xref: /openbmc/qemu/include/hw/i386/pc.h (revision 2f99b9c273ded76211ddb445b273ce854d469033)
1 #ifndef HW_PC_H
2 #define HW_PC_H
3 
4 #include "qemu-common.h"
5 #include "exec/memory.h"
6 #include "hw/boards.h"
7 #include "hw/isa/isa.h"
8 #include "hw/block/fdc.h"
9 #include "net/net.h"
10 #include "hw/i386/ioapic.h"
11 
12 #include "qemu/range.h"
13 #include "qemu/bitmap.h"
14 #include "sysemu/sysemu.h"
15 #include "hw/pci/pci.h"
16 #include "hw/compat.h"
17 #include "hw/mem/pc-dimm.h"
18 #include "hw/mem/nvdimm.h"
19 #include "hw/acpi/acpi_dev_interface.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  * @boot_cpus: number of present VCPUs
27  */
28 struct PCMachineState {
29     /*< private >*/
30     MachineState parent_obj;
31 
32     /* <public> */
33 
34     /* State for other subsystems/APIs: */
35     Notifier machine_done;
36 
37     /* Pointers to devices and objects: */
38     HotplugHandler *acpi_dev;
39     ISADevice *rtc;
40     PCIBus *bus;
41     FWCfgState *fw_cfg;
42     qemu_irq *gsi;
43 
44     /* Configuration options: */
45     uint64_t max_ram_below_4g;
46     OnOffAuto vmport;
47     OnOffAuto smm;
48 
49     AcpiNVDIMMState acpi_nvdimm_state;
50 
51     bool acpi_build_enabled;
52     bool smbus_enabled;
53     bool sata_enabled;
54     bool pit_enabled;
55 
56     /* RAM information (sizes, addresses, configuration): */
57     ram_addr_t below_4g_mem_size, above_4g_mem_size;
58 
59     /* CPU and apic information: */
60     bool apic_xrupt_override;
61     unsigned apic_id_limit;
62     uint16_t boot_cpus;
63 
64     /* NUMA information: */
65     uint64_t numa_nodes;
66     uint64_t *node_mem;
67 
68     /* Address space used by IOAPIC device. All IOAPIC interrupts
69      * will be translated to MSI messages in the address space. */
70     AddressSpace *ioapic_as;
71 };
72 
73 #define PC_MACHINE_ACPI_DEVICE_PROP "acpi-device"
74 #define PC_MACHINE_DEVMEM_REGION_SIZE "device-memory-region-size"
75 #define PC_MACHINE_MAX_RAM_BELOW_4G "max-ram-below-4g"
76 #define PC_MACHINE_VMPORT           "vmport"
77 #define PC_MACHINE_SMM              "smm"
78 #define PC_MACHINE_NVDIMM           "nvdimm"
79 #define PC_MACHINE_NVDIMM_PERSIST   "nvdimm-persistence"
80 #define PC_MACHINE_SMBUS            "smbus"
81 #define PC_MACHINE_SATA             "sata"
82 #define PC_MACHINE_PIT              "pit"
83 
84 /**
85  * PCMachineClass:
86  *
87  * Compat fields:
88  *
89  * @enforce_aligned_dimm: check that DIMM's address/size is aligned by
90  *                        backend's alignment value if provided
91  * @acpi_data_size: Size of the chunk of memory at the top of RAM
92  *                  for the BIOS ACPI tables and other BIOS
93  *                  datastructures.
94  * @gigabyte_align: Make sure that guest addresses aligned at
95  *                  1Gbyte boundaries get mapped to host
96  *                  addresses aligned at 1Gbyte boundaries. This
97  *                  way we can use 1GByte pages in the host.
