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 2007 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 348 349 /* If no HCA found return failure */ 350 if ((hcap = ibcm_find_hca_entry(hca_guid)) == NULL) { 351 IBTF_DPRINTF_L2(cmlog, "ibt_open_rc_channel: chan 0x%p " 352 "hcap is NULL. Probably hca is not in active state", 353 channel); 354 return (IBT_CHAN_HDL_INVALID); 355 } 356 357 rdma_out = chan_args->oc_rdma_ra_out; 358 rdma_in = chan_args->oc_rdma_ra_in; 359 360 if ((rdma_in > hcap->hca_max_rdma_in_qp) || 361 (rdma_out > hcap->hca_max_rdma_out_qp)) { 362 IBTF_DPRINTF_L2(cmlog, "ibt_open_rc_channel: chan 0x%p " 363 "rdma in %d/out %d values exceed hca limits", channel, 364 rdma_in, rdma_out); 365 ibcm_dec_hca_acc_cnt(hcap); 366 return (IBT_INVALID_PARAM); 367 } 368 369 IBTF_DPRINTF_L5(cmlog, "ibt_open_rc_channel: chan 0x%p " 370 "rdma_in %d rdma_out %d", channel, rdma_in, rdma_out); 371 372 if (chan_args->oc_path->pi_prim_pkt_lt > ibcm_max_ib_pkt_lt) { 373 IBTF_DPRINTF_L2(cmlog, "ibt_open_rc_channel: chan 0x%p " 374 "Huge Primary Pkt lt %d", channel, 375 chan_args->oc_path->pi_prim_pkt_lt); 376 ibcm_dec_hca_acc_cnt(hcap); 377 return (IBT_PATH_PKT_LT_TOO_HIGH); 378 } 379 380 status = ibt_get_port_state_byguid(hcap->hca_guid, port_no, 381 NULL, &base_lid); 382 if (status != IBT_SUCCESS) { 383 IBTF_DPRINTF_L2(cmlog, "ibt_open_rc_channel: chan 0x%p " 384 "primary port_num %d not active", channel, port_no); 385 ibcm_dec_hca_acc_cnt(hcap); 386 return (status); 387 } 388 389 /* Validate P_KEY Index */ 390 status = ibt_index2pkey_byguid(hcap->hca_guid, port_no, 391 IBCM_PRIM_CEP_PATH(chan_args).cep_pkey_ix, &prim_pkey); 392 if (status != IBT_SUCCESS) { 393 IBTF_DPRINTF_L2(cmlog, "ibt_open_rc_channel: chan 0x%p " 394 "Invalid Primary PKeyIx %x", channel, 395 IBCM_PRIM_CEP_PATH(chan_args).cep_pkey_ix); 396 ibcm_dec_hca_acc_cnt(hcap); 397 return (status); 398 } 399 400 IBTF_DPRINTF_L5(cmlog, "ibt_open_rc_channel: chan 0x%p " 401 "primary_port_num %d primary_pkey 0x%x", channel, port_no, 402 prim_pkey); 403 404 if ((hcap->hca_port_info[port_no - 1].port_ibmf_hdl == NULL) && 405 ((status = ibcm_hca_reinit_port(hcap, port_no - 1)) 406 != IBT_SUCCESS)) { 407 IBTF_DPRINTF_L2(cmlog, "ibt_open_rc_channel: chan 0x%p " 408 "ibmf reg or callback setup failed during re-initialize", 409 channel); 410 ibcm_dec_hca_acc_cnt(hcap); 411 return (status); 412 } 413 414 ibmf_hdl = hcap->hca_port_info[port_no - 1].port_ibmf_hdl; 415 IBTF_DPRINTF_L5(cmlog, "ibt_open_rc_channel: chan 0x%p " 416 "primary ibmf_hdl = 0x%p", channel, ibmf_hdl); 417 418 419 primary_slid = base_lid + IBCM_PRIM_ADDS_VECT(chan_args).av_src_path; 420 421 IBTF_DPRINTF_L5(cmlog, "ibt_open_rc_channel: channel 0x%p " 422 "primary SLID = %x", channel, primary_slid); 423 424 /* check first if alternate path exists or not as it is OPTIONAL */ 425 if (IBCM_ALT_CEP_PATH(chan_args).cep_hca_port_num != 0) { 426 uint8_t alt_port_no; 427 428 alt_port_no = IBCM_ALT_CEP_PATH(chan_args).cep_hca_port_num; 429 430 if (chan_args->oc_path->pi_alt_pkt_lt > ibcm_max_ib_pkt_lt) { 431 IBTF_DPRINTF_L2(cmlog, "ibt_open_rc_channel: chan 0x%p " 432 "Huge Alt Pkt lt %d", channel, 433 chan_args->oc_path->pi_alt_pkt_lt); 434 ibcm_dec_hca_acc_cnt(hcap); 435 return (IBT_PATH_PKT_LT_TOO_HIGH); 436 } 437 438 if (port_no != alt_port_no) { 439 440 status = ibt_get_port_state_byguid(hcap->hca_guid, 441 alt_port_no, NULL, &base_lid); 442 if (status != IBT_SUCCESS) { 443 444 IBTF_DPRINTF_L2(cmlog, "ibt_open_rc_channel: " 445 "chan 0x%p alt_port_num %d inactive %d", 446 channel, alt_port_no, status); 447 ibcm_dec_hca_acc_cnt(hcap); 448 return (status); 449 } 450 451 } 452 alternate_slid = 453 base_lid + IBCM_ALT_ADDS_VECT(chan_args).av_src_path; 454 455 IBTF_DPRINTF_L5(cmlog, "ibt_open_rc_channel: chan %0xp " 456 "alternate SLID = %x", channel, alternate_slid); 457 } 458 459 /* 460 * only pkey needs to be zero'ed, because all other fields are set in 461 * in ibcm_init_reply_addr. But, let's bzero the complete struct for 462 * any future modifications. 463 */ 464 bzero(&cm_reply_addr, sizeof (cm_reply_addr)); 465 466 /* Initialize the MAD destination address in stored_reply_addr */ 467 if ((status = ibcm_init_reply_addr(hcap, &cm_reply_addr, chan_args, 468 flags, &cm_pkt_lt, primary_slid)) != IBT_SUCCESS) { 469 470 IBTF_DPRINTF_L2(cmlog, "ibt_open_rc_channel: chan 0x%p " 471 "ibcm_init_reply_addr failed status %d ", channel, status); 472 ibcm_dec_hca_acc_cnt(hcap); 473 return (status); 474 } 475 476 477 /* Initialize the pkey for CM MAD communication */ 478 if (cm_reply_addr.rcvd_addr.ia_p_key == 0) 479 cm_reply_addr.rcvd_addr.ia_p_key = prim_pkey; 480 481 #ifdef DEBUG 482 ibcm_print_reply_addr(channel, &cm_reply_addr); 483 #endif 484 485 /* Retrieve an ibmf qp for sending CM MADs */ 486 if ((cm_qp_entry = ibcm_find_qp(hcap, port_no, 487 cm_reply_addr.rcvd_addr.ia_p_key)) == NULL) { 488 IBTF_DPRINTF_L2(cmlog, "ibt_open_rc_channel: chan 0x%p " 489 "unable to allocate ibmf qp for CM MADs", channel); 490 ibcm_dec_hca_acc_cnt(hcap); 491 return (IBT_INSUFF_RESOURCE); 492 } 493 494 495 if (ibcm_alloc_comid(hcap, &local_comid) != IBCM_SUCCESS) { 496 ibcm_release_qp(cm_qp_entry); 497 ibcm_dec_hca_acc_cnt(hcap); 498 IBTF_DPRINTF_L2(cmlog, "ibt_open_rc_channel: chan 0x%p" 499 " Unable to allocate comid", channel); 500 return (IBT_INSUFF_KERNEL_RESOURCE); 501 } 502 503 /* allocate an IBMF mad buffer (REQ) */ 504 if ((status = ibcm_alloc_out_msg(ibmf_hdl, &ibmf_msg, 505 MAD_METHOD_SEND)) != IBT_SUCCESS) { 506 IBTF_DPRINTF_L2(cmlog, "ibt_open_rc_channel: " 507 "chan 0x%p ibcm_alloc_out_msg failed", channel); 508 ibcm_release_qp(cm_qp_entry); 509 ibcm_free_comid(hcap, local_comid); 510 ibcm_dec_hca_acc_cnt(hcap); 511 return (status); 512 } 513 514 /* allocate an IBMF mad buffer (DREQ) */ 515 if ((status = ibcm_alloc_out_msg(ibmf_hdl, &ibmf_msg_dreq, 516 MAD_METHOD_SEND)) != IBT_SUCCESS) { 517 IBTF_DPRINTF_L2(cmlog, "ibt_open_rc_channel: " 518 "chan 0x%p ibcm_alloc_out_msg failed", channel); 519 (void) ibcm_free_out_msg(ibmf_hdl, &ibmf_msg); 520 ibcm_release_qp(cm_qp_entry); 521 ibcm_free_comid(hcap, local_comid); 522 ibcm_dec_hca_acc_cnt(hcap); 523 return (status); 524 } 525 526 /* Init to Init, if QP's port does not match with path information */ 527 if (qp_query_attr.qp_info.qp_transport.rc.rc_path.cep_hca_port_num != 528 IBCM_PRIM_CEP_PATH(chan_args).cep_hca_port_num) { 529 530 ibt_qp_info_t qp_info; 531 ibt_cep_modify_flags_t cep_flags; 532 533 IBTF_DPRINTF_L5(cmlog, "ibt_open_rc_channel: " 534 "chan 0x%p chan port %d", channel, 535 qp_query_attr.qp_info.qp_transport.rc.rc_path.\ 536 cep_hca_port_num); 537 538 IBTF_DPRINTF_L5(cmlog, "ibt_open_rc_channel: " 539 "chan 0x%p path port %d", channel, port_no); 540 541 bzero(&qp_info, sizeof (qp_info)); 542 /* For now, set it to RC type */ 543 544 qp_info.qp_trans = IBT_RC_SRV; 545 qp_info.qp_state = IBT_STATE_INIT; 546 qp_info.qp_transport.rc.rc_path.cep_hca_port_num = port_no; 547 548 cep_flags = IBT_CEP_SET_STATE | IBT_CEP_SET_PORT; 549 550 status = ibt_modify_qp(channel, cep_flags, &qp_info, NULL); 551 552 if (status != IBT_SUCCESS) { 553 IBTF_DPRINTF_L2(cmlog, "ibt_open_rc_channel: " 554 "chan 0x%p ibt_modify_qp() = %d", channel, status); 555 ibcm_release_qp(cm_qp_entry); 556 ibcm_free_comid(hcap, local_comid); 557 ibcm_dec_hca_acc_cnt(hcap); 558 (void) ibcm_free_out_msg(ibmf_hdl, &ibmf_msg); 559 (void) ibcm_free_out_msg(ibmf_hdl, &ibmf_msg_dreq); 560 return (status); 561 } else 562 IBTF_DPRINTF_L5(cmlog, "ibt_open_rc_channel: " 563 "chan 0x%p ibt_modify_qp() = %d", channel, status); 564 } 565 566 /* allocate ibcm_state_data_t before grabbing the WRITER lock */ 567 statep = kmem_zalloc(sizeof (ibcm_state_data_t), KM_SLEEP); 568 rw_enter(&hcap->hca_state_rwlock, RW_WRITER); 569 lkup_status = ibcm_lookup_msg(IBCM_OUTGOING_REQ, local_comid, 0, 0, 570 hcap, &statep); 571 rw_exit(&hcap->hca_state_rwlock); 572 573 /* CM should be seeing this for the first time */ 574 ASSERT(lkup_status == IBCM_LOOKUP_NEW); 575 576 /* Increment the hca's resource count */ 577 ibcm_inc_hca_res_cnt(hcap); 578 579 /* Once a resource created on hca, no need to hold the acc cnt */ 580 ibcm_dec_hca_acc_cnt(hcap); 581 582 _NOTE(NOW_INVISIBLE_TO_OTHER_THREADS(*statep)) 583 584 statep->timerid = 0; 585 statep->local_hca_guid = hca_guid; 586 statep->local_qpn = local_qpn; 587 statep->stored_reply_addr.cm_qp_entry = cm_qp_entry; 588 statep->prim_port = IBCM_PRIM_CEP_PATH(chan_args).cep_hca_port_num; 589 statep->alt_port = IBCM_ALT_CEP_PATH(chan_args).cep_hca_port_num; 590 591 592 /* Save "statep" as channel's CM private data. */ 593 statep->channel = channel; 594 IBCM_SET_CHAN_PRIVATE(statep->channel, statep); 595 596 statep->stored_msg = ibmf_msg; 597 statep->dreq_msg = ibmf_msg_dreq; 598 599 _NOTE(NOW_INVISIBLE_TO_OTHER_THREADS(*req_msgp)) 600 601 /* Start filling in the REQ MAD */ 602 req_msgp = (ibcm_req_msg_t *)IBCM_OUT_MSGP(statep->stored_msg); 603 req_msgp->req_local_comm_id = h2b32(local_comid); 604 req_msgp->req_svc_id = h2b64(chan_args->oc_path->pi_sid); 605 req_msgp->req_local_ca_guid = h2b64(hca_guid); 606 req_msgp->req_local_qkey = h2b32(local_qkey); /* for EEC/RD */ 607 608 /* Bytes 32-35 are req_local_qpn and req_off_resp_resources */ 609 req_msgp->req_local_qpn_plus = h2b32(local_qpn << 8 | rdma_in); 610 611 /* Bytes 36-39 are req_local_eec_no and req_off_initiator_depth */ 612 req_msgp->req_local_eec_no_plus = h2b32(local_eecn << 8 | rdma_out); 613 614 if (flags & IBT_OCHAN_REMOTE_CM_TM) 615 remote_cm_resp_time = chan_args->oc_remote_cm_time; 616 else 617 remote_cm_resp_time = ibcm_remote_response_time; 618 619 /* 620 * Bytes 40-43 - remote_eecn, remote_cm_resp_time, tran_type, 621 * IBT_CM_FLOW_CONTROL is always set by default. 622 */ 623 req_msgp->req_remote_eecn_plus = h2b32( 624 remote_eecn << 8 | (ibt_usec2ib(remote_cm_resp_time) & 0x1f) << 3 | 625 IBT_RC_SRV << 1 | IBT_CM_FLOW_CONTROL); 626 627 if (flags & IBT_OCHAN_LOCAL_CM_TM) 628 local_cm_proc_time = chan_args->oc_local_cm_time; 629 else 630 local_cm_proc_time = ibcm_local_processing_time; 631 632 local_cm_resp_time = ibt_usec2ib(local_cm_proc_time + 633 2 * ibt_ib2usec(chan_args->oc_path->pi_prim_pkt_lt) + 634 ibcm_sw_delay); 635 636 /* save retry count */ 637 statep->cep_retry_cnt = chan_args->oc_path_retry_cnt; 638 639 if (flags & IBT_OCHAN_STARTING_PSN) 640 starting_psn = chan_args->oc_starting_psn; 641 642 if (local_cm_resp_time > 0x1f) 643 local_cm_resp_time = 0x1f; 644 645 /* Bytes 44-47 are req_starting_psn, local_cm_resp_time and retry_cnt */ 646 req_msgp->req_starting_psn_plus = h2b32(starting_psn << 8 | 647 local_cm_resp_time << 3 | statep->cep_retry_cnt); 648 649 IBTF_DPRINTF_L5(cmlog, "ibt_open_rc_channel: chan 0x%p " 650 "Prim Pkt lt (IB time) 0x%x", channel, 651 chan_args->oc_path->pi_prim_pkt_lt); 652 653 IBTF_DPRINTF_L5(cmlog, "ibt_open_rc_channel: chan 0x%p " 654 "local_cm_proc_time(usec) %d ", channel, local_cm_proc_time); 655 656 IBTF_DPRINTF_L5(cmlog, "ibt_open_rc_channel: chan 0x%p " 657 "local_cm_resp_time(ib_time) %d", channel, local_cm_resp_time); 658 659 IBTF_DPRINTF_L5(cmlog, "ibt_open_rc_channel: chan 0x%p " 660 "remote_cm_resp_time (usec) %d", channel, remote_cm_resp_time); 661 662 statep->starting_psn = starting_psn; 663 664 /* Pkey - bytes 48-49 */ 665 req_msgp->req_part_key = h2b16(prim_pkey); 666 667 if (flags & IBT_OCHAN_CM_RETRY) 668 cm_retries = chan_args->oc_cm_retry_cnt; 669 else 670 cm_retries = ibcm_max_retries; 671 672 statep->max_cm_retries = statep->remaining_retry_cnt = cm_retries; 673 req_msgp->req_max_cm_retries_plus = statep->max_cm_retries << 4; 674 675 /* 676 * Check whether SRQ is associated with this Channel, if yes, then 677 * set the SRQ Exists bit in the REQ. 678 */ 679 if (qp_query_attr.qp_srq != NULL) { 680 req_msgp->req_max_cm_retries_plus |= (1 << 3); 681 } 682 683 /* 684 * By default on Tavor, we override the PathMTU to 1K. 685 * To turn this off, set ibcm_override_path_mtu = 0. 686 */ 687 if (ibcm_override_path_mtu && IBCM_IS_HCA_TAVOR(hcap) && 688 (chan_args->oc_path->pi_path_mtu > IB_MTU_1K)) { 689 req_msgp->req_mtu_plus = IB_MTU_1K << 4 | 690 chan_args->oc_path_rnr_retry_cnt; 691 IBTF_DPRINTF_L3(cmlog, "ibt_open_rc_channel: chan 0x%p PathMTU" 692 " overidden to IB_MTU_1K(%d) from %d", channel, IB_MTU_1K, 693 chan_args->oc_path->pi_path_mtu); 694 } else 695 req_msgp->req_mtu_plus = chan_args->oc_path->pi_path_mtu << 4 | 696 chan_args->oc_path_rnr_retry_cnt; 697 698 IBTF_DPRINTF_L5(cmlog, "ibt_open_rc_channel: chan 0x%p CM retry cnt %d" 699 " staring PSN %x", channel, cm_retries, starting_psn); 700 701 702 #ifdef NO_EEC_SUPPORT_YET 703 if (flags & IBT_OCHAN_RDC_EXISTS) 704 req_msgp->req_mtu_plus |= 8; 705 #endif 706 707 /* Initialize the "primary" port stuff next - bytes 52-95 */ 708 req_msgp->req_primary_l_port_lid = h2b16(primary_slid); 709 req_msgp->req_primary_r_port_lid = 710 h2b16(IBCM_PRIM_ADDS_VECT(chan_args).av_dlid); 711 req_msgp->req_primary_l_port_gid.gid_prefix = 712 h2b64(IBCM_PRIM_ADDS_VECT(chan_args).av_sgid.gid_prefix); 713 req_msgp->req_primary_l_port_gid.gid_guid = 714 h2b64(IBCM_PRIM_ADDS_VECT(chan_args).av_sgid.gid_guid); 715 req_msgp->req_primary_r_port_gid.gid_prefix = 716 h2b64(IBCM_PRIM_ADDS_VECT(chan_args).av_dgid.gid_prefix); 717 req_msgp->req_primary_r_port_gid.gid_guid = 718 h2b64(IBCM_PRIM_ADDS_VECT(chan_args).av_dgid.gid_guid); 719 primary_grh = IBCM_PRIM_ADDS_VECT(chan_args).av_send_grh; 720 721 statep->remote_hca_guid = /* not correct, but helpful for debugging */ 722 IBCM_PRIM_ADDS_VECT(chan_args).av_dgid.gid_guid; 723 724 /* Bytes 88-91 - primary_flowlbl, and primary_srate */ 725 req_msgp->req_primary_flow_label_plus = 726 h2b32(((primary_grh == B_TRUE) ? 727 (IBCM_PRIM_ADDS_VECT(chan_args).av_flow << 12) : 0) | 728 IBCM_PRIM_ADDS_VECT(chan_args).av_srate); 729 req_msgp->req_primary_traffic_class = (primary_grh == B_TRUE) ? 730 IBCM_PRIM_ADDS_VECT(chan_args).av_tclass : 0; 731 req_msgp->req_primary_hop_limit = (primary_grh == B_TRUE) ? 732 IBCM_PRIM_ADDS_VECT(chan_args).av_hop : 1; 733 req_msgp->req_primary_sl_plus = 734 IBCM_PRIM_ADDS_VECT(chan_args).av_srvl << 4 | 735 ((primary_grh == B_TRUE) ? 