xref: /openbmc/qemu/hw/i386/pc_piix.c (revision 953ea14d)
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/block-backend.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_acpi_build = true;
63 static int legacy_acpi_table_size;
64 static bool smbios_defaults = true;
65 static bool smbios_legacy_mode;
66 static bool smbios_uuid_encoded = true;
67 /* Make sure that guest addresses aligned at 1Gbyte boundaries get mapped to
68  * host addresses aligned at 1Gbyte boundaries.  This way we can use 1GByte
69  * pages in the host.
70  */
71 static bool gigabyte_align = true;
72 static bool has_reserved_memory = true;
73 
74 /* PC hardware initialisation */
75 static void pc_init1(MachineState *machine,
76                      int pci_enabled,
77                      int kvmclock_enabled)
78 {
79     PCMachineState *pc_machine = PC_MACHINE(machine);
80     MemoryRegion *system_memory = get_system_memory();
81     MemoryRegion *system_io = get_system_io();
82     int i;
83     ram_addr_t below_4g_mem_size, above_4g_mem_size;
84     PCIBus *pci_bus;
85     ISABus *isa_bus;
86     PCII440FXState *i440fx_state;
87     int piix3_devfn = -1;
88     qemu_irq *cpu_irq;
89     qemu_irq *gsi;
90     qemu_irq *i8259;
91     qemu_irq *smi_irq;
92     GSIState *gsi_state;
93     DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
94     BusState *idebus[MAX_IDE_BUS];
95     ISADevice *rtc_state;
96     ISADevice *floppy;
97     MemoryRegion *ram_memory;
98     MemoryRegion *pci_memory;
99     MemoryRegion *rom_memory;
100     DeviceState *icc_bridge;
101     FWCfgState *fw_cfg = NULL;
102     PcGuestInfo *guest_info;
103     ram_addr_t lowmem;
104 
105     /* Check whether RAM fits below 4G (leaving 1/2 GByte for IO memory).
106      * If it doesn't, we need to split it in chunks below and above 4G.
107      * In any case, try to make sure that guest addresses aligned at
108      * 1G boundaries get mapped to host addresses aligned at 1G boundaries.
109      * For old machine types, use whatever split we used historically to avoid
110      * breaking migration.
111      */
112     if (machine->ram_size >= 0xe0000000) {
113         lowmem = gigabyte_align ? 0xc0000000 : 0xe0000000;
114     } else {
115         lowmem = 0xe0000000;
116     }
117 
118     /* Handle the machine opt max-ram-below-4g.  It is basically doing
119      * min(qemu limit, user limit).
120      */
121     if (lowmem > pc_machine->max_ram_below_4g) {
122         lowmem = pc_machine->max_ram_below_4g;
123         if (machine->ram_size - lowmem > lowmem &&
124             lowmem & ((1ULL << 30) - 1)) {
125             error_report("Warning: Large machine and max_ram_below_4g(%"PRIu64
126                          ") not a multiple of 1G; possible bad performance.",
127                          pc_machine->max_ram_below_4g);
128         }
129     }
130 
131     if (machine->ram_size >= lowmem) {
132         above_4g_mem_size = machine->ram_size - lowmem;
133         below_4g_mem_size = lowmem;
134     } else {
135         above_4g_mem_size = 0;
136         below_4g_mem_size = machine->ram_size;
137     }
138 
139     if (xen_enabled() && xen_hvm_init(&below_4g_mem_size, &above_4g_mem_size,
140                                       &ram_memory) != 0) {
141         fprintf(stderr, "xen hardware virtual machine initialisation failed\n");
142         exit(1);
143     }
144 
145     icc_bridge = qdev_create(NULL, TYPE_ICC_BRIDGE);
146     object_property_add_child(qdev_get_machine(), "icc-bridge",
147                               OBJECT(icc_bridge), NULL);
148 
149     pc_cpus_init(machine->cpu_model, icc_bridge);
150 
151     if (kvm_enabled() && kvmclock_enabled) {
152         kvmclock_create();
153     }
154 
155     if (pci_enabled) {
156         pci_memory = g_new(MemoryRegion, 1);
157         memory_region_init(pci_memory, NULL, "pci", UINT64_MAX);
158         rom_memory = pci_memory;
159     } else {
160         pci_memory = NULL;
161         rom_memory = system_memory;
162     }
163 
