xref: /openbmc/qemu/hw/i386/pc_piix.c (revision 5692399f)
1 /*
2  * QEMU PC System Emulator
3  *
4  * Copyright (c) 2003-2004 Fabrice Bellard
5  *
6  * Permission is hereby granted, free of charge, to any person obtaining a copy
7  * of this software and associated documentation files (the "Software"), to deal
8  * in the Software without restriction, including without limitation the rights
9  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10  * copies of the Software, and to permit persons to whom the Software is
11  * furnished to do so, subject to the following conditions:
12  *
13  * The above copyright notice and this permission notice shall be included in
14  * all copies or substantial portions of the Software.
15  *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22  * THE SOFTWARE.
23  */
24 
25 #include <glib.h>
26 
27 #include "hw/hw.h"
28 #include "hw/loader.h"
29 #include "hw/i386/pc.h"
30 #include "hw/i386/apic.h"
31 #include "hw/i386/smbios.h"
32 #include "hw/pci/pci.h"
33 #include "hw/pci/pci_ids.h"
34 #include "hw/usb.h"
35 #include "net/net.h"
36 #include "hw/boards.h"
37 #include "hw/ide.h"
38 #include "sysemu/kvm.h"
39 #include "hw/kvm/clock.h"
40 #include "sysemu/sysemu.h"
41 #include "hw/sysbus.h"
42 #include "hw/cpu/icc_bus.h"
43 #include "sysemu/arch_init.h"
44 #include "sysemu/blockdev.h"
45 #include "hw/i2c/smbus.h"
46 #include "hw/xen/xen.h"
47 #include "exec/memory.h"
48 #include "exec/address-spaces.h"
49 #include "hw/acpi/acpi.h"
50 #include "cpu.h"
51 #include "qemu/error-report.h"
52 #ifdef CONFIG_XEN
53 #  include <xen/hvm/hvm_info_table.h>
54 #endif
55 
56 #define MAX_IDE_BUS 2
57 
58 static const int ide_iobase[MAX_IDE_BUS] = { 0x1f0, 0x170 };
59 static const int ide_iobase2[MAX_IDE_BUS] = { 0x3f6, 0x376 };
60 static const int ide_irq[MAX_IDE_BUS] = { 14, 15 };
61 
62 static bool has_pci_info;
63 static bool has_acpi_build = true;
64 static bool smbios_defaults = true;
65 static bool smbios_legacy_mode;
66 /* Make sure that guest addresses aligned at 1Gbyte boundaries get mapped to
67  * host addresses aligned at 1Gbyte boundaries.  This way we can use 1GByte
68  * pages in the host.
69  */
70 static bool gigabyte_align = true;
71 static bool has_reserved_memory = true;
72 
73 /* PC hardware initialisation */
74 static void pc_init1(MachineState *machine,
75                      int pci_enabled,
76                      int kvmclock_enabled)
77 {
78     PCMachineState *pc_machine = PC_MACHINE(machine);
79     MemoryRegion *system_memory = get_system_memory();
80     MemoryRegion *system_io = get_system_io();
81     int i;
82     ram_addr_t below_4g_mem_size, above_4g_mem_size;
83     PCIBus *pci_bus;
84     ISABus *isa_bus;
85     PCII440FXState *i440fx_state;
86     int piix3_devfn = -1;
87     qemu_irq *cpu_irq;
88     qemu_irq *gsi;
89     qemu_irq *i8259;
90     qemu_irq *smi_irq;
91     GSIState *gsi_state;
92     DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
93     BusState *idebus[MAX_IDE_BUS];
94     ISADevice *rtc_state;
95     ISADevice *floppy;
96     MemoryRegion *ram_memory;
97     MemoryRegion *pci_memory;
98     MemoryRegion *rom_memory;
99     DeviceState *icc_bridge;
100     FWCfgState *fw_cfg = NULL;
101     PcGuestInfo *guest_info;
102     ram_addr_t lowmem;
103 
104     /* Check whether RAM fits below 4G (leaving 1/2 GByte for IO memory).
105      * If it doesn't, we need to split it in chunks below and above 4G.
106      * In any case, try to make sure that guest addresses aligned at
107      * 1G boundaries get mapped to host addresses aligned at 1G boundaries.
