net/ice/base: add sideband queue info

Add the commands, error codes, and structures
for the sideband queue.

Signed-off-by: Paul M Stillwell Jr <paul.m.stillwell.jr@intel.com>
Reviewed-by: Ferruh Yigit <ferruh.yigit@intel.com>

diff --git a/drivers/net/ice/base/ice_sbq_cmd.h b/drivers/net/ice/base/ice_sbq_cmd.h
new file mode 100644 (file)
index 0000000..6dff378
--- /dev/null
+++ b/drivers/net/ice/base/ice_sbq_cmd.h
@@ -0,0 +1,93 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2001-2018
+ */
+
+#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_ */