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.h"
28 #include "qemu/units.h"
30 #include "hw/loader.h"
31 #include "hw/i386/pc.h"
32 #include "hw/i386/apic.h"
33 #include "hw/display/ramfb.h"
34 #include "hw/firmware/smbios.h"
35 #include "hw/pci/pci.h"
36 #include "hw/pci/pci_ids.h"
39 #include "hw/boards.h"
42 #include "sysemu/kvm.h"
43 #include "hw/kvm/clock.h"
44 #include "sysemu/sysemu.h"
45 #include "hw/sysbus.h"
46 #include "sysemu/arch_init.h"
47 #include "hw/i2c/smbus_eeprom.h"
48 #include "hw/xen/xen.h"
49 #include "exec/memory.h"
50 #include "exec/address-spaces.h"
51 #include "hw/acpi/acpi.h"
53 #include "qapi/error.h"
54 #include "qemu/error-report.h"
56 #include <xen/hvm/hvm_info_table.h>
57 #include "hw/xen/xen_pt.h"
59 #include "migration/global_state.h"
60 #include "migration/misc.h"
62 #include "sysemu/numa.h"
67 static const int ide_iobase
[MAX_IDE_BUS
] = { 0x1f0, 0x170 };
68 static const int ide_iobase2
[MAX_IDE_BUS
] = { 0x3f6, 0x376 };
69 static const int ide_irq
[MAX_IDE_BUS
] = { 14, 15 };
72 /* PC hardware initialisation */
73 static void pc_init1(MachineState
*machine
,
74 const char *host_type
, const char *pci_type
)
76 PCMachineState
*pcms
= PC_MACHINE(machine
);
77 PCMachineClass
*pcmc
= PC_MACHINE_GET_CLASS(pcms
);
78 MemoryRegion
*system_memory
= get_system_memory();
79 MemoryRegion
*system_io
= get_system_io();
83 PCII440FXState
*i440fx_state
;
88 DriveInfo
*hd
[MAX_IDE_BUS
* MAX_IDE_DEVS
];
89 BusState
*idebus
[MAX_IDE_BUS
];
91 MemoryRegion
*ram_memory
;
92 MemoryRegion
*pci_memory
;
93 MemoryRegion
*rom_memory
;
97 * Calculate ram split, for memory below and above 4G. It's a bit
98 * complicated for backward compatibility reasons ...
100 * - Traditional split is 3.5G (lowmem = 0xe0000000). This is the
101 * default value for max_ram_below_4g now.
103 * - Then, to gigabyte align the memory, we move the split to 3G
104 * (lowmem = 0xc0000000). But only in case we have to split in
105 * the first place, i.e. ram_size is larger than (traditional)
106 * lowmem. And for new machine types (gigabyte_align = true)
107 * only, for live migration compatibility reasons.
109 * - Next the max-ram-below-4g option was added, which allowed to
110 * reduce lowmem to a smaller value, to allow a larger PCI I/O
111 * window below 4G. qemu doesn't enforce gigabyte alignment here,
112 * but prints a warning.
114 * - Finally max-ram-below-4g got updated to also allow raising lowmem,
115 * so legacy non-PAE guests can get as much memory as possible in
116 * the 32bit address space below 4G.
118 * - Note that Xen has its own ram setp code in xen_ram_init(),
119 * called via xen_hvm_init().
122 * qemu -M pc-1.7 -m 4G (old default) -> 3584M low, 512M high
123 * qemu -M pc -m 4G (new default) -> 3072M low, 1024M high
124 * qemu -M pc,max-ram-below-4g=2G -m 4G -> 2048M low, 2048M high
125 * qemu -M pc,max-ram-below-4g=4G -m 3968M -> 3968M low (=4G-128M)
128 xen_hvm_init(pcms
, &ram_memory
);
130 if (!pcms
->max_ram_below_4g
) {
131 pcms
->max_ram_below_4g
= 0xe0000000; /* default: 3.5G */
133 lowmem
= pcms
->max_ram_below_4g
;
134 if (machine
->ram_size
>= pcms
->max_ram_below_4g
) {
135 if (pcmc
->gigabyte_align
) {
136 if (lowmem
> 0xc0000000) {
139 if (lowmem
& (1 * GiB
- 1)) {
140 warn_report("Large machine and max_ram_below_4g "
141 "(%" PRIu64
") not a multiple of 1G; "
142 "possible bad performance.",
143 pcms
->max_ram_below_4g
);
148 if (machine
->ram_size
>= lowmem
) {
149 pcms
->above_4g_mem_size
= machine
->ram_size
- lowmem
;
150 pcms
->below_4g_mem_size
= lowmem
;
152 pcms
->above_4g_mem_size
= 0;
153 pcms
->below_4g_mem_size
= machine
->ram_size
;
159 if (kvm_enabled() && pcmc
->kvmclock_enabled
) {
163 if (pcmc
->pci_enabled
) {
164 pci_memory
= g_new(MemoryRegion
, 1);
165 memory_region_init(pci_memory
, NULL
, "pci", UINT64_MAX
);
166 rom_memory
= pci_memory
;
169 rom_memory
= system_memory
;
172 pc_guest_info_init(pcms
);
174 if (pcmc
