xref: /freebsd/contrib/ofed/libibmad/gs.c (revision d6b92ffa)
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 
pma_query_via(void * rcvbuf,ib_portid_t * dest,int port,unsigned timeout,unsigned id,const struct ibmad_port * srcport)50 uint8_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 
performance_reset_via(void * rcvbuf,ib_portid_t * dest,int port,unsigned mask,unsigned timeout,unsigned id,const struct ibmad_port * srcport)87 uint8_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