diff options
Diffstat (limited to 'qemu/hw/acpi/piix4.c')
| -rw-r--r-- | qemu/hw/acpi/piix4.c | 645 |
1 files changed, 0 insertions, 645 deletions
diff --git a/qemu/hw/acpi/piix4.c b/qemu/hw/acpi/piix4.c deleted file mode 100644 index 16abdf162..000000000 --- a/qemu/hw/acpi/piix4.c +++ /dev/null @@ -1,645 +0,0 @@ -/* - * ACPI implementation - * - * Copyright (c) 2006 Fabrice Bellard - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License version 2 as published by the Free Software Foundation. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, see <http://www.gnu.org/licenses/> - * - * Contributions after 2012-01-13 are licensed under the terms of the - * GNU GPL, version 2 or (at your option) any later version. - */ -#include "qemu/osdep.h" -#include "hw/hw.h" -#include "hw/i386/pc.h" -#include "hw/isa/apm.h" -#include "hw/i2c/pm_smbus.h" -#include "hw/pci/pci.h" -#include "hw/acpi/acpi.h" -#include "sysemu/sysemu.h" -#include "qapi/error.h" -#include "qemu/range.h" -#include "exec/ioport.h" -#include "hw/nvram/fw_cfg.h" -#include "exec/address-spaces.h" -#include "hw/acpi/piix4.h" -#include "hw/acpi/pcihp.h" -#include "hw/acpi/cpu_hotplug.h" -#include "hw/hotplug.h" -#include "hw/mem/pc-dimm.h" -#include "hw/acpi/memory_hotplug.h" -#include "hw/acpi/acpi_dev_interface.h" -#include "hw/xen/xen.h" - -//#define DEBUG - -#ifdef DEBUG -# define PIIX4_DPRINTF(format, ...) printf(format, ## __VA_ARGS__) -#else -# define PIIX4_DPRINTF(format, ...) do { } while (0) -#endif - -#define GPE_BASE 0xafe0 -#define GPE_LEN 4 - -struct pci_status { - uint32_t up; /* deprecated, maintained for migration compatibility */ - uint32_t down; -}; - -typedef struct PIIX4PMState { - /*< private >*/ - PCIDevice parent_obj; - /*< public >*/ - - MemoryRegion io; - uint32_t io_base; - - MemoryRegion io_gpe; - ACPIREGS ar; - - APMState apm; - - PMSMBus smb; - uint32_t smb_io_base; - - qemu_irq irq; - qemu_irq smi_irq; - int smm_enabled; - Notifier machine_ready; - Notifier powerdown_notifier; - - AcpiPciHpState acpi_pci_hotplug; - bool use_acpi_pci_hotplug; - - uint8_t disable_s3; - uint8_t disable_s4; - uint8_t s4_val; - - AcpiCpuHotplug gpe_cpu; - - MemHotplugState acpi_memory_hotplug; -} PIIX4PMState; - -#define TYPE_PIIX4_PM "PIIX4_PM" - -#define PIIX4_PM(obj) \ - OBJECT_CHECK(PIIX4PMState, (obj), TYPE_PIIX4_PM) - -static void piix4_acpi_system_hot_add_init(MemoryRegion *parent, - PCIBus *bus, PIIX4PMState *s); - -#define ACPI_ENABLE 0xf1 -#define ACPI_DISABLE 0xf0 - -static void pm_tmr_timer(ACPIREGS *ar) -{ - PIIX4PMState *s = container_of(ar, PIIX4PMState, ar); - acpi_update_sci(&s->ar, s->irq); -} - -static void apm_ctrl_changed(uint32_t val, void *arg) -{ - PIIX4PMState *s = arg; - PCIDevice *d = PCI_DEVICE(s); - - /* ACPI specs 3.0, 4.7.2.5 */ - acpi_pm1_cnt_update(&s->ar, val == ACPI_ENABLE, val == ACPI_DISABLE); - if (val == ACPI_ENABLE || val == ACPI_DISABLE) { - return; - } - - if (d->config[0x5b] & (1 << 1)) { - if (s->smi_irq) { - qemu_irq_raise(s->smi_irq); - } - } -} - -static