1 files changed, 29 insertions, 0 deletions
diff --git a/ec_common.h b/ec_common.h
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index 0000000000..a7ce19b21c
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+++ b/ec_common.h
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+/* ec_common.h - Common includes for Chrome EC
+ *
+ * (Chromium license) */
+
+#ifndef __EC_COMMON_H
+#define __EC_COMMON_H
+
+#include <stdint.h>
+
+typedef int EcError;  /* Functions which return error return one of these */
+/* YJLOU: why not "typedef enum EcErrorListe EcError"? */
+
+/* List of common EcError codes that can be returned */
+enum EcErrorList {
+  /* Success - no error */
+  EC_SUCCESS = 0,
+  /* Unknown error */
+  EC_ERROR_UNKNOWN = 1,
+  /* Function not implemented yet */
+  EC_ERROR_UNIMPLEMENTED = 2,
+  /* Overflow error; too much input provided. */
+  EC_ERROR_OVERFLOW = 3,
+
+  /* Module-internal error codes may use this range.   */
+  EC_ERROR_INTERNAL_FIRST = 0x10000,
+  EC_ERROR_INTERNAL_LAST =  0x1FFFF
+};
+
+#endif  /* __EC_COMMON_H */