98  *
99  */
100 struct PCMachineClass {
101     /*< private >*/
102     MachineClass parent_class;
103 
104     /*< public >*/
105 
106     /* Device configuration: */
107     bool pci_enabled;
108     bool kvmclock_enabled;
109     const char *default_nic_model;
110 
111     /* Compat options: */
112 
113     /* ACPI compat: */
114     bool has_acpi_build;
115     bool rsdp_in_ram;
116     int legacy_acpi_table_size;
117     unsigned acpi_data_size;
118 
119     /* SMBIOS compat: */
120     bool smbios_defaults;
121     bool smbios_legacy_mode;
122     bool smbios_uuid_encoded;
123 
124     /* RAM / address space compat: */
125     bool gigabyte_align;
126     bool has_reserved_memory;
127     bool enforce_aligned_dimm;
128     bool broken_reserved_end;
129 
130     /* TSC rate migration: */
131     bool save_tsc_khz;
132     /* generate legacy CPU hotplug AML */
133     bool legacy_cpu_hotplug;
134 
135     /* use DMA capable linuxboot option rom */
136     bool linuxboot_dma_enabled;
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 /* i8259.c */
148 
149 extern DeviceState *isa_pic;
150 qemu_irq *i8259_init(ISABus *bus, qemu_irq parent_irq);
151 qemu_irq *kvm_i8259_init(ISABus *bus);
152 int pic_read_irq(DeviceState *d);
153 int pic_get_output(DeviceState *d);
154 
155 /* ioapic.c */
156 
157 /* Global System Interrupts */
158 
159 #define GSI_NUM_PINS IOAPIC_NUM_PINS
160 
161 typedef struct GSIState {
162     qemu_irq i8259_irq[ISA_NUM_IRQS];
163     qemu_irq ioapic_irq[IOAPIC_NUM_PINS];
164 } GSIState;
165 
166 void gsi_handler(void *opaque, int n, int level);
167 
168 /* vmport.c */
169 #define TYPE_VMPORT "vmport"
170 typedef uint32_t (VMPortReadFunc)(void *opaque, uint32_t address);
171 
172 static inline void vmport_init(ISABus *bus)
173 {
174     isa_create_simple(bus, TYPE_VMPORT);
175 }
176 
177 void vmport_register(unsigned char command, VMPortReadFunc *func, void *opaque);
178 void vmmouse_get_data(uint32_t *data);
179 void vmmouse_set_data(const uint32_t *data);
180 
181 /* pc.c */
182 extern int fd_bootchk;
183 
184 bool pc_machine_is_smm_enabled(PCMachineState *pcms);
185 void pc_register_ferr_irq(qemu_irq irq);
186 void pc_acpi_smi_interrupt(void *opaque, int irq, int level);
187 
188 void pc_cpus_init(PCMachineState *pcms);
189 void pc_hot_add_cpu(const int64_t id, Error **errp);
190 void pc_acpi_init(const char *default_dsdt);
191 
192 void pc_guest_info_init(PCMachineState *pcms);
193 
194 #define PCI_HOST_PROP_PCI_HOLE_START   "pci-hole-start"
195 #define PCI_HOST_PROP_PCI_HOLE_END     "pci-hole-end"
196 #define PCI_HOST_PROP_PCI_HOLE64_START "pci-hole64-start"
197 #define PCI_HOST_PROP_PCI_HOLE64_END   "pci-hole64-end"
198 #define PCI_HOST_PROP_PCI_HOLE64_SIZE  "pci-hole64-size"
199 #define PCI_HOST_BELOW_4G_MEM_SIZE     "below-4g-mem-size"
200 #define PCI_HOST_ABOVE_4G_MEM_SIZE     "above-4g-mem-size"
201 
202 
203 void pc_pci_as_mapping_init(Object *owner, MemoryRegion *system_memory,
204                             MemoryRegion *pci_address_space);
205 
206 void xen_load_linux(PCMachineState *pcms);
207 void pc_memory_init(PCMachineState *pcms,
208                     MemoryRegion *system_memory,
209                     MemoryRegion *rom_memory,
210                     MemoryRegion **ram_memory);
211 uint64_t pc_pci_hole64_start(void);
212 qemu_irq pc_allocate_cpu_irq(void);
213 DeviceState *pc_vga_init(ISABus *isa_bus, PCIBus *pci_bus);
214 void pc_basic_device_init(ISABus *isa_bus, qemu_irq *gsi,
215                           ISADevice **rtc_state,
216                           bool create_fdctrl,
217                           bool no_vmport,
218                           bool has_pit,
219                           uint32_t hpet_irqs);
220 void pc_init_ne2k_isa(ISABus *bus, NICInfo *nd);
