xref: /openbmc/qemu/include/hw/i386/pc.h (revision 56411125)
1 #ifndef HW_PC_H
2 #define HW_PC_H
3 
4 #include "qemu-common.h"
5 #include "qemu/typedefs.h"
6 #include "exec/memory.h"
7 #include "hw/boards.h"
8 #include "hw/isa/isa.h"
9 #include "hw/block/fdc.h"
10 #include "net/net.h"
11 #include "hw/i386/ioapic.h"
12 
13 #include "qemu/range.h"
14 #include "qemu/bitmap.h"
15 #include "sysemu/sysemu.h"
16 #include "hw/pci/pci.h"
17 #include "hw/boards.h"
18 #include "hw/compat.h"
19 #include "hw/mem/pc-dimm.h"
20 
21 #define HPET_INTCAP "hpet-intcap"
22 
23 /**
24  * PCMachineState:
25  * @acpi_dev: link to ACPI PM device that performs ACPI hotplug handling
26  * @enforce_aligned_dimm: check that DIMM's address/size is aligned by
27  *                        backend's alignment value if provided
28  */
29 struct PCMachineState {
30     /*< private >*/
31     MachineState parent_obj;
32 
33     /* <public> */
34     MemoryHotplugState hotplug_memory;
35 
36     HotplugHandler *acpi_dev;
37     ISADevice *rtc;
38 
39     uint64_t max_ram_below_4g;
40     OnOffAuto vmport;
41     OnOffAuto smm;
42     bool enforce_aligned_dimm;
43     ram_addr_t below_4g_mem_size, above_4g_mem_size;
44 };
45 
46 #define PC_MACHINE_ACPI_DEVICE_PROP "acpi-device"
47 #define PC_MACHINE_MEMHP_REGION_SIZE "hotplug-memory-region-size"
48 #define PC_MACHINE_MAX_RAM_BELOW_4G "max-ram-below-4g"
49 #define PC_MACHINE_VMPORT           "vmport"
50 #define PC_MACHINE_SMM              "smm"
51 #define PC_MACHINE_ENFORCE_ALIGNED_DIMM "enforce-aligned-dimm"
52 
53 /**
54  * PCMachineClass:
55  * @get_hotplug_handler: pointer to parent class callback @get_hotplug_handler
56  */
57 struct PCMachineClass {
58     /*< private >*/
59     MachineClass parent_class;
60 
61     /*< public >*/
62     bool broken_reserved_end;
63     bool inter_dimm_gap;
64     HotplugHandler *(*get_hotplug_handler)(MachineState *machine,
65                                            DeviceState *dev);
66 };
67 
68 #define TYPE_PC_MACHINE "generic-pc-machine"
69 #define PC_MACHINE(obj) \
70     OBJECT_CHECK(PCMachineState, (obj), TYPE_PC_MACHINE)
71 #define PC_MACHINE_GET_CLASS(obj) \
72     OBJECT_GET_CLASS(PCMachineClass, (obj), TYPE_PC_MACHINE)
73 #define PC_MACHINE_CLASS(klass) \
74     OBJECT_CLASS_CHECK(PCMachineClass, (klass), TYPE_PC_MACHINE)
75 
76 /* PC-style peripherals (also used by other machines).  */
77 
78 typedef struct PcPciInfo {
79     Range w32;
80     Range w64;
81 } PcPciInfo;
82 
83 #define ACPI_PM_PROP_S3_DISABLED "disable_s3"
84 #define ACPI_PM_PROP_S4_DISABLED "disable_s4"
85 #define ACPI_PM_PROP_S4_VAL "s4_val"
86 #define ACPI_PM_PROP_SCI_INT "sci_int"
87 #define ACPI_PM_PROP_ACPI_ENABLE_CMD "acpi_enable_cmd"
88 #define ACPI_PM_PROP_ACPI_DISABLE_CMD "acpi_disable_cmd"
89 #define ACPI_PM_PROP_PM_IO_BASE "pm_io_base"
90 #define ACPI_PM_PROP_GPE0_BLK "gpe0_blk"
91 #define ACPI_PM_PROP_GPE0_BLK_LEN "gpe0_blk_len"
92 #define ACPI_PM_PROP_TCO_ENABLED "enable_tco"
93 
94 struct PcGuestInfo {
95     bool isapc_ram_fw;
96     hwaddr ram_size, ram_size_below_4g;
97     unsigned apic_id_limit;
98     bool apic_xrupt_override;
99     uint64_t numa_nodes;
100     uint64_t *node_mem;
101     uint64_t *node_cpu;
102     FWCfgState *fw_cfg;
103     int legacy_acpi_table_size;
104     bool has_acpi_build;
105     bool has_reserved_memory;
106     bool rsdp_in_ram;
107 };
108 
109 /* parallel.c */
110 
111 void parallel_hds_isa_init(ISABus *bus, int n);
112 
113 bool parallel_mm_init(MemoryRegion *address_space,
114                       hwaddr base, int it_shift, qemu_irq irq,
115                       CharDriverState *chr);
116 
117 /* i8259.c */
118 
119 extern DeviceState *isa_pic;
120 qemu_irq *i8259_init(ISABus *bus, qemu_irq parent_irq);