164     guest_info = pc_guest_info_init(below_4g_mem_size, above_4g_mem_size);
165 
166     guest_info->has_acpi_build = has_acpi_build;
167     guest_info->legacy_acpi_table_size = legacy_acpi_table_size;
168 
169     guest_info->isapc_ram_fw = !pci_enabled;
170     guest_info->has_reserved_memory = has_reserved_memory;
171 
172     if (smbios_defaults) {
173         MachineClass *mc = MACHINE_GET_CLASS(machine);
174         /* These values are guest ABI, do not change */
175         smbios_set_defaults("QEMU", "Standard PC (i440FX + PIIX, 1996)",
176                             mc->name, smbios_legacy_mode, smbios_uuid_encoded);
177     }
178 
179     /* allocate ram and load rom/bios */
180     if (!xen_enabled()) {
181         fw_cfg = pc_memory_init(machine, system_memory,
182                                 below_4g_mem_size, above_4g_mem_size,
183                                 rom_memory, &ram_memory, guest_info);
184     } else if (machine->kernel_filename != NULL) {
185         /* For xen HVM direct kernel boot, load linux here */
186         fw_cfg = xen_load_linux(machine->kernel_filename,
187                                 machine->kernel_cmdline,
188                                 machine->initrd_filename,
189                                 below_4g_mem_size,
190                                 guest_info);
191     }
192 
193     gsi_state = g_malloc0(sizeof(*gsi_state));
194     if (kvm_irqchip_in_kernel()) {
195         kvm_pc_setup_irq_routing(pci_enabled);
196         gsi = qemu_allocate_irqs(kvm_pc_gsi_handler, gsi_state,
197                                  GSI_NUM_PINS);
198     } else {
199         gsi = qemu_allocate_irqs(gsi_handler, gsi_state, GSI_NUM_PINS);
200     }
201 
202     if (pci_enabled) {
203         pci_bus = i440fx_init(&i440fx_state, &piix3_devfn, &isa_bus, gsi,
204                               system_memory, system_io, machine->ram_size,
205                               below_4g_mem_size,
206                               above_4g_mem_size,
207                               pci_memory, ram_memory);
208     } else {
209         pci_bus = NULL;
210         i440fx_state = NULL;
211         isa_bus = isa_bus_new(NULL, system_io);
212         no_hpet = 1;
213     }
214     isa_bus_irqs(isa_bus, gsi);
215 
216     if (kvm_irqchip_in_kernel()) {
217         i8259 = kvm_i8259_init(isa_bus);
218     } else if (xen_enabled()) {
219         i8259 = xen_interrupt_controller_init();
220     } else {
221         cpu_irq = pc_allocate_cpu_irq();
222         i8259 = i8259_init(isa_bus, cpu_irq[0]);
223     }
224 
225     for (i = 0; i < ISA_NUM_IRQS; i++) {
226         gsi_state->i8259_irq[i] = i8259[i];
227     }
228     if (pci_enabled) {
229         ioapic_init_gsi(gsi_state, "i440fx");
230     }
231     qdev_init_nofail(icc_bridge);
232 
233     pc_register_ferr_irq(gsi[13]);
234 
235     pc_vga_init(isa_bus, pci_enabled ? pci_bus : NULL);
236 
237     /* init basic PC hardware */
238     pc_basic_device_init(isa_bus, gsi, &rtc_state, &floppy,
239                          !pc_machine->vmport, 0x4);
240 
241     pc_nic_init(isa_bus, pci_bus);
242 
243     ide_drive_get(hd, ARRAY_SIZE(hd));
244     if (pci_enabled) {
245         PCIDevice *dev;
246         if (xen_enabled()) {
247             dev = pci_piix3_xen_ide_init(pci_bus, hd, piix3_devfn + 1);
248         } else {
249             dev = pci_piix3_ide_init(pci_bus, hd, piix3_devfn + 1);
250         }
251         idebus[0] = qdev_get_child_bus(&dev->qdev, "ide.0");
252         idebus[1] = qdev_get_child_bus(&dev->qdev, "ide.1");
253     } else {
254         for(i = 0; i < MAX_IDE_BUS; i++) {
255             ISADevice *dev;
256             char busname[] = "ide.0";
257             dev = isa_ide_init(isa_bus, ide_iobase[i], ide_iobase2[i],
258                                ide_irq[i],
259                                hd[MAX_IDE_DEVS * i], hd[MAX_IDE_DEVS * i + 1]);
260             /*
261              * The ide bus name is ide.0 for the first bus and ide.1 for the
262              * second one.