0 : 8); 736 737 req_msgp->req_primary_localtime_plus = 738 ibt_usec2ib((2 * ibt_ib2usec(chan_args->oc_path->pi_prim_pkt_lt)) + 739 ibt_ib2usec(hcap->hca_ack_delay)) << 3; 740 741 IBTF_DPRINTF_L2(cmlog, "ibt_open_rc_channel: chan %p statep %p", 742 channel, statep); 743 IBTF_DPRINTF_L5(cmlog, "ibt_open_rc_channel: chan 0x%p " 744 "active hca_ack_delay (usec) %d", channel, 745 req_msgp->req_primary_localtime_plus); 746 747 IBTF_DPRINTF_L5(cmlog, "ibt_open_rc_channel: chan 0x%p " 748 "Sent primary cep timeout (IB Time) %d", channel, 749 hcap->hca_ack_delay); 750 751 IBTF_DPRINTF_L5(cmlog, "ibt_open_rc_channel: chan 0x%p prim_dlid %x ", 752 channel, IBCM_PRIM_ADDS_VECT(chan_args).av_dlid); 753 754 IBTF_DPRINTF_L5(cmlog, "ibt_open_rc_channel: chan 0x%p " 755 "prim GID %llX:%llX", channel, 756 IBCM_PRIM_ADDS_VECT(chan_args).av_dgid.gid_prefix, 757 IBCM_PRIM_ADDS_VECT(chan_args).av_dgid.gid_guid); 758 759 /* Initialize the "alternate" port stuff - optional */ 760 if (chan_args->oc_path->pi_alt_cep_path.cep_hca_port_num != 0) { 761 ib_gid_t tmp_gid; 762 763 req_msgp->req_alt_l_port_lid = h2b16(alternate_slid); 764 req_msgp->req_alt_r_port_lid = 765 h2b16(IBCM_ALT_ADDS_VECT(chan_args).av_dlid); 766 /* 767 * doing all this as req_alt_r/l_port_gid is at offset 768 * 100, 116 which is not divisible by 8 769 */ 770 771 tmp_gid.gid_prefix = 772 h2b64(IBCM_ALT_ADDS_VECT(chan_args).av_dgid.gid_prefix); 773 tmp_gid.gid_guid = 774 h2b64(IBCM_ALT_ADDS_VECT(chan_args).av_dgid.gid_guid); 775 bcopy(&tmp_gid, &req_msgp->req_alt_r_port_gid[0], 776 sizeof (ib_gid_t)); 777 tmp_gid.gid_prefix = 778 h2b64(IBCM_ALT_ADDS_VECT(chan_args).av_sgid.gid_prefix); 779 tmp_gid.gid_guid = 780 h2b64(IBCM_ALT_ADDS_VECT(chan_args).av_sgid.gid_guid); 781 782 bcopy(&tmp_gid, &req_msgp->req_alt_l_port_gid[0], 783 sizeof (ib_gid_t)); 784 alternate_grh = IBCM_ALT_ADDS_VECT(chan_args).av_send_grh; 785 786 /* Bytes 132-135 - alternate_flow_label, and alternate srate */ 787 req_msgp->req_alt_flow_label_plus = h2b32( 788 (((alternate_grh == B_TRUE) ? 789 (IBCM_ALT_ADDS_VECT(chan_args).av_flow << 12) : 0) | 790 IBCM_ALT_ADDS_VECT(chan_args).av_srate)); 791 req_msgp->req_alt_traffic_class = (alternate_grh == B_TRUE) ? 792 IBCM_ALT_ADDS_VECT(chan_args).av_tclass : 0; 793 req_msgp->req_alt_hop_limit = (alternate_grh == B_TRUE) ? 794 IBCM_ALT_ADDS_VECT(chan_args).av_hop : 1; 795 req_msgp->req_alt_sl_plus = 796 IBCM_ALT_ADDS_VECT(chan_args).av_srvl << 4 | 797 ((alternate_grh == B_TRUE) ? 0 : 8); 798 req_msgp->req_alt_localtime_plus = ibt_usec2ib((2 * 799 ibt_ib2usec(chan_args->oc_path->pi_alt_pkt_lt)) + 800 ibt_ib2usec(hcap->hca_ack_delay)) << 3; 801 802 IBTF_DPRINTF_L5(cmlog, "ibt_open_rc_channel: chan 0x%p " 803 "alt_dlid %x ", channel, 804 IBCM_ALT_ADDS_VECT(chan_args).av_dlid); 805 806 IBTF_DPRINTF_L5(cmlog, "ibt_open_rc_channel: chan 0x%p " 807 "alt GID %llX:%llX", channel, 808 IBCM_ALT_ADDS_VECT(chan_args).av_dgid.gid_prefix, 809 IBCM_ALT_ADDS_VECT(chan_args).av_dgid.gid_guid); 810 } 811 812 len = min(chan_args->oc_priv_data_len, IBT_REQ_PRIV_DATA_SZ); 813 if ((len > 0) && chan_args->oc_priv_data) 814 bcopy(chan_args->oc_priv_data, req_msgp->req_private_data, len); 815 816 _NOTE(NOW_VISIBLE_TO_OTHER_THREADS(*req_msgp)) 817 818 /* return_data is filled up in the state machine code */ 819 if (ret_args != NULL) { 820 statep->open_return_data = ret_args; 821 } 822 823 /* initialize some statep fields here */ 824 statep->mode = IBCM_ACTIVE_MODE; 825 statep->hcap = hcap; 826 827 statep->cm_handler = chan_args->oc_cm_handler; 828 statep->state_cm_private = chan_args->oc_cm_clnt_private; 829 830 statep->pkt_life_time = 831 ibt_ib2usec(chan_args->oc_path->pi_prim_pkt_lt); 832 833 statep->timer_value = ibt_ib2usec(ibt_usec2ib( 834 2 * ibt_ib2usec(cm_pkt_lt) + remote_cm_resp_time)); 835 836 /* Initialize statep->stored_reply_addr */ 837 statep->stored_reply_addr.ibmf_hdl = ibmf_hdl; 838 839 /* Initialize stored reply addr fields */ 840 statep->stored_reply_addr.grh_hdr = cm_reply_addr.grh_hdr; 841 statep->stored_reply_addr.rcvd_addr = cm_reply_addr.rcvd_addr; 842 statep->stored_reply_addr.grh_exists = cm_reply_addr.grh_exists; 843 statep->stored_reply_addr.port_num = cm_reply_addr.port_num; 844 845 /* 846 * The IPD on local/active side is calculated by path functions, 847 * hence available in the args of ibt_open_rc_channel 848 */ 849 statep->local_srate = IBCM_PRIM_ADDS_VECT(chan_args).av_srate; 850 statep->local_alt_srate = IBCM_ALT_ADDS_VECT(chan_args).av_srate; 851 852 /* Store the source path bits for primary and alt paths */ 853 statep->prim_src_path_bits = IBCM_PRIM_ADDS_VECT(chan_args).av_src_path; 854 statep->alt_src_path_bits = IBCM_ALT_ADDS_VECT(chan_args).av_src_path; 855 856 statep->open_flow = 1; 857 statep->open_done = B_FALSE; 858 statep->state = statep->timer_stored_state = IBCM_STATE_REQ_SENT; 859 IBCM_REF_CNT_INCR(statep); /* Decremented before return */ 860 IBCM_REF_CNT_INCR(statep); /* Decremented after REQ is posted */ 861 statep->send_mad_flags |= IBCM_REQ_POST_BUSY; 862 863 IBCM_OUT_HDRP(statep->stored_msg)->AttributeID = 864 h2b16(IBCM_INCOMING_REQ + IBCM_ATTR_BASE_ID); 865 866 IBCM_OUT_HDRP(statep->stored_msg)->TransactionID = 867 h2b64(ibcm_generate_tranid(IBCM_INCOMING_REQ, statep->local_comid, 868 0)); 869 870 _NOTE(NOW_VISIBLE_TO_OTHER_THREADS(*statep)) 871 872 ibcm_open_enqueue(statep); 873 874 mutex_enter(&statep->state_mutex); 875 876 if (mode == IBT_BLOCKING) { 877 878 /* wait for REQ/REP/RTU */ 879 while (statep->open_done != B_TRUE) { 880 cv_wait(&statep->block_client_cv, &statep->state_mutex); 881 } 882 883 /* 884 * In the case that open_channel() fails because of a 885 * REJ or timeout, change retval to IBT_CM_FAILURE 886 */ 887 if (statep->open_return_data->rc_status != IBT_CM_ACCEPT) 888 status = IBT_CM_FAILURE; 889 890 IBTF_DPRINTF_L3(cmlog, "ibt_open_rc_channel: chan 0x%p " 891 "ret status %d cm status %d", channel, status, 892 statep->open_return_data->rc_status); 893 } 894 895 /* decrement the ref-count before leaving here */ 896 IBCM_REF_CNT_DECR(statep); 897 898 mutex_exit(&statep->state_mutex); 899 900 IBTF_DPRINTF_L4(cmlog, "ibt_open_rc_channel: chan 0x%p done", channel); 901 return (status); 902 } 903 904 /* 905 * ibcm_init_reply_addr: 906 * 907 * The brief description of functionality below. 908 * 909 * For IBT_OCHAN_PORT_REDIRECTED (ie., port redirected case): 910 * Build CM path from chan_args->oc_cm_cep_path 911 * Set CM pkt lt (ie.,life time) to chan_args->oc_cm_pkt_lt 912 * 913 * For IBT_OCHAN_REDIRECTED (ie., port and CM redirected case): 914 * If Redirect LID is specified, 915 * If Redirect GID is not specified or specified to be on the same 916 * subnet, then 917 * Build CM path from chan_args->oc_cm_redirect_info 918 * Set CM pkt lt to subnet timeout 919 * Else (ie., GID specified, but on a different subnet) 920 * Do a path lookup to build CM Path and set CM pkt lt 921 * 922 */ 923 static ibt_status_t 924 ibcm_init_reply_addr(ibcm_hca_info_t *hcap, ibcm_mad_addr_t *reply_addr, 925 ibt_chan_open_args_t *chan_args, ibt_chan_open_flags_t flags, 926 ib_time_t *cm_pkt_lt, ib_lid_t prim_slid) 927 { 928 ibt_adds_vect_t *cm_adds; 929 ibt_path_info_t path; 930 boolean_t cm_grh; 931 ibt_status_t status; 932 933 IBTF_DPRINTF_L5(cmlog, "ibcm_init_reply_addr:"); 934 935 _NOTE(NOW_INVISIBLE_TO_OTHER_THREADS(*reply_addr)) 936 937 /* 938 * sending side CM lid/gid/port num are not based on any redirect 939 * params. These values are set to primary RC path lid/gid/port num. 940 * In the future, these values can be set based on framework policy 941 * decisions ensuring reachability. 942 */ 943 reply_addr->grh_hdr.ig_sender_gid = 944 IBCM_PRIM_ADDS_VECT(chan_args).av_sgid; 945 reply_addr->rcvd_addr.ia_local_lid = prim_slid; 946 reply_addr->port_num = IBCM_PRIM_CEP_PATH(chan_args).cep_hca_port_num; 947 948 if (flags & IBT_OCHAN_PORT_REDIRECTED) { 949 IBTF_DPRINTF_L4(cmlog, "ibcm_init_rely_addr: " 950 "IBT_OCHAN_PORT_REDIRECTED specified"); 951 952 status = ibt_index2pkey_byguid(hcap->hca_guid, 953 chan_args->oc_cm_cep_path->cep_hca_port_num, 954 chan_args->oc_cm_cep_path->cep_pkey_ix, 955 &reply_addr->rcvd_addr.ia_p_key); 956 957 if (status != IBT_SUCCESS) { 958 IBTF_DPRINTF_L2(cmlog, "ibcm_init_rely_addr: Invalid " 959 "CM PKeyIx %x port_num %x", 960 chan_args->oc_cm_cep_path->cep_pkey_ix, 961 chan_args->oc_cm_cep_path->cep_hca_port_num); 962 return (status); 963 } 964 965 cm_adds = &(chan_args->oc_cm_cep_path->cep_adds_vect); 966 IBTF_DPRINTF_L4(cmlog, "ibcm_init_rely_addr: dlid = %x", 967 cm_adds->av_dlid); 968 969 reply_addr->rcvd_addr.ia_q_key = IB_GSI_QKEY; 970 reply_addr->rcvd_addr.ia_remote_qno = 1; 971 *cm_pkt_lt = chan_args->oc_cm_pkt_lt; 972 973 } else if (flags & IBT_OCHAN_REDIRECTED) { 974 ibt_redirect_info_t *redirect_info; 975 ibt_hca_portinfo_t *port_infop; 976 uint_t psize, nports; 977 978 IBTF_DPRINTF_L4(cmlog, "ibcm_init_rely_addr: " 979 "IBT_OCHAN_REDIRECTED specified"); 980 981 redirect_info = chan_args->oc_cm_redirect_info; 982 983 if ((redirect_info->rdi_gid.gid_prefix == 0) || 984 (redirect_info->rdi_gid.gid_guid == 0)) { 985 IBTF_DPRINTF_L2(cmlog, "ibcm_init_reply_addr: " 986 "ERROR: Re-direct GID value NOT Provided."); 987 return (IBT_INVALID_PARAM); 988 } 989 990 /* As per spec definition 1.1, it's always IB_GSI_QKEY */ 991 reply_addr->rcvd_addr.ia_q_key = redirect_info->rdi_qkey; 992 reply_addr->rcvd_addr.ia_remote_qno = redirect_info->rdi_qpn; 993 reply_addr->rcvd_addr.ia_p_key = redirect_info->rdi_pkey; 994 995 /* 996 * if LID is non-zero in classportinfo then use classportinfo 997 * fields to form CM MAD destination address. 998 */ 999 if (redirect_info->rdi_dlid != 0) { 1000 status = ibtl_cm_query_hca_ports_byguid(hcap->hca_guid, 1001 reply_addr->port_num, &port_infop, &nports, &psize); 1002 if ((status != IBT_SUCCESS) || (nports == 0)) { 1003 IBTF_DPRINTF_L2(cmlog, "ibcm_init_reply_addr: " 1004 "Query Ports Failed: %d", status); 1005 return (status); 1006 } else if (port_infop->p_subnet_timeout > 1007 IBCM_MAX_IB_PKT_LT) { 1008 IBTF_DPRINTF_L2(cmlog, "ibcm_init_reply_addr: " 1009 "large subnet timeout %x port_no %x", 1010 port_infop->p_subnet_timeout, 1011 reply_addr->port_num); 1012 ibt_free_portinfo(port_infop, psize); 1013 return (IBT_PATH_PKT_LT_TOO_HIGH); 1014 } else { 1015 IBTF_DPRINTF_L3(cmlog, "ibcm_init_reply_addr: " 1016 "subnet timeout %x port_no %x", 1017 port_infop->p_subnet_timeout, 1018 reply_addr->port_num); 1019 1020 *cm_pkt_lt = 1021 ibt_ib2usec(min(ibcm_max_ib_mad_pkt_lt, 1022 port_infop->p_subnet_timeout)); 1023 1024 ibt_free_portinfo(port_infop, psize); 1025 } 1026 1027 reply_addr->rcvd_addr.ia_remote_lid = 1028 redirect_info->rdi_dlid; 1029 reply_addr->rcvd_addr.ia_service_level = 1030 redirect_info->rdi_sl; 1031 reply_addr->grh_exists = B_TRUE; 1032 reply_addr->grh_hdr.ig_recver_gid = 1033 redirect_info->rdi_gid; 1034 reply_addr->grh_hdr.ig_tclass = 1035 redirect_info->rdi_tclass; 1036 reply_addr->grh_hdr.ig_flow_label = 1037 redirect_info->rdi_flow; 1038 1039 /* Classportinfo doesn't have hoplimit field */ 1040 reply_addr->grh_hdr.ig_hop_limit = 1; 1041 return (IBT_SUCCESS); 1042 1043 } else { 1044 ibt_path_attr_t path_attr; 1045 ib_gid_t path_dgid[1]; 1046 1047 /* 1048 * If GID is specified, and LID is zero in classportinfo 1049 * do a path lookup using specified GID, Pkey, 1050 * in classportinfo 1051 */ 1052 1053 bzero(&path_attr, sizeof (path_attr)); 1054 1055 path_attr.pa_dgids = &path_dgid[0]; 1056 path_attr.pa_dgids[0] = redirect_info->rdi_gid; 1057 1058 /* 1059 * use reply_addr below, as sender_gid in reply_addr 1060 * may have been set above based on some policy decision 1061 * for originating end point for CM MADs above 1062 */ 1063 path_attr.pa_sgid = reply_addr->grh_hdr.ig_sender_gid; 1064 path_attr.pa_num_dgids = 1; 1065 path_attr.pa_pkey = redirect_info->rdi_pkey; 1066 1067 if ((status = ibt_get_paths(ibcm_ibt_handle, 1068 IBT_PATH_PKEY, &path_attr, 1, &path, NULL)) != 1069 IBT_SUCCESS) 1070 return (status); 1071 1072 /* Initialize cm_adds */ 1073 cm_adds = &path.pi_prim_cep_path.cep_adds_vect; 1074 *cm_pkt_lt = path.pi_prim_pkt_lt; 1075 } 1076 1077 } else { /* cm_pkey initialized in ibt_open_rc_channel */ 1078 reply_addr->rcvd_addr.ia_q_key = IB_GSI_QKEY; 1079 reply_addr->rcvd_addr.ia_remote_qno = 1; 1080 *cm_pkt_lt = chan_args->oc_path->pi_prim_pkt_lt; 1081 cm_adds = &(IBCM_PRIM_ADDS_VECT(chan_args)); 1082 } 1083 1084 1085 cm_grh = cm_adds->av_send_grh; 1086 reply_addr->grh_exists = cm_grh; 1087 1088 reply_addr->rcvd_addr.ia_remote_lid = 1089 cm_adds->av_dlid; 1090 reply_addr->grh_hdr.ig_recver_gid = 1091 cm_adds->av_dgid; 1092 reply_addr->grh_hdr.ig_flow_label = 1093 cm_adds->av_flow & IB_GRH_FLOW_LABEL_MASK; 1094 reply_addr->grh_hdr.ig_tclass = 1095 (cm_grh == B_TRUE) ? cm_adds->av_tclass : 0; 1096 reply_addr->grh_hdr.ig_hop_limit = 1097 (cm_grh == B_TRUE) ? cm_adds->av_hop : 1; 1098 reply_addr->rcvd_addr.ia_service_level = 1099 cm_adds->av_srvl; 1100 1101 _NOTE(NOW_VISIBLE_TO_OTHER_THREADS(*reply_addr)) 1102 1103 return (IBT_SUCCESS); 1104 } 1105 1106 1107 /* 1108 * ibt_prime_close_rc_channel() 1109 * It allocates resources required for close channel operation, so 1110 * ibt_close_rc_channel can be called from interrupt routine. 1111 * 1112 * INPUTS: 1113 * channel The address of an ibt_channel_t struct that 1114 * specifies the channel to open. 1115 * 1116 * RETURN VALUES: 1117 * IBT_SUCCESS on success(or respective failure on error) 1118 * 1119 * Clients are typically expected to call this function in established state 1120 */ 1121 ibt_status_t 1122 ibt_prime_close_rc_channel(ibt_channel_hdl_t channel) 1123 { 1124 ibcm_state_data_t *statep; 1125 ibt_status_t status = IBT_SUCCESS; 1126 1127 IBTF_DPRINTF_L3(cmlog, "ibt_prime_close_rc_channel(%p)", channel); 1128 1129 /* validate channel, first */ 1130 if (IBCM_INVALID_CHANNEL(channel)) { 1131 IBTF_DPRINTF_L2(cmlog, "ibt_prime_close_rc_channel: chan 0x%p " 1132 "invalid channel", channel); 1133 return (IBT_CHAN_HDL_INVALID); 1134 } 1135 1136 if (ibtl_cm_get_chan_type(channel) != IBT_RC_SRV) { 1137 IBTF_DPRINTF_L2(cmlog, "ibt_prime_close_rc_channel: chan 0x%p " 1138 "Invalid Channel type: Applicable only to RC Channel", 1139 channel); 1140 return (IBT_CHAN_SRV_TYPE_INVALID); 1141 } 1142 1143 /* get the statep */ 1144 IBCM_GET_CHAN_PRIVATE(channel, statep); 1145 1146 /* 1147 * This can happen, if the statep is already gone by a DREQ from 1148 * the remote side 1149 */ 1150 1151 if (statep == NULL) { 1152 IBTF_DPRINTF_L2(cmlog, "ibt_prime_close_rc_channel: chan 0x%p " 1153 "statep NULL", channel); 1154 return (IBT_SUCCESS); 1155 } 1156 1157 mutex_enter(&statep->state_mutex); 1158 IBCM_RELEASE_CHAN_PRIVATE(channel); 1159 if (statep->state != IBCM_STATE_ESTABLISHED) { 1160 mutex_exit(&statep->state_mutex); 1161 return (IBT_CHAN_STATE_INVALID); 1162 } 1163 IBCM_REF_CNT_INCR(statep); 1164 IBTF_DPRINTF_L4(cmlog, "ibt_prime_close_rc_channel: chan 0x%p statep %p" 1165 " state %x", channel, statep, statep->state); 1166 mutex_exit(&statep->state_mutex); 1167 1168 /* clients could pre-allocate dreq mad, even before connection est */ 1169 if (statep->dreq_msg == NULL) 1170 status = ibcm_alloc_out_msg(statep->stored_reply_addr.ibmf_hdl, 1171 &statep->dreq_msg, MAD_METHOD_SEND); 1172 1173 mutex_enter(&statep->state_mutex); 1174 IBCM_REF_CNT_DECR(statep); 1175 mutex_exit(&statep->state_mutex); 1176 1177 if (status != IBT_SUCCESS) { 1178 IBTF_DPRINTF_L2(cmlog, "ibt_prime_close_rc_channel: chan 0x%p " 1179 "ibcm_alloc_out_msg failed ", channel); 1180 return (status); 1181 } 1182 1183 /* If this message isn't seen then ibt_prime_close_rc_channel failed */ 1184 IBTF_DPRINTF_L5(cmlog, "ibt_prime_close_rc_channel: chan 0x%p done", 1185 channel); 1186 1187 return (IBT_SUCCESS); 1188 } 1189 1190 /* 1191 * ibt_close_rc_channel() 1192 * It closes an established channel. 