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
25 #include "qemu/osdep.h"
26 #include CONFIG_DEVICES
28 #include "qemu/units.h"
29 #include "hw/loader.h"
30 #include "hw/i386/x86.h"
31 #include "hw/i386/pc.h"
32 #include "hw/i386/apic.h"
33 #include "hw/pci-host/i440fx.h"
34 #include "hw/southbridge/piix.h"
35 #include "hw/display/ramfb.h"
36 #include "hw/firmware/smbios.h"
37 #include "hw/pci/pci.h"
38 #include "hw/pci/pci_ids.h"
41 #include "hw/ide/pci.h"
43 #include "sysemu/kvm.h"
44 #include "hw/kvm/clock.h"
45 #include "sysemu/sysemu.h"
46 #include "hw/sysbus.h"
47 #include "sysemu/arch_init.h"
48 #include "hw/i2c/smbus_eeprom.h"
49 #include "hw/xen/xen.h"
50 #include "exec/memory.h"
51 #include "exec/address-spaces.h"
52 #include "hw/acpi/acpi.h"
54 #include "qapi/error.h"
55 #include "qemu/error-report.h"
56 #include "sysemu/xen.h"
58 #include <xen/hvm/hvm_info_table.h>
59 #include "hw/xen/xen_pt.h"
61 #include "migration/global_state.h"
62 #include "migration/misc.h"
63 #include "sysemu/numa.h"
64 #include "hw/hyperv/vmbus-bridge.h"
65 #include "hw/mem/nvdimm.h"
66 #include "hw/i386/acpi-build.h"
71 static const int ide_iobase
[MAX_IDE_BUS
] = { 0x1f0, 0x170 };
72 static const int ide_iobase2
[MAX_IDE_BUS
] = { 0x3f6, 0x376 };
73 static const int ide_irq
[MAX_IDE_BUS
] = { 14, 15 };
76 /* PC hardware initialisation */
77 static void pc_init1(MachineState
*machine
,
78 const char *host_type
, const char *pci_type
)
80 PCMachineState
*pcms
= PC_MACHINE(machine
);
81 PCMachineClass
*pcmc
= PC_MACHINE_GET_CLASS(pcms
);
82 X86MachineState
*x86ms
= X86_MACHINE(machine
);
83 MemoryRegion
*system_memory
= get_system_memory();
84 MemoryRegion
*system_io
= get_system_io();
87 PCII440FXState
*i440fx_state
;
91 BusState
*idebus
[MAX_IDE_BUS
];
93 MemoryRegion
*ram_memory
;
94 MemoryRegion
*pci_memory
;
95 MemoryRegion
*rom_memory
;
99 * Calculate ram split, for memory below and above 4G. It's a bit
100 * complicated for backward compatibility reasons ...
102 * - Traditional split is 3.5G (lowmem = 0xe0000000). This is the
103 * default value for max_ram_below_4g now.
105 * - Then, to gigabyte align the memory, we move the split to 3G
106 * (lowmem = 0xc0000000). But only in case we have to split in
107 * the first place, i.e. ram_size is larger than (traditional)
108 * lowmem. And for new machine types (gigabyte_align = true)
109 * only, for live migration compatibility reasons.
111 * - Next the max-ram-below-4g option was added, which allowed to
112 * reduce lowmem to a smaller value, to allow a larger PCI I/O
113 * window below 4G. qemu doesn't enforce gigabyte alignment here,
114 * but prints a warning.
116 * - Finally max-ram-below-4g got updated to also allow raising lowmem,
117 * so legacy non-PAE guests can get as much memory as possible in
118 * the 32bit address space below 4G.
120 * - Note that Xen has its own ram setp code in xen_ram_init(),
121 * called via xen_hvm_init().
124 * qemu -M pc-1.7 -m 4G (old default) -> 3584M low, 512M high
125 * qemu -M pc -m 4G (new default) -> 3072M low, 1024M high
126 * qemu -M pc,max-ram-below-4g=2G -m 4G -> 2048M low, 2048M high
127 * qemu -M pc,max-ram-below-4g=4G -m 3968M -> 3968M low (=4G-128M)
130 xen_hvm_init(pcms
, &ram_memory
);
132 if (!pcms
->max_ram_below_4g
) {
133 pcms
->max_ram_below_4g
= 0xe0000000; /* default: 3.5G */
135 lowmem
= pcms
->max_ram_below_4g
;
136 if (machine
->ram_size
>= pcms
->max_ram_below_4g
) {
137 if (pcmc
->gigabyte_align
) {
138 if (lowmem
> 0xc0000000) {
141 if (lowmem
& (1 * GiB
- 1)) {
142 warn_report("Large machine and max_ram_below_4g "
143 "(%" PRIu64
") not a multiple of 1G; "
144 "possible bad performance.",
145 pcms
->max_ram_below_4g
);
150 if (machine
->ram_size
>= lowmem
) {
151 x86ms
->above_4g_mem_size
= machine
->ram_size
- lowmem
;
152 x86ms
->below_4g_mem_size
= lowmem
;
154 x86ms
->above_4g_mem_size
