xref: /openbmc/qemu/hw/i386/pc_piix.c (revision 07a32d6b)
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 #ifdef CONFIG_XEN
52 #  include <xen/hvm/hvm_info_table.h>
53 #endif
54 
55 #define MAX_IDE_BUS 2
56 
57 static const int ide_iobase[MAX_IDE_BUS] = { 0x1f0, 0x170 };
58 static const int ide_iobase2[MAX_IDE_BUS] = { 0x3f6, 0x376 };
59 static const int ide_irq[MAX_IDE_BUS] = { 14, 15 };
60 
61 static bool has_pci_info;
62 static bool has_acpi_build = true;
63 static bool smbios_defaults = true;
64 static bool smbios_legacy_mode;
65 /* Make sure that guest addresses aligned at 1Gbyte boundaries get mapped to
66  * host addresses aligned at 1Gbyte boundaries.  This way we can use 1GByte
67  * pages in the host.
68  */
69 static bool gigabyte_align = true;
70 static bool has_reserved_memory = true;
71 
72 /* PC hardware initialisation */
73 static void pc_init1(MachineState *machine,
74                      int pci_enabled,
75                      int kvmclock_enabled)
76 {
77     PCMachineState *pc_machine = PC_MACHINE(machine);
78     MemoryRegion *system_memory = get_system_memory();
79     MemoryRegion *system_io = get_system_io();
80     int i;
81     ram_addr_t below_4g_mem_size, above_4g_mem_size;
82     PCIBus *pci_bus;
83     ISABus *isa_bus;
84     PCII440FXState *i440fx_state;
85     int piix3_devfn = -1;
86     qemu_irq *cpu_irq;
87     qemu_irq *gsi;
88     qemu_irq *i8259;
89     qemu_irq *smi_irq;
90     GSIState *gsi_state;
91     DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
92     BusState *idebus[MAX_IDE_BUS];
93     ISADevice *rtc_state;
94     ISADevice *floppy;
95     MemoryRegion *ram_memory;
96     MemoryRegion *pci_memory;
97     MemoryRegion *rom_memory;
98     DeviceState *icc_bridge;
99     FWCfgState *fw_cfg = NULL;
100     PcGuestInfo *guest_info;
101 
102     if (xen_enabled() && xen_hvm_init(&ram_memory) != 0) {
103         fprintf(stderr, "xen hardware virtual machine initialisation failed\n");
104         exit(1);
105     }
106 
107     icc_bridge = qdev_create(NULL, TYPE_ICC_BRIDGE);
108     object_property_add_child(qdev_get_machine(), "icc-bridge",
109                               OBJECT(icc_bridge), NULL);
110 
111     pc_cpus_init(machine->cpu_model, icc_bridge);
112 
113     if (kvm_enabled() && kvmclock_enabled) {
114         kvmclock_create();
115     }
116 
117     /* Check whether RAM fits below 4G (leaving 1/2 GByte for IO memory).
118      * If it doesn't, we need to split it in chunks below and above 4G.
119      * In any case, try to make sure that guest addresses aligned at
120      * 1G boundaries get mapped to host addresses aligned at 1G boundaries.
121      * For old machine types, use whatever split we used historically to avoid
122      * breaking migration.
