1 files changed, 120 insertions, 0 deletions
diff --git a/src/security/intel/stm/SmmStm.h b/src/security/intel/stm/SmmStm.h
new file mode 100644
index 0000000000..4f72816cae
--- /dev/null
+++ b/src/security/intel/stm/SmmStm.h
@@ -0,0 +1,120 @@
+/* @file
+ *  SMM STM support
+ *
+ *  Copyright (c) 2015 - 2016, Intel Corporation. All rights reserved.
+ *  This program and the accompanying materials are licensed and made
+ *  available under the terms and conditions of the BSD License which
+ *  accompanies this distribution.  The full text of the license may
+ *  be found at http://opensource.org/licenses/bsd-license.php.
+ *
+ * THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED
+ *
+ */
+
+#ifndef _SMM_STM_H_
+#define _SMM_STM_H_
+
+#include <cpu/x86/msr.h>
+#include "StmApi.h"
+
+/*
+ *  Load STM image.
+ *
+ *  @retval SUCCESS           STM is loaded to MSEG
+ *  @retval BUFFER_TOO_SMALL  MSEG is too small
+ *  @retval UNSUPPORTED       MSEG is not enabled
+ */
+int load_stm_image(uintptr_t mseg);
+
+void stm_setup(
+	uintptr_t mseg, int cpu, int num_cpus, uintptr_t smbase,
+	uintptr_t smbase_base, uint32_t offset32);
+
+/*
+ *  Add resources in list to database. Allocate new memory areas as needed.
+ *
+ *  @param resource_list  A pointer to resource list to be added
+ *  @param num_entries    Optional number of entries.
+ *			  If 0, list must be terminated by END_OF_RESOURCES.
+ *
+ *  @retval SUCCESS            If resources are added
+ *  @retval INVALID_PARAMETER  If nested procedure detected resource failure
+ *  @retval OUT_OF_RESOURCES    If nested procedure returned it and we cannot
+ *				allocate more areas.
+ */
+int add_pi_resource(STM_RSC *resource_list, uint32_t num_entries);
+
+/*
+ *  Delete resources in list to database.
+ *
+ *  @param resource_list  A pointer to resource list to be deleted
+ *			  NULL means delete all resources.
+ *  @param num_entries    Optional number of entries.
+ *			  If 0, list must be terminated by END_OF_RESOURCES.
+ *
+ *  @retval SUCCESS           If resources are deleted
+ *  @retval NVALID_PARAMETER  If nested procedure detected resource fail
+ */
+int delete_pi_resource(STM_RSC *resource_list, uint32_t num_entries);
+
+/*
+ *  Get BIOS resources.
+ *
+ *  @param resource_list  A pointer to resource list to be filled
+ *  @param resource_size  On input it means size of resource list input.
+ *			 On output it means size of resource list filled,
+ *			 or the size of resource list to be filled if
+ *			 size is too small.
+ *
+ *  @retval SUCCESS            If resources are returned.
+ *  @retval BUFFER_TOO_SMALL   If resource list buffer is too small to
+ *				hold the whole resources.
+ */
+int get_pi_resource(STM_RSC *resource_list, uint32_t *resource_size);
+
+/*
+ *  This function notifies the STM of a resource change.
+ *
+ *  @param stm_resource BIOS STM resource
+ */
+void notify_stm_resource_change(void *stm_resource);
+
+/*
+ *  This function returns the pointer to the STM BIOS resource list.
+ *
+ *  @return BIOS STM resource
+ */
+void *get_stm_resource(void);
+
+void setup_smm_descriptor(void *smbase, void *base_smbase, int32_t apic_id,
+				int32_t entry32_off);
+
+/*
+ *  Check STM image size.
+ *
+ *  @param stm_image      STM image
+ *  @param stm_image_size  STM image size
+ *
+ *  @retval true  check pass
+ *  @retval false check fail
+ */
+bool stm_check_stm_image(void *stm_image, uint32_t stm_image_size);
+
+/*
+ * Create 4G page table for STM.
+ * 4M Non-PAE page table in IA32 version.
+ *
+ *  @param page_table_base        The page table base in MSEG
+ */
+void stm_gen_4g_pagetable_ia32(uint32_t pagetable_base);
+
+/*
+ *  Create 4G page table for STM.
+ *  2M PAE page table in X64 version.
+ *
+ *  @param pagetable_base        The page table base in MSEG
+ */
+void stm_gen_4g_pagetable_x64(uint32_t pagetable_base);
+
+#endif