121 qemu_irq *kvm_i8259_init(ISABus *bus);
122 int pic_read_irq(DeviceState *d);
123 int pic_get_output(DeviceState *d);
124 void hmp_info_pic(Monitor *mon, const QDict *qdict);
125 void hmp_info_irq(Monitor *mon, const QDict *qdict);
126 
127 /* ioapic.c */
128 
129 void kvm_ioapic_dump_state(Monitor *mon, const QDict *qdict);
130 void ioapic_dump_state(Monitor *mon, const QDict *qdict);
131 
132 /* Global System Interrupts */
133 
134 #define GSI_NUM_PINS IOAPIC_NUM_PINS
135 
136 typedef struct GSIState {
137     qemu_irq i8259_irq[ISA_NUM_IRQS];
138     qemu_irq ioapic_irq[IOAPIC_NUM_PINS];
139 } GSIState;
140 
141 void gsi_handler(void *opaque, int n, int level);
142 
143 /* vmport.c */
144 typedef uint32_t (VMPortReadFunc)(void *opaque, uint32_t address);
145 
146 static inline void vmport_init(ISABus *bus)
147 {
148     isa_create_simple(bus, "vmport");
149 }
150 
151 void vmport_register(unsigned char command, VMPortReadFunc *func, void *opaque);
152 void vmmouse_get_data(uint32_t *data);
153 void vmmouse_set_data(const uint32_t *data);
154 
155 /* pckbd.c */
156 
157 void i8042_init(qemu_irq kbd_irq, qemu_irq mouse_irq, uint32_t io_base);
158 void i8042_mm_init(qemu_irq kbd_irq, qemu_irq mouse_irq,
159                    MemoryRegion *region, ram_addr_t size,
160                    hwaddr mask);
161 void i8042_isa_mouse_fake_event(void *opaque);
162 void i8042_setup_a20_line(ISADevice *dev, qemu_irq *a20_out);
163 
164 /* pc.c */
165 extern int fd_bootchk;
166 
167 bool pc_machine_is_smm_enabled(PCMachineState *pcms);
168 void pc_register_ferr_irq(qemu_irq irq);
169 void pc_acpi_smi_interrupt(void *opaque, int irq, int level);
170 
171 void pc_cpus_init(PCMachineState *pcms);
172 void pc_hot_add_cpu(const int64_t id, Error **errp);
173 void pc_acpi_init(const char *default_dsdt);
174 
175 PcGuestInfo *pc_guest_info_init(PCMachineState *pcms);
176 
177 void pc_set_legacy_acpi_data_size(void);
178 
179 #define PCI_HOST_PROP_PCI_HOLE_START   "pci-hole-start"
180 #define PCI_HOST_PROP_PCI_HOLE_END     "pci-hole-end"
181 #define PCI_HOST_PROP_PCI_HOLE64_START "pci-hole64-start"
182 #define PCI_HOST_PROP_PCI_HOLE64_END   "pci-hole64-end"
183 #define PCI_HOST_PROP_PCI_HOLE64_SIZE  "pci-hole64-size"
184 #define DEFAULT_PCI_HOLE64_SIZE (~0x0ULL)
185 
186 
187 void pc_pci_as_mapping_init(Object *owner, MemoryRegion *system_memory,
188                             MemoryRegion *pci_address_space);
189 
190 FWCfgState *xen_load_linux(PCMachineState *pcms,
191                            PcGuestInfo *guest_info);
192 FWCfgState *pc_memory_init(PCMachineState *pcms,
193                            MemoryRegion *system_memory,
194                            MemoryRegion *rom_memory,
195                            MemoryRegion **ram_memory,
196                            PcGuestInfo *guest_info);
197 qemu_irq pc_allocate_cpu_irq(void);
198 DeviceState *pc_vga_init(ISABus *isa_bus, PCIBus *pci_bus);
199 void pc_basic_device_init(ISABus *isa_bus, qemu_irq *gsi,
200                           ISADevice **rtc_state,
201                           bool create_fdctrl,
202                           bool no_vmport,
203                           uint32 hpet_irqs);
204 void pc_init_ne2k_isa(ISABus *bus, NICInfo *nd);
205 void pc_cmos_init(PCMachineState *pcms,
206                   BusState *ide0, BusState *ide1,
207                   ISADevice *s);
208 void pc_nic_init(ISABus *isa_bus, PCIBus *pci_bus);
209 void pc_pci_device_init(PCIBus *pci_bus);
210 
211 typedef void (*cpu_set_smm_t)(int smm, void *arg);
212 
213 void ioapic_init_gsi(GSIState *gsi_state, const char *parent_name);
214 
215 /* acpi_piix.c */
216 
217 I2CBus *piix4_pm_init(PCIBus *bus, int devfn, uint32_t smb_io_base,
