4 * Copyright (c) 2006 Fabrice Bellard
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License version 2 as published by the Free Software Foundation.
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Lesser General Public License for more details.
15 * You should have received a copy of the GNU Lesser General Public
16 * License along with this library; if not, see <http://www.gnu.org/licenses/>
18 * Contributions after 2012-01-13 are licensed under the terms of the
19 * GNU GPL, version 2 or (at your option) any later version.
21 #include "qemu/osdep.h"
23 #include "hw/i386/pc.h"
24 #include "hw/isa/apm.h"
25 #include "hw/i2c/pm_smbus.h"
26 #include "hw/pci/pci.h"
27 #include "hw/acpi/acpi.h"
28 #include "sysemu/sysemu.h"
29 #include "qapi/error.h"
30 #include "qemu/range.h"
31 #include "exec/ioport.h"
32 #include "hw/nvram/fw_cfg.h"
33 #include "exec/address-spaces.h"
34 #include "hw/acpi/piix4.h"
35 #include "hw/acpi/pcihp.h"
36 #include "hw/acpi/cpu_hotplug.h"
37 #include "hw/hotplug.h"
38 #include "hw/mem/pc-dimm.h"
39 #include "hw/acpi/memory_hotplug.h"
40 #include "hw/acpi/acpi_dev_interface.h"
41 #include "hw/xen/xen.h"
47 # define PIIX4_DPRINTF(format, ...) printf(format, ## __VA_ARGS__)
49 # define PIIX4_DPRINTF(format, ...) do { } while (0)
52 #define GPE_BASE 0xafe0
56 uint32_t up
; /* deprecated, maintained for migration compatibility */
60 typedef struct PIIX4PMState
{
79 Notifier machine_ready
;
80 Notifier powerdown_notifier
;
82 AcpiPciHpState acpi_pci_hotplug
;
83 bool use_acpi_pci_hotplug
;
89 AcpiCpuHotplug gpe_cpu
;
91 MemHotplugState acpi_memory_hotplug
;
94 #define TYPE_PIIX4_PM "PIIX4_PM"
96 #define PIIX4_PM(obj) \
97 OBJECT_CHECK(PIIX4PMState, (obj), TYPE_PIIX4_PM)
99 static void piix4_acpi_system_hot_add_init(MemoryRegion
*parent
,
100 PCIBus
*bus
, PIIX4PMState
*s
);
102 #define ACPI_ENABLE 0xf1
103 #define ACPI_DISABLE 0xf0
105 static void pm_tmr_timer(ACPIREGS
*ar
)
107 PIIX4PMState
*s
= container_of(ar
, PIIX4PMState
, ar
);
108 acpi_update_sci(&s
->ar
, s
->irq
);
111 static void apm_ctrl_changed(uint32_t val
, void *arg
)
113 PIIX4PMState
*s
= arg
;
114 PCIDevice
*d
= PCI_DEVICE(s
);
116 /* ACPI specs 3.0, 4.7.2.5 */
117 acpi_pm1_cnt_update(&s
->ar
, val
== ACPI_ENABLE
, val
== ACPI_DISABLE
);
118 if (val
== ACPI_ENABLE
|| val
== ACPI_DISABLE
) {
122 if (d
->config
[0x5b] & (1 << 1)) {
124 qemu_irq_raise(s
->smi_irq
);
129 static void pm_io_space_update(PIIX4PMState
*s
)
131 PCIDevice
*d
= PCI_DEVICE(s
);
133 s
->io_base
= le32_to_cpu(*(uint32_t *)(d
->config
+ 0x40));
134 s
->io_base
&= 0xffc0;
136 memory_region_transaction_begin();
137 memory_region_set_enabled(&s
->io
, d
->config
[0x80] & 1);
138 memory_region_set_address(&s
->io
, s
->io_base
);
139 memory_region_transaction_commit();
142 static void smbus_io_space_update(PIIX4PMState
*s
)
144 PCIDevice
*d
= PCI_DEVICE(s
);
146 s
->smb_io_base
