1 /*
2 * Copyright (c) 2004-2008 Voltaire, Inc. All rights reserved.
3 * Copyright (c) 2002-2005 Mellanox Technologies LTD. All rights reserved.
4 * Copyright (c) 1996-2003 Intel Corporation. All rights reserved.
5 *
6 * This software is available to you under a choice of one of two
7 * licenses. You may choose to be licensed under the terms of the GNU
8 * General Public License (GPL) Version 2, available from the file
9 * COPYING in the main directory of this source tree, or the
10 * OpenIB.org BSD license below:
11 *
12 * Redistribution and use in source and binary forms, with or
13 * without modification, are permitted provided that the following
14 * conditions are met:
15 *
16 * - Redistributions of source code must retain the above
17 * copyright notice, this list of conditions and the following
18 * disclaimer.
19 *
20 * - Redistributions in binary form must reproduce the above
21 * copyright notice, this list of conditions and the following
22 * disclaimer in the documentation and/or other materials
23 * provided with the distribution.
24 *
25 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
26 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
27 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
28 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
29 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
30 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
31 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
32 * SOFTWARE.
33 *
34 */
35
36 /*
37 * Abstract:
38 * Implementation of osm_req_t.
39 * This object represents the generic attribute requester.
40 * This object is part of the opensm family of objects.
41 */
42
43 #if HAVE_CONFIG_H
44 # include <config.h>
45 #endif /* HAVE_CONFIG_H */
46
47 #include <string.h>
48 #include <iba/ib_types.h>
49 #include <complib/cl_debug.h>
50 #include <opensm/osm_madw.h>
51 #include <opensm/osm_attrib_req.h>
52 #include <opensm/osm_log.h>
53 #include <opensm/osm_helper.h>
54 #include <opensm/osm_mad_pool.h>
55 #include <opensm/osm_vl15intf.h>
56 #include <opensm/osm_msgdef.h>
57 #include <opensm/osm_opensm.h>
58
59 /**********************************************************************
60 The plock MAY or MAY NOT be held before calling this function.
61 **********************************************************************/
62 ib_api_status_t
osm_req_get(IN osm_sm_t * sm,IN const osm_dr_path_t * const p_path,IN const uint16_t attr_id,IN const uint32_t attr_mod,IN const cl_disp_msgid_t err_msg,IN const osm_madw_context_t * const p_context)63 osm_req_get(IN osm_sm_t * sm,
64 IN const osm_dr_path_t * const p_path,
65 IN const uint16_t attr_id,
66 IN const uint32_t attr_mod,
67 IN const cl_disp_msgid_t err_msg,
68 IN const osm_madw_context_t * const p_context)
69 {
70 osm_madw_t *p_madw;
71 ib_api_status_t status = IB_SUCCESS;
72 ib_net64_t tid;
73
74 CL_ASSERT(sm);
75
76 OSM_LOG_ENTER(sm->p_log);
77
78 CL_ASSERT(p_path);
79 CL_ASSERT(attr_id);
80
81 /* do nothing if we are exiting ... */
82 if (osm_exit_flag)
83 goto Exit;
84
85 /* p_context may be NULL. */
86
87 p_madw = osm_mad_pool_get(sm->p_mad_pool,
88 p_path->h_bind, MAD_BLOCK_SIZE, NULL);
89
90 if (p_madw == NULL) {
91 OSM_LOG(sm->p_log, OSM_LOG_ERROR,
92 "ERR 1101: Unable to acquire MAD\n");
93 status = IB_INSUFFICIENT_RESOURCES;
94 goto Exit;
95 }
96
97 tid = cl_hton64((uint64_t) cl_atomic_inc(&sm->sm_trans_id));
98
99 OSM_LOG(sm->p_log, OSM_LOG_DEBUG,
100 "Getting %s (0x%X), modifier 0x%X, TID 0x%" PRIx64 "\n",
101 ib_get_sm_attr_str(attr_id), cl_ntoh16(attr_id),
102 cl_ntoh32(attr_mod), cl_ntoh64(tid));
103
104 ib_smp_init_new(osm_madw_get_smp_ptr(p_madw),
105 IB_MAD_METHOD_GET,
106 tid,
107 attr_id,
108 attr_mod,
109 p_path->hop_count,
110 sm->p_subn->opt.m_key,
111 p_path->path, IB_LID_PERMISSIVE, IB_LID_PERMISSIVE);
112
113 p_madw->mad_addr.dest_lid = IB_LID_PERMISSIVE;
114 p_madw->mad_addr.addr_type.smi.source_lid = IB_LID_PERMISSIVE;
115 p_madw->resp_expected = TRUE;
116 p_madw->fail_msg = err_msg;