218                       qemu_irq sci_irq, qemu_irq smi_irq,
219                       int smm_enabled, DeviceState **piix4_pm);
220 void piix4_smbus_register_device(SMBusDevice *dev, uint8_t addr);
221 
222 /* hpet.c */
223 extern int no_hpet;
224 
225 /* piix_pci.c */
226 struct PCII440FXState;
227 typedef struct PCII440FXState PCII440FXState;
228 
229 #define TYPE_I440FX_PCI_HOST_BRIDGE "i440FX-pcihost"
230 #define TYPE_I440FX_PCI_DEVICE "i440FX"
231 
232 #define TYPE_IGD_PASSTHROUGH_I440FX_PCI_DEVICE "igd-passthrough-i440FX"
233 
234 PCIBus *i440fx_init(const char *host_type, const char *pci_type,
235                     PCII440FXState **pi440fx_state, int *piix_devfn,
236                     ISABus **isa_bus, qemu_irq *pic,
237                     MemoryRegion *address_space_mem,
238                     MemoryRegion *address_space_io,
239                     ram_addr_t ram_size,
240                     ram_addr_t below_4g_mem_size,
241                     ram_addr_t above_4g_mem_size,
242                     MemoryRegion *pci_memory,
243                     MemoryRegion *ram_memory);
244 
245 PCIBus *find_i440fx(void);
246 /* piix4.c */
247 extern PCIDevice *piix4_dev;
248 int piix4_init(PCIBus *bus, ISABus **isa_bus, int devfn);
249 
250 /* vga.c */
251 enum vga_retrace_method {
252     VGA_RETRACE_DUMB,
253     VGA_RETRACE_PRECISE
254 };
255 
256 extern enum vga_retrace_method vga_retrace_method;
257 
258 int isa_vga_mm_init(hwaddr vram_base,
259                     hwaddr ctrl_base, int it_shift,
260                     MemoryRegion *address_space);
261 
262 /* ne2000.c */
263 static inline bool isa_ne2000_init(ISABus *bus, int base, int irq, NICInfo *nd)
264 {
265     DeviceState *dev;
266     ISADevice *isadev;
267 
268     qemu_check_nic_model(nd, "ne2k_isa");
269 
270     isadev = isa_try_create(bus, "ne2k_isa");
271     if (!isadev) {
272         return false;
273     }
274     dev = DEVICE(isadev);
275     qdev_prop_set_uint32(dev, "iobase", base);
276     qdev_prop_set_uint32(dev, "irq",    irq);
277     qdev_set_nic_properties(dev, nd);
278     qdev_init_nofail(dev);
279     return true;
280 }
281 
282 /* pc_sysfw.c */
283 void pc_system_firmware_init(MemoryRegion *rom_memory,
284                              bool isapc_ram_fw);
285 
286 /* pvpanic.c */
287 uint16_t pvpanic_port(void);
288 
289 /* e820 types */
290 #define E820_RAM        1
291 #define E820_RESERVED   2
292 #define E820_ACPI       3
293 #define E820_NVS        4
294 #define E820_UNUSABLE   5
295 
296 int e820_add_entry(uint64_t, uint64_t, uint32_t);
297 int e820_get_num_entries(void);
298 bool e820_get_entry(int, uint32_t, uint64_t *, uint64_t *);
299 
300 #define PC_COMPAT_2_4 \
301         HW_COMPAT_2_4 \
302         {\
303             .driver   = "Haswell-" TYPE_X86_CPU,\
304             .property = "abm",\
305             .value    = "off",\
306         },\
307         {\
308             .driver   = "Haswell-noTSX-" TYPE_X86_CPU,\
309             .property = "abm",\
310             .value    = "off",\
311         },\
312         {\
313             .driver   = "Broadwell-" TYPE_X86_CPU,\
314             .property = "abm",\
315             .value    = "off",\
316         },\
317         {\
318             .driver   = "Broadwell-noTSX-" TYPE_X86_CPU,\
319             .property = "abm",\
320             .value    = "off",\
321         },\
322         {\
323             .driver   = "host" "-" TYPE_X86_CPU,\
324             .property = "host-cache-info",\
325             .value    = "on",\
326         },
327 
328 #define PC_COMPAT_2_3 \
329         PC_COMPAT_2_4 \
330         HW_COMPAT_2_3 \
331         {\
332             .driver   = TYPE_X86_CPU,\
