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- /* SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause) */
- /*
- * Copyright(c) 2018 Intel Corporation.
- *
- */
- #ifndef TID_RDMA_DEFS_H
- #define TID_RDMA_DEFS_H
- #include <rdma/ib_pack.h>
- struct tid_rdma_read_req {
- __le32 kdeth0;
- __le32 kdeth1;
- struct ib_reth reth;
- __be32 tid_flow_psn;
- __be32 tid_flow_qp;
- __be32 verbs_qp;
- };
- struct tid_rdma_read_resp {
- __le32 kdeth0;
- __le32 kdeth1;
- __be32 aeth;
- __be32 reserved[4];
- __be32 verbs_psn;
- __be32 verbs_qp;
- };
- struct tid_rdma_write_req {
- __le32 kdeth0;
- __le32 kdeth1;
- struct ib_reth reth;
- __be32 reserved[2];
- __be32 verbs_qp;
- };
- struct tid_rdma_write_resp {
- __le32 kdeth0;
- __le32 kdeth1;
- __be32 aeth;
- __be32 reserved[3];
- __be32 tid_flow_psn;
- __be32 tid_flow_qp;
- __be32 verbs_qp;
- };
- struct tid_rdma_write_data {
- __le32 kdeth0;
- __le32 kdeth1;
- __be32 reserved[6];
- __be32 verbs_qp;
- };
- struct tid_rdma_resync {
- __le32 kdeth0;
- __le32 kdeth1;
- __be32 reserved[6];
- __be32 verbs_qp;
- };
- struct tid_rdma_ack {
- __le32 kdeth0;
- __le32 kdeth1;
- __be32 aeth;
- __be32 reserved[2];
- __be32 tid_flow_psn;
- __be32 verbs_psn;
- __be32 tid_flow_qp;
- __be32 verbs_qp;
- };
- /*
- * TID RDMA Opcodes
- */
- #define IB_OPCODE_TID_RDMA 0xe0
- enum {
- IB_OPCODE_WRITE_REQ = 0x0,
- IB_OPCODE_WRITE_RESP = 0x1,
- IB_OPCODE_WRITE_DATA = 0x2,
- IB_OPCODE_WRITE_DATA_LAST = 0x3,
- IB_OPCODE_READ_REQ = 0x4,
- IB_OPCODE_READ_RESP = 0x5,
- IB_OPCODE_RESYNC = 0x6,
- IB_OPCODE_ACK = 0x7,
- IB_OPCODE(TID_RDMA, WRITE_REQ),
- IB_OPCODE(TID_RDMA, WRITE_RESP),
- IB_OPCODE(TID_RDMA, WRITE_DATA),
- IB_OPCODE(TID_RDMA, WRITE_DATA_LAST),
- IB_OPCODE(TID_RDMA, READ_REQ),
- IB_OPCODE(TID_RDMA, READ_RESP),
- IB_OPCODE(TID_RDMA, RESYNC),
- IB_OPCODE(TID_RDMA, ACK),
- };
- #define TID_OP(x) IB_OPCODE_TID_RDMA_##x
- /*
- * Define TID RDMA specific WR opcodes. The ib_wr_opcode
- * enum already provides some reserved values for use by
- * low level drivers. Two of those are used but renamed
- * to be more descriptive.
- */
- #define IB_WR_TID_RDMA_WRITE IB_WR_RESERVED1
- #define IB_WR_TID_RDMA_READ IB_WR_RESERVED2
- #endif /* TID_RDMA_DEFS_H */
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