221 void pc_cmos_init(PCMachineState *pcms,
222                   BusState *ide0, BusState *ide1,
223                   ISADevice *s);
224 void pc_nic_init(PCMachineClass *pcmc, ISABus *isa_bus, PCIBus *pci_bus);
225 void pc_pci_device_init(PCIBus *pci_bus);
226 
227 typedef void (*cpu_set_smm_t)(int smm, void *arg);
228 
229 void ioapic_init_gsi(GSIState *gsi_state, const char *parent_name);
230 
231 ISADevice *pc_find_fdc0(void);
232 int cmos_get_fd_drive_type(FloppyDriveType fd0);
233 
234 #define FW_CFG_IO_BASE     0x510
235 
236 #define PORT92_A20_LINE "a20"
237 
238 /* acpi_piix.c */
239 
240 I2CBus *piix4_pm_init(PCIBus *bus, int devfn, uint32_t smb_io_base,
241                       qemu_irq sci_irq, qemu_irq smi_irq,
242                       int smm_enabled, DeviceState **piix4_pm);
243 
244 /* hpet.c */
245 extern int no_hpet;
246 
247 /* piix_pci.c */
248 struct PCII440FXState;
249 typedef struct PCII440FXState PCII440FXState;
250 
251 #define TYPE_I440FX_PCI_HOST_BRIDGE "i440FX-pcihost"
252 #define TYPE_I440FX_PCI_DEVICE "i440FX"
253 
254 #define TYPE_IGD_PASSTHROUGH_I440FX_PCI_DEVICE "igd-passthrough-i440FX"
255 
256 /*
257  * Reset Control Register: PCI-accessible ISA-Compatible Register at address
258  * 0xcf9, provided by the PCI/ISA bridge (PIIX3 PCI function 0, 8086:7000).
259  */
260 #define RCR_IOPORT 0xcf9
261 
262 PCIBus *i440fx_init(const char *host_type, const char *pci_type,
263                     PCII440FXState **pi440fx_state, int *piix_devfn,
264                     ISABus **isa_bus, qemu_irq *pic,
265                     MemoryRegion *address_space_mem,
266                     MemoryRegion *address_space_io,
267                     ram_addr_t ram_size,
268                     ram_addr_t below_4g_mem_size,
269                     ram_addr_t above_4g_mem_size,
270                     MemoryRegion *pci_memory,
271                     MemoryRegion *ram_memory);
272 
273 PCIBus *find_i440fx(void);
274 /* piix4.c */
275 extern PCIDevice *piix4_dev;
276 int piix4_init(PCIBus *bus, ISABus **isa_bus, int devfn);
277 
278 /* pc_sysfw.c */
279 void pc_system_firmware_init(MemoryRegion *rom_memory,
280                              bool isapc_ram_fw);
281 
282 /* acpi-build.c */
283 void pc_madt_cpu_entry(AcpiDeviceIf *adev, int uid,
284                        const CPUArchIdList *apic_ids, GArray *entry);
285 
286 /* e820 types */
287 #define E820_RAM        1
288 #define E820_RESERVED   2
289 #define E820_ACPI       3
290 #define E820_NVS        4
291 #define E820_UNUSABLE   5
292 
293 int e820_add_entry(uint64_t, uint64_t, uint32_t);
294 int e820_get_num_entries(void);
295 bool e820_get_entry(int, uint32_t, uint64_t *, uint64_t *);
296 
297 extern GlobalProperty pc_compat_3_1[];
298 extern const size_t pc_compat_3_1_len;
299 
300 extern GlobalProperty pc_compat_3_0[];
301 extern const size_t pc_compat_3_0_len;
302 
303 extern GlobalProperty pc_compat_2_12[];
304 extern const size_t pc_compat_2_12_len;
305 
306 extern GlobalProperty pc_compat_2_11[];
307 extern const size_t pc_compat_2_11_len;
308 
309 extern GlobalProperty pc_compat_2_10[];
310 extern const size_t pc_compat_2_10_len;
311 
312 extern GlobalProperty pc_compat_2_9[];
313 extern const size_t pc_compat_2_9_len;
314 
315 extern GlobalProperty pc_compat_2_8[];
316 extern const size_t pc_compat_2_8_len;
317 
318 extern GlobalProperty pc_compat_2_7[];
319 extern const size_t pc_compat_2_7_len;
320 
321 extern GlobalProperty pc_compat_2_6[];
322 extern const size_t pc_compat_2_6_len;
323 
324 extern GlobalProperty pc_compat_2_5[];
325 extern const size_t pc_compat_2_5_len;
326 
327 extern GlobalProperty pc_compat_2_4[];
328 extern const size_t pc_compat_2_4_len;
329 
330 /* Helper for setting model-id for CPU models that changed model-id
331  * depending on QEMU versions up to QEMU 2.4.
