112 lines
3.3 KiB
C
112 lines
3.3 KiB
C
/*
|
|
* 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. rc=%lx",
|
|
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;
|
|
}
|