1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 /* 22 * Copyright 2009 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 #include <sys/ib/mgt/ibcm/ibcm_impl.h> 27 #include <sys/ib/ibtl/ibti.h> 28 #include <sys/ib/mgt/ibcm/ibcm_arp.h> 29 30 /* 31 * ibcm_ti.c 32 * These routines implement the Communication Manager's interfaces to IBTL. 33 */ 34 35 /* CM rc recycle task args structure definition */ 36 typedef struct ibcm_taskq_recycle_arg_s { 37 ibt_channel_hdl_t rc_chan; 38 ibt_cep_flags_t control; 39 uint8_t hca_port_num; 40 ibt_recycle_handler_t func; 41 void *arg; 42 } ibcm_taskq_recycle_arg_t; 43 44 _NOTE(READ_ONLY_DATA(ibcm_taskq_recycle_arg_s)) 45 46 static ibt_status_t ibcm_init_reply_addr(ibcm_hca_info_t *hcap, 47 ibcm_mad_addr_t *reply_addr, ibt_chan_open_args_t *chan_args, 48 ibt_chan_open_flags_t flags, ib_time_t *cm_pkt_lt, ib_lid_t prim_slid); 49 static void ibcm_process_abort_via_taskq(void *args); 50 static ibt_status_t ibcm_process_rc_recycle_ret(void *recycle_arg); 51 static ibt_status_t ibcm_process_join_mcg(void *taskq_arg); 52 static void ibcm_process_async_join_mcg(void *tq_arg); 53 54 ibt_status_t ibcm_get_node_rec(ibmf_saa_handle_t, sa_node_record_t *, 55 uint64_t c_mask, void *, size_t *); 56 57 static ibt_status_t ibcm_close_rc_channel(ibt_channel_hdl_t channel, 58 ibcm_state_data_t *statep, ibt_execution_mode_t mode); 59 60 /* Address Record management definitions */ 61 #define IBCM_DAPL_ATS_NAME "DAPL Address Translation Service" 62 #define IBCM_DAPL_ATS_SID 0x10000CE100415453ULL 63 #define IBCM_DAPL_ATS_NBYTES 16 64 ibcm_svc_info_t *ibcm_ar_svcinfop; 65 ibcm_ar_t *ibcm_ar_list; 66 67 /* 68 * Tunable parameter to turnoff the overriding of pi_path_mtu value. 69 * 1 By default override the path record's pi_path_mtu value to 70 * IB_MTU_1K for all RC channels. This is done only for the 71 * channels established on Tavor HCA and the path's pi_path_mtu 72 * is greater than IB_MTU_1K. 73 * 0 Do not override, use pi_path_mtu by default. 74 */ 75 int ibcm_override_path_mtu = 1; 76 77 #ifdef DEBUG 78 static void ibcm_print_reply_addr(ibt_channel_hdl_t channel, 79 ibcm_mad_addr_t *cm_reply_addr); 80 #endif 81 82 _NOTE(DATA_READABLE_WITHOUT_LOCK(ibcm_port_info_s::{port_ibmf_hdl})) 83 84 /* access is controlled between ibcm_sm.c and ibcm_ti.c by CVs */ 85 _NOTE(SCHEME_PROTECTS_DATA("Serialized access by CV", {ibt_rc_returns_t 86 ibt_ud_returns_t ibt_ap_returns_t ibt_ar_t})) 87 88 /* 89 * Typically, clients initialize these args in one api call, and use in 90 * another api 91 */ 92 _NOTE(SCHEME_PROTECTS_DATA("Expected usage of ibtl api by client", 93 {ibt_path_info_s ibt_cep_path_s ibt_adds_vect_s ibt_mcg_info_s ib_gid_s 94 ibt_ud_dest_attr_s ibt_ud_dest_s ibt_srv_data_s ibt_redirect_info_s})) 95 96 /* 97 * ibt_open_rc_channel() 98 * ibt_open_rc_channel opens a communication channel on the specified 99 * channel to the specified service. For connection service type qp's 100 * the CM initiates the CEP to establish the connection and transitions 101 * the QP/EEC to the "Ready to send" State modifying the QP/EEC's 102 * attributes as necessary. 103 * The implementation of this function assumes that alt path is different 104 * from primary path. It is assumed that the Path functions ensure that. 105 * 106 * RETURN VALUES: 107 * IBT_SUCCESS on success (or respective failure on error) 108 */ 109 ibt_status_t 110 ibt_open_rc_channel(ibt_channel_hdl_t channel, ibt_chan_open_flags_t flags, 111 ibt_execution_mode_t mode, ibt_chan_open_args_t *chan_args, 112 ibt_rc_returns_t *ret_args) 113 { 114 /* all fields that are related to REQ MAD formation */ 115 116 ib_pkey_t prim_pkey; 117 ib_lid_t primary_slid, alternate_slid; 118 ib_qpn_t local_qpn = 0; 119 ib_guid_t hca_guid; 120 ib_qkey_t local_qkey = 0; 121 ib_eecn_t local_eecn = 0; 122 ib_eecn_t remote_eecn = 0; 123 boolean_t primary_grh; 124 boolean_t alternate_grh = B_FALSE; 125 ib_lid_t base_lid; 126 ib_com_id_t local_comid; 127 ibmf_msg_t *ibmf_msg, *ibmf_msg_dreq; 128 ibcm_req_msg_t *req_msgp; 129 130 uint8_t rdma_in, rdma_out; 131 uint8_t cm_retries; 132 uint64_t local_cm_proc_time; /* In usec */ 133 uint8_t local_cm_resp_time; /* IB time */ 134 uint64_t remote_cm_resp_time; /* In usec */ 135 uint32_t starting_psn = 0; 136 137 /* CM path related fields */ 138 ibmf_handle_t ibmf_hdl; 139 ibcm_qp_list_t *cm_qp_entry; 140 ibcm_mad_addr_t cm_reply_addr; 141 142 uint8_t cm_pkt_lt; 143 144 /* Local args for ibtl/internal CM functions called within */ 145 ibt_status_t status; 146 ibcm_status_t lkup_status; 147 ibt_qp_query_attr_t qp_query_attr; 148 149 /* Other misc local args */ 150 ibt_priv_data_len_t len; 151 ibcm_hca_info_t *hcap; 152 ibcm_state_data_t *statep; 153 uint8_t port_no; 154 155 IBTF_DPRINTF_L3(cmlog, "ibt_open_rc_channel(chan %p, %X, %x, %p, %p)", 156 channel, flags, mode, chan_args, ret_args); 157 158 if (IBCM_INVALID_CHANNEL(channel)) { 159 IBTF_DPRINTF_L2(cmlog, "ibt_open_rc_channel: invalid channel"); 160 return (IBT_CHAN_HDL_INVALID); 161 } 162 163 /* cm handler should always be specified */ 164 if (chan_args->oc_cm_handler == NULL) { 165 IBTF_DPRINTF_L2(cmlog, "ibt_open_rc_channel: chan 0x%p " 166 "CM handler is not be specified", channel); 167 return (IBT_INVALID_PARAM); 168 } 169 170 if (mode == IBT_NONBLOCKING) { 171 if (ret_args != NULL) { 172 IBTF_DPRINTF_L2(cmlog, "ibt_open_rc_channel: chan 0x%p" 173 " ret_args should be NULL when called in " 174 "non-blocking mode", channel); 175 return (IBT_INVALID_PARAM); 176 } 177 } else if (mode == IBT_BLOCKING) { 178 if (ret_args == NULL) { 179 IBTF_DPRINTF_L2(cmlog, "ibt_open_rc_channel: chan 0x%p" 180 " ret_args should be Non-NULL when called in " 181 "blocking mode", channel); 182 return (IBT_INVALID_PARAM); 183 } 184 if (ret_args->rc_priv_data_len > IBT_REP_PRIV_DATA_SZ) { 185 IBTF_DPRINTF_L2(cmlog, "ibt_open_rc_channel: chan 0x%p" 186 " private data length is too large", channel); 187 return (IBT_INVALID_PARAM); 188 } 189 if ((ret_args->rc_priv_data_len > 0) && 190 (ret_args->rc_priv_data == NULL)) { 191 IBTF_DPRINTF_L2(cmlog, "ibt_open_rc_channel: chan 0x%p" 192 " rc_priv_data_len > 0, but rc_priv_data NULL", 193 channel); 194 return (IBT_INVALID_PARAM); 195 } 196 } else { /* any other mode is not valid for ibt_open_rc_channel */ 197 IBTF_DPRINTF_L2(cmlog, "ibt_open_rc_channel: chan 0x%p " 198 "invalid mode %x specified", channel, mode); 199 return (IBT_INVALID_PARAM); 200 } 201 202 /* 203 * XXX: no support yet for ibt_chan_open_flags_t - IBT_OCHAN_DUP 204 */ 205 if (flags & IBT_OCHAN_DUP) { 206 IBTF_DPRINTF_L2(cmlog, "ibt_open_rc_channel: chan 0x%p " 207 "Unsupported Flags specified: 0x%X", channel, flags); 208 return (IBT_INVALID_PARAM); 209 } 210 211 if ((flags & IBT_OCHAN_REDIRECTED) && 212 (flags & IBT_OCHAN_PORT_REDIRECTED)) { 213 IBTF_DPRINTF_L2(cmlog, "ibt_open_rc_channel: chan 0x%p " 214 "Illegal to specify IBT_OCHAN_REDIRECTED and " 215 "IBT_OCHAN_PORT_REDIRECTED flags together", channel); 216 return (IBT_INVALID_PARAM); 217 } 218 219 if (((flags & IBT_OCHAN_REDIRECTED) && 220 (chan_args->oc_cm_redirect_info == NULL)) || 221 ((flags & IBT_OCHAN_PORT_REDIRECTED) && 222 (chan_args->oc_cm_cep_path == NULL))) { 223 IBTF_DPRINTF_L2(cmlog, "ibt_open_rc_channel: chan 0x%p " 224 "Redirect flag specified, but respective arg is NULL", 225 channel); 226 return (IBT_INVALID_PARAM); 227 } 228 229 if ((flags & IBT_OCHAN_REDIRECTED) && 230 (chan_args->oc_cm_redirect_info->rdi_dlid == 0) && 231 (chan_args->oc_cm_redirect_info->rdi_gid.gid_guid == 0)) { 232 IBTF_DPRINTF_L2(cmlog, "ibt_open_rc_channel: chan 0x%p " 233 "Either rdi_dlid or rdi_gid must be specified for" 234 " IBT_OCHAN_REDIRECTED", channel); 235 return (IBT_INVALID_PARAM); 236 } 237 238 /* primary dlid and hca_port_num should never be zero */ 239 port_no = IBCM_PRIM_CEP_PATH(chan_args).cep_hca_port_num; 240 241 if ((IBCM_PRIM_ADDS_VECT(chan_args).av_dlid == 0) && (port_no == 0)) { 242 IBTF_DPRINTF_L2(cmlog, "ibt_open_rc_channel: chan 0x%p " 243 "Primary Path's information is not valid", channel); 244 return (IBT_INVALID_PARAM); 245 } 246 247 /* validate SID */ 248 if (chan_args->oc_path->pi_sid == 0) { 249 IBTF_DPRINTF_L2(cmlog, "ibt_open_rc_channel: chan 0x%p " 250 "ERROR: Service ID in path information is 0", channel); 251 return (IBT_INVALID_PARAM); 252 } 253 IBTF_DPRINTF_L3(cmlog, "ibt_open_rc_channel: chan 0x%p SID %llX", 254 channel, chan_args->oc_path->pi_sid); 255 256 /* validate rnr_retry_cnt (enum has more than 3 bits) */ 257 if ((uint_t)chan_args->oc_path_rnr_retry_cnt > IBT_RNR_INFINITE_RETRY) { 258 IBTF_DPRINTF_L2(cmlog, "ibt_open_rc_channel: chan 0x%p " 259 "ERROR: oc_path_rnr_retry_cnt(%d) is out of range", 260 channel, chan_args->oc_path_rnr_retry_cnt); 261 return (IBT_INVALID_PARAM); 262 } 263 264 /* 265 * Ensure that client is not re-using a QP that is still associated 266 * with a statep 267 */ 268 IBCM_GET_CHAN_PRIVATE(channel, statep); 269 if (statep != NULL) { 270 IBCM_RELEASE_CHAN_PRIVATE(channel); 271 IBTF_DPRINTF_L2(cmlog, "ibt_open_rc_channel: chan 0x%p " 272 "Channel being re-used on active side", channel); 273 return (IBT_CHAN_IN_USE); 274 } 275 276 /* Get GUID from Channel */ 277 hca_guid = ibt_channel_to_hca_guid(channel); 278 279 /* validate QP's hca guid with that from primary path */ 280 if (hca_guid != chan_args->oc_path->pi_hca_guid) { 281 IBTF_DPRINTF_L2(cmlog, "ibt_open_rc_channel: chan 0x%p " 282 "GUID from Channel and primary path don't match", channel); 283 IBTF_DPRINTF_L2(cmlog, "ibt_open_rc_channel: chan 0x%p " 284 "Channel GUID %llX primary path GUID %llX", channel, 285 hca_guid, chan_args->oc_path->pi_hca_guid); 286 return (IBT_CHAN_HDL_INVALID); 287 } 288 289 IBTF_DPRINTF_L5(cmlog, "ibt_open_rc_channel: chan 0x%p " 290 "Local HCA GUID %llX", channel, hca_guid); 291 292 status = ibt_query_qp(channel, &qp_query_attr); 293 if (status != IBT_SUCCESS) { 294 IBTF_DPRINTF_L2(cmlog, "ibt_open_rc_channel: chan 0x%p " 295 "ibt_query_qp failed %d", channel, status); 296 return (status); 297 } 298 299 /* If client specified "no port change on QP" */ 300 if ((qp_query_attr.qp_info.qp_transport.rc.rc_path.cep_hca_port_num != 301 port_no) && (flags & IBT_OCHAN_PORT_FIXED)) { 302 IBTF_DPRINTF_L2(cmlog, "ibt_open_rc_channel: chan 0x%p " 303 "chan port %d and path port %d does not match", channel, 304 qp_query_attr.qp_info.qp_transport.rc.rc_path. \ 305 cep_hca_port_num, port_no); 306 return (IBT_INVALID_PARAM); 307 } 308 309 if (qp_query_attr.qp_info.qp_trans != IBT_RC_SRV) { 310 IBTF_DPRINTF_L2(cmlog, "ibt_open_rc_channel: chan 0x%p " 311 "Invalid Channel type: Applicable only to RC Channel", 312 channel); 313 return (IBT_CHAN_SRV_TYPE_INVALID); 314 } 315 316 /* Check if QP is in INIT state or not */ 317 if (qp_query_attr.qp_info.qp_state != IBT_STATE_INIT) { 318 IBTF_DPRINTF_L2(cmlog, "ibt_open_rc_channel: chan 0x%p " 319 "QP is not in INIT state %x", channel, 320 qp_query_attr.qp_info.qp_state); 321 return (IBT_CHAN_STATE_INVALID); 322 } 323 324 local_qpn = qp_query_attr.qp_qpn; 325 326 IBTF_DPRINTF_L5(cmlog, "ibt_open_rc_channel: chan 0x%p Active QPN 0x%x", 327 channel, local_qpn); 328 329 #ifdef NO_EEC_SUPPORT_YET 330 331 if (flags & IBT_OCHAN_RDC_EXISTS) { 332 ibt_eec_query_attr_t eec_query_attr; 333 334 local_qkey = qp_query_attr.qp_info.qp_transport.rd_qkey; 335 336 IBTF_DPRINTF_L5(cmlog, "ibt_open_rc_channel: RD"); 337 338 status = ibt_query_eec(channel, &eec_query_attr); 339 if (status != IBT_SUCCESS) { 340 IBTF_DPRINTF_L2(cmlog, "ibt_open_rc_channel: chan 0x%p" 341 " ibt_query_eec failed %d", channel, status); 342 return (status); 343 } 344 local_eecn = eec_query_attr.eec_eecn; 345 } 346 347 #endif 348 if (chan_args->oc_path->pi_prim_pkt_lt > ibcm_max_ib_pkt_lt) { 349 IBTF_DPRINTF_L2(cmlog, "ibt_open_rc_channel: chan 0x%p " 350 "Huge PktLifeTime %d, Max is %d", channel, 351 chan_args->oc_path->pi_prim_pkt_lt, ibcm_max_ib_pkt_lt); 352 return (IBT_PATH_PKT_LT_TOO_HIGH); 353 } 354 355 /* If no HCA found return failure */ 356 if ((hcap = ibcm_find_hca_entry(hca_guid)) == NULL) { 357 IBTF_DPRINTF_L2(cmlog, "ibt_open_rc_channel: chan 0x%p " 358 "hcap is NULL. Probably hca is not in active state", 359 channel); 360 return (IBT_CHAN_HDL_INVALID); 361 } 362 363 rdma_out = chan_args->oc_rdma_ra_out; 364 rdma_in = chan_args->oc_rdma_ra_in; 365 366 if ((rdma_in > hcap->hca_max_rdma_in_qp) || 367 (rdma_out > hcap->hca_max_rdma_out_qp)) { 368 IBTF_DPRINTF_L2(cmlog, "ibt_open_rc_channel: chan 0x%p " 369 "rdma in %d/out %d values exceed hca limits(%d/%d)", 370 channel, rdma_in, rdma_out, hcap->hca_max_rdma_in_qp, 371 hcap->hca_max_rdma_out_qp); 372 ibcm_dec_hca_acc_cnt(hcap); 373 return (IBT_INVALID_PARAM); 374 } 375 376 IBTF_DPRINTF_L5(cmlog, "ibt_open_rc_channel: chan 0x%p " 377 "rdma_in %d rdma_out %d", channel, rdma_in, rdma_out); 378 379 status = ibt_get_port_state_byguid(hcap->hca_guid, port_no, 380 NULL, &base_lid); 381 if (status != IBT_SUCCESS) { 382 IBTF_DPRINTF_L2(cmlog, "ibt_open_rc_channel: chan 0x%p " 383 "primary port_num %d not active", channel, port_no); 384 ibcm_dec_hca_acc_cnt(hcap); 385 return (status); 386 } 387 388 /* Validate P_KEY Index */ 389 status = ibt_index2pkey_byguid(hcap->hca_guid, port_no, 390 IBCM_PRIM_CEP_PATH(chan_args).cep_pkey_ix, &prim_pkey); 391 if (status != IBT_SUCCESS) { 392 IBTF_DPRINTF_L2(cmlog, "ibt_open_rc_channel: chan 0x%p " 393 "Invalid Primary PKeyIx %x", channel, 394 IBCM_PRIM_CEP_PATH(chan_args).cep_pkey_ix); 395 ibcm_dec_hca_acc_cnt(hcap); 396 return (status); 397 } 398 399 IBTF_DPRINTF_L5(cmlog, "ibt_open_rc_channel: chan 0x%p " 400 "primary_port_num %d primary_pkey 0x%x", channel, port_no, 401 prim_pkey); 402 403 if ((hcap->hca_port_info[port_no - 1].port_ibmf_hdl == NULL) && 404 ((status = ibcm_hca_reinit_port(hcap, port_no - 1)) 405 != IBT_SUCCESS)) { 406 IBTF_DPRINTF_L2(cmlog, "ibt_open_rc_channel: chan 0x%p " 407 "ibmf reg or callback setup failed during re-initialize", 408 channel); 409 ibcm_dec_hca_acc_cnt(hcap); 410 return (status); 411 } 412 413 ibmf_hdl = hcap->hca_port_info[port_no - 1].port_ibmf_hdl; 414 IBTF_DPRINTF_L5(cmlog, "ibt_open_rc_channel: chan 0x%p " 415 "primary ibmf_hdl = 0x%p", channel, ibmf_hdl); 416 417 primary_slid = base_lid + IBCM_PRIM_ADDS_VECT(chan_args).av_src_path; 418 419 IBTF_DPRINTF_L5(cmlog, "ibt_open_rc_channel: channel 0x%p " 420 "primary SLID = %x", channel, primary_slid); 421 422 /* check first if alternate path exists or not as it is OPTIONAL */ 423 if (IBCM_ALT_CEP_PATH(chan_args).cep_hca_port_num != 0) { 424 uint8_t alt_port_no; 425 426 alt_port_no = IBCM_ALT_CEP_PATH(chan_args).cep_hca_port_num; 427 428 if (chan_args->oc_path->pi_alt_pkt_lt > ibcm_max_ib_pkt_lt) { 429 IBTF_DPRINTF_L2(cmlog, "ibt_open_rc_channel: chan 0x%p " 430 "Huge Alt Pkt lt %d", channel, 431 chan_args->oc_path->pi_alt_pkt_lt); 432 ibcm_dec_hca_acc_cnt(hcap); 433 return (IBT_PATH_PKT_LT_TOO_HIGH); 434 } 435 436 if (port_no != alt_port_no) { 437 438 status = ibt_get_port_state_byguid(hcap->hca_guid, 439 alt_port_no, NULL, &base_lid); 440 if (status != IBT_SUCCESS) { 441 442 IBTF_DPRINTF_L2(cmlog, "ibt_open_rc_channel: " 443 "chan 0x%p alt_port_num %d inactive %d", 444 channel, alt_port_no, status); 445 ibcm_dec_hca_acc_cnt(hcap); 446 return (status); 447 } 448 449 } 450 alternate_slid = 451 base_lid + IBCM_ALT_ADDS_VECT(chan_args).av_src_path; 452 453 IBTF_DPRINTF_L5(cmlog, "ibt_open_rc_channel: chan 0x%p " 454 "alternate SLID = %x", channel, alternate_slid); 455 } 456 457 /* 458 * only pkey needs to be zero'ed, because all other fields are set in 459 * in ibcm_init_reply_addr. But, let's bzero the complete struct for 460 * any future modifications. 461 */ 462 bzero(&cm_reply_addr, sizeof (cm_reply_addr)); 463 464 /* Initialize the MAD destination address in stored_reply_addr */ 465 if ((status = ibcm_init_reply_addr(hcap, &cm_reply_addr, chan_args, 466 flags, &cm_pkt_lt, primary_slid)) != IBT_SUCCESS) { 467 468 IBTF_DPRINTF_L2(cmlog, "ibt_open_rc_channel: chan 0x%p " 469 "ibcm_init_reply_addr failed status %d ", channel, status); 470 ibcm_dec_hca_acc_cnt(hcap); 471 return (status); 472 } 473 474 475 /* Initialize the pkey for CM MAD communication */ 476 if (cm_reply_addr.rcvd_addr.ia_p_key == 0) 477 cm_reply_addr.rcvd_addr.ia_p_key = prim_pkey; 478 479 #ifdef DEBUG 480 ibcm_print_reply_addr(channel, &cm_reply_addr); 481 #endif 482 483 /* Retrieve an ibmf qp for sending CM MADs */ 484 if ((cm_qp_entry = ibcm_find_qp(hcap, port_no, 485 cm_reply_addr.rcvd_addr.ia_p_key)) == NULL) { 486 IBTF_DPRINTF_L2(cmlog, "ibt_open_rc_channel: chan 0x%p " 487 "unable to allocate ibmf qp for CM MADs", channel); 488 ibcm_dec_hca_acc_cnt(hcap); 489 return (IBT_INSUFF_RESOURCE); 490 } 491 492 493 if (ibcm_alloc_comid(hcap, &local_comid) != IBCM_SUCCESS) { 494 ibcm_release_qp(cm_qp_entry); 495 ibcm_dec_hca_acc_cnt(hcap); 496 IBTF_DPRINTF_L2(cmlog, "ibt_open_rc_channel: chan 0x%p" 497 " Unable to allocate comid", channel); 498 return (IBT_INSUFF_KERNEL_RESOURCE); 499 } 500 501 /* allocate an IBMF mad buffer (REQ) */ 502 if ((status = ibcm_alloc_out_msg(ibmf_hdl, &ibmf_msg, 503 MAD_METHOD_SEND)) != IBT_SUCCESS) { 504 IBTF_DPRINTF_L2(cmlog, "ibt_open_rc_channel: " 505 "chan 0x%p ibcm_alloc_out_msg failed", channel); 506 ibcm_release_qp(cm_qp_entry); 507 ibcm_free_comid(hcap, local_comid); 508 ibcm_dec_hca_acc_cnt(hcap); 509 return (status); 510 } 511 512 /* allocate an IBMF mad buffer (DREQ) */ 513 if ((status = ibcm_alloc_out_msg(ibmf_hdl, &ibmf_msg_dreq, 514 MAD_METHOD_SEND)) != IBT_SUCCESS) { 515 IBTF_DPRINTF_L2(cmlog, "ibt_open_rc_channel: " 516 "chan 0x%p ibcm_alloc_out_msg failed", channel); 517 (void) ibcm_free_out_msg(ibmf_hdl, &ibmf_msg); 518 ibcm_release_qp(cm_qp_entry); 519 ibcm_free_comid(hcap, local_comid); 520 ibcm_dec_hca_acc_cnt(hcap); 521 return (status); 522 } 523 524 /* Init to Init, if QP's port does not match with path information */ 525 if (qp_query_attr.qp_info.qp_transport.rc.rc_path.cep_hca_port_num != 526 IBCM_PRIM_CEP_PATH(chan_args).cep_hca_port_num) { 527 528 ibt_qp_info_t qp_info; 529 ibt_cep_modify_flags_t cep_flags; 530 531 IBTF_DPRINTF_L5(cmlog, "ibt_open_rc_channel: " 532 "chan 0x%p chan port %d", channel, 533 qp_query_attr.qp_info.qp_transport.rc.rc_path.\ 534 cep_hca_port_num); 535 536 IBTF_DPRINTF_L5(cmlog, "ibt_open_rc_channel: " 537 "chan 0x%p path port %d", channel, port_no); 538 539 bzero(&qp_info, sizeof (qp_info)); 540 /* For now, set it to RC type */ 541 542 qp_info.qp_trans = IBT_RC_SRV; 543 qp_info.qp_state = IBT_STATE_INIT; 544 qp_info.qp_transport.rc.rc_path.cep_hca_port_num = port_no; 545 546 cep_flags = IBT_CEP_SET_STATE | IBT_CEP_SET_PORT; 547 548 status = ibt_modify_qp(channel, cep_flags, &qp_info, NULL); 549 550 if (status != IBT_SUCCESS) { 551 IBTF_DPRINTF_L2(cmlog, "ibt_open_rc_channel: " 552 "chan 0x%p ibt_modify_qp() = %d", channel, status); 553 ibcm_release_qp(cm_qp_entry); 554 ibcm_free_comid(hcap, local_comid); 555 ibcm_dec_hca_acc_cnt(hcap); 556 (void) ibcm_free_out_msg(ibmf_hdl, &ibmf_msg); 557 (void) ibcm_free_out_msg(ibmf_hdl, &ibmf_msg_dreq); 558 return (status); 559 } else 560 IBTF_DPRINTF_L5(cmlog, "ibt_open_rc_channel: " 561 "chan 0x%p ibt_modify_qp() = %d", channel, status); 562 } 563 564 /* allocate ibcm_state_data_t before grabbing the WRITER lock */ 565 statep = kmem_zalloc(sizeof (ibcm_state_data_t), KM_SLEEP); 566 rw_enter(&hcap->hca_state_rwlock, RW_WRITER); 567 lkup_status = ibcm_lookup_msg(IBCM_OUTGOING_REQ, local_comid, 0, 0, 568 hcap, &statep); 569 rw_exit(&hcap->hca_state_rwlock); 570 571 /* CM should be seeing this for the first time */ 572 ASSERT(lkup_status == IBCM_LOOKUP_NEW); 573 574 /* Increment the hca's resource count */ 575 ibcm_inc_hca_res_cnt(hcap); 576 577 /* Once a resource created on hca, no need to hold the acc cnt */ 578 ibcm_dec_hca_acc_cnt(hcap); 579 580 _NOTE(NOW_INVISIBLE_TO_OTHER_THREADS(*statep)) 581 582 statep->timerid = 0; 583 statep->local_hca_guid = hca_guid; 584 statep->local_qpn = local_qpn; 585 statep->stored_reply_addr.cm_qp_entry = cm_qp_entry; 586 statep->prim_port = IBCM_PRIM_CEP_PATH(chan_args).cep_hca_port_num; 587 statep->alt_port = IBCM_ALT_CEP_PATH(chan_args).cep_hca_port_num; 588 589 590 /* Save "statep" as channel's CM private data. */ 591 statep->channel = channel; 592 IBCM_SET_CHAN_PRIVATE(statep->channel, statep); 593 594 statep->stored_msg = ibmf_msg; 595 statep->dreq_msg = ibmf_msg_dreq; 596 597 _NOTE(NOW_INVISIBLE_TO_OTHER_THREADS(*req_msgp)) 598 599 /* Start filling in the REQ MAD */ 600 req_msgp = (ibcm_req_msg_t *)IBCM_OUT_MSGP(statep->stored_msg); 601 req_msgp->req_local_comm_id = h2b32(local_comid); 602 req_msgp->req_svc_id = h2b64(chan_args->oc_path->pi_sid); 603 req_msgp->req_local_ca_guid = h2b64(hca_guid); 604 req_msgp->req_local_qkey = h2b32(local_qkey); /* for EEC/RD */ 605 606 /* Bytes 32-35 are req_local_qpn and req_off_resp_resources */ 607 req_msgp->req_local_qpn_plus = h2b32(local_qpn << 8 | rdma_in); 608 609 /* Bytes 36-39 are req_local_eec_no and req_off_initiator_depth */ 610 req_msgp->req_local_eec_no_plus = h2b32(local_eecn << 8 | rdma_out); 611 612 if (flags & IBT_OCHAN_REMOTE_CM_TM) 613 remote_cm_resp_time = chan_args->oc_remote_cm_time; 614 else 615 remote_cm_resp_time = ibcm_remote_response_time; 616 617 /* 618 * Bytes 40-43 - remote_eecn, remote_cm_resp_time, tran_type, 619 * IBT_CM_FLOW_CONTROL is always set by default. 620 */ 621 req_msgp->req_remote_eecn_plus = h2b32( 622 remote_eecn << 8 | (ibt_usec2ib(remote_cm_resp_time) & 0x1f) << 3 | 623 IBT_RC_SRV << 1 | IBT_CM_FLOW_CONTROL); 624 625 if (flags & IBT_OCHAN_LOCAL_CM_TM) 626 local_cm_proc_time = chan_args->oc_local_cm_time; 627 else 628 local_cm_proc_time = ibcm_local_processing_time; 629 630 local_cm_resp_time = ibt_usec2ib(local_cm_proc_time + 631 2 * ibt_ib2usec(chan_args->oc_path->pi_prim_pkt_lt) + 632 ibcm_sw_delay); 633 634 /* save retry count */ 635 statep->cep_retry_cnt = chan_args->oc_path_retry_cnt; 636 637 if (flags & IBT_OCHAN_STARTING_PSN) 638 starting_psn = chan_args->oc_starting_psn; 639 640 if (local_cm_resp_time > 0x1f) 641 local_cm_resp_time = 0x1f; 642 643 /* Bytes 44-47 are req_starting_psn, local_cm_resp_time and retry_cnt */ 644 req_msgp->req_starting_psn_plus = h2b32(starting_psn << 8 | 645 local_cm_resp_time << 3 | statep->cep_retry_cnt); 646 647 IBTF_DPRINTF_L5(cmlog, "ibt_open_rc_channel: chan 0x%p " 648 "Prim Pkt lt (IB time) 0x%x", channel, 649 chan_args->oc_path->pi_prim_pkt_lt); 650 651 IBTF_DPRINTF_L5(cmlog, "ibt_open_rc_channel: chan 0x%p " 652 "local_cm_proc_time(usec) %d ", channel, local_cm_proc_time); 653 654 IBTF_DPRINTF_L5(cmlog, "ibt_open_rc_channel: chan 0x%p " 655 "local_cm_resp_time(ib_time) %d", channel, local_cm_resp_time); 656 657 IBTF_DPRINTF_L5(cmlog, "ibt_open_rc_channel: chan 0x%p " 658 "remote_cm_resp_time (usec) %d", channel, remote_cm_resp_time); 659 660 statep->starting_psn = starting_psn; 661 662 /* Pkey - bytes 48-49 */ 663 req_msgp->req_part_key = h2b16(prim_pkey); 664 665 if (flags & IBT_OCHAN_CM_RETRY) 666 cm_retries = chan_args->oc_cm_retry_cnt; 667 else 668 cm_retries = ibcm_max_retries; 669 670 statep->max_cm_retries = statep->remaining_retry_cnt = cm_retries; 671 req_msgp->req_max_cm_retries_plus = statep->max_cm_retries << 4; 672 673 /* 674 * Check whether SRQ is associated with this Channel, if yes, then 675 * set the SRQ Exists bit in the REQ. 676 */ 677 if (qp_query_attr.qp_srq != NULL) { 678 req_msgp->req_max_cm_retries_plus |= (1 << 3); 679 } 680 681 /* 682 * By default on Tavor, we override the PathMTU to 1K. 683 * To turn this off, set ibcm_override_path_mtu = 0. 684 */ 685 if (ibcm_override_path_mtu && IBCM_IS_HCA_TAVOR(hcap) && 686 (chan_args->oc_path->pi_path_mtu > IB_MTU_1K)) { 687 req_msgp->req_mtu_plus = IB_MTU_1K << 4 | 688 chan_args->oc_path_rnr_retry_cnt; 689 IBTF_DPRINTF_L3(cmlog, "ibt_open_rc_channel: chan 0x%p PathMTU" 690 " overidden to IB_MTU_1K(%d) from %d", channel, IB_MTU_1K, 691 chan_args->oc_path->pi_path_mtu); 692 } else 693 req_msgp->req_mtu_plus = chan_args->oc_path->pi_path_mtu << 4 | 694 chan_args->oc_path_rnr_retry_cnt; 695 696 IBTF_DPRINTF_L5(cmlog, "ibt_open_rc_channel: chan 0x%p CM retry cnt %d" 697 " staring PSN %x", channel, cm_retries, starting_psn); 698 699 700 #ifdef NO_EEC_SUPPORT_YET 701 if (flags & IBT_OCHAN_RDC_EXISTS) 702 req_msgp->req_mtu_plus |= 8; 703 #endif 704 705 /* Initialize the "primary" port stuff next - bytes 52-95 */ 706 req_msgp->req_primary_l_port_lid = h2b16(primary_slid); 707 req_msgp->req_primary_r_port_lid = 708 h2b16(IBCM_PRIM_ADDS_VECT(chan_args).av_dlid); 709 req_msgp->req_primary_l_port_gid.gid_prefix = 710 h2b64(IBCM_PRIM_ADDS_VECT(chan_args).av_sgid.gid_prefix); 711 req_msgp->req_primary_l_port_gid.gid_guid = 712 h2b64(IBCM_PRIM_ADDS_VECT(chan_args).av_sgid.gid_guid); 713 req_msgp->req_primary_r_port_gid.gid_prefix = 714 h2b64(IBCM_PRIM_ADDS_VECT(chan_args).av_dgid.gid_prefix); 715 req_msgp->req_primary_r_port_gid.gid_guid = 716 h2b64(IBCM_PRIM_ADDS_VECT(chan_args).av_dgid.gid_guid); 717 primary_grh = IBCM_PRIM_ADDS_VECT(chan_args).av_send_grh; 718 719 statep->remote_hca_guid = /* not correct, but helpful for debugging */ 720 IBCM_PRIM_ADDS_VECT(chan_args).av_dgid.gid_guid; 721 722 /* Bytes 88-91 - primary_flowlbl, and primary_srate */ 723 req_msgp->req_primary_flow_label_plus = 724 h2b32(((primary_grh == B_TRUE) ? 725 (IBCM_PRIM_ADDS_VECT(chan_args).av_flow << 12) : 0) | 726 IBCM_PRIM_ADDS_VECT(chan_args).av_srate); 727 req_msgp->req_primary_traffic_class = (primary_grh == B_TRUE) ? 728 IBCM_PRIM_ADDS_VECT(chan_args).av_tclass : 0; 729 req_msgp->req_primary_hop_limit = (primary_grh == B_TRUE) ? 730 IBCM_PRIM_ADDS_VECT(chan_args).av_hop : 1; 731 req_msgp->req_primary_sl_plus = 732 IBCM_PRIM_ADDS_VECT(chan_args).av_srvl << 4 | 733 ((primary_grh == B_TRUE) ? 