LXR qemu/include/hw/acpi/ich9.h

   1/*
   2 * QEMU GMCH/ICH9 LPC PM Emulation
   3 *
   4 *  Copyright (c) 2009 Isaku Yamahata <yamahata at valinux co jp>
   5 *                     VA Linux Systems Japan K.K.
   6 *
   7 * This library is free software; you can redistribute it and/or
   8 * modify it under the terms of the GNU Lesser General Public
   9 * License as published by the Free Software Foundation; either
  10 * version 2 of the License, or (at your option) any later version.
  11 *
  12 * This library is distributed in the hope that it will be useful,
  13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15 * Lesser General Public License for more details.
  16 *
  17 * You should have received a copy of the GNU Lesser General Public
  18 * License along with this library; if not, see <http://www.gnu.org/licenses/>
  19 */
  20
  21#ifndef HW_ACPI_ICH9_H
  22#define HW_ACPI_ICH9_H
  23
  24#include "hw/acpi/acpi.h"
  25#include "hw/acpi/cpu_hotplug.h"
  26#include "hw/acpi/cpu.h"
  27#include "hw/acpi/memory_hotplug.h"
  28#include "hw/acpi/acpi_dev_interface.h"
  29#include "hw/acpi/tco.h"
  30
  31typedef struct ICH9LPCPMRegs {
  32    /*
  33     * In ich9 spec says that pm1_cnt register is 32bit width and
  34     * that the upper 16bits are reserved and unused.
  35     * PM1a_CNT_BLK = 2 in FADT so it is defined as uint16_t.
  36     */
  37    ACPIREGS acpi_regs;
  38
  39    MemoryRegion io;
  40    MemoryRegion io_gpe;
  41    MemoryRegion io_smi;
  42
  43    uint32_t smi_en;
  44    uint32_t smi_en_wmask;
  45    uint32_t smi_sts;
  46
  47    qemu_irq irq;      /* SCI */
  48
  49    uint32_t pm_io_base;
  50    Notifier powerdown_notifier;
  51
  52    bool cpu_hotplug_legacy;
  53    AcpiCpuHotplug gpe_cpu;
  54    CPUHotplugState cpuhp_state;
  55
  56    MemHotplugState acpi_memory_hotplug;
  57
  58    uint8_t disable_s3;
  59    uint8_t disable_s4;
  60    uint8_t s4_val;
  61    uint8_t smm_enabled;
  62    bool enable_tco;
  63    TCOIORegs tco_regs;
  64} ICH9LPCPMRegs;
  65
  66#define ACPI_PM_PROP_TCO_ENABLED "enable_tco"
  67
  68void ich9_pm_init(PCIDevice *lpc_pci, ICH9LPCPMRegs *pm,
  69                  bool smm_enabled,
  70                  qemu_irq sci_irq);
  71
  72void ich9_pm_iospace_update(ICH9LPCPMRegs *pm, uint32_t pm_io_base);
  73extern const VMStateDescription vmstate_ich9_pm;
  74
  75void ich9_pm_add_properties(Object *obj, ICH9LPCPMRegs *pm, Error **errp);
  76
  77void ich9_pm_device_plug_cb(HotplugHandler *hotplug_dev, DeviceState *dev,
  78                            Error **errp);
  79void ich9_pm_device_unplug_request_cb(HotplugHandler *hotplug_dev,
  80                                      DeviceState *dev, Error **errp);
  81void ich9_pm_device_unplug_cb(HotplugHandler *hotplug_dev, DeviceState *dev,
  82                              Error **errp);
  83
  84void ich9_pm_ospm_status(AcpiDeviceIf *adev, ACPIOSTInfoList ***list);
  85#endif /* HW_ACPI_ICH9_H */
  86