->smbios_defaults
) {
175 MachineClass
*mc
= MACHINE_GET_CLASS(machine
);
176 /* These values are guest ABI, do not change */
177 smbios_set_defaults("QEMU", "Standard PC (i440FX + PIIX, 1996)",
178 mc
->name
, pcmc
->smbios_legacy_mode
,
179 pcmc
->smbios_uuid_encoded
,
180 SMBIOS_ENTRY_POINT_21
);
183 /* allocate ram and load rom/bios */
184 if (!xen_enabled()) {
185 pc_memory_init(pcms
, system_memory
,
186 rom_memory
, &ram_memory
);
187 } else if (machine
->kernel_filename
!= NULL
) {
188 /* For xen HVM direct kernel boot, load linux here */
189 xen_load_linux(pcms
);
192 gsi_state
= g_malloc0(sizeof(*gsi_state
));
193 if (kvm_ioapic_in_kernel()) {
194 kvm_pc_setup_irq_routing(pcmc
->pci_enabled
);
195 pcms
->gsi
= qemu_allocate_irqs(kvm_pc_gsi_handler
, gsi_state
,
198 pcms
->gsi
= qemu_allocate_irqs(gsi_handler
, gsi_state
, GSI_NUM_PINS
);
201 if (pcmc
->pci_enabled
) {
202 pci_bus
= i440fx_init(host_type
,
204 &i440fx_state
, &piix3_devfn
, &isa_bus
, pcms
->gsi
,
205 system_memory
, system_io
, machine
->ram_size
,
206 pcms
->below_4g_mem_size
,
207 pcms
->above_4g_mem_size
,
208 pci_memory
, ram_memory
);
213 isa_bus
= isa_bus_new(NULL
, get_system_memory(), system_io
,
217 isa_bus_irqs(isa_bus
, pcms
->gsi
);
219 if (kvm_pic_in_kernel()) {
220 i8259
= kvm_i8259_init(isa_bus
);
221 } else if (xen_enabled()) {
222 i8259
= xen_interrupt_controller_init();
224 i8259
= i8259_init(isa_bus
, pc_allocate_cpu_irq());
227 for (i
= 0; i
< ISA_NUM_IRQS
; i
++) {
228 gsi_state
->i8259_irq
[i
] = i8259
[i
];
231 if (pcmc
->pci_enabled
) {
232 ioapic_init_gsi(gsi_state
, "i440fx");
235 pc_register_ferr_irq(pcms
->gsi
[13]);
237 pc_vga_init(isa_bus
, pcmc
->pci_enabled
? pci_bus
: NULL
);
239 assert(pcms
->vmport
!= ON_OFF_AUTO__MAX
);
240 if (pcms
->vmport
== ON_OFF_AUTO_AUTO
) {
241 pcms
->vmport
= xen_enabled() ? ON_OFF_AUTO_OFF
: ON_OFF_AUTO_ON
;
244 /* init basic PC hardware */
245 pc_basic_device_init(isa_bus
, pcms
->gsi
, &rtc_state
, true,
246 (pcms
->vmport
!= ON_OFF_AUTO_ON
), pcms
->pit_enabled
,
249 pc_nic_init(pcmc
, isa_bus
, pci_bus
);
251 ide_drive_get(hd
, ARRAY_SIZE(hd
));
252 if (pcmc
->pci_enabled
) {
255 dev
= pci_piix3_xen_ide_init(pci_bus
, hd
, piix3_devfn
+ 1);
257 dev
= pci_piix3_ide_init(pci_bus
, hd
, piix3_devfn
+ 1);
259 idebus
[0] = qdev_get_child_bus(&dev
->qdev
, "ide.0");
260 idebus
[1] = qdev_get_child_bus(&dev
->qdev
, "ide.1");
261 pc_cmos_init(pcms
, idebus
[0], idebus
[1], rtc_state
);
263 #ifdef CONFIG_IDE_ISA
265 for(i
= 0; i
< MAX_IDE_BUS
; i
++) {
267 char busname
[] = "ide.0";
268 dev
= isa_ide_init(isa_bus
, ide_iobase
[i
], ide_iobase2
[i
],
270 hd
[MAX_IDE_DEVS
* i
], hd
[MAX_IDE_DEVS
* i
+ 1]);
272 * The ide bus name is ide.0 for the first bus and ide.1 for the
275 busname
[4] = '0' + i
;
276 idebus
[i
] = qdev_get_child_bus(DEVICE(dev
), busname
);
278 pc_cmos_init(pcms
, idebus
[0], idebus
[1], rtc_state
);
282 if (pcmc
->pci_enabled
&& machine_usb(machine
)) {
283 pci_create_simple(pci_bus
, piix3_devfn
+ 2, "piix3-usb-uhci");
286 if (pcmc
->pci_enabled
&& acpi_enabled
) {
287 DeviceState
*piix4_pm
;
290 smi_irq
= qemu_allocate_irq(pc_acpi_smi_interrupt
, first_cpu
, 0);
291 /* TODO: Populate SPD eeprom data. */
292 smbus
= piix4_pm_init(pci_bus
, piix3_devfn
+ 3, 0xb100,
293 pcms
->gsi
[9], smi_irq
,
294 pc_machine_is_smm_enabled(pcms
),
296 smbus_eeprom_init(smbus
, 8, NULL
, 0);
298 object_property_add_link(OBJECT(machine
), PC_MACHINE_ACPI_DEVICE_PROP
,
299 TYPE_HOTPLUG_HANDLER
,
300 (Object
**)&pcms
->acpi_dev
,
301 object_property_allow_set_link
,
302 OBJ_PROP_LINK_STRONG
, &error_abort
);
303 object_property_set_link(OBJECT(machine
), OBJECT(piix4_pm
),
304 PC_MACHINE_ACPI_DEVICE_PROP
, &error_abort
);
307 if (machine
->nvdimms_state
->is_enabled
) {
308 nvdimm_init_acpi_state(machine
->nvdimms_state
, system_io
,
309 pcms
->fw_cfg
, OBJECT(pcms
));
313 /* Looking for a pc_compat_2_4() function? It doesn't exist.