void pm_io_space_update(PIIX4PMState *s) -{ - PCIDevice *d = PCI_DEVICE(s); - - s->io_base = le32_to_cpu(*(uint32_t *)(d->config + 0x40)); - s->io_base &= 0xffc0; - - memory_region_transaction_begin(); - memory_region_set_enabled(&s->io, d->config[0x80] & 1); - memory_region_set_address(&s->io, s->io_base); - memory_region_transaction_commit(); -} - -static void smbus_io_space_update(PIIX4PMState *s) -{ - PCIDevice *d = PCI_DEVICE(s); - - s->smb_io_base = le32_to_cpu(*(uint32_t *)(d->config + 0x90)); - s->smb_io_base &= 0xffc0; - - memory_region_transaction_begin(); - memory_region_set_enabled(&s->smb.io, d->config[0xd2] & 1); - memory_region_set_address(&s->smb.io, s->smb_io_base); - memory_region_transaction_commit(); -} - -static void pm_write_config(PCIDevice *d, - uint32_t address, uint32_t val, int len) -{ - pci_default_write_config(d, address, val, len); - if (range_covers_byte(address, len, 0x80) || - ranges_overlap(address, len, 0x40, 4)) { - pm_io_space_update((PIIX4PMState *)d); - } - if (range_covers_byte(address, len, 0xd2) || - ranges_overlap(address, len, 0x90, 4)) { - smbus_io_space_update((PIIX4PMState *)d); - } -} - -static int vmstate_acpi_post_load(void *opaque, int version_id) -{ - PIIX4PMState *s = opaque; - - pm_io_space_update(s); - return 0; -} - -#define VMSTATE_GPE_ARRAY(_field, _state) \ - { \ - .name = (stringify(_field)), \ - .version_id = 0, \ - .info = &vmstate_info_uint16, \ - .size = sizeof(uint16_t), \ - .flags = VMS_SINGLE | VMS_POINTER, \ - .offset = vmstate_offset_pointer(_state, _field, uint8_t), \ - } - -static const VMStateDescription vmstate_gpe = { - .name = "gpe", - .version_id = 1, - .minimum_version_id = 1, - .fields = (VMStateField[]) { - VMSTATE_GPE_ARRAY(sts, ACPIGPE), - VMSTATE_GPE_ARRAY(en, ACPIGPE), - VMSTATE_END_OF_LIST() - } -}; - -static const VMStateDescription vmstate_pci_status = { - .name = "pci_status", - .version_id = 1, - .minimum_version_id = 1, - .fields = (VMStateField[]) { - VMSTATE_UINT32(up, struct AcpiPciHpPciStatus), - VMSTATE_UINT32(down, struct AcpiPciHpPciStatus), - VMSTATE_END_OF_LIST() - } -}; - -static int acpi_load_old(QEMUFile *f, void *opaque, int version_id) -{ - PIIX4PMState *s = opaque; - int ret, i; - uint16_t temp; - - ret = pci_device_load(PCI_DEVICE(s), f); - if (ret < 0) { - return ret; - } - qemu_get_be16s(f, &s->ar.pm1.evt.sts); - qemu_get_be16s(f, &s->ar.pm1.evt.en); - qemu_get_be16s(f, &s->ar.pm1.cnt.cnt); - - ret = vmstate_load_state(f, &vmstate_apm, &s->apm, 1); - if (ret) { - return ret; - } - - timer_get(f, s->ar.tmr.timer); - qemu_get_sbe64s(f, &s->ar.tmr.overflow_time); - - qemu_get_be16s(f, (uint16_t *)s->ar.gpe.sts); - for (i = 0; i < 3; i++) { - qemu_get_be16s(f, &temp); - } - - qemu_get_be16s(f, (uint16_t *)s->ar.gpe.en); - for (i = 0; i < 3; i++) { - qemu_get_be16s(f, &temp); - } - - ret = vmstate_load_state(f, &vmstate_pci_status, - &s->acpi_pci_hotplug.acpi_pcihp_pci_status[ACPI_PCIHP_BSEL_DEFAULT], 1); - return ret; -} - -static