117
118 /*
119 Fill in the mad wrapper context for the recipient.
120 In this case, the only thing the recipient needs is the
121 guid value.
122 */
123
124 if (p_context)
125 p_madw->context = *p_context;
126
127 osm_vl15_post(sm->p_vl15, p_madw);
128
129 Exit:
130 OSM_LOG_EXIT(sm->p_log);
131 return (status);
132 }
133
134 /**********************************************************************
135 The plock MAY or MAY NOT be held before calling this function.
136 **********************************************************************/
137 ib_api_status_t
osm_req_set(IN osm_sm_t * sm,IN const osm_dr_path_t * const p_path,IN const uint8_t * const p_payload,IN const size_t payload_size,IN const uint16_t attr_id,IN const uint32_t attr_mod,IN const cl_disp_msgid_t err_msg,IN const osm_madw_context_t * const p_context)138 osm_req_set(IN osm_sm_t * sm,
139 IN const osm_dr_path_t * const p_path,
140 IN const uint8_t * const p_payload,
141 IN const size_t payload_size,
142 IN const uint16_t attr_id,
143 IN const uint32_t attr_mod,
144 IN const cl_disp_msgid_t err_msg,
145 IN const osm_madw_context_t * const p_context)
146 {
147 osm_madw_t *p_madw;
148 ib_api_status_t status = IB_SUCCESS;
149 ib_net64_t tid;
150
151 CL_ASSERT(sm);
152
153 OSM_LOG_ENTER(sm->p_log);
154
155 CL_ASSERT(p_path);
156 CL_ASSERT(attr_id);
157 CL_ASSERT(p_payload);
158
159 /* do nothing if we are exiting ... */
160 if (osm_exit_flag)
161 goto Exit;
162
163 /* p_context may be NULL. */
164
165 p_madw = osm_mad_pool_get(sm->p_mad_pool,
166 p_path->h_bind, MAD_BLOCK_SIZE, NULL);
167
168 if (p_madw == NULL) {
169 OSM_LOG(sm->p_log, OSM_LOG_ERROR,
170 "ERR 1102: Unable to acquire MAD\n");
171 status = IB_INSUFFICIENT_RESOURCES;
172 goto Exit;
173 }
174
175 tid = cl_hton64((uint64_t) cl_atomic_inc(&sm->sm_trans_id));
176
177 OSM_LOG(sm->p_log, OSM_LOG_DEBUG,
178 "Setting %s (0x%X), modifier 0x%X, TID 0x%" PRIx64 "\n",
179 ib_get_sm_attr_str(attr_id), cl_ntoh16(attr_id),
180 cl_ntoh32(attr_mod), cl_ntoh64(tid));
181
182 ib_smp_init_new(osm_madw_get_smp_ptr(p_madw),
183 IB_MAD_METHOD_SET,
184 tid,
185 attr_id,
186 attr_mod,
187 p_path->hop_count,
188 sm->p_subn->opt.m_key,
189 p_path->path, IB_LID_PERMISSIVE, IB_LID_PERMISSIVE);
190
191 p_madw->mad_addr.dest_lid = IB_LID_PERMISSIVE;
192 p_madw->mad_addr.addr_type.smi.source_lid = IB_LID_PERMISSIVE;
193 p_madw->resp_expected = TRUE;
194 p_madw->fail_msg = err_msg;
195
196 /*
197 Fill in the mad wrapper context for the recipient.
198 In this case, the only thing the recipient needs is the
199 guid value.
