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 2008 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 #pragma ident "%Z%%M% %I% %E% SMI" 27 28 #include <sys/ib/mgt/ibcm/ibcm_impl.h> 29 #include <sys/ib/ibtl/ibti.h> 30 #include <sys/ib/mgt/ibcm/ibcm_arp.h> 31 32 /* 33 * ibcm_ti.c 34 * These routines implement the Communication Manager's interfaces to IBTL. 35 */ 36 37 /* CM rc recycle task args structure definition */ 38 typedef struct ibcm_taskq_recycle_arg_s { 39 ibt_channel_hdl_t rc_chan; 40 ibt_cep_flags_t control; 41 uint8_t hca_port_num; 42 ibt_recycle_handler_t func; 43 void *arg; 44 } ibcm_taskq_recycle_arg_t; 45 46 _NOTE(READ_ONLY_DATA(ibcm_taskq_recycle_arg_s)) 47 48 static ibt_status_t ibcm_init_reply_addr(ibcm_hca_info_t *hcap, 49 ibcm_mad_addr_t *reply_addr, ibt_chan_open_args_t *chan_args, 50 ibt_chan_open_flags_t flags, ib_time_t *cm_pkt_lt, ib_lid_t prim_slid); 51 static void ibcm_process_abort_via_taskq(void *args); 52 static ibt_status_t ibcm_process_rc_recycle_ret(void *recycle_arg); 53 static ibt_status_t ibcm_process_join_mcg(void *taskq_arg); 54 static void ibcm_process_async_join_mcg(void *tq_arg); 55 56 static ibt_status_t ibcm_get_node_rec(ibmf_saa_handle_t, sa_node_record_t *, 57 uint64_t c_mask, void *, size_t *); 58 59 static ibt_status_t ibcm_close_rc_channel(ibt_channel_hdl_t channel, 60 ibcm_state_data_t *statep, ibt_execution_mode_t mode); 61 62 /* Address Record management definitions */ 63 #define IBCM_DAPL_ATS_NAME "DAPL Address Translation Service" 64 #define IBCM_DAPL_ATS_SID 0x10000CE100415453ULL 65 #define IBCM_DAPL_ATS_NBYTES 16 66 ibcm_svc_info_t *ibcm_ar_svcinfop; 67 ibcm_ar_t *ibcm_ar_list; 68 69 /* 70 * Tunable parameter to turnoff the overriding of pi_path_mtu value. 71 * 1 By default override the path record's pi_path_mtu value to 72 * IB_MTU_1K for all RC channels. This is done only for the 73 * channels established on Tavor HCA and the path's pi_path_mtu 74 * is greater than IB_MTU_1K. 75 * 0 Do not override, use pi_path_mtu by default. 76 */ 77 int ibcm_override_path_mtu = 1; 78 79 #ifdef DEBUG 80 static void ibcm_print_reply_addr(ibt_channel_hdl_t channel, 81 ibcm_mad_addr_t *cm_reply_addr); 82 #endif 83 84 _NOTE(DATA_READABLE_WITHOUT_LOCK(ibcm_port_info_s::{port_ibmf_hdl})) 85 86 /* access is controlled between ibcm_sm.c and ibcm_ti.c by CVs */ 87 _NOTE(SCHEME_PROTECTS_DATA("Serialized access by CV", {ibt_rc_returns_t 88 ibt_ud_returns_t ibt_ap_returns_t ibt_ar_t})) 89 90 /* 91 * Typically, clients initialize these args in one api call, and use in 92 * another api 93 */ 94 _NOTE(SCHEME_PROTECTS_DATA("Expected usage of ibtl api by client", 95 {ibt_path_info_s ibt_cep_path_s ibt_adds_vect_s ibt_mcg_info_s ib_gid_s 96 ibt_ud_dest_attr_s ibt_ud_dest_s ibt_srv_data_s ibt_redirect_info_s})) 97 98 /* 99 * ibt_open_rc_channel() 100 * ibt_open_rc_channel opens a communication channel on the specified 101 * channel to the specified service. For connection service type qp's 102 * the CM initiates the CEP to establish the connection and transitions 103 * the QP/EEC to the "Ready to send" State modifying the QP/EEC's 104 * attributes as necessary. 105 * The implementation of this function assumes that alt path is different 106 * from primary path. It is assumed that the Path functions ensure that. 107 * 108 * RETURN VALUES: 109 * IBT_SUCCESS on success (or respective failure on error) 110 */ 111 ibt_status_t 112 ibt_open_rc_channel(ibt_channel_hdl_t channel, ibt_chan_open_flags_t flags, 113 ibt_execution_mode_t mode, ibt_chan_open_args_t *chan_args, 114 ibt_rc_returns_t *ret_args) 115 { 116 /* all fields that are related to REQ MAD formation */ 117 118 ib_pkey_t prim_pkey; 119 ib_lid_t primary_slid, alternate_slid; 120 ib_qpn_t local_qpn = 0; 121 ib_guid_t hca_guid; 122 ib_qkey_t local_qkey = 0; 123 ib_eecn_t local_eecn = 0; 124 ib_eecn_t remote_eecn = 0; 125 boolean_t primary_grh; 126 boolean_t alternate_grh = B_FALSE; 127 ib_lid_t base_lid; 128 ib_com_id_t local_comid; 129 ibmf_msg_t *ibmf_msg, *ibmf_msg_dreq; 130 ibcm_req_msg_t *req_msgp; 131 132 uint8_t rdma_in, rdma_out; 133 uint8_t cm_retries; 134 uint64_t local_cm_proc_time; /* In usec */ 135 uint8_t local_cm_resp_time; /* IB time */ 136 uint64_t remote_cm_resp_time; /* In usec */ 137 uint32_t starting_psn = 0; 138 139 /* CM path related fields */ 140 ibmf_handle_t ibmf_hdl; 141 ibcm_qp_list_t *cm_qp_entry; 142 ibcm_mad_addr_t cm_reply_addr; 143 144 uint8_t cm_pkt_lt; 145 146 /* Local args for ibtl/internal CM functions called within */ 147 ibt_status_t status; 148 ibcm_status_t lkup_status; 149 ibt_qp_query_attr_t qp_query_attr; 150 151 /* Other misc local args */ 152 ibt_priv_data_len_t len; 153 ibcm_hca_info_t *hcap; 154 ibcm_state_data_t *statep; 155 uint8_t port_no; 156 157 IBTF_DPRINTF_L3(cmlog, "ibt_open_rc_channel(chan %p, %X, %x, %p, %p)", 158 channel, flags, mode, chan_args, ret_args); 159 160 if (IBCM_INVALID_CHANNEL(channel)) { 161 IBTF_DPRINTF_L2(cmlog, "ibt_open_rc_channel: invalid channel"); 162 return (IBT_CHAN_HDL_INVALID); 163 } 164 165 /* cm handler should always be specified */ 166 if (chan_args->oc_cm_handler == NULL) { 167 IBTF_DPRINTF_L2(cmlog, "ibt_open_rc_channel: chan 0x%p " 168 "CM handler is not be specified", channel); 169 return (IBT_INVALID_PARAM); 170 } 171 172 if (mode == IBT_NONBLOCKING) { 173 if (ret_args != NULL) { 174 IBTF_DPRINTF_L2(cmlog, "ibt_open_rc_channel: chan 0x%p" 175 " ret_args should be NULL when called in " 176 "non-blocking mode", channel); 177 return (IBT_INVALID_PARAM); 178 } 179 } else if (mode == IBT_BLOCKING) { 180 if (ret_args == NULL) { 181 IBTF_DPRINTF_L2(cmlog, "ibt_open_rc_channel: chan 0x%p" 182 " ret_args should be Non-NULL when called in " 183 "blocking mode", channel); 184 return (IBT_INVALID_PARAM); 185 } 186 if (ret_args->rc_priv_data_len > IBT_REP_PRIV_DATA_SZ) { 187 IBTF_DPRINTF_L2(cmlog, "ibt_open_rc_channel: chan 0x%p" 188 " private data length is too large", channel); 189 return (IBT_INVALID_PARAM); 190 } 191 if ((ret_args->rc_priv_data_len > 0) && 192 (ret_args->rc_priv_data == NULL)) { 193 IBTF_DPRINTF_L2(cmlog, "ibt_open_rc_channel: chan 0x%p" 194 " rc_priv_data_len > 0, but rc_priv_data NULL", 195 channel); 196 return (IBT_INVALID_PARAM); 197 } 198 } else { /* any other mode is not valid for ibt_open_rc_channel */ 199 IBTF_DPRINTF_L2(cmlog, "ibt_open_rc_channel: chan 0x%p " 200 "invalid mode %x specified", channel, mode); 201 return (IBT_INVALID_PARAM); 202 } 203 204 /* 205 * XXX: no support yet for ibt_chan_open_flags_t - IBT_OCHAN_DUP 206 */ 207 if (flags & IBT_OCHAN_DUP) { 208 IBTF_DPRINTF_L2(cmlog, "ibt_open_rc_channel: chan 0x%p " 209 "Unsupported Flags specified: 0x%X", channel, flags); 210 return (IBT_INVALID_PARAM); 211 } 212 213 if ((flags & IBT_OCHAN_REDIRECTED) && 214 (flags & IBT_OCHAN_PORT_REDIRECTED)) { 215 IBTF_DPRINTF_L2(cmlog, "ibt_open_rc_channel: chan 0x%p " 216 "Illegal to specify IBT_OCHAN_REDIRECTED and " 217 "IBT_OCHAN_PORT_REDIRECTED flags together", channel); 218 return (IBT_INVALID_PARAM); 219 } 220 221 if (((flags & IBT_OCHAN_REDIRECTED) && 222 (chan_args->oc_cm_redirect_info == NULL)) || 223 ((flags & IBT_OCHAN_PORT_REDIRECTED) && 224 (chan_args->oc_cm_cep_path == NULL))) { 225 IBTF_DPRINTF_L2(cmlog, "ibt_open_rc_channel: chan 0x%p " 226 "Redirect flag specified, but respective arg is NULL", 227 channel); 228 return (IBT_INVALID_PARAM); 229 } 230 231 if ((flags & IBT_OCHAN_REDIRECTED) && 232 (chan_args->oc_cm_redirect_info->rdi_dlid == 0) && 233 (chan_args->oc_cm_redirect_info->rdi_gid.gid_guid == 0)) { 234 IBTF_DPRINTF_L2(cmlog, "ibt_open_rc_channel: chan 0x%p " 235 "Either rdi_dlid or rdi_gid must be specified for" 236 " IBT_OCHAN_REDIRECTED", channel); 237 return (IBT_INVALID_PARAM); 238 } 239 240 /* primary dlid and hca_port_num should never be zero */ 241 port_no = IBCM_PRIM_CEP_PATH(chan_args).cep_hca_port_num; 242 243 if ((IBCM_PRIM_ADDS_VECT(chan_args).av_dlid == 0) && (port_no == 0)) { 244 IBTF_DPRINTF_L2(cmlog, "ibt_open_rc_channel: chan 0x%p " 245 "Primary Path's information is not valid", channel); 246 return (IBT_INVALID_PARAM); 247 } 248 249 /* validate SID */ 250 if (chan_args->oc_path->pi_sid == 0) { 251 IBTF_DPRINTF_L2(cmlog, "ibt_open_rc_channel: chan 0x%p " 252 "ERROR: Service ID in path information is 0", channel); 253 return (IBT_INVALID_PARAM); 254 } 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, %p, %llx, %d)", 2455 ibt_hdl, srv, (longlong_t)sid, num_sids); 2456 2457 _NOTE(NOW_INVISIBLE_TO_OTHER_THREADS(*svcinfop)) 2458 2459 *srv_hdl = NULL; 2460 2461 if (num_sids <= 0) { 2462 IBTF_DPRINTF_L2(cmlog, "ibt_register_service: " 2463 "Invalid number of service-ids specified (%d)", num_sids); 2464 return (IBT_INVALID_PARAM); 2465 } 2466 2467 if (sid == 0) { 2468 if (ret_sid == NULL) 2469 return (IBT_INVALID_PARAM); 2470 sid = ibcm_alloc_local_sids(num_sids); 2471 if (sid == 0) 2472 return (IBT_INSUFF_KERNEL_RESOURCE); 2473 2474 /* Make sure that the ServiceId specified is not of LOCAL AGN type. */ 2475 } else if ((sid & IB_SID_AGN_MASK) == IB_SID_AGN_LOCAL) { 2476 IBTF_DPRINTF_L2(cmlog, "ibt_register_service: " 2477 "Invalid non-LOCAL SID specified: 0x%llX", 2478 (longlong_t)sid); 2479 return (IBT_INVALID_PARAM); 2480 } 2481 2482 svcinfop = ibcm_create_svc_entry(sid, num_sids); 2483 2484 if (svcinfop == NULL) { 2485 IBTF_DPRINTF_L2(cmlog, "ibt_register_service: " 2486 "Service-ID 0x%llx already registered", (longlong_t)sid); 2487 return (IBT_CM_SERVICE_EXISTS); 2488 } 2489 2490 /* 2491 * 'sid' and 'num_sids' are filled in ibcm_create_svc_entry() 2492 */ 2493 svcinfop->svc_flags = srv->sd_flags; 2494 svcinfop->svc_rc_handler = srv->sd_handler; 2495 svcinfop->svc_ud_handler = srv->sd_ud_handler; 2496 2497 if (ret_sid != NULL) 2498 *ret_sid = sid; 2499 2500 *srv_hdl = svcinfop; 2501 2502 ibtl_cm_change_service_cnt(ibt_hdl, num_sids); 2503 2504 /* If this message isn't seen, then ibt_register_service failed. */ 2505 IBTF_DPRINTF_L2(cmlog, "ibt_register_service: done (%p, %llX)", 2506 svcinfop, sid); 2507 2508 _NOTE(NOW_VISIBLE_TO_OTHER_THREADS(*svcinfop)) 2509 2510 return (IBT_SUCCESS); 2511 } 2512 2513 2514 static ibt_status_t 2515 ibcm_write_service_record(ibmf_saa_handle_t saa_handle, 2516 sa_service_record_t *srv_recp, ibmf_saa_access_type_t saa_type) 2517 { 2518 int rval; 2519 int retry; 2520 2521 ibcm_sa_access_enter(); 2522 for (retry = 0; retry < ibcm_max_sa_retries; retry++) { 2523 rval = ibmf_saa_update_service_record( 2524 saa_handle, srv_recp, saa_type, 0); 2525 if (rval != IBMF_TRANS_TIMEOUT) { 2526 break; 2527 } 2528 IBTF_DPRINTF_L2(cmlog, "ibcm_write_service_record: " 2529 "ibmf_saa_update_service_record timed out" 2530 " SID = %llX, rval = %d, saa_type = %d", 2531 (longlong_t)srv_recp->ServiceID, rval, saa_type); 2532 delay(ibcm_sa_timeout_delay); 2533 } 2534 ibcm_sa_access_exit(); 2535 2536 if (rval != IBMF_SUCCESS) { 2537 IBTF_DPRINTF_L2(cmlog, "ibcm_write_service_record: " 2538 "ibmf_saa_update_service_record() : Failed - %d", rval); 2539 return (ibcm_ibmf_analyze_error(rval)); 2540 } else 2541 return (IBT_SUCCESS); 2542 } 2543 2544 2545 static void 2546 ibcm_rem_stale_srec(ibmf_saa_handle_t saa_handle, sa_service_record_t *srec) 2547 { 2548 ibt_status_t retval; 2549 uint_t num_found; 2550 size_t length; 2551 sa_service_record_t *srv_resp; 2552 void *results_p; 2553 uint_t i; 2554 uint64_t component_mask; 2555 ibmf_saa_access_args_t access_args; 2556 2557 component_mask = 2558 SA_SR_COMPMASK_PKEY | SA_SR_COMPMASK_NAME | SA_SR_COMPMASK_GID; 2559 2560 /* Call in SA Access retrieve routine to get Service Records. */ 2561 access_args.sq_attr_id = SA_SERVICERECORD_ATTRID; 2562 access_args.sq_access_type = IBMF_SAA_RETRIEVE; 2563 access_args.sq_component_mask = component_mask; 2564 access_args.sq_template = srec; 2565 access_args.sq_template_length = sizeof (sa_service_record_t); 2566 access_args.sq_callback = NULL; 2567 access_args.sq_callback_arg = NULL; 2568 2569 retval = ibcm_contact_sa_access(saa_handle, &access_args, &length, 2570 &results_p); 2571 if (retval != IBT_SUCCESS) { 2572 IBTF_DPRINTF_L2(cmlog, "ibcm_rem_stale_srec: " 2573 "SA Access Failure"); 2574 return; 2575 } 2576 2577 num_found = length / sizeof (sa_service_record_t); 2578 2579 if (num_found) 2580 IBTF_DPRINTF_L3(cmlog, "ibcm_rem_stale_srec: " 2581 "Found %d matching Service Records.", num_found); 2582 2583 /* Validate the returned number of records. */ 2584 if ((results_p != NULL) && (num_found > 0)) { 2585 2586 /* Remove all the records. */ 2587 for (i = 0; i < num_found; i++) { 2588 2589 srv_resp = (sa_service_record_t *) 2590 ((uchar_t *)results_p + 2591 i * sizeof (sa_service_record_t)); 2592 2593 /* 2594 * Found some matching records, but check out whether 2595 * this Record is really stale or just happens to match 2596 * the current session records. If yes, don't remove it. 2597 */ 2598 mutex_enter(&ibcm_svc_info_lock); 2599 if (ibcm_find_svc_entry(srv_resp->ServiceID) != NULL) { 2600 /* This record is NOT STALE. */ 2601 mutex_exit(&ibcm_svc_info_lock); 2602 IBTF_DPRINTF_L3(cmlog, "ibcm_rem_stale_srec: " 2603 "This is not Stale, it's an active record"); 2604 continue; 2605 } 2606 mutex_exit(&ibcm_svc_info_lock); 2607 2608 IBTF_DPRINTF_L2(cmlog, "ibcm_rem_stale_srec: " 2609 "Removing Stale Rec: %s, %llX", 2610 srv_resp->ServiceName, srv_resp->ServiceID); 2611 2612 IBCM_DUMP_SERVICE_REC(srv_resp); 2613 2614 /* 2615 * Remove the Service Record Entry from SA. 2616 * 2617 * Get ServiceID info from Response Buf, other 2618 * attributes are already filled-in. 2619 */ 2620 2621 _NOTE(NOW_INVISIBLE_TO_OTHER_THREADS(srec->ServiceID)) 2622 2623 srec->ServiceID = srv_resp->ServiceID; 2624 2625 _NOTE(NOW_VISIBLE_TO_OTHER_THREADS(srec->ServiceID)) 2626 2627 (void) ibcm_write_service_record(saa_handle, srec, 2628 IBMF_SAA_DELETE); 2629 } 2630 2631 /* Deallocate the memory for results_p. */ 2632 kmem_free(results_p, length); 2633 } 2634 } 2635 2636 2637 2638 /* 2639 * ibt_bind_service() 2640 * Register a service with the IBCM 2641 * 2642 * INPUTS: 2643 * srv_hdl The service id handle returned to the client 2644 * on an ibt_service_register() call. 2645 * 2646 * gid The GID to which to bind the service. 2647 * 2648 * srv_bind The address of a ibt_srv_bind_t that describes 2649 * the service record. This should be NULL if there 2650 * is to be no service record. This contains: 2651 * 2652 * sb_lease Lease period 2653 * sb_pkey Partition 2654 * sb_name pointer to ASCII string Service Name, 2655 * NULL terminated. 2656 * sb_key[] Key to secure the service record. 2657 * sb_data Service Data structure (64-byte) 2658 * 2659 * cm_private First argument of Service handler. 2660 * 2661 * sb_hdl_p The address of a service bind handle, used 2662 * to undo the service binding. 2663 * 2664 * ibt_bind_service() returns: 2665 * IBT_SUCCESS - added a service successfully. 2666 * IBT_INVALID_PARAM - invalid input parameter. 2667 * IBT_CM_FAILURE - failed to add the service. 2668 * IBT_CM_SERVICE_EXISTS - service already exists. 