1193 * 1194 * RETURN VALUES: 1195 * IBT_SUCCESS on success(or respective failure on error) 1196 */ 1197 ibt_status_t 1198 ibt_close_rc_channel(ibt_channel_hdl_t channel, ibt_execution_mode_t mode, 1199 void *priv_data, ibt_priv_data_len_t priv_data_len, uint8_t *ret_status, 1200 void *ret_priv_data, ibt_priv_data_len_t *ret_priv_data_len_p) 1201 { 1202 ibcm_state_data_t *statep; 1203 1204 IBTF_DPRINTF_L3(cmlog, "ibt_close_rc_channel(%p, %x, %p, %d, %p)", 1205 channel, mode, priv_data, priv_data_len, 1206 (ret_priv_data_len_p == NULL) ? 0 : *ret_priv_data_len_p); 1207 1208 /* validate channel, first */ 1209 if (IBCM_INVALID_CHANNEL(channel)) { 1210 IBTF_DPRINTF_L2(cmlog, "ibt_close_rc_channel: chan 0x%p " 1211 "invalid channel", channel); 1212 return (IBT_CHAN_HDL_INVALID); 1213 } 1214 1215 if (ibtl_cm_get_chan_type(channel) != IBT_RC_SRV) { 1216 IBTF_DPRINTF_L2(cmlog, "ibt_close_rc_channel: chan 0x%p " 1217 "Invalid Channel type: Applicable only to RC Channel", 1218 channel); 1219 return (IBT_CHAN_SRV_TYPE_INVALID); 1220 } 1221 1222 if (mode == IBT_BLOCKING) { 1223 /* valid only for BLOCKING MODE */ 1224 if ((ret_priv_data_len_p != NULL) && 1225 (*ret_priv_data_len_p > IBT_DREP_PRIV_DATA_SZ)) { 1226 IBTF_DPRINTF_L2(cmlog, "ibt_close_rc_channel: chan 0x%p" 1227 " private data len %d is too large", channel, 1228 *ret_priv_data_len_p); 1229 return (IBT_INVALID_PARAM); 1230 } 1231 } else if ((mode != IBT_NONBLOCKING) && (mode != IBT_NOCALLBACKS)) { 1232 IBTF_DPRINTF_L2(cmlog, "ibt_close_rc_channel: chan 0x%p " 1233 "invalid mode %x specified", channel, mode); 1234 return (IBT_INVALID_PARAM); 1235 } 1236 1237 if (ibtl_cm_is_chan_closing(channel) || 1238 ibtl_cm_is_chan_closed(channel)) { 1239 if (ret_status) 1240 *ret_status = IBT_CM_CLOSED_ALREADY; 1241 1242 /* No private data to return to the client */ 1243 if (ret_priv_data_len_p != NULL) 1244 *ret_priv_data_len_p = 0; 1245 1246 if ((mode == IBT_BLOCKING) || 1247 (mode == IBT_NOCALLBACKS)) { 1248 IBCM_GET_CHAN_PRIVATE(channel, statep); 1249 if (statep == NULL) 1250 return (IBT_SUCCESS); 1251 mutex_enter(&statep->state_mutex); 1252 IBCM_RELEASE_CHAN_PRIVATE(channel); 1253 IBCM_REF_CNT_INCR(statep); 1254 while (statep->close_done != B_TRUE) 1255 cv_wait(&statep->block_client_cv, 1256 &statep->state_mutex); 1257 IBCM_REF_CNT_DECR(statep); 1258 mutex_exit(&statep->state_mutex); 1259 } 1260 1261 IBTF_DPRINTF_L3(cmlog, "ibt_close_rc_channel: chan 0x%p " 1262 "already marked for closing", channel); 1263 1264 return (IBT_SUCCESS); 1265 } 1266 1267 /* get the statep */ 1268 IBCM_GET_CHAN_PRIVATE(channel, statep); 1269 if (statep == NULL) { 1270 IBTF_DPRINTF_L2(cmlog, "ibt_close_rc_channel: chan 0x%p " 1271 "statep NULL", channel); 1272 return (IBT_CHAN_STATE_INVALID); 1273 } 1274 1275 mutex_enter(&statep->state_mutex); 1276 1277 if (statep->dreq_msg == NULL) { 1278 IBTF_DPRINTF_L2(cmlog, "ibt_close_rc_channel: chan 0x%p " 1279 "Fatal Error: dreq_msg is NULL", channel); 1280 IBCM_RELEASE_CHAN_PRIVATE(channel); 1281 mutex_exit(&statep->state_mutex); 1282 return (IBT_CHAN_STATE_INVALID); 1283 } 1284 1285 if ((ret_priv_data == NULL) || (ret_priv_data_len_p == NULL)) { 1286 statep->close_ret_priv_data = NULL; 1287 statep->close_ret_priv_data_len = NULL; 1288 } else { 1289 statep->close_ret_priv_data = ret_priv_data; 1290 statep->close_ret_priv_data_len = ret_priv_data_len_p; 1291 } 1292 1293 priv_data_len = min(priv_data_len, IBT_DREQ_PRIV_DATA_SZ); 1294 if ((priv_data != NULL) && (priv_data_len > 0)) { 1295 bcopy(priv_data, ((ibcm_dreq_msg_t *) 1296 IBCM_OUT_MSGP(statep->dreq_msg))->dreq_private_data, 1297 priv_data_len); 1298 } 1299 statep->close_ret_status = ret_status; 1300 1301 IBCM_RELEASE_CHAN_PRIVATE(channel); 1302 IBCM_REF_CNT_INCR(statep); 1303 1304 if (mode != IBT_NONBLOCKING) { 1305 return (ibcm_close_rc_channel(channel, statep, mode)); 1306 } 1307 1308 /* IBT_NONBLOCKING */ 1309 ibcm_close_enqueue(statep); 1310 mutex_exit(&statep->state_mutex); 1311 1312 return (IBT_SUCCESS); 1313 } 1314 1315 void 1316 ibcm_close_start(ibcm_state_data_t *statep) 1317 { 1318 mutex_enter(&statep->state_mutex); 1319 (void) ibcm_close_rc_channel(statep->channel, statep, IBT_NONBLOCKING); 1320 } 1321 1322 static 1323 ibt_status_t 1324 ibcm_close_rc_channel(ibt_channel_hdl_t channel, ibcm_state_data_t *statep, 1325 ibt_execution_mode_t mode) 1326 { 1327 ibcm_hca_info_t *hcap; 1328 1329 _NOTE(LOCK_RELEASED_AS_SIDE_EFFECT(&statep->state_mutex)); 1330 ASSERT(MUTEX_HELD(&statep->state_mutex)); 1331 1332 IBTF_DPRINTF_L3(cmlog, "ibcm_close_rc_channel: chan 0x%p statep %p", 1333 channel, statep); 1334 1335 hcap = statep->hcap; 1336 1337 /* HCA must have been in active state. If not, it's a client bug */ 1338 if (!IBCM_ACCESS_HCA_OK(hcap)) { 1339 IBTF_DPRINTF_L2(cmlog, "ibcm_close_rc_channel: chan 0x%p " 1340 "hcap 0x%p not active", channel, hcap); 1341 IBCM_REF_CNT_DECR(statep); 1342 mutex_exit(&statep->state_mutex); 1343 return (IBT_CHAN_HDL_INVALID); 1344 } 1345 1346 if (statep->state == IBCM_STATE_TRANSIENT_ESTABLISHED) { 1347 while (statep->cep_in_rts == IBCM_BLOCK) 1348 cv_wait(&statep->block_mad_cv, &statep->state_mutex); 1349 } 1350 1351 /* Do TRANSIENT_DREQ check after TRANSIENT_ESTABLISHED check */ 1352 while (statep->state == IBCM_STATE_TRANSIENT_DREQ_SENT) 1353 cv_wait(&statep->block_mad_cv, &statep->state_mutex); 1354 1355 IBTF_DPRINTF_L4(cmlog, "ibcm_close_rc_channel: chan 0x%p " 1356 "connection state is %x", channel, statep->state); 1357 1358 /* If state is in pre-established states, abort the connection est */ 1359 if (statep->state != IBCM_STATE_ESTABLISHED) { 1360 statep->cm_retries++; /* ensure connection trace is dumped */ 1361 1362 /* No DREP private data possible */ 1363 if (statep->close_ret_priv_data_len != NULL) 1364 *statep->close_ret_priv_data_len = 0; 1365 1366 /* 1367 * If waiting for a response mad, then cancel the timer, 1368 * and delete the connection 1369 */ 1370 if (statep->state == IBCM_STATE_REQ_SENT || 1371 statep->state == IBCM_STATE_REP_SENT || 1372 statep->state == IBCM_STATE_REP_WAIT || 1373 statep->state == IBCM_STATE_MRA_REP_RCVD) { 1374 timeout_id_t timer_val = statep->timerid; 1375 ibcm_conn_state_t old_state; 1376 1377 IBTF_DPRINTF_L4(cmlog, "ibcm_close_rc_channel: " 1378 "chan 0x%p connection aborted in state %x", channel, 1379 statep->state); 1380 1381 old_state = statep->state; 1382 statep->state = IBCM_STATE_DELETE; 1383 1384 if (mode == IBT_NONBLOCKING) { 1385 if (taskq_dispatch(ibcm_taskq, 1386 ibcm_process_abort_via_taskq, statep, 1387 TQ_NOSLEEP) == 0) { 1388 1389 IBCM_REF_CNT_DECR(statep); 1390 statep->state = old_state; 1391 mutex_exit(&statep->state_mutex); 1392 return (IBT_INSUFF_KERNEL_RESOURCE); 1393 } /* if taskq_dispatch succeeds */ 1394 /* Cancel the timer */ 1395 statep->timerid = 0; 1396 mutex_exit(&statep->state_mutex); 1397 } else { 1398 /* Cancel the timer */ 1399 statep->timerid = 0; 1400 mutex_exit(&statep->state_mutex); 1401 (void) taskq_dispatch(ibcm_taskq, 1402 ibcm_process_abort_via_taskq, statep, 1403 TQ_SLEEP); 1404 } 1405 1406 /* cancel the currently running timer */ 1407 if (timer_val != 0) 1408 (void) untimeout(timer_val); 1409 1410 /* wait until cm handler returns for BLOCKING cases */ 1411 mutex_enter(&statep->state_mutex); 1412 if ((mode == IBT_BLOCKING) || 1413 (mode == IBT_NOCALLBACKS)) { 1414 while (statep->close_done != B_TRUE) 1415 cv_wait(&statep->block_client_cv, 1416 &statep->state_mutex); 1417 } 1418 1419 if (statep->close_ret_status) 1420 *statep->close_ret_status = IBT_CM_CLOSED_ABORT; 1421 mutex_exit(&statep->state_mutex); 1422 1423 /* 1424 * It would ideal to post a REJ MAD, but that would 1425 * be non-conformance to spec. Hence, delete the state 1426 * data. Assuming that happens quickly, any retransmits 1427 * from the remote are replied by CM with reject 1428 * reason " no valid com id". That would stop remote 1429 * sending any more MADs. 1430 */ 1431 ibcm_delete_state_data(statep); 1432 return (IBT_SUCCESS); 1433 1434 /* if CM busy in cm handler, wait until cm handler returns */ 1435 } else if (statep->state == IBCM_STATE_REQ_RCVD || 1436 statep->state == IBCM_STATE_REP_RCVD || 1437 statep->state == IBCM_STATE_MRA_SENT || 1438 statep->state == IBCM_STATE_MRA_REP_SENT) { 1439 1440 /* take control of statep */ 1441 statep->abort_flag |= IBCM_ABORT_CLIENT; 1442 1443 IBTF_DPRINTF_L4(cmlog, "ibcm_close_rc_channel: " 1444 "chan 0x%p connection aborted in state = %x", 1445 channel, statep->state); 1446 1447 /* 1448 * wait until state machine modifies qp state to error, 1449 * including disassociating statep and QP 1450 */ 1451 if ((mode == IBT_BLOCKING) || (mode == IBT_NOCALLBACKS)) 1452 while (statep->close_done != B_TRUE) 1453 cv_wait(&statep->block_client_cv, 1454 &statep->state_mutex); 1455 1456 /* a sanity setting */ 1457 if (mode == IBT_NOCALLBACKS) 1458 statep->cm_handler = NULL; 1459 IBCM_REF_CNT_DECR(statep); 1460 1461 /* 1462 * In rare situations, connection attempt could be 1463 * terminated for some other reason, before abort is 1464 * processed, but CM still returns ret_status as abort 1465 */ 1466 if (statep->close_ret_status) 1467 *statep->close_ret_status = IBT_CM_CLOSED_ABORT; 1468 mutex_exit(&statep->state_mutex); 1469 1470 /* 1471 * REJ MAD is posted by the CM state machine for this 1472 * case, hence state structure is deleted in the 1473 * state machine processing. 1474 */ 1475 return (IBT_SUCCESS); 1476 1477 } else if ((statep->state == IBCM_STATE_TIMEWAIT) || 1478 (statep->state == IBCM_STATE_DELETE)) { 1479 1480 /* State already in timewait, so no return priv data */ 1481 IBCM_REF_CNT_DECR(statep); 1482 1483 /* The teardown has already been done */ 1484 if (statep->close_ret_status) 1485 *statep->close_ret_status = 1486 IBT_CM_CLOSED_ALREADY; 1487 mutex_exit(&statep->state_mutex); 1488 1489 return (IBT_SUCCESS); 1490 1491 } else if ((statep->state == IBCM_STATE_DREQ_RCVD) || 1492 (statep->state == IBCM_STATE_DREQ_SENT) || 1493 (statep->state == IBCM_STATE_DREP_RCVD) || 1494 ((statep->state == IBCM_STATE_TIMED_OUT) && 1495 (statep->timedout_state == IBCM_STATE_DREQ_SENT))) { 1496 1497 /* 1498 * Either the remote or local client has already 1499 * initiated the teardown. IBCM_STATE_DREP_RCVD is 1500 * possible, if CM initiated teardown without client's 1501 * knowledge, for stale handling, etc., 1502 */ 1503 if (mode == IBT_NOCALLBACKS) { 1504 if (statep->close_nocb_state == IBCM_UNBLOCK) { 1505 statep->close_nocb_state = IBCM_FAIL; 1506 /* enable free qp after return */ 1507 ibtl_cm_chan_is_closing( 1508 statep->channel); 1509 } else while (statep->close_nocb_state == 1510 IBCM_BLOCK) 1511 cv_wait(&statep->block_client_cv, 1512 &statep->state_mutex); 1513 statep->cm_handler = NULL; /* sanity setting */ 1514 if (statep->close_ret_status) 1515 *statep->close_ret_status = 1516 IBT_CM_CLOSED_ALREADY; 1517 } else if (mode == IBT_BLOCKING) { 1518 /* wait until state is moved to timewait */ 1519 while (statep->close_done != B_TRUE) 1520 cv_wait(&statep->block_client_cv, 1521 &statep->state_mutex); 1522 } 1523 1524 IBCM_REF_CNT_DECR(statep); 1525 mutex_exit(&statep->state_mutex); 1526 1527 /* ret_status is set in state machine code */ 1528 return (IBT_SUCCESS); 1529 1530 } else if (statep->state == IBCM_STATE_TIMED_OUT) { 1531 1532 if ((mode == IBT_BLOCKING) || 1533 (mode == IBT_NOCALLBACKS)) { 1534 1535 /* 1536 * wait until cm handler invocation and 1537 * disassociation between statep and channel 1538 * is complete 1539 */ 1540 while (statep->close_done != B_TRUE) 1541 cv_wait(&statep->block_client_cv, 1542 &statep->state_mutex); 1543 } 1544 1545 if (statep->close_ret_status) 1546 *statep->close_ret_status = IBT_CM_CLOSED_ABORT; 1547 IBCM_REF_CNT_DECR(statep); 1548 mutex_exit(&statep->state_mutex); 1549 1550 return (IBT_SUCCESS); 1551 } else { 1552 IBCM_REF_CNT_DECR(statep); 1553 mutex_exit(&statep->state_mutex); 1554 1555 return (IBT_CM_FAILURE); 1556 } 1557 } 1558 1559 ASSERT(statep->close_nocb_state != IBCM_BLOCK); 1560 1561 if (mode == IBT_NOCALLBACKS) { 1562 statep->close_nocb_state = IBCM_FAIL; 1563 statep->cm_handler = NULL; 1564 ibtl_cm_chan_is_closing(statep->channel); 1565 IBTF_DPRINTF_L4(cmlog, "ibcm_close_rc_channel: " 1566 "NOCALLBACKS on in statep = %p", statep); 1567 } 1568 1569 if (statep->state != IBCM_STATE_ESTABLISHED) { 1570 goto lost_race; 1571 } 1572 1573 /* 1574 * Cancel/wait for any pending ibt_set_alt_path, and 1575 * release state mutex 1576 */ 1577 ibcm_sync_lapr_idle(statep); 1578 1579 ibcm_close_enter(); 1580 1581 mutex_enter(&statep->state_mutex); 1582 if (statep->state != IBCM_STATE_ESTABLISHED) { 1583 ibcm_close_exit(); 1584 goto lost_race; 1585 } 1586 1587 statep->state = IBCM_STATE_TRANSIENT_DREQ_SENT; 1588 statep->timerid = 0; 1589 statep->close_done = B_FALSE; 1590 statep->close_flow = 1; 1591 mutex_exit(&statep->state_mutex); 1592 1593 ibcm_post_dreq_mad(statep); 1594 1595 mutex_enter(&statep->state_mutex); 1596 1597 lost_race: 1598 if (mode == IBT_BLOCKING) { 1599 1600 /* wait for DREP */ 1601 while (statep->close_done != B_TRUE) 1602 cv_wait(&statep->block_client_cv, 1603 &statep->state_mutex); 1604 1605 IBTF_DPRINTF_L4(cmlog, "ibcm_close_rc_channel: chan 0x%p " 1606 "done blocking", channel); 1607 } 1608 1609 