| /* |
| * IBM eServer eHCA Infiniband device driver for Linux on POWER |
| * |
| * SQP functions |
| * |
| * Authors: Khadija Souissi <souissi@de.ibm.com> |
| * Heiko J Schick <schickhj@de.ibm.com> |
| * |
| * Copyright (c) 2005 IBM Corporation |
| * |
| * All rights reserved. |
| * |
| * This source code is distributed under a dual license of GPL v2.0 and OpenIB |
| * BSD. |
| * |
| * OpenIB BSD License |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are met: |
| * |
| * Redistributions of source code must retain the above copyright notice, this |
| * list of conditions and the following disclaimer. |
| * |
| * Redistributions in binary form must reproduce the above copyright notice, |
| * this list of conditions and the following disclaimer in the documentation |
| * and/or other materials |
| * provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE |
| * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR |
| * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER |
| * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| * POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| |
| #include <linux/module.h> |
| #include <linux/err.h> |
| #include "ehca_classes.h" |
| #include "ehca_tools.h" |
| #include "ehca_qes.h" |
| #include "ehca_iverbs.h" |
| #include "hcp_if.h" |
| |
| |
| /** |
| * ehca_define_sqp - Defines special queue pair 1 (GSI QP). When special queue |
| * pair is created successfully, the corresponding port gets active. |
| * |
| * Define Special Queue pair 0 (SMI QP) is still not supported. |
| * |
| * @qp_init_attr: Queue pair init attributes with port and queue pair type |
| */ |
| |
| u64 ehca_define_sqp(struct ehca_shca *shca, |
| struct ehca_qp *ehca_qp, |
| struct ib_qp_init_attr *qp_init_attr) |
| { |
| u32 pma_qp_nr, bma_qp_nr; |
| u64 ret; |
| u8 port = qp_init_attr->port_num; |
| int counter; |
| |
| shca->sport[port - 1].port_state = IB_PORT_DOWN; |
| |
| switch (qp_init_attr->qp_type) { |
| case IB_QPT_SMI: |
| /* function not supported yet */ |
| break; |
| case IB_QPT_GSI: |
| ret = hipz_h_define_aqp1(shca->ipz_hca_handle, |
| ehca_qp->ipz_qp_handle, |
| ehca_qp->galpas.kernel, |
| (u32) qp_init_attr->port_num, |
| &pma_qp_nr, &bma_qp_nr); |
| |
| if (ret != H_SUCCESS) { |
| ehca_err(&shca->ib_device, |
| "Can't define AQP1 for port %x. h_ret=%li", |
| port, ret); |
| return ret; |
| } |
| break; |
| default: |
| ehca_err(&shca->ib_device, "invalid qp_type=%x", |
| qp_init_attr->qp_type); |
| return H_PARAMETER; |
| } |
| |
| for (counter = 0; |
| shca->sport[port - 1].port_state != IB_PORT_ACTIVE && |
| counter < ehca_port_act_time; |
| counter++) { |
| ehca_dbg(&shca->ib_device, "... wait until port %x is active", |
| port); |
| msleep_interruptible(1000); |
| } |
| |
| if (counter == ehca_port_act_time) { |
| ehca_err(&shca->ib_device, "Port %x is not active.", port); |
| return H_HARDWARE; |
| } |
| |
| return H_SUCCESS; |
| } |