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_smir_rcv_t. 39 * This object represents the SMInfo Receiver object. 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_qmap.h> 50#include <complib/cl_passivelock.h> 51#include <complib/cl_debug.h> 52#include <complib/cl_qlist.h> 53#include <vendor/osm_vendor_api.h> 54#include <opensm/osm_madw.h> 55#include <opensm/osm_log.h> 56#include <opensm/osm_subnet.h> 57#include <opensm/osm_mad_pool.h> 58#include <opensm/osm_helper.h> 59#include <opensm/osm_msgdef.h> 60#include <opensm/osm_port.h> 61#include <opensm/osm_pkey.h> 62#include <opensm/osm_remote_sm.h> 63#include <opensm/osm_sa.h> 64#include <opensm/osm_opensm.h> 65 66typedef struct osm_smir_item { 67 cl_list_item_t list_item; 68 ib_sminfo_record_t rec; 69} osm_smir_item_t; 70 71typedef struct osm_smir_search_ctxt { 72 const ib_sminfo_record_t *p_rcvd_rec; 73 ib_net64_t comp_mask; 74 cl_qlist_t *p_list; 75 osm_sa_t *sa; 76 const osm_physp_t *p_req_physp; 77} osm_smir_search_ctxt_t; 78 79static ib_api_status_t 80__osm_smir_rcv_new_smir(IN osm_sa_t * sa, 81 IN const osm_port_t * const p_port, 82 IN cl_qlist_t * const p_list, 83 IN ib_net64_t const guid, 84 IN ib_net32_t const act_count, 85 IN uint8_t const pri_state, 86 IN const osm_physp_t * const p_req_physp) 87{ 88 osm_smir_item_t *p_rec_item; 89 ib_api_status_t status = IB_SUCCESS; 90 91 OSM_LOG_ENTER(sa->p_log); 92 93 p_rec_item = malloc(sizeof(*p_rec_item)); 94 if (p_rec_item == NULL) { 95 OSM_LOG(sa->p_log, OSM_LOG_ERROR, "ERR 2801: " 96 "rec_item alloc failed\n"); 97 status = IB_INSUFFICIENT_RESOURCES; 98 goto Exit; 99 } 100 101 OSM_LOG(sa->p_log, OSM_LOG_DEBUG, 102 "New SMInfo: GUID 0x%016" PRIx64 "\n", cl_ntoh64(guid)); 103 104 memset(p_rec_item, 0, sizeof(*p_rec_item)); 105 106 p_rec_item->rec.lid = osm_port_get_base_lid(p_port); 107 p_rec_item->rec.sm_info.guid = guid; 108 p_rec_item->rec.sm_info.act_count = act_count; 109 p_rec_item->rec.sm_info.pri_state = pri_state; 110 111 cl_qlist_insert_tail(p_list, &p_rec_item->list_item); 112 113Exit: 114 OSM_LOG_EXIT(sa->p_log); 115 return (status); 116} 117 118/********************************************************************** 119 **********************************************************************/ 120static void 121__osm_sa_smir_by_comp_mask(IN osm_sa_t * sa, 122 IN const osm_remote_sm_t * const p_rem_sm, 123 osm_smir_search_ctxt_t * const p_ctxt) 124{ 125 const ib_sminfo_record_t *const p_rcvd_rec = p_ctxt->p_rcvd_rec; 126 const osm_physp_t *const p_req_physp = p_ctxt->p_req_physp; 127 ib_net64_t const comp_mask = p_ctxt->comp_mask; 128 129 OSM_LOG_ENTER(sa->p_log); 130 131 if (comp_mask & IB_SMIR_COMPMASK_GUID) { 132 if (p_rem_sm->smi.guid != p_rcvd_rec->sm_info.guid) 133 goto Exit; 134 } 135 136 if (comp_mask & IB_SMIR_COMPMASK_PRIORITY) { 137 if (ib_sminfo_get_priority(&p_rem_sm->smi) != 138 ib_sminfo_get_priority(&p_rcvd_rec->sm_info)) 139 goto Exit; 140 } 