200 */
201
202 if (p_context)
203 p_madw->context = *p_context;
204
205 memcpy(osm_madw_get_smp_ptr(p_madw)->data, p_payload, payload_size);
206
207 osm_vl15_post(sm->p_vl15, p_madw);
208
209 Exit:
210 OSM_LOG_EXIT(sm->p_log);
211 return (status);
212 }
213
osm_send_trap144(osm_sm_t * sm,ib_net16_t local)214 int osm_send_trap144(osm_sm_t *sm, ib_net16_t local)
215 {
216 osm_madw_t *madw;
217 ib_smp_t *smp;
218 ib_mad_notice_attr_t *ntc;
219 osm_port_t *port;
220 ib_port_info_t *pi;
221
222 port = osm_get_port_by_guid(sm->p_subn, sm->p_subn->sm_port_guid);
223 if (!port) {
224 OSM_LOG(sm->p_log, OSM_LOG_ERROR,
225 "ERR 1104: cannot find SM port by guid 0x%" PRIx64 "\n",
226 cl_ntoh64(sm->p_subn->sm_port_guid));
227 return -1;
228 }
229
230 pi = &port->p_physp->port_info;
231
232 /* don't bother with sending trap when SMA supports this */
233 if (!local &&
234 pi->capability_mask&(IB_PORT_CAP_HAS_TRAP|IB_PORT_CAP_HAS_CAP_NTC))
235 return 0;
236
237 madw = osm_mad_pool_get(sm->p_mad_pool,
238 osm_sm_mad_ctrl_get_bind_handle(&sm->mad_ctrl),
239 MAD_BLOCK_SIZE, NULL);
240 if (madw == NULL) {
241 OSM_LOG(sm->p_log, OSM_LOG_ERROR,
242 "ERR 1105: Unable to acquire MAD\n");
243 return -1;
244 }
245
246 madw->mad_addr.dest_lid = pi->master_sm_base_lid;
247 madw->mad_addr.addr_type.smi.source_lid = pi->base_lid;
248 madw->fail_msg = CL_DISP_MSGID_NONE;
249
250 smp = osm_madw_get_smp_ptr(madw);
251 memset(smp, 0, sizeof(*smp));
252
253 smp->base_ver = 1;
254 smp->mgmt_class = IB_MCLASS_SUBN_LID;
255 smp->class_ver = 1;
256 smp->method = IB_MAD_METHOD_TRAP;
257 smp->trans_id = cl_hton64((uint64_t)cl_atomic_inc(&sm->sm_trans_id));
258 smp->attr_id = IB_MAD_ATTR_NOTICE;
259 smp->m_key = sm->p_subn->opt.m_key;
260
261 ntc = (ib_mad_notice_attr_t *)smp->data;
262
263 ntc->generic_type = 0x80 | IB_NOTICE_TYPE_INFO;
264 ib_notice_set_prod_type_ho(ntc, IB_NODE_TYPE_CA);
265 ntc->g_or_v.generic.trap_num = cl_hton16(144);
266 ntc->issuer_lid = pi->base_lid;
267 ntc->data_details.ntc_144.lid = pi->base_lid;
268 ntc->data_details.ntc_144.local_changes = local ?
269 TRAP_144_MASK_OTHER_LOCAL_CHANGES : 0;
270 ntc->data_details.ntc_144.new_cap_mask = pi->capability_mask;
271 ntc->data_details.ntc_144.change_flgs = local;
272
273 OSM_LOG(sm->p_log, OSM_LOG_DEBUG,
274 "Sending Trap 144, TID 0x%" PRIx64 " to SM lid %u\n",
275 cl_ntoh64(smp->trans_id), cl_ntoh16(pi->master_sm_base_lid));
276
277 osm_vl15_post(sm->p_vl15, madw);
278
279 return 0;
280 }
281