xref: /freebsd-10.0-release/contrib/ofed/management/libibmad/src/smp.c

/*
 * Copyright (c) 2004-2007 Voltaire Inc.  All rights reserved.
 *
 * This software is available to you under a choice of one of two
 * licenses.  You may choose to be licensed under the terms of the GNU
 * General Public License (GPL) Version 2, available from the file
 * COPYING in the main directory of this source tree, or the
 * OpenIB.org BSD license below:
 *
 *     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.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 *
 */

#if HAVE_CONFIG_H
#  include <config.h>
#endif /* HAVE_CONFIG_H */

#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <pthread.h>
#include <sys/time.h>

#include <mad.h>
#include <infiniband/common.h>

#undef DEBUG
#define DEBUG 	if (ibdebug)	IBWARN

uint8_t *
smp_set_via(void *data, ib_portid_t *portid, unsigned attrid, unsigned mod, unsigned timeout, const void *srcport)
{
	ib_rpc_t rpc = {0};

	DEBUG("attr 0x%x mod 0x%x route %s", attrid, mod, portid2str(portid));
	if ((portid->lid <= 0) ||
	    (portid->drpath.drslid == 0xffff) ||
	    (portid->drpath.drdlid == 0xffff))
		rpc.mgtclass = IB_SMI_DIRECT_CLASS;	/* direct SMI */
	else
		rpc.mgtclass = IB_SMI_CLASS;		/* Lid routed SMI */

	rpc.method = IB_MAD_METHOD_SET;
	rpc.attr.id = attrid;
	rpc.attr.mod = mod;
	rpc.timeout = timeout;
	rpc.datasz = IB_SMP_DATA_SIZE;
	rpc.dataoffs = IB_SMP_DATA_OFFS;

	portid->sl = 0;
	portid->qp = 0;

	if (srcport) {
		return mad_rpc(srcport, &rpc, portid, data, data);
	} else {
		return madrpc(&rpc, portid, data, data);
	}
}

uint8_t *
smp_set(void *data, ib_portid_t *portid, unsigned attrid, unsigned mod, unsigned timeout)
{
	return smp_set_via(data, portid, attrid, mod, timeout, NULL);
}

uint8_t *
smp_query_via(void *rcvbuf, ib_portid_t *portid, unsigned attrid, unsigned mod,
	      unsigned timeout, const void *srcport)
{
	ib_rpc_t rpc = {0};

	DEBUG("attr 0x%x mod 0x%x route %s", attrid, mod, portid2str(portid));
	rpc.method = IB_MAD_METHOD_GET;
	rpc.attr.id = attrid;
	rpc.attr.mod = mod;
	rpc.timeout = timeout;
	rpc.datasz = IB_SMP_DATA_SIZE;
	rpc.dataoffs = IB_SMP_DATA_OFFS;

	if ((portid->lid <= 0) ||
	    (portid->drpath.drslid == 0xffff) ||
	    (portid->drpath.drdlid == 0xffff))
		rpc.mgtclass = IB_SMI_DIRECT_CLASS;	/* direct SMI */
	else
		rpc.mgtclass = IB_SMI_CLASS;		/* Lid routed SMI */

	portid->sl = 0;
	portid->qp = 0;

	if (srcport) {
		return mad_rpc(srcport, &rpc, portid, 0, rcvbuf);
	} else {
		return madrpc(&rpc, portid, 0, rcvbuf);
	}
}

uint8_t *
smp_query(void *rcvbuf, ib_portid_t *portid, unsigned attrid, unsigned mod,
	  unsigned timeout)
{
	return smp_query_via(rcvbuf, portid, attrid, mod, timeout, NULL);
}