= le32_to_cpu(*(uint32_t *)(d
->config
+ 0x90));
147 s
->smb_io_base
&= 0xffc0;
149 memory_region_transaction_begin();
150 memory_region_set_enabled(&s
->smb
.io
, d
->config
[0xd2] & 1);
151 memory_region_set_address(&s
->smb
.io
, s
->smb_io_base
);
152 memory_region_transaction_commit();
155 static void pm_write_config(PCIDevice
*d
,
156 uint32_t address
, uint32_t val
, int len
)
158 pci_default_write_config(d
, address
, val
, len
);
159 if (range_covers_byte(address
, len
, 0x80) ||
160 ranges_overlap(address
, len
, 0x40, 4)) {
161 pm_io_space_update((PIIX4PMState
*)d
);
163 if (range_covers_byte(address
, len
, 0xd2) ||
164 ranges_overlap(address
, len
, 0x90, 4)) {
165 smbus_io_space_update((PIIX4PMState
*)d
);
169 static int vmstate_acpi_post_load(void *opaque
, int version_id
)
171 PIIX4PMState
*s
= opaque
;
173 pm_io_space_update(s
);
177 #define VMSTATE_GPE_ARRAY(_field, _state) \
179 .name = (stringify(_field)), \
181 .info = &vmstate_info_uint16, \
182 .size = sizeof(uint16_t), \
183 .flags = VMS_SINGLE | VMS_POINTER, \
184 .offset = vmstate_offset_pointer(_state, _field, uint8_t), \
187 static const VMStateDescription vmstate_gpe
= {
190 .minimum_version_id
= 1,
191 .fields
= (VMStateField
[]) {
192 VMSTATE_GPE_ARRAY(sts
, ACPIGPE
),
193 VMSTATE_GPE_ARRAY(en
, ACPIGPE
),
194 VMSTATE_END_OF_LIST()
198 static const VMStateDescription vmstate_pci_status
= {
199 .name
= "pci_status",
201 .minimum_version_id
= 1,
202 .fields
= (VMStateField
[]) {
203 VMSTATE_UINT32(up
, struct AcpiPciHpPciStatus
),
204 VMSTATE_UINT32(down
, struct AcpiPciHpPciStatus
),
205 VMSTATE_END_OF_LIST()
209 static int acpi_load_old(QEMUFile
*f
, void *opaque
, int version_id
)
211 PIIX4PMState
*s
= opaque
;
215 ret
= pci_device_load(PCI_DEVICE(s
), f
);
219 qemu_get_be16s(f
, &s
->ar
.pm1
.evt
.sts
);
220 qemu_get_be16s(f
, &s
->ar
.pm1
.evt
.en
);
221 qemu_get_be16s(f
, &s
->ar
.pm1
.cnt
.cnt
);
223 ret
= vmstate_load_state(f
, &vmstate_apm
, &s
->apm
, 1);
228 timer_get(f
, s
->ar
.tmr
.timer
);
229 qemu_get_sbe64s(f
, &s
->ar
.tmr
.overflow_time
);
231 qemu_get_be16s(f
, (uint16_t *)s
->ar
.gpe
.sts
);
232 for (i
= 0; i
< 3; i
++) {
233 qemu_get_be16s(f
, &temp
);
236 qemu_get_be16s(f
, (uint16_t *)s
->ar
.gpe
.en
);
237 for (i
= 0; i
< 3; i
++) {
238 qemu_get_be16s(f
, &temp
);
241 ret
= vmstate_load_state(f
, &vmstate_pci_status
,
242 &s
->acpi_pci_hotplug
.acpi_pcihp_pci_status
[ACPI_PCIHP_BSEL_DEFAULT
], 1);
246 static bool vmstate_test_use_acpi_pci_hotplug(void *opaque
, int version_id
)
248 PIIX4PMState
*s
= opaque
;
249 return s
->use_acpi_pci_hotplug
;
252 static bool vmstate_test_no_use_acpi_pci_hotplug(void *opaque
, int version_id
)
254 PIIX4PMState
*s
= opaque
;
255 return !s
->use_acpi_pci_hotplug
;
258 static bool vmstate_test_use_memhp(void *opaque
)
260 PIIX4PMState
*s
= opaque
;
261 return s
->acpi_memory_hotplug
.is_enabled
