPI_PM_PROP_S4_VAL "s4_val"
85 #define ACPI_PM_PROP_SCI_INT "sci_int"
86 #define ACPI_PM_PROP_ACPI_ENABLE_CMD "acpi_enable_cmd"
87 #define ACPI_PM_PROP_ACPI_DISABLE_CMD "acpi_disable_cmd"
88 #define ACPI_PM_PROP_PM_IO_BASE "pm_io_base"
89 #define ACPI_PM_PROP_GPE0_BLK "gpe0_blk"
90 #define ACPI_PM_PROP_GPE0_BLK_LEN "gpe0_blk_len"
91 #define ACPI_PM_PROP_TCO_ENABLED "enable_tco"
92 
93 struct PcGuestInfo {
94     bool isapc_ram_fw;
95     hwaddr ram_size, ram_size_below_4g;
96     unsigned apic_id_limit;
97     bool apic_xrupt_override;
98     uint64_t numa_nodes;
99     uint64_t *node_mem;
100     uint64_t *node_cpu;
101     FWCfgState *fw_cfg;
102     int legacy_acpi_table_size;
103     bool has_acpi_build;
104     bool has_reserved_memory;
105     bool rsdp_in_ram;
106 };
107 
108 /* parallel.c */
109 
110 void parallel_hds_isa_init(ISABus *bus, int n);
111 
112 bool parallel_mm_init(MemoryRegion *address_space,
113                       hwaddr base, int it_shift, qemu_irq irq,
114                       CharDriverState *chr);
115 
116 /* i8259.c */
117 
118 extern DeviceState *isa_pic;
119 qemu_irq *i8259_init(ISABus *bus, qemu_irq parent_irq);
120 qemu_irq *kvm_i8259_init(ISABus *bus);
121 int pic_read_irq(DeviceState *d);
122 int pic_get_output(DeviceState *d);
123 void hmp_info_pic(Monitor *mon, const QDict *qdict);
124 void hmp_info_irq(Monitor *mon, const QDict *qdict);
125 
126 /* ioapic.c */
127 
128 void kvm_ioapic_dump_state(Monitor *mon, const QDict *qdict);
129 void ioapic_dump_state(Monitor *mon, const QDict *qdict);
130 
131 /* Global System Interrupts */
132 
133 #define GSI_NUM_PINS IOAPIC_NUM_PINS
134 
135 typedef struct GSIState {
136     qemu_irq i8259_irq[ISA_NUM_IRQS];
137     qemu_irq ioapic_irq[IOAPIC_NUM_PINS];
138 } GSIState;
139 
140 void gsi_handler(void *opaque, int n, int level);
141 
142 /* vmport.c */
143 typedef uint32_t (VMPortReadFunc)(void *opaque, uint32_t address);
144 
145 static inline void vmport_init(ISABus *bus)
146 {
147     isa_create_simple(bus, "vmport");
148 }
149 
150 void vmport_register(unsigned char command, VMPortReadFunc *func, void *opaque);
151 void vmmouse_get_data(uint32_t *data);
152 void vmmouse_set_data(const uint32_t *data);
153 
154 /* pckbd.c */
155 
156 void i8042_init(qemu_irq kbd_irq, qemu_irq mouse_irq, uint32_t io_base);
157 void i8042_mm_init(qemu_irq kbd_irq, qemu_irq mouse_irq,
158                    MemoryRegion *region, ram_addr_t size,
159                    hwaddr mask);
160 void i8042_isa_mouse_fake_event(void *opaque);
161 void i8042_setup_a20_line(ISADevice *dev, qemu_irq *a20_out);
162 
163 /* pc.c */
164 extern int fd_bootchk;
165 
166 bool pc_machine_is_smm_enabled(PCMachineState *pcms);
167 void pc_register_ferr_irq(qemu_irq irq);
168 void pc_acpi_smi_interrupt(void *opaque, int irq, int level);
169 
170 void pc_cpus_init(PCMachineState *pcms);
171 void pc_hot_add_cpu(const int64_t id, Error **errp);
172 void pc_acpi_init(const char *default_dsdt);
173 
174 PcGuestInfo *pc_guest_info_init(PCMachineState *pcms);
175 
176 void pc_set_legacy_acpi_data_size(void);
177 
178 #define PCI_HOST_PROP_PCI_HOLE_START   "pci-hole-start"
179 #define PCI_HOST_PROP_PCI_HOLE_END     "pci-hole-end"
180 #define PCI_HOST_PROP_PCI_HOLE64_START "pci-hole64-start"
181 #define PCI_HOST_PROP_PCI_HOLE64_END   "pci-hole64-end"
182 #define PCI_HOST_PROP_PCI_HOLE64_SIZE  "pci-hole64-size"
183 #define DEFAULT_PCI_HOLE64_SIZE (~0x0ULL)
184 
185 
186 void pc_pci_as_mapping_init(Object *owner, MemoryRegion *system_memory,