108      * For old machine types, use whatever split we used historically to avoid
109      * breaking migration.
110      */
111     if (machine->ram_size >= 0xe0000000) {
112         lowmem = gigabyte_align ? 0xc0000000 : 0xe0000000;
113     } else {
114         lowmem = 0xe0000000;
115     }
116 
117     /* Handle the machine opt max-ram-below-4g.  It is basically doing
118      * min(qemu limit, user limit).
119      */
120     if (lowmem > pc_machine->max_ram_below_4g) {
121         lowmem = pc_machine->max_ram_below_4g;
122         if (machine->ram_size - lowmem > lowmem &&
123             lowmem & ((1ULL << 30) - 1)) {
124             error_report("Warning: Large machine and max_ram_below_4g(%"PRIu64
125                          ") not a multiple of 1G; possible bad performance.",
126                          pc_machine->max_ram_below_4g);
127         }
128     }
129 
130     if (machine->ram_size >= lowmem) {
131         above_4g_mem_size = machine->ram_size - lowmem;
132         below_4g_mem_size = lowmem;
133     } else {
134         above_4g_mem_size = 0;
135         below_4g_mem_size = machine->ram_size;
136     }
137 
138     if (xen_enabled() && xen_hvm_init(&below_4g_mem_size, &above_4g_mem_size,
139                                       &ram_memory) != 0) {
140         fprintf(stderr, "xen hardware virtual machine initialisation failed\n");
141         exit(1);
142     }
143 
144     icc_bridge = qdev_create(NULL, TYPE_ICC_BRIDGE);
145     object_property_add_child(qdev_get_machine(), "icc-bridge",
146                               OBJECT(icc_bridge), NULL);
147 
148     pc_cpus_init(machine->cpu_model, icc_bridge);
149 
150     if (kvm_enabled() && kvmclock_enabled) {
151         kvmclock_create();
152     }
153 
154     if (pci_enabled) {
155         pci_memory = g_new(MemoryRegion, 1);
156         memory_region_init(pci_memory, NULL, "pci", UINT64_MAX);
157         rom_memory = pci_memory;
158     } else {
159         pci_memory = NULL;
160         rom_memory = system_memory;
161     }
162 
163     guest_info = pc_guest_info_init(below_4g_mem_size, above_4g_mem_size);
164 
165     guest_info->has_acpi_build = has_acpi_build;
166 
167     guest_info->has_pci_info = has_pci_info;
168     guest_info->isapc_ram_fw = !pci_enabled;
169     guest_info->has_reserved_memory = has_reserved_memory;
170 
171     if (smbios_defaults) {
172         MachineClass *mc = MACHINE_GET_CLASS(machine);
173         /* These values are guest ABI, do not change */
174         smbios_set_defaults("QEMU", "Standard PC (i440FX + PIIX, 1996)",
175                             mc->name, smbios_legacy_mode);
176     }
177 
178     /* allocate ram and load rom/bios */
179     if (!xen_enabled()) {
180         fw_cfg = pc_memory_init(machine, system_memory,
181                                 below_4g_mem_size, above_4g_mem_size,
182                                 rom_memory, &ram_memory, guest_info);
183     }
184 
185     gsi_state = g_malloc0(sizeof(*gsi_state));
186     if (kvm_irqchip_in_kernel()) {
187         kvm_pc_setup_irq_routing(pci_enabled);
188         gsi = qemu_allocate_irqs(kvm_pc_gsi_handler, gsi_state,
189                                  GSI_NUM_PINS);
190     } else {
191         gsi = qemu_allocate_irqs(gsi_handler, gsi_state, GSI_NUM_PINS);
192     }
193 
194     if (pci_enabled) {
195         pci_bus = i440fx_init(&i440fx_state, &piix3_devfn, &isa_bus, gsi,
196                               system_memory, system_io, machine->ram_size,
197                               below_4g_mem_size,
198                               above_4g_mem_size,