IBCM_REF_CNT_DECR(statep); 1610 mutex_exit(&statep->state_mutex); 1611 1612 /* If this message isn't seen then ibt_close_rc_channel failed */ 1613 IBTF_DPRINTF_L5(cmlog, "ibcm_close_rc_channel: chan 0x%p done", 1614 channel); 1615 1616 return (IBT_SUCCESS); 1617 } 1618 1619 ibt_status_t 1620 ibt_recycle_rc(ibt_channel_hdl_t rc_chan, ibt_cep_flags_t control, 1621 uint8_t hca_port_num, ibt_recycle_handler_t func, void *arg) 1622 { 1623 ibcm_state_data_t *statep; 1624 ibcm_taskq_recycle_arg_t *ibcm_tq_recycle_arg; 1625 ibt_qp_query_attr_t qp_attr; 1626 ibt_status_t retval; 1627 1628 IBTF_DPRINTF_L3(cmlog, "ibt_recycle_rc (%p, 0x%X, %d, %p, %p)", rc_chan, 1629 control, hca_port_num, func, arg); 1630 1631 if (IBCM_INVALID_CHANNEL(rc_chan)) { 1632 IBTF_DPRINTF_L2(cmlog, "ibt_recycle_rc: invalid channel"); 1633 return (IBT_CHAN_HDL_INVALID); 1634 } 1635 1636 /* check qp state */ 1637 retval = ibt_query_qp(rc_chan, &qp_attr); 1638 1639 if (retval != IBT_SUCCESS) 1640 return (retval); 1641 1642 if (qp_attr.qp_info.qp_trans != IBT_RC_SRV) 1643 return (IBT_CHAN_SRV_TYPE_INVALID); 1644 1645 if (qp_attr.qp_info.qp_state != IBT_STATE_ERROR) 1646 return (IBT_CHAN_STATE_INVALID); 1647 1648 _NOTE(NOW_INVISIBLE_TO_OTHER_THREADS(*ibcm_tq_recycle_arg)) 1649 1650 ibcm_tq_recycle_arg = kmem_alloc(sizeof (ibcm_taskq_recycle_arg_t), 1651 KM_SLEEP); 1652 1653 ibcm_tq_recycle_arg->rc_chan = rc_chan; 1654 ibcm_tq_recycle_arg->control = control; 1655 ibcm_tq_recycle_arg->hca_port_num = hca_port_num; 1656 ibcm_tq_recycle_arg->func = func; 1657 ibcm_tq_recycle_arg->arg = arg; 1658 1659 _NOTE(NOW_VISIBLE_TO_OTHER_THREADS(*ibcm_tq_recycle_arg)) 1660 1661 IBCM_GET_CHAN_PRIVATE(rc_chan, statep); 1662 1663 /* 1664 * If non-blocking ie., func specified and channel has not yet completed 1665 * the timewait, then schedule the work for later 1666 */ 1667 if ((func != NULL) && (statep != NULL)) { 1668 IBCM_RELEASE_CHAN_PRIVATE(rc_chan); 1669 _NOTE(NOW_INVISIBLE_TO_OTHER_THREADS(statep->recycle_arg)) 1670 statep->recycle_arg = ibcm_tq_recycle_arg; 1671 _NOTE(NOW_VISIBLE_TO_OTHER_THREADS(statep->recycle_arg)) 1672 return (IBT_SUCCESS); 1673 } 1674 1675 /* 1676 * if blocking ie., func specified, and channel has not yet completed 1677 * the timewait, then block until the channel completes the timewait 1678 */ 1679 if (statep != NULL) 1680 IBCM_RELEASE_CHAN_PRIVATE(rc_chan); 1681 IBCM_WAIT_CHAN_PRIVATE(rc_chan); 1682 1683 if (func) { /* NON BLOCKING case. Taskq for QP state change */ 1684 (void) taskq_dispatch(ibcm_taskq, ibcm_process_rc_recycle, 1685 ibcm_tq_recycle_arg, TQ_SLEEP); 1686 return (IBT_SUCCESS); 1687 } else /* BLOCKING case */ 1688 return (ibcm_process_rc_recycle_ret(ibcm_tq_recycle_arg)); 1689 } 1690 1691 void 1692 ibcm_process_rc_recycle(void *recycle_arg) 1693 { 1694 (void) ibcm_process_rc_recycle_ret(recycle_arg); 1695 } 1696 1697 static ibt_status_t 1698 ibcm_process_rc_recycle_ret(void *recycle_arg) 1699 { 1700 ibt_qp_info_t qp_info; 1701 ibt_status_t ibt_status = IBT_SUCCESS; 1702 ibt_cep_modify_flags_t cep_flags; 1703 ibt_qp_query_attr_t qp_attr; 1704 ibcm_taskq_recycle_arg_t *ibcm_tq_recycle_arg = 1705 (ibcm_taskq_recycle_arg_t *)recycle_arg; 1706 1707 /* QP must have been in error state */ 1708 ibt_status = ibt_query_qp(ibcm_tq_recycle_arg->rc_chan, &qp_attr); 1709 if (ibt_status != IBT_SUCCESS) 1710 IBTF_DPRINTF_L2(cmlog, "ibcm_process_rc_recycle_ret: " 1711 "chanp %p ibt_query_qp() = %d", 1712 ibcm_tq_recycle_arg->rc_chan, ibt_status); 1713 else { 1714 /* perform the QP state change from ERROR to RESET */ 1715 bzero(&qp_info, sizeof (qp_info)); 1716 1717 qp_info.qp_trans = IBT_RC_SRV; 1718 qp_info.qp_state = IBT_STATE_RESET; 1719 1720 /* Call modify_qp to move to RESET state */ 1721 ibt_status = ibt_modify_qp(ibcm_tq_recycle_arg->rc_chan, 1722 IBT_CEP_SET_STATE, &qp_info, NULL); 1723 1724 if (ibt_status != IBT_SUCCESS) 1725 IBTF_DPRINTF_L2(cmlog, "ibcm_process_rc_recycle_ret: " 1726 "chanp %p ibt_modify_qp() = %d for ERROR to RESET", 1727 ibcm_tq_recycle_arg->rc_chan, ibt_status); 1728 } 1729 1730 if (ibt_status == IBT_SUCCESS) { 1731 1732 qp_info.qp_state = IBT_STATE_INIT; 1733 1734 /* set flags for all mandatory args from RESET to INIT */ 1735 cep_flags = IBT_CEP_SET_STATE | IBT_CEP_SET_PORT; 1736 cep_flags |= IBT_CEP_SET_RDMA_R | IBT_CEP_SET_RDMA_W; 1737 cep_flags |= IBT_CEP_SET_ATOMIC; 1738 1739 qp_info.qp_transport.rc.rc_path.cep_hca_port_num = 1740 ibcm_tq_recycle_arg->hca_port_num; 1741 qp_info.qp_flags |= 1742 ibcm_tq_recycle_arg->control & IBT_CEP_RDMA_RD; 1743 qp_info.qp_flags |= 1744 ibcm_tq_recycle_arg->control & IBT_CEP_RDMA_WR; 1745 qp_info.qp_flags |= 1746 ibcm_tq_recycle_arg->control & IBT_CEP_ATOMIC; 1747 1748 /* Always use the existing pkey */ 1749 qp_info.qp_transport.rc.rc_path.cep_pkey_ix = 1750 qp_attr. qp_info.qp_transport.rc.rc_path.cep_pkey_ix; 1751 1752 /* Call modify_qp to move to INIT state */ 1753 ibt_status = ibt_modify_qp(ibcm_tq_recycle_arg->rc_chan, 1754 cep_flags, &qp_info, NULL); 1755 1756 if (ibt_status != IBT_SUCCESS) 1757 IBTF_DPRINTF_L2(cmlog, "ibcm_process_rc_recycle_ret: " 1758 "chanp %p ibt_modify_qp() = %d for RESET to INIT", 1759 ibcm_tq_recycle_arg->rc_chan, ibt_status); 1760 } 1761 1762 /* Change the QP CM state to indicate QP being re-used */ 1763 if (ibt_status == IBT_SUCCESS) 1764 ibtl_cm_chan_is_reused(ibcm_tq_recycle_arg->rc_chan); 1765 1766 /* Call func, if defined */ 1767 if (ibcm_tq_recycle_arg->func) 1768 (*(ibcm_tq_recycle_arg->func))(ibt_status, 1769 ibcm_tq_recycle_arg->arg); 1770 1771 kmem_free(ibcm_tq_recycle_arg, sizeof (ibcm_taskq_recycle_arg_t)); 1772 1773 return (ibt_status); 1774 } 1775 1776 static void 1777 ibcm_process_abort_via_taskq(void *args) 1778 { 1779 ibcm_state_data_t *statep = (ibcm_state_data_t *)args; 1780 1781 ibcm_process_abort(statep); 1782 mutex_enter(&statep->state_mutex); 1783 IBCM_REF_CNT_DECR(statep); 1784 mutex_exit(&statep->state_mutex); 1785 } 1786 1787 /* 1788 * Local UD CM Handler's private data, used during ibt_request_ud_dest() in 1789 * Non-Blocking mode operations. 1790 */ 1791 typedef struct ibcm_local_handler_s { 1792 ibt_cm_ud_handler_t actual_cm_handler; 1793 void *actual_cm_private; 1794 ibt_ud_dest_t *dest_hdl; 1795 } ibcm_local_handler_t; 1796 1797 _NOTE(READ_ONLY_DATA(ibcm_local_handler_s)) 1798 1799 /* 1800 * Local UD CM Handler, used when ibt_alloc_ud_dest() is issued in 1801 * NON-Blocking mode. 1802 * 1803 * Out here, we update the UD Destination handle with 1804 * the obtained DQPN and QKey (from SIDR REP) and invokes actual client 1805 * handler that was specified by the client. 1806 */ 1807 static ibt_cm_status_t 1808 ibcm_local_cm_handler(void *priv, ibt_cm_ud_event_t *event, 1809 ibt_cm_ud_return_args_t *ret_args, void *priv_data, ibt_priv_data_len_t len) 1810 { 1811 ibcm_local_handler_t *handler_priv = (ibcm_local_handler_t *)priv; 1812 1813 IBTF_DPRINTF_L4(cmlog, "ibcm_local_cm_handler: event %d", 1814 event->cm_type); 1815 1816 ASSERT(handler_priv != NULL); 1817 1818 switch (event->cm_type) { 1819 case IBT_CM_UD_EVENT_SIDR_REP: 1820 /* Update QPN & QKey from event into destination handle. */ 1821 if (handler_priv->dest_hdl != NULL) { 1822 handler_priv->dest_hdl->ud_dst_qpn = 1823 event->cm_event.sidr_rep.srep_remote_qpn; 1824 handler_priv->dest_hdl->ud_qkey = 1825 event->cm_event.sidr_rep.srep_remote_qkey; 1826 } 1827 1828 /* Invoke the client handler - inform only, so ignore retval */ 1829 (void) handler_priv->actual_cm_handler( 1830 handler_priv->actual_cm_private, event, ret_args, priv_data, 1831 len); 1832 1833 /* Free memory allocated for local handler's private data. */ 1834 if (handler_priv != NULL) 1835 kmem_free(handler_priv, sizeof (*handler_priv)); 1836 1837 break; 1838 default: 1839 IBTF_DPRINTF_L2(cmlog, "ibcm_local_cm_handler: ERROR"); 1840 break; 1841 } 1842 1843 return (IBT_CM_ACCEPT); 1844 } 1845 1846 1847 /* Validate the input UD destination attributes. */ 1848 static ibt_status_t 1849 ibcm_validate_dqpn_data(ibt_ud_dest_attr_t *attr, ibt_execution_mode_t mode, 1850 ibt_ud_returns_t *ret_args) 1851 { 1852 /* cm handler must always be specified */ 1853 if (mode == IBT_NONBLOCKING && attr->ud_cm_handler == NULL) { 1854 IBTF_DPRINTF_L2(cmlog, "ibcm_validate_dqpn_data: " 1855 "CM handler is not specified "); 1856 return (IBT_INVALID_PARAM); 1857 } 1858 1859 if (mode == IBT_NONBLOCKING) { 1860 if (ret_args != NULL) { 1861 IBTF_DPRINTF_L2(cmlog, "ibcm_validate_dqpn_data: " 1862 "ret_args should be NULL when called in " 1863 "non-blocking mode"); 1864 return (IBT_INVALID_PARAM); 1865 } 1866 } else if (mode == IBT_BLOCKING) { 1867 if (ret_args == NULL) { 1868 IBTF_DPRINTF_L2(cmlog, "ibcm_validate_dqpn_data: " 1869 "ret_args should be Non-NULL when called in " 1870 "blocking mode"); 1871 return (IBT_INVALID_PARAM); 1872 } 1873 } else { 1874 IBTF_DPRINTF_L2(cmlog, "ibcm_validate_dqpn_data: " 1875 "invalid mode %x specified ", mode); 1876 return (IBT_INVALID_PARAM); 1877 } 1878 1879 if (attr->ud_sid == 0) { 1880 IBTF_DPRINTF_L2(cmlog, "ibcm_validate_dqpn_data: " 1881 "ServiceID must be specified. "); 1882 return (IBT_INVALID_PARAM); 1883 } 1884 1885 if (attr->ud_addr == NULL) { 1886 IBTF_DPRINTF_L2(cmlog, "ibcm_validate_dqpn_data: " 1887 "Address Info NULL"); 1888 return (IBT_INVALID_PARAM); 1889 } 1890 1891 /* Validate SGID */ 1892 if ((attr->ud_addr->av_sgid.gid_prefix == 0) || 1893 (attr->ud_addr->av_sgid.gid_guid == 0)) { 1894 IBTF_DPRINTF_L2(cmlog, "ibcm_validate_dqpn_data: Invalid SGID"); 1895 return (IBT_INVALID_PARAM); 1896 } 1897 IBTF_DPRINTF_L3(cmlog, "ibcm_validate_dqpn_data: SGID<%llX:%llX>", 1898 attr->ud_addr->av_sgid.gid_prefix, 1899 attr->ud_addr->av_sgid.gid_guid); 1900 1901 /* Validate DGID */ 1902 if ((attr->ud_addr->av_dgid.gid_prefix == 0) || 1903 (attr->ud_addr->av_dgid.gid_guid == 0)) { 1904 IBTF_DPRINTF_L2(cmlog, "ibcm_validate_dqpn_data: Invalid DGID"); 1905 return (IBT_INVALID_PARAM); 1906 } 1907 IBTF_DPRINTF_L3(cmlog, "ibcm_validate_dqpn_data: DGID<%llX:%llX>", 1908 attr->ud_addr->av_dgid.gid_prefix, 1909 attr->ud_addr->av_dgid.gid_guid); 1910 1911 return (IBT_SUCCESS); 1912 } 1913 1914 1915 /* Perform SIDR to retrieve DQPN and QKey. */ 1916 static ibt_status_t 1917 ibcm_ud_get_dqpn(ibt_ud_dest_attr_t *attr, ibt_execution_mode_t mode, 1918 ibt_ud_returns_t *ret_args) 1919 { 1920 ibt_status_t retval; 1921 ib_pkey_t ud_pkey; 1922 ibmf_handle_t ibmf_hdl; 1923 ibmf_msg_t *ibmf_msg; 1924 ibcm_hca_info_t *hcap; 1925 ibcm_sidr_req_msg_t *sidr_req_msgp; 1926 ibcm_ud_state_data_t *ud_statep; 1927 ibtl_cm_hca_port_t port; 1928 ibcm_sidr_srch_t sidr_entry; 1929 ibcm_qp_list_t *cm_qp_entry; 1930 1931 /* Retrieve HCA GUID value from the available SGID info. */ 1932 retval = ibtl_cm_get_hca_port(attr->ud_addr->av_sgid, 0, &port); 1933 if ((retval != IBT_SUCCESS) || (port.hp_port == 0)) { 1934 IBTF_DPRINTF_L2(cmlog, "ibcm_ud_get_dqpn: " 1935 "ibtl_cm_get_hca_port failed: %d", retval); 1936 return (retval); 1937 } 1938 1939 IBTF_DPRINTF_L4(cmlog, "ibcm_ud_get_dqpn: " 1940 "HCA GUID:%llX, port_num:%d", port.hp_hca_guid, port.hp_port); 1941 1942 /* Lookup the HCA info for this GUID */ 1943 if ((hcap = ibcm_find_hca_entry(port.hp_hca_guid)) == NULL) { 1944 IBTF_DPRINTF_L2(cmlog, "ibcm_ud_get_dqpn: hcap is NULL"); 1945 return (IBT_HCA_INVALID); 1946 } 1947 1948 /* Return failure if the HCA device or Port is not operational */ 1949 1950 if ((retval = ibt_get_port_state_byguid(port.hp_hca_guid, port.hp_port, 1951 NULL, NULL)) != IBT_SUCCESS) { 1952 /* Device Port is not in good state, don't use it. */ 1953 IBTF_DPRINTF_L2(cmlog, "ibcm_ud_get_dqpn: Invalid " 1954 "port specified or port not active"); 1955 ibcm_dec_hca_acc_cnt(hcap); 1956 return (retval); 1957 } 1958 1959 retval = ibt_index2pkey_byguid(port.hp_hca_guid, port.hp_port, 1960 attr->ud_pkey_ix, &ud_pkey); 1961 if (retval != IBT_SUCCESS) { 1962 IBTF_DPRINTF_L2(cmlog, "ibcm_ud_get_dqpn: " 1963 "Failed to convert index2pkey: %d", retval); 1964 ibcm_dec_hca_acc_cnt(hcap); 1965 return (retval); 1966 } 1967 1968 _NOTE(NOW_INVISIBLE_TO_OTHER_THREADS(sidr_entry)) 1969 1970 /* Allocate a new request id */ 1971 if (ibcm_alloc_reqid(hcap, &sidr_entry.srch_req_id) == IBCM_FAILURE) { 1972 IBTF_DPRINTF_L2(cmlog, "ibcm_ud_get_dqpn: " 1973 "no req id available"); 1974 ibcm_dec_hca_acc_cnt(hcap); 1975 return (IBT_INSUFF_KERNEL_RESOURCE); 1976 } 1977 1978 if ((hcap->hca_port_info[port.hp_port - 1].port_ibmf_hdl == NULL) && 1979 ((retval = ibcm_hca_reinit_port(hcap, port.hp_port - 1)) 1980 != IBT_SUCCESS)) { 1981 IBTF_DPRINTF_L2(cmlog, "ibcm_ud_get_dqpn: " 1982 "ibmf reg or callback setup failed during re-initialize"); 1983 return (retval); 1984 } 1985 1986 ibmf_hdl = hcap->hca_port_info[port.hp_port - 1].port_ibmf_hdl; 1987 1988 /* find the ibmf QP to post the SIDR REQ */ 1989 if ((cm_qp_entry = ibcm_find_qp(hcap, port.hp_port, ud_pkey)) == 1990 NULL) { 1991 IBTF_DPRINTF_L2(cmlog, "ibcm_ud_get_dqpn: IBMF QP allocation" 1992 " failed"); 1993 ibcm_dec_hca_acc_cnt(hcap); 1994 return (IBT_INSUFF_RESOURCE); 1995 } 1996 1997 if ((retval = ibcm_alloc_out_msg(ibmf_hdl, &ibmf_msg, MAD_METHOD_SEND)) 1998 != IBT_SUCCESS) { 1999 IBTF_DPRINTF_L2(cmlog, "ibcm_ud_get_dqpn: IBMF MSG allocation" 2000 " failed"); 2001 ibcm_release_qp(cm_qp_entry); 2002 ibcm_dec_hca_acc_cnt(hcap); 2003 return (retval); 2004 } 2005 2006 sidr_entry.srch_lid = port.hp_base_lid; 2007 sidr_entry.srch_gid = attr->ud_addr->av_sgid; 2008 sidr_entry.srch_grh_exists = attr->ud_addr->av_send_grh; 2009 sidr_entry.srch_mode = IBCM_ACTIVE_MODE; 2010 2011 _NOTE(NOW_VISIBLE_TO_OTHER_THREADS(sidr_entry)) 2012 2013 /* do various allocations needed here */ 2014 rw_enter(&hcap->hca_sidr_list_lock, RW_WRITER); 2015 2016 (void) ibcm_find_sidr_entry(&sidr_entry, hcap, &ud_statep, 2017 IBCM_FLAG_ADD); 2018 rw_exit(&hcap->hca_sidr_list_lock); 2019 2020 /* Increment hca's resource count */ 2021 ibcm_inc_hca_res_cnt(hcap); 2022 2023 /* After a resource created on hca, no need to hold the acc cnt */ 2024 ibcm_dec_hca_acc_cnt(hcap); 2025 2026 _NOTE(NOW_INVISIBLE_TO_OTHER_THREADS(*ud_statep)) 2027 2028 /* Initialize some ud_statep fields */ 2029 ud_statep->ud_stored_msg = ibmf_msg; 2030 ud_statep->ud_svc_id = attr->ud_sid; 2031 ud_statep->ud_pkt_life_time = 2032 ibt_ib2usec(attr->ud_pkt_lt); 2033 ud_statep->ud_stored_reply_addr.cm_qp_entry = cm_qp_entry; 2034 2035 /* set remaining retry cnt */ 2036 ud_statep->ud_remaining_retry_cnt = ud_statep->ud_max_cm_retries; 2037 2038 /* 2039 * Get UD handler and corresponding args which is pass it back 2040 * as first argument for the handler. 