2669 */ 2670 ibt_status_t 2671 ibt_bind_service(ibt_srv_hdl_t srv_hdl, ib_gid_t gid, ibt_srv_bind_t *srv_bind, 2672 void *cm_private, ibt_sbind_hdl_t *sb_hdl_p) 2673 { 2674 ibt_status_t status; 2675 ibtl_cm_hca_port_t port; 2676 ibcm_svc_bind_t *sbindp, *sbp; 2677 ibcm_hca_info_t *hcap; 2678 ib_svc_id_t sid, start_sid, end_sid; 2679 ibmf_saa_handle_t saa_handle; 2680 sa_service_record_t srv_rec; 2681 uint16_t pkey_ix; 2682 2683 if (sb_hdl_p != NULL) 2684 *sb_hdl_p = NULL; /* return value for error cases */ 2685 2686 IBTF_DPRINTF_L2(cmlog, "ibt_bind_service: srv_hdl %p, gid (%llX:%llX)", 2687 srv_hdl, (longlong_t)gid.gid_prefix, (longlong_t)gid.gid_guid); 2688 2689 _NOTE(NOW_INVISIBLE_TO_OTHER_THREADS(*sbindp)) 2690 2691 /* Call ibtl_cm_get_hca_port to get the port number and the HCA GUID. */ 2692 if ((status = ibtl_cm_get_hca_port(gid, 0, &port)) != IBT_SUCCESS) { 2693 IBTF_DPRINTF_L2(cmlog, "ibt_bind_service: " 2694 "ibtl_cm_get_hca_port failed: %d", status); 2695 return (status); 2696 } 2697 IBTF_DPRINTF_L4(cmlog, "ibt_bind_service: Port:%d HCA GUID:%llX", 2698 port.hp_port, port.hp_hca_guid); 2699 2700 hcap = ibcm_find_hca_entry(port.hp_hca_guid); 2701 if (hcap == NULL) { 2702 IBTF_DPRINTF_L2(cmlog, "ibt_bind_service: NO HCA found"); 2703 return (IBT_HCA_BUSY_DETACHING); 2704 } 2705 IBTF_DPRINTF_L4(cmlog, "ibt_bind_service: hcap = %p", hcap); 2706 2707 if (srv_bind != NULL) { 2708 saa_handle = ibcm_get_saa_handle(hcap, port.hp_port); 2709 if (saa_handle == NULL) { 2710 IBTF_DPRINTF_L2(cmlog, "ibt_bind_service: " 2711 "saa_handle is NULL"); 2712 ibcm_dec_hca_acc_cnt(hcap); 2713 return (IBT_HCA_PORT_NOT_ACTIVE); 2714 } 2715 if (srv_bind->sb_pkey == 0) { 2716 IBTF_DPRINTF_L2(cmlog, "ibt_bind_service: " 2717 "P_Key must not be 0"); 2718 ibcm_dec_hca_acc_cnt(hcap); 2719 return (IBT_INVALID_PARAM); 2720 } 2721 if (strlen(srv_bind->sb_name) >= IB_SVC_NAME_LEN) { 2722 IBTF_DPRINTF_L2(cmlog, "ibt_bind_service: " 2723 "Service Name is too long"); 2724 ibcm_dec_hca_acc_cnt(hcap); 2725 return (IBT_INVALID_PARAM); 2726 } else 2727 IBTF_DPRINTF_L3(cmlog, "ibt_bind_service: " 2728 "Service Name='%s'", srv_bind->sb_name); 2729 status = ibt_pkey2index_byguid(port.hp_hca_guid, 2730 port.hp_port, srv_bind->sb_pkey, &pkey_ix); 2731 if (status != IBT_SUCCESS) { 2732 IBTF_DPRINTF_L2(cmlog, "ibt_bind_service: " 2733 "P_Key 0x%x not found in P_Key_Table", 2734 srv_bind->sb_pkey); 2735 ibcm_dec_hca_acc_cnt(hcap); 2736 return (status); 2737 } 2738 } 2739 2740 /* assume success - allocate before locking */ 2741 sbindp = kmem_zalloc(sizeof (*sbindp), KM_SLEEP); 2742 sbindp->sbind_cm_private = cm_private; 2743 sbindp->sbind_gid = gid; 2744 sbindp->sbind_hcaguid = port.hp_hca_guid; 2745 sbindp->sbind_port = port.hp_port; 2746 2747 mutex_enter(&ibcm_svc_info_lock); 2748 2749 sbp = srv_hdl->svc_bind_list; 2750 while (sbp != NULL) { 2751 if (sbp->sbind_gid.gid_guid == gid.gid_guid && 2752 sbp->sbind_gid.gid_prefix == gid.gid_prefix) { 2753 if (srv_bind == NULL || 2754 srv_bind->sb_pkey == sbp->sbind_pkey) { 2755 IBTF_DPRINTF_L2(cmlog, "ibt_bind_service: " 2756 "failed: GID %llX:%llX and PKEY %x is " 2757 "already bound", gid.gid_prefix, 2758 gid.gid_guid, sbp->sbind_pkey); 2759 mutex_exit(&ibcm_svc_info_lock); 2760 ibcm_dec_hca_acc_cnt(hcap); 2761 kmem_free(sbindp, sizeof (*sbindp)); 2762 return (IBT_CM_SERVICE_EXISTS); 2763 } 2764 } 2765 sbp = sbp->sbind_link; 2766 } 2767 /* no entry found */ 2768 2769 sbindp->sbind_link = srv_hdl->svc_bind_list; 2770 srv_hdl->svc_bind_list = sbindp; 2771 2772 mutex_exit(&ibcm_svc_info_lock); 2773 2774 if (srv_bind != NULL) { 2775 bzero(&srv_rec, sizeof (srv_rec)); 2776 2777 srv_rec.ServiceLease = 2778 sbindp->sbind_lease = srv_bind->sb_lease; 2779 srv_rec.ServiceP_Key = 2780 sbindp->sbind_pkey = srv_bind->sb_pkey; 2781 srv_rec.ServiceKey_hi = 2782 sbindp->sbind_key[0] = srv_bind->sb_key[0]; 2783 srv_rec.ServiceKey_lo = 2784 sbindp->sbind_key[1] = srv_bind->sb_key[1]; 2785 (void) strcpy(sbindp->sbind_name, srv_bind->sb_name); 2786 (void) strcpy((char *)srv_rec.ServiceName, srv_bind->sb_name); 2787 srv_rec.ServiceGID = gid; 2788 2789 /* 2790 * Find out whether we have any stale Local Service records 2791 * matching the current attributes. If yes, we shall try to 2792 * remove them from SA using the current request's ServiceKey. 2793 * 2794 * We will perform this operation only for Local Services, as 2795 * it is handled by SA automatically for WellKnown Services. 2796 * 2797 * Ofcourse, clients can specify NOT to do this clean-up by 2798 * setting IBT_SBIND_NO_CLEANUP flag (srv_bind->sb_flag). 2799 */ 2800 if ((srv_hdl->svc_id & IB_SID_AGN_LOCAL) && 2801 (!(srv_bind->sb_flag & IBT_SBIND_NO_CLEANUP))) { 2802 ibcm_rem_stale_srec(saa_handle, &srv_rec); 2803 } 2804 2805 /* Handle endianess for service data. */ 2806 ibcm_swizzle_from_srv(&srv_bind->sb_data, sbindp->sbind_data); 2807 2808 bcopy(sbindp->sbind_data, srv_rec.ServiceData, IB_SVC_DATA_LEN); 2809 2810 /* insert srv record into the SA */ 2811 start_sid = srv_hdl->svc_id; 2812 end_sid = start_sid + srv_hdl->svc_num_sids - 1; 2813 for (sid = start_sid; sid <= end_sid; sid++) { 2814 2815 srv_rec.ServiceID = sid; 2816 2817 IBCM_DUMP_SERVICE_REC(&srv_rec); 2818 2819 IBTF_DPRINTF_L4(cmlog, "ibt_bind_service: " 2820 "ibmf_saa_write_service_record, SvcId = %llX", 2821 (longlong_t)sid); 2822 2823 status = ibcm_write_service_record(saa_handle, &srv_rec, 2824 IBMF_SAA_UPDATE); 2825 if (status != IBT_SUCCESS) { 2826 IBTF_DPRINTF_L2(cmlog, "ibt_bind_service:" 2827 " ibcm_write_service_record fails %d, " 2828 "sid %llX", status, (longlong_t)sid); 2829 2830 if (sid != start_sid) { 2831 /* 2832 * Bind failed while bind SID other than 2833 * first in the sid_range. So we need 2834 * to unbind those, which are passed. 2835 * 2836 * Need to increment svc count to 2837 * compensate for ibt_unbind_service(). 2838 */ 2839 ibcm_inc_hca_svc_cnt(hcap); 2840 ibcm_dec_hca_acc_cnt(hcap); 2841 2842 (void) ibt_unbind_service(srv_hdl, 2843 sbindp); 2844 } else { 2845 ibcm_svc_bind_t **sbpp; 2846 2847 /* 2848 * Bind failed for the first SID or the 2849 * only SID in question, then no need 2850 * to unbind, just free memory and 2851 * return error. 2852 */ 2853 mutex_enter(&ibcm_svc_info_lock); 2854 2855 sbpp = &srv_hdl->svc_bind_list; 2856 sbp = *sbpp; 2857 while (sbp != NULL) { 2858 if (sbp == sbindp) { 2859 *sbpp = sbp->sbind_link; 2860 break; 2861 } 2862 sbpp = &sbp->sbind_link; 2863 sbp = *sbpp; 2864 } 2865 mutex_exit(&ibcm_svc_info_lock); 2866 ibcm_dec_hca_acc_cnt(hcap); 2867 2868 kmem_free(sbindp, sizeof (*sbindp)); 2869 } 2870 return (status); 2871 } 2872 } 2873 } 2874 ibcm_inc_hca_svc_cnt(hcap); 2875 ibcm_dec_hca_acc_cnt(hcap); 2876 2877 /* If this message isn't seen then ibt_bind_service failed */ 2878 IBTF_DPRINTF_L2(cmlog, "ibt_bind_service: DONE (%p, %llX:%llX)", 2879 srv_hdl, gid.gid_prefix, gid.gid_guid); 2880 2881 if (sb_hdl_p != NULL) 2882 *sb_hdl_p = sbindp; 2883 2884 _NOTE(NOW_VISIBLE_TO_OTHER_THREADS(*sbindp)) 2885 2886 return (IBT_SUCCESS); 2887 } 2888 2889 ibt_status_t 2890 ibt_unbind_service(ibt_srv_hdl_t srv_hdl, ibt_sbind_hdl_t sbindp) 2891 { 2892 ib_svc_id_t sid, end_sid; 2893 ibt_status_t rval; 2894 ibcm_hca_info_t *hcap; 2895 ibcm_svc_bind_t *sbp, **sbpp; 2896 2897 IBTF_DPRINTF_L2(cmlog, "ibt_unbind_service(%p, %p)", 2898 srv_hdl, sbindp); 2899 2900 hcap = ibcm_find_hca_entry(sbindp->sbind_hcaguid); 2901 2902 /* If there is a service on hca, respective hcap cannot go away */ 2903 ASSERT(hcap != NULL); 2904 2905 mutex_enter(&ibcm_svc_info_lock); 2906 2907 sbpp = &srv_hdl->svc_bind_list; 2908 sbp = *sbpp; 2909 while (sbp != NULL) { 2910 if (sbp == sbindp) { 2911 *sbpp = sbp->sbind_link; 2912 break; 2913 } 2914 sbpp = &sbp->sbind_link; 2915 sbp = *sbpp; 2916 } 2917 sid = srv_hdl->svc_id; 2918 end_sid = srv_hdl->svc_id + srv_hdl->svc_num_sids - 1; 2919 if (sbp != NULL) 2920 while (sbp->sbind_rewrite_state == IBCM_REWRITE_BUSY) 2921 cv_wait(&ibcm_svc_info_cv, &ibcm_svc_info_lock); 2922 mutex_exit(&ibcm_svc_info_lock); 2923 2924 if (sbp == NULL) { 2925 IBTF_DPRINTF_L2(cmlog, "ibt_unbind_service: " 2926 "service binding not found: srv_hdl %p, srv_bind %p", 2927 srv_hdl, sbindp); 2928 ibcm_dec_hca_acc_cnt(hcap); 2929 return (IBT_INVALID_PARAM); 2930 } 2931 2932 if (sbindp->sbind_pkey != 0) { /* Are there service records? */ 2933 ibtl_cm_hca_port_t port; 2934 sa_service_record_t srv_rec; 2935 ibmf_saa_handle_t saa_handle; 2936 ibt_status_t status; 2937 2938 /* get the default SGID of the port */ 2939 if ((status = ibtl_cm_get_hca_port(sbindp->sbind_gid, 0, &port)) 2940 != IBT_SUCCESS) { 2941 IBTF_DPRINTF_L2(cmlog, "ibt_unbind_service: " 2942 "ibtl_cm_get_hca_port failed: %d", status); 2943 /* we're done, but there may be stale service records */ 2944 goto done; 2945 } 2946 2947 saa_handle = ibcm_get_saa_handle(hcap, port.hp_port); 2948 if (saa_handle == NULL) { 2949 IBTF_DPRINTF_L2(cmlog, "ibt_unbind_service: " 2950 "saa_handle is NULL"); 2951 /* we're done, but there may be stale service records */ 2952 goto done; 2953 } 2954 2955 /* Fill in fields of srv_rec */ 2956 bzero(&srv_rec, sizeof (srv_rec)); 2957 2958 srv_rec.ServiceP_Key = sbindp->sbind_pkey; 2959 srv_rec.ServiceKey_hi = sbindp->sbind_key[0]; 2960 srv_rec.ServiceKey_lo = sbindp->sbind_key[1]; 2961 srv_rec.ServiceGID = sbindp->sbind_gid; 2962 (void) strcpy((char *)srv_rec.ServiceName, sbindp->sbind_name); 2963 2964 while (sid <= end_sid) { 2965 2966 srv_rec.ServiceID = sid; 2967 IBCM_DUMP_SERVICE_REC(&srv_rec); 2968 2969 rval = ibcm_write_service_record(saa_handle, &srv_rec, 2970 IBMF_SAA_DELETE); 2971 2972 IBTF_DPRINTF_L4(cmlog, "ibt_unbind_service: " 2973 "ibcm_write_service_record rval = %d, SID %llx", 2974 rval, sid); 2975 if (rval != IBT_SUCCESS) { 2976 /* this is not considered a reason to fail */ 2977 IBTF_DPRINTF_L2(cmlog, "ibt_unbind_service: " 2978 "ibcm_write_service_record fails %d, " 2979 "sid %llx", rval, sid); 2980 } 2981 sid++; 2982 } 2983 } 2984 done: 2985 ibcm_dec_hca_svc_cnt(hcap); 2986 ibcm_dec_hca_acc_cnt(hcap); 2987 kmem_free(sbindp, sizeof (*sbindp)); 2988 2989 /* If this message isn't seen then ibt_unbind_service failed */ 2990 IBTF_DPRINTF_L2(cmlog, "ibt_unbind_service: done !!"); 2991 2992 return (IBT_SUCCESS); 2993 } 2994 2995 /* 2996 * Simply pull off each binding from the list and unbind it. 2997 * If any of the unbind calls fail, we fail. 2998 */ 2999 ibt_status_t 3000 ibt_unbind_all_services(ibt_srv_hdl_t srv_hdl) 3001 { 3002 ibt_status_t status; 3003 ibcm_svc_bind_t *sbp; 3004 3005 mutex_enter(&ibcm_svc_info_lock); 3006 sbp = NULL; 3007 3008 /* this compare keeps the loop from being infinite */ 3009 while (sbp != srv_hdl->svc_bind_list) { 3010 sbp = srv_hdl->svc_bind_list; 3011 mutex_exit(&ibcm_svc_info_lock); 3012 status = ibt_unbind_service(srv_hdl, sbp); 3013 if (status != IBT_SUCCESS) 3014 return (status); 3015 mutex_enter(&ibcm_svc_info_lock); 3016 if (srv_hdl->svc_bind_list == NULL) 3017 break; 3018 } 3019 mutex_exit(&ibcm_svc_info_lock); 3020 return (IBT_SUCCESS); 3021 } 3022 3023 /* 3024 * ibt_deregister_service() 3025 * Deregister a service with the IBCM 3026 * 3027 * INPUTS: 3028 * ibt_hdl The IBT client handle returned to the client 3029 * on an ibt_attach() call. 3030 * 3031 * srv_hdl The address of a service identification handle, used 3032 * to de-register a service. 3033 * RETURN VALUES: 3034 * IBT_SUCCESS on success (or respective failure on error) 3035 */ 3036 ibt_status_t 3037 ibt_deregister_service(ibt_clnt_hdl_t ibt_hdl, ibt_srv_hdl_t srv_hdl) 3038 { 3039 ibcm_svc_info_t *svcp; 3040 ibcm_svc_lookup_t svc; 3041 3042 IBTF_DPRINTF_L2(cmlog, "ibt_deregister_service(%p, %p)", 3043 ibt_hdl, srv_hdl); 3044 3045 mutex_enter(&ibcm_svc_info_lock); 3046 3047 if (srv_hdl->svc_bind_list != NULL) { 3048 IBTF_DPRINTF_L2(cmlog, "ibt_deregister_service:" 3049 " srv_hdl %p still has bindings", srv_hdl); 3050 mutex_exit(&ibcm_svc_info_lock); 3051 return (IBT_CM_SERVICE_BUSY); 3052 } 3053 svc.sid = srv_hdl->svc_id; 3054 svc.num_sids = 1; 3055 IBTF_DPRINTF_L3(cmlog, "ibt_deregister_service: SID 0x%llX, numsids %d", 3056 srv_hdl->svc_id, srv_hdl->svc_num_sids); 3057 3058 #ifdef __lock_lint 3059 ibcm_svc_compare(NULL, NULL); 3060 #endif 3061 svcp = avl_find(&ibcm_svc_avl_tree, &svc, NULL); 3062 if (svcp != srv_hdl) { 3063 mutex_exit(&ibcm_svc_info_lock); 3064 IBTF_DPRINTF_L2(cmlog, "ibt_deregister_service(): " 3065 "srv_hdl %p not found", srv_hdl); 3066 return (IBT_INVALID_PARAM); 3067 } 3068 avl_remove(&ibcm_svc_avl_tree, svcp); 3069 3070 /* wait for active REQ/SREQ handling to be done */ 3071 svcp->svc_to_delete = 1; 3072 while (svcp->svc_ref_cnt != 0) 3073 cv_wait(&ibcm_svc_info_cv, &ibcm_svc_info_lock); 3074 3075 mutex_exit(&ibcm_svc_info_lock); 3076 3077 if ((srv_hdl->svc_id & IB_SID_AGN_MASK) == IB_SID_AGN_LOCAL) 3078 ibcm_free_local_sids(srv_hdl->svc_id, srv_hdl->svc_num_sids); 3079 3080 ibtl_cm_change_service_cnt(ibt_hdl, -srv_hdl->svc_num_sids); 3081 kmem_free(srv_hdl, sizeof (*srv_hdl)); 3082 3083 /* If this message isn't seen then ibt_deregister_service failed */ 3084 IBTF_DPRINTF_L2(cmlog, "ibt_deregister_service: done !!"); 3085 3086 return (IBT_SUCCESS); 3087 } 3088 3089 ibcm_status_t 3090 ibcm_ar_init(void) 3091 { 3092 ib_svc_id_t sid = IBCM_DAPL_ATS_SID; 3093 ibcm_svc_info_t *tmp_svcp; 3094 3095 IBTF_DPRINTF_L3(cmlog, "ibcm_ar_init()"); 3096 3097 /* remove this special SID from the pool of available SIDs */ 3098 if ((tmp_svcp = ibcm_create_svc_entry(sid, 1)) == NULL) { 3099 IBTF_DPRINTF_L2(cmlog, "ibcm_ar_init: " 3100 "DAPL ATS SID 0x%llx already registered", (longlong_t)sid); 3101 return (IBCM_FAILURE); 3102 } 3103 mutex_enter(&ibcm_svc_info_lock); 3104 ibcm_ar_svcinfop = tmp_svcp; 3105 ibcm_ar_list = NULL; /* no address records registered yet */ 3106 mutex_exit(&ibcm_svc_info_lock); 3107 return (IBCM_SUCCESS); 3108 } 3109 3110 ibcm_status_t 3111 ibcm_ar_fini(void) 3112 { 3113 ibcm_ar_t *ar_list; 3114 ibcm_svc_info_t *tmp_svcp; 3115 3116 mutex_enter(&ibcm_svc_info_lock); 3117 ar_list = ibcm_ar_list; 3118 3119 if (ar_list == NULL && 3120 avl_numnodes(&ibcm_svc_avl_tree) == 1 && 3121 avl_first(&ibcm_svc_avl_tree) == ibcm_ar_svcinfop) { 3122 avl_remove(&ibcm_svc_avl_tree, ibcm_ar_svcinfop); 3123 tmp_svcp = ibcm_ar_svcinfop; 3124 mutex_exit(&ibcm_svc_info_lock); 3125 kmem_free(tmp_svcp, sizeof (*ibcm_ar_svcinfop)); 3126 return (IBCM_SUCCESS); 3127 } 3128 mutex_exit(&ibcm_svc_info_lock); 3129 return (IBCM_FAILURE); 3130 } 3131 3132 3133 /* 3134 * Return to the caller: 3135 * IBT_SUCCESS Found a perfect match. 3136 * *arpp is set to the record. 3137 * IBT_INCONSISTENT_AR Found a record that's inconsistent. 3138 * IBT_AR_NOT_REGISTERED Found no record with same GID/pkey and 3139 * found no record with same data. 3140 */ 3141 static ibt_status_t 3142 ibcm_search_ar(ibt_ar_t *arp, ibcm_ar_t **arpp) 3143 { 3144 ibcm_ar_t *tmp; 3145 int i; 3146 3147 ASSERT(MUTEX_HELD(&ibcm_svc_info_lock)); 3148 tmp = ibcm_ar_list; 3149 while (tmp != NULL) { 3150 if (tmp->ar.ar_gid.gid_prefix == arp->ar_gid.gid_prefix && 3151 tmp->ar.ar_gid.gid_guid == arp->ar_gid.gid_guid && 3152 tmp->ar.ar_pkey == arp->ar_pkey) { 3153 for (i = 0; i < IBCM_DAPL_ATS_NBYTES; i++) 3154 if (tmp->ar.ar_data[i] != arp->ar_data[i]) 3155 return (IBT_INCONSISTENT_AR); 3156 *arpp = tmp; 3157 return (IBT_SUCCESS); 3158 } else { 3159 /* if all the data bytes match, we have inconsistency */ 3160 for (i = 0; i < IBCM_DAPL_ATS_NBYTES; i++) 3161 if (tmp->ar.ar_data[i] != arp->ar_data[i]) 3162 break; 3163 if (i == IBCM_DAPL_ATS_NBYTES) 3164 return (IBT_INCONSISTENT_AR); 3165 /* try next address record */ 3166 } 3167 tmp = tmp->ar_link; 3168 } 3169 return (IBT_AR_NOT_REGISTERED); 3170 } 3171 3172 ibt_status_t 3173 ibt_register_ar(ibt_clnt_hdl_t ibt_hdl, ibt_ar_t *arp) 3174 { 3175 ibcm_ar_t *found; 3176 ibcm_ar_t *tmp; 3177 ibt_status_t status; 3178 ibt_status_t s1, s2; 3179 char *s; 3180 ibcm_ar_ref_t *hdlp; 3181 ibcm_ar_t *new; 3182 ibcm_ar_t **linkp; 3183 ibtl_cm_hca_port_t cm_port; 3184 uint16_t pkey_ix; 3185 ibcm_hca_info_t *hcap; 3186 ibmf_saa_handle_t saa_handle; 3187 sa_service_record_t *srv_recp; 3188 uint64_t gid_ored; 3189 3190 IBTF_DPRINTF_L2(cmlog, "ibt_register_ar: PKey 0x%X GID %llX:%llX", 3191 arp->ar_pkey, (longlong_t)arp->ar_gid.gid_prefix, 3192 (longlong_t)arp->ar_gid.gid_guid); 3193 3194 /* 3195 * If P_Key is 0, but GID is not, this query is invalid. 3196 * If GID is 0, but P_Key is not, this query is invalid. 3197 */ 3198 gid_ored = arp->ar_gid.gid_guid | arp->ar_gid.gid_prefix; 3199 if ((arp->ar_pkey == 0 && gid_ored != 0ULL) || 3200 (arp->ar_pkey != 0 && gid_ored == 0ULL)) { 3201 IBTF_DPRINTF_L2(cmlog, "ibt_register_ar: " 3202 "GID/P_Key is not valid"); 3203 return (IBT_INVALID_PARAM); 3204 } 3205 3206 /* assume success, so these might be needed */ 3207 hdlp = kmem_alloc(sizeof (*hdlp), KM_SLEEP); 3208 new = kmem_zalloc(sizeof (*new), KM_SLEEP); 3209 3210 mutex_enter(&ibcm_svc_info_lock); 3211 /* search for existing GID/pkey (there can be at most 1) */ 3212 status = ibcm_search_ar(arp, &found); 3213 if (status == IBT_INCONSISTENT_AR) { 3214 mutex_exit(&ibcm_svc_info_lock); 3215 kmem_free(new, sizeof (*new)); 3216 kmem_free(hdlp, sizeof (*hdlp)); 3217 IBTF_DPRINTF_L2(cmlog, "ibt_register_ar: " 3218 "address record is inconsistent with a known one"); 3219 return (IBT_INCONSISTENT_AR); 3220 } else if (status == IBT_SUCCESS) { 3221 if (found->ar_flags == IBCM_AR_INITING) { 3222 found->ar_waiters++; 3223 cv_wait(&found->ar_cv, &ibcm_svc_info_lock); 3224 found->ar_waiters--; 3225 } 3226 if (found->ar_flags == IBCM_AR_FAILED) { 3227 if (found->ar_waiters == 0) { 3228 cv_destroy(&found->ar_cv); 3229 kmem_free(found, sizeof (*found)); 3230 } 3231 mutex_exit(&ibcm_svc_info_lock); 3232 kmem_free(new, sizeof (*new)); 3233 kmem_free(hdlp, sizeof (*hdlp)); 3234 return (ibt_get_module_failure(IBT_FAILURE_IBCM, 0)); 3235 } 3236 hdlp->ar_ibt_hdl = ibt_hdl; 3237 hdlp->ar_ref_link = found->ar_ibt_hdl_list; 3238 found->ar_ibt_hdl_list = hdlp; 3239 mutex_exit(&ibcm_svc_info_lock); 3240 kmem_free(new, sizeof (*new)); 3241 ibtl_cm_change_service_cnt(ibt_hdl, 1); 3242 return (IBT_SUCCESS); 3243 } else { 3244 ASSERT(status == IBT_AR_NOT_REGISTERED); 3245 } 3246 hdlp->ar_ref_link = NULL; 3247 hdlp->ar_ibt_hdl = ibt_hdl; 3248 new->ar_ibt_hdl_list = hdlp; 3249 new->ar = *arp; 3250 new->ar_flags = IBCM_AR_INITING; 3251 new->ar_waiters = 0; 3252 cv_init(&new->ar_cv, NULL, CV_DEFAULT, NULL); 3253 new->ar_link = ibcm_ar_list; 3254 ibcm_ar_list = new; 3255 3256 /* verify GID/pkey is valid for a local port, etc. */ 3257 hcap = NULL; 3258 if ((s1 = ibtl_cm_get_hca_port(arp->ar_gid, 0, &cm_port)) 3259 != IBT_SUCCESS || 3260 (s2 = ibt_pkey2index_byguid(cm_port.hp_hca_guid, cm_port.hp_port, 3261 arp->ar_pkey, &pkey_ix)) != IBT_SUCCESS || 3262 (hcap = ibcm_find_hca_entry(cm_port.hp_hca_guid)) == NULL) { 3263 cv_destroy(&new->ar_cv); 3264 ibcm_ar_list = new->ar_link; 3265 mutex_exit(&ibcm_svc_info_lock); 3266 kmem_free(new, sizeof (*new)); 3267 kmem_free(hdlp, sizeof (*hdlp)); 3268 status = IBT_INVALID_PARAM; 3269 if (s1 == IBT_HCA_PORT_NOT_ACTIVE) { 3270 s = "PORT DOWN"; 3271 status = IBT_HCA_PORT_NOT_ACTIVE; 3272 } else if (s1 != IBT_SUCCESS) 