qemu-e2k/include/hw/mem/pc-dimm.h
Greg Kurz 84fd549619 pc-dimm: Drop @errp argument of pc_dimm_plug()
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>
2020-10-28 01:08:53 +11:00

78 lines
2.2 KiB
C

/*
* PC DIMM device
*
* Copyright ProfitBricks GmbH 2012
* Copyright (C) 2013-2014 Red Hat Inc
*
* Authors:
* Vasilis Liaskovitis <vasilis.liaskovitis@profitbricks.com>
* Igor Mammedov <imammedo@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 QEMU_PC_DIMM_H
#define QEMU_PC_DIMM_H
#include "exec/memory.h"
#include "hw/qdev-core.h"
#include "qom/object.h"
#define TYPE_PC_DIMM "pc-dimm"
OBJECT_DECLARE_TYPE(PCDIMMDevice, PCDIMMDeviceClass,
PC_DIMM)
#define PC_DIMM_ADDR_PROP "addr"
#define PC_DIMM_SLOT_PROP "slot"
#define PC_DIMM_NODE_PROP "node"
#define PC_DIMM_SIZE_PROP "size"
#define PC_DIMM_MEMDEV_PROP "memdev"
#define PC_DIMM_UNASSIGNED_SLOT -1
/**
* PCDIMMDevice:
* @addr: starting guest physical address, where @PCDIMMDevice is mapped.
* Default value: 0, means that address is auto-allocated.
* @node: numa node to which @PCDIMMDevice is attached.
* @slot: slot number into which @PCDIMMDevice is plugged in.
* Default value: -1, means that slot is auto-allocated.
* @hostmem: host memory backend providing memory for @PCDIMMDevice
*/
struct PCDIMMDevice {
/* private */
DeviceState parent_obj;
/* public */
uint64_t addr;
uint32_t node;
int32_t slot;
HostMemoryBackend *hostmem;
};
/**
* PCDIMMDeviceClass:
* @realize: called after common dimm is realized so that the dimm based
* devices get the chance to do specified operations.
* @get_vmstate_memory_region: returns #MemoryRegion which indicates the
* memory of @dimm should be kept during live migration. Will not fail
* after the device was realized.
*/
struct PCDIMMDeviceClass {
/* private */
DeviceClass parent_class;
/* public */
void (*realize)(PCDIMMDevice *dimm, Error **errp);
MemoryRegion *(*get_vmstate_memory_region)(PCDIMMDevice *dimm,
Error **errp);
};
void pc_dimm_pre_plug(PCDIMMDevice *dimm, MachineState *machine,
const uint64_t *legacy_align, Error **errp);
void pc_dimm_plug(PCDIMMDevice *dimm, MachineState *machine);
void pc_dimm_unplug(PCDIMMDevice *dimm, MachineState *machine);
#endif