0 : 8); 734 735 req_msgp->req_primary_localtime_plus = 736 ibt_usec2ib((2 * ibt_ib2usec(chan_args->oc_path->pi_prim_pkt_lt)) + 737 ibt_ib2usec(hcap->hca_ack_delay)) << 3; 738 739 IBTF_DPRINTF_L2(cmlog, "ibt_open_rc_channel: chan %p statep %p", 740 channel, statep); 741 IBTF_DPRINTF_L5(cmlog, "ibt_open_rc_channel: chan 0x%p " 742 "active hca_ack_delay (usec) %d", channel, 743 req_msgp->req_primary_localtime_plus); 744 745 IBTF_DPRINTF_L5(cmlog, "ibt_open_rc_channel: chan 0x%p " 746 "Sent primary cep timeout (IB Time) %d", channel, 747 hcap->hca_ack_delay); 748 749 IBTF_DPRINTF_L5(cmlog, "ibt_open_rc_channel: chan 0x%p prim_dlid %x ", 750 channel, IBCM_PRIM_ADDS_VECT(chan_args).av_dlid); 751 752 IBTF_DPRINTF_L5(cmlog, "ibt_open_rc_channel: chan 0x%p " 753 "prim GID %llX:%llX", channel, 754 IBCM_PRIM_ADDS_VECT(chan_args).av_dgid.gid_prefix, 755 IBCM_PRIM_ADDS_VECT(chan_args).av_dgid.gid_guid); 756 757 /* Initialize the "alternate" port stuff - optional */ 758 if (chan_args->oc_path->pi_alt_cep_path.cep_hca_port_num != 0) { 759 ib_gid_t tmp_gid; 760 761 req_msgp->req_alt_l_port_lid = h2b16(alternate_slid); 762 req_msgp->req_alt_r_port_lid = 763 h2b16(IBCM_ALT_ADDS_VECT(chan_args).av_dlid); 764 /* 765 * doing all this as req_alt_r/l_port_gid is at offset 766 * 100, 116 which is not divisible by 8 767 */ 768 769 tmp_gid.gid_prefix = 770 h2b64(IBCM_ALT_ADDS_VECT(chan_args).av_dgid.gid_prefix); 771 tmp_gid.gid_guid = 772 h2b64(IBCM_ALT_ADDS_VECT(chan_args).av_dgid.gid_guid); 773 bcopy(&tmp_gid, &req_msgp->req_alt_r_port_gid[0], 774 sizeof (ib_gid_t)); 775 tmp_gid.gid_prefix = 776 h2b64(IBCM_ALT_ADDS_VECT(chan_args).av_sgid.gid_prefix); 777 tmp_gid.gid_guid = 778 h2b64(IBCM_ALT_ADDS_VECT(chan_args).av_sgid.gid_guid); 779 780 bcopy(&tmp_gid, &req_msgp->req_alt_l_port_gid[0], 781 sizeof (ib_gid_t)); 782 alternate_grh = IBCM_ALT_ADDS_VECT(chan_args).av_send_grh; 783 784 /* Bytes 132-135 - alternate_flow_label, and alternate srate */ 785 req_msgp->req_alt_flow_label_plus = h2b32( 786 (((alternate_grh == B_TRUE) ? 787 (IBCM_ALT_ADDS_VECT(chan_args).av_flow << 12) : 0) | 788 IBCM_ALT_ADDS_VECT(chan_args).av_srate)); 789 req_msgp->req_alt_traffic_class = (alternate_grh == B_TRUE) ? 790 IBCM_ALT_ADDS_VECT(chan_args).av_tclass : 0; 791 req_msgp->req_alt_hop_limit = (alternate_grh == B_TRUE) ? 792 IBCM_ALT_ADDS_VECT(chan_args).av_hop : 1; 793 req_msgp->req_alt_sl_plus = 794 IBCM_ALT_ADDS_VECT(chan_args).av_srvl << 4 | 795 ((alternate_grh == B_TRUE) ? 0 : 8); 796 req_msgp->req_alt_localtime_plus = ibt_usec2ib((2 * 797 ibt_ib2usec(chan_args->oc_path->pi_alt_pkt_lt)) + 798 ibt_ib2usec(hcap->hca_ack_delay)) << 3; 799 800 IBTF_DPRINTF_L5(cmlog, "ibt_open_rc_channel: chan 0x%p " 801 "alt_dlid %x ", channel, 802 IBCM_ALT_ADDS_VECT(chan_args).av_dlid); 803 804 IBTF_DPRINTF_L5(cmlog, "ibt_open_rc_channel: chan 0x%p " 805 "alt GID %llX:%llX", channel, 806 IBCM_ALT_ADDS_VECT(chan_args).av_dgid.gid_prefix, 807 IBCM_ALT_ADDS_VECT(chan_args).av_dgid.gid_guid); 808 } 809 810 len = min(chan_args->oc_priv_data_len, IBT_REQ_PRIV_DATA_SZ); 811 if ((len > 0) && chan_args->oc_priv_data) 812 bcopy(chan_args->oc_priv_data, req_msgp->req_private_data, len); 813 814 _NOTE(NOW_VISIBLE_TO_OTHER_THREADS(*req_msgp)) 815 816 /* return_data is filled up in the state machine code */ 817 if (ret_args != NULL) { 818 statep->open_return_data = ret_args; 819 } 820 821 /* initialize some statep fields here */ 822 statep->mode = IBCM_ACTIVE_MODE; 823 statep->hcap = hcap; 824 825 statep->cm_handler = chan_args->oc_cm_handler; 826 statep->state_cm_private = chan_args->oc_cm_clnt_private; 827 828 statep->pkt_life_time = 829 ibt_ib2usec(chan_args->oc_path->pi_prim_pkt_lt); 830 831 statep->timer_value = ibt_ib2usec(ibt_usec2ib( 832 2 * ibt_ib2usec(cm_pkt_lt) + remote_cm_resp_time)); 833 834 /* Initialize statep->stored_reply_addr */ 835 statep->stored_reply_addr.ibmf_hdl = ibmf_hdl; 836 837 /* Initialize stored reply addr fields */ 838 statep->stored_reply_addr.grh_hdr = cm_reply_addr.grh_hdr; 839 statep->stored_reply_addr.rcvd_addr = cm_reply_addr.rcvd_addr; 840 statep->stored_reply_addr.grh_exists = cm_reply_addr.grh_exists; 841 statep->stored_reply_addr.port_num = cm_reply_addr.port_num; 842 843 /* 844 * The IPD on local/active side is calculated by path functions, 845 * hence available in the args of ibt_open_rc_channel 846 */ 847 statep->local_srate = IBCM_PRIM_ADDS_VECT(chan_args).av_srate; 848 statep->local_alt_srate = IBCM_ALT_ADDS_VECT(chan_args).av_srate; 849 850 /* Store the source path bits for primary and alt paths */ 851 statep->prim_src_path_bits = IBCM_PRIM_ADDS_VECT(chan_args).av_src_path; 852 statep->alt_src_path_bits = IBCM_ALT_ADDS_VECT(chan_args).av_src_path; 853 854 statep->open_flow = 1; 855 statep->open_done = B_FALSE; 856 statep->state = statep->timer_stored_state = IBCM_STATE_REQ_SENT; 857 IBCM_REF_CNT_INCR(statep); /* Decremented before return */ 858 IBCM_REF_CNT_INCR(statep); /* Decremented after REQ is posted */ 859 statep->send_mad_flags |= IBCM_REQ_POST_BUSY; 860 861 IBCM_OUT_HDRP(statep->stored_msg)->AttributeID = 862 h2b16(IBCM_INCOMING_REQ + IBCM_ATTR_BASE_ID); 863 864 IBCM_OUT_HDRP(statep->stored_msg)->TransactionID = 865 h2b64(ibcm_generate_tranid(IBCM_INCOMING_REQ, statep->local_comid, 866 0)); 867 868 _NOTE(NOW_VISIBLE_TO_OTHER_THREADS(*statep)) 869 870 ibcm_open_enqueue(statep); 871 872 mutex_enter(&statep->state_mutex); 873 874 if (mode == IBT_BLOCKING) { 875 876 /* wait for REQ/REP/RTU */ 877 while (statep->open_done != B_TRUE) { 878 cv_wait(&statep->block_client_cv, &statep->state_mutex); 879 } 880 881 /* 882 * In the case that open_channel() fails because of a 883 * REJ or timeout, change retval to IBT_CM_FAILURE 884 */ 885 if (statep->open_return_data->rc_status != IBT_CM_ACCEPT) 886 status = IBT_CM_FAILURE; 887 888 IBTF_DPRINTF_L3(cmlog, "ibt_open_rc_channel: chan 0x%p " 889 "ret status %d cm status %d", channel, status, 890 statep->open_return_data->rc_status); 891 } 892 893 /* decrement the ref-count before leaving here */ 894 IBCM_REF_CNT_DECR(statep); 895 896 mutex_exit(&statep->state_mutex); 897 898 IBTF_DPRINTF_L4(cmlog, "ibt_open_rc_channel: chan 0x%p done", channel); 899 return (status); 900 } 901 902 /* 903 * ibcm_init_reply_addr: 904 * 905 * The brief description of functionality below. 906 * 907 * For IBT_OCHAN_PORT_REDIRECTED (ie., port redirected case): 908 * Build CM path from chan_args->oc_cm_cep_path 909 * Set CM pkt lt (ie.,life time) to chan_args->oc_cm_pkt_lt 910 * 911 * For IBT_OCHAN_REDIRECTED (ie., port and CM redirected case): 912 * If Redirect LID is specified, 913 * If Redirect GID is not specified or specified to be on the same 914 * subnet, then 915 * Build CM path from chan_args->oc_cm_redirect_info 916 * Set CM pkt lt to subnet timeout 917 * Else (ie., GID specified, but on a different subnet) 918 * Do a path lookup to build CM Path and set CM pkt lt 919 * 920 */ 921 static ibt_status_t 922 ibcm_init_reply_addr(ibcm_hca_info_t *hcap, ibcm_mad_addr_t *reply_addr, 923 ibt_chan_open_args_t *chan_args, ibt_chan_open_flags_t flags, 924 ib_time_t *cm_pkt_lt, ib_lid_t prim_slid) 925 { 926 ibt_adds_vect_t *cm_adds; 927 ibt_path_info_t path; 928 boolean_t cm_grh; 929 ibt_status_t status; 930 931 IBTF_DPRINTF_L5(cmlog, "ibcm_init_reply_addr:"); 932 933 _NOTE(NOW_INVISIBLE_TO_OTHER_THREADS(*reply_addr)) 934 935 /* 936 * sending side CM lid/gid/port num are not based on any redirect 937 * params. These values are set to primary RC path lid/gid/port num. 938 * In the future, these values can be set based on framework policy 939 * decisions ensuring reachability. 940 */ 941 reply_addr->grh_hdr.ig_sender_gid = 942 IBCM_PRIM_ADDS_VECT(chan_args).av_sgid; 943 reply_addr->rcvd_addr.ia_local_lid = prim_slid; 944 reply_addr->port_num = IBCM_PRIM_CEP_PATH(chan_args).cep_hca_port_num; 945 946 if (flags & IBT_OCHAN_PORT_REDIRECTED) { 947 IBTF_DPRINTF_L4(cmlog, "ibcm_init_rely_addr: " 948 "IBT_OCHAN_PORT_REDIRECTED specified"); 949 950 status = ibt_index2pkey_byguid(hcap->hca_guid, 951 chan_args->oc_cm_cep_path->cep_hca_port_num, 952 chan_args->oc_cm_cep_path->cep_pkey_ix, 953 &reply_addr->rcvd_addr.ia_p_key); 954 955 if (status != IBT_SUCCESS) { 956 IBTF_DPRINTF_L2(cmlog, "ibcm_init_rely_addr: Invalid " 957 "CM PKeyIx %x port_num %x", 958 chan_args->oc_cm_cep_path->cep_pkey_ix, 959 chan_args->oc_cm_cep_path->cep_hca_port_num); 960 return (status); 961 } 962 963 cm_adds = &(chan_args->oc_cm_cep_path->cep_adds_vect); 964 IBTF_DPRINTF_L4(cmlog, "ibcm_init_rely_addr: dlid = %x", 965 cm_adds->av_dlid); 966 967 reply_addr->rcvd_addr.ia_q_key = IB_GSI_QKEY; 968 reply_addr->rcvd_addr.ia_remote_qno = 1; 969 *cm_pkt_lt = chan_args->oc_cm_pkt_lt; 970 971 } else if (flags & IBT_OCHAN_REDIRECTED) { 972 ibt_redirect_info_t *redirect_info; 973 ibt_hca_portinfo_t *port_infop; 974 uint_t psize, nports; 975 976 IBTF_DPRINTF_L4(cmlog, "ibcm_init_rely_addr: " 977 "IBT_OCHAN_REDIRECTED specified"); 978 979 redirect_info = chan_args->oc_cm_redirect_info; 980 981 if ((redirect_info->rdi_gid.gid_prefix == 0) || 982 (redirect_info->rdi_gid.gid_guid == 0)) { 983 IBTF_DPRINTF_L2(cmlog, "ibcm_init_reply_addr: " 984 "ERROR: Re-direct GID value NOT Provided."); 985 return (IBT_INVALID_PARAM); 986 } 987 988 /* As per spec definition 1.1, it's always IB_GSI_QKEY */ 989 reply_addr->rcvd_addr.ia_q_key = redirect_info->rdi_qkey; 990 reply_addr->rcvd_addr.ia_remote_qno = redirect_info->rdi_qpn; 991 reply_addr->rcvd_addr.ia_p_key = redirect_info->rdi_pkey; 992 993 /* 994 * if LID is non-zero in classportinfo then use classportinfo 995 * fields to form CM MAD destination address. 996 */ 997 if (redirect_info->rdi_dlid != 0) { 998 status = ibtl_cm_query_hca_ports_byguid(hcap->hca_guid, 999 reply_addr->port_num, &port_infop, &nports, &psize); 1000 if ((status != IBT_SUCCESS) || (nports == 0)) { 1001 IBTF_DPRINTF_L2(cmlog, "ibcm_init_reply_addr: " 1002 "Query Ports Failed: %d", status); 1003 return (status); 1004 } else if (port_infop->p_subnet_timeout > 1005 ibcm_max_ib_pkt_lt) { 1006 IBTF_DPRINTF_L2(cmlog, "ibcm_init_reply_addr: " 1007 "large subnet timeout %x port_no %x", 1008 port_infop->p_subnet_timeout, 1009 reply_addr->port_num); 1010 ibt_free_portinfo(port_infop, psize); 1011 return (IBT_PATH_PKT_LT_TOO_HIGH); 1012 } else { 1013 IBTF_DPRINTF_L3(cmlog, "ibcm_init_reply_addr: " 1014 "subnet timeout %x port_no %x", 1015 port_infop->p_subnet_timeout, 1016 reply_addr->port_num); 1017 1018 *cm_pkt_lt = 1019 ibt_ib2usec(min(ibcm_max_ib_mad_pkt_lt, 1020 port_infop->p_subnet_timeout)); 1021 1022 ibt_free_portinfo(port_infop, psize); 1023 } 1024 1025 reply_addr->rcvd_addr.ia_remote_lid = 1026 redirect_info->rdi_dlid; 1027 reply_addr->rcvd_addr.ia_service_level = 1028 redirect_info->rdi_sl; 1029 reply_addr->grh_exists = B_TRUE; 1030 reply_addr->grh_hdr.ig_recver_gid = 1031 redirect_info->rdi_gid; 1032 reply_addr->grh_hdr.ig_tclass = 1033 redirect_info->rdi_tclass; 1034 reply_addr->grh_hdr.ig_flow_label = 1035 redirect_info->rdi_flow; 1036 1037 /* Classportinfo doesn't have hoplimit field */ 1038 reply_addr->grh_hdr.ig_hop_limit = 1; 1039 return (IBT_SUCCESS); 1040 1041 } else { 1042 ibt_path_attr_t path_attr; 1043 ib_gid_t path_dgid[1]; 1044 1045 /* 1046 * If GID is specified, and LID is zero in classportinfo 1047 * do a path lookup using specified GID, Pkey, 1048 * in classportinfo 1049 */ 1050 1051 bzero(&path_attr, sizeof (path_attr)); 1052 1053 path_attr.pa_dgids = &path_dgid[0]; 1054 path_attr.pa_dgids[0] = redirect_info->rdi_gid; 1055 1056 /* 1057 * use reply_addr below, as sender_gid in reply_addr 1058 * may have been set above based on some policy decision 1059 * for originating end point for CM MADs above 1060 */ 1061 path_attr.pa_sgid = reply_addr->grh_hdr.ig_sender_gid; 1062 path_attr.pa_num_dgids = 1; 1063 path_attr.pa_pkey = redirect_info->rdi_pkey; 1064 1065 if ((status = ibt_get_paths(ibcm_ibt_handle, 1066 IBT_PATH_PKEY, &path_attr, 1, &path, NULL)) != 1067 IBT_SUCCESS) 1068 return (status); 1069 1070 /* Initialize cm_adds */ 1071 cm_adds = &path.pi_prim_cep_path.cep_adds_vect; 1072 *cm_pkt_lt = path.pi_prim_pkt_lt; 1073 } 1074 1075 } else { /* cm_pkey initialized in ibt_open_rc_channel */ 1076 reply_addr->rcvd_addr.ia_q_key = IB_GSI_QKEY; 1077 reply_addr->rcvd_addr.ia_remote_qno = 1; 1078 *cm_pkt_lt = chan_args->oc_path->pi_prim_pkt_lt; 1079 cm_adds = &(IBCM_PRIM_ADDS_VECT(chan_args)); 1080 } 1081 1082 1083 cm_grh = cm_adds->av_send_grh; 1084 reply_addr->grh_exists = cm_grh; 1085 1086 reply_addr->rcvd_addr.ia_remote_lid = 1087 cm_adds->av_dlid; 1088 reply_addr->grh_hdr.ig_recver_gid = 1089 cm_adds->av_dgid; 1090 reply_addr->grh_hdr.ig_flow_label = 1091 cm_adds->av_flow & IB_GRH_FLOW_LABEL_MASK; 1092 reply_addr->grh_hdr.ig_tclass = 1093 (cm_grh == B_TRUE) ? cm_adds->av_tclass : 0; 1094 reply_addr->grh_hdr.ig_hop_limit = 1095 (cm_grh == B_TRUE) ? cm_adds->av_hop : 1; 1096 reply_addr->rcvd_addr.ia_service_level = 1097 cm_adds->av_srvl; 1098 1099 _NOTE(NOW_VISIBLE_TO_OTHER_THREADS(*reply_addr)) 1100 1101 return (IBT_SUCCESS); 1102 } 1103 1104 1105 /* 1106 * ibt_prime_close_rc_channel() 1107 * It allocates resources required for close channel operation, so 1108 * ibt_close_rc_channel can be called from interrupt routine. 1109 * 1110 * INPUTS: 1111 * channel The address of an ibt_channel_t struct that 1112 * specifies the channel to open. 1113 * 1114 * RETURN VALUES: 1115 * IBT_SUCCESS on success(or respective failure on error) 1116 * 1117 * Clients are typically expected to call this function in established state 1118 */ 1119 ibt_status_t 1120 ibt_prime_close_rc_channel(ibt_channel_hdl_t channel) 1121 { 1122 ibcm_state_data_t *statep; 1123 ibt_status_t status = IBT_SUCCESS; 1124 1125 IBTF_DPRINTF_L3(cmlog, "ibt_prime_close_rc_channel(%p)", channel); 1126 1127 /* validate channel, first */ 1128 if (IBCM_INVALID_CHANNEL(channel)) { 1129 IBTF_DPRINTF_L2(cmlog, "ibt_prime_close_rc_channel: chan 0x%p " 1130 "invalid channel", channel); 1131 return (IBT_CHAN_HDL_INVALID); 1132 } 1133 1134 if (ibtl_cm_get_chan_type(channel) != IBT_RC_SRV) { 1135 IBTF_DPRINTF_L2(cmlog, "ibt_prime_close_rc_channel: chan 0x%p " 1136 "Invalid Channel type: Applicable only to RC Channel", 1137 channel); 1138 return (IBT_CHAN_SRV_TYPE_INVALID); 1139 } 1140 1141 /* get the statep */ 1142 IBCM_GET_CHAN_PRIVATE(channel, statep); 1143 1144 /* 1145 * This can happen, if the statep is already gone by a DREQ from 1146 * the remote side 1147 */ 1148 1149 if (statep == NULL) { 1150 IBTF_DPRINTF_L2(cmlog, "ibt_prime_close_rc_channel: chan 0x%p " 1151 "statep NULL", channel); 1152 return (IBT_SUCCESS); 1153 } 1154 1155 mutex_enter(&statep->state_mutex); 1156 IBCM_RELEASE_CHAN_PRIVATE(channel); 1157 if (statep->state != IBCM_STATE_ESTABLISHED) { 1158 mutex_exit(&statep->state_mutex); 1159 return (IBT_CHAN_STATE_INVALID); 1160 } 1161 IBCM_REF_CNT_INCR(statep); 1162 IBTF_DPRINTF_L4(cmlog, "ibt_prime_close_rc_channel: chan 0x%p statep %p" 1163 " state %x", channel, statep, statep->state); 1164 mutex_exit(&statep->state_mutex); 1165 1166 /* clients could pre-allocate dreq mad, even before connection est */ 1167 if (statep->dreq_msg == NULL) 1168 status = ibcm_alloc_out_msg(statep->stored_reply_addr.ibmf_hdl, 1169 &statep->dreq_msg, MAD_METHOD_SEND); 1170 1171 mutex_enter(&statep->state_mutex); 1172 IBCM_REF_CNT_DECR(statep); 1173 mutex_exit(&statep->state_mutex); 1174 1175 if (status != IBT_SUCCESS) { 1176 IBTF_DPRINTF_L2(cmlog, "ibt_prime_close_rc_channel: chan 0x%p " 1177 "ibcm_alloc_out_msg failed ", channel); 1178 return (status); 1179 } 1180 1181 /* If this message isn't seen then ibt_prime_close_rc_channel failed */ 1182 IBTF_DPRINTF_L5(cmlog, "ibt_prime_close_rc_channel: chan 0x%p done", 1183 channel); 1184 1185 return (IBT_SUCCESS); 1186 } 1187 1188 /* 1189 * ibt_close_rc_channel() 1190 * It closes an established channel. 1191 * 1192 * RETURN VALUES: 1193 * IBT_SUCCESS on success(or respective failure on error) 1194 */ 1195 ibt_status_t 1196 ibt_close_rc_channel(ibt_channel_hdl_t channel, ibt_execution_mode_t mode, 1197 void *priv_data, ibt_priv_data_len_t priv_data_len, uint8_t *ret_status, 1198 void *ret_priv_data, ibt_priv_data_len_t *ret_priv_data_len_p) 1199 { 1200 ibcm_state_data_t *statep; 1201 1202 IBTF_DPRINTF_L3(cmlog, "ibt_close_rc_channel(%p, %x, %p, %d, %p)", 1203 channel, mode, priv_data, priv_data_len, 1204 (ret_priv_data_len_p == NULL) ? 0 : *ret_priv_data_len_p); 1205 1206 /* validate channel, first */ 1207 if (IBCM_INVALID_CHANNEL(channel)) { 1208 IBTF_DPRINTF_L2(cmlog, "ibt_close_rc_channel: chan 0x%p " 1209 "invalid channel", channel); 1210 return (IBT_CHAN_HDL_INVALID); 1211 } 1212 1213 if (ibtl_cm_get_chan_type(channel) != IBT_RC_SRV) { 1214 IBTF_DPRINTF_L2(cmlog, "ibt_close_rc_channel: chan 0x%p " 1215 "Invalid Channel type: Applicable only to RC Channel", 1216 channel); 1217 return (IBT_CHAN_SRV_TYPE_INVALID); 1218 } 1219 1220 if (mode == IBT_BLOCKING) { 1221 /* valid only for BLOCKING MODE */ 1222 if ((ret_priv_data_len_p != NULL) && 1223 (*ret_priv_data_len_p > IBT_DREP_PRIV_DATA_SZ)) { 1224 IBTF_DPRINTF_L2(cmlog, "ibt_close_rc_channel: chan 0x%p" 1225 " private data len %d is too large", channel, 1226 *ret_priv_data_len_p); 1227 return (IBT_INVALID_PARAM); 1228 } 1229 } else if ((mode != IBT_NONBLOCKING) && (mode != IBT_NOCALLBACKS)) { 1230 IBTF_DPRINTF_L2(cmlog, "ibt_close_rc_channel: chan 0x%p " 1231 "invalid mode %x specified", channel, mode); 1232 return (IBT_INVALID_PARAM); 1233 } 1234 1235 if (ibtl_cm_is_chan_closing(channel) || 1236 ibtl_cm_is_chan_closed(channel)) { 1237 if (ret_status) 1238 *ret_status = IBT_CM_CLOSED_ALREADY; 1239 1240 /* No private data to return to the client */ 1241 if (ret_priv_data_len_p != NULL) 1242 *ret_priv_data_len_p = 0; 1243 1244 if ((mode == IBT_BLOCKING) || 1245 (mode == IBT_NOCALLBACKS)) { 1246 IBCM_GET_CHAN_PRIVATE(channel, statep); 1247 if (statep == NULL) 1248 return (IBT_SUCCESS); 1249 mutex_enter(&statep->state_mutex); 1250 IBCM_RELEASE_CHAN_PRIVATE(channel); 1251 IBCM_REF_CNT_INCR(statep); 1252 while (statep->close_done != B_TRUE) 1253 cv_wait(&statep->block_client_cv, 1254 &statep->state_mutex); 1255 IBCM_REF_CNT_DECR(statep); 1256 mutex_exit(&statep->state_mutex); 1257 } 1258 1259 IBTF_DPRINTF_L3(cmlog, "ibt_close_rc_channel: chan 0x%p " 1260 "already marked for closing", channel); 1261 1262 return (IBT_SUCCESS); 1263 } 1264 1265 /* get the statep */ 1266 IBCM_GET_CHAN_PRIVATE(channel, statep); 1267 if (statep == NULL) { 1268 IBTF_DPRINTF_L2(cmlog, "ibt_close_rc_channel: chan 0x%p " 1269 "statep NULL", channel); 1270 return (IBT_CHAN_STATE_INVALID); 1271 } 1272 1273 mutex_enter(&statep->state_mutex); 1274 1275 if (statep->dreq_msg == NULL) { 1276 IBTF_DPRINTF_L2(cmlog, "ibt_close_rc_channel: chan 0x%p " 1277 "Fatal Error: dreq_msg is NULL", channel); 1278 IBCM_RELEASE_CHAN_PRIVATE(channel); 1279 mutex_exit(&statep->state_mutex); 1280 return (IBT_CHAN_STATE_INVALID); 1281 } 1282 1283 if ((ret_priv_data == NULL) || (ret_priv_data_len_p == NULL)) { 1284 statep->close_ret_priv_data = NULL; 1285 statep->close_ret_priv_data_len = NULL; 1286 } else { 1287 statep->close_ret_priv_data = ret_priv_data; 1288 statep->close_ret_priv_data_len = ret_priv_data_len_p; 1289 } 1290 1291 priv_data_len = min(priv_data_len, IBT_DREQ_PRIV_DATA_SZ); 1292 if ((priv_data != NULL) && (priv_data_len > 0)) { 1293 bcopy(priv_data, ((ibcm_dreq_msg_t *) 1294 IBCM_OUT_MSGP(statep->dreq_msg))->dreq_private_data, 1295 priv_data_len); 1296 } 1297 statep->close_ret_status = ret_status; 1298 1299 IBCM_RELEASE_CHAN_PRIVATE(channel); 1300 IBCM_REF_CNT_INCR(statep); 1301 1302 if (mode != IBT_NONBLOCKING) { 1303 return (ibcm_close_rc_channel(channel, statep, mode)); 1304 } 1305 1306 /* IBT_NONBLOCKING */ 1307 ibcm_close_enqueue(statep); 1308 mutex_exit(&statep->state_mutex); 1309 1310 return (IBT_SUCCESS); 1311 } 1312 1313 void 1314 ibcm_close_start(ibcm_state_data_t *statep) 1315 { 1316 mutex_enter(&statep->state_mutex); 1317 (void) ibcm_close_rc_channel(statep->channel, statep, IBT_NONBLOCKING); 1318 } 1319 1320 static 1321 ibt_status_t 1322 ibcm_close_rc_channel(ibt_channel_hdl_t channel, ibcm_state_data_t *statep, 1323 ibt_execution_mode_t mode) 1324 { 1325 ibcm_hca_info_t *hcap; 1326 1327 _NOTE(LOCK_RELEASED_AS_SIDE_EFFECT(&statep->state_mutex)); 1328 ASSERT(MUTEX_HELD(&statep->state_mutex)); 1329 1330 IBTF_DPRINTF_L3(cmlog, "ibcm_close_rc_channel: chan 0x%p statep %p", 1331 channel, statep); 1332 1333 hcap = statep->hcap; 1334 1335 /* HCA must have been in active state. If not, it's a client bug */ 1336 if (!IBCM_ACCESS_HCA_OK(hcap)) { 1337 IBTF_DPRINTF_L2(cmlog, "ibcm_close_rc_channel: chan 0x%p " 1338 "hcap 0x%p not active", channel, hcap); 1339 IBCM_REF_CNT_DECR(statep); 1340 mutex_exit(&statep->state_mutex); 1341 return (IBT_CHAN_HDL_INVALID); 1342 } 1343 1344 if (statep->state == IBCM_STATE_TRANSIENT_ESTABLISHED) { 1345 while (statep->cep_in_rts == IBCM_BLOCK) 1346 cv_wait(&statep->block_mad_cv, &statep->state_mutex); 1347 } 1348 1349 /* Do TRANSIENT_DREQ check after TRANSIENT_ESTABLISHED check */ 1350 while (statep->state == IBCM_STATE_TRANSIENT_DREQ_SENT) 1351 cv_wait(&statep->block_mad_cv, &statep->state_mutex); 1352 1353 IBTF_DPRINTF_L4(cmlog, "ibcm_close_rc_channel: chan 0x%p " 1354 "connection state is %x", channel, statep->state); 1355 1356 /* If state is in pre-established states, abort the connection est */ 1357 if (statep->state != IBCM_STATE_ESTABLISHED) { 1358 statep->cm_retries++; /* ensure connection trace is dumped */ 1359 1360 /* No DREP private data possible */ 1361 if (statep->close_ret_priv_data_len != NULL) 1362 *statep->close_ret_priv_data_len = 0; 1363 1364 /* 1365 * If waiting for a response mad, then cancel the timer, 1366 * and delete the connection 1367 */ 1368 if (statep->state == IBCM_STATE_REQ_SENT || 1369 statep->state == IBCM_STATE_REP_SENT || 1370 statep->state == IBCM_STATE_REP_WAIT || 1371 statep->state == IBCM_STATE_MRA_REP_RCVD) { 1372 timeout_id_t timer_val = statep->timerid; 1373 ibcm_conn_state_t old_state; 1374 1375 IBTF_DPRINTF_L4(cmlog, "ibcm_close_rc_channel: " 1376 "chan 0x%p connection aborted in state %x", channel, 1377 statep->state); 1378 1379 old_state = statep->state; 1380 statep->state = IBCM_STATE_DELETE; 1381 1382 if (mode == IBT_NONBLOCKING) { 1383 if (taskq_dispatch(ibcm_taskq, 1384 ibcm_process_abort_via_taskq, statep, 1385 TQ_NOSLEEP) == 0) { 1386 1387 IBCM_REF_CNT_DECR(statep); 1388 statep->state = old_state; 1389 mutex_exit(&statep->state_mutex); 1390 return (IBT_INSUFF_KERNEL_RESOURCE); 1391 } /* if taskq_dispatch succeeds */ 1392 /* Cancel the timer */ 1393 statep->timerid = 0; 1394 mutex_exit(&statep->state_mutex); 1395 } else { 1396 /* Cancel the timer */ 1397 statep->timerid = 0; 1398 mutex_exit(&statep->state_mutex); 1399 (void) taskq_dispatch(ibcm_taskq, 1400 ibcm_process_abort_via_taskq, statep, 1401 TQ_SLEEP); 1402 } 1403 1404 /* cancel the currently running timer */ 1405 if (timer_val != 0) 1406 (void) untimeout(timer_val); 1407 1408 /* wait until cm handler returns for BLOCKING cases */ 1409 mutex_enter(&statep->state_mutex); 1410 if ((mode == IBT_BLOCKING) || 1411 (mode == IBT_NOCALLBACKS)) { 1412 while (statep->close_done != B_TRUE) 1413 cv_wait(&statep->block_client_cv, 1414 &statep->state_mutex); 1415 } 1416 1417 if (statep->close_ret_status) 1418 *statep->close_ret_status = IBT_CM_CLOSED_ABORT; 1419 mutex_exit(&statep->state_mutex); 1420 1421 /* 1422 * It would ideal to post a REJ MAD, but that would 1423 * be non-conformance to spec. Hence, delete the state 1424 * data. Assuming that happens quickly, any retransmits 1425 * from the remote are replied by CM with reject 1426 * reason " no valid com id". That would stop remote 1427 * sending any more MADs. 1428 */ 1429 ibcm_delete_state_data(statep); 1430 return (IBT_SUCCESS); 1431 1432 /* if CM busy in cm handler, wait until cm handler returns */ 1433 } else if (statep->state == IBCM_STATE_REQ_RCVD || 1434 statep->state == IBCM_STATE_REP_RCVD || 1435 statep->state == IBCM_STATE_MRA_SENT || 1436 statep->state == IBCM_STATE_MRA_REP_SENT) { 1437 1438 /* take control of statep */ 1439 statep->abort_flag |= IBCM_ABORT_CLIENT; 1440 1441 IBTF_DPRINTF_L4(cmlog, "ibcm_close_rc_channel: " 1442 "chan 0x%p connection aborted in state = %x", 1443 channel, statep->state); 1444 1445 /* 1446 * wait until state machine modifies qp state to error, 1447 * including disassociating statep and QP 1448 */ 1449 if ((mode == IBT_BLOCKING) || (mode == IBT_NOCALLBACKS)) 1450 while (statep->close_done != B_TRUE) 1451 cv_wait(&statep->block_client_cv, 1452 &statep->state_mutex); 1453 1454 /* a sanity setting */ 1455 if (mode == IBT_NOCALLBACKS) 1456 statep->cm_handler = NULL; 1457 IBCM_REF_CNT_DECR(statep); 1458 1459 /* 1460 * In rare situations, connection attempt could be 1461 * terminated for some other reason, before abort is 1462 * processed, but CM still returns ret_status as abort 1463 */ 1464 if (statep->close_ret_status) 1465 *statep->close_ret_status = IBT_CM_CLOSED_ABORT; 1466 mutex_exit(&statep->state_mutex); 1467 1468 /* 1469 * REJ MAD is posted by the CM state machine for this 1470 * case, hence state structure is deleted in the 1471 * state machine processing. 