263              */
264             busname[4] = '0' + i;
265             idebus[i] = qdev_get_child_bus(DEVICE(dev), busname);
266         }
267     }
268 
269     pc_cmos_init(below_4g_mem_size, above_4g_mem_size, machine->boot_order,
270                  machine, floppy, idebus[0], idebus[1], rtc_state);
271 
272     if (pci_enabled && usb_enabled(false)) {
273         pci_create_simple(pci_bus, piix3_devfn + 2, "piix3-usb-uhci");
274     }
275 
276     if (pci_enabled && acpi_enabled) {
277         DeviceState *piix4_pm;
278         I2CBus *smbus;
279 
280         smi_irq = qemu_allocate_irqs(pc_acpi_smi_interrupt, first_cpu, 1);
281         /* TODO: Populate SPD eeprom data.  */
282         smbus = piix4_pm_init(pci_bus, piix3_devfn + 3, 0xb100,
283                               gsi[9], *smi_irq,
284                               kvm_enabled(), fw_cfg, &piix4_pm);
285         smbus_eeprom_init(smbus, 8, NULL, 0);
286 
287         object_property_add_link(OBJECT(machine), PC_MACHINE_ACPI_DEVICE_PROP,
288                                  TYPE_HOTPLUG_HANDLER,
289                                  (Object **)&pc_machine->acpi_dev,
290                                  object_property_allow_set_link,
291                                  OBJ_PROP_LINK_UNREF_ON_RELEASE, &error_abort);
292         object_property_set_link(OBJECT(machine), OBJECT(piix4_pm),
293                                  PC_MACHINE_ACPI_DEVICE_PROP, &error_abort);
294     }
295 
296     if (pci_enabled) {
297         pc_pci_device_init(pci_bus);
298     }
299 }
300 
301 static void pc_init_pci(MachineState *machine)
302 {
303     pc_init1(machine, 1, 1);
304 }
305 
306 static void pc_compat_2_1(MachineState *machine)
307 {
308     smbios_uuid_encoded = false;
309     x86_cpu_compat_set_features("coreduo", FEAT_1_ECX, CPUID_EXT_VMX, 0);
310     x86_cpu_compat_set_features("core2duo", FEAT_1_ECX, CPUID_EXT_VMX, 0);
311     x86_cpu_compat_kvm_no_autodisable(FEAT_8000_0001_ECX, CPUID_EXT3_SVM);
312 }
313 
314 static void pc_compat_2_0(MachineState *machine)
315 {
316     pc_compat_2_1(machine);
317     /* This value depends on the actual DSDT and SSDT compiled into
318      * the source QEMU; unfortunately it depends on the binary and
319      * not on the machine type, so we cannot make pc-i440fx-1.7 work on
320      * both QEMU 1.7 and QEMU 2.0.
321      *
322      * Large variations cause migration to fail for more than one
323      * consecutive value of the "-smp" maxcpus option.
324      *
325      * For small variations of the kind caused by different iasl versions,
326      * the 4k rounding usually leaves slack.  However, there could be still
327      * one or two values that break.  For QEMU 1.7 and QEMU 2.0 the
328      * slack is only ~10 bytes before one "-smp maxcpus" value breaks!
329      *
330      * 6652 is valid for QEMU 2.0, the right value for pc-i440fx-1.7 on
331      * QEMU 1.7 it is 6414.  For RHEL/CentOS 7.0 it is 6418.