= 0;
155 x86ms
->below_4g_mem_size
= machine
->ram_size
;
159 x86_cpus_init(x86ms
, pcmc
->default_cpu_version
);
161 if (kvm_enabled() && pcmc
->kvmclock_enabled
) {
165 if (pcmc
->pci_enabled
) {
166 pci_memory
= g_new(MemoryRegion
, 1);
167 memory_region_init(pci_memory
, NULL
, "pci", UINT64_MAX
);
168 rom_memory
= pci_memory
;
171 rom_memory
= system_memory
;
174 pc_guest_info_init(pcms
);
176 if (pcmc
->smbios_defaults
) {
177 MachineClass
*mc
= MACHINE_GET_CLASS(machine
);
178 /* These values are guest ABI, do not change */
179 smbios_set_defaults("QEMU", "Standard PC (i440FX + PIIX, 1996)",
180 mc
->name
, pcmc
->smbios_legacy_mode
,
181 pcmc
->smbios_uuid_encoded
,
182 SMBIOS_ENTRY_POINT_21
);
185 /* allocate ram and load rom/bios */
186 if (!xen_enabled()) {
187 pc_memory_init(pcms
, system_memory
,
188 rom_memory
, &ram_memory
);
190 pc_system_flash_cleanup_unused(pcms
);
191 if (machine
->kernel_filename
!= NULL
) {
192 /* For xen HVM direct kernel boot, load linux here */
193 xen_load_linux(pcms
);
197 gsi_state
= pc_gsi_create(&x86ms
->gsi
, pcmc
->pci_enabled
);
199 if (pcmc
->pci_enabled
) {
202 pci_bus
= i440fx_init(host_type
,
205 system_memory
, system_io
, machine
->ram_size
,
206 x86ms
->below_4g_mem_size
,
207 x86ms
->above_4g_mem_size
,
208 pci_memory
, ram_memory
);
211 piix3
= piix3_create(pci_bus
, &isa_bus
);
212 piix3
->pic
= x86ms
->gsi
;
213 piix3_devfn
= piix3
->dev
.devfn
;
217 isa_bus
= isa_bus_new(NULL
, get_system_memory(), system_io
,
221 isa_bus_irqs(isa_bus
, x86ms
->gsi
);
223 pc_i8259_create(isa_bus
, gsi_state
->i8259_irq
);
225 if (pcmc
->pci_enabled
) {
226 ioapic_init_gsi(gsi_state
, "i440fx");
230 x86_register_ferr_irq(x86ms
->gsi
[13]);
233 pc_vga_init(isa_bus
, pcmc
->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(pcms
, isa_bus
, x86ms
->gsi
, &rtc_state
, true,
244 pc_nic_init(pcmc
, isa_bus
, pci_bus
);
246 if (pcmc
->pci_enabled
) {
249 dev
= pci_create_simple(pci_bus
, piix3_devfn
+ 1,
250 xen_enabled() ? "piix3-ide-xen" : "piix3-ide");
251 pci_ide_create_devs(dev
);
252 idebus
[0] = qdev_get_child_bus(&dev
->qdev
, "ide.0");
253 idebus
[1] = qdev_get_child_bus(&dev
->qdev
, "ide.1");
254 pc_cmos_init(pcms
, idebus
[0], idebus
[1], rtc_state
);
256 #ifdef CONFIG_IDE_ISA
258 DriveInfo
*hd
[MAX_IDE_BUS
* MAX_IDE_DEVS
];
261 ide_drive_get(hd
, ARRAY_SIZE(hd
));
262 for (i
= 0; i
< MAX_IDE_BUS
; i
++) {
264 char busname
[] = "ide.0";
265 dev
= isa_ide_init(isa_bus
, ide_iobase
[i
], ide_iobase2
[i
],
267 hd
[MAX_IDE_DEVS
* i
], hd
[MAX_IDE_DEVS
* i
+ 1]);
269 * The ide bus name is ide.0 for the first bus and ide.1 for the
272 busname
[4] = '0' + i
;
273 idebus
[i
] = qdev_get_child_bus(DEVICE(dev
), busname
);
275 pc_cmos_init(pcms
, idebus
[0], idebus
[1], rtc_state
);
279 if (pcmc
->pci_enabled
&& machine_usb(machine
)) {
280 pci_create_simple(pci_bus
, piix3_devfn
+ 2, "piix3-usb-uhci");
283 if (pcmc
->pci_enabled
&& x86_machine_is_acpi_enabled(X86_MACHINE(pcms
))) {
284 DeviceState
*piix4_pm
;
286 smi_irq
= qemu_allocate_irq(pc_acpi_smi_interrupt
, first_cpu
, 0);
287 /* TODO: Populate SPD eeprom data. */
288 pcms
->smbus
= piix4_pm_init(pci_bus
, piix3_devfn
+ 3, 0xb100,
289 x86ms
->gsi
[9], smi_irq
,
290 x86_machine_is_smm_enabled(x86ms
),
292 smbus_eeprom_init(pcms
->smbus
, 8, NULL
, 0);
294 object_property_add_link(OBJECT(machine
), PC_MACHINE_ACPI_DEVICE_PROP
,
295 TYPE_HOTPLUG_HANDLER
,
296 (Object
**)&x86ms
->acpi_dev
,
297 object_property_allow_set_link
,
298 OBJ_PROP_LINK_STRONG
);
299 object_property_set_link(OBJECT(machine
), PC_MACHINE_ACPI_DEVICE_PROP
,
300 OBJECT(piix4_pm
), &error_abort
);
303 if (machine
->nvdimms_state
->is_enabled
) {
304 nvdimm_init_acpi_state(machine
->nvdimms_state
, system_io
,
305 x86_nvdimm_acpi_dsmio
,
306 x86ms
->fw_cfg
, OBJECT(pcms
));
310 /* Looking for a pc_compat_2_4() function? It doesn't exist.
