2 * IBM eServer eHCA Infiniband device driver for Linux on POWER
6 * Authors: Khadija Souissi <souissi@de.ibm.com>
7 * Heiko J Schick <schickhj@de.ibm.com>
9 * Copyright (c) 2005 IBM Corporation
11 * All rights reserved.
13 * This source code is distributed under a dual license of GPL v2.0 and OpenIB
18 * Redistribution and use in source and binary forms, with or without
19 * modification, are permitted provided that the following conditions are met:
21 * Redistributions of source code must retain the above copyright notice, this
22 * list of conditions and the following disclaimer.
24 * Redistributions in binary form must reproduce the above copyright notice,
25 * this list of conditions and the following disclaimer in the documentation
26 * and/or other materials
27 * provided with the distribution.
29 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
30 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
31 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
32 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
33 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
34 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
35 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
36 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
37 * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
38 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
39 * POSSIBILITY OF SUCH DAMAGE.
43 #include <linux/module.h>
44 #include <linux/err.h>
45 #include "ehca_classes.h"
46 #include "ehca_tools.h"
48 #include "ehca_iverbs.h"
53 * ehca_define_sqp - Defines special queue pair 1 (GSI QP). When special queue
54 * pair is created successfully, the corresponding port gets active.
56 * Define Special Queue pair 0 (SMI QP) is still not supported.
58 * @qp_init_attr: Queue pair init attributes with port and queue pair type
61 u64 ehca_define_sqp(struct ehca_shca *shca,
62 struct ehca_qp *ehca_qp,
63 struct ib_qp_init_attr *qp_init_attr)
65 u32 pma_qp_nr, bma_qp_nr;
67 u8 port = qp_init_attr->port_num;
70 shca->sport[port - 1].port_state = IB_PORT_DOWN;
72 switch (qp_init_attr->qp_type) {
74 /* function not supported yet */
77 ret = hipz_h_define_aqp1(shca->ipz_hca_handle,
78 ehca_qp->ipz_qp_handle,
79 ehca_qp->galpas.kernel,
80 (u32) qp_init_attr->port_num,
81 &pma_qp_nr, &bma_qp_nr);
83 if (ret != H_SUCCESS) {
84 ehca_err(&shca->ib_device,
85 "Can't define AQP1 for port %x. rc=%lx",
91 ehca_err(&shca->ib_device, "invalid qp_type=%x",
92 qp_init_attr->qp_type);
97 shca->sport[port - 1].port_state != IB_PORT_ACTIVE &&
98 counter < ehca_port_act_time;
100 ehca_dbg(&shca->ib_device, "... wait until port %x is active",
102 msleep_interruptible(1000);
105 if (counter == ehca_port_act_time) {
106 ehca_err(&shca->ib_device, "Port %x is not active.", port);