;
264 static const VMStateDescription vmstate_memhp_state
= {
265 .name
= "piix4_pm/memhp",
267 .minimum_version_id
= 1,
268 .minimum_version_id_old
= 1,
269 .needed
= vmstate_test_use_memhp
,
270 .fields
= (VMStateField
[]) {
271 VMSTATE_MEMORY_HOTPLUG(acpi_memory_hotplug
, PIIX4PMState
),
272 VMSTATE_END_OF_LIST()
276 /* qemu-kvm 1.2 uses version 3 but advertised as 2
277 * To support incoming qemu-kvm 1.2 migration, change version_id
278 * and minimum_version_id to 2 below (which breaks migration from
282 static const VMStateDescription vmstate_acpi
= {
285 .minimum_version_id
= 3,
286 .minimum_version_id_old
= 1,
287 .load_state_old
= acpi_load_old
,
288 .post_load
= vmstate_acpi_post_load
,
289 .fields
= (VMStateField
[]) {
290 VMSTATE_PCI_DEVICE(parent_obj
, PIIX4PMState
),
291 VMSTATE_UINT16(ar
.pm1
.evt
.sts
, PIIX4PMState
),
292 VMSTATE_UINT16(ar
.pm1
.evt
.en
, PIIX4PMState
),
293 VMSTATE_UINT16(ar
.pm1
.cnt
.cnt
, PIIX4PMState
),
294 VMSTATE_STRUCT(apm
, PIIX4PMState
, 0, vmstate_apm
, APMState
),
295 VMSTATE_TIMER_PTR(ar
.tmr
.timer
, PIIX4PMState
),
296 VMSTATE_INT64(ar
.tmr
.overflow_time
, PIIX4PMState
),
297 VMSTATE_STRUCT(ar
.gpe
, PIIX4PMState
, 2, vmstate_gpe
, ACPIGPE
),
299 acpi_pci_hotplug
.acpi_pcihp_pci_status
[ACPI_PCIHP_BSEL_DEFAULT
],
301 vmstate_test_no_use_acpi_pci_hotplug
,
302 2, vmstate_pci_status
,
303 struct AcpiPciHpPciStatus
),
304 VMSTATE_PCI_HOTPLUG(acpi_pci_hotplug
, PIIX4PMState
,
305 vmstate_test_use_acpi_pci_hotplug
),
306 VMSTATE_END_OF_LIST()
308 .subsections
= (const VMStateDescription
*[]) {
309 &vmstate_memhp_state
,
314 static void piix4_reset(void *opaque
)
316 PIIX4PMState
*s
= opaque
;
317 PCIDevice
*d
= PCI_DEVICE(s
);
318 uint8_t *pci_conf
= d
->config
;
325 pci_conf
[0x40] = 0x01; /* PM io base read only bit */
328 if (!s
->smm_enabled
) {
329 /* Mark SMM as already inited (until KVM supports SMM). */
330 pci_conf
[0x5B] = 0x02;
332 pm_io_space_update(s
);
333 acpi_pcihp_reset(&s
->acpi_pci_hotplug
);
336 static void piix4_pm_powerdown_req(Notifier
*n
, void *opaque
)
338 PIIX4PMState
*s
= container_of(n
, PIIX4PMState
, powerdown_notifier
);
341 acpi_pm1_evt_power_down(&s
->ar
);
344 static void piix4_device_plug_cb(HotplugHandler
*hotplug_dev
,
345 DeviceState
*dev
, Error
**errp
)
347 PIIX4PMState
*s
= PIIX4_PM(hotplug_dev
);
349 if (s
->acpi_memory_hotplug
.is_enabled
&&
350 object_dynamic_cast(OBJECT(dev
), TYPE_PC_DIMM
)) {
351 acpi_memory_plug_cb(hotplug_dev
, &s
->acpi_memory_hotplug
, dev
, errp
);
352 } else if (object_dynamic_cast(OBJECT(dev
), TYPE_PCI_DEVICE
)) {
353 acpi_pcihp_device_plug_cb(hotplug_dev
, &s
->acpi_pci_hotplug
, dev
, errp
);
354 } else if (object_dynamic_cast(OBJECT(dev
), TYPE_CPU
)) {
355 legacy_acpi_cpu_plug_cb(hotplug_dev
, &s
->gpe_cpu
, dev
, errp
);
357 error_setg(errp
, "acpi: device plug request for not supported device"