1472 */ 1473 return (IBT_SUCCESS); 1474 1475 } else if ((statep->state == IBCM_STATE_TIMEWAIT) || 1476 (statep->state == IBCM_STATE_DELETE)) { 1477 1478 /* State already in timewait, so no return priv data */ 1479 IBCM_REF_CNT_DECR(statep); 1480 1481 /* The teardown has already been done */ 1482 if (statep->close_ret_status) 1483 *statep->close_ret_status = 1484 IBT_CM_CLOSED_ALREADY; 1485 mutex_exit(&statep->state_mutex); 1486 1487 return (IBT_SUCCESS); 1488 1489 } else if ((statep->state == IBCM_STATE_DREQ_RCVD) || 1490 (statep->state == IBCM_STATE_DREQ_SENT) || 1491 (statep->state == IBCM_STATE_DREP_RCVD) || 1492 ((statep->state == IBCM_STATE_TIMED_OUT) && 1493 (statep->timedout_state == IBCM_STATE_DREQ_SENT))) { 1494 1495 /* 1496 * Either the remote or local client has already 1497 * initiated the teardown. IBCM_STATE_DREP_RCVD is 1498 * possible, if CM initiated teardown without client's 1499 * knowledge, for stale handling, etc., 1500 */ 1501 if (mode == IBT_NOCALLBACKS) { 1502 if (statep->close_nocb_state == IBCM_UNBLOCK) { 1503 statep->close_nocb_state = IBCM_FAIL; 1504 /* enable free qp after return */ 1505 ibtl_cm_chan_is_closing( 1506 statep->channel); 1507 } else while (statep->close_nocb_state == 1508 IBCM_BLOCK) 1509 cv_wait(&statep->block_client_cv, 1510 &statep->state_mutex); 1511 statep->cm_handler = NULL; /* sanity setting */ 1512 if (statep->close_ret_status) 1513 *statep->close_ret_status = 1514 IBT_CM_CLOSED_ALREADY; 1515 } else if (mode == IBT_BLOCKING) { 1516 /* wait until state is moved to timewait */ 1517 while (statep->close_done != B_TRUE) 1518 cv_wait(&statep->block_client_cv, 1519 &statep->state_mutex); 1520 } 1521 1522 IBCM_REF_CNT_DECR(statep); 1523 mutex_exit(&statep->state_mutex); 1524 1525 /* ret_status is set in state machine code */ 1526 return (IBT_SUCCESS); 1527 1528 } else if (statep->state == IBCM_STATE_TIMED_OUT) { 1529 1530 if ((mode == IBT_BLOCKING) || 1531 (mode == IBT_NOCALLBACKS)) { 1532 1533 /* 1534 * wait until cm handler invocation and 1535 * disassociation between statep and channel 1536 * is complete 1537 */ 1538 while (statep->close_done != B_TRUE) 1539 cv_wait(&statep->block_client_cv, 1540 &statep->state_mutex); 1541 } 1542 1543 if (statep->close_ret_status) 1544 *statep->close_ret_status = IBT_CM_CLOSED_ABORT; 1545 IBCM_REF_CNT_DECR(statep); 1546 mutex_exit(&statep->state_mutex); 1547 1548 return (IBT_SUCCESS); 1549 } else { 1550 IBCM_REF_CNT_DECR(statep); 1551 mutex_exit(&statep->state_mutex); 1552 1553 return (IBT_CM_FAILURE); 1554 } 1555 } 1556 1557 ASSERT(statep->close_nocb_state != IBCM_BLOCK); 1558 1559 if (mode == IBT_NOCALLBACKS) { 1560 statep->close_nocb_state = IBCM_FAIL; 1561 statep->cm_handler = NULL; 1562 ibtl_cm_chan_is_closing(statep->channel); 1563 IBTF_DPRINTF_L4(cmlog, "ibcm_close_rc_channel: " 1564 "NOCALLBACKS on in statep = %p", statep); 1565 } 1566 1567 if (statep->state != IBCM_STATE_ESTABLISHED) { 1568 goto lost_race; 1569 } 1570 1571 /* 1572 * Cancel/wait for any pending ibt_set_alt_path, and 1573 * release state mutex 1574 */ 1575 ibcm_sync_lapr_idle(statep); 1576 1577 ibcm_close_enter(); 1578 1579 mutex_enter(&statep->state_mutex); 1580 if (statep->state != IBCM_STATE_ESTABLISHED) { 1581 ibcm_close_exit(); 1582 goto lost_race; 1583 } 1584 1585 statep->state = IBCM_STATE_TRANSIENT_DREQ_SENT; 1586 statep->timerid = 0; 1587 statep->close_done = B_FALSE; 1588 statep->close_flow = 1; 1589 mutex_exit(&statep->state_mutex); 1590 1591 ibcm_post_dreq_mad(statep); 1592 1593 mutex_enter(&statep->state_mutex); 1594 1595 lost_race: 1596 if (mode == IBT_BLOCKING) { 1597 1598 /* wait for DREP */ 1599 while (statep->close_done != B_TRUE) 1600 cv_wait(&statep->block_client_cv, 1601 &statep->state_mutex); 1602 1603 IBTF_DPRINTF_L4(cmlog, "ibcm_close_rc_channel: chan 0x%p " 1604 "done blocking", channel); 1605 } 1606 1607 IBCM_REF_CNT_DECR(statep); 1608 mutex_exit(&statep->state_mutex); 1609 1610 /* If this message isn't seen then ibt_close_rc_channel failed */ 1611 IBTF_DPRINTF_L5(cmlog, "ibcm_close_rc_channel: chan 0x%p done", 1612 channel); 1613 1614 return (IBT_SUCCESS); 1615 } 1616 1617 ibt_status_t 1618 ibt_recycle_rc(ibt_channel_hdl_t rc_chan, ibt_cep_flags_t control, 1619 uint8_t hca_port_num, ibt_recycle_handler_t func, void *arg) 1620 { 1621 ibcm_state_data_t *statep; 1622 ibcm_taskq_recycle_arg_t *ibcm_tq_recycle_arg; 1623 ibt_qp_query_attr_t qp_attr; 1624 ibt_status_t retval; 1625 1626 IBTF_DPRINTF_L3(cmlog, "ibt_recycle_rc (%p, 0x%X, %d, %p, %p)", rc_chan, 1627 control, hca_port_num, func, arg); 1628 1629 if (IBCM_INVALID_CHANNEL(rc_chan)) { 1630 IBTF_DPRINTF_L2(cmlog, "ibt_recycle_rc: invalid channel"); 1631 return (IBT_CHAN_HDL_INVALID); 1632 } 1633 1634 /* check qp state */ 1635 retval = ibt_query_qp(rc_chan, &qp_attr); 1636 1637 if (retval != IBT_SUCCESS) 1638 return (retval); 1639 1640 if (qp_attr.qp_info.qp_trans != IBT_RC_SRV) 1641 return (IBT_CHAN_SRV_TYPE_INVALID); 1642 1643 if (qp_attr.qp_info.qp_state != IBT_STATE_ERROR) 1644 return (IBT_CHAN_STATE_INVALID); 1645 1646 _NOTE(NOW_INVISIBLE_TO_OTHER_THREADS(*ibcm_tq_recycle_arg)) 1647 1648 ibcm_tq_recycle_arg = kmem_alloc(sizeof (ibcm_taskq_recycle_arg_t), 1649 KM_SLEEP); 1650 1651 ibcm_tq_recycle_arg->rc_chan = rc_chan; 1652 ibcm_tq_recycle_arg->control = control; 1653 ibcm_tq_recycle_arg->hca_port_num = hca_port_num; 1654 ibcm_tq_recycle_arg->func = func; 1655 ibcm_tq_recycle_arg->arg = arg; 1656 1657 _NOTE(NOW_VISIBLE_TO_OTHER_THREADS(*ibcm_tq_recycle_arg)) 1658 1659 IBCM_GET_CHAN_PRIVATE(rc_chan, statep); 1660 1661 /* 1662 * If non-blocking ie., func specified and channel has not yet completed 1663 * the timewait, then schedule the work for later 1664 */ 1665 if ((func != NULL) && (statep != NULL)) { 1666 IBCM_RELEASE_CHAN_PRIVATE(rc_chan); 1667 _NOTE(NOW_INVISIBLE_TO_OTHER_THREADS(statep->recycle_arg)) 1668 statep->recycle_arg = ibcm_tq_recycle_arg; 1669 _NOTE(NOW_VISIBLE_TO_OTHER_THREADS(statep->recycle_arg)) 1670 return (IBT_SUCCESS); 1671 } 1672 1673 /* 1674 * if blocking ie., func specified, and channel has not yet completed 1675 * the timewait, then block until the channel completes the timewait 1676 */ 1677 if (statep != NULL) 1678 IBCM_RELEASE_CHAN_PRIVATE(rc_chan); 1679 IBCM_WAIT_CHAN_PRIVATE(rc_chan); 1680 1681 if (func) { /* NON BLOCKING case. Taskq for QP state change */ 1682 (void) taskq_dispatch(ibcm_taskq, ibcm_process_rc_recycle, 1683 ibcm_tq_recycle_arg, TQ_SLEEP); 1684 return (IBT_SUCCESS); 1685 } else /* BLOCKING case */ 1686 return (ibcm_process_rc_recycle_ret(ibcm_tq_recycle_arg)); 1687 } 1688 1689 void 1690 ibcm_process_rc_recycle(void *recycle_arg) 1691 { 1692 (void) ibcm_process_rc_recycle_ret(recycle_arg); 1693 } 1694 1695 static ibt_status_t 1696 ibcm_process_rc_recycle_ret(void *recycle_arg) 1697 { 1698 ibt_qp_info_t qp_info; 1699 ibt_status_t ibt_status = IBT_SUCCESS; 1700 ibt_cep_modify_flags_t cep_flags; 1701 ibt_qp_query_attr_t qp_attr; 1702 ibcm_taskq_recycle_arg_t *ibcm_tq_recycle_arg = 1703 (ibcm_taskq_recycle_arg_t *)recycle_arg; 1704 1705 /* QP must have been in error state */ 1706 ibt_status = ibt_query_qp(ibcm_tq_recycle_arg->rc_chan, &qp_attr); 1707 if (ibt_status != IBT_SUCCESS) 1708 IBTF_DPRINTF_L2(cmlog, "ibcm_process_rc_recycle_ret: " 1709 "chanp %p ibt_query_qp() = %d", 1710 ibcm_tq_recycle_arg->rc_chan, ibt_status); 1711 else { 1712 /* perform the QP state change from ERROR to RESET */ 1713 bzero(&qp_info, sizeof (qp_info)); 1714 1715 qp_info.qp_trans = IBT_RC_SRV; 1716 qp_info.qp_state = IBT_STATE_RESET; 1717 1718 /* Call modify_qp to move to RESET state */ 1719 ibt_status = ibt_modify_qp(ibcm_tq_recycle_arg->rc_chan, 1720 IBT_CEP_SET_STATE, &qp_info, NULL); 1721 1722 if (ibt_status != IBT_SUCCESS) 1723 IBTF_DPRINTF_L2(cmlog, "ibcm_process_rc_recycle_ret: " 1724 "chanp %p ibt_modify_qp() = %d for ERROR to RESET", 1725 ibcm_tq_recycle_arg->rc_chan, ibt_status); 1726 } 1727 1728 if (ibt_status == IBT_SUCCESS) { 1729 1730 qp_info.qp_state = IBT_STATE_INIT; 1731 1732 /* set flags for all mandatory args from RESET to INIT */ 1733 cep_flags = IBT_CEP_SET_STATE | IBT_CEP_SET_PORT; 1734 cep_flags |= IBT_CEP_SET_RDMA_R | IBT_CEP_SET_RDMA_W; 1735 cep_flags |= IBT_CEP_SET_ATOMIC; 1736 1737 qp_info.qp_transport.rc.rc_path.cep_hca_port_num = 1738 ibcm_tq_recycle_arg->hca_port_num; 1739 qp_info.qp_flags |= 1740 ibcm_tq_recycle_arg->control & IBT_CEP_RDMA_RD; 1741 qp_info.qp_flags |= 1742 ibcm_tq_recycle_arg->control & IBT_CEP_RDMA_WR; 1743 qp_info.qp_flags |= 1744 ibcm_tq_recycle_arg->control & IBT_CEP_ATOMIC; 1745 1746 /* Always use the existing pkey */ 1747 qp_info.qp_transport.rc.rc_path.cep_pkey_ix = 1748 qp_attr. qp_info.qp_transport.rc.rc_path.cep_pkey_ix; 1749 1750 /* Call modify_qp to move to INIT state */ 1751 ibt_status = ibt_modify_qp(ibcm_tq_recycle_arg->rc_chan, 1752 cep_flags, &qp_info, NULL); 1753 1754 if (ibt_status != IBT_SUCCESS) 1755 IBTF_DPRINTF_L2(cmlog, "ibcm_process_rc_recycle_ret: " 1756 "chanp %p ibt_modify_qp() = %d for RESET to INIT", 1757 ibcm_tq_recycle_arg->rc_chan, ibt_status); 1758 } 1759 1760 /* Change the QP CM state to indicate QP being re-used */ 1761 if (ibt_status == IBT_SUCCESS) 1762 ibtl_cm_chan_is_reused(ibcm_tq_recycle_arg->rc_chan); 1763 1764 /* Call func, if defined */ 1765 if (ibcm_tq_recycle_arg->func) 1766 (*(ibcm_tq_recycle_arg->func))(ibt_status, 1767 ibcm_tq_recycle_arg->arg); 1768 1769 kmem_free(ibcm_tq_recycle_arg, sizeof (ibcm_taskq_recycle_arg_t)); 1770 1771 return (ibt_status); 1772 } 1773 1774 static void 1775 ibcm_process_abort_via_taskq(void *args) 1776 { 1777 ibcm_state_data_t *statep = (ibcm_state_data_t *)args; 1778 1779 ibcm_process_abort(statep); 1780 mutex_enter(&statep->state_mutex); 1781 IBCM_REF_CNT_DECR(statep); 1782 mutex_exit(&statep->state_mutex); 1783 } 1784 1785 /* 1786 * Local UD CM Handler's private data, used during ibt_request_ud_dest() in 1787 * Non-Blocking mode operations. 1788 */ 1789 typedef struct ibcm_local_handler_s { 1790 ibt_cm_ud_handler_t actual_cm_handler; 1791 void *actual_cm_private; 1792 ibt_ud_dest_t *dest_hdl; 1793 } ibcm_local_handler_t; 1794 1795 _NOTE(READ_ONLY_DATA(ibcm_local_handler_s)) 1796 1797 /* 1798 * Local UD CM Handler, used when ibt_alloc_ud_dest() is issued in 1799 * NON-Blocking mode. 1800 * 1801 * Out here, we update the UD Destination handle with 1802 * the obtained DQPN and QKey (from SIDR REP) and invokes actual client 1803 * handler that was specified by the client. 1804 */ 1805 static ibt_cm_status_t 1806 ibcm_local_cm_handler(void *priv, ibt_cm_ud_event_t *event, 1807 ibt_cm_ud_return_args_t *ret_args, void *priv_data, ibt_priv_data_len_t len) 1808 { 1809 ibcm_local_handler_t *handler_priv = (ibcm_local_handler_t *)priv; 1810 1811 IBTF_DPRINTF_L4(cmlog, "ibcm_local_cm_handler: event %d", 1812 event->cm_type); 1813 1814 ASSERT(handler_priv != NULL); 1815 1816 switch (event->cm_type) { 1817 case IBT_CM_UD_EVENT_SIDR_REP: 1818 /* Update QPN & QKey from event into destination handle. */ 1819 if (handler_priv->dest_hdl != NULL) { 1820 handler_priv->dest_hdl->ud_dst_qpn = 1821 event->cm_event.sidr_rep.srep_remote_qpn; 1822 handler_priv->dest_hdl->ud_qkey = 1823 event->cm_event.sidr_rep.srep_remote_qkey; 1824 } 1825 1826 /* Invoke the client handler - inform only, so ignore retval */ 1827 (void) handler_priv->actual_cm_handler( 1828 handler_priv->actual_cm_private, event, ret_args, priv_data, 1829 len); 1830 1831 /* Free memory allocated for local handler's private data. */ 1832 if (handler_priv != NULL) 1833 kmem_free(handler_priv, sizeof (*handler_priv)); 1834 1835 break; 1836 default: 1837 IBTF_DPRINTF_L2(cmlog, "ibcm_local_cm_handler: ERROR"); 1838 break; 1839 } 1840 1841 return (IBT_CM_ACCEPT); 1842 } 1843 1844 1845 /* Validate the input UD destination attributes. */ 1846 static ibt_status_t 1847 ibcm_validate_dqpn_data(ibt_ud_dest_attr_t *attr, ibt_execution_mode_t mode, 1848 ibt_ud_returns_t *ret_args) 1849 { 1850 /* cm handler must always be specified */ 1851 if (mode == IBT_NONBLOCKING && attr->ud_cm_handler == NULL) { 1852 IBTF_DPRINTF_L2(cmlog, "ibcm_validate_dqpn_data: " 1853 "CM handler is not specified "); 1854 return (IBT_INVALID_PARAM); 1855 } 1856 1857 if (mode == IBT_NONBLOCKING) { 1858 if (ret_args != NULL) { 1859 IBTF_DPRINTF_L2(cmlog, "ibcm_validate_dqpn_data: " 1860 "ret_args should be NULL when called in " 1861 "non-blocking mode"); 1862 return (IBT_INVALID_PARAM); 1863 } 1864 } else if (mode == IBT_BLOCKING) { 1865 if (ret_args == NULL) { 1866 IBTF_DPRINTF_L2(cmlog, "ibcm_validate_dqpn_data: " 1867 "ret_args should be Non-NULL when called in " 1868 "blocking mode"); 1869 return (IBT_INVALID_PARAM); 1870 } 1871 } else { 1872 IBTF_DPRINTF_L2(cmlog, "ibcm_validate_dqpn_data: " 1873 "invalid mode %x specified ", mode); 1874 return (IBT_INVALID_PARAM); 1875 } 1876 1877 if (attr->ud_sid == 0) { 1878 IBTF_DPRINTF_L2(cmlog, "ibcm_validate_dqpn_data: " 1879 "ServiceID must be specified. "); 1880 return (IBT_INVALID_PARAM); 1881 } 1882 1883 if (attr->ud_addr == NULL) { 1884 IBTF_DPRINTF_L2(cmlog, "ibcm_validate_dqpn_data: " 1885 "Address Info NULL"); 1886 return (IBT_INVALID_PARAM); 1887 } 1888 1889 /* Validate SGID */ 1890 if ((attr->ud_addr->av_sgid.gid_prefix == 0) || 1891 (attr->ud_addr->av_sgid.gid_guid == 0)) { 1892 IBTF_DPRINTF_L2(cmlog, "ibcm_validate_dqpn_data: Invalid SGID"); 1893 return (IBT_INVALID_PARAM); 1894 } 1895 IBTF_DPRINTF_L3(cmlog, "ibcm_validate_dqpn_data: SGID<%llX:%llX>", 1896 attr->ud_addr->av_sgid.gid_prefix, 1897 attr->ud_addr->av_sgid.gid_guid); 1898 1899 /* Validate DGID */ 1900 if ((attr->ud_addr->av_dgid.gid_prefix == 0) || 1901 (attr->ud_addr->av_dgid.gid_guid == 0)) { 1902 IBTF_DPRINTF_L2(cmlog, "ibcm_validate_dqpn_data: Invalid DGID"); 1903 return (IBT_INVALID_PARAM); 1904 } 1905 IBTF_DPRINTF_L3(cmlog, "ibcm_validate_dqpn_data: DGID<%llX:%llX>", 1906 attr->ud_addr->av_dgid.gid_prefix, 1907 attr->ud_addr->av_dgid.gid_guid); 1908 1909 return (IBT_SUCCESS); 1910 } 1911 1912 1913 /* Perform SIDR to retrieve DQPN and QKey. */ 1914 static ibt_status_t 1915 ibcm_ud_get_dqpn(ibt_ud_dest_attr_t *attr, ibt_execution_mode_t mode, 1916 ibt_ud_returns_t *ret_args) 1917 { 1918 ibt_status_t retval; 1919 ib_pkey_t ud_pkey; 1920 ibmf_handle_t ibmf_hdl; 1921 ibmf_msg_t *ibmf_msg; 1922 ibcm_hca_info_t *hcap; 1923 ibcm_sidr_req_msg_t *sidr_req_msgp; 1924 ibcm_ud_state_data_t *ud_statep; 1925 ibtl_cm_hca_port_t port; 1926 ibcm_sidr_srch_t sidr_entry; 1927 ibcm_qp_list_t *cm_qp_entry; 1928 1929 /* Retrieve HCA GUID value from the available SGID info. */ 1930 retval = ibtl_cm_get_hca_port(attr->ud_addr->av_sgid, 0, &port); 1931 if ((retval != IBT_SUCCESS) || (port.hp_port == 0)) { 1932 IBTF_DPRINTF_L2(cmlog, "ibcm_ud_get_dqpn: " 1933 "ibtl_cm_get_hca_port failed: %d", retval); 1934 return (retval); 1935 } 1936 1937 IBTF_DPRINTF_L4(cmlog, "ibcm_ud_get_dqpn: " 1938 "HCA GUID:%llX, port_num:%d", port.hp_hca_guid, port.hp_port); 1939 1940 /* Lookup the HCA info for this GUID */ 1941 if ((hcap = ibcm_find_hca_entry(port.hp_hca_guid)) == NULL) { 1942 IBTF_DPRINTF_L2(cmlog, "ibcm_ud_get_dqpn: hcap is NULL"); 1943 return (IBT_HCA_INVALID); 1944 } 1945 1946 /* Return failure if the HCA device or Port is not operational */ 1947 1948 if ((retval = ibt_get_port_state_byguid(port.hp_hca_guid, port.hp_port, 1949 NULL, NULL)) != IBT_SUCCESS) { 1950 /* Device Port is not in good state, don't use it. */ 1951 IBTF_DPRINTF_L2(cmlog, "ibcm_ud_get_dqpn: Invalid " 1952 "port specified or port not active"); 1953 ibcm_dec_hca_acc_cnt(hcap); 1954 return (retval); 1955 } 1956 1957 retval = ibt_index2pkey_byguid(port.hp_hca_guid, port.hp_port, 1958 attr->ud_pkey_ix, &ud_pkey); 1959 if (retval != IBT_SUCCESS) { 1960 IBTF_DPRINTF_L2(cmlog, "ibcm_ud_get_dqpn: " 1961 "Failed to convert index2pkey: %d", retval); 1962 ibcm_dec_hca_acc_cnt(hcap); 1963 return (retval); 1964 } 1965 1966 _NOTE(NOW_INVISIBLE_TO_OTHER_THREADS(sidr_entry)) 1967 1968 /* Allocate a new request id */ 1969 if (ibcm_alloc_reqid(hcap, &sidr_entry.srch_req_id) == IBCM_FAILURE) { 1970 IBTF_DPRINTF_L2(cmlog, "ibcm_ud_get_dqpn: " 1971 "no req id available"); 1972 ibcm_dec_hca_acc_cnt(hcap); 1973 return (IBT_INSUFF_KERNEL_RESOURCE); 1974 } 1975 1976 if ((hcap->hca_port_info[port.hp_port - 1].port_ibmf_hdl == NULL) && 1977 ((retval = ibcm_hca_reinit_port(hcap, port.hp_port - 1)) 1978 != IBT_SUCCESS)) { 1979 IBTF_DPRINTF_L2(cmlog, "ibcm_ud_get_dqpn: " 1980 "ibmf reg or callback setup failed during re-initialize"); 1981 return (retval); 1982 } 1983 1984 ibmf_hdl = hcap->hca_port_info[port.hp_port - 1].port_ibmf_hdl; 1985 1986 /* find the ibmf QP to post the SIDR REQ */ 1987 if ((cm_qp_entry = ibcm_find_qp(hcap, port.hp_port, ud_pkey)) == 1988 NULL) { 1989 IBTF_DPRINTF_L2(cmlog, "ibcm_ud_get_dqpn: IBMF QP allocation" 1990 " failed"); 1991 ibcm_dec_hca_acc_cnt(hcap); 1992 return (IBT_INSUFF_RESOURCE); 1993 } 1994 1995 if ((retval = ibcm_alloc_out_msg(ibmf_hdl, &ibmf_msg, MAD_METHOD_SEND)) 1996 != IBT_SUCCESS) { 1997 IBTF_DPRINTF_L2(cmlog, "ibcm_ud_get_dqpn: IBMF MSG allocation" 1998 " failed"); 1999 ibcm_release_qp(cm_qp_entry); 2000 ibcm_dec_hca_acc_cnt(hcap); 2001 return (retval); 2002 } 2003 2004 sidr_entry.srch_lid = port.hp_base_lid; 2005 sidr_entry.srch_gid = attr->ud_addr->av_sgid; 2006 sidr_entry.srch_grh_exists = attr->ud_addr->av_send_grh; 2007 sidr_entry.srch_mode = IBCM_ACTIVE_MODE; 2008 2009 _NOTE(NOW_VISIBLE_TO_OTHER_THREADS(sidr_entry)) 2010 2011 /* do various allocations needed here */ 2012 rw_enter(&hcap->hca_sidr_list_lock, RW_WRITER); 2013 2014 (void) ibcm_find_sidr_entry(&sidr_entry, hcap, &ud_statep, 2015 IBCM_FLAG_ADD); 2016 rw_exit(&hcap->hca_sidr_list_lock); 2017 2018 /* Increment hca's resource count */ 2019 ibcm_inc_hca_res_cnt(hcap); 2020 2021 /* After a resource created on hca, no need to hold the acc cnt */ 2022 ibcm_dec_hca_acc_cnt(hcap); 2023 2024 _NOTE(NOW_INVISIBLE_TO_OTHER_THREADS(*ud_statep)) 2025 2026 /* Initialize some ud_statep fields */ 2027 ud_statep->ud_stored_msg = ibmf_msg; 2028 ud_statep->ud_svc_id = attr->ud_sid; 2029 ud_statep->ud_pkt_life_time = 2030 ibt_ib2usec(attr->ud_pkt_lt); 2031 ud_statep->ud_stored_reply_addr.cm_qp_entry = cm_qp_entry; 2032 2033 /* set remaining retry cnt */ 2034 ud_statep->ud_remaining_retry_cnt = ud_statep->ud_max_cm_retries; 2035 2036 /* 2037 * Get UD handler and corresponding args which is pass it back 2038 * as first argument for the handler. 2039 */ 2040 ud_statep->ud_state_cm_private = attr->ud_cm_private; 2041 2042 if (mode == IBT_BLOCKING) 2043 ud_statep->ud_return_data = ret_args; 2044 else 2045 ud_statep->ud_cm_handler = attr->ud_cm_handler; 2046 2047 /* Initialize the fields of ud_statep->ud_stored_reply_addr */ 2048 ud_statep->ud_stored_reply_addr.grh_exists = attr->ud_addr->av_send_grh; 2049 ud_statep->ud_stored_reply_addr.ibmf_hdl = ibmf_hdl; 2050 ud_statep->ud_stored_reply_addr.grh_hdr.ig_hop_limit = 2051 attr->ud_addr->av_hop; 2052 ud_statep->ud_stored_reply_addr.grh_hdr.ig_sender_gid = 2053 attr->ud_addr->av_sgid; 2054 ud_statep->ud_stored_reply_addr.grh_hdr.ig_recver_gid = 2055 attr->ud_addr->av_dgid; 2056 ud_statep->ud_stored_reply_addr.grh_hdr.ig_tclass = 2057 attr->ud_addr->av_tclass; 2058 ud_statep->ud_stored_reply_addr.grh_hdr.ig_flow_label = 2059 attr->ud_addr->av_flow & IB_GRH_FLOW_LABEL_MASK; 2060 2061 /* needs to be derived based on the base LID and path bits */ 2062 ud_statep->ud_stored_reply_addr.rcvd_addr.ia_local_lid = 2063 port.hp_base_lid; 2064 ud_statep->ud_stored_reply_addr.rcvd_addr.ia_remote_lid = 2065 attr->ud_addr->av_dlid; 2066 ud_statep->ud_stored_reply_addr.rcvd_addr.ia_p_key = ud_pkey; 2067 ud_statep->ud_stored_reply_addr.rcvd_addr.ia_q_key = IB_GSI_QKEY; 2068 ud_statep->ud_stored_reply_addr.rcvd_addr.ia_service_level = 2069 attr->ud_addr->av_srvl; 2070 2071 /* 2072 * This may be enchanced later, to use a remote qno based on past 2073 * redirect rej mad responses. This would be the place to specify 2074 * appropriate remote qno 2075 */ 2076 ud_statep->ud_stored_reply_addr.rcvd_addr.ia_remote_qno = 1; 2077 2078 _NOTE(NOW_INVISIBLE_TO_OTHER_THREADS(*sidr_req_msgp)) 2079 2080 /* Initialize the SIDR REQ message fields */ 2081 sidr_req_msgp = 2082 (ibcm_sidr_req_msg_t *)IBCM_OUT_MSGP(ud_statep->ud_stored_msg); 2083 2084 sidr_req_msgp->sidr_req_request_id = h2b32(ud_statep->ud_req_id); 2085 sidr_req_msgp->sidr_req_service_id = h2b64(attr->ud_sid); 2086 sidr_req_msgp->sidr_req_pkey = h2b16(ud_pkey); 2087 IBCM_OUT_HDRP(ud_statep->ud_stored_msg)->AttributeID = 2088 h2b16(IBCM_INCOMING_SIDR_REQ + IBCM_ATTR_BASE_ID); 2089 2090 if ((attr->ud_priv_data != NULL) && (attr->ud_priv_data_len > 0)) { 2091 bcopy(attr->ud_priv_data, sidr_req_msgp->sidr_req_private_data, 2092 min(attr->ud_priv_data_len, IBT_SIDR_REQ_PRIV_DATA_SZ)); 2093 } 2094 2095 /* Send out the SIDR REQ message */ 2096 ud_statep->ud_state = IBCM_STATE_SIDR_REQ_SENT; 2097 ud_statep->ud_timer_stored_state = IBCM_STATE_SIDR_REQ_SENT; 2098 IBCM_UD_REF_CNT_INCR(ud_statep); /* for non-blocking SIDR REQ post */ 2099 ud_statep->ud_timer_value = ibt_ib2usec(ibcm_max_sidr_rep_proctime) + 2100 (ud_statep->ud_pkt_life_time * 2); 2101 2102 IBCM_OUT_HDRP(ud_statep->ud_stored_msg)->TransactionID = 2103 h2b64(ibcm_generate_tranid(IBCM_INCOMING_SIDR_REQ, 2104 ud_statep->ud_req_id, 0)); 2105 2106 IBTF_DPRINTF_L4(cmlog, "ibcm_ud_get_dqpn: timer_value in HZ = %x", 2107 ud_statep->ud_timer_value); 2108 2109 _NOTE(NOW_VISIBLE_TO_OTHER_THREADS(*ud_statep)) 2110 _NOTE(NOW_VISIBLE_TO_OTHER_THREADS(*sidr_req_msgp)) 2111 2112 ibcm_post_ud_mad(ud_statep, ud_statep->ud_stored_msg, 2113 ibcm_post_sidr_req_complete, ud_statep); 2114 2115 mutex_enter(&ud_statep->ud_state_mutex); 2116 2117 /* Wait for SIDR_REP */ 2118 if (mode == IBT_BLOCKING) { 2119 IBTF_DPRINTF_L4(cmlog, "ibcm_ud_get_dqpn: blocking"); 2120 2121 while (ud_statep->ud_blocking_done != B_TRUE) { 2122 cv_wait(&ud_statep->ud_block_client_cv, 2123 &ud_statep->ud_state_mutex); 2124 } 2125 2126 IBTF_DPRINTF_L4(cmlog, "ibcm_ud_get_dqpn: finished blocking"); 2127 2128 if (ret_args->ud_status == IBT_CM_SREP_QPN_VALID) { 2129 IBTF_DPRINTF_L4(cmlog, "ibcm_ud_get_dqpn: DQPN = %x, " 2130 "status = %x, QKey = %x", ret_args->ud_dqpn, 2131 ret_args->ud_status, ret_args->ud_qkey); 2132 2133 } else { 2134 IBTF_DPRINTF_L4(cmlog, "ibcm_ud_get_dqpn: Status<%x>", 2135 ret_args->ud_status); 2136 retval = IBT_CM_FAILURE; 2137 } 2138 } 2139 2140 IBCM_UD_REF_CNT_DECR(ud_statep); 2141 mutex_exit(&ud_statep->ud_state_mutex); 2142 2143 IBTF_DPRINTF_L4(cmlog, "ibcm_ud_get_dqpn: done"); 2144 2145 return (retval); 2146 } 2147 2148 2149 /* 2150 * Function: 2151 * ibt_request_ud_dest 2152 * Input: 2153 * ud_dest A previously allocated UD destination handle. 2154 * mode This function can execute in blocking or non blocking 2155 * modes. 2156 * attr UD destination attributes to be modified. 2157 * Output: 2158 * ud_ret_args If the function is called in blocking mode, ud_ret_args 2159 * should be a pointer to an ibt_ud_returns_t struct. 2160 * Returns: 2161 * IBT_SUCCESS 2162 * Description: 2163 * Modify a previously allocated UD destination handle based on the 2164 * results of doing the SIDR protocol. 2165 */ 2166 ibt_status_t 2167 ibt_request_ud_dest(ibt_ud_dest_hdl_t ud_dest, ibt_execution_mode_t mode, 2168 ibt_ud_dest_attr_t *attr, ibt_ud_returns_t *ud_ret_args) 2169 { 2170 ibt_status_t retval; 2171 ibt_ud_dest_t *ud_destp; 2172 ibcm_local_handler_t *local_handler_priv = NULL; 2173 2174 IBTF_DPRINTF_L3(cmlog, "ibt_request_ud_dest(%p, %x, %p, %p)", 2175 ud_dest, mode, attr, ud_ret_args); 2176 2177 retval = ibcm_validate_dqpn_data(attr, mode, ud_ret_args); 2178 if (retval != IBT_SUCCESS) { 2179 return (retval); 2180 } 2181 2182 ud_destp = ud_dest; 2183 2184 /* Allocate an Address handle. */ 2185 retval = ibt_modify_ah(ud_destp->ud_dest_hca, ud_destp->ud_ah, 2186 attr->ud_addr); 2187 if (retval != IBT_SUCCESS) { 2188 IBTF_DPRINTF_L2(cmlog, "ibt_request_ud_dest: " 2189 "Address Handle Modification failed: %d", retval); 2190 return (retval); 2191 } 2192 2193 if (mode == IBT_NONBLOCKING) { 2194 /* 2195 * In NON-BLOCKING mode, and we need to update the destination 2196 * handle with the DQPN and QKey that are obtained from 2197 * SIDR REP, hook-up our own handler, so that we can catch 2198 * the event, and we ourselves call the actual client's 2199 * ud_cm_handler, in our handler. 2200 */ 2201 2202 /* Allocate memory for local handler's private data. */ 2203 local_handler_priv = 2204 kmem_alloc(sizeof (*local_handler_priv), KM_SLEEP); 2205 2206 _NOTE(NOW_INVISIBLE_TO_OTHER_THREADS(*local_handler_priv)) 2207 2208 local_handler_priv->actual_cm_handler = attr->ud_cm_handler; 2209 local_handler_priv->actual_cm_private = attr->ud_cm_private; 2210 local_handler_priv->dest_hdl = ud_destp; 2211 2212 _NOTE(NOW_VISIBLE_TO_OTHER_THREADS(*local_handler_priv)) 2213 2214 attr->ud_cm_handler = ibcm_local_cm_handler; 2215 attr->ud_cm_private = local_handler_priv; 2216 } 2217 2218 /* In order to get DQPN and Destination QKey, perform SIDR */ 2219 retval = ibcm_ud_get_dqpn(attr, mode, ud_ret_args); 2220 if (retval != IBT_SUCCESS) { 2221 IBTF_DPRINTF_L2(cmlog, "ibt_request_ud_dest: " 2222 "Failed to get DQPN: %d", retval); 2223 2224 /* Free memory allocated for local handler's private data. */ 2225 if (local_handler_priv != NULL) 2226 kmem_free(local_handler_priv, 2227 sizeof (*local_handler_priv)); 2228 return (retval); 2229 } 2230 2231 /* 2232 * Fill in the dqpn and dqkey as obtained from ud_ret_args, 2233 * values will be valid only on BLOCKING mode. 2234 */ 2235 if (mode == IBT_BLOCKING) { 2236 ud_destp->ud_dst_qpn = ud_ret_args->ud_dqpn; 2237 ud_destp->ud_qkey = ud_ret_args->ud_qkey; 2238 } 2239 2240 return (retval); 2241 } 2242 2243 /* 2244 * Function: 2245 * ibt_ud_get_dqpn 2246 * Input: 2247 * attr A pointer to an ibt_ud_dest_attr_t struct that are 2248 * required for SIDR REQ message. Not specified attributes 2249 * should be set to "NULL" or "0". 2250 * ud_sid, ud_addr and ud_pkt_lt must be specified. 2251 * mode This function can execute in blocking or non blocking 2252 * modes. 2253 * Output: 2254 * returns If the function is called in blocking mode, returns 2255 * should be a pointer to an ibt_ud_returns_t struct. 2256 * Return: 2257 * IBT_SUCCESS on success or respective failure on error. 2258 * Description: 2259 * Finds the destination QPN at the specified destination that the 2260 * specified service can be reached on. The IBTF CM initiates the 2261 * service ID resolution protocol (SIDR) to determine a destination QPN. 2262 * 2263 * NOTE: SIDR_REQ is initiated from active side. 2264 */ 2265 ibt_status_t 2266 ibt_ud_get_dqpn(ibt_ud_dest_attr_t *attr, ibt_execution_mode_t mode, 2267 ibt_ud_returns_t *returns) 2268 { 2269 ibt_status_t retval; 2270 2271 IBTF_DPRINTF_L3(cmlog, "ibt_ud_get_dqpn(%p, %x, %p)", 2272 attr, mode, returns); 2273 2274 retval = ibcm_validate_dqpn_data(attr, mode, returns); 2275 if (retval != IBT_SUCCESS) { 2276 return (retval); 2277 } 2278 2279 return (ibcm_ud_get_dqpn(attr, mode, returns)); 2280 } 2281 2282 2283 /* 2284 * ibt_cm_delay: 2285 * A client CM handler function can call this function 2286 * to extend its response time to a CM event. 2287 * INPUTS: 2288 * flags Indicates what CM message processing is being delayed 2289 * by the CM handler, valid values are: 2290 * IBT_CM_DELAY_REQ 2291 * IBT_CM_DELAY_REP 2292 * IBT_CM_DELAY_LAP 2293 * cm_session_id The session ID that was passed to client srv_handler 2294 * by the CM 2295 * service_time The extended service time 2296 * priv_data Vendor specific data to be sent in the CM generated 2297 * MRA message. Should be NULL if not specified. 