314 * pc_compat_*() functions that run on machine-init time and
315 * change global QEMU state are deprecated. Please don't create
316 * one, and implement any pc-*-2.4 (and newer) compat code in
317 * HW_COMPAT_*, PC_COMPAT_*, or * pc_*_machine_options().
320 static void pc_compat_2_3_fn(MachineState
*machine
)
322 PCMachineState
*pcms
= PC_MACHINE(machine
);
324 pcms
->smm
= ON_OFF_AUTO_OFF
;
328 static void pc_compat_2_2_fn(MachineState
*machine
)
330 pc_compat_2_3_fn(machine
);
333 static void pc_compat_2_1_fn(MachineState
*machine
)
335 pc_compat_2_2_fn(machine
);
336 x86_cpu_change_kvm_default("svm", NULL
);
339 static void pc_compat_2_0_fn(MachineState
*machine
)
341 pc_compat_2_1_fn(machine
);
344 static void pc_compat_1_7_fn(MachineState
*machine
)
346 pc_compat_2_0_fn(machine
);
347 x86_cpu_change_kvm_default("x2apic", NULL
);
350 static void pc_compat_1_6_fn(MachineState
*machine
)
352 pc_compat_1_7_fn(machine
);
355 static void pc_compat_1_5_fn(MachineState
*machine
)
357 pc_compat_1_6_fn(machine
);
360 static void pc_compat_1_4_fn(MachineState
*machine
)
362 pc_compat_1_5_fn(machine
);
365 static void pc_compat_1_3(MachineState
*machine
)
367 pc_compat_1_4_fn(machine
);
370 /* PC compat function for pc-0.14 to pc-1.2 */
371 static void pc_compat_1_2(MachineState
*machine
)
373 pc_compat_1_3(machine
);
374 x86_cpu_change_kvm_default("kvm-pv-eoi", NULL
);
377 /* PC compat function for pc-0.12 and pc-0.13 */
378 static void pc_compat_0_13(MachineState
*machine
)
380 pc_compat_1_2(machine
);
383 static void pc_init_isa(MachineState
*machine
)
385 pc_init1(machine
, TYPE_I440FX_PCI_HOST_BRIDGE
, TYPE_I440FX_PCI_DEVICE
);
389 static void pc_xen_hvm_init_pci(MachineState
*machine
)
391 const char *pci_type
= has_igd_gfx_passthru
?
392 TYPE_IGD_PASSTHROUGH_I440FX_PCI_DEVICE
: TYPE_I440FX_PCI_DEVICE
;
395 TYPE_I440FX_PCI_HOST_BRIDGE
,
399 static void pc_xen_hvm_init(MachineState
*machine
)
401 PCMachineState
*pcms
= PC_MACHINE(machine
);
403 if (!xen_enabled()) {
404 error_report("xenfv machine requires the xen accelerator");
408 pc_xen_hvm_init_pci(machine
);
409 pci_create_simple(pcms
->bus
, -1, "xen-platform");
413 #define DEFINE_I440FX_MACHINE(suffix, name, compatfn, optionfn) \
414 static void pc_init_##suffix(MachineState *machine) \
416 void (*compat)(MachineState *m) = (compatfn); \
420 pc_init1(machine, TYPE_I440FX_PCI_HOST_BRIDGE, \
421 TYPE_I440FX_PCI_DEVICE); \
423 DEFINE_PC_MACHINE(suffix, name, pc_init_##suffix, optionfn)
425 static void pc_i440fx_machine_options(MachineClass
*m
)
427 PCMachineClass
*pcmc
= PC_MACHINE_CLASS(m
);
428 pcmc
->default_nic_model
= "e1000";
430 m
->family
= "pc_piix";
431 m
->desc
= "Standard PC (i440FX + PIIX, 1996)";
432 m
->default_machine_opts
= "firmware=bios-256k.bin";
433 m
->default_display
= "std";
434 machine_class_allow_dynamic_sysbus_dev(m
, TYPE_RAMFB_DEVICE
);
437 static void pc_i440fx_4_1_machine_options(MachineClass
*m
)
439 PCMachineClass
*pcmc
= PC_MACHINE_CLASS(m
);
440 pc_i440fx_machine_options(m
);
443 pcmc
->default_cpu_version
= 1;
446 DEFINE_I440FX_MACHINE(v4_1
, "pc-i440fx-4.1", NULL
,
447 pc_i440fx_4_1_machine_options
);
449 static void pc_i440fx_4_0_machine_options(MachineClass
*m
)
451 PCMachineClass
*pcmc
= PC_MACHINE_CLASS(m
);
452 pc_i440fx_4_1_machine_options(m
);
455 pcmc
->default_cpu_version
= CPU_VERSION_LEGACY
;
456 compat_props_add(m
->compat_props
, hw_compat_4_0
, hw_compat_4_0_len
);
457 compat_props_add(m
->compat_props
, pc_compat_4_0
, pc_compat_4_0_len
);
460 DEFINE_I440FX_MACHINE(v4_0
, "pc-i440fx-4.0", NULL
