contrib/ofed/management/opensm/opensm/osm_sa_sminfo_record.c

   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
  66 typedef struct osm_smir_item {
  67         cl_list_item_t list_item;
  68         ib_sminfo_record_t rec;
  69 } osm_smir_item_t;
  70
  71 typedef 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
  79 static 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
 113 Exit:
 114         OSM_LOG_EXIT(sa->p_log);
 115         return (status);
 116 }
 117
 118 /**********************************************************************
 119  **********************************************************************/
 120 static 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
 155 Exit:
 156         OSM_LOG_EXIT(sa->p_log);
 157 }
 158
 159 /**********************************************************************
 160  **********************************************************************/
 161 static 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  **********************************************************************/
 174 void 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
 329 Exit:
 330         OSM_LOG_EXIT(sa->p_log);
 331 }