1 files changed, 51 insertions, 0 deletions
diff --git a/src/security/vboot/vbnv.h b/src/security/vboot/vbnv.h
new file mode 100644
index 0000000000..0288d0df4d
--- /dev/null
+++ b/src/security/vboot/vbnv.h
@@ -0,0 +1,51 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2016 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef __VBOOT_VBNV_H__
+#define __VBOOT_VBNV_H__
+
+#include <types.h>
+
+/* Generic functions */
+void read_vbnv(uint8_t *vbnv_copy);
+void save_vbnv(const uint8_t *vbnv_copy);
+int verify_vbnv(uint8_t *vbnv_copy);
+void regen_vbnv_crc(uint8_t *vbnv_copy);
+int get_recovery_mode_from_vbnv(void);
+void set_recovery_mode_into_vbnv(int recovery_reason);
+int vboot_wants_oprom(void);
+/* Initialize and read vbnv. This is used in the main vboot logic path. */
+void vbnv_init(uint8_t *vbnv_copy);
+/* Reset vbnv snapshot to a known state. */
+void vbnv_reset(uint8_t *vbnv_copy);
+
+/* CMOS backend */
+/* Initialize the vbnv cmos backing store. The vbnv_copy pointer is used for
+   optional temporary storage in the init function. */
+void vbnv_init_cmos(uint8_t *vbnv_copy);
+/* Return non-zero if cmos power was lost. */
+int vbnv_cmos_failed(void);
+void read_vbnv_cmos(uint8_t *vbnv_copy);
+void save_vbnv_cmos(const uint8_t *vbnv_copy);
+
+/* Flash backend */
+void read_vbnv_flash(uint8_t *vbnv_copy);
+void save_vbnv_flash(const uint8_t *vbnv_copy);
+
+/* EC backend */
+void read_vbnv_ec(uint8_t *vbnv_copy);
+void save_vbnv_ec(const uint8_t *vbnv_copy);
+
+#endif /* __VBOOT_VBNV_H__ */