332  */
333 #define PC_CPU_MODEL_IDS(v) \
334     {\
335         .driver   = "qemu32-" TYPE_X86_CPU,\
336         .property = "model-id",\
337         .value    = "QEMU Virtual CPU version " v,\
338     },\
339     {\
340         .driver   = "qemu64-" TYPE_X86_CPU,\
341         .property = "model-id",\
342         .value    = "QEMU Virtual CPU version " v,\
343     },\
344     {\
345         .driver   = "athlon-" TYPE_X86_CPU,\
346         .property = "model-id",\
347         .value    = "QEMU Virtual CPU version " v,\
348     },
349 
350 #define PC_COMPAT_2_3 \
351     HW_COMPAT_2_3 \
352     PC_CPU_MODEL_IDS("2.3.0") \
353     {\
354         .driver   = TYPE_X86_CPU,\
355         .property = "arat",\
356         .value    = "off",\
357     },{\
358         .driver   = "qemu64" "-" TYPE_X86_CPU,\
359         .property = "min-level",\
360         .value    = stringify(4),\
361     },{\
362         .driver   = "kvm64" "-" TYPE_X86_CPU,\
363         .property = "min-level",\
364         .value    = stringify(5),\
365     },{\
366         .driver   = "pentium3" "-" TYPE_X86_CPU,\
367         .property = "min-level",\
368         .value    = stringify(2),\
369     },{\
370         .driver   = "n270" "-" TYPE_X86_CPU,\
371         .property = "min-level",\
372         .value    = stringify(5),\
373     },{\
374         .driver   = "Conroe" "-" TYPE_X86_CPU,\
375         .property = "min-level",\
376         .value    = stringify(4),\
377     },{\
378         .driver   = "Penryn" "-" TYPE_X86_CPU,\
379         .property = "min-level",\
380         .value    = stringify(4),\
381     },{\
382         .driver   = "Nehalem" "-" TYPE_X86_CPU,\
383         .property = "min-level",\
384         .value    = stringify(4),\
385     },{\
386         .driver   = "n270" "-" TYPE_X86_CPU,\
387         .property = "min-xlevel",\
388         .value    = stringify(0x8000000a),\
389     },{\
390         .driver   = "Penryn" "-" TYPE_X86_CPU,\
391         .property = "min-xlevel",\
392         .value    = stringify(0x8000000a),\
393     },{\
394         .driver   = "Conroe" "-" TYPE_X86_CPU,\
395         .property = "min-xlevel",\
396         .value    = stringify(0x8000000a),\
397     },{\
398         .driver   = "Nehalem" "-" TYPE_X86_CPU,\
399         .property = "min-xlevel",\
400         .value    = stringify(0x8000000a),\
401     },{\
402         .driver   = "Westmere" "-" TYPE_X86_CPU,\
403         .property = "min-xlevel",\
404         .value    = stringify(0x8000000a),\
405     },{\
406         .driver   = "SandyBridge" "-" TYPE_X86_CPU,\
407         .property = "min-xlevel",\
408         .value    = stringify(0x8000000a),\
409     },{\
410         .driver   = "IvyBridge" "-" TYPE_X86_CPU,\
411         .property = "min-xlevel",\
412         .value    = stringify(0x8000000a),\
413     },{\
414         .driver   = "Haswell" "-" TYPE_X86_CPU,\
415         .property = "min-xlevel",\
416         .value    = stringify(0x8000000a),\
417     },{\
418         .driver   = "Haswell-noTSX" "-" TYPE_X86_CPU,\
419         .property = "min-xlevel",\
420         .value    = stringify(0x8000000a),\
421     },{\
422         .driver   = "Broadwell" "-" TYPE_X86_CPU,\
423         .property = "min-xlevel",\
424         .value    = stringify(0x8000000a),\
425     },{\
426         .driver   = "Broadwell-noTSX" "-" TYPE_X86_CPU,\
427         .property = "min-xlevel",\
428         .value    = stringify(0x8000000a),\
429     },{\
430         .driver = TYPE_X86_CPU,\
431         .property = "kvm-no-smi-migration",\