141 142 if (comp_mask & IB_SMIR_COMPMASK_SMSTATE) { 143 if (ib_sminfo_get_state(&p_rem_sm->smi) != 144 ib_sminfo_get_state(&p_rcvd_rec->sm_info)) 145 goto Exit; 146 } 147 148 /* Implement any other needed search cases */ 149 150 __osm_smir_rcv_new_smir(sa, p_rem_sm->p_port, p_ctxt->p_list, 151 p_rem_sm->smi.guid, 152 p_rem_sm->smi.act_count, 153 p_rem_sm->smi.pri_state, p_req_physp); 154 155Exit: 156 OSM_LOG_EXIT(sa->p_log); 157} 158 159/********************************************************************** 160 **********************************************************************/ 161static void 162__osm_sa_smir_by_comp_mask_cb(IN cl_map_item_t * const p_map_item, 163 IN void *context) 164{ 165 const osm_remote_sm_t *const p_rem_sm = (osm_remote_sm_t *) p_map_item; 166 osm_smir_search_ctxt_t *const p_ctxt = 167 (osm_smir_search_ctxt_t *) context; 168 169 __osm_sa_smir_by_comp_mask(p_ctxt->sa, p_rem_sm, p_ctxt); 170} 171 172/********************************************************************** 173 **********************************************************************/ 174void osm_smir_rcv_process(IN void *ctx, IN void *data) 175{ 176 osm_sa_t *sa = ctx; 177 osm_madw_t *p_madw = data; 178 const ib_sa_mad_t *sad_mad; 179 const ib_sminfo_record_t *p_rcvd_rec; 180 const osm_port_t *p_port = NULL; 181 const ib_sm_info_t *p_smi; 182 cl_qlist_t rec_list; 183 osm_smir_search_ctxt_t context; 184 ib_api_status_t status = IB_SUCCESS; 185 ib_net64_t comp_mask; 186 ib_net64_t port_guid; 187 osm_physp_t *p_req_physp; 188 osm_port_t *local_port; 189 osm_remote_sm_t *p_rem_sm; 190 cl_qmap_t *p_sm_guid_tbl; 191 uint8_t pri_state; 192 193 CL_ASSERT(sa); 194 195 OSM_LOG_ENTER(sa->p_log); 196 197 CL_ASSERT(p_madw); 198 199 sad_mad = osm_madw_get_sa_mad_ptr(p_madw); 200 p_rcvd_rec = 201 (ib_sminfo_record_t *) ib_sa_mad_get_payload_ptr(sad_mad); 202 comp_mask = sad_mad->comp_mask; 203 204 CL_ASSERT(sad_mad->attr_id == IB_MAD_ATTR_SMINFO_RECORD); 205 206 /* we only support SubnAdmGet and SubnAdmGetTable methods */ 207 if (sad_mad->method != IB_MAD_METHOD_GET && 208 sad_mad->method != IB_MAD_METHOD_GETTABLE) { 209 OSM_LOG(sa->p_log, OSM_LOG_ERROR, "ERR 2804: " 210 "Unsupported Method (%s)\n", 211 ib_get_sa_method_str(sad_mad->method)); 212 osm_sa_send_error(sa, p_madw, IB_MAD_STATUS_UNSUP_METHOD_ATTR); 213 goto Exit; 214 } 215 216 /* update the requester physical port. */ 217 p_req_physp = osm_get_physp_by_mad_addr(sa->p_log, sa->p_subn, 218 osm_madw_get_mad_addr_ptr 219 (p_madw)); 220 if (p_req_physp == NULL) { 221 OSM_LOG(sa->p_log, OSM_LOG_ERROR, "ERR 2803: " 222 "Cannot find requester physical port\n"); 223 goto Exit; 224 } 225 226 if (osm_log_is_active(sa->p_log, OSM_LOG_DEBUG)) 227 osm_dump_sm_info_record(sa->p_log, p_rcvd_rec, OSM_LOG_DEBUG); 228 229 p_smi = &p_rcvd_rec->sm_info; 230 231 cl_qlist_init(&rec_list); 232 233 context.p_rcvd_rec = p_rcvd_rec; 234 context.p_list = &rec_list; 235 