2298 * len The number of bytes of data specified by priv_data. 2299 * 2300 * RETURN VALUES: 2301 * IBT_SUCCESS on success (or respective failure on error) 2302 */ 2303 ibt_status_t 2304 ibt_cm_delay(ibt_cmdelay_flags_t flags, void *cm_session_id, 2305 clock_t service_time, void *priv_data, ibt_priv_data_len_t len) 2306 { 2307 uint8_t msg_typ = 0; 2308 ibcm_mra_msg_t *mra_msgp; 2309 ibcm_state_data_t *statep; 2310 ibt_status_t status; 2311 2312 IBTF_DPRINTF_L3(cmlog, "ibt_cm_delay(0x%x, %p, 0x%x)", 2313 flags, cm_session_id, service_time); 2314 2315 /* 2316 * Make sure channel is associated with a statep 2317 */ 2318 statep = (ibcm_state_data_t *)cm_session_id; 2319 2320 if (statep == NULL) { 2321 IBTF_DPRINTF_L2(cmlog, "ibt_cm_delay: statep NULL"); 2322 return (IBT_INVALID_PARAM); 2323 } 2324 2325 IBTF_DPRINTF_L4(cmlog, "ibt_cm_delay: statep %p", statep); 2326 2327 /* Allocate an ibmf msg for mra, if not allocated yet */ 2328 if (statep->mra_msg == NULL) { 2329 if ((status = ibcm_alloc_out_msg( 2330 statep->stored_reply_addr.ibmf_hdl, &statep->mra_msg, 2331 MAD_METHOD_SEND)) != IBT_SUCCESS) { 2332 IBTF_DPRINTF_L2(cmlog, "ibt_cm_delay: chan 0x%p" 2333 "IBMF MSG allocation failed", statep->channel); 2334 return (status); 2335 } 2336 } 2337 2338 _NOTE(NOW_INVISIBLE_TO_OTHER_THREADS(*mra_msgp)) 2339 2340 mra_msgp = (ibcm_mra_msg_t *)IBCM_OUT_MSGP(statep->mra_msg); 2341 mra_msgp->mra_local_comm_id = h2b32(statep->local_comid); 2342 mra_msgp->mra_remote_comm_id = h2b32(statep->remote_comid); 2343 2344 /* fill in rest of MRA's fields - Message MRAed and Service Timeout */ 2345 if (flags == IBT_CM_DELAY_REQ) { 2346 msg_typ = IBT_CM_MRA_TYPE_REQ; 2347 } else if (flags == IBT_CM_DELAY_REP) { 2348 msg_typ = IBT_CM_MRA_TYPE_REP; 2349 } else if (flags == IBT_CM_DELAY_LAP) { 2350 msg_typ = IBT_CM_MRA_TYPE_LAP; 2351 } 2352 2353 mra_msgp->mra_message_type_plus = msg_typ << 6; 2354 mra_msgp->mra_service_timeout_plus = ibt_usec2ib(service_time) << 3; 2355 2356 len = min(len, IBT_MRA_PRIV_DATA_SZ); 2357 if (priv_data && (len > 0)) 2358 bcopy(priv_data, mra_msgp->mra_private_data, len); 2359 2360 IBCM_OUT_HDRP(statep->mra_msg)->AttributeID = 2361 h2b16(IBCM_INCOMING_MRA + IBCM_ATTR_BASE_ID); 2362 2363 _NOTE(NOW_VISIBLE_TO_OTHER_THREADS(*mra_msgp)) 2364 2365 mutex_enter(&statep->state_mutex); 2366 2367 if ((statep->mode == IBCM_ACTIVE_MODE) && 2368 (statep->state == IBCM_STATE_REP_RCVD)) { 2369 statep->state = IBCM_STATE_MRA_REP_SENT; 2370 } else if (statep->mode == IBCM_PASSIVE_MODE) { 2371 if (statep->state == IBCM_STATE_REQ_RCVD) { 2372 statep->state = IBCM_STATE_MRA_SENT; 2373 } else if (statep->ap_state == IBCM_AP_STATE_LAP_RCVD) { 2374 statep->ap_state = IBCM_AP_STATE_MRA_LAP_RCVD; 2375 } else { 2376 IBTF_DPRINTF_L2(cmlog, "ibt_cm_delay: invalid state " 2377 "/ap_state/mode %x, %x, %x", statep->state, 2378 statep->ap_state, statep->mode); 2379 mutex_exit(&statep->state_mutex); 2380 return (IBT_CHAN_STATE_INVALID); 2381 } 2382 } else { 2383 IBTF_DPRINTF_L2(cmlog, "ibt_cm_delay: invalid state " 2384 "/ap_state/mode %x, %x, %x", statep->state, 2385 statep->ap_state, statep->mode); 2386 mutex_exit(&statep->state_mutex); 2387 2388 return (IBT_CHAN_STATE_INVALID); 2389 } 2390 /* service time is usecs, stale_clock is nsecs */ 2391 statep->stale_clock = gethrtime() + 2392 (hrtime_t)ibt_ib2usec(ibt_usec2ib(service_time)) * (1000 * 2393 statep->max_cm_retries); 2394 2395 statep->send_mad_flags |= IBCM_MRA_POST_BUSY; 2396 IBCM_REF_CNT_INCR(statep); /* for ibcm_post_mra_complete */ 2397 mutex_exit(&statep->state_mutex); 2398 2399 IBCM_OUT_HDRP(statep->mra_msg)->TransactionID = 2400 IBCM_OUT_HDRP(statep->stored_msg)->TransactionID; 2401 2402 /* post the MRA mad in blocking mode, as no timers involved */ 2403 ibcm_post_rc_mad(statep, statep->mra_msg, ibcm_post_mra_complete, 2404 statep); 2405 ibcm_insert_trace(statep, IBCM_TRACE_OUTGOING_MRA); 2406 /* If this message isn't seen then ibt_cm_delay failed */ 2407 IBTF_DPRINTF_L3(cmlog, "ibt_cm_delay: done !!"); 2408 2409 return (IBT_SUCCESS); 2410 } 2411 2412 2413 /* 2414 * ibt_register_service() 2415 * Register a service with the IBCM 2416 * 2417 * INPUTS: 2418 * ibt_hdl The IBT client handle returned to the client 2419 * on an ibt_attach() call. 2420 * 2421 * srv The address of a ibt_srv_desc_t that describes 2422 * the service, containing the following: 2423 * 2424 * sd_ud_handler The Service CM UD event Handler. 2425 * sd_handler The Service CM RC/UC/RD event Handler. 2426 * sd_flags Service flags (peer-to-peer, or not). 2427 * 2428 * sid This tells CM if the service is local (sid is 0) or 2429 * wellknown (sid is the starting service id of the range). 2430 * 2431 * num_sids The number of contiguous service-ids to reserve. 2432 * 2433 * srv_hdl The address of a service identification handle, used 2434 * to deregister a service, and to bind GIDs to. 2435 * 2436 * ret_sid The address to store the Service ID return value. 2437 * If num_sids > 1, ret_sid is the first Service ID 2438 * in the range. 2439 * 2440 * ibt_register_service() returns: 2441 * IBT_SUCCESS - added a service successfully. 2442 * IBT_INVALID_PARAM - invalid input parameter. 2443 * IBT_CM_FAILURE - failed to add the service. 2444 * IBT_CM_SERVICE_EXISTS - service already exists. 2445 * IBT_INSUFF_KERNEL_RESOURCE - ran out of local service ids (should 2446 * never happen). 2447 */ 2448 ibt_status_t 2449 ibt_register_service(ibt_clnt_hdl_t ibt_hdl, ibt_srv_desc_t *srv, 2450 ib_svc_id_t sid, int num_sids, ibt_srv_hdl_t *srv_hdl, ib_svc_id_t *ret_sid) 2451 { 2452 ibcm_svc_info_t *svcinfop; 2453 2454 IBTF_DPRINTF_L2(cmlog, "ibt_register_service(%p (%s), %p, 0x%llX, %d)", 2455 ibt_hdl, ibtl_cm_get_clnt_name(ibt_hdl), srv, (longlong_t)sid, 2456 num_sids); 2457 2458 _NOTE(NOW_INVISIBLE_TO_OTHER_THREADS(*svcinfop)) 2459 2460 *srv_hdl = NULL; 2461 2462 if (num_sids <= 0) { 2463 IBTF_DPRINTF_L2(cmlog, "ibt_register_service: " 2464 "Invalid number of service-ids specified (%d)", num_sids); 2465 return (IBT_INVALID_PARAM); 2466 } 2467 2468 if (sid == 0) { 2469 if (ret_sid == NULL) 2470 return (IBT_INVALID_PARAM); 2471 sid = ibcm_alloc_local_sids(num_sids); 2472 if (sid == 0) 2473 return (IBT_INSUFF_KERNEL_RESOURCE); 2474 2475 /* Make sure that the ServiceId specified is not of LOCAL AGN type. */ 2476 } else if ((sid & IB_SID_AGN_MASK) == IB_SID_AGN_LOCAL) { 2477 IBTF_DPRINTF_L2(cmlog, "ibt_register_service: " 2478 "Invalid non-LOCAL SID specified: 0x%llX", 2479 (longlong_t)sid); 2480 return (IBT_INVALID_PARAM); 2481 } 2482 2483 svcinfop = ibcm_create_svc_entry(sid, num_sids); 2484 2485 if (svcinfop == NULL) { 2486 IBTF_DPRINTF_L2(cmlog, "ibt_register_service: " 2487 "Service-ID 0x%llx already registered", (longlong_t)sid); 2488 return (IBT_CM_SERVICE_EXISTS); 2489 } 2490 2491 /* 2492 * 'sid' and 'num_sids' are filled in ibcm_create_svc_entry() 2493 */ 2494 svcinfop->svc_flags = srv->sd_flags; 2495 svcinfop->svc_rc_handler = srv->sd_handler; 2496 svcinfop->svc_ud_handler = srv->sd_ud_handler; 2497 2498 if (ret_sid != NULL) 2499 *ret_sid = sid; 2500 2501 *srv_hdl = svcinfop; 2502 2503 ibtl_cm_change_service_cnt(ibt_hdl, num_sids); 2504 2505 /* If this message isn't seen, then ibt_register_service failed. */ 2506 IBTF_DPRINTF_L2(cmlog, "ibt_register_service: done (%p, %llX)", 2507 svcinfop, sid); 2508 2509 _NOTE(NOW_VISIBLE_TO_OTHER_THREADS(*svcinfop)) 2510 2511 return (IBT_SUCCESS); 2512 } 2513 2514 2515 static ibt_status_t 2516 ibcm_write_service_record(ibmf_saa_handle_t saa_handle, 2517 sa_service_record_t *srv_recp, ibmf_saa_access_type_t saa_type) 2518 { 2519 int rval; 2520 int retry; 2521 2522 ibcm_sa_access_enter(); 2523 for (retry = 0; retry < ibcm_max_sa_retries; retry++) { 2524 rval = ibmf_saa_update_service_record( 2525 saa_handle, srv_recp, saa_type, 0); 2526 if (rval != IBMF_TRANS_TIMEOUT) { 2527 break; 2528 } 2529 IBTF_DPRINTF_L2(cmlog, "ibcm_write_service_record: " 2530 "ibmf_saa_update_service_record timed out" 2531 " SID = %llX, rval = %d, saa_type = %d", 2532 (longlong_t)srv_recp->ServiceID, rval, saa_type); 2533 delay(ibcm_sa_timeout_delay); 2534 } 2535 ibcm_sa_access_exit(); 2536 2537 if (rval != IBMF_SUCCESS) { 2538 IBTF_DPRINTF_L2(cmlog, "ibcm_write_service_record: " 2539 "ibmf_saa_update_service_record() : Failed - %d", rval); 2540 return (ibcm_ibmf_analyze_error(rval)); 2541 } else 2542 return (IBT_SUCCESS); 2543 } 2544 2545 2546 static void 2547 ibcm_rem_stale_srec(ibmf_saa_handle_t saa_handle, sa_service_record_t *srec) 2548 { 2549 ibt_status_t retval; 2550 uint_t num_found; 2551 size_t length; 2552 sa_service_record_t *srv_resp; 2553 void *results_p; 2554 uint_t i; 2555 uint64_t component_mask; 2556 ibmf_saa_access_args_t access_args; 2557 2558 component_mask = 2559 SA_SR_COMPMASK_PKEY | SA_SR_COMPMASK_NAME | SA_SR_COMPMASK_GID; 2560 2561 /* Call in SA Access retrieve routine to get Service Records. */ 2562 access_args.sq_attr_id = SA_SERVICERECORD_ATTRID; 2563 access_args.sq_access_type = IBMF_SAA_RETRIEVE; 2564 access_args.sq_component_mask = component_mask; 2565 access_args.sq_template = srec; 2566 access_args.sq_template_length = sizeof (sa_service_record_t); 2567 access_args.sq_callback = NULL; 2568 access_args.sq_callback_arg = NULL; 2569 2570 retval = ibcm_contact_sa_access(saa_handle, &access_args, &length, 2571 &results_p); 2572 if (retval != IBT_SUCCESS) { 2573 IBTF_DPRINTF_L2(cmlog, "ibcm_rem_stale_srec: " 2574 "SA Access Failure"); 2575 return; 2576 } 2577 2578 num_found = length / sizeof (sa_service_record_t); 2579 2580 if (num_found) 2581 IBTF_DPRINTF_L3(cmlog, "ibcm_rem_stale_srec: " 2582 "Found %d matching Service Records.", num_found); 2583 2584 /* Validate the returned number of records. */ 2585 if ((results_p != NULL) && (num_found > 0)) { 2586 2587 /* Remove all the records. */ 2588 for (i = 0; i < num_found; i++) { 2589 2590 srv_resp = (sa_service_record_t *) 2591 ((uchar_t *)results_p + 2592 i * sizeof (sa_service_record_t)); 2593 2594 /* 2595 * Found some matching records, but check out whether 2596 * this Record is really stale or just happens to match 2597 * the current session records. If yes, don't remove it. 2598 */ 2599 mutex_enter(&ibcm_svc_info_lock); 2600 if (ibcm_find_svc_entry(srv_resp->ServiceID) != NULL) { 2601 /* This record is NOT STALE. */ 2602 mutex_exit(&ibcm_svc_info_lock); 2603 IBTF_DPRINTF_L3(cmlog, "ibcm_rem_stale_srec: " 2604 "This is not Stale, it's an active record"); 2605 continue; 2606 } 2607 mutex_exit(&ibcm_svc_info_lock); 2608 2609 IBTF_DPRINTF_L2(cmlog, "ibcm_rem_stale_srec: " 2610 "Removing Stale Rec: %s, %llX", 2611 srv_resp->ServiceName, srv_resp->ServiceID); 2612 2613 IBCM_DUMP_SERVICE_REC(srv_resp); 2614 2615 /* 2616 * Remove the Service Record Entry from SA. 2617 * 2618 * Get ServiceID info from Response Buf, other 2619 * attributes are already filled-in. 2620 */ 2621 2622 _NOTE(NOW_INVISIBLE_TO_OTHER_THREADS(srec->ServiceID)) 2623 2624 srec->ServiceID = srv_resp->ServiceID; 2625 2626 _NOTE(NOW_VISIBLE_TO_OTHER_THREADS(srec->ServiceID)) 2627 2628 (void) ibcm_write_service_record(saa_handle, srec, 2629 IBMF_SAA_DELETE); 2630 } 2631 2632 /* Deallocate the memory for results_p. */ 2633 kmem_free(results_p, length); 2634 } 2635 } 2636 2637 2638 2639 /* 2640 * ibt_bind_service() 2641 * Register a service with the IBCM 2642 * 2643 * INPUTS: 2644 * srv_hdl The service id handle returned to the client 2645 * on an ibt_service_register() call. 2646 * 2647 * gid The GID to which to bind the service. 2648 * 2649 * srv_bind The address of a ibt_srv_bind_t that describes 2650 * the service record. This should be NULL if there 2651 * is to be no service record. This contains: 2652 * 2653 * sb_lease Lease period 2654 * sb_pkey Partition 2655 * sb_name pointer to ASCII string Service Name, 2656 * NULL terminated. 2657 * sb_key[] Key to secure the service record. 2658 * sb_data Service Data structure (64-byte) 2659 * 2660 * cm_private First argument of Service handler. 2661 * 2662 * sb_hdl_p The address of a service bind handle, used 2663 * to undo the service binding. 2664 * 2665 * ibt_bind_service() returns: 2666 * IBT_SUCCESS - added a service successfully. 2667 * IBT_INVALID_PARAM - invalid input parameter. 2668 * IBT_CM_FAILURE - failed to add the service. 2669 * IBT_CM_SERVICE_EXISTS - service already exists. 2670 */ 2671 ibt_status_t 2672 ibt_bind_service(ibt_srv_hdl_t srv_hdl, ib_gid_t gid, ibt_srv_bind_t *srv_bind, 2673 void *cm_private, ibt_sbind_hdl_t *sb_hdl_p) 2674 { 2675 ibt_status_t status; 2676 ibtl_cm_hca_port_t port; 2677 ibcm_svc_bind_t *sbindp, *sbp; 2678 ibcm_hca_info_t *hcap; 2679 ib_svc_id_t sid, start_sid, end_sid; 2680 ibmf_saa_handle_t saa_handle; 2681 sa_service_record_t srv_rec; 2682 uint16_t pkey_ix; 2683 2684 if (sb_hdl_p != NULL) 2685 *sb_hdl_p = NULL; /* return value for error cases */ 2686 2687 IBTF_DPRINTF_L2(cmlog, "ibt_bind_service: srv_hdl %p, gid (%llX:%llX)", 2688 srv_hdl, (longlong_t)gid.gid_prefix, (longlong_t)gid.gid_guid); 2689 2690 _NOTE(NOW_INVISIBLE_TO_OTHER_THREADS(*sbindp)) 2691 2692 /* Call ibtl_cm_get_hca_port to get the port number and the HCA GUID. */ 2693 if ((status = ibtl_cm_get_hca_port(gid, 0, &port)) != IBT_SUCCESS) { 2694 IBTF_DPRINTF_L2(cmlog, "ibt_bind_service: " 2695 "ibtl_cm_get_hca_port failed: %d", status); 2696 return (status); 2697 } 2698 IBTF_DPRINTF_L4(cmlog, "ibt_bind_service: Port:%d HCA GUID:%llX", 2699 port.hp_port, port.hp_hca_guid); 2700 2701 hcap = ibcm_find_hca_entry(port.hp_hca_guid); 2702 if (hcap == NULL) { 2703 IBTF_DPRINTF_L2(cmlog, "ibt_bind_service: NO HCA found"); 2704 return (IBT_HCA_BUSY_DETACHING); 2705 } 2706 IBTF_DPRINTF_L4(cmlog, "ibt_bind_service: hcap = %p", hcap); 2707 2708 if (srv_bind != NULL) { 2709 saa_handle = ibcm_get_saa_handle(hcap, port.hp_port); 2710 if (saa_handle == NULL) { 2711 IBTF_DPRINTF_L2(cmlog, "ibt_bind_service: " 2712 "saa_handle is NULL"); 2713 ibcm_dec_hca_acc_cnt(hcap); 2714 return (IBT_HCA_PORT_NOT_ACTIVE); 2715 } 2716 if (srv_bind->sb_pkey == 0) { 2717 IBTF_DPRINTF_L2(cmlog, "ibt_bind_service: " 2718 "P_Key must not be 0"); 2719 ibcm_dec_hca_acc_cnt(hcap); 2720 return (IBT_INVALID_PARAM); 2721 } 2722 if (strlen(srv_bind->sb_name) >= IB_SVC_NAME_LEN) { 2723 IBTF_DPRINTF_L2(cmlog, "ibt_bind_service: " 2724 "Service Name is too long"); 2725 ibcm_dec_hca_acc_cnt(hcap); 2726 return (IBT_INVALID_PARAM); 2727 } else 2728 IBTF_DPRINTF_L3(cmlog, "ibt_bind_service: " 2729 "Service Name='%s'", srv_bind->sb_name); 2730 status = ibt_pkey2index_byguid(port.hp_hca_guid, 2731 port.hp_port, srv_bind->sb_pkey, &pkey_ix); 2732 if (status != IBT_SUCCESS) { 2733 IBTF_DPRINTF_L2(cmlog, "ibt_bind_service: " 2734 "P_Key 0x%x not found in P_Key_Table", 2735 srv_bind->sb_pkey); 2736 ibcm_dec_hca_acc_cnt(hcap); 2737 return (status); 2738 } 2739 } 2740 2741 /* assume success - allocate before locking */ 2742 sbindp = kmem_zalloc(sizeof (*sbindp), KM_SLEEP); 2743 sbindp->sbind_cm_private = cm_private; 2744 sbindp->sbind_gid = gid; 2745 sbindp->sbind_hcaguid = port.hp_hca_guid; 2746 sbindp->sbind_port = port.hp_port; 2747 2748 mutex_enter(&ibcm_svc_info_lock); 2749 2750 sbp = srv_hdl->svc_bind_list; 2751 while (sbp != NULL) { 2752 if (sbp->sbind_gid.gid_guid == gid.gid_guid && 2753 sbp->sbind_gid.gid_prefix == gid.gid_prefix) { 2754 if (srv_bind == NULL || 2755 srv_bind->sb_pkey == sbp->sbind_pkey) { 2756 IBTF_DPRINTF_L2(cmlog, "ibt_bind_service: " 2757 "failed: GID %llX:%llX and PKEY %x is " 2758 "already bound", gid.gid_prefix, 2759 gid.gid_guid, sbp->sbind_pkey); 2760 mutex_exit(&ibcm_svc_info_lock); 2761 ibcm_dec_hca_acc_cnt(hcap); 2762 kmem_free(sbindp, sizeof (*sbindp)); 2763 return (IBT_CM_SERVICE_EXISTS); 2764 } 2765 } 2766 sbp = sbp->sbind_link; 2767 } 2768 /* no entry found */ 2769 2770 sbindp->sbind_link = srv_hdl->svc_bind_list; 2771 srv_hdl->svc_bind_list = sbindp; 2772 2773 mutex_exit(&ibcm_svc_info_lock); 2774 2775 if (srv_bind != NULL) { 2776 bzero(&srv_rec, sizeof (srv_rec)); 2777 2778 srv_rec.ServiceLease = 2779 sbindp->sbind_lease = srv_bind->sb_lease; 2780 srv_rec.ServiceP_Key = 2781 sbindp->sbind_pkey = srv_bind->sb_pkey; 2782 srv_rec.ServiceKey_hi = 2783 sbindp->sbind_key[0] = srv_bind->sb_key[0]; 2784 srv_rec.ServiceKey_lo = 2785 sbindp->sbind_key[1] = srv_bind->sb_key[1]; 2786 (void) strcpy(sbindp->sbind_name, srv_bind->sb_name); 2787 (void) strcpy((char *)srv_rec.ServiceName, srv_bind->sb_name); 2788 srv_rec.ServiceGID = gid; 2789 2790 /* 2791 * Find out whether we have any stale Local Service records 2792 * matching the current attributes. If yes, we shall try to 2793 * remove them from SA using the current request's ServiceKey. 2794 * 2795 * We will perform this operation only for Local Services, as 2796 * it is handled by SA automatically for WellKnown Services. 2797 * 2798 * Ofcourse, clients can specify NOT to do this clean-up by 2799 * setting IBT_SBIND_NO_CLEANUP flag (srv_bind->sb_flag). 2800 */ 2801 if ((srv_hdl->svc_id & IB_SID_AGN_LOCAL) && 2802 (!(srv_bind->sb_flag & IBT_SBIND_NO_CLEANUP))) { 2803 ibcm_rem_stale_srec(saa_handle, &srv_rec); 2804 } 2805 2806 /* Handle endianess for service data. */ 2807 ibcm_swizzle_from_srv(&srv_bind->sb_data, sbindp->sbind_data); 2808 2809 bcopy(sbindp->sbind_data, srv_rec.ServiceData, IB_SVC_DATA_LEN); 2810 2811 /* insert srv record into the SA */ 2812 start_sid = srv_hdl->svc_id; 2813 end_sid = start_sid + srv_hdl->svc_num_sids - 1; 2814 for (sid = start_sid; sid <= end_sid; sid++) { 2815 2816 srv_rec.ServiceID = sid; 2817 2818 IBCM_DUMP_SERVICE_REC(&srv_rec); 2819 2820 IBTF_DPRINTF_L4(cmlog, "ibt_bind_service: " 2821 "ibmf_saa_write_service_record, SvcId = %llX", 2822 (longlong_t)sid); 2823 2824 status = ibcm_write_service_record(saa_handle, &srv_rec, 2825 IBMF_SAA_UPDATE); 2826 if (status != IBT_SUCCESS) { 2827 IBTF_DPRINTF_L2(cmlog, "ibt_bind_service:" 2828 " ibcm_write_service_record fails %d, " 2829 "sid %llX", status, (longlong_t)sid); 2830 2831 if (sid != start_sid) { 2832 /* 2833 * Bind failed while bind SID other than 2834 * first in the sid_range. So we need 2835 * to unbind those, which are passed. 2836 * 2837 * Need to increment svc count to 2838 * compensate for ibt_unbind_service(). 2839 */ 2840 ibcm_inc_hca_svc_cnt(hcap); 2841 ibcm_dec_hca_acc_cnt(hcap); 2842 2843 (void) ibt_unbind_service(srv_hdl, 2844 sbindp); 2845 } else { 2846 ibcm_svc_bind_t **sbpp; 2847 2848 /* 2849 * Bind failed for the first SID or the 2850 * only SID in question, then no need 2851 * to unbind, just free memory and 2852 * return error. 2853 */ 2854 mutex_enter(&ibcm_svc_info_lock); 2855 2856 sbpp = &srv_hdl->svc_bind_list; 2857 sbp = *sbpp; 2858 while (sbp != NULL) { 2859 if (sbp == sbindp) { 2860 *sbpp = sbp->sbind_link; 2861 break; 2862 } 2863 sbpp = &sbp->sbind_link; 2864 sbp = *sbpp; 2865 } 2866 mutex_exit(&ibcm_svc_info_lock); 2867 ibcm_dec_hca_acc_cnt(hcap); 2868 2869 kmem_free(sbindp, sizeof (*sbindp)); 2870 } 2871 return (status); 2872 } 2873 } 2874 } 2875 ibcm_inc_hca_svc_cnt(hcap); 2876 ibcm_dec_hca_acc_cnt(hcap); 2877 2878 /* If this message isn't seen then ibt_bind_service failed */ 2879 IBTF_DPRINTF_L2(cmlog, "ibt_bind_service: DONE (%p, %llX:%llX)", 2880 srv_hdl, gid.gid_prefix, gid.gid_guid); 2881 2882 if (sb_hdl_p != NULL) 2883 *sb_hdl_p = sbindp; 2884 2885 _NOTE(NOW_VISIBLE_TO_OTHER_THREADS(*sbindp)) 2886 2887 return (IBT_SUCCESS); 2888 } 2889 2890 ibt_status_t 2891 ibt_unbind_service(ibt_srv_hdl_t srv_hdl, ibt_sbind_hdl_t sbindp) 2892 { 2893 ib_svc_id_t sid, end_sid; 2894 ibt_status_t rval; 2895 ibcm_hca_info_t *hcap; 2896 ibcm_svc_bind_t *sbp, **sbpp; 2897 2898 IBTF_DPRINTF_L2(cmlog, "ibt_unbind_service(%p, %p)", 2899 srv_hdl, sbindp); 2900 2901 hcap = ibcm_find_hca_entry(sbindp->sbind_hcaguid); 2902 2903 /* If there is a service on hca, respective hcap cannot go away */ 2904 ASSERT(hcap != NULL); 2905 2906 mutex_enter(&ibcm_svc_info_lock); 2907 2908 sbpp = &srv_hdl->svc_bind_list; 2909 sbp = *sbpp; 2910 while (sbp != NULL) { 2911 if (sbp == sbindp) { 2912 *sbpp = sbp->sbind_link; 2913 break; 2914 } 2915 sbpp = &sbp->sbind_link; 2916 sbp = *sbpp; 2917 } 2918 sid = srv_hdl->svc_id; 2919 end_sid = srv_hdl->svc_id + srv_hdl->svc_num_sids - 1; 2920 if (sbp != NULL) 2921 while (sbp->sbind_rewrite_state == IBCM_REWRITE_BUSY) 2922 cv_wait(&ibcm_svc_info_cv, &ibcm_svc_info_lock); 2923 mutex_exit(&ibcm_svc_info_lock); 2924 2925 if (sbp == NULL) { 2926 IBTF_DPRINTF_L2(cmlog, "ibt_unbind_service: " 2927 "service binding not found: srv_hdl %p, srv_bind %p", 2928 srv_hdl, sbindp); 2929 ibcm_dec_hca_acc_cnt(hcap); 2930 return (IBT_INVALID_PARAM); 2931 } 2932 2933 if (sbindp->sbind_pkey != 0) { /* Are there service records? */ 2934 ibtl_cm_hca_port_t port; 2935 sa_service_record_t srv_rec; 2936 ibmf_saa_handle_t saa_handle; 2937 ibt_status_t status; 2938 2939 /* get the default SGID of the port */ 2940 if ((status = ibtl_cm_get_hca_port(sbindp->sbind_gid, 0, &port)) 2941 != IBT_SUCCESS) { 2942 IBTF_DPRINTF_L2(cmlog, "ibt_unbind_service: " 2943 "ibtl_cm_get_hca_port failed: %d", status); 2944 /* we're done, but there may be stale service records */ 2945 goto done; 2946 } 2947 2948 saa_handle = ibcm_get_saa_handle(hcap, port.hp_port); 2949 if (saa_handle == NULL) { 2950 IBTF_DPRINTF_L2(cmlog, "ibt_unbind_service: " 2951 "saa_handle is NULL"); 2952 /* we're done, but there may be stale service records */ 2953 goto done; 2954 } 2955 2956 /* Fill in fields of srv_rec */ 2957 bzero(&srv_rec, sizeof (srv_rec)); 2958 2959 srv_rec.ServiceP_Key = sbindp->sbind_pkey; 2960 srv_rec.ServiceKey_hi = sbindp->sbind_key[0]; 2961 srv_rec.ServiceKey_lo = sbindp->sbind_key[1]; 2962 srv_rec.ServiceGID = sbindp->sbind_gid; 2963 (void) strcpy((char *)srv_rec.ServiceName, sbindp->sbind_name); 2964 2965 while (sid <= end_sid) { 2966 2967 srv_rec.ServiceID = sid; 2968 IBCM_DUMP_SERVICE_REC(&srv_rec); 2969 2970 rval = ibcm_write_service_record(saa_handle, &srv_rec, 2971 IBMF_SAA_DELETE); 2972 2973 IBTF_DPRINTF_L4(cmlog, "ibt_unbind_service: " 2974 "ibcm_write_service_record rval = %d, SID %llx", 2975 rval, sid); 2976 if (rval != IBT_SUCCESS) { 2977 /* this is not considered a reason to fail */ 2978 IBTF_DPRINTF_L2(cmlog, "ibt_unbind_service: " 2979 "ibcm_write_service_record fails %d, " 2980 "sid %llx", rval, sid); 2981 } 2982 sid++; 2983 } 2984 } 2985 done: 2986 ibcm_dec_hca_svc_cnt(hcap); 2987 ibcm_dec_hca_acc_cnt(hcap); 2988 kmem_free(sbindp, sizeof (*sbindp)); 2989 2990 /* If this message isn't seen then ibt_unbind_service failed */ 2991 IBTF_DPRINTF_L2(cmlog, "ibt_unbind_service: done !!"); 2992 2993 return (IBT_SUCCESS); 2994 } 2995 2996 /* 2997 * Simply pull off each binding from the list and unbind it. 2998 * If any of the unbind calls fail, we fail. 2999 */ 3000 ibt_status_t 3001 ibt_unbind_all_services(ibt_srv_hdl_t srv_hdl) 3002 { 3003 ibt_status_t status; 3004 ibcm_svc_bind_t *sbp; 3005 3006 mutex_enter(&ibcm_svc_info_lock); 3007 sbp = NULL; 3008 3009 /* this compare keeps the loop from being infinite */ 3010 while (sbp != srv_hdl->svc_bind_list) { 3011 sbp = srv_hdl->svc_bind_list; 3012 mutex_exit(&ibcm_svc_info_lock); 3013 status = ibt_unbind_service(srv_hdl, sbp); 3014 if (status != IBT_SUCCESS) 3015 return (status); 3016 mutex_enter(&ibcm_svc_info_lock); 3017 if (srv_hdl->svc_bind_list == NULL) 3018 break; 3019 } 3020 mutex_exit(&ibcm_svc_info_lock); 3021 return (IBT_SUCCESS); 3022 } 3023 3024 /* 3025 * ibt_deregister_service() 3026 * Deregister a service with the IBCM 3027 * 3028 * INPUTS: 3029 * ibt_hdl The IBT client handle returned to the client 3030 * on an ibt_attach() call. 3031 * 3032 * srv_hdl The address of a service identification handle, used 3033 * to de-register a service. 3034 * RETURN VALUES: 3035 * IBT_SUCCESS on success (or respective failure on error) 3036 */ 3037 ibt_status_t 3038 ibt_deregister_service(ibt_clnt_hdl_t ibt_hdl, ibt_srv_hdl_t srv_hdl) 3039 { 3040 ibcm_svc_info_t *svcp; 3041 ibcm_svc_lookup_t svc; 3042 3043 IBTF_DPRINTF_L2(cmlog, "ibt_deregister_service(%p (%s), %p)", 3044 ibt_hdl, ibtl_cm_get_clnt_name(ibt_hdl), srv_hdl); 3045 3046 mutex_enter(&ibcm_svc_info_lock); 3047 3048 if (srv_hdl->svc_bind_list != NULL) { 3049 IBTF_DPRINTF_L2(cmlog, "ibt_deregister_service:" 3050 " srv_hdl %p still has bindings", srv_hdl); 3051 mutex_exit(&ibcm_svc_info_lock); 3052 return (IBT_CM_SERVICE_BUSY); 3053 } 3054 svc.sid = srv_hdl->svc_id; 3055 svc.num_sids = 1; 3056 IBTF_DPRINTF_L3(cmlog, "ibt_deregister_service: SID 0x%llX, numsids %d", 3057 srv_hdl->svc_id, srv_hdl->svc_num_sids); 3058 3059 #ifdef __lock_lint 3060 ibcm_svc_compare(NULL, NULL); 3061 #endif 3062 svcp = avl_find(&ibcm_svc_avl_tree, &svc, NULL); 3063 if (svcp != srv_hdl) { 3064 mutex_exit(&ibcm_svc_info_lock); 3065 IBTF_DPRINTF_L2(cmlog, "ibt_deregister_service(): " 3066 "srv_hdl %p not found", srv_hdl); 3067 return (IBT_INVALID_PARAM); 3068 } 3069 avl_remove(&ibcm_svc_avl_tree, svcp); 3070 3071 /* wait for active REQ/SREQ handling to be done */ 3072 svcp->svc_to_delete = 1; 3073 while (svcp->svc_ref_cnt != 0) 3074 cv_wait(&ibcm_svc_info_cv, &ibcm_svc_info_lock); 3075 3076 mutex_exit(&ibcm_svc_info_lock); 3077 3078 if ((srv_hdl->svc_id & IB_SID_AGN_MASK) == IB_SID_AGN_LOCAL) 3079 ibcm_free_local_sids(srv_hdl->svc_id, srv_hdl->svc_num_sids); 3080 3081 ibtl_cm_change_service_cnt(ibt_hdl, -srv_hdl->svc_num_sids); 3082 kmem_free(srv_hdl, sizeof (*srv_hdl)); 3083 3084 /* If this message isn't seen then ibt_deregister_service failed */ 3085 IBTF_DPRINTF_L2(cmlog, "ibt_deregister_service: done !!"); 3086 3087 return (IBT_SUCCESS); 3088 } 3089 3090 ibcm_status_t 3091 ibcm_ar_init(void) 3092 { 3093 ib_svc_id_t sid = IBCM_DAPL_ATS_SID; 3094 ibcm_svc_info_t *tmp_svcp; 3095 3096 IBTF_DPRINTF_L3(cmlog, "ibcm_ar_init()"); 3097 3098 /* remove this special SID from the pool of available SIDs */ 3099 if ((tmp_svcp = ibcm_create_svc_entry(sid, 1)) == NULL) { 3100 IBTF_DPRINTF_L3(cmlog, "ibcm_ar_init: " 3101 "DAPL ATS SID 0x%llx already registered", (longlong_t)sid); 3102 return (IBCM_FAILURE); 3103 } 3104 mutex_enter(&ibcm_svc_info_lock); 3105 ibcm_ar_svcinfop = tmp_svcp; 3106 ibcm_ar_list = NULL; /* no address records registered yet */ 3107 mutex_exit(&ibcm_svc_info_lock); 3108 return (IBCM_SUCCESS); 3109 } 3110 3111 ibcm_status_t 3112 ibcm_ar_fini(void) 3113 { 3114 ibcm_ar_t *ar_list; 3115 ibcm_svc_info_t *tmp_svcp; 3116 3117 mutex_enter(&ibcm_svc_info_lock); 3118 ar_list = ibcm_ar_list; 3119 3120 if (ar_list == NULL && 3121 avl_numnodes(&ibcm_svc_avl_tree) == 1 && 3122 avl_first(&ibcm_svc_avl_tree) == ibcm_ar_svcinfop) { 3123 avl_remove(&ibcm_svc_avl_tree, ibcm_ar_svcinfop); 3124 tmp_svcp = ibcm_ar_svcinfop; 3125 mutex_exit(&ibcm_svc_info_lock); 3126 kmem_free(tmp_svcp, sizeof (*ibcm_ar_svcinfop)); 3127 return (IBCM_SUCCESS); 3128 } 3129 mutex_exit(&ibcm_svc_info_lock); 3130 return (IBCM_FAILURE); 3131 } 3132 3133 3134 /* 3135 * Return to the caller: 3136 * IBT_SUCCESS Found a perfect match. 3137 * *arpp is set to the record. 3138 * IBT_INCONSISTENT_AR Found a record that's inconsistent. 3139 * IBT_AR_NOT_REGISTERED Found no record with same GID/pkey and 3140 * found no record with same data. 3141 */ 3142 static ibt_status_t 3143 ibcm_search_ar(ibt_ar_t *arp, ibcm_ar_t **arpp) 3144 { 3145 ibcm_ar_t *tmp; 3146 int i; 3147 3148 ASSERT(MUTEX_HELD(&ibcm_svc_info_lock)); 3149 tmp = ibcm_ar_list; 3150 while (tmp != NULL) { 3151 if (tmp->ar.ar_gid.gid_prefix == arp->ar_gid.gid_prefix && 3152 tmp->ar.ar_gid.gid_guid == arp->ar_gid.gid_guid && 3153 tmp->ar.ar_pkey == arp->ar_pkey) { 3154 for (i = 0; i < IBCM_DAPL_ATS_NBYTES; i++) 3155 if (tmp->ar.ar_data[i] != arp->ar_data[i]) 3156 return (IBT_INCONSISTENT_AR); 3157 *arpp = tmp; 3158 return (IBT_SUCCESS); 3159 } else { 3160 /* if all the data bytes match, we have inconsistency */ 3161 for (i = 0; i < IBCM_DAPL_ATS_NBYTES; i++) 3162 if (tmp->ar.ar_data[i] != arp->ar_data[i]) 3163 break; 3164 if (i == IBCM_DAPL_ATS_NBYTES) 3165 return (IBT_INCONSISTENT_AR); 3166 /* try next address record */ 3167 } 3168 tmp = tmp->ar_link; 3169 } 3170 return (IBT_AR_NOT_REGISTERED); 3171 } 3172 3173 ibt_status_t 3174 ibt_register_ar(ibt_clnt_hdl_t ibt_hdl, ibt_ar_t *arp) 3175 { 3176 ibcm_ar_t *found; 3177 ibcm_ar_t *tmp; 3178 ibt_status_t status; 3179 ibt_status_t s1, s2; 3180 char *s; 3181 ibcm_ar_ref_t *hdlp; 3182 ibcm_ar_t *new; 3183 ibcm_ar_t **linkp; 3184 ibtl_cm_hca_port_t cm_port; 3185 uint16_t pkey_ix; 3186 ibcm_hca_info_t *hcap; 3187 ibmf_saa_handle_t saa_handle; 3188 sa_service_record_t *srv_recp; 3189 uint64_t gid_ored; 3190 3191 IBTF_DPRINTF_L3(cmlog, "ibt_register_ar: PKey 0x%X GID %llX:%llX", 3192 arp->ar_pkey, (longlong_t)arp->ar_gid.gid_prefix, 3193 (longlong_t)arp->ar_gid.gid_guid); 3194 3195 /* 3196 * If P_Key is 0, but GID is not, this query is invalid. 