2 * QEMU PC System Emulator
4 * Copyright (c) 2003-2004 Fabrice Bellard
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:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
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
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"
36 #include "hw/boards.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"
51 #include "qemu/error-report.h"
53 #include <xen/hvm/hvm_info_table.h>
54 #include "hw/xen/xen_pt.h"
56 #include "migration/migration.h"
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 };
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
75 static bool gigabyte_align = true;
76 static bool has_reserved_memory = true;
77 static bool kvmclock_enabled = true;
79 /* PC hardware initialisation */
80 static void pc_init1(MachineState *machine,
81 const char *host_type, const char *pci_type)
83 PCMachineState *pcms = PC_MACHINE(machine);
84 MemoryRegion *system_memory = get_system_memory();
85 MemoryRegion *system_io = get_system_io();
89 PCII440FXState *i440fx_state;
95 DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
96 BusState *idebus[MAX_IDE_BUS];
98 MemoryRegion *ram_memory;
99 MemoryRegion *pci_memory;
100 MemoryRegion *rom_memory;
101 DeviceState *icc_bridge;
102 PcGuestInfo *guest_info;
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.
112 if (machine->ram_size >= 0xe0000000) {
113 lowmem = gigabyte_align ? 0xc0000000 : 0xe0000000;
118 /* Handle the machine opt max-ram-below-4g. It is basically doing
119 * min(qemu limit, user limit).
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);
131 if (machine->ram_size >= lowmem) {
132 pcms->above_4g_mem_size = machine->ram_size - lowmem;
133 pcms->below_4g_mem_size = lowmem;
135 pcms->above_4g_mem_size = 0;
136 pcms->below_4g_mem_size = machine->ram_size;
139 if (xen_enabled() && xen_hvm_init(pcms, &ram_memory) != 0) {
140 fprintf(stderr, "xen hardware virtual machine initialisation failed\n");
144 icc_bridge = qdev_create(NULL, TYPE_ICC_BRIDGE);
145 object_property_add_child(qdev_get_machine(), "icc-bridge",
146 OBJECT(icc_bridge), NULL);
148 pc_cpus_init(machine->cpu_model, icc_bridge);
150 if (kvm_enabled() && kvmclock_enabled) {
155 pci_memory = g_new(MemoryRegion, 1);
156 memory_region_init(pci_memory, NULL, "pci", UINT64_MAX);
157 rom_memory = pci_memory;
160 rom_memory = system_memory;
163 guest_info = pc_guest_info_init(pcms);
165 guest_info->has_acpi_build = has_acpi_build;
166 guest_info->legacy_acpi_table_size = legacy_acpi_table_size;
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;
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);
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);
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,
195 gsi = qemu_allocate_irqs(gsi_handler, gsi_state, GSI_NUM_PINS);
199 pci_bus = i440fx_init(host_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);
209 isa_bus = isa_bus_new(NULL, get_system_memory(), system_io);
212 isa_bus_irqs(isa_bus, gsi);
214 if (kvm_irqchip_in_kernel()) {
215 i8259 = kvm_i8259_init(isa_bus);
216 } else if (xen_enabled()) {
217 i8259 = xen_interrupt_controller_init();
219 i8259 = i8259_init(isa_bus, pc_allocate_cpu_irq());
222 for (i = 0; i < ISA_NUM_IRQS; i++) {
223 gsi_state->i8259_irq[i] = i8259[i];
227 ioapic_init_gsi(gsi_state, "i440fx");
229 qdev_init_nofail(icc_bridge);
231 pc_register_ferr_irq(gsi[13]);
233 pc_vga_init(isa_bus, pci_enabled ? pci_bus : NULL);
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;
240 /* init basic PC hardware */
241 pc_basic_device_init(isa_bus, gsi, &rtc_state, true,
