include/hw/acpi/memory_hotplug.h

   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 /**
   9  * MemStatus:
  10  * @is_removing: the memory device in slot has been requested to be ejected.
  11  *
  12  * This structure stores memory device's status.
  13  */
  14 typedef struct MemStatus {
  15     DeviceState *dimm;
  16     bool is_enabled;
  17     bool is_inserting;
  18     bool is_removing;
  19     uint32_t ost_event;
  20     uint32_t ost_status;
  21 } MemStatus;
  22
  23 typedef struct MemHotplugState {
  24     bool is_enabled; /* true if memory hotplug is supported */
  25     MemoryRegion io;
  26     uint32_t selector;
  27     uint32_t dev_count;
  28     MemStatus *devs;
  29 } MemHotplugState;
  30
  31 void acpi_memory_hotplug_init(MemoryRegion *as, Object *owner,
  32                               MemHotplugState *state, uint16_t io_base);
  33
  34 void acpi_memory_plug_cb(HotplugHandler *hotplug_dev, MemHotplugState *mem_st,
  35                          DeviceState *dev, Error **errp);
  36 void acpi_memory_unplug_request_cb(HotplugHandler *hotplug_dev,
  37                                    MemHotplugState *mem_st,
  38                                    DeviceState *dev, Error **errp);
  39 void acpi_memory_unplug_cb(MemHotplugState *mem_st,
  40                            DeviceState *dev, Error **errp);
  41
  42 extern const VMStateDescription vmstate_memory_hotplug;
  43 #define VMSTATE_MEMORY_HOTPLUG(memhp, state) \
  44     VMSTATE_STRUCT(memhp, state, 1, \
  45                    vmstate_memory_hotplug, MemHotplugState)
  46
  47 void acpi_memory_ospm_status(MemHotplugState *mem_st, ACPIOSTInfoList ***list);
  48
  49 void build_memory_hotplug_aml(Aml *table, uint32_t nr_mem,
  50                               const char *res_root,
  51                               const char *event_handler_method);
  52 #endif