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 2.1 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.
22 #include "qemu/osdep.h"
23 #include "hw/i386/pc.h"
24 #include "hw/southbridge/piix.h"
26 #include "hw/isa/apm.h"
27 #include "hw/i2c/pm_smbus.h"
28 #include "hw/pci/pci.h"
29 #include "hw/qdev-properties.h"
30 #include "hw/acpi/acpi.h"
31 #include "hw/acpi/pcihp.h"
32 #include "hw/acpi/piix4.h"
33 #include "sysemu/runstate.h"
34 #include "sysemu/sysemu.h"
35 #include "sysemu/xen.h"
36 #include "qapi/error.h"
37 #include "qemu/range.h"
38 #include "hw/acpi/pcihp.h"
39 #include "hw/acpi/cpu_hotplug.h"
40 #include "hw/acpi/cpu.h"
41 #include "hw/hotplug.h"
42 #include "hw/mem/pc-dimm.h"
43 #include "hw/mem/nvdimm.h"
44 #include "hw/acpi/memory_hotplug.h"
45 #include "hw/acpi/acpi_dev_interface.h"
46 #include "migration/vmstate.h"
47 #include "hw/core/cpu.h"
49 #include "qom/object.h"
51 #define GPE_BASE 0xafe0
54 #define ACPI_PCIHP_ADDR_PIIX4 0xae00
57 uint32_t up
; /* deprecated, maintained for migration compatibility */
61 static void piix4_acpi_system_hot_add_init(MemoryRegion
*parent
,
62 PCIBus
*bus
, PIIX4PMState
*s
);
64 #define ACPI_ENABLE 0xf1
65 #define ACPI_DISABLE 0xf0
67 static void pm_tmr_timer(ACPIREGS
*ar
)
69 PIIX4PMState
*s
= container_of(ar
, PIIX4PMState
, ar
);
70 acpi_update_sci(&s
->ar
, s
->irq
);
73 static void apm_ctrl_changed(uint32_t val
, void *arg
)
75 PIIX4PMState
*s
= arg
;
76 PCIDevice
*d
= PCI_DEVICE(s
);
78 /* ACPI specs 3.0, 4.7.2.5 */
79 acpi_pm1_cnt_update(&s
->ar
, val
== ACPI_ENABLE
, val
== ACPI_DISABLE
);
80 if (val
== ACPI_ENABLE
|| val
== ACPI_DISABLE
) {
84 if (d
->config
[0x5b] & (1 << 1)) {
86 qemu_irq_raise(s
->smi_irq
);
91 static void pm_io_space_update(PIIX4PMState
*s
)
93 PCIDevice
*d
= PCI_DEVICE(s
);
95 s
->io_base
= le32_to_cpu(*(uint32_t *)(d
->config
+ 0x40));
98 memory_region_transaction_begin();
99 memory_region_set_enabled(&s
->io
, d
->config
[0x80] & 1);
100 memory_region_set_address(&s
->io
, s
->io_base
);
101 memory_region_transaction_commit();
104 static void smbus_io_space_update(PIIX4PMState
*s
)
106 PCIDevice
*d
= PCI_DEVICE(s
);
108 s
->smb_io_base
= le32_to_cpu(*(uint32_t *)(d
->config
+ 0x90));
109 s
->smb_io_base
&= 0xffc0;
111 memory_region_transaction_begin();
112 memory_region_set_enabled(&s
->smb
.io
, d
->config
[0xd2] & 1);
113 memory_region_set_address(&s
->smb
.io
, s
->smb_io_base
);
114 memory_region_transaction_commit();
117 static void pm_write_config(PCIDevice
*d
,
118 uint32_t address
, uint32_t val
, int len
)
120 pci_default_write_config(d
, address
, val
, len
);
121 if (range_covers_byte(address
, len
, 0x80) ||
122 ranges_overlap(address
