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, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright 2005 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #pragma ident "%Z%%M% %I% %E% SMI" 28 29 #include <sys/ib/mgt/ibcm/ibcm_impl.h> 30 #include <sys/ib/ibtl/ibti.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 /* Address Record management definitions */ 60 #define IBCM_DAPL_ATS_NAME "DAPL Address Translation Service" 61 #define IBCM_DAPL_ATS_SID 0x10000CE100415453ULL 62 #define IBCM_DAPL_ATS_NBYTES 16 63 ibcm_svc_info_t *ibcm_ar_svcinfop; 64 ibcm_ar_t *ibcm_ar_list; 65 66 #ifdef DEBUG 67 static void ibcm_print_reply_addr(ibt_channel_hdl_t channel, 68 ibcm_mad_addr_t *cm_reply_addr); 69 #endif 70 71 _NOTE(DATA_READABLE_WITHOUT_LOCK(ibcm_port_info_s::{port_ibmf_hdl})) 72 73 /* access is controlled between ibcm_sm.c and ibcm_ti.c by CVs */ 74 _NOTE(SCHEME_PROTECTS_DATA("Serialized access by CV", {ibt_rc_returns_t 75 ibt_ud_returns_t ibt_ap_returns_t ibt_ar_t})) 76 77 /* 78 * Typically, clients initialize these args in one api call, and use in 79 * another api 80 */ 81 _NOTE(SCHEME_PROTECTS_DATA("Expected usage of ibtl api by client", 82 {ibt_path_info_s ibt_cep_path_s ibt_adds_vect_s ibt_mcg_info_s ib_gid_s 83 ibt_ud_dest_attr_s ibt_ud_dest_s ibt_srv_data_s ibt_redirect_info_s})) 84 85 /* 86 * ibt_open_rc_channel() 87 * ibt_open_rc_channel opens a communication channel on the specified 88 * channel to the specified service. For connection service type qp's 89 * the CM initiates the CEP to establish the connection and transitions 90 * the QP/EEC to the "Ready to send" State modifying the QP/EEC's 91 * attributes as necessary. 92 * The implementation of this function assumes that alt path is different 93 * from primary path. It is assumed that the Path functions ensure that. 94 * 95 * RETURN VALUES: 96 * IBT_SUCCESS on success (or respective failure on error) 97 */ 98 ibt_status_t 99 ibt_open_rc_channel(ibt_channel_hdl_t channel, ibt_chan_open_flags_t flags, 100 ibt_execution_mode_t mode, ibt_chan_open_args_t *chan_args, 101 ibt_rc_returns_t *ret_args) 102 { 103 /* all fields that are related to REQ MAD formation */ 104 105 ib_pkey_t prim_pkey; 106 ib_lid_t primary_slid, alternate_slid; 107 ib_qpn_t local_qpn = 0; 108 ib_guid_t hca_guid; 109 ib_qkey_t local_qkey = 0; 110 ib_eecn_t local_eecn = 0; 111 ib_eecn_t remote_eecn = 0; 112 boolean_t primary_grh; 113 boolean_t alternate_grh = B_FALSE; 114 ib_lid_t base_lid; 115 ib_com_id_t local_comid; 116 ibmf_msg_t *ibmf_msg; 117 ibcm_req_msg_t *req_msgp; 118 119 uint8_t rdma_in, rdma_out; 120 uint8_t cm_retries; 121 uint64_t local_cm_proc_time; /* In usec */ 122 uint8_t local_cm_resp_time; /* IB time */ 123 uint64_t remote_cm_resp_time; /* In usec */ 124 uint32_t starting_psn = 0; 125 126 /* CM path related fields */ 127 ibmf_handle_t ibmf_hdl; 128 ibcm_qp_list_t *cm_qp_entry; 129 ibcm_mad_addr_t cm_reply_addr; 130 131 uint8_t cm_pkt_lt; 132 133 /* Local args for ibtl/internal CM functions called within */ 134 ibt_status_t status; 135 ibcm_status_t lkup_status; 136 ibt_qp_query_attr_t qp_query_attr; 137 138 /* Other misc local args */ 139 ibt_priv_data_len_t len; 140 ibcm_hca_info_t *hcap; 141 ibcm_state_data_t *statep; 142 uint8_t port_no; 143 144 IBTF_DPRINTF_L3(cmlog, "ibt_open_rc_channel(chan %p, %X, %x, %p, %p)", 145 channel, flags, mode, chan_args, ret_args); 146 147 if (IBCM_INVALID_CHANNEL(channel)) { 148 IBTF_DPRINTF_L2(cmlog, "ibt_open_rc_channel: invalid channel"); 149 return (IBT_CHAN_HDL_INVALID); 150 } 151 152 /* cm handler should always be specified */ 153 if (chan_args->oc_cm_handler == NULL) { 154 IBTF_DPRINTF_L2(cmlog, "ibt_open_rc_channel: chan 0x%p" 155 "CM handler is not be specified", channel); 156 return (IBT_INVALID_PARAM); 157 } 158 159 if (mode == IBT_NONBLOCKING) { 160 if (ret_args != NULL) { 161 IBTF_DPRINTF_L2(cmlog, "ibt_open_rc_channel: chan 0x%p" 162 "ret_args should be NULL when called in " 163 "non-blocking mode", channel); 164 return (IBT_INVALID_PARAM); 165 } 166 } else if (mode == IBT_BLOCKING) { 167 if (ret_args == NULL) { 168 IBTF_DPRINTF_L2(cmlog, "ibt_open_rc_channel: chan 0x%p" 169 "ret_args should be Non-NULL when called in " 170 "blocking mode", channel); 171 return (IBT_INVALID_PARAM); 172 } 173 if (ret_args->rc_priv_data_len > IBT_REP_PRIV_DATA_SZ) { 174 IBTF_DPRINTF_L2(cmlog, "ibt_open_rc_channel: chan 0x%p" 175 "private data length is too large", channel); 176 return (IBT_INVALID_PARAM); 177 } 178 if ((ret_args->rc_priv_data_len > 0) && 179 (ret_args->rc_priv_data == NULL)) { 180 IBTF_DPRINTF_L2(cmlog, "ibt_open_rc_channel: chan 0x%p" 181 "rc_priv_data_len > 0, but rc_priv_data NULL", 182 channel); 183 return (IBT_INVALID_PARAM); 184 } 185 } else { /* any other mode is not valid for ibt_open_rc_channel */ 186 IBTF_DPRINTF_L2(cmlog, "ibt_open_rc_channel: chan 0x%p" 187 "invalid mode %x specified", channel, mode); 188 return (IBT_INVALID_PARAM); 189 } 190 191 /* 192 * XXX: no support yet for ibt_chan_open_flags_t - IBT_OCHAN_DUP 193 */ 194 if (flags & IBT_OCHAN_DUP) { 195 IBTF_DPRINTF_L2(cmlog, "ibt_open_rc_channel: chan 0x%p" 196 "Unsupported Flags specified: 0x%X", channel, flags); 197 return (IBT_INVALID_PARAM); 198 } 199 200 if ((flags & IBT_OCHAN_REDIRECTED) && 201 (flags & IBT_OCHAN_PORT_REDIRECTED)) { 202 IBTF_DPRINTF_L2(cmlog, "ibt_open_rc_channel: chan 0x%p" 203 "Illegal to specify IBT_OCHAN_REDIRECTED and " 204 "IBT_OCHAN_PORT_REDIRECTED flags together", channel); 205 return (IBT_INVALID_PARAM); 206 } 207 208 if (((flags & IBT_OCHAN_REDIRECTED) && 209 (chan_args->oc_cm_redirect_info == NULL)) || 210 ((flags & IBT_OCHAN_PORT_REDIRECTED) && 211 (chan_args->oc_cm_cep_path == NULL))) { 212 IBTF_DPRINTF_L2(cmlog, "ibt_open_rc_channel: chan 0x%p" 213 "Redirect flag specified, but respective arg is NULL", 214 channel); 215 return (IBT_INVALID_PARAM); 216 } 217 218 if ((flags & IBT_OCHAN_REDIRECTED) && 219 (chan_args->oc_cm_redirect_info->rdi_dlid == 0) && 220 (chan_args->oc_cm_redirect_info->rdi_gid.gid_guid == 0)) { 221 IBTF_DPRINTF_L2(cmlog, "ibt_open_rc_channel: chan 0x%p" 222 "Either rdi_dlid or rdi_gid must be specified for" 223 " IBT_OCHAN_REDIRECTED", channel); 224 return (IBT_INVALID_PARAM); 225 } 226 227 /* primary dlid and hca_port_num should never be zero */ 