[PATCH v3 1/3] hw/pci: Introduce pci_dma_memory_region() helper

["Philippe Mathieu-Daudé" <philmd@redhat.com>]

pci_get_address_space() returns an AddressSpace. In some
cases we want a MemoryRegion. Add the pci_dma_memory_region()
equivalent helper.

Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
---
 include/hw/pci/pci.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/include/hw/pci/pci.h b/include/hw/pci/pci.h
index d0f4266e372..5860f42e400 100644
--- a/include/hw/pci/pci.h
+++ b/include/hw/pci/pci.h
@@ -786,6 +786,11 @@ static inline AddressSpace *pci_get_address_space(PCIDevice *dev)
     return &dev->bus_master_as;
 }
 
+static inline MemoryRegion *pci_dma_memory_region(PCIDevice *dev)
+{
+    return &dev->bus_master_container_region;
+}
+
 /**
  * pci_dma_rw: Read from or write to an address space from PCI device.
  *
-- 
2.31.1