199                               pci_memory, ram_memory);
200     } else {
201         pci_bus = NULL;
202         i440fx_state = NULL;
203         isa_bus = isa_bus_new(NULL, system_io);
204         no_hpet = 1;
205     }
206     isa_bus_irqs(isa_bus, gsi);
207 
208     if (kvm_irqchip_in_kernel()) {
209         i8259 = kvm_i8259_init(isa_bus);
210     } else if (xen_enabled()) {
211         i8259 = xen_interrupt_controller_init();
212     } else {
213         cpu_irq = pc_allocate_cpu_irq();
214         i8259 = i8259_init(isa_bus, cpu_irq[0]);
215     }
216 
217     for (i = 0; i < ISA_NUM_IRQS; i++) {
218         gsi_state->i8259_irq[i] = i8259[i];
219     }
220     if (pci_enabled) {
221         ioapic_init_gsi(gsi_state, "i440fx");
222     }
223     qdev_init_nofail(icc_bridge);
224 
225     pc_register_ferr_irq(gsi[13]);
226 
227     pc_vga_init(isa_bus, pci_enabled ? pci_bus : NULL);
228 
229     /* init basic PC hardware */
230     pc_basic_device_init(isa_bus, gsi, &rtc_state, &floppy, xen_enabled(),
231         0x4);
232 
233     pc_nic_init(isa_bus, pci_bus);
234 
235     ide_drive_get(hd, MAX_IDE_BUS);
236     if (pci_enabled) {
237         PCIDevice *dev;
238         if (xen_enabled()) {
239             dev = pci_piix3_xen_ide_init(pci_bus, hd, piix3_devfn + 1);
240         } else {
241             dev = pci_piix3_ide_init(pci_bus, hd, piix3_devfn + 1);
242         }
243         idebus[0] = qdev_get_child_bus(&dev->qdev, "ide.0");
244         idebus[1] = qdev_get_child_bus(&dev->qdev, "ide.1");
245     } else {
246         for(i = 0; i < MAX_IDE_BUS; i++) {
247             ISADevice *dev;
248             char busname[] = "ide.0";
249             dev = isa_ide_init(isa_bus, ide_iobase[i], ide_iobase2[i],
250                                ide_irq[i],
251                                hd[MAX_IDE_DEVS * i], hd[MAX_IDE_DEVS * i + 1]);
252             /*
253              * The ide bus name is ide.0 for the first bus and ide.1 for the
254              * second one.
255              */
256             busname[4] = '0' + i;
257             idebus[i] = qdev_get_child_bus(DEVICE(dev), busname);
258         }
259     }
260 
261     pc_cmos_init(below_4g_mem_size, above_4g_mem_size, machine->boot_order,
262                  floppy, idebus[0], idebus[1], rtc_state);
263 
264     if (pci_enabled && usb_enabled(false)) {
265         pci_create_simple(pci_bus, piix3_devfn + 2, "piix3-usb-uhci");
266     }
267 
268     if (pci_enabled && acpi_enabled) {
269         DeviceState *piix4_pm;
270         I2CBus *smbus;
271 
272         smi_irq = qemu_allocate_irqs(pc_acpi_smi_interrupt, first_cpu, 1);
273         /* TODO: Populate SPD eeprom data.  */
274         smbus = piix4_pm_init(pci_bus, piix3_devfn + 3, 0xb100,
275                               gsi[9], *smi_irq,
276                               kvm_enabled(), fw_cfg, &piix4_pm);
277         smbus_eeprom_init(smbus, 8, NULL, 0);
278 
279         object_property_add_link(OBJECT(machine), PC_MACHINE_ACPI_DEVICE_PROP,
280                                  TYPE_HOTPLUG_HANDLER,
281                                  (Object **)&pc_machine->acpi_dev,
282                                  object_property_allow_set_link,
283                                  OBJ_PROP_LINK_UNREF_ON_RELEASE, &error_abort);
284         object_property_set_link(OBJECT(machine), OBJECT(piix4_pm),
285                                  PC_MACHINE_ACPI_DEVICE_PROP, &error_abort);
286     }
287 
288     if (pci_enabled) {
289         pc_pci_device_init(pci_bus);
290     }
291 }
292 
293 static void pc_init_pci(MachineState *machine)
294 {
295     pc_init1(machine, 1, 1);
296 }
297 
