mirror of https://gitee.com/openkylin/linux.git
60 lines
1.4 KiB
C
60 lines
1.4 KiB
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_RC_H
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#define HFI1_RC_H
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/* cut down ridiculously long IB macro names */
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#define OP(x) IB_OPCODE_RC_##x
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static inline void update_ack_queue(struct rvt_qp *qp, unsigned int n)
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{
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unsigned int next;
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next = n + 1;
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if (next > rvt_size_atomic(ib_to_rvt(qp->ibqp.device)))
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next = 0;
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qp->s_tail_ack_queue = next;
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qp->s_acked_ack_queue = next;
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qp->s_ack_state = OP(ACKNOWLEDGE);
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}
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static inline void rc_defered_ack(struct hfi1_ctxtdata *rcd,
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struct rvt_qp *qp)
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{
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if (list_empty(&qp->rspwait)) {
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qp->r_flags |= RVT_R_RSP_NAK;
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rvt_get_qp(qp);
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list_add_tail(&qp->rspwait, &rcd->qp_wait_list);
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}
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}
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static inline u32 restart_sge(struct rvt_sge_state *ss, struct rvt_swqe *wqe,
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u32 psn, u32 pmtu)
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{
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u32 len;
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len = delta_psn(psn, wqe->psn) * pmtu;
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return rvt_restart_sge(ss, wqe, len);
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}
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static inline void release_rdma_sge_mr(struct rvt_ack_entry *e)
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{
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if (e->rdma_sge.mr) {
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rvt_put_mr(e->rdma_sge.mr);
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e->rdma_sge.mr = NULL;
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}
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}
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struct rvt_ack_entry *find_prev_entry(struct rvt_qp *qp, u32 psn, u8 *prev,
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u8 *prev_ack, bool *scheduled);
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int do_rc_ack(struct rvt_qp *qp, u32 aeth, u32 psn, int opcode, u64 val,
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struct hfi1_ctxtdata *rcd);
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struct rvt_swqe *do_rc_completion(struct rvt_qp *qp, struct rvt_swqe *wqe,
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struct hfi1_ibport *ibp);
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#endif /* HFI1_RC_H */
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