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21#include "qemu/osdep.h"
22#include "hw/hw.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 "hw/nvram/fw_cfg.h"
32#include "exec/address-spaces.h"
33#include "hw/acpi/piix4.h"
34#include "hw/acpi/pcihp.h"
35#include "hw/acpi/cpu_hotplug.h"
36#include "hw/acpi/cpu.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"
42#include "qom/cpu.h"
43
44
45
46#ifdef DEBUG
47# define PIIX4_DPRINTF(format, ...) printf(format, ## __VA_ARGS__)
48#else
49# define PIIX4_DPRINTF(format, ...) do { } while (0)
50#endif
51
52#define GPE_BASE 0xafe0
53#define GPE_LEN 4
54
55struct pci_status {
56 uint32_t up;
57 uint32_t down;
58};
59
60typedef struct PIIX4PMState {
61
62 PCIDevice parent_obj;
63
64
65 MemoryRegion io;
66 uint32_t io_base;
67
68 MemoryRegion io_gpe;
69 ACPIREGS ar;
70
71 APMState apm;
72
73 PMSMBus smb;
74 uint32_t smb_io_base;
75
76 qemu_irq irq;
77 qemu_irq smi_irq;
78 int smm_enabled;
79 Notifier machine_ready;
80 Notifier powerdown_notifier;
81
82 AcpiPciHpState acpi_pci_hotplug;
83 bool use_acpi_pci_hotplug;
84
85 uint8_t disable_s3;
86 uint8_t disable_s4;
87 uint8_t s4_val;
88
89 bool cpu_hotplug_legacy;
90 AcpiCpuHotplug gpe_cpu;
91 CPUHotplugState cpuhp_state;
92
93 MemHotplugState acpi_memory_hotplug;
94} PIIX4PMState;
95
96#define TYPE_PIIX4_PM "PIIX4_PM"
97
98#define PIIX4_PM(obj) \
99 OBJECT_CHECK(PIIX4PMState, (obj), TYPE_PIIX4_PM)
100
101static void piix4_acpi_system_hot_add_init(MemoryRegion *parent,
102 PCIBus *bus, PIIX4PMState *s);
103
104#define ACPI_ENABLE 0xf1
105#define ACPI_DISABLE 0xf0
106
107static void pm_tmr_timer(ACPIREGS *ar)
108{
109 PIIX4PMState *s = container_of(ar, PIIX4PMState, ar);
110 acpi_update_sci(&s->ar, s->irq);
111}
112
113static void apm_ctrl_changed(uint32_t val, void *arg)
114{
115 PIIX4PMState *s = arg;
116 PCIDevice *d = PCI_DEVICE(s);
117
118
119 acpi_pm1_cnt_update(&s->ar, val == ACPI_ENABLE, val == ACPI_DISABLE);
120 if (val == ACPI_ENABLE || val == ACPI_DISABLE) {
121 return;
122 }
123
124 if (d->config[0x5b] & (1 << 1)) {
125 if (s->smi_irq) {
126 qemu_irq_raise(s->smi_irq);
127 }
128 }
129}
130
131static void pm_io_space_update(PIIX4PMState *s)
132{
133 PCIDevice *d = PCI_DEVICE(s);
134
135 s->io_base = le32_to_cpu(*(uint32_t *)(d->config + 0x40));
136 s->io_base &= 0xffc0;
137
138 memory_region_transaction_begin();
139 memory_region_set_enabled(&s->io, d->config[0x80] & 1);
140 memory_region_set_address(&s->io, s->io_base);
141 memory_region_transaction_commit();
142}
143
144static void smbus_io_space_update(PIIX4PMState *s)
145{
146 PCIDevice *d = PCI_DEVICE(s);
147
148 s->smb_io_base = le32_to_cpu(*(uint32_t *)(d->config + 0x90));
149 s->smb_io_base &= 0xffc0;
150
151 memory_region_transaction_begin();
152 memory_region_set_enabled(&s->smb.io, d->config[0xd2] & 1);
153 memory_region_set_address(&s->smb.io, s->smb_io_base);
