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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/smbios/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 #include "hw/xen/xen_pt.h"
55 #endif
56 #include "migration/migration.h"
57
58 #define MAX_IDE_BUS 2
59
60 static const int ide_iobase[MAX_IDE_BUS] = { 0x1f0, 0x170 };
61 static const int ide_iobase2[MAX_IDE_BUS] = { 0x3f6, 0x376 };
62 static const int ide_irq[MAX_IDE_BUS] = { 14, 15 };
63
64 static bool pci_enabled = true;
65 static bool has_acpi_build = true;
66 static bool rsdp_in_ram = true;
67 static int legacy_acpi_table_size;
68 static bool smbios_defaults = true;
69 static bool smbios_legacy_mode;
70 static bool smbios_uuid_encoded = true;
71 /* Make sure that guest addresses aligned at 1Gbyte boundaries get mapped to
72  * host addresses aligned at 1Gbyte boundaries.  This way we can use 1GByte
73  * pages in the host.
74  */
75 static bool gigabyte_align = true;
76 static bool has_reserved_memory = true;
77 static bool kvmclock_enabled = true;
78
79 /* PC hardware initialisation */
80 static void pc_init1(MachineState *machine,
81                      const char *host_type, const char *pci_type)
82 {
83     PCMachineState *pcms = PC_MACHINE(machine);
84     MemoryRegion *system_memory = get_system_memory();
85     MemoryRegion *system_io = get_system_io();
86     int i;
87     PCIBus *pci_bus;
88     ISABus *isa_bus;
89     PCII440FXState *i440fx_state;
90     int piix3_devfn = -1;
91     qemu_irq *gsi;
92     qemu_irq *i8259;
93     qemu_irq smi_irq;
94     GSIState *gsi_state;
95     DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
96     BusState *idebus[MAX_IDE_BUS];
97     ISADevice *rtc_state;
98     MemoryRegion *ram_memory;
99     MemoryRegion *pci_memory;
100     MemoryRegion *rom_memory;
101     DeviceState *icc_bridge;
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 > pcms->max_ram_below_4g) {
122         lowmem = pcms->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                          pcms->max_ram_below_4g);
128         }
129     }
130
131     if (machine->ram_size >= lowmem) {
132         pcms->above_4g_mem_size = machine->ram_size - lowmem;
133         pcms->below_4g_mem_size = lowmem;
134     } else {
135         pcms->above_4g_mem_size = 0;
136         pcms->below_4g_mem_size = machine->ram_size;
137     }
138
139     if (xen_enabled() && xen_hvm_init(pcms, &ram_memory) != 0) {
140         fprintf(stderr, "xen hardware virtual machine initialisation failed\n");
141         exit(1);
142     }
143
144     icc_bridge = qdev_create(NULL, TYPE_ICC_BRIDGE);
145     object_property_add_child(qdev_get_machine(), "icc-bridge",
146                               OBJECT(icc_bridge), NULL);
147
148     pc_cpus_init(machine->cpu_model, icc_bridge);
149
150     if (kvm_enabled() && kvmclock_enabled) {
151         kvmclock_create();
152     }
153
154     if (pci_enabled) {
155         pci_memory = g_new(MemoryRegion, 1);
156         memory_region_init(pci_memory, NULL, "pci", UINT64_MAX);
157         rom_memory = pci_memory;
158     } else {
159         pci_memory = NULL;
160         rom_memory = system_memory;
161     }
162
163     guest_info = pc_guest_info_init(pcms);
164
165     guest_info->has_acpi_build = has_acpi_build;
166     guest_info->legacy_acpi_table_size = legacy_acpi_table_size;
167
168     guest_info->isapc_ram_fw = !pci_enabled;
169     guest_info->has_reserved_memory = has_reserved_memory;
170     guest_info->rsdp_in_ram = rsdp_in_ram;
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                             SMBIOS_ENTRY_POINT_21);
178     }
179
180     /* allocate ram and load rom/bios */
181     if (!xen_enabled()) {
182         pc_memory_init(pcms, system_memory,
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         xen_load_linux(pcms, guest_info);
187     }
188
189     gsi_state = g_malloc0(sizeof(*gsi_state));
190     if (kvm_irqchip_in_kernel()) {
191         kvm_pc_setup_irq_routing(pci_enabled);
192         gsi = qemu_allocate_irqs(kvm_pc_gsi_handler, gsi_state,
193                                  GSI_NUM_PINS);
194     } else {
195         gsi = qemu_allocate_irqs(gsi_handler, gsi_state, GSI_NUM_PINS);
196     }
197
198     if (pci_enabled) {
199         pci_bus = i440fx_init(host_type,
200                               pci_type,
201                               &i440fx_state, &piix3_devfn, &isa_bus, gsi,
202                               system_memory, system_io, machine->ram_size,
203                               pcms->below_4g_mem_size,
204                               pcms->above_4g_mem_size,
205                               pci_memory, ram_memory);
206     } else {
207         pci_bus = NULL;
208         i440fx_state = NULL;