332      */
333     legacy_acpi_table_size = 6652;
334     smbios_legacy_mode = true;
335     has_reserved_memory = false;
336     pc_set_legacy_acpi_data_size();
337 }
338 
339 static void pc_compat_1_7(MachineState *machine)
340 {
341     pc_compat_2_0(machine);
342     smbios_defaults = false;
343     gigabyte_align = false;
344     option_rom_has_mr = true;
345     legacy_acpi_table_size = 6414;
346     x86_cpu_compat_kvm_no_autoenable(FEAT_1_ECX, CPUID_EXT_X2APIC);
347 }
348 
349 static void pc_compat_1_6(MachineState *machine)
350 {
351     pc_compat_1_7(machine);
352     rom_file_has_mr = false;
353     has_acpi_build = false;
354 }
355 
356 static void pc_compat_1_5(MachineState *machine)
357 {
358     pc_compat_1_6(machine);
359 }
360 
361 static void pc_compat_1_4(MachineState *machine)
362 {
363     pc_compat_1_5(machine);
364     x86_cpu_compat_set_features("n270", FEAT_1_ECX, 0, CPUID_EXT_MOVBE);
365     x86_cpu_compat_set_features("Westmere", FEAT_1_ECX, 0, CPUID_EXT_PCLMULQDQ);
366 }
367 
368 static void pc_compat_1_3(MachineState *machine)
369 {
370     pc_compat_1_4(machine);
371     enable_compat_apic_id_mode();
372 }
373 
374 /* PC compat function for pc-0.14 to pc-1.2 */
375 static void pc_compat_1_2(MachineState *machine)
376 {
377     pc_compat_1_3(machine);
378     x86_cpu_compat_kvm_no_autoenable(FEAT_KVM, KVM_FEATURE_PV_EOI);
379 }
380 
381 static void pc_init_pci_2_1(MachineState *machine)
382 {
383     pc_compat_2_1(machine);
384     pc_init_pci(machine);
385 }
386 
387 static void pc_init_pci_2_0(MachineState *machine)
388 {
389     pc_compat_2_0(machine);
390     pc_init_pci(machine);
391 }
392 
393 static void pc_init_pci_1_7(MachineState *machine)
394 {
395     pc_compat_1_7(machine);
396     pc_init_pci(machine);
397 }
398 
399 static void pc_init_pci_1_6(MachineState *machine)
400 {
401     pc_compat_1_6(machine);
402     pc_init_pci(machine);
403 }
404 
405 static void pc_init_pci_1_5(MachineState *machine)
406 {
407     pc_compat_1_5(machine);
408     pc_init_pci(machine);
409 }
410 
411 static void pc_init_pci_1_4(MachineState *machine)
412 {
413     pc_compat_1_4(machine);
414     pc_init_pci(machine);
415 }
416 
417 static void pc_init_pci_1_3(MachineState *machine)
418 {
419     pc_compat_1_3(machine);
420     pc_init_pci(machine);
421 }
422 
423 /* PC machine init function for pc-0.14 to pc-1.2 */
424 static void pc_init_pci_1_2(MachineState *machine)
425 {
426     pc_compat_1_2(machine);
427     pc_init_pci(machine);
428 }
429 
430 /* PC init function for pc-0.10 to pc-0.13 */
431 static void pc_init_pci_no_kvmclock(MachineState *machine)
432 {
433     pc_compat_1_2(machine);
434     pc_init1(machine, 1, 0);
435 }
436 
437 static void pc_init_isa(MachineState *machine)
438 {
439     has_acpi_build = false;
440     smbios_defaults = false;
441     gigabyte_align = false;
442     smbios_legacy_mode = true;
443     has_reserved_memory = false;
444     option_rom_has_mr = true;
445     rom_file_has_mr = false;
446     if (!machine->cpu_model) {
447         machine->cpu_model = "486";
448     }
449     x86_cpu_compat_kvm_no_autoenable(FEAT_KVM, KVM_FEATURE_PV_EOI);
450     enable_compat_apic_id_mode();
451     pc_init1(machine, 0, 1);
452 }
453 
454 #ifdef CONFIG_XEN
455 static void pc_xen_hvm_init(MachineState *machine)
456 {
457     PCIBus *bus;
458 
459     pc_init_pci(machine);
460 
461     bus = pci_find_primary_bus();
462     if (bus != NULL) {
463         pci_create_simple(bus, -1, "xen-platform");
464     }
465 }
466 #endif
467 
468 #define PC_I440FX_MACHINE_OPTIONS \
469     PC_DEFAULT_MACHINE_OPTIONS, \
470     .family = "pc_piix", \
471     .desc = "Standard PC (i440FX + PIIX, 1996)", \
472     .hot_add_cpu = pc_hot_add_cpu
473 
474 #define PC_I440FX_2_2_MACHINE_OPTIONS                           \