2041 */ 2042 ud_statep->ud_state_cm_private = attr->ud_cm_private; 2043 2044 if (mode == IBT_BLOCKING) 2045 ud_statep->ud_return_data = ret_args; 2046 else 2047 ud_statep->ud_cm_handler = attr->ud_cm_handler; 2048 2049 /* Initialize the fields of ud_statep->ud_stored_reply_addr */ 2050 ud_statep->ud_stored_reply_addr.grh_exists = attr->ud_addr->av_send_grh; 2051 ud_statep->ud_stored_reply_addr.ibmf_hdl = ibmf_hdl; 2052 ud_statep->ud_stored_reply_addr.grh_hdr.ig_hop_limit = 2053 attr->ud_addr->av_hop; 2054 ud_statep->ud_stored_reply_addr.grh_hdr.ig_sender_gid = 2055 attr->ud_addr->av_sgid; 2056 ud_statep->ud_stored_reply_addr.grh_hdr.ig_recver_gid = 2057 attr->ud_addr->av_dgid; 2058 ud_statep->ud_stored_reply_addr.grh_hdr.ig_tclass = 2059 attr->ud_addr->av_tclass; 2060 ud_statep->ud_stored_reply_addr.grh_hdr.ig_flow_label = 2061 attr->ud_addr->av_flow & IB_GRH_FLOW_LABEL_MASK; 2062 2063 /* needs to be derived based on the base LID and path bits */ 2064 ud_statep->ud_stored_reply_addr.rcvd_addr.ia_local_lid = 2065 port.hp_base_lid; 2066 ud_statep->ud_stored_reply_addr.rcvd_addr.ia_remote_lid = 2067 attr->ud_addr->av_dlid; 2068 ud_statep->ud_stored_reply_addr.rcvd_addr.ia_p_key = ud_pkey; 2069 ud_statep->ud_stored_reply_addr.rcvd_addr.ia_q_key = IB_GSI_QKEY; 2070 ud_statep->ud_stored_reply_addr.rcvd_addr.ia_service_level = 2071 attr->ud_addr->av_srvl; 2072 2073 /* 2074 * This may be enchanced later, to use a remote qno based on past 2075 * redirect rej mad responses. This would be the place to specify 2076 * appropriate remote qno 2077 */ 2078 ud_statep->ud_stored_reply_addr.rcvd_addr.ia_remote_qno = 1; 2079 2080 _NOTE(NOW_INVISIBLE_TO_OTHER_THREADS(*sidr_req_msgp)) 2081 2082 /* Initialize the SIDR REQ message fields */ 2083 sidr_req_msgp = 2084 (ibcm_sidr_req_msg_t *)IBCM_OUT_MSGP(ud_statep->ud_stored_msg); 2085 2086 sidr_req_msgp->sidr_req_request_id = h2b32(ud_statep->ud_req_id); 2087 sidr_req_msgp->sidr_req_service_id = h2b64(attr->ud_sid); 2088 sidr_req_msgp->sidr_req_pkey = h2b16(ud_pkey); 2089 IBCM_OUT_HDRP(ud_statep->ud_stored_msg)->AttributeID = 2090 h2b16(IBCM_INCOMING_SIDR_REQ + IBCM_ATTR_BASE_ID); 2091 2092 if ((attr->ud_priv_data != NULL) && (attr->ud_priv_data_len > 0)) { 2093 bcopy(attr->ud_priv_data, sidr_req_msgp->sidr_req_private_data, 2094 min(attr->ud_priv_data_len, IBT_SIDR_REQ_PRIV_DATA_SZ)); 2095 } 2096 2097 /* Send out the SIDR REQ message */ 2098 ud_statep->ud_state = IBCM_STATE_SIDR_REQ_SENT; 2099 ud_statep->ud_timer_stored_state = IBCM_STATE_SIDR_REQ_SENT; 2100 IBCM_UD_REF_CNT_INCR(ud_statep); /* for non-blocking SIDR REQ post */ 2101 ud_statep->ud_timer_value = ibt_ib2usec(ibcm_max_sidr_rep_proctime) + 2102 (ud_statep->ud_pkt_life_time * 2); 2103 2104 IBCM_OUT_HDRP(ud_statep->ud_stored_msg)->TransactionID = 2105 h2b64(ibcm_generate_tranid(IBCM_INCOMING_SIDR_REQ, 2106 ud_statep->ud_req_id, 0)); 2107 2108 IBTF_DPRINTF_L4(cmlog, "ibcm_ud_get_dqpn: timer_value in HZ = %x", 2109 ud_statep->ud_timer_value); 2110 2111 _NOTE(NOW_VISIBLE_TO_OTHER_THREADS(*ud_statep)) 2112 _NOTE(NOW_VISIBLE_TO_OTHER_THREADS(*sidr_req_msgp)) 2113 2114 ibcm_post_ud_mad(ud_statep, ud_statep->ud_stored_msg, 2115 ibcm_post_sidr_req_complete, ud_statep); 2116 2117 mutex_enter(&ud_statep->ud_state_mutex); 2118 2119 /* Wait for SIDR_REP */ 2120 if (mode == IBT_BLOCKING) { 2121 IBTF_DPRINTF_L4(cmlog, "ibcm_ud_get_dqpn: blocking"); 2122 2123 while (ud_statep->ud_blocking_done != B_TRUE) { 2124 cv_wait(&ud_statep->ud_block_client_cv, 2125 &ud_statep->ud_state_mutex); 2126 } 2127 2128 IBTF_DPRINTF_L4(cmlog, "ibcm_ud_get_dqpn: finished blocking"); 2129 2130 if (ret_args->ud_status == IBT_CM_SREP_QPN_VALID) { 2131 IBTF_DPRINTF_L4(cmlog, "ibcm_ud_get_dqpn: DQPN = %x, " 2132 "status = %x, QKey = %x", ret_args->ud_dqpn, 2133 ret_args->ud_status, ret_args->ud_qkey); 2134 2135 } else { 2136 IBTF_DPRINTF_L4(cmlog, "ibcm_ud_get_dqpn: Status<%x>", 2137 ret_args->ud_status); 2138 retval = IBT_CM_FAILURE; 2139 } 2140 } 2141 2142 IBCM_UD_REF_CNT_DECR(ud_statep); 2143 mutex_exit(&ud_statep->ud_state_mutex); 2144 2145 IBTF_DPRINTF_L4(cmlog, "ibcm_ud_get_dqpn: done"); 2146 2147 return (retval); 2148 } 2149 2150 2151 /* 2152 * Function: 2153 * ibt_request_ud_dest 2154 * Input: 2155 * ud_dest A previously allocated UD destination handle. 2156 * mode This function can execute in blocking or non blocking 2157 * modes. 2158 * attr UD destination attributes to be modified. 2159 * Output: 2160 * ud_ret_args If the function is called in blocking mode, ud_ret_args 2161 * should be a pointer to an ibt_ud_returns_t struct. 2162 * Returns: 2163 * IBT_SUCCESS 2164 * Description: 2165 * Modify a previously allocated UD destination handle based on the 2166 * results of doing the SIDR protocol. 2167 */ 2168 ibt_status_t 2169 ibt_request_ud_dest(ibt_ud_dest_hdl_t ud_dest, ibt_execution_mode_t mode, 2170 ibt_ud_dest_attr_t *attr, ibt_ud_returns_t *ud_ret_args) 2171 { 2172 ibt_status_t retval; 2173 ibt_ud_dest_t *ud_destp; 2174 ibcm_local_handler_t *local_handler_priv = NULL; 2175 2176 IBTF_DPRINTF_L3(cmlog, "ibt_request_ud_dest(%p, %x, %p, %p)", 2177 ud_dest, mode, attr, ud_ret_args); 2178 2179 retval = ibcm_validate_dqpn_data(attr, mode, ud_ret_args); 2180 if (retval != IBT_SUCCESS) { 2181 return (retval); 2182 } 2183 2184 ud_destp = ud_dest; 2185 2186 /* Allocate an Address handle. */ 2187 retval = ibt_modify_ah(ud_destp->ud_dest_hca, ud_destp->ud_ah, 2188 attr->ud_addr); 2189 if (retval != IBT_SUCCESS) { 2190 IBTF_DPRINTF_L2(cmlog, "ibt_request_ud_dest: " 2191 "Address Handle Modification failed: %d", retval); 2192 return (retval); 2193 } 2194 2195 if (mode == IBT_NONBLOCKING) { 2196 /* 2197 * In NON-BLOCKING mode, and we need to update the destination 2198 * handle with the DQPN and QKey that are obtained from 2199 * SIDR REP, hook-up our own handler, so that we can catch 2200 * the event, and we ourselves call the actual client's 2201 * ud_cm_handler, in our handler. 2202 */ 2203 2204 /* Allocate memory for local handler's private data. */ 2205 local_handler_priv = 2206 kmem_alloc(sizeof (*local_handler_priv), KM_SLEEP); 2207 2208 _NOTE(NOW_INVISIBLE_TO_OTHER_THREADS(*local_handler_priv)) 2209 2210 local_handler_priv->actual_cm_handler = attr->ud_cm_handler; 2211 local_handler_priv->actual_cm_private = attr->ud_cm_private; 2212 local_handler_priv->dest_hdl = ud_destp; 2213 2214 _NOTE(NOW_VISIBLE_TO_OTHER_THREADS(*local_handler_priv)) 2215 2216 attr->ud_cm_handler = ibcm_local_cm_handler; 2217 attr->ud_cm_private = local_handler_priv; 2218 } 2219 2220 /* In order to get DQPN and Destination QKey, perform SIDR */ 2221 retval = ibcm_ud_get_dqpn(attr, mode, ud_ret_args); 2222 if (retval != IBT_SUCCESS) { 2223 IBTF_DPRINTF_L2(cmlog, "ibt_request_ud_dest: " 2224 "Failed to get DQPN: %d", retval); 2225 2226 /* Free memory allocated for local handler's private data. */ 2227 if (local_handler_priv != NULL) 2228 kmem_free(local_handler_priv, 2229 sizeof (*local_handler_priv)); 2230 return (retval); 2231 } 2232 2233 /* 2234 * Fill in the dqpn and dqkey as obtained from ud_ret_args, 2235 * values will be valid only on BLOCKING mode. 2236 */ 2237 if (mode == IBT_BLOCKING) { 2238 ud_destp->ud_dst_qpn = ud_ret_args->ud_dqpn; 2239 ud_destp->ud_qkey = ud_ret_args->ud_qkey; 2240 } 2241 2242 return (retval); 2243 } 2244 2245 /* 2246 * Function: 2247 * ibt_ud_get_dqpn 2248 * Input: 2249 * attr A pointer to an ibt_ud_dest_attr_t struct that are 2250 * required for SIDR REQ message. Not specified attributes 2251 * should be set to "NULL" or "0". 2252 * ud_sid, ud_addr and ud_pkt_lt must be specified. 2253 * mode This function can execute in blocking or non blocking 2254 * modes. 2255 * Output: 2256 * returns If the function is called in blocking mode, returns 2257 * should be a pointer to an ibt_ud_returns_t struct. 2258 * Return: 2259 * IBT_SUCCESS on success or respective failure on error. 2260 * Description: 2261 * Finds the destination QPN at the specified destination that the 2262 * specified service can be reached on. The IBTF CM initiates the 2263 * service ID resolution protocol (SIDR) to determine a destination QPN. 2264 * 2265 * NOTE: SIDR_REQ is initiated from active side. 2266 */ 2267 ibt_status_t 2268 ibt_ud_get_dqpn(ibt_ud_dest_attr_t *attr, ibt_execution_mode_t mode, 2269 ibt_ud_returns_t *returns) 2270 { 2271 ibt_status_t retval; 2272 2273 IBTF_DPRINTF_L3(cmlog, "ibt_ud_get_dqpn(%p, %x, %p)", 2274 attr, mode, returns); 2275 2276 retval = ibcm_validate_dqpn_data(attr, mode, returns); 2277 if (retval != IBT_SUCCESS) { 2278 return (retval); 2279 } 2280 2281 return (ibcm_ud_get_dqpn(attr, mode, returns)); 2282 } 2283 2284 2285 /* 2286 * ibt_cm_delay: 2287 * A client CM handler function can call this function 2288 * to extend its response time to a CM event. 2289 * INPUTS: 2290 * flags Indicates what CM message processing is being delayed 2291 * by the CM handler, valid values are: 2292 * IBT_CM_DELAY_REQ 2293 * IBT_CM_DELAY_REP 2294 * IBT_CM_DELAY_LAP 2295 * cm_session_id The session ID that was passed to client srv_handler 2296 * by the CM 2297 * service_time The extended service time 2298 * priv_data Vendor specific data to be sent in the CM generated 2299 * MRA message. Should be NULL if not specified. 2300 * len The number of bytes of data specified by priv_data. 2301 * 2302 * RETURN VALUES: 2303 * IBT_SUCCESS on success (or respective failure on error) 2304 */ 2305 ibt_status_t 2306 ibt_cm_delay(ibt_cmdelay_flags_t flags, void *cm_session_id, 2307 clock_t service_time, void *priv_data, ibt_priv_data_len_t len) 2308 { 2309 uint8_t msg_typ = 0; 2310 ibcm_mra_msg_t *mra_msgp; 2311 ibcm_state_data_t *statep; 2312 ibt_status_t status; 2313 2314 IBTF_DPRINTF_L3(cmlog, "ibt_cm_delay(0x%x, %p, 0x%x)", 2315 flags, cm_session_id, service_time); 2316 2317 /* 2318 * Make sure channel is associated with a statep 2319 */ 2320 statep = (ibcm_state_data_t *)cm_session_id; 2321 2322 if (statep == NULL) { 2323 IBTF_DPRINTF_L2(cmlog, "ibt_cm_delay: statep NULL"); 2324 return (IBT_INVALID_PARAM); 2325 } 2326 2327 IBTF_DPRINTF_L4(cmlog, "ibt_cm_delay: statep %p", statep); 2328 2329 /* Allocate an ibmf msg for mra, if not allocated yet */ 2330 if (statep->mra_msg == NULL) { 2331 if ((status = ibcm_alloc_out_msg( 2332 statep->stored_reply_addr.ibmf_hdl, &statep->mra_msg, 2333 MAD_METHOD_SEND)) != IBT_SUCCESS) { 2334 IBTF_DPRINTF_L2(cmlog, "ibt_cm_delay: chan 0x%p" 2335 "IBMF MSG allocation failed", statep->channel); 2336 return (status); 2337 } 2338 } 2339 2340 _NOTE(NOW_INVISIBLE_TO_OTHER_THREADS(*mra_msgp)) 2341 2342 mra_msgp = (ibcm_mra_msg_t *)IBCM_OUT_MSGP(statep->mra_msg); 2343 mra_msgp->mra_local_comm_id = h2b32(statep->local_comid); 2344 mra_msgp->mra_remote_comm_id = h2b32(statep->remote_comid); 2345 2346 /* fill in rest of MRA's fields - Message MRAed and Service Timeout */ 2347 if (flags == IBT_CM_DELAY_REQ) { 2348 msg_typ = IBT_CM_MRA_TYPE_REQ; 2349 } else if (flags == IBT_CM_DELAY_REP) { 2350 msg_typ = IBT_CM_MRA_TYPE_REP; 2351 } else if (flags == IBT_CM_DELAY_LAP) { 2352 msg_typ = IBT_CM_MRA_TYPE_LAP; 2353 } 2354 2355 mra_msgp->mra_message_type_plus = msg_typ << 6; 2356 mra_msgp->mra_service_timeout_plus = ibt_usec2ib(service_time) << 3; 2357 2358 len = min(len, IBT_MRA_PRIV_DATA_SZ); 2359 if (priv_data && (len > 0)) 2360 bcopy(priv_data, mra_msgp->mra_private_data, len); 2361 2362 IBCM_OUT_HDRP(statep->mra_msg)->AttributeID = 2363 h2b16(IBCM_INCOMING_MRA + IBCM_ATTR_BASE_ID); 2364 2365 _NOTE(NOW_VISIBLE_TO_OTHER_THREADS(*mra_msgp)) 2366 2367 mutex_enter(&statep->state_mutex); 2368 2369 if ((statep->mode == IBCM_ACTIVE_MODE) && 2370 (statep->state == IBCM_STATE_REP_RCVD)) { 2371 statep->state = IBCM_STATE_MRA_REP_SENT; 2372 } else if (statep->mode == IBCM_PASSIVE_MODE) { 2373 if (statep->state == IBCM_STATE_REQ_RCVD) { 2374 statep->state = IBCM_STATE_MRA_SENT; 2375 } else if (statep->ap_state == IBCM_AP_STATE_LAP_RCVD) { 2376 statep->ap_state = IBCM_AP_STATE_MRA_LAP_RCVD; 2377 } else { 2378 IBTF_DPRINTF_L2(cmlog, "ibt_cm_delay: invalid state " 2379 "/ap_state/mode %x, %x, %x", statep->state, 2380 statep->ap_state, statep->mode); 2381 mutex_exit(&statep->state_mutex); 2382 return (IBT_CHAN_STATE_INVALID); 2383 } 2384 } else { 2385 IBTF_DPRINTF_L2(cmlog, "ibt_cm_delay: invalid state " 2386 "/ap_state/mode %x, %x, %x", statep->state, 2387 statep->ap_state, statep->mode); 2388 mutex_exit(&statep->state_mutex); 2389 2390 return (IBT_CHAN_STATE_INVALID); 2391 } 2392 /* service time is usecs, stale_clock is nsecs */ 2393 statep->stale_clock = gethrtime() + 2394 (hrtime_t)ibt_ib2usec(ibt_usec2ib(service_time)) * (1000 * 2395 statep->max_cm_retries); 2396 2397 statep->send_mad_flags |= IBCM_MRA_POST_BUSY; 2398 IBCM_REF_CNT_INCR(statep); /* for ibcm_post_mra_complete */ 2399 mutex_exit(&statep->state_mutex); 2400 2401 IBCM_OUT_HDRP(statep->mra_msg)->TransactionID = 2402 IBCM_OUT_HDRP(statep->stored_msg)->TransactionID; 2403 2404 /* post the MRA mad in blocking mode, as no timers involved */ 2405 ibcm_post_rc_mad(statep, statep->mra_msg, ibcm_post_mra_complete, 2406 statep); 2407 ibcm_insert_trace(statep, IBCM_TRACE_OUTGOING_MRA); 2408 /* If this message isn't seen then ibt_cm_delay failed */ 2409 IBTF_DPRINTF_L3(cmlog, "ibt_cm_delay: done !!"); 2410 2411 return (IBT_SUCCESS); 2412 } 2413 2414 2415 /* 2416 * ibt_register_service() 2417 * Register a service with the IBCM 2418 * 2419 * INPUTS: 2420 * ibt_hdl The IBT client handle returned to the client 2421 * on an ibt_attach() call. 2422 * 2423 * srv The address of a ibt_srv_desc_t that describes 2424 * the service, containing the following: 2425 * 2426 * sd_ud_handler The Service CM UD event Handler. 2427 * sd_handler The Service CM RC/UC/RD event Handler. 2428 * sd_flags Service flags (peer-to-peer, or not). 2429 * 2430 * sid This tells CM if the service is local (sid is 0) or 2431 * wellknown (sid is the starting service id of the range). 2432 * 2433 * num_sids The number of contiguous service-ids to reserve. 2434 * 2435 * srv_hdl The address of a service identification handle, used 2436 * to deregister a service, and to bind GIDs to. 2437 * 2438 * ret_sid The address to store the Service ID return value. 2439 * If num_sids > 1, ret_sid is the first Service ID 2440 * in the range. 