298 static void pc_compat_2_0(MachineState *machine)
299 {
300     smbios_legacy_mode = true;
301     has_reserved_memory = false;
302 }
303 
304 static void pc_compat_1_7(MachineState *machine)
305 {
306     pc_compat_2_0(machine);
307     smbios_defaults = false;
308     gigabyte_align = false;
309     option_rom_has_mr = true;
310     x86_cpu_compat_disable_kvm_features(FEAT_1_ECX, CPUID_EXT_X2APIC);
311 }
312 
313 static void pc_compat_1_6(MachineState *machine)
314 {
315     pc_compat_1_7(machine);
316     has_pci_info = false;
317     rom_file_has_mr = false;
318     has_acpi_build = false;
319 }
320 
321 static void pc_compat_1_5(MachineState *machine)
322 {
323     pc_compat_1_6(machine);
324 }
325 
326 static void pc_compat_1_4(MachineState *machine)
327 {
328     pc_compat_1_5(machine);
329     x86_cpu_compat_set_features("n270", FEAT_1_ECX, 0, CPUID_EXT_MOVBE);
330     x86_cpu_compat_set_features("Westmere", FEAT_1_ECX, 0, CPUID_EXT_PCLMULQDQ);
331 }
332 
333 static void pc_compat_1_3(MachineState *machine)
334 {
335     pc_compat_1_4(machine);
336     enable_compat_apic_id_mode();
337 }
338 
339 /* PC compat function for pc-0.14 to pc-1.2 */
340 static void pc_compat_1_2(MachineState *machine)
341 {
342     pc_compat_1_3(machine);
343     x86_cpu_compat_disable_kvm_features(FEAT_KVM, KVM_FEATURE_PV_EOI);
344 }
345 
346 static void pc_init_pci_2_0(MachineState *machine)
347 {
348     pc_compat_2_0(machine);
349     pc_init_pci(machine);
350 }
351 
352 static void pc_init_pci_1_7(MachineState *machine)
353 {
354     pc_compat_1_7(machine);
355     pc_init_pci(machine);
356 }
357 
358 static void pc_init_pci_1_6(MachineState *machine)
359 {
360     pc_compat_1_6(machine);
361     pc_init_pci(machine);
362 }
363 
364 static void pc_init_pci_1_5(MachineState *machine)
365 {
366     pc_compat_1_5(machine);
367     pc_init_pci(machine);
368 }
369 
370 static void pc_init_pci_1_4(MachineState *machine)
371 {
372     pc_compat_1_4(machine);
373     pc_init_pci(machine);
374 }
375 
376 static void pc_init_pci_1_3(MachineState *machine)
377 {
378     pc_compat_1_3(machine);
379     pc_init_pci(machine);
380 }
381 
382 /* PC machine init function for pc-0.14 to pc-1.2 */
383 static void pc_init_pci_1_2(MachineState *machine)
384 {
385     pc_compat_1_2(machine);
386     pc_init_pci(machine);
387 }
388 
389 /* PC init function for pc-0.10 to pc-0.13 */
390 static void pc_init_pci_no_kvmclock(MachineState *machine)
391 {
392     pc_compat_1_2(machine);
393     pc_init1(machine, 1, 0);
394 }
395 
396 static void pc_init_isa(MachineState *machine)
397 {
398     has_pci_info = false;
399     has_acpi_build = false;
400     smbios_defaults = false;
401     gigabyte_align = false;
402     smbios_legacy_mode = true;
403     has_reserved_memory = false;
404     option_rom_has_mr = true;
405     rom_file_has_mr = false;
406     if (!machine->cpu_model) {
407         machine->cpu_model = "486";
408     }
409     x86_cpu_compat_disable_kvm_features(FEAT_KVM, KVM_FEATURE_PV_EOI);
410     enable_compat_apic_id_mode();
411     pc_init1(machine, 0, 1);
412 }
413 
414 #ifdef CONFIG_XEN
415 static void pc_xen_hvm_init(MachineState *machine)
416 {
417     PCIBus *bus;
418 
419     pc_init_pci(machine);
420 
421     bus = pci_find_primary_bus();
422     if (bus != NULL) {
423         pci_create_simple(bus, -1, "xen-platform");
424     }
425 }
426 #endif
427 
428 #define PC_I440FX_MACHINE_OPTIONS \
429     PC_DEFAULT_MACHINE_OPTIONS, \
430     .desc = "Standard PC (i440FX + PIIX, 1996)", \
431     .hot_add_cpu = pc_hot_add_cpu
432 
433 #define PC_I440FX_2_1_MACHINE_OPTIONS                           \
