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/* 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_ */
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