1 files changed, 47 insertions, 0 deletions
diff --git a/src/drivers/efi/efivars.h b/src/drivers/efi/efivars.h
new file mode 100644
index 0000000000..b3443b33b3
--- /dev/null
+++ b/src/drivers/efi/efivars.h
@@ -0,0 +1,47 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#ifndef _EDK2_OPTION_H_
+#define _EDK2_OPTION_H_
+
+#include <types.h>
+#include <commonlib/region.h>
+
+#include <vendorcode/intel/edk2/UDK2017/MdePkg/Include/Uefi/UefiBaseType.h>
+
+/**
+ * efi_fv_get_option
+ * Use the provided EFI variable store inside the region device as variable store.
+ * @rdev: the readable region to operate on
+ * @guid: the vendor guid to look for
+ * @name: the variable name to look for. NULL terminated.
+ * @dest: memory buffer to place the result into
+ * @size: on input the size of buffer pointed to by dest.
+ *        on output the number of bytes written.
+ */
+
+enum cb_err efi_fv_get_option(struct region_device *rdev,
+			      const EFI_GUID *guid,
+			      const char *name,
+			      void *dest,
+			      uint32_t *size);
+
+/**
+ * efi_fv_set_option
+ * Use the provided EFI variable store inside the region device as variable store.
+ * If the variable exists with the same size and contents, nothing will be written
+ * to the region device.
+ * @rdev: the read/writable region to operate on
+ * @guid: the vendor guid to write
+ * @name: the variable name to write. NULL terminated.
+ * @data: memory buffer where to read data from
+ * @size: the size of buffer pointed to by data
+ */
+enum cb_err efi_fv_set_option(struct region_device *rdev,
+			      const EFI_GUID *guid,
+			      const char *name,
+			      void *data,
+			      uint32_t size);
+
+enum cb_err efi_fv_print_options(struct region_device *rdev);
+
+#endif /* _EDK2_OPTION_H_ */