OvmfPkg/QemuFwCfgLib: support QEMU's DMA-like fw_cfg access method

[mirror_edk2.git] / OvmfPkg / Library / QemuFwCfgLib / QemuFwCfgSec.c

diff --git a/OvmfPkg/Library/QemuFwCfgLib/QemuFwCfgSec.c b/OvmfPkg/Library/QemuFwCfgLib/QemuFwCfgSec.c
index 56c59ca3f01d6b6b33876163a895643741dfa916..465ccbe90dadce76c54974c495267bc0213e5e0b 100644 (file)
--- a/OvmfPkg/Library/QemuFwCfgLib/QemuFwCfgSec.c
+++ b/OvmfPkg/Library/QemuFwCfgLib/QemuFwCfgSec.c
@@ -79,3 +79,18 @@ InternalQemuFwCfgIsAvailable (
   //\r
   return TRUE;\r
 }\r
+\r
+/**\r
+  Returns a boolean indicating whether QEMU provides the DMA-like access method\r
+  for fw_cfg.\r
+\r
+  @retval    TRUE   The DMA-like access method is available.\r
+  @retval    FALSE  The DMA-like access method is unavailable.\r
+**/\r
+BOOLEAN\r
+InternalQemuFwCfgDmaIsAvailable (\r
+  VOID\r
+  )\r
+{\r
+  return FALSE;\r
+}\r