93 lines
1.5 KiB
C
93 lines
1.5 KiB
C
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/* SPDX-License-Identifier: GPL-2.0 */
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/* Copyright (C) 2018-2021, Intel Corporation. */
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#ifndef _ICE_SBQ_CMD_H_
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#define _ICE_SBQ_CMD_H_
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/* This header file defines the Sideband Queue commands, error codes and
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* descriptor format. It is shared between Firmware and Software.
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*/
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/* Sideband Queue command structure and opcodes */
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enum ice_sbq_opc {
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/* Sideband Queue commands */
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ice_sbq_opc_neigh_dev_req = 0x0C00,
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ice_sbq_opc_neigh_dev_ev = 0x0C01
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};
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/* Sideband Queue descriptor. Indirect command
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* and non posted
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*/
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struct ice_sbq_cmd_desc {
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__le16 flags;
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__le16 opcode;
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__le16 datalen;
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__le16 cmd_retval;
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/* Opaque message data */
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__le32 cookie_high;
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__le32 cookie_low;
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union {
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__le16 cmd_len;
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__le16 cmpl_len;
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} param0;
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u8 reserved[6];
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__le32 addr_high;
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__le32 addr_low;
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};
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struct ice_sbq_evt_desc {
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__le16 flags;
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__le16 opcode;
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__le16 datalen;
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__le16 cmd_retval;
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u8 data[24];
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};
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enum ice_sbq_msg_dev {
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rmn_0 = 0x02,
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rmn_1 = 0x03,
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rmn_2 = 0x04,
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cgu = 0x06
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};
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enum ice_sbq_msg_opcode {
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ice_sbq_msg_rd = 0x00,
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ice_sbq_msg_wr = 0x01
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};
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#define ICE_SBQ_MSG_FLAGS 0x40
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#define ICE_SBQ_MSG_SBE_FBE 0x0F
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struct ice_sbq_msg_req {
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u8 dest_dev;
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u8 src_dev;
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u8 opcode;
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u8 flags;
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u8 sbe_fbe;
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u8 func_id;
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__le16 msg_addr_low;
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__le32 msg_addr_high;
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__le32 data;
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};
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struct ice_sbq_msg_cmpl {
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u8 dest_dev;
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u8 src_dev;
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u8 opcode;
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u8 flags;
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__le32 data;
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};
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/* Internal struct */
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struct ice_sbq_msg_input {
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u8 dest_dev;
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u8 opcode;
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u16 msg_addr_low;
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u32 msg_addr_high;
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u32 data;
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};
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#endif /* _ICE_SBQ_CMD_H_ */
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