187                             MemoryRegion *pci_address_space);
188 
189 FWCfgState *xen_load_linux(PCMachineState *pcms,
190                            PcGuestInfo *guest_info);
191 FWCfgState *pc_memory_init(PCMachineState *pcms,
192                            MemoryRegion *system_memory,
193                            MemoryRegion *rom_memory,
194                            MemoryRegion **ram_memory,
195                            PcGuestInfo *guest_info);
196 qemu_irq pc_allocate_cpu_irq(void);
197 DeviceState *pc_vga_init(ISABus *isa_bus, PCIBus *pci_bus);
198 void pc_basic_device_init(ISABus *isa_bus, qemu_irq *gsi,
199                           ISADevice **rtc_state,
200                           bool create_fdctrl,
201                           bool no_vmport,
202                           uint32 hpet_irqs);
203 void pc_init_ne2k_isa(ISABus *bus, NICInfo *nd);
204 void pc_cmos_init(PCMachineState *pcms,
205                   BusState *ide0, BusState *ide1,
206                   ISADevice *s);
207 void pc_nic_init(ISABus *isa_bus, PCIBus *pci_bus);
208 void pc_pci_device_init(PCIBus *pci_bus);
209 
210 typedef void (*cpu_set_smm_t)(int smm, void *arg);
211 
212 void ioapic_init_gsi(GSIState *gsi_state, const char *parent_name);
213 
214 /* acpi_piix.c */
215 
216 I2CBus *piix4_pm_init(PCIBus *bus, int devfn, uint32_t smb_io_base,
217                       qemu_irq sci_irq, qemu_irq smi_irq,
218                       int smm_enabled, DeviceState **piix4_pm);
219 void piix4_smbus_register_device(SMBusDevice *dev, uint8_t addr);
220 
221 /* hpet.c */
222 extern int no_hpet;
223 
224 /* piix_pci.c */
225 struct PCII440FXState;
226 typedef struct PCII440FXState PCII440FXState;
227 
228 #define TYPE_I440FX_PCI_HOST_BRIDGE "i440FX-pcihost"
229 #define TYPE_I440FX_PCI_DEVICE "i440FX"
230 
231 #define TYPE_IGD_PASSTHROUGH_I440FX_PCI_DEVICE "igd-passthrough-i440FX"
232 
233 PCIBus *i440fx_init(const char *host_type, const char *pci_type,
234                     PCII440FXState **pi440fx_state, int *piix_devfn,
235                     ISABus **isa_bus, qemu_irq *pic,
236                     MemoryRegion *address_space_mem,
237                     MemoryRegion *address_space_io,
238                     ram_addr_t ram_size,
239                     ram_addr_t below_4g_mem_size,
240                     ram_addr_t above_4g_mem_size,
241                     MemoryRegion *pci_memory,
242                     MemoryRegion *ram_memory);
243 
244 PCIBus *find_i440fx(void);
245 /* piix4.c */
246 extern PCIDevice *piix4_dev;
247 int piix4_init(PCIBus *bus, ISABus **isa_bus, int devfn);
248 
249 /* vga.c */
250 enum vga_retrace_method {
251     VGA_RETRACE_DUMB,
252     VGA_RETRACE_PRECISE
253 };
254 
255 extern enum vga_retrace_method vga_retrace_method;
256 
257 int isa_vga_mm_init(hwaddr vram_base,
258                     hwaddr ctrl_base, int it_shift,
259                     MemoryRegion *address_space);
260 
261 /* ne2000.c */
262 static inline bool isa_ne2000_init(ISABus *bus, int base, int irq, NICInfo *nd)
263 {
264     DeviceState *dev;
265     ISADevice *isadev;
266 
267     qemu_check_nic_model(nd, "ne2k_isa");
268 
269     isadev = isa_try_create(bus, "ne2k_isa");
270     if (!isadev) {
271         return false;
272     }
273     dev = DEVICE(isadev);
274     qdev_prop_set_uint32(dev, "iobase", base);
275     qdev_prop_set_uint32(dev, "irq",    irq);
276     qdev_set_nic_properties(dev, nd);
277     qdev_init_nofail(dev);
278     return true;
279 }
280 
281 /* pc_sysfw.c */
282 void pc_system_firmware_init(MemoryRegion *rom_memory,