242 (pcms->vmport != ON_OFF_AUTO_ON), 0x4);
244 pc_nic_init(isa_bus, pci_bus);
246 ide_drive_get(hd, ARRAY_SIZE(hd));
250 dev = pci_piix3_xen_ide_init(pci_bus, hd, piix3_devfn + 1);
252 dev = pci_piix3_ide_init(pci_bus, hd, piix3_devfn + 1);
254 idebus[0] = qdev_get_child_bus(&dev->qdev, "ide.0");
255 idebus[1] = qdev_get_child_bus(&dev->qdev, "ide.1");
257 for(i = 0; i < MAX_IDE_BUS; i++) {
259 char busname[] = "ide.0";
260 dev = isa_ide_init(isa_bus, ide_iobase[i], ide_iobase2[i],
262 hd[MAX_IDE_DEVS * i], hd[MAX_IDE_DEVS * i + 1]);
264 * The ide bus name is ide.0 for the first bus and ide.1 for the
267 busname[4] = '0' + i;
268 idebus[i] = qdev_get_child_bus(DEVICE(dev), busname);
272 pc_cmos_init(pcms, idebus[0], idebus[1], rtc_state);
274 if (pci_enabled && usb_enabled()) {
275 pci_create_simple(pci_bus, piix3_devfn + 2, "piix3-usb-uhci");
278 if (pci_enabled && acpi_enabled) {
279 DeviceState *piix4_pm;
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,
286 pc_machine_is_smm_enabled(pcms),
288 smbus_eeprom_init(smbus, 8, NULL, 0);
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);
300 pc_pci_device_init(pci_bus);
304 static void pc_compat_2_3(MachineState *machine)
306 PCMachineState *pcms = PC_MACHINE(machine);
307 savevm_skip_section_footers();
309 pcms->smm = ON_OFF_AUTO_OFF;
311 global_state_set_optional();
312 savevm_skip_configuration();
315 static void pc_compat_2_2(MachineState *machine)
317 pc_compat_2_3(machine);
319 machine->suppress_vmdesc = true;
322 static void pc_compat_2_1(MachineState *machine)
324 PCMachineState *pcms = PC_MACHINE(machine);
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;
332 static void pc_compat_2_0(MachineState *machine)
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.
340 * Large variations cause migration to fail for more than one
341 * consecutive value of the "-smp" maxcpus option.
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!
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.
351 legacy_acpi_table_size = 6652;
352 smbios_legacy_mode = true;
353 has_reserved_memory = false;
354 pc_set_legacy_acpi_data_size();
357 static void pc_compat_1_7(MachineState *machine)
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);
367 static void pc_compat_1_6(MachineState *machine)
369 pc_compat_1_7(machine);
370 rom_file_has_mr = false;
371 has_acpi_build = false;
374 static void pc_compat_1_5(MachineState *machine)
376 pc_compat_1_6(machine);
379 static void pc_compat_1_4(MachineState *machine)
381 pc_compat_1_5(machine);
384 static void pc_compat_1_3(MachineState *machine)
386 pc_compat_1_4(machine);
387 enable_compat_apic_id_mode();
390 /* PC compat function for pc-0.14 to pc-1.2 */
391 static void pc_compat_1_2(MachineState *machine)
393 pc_compat_1_3(machine);
394 x86_cpu_compat_kvm_no_autoenable(FEAT_KVM, 1 << KVM_FEATURE_PV_EOI);
397 /* PC compat function for pc-0.10 to pc-0.13 */
398 static void pc_compat_0_13(MachineState *machine)
400 pc_compat_1_2(machine);
401 kvmclock_enabled = false;
404 static void pc_init_isa(MachineState *machine)
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";
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);
423 static void pc_xen_hvm_init_pci(MachineState *machine)
425 const char *pci_type = has_igd_gfx_passthru ?
426 TYPE_IGD_PASSTHROUGH_I440FX_PCI_DEVICE : TYPE_I440FX_PCI_DEVICE;
429 TYPE_I440FX_PCI_HOST_BRIDGE,
433 static void pc_xen_hvm_init(MachineState *machine)
437 pc_xen_hvm_init_pci(machine);
439 bus = pci_find_primary_bus();
441 pci_create_simple(bus, -1, "xen-platform");
446 #define DEFINE_I440FX_MACHINE(suffix, name, compatfn, optionfn) \