,
461 pc_i440fx_4_0_machine_options
);
463 static void pc_i440fx_3_1_machine_options(MachineClass
*m
)
465 PCMachineClass
*pcmc
= PC_MACHINE_CLASS(m
);
467 pc_i440fx_4_0_machine_options(m
);
469 m
->smbus_no_migration_support
= true;
471 pcmc
->pvh_enabled
= false;
472 compat_props_add(m
->compat_props
, hw_compat_3_1
, hw_compat_3_1_len
);
473 compat_props_add(m
->compat_props
, pc_compat_3_1
, pc_compat_3_1_len
);
476 DEFINE_I440FX_MACHINE(v3_1
, "pc-i440fx-3.1", NULL
,
477 pc_i440fx_3_1_machine_options
);
479 static void pc_i440fx_3_0_machine_options(MachineClass
*m
)
481 pc_i440fx_3_1_machine_options(m
);
482 compat_props_add(m
->compat_props
, hw_compat_3_0
, hw_compat_3_0_len
);
483 compat_props_add(m
->compat_props
, pc_compat_3_0
, pc_compat_3_0_len
);
486 DEFINE_I440FX_MACHINE(v3_0
, "pc-i440fx-3.0", NULL
,
487 pc_i440fx_3_0_machine_options
);
489 static void pc_i440fx_2_12_machine_options(MachineClass
*m
)
491 pc_i440fx_3_0_machine_options(m
);
492 compat_props_add(m
->compat_props
, hw_compat_2_12
, hw_compat_2_12_len
);
493 compat_props_add(m
->compat_props
, pc_compat_2_12
, pc_compat_2_12_len
);
496 DEFINE_I440FX_MACHINE(v2_12
, "pc-i440fx-2.12", NULL
,
497 pc_i440fx_2_12_machine_options
);
499 static void pc_i440fx_2_11_machine_options(MachineClass
*m
)
501 pc_i440fx_2_12_machine_options(m
);
502 compat_props_add(m
->compat_props
, hw_compat_2_11
, hw_compat_2_11_len
);
503 compat_props_add(m
->compat_props
, pc_compat_2_11
, pc_compat_2_11_len
);
506 DEFINE_I440FX_MACHINE(v2_11
, "pc-i440fx-2.11", NULL
,
507 pc_i440fx_2_11_machine_options
);
509 static void pc_i440fx_2_10_machine_options(MachineClass
*m
)
511 pc_i440fx_2_11_machine_options(m
);
512 compat_props_add(m
->compat_props
, hw_compat_2_10
, hw_compat_2_10_len
);
513 compat_props_add(m
->compat_props
, pc_compat_2_10
, pc_compat_2_10_len
);
514 m
->auto_enable_numa_with_memhp
= false;
517 DEFINE_I440FX_MACHINE(v2_10
, "pc-i440fx-2.10", NULL
,
518 pc_i440fx_2_10_machine_options
);
520 static void pc_i440fx_2_9_machine_options(MachineClass
*m
)
522 pc_i440fx_2_10_machine_options(m
);
523 compat_props_add(m
->compat_props
, hw_compat_2_9
, hw_compat_2_9_len
);
524 compat_props_add(m
->compat_props
, pc_compat_2_9
, pc_compat_2_9_len
);
525 m
->numa_auto_assign_ram
= numa_legacy_auto_assign_ram
;
528 DEFINE_I440FX_MACHINE(v2_9
, "pc-i440fx-2.9", NULL
,
529 pc_i440fx_2_9_machine_options
);
531 static void pc_i440fx_2_8_machine_options(MachineClass
*m
)
533 pc_i440fx_2_9_machine_options(m
);
534 compat_props_add(m
->compat_props
, hw_compat_2_8
, hw_compat_2_8_len
);
535 compat_props_add(m
->compat_props
, pc_compat_2_8
, pc_compat_2_8_len
);
538 DEFINE_I440FX_MACHINE(v2_8
, "pc-i440fx-2.8", NULL
,
539 pc_i440fx_2_8_machine_options
);
541 static void pc_i440fx_2_7_machine_options(MachineClass
*m
)
543 pc_i440fx_2_8_machine_options(m
);
544 compat_props_add(m
->compat_props
, hw_compat_2_7
, hw_compat_2_7_len
);
545 compat_props_add(m
->compat_props
, pc_compat_2_7
, pc_compat_2_7_len
);
548 DEFINE_I440FX_MACHINE(v2_7
, "pc-i440fx-2.7", NULL
,
549 pc_i440fx_2_7_machine_options
);
551 static void pc_i440fx_2_6_machine_options(MachineClass
*m
)
553 PCMachineClass
*pcmc
= PC_MACHINE_CLASS(m
);
555 pc_i440fx_2_7_machine_options(m
);
556 pcmc
->legacy_cpu_hotplug
= true;
557 pcmc
->linuxboot_dma_enabled
= false;
558 compat_props_add(m
->compat_props
, hw_compat_2_6
, hw_compat_2_6_len
);
559 compat_props_add(m
->compat_props
, pc_compat_2_6
, pc_compat_2_6_len
);
562 DEFINE_I440FX_MACHINE(v2_6
, "pc-i440fx-2.6", NULL
,
