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92 lines
1.5 KiB
92 lines
1.5 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
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/* Copyright (C) 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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