283                              bool isapc_ram_fw);
284 
285 /* pvpanic.c */
286 uint16_t pvpanic_port(void);
287 
288 /* e820 types */
289 #define E820_RAM        1
290 #define E820_RESERVED   2
291 #define E820_ACPI       3
292 #define E820_NVS        4
293 #define E820_UNUSABLE   5
294 
295 int e820_add_entry(uint64_t, uint64_t, uint32_t);
296 int e820_get_num_entries(void);
297 bool e820_get_entry(int, uint32_t, uint64_t *, uint64_t *);
298 
299 #define PC_COMPAT_2_4 \
300         HW_COMPAT_2_4 \
301         {\
302             .driver   = "Haswell-" TYPE_X86_CPU,\
303             .property = "abm",\
304             .value    = "off",\
305         },\
306         {\
307             .driver   = "Haswell-noTSX-" TYPE_X86_CPU,\
308             .property = "abm",\
309             .value    = "off",\
310         },\
311         {\
312             .driver   = "Broadwell-" TYPE_X86_CPU,\
313             .property = "abm",\
314             .value    = "off",\
315         },\
316         {\
317             .driver   = "Broadwell-noTSX-" TYPE_X86_CPU,\
318             .property = "abm",\
319             .value    = "off",\
320         },\
321         {\
322             .driver   = "host" "-" TYPE_X86_CPU,\
323             .property = "host-cache-info",\
324             .value    = "on",\
325         },\
326         {\
327             .driver   = TYPE_X86_CPU,\
328             .property = "check",\
329             .value    = "off",\
330         },\
331         {\
332             .driver   = "qemu64" "-" TYPE_X86_CPU,\
333             .property = "sse4a",\
334             .value    = "on",\
335         },\
336         {\
337             .driver   = "qemu64" "-" TYPE_X86_CPU,\
338             .property = "abm",\
339             .value    = "on",\
340         },\
341         {\
342             .driver   = "qemu64" "-" TYPE_X86_CPU,\
343             .property = "popcnt",\
344             .value    = "on",\
345         },\
346         {\
347             .driver   = "qemu32" "-" TYPE_X86_CPU,\
348             .property = "popcnt",\
349             .value    = "on",\
350         },{\
351             .driver   = "Opteron_G2" "-" TYPE_X86_CPU,\
352             .property = "rdtscp",\
353             .value    = "on",\
354         },{\
355             .driver   = "Opteron_G3" "-" TYPE_X86_CPU,\
356             .property = "rdtscp",\
357             .value    = "on",\
358         },{\
359             .driver   = "Opteron_G4" "-" TYPE_X86_CPU,\
360             .property = "rdtscp",\
361             .value    = "on",\
362         },{\
363             .driver   = "Opteron_G5" "-" TYPE_X86_CPU,\
364             .property = "rdtscp",\
365             .value    = "on",\
366         },
367 
368 
369 #define PC_COMPAT_2_3 \
370         PC_COMPAT_2_4 \
371         HW_COMPAT_2_3 \
372         {\
373             .driver   = TYPE_X86_CPU,\
374             .property = "arat",\
375             .value    = "off",\
376         },{\
377             .driver   = "qemu64" "-" TYPE_X86_CPU,\
378             .property = "level",\
379             .value    = stringify(4),\
380         },{\
381             .driver   = "kvm64" "-" TYPE_X86_CPU,\
382             .property = "level",\
383             .value    = stringify(5),\
384         },{\
385             .driver   = "pentium3" "-" TYPE_X86_CPU,\
386             .property = "level",\
387             .value    = stringify(2),\
388         },{\
389             .driver   = "n270" "-" TYPE_X86_CPU,\
390             .property = "level",\
391             .value    = stringify(5),\