3273 s = "GID not found"; 3274 else if (s2 != IBT_SUCCESS) 3275 s = "PKEY not found"; 3276 else 3277 s = "CM could not find its HCA entry"; 3278 IBTF_DPRINTF_L2(cmlog, "ibt_register_ar: %s, status = %d", 3279 s, status); 3280 return (status); 3281 } 3282 mutex_exit(&ibcm_svc_info_lock); 3283 saa_handle = ibcm_get_saa_handle(hcap, cm_port.hp_port); 3284 3285 /* create service record */ 3286 srv_recp = kmem_zalloc(sizeof (*srv_recp), KM_SLEEP); 3287 srv_recp->ServiceLease = 0xFFFFFFFF; /* infinite */ 3288 srv_recp->ServiceP_Key = arp->ar_pkey; 3289 srv_recp->ServiceKey_hi = 0xDA410000ULL; /* DAPL */ 3290 srv_recp->ServiceKey_lo = 0xA7500000ULL; /* ATS */ 3291 (void) strcpy((char *)srv_recp->ServiceName, IBCM_DAPL_ATS_NAME); 3292 srv_recp->ServiceGID = arp->ar_gid; 3293 bcopy(arp->ar_data, srv_recp->ServiceData, IBCM_DAPL_ATS_NBYTES); 3294 srv_recp->ServiceID = IBCM_DAPL_ATS_SID; 3295 3296 /* insert service record into the SA */ 3297 3298 IBCM_DUMP_SERVICE_REC(srv_recp); 3299 3300 if (saa_handle != NULL) 3301 status = ibcm_write_service_record(saa_handle, srv_recp, 3302 IBMF_SAA_UPDATE); 3303 else 3304 status = IBT_HCA_PORT_NOT_ACTIVE; 3305 3306 if (status != IBT_SUCCESS) { 3307 IBTF_DPRINTF_L2(cmlog, "ibt_register_ar: sa access fails %d, " 3308 "sid %llX", status, (longlong_t)srv_recp->ServiceID); 3309 IBTF_DPRINTF_L2(cmlog, "ibt_register_ar: FAILED for gid " 3310 "%llX:%llX pkey 0x%X", (longlong_t)arp->ar_gid.gid_prefix, 3311 (longlong_t)arp->ar_gid.gid_guid, arp->ar_pkey); 3312 3313 kmem_free(srv_recp, sizeof (*srv_recp)); 3314 kmem_free(hdlp, sizeof (*hdlp)); 3315 3316 mutex_enter(&ibcm_svc_info_lock); 3317 linkp = &ibcm_ar_list; 3318 tmp = *linkp; 3319 while (tmp != NULL) { 3320 if (tmp == new) { 3321 *linkp = new->ar_link; 3322 break; 3323 } 3324 linkp = &tmp->ar_link; 3325 tmp = *linkp; 3326 } 3327 if (new->ar_waiters > 0) { 3328 new->ar_flags = IBCM_AR_FAILED; 3329 cv_broadcast(&new->ar_cv); 3330 mutex_exit(&ibcm_svc_info_lock); 3331 } else { 3332 cv_destroy(&new->ar_cv); 3333 mutex_exit(&ibcm_svc_info_lock); 3334 kmem_free(new, sizeof (*new)); 3335 } 3336 ibcm_dec_hca_acc_cnt(hcap); 3337 IBTF_DPRINTF_L2(cmlog, "ibt_register_ar: " 3338 "IBMF_SAA failed to write address record"); 3339 } else { /* SUCCESS */ 3340 uint8_t *b; 3341 3342 IBTF_DPRINTF_L2(cmlog, "ibt_register_ar: SUCCESS for gid " 3343 "%llx:%llx pkey %x", (longlong_t)arp->ar_gid.gid_prefix, 3344 (longlong_t)arp->ar_gid.gid_guid, arp->ar_pkey); 3345 b = arp->ar_data; 3346 3347 IBTF_DPRINTF_L2(cmlog, "ibt_register_ar:" 3348 " data %d:%d:%d:%d:%d:%d:%d:%d:%d:%d:%d:%d:%d:%d:%d:%d", 3349 b[0], b[1], b[2], b[3], b[4], b[5], b[6], b[7], b[8], b[9], 3350 b[10], b[11], b[12], b[13], b[14], b[15]); 3351 mutex_enter(&ibcm_svc_info_lock); 3352 new->ar_srv_recp = srv_recp; 3353 new->ar_saa_handle = saa_handle; 3354 new->ar_port = cm_port.hp_port; 3355 new->ar_hcap = hcap; 3356 new->ar_flags = IBCM_AR_SUCCESS; 3357 if (new->ar_waiters > 0) 3358 cv_broadcast(&new->ar_cv); 3359 mutex_exit(&ibcm_svc_info_lock); 3360 ibtl_cm_change_service_cnt(ibt_hdl, 1); 3361 /* do not call ibcm_dec_hca_acc_cnt(hcap) until deregister */ 3362 } 3363 return (status); 3364 } 3365 3366 ibt_status_t 3367 ibt_deregister_ar(ibt_clnt_hdl_t ibt_hdl, ibt_ar_t *arp) 3368 { 3369 ibcm_ar_t *found; 3370 ibcm_ar_t *tmp; 3371 ibcm_ar_t **linkp; 3372 ibcm_ar_ref_t *hdlp; 3373 ibcm_ar_ref_t **hdlpp; 3374 ibt_status_t status; 3375 ibmf_saa_handle_t saa_handle; 3376 sa_service_record_t *srv_recp; 3377 uint64_t gid_ored; 3378 3379 IBTF_DPRINTF_L2(cmlog, "ibt_deregister_ar: pkey %x", arp->ar_pkey); 3380 IBTF_DPRINTF_L2(cmlog, "ibt_deregister_ar: gid %llx:%llx", 3381 (longlong_t)arp->ar_gid.gid_prefix, 3382 (longlong_t)arp->ar_gid.gid_guid); 3383 3384 /* 3385 * If P_Key is 0, but GID is not, this query is invalid. 3386 * If GID is 0, but P_Key is not, this query is invalid. 3387 */ 3388 gid_ored = arp->ar_gid.gid_guid | arp->ar_gid.gid_prefix; 3389 if ((arp->ar_pkey == 0 && gid_ored != 0ULL) || 3390 (arp->ar_pkey != 0 && gid_ored == 0ULL)) { 3391 IBTF_DPRINTF_L2(cmlog, "ibt_deregister_ar: " 3392 "GID/P_Key is not valid"); 3393 return (IBT_INVALID_PARAM); 3394 } 3395 3396 mutex_enter(&ibcm_svc_info_lock); 3397 /* search for existing GID/pkey (there can be at most 1) */ 3398 status = ibcm_search_ar(arp, &found); 3399 if (status == IBT_INCONSISTENT_AR || status == IBT_AR_NOT_REGISTERED) { 3400 mutex_exit(&ibcm_svc_info_lock); 3401 IBTF_DPRINTF_L2(cmlog, "ibt_deregister_ar: " 3402 "address record not found"); 3403 return (IBT_AR_NOT_REGISTERED); 3404 } 3405 ASSERT(status == IBT_SUCCESS); 3406 3407 hdlpp = &found->ar_ibt_hdl_list; 3408 hdlp = *hdlpp; 3409 while (hdlp != NULL) { 3410 if (hdlp->ar_ibt_hdl == ibt_hdl) 3411 break; 3412 hdlpp = &hdlp->ar_ref_link; 3413 hdlp = *hdlpp; 3414 } 3415 if (hdlp == NULL) { /* could not find ibt_hdl on list */ 3416 mutex_exit(&ibcm_svc_info_lock); 3417 IBTF_DPRINTF_L2(cmlog, "ibt_deregister_ar: " 3418 "address record found, but not for this client"); 3419 return (IBT_AR_NOT_REGISTERED); 3420 } 3421 *hdlpp = hdlp->ar_ref_link; /* remove ref for this client */ 3422 if (found->ar_ibt_hdl_list == NULL && found->ar_waiters == 0) { 3423 /* last entry was removed */ 3424 found->ar_flags = IBCM_AR_INITING; /* hold off register_ar */ 3425 saa_handle = found->ar_saa_handle; 3426 srv_recp = found->ar_srv_recp; 3427 3428 /* wait if this service record is being rewritten */ 3429 while (found->ar_rewrite_state == IBCM_REWRITE_BUSY) 3430 cv_wait(&ibcm_svc_info_cv, &ibcm_svc_info_lock); 3431 mutex_exit(&ibcm_svc_info_lock); 3432 3433 /* remove service record */ 3434 status = ibcm_write_service_record(saa_handle, srv_recp, 3435 IBMF_SAA_DELETE); 3436 if (status != IBT_SUCCESS) 3437 IBTF_DPRINTF_L2(cmlog, "ibt_deregister_ar: " 3438 "IBMF_SAA failed to delete address record"); 3439 mutex_enter(&ibcm_svc_info_lock); 3440 if (found->ar_waiters == 0) { /* still no waiters */ 3441 linkp = &ibcm_ar_list; 3442 tmp = *linkp; 3443 while (tmp != found) { 3444 linkp = &tmp->ar_link; 3445 tmp = *linkp; 3446 } 3447 *linkp = tmp->ar_link; 3448 ibcm_dec_hca_acc_cnt(found->ar_hcap); 3449 kmem_free(srv_recp, sizeof (*srv_recp)); 3450 cv_destroy(&found->ar_cv); 3451 kmem_free(found, sizeof (*found)); 3452 } else { 3453 /* add service record back in for the waiters */ 3454 mutex_exit(&ibcm_svc_info_lock); 3455 status = ibcm_write_service_record(saa_handle, srv_recp, 3456 IBMF_SAA_UPDATE); 3457 mutex_enter(&ibcm_svc_info_lock); 3458 if (status == IBT_SUCCESS) 3459 found->ar_flags = IBCM_AR_SUCCESS; 3460 else { 3461 found->ar_flags = IBCM_AR_FAILED; 3462 IBTF_DPRINTF_L2(cmlog, "ibt_deregister_ar: " 3463 "IBMF_SAA failed to write address record"); 3464 } 3465 cv_broadcast(&found->ar_cv); 3466 } 3467 } 3468 mutex_exit(&ibcm_svc_info_lock); 3469 kmem_free(hdlp, sizeof (*hdlp)); 3470 ibtl_cm_change_service_cnt(ibt_hdl, -1); 3471 return (status); 3472 } 3473 3474 ibt_status_t 3475 ibt_query_ar(ib_gid_t *sgid, ibt_ar_t *queryp, ibt_ar_t *resultp) 3476 { 3477 sa_service_record_t svcrec_req; 3478 sa_service_record_t *svcrec_resp; 3479 void *results_p; 3480 uint64_t component_mask = 0; 3481 uint64_t gid_ored; 3482 size_t length; 3483 int num_rec; 3484 int i; 3485 ibmf_saa_access_args_t access_args; 3486 ibt_status_t retval; 3487 ibtl_cm_hca_port_t cm_port; 3488 ibcm_hca_info_t *hcap; 3489 ibmf_saa_handle_t saa_handle; 3490 3491 IBTF_DPRINTF_L3(cmlog, "ibt_query_ar(%p, %p)", queryp, resultp); 3492 IBTF_DPRINTF_L3(cmlog, "ibt_query_ar: sgid %llx:%llx", 3493 (longlong_t)sgid->gid_prefix, (longlong_t)sgid->gid_guid); 3494 IBTF_DPRINTF_L3(cmlog, "ibt_query_ar: query_pkey %x", queryp->ar_pkey); 3495 IBTF_DPRINTF_L3(cmlog, "ibt_query_ar: query_gid %llx:%llx", 3496 (longlong_t)queryp->ar_gid.gid_prefix, 3497 (longlong_t)queryp->ar_gid.gid_guid); 3498 3499 /* 3500 * If P_Key is 0, but GID is not, this query is invalid. 3501 * If GID is 0, but P_Key is not, this query is invalid. 3502 */ 3503 gid_ored = queryp->ar_gid.gid_guid | queryp->ar_gid.gid_prefix; 3504 if ((queryp->ar_pkey == 0 && gid_ored != 0ULL) || 3505 (queryp->ar_pkey != 0 && gid_ored == 0ULL)) { 3506 IBTF_DPRINTF_L2(cmlog, "ibt_query_ar: GID/P_Key is not valid"); 3507 return (IBT_INVALID_PARAM); 3508 } 3509 3510 hcap = NULL; 3511 if (ibtl_cm_get_hca_port(*sgid, 0, &cm_port) != IBT_SUCCESS || 3512 (hcap = ibcm_find_hca_entry(cm_port.hp_hca_guid)) == NULL || 3513 (saa_handle = ibcm_get_saa_handle(hcap, cm_port.hp_port)) == NULL) { 3514 if (hcap != NULL) 3515 ibcm_dec_hca_acc_cnt(hcap); 3516 IBTF_DPRINTF_L2(cmlog, "ibt_query_ar: sgid is not valid"); 3517 return (IBT_INVALID_PARAM); 3518 } 3519 3520 bzero(&svcrec_req, sizeof (svcrec_req)); 3521 3522 /* Is GID/P_Key Specified. */ 3523 if (queryp->ar_pkey != 0) { /* GID is non-zero from check above */ 3524 svcrec_req.ServiceP_Key = queryp->ar_pkey; 3525 component_mask |= SA_SR_COMPMASK_PKEY; 3526 IBTF_DPRINTF_L3(cmlog, "ibt_query_ar: P_Key %X", 3527 queryp->ar_pkey); 3528 svcrec_req.ServiceGID = queryp->ar_gid; 3529 component_mask |= SA_SR_COMPMASK_GID; 3530 IBTF_DPRINTF_L3(cmlog, "ibt_query_ar: GID %llX:%llX", 3531 (longlong_t)queryp->ar_gid.gid_prefix, 3532 (longlong_t)queryp->ar_gid.gid_guid); 3533 } 3534 3535 /* Is ServiceData Specified. */ 3536 for (i = 0; i < IBCM_DAPL_ATS_NBYTES; i++) { 3537 if (queryp->ar_data[i] != 0) { 3538 bcopy(queryp->ar_data, svcrec_req.ServiceData, 3539 IBCM_DAPL_ATS_NBYTES); 3540 component_mask |= 0xFFFF << 7; /* all 16 Data8 */ 3541 /* components */ 3542 break; 3543 } 3544 } 3545 3546 /* Service Name */ 3547 (void) strcpy((char *)svcrec_req.ServiceName, IBCM_DAPL_ATS_NAME); 3548 component_mask |= SA_SR_COMPMASK_NAME; 3549 3550 svcrec_req.ServiceID = IBCM_DAPL_ATS_SID; 3551 component_mask |= SA_SR_COMPMASK_ID; 3552 3553 IBTF_DPRINTF_L3(cmlog, "ibt_query_ar: " 3554 "Perform SA Access: Mask: 0x%X", component_mask); 3555 3556 /* 3557 * Call in SA Access retrieve routine to get Service Records. 3558 * 3559 * SA Access framework allocated memory for the "results_p". 3560 * Make sure to deallocate once we are done with the results_p. 3561 * The size of the buffer allocated will be as returned in 3562 * "length" field. 3563 */ 3564 access_args.sq_attr_id = SA_SERVICERECORD_ATTRID; 3565 access_args.sq_access_type = IBMF_SAA_RETRIEVE; 3566 access_args.sq_component_mask = component_mask; 3567 access_args.sq_template = &svcrec_req; 3568 access_args.sq_template_length = sizeof (sa_service_record_t); 3569 access_args.sq_callback = NULL; 3570 access_args.sq_callback_arg = NULL; 3571 3572 retval = ibcm_contact_sa_access(saa_handle, &access_args, &length, 3573 &results_p); 3574 3575 ibcm_dec_hca_acc_cnt(hcap); 3576 if (retval != IBT_SUCCESS) { 3577 IBTF_DPRINTF_L2(cmlog, "ibt_query_ar: SA Access Failed"); 3578 return (retval); 3579 } 3580 3581 num_rec = length / sizeof (sa_service_record_t); 3582 3583 IBTF_DPRINTF_L3(cmlog, "ibt_query_ar: " 3584 "Found %d Service Records.", num_rec); 3585 3586 /* Validate the returned number of records. */ 3587 if ((results_p != NULL) && (num_rec > 0)) { 3588 uint8_t *b; 3589 3590 /* Just return info from the first service record. */ 3591 svcrec_resp = (sa_service_record_t *)results_p; 3592 3593 /* The Service GID and Service ID */ 3594 resultp->ar_gid = svcrec_resp->ServiceGID; 3595 resultp->ar_pkey = svcrec_resp->ServiceP_Key; 3596 bcopy(svcrec_resp->ServiceData, 3597 resultp->ar_data, IBCM_DAPL_ATS_NBYTES); 3598 3599 IBTF_DPRINTF_L2(cmlog, "ibt_query_ar: " 3600 "Found: pkey %x dgid %llX:%llX", resultp->ar_pkey, 3601 (longlong_t)resultp->ar_gid.gid_prefix, 3602 (longlong_t)resultp->ar_gid.gid_guid); 3603 b = resultp->ar_data; 3604 IBTF_DPRINTF_L2(cmlog, "ibt_query_ar:" 3605 " data %d:%d:%d:%d:%d:%d:%d:%d:%d:%d:%d:%d:%d:%d:%d:%d", 3606 b[0], b[1], b[2], b[3], b[4], b[5], b[6], b[7], b[8], b[9], 3607 b[10], b[11], b[12], b[13], b[14], b[15]); 3608 3609 /* Deallocate the memory for results_p. */ 3610 kmem_free(results_p, length); 3611 if (num_rec > 1) 3612 retval = IBT_MULTIPLE_AR; 3613 else 3614 retval = IBT_SUCCESS; 3615 } else { 3616 IBTF_DPRINTF_L2(cmlog, "ibt_query_ar: " 3617 "ibmf_sa_access found 0 matching records"); 3618 retval = IBT_AR_NOT_REGISTERED; 3619 } 3620 return (retval); 3621 } 3622 3623 /* mark all ATS service records associated with the port */ 3624 static void 3625 ibcm_mark_ar(ib_guid_t hca_guid, uint8_t port) 3626 { 3627 ibcm_ar_t *tmp; 3628 3629 ASSERT(MUTEX_HELD(&ibcm_svc_info_lock)); 3630 for (tmp = ibcm_ar_list; tmp != NULL; tmp = tmp->ar_link) { 3631 if (tmp->ar_hcap == NULL) 3632 continue; 3633 if (tmp->ar_hcap->hca_guid == hca_guid && 3634 tmp->ar_port == port) { 3635 /* even if it's busy, we mark it for rewrite */ 3636 tmp->ar_rewrite_state = IBCM_REWRITE_NEEDED; 3637 } 3638 } 3639 } 3640 3641 /* rewrite all ATS service records */ 3642 static int 3643 ibcm_rewrite_ar(void) 3644 { 3645 ibcm_ar_t *tmp; 3646 ibmf_saa_handle_t saa_handle; 3647 sa_service_record_t *srv_recp; 3648 ibt_status_t rval; 3649 int did_something = 0; 3650 3651 ASSERT(MUTEX_HELD(&ibcm_svc_info_lock)); 3652 check_for_work: 3653 for (tmp = ibcm_ar_list; tmp != NULL; tmp = tmp->ar_link) { 3654 if (tmp->ar_rewrite_state == IBCM_REWRITE_NEEDED) { 3655 tmp->ar_rewrite_state = IBCM_REWRITE_BUSY; 3656 saa_handle = tmp->ar_saa_handle; 3657 srv_recp = tmp->ar_srv_recp; 3658 mutex_exit(&ibcm_svc_info_lock); 3659 IBTF_DPRINTF_L3(cmlog, "ibcm_rewrite_ar: " 3660 "rewriting ar @ %p", tmp); 3661 did_something = 1; 3662 rval = ibcm_write_service_record(saa_handle, srv_recp, 3663 IBMF_SAA_UPDATE); 3664 if (rval != IBT_SUCCESS) 3665 IBTF_DPRINTF_L2(cmlog, "ibcm_rewrite_ar: " 3666 "ibcm_write_service_record failed: " 3667 "status = %d", rval); 3668 mutex_enter(&ibcm_svc_info_lock); 3669 /* if it got marked again, then we want to rewrite */ 3670 if (tmp->ar_rewrite_state == IBCM_REWRITE_BUSY) 3671 tmp->ar_rewrite_state = IBCM_REWRITE_IDLE; 3672 /* in case there was a waiter... */ 3673 cv_broadcast(&ibcm_svc_info_cv); 3674 goto check_for_work; 3675 } 3676 } 3677 return (did_something); 3678 } 3679 3680 static void 3681 ibcm_rewrite_svc_record(ibcm_svc_info_t *srv_hdl, ibcm_svc_bind_t *sbindp) 3682 { 3683 ibcm_hca_info_t *hcap; 3684 ib_svc_id_t sid, start_sid, end_sid; 3685 ibmf_saa_handle_t saa_handle; 3686 sa_service_record_t srv_rec; 3687 ibt_status_t rval; 3688 3689 hcap = ibcm_find_hca_entry(sbindp->sbind_hcaguid); 3690 if (hcap == NULL) { 3691 IBTF_DPRINTF_L2(cmlog, "ibcm_rewrite_svc_record: " 3692 "NO HCA found for HCA GUID %llX", sbindp->sbind_hcaguid); 3693 return; 3694 } 3695 3696 saa_handle = ibcm_get_saa_handle(hcap, sbindp->sbind_port); 3697 if (saa_handle == NULL) { 3698 IBTF_DPRINTF_L2(cmlog, "ibcm_rewrite_svc_record: " 3699 "saa_handle is NULL"); 3700 ibcm_dec_hca_acc_cnt(hcap); 3701 return; 3702 } 3703 3704 IBTF_DPRINTF_L3(cmlog, "ibcm_rewrite_svc_record: " 3705 "rewriting svc '%s', port_guid = %llX", sbindp->sbind_name, 3706 sbindp->sbind_gid.gid_guid); 3707 3708 bzero(&srv_rec, sizeof (srv_rec)); 3709 3710 srv_rec.ServiceLease = sbindp->sbind_lease; 3711 srv_rec.ServiceP_Key = sbindp->sbind_pkey; 3712 srv_rec.ServiceKey_hi = sbindp->sbind_key[0]; 3713 srv_rec.ServiceKey_lo = sbindp->sbind_key[1]; 3714 (void) strcpy((char *)srv_rec.ServiceName, sbindp->sbind_name); 3715 srv_rec.ServiceGID = sbindp->sbind_gid; 3716 3717 bcopy(sbindp->sbind_data, srv_rec.ServiceData, IB_SVC_DATA_LEN); 3718 3719 /* insert srv record into the SA */ 3720 start_sid = srv_hdl->svc_id; 3721 end_sid = start_sid + srv_hdl->svc_num_sids - 1; 3722 for (sid = start_sid; sid <= end_sid; sid++) { 3723 srv_rec.ServiceID = sid; 3724 3725 rval = ibcm_write_service_record(saa_handle, &srv_rec, 3726 IBMF_SAA_UPDATE); 3727 3728 IBTF_DPRINTF_L4(cmlog, "ibcm_rewrite_svc_record: " 3729 "ibcm_write_service_record, SvcId = %llX, " 3730 "rval = %d", (longlong_t)sid, rval); 3731 if (rval != IBT_SUCCESS) { 3732 IBTF_DPRINTF_L2(cmlog, "ibcm_rewrite_svc_record:" 3733 " ibcm_write_service_record fails %d sid %llX", 3734 rval, (longlong_t)sid); 3735 } 3736 } 3737 ibcm_dec_hca_acc_cnt(hcap); 3738 } 3739 3740 /* 3741 * Task to mark all service records as needing to be rewritten to the SM/SA. 3742 * This task does not return until all of them have been rewritten. 