commit 05f7936dae3734d2c5148b7c6941d91f118caa17
author Imre Kis <imre.kis@arm.com> Wed Oct 27 20:01:41 2021 +0200
committer Gyorgy Szing <Gyorgy.Szing@arm.com> Fri Nov 26 05:05:42 2021 +0100
tree 14357d53ae2fe7f768446dbe56e2871a327f35ae
parent e64a810ce073897661042e22ae7dce2a6e7b577f

Create SMM variable MM service

Create MM service for handling SMM variable service calls. This layer
is called by the MM RPC layer and after parsing the SMM variable header
it forwards the call to underlying the RPC interface.

Signed-off-by: Imre Kis <imre.kis@arm.com>
Change-Id: I38c7d8957cc1fe91c5d6972e4ab8dbb96f51a865

protocols/service/smm_variable/parameters.h

diff --git a/protocols/service/smm_variable/parameters.h b/protocols/service/smm_variable/parameters.h
index bc4999e..24fab55 100644
--- a/protocols/service/smm_variable/parameters.h
+++ b/protocols/service/smm_variable/parameters.h
@@ -7,7 +7,8 @@
 #ifndef TS_SMM_VARIABLE_PARAMETERS_H
 #define TS_SMM_VARIABLE_PARAMETERS_H
 
-#include <protocols/common/efi/efi_types.h>
+#include "protocols/common/efi/efi_status.h"
+#include "protocols/common/efi/efi_types.h"
 
 /**
  * C/C++ definition of smm_variable service parameters
@@ -18,6 +19,18 @@
  */
 
 /**
+ * SMM variable call header
+ */
+typedef struct {
+	uint64_t Function;
+	efi_status_t ReturnStatus;
+	uint8_t Data[1];
+} SMM_VARIABLE_COMMUNICATE_HEADER;
+
+#define SMM_VARIABLE_COMMUNICATE_HEADER_SIZE \
+	offsetof(SMM_VARIABLE_COMMUNICATE_HEADER, Data)
+
+/**
  * Variable attributes
  */
 #define	EFI_VARIABLE_NON_VOLATILE							(0x00000001)