209         isa_bus = isa_bus_new(NULL, get_system_memory(), system_io);
210         no_hpet = 1;
211     }
212     isa_bus_irqs(isa_bus, gsi);
213
214     if (kvm_irqchip_in_kernel()) {
215         i8259 = kvm_i8259_init(isa_bus);
216     } else if (xen_enabled()) {
217         i8259 = xen_interrupt_controller_init();
218     } else {
219         i8259 = i8259_init(isa_bus, pc_allocate_cpu_irq());
220     }
221
222     for (i = 0; i < ISA_NUM_IRQS; i++) {
223         gsi_state->i8259_irq[i] = i8259[i];
224     }
225     g_free(i8259);
226     if (pci_enabled) {
227         ioapic_init_gsi(gsi_state, "i440fx");
228     }
229     qdev_init_nofail(icc_bridge);
230
231     pc_register_ferr_irq(gsi[13]);
232
233     pc_vga_init(isa_bus, pci_enabled ? pci_bus : NULL);
234
235     assert(pcms->vmport != ON_OFF_AUTO_MAX);
236     if (pcms->vmport == ON_OFF_AUTO_AUTO) {
237         pcms->vmport = xen_enabled() ? ON_OFF_AUTO_OFF : ON_OFF_AUTO_ON;
238     }
239
240     /* init basic PC hardware */
241     pc_basic_device_init(isa_bus, gsi, &rtc_state, true,
242                          (pcms->vmport != ON_OFF_AUTO_ON), 0x4);
243
244     pc_nic_init(isa_bus, pci_bus);
245
246     ide_drive_get(hd, ARRAY_SIZE(hd));
247     if (pci_enabled) {
248         PCIDevice *dev;
249         if (xen_enabled()) {
250             dev = pci_piix3_xen_ide_init(pci_bus, hd, piix3_devfn + 1);
251         } else {
252             dev = pci_piix3_ide_init(pci_bus, hd, piix3_devfn + 1);
253         }
254         idebus[0] = qdev_get_child_bus(&dev->qdev, "ide.0");
255         idebus[1] = qdev_get_child_bus(&dev->qdev, "ide.1");
256     } else {
257         for(i = 0; i < MAX_IDE_BUS; i++) {
258             ISADevice *dev;
259             char busname[] = "ide.0";
260             dev = isa_ide_init(isa_bus, ide_iobase[i], ide_iobase2[i],
261                                ide_irq[i],
262                                hd[MAX_IDE_DEVS * i], hd[MAX_IDE_DEVS * i + 1]);
263             /*
264              * The ide bus name is ide.0 for the first bus and ide.1 for the
265              * second one.
266              */
267             busname[4] = '0' + i;
268             idebus[i] = qdev_get_child_bus(DEVICE(dev), busname);
269         }
270     }
271
272     pc_cmos_init(pcms, idebus[0], idebus[1], rtc_state);
273
274     if (pci_enabled && usb_enabled()) {
275         pci_create_simple(pci_bus, piix3_devfn + 2, "piix3-usb-uhci");
276     }
277
278     if (pci_enabled && acpi_enabled) {
279         DeviceState *piix4_pm;
280         I2CBus *smbus;
281
282         smi_irq = qemu_allocate_irq(pc_acpi_smi_interrupt, first_cpu, 0);
283         /* TODO: Populate SPD eeprom data.  */
284         smbus = piix4_pm_init(pci_bus, piix3_devfn + 3, 0xb100,
285                               gsi[9], smi_irq,
286                               pc_machine_is_smm_enabled(pcms),
287                               &piix4_pm);
288         smbus_eeprom_init(smbus, 8, NULL, 0);
289
290         object_property_add_link(OBJECT(machine), PC_MACHINE_ACPI_DEVICE_PROP,
291                                  TYPE_HOTPLUG_HANDLER,
292                                  (Object **)&pcms->acpi_dev,
293                                  object_property_allow_set_link,
294                                  OBJ_PROP_LINK_UNREF_ON_RELEASE, &error_abort);
295         object_property_set_link(OBJECT(machine), OBJECT(piix4_pm),
296                                  PC_MACHINE_ACPI_DEVICE_PROP, &error_abort);
297     }
298
299     if (pci_enabled) {
300         pc_pci_device_init(pci_bus);
301     }
302 }
303
304 static void pc_compat_2_3(MachineState *machine)
305 {
306     PCMachineState *pcms = PC_MACHINE(machine);
307     savevm_skip_section_footers();
308     if (kvm_enabled()) {
309         pcms->smm = ON_OFF_AUTO_OFF;
310     }
311     global_state_set_optional();
312     savevm_skip_configuration();
313 }
314
315 static void pc_compat_2_2(MachineState *machine)
316 {
317     pc_compat_2_3(machine);
318     rsdp_in_ram = false;
319     machine->suppress_vmdesc = true;
320 }
321
322 static void pc_compat_2_1(MachineState *machine)
323 {
324     PCMachineState *pcms = PC_MACHINE(machine);
325
326     pc_compat_2_2(machine);
327     smbios_uuid_encoded = false;
328     x86_cpu_compat_kvm_no_autodisable(FEAT_8000_0001_ECX, CPUID_EXT3_SVM);
329     pcms->enforce_aligned_dimm = false;
330 }
331
332 static void pc_compat_2_0(MachineState *machine)
333 {
334     pc_compat_2_1(machine);
335     /* This value depends on the actual DSDT and SSDT compiled into
336      * the source QEMU; unfortunately it depends on the binary and
337      * not on the machine type, so we cannot make pc-i440fx-1.7 work on
338      * both QEMU 1.7 and QEMU 2.0.
