xref: /freebsd/contrib/ofed/libibmad/smp.c (revision dd41de95a84d979615a2ef11df6850622bf6184e)
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 
43 #include <infiniband/umad.h>
44 #include <infiniband/mad.h>
45 #include "mad_internal.h"
46 
47 #undef DEBUG
48 #define DEBUG 	if (ibdebug)	IBWARN
49 
50 void smp_mkey_set(struct ibmad_port *srcport, uint64_t mkey)
51 {
52 	srcport->smp_mkey = mkey;
53 }
54 
55 uint64_t smp_mkey_get(const struct ibmad_port *srcport)
56 {
57 	return srcport->smp_mkey;
58 }
59 
60 uint8_t *smp_set_status_via(void *data, ib_portid_t * portid, unsigned attrid,
61 			    unsigned mod, unsigned timeout, int *rstatus,
62 			    const struct ibmad_port *srcport)
63 {
64 	ib_rpc_t rpc = { 0 };
65 	uint8_t *res;
66 
67 	DEBUG("attr 0x%x mod 0x%x route %s", attrid, mod, portid2str(portid));
68 	if ((portid->lid <= 0) ||
69 	    (portid->drpath.drslid == 0xffff) ||
70 	    (portid->drpath.drdlid == 0xffff))
71 		rpc.mgtclass = IB_SMI_DIRECT_CLASS;	/* direct SMI */
72 	else
73 		rpc.mgtclass = IB_SMI_CLASS;	/* Lid routed SMI */
74 
75 	rpc.method = IB_MAD_METHOD_SET;
76 	rpc.attr.id = attrid;
77 	rpc.attr.mod = mod;
78 	rpc.timeout = timeout;
79 	rpc.datasz = IB_SMP_DATA_SIZE;
80 	rpc.dataoffs = IB_SMP_DATA_OFFS;
81 	rpc.mkey = srcport->smp_mkey;
82 
83 	portid->sl = 0;
84 	portid->qp = 0;
85 
86 	res = mad_rpc(srcport, &rpc, portid, data, data);
87 	if (rstatus)
88 		*rstatus = rpc.rstatus;
89 	return res;
90 }
91 
92 uint8_t *smp_set_via(void *data, ib_portid_t * portid, unsigned attrid,
93 		     unsigned mod, unsigned timeout,
94 		     const struct ibmad_port *srcport)
95 {
96 	return smp_set_status_via(data, portid, attrid, mod, timeout, NULL,
97 				  srcport);
98 }
99 
100 uint8_t *smp_set(void *data, ib_portid_t * portid, unsigned attrid,
101 		 unsigned mod, unsigned timeout)
102 {
103 	return smp_set_via(data, portid, attrid, mod, timeout, ibmp);
104 }
105 
106 uint8_t *smp_query_status_via(void *rcvbuf, ib_portid_t * portid,
107 			      unsigned attrid, unsigned mod, unsigned timeout,
108 			      int *rstatus, const struct ibmad_port * srcport)
109 {
110 	ib_rpc_t rpc = { 0 };
111 	uint8_t *res;
112 
113 	DEBUG("attr 0x%x mod 0x%x route %s", attrid, mod, portid2str(portid));
114 	rpc.method = IB_MAD_METHOD_GET;
115 	rpc.attr.id = attrid;
116 	rpc.attr.mod = mod;
117 	rpc.timeout = timeout;
118 	rpc.datasz = IB_SMP_DATA_SIZE;
119 	rpc.dataoffs = IB_SMP_DATA_OFFS;
120 	rpc.mkey = srcport->smp_mkey;
121 
122 	if ((portid->lid <= 0) ||
123 	    (portid->drpath.drslid == 0xffff) ||
124 	    (portid->drpath.drdlid == 0xffff))
125 		rpc.mgtclass = IB_SMI_DIRECT_CLASS;	/* direct SMI */
126 	else
127 		rpc.mgtclass = IB_SMI_CLASS;	/* Lid routed SMI */
128 
129 	portid->sl = 0;
130 	portid->qp = 0;
131 
132 	res = mad_rpc(srcport, &rpc, portid, rcvbuf, rcvbuf);
133 	if (rstatus)
134 		*rstatus = rpc.rstatus;
135 	return res;
136 }
137 
138 uint8_t *smp_query_via(void *rcvbuf, ib_portid_t * portid, unsigned attrid,
139 		       unsigned mod, unsigned timeout,
140 		       const struct ibmad_port * srcport)
141 {
142 	return smp_query_status_via(rcvbuf, portid, attrid, mod, timeout, NULL,
143 				    srcport);
144 }
145 
146 uint8_t *smp_query(void *rcvbuf, ib_portid_t * portid, unsigned attrid,
147 		   unsigned mod, unsigned timeout)
148 {
149 	return smp_query_via(rcvbuf, portid, attrid, mod, timeout, ibmp);
150 }
151