392         },{\
393             .driver   = "Conroe" "-" TYPE_X86_CPU,\
394             .property = "level",\
395             .value    = stringify(4),\
396         },{\
397             .driver   = "Penryn" "-" TYPE_X86_CPU,\
398             .property = "level",\
399             .value    = stringify(4),\
400         },{\
401             .driver   = "Nehalem" "-" TYPE_X86_CPU,\
402             .property = "level",\
403             .value    = stringify(4),\
404         },{\
405             .driver   = "n270" "-" TYPE_X86_CPU,\
406             .property = "xlevel",\
407             .value    = stringify(0x8000000a),\
408         },{\
409             .driver   = "Penryn" "-" TYPE_X86_CPU,\
410             .property = "xlevel",\
411             .value    = stringify(0x8000000a),\
412         },{\
413             .driver   = "Conroe" "-" TYPE_X86_CPU,\
414             .property = "xlevel",\
415             .value    = stringify(0x8000000a),\
416         },{\
417             .driver   = "Nehalem" "-" TYPE_X86_CPU,\
418             .property = "xlevel",\
419             .value    = stringify(0x8000000a),\
420         },{\
421             .driver   = "Westmere" "-" TYPE_X86_CPU,\
422             .property = "xlevel",\
423             .value    = stringify(0x8000000a),\
424         },{\
425             .driver   = "SandyBridge" "-" TYPE_X86_CPU,\
426             .property = "xlevel",\
427             .value    = stringify(0x8000000a),\
428         },{\
429             .driver   = "IvyBridge" "-" TYPE_X86_CPU,\
430             .property = "xlevel",\
431             .value    = stringify(0x8000000a),\
432         },{\
433             .driver   = "Haswell" "-" TYPE_X86_CPU,\
434             .property = "xlevel",\
435             .value    = stringify(0x8000000a),\
436         },{\
437             .driver   = "Haswell-noTSX" "-" TYPE_X86_CPU,\
438             .property = "xlevel",\
439             .value    = stringify(0x8000000a),\
440         },{\
441             .driver   = "Broadwell" "-" TYPE_X86_CPU,\
442             .property = "xlevel",\
443             .value    = stringify(0x8000000a),\
444         },{\
445             .driver   = "Broadwell-noTSX" "-" TYPE_X86_CPU,\
446             .property = "xlevel",\
447             .value    = stringify(0x8000000a),\
448         },
449 
450 #define PC_COMPAT_2_2 \
451         PC_COMPAT_2_3 \
452         HW_COMPAT_2_2 \
453         {\
454             .driver = "kvm64" "-" TYPE_X86_CPU,\
455             .property = "vme",\
456             .value = "off",\
457         },\
458         {\
459             .driver = "kvm32" "-" TYPE_X86_CPU,\
460             .property = "vme",\
461             .value = "off",\
462         },\
463         {\
464             .driver = "Conroe" "-" TYPE_X86_CPU,\
465             .property = "vme",\
466             .value = "off",\
467         },\
468         {\
469             .driver = "Penryn" "-" TYPE_X86_CPU,\
470             .property = "vme",\
471             .value = "off",\
472         },\
473         {\
474             .driver = "Nehalem" "-" TYPE_X86_CPU,\
475             .property = "vme",\
476             .value = "off",\
477         },\
478         {\
479             .driver = "Westmere" "-" TYPE_X86_CPU,\
480             .property = "vme",\
481             .value = "off",\
482         },\
483         {\
484             .driver = "SandyBridge" "-" TYPE_X86_CPU,\
485             .property = "vme",\
486             .value = "off",\
487         },\
488         {\
489             .driver = "Haswell" "-" TYPE_X86_CPU,\
