LXR qemu/include/hw/acpi/memory

   1#ifndef QEMU_HW_ACPI_MEMORY_HOTPLUG_H
   2#define QEMU_HW_ACPI_MEMORY_HOTPLUG_H
   3
   4#include "hw/qdev-core.h"
   5#include "hw/acpi/acpi.h"
   6#include "hw/acpi/aml-build.h"
   7
   8#define MEMORY_SLOT_SCAN_METHOD      "MSCN"
   9#define MEMORY_DEVICES_CONTAINER     "\\_SB.MHPC"
  10#define MEMORY_HOTPLUG_IO_LEN         24
  11
  12/**
  13 * MemStatus:
  14 * @is_removing: the memory device in slot has been requested to be ejected.
  15 *
  16 * This structure stores memory device's status.
  17 */
  18typedef struct MemStatus {
  19    DeviceState *dimm;
  20    bool is_enabled;
  21    bool is_inserting;
  22    bool is_removing;
  23    uint32_t ost_event;
  24    uint32_t ost_status;
  25} MemStatus;
  26
  27typedef struct MemHotplugState {
  28    bool is_enabled; /* true if memory hotplug is supported */
  29    MemoryRegion io;
  30    uint32_t selector;
  31    uint32_t dev_count;
  32    MemStatus *devs;
  33} MemHotplugState;
  34
  35void acpi_memory_hotplug_init(MemoryRegion *as, Object *owner,
  36                              MemHotplugState *state, hwaddr io_base);
  37
  38void acpi_memory_plug_cb(HotplugHandler *hotplug_dev, MemHotplugState *mem_st,
  39                         DeviceState *dev, Error **errp);
  40void acpi_memory_unplug_request_cb(HotplugHandler *hotplug_dev,
  41                                   MemHotplugState *mem_st,
  42                                   DeviceState *dev, Error **errp);
  43void acpi_memory_unplug_cb(MemHotplugState *mem_st,
  44                           DeviceState *dev, Error **errp);
  45
  46extern const VMStateDescription vmstate_memory_hotplug;
  47#define VMSTATE_MEMORY_HOTPLUG(memhp, state) \
  48    VMSTATE_STRUCT(memhp, state, 1, \
  49                   vmstate_memory_hotplug, MemHotplugState)
  50
  51void acpi_memory_ospm_status(MemHotplugState *mem_st, ACPIOSTInfoList ***list);
  52
  53void build_memory_hotplug_aml(Aml *table, uint32_t nr_mem,
  54                              const char *res_root,
  55                              const char *event_handler_method,
  56                              AmlRegionSpace rs, hwaddr memhp_io_base);
  57#endif
  58