447 static void pc_init_##suffix(MachineState *machine) \
449 void (*compat)(MachineState *m) = (compatfn); \
453 pc_init1(machine, TYPE_I440FX_PCI_HOST_BRIDGE, \
454 TYPE_I440FX_PCI_DEVICE); \
456 DEFINE_PC_MACHINE(suffix, name, pc_init_##suffix, optionfn)
458 static void pc_i440fx_machine_options(MachineClass *m)
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";
467 static void pc_i440fx_2_5_machine_options(MachineClass *m)
469 pc_i440fx_machine_options(m);
474 DEFINE_I440FX_MACHINE(v2_5, "pc-i440fx-2.5", NULL,
475 pc_i440fx_2_5_machine_options);
478 static void pc_i440fx_2_4_machine_options(MachineClass *m)
480 PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
481 pc_i440fx_2_5_machine_options(m);
484 pcmc->broken_reserved_end = true;
485 SET_MACHINE_COMPAT(m, PC_COMPAT_2_4);
488 DEFINE_I440FX_MACHINE(v2_4, "pc-i440fx-2.4", NULL,
489 pc_i440fx_2_4_machine_options)
492 static void pc_i440fx_2_3_machine_options(MachineClass *m)
494 pc_i440fx_2_4_machine_options(m);
497 SET_MACHINE_COMPAT(m, PC_COMPAT_2_3);
500 DEFINE_I440FX_MACHINE(v2_3, "pc-i440fx-2.3", pc_compat_2_3,
501 pc_i440fx_2_3_machine_options);
504 static void pc_i440fx_2_2_machine_options(MachineClass *m)
506 pc_i440fx_2_3_machine_options(m);
507 SET_MACHINE_COMPAT(m, PC_COMPAT_2_2);
510 DEFINE_I440FX_MACHINE(v2_2, "pc-i440fx-2.2", pc_compat_2_2,
511 pc_i440fx_2_2_machine_options);
514 static void pc_i440fx_2_1_machine_options(MachineClass *m)
516 pc_i440fx_2_2_machine_options(m);
517 m->default_display = NULL;
518 SET_MACHINE_COMPAT(m, PC_COMPAT_2_1);
521 DEFINE_I440FX_MACHINE(v2_1, "pc-i440fx-2.1", pc_compat_2_1,
522 pc_i440fx_2_1_machine_options);
526 static void pc_i440fx_2_0_machine_options(MachineClass *m)
528 pc_i440fx_2_1_machine_options(m);
529 SET_MACHINE_COMPAT(m, PC_COMPAT_2_0);
532 DEFINE_I440FX_MACHINE(v2_0, "pc-i440fx-2.0", pc_compat_2_0,
533 pc_i440fx_2_0_machine_options);
536 static void pc_i440fx_1_7_machine_options(MachineClass *m)
538 pc_i440fx_2_0_machine_options(m);
539 m->default_machine_opts = NULL;
540 SET_MACHINE_COMPAT(m, PC_COMPAT_1_7);
543 DEFINE_I440FX_MACHINE(v1_7, "pc-i440fx-1.7", pc_compat_1_7,
544 pc_i440fx_1_7_machine_options);
547 static void pc_i440fx_1_6_machine_options(MachineClass *m)
549 pc_i440fx_1_7_machine_options(m);
550 SET_MACHINE_COMPAT(m, PC_COMPAT_1_6);
553 DEFINE_I440FX_MACHINE(v1_6, "pc-i440fx-1.6", pc_compat_1_6,
554 pc_i440fx_1_6_machine_options);
557 static void pc_i440fx_1_5_machine_options(MachineClass *m)
559 pc_i440fx_1_6_machine_options(m);
560 SET_MACHINE_COMPAT(m, PC_COMPAT_1_5);
563 DEFINE_I440FX_MACHINE(v1_5, "pc-i440fx-1.5", pc_compat_1_5,
564 pc_i440fx_1_5_machine_options);
567 static void pc_i440fx_1_4_machine_options(MachineClass *m)
569 pc_i440fx_1_5_machine_options(m);
570 m->hot_add_cpu = NULL;
571 SET_MACHINE_COMPAT(m, PC_COMPAT_1_4);
574 DEFINE_I440FX_MACHINE(v1_4, "pc-i440fx-1.4", pc_compat_1_4,
575 pc_i440fx_1_4_machine_options);
578 #define PC_COMPAT_1_3 \
581 .driver = "usb-tablet",\
582 .property = "usb_version",\
583 .value = stringify(1),\
585 .driver = "virtio-net-pci",\
586 .property = "ctrl_mac_addr",\
589 .driver = "virtio-net-pci", \
594 .property = "autonegotiation",\
599 static void pc_i440fx_1_3_machine_options(MachineClass *m)
601 pc_i440fx_1_4_machine_options(m);
602 SET_MACHINE_COMPAT(m, PC_COMPAT_1_3);
605 DEFINE_I440FX_MACHINE(v1_3, "pc-1.3", pc_compat_1_3,
606 pc_i440fx_1_3_machine_options);
609 #define PC_COMPAT_1_2 \
612 .driver = "nec-usb-xhci",\
616 .driver = "nec-usb-xhci",\
620 .driver = "ivshmem",\
621 .property = "use64",\
625 .property = "revision",\
626 .value = stringify(3),\