311 * pc_compat_*() functions that run on machine-init time and
312 * change global QEMU state are deprecated. Please don't create
313 * one, and implement any pc-*-2.4 (and newer) compat code in
314 * hw_compat_*, pc_compat_*, or * pc_*_machine_options().
317 static void pc_compat_2_3_fn(MachineState
*machine
)
319 X86MachineState
*x86ms
= X86_MACHINE(machine
);
321 x86ms
->smm
= ON_OFF_AUTO_OFF
;
325 static void pc_compat_2_2_fn(MachineState
*machine
)
327 pc_compat_2_3_fn(machine
);
330 static void pc_compat_2_1_fn(MachineState
*machine
)
332 pc_compat_2_2_fn(machine
);
333 x86_cpu_change_kvm_default("svm", NULL
);
336 static void pc_compat_2_0_fn(MachineState
*machine
)
338 pc_compat_2_1_fn(machine
);
341 static void pc_compat_1_7_fn(MachineState
*machine
)
343 pc_compat_2_0_fn(machine
);
344 x86_cpu_change_kvm_default("x2apic", NULL
);
347 static void pc_compat_1_6_fn(MachineState
*machine
)
349 pc_compat_1_7_fn(machine
);
352 static void pc_compat_1_5_fn(MachineState
*machine
)
354 pc_compat_1_6_fn(machine
);
357 static void pc_compat_1_4_fn(MachineState
*machine
)
359 pc_compat_1_5_fn(machine
);
362 static void pc_compat_1_3(MachineState
*machine
)
364 pc_compat_1_4_fn(machine
);
367 /* PC compat function for pc-1.0 to pc-1.2 */
368 static void pc_compat_1_2(MachineState
*machine
)
370 pc_compat_1_3(machine
);
371 x86_cpu_change_kvm_default("kvm-pv-eoi", NULL
);
374 static void pc_init_isa(MachineState
*machine
)
376 pc_init1(machine
, TYPE_I440FX_PCI_HOST_BRIDGE
, TYPE_I440FX_PCI_DEVICE
);
380 static void pc_xen_hvm_init_pci(MachineState
*machine
)
382 const char *pci_type
= xen_igd_gfx_pt_enabled() ?
383 TYPE_IGD_PASSTHROUGH_I440FX_PCI_DEVICE
: TYPE_I440FX_PCI_DEVICE
;
386 TYPE_I440FX_PCI_HOST_BRIDGE
,
390 static void pc_xen_hvm_init(MachineState
*machine
)
392 PCMachineState
*pcms
= PC_MACHINE(machine
);
394 if (!xen_enabled()) {
395 error_report("xenfv machine requires the xen accelerator");
399 pc_xen_hvm_init_pci(machine
);
400 pci_create_simple(pcms
->bus
, -1, "xen-platform");
404 #define DEFINE_I440FX_MACHINE(suffix, name, compatfn, optionfn) \
405 static void pc_init_##suffix(MachineState *machine) \
407 void (*compat)(MachineState *m) = (compatfn); \
411 pc_init1(machine, TYPE_I440FX_PCI_HOST_BRIDGE, \
412 TYPE_I440FX_PCI_DEVICE); \
414 DEFINE_PC_MACHINE(suffix, name, pc_init_##suffix, optionfn)
416 static void pc_i440fx_machine_options(MachineClass
*m
)
418 PCMachineClass
*pcmc
= PC_MACHINE_CLASS(m
);
419 pcmc
->default_nic_model
= "e1000";
421 m
->family
= "pc_piix";
422 m
->desc
= "Standard PC (i440FX + PIIX, 1996)";
423 m
->default_machine_opts
= "firmware=bios-256k.bin";
424 m
->default_display
= "std";
425 machine_class_allow_dynamic_sysbus_dev(m
, TYPE_RAMFB_DEVICE
);
426 machine_class_allow_dynamic_sysbus_dev(m
, TYPE_VMBUS_BRIDGE
);
429 static void pc_i440fx_5_2_machine_options(MachineClass
*m
)
431 PCMachineClass
*pcmc
= PC_MACHINE_CLASS(m
);
432 pc_i440fx_machine_options(m
);
434 m
->is_default
= true;
435 pcmc
->default_cpu_version
= 1;
438 DEFINE_I440FX_MACHINE(v5_2
, "pc-i440fx-5.2", NULL
,
439 pc_i440fx_5_2_machine_options
);
441 static void pc_i440fx_5_1_machine_options(MachineClass
*m
)
443 pc_i440fx_5_2_machine_options(m
);
445 m
->is_default
= false;
446 compat_props_add(m
->compat_props
, hw_compat_5_1
, hw_compat_5_1_len
);
447 compat_props_add(m
->compat_props
, pc_compat_5_1
, pc_compat_5_1_len
);
450 DEFINE_I440FX_MACHINE(v5_1
, "pc-i440fx-5.1", NULL
,
451 pc_i440fx_5_1_machine_options
);
453 static void pc_i440fx_5_0_machine_options(MachineClass
*m
)
455 pc_i440fx_5_1_machine_options(m
);
457 m
->is_default
= false;
458 m
->numa_mem_supported
= true;
459 compat_props_add(m
->compat_props
, hw_compat_5_0
, hw_compat_5_0_len
);
460 compat_props_add(m
->compat_props
, pc_compat_5_0
, pc_compat_5_0_len
);
461 m
->auto_enable_numa_with_memdev
= false;
464 DEFINE_I440FX_MACHINE(v5_0
, "pc-i440fx-5.0", NULL
,
465 pc_i440fx_5_0_machine_options