339      *
340      * Large variations cause migration to fail for more than one
341      * consecutive value of the "-smp" maxcpus option.
342      *
343      * For small variations of the kind caused by different iasl versions,
344      * the 4k rounding usually leaves slack.  However, there could be still
345      * one or two values that break.  For QEMU 1.7 and QEMU 2.0 the
346      * slack is only ~10 bytes before one "-smp maxcpus" value breaks!
347      *
348      * 6652 is valid for QEMU 2.0, the right value for pc-i440fx-1.7 on
349      * QEMU 1.7 it is 6414.  For RHEL/CentOS 7.0 it is 6418.
350      */
351     legacy_acpi_table_size = 6652;
352     smbios_legacy_mode = true;
353     has_reserved_memory = false;
354     pc_set_legacy_acpi_data_size();
355 }
356
357 static void pc_compat_1_7(MachineState *machine)
358 {
359     pc_compat_2_0(machine);
360     smbios_defaults = false;
361     gigabyte_align = false;
362     option_rom_has_mr = true;
363     legacy_acpi_table_size = 6414;
364     x86_cpu_compat_kvm_no_autoenable(FEAT_1_ECX, CPUID_EXT_X2APIC);
365 }
366
367 static void pc_compat_1_6(MachineState *machine)
368 {
369     pc_compat_1_7(machine);
370     rom_file_has_mr = false;
371     has_acpi_build = false;
372 }
373
374 static void pc_compat_1_5(MachineState *machine)
375 {
376     pc_compat_1_6(machine);
377 }
378
379 static void pc_compat_1_4(MachineState *machine)
380 {
381     pc_compat_1_5(machine);
382 }
383
384 static void pc_compat_1_3(MachineState *machine)
385 {
386     pc_compat_1_4(machine);
387     enable_compat_apic_id_mode();
388 }
389
390 /* PC compat function for pc-0.14 to pc-1.2 */
391 static void pc_compat_1_2(MachineState *machine)
392 {
393     pc_compat_1_3(machine);
394     x86_cpu_compat_kvm_no_autoenable(FEAT_KVM, 1 << KVM_FEATURE_PV_EOI);
395 }
396
397 /* PC compat function for pc-0.10 to pc-0.13 */
398 static void pc_compat_0_13(MachineState *machine)
399 {
400     pc_compat_1_2(machine);
401     kvmclock_enabled = false;
402 }
403
404 static void pc_init_isa(MachineState *machine)
405 {
406     pci_enabled = false;
407     has_acpi_build = false;
408     smbios_defaults = false;
409     gigabyte_align = false;
410     smbios_legacy_mode = true;
411     has_reserved_memory = false;
412     option_rom_has_mr = true;
413     rom_file_has_mr = false;
414     if (!machine->cpu_model) {
415         machine->cpu_model = "486";
416     }
417     x86_cpu_compat_kvm_no_autoenable(FEAT_KVM, 1 << KVM_FEATURE_PV_EOI);
418     enable_compat_apic_id_mode();
419     pc_init1(machine, TYPE_I440FX_PCI_HOST_BRIDGE, TYPE_I440FX_PCI_DEVICE);
420 }
421
422 #ifdef CONFIG_XEN
423 static void pc_xen_hvm_init_pci(MachineState *machine)
424 {
425     const char *pci_type = has_igd_gfx_passthru ?