2441 * 2442 * ibt_register_service() returns: 2443 * IBT_SUCCESS - added a service successfully. 2444 * IBT_INVALID_PARAM - invalid input parameter. 2445 * IBT_CM_FAILURE - failed to add the service. 2446 * IBT_CM_SERVICE_EXISTS - service already exists. 2447 * IBT_INSUFF_KERNEL_RESOURCE - ran out of local service ids (should 2448 * never happen). 2449 */ 2450 ibt_status_t 2451 ibt_register_service(ibt_clnt_hdl_t ibt_hdl, ibt_srv_desc_t *srv, 2452 ib_svc_id_t sid, int num_sids, ibt_srv_hdl_t *srv_hdl, ib_svc_id_t *ret_sid) 2453 { 2454 ibcm_svc_info_t *svcinfop; 2455 2456 IBTF_DPRINTF_L2(cmlog, "ibt_register_service(%p, %p, %llx, %d)", 2457 ibt_hdl, srv, (longlong_t)sid, num_sids); 2458 2459 _NOTE(NOW_INVISIBLE_TO_OTHER_THREADS(*svcinfop)) 2460 2461 *srv_hdl = NULL; 2462 2463 if (num_sids <= 0) { 2464 IBTF_DPRINTF_L2(cmlog, "ibt_register_service: " 2465 "Invalid number of service-ids specified (%d)", num_sids); 2466 return (IBT_INVALID_PARAM); 2467 } 2468 2469 if (sid == 0) { 2470 if (ret_sid == NULL) 2471 return (IBT_INVALID_PARAM); 2472 sid = ibcm_alloc_local_sids(num_sids); 2473 if (sid == 0) 2474 return (IBT_INSUFF_KERNEL_RESOURCE); 2475 2476 /* Make sure that the ServiceId specified is not of LOCAL AGN type. */ 2477 } else if ((sid & IB_SID_AGN_MASK) == IB_SID_AGN_LOCAL) { 2478 IBTF_DPRINTF_L2(cmlog, "ibt_register_service: " 2479 "Invalid non-LOCAL SID specified: 0x%llX", 2480 (longlong_t)sid); 2481 return (IBT_INVALID_PARAM); 2482 } 2483 2484 svcinfop = ibcm_create_svc_entry(sid, num_sids); 2485 2486 if (svcinfop == NULL) { 2487 IBTF_DPRINTF_L2(cmlog, "ibt_register_service: " 2488 "Service-ID 0x%llx already registered", (longlong_t)sid); 2489 return (IBT_CM_SERVICE_EXISTS); 2490 } 2491 2492 /* 2493 * 'sid' and 'num_sids' are filled in ibcm_create_svc_entry() 2494 */ 2495 svcinfop->svc_flags = srv->sd_flags; 2496 svcinfop->svc_rc_handler = srv->sd_handler; 2497 svcinfop->svc_ud_handler = srv->sd_ud_handler; 2498 2499 if (ret_sid != NULL) 2500 *ret_sid = sid; 2501 2502 *srv_hdl = svcinfop; 2503 2504 ibtl_cm_change_service_cnt(ibt_hdl, num_sids); 2505 2506 /* If this message isn't seen, then ibt_register_service failed. */ 2507 IBTF_DPRINTF_L2(cmlog, "ibt_register_service: done (%p, %llX)", 2508 svcinfop, sid); 2509 2510 _NOTE(NOW_VISIBLE_TO_OTHER_THREADS(*svcinfop)) 2511 2512 return (IBT_SUCCESS); 2513 } 2514 2515 2516 static ibt_status_t 2517 ibcm_write_service_record(ibmf_saa_handle_t saa_handle, 2518 sa_service_record_t *srv_recp, ibmf_saa_access_type_t saa_type) 2519 { 2520 int rval; 2521 int retry; 2522 2523 ibcm_sa_access_enter(); 2524 for (retry = 0; retry < ibcm_max_sa_retries; retry++) { 2525 rval = ibmf_saa_update_service_record( 2526 saa_handle, srv_recp, saa_type, 0); 2527 if (rval != IBMF_TRANS_TIMEOUT) { 2528 break; 2529 } 2530 IBTF_DPRINTF_L2(cmlog, "ibcm_write_service_record: " 2531 "ibmf_saa_update_service_record timed out" 2532 " SID = %llX, rval = %d, saa_type = %d", 2533 (longlong_t)srv_recp->ServiceID, rval, saa_type); 2534 delay(ibcm_sa_timeout_delay); 2535 } 2536 ibcm_sa_access_exit(); 2537 2538 if (rval != IBMF_SUCCESS) { 2539 IBTF_DPRINTF_L2(cmlog, "ibcm_write_service_record: " 2540 "ibmf_saa_update_service_record() : Failed - %d", rval); 2541 return (ibcm_ibmf_analyze_error(rval)); 2542 } else 2543 return (IBT_SUCCESS); 2544 } 2545 2546 2547 static void 2548 ibcm_rem_stale_srec(ibmf_saa_handle_t saa_handle, sa_service_record_t *srec) 2549 { 2550 ibt_status_t retval; 2551 uint_t num_found; 2552 size_t length; 2553 sa_service_record_t *srv_resp; 2554 void *results_p; 2555 uint_t i; 2556 uint64_t component_mask; 2557 ibmf_saa_access_args_t access_args; 2558 2559 component_mask = 2560 SA_SR_COMPMASK_PKEY | SA_SR_COMPMASK_NAME | SA_SR_COMPMASK_GID; 2561 2562 /* Call in SA Access retrieve routine to get Service Records. */ 2563 access_args.sq_attr_id = SA_SERVICERECORD_ATTRID; 2564 access_args.sq_access_type = IBMF_SAA_RETRIEVE; 2565 access_args.sq_component_mask = component_mask; 2566 access_args.sq_template = srec; 2567 access_args.sq_template_length = sizeof (sa_service_record_t); 2568 access_args.sq_callback = NULL; 2569 access_args.sq_callback_arg = NULL; 2570 2571 retval = ibcm_contact_sa_access(saa_handle, &access_args, &length, 2572 &results_p); 2573 if (retval != IBT_SUCCESS) { 2574 IBTF_DPRINTF_L2(cmlog, "ibcm_rem_stale_srec: " 2575 "SA Access Failure"); 2576 return; 2577 } 2578 2579 num_found = length / sizeof (sa_service_record_t); 2580 2581 if (num_found) 2582 IBTF_DPRINTF_L3(cmlog, "ibcm_rem_stale_srec: " 2583 "Found %d matching Service Records.", num_found); 2584 2585 /* Validate the returned number of records. */ 2586 if ((results_p != NULL) && (num_found > 0)) { 2587 2588 /* Remove all the records. */ 2589 for (i = 0; i < num_found; i++) { 2590 2591 srv_resp = (sa_service_record_t *) 2592 ((uchar_t *)results_p + 2593 i * sizeof (sa_service_record_t)); 2594 2595 /* 2596 * Found some matching records, but check out whether 2597 * this Record is really stale or just happens to match 2598 * the current session records. If yes, don't remove it. 2599 */ 2600 mutex_enter(&ibcm_svc_info_lock); 2601 if (ibcm_find_svc_entry(srv_resp->ServiceID) != NULL) { 2602 /* This record is NOT STALE. */ 2603 mutex_exit(&ibcm_svc_info_lock); 2604 IBTF_DPRINTF_L3(cmlog, "ibcm_rem_stale_srec: " 2605 "This is not Stale, it's an active record"); 2606 continue; 2607 } 2608 mutex_exit(&ibcm_svc_info_lock); 2609 2610 IBTF_DPRINTF_L2(cmlog, "ibcm_rem_stale_srec: " 2611 "Removing Stale Rec: %s, %llX", 2612 srv_resp->ServiceName, srv_resp->ServiceID); 2613 2614 IBCM_DUMP_SERVICE_REC(srv_resp); 2615 2616 /* 2617 * Remove the Service Record Entry from SA. 2618 * 2619 * Get ServiceID info from Response Buf, other 2620 * attributes are already filled-in. 2621 */ 2622 2623 _NOTE(NOW_INVISIBLE_TO_OTHER_THREADS(srec->ServiceID)) 2624 2625 srec->ServiceID = srv_resp->ServiceID; 2626 2627 _NOTE(NOW_VISIBLE_TO_OTHER_THREADS(srec->ServiceID)) 2628 2629 (void) ibcm_write_service_record(saa_handle, srec, 2630 IBMF_SAA_DELETE); 2631 } 2632 2633 /* Deallocate the memory for results_p. */ 2634 kmem_free(results_p, length); 2635 } 2636 } 2637 2638 2639 2640 /* 2641 * ibt_bind_service() 2642 * Register a service with the IBCM 2643 * 2644 * INPUTS: 2645 * srv_hdl The service id handle returned to the client 2646 * on an ibt_service_register() call. 2647 * 2648 * gid The GID to which to bind the service. 2649 * 2650 * srv_bind The address of a ibt_srv_bind_t that describes 2651 * the service record. This should be NULL if there 2652 * is to be no service record. This contains: 2653 * 2654 * sb_lease Lease period 2655 * sb_pkey Partition 2656 * sb_name pointer to ASCII string Service Name, 2657 * NULL terminated. 2658 * sb_key[] Key to secure the service record. 2659 * sb_data Service Data structure (64-byte) 2660 * 2661 * cm_private First argument of Service handler. 2662 * 2663 * sb_hdl_p The address of a service bind handle, used 2664 * to undo the service binding. 2665 * 2666 * ibt_bind_service() returns: 2667 * IBT_SUCCESS - added a service successfully. 2668 * IBT_INVALID_PARAM - invalid input parameter. 2669 * IBT_CM_FAILURE - failed to add the service. 2670 * IBT_CM_SERVICE_EXISTS - service already exists. 2671 */ 2672 ibt_status_t 2673 ibt_bind_service(ibt_srv_hdl_t srv_hdl, ib_gid_t gid, ibt_srv_bind_t *srv_bind, 2674 void *cm_private, ibt_sbind_hdl_t *sb_hdl_p) 2675 { 2676 ibt_status_t status; 2677 ibtl_cm_hca_port_t port; 2678 ibcm_svc_bind_t *sbindp, *sbp; 2679 ibcm_hca_info_t *hcap; 2680 ib_svc_id_t sid, start_sid, end_sid; 2681 ibmf_saa_handle_t saa_handle; 2682 sa_service_record_t srv_rec; 2683 uint16_t pkey_ix; 2684 2685 if (sb_hdl_p != NULL) 2686 *sb_hdl_p = NULL; /* return value for error cases */ 2687 2688 IBTF_DPRINTF_L2(cmlog, "ibt_bind_service: srv_hdl %p, gid (%llX:%llX)", 2689 srv_hdl, (longlong_t)gid.gid_prefix, (longlong_t)gid.gid_guid); 2690 2691 _NOTE(NOW_INVISIBLE_TO_OTHER_THREADS(*sbindp)) 2692 2693 /* Call ibtl_cm_get_hca_port to get the port number and the HCA GUID. */ 2694 if ((status = ibtl_cm_get_hca_port(gid, 0, &port)) != IBT_SUCCESS) { 2695 IBTF_DPRINTF_L2(cmlog, "ibt_bind_service: " 2696 "ibtl_cm_get_hca_port failed: %d", status); 2697 return (status); 2698 } 2699 IBTF_DPRINTF_L4(cmlog, "ibt_bind_service: Port:%d HCA GUID:%llX", 2700 port.hp_port, port.hp_hca_guid); 2701 2702 hcap = ibcm_find_hca_entry(port.hp_hca_guid); 2703 if (hcap == NULL) { 2704 IBTF_DPRINTF_L2(cmlog, "ibt_bind_service: NO HCA found"); 2705 return (IBT_HCA_BUSY_DETACHING); 2706 } 2707 IBTF_DPRINTF_L4(cmlog, "ibt_bind_service: hcap = %p", hcap); 2708 2709 if (srv_bind != NULL) { 2710 saa_handle = ibcm_get_saa_handle(hcap, port.hp_port); 2711 if (saa_handle == NULL) { 2712 IBTF_DPRINTF_L2(cmlog, "ibt_bind_service: " 2713 "saa_handle is NULL"); 2714 ibcm_dec_hca_acc_cnt(hcap); 2715 return (IBT_HCA_PORT_NOT_ACTIVE); 2716 } 2717 if (srv_bind->sb_pkey == 0) { 2718 IBTF_DPRINTF_L2(cmlog, "ibt_bind_service: " 2719 "P_Key must not be 0"); 2720 ibcm_dec_hca_acc_cnt(hcap); 2721 return (IBT_INVALID_PARAM); 2722 } 2723 if (strlen(srv_bind->sb_name) >= IB_SVC_NAME_LEN) { 2724 IBTF_DPRINTF_L2(cmlog, "ibt_bind_service: " 2725 "Service Name is too long"); 2726 ibcm_dec_hca_acc_cnt(hcap); 2727 return (IBT_INVALID_PARAM); 2728 } else 2729 IBTF_DPRINTF_L3(cmlog, "ibt_bind_service: " 2730 "Service Name='%s'", srv_bind->sb_name); 2731 status = ibt_pkey2index_byguid(port.hp_hca_guid, 2732 port.hp_port, srv_bind->sb_pkey, &pkey_ix); 2733 if (status != IBT_SUCCESS) { 2734 IBTF_DPRINTF_L2(cmlog, "ibt_bind_service: " 2735 "P_Key 0x%x not found in P_Key_Table", 2736 srv_bind->sb_pkey); 2737 ibcm_dec_hca_acc_cnt(hcap); 2738 return (status); 2739 } 2740 } 2741 2742 /* assume success - allocate before locking */ 2743 sbindp = kmem_zalloc(sizeof (*sbindp), KM_SLEEP); 2744 sbindp->sbind_cm_private = cm_private; 2745 sbindp->sbind_gid = gid; 2746 sbindp->sbind_hcaguid = port.hp_hca_guid; 2747 sbindp->sbind_port = port.hp_port; 2748 2749 mutex_enter(&ibcm_svc_info_lock); 2750 2751 sbp = srv_hdl->svc_bind_list; 2752 while (sbp != NULL) { 2753 if (sbp->sbind_gid.gid_guid == gid.gid_guid && 2754 sbp->sbind_gid.gid_prefix == gid.gid_prefix) { 2755 if (srv_bind == NULL || 2756 srv_bind->sb_pkey == sbp->sbind_pkey) { 2757 IBTF_DPRINTF_L2(cmlog, "ibt_bind_service: " 2758 "failed: GID %llX:%llX and PKEY %x is " 2759 "already bound", gid.gid_guid, 2760 gid.gid_prefix, sbp->sbind_pkey); 2761 mutex_exit(&ibcm_svc_info_lock); 2762 ibcm_dec_hca_acc_cnt(hcap); 2763 kmem_free(sbindp, sizeof (*sbindp)); 2764 return (IBT_CM_SERVICE_EXISTS); 2765 } 2766 } 2767 sbp = sbp->sbind_link; 2768 } 2769 /* no entry found */ 2770 2771 sbindp->sbind_link = srv_hdl->svc_bind_list; 2772 srv_hdl->svc_bind_list = sbindp; 2773 2774 mutex_exit(&ibcm_svc_info_lock); 2775 2776 if (srv_bind != NULL) { 2777 bzero(&srv_rec, sizeof (srv_rec)); 2778 2779 srv_rec.ServiceLease = 2780 sbindp->sbind_lease = srv_bind->sb_lease; 2781 srv_rec.ServiceP_Key = 2782 sbindp->sbind_pkey = srv_bind->sb_pkey; 2783 srv_rec.ServiceKey_hi = 2784 sbindp->sbind_key[0] = srv_bind->sb_key[0]; 2785 srv_rec.ServiceKey_lo = 2786 sbindp->sbind_key[1] = srv_bind->sb_key[1]; 2787 (void) strcpy(sbindp->sbind_name, srv_bind->sb_name); 2788 (void) strcpy((char *)srv_rec.ServiceName, srv_bind->sb_name); 2789 srv_rec.ServiceGID = gid; 2790 2791 /* 2792 * Find out whether we have any stale Local Service records 2793 * matching the current attributes. If yes, we shall try to 2794 * remove them from SA using the current request's ServiceKey. 2795 * 2796 * We will perform this operation only for Local Services, as 2797 * it is handled by SA automatically for WellKnown Services. 2798 * 2799 * Ofcourse, clients can specify NOT to do this clean-up by 2800 * setting IBT_SBIND_NO_CLEANUP flag (srv_bind->sb_flag). 2801 */ 2802 if ((srv_hdl->svc_id & IB_SID_AGN_LOCAL) && 2803 (!(srv_bind->sb_flag & IBT_SBIND_NO_CLEANUP))) { 2804 ibcm_rem_stale_srec(saa_handle, &srv_rec); 2805 } 2806 2807 /* Handle endianess for service data. */ 2808 ibcm_swizzle_from_srv(&srv_bind->sb_data, sbindp->sbind_data); 2809 2810 bcopy(sbindp->sbind_data, srv_rec.ServiceData, IB_SVC_DATA_LEN); 2811 2812 /* insert srv record into the SA */ 2813 start_sid = srv_hdl->svc_id; 2814 end_sid = start_sid + srv_hdl->svc_num_sids - 1; 2815 for (sid = start_sid; sid <= end_sid; sid++) { 2816 2817 srv_rec.ServiceID = sid; 2818 2819 IBCM_DUMP_SERVICE_REC(&srv_rec); 2820 2821 IBTF_DPRINTF_L4(cmlog, "ibt_bind_service: " 2822 "ibmf_saa_write_service_record, SvcId = %llX", 2823 (longlong_t)sid); 2824 2825 status = ibcm_write_service_record(saa_handle, &srv_rec, 2826 IBMF_SAA_UPDATE); 2827 if (status != IBT_SUCCESS) { 2828 IBTF_DPRINTF_L2(cmlog, "ibt_bind_service:" 2829 " ibcm_write_service_record fails %d, " 2830 "sid %llX", status, (longlong_t)sid); 2831 2832 if (sid != start_sid) { 2833 /* 2834 * Bind failed while bind SID other than 2835 * first in the sid_range. So we need 2836 * to unbind those, which are passed. 2837 * 2838 * Need to increment svc count to 2839 * compensate for ibt_unbind_service(). 2840 */ 2841 ibcm_inc_hca_svc_cnt(hcap); 2842 ibcm_dec_hca_acc_cnt(hcap); 2843 2844 (void) ibt_unbind_service(srv_hdl, 2845 sbindp); 2846 } else { 2847 ibcm_svc_bind_t **sbpp; 2848 2849 /* 2850 * Bind failed for the first SID or the 2851 * only SID in question, then no need 2852 * to unbind, just free memory and 2853 * return error. 