xref: /openbmc/qemu/hw/i386/pc_piix.c (revision 72149414e25784de60b821fe67c56108a5b03ce1)
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     assert(pc_machine->vmport != ON_OFF_AUTO_MAX);
238     if (pc_machine->vmport == ON_OFF_AUTO_AUTO) {
239         pc_machine->vmport = xen_enabled() ? ON_OFF_AUTO_OFF : ON_OFF_AUTO_ON;
240     }
241 
242     /* init basic PC hardware */
243     pc_basic_device_init(isa_bus, gsi, &rtc_state, &floppy,
244                          (pc_machine->vmport != ON_OFF_AUTO_ON), 0x4);
245 
246     pc_nic_init(isa_bus, pci_bus);
247 
248     ide_drive_get(hd, ARRAY_SIZE(hd));
249     if (pci_enabled) {
250         PCIDevice *dev;
251         if (xen_enabled()) {
252             dev = pci_piix3_xen_ide_init(pci_bus, hd, piix3_devfn + 1);
253         } else {
254             dev = pci_piix3_ide_init(pci_bus, hd, piix3_devfn + 1);
255         }
256         idebus[0] = qdev_get_child_bus(&dev->qdev, "ide.0");
257         idebus[1] = qdev_get_child_bus(&dev->qdev, "ide.1");
258     } else {
259         for(i = 0; i < MAX_IDE_BUS; i++) {
260             ISADevice *dev;
261             char busname[] = "ide.0";
262             dev = isa_ide_init(isa_bus, ide_iobase[i], ide_iobase2[i],
263                                ide_irq[i],
264                                hd[MAX_IDE_DEVS * i], hd[MAX_IDE_DEVS * i + 1]);
265             /*
266              * The ide bus name is ide.0 for the first bus and ide.1 for the
267              * second one.
268              */
269             busname[4] = '0' + i;
270             idebus[i] = qdev_get_child_bus(DEVICE(dev), busname);
271         }
272     }
273 
274     pc_cmos_init(below_4g_mem_size, above_4g_mem_size, machine->boot_order,
275                  machine, floppy, idebus[0], idebus[1], rtc_state);
276 
277     if (pci_enabled && usb_enabled(false)) {
278         pci_create_simple(pci_bus, piix3_devfn + 2, "piix3-usb-uhci");
279     }
280 
281     if (pci_enabled && acpi_enabled) {
282         DeviceState *piix4_pm;
283         I2CBus *smbus;
284 
285         smi_irq = qemu_allocate_irqs(pc_acpi_smi_interrupt, first_cpu, 1);
286         /* TODO: Populate SPD eeprom data.  */
287         smbus = piix4_pm_init(pci_bus, piix3_devfn + 3, 0xb100,
288                               gsi[9], *smi_irq,
289                               kvm_enabled(), fw_cfg, &piix4_pm);
290         smbus_eeprom_init(smbus, 8, NULL, 0);
291 
292         object_property_add_link(OBJECT(machine), PC_MACHINE_ACPI_DEVICE_PROP,
293                                  TYPE_HOTPLUG_HANDLER,
294                                  (Object **)&pc_machine->acpi_dev,
295                                  object_property_allow_set_link,
296                                  OBJ_PROP_LINK_UNREF_ON_RELEASE, &error_abort);
297         object_property_set_link(OBJECT(machine), OBJECT(piix4_pm),
298                                  PC_MACHINE_ACPI_DEVICE_PROP, &error_abort);
299     }
300 
301     if (pci_enabled) {
302         pc_pci_device_init(pci_bus);
303     }
304 }
305 
306 static void pc_init_pci(MachineState *machine)
307 {
308     pc_init1(machine, 1, 1);
309 }
310 
311 static void pc_compat_2_1(MachineState *machine)
312 {
313     PCMachineState *pcms = PC_MACHINE(machine);
314     smbios_uuid_encoded = false;
315     x86_cpu_compat_set_features("coreduo", FEAT_1_ECX, CPUID_EXT_VMX, 0);
316     x86_cpu_compat_set_features("core2duo", FEAT_1_ECX, CPUID_EXT_VMX, 0);
317     x86_cpu_compat_kvm_no_autodisable(FEAT_8000_0001_ECX, CPUID_EXT3_SVM);
318     pcms->enforce_aligned_dimm = false;
319 }
320 
321 static void pc_compat_2_0(MachineState *machine)
322 {
323     pc_compat_2_1(machine);
324     /* This value depends on the actual DSDT and SSDT compiled into
325      * the source QEMU; unfortunately it depends on the binary and
326      * not on the machine type, so we cannot make pc-i440fx-1.7 work on
327      * both QEMU 1.7 and QEMU 2.0.