432         .value    = "on",\
433     },
434 
435 #define PC_COMPAT_2_2 \
436     HW_COMPAT_2_2 \
437     PC_CPU_MODEL_IDS("2.2.0") \
438     {\
439         .driver = "kvm64" "-" TYPE_X86_CPU,\
440         .property = "vme",\
441         .value = "off",\
442     },\
443     {\
444         .driver = "kvm32" "-" TYPE_X86_CPU,\
445         .property = "vme",\
446         .value = "off",\
447     },\
448     {\
449         .driver = "Conroe" "-" TYPE_X86_CPU,\
450         .property = "vme",\
451         .value = "off",\
452     },\
453     {\
454         .driver = "Penryn" "-" TYPE_X86_CPU,\
455         .property = "vme",\
456         .value = "off",\
457     },\
458     {\
459         .driver = "Nehalem" "-" TYPE_X86_CPU,\
460         .property = "vme",\
461         .value = "off",\
462     },\
463     {\
464         .driver = "Westmere" "-" TYPE_X86_CPU,\
465         .property = "vme",\
466         .value = "off",\
467     },\
468     {\
469         .driver = "SandyBridge" "-" TYPE_X86_CPU,\
470         .property = "vme",\
471         .value = "off",\
472     },\
473     {\
474         .driver = "Haswell" "-" TYPE_X86_CPU,\
475         .property = "vme",\
476         .value = "off",\
477     },\
478     {\
479         .driver = "Broadwell" "-" TYPE_X86_CPU,\
480         .property = "vme",\
481         .value = "off",\
482     },\
483     {\
484         .driver = "Opteron_G1" "-" TYPE_X86_CPU,\
485         .property = "vme",\
486         .value = "off",\
487     },\
488     {\
489         .driver = "Opteron_G2" "-" TYPE_X86_CPU,\
490         .property = "vme",\
491         .value = "off",\
492     },\
493     {\
494         .driver = "Opteron_G3" "-" TYPE_X86_CPU,\
495         .property = "vme",\
496         .value = "off",\
497     },\
498     {\
499         .driver = "Opteron_G4" "-" TYPE_X86_CPU,\
500         .property = "vme",\
501         .value = "off",\
502     },\
503     {\
504         .driver = "Opteron_G5" "-" TYPE_X86_CPU,\
505         .property = "vme",\
506         .value = "off",\
507     },\
508     {\
509         .driver = "Haswell" "-" TYPE_X86_CPU,\
510         .property = "f16c",\
511         .value = "off",\
512     },\
513     {\
514         .driver = "Haswell" "-" TYPE_X86_CPU,\
515         .property = "rdrand",\
516         .value = "off",\
517     },\
518     {\
519         .driver = "Broadwell" "-" TYPE_X86_CPU,\
520         .property = "f16c",\
521         .value = "off",\
522     },\
523     {\
524         .driver = "Broadwell" "-" TYPE_X86_CPU,\
525         .property = "rdrand",\
526         .value = "off",\
527     },
528 
529 #define PC_COMPAT_2_1 \
530     HW_COMPAT_2_1 \
531     PC_CPU_MODEL_IDS("2.1.0") \
532     {\
533         .driver = "coreduo" "-" TYPE_X86_CPU,\
534         .property = "vmx",\
535         .value = "on",\
536     },\
537     {\
538         .driver = "core2duo" "-" TYPE_X86_CPU,\
539         .property = "vmx",\
540         .value = "on",\
541     },
542 
543 #define PC_COMPAT_2_0 \
544     PC_CPU_MODEL_IDS("2.0.0") \
545     {\
546         .driver   = "virtio-scsi-pci",\
547         .property = "any_layout",\
548         .value    = "off",\
549     },{\
550         .driver   = "PIIX4_PM",\
551         .property = "memory-hotplug-support",\
552         .value    = "off",\
553     },\
554     {\
555         .driver   = "apic",\
556         .property = "version",\
557         .value    = stringify(0x11),\
558     },\
559     {\
560         .driver   = "nec-usb-xhci",\
561         .property = "superspeed-ports-first",\