490             .property = "vme",\
491             .value = "off",\
492         },\
493         {\
494             .driver = "Broadwell" "-" TYPE_X86_CPU,\
495             .property = "vme",\
496             .value = "off",\
497         },\
498         {\
499             .driver = "Opteron_G1" "-" TYPE_X86_CPU,\
500             .property = "vme",\
501             .value = "off",\
502         },\
503         {\
504             .driver = "Opteron_G2" "-" TYPE_X86_CPU,\
505             .property = "vme",\
506             .value = "off",\
507         },\
508         {\
509             .driver = "Opteron_G3" "-" TYPE_X86_CPU,\
510             .property = "vme",\
511             .value = "off",\
512         },\
513         {\
514             .driver = "Opteron_G4" "-" TYPE_X86_CPU,\
515             .property = "vme",\
516             .value = "off",\
517         },\
518         {\
519             .driver = "Opteron_G5" "-" TYPE_X86_CPU,\
520             .property = "vme",\
521             .value = "off",\
522         },\
523         {\
524             .driver = "Haswell" "-" TYPE_X86_CPU,\
525             .property = "f16c",\
526             .value = "off",\
527         },\
528         {\
529             .driver = "Haswell" "-" TYPE_X86_CPU,\
530             .property = "rdrand",\
531             .value = "off",\
532         },\
533         {\
534             .driver = "Broadwell" "-" TYPE_X86_CPU,\
535             .property = "f16c",\
536             .value = "off",\
537         },\
538         {\
539             .driver = "Broadwell" "-" TYPE_X86_CPU,\
540             .property = "rdrand",\
541             .value = "off",\
542         },
543 
544 #define PC_COMPAT_2_1 \
545         PC_COMPAT_2_2 \
546         HW_COMPAT_2_1 \
547         {\
548             .driver = "coreduo" "-" TYPE_X86_CPU,\
549             .property = "vmx",\
550             .value = "on",\
551         },\
552         {\
553             .driver = "core2duo" "-" TYPE_X86_CPU,\
554             .property = "vmx",\
555             .value = "on",\
556         },
557 
558 #define PC_COMPAT_2_0 \
559         PC_COMPAT_2_1 \
560         {\
561             .driver   = "virtio-scsi-pci",\
562             .property = "any_layout",\
563             .value    = "off",\
564         },{\
565             .driver   = "PIIX4_PM",\
566             .property = "memory-hotplug-support",\
567             .value    = "off",\
568         },\
569         {\
570             .driver   = "apic",\
571             .property = "version",\
572             .value    = stringify(0x11),\
573         },\
574         {\
575             .driver   = "nec-usb-xhci",\
576             .property = "superspeed-ports-first",\
577             .value    = "off",\
578         },\
579         {\
580             .driver   = "nec-usb-xhci",\
581             .property = "force-pcie-endcap",\
582             .value    = "on",\
583         },\
584         {\
585             .driver   = "pci-serial",\
586             .property = "prog_if",\
587             .value    = stringify(0),\
588         },\
589         {\
590             .driver   = "pci-serial-2x",\
591             .property = "prog_if",\
592             .value    = stringify(0),\
593         },\
594         {\
595             .driver   = "pci-serial-4x",\
596             .property = "prog_if",\
597             .value    = stringify(0),\
598         },\
599         {\
600             .driver   = "virtio-net-pci",\
601             .property = "guest_announce",\
602             .value    = "off",\
603         },\
604         {\
