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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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d22a207d74
This patch adds the OPFN helper functions to initialize, encode, decode, and reset OPFN parameters for the TID RDMA feature. Reviewed-by: Mike Marciniszyn <mike.marciniszyn@intel.com> Signed-off-by: Ashutosh Dixit <ashutosh.dixit@intel.com> Signed-off-by: Mitko Haralanov <mitko.haralanov@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>
40 lines
977 B
C
40 lines
977 B
C
/* SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause) */
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/*
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* Copyright(c) 2018 Intel Corporation.
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*
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*/
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#ifndef HFI1_TID_RDMA_H
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#define HFI1_TID_RDMA_H
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#define TID_RDMA_MAX_SEGMENT_SIZE BIT(18) /* 256 KiB (for now) */
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struct tid_rdma_params {
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struct rcu_head rcu_head;
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u32 qp;
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u32 max_len;
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u16 jkey;
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u8 max_read;
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u8 max_write;
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u8 timeout;
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u8 urg;
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u8 version;
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};
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struct tid_rdma_qp_params {
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struct tid_rdma_params local;
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struct tid_rdma_params __rcu *remote;
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};
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bool tid_rdma_conn_req(struct rvt_qp *qp, u64 *data);
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bool tid_rdma_conn_reply(struct rvt_qp *qp, u64 data);
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bool tid_rdma_conn_resp(struct rvt_qp *qp, u64 *data);
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void tid_rdma_conn_error(struct rvt_qp *qp);
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void tid_rdma_opfn_init(struct rvt_qp *qp, struct tid_rdma_params *p);
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int hfi1_kern_exp_rcv_init(struct hfi1_ctxtdata *rcd, int reinit);
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int hfi1_qp_priv_init(struct rvt_dev_info *rdi, struct rvt_qp *qp,
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struct ib_qp_init_attr *init_attr);
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#endif /* HFI1_TID_RDMA_H */
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