diff mbox series

[v2,1/3] hw/pci: Introduce pci_dma_memory_region() helper

Message ID 20210819171547.2879725-2-philmd@redhat.com
State New
Headers show
Series hw/usb: Always expect 'dma' link property to be set to simplify | expand

Commit Message

Philippe Mathieu-Daudé Aug. 19, 2021, 5:15 p.m. UTC 
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 mbox series

Patch

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.
  *