);
467 static void pc_i440fx_4_2_machine_options(MachineClass
*m
)
469 pc_i440fx_5_0_machine_options(m
);
471 m
->is_default
= false;
472 compat_props_add(m
->compat_props
, hw_compat_4_2
, hw_compat_4_2_len
);
473 compat_props_add(m
->compat_props
, pc_compat_4_2
, pc_compat_4_2_len
);
476 DEFINE_I440FX_MACHINE(v4_2
, "pc-i440fx-4.2", NULL
,
477 pc_i440fx_4_2_machine_options
);
479 static void pc_i440fx_4_1_machine_options(MachineClass
*m
)
481 pc_i440fx_4_2_machine_options(m
);
483 m
->is_default
= false;
484 compat_props_add(m
->compat_props
, hw_compat_4_1
, hw_compat_4_1_len
);
485 compat_props_add(m
->compat_props
, pc_compat_4_1
, pc_compat_4_1_len
);
488 DEFINE_I440FX_MACHINE(v4_1
, "pc-i440fx-4.1", NULL
,
489 pc_i440fx_4_1_machine_options
);
491 static void pc_i440fx_4_0_machine_options(MachineClass
*m
)
493 PCMachineClass
*pcmc
= PC_MACHINE_CLASS(m
);
494 pc_i440fx_4_1_machine_options(m
);
496 m
->is_default
= false;
497 pcmc
->default_cpu_version
= CPU_VERSION_LEGACY
;
498 compat_props_add(m
->compat_props
, hw_compat_4_0
, hw_compat_4_0_len
);
499 compat_props_add(m
->compat_props
, pc_compat_4_0
, pc_compat_4_0_len
);
502 DEFINE_I440FX_MACHINE(v4_0
, "pc-i440fx-4.0", NULL
,
503 pc_i440fx_4_0_machine_options
);
505 static void pc_i440fx_3_1_machine_options(MachineClass
*m
)
507 PCMachineClass
*pcmc
= PC_MACHINE_CLASS(m
);
509 pc_i440fx_4_0_machine_options(m
);
510 m
->is_default
= false;
511 pcmc
->do_not_add_smb_acpi
= true;
512 m
->smbus_no_migration_support
= true;
514 pcmc
->pvh_enabled
= false;
515 compat_props_add(m
->compat_props
, hw_compat_3_1
, hw_compat_3_1_len
);
516 compat_props_add(m
->compat_props
, pc_compat_3_1
, pc_compat_3_1_len
);
519 DEFINE_I440FX_MACHINE(v3_1
, "pc-i440fx-3.1", NULL
,
520 pc_i440fx_3_1_machine_options
);
522 static void pc_i440fx_3_0_machine_options(MachineClass
*m
)
524 pc_i440fx_3_1_machine_options(m
);
525 compat_props_add(m
->compat_props
, hw_compat_3_0
, hw_compat_3_0_len
);
526 compat_props_add(m
->compat_props
, pc_compat_3_0
, pc_compat_3_0_len
);
529 DEFINE_I440FX_MACHINE(v3_0
, "pc-i440fx-3.0", NULL
,
530 pc_i440fx_3_0_machine_options
);
532 static void pc_i440fx_2_12_machine_options(MachineClass
*m
)
534 pc_i440fx_3_0_machine_options(m
);
535 compat_props_add(m
->compat_props
, hw_compat_2_12
, hw_compat_2_12_len
);
536 compat_props_add(m
->compat_props
, pc_compat_2_12
, pc_compat_2_12_len
);
539 DEFINE_I440FX_MACHINE(v2_12
, "pc-i440fx-2.12", NULL
,
540 pc_i440fx_2_12_machine_options
);
542 static void pc_i440fx_2_11_machine_options(MachineClass
*m
)
544 pc_i440fx_2_12_machine_options(m
);
545 compat_props_add(m
->compat_props
, hw_compat_2_11
, hw_compat_2_11_len
);
546 compat_props_add(m
->compat_props
, pc_compat_2_11
, pc_compat_2_11_len
);
549 DEFINE_I440FX_MACHINE(v2_11
, "pc-i440fx-2.11", NULL
,
550 pc_i440fx_2_11_machine_options
);
552 static void pc_i440fx_2_10_machine_options(MachineClass
*m
)
554 pc_i440fx_2_11_machine_options(m
);
555 compat_props_add(m
->compat_props
, hw_compat_2_10
, hw_compat_2_10_len
);
556 compat_props_add(m
->compat_props
, pc_compat_2_10
, pc_compat_2_10_len
);
557 m
->auto_enable_numa_with_memhp
= false;
560 DEFINE_I440FX_MACHINE(v2_10
, "pc-i440fx-2.10", NULL
,
561 pc_i440fx_2_10_machine_options
);
563 static void pc_i440fx_2_9_machine_options(MachineClass
*m
)
565 pc_i440fx_2_10_machine_options(m
);
566 compat_props_add(m
->compat_props
, hw_compat_2_9
, hw_compat_2_9_len
);
567 compat_props_add(m
->compat_props
, pc_compat_2_9
, pc_compat_2_9_len
);
568 m
->numa_auto_assign_ram
= numa_legacy_auto_assign_ram
;
571 DEFINE_I440FX_MACHINE(v2_9
, "pc-i440fx-2.9", NULL
,
572 pc_i440fx_2_9_machine_options
);
574 static void pc_i440fx_2_8_machine_options(MachineClass
*m
)
576 pc_i440fx_2_9_machine_options(m
);
577 compat_props_add(m
->compat_props
, hw_compat_2_8
, hw_compat_2_8_len
);
578 compat_props_add(m
->compat_props
, pc_compat_2_8
, pc_compat_2_8_len
