This patch adds pci_device_host_iommu_context() to expose HostIOMMUContext to vIOMMU emulators via pci layer.
Cc: Kevin Tian <kevin.t...@intel.com> Cc: Jacob Pan <jacob.jun....@linux.intel.com> Cc: Peter Xu <pet...@redhat.com> Cc: Eric Auger <eric.au...@redhat.com> Cc: Yi Sun <yi.y....@linux.intel.com> Cc: David Gibson <da...@gibson.dropbear.id.au> Cc: Michael S. Tsirkin <m...@redhat.com> Signed-off-by: Liu Yi L <yi.l....@intel.com> --- hw/pci/pci.c | 8 ++++++++ include/hw/pci/pci.h | 1 + 2 files changed, 9 insertions(+) diff --git a/hw/pci/pci.c b/hw/pci/pci.c index 3166cc3..288576f 100644 --- a/hw/pci/pci.c +++ b/hw/pci/pci.c @@ -2689,6 +2689,14 @@ AddressSpace *pci_device_iommu_address_space(PCIDevice *dev) return &address_space_memory; } +HostIOMMUContext *pci_device_host_iommu_context(PCIDevice *dev) +{ + if (dev && dev->host_iommu_fn) { + return dev->host_iommu_fn(dev); + } + return NULL; +} + void pci_setup_iommu(PCIBus *bus, PCIIOMMUFunc fn, void *opaque) { bus->iommu_fn = fn; diff --git a/include/hw/pci/pci.h b/include/hw/pci/pci.h index e44eefb..cb514d0 100644 --- a/include/hw/pci/pci.h +++ b/include/hw/pci/pci.h @@ -494,6 +494,7 @@ AddressSpace *pci_device_iommu_address_space(PCIDevice *dev); void pci_setup_iommu(PCIBus *bus, PCIIOMMUFunc fn, void *opaque); void pci_device_setup_iommu(PCIDevice *dev, PCIHostIOMMUFunc fn); void pci_device_unset_iommu(PCIDevice *dev); +HostIOMMUContext *pci_device_host_iommu_context(PCIDevice *dev); static inline void pci_set_byte(uint8_t *config, uint8_t val) -- 2.7.4