434     PC_I440FX_MACHINE_OPTIONS,                                  \
435     .default_machine_opts = "firmware=bios-256k.bin"
436 
437 static QEMUMachine pc_i440fx_machine_v2_1 = {
438     PC_I440FX_2_1_MACHINE_OPTIONS,
439     .name = "pc-i440fx-2.1",
440     .alias = "pc",
441     .init = pc_init_pci,
442     .is_default = 1,
443 };
444 
445 #define PC_I440FX_2_0_MACHINE_OPTIONS PC_I440FX_2_1_MACHINE_OPTIONS
446 
447 static QEMUMachine pc_i440fx_machine_v2_0 = {
448     PC_I440FX_2_0_MACHINE_OPTIONS,
449     .name = "pc-i440fx-2.0",
450     .init = pc_init_pci_2_0,
451     .compat_props = (GlobalProperty[]) {
452         PC_COMPAT_2_0,
453         { /* end of list */ }
454     },
455 };
456 
457 #define PC_I440FX_1_7_MACHINE_OPTIONS PC_I440FX_MACHINE_OPTIONS
458 
459 static QEMUMachine pc_i440fx_machine_v1_7 = {
460     PC_I440FX_1_7_MACHINE_OPTIONS,
461     .name = "pc-i440fx-1.7",
462     .init = pc_init_pci_1_7,
463     .compat_props = (GlobalProperty[]) {
464         PC_COMPAT_1_7,
465         { /* end of list */ }
466     },
467 };
468 
469 #define PC_I440FX_1_6_MACHINE_OPTIONS PC_I440FX_MACHINE_OPTIONS
470 
471 static QEMUMachine pc_i440fx_machine_v1_6 = {
472     PC_I440FX_1_6_MACHINE_OPTIONS,
473     .name = "pc-i440fx-1.6",
474     .init = pc_init_pci_1_6,
475     .compat_props = (GlobalProperty[]) {
476         PC_COMPAT_1_6,
477         { /* end of list */ }
478     },
479 };
480 
481 static QEMUMachine pc_i440fx_machine_v1_5 = {
482     PC_I440FX_1_6_MACHINE_OPTIONS,
483     .name = "pc-i440fx-1.5",
484     .init = pc_init_pci_1_5,
485     .compat_props = (GlobalProperty[]) {
486         PC_COMPAT_1_5,
487         { /* end of list */ }
488     },
489 };
490 
491 #define PC_I440FX_1_4_MACHINE_OPTIONS \
492     PC_I440FX_1_6_MACHINE_OPTIONS, \
493     .hot_add_cpu = NULL
494 
495 static QEMUMachine pc_i440fx_machine_v1_4 = {
496     PC_I440FX_1_4_MACHINE_OPTIONS,
497     .name = "pc-i440fx-1.4",
498     .init = pc_init_pci_1_4,
499     .compat_props = (GlobalProperty[]) {
500         PC_COMPAT_1_4,
501         { /* end of list */ }
502     },
503 };
504 
505 #define PC_COMPAT_1_3 \
506 	PC_COMPAT_1_4, \
507         {\
508             .driver   = "usb-tablet",\
509             .property = "usb_version",\
510             .value    = stringify(1),\
511         },{\
512             .driver   = "virtio-net-pci",\
513             .property = "ctrl_mac_addr",\
514             .value    = "off",      \
515         },{ \
516             .driver   = "virtio-net-pci", \
517             .property = "mq", \
518             .value    = "off", \
519         }, {\
520             .driver   = "e1000",\
521             .property = "autonegotiation",\
522             .value    = "off",\
523         }
524 
525 static QEMUMachine pc_machine_v1_3 = {
526     PC_I440FX_1_4_MACHINE_OPTIONS,
527     .name = "pc-1.3",
528     .init = pc_init_pci_1_3,
529     .compat_props = (GlobalProperty[]) {
530         PC_COMPAT_1_3,
531         { /* end of list */ }
532     },
533 };
534 
535 #define PC_COMPAT_1_2 \
536         PC_COMPAT_1_3,\
537         {\
538             .driver   = "nec-usb-xhci",\
539             .property = "msi",\
540             .value    = "off",\
541         },{\
542             .driver   = "nec-usb-xhci",\
543             .property = "msix",\
544             .value    = "off",\
545         },{\
546             .driver   = "ivshmem",\
547             .property = "use64",\
548             .value    = "0",\
549         },{\
550             .driver   = "qxl",\
551             .property = "revision",\
552             .value    = stringify(3),\
553         },{\
554             .driver   = "qxl-vga",\