3197 * If GID is 0, but P_Key is not, this query is invalid. 3198 */ 3199 gid_ored = arp->ar_gid.gid_guid | arp->ar_gid.gid_prefix; 3200 if ((arp->ar_pkey == 0 && gid_ored != 0ULL) || 3201 (arp->ar_pkey != 0 && gid_ored == 0ULL)) { 3202 IBTF_DPRINTF_L2(cmlog, "ibt_register_ar: " 3203 "GID/P_Key is not valid"); 3204 return (IBT_INVALID_PARAM); 3205 } 3206 3207 /* assume success, so these might be needed */ 3208 hdlp = kmem_alloc(sizeof (*hdlp), KM_SLEEP); 3209 new = kmem_zalloc(sizeof (*new), KM_SLEEP); 3210 3211 mutex_enter(&ibcm_svc_info_lock); 3212 /* search for existing GID/pkey (there can be at most 1) */ 3213 status = ibcm_search_ar(arp, &found); 3214 if (status == IBT_INCONSISTENT_AR) { 3215 mutex_exit(&ibcm_svc_info_lock); 3216 kmem_free(new, sizeof (*new)); 3217 kmem_free(hdlp, sizeof (*hdlp)); 3218 IBTF_DPRINTF_L2(cmlog, "ibt_register_ar: " 3219 "address record is inconsistent with a known one"); 3220 return (IBT_INCONSISTENT_AR); 3221 } else if (status == IBT_SUCCESS) { 3222 if (found->ar_flags == IBCM_AR_INITING) { 3223 found->ar_waiters++; 3224 cv_wait(&found->ar_cv, &ibcm_svc_info_lock); 3225 found->ar_waiters--; 3226 } 3227 if (found->ar_flags == IBCM_AR_FAILED) { 3228 if (found->ar_waiters == 0) { 3229 cv_destroy(&found->ar_cv); 3230 kmem_free(found, sizeof (*found)); 3231 } 3232 mutex_exit(&ibcm_svc_info_lock); 3233 kmem_free(new, sizeof (*new)); 3234 kmem_free(hdlp, sizeof (*hdlp)); 3235 return (ibt_get_module_failure(IBT_FAILURE_IBCM, 0)); 3236 } 3237 hdlp->ar_ibt_hdl = ibt_hdl; 3238 hdlp->ar_ref_link = found->ar_ibt_hdl_list; 3239 found->ar_ibt_hdl_list = hdlp; 3240 mutex_exit(&ibcm_svc_info_lock); 3241 kmem_free(new, sizeof (*new)); 3242 ibtl_cm_change_service_cnt(ibt_hdl, 1); 3243 return (IBT_SUCCESS); 3244 } else { 3245 ASSERT(status == IBT_AR_NOT_REGISTERED); 3246 } 3247 hdlp->ar_ref_link = NULL; 3248 hdlp->ar_ibt_hdl = ibt_hdl; 3249 new->ar_ibt_hdl_list = hdlp; 3250 new->ar = *arp; 3251 new->ar_flags = IBCM_AR_INITING; 3252 new->ar_waiters = 0; 3253 cv_init(&new->ar_cv, NULL, CV_DEFAULT, NULL); 3254 new->ar_link = ibcm_ar_list; 3255 ibcm_ar_list = new; 3256 3257 /* verify GID/pkey is valid for a local port, etc. */ 3258 hcap = NULL; 3259 if ((s1 = ibtl_cm_get_hca_port(arp->ar_gid, 0, &cm_port)) 3260 != IBT_SUCCESS || 3261 (s2 = ibt_pkey2index_byguid(cm_port.hp_hca_guid, cm_port.hp_port, 3262 arp->ar_pkey, &pkey_ix)) != IBT_SUCCESS || 3263 (hcap = ibcm_find_hca_entry(cm_port.hp_hca_guid)) == NULL) { 3264 cv_destroy(&new->ar_cv); 3265 ibcm_ar_list = new->ar_link; 3266 mutex_exit(&ibcm_svc_info_lock); 3267 kmem_free(new, sizeof (*new)); 3268 kmem_free(hdlp, sizeof (*hdlp)); 3269 status = IBT_INVALID_PARAM; 3270 if (s1 == IBT_HCA_PORT_NOT_ACTIVE) { 3271 s = "PORT DOWN"; 3272 status = IBT_HCA_PORT_NOT_ACTIVE; 3273 } else if (s1 != IBT_SUCCESS) 3274 s = "GID not found"; 3275 else if (s2 != IBT_SUCCESS) 3276 s = "PKEY not found"; 3277 else 3278 s = "CM could not find its HCA entry"; 3279 IBTF_DPRINTF_L2(cmlog, "ibt_register_ar: %s, status = %d", 3280 s, status); 3281 return (status); 3282 } 3283 mutex_exit(&ibcm_svc_info_lock); 3284 saa_handle = ibcm_get_saa_handle(hcap, cm_port.hp_port); 3285 3286 /* create service record */ 3287 srv_recp = kmem_zalloc(sizeof (*srv_recp), KM_SLEEP); 3288 srv_recp->ServiceLease = 0xFFFFFFFF; /* infinite */ 3289 srv_recp->ServiceP_Key = arp->ar_pkey; 3290 srv_recp->ServiceKey_hi = 0xDA410000ULL; /* DAPL */ 3291 srv_recp->ServiceKey_lo = 0xA7500000ULL; /* ATS */ 3292 (void) strcpy((char *)srv_recp->ServiceName, IBCM_DAPL_ATS_NAME); 3293 srv_recp->ServiceGID = arp->ar_gid; 3294 bcopy(arp->ar_data, srv_recp->ServiceData, IBCM_DAPL_ATS_NBYTES); 3295 srv_recp->ServiceID = IBCM_DAPL_ATS_SID; 3296 3297 /* insert service record into the SA */ 3298 3299 IBCM_DUMP_SERVICE_REC(srv_recp); 3300 3301 if (saa_handle != NULL) 3302 status = ibcm_write_service_record(saa_handle, srv_recp, 3303 IBMF_SAA_UPDATE); 3304 else 3305 status = IBT_HCA_PORT_NOT_ACTIVE; 3306 3307 if (status != IBT_SUCCESS) { 3308 IBTF_DPRINTF_L2(cmlog, "ibt_register_ar: sa access fails %d, " 3309 "sid %llX", status, (longlong_t)srv_recp->ServiceID); 3310 IBTF_DPRINTF_L2(cmlog, "ibt_register_ar: FAILED for gid " 3311 "%llX:%llX pkey 0x%X", (longlong_t)arp->ar_gid.gid_prefix, 3312 (longlong_t)arp->ar_gid.gid_guid, arp->ar_pkey); 3313 3314 kmem_free(srv_recp, sizeof (*srv_recp)); 3315 kmem_free(hdlp, sizeof (*hdlp)); 3316 3317 mutex_enter(&ibcm_svc_info_lock); 3318 linkp = &ibcm_ar_list; 3319 tmp = *linkp; 3320 while (tmp != NULL) { 3321 if (tmp == new) { 3322 *linkp = new->ar_link; 3323 break; 3324 } 3325 linkp = &tmp->ar_link; 3326 tmp = *linkp; 3327 } 3328 if (new->ar_waiters > 0) { 3329 new->ar_flags = IBCM_AR_FAILED; 3330 cv_broadcast(&new->ar_cv); 3331 mutex_exit(&ibcm_svc_info_lock); 3332 } else { 3333 cv_destroy(&new->ar_cv); 3334 mutex_exit(&ibcm_svc_info_lock); 3335 kmem_free(new, sizeof (*new)); 3336 } 3337 ibcm_dec_hca_acc_cnt(hcap); 3338 IBTF_DPRINTF_L2(cmlog, "ibt_register_ar: " 3339 "IBMF_SAA failed to write address record"); 3340 } else { /* SUCCESS */ 3341 uint8_t *b; 3342 3343 IBTF_DPRINTF_L3(cmlog, "ibt_register_ar: SUCCESS for gid " 3344 "%llx:%llx pkey %x", (longlong_t)arp->ar_gid.gid_prefix, 3345 (longlong_t)arp->ar_gid.gid_guid, arp->ar_pkey); 3346 b = arp->ar_data; 3347 3348 IBTF_DPRINTF_L3(cmlog, "ibt_register_ar:" 3349 " data %d:%d:%d:%d:%d:%d:%d:%d:%d:%d:%d:%d:%d:%d:%d:%d", 3350 b[0], b[1], b[2], b[3], b[4], b[5], b[6], b[7], b[8], b[9], 3351 b[10], b[11], b[12], b[13], b[14], b[15]); 3352 mutex_enter(&ibcm_svc_info_lock); 3353 new->ar_srv_recp = srv_recp; 3354 new->ar_saa_handle = saa_handle; 3355 new->ar_port = cm_port.hp_port; 3356 new->ar_hcap = hcap; 3357 new->ar_flags = IBCM_AR_SUCCESS; 3358 if (new->ar_waiters > 0) 3359 cv_broadcast(&new->ar_cv); 3360 mutex_exit(&ibcm_svc_info_lock); 3361 ibtl_cm_change_service_cnt(ibt_hdl, 1); 3362 /* do not call ibcm_dec_hca_acc_cnt(hcap) until deregister */ 3363 } 3364 return (status); 3365 } 3366 3367 ibt_status_t 3368 ibt_deregister_ar(ibt_clnt_hdl_t ibt_hdl, ibt_ar_t *arp) 3369 { 3370 ibcm_ar_t *found; 3371 ibcm_ar_t *tmp; 3372 ibcm_ar_t **linkp; 3373 ibcm_ar_ref_t *hdlp; 3374 ibcm_ar_ref_t **hdlpp; 3375 ibt_status_t status; 3376 ibmf_saa_handle_t saa_handle; 3377 sa_service_record_t *srv_recp; 3378 uint64_t gid_ored; 3379 3380 IBTF_DPRINTF_L3(cmlog, "ibt_deregister_ar: pkey %x", arp->ar_pkey); 3381 IBTF_DPRINTF_L3(cmlog, "ibt_deregister_ar: gid %llx:%llx", 3382 (longlong_t)arp->ar_gid.gid_prefix, 3383 (longlong_t)arp->ar_gid.gid_guid); 3384 3385 /* 3386 * If P_Key is 0, but GID is not, this query is invalid. 3387 * If GID is 0, but P_Key is not, this query is invalid. 3388 */ 3389 gid_ored = arp->ar_gid.gid_guid | arp->ar_gid.gid_prefix; 3390 if ((arp->ar_pkey == 0 && gid_ored != 0ULL) || 3391 (arp->ar_pkey != 0 && gid_ored == 0ULL)) { 3392 IBTF_DPRINTF_L2(cmlog, "ibt_deregister_ar: " 3393 "GID/P_Key is not valid"); 3394 return (IBT_INVALID_PARAM); 3395 } 3396 3397 mutex_enter(&ibcm_svc_info_lock); 3398 /* search for existing GID/pkey (there can be at most 1) */ 3399 status = ibcm_search_ar(arp, &found); 3400 if (status == IBT_INCONSISTENT_AR || status == IBT_AR_NOT_REGISTERED) { 3401 mutex_exit(&ibcm_svc_info_lock); 3402 IBTF_DPRINTF_L2(cmlog, "ibt_deregister_ar: " 3403 "address record not found"); 3404 return (IBT_AR_NOT_REGISTERED); 3405 } 3406 ASSERT(status == IBT_SUCCESS); 3407 3408 hdlpp = &found->ar_ibt_hdl_list; 3409 hdlp = *hdlpp; 3410 while (hdlp != NULL) { 3411 if (hdlp->ar_ibt_hdl == ibt_hdl) 3412 break; 3413 hdlpp = &hdlp->ar_ref_link; 3414 hdlp = *hdlpp; 3415 } 3416 if (hdlp == NULL) { /* could not find ibt_hdl on list */ 3417 mutex_exit(&ibcm_svc_info_lock); 3418 IBTF_DPRINTF_L2(cmlog, "ibt_deregister_ar: " 3419 "address record found, but not for this client"); 3420 return (IBT_AR_NOT_REGISTERED); 3421 } 3422 *hdlpp = hdlp->ar_ref_link; /* remove ref for this client */ 3423 if (found->ar_ibt_hdl_list == NULL && found->ar_waiters == 0) { 3424 /* last entry was removed */ 3425 found->ar_flags = IBCM_AR_INITING; /* hold off register_ar */ 3426 saa_handle = found->ar_saa_handle; 3427 srv_recp = found->ar_srv_recp; 3428 3429 /* wait if this service record is being rewritten */ 3430 while (found->ar_rewrite_state == IBCM_REWRITE_BUSY) 3431 cv_wait(&ibcm_svc_info_cv, &ibcm_svc_info_lock); 3432 mutex_exit(&ibcm_svc_info_lock); 3433 3434 /* remove service record */ 3435 status = ibcm_write_service_record(saa_handle, srv_recp, 3436 IBMF_SAA_DELETE); 3437 if (status != IBT_SUCCESS) 3438 IBTF_DPRINTF_L2(cmlog, "ibt_deregister_ar: " 3439 "IBMF_SAA failed to delete address record"); 3440 mutex_enter(&ibcm_svc_info_lock); 3441 if (found->ar_waiters == 0) { /* still no waiters */ 3442 linkp = &ibcm_ar_list; 3443 tmp = *linkp; 3444 while (tmp != found) { 3445 linkp = &tmp->ar_link; 3446 tmp = *linkp; 3447 } 3448 *linkp = tmp->ar_link; 3449 ibcm_dec_hca_acc_cnt(found->ar_hcap); 3450 kmem_free(srv_recp, sizeof (*srv_recp)); 3451 cv_destroy(&found->ar_cv); 3452 kmem_free(found, sizeof (*found)); 3453 } else { 3454 /* add service record back in for the waiters */ 3455 mutex_exit(&ibcm_svc_info_lock); 3456 status = ibcm_write_service_record(saa_handle, srv_recp, 3457 IBMF_SAA_UPDATE); 3458 mutex_enter(&ibcm_svc_info_lock); 3459 if (status == IBT_SUCCESS) 3460 found->ar_flags = IBCM_AR_SUCCESS; 3461 else { 3462 found->ar_flags = IBCM_AR_FAILED; 3463 IBTF_DPRINTF_L2(cmlog, "ibt_deregister_ar: " 3464 "IBMF_SAA failed to write address record"); 3465 } 3466 cv_broadcast(&found->ar_cv); 3467 } 3468 } 3469 mutex_exit(&ibcm_svc_info_lock); 3470 kmem_free(hdlp, sizeof (*hdlp)); 3471 ibtl_cm_change_service_cnt(ibt_hdl, -1); 3472 return (status); 3473 } 3474 3475 ibt_status_t 3476 ibt_query_ar(ib_gid_t *sgid, ibt_ar_t *queryp, ibt_ar_t *resultp) 3477 { 3478 sa_service_record_t svcrec_req; 3479 sa_service_record_t *svcrec_resp; 3480 void *results_p; 3481 uint64_t component_mask = 0; 3482 uint64_t gid_ored; 3483 size_t length; 3484 int num_rec; 3485 int i; 3486 ibmf_saa_access_args_t access_args; 3487 ibt_status_t retval; 3488 ibtl_cm_hca_port_t cm_port; 3489 ibcm_hca_info_t *hcap; 3490 ibmf_saa_handle_t saa_handle; 3491 3492 IBTF_DPRINTF_L3(cmlog, "ibt_query_ar(%p, %p)", queryp, resultp); 3493 IBTF_DPRINTF_L3(cmlog, "ibt_query_ar: sgid %llx:%llx", 3494 (longlong_t)sgid->gid_prefix, (longlong_t)sgid->gid_guid); 3495 IBTF_DPRINTF_L3(cmlog, "ibt_query_ar: query_pkey %x", queryp->ar_pkey); 3496 IBTF_DPRINTF_L3(cmlog, "ibt_query_ar: query_gid %llx:%llx", 3497 (longlong_t)queryp->ar_gid.gid_prefix, 3498 (longlong_t)queryp->ar_gid.gid_guid); 3499 3500 /* 3501 * If P_Key is 0, but GID is not, this query is invalid. 3502 * If GID is 0, but P_Key is not, this query is invalid. 3503 */ 3504 gid_ored = queryp->ar_gid.gid_guid | queryp->ar_gid.gid_prefix; 3505 if ((queryp->ar_pkey == 0 && gid_ored != 0ULL) || 3506 (queryp->ar_pkey != 0 && gid_ored == 0ULL)) { 3507 IBTF_DPRINTF_L2(cmlog, "ibt_query_ar: GID/P_Key is not valid"); 3508 return (IBT_INVALID_PARAM); 3509 } 3510 3511 hcap = NULL; 3512 if (ibtl_cm_get_hca_port(*sgid, 0, &cm_port) != IBT_SUCCESS || 3513 (hcap = ibcm_find_hca_entry(cm_port.hp_hca_guid)) == NULL || 3514 (saa_handle = ibcm_get_saa_handle(hcap, cm_port.hp_port)) == NULL) { 3515 if (hcap != NULL) 3516 ibcm_dec_hca_acc_cnt(hcap); 3517 IBTF_DPRINTF_L2(cmlog, "ibt_query_ar: sgid is not valid"); 3518 return (IBT_INVALID_PARAM); 3519 } 3520 3521 bzero(&svcrec_req, sizeof (svcrec_req)); 3522 3523 /* Is GID/P_Key Specified. */ 3524 if (queryp->ar_pkey != 0) { /* GID is non-zero from check above */ 3525 svcrec_req.ServiceP_Key = queryp->ar_pkey; 3526 component_mask |= SA_SR_COMPMASK_PKEY; 3527 IBTF_DPRINTF_L3(cmlog, "ibt_query_ar: P_Key %X", 3528 queryp->ar_pkey); 3529 svcrec_req.ServiceGID = queryp->ar_gid; 3530 component_mask |= SA_SR_COMPMASK_GID; 3531 IBTF_DPRINTF_L3(cmlog, "ibt_query_ar: GID %llX:%llX", 3532 (longlong_t)queryp->ar_gid.gid_prefix, 3533 (longlong_t)queryp->ar_gid.gid_guid); 3534 } 3535 3536 /* Is ServiceData Specified. */ 3537 for (i = 0; i < IBCM_DAPL_ATS_NBYTES; i++) { 3538 if (queryp->ar_data[i] != 0) { 3539 bcopy(queryp->ar_data, svcrec_req.ServiceData, 3540 IBCM_DAPL_ATS_NBYTES); 3541 component_mask |= 0xFFFF << 7; /* all 16 Data8 */ 3542 /* components */ 3543 break; 3544 } 3545 } 3546 3547 /* Service Name */ 3548 (void) strcpy((char *)svcrec_req.ServiceName, IBCM_DAPL_ATS_NAME); 3549 component_mask |= SA_SR_COMPMASK_NAME; 3550 3551 svcrec_req.ServiceID = IBCM_DAPL_ATS_SID; 3552 component_mask |= SA_SR_COMPMASK_ID; 3553 3554 IBTF_DPRINTF_L3(cmlog, "ibt_query_ar: " 3555 "Perform SA Access: Mask: 0x%X", component_mask); 3556 3557 /* 3558 * Call in SA Access retrieve routine to get Service Records. 3559 * 3560 * SA Access framework allocated memory for the "results_p". 3561 * Make sure to deallocate once we are done with the results_p. 3562 * The size of the buffer allocated will be as returned in 3563 * "length" field. 3564 */ 3565 access_args.sq_attr_id = SA_SERVICERECORD_ATTRID; 3566 access_args.sq_access_type = IBMF_SAA_RETRIEVE; 3567 access_args.sq_component_mask = component_mask; 3568 access_args.sq_template = &svcrec_req; 3569 access_args.sq_template_length = sizeof (sa_service_record_t); 3570 access_args.sq_callback = NULL; 3571 access_args.sq_callback_arg = NULL; 3572 3573 retval = ibcm_contact_sa_access(saa_handle, &access_args, &length, 3574 &results_p); 3575 3576 ibcm_dec_hca_acc_cnt(hcap); 3577 if (retval != IBT_SUCCESS) { 3578 IBTF_DPRINTF_L2(cmlog, "ibt_query_ar: SA Access Failed"); 3579 return (retval); 3580 } 3581 3582 num_rec = length / sizeof (sa_service_record_t); 3583 3584 IBTF_DPRINTF_L3(cmlog, "ibt_query_ar: " 3585 "Found %d Service Records.", num_rec); 3586 3587 /* Validate the returned number of records. */ 3588 if ((results_p != NULL) && (num_rec > 0)) { 3589 uint8_t *b; 3590 3591 /* Just return info from the first service record. */ 3592 svcrec_resp = (sa_service_record_t *)results_p; 3593 3594 /* The Service GID and Service ID */ 3595 resultp->ar_gid = svcrec_resp->ServiceGID; 3596 resultp->ar_pkey = svcrec_resp->ServiceP_Key; 3597 bcopy(svcrec_resp->ServiceData, 3598 resultp->ar_data, IBCM_DAPL_ATS_NBYTES); 3599 3600 IBTF_DPRINTF_L3(cmlog, "ibt_query_ar: " 3601 "Found: pkey %x dgid %llX:%llX", resultp->ar_pkey, 3602 (longlong_t)resultp->ar_gid.gid_prefix, 3603 (longlong_t)resultp->ar_gid.gid_guid); 3604 b = resultp->ar_data; 3605 IBTF_DPRINTF_L3(cmlog, "ibt_query_ar:" 3606 " data %d:%d:%d:%d:%d:%d:%d:%d:%d:%d:%d:%d:%d:%d:%d:%d", 3607 b[0], b[1], b[2], b[3], b[4], b[5], b[6], b[7], b[8], b[9], 3608 b[10], b[11], b[12], b[13], b[14], b[15]); 3609 3610 /* Deallocate the memory for results_p. */ 3611 kmem_free(results_p, length); 3612 if (num_rec > 1) 3613 retval = IBT_MULTIPLE_AR; 3614 else 3615 retval = IBT_SUCCESS; 3616 } else { 3617 IBTF_DPRINTF_L2(cmlog, "ibt_query_ar: " 3618 "ibmf_sa_access found 0 matching records"); 3619 retval = IBT_AR_NOT_REGISTERED; 3620 } 3621 return (retval); 3622 } 3623 3624 /* mark all ATS service records associated with the port */ 3625 static void 3626 ibcm_mark_ar(ib_guid_t hca_guid, uint8_t port) 3627 { 3628 ibcm_ar_t *tmp; 3629 3630 ASSERT(MUTEX_HELD(&ibcm_svc_info_lock)); 3631 for (tmp = ibcm_ar_list; tmp != NULL; tmp = tmp->ar_link) { 3632 if (tmp->ar_hcap == NULL) 3633 continue; 3634 if (tmp->ar_hcap->hca_guid == hca_guid && 3635 tmp->ar_port == port) { 3636 /* even if it's busy, we mark it for rewrite */ 3637 tmp->ar_rewrite_state = IBCM_REWRITE_NEEDED; 3638 } 3639 } 3640 } 3641 3642 /* rewrite all ATS service records */ 3643 static int 3644 ibcm_rewrite_ar(void) 3645 { 3646 ibcm_ar_t *tmp; 3647 ibmf_saa_handle_t saa_handle; 3648 sa_service_record_t *srv_recp; 3649 ibt_status_t rval; 3650 int did_something = 0; 3651 3652 ASSERT(MUTEX_HELD(&ibcm_svc_info_lock)); 3653 check_for_work: 3654 for (tmp = ibcm_ar_list; tmp != NULL; tmp = tmp->ar_link) { 3655 if (tmp->ar_rewrite_state == IBCM_REWRITE_NEEDED) { 3656 tmp->ar_rewrite_state = IBCM_REWRITE_BUSY; 3657 saa_handle = tmp->ar_saa_handle; 3658 srv_recp = tmp->ar_srv_recp; 3659 mutex_exit(&ibcm_svc_info_lock); 3660 IBTF_DPRINTF_L3(cmlog, "ibcm_rewrite_ar: " 3661 "rewriting ar @ %p", tmp); 3662 did_something = 1; 3663 rval = ibcm_write_service_record(saa_handle, srv_recp, 3664 IBMF_SAA_UPDATE); 3665 if (rval != IBT_SUCCESS) 3666 IBTF_DPRINTF_L2(cmlog, "ibcm_rewrite_ar: " 3667 "ibcm_write_service_record failed: " 3668 "status = %d", rval); 3669 mutex_enter(&ibcm_svc_info_lock); 3670 /* if it got marked again, then we want to rewrite */ 3671 if (tmp->ar_rewrite_state == IBCM_REWRITE_BUSY) 3672 tmp->ar_rewrite_state = IBCM_REWRITE_IDLE; 3673 /* in case there was a waiter... */ 3674 cv_broadcast(&ibcm_svc_info_cv); 3675 goto check_for_work; 3676 } 3677 } 3678 return (did_something); 3679 } 3680 3681 static void 3682 ibcm_rewrite_svc_record(ibcm_svc_info_t *srv_hdl, ibcm_svc_bind_t *sbindp) 3683 { 3684 ibcm_hca_info_t *hcap; 3685 ib_svc_id_t sid, start_sid, end_sid; 3686 ibmf_saa_handle_t saa_handle; 3687 sa_service_record_t srv_rec; 3688 ibt_status_t rval; 3689 3690 hcap = ibcm_find_hca_entry(sbindp->sbind_hcaguid); 3691 if (hcap == NULL) { 3692 IBTF_DPRINTF_L2(cmlog, "ibcm_rewrite_svc_record: " 3693 "NO HCA found for HCA GUID %llX", sbindp->sbind_hcaguid); 3694 return; 3695 } 3696 3697 saa_handle = ibcm_get_saa_handle(hcap, sbindp->sbind_port); 3698 if (saa_handle == NULL) { 3699 IBTF_DPRINTF_L2(cmlog, "ibcm_rewrite_svc_record: " 3700 "saa_handle is NULL"); 3701 ibcm_dec_hca_acc_cnt(hcap); 3702 return; 3703 } 3704 3705 IBTF_DPRINTF_L3(cmlog, "ibcm_rewrite_svc_record: " 3706 "rewriting svc '%s', port_guid = %llX", sbindp->sbind_name, 3707 sbindp->sbind_gid.gid_guid); 3708 3709 bzero(&srv_rec, sizeof (srv_rec)); 3710 3711 srv_rec.ServiceLease = sbindp->sbind_lease; 3712 srv_rec.ServiceP_Key = sbindp->sbind_pkey; 3713 srv_rec.ServiceKey_hi = sbindp->sbind_key[0]; 3714 srv_rec.ServiceKey_lo = sbindp->sbind_key[1]; 3715 (void) strcpy((char *)srv_rec.ServiceName, sbindp->sbind_name); 3716 srv_rec.ServiceGID = sbindp->sbind_gid; 3717 3718 bcopy(sbindp->sbind_data, srv_rec.ServiceData, IB_SVC_DATA_LEN); 3719 3720 /* insert srv record into the SA */ 3721 start_sid = srv_hdl->svc_id; 3722 end_sid = start_sid + srv_hdl->svc_num_sids - 1; 3723 for (sid = start_sid; sid <= end_sid; sid++) { 3724 srv_rec.ServiceID = sid; 3725 3726 rval = ibcm_write_service_record(saa_handle, &srv_rec, 3727 IBMF_SAA_UPDATE); 3728 3729 IBTF_DPRINTF_L4(cmlog, "ibcm_rewrite_svc_record: " 3730 "ibcm_write_service_record, SvcId = %llX, " 3731 "rval = %d", (longlong_t)sid, rval); 3732 if (rval != IBT_SUCCESS) { 3733 IBTF_DPRINTF_L2(cmlog, "ibcm_rewrite_svc_record:" 3734 " ibcm_write_service_record fails %d sid %llX", 3735 rval, (longlong_t)sid); 3736 } 3737 } 3738 ibcm_dec_hca_acc_cnt(hcap); 3739 } 3740 3741 /* 3742 * Task to mark all service records as needing to be rewritten to the SM/SA. 3743 * This task does not return until all of them have been rewritten. 3744 */ 3745 void 3746 ibcm_service_record_rewrite_task(void *arg) 3747 { 3748 ibcm_port_up_t *pup = (ibcm_port_up_t *)arg; 3749 ib_guid_t hca_guid = pup->pup_hca_guid; 3750 uint8_t port = pup->pup_port; 3751 ibcm_svc_info_t *svcp; 3752 ibcm_svc_bind_t *sbp; 3753 avl_tree_t *avl_tree = &ibcm_svc_avl_tree; 3754 static int task_is_running = 0; 3755 3756 IBTF_DPRINTF_L3(cmlog, "ibcm_service_record_rewrite_task STARTED " 3757 "for hca_guid %llX, port %d", hca_guid, port); 3758 3759 mutex_enter(&ibcm_svc_info_lock); 3760 ibcm_mark_ar(hca_guid, port); 3761 for (svcp = avl_first(avl_tree); svcp != NULL; 3762 svcp = avl_walk(avl_tree, svcp, AVL_AFTER)) { 3763 sbp = svcp->svc_bind_list; 3764 while (sbp != NULL) { 3765 if (sbp->sbind_pkey != 0 && 3766 sbp->sbind_port == port && 3767 sbp->sbind_hcaguid == hca_guid) { 3768 /* even if it's busy, we mark it for rewrite */ 3769 sbp->sbind_rewrite_state = IBCM_REWRITE_NEEDED; 3770 } 3771 sbp = sbp->sbind_link; 3772 } 3773 } 3774 if (task_is_running) { 3775 /* let the other task thread finish the work */ 3776 mutex_exit(&ibcm_svc_info_lock); 3777 return; 3778 } 3779 task_is_running = 1; 3780 3781 (void) ibcm_rewrite_ar(); 3782 3783 check_for_work: 3784 for (svcp = avl_first(avl_tree); svcp != NULL; 3785 svcp = avl_walk(avl_tree, svcp, AVL_AFTER)) { 3786 sbp = svcp->svc_bind_list; 3787 while (sbp != NULL) { 3788 if (sbp->sbind_rewrite_state == IBCM_REWRITE_NEEDED) { 3789 sbp->sbind_rewrite_state = IBCM_REWRITE_BUSY; 3790 mutex_exit(&ibcm_svc_info_lock); 3791 ibcm_rewrite_svc_record(svcp, sbp); 3792 mutex_enter(&ibcm_svc_info_lock); 3793 /* if it got marked again, we want to rewrite */ 3794 if (sbp->sbind_rewrite_state == 3795 IBCM_REWRITE_BUSY) 3796 sbp->sbind_rewrite_state = 3797 IBCM_REWRITE_IDLE; 3798 /* in case there was a waiter... */ 3799 cv_broadcast(&ibcm_svc_info_cv); 3800 goto check_for_work; 3801 } 3802 sbp = sbp->sbind_link; 3803 } 3804 } 3805 /* 3806 * If there were no service records to write, and we failed to 3807 * have to rewrite any more ATS service records, then we're done. 3808 */ 3809 if (ibcm_rewrite_ar() != 0) 3810 goto check_for_work; 3811 task_is_running = 0; 3812 mutex_exit(&ibcm_svc_info_lock); 3813 3814 IBTF_DPRINTF_L3(cmlog, "ibcm_service_record_rewrite_task DONE"); 3815 kmem_free(pup, sizeof (ibcm_port_up_t)); 3816 } 3817 3818 3819 /* 3820 * Function: 3821 * ibt_cm_proceed 3822 * 3823 * Verifies the arguments and dispatches the cm state machine processing 3824 * via taskq 3825 */ 3826 3827 ibt_status_t 3828 ibt_cm_proceed(ibt_cm_event_type_t event, void *session_id, 3829 ibt_cm_status_t status, ibt_cm_proceed_reply_t *cm_event_data, 3830 void *priv_data, ibt_priv_data_len_t priv_data_len) 3831 { 3832 ibcm_state_data_t *statep = (ibcm_state_data_t *)session_id; 3833 ibcm_proceed_targs_t *proceed_targs; 3834 ibcm_proceed_error_t proceed_error; 3835 3836 IBTF_DPRINTF_L3(cmlog, "ibt_cm_proceed chan 0x%p event %x status %x " 3837 "session_id %p", statep->channel, event, status, session_id); 3838 3839 IBTF_DPRINTF_L5(cmlog, "ibt_cm_proceed chan 0x%p cm_event_data %p, " 3840 "priv_data %p priv_data_len %x", statep->channel, cm_event_data, 3841 priv_data, priv_data_len); 3842 3843 /* validate session_id and status */ 3844 if ((statep == NULL) || (status == IBT_CM_DEFER)) { 3845 IBTF_DPRINTF_L2(cmlog, "ibt_cm_proceed : Invalid Args"); 3846 return (IBT_INVALID_PARAM); 3847 } 3848 3849 /* If priv data len specified, then priv_data cannot be NULL */ 3850 if ((priv_data_len > 0) && (priv_data == NULL)) 3851 return (IBT_INVALID_PARAM); 3852 3853 proceed_error = IBCM_PROCEED_INVALID_NONE; 3854 3855 mutex_enter(&statep->state_mutex); 3856 if (event == IBT_CM_EVENT_REQ_RCV) { 3857 3858 if ((statep->state != IBCM_STATE_REQ_RCVD) && 3859 (statep->state != IBCM_STATE_MRA_SENT)) 3860 proceed_error = IBCM_PROCEED_INVALID_EVENT_STATE; 3861 else if (priv_data_len > IBT_REP_PRIV_DATA_SZ) 3862 proceed_error = IBCM_PROCEED_INVALID_PRIV_SZ; 3863 3864 } else if (event == IBT_CM_EVENT_REP_RCV) { 3865 if ((statep->state != IBCM_STATE_REP_RCVD) && 3866 (statep->state != IBCM_STATE_MRA_REP_SENT)) 3867 proceed_error = IBCM_PROCEED_INVALID_EVENT_STATE; 3868 else if (priv_data_len > IBT_RTU_PRIV_DATA_SZ) 3869 proceed_error = IBCM_PROCEED_INVALID_PRIV_SZ; 3870 } else if (event == IBT_CM_EVENT_LAP_RCV) { 3871 if ((statep->ap_state != IBCM_AP_STATE_LAP_RCVD) && 3872 (statep->ap_state != IBCM_AP_STATE_MRA_LAP_SENT)) 3873 proceed_error = IBCM_PROCEED_INVALID_EVENT_STATE; 3874 else if (priv_data_len > IBT_APR_PRIV_DATA_SZ) 3875 proceed_error = IBCM_PROCEED_INVALID_PRIV_SZ; 3876 } else if (event == IBT_CM_EVENT_CONN_CLOSED) { 3877 if (statep->state != IBCM_STATE_DREQ_RCVD) 3878 proceed_error = IBCM_PROCEED_INVALID_EVENT_STATE; 3879 else if (priv_data_len > IBT_DREP_PRIV_DATA_SZ) 3880 proceed_error = IBCM_PROCEED_INVALID_PRIV_SZ; 3881 } else { 3882 proceed_error = IBCM_PROCEED_INVALID_EVENT; 3883 } 3884 3885 /* if there is an error, print an error message and return */ 3886 if (proceed_error != IBCM_PROCEED_INVALID_NONE) { 3887 mutex_exit(&statep->state_mutex); 3888 if (proceed_error == IBCM_PROCEED_INVALID_EVENT_STATE) { 3889 IBTF_DPRINTF_L2(cmlog, "ibt_cm_proceed : chan 0x%p" 3890 "Invalid Event/State combination specified", 3891 statep->channel); 3892 return (IBT_INVALID_PARAM); 3893 } else if (proceed_error == IBCM_PROCEED_INVALID_PRIV_SZ) { 3894 IBTF_DPRINTF_L2(cmlog, "ibt_cm_proceed : chan 0x%p" 3895 "Invalid Event/priv len combination specified", 3896 statep->channel); 3897 return (IBT_INVALID_PARAM); 3898 } else if (proceed_error == IBCM_PROCEED_INVALID_EVENT) { 3899 IBTF_DPRINTF_L2(cmlog, "ibt_cm_proceed : chan 0x%p" 3900 "Invalid Event specified", statep->channel); 3901 return (IBT_INVALID_PARAM); 3902 } else { 3903 ASSERT(proceed_error == IBCM_PROCEED_INVALID_LAP); 3904 IBTF_DPRINTF_L2(cmlog, "ibt_cm_proceed : chan 0x%p" 3905 "IBT_CM_EVENT_LAP_RCV not supported", 3906 statep->channel); 3907 /* UNTIL HCA DRIVER ENABLES AP SUPPORT, FAIL THE CALL */ 3908 return (IBT_APM_NOT_SUPPORTED); 3909 } 3910 } 3911 3912 3913 /* wait until client's CM handler returns DEFER status back to CM */ 3914 3915 while (statep->clnt_proceed == IBCM_BLOCK) { 3916 IBTF_DPRINTF_L5(cmlog, "ibt_cm_proceed : chan 0x%p blocked for " 3917 "return of client's cm handler", statep->channel); 3918 cv_wait(&statep->block_client_cv, &statep->state_mutex); 3919 } 3920 3921 if (statep->clnt_proceed == IBCM_FAIL) { 3922 mutex_exit(&statep->state_mutex); 3923 IBTF_DPRINTF_L2(cmlog, "ibt_cm_proceed : chan 0x%p Failed as " 3924 "client returned non-DEFER status from cm handler", 3925 statep->channel); 3926 return (IBT_CHAN_STATE_INVALID); 3927 } 3928 3929 ASSERT(statep->clnt_proceed == IBCM_UNBLOCK); 3930 statep->clnt_proceed = IBCM_FAIL; 3931 mutex_exit(&statep->state_mutex); 3932 3933 _NOTE(NOW_INVISIBLE_TO_OTHER_THREADS(*proceed_targs)) 3934 3935 /* the state machine processing is done in a separate thread */ 3936 3937 /* proceed_targs is freed in ibcm_proceed_via_taskq */ 3938 proceed_targs = kmem_alloc(sizeof (ibcm_proceed_targs_t), 3939 KM_SLEEP); 3940 3941 proceed_targs->event = event; 3942 proceed_targs->status = status; 3943 proceed_targs->priv_data_len = priv_data_len; 3944 3945 bcopy(priv_data, proceed_targs->priv_data, priv_data_len); 3946 3947 proceed_targs->tst.rc.statep = statep; 3948 bcopy(cm_event_data, &proceed_targs->tst.rc.rc_cm_event_data, 3949 sizeof (ibt_cm_proceed_reply_t)); 3950 3951 _NOTE(NOW_VISIBLE_TO_OTHER_THREADS(*proceed_targs)) 3952 3953 (void) taskq_dispatch(ibcm_taskq, ibcm_proceed_via_taskq, 3954 proceed_targs, TQ_SLEEP); 3955 3956 return (IBT_SUCCESS); 3957 } 3958 3959 /* 3960 * Function: 3961 * ibcm_proceed_via_taskq 3962 * 3963 * Called from taskq, dispatched by ibt_cm_proceed 3964 * Completes the cm state processing for ibt_cm_proceed 3965 */ 3966 void 3967 ibcm_proceed_via_taskq(void *targs) 3968 { 3969 ibcm_proceed_targs_t *proceed_targs = (ibcm_proceed_targs_t *)targs; 3970 ibcm_state_data_t *statep = proceed_targs->tst.rc.statep; 3971 ibt_cm_reason_t reject_reason; 3972 uint8_t arej_len; 3973 ibcm_status_t response; 3974 ibcm_clnt_reply_info_t clnt_info; 3975 3976 clnt_info.reply_event = &proceed_targs->tst.rc.rc_cm_event_data; 3977 clnt_info.priv_data = proceed_targs->priv_data; 3978 clnt_info.priv_data_len = proceed_targs->priv_data_len; 3979 3980 IBTF_DPRINTF_L4(cmlog, "ibcm_proceed_via_taskq chan 0x%p targs %x", 3981 statep->channel, targs); 3982 3983 if (proceed_targs->event == IBT_CM_EVENT_REQ_RCV) { 3984 response = 3985 ibcm_process_cep_req_cm_hdlr(statep, proceed_targs->status, 3986 &clnt_info, &reject_reason, &arej_len, 3987 (ibcm_req_msg_t *)statep->defer_cm_msg); 3988 3989 ibcm_handle_cep_req_response(statep, response, reject_reason, 3990 arej_len); 3991 3992 } else if (proceed_targs->event == IBT_CM_EVENT_REP_RCV) { 3993 response = 3994 ibcm_process_cep_rep_cm_hdlr(statep, proceed_targs->status, 3995 &clnt_info, &reject_reason, &arej_len, 3996 (ibcm_rep_msg_t *)statep->defer_cm_msg); 3997 3998 ibcm_handle_cep_rep_response(statep, response, reject_reason, 3999 arej_len, (ibcm_rep_msg_t *)statep->defer_cm_msg); 4000 4001 } else if (proceed_targs->event == IBT_CM_EVENT_LAP_RCV) { 4002 ibcm_process_cep_lap_cm_hdlr(statep, proceed_targs->status, 4003 &clnt_info, (ibcm_lap_msg_t *)statep->defer_cm_msg, 4004 (ibcm_apr_msg_t *)IBCM_OUT_MSGP(statep->lapr_msg)); 4005 4006 ibcm_post_apr_mad(statep); 4007 4008 } else { 4009 ASSERT(proceed_targs->event == IBT_CM_EVENT_CONN_CLOSED); 4010 ibcm_handle_cep_dreq_response(statep, proceed_targs->priv_data, 4011 proceed_targs->priv_data_len); 4012 } 4013 4014 kmem_free(targs, sizeof (ibcm_proceed_targs_t)); 4015 } 4016 4017 /* 4018 * Function: 4019 * ibt_cm_ud_proceed 4020 * 4021 * Verifies the arguments and dispatches the cm state machine processing 4022 * via taskq 4023 */ 4024 ibt_status_t 4025 ibt_cm_ud_proceed(void *session_id, ibt_channel_hdl_t ud_channel, 4026 ibt_cm_status_t status, ibt_redirect_info_t *redirect_infop, 4027 void *priv_data, ibt_priv_data_len_t priv_data_len) 4028 { 4029 ibcm_ud_state_data_t *ud_statep = (ibcm_ud_state_data_t *)session_id; 4030 ibcm_proceed_targs_t *proceed_targs; 4031 ibt_qp_query_attr_t qp_attr; 4032 ibt_status_t retval; 4033 4034 IBTF_DPRINTF_L3(cmlog, "ibt_cm_ud_proceed session_id %p " 4035 "ud_channel %p ", session_id, ud_channel); 4036 4037 IBTF_DPRINTF_L4(cmlog, "ibt_cm_ud_proceed status %x priv_data %p " 4038 "priv_data_len %x", status, priv_data, priv_data_len); 4039 4040 /* validate session_id and status */ 4041 if ((ud_statep == NULL) || (status == IBT_CM_DEFER)) { 4042 IBTF_DPRINTF_L2(cmlog, "ibt_cm_ud_proceed : Invalid Args"); 4043 return (IBT_INVALID_PARAM); 4044 } 4045 4046 /* If priv data len specified, then priv_data cannot be NULL */ 4047 if ((priv_data_len > 0) && (priv_data == NULL)) 4048 return (IBT_INVALID_PARAM); 4049 4050 if (priv_data_len > IBT_SIDR_REP_PRIV_DATA_SZ) 4051 return (IBT_INVALID_PARAM); 4052 4053 /* retrieve qpn and qkey from ud channel */ 4054 4055 /* validate event and statep's state */ 4056 4057 if (status == IBT_CM_ACCEPT) { 4058 retval = ibt_query_qp(ud_channel, &qp_attr); 4059 if ((retval != IBT_SUCCESS) || 4060 (qp_attr.qp_info.qp_trans != IBT_UD_SRV)) { 4061 IBTF_DPRINTF_L2(cmlog, "ibt_cm_ud_proceed: " 4062 "Failed to retrieve QPN from the channel: %d", 4063 retval); 4064 return (IBT_INVALID_PARAM); 4065 } 4066 } 4067 4068 4069 mutex_enter(&ud_statep->ud_state_mutex); 4070 4071 if (ud_statep->ud_state != IBCM_STATE_SIDR_REQ_RCVD) { 4072 mutex_exit(&ud_statep->ud_state_mutex); 4073 IBTF_DPRINTF_L2(cmlog, "ibt_cm_ud_proceed : Invalid State " 4074 "specified"); 4075 return (IBT_INVALID_PARAM); 4076 } 4077 4078 /* wait until client's CM handler returns DEFER status back to CM */ 4079 4080 while (ud_statep->ud_clnt_proceed == IBCM_BLOCK) { 4081 IBTF_DPRINTF_L5(cmlog, "ibt_cm_ud_proceed : Blocked for return" 4082 " of client's ud cm handler"); 4083 cv_wait(&ud_statep->ud_block_client_cv, 4084 &ud_statep->ud_state_mutex); 4085 } 4086 4087 if (ud_statep->ud_clnt_proceed == IBCM_FAIL) { 4088 mutex_exit(&ud_statep->ud_state_mutex); 4089 IBTF_DPRINTF_L2(cmlog, "ibt_cm_ud_proceed : Failed as client " 4090 "returned non-DEFER status from cm handler"); 4091 return (IBT_INVALID_PARAM); 4092 } 4093 4094 ASSERT(ud_statep->ud_clnt_proceed == IBCM_UNBLOCK); 4095 ud_statep->ud_clnt_proceed = IBCM_FAIL; 4096 mutex_exit(&ud_statep->ud_state_mutex); 4097 4098 _NOTE(NOW_INVISIBLE_TO_OTHER_THREADS(*proceed_targs)) 4099 4100 /* the state machine processing is done in a separate thread */ 4101 4102 /* proceed_targs is freed in ibcm_proceed_via_taskq */ 4103 proceed_targs = kmem_zalloc(sizeof (ibcm_proceed_targs_t), 4104 KM_SLEEP); 4105 4106 proceed_targs->status = status; 4107 proceed_targs->priv_data_len = priv_data_len; 4108 4109 bcopy(priv_data, proceed_targs->priv_data, priv_data_len); 4110 4111 if (status == IBT_CM_ACCEPT) { 4112 proceed_targs->tst.ud.ud_qkey = 4113 qp_attr.qp_info.qp_transport.ud.ud_qkey; 4114 proceed_targs->tst.ud.ud_qpn = qp_attr.qp_qpn; 4115 } 4116 4117 proceed_targs->tst.ud.ud_statep = ud_statep; 4118 4119 /* copy redirect info based on status */ 4120 if (status == IBT_CM_REDIRECT) 4121 bcopy(redirect_infop, &proceed_targs->tst.ud.ud_redirect_info, 4122 sizeof (ibt_redirect_info_t)); 4123 4124 _NOTE(NOW_VISIBLE_TO_OTHER_THREADS(*proceed_targs)) 4125 4126 (void) taskq_dispatch(ibcm_taskq, ibcm_ud_proceed_via_taskq, 4127 proceed_targs, TQ_SLEEP); 4128 4129 return (IBT_SUCCESS); 4130 } 4131 4132 /* 4133 * Function: 4134 * ibcm_ud_proceed_via_taskq 4135 * 4136 * Called from taskq, dispatched by ibt_cm_ud_proceed 4137 * Completes the cm state processing for ibt_cm_ud_proceed 4138 */ 4139 void 4140 ibcm_ud_proceed_via_taskq(void *targs) 4141 { 4142 ibcm_proceed_targs_t *proceed_targs = (ibcm_proceed_targs_t *)targs; 4143 ibcm_ud_state_data_t *ud_statep = proceed_targs->tst.ud.ud_statep; 4144 ibcm_ud_clnt_reply_info_t ud_clnt_info; 4145 ibt_sidr_status_t sidr_status; 4146 4147 IBTF_DPRINTF_L4(cmlog, "ibcm_ud_proceed_via_taskq(%p)", targs); 4148 4149 ud_clnt_info.ud_qpn = proceed_targs->tst.ud.ud_qpn; 4150 ud_clnt_info.ud_qkey = proceed_targs->tst.ud.ud_qkey; 4151 ud_clnt_info.priv_data = proceed_targs->priv_data; 4152 ud_clnt_info.priv_data_len = proceed_targs->priv_data_len; 4153 ud_clnt_info.redirect_infop = &proceed_targs->tst.ud.ud_redirect_info; 4154 4155 /* validate event and statep's state */ 4156 ibcm_process_sidr_req_cm_hdlr(ud_statep, proceed_targs->status, 4157 &ud_clnt_info, &sidr_status, 4158 (ibcm_sidr_rep_msg_t *)IBCM_OUT_MSGP(ud_statep->ud_stored_msg)); 4159 4160 ibcm_post_sidr_rep_mad(ud_statep, sidr_status); 4161 4162 /* decr the statep ref cnt incremented in ibcm_process_sidr_req_msg */ 4163 mutex_enter(&ud_statep->ud_state_mutex); 4164 IBCM_UD_REF_CNT_DECR(ud_statep); 4165 mutex_exit(&ud_statep->ud_state_mutex); 4166 4167 kmem_free(targs, sizeof (ibcm_proceed_targs_t)); 4168 } 4169 4170 /* 4171 * Function: 4172 * ibt_set_alt_path 4173 * Input: 4174 * channel Channel handle returned from ibt_alloc_rc_channel(9F). 4175 * 4176 * mode Execute in blocking or non blocking mode. 4177 * 4178 * alt_path A pointer to an ibt_alt_path_info_t as returned from an 4179 * ibt_get_alt_path(9F) call that specifies the new 4180 * alternate path. 4181 * 4182 * priv_data A pointer to a buffer specified by caller for the 4183 * private data in the outgoing CM Load Alternate Path 4184 * (LAP) message sent to the remote host. This can be NULL 4185 * if no private data is available to communicate to the 4186 * remote node. 4187 * 4188 * priv_data_len Length of valid data in priv_data, this should be less 4189 * than or equal to IBT_LAP_PRIV_DATA_SZ. 4190 * 4191 * Output: 4192 * ret_args If called in blocking mode, points to a return argument 4193 * structure of type ibt_ap_returns_t. 4194 * 4195 * Returns: 4196 * IBT_SUCCESS on Success else appropriate error. 4197 * Description: 4198 * Load the specified alternate path. Causes the CM to send an LAP message 4199 * to the remote node. 4200 * Can only be called on a previously opened RC channel. 4201 */ 4202 ibt_status_t 4203 ibt_set_alt_path(ibt_channel_hdl_t channel, ibt_execution_mode_t mode, 4204 ibt_alt_path_info_t *alt_path, void *priv_data, 4205 ibt_priv_data_len_t priv_data_len, ibt_ap_returns_t *ret_args) 4206 { 4207 ibmf_handle_t ibmf_hdl; 4208 ibt_status_t status = IBT_SUCCESS; 4209 ibcm_lap_msg_t *lap_msgp; 4210 ibcm_hca_info_t *hcap; 4211 ibcm_state_data_t *statep; 4212 uint8_t port_no; 4213 ib_lid_t alternate_slid; 4214 ibt_priv_data_len_t len; 4215 ib_lid_t base_lid; 4216 boolean_t alt_grh; 4217 4218 IBTF_DPRINTF_L3(cmlog, "ibt_set_alt_path(%p, %x, %p, %p, %x, %p)", 4219 channel, mode, alt_path, priv_data, priv_data_len, ret_args); 4220 4221 /* validate channel */ 4222 if (IBCM_INVALID_CHANNEL(channel)) { 4223 IBTF_DPRINTF_L2(cmlog, "ibt_set_alt_path: invalid channel"); 4224 return (IBT_CHAN_HDL_INVALID); 4225 } 4226 4227 if (ibtl_cm_get_chan_type(channel) != IBT_RC_SRV) { 4228 IBTF_DPRINTF_L2(cmlog, "ibt_set_alt_path: " 4229 "Invalid Channel type: Applicable only to RC Channel"); 4230 return (IBT_CHAN_SRV_TYPE_INVALID); 4231 } 4232 4233 if (mode == IBT_NONBLOCKING) { 4234 if (ret_args != NULL) { 4235 IBTF_DPRINTF_L2(cmlog, "ibt_set_alt_path: " 4236 "ret_args should be NULL when called in " 4237 "non-blocking mode"); 4238 return (IBT_INVALID_PARAM); 4239 } 4240 } else if (mode == IBT_BLOCKING) { 4241 if (ret_args == NULL) { 4242 IBTF_DPRINTF_L2(cmlog, "ibt_set_alt_path: " 4243 "ret_args should be Non-NULL when called in " 4244 "blocking mode"); 4245 return (IBT_INVALID_PARAM); 4246 } 4247 if (ret_args->ap_priv_data_len > IBT_APR_PRIV_DATA_SZ) { 4248 IBTF_DPRINTF_L2(cmlog, "ibt_set_alt_path: " 4249 "expected private data length is too large"); 4250 return (IBT_INVALID_PARAM); 4251 } 4252 if ((ret_args->ap_priv_data_len > 0) && 4253 (ret_args->ap_priv_data == NULL)) { 4254 IBTF_DPRINTF_L2(cmlog, "ibt_set_alt_path: " 4255 "apr_priv_data_len > 0, but apr_priv_data NULL"); 4256 return (IBT_INVALID_PARAM); 4257 } 4258 } else { /* any other mode is not valid for ibt_set_alt_path */ 4259 IBTF_DPRINTF_L2(cmlog, "ibt_set_alt_path: " 4260 "invalid mode %x specified", mode); 4261 return (IBT_INVALID_PARAM); 4262 } 4263 4264 if ((port_no = alt_path->ap_alt_cep_path.cep_hca_port_num) == 0) 4265 return (IBT_INVALID_PARAM); 4266 4267 /* get the statep */ 4268 IBCM_GET_CHAN_PRIVATE(channel, statep); 4269 if (statep == NULL) { 4270 IBTF_DPRINTF_L2(cmlog, "ibt_set_alt_path: statep NULL"); 4271 return (IBT_CM_FAILURE); 4272 } 4273 4274 mutex_enter(&statep->state_mutex); 4275 IBCM_RELEASE_CHAN_PRIVATE(channel); 4276 IBCM_REF_CNT_INCR(statep); 4277 mutex_exit(&statep->state_mutex); 4278 4279 IBTF_DPRINTF_L4(cmlog, "ibt_set_alt_path: statep %p", statep); 4280 4281 hcap = statep->hcap; 4282 4283 /* HCA must have been in active state. If not, it's a client bug */ 4284 if (!IBCM_ACCESS_HCA_OK(hcap)) 4285 IBTF_DPRINTF_L2(cmlog, "ibt_set_alt_path: hca in error state"); 4286 4287 ASSERT(statep->cm_handler != NULL); 4288 4289 /* Check Alternate port */ 4290 status = ibt_get_port_state_byguid(hcap->hca_guid, port_no, NULL, 4291 &base_lid); 4292 if (status != IBT_SUCCESS) { 4293 IBTF_DPRINTF_L2(cmlog, "ibt_set_alt_path: " 4294 "ibt_get_port_state_byguid status %d ", status); 4295 mutex_enter(&statep->state_mutex); 4296 IBCM_REF_CNT_DECR(statep); 4297 mutex_exit(&statep->state_mutex); 4298 return (status); 4299 } 4300 4301 if ((hcap->hca_port_info[port_no - 1].port_ibmf_hdl == NULL) && 4302 ((status = ibcm_hca_reinit_port(hcap, port_no - 1)) 4303 != IBT_SUCCESS)) { 4304 IBTF_DPRINTF_L2(cmlog, "ibt_set_alt_path: " 4305 "ibmf reg or callback setup failed during re-initialize"); 4306 mutex_enter(&statep->state_mutex); 4307 IBCM_REF_CNT_DECR(statep); 4308 mutex_exit(&statep->state_mutex); 4309 return (status); 4310 } 4311 4312 ibmf_hdl = statep->stored_reply_addr.ibmf_hdl; 4313 4314 alternate_slid = base_lid + 4315 alt_path->ap_alt_cep_path.cep_adds_vect.av_src_path; 4316 4317 IBTF_DPRINTF_L4(cmlog, "ibt_set_alt_path: alternate SLID = %x", 4318 h2b16(alternate_slid)); 4319 4320 ibcm_lapr_enter(); /* limit how many run simultaneously */ 4321 4322 /* Allocate MAD for LAP */ 4323 if (statep->lapr_msg == NULL) 4324 if ((status = ibcm_alloc_out_msg(ibmf_hdl, &statep->lapr_msg, 4325 MAD_METHOD_SEND)) != IBT_SUCCESS) { 4326 ibcm_lapr_exit(); 4327 IBTF_DPRINTF_L2(cmlog, "ibt_set_alt_path: " 4328 "chan 0x%p ibcm_alloc_out_msg failed", channel); 4329 mutex_enter(&statep->state_mutex); 4330 IBCM_REF_CNT_DECR(statep); 4331 mutex_exit(&statep->state_mutex); 4332 return (status); 4333 } 4334 4335 mutex_enter(&statep->state_mutex); 4336 4337 IBTF_DPRINTF_L4(cmlog, "ibt_set_alt_path: connection state is" 4338 " %x", statep->state); 4339 4340 /* Check state */ 4341 if ((statep->state != IBCM_STATE_ESTABLISHED) || 4342 (statep->ap_state != IBCM_AP_STATE_IDLE)) { 4343 IBCM_REF_CNT_DECR(statep); 4344 mutex_exit(&statep->state_mutex); 4345 (void) ibcm_free_out_msg(ibmf_hdl, &statep->lapr_msg); 4346 ibcm_lapr_exit(); 4347 return (IBT_CHAN_STATE_INVALID); 4348 } else { 4349 /* Set to LAP Sent state */ 4350 statep->ap_state = IBCM_AP_STATE_LAP_SENT; 4351 statep->ap_done = B_FALSE; 4352 statep->remaining_retry_cnt = statep->max_cm_retries; 4353 statep->timer_stored_state = statep->state; 4354 statep->timer_stored_ap_state = statep->ap_state; 4355 IBCM_REF_CNT_INCR(statep); /* for ibcm_post_lap_complete */ 4356 } 4357 4358 mutex_exit(&statep->state_mutex); 4359 4360 /* No more failure returns below */ 4361 4362 /* Allocate MAD for LAP */ 4363 IBTF_DPRINTF_L5(cmlog, "ibt_set_alt_path:" 4364 " statep's mad addr = 0x%p", IBCM_OUT_HDRP(statep->lapr_msg)); 4365 4366 _NOTE(NOW_INVISIBLE_TO_OTHER_THREADS(*lap_msgp)) 4367 4368 lap_msgp = (ibcm_lap_msg_t *)IBCM_OUT_MSGP(statep->lapr_msg); 4369 4370 lap_msgp->lap_alt_l_port_lid = h2b16(alternate_slid); 4371 lap_msgp->lap_alt_r_port_lid = 4372 h2b16(alt_path->ap_alt_cep_path.cep_adds_vect.av_dlid); 4373 4374 /* Fill in remote port gid */ 4375 lap_msgp->lap_alt_r_port_gid.gid_prefix = 4376 h2b64(alt_path->ap_alt_cep_path.cep_adds_vect.av_dgid.gid_prefix); 4377 lap_msgp->lap_alt_r_port_gid.gid_guid = 4378 h2b64(alt_path->ap_alt_cep_path.cep_adds_vect.av_dgid.gid_guid); 4379 4380 /* Fill in local port gid */ 4381 lap_msgp->lap_alt_l_port_gid.gid_prefix = 4382 h2b64(alt_path->ap_alt_cep_path.cep_adds_vect.av_sgid.gid_prefix); 4383 lap_msgp->lap_alt_l_port_gid.gid_guid = 4384 h2b64(alt_path->ap_alt_cep_path.cep_adds_vect.av_sgid.gid_guid); 4385 4386 alt_grh = alt_path->ap_alt_cep_path.cep_adds_vect.av_send_grh; 4387 4388 /* alternate_flow_label, and alternate srate, alternate traffic class */ 4389 lap_msgp->lap_alt_srate_plus = 4390 alt_path->ap_alt_cep_path.cep_adds_vect.av_srate & 0x3f; 4391 lap_msgp->lap_alt_flow_label_plus = h2b32(((alt_grh == B_TRUE) ? 4392 (alt_path->ap_alt_cep_path.cep_adds_vect.av_flow << 12) : 0) | 4393 alt_path->ap_alt_cep_path.cep_adds_vect.av_tclass); 4394 4395 /* Alternate hop limit, service level */ 4396 lap_msgp->lap_alt_hop_limit = (alt_grh == B_TRUE) ? 4397 alt_path->ap_alt_cep_path.cep_adds_vect.av_hop : 1; 4398 lap_msgp->lap_alt_sl_plus = 4399 alt_path->ap_alt_cep_path.cep_adds_vect.av_srvl << 4 | 4400 ((alt_grh == B_FALSE) ? 0x8 : 0); 4401 4402 lap_msgp->lap_alt_local_acktime_plus = ibt_usec2ib( 4403 (2 * statep->rc_alt_pkt_lt) + 4404 ibt_ib2usec(hcap->hca_ack_delay)) << 3; 4405 4406 lap_msgp->lap_local_comm_id = h2b32(statep->local_comid); 4407 lap_msgp->lap_remote_comm_id = h2b32(statep->remote_comid); 4408 4409 lap_msgp->lap_remote_qpn_eecn_plus = 4410 h2b32((statep->remote_qpn << 8) | 4411 ibt_usec2ib(ibcm_remote_response_time) << 3); 4412 4413 len = min(priv_data_len, IBT_LAP_PRIV_DATA_SZ); 4414 if ((len > 0) && priv_data) { 4415 bcopy(priv_data, lap_msgp->lap_private_data, len); 4416 } 4417 4418 /* only rc_alt_pkt_lt and ap_return_data fields are initialized */ 4419 _NOTE(NOW_INVISIBLE_TO_OTHER_THREADS(*statep)) 4420 4421 statep->rc_alt_pkt_lt = ibt_ib2usec(alt_path->ap_alt_pkt_lt); 4422 4423 /* return_data is filled up in the state machine code */ 4424 statep->ap_return_data = ret_args; 4425 4426 _NOTE(NOW_VISIBLE_TO_OTHER_THREADS(*statep)) 4427 4428 IBCM_OUT_HDRP(statep->lapr_msg)->AttributeID = 4429 h2b16(IBCM_INCOMING_LAP + IBCM_ATTR_BASE_ID); 4430 4431 IBCM_OUT_HDRP(statep->lapr_msg)->TransactionID = 4432 h2b64(ibcm_generate_tranid(IBCM_INCOMING_LAP, statep->local_comid, 4433 0)); 4434 IBTF_DPRINTF_L3(cmlog, "ibt_set_alt_path: statep %p, tid %llx", 4435 statep, IBCM_OUT_HDRP(statep->lapr_msg)->TransactionID); 4436 4437 _NOTE(NOW_VISIBLE_TO_OTHER_THREADS(*lap_msgp)) 4438 4439 /* Send LAP */ 4440 ibcm_post_rc_mad(statep, statep->lapr_msg, ibcm_post_lap_complete, 4441 statep); 4442 4443 mutex_enter(&statep->state_mutex); 4444 4445 if (mode == IBT_BLOCKING) { 4446 IBTF_DPRINTF_L4(cmlog, "ibt_set_alt_path: blocking"); 4447 4448 /* wait for APR */ 4449 while (statep->ap_done != B_TRUE) { 4450 cv_wait(&statep->block_client_cv, 4451 &statep->state_mutex); 4452 } 4453 4454 IBTF_DPRINTF_L4(cmlog, "ibt_set_alt_path: done blocking"); 4455 4456 /* 4457 * In the case that ibt_set_alt_path fails, 4458 * change retval to IBT_CM_FAILURE 4459 */ 4460 if (statep->ap_return_data->ap_status != IBT_CM_AP_LOADED) 4461 status = IBT_CM_FAILURE; 4462 4463 } 4464 4465 /* decrement the ref-count before leaving here */ 4466 IBCM_REF_CNT_DECR(statep); 4467 4468 mutex_exit(&statep->state_mutex); 4469 4470 ibcm_lapr_exit(); 4471 4472 /* If this message isn't seen then ibt_set_alt_path failed */ 4473 IBTF_DPRINTF_L4(cmlog, "ibt_set_alt_path: done"); 4474 4475 return (status); 4476 } 4477 4478 4479 #ifdef DEBUG 4480 4481 /* 4482 * ibcm_query_classport_info: 4483 * Query classportinfo 4484 * 4485 * INPUTS: 4486 * channel - Channel that is associated with a statep 4487 * 4488 * RETURN VALUE: NONE 4489 * This function is currently used to generate a valid get method classport 4490 * info, and test CM functionality. There is no ibtl client interface to 4491 * generate a classportinfo. It is possible that CM may use classportinfo 4492 * from other nodes in the future, and most of the code below could be re-used. 4493 */ 4494 void 4495 ibcm_query_classport_info(ibt_channel_hdl_t channel) 4496 { 4497 ibcm_state_data_t *statep; 4498 ibmf_msg_t *msgp; 4499 4500 IBTF_DPRINTF_L3(cmlog, "ibcm_query_classport_info(%p)", channel); 4501 4502 /* validate channel, first */ 4503 if (IBCM_INVALID_CHANNEL(channel)) { 4504 IBTF_DPRINTF_L2(cmlog, "ibcm_query_classport_info: " 4505 "invalid channel (%p)", channel); 4506 return; 4507 } 4508 4509 /* get the statep */ 4510 IBCM_GET_CHAN_PRIVATE(channel, statep); 4511 4512 /* 4513 * This can happen, if the statep is already gone by a DREQ from 4514 * the remote side 4515 */ 4516 if (statep == NULL) { 4517 IBTF_DPRINTF_L2(cmlog, "ibcm_query_classport_info: " 4518 "statep NULL"); 4519 return; 4520 } 4521 4522 mutex_enter(&statep->state_mutex); 4523 IBCM_RELEASE_CHAN_PRIVATE(channel); 4524 IBCM_REF_CNT_INCR(statep); 4525 mutex_exit(&statep->state_mutex); 4526 4527 /* Debug/test code, so don't care about return status */ 4528 (void) ibcm_alloc_out_msg(statep->stored_reply_addr.ibmf_hdl, &msgp, 4529 MAD_METHOD_GET); 4530 4531 IBCM_OUT_HDRP(msgp)->TransactionID = h2b64(ibcm_generate_tranid( 4532 MAD_ATTR_ID_CLASSPORTINFO, statep->local_comid, 0)); 4533 IBCM_OUT_HDRP(msgp)->AttributeID = h2b16(MAD_ATTR_ID_CLASSPORTINFO); 4534 4535 (void) ibcm_post_mad(msgp, &statep->stored_reply_addr, NULL, NULL); 4536 4537 IBTF_DPRINTF_L3(cmlog, "ibcm_query_classport_info(%p) " 4538 "Get method MAD posted ", channel); 4539 4540 (void) ibcm_free_out_msg(statep->stored_reply_addr.ibmf_hdl, &msgp); 4541 4542 mutex_enter(&statep->state_mutex); 4543 IBCM_REF_CNT_DECR(statep); 4544 mutex_exit(&statep->state_mutex); 4545 } 4546 4547 static void 4548 ibcm_print_reply_addr(ibt_channel_hdl_t channel, ibcm_mad_addr_t *cm_reply_addr) 4549 { 4550 IBTF_DPRINTF_L4(cmlog, "ibcm_print_reply_addr: chan 0x%p, SLID %x, " 4551 "DLID %x", channel, cm_reply_addr->rcvd_addr.ia_local_lid, 4552 cm_reply_addr->rcvd_addr.ia_remote_lid); 4553 4554 IBTF_DPRINTF_L4(cmlog, "ibcm_print_reply_addr: QKEY %x, PKEY %x, " 4555 "RQPN %x SL %x", cm_reply_addr->rcvd_addr.ia_q_key, 4556 cm_reply_addr->rcvd_addr.ia_p_key, 4557 cm_reply_addr->rcvd_addr.ia_remote_qno, 4558 cm_reply_addr->rcvd_addr.ia_service_level); 4559 4560 IBTF_DPRINTF_L4(cmlog, "ibcm_print_reply_addr: CM SGID %llX:%llX ", 4561 cm_reply_addr->grh_hdr.ig_sender_gid.gid_prefix, 4562 cm_reply_addr->grh_hdr.ig_sender_gid.gid_guid); 4563 4564 IBTF_DPRINTF_L4(cmlog, "ibcm_print_reply_addr: CM DGID %llX:%llX", 4565 cm_reply_addr->grh_hdr.ig_recver_gid.gid_prefix, 4566 cm_reply_addr->grh_hdr.ig_recver_gid.gid_guid); 4567 4568 IBTF_DPRINTF_L4(cmlog, "ibcm_print_reply_addr: CM FL %x TC %x HL %x", 4569 cm_reply_addr->grh_hdr.ig_flow_label, 4570 cm_reply_addr->grh_hdr.ig_tclass, 4571 cm_reply_addr->grh_hdr.ig_hop_limit); 4572 } 4573 4574 #endif 4575 4576 typedef struct ibcm_join_mcg_tqarg_s { 4577 ib_gid_t rgid; 4578 ibt_mcg_attr_t mcg_attr; 4579 ibt_mcg_info_t *mcg_infop; 4580 ibt_mcg_handler_t func; 4581 void *arg; 4582 } ibcm_join_mcg_tqarg_t; 4583 4584 _NOTE(READ_ONLY_DATA(ibcm_join_mcg_tqarg_s)) 4585 4586 /* 4587 * Function: 4588 * ibt_join_mcg 4589 * Input: 4590 * rgid The request GID that defines the HCA port from which a 4591 * contact to SA Access is performed to add the specified 4592 * endport GID ((mcg_attr->mc_pgid) to a multicast group. 4593 * If mcg_attr->mc_pgid is null, then this (rgid) will be 4594 * treated as endport GID that is to be added to the 4595 * multicast group. 4596 * 4597 * mcg_attr A pointer to an ibt_mcg_attr_t structure that defines 4598 * the attributes of the desired multicast group to be 4599 * created or joined. 4600 * 4601 * func NULL or a pointer to a function to call when 4602 * ibt_join_mcg() completes. If 'func' is not NULL then 4603 * ibt_join_mcg() will return as soon as possible after 4604 * initiating the multicast group join/create process. 4605 * 'func' is then called when the process completes. 4606 * 4607 * arg Argument to the 'func'. 4608 * 4609 * Output: 4610 * mcg_info_p A pointer to the ibt_mcg_info_t structure, allocated 4611 * by the caller, where the attributes of the created or 4612 * joined multicast group are copied. 4613 * Returns: 4614 * IBT_SUCCESS 4615 * IBT_INVALID_PARAM 4616 * IBT_MCG_RECORDS_NOT_FOUND 4617 * IBT_INSUFF_RESOURCE 4618 * Description: 4619 * Join a multicast group. The first full member "join" causes the MCG 4620 * to be created. 