475     PC_I440FX_MACHINE_OPTIONS,                                  \
476     .default_machine_opts = "firmware=bios-256k.bin",           \
477     .default_display = "std"
478 
479 static QEMUMachine pc_i440fx_machine_v2_2 = {
480     PC_I440FX_2_2_MACHINE_OPTIONS,
481     .name = "pc-i440fx-2.2",
482     .alias = "pc",
483     .init = pc_init_pci,
484     .is_default = 1,
485 };
486 
487 #define PC_I440FX_2_1_MACHINE_OPTIONS                           \
488     PC_I440FX_MACHINE_OPTIONS,                                  \
489     .default_machine_opts = "firmware=bios-256k.bin"
490 
491 static QEMUMachine pc_i440fx_machine_v2_1 = {
492     PC_I440FX_2_1_MACHINE_OPTIONS,
493     .name = "pc-i440fx-2.1",
494     .init = pc_init_pci_2_1,
495     .compat_props = (GlobalProperty[]) {
496         HW_COMPAT_2_1,
497         { /* end of list */ }
498     },
499 };
500 
501 #define PC_I440FX_2_0_MACHINE_OPTIONS PC_I440FX_2_1_MACHINE_OPTIONS
502 
503 static QEMUMachine pc_i440fx_machine_v2_0 = {
504     PC_I440FX_2_0_MACHINE_OPTIONS,
505     .name = "pc-i440fx-2.0",
506     .init = pc_init_pci_2_0,
507     .compat_props = (GlobalProperty[]) {
508         PC_COMPAT_2_0,
509         { /* end of list */ }
510     },
511 };
512 
513 #define PC_I440FX_1_7_MACHINE_OPTIONS PC_I440FX_MACHINE_OPTIONS
514 
515 static QEMUMachine pc_i440fx_machine_v1_7 = {
516     PC_I440FX_1_7_MACHINE_OPTIONS,
517     .name = "pc-i440fx-1.7",
518     .init = pc_init_pci_1_7,
519     .compat_props = (GlobalProperty[]) {
520         PC_COMPAT_1_7,
521         { /* end of list */ }
522     },
523 };
524 
525 #define PC_I440FX_1_6_MACHINE_OPTIONS PC_I440FX_MACHINE_OPTIONS
526 
527 static QEMUMachine pc_i440fx_machine_v1_6 = {
528     PC_I440FX_1_6_MACHINE_OPTIONS,
529     .name = "pc-i440fx-1.6",
530     .init = pc_init_pci_1_6,
531     .compat_props = (GlobalProperty[]) {
532         PC_COMPAT_1_6,
533         { /* end of list */ }
534     },
535 };
536 
537 static QEMUMachine pc_i440fx_machine_v1_5 = {
538     PC_I440FX_1_6_MACHINE_OPTIONS,
539     .name = "pc-i440fx-1.5",
540     .init = pc_init_pci_1_5,
541     .compat_props = (GlobalProperty[]) {
542         PC_COMPAT_1_5,
543         { /* end of list */ }
544     },
545 };
546 
547 #define PC_I440FX_1_4_MACHINE_OPTIONS \
548     PC_I440FX_1_6_MACHINE_OPTIONS, \
549     .hot_add_cpu = NULL
550 
551 static QEMUMachine pc_i440fx_machine_v1_4 = {
552     PC_I440FX_1_4_MACHINE_OPTIONS,
553     .name = "pc-i440fx-1.4",
554     .init = pc_init_pci_1_4,
555     .compat_props = (GlobalProperty[]) {
556         PC_COMPAT_1_4,
557         { /* end of list */ }
558     },
559 };
560 
561 #define PC_COMPAT_1_3 \
562 	PC_COMPAT_1_4, \
563         {\
564             .driver   = "usb-tablet",\
565             .property = "usb_version",\
566             .value    = stringify(1),\
567         },{\
568             .driver   = "virtio-net-pci",\
569             .property = "ctrl_mac_addr",\
570             .value    = "off",      \
571         },{ \
572             .driver   = "virtio-net-pci", \
573             .property = "mq", \
574             .value    = "off", \
575         }, {\
576             .driver   = "e1000",\
577             .property = "autonegotiation",\
578             .value    = "off",\
579         }
580 
581 static QEMUMachine pc_machine_v1_3 = {
582     PC_I440FX_1_4_MACHINE_OPTIONS,
583     .name = "pc-1.3",
584     .init = pc_init_pci_1_3,
585     .compat_props = (GlobalProperty[]) {
586         PC_COMPAT_1_3,
587         { /* end of list */ }
588     },
589 };
590 
591 #define PC_COMPAT_1_2 \
592         PC_COMPAT_1_3,\
593         {\
594             .driver   = "nec-usb-xhci",\
595             .property = "msi",\
596             .value    = "off",\
597         },{\
598             .driver   = "nec-usb-xhci",\