333             .property = "arat",\
334             .value    = "off",\
335         },{\
336             .driver   = "qemu64" "-" TYPE_X86_CPU,\
337             .property = "level",\
338             .value    = stringify(4),\
339         },{\
340             .driver   = "kvm64" "-" TYPE_X86_CPU,\
341             .property = "level",\
342             .value    = stringify(5),\
343         },{\
344             .driver   = "pentium3" "-" TYPE_X86_CPU,\
345             .property = "level",\
346             .value    = stringify(2),\
347         },{\
348             .driver   = "n270" "-" TYPE_X86_CPU,\
349             .property = "level",\
350             .value    = stringify(5),\
351         },{\
352             .driver   = "Conroe" "-" TYPE_X86_CPU,\
353             .property = "level",\
354             .value    = stringify(4),\
355         },{\
356             .driver   = "Penryn" "-" TYPE_X86_CPU,\
357             .property = "level",\
358             .value    = stringify(4),\
359         },{\
360             .driver   = "Nehalem" "-" TYPE_X86_CPU,\
361             .property = "level",\
362             .value    = stringify(4),\
363         },{\
364             .driver   = "n270" "-" TYPE_X86_CPU,\
365             .property = "xlevel",\
366             .value    = stringify(0x8000000a),\
367         },{\
368             .driver   = "Penryn" "-" TYPE_X86_CPU,\
369             .property = "xlevel",\
370             .value    = stringify(0x8000000a),\
371         },{\
372             .driver   = "Conroe" "-" TYPE_X86_CPU,\
373             .property = "xlevel",\
374             .value    = stringify(0x8000000a),\
375         },{\
376             .driver   = "Nehalem" "-" TYPE_X86_CPU,\
377             .property = "xlevel",\
378             .value    = stringify(0x8000000a),\
379         },{\
380             .driver   = "Westmere" "-" TYPE_X86_CPU,\
381             .property = "xlevel",\
382             .value    = stringify(0x8000000a),\
383         },{\
384             .driver   = "SandyBridge" "-" TYPE_X86_CPU,\
385             .property = "xlevel",\
386             .value    = stringify(0x8000000a),\
387         },{\
388             .driver   = "IvyBridge" "-" TYPE_X86_CPU,\
389             .property = "xlevel",\
390             .value    = stringify(0x8000000a),\
391         },{\
392             .driver   = "Haswell" "-" TYPE_X86_CPU,\
393             .property = "xlevel",\
394             .value    = stringify(0x8000000a),\
395         },{\
396             .driver   = "Haswell-noTSX" "-" TYPE_X86_CPU,\
397             .property = "xlevel",\
398             .value    = stringify(0x8000000a),\
399         },{\
400             .driver   = "Broadwell" "-" TYPE_X86_CPU,\
401             .property = "xlevel",\
402             .value    = stringify(0x8000000a),\
403         },{\
404             .driver   = "Broadwell-noTSX" "-" TYPE_X86_CPU,\
405             .property = "xlevel",\
406             .value    = stringify(0x8000000a),\
407         },
408 
409 #define PC_COMPAT_2_2 \
410         PC_COMPAT_2_3 \
411         HW_COMPAT_2_2 \
412         {\
413             .driver = "kvm64" "-" TYPE_X86_CPU,\
414             .property = "vme",\
415             .value = "off",\
416         },\
417         {\
418             .driver = "kvm32" "-" TYPE_X86_CPU,\
419             .property = "vme",\
420             .value = "off",\
421         },\
422         {\
423             .driver = "Conroe" "-" TYPE_X86_CPU,\
424             .property = "vme",\
425             .value = "off",\
426         },\
427         {\
428             .driver = "Penryn" "-" TYPE_X86_CPU,\
429             .property = "vme",\
430             .value = "off",\
431         },\
432         {\