bool vmstate_test_use_acpi_pci_hotplug(void *opaque, int version_id) -{ - PIIX4PMState *s = opaque; - return s->use_acpi_pci_hotplug; -} - -static bool vmstate_test_no_use_acpi_pci_hotplug(void *opaque, int version_id) -{ - PIIX4PMState *s = opaque; - return !s->use_acpi_pci_hotplug; -} - -static bool vmstate_test_use_memhp(void *opaque) -{ - PIIX4PMState *s = opaque; - return s->acpi_memory_hotplug.is_enabled; -} - -static const VMStateDescription vmstate_memhp_state = { - .name = "piix4_pm/memhp", - .version_id = 1, - .minimum_version_id = 1, - .minimum_version_id_old = 1, - .needed = vmstate_test_use_memhp, - .fields = (VMStateField[]) { - VMSTATE_MEMORY_HOTPLUG(acpi_memory_hotplug, PIIX4PMState), - VMSTATE_END_OF_LIST() - } -}; - -/* qemu-kvm 1.2 uses version 3 but advertised as 2 - * To support incoming qemu-kvm 1.2 migration, change version_id - * and minimum_version_id to 2 below (which breaks migration from - * qemu 1.2). - * - */ -static const VMStateDescription vmstate_acpi = { - .name = "piix4_pm", - .version_id = 3, - .minimum_version_id = 3, - .minimum_version_id_old = 1, - .load_state_old = acpi_load_old, - .post_load = vmstate_acpi_post_load, - .fields = (VMStateField[]) { - VMSTATE_PCI_DEVICE(parent_obj, PIIX4PMState), - VMSTATE_UINT16(ar.pm1.evt.sts, PIIX4PMState), - VMSTATE_UINT16(ar.pm1.evt.en, PIIX4PMState), - VMSTATE_UINT16(ar.pm1.cnt.cnt, PIIX4PMState), - VMSTATE_STRUCT(apm, PIIX4PMState, 0, vmstate_apm, APMState), - VMSTATE_TIMER_PTR(ar.tmr.timer, PIIX4PMState), - VMSTATE_INT64(ar.tmr.overflow_time, PIIX4PMState), - VMSTATE_STRUCT(ar.gpe, PIIX4PMState, 2, vmstate_gpe, ACPIGPE), - VMSTATE_STRUCT_TEST( - acpi_pci_hotplug.acpi_pcihp_pci_status[ACPI_PCIHP_BSEL_DEFAULT], - PIIX4PMState, - vmstate_test_no_use_acpi_pci_hotplug, - 2, vmstate_pci_status, - struct AcpiPciHpPciStatus), - VMSTATE_PCI_HOTPLUG(acpi_pci_hotplug, PIIX4PMState, - vmstate_test_use_acpi_pci_hotplug), - VMSTATE_END_OF_LIST() - }, - .subsections = (const VMStateDescription*[]) { - &vmstate_memhp_state, - NULL - } -}; - -static void piix4_reset(void *opaque) -{ - PIIX4PMState *s = opaque; - PCIDevice *d = PCI_DEVICE(s); - uint8_t *pci_conf = d->config; - - pci_conf[0x58] = 0; - pci_conf[0x59] = 0; - pci_conf[0x5a] = 0; - pci_conf[0x5b] = 0; - - pci_conf[0x40] = 0x01; /* PM io base read only bit */ - pci_conf[0x80] = 0; - - if (!s->smm_enabled) { - /* Mark SMM as already inited (until KVM supports SMM). */ - pci_conf[0x5B] = 0x02; - } - pm_io_space_update(s); - acpi_pcihp_reset(&s->acpi_pci_hotplug); -} - -static void piix4_pm_powerdown_req(Notifier *n, void *opaque) -{ - PIIX4PMState *s = container_of(n, PIIX4PMState, powerdown_notifier); - - assert(s != NULL); - acpi_pm1_evt_power_down(&s->ar); -} - -static void piix4_device_plug_cb(HotplugHandler *hotplug_dev, - DeviceState *dev, Error **errp) -{ - PIIX4PMState *s = PIIX4_PM(hotplug_dev); - - if (s->acpi_memory_hotplug.is_enabled && - object_dynamic_cast(OBJECT(dev), TYPE_PC_DIMM)) { - acpi_memory_plug_cb(&s->ar, s->irq, &s->acpi_memory_hotplug, dev, errp); - } else