123      */
124     if (machine->ram_size >= 0xe0000000) {
125         ram_addr_t lowmem = gigabyte_align ? 0xc0000000 : 0xe0000000;
126         above_4g_mem_size = machine->ram_size - lowmem;
127         below_4g_mem_size = lowmem;
128     } else {
129         above_4g_mem_size = 0;
130         below_4g_mem_size = machine->ram_size;
131     }
132 
133     if (pci_enabled) {
134         pci_memory = g_new(MemoryRegion, 1);
135         memory_region_init(pci_memory, NULL, "pci", UINT64_MAX);
136         rom_memory = pci_memory;
137     } else {
138         pci_memory = NULL;
139         rom_memory = system_memory;
140     }
141 
142     guest_info = pc_guest_info_init(below_4g_mem_size, above_4g_mem_size);
143 
144     guest_info->has_acpi_build = has_acpi_build;
145 
146     guest_info->has_pci_info = has_pci_info;
147     guest_info->isapc_ram_fw = !pci_enabled;
148     guest_info->has_reserved_memory = has_reserved_memory;
149 
150     if (smbios_defaults) {
151         MachineClass *mc = MACHINE_GET_CLASS(machine);
152         /* These values are guest ABI, do not change */
153         smbios_set_defaults("QEMU", "Standard PC (i440FX + PIIX, 1996)",
154                             mc->name, smbios_legacy_mode);
155     }
156 
157     /* allocate ram and load rom/bios */
158     if (!xen_enabled()) {
159         fw_cfg = pc_memory_init(system_memory,
160                        machine->kernel_filename, machine->kernel_cmdline,
161                        machine->initrd_filename,
162                        below_4g_mem_size, above_4g_mem_size,
163                        rom_memory, &ram_memory, guest_info);
164     }
165 
166     gsi_state = g_malloc0(sizeof(*gsi_state));
167     if (kvm_irqchip_in_kernel()) {
168         kvm_pc_setup_irq_routing(pci_enabled);
169         gsi = qemu_allocate_irqs(kvm_pc_gsi_handler, gsi_state,
170                                  GSI_NUM_PINS);
171     } else {
172         gsi = qemu_allocate_irqs(gsi_handler, gsi_state, GSI_NUM_PINS);
173     }
174 
175     if (pci_enabled) {
176         pci_bus = i440fx_init(&i440fx_state, &piix3_devfn, &isa_bus, gsi,
177                               system_memory, system_io, machine->ram_size,
178                               below_4g_mem_size,
179                               above_4g_mem_size,
180                               pci_memory, ram_memory);
181     } else {
182         pci_bus = NULL;
183         i440fx_state = NULL;
184         isa_bus = isa_bus_new(NULL, system_io);
185         no_hpet = 1;
186     }
187     isa_bus_irqs(isa_bus, gsi);
188 
189     if (kvm_irqchip_in_kernel()) {
190         i8259 = kvm_i8259_init(isa_bus);
191     } else if (xen_enabled()) {
192         i8259 = xen_interrupt_controller_init();
193     } else {
194         cpu_irq = pc_allocate_cpu_irq();
195         i8259 = i8259_init(isa_bus, cpu_irq[0]);
196     }
197 
198     for (i = 0; i < ISA_NUM_IRQS; i++) {
199         gsi_state->i8259_irq[i] = i8259[i];
200     }
201     if (pci_enabled) {
202         ioapic_init_gsi(gsi_state, "i440fx");
203     }
204     qdev_init_nofail(icc_bridge);
205 
206     pc_register_ferr_irq(gsi[13]);
207 
208     pc_vga_init(isa_bus, pci_enabled ? pci_bus : NULL);
209 
210     /* init basic PC hardware */
211     pc_basic_device_init(isa_bus, gsi, &rtc_state, &floppy, xen_enabled(),
212         0x4);
213 
214     pc_nic_init(isa_bus, pci_bus);
215 
216     ide_drive_get(hd, MAX_IDE_BUS);
217     if (pci_enabled) {
218         PCIDevice *dev;
219         if (xen_enabled()) {
220             dev = pci_piix3_xen_ide_init(pci_bus, hd, piix3_devfn + 1);
221         } else {
222             dev = pci_piix3_ide_init(pci_bus, hd, piix3_devfn + 1);
223         }
224         idebus[0] = qdev_get_child_bus(&dev->qdev, "ide.0");
225         idebus[1] = qdev_get_child_bus(&dev->qdev, "ide.1");
226     } else {
227         for(i = 0; i < MAX_IDE_BUS; i++) {
228             ISADevice *dev;
229             char busname[] = "ide.0";
230             dev = isa_ide_init(isa_bus, ide_iobase[i], ide_iobase2[i],
231                                ide_irq[i],
232                                hd[MAX_IDE_DEVS * i], hd[MAX_IDE_DEVS * i + 1]);
233             /*
234              * The ide bus name is ide.0 for the first bus and ide.1 for the
235              * second one.