599             .property = "msix",\
600             .value    = "off",\
601         },{\
602             .driver   = "ivshmem",\
603             .property = "use64",\
604             .value    = "0",\
605         },{\
606             .driver   = "qxl",\
607             .property = "revision",\
608             .value    = stringify(3),\
609         },{\
610             .driver   = "qxl-vga",\
611             .property = "revision",\
612             .value    = stringify(3),\
613         },{\
614             .driver   = "VGA",\
615             .property = "mmio",\
616             .value    = "off",\
617         }
618 
619 #define PC_I440FX_1_2_MACHINE_OPTIONS \
620     PC_I440FX_1_4_MACHINE_OPTIONS, \
621     .init = pc_init_pci_1_2
622 
623 static QEMUMachine pc_machine_v1_2 = {
624     PC_I440FX_1_2_MACHINE_OPTIONS,
625     .name = "pc-1.2",
626     .compat_props = (GlobalProperty[]) {
627         PC_COMPAT_1_2,
628         { /* end of list */ }
629     },
630 };
631 
632 #define PC_COMPAT_1_1 \
633         PC_COMPAT_1_2,\
634         {\
635             .driver   = "virtio-scsi-pci",\
636             .property = "hotplug",\
637             .value    = "off",\
638         },{\
639             .driver   = "virtio-scsi-pci",\
640             .property = "param_change",\
641             .value    = "off",\
642         },{\
643             .driver   = "VGA",\
644             .property = "vgamem_mb",\
645             .value    = stringify(8),\
646         },{\
647             .driver   = "vmware-svga",\
648             .property = "vgamem_mb",\
649             .value    = stringify(8),\
650         },{\
651             .driver   = "qxl-vga",\
652             .property = "vgamem_mb",\
653             .value    = stringify(8),\
654         },{\
655             .driver   = "qxl",\
656             .property = "vgamem_mb",\
657             .value    = stringify(8),\
658         },{\
659             .driver   = "virtio-blk-pci",\
660             .property = "config-wce",\
661             .value    = "off",\
662         }
663 
664 static QEMUMachine pc_machine_v1_1 = {
665     PC_I440FX_1_2_MACHINE_OPTIONS,
666     .name = "pc-1.1",
667     .compat_props = (GlobalProperty[]) {
668         PC_COMPAT_1_1,
669         { /* end of list */ }
670     },
671 };
672 
673 #define PC_COMPAT_1_0 \
674         PC_COMPAT_1_1,\
675         {\
676             .driver   = TYPE_ISA_FDC,\
677             .property = "check_media_rate",\
678             .value    = "off",\
679         }, {\
680             .driver   = "virtio-balloon-pci",\
681             .property = "class",\
682             .value    = stringify(PCI_CLASS_MEMORY_RAM),\
683         },{\
684             .driver   = "apic-common",\
685             .property = "vapic",\
686             .value    = "off",\
687         },{\
688             .driver   = TYPE_USB_DEVICE,\
689             .property = "full-path",\
690             .value    = "no",\
691         }
692 
693 static QEMUMachine pc_machine_v1_0 = {
694     PC_I440FX_1_2_MACHINE_OPTIONS,
695     .name = "pc-1.0",
696     .compat_props = (GlobalProperty[]) {
697         PC_COMPAT_1_0,
698         { /* end of list */ }
699     },
700     .hw_version = "1.0",
701 };
702 
703 #define PC_COMPAT_0_15 \
704         PC_COMPAT_1_0
705 
706 static QEMUMachine pc_machine_v0_15 = {
707     PC_I440FX_1_2_MACHINE_OPTIONS,
708     .name = "pc-0.15",
709     .compat_props = (GlobalProperty[]) {
710         PC_COMPAT_0_15,
711         { /* end of list */ }
712     },
713     .hw_version = "0.15",
714 };
715 
716 #define PC_COMPAT_0_14 \
717         PC_COMPAT_0_15,\
718         {\
719             .driver   = "virtio-blk-pci",\
720             .property = "event_idx",\
721             .value    = "off",\
722         },{\