if (object_dynamic_cast(OBJECT(dev), TYPE_PCI_DEVICE)) { - acpi_pcihp_device_plug_cb(&s->ar, s->irq, &s->acpi_pci_hotplug, dev, - errp); - } else if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) { - acpi_cpu_plug_cb(&s->ar, s->irq, &s->gpe_cpu, dev, errp); - } else { - error_setg(errp, "acpi: device plug request for not supported device" - " type: %s", object_get_typename(OBJECT(dev))); - } -} - -static void piix4_device_unplug_request_cb(HotplugHandler *hotplug_dev, - DeviceState *dev, Error **errp) -{ - PIIX4PMState *s = PIIX4_PM(hotplug_dev); - - if (s->acpi_memory_hotplug.is_enabled && - object_dynamic_cast(OBJECT(dev), TYPE_PC_DIMM)) { - acpi_memory_unplug_request_cb(&s->ar, s->irq, &s->acpi_memory_hotplug, - dev, errp); - } else if (object_dynamic_cast(OBJECT(dev), TYPE_PCI_DEVICE)) { - acpi_pcihp_device_unplug_cb(&s->ar, s->irq, &s->acpi_pci_hotplug, dev, - errp); - } else { - error_setg(errp, "acpi: device unplug request for not supported device" - " type: %s", object_get_typename(OBJECT(dev))); - } -} - -static void piix4_device_unplug_cb(HotplugHandler *hotplug_dev, - DeviceState *dev, Error **errp) -{ - PIIX4PMState *s = PIIX4_PM(hotplug_dev); - - if (s->acpi_memory_hotplug.is_enabled && - object_dynamic_cast(OBJECT(dev), TYPE_PC_DIMM)) { - acpi_memory_unplug_cb(&s->acpi_memory_hotplug, dev, errp); - } else { - error_setg(errp, "acpi: device unplug for not supported device" - " type: %s", object_get_typename(OBJECT(dev))); - } -} - -static void piix4_update_bus_hotplug(PCIBus *pci_bus, void *opaque) -{ - PIIX4PMState *s = opaque; - - qbus_set_hotplug_handler(BUS(pci_bus), DEVICE(s), &error_abort); -} - -static void piix4_pm_machine_ready(Notifier *n, void *opaque) -{ - PIIX4PMState *s = container_of(n, PIIX4PMState, machine_ready); - PCIDevice *d = PCI_DEVICE(s); - MemoryRegion *io_as = pci_address_space_io(d); - uint8_t *pci_conf; - - pci_conf = d->config; - pci_conf[0x5f] = 0x10 | - (memory_region_present(io_as, 0x378) ? 0x80 : 0); - pci_conf[0x63] = 0x60; - pci_conf[0x67] = (memory_region_present(io_as, 0x3f8) ? 0x08 : 0) | - (memory_region_present(io_as, 0x2f8) ? 0x90 : 0); - - if (s->use_acpi_pci_hotplug) { - pci_for_each_bus(d->bus, piix4_update_bus_hotplug, s); - } else { - piix4_update_bus_hotplug(d->bus, s); - } -} - -static void piix4_pm_add_propeties(PIIX4PMState *s) -{ - static const uint8_t acpi_enable_cmd = ACPI_ENABLE; - static const uint8_t acpi_disable_cmd = ACPI_DISABLE; - static const uint32_t gpe0_blk = GPE_BASE; - static const uint32_t gpe0_blk_len = GPE_LEN; - static const uint16_t sci_int = 9; - - object_property_add_uint8_ptr(OBJECT(s), ACPI_PM_PROP_ACPI_ENABLE_CMD, - &acpi_enable_cmd, NULL); - object_property_add_uint8_ptr(OBJECT(s), ACPI_PM_PROP_ACPI_DISABLE_CMD, - &acpi_disable_cmd, NULL); - object_property_add_uint32_ptr(OBJECT(s), ACPI_PM_PROP_GPE0_BLK, - &gpe0_blk, NULL); - object_property_add_uint32_ptr(OBJECT(s), ACPI_PM_PROP_GPE0_BLK_LEN, - &gpe0_blk_len, NULL); - object_property_add_uint16_ptr(OBJECT(s), ACPI_PM_PROP_SCI_INT, - &sci_int, NULL); - object_property_add_uint32_ptr(OBJECT(s), ACPI_PM_PROP_PM_IO_BASE, - &s->io_base, NULL); -} - -static