555             .property = "revision",\
556             .value    = stringify(3),\
557         },{\
558             .driver   = "VGA",\
559             .property = "mmio",\
560             .value    = "off",\
561         }
562 
563 #define PC_I440FX_1_2_MACHINE_OPTIONS \
564     PC_I440FX_1_4_MACHINE_OPTIONS, \
565     .init = pc_init_pci_1_2
566 
567 static QEMUMachine pc_machine_v1_2 = {
568     PC_I440FX_1_2_MACHINE_OPTIONS,
569     .name = "pc-1.2",
570     .compat_props = (GlobalProperty[]) {
571         PC_COMPAT_1_2,
572         { /* end of list */ }
573     },
574 };
575 
576 #define PC_COMPAT_1_1 \
577         PC_COMPAT_1_2,\
578         {\
579             .driver   = "virtio-scsi-pci",\
580             .property = "hotplug",\
581             .value    = "off",\
582         },{\
583             .driver   = "virtio-scsi-pci",\
584             .property = "param_change",\
585             .value    = "off",\
586         },{\
587             .driver   = "VGA",\
588             .property = "vgamem_mb",\
589             .value    = stringify(8),\
590         },{\
591             .driver   = "vmware-svga",\
592             .property = "vgamem_mb",\
593             .value    = stringify(8),\
594         },{\
595             .driver   = "qxl-vga",\
596             .property = "vgamem_mb",\
597             .value    = stringify(8),\
598         },{\
599             .driver   = "qxl",\
600             .property = "vgamem_mb",\
601             .value    = stringify(8),\
602         },{\
603             .driver   = "virtio-blk-pci",\
604             .property = "config-wce",\
605             .value    = "off",\
606         }
607 
608 static QEMUMachine pc_machine_v1_1 = {
609     PC_I440FX_1_2_MACHINE_OPTIONS,
610     .name = "pc-1.1",
611     .compat_props = (GlobalProperty[]) {
612         PC_COMPAT_1_1,
613         { /* end of list */ }
614     },
615 };
616 
617 #define PC_COMPAT_1_0 \
618         PC_COMPAT_1_1,\
619         {\
620             .driver   = TYPE_ISA_FDC,\
621             .property = "check_media_rate",\
622             .value    = "off",\
623         }, {\
624             .driver   = "virtio-balloon-pci",\
625             .property = "class",\
626             .value    = stringify(PCI_CLASS_MEMORY_RAM),\
627         },{\
628             .driver   = "apic",\
629             .property = "vapic",\
630             .value    = "off",\
631         },{\
632             .driver   = TYPE_USB_DEVICE,\
633             .property = "full-path",\
634             .value    = "no",\
635         }
636 
637 static QEMUMachine pc_machine_v1_0 = {
638     PC_I440FX_1_2_MACHINE_OPTIONS,
639     .name = "pc-1.0",
640     .compat_props = (GlobalProperty[]) {
641         PC_COMPAT_1_0,
642         { /* end of list */ }
643     },
644     .hw_version = "1.0",
645 };
646 
647 #define PC_COMPAT_0_15 \
648         PC_COMPAT_1_0
649 
650 static QEMUMachine pc_machine_v0_15 = {
651     PC_I440FX_1_2_MACHINE_OPTIONS,
652     .name = "pc-0.15",
653     .compat_props = (GlobalProperty[]) {
654         PC_COMPAT_0_15,
655         { /* end of list */ }
656     },
657     .hw_version = "0.15",
658 };
659 
660 #define PC_COMPAT_0_14 \
661         PC_COMPAT_0_15,\
662         {\
663             .driver   = "virtio-blk-pci",\
664             .property = "event_idx",\
665             .value    = "off",\
666         },{\
667             .driver   = "virtio-serial-pci",\
668             .property = "event_idx",\
669             .value    = "off",\
670         },{\
671             .driver   = "virtio-net-pci",\
672             .property = "event_idx",\
673             .value    = "off",\
