Differential D21959 Diff 69935 sys/dev/ice/ice_sbq_cmd.h

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sys/dev/ice/ice_sbq_cmd.h

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				/* SPDX-License-Identifier: BSD-3-Clause */
				/* Copyright (c) 2020, Intel Corporation
				* All rights reserved.
				*
				* Redistribution and use in source and binary forms, with or without
				* modification, are permitted provided that the following conditions are met:
				*
				* 1. Redistributions of source code must retain the above copyright notice,
				* this list of conditions and the following disclaimer.
				*
				* 2. Redistributions in binary form must reproduce the above copyright
				* notice, this list of conditions and the following disclaimer in the
				* documentation and/or other materials provided with the distribution.
				*
				* 3. Neither the name of the Intel Corporation nor the names of its
				* contributors may be used to endorse or promote products derived from
				* this software without specific prior written permission.
				*
				* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
				* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
				* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
				* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
				* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
				* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
				* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
				* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
				* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
				* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
				* POSSIBILITY OF SUCH DAMAGE.
				*/
				/$FreeBSD$/

				#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_ */