void piix4_pm_realize(PCIDevice *dev, Error **errp) -{ - PIIX4PMState *s = PIIX4_PM(dev); - uint8_t *pci_conf; - - pci_conf = dev->config; - pci_conf[0x06] = 0x80; - pci_conf[0x07] = 0x02; - pci_conf[0x09] = 0x00; - pci_conf[0x3d] = 0x01; // interrupt pin 1 - - /* APM */ - apm_init(dev, &s->apm, apm_ctrl_changed, s); - - if (!s->smm_enabled) { - /* Mark SMM as already inited to prevent SMM from running. KVM does not - * support SMM mode. */ - pci_conf[0x5B] = 0x02; - } - - /* XXX: which specification is used ? The i82731AB has different - mappings */ - pci_conf[0x90] = s->smb_io_base | 1; - pci_conf[0x91] = s->smb_io_base >> 8; - pci_conf[0xd2] = 0x09; - pm_smbus_init(DEVICE(dev), &s->smb); - memory_region_set_enabled(&s->smb.io, pci_conf[0xd2] & 1); - memory_region_add_subregion(pci_address_space_io(dev), - s->smb_io_base, &s->smb.io); - - memory_region_init(&s->io, OBJECT(s), "piix4-pm", 64); - memory_region_set_enabled(&s->io, false); - memory_region_add_subregion(pci_address_space_io(dev), - 0, &s->io); - - acpi_pm_tmr_init(&s->ar, pm_tmr_timer, &s->io); - acpi_pm1_evt_init(&s->ar, pm_tmr_timer, &s->io); - acpi_pm1_cnt_init(&s->ar, &s->io, s->disable_s3, s->disable_s4, s->s4_val); - acpi_gpe_init(&s->ar, GPE_LEN); - - s->powerdown_notifier.notify = piix4_pm_powerdown_req; - qemu_register_powerdown_notifier(&s->powerdown_notifier); - - s->machine_ready.notify = piix4_pm_machine_ready; - qemu_add_machine_init_done_notifier(&s->machine_ready); - qemu_register_reset(piix4_reset, s); - - piix4_acpi_system_hot_add_init(pci_address_space_io(dev), dev->bus, s); - - piix4_pm_add_propeties(s); -} - -Object *piix4_pm_find(void) -{ - bool ambig; - Object *o = object_resolve_path_type("", TYPE_PIIX4_PM, &ambig); - - if (ambig || !o) { - return NULL; - } - return o; -} - -I2CBus *piix4_pm_init(PCIBus *bus, int devfn, uint32_t smb_io_base, - qemu_irq sci_irq, qemu_irq smi_irq, - int smm_enabled, DeviceState **piix4_pm) -{ - DeviceState *dev; - PIIX4PMState *s; - - dev = DEVICE(pci_create(bus, devfn, TYPE_PIIX4_PM)); - qdev_prop_set_uint32(dev, "smb_io_base", smb_io_base); - if (piix4_pm) { - *piix4_pm = dev; - } - - s = PIIX4_PM(dev); - s->irq = sci_irq; - s->smi_irq = smi_irq; - s->smm_enabled = smm_enabled; - if (xen_enabled()) { - s->use_acpi_pci_hotplug = false; - } - - qdev_init_nofail(dev); - - return s->smb.smbus; -} - -static uint64_t gpe_readb(void *opaque, hwaddr addr, unsigned width) -{ - PIIX4PMState *s = opaque; - uint32_t val = acpi_gpe_ioport_readb(&s->ar, addr); - - PIIX4_DPRINTF("gpe read %" HWADDR_PRIx " == %" PRIu32 "\n", addr, val); - return val; -} - -static void gpe_writeb(void *opaque, hwaddr addr, uint64_t val, - unsigned width) -{ - PIIX4PMState *s = opaque; - - acpi_gpe_ioport_writeb(&s->ar, addr, val); - acpi_update_sci(&s->ar, s->irq); - - PIIX4_DPRINTF("gpe