51 lines
1.4 KiB
C
51 lines
1.4 KiB
C
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/*
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* VFIO BASE CONTAINER
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*
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* Copyright (C) 2023 Intel Corporation.
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* Copyright Red Hat, Inc. 2023
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*
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* Authors: Yi Liu <yi.l.liu@intel.com>
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* Eric Auger <eric.auger@redhat.com>
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*
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* SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#ifndef HW_VFIO_VFIO_CONTAINER_BASE_H
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#define HW_VFIO_VFIO_CONTAINER_BASE_H
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#include "exec/memory.h"
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typedef struct VFIODevice VFIODevice;
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typedef struct VFIOIOMMUOps VFIOIOMMUOps;
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typedef struct {
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unsigned long *bitmap;
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hwaddr size;
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hwaddr pages;
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} VFIOBitmap;
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/*
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* This is the base object for vfio container backends
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*/
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typedef struct VFIOContainerBase {
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const VFIOIOMMUOps *ops;
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} VFIOContainerBase;
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struct VFIOIOMMUOps {
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/* basic feature */
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int (*dma_map)(VFIOContainerBase *bcontainer,
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hwaddr iova, ram_addr_t size,
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void *vaddr, bool readonly);
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int (*dma_unmap)(VFIOContainerBase *bcontainer,
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hwaddr iova, ram_addr_t size,
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IOMMUTLBEntry *iotlb);
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int (*attach_device)(const char *name, VFIODevice *vbasedev,
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AddressSpace *as, Error **errp);
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void (*detach_device)(VFIODevice *vbasedev);
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/* migration feature */
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int (*set_dirty_page_tracking)(VFIOContainerBase *bcontainer, bool start);
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int (*query_dirty_bitmap)(VFIOContainerBase *bcontainer, VFIOBitmap *vbmap,
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hwaddr iova, hwaddr size);
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};
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#endif /* HW_VFIO_VFIO_CONTAINER_BASE_H */
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