Pass the collected usable IOVA regions using the PCIIOMMUOps set_host_iova_ranges() callback, if implemented.
Signed-off-by: Eric Auger <eric.au...@redhat.com> --- hw/vfio/pci.c | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) diff --git a/hw/vfio/pci.c b/hw/vfio/pci.c index d7fe06715c..63937952bb 100644 --- a/hw/vfio/pci.c +++ b/hw/vfio/pci.c @@ -2485,6 +2485,28 @@ int vfio_pci_get_pci_hot_reset_info(VFIOPCIDevice *vdev, return 0; } +static int vfio_pci_set_iova_ranges(VFIOPCIDevice *vdev, Error **errp) +{ + VFIODevice *vbasedev = &vdev->vbasedev; + PCIDevice *pdev = &vdev->pdev; + VFIOContainerBase *bcontainer = vbasedev->bcontainer; + PCIBus *bus, *iommu_bus; + + if (!bcontainer->iova_ranges) { + return 0; + } + + bus = pci_get_bus(pdev); + iommu_bus = pci_device_iommu_bus(pdev); + if (iommu_bus && iommu_bus->iommu_ops && + iommu_bus->iommu_ops->set_host_iova_ranges) { + return iommu_bus->iommu_ops->set_host_iova_ranges( + bus, iommu_bus->iommu_opaque, + pdev->devfn, bcontainer->iova_ranges, errp); + } + return 0; +} + static int vfio_pci_hot_reset(VFIOPCIDevice *vdev, bool single) { VFIODevice *vbasedev = &vdev->vbasedev; @@ -3004,6 +3026,11 @@ static void vfio_realize(PCIDevice *pdev, Error **errp) goto error; } + ret = vfio_pci_set_iova_ranges(vdev, errp); + if (ret) { + goto error; + } + vfio_populate_device(vdev, &err); if (err) { error_propagate(errp, err); -- 2.41.0