154 memory_region_transaction_commit();
155}
156
157static void pm_write_config(PCIDevice *d,
158 uint32_t address, uint32_t val, int len)
159{
160 pci_default_write_config(d, address, val, len);
161 if (range_covers_byte(address, len, 0x80) ||
162 ranges_overlap(address, len, 0x40, 4)) {
163 pm_io_space_update((PIIX4PMState *)d);
164 }
165 if (range_covers_byte(address, len, 0xd2) ||
166 ranges_overlap(address, len, 0x90, 4)) {
167 smbus_io_space_update((PIIX4PMState *)d);
168 }
169}
170
171static int vmstate_acpi_post_load(void *opaque, int version_id)
172{
173 PIIX4PMState *s = opaque;
174
175 pm_io_space_update(s);
176 smbus_io_space_update(s);
177 return 0;
178}
179
180#define VMSTATE_GPE_ARRAY(_field, _state) \
181 { \
182 .name = (stringify(_field)), \
183 .version_id = 0, \
184 .info = &vmstate_info_uint16, \
185 .size = sizeof(uint16_t), \
186 .flags = VMS_SINGLE | VMS_POINTER, \
187 .offset = vmstate_offset_pointer(_state, _field, uint8_t), \
188 }
189
190static const VMStateDescription vmstate_gpe = {
191 .name = "gpe",
192 .version_id = 1,
193 .minimum_version_id = 1,
194 .fields = (VMStateField[]) {
195 VMSTATE_GPE_ARRAY(sts, ACPIGPE),
196 VMSTATE_GPE_ARRAY(en, ACPIGPE),
197 VMSTATE_END_OF_LIST()
198 }
199};
200
201static const VMStateDescription vmstate_pci_status = {
202 .name = "pci_status",
203 .version_id = 1,
204 .minimum_version_id = 1,
205 .fields = (VMStateField[]) {
206 VMSTATE_UINT32(up, struct AcpiPciHpPciStatus),
207 VMSTATE_UINT32(down, struct AcpiPciHpPciStatus),
208 VMSTATE_END_OF_LIST()
209 }
210};
211
212static int acpi_load_old(QEMUFile *f, void *opaque, int version_id)
213{
214 PIIX4PMState *s = opaque;
215 int ret, i;
216 uint16_t temp;
217
218 ret = pci_device_load(PCI_DEVICE(s), f);
219 if (ret < 0) {
220 return ret;
221 }
222 qemu_get_be16s(f, &s->ar.pm1.evt.sts);
223 qemu_get_be16s(f, &s->ar.pm1.evt.en);
224 qemu_get_be16s(f, &s->ar.pm1.cnt.cnt);
225
226 ret = vmstate_load_state(f, &vmstate_apm, &s->apm, 1);
227 if (ret) {
228 return ret;
229 }
230
231 timer_get(f, s->ar.tmr.timer);
232 qemu_get_sbe64s(f, &s->ar.tmr.overflow_time);
233
234 qemu_get_be16s(f, (uint16_t *)s->ar.gpe.sts);
235 for (i = 0; i < 3; i++) {
236 qemu_get_be16s(f, &temp);
237 }
238
239 qemu_get_be16s(f, (uint16_t *)s->ar.gpe.en);
240 for (i = 0; i < 3; i++) {
241 qemu_get_be16s(f, &temp);
242 }
243
244 ret = vmstate_load_state(f, &vmstate_pci_status,
245 &s->acpi_pci_hotplug.acpi_pcihp_pci_status[ACPI_PCIHP_BSEL_DEFAULT], 1);
246 return ret;
247}
248
249static bool vmstate_test_use_acpi_pci_hotplug(void *opaque, int version_id)
250{
251 PIIX4PMState *s = opaque;
252 return s->use_acpi_pci_hotplug;
253}
254
255static bool vmstate_test_no_use_acpi_pci_hotplug(void *opaque, int version_id)
256{
257 PIIX4PMState *s = opaque;
258 return !s->use_acpi_pci_hotplug;
259}
260