563 pc_i440fx_2_6_machine_options
);
565 static void pc_i440fx_2_5_machine_options(MachineClass
*m
)
567 PCMachineClass
*pcmc
= PC_MACHINE_CLASS(m
);
569 pc_i440fx_2_6_machine_options(m
);
570 pcmc
->save_tsc_khz
= false;
571 m
->legacy_fw_cfg_order
= 1;
572 compat_props_add(m
->compat_props
, hw_compat_2_5
, hw_compat_2_5_len
);
573 compat_props_add(m
->compat_props
, pc_compat_2_5
, pc_compat_2_5_len
);
576 DEFINE_I440FX_MACHINE(v2_5
, "pc-i440fx-2.5", NULL
,
577 pc_i440fx_2_5_machine_options
);
579 static void pc_i440fx_2_4_machine_options(MachineClass
*m
)
581 PCMachineClass
*pcmc
= PC_MACHINE_CLASS(m
);
583 pc_i440fx_2_5_machine_options(m
);
584 m
->hw_version
= "2.4.0";
585 pcmc
->broken_reserved_end
= true;
586 compat_props_add(m
->compat_props
, hw_compat_2_4
, hw_compat_2_4_len
);
587 compat_props_add(m
->compat_props
, pc_compat_2_4
, pc_compat_2_4_len
);
590 DEFINE_I440FX_MACHINE(v2_4
, "pc-i440fx-2.4", NULL
,
591 pc_i440fx_2_4_machine_options
)
593 static void pc_i440fx_2_3_machine_options(MachineClass
*m
)
595 pc_i440fx_2_4_machine_options(m
);
596 m
->hw_version
= "2.3.0";
597 compat_props_add(m
->compat_props
, hw_compat_2_3
, hw_compat_2_3_len
);
598 compat_props_add(m
->compat_props
, pc_compat_2_3
, pc_compat_2_3_len
);
601 DEFINE_I440FX_MACHINE(v2_3
, "pc-i440fx-2.3", pc_compat_2_3_fn
,
602 pc_i440fx_2_3_machine_options
);
604 static void pc_i440fx_2_2_machine_options(MachineClass
*m
)
606 PCMachineClass
*pcmc
= PC_MACHINE_CLASS(m
);
608 pc_i440fx_2_3_machine_options(m
);
609 m
->hw_version
= "2.2.0";
610 m
->default_machine_opts
= "firmware=bios-256k.bin,suppress-vmdesc=on";
611 compat_props_add(m
->compat_props
, hw_compat_2_2
, hw_compat_2_2_len
);
612 compat_props_add(m
->compat_props
, pc_compat_2_2
, pc_compat_2_2_len
);
613 pcmc
->rsdp_in_ram
= false;
616 DEFINE_I440FX_MACHINE(v2_2
, "pc-i440fx-2.2", pc_compat_2_2_fn
,
617 pc_i440fx_2_2_machine_options
);
619 static void pc_i440fx_2_1_machine_options(MachineClass
*m
)
621 PCMachineClass
*pcmc
= PC_MACHINE_CLASS(m
);
623 pc_i440fx_2_2_machine_options(m
);
624 m
->hw_version
= "2.1.0";
625 m
->default_display
= NULL
;
626 compat_props_add(m
->compat_props
, hw_compat_2_1
, hw_compat_2_1_len
);
627 compat_props_add(m
->compat_props
, pc_compat_2_1
, pc_compat_2_1_len
);
628 pcmc
->smbios_uuid_encoded
= false;
629 pcmc
->enforce_aligned_dimm
= false;
632 DEFINE_I440FX_MACHINE(v2_1
, "pc-i440fx-2.1", pc_compat_2_1_fn
,
633 pc_i440fx_2_1_machine_options
);
635 static void pc_i440fx_2_0_machine_options(MachineClass
*m
)
637 PCMachineClass
*pcmc
= PC_MACHINE_CLASS(m
);
639 pc_i440fx_2_1_machine_options(m
);
640 m
->hw_version
= "2.0.0";
641 compat_props_add(m
->compat_props
, pc_compat_2_0
, pc_compat_2_0_len
);
642 pcmc
->smbios_legacy_mode
= true;
643 pcmc
->has_reserved_memory
= false;
644 /* This value depends on the actual DSDT and SSDT compiled into
645 * the source QEMU; unfortunately it depends on the binary and
646 * not on the machine type, so we cannot make pc-i440fx-1.7 work on
647 * both QEMU 1.7 and QEMU 2.0.
649 * Large variations cause migration to fail for more than one
650 * consecutive value of the "-smp" maxcpus option.
652 * For small variations of the kind caused by different iasl versions,
653 * the 4k rounding usually leaves slack. However, there could be still
654 * one or two values that break. For QEMU 1.7 and QEMU 2.0 the
655 * slack is only ~10 bytes before one "-smp maxcpus" value breaks!
657 * 6652 is valid for QEMU 2.0, the right value for pc-i440fx-1.7 on
658 * QEMU 1.7 it is 6414. For RHEL/CentOS 7.0 it is 6418.