328      *
329      * Large variations cause migration to fail for more than one
330      * consecutive value of the "-smp" maxcpus option.
331      *
332      * For small variations of the kind caused by different iasl versions,
333      * the 4k rounding usually leaves slack.  However, there could be still
334      * one or two values that break.  For QEMU 1.7 and QEMU 2.0 the
335      * slack is only ~10 bytes before one "-smp maxcpus" value breaks!
336      *
337      * 6652 is valid for QEMU 2.0, the right value for pc-i440fx-1.7 on
338      * QEMU 1.7 it is 6414.  For RHEL/CentOS 7.0 it is 6418.
339      */
340     legacy_acpi_table_size = 6652;
341     smbios_legacy_mode = true;
342     has_reserved_memory = false;
343     pc_set_legacy_acpi_data_size();
344 }
345 
346 static void pc_compat_1_7(MachineState *machine)
347 {
348     pc_compat_2_0(machine);
349     smbios_defaults = false;
350     gigabyte_align = false;
351     option_rom_has_mr = true;
352     legacy_acpi_table_size = 6414;
353     x86_cpu_compat_kvm_no_autoenable(FEAT_1_ECX, CPUID_EXT_X2APIC);
354 }
355 
356 static void pc_compat_1_6(MachineState *machine)
357 {
358     pc_compat_1_7(machine);
359     rom_file_has_mr = false;
360     has_acpi_build = false;
361 }
362 
363 static void pc_compat_1_5(MachineState *machine)
364 {
365     pc_compat_1_6(machine);
366 }
367 
368 static void pc_compat_1_4(MachineState *machine)
369 {
370     pc_compat_1_5(machine);
371     x86_cpu_compat_set_features("n270", FEAT_1_ECX, 0, CPUID_EXT_MOVBE);
372     x86_cpu_compat_set_features("Westmere", FEAT_1_ECX, 0, CPUID_EXT_PCLMULQDQ);
373 }
374 
375 static void pc_compat_1_3(MachineState *machine)
376 {
377     pc_compat_1_4(machine);
378     enable_compat_apic_id_mode();
379 }
380 
381 /* PC compat function for pc-0.14 to pc-1.2 */
382 static void pc_compat_1_2(MachineState *machine)
383 {
384     pc_compat_1_3(machine);
385     x86_cpu_compat_kvm_no_autoenable(FEAT_KVM, KVM_FEATURE_PV_EOI);
386 }
387 
388 static void pc_init_pci_2_1(MachineState *machine)
389 {
390     pc_compat_2_1(machine);
391     pc_init_pci(machine);
392 }
393 
394 static void pc_init_pci_2_0(MachineState *machine)
395 {
396     pc_compat_2_0(machine);
397     pc_init_pci(machine);
398 }
399 
400 static void pc_init_pci_1_7(MachineState *machine)
401 {
402     pc_compat_1_7(machine);
403     pc_init_pci(machine);
404 }
405 
406 static void pc_init_pci_1_6(MachineState *machine)
407 {
408     pc_compat_1_6(machine);
409     pc_init_pci(machine);
410 }
411 
412 static void pc_init_pci_1_5(MachineState *machine)
413 {
414     pc_compat_1_5(machine);
415     pc_init_pci(machine);
416 }
417 
418 static void pc_init_pci_1_4(MachineState *machine)
419 {
420     pc_compat_1_4(machine);
421     pc_init_pci(machine);
422 }
423 
424 static void pc_init_pci_1_3(MachineState *machine)
425 {
426     pc_compat_1_3(machine);
427     pc_init_pci(machine);
428 }
429 
430 /* PC machine init function for pc-0.14 to pc-1.2 */
431 static void pc_init_pci_1_2(MachineState *machine)
432 {
433     pc_compat_1_2(machine);
434     pc_init_pci(machine);
435 }
436 
437 /* PC init function for pc-0.10 to pc-0.13 */
438 static void pc_init_pci_no_kvmclock(MachineState *machine)
439 {
440     pc_compat_1_2(machine);
441     pc_init1(machine, 1, 0);
442 }
443 
444 static void pc_init_isa(MachineState *machine)
445 {
446     has_acpi_build = false;
447     smbios_defaults = false;
448     gigabyte_align = false;
449     smbios_legacy_mode = true;
450     has_reserved_memory = false;
451     option_rom_has_mr = true;
452     rom_file_has_mr = false;
453     if (!machine->cpu_model) {
454         machine->cpu_model = "486";
455     }
456     x86_cpu_compat_kvm_no_autoenable(FEAT_KVM, KVM_FEATURE_PV_EOI);
457     enable_compat_apic_id_mode();
458     pc_init1(machine, 0, 1);
459 }