);
581 DEFINE_I440FX_MACHINE(v2_8
, "pc-i440fx-2.8", NULL
,
582 pc_i440fx_2_8_machine_options
);
584 static void pc_i440fx_2_7_machine_options(MachineClass
*m
)
586 pc_i440fx_2_8_machine_options(m
);
587 compat_props_add(m
->compat_props
, hw_compat_2_7
, hw_compat_2_7_len
);
588 compat_props_add(m
->compat_props
, pc_compat_2_7
, pc_compat_2_7_len
);
591 DEFINE_I440FX_MACHINE(v2_7
, "pc-i440fx-2.7", NULL
,
592 pc_i440fx_2_7_machine_options
);
594 static void pc_i440fx_2_6_machine_options(MachineClass
*m
)
596 PCMachineClass
*pcmc
= PC_MACHINE_CLASS(m
);
598 pc_i440fx_2_7_machine_options(m
);
599 pcmc
->legacy_cpu_hotplug
= true;
600 pcmc
->linuxboot_dma_enabled
= false;
601 compat_props_add(m
->compat_props
, hw_compat_2_6
, hw_compat_2_6_len
);
602 compat_props_add(m
->compat_props
, pc_compat_2_6
, pc_compat_2_6_len
);
605 DEFINE_I440FX_MACHINE(v2_6
, "pc-i440fx-2.6", NULL
,
606 pc_i440fx_2_6_machine_options
);
608 static void pc_i440fx_2_5_machine_options(MachineClass
*m
)
610 X86MachineClass
*x86mc
= X86_MACHINE_CLASS(m
);
612 pc_i440fx_2_6_machine_options(m
);
613 x86mc
->save_tsc_khz
= false;
614 m
->legacy_fw_cfg_order
= 1;
615 compat_props_add(m
->compat_props
, hw_compat_2_5
, hw_compat_2_5_len
);
616 compat_props_add(m
->compat_props
, pc_compat_2_5
, pc_compat_2_5_len
);
619 DEFINE_I440FX_MACHINE(v2_5
, "pc-i440fx-2.5", NULL
,
620 pc_i440fx_2_5_machine_options
);
622 static void pc_i440fx_2_4_machine_options(MachineClass
*m
)
624 PCMachineClass
*pcmc
= PC_MACHINE_CLASS(m
);
626 pc_i440fx_2_5_machine_options(m
);
627 m
->hw_version
= "2.4.0";
628 pcmc
->broken_reserved_end
= true;
629 compat_props_add(m
->compat_props
, hw_compat_2_4
, hw_compat_2_4_len
);
630 compat_props_add(m
->compat_props
, pc_compat_2_4
, pc_compat_2_4_len
);
633 DEFINE_I440FX_MACHINE(v2_4
, "pc-i440fx-2.4", NULL
,
634 pc_i440fx_2_4_machine_options
)
636 static void pc_i440fx_2_3_machine_options(MachineClass
*m
)
638 pc_i440fx_2_4_machine_options(m
);
639 m
->hw_version
= "2.3.0";
640 compat_props_add(m
->compat_props
, hw_compat_2_3
, hw_compat_2_3_len
);
641 compat_props_add(m
->compat_props
, pc_compat_2_3
, pc_compat_2_3_len
);
644 DEFINE_I440FX_MACHINE(v2_3
, "pc-i440fx-2.3", pc_compat_2_3_fn
,
645 pc_i440fx_2_3_machine_options
);
647 static void pc_i440fx_2_2_machine_options(MachineClass
*m
)
649 PCMachineClass
*pcmc
= PC_MACHINE_CLASS(m
);
651 pc_i440fx_2_3_machine_options(m
);
652 m
->hw_version
= "2.2.0";
653 m
->default_machine_opts
= "firmware=bios-256k.bin,suppress-vmdesc=on";
654 compat_props_add(m
->compat_props
, hw_compat_2_2
, hw_compat_2_2_len
);
655 compat_props_add(m
->compat_props
, pc_compat_2_2
, pc_compat_2_2_len
);
656 pcmc
->rsdp_in_ram
= false;
659 DEFINE_I440FX_MACHINE(v2_2
, "pc-i440fx-2.2", pc_compat_2_2_fn
,
660 pc_i440fx_2_2_machine_options
);
662 static void pc_i440fx_2_1_machine_options(MachineClass
*m
)
664 PCMachineClass
*pcmc
= PC_MACHINE_CLASS(m
);
666 pc_i440fx_2_2_machine_options(m
);
667 m
->hw_version
= "2.1.0";
668 m
->default_display
= NULL
;
669 compat_props_add(m
->compat_props
, hw_compat_2_1
, hw_compat_2_1_len
);
670 compat_props_add(m
->compat_props
, pc_compat_2_1
, pc_compat_2_1_len
);
671 pcmc
->smbios_uuid_encoded
= false;
672 pcmc
->enforce_aligned_dimm
= false;
675 DEFINE_I440FX_MACHINE(v2_1
, "pc-i440fx-2.1", pc_compat_2_1_fn
,
676 pc_i440fx_2_1_machine_options
);
678 static void pc_i440fx_2_0_machine_options(MachineClass
*m
)
680 PCMachineClass
*pcmc
= PC_MACHINE_CLASS(m
);
682 pc_i440fx_2_1_machine_options(m
);
683 m
->hw_version
= "2.0.0";
684 compat_props_add(m
->compat_props
, pc_compat_2_0
, pc_compat_2_0_len
);
685 pcmc
->smbios_legacy_mode
= true;
686 pcmc
->has_reserved_memory
= false;
687 /* This value depends on the actual DSDT and SSDT compiled into
688 * the source QEMU; unfortunately it depends on the binary and
689 * not on the machine type, so we cannot make pc-i440fx-1.7 work on
690 * both QEMU 1.7 and QEMU 2.0.