, len
, 0x40, 4)) {
123 pm_io_space_update((PIIX4PMState
*)d
);
125 if (range_covers_byte(address
, len
, 0xd2) ||
126 ranges_overlap(address
, len
, 0x90, 4)) {
127 smbus_io_space_update((PIIX4PMState
*)d
);
131 static int vmstate_acpi_post_load(void *opaque
, int version_id
)
133 PIIX4PMState
*s
= opaque
;
135 pm_io_space_update(s
);
136 smbus_io_space_update(s
);
140 #define VMSTATE_GPE_ARRAY(_field, _state) \
142 .name = (stringify(_field)), \
144 .info = &vmstate_info_uint16, \
145 .size = sizeof(uint16_t), \
146 .flags = VMS_SINGLE | VMS_POINTER, \
147 .offset = vmstate_offset_pointer(_state, _field, uint8_t), \
150 static const VMStateDescription vmstate_gpe
= {
153 .minimum_version_id
= 1,
154 .fields
= (VMStateField
[]) {
155 VMSTATE_GPE_ARRAY(sts
, ACPIGPE
),
156 VMSTATE_GPE_ARRAY(en
, ACPIGPE
),
157 VMSTATE_END_OF_LIST()
161 static const VMStateDescription vmstate_pci_status
= {
162 .name
= "pci_status",
164 .minimum_version_id
= 1,
165 .fields
= (VMStateField
[]) {
166 VMSTATE_UINT32(up
, struct AcpiPciHpPciStatus
),
167 VMSTATE_UINT32(down
, struct AcpiPciHpPciStatus
),
168 VMSTATE_END_OF_LIST()
172 static bool vmstate_test_use_acpi_hotplug_bridge(void *opaque
, int version_id
)
174 PIIX4PMState
*s
= opaque
;
175 return s
->use_acpi_hotplug_bridge
;
178 static bool vmstate_test_no_use_acpi_hotplug_bridge(void *opaque
,
181 PIIX4PMState
*s
= opaque
;
182 return !s
->use_acpi_hotplug_bridge
;
185 static bool vmstate_test_use_memhp(void *opaque
)
187 PIIX4PMState
*s
= opaque
;
188 return s
->acpi_memory_hotplug
.is_enabled
;
191 static const VMStateDescription vmstate_memhp_state
= {
192 .name
= "piix4_pm/memhp",
194 .minimum_version_id
= 1,
195 .needed
= vmstate_test_use_memhp
,
196 .fields
= (VMStateField
[]) {
197 VMSTATE_MEMORY_HOTPLUG(acpi_memory_hotplug
, PIIX4PMState
),
198 VMSTATE_END_OF_LIST()
202 static bool vmstate_test_use_cpuhp(void *opaque
)
204 PIIX4PMState
*s
= opaque
;
205 return !s
->cpu_hotplug_legacy
;
208 static int vmstate_cpuhp_pre_load(void *opaque
)
210 Object
*obj
= OBJECT(opaque
);
211 object_property_set_bool(obj
, "cpu-hotplug-legacy", false, &error_abort
);
215 static const VMStateDescription vmstate_cpuhp_state
= {
216 .name
= "piix4_pm/cpuhp",
218 .minimum_version_id
= 1,
219 .needed
= vmstate_test_use_cpuhp
,
220 .pre_load
= vmstate_cpuhp_pre_load
,
221 .fields
= (VMStateField
[]) {
222 VMSTATE_CPU_HOTPLUG(cpuhp_state
, PIIX4PMState
),
223 VMSTATE_END_OF_LIST()
227 static bool piix4_vmstate_need_smbus(void *opaque
, int version_id
)
229 return pm_smbus_vmstate_needed();
233 * This is a fudge to turn off the acpi_index field,
234 * whose test was always broken on piix4 with 6.2 and older machine types.
