ice_sbq_cmd.h

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    1 /* SPDX-License-Identifier: BSD-3-Clause */
    2 /*  Copyright (c) 2021, Intel Corporation
    3  *  All rights reserved.
    4  *
    5  *  Redistribution and use in source and binary forms, with or without
    6  *  modification, are permitted provided that the following conditions are met:
    7  *
    8  *   1. Redistributions of source code must retain the above copyright notice,
    9  *      this list of conditions and the following disclaimer.
   10  *
   11  *   2. Redistributions in binary form must reproduce the above copyright
   12  *      notice, this list of conditions and the following disclaimer in the
   13  *      documentation and/or other materials provided with the distribution.
   14  *
   15  *   3. Neither the name of the Intel Corporation nor the names of its
   16  *      contributors may be used to endorse or promote products derived from
   17  *      this software without specific prior written permission.
   18  *
   19  *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
   20  *  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   21  *  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   22  *  ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
   23  *  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   24  *  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   25  *  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   26  *  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
   27  *  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   28  *  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
   29  *  POSSIBILITY OF SUCH DAMAGE.
   30  */
   31 /*$FreeBSD$*/
   32 
   33 #ifndef _ICE_SBQ_CMD_H_
   34 #define _ICE_SBQ_CMD_H_
   35 
   36 /* This header file defines the Sideband Queue commands, error codes and
   37  * descriptor format. It is shared between Firmware and Software.
   38  */
   39 
   40 /* Sideband Queue command structure and opcodes */
   41 enum ice_sbq_opc {
   42         /* Sideband Queue commands */
   43         ice_sbq_opc_neigh_dev_req                       = 0x0C00,
   44         ice_sbq_opc_neigh_dev_ev                        = 0x0C01
   45 };
   46 
   47 /* Sideband Queue descriptor. Indirect command
   48  * and non posted
   49  */
   50 struct ice_sbq_cmd_desc {
   51         __le16 flags;
   52         __le16 opcode;
   53         __le16 datalen;
   54         __le16 cmd_retval;
   55 
   56         /* Opaque message data */
   57         __le32 cookie_high;
   58         __le32 cookie_low;
   59 
   60         union {
   61                 __le16 cmd_len;
   62                 __le16 cmpl_len;
   63         } param0;
   64 
   65         u8 reserved[6];
   66         __le32 addr_high;
   67         __le32 addr_low;
   68 };
   69 
   70 struct ice_sbq_evt_desc {
   71         __le16 flags;
   72         __le16 opcode;
   73         __le16 datalen;
   74         __le16 cmd_retval;
   75         u8 data[24];
   76 };
   77 
   78 enum ice_sbq_msg_dev {
   79         rmn_0   = 0x02,
   80         rmn_1   = 0x03,
   81         rmn_2   = 0x04,
   82         cgu     = 0x06
   83 };
   84 
   85 enum ice_sbq_msg_opcode {
   86         ice_sbq_msg_rd  = 0x00,
   87         ice_sbq_msg_wr  = 0x01
   88 };
   89 
   90 #define ICE_SBQ_MSG_FLAGS       0x40
   91 #define ICE_SBQ_MSG_SBE_FBE     0x0F
   92 
   93 struct ice_sbq_msg_req {
   94         u8 dest_dev;
   95         u8 src_dev;
   96         u8 opcode;
   97         u8 flags;
   98         u8 sbe_fbe;
   99         u8 func_id;
  100         __le16 msg_addr_low;
  101         __le32 msg_addr_high;
  102         __le32 data;
  103 };
  104 
  105 struct ice_sbq_msg_cmpl {
  106         u8 dest_dev;
  107         u8 src_dev;
  108         u8 opcode;
  109         u8 flags;
  110         __le32 data;
  111 };
  112 
  113 /* Internal struct */
  114 struct ice_sbq_msg_input {
  115         u8 dest_dev;
  116         u8 opcode;
  117         u16 msg_addr_low;
  118         u32 msg_addr_high;
  119         u32 data;
  120 };
  121 #endif /* _ICE_SBQ_CMD_H_ */

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FreeBSD/Linux Kernel Cross Reference sys/dev/ice/ice_sbq_cmd.h

FreeBSD/Linux Kernel Cross Reference
sys/dev/ice/ice_sbq_cmd.h