3743 */ 3744 void 3745 ibcm_service_record_rewrite_task(void *arg) 3746 { 3747 ibcm_port_up_t *pup = (ibcm_port_up_t *)arg; 3748 ib_guid_t hca_guid = pup->pup_hca_guid; 3749 uint8_t port = pup->pup_port; 3750 ibcm_svc_info_t *svcp; 3751 ibcm_svc_bind_t *sbp; 3752 avl_tree_t *avl_tree = &ibcm_svc_avl_tree; 3753 static int task_is_running = 0; 3754 3755 IBTF_DPRINTF_L2(cmlog, "ibcm_service_record_rewrite_task STARTED " 3756 "for hca_guid %llX, port %d", hca_guid, port); 3757 3758 mutex_enter(&ibcm_svc_info_lock); 3759 ibcm_mark_ar(hca_guid, port); 3760 for (svcp = avl_first(avl_tree); svcp != NULL; 3761 svcp = avl_walk(avl_tree, svcp, AVL_AFTER)) { 3762 sbp = svcp->svc_bind_list; 3763 while (sbp != NULL) { 3764 if (sbp->sbind_pkey != 0 && 3765 sbp->sbind_port == port && 3766 sbp->sbind_hcaguid == hca_guid) { 3767 /* even if it's busy, we mark it for rewrite */ 3768 sbp->sbind_rewrite_state = IBCM_REWRITE_NEEDED; 3769 } 3770 sbp = sbp->sbind_link; 3771 } 3772 } 3773 if (task_is_running) { 3774 /* let the other task thread finish the work */ 3775 mutex_exit(&ibcm_svc_info_lock); 3776 return; 3777 } 3778 task_is_running = 1; 3779 3780 (void) ibcm_rewrite_ar(); 3781 3782 check_for_work: 3783 for (svcp = avl_first(avl_tree); svcp != NULL; 3784 svcp = avl_walk(avl_tree, svcp, AVL_AFTER)) { 3785 sbp = svcp->svc_bind_list; 3786 while (sbp != NULL) { 3787 if (sbp->sbind_rewrite_state == IBCM_REWRITE_NEEDED) { 3788 sbp->sbind_rewrite_state = IBCM_REWRITE_BUSY; 3789 mutex_exit(&ibcm_svc_info_lock); 3790 ibcm_rewrite_svc_record(svcp, sbp); 3791 mutex_enter(&ibcm_svc_info_lock); 3792 /* if it got marked again, we want to rewrite */ 3793 if (sbp->sbind_rewrite_state == 3794 IBCM_REWRITE_BUSY) 3795 sbp->sbind_rewrite_state = 3796 IBCM_REWRITE_IDLE; 3797 /* in case there was a waiter... */ 3798 cv_broadcast(&ibcm_svc_info_cv); 3799 goto check_for_work; 3800 } 3801 sbp = sbp->sbind_link; 3802 } 3803 } 3804 /* 3805 * If there were no service records to write, and we failed to 3806 * have to rewrite any more ATS service records, then we're done. 3807 */ 3808 if (ibcm_rewrite_ar() != 0) 3809 goto check_for_work; 3810 task_is_running = 0; 3811 mutex_exit(&ibcm_svc_info_lock); 3812 3813 IBTF_DPRINTF_L2(cmlog, "ibcm_service_record_rewrite_task DONE"); 3814 kmem_free(pup, sizeof (ibcm_port_up_t)); 3815 } 3816 3817 3818 /* 3819 * Function: 3820 * ibt_cm_proceed 3821 * 3822 * Verifies the arguments and dispatches the cm state machine processing 3823 * via taskq 3824 */ 3825 3826 ibt_status_t 3827 ibt_cm_proceed(ibt_cm_event_type_t event, void *session_id, 3828 ibt_cm_status_t status, ibt_cm_proceed_reply_t *cm_event_data, 3829 void *priv_data, ibt_priv_data_len_t priv_data_len) 3830 { 3831 ibcm_state_data_t *statep = (ibcm_state_data_t *)session_id; 3832 ibcm_proceed_targs_t *proceed_targs; 3833 ibcm_proceed_error_t proceed_error; 3834 3835 IBTF_DPRINTF_L3(cmlog, "ibt_cm_proceed chan 0x%p event %x status %x " 3836 "session_id %p", statep->channel, event, status, session_id); 3837 3838 IBTF_DPRINTF_L5(cmlog, "ibt_cm_proceed chan 0x%p cm_event_data %p, " 3839 "priv_data %p priv_data_len %x", statep->channel, cm_event_data, 3840 priv_data, priv_data_len); 3841 3842 /* validate session_id and status */ 3843 if ((statep == NULL) || (status == IBT_CM_DEFER)) { 3844 IBTF_DPRINTF_L2(cmlog, "ibt_cm_proceed : Invalid Args"); 3845 return (IBT_INVALID_PARAM); 3846 } 3847 3848 /* If priv data len specified, then priv_data cannot be NULL */ 3849 if ((priv_data_len > 0) && (priv_data == NULL)) 3850 return (IBT_INVALID_PARAM); 3851 3852 proceed_error = IBCM_PROCEED_INVALID_NONE; 3853 3854 mutex_enter(&statep->state_mutex); 3855 if (event == IBT_CM_EVENT_REQ_RCV) { 3856 3857 if ((statep->state != IBCM_STATE_REQ_RCVD) && 3858 (statep->state != IBCM_STATE_MRA_SENT)) 3859 proceed_error = IBCM_PROCEED_INVALID_EVENT_STATE; 3860 else if (priv_data_len > IBT_REP_PRIV_DATA_SZ) 3861 proceed_error = IBCM_PROCEED_INVALID_PRIV_SZ; 3862 3863 } else if (event == IBT_CM_EVENT_REP_RCV) { 3864 if ((statep->state != IBCM_STATE_REP_RCVD) && 3865 (statep->state != IBCM_STATE_MRA_REP_SENT)) 3866 proceed_error = IBCM_PROCEED_INVALID_EVENT_STATE; 3867 else if (priv_data_len > IBT_RTU_PRIV_DATA_SZ) 3868 proceed_error = IBCM_PROCEED_INVALID_PRIV_SZ; 3869 } else if (event == IBT_CM_EVENT_LAP_RCV) { 3870 if ((statep->ap_state != IBCM_AP_STATE_LAP_RCVD) && 3871 (statep->ap_state != IBCM_AP_STATE_MRA_LAP_SENT)) 3872 proceed_error = IBCM_PROCEED_INVALID_EVENT_STATE; 3873 else if (priv_data_len > IBT_APR_PRIV_DATA_SZ) 3874 proceed_error = IBCM_PROCEED_INVALID_PRIV_SZ; 3875 } else if (event == IBT_CM_EVENT_CONN_CLOSED) { 3876 if (statep->state != IBCM_STATE_DREQ_RCVD) 3877 proceed_error = IBCM_PROCEED_INVALID_EVENT_STATE; 3878 else if (priv_data_len > IBT_DREP_PRIV_DATA_SZ) 3879 proceed_error = IBCM_PROCEED_INVALID_PRIV_SZ; 3880 } else { 3881 proceed_error = IBCM_PROCEED_INVALID_EVENT; 3882 } 3883 3884 /* if there is an error, print an error message and return */ 3885 if (proceed_error != IBCM_PROCEED_INVALID_NONE) { 3886 mutex_exit(&statep->state_mutex); 3887 if (proceed_error == IBCM_PROCEED_INVALID_EVENT_STATE) { 3888 IBTF_DPRINTF_L2(cmlog, "ibt_cm_proceed : chan 0x%p" 3889 "Invalid Event/State combination specified", 3890 statep->channel); 3891 return (IBT_INVALID_PARAM); 3892 } else if (proceed_error == IBCM_PROCEED_INVALID_PRIV_SZ) { 3893 IBTF_DPRINTF_L2(cmlog, "ibt_cm_proceed : chan 0x%p" 3894 "Invalid Event/priv len combination specified", 3895 statep->channel); 3896 return (IBT_INVALID_PARAM); 3897 } else if (proceed_error == IBCM_PROCEED_INVALID_EVENT) { 3898 IBTF_DPRINTF_L2(cmlog, "ibt_cm_proceed : chan 0x%p" 3899 "Invalid Event specified", statep->channel); 3900 return (IBT_INVALID_PARAM); 3901 } else { 3902 ASSERT(proceed_error == IBCM_PROCEED_INVALID_LAP); 3903 IBTF_DPRINTF_L2(cmlog, "ibt_cm_proceed : chan 0x%p" 3904 "IBT_CM_EVENT_LAP_RCV not supported", 3905 statep->channel); 3906 /* UNTIL HCA DRIVER ENABLES AP SUPPORT, FAIL THE CALL */ 3907 return (IBT_APM_NOT_SUPPORTED); 3908 } 3909 } 3910 3911 3912 /* wait until client's CM handler returns DEFER status back to CM */ 3913 3914 while (statep->clnt_proceed == IBCM_BLOCK) { 3915 IBTF_DPRINTF_L5(cmlog, "ibt_cm_proceed : chan 0x%p blocked for " 3916 "return of client's cm handler", statep->channel); 3917 cv_wait(&statep->block_client_cv, &statep->state_mutex); 3918 } 3919 3920 if (statep->clnt_proceed == IBCM_FAIL) { 3921 mutex_exit(&statep->state_mutex); 3922 IBTF_DPRINTF_L2(cmlog, "ibt_cm_proceed : chan 0x%p Failed as " 3923 "client returned non-DEFER status from cm handler", 3924 statep->channel); 3925 return (IBT_CHAN_STATE_INVALID); 3926 } 3927 3928 ASSERT(statep->clnt_proceed == IBCM_UNBLOCK); 3929 statep->clnt_proceed = IBCM_FAIL; 3930 mutex_exit(&statep->state_mutex); 3931 3932 _NOTE(NOW_INVISIBLE_TO_OTHER_THREADS(*proceed_targs)) 3933 3934 /* the state machine processing is done in a separate thread */ 3935 3936 /* proceed_targs is freed in ibcm_proceed_via_taskq */ 3937 proceed_targs = kmem_alloc(sizeof (ibcm_proceed_targs_t), 3938 KM_SLEEP); 3939 3940 proceed_targs->event = event; 3941 proceed_targs->status = status; 3942 proceed_targs->priv_data_len = priv_data_len; 3943 3944 bcopy(priv_data, proceed_targs->priv_data, priv_data_len); 3945 3946 proceed_targs->tst.rc.statep = statep; 3947 bcopy(cm_event_data, &proceed_targs->tst.rc.rc_cm_event_data, 3948 sizeof (ibt_cm_proceed_reply_t)); 3949 3950 _NOTE(NOW_VISIBLE_TO_OTHER_THREADS(*proceed_targs)) 3951 3952 (void) taskq_dispatch(ibcm_taskq, ibcm_proceed_via_taskq, 3953 proceed_targs, TQ_SLEEP); 3954 3955 return (IBT_SUCCESS); 3956 } 3957 3958 /* 3959 * Function: 3960 * ibcm_proceed_via_taskq 3961 * 3962 * Called from taskq, dispatched by ibt_cm_proceed 3963 * Completes the cm state processing for ibt_cm_proceed 3964 */ 3965 void 3966 ibcm_proceed_via_taskq(void *targs) 3967 { 3968 ibcm_proceed_targs_t *proceed_targs = (ibcm_proceed_targs_t *)targs; 3969 ibcm_state_data_t *statep = proceed_targs->tst.rc.statep; 3970 ibt_cm_reason_t reject_reason; 3971 uint8_t arej_len; 3972 ibcm_status_t response; 3973 ibcm_clnt_reply_info_t clnt_info; 3974 3975 clnt_info.reply_event = &proceed_targs->tst.rc.rc_cm_event_data; 3976 clnt_info.priv_data = proceed_targs->priv_data; 3977 clnt_info.priv_data_len = proceed_targs->priv_data_len; 3978 3979 IBTF_DPRINTF_L4(cmlog, "ibcm_proceed_via_taskq chan 0x%p targs %x", 3980 statep->channel, targs); 3981 3982 if (proceed_targs->event == IBT_CM_EVENT_REQ_RCV) { 3983 response = 3984 ibcm_process_cep_req_cm_hdlr(statep, proceed_targs->status, 3985 &clnt_info, &reject_reason, &arej_len, 3986 (ibcm_req_msg_t *)statep->defer_cm_msg); 3987 3988 ibcm_handle_cep_req_response(statep, response, reject_reason, 3989 arej_len); 3990 3991 } else if (proceed_targs->event == IBT_CM_EVENT_REP_RCV) { 3992 response = 3993 ibcm_process_cep_rep_cm_hdlr(statep, proceed_targs->status, 3994 &clnt_info, &reject_reason, &arej_len, 3995 (ibcm_rep_msg_t *)statep->defer_cm_msg); 3996 3997 ibcm_handle_cep_rep_response(statep, response, reject_reason, 3998 arej_len, (ibcm_rep_msg_t *)statep->defer_cm_msg); 3999 4000 } else if (proceed_targs->event == IBT_CM_EVENT_LAP_RCV) { 4001 ibcm_process_cep_lap_cm_hdlr(statep, proceed_targs->status, 4002 &clnt_info, (ibcm_lap_msg_t *)statep->defer_cm_msg, 4003 (ibcm_apr_msg_t *)IBCM_OUT_MSGP(statep->lapr_msg)); 4004 4005 ibcm_post_apr_mad(statep); 4006 4007 } else { 4008 ASSERT(proceed_targs->event == IBT_CM_EVENT_CONN_CLOSED); 4009 ibcm_handle_cep_dreq_response(statep, proceed_targs->priv_data, 4010 proceed_targs->priv_data_len); 4011 } 4012 4013 kmem_free(targs, sizeof (ibcm_proceed_targs_t)); 4014 } 4015 4016 /* 4017 * Function: 4018 * ibt_cm_ud_proceed 4019 * 4020 * Verifies the arguments and dispatches the cm state machine processing 4021 * via taskq 4022 */ 4023 ibt_status_t 4024 ibt_cm_ud_proceed(void *session_id, ibt_channel_hdl_t ud_channel, 4025 ibt_cm_status_t status, ibt_redirect_info_t *redirect_infop, 4026 void *priv_data, ibt_priv_data_len_t priv_data_len) 4027 { 4028 ibcm_ud_state_data_t *ud_statep = (ibcm_ud_state_data_t *)session_id; 4029 ibcm_proceed_targs_t *proceed_targs; 4030 ibt_qp_query_attr_t qp_attr; 4031 ibt_status_t retval; 4032 4033 IBTF_DPRINTF_L3(cmlog, "ibt_cm_ud_proceed session_id %p " 4034 "ud_channel %p ", session_id, ud_channel); 4035 4036 IBTF_DPRINTF_L4(cmlog, "ibt_cm_ud_proceed status %x priv_data %p " 4037 "priv_data_len %x", status, priv_data, priv_data_len); 4038 4039 /* validate session_id and status */ 4040 if ((ud_statep == NULL) || (status == IBT_CM_DEFER)) { 4041 IBTF_DPRINTF_L2(cmlog, "ibt_cm_ud_proceed : Invalid Args"); 4042 return (IBT_INVALID_PARAM); 4043 } 4044 4045 /* If priv data len specified, then priv_data cannot be NULL */ 4046 if ((priv_data_len > 0) && (priv_data == NULL)) 4047 return (IBT_INVALID_PARAM); 4048 4049 if (priv_data_len > IBT_SIDR_REP_PRIV_DATA_SZ) 4050 return (IBT_INVALID_PARAM); 4051 4052 /* retrieve qpn and qkey from ud channel */ 4053 4054 /* validate event and statep's state */ 4055 4056 if (status == IBT_CM_ACCEPT) { 4057 retval = ibt_query_qp(ud_channel, &qp_attr); 4058 if ((retval != IBT_SUCCESS) || 4059 (qp_attr.qp_info.qp_trans != IBT_UD_SRV)) { 4060 IBTF_DPRINTF_L2(cmlog, "ibt_cm_ud_proceed: " 4061 "Failed to retrieve QPN from the channel: %d", 4062 retval); 4063 return (IBT_INVALID_PARAM); 4064 } 4065 } 4066 4067 4068 mutex_enter(&ud_statep->ud_state_mutex); 4069 4070 if (ud_statep->ud_state != IBCM_STATE_SIDR_REQ_RCVD) { 4071 mutex_exit(&ud_statep->ud_state_mutex); 4072 IBTF_DPRINTF_L2(cmlog, "ibt_cm_ud_proceed : Invalid State " 4073 "specified"); 4074 return (IBT_INVALID_PARAM); 4075 } 4076 4077 /* wait until client's CM handler returns DEFER status back to CM */ 4078 4079 while (ud_statep->ud_clnt_proceed == IBCM_BLOCK) { 4080 IBTF_DPRINTF_L5(cmlog, "ibt_cm_ud_proceed : Blocked for return" 4081 " of client's ud cm handler"); 4082 cv_wait(&ud_statep->ud_block_client_cv, 4083 &ud_statep->ud_state_mutex); 4084 } 4085 4086 if (ud_statep->ud_clnt_proceed == IBCM_FAIL) { 4087 mutex_exit(&ud_statep->ud_state_mutex); 4088 IBTF_DPRINTF_L2(cmlog, "ibt_cm_ud_proceed : Failed as client " 4089 "returned non-DEFER status from cm handler"); 4090 return (IBT_INVALID_PARAM); 4091 } 4092 4093 ASSERT(ud_statep->ud_clnt_proceed == IBCM_UNBLOCK); 4094 ud_statep->ud_clnt_proceed = IBCM_FAIL; 4095 mutex_exit(&ud_statep->ud_state_mutex); 4096 4097 _NOTE(NOW_INVISIBLE_TO_OTHER_THREADS(*proceed_targs)) 4098 4099 /* the state machine processing is done in a separate thread */ 4100 4101 /* proceed_targs is freed in ibcm_proceed_via_taskq */ 4102 proceed_targs = kmem_zalloc(sizeof (ibcm_proceed_targs_t), 4103 KM_SLEEP); 4104 4105 proceed_targs->status = status; 4106 proceed_targs->priv_data_len = priv_data_len; 4107 4108 bcopy(priv_data, proceed_targs->priv_data, priv_data_len); 4109 4110 if (status == IBT_CM_ACCEPT) { 4111 proceed_targs->tst.ud.ud_qkey = 4112 qp_attr.qp_info.qp_transport.ud.ud_qkey; 4113 proceed_targs->tst.ud.ud_qpn = qp_attr.qp_qpn; 4114 } 4115 4116 proceed_targs->tst.ud.ud_statep = ud_statep; 4117 4118 /* copy redirect info based on status */ 4119 if (status == IBT_CM_REDIRECT) 4120 bcopy(redirect_infop, &proceed_targs->tst.ud.ud_redirect_info, 4121 sizeof (ibt_redirect_info_t)); 4122 4123 _NOTE(NOW_VISIBLE_TO_OTHER_THREADS(*proceed_targs)) 4124 4125 (void) taskq_dispatch(ibcm_taskq, ibcm_ud_proceed_via_taskq, 4126 proceed_targs, TQ_SLEEP); 4127 4128 return (IBT_SUCCESS); 4129 } 4130 4131 /* 4132 * Function: 4133 * ibcm_ud_proceed_via_taskq 4134 * 4135 * Called from taskq, dispatched by ibt_cm_ud_proceed 4136 * Completes the cm state processing for ibt_cm_ud_proceed 4137 */ 4138 void 4139 ibcm_ud_proceed_via_taskq(void *targs) 4140 { 4141 ibcm_proceed_targs_t *proceed_targs = (ibcm_proceed_targs_t *)targs; 4142 ibcm_ud_state_data_t *ud_statep = proceed_targs->tst.ud.ud_statep; 4143 ibcm_ud_clnt_reply_info_t ud_clnt_info; 4144 ibt_sidr_status_t sidr_status; 4145 4146 IBTF_DPRINTF_L4(cmlog, "ibcm_ud_proceed_via_taskq(%p)", targs); 4147 4148 ud_clnt_info.ud_qpn = proceed_targs->tst.ud.ud_qpn; 4149 ud_clnt_info.ud_qkey = proceed_targs->tst.ud.ud_qkey; 4150 ud_clnt_info.priv_data = proceed_targs->priv_data; 4151 ud_clnt_info.priv_data_len = proceed_targs->priv_data_len; 4152 ud_clnt_info.redirect_infop = &proceed_targs->tst.ud.ud_redirect_info; 4153 4154 /* validate event and statep's state */ 4155 ibcm_process_sidr_req_cm_hdlr(ud_statep, proceed_targs->status, 4156 &ud_clnt_info, &sidr_status, 4157 (ibcm_sidr_rep_msg_t *)IBCM_OUT_MSGP(ud_statep->ud_stored_msg)); 4158 4159 ibcm_post_sidr_rep_mad(ud_statep, sidr_status); 4160 4161 /* decr the statep ref cnt incremented in ibcm_process_sidr_req_msg */ 4162 mutex_enter(&ud_statep->ud_state_mutex); 4163 IBCM_UD_REF_CNT_DECR(ud_statep); 4164 mutex_exit(&ud_statep->ud_state_mutex); 4165 4166 kmem_free(targs, sizeof (ibcm_proceed_targs_t)); 4167 } 4168 4169 /* 4170 * Function: 4171 * ibt_set_alt_path 4172 * Input: 4173 * channel Channel handle returned from ibt_alloc_rc_channel(9F). 4174 * 4175 * mode Execute in blocking or non blocking mode. 4176 * 4177 * alt_path A pointer to an ibt_alt_path_info_t as returned from an 4178 * ibt_get_alt_path(9F) call that specifies the new 4179 * alternate path. 4180 * 4181 * priv_data A pointer to a buffer specified by caller for the 4182 * private data in the outgoing CM Load Alternate Path 4183 * (LAP) message sent to the remote host. This can be NULL 4184 * if no private data is available to communicate to the 4185 * remote node. 4186 * 4187 * priv_data_len Length of valid data in priv_data, this should be less 4188 * than or equal to IBT_LAP_PRIV_DATA_SZ. 4189 * 4190 * Output: 4191 * ret_args If called in blocking mode, points to a return argument 4192 * structure of type ibt_ap_returns_t. 4193 * 4194 * Returns: 4195 * IBT_SUCCESS on Success else appropriate error. 4196 * Description: 4197 * Load the specified alternate path. Causes the CM to send an LAP message 4198 * to the remote node. 4199 * Can only be called on a previously opened RC channel. 