433             .driver = "Nehalem" "-" TYPE_X86_CPU,\
434             .property = "vme",\
435             .value = "off",\
436         },\
437         {\
438             .driver = "Westmere" "-" TYPE_X86_CPU,\
439             .property = "vme",\
440             .value = "off",\
441         },\
442         {\
443             .driver = "SandyBridge" "-" TYPE_X86_CPU,\
444             .property = "vme",\
445             .value = "off",\
446         },\
447         {\
448             .driver = "Haswell" "-" TYPE_X86_CPU,\
449             .property = "vme",\
450             .value = "off",\
451         },\
452         {\
453             .driver = "Broadwell" "-" TYPE_X86_CPU,\
454             .property = "vme",\
455             .value = "off",\
456         },\
457         {\
458             .driver = "Opteron_G1" "-" TYPE_X86_CPU,\
459             .property = "vme",\
460             .value = "off",\
461         },\
462         {\
463             .driver = "Opteron_G2" "-" TYPE_X86_CPU,\
464             .property = "vme",\
465             .value = "off",\
466         },\
467         {\
468             .driver = "Opteron_G3" "-" TYPE_X86_CPU,\
469             .property = "vme",\
470             .value = "off",\
471         },\
472         {\
473             .driver = "Opteron_G4" "-" TYPE_X86_CPU,\
474             .property = "vme",\
475             .value = "off",\
476         },\
477         {\
478             .driver = "Opteron_G5" "-" TYPE_X86_CPU,\
479             .property = "vme",\
480             .value = "off",\
481         },\
482         {\
483             .driver = "Haswell" "-" TYPE_X86_CPU,\
484             .property = "f16c",\
485             .value = "off",\
486         },\
487         {\
488             .driver = "Haswell" "-" TYPE_X86_CPU,\
489             .property = "rdrand",\
490             .value = "off",\
491         },\
492         {\
493             .driver = "Broadwell" "-" TYPE_X86_CPU,\
494             .property = "f16c",\
495             .value = "off",\
496         },\
497         {\
498             .driver = "Broadwell" "-" TYPE_X86_CPU,\
499             .property = "rdrand",\
500             .value = "off",\
501         },
502 
503 #define PC_COMPAT_2_1 \
504         PC_COMPAT_2_2 \
505         HW_COMPAT_2_1 \
506         {\
507             .driver = "coreduo" "-" TYPE_X86_CPU,\
508             .property = "vmx",\
509             .value = "on",\
510         },\
511         {\
512             .driver = "core2duo" "-" TYPE_X86_CPU,\
513             .property = "vmx",\
514             .value = "on",\
515         },
516 
517 #define PC_COMPAT_2_0 \
518         PC_COMPAT_2_1 \
519         {\
520             .driver   = "virtio-scsi-pci",\
521             .property = "any_layout",\
522             .value    = "off",\
523         },{\
524             .driver   = "PIIX4_PM",\
525             .property = "memory-hotplug-support",\
526             .value    = "off",\
527         },\
528         {\
529             .driver   = "apic",\
530             .property = "version",\
531             .value    = stringify(0x11),\
532         },\
533         {\
534             .driver   = "nec-usb-xhci",\
535             .property = "superspeed-ports-first",\
536             .value    = "off",\
537         },\
538         {\
539             .driver   = "nec-usb-xhci",\
540             .property = "force-pcie-endcap",\
541             .value    = "on",\
542         },\
543         {\
544             .driver   = "pci-serial",\
545             .property = "prog_if",\
546             .value    = stringify(0),\
547         },\
548         {\
549             .driver   = "pci-serial-2x",\
550             .property = "prog_if",\
551             .value    = stringify(0),\
552         },\