692 * Large variations cause migration to fail for more than one
693 * consecutive value of the "-smp" maxcpus option.
695 * For small variations of the kind caused by different iasl versions,
696 * the 4k rounding usually leaves slack. However, there could be still
697 * one or two values that break. For QEMU 1.7 and QEMU 2.0 the
698 * slack is only ~10 bytes before one "-smp maxcpus" value breaks!
700 * 6652 is valid for QEMU 2.0, the right value for pc-i440fx-1.7 on
701 * QEMU 1.7 it is 6414. For RHEL/CentOS 7.0 it is 6418.
703 pcmc
->legacy_acpi_table_size
= 6652;
704 pcmc
->acpi_data_size
= 0x10000;
707 DEFINE_I440FX_MACHINE(v2_0
, "pc-i440fx-2.0", pc_compat_2_0_fn
,
708 pc_i440fx_2_0_machine_options
);
710 static void pc_i440fx_1_7_machine_options(MachineClass
*m
)
712 PCMachineClass
*pcmc
= PC_MACHINE_CLASS(m
);
714 pc_i440fx_2_0_machine_options(m
);
715 m
->hw_version
= "1.7.0";
716 m
->default_machine_opts
= NULL
;
717 m
->option_rom_has_mr
= true;
718 compat_props_add(m
->compat_props
, pc_compat_1_7
, pc_compat_1_7_len
);
719 pcmc
->smbios_defaults
= false;
720 pcmc
->gigabyte_align
= false;
721 pcmc
->legacy_acpi_table_size
= 6414;
724 DEFINE_I440FX_MACHINE(v1_7
, "pc-i440fx-1.7", pc_compat_1_7_fn
,
725 pc_i440fx_1_7_machine_options
);
727 static void pc_i440fx_1_6_machine_options(MachineClass
*m
)
729 PCMachineClass
*pcmc
= PC_MACHINE_CLASS(m
);
731 pc_i440fx_1_7_machine_options(m
);
732 m
->hw_version
= "1.6.0";
733 m
->rom_file_has_mr
= false;
734 compat_props_add(m
->compat_props
, pc_compat_1_6
, pc_compat_1_6_len
);
735 pcmc
->has_acpi_build
= false;
738 DEFINE_I440FX_MACHINE(v1_6
, "pc-i440fx-1.6", pc_compat_1_6_fn
,
739 pc_i440fx_1_6_machine_options
);
741 static void pc_i440fx_1_5_machine_options(MachineClass
*m
)
743 pc_i440fx_1_6_machine_options(m
);
744 m
->hw_version
= "1.5.0";
745 compat_props_add(m
->compat_props
, pc_compat_1_5
, pc_compat_1_5_len
);
748 DEFINE_I440FX_MACHINE(v1_5
, "pc-i440fx-1.5", pc_compat_1_5_fn
,
749 pc_i440fx_1_5_machine_options
);
751 static void pc_i440fx_1_4_machine_options(MachineClass
*m
)
753 pc_i440fx_1_5_machine_options(m
);
754 m
->hw_version
= "1.4.0";
755 m
->hot_add_cpu
= NULL
;
756 compat_props_add(m
->compat_props
, pc_compat_1_4
, pc_compat_1_4_len
);
759 DEFINE_I440FX_MACHINE(v1_4
, "pc-i440fx-1.4", pc_compat_1_4_fn
,
760 pc_i440fx_1_4_machine_options
);
762 static void pc_i440fx_1_3_machine_options(MachineClass
*m
)
764 X86MachineClass
*x86mc
= X86_MACHINE_CLASS(m
);
765 static GlobalProperty compat
[] = {
766 PC_CPU_MODEL_IDS("1.3.0")
767 { "usb-tablet", "usb_version", "1" },
768 { "virtio-net-pci", "ctrl_mac_addr", "off" },
769 { "virtio-net-pci", "mq", "off" },
770 { "e1000", "autonegotiation", "off" },
773 pc_i440fx_1_4_machine_options(m
);
774 m
->hw_version
= "1.3.0";
775 m
->deprecation_reason
= "use a newer machine type instead";
776 x86mc
->compat_apic_id_mode
= true;
777 compat_props_add(m
->compat_props
, compat
, G_N_ELEMENTS(compat
));
780 DEFINE_I440FX_MACHINE(v1_3
, "pc-1.3", pc_compat_1_3
,
781 pc_i440fx_1_3_machine_options
);
784 static void pc_i440fx_1_2_machine_options(MachineClass
*m
)
786 static GlobalProperty compat
[] = {
787 PC_CPU_MODEL_IDS("1.2.0")
788 { "nec-usb-xhci", "msi", "off" },
789 { "nec-usb-xhci", "msix", "off" },
790 { "qxl", "revision", "3" },
791 { "qxl-vga", "revision", "3" },