605             .driver   = "ICH9-LPC",\
606             .property = "memory-hotplug-support",\
607             .value    = "off",\
608         },{\
609             .driver   = "xio3130-downstream",\
610             .property = COMPAT_PROP_PCP,\
611             .value    = "off",\
612         },{\
613             .driver   = "ioh3420",\
614             .property = COMPAT_PROP_PCP,\
615             .value    = "off",\
616         },
617 
618 #define PC_COMPAT_1_7 \
619         PC_COMPAT_2_0 \
620         {\
621             .driver   = TYPE_USB_DEVICE,\
622             .property = "msos-desc",\
623             .value    = "no",\
624         },\
625         {\
626             .driver   = "PIIX4_PM",\
627             .property = "acpi-pci-hotplug-with-bridge-support",\
628             .value    = "off",\
629         },\
630         {\
631             .driver   = "hpet",\
632             .property = HPET_INTCAP,\
633             .value    = stringify(4),\
634         },
635 
636 #define PC_COMPAT_1_6 \
637         PC_COMPAT_1_7 \
638         {\
639             .driver   = "e1000",\
640             .property = "mitigation",\
641             .value    = "off",\
642         },{\
643             .driver   = "qemu64-" TYPE_X86_CPU,\
644             .property = "model",\
645             .value    = stringify(2),\
646         },{\
647             .driver   = "qemu32-" TYPE_X86_CPU,\
648             .property = "model",\
649             .value    = stringify(3),\
650         },{\
651             .driver   = "i440FX-pcihost",\
652             .property = "short_root_bus",\
653             .value    = stringify(1),\
654         },{\
655             .driver   = "q35-pcihost",\
656             .property = "short_root_bus",\
657             .value    = stringify(1),\
658         },
659 
660 #define PC_COMPAT_1_5 \
661         PC_COMPAT_1_6 \
662         {\
663             .driver   = "Conroe-" TYPE_X86_CPU,\
664             .property = "model",\
665             .value    = stringify(2),\
666         },{\
667             .driver   = "Conroe-" TYPE_X86_CPU,\
668             .property = "level",\
669             .value    = stringify(2),\
670         },{\
671             .driver   = "Penryn-" TYPE_X86_CPU,\
672             .property = "model",\
673             .value    = stringify(2),\
674         },{\
675             .driver   = "Penryn-" TYPE_X86_CPU,\
676             .property = "level",\
677             .value    = stringify(2),\
678         },{\
679             .driver   = "Nehalem-" TYPE_X86_CPU,\
680             .property = "model",\
681             .value    = stringify(2),\
682         },{\
683             .driver   = "Nehalem-" TYPE_X86_CPU,\
684             .property = "level",\
685             .value    = stringify(2),\
686         },{\
687             .driver   = "virtio-net-pci",\
688             .property = "any_layout",\
689             .value    = "off",\
690         },{\
691             .driver = TYPE_X86_CPU,\
692             .property = "pmu",\
693             .value = "on",\
694         },{\
695             .driver   = "i440FX-pcihost",\
696             .property = "short_root_bus",\
697             .value    = stringify(0),\
698         },{\
699             .driver   = "q35-pcihost",\
700             .property = "short_root_bus",\
701             .value    = stringify(0),\
702         },
703 
704 #define PC_COMPAT_1_4 \
705         PC_COMPAT_1_5 \
706         {\
707             .driver   = "scsi-hd",\
708             .property = "discard_granularity",\
709             .value    = stringify(0),\
710         },{\
