From e1760ce0a30ff872db3fc066e9cf74b538bb0cb4 Mon Sep 17 00:00:00 2001
From: Jack Morgenstein <[EMAIL PROTECTED]>
Date: Wed, 9 Jul 2008 13:58:05 +0300
Subject: [PATCH] Added support for XRC receive-only QPs.
(OFED 1.3 commit 3869d6dab7e12fe452270ca641f7dd7082b42482)
V2:
1. xrc_ops changed to more_ops
Signed-off-by: Jack Morgenstein <[EMAIL PROTECTED]>
---
src/mlx4.c | 5 +++++
src/mlx4.h | 15 +++++++++++++++
src/verbs.c | 55 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
3 files changed, 75 insertions(+), 0 deletions(-)
diff --git a/src/mlx4.c b/src/mlx4.c
index 8a46543..18333e7 100644
--- a/src/mlx4.c
+++ b/src/mlx4.c
@@ -73,6 +73,11 @@ static struct ibv_more_ops mlx4_more_ops = {
.create_xrc_srq = mlx4_create_xrc_srq,
.open_xrc_domain = mlx4_open_xrc_domain,
.close_xrc_domain = mlx4_close_xrc_domain,
+ .create_xrc_rcv_qp = mlx4_create_xrc_rcv_qp,
+ .modify_xrc_rcv_qp = mlx4_modify_xrc_rcv_qp,
+ .query_xrc_rcv_qp = mlx4_query_xrc_rcv_qp,
+ .reg_xrc_rcv_qp = mlx4_reg_xrc_rcv_qp,
+ .unreg_xrc_rcv_qp = mlx4_unreg_xrc_rcv_qp,
#endif
};
#endif
diff --git a/src/mlx4.h b/src/mlx4.h
index 28a8f9c..a791901 100644
--- a/src/mlx4.h
+++ b/src/mlx4.h
@@ -407,6 +407,21 @@ struct ibv_xrc_domain *mlx4_open_xrc_domain(struct
ibv_context *context,
int fd, int oflag);
int mlx4_close_xrc_domain(struct ibv_xrc_domain *d);
+int mlx4_create_xrc_rcv_qp(struct ibv_qp_init_attr *init_attr,
+ uint32_t *xrc_qp_num);
+int mlx4_modify_xrc_rcv_qp(struct ibv_xrc_domain *xrc_domain,
+ uint32_t xrc_qp_num,
+ struct ibv_qp_attr *attr,
+ int attr_mask);
+int mlx4_query_xrc_rcv_qp(struct ibv_xrc_domain *xrc_domain,
+ uint32_t xrc_qp_num,
+ struct ibv_qp_attr *attr,
+ int attr_mask,
+ struct ibv_qp_init_attr *init_attr);
+int mlx4_reg_xrc_rcv_qp(struct ibv_xrc_domain *xrc_domain,
+ uint32_t xrc_qp_num);
+int mlx4_unreg_xrc_rcv_qp(struct ibv_xrc_domain *xrc_domain,
+ uint32_t xrc_qp_num);
#endif
diff --git a/src/verbs.c b/src/verbs.c
index b883992..b1bad3c 100644
--- a/src/verbs.c
+++ b/src/verbs.c
@@ -770,4 +770,59 @@ int mlx4_close_xrc_domain(struct ibv_xrc_domain *d)
free(d);
return 0;
}
+
+int mlx4_create_xrc_rcv_qp(struct ibv_qp_init_attr *init_attr,
+ uint32_t *xrc_qp_num)
+{
+
+ return ibv_cmd_create_xrc_rcv_qp(init_attr, xrc_qp_num);
+}
+
+int mlx4_modify_xrc_rcv_qp(struct ibv_xrc_domain *xrc_domain,
+ uint32_t xrc_qp_num,
+ struct ibv_qp_attr *attr,
+ int attr_mask)
+{
+ return ibv_cmd_modify_xrc_rcv_qp(xrc_domain, xrc_qp_num,
+ attr, attr_mask);
+}
+
+int mlx4_query_xrc_rcv_qp(struct ibv_xrc_domain *xrc_domain,
+ uint32_t xrc_qp_num,
+ struct ibv_qp_attr *attr,
+ int attr_mask,
+ struct ibv_qp_init_attr *init_attr)
+{
+ int ret;
+
+ ret = ibv_cmd_query_xrc_rcv_qp(xrc_domain, xrc_qp_num,
+ attr, attr_mask, init_attr);
+ if (ret)
+ return ret;
+
+ init_attr->cap.max_send_wr = init_attr->cap.max_send_sge = 1;
+ init_attr->cap.max_recv_sge = init_attr->cap.max_recv_wr = 0;
+ init_attr->cap.max_inline_data = 0;
+ init_attr->recv_cq = init_attr->send_cq = NULL;
+ init_attr->srq = NULL;
+ init_attr->xrc_domain = xrc_domain;
+ init_attr->qp_type = IBV_QPT_XRC;
+ init_attr->qp_context = NULL;
+ attr->cap = init_attr->cap;
+
+ return 0;
+}
+
+int mlx4_reg_xrc_rcv_qp(struct ibv_xrc_domain *xrc_domain,
+ uint32_t xrc_qp_num)
+{
+ return ibv_cmd_reg_xrc_rcv_qp(xrc_domain, xrc_qp_num);
+}
+
+int mlx4_unreg_xrc_rcv_qp(struct ibv_xrc_domain *xrc_domain,
+ uint32_t xrc_qp_num)
+{
+ return ibv_cmd_unreg_xrc_rcv_qp(xrc_domain, xrc_qp_num);
+}
+
#endif
--
1.5.1.6
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