426                 TYPE_IGD_PASSTHROUGH_I440FX_PCI_DEVICE : TYPE_I440FX_PCI_DEVICE;
427
428     pc_init1(machine,
429              TYPE_I440FX_PCI_HOST_BRIDGE,
430              pci_type);
431 }
432
433 static void pc_xen_hvm_init(MachineState *machine)
434 {
435     PCIBus *bus;
436
437     pc_xen_hvm_init_pci(machine);
438
439     bus = pci_find_primary_bus();
440     if (bus != NULL) {
441         pci_create_simple(bus, -1, "xen-platform");
442     }
443 }
444 #endif
445
446 #define DEFINE_I440FX_MACHINE(suffix, name, compatfn, optionfn) \
447     static void pc_init_##suffix(MachineState *machine) \
448     { \
449         void (*compat)(MachineState *m) = (compatfn); \
450         if (compat) { \
451             compat(machine); \
452         } \
453         pc_init1(machine, TYPE_I440FX_PCI_HOST_BRIDGE, \
454                  TYPE_I440FX_PCI_DEVICE); \
455     } \
456     DEFINE_PC_MACHINE(suffix, name, pc_init_##suffix, optionfn)
457
458 static void pc_i440fx_machine_options(MachineClass *m)
459 {
460     m->family = "pc_piix";
461     m->desc = "Standard PC (i440FX + PIIX, 1996)";
462     m->hot_add_cpu = pc_hot_add_cpu;
463     m->default_machine_opts = "firmware=bios-256k.bin";
464     m->default_display = "std";
465 }
466
467 static void pc_i440fx_2_5_machine_options(MachineClass *m)
468 {
469     pc_i440fx_machine_options(m);
470     m->alias = "pc";
471     m->is_default = 1;
472 }
473
474 DEFINE_I440FX_MACHINE(v2_5, "pc-i440fx-2.5", NULL,
475                       pc_i440fx_2_5_machine_options);
476
477
478 static void pc_i440fx_2_4_machine_options(MachineClass *m)
479 {
480     PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
481     pc_i440fx_2_5_machine_options(m);
482     m->alias = NULL;
483     m->is_default = 0;
484     pcmc->broken_reserved_end = true;
485     SET_MACHINE_COMPAT(m, PC_COMPAT_2_4);
486 }
487
488 DEFINE_I440FX_MACHINE(v2_4, "pc-i440fx-2.4", NULL,
489                       pc_i440fx_2_4_machine_options)
490
491
492 static void pc_i440fx_2_3_machine_options(MachineClass *m)
493 {
494     pc_i440fx_2_4_machine_options(m);
495     m->alias = NULL;
496     m->is_default = 0;
497     SET_MACHINE_COMPAT(m, PC_COMPAT_2_3);
498 }
499
500 DEFINE_I440FX_MACHINE(v2_3, "pc-i440fx-2.3", pc_compat_2_3,
501                       pc_i440fx_2_3_machine_options);
502
503
504 static void pc_i440fx_2_2_machine_options(MachineClass *m)
505 {
506     pc_i440fx_2_3_machine_options(m);
507     SET_MACHINE_COMPAT(m, PC_COMPAT_2_2);
508 }
509
510 DEFINE_I440FX_MACHINE(v2_2, "pc-i440fx-2.2", pc_compat_2_2,
511                       pc_i440fx_2_2_machine_options);
512
513
514 static void pc_i440fx_2_1_machine_options(MachineClass *m)
515 {
516     pc_i440fx_2_2_machine_options(m);
517     m->default_display = NULL;
518     SET_MACHINE_COMPAT(m, PC_COMPAT_2_1);
519 }
520
521 DEFINE_I440FX_MACHINE(v2_1, "pc-i440fx-2.1", pc_compat_2_1,
522                       pc_i440fx_2_1_machine_options);
523
524
525
526 static void pc_i440fx_2_0_machine_options(MachineClass *m)
527 {
528     pc_i440fx_2_1_machine_options(m);
529     SET_MACHINE_COMPAT(m, PC_COMPAT_2_0);
530 }
531
532 DEFINE_I440FX_MACHINE(v2_0, "pc-i440fx-2.0", pc_compat_2_0,
533                       pc_i440fx_2_0_machine_options);
534
535
536 static void pc_i440fx_1_7_machine_options(MachineClass *m)
537 {
538     pc_i440fx_2_0_machine_options(m);
539     m->default_machine_opts = NULL;
540     SET_MACHINE_COMPAT(m, PC_COMPAT_1_7);
541 }
542
543 DEFINE_I440FX_MACHINE(v1_7, "pc-i440fx-1.7", pc_compat_1_7,
544                       pc_i440fx_1_7_machine_options);
545
546
547 static void pc_i440fx_1_6_machine_options(MachineClass *m)
548 {
549     pc_i440fx_1_7_machine_options(m);
550     SET_MACHINE_COMPAT(m, PC_COMPAT_1_6);
551 }
552
553 DEFINE_I440FX_MACHINE(v1_6, "pc-i440fx-1.6", pc_compat_1_6,
554                       pc_i440fx_1_6_machine_options);
555
556
557 static void pc_i440fx_1_5_machine_options(MachineClass *m)