711             .driver   = "scsi-cd",\
712             .property = "discard_granularity",\
713             .value    = stringify(0),\
714         },{\
715             .driver   = "scsi-disk",\
716             .property = "discard_granularity",\
717             .value    = stringify(0),\
718         },{\
719             .driver   = "ide-hd",\
720             .property = "discard_granularity",\
721             .value    = stringify(0),\
722         },{\
723             .driver   = "ide-cd",\
724             .property = "discard_granularity",\
725             .value    = stringify(0),\
726         },{\
727             .driver   = "ide-drive",\
728             .property = "discard_granularity",\
729             .value    = stringify(0),\
730         },{\
731             .driver   = "virtio-blk-pci",\
732             .property = "discard_granularity",\
733             .value    = stringify(0),\
734         },{\
735             .driver   = "virtio-serial-pci",\
736             .property = "vectors",\
737             /* DEV_NVECTORS_UNSPECIFIED as a uint32_t string */\
738             .value    = stringify(0xFFFFFFFF),\
739         },{ \
740             .driver   = "virtio-net-pci", \
741             .property = "ctrl_guest_offloads", \
742             .value    = "off", \
743         },{\
744             .driver   = "e1000",\
745             .property = "romfile",\
746             .value    = "pxe-e1000.rom",\
747         },{\
748             .driver   = "ne2k_pci",\
749             .property = "romfile",\
750             .value    = "pxe-ne2k_pci.rom",\
751         },{\
752             .driver   = "pcnet",\
753             .property = "romfile",\
754             .value    = "pxe-pcnet.rom",\
755         },{\
756             .driver   = "rtl8139",\
757             .property = "romfile",\
758             .value    = "pxe-rtl8139.rom",\
759         },{\
760             .driver   = "virtio-net-pci",\
761             .property = "romfile",\
762             .value    = "pxe-virtio.rom",\
763         },{\
764             .driver   = "486-" TYPE_X86_CPU,\
765             .property = "model",\
766             .value    = stringify(0),\
767         },\
768         {\
769             .driver = "n270" "-" TYPE_X86_CPU,\
770             .property = "movbe",\
771             .value = "off",\
772         },\
773         {\
774             .driver = "Westmere" "-" TYPE_X86_CPU,\
775             .property = "pclmulqdq",\
776             .value = "off",\
777         },
778 
779 #define DEFINE_PC_MACHINE(suffix, namestr, initfn, optsfn) \
780     static void pc_machine_##suffix##_class_init(ObjectClass *oc, void *data) \
781     { \
782         MachineClass *mc = MACHINE_CLASS(oc); \
783         optsfn(mc); \
784         mc->name = namestr; \
785         mc->init = initfn; \
786     } \
787     static const TypeInfo pc_machine_type_##suffix = { \
788         .name       = namestr TYPE_MACHINE_SUFFIX, \
789         .parent     = TYPE_PC_MACHINE, \
790         .class_init = pc_machine_##suffix##_class_init, \
791     }; \
792     static void pc_machine_init_##suffix(void) \
793     { \
794         type_register(&pc_machine_type_##suffix); \
795     } \
796     machine_init(pc_machine_init_##suffix)
797 
798 #define SET_MACHINE_COMPAT(m, COMPAT) do { \
799     static GlobalProperty props[] = { \
800         COMPAT \
801         { /* end of list */ } \
802     }; \
803     (m)->compat_props = props; \
804 } while (0)
805 
806 extern void igd_passthrough_isa_bridge_create(PCIBus *bus, uint16_t gpu_dev_id);
807 #endif
808