X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=blobdiff_plain;f=OvmfPkg%2FInclude%2FLibrary%2FMemEncryptSevLib.h;h=1e2ec8641d465851775dbff33883339b30ed57c2;hp=e5ebb4401818a5d1b824f783065c18be427a30c1;hb=61a044c6c15f5806a30ff23409ba5287d9d07163;hpb=cd66bd73169fd8cd094887febab03a196d1bd996;ds=sidebyside

diff --git a/OvmfPkg/Include/Library/MemEncryptSevLib.h b/OvmfPkg/Include/Library/MemEncryptSevLib.h
index e5ebb44018..1e2ec8641d 100644
--- a/OvmfPkg/Include/Library/MemEncryptSevLib.h
+++ b/OvmfPkg/Include/Library/MemEncryptSevLib.h
@@ -86,4 +86,27 @@ MemEncryptSevSetPageEncMask (
   IN UINTN                    NumPages,
   IN BOOLEAN                  Flush
   );
+
+
+/**
+  Locate the page range that covers the initial (pre-SMBASE-relocation) SMRAM
+  Save State Map.
+
+  @param[out] BaseAddress     The base address of the lowest-address page that
+                              covers the initial SMRAM Save State Map.
+
+  @param[out] NumberOfPages   The number of pages in the page range that covers
+                              the initial SMRAM Save State Map.
+
+  @retval RETURN_SUCCESS      BaseAddress and NumberOfPages have been set on
+                              output.
+
+  @retval RETURN_UNSUPPORTED  SMM is unavailable.
+**/
+RETURN_STATUS
+EFIAPI
+MemEncryptSevLocateInitialSmramSaveStateMapPages (
+  OUT UINTN *BaseAddress,
+  OUT UINTN *NumberOfPages
+  );
 #endif // _MEM_ENCRYPT_SEV_LIB_H_