261static bool vmstate_test_use_memhp(void *opaque)
262{
263 PIIX4PMState *s = opaque;
264 return s->acpi_memory_hotplug.is_enabled;
265}
266
267static const VMStateDescription vmstate_memhp_state = {
268 .name = "piix4_pm/memhp",
269 .version_id = 1,
270 .minimum_version_id = 1,
271 .minimum_version_id_old = 1,
272 .needed = vmstate_test_use_memhp,
273 .fields = (VMStateField[]) {
274 VMSTATE_MEMORY_HOTPLUG(acpi_memory_hotplug, PIIX4PMState),
275 VMSTATE_END_OF_LIST()
276 }
277};
278
279static bool vmstate_test_use_cpuhp(void *opaque)
280{
281 PIIX4PMState *s = opaque;
282 return !s->cpu_hotplug_legacy;
283}
284
285static int vmstate_cpuhp_pre_load(void *opaque)
286{
287 Object *obj = OBJECT(opaque);
288 object_property_set_bool(obj, false, "cpu-hotplug-legacy", &error_abort);
289 return 0;
290}
291
292static const VMStateDescription vmstate_cpuhp_state = {
293 .name = "piix4_pm/cpuhp",
294 .version_id = 1,
295 .minimum_version_id = 1,
296 .minimum_version_id_old = 1,
297 .needed = vmstate_test_use_cpuhp,
298 .pre_load = vmstate_cpuhp_pre_load,
299 .fields = (VMStateField[]) {
300 VMSTATE_CPU_HOTPLUG(cpuhp_state, PIIX4PMState),
301 VMSTATE_END_OF_LIST()
302 }
303};
304
305
306
307
308
309
310
311static const VMStateDescription vmstate_acpi = {
312 .name = "piix4_pm",
313 .version_id = 3,
314 .minimum_version_id = 3,
315 .minimum_version_id_old = 1,
316 .load_state_old = acpi_load_old,
317 .post_load = vmstate_acpi_post_load,
318 .fields = (VMStateField[]) {
319 VMSTATE_PCI_DEVICE(parent_obj, PIIX4PMState),
320 VMSTATE_UINT16(ar.pm1.evt.sts, PIIX4PMState),
321 VMSTATE_UINT16(ar.pm1.evt.en, PIIX4PMState),
322 VMSTATE_UINT16(ar.pm1.cnt.cnt, PIIX4PMState),
323 VMSTATE_STRUCT(apm, PIIX4PMState, 0, vmstate_apm, APMState),
324 VMSTATE_TIMER_PTR(ar.tmr.timer, PIIX4PMState),
325 VMSTATE_INT64(ar.tmr.overflow_time, PIIX4PMState),
326 VMSTATE_STRUCT(ar.gpe, PIIX4PMState, 2, vmstate_gpe, ACPIGPE),
327 VMSTATE_STRUCT_TEST(
328 acpi_pci_hotplug.acpi_pcihp_pci_status[ACPI_PCIHP_BSEL_DEFAULT],
329 PIIX4PMState,
330 vmstate_test_no_use_acpi_pci_hotplug,
331 2, vmstate_pci_status,
332 struct AcpiPciHpPciStatus),
333 VMSTATE_PCI_HOTPLUG(acpi_pci_hotplug, PIIX4PMState,
334 vmstate_test_use_acpi_pci_hotplug),
335 VMSTATE_END_OF_LIST()
336 },
337 .subsections = (const VMStateDescription*[]) {
338 &vmstate_memhp_state,
339 &vmstate_cpuhp_state,
340 NULL
341 }
342};
343
344static void piix4_reset(void *opaque)
345{
346 PIIX4PMState *s = opaque;
347 PCIDevice *d = PCI_DEVICE(s);
348 uint8_t *pci_conf = d->config;
349
350 pci_conf[0x58] = 0;
351 pci_conf[0x59] = 0;
352 pci_conf[0x5a] = 0;
353 pci_conf[0x5b] = 0;
354
355 pci_conf[0x40] = 0x01;
356 pci_conf[0x80] = 0;
357
358 if (!s->smm_enabled) {
359
360 pci_conf[0x5B] = 0x02;
361 }
362 pm_io_space_update(s);
363 acpi_pcihp_reset(&s->acpi_pci_hotplug);
364}
365