792 { "VGA", "mmio", "off" },
795 pc_i440fx_1_3_machine_options(m
);
796 m
->hw_version
= "1.2.0";
797 compat_props_add(m
->compat_props
, compat
, G_N_ELEMENTS(compat
));
800 DEFINE_I440FX_MACHINE(v1_2
, "pc-1.2", pc_compat_1_2
,
801 pc_i440fx_1_2_machine_options
);
804 static void pc_i440fx_1_1_machine_options(MachineClass
*m
)
806 static GlobalProperty compat
[] = {
807 PC_CPU_MODEL_IDS("1.1.0")
808 { "virtio-scsi-pci", "hotplug", "off" },
809 { "virtio-scsi-pci", "param_change", "off" },
810 { "VGA", "vgamem_mb", "8" },
811 { "vmware-svga", "vgamem_mb", "8" },
812 { "qxl-vga", "vgamem_mb", "8" },
813 { "qxl", "vgamem_mb", "8" },
814 { "virtio-blk-pci", "config-wce", "off" },
817 pc_i440fx_1_2_machine_options(m
);
818 m
->hw_version
= "1.1.0";
819 compat_props_add(m
->compat_props
, compat
, G_N_ELEMENTS(compat
));
822 DEFINE_I440FX_MACHINE(v1_1
, "pc-1.1", pc_compat_1_2
,
823 pc_i440fx_1_1_machine_options
);
825 static void pc_i440fx_1_0_machine_options(MachineClass
*m
)
827 static GlobalProperty compat
[] = {
828 PC_CPU_MODEL_IDS("1.0")
829 { TYPE_ISA_FDC
, "check_media_rate", "off" },
830 { "virtio-balloon-pci", "class", stringify(PCI_CLASS_MEMORY_RAM
) },
831 { "apic-common", "vapic", "off" },
832 { TYPE_USB_DEVICE
, "full-path", "no" },
835 pc_i440fx_1_1_machine_options(m
);
836 m
->hw_version
= "1.0";
837 compat_props_add(m
->compat_props
, compat
, G_N_ELEMENTS(compat
));
840 DEFINE_I440FX_MACHINE(v1_0
, "pc-1.0", pc_compat_1_2
,
841 pc_i440fx_1_0_machine_options
);
845 uint16_t gpu_device_id
;
846 uint16_t pch_device_id
;
847 uint8_t pch_revision_id
;
850 /* In real world different GPU should have different PCH. But actually
851 * the different PCH DIDs likely map to different PCH SKUs. We do the
852 * same thing for the GPU. For PCH, the different SKUs are going to be
853 * all the same silicon design and implementation, just different
854 * features turn on and off with fuses. The SW interfaces should be
855 * consistent across all SKUs in a given family (eg LPT). But just same
856 * features may not be supported.
858 * Most of these different PCH features probably don't matter to the
859 * Gfx driver, but obviously any difference in display port connections
860 * will so it should be fine with any PCH in case of passthrough.
862 * So currently use one PCH version, 0x8c4e, to cover all HSW(Haswell)
863 * scenarios, 0x9cc3 for BDW(Broadwell).
865 static const IGDDeviceIDInfo igd_combo_id_infos
[] = {
867 {0x0402, 0x8c4e, 0x04}, /* HSWGT1D, HSWD_w7 */
868 {0x0406, 0x8c4e, 0x04}, /* HSWGT1M, HSWM_w7 */
869 {0x0412, 0x8c4e, 0x04}, /* HSWGT2D, HSWD_w7 */
870 {0x0416, 0x8c4e, 0x04}, /* HSWGT2M, HSWM_w7 */
871 {0x041E, 0x8c4e, 0x04}, /* HSWGT15D, HSWD_w7 */
873 {0x0A06, 0x8c4e, 0x04}, /* HSWGT1UT, HSWM_w7 */
874 {0x0A16, 0x8c4e, 0x04}, /* HSWGT2UT, HSWM_w7 */
875 {0x0A26, 0x8c4e, 0x06}, /* HSWGT3UT, HSWM_w7 */
876 {0x0A2E, 0x8c4e, 0x04}, /* HSWGT3UT28W, HSWM_w7 */
877 {0x0A1E, 0x8c4e, 0x04}, /* HSWGT2UX, HSWM_w7 */
878 {0x0A0E, 0x8c4e, 0x04}, /* HSWGT1ULX, HSWM_w7 */
880 {0x0D26, 0x8c4e, 0x04}, /* HSWGT3CW, HSWM_w7 */
881 {0x0D22, 0x8c4e, 0x04}, /* HSWGT3CWDT, HSWD_w7 */
883 {0x041A, 0x8c4e, 0x04}, /* HSWSVGT2, HSWD_w7 */
885 {0x040A, 0x8c4e, 0x04}, /* HSWSVGT1, HSWD_w7 */
887 {0x1606, 0x9cc3, 0x03}, /* BDWULTGT1, BDWM_w7 */
888 {0x1616, 0x9cc3, 0x03}, /* BDWULTGT2, BDWM_w7 */