236              */
237             busname[4] = '0' + i;
238             idebus[i] = qdev_get_child_bus(DEVICE(dev), busname);
239         }
240     }
241 
242     pc_cmos_init(below_4g_mem_size, above_4g_mem_size, machine->boot_order,
243                  floppy, idebus[0], idebus[1], rtc_state);
244 
245     if (pci_enabled && usb_enabled(false)) {
246         pci_create_simple(pci_bus, piix3_devfn + 2, "piix3-usb-uhci");
247     }
248 
249     if (pci_enabled && acpi_enabled) {
250         DeviceState *piix4_pm;
251         I2CBus *smbus;
252 
253         smi_irq = qemu_allocate_irqs(pc_acpi_smi_interrupt, first_cpu, 1);
254         /* TODO: Populate SPD eeprom data.  */
255         smbus = piix4_pm_init(pci_bus, piix3_devfn + 3, 0xb100,
256                               gsi[9], *smi_irq,
257                               kvm_enabled(), fw_cfg, &piix4_pm);
258         smbus_eeprom_init(smbus, 8, NULL, 0);
259 
260         object_property_add_link(OBJECT(machine), PC_MACHINE_ACPI_DEVICE_PROP,
261                                  TYPE_HOTPLUG_HANDLER,
262                                  (Object **)&pc_machine->acpi_dev,
263                                  object_property_allow_set_link,
264                                  OBJ_PROP_LINK_UNREF_ON_RELEASE, &error_abort);
265         object_property_set_link(OBJECT(machine), OBJECT(piix4_pm),
266                                  PC_MACHINE_ACPI_DEVICE_PROP, &error_abort);
267     }
268 
269     if (pci_enabled) {
270         pc_pci_device_init(pci_bus);
271     }
272 }
273 
274 static void pc_init_pci(MachineState *machine)
275 {
276     pc_init1(machine, 1, 1);
277 }
278 
279 static void pc_compat_2_0(MachineState *machine)
280 {
281     smbios_legacy_mode = true;
282     has_reserved_memory = false;
283 }
284 
285 static void pc_compat_1_7(MachineState *machine)
286 {
287     pc_compat_2_0(machine);
288     smbios_defaults = false;
289     gigabyte_align = false;
290     option_rom_has_mr = true;
291     x86_cpu_compat_disable_kvm_features(FEAT_1_ECX, CPUID_EXT_X2APIC);
292 }
293 
294 static void pc_compat_1_6(MachineState *machine)
295 {
296     pc_compat_1_7(machine);
297     has_pci_info = false;
298     rom_file_has_mr = false;
299     has_acpi_build = false;
300 }
301 
302 static void pc_compat_1_5(MachineState *machine)
303 {
304     pc_compat_1_6(machine);
305 }
306 
307 static void pc_compat_1_4(MachineState *machine)
308 {
309     pc_compat_1_5(machine);
310     x86_cpu_compat_set_features("n270", FEAT_1_ECX, 0, CPUID_EXT_MOVBE);
311     x86_cpu_compat_set_features("Westmere", FEAT_1_ECX, 0, CPUID_EXT_PCLMULQDQ);
312 }
313 
314 static void pc_compat_1_3(MachineState *machine)
315 {
316     pc_compat_1_4(machine);
317     enable_compat_apic_id_mode();
318 }
319 
320 /* PC compat function for pc-0.14 to pc-1.2 */
321 static void pc_compat_1_2(MachineState *machine)
322 {
323     pc_compat_1_3(machine);
324     x86_cpu_compat_disable_kvm_features(FEAT_KVM, KVM_FEATURE_PV_EOI);
325 }
326 
327 static void pc_init_pci_2_0(MachineState *machine)
328 {
329     pc_compat_2_0(machine);
330     pc_init_pci(machine);
331 }
332 
333 static void pc_init_pci_1_7(MachineState *machine)
334 {
335     pc_compat_1_7(machine);
336     pc_init_pci(machine);
337 }
338 
339 static void pc_init_pci_1_6(MachineState *machine)