366static void piix4_pm_powerdown_req(Notifier *n, void *opaque)
367{
368 PIIX4PMState *s = container_of(n, PIIX4PMState, powerdown_notifier);
369
370 assert(s != NULL);
371 acpi_pm1_evt_power_down(&s->ar);
372}
373
374static void piix4_device_plug_cb(HotplugHandler *hotplug_dev,
375 DeviceState *dev, Error **errp)
376{
377 PIIX4PMState *s = PIIX4_PM(hotplug_dev);
378
379 if (s->acpi_memory_hotplug.is_enabled &&
380 object_dynamic_cast(OBJECT(dev), TYPE_PC_DIMM)) {
381 if (object_dynamic_cast(OBJECT(dev), TYPE_NVDIMM)) {
382 nvdimm_acpi_plug_cb(hotplug_dev, dev);
383 } else {
384 acpi_memory_plug_cb(hotplug_dev, &s->acpi_memory_hotplug,
385 dev, errp);
386 }
387 } else if (object_dynamic_cast(OBJECT(dev), TYPE_PCI_DEVICE)) {
388 acpi_pcihp_device_plug_cb(hotplug_dev, &s->acpi_pci_hotplug, dev, errp);
389 } else if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) {
390 if (s->cpu_hotplug_legacy) {
391 legacy_acpi_cpu_plug_cb(hotplug_dev, &s->gpe_cpu, dev, errp);
392 } else {
393 acpi_cpu_plug_cb(hotplug_dev, &s->cpuhp_state, dev, errp);
394 }
395 } else {
396 error_setg(errp, "acpi: device plug request for not supported device"
397 " type: %s", object_get_typename(OBJECT(dev)));
398 }
399}
400
401static void piix4_device_unplug_request_cb(HotplugHandler *hotplug_dev,
402 DeviceState *dev, Error **errp)
403{
404 PIIX4PMState *s = PIIX4_PM(hotplug_dev);
405
406 if (s->acpi_memory_hotplug.is_enabled &&
407 object_dynamic_cast(OBJECT(dev), TYPE_PC_DIMM)) {
408 acpi_memory_unplug_request_cb(hotplug_dev, &s->acpi_memory_hotplug,
409 dev, errp);
410 } else if (object_dynamic_cast(OBJECT(dev), TYPE_PCI_DEVICE)) {
411 acpi_pcihp_device_unplug_cb(hotplug_dev, &s->acpi_pci_hotplug, dev,
412 errp);
413 } else if (object_dynamic_cast(OBJECT(dev), TYPE_CPU) &&
414 !s->cpu_hotplug_legacy) {
415 acpi_cpu_unplug_request_cb(hotplug_dev, &s->cpuhp_state, dev, errp);
416 } else {
417 error_setg(errp, "acpi: device unplug request for not supported device"
418 " type: %s", object_get_typename(OBJECT(dev)));
419 }
420}
421
422static void piix4_device_unplug_cb(HotplugHandler *hotplug_dev,
423 DeviceState *dev, Error **errp)
424{
425 PIIX4PMState *s = PIIX4_PM(hotplug_dev);
426
427 if (s->acpi_memory_hotplug.is_enabled &&
428 object_dynamic_cast(OBJECT(dev), TYPE_PC_DIMM)) {
429 acpi_memory_unplug_cb(&s->acpi_memory_hotplug, dev, errp);
430 } else if (object_dynamic_cast(OBJECT(dev), TYPE_CPU) &&
431 !s->cpu_hotplug_legacy) {
432 acpi_cpu_unplug_cb(&s->cpuhp_state, dev, errp);
433 } else {
434 error_setg(errp, "acpi: device unplug for not supported device"
435 " type: %s", object_get_typename(OBJECT(dev)));
436 }
437}
438
439static void piix4_update_bus_hotplug(PCIBus *pci_bus, void *opaque)
440{
441 PIIX4PMState *s = opaque;
442
443
444
445 qbus_set_hotplug_handler(BUS(pci_bus), DEVICE(s), &error_abort);
446}
447
448static void piix4_pm_machine_ready(Notifier *n, void *opaque)
