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1/* SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause) */2/*3 * Copyright(c) 2018 Intel Corporation.4 *5 */6 7#ifndef TID_RDMA_DEFS_H8#define TID_RDMA_DEFS_H9 10#include <rdma/ib_pack.h>11 12struct tid_rdma_read_req {13 __le32 kdeth0;14 __le32 kdeth1;15 struct ib_reth reth;16 __be32 tid_flow_psn;17 __be32 tid_flow_qp;18 __be32 verbs_qp;19};20 21struct tid_rdma_read_resp {22 __le32 kdeth0;23 __le32 kdeth1;24 __be32 aeth;25 __be32 reserved[4];26 __be32 verbs_psn;27 __be32 verbs_qp;28};29 30struct tid_rdma_write_req {31 __le32 kdeth0;32 __le32 kdeth1;33 struct ib_reth reth;34 __be32 reserved[2];35 __be32 verbs_qp;36};37 38struct tid_rdma_write_resp {39 __le32 kdeth0;40 __le32 kdeth1;41 __be32 aeth;42 __be32 reserved[3];43 __be32 tid_flow_psn;44 __be32 tid_flow_qp;45 __be32 verbs_qp;46};47 48struct tid_rdma_write_data {49 __le32 kdeth0;50 __le32 kdeth1;51 __be32 reserved[6];52 __be32 verbs_qp;53};54 55struct tid_rdma_resync {56 __le32 kdeth0;57 __le32 kdeth1;58 __be32 reserved[6];59 __be32 verbs_qp;60};61 62struct tid_rdma_ack {63 __le32 kdeth0;64 __le32 kdeth1;65 __be32 aeth;66 __be32 reserved[2];67 __be32 tid_flow_psn;68 __be32 verbs_psn;69 __be32 tid_flow_qp;70 __be32 verbs_qp;71};72 73/*74 * TID RDMA Opcodes75 */76#define IB_OPCODE_TID_RDMA 0xe077enum {78 IB_OPCODE_WRITE_REQ = 0x0,79 IB_OPCODE_WRITE_RESP = 0x1,80 IB_OPCODE_WRITE_DATA = 0x2,81 IB_OPCODE_WRITE_DATA_LAST = 0x3,82 IB_OPCODE_READ_REQ = 0x4,83 IB_OPCODE_READ_RESP = 0x5,84 IB_OPCODE_RESYNC = 0x6,85 IB_OPCODE_ACK = 0x7,86 87 IB_OPCODE(TID_RDMA, WRITE_REQ),88 IB_OPCODE(TID_RDMA, WRITE_RESP),89 IB_OPCODE(TID_RDMA, WRITE_DATA),90 IB_OPCODE(TID_RDMA, WRITE_DATA_LAST),91 IB_OPCODE(TID_RDMA, READ_REQ),92 IB_OPCODE(TID_RDMA, READ_RESP),93 IB_OPCODE(TID_RDMA, RESYNC),94 IB_OPCODE(TID_RDMA, ACK),95};96 97#define TID_OP(x) IB_OPCODE_TID_RDMA_##x98 99/*100 * Define TID RDMA specific WR opcodes. The ib_wr_opcode101 * enum already provides some reserved values for use by102 * low level drivers. Two of those are used but renamed103 * to be more descriptive.104 */105#define IB_WR_TID_RDMA_WRITE IB_WR_RESERVED1106#define IB_WR_TID_RDMA_READ IB_WR_RESERVED2107 108#endif /* TID_RDMA_DEFS_H */109