340 {
341     pc_compat_1_6(machine);
342     pc_init_pci(machine);
343 }
344 
345 static void pc_init_pci_1_5(MachineState *machine)
346 {
347     pc_compat_1_5(machine);
348     pc_init_pci(machine);
349 }
350 
351 static void pc_init_pci_1_4(MachineState *machine)
352 {
353     pc_compat_1_4(machine);
354     pc_init_pci(machine);
355 }
356 
357 static void pc_init_pci_1_3(MachineState *machine)
358 {
359     pc_compat_1_3(machine);
360     pc_init_pci(machine);
361 }
362 
363 /* PC machine init function for pc-0.14 to pc-1.2 */
364 static void pc_init_pci_1_2(MachineState *machine)
365 {
366     pc_compat_1_2(machine);
367     pc_init_pci(machine);
368 }
369 
370 /* PC init function for pc-0.10 to pc-0.13, and reused by xenfv */
371 static void pc_init_pci_no_kvmclock(MachineState *machine)
372 {
373     has_pci_info = false;
374     has_acpi_build = false;
375     smbios_defaults = false;
376     x86_cpu_compat_disable_kvm_features(FEAT_KVM, KVM_FEATURE_PV_EOI);
377     enable_compat_apic_id_mode();
378     pc_init1(machine, 1, 0);
379 }
380 
381 static void pc_init_isa(MachineState *machine)
382 {
383     has_pci_info = false;
384     has_acpi_build = false;
385     smbios_defaults = false;
386     if (!machine->cpu_model) {
387         machine->cpu_model = "486";
388     }
389     x86_cpu_compat_disable_kvm_features(FEAT_KVM, KVM_FEATURE_PV_EOI);
390     enable_compat_apic_id_mode();
391     pc_init1(machine, 0, 1);
392 }
393 
394 #ifdef CONFIG_XEN
395 static void pc_xen_hvm_init(MachineState *machine)
396 {
397     PCIBus *bus;
398 
399     pc_init_pci(machine);
400 
401     bus = pci_find_primary_bus();
402     if (bus != NULL) {
403         pci_create_simple(bus, -1, "xen-platform");
404     }
405 }
406 #endif
407 
408 #define PC_I440FX_MACHINE_OPTIONS \
409     PC_DEFAULT_MACHINE_OPTIONS, \
410     .desc = "Standard PC (i440FX + PIIX, 1996)", \
411     .hot_add_cpu = pc_hot_add_cpu
412 
413 #define PC_I440FX_2_1_MACHINE_OPTIONS                           \
414     PC_I440FX_MACHINE_OPTIONS,                                  \
415     .default_machine_opts = "firmware=bios-256k.bin"
416 
417 static QEMUMachine pc_i440fx_machine_v2_1 = {
418     PC_I440FX_2_1_MACHINE_OPTIONS,
419     .name = "pc-i440fx-2.1",
420     .alias = "pc",
421     .init = pc_init_pci,
422     .is_default = 1,
423 };
424 
425 #define PC_I440FX_2_0_MACHINE_OPTIONS PC_I440FX_2_1_MACHINE_OPTIONS
426 
427 static QEMUMachine pc_i440fx_machine_v2_0 = {
428     PC_I440FX_2_0_MACHINE_OPTIONS,
429     .name = "pc-i440fx-2.0",
430     .init = pc_init_pci_2_0,
431     .compat_props = (GlobalProperty[]) {
432         PC_COMPAT_2_0,
433         { /* end of list */ }
434     },
435 };
436 
437 #define PC_I440FX_1_7_MACHINE_OPTIONS PC_I440FX_MACHINE_OPTIONS
438 
439 static QEMUMachine pc_i440fx_machine_v1_7 = {
440     PC_I440FX_1_7_MACHINE_OPTIONS,
441     .name = "pc-i440fx-1.7",
442     .init = pc_init_pci_1_7,
443     .compat_props = (GlobalProperty[]) {
444         PC_COMPAT_1_7,
445         { /* end of list */ }
446     },
447 };
448 
449 #define PC_I440FX_1_6_MACHINE_OPTIONS PC_I440FX_MACHINE_OPTIONS
450 
451 static QEMUMachine pc_i440fx_machine_v1_6 = {
452     PC_I440FX_1_6_MACHINE_OPTIONS,
453     .name = "pc-i440fx-1.6",
454     .init = pc_init_pci_1_6,
455     .compat_props = (GlobalProperty[]) {