674         },{\
675             .driver   = "virtio-balloon-pci",\
676             .property = "event_idx",\
677             .value    = "off",\
678         }
679 
680 static QEMUMachine pc_machine_v0_14 = {
681     PC_I440FX_1_2_MACHINE_OPTIONS,
682     .name = "pc-0.14",
683     .compat_props = (GlobalProperty[]) {
684         PC_COMPAT_0_14,
685         {
686             .driver   = "qxl",
687             .property = "revision",
688             .value    = stringify(2),
689         },{
690             .driver   = "qxl-vga",
691             .property = "revision",
692             .value    = stringify(2),
693         },
694         { /* end of list */ }
695     },
696     .hw_version = "0.14",
697 };
698 
699 #define PC_COMPAT_0_13 \
700         PC_COMPAT_0_14,\
701         {\
702             .driver   = TYPE_PCI_DEVICE,\
703             .property = "command_serr_enable",\
704             .value    = "off",\
705         },{\
706             .driver   = "AC97",\
707             .property = "use_broken_id",\
708             .value    = stringify(1),\
709         }
710 
711 #define PC_I440FX_0_13_MACHINE_OPTIONS \
712     PC_I440FX_1_2_MACHINE_OPTIONS, \
713     .init = pc_init_pci_no_kvmclock
714 
715 static QEMUMachine pc_machine_v0_13 = {
716     PC_I440FX_0_13_MACHINE_OPTIONS,
717     .name = "pc-0.13",
718     .compat_props = (GlobalProperty[]) {
719         PC_COMPAT_0_13,
720         {
721             .driver   = "virtio-9p-pci",
722             .property = "vectors",
723             .value    = stringify(0),
724         },{
725             .driver   = "VGA",
726             .property = "rombar",
727             .value    = stringify(0),
728         },{
729             .driver   = "vmware-svga",
730             .property = "rombar",
731             .value    = stringify(0),
732         },
733         { /* end of list */ }
734     },
735     .hw_version = "0.13",
736 };
737 
738 #define PC_COMPAT_0_12 \
739         PC_COMPAT_0_13,\
740         {\
741             .driver   = "virtio-serial-pci",\
742             .property = "max_ports",\
743             .value    = stringify(1),\
744         },{\
745             .driver   = "virtio-serial-pci",\
746             .property = "vectors",\
747             .value    = stringify(0),\
748         },{\
749             .driver   = "usb-mouse",\
750             .property = "serial",\
751             .value    = "1",\
752         },{\
753             .driver   = "usb-tablet",\
754             .property = "serial",\
755             .value    = "1",\
756         },{\
757             .driver   = "usb-kbd",\
758             .property = "serial",\
759             .value    = "1",\
760         }
761 
762 static QEMUMachine pc_machine_v0_12 = {
763     PC_I440FX_0_13_MACHINE_OPTIONS,
764     .name = "pc-0.12",
765     .compat_props = (GlobalProperty[]) {
766         PC_COMPAT_0_12,
767         {
768             .driver   = "VGA",
769             .property = "rombar",
770             .value    = stringify(0),
771         },{
772             .driver   = "vmware-svga",
773             .property = "rombar",
774             .value    = stringify(0),
775         },
776         { /* end of list */ }
777     },
778     .hw_version = "0.12",
779 };
780 
781 #define PC_COMPAT_0_11 \
782         PC_COMPAT_0_12,\
783         {\
784             .driver   = "virtio-blk-pci",\
785             .property = "vectors",\
786             .value    = stringify(0),\
787         },{\
788             .driver   = TYPE_PCI_DEVICE,\
789             .property = "rombar",\
790             .value    = stringify(0),\
791         }
792 
793 static QEMUMachine pc_machine_v0_11 = {