449{
450 PIIX4PMState *s = container_of(n, PIIX4PMState, machine_ready);
451 PCIDevice *d = PCI_DEVICE(s);
452 MemoryRegion *io_as = pci_address_space_io(d);
453 uint8_t *pci_conf;
454
455 pci_conf = d->config;
456 pci_conf[0x5f] = 0x10 |
457 (memory_region_present(io_as, 0x378) ? 0x80 : 0);
458 pci_conf[0x63] = 0x60;
459 pci_conf[0x67] = (memory_region_present(io_as, 0x3f8) ? 0x08 : 0) |
460 (memory_region_present(io_as, 0x2f8) ? 0x90 : 0);
461
462 if (s->use_acpi_pci_hotplug) {
463 pci_for_each_bus(pci_get_bus(d), piix4_update_bus_hotplug, s);
464 } else {
465 piix4_update_bus_hotplug(pci_get_bus(d), s);
466 }
467}
468
469static void piix4_pm_add_propeties(PIIX4PMState *s)
470{
471 static const uint8_t acpi_enable_cmd = ACPI_ENABLE;
472 static const uint8_t acpi_disable_cmd = ACPI_DISABLE;
473 static const uint32_t gpe0_blk = GPE_BASE;
474 static const uint32_t gpe0_blk_len = GPE_LEN;
475 static const uint16_t sci_int = 9;
476
477 object_property_add_uint8_ptr(OBJECT(s), ACPI_PM_PROP_ACPI_ENABLE_CMD,
478 &acpi_enable_cmd, NULL);
479 object_property_add_uint8_ptr(OBJECT(s), ACPI_PM_PROP_ACPI_DISABLE_CMD,
480 &acpi_disable_cmd, NULL);
481 object_property_add_uint32_ptr(OBJECT(s), ACPI_PM_PROP_GPE0_BLK,
482 &gpe0_blk, NULL);
483 object_property_add_uint32_ptr(OBJECT(s), ACPI_PM_PROP_GPE0_BLK_LEN,
484 &gpe0_blk_len, NULL);
485 object_property_add_uint16_ptr(OBJECT(s), ACPI_PM_PROP_SCI_INT,
486 &sci_int, NULL);
487 object_property_add_uint32_ptr(OBJECT(s), ACPI_PM_PROP_PM_IO_BASE,
488 &s->io_base, NULL);
489}
490
491static void piix4_pm_realize(PCIDevice *dev, Error **errp)
492{
493 PIIX4PMState *s = PIIX4_PM(dev);
494 uint8_t *pci_conf;
495
496 pci_conf = dev->config;
497 pci_conf[0x06] = 0x80;
498 pci_conf[0x07] = 0x02;
499 pci_conf[0x09] = 0x00;
500 pci_conf[0x3d] = 0x01;
501
502
503 apm_init(dev, &s->apm, apm_ctrl_changed, s);
504
505 if (!s->smm_enabled) {
506
507
508 pci_conf[0x5B] = 0x02;
509 }
510
511
512
513 pci_conf[0x90] = s->smb_io_base | 1;
514 pci_conf[0x91] = s->smb_io_base >> 8;
515 pci_conf[0xd2] = 0x09;
516 pm_smbus_init(DEVICE(dev), &s->smb, true);
517 memory_region_set_enabled(&s->smb.io, pci_conf[0xd2] & 1);
518 memory_region_add_subregion(pci_address_space_io(dev),
519 s->smb_io_base, &s->smb.io);
520
521 memory_region_init(&s->io, OBJECT(s), "piix4-pm", 64);
522 memory_region_set_enabled(&s->io, false);
523 memory_region_add_subregion(pci_address_space_io(dev),
524 0, &s->io);
525
526 acpi_pm_tmr_init(&s->ar, pm_tmr_timer, &s->io);
527 acpi_pm1_evt_init(&s->ar, pm_tmr_timer, &s->io);
528 acpi_pm1_cnt_init(&s->ar, &s->io, s->disable_s3, s->disable_s4, s->s4_val);
529 acpi_gpe_init(&s->ar, GPE_LEN);
530
531 s->powerdown_notifier.notify = piix4_pm_powerdown_req;
532 qemu_register_powerdown_notifier(&s->powerdown_notifier);
533
534 s->machine_ready.notify = piix4_pm_machine_ready;
