1 files changed, 47 insertions, 0 deletions
diff --git a/OvmfPkg/Bhyve/Include/Library/BhyveFwCtlLib.h b/OvmfPkg/Bhyve/Include/Library/BhyveFwCtlLib.h
new file mode 100644
index 0000000000..13028ec4b5
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+++ b/OvmfPkg/Bhyve/Include/Library/BhyveFwCtlLib.h
@@ -0,0 +1,47 @@
+/** @file
+  bhyve firmware configuration access
+
+  Copyright (c) 2020, Rebecca Cran <rebecca@bsdio.com>
+  Copyright (c) 2015 Nahanni Systems
+
+  SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#ifndef __BHYVE_FW_CTL_LIB__
+#define __BHYVE_FW_CTL_LIB__
+
+/**
+  Sysctl-like interface to read host information via a dot-separated
+  ASCII OID.
+
+  The information is copied into the buffer specified by Item. The
+  size of the buffer is given by the location specified by Size
+  before the call, and that location gives the amount of data copied
+  after a successfull call, and after a call that returns a truncated
+  value with an error return of RETURN_BUFFER_TOO_SMALL.
+
+  The size of the available data can be determined by passing a NULL
+  argument for Item. The size will be returned in the location pointed
+  to by Size.
+
+  @param[]  Name    - ASCII OID name
+  @param[]  Data    - return buffer pointer
+  @param[]  Size    - pointer to length
+
+  @return    RETURN_SUCCESS          Valid data/len returned.
+          RETURN_UNSUPPORTED        f/w interface not present.
+          RETURN_NOT_FOUND      OID not found.
+        RETURN_BUFFER_TOO_SMALL      Return message truncated.
+        RETURN_INVALID_PARAMETER  Buffer too large
+        RETURN_PROTOCOL_ERROR     Unknown error from host
+ **/
+RETURN_STATUS
+EFIAPI
+BhyveFwCtlGet (
+  IN   CONST CHAR8    *Name,
+  OUT  VOID        *Item,
+  IN OUT  UINTN        *Size
+  );
+
+#endif