794     PC_I440FX_0_13_MACHINE_OPTIONS,
795     .name = "pc-0.11",
796     .compat_props = (GlobalProperty[]) {
797         PC_COMPAT_0_11,
798         {
799             .driver   = "ide-drive",
800             .property = "ver",
801             .value    = "0.11",
802         },{
803             .driver   = "scsi-disk",
804             .property = "ver",
805             .value    = "0.11",
806         },
807         { /* end of list */ }
808     },
809     .hw_version = "0.11",
810 };
811 
812 static QEMUMachine pc_machine_v0_10 = {
813     PC_I440FX_0_13_MACHINE_OPTIONS,
814     .name = "pc-0.10",
815     .compat_props = (GlobalProperty[]) {
816         PC_COMPAT_0_11,
817         {
818             .driver   = "virtio-blk-pci",
819             .property = "class",
820             .value    = stringify(PCI_CLASS_STORAGE_OTHER),
821         },{
822             .driver   = "virtio-serial-pci",
823             .property = "class",
824             .value    = stringify(PCI_CLASS_DISPLAY_OTHER),
825         },{
826             .driver   = "virtio-net-pci",
827             .property = "vectors",
828             .value    = stringify(0),
829         },{
830             .driver   = "ide-drive",
831             .property = "ver",
832             .value    = "0.10",
833         },{
834             .driver   = "scsi-disk",
835             .property = "ver",
836             .value    = "0.10",
837         },
838         { /* end of list */ }
839     },
840     .hw_version = "0.10",
841 };
842 
843 static QEMUMachine isapc_machine = {
844     PC_COMMON_MACHINE_OPTIONS,
845     .name = "isapc",
846     .desc = "ISA-only PC",
847     .init = pc_init_isa,
848     .max_cpus = 1,
849     .compat_props = (GlobalProperty[]) {
850         { /* end of list */ }
851     },
852 };
853 
854 #ifdef CONFIG_XEN
855 static QEMUMachine xenfv_machine = {
856     PC_COMMON_MACHINE_OPTIONS,
857     .name = "xenfv",
858     .desc = "Xen Fully-virtualized PC",
859     .init = pc_xen_hvm_init,
860     .max_cpus = HVM_MAX_VCPUS,
861     .default_machine_opts = "accel=xen",
862     .hot_add_cpu = pc_hot_add_cpu,
863     .compat_props = (GlobalProperty[]) {
864         /* xenfv has no fwcfg and so does not load acpi from QEMU.
865          * as such new acpi features don't work.
866          */
867         {
868             .driver   = "PIIX4_PM",
869             .property = "acpi-pci-hotplug-with-bridge-support",
870             .value    = "off",
871         },
872         { /* end of list */ }
873     },
874 };
875 #endif
876 
877 static void pc_machine_init(void)
878 {
879     qemu_register_pc_machine(&pc_i440fx_machine_v2_1);
880     qemu_register_pc_machine(&pc_i440fx_machine_v2_0);
881     qemu_register_pc_machine(&pc_i440fx_machine_v1_7);
882     qemu_register_pc_machine(&pc_i440fx_machine_v1_6);
883     qemu_register_pc_machine(&pc_i440fx_machine_v1_5);
884     qemu_register_pc_machine(&pc_i440fx_machine_v1_4);
885     qemu_register_pc_machine(&pc_machine_v1_3);
886     qemu_register_pc_machine(&pc_machine_v1_2);
887     qemu_register_pc_machine(&pc_machine_v1_1);
888     qemu_register_pc_machine(&pc_machine_v1_0);
889     qemu_register_pc_machine(&pc_machine_v0_15);
890     qemu_register_pc_machine(&pc_machine_v0_14);
891     qemu_register_pc_machine(&pc_machine_v0_13);
892     qemu_register_pc_machine(&pc_machine_v0_12);
893     qemu_register_pc_machine(&pc_machine_v0_11);
894     qemu_register_pc_machine(&pc_machine_v0_10);
895     qemu_register_pc_machine(&isapc_machine);
896 #ifdef CONFIG_XEN
897     qemu_register_pc_machine(&xenfv_machine);
898 #endif
899 }
900 
901 machine_init(pc_machine_init);
902