562         .value    = "off",\
563     },\
564     {\
565         .driver   = "nec-usb-xhci",\
566         .property = "force-pcie-endcap",\
567         .value    = "on",\
568     },\
569     {\
570         .driver   = "pci-serial",\
571         .property = "prog_if",\
572         .value    = stringify(0),\
573     },\
574     {\
575         .driver   = "pci-serial-2x",\
576         .property = "prog_if",\
577         .value    = stringify(0),\
578     },\
579     {\
580         .driver   = "pci-serial-4x",\
581         .property = "prog_if",\
582         .value    = stringify(0),\
583     },\
584     {\
585         .driver   = "virtio-net-pci",\
586         .property = "guest_announce",\
587         .value    = "off",\
588     },\
589     {\
590         .driver   = "ICH9-LPC",\
591         .property = "memory-hotplug-support",\
592         .value    = "off",\
593     },{\
594         .driver   = "xio3130-downstream",\
595         .property = COMPAT_PROP_PCP,\
596         .value    = "off",\
597     },{\
598         .driver   = "ioh3420",\
599         .property = COMPAT_PROP_PCP,\
600         .value    = "off",\
601     },
602 
603 #define PC_COMPAT_1_7 \
604     PC_CPU_MODEL_IDS("1.7.0") \
605     {\
606         .driver   = TYPE_USB_DEVICE,\
607         .property = "msos-desc",\
608         .value    = "no",\
609     },\
610     {\
611         .driver   = "PIIX4_PM",\
612         .property = "acpi-pci-hotplug-with-bridge-support",\
613         .value    = "off",\
614     },\
615     {\
616         .driver   = "hpet",\
617         .property = HPET_INTCAP,\
618         .value    = stringify(4),\
619     },
620 
621 #define PC_COMPAT_1_6 \
622     PC_CPU_MODEL_IDS("1.6.0") \
623     {\
624         .driver   = "e1000",\
625         .property = "mitigation",\
626         .value    = "off",\
627     },{\
628         .driver   = "qemu64-" TYPE_X86_CPU,\
629         .property = "model",\
630         .value    = stringify(2),\
631     },{\
632         .driver   = "qemu32-" TYPE_X86_CPU,\
633         .property = "model",\
634         .value    = stringify(3),\
635     },{\
636         .driver   = "i440FX-pcihost",\
637         .property = "short_root_bus",\
638         .value    = stringify(1),\
639     },{\
640         .driver   = "q35-pcihost",\
641         .property = "short_root_bus",\
642         .value    = stringify(1),\
643     },
644 
645 #define PC_COMPAT_1_5 \
646     PC_CPU_MODEL_IDS("1.5.0") \
647     {\
648         .driver   = "Conroe-" TYPE_X86_CPU,\
649         .property = "model",\
650         .value    = stringify(2),\
651     },{\
652         .driver   = "Conroe-" TYPE_X86_CPU,\
653         .property = "min-level",\
654         .value    = stringify(2),\
655     },{\
656         .driver   = "Penryn-" TYPE_X86_CPU,\
657         .property = "model",\
658         .value    = stringify(2),\
659     },{\
660         .driver   = "Penryn-" TYPE_X86_CPU,\
661         .property = "min-level",\
662         .value    = stringify(2),\
663     },{\
664         .driver   = "Nehalem-" TYPE_X86_CPU,\
665         .property = "model",\
666         .value    = stringify(2),\
667     },{\
668         .driver   = "Nehalem-" TYPE_X86_CPU,\
669         .property = "min-level",\
670         .value    = stringify(2),\
671     },{\
672         .driver   = "virtio-net-pci",\
673         .property = "any_layout",\
674         .value    = "off",\
675     },{\
676         .driver = TYPE_X86_CPU,\
677         .property = "pmu",\
678         .value = "on",\
679     },{\