660 pcmc
->legacy_acpi_table_size
= 6652;
661 pcmc
->acpi_data_size
= 0x10000;
664 DEFINE_I440FX_MACHINE(v2_0
, "pc-i440fx-2.0", pc_compat_2_0_fn
,
665 pc_i440fx_2_0_machine_options
);
667 static void pc_i440fx_1_7_machine_options(MachineClass
*m
)
669 PCMachineClass
*pcmc
= PC_MACHINE_CLASS(m
);
671 pc_i440fx_2_0_machine_options(m
);
672 m
->hw_version
= "1.7.0";
673 m
->default_machine_opts
= NULL
;
674 m
->option_rom_has_mr
= true;
675 compat_props_add(m
->compat_props
, pc_compat_1_7
, pc_compat_1_7_len
);
676 pcmc
->smbios_defaults
= false;
677 pcmc
->gigabyte_align
= false;
678 pcmc
->legacy_acpi_table_size
= 6414;
681 DEFINE_I440FX_MACHINE(v1_7
, "pc-i440fx-1.7", pc_compat_1_7_fn
,
682 pc_i440fx_1_7_machine_options
);
684 static void pc_i440fx_1_6_machine_options(MachineClass
*m
)
686 PCMachineClass
*pcmc
= PC_MACHINE_CLASS(m
);
688 pc_i440fx_1_7_machine_options(m
);
689 m
->hw_version
= "1.6.0";
690 m
->rom_file_has_mr
= false;
691 compat_props_add(m
->compat_props
, pc_compat_1_6
, pc_compat_1_6_len
);
692 pcmc
->has_acpi_build
= false;
695 DEFINE_I440FX_MACHINE(v1_6
, "pc-i440fx-1.6", pc_compat_1_6_fn
,
696 pc_i440fx_1_6_machine_options
);
698 static void pc_i440fx_1_5_machine_options(MachineClass
*m
)
700 pc_i440fx_1_6_machine_options(m
);
701 m
->hw_version
= "1.5.0";
702 compat_props_add(m
->compat_props
, pc_compat_1_5
, pc_compat_1_5_len
);
705 DEFINE_I440FX_MACHINE(v1_5
, "pc-i440fx-1.5", pc_compat_1_5_fn
,
706 pc_i440fx_1_5_machine_options
);
708 static void pc_i440fx_1_4_machine_options(MachineClass
*m
)
710 pc_i440fx_1_5_machine_options(m
);
711 m
->hw_version
= "1.4.0";
712 m
->hot_add_cpu
= NULL
;
713 compat_props_add(m
->compat_props
, pc_compat_1_4
, pc_compat_1_4_len
);
716 DEFINE_I440FX_MACHINE(v1_4
, "pc-i440fx-1.4", pc_compat_1_4_fn
,
717 pc_i440fx_1_4_machine_options
);
719 static void pc_i440fx_1_3_machine_options(MachineClass
*m
)
721 PCMachineClass
*pcmc
= PC_MACHINE_CLASS(m
);
722 static GlobalProperty compat
[] = {
723 PC_CPU_MODEL_IDS("1.3.0")
724 { "usb-tablet", "usb_version", "1" },
725 { "virtio-net-pci", "ctrl_mac_addr", "off" },
726 { "virtio-net-pci", "mq", "off" },
727 { "e1000", "autonegotiation", "off" },
730 pc_i440fx_1_4_machine_options(m
);
731 m
->hw_version
= "1.3.0";
732 pcmc
->compat_apic_id_mode
= true;
733 compat_props_add(m
->compat_props
, compat
, G_N_ELEMENTS(compat
));
736 DEFINE_I440FX_MACHINE(v1_3
, "pc-1.3", pc_compat_1_3
,
737 pc_i440fx_1_3_machine_options
);
740 static void pc_i440fx_1_2_machine_options(MachineClass
*m
)
742 static GlobalProperty compat
[] = {
743 PC_CPU_MODEL_IDS("1.2.0")
744 { "nec-usb-xhci", "msi", "off" },
745 { "nec-usb-xhci", "msix", "off" },
746 { "qxl", "revision", "3" },
747 { "qxl-vga", "revision", "3" },
748 { "VGA", "mmio", "off" },
751 pc_i440fx_1_3_machine_options(m
);
752 m
->hw_version
= "1.2.0";
753 compat_props_add(m
->compat_props
, compat
, G_N_ELEMENTS(compat
));
756 DEFINE_I440FX_MACHINE(v1_2
, "pc-1.2", pc_compat_1_2
,
757 pc_i440fx_1_2_machine_options
);
760 static void pc_i440fx_1_1_machine_options(MachineClass
*m
)
762 static GlobalProperty compat
[] = {
763 PC_CPU_MODEL_IDS("1.1.0")
764 { "virtio-scsi-pci", "hotplug", "off" },
765 { "virtio-scsi-pci", "param_change", "off" },
766 { "VGA", "vgamem_mb", "8" },
767 { "vmware-svga", "vgamem_mb", "8" },
768 { "qxl-vga", "vgamem_mb", "8" },
769 { "qxl", "vgamem_mb", "8" },
770 { "virtio-blk-pci", "config-wce", "off" },
773 pc_i440fx_1_2_machine_options(m
);
774 m
->hw_version
= "1.1.0";
775 compat_props_add(m
->compat_props
, compat
, G_N_ELEMENTS(compat
));
778 DEFINE_I440FX_MACHINE(v1_1
, "pc-1.1", pc_compat_1_2
,
779 pc_i440fx_1_1_machine_options
);
781 static void pc_i440fx_1_0_machine_options(MachineClass