context.comp_mask = sad_mad->comp_mask; 236 context.sa = sa; 237 context.p_req_physp = p_req_physp; 238 239 cl_plock_acquire(sa->p_lock); 240 241 /* 242 If the user specified a LID, it obviously narrows our 243 work load, since we don't have to search every port 244 */ 245 if (comp_mask & IB_SMIR_COMPMASK_LID) { 246 status = 247 osm_get_port_by_base_lid(sa->p_subn, p_rcvd_rec->lid, 248 &p_port); 249 if ((status != IB_SUCCESS) || (p_port == NULL)) { 250 status = IB_NOT_FOUND; 251 OSM_LOG(sa->p_log, OSM_LOG_ERROR, "ERR 2806: " 252 "No port found with LID %u\n", 253 cl_ntoh16(p_rcvd_rec->lid)); 254 } 255 } 256 257 if (status == IB_SUCCESS) { 258 /* Handle our own SM first */ 259 local_port = osm_get_port_by_guid(sa->p_subn, 260 sa->p_subn->sm_port_guid); 261 if (!local_port) { 262 cl_plock_release(sa->p_lock); 263 OSM_LOG(sa->p_log, OSM_LOG_ERROR, "ERR 2809: " 264 "No port found with GUID 0x%016" PRIx64 "\n", 265 cl_ntoh64(sa->p_subn->sm_port_guid)); 266 goto Exit; 267 } 268 269 if (!p_port || local_port == p_port) { 270 if (FALSE == 271 osm_physp_share_pkey(sa->p_log, p_req_physp, 272 local_port->p_physp)) { 273 cl_plock_release(sa->p_lock); 274 OSM_LOG(sa->p_log, OSM_LOG_ERROR, "ERR 2805: " 275 "Cannot get SMInfo record due to pkey violation\n"); 276 goto Exit; 277 } 278 279 /* Check that other search components specified match */ 280 if ((comp_mask & IB_SMIR_COMPMASK_GUID) && 281 sa->p_subn->sm_port_guid != p_smi->guid) 282 goto Remotes; 283 if ((comp_mask & IB_SMIR_COMPMASK_PRIORITY) && 284 sa->p_subn->opt.sm_priority != 285 ib_sminfo_get_priority(p_smi)) 286 goto Remotes; 287 if ((comp_mask & IB_SMIR_COMPMASK_SMSTATE) && 288 sa->p_subn->sm_state != ib_sminfo_get_state(p_smi)) 289 goto Remotes; 290 291 /* Now, add local SMInfo to list */ 292 pri_state = sa->p_subn->sm_state & 0x0F; 293 pri_state |= 294 (sa->p_subn->opt.sm_priority & 0x0F) << 4; 295 __osm_smir_rcv_new_smir(sa, local_port, context.p_list, 296 sa->p_subn->sm_port_guid, 297 cl_ntoh32(sa->p_subn->p_osm->stats.qp0_mads_sent), 298 pri_state, p_req_physp); 299 } 300 301 Remotes: 302 if (p_port && p_port != local_port) { 303 /* Find remote SM corresponding to p_port */ 304 port_guid = osm_port_get_guid(p_port); 305 p_sm_guid_tbl = &sa->p_subn->sm_guid_tbl; 306 p_rem_sm = 307 (osm_remote_sm_t *) cl_qmap_get(p_sm_guid_tbl, 308 port_guid); 309 if (p_rem_sm != 310 (osm_remote_sm_t *) cl_qmap_end(p_sm_guid_tbl)) 311 __osm_sa_smir_by_comp_mask(sa, p_rem_sm, 312 &context); 313 else 314 OSM_LOG(sa->p_log, OSM_LOG_ERROR, "ERR 280A: " 315 "No remote SM for GUID 0x%016" PRIx64 316 "\n", cl_ntoh64(port_guid)); 317 } else { 318 /* Go over all other known (remote) SMs */ 319 cl_qmap_apply_func(&sa->p_subn->sm_guid_tbl, 320 __osm_sa_smir_by_comp_mask_cb, 321 &context); 322 } 323 } 324 325 cl_plock_release(sa->p_lock); 326 327 osm_sa_respond(sa, p_madw, sizeof(ib_sminfo_record_t), &rec_list); 328 329Exit: 330 OSM_LOG_EXIT(sa->p_log); 331} 332