628 .driver = "qxl-vga",\
629 .property = "revision",\
630 .value = stringify(3),\
637 static void pc_i440fx_1_2_machine_options(MachineClass *m)
639 pc_i440fx_1_3_machine_options(m);
640 SET_MACHINE_COMPAT(m, PC_COMPAT_1_2);
643 DEFINE_I440FX_MACHINE(v1_2, "pc-1.2", pc_compat_1_2,
644 pc_i440fx_1_2_machine_options);
647 #define PC_COMPAT_1_1 \
650 .driver = "virtio-scsi-pci",\
651 .property = "hotplug",\
654 .driver = "virtio-scsi-pci",\
655 .property = "param_change",\
659 .property = "vgamem_mb",\
660 .value = stringify(8),\
662 .driver = "vmware-svga",\
663 .property = "vgamem_mb",\
664 .value = stringify(8),\
666 .driver = "qxl-vga",\
667 .property = "vgamem_mb",\
668 .value = stringify(8),\
671 .property = "vgamem_mb",\
672 .value = stringify(8),\
674 .driver = "virtio-blk-pci",\
675 .property = "config-wce",\
679 static void pc_i440fx_1_1_machine_options(MachineClass *m)
681 pc_i440fx_1_2_machine_options(m);
682 SET_MACHINE_COMPAT(m, PC_COMPAT_1_1);
685 DEFINE_I440FX_MACHINE(v1_1, "pc-1.1", pc_compat_1_2,
686 pc_i440fx_1_1_machine_options);
689 #define PC_COMPAT_1_0 \
692 .driver = TYPE_ISA_FDC,\
693 .property = "check_media_rate",\
696 .driver = "virtio-balloon-pci",\
697 .property = "class",\
698 .value = stringify(PCI_CLASS_MEMORY_RAM),\
700 .driver = "apic-common",\
701 .property = "vapic",\
704 .driver = TYPE_USB_DEVICE,\
705 .property = "full-path",\
709 static void pc_i440fx_1_0_machine_options(MachineClass *m)
711 pc_i440fx_1_1_machine_options(m);
712 m->hw_version = "1.0";
713 SET_MACHINE_COMPAT(m, PC_COMPAT_1_0);
716 DEFINE_I440FX_MACHINE(v1_0, "pc-1.0", pc_compat_1_2,
717 pc_i440fx_1_0_machine_options);
720 #define PC_COMPAT_0_15 \
723 static void pc_i440fx_0_15_machine_options(MachineClass *m)
725 pc_i440fx_1_0_machine_options(m);
726 m->hw_version = "0.15";
727 SET_MACHINE_COMPAT(m, PC_COMPAT_0_15);
730 DEFINE_I440FX_MACHINE(v0_15, "pc-0.15", pc_compat_1_2,
731 pc_i440fx_0_15_machine_options);
734 #define PC_COMPAT_0_14 \
737 .driver = "virtio-blk-pci",\
738 .property = "event_idx",\
741 .driver = "virtio-serial-pci",\
742 .property = "event_idx",\
745 .driver = "virtio-net-pci",\
746 .property = "event_idx",\
749 .driver = "virtio-balloon-pci",\
750 .property = "event_idx",\
754 .property = "revision",\
755 .value = stringify(2),\
757 .driver = "qxl-vga",\
758 .property = "revision",\
759 .value = stringify(2),\
762 static void pc_i440fx_0_14_machine_options(MachineClass *m)
764 pc_i440fx_0_15_machine_options(m);
765 m->hw_version = "0.14";
766 SET_MACHINE_COMPAT(m, PC_COMPAT_0_14);
769 DEFINE_I440FX_MACHINE(v0_14, "pc-0.14", pc_compat_1_2,
770 pc_i440fx_0_14_machine_options);
773 #define PC_COMPAT_0_13 \
776 .driver = TYPE_PCI_DEVICE,\
777 .property = "command_serr_enable",\
781 .property = "use_broken_id",\
782 .value = stringify(1),\
784 .driver = "virtio-9p-pci",\
785 .property = "vectors",\
786 .value = stringify(0),\
789 .property = "rombar",\
790 .value = stringify(0),\
792 .driver = "vmware-svga",\
793 .property = "rombar",\
794 .value = stringify(0),\
797 static void pc_i440fx_0_13_machine_options(MachineClass *m)
799 pc_i440fx_0_14_machine_options(m);
800 m->hw_version = "0.13";
801 SET_MACHINE_COMPAT(m, PC_COMPAT_0_13);
804 DEFINE_I440FX_MACHINE(v0_13, "pc-0.13", pc_compat_0_13,
805 pc_i440fx_0_13_machine_options);
808 #define PC_COMPAT_0_12 \
811 .driver = "virtio-serial-pci",\
812 .property = "max_ports",\
813 .value = stringify(1),\
815 .driver = "virtio-serial-pci",\
816 .property = "vectors",\
817 .value = stringify(0),\
819 .driver = "usb-mouse",\
820 .property = "serial",\
823 .driver = "usb-tablet",\