*m
)
783 static GlobalProperty compat
[] = {
784 PC_CPU_MODEL_IDS("1.0")
785 { TYPE_ISA_FDC
, "check_media_rate", "off" },
786 { "virtio-balloon-pci", "class", stringify(PCI_CLASS_MEMORY_RAM
) },
787 { "apic-common", "vapic", "off" },
788 { TYPE_USB_DEVICE
, "full-path", "no" },
791 pc_i440fx_1_1_machine_options(m
);
792 m
->hw_version
= "1.0";
793 compat_props_add(m
->compat_props
, compat
, G_N_ELEMENTS(compat
));
796 DEFINE_I440FX_MACHINE(v1_0
, "pc-1.0", pc_compat_1_2
,
797 pc_i440fx_1_0_machine_options
);
800 static void pc_i440fx_0_15_machine_options(MachineClass
*m
)
802 static GlobalProperty compat
[] = {
803 PC_CPU_MODEL_IDS("0.15")
806 pc_i440fx_1_0_machine_options(m
);
807 m
->hw_version
= "0.15";
808 m
->deprecation_reason
= "use a newer machine type instead";
809 compat_props_add(m
->compat_props
, compat
, G_N_ELEMENTS(compat
));
812 DEFINE_I440FX_MACHINE(v0_15
, "pc-0.15", pc_compat_1_2
,
813 pc_i440fx_0_15_machine_options
);
816 static void pc_i440fx_0_14_machine_options(MachineClass
*m
)
818 static GlobalProperty compat
[] = {
819 PC_CPU_MODEL_IDS("0.14")
820 { "virtio-blk-pci", "event_idx", "off" },
821 { "virtio-serial-pci", "event_idx", "off" },
822 { "virtio-net-pci", "event_idx", "off" },
823 { "virtio-balloon-pci", "event_idx", "off" },
824 { "qxl", "revision", "2" },
825 { "qxl-vga", "revision", "2" },
828 pc_i440fx_0_15_machine_options(m
);
829 m
->hw_version
= "0.14";
830 compat_props_add(m
->compat_props
, compat
, G_N_ELEMENTS(compat
));
833 DEFINE_I440FX_MACHINE(v0_14
, "pc-0.14", pc_compat_1_2
,
834 pc_i440fx_0_14_machine_options
);
836 static void pc_i440fx_0_13_machine_options(MachineClass
*m
)
838 PCMachineClass
*pcmc
= PC_MACHINE_CLASS(m
);
839 static GlobalProperty compat
[] = {
840 PC_CPU_MODEL_IDS("0.13")
841 { TYPE_PCI_DEVICE
, "command_serr_enable", "off" },
842 { "AC97", "use_broken_id", "1" },
843 { "virtio-9p-pci", "vectors", "0" },
844 { "VGA", "rombar", "0" },
845 { "vmware-svga", "rombar", "0" },
848 pc_i440fx_0_14_machine_options(m
);
849 m
->hw_version
= "0.13";
850 compat_props_add(m
->compat_props
, compat
, G_N_ELEMENTS(compat
));
851 pcmc
->kvmclock_enabled
= false;
854 DEFINE_I440FX_MACHINE(v0_13
, "pc-0.13", pc_compat_0_13
,
855 pc_i440fx_0_13_machine_options
);
857 static void pc_i440fx_0_12_machine_options(MachineClass
*m
)
859 static GlobalProperty compat
[] = {
860 PC_CPU_MODEL_IDS("0.12")
861 { "virtio-serial-pci", "max_ports", "1" },
862 { "virtio-serial-pci", "vectors", "0" },
863 { "usb-mouse", "serial", "1" },
864 { "usb-tablet", "serial", "1" },
865 { "usb-kbd", "serial", "1" },
868 pc_i440fx_0_13_machine_options(m
);
869 m
->hw_version
= "0.12";
870 compat_props_add(m
->compat_props
, compat
, G_N_ELEMENTS(compat
));
873 DEFINE_I440FX_MACHINE(v0_12
, "pc-0.12", pc_compat_0_13
,
874 pc_i440fx_0_12_machine_options
);
877 uint16_t gpu_device_id
;
878 uint16_t pch_device_id
;
879 uint8_t pch_revision_id
;
882 /* In real world different GPU should have different PCH. But actually
883 * the different PCH DIDs likely map to different PCH SKUs. We do the
884 * same thing for the GPU. For PCH, the different SKUs are going to be
885 * all the same silicon design and implementation, just different
886 * features turn on and off with fuses. The SW interfaces should be
887 * consistent across all SKUs in a given family (eg LPT). But just same
888 * features may not be supported.
890 * Most of these different PCH features probably don't matter to the
891 * Gfx driver, but obviously any difference in display port connections
892 * will so it should be fine with any PCH in case of passthrough.
894 * So currently use one PCH version, 0x8c4e, to cover all HSW(Haswell)
895 * scenarios, 0x9cc3 for BDW(Broadwell).
