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vfio: Create host IOMMU device instance

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Create host IOMMU device instance in vfio_attach_device() and call
.realize() to initialize it further.

Introuduce attribute VFIOIOMMUClass::hiod_typename and initialize
it based on VFIO backend type. It will facilitate HostIOMMUDevice
creation in vfio_attach_device().

Suggested-by: Cédric Le Goater <clg@redhat.com>
Signed-off-by: Zhenzhong Duan <zhenzhong.duan@intel.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Zhenzhong Duan 2024-06-05 16:30:37 +08:00 • committed by Cédric Le Goater
parent 63c6e83ec2
commit a7fd91b876
5 changed files with 23 additions and 1 deletions
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1
include/hw/vfio/vfio-common.h
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@ -127,6 +127,7 @@ typedef struct VFIODevice {
OnOffAuto pre_copy_dirty_page_tracking;
bool dirty_pages_supported;
bool dirty_tracking;
HostIOMMUDevice *hiod;
int devid;
IOMMUFDBackend *iommufd;
} VFIODevice;