456         PC_COMPAT_1_6,
457         { /* end of list */ }
458     },
459 };
460 
461 static QEMUMachine pc_i440fx_machine_v1_5 = {
462     PC_I440FX_1_6_MACHINE_OPTIONS,
463     .name = "pc-i440fx-1.5",
464     .init = pc_init_pci_1_5,
465     .compat_props = (GlobalProperty[]) {
466         PC_COMPAT_1_5,
467         { /* end of list */ }
468     },
469 };
470 
471 #define PC_I440FX_1_4_MACHINE_OPTIONS \
472     PC_I440FX_1_6_MACHINE_OPTIONS, \
473     .hot_add_cpu = NULL
474 
475 static QEMUMachine pc_i440fx_machine_v1_4 = {
476     PC_I440FX_1_4_MACHINE_OPTIONS,
477     .name = "pc-i440fx-1.4",
478     .init = pc_init_pci_1_4,
479     .compat_props = (GlobalProperty[]) {
480         PC_COMPAT_1_4,
481         { /* end of list */ }
482     },
483 };
484 
485 #define PC_COMPAT_1_3 \
486 	PC_COMPAT_1_4, \
487         {\
488             .driver   = "usb-tablet",\
489             .property = "usb_version",\
490             .value    = stringify(1),\
491         },{\
492             .driver   = "virtio-net-pci",\
493             .property = "ctrl_mac_addr",\
494             .value    = "off",      \
495         },{ \
496             .driver   = "virtio-net-pci", \
497             .property = "mq", \
498             .value    = "off", \
499         }, {\
500             .driver   = "e1000",\
501             .property = "autonegotiation",\
502             .value    = "off",\
503         }
504 
505 static QEMUMachine pc_machine_v1_3 = {
506     PC_I440FX_1_4_MACHINE_OPTIONS,
507     .name = "pc-1.3",
508     .init = pc_init_pci_1_3,
509     .compat_props = (GlobalProperty[]) {
510         PC_COMPAT_1_3,
511         { /* end of list */ }
512     },
513 };
514 
515 #define PC_COMPAT_1_2 \
516         PC_COMPAT_1_3,\
517         {\
518             .driver   = "nec-usb-xhci",\
519             .property = "msi",\
520             .value    = "off",\
521         },{\
522             .driver   = "nec-usb-xhci",\
523             .property = "msix",\
524             .value    = "off",\
525         },{\
526             .driver   = "ivshmem",\
527             .property = "use64",\
528             .value    = "0",\
529         },{\
530             .driver   = "qxl",\
531             .property = "revision",\
532             .value    = stringify(3),\
533         },{\
534             .driver   = "qxl-vga",\
535             .property = "revision",\
536             .value    = stringify(3),\
537         },{\
538             .driver   = "VGA",\
539             .property = "mmio",\
540             .value    = "off",\
541         }
542 
543 #define PC_I440FX_1_2_MACHINE_OPTIONS \
544     PC_I440FX_1_4_MACHINE_OPTIONS, \
545     .init = pc_init_pci_1_2
546 
547 static QEMUMachine pc_machine_v1_2 = {
548     PC_I440FX_1_2_MACHINE_OPTIONS,
549     .name = "pc-1.2",
550     .compat_props = (GlobalProperty[]) {
551         PC_COMPAT_1_2,
552         { /* end of list */ }
553     },
554 };
555 
556 #define PC_COMPAT_1_1 \
557         PC_COMPAT_1_2,\
558         {\
559             .driver   = "virtio-scsi-pci",\
560             .property = "hotplug",\
561             .value    = "off",\
562         },{\
563             .driver   = "virtio-scsi-pci",\
564             .property = "param_change",\
565             .value    = "off",\
566         },{\
567             .driver   = "VGA",\