558 {
559     pc_i440fx_1_6_machine_options(m);
560     SET_MACHINE_COMPAT(m, PC_COMPAT_1_5);
561 }
562
563 DEFINE_I440FX_MACHINE(v1_5, "pc-i440fx-1.5", pc_compat_1_5,
564                       pc_i440fx_1_5_machine_options);
565
566
567 static void pc_i440fx_1_4_machine_options(MachineClass *m)
568 {
569     pc_i440fx_1_5_machine_options(m);
570     m->hot_add_cpu = NULL;
571     SET_MACHINE_COMPAT(m, PC_COMPAT_1_4);
572 }
573
574 DEFINE_I440FX_MACHINE(v1_4, "pc-i440fx-1.4", pc_compat_1_4,
575                       pc_i440fx_1_4_machine_options);
576
577
578 #define PC_COMPAT_1_3 \
579         PC_COMPAT_1_4 \
580         {\
581             .driver   = "usb-tablet",\
582             .property = "usb_version",\
583             .value    = stringify(1),\
584         },{\
585             .driver   = "virtio-net-pci",\
586             .property = "ctrl_mac_addr",\
587             .value    = "off",      \
588         },{ \
589             .driver   = "virtio-net-pci", \
590             .property = "mq", \
591             .value    = "off", \
592         }, {\
593             .driver   = "e1000",\
594             .property = "autonegotiation",\
595             .value    = "off",\
596         },
597
598
599 static void pc_i440fx_1_3_machine_options(MachineClass *m)
600 {
601     pc_i440fx_1_4_machine_options(m);
602     SET_MACHINE_COMPAT(m, PC_COMPAT_1_3);
603 }
604
605 DEFINE_I440FX_MACHINE(v1_3, "pc-1.3", pc_compat_1_3,
606                       pc_i440fx_1_3_machine_options);
607
608
609 #define PC_COMPAT_1_2 \
610         PC_COMPAT_1_3 \
611         {\
612             .driver   = "nec-usb-xhci",\
613             .property = "msi",\
614             .value    = "off",\
615         },{\
616             .driver   = "nec-usb-xhci",\
617             .property = "msix",\
618             .value    = "off",\
619         },{\
620             .driver   = "ivshmem",\
621             .property = "use64",\
622             .value    = "0",\
623         },{\
624             .driver   = "qxl",\
625             .property = "revision",\
626             .value    = stringify(3),\
627         },{\
628             .driver   = "qxl-vga",\
629             .property = "revision",\
630             .value    = stringify(3),\
631         },{\
632             .driver   = "VGA",\
633             .property = "mmio",\
634             .value    = "off",\
635         },
636
637 static void pc_i440fx_1_2_machine_options(MachineClass *m)
638 {
639     pc_i440fx_1_3_machine_options(m);
640     SET_MACHINE_COMPAT(m, PC_COMPAT_1_2);
641 }
642
643 DEFINE_I440FX_MACHINE(v1_2, "pc-1.2", pc_compat_1_2,
644                       pc_i440fx_1_2_machine_options);
645
646
647 #define PC_COMPAT_1_1 \
648         PC_COMPAT_1_2 \
649         {\
650             .driver   = "virtio-scsi-pci",\
651             .property = "hotplug",\
652             .value    = "off",\
653         },{\
654             .driver   = "virtio-scsi-pci",\
655             .property = "param_change",\
656             .value    = "off",\
657         },{\
658             .driver   = "VGA",\
659             .property = "vgamem_mb",\
660             .value    = stringify(8),\
661         },{\
662             .driver   = "vmware-svga",\
663             .property = "vgamem_mb",\
664             .value    = stringify(8),\
665         },{\
666             .driver   = "qxl-vga",\
667             .property = "vgamem_mb",\
668             .value    = stringify(8),\
669         },{\
670             .driver   = "qxl",\
671             .property = "vgamem_mb",\
672             .value    = stringify(8),\
673         },{\
674             .driver   = "virtio-blk-pci",\
675             .property = "config-wce",\
676             .value    = "off",\
677         },
678
679 static void pc_i440fx_1_1_machine_options(MachineClass *m)
680 {
681     pc_i440fx_1_2_machine_options(m);
682     SET_MACHINE_COMPAT(m, PC_COMPAT_1_1);
683 }
684
685 DEFINE_I440FX_MACHINE(v1_1, "pc-1.1", pc_compat_1_2,