889 {0x1626, 0x9cc3, 0x03}, /* BDWULTGT3, BDWM_w7 */
890 {0x160E, 0x9cc3, 0x03}, /* BDWULXGT1, BDWM_w7 */
891 {0x161E, 0x9cc3, 0x03}, /* BDWULXGT2, BDWM_w7 */
892 {0x1602, 0x9cc3, 0x03}, /* BDWHALOGT1, BDWM_w7 */
893 {0x1612, 0x9cc3, 0x03}, /* BDWHALOGT2, BDWM_w7 */
894 {0x1622, 0x9cc3, 0x03}, /* BDWHALOGT3, BDWM_w7 */
895 {0x162B, 0x9cc3, 0x03}, /* BDWHALO28W, BDWM_w7 */
896 {0x162A, 0x9cc3, 0x03}, /* BDWGT3WRKS, BDWM_w7 */
897 {0x162D, 0x9cc3, 0x03}, /* BDWGT3SRVR, BDWM_w7 */
900 static void isa_bridge_class_init(ObjectClass
*klass
, void *data
)
902 DeviceClass
*dc
= DEVICE_CLASS(klass
);
903 PCIDeviceClass
*k
= PCI_DEVICE_CLASS(klass
);
905 dc
->desc
= "ISA bridge faked to support IGD PT";
906 set_bit(DEVICE_CATEGORY_BRIDGE
, dc
->categories
);
907 k
->vendor_id
= PCI_VENDOR_ID_INTEL
;
908 k
->class_id
= PCI_CLASS_BRIDGE_ISA
;
911 static TypeInfo isa_bridge_info
= {
912 .name
= "igd-passthrough-isa-bridge",
913 .parent
= TYPE_PCI_DEVICE
,
914 .instance_size
= sizeof(PCIDevice
),
915 .class_init
= isa_bridge_class_init
,
916 .interfaces
= (InterfaceInfo
[]) {
917 { INTERFACE_CONVENTIONAL_PCI_DEVICE
},
922 static void pt_graphics_register_types(void)
924 type_register_static(&isa_bridge_info
);
926 type_init(pt_graphics_register_types
)
928 void igd_passthrough_isa_bridge_create(PCIBus
*bus
, uint16_t gpu_dev_id
)
930 struct PCIDevice
*bridge_dev
;
932 uint16_t pch_dev_id
= 0xffff;
933 uint8_t pch_rev_id
= 0;
935 num
= ARRAY_SIZE(igd_combo_id_infos
);
936 for (i
= 0; i
< num
; i
++) {
937 if (gpu_dev_id
== igd_combo_id_infos
[i
].gpu_device_id
) {
938 pch_dev_id
= igd_combo_id_infos
[i
].pch_device_id
;
939 pch_rev_id
= igd_combo_id_infos
[i
].pch_revision_id
;
943 if (pch_dev_id
== 0xffff) {
947 /* Currently IGD drivers always need to access PCH by 1f.0. */
948 bridge_dev
= pci_create_simple(bus
, PCI_DEVFN(0x1f, 0),
949 "igd-passthrough-isa-bridge");
952 * Note that vendor id is always PCI_VENDOR_ID_INTEL.
955 fprintf(stderr
, "set igd-passthrough-isa-bridge failed!\n");
958 pci_config_set_device_id(bridge_dev
->config
, pch_dev_id
);
959 pci_config_set_revision(bridge_dev
->config
, pch_rev_id
);
962 static void isapc_machine_options(MachineClass
*m
)
964 PCMachineClass
*pcmc
= PC_MACHINE_CLASS(m
);
965 m
->desc
= "ISA-only PC";
967 m
->option_rom_has_mr
= true;
968 m
->rom_file_has_mr
= false;
969 pcmc
->pci_enabled
= false;
970 pcmc
->has_acpi_build
= false;
971 pcmc
->smbios_defaults
= false;
972 pcmc
->gigabyte_align
= false;
973 pcmc
->smbios_legacy_mode
= true;
974 pcmc
->has_reserved_memory
= false;
975 pcmc
->default_nic_model
= "ne2k_isa";
976 m
->default_cpu_type
= X86_CPU_TYPE_NAME("486");
979 DEFINE_PC_MACHINE(isapc
, "isapc", pc_init_isa
,
980 isapc_machine_options
);
984 static void xenfv_4_2_machine_options(MachineClass
*m
)
986 pc_i440fx_4_2_machine_options(m
);
987 m
->desc
= "Xen Fully-virtualized PC";
988 m
->max_cpus
= HVM_MAX_VCPUS
;
989 m
->default_machine_opts
= "accel=xen";
992 DEFINE_PC_MACHINE(xenfv_4_2
, "xenfv-4.2", pc_xen_hvm_init
,
993 xenfv_4_2_machine_options
);
995 static void xenfv_3_1_machine_options(MachineClass
*m
)
997 pc_i440fx_3_1_machine_options(m
);
998 m
->desc
= "Xen Fully-virtualized PC";
1000 m
->max_cpus
= HVM_MAX_VCPUS
;
1001 m
->default_machine_opts
= "accel=xen";
1004 DEFINE_PC_MACHINE(xenfv
, "xenfv-3.1", pc_xen_hvm_init
,
1005 xenfv_3_1_machine_options
);