236 static bool vmstate_test_migrate_acpi_index(void *opaque
, int version_id
)
238 PIIX4PMState
*s
= PIIX4_PM(opaque
);
239 return s
->use_acpi_hotplug_bridge
&& !s
->not_migrate_acpi_index
;
242 /* qemu-kvm 1.2 uses version 3 but advertised as 2
243 * To support incoming qemu-kvm 1.2 migration, change version_id
244 * and minimum_version_id to 2 below (which breaks migration from
248 static const VMStateDescription vmstate_acpi
= {
251 .minimum_version_id
= 3,
252 .post_load
= vmstate_acpi_post_load
,
253 .fields
= (VMStateField
[]) {
254 VMSTATE_PCI_DEVICE(parent_obj
, PIIX4PMState
),
255 VMSTATE_UINT16(ar
.pm1
.evt
.sts
, PIIX4PMState
),
256 VMSTATE_UINT16(ar
.pm1
.evt
.en
, PIIX4PMState
),
257 VMSTATE_UINT16(ar
.pm1
.cnt
.cnt
, PIIX4PMState
),
258 VMSTATE_STRUCT(apm
, PIIX4PMState
, 0, vmstate_apm
, APMState
),
259 VMSTATE_STRUCT_TEST(smb
, PIIX4PMState
, piix4_vmstate_need_smbus
, 3,
260 pmsmb_vmstate
, PMSMBus
),
261 VMSTATE_TIMER_PTR(ar
.tmr
.timer
, PIIX4PMState
),
262 VMSTATE_INT64(ar
.tmr
.overflow_time
, PIIX4PMState
),
263 VMSTATE_STRUCT(ar
.gpe
, PIIX4PMState
, 2, vmstate_gpe
, ACPIGPE
),
265 acpi_pci_hotplug
.acpi_pcihp_pci_status
[ACPI_PCIHP_BSEL_DEFAULT
],
267 vmstate_test_no_use_acpi_hotplug_bridge
,
268 2, vmstate_pci_status
,
269 struct AcpiPciHpPciStatus
),
270 VMSTATE_PCI_HOTPLUG(acpi_pci_hotplug
, PIIX4PMState
,
271 vmstate_test_use_acpi_hotplug_bridge
,
272 vmstate_test_migrate_acpi_index
),
273 VMSTATE_END_OF_LIST()
275 .subsections
= (const VMStateDescription
*[]) {
276 &vmstate_memhp_state
,
277 &vmstate_cpuhp_state
,
282 static void piix4_pm_reset(DeviceState
*dev
)
284 PIIX4PMState
*s
= PIIX4_PM(dev
);
285 PCIDevice
*d
= PCI_DEVICE(s
);
286 uint8_t *pci_conf
= d
->config
;
293 pci_conf
[0x40] = 0x01; /* PM io base read only bit */
296 if (!s
->smm_enabled
) {
297 /* Mark SMM as already inited (until KVM supports SMM). */
298 pci_conf
[0x5B] = 0x02;
301 acpi_pm1_evt_reset(&s
->ar
);
302 acpi_pm1_cnt_reset(&s
->ar
);
303 acpi_pm_tmr_reset(&s
->ar
);
304 acpi_gpe_reset(&s
->ar
);
305 acpi_update_sci(&s
->ar
, s
->irq
);
307 pm_io_space_update(s
);
308 acpi_pcihp_reset(&s
->acpi_pci_hotplug
, !s
->use_acpi_root_pci_hotplug
);
311 static void piix4_pm_powerdown_req(Notifier
*n
, void *opaque
)
313 PIIX4PMState
*s
= container_of(n
, PIIX4PMState
, powerdown_notifier
);
316 acpi_pm1_evt_power_down(&s
->ar
);
319 static void piix4_device_pre_plug_cb(HotplugHandler
*hotplug_dev
,
320 DeviceState
*dev
, Error
**errp
)
322 PIIX4PMState
*s
= PIIX4_PM(hotplug_dev
);
324 if (object_dynamic_cast(OBJECT(dev
), TYPE_PCI_DEVICE
)) {
325 acpi_pcihp_device_pre_plug_cb(hotplug_dev
, dev
, errp
);
326 } else if (object_dynamic_cast(OBJECT(dev
), TYPE_PC_DIMM
)) {
327 if (!s
->acpi_memory_hotplug