553         {\
554             .driver   = "pci-serial-4x",\
555             .property = "prog_if",\
556             .value    = stringify(0),\
557         },\
558         {\
559             .driver   = "virtio-net-pci",\
560             .property = "guest_announce",\
561             .value    = "off",\
562         },\
563         {\
564             .driver   = "ICH9-LPC",\
565             .property = "memory-hotplug-support",\
566             .value    = "off",\
567         },{\
568             .driver   = "xio3130-downstream",\
569             .property = COMPAT_PROP_PCP,\
570             .value    = "off",\
571         },{\
572             .driver   = "ioh3420",\
573             .property = COMPAT_PROP_PCP,\
574             .value    = "off",\
575         },
576 
577 #define PC_COMPAT_1_7 \
578         PC_COMPAT_2_0 \
579         {\
580             .driver   = TYPE_USB_DEVICE,\
581             .property = "msos-desc",\
582             .value    = "no",\
583         },\
584         {\
585             .driver   = "PIIX4_PM",\
586             .property = "acpi-pci-hotplug-with-bridge-support",\
587             .value    = "off",\
588         },\
589         {\
590             .driver   = "hpet",\
591             .property = HPET_INTCAP,\
592             .value    = stringify(4),\
593         },
594 
595 #define PC_COMPAT_1_6 \
596         PC_COMPAT_1_7 \
597         {\
598             .driver   = "e1000",\
599             .property = "mitigation",\
600             .value    = "off",\
601         },{\
602             .driver   = "qemu64-" TYPE_X86_CPU,\
603             .property = "model",\
604             .value    = stringify(2),\
605         },{\
606             .driver   = "qemu32-" TYPE_X86_CPU,\
607             .property = "model",\
608             .value    = stringify(3),\
609         },{\
610             .driver   = "i440FX-pcihost",\
611             .property = "short_root_bus",\
612             .value    = stringify(1),\
613         },{\
614             .driver   = "q35-pcihost",\
615             .property = "short_root_bus",\
616             .value    = stringify(1),\
617         },
618 
619 #define PC_COMPAT_1_5 \
620         PC_COMPAT_1_6 \
621         {\
622             .driver   = "Conroe-" TYPE_X86_CPU,\
623             .property = "model",\
624             .value    = stringify(2),\
625         },{\
626             .driver   = "Conroe-" TYPE_X86_CPU,\
627             .property = "level",\
628             .value    = stringify(2),\
629         },{\
630             .driver   = "Penryn-" TYPE_X86_CPU,\
631             .property = "model",\
632             .value    = stringify(2),\
633         },{\
634             .driver   = "Penryn-" TYPE_X86_CPU,\
635             .property = "level",\
636             .value    = stringify(2),\
637         },{\
638             .driver   = "Nehalem-" TYPE_X86_CPU,\
639             .property = "model",\
640             .value    = stringify(2),\
641         },{\
642             .driver   = "Nehalem-" TYPE_X86_CPU,\
643             .property = "level",\
644             .value    = stringify(2),\
645         },{\
646             .driver   = "virtio-net-pci",\
647             .property = "any_layout",\
648             .value    = "off",\
649         },{\
650             .driver = TYPE_X86_CPU,\
651             .property = "pmu",\
652             .value = "on",\
653         },{\
654             .driver   = "i440FX-pcihost",\
655             .property = "short_root_bus",\
656             .value    = stringify(0),\
657         },{\
658             .driver   = "q35-pcihost",\
659             .property = "short_root_bus",\
660             .value    = stringify(0),\
661         },
662 
663 #define PC_COMPAT_1_4 \
664         PC_COMPAT_1_5 \