897 static const IGDDeviceIDInfo igd_combo_id_infos
[] = {
899 {0x0402, 0x8c4e, 0x04}, /* HSWGT1D, HSWD_w7 */
900 {0x0406, 0x8c4e, 0x04}, /* HSWGT1M, HSWM_w7 */
901 {0x0412, 0x8c4e, 0x04}, /* HSWGT2D, HSWD_w7 */
902 {0x0416, 0x8c4e, 0x04}, /* HSWGT2M, HSWM_w7 */
903 {0x041E, 0x8c4e, 0x04}, /* HSWGT15D, HSWD_w7 */
905 {0x0A06, 0x8c4e, 0x04}, /* HSWGT1UT, HSWM_w7 */
906 {0x0A16, 0x8c4e, 0x04}, /* HSWGT2UT, HSWM_w7 */
907 {0x0A26, 0x8c4e, 0x06}, /* HSWGT3UT, HSWM_w7 */
908 {0x0A2E, 0x8c4e, 0x04}, /* HSWGT3UT28W, HSWM_w7 */
909 {0x0A1E, 0x8c4e, 0x04}, /* HSWGT2UX, HSWM_w7 */
910 {0x0A0E, 0x8c4e, 0x04}, /* HSWGT1ULX, HSWM_w7 */
912 {0x0D26, 0x8c4e, 0x04}, /* HSWGT3CW, HSWM_w7 */
913 {0x0D22, 0x8c4e, 0x04}, /* HSWGT3CWDT, HSWD_w7 */
915 {0x041A, 0x8c4e, 0x04}, /* HSWSVGT2, HSWD_w7 */
917 {0x040A, 0x8c4e, 0x04}, /* HSWSVGT1, HSWD_w7 */
919 {0x1606, 0x9cc3, 0x03}, /* BDWULTGT1, BDWM_w7 */
920 {0x1616, 0x9cc3, 0x03}, /* BDWULTGT2, BDWM_w7 */
921 {0x1626, 0x9cc3, 0x03}, /* BDWULTGT3, BDWM_w7 */
922 {0x160E, 0x9cc3, 0x03}, /* BDWULXGT1, BDWM_w7 */
923 {0x161E, 0x9cc3, 0x03}, /* BDWULXGT2, BDWM_w7 */
924 {0x1602, 0x9cc3, 0x03}, /* BDWHALOGT1, BDWM_w7 */
925 {0x1612, 0x9cc3, 0x03}, /* BDWHALOGT2, BDWM_w7 */
926 {0x1622, 0x9cc3, 0x03}, /* BDWHALOGT3, BDWM_w7 */
927 {0x162B, 0x9cc3, 0x03}, /* BDWHALO28W, BDWM_w7 */
928 {0x162A, 0x9cc3, 0x03}, /* BDWGT3WRKS, BDWM_w7 */
929 {0x162D, 0x9cc3, 0x03}, /* BDWGT3SRVR, BDWM_w7 */
932 static void isa_bridge_class_init(ObjectClass
*klass
, void *data
)
934 DeviceClass
*dc
= DEVICE_CLASS(klass
);
935 PCIDeviceClass
*k
= PCI_DEVICE_CLASS(klass
);
937 dc
->desc
= "ISA bridge faked to support IGD PT";
938 set_bit(DEVICE_CATEGORY_BRIDGE
, dc
->categories
);
939 k
->vendor_id
= PCI_VENDOR_ID_INTEL
;
940 k
->class_id
= PCI_CLASS_BRIDGE_ISA
;
943 static TypeInfo isa_bridge_info
= {
944 .name
= "igd-passthrough-isa-bridge",
945 .parent
= TYPE_PCI_DEVICE
,
946 .instance_size
= sizeof(PCIDevice
),
947 .class_init
= isa_bridge_class_init
,
948 .interfaces
= (InterfaceInfo
[]) {
949 { INTERFACE_CONVENTIONAL_PCI_DEVICE
},
954 static void pt_graphics_register_types(void)
956 type_register_static(&isa_bridge_info
);
958 type_init(pt_graphics_register_types
)
960 void igd_passthrough_isa_bridge_create(PCIBus
*bus
, uint16_t gpu_dev_id
)
962 struct PCIDevice
*bridge_dev
;
964 uint16_t pch_dev_id
= 0xffff;
967 num
= ARRAY_SIZE(igd_combo_id_infos
);
968 for (i
= 0; i
< num
; i
++) {
969 if (gpu_dev_id
== igd_combo_id_infos
[i
].gpu_device_id
) {
970 pch_dev_id
= igd_combo_id_infos
[i
].pch_device_id
;
971 pch_rev_id
= igd_combo_id_infos
[i
].pch_revision_id
;
975 if (pch_dev_id
== 0xffff) {
979 /* Currently IGD drivers always need to access PCH by 1f.0. */
980 bridge_dev
= pci_create_simple(bus
, PCI_DEVFN(0x1f, 0),
981 "igd-passthrough-isa-bridge");
984 * Note that vendor id is always PCI_VENDOR_ID_INTEL.
987 fprintf(stderr
, "set igd-passthrough-isa-bridge failed!\n");
990 pci_config_set_device_id(bridge_dev
->config
, pch_dev_id
);
991 pci_config_set_revision(bridge_dev
->config
, pch_rev_id
);
994 static void isapc_machine_options(MachineClass
*m
)
996 PCMachineClass
*pcmc
= PC_MACHINE_CLASS(m
);
997 m
->desc
= "ISA-only PC";
999 m
->option_rom_has_mr
= true;
1000 m
->rom_file_has_mr
= false;
1001 pcmc
->pci_enabled
= false;
1002 pcmc
->has_acpi_build
= false;
1003 pcmc
->smbios_defaults
= false;
1004 pcmc
->gigabyte_align
= false;
1005 pcmc
->smbios_legacy_mode
= true;
1006 pcmc
->has_reserved_memory
= false;
1007 pcmc
->default_nic_model
= "ne2k_isa";
1008 m
->default_cpu_type
= X86_CPU_TYPE_NAME("486");
1011 DEFINE_PC_MACHINE(isapc
, "isapc", pc_init_isa
,
1012 isapc_machine_options
);
1016 static void xenfv_machine_options(MachineClass
*m
)
1018 m
->desc
= "Xen Fully-virtualized PC";
1019 m
->max_cpus
= HVM_MAX_VCPUS
;
1020 m
->default_machine_opts
= "accel=xen";
1023 DEFINE_PC_MACHINE(xenfv
, "xenfv", pc_xen_hvm_init
,
1024 xenfv_machine_options
);