diff options
Diffstat (limited to 'xen/drivers/passthrough/vtd/iommu.c')
| -rw-r--r-- | xen/drivers/passthrough/vtd/iommu.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/xen/drivers/passthrough/vtd/iommu.c b/xen/drivers/passthrough/vtd/iommu.c index fd3abcbcef..12e0165665 100644 --- a/xen/drivers/passthrough/vtd/iommu.c +++ b/xen/drivers/passthrough/vtd/iommu.c @@ -1433,6 +1433,15 @@ static int domain_context_mapping( switch ( pdev->type ) { + case DEV_TYPE_PCI_HOST_BRIDGE: + if ( iommu_verbose ) + dprintk(VTDPREFIX, "d%d:Hostbridge: skip %04x:%02x:%02x.%u map\n", + domain->domain_id, seg, bus, + PCI_SLOT(devfn), PCI_FUNC(devfn)); + if ( !is_hardware_domain(domain) ) + return -EPERM; + break; + case DEV_TYPE_PCIe_BRIDGE: case DEV_TYPE_PCIe2PCI_BRIDGE: case DEV_TYPE_LEGACY_PCI_BRIDGE: @@ -1563,6 +1572,15 @@ static int domain_context_unmap( switch ( pdev->type ) { + case DEV_TYPE_PCI_HOST_BRIDGE: + if ( iommu_verbose ) + dprintk(VTDPREFIX, "d%d:Hostbridge: skip %04x:%02x:%02x.%u unmap\n", + domain->domain_id, seg, bus, + PCI_SLOT(devfn), PCI_FUNC(devfn)); + if ( !is_hardware_domain(domain) ) + return -EPERM; + goto out; + case DEV_TYPE_PCIe_BRIDGE: case DEV_TYPE_PCIe2PCI_BRIDGE: case DEV_TYPE_LEGACY_PCI_BRIDGE: |