4200 */ 4201 ibt_status_t 4202 ibt_set_alt_path(ibt_channel_hdl_t channel, ibt_execution_mode_t mode, 4203 ibt_alt_path_info_t *alt_path, void *priv_data, 4204 ibt_priv_data_len_t priv_data_len, ibt_ap_returns_t *ret_args) 4205 { 4206 ibmf_handle_t ibmf_hdl; 4207 ibt_status_t status = IBT_SUCCESS; 4208 ibcm_lap_msg_t *lap_msgp; 4209 ibcm_hca_info_t *hcap; 4210 ibcm_state_data_t *statep; 4211 uint8_t port_no; 4212 ib_lid_t alternate_slid; 4213 ibt_priv_data_len_t len; 4214 ib_lid_t base_lid; 4215 boolean_t alt_grh; 4216 4217 IBTF_DPRINTF_L3(cmlog, "ibt_set_alt_path(%p, %x, %p, %p, %x, %p)", 4218 channel, mode, alt_path, priv_data, priv_data_len, ret_args); 4219 4220 /* validate channel */ 4221 if (IBCM_INVALID_CHANNEL(channel)) { 4222 IBTF_DPRINTF_L2(cmlog, "ibt_set_alt_path: invalid channel"); 4223 return (IBT_CHAN_HDL_INVALID); 4224 } 4225 4226 if (ibtl_cm_get_chan_type(channel) != IBT_RC_SRV) { 4227 IBTF_DPRINTF_L2(cmlog, "ibt_set_alt_path: " 4228 "Invalid Channel type: Applicable only to RC Channel"); 4229 return (IBT_CHAN_SRV_TYPE_INVALID); 4230 } 4231 4232 if (mode == IBT_NONBLOCKING) { 4233 if (ret_args != NULL) { 4234 IBTF_DPRINTF_L2(cmlog, "ibt_set_alt_path: " 4235 "ret_args should be NULL when called in " 4236 "non-blocking mode"); 4237 return (IBT_INVALID_PARAM); 4238 } 4239 } else if (mode == IBT_BLOCKING) { 4240 if (ret_args == NULL) { 4241 IBTF_DPRINTF_L2(cmlog, "ibt_set_alt_path: " 4242 "ret_args should be Non-NULL when called in " 4243 "blocking mode"); 4244 return (IBT_INVALID_PARAM); 4245 } 4246 if (ret_args->ap_priv_data_len > IBT_APR_PRIV_DATA_SZ) { 4247 IBTF_DPRINTF_L2(cmlog, "ibt_set_alt_path: " 4248 "expected private data length is too large"); 4249 return (IBT_INVALID_PARAM); 4250 } 4251 if ((ret_args->ap_priv_data_len > 0) && 4252 (ret_args->ap_priv_data == NULL)) { 4253 IBTF_DPRINTF_L2(cmlog, "ibt_set_alt_path: " 4254 "apr_priv_data_len > 0, but apr_priv_data NULL"); 4255 return (IBT_INVALID_PARAM); 4256 } 4257 } else { /* any other mode is not valid for ibt_set_alt_path */ 4258 IBTF_DPRINTF_L2(cmlog, "ibt_set_alt_path: " 4259 "invalid mode %x specified", mode); 4260 return (IBT_INVALID_PARAM); 4261 } 4262 4263 if ((port_no = alt_path->ap_alt_cep_path.cep_hca_port_num) == 0) 4264 return (IBT_INVALID_PARAM); 4265 4266 /* get the statep */ 4267 IBCM_GET_CHAN_PRIVATE(channel, statep); 4268 if (statep == NULL) { 4269 IBTF_DPRINTF_L2(cmlog, "ibt_set_alt_path: statep NULL"); 4270 return (IBT_CM_FAILURE); 4271 } 4272 4273 mutex_enter(&statep->state_mutex); 4274 IBCM_RELEASE_CHAN_PRIVATE(channel); 4275 IBCM_REF_CNT_INCR(statep); 4276 mutex_exit(&statep->state_mutex); 4277 4278 IBTF_DPRINTF_L4(cmlog, "ibt_set_alt_path: statep %p", statep); 4279 4280 hcap = statep->hcap; 4281 4282 /* HCA must have been in active state. If not, it's a client bug */ 4283 if (!IBCM_ACCESS_HCA_OK(hcap)) 4284 IBTF_DPRINTF_L2(cmlog, "ibt_set_alt_path: hca in error state"); 4285 4286 ASSERT(statep->cm_handler != NULL); 4287 4288 /* Check Alternate port */ 4289 status = ibt_get_port_state_byguid(hcap->hca_guid, port_no, NULL, 4290 &base_lid); 4291 if (status != IBT_SUCCESS) { 4292 IBTF_DPRINTF_L2(cmlog, "ibt_set_alt_path: " 4293 "ibt_get_port_state_byguid status %d ", status); 4294 mutex_enter(&statep->state_mutex); 4295 IBCM_REF_CNT_DECR(statep); 4296 mutex_exit(&statep->state_mutex); 4297 return (status); 4298 } 4299 4300 if ((hcap->hca_port_info[port_no - 1].port_ibmf_hdl == NULL) && 4301 ((status = ibcm_hca_reinit_port(hcap, port_no - 1)) 4302 != IBT_SUCCESS)) { 4303 IBTF_DPRINTF_L2(cmlog, "ibt_set_alt_path: " 4304 "ibmf reg or callback setup failed during re-initialize"); 4305 mutex_enter(&statep->state_mutex); 4306 IBCM_REF_CNT_DECR(statep); 4307 mutex_exit(&statep->state_mutex); 4308 return (status); 4309 } 4310 4311 ibmf_hdl = statep->stored_reply_addr.ibmf_hdl; 4312 4313 alternate_slid = base_lid + 4314 alt_path->ap_alt_cep_path.cep_adds_vect.av_src_path; 4315 4316 IBTF_DPRINTF_L4(cmlog, "ibt_set_alt_path: alternate SLID = %x", 4317 h2b16(alternate_slid)); 4318 4319 ibcm_lapr_enter(); /* limit how many run simultaneously */ 4320 4321 /* Allocate MAD for LAP */ 4322 if (statep->lapr_msg == NULL) 4323 if ((status = ibcm_alloc_out_msg(ibmf_hdl, &statep->lapr_msg, 4324 MAD_METHOD_SEND)) != IBT_SUCCESS) { 4325 ibcm_lapr_exit(); 4326 IBTF_DPRINTF_L2(cmlog, "ibt_set_alt_path: " 4327 "chan 0x%p ibcm_alloc_out_msg failed", channel); 4328 mutex_enter(&statep->state_mutex); 4329 IBCM_REF_CNT_DECR(statep); 4330 mutex_exit(&statep->state_mutex); 4331 return (status); 4332 } 4333 4334 mutex_enter(&statep->state_mutex); 4335 4336 IBTF_DPRINTF_L4(cmlog, "ibt_set_alt_path: connection state is" 4337 " %x", statep->state); 4338 4339 /* Check state */ 4340 if ((statep->state != IBCM_STATE_ESTABLISHED) || 4341 (statep->ap_state != IBCM_AP_STATE_IDLE)) { 4342 IBCM_REF_CNT_DECR(statep); 4343 mutex_exit(&statep->state_mutex); 4344 (void) ibcm_free_out_msg(ibmf_hdl, &statep->lapr_msg); 4345 ibcm_lapr_exit(); 4346 return (IBT_CHAN_STATE_INVALID); 4347 } else { 4348 /* Set to LAP Sent state */ 4349 statep->ap_state = IBCM_AP_STATE_LAP_SENT; 4350 statep->ap_done = B_FALSE; 4351 statep->remaining_retry_cnt = statep->max_cm_retries; 4352 statep->timer_stored_state = statep->state; 4353 statep->timer_stored_ap_state = statep->ap_state; 4354 IBCM_REF_CNT_INCR(statep); /* for ibcm_post_lap_complete */ 4355 } 4356 4357 mutex_exit(&statep->state_mutex); 4358 4359 /* No more failure returns below */ 4360 4361 /* Allocate MAD for LAP */ 4362 IBTF_DPRINTF_L5(cmlog, "ibt_set_alt_path:" 4363 " statep's mad addr = 0x%p", IBCM_OUT_HDRP(statep->lapr_msg)); 4364 4365 _NOTE(NOW_INVISIBLE_TO_OTHER_THREADS(*lap_msgp)) 4366 4367 lap_msgp = (ibcm_lap_msg_t *)IBCM_OUT_MSGP(statep->lapr_msg); 4368 4369 lap_msgp->lap_alt_l_port_lid = h2b16(alternate_slid); 4370 lap_msgp->lap_alt_r_port_lid = 4371 h2b16(alt_path->ap_alt_cep_path.cep_adds_vect.av_dlid); 4372 4373 /* Fill in remote port gid */ 4374 lap_msgp->lap_alt_r_port_gid.gid_prefix = 4375 h2b64(alt_path->ap_alt_cep_path.cep_adds_vect.av_dgid.gid_prefix); 4376 lap_msgp->lap_alt_r_port_gid.gid_guid = 4377 h2b64(alt_path->ap_alt_cep_path.cep_adds_vect.av_dgid.gid_guid); 4378 4379 /* Fill in local port gid */ 4380 lap_msgp->lap_alt_l_port_gid.gid_prefix = 4381 h2b64(alt_path->ap_alt_cep_path.cep_adds_vect.av_sgid.gid_prefix); 4382 lap_msgp->lap_alt_l_port_gid.gid_guid = 4383 h2b64(alt_path->ap_alt_cep_path.cep_adds_vect.av_sgid.gid_guid); 4384 4385 alt_grh = alt_path->ap_alt_cep_path.cep_adds_vect.av_send_grh; 4386 4387 /* alternate_flow_label, and alternate srate, alternate traffic class */ 4388 lap_msgp->lap_alt_srate_plus = 4389 alt_path->ap_alt_cep_path.cep_adds_vect.av_srate & 0x3f; 4390 lap_msgp->lap_alt_flow_label_plus = h2b32(((alt_grh == B_TRUE) ? 4391 (alt_path->ap_alt_cep_path.cep_adds_vect.av_flow << 12) : 0) | 4392 alt_path->ap_alt_cep_path.cep_adds_vect.av_tclass); 4393 4394 /* Alternate hop limit, service level */ 4395 lap_msgp->lap_alt_hop_limit = (alt_grh == B_TRUE) ? 4396 alt_path->ap_alt_cep_path.cep_adds_vect.av_hop : 1; 4397 lap_msgp->lap_alt_sl_plus = 4398 alt_path->ap_alt_cep_path.cep_adds_vect.av_srvl << 4 | 4399 ((alt_grh == B_FALSE) ? 0x8 : 0); 4400 4401 lap_msgp->lap_alt_local_acktime_plus = ibt_usec2ib( 4402 (2 * statep->rc_alt_pkt_lt) + 4403 ibt_ib2usec(hcap->hca_ack_delay)) << 3; 4404 4405 lap_msgp->lap_local_comm_id = h2b32(statep->local_comid); 4406 lap_msgp->lap_remote_comm_id = h2b32(statep->remote_comid); 4407 4408 lap_msgp->lap_remote_qpn_eecn_plus = 4409 h2b32((statep->remote_qpn << 8) | 4410 ibt_usec2ib(ibcm_remote_response_time) << 3); 4411 4412 len = min(priv_data_len, IBT_LAP_PRIV_DATA_SZ); 4413 if ((len > 0) && priv_data) { 4414 bcopy(priv_data, lap_msgp->lap_private_data, len); 4415 } 4416 4417 /* only rc_alt_pkt_lt and ap_return_data fields are initialized */ 4418 _NOTE(NOW_INVISIBLE_TO_OTHER_THREADS(*statep)) 4419 4420 statep->rc_alt_pkt_lt = ibt_ib2usec(alt_path->ap_alt_pkt_lt); 4421 4422 /* return_data is filled up in the state machine code */ 4423 statep->ap_return_data = ret_args; 4424 4425 _NOTE(NOW_VISIBLE_TO_OTHER_THREADS(*statep)) 4426 4427 IBCM_OUT_HDRP(statep->lapr_msg)->AttributeID = 4428 h2b16(IBCM_INCOMING_LAP + IBCM_ATTR_BASE_ID); 4429 4430 IBCM_OUT_HDRP(statep->lapr_msg)->TransactionID = 4431 h2b64(ibcm_generate_tranid(IBCM_INCOMING_LAP, statep->local_comid, 4432 0)); 4433 IBTF_DPRINTF_L3(cmlog, "ibt_set_alt_path: statep %p, tid %llx", 4434 statep, IBCM_OUT_HDRP(statep->lapr_msg)->TransactionID); 4435 4436 _NOTE(NOW_VISIBLE_TO_OTHER_THREADS(*lap_msgp)) 4437 4438 /* Send LAP */ 4439 ibcm_post_rc_mad(statep, statep->lapr_msg, ibcm_post_lap_complete, 4440 statep); 4441 4442 mutex_enter(&statep->state_mutex); 4443 4444 if (mode == IBT_BLOCKING) { 4445 IBTF_DPRINTF_L4(cmlog, "ibt_set_alt_path: blocking"); 4446 4447 /* wait for APR */ 4448 while (statep->ap_done != B_TRUE) { 4449 cv_wait(&statep->block_client_cv, 4450 &statep->state_mutex); 4451 } 4452 4453 IBTF_DPRINTF_L4(cmlog, "ibt_set_alt_path: done blocking"); 4454 4455 /* 4456 * In the case that ibt_set_alt_path fails, 4457 * change retval to IBT_CM_FAILURE 4458 */ 4459 if (statep->ap_return_data->ap_status != IBT_CM_AP_LOADED) 4460 status = IBT_CM_FAILURE; 4461 4462 } 4463 4464 /* decrement the ref-count before leaving here */ 4465 IBCM_REF_CNT_DECR(statep); 4466 4467 mutex_exit(&statep->state_mutex); 4468 4469 ibcm_lapr_exit(); 4470 4471 /* If this message isn't seen then ibt_set_alt_path failed */ 4472 IBTF_DPRINTF_L4(cmlog, "ibt_set_alt_path: done"); 4473 4474 return (status); 4475 } 4476 4477 4478 #ifdef DEBUG 4479 4480 /* 4481 * ibcm_query_classport_info: 4482 * Query classportinfo 4483 * 4484 * INPUTS: 4485 * channel - Channel that is associated with a statep 4486 * 4487 * RETURN VALUE: NONE 4488 * This function is currently used to generate a valid get method classport 4489 * info, and test CM functionality. There is no ibtl client interface to 4490 * generate a classportinfo. It is possible that CM may use classportinfo 4491 * from other nodes in the future, and most of the code below could be re-used. 4492 */ 4493 void 4494 ibcm_query_classport_info(ibt_channel_hdl_t channel) 4495 { 4496 ibcm_state_data_t *statep; 4497 ibmf_msg_t *msgp; 4498 4499 IBTF_DPRINTF_L2(cmlog, "ibcm_query_classport_info(%p)", channel); 4500 4501 /* validate channel, first */ 4502 if (IBCM_INVALID_CHANNEL(channel)) { 4503 IBTF_DPRINTF_L2(cmlog, "ibcm_query_classport_info: " 4504 "invalid channel (%p)", channel); 4505 return; 4506 } 4507 4508 /* get the statep */ 4509 IBCM_GET_CHAN_PRIVATE(channel, statep); 4510 4511 /* 4512 * This can happen, if the statep is already gone by a DREQ from 4513 * the remote side 4514 */ 4515 if (statep == NULL) { 4516 IBTF_DPRINTF_L2(cmlog, "ibcm_query_classport_info: " 4517 "statep NULL"); 4518 return; 4519 } 4520 4521 mutex_enter(&statep->state_mutex); 4522 IBCM_RELEASE_CHAN_PRIVATE(channel); 4523 IBCM_REF_CNT_INCR(statep); 4524 mutex_exit(&statep->state_mutex); 4525 4526 /* Debug/test code, so don't care about return status */ 4527 (void) ibcm_alloc_out_msg(statep->stored_reply_addr.ibmf_hdl, &msgp, 4528 MAD_METHOD_GET); 4529 4530 IBCM_OUT_HDRP(msgp)->TransactionID = h2b64(ibcm_generate_tranid( 4531 MAD_ATTR_ID_CLASSPORTINFO, statep->local_comid, 0)); 4532 IBCM_OUT_HDRP(msgp)->AttributeID = h2b16(MAD_ATTR_ID_CLASSPORTINFO); 4533 4534 (void) ibcm_post_mad(msgp, &statep->stored_reply_addr, NULL, NULL); 4535 4536 IBTF_DPRINTF_L2(cmlog, "ibcm_query_classport_info(%p) " 4537 "Get method MAD posted ", channel); 4538 4539 (void) ibcm_free_out_msg(statep->stored_reply_addr.ibmf_hdl, &msgp); 4540 4541 mutex_enter(&statep->state_mutex); 4542 IBCM_REF_CNT_DECR(statep); 4543 mutex_exit(&statep->state_mutex); 4544 } 4545 4546 static void 4547 ibcm_print_reply_addr(ibt_channel_hdl_t channel, ibcm_mad_addr_t *cm_reply_addr) 4548 { 4549 IBTF_DPRINTF_L4(cmlog, "ibcm_print_reply_addr: chan 0x%p, SLID %x, " 4550 "DLID %x", channel, cm_reply_addr->rcvd_addr.ia_local_lid, 4551 cm_reply_addr->rcvd_addr.ia_remote_lid); 4552 4553 IBTF_DPRINTF_L4(cmlog, "ibcm_print_reply_addr: QKEY %x, PKEY %x, " 4554 "RQPN %x SL %x", cm_reply_addr->rcvd_addr.ia_q_key, 4555 cm_reply_addr->rcvd_addr.ia_p_key, 4556 cm_reply_addr->rcvd_addr.ia_remote_qno, 4557 cm_reply_addr->rcvd_addr.ia_service_level); 4558 4559 IBTF_DPRINTF_L4(cmlog, "ibcm_print_reply_addr: CM SGID %llX:%llX ", 4560 cm_reply_addr->grh_hdr.ig_sender_gid.gid_prefix, 4561 cm_reply_addr->grh_hdr.ig_sender_gid.gid_guid); 4562 4563 IBTF_DPRINTF_L4(cmlog, "ibcm_print_reply_addr: CM DGID %llX:%llX", 4564 cm_reply_addr->grh_hdr.ig_recver_gid.gid_prefix, 4565 cm_reply_addr->grh_hdr.ig_recver_gid.gid_guid); 4566 4567 IBTF_DPRINTF_L4(cmlog, "ibcm_print_reply_addr: CM FL %x TC %x HL %x", 4568 cm_reply_addr->grh_hdr.ig_flow_label, 4569 cm_reply_addr->grh_hdr.ig_tclass, 4570 cm_reply_addr->grh_hdr.ig_hop_limit); 4571 } 4572 4573 #endif 4574 4575 typedef struct ibcm_join_mcg_tqarg_s { 4576 ib_gid_t rgid; 4577 ibt_mcg_attr_t mcg_attr; 4578 ibt_mcg_info_t *mcg_infop; 4579 ibt_mcg_handler_t func; 4580 void *arg; 4581 } ibcm_join_mcg_tqarg_t; 4582 4583 _NOTE(READ_ONLY_DATA(ibcm_join_mcg_tqarg_s)) 4584 4585 /* 4586 * Function: 4587 * ibt_join_mcg 4588 * Input: 4589 * rgid The request GID that defines the HCA port from which a 4590 * contact to SA Access is performed to add the specified 4591 * endport GID ((mcg_attr->mc_pgid) to a multicast group. 4592 * If mcg_attr->mc_pgid is null, then this (rgid) will be 4593 * treated as endport GID that is to be added to the 4594 * multicast group. 4595 * 4596 * mcg_attr A pointer to an ibt_mcg_attr_t structure that defines 4597 * the attributes of the desired multicast group to be 4598 * created or joined. 4599 * 4600 * func NULL or a pointer to a function to call when 4601 * ibt_join_mcg() completes. If 'func' is not NULL then 4602 * ibt_join_mcg() will return as soon as possible after 4603 * initiating the multicast group join/create process. 4604 * 'func' is then called when the process completes. 4605 * 4606 * arg Argument to the 'func'. 4607 * 4608 * Output: 4609 * mcg_info_p A pointer to the ibt_mcg_info_t structure, allocated 4610 * by the caller, where the attributes of the created or 4611 * joined multicast group are copied. 4612 * Returns: 4613 * IBT_SUCCESS 4614 * IBT_INVALID_PARAM 4615 * IBT_MCG_RECORDS_NOT_FOUND 4616 * IBT_INSUFF_RESOURCE 4617 * Description: 4618 * Join a multicast group. The first full member "join" causes the MCG 4619 * to be created. 4620 */ 4621 ibt_status_t 4622 ibt_join_mcg(ib_gid_t rgid, ibt_mcg_attr_t *mcg_attr, 4623 ibt_mcg_info_t *mcg_info_p, ibt_mcg_handler_t func, void *arg) 4624 { 4625 ibcm_join_mcg_tqarg_t *mcg_tq; 4626 int flag = ((func == NULL) ? KM_SLEEP : KM_NOSLEEP); 4627 4628 IBTF_DPRINTF_L3(cmlog, "ibt_join_mcg(%llX:%llX, %p)", rgid.gid_prefix, 4629 rgid.gid_guid, mcg_attr); 4630 4631 if ((rgid.gid_prefix == 0) || (rgid.gid_guid == 0)) { 4632 IBTF_DPRINTF_L2(cmlog, "ibt_join_mcg: Request GID is required"); 4633 return (IBT_INVALID_PARAM); 4634 } 4635 4636 if ((mcg_attr->mc_pkey == IB_PKEY_INVALID_LIMITED) || 4637 (mcg_attr->mc_pkey == IB_PKEY_INVALID_FULL)) { 4638 IBTF_DPRINTF_L2(cmlog, "ibt_join_mcg: Invalid P_Key specified"); 4639 return (IBT_INVALID_PARAM); 4640 } 4641 4642 if (mcg_attr->mc_join_state == 0) { 4643 IBTF_DPRINTF_L2(cmlog, "ibt_join_mcg: JoinState not specified"); 4644 return (IBT_INVALID_PARAM); 4645 } 4646 4647 if (mcg_info_p == NULL) { 4648 IBTF_DPRINTF_L2(cmlog, "ibt_join_mcg: mcg_info_p is NULL"); 4649 return (IBT_INVALID_PARAM); 4650 } 4651 4652 _NOTE(NOW_INVISIBLE_TO_OTHER_THREADS(*mcg_tq)) 4653 4654 mcg_tq = kmem_alloc(sizeof (ibcm_join_mcg_tqarg_t), flag); 4655 if (mcg_tq == NULL) { 4656 IBTF_DPRINTF_L2(cmlog, "ibt_join_mcg: " 4657 "Unable to allocate memory for local usage."); 4658 return (IBT_INSUFF_KERNEL_RESOURCE); 4659 } 4660 4661 mcg_tq->rgid = rgid; 4662 bcopy(mcg_attr, &mcg_tq->mcg_attr, sizeof (ibt_mcg_attr_t)); 4663 mcg_tq->mcg_infop = mcg_info_p; 4664 mcg_tq->func = func; 4665 mcg_tq->arg = arg; 4666 4667 _NOTE(NOW_VISIBLE_TO_OTHER_THREADS(*mcg_tq)) 4668 4669 if (func != NULL) { /* Non-Blocking */ 4670 IBTF_DPRINTF_L3(cmlog, "ibt_join_mcg: Non-Blocking Call"); 4671 if (taskq_dispatch(ibcm_taskq, ibcm_process_async_join_mcg, 4672 mcg_tq, TQ_NOSLEEP) == 0) { 4673 IBTF_DPRINTF_L2(cmlog, "ibt_join_mcg: Failed to " 4674 "Dispatch the TaskQ"); 4675 kmem_free(mcg_tq, sizeof (ibcm_join_mcg_tqarg_t)); 4676 return (IBT_INSUFF_KERNEL_RESOURCE); 4677 } else 4678 return (IBT_SUCCESS); 4679 } else { /* Blocking */ 4680 return (ibcm_process_join_mcg(mcg_tq)); 4681 } 4682 } 4683 4684 static void 4685 ibcm_process_async_join_mcg(void *tq_arg) 4686 { 4687 (void) ibcm_process_join_mcg(tq_arg); 4688 } 4689 4690 static ibt_status_t 4691 ibcm_process_join_mcg(void *taskq_arg) 4692 { 4693 sa_mcmember_record_t mcg_req; 4694 sa_mcmember_record_t *mcg_resp; 4695 ibmf_saa_access_args_t access_args; 4696 ibmf_saa_handle_t saa_handle; 4697 uint64_t component_mask = 0; 4698 ibt_status_t retval; 4699 ibtl_cm_hca_port_t hca_port; 4700 uint_t num_records; 4701 size_t length; 4702 ibcm_hca_info_t *hcap; 4703 ibcm_join_mcg_tqarg_t *mcg_arg = (ibcm_join_mcg_tqarg_t *)taskq_arg; 4704 ibt_mcg_info_t *mcg_info_p = mcg_arg->mcg_infop; 4705 4706 IBTF_DPRINTF_L3(cmlog, "ibcm_process_join_mcg(%p)", mcg_arg); 4707 4708 retval = ibtl_cm_get_hca_port(mcg_arg->rgid, 0, &hca_port); 4709 if (retval != IBT_SUCCESS) { 4710 IBTF_DPRINTF_L2(cmlog, "ibcm_process_join_mcg: Failed to get " 4711 "port info from specified RGID: status = %d", retval); 4712 goto ibcm_join_mcg_exit1; 4713 } 4714 4715 bzero(&mcg_req, sizeof (sa_mcmember_record_t)); 4716 4717 if ((mcg_arg->mcg_attr.mc_pgid.gid_prefix == 0) || 4718 (mcg_arg->mcg_attr.mc_pgid.gid_guid == 0)) { 4719 IBTF_DPRINTF_L3(cmlog, "ibcm_process_join_mcg: " 4720 "Request GID is Port GID"); 4721 mcg_req.PortGID = mcg_arg->rgid; 4722 } else { 4723 mcg_req.PortGID = mcg_arg->mcg_attr.mc_pgid; 4724 } 4725 component_mask |= SA_MC_COMPMASK_PORTGID; 4726 4727 mcg_req.Q_Key = mcg_arg->mcg_attr.mc_qkey; 4728 mcg_req.P_Key = mcg_arg->mcg_attr.mc_pkey; 4729 mcg_req.JoinState = mcg_arg->mcg_attr.mc_join_state; 4730 mcg_req.TClass = mcg_arg->mcg_attr.mc_tclass; 4731 mcg_req.FlowLabel = mcg_arg->mcg_attr.mc_flow; 4732 mcg_req.SL = mcg_arg->mcg_attr.mc_sl; 4733 4734 component_mask |= SA_MC_COMPMASK_QKEY | SA_MC_COMPMASK_PKEY | 4735 SA_MC_COMPMASK_JOINSTATE | SA_MC_COMPMASK_TCLASS | 4736 SA_MC_COMPMASK_FLOWLABEL | SA_MC_COMPMASK_SL; 4737 4738 /* If client has specified MGID, use it else SA will assign one. */ 4739 if ((mcg_arg->mcg_attr.mc_mgid.gid_prefix >> 56ULL & 0xFF) == 0xFF) { 4740 mcg_req.MGID = mcg_arg->mcg_attr.mc_mgid; 4741 component_mask |= SA_MC_COMPMASK_MGID; 4742 } 4743 4744 IBTF_DPRINTF_L3(cmlog, "ibcm_process_join_mcg: PGID=%llX:%llX, " 4745 "MGID=%llX:%llX", mcg_req.PortGID.gid_prefix, 4746 mcg_req.PortGID.gid_guid, mcg_req.MGID.gid_prefix, 4747 mcg_req.MGID.gid_guid); 4748 4749 /* Is MTU specified. */ 4750 