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virtio-iommu: Implement set|unset]_iommu_device() callbacks

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Implement PCIIOMMUOPs [set|unset]_iommu_device() callbacks.
In set(), the HostIOMMUDevice handle is stored in a hash
table indexed by PCI BDF. The object will allow to retrieve
information related to the physical IOMMU.

Signed-off-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Zhenzhong Duan <zhenzhong.duan@intel.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Eric Auger 2024-06-14 11:52:52 +02:00 • committed by Cédric Le Goater
parent dc169694ca
commit 817ef10da2
2 changed files with 84 additions and 0 deletions
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2
include/hw/virtio/virtio-iommu.h
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@ -25,6 +25,7 @@
#include "hw/pci/pci.h"
#include "qom/object.h"
#include "qapi/qapi-types-virtio.h"
#include "sysemu/host_iommu_device.h"
#define TYPE_VIRTIO_IOMMU "virtio-iommu-device"
#define TYPE_VIRTIO_IOMMU_PCI "virtio-iommu-pci"
@ -57,6 +58,7 @@ struct VirtIOIOMMU {
struct virtio_iommu_config config;
uint64_t features;
GHashTable *as_by_busptr;
GHashTable *host_iommu_devices;
IOMMUPciBus *iommu_pcibus_by_bus_num[PCI_BUS_MAX];
PCIBus *primary_bus;
ReservedRegion *prop_resv_regions;