723             .driver   = "virtio-serial-pci",\
724             .property = "event_idx",\
725             .value    = "off",\
726         },{\
727             .driver   = "virtio-net-pci",\
728             .property = "event_idx",\
729             .value    = "off",\
730         },{\
731             .driver   = "virtio-balloon-pci",\
732             .property = "event_idx",\
733             .value    = "off",\
734         }
735 
736 static QEMUMachine pc_machine_v0_14 = {
737     PC_I440FX_1_2_MACHINE_OPTIONS,
738     .name = "pc-0.14",
739     .compat_props = (GlobalProperty[]) {
740         PC_COMPAT_0_14,
741         {
742             .driver   = "qxl",
743             .property = "revision",
744             .value    = stringify(2),
745         },{
746             .driver   = "qxl-vga",
747             .property = "revision",
748             .value    = stringify(2),
749         },
750         { /* end of list */ }
751     },
752     .hw_version = "0.14",
753 };
754 
755 #define PC_COMPAT_0_13 \
756         PC_COMPAT_0_14,\
757         {\
758             .driver   = TYPE_PCI_DEVICE,\
759             .property = "command_serr_enable",\
760             .value    = "off",\
761         },{\
762             .driver   = "AC97",\
763             .property = "use_broken_id",\
764             .value    = stringify(1),\
765         }
766 
767 #define PC_I440FX_0_13_MACHINE_OPTIONS \
768     PC_I440FX_1_2_MACHINE_OPTIONS, \
769     .init = pc_init_pci_no_kvmclock
770 
771 static QEMUMachine pc_machine_v0_13 = {
772     PC_I440FX_0_13_MACHINE_OPTIONS,
773     .name = "pc-0.13",
774     .compat_props = (GlobalProperty[]) {
775         PC_COMPAT_0_13,
776         {
777             .driver   = "virtio-9p-pci",
778             .property = "vectors",
779             .value    = stringify(0),
780         },{
781             .driver   = "VGA",
782             .property = "rombar",
783             .value    = stringify(0),
784         },{
785             .driver   = "vmware-svga",
786             .property = "rombar",
787             .value    = stringify(0),
788         },
789         { /* end of list */ }
790     },
791     .hw_version = "0.13",
792 };
793 
794 #define PC_COMPAT_0_12 \
795         PC_COMPAT_0_13,\
796         {\
797             .driver   = "virtio-serial-pci",\
798             .property = "max_ports",\
799             .value    = stringify(1),\
800         },{\
801             .driver   = "virtio-serial-pci",\
802             .property = "vectors",\
803             .value    = stringify(0),\
804         },{\
805             .driver   = "usb-mouse",\
806             .property = "serial",\
807             .value    = "1",\
808         },{\
809             .driver   = "usb-tablet",\
810             .property = "serial",\
811             .value    = "1",\
812         },{\
813             .driver   = "usb-kbd",\
814             .property = "serial",\
815             .value    = "1",\
816         }
817 
818 static QEMUMachine pc_machine_v0_12 = {
819     PC_I440FX_0_13_MACHINE_OPTIONS,
820     .name = "pc-0.12",
821     .compat_props = (GlobalProperty[]) {
822         PC_COMPAT_0_12,
823         {
824             .driver   = "VGA",
825             .property = "rombar",
826             .value    = stringify(0),
827         },{
828             .driver   = "vmware-svga",
829             .property = "rombar",
830             .value    = stringify(0),
831         },
832         { /* end of list */ }
833     },
834     .hw_version = "0.12",
835 };
836 
837 #define PC_COMPAT_0_11 \
838         PC_COMPAT_0_12,\
839         {\
840             .driver   = "virtio-blk-pci",\
841             .property = "vectors",\
842             .value    = stringify(0),\
843         },{\
844             .driver   = TYPE_PCI_DEVICE,\
845             .property = "rombar",\