.is_enabled
) {
329 "memory hotplug is not enabled: %s.memory-hotplug-support "
330 "is not set", object_get_typename(OBJECT(s
)));
333 !object_dynamic_cast(OBJECT(dev
), TYPE_CPU
)) {
334 error_setg(errp
, "acpi: device pre plug request for not supported"
335 " device type: %s", object_get_typename(OBJECT(dev
)));
339 static void piix4_device_plug_cb(HotplugHandler
*hotplug_dev
,
340 DeviceState
*dev
, Error
**errp
)
342 PIIX4PMState
*s
= PIIX4_PM(hotplug_dev
);
344 if (object_dynamic_cast(OBJECT(dev
), TYPE_PC_DIMM
)) {
345 if (object_dynamic_cast(OBJECT(dev
), TYPE_NVDIMM
)) {
346 nvdimm_acpi_plug_cb(hotplug_dev
, dev
);
348 acpi_memory_plug_cb(hotplug_dev
, &s
->acpi_memory_hotplug
,
351 } else if (object_dynamic_cast(OBJECT(dev
), TYPE_PCI_DEVICE
)) {
352 acpi_pcihp_device_plug_cb(hotplug_dev
, &s
->acpi_pci_hotplug
, dev
, errp
);
353 } else if (object_dynamic_cast(OBJECT(dev
), TYPE_CPU
)) {
354 if (s
->cpu_hotplug_legacy
) {
355 legacy_acpi_cpu_plug_cb(hotplug_dev
, &s
->gpe_cpu
, dev
, errp
);
357 acpi_cpu_plug_cb(hotplug_dev
, &s
->cpuhp_state
, dev
, errp
);
360 g_assert_not_reached();
364 static void piix4_device_unplug_request_cb(HotplugHandler
*hotplug_dev
,
365 DeviceState
*dev
, Error
**errp
)
367 PIIX4PMState
*s
= PIIX4_PM(hotplug_dev
);
369 if (s
->acpi_memory_hotplug
.is_enabled
&&
370 object_dynamic_cast(OBJECT(dev
), TYPE_PC_DIMM
)) {
371 acpi_memory_unplug_request_cb(hotplug_dev
, &s
->acpi_memory_hotplug
,
373 } else if (object_dynamic_cast(OBJECT(dev
), TYPE_PCI_DEVICE
)) {
374 acpi_pcihp_device_unplug_request_cb(hotplug_dev
, &s
->acpi_pci_hotplug
,
376 } else if (object_dynamic_cast(OBJECT(dev
), TYPE_CPU
) &&
377 !s
->cpu_hotplug_legacy
) {
378 acpi_cpu_unplug_request_cb(hotplug_dev
, &s
->cpuhp_state
, dev
, errp
);
380 error_setg(errp
, "acpi: device unplug request for not supported device"
381 " type: %s", object_get_typename(OBJECT(dev
)));
385 static void piix4_device_unplug_cb(HotplugHandler
*hotplug_dev
,
386 DeviceState
*dev
, Error
**errp
)
388 PIIX4PMState
*s
= PIIX4_PM(hotplug_dev
);
390 if (s
->acpi_memory_hotplug
.is_enabled
&&
391 object_dynamic_cast(OBJECT(dev
), TYPE_PC_DIMM
)) {
392 acpi_memory_unplug_cb(&s
->acpi_memory_hotplug
, dev
, errp
);
393 } else if (object_dynamic_cast(OBJECT(dev
), TYPE_PCI_DEVICE
)) {
394 acpi_pcihp_device_unplug_cb(hotplug_dev
, &s
->acpi_pci_hotplug
, dev
,
396 } else if (object_dynamic_cast(OBJECT(dev
), TYPE_CPU
) &&
397 !s
->cpu_hotplug_legacy
) {
398 acpi_cpu_unplug_cb(&s
->cpuhp_state
, dev
, errp
);
400 error_setg(errp
, "acpi: device unplug for not supported device"
401 " type: %s", object_get_typename(OBJECT(dev
)));
405 static void piix4_pm_machine_ready(Notifier
*n
, void *opaque
)
407 PIIX4PMState
*s
= container_of(n