680         .driver   = "i440FX-pcihost",\
681         .property = "short_root_bus",\
682         .value    = stringify(0),\
683     },{\
684         .driver   = "q35-pcihost",\
685         .property = "short_root_bus",\
686         .value    = stringify(0),\
687     },
688 
689 #define PC_COMPAT_1_4 \
690     PC_CPU_MODEL_IDS("1.4.0") \
691     {\
692         .driver   = "scsi-hd",\
693         .property = "discard_granularity",\
694         .value    = stringify(0),\
695     },{\
696         .driver   = "scsi-cd",\
697         .property = "discard_granularity",\
698         .value    = stringify(0),\
699     },{\
700         .driver   = "scsi-disk",\
701         .property = "discard_granularity",\
702         .value    = stringify(0),\
703     },{\
704         .driver   = "ide-hd",\
705         .property = "discard_granularity",\
706         .value    = stringify(0),\
707     },{\
708         .driver   = "ide-cd",\
709         .property = "discard_granularity",\
710         .value    = stringify(0),\
711     },{\
712         .driver   = "ide-drive",\
713         .property = "discard_granularity",\
714         .value    = stringify(0),\
715     },{\
716         .driver   = "virtio-blk-pci",\
717         .property = "discard_granularity",\
718         .value    = stringify(0),\
719     },{\
720         .driver   = "virtio-serial-pci",\
721         .property = "vectors",\
722         /* DEV_NVECTORS_UNSPECIFIED as a uint32_t string */\
723         .value    = stringify(0xFFFFFFFF),\
724     },{ \
725         .driver   = "virtio-net-pci", \
726         .property = "ctrl_guest_offloads", \
727         .value    = "off", \
728     },{\
729         .driver   = "e1000",\
730         .property = "romfile",\
731         .value    = "pxe-e1000.rom",\
732     },{\
733         .driver   = "ne2k_pci",\
734         .property = "romfile",\
735         .value    = "pxe-ne2k_pci.rom",\
736     },{\
737         .driver   = "pcnet",\
738         .property = "romfile",\
739         .value    = "pxe-pcnet.rom",\
740     },{\
741         .driver   = "rtl8139",\
742         .property = "romfile",\
743         .value    = "pxe-rtl8139.rom",\
744     },{\
745         .driver   = "virtio-net-pci",\
746         .property = "romfile",\
747         .value    = "pxe-virtio.rom",\
748     },{\
749         .driver   = "486-" TYPE_X86_CPU,\
750         .property = "model",\
751         .value    = stringify(0),\
752     },\
753     {\
754         .driver = "n270" "-" TYPE_X86_CPU,\
755         .property = "movbe",\
756         .value = "off",\
757     },\
758     {\
759         .driver = "Westmere" "-" TYPE_X86_CPU,\
760         .property = "pclmulqdq",\
761         .value = "off",\
762     },
763 
764 #define DEFINE_PC_MACHINE(suffix, namestr, initfn, optsfn) \
765     static void pc_machine_##suffix##_class_init(ObjectClass *oc, void *data) \
766     { \
767         MachineClass *mc = MACHINE_CLASS(oc); \
768         optsfn(mc); \
769         mc->init = initfn; \
770     } \
771     static const TypeInfo pc_machine_type_##suffix = { \
772         .name       = namestr TYPE_MACHINE_SUFFIX, \
773         .parent     = TYPE_PC_MACHINE, \
774         .class_init = pc_machine_##suffix##_class_init, \
775     }; \
776     static void pc_machine_init_##suffix(void) \
777     { \
778         type_register(&pc_machine_type_##suffix); \
779     } \
780     type_init(pc_machine_init_##suffix)
781 
782 extern void igd_passthrough_isa_bridge_create(PCIBus *bus, uint16_t gpu_dev_id);
783 #endif
784