blob: 38841d7b06544f0dd2f522c24643f5ceaaaeaf3e [file] [log] [blame]
#ifndef QEMU_HW_ACPI_MEMORY_HOTPLUG_H
#define QEMU_HW_ACPI_MEMORY_HOTPLUG_H
#include "qapi/qapi-types-acpi.h"
#include "hw/qdev-core.h"
#include "hw/acpi/acpi.h"
#include "hw/acpi/aml-build.h"
#define MEMORY_SLOT_SCAN_METHOD "MSCN"
#define MEMORY_DEVICES_CONTAINER "\\_SB.MHPC"
#define MEMORY_HOTPLUG_IO_LEN 24
/**
* MemStatus:
* @is_removing: the memory device in slot has been requested to be ejected.
*
* This structure stores memory device's status.
*/
typedef struct MemStatus {
DeviceState *dimm;
bool is_enabled;
bool is_inserting;
bool is_removing;
uint32_t ost_event;
uint32_t ost_status;
} MemStatus;
typedef struct MemHotplugState {
bool is_enabled; /* true if memory hotplug is supported */
MemoryRegion io;
uint32_t selector;
uint32_t dev_count;
MemStatus *devs;
} MemHotplugState;
void acpi_memory_hotplug_init(MemoryRegion *as, Object *owner,
MemHotplugState *state, hwaddr io_base);
void acpi_memory_plug_cb(HotplugHandler *hotplug_dev, MemHotplugState *mem_st,
DeviceState *dev, Error **errp);
void acpi_memory_unplug_request_cb(HotplugHandler *hotplug_dev,
MemHotplugState *mem_st,
DeviceState *dev, Error **errp);
void acpi_memory_unplug_cb(MemHotplugState *mem_st,
DeviceState *dev, Error **errp);
extern const VMStateDescription vmstate_memory_hotplug;
#define VMSTATE_MEMORY_HOTPLUG(memhp, state) \
VMSTATE_STRUCT(memhp, state, 1, \
vmstate_memory_hotplug, MemHotplugState)
void acpi_memory_ospm_status(MemHotplugState *mem_st, ACPIOSTInfoList ***list);
void build_memory_hotplug_aml(Aml *table, uint32_t nr_mem,
const char *res_root,
const char *event_handler_method,
AmlRegionSpace rs, hwaddr memhp_io_base);
#endif