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961165122b
Add basic types and flags used by VFIO multifd device state transfer support. Since we'll be introducing a lot of multifd transfer specific code, add a new file migration-multifd.c to home it, wired into main VFIO migration code (migration.c) via migration-multifd.h header file. Signed-off-by: Maciej S. Szmigiero <maciej.szmigiero@oracle.com> Reviewed-by: Cédric Le Goater <clg@redhat.com> Link: https://lore.kernel.org/qemu-devel/4eedd529e6617f80f3d6a66d7268a0db2bc173fa.1741124640.git.maciej.szmigiero@oracle.com Signed-off-by: Cédric Le Goater <clg@redhat.com>
33 lines
829 B
C
33 lines
829 B
C
/*
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* Multifd VFIO migration
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*
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* Copyright (C) 2024,2025 Oracle and/or its affiliates.
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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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* SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#include "qemu/osdep.h"
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#include "hw/vfio/vfio-common.h"
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#include "migration/misc.h"
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#include "qapi/error.h"
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#include "qemu/error-report.h"
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#include "qemu/lockable.h"
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#include "qemu/main-loop.h"
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#include "qemu/thread.h"
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#include "migration/qemu-file.h"
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#include "migration-multifd.h"
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#include "trace.h"
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#define VFIO_DEVICE_STATE_CONFIG_STATE (1)
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#define VFIO_DEVICE_STATE_PACKET_VER_CURRENT (0)
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typedef struct VFIODeviceStatePacket {
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uint32_t version;
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uint32_t idx;
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uint32_t flags;
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uint8_t data[0];
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} QEMU_PACKED VFIODeviceStatePacket;
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