1 files changed, 50 insertions, 0 deletions
diff --git a/host/lib/include/flashrom.h b/host/lib/include/flashrom.h
new file mode 100644
index 00000000..560fbb0e
--- /dev/null
+++ b/host/lib/include/flashrom.h
@@ -0,0 +1,50 @@
+/* Copyright 2020 The Chromium OS Authors. All rights reserved.
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ *
+ * Host utilites to execute flashrom command.
+ */
+
+#include <stdint.h>
+
+#include "2return_codes.h"
+
+#define FLASHROM_PROGRAMMER_INTERNAL_AP "host"
+#define FLASHROM_PROGRAMMER_INTERNAL_EC "ec"
+
+/**
+ * Read using flashrom into an allocated buffer.
+ *
+ * @param programmer	The name of the programmer to use.  There are
+ *			named constants FLASHROM_PROGRAMMER_INTERNAL_AP
+ *			and FLASHROM_PROGRAMMER_INTERNAL_EC available
+ *			for the AP and EC respectively, or a custom
+ *			programmer string can be provided.
+ * @param region	The name of the fmap region to read, or NULL to
+ *			read the entire flash chip.
+ * @param data_out	Output parameter of allocated buffer to read into.
+ *			The caller should free the buffer.
+ * @param size_out	Output parameter of buffer size.
+ *
+ * @return VB2_SUCCESS on success, or a relevant error.
+ */
+vb2_error_t flashrom_read(const char *programmer, const char *region,
+			  uint8_t **data_out, uint32_t *size_out);
+
+/**
+ * Write using flashrom from a buffer.
+ *
+ * @param programmer	The name of the programmer to use.  There are
+ *			named constants FLASHROM_PROGRAMMER_INTERNAL_AP
+ *			and FLASHROM_PROGRAMMER_INTERNAL_EC available
+ *			for the AP and EC respectively, or a custom
+ *			programmer string can be provided.
+ * @param region	The name of the fmap region to write, or NULL to
+ *			write the entire flash chip.
+ * @param data		The buffer to write.
+ * @param size		The size of the buffer to write.
+ *
+ * @return VB2_SUCCESS on success, or a relevant error.
+ */
+vb2_error_t flashrom_write(const char *programmer, const char *region,
+			   uint8_t *data, uint32_t size);