if (mcg_arg->mcg_attr.mc_mtu_req.r_mtu) { 4751 mcg_req.MTU = mcg_arg->mcg_attr.mc_mtu_req.r_mtu; 4752 mcg_req.MTUSelector = mcg_arg->mcg_attr.mc_mtu_req.r_selector; 4753 4754 component_mask |= SA_MC_COMPMASK_MTUSELECTOR | 4755 SA_MC_COMPMASK_MTU; 4756 } 4757 4758 /* Is RATE specified. */ 4759 if (mcg_arg->mcg_attr.mc_rate_req.r_srate) { 4760 mcg_req.Rate = mcg_arg->mcg_attr.mc_rate_req.r_srate; 4761 mcg_req.RateSelector = 4762 mcg_arg->mcg_attr.mc_rate_req.r_selector; 4763 4764 component_mask |= SA_MC_COMPMASK_RATESELECTOR | 4765 SA_MC_COMPMASK_RATE; 4766 } 4767 4768 /* Is Packet Life Time specified. */ 4769 if (mcg_arg->mcg_attr.mc_pkt_lt_req.p_pkt_lt) { 4770 mcg_req.Rate = mcg_arg->mcg_attr.mc_pkt_lt_req.p_pkt_lt; 4771 mcg_req.RateSelector = 4772 mcg_arg->mcg_attr.mc_pkt_lt_req.p_selector; 4773 4774 component_mask |= SA_MC_COMPMASK_PKTLTSELECTOR | 4775 SA_MC_COMPMASK_PKTLT; 4776 } 4777 4778 if (mcg_arg->mcg_attr.mc_hop) { 4779 mcg_req.HopLimit = mcg_arg->mcg_attr.mc_hop; 4780 component_mask |= SA_MC_COMPMASK_HOPLIMIT; 4781 } 4782 4783 if (mcg_arg->mcg_attr.mc_scope) { 4784 mcg_req.Scope = mcg_arg->mcg_attr.mc_scope; 4785 component_mask |= SA_MC_COMPMASK_SCOPE; 4786 } 4787 4788 if (mcg_arg->mcg_attr.mc_mlid) { 4789 mcg_req.MLID = mcg_arg->mcg_attr.mc_mlid; 4790 component_mask |= SA_MC_COMPMASK_MLID; 4791 } 4792 4793 /* Get SA Access Handle. */ 4794 hcap = ibcm_find_hca_entry(hca_port.hp_hca_guid); 4795 if (hcap == NULL) { 4796 IBTF_DPRINTF_L2(cmlog, "ibcm_process_join_mcg: NO HCA found"); 4797 4798 retval = IBT_HCA_BUSY_DETACHING; 4799 goto ibcm_join_mcg_exit1; 4800 } 4801 4802 saa_handle = ibcm_get_saa_handle(hcap, hca_port.hp_port); 4803 if (saa_handle == NULL) { 4804 IBTF_DPRINTF_L2(cmlog, "ibcm_process_join_mcg: SA Handle NULL"); 4805 4806 retval = IBT_HCA_PORT_NOT_ACTIVE; 4807 goto ibcm_join_mcg_exit; 4808 } 4809 4810 if ((mcg_arg->mcg_attr.mc_pgid.gid_prefix != 0) && 4811 (mcg_arg->mcg_attr.mc_pgid.gid_guid != 0)) { 4812 retval = ibtl_cm_get_hca_port(mcg_arg->mcg_attr.mc_pgid, 0, 4813 &hca_port); 4814 if (retval != IBT_SUCCESS) { 4815 IBTF_DPRINTF_L2(cmlog, "ibcm_process_join_mcg: Failed " 4816 "to get PortInfo of specified PGID: status = %d", 4817 retval); 4818 goto ibcm_join_mcg_exit1; 4819 } 4820 } 4821 4822 /* Contact SA Access */ 4823 access_args.sq_attr_id = SA_MCMEMBERRECORD_ATTRID; 4824 access_args.sq_access_type = IBMF_SAA_UPDATE; 4825 access_args.sq_component_mask = component_mask; 4826 access_args.sq_template = &mcg_req; 4827 access_args.sq_template_length = sizeof (sa_mcmember_record_t); 4828 access_args.sq_callback = NULL; 4829 access_args.sq_callback_arg = NULL; 4830 4831 retval = ibcm_contact_sa_access(saa_handle, &access_args, &length, 4832 (void **)&mcg_resp); 4833 if (retval != IBT_SUCCESS) { 4834 IBTF_DPRINTF_L2(cmlog, "ibcm_process_join_mcg: " 4835 "SA Access Failed"); 4836 goto ibcm_join_mcg_exit; 4837 } 4838 4839 num_records = length/sizeof (sa_mcmember_record_t); 4840 4841 IBTF_DPRINTF_L4(cmlog, "ibcm_process_join_mcg: " 4842 "Found %d MCMember Records", num_records); 4843 4844 /* Validate the returned number of records. */ 4845 if ((mcg_resp != NULL) && (num_records > 0)) { 4846 /* Update the return values. */ 4847 mcg_info_p->mc_adds_vect.av_dgid = mcg_resp->MGID; 4848 mcg_info_p->mc_adds_vect.av_sgid = mcg_resp->PortGID; 4849 mcg_info_p->mc_adds_vect.av_srate = mcg_resp->Rate; 4850 mcg_info_p->mc_adds_vect.av_srvl = mcg_resp->SL; 4851 mcg_info_p->mc_adds_vect.av_flow = mcg_resp->FlowLabel; 4852 mcg_info_p->mc_adds_vect.av_tclass = mcg_resp->TClass; 4853 mcg_info_p->mc_adds_vect.av_hop = mcg_resp->HopLimit; 4854 mcg_info_p->mc_adds_vect.av_send_grh = B_TRUE; 4855 mcg_info_p->mc_adds_vect.av_dlid = mcg_resp->MLID; 4856 mcg_info_p->mc_mtu = mcg_resp->MTU; 4857 mcg_info_p->mc_qkey = mcg_resp->Q_Key; 4858 4859 retval = ibt_pkey2index_byguid(hca_port.hp_hca_guid, 4860 hca_port.hp_port, mcg_resp->P_Key, &mcg_info_p->mc_pkey_ix); 4861 if (retval != IBT_SUCCESS) { 4862 IBTF_DPRINTF_L3(cmlog, "ibcm_process_join_mcg: " 4863 "Pkey2Index Conversion failed<%d>", retval); 4864 mcg_info_p->mc_pkey_ix = 0; 4865 } 4866 4867 mcg_info_p->mc_scope = mcg_resp->Scope; 4868 mcg_info_p->mc_pkt_lt = mcg_resp->PacketLifeTime; 4869 4870 mcg_info_p->mc_adds_vect.av_port_num = hca_port.hp_port; 4871 mcg_info_p->mc_adds_vect.av_sgid_ix = hca_port.hp_sgid_ix; 4872 mcg_info_p->mc_adds_vect.av_src_path = 0; 4873 4874 /* Deallocate the memory allocated by SA for mcg_resp. */ 4875 kmem_free(mcg_resp, length); 4876 retval = IBT_SUCCESS; 4877 } else { 4878 retval = IBT_MCG_RECORDS_NOT_FOUND; 4879 IBTF_DPRINTF_L3(cmlog, "ibcm_process_join_mcg: " 4880 "MCG RECORDS NOT FOUND"); 4881 } 4882 4883 ibcm_join_mcg_exit: 4884 ibcm_dec_hca_acc_cnt(hcap); 4885 4886 ibcm_join_mcg_exit1: 4887 if (mcg_arg->func) 4888 (*(mcg_arg->func))(mcg_arg->arg, retval, mcg_info_p); 4889 4890 kmem_free(mcg_arg, sizeof (ibcm_join_mcg_tqarg_t)); 4891 4892 return (retval); 4893 } 4894 4895 4896 /* 4897 * Function: 4898 * ibt_leave_mcg 4899 * Input: 4900 * rgid The request GID that defines the HCA port upon which 4901 * to send the request to the Subnet Administrator, to 4902 * remove the specified port (port_gid) from the multicast 4903 * group. If 'port_gid' is the Reserved GID (i.e. 4904 * port_gid.gid_prefix = 0 and port_gid.gid_guid = 0), 4905 * then the end-port associated with 'rgid' is removed 4906 * from the multicast group. 4907 * 4908 * mc_gid A multicast group GID as returned from ibt_join_mcg() 4909 * call. This is optional, if not specified (i.e. 4910 * mc_gid.gid_prefix has 0xFF in its upper 8 bits to 4911 * identify this as being a multicast GID), then the 4912 * port is removed from all the multicast groups of 4913 * which it is a member. 4914 * 4915 * port_gid This is optional, if not the Reserved GID (gid_prefix 4916 * and gid_guid not equal to 0), then this specifies the 4917 * endport GID of the multicast group member being deleted 4918 * from the group. If it is the Reserved GID (gid_prefix 4919 * and gid_guid equal to 0) then the member endport GID is 4920 * determined from 'rgid'. 4921 * 4922 * mc_join_state The Join State attribute used when the group was joined 4923 * using ibt_join_mcg(). This Join State component must 4924 * contains at least one bit set to 1 in the same position 4925 * as that used during ibt_join_mcg(). i.e. the logical 4926 * AND of the two JoinState components is not all zeros. 4927 * This Join State component must not have some bits set 4928 * which are not set using ibt_join_mcg(). 4929 * Output: 4930 * None. 4931 * Returns: 4932 * IBT_SUCCESS 4933 * IBT_INVALID_PARAM 4934 * IBT_MC_GROUP_INVALID 4935 * IBT_INSUFF_RESOURCE 4936 * Description: 4937 * The port associated with the port GID shall be removed from the 4938 * multicast group specified by MGID (mc_gid) or from all the multicast 4939 * groups of which it is a member if the MGID (mc_gid) is not specified. 4940 * 4941 * The last full member to leave causes the destruction of the Multicast 4942 * Group. 4943 */ 4944 ibt_status_t 4945 ibt_leave_mcg(ib_gid_t rgid, ib_gid_t mc_gid, ib_gid_t port_gid, 4946 uint8_t mc_join_state) 4947 { 4948 sa_mcmember_record_t mcg_req; 4949 ibmf_saa_access_args_t access_args; 4950 ibmf_saa_handle_t saa_handle; 4951 uint64_t component_mask = 0; 4952 int sa_retval; 4953 ibt_status_t retval; 4954 ibtl_cm_hca_port_t hca_port; 4955 size_t length; 4956 void *results_p; 4957 ibcm_hca_info_t *hcap; 4958 4959 IBTF_DPRINTF_L3(cmlog, "ibt_leave_mcg(%llX:%llX, %llX:%llX)", 4960 rgid.gid_prefix, rgid.gid_guid, mc_gid.gid_prefix, mc_gid.gid_guid); 4961 4962 IBTF_DPRINTF_L3(cmlog, "ibt_leave_mcg(%llX:%llX, 0x%X)", 4963 port_gid.gid_prefix, port_gid.gid_guid, mc_join_state); 4964 4965 if ((rgid.gid_prefix == 0) || (rgid.gid_guid == 0)) { 4966 IBTF_DPRINTF_L2(cmlog, "ibt_leave_mcg: RequestGID is required"); 4967 return (IBT_INVALID_PARAM); 4968 } 4969 4970 bzero(&mcg_req, sizeof (sa_mcmember_record_t)); 4971 4972 IBTF_DPRINTF_L3(cmlog, "ibt_leave_mcg: MGID: %llX%llX", 4973 mc_gid.gid_prefix, mc_gid.gid_guid); 4974 4975 /* Validate MGID */ 4976 if ((mc_gid.gid_prefix >> 56ULL & 0xFF) == 0xFF) { 4977 mcg_req.MGID = mc_gid; 4978 component_mask |= SA_MC_COMPMASK_MGID; 4979 } else if ((mc_gid.gid_prefix != 0) || (mc_gid.gid_guid != 0)) { 4980 IBTF_DPRINTF_L3(cmlog, "ibt_leave_mcg: Invalid MGID specified"); 4981 return (IBT_MC_MGID_INVALID); 4982 } 4983 4984 if ((port_gid.gid_prefix == 0) || (port_gid.gid_guid == 0)) { 4985 mcg_req.PortGID = rgid; 4986 } else { 4987 IBTF_DPRINTF_L3(cmlog, "ibt_leave_mcg: Performing PROXY Leave"); 4988 mcg_req.PortGID = port_gid; 4989 } 4990 component_mask |= SA_MC_COMPMASK_PORTGID; 4991 4992 IBTF_DPRINTF_L3(cmlog, "ibt_leave_mcg: Port GID <%llX:%llX>", 4993 mcg_req.PortGID.gid_prefix, mcg_req.PortGID.gid_guid); 4994 4995 /* Join State */ 4996 mcg_req.JoinState = mc_join_state; 4997 component_mask |= SA_MC_COMPMASK_JOINSTATE; 4998 4999 retval = ibtl_cm_get_hca_port(rgid, 0, &hca_port); 5000 if (retval != IBT_SUCCESS) { 5001 IBTF_DPRINTF_L2(cmlog, "ibt_leave_mcg: Failed to get port info " 5002 "from specified RGID : status = %d", retval); 5003 return (retval); 5004 } 5005 5006 /* Get SA Access Handle. */ 5007 hcap = ibcm_find_hca_entry(hca_port.hp_hca_guid); 5008 if (hcap == NULL) { 5009 IBTF_DPRINTF_L2(cmlog, "ibt_leave_mcg: " 5010 "NO HCA found"); 5011 return (IBT_HCA_BUSY_DETACHING); 5012 } 5013 5014 saa_handle = ibcm_get_saa_handle(hcap, hca_port.hp_port); 5015 if (saa_handle == NULL) { 5016 IBTF_DPRINTF_L2(cmlog, "ibt_leave_mcg: saa_handle is NULL"); 5017 ibcm_dec_hca_acc_cnt(hcap); 5018 return (IBT_HCA_PORT_NOT_ACTIVE); 5019 } 5020 5021 /* Contact SA Access */ 5022 access_args.sq_attr_id = SA_MCMEMBERRECORD_ATTRID; 5023 access_args.sq_access_type = IBMF_SAA_DELETE; 5024 access_args.sq_component_mask = component_mask; 5025 access_args.sq_template = &mcg_req; 5026 access_args.sq_template_length = sizeof (sa_mcmember_record_t); 5027 access_args.sq_callback = NULL; 5028 access_args.sq_callback_arg = NULL; 5029 5030 ibcm_sa_access_enter(); 5031 5032 sa_retval = ibmf_sa_access(saa_handle, &access_args, 0, &length, 5033 &results_p); 5034 if (sa_retval != IBMF_SUCCESS) { 5035 IBTF_DPRINTF_L2(cmlog, "ibt_leave_mcg: SA access Failed: %d", 5036 sa_retval); 5037 (void) ibcm_ibmf_analyze_error(sa_retval); 5038 retval = IBT_MC_GROUP_INVALID; 5039 } 5040 5041 ibcm_sa_access_exit(); 5042 5043 ibcm_dec_hca_acc_cnt(hcap); 5044 5045 return (retval); 5046 } 5047 5048 5049 /* 5050 * Function: 5051 * ibt_query_mcg 5052 * Input: 5053 * rgid The request GID that defines the HCA port upon which 5054 * to send the request to the Subnet Administrator, to 5055 * retrieve Multicast Records matching attributes as 5056 * specified through 'mcg_attr' argument. 5057 * 5058 * mcg_attr NULL or a pointer to an ibt_mcg_attr_t structure that 5059 * specifies MCG attributes that are to be matched. 5060 * Attributes that are not required can be wild carded 5061 * by specifying as '0'. 5062 * 5063 * mcgs_max_num The maximum number of matching multicast groups to 5064 * return. If zero, then all available matching multicast 5065 * groups are returned. 5066 * Output: 5067 * mcgs_info_p The address of an ibt_mcg_info_t pointer, where 5068 * multicast group information is returned. The actual 5069 * number of entries filled in the array is returned in 5070 * entries_p. 5071 * 5072 * entries_p The number of ibt_mcg_attr_t entries returned. 5073 * Returns: 5074 * IBT_SUCCESS 5075 * IBT_INVALID_PARAM 5076 * IBT_MCG_RECORDS_NOT_FOUND 5077 * Description: 5078 * Request information on multicast groups that match the parameters 5079 * specified in mcg_attr. Information on each multicast group is returned 5080 * to the caller in the form of an array of ibt_mcg_info_t. 5081 * ibt_query_mcg() allocates the memory for this array and returns a 5082 * pointer to the array (mcgs_p) and the number of entries in the array 5083 * (entries_p). This memory should be freed by the client using 5084 * ibt_free_mcg_info(). 5085 */ 5086 ibt_status_t 5087 ibt_query_mcg(ib_gid_t rgid, ibt_mcg_attr_t *mcg_attr, uint_t mcgs_max_num, 5088 ibt_mcg_info_t **mcgs_info_p, uint_t *entries_p) 5089 { 5090 sa_mcmember_record_t mcg_req; 5091 sa_mcmember_record_t *mcg_resp; 5092 ibt_mcg_info_t *mcg_infop; 5093 ibmf_saa_access_args_t access_args; 5094 ibmf_saa_handle_t saa_handle; 5095 uint64_t component_mask = 0; 5096 ibt_status_t retval; 5097 ibtl_cm_hca_port_t hport; 5098 uint_t num_records; 5099 size_t length; 5100 void *results_p; 5101 ib_gid_t port_gid; 5102 ibcm_hca_info_t *hcap; 5103 5104 IBTF_DPRINTF_L3(cmlog, "ibt_query_mcg(%p, %d)", mcg_attr, mcgs_max_num); 5105 5106 if ((entries_p == NULL) || (mcgs_info_p == NULL)) { 5107 IBTF_DPRINTF_L2(cmlog, "ibt_query_mcg: " 5108 "entries_p or mcgs_info_p is NULL"); 5109 return (IBT_INVALID_PARAM); 5110 } 5111 5112 if ((rgid.gid_prefix == 0) || (rgid.gid_guid == 0)) { 5113 IBTF_DPRINTF_L2(cmlog, "ibt_query_mcg: RequestGID is required"); 5114 return (IBT_INVALID_PARAM); 5115 } 5116 IBTF_DPRINTF_L4(cmlog, "ibt_query_mcg: Request GID <%llX:%llX>", 5117 rgid.gid_prefix, rgid.gid_guid); 5118 5119 bzero(&mcg_req, sizeof (sa_mcmember_record_t)); 5120 port_gid.gid_prefix = port_gid.gid_guid = 0; 5121 5122 if (mcg_attr != NULL) { 5123 port_gid = mcg_attr->mc_pgid; 5124 5125 if ((port_gid.gid_prefix != 0) && (port_gid.gid_guid != 0)) { 5126 mcg_req.PortGID = mcg_attr->mc_pgid; 5127 component_mask |= SA_MC_COMPMASK_PORTGID; 5128 5129 IBTF_DPRINTF_L4(cmlog, "ibt_query_mcg: PGID %llX:%llX", 5130 port_gid.gid_prefix, port_gid.gid_guid); 5131 } 5132 5133 /* Is Q_Key specified. */ 5134 if (mcg_attr->mc_qkey != 0) { 5135 mcg_req.Q_Key = mcg_attr->mc_qkey; 5136 component_mask |= SA_MC_COMPMASK_QKEY; 5137 } 5138 5139 /* Is P_Key specified. */ 5140 if (mcg_attr->mc_pkey != 0) { 5141 mcg_req.P_Key = mcg_attr->mc_pkey; 5142 component_mask |= SA_MC_COMPMASK_PKEY; 5143 } 5144 5145 /* Is MGID specified. */ 5146 if ((mcg_attr->mc_mgid.gid_prefix >> 56ULL & 0xFF) == 0xFF) { 5147 mcg_req.MGID = mcg_attr->mc_mgid; 5148 component_mask |= SA_MC_COMPMASK_MGID; 5149 } 5150 5151 /* Is MTU specified. */ 5152 if (mcg_attr->mc_mtu_req.r_mtu) { 5153 mcg_req.MTU = mcg_attr->mc_mtu_req.r_mtu; 5154 mcg_req.MTUSelector = mcg_attr->mc_mtu_req.r_selector; 5155 5156 component_mask |= SA_MC_COMPMASK_MTUSELECTOR | 5157 SA_MC_COMPMASK_MTU; 5158 } 5159 5160 if (mcg_attr->mc_tclass) { 5161 mcg_req.TClass = mcg_attr->mc_tclass; 5162 component_mask |= SA_MC_COMPMASK_TCLASS; 5163 } 5164 5165 /* Is RATE specified. */ 5166 if (mcg_attr->mc_rate_req.r_srate) { 5167 mcg_req.Rate = mcg_attr->mc_rate_req.r_srate; 5168 mcg_req.RateSelector = mcg_attr->mc_rate_req.r_selector; 5169 5170 component_mask |= SA_MC_COMPMASK_RATESELECTOR | 5171 SA_MC_COMPMASK_RATE; 5172 } 5173 5174 /* Is Packet Life Time specified. */ 5175 if (mcg_attr->mc_pkt_lt_req.p_pkt_lt) { 5176 mcg_req.Rate = mcg_attr->mc_pkt_lt_req.p_pkt_lt; 5177 mcg_req.RateSelector = 5178 mcg_attr->mc_pkt_lt_req.p_selector; 5179 5180 component_mask |= SA_MC_COMPMASK_PKTLTSELECTOR | 5181 SA_MC_COMPMASK_PKTLT; 5182 } 5183 5184 if (mcg_attr->mc_hop) { 5185 mcg_req.HopLimit = mcg_attr->mc_hop; 5186 component_mask |= SA_MC_COMPMASK_HOPLIMIT; 5187 } 5188 5189 if (mcg_attr->mc_flow) { 5190 mcg_req.FlowLabel = mcg_attr->mc_flow; 5191 component_mask |= SA_MC_COMPMASK_FLOWLABEL; 5192 } 5193 5194 if (mcg_attr->mc_sl) { 5195 mcg_req.SL = mcg_attr->mc_sl; 5196 component_mask |= SA_MC_COMPMASK_SL; 5197 } 5198 5199 if (mcg_attr->mc_scope) { 5200 mcg_req.Scope = mcg_attr->mc_scope; 5201 component_mask |= SA_MC_COMPMASK_SCOPE; 5202 } 5203 5204 if (mcg_attr->mc_join_state) { 5205 mcg_req.JoinState = mcg_attr->mc_join_state; 5206 component_mask |= SA_MC_COMPMASK_JOINSTATE; 5207 } 5208 5209 if (mcg_attr->mc_mlid) { 5210 mcg_req.MLID = mcg_attr->mc_mlid; 5211 component_mask |= SA_MC_COMPMASK_MLID; 5212 } 5213 } 5214 5215 retval = ibtl_cm_get_hca_port(rgid, 0, &hport); 5216 if (retval != IBT_SUCCESS) { 5217 IBTF_DPRINTF_L2(cmlog, "ibt_query_mcg: Failed to get port info " 5218 "from specified RGID : status = %d", retval); 5219 return (retval); 5220 } 5221 5222 /* Get SA Access Handle. */ 5223 hcap = ibcm_find_hca_entry(hport.hp_hca_guid); 5224 if (hcap == NULL) { 5225 IBTF_DPRINTF_L2(cmlog, "ibt_query_mcg: NO HCA found"); 5226 return (IBT_HCA_BUSY_DETACHING); 5227 } 5228 5229 saa_handle = ibcm_get_saa_handle(hcap, hport.hp_port); 5230 if (saa_handle == NULL) { 5231 IBTF_DPRINTF_L2(cmlog, "ibt_query_mcg: saa_handle is NULL"); 5232 ibcm_dec_hca_acc_cnt(hcap); 5233 return (IBT_HCA_PORT_NOT_ACTIVE); 5234 } 5235 5236 /* Contact SA Access */ 5237 access_args.sq_attr_id = SA_MCMEMBERRECORD_ATTRID; 5238 access_args.sq_access_type = IBMF_SAA_RETRIEVE; 5239 access_args.sq_component_mask = component_mask; 5240 access_args.sq_template = &mcg_req; 5241 access_args.sq_template_length = sizeof (sa_mcmember_record_t); 5242 access_args.sq_callback = NULL; 5243 access_args.sq_callback_arg = NULL; 5244 5245 retval = ibcm_contact_sa_access(saa_handle, &access_args, &length, 5246 &results_p); 5247 if (retval != IBT_SUCCESS) { 5248 IBTF_DPRINTF_L2(cmlog, "ibt_query_mcg: SA access Failed"); 5249 ibcm_dec_hca_acc_cnt(hcap); 5250 return (retval); 5251 } 5252 5253 num_records = length/sizeof (sa_mcmember_record_t); 5254 5255 IBTF_DPRINTF_L4(cmlog, "ibt_query_mcg: Found %d MCMember Records", 5256 num_records); 5257 5258 /* Validate the returned number of records. */ 5259 if ((results_p != NULL) && (num_records > 0)) { 5260 uint_t i; 5261 5262 /* 5263 * If mcgs_max_num is zero, then return all records else 5264 * return only requested number of records 5265 */ 5266 if ((mcgs_max_num != 0) && (num_records > mcgs_max_num)) { 5267 /* we are interested in only mcgs_max_num records */ 5268 num_records = mcgs_max_num; 5269 } 5270 5271 /* 5272 * The SGID returned in "mcg_info_p" buffer should be PortGID, 5273 * (mcg_attr->mc_pgid), if 'mcg_attr->mc_pgid' was specified, 5274 * else RequestGID (rgid) should be returned. 