460 
461 #ifdef CONFIG_XEN
462 static void pc_xen_hvm_init(MachineState *machine)
463 {
464     PCIBus *bus;
465 
466     pc_init_pci(machine);
467 
468     bus = pci_find_primary_bus();
469     if (bus != NULL) {
470         pci_create_simple(bus, -1, "xen-platform");
471     }
472 }
473 #endif
474 
475 #define PC_I440FX_MACHINE_OPTIONS \
476     PC_DEFAULT_MACHINE_OPTIONS, \
477     .family = "pc_piix", \
478     .desc = "Standard PC (i440FX + PIIX, 1996)", \
479     .hot_add_cpu = pc_hot_add_cpu
480 
481 #define PC_I440FX_2_2_MACHINE_OPTIONS                           \
482     PC_I440FX_MACHINE_OPTIONS,                                  \
483     .default_machine_opts = "firmware=bios-256k.bin",           \
484     .default_display = "std"
485 
486 static QEMUMachine pc_i440fx_machine_v2_2 = {
487     PC_I440FX_2_2_MACHINE_OPTIONS,
488     .name = "pc-i440fx-2.2",
489     .alias = "pc",
490     .init = pc_init_pci,
491     .is_default = 1,
492 };
493 
494 #define PC_I440FX_2_1_MACHINE_OPTIONS                           \
495     PC_I440FX_MACHINE_OPTIONS,                                  \
496     .default_machine_opts = "firmware=bios-256k.bin"
497 
498 static QEMUMachine pc_i440fx_machine_v2_1 = {
499     PC_I440FX_2_1_MACHINE_OPTIONS,
500     .name = "pc-i440fx-2.1",
501     .init = pc_init_pci_2_1,
502     .compat_props = (GlobalProperty[]) {
503         HW_COMPAT_2_1,
504         { /* end of list */ }
505     },
506 };
507 
508 #define PC_I440FX_2_0_MACHINE_OPTIONS PC_I440FX_2_1_MACHINE_OPTIONS
509 
510 static QEMUMachine pc_i440fx_machine_v2_0 = {
511     PC_I440FX_2_0_MACHINE_OPTIONS,
512     .name = "pc-i440fx-2.0",
513     .init = pc_init_pci_2_0,
514     .compat_props = (GlobalProperty[]) {
515         PC_COMPAT_2_0,
516         { /* end of list */ }
517     },
518 };
519 
520 #define PC_I440FX_1_7_MACHINE_OPTIONS PC_I440FX_MACHINE_OPTIONS
521 
522 static QEMUMachine pc_i440fx_machine_v1_7 = {
523     PC_I440FX_1_7_MACHINE_OPTIONS,
524     .name = "pc-i440fx-1.7",
525     .init = pc_init_pci_1_7,
526     .compat_props = (GlobalProperty[]) {
527         PC_COMPAT_1_7,
528         { /* end of list */ }
529     },
530 };
531 
532 #define PC_I440FX_1_6_MACHINE_OPTIONS PC_I440FX_MACHINE_OPTIONS
533 
534 static QEMUMachine pc_i440fx_machine_v1_6 = {
535     PC_I440FX_1_6_MACHINE_OPTIONS,
536     .name = "pc-i440fx-1.6",
537     .init = pc_init_pci_1_6,
538     .compat_props = (GlobalProperty[]) {
539         PC_COMPAT_1_6,
540         { /* end of list */ }
541     },
542 };
543 
544 static QEMUMachine pc_i440fx_machine_v1_5 = {
545     PC_I440FX_1_6_MACHINE_OPTIONS,
546     .name = "pc-i440fx-1.5",
547     .init = pc_init_pci_1_5,
548     .compat_props = (GlobalProperty[]) {
549         PC_COMPAT_1_5,
550         { /* end of list */ }
551     },
552 };
553 
554 #define PC_I440FX_1_4_MACHINE_OPTIONS \
555     PC_I440FX_1_6_MACHINE_OPTIONS, \
556     .hot_add_cpu = NULL
557 
558 static QEMUMachine pc_i440fx_machine_v1_4 = {
559     PC_I440FX_1_4_MACHINE_OPTIONS,
560     .name = "pc-i440fx-1.4",
561     .init = pc_init_pci_1_4,
562     .compat_props = (GlobalProperty[]) {
563         PC_COMPAT_1_4,
564         { /* end of list */ }
565     },
566 };
567 
568 #define PC_COMPAT_1_3 \
569 	PC_COMPAT_1_4, \
570         {\
571             .driver   = "usb-tablet",\
572             .property = "usb_version",\
573             .value    = stringify(1),\
574         },{\
575             .driver   = "virtio-net-pci",\
576             .property = "ctrl_mac_addr",\
577             .value    = "off",      \
578         },{ \
579             .driver   = "virtio-net-pci", \
580             .property = "mq", \
581             .value    = "off", \
582         }, {\
583             .driver   = "e1000",\
584             .property = "autonegotiation",\
585             .value    = "off",\