, PIIX4PMState
, machine_ready
);
408 PCIDevice
*d
= PCI_DEVICE(s
);
409 MemoryRegion
*io_as
= pci_address_space_io(d
);
412 pci_conf
= d
->config
;
413 pci_conf
[0x5f] = 0x10 |
414 (memory_region_present(io_as
, 0x378) ? 0x80 : 0);
415 pci_conf
[0x63] = 0x60;
416 pci_conf
[0x67] = (memory_region_present(io_as
, 0x3f8) ? 0x08 : 0) |
417 (memory_region_present(io_as
, 0x2f8) ? 0x90 : 0);
420 static void piix4_pm_add_properties(PIIX4PMState
*s
)
422 static const uint8_t acpi_enable_cmd
= ACPI_ENABLE
;
423 static const uint8_t acpi_disable_cmd
= ACPI_DISABLE
;
424 static const uint32_t gpe0_blk
= GPE_BASE
;
425 static const uint32_t gpe0_blk_len
= GPE_LEN
;
426 static const uint16_t sci_int
= 9;
428 object_property_add_uint8_ptr(OBJECT(s
), ACPI_PM_PROP_ACPI_ENABLE_CMD
,
429 &acpi_enable_cmd
, OBJ_PROP_FLAG_READ
);
430 object_property_add_uint8_ptr(OBJECT(s
), ACPI_PM_PROP_ACPI_DISABLE_CMD
,
431 &acpi_disable_cmd
, OBJ_PROP_FLAG_READ
);
432 object_property_add_uint32_ptr(OBJECT(s
), ACPI_PM_PROP_GPE0_BLK
,
433 &gpe0_blk
, OBJ_PROP_FLAG_READ
);
434 object_property_add_uint32_ptr(OBJECT(s
), ACPI_PM_PROP_GPE0_BLK_LEN
,
435 &gpe0_blk_len
, OBJ_PROP_FLAG_READ
);
436 object_property_add_uint16_ptr(OBJECT(s
), ACPI_PM_PROP_SCI_INT
,
437 &sci_int
, OBJ_PROP_FLAG_READ
);
438 object_property_add_uint32_ptr(OBJECT(s
), ACPI_PM_PROP_PM_IO_BASE
,
439 &s
->io_base
, OBJ_PROP_FLAG_READ
);
442 static void piix4_pm_realize(PCIDevice
*dev
, Error
**errp
)
444 PIIX4PMState
*s
= PIIX4_PM(dev
);
447 pci_conf
= dev
->config
;
448 pci_conf
[0x06] = 0x80;
449 pci_conf
[0x07] = 0x02;
450 pci_conf
[0x09] = 0x00;
451 pci_conf
[0x3d] = 0x01; // interrupt pin 1
454 apm_init(dev
, &s
->apm
, apm_ctrl_changed
, s
);
456 if (!s
->smm_enabled
) {
457 /* Mark SMM as already inited to prevent SMM from running. KVM does not
458 * support SMM mode. */
459 pci_conf
[0x5B] = 0x02;
462 /* XXX: which specification is used ? The i82731AB has different
464 pci_conf
[0x90] = s
->smb_io_base
| 1;
465 pci_conf
[0x91] = s
->smb_io_base
>> 8;
466 pci_conf
[0xd2] = 0x09;
467 pm_smbus_init(DEVICE(dev
), &s
->smb
, true);
468 memory_region_set_enabled(&s
->smb
.io
, pci_conf
[0xd2] & 1);
469 memory_region_add_subregion(pci_address_space_io(dev
),
470 s
->smb_io_base
, &s
->smb
.io
);
472 memory_region_init(&s
->io
, OBJECT(s
), "piix4-pm", 64);
473 memory_region_set_enabled(&s
->io
, false);
474 memory_region_add_subregion(pci_address_space_io(dev
),
477 acpi_pm_tmr_init(&s
->ar
, pm_tmr_timer
, &s
->io
);
478 acpi_pm1_evt_init(&s
->ar
, pm_tmr_timer
, &s
->io
);
479 acpi_pm1_cnt_init(&s
->ar
, &s
->io
, s
->disable_s3
, s
->disable_s4
, s
->s4_val
,
480 !s
->smm_compat
&& !s
->smm_enabled
);
481 acpi_gpe_init(&s
->ar
, GPE_LEN
);
483 s
->powerdown_notifier
