update code to eliminate the wrong assumption that pci address is equal to host addre...

[mirror_edk2.git] / MdeModulePkg / Bus / Pci / EhciDxe / UsbHcMem.h

diff --git a/MdeModulePkg/Bus/Pci/EhciDxe/UsbHcMem.h b/MdeModulePkg/Bus/Pci/EhciDxe/UsbHcMem.h
index 8152ce813ba8a29207d932af3f8de445feaeb591..ce0a78298f93e59b26038426ca9f2768976970a5 100644 (file)
--- a/MdeModulePkg/Bus/Pci/EhciDxe/UsbHcMem.h
+++ b/MdeModulePkg/Bus/Pci/EhciDxe/UsbHcMem.h
@@ -135,4 +135,21 @@ UsbHcFreeMem (
   IN VOID                 *Mem,\r
   IN UINTN                Size\r
   );\r
+\r
+/**\r
+  Get the pci memory address according to the allocated host memory address.\r
+\r
+  @param  Pool           The memory pool of the host controller.\r
+  @param  Mem            The memory to free.\r
+  @param  Size           The size of the memory to free.\r
+\r
+  @return the pci memory address\r
+**/\r
+EFI_PHYSICAL_ADDRESS\r
+UsbHcGetPciAddressForHostMem (\r
+  IN USBHC_MEM_POOL       *Pool,\r
+  IN VOID                 *Mem,\r
+  IN UINTN                Size\r
+  );\r
+\r
 #endif\r