3e35960bf1
A new subclass inheriting NVDIMMDevice is going to be introduced in subsequent patches. The new subclass uses the realize and unrealize callbacks. Add them on NVDIMMClass to appropriately call them as part of plug-unplug. Signed-off-by: Shivaprasad G Bhat <sbhat@linux.ibm.com> Acked-by: Daniel Henrique Barboza <danielhb413@gmail.com> Message-Id: <164396253158.109112.1926755104259023743.stgit@ltczzess4.aus.stglabs.ibm.com> Signed-off-by: Cédric Le Goater <clg@kaod.org>
74 lines
2 KiB
C
74 lines
2 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 <vasilis.liaskovitis@profitbricks.com>
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* Igor Mammedov <imammedo@redhat.com>
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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 "exec/memory.h"
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#include "hw/qdev-core.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,
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const uint64_t *legacy_align, 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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