qemu-e2k/include/hw/mem/memory-device.h
David Hildenbrand 18d11dc910 pc-dimm: move actual plug/unplug of a memory region to MemoryDevice
Registering the memory region for migration has do be done by the owner.
There could be cases, where we don't want to migrate the memory.

Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20180423165126.15441-8-david@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2018-05-07 10:00:02 -03:00

52 lines
1.6 KiB
C

/*
* Memory Device Interface
*
* Copyright (c) 2018 Red Hat, Inc.
*
* Authors:
* David Hildenbrand <david@redhat.com>
*
* This work is licensed under the terms of the GNU GPL, version 2 or later.
* See the COPYING file in the top-level directory.
*/
#ifndef MEMORY_DEVICE_H
#define MEMORY_DEVICE_H
#include "qom/object.h"
#include "hw/qdev.h"
#define TYPE_MEMORY_DEVICE "memory-device"
#define MEMORY_DEVICE_CLASS(klass) \
OBJECT_CLASS_CHECK(MemoryDeviceClass, (klass), TYPE_MEMORY_DEVICE)
#define MEMORY_DEVICE_GET_CLASS(obj) \
OBJECT_GET_CLASS(MemoryDeviceClass, (obj), TYPE_MEMORY_DEVICE)
#define MEMORY_DEVICE(obj) \
INTERFACE_CHECK(MemoryDeviceState, (obj), TYPE_MEMORY_DEVICE)
typedef struct MemoryDeviceState {
Object parent_obj;
} MemoryDeviceState;
typedef struct MemoryDeviceClass {
InterfaceClass parent_class;
uint64_t (*get_addr)(const MemoryDeviceState *md);
uint64_t (*get_plugged_size)(const MemoryDeviceState *md);
uint64_t (*get_region_size)(const MemoryDeviceState *md);
void (*fill_device_info)(const MemoryDeviceState *md,
MemoryDeviceInfo *info);
} MemoryDeviceClass;
MemoryDeviceInfoList *qmp_memory_device_list(void);
uint64_t get_plugged_memory_size(void);
uint64_t memory_device_get_free_addr(MachineState *ms, const uint64_t *hint,
uint64_t align, uint64_t size,
Error **errp);
void memory_device_plug_region(MachineState *ms, MemoryRegion *mr,
uint64_t addr);
void memory_device_unplug_region(MachineState *ms, MemoryRegion *mr);
#endif