[ofa-general] [PATCH 2 of 2] libmlx4: implement query_qp

[Jack Morgenstein]

For query-qp, fill in qp capabilities from user-space qp object.

Signed-off-by: Jack Morgenstein <jackm at dev.mellanox.co.il>

Index: a/src/verbs.c
===================================================================
--- a/src/verbs.c	2007-06-18 09:33:04.000000000 +0300
+++ a/src/verbs.c	2007-06-18 17:10:23.000000000 +0300
@@ -445,8 +445,21 @@
 		   struct ibv_qp_init_attr *init_attr)
 {
 	struct ibv_query_qp cmd;
+	struct mlx4_qp *mqp;
+	int ret;
+
+	ret = ibv_cmd_query_qp(qp, attr, attr_mask, init_attr, &cmd, sizeof cmd);
+	if (ret)
+		return ret;
+	mqp = to_mqp(qp);
+	init_attr->cap.max_send_wr = mqp->sq.max_post;
+	init_attr->cap.max_send_sge = mqp->sq.max_gs;
+	init_attr->cap.max_recv_wr =  mqp->rq.max_post;
+	init_attr->cap.max_recv_sge =  mqp->rq.max_gs;
+	init_attr->cap.max_inline_data = mqp->max_inline_data;
+	attr->cap = init_attr->cap;
 
-	return ibv_cmd_query_qp(qp, attr, attr_mask, init_attr, &cmd, sizeof cmd);
+	return 0;
 }
 
 int mlx4_modify_qp(struct ibv_qp *qp, struct ibv_qp_attr *attr,