568             .property = "vgamem_mb",\
569             .value    = stringify(8),\
570         },{\
571             .driver   = "vmware-svga",\
572             .property = "vgamem_mb",\
573             .value    = stringify(8),\
574         },{\
575             .driver   = "qxl-vga",\
576             .property = "vgamem_mb",\
577             .value    = stringify(8),\
578         },{\
579             .driver   = "qxl",\
580             .property = "vgamem_mb",\
581             .value    = stringify(8),\
582         },{\
583             .driver   = "virtio-blk-pci",\
584             .property = "config-wce",\
585             .value    = "off",\
586         }
587 
588 static QEMUMachine pc_machine_v1_1 = {
589     PC_I440FX_1_2_MACHINE_OPTIONS,
590     .name = "pc-1.1",
591     .compat_props = (GlobalProperty[]) {
592         PC_COMPAT_1_1,
593         { /* end of list */ }
594     },
595 };
596 
597 #define PC_COMPAT_1_0 \
598         PC_COMPAT_1_1,\
599         {\
600             .driver   = TYPE_ISA_FDC,\
601             .property = "check_media_rate",\
602             .value    = "off",\
603         }, {\
604             .driver   = "virtio-balloon-pci",\
605             .property = "class",\
606             .value    = stringify(PCI_CLASS_MEMORY_RAM),\
607         },{\
608             .driver   = "apic",\
609             .property = "vapic",\
610             .value    = "off",\
611         },{\
612             .driver   = TYPE_USB_DEVICE,\
613             .property = "full-path",\
614             .value    = "no",\
615         }
616 
617 static QEMUMachine pc_machine_v1_0 = {
618     PC_I440FX_1_2_MACHINE_OPTIONS,
619     .name = "pc-1.0",
620     .compat_props = (GlobalProperty[]) {
621         PC_COMPAT_1_0,
622         { /* end of list */ }
623     },
624     .hw_version = "1.0",
625 };
626 
627 #define PC_COMPAT_0_15 \
628         PC_COMPAT_1_0
629 
630 static QEMUMachine pc_machine_v0_15 = {
631     PC_I440FX_1_2_MACHINE_OPTIONS,
632     .name = "pc-0.15",
633     .compat_props = (GlobalProperty[]) {
634         PC_COMPAT_0_15,
635         { /* end of list */ }
636     },
637     .hw_version = "0.15",
638 };
639 
640 #define PC_COMPAT_0_14 \
641         PC_COMPAT_0_15,\
642         {\
643             .driver   = "virtio-blk-pci",\
644             .property = "event_idx",\
645             .value    = "off",\
646         },{\
647             .driver   = "virtio-serial-pci",\
648             .property = "event_idx",\
649             .value    = "off",\
650         },{\
651             .driver   = "virtio-net-pci",\
652             .property = "event_idx",\
653             .value    = "off",\
654         },{\
655             .driver   = "virtio-balloon-pci",\
656             .property = "event_idx",\
657             .value    = "off",\
658         }
659 
660 static QEMUMachine pc_machine_v0_14 = {
661     PC_I440FX_1_2_MACHINE_OPTIONS,
662     .name = "pc-0.14",
663     .compat_props = (GlobalProperty[]) {
664         PC_COMPAT_0_14,
665         {
666             .driver   = "qxl",
667             .property = "revision",
668             .value    = stringify(2),
669         },{
670             .driver   = "qxl-vga",
671             .property = "revision",
672             .value    = stringify(2),
673         },
674         { /* end of list */ }