358 " type: %s", object_get_typename(OBJECT(dev
)));
362 static void piix4_device_unplug_request_cb(HotplugHandler
*hotplug_dev
,
363 DeviceState
*dev
, Error
**errp
)
365 PIIX4PMState
*s
= PIIX4_PM(hotplug_dev
);
367 if (s
->acpi_memory_hotplug
.is_enabled
&&
368 object_dynamic_cast(OBJECT(dev
), TYPE_PC_DIMM
)) {
369 acpi_memory_unplug_request_cb(hotplug_dev
, &s
->acpi_memory_hotplug
,
371 } else if (object_dynamic_cast(OBJECT(dev
), TYPE_PCI_DEVICE
)) {
372 acpi_pcihp_device_unplug_cb(hotplug_dev
, &s
->acpi_pci_hotplug
, dev
,
375 error_setg(errp
, "acpi: device unplug request for not supported device"
376 " type: %s", object_get_typename(OBJECT(dev
)));
380 static void piix4_device_unplug_cb(HotplugHandler
*hotplug_dev
,
381 DeviceState
*dev
, Error
**errp
)
383 PIIX4PMState
*s
= PIIX4_PM(hotplug_dev
);
385 if (s
->acpi_memory_hotplug
.is_enabled
&&
386 object_dynamic_cast(OBJECT(dev
), TYPE_PC_DIMM
)) {
387 acpi_memory_unplug_cb(&s
->acpi_memory_hotplug
, dev
, errp
);
389 error_setg(errp
, "acpi: device unplug for not supported device"
390 " type: %s", object_get_typename(OBJECT(dev
)));
394 static void piix4_update_bus_hotplug(PCIBus
*pci_bus
, void *opaque
)
396 PIIX4PMState
*s
= opaque
;
398 qbus_set_hotplug_handler(BUS(pci_bus
), DEVICE(s
), &error_abort
);
401 static void piix4_pm_machine_ready(Notifier
*n
, void *opaque
)
403 PIIX4PMState
*s
= container_of(n
, PIIX4PMState
, machine_ready
);
404 PCIDevice
*d
= PCI_DEVICE(s
);
405 MemoryRegion
*io_as
= pci_address_space_io(d
);
408 pci_conf
= d
->config
;
409 pci_conf
[0x5f] = 0x10 |
410 (memory_region_present(io_as
, 0x378) ? 0x80 : 0);
411 pci_conf
[0x63] = 0x60;
412 pci_conf
[0x67] = (memory_region_present(io_as
, 0x3f8) ? 0x08 : 0) |
413 (memory_region_present(io_as
, 0x2f8) ? 0x90 : 0);
415 if (s
->use_acpi_pci_hotplug
) {
416 pci_for_each_bus(d
->bus
, piix4_update_bus_hotplug
, s
);
418 piix4_update_bus_hotplug(d
->bus
, s
);
422 static void piix4_pm_add_propeties(PIIX4PMState
*s
)
424 static const uint8_t acpi_enable_cmd
= ACPI_ENABLE
;
425 static const uint8_t acpi_disable_cmd
= ACPI_DISABLE
;
426 static const uint32_t gpe0_blk
= GPE_BASE
;
427 static const uint32_t gpe0_blk_len
= GPE_LEN
;
428 static const uint16_t sci_int
= 9;
430 object_property_add_uint8_ptr(OBJECT(s
), ACPI_PM_PROP_ACPI_ENABLE_CMD
,
431 &acpi_enable_cmd
, NULL
);
432 object_property_add_uint8_ptr(OBJECT(s
), ACPI_PM_PROP_ACPI_DISABLE_CMD
,
433 &acpi_disable_cmd
, NULL
);
434 object_property_add_uint32_ptr(OBJECT(s
), ACPI_PM_PROP_GPE0_BLK
,
436 object_property_add_uint32_ptr(OBJECT(s
), ACPI_PM_PROP_GPE0_BLK_LEN
,
437 &gpe0_blk_len
, NULL
);
438 object_property_add_uint16_ptr(OBJECT(s
), ACPI_PM_PROP_SCI_INT
,
440 object_property_add_uint32_ptr(OBJECT(s
), ACPI_PM_PROP_PM_IO_BASE
,
444 static void piix4_pm_realize(PCIDevice
*dev
, Error
**errp
)
446 PIIX4PMState
*s
= PIIX4_PM(dev
);
449 pci_conf
= dev
