From c098bbb00cd1986cbb58ed1712643f80ed00fcc3 Mon Sep 17 00:00:00 2001 From: Kaike Wan Date: Wed, 23 Jan 2019 21:48:28 -0800 Subject: IB/hfi1: Build TID RDMA WRITE request This patch adds the functions to build TID RDMA WRITE request. The work request opcode, packet opcode, and packet formats for TID RDMA WRITE protocol are also defined in this patch. Signed-off-by: Mitko Haralanov Signed-off-by: Mike Marciniszyn Signed-off-by: Ashutosh Dixit Signed-off-by: Kaike Wan Signed-off-by: Dennis Dalessandro Signed-off-by: Doug Ledford --- include/rdma/tid_rdma_defs.h | 56 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 56 insertions(+) (limited to 'include/rdma/tid_rdma_defs.h') diff --git a/include/rdma/tid_rdma_defs.h b/include/rdma/tid_rdma_defs.h index 1c431ea32b52..08fe47c7ad2c 100644 --- a/include/rdma/tid_rdma_defs.h +++ b/include/rdma/tid_rdma_defs.h @@ -27,16 +27,71 @@ struct tid_rdma_read_resp { __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 @@ -47,6 +102,7 @@ enum { * 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 */ -- cgit v1.2.3