675     },
676     .hw_version = "0.14",
677 };
678 
679 #define PC_COMPAT_0_13 \
680         PC_COMPAT_0_14,\
681         {\
682             .driver   = TYPE_PCI_DEVICE,\
683             .property = "command_serr_enable",\
684             .value    = "off",\
685         },{\
686             .driver   = "AC97",\
687             .property = "use_broken_id",\
688             .value    = stringify(1),\
689         }
690 
691 #define PC_I440FX_0_13_MACHINE_OPTIONS \
692     PC_I440FX_1_2_MACHINE_OPTIONS, \
693     .init = pc_init_pci_no_kvmclock
694 
695 static QEMUMachine pc_machine_v0_13 = {
696     PC_I440FX_0_13_MACHINE_OPTIONS,
697     .name = "pc-0.13",
698     .compat_props = (GlobalProperty[]) {
699         PC_COMPAT_0_13,
700         {
701             .driver   = "virtio-9p-pci",
702             .property = "vectors",
703             .value    = stringify(0),
704         },{
705             .driver   = "VGA",
706             .property = "rombar",
707             .value    = stringify(0),
708         },{
709             .driver   = "vmware-svga",
710             .property = "rombar",
711             .value    = stringify(0),
712         },
713         { /* end of list */ }
714     },
715     .hw_version = "0.13",
716 };
717 
718 #define PC_COMPAT_0_12 \
719         PC_COMPAT_0_13,\
720         {\
721             .driver   = "virtio-serial-pci",\
722             .property = "max_ports",\
723             .value    = stringify(1),\
724         },{\
725             .driver   = "virtio-serial-pci",\
726             .property = "vectors",\
727             .value    = stringify(0),\
728         },{\
729             .driver   = "usb-mouse",\
730             .property = "serial",\
731             .value    = "1",\
732         },{\
733             .driver   = "usb-tablet",\
734             .property = "serial",\
735             .value    = "1",\
736         },{\
737             .driver   = "usb-kbd",\
738             .property = "serial",\
739             .value    = "1",\
740         }
741 
742 static QEMUMachine pc_machine_v0_12 = {
743     PC_I440FX_0_13_MACHINE_OPTIONS,
744     .name = "pc-0.12",
745     .compat_props = (GlobalProperty[]) {
746         PC_COMPAT_0_12,
747         {
748             .driver   = "VGA",
749             .property = "rombar",
750             .value    = stringify(0),
751         },{
752             .driver   = "vmware-svga",
753             .property = "rombar",
754             .value    = stringify(0),
755         },
756         { /* end of list */ }
757     },
758     .hw_version = "0.12",
759 };
760 
761 #define PC_COMPAT_0_11 \
762         PC_COMPAT_0_12,\
763         {\
764             .driver   = "virtio-blk-pci",\
765             .property = "vectors",\
766             .value    = stringify(0),\
767         },{\
768             .driver   = TYPE_PCI_DEVICE,\
769             .property = "rombar",\
770             .value    = stringify(0),\
771         }
772 
773 static QEMUMachine pc_machine_v0_11 = {
774     PC_I440FX_0_13_MACHINE_OPTIONS,
775     .name = "pc-0.11",
776     .compat_props = (GlobalProperty[]) {
777         PC_COMPAT_0_11,
778         {
779             .driver   = "ide-drive",
780             .property = "ver",
781             .value    = "0.11",
782         },{
783             .driver   = "scsi-disk",