->config
;
450 pci_conf
[0x06] = 0x80;
451 pci_conf
[0x07] = 0x02;
452 pci_conf
[0x09] = 0x00;
453 pci_conf
[0x3d] = 0x01; // interrupt pin 1
456 apm_init(dev
, &s
->apm
, apm_ctrl_changed
, s
);
458 if (!s
->smm_enabled
) {
459 /* Mark SMM as already inited to prevent SMM from running. KVM does not
460 * support SMM mode. */
461 pci_conf
[0x5B] = 0x02;
464 /* XXX: which specification is used ? The i82731AB has different
466 pci_conf
[0x90] = s
->smb_io_base
| 1;
467 pci_conf
[0x91] = s
->smb_io_base
>> 8;
468 pci_conf
[0xd2] = 0x09;
469 pm_smbus_init(DEVICE(dev
), &s
->smb
);
470 memory_region_set_enabled(&s
->smb
.io
, pci_conf
[0xd2] & 1);
471 memory_region_add_subregion(pci_address_space_io(dev
),
472 s
->smb_io_base
, &s
->smb
.io
);
474 memory_region_init(&s
->io
, OBJECT(s
), "piix4-pm", 64);
475 memory_region_set_enabled(&s
->io
, false);
476 memory_region_add_subregion(pci_address_space_io(dev
),
479 acpi_pm_tmr_init(&s
->ar
, pm_tmr_timer
, &s
->io
);
480 acpi_pm1_evt_init(&s
->ar
, pm_tmr_timer
, &s
->io
);
481 acpi_pm1_cnt_init(&s
->ar
, &s
->io
, s
->disable_s3
, s
->disable_s4
, s
->s4_val
);
482 acpi_gpe_init(&s
->ar
, GPE_LEN
);
484 s
->powerdown_notifier
.notify
= piix4_pm_powerdown_req
;
485 qemu_register_powerdown_notifier(&s
->powerdown_notifier
);
487 s
->machine_ready
.notify
= piix4_pm_machine_ready
;
488 qemu_add_machine_init_done_notifier(&s
->machine_ready
);
489 qemu_register_reset(piix4_reset
, s
);
491 piix4_acpi_system_hot_add_init(pci_address_space_io(dev
), dev
->bus
, s
);
493 piix4_pm_add_propeties(s
);
496 Object
*piix4_pm_find(void)
499 Object
*o
= object_resolve_path_type("", TYPE_PIIX4_PM
, &ambig
);
507 I2CBus
*piix4_pm_init(PCIBus
*bus
, int devfn
, uint32_t smb_io_base
,
508 qemu_irq sci_irq
, qemu_irq smi_irq
,
509 int smm_enabled
, DeviceState
**piix4_pm
)
514 dev
= DEVICE(pci_create(bus
, devfn
, TYPE_PIIX4_PM
));
515 qdev_prop_set_uint32(dev
, "smb_io_base", smb_io_base
);
522 s
->smi_irq
= smi_irq
;
523 s
->smm_enabled
= smm_enabled
;
525 s
->use_acpi_pci_hotplug
= false;
528 qdev_init_nofail(dev
);
533 static uint64_t gpe_readb(void *opaque
, hwaddr addr
, unsigned width
)
535 PIIX4PMState
*s
= opaque
;
536 uint32_t val
= acpi_gpe_ioport_readb(&s
->ar
, addr
);
538 PIIX4_DPRINTF("gpe read %" HWADDR_PRIx
" == %" PRIu32
"\n", addr
, val
);
542 static void gpe_writeb(void *opaque
, hwaddr addr
, uint64_t val
,
545 PIIX4PMState
*s
= opaque
;
547 acpi_gpe_ioport_writeb(&s
->ar
, addr
, val
);
548 acpi_update_sci(&s
->ar
, s
->irq
);
550 PIIX4_DPRINTF("gpe write %" HWADDR_PRIx
" <== %" PRIu64
"\n", addr
, val
);
553 static const MemoryRegionOps piix4_gpe_ops
= {
556 .valid
.min_access_size
= 1,
557 .valid
.max_access_size
= 4,
558 .impl
.min_access_size
= 1,
559 .impl
.max_access_size
= 1,
560 .endianness
= DEVICE_LITTLE_ENDIAN
,
563 static void piix4_acpi_system_hot_add_init(MemoryRegion
*parent
