1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* Copyright (C) 2021, Intel Corporation. */ 3 4 #ifndef _ICE_SBQ_CMD_H_ 5 #define _ICE_SBQ_CMD_H_ 6 7 /* This header file defines the Sideband Queue commands, error codes and 8 * descriptor format. It is shared between Firmware and Software. 9 */ 10 11 /* Sideband Queue command structure and opcodes */ 12 enum ice_sbq_opc { 13 /* Sideband Queue commands */ 14 ice_sbq_opc_neigh_dev_req = 0x0C00, 15 ice_sbq_opc_neigh_dev_ev = 0x0C01 16 }; 17 18 /* Sideband Queue descriptor. Indirect command 19 * and non posted 20 */ 21 struct ice_sbq_cmd_desc { 22 __le16 flags; 23 __le16 opcode; 24 __le16 datalen; 25 __le16 cmd_retval; 26 27 /* Opaque message data */ 28 __le32 cookie_high; 29 __le32 cookie_low; 30 31 union { 32 __le16 cmd_len; 33 __le16 cmpl_len; 34 } param0; 35 36 u8 reserved[6]; 37 __le32 addr_high; 38 __le32 addr_low; 39 }; 40 41 struct ice_sbq_evt_desc { 42 __le16 flags; 43 __le16 opcode; 44 __le16 datalen; 45 __le16 cmd_retval; 46 u8 data[24]; 47 }; 48 49 enum ice_sbq_dev_id { 50 ice_sbq_dev_phy_0 = 0x02, 51 ice_sbq_dev_cgu = 0x06, 52 ice_sbq_dev_phy_0_peer = 0x0D, 53 ice_sbq_dev_cgu_peer = 0x0F, 54 }; 55 56 enum ice_sbq_msg_opcode { 57 ice_sbq_msg_rd = 0x00, 58 ice_sbq_msg_wr = 0x01, 59 ice_sbq_msg_wr_np = 0x02 60 }; 61 62 #define ICE_SBQ_MSG_FLAGS 0x40 63 #define ICE_SBQ_MSG_SBE_FBE 0x0F 64 65 struct ice_sbq_msg_req { 66 u8 dest_dev; 67 u8 src_dev; 68 u8 opcode; 69 u8 flags; 70 u8 sbe_fbe; 71 u8 func_id; 72 __le16 msg_addr_low; 73 __le32 msg_addr_high; 74 __le32 data; 75 }; 76 77 struct ice_sbq_msg_cmpl { 78 u8 dest_dev; 79 u8 src_dev; 80 u8 opcode; 81 u8 flags; 82 __le32 data; 83 }; 84 85 /* Internal struct */ 86 struct ice_sbq_msg_input { 87 u8 dest_dev; 88 u8 opcode; 89 u16 msg_addr_low; 90 u32 msg_addr_high; 91 u32 data; 92 }; 93 #endif /* _ICE_SBQ_CMD_H_ */ 94