535 qemu_add_machine_init_done_notifier(&s->machine_ready);
536 qemu_register_reset(piix4_reset, s);
537
538 piix4_acpi_system_hot_add_init(pci_address_space_io(dev),
539 pci_get_bus(dev), s);
540
541 piix4_pm_add_propeties(s);
542}
543
544Object *piix4_pm_find(void)
545{
546 bool ambig;
547 Object *o = object_resolve_path_type("", TYPE_PIIX4_PM, &ambig);
548
549 if (ambig || !o) {
550 return NULL;
551 }
552 return o;
553}
554
555I2CBus *piix4_pm_init(PCIBus *bus, int devfn, uint32_t smb_io_base,
556 qemu_irq sci_irq, qemu_irq smi_irq,
557 int smm_enabled, DeviceState **piix4_pm)
558{
559 DeviceState *dev;
560 PIIX4PMState *s;
561
562 dev = DEVICE(pci_create(bus, devfn, TYPE_PIIX4_PM));
563 qdev_prop_set_uint32(dev, "smb_io_base", smb_io_base);
564 if (piix4_pm) {
565 *piix4_pm = dev;
566 }
567
568 s = PIIX4_PM(dev);
569 s->irq = sci_irq;
570 s->smi_irq = smi_irq;
571 s->smm_enabled = smm_enabled;
572 if (xen_enabled()) {
573 s->use_acpi_pci_hotplug = false;
574 }
575
576 qdev_init_nofail(dev);
577
578 return s->smb.smbus;
579}
580
581static uint64_t gpe_readb(void *opaque, hwaddr addr, unsigned width)
582{
583 PIIX4PMState *s = opaque;
584 uint32_t val = acpi_gpe_ioport_readb(&s->ar, addr);
585
586 PIIX4_DPRINTF("gpe read %" HWADDR_PRIx " == %" PRIu32 "\n", addr, val);
587 return val;
588}
589
590static void gpe_writeb(void *opaque, hwaddr addr, uint64_t val,
591 unsigned width)
592{
593 PIIX4PMState *s = opaque;
594
595 acpi_gpe_ioport_writeb(&s->ar, addr, val);
596 acpi_update_sci(&s->ar, s->irq);
597
598 PIIX4_DPRINTF("gpe write %" HWADDR_PRIx " <== %" PRIu64 "\n", addr, val);
599}
600
601static const MemoryRegionOps piix4_gpe_ops = {
602 .read = gpe_readb,
603 .write = gpe_writeb,
604 .valid.min_access_size = 1,
605 .valid.max_access_size = 4,
606 .impl.min_access_size = 1,
607 .impl.max_access_size = 1,
608 .endianness = DEVICE_LITTLE_ENDIAN,
609};
610
611
612static bool piix4_get_cpu_hotplug_legacy(Object *obj, Error **errp)
613{
614 PIIX4PMState *s = PIIX4_PM(obj);
615
616 return s->cpu_hotplug_legacy;
617}
618
619static void piix4_set_cpu_hotplug_legacy(Object *obj, bool value, Error **errp)
620{
621 PIIX4PMState *s = PIIX4_PM(obj);
622
623 assert(!value);
624 if (s->cpu_hotplug_legacy && value == false) {
625 acpi_switch_to_modern_cphp(&s->gpe_cpu, &s->cpuhp_state,
626 PIIX4_CPU_HOTPLUG_IO_BASE);
627 }
628 s->cpu_hotplug_legacy = value;
629}
630
631static void piix4_acpi_system_hot_add_init(MemoryRegion *parent,
632 PCIBus *bus, PIIX4PMState *s)
633{
634 memory_region_init_io(&s->io_gpe, OBJECT(s), &piix4_gpe_ops, s,
635 "acpi-gpe0", GPE_LEN);
636 memory_region_add_subregion(parent, GPE_BASE, &s->io_gpe);
637
638 acpi_pcihp_init(OBJECT(s), &s->acpi_pci_hotplug, bus, parent,
639 s->use_acpi_pci_hotplug);
640
641 s->cpu_hotplug_legacy = true;
642 object_property_add_bool(OBJECT(s), "cpu-hotplug-legacy",