2854 */ 2855 mutex_enter(&ibcm_svc_info_lock); 2856 2857 sbpp = &srv_hdl->svc_bind_list; 2858 sbp = *sbpp; 2859 while (sbp != NULL) { 2860 if (sbp == sbindp) { 2861 *sbpp = sbp->sbind_link; 2862 break; 2863 } 2864 sbpp = &sbp->sbind_link; 2865 sbp = *sbpp; 2866 } 2867 mutex_exit(&ibcm_svc_info_lock); 2868 ibcm_dec_hca_acc_cnt(hcap); 2869 2870 kmem_free(sbindp, sizeof (*sbindp)); 2871 } 2872 return (status); 2873 } 2874 } 2875 } 2876 ibcm_inc_hca_svc_cnt(hcap); 2877 ibcm_dec_hca_acc_cnt(hcap); 2878 2879 /* If this message isn't seen then ibt_bind_service failed */ 2880 IBTF_DPRINTF_L2(cmlog, "ibt_bind_service: DONE (%p, %llX:%llX)", 2881 srv_hdl, gid.gid_prefix, gid.gid_guid); 2882 2883 if (sb_hdl_p != NULL) 2884 *sb_hdl_p = sbindp; 2885 2886 _NOTE(NOW_VISIBLE_TO_OTHER_THREADS(*sbindp)) 2887 2888 return (IBT_SUCCESS); 2889 } 2890 2891 ibt_status_t 2892 ibt_unbind_service(ibt_srv_hdl_t srv_hdl, ibt_sbind_hdl_t sbindp) 2893 { 2894 ib_svc_id_t sid, end_sid; 2895 ibt_status_t rval; 2896 ibcm_hca_info_t *hcap; 2897 ibcm_svc_bind_t *sbp, **sbpp; 2898 2899 IBTF_DPRINTF_L2(cmlog, "ibt_unbind_service(%p, %p)", 2900 srv_hdl, sbindp); 2901 2902 hcap = ibcm_find_hca_entry(sbindp->sbind_hcaguid); 2903 2904 /* If there is a service on hca, respective hcap cannot go away */ 2905 ASSERT(hcap != NULL); 2906 2907 mutex_enter(&ibcm_svc_info_lock); 2908 2909 sbpp = &srv_hdl->svc_bind_list; 2910 sbp = *sbpp; 2911 while (sbp != NULL) { 2912 if (sbp == sbindp) { 2913 *sbpp = sbp->sbind_link; 2914 break; 2915 } 2916 sbpp = &sbp->sbind_link; 2917 sbp = *sbpp; 2918 } 2919 sid = srv_hdl->svc_id; 2920 end_sid = srv_hdl->svc_id + srv_hdl->svc_num_sids - 1; 2921 if (sbp != NULL) 2922 while (sbp->sbind_rewrite_state == IBCM_REWRITE_BUSY) 2923 cv_wait(&ibcm_svc_info_cv, &ibcm_svc_info_lock); 2924 mutex_exit(&ibcm_svc_info_lock); 2925 2926 if (sbp == NULL) { 2927 IBTF_DPRINTF_L2(cmlog, "ibt_unbind_service: " 2928 "service binding not found: srv_hdl %p, srv_bind %p", 2929 srv_hdl, sbindp); 2930 ibcm_dec_hca_acc_cnt(hcap); 2931 return (IBT_INVALID_PARAM); 2932 } 2933 2934 if (sbindp->sbind_pkey != 0) { /* Are there service records? */ 2935 ibtl_cm_hca_port_t port; 2936 sa_service_record_t srv_rec; 2937 ibmf_saa_handle_t saa_handle; 2938 ibt_status_t status; 2939 2940 /* get the default SGID of the port */ 2941 if ((status = ibtl_cm_get_hca_port(sbindp->sbind_gid, 0, &port)) 2942 != IBT_SUCCESS) { 2943 IBTF_DPRINTF_L2(cmlog, "ibt_unbind_service: " 2944 "ibtl_cm_get_hca_port failed: %d", status); 2945 /* we're done, but there may be stale service records */ 2946 goto done; 2947 } 2948 2949 saa_handle = ibcm_get_saa_handle(hcap, port.hp_port); 2950 if (saa_handle == NULL) { 2951 IBTF_DPRINTF_L2(cmlog, "ibt_unbind_service: " 2952 "saa_handle is NULL"); 2953 /* we're done, but there may be stale service records */ 2954 goto done; 2955 } 2956 2957 /* Fill in fields of srv_rec */ 2958 bzero(&srv_rec, sizeof (srv_rec)); 2959 2960 srv_rec.ServiceP_Key = sbindp->sbind_pkey; 2961 srv_rec.ServiceKey_hi = sbindp->sbind_key[0]; 2962 srv_rec.ServiceKey_lo = sbindp->sbind_key[1]; 2963 srv_rec.ServiceGID = sbindp->sbind_gid; 2964 (void) strcpy((char *)srv_rec.ServiceName, sbindp->sbind_name); 2965 2966 while (sid <= end_sid) { 2967 2968 srv_rec.ServiceID = sid; 2969 IBCM_DUMP_SERVICE_REC(&srv_rec); 2970 2971 rval = ibcm_write_service_record(saa_handle, &srv_rec, 2972 IBMF_SAA_DELETE); 2973 2974 IBTF_DPRINTF_L4(cmlog, "ibt_unbind_service: " 2975 "ibcm_write_service_record rval = %d, SID %llx", 2976 rval, sid); 2977 if (rval != IBT_SUCCESS) { 2978 /* this is not considered a reason to fail */ 2979 IBTF_DPRINTF_L2(cmlog, "ibt_unbind_service: " 2980 "ibcm_write_service_record fails %d, " 2981 "sid %llx", rval, sid); 2982 } 2983 sid++; 2984 } 2985 } 2986 done: 2987 ibcm_dec_hca_svc_cnt(hcap); 2988 ibcm_dec_hca_acc_cnt(hcap); 2989 kmem_free(sbindp, sizeof (*sbindp)); 2990 2991 /* If this message isn't seen then ibt_unbind_service failed */ 2992 IBTF_DPRINTF_L2(cmlog, "ibt_unbind_service: done !!"); 2993 2994 return (IBT_SUCCESS); 2995 } 2996 2997 /* 2998 * Simply pull off each binding from the list and unbind it. 2999 * If any of the unbind calls fail, we fail. 3000 */ 3001 ibt_status_t 3002 ibt_unbind_all_services(ibt_srv_hdl_t srv_hdl) 3003 { 3004 ibt_status_t status; 3005 ibcm_svc_bind_t *sbp; 3006 3007 mutex_enter(&ibcm_svc_info_lock); 3008 sbp = NULL; 3009 3010 /* this compare keeps the loop from being infinite */ 3011 while (sbp != srv_hdl->svc_bind_list) { 3012 sbp = srv_hdl->svc_bind_list; 3013 mutex_exit(&ibcm_svc_info_lock); 3014 status = ibt_unbind_service(srv_hdl, sbp); 3015 if (status != IBT_SUCCESS) 3016 return (status); 3017 mutex_enter(&ibcm_svc_info_lock); 3018 if (srv_hdl->svc_bind_list == NULL) 3019 break; 3020 } 3021 mutex_exit(&ibcm_svc_info_lock); 3022 return (IBT_SUCCESS); 3023 } 3024 3025 /* 3026 * ibt_deregister_service() 3027 * Deregister a service with the IBCM 3028 * 3029 * INPUTS: 3030 * ibt_hdl The IBT client handle returned to the client 3031 * on an ibt_attach() call. 3032 * 3033 * srv_hdl The address of a service identification handle, used 3034 * to de-register a service. 3035 * RETURN VALUES: 3036 * IBT_SUCCESS on success (or respective failure on error) 3037 */ 3038 ibt_status_t 3039 ibt_deregister_service(ibt_clnt_hdl_t ibt_hdl, ibt_srv_hdl_t srv_hdl) 3040 { 3041 ibcm_svc_info_t *svcp; 3042 ibcm_svc_lookup_t svc; 3043 3044 IBTF_DPRINTF_L2(cmlog, "ibt_deregister_service(%p, %p)", 3045 ibt_hdl, srv_hdl); 3046 3047 mutex_enter(&ibcm_svc_info_lock); 3048 3049 if (srv_hdl->svc_bind_list != NULL) { 3050 IBTF_DPRINTF_L2(cmlog, "ibt_deregister_service:" 3051 " srv_hdl %p still has bindings", srv_hdl); 3052 mutex_exit(&ibcm_svc_info_lock); 3053 return (IBT_CM_SERVICE_BUSY); 3054 } 3055 svc.sid = srv_hdl->svc_id; 3056 svc.num_sids = 1; 3057 IBTF_DPRINTF_L3(cmlog, "ibt_deregister_service: SID 0x%llX, numsids %d", 3058 srv_hdl->svc_id, srv_hdl->svc_num_sids); 3059 3060 #ifdef __lock_lint 3061 ibcm_svc_compare(NULL, NULL); 3062 #endif 3063 svcp = avl_find(&ibcm_svc_avl_tree, &svc, NULL); 3064 if (svcp != srv_hdl) { 3065 mutex_exit(&ibcm_svc_info_lock); 3066 IBTF_DPRINTF_L2(cmlog, "ibt_deregister_service(): " 3067 "srv_hdl %p not found", srv_hdl); 3068 return (IBT_INVALID_PARAM); 3069 } 3070 avl_remove(&ibcm_svc_avl_tree, svcp); 3071 3072 /* wait for active REQ/SREQ handling to be done */ 3073 svcp->svc_to_delete = 1; 3074 while (svcp->svc_ref_cnt != 0) 3075 cv_wait(&ibcm_svc_info_cv, &ibcm_svc_info_lock); 3076 3077 mutex_exit(&ibcm_svc_info_lock); 3078 3079 if ((srv_hdl->svc_id & IB_SID_AGN_MASK) == IB_SID_AGN_LOCAL) 3080 ibcm_free_local_sids(srv_hdl->svc_id, srv_hdl->svc_num_sids); 3081 3082 ibtl_cm_change_service_cnt(ibt_hdl, -srv_hdl->svc_num_sids); 3083 kmem_free(srv_hdl, sizeof (*srv_hdl)); 3084 3085 /* If this message isn't seen then ibt_deregister_service failed */ 3086 IBTF_DPRINTF_L2(cmlog, "ibt_deregister_service: done !!"); 3087 3088 return (IBT_SUCCESS); 3089 } 3090 3091 ibcm_status_t 3092 ibcm_ar_init(void) 3093 { 3094 ib_svc_id_t sid = IBCM_DAPL_ATS_SID; 3095 ibcm_svc_info_t *tmp_svcp; 3096 3097 IBTF_DPRINTF_L3(cmlog, "ibcm_ar_init()"); 3098 3099 /* remove this special SID from the pool of available SIDs */ 3100 if ((tmp_svcp = ibcm_create_svc_entry(sid, 1)) == NULL) { 3101 IBTF_DPRINTF_L2(cmlog, "ibcm_ar_init: " 3102 "DAPL ATS SID 0x%llx already registered", (longlong_t)sid); 3103 return (IBCM_FAILURE); 3104 } 3105 mutex_enter(&ibcm_svc_info_lock); 3106 ibcm_ar_svcinfop = tmp_svcp; 3107 ibcm_ar_list = NULL; /* no address records registered yet */ 3108 mutex_exit(&ibcm_svc_info_lock); 3109 return (IBCM_SUCCESS); 3110 } 3111 3112 ibcm_status_t 3113 ibcm_ar_fini(void) 3114 { 3115 ibcm_ar_t *ar_list; 3116 ibcm_svc_info_t *tmp_svcp; 3117 3118 mutex_enter(&ibcm_svc_info_lock); 3119 ar_list = ibcm_ar_list; 3120 3121 if (ar_list == NULL && 3122 avl_numnodes(&ibcm_svc_avl_tree) == 1 && 3123 avl_first(&ibcm_svc_avl_tree) == ibcm_ar_svcinfop) { 3124 avl_remove(&ibcm_svc_avl_tree, ibcm_ar_svcinfop); 3125 tmp_svcp = ibcm_ar_svcinfop; 3126 mutex_exit(&ibcm_svc_info_lock); 3127 kmem_free(tmp_svcp, sizeof (*ibcm_ar_svcinfop)); 3128 return (IBCM_SUCCESS); 3129 } 3130 mutex_exit(&ibcm_svc_info_lock); 3131 return (IBCM_FAILURE); 3132 } 3133 3134 3135 /* 3136 * Return to the caller: 3137 * IBT_SUCCESS Found a perfect match. 3138 * *arpp is set to the record. 3139 * IBT_INCONSISTENT_AR Found a record that's inconsistent. 3140 * IBT_AR_NOT_REGISTERED Found no record with same GID/pkey and 3141 * found no record with same data. 3142 */ 3143 static ibt_status_t 3144 ibcm_search_ar(ibt_ar_t *arp, ibcm_ar_t **arpp) 3145 { 3146 ibcm_ar_t *tmp; 3147 int i; 3148 3149 ASSERT(MUTEX_HELD(&ibcm_svc_info_lock)); 3150 tmp = ibcm_ar_list; 3151 while (tmp != NULL) { 3152 if (tmp->ar.ar_gid.gid_prefix == arp->ar_gid.gid_prefix && 3153 tmp->ar.ar_gid.gid_guid == arp->ar_gid.gid_guid && 3154 tmp->ar.ar_pkey == arp->ar_pkey) { 3155 for (i = 0; i < IBCM_DAPL_ATS_NBYTES; i++) 3156 if (tmp->ar.ar_data[i] != arp->ar_data[i]) 3157 return (IBT_INCONSISTENT_AR); 3158 *arpp = tmp; 3159 return (IBT_SUCCESS); 3160 } else { 3161 /* if all the data bytes match, we have inconsistency */ 3162 for (i = 0; i < IBCM_DAPL_ATS_NBYTES; i++) 3163 if (tmp->ar.ar_data[i] != arp->ar_data[i]) 3164 break; 3165 if (i == IBCM_DAPL_ATS_NBYTES) 3166 return (IBT_INCONSISTENT_AR); 3167 /* try next address record */ 3168 } 3169 tmp = tmp->ar_link; 3170 } 3171 return (IBT_AR_NOT_REGISTERED); 3172 } 3173 3174 ibt_status_t 3175 ibt_register_ar(ibt_clnt_hdl_t ibt_hdl, ibt_ar_t *arp) 3176 { 3177 ibcm_ar_t *found; 3178 ibcm_ar_t *tmp; 3179 ibt_status_t status; 3180 ibt_status_t s1, s2; 3181 char *s; 3182 ibcm_ar_ref_t *hdlp; 3183 ibcm_ar_t *new; 3184 ibcm_ar_t **linkp; 3185 ibtl_cm_hca_port_t cm_port; 3186 uint16_t pkey_ix; 3187 ibcm_hca_info_t *hcap; 3188 ibmf_saa_handle_t saa_handle; 3189 sa_service_record_t *srv_recp; 3190 uint64_t gid_ored; 3191 3192 IBTF_DPRINTF_L2(cmlog, "ibt_register_ar: PKey 0x%X GID %llX:%llX", 3193 arp->ar_pkey, (longlong_t)arp->ar_gid.gid_prefix, 3194 (longlong_t)arp->ar_gid.gid_guid); 3195 3196 /* 3197 * If P_Key is 0, but GID is not, this query is invalid. 3198 * If GID is 0, but P_Key is not, this query is invalid. 3199 */ 3200 gid_ored = arp->ar_gid.gid_guid | arp->ar_gid.gid_prefix; 3201 if ((arp->ar_pkey == 0 && gid_ored != 0ULL) || 3202 (arp->ar_pkey != 0 && gid_ored == 0ULL)) { 3203 IBTF_DPRINTF_L2(cmlog, "ibt_register_ar: " 3204 "GID/P_Key is not valid"); 3205 return (IBT_INVALID_PARAM); 3206 } 3207 3208 /* assume success, so these might be needed */ 3209 hdlp = kmem_alloc(sizeof (*hdlp), KM_SLEEP); 3210 new = kmem_zalloc(sizeof (*new), KM_SLEEP); 3211 3212 mutex_enter(&ibcm_svc_info_lock); 3213 /* search for existing GID/pkey (there can be at most 1) */ 3214 status = ibcm_search_ar(arp, &found); 3215 if (status == IBT_INCONSISTENT_AR) { 3216 mutex_exit(&ibcm_svc_info_lock); 3217 kmem_free(new, sizeof (*new)); 3218 kmem_free(hdlp, sizeof (*hdlp)); 3219 IBTF_DPRINTF_L2(cmlog, "ibt_register_ar: " 3220 "address record is inconsistent with a known one"); 3221 return (IBT_INCONSISTENT_AR); 3222 } else if (status == IBT_SUCCESS) { 3223 if (found->ar_flags == IBCM_AR_INITING) { 3224 found->ar_waiters++; 3225 cv_wait(&found->ar_cv, &ibcm_svc_info_lock); 3226 found->ar_waiters--; 3227 } 3228 if (found->ar_flags == IBCM_AR_FAILED) { 3229 if (found->ar_waiters == 0) { 3230 cv_destroy(&found->ar_cv); 3231 kmem_free(found, sizeof (*found)); 3232 } 3233 mutex_exit(&ibcm_svc_info_lock); 3234 kmem_free(new, sizeof (*new)); 3235 kmem_free(hdlp, sizeof (*hdlp)); 3236 return (ibt_get_module_failure(IBT_FAILURE_IBCM, 0)); 3237 } 3238 hdlp->ar_ibt_hdl = ibt_hdl; 3239 hdlp->ar_ref_link = found->ar_ibt_hdl_list; 3240 found->ar_ibt_hdl_list = hdlp; 3241 mutex_exit(&ibcm_svc_info_lock); 3242 kmem_free(new, sizeof (*new)); 3243 ibtl_cm_change_service_cnt(ibt_hdl, 1); 3244 return (IBT_SUCCESS); 3245 } else { 3246 ASSERT(status == IBT_AR_NOT_REGISTERED); 3247 } 3248 hdlp->ar_ref_link = NULL; 3249 hdlp->ar_ibt_hdl = ibt_hdl; 3250 new->ar_ibt_hdl_list = hdlp; 3251 new->ar = *arp; 3252 new->ar_flags = IBCM_AR_INITING; 3253 new->ar_waiters = 0; 3254 cv_init(&new->ar_cv, NULL, CV_DEFAULT, NULL); 3255 new->ar_link = ibcm_ar_list; 3256 ibcm_ar_list = new; 3257 3258 /* verify GID/pkey is valid for a local port, etc. */ 3259 hcap = NULL; 3260 if ((s1 = ibtl_cm_get_hca_port(arp->ar_gid, 0, &cm_port)) 3261 != IBT_SUCCESS || 3262 (s2 = ibt_pkey2index_byguid(cm_port.hp_hca_guid, cm_port.hp_port, 3263 arp->ar_pkey, &pkey_ix)) != IBT_SUCCESS || 3264 (hcap = ibcm_find_hca_entry(cm_port.hp_hca_guid)) == NULL) { 3265 cv_destroy(&new->ar_cv); 3266 ibcm_ar_list = new->ar_link; 3267 mutex_exit(&ibcm_svc_info_lock); 3268 kmem_free(new, sizeof (*new)); 3269 kmem_free(hdlp, sizeof (*hdlp)); 3270 status = IBT_INVALID_PARAM; 3271 if (s1 == IBT_HCA_PORT_NOT_ACTIVE) { 3272 s = "PORT DOWN"; 3273 status = IBT_HCA_PORT_NOT_ACTIVE; 3274 } else if (s1 != IBT_SUCCESS) 3275 s = "GID not found"; 3276 else if (s2 != IBT_SUCCESS) 3277 s = "PKEY not found"; 3278 else 3279 s = "CM could not find its HCA entry"; 3280 IBTF_DPRINTF_L2(cmlog, "ibt_register_ar: %s, status = %d", 3281 s, status); 3282 return (status); 3283 } 3284 mutex_exit(&ibcm_svc_info_lock); 3285 saa_handle = ibcm_get_saa_handle(hcap, cm_port.hp_port); 3286 3287 /* create service record */ 3288 srv_recp = kmem_zalloc(sizeof (*srv_recp), KM_SLEEP); 3289 srv_recp->ServiceLease = 0xFFFFFFFF; /* infinite */ 3290 srv_recp->ServiceP_Key = arp->ar_pkey; 3291 srv_recp->ServiceKey_hi = 0xDA410000ULL; /* DAPL */ 3292 srv_recp->ServiceKey_lo = 0xA7500000ULL; /* ATS */ 3293 (void) strcpy((char *)srv_recp->ServiceName, IBCM_DAPL_ATS_NAME); 3294 srv_recp->ServiceGID = arp->ar_gid; 3295 bcopy(arp->ar_data, srv_recp->ServiceData, IBCM_DAPL_ATS_NBYTES); 3296 srv_recp->ServiceID = IBCM_DAPL_ATS_SID; 3297 3298 /* insert service record into the SA */ 3299 3300 IBCM_DUMP_SERVICE_REC(srv_recp); 3301 3302 if (saa_handle != NULL) 3303 status = ibcm_write_service_record(saa_handle, srv_recp, 3304 IBMF_SAA_UPDATE); 3305 else 3306 status = IBT_HCA_PORT_NOT_ACTIVE; 3307 3308 if (status != IBT_SUCCESS) { 3309 IBTF_DPRINTF_L2(cmlog, "ibt_register_ar: sa access fails %d, " 3310 "sid %llX", status, (longlong_t)srv_recp->ServiceID); 3311 IBTF_DPRINTF_L2(cmlog, "ibt_register_ar: FAILED for gid " 3312 "%llX:%llX pkey 0x%X", (longlong_t)arp->ar_gid.gid_prefix, 3313 (longlong_t)arp->ar_gid.gid_guid, arp->ar_pkey); 3314 3315 kmem_free(srv_recp, sizeof (*srv_recp)); 3316 kmem_free(hdlp, sizeof (*hdlp)); 3317 3318 mutex_enter(&ibcm_svc_info_lock); 3319 linkp = &ibcm_ar_list; 3320 tmp = *linkp; 3321 while (tmp != NULL) { 3322 if (tmp == new) { 3323 *linkp = new->ar_link; 3324 break; 3325 } 3326 linkp = &tmp->ar_link; 3327 tmp = *linkp; 3328 } 3329 if (new->ar_waiters > 0) { 3330 new->ar_flags = IBCM_AR_FAILED; 3331 cv_broadcast(&new->ar_cv); 3332 mutex_exit(&ibcm_svc_info_lock); 3333 } else { 3334 cv_destroy(&new->ar_cv); 3335 mutex_exit(&ibcm_svc_info_lock); 3336 kmem_free(new, sizeof (*new)); 3337 } 3338 ibcm_dec_hca_acc_cnt(hcap); 3339 IBTF_DPRINTF_L2(cmlog, "ibt_register_ar: " 3340 "IBMF_SAA failed to write address record"); 3341 } else { /* SUCCESS */ 3342 uint8_t *b; 3343 3344 IBTF_DPRINTF_L2(cmlog, "ibt_register_ar: SUCCESS for gid " 3345 "%llx:%llx pkey %x", (longlong_t)arp->ar_gid.gid_prefix, 3346 (longlong_t)arp->ar_gid.gid_guid, arp->ar_pkey); 3347 b = arp->ar_data; 3348 3349 IBTF_DPRINTF_L2(cmlog, "ibt_register_ar:" 3350 " data %d:%d:%d:%d:%d:%d:%d:%d:%d:%d:%d:%d:%d:%d:%d:%d", 3351 b[0], b[1], b[2], b[3], b[4], b[5], b[6], b[7], b[8], b[9], 3352 b[10], b[11], b[12], b[13], b[14], b[15]); 3353 mutex_enter(&ibcm_svc_info_lock); 3354 new->ar_srv_recp = srv_recp; 3355 new->ar_saa_handle = saa_handle; 3356 new->ar_port = cm_port.hp_port; 3357 new->ar_hcap = hcap; 3358 new->ar_flags = IBCM_AR_SUCCESS; 3359 if (new->ar_waiters > 0) 3360 cv_broadcast(&new->ar_cv); 3361 mutex_exit(&ibcm_svc_info_lock); 3362 ibtl_cm_change_service_cnt(ibt_hdl, 1); 3363 /* do not call ibcm_dec_hca_acc_cnt(hcap) until deregister */ 3364 } 3365 return (status); 3366 } 3367 3368 ibt_status_t 3369 ibt_deregister_ar(ibt_clnt_hdl_t ibt_hdl, ibt_ar_t *arp) 3370 { 3371 ibcm_ar_t *found; 3372 ibcm_ar_t *tmp; 3373 ibcm_ar_t **linkp; 3374 ibcm_ar_ref_t *hdlp; 3375 ibcm_ar_ref_t **hdlpp; 3376 ibt_status_t status; 3377 ibmf_saa_handle_t saa_handle; 3378 sa_service_record_t *srv_recp; 3379 uint64_t gid_ored; 3380 3381 IBTF_DPRINTF_L2(cmlog, "ibt_deregister_ar: pkey %x", arp->ar_pkey); 3382 IBTF_DPRINTF_L2(cmlog, "ibt_deregister_ar: gid %llx:%llx", 3383 (longlong_t)arp->ar_gid.gid_prefix, 3384 (longlong_t)arp->ar_gid.gid_guid); 3385 3386 /* 3387 * If P_Key is 0, but GID is not, this query is invalid. 