4621 */ 4622 ibt_status_t 4623 ibt_join_mcg(ib_gid_t rgid, ibt_mcg_attr_t *mcg_attr, 4624 ibt_mcg_info_t *mcg_info_p, ibt_mcg_handler_t func, void *arg) 4625 { 4626 ibcm_join_mcg_tqarg_t *mcg_tq; 4627 int flag = ((func == NULL) ? KM_SLEEP : KM_NOSLEEP); 4628 4629 IBTF_DPRINTF_L3(cmlog, "ibt_join_mcg(%llX:%llX, %p)", rgid.gid_prefix, 4630 rgid.gid_guid, mcg_attr); 4631 4632 if ((rgid.gid_prefix == 0) || (rgid.gid_guid == 0)) { 4633 IBTF_DPRINTF_L2(cmlog, "ibt_join_mcg: Request GID is required"); 4634 return (IBT_INVALID_PARAM); 4635 } 4636 4637 if ((mcg_attr->mc_pkey == IB_PKEY_INVALID_LIMITED) || 4638 (mcg_attr->mc_pkey == IB_PKEY_INVALID_FULL)) { 4639 IBTF_DPRINTF_L2(cmlog, "ibt_join_mcg: Invalid P_Key specified"); 4640 return (IBT_INVALID_PARAM); 4641 } 4642 4643 if (mcg_attr->mc_join_state == 0) { 4644 IBTF_DPRINTF_L2(cmlog, "ibt_join_mcg: JoinState not specified"); 4645 return (IBT_INVALID_PARAM); 4646 } 4647 4648 if (mcg_info_p == NULL) { 4649 IBTF_DPRINTF_L2(cmlog, "ibt_join_mcg: mcg_info_p is NULL"); 4650 return (IBT_INVALID_PARAM); 4651 } 4652 4653 _NOTE(NOW_INVISIBLE_TO_OTHER_THREADS(*mcg_tq)) 4654 4655 mcg_tq = kmem_alloc(sizeof (ibcm_join_mcg_tqarg_t), flag); 4656 if (mcg_tq == NULL) { 4657 IBTF_DPRINTF_L2(cmlog, "ibt_join_mcg: " 4658 "Unable to allocate memory for local usage."); 4659 return (IBT_INSUFF_KERNEL_RESOURCE); 4660 } 4661 4662 mcg_tq->rgid = rgid; 4663 bcopy(mcg_attr, &mcg_tq->mcg_attr, sizeof (ibt_mcg_attr_t)); 4664 mcg_tq->mcg_infop = mcg_info_p; 4665 mcg_tq->func = func; 4666 mcg_tq->arg = arg; 4667 4668 _NOTE(NOW_VISIBLE_TO_OTHER_THREADS(*mcg_tq)) 4669 4670 if (func != NULL) { /* Non-Blocking */ 4671 IBTF_DPRINTF_L3(cmlog, "ibt_join_mcg: Non-Blocking Call"); 4672 if (taskq_dispatch(ibcm_taskq, ibcm_process_async_join_mcg, 4673 mcg_tq, TQ_NOSLEEP) == 0) { 4674 IBTF_DPRINTF_L2(cmlog, "ibt_join_mcg: Failed to " 4675 "Dispatch the TaskQ"); 4676 kmem_free(mcg_tq, sizeof (ibcm_join_mcg_tqarg_t)); 4677 return (IBT_INSUFF_KERNEL_RESOURCE); 4678 } else 4679 return (IBT_SUCCESS); 4680 } else { /* Blocking */ 4681 return (ibcm_process_join_mcg(mcg_tq)); 4682 } 4683 } 4684 4685 static void 4686 ibcm_process_async_join_mcg(void *tq_arg) 4687 { 4688 (void) ibcm_process_join_mcg(tq_arg); 4689 } 4690 4691 static ibt_status_t 4692 ibcm_process_join_mcg(void *taskq_arg) 4693 { 4694 sa_mcmember_record_t mcg_req; 4695 sa_mcmember_record_t *mcg_resp; 4696 ibmf_saa_access_args_t access_args; 4697 ibmf_saa_handle_t saa_handle; 4698 uint64_t component_mask = 0; 4699 ibt_status_t retval; 4700 ibtl_cm_hca_port_t hca_port; 4701 uint_t num_records; 4702 size_t length; 4703 ibcm_hca_info_t *hcap; 4704 ibcm_join_mcg_tqarg_t *mcg_arg = (ibcm_join_mcg_tqarg_t *)taskq_arg; 4705 ibt_mcg_info_t *mcg_info_p = mcg_arg->mcg_infop; 4706 4707 IBTF_DPRINTF_L3(cmlog, "ibcm_process_join_mcg(%p)", mcg_arg); 4708 4709 retval = ibtl_cm_get_hca_port(mcg_arg->rgid, 0, &hca_port); 4710 if (retval != IBT_SUCCESS) { 4711 IBTF_DPRINTF_L2(cmlog, "ibcm_process_join_mcg: Failed to get " 4712 "port info from specified RGID: status = %d", retval); 4713 goto ibcm_join_mcg_exit1; 4714 } 4715 4716 bzero(&mcg_req, sizeof (sa_mcmember_record_t)); 4717 4718 if ((mcg_arg->mcg_attr.mc_pgid.gid_prefix == 0) || 4719 (mcg_arg->mcg_attr.mc_pgid.gid_guid == 0)) { 4720 IBTF_DPRINTF_L3(cmlog, "ibcm_process_join_mcg: " 4721 "Request GID is Port GID"); 4722 mcg_req.PortGID = mcg_arg->rgid; 4723 } else { 4724 mcg_req.PortGID = mcg_arg->mcg_attr.mc_pgid; 4725 } 4726 component_mask |= SA_MC_COMPMASK_PORTGID; 4727 4728 mcg_req.Q_Key = mcg_arg->mcg_attr.mc_qkey; 4729 mcg_req.P_Key = mcg_arg->mcg_attr.mc_pkey; 4730 mcg_req.JoinState = mcg_arg->mcg_attr.mc_join_state; 4731 mcg_req.TClass = mcg_arg->mcg_attr.mc_tclass; 4732 mcg_req.FlowLabel = mcg_arg->mcg_attr.mc_flow; 4733 mcg_req.SL = mcg_arg->mcg_attr.mc_sl; 4734 4735 component_mask |= SA_MC_COMPMASK_QKEY | SA_MC_COMPMASK_PKEY | 4736 SA_MC_COMPMASK_JOINSTATE | SA_MC_COMPMASK_TCLASS | 4737 SA_MC_COMPMASK_FLOWLABEL | SA_MC_COMPMASK_SL; 4738 4739 /* If client has specified MGID, use it else SA will assign one. */ 4740 if ((mcg_arg->mcg_attr.mc_mgid.gid_prefix >> 56ULL & 0xFF) == 0xFF) { 4741 mcg_req.MGID = mcg_arg->mcg_attr.mc_mgid; 4742 component_mask |= SA_MC_COMPMASK_MGID; 4743 } 4744 4745 IBTF_DPRINTF_L3(cmlog, "ibcm_process_join_mcg: "); 4746 IBTF_DPRINTF_L3(cmlog, "PGID=%016llX:%016llX, ", 4747 mcg_req.PortGID.gid_prefix, mcg_req.PortGID.gid_guid); 4748 IBTF_DPRINTF_L3(cmlog, "MGID=%016llX:%016llX", 4749 mcg_req.MGID.gid_prefix, mcg_req.MGID.gid_guid); 4750 IBTF_DPRINTF_L3(cmlog, "JoinState = %X", 4751 mcg_arg->mcg_attr.mc_join_state); 4752 IBTF_DPRINTF_L5(cmlog, "QKey %lX, PKey %lX", 4753 mcg_arg->mcg_attr.mc_qkey, mcg_arg->mcg_attr.mc_pkey); 4754 IBTF_DPRINTF_L5(cmlog, "Scope %X, MLID %X", 4755 mcg_arg->mcg_attr.mc_scope, mcg_arg->mcg_attr.mc_mlid); 4756 4757 /* Is MTU specified. */ 4758 if (mcg_arg->mcg_attr.mc_mtu_req.r_mtu) { 4759 mcg_req.MTU = mcg_arg->mcg_attr.mc_mtu_req.r_mtu; 4760 mcg_req.MTUSelector = mcg_arg->mcg_attr.mc_mtu_req.r_selector; 4761 4762 component_mask |= SA_MC_COMPMASK_MTUSELECTOR | 4763 SA_MC_COMPMASK_MTU; 4764 } 4765 4766 /* Is RATE specified. */ 4767 if (mcg_arg->mcg_attr.mc_rate_req.r_srate) { 4768 mcg_req.Rate = mcg_arg->mcg_attr.mc_rate_req.r_srate; 4769 mcg_req.RateSelector = 4770 mcg_arg->mcg_attr.mc_rate_req.r_selector; 4771 4772 component_mask |= SA_MC_COMPMASK_RATESELECTOR | 4773 SA_MC_COMPMASK_RATE; 4774 } 4775 4776 /* Is Packet Life Time specified. */ 4777 if (mcg_arg->mcg_attr.mc_pkt_lt_req.p_pkt_lt) { 4778 mcg_req.Rate = mcg_arg->mcg_attr.mc_pkt_lt_req.p_pkt_lt; 4779 mcg_req.RateSelector = 4780 mcg_arg->mcg_attr.mc_pkt_lt_req.p_selector; 4781 4782 component_mask |= SA_MC_COMPMASK_PKTLTSELECTOR | 4783 SA_MC_COMPMASK_PKTLT; 4784 } 4785 4786 if (mcg_arg->mcg_attr.mc_hop) { 4787 mcg_req.HopLimit = mcg_arg->mcg_attr.mc_hop; 4788 component_mask |= SA_MC_COMPMASK_HOPLIMIT; 4789 } 4790 4791 if (mcg_arg->mcg_attr.mc_scope) { 4792 mcg_req.Scope = mcg_arg->mcg_attr.mc_scope; 4793 component_mask |= SA_MC_COMPMASK_SCOPE; 4794 } 4795 4796 if (mcg_arg->mcg_attr.mc_mlid) { 4797 mcg_req.MLID = mcg_arg->mcg_attr.mc_mlid; 4798 component_mask |= SA_MC_COMPMASK_MLID; 4799 } 4800 4801 /* Get SA Access Handle. */ 4802 hcap = ibcm_find_hca_entry(hca_port.hp_hca_guid); 4803 if (hcap == NULL) { 4804 IBTF_DPRINTF_L2(cmlog, "ibcm_process_join_mcg: NO HCA found"); 4805 4806 retval = IBT_HCA_BUSY_DETACHING; 4807 goto ibcm_join_mcg_exit1; 4808 } 4809 4810 saa_handle = ibcm_get_saa_handle(hcap, hca_port.hp_port); 4811 if (saa_handle == NULL) { 4812 IBTF_DPRINTF_L2(cmlog, "ibcm_process_join_mcg: SA Handle NULL"); 4813 4814 retval = IBT_HCA_PORT_NOT_ACTIVE; 4815 goto ibcm_join_mcg_exit; 4816 } 4817 4818 if ((mcg_arg->mcg_attr.mc_pgid.gid_prefix != 0) && 4819 (mcg_arg->mcg_attr.mc_pgid.gid_guid != 0)) { 4820 retval = ibtl_cm_get_hca_port(mcg_arg->mcg_attr.mc_pgid, 0, 4821 &hca_port); 4822 if (retval != IBT_SUCCESS) { 4823 IBTF_DPRINTF_L2(cmlog, "ibcm_process_join_mcg: Failed " 4824 "to get PortInfo of specified PGID: status = %d", 4825 retval); 4826 goto ibcm_join_mcg_exit1; 4827 } 4828 } 4829 4830 /* Contact SA Access */ 4831 access_args.sq_attr_id = SA_MCMEMBERRECORD_ATTRID; 4832 access_args.sq_access_type = IBMF_SAA_UPDATE; 4833 access_args.sq_component_mask = component_mask; 4834 access_args.sq_template = &mcg_req; 4835 access_args.sq_template_length = sizeof (sa_mcmember_record_t); 4836 access_args.sq_callback = NULL; 4837 access_args.sq_callback_arg = NULL; 4838 4839 retval = ibcm_contact_sa_access(saa_handle, &access_args, &length, 4840 (void **)&mcg_resp); 4841 if (retval != IBT_SUCCESS) { 4842 IBTF_DPRINTF_L2(cmlog, "ibcm_process_join_mcg: " 4843 "SA Access Failed"); 4844 goto ibcm_join_mcg_exit; 4845 } 4846 4847 num_records = length/sizeof (sa_mcmember_record_t); 4848 4849 IBTF_DPRINTF_L4(cmlog, "ibcm_process_join_mcg: " 4850 "Found %d MCMember Records", num_records); 4851 4852 /* Validate the returned number of records. */ 4853 if ((mcg_resp != NULL) && (num_records > 0)) { 4854 /* Update the return values. */ 4855 mcg_info_p->mc_adds_vect.av_dgid = mcg_resp->MGID; 4856 mcg_info_p->mc_adds_vect.av_sgid = mcg_resp->PortGID; 4857 mcg_info_p->mc_adds_vect.av_srate = mcg_resp->Rate; 4858 mcg_info_p->mc_adds_vect.av_srvl = mcg_resp->SL; 4859 mcg_info_p->mc_adds_vect.av_flow = mcg_resp->FlowLabel; 4860 mcg_info_p->mc_adds_vect.av_tclass = mcg_resp->TClass; 4861 mcg_info_p->mc_adds_vect.av_hop = mcg_resp->HopLimit; 4862 mcg_info_p->mc_adds_vect.av_send_grh = B_TRUE; 4863 mcg_info_p->mc_adds_vect.av_dlid = mcg_resp->MLID; 4864 mcg_info_p->mc_mtu = mcg_resp->MTU; 4865 mcg_info_p->mc_qkey = mcg_resp->Q_Key; 4866 4867 retval = ibt_pkey2index_byguid(hca_port.hp_hca_guid, 4868 hca_port.hp_port, mcg_resp->P_Key, &mcg_info_p->mc_pkey_ix); 4869 if (retval != IBT_SUCCESS) { 4870 IBTF_DPRINTF_L3(cmlog, "ibcm_process_join_mcg: " 4871 "Pkey2Index Conversion failed<%d>", retval); 4872 mcg_info_p->mc_pkey_ix = 0; 4873 } 4874 4875 mcg_info_p->mc_scope = mcg_resp->Scope; 4876 mcg_info_p->mc_pkt_lt = mcg_resp->PacketLifeTime; 4877 4878 mcg_info_p->mc_adds_vect.av_port_num = hca_port.hp_port; 4879 mcg_info_p->mc_adds_vect.av_sgid_ix = hca_port.hp_sgid_ix; 4880 mcg_info_p->mc_adds_vect.av_src_path = 0; 4881 4882 /* Deallocate the memory allocated by SA for mcg_resp. */ 4883 kmem_free(mcg_resp, length); 4884 retval = IBT_SUCCESS; 4885 } else { 4886 retval = IBT_MCG_RECORDS_NOT_FOUND; 4887 IBTF_DPRINTF_L3(cmlog, "ibcm_process_join_mcg: " 4888 "MCG RECORDS NOT FOUND"); 4889 } 4890 4891 ibcm_join_mcg_exit: 4892 ibcm_dec_hca_acc_cnt(hcap); 4893 4894 ibcm_join_mcg_exit1: 4895 if (mcg_arg->func) 4896 (*(mcg_arg->func))(mcg_arg->arg, retval, mcg_info_p); 4897 4898 kmem_free(mcg_arg, sizeof (ibcm_join_mcg_tqarg_t)); 4899 4900 return (retval); 4901 } 4902 4903 4904 /* 4905 * Function: 4906 * ibt_leave_mcg 4907 * Input: 4908 * rgid The request GID that defines the HCA port upon which 4909 * to send the request to the Subnet Administrator, to 4910 * remove the specified port (port_gid) from the multicast 4911 * group. If 'port_gid' is the Reserved GID (i.e. 4912 * port_gid.gid_prefix = 0 and port_gid.gid_guid = 0), 4913 * then the end-port associated with 'rgid' is removed 4914 * from the multicast group. 4915 * 4916 * mc_gid A multicast group GID as returned from ibt_join_mcg() 4917 * call. This is optional, if not specified (i.e. 4918 * mc_gid.gid_prefix has 0xFF in its upper 8 bits to 4919 * identify this as being a multicast GID), then the 4920 * port is removed from all the multicast groups of 4921 * which it is a member. 4922 * 4923 * port_gid This is optional, if not the Reserved GID (gid_prefix 4924 * and gid_guid not equal to 0), then this specifies the 4925 * endport GID of the multicast group member being deleted 4926 * from the group. If it is the Reserved GID (gid_prefix 4927 * and gid_guid equal to 0) then the member endport GID is 4928 * determined from 'rgid'. 4929 * 4930 * mc_join_state The Join State attribute used when the group was joined 4931 * using ibt_join_mcg(). This Join State component must 4932 * contains at least one bit set to 1 in the same position 4933 * as that used during ibt_join_mcg(). i.e. the logical 4934 * AND of the two JoinState components is not all zeros. 4935 * This Join State component must not have some bits set 4936 * which are not set using ibt_join_mcg(). 4937 * Output: 4938 * None. 4939 * Returns: 4940 * IBT_SUCCESS 4941 * IBT_INVALID_PARAM 4942 * IBT_MC_GROUP_INVALID 4943 * IBT_INSUFF_RESOURCE 4944 * Description: 4945 * The port associated with the port GID shall be removed from the 4946 * multicast group specified by MGID (mc_gid) or from all the multicast 4947 * groups of which it is a member if the MGID (mc_gid) is not specified. 4948 * 4949 * The last full member to leave causes the destruction of the Multicast 4950 * Group. 4951 */ 4952 ibt_status_t 4953 ibt_leave_mcg(ib_gid_t rgid, ib_gid_t mc_gid, ib_gid_t port_gid, 4954 uint8_t mc_join_state) 4955 { 4956 sa_mcmember_record_t mcg_req; 4957 ibmf_saa_access_args_t access_args; 4958 ibmf_saa_handle_t saa_handle; 4959 uint64_t component_mask = 0; 4960 int sa_retval; 4961 ibt_status_t retval; 4962 ibtl_cm_hca_port_t hca_port; 4963 size_t length; 4964 void *results_p; 4965 ibcm_hca_info_t *hcap; 4966 4967 IBTF_DPRINTF_L3(cmlog, "ibt_leave_mcg(%llX:%llX, %llX:%llX)", 4968 rgid.gid_prefix, rgid.gid_guid, mc_gid.gid_prefix, mc_gid.gid_guid); 4969 4970 IBTF_DPRINTF_L3(cmlog, "ibt_leave_mcg(%llX:%llX, 0x%X)", 4971 port_gid.gid_prefix, port_gid.gid_guid, mc_join_state); 4972 4973 if ((rgid.gid_prefix == 0) || (rgid.gid_guid == 0)) { 4974 IBTF_DPRINTF_L2(cmlog, "ibt_leave_mcg: RequestGID is required"); 4975 return (IBT_INVALID_PARAM); 4976 } 4977 4978 bzero(&mcg_req, sizeof (sa_mcmember_record_t)); 4979 4980 IBTF_DPRINTF_L3(cmlog, "ibt_leave_mcg: MGID: %llX%llX", 4981 mc_gid.gid_prefix, mc_gid.gid_guid); 4982 4983 /* Validate MGID */ 4984 if ((mc_gid.gid_prefix >> 56ULL & 0xFF) == 0xFF) { 4985 mcg_req.MGID = mc_gid; 4986 component_mask |= SA_MC_COMPMASK_MGID; 4987 } else if ((mc_gid.gid_prefix != 0) || (mc_gid.gid_guid != 0)) { 4988 IBTF_DPRINTF_L3(cmlog, "ibt_leave_mcg: Invalid MGID specified"); 4989 return (IBT_MC_MGID_INVALID); 4990 } 4991 4992 if ((port_gid.gid_prefix == 0) || (port_gid.gid_guid == 0)) { 4993 mcg_req.PortGID = rgid; 4994 } else { 4995 IBTF_DPRINTF_L3(cmlog, "ibt_leave_mcg: Performing PROXY Leave"); 4996 mcg_req.PortGID = port_gid; 4997 } 4998 component_mask |= SA_MC_COMPMASK_PORTGID; 4999 5000 IBTF_DPRINTF_L3(cmlog, "ibt_leave_mcg: Port GID <%llX:%llX>", 5001 mcg_req.PortGID.gid_prefix, mcg_req.PortGID.gid_guid); 5002 5003 /* Join State */ 5004 mcg_req.JoinState = mc_join_state; 5005 component_mask |= SA_MC_COMPMASK_JOINSTATE; 5006 5007 retval = ibtl_cm_get_hca_port(rgid, 0, &hca_port); 5008 if (retval != IBT_SUCCESS) { 5009 IBTF_DPRINTF_L2(cmlog, "ibt_leave_mcg: Failed to get port info " 5010 "from specified RGID : status = %d", retval); 5011 return (retval); 5012 } 5013 5014 /* Get SA Access Handle. */ 5015 hcap = ibcm_find_hca_entry(hca_port.hp_hca_guid); 5016 if (hcap == NULL) { 5017 IBTF_DPRINTF_L2(cmlog, "ibt_leave_mcg: " 5018 "NO HCA found"); 5019 return (IBT_HCA_BUSY_DETACHING); 5020 } 5021 5022 saa_handle = ibcm_get_saa_handle(hcap, hca_port.hp_port); 5023 if (saa_handle == NULL) { 5024 IBTF_DPRINTF_L2(cmlog, "ibt_leave_mcg: saa_handle is NULL"); 5025 ibcm_dec_hca_acc_cnt(hcap); 5026 return (IBT_HCA_PORT_NOT_ACTIVE); 5027 } 5028 5029 /* Contact SA Access */ 5030 access_args.sq_attr_id = SA_MCMEMBERRECORD_ATTRID; 5031 access_args.sq_access_type = IBMF_SAA_DELETE; 5032 access_args.sq_component_mask = component_mask; 5033 access_args.sq_template = &mcg_req; 5034 access_args.sq_template_length = sizeof (sa_mcmember_record_t); 5035 access_args.sq_callback = NULL; 5036 access_args.sq_callback_arg = NULL; 5037 5038 ibcm_sa_access_enter(); 5039 5040 sa_retval = ibmf_sa_access(saa_handle, &access_args, 0, &length, 5041 &results_p); 5042 if (sa_retval != IBMF_SUCCESS) { 5043 IBTF_DPRINTF_L2(cmlog, "ibt_leave_mcg: SA access Failed: %d", 5044 sa_retval); 5045 (void) ibcm_ibmf_analyze_error(sa_retval); 5046 retval = IBT_MC_GROUP_INVALID; 5047 } 5048 5049 ibcm_sa_access_exit(); 5050 5051 ibcm_dec_hca_acc_cnt(hcap); 5052 5053 return (retval); 5054 } 5055 5056 5057 /* 5058 * Function: 5059 * ibt_query_mcg 5060 * Input: 5061 * rgid The request GID that defines the HCA port upon which 5062 * to send the request to the Subnet Administrator, to 5063 * retrieve Multicast Records matching attributes as 5064 * specified through 'mcg_attr' argument. 5065 * 5066 * mcg_attr NULL or a pointer to an ibt_mcg_attr_t structure that 5067 * specifies MCG attributes that are to be matched. 5068 * Attributes that are not required can be wild carded 5069 * by specifying as '0'. 5070 * 5071 * mcgs_max_num The maximum number of matching multicast groups to 5072 * return. If zero, then all available matching multicast 5073 * groups are returned. 5074 * Output: 5075 * mcgs_info_p The address of an ibt_mcg_info_t pointer, where 5076 * multicast group information is returned. The actual 5077 * number of entries filled in the array is returned in 5078 * entries_p. 5079 * 5080 * entries_p The number of ibt_mcg_attr_t entries returned. 5081 * Returns: 5082 * IBT_SUCCESS 5083 * IBT_INVALID_PARAM 5084 * IBT_MCG_RECORDS_NOT_FOUND 5085 * Description: 5086 * Request information on multicast groups that match the parameters 5087 * specified in mcg_attr. Information on each multicast group is returned 5088 * to the caller in the form of an array of ibt_mcg_info_t. 5089 * ibt_query_mcg() allocates the memory for this array and returns a 5090 * pointer to the array (mcgs_p) and the number of entries in the array 5091 * (entries_p). This memory should be freed by the client using 5092 * ibt_free_mcg_info(). 5093 */ 5094 ibt_status_t 5095 ibt_query_mcg(ib_gid_t rgid, ibt_mcg_attr_t *mcg_attr, uint_t mcgs_max_num, 5096 ibt_mcg_info_t **mcgs_info_p, uint_t *entries_p) 5097 { 5098 sa_mcmember_record_t mcg_req; 5099 sa_mcmember_record_t *mcg_resp; 5100 ibt_mcg_info_t *mcg_infop; 5101 ibmf_saa_access_args_t access_args; 5102 ibmf_saa_handle_t saa_handle; 5103 uint64_t component_mask = 0; 5104 ibt_status_t retval; 5105 ibtl_cm_hca_port_t hport; 5106 uint_t num_records; 5107 size_t length; 5108 void *results_p; 5109 ib_gid_t port_gid; 5110 ibcm_hca_info_t *hcap; 5111 5112 IBTF_DPRINTF_L3(cmlog, "ibt_query_mcg(%p, %d)", mcg_attr, mcgs_max_num); 5113 5114 if ((entries_p == NULL) || (mcgs_info_p == NULL)) { 5115 IBTF_DPRINTF_L2(cmlog, "ibt_query_mcg: " 5116 "entries_p or mcgs_info_p is NULL"); 5117 return (IBT_INVALID_PARAM); 5118 } 5119 5120 if ((rgid.gid_prefix == 0) || (rgid.gid_guid == 0)) { 5121 IBTF_DPRINTF_L2(cmlog, "ibt_query_mcg: RequestGID is required"); 5122 return (IBT_INVALID_PARAM); 5123 } 5124 IBTF_DPRINTF_L4(cmlog, "ibt_query_mcg: Request GID <%llX:%llX>", 5125 rgid.gid_prefix, rgid.gid_guid); 5126 5127 bzero(&mcg_req, sizeof (sa_mcmember_record_t)); 5128 port_gid.gid_prefix = port_gid.gid_guid = 0; 5129 5130 if (mcg_attr != NULL) { 5131 port_gid = mcg_attr->mc_pgid; 5132 5133 if ((port_gid.gid_prefix != 0) && (port_gid.gid_guid != 0)) { 5134 mcg_req.PortGID = mcg_attr->mc_pgid; 5135 component_mask |= SA_MC_COMPMASK_PORTGID; 5136 5137 IBTF_DPRINTF_L4(cmlog, "ibt_query_mcg: PGID %llX:%llX", 5138 port_gid.gid_prefix, port_gid.gid_guid); 5139 } 5140 5141 /* Is Q_Key specified. */ 5142 if (mcg_attr->mc_qkey != 0) { 5143 mcg_req.Q_Key = mcg_attr->mc_qkey; 5144 component_mask |= SA_MC_COMPMASK_QKEY; 5145 } 5146 5147 /* Is P_Key specified. */ 5148 if (mcg_attr->mc_pkey != 0) { 5149 mcg_req.P_Key = mcg_attr->mc_pkey; 5150 component_mask |= SA_MC_COMPMASK_PKEY; 5151 } 5152 5153 /* Is MGID specified. */ 5154 if ((mcg_attr->mc_mgid.gid_prefix >> 56ULL & 0xFF) == 0xFF) { 5155 mcg_req.MGID = mcg_attr->mc_mgid; 5156 component_mask |= SA_MC_COMPMASK_MGID; 5157 } 5158 5159 /* Is MTU specified. */ 5160 if (mcg_attr->mc_mtu_req.r_mtu) { 5161 mcg_req.MTU = mcg_attr->mc_mtu_req.r_mtu; 5162 mcg_req.MTUSelector = mcg_attr->mc_mtu_req.r_selector; 5163 5164 component_mask |= SA_MC_COMPMASK_MTUSELECTOR | 5165 SA_MC_COMPMASK_MTU; 5166 } 5167 5168 if (mcg_attr->mc_tclass) { 5169 mcg_req.TClass = mcg_attr->mc_tclass; 5170 component_mask |= SA_MC_COMPMASK_TCLASS; 5171 } 5172 5173 /* Is RATE specified. */ 5174 if (mcg_attr->mc_rate_req.r_srate) { 5175 mcg_req.Rate = mcg_attr->mc_rate_req.r_srate; 5176 mcg_req.RateSelector = mcg_attr->mc_rate_req.r_selector; 5177 5178 component_mask |= SA_MC_COMPMASK_RATESELECTOR | 5179 SA_MC_COMPMASK_RATE; 5180 } 5181 5182 /* Is Packet Life Time specified. */ 5183 if (mcg_attr->mc_pkt_lt_req.p_pkt_lt) { 5184 mcg_req.Rate = mcg_attr->mc_pkt_lt_req.p_pkt_lt; 5185 mcg_req.RateSelector = 5186 mcg_attr->mc_pkt_lt_req.p_selector; 5187 5188 component_mask |= SA_MC_COMPMASK_PKTLTSELECTOR | 5189 SA_MC_COMPMASK_PKTLT; 5190 } 5191 5192 if (mcg_attr->mc_hop) { 5193 mcg_req.HopLimit = mcg_attr->mc_hop; 5194 component_mask |= SA_MC_COMPMASK_HOPLIMIT; 5195 } 5196 5197 if (mcg_attr->mc_flow) { 5198 mcg_req.FlowLabel = mcg_attr->mc_flow; 5199 component_mask |= SA_MC_COMPMASK_FLOWLABEL; 5200 } 5201 5202 if (mcg_attr->mc_sl) { 5203 mcg_req.SL = mcg_attr->mc_sl; 5204 component_mask |= SA_MC_COMPMASK_SL; 5205 } 5206 5207 if (mcg_attr->mc_scope) { 5208 mcg_req.Scope = mcg_attr->mc_scope; 5209 component_mask |= SA_MC_COMPMASK_SCOPE; 5210 } 5211 5212 if (mcg_attr->mc_join_state) { 5213 mcg_req.JoinState = mcg_attr->mc_join_state; 5214 component_mask |= SA_MC_COMPMASK_JOINSTATE; 5215 } 5216 5217 if (mcg_attr->mc_mlid) { 5218 mcg_req.MLID = mcg_attr->mc_mlid; 5219 component_mask |= SA_MC_COMPMASK_MLID; 5220 } 5221 } 5222 5223 retval = ibtl_cm_get_hca_port(rgid, 0, &hport); 5224 if (retval != IBT_SUCCESS) { 5225 IBTF_DPRINTF_L2(cmlog, "ibt_query_mcg: Failed to get port info " 5226 "from specified RGID : status = %d", retval); 5227 return (retval); 5228 } 5229 5230 /* Get SA Access Handle. */ 5231 hcap = ibcm_find_hca_entry(hport.hp_hca_guid); 5232 if (hcap == NULL) { 5233 IBTF_DPRINTF_L2(cmlog, "ibt_query_mcg: NO HCA found"); 5234 return (IBT_HCA_BUSY_DETACHING); 5235 } 5236 5237 saa_handle = ibcm_get_saa_handle(hcap, hport.hp_port); 5238 if (saa_handle == NULL) { 5239 IBTF_DPRINTF_L2(cmlog, "ibt_query_mcg: saa_handle is NULL"); 5240 ibcm_dec_hca_acc_cnt(hcap); 5241 return (IBT_HCA_PORT_NOT_ACTIVE); 5242 } 5243 5244 /* Contact SA Access */ 5245 access_args.sq_attr_id = SA_MCMEMBERRECORD_ATTRID; 5246 access_args.sq_access_type = IBMF_SAA_RETRIEVE; 5247 access_args.sq_component_mask = component_mask; 5248 access_args.sq_template = &mcg_req; 5249 access_args.sq_template_length = sizeof (sa_mcmember_record_t); 5250 access_args.sq_callback = NULL; 5251 access_args.sq_callback_arg = NULL; 5252 5253 retval = ibcm_contact_sa_access(saa_handle, &access_args, &length, 5254 &results_p); 5255 if (retval != IBT_SUCCESS) { 5256 IBTF_DPRINTF_L2(cmlog, "ibt_query_mcg: SA access Failed"); 5257 ibcm_dec_hca_acc_cnt(hcap); 5258 return (retval); 5259 } 5260 5261 num_records = length/sizeof (sa_mcmember_record_t); 5262 5263 IBTF_DPRINTF_L4(cmlog, "ibt_query_mcg: Found %d MCMember Records", 5264 num_records); 5265 5266 /* Validate the returned number of records. */ 5267 if ((results_p != NULL) && (num_records > 0)) { 5268 uint_t i; 5269 5270 /* 5271 * If mcgs_max_num is zero, then return all records else 5272 * return only requested number of records 5273 */ 5274 if ((mcgs_max_num != 0) && (num_records > mcgs_max_num)) { 5275 /* we are interested in only mcgs_max_num records */ 5276 num_records = mcgs_max_num; 5277 } 5278 5279 /* 5280 * The SGID returned in "mcg_info_p" buffer should be PortGID, 5281 * (mcg_attr->mc_pgid), if 'mcg_attr->mc_pgid' was specified, 5282 * else RequestGID (rgid) should be returned. 5283 */ 5284 if ((port_gid.gid_prefix != 0) && (port_gid.gid_guid != 0)) { 5285 5286 /* Get sgid_ix and port number of 'port_gid' */ 5287 retval = ibtl_cm_get_hca_port(port_gid, 0, &hport); 5288 if (retval != IBT_SUCCESS) { 5289 IBTF_DPRINTF_L2(cmlog, "ibt_query_mcg: " 5290 "Failed to Get Portinfo for PortGID :" 5291 "status = %d", retval); 5292 return (retval); 5293 } 5294 } else { 5295 /* 5296 * The sgid_ix and port number related to RequestGID 5297 * are already obtained at the beginning. 5298 */ 5299 port_gid = rgid; 5300 } 5301 5302 /* 5303 * Allocate memory for return buffer, to be freed in 5304 * ibt_free_mcg_info(). 5305 */ 5306 mcg_infop = kmem_alloc((num_records * sizeof (ibt_mcg_info_t)), 5307 KM_SLEEP); 5308 5309 *mcgs_info_p = mcg_infop; 5310 *entries_p = num_records; 5311 5312 /* Update the return values. */ 5313 for (i = 0; i < num_records; i++) { 5314 5315 mcg_resp = (sa_mcmember_record_t *)((uchar_t *) 5316 results_p + i * sizeof (sa_mcmember_record_t)); 5317 5318 mcg_infop[i].mc_adds_vect.av_dgid = mcg_resp->MGID; 5319 mcg_infop[i].mc_adds_vect.av_sgid = port_gid; 5320 mcg_infop[i].mc_adds_vect.av_srate = mcg_resp->Rate; 5321 mcg_infop[i].mc_adds_vect.av_srvl = mcg_resp->SL; 5322 mcg_infop[i].mc_adds_vect.av_flow = mcg_resp->FlowLabel; 5323 mcg_infop[i].mc_adds_vect.av_tclass = mcg_resp->TClass; 5324 mcg_infop[i].mc_adds_vect.av_hop = mcg_resp->HopLimit; 5325 mcg_infop[i].mc_adds_vect.av_port_num = hport.hp_port; 5326 mcg_infop[i].mc_adds_vect.av_send_grh = B_TRUE; 5327 mcg_infop[i].mc_adds_vect.av_dlid = mcg_resp->MLID; 5328 mcg_infop[i].mc_adds_vect.av_sgid_ix = hport.hp_sgid_ix; 5329 mcg_infop[i].mc_adds_vect.av_src_path = 0; 5330 mcg_infop[i].mc_mtu = mcg_resp->MTU; 5331 mcg_infop[i].mc_qkey = mcg_resp->Q_Key; 5332 mcg_infop[i].mc_scope = mcg_resp->Scope; 5333 mcg_infop[i].mc_pkt_lt = mcg_resp->PacketLifeTime; 5334 5335 if (ibt_pkey2index_byguid(hport.hp_hca_guid, 5336 hport.hp_port, mcg_resp->P_Key, 5337 &mcg_infop[i].mc_pkey_ix) != IBT_SUCCESS) { 5338 IBTF_DPRINTF_L3(cmlog, "ibt_query_mcg: " 5339 "Pkey2Index Conversion failed"); 5340 mcg_infop[i].mc_pkey_ix = 0; 5341 } 5342 } 5343 5344 /* 5345 * Deallocate the memory allocated by SA for results_p. 5346 */ 5347 kmem_free(results_p, length); 5348 retval = IBT_SUCCESS; 5349 5350 IBTF_DPRINTF_L3(cmlog, "ibt_query_mcg: returning %d MCGRecords", 5351 num_records); 5352 5353 } else { 5354 retval = IBT_MCG_RECORDS_NOT_FOUND; 5355 *entries_p = 0; 5356 5357 IBTF_DPRINTF_L3(cmlog, "ibt_query_mcg: MCG RECORDS NOT FOUND"); 5358 } 5359 5360 ibcm_dec_hca_acc_cnt(hcap); 5361 5362 return (retval); 5363 } 5364 5365 5366 /* 5367 * ibt_free_mcg_info() 5368 * Free the memory allocated by successful ibt_query_mcg() 5369 * 5370 * mcgs_info Pointer returned by ibt_query_mcg(). 5371 * 5372 * entries The number of ibt_mcg_info_t entries to free. 5373 */ 5374 void 5375 ibt_free_mcg_info(ibt_mcg_info_t *mcgs_info, uint_t entries) 5376 { 5377 IBTF_DPRINTF_L3(cmlog, "ibt_free_mcg_info: " 5378 "Free <%d> entries from 0x%p", entries, mcgs_info); 5379 5380 if ((mcgs_info != NULL) && (entries > 0)) 5381 kmem_free(mcgs_info, entries * sizeof (ibt_mcg_info_t)); 5382 else 5383 IBTF_DPRINTF_L2(cmlog, "ibt_free_mcg_info: " 5384 "ERROR: NULL buf pointer or length specified."); 5385 } 5386 5387 5388 /* 5389 * Function: 5390 * ibt_gid_to_node_info() 5391 * Input: 5392 * gid Identifies the IB Node and port for which to obtain 5393 * Node information. 5394 * Output: 5395 * node_info_p A pointer to an ibt_node_info_t structure (allocated 5396 * by the caller) in which to return the node information. 5397 * Returns: 5398 * IBT_SUCCESS 5399 * IBT_INVALID_PARAM 5400 * IBT_NODE_RECORDS_NOT_FOUND 5401 * IBT_NO_HCAS_AVAILABLE 5402 * Description: 5403 * Retrieve Node Information for the specified GID. 5404 */ 5405 ibt_status_t 5406 ibt_gid_to_node_info(ib_gid_t gid, ibt_node_info_t *node_info_p) 5407 { 5408 sa_node_record_t nr_req, *nr_resp; 5409 ibmf_saa_handle_t saa_handle; 5410 ibt_status_t retval; 5411 ibcm_hca_info_t *hcap; 5412 ibtl_cm_hca_port_t hport; 5413 int i, j; 5414 uint_t num_rec; 5415 ib_guid_t *guid_array = NULL; 5416 sa_path_record_t *path; 5417 size_t len; 5418 uint8_t npaths; 5419 uint32_t num_hcas = 0; 5420 ib_lid_t node_lid; 5421 boolean_t local_node = B_FALSE; 5422 void *res_p; 5423 uint8_t num_ports = 0; 5424 5425 5426 IBTF_DPRINTF_L4(cmlog, "ibt_gid_to_node_info(%llX:%llX, %p)", 5427 gid.gid_prefix, gid.gid_guid, node_info_p); 5428 5429 if ((gid.gid_prefix == 0) || (gid.gid_guid == 0)) { 5430 IBTF_DPRINTF_L2(cmlog, "ibt_gid_to_node_info: GID is required"); 5431 return (IBT_INVALID_PARAM); 5432 } 5433 5434 if (node_info_p == NULL) { 5435 IBTF_DPRINTF_L2(cmlog, "ibt_gid_to_node_info: " 5436 "Return Buf (node_info_p) is NULL."); 5437 return (IBT_INVALID_PARAM); 5438 } 5439 5440 /* 5441 * If 'gid' is on local node, then get node lid (i.e. base lid of the 5442 * associated port) info via ibtl_cm_get_hca_port() call. 5443 */ 5444 bzero(&hport, sizeof (ibtl_cm_hca_port_t)); 5445 if (ibtl_cm_get_hca_port(gid, 0, &hport) == IBT_SUCCESS) { 5446 5447 hcap = ibcm_find_hca_entry(hport.hp_hca_guid); 5448 if (hcap == NULL) { 5449 IBTF_DPRINTF_L3(cmlog, "ibt_gid_to_node_info: " 5450 "HCA(%llX) info not found", hport.hp_hca_guid); 5451 return (IBT_NO_HCAS_AVAILABLE); 5452 } 5453 num_ports = 1; 5454 num_hcas = 1; 5455 node_lid = hport.hp_base_lid; 5456 local_node = B_TRUE; 5457 IBTF_DPRINTF_L4(cmlog, "ibt_gid_to_node_info: Local Node: " 5458 "LID = 0x%X", node_lid); 5459 } else { 5460 /* Get the number of HCAs and their GUIDs */ 5461 num_hcas = ibt_get_hca_list(&guid_array); 5462 IBTF_DPRINTF_L4(cmlog, "ibt_gid_to_node_info: ibt_get_hca_list " 5463 "returned %d hcas", num_hcas); 5464 5465 if (num_hcas == 0) { 5466 IBTF_DPRINTF_L2(cmlog, "ibt_gid_to_node_info: " 5467 "NO HCA's Found on this system"); 5468 return (IBT_NO_HCAS_AVAILABLE); 5469 } 5470 } 5471 5472 for (i = 0; i < num_hcas; i++) { 5473 if (local_node == B_FALSE) { 5474 hcap = ibcm_find_hca_entry(guid_array[i]); 5475 if (hcap == NULL) { 5476 IBTF_DPRINTF_L3(cmlog, "ibt_gid_to_node_info: " 5477 "HCA(%llX) info not found", guid_array[i]); 5478 retval = IBT_NO_HCAS_AVAILABLE; 5479 continue; 5480 } 5481 num_ports = hcap->hca_num_ports; 5482 } 5483 5484 for (j = 0; j < num_ports; j++) { 5485 uint8_t port = 0; 5486 5487 if (local_node == B_TRUE) 5488 port = hport.hp_port; 5489 else 5490 port = j + 1; 5491 5492 /* Get SA Access Handle. */ 5493 saa_handle = ibcm_get_saa_handle(hcap, port); 5494 if (saa_handle == NULL) { 5495 IBTF_DPRINTF_L3(cmlog, "ibt_gid_to_node_info: " 5496 "Port %d of HCA (%llX) is NOT ACTIVE", 5497 port, hport.hp_hca_guid); 5498 retval = IBT_NODE_RECORDS_NOT_FOUND; 5499 continue; 5500 } 5501 5502 if (local_node == B_FALSE) { 5503 ib_gid_t sgid; 5504 int sa_ret; 5505 5506 /* 5507 * Check whether 'gid' and this port has same 5508 * subnet prefix. If not, then there is no use 5509 * in searching from this port. 5510 */ 5511 sgid = hcap->hca_port_info[j].port_sgid0; 5512 if (gid.gid_prefix != sgid.gid_prefix) { 5513 IBTF_DPRINTF_L3(cmlog, 5514 "ibt_gid_to_node_info:Sn_Prefix of " 5515 "GID(%llX) and Port's(%llX) differ", 5516 gid.gid_prefix, sgid.gid_prefix); 5517 retval = IBT_NODE_RECORDS_NOT_FOUND; 5518 continue; 5519 } 5520 5521 /* 5522 * First Get Path Records for the specified DGID 5523 * from this port (SGID). From Path Records, 5524 * note down DLID, then use this DLID as Input 5525 * attribute to get NodeRecords from SA Access. 