824 .property = "serial",\
827 .driver = "usb-kbd",\
828 .property = "serial",\
832 static void pc_i440fx_0_12_machine_options(MachineClass *m)
834 pc_i440fx_0_13_machine_options(m);
835 m->hw_version = "0.12";
836 SET_MACHINE_COMPAT(m, PC_COMPAT_0_12);
839 DEFINE_I440FX_MACHINE(v0_12, "pc-0.12", pc_compat_0_13,
840 pc_i440fx_0_12_machine_options);
843 #define PC_COMPAT_0_11 \
846 .driver = "virtio-blk-pci",\
847 .property = "vectors",\
848 .value = stringify(0),\
850 .driver = TYPE_PCI_DEVICE,\
851 .property = "rombar",\
852 .value = stringify(0),\
854 .driver = "ide-drive",\
858 .driver = "scsi-disk",\
863 static void pc_i440fx_0_11_machine_options(MachineClass *m)
865 pc_i440fx_0_12_machine_options(m);
866 m->hw_version = "0.11";
867 SET_MACHINE_COMPAT(m, PC_COMPAT_0_11);
870 DEFINE_I440FX_MACHINE(v0_11, "pc-0.11", pc_compat_0_13,
871 pc_i440fx_0_11_machine_options);
874 #define PC_COMPAT_0_10 \
877 .driver = "virtio-blk-pci",\
878 .property = "class",\
879 .value = stringify(PCI_CLASS_STORAGE_OTHER),\
881 .driver = "virtio-serial-pci",\
882 .property = "class",\
883 .value = stringify(PCI_CLASS_DISPLAY_OTHER),\
885 .driver = "virtio-net-pci",\
886 .property = "vectors",\
887 .value = stringify(0),\
889 .driver = "ide-drive",\
893 .driver = "scsi-disk",\
898 static void pc_i440fx_0_10_machine_options(MachineClass *m)
900 pc_i440fx_0_11_machine_options(m);
901 m->hw_version = "0.10";
902 SET_MACHINE_COMPAT(m, PC_COMPAT_0_10);
905 DEFINE_I440FX_MACHINE(v0_10, "pc-0.10", pc_compat_0_13,
906 pc_i440fx_0_10_machine_options);
909 uint16_t gpu_device_id;
910 uint16_t pch_device_id;
911 uint8_t pch_revision_id;
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.
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.
926 * So currently use one PCH version, 0x8c4e, to cover all HSW(Haswell)
927 * scenarios, 0x9cc3 for BDW(Broadwell).
929 static const IGDDeviceIDInfo igd_combo_id_infos[] = {
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 */
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 */
944 {0x0D26, 0x8c4e, 0x04}, /* HSWGT3CW, HSWM_w7 */
945 {0x0D22, 0x8c4e, 0x04}, /* HSWGT3CWDT, HSWD_w7 */
947 {0x041A, 0x8c4e, 0x04}, /* HSWSVGT2, HSWD_w7 */
949 {0x040A, 0x8c4e, 0x04}, /* HSWSVGT1, HSWD_w7 */
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 */
964 static void isa_bridge_class_init(ObjectClass *klass, void *data)
966 DeviceClass *dc = DEVICE_CLASS(klass);
967 PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
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;
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,
981 static void pt_graphics_register_types(void)
983 type_register_static(&isa_bridge_info);
985 type_init(pt_graphics_register_types)
987 void igd_passthrough_isa_bridge_create(PCIBus *bus, uint16_t gpu_dev_id)
989 struct PCIDevice *bridge_dev;
991 uint16_t pch_dev_id = 0xffff;
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;
1002 if (pch_dev_id == 0xffff) {
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");
1011 * Note that vendor id is always PCI_VENDOR_ID_INTEL.
1014 fprintf(stderr, "set igd-passthrough-isa-bridge failed!\n");
1017 pci_config_set_device_id(bridge_dev->config, pch_dev_id);
1018 pci_config_set_revision(bridge_dev->config, pch_rev_id);
1021 static void isapc_machine_options(MachineClass *m)
1023 m->desc = "ISA-only PC";
1027 DEFINE_PC_MACHINE(isapc, "isapc", pc_init_isa,
1028 isapc_machine_options);
1032 static void xenfv_machine_options(MachineClass *m)
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;
1040 DEFINE_PC_MACHINE(xenfv, "xenfv", pc_xen_hvm_init,
1041 xenfv_machine_options);