,
564 PCIBus
*bus
, PIIX4PMState
*s
)
566 memory_region_init_io(&s
->io_gpe
, OBJECT(s
), &piix4_gpe_ops
, s
,
567 "acpi-gpe0", GPE_LEN
);
568 memory_region_add_subregion(parent
, GPE_BASE
, &s
->io_gpe
);
570 acpi_pcihp_init(OBJECT(s
), &s
->acpi_pci_hotplug
, bus
, parent
,
571 s
->use_acpi_pci_hotplug
);
573 legacy_acpi_cpu_hotplug_init(parent
, OBJECT(s
), &s
->gpe_cpu
,
574 PIIX4_CPU_HOTPLUG_IO_BASE
);
576 if (s
->acpi_memory_hotplug
.is_enabled
) {
577 acpi_memory_hotplug_init(parent
, OBJECT(s
), &s
->acpi_memory_hotplug
);
581 static void piix4_ospm_status(AcpiDeviceIf
*adev
, ACPIOSTInfoList
***list
)
583 PIIX4PMState
*s
= PIIX4_PM(adev
);
585 acpi_memory_ospm_status(&s
->acpi_memory_hotplug
, list
);
588 static void piix4_send_gpe(AcpiDeviceIf
*adev
, AcpiEventStatusBits ev
)
590 PIIX4PMState
*s
= PIIX4_PM(adev
);
592 acpi_send_gpe_event(&s
->ar
, s
->irq
, ev
);
595 static Property piix4_pm_properties
[] = {
596 DEFINE_PROP_UINT32("smb_io_base", PIIX4PMState
, smb_io_base
, 0),
597 DEFINE_PROP_UINT8(ACPI_PM_PROP_S3_DISABLED
, PIIX4PMState
, disable_s3
, 0),
598 DEFINE_PROP_UINT8(ACPI_PM_PROP_S4_DISABLED
, PIIX4PMState
, disable_s4
, 0),
599 DEFINE_PROP_UINT8(ACPI_PM_PROP_S4_VAL
, PIIX4PMState
, s4_val
, 2),
600 DEFINE_PROP_BOOL("acpi-pci-hotplug-with-bridge-support", PIIX4PMState
,
601 use_acpi_pci_hotplug
, true),
602 DEFINE_PROP_BOOL("memory-hotplug-support", PIIX4PMState
,
603 acpi_memory_hotplug
.is_enabled
, true),
604 DEFINE_PROP_END_OF_LIST(),
607 static void piix4_pm_class_init(ObjectClass
*klass
, void *data
)
609 DeviceClass
*dc
= DEVICE_CLASS(klass
);
610 PCIDeviceClass
*k
= PCI_DEVICE_CLASS(klass
);
611 HotplugHandlerClass
*hc
= HOTPLUG_HANDLER_CLASS(klass
);
612 AcpiDeviceIfClass
*adevc
= ACPI_DEVICE_IF_CLASS(klass
);
614 k
->realize
= piix4_pm_realize
;
615 k
->config_write
= pm_write_config
;
616 k
->vendor_id
= PCI_VENDOR_ID_INTEL
;
617 k
->device_id
= PCI_DEVICE_ID_INTEL_82371AB_3
;
619 k
->class_id
= PCI_CLASS_BRIDGE_OTHER
;
621 dc
->vmsd
= &vmstate_acpi
;
622 dc
->props
= piix4_pm_properties
;
624 * Reason: part of PIIX4 southbridge, needs to be wired up,
625 * e.g. by mips_malta_init()
627 dc
->cannot_instantiate_with_device_add_yet
= true;
628 dc
->hotpluggable
= false;
629 hc
->plug
= piix4_device_plug_cb
;
630 hc
->unplug_request
= piix4_device_unplug_request_cb
;
631 hc
->unplug
= piix4_device_unplug_cb
;
632 adevc
->ospm_status
= piix4_ospm_status
;
633 adevc
->send_event
= piix4_send_gpe
;
636 static const TypeInfo piix4_pm_info
= {
637 .name
= TYPE_PIIX4_PM
,
638 .parent
= TYPE_PCI_DEVICE
,
639 .instance_size
= sizeof(PIIX4PMState
),
640 .class_init
= piix4_pm_class_init
,
641 .interfaces
= (InterfaceInfo
[]) {
642 { TYPE_HOTPLUG_HANDLER
},
643 { TYPE_ACPI_DEVICE_IF
},
648 static void piix4_pm_register_types(void)
650 type_register_static(&piix4_pm_info
);
653 type_init(piix4_pm_register_types
)