Yaya48
cf256aa081
Upstream: https://gitlab.com/qemu-project/qemu.git Upstream-Commit: d2e570cc0f97b936902a5b1b86b73c0f5998b475
73 lines
1.9 KiB
C
73 lines
1.9 KiB
C
/*
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* PC DIMM device
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*
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* Copyright ProfitBricks GmbH 2012
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* Copyright (C) 2013-2014 Red Hat Inc
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*
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* Authors:
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* Vasilis Liaskovitis <[email protected]>
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* Igor Mammedov <[email protected]>
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*
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* This work is licensed under the terms of the GNU GPL, version 2 or later.
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* See the COPYING file in the top-level directory.
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*
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*/
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#ifndef QEMU_PC_DIMM_H
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#define QEMU_PC_DIMM_H
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#include "system/memory.h"
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#include "hw/core/qdev.h"
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#include "qom/object.h"
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#define TYPE_PC_DIMM "pc-dimm"
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OBJECT_DECLARE_TYPE(PCDIMMDevice, PCDIMMDeviceClass,
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PC_DIMM)
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#define PC_DIMM_ADDR_PROP "addr"
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#define PC_DIMM_SLOT_PROP "slot"
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#define PC_DIMM_NODE_PROP "node"
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#define PC_DIMM_SIZE_PROP "size"
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#define PC_DIMM_MEMDEV_PROP "memdev"
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#define PC_DIMM_UNASSIGNED_SLOT -1
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/**
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* PCDIMMDevice:
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* @addr: starting guest physical address, where @PCDIMMDevice is mapped.
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* Default value: 0, means that address is auto-allocated.
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* @node: numa node to which @PCDIMMDevice is attached.
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* @slot: slot number into which @PCDIMMDevice is plugged in.
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* Default value: -1, means that slot is auto-allocated.
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* @hostmem: host memory backend providing memory for @PCDIMMDevice
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*/
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struct PCDIMMDevice {
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/* private */
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DeviceState parent_obj;
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/* public */
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uint64_t addr;
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uint32_t node;
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int32_t slot;
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HostMemoryBackend *hostmem;
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};
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/**
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* PCDIMMDeviceClass:
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* @realize: called after common dimm is realized so that the dimm based
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* devices get the chance to do specified operations.
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*/
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struct PCDIMMDeviceClass {
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/* private */
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DeviceClass parent_class;
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/* public */
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void (*realize)(PCDIMMDevice *dimm, Error **errp);
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void (*unrealize)(PCDIMMDevice *dimm);
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};
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void pc_dimm_pre_plug(PCDIMMDevice *dimm, MachineState *machine, Error **errp);
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void pc_dimm_plug(PCDIMMDevice *dimm, MachineState *machine);
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void pc_dimm_unplug(PCDIMMDevice *dimm, MachineState *machine);
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#endif
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