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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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