.notify
= piix4_pm_powerdown_req
;
484 qemu_register_powerdown_notifier(&s
->powerdown_notifier
);
486 s
->machine_ready
.notify
= piix4_pm_machine_ready
;
487 qemu_add_machine_init_done_notifier(&s
->machine_ready
);
490 s
->use_acpi_hotplug_bridge
= false;
493 piix4_acpi_system_hot_add_init(pci_address_space_io(dev
),
494 pci_get_bus(dev
), s
);
495 qbus_set_hotplug_handler(BUS(pci_get_bus(dev
)), OBJECT(s
));
497 piix4_pm_add_properties(s
);
500 static void piix4_pm_init(Object
*obj
)
502 PIIX4PMState
*s
= PIIX4_PM(obj
);
504 qdev_init_gpio_out(DEVICE(obj
), &s
->irq
, 1);
505 qdev_init_gpio_out_named(DEVICE(obj
), &s
->smi_irq
, "smi-irq", 1);
508 static uint64_t gpe_readb(void *opaque
, hwaddr addr
, unsigned width
)
510 PIIX4PMState
*s
= opaque
;
511 uint32_t val
= acpi_gpe_ioport_readb(&s
->ar
, addr
);
513 trace_piix4_gpe_readb(addr
, width
, val
);
517 static void gpe_writeb(void *opaque
, hwaddr addr
, uint64_t val
,
520 PIIX4PMState
*s
= opaque
;
522 trace_piix4_gpe_writeb(addr
, width
, val
);
523 acpi_gpe_ioport_writeb(&s
->ar
, addr
, val
);
524 acpi_update_sci(&s
->ar
, s
->irq
);
527 static const MemoryRegionOps piix4_gpe_ops
= {
530 .valid
.min_access_size
= 1,
531 .valid
.max_access_size
= 4,
532 .impl
.min_access_size
= 1,
533 .impl
.max_access_size
= 1,
534 .endianness
= DEVICE_LITTLE_ENDIAN
,
538 static bool piix4_get_cpu_hotplug_legacy(Object
*obj
, Error
**errp
)
540 PIIX4PMState
*s
= PIIX4_PM(obj
);
542 return s
->cpu_hotplug_legacy
;
545 static void piix4_set_cpu_hotplug_legacy(Object
*obj
, bool value
, Error
**errp
)
547 PIIX4PMState
*s
= PIIX4_PM(obj
);
550 if (s
->cpu_hotplug_legacy
&& value
== false) {
551 acpi_switch_to_modern_cphp(&s
->gpe_cpu
, &s
->cpuhp_state
,
552 PIIX4_CPU_HOTPLUG_IO_BASE
);
554 s
->cpu_hotplug_legacy
= value
;
557 static void piix4_acpi_system_hot_add_init(MemoryRegion
*parent
,
558 PCIBus
*bus
, PIIX4PMState
*s
)
560 memory_region_init_io(&s
->io_gpe
, OBJECT(s
), &piix4_gpe_ops
, s
,
561 "acpi-gpe0", GPE_LEN
);
562 memory_region_add_subregion(parent
, GPE_BASE
, &s
->io_gpe
);
564 if (s
->use_acpi_hotplug_bridge
|| s
->use_acpi_root_pci_hotplug
) {
565 acpi_pcihp_init(OBJECT(s
), &s
->acpi_pci_hotplug
, bus
, parent
,
566 s
->use_acpi_hotplug_bridge
, ACPI_PCIHP_ADDR_PIIX4
);
569 s
->cpu_hotplug_legacy
= true;
570 object_property_add_bool(OBJECT(s
), "cpu-hotplug-legacy",
571 piix4_get_cpu_hotplug_legacy
,
572 piix4_set_cpu_hotplug_legacy
);
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
,
578 ACPI_MEMORY_HOTPLUG_BASE
);
582 static void piix4_ospm_status(AcpiDeviceIf
*adev
, ACPIOSTInfoList
***list
)
584 PIIX4PMState
*s
= PIIX4_PM(adev
);
586 acpi_memory_ospm_status(&s
->acpi_memory_hotplug
, list
);
587 if (!s
->cpu_hotplug_legacy
) {