665         {\
666             .driver   = "scsi-hd",\
667             .property = "discard_granularity",\
668             .value    = stringify(0),\
669         },{\
670             .driver   = "scsi-cd",\
671             .property = "discard_granularity",\
672             .value    = stringify(0),\
673         },{\
674             .driver   = "scsi-disk",\
675             .property = "discard_granularity",\
676             .value    = stringify(0),\
677         },{\
678             .driver   = "ide-hd",\
679             .property = "discard_granularity",\
680             .value    = stringify(0),\
681         },{\
682             .driver   = "ide-cd",\
683             .property = "discard_granularity",\
684             .value    = stringify(0),\
685         },{\
686             .driver   = "ide-drive",\
687             .property = "discard_granularity",\
688             .value    = stringify(0),\
689         },{\
690             .driver   = "virtio-blk-pci",\
691             .property = "discard_granularity",\
692             .value    = stringify(0),\
693         },{\
694             .driver   = "virtio-serial-pci",\
695             .property = "vectors",\
696             /* DEV_NVECTORS_UNSPECIFIED as a uint32_t string */\
697             .value    = stringify(0xFFFFFFFF),\
698         },{ \
699             .driver   = "virtio-net-pci", \
700             .property = "ctrl_guest_offloads", \
701             .value    = "off", \
702         },{\
703             .driver   = "e1000",\
704             .property = "romfile",\
705             .value    = "pxe-e1000.rom",\
706         },{\
707             .driver   = "ne2k_pci",\
708             .property = "romfile",\
709             .value    = "pxe-ne2k_pci.rom",\
710         },{\
711             .driver   = "pcnet",\
712             .property = "romfile",\
713             .value    = "pxe-pcnet.rom",\
714         },{\
715             .driver   = "rtl8139",\
716             .property = "romfile",\
717             .value    = "pxe-rtl8139.rom",\
718         },{\
719             .driver   = "virtio-net-pci",\
720             .property = "romfile",\
721             .value    = "pxe-virtio.rom",\
722         },{\
723             .driver   = "486-" TYPE_X86_CPU,\
724             .property = "model",\
725             .value    = stringify(0),\
726         },\
727         {\
728             .driver = "n270" "-" TYPE_X86_CPU,\
729             .property = "movbe",\
730             .value = "off",\
731         },\
732         {\
733             .driver = "Westmere" "-" TYPE_X86_CPU,\
734             .property = "pclmulqdq",\
735             .value = "off",\
736         },
737 
738 #define DEFINE_PC_MACHINE(suffix, namestr, initfn, optsfn) \
739     static void pc_machine_##suffix##_class_init(ObjectClass *oc, void *data) \
740     { \
741         MachineClass *mc = MACHINE_CLASS(oc); \
742         optsfn(mc); \
743         mc->name = namestr; \
744         mc->init = initfn; \
745     } \
746     static const TypeInfo pc_machine_type_##suffix = { \
747         .name       = namestr TYPE_MACHINE_SUFFIX, \
748         .parent     = TYPE_PC_MACHINE, \
749         .class_init = pc_machine_##suffix##_class_init, \
750     }; \
751     static void pc_machine_init_##suffix(void) \
752     { \
753         type_register(&pc_machine_type_##suffix); \
754     } \
755     machine_init(pc_machine_init_##suffix)
756 
757 #define SET_MACHINE_COMPAT(m, COMPAT) do { \
758     static GlobalProperty props[] = { \
759         COMPAT \
760         { /* end of list */ } \
761     }; \
762     (m)->compat_props = props; \
763 } while (0)
764 
765 extern void igd_passthrough_isa_bridge_create(PCIBus *bus, uint16_t gpu_dev_id);
766 #endif
767