686                       pc_i440fx_1_1_machine_options);
687
688
689 #define PC_COMPAT_1_0 \
690         PC_COMPAT_1_1 \
691         {\
692             .driver   = TYPE_ISA_FDC,\
693             .property = "check_media_rate",\
694             .value    = "off",\
695         }, {\
696             .driver   = "virtio-balloon-pci",\
697             .property = "class",\
698             .value    = stringify(PCI_CLASS_MEMORY_RAM),\
699         },{\
700             .driver   = "apic-common",\
701             .property = "vapic",\
702             .value    = "off",\
703         },{\
704             .driver   = TYPE_USB_DEVICE,\
705             .property = "full-path",\
706             .value    = "no",\
707         },
708
709 static void pc_i440fx_1_0_machine_options(MachineClass *m)
710 {
711     pc_i440fx_1_1_machine_options(m);
712     m->hw_version = "1.0";
713     SET_MACHINE_COMPAT(m, PC_COMPAT_1_0);
714 }
715
716 DEFINE_I440FX_MACHINE(v1_0, "pc-1.0", pc_compat_1_2,
717                       pc_i440fx_1_0_machine_options);
718
719
720 #define PC_COMPAT_0_15 \
721         PC_COMPAT_1_0
722
723 static void pc_i440fx_0_15_machine_options(MachineClass *m)
724 {
725     pc_i440fx_1_0_machine_options(m);
726     m->hw_version = "0.15";
727     SET_MACHINE_COMPAT(m, PC_COMPAT_0_15);
728 }
729
730 DEFINE_I440FX_MACHINE(v0_15, "pc-0.15", pc_compat_1_2,
731                       pc_i440fx_0_15_machine_options);
732
733
734 #define PC_COMPAT_0_14 \
735         PC_COMPAT_0_15 \
736         {\
737             .driver   = "virtio-blk-pci",\
738             .property = "event_idx",\
739             .value    = "off",\
740         },{\
741             .driver   = "virtio-serial-pci",\
742             .property = "event_idx",\
743             .value    = "off",\
744         },{\
745             .driver   = "virtio-net-pci",\
746             .property = "event_idx",\
747             .value    = "off",\
748         },{\
749             .driver   = "virtio-balloon-pci",\
750             .property = "event_idx",\
751             .value    = "off",\
752         },{\
753             .driver   = "qxl",\
754             .property = "revision",\
755             .value    = stringify(2),\
756         },{\
757             .driver   = "qxl-vga",\
758             .property = "revision",\
759             .value    = stringify(2),\
760         },
761
762 static void pc_i440fx_0_14_machine_options(MachineClass *m)
763 {
764     pc_i440fx_0_15_machine_options(m);
765     m->hw_version = "0.14";
766     SET_MACHINE_COMPAT(m, PC_COMPAT_0_14);
767 }
768
769 DEFINE_I440FX_MACHINE(v0_14, "pc-0.14", pc_compat_1_2,
770                       pc_i440fx_0_14_machine_options);
771
772
773 #define PC_COMPAT_0_13 \
774         PC_COMPAT_0_14 \
775         {\
776             .driver   = TYPE_PCI_DEVICE,\
777             .property = "command_serr_enable",\
778             .value    = "off",\
779         },{\
780             .driver   = "AC97",\
781             .property = "use_broken_id",\
782             .value    = stringify(1),\
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
797 static void pc_i440fx_0_13_machine_options(MachineClass *m)
798 {
799     pc_i440fx_0_14_machine_options(m);
800     m->hw_version = "0.13";
801     SET_MACHINE_COMPAT(m, PC_COMPAT_0_13);
802 }
803
804 DEFINE_I440FX_MACHINE(v0_13, "pc-0.13", pc_compat_0_13,
805                       pc_i440fx_0_13_machine_options);
806
807
808 #define PC_COMPAT_0_12 \
809         PC_COMPAT_0_13 \
810         {\
811             .driver   = "virtio-serial-pci",\
812             .property = "max_ports",\
813             .value    = stringify(1),\
814         },{\
815             .driver   = "virtio-serial-pci",\
816             .property = "vectors",\
817             .value    = stringify(0),\
818         },{\
819             .driver   = "usb-mouse",\
820             .property = "serial",\
821             .value    = "1",\
822         },{\
