1 files changed, 92 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/ice/ice_sbq_cmd.h b/drivers/net/ethernet/intel/ice/ice_sbq_cmd.h
new file mode 100644
index 000000000000..ead75fe2bcda
--- /dev/null
+++ b/drivers/net/ethernet/intel/ice/ice_sbq_cmd.h
@@ -0,0 +1,92 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (C) 2021, Intel Corporation. */
+
+#ifndef _ICE_SBQ_CMD_H_
+#define _ICE_SBQ_CMD_H_
+
+/* This header file defines the Sideband Queue commands, error codes and
+ * descriptor format. It is shared between Firmware and Software.
+ */
+
+/* Sideband Queue command structure and opcodes */
+enum ice_sbq_opc {
+	/* Sideband Queue commands */
+	ice_sbq_opc_neigh_dev_req			= 0x0C00,
+	ice_sbq_opc_neigh_dev_ev			= 0x0C01
+};
+
+/* Sideband Queue descriptor. Indirect command
+ * and non posted
+ */
+struct ice_sbq_cmd_desc {
+	__le16 flags;
+	__le16 opcode;
+	__le16 datalen;
+	__le16 cmd_retval;
+
+	/* Opaque message data */
+	__le32 cookie_high;
+	__le32 cookie_low;
+
+	union {
+		__le16 cmd_len;
+		__le16 cmpl_len;
+	} param0;
+
+	u8 reserved[6];
+	__le32 addr_high;
+	__le32 addr_low;
+};
+
+struct ice_sbq_evt_desc {
+	__le16 flags;
+	__le16 opcode;
+	__le16 datalen;
+	__le16 cmd_retval;
+	u8 data[24];
+};
+
+enum ice_sbq_msg_dev {
+	rmn_0	= 0x02,
+	rmn_1	= 0x03,
+	rmn_2	= 0x04,
+	cgu	= 0x06
+};
+
+enum ice_sbq_msg_opcode {
+	ice_sbq_msg_rd	= 0x00,
+	ice_sbq_msg_wr	= 0x01
+};
+
+#define ICE_SBQ_MSG_FLAGS	0x40
+#define ICE_SBQ_MSG_SBE_FBE	0x0F
+
+struct ice_sbq_msg_req {
+	u8 dest_dev;
+	u8 src_dev;
+	u8 opcode;
+	u8 flags;
+	u8 sbe_fbe;
+	u8 func_id;
+	__le16 msg_addr_low;
+	__le32 msg_addr_high;
+	__le32 data;
+};
+
+struct ice_sbq_msg_cmpl {
+	u8 dest_dev;
+	u8 src_dev;
+	u8 opcode;
+	u8 flags;
+	__le32 data;
+};
+
+/* Internal struct */
+struct ice_sbq_msg_input {
+	u8 dest_dev;
+	u8 opcode;
+	u16 msg_addr_low;
+	u32 msg_addr_high;
+	u32 data;
+};
+#endif /* _ICE_SBQ_CMD_H_ */