3388 * If GID is 0, but P_Key is not, this query is invalid. 3389 */ 3390 gid_ored = arp->ar_gid.gid_guid | arp->ar_gid.gid_prefix; 3391 if ((arp->ar_pkey == 0 && gid_ored != 0ULL) || 3392 (arp->ar_pkey != 0 && gid_ored == 0ULL)) { 3393 IBTF_DPRINTF_L2(cmlog, "ibt_deregister_ar: " 3394 "GID/P_Key is not valid"); 3395 return (IBT_INVALID_PARAM); 3396 } 3397 3398 mutex_enter(&ibcm_svc_info_lock); 3399 /* search for existing GID/pkey (there can be at most 1) */ 3400 status = ibcm_search_ar(arp, &found); 3401 if (status == IBT_INCONSISTENT_AR || status == IBT_AR_NOT_REGISTERED) { 3402 mutex_exit(&ibcm_svc_info_lock); 3403 IBTF_DPRINTF_L2(cmlog, "ibt_deregister_ar: " 3404 "address record not found"); 3405 return (IBT_AR_NOT_REGISTERED); 3406 } 3407 ASSERT(status == IBT_SUCCESS); 3408 3409 hdlpp = &found->ar_ibt_hdl_list; 3410 hdlp = *hdlpp; 3411 while (hdlp != NULL) { 3412 if (hdlp->ar_ibt_hdl == ibt_hdl) 3413 break; 3414 hdlpp = &hdlp->ar_ref_link; 3415 hdlp = *hdlpp; 3416 } 3417 if (hdlp == NULL) { /* could not find ibt_hdl on list */ 3418 mutex_exit(&ibcm_svc_info_lock); 3419 IBTF_DPRINTF_L2(cmlog, "ibt_deregister_ar: " 3420 "address record found, but not for this client"); 3421 return (IBT_AR_NOT_REGISTERED); 3422 } 3423 *hdlpp = hdlp->ar_ref_link; /* remove ref for this client */ 3424 if (found->ar_ibt_hdl_list == NULL && found->ar_waiters == 0) { 3425 /* last entry was removed */ 3426 found->ar_flags = IBCM_AR_INITING; /* hold off register_ar */ 3427 saa_handle = found->ar_saa_handle; 3428 srv_recp = found->ar_srv_recp; 3429 3430 /* wait if this service record is being rewritten */ 3431 while (found->ar_rewrite_state == IBCM_REWRITE_BUSY) 3432 cv_wait(&ibcm_svc_info_cv, &ibcm_svc_info_lock); 3433 mutex_exit(&ibcm_svc_info_lock); 3434 3435 /* remove service record */ 3436 status = ibcm_write_service_record(saa_handle, srv_recp, 3437 IBMF_SAA_DELETE); 3438 if (status != IBT_SUCCESS) 3439 IBTF_DPRINTF_L2(cmlog, "ibt_deregister_ar: " 3440 "IBMF_SAA failed to delete address record"); 3441 mutex_enter(&ibcm_svc_info_lock); 3442 if (found->ar_waiters == 0) { /* still no waiters */ 3443 linkp = &ibcm_ar_list; 3444 tmp = *linkp; 3445 while (tmp != found) { 3446 linkp = &tmp->ar_link; 3447 tmp = *linkp; 3448 } 3449 *linkp = tmp->ar_link; 3450 ibcm_dec_hca_acc_cnt(found->ar_hcap); 3451 kmem_free(srv_recp, sizeof (*srv_recp)); 3452 cv_destroy(&found->ar_cv); 3453 kmem_free(found, sizeof (*found)); 3454 } else { 3455 /* add service record back in for the waiters */ 3456 mutex_exit(&ibcm_svc_info_lock); 3457 status = ibcm_write_service_record(saa_handle, srv_recp, 3458 IBMF_SAA_UPDATE); 3459 mutex_enter(&ibcm_svc_info_lock); 3460 if (status == IBT_SUCCESS) 3461 found->ar_flags = IBCM_AR_SUCCESS; 3462 else { 3463 found->ar_flags = IBCM_AR_FAILED; 3464 IBTF_DPRINTF_L2(cmlog, "ibt_deregister_ar: " 3465 "IBMF_SAA failed to write address record"); 3466 } 3467 cv_broadcast(&found->ar_cv); 3468 } 3469 } 3470 mutex_exit(&ibcm_svc_info_lock); 3471 kmem_free(hdlp, sizeof (*hdlp)); 3472 ibtl_cm_change_service_cnt(ibt_hdl, -1); 3473 return (status); 3474 } 3475 3476 ibt_status_t 3477 ibt_query_ar(ib_gid_t *sgid, ibt_ar_t *queryp, ibt_ar_t *resultp) 3478 { 3479 sa_service_record_t svcrec_req; 3480 sa_service_record_t *svcrec_resp; 3481 void *results_p; 3482 uint64_t component_mask = 0; 3483 uint64_t gid_ored; 3484 size_t length; 3485 int num_rec; 3486 int i; 3487 ibmf_saa_access_args_t access_args; 3488 ibt_status_t retval; 3489 ibtl_cm_hca_port_t cm_port; 3490 ibcm_hca_info_t *hcap; 3491 ibmf_saa_handle_t saa_handle; 3492 3493 IBTF_DPRINTF_L3(cmlog, "ibt_query_ar(%p, %p)", queryp, resultp); 3494 IBTF_DPRINTF_L3(cmlog, "ibt_query_ar: sgid %llx:%llx", 3495 (longlong_t)sgid->gid_prefix, (longlong_t)sgid->gid_guid); 3496 IBTF_DPRINTF_L3(cmlog, "ibt_query_ar: query_pkey %x", queryp->ar_pkey); 3497 IBTF_DPRINTF_L3(cmlog, "ibt_query_ar: query_gid %llx:%llx", 3498 (longlong_t)queryp->ar_gid.gid_prefix, 3499 (longlong_t)queryp->ar_gid.gid_guid); 3500 3501 /* 3502 * If P_Key is 0, but GID is not, this query is invalid. 3503 * If GID is 0, but P_Key is not, this query is invalid. 3504 */ 3505 gid_ored = queryp->ar_gid.gid_guid | queryp->ar_gid.gid_prefix; 3506 if ((queryp->ar_pkey == 0 && gid_ored != 0ULL) || 3507 (queryp->ar_pkey != 0 && gid_ored == 0ULL)) { 3508 IBTF_DPRINTF_L2(cmlog, "ibt_query_ar: GID/P_Key is not valid"); 3509 return (IBT_INVALID_PARAM); 3510 } 3511 3512 hcap = NULL; 3513 if (ibtl_cm_get_hca_port(*sgid, 0, &cm_port) != IBT_SUCCESS || 3514 (hcap = ibcm_find_hca_entry(cm_port.hp_hca_guid)) == NULL || 3515 (saa_handle = ibcm_get_saa_handle(hcap, cm_port.hp_port)) == NULL) { 3516 if (hcap != NULL) 3517 ibcm_dec_hca_acc_cnt(hcap); 3518 IBTF_DPRINTF_L2(cmlog, "ibt_query_ar: sgid is not valid"); 3519 return (IBT_INVALID_PARAM); 3520 } 3521 3522 bzero(&svcrec_req, sizeof (svcrec_req)); 3523 3524 /* Is GID/P_Key Specified. */ 3525 if (queryp->ar_pkey != 0) { /* GID is non-zero from check above */ 3526 svcrec_req.ServiceP_Key = queryp->ar_pkey; 3527 component_mask |= SA_SR_COMPMASK_PKEY; 3528 IBTF_DPRINTF_L3(cmlog, "ibt_query_ar: P_Key %X", 3529 queryp->ar_pkey); 3530 svcrec_req.ServiceGID = queryp->ar_gid; 3531 component_mask |= SA_SR_COMPMASK_GID; 3532 IBTF_DPRINTF_L3(cmlog, "ibt_query_ar: GID %llX:%llX", 3533 (longlong_t)queryp->ar_gid.gid_prefix, 3534 (longlong_t)queryp->ar_gid.gid_guid); 3535 } 3536 3537 /* Is ServiceData Specified. */ 3538 for (i = 0; i < IBCM_DAPL_ATS_NBYTES; i++) { 3539 if (queryp->ar_data[i] != 0) { 3540 bcopy(queryp->ar_data, svcrec_req.ServiceData, 3541 IBCM_DAPL_ATS_NBYTES); 3542 component_mask |= 0xFFFF << 7; /* all 16 Data8 */ 3543 /* components */ 3544 break; 3545 } 3546 } 3547 3548 /* Service Name */ 3549 (void) strcpy((char *)svcrec_req.ServiceName, IBCM_DAPL_ATS_NAME); 3550 component_mask |= SA_SR_COMPMASK_NAME; 3551 3552 svcrec_req.ServiceID = IBCM_DAPL_ATS_SID; 3553 component_mask |= SA_SR_COMPMASK_ID; 3554 3555 IBTF_DPRINTF_L3(cmlog, "ibt_query_ar: " 3556 "Perform SA Access: Mask: 0x%X", component_mask); 3557 3558 /* 3559 * Call in SA Access retrieve routine to get Service Records. 3560 * 3561 * SA Access framework allocated memory for the "results_p". 3562 * Make sure to deallocate once we are done with the results_p. 3563 * The size of the buffer allocated will be as returned in 3564 * "length" field. 3565 */ 3566 access_args.sq_attr_id = SA_SERVICERECORD_ATTRID; 3567 access_args.sq_access_type = IBMF_SAA_RETRIEVE; 3568 access_args.sq_component_mask = component_mask; 3569 access_args.sq_template = &svcrec_req; 3570 access_args.sq_template_length = sizeof (sa_service_record_t); 3571 access_args.sq_callback = NULL; 3572 access_args.sq_callback_arg = NULL; 3573 3574 retval = ibcm_contact_sa_access(saa_handle, &access_args, &length, 3575 &results_p); 3576 3577 ibcm_dec_hca_acc_cnt(hcap); 3578 if (retval != IBT_SUCCESS) { 3579 IBTF_DPRINTF_L2(cmlog, "ibt_query_ar: SA Access Failed"); 3580 return (retval); 3581 } 3582 3583 num_rec = length / sizeof (sa_service_record_t); 3584 3585 IBTF_DPRINTF_L3(cmlog, "ibt_query_ar: " 3586 "Found %d Service Records.", num_rec); 3587 3588 /* Validate the returned number of records. */ 3589 if ((results_p != NULL) && (num_rec > 0)) { 3590 uint8_t *b; 3591 3592 /* Just return info from the first service record. */ 3593 svcrec_resp = (sa_service_record_t *)results_p; 3594 3595 /* The Service GID and Service ID */ 3596 resultp->ar_gid = svcrec_resp->ServiceGID; 3597 resultp->ar_pkey = svcrec_resp->ServiceP_Key; 3598 bcopy(svcrec_resp->ServiceData, 3599 resultp->ar_data, IBCM_DAPL_ATS_NBYTES); 3600 3601 IBTF_DPRINTF_L2(cmlog, "ibt_query_ar: " 3602 "Found: pkey %x dgid %llX:%llX", resultp->ar_pkey, 3603 (longlong_t)resultp->ar_gid.gid_prefix, 3604 (longlong_t)resultp->ar_gid.gid_guid); 3605 b = resultp->ar_data; 3606 IBTF_DPRINTF_L2(cmlog, "ibt_query_ar:" 3607 " data %d:%d:%d:%d:%d:%d:%d:%d:%d:%d:%d:%d:%d:%d:%d:%d", 3608 b[0], b[1], b[2], b[3], b[4], b[5], b[6], b[7], b[8], b[9], 3609 b[10], b[11], b[12], b[13], b[14], b[15]); 3610 3611 /* Deallocate the memory for results_p. */ 3612 kmem_free(results_p, length); 3613 if (num_rec > 1) 3614 retval = IBT_MULTIPLE_AR; 3615 else 3616 retval = IBT_SUCCESS; 3617 } else { 3618 IBTF_DPRINTF_L2(cmlog, "ibt_query_ar: " 3619 "ibmf_sa_access found 0 matching records"); 3620 retval = IBT_AR_NOT_REGISTERED; 3621 } 3622 return (retval); 3623 } 3624 3625 /* mark all ATS service records associated with the port */ 3626 static void 3627 ibcm_mark_ar(ib_guid_t hca_guid, uint8_t port) 3628 { 3629 ibcm_ar_t *tmp; 3630 3631 ASSERT(MUTEX_HELD(&ibcm_svc_info_lock)); 3632 for (tmp = ibcm_ar_list; tmp != NULL; tmp = tmp->ar_link) { 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 uint8_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'ing just IP_HDR part */ 6240 bzero(priv_data_p, IBT_IP_HDR_PRIV_DATA_SZ); 6241 ip_data = (ibcm_ip_pvtdata_t *)priv_data_p; 6242 ip_data->ip_srcport = b2h16(ip_cm_info->src_port); /* Source Port */ 6243 6244 /* IPV = 0x4, if IP-Addr are IPv4 format, else 0x6 for IPv6 */ 6245 if (ip_cm_info->src_addr.family == AF_INET) { 6246 ip_data->ip_ipv = IBT_CM_IP_IPV_V4; 6247 ip_data->ip_srcv4 = ntohl(ip_cm_info->src_addr.un.ip4addr); 6248 ip_data->ip_dstv4 = ntohl(ip_cm_info->dst_addr.un.ip4addr); 6249 } else if (ip_cm_info->src_addr.family == AF_INET6) { 6250 ip_data->ip_ipv = IBT_CM_IP_IPV_V6; 6251 bcopy(&ip_cm_info->src_addr.un.ip6addr, 6252 &ip_data->ip_srcv6, sizeof (in6_addr_t)); 6253 bcopy(&ip_cm_info->dst_addr.un.ip6addr, 6254 &ip_data->ip_dstv6, sizeof (in6_addr_t)); 6255 } else { 6256 IBTF_DPRINTF_L2(cmlog, "ibt_format_ip_private_data: ERROR " 6257 "IP Addr needs to be either AF_INET or AF_INET6 family."); 6258 return (IBT_INVALID_PARAM); 6259 } 6260 6261 ip_data->ip_MajV = IBT_CM_IP_MAJ_VER; 6262 ip_data->ip_MinV = IBT_CM_IP_MIN_VER; 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 bzero(ip_cm_infop, sizeof (ibt_ip_cm_info_t)); 6284 6285 ip_data = (ibcm_ip_pvtdata_t *)priv_data; 6286 ip_cm_infop->src_port = b2h16(ip_data->ip_srcport); /* Source Port */ 6287 6288 /* IPV = 0x4, if IP Address are IPv4 format, else 0x6 for IPv6 */ 6289 if (ip_data->ip_ipv == IBT_CM_IP_IPV_V4) { 6290 /* Copy IPv4 Addr */ 6291 ip_cm_infop->src_addr.family = AF_INET; 6292 ip_cm_infop->src_addr.un.ip4addr = ntohl(ip_data->ip_srcv4); 6293 ip_cm_infop->dst_addr.family = AF_INET; 6294 ip_cm_infop->dst_addr.un.ip4addr = ntohl(ip_data->ip_dstv4); 6295 } else if (ip_data->ip_ipv == IBT_CM_IP_IPV_V6) { 6296 /* Copy IPv6 Addr */ 6297 ip_cm_infop->src_addr.family = AF_INET6; 6298 bcopy(&ip_data->ip_srcv6, &ip_cm_infop->src_addr.un.ip6addr, 6299 sizeof (in6_addr_t)); 6300 ip_cm_infop->dst_addr.family = AF_INET6; 6301 bcopy(&ip_data->ip_dstv6, &ip_cm_infop->dst_addr.un.ip6addr, 6302 sizeof (in6_addr_t)); 6303 } else { 6304 IBTF_DPRINTF_L2(cmlog, "ibt_get_ip_data: ERROR: IP Addr needs" 6305 " to be either AF_INET or AF_INET6 family."); 6306 return (IBT_INVALID_PARAM); 6307 } 6308 6309 return (IBT_SUCCESS); 6310 } 6311 6312 6313 /* Routines for warlock */ 6314 6315 /* ARGSUSED */ 6316 static void 6317 ibcm_dummy_mcg_handler(void *arg, ibt_status_t retval, ibt_mcg_info_t *minfo) 6318 { 6319 ibcm_join_mcg_tqarg_t dummy_mcg; 6320 6321 dummy_mcg.func = ibcm_dummy_mcg_handler; 6322 6323 IBTF_DPRINTF_L5(cmlog, "ibcm_dummy_mcg_handler: " 6324 "dummy_mcg.func %p", dummy_mcg.func); 6325 } 6326 6327 6328 /* ARGSUSED */ 6329 static void 6330 ibcm_dummy_recycle_rc_handler(ibt_status_t retval, void *arg) 6331 { 6332 ibcm_taskq_recycle_arg_t dummy_rc_recycle; 6333 6334 dummy_rc_recycle.func = ibcm_dummy_recycle_rc_handler; 6335 6336 IBTF_DPRINTF_L5(cmlog, "ibcm_dummy_recycle_rc_handler: " 6337 "dummy_rc_recycle.func %p", dummy_rc_recycle.func); 6338 } 6339 6340 6341 /* ARGSUSED */ 6342 static ibt_cm_status_t 6343 ibcm_dummy_ud_handler(void *priv, ibt_cm_ud_event_t *event, 6344 ibt_cm_ud_return_args_t *ret_args, 6345 void *priv_data, ibt_priv_data_len_t len) 6346 { 6347 /* 6348 * Let warlock see that ibcm_local_handler_s::actual_cm_handler 6349 * points to this routine. 6350 */ 6351 ibcm_local_handler_t p; 6352 ibcm_ud_state_data_t dummy_ud; 6353 6354 p.actual_cm_handler = ibcm_dummy_ud_handler; 6355 dummy_ud.ud_cm_handler = ibcm_dummy_ud_handler; 6356 6357 IBTF_DPRINTF_L5(cmlog, "ibcm_dummy_ud_handler: p.actual_cm_handler %p" 6358 "dummy_ud.ud_cm_handler %p", p.actual_cm_handler, 6359 dummy_ud.ud_cm_handler); 6360 /* 6361 * Call all routines that the client's callback routine could call. 6362 */ 6363 6364 return (IBT_CM_ACCEPT); 6365 } 6366 6367 /* ARGSUSED */ 6368 static ibt_cm_status_t 6369 ibcm_dummy_rc_handler(void *priv, ibt_cm_event_t *event, 6370 ibt_cm_return_args_t *ret_args, void *priv_data, ibt_priv_data_len_t len) 6371 { 6372 ibcm_state_data_t dummy_rc; 6373 6374 dummy_rc.cm_handler = ibcm_dummy_rc_handler; 6375 6376 IBTF_DPRINTF_L5(cmlog, "ibcm_dummy_rc_handler: " 6377 "dummy_ud.ud_cm_handler %p", dummy_rc.cm_handler); 6378 /* 6379 * Call all routines that the client's callback routine could call. 6380 */ 6381 6382 return (IBT_CM_ACCEPT); 6383 } 6384