643 piix4_get_cpu_hotplug_legacy,
644 piix4_set_cpu_hotplug_legacy,
645 NULL);
646 legacy_acpi_cpu_hotplug_init(parent, OBJECT(s), &s->gpe_cpu,
647 PIIX4_CPU_HOTPLUG_IO_BASE);
648
649 if (s->acpi_memory_hotplug.is_enabled) {
650 acpi_memory_hotplug_init(parent, OBJECT(s), &s->acpi_memory_hotplug,
651 ACPI_MEMORY_HOTPLUG_BASE);
652 }
653}
654
655static void piix4_ospm_status(AcpiDeviceIf *adev, ACPIOSTInfoList ***list)
656{
657 PIIX4PMState *s = PIIX4_PM(adev);
658
659 acpi_memory_ospm_status(&s->acpi_memory_hotplug, list);
660 if (!s->cpu_hotplug_legacy) {
661 acpi_cpu_ospm_status(&s->cpuhp_state, list);
662 }
663}
664
665static void piix4_send_gpe(AcpiDeviceIf *adev, AcpiEventStatusBits ev)
666{
667 PIIX4PMState *s = PIIX4_PM(adev);
668
669 acpi_send_gpe_event(&s->ar, s->irq, ev);
670}
671
672static Property piix4_pm_properties[] = {
673 DEFINE_PROP_UINT32("smb_io_base", PIIX4PMState, smb_io_base, 0),
674 DEFINE_PROP_UINT8(ACPI_PM_PROP_S3_DISABLED, PIIX4PMState, disable_s3, 0),
675 DEFINE_PROP_UINT8(ACPI_PM_PROP_S4_DISABLED, PIIX4PMState, disable_s4, 0),
676 DEFINE_PROP_UINT8(ACPI_PM_PROP_S4_VAL, PIIX4PMState, s4_val, 2),
677 DEFINE_PROP_BOOL("acpi-pci-hotplug-with-bridge-support", PIIX4PMState,
678 use_acpi_pci_hotplug, true),
679 DEFINE_PROP_BOOL("memory-hotplug-support", PIIX4PMState,
680 acpi_memory_hotplug.is_enabled, true),
681 DEFINE_PROP_END_OF_LIST(),
682};
683
684static void piix4_pm_class_init(ObjectClass *klass, void *data)
685{
686 DeviceClass *dc = DEVICE_CLASS(klass);
687 PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
688 HotplugHandlerClass *hc = HOTPLUG_HANDLER_CLASS(klass);
689 AcpiDeviceIfClass *adevc = ACPI_DEVICE_IF_CLASS(klass);
690
691 k->realize = piix4_pm_realize;
692 k->config_write = pm_write_config;
693 k->vendor_id = PCI_VENDOR_ID_INTEL;
694 k->device_id = PCI_DEVICE_ID_INTEL_82371AB_3;
695 k->revision = 0x03;
696 k->class_id = PCI_CLASS_BRIDGE_OTHER;
697 dc->desc = "PM";
698 dc->vmsd = &vmstate_acpi;
699 dc->props = piix4_pm_properties;
700
701
702
703
704 dc->user_creatable = false;
705 dc->hotpluggable = false;
706 hc->plug = piix4_device_plug_cb;
707 hc->unplug_request = piix4_device_unplug_request_cb;
708 hc->unplug = piix4_device_unplug_cb;
709 adevc->ospm_status = piix4_ospm_status;
710 adevc->send_event = piix4_send_gpe;
711 adevc->madt_cpu = pc_madt_cpu_entry;
712}
713
714static const TypeInfo piix4_pm_info = {
715 .name = TYPE_PIIX4_PM,
716 .parent = TYPE_PCI_DEVICE,
717 .instance_size = sizeof(PIIX4PMState),
718 .class_init = piix4_pm_class_init,
719 .interfaces = (InterfaceInfo[]) {
720 { TYPE_HOTPLUG_HANDLER },
721 { TYPE_ACPI_DEVICE_IF },
722 { INTERFACE_CONVENTIONAL_PCI_DEVICE },
723 { }
724 }
725};
726
727static void piix4_pm_register_types(void)
728{
729 type_register_static(&piix4_pm_info);
730}
731
732type_init(piix4_pm_register_types)
733
