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84fd549619
pc_dimm_plug() doesn't use it. It only aborts on error. Drop @errp and adapt the callers accordingly. [dwg: Removed unused label to fix compile] Signed-off-by: Greg Kurz <groug@kaod.org> Message-Id: <160309728447.2739814.12831204841251148202.stgit@bahia.lan> Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Reviewed-by: Igor Mammedov <imammedo@redhat.com> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
78 lines
2.2 KiB
C
78 lines
2.2 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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* @get_vmstate_memory_region: returns #MemoryRegion which indicates the
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* memory of @dimm should be kept during live migration. Will not fail
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* after the device was realized.
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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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MemoryRegion *(*get_vmstate_memory_region)(PCDIMMDevice *dimm,
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Error **errp);
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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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