586         }
587 
588 static QEMUMachine pc_machine_v1_3 = {
589     PC_I440FX_1_4_MACHINE_OPTIONS,
590     .name = "pc-1.3",
591     .init = pc_init_pci_1_3,
592     .compat_props = (GlobalProperty[]) {
593         PC_COMPAT_1_3,
594         { /* end of list */ }
595     },
596 };
597 
598 #define PC_COMPAT_1_2 \
599         PC_COMPAT_1_3,\
600         {\
601             .driver   = "nec-usb-xhci",\
602             .property = "msi",\
603             .value    = "off",\
604         },{\
605             .driver   = "nec-usb-xhci",\
606             .property = "msix",\
607             .value    = "off",\
608         },{\
609             .driver   = "ivshmem",\
610             .property = "use64",\
611             .value    = "0",\
612         },{\
613             .driver   = "qxl",\
614             .property = "revision",\
615             .value    = stringify(3),\
616         },{\
617             .driver   = "qxl-vga",\
618             .property = "revision",\
619             .value    = stringify(3),\
620         },{\
621             .driver   = "VGA",\
622             .property = "mmio",\
623             .value    = "off",\
624         }
625 
626 #define PC_I440FX_1_2_MACHINE_OPTIONS \
627     PC_I440FX_1_4_MACHINE_OPTIONS, \
628     .init = pc_init_pci_1_2
629 
630 static QEMUMachine pc_machine_v1_2 = {
631     PC_I440FX_1_2_MACHINE_OPTIONS,
632     .name = "pc-1.2",
633     .compat_props = (GlobalProperty[]) {
634         PC_COMPAT_1_2,
635         { /* end of list */ }
636     },
637 };
638 
639 #define PC_COMPAT_1_1 \
640         PC_COMPAT_1_2,\
641         {\
642             .driver   = "virtio-scsi-pci",\
643             .property = "hotplug",\
644             .value    = "off",\
645         },{\
646             .driver   = "virtio-scsi-pci",\
647             .property = "param_change",\
648             .value    = "off",\
649         },{\
650             .driver   = "VGA",\
651             .property = "vgamem_mb",\
652             .value    = stringify(8),\
653         },{\
654             .driver   = "vmware-svga",\
655             .property = "vgamem_mb",\
656             .value    = stringify(8),\
657         },{\
658             .driver   = "qxl-vga",\
659             .property = "vgamem_mb",\
660             .value    = stringify(8),\
661         },{\
662             .driver   = "qxl",\
663             .property = "vgamem_mb",\
664             .value    = stringify(8),\
665         },{\
666             .driver   = "virtio-blk-pci",\
667             .property = "config-wce",\
668             .value    = "off",\
669         }
670 
671 static QEMUMachine pc_machine_v1_1 = {
672     PC_I440FX_1_2_MACHINE_OPTIONS,
673     .name = "pc-1.1",
674     .compat_props = (GlobalProperty[]) {
675         PC_COMPAT_1_1,
676         { /* end of list */ }
677     },
678 };
679 
680 #define PC_COMPAT_1_0 \
681         PC_COMPAT_1_1,\
682         {\
683             .driver   = TYPE_ISA_FDC,\
684             .property = "check_media_rate",\
685             .value    = "off",\
686         }, {\
687             .driver   = "virtio-balloon-pci",\
688             .property = "class",\
689             .value    = stringify(PCI_CLASS_MEMORY_RAM),\
690         },{\
691             .driver   = "apic-common",\
692             .property = "vapic",\
693             .value    = "off",\
694         },{\
695             .driver   = TYPE_USB_DEVICE,\
696             .property = "full-path",\
697             .value    = "no",\
698         }
699 
700 static QEMUMachine pc_machine_v1_0 = {
701     PC_I440FX_1_2_MACHINE_OPTIONS,
702     .name = "pc-1.0",
703     .compat_props = (GlobalProperty[]) {
704         PC_COMPAT_1_0,
705         { /* end of list */ }
706     },
707     .hw_version = "1.0",
708 };
709 
710 #define PC_COMPAT_0_15 \
711         PC_COMPAT_1_0
712 
713 static QEMUMachine pc_machine_v0_15 = {
