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tid_rdma_defs.h
/* 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 */