823             .driver   = "usb-tablet",\
824             .property = "serial",\
825             .value    = "1",\
826         },{\
827             .driver   = "usb-kbd",\
828             .property = "serial",\
829             .value    = "1",\
830         },
831
832 static void pc_i440fx_0_12_machine_options(MachineClass *m)
833 {
834     pc_i440fx_0_13_machine_options(m);
835     m->hw_version = "0.12";
836     SET_MACHINE_COMPAT(m, PC_COMPAT_0_12);
837 }
838
839 DEFINE_I440FX_MACHINE(v0_12, "pc-0.12", pc_compat_0_13,
840                       pc_i440fx_0_12_machine_options);
841
842
843 #define PC_COMPAT_0_11 \
844         PC_COMPAT_0_12 \
845         {\
846             .driver   = "virtio-blk-pci",\
847             .property = "vectors",\
848             .value    = stringify(0),\
849         },{\
850             .driver   = TYPE_PCI_DEVICE,\
851             .property = "rombar",\
852             .value    = stringify(0),\
853         },{\
854             .driver   = "ide-drive",\
855             .property = "ver",\
856             .value    = "0.11",\
857         },{\
858             .driver   = "scsi-disk",\
859             .property = "ver",\
860             .value    = "0.11",\
861         },
862
863 static void pc_i440fx_0_11_machine_options(MachineClass *m)
864 {
865     pc_i440fx_0_12_machine_options(m);
866     m->hw_version = "0.11";
867     SET_MACHINE_COMPAT(m, PC_COMPAT_0_11);
868 }
869
870 DEFINE_I440FX_MACHINE(v0_11, "pc-0.11", pc_compat_0_13,
871                       pc_i440fx_0_11_machine_options);
872
873
874 #define PC_COMPAT_0_10 \
875     PC_COMPAT_0_11 \
876     {\
877         .driver   = "virtio-blk-pci",\
878         .property = "class",\
879         .value    = stringify(PCI_CLASS_STORAGE_OTHER),\
880     },{\
881         .driver   = "virtio-serial-pci",\
882         .property = "class",\
883         .value    = stringify(PCI_CLASS_DISPLAY_OTHER),\
884     },{\
885         .driver   = "virtio-net-pci",\
886         .property = "vectors",\
887         .value    = stringify(0),\
888     },{\
889         .driver   = "ide-drive",\
890         .property = "ver",\
891         .value    = "0.10",\
892     },{\
893         .driver   = "scsi-disk",\
894         .property = "ver",\
895         .value    = "0.10",\
896     },
897
898 static void pc_i440fx_0_10_machine_options(MachineClass *m)
899 {
900     pc_i440fx_0_11_machine_options(m);
901     m->hw_version = "0.10";
902     SET_MACHINE_COMPAT(m, PC_COMPAT_0_10);
903 }
904
905 DEFINE_I440FX_MACHINE(v0_10, "pc-0.10", pc_compat_0_13,
906                       pc_i440fx_0_10_machine_options);
907
908 typedef struct {
909     uint16_t gpu_device_id;
910     uint16_t pch_device_id;
911     uint8_t pch_revision_id;
912 } IGDDeviceIDInfo;
913
914 /* In real world different GPU should have different PCH. But actually
915  * the different PCH DIDs likely map to different PCH SKUs. We do the
916  * same thing for the GPU. For PCH, the different SKUs are going to be
917  * all the same silicon design and implementation, just different
918  * features turn on and off with fuses. The SW interfaces should be
919  * consistent across all SKUs in a given family (eg LPT). But just same
920  * features may not be supported.
921  *
922  * Most of these different PCH features probably don't matter to the
923  * Gfx driver, but obviously any difference in display port connections
924  * will so it should be fine with any PCH in case of passthrough.
925  *
926  * So currently use one PCH version, 0x8c4e, to cover all HSW(Haswell)
927  * scenarios, 0x9cc3 for BDW(Broadwell).
928  */
929 static const IGDDeviceIDInfo igd_combo_id_infos[] = {
930     /* HSW Classic */
931     {0x0402, 0x8c4e, 0x04}, /* HSWGT1D, HSWD_w7 */
932     {0x0406, 0x8c4e, 0x04}, /* HSWGT1M, HSWM_w7 */
933     {0x0412, 0x8c4e, 0x04}, /* HSWGT2D, HSWD_w7 */
934     {0x0416, 0x8c4e, 0x04}, /* HSWGT2M, HSWM_w7 */
935     {0x041E, 0x8c4e, 0x04}, /* HSWGT15D, HSWD_w7 */
