diff --git a/util/smmstoretool/data.c b/util/smmstoretool/data.c
index 41d3b75aba..5eca5f6a81 100644
--- a/util/smmstoretool/data.c
+++ b/util/smmstoretool/data.c
@@ -80,6 +80,9 @@ void print_data(const uint8_t data[], size_t data_size, enum data_type type)
 		printf("%s\n", chars);
 		free(chars);
 		break;
+	case DATA_TYPE_FILE:
+		fprintf(stderr, "File data type is input only\n");
+		break;
 	case DATA_TYPE_RAW:
 		fwrite(data, 1, data_size, stdout);
 		break;
@@ -115,6 +118,7 @@ void *make_data(const char source[], size_t *data_size, enum data_type type)
 	void *data;
 	bool boolean;
 	uint64_t uint;
+	struct mem_range_t file;
 	bool failed;
 
 	case DATA_TYPE_BOOL:
@@ -173,6 +177,16 @@ void *make_data(const char source[], size_t *data_size, enum data_type type)
 		return strdup(source);
 	case DATA_TYPE_UNICODE:
 		return to_uchars(source, data_size);
+	case DATA_TYPE_FILE:
+		file = map_file(source, /*rw=*/false);
+		if (file.start == NULL || file.length == 0)
+			return NULL;
+
+		*data_size = file.length;
+		data = xmalloc(*data_size);
+		memcpy(data, file.start, *data_size);
+		unmap_file(file);
+		return data;
 	case DATA_TYPE_RAW:
 		fprintf(stderr, "Raw data type is output only\n");
 		return NULL;
@@ -197,6 +211,8 @@ bool parse_data_type(const char str[], enum data_type *type)
 		*type = DATA_TYPE_ASCII;
 	else if (str_eq(str, "unicode"))
 		*type = DATA_TYPE_UNICODE;
+	else if (str_eq(str, "file"))
+		*type = DATA_TYPE_FILE;
 	else if (str_eq(str, "raw"))
 		*type = DATA_TYPE_RAW;
 	else
diff --git a/util/smmstoretool/data.h b/util/smmstoretool/data.h
index 58e6c7d7a6..9bd4506856 100644
--- a/util/smmstoretool/data.h
+++ b/util/smmstoretool/data.h
@@ -15,6 +15,7 @@ enum data_type {
 	DATA_TYPE_UINT64,
 	DATA_TYPE_ASCII,
 	DATA_TYPE_UNICODE,
+	DATA_TYPE_FILE,
 	DATA_TYPE_RAW,
 };
 
diff --git a/util/smmstoretool/main.c b/util/smmstoretool/main.c
index 89d58d619a..4092fc59dc 100644
--- a/util/smmstoretool/main.c
+++ b/util/smmstoretool/main.c
@@ -128,6 +128,7 @@ static void print_types(FILE *f)
 	fprintf(f, " * uint64 (0..2^64-1)\n");
 	fprintf(f, " * ascii (NUL-terminated)\n");
 	fprintf(f, " * unicode (widened and NUL-terminated)\n");
+	fprintf(f, " * file (input only; file contents as variable)\n");
 	fprintf(f, " * raw (output only; raw bytes on output)\n");
 }