588 acpi_cpu_ospm_status(&s
->cpuhp_state
, list
);
592 static void piix4_send_gpe(AcpiDeviceIf
*adev
, AcpiEventStatusBits ev
)
594 PIIX4PMState
*s
= PIIX4_PM(adev
);
596 acpi_send_gpe_event(&s
->ar
, s
->irq
, ev
);
599 static Property piix4_pm_properties
[] = {
600 DEFINE_PROP_UINT32("smb_io_base", PIIX4PMState
, smb_io_base
, 0),
601 DEFINE_PROP_UINT8(ACPI_PM_PROP_S3_DISABLED
, PIIX4PMState
, disable_s3
, 0),
602 DEFINE_PROP_UINT8(ACPI_PM_PROP_S4_DISABLED
, PIIX4PMState
, disable_s4
, 0),
603 DEFINE_PROP_UINT8(ACPI_PM_PROP_S4_VAL
, PIIX4PMState
, s4_val
, 2),
604 DEFINE_PROP_BOOL(ACPI_PM_PROP_ACPI_PCIHP_BRIDGE
, PIIX4PMState
,
605 use_acpi_hotplug_bridge
, true),
606 DEFINE_PROP_BOOL(ACPI_PM_PROP_ACPI_PCI_ROOTHP
, PIIX4PMState
,
607 use_acpi_root_pci_hotplug
, true),
608 DEFINE_PROP_BOOL("memory-hotplug-support", PIIX4PMState
,
609 acpi_memory_hotplug
.is_enabled
, true),
610 DEFINE_PROP_BOOL("smm-compat", PIIX4PMState
, smm_compat
, false),
611 DEFINE_PROP_BOOL("smm-enabled", PIIX4PMState
, smm_enabled
, false),
612 DEFINE_PROP_BOOL("x-not-migrate-acpi-index", PIIX4PMState
,
613 not_migrate_acpi_index
, false),
614 DEFINE_PROP_END_OF_LIST(),
617 static void piix4_pm_class_init(ObjectClass
*klass
, void *data
)
619 DeviceClass
*dc
= DEVICE_CLASS(klass
);
620 PCIDeviceClass
*k
= PCI_DEVICE_CLASS(klass
);
621 HotplugHandlerClass
*hc
= HOTPLUG_HANDLER_CLASS(klass
);
622 AcpiDeviceIfClass
*adevc
= ACPI_DEVICE_IF_CLASS(klass
);
624 k
->realize
= piix4_pm_realize
;
625 k
->config_write
= pm_write_config
;
626 k
->vendor_id
= PCI_VENDOR_ID_INTEL
;
627 k
->device_id
= PCI_DEVICE_ID_INTEL_82371AB_3
;
629 k
->class_id
= PCI_CLASS_BRIDGE_OTHER
;
630 dc
->reset
= piix4_pm_reset
;
632 dc
->vmsd
= &vmstate_acpi
;
633 device_class_set_props(dc
, piix4_pm_properties
);
635 * Reason: part of PIIX4 southbridge, needs to be wired up,
636 * e.g. by mips_malta_init()
638 dc
->user_creatable
= false;
639 dc
->hotpluggable
= false;
640 hc
->pre_plug
= piix4_device_pre_plug_cb
;
641 hc
->plug
= piix4_device_plug_cb
;
642 hc
->unplug_request
= piix4_device_unplug_request_cb
;
643 hc
->unplug
= piix4_device_unplug_cb
;
644 adevc
->ospm_status
= piix4_ospm_status
;
645 adevc
->send_event
= piix4_send_gpe
;
646 adevc
->madt_cpu
= pc_madt_cpu_entry
;
649 static const TypeInfo piix4_pm_info
= {
650 .name
= TYPE_PIIX4_PM
,
651 .parent
= TYPE_PCI_DEVICE
,
652 .instance_init
= piix4_pm_init
,
653 .instance_size
= sizeof(PIIX4PMState
),
654 .class_init
= piix4_pm_class_init
,
655 .interfaces
= (InterfaceInfo
[]) {
656 { TYPE_HOTPLUG_HANDLER
},
657 { TYPE_ACPI_DEVICE_IF
},
658 { INTERFACE_CONVENTIONAL_PCI_DEVICE
},
663 static void piix4_pm_register_types(void)
665 type_register_static(&piix4_pm_info
);
668 type_init(piix4_pm_register_types
)