5526 */ 5527 npaths = 1; 5528 path = NULL; 5529 5530 sa_ret = ibmf_saa_gid_to_pathrecords(saa_handle, 5531 sgid, gid, 0, 0, B_TRUE, &npaths, 0, &len, 5532 &path); 5533 if (sa_ret != IBMF_SUCCESS) { 5534 IBTF_DPRINTF_L2(cmlog, 5535 "ibt_gid_to_node_info: " 5536 "ibmf_saa_gid_to_pathrecords() " 5537 "returned error: %d ", sa_ret); 5538 retval = 5539 ibcm_ibmf_analyze_error(sa_ret); 5540 continue; 5541 } else if ((npaths == 0) || (path == NULL)) { 5542 IBTF_DPRINTF_L3(cmlog, 5543 "ibt_gid_to_node_info: failed (%d) " 5544 "to get path records for the DGID " 5545 "0x%llX from SGID 0x%llX", sa_ret, 5546 gid.gid_guid, sgid.gid_guid); 5547 retval = IBT_NODE_RECORDS_NOT_FOUND; 5548 continue; 5549 } 5550 node_lid = path->DLID; /* LID */ 5551 5552 IBTF_DPRINTF_L3(cmlog, "ibt_gid_to_node_info: " 5553 "Remote Node: LID = 0x%X", node_lid); 5554 5555 /* Free SA_Access memory for path record. */ 5556 kmem_free(path, len); 5557 } 5558 5559 /* Retrieve Node Records from SA Access. */ 5560 bzero(&nr_req, sizeof (sa_node_record_t)); 5561 5562 nr_req.LID = node_lid; /* LID */ 5563 5564 retval = ibcm_get_node_rec(saa_handle, &nr_req, 5565 SA_NODEINFO_COMPMASK_NODELID, &res_p, &len); 5566 if (retval == IBT_NODE_RECORDS_NOT_FOUND) { 5567 IBTF_DPRINTF_L2(cmlog, "ibt_gid_to_node_info: " 5568 "failed (%d) to get Node records", retval); 5569 continue; 5570 } else if (retval != IBT_SUCCESS) { 5571 IBTF_DPRINTF_L2(cmlog, "ibt_gid_to_node_info: " 5572 "failed (%d) to get Node records", retval); 5573 ibcm_dec_hca_acc_cnt(hcap); 5574 goto gid_to_ni_exit; 5575 } 5576 5577 num_rec = len/sizeof (sa_node_record_t); 5578 nr_resp = (sa_node_record_t *)(uchar_t *)res_p; 5579 5580 /* Validate the returned number of records. */ 5581 if ((nr_resp != NULL) && (num_rec > 0)) { 5582 5583 IBCM_DUMP_NODE_REC(nr_resp); 5584 5585 _NOTE(NOW_INVISIBLE_TO_OTHER_THREADS( 5586 *node_info_p)) 5587 5588 node_info_p->n_sys_img_guid = 5589 nr_resp->NodeInfo.SystemImageGUID; 5590 node_info_p->n_node_guid = 5591 nr_resp->NodeInfo.NodeGUID; 5592 node_info_p->n_port_guid = 5593 nr_resp->NodeInfo.PortGUID; 5594 node_info_p->n_dev_id = 5595 nr_resp->NodeInfo.DeviceID; 5596 node_info_p->n_revision = 5597 nr_resp->NodeInfo.Revision; 5598 node_info_p->n_vendor_id = 5599 nr_resp->NodeInfo.VendorID; 5600 node_info_p->n_num_ports = 5601 nr_resp->NodeInfo.NumPorts; 5602 node_info_p->n_port_num = 5603 nr_resp->NodeInfo.LocalPortNum; 5604 node_info_p->n_node_type = 5605 nr_resp->NodeInfo.NodeType; 5606 (void) strncpy(node_info_p->n_description, 5607 (char *)&nr_resp->NodeDescription, 64); 5608 5609 _NOTE(NOW_VISIBLE_TO_OTHER_THREADS( 5610 *node_info_p)) 5611 5612 /* 5613 * Deallocate the memory allocated by SA for 5614 * 'nr_resp'. 5615 */ 5616 ibcm_dec_hca_acc_cnt(hcap); 5617 kmem_free(nr_resp, len); 5618 retval = IBT_SUCCESS; 5619 5620 goto gid_to_ni_exit; 5621 } else { 5622 retval = IBT_NODE_RECORDS_NOT_FOUND; 5623 IBTF_DPRINTF_L3(cmlog, "ibt_gid_to_node_info: " 5624 "Node Records NOT found - PortGUID %016llX", 5625 gid.gid_guid); 5626 } 5627 } 5628 ibcm_dec_hca_acc_cnt(hcap); 5629 5630 if (local_node == B_TRUE) 5631 break; 5632 } 5633 5634 gid_to_ni_exit: 5635 if (guid_array) 5636 ibt_free_hca_list(guid_array, num_hcas); 5637 5638 IBTF_DPRINTF_L3(cmlog, "ibt_gid_to_node_info: done. Status %d", retval); 5639 5640 return (retval); 5641 } 5642 5643 5644 ibt_status_t 5645 ibcm_get_node_rec(ibmf_saa_handle_t saa_handle, sa_node_record_t *nr_req, 5646 uint64_t component_mask, void *result_p, size_t *len) 5647 { 5648 ibmf_saa_access_args_t args; 5649 size_t length; 5650 ibt_status_t retval; 5651 5652 args.sq_attr_id = SA_NODERECORD_ATTRID; 5653 args.sq_template = nr_req; 5654 args.sq_access_type = IBMF_SAA_RETRIEVE; 5655 args.sq_template_length = sizeof (sa_node_record_t); 5656 args.sq_component_mask = component_mask; 5657 args.sq_callback = NULL; 5658 args.sq_callback_arg = NULL; 5659 5660 retval = ibcm_contact_sa_access(saa_handle, &args, &length, result_p); 5661 if (retval != IBT_SUCCESS) { 5662 IBTF_DPRINTF_L2(cmlog, "ibcm_get_node_rec: SA Call Failed"); 5663 return (retval); 5664 } 5665 5666 *len = length; 5667 5668 /* Validate the returned number of records. */ 5669 if ((result_p != NULL) && (length > 0)) { 5670 IBTF_DPRINTF_L3(cmlog, "ibcm_get_node_rec: Node Records FOUND"); 5671 5672 /* Got it, done!. */ 5673 return (IBT_SUCCESS); 5674 } else { 5675 IBTF_DPRINTF_L2(cmlog, "ibcm_get_node_rec: Node Rec NOT found"); 5676 return (IBT_NODE_RECORDS_NOT_FOUND); 5677 } 5678 } 5679 5680 5681 /* 5682 * Function: 5683 * ibt_get_companion_port_gids() 5684 * Description: 5685 * Get list of GID's available on a companion port(s) of the specified 5686 * GID or list of GIDs available on a specified Node GUID/SystemImage GUID. 5687 */ 5688 ibt_status_t 5689 ibt_get_companion_port_gids(ib_gid_t gid, ib_guid_t hca_guid, 5690 ib_guid_t sysimg_guid, ib_gid_t **gids_p, uint_t *num_gids_p) 5691 { 5692 sa_node_record_t nr_req, *nr_resp; 5693 void *res_p; 5694 ibmf_saa_handle_t saa_handle; 5695 int sa_ret; 5696 ibt_status_t retval = IBT_SUCCESS; 5697 ibcm_hca_info_t *hcap; 5698 ibtl_cm_hca_port_t hport; 5699 int i, j; 5700 uint_t num_rec; 5701 ib_guid_t *guid_array = NULL; 5702 sa_path_record_t *path; 5703 size_t len; 5704 uint8_t npaths; 5705 uint32_t num_hcas = 0; 5706 boolean_t local_node = B_FALSE; 5707 boolean_t local_hca = B_FALSE; 5708 ib_guid_t h_guid = hca_guid; 5709 ib_gid_t *gidp = NULL, *t_gidp = NULL; 5710 int multi_hca_loop = 0; 5711 5712 IBTF_DPRINTF_L4(cmlog, "ibt_get_companion_port_gids(%llX:%llX, %llX, " 5713 "%llX)", gid.gid_prefix, gid.gid_guid, hca_guid, sysimg_guid); 5714 5715 if (((gid.gid_prefix == 0) || (gid.gid_guid == 0)) && (hca_guid == 0) && 5716 (sysimg_guid == 0)) { 5717 IBTF_DPRINTF_L2(cmlog, "ibt_get_companion_port_gids: " 5718 "Null Input attribute specified."); 5719 return (IBT_INVALID_PARAM); 5720 } 5721 5722 if ((num_gids_p == NULL) || (gids_p == NULL)) { 5723 IBTF_DPRINTF_L2(cmlog, "ibt_get_companion_port_gids: " 5724 "num_gids_p or gids_p is NULL"); 5725 return (IBT_INVALID_PARAM); 5726 } 5727 5728 *num_gids_p = 0; 5729 5730 /* Get the number of HCAs and their GUIDs */ 5731 if ((num_hcas = ibt_get_hca_list(&guid_array)) == 0) { 5732 IBTF_DPRINTF_L2(cmlog, "ibt_get_companion_port_gids: " 5733 "NO HCA's Found on this system"); 5734 return (IBT_NO_HCAS_AVAILABLE); 5735 } 5736 5737 IBTF_DPRINTF_L4(cmlog, "ibt_get_companion_port_gids: " 5738 "ibt_get_hca_list() returned %d hcas", num_hcas); 5739 5740 /* 5741 * If 'gid' is on local node, then get node lid (i.e. base lid of the 5742 * associated port) info via ibtl_cm_get_hca_port() call. 5743 */ 5744 bzero(&hport, sizeof (ibtl_cm_hca_port_t)); 5745 if ((gid.gid_prefix != 0) && (gid.gid_guid != 0) && 5746 (ibtl_cm_get_hca_port(gid, 0, &hport) == IBT_SUCCESS)) { 5747 5748 if ((hca_guid != 0) && (hca_guid != hport.hp_hca_guid)) { 5749 IBTF_DPRINTF_L2(cmlog, "ibt_get_companion_port_gids: " 5750 "Invalid GID<->HCAGUID combination specified."); 5751 retval = IBT_INVALID_PARAM; 5752 goto get_comp_pgid_exit; 5753 } 5754 h_guid = hport.hp_hca_guid; 5755 local_node = B_TRUE; 5756 5757 IBTF_DPRINTF_L4(cmlog, "ibt_get_companion_port_gids: " 5758 "Local Node: HCA (0x%llX)", h_guid); 5759 } else if (h_guid) { /* Is specified HCA GUID - local? */ 5760 for (i = 0; i < num_hcas; i++) { 5761 if (h_guid == guid_array[i]) { 5762 local_hca = B_TRUE; 5763 break; 5764 } 5765 } 5766 } else if (sysimg_guid) { /* Is specified SystemImage GUID - local? */ 5767 for (i = 0; i < num_hcas; i++) { 5768 ibt_status_t ret; 5769 ibt_hca_attr_t hca_attr; 5770 5771 ret = ibt_query_hca_byguid(guid_array[i], &hca_attr); 5772 if (ret != IBT_SUCCESS) { 5773 IBTF_DPRINTF_L2(cmlog, 5774 "ibt_get_companion_port_gids: HCA(%llX) " 5775 "info not found", guid_array[i]); 5776 retval = IBT_NO_HCAS_AVAILABLE; 5777 continue; 5778 } 5779 if (hca_attr.hca_si_guid == sysimg_guid) { 5780 if ((hca_guid != 0) && 5781 (hca_guid != hca_attr.hca_node_guid)) { 5782 IBTF_DPRINTF_L2(cmlog, 5783 "ibt_get_companion_port_gids: " 5784 "Invalid SysImg<->HCA GUID " 5785 "combination specified."); 5786 retval = IBT_INVALID_PARAM; 5787 goto get_comp_pgid_exit; 5788 } 5789 local_hca = B_TRUE; 5790 h_guid = hca_attr.hca_node_guid; 5791 break; 5792 } 5793 } 5794 } 5795 5796 if ((local_node == B_TRUE) || (local_hca == B_TRUE)) { 5797 retval = ibtl_cm_get_local_comp_gids(h_guid, gid, gids_p, 5798 num_gids_p); 5799 goto get_comp_pgid_exit; 5800 } 5801 5802 get_comp_for_multihca: 5803 /* We will be here, if request is for remote node */ 5804 for (i = 0; i < num_hcas; i++) { 5805 int multism; 5806 uint_t count = 0; 5807 int multi_sm_loop = 0; 5808 uint_t k = 0, l; 5809 5810 hcap = ibcm_find_hca_entry(guid_array[i]); 5811 if (hcap == NULL) { 5812 IBTF_DPRINTF_L3(cmlog, "ibt_get_companion_port_gids: " 5813 "HCA(%llX) info not found", guid_array[i]); 5814 retval = IBT_NO_HCAS_AVAILABLE; 5815 continue; 5816 } 5817 5818 /* 1 - MultiSM, 0 - Single SM */ 5819 multism = ibtl_cm_is_multi_sm(guid_array[i]); 5820 5821 for (j = 0; j < hcap->hca_num_ports; j++) { 5822 ib_gid_t sgid; 5823 uint64_t c_mask = 0; 5824 ib_guid_t pg; 5825 uint_t port = j; 5826 5827 get_comp_for_multism: 5828 IBTF_DPRINTF_L3(cmlog, "ibt_get_companion_port_gids: " 5829 "Port %d, HCA %llX, MultiSM= %d, Loop=%d", 5830 port + 1, h_guid, multism, multi_sm_loop); 5831 5832 /* Get SA Access Handle. */ 5833 saa_handle = ibcm_get_saa_handle(hcap, port + 1); 5834 if (saa_handle == NULL) { 5835 IBTF_DPRINTF_L2(cmlog, 5836 "ibt_get_companion_port_gids: " 5837 "Port (%d) - NOT ACTIVE", port + 1); 5838 retval = IBT_GIDS_NOT_FOUND; 5839 continue; 5840 } 5841 5842 /* 5843 * Check whether 'gid' and this port has same subnet 5844 * prefix. If not, then there is no use in searching 5845 * from this port. 5846 */ 5847 sgid = hcap->hca_port_info[port].port_sgid0; 5848 if ((h_guid == 0) && (gid.gid_prefix != 0) && 5849 (multi_sm_loop == 0) && 5850 (gid.gid_prefix != sgid.gid_prefix)) { 5851 IBTF_DPRINTF_L2(cmlog, 5852 "ibt_get_companion_port_gids: SnPrefix of " 5853 "GID(%llX) and Port SN_Pfx(%llX) differ", 5854 gid.gid_prefix, sgid.gid_prefix); 5855 retval = IBT_GIDS_NOT_FOUND; 5856 continue; 5857 } 5858 5859 /* 5860 * If HCA GUID or System Image GUID is specified, then 5861 * we can achieve our goal sooner!. 5862 */ 5863 if ((h_guid == 0) && (sysimg_guid == 0)) { 5864 /* So only GID info is provided. */ 5865 5866 /* 5867 * First Get Path Records for the specified DGID 5868 * from this port (SGID). From Path Records, 5869 * note down DLID, then use this DLID as Input 5870 * attribute to get NodeRecords. 5871 */ 5872 npaths = 1; 5873 path = NULL; 5874 5875 sa_ret = ibmf_saa_gid_to_pathrecords(saa_handle, 5876 sgid, gid, 0, 0, B_TRUE, &npaths, 0, &len, 5877 &path); 5878 if (sa_ret != IBMF_SUCCESS) { 5879 IBTF_DPRINTF_L2(cmlog, 5880 "ibt_get_companion_port_gids: " 5881 "ibmf_saa_gid_to_pathrecords() " 5882 "returned error: %d ", sa_ret); 5883 retval = 5884 ibcm_ibmf_analyze_error(sa_ret); 5885 ibcm_dec_hca_acc_cnt(hcap); 5886 goto get_comp_pgid_exit; 5887 } else if ((npaths == 0) || (path == NULL)) { 5888 IBTF_DPRINTF_L2(cmlog, 5889 "ibt_get_companion_port_gids: " 5890 "failed (%d) to get path records " 5891 "for the DGID (0x%llX) from SGID " 5892 "(0x%llX)", sa_ret, gid.gid_guid, 5893 sgid.gid_guid); 5894 retval = IBT_GIDS_NOT_FOUND; 5895 continue; 5896 } 5897 5898 bzero(&nr_req, sizeof (sa_node_record_t)); 5899 nr_req.LID = path->DLID; /* LID */ 5900 5901 IBTF_DPRINTF_L3(cmlog, 5902 "ibt_get_companion_port_gids: " 5903 "Remote Node: LID = 0x%X", nr_req.LID); 5904 5905 /* Free SA_Access memory for path record. */ 5906 kmem_free(path, len); 5907 5908 IBTF_DPRINTF_L3(cmlog, 5909 "ibt_get_companion_port_gids: SAA Call: " 5910 "based on LID "); 5911 5912 retval = ibcm_get_node_rec(saa_handle, &nr_req, 5913 SA_NODEINFO_COMPMASK_NODELID, &res_p, &len); 5914 if (retval == IBT_NODE_RECORDS_NOT_FOUND) { 5915 IBTF_DPRINTF_L2(cmlog, 5916 "ibt_get_companion_port_gids: " 5917 "failed (%d) to get Node records", 5918 retval); 5919 continue; 5920 } else if (retval != IBT_SUCCESS) { 5921 IBTF_DPRINTF_L2(cmlog, 5922 "ibt_get_companion_port_gids: " 5923 "failed (%d) to get Node records", 5924 retval); 5925 ibcm_dec_hca_acc_cnt(hcap); 5926 goto get_comp_pgid_exit; 5927 } 5928 5929 nr_resp = (sa_node_record_t *)(uchar_t *)res_p; 5930 /* Note down HCA GUID info. */ 5931 h_guid = nr_resp->NodeInfo.NodeGUID; 5932 5933 IBTF_DPRINTF_L3(cmlog, 5934 "ibt_get_companion_port_gids: " 5935 "Remote HCA GUID: 0x%llX", h_guid); 5936 5937 IBCM_DUMP_NODE_REC(nr_resp); 5938 5939 kmem_free(res_p, len); 5940 } 5941 5942 bzero(&nr_req, sizeof (sa_node_record_t)); 5943 if (h_guid != 0) { 5944 nr_req.NodeInfo.NodeGUID = h_guid; 5945 c_mask = SA_NODEINFO_COMPMASK_NODEGUID; 5946 } 5947 5948 if (sysimg_guid != 0) { 5949 nr_req.NodeInfo.SystemImageGUID = sysimg_guid; 5950 c_mask |= SA_NODEINFO_COMPMASK_SYSIMAGEGUID; 5951 } 5952 5953 IBTF_DPRINTF_L3(cmlog, "ibt_get_companion_port_gids: " 5954 "SAA Call: CMASK= 0x%llX", c_mask); 5955 5956 retval = ibcm_get_node_rec(saa_handle, &nr_req, c_mask, 5957 &res_p, &len); 5958 if (retval == IBT_NODE_RECORDS_NOT_FOUND) { 5959 IBTF_DPRINTF_L3(cmlog, 5960 "ibt_get_companion_port_gids: " 5961 "failed (%d) to get Node records", retval); 5962 continue; 5963 } else if (retval != IBT_SUCCESS) { 5964 IBTF_DPRINTF_L2(cmlog, 5965 "ibt_get_companion_port_gids: Error: (%d) " 5966 "while getting Node records", retval); 5967 ibcm_dec_hca_acc_cnt(hcap); 5968 goto get_comp_pgid_exit; 5969 } 5970 5971 num_rec = len/sizeof (sa_node_record_t); 5972 5973 /* We will be here, only if we found some NodeRec */ 5974 if (gid.gid_prefix && gid.gid_guid) { 5975 nr_resp = (sa_node_record_t *)res_p; 5976 for (l = 0; l < num_rec; l++, nr_resp++) { 5977 pg = nr_resp->NodeInfo.PortGUID; 5978 if (gid.gid_guid != pg) 5979 count++; 5980 } 5981 } else { 5982 count = num_rec; 5983 } 5984 5985 if (count != 0) { 5986 if (multi_sm_loop == 1) { 5987 count += k; 5988 t_gidp = kmem_zalloc(count * 5989 sizeof (ib_gid_t), KM_SLEEP); 5990 5991 if ((k != 0) && (gidp != NULL)) { 5992 bcopy(gidp, t_gidp, 5993 k * sizeof (ib_gid_t)); 5994 kmem_free(gidp, 5995 k * sizeof (ib_gid_t)); 5996 } 5997 gidp = t_gidp; 5998 } else { 5999 gidp = kmem_zalloc(count * 6000 sizeof (ib_gid_t), KM_SLEEP); 6001 } 6002 *num_gids_p = count; 6003 *gids_p = gidp; 6004 6005 nr_resp = (sa_node_record_t *)res_p; 6006 for (l = 0; l < num_rec; l++, nr_resp++) { 6007 IBCM_DUMP_NODE_REC(nr_resp); 6008 6009 pg = nr_resp->NodeInfo.PortGUID; 6010 IBTF_DPRINTF_L4(cmlog, 6011 "ibt_get_companion_port_gids: " 6012 "PortGID %llX", pg); 6013 6014 if (pg != gid.gid_guid) { 6015 gidp[k].gid_prefix = 6016 sgid.gid_prefix; 6017 gidp[k].gid_guid = pg; 6018 6019 IBTF_DPRINTF_L3(cmlog, 6020 "ibt_get_companion_pgids: " 6021 "GID[%d] = %llX:%llX", k, 6022 gidp[k].gid_prefix, 6023 gidp[k].gid_guid); 6024 6025 k++; 6026 if (k == count) 6027 break; 6028 } 6029 } 6030 retval = IBT_SUCCESS; /* done!. */ 6031 kmem_free(res_p, len); 6032 ibcm_dec_hca_acc_cnt(hcap); 6033 goto get_comp_pgid_exit; 6034 } else { 6035 IBTF_DPRINTF_L2(cmlog, 6036 "ibt_get_companion_port_gids: " 6037 "Companion PortGIDs not available"); 6038 retval = IBT_GIDS_NOT_FOUND; 6039 } 6040 /* Deallocate the memory for 'res_p'. */ 6041 kmem_free(res_p, len); 6042 6043 /* 6044 * If we are on MultiSM setup, then we need to lookout 6045 * from that subnet port too. 6046 */ 6047 if (multism) { 6048 /* break if already searched both the subnet */ 6049 if (multi_sm_loop == 1) 6050 break; 6051 6052 port = (j == 0) ? 1 : 0; 6053 multi_sm_loop = 1; 6054 goto get_comp_for_multism; 6055 } else { 6056 break; 6057 } 6058 } 6059 ibcm_dec_hca_acc_cnt(hcap); 6060 6061 /* 6062 * We may be on dual HCA with dual SM configured system. And 6063 * the input attr GID was visible from second HCA. So in order 6064 * to get the companion portgid we need to re-look from the 6065 * first HCA ports. 6066 */ 6067 if ((num_hcas > 1) && (i > 0) && (h_guid != 0) && 6068 (multi_hca_loop != 1)) { 6069 multi_hca_loop = 1; 6070 goto get_comp_for_multihca; 6071 } 6072 } 6073 if (*num_gids_p == 0) 6074 retval = IBT_GIDS_NOT_FOUND; 6075 6076 get_comp_pgid_exit: 6077 if (guid_array) 6078 ibt_free_hca_list(guid_array, num_hcas); 6079 6080 if ((retval != IBT_SUCCESS) && (*num_gids_p != 0)) { 6081 retval = IBT_SUCCESS; 6082 } 6083 6084 IBTF_DPRINTF_L3(cmlog, "ibt_get_companion_port_gids: done. Status %d, " 6085 "Found %d GIDs", retval, *num_gids_p); 6086 6087 return (retval); 6088 } 6089 6090 /* RDMA IP CM Support routines */ 6091 ibt_status_t 6092 ibt_get_src_ip(ib_gid_t gid, ib_pkey_t pkey, ibt_ip_addr_t *src_ip) 6093 { 6094 ibcm_arp_ip_t *ipp; 6095 ibcm_arp_ibd_insts_t ibds; 6096 int i; 6097 boolean_t found = B_FALSE; 6098 ibt_status_t retval = IBT_SUCCESS; 6099 6100 IBTF_DPRINTF_L4(cmlog, "ibt_get_src_ip(%llX:%llX, %X, %p)", 6101 gid.gid_prefix, gid.gid_guid, pkey, src_ip); 6102 6103 if (gid.gid_prefix == 0 || gid.gid_guid == 0) { 6104 IBTF_DPRINTF_L3(cmlog, "ibt_get_src_ip: Invalid GID."); 6105 return (IBT_INVALID_PARAM); 6106 } 6107 6108 if (src_ip == NULL) { 6109 IBTF_DPRINTF_L3(cmlog, "ibt_get_src_ip: ERROR: src_ip NULL"); 6110 return (IBT_INVALID_PARAM); 6111 } 6112 6113 bzero(&ibds, sizeof (ibcm_arp_ibd_insts_t)); 6114 ibds.ibcm_arp_ibd_alloc = IBCM_ARP_IBD_INSTANCES; 6115 ibds.ibcm_arp_ibd_cnt = 0; 6116 ibds.ibcm_arp_ip = (ibcm_arp_ip_t *)kmem_zalloc( 6117 ibds.ibcm_arp_ibd_alloc * sizeof (ibcm_arp_ip_t), KM_SLEEP); 6118 6119 retval = ibcm_arp_get_ibds(&ibds, AF_UNSPEC); 6120 if (retval != IBT_SUCCESS) { 6121 IBTF_DPRINTF_L2(cmlog, "ibt_get_src_ip: ibcm_arp_get_ibds " 6122 "failed to get IBD Instances: ret 0x%x", retval); 6123 goto get_src_ip_end; 6124 } 6125 6126 for (i = 0, ipp = ibds.ibcm_arp_ip; i < ibds.ibcm_arp_ibd_cnt; 6127 i++, ipp++) { 6128 if (ipp->ip_port_gid.gid_prefix == gid.gid_prefix && 6129 ipp->ip_port_gid.gid_guid == gid.gid_guid) { 6130 if (pkey) { 6131 if (ipp->ip_pkey == pkey) { 6132 found = B_TRUE; 6133 break; 6134 } else 6135 continue; 6136 } 6137 found = B_TRUE; 6138 break; 6139 } 6140 } 6141 6142 if (found == B_FALSE) { 6143 retval = IBT_SRC_IP_NOT_FOUND; 6144 } else { 6145 src_ip->family = ipp->ip_inet_family; 6146 if (src_ip->family == AF_INET) { 6147 bcopy(&ipp->ip_cm_sin.sin_addr, &src_ip->un.ip4addr, 6148 sizeof (in_addr_t)); 6149 } else if (src_ip->family == AF_INET6) { 6150 bcopy(&ipp->ip_cm_sin6.sin6_addr, &src_ip->un.ip6addr, 6151 sizeof (in6_addr_t)); 6152 } 6153 IBCM_PRINT_IP("ibt_get_src_ip", src_ip); 6154 } 6155 6156 get_src_ip_end: 6157 if (ibds.ibcm_arp_ip) 6158 kmem_free(ibds.ibcm_arp_ip, 6159 ibds.ibcm_arp_ibd_alloc * sizeof (ibcm_arp_ip_t)); 6160 6161 return (retval); 6162 } 6163 6164 ib_svc_id_t 6165 ibt_get_ip_sid(uint8_t protocol_num, in_port_t dst_port) 6166 { 6167 ib_svc_id_t sid; 6168 6169 IBTF_DPRINTF_L4(cmlog, "ibt_get_ip_sid(%X, %lX)", protocol_num, 6170 dst_port); 6171 6172 /* 6173 * If protocol_num is non-zero, then formulate the SID and return it. 6174 * If protocol_num is zero, then we need to assign a locally generated 6175 * IP SID with IB_SID_IPADDR_PREFIX. 6176 */ 6177 if (protocol_num) { 6178 sid = IB_SID_IPADDR_PREFIX | protocol_num << 16 | dst_port; 6179 } else { 6180 sid = ibcm_alloc_ip_sid(); 6181 } 6182 6183 IBTF_DPRINTF_L3(cmlog, "ibt_get_ip_sid: SID: 0x%016llX", sid); 6184 return (sid); 6185 } 6186 6187 ibt_status_t 6188 ibt_release_ip_sid(ib_svc_id_t ip_sid) 6189 { 6190 IBTF_DPRINTF_L4(cmlog, "ibt_release_ip_sid(%llX)", ip_sid); 6191 6192 if (((ip_sid & IB_SID_IPADDR_PREFIX_MASK) != 0) || 6193 (!(ip_sid & IB_SID_IPADDR_PREFIX))) { 6194 IBTF_DPRINTF_L2(cmlog, "ibt_release_ip_sid(0x%016llX): ERROR: " 6195 "Called for Non-RDMA IP SID", ip_sid); 6196 return (IBT_INVALID_PARAM); 6197 } 6198 6199 /* 6200 * If protocol_num in ip_sid are all ZEROs, then this SID is allocated 6201 * by IBTF. If not, then the specified ip_sid is invalid. 6202 */ 6203 if (ip_sid & IB_SID_IPADDR_IPNUM_MASK) { 6204 IBTF_DPRINTF_L2(cmlog, "ibt_release_ip_sid(0x%016llX): ERROR: " 6205 "Called for Non-IBTF assigned RDMA IP SID", ip_sid); 6206 return (IBT_INVALID_PARAM); 6207 } 6208 6209 ibcm_free_ip_sid(ip_sid); 6210 6211 return (IBT_SUCCESS); 6212 } 6213 6214 6215 uint8_t 6216 ibt_get_ip_protocol_num(ib_svc_id_t sid) 6217 { 6218 return ((sid & IB_SID_IPADDR_IPNUM_MASK) >> 16); 6219 } 6220 6221 in_port_t 6222 ibt_get_ip_dst_port(ib_svc_id_t sid) 6223 { 6224 return (sid & IB_SID_IPADDR_PORTNUM_MASK); 6225 } 6226 6227 _NOTE(SCHEME_PROTECTS_DATA("Unshared data", ibt_ip_cm_info_t)) 6228 _NOTE(SCHEME_PROTECTS_DATA("Unshared data", ibcm_ip_pvtdata_t)) 6229 6230 ibt_status_t 6231 ibt_format_ip_private_data(ibt_ip_cm_info_t *ip_cm_info, 6232 ibt_priv_data_len_t priv_data_len, void *priv_data_p) 6233 { 6234 ibcm_ip_pvtdata_t ip_data; 6235 6236 IBTF_DPRINTF_L4(cmlog, "ibt_format_ip_private_data(%p, %d, %p)", 6237 ip_cm_info, priv_data_len, priv_data_p); 6238 6239 if ((ip_cm_info == NULL) || (priv_data_p == NULL) || 6240 (priv_data_len < IBT_IP_HDR_PRIV_DATA_SZ)) { 6241 IBTF_DPRINTF_L2(cmlog, "ibt_format_ip_private_data: ERROR " 6242 "Invalid Inputs."); 6243 return (IBT_INVALID_PARAM); 6244 } 6245 6246 bzero(&ip_data, sizeof (ibcm_ip_pvtdata_t)); 6247 ip_data.ip_srcport = ip_cm_info->src_port; /* Source Port */ 6248 6249 IBCM_PRINT_IP("format_ip_pvt: src", &ip_cm_info->src_addr); 6250 IBCM_PRINT_IP("format_ip_pvt: dst", &ip_cm_info->dst_addr); 6251 /* IPV = 0x4, if IP-Addr are IPv4 format, else 0x6 for IPv6 */ 6252 if (ip_cm_info->src_addr.family == AF_INET) { 6253 ip_data.ip_ipv = IBT_CM_IP_IPV_V4; 6254 ip_data.ip_srcv4 = ip_cm_info->src_addr.un.ip4addr; 6255 ip_data.ip_dstv4 = ip_cm_info->dst_addr.un.ip4addr; 6256 } else if (ip_cm_info->src_addr.family == AF_INET6) { 6257 ip_data.ip_ipv = IBT_CM_IP_IPV_V6; 6258 bcopy(&ip_cm_info->src_addr.un.ip6addr, 6259 &ip_data.ip_srcv6, sizeof (in6_addr_t)); 6260 bcopy(&ip_cm_info->dst_addr.un.ip6addr, 6261 &ip_data.ip_dstv6, sizeof (in6_addr_t)); 6262 } else { 6263 IBTF_DPRINTF_L2(cmlog, "ibt_format_ip_private_data: ERROR " 6264 "IP Addr needs to be either AF_INET or AF_INET6 family."); 6265 return (IBT_INVALID_PARAM); 6266 } 6267 6268 ip_data.ip_MajV = IBT_CM_IP_MAJ_VER; 6269 ip_data.ip_MinV = IBT_CM_IP_MIN_VER; 6270 6271 bcopy(&ip_data, priv_data_p, IBT_IP_HDR_PRIV_DATA_SZ); 6272 6273 return (IBT_SUCCESS); 6274 } 6275 6276 6277 ibt_status_t 6278 ibt_get_ip_data(ibt_priv_data_len_t priv_data_len, void *priv_data, 6279 ibt_ip_cm_info_t *ip_cm_infop) 6280 { 6281 ibcm_ip_pvtdata_t ip_data; 6282 6283 IBTF_DPRINTF_L4(cmlog, "ibt_get_ip_data(%d, %p, %p)", 6284 priv_data_len, priv_data, ip_cm_infop); 6285 6286 if ((ip_cm_infop == NULL) || (priv_data == NULL) || 6287 (priv_data_len < IBT_IP_HDR_PRIV_DATA_SZ)) { 6288 IBTF_DPRINTF_L2(cmlog, "ibt_get_ip_data: ERROR Invalid Inputs"); 6289 return (IBT_INVALID_PARAM); 6290 } 6291 6292 bcopy(priv_data, &ip_data, IBT_IP_HDR_PRIV_DATA_SZ); 6293 ip_cm_infop->src_port = ip_data.ip_srcport; /* Source Port */ 6294 6295 /* IPV = 0x4, if IP Address are IPv4 format, else 0x6 for IPv6 */ 6296 if (ip_data.ip_ipv == IBT_CM_IP_IPV_V4) { 6297 /* Copy IPv4 Addr */ 6298 ip_cm_infop->src_addr.family = ip_cm_infop->dst_addr.family = 6299 AF_INET; 6300 ip_cm_infop->src_addr.un.ip4addr = ip_data.ip_srcv4; 6301 ip_cm_infop->dst_addr.un.ip4addr = ip_data.ip_dstv4; 6302 } else if (ip_data.ip_ipv == IBT_CM_IP_IPV_V6) { 6303 /* Copy IPv6 Addr */ 6304 ip_cm_infop->src_addr.family = ip_cm_infop->dst_addr.family = 6305 AF_INET6; 6306 bcopy(&ip_data.ip_srcv6, &ip_cm_infop->src_addr.un.ip6addr, 6307 sizeof (in6_addr_t)); 6308 bcopy(&ip_data.ip_dstv6, &ip_cm_infop->dst_addr.un.ip6addr, 6309 sizeof (in6_addr_t)); 6310 } else { 6311 IBTF_DPRINTF_L2(cmlog, "ibt_get_ip_data: ERROR: IP Addr needs" 6312 " to be either AF_INET or AF_INET6 family."); 6313 return (IBT_INVALID_PARAM); 6314 } 6315 IBCM_PRINT_IP("ibt_get_ip_data: src", &ip_cm_infop->src_addr); 6316 IBCM_PRINT_IP("ibt_get_ip_data: dst", &ip_cm_infop->dst_addr); 6317 6318 return (IBT_SUCCESS); 6319 } 6320 6321 6322 /* Routines for warlock */ 6323 6324 /* ARGSUSED */ 6325 static void 6326 ibcm_dummy_mcg_handler(void *arg, ibt_status_t retval, ibt_mcg_info_t *minfo) 6327 { 6328 ibcm_join_mcg_tqarg_t dummy_mcg; 6329 6330 dummy_mcg.func = ibcm_dummy_mcg_handler; 6331 6332 IBTF_DPRINTF_L5(cmlog, "ibcm_dummy_mcg_handler: " 6333 "dummy_mcg.func %p", dummy_mcg.func); 6334 } 6335 6336 6337 /* ARGSUSED */ 6338 static void 6339 ibcm_dummy_recycle_rc_handler(ibt_status_t retval, void *arg) 6340 { 6341 ibcm_taskq_recycle_arg_t dummy_rc_recycle; 6342 6343 dummy_rc_recycle.func = ibcm_dummy_recycle_rc_handler; 6344 6345 IBTF_DPRINTF_L5(cmlog, "ibcm_dummy_recycle_rc_handler: " 6346 "dummy_rc_recycle.func %p", dummy_rc_recycle.func); 6347 } 6348 6349 6350 /* ARGSUSED */ 6351 static ibt_cm_status_t 6352 ibcm_dummy_ud_handler(void *priv, ibt_cm_ud_event_t *event, 6353 ibt_cm_ud_return_args_t *ret_args, 6354 void *priv_data, ibt_priv_data_len_t len) 6355 { 6356 /* 6357 * Let warlock see that ibcm_local_handler_s::actual_cm_handler 6358 * points to this routine. 6359 */ 6360 ibcm_local_handler_t p; 6361 ibcm_ud_state_data_t dummy_ud; 6362 6363 p.actual_cm_handler = ibcm_dummy_ud_handler; 6364 dummy_ud.ud_cm_handler = ibcm_dummy_ud_handler; 6365 6366 IBTF_DPRINTF_L5(cmlog, "ibcm_dummy_ud_handler: p.actual_cm_handler %p" 6367 "dummy_ud.ud_cm_handler %p", p.actual_cm_handler, 6368 dummy_ud.ud_cm_handler); 6369 /* 6370 * Call all routines that the client's callback routine could call. 6371 */ 6372 6373 return (IBT_CM_ACCEPT); 6374 } 6375 6376 /* ARGSUSED */ 6377 static ibt_cm_status_t 6378 ibcm_dummy_rc_handler(void *priv, ibt_cm_event_t *event, 6379 ibt_cm_return_args_t *ret_args, void *priv_data, ibt_priv_data_len_t len) 6380 { 6381 ibcm_state_data_t dummy_rc; 6382 6383 dummy_rc.cm_handler = ibcm_dummy_rc_handler; 6384 6385 IBTF_DPRINTF_L5(cmlog, "ibcm_dummy_rc_handler: " 6386 "dummy_ud.ud_cm_handler %p", dummy_rc.cm_handler); 6387 /* 6388 * Call all routines that the client's callback routine could call. 6389 */ 6390 6391 return (IBT_CM_ACCEPT); 6392 } 6393