1 files changed, 41 insertions, 0 deletions
diff --git a/roms/skiboot/include/prd-fw-msg.h b/roms/skiboot/include/prd-fw-msg.h
new file mode 100644
index 000000000..d0e5385ff
--- /dev/null
+++ b/roms/skiboot/include/prd-fw-msg.h
@@ -0,0 +1,41 @@
+// SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
+/* Copyright 2017-2019 IBM Corp. */
+
+#ifndef __PRD_FW_MSG_H
+#define __PRD_FW_MSG_H
+
+#include <types.h>
+
+/* Messaging structure for the opaque channel between OPAL and HBRT. This
+ * format is used for the firmware_request and firmware_notify interfaces
+ */
+enum {
+	PRD_FW_MSG_TYPE_REQ_NOP = 0,
+	PRD_FW_MSG_TYPE_RESP_NOP = 1,
+	PRD_FW_MSG_TYPE_RESP_GENERIC = 2,
+	PRD_FW_MSG_TYPE_REQ_HCODE_UPDATE = 3,
+	PRD_FW_MSG_TYPE_HBRT_FSP = 4,
+	PRD_FW_MSG_TYPE_ERROR_LOG = 5,
+	PRD_FW_MSG_TYPE_FSP_HBRT = 6,
+};
+
+struct prd_fw_msg {
+	__be64		type;
+	union {
+		struct {
+			__be64	status;
+		} generic_resp;
+		struct {
+			__be32	plid;
+			__be32	size;
+			char	data[];
+		} __packed errorlog;
+		struct {
+			char	data;
+		} mbox_msg;
+	};
+};
+
+#define PRD_FW_MSG_BASE_SIZE	sizeof(__be64)
+
+#endif /* __PRD_FW_MSG_H */