784             .property = "ver",
785             .value    = "0.11",
786         },
787         { /* end of list */ }
788     },
789     .hw_version = "0.11",
790 };
791 
792 static QEMUMachine pc_machine_v0_10 = {
793     PC_I440FX_0_13_MACHINE_OPTIONS,
794     .name = "pc-0.10",
795     .compat_props = (GlobalProperty[]) {
796         PC_COMPAT_0_11,
797         {
798             .driver   = "virtio-blk-pci",
799             .property = "class",
800             .value    = stringify(PCI_CLASS_STORAGE_OTHER),
801         },{
802             .driver   = "virtio-serial-pci",
803             .property = "class",
804             .value    = stringify(PCI_CLASS_DISPLAY_OTHER),
805         },{
806             .driver   = "virtio-net-pci",
807             .property = "vectors",
808             .value    = stringify(0),
809         },{
810             .driver   = "ide-drive",
811             .property = "ver",
812             .value    = "0.10",
813         },{
814             .driver   = "scsi-disk",
815             .property = "ver",
816             .value    = "0.10",
817         },
818         { /* end of list */ }
819     },
820     .hw_version = "0.10",
821 };
822 
823 static QEMUMachine isapc_machine = {
824     PC_COMMON_MACHINE_OPTIONS,
825     .name = "isapc",
826     .desc = "ISA-only PC",
827     .init = pc_init_isa,
828     .max_cpus = 1,
829     .compat_props = (GlobalProperty[]) {
830         { /* end of list */ }
831     },
832 };
833 
834 #ifdef CONFIG_XEN
835 static QEMUMachine xenfv_machine = {
836     PC_COMMON_MACHINE_OPTIONS,
837     .name = "xenfv",
838     .desc = "Xen Fully-virtualized PC",
839     .init = pc_xen_hvm_init,
840     .max_cpus = HVM_MAX_VCPUS,
841     .default_machine_opts = "accel=xen",
842     .hot_add_cpu = pc_hot_add_cpu,
843     .compat_props = (GlobalProperty[]) {
844         /* xenfv has no fwcfg and so does not load acpi from QEMU.
845          * as such new acpi features don't work.
846          */
847         {
848             .driver   = "PIIX4_PM",
849             .property = "acpi-pci-hotplug-with-bridge-support",
850             .value    = "off",
851         },
852         { /* end of list */ }
853     },
854 };
855 #endif
856 
857 static void pc_machine_init(void)
858 {
859     qemu_register_pc_machine(&pc_i440fx_machine_v2_1);
860     qemu_register_pc_machine(&pc_i440fx_machine_v2_0);
861     qemu_register_pc_machine(&pc_i440fx_machine_v1_7);
862     qemu_register_pc_machine(&pc_i440fx_machine_v1_6);
863     qemu_register_pc_machine(&pc_i440fx_machine_v1_5);
864     qemu_register_pc_machine(&pc_i440fx_machine_v1_4);
865     qemu_register_pc_machine(&pc_machine_v1_3);
866     qemu_register_pc_machine(&pc_machine_v1_2);
867     qemu_register_pc_machine(&pc_machine_v1_1);
868     qemu_register_pc_machine(&pc_machine_v1_0);
869     qemu_register_pc_machine(&pc_machine_v0_15);
870     qemu_register_pc_machine(&pc_machine_v0_14);
871     qemu_register_pc_machine(&pc_machine_v0_13);
872     qemu_register_pc_machine(&pc_machine_v0_12);
873     qemu_register_pc_machine(&pc_machine_v0_11);
874     qemu_register_pc_machine(&pc_machine_v0_10);
875     qemu_register_pc_machine(&isapc_machine);
876 #ifdef CONFIG_XEN
877     qemu_register_pc_machine(&xenfv_machine);
878 #endif
879 }
880 
881 machine_init(pc_machine_init);
882