846             .value    = stringify(0),\
847         }
848 
849 static QEMUMachine pc_machine_v0_11 = {
850     PC_I440FX_0_13_MACHINE_OPTIONS,
851     .name = "pc-0.11",
852     .compat_props = (GlobalProperty[]) {
853         PC_COMPAT_0_11,
854         {
855             .driver   = "ide-drive",
856             .property = "ver",
857             .value    = "0.11",
858         },{
859             .driver   = "scsi-disk",
860             .property = "ver",
861             .value    = "0.11",
862         },
863         { /* end of list */ }
864     },
865     .hw_version = "0.11",
866 };
867 
868 static QEMUMachine pc_machine_v0_10 = {
869     PC_I440FX_0_13_MACHINE_OPTIONS,
870     .name = "pc-0.10",
871     .compat_props = (GlobalProperty[]) {
872         PC_COMPAT_0_11,
873         {
874             .driver   = "virtio-blk-pci",
875             .property = "class",
876             .value    = stringify(PCI_CLASS_STORAGE_OTHER),
877         },{
878             .driver   = "virtio-serial-pci",
879             .property = "class",
880             .value    = stringify(PCI_CLASS_DISPLAY_OTHER),
881         },{
882             .driver   = "virtio-net-pci",
883             .property = "vectors",
884             .value    = stringify(0),
885         },{
886             .driver   = "ide-drive",
887             .property = "ver",
888             .value    = "0.10",
889         },{
890             .driver   = "scsi-disk",
891             .property = "ver",
892             .value    = "0.10",
893         },
894         { /* end of list */ }
895     },
896     .hw_version = "0.10",
897 };
898 
899 static QEMUMachine isapc_machine = {
900     PC_COMMON_MACHINE_OPTIONS,
901     .name = "isapc",
902     .desc = "ISA-only PC",
903     .init = pc_init_isa,
904     .max_cpus = 1,
905     .compat_props = (GlobalProperty[]) {
906         { /* end of list */ }
907     },
908 };
909 
910 #ifdef CONFIG_XEN
911 static QEMUMachine xenfv_machine = {
912     PC_COMMON_MACHINE_OPTIONS,
913     .name = "xenfv",
914     .desc = "Xen Fully-virtualized PC",
915     .init = pc_xen_hvm_init,
916     .max_cpus = HVM_MAX_VCPUS,
917     .default_machine_opts = "accel=xen",
918     .hot_add_cpu = pc_hot_add_cpu,
919     .compat_props = (GlobalProperty[]) {
920         /* xenfv has no fwcfg and so does not load acpi from QEMU.
921          * as such new acpi features don't work.
922          */
923         {
924             .driver   = "PIIX4_PM",
925             .property = "acpi-pci-hotplug-with-bridge-support",
926             .value    = "off",
927         },
928         { /* end of list */ }
929     },
930 };
931 #endif
932 
933 static void pc_machine_init(void)
934 {
935     qemu_register_pc_machine(&pc_i440fx_machine_v2_2);
936     qemu_register_pc_machine(&pc_i440fx_machine_v2_1);
937     qemu_register_pc_machine(&pc_i440fx_machine_v2_0);
938     qemu_register_pc_machine(&pc_i440fx_machine_v1_7);
939     qemu_register_pc_machine(&pc_i440fx_machine_v1_6);
940     qemu_register_pc_machine(&pc_i440fx_machine_v1_5);
941     qemu_register_pc_machine(&pc_i440fx_machine_v1_4);
942     qemu_register_pc_machine(&pc_machine_v1_3);
943     qemu_register_pc_machine(&pc_machine_v1_2);
944     qemu_register_pc_machine(&pc_machine_v1_1);
945     qemu_register_pc_machine(&pc_machine_v1_0);
946     qemu_register_pc_machine(&pc_machine_v0_15);
947     qemu_register_pc_machine(&pc_machine_v0_14);
948     qemu_register_pc_machine(&pc_machine_v0_13);
949     qemu_register_pc_machine(&pc_machine_v0_12);
950     qemu_register_pc_machine(&pc_machine_v0_11);
951     qemu_register_pc_machine(&pc_machine_v0_10);
952     qemu_register_pc_machine(&isapc_machine);
953 #ifdef CONFIG_XEN
954     qemu_register_pc_machine(&xenfv_machine);
955 #endif
956 }
957 
958 machine_init(pc_machine_init);
959