write %" HWADDR_PRIx " <== %" PRIu64 "\n", addr, val); -} - -static const MemoryRegionOps piix4_gpe_ops = { - .read = gpe_readb, - .write = gpe_writeb, - .valid.min_access_size = 1, - .valid.max_access_size = 4, - .impl.min_access_size = 1, - .impl.max_access_size = 1, - .endianness = DEVICE_LITTLE_ENDIAN, -}; - -static void piix4_acpi_system_hot_add_init(MemoryRegion *parent, - PCIBus *bus, PIIX4PMState *s) -{ - memory_region_init_io(&s->io_gpe, OBJECT(s), &piix4_gpe_ops, s, - "acpi-gpe0", GPE_LEN); - memory_region_add_subregion(parent, GPE_BASE, &s->io_gpe); - - acpi_pcihp_init(OBJECT(s), &s->acpi_pci_hotplug, bus, parent, - s->use_acpi_pci_hotplug); - - acpi_cpu_hotplug_init(parent, OBJECT(s), &s->gpe_cpu, - PIIX4_CPU_HOTPLUG_IO_BASE); - - if (s->acpi_memory_hotplug.is_enabled) { - acpi_memory_hotplug_init(parent, OBJECT(s), &s->acpi_memory_hotplug); - } -} - -static void piix4_ospm_status(AcpiDeviceIf *adev, ACPIOSTInfoList ***list) -{ - PIIX4PMState *s = PIIX4_PM(adev); - - acpi_memory_ospm_status(&s->acpi_memory_hotplug, list); -} - -static Property piix4_pm_properties[] = { - DEFINE_PROP_UINT32("smb_io_base", PIIX4PMState, smb_io_base, 0), - DEFINE_PROP_UINT8(ACPI_PM_PROP_S3_DISABLED, PIIX4PMState, disable_s3, 0), - DEFINE_PROP_UINT8(ACPI_PM_PROP_S4_DISABLED, PIIX4PMState, disable_s4, 0), - DEFINE_PROP_UINT8(ACPI_PM_PROP_S4_VAL, PIIX4PMState, s4_val, 2), - DEFINE_PROP_BOOL("acpi-pci-hotplug-with-bridge-support", PIIX4PMState, - use_acpi_pci_hotplug, true), - DEFINE_PROP_BOOL("memory-hotplug-support", PIIX4PMState, - acpi_memory_hotplug.is_enabled, true), - DEFINE_PROP_END_OF_LIST(), -}; - -static void piix4_pm_class_init(ObjectClass *klass, void *data) -{ - DeviceClass *dc = DEVICE_CLASS(klass); - PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); - HotplugHandlerClass *hc = HOTPLUG_HANDLER_CLASS(klass); - AcpiDeviceIfClass *adevc = ACPI_DEVICE_IF_CLASS(klass); - - k->realize = piix4_pm_realize; - k->config_write = pm_write_config; - k->vendor_id = PCI_VENDOR_ID_INTEL; - k->device_id = PCI_DEVICE_ID_INTEL_82371AB_3; - k->revision = 0x03; - k->class_id = PCI_CLASS_BRIDGE_OTHER; - dc->desc = "PM"; - dc->vmsd = &vmstate_acpi; - dc->props = piix4_pm_properties; - /* - * Reason: part of PIIX4 southbridge, needs to be wired up, - * e.g. by mips_malta_init() - */ - dc->cannot_instantiate_with_device_add_yet = true; - dc->hotpluggable = false; - hc->plug = piix4_device_plug_cb; - hc->unplug_request = piix4_device_unplug_request_cb; - hc->unplug = piix4_device_unplug_cb; - adevc->ospm_status = piix4_ospm_status; -} - -static const TypeInfo piix4_pm_info = { - .name = TYPE_PIIX4_PM, - .parent = TYPE_PCI_DEVICE, - .instance_size = sizeof(PIIX4PMState), - .class_init = piix4_pm_class_init, - .interfaces = (InterfaceInfo[]) { - { TYPE_HOTPLUG_HANDLER }, - { TYPE_ACPI_DEVICE_IF }, - { } - } -}; - -static void piix4_pm_register_types(void) -{ - type_register_static(&piix4_pm_info); -} - -type_init(piix4_pm_register_types) |