936     /* HSW ULT */
937     {0x0A06, 0x8c4e, 0x04}, /* HSWGT1UT, HSWM_w7 */
938     {0x0A16, 0x8c4e, 0x04}, /* HSWGT2UT, HSWM_w7 */
939     {0x0A26, 0x8c4e, 0x06}, /* HSWGT3UT, HSWM_w7 */
940     {0x0A2E, 0x8c4e, 0x04}, /* HSWGT3UT28W, HSWM_w7 */
941     {0x0A1E, 0x8c4e, 0x04}, /* HSWGT2UX, HSWM_w7 */
942     {0x0A0E, 0x8c4e, 0x04}, /* HSWGT1ULX, HSWM_w7 */
943     /* HSW CRW */
944     {0x0D26, 0x8c4e, 0x04}, /* HSWGT3CW, HSWM_w7 */
945     {0x0D22, 0x8c4e, 0x04}, /* HSWGT3CWDT, HSWD_w7 */
946     /* HSW Server */
947     {0x041A, 0x8c4e, 0x04}, /* HSWSVGT2, HSWD_w7 */
948     /* HSW SRVR */
949     {0x040A, 0x8c4e, 0x04}, /* HSWSVGT1, HSWD_w7 */
950     /* BSW */
951     {0x1606, 0x9cc3, 0x03}, /* BDWULTGT1, BDWM_w7 */
952     {0x1616, 0x9cc3, 0x03}, /* BDWULTGT2, BDWM_w7 */
953     {0x1626, 0x9cc3, 0x03}, /* BDWULTGT3, BDWM_w7 */
954     {0x160E, 0x9cc3, 0x03}, /* BDWULXGT1, BDWM_w7 */
955     {0x161E, 0x9cc3, 0x03}, /* BDWULXGT2, BDWM_w7 */
956     {0x1602, 0x9cc3, 0x03}, /* BDWHALOGT1, BDWM_w7 */
957     {0x1612, 0x9cc3, 0x03}, /* BDWHALOGT2, BDWM_w7 */
958     {0x1622, 0x9cc3, 0x03}, /* BDWHALOGT3, BDWM_w7 */
959     {0x162B, 0x9cc3, 0x03}, /* BDWHALO28W, BDWM_w7 */
960     {0x162A, 0x9cc3, 0x03}, /* BDWGT3WRKS, BDWM_w7 */
961     {0x162D, 0x9cc3, 0x03}, /* BDWGT3SRVR, BDWM_w7 */
962 };
963
964 static void isa_bridge_class_init(ObjectClass *klass, void *data)
965 {
966     DeviceClass *dc = DEVICE_CLASS(klass);
967     PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
968
969     dc->desc        = "ISA bridge faked to support IGD PT";
970     k->vendor_id    = PCI_VENDOR_ID_INTEL;
971     k->class_id     = PCI_CLASS_BRIDGE_ISA;
972 };
973
974 static TypeInfo isa_bridge_info = {
975     .name          = "igd-passthrough-isa-bridge",
976     .parent        = TYPE_PCI_DEVICE,
977     .instance_size = sizeof(PCIDevice),
978     .class_init = isa_bridge_class_init,
979 };
980
981 static void pt_graphics_register_types(void)
982 {
983     type_register_static(&isa_bridge_info);
984 }
985 type_init(pt_graphics_register_types)
986
987 void igd_passthrough_isa_bridge_create(PCIBus *bus, uint16_t gpu_dev_id)
988 {
989     struct PCIDevice *bridge_dev;
990     int i, num;
991     uint16_t pch_dev_id = 0xffff;
992     uint8_t pch_rev_id;
993
994     num = ARRAY_SIZE(igd_combo_id_infos);
995     for (i = 0; i < num; i++) {
996         if (gpu_dev_id == igd_combo_id_infos[i].gpu_device_id) {
997             pch_dev_id = igd_combo_id_infos[i].pch_device_id;
998             pch_rev_id = igd_combo_id_infos[i].pch_revision_id;
999         }
1000     }
1001
1002     if (pch_dev_id == 0xffff) {
1003         return;
1004     }
1005
1006     /* Currently IGD drivers always need to access PCH by 1f.0. */
1007     bridge_dev = pci_create_simple(bus, PCI_DEVFN(0x1f, 0),
1008                                    "igd-passthrough-isa-bridge");
1009
1010     /*
1011      * Note that vendor id is always PCI_VENDOR_ID_INTEL.
1012      */
1013     if (!bridge_dev) {
1014         fprintf(stderr, "set igd-passthrough-isa-bridge failed!\n");
1015         return;
1016     }
1017     pci_config_set_device_id(bridge_dev->config, pch_dev_id);
1018     pci_config_set_revision(bridge_dev->config, pch_rev_id);
1019 }
1020
1021 static void isapc_machine_options(MachineClass *m)
1022 {
1023     m->desc = "ISA-only PC";
1024     m->max_cpus = 1;
1025 }
1026
1027 DEFINE_PC_MACHINE(isapc, "isapc", pc_init_isa,
1028                   isapc_machine_options);
1029
1030
1031 #ifdef CONFIG_XEN
1032 static void xenfv_machine_options(MachineClass *m)
1033 {
1034     m->desc = "Xen Fully-virtualized PC";
1035     m->max_cpus = HVM_MAX_VCPUS;
1036     m->default_machine_opts = "accel=xen";
1037     m->hot_add_cpu = pc_hot_add_cpu;
1038 }
1039
1040 DEFINE_PC_MACHINE(xenfv, "xenfv", pc_xen_hvm_init,
1041                   xenfv_machine_options);
1042 #endif
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