5275 */ 5276 if ((port_gid.gid_prefix != 0) && (port_gid.gid_guid != 0)) { 5277 5278 /* Get sgid_ix and port number of 'port_gid' */ 5279 retval = ibtl_cm_get_hca_port(port_gid, 0, &hport); 5280 if (retval != IBT_SUCCESS) { 5281 IBTF_DPRINTF_L2(cmlog, "ibt_query_mcg: " 5282 "Failed to Get Portinfo for PortGID :" 5283 "status = %d", retval); 5284 return (retval); 5285 } 5286 } else { 5287 /* 5288 * The sgid_ix and port number related to RequestGID 5289 * are already obtained at the beginning. 5290 */ 5291 port_gid = rgid; 5292 } 5293 5294 /* 5295 * Allocate memory for return buffer, to be freed in 5296 * ibt_free_mcg_info(). 5297 */ 5298 mcg_infop = kmem_alloc((num_records * sizeof (ibt_mcg_info_t)), 5299 KM_SLEEP); 5300 5301 *mcgs_info_p = mcg_infop; 5302 *entries_p = num_records; 5303 5304 /* Update the return values. */ 5305 for (i = 0; i < num_records; i++) { 5306 5307 mcg_resp = (sa_mcmember_record_t *)((uchar_t *) 5308 results_p + i * sizeof (sa_mcmember_record_t)); 5309 5310 mcg_infop[i].mc_adds_vect.av_dgid = mcg_resp->MGID; 5311 mcg_infop[i].mc_adds_vect.av_sgid = port_gid; 5312 mcg_infop[i].mc_adds_vect.av_srate = mcg_resp->Rate; 5313 mcg_infop[i].mc_adds_vect.av_srvl = mcg_resp->SL; 5314 mcg_infop[i].mc_adds_vect.av_flow = mcg_resp->FlowLabel; 5315 mcg_infop[i].mc_adds_vect.av_tclass = mcg_resp->TClass; 5316 mcg_infop[i].mc_adds_vect.av_hop = mcg_resp->HopLimit; 5317 mcg_infop[i].mc_adds_vect.av_port_num = hport.hp_port; 5318 mcg_infop[i].mc_adds_vect.av_send_grh = B_TRUE; 5319 mcg_infop[i].mc_adds_vect.av_dlid = mcg_resp->MLID; 5320 mcg_infop[i].mc_adds_vect.av_sgid_ix = hport.hp_sgid_ix; 5321 mcg_infop[i].mc_adds_vect.av_src_path = 0; 5322 mcg_infop[i].mc_mtu = mcg_resp->MTU; 5323 mcg_infop[i].mc_qkey = mcg_resp->Q_Key; 5324 mcg_infop[i].mc_scope = mcg_resp->Scope; 5325 mcg_infop[i].mc_pkt_lt = mcg_resp->PacketLifeTime; 5326 5327 if (ibt_pkey2index_byguid(hport.hp_hca_guid, 5328 hport.hp_port, mcg_resp->P_Key, 5329 &mcg_infop[i].mc_pkey_ix) != IBT_SUCCESS) { 5330 IBTF_DPRINTF_L3(cmlog, "ibt_query_mcg: " 5331 "Pkey2Index Conversion failed"); 5332 mcg_infop[i].mc_pkey_ix = 0; 5333 } 5334 } 5335 5336 /* 5337 * Deallocate the memory allocated by SA for results_p. 5338 */ 5339 kmem_free(results_p, length); 5340 retval = IBT_SUCCESS; 5341 5342 IBTF_DPRINTF_L3(cmlog, "ibt_query_mcg: returning %d MCGRecords", 5343 num_records); 5344 5345 } else { 5346 retval = IBT_MCG_RECORDS_NOT_FOUND; 5347 *entries_p = 0; 5348 5349 IBTF_DPRINTF_L3(cmlog, "ibt_query_mcg: MCG RECORDS NOT FOUND"); 5350 } 5351 5352 ibcm_dec_hca_acc_cnt(hcap); 5353 5354 return (retval); 5355 } 5356 5357 5358 /* 5359 * ibt_free_mcg_info() 5360 * Free the memory allocated by successful ibt_query_mcg() 5361 * 5362 * mcgs_info Pointer returned by ibt_query_mcg(). 5363 * 5364 * entries The number of ibt_mcg_info_t entries to free. 5365 */ 5366 void 5367 ibt_free_mcg_info(ibt_mcg_info_t *mcgs_info, uint_t entries) 5368 { 5369 IBTF_DPRINTF_L3(cmlog, "ibt_free_mcg_info: " 5370 "Free <%d> entries from 0x%p", entries, mcgs_info); 5371 5372 if ((mcgs_info != NULL) && (entries > 0)) 5373 kmem_free(mcgs_info, entries * sizeof (ibt_mcg_info_t)); 5374 else 5375 IBTF_DPRINTF_L2(cmlog, "ibt_free_mcg_info: " 5376 "ERROR: NULL buf pointer or length specified."); 5377 } 5378 5379 5380 /* 5381 * Function: 5382 * ibt_gid_to_node_info() 5383 * Input: 5384 * gid Identifies the IB Node and port for which to obtain 5385 * Node information. 5386 * Output: 5387 * node_info_p A pointer to an ibt_node_info_t structure (allocated 5388 * by the caller) in which to return the node information. 5389 * Returns: 5390 * IBT_SUCCESS 5391 * IBT_INVALID_PARAM 5392 * IBT_NODE_RECORDS_NOT_FOUND 5393 * IBT_NO_HCAS_AVAILABLE 5394 * Description: 5395 * Retrieve Node Information for the specified GID. 5396 */ 5397 ibt_status_t 5398 ibt_gid_to_node_info(ib_gid_t gid, ibt_node_info_t *node_info_p) 5399 { 5400 sa_node_record_t nr_req, *nr_resp; 5401 ibmf_saa_handle_t saa_handle; 5402 ibt_status_t retval; 5403 ibcm_hca_info_t *hcap; 5404 ibtl_cm_hca_port_t hport; 5405 int i, j; 5406 uint_t num_rec; 5407 ib_guid_t *guid_array = NULL; 5408 sa_path_record_t *path; 5409 size_t len; 5410 uint8_t npaths; 5411 uint32_t num_hcas = 0; 5412 ib_lid_t node_lid; 5413 boolean_t local_node = B_FALSE; 5414 void *res_p; 5415 uint8_t num_ports = 0; 5416 5417 5418 IBTF_DPRINTF_L4(cmlog, "ibt_gid_to_node_info(%llX:%llX, %p)", 5419 gid.gid_prefix, gid.gid_guid, node_info_p); 5420 5421 if ((gid.gid_prefix == 0) || (gid.gid_guid == 0)) { 5422 IBTF_DPRINTF_L2(cmlog, "ibt_gid_to_node_info: GID is required"); 5423 return (IBT_INVALID_PARAM); 5424 } 5425 5426 if (node_info_p == NULL) { 5427 IBTF_DPRINTF_L2(cmlog, "ibt_gid_to_node_info: " 5428 "Return Buf (node_info_p) is NULL."); 5429 return (IBT_INVALID_PARAM); 5430 } 5431 5432 /* 5433 * If 'gid' is on local node, then get node lid (i.e. base lid of the 5434 * associated port) info via ibtl_cm_get_hca_port() call. 5435 */ 5436 bzero(&hport, sizeof (ibtl_cm_hca_port_t)); 5437 if (ibtl_cm_get_hca_port(gid, 0, &hport) == IBT_SUCCESS) { 5438 5439 hcap = ibcm_find_hca_entry(hport.hp_hca_guid); 5440 if (hcap == NULL) { 5441 IBTF_DPRINTF_L3(cmlog, "ibt_gid_to_node_info: " 5442 "HCA(%llX) info not found", hport.hp_hca_guid); 5443 return (IBT_NO_HCAS_AVAILABLE); 5444 } 5445 num_ports = 1; 5446 num_hcas = 1; 5447 node_lid = hport.hp_base_lid; 5448 local_node = B_TRUE; 5449 IBTF_DPRINTF_L4(cmlog, "ibt_gid_to_node_info: Local Node: " 5450 "LID = 0x%X", node_lid); 5451 } else { 5452 /* Get the number of HCAs and their GUIDs */ 5453 num_hcas = ibt_get_hca_list(&guid_array); 5454 IBTF_DPRINTF_L4(cmlog, "ibt_gid_to_node_info: ibt_get_hca_list " 5455 "returned %d hcas", num_hcas); 5456 5457 if (num_hcas == 0) { 5458 IBTF_DPRINTF_L2(cmlog, "ibt_gid_to_node_info: " 5459 "NO HCA's Found on this system"); 5460 return (IBT_NO_HCAS_AVAILABLE); 5461 } 5462 } 5463 5464 for (i = 0; i < num_hcas; i++) { 5465 if (local_node == B_FALSE) { 5466 hcap = ibcm_find_hca_entry(guid_array[i]); 5467 if (hcap == NULL) { 5468 IBTF_DPRINTF_L3(cmlog, "ibt_gid_to_node_info: " 5469 "HCA(%llX) info not found", guid_array[i]); 5470 retval = IBT_NO_HCAS_AVAILABLE; 5471 continue; 5472 } 5473 num_ports = hcap->hca_num_ports; 5474 } 5475 5476 for (j = 0; j < num_ports; j++) { 5477 uint8_t port = 0; 5478 5479 if (local_node == B_TRUE) 5480 port = hport.hp_port; 5481 else 5482 port = j + 1; 5483 5484 /* Get SA Access Handle. */ 5485 saa_handle = ibcm_get_saa_handle(hcap, port); 5486 if (saa_handle == NULL) { 5487 IBTF_DPRINTF_L3(cmlog, "ibt_gid_to_node_info: " 5488 "Port %d of HCA (%llX) is NOT ACTIVE", 5489 port, hport.hp_hca_guid); 5490 retval = IBT_NODE_RECORDS_NOT_FOUND; 5491 continue; 5492 } 5493 5494 if (local_node == B_FALSE) { 5495 ib_gid_t sgid; 5496 int sa_ret; 5497 5498 /* 5499 * Check whether 'gid' and this port has same 5500 * subnet prefix. If not, then there is no use 5501 * in searching from this port. 5502 */ 5503 sgid = hcap->hca_port_info[j].port_sgid0; 5504 if (gid.gid_prefix != sgid.gid_prefix) { 5505 IBTF_DPRINTF_L3(cmlog, 5506 "ibt_gid_to_node_info:Sn_Prefix of " 5507 "GID(%llX) and Port's(%llX) differ", 5508 gid.gid_prefix, sgid.gid_prefix); 5509 retval = IBT_NODE_RECORDS_NOT_FOUND; 5510 continue; 5511 } 5512 5513 /* 5514 * First Get Path Records for the specified DGID 5515 * from this port (SGID). From Path Records, 5516 * note down DLID, then use this DLID as Input 5517 * attribute to get NodeRecords from SA Access. 5518 */ 5519 npaths = 1; 5520 path = NULL; 5521 5522 sa_ret = ibmf_saa_gid_to_pathrecords(saa_handle, 5523 sgid, gid, 0, 0, B_TRUE, &npaths, 0, &len, 5524 &path); 5525 if (sa_ret != IBMF_SUCCESS) { 5526 IBTF_DPRINTF_L2(cmlog, 5527 "ibt_gid_to_node_info: " 5528 "ibmf_saa_gid_to_pathrecords() " 5529 "returned error: %d ", sa_ret); 5530 retval = 5531 ibcm_ibmf_analyze_error(sa_ret); 5532 continue; 5533 } else if ((npaths == 0) || (path == NULL)) { 5534 IBTF_DPRINTF_L3(cmlog, 5535 "ibt_gid_to_node_info: failed (%d) " 5536 "to get path records for the DGID " 5537 "0x%llX from SGID 0x%llX", sa_ret, 5538 gid.gid_guid, sgid.gid_guid); 5539 retval = IBT_NODE_RECORDS_NOT_FOUND; 5540 continue; 5541 } 5542 node_lid = path->DLID; /* LID */ 5543 5544 IBTF_DPRINTF_L3(cmlog, "ibt_gid_to_node_info: " 5545 "Remote Node: LID = 0x%X", node_lid); 5546 5547 /* Free SA_Access memory for path record. */ 5548 kmem_free(path, len); 5549 } 5550 5551 /* Retrieve Node Records from SA Access. */ 5552 bzero(&nr_req, sizeof (sa_node_record_t)); 5553 5554 nr_req.LID = node_lid; /* LID */ 5555 5556 retval = ibcm_get_node_rec(saa_handle, &nr_req, 5557 SA_NODEINFO_COMPMASK_NODELID, &res_p, &len); 5558 if (retval == IBT_NODE_RECORDS_NOT_FOUND) { 5559 IBTF_DPRINTF_L2(cmlog, "ibt_gid_to_node_info: " 5560 "failed (%d) to get Node records", retval); 5561 continue; 5562 } else if (retval != IBT_SUCCESS) { 5563 IBTF_DPRINTF_L2(cmlog, "ibt_gid_to_node_info: " 5564 "failed (%d) to get Node records", retval); 5565 ibcm_dec_hca_acc_cnt(hcap); 5566 goto gid_to_ni_exit; 5567 } 5568 5569 num_rec = len/sizeof (sa_node_record_t); 5570 nr_resp = (sa_node_record_t *)(uchar_t *)res_p; 5571 5572 /* Validate the returned number of records. */ 5573 if ((nr_resp != NULL) && (num_rec > 0)) { 5574 5575 IBCM_DUMP_NODE_REC(nr_resp); 5576 5577 _NOTE(NOW_INVISIBLE_TO_OTHER_THREADS( 5578 *node_info_p)) 5579 5580 node_info_p->n_sys_img_guid = 5581 nr_resp->NodeInfo.SystemImageGUID; 5582 node_info_p->n_node_guid = 5583 nr_resp->NodeInfo.NodeGUID; 5584 node_info_p->n_port_guid = 5585 nr_resp->NodeInfo.PortGUID; 5586 node_info_p->n_dev_id = 5587 nr_resp->NodeInfo.DeviceID; 5588 node_info_p->n_revision = 5589 nr_resp->NodeInfo.Revision; 5590 node_info_p->n_vendor_id = 5591 nr_resp->NodeInfo.VendorID; 5592 node_info_p->n_num_ports = 5593 nr_resp->NodeInfo.NumPorts; 5594 node_info_p->n_port_num = 5595 nr_resp->NodeInfo.LocalPortNum; 5596 node_info_p->n_node_type = 5597 nr_resp->NodeInfo.NodeType; 5598 (void) strncpy(node_info_p->n_description, 5599 (char *)&nr_resp->NodeDescription, 64); 5600 5601 _NOTE(NOW_VISIBLE_TO_OTHER_THREADS( 5602 *node_info_p)) 5603 5604 /* 5605 * Deallocate the memory allocated by SA for 5606 * 'nr_resp'. 5607 */ 5608 ibcm_dec_hca_acc_cnt(hcap); 5609 kmem_free(nr_resp, len); 5610 retval = IBT_SUCCESS; 5611 5612 goto gid_to_ni_exit; 5613 } else { 5614 retval = IBT_NODE_RECORDS_NOT_FOUND; 5615 IBTF_DPRINTF_L3(cmlog, "ibt_gid_to_node_info: " 5616 "Node Records NOT found - PortGUID %016llX", 5617 gid.gid_guid); 5618 } 5619 } 5620 ibcm_dec_hca_acc_cnt(hcap); 5621 5622 if (local_node == B_TRUE) 5623 break; 5624 } 5625 5626 gid_to_ni_exit: 5627 if (guid_array) 5628 ibt_free_hca_list(guid_array, num_hcas); 5629 5630 IBTF_DPRINTF_L3(cmlog, "ibt_gid_to_node_info: done. Status %d", retval); 5631 5632 return (retval); 5633 } 5634 5635 5636 static ibt_status_t 5637 ibcm_get_node_rec(ibmf_saa_handle_t saa_handle, sa_node_record_t *nr_req, 5638 uint64_t component_mask, void *result_p, size_t *len) 5639 { 5640 ibmf_saa_access_args_t args; 5641 size_t length; 5642 ibt_status_t retval; 5643 5644 args.sq_attr_id = SA_NODERECORD_ATTRID; 5645 args.sq_template = nr_req; 5646 args.sq_access_type = IBMF_SAA_RETRIEVE; 5647 args.sq_template_length = sizeof (sa_node_record_t); 5648 args.sq_component_mask = component_mask; 5649 args.sq_callback = NULL; 5650 args.sq_callback_arg = NULL; 5651 5652 retval = ibcm_contact_sa_access(saa_handle, &args, &length, result_p); 5653 if (retval != IBT_SUCCESS) { 5654 IBTF_DPRINTF_L2(cmlog, "ibcm_get_node_rec: SA Call Failed"); 5655 return (retval); 5656 } 5657 5658 *len = length; 5659 5660 /* Validate the returned number of records. */ 5661 if ((result_p != NULL) && (length > 0)) { 5662 IBTF_DPRINTF_L3(cmlog, "ibcm_get_node_rec: Node Records FOUND"); 5663 5664 /* Got it, done!. */ 5665 return (IBT_SUCCESS); 5666 } else { 5667 IBTF_DPRINTF_L2(cmlog, "ibcm_get_node_rec: Node Rec NOT found"); 5668 return (IBT_NODE_RECORDS_NOT_FOUND); 5669 } 5670 } 5671 5672 5673 /* 5674 * Function: 5675 * ibt_get_companion_port_gids() 5676 * Description: 5677 * Get list of GID's available on a companion port(s) of the specified 5678 * GID or list of GIDs available on a specified Node GUID/SystemImage GUID. 5679 */ 5680 ibt_status_t 5681 ibt_get_companion_port_gids(ib_gid_t gid, ib_guid_t hca_guid, 5682 ib_guid_t sysimg_guid, ib_gid_t **gids_p, uint_t *num_gids_p) 5683 { 5684 sa_node_record_t nr_req, *nr_resp; 5685 void *res_p; 5686 ibmf_saa_handle_t saa_handle; 5687 int sa_ret; 5688 ibt_status_t retval = IBT_SUCCESS; 5689 ibcm_hca_info_t *hcap; 5690 ibtl_cm_hca_port_t hport; 5691 int i, j; 5692 uint_t num_rec; 5693 ib_guid_t *guid_array = NULL; 5694 sa_path_record_t *path; 5695 size_t len; 5696 uint8_t npaths; 5697 uint32_t num_hcas = 0; 5698 boolean_t local_node = B_FALSE; 5699 boolean_t local_hca = B_FALSE; 5700 ib_guid_t h_guid = hca_guid; 5701 ib_gid_t *gidp = NULL, *t_gidp = NULL; 5702 int multi_hca_loop = 0; 5703 5704 IBTF_DPRINTF_L4(cmlog, "ibt_get_companion_port_gids(%llX:%llX, %llX, " 5705 "%llX)", gid.gid_prefix, gid.gid_guid, hca_guid, sysimg_guid); 5706 5707 if (((gid.gid_prefix == 0) || (gid.gid_guid == 0)) && (hca_guid == 0) && 5708 (sysimg_guid == 0)) { 5709 IBTF_DPRINTF_L2(cmlog, "ibt_get_companion_port_gids: " 5710 "Null Input attribute specified."); 5711 return (IBT_INVALID_PARAM); 5712 } 5713 5714 if ((num_gids_p == NULL) || (gids_p == NULL)) { 5715 IBTF_DPRINTF_L2(cmlog, "ibt_get_companion_port_gids: " 5716 "num_gids_p or gids_p is NULL"); 5717 return (IBT_INVALID_PARAM); 5718 } 5719 5720 *num_gids_p = 0; 5721 5722 /* Get the number of HCAs and their GUIDs */ 5723 if ((num_hcas = ibt_get_hca_list(&guid_array)) == 0) { 5724 IBTF_DPRINTF_L2(cmlog, "ibt_get_companion_port_gids: " 5725 "NO HCA's Found on this system"); 5726 return (IBT_NO_HCAS_AVAILABLE); 5727 } 5728 5729 IBTF_DPRINTF_L4(cmlog, "ibt_get_companion_port_gids: " 5730 "ibt_get_hca_list() returned %d hcas", num_hcas); 5731 5732 /* 5733 * If 'gid' is on local node, then get node lid (i.e. base lid of the 5734 * associated port) info via ibtl_cm_get_hca_port() call. 5735 */ 5736 bzero(&hport, sizeof (ibtl_cm_hca_port_t)); 5737 if ((gid.gid_prefix != 0) && (gid.gid_guid != 0) && 5738 (ibtl_cm_get_hca_port(gid, 0, &hport) == IBT_SUCCESS)) { 5739 5740 if ((hca_guid != 0) && (hca_guid != hport.hp_hca_guid)) { 5741 IBTF_DPRINTF_L2(cmlog, "ibt_get_companion_port_gids: " 5742 "Invalid GID<->HCAGUID combination specified."); 5743 retval = IBT_INVALID_PARAM; 5744 goto get_comp_pgid_exit; 5745 } 5746 h_guid = hport.hp_hca_guid; 5747 local_node = B_TRUE; 5748 5749 IBTF_DPRINTF_L4(cmlog, "ibt_get_companion_port_gids: " 5750 "Local Node: HCA (0x%llX)", h_guid); 5751 } else if (h_guid) { /* Is specified HCA GUID - local? */ 5752 for (i = 0; i < num_hcas; i++) { 5753 if (h_guid == guid_array[i]) { 5754 local_hca = B_TRUE; 5755 break; 5756 } 5757 } 5758 } else if (sysimg_guid) { /* Is specified SystemImage GUID - local? */ 5759 for (i = 0; i < num_hcas; i++) { 5760 ibt_status_t ret; 5761 ibt_hca_attr_t hca_attr; 5762 5763 ret = ibt_query_hca_byguid(guid_array[i], &hca_attr); 5764 if (ret != IBT_SUCCESS) { 5765 IBTF_DPRINTF_L2(cmlog, 5766 "ibt_get_companion_port_gids: HCA(%llX) " 5767 "info not found", guid_array[i]); 5768 retval = IBT_NO_HCAS_AVAILABLE; 5769 continue; 5770 } 5771 if (hca_attr.hca_si_guid == sysimg_guid) { 5772 if ((hca_guid != 0) && 5773 (hca_guid != hca_attr.hca_node_guid)) { 5774 IBTF_DPRINTF_L2(cmlog, 5775 "ibt_get_companion_port_gids: " 5776 "Invalid SysImg<->HCA GUID " 5777 "combination specified."); 5778 retval = IBT_INVALID_PARAM; 5779 goto get_comp_pgid_exit; 5780 } 5781 local_hca = B_TRUE; 5782 h_guid = hca_attr.hca_node_guid; 5783 break; 5784 } 5785 } 5786 } 5787 5788 if ((local_node == B_TRUE) || (local_hca == B_TRUE)) { 5789 retval = ibtl_cm_get_local_comp_gids(h_guid, gid, gids_p, 5790 num_gids_p); 5791 goto get_comp_pgid_exit; 5792 } 5793 5794 get_comp_for_multihca: 5795 /* We will be here, if request is for remote node */ 5796 for (i = 0; i < num_hcas; i++) { 5797 int multism; 5798 uint_t count = 0; 5799 int multi_sm_loop = 0; 5800 uint_t k = 0, l; 5801 5802 hcap = ibcm_find_hca_entry(guid_array[i]); 5803 if (hcap == NULL) { 5804 IBTF_DPRINTF_L3(cmlog, "ibt_get_companion_port_gids: " 5805 "HCA(%llX) info not found", guid_array[i]); 5806 retval = IBT_NO_HCAS_AVAILABLE; 5807 continue; 5808 } 5809 5810 /* 1 - MultiSM, 0 - Single SM */ 5811 multism = ibtl_cm_is_multi_sm(guid_array[i]); 5812 5813 for (j = 0; j < hcap->hca_num_ports; j++) { 5814 ib_gid_t sgid; 5815 uint64_t c_mask = 0; 5816 ib_guid_t pg; 5817 uint_t port = j; 5818 5819 get_comp_for_multism: 5820 IBTF_DPRINTF_L3(cmlog, "ibt_get_companion_port_gids: " 5821 "Port %d, HCA %llX, MultiSM= %d, Loop=%d", 5822 port + 1, h_guid, multism, multi_sm_loop); 5823 5824 /* Get SA Access Handle. */ 5825 saa_handle = ibcm_get_saa_handle(hcap, port + 1); 5826 if (saa_handle == NULL) { 5827 IBTF_DPRINTF_L2(cmlog, 5828 "ibt_get_companion_port_gids: " 5829 "Port (%d) - NOT ACTIVE", port + 1); 5830 retval = IBT_GIDS_NOT_FOUND; 5831 continue; 5832 } 5833 5834 /* 5835 * Check whether 'gid' and this port has same subnet 5836 * prefix. If not, then there is no use in searching 5837 * from this port. 5838 */ 5839 sgid = hcap->hca_port_info[port].port_sgid0; 5840 if ((h_guid == 0) && (gid.gid_prefix != 0) && 5841 (multi_sm_loop == 0) && 5842 (gid.gid_prefix != sgid.gid_prefix)) { 5843 IBTF_DPRINTF_L2(cmlog, 5844 "ibt_get_companion_port_gids: SnPrefix of " 5845 "GID(%llX) and Port SN_Pfx(%llX) differ", 5846 gid.gid_prefix, sgid.gid_prefix); 5847 retval = IBT_GIDS_NOT_FOUND; 5848 continue; 5849 } 5850 5851 /* 5852 * If HCA GUID or System Image GUID is specified, then 5853 * we can achieve our goal sooner!. 