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| author | Kaike Wan <kaike.wan@intel.com> | 2019-01-23 21:48:28 -0800 |
|---|---|---|
| committer | Doug Ledford <dledford@redhat.com> | 2019-02-05 18:07:43 -0500 |
| commit | c098bbb00cd1986cbb58ed1712643f80ed00fcc3 (patch) | |
| tree | 3204232a72a64870d0f93f447ea1c73792f2fd39 /include/rdma | |
| parent | a2f3bde88174e5c8edf7d6f1b3403a9214439d50 (diff) | |
| download | linux-stable-c098bbb00cd1986cbb58ed1712643f80ed00fcc3.tar.gz linux-stable-c098bbb00cd1986cbb58ed1712643f80ed00fcc3.tar.bz2 linux-stable-c098bbb00cd1986cbb58ed1712643f80ed00fcc3.zip | |
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 <mitko.haralanov@intel.com>
Signed-off-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: Ashutosh Dixit <ashutosh.dixit@intel.com>
Signed-off-by: Kaike Wan <kaike.wan@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'include/rdma')
| -rw-r--r-- | include/rdma/ib_hdrs.h | 5 | ||||
| -rw-r--r-- | include/rdma/tid_rdma_defs.h | 56 |
2 files changed, 61 insertions, 0 deletions
diff --git a/include/rdma/ib_hdrs.h b/include/rdma/ib_hdrs.h index 58a0a0f99e7f..9a90bd031e8c 100644 --- a/include/rdma/ib_hdrs.h +++ b/include/rdma/ib_hdrs.h @@ -123,6 +123,11 @@ union ib_ehdrs { union { struct tid_rdma_read_req r_req; struct tid_rdma_read_resp r_rsp; + struct tid_rdma_write_req w_req; + struct tid_rdma_write_resp w_rsp; + struct tid_rdma_write_data w_data; + struct tid_rdma_resync resync; + struct tid_rdma_ack ack; } tid_rdma; } __packed; 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 */ |