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-rw-r--r--include/rdma/rdmavt_qp.h77
1 files changed, 77 insertions, 0 deletions
diff --git a/include/rdma/rdmavt_qp.h b/include/rdma/rdmavt_qp.h
index 2c5183ef0243..f3dbd157ae5c 100644
--- a/include/rdma/rdmavt_qp.h
+++ b/include/rdma/rdmavt_qp.h
@@ -51,6 +51,7 @@
#include <rdma/rdma_vt.h>
#include <rdma/ib_pack.h>
#include <rdma/ib_verbs.h>
+#include <rdma/rdmavt_cq.h>
/*
* Atomic bit definitions for r_aflags.
*/
@@ -485,6 +486,23 @@ static inline void rvt_put_qp(struct rvt_qp *qp)
}
/**
+ * rvt_put_swqe - drop mr refs held by swqe
+ * @wqe - the send wqe
+ *
+ * This drops any mr references held by the swqe
+ */
+static inline void rvt_put_swqe(struct rvt_swqe *wqe)
+{
+ int i;
+
+ for (i = 0; i < wqe->wr.num_sge; i++) {
+ struct rvt_sge *sge = &wqe->sg_list[i];
+
+ rvt_put_mr(sge->mr);
+ }
+}
+
+/**
* rvt_qp_wqe_reserve - reserve operation
* @qp - the rvt qp
* @wqe - the send wqe
@@ -527,6 +545,65 @@ static inline void rvt_qp_wqe_unreserve(
}
}
+extern const enum ib_wc_opcode ib_rvt_wc_opcode[];
+
+/**
+ * rvt_qp_swqe_complete() - insert send completion
+ * @qp - the qp
+ * @wqe - the send wqe
+ * @status - completion status
+ *
+ * Insert a send completion into the completion
+ * queue if the qp indicates it should be done.
+ *
+ * See IBTA 10.7.3.1 for info on completion
+ * control.
+ */
+static inline void rvt_qp_swqe_complete(
+ struct rvt_qp *qp,
+ struct rvt_swqe *wqe,
+ enum ib_wc_status status)
+{
+ if (unlikely(wqe->wr.send_flags & RVT_SEND_RESERVE_USED))
+ return;
+ if (!(qp->s_flags & RVT_S_SIGNAL_REQ_WR) ||
+ (wqe->wr.send_flags & IB_SEND_SIGNALED) ||
+ status != IB_WC_SUCCESS) {
+ struct ib_wc wc;
+
+ memset(&wc, 0, sizeof(wc));
+ wc.wr_id = wqe->wr.wr_id;
+ wc.status = status;
+ wc.opcode = ib_rvt_wc_opcode[wqe->wr.opcode];
+ wc.qp = &qp->ibqp;
+ wc.byte_len = wqe->length;
+ rvt_cq_enter(ibcq_to_rvtcq(qp->ibqp.send_cq), &wc,
+ status != IB_WC_SUCCESS);
+ }
+}
+
+/**
+ * @qp - the qp pair
+ * @len - the length
+ *
+ * Perform a shift based mtu round up divide
+ */
+static inline u32 rvt_div_round_up_mtu(struct rvt_qp *qp, u32 len)
+{
+ return (len + qp->pmtu - 1) >> qp->log_pmtu;
+}
+
+/**
+ * @qp - the qp pair
+ * @len - the length
+ *
+ * Perform a shift based mtu divide
+ */
+static inline u32 rvt_div_mtu(struct rvt_qp *qp, u32 len)
+{
+ return len >> qp->log_pmtu;
+}
+
extern const int ib_rvt_state_ops[];
struct rvt_dev_info;