1/*
2 * Copyright (c) 2004-2009 Voltaire Inc.  All rights reserved.
3 * Copyright (c) 2011 Mellanox Technologies LTD.  All rights reserved.
4 *
5 * This software is available to you under a choice of one of two
6 * licenses.  You may choose to be licensed under the terms of the GNU
7 * General Public License (GPL) Version 2, available from the file
8 * COPYING in the main directory of this source tree, or the
9 * OpenIB.org BSD license below:
10 *
11 *     Redistribution and use in source and binary forms, with or
12 *     without modification, are permitted provided that the following
13 *     conditions are met:
14 *
15 *      - Redistributions of source code must retain the above
16 *        copyright notice, this list of conditions and the following
17 *        disclaimer.
18 *
19 *      - Redistributions in binary form must reproduce the above
20 *        copyright notice, this list of conditions and the following
21 *        disclaimer in the documentation and/or other materials
22 *        provided with the distribution.
23 *
24 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
25 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
26 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
27 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
28 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
29 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
30 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
31 * SOFTWARE.
32 *
33 */
34
35#if HAVE_CONFIG_H
36#  include <config.h>
37#endif				/* HAVE_CONFIG_H */
38
39#include <stdio.h>
40#include <stdlib.h>
41#include <string.h>
42#include <errno.h>
43
44#include <infiniband/umad.h>
45#include <infiniband/mad.h>
46
47#undef DEBUG
48#define DEBUG 	if (ibdebug)	IBWARN
49
50uint8_t *pma_query_via(void *rcvbuf, ib_portid_t * dest, int port,
51		       unsigned timeout, unsigned id,
52		       const struct ibmad_port * srcport)
53{
54	ib_rpc_v1_t rpc = { 0 };
55	ib_rpc_t *rpcold = (ib_rpc_t *)(void *)&rpc;
56	int lid = dest->lid;
57	void *p_ret;
58
59	DEBUG("lid %u port %d", lid, port);
60
61	if (lid == -1) {
62		IBWARN("only lid routed is supported");
63		return NULL;
64	}
65
66	rpc.mgtclass = IB_PERFORMANCE_CLASS | IB_MAD_RPC_VERSION1;
67	rpc.method = IB_MAD_METHOD_GET;
68	rpc.attr.id = id;
69
70	/* Same for attribute IDs */
71	mad_set_field(rcvbuf, 0, IB_PC_PORT_SELECT_F, port);
72	rpc.attr.mod = 0;
73	rpc.timeout = timeout;
74	rpc.datasz = IB_PC_DATA_SZ;
75	rpc.dataoffs = IB_PC_DATA_OFFS;
76
77	if (!dest->qp)
78		dest->qp = 1;
79	if (!dest->qkey)
80		dest->qkey = IB_DEFAULT_QP1_QKEY;
81
82	p_ret = mad_rpc(srcport, rpcold, dest, rcvbuf, rcvbuf);
83	errno = rpc.error;
84	return p_ret;
85}
86
87uint8_t *performance_reset_via(void *rcvbuf, ib_portid_t * dest,
88			       int port, unsigned mask, unsigned timeout,
89			       unsigned id, const struct ibmad_port * srcport)
90{
91	ib_rpc_v1_t rpc = { 0 };
92	ib_rpc_t *rpcold = (ib_rpc_t *)(void *)&rpc;
93
94	int lid = dest->lid;
95	void *p_ret;
96
97	DEBUG("lid %u port %d mask 0x%x", lid, port, mask);
98
99	if (lid == -1) {
100		IBWARN("only lid routed is supported");
101		return NULL;
102	}
103
104	if (!mask)
105		mask = ~0;
106
107	rpc.mgtclass = IB_PERFORMANCE_CLASS | IB_MAD_RPC_VERSION1;
108	rpc.method = IB_MAD_METHOD_SET;
109	rpc.attr.id = id;
110
111	memset(rcvbuf, 0, IB_MAD_SIZE);
112
113	/* Next 2 lines - same for attribute IDs */
114	mad_set_field(rcvbuf, 0, IB_PC_PORT_SELECT_F, port);
115	mad_set_field(rcvbuf, 0, IB_PC_COUNTER_SELECT_F, mask);
116	mask = mask >> 16;
117	if (id == IB_GSI_PORT_COUNTERS_EXT)
118		mad_set_field(rcvbuf, 0, IB_PC_EXT_COUNTER_SELECT2_F, mask);
119	else
120		mad_set_field(rcvbuf, 0, IB_PC_COUNTER_SELECT2_F, mask);
121	rpc.attr.mod = 0;
122	rpc.timeout = timeout;
123	rpc.datasz = IB_PC_DATA_SZ;
124	rpc.dataoffs = IB_PC_DATA_OFFS;
125	if (!dest->qp)
126		dest->qp = 1;
127	if (!dest->qkey)
128		dest->qkey = IB_DEFAULT_QP1_QKEY;
129
130	p_ret = mad_rpc(srcport, rpcold, dest, rcvbuf, rcvbuf);
131	errno = rpc.error;
132	return p_ret;
133}
134