714     PC_I440FX_1_2_MACHINE_OPTIONS,
715     .name = "pc-0.15",
716     .compat_props = (GlobalProperty[]) {
717         PC_COMPAT_0_15,
718         { /* end of list */ }
719     },
720     .hw_version = "0.15",
721 };
722 
723 #define PC_COMPAT_0_14 \
724         PC_COMPAT_0_15,\
725         {\
726             .driver   = "virtio-blk-pci",\
727             .property = "event_idx",\
728             .value    = "off",\
729         },{\
730             .driver   = "virtio-serial-pci",\
731             .property = "event_idx",\
732             .value    = "off",\
733         },{\
734             .driver   = "virtio-net-pci",\
735             .property = "event_idx",\
736             .value    = "off",\
737         },{\
738             .driver   = "virtio-balloon-pci",\
739             .property = "event_idx",\
740             .value    = "off",\
741         }
742 
743 static QEMUMachine pc_machine_v0_14 = {
744     PC_I440FX_1_2_MACHINE_OPTIONS,
745     .name = "pc-0.14",
746     .compat_props = (GlobalProperty[]) {
747         PC_COMPAT_0_14,
748         {
749             .driver   = "qxl",
750             .property = "revision",
751             .value    = stringify(2),
752         },{
753             .driver   = "qxl-vga",
754             .property = "revision",
755             .value    = stringify(2),
756         },
757         { /* end of list */ }
758     },
759     .hw_version = "0.14",
760 };
761 
762 #define PC_COMPAT_0_13 \
763         PC_COMPAT_0_14,\
764         {\
765             .driver   = TYPE_PCI_DEVICE,\
766             .property = "command_serr_enable",\
767             .value    = "off",\
768         },{\
769             .driver   = "AC97",\
770             .property = "use_broken_id",\
771             .value    = stringify(1),\
772         }
773 
774 #define PC_I440FX_0_13_MACHINE_OPTIONS \
775     PC_I440FX_1_2_MACHINE_OPTIONS, \
776     .init = pc_init_pci_no_kvmclock
777 
778 static QEMUMachine pc_machine_v0_13 = {
779     PC_I440FX_0_13_MACHINE_OPTIONS,
780     .name = "pc-0.13",
781     .compat_props = (GlobalProperty[]) {
782         PC_COMPAT_0_13,
783         {
784             .driver   = "virtio-9p-pci",
785             .property = "vectors",
786             .value    = stringify(0),
787         },{
788             .driver   = "VGA",
789             .property = "rombar",
790             .value    = stringify(0),
791         },{
792             .driver   = "vmware-svga",
793             .property = "rombar",
794             .value    = stringify(0),
795         },
796         { /* end of list */ }
797     },
798     .hw_version = "0.13",
799 };
800 
801 #define PC_COMPAT_0_12 \
802         PC_COMPAT_0_13,\
803         {\
804             .driver   = "virtio-serial-pci",\
805             .property = "max_ports",\
806             .value    = stringify(1),\
807         },{\
808             .driver   = "virtio-serial-pci",\
809             .property = "vectors",\
810             .value    = stringify(0),\
811         },{\
812             .driver   = "usb-mouse",\
813             .property = "serial",\
814             .value    = "1",\
815         },{\
816             .driver   = "usb-tablet",\
817             .property = "serial",\
818             .value    = "1",\
819         },{\
820             .driver   = "usb-kbd",\
821             .property = "serial",\
822             .value    = "1",\
823         }
824 
825 static QEMUMachine pc_machine_v0_12 = {
826     PC_I440FX_0_13_MACHINE_OPTIONS,
827     .name = "pc-0.12",
828     .compat_props = (GlobalProperty[]) {
829         PC_COMPAT_0_12,
830         {
831             .driver   = "VGA",
832             .property = "rombar",
833             .value    = stringify(0),
834         },{
835             .driver   = "vmware-svga",
836             .property = "rombar",