5854 */ 5855 if ((h_guid == 0) && (sysimg_guid == 0)) { 5856 /* So only GID info is provided. */ 5857 5858 /* 5859 * First Get Path Records for the specified DGID 5860 * from this port (SGID). From Path Records, 5861 * note down DLID, then use this DLID as Input 5862 * attribute to get NodeRecords. 5863 */ 5864 npaths = 1; 5865 path = NULL; 5866 5867 sa_ret = ibmf_saa_gid_to_pathrecords(saa_handle, 5868 sgid, gid, 0, 0, B_TRUE, &npaths, 0, &len, 5869 &path); 5870 if (sa_ret != IBMF_SUCCESS) { 5871 IBTF_DPRINTF_L2(cmlog, 5872 "ibt_get_companion_port_gids: " 5873 "ibmf_saa_gid_to_pathrecords() " 5874 "returned error: %d ", sa_ret); 5875 retval = 5876 ibcm_ibmf_analyze_error(sa_ret); 5877 ibcm_dec_hca_acc_cnt(hcap); 5878 goto get_comp_pgid_exit; 5879 } else if ((npaths == 0) || (path == NULL)) { 5880 IBTF_DPRINTF_L2(cmlog, 5881 "ibt_get_companion_port_gids: " 5882 "failed (%d) to get path records " 5883 "for the DGID (0x%llX) from SGID " 5884 "(0x%llX)", sa_ret, gid.gid_guid, 5885 sgid.gid_guid); 5886 retval = IBT_GIDS_NOT_FOUND; 5887 continue; 5888 } 5889 5890 bzero(&nr_req, sizeof (sa_node_record_t)); 5891 nr_req.LID = path->DLID; /* LID */ 5892 5893 IBTF_DPRINTF_L3(cmlog, 5894 "ibt_get_companion_port_gids: " 5895 "Remote Node: LID = 0x%X", nr_req.LID); 5896 5897 /* Free SA_Access memory for path record. */ 5898 kmem_free(path, len); 5899 5900 IBTF_DPRINTF_L3(cmlog, 5901 "ibt_get_companion_port_gids: SAA Call: " 5902 "based on LID "); 5903 5904 retval = ibcm_get_node_rec(saa_handle, &nr_req, 5905 SA_NODEINFO_COMPMASK_NODELID, &res_p, &len); 5906 if (retval == IBT_NODE_RECORDS_NOT_FOUND) { 5907 IBTF_DPRINTF_L2(cmlog, 5908 "ibt_get_companion_port_gids: " 5909 "failed (%d) to get Node records", 5910 retval); 5911 continue; 5912 } else if (retval != IBT_SUCCESS) { 5913 IBTF_DPRINTF_L2(cmlog, 5914 "ibt_get_companion_port_gids: " 5915 "failed (%d) to get Node records", 5916 retval); 5917 ibcm_dec_hca_acc_cnt(hcap); 5918 goto get_comp_pgid_exit; 5919 } 5920 5921 nr_resp = (sa_node_record_t *)(uchar_t *)res_p; 5922 /* Note down HCA GUID info. */ 5923 h_guid = nr_resp->NodeInfo.NodeGUID; 5924 5925 IBTF_DPRINTF_L3(cmlog, 5926 "ibt_get_companion_port_gids: " 5927 "Remote HCA GUID: 0x%llX", h_guid); 5928 5929 IBCM_DUMP_NODE_REC(nr_resp); 5930 5931 kmem_free(res_p, len); 5932 } 5933 5934 bzero(&nr_req, sizeof (sa_node_record_t)); 5935 if (h_guid != 0) { 5936 nr_req.NodeInfo.NodeGUID = h_guid; 5937 c_mask = SA_NODEINFO_COMPMASK_NODEGUID; 5938 } 5939 5940 if (sysimg_guid != 0) { 5941 nr_req.NodeInfo.SystemImageGUID = sysimg_guid; 5942 c_mask |= SA_NODEINFO_COMPMASK_SYSIMAGEGUID; 5943 } 5944 5945 IBTF_DPRINTF_L3(cmlog, "ibt_get_companion_port_gids: " 5946 "SAA Call: CMASK= 0x%llX", c_mask); 5947 5948 retval = ibcm_get_node_rec(saa_handle, &nr_req, c_mask, 5949 &res_p, &len); 5950 if (retval == IBT_NODE_RECORDS_NOT_FOUND) { 5951 IBTF_DPRINTF_L3(cmlog, 5952 "ibt_get_companion_port_gids: " 5953 "failed (%d) to get Node records", retval); 5954 continue; 5955 } else if (retval != IBT_SUCCESS) { 5956 IBTF_DPRINTF_L2(cmlog, 5957 "ibt_get_companion_port_gids: Error: (%d) " 5958 "while getting Node records", retval); 5959 ibcm_dec_hca_acc_cnt(hcap); 5960 goto get_comp_pgid_exit; 5961 } 5962 5963 num_rec = len/sizeof (sa_node_record_t); 5964 5965 /* We will be here, only if we found some NodeRec */ 5966 if (gid.gid_prefix && gid.gid_guid) { 5967 nr_resp = (sa_node_record_t *)res_p; 5968 for (l = 0; l < num_rec; l++, nr_resp++) { 5969 pg = nr_resp->NodeInfo.PortGUID; 5970 if (gid.gid_guid != pg) 5971 count++; 5972 } 5973 } else { 5974 count = num_rec; 5975 } 5976 5977 if (count != 0) { 5978 if (multi_sm_loop == 1) { 5979 count += k; 5980 t_gidp = kmem_zalloc(count * 5981 sizeof (ib_gid_t), KM_SLEEP); 5982 5983 if ((k != 0) && (gidp != NULL)) { 5984 bcopy(gidp, t_gidp, 5985 k * sizeof (ib_gid_t)); 5986 kmem_free(gidp, 5987 k * sizeof (ib_gid_t)); 5988 } 5989 gidp = t_gidp; 5990 } else { 5991 gidp = kmem_zalloc(count * 5992 sizeof (ib_gid_t), KM_SLEEP); 5993 } 5994 *num_gids_p = count; 5995 *gids_p = gidp; 5996 5997 nr_resp = (sa_node_record_t *)res_p; 5998 for (l = 0; l < num_rec; l++, nr_resp++) { 5999 IBCM_DUMP_NODE_REC(nr_resp); 6000 6001 pg = nr_resp->NodeInfo.PortGUID; 6002 IBTF_DPRINTF_L4(cmlog, 6003 "ibt_get_companion_port_gids: " 6004 "PortGID %llX", pg); 6005 6006 if (pg != gid.gid_guid) { 6007 gidp[k].gid_prefix = 6008 sgid.gid_prefix; 6009 gidp[k].gid_guid = pg; 6010 6011 IBTF_DPRINTF_L3(cmlog, 6012 "ibt_get_companion_pgids: " 6013 "GID[%d] = %llX:%llX", k, 6014 gidp[k].gid_prefix, 6015 gidp[k].gid_guid); 6016 6017 k++; 6018 if (k == count) 6019 break; 6020 } 6021 } 6022 retval = IBT_SUCCESS; /* done!. */ 6023 kmem_free(res_p, len); 6024 ibcm_dec_hca_acc_cnt(hcap); 6025 goto get_comp_pgid_exit; 6026 } else { 6027 IBTF_DPRINTF_L2(cmlog, 6028 "ibt_get_companion_port_gids: " 6029 "Companion PortGIDs not available"); 6030 retval = IBT_GIDS_NOT_FOUND; 6031 } 6032 /* Deallocate the memory for 'res_p'. */ 6033 kmem_free(res_p, len); 6034 6035 /* 6036 * If we are on MultiSM setup, then we need to lookout 6037 * from that subnet port too. 6038 */ 6039 if (multism) { 6040 /* break if already searched both the subnet */ 6041 if (multi_sm_loop == 1) 6042 break; 6043 6044 port = (j == 0) ? 1 : 0; 6045 multi_sm_loop = 1; 6046 goto get_comp_for_multism; 6047 } else { 6048 break; 6049 } 6050 } 6051 ibcm_dec_hca_acc_cnt(hcap); 6052 6053 /* 6054 * We may be on dual HCA with dual SM configured system. And 6055 * the input attr GID was visible from second HCA. So in order 6056 * to get the companion portgid we need to re-look from the 6057 * first HCA ports. 6058 */ 6059 if ((num_hcas > 1) && (i > 0) && (h_guid != 0) && 6060 (multi_hca_loop != 1)) { 6061 multi_hca_loop = 1; 6062 goto get_comp_for_multihca; 6063 } 6064 } 6065 if (*num_gids_p == 0) 6066 retval = IBT_GIDS_NOT_FOUND; 6067 6068 get_comp_pgid_exit: 6069 if (guid_array) 6070 ibt_free_hca_list(guid_array, num_hcas); 6071 6072 if ((retval != IBT_SUCCESS) && (*num_gids_p != 0)) { 6073 retval = IBT_SUCCESS; 6074 } 6075 6076 IBTF_DPRINTF_L3(cmlog, "ibt_get_companion_port_gids: done. Status %d, " 6077 "Found %d GIDs", retval, *num_gids_p); 6078 6079 return (retval); 6080 } 6081 6082 /* RDMA IP CM Support routines */ 6083 ibt_status_t 6084 ibt_get_src_ip(ib_gid_t gid, ib_pkey_t pkey, ibt_ip_addr_t *src_ip) 6085 { 6086 ibcm_arp_ip_t *ipp; 6087 ibcm_arp_ibd_insts_t ibds; 6088 int i; 6089 boolean_t found = B_FALSE; 6090 ibt_status_t retval = IBT_SUCCESS; 6091 6092 IBTF_DPRINTF_L4(cmlog, "ibt_get_src_ip(%llX:%llX, %X, %p)", 6093 gid.gid_prefix, gid.gid_guid, pkey, src_ip); 6094 6095 if (gid.gid_prefix == 0 || gid.gid_guid == 0) { 6096 IBTF_DPRINTF_L3(cmlog, "ibt_get_src_ip: Invalid GID."); 6097 return (IBT_INVALID_PARAM); 6098 } 6099 6100 if (src_ip == NULL) { 6101 IBTF_DPRINTF_L3(cmlog, "ibt_get_src_ip: ERROR: src_ip NULL"); 6102 return (IBT_INVALID_PARAM); 6103 } 6104 6105 bzero(&ibds, sizeof (ibcm_arp_ibd_insts_t)); 6106 ibds.ibcm_arp_ibd_alloc = IBCM_ARP_IBD_INSTANCES; 6107 ibds.ibcm_arp_ibd_cnt = 0; 6108 ibds.ibcm_arp_ip = (ibcm_arp_ip_t *)kmem_zalloc( 6109 ibds.ibcm_arp_ibd_alloc * sizeof (ibcm_arp_ip_t), KM_SLEEP); 6110 6111 retval = ibcm_arp_get_ibds(&ibds); 6112 if (retval != IBT_SUCCESS) { 6113 IBTF_DPRINTF_L2(cmlog, "ibt_get_src_ip: ibcm_arp_get_ibds " 6114 "failed to get IBD Instances: ret 0x%x", retval); 6115 goto get_src_ip_end; 6116 } 6117 6118 for (i = 0, ipp = ibds.ibcm_arp_ip; i < ibds.ibcm_arp_ibd_cnt; 6119 i++, ipp++) { 6120 if (ipp->ip_port_gid.gid_prefix == gid.gid_prefix && 6121 ipp->ip_port_gid.gid_guid == gid.gid_guid) { 6122 if (pkey) { 6123 if (ipp->ip_pkey == pkey) { 6124 found = B_TRUE; 6125 break; 6126 } else 6127 continue; 6128 } 6129 found = B_TRUE; 6130 break; 6131 } 6132 } 6133 6134 if (found == B_FALSE) { 6135 retval = IBT_SRC_IP_NOT_FOUND; 6136 } else { 6137 src_ip->family = ipp->ip_inet_family; 6138 if (src_ip->family == AF_INET) { 6139 bcopy(&ipp->ip_cm_sin.sin_addr, &src_ip->un.ip4addr, 6140 sizeof (in_addr_t)); 6141 IBTF_DPRINTF_L4(cmlog, "ibt_get_src_ip: Got %lX", 6142 src_ip->un.ip4addr); 6143 } else if (src_ip->family == AF_INET6) { 6144 bcopy(&ipp->ip_cm_sin6.sin6_addr, &src_ip->un.ip6addr, 6145 sizeof (in6_addr_t)); 6146 } 6147 } 6148 6149 get_src_ip_end: 6150 if (ibds.ibcm_arp_ip) 6151 kmem_free(ibds.ibcm_arp_ip, 6152 ibds.ibcm_arp_ibd_alloc * sizeof (ibcm_arp_ip_t)); 6153 6154 return (retval); 6155 } 6156 6157 ib_svc_id_t 6158 ibt_get_ip_sid(uint8_t protocol_num, in_port_t dst_port) 6159 { 6160 ib_svc_id_t sid; 6161 6162 IBTF_DPRINTF_L4(cmlog, "ibt_get_ip_sid(%X, %lX)", protocol_num, 6163 dst_port); 6164 6165 /* 6166 * If protocol_num is non-zero, then formulate the SID and return it. 6167 * If protocol_num is zero, then we need to assign a locally generated 6168 * IP SID with IB_SID_IPADDR_PREFIX. 6169 */ 6170 if (protocol_num) { 6171 sid = IB_SID_IPADDR_PREFIX | protocol_num << 16 | dst_port; 6172 } else { 6173 sid = ibcm_alloc_ip_sid(); 6174 } 6175 6176 IBTF_DPRINTF_L3(cmlog, "ibt_get_ip_sid: SID: 0x%016llX", sid); 6177 return (sid); 6178 } 6179 6180 ibt_status_t 6181 ibt_release_ip_sid(ib_svc_id_t ip_sid) 6182 { 6183 IBTF_DPRINTF_L4(cmlog, "ibt_release_ip_sid(%llX)", ip_sid); 6184 6185 if (((ip_sid & IB_SID_IPADDR_PREFIX_MASK) != 0) || 6186 (!(ip_sid & IB_SID_IPADDR_PREFIX))) { 6187 IBTF_DPRINTF_L2(cmlog, "ibt_release_ip_sid(0x%016llX): ERROR: " 6188 "Called for Non-RDMA IP SID", ip_sid); 6189 return (IBT_INVALID_PARAM); 6190 } 6191 6192 /* 6193 * If protocol_num in ip_sid are all ZEROs, then this SID is allocated 6194 * by IBTF. If not, then the specified ip_sid is invalid. 6195 */ 6196 if (ip_sid & IB_SID_IPADDR_IPNUM_MASK) { 6197 IBTF_DPRINTF_L2(cmlog, "ibt_release_ip_sid(0x%016llX): ERROR: " 6198 "Called for Non-IBTF assigned RDMA IP SID", ip_sid); 6199 return (IBT_INVALID_PARAM); 6200 } 6201 6202 ibcm_free_ip_sid(ip_sid); 6203 6204 return (IBT_SUCCESS); 6205 } 6206 6207 6208 uint8_t 6209 ibt_get_ip_protocol_num(ib_svc_id_t sid) 6210 { 6211 return ((sid & IB_SID_IPADDR_IPNUM_MASK) >> 16); 6212 } 6213 6214 in_port_t 6215 ibt_get_ip_dst_port(ib_svc_id_t sid) 6216 { 6217 return (sid & IB_SID_IPADDR_PORTNUM_MASK); 6218 } 6219 6220 _NOTE(SCHEME_PROTECTS_DATA("Unshared data", ibt_ip_cm_info_t)) 6221 _NOTE(SCHEME_PROTECTS_DATA("Unshared data", ibcm_ip_pvtdata_t)) 6222 6223 ibt_status_t 6224 ibt_format_ip_private_data(ibt_ip_cm_info_t *ip_cm_info, 6225 ibt_priv_data_len_t priv_data_len, void *priv_data_p) 6226 { 6227 ibcm_ip_pvtdata_t ip_data; 6228 6229 IBTF_DPRINTF_L4(cmlog, "ibt_format_ip_private_data(%p, %d, %p)", 6230 ip_cm_info, priv_data_len, priv_data_p); 6231 6232 if ((ip_cm_info == NULL) || (priv_data_p == NULL) || 6233 (priv_data_len < IBT_IP_HDR_PRIV_DATA_SZ)) { 6234 IBTF_DPRINTF_L2(cmlog, "ibt_format_ip_private_data: ERROR " 6235 "Invalid Inputs."); 6236 return (IBT_INVALID_PARAM); 6237 } 6238 6239 bzero(&ip_data, sizeof (ibcm_ip_pvtdata_t)); 6240 ip_data.ip_srcport = ip_cm_info->src_port; /* Source Port */ 6241 6242 /* IPV = 0x4, if IP-Addr are IPv4 format, else 0x6 for IPv6 */ 6243 if (ip_cm_info->src_addr.family == AF_INET) { 6244 ip_data.ip_ipv = IBT_CM_IP_IPV_V4; 6245 ip_data.ip_srcv4 = ip_cm_info->src_addr.un.ip4addr; 6246 ip_data.ip_dstv4 = ip_cm_info->dst_addr.un.ip4addr; 6247 } else if (ip_cm_info->src_addr.family == AF_INET6) { 6248 ip_data.ip_ipv = IBT_CM_IP_IPV_V6; 6249 bcopy(&ip_cm_info->src_addr.un.ip6addr, 6250 &ip_data.ip_srcv6, sizeof (in6_addr_t)); 6251 bcopy(&ip_cm_info->dst_addr.un.ip6addr, 6252 &ip_data.ip_dstv6, sizeof (in6_addr_t)); 6253 } else { 6254 IBTF_DPRINTF_L2(cmlog, "ibt_format_ip_private_data: ERROR " 6255 "IP Addr needs to be either AF_INET or AF_INET6 family."); 6256 return (IBT_INVALID_PARAM); 6257 } 6258 6259 ip_data.ip_MajV = IBT_CM_IP_MAJ_VER; 6260 ip_data.ip_MinV = IBT_CM_IP_MIN_VER; 6261 6262 bcopy(&ip_data, priv_data_p, IBT_IP_HDR_PRIV_DATA_SZ); 6263 6264 return (IBT_SUCCESS); 6265 } 6266 6267 6268 ibt_status_t 6269 ibt_get_ip_data(ibt_priv_data_len_t priv_data_len, void *priv_data, 6270 ibt_ip_cm_info_t *ip_cm_infop) 6271 { 6272 ibcm_ip_pvtdata_t ip_data; 6273 6274 IBTF_DPRINTF_L4(cmlog, "ibt_get_ip_data(%d, %p, %p)", 6275 priv_data_len, priv_data, ip_cm_infop); 6276 6277 if ((ip_cm_infop == NULL) || (priv_data == NULL) || 6278 (priv_data_len < IBT_IP_HDR_PRIV_DATA_SZ)) { 6279 IBTF_DPRINTF_L2(cmlog, "ibt_get_ip_data: ERROR Invalid Inputs"); 6280 return (IBT_INVALID_PARAM); 6281 } 6282 6283 bcopy(priv_data, &ip_data, IBT_IP_HDR_PRIV_DATA_SZ); 6284 ip_cm_infop->src_port = ip_data.ip_srcport; /* Source Port */ 6285 6286 /* IPV = 0x4, if IP Address are IPv4 format, else 0x6 for IPv6 */ 6287 if (ip_data.ip_ipv == IBT_CM_IP_IPV_V4) { 6288 /* Copy IPv4 Addr */ 6289 ip_cm_infop->src_addr.family = AF_INET; 6290 ip_cm_infop->src_addr.un.ip4addr = ip_data.ip_srcv4; 6291 ip_cm_infop->dst_addr.family = AF_INET; 6292 ip_cm_infop->dst_addr.un.ip4addr = ip_data.ip_dstv4; 6293 } else if (ip_data.ip_ipv == IBT_CM_IP_IPV_V6) { 6294 /* Copy IPv6 Addr */ 6295 ip_cm_infop->src_addr.family = AF_INET6; 6296 bcopy(&ip_data.ip_srcv6, &ip_cm_infop->src_addr.un.ip6addr, 6297 sizeof (in6_addr_t)); 6298 ip_cm_infop->dst_addr.family = AF_INET6; 6299 bcopy(&ip_data.ip_dstv6, &ip_cm_infop->dst_addr.un.ip6addr, 6300 sizeof (in6_addr_t)); 6301 } else { 6302 IBTF_DPRINTF_L2(cmlog, "ibt_get_ip_data: ERROR: IP Addr needs" 6303 " to be either AF_INET or AF_INET6 family."); 6304 return (IBT_INVALID_PARAM); 6305 } 6306 6307 return (IBT_SUCCESS); 6308 } 6309 6310 6311 /* Routines for warlock */ 6312 6313 /* ARGSUSED */ 6314 static void 6315 ibcm_dummy_mcg_handler(void *arg, ibt_status_t retval, ibt_mcg_info_t *minfo) 6316 { 6317 ibcm_join_mcg_tqarg_t dummy_mcg; 6318 6319 dummy_mcg.func = ibcm_dummy_mcg_handler; 6320 6321 IBTF_DPRINTF_L5(cmlog, "ibcm_dummy_mcg_handler: " 6322 "dummy_mcg.func %p", dummy_mcg.func); 6323 } 6324 6325 6326 /* ARGSUSED */ 6327 static void 6328 ibcm_dummy_recycle_rc_handler(ibt_status_t retval, void *arg) 6329 { 6330 ibcm_taskq_recycle_arg_t dummy_rc_recycle; 6331 6332 dummy_rc_recycle.func = ibcm_dummy_recycle_rc_handler; 6333 6334 IBTF_DPRINTF_L5(cmlog, "ibcm_dummy_recycle_rc_handler: " 6335 "dummy_rc_recycle.func %p", dummy_rc_recycle.func); 6336 } 6337 6338 6339 /* ARGSUSED */ 6340 static ibt_cm_status_t 6341 ibcm_dummy_ud_handler(void *priv, ibt_cm_ud_event_t *event, 6342 ibt_cm_ud_return_args_t *ret_args, 6343 void *priv_data, ibt_priv_data_len_t len) 6344 { 6345 /* 6346 * Let warlock see that ibcm_local_handler_s::actual_cm_handler 6347 * points to this routine. 6348 */ 6349 ibcm_local_handler_t p; 6350 ibcm_ud_state_data_t dummy_ud; 6351 6352 p.actual_cm_handler = ibcm_dummy_ud_handler; 6353 dummy_ud.ud_cm_handler = ibcm_dummy_ud_handler; 6354 6355 IBTF_DPRINTF_L5(cmlog, "ibcm_dummy_ud_handler: p.actual_cm_handler %p" 6356 "dummy_ud.ud_cm_handler %p", p.actual_cm_handler, 6357 dummy_ud.ud_cm_handler); 6358 /* 6359 * Call all routines that the client's callback routine could call. 6360 */ 6361 6362 return (IBT_CM_ACCEPT); 6363 } 6364 6365 /* ARGSUSED */ 6366 static ibt_cm_status_t 6367 ibcm_dummy_rc_handler(void *priv, ibt_cm_event_t *event, 6368 ibt_cm_return_args_t *ret_args, void *priv_data, ibt_priv_data_len_t len) 6369 { 6370 ibcm_state_data_t dummy_rc; 6371 6372 dummy_rc.cm_handler = ibcm_dummy_rc_handler; 6373 6374 IBTF_DPRINTF_L5(cmlog, "ibcm_dummy_rc_handler: " 6375 "dummy_ud.ud_cm_handler %p", dummy_rc.cm_handler); 6376 /* 6377 * Call all routines that the client's callback routine could call. 6378 */ 6379 6380 return (IBT_CM_ACCEPT); 6381 } 6382