837             .value    = stringify(0),
838         },
839         { /* end of list */ }
840     },
841     .hw_version = "0.12",
842 };
843 
844 #define PC_COMPAT_0_11 \
845         PC_COMPAT_0_12,\
846         {\
847             .driver   = "virtio-blk-pci",\
848             .property = "vectors",\
849             .value    = stringify(0),\
850         },{\
851             .driver   = TYPE_PCI_DEVICE,\
852             .property = "rombar",\
853             .value    = stringify(0),\
854         }
855 
856 static QEMUMachine pc_machine_v0_11 = {
857     PC_I440FX_0_13_MACHINE_OPTIONS,
858     .name = "pc-0.11",
859     .compat_props = (GlobalProperty[]) {
860         PC_COMPAT_0_11,
861         {
862             .driver   = "ide-drive",
863             .property = "ver",
864             .value    = "0.11",
865         },{
866             .driver   = "scsi-disk",
867             .property = "ver",
868             .value    = "0.11",
869         },
870         { /* end of list */ }
871     },
872     .hw_version = "0.11",
873 };
874 
875 static QEMUMachine pc_machine_v0_10 = {
876     PC_I440FX_0_13_MACHINE_OPTIONS,
877     .name = "pc-0.10",
878     .compat_props = (GlobalProperty[]) {
879         PC_COMPAT_0_11,
880         {
881             .driver   = "virtio-blk-pci",
882             .property = "class",
883             .value    = stringify(PCI_CLASS_STORAGE_OTHER),
884         },{
885             .driver   = "virtio-serial-pci",
886             .property = "class",
887             .value    = stringify(PCI_CLASS_DISPLAY_OTHER),
888         },{
889             .driver   = "virtio-net-pci",
890             .property = "vectors",
891             .value    = stringify(0),
892         },{
893             .driver   = "ide-drive",
894             .property = "ver",
895             .value    = "0.10",
896         },{
897             .driver   = "scsi-disk",
898             .property = "ver",
899             .value    = "0.10",
900         },
901         { /* end of list */ }
902     },
903     .hw_version = "0.10",
904 };
905 
906 static QEMUMachine isapc_machine = {
907     PC_COMMON_MACHINE_OPTIONS,
908     .name = "isapc",
909     .desc = "ISA-only PC",
910     .init = pc_init_isa,
911     .max_cpus = 1,
912     .compat_props = (GlobalProperty[]) {
913         { /* end of list */ }
914     },
915 };
916 
917 #ifdef CONFIG_XEN
918 static QEMUMachine xenfv_machine = {
919     PC_COMMON_MACHINE_OPTIONS,
920     .name = "xenfv",
921     .desc = "Xen Fully-virtualized PC",
922     .init = pc_xen_hvm_init,
923     .max_cpus = HVM_MAX_VCPUS,
924     .default_machine_opts = "accel=xen",
925     .hot_add_cpu = pc_hot_add_cpu,
926 };
927 #endif
928 
929 static void pc_machine_init(void)
930 {
931     qemu_register_pc_machine(&pc_i440fx_machine_v2_2);
932     qemu_register_pc_machine(&pc_i440fx_machine_v2_1);
933     qemu_register_pc_machine(&pc_i440fx_machine_v2_0);
934     qemu_register_pc_machine(&pc_i440fx_machine_v1_7);
935     qemu_register_pc_machine(&pc_i440fx_machine_v1_6);
936     qemu_register_pc_machine(&pc_i440fx_machine_v1_5);
937     qemu_register_pc_machine(&pc_i440fx_machine_v1_4);
938     qemu_register_pc_machine(&pc_machine_v1_3);
939     qemu_register_pc_machine(&pc_machine_v1_2);
940     qemu_register_pc_machine(&pc_machine_v1_1);
941     qemu_register_pc_machine(&pc_machine_v1_0);
942     qemu_register_pc_machine(&pc_machine_v0_15);
943     qemu_register_pc_machine(&pc_machine_v0_14);
944     qemu_register_pc_machine(&pc_machine_v0_13);
945     qemu_register_pc_machine(&pc_machine_v0_12);
946     qemu_register_pc_machine(&pc_machine_v0_11);
947     qemu_register_pc_machine(&pc_machine_v0_10);
948     qemu_register_pc_machine(&isapc_machine);
949 #ifdef CONFIG_XEN
950     qemu_register_pc_machine(&xenfv_machine);
951 #endif
952 }
953 
954 machine_init(pc_machine_init);
955