228 port_no = IBCM_PRIM_CEP_PATH(chan_args).cep_hca_port_num; 229 230 if ((IBCM_PRIM_ADDS_VECT(chan_args).av_dlid == 0) && (port_no == 0)) { 231 IBTF_DPRINTF_L2(cmlog, "ibt_open_rc_channel: chan 0x%p" 232 "Primary Path's information is not valid", channel); 233 return (IBT_INVALID_PARAM); 234 } 235 236 /* validate SID */ 237 if (chan_args->oc_path->pi_sid == 0) { 238 IBTF_DPRINTF_L2(cmlog, "ibt_open_rc_channel: chan 0x%p" 239 "ERROR: Service ID in path information is 0", channel); 240 return (IBT_INVALID_PARAM); 241 } 242 243 /* validate rnr_retry_cnt (enum has more than 3 bits) */ 244 if ((uint_t)chan_args->oc_path_rnr_retry_cnt > IBT_RNR_INFINITE_RETRY) { 245 IBTF_DPRINTF_L2(cmlog, "ibt_open_rc_channel: chan 0x%p" 246 "ERROR: oc_path_rnr_retry_cnt(%d) is out of range", 247 channel, chan_args->oc_path_rnr_retry_cnt); 248 return (IBT_INVALID_PARAM); 249 } 250 251 /* 252 * Ensure that client is not re-using a QP that is still associated 253 * with a statep 254 */ 255 IBCM_GET_CHAN_PRIVATE(channel, statep); 256 if (statep != NULL) { 257 IBCM_RELEASE_CHAN_PRIVATE(channel); 258 IBTF_DPRINTF_L2(cmlog, "ibt_open_rc_channel: chan 0x%p" 259 "Channel being re-used on active side", channel); 260 return (IBT_CHAN_IN_USE); 261 } 262 263 /* Get GUID from Channel */ 264 hca_guid = ibt_channel_to_hca_guid(channel); 265 266 /* validate QP's hca guid with that from primary path */ 267 if (hca_guid != chan_args->oc_path->pi_hca_guid) { 268 IBTF_DPRINTF_L2(cmlog, "ibt_open_rc_channel: chan 0x%p" 269 "GUID from Channel and primary path don't match", channel); 270 IBTF_DPRINTF_L2(cmlog, "ibt_open_rc_channel: chan 0x%p " 271 "Channel GUID %llX primary path GUID %llX", channel, 272 hca_guid, chan_args->oc_path->pi_hca_guid); 273 return (IBT_CHAN_HDL_INVALID); 274 } 275 276 IBTF_DPRINTF_L5(cmlog, "ibt_open_rc_channel: chan 0x%p " 277 "Local HCA GUID %llX", channel, hca_guid); 278 279 ibcm_rc_flow_control_enter(); /* limit how many run simultaneously */ 280 281 status = ibt_query_qp(channel, &qp_query_attr); 282 if (status != IBT_SUCCESS) { 283 ibcm_rc_flow_control_exit(); 284 IBTF_DPRINTF_L2(cmlog, "ibt_open_rc_channel: chan 0x%p" 285 "ibt_query_qp failed %d", channel, status); 286 return (status); 287 } 288 289 /* If client specified "no port change on QP" */ 290 if ((qp_query_attr.qp_info.qp_transport.rc.rc_path.cep_hca_port_num != 291 port_no) && (flags & IBT_OCHAN_PORT_FIXED)) { 292 ibcm_rc_flow_control_exit(); 293 IBTF_DPRINTF_L2(cmlog, "ibt_open_rc_channel: chan 0x%p" 294 "chan port %d and path port %d does not match", channel, 295 qp_query_attr.qp_info.qp_transport.rc.rc_path. \ 296 cep_hca_port_num, port_no); 297 return (IBT_INVALID_PARAM); 298 } 299 300 if (qp_query_attr.qp_info.qp_trans != IBT_RC_SRV) { 301 ibcm_rc_flow_control_exit(); 302 IBTF_DPRINTF_L2(cmlog, "ibt_open_rc_channel: chan 0x%p" 303 "Invalid Channel type: Applicable only to RC Channel", 304 channel); 305 return (IBT_CHAN_SRV_TYPE_INVALID); 306 } 307 308 /* Check if QP is in INIT state or not */ 309 if (qp_query_attr.qp_info.qp_state != IBT_STATE_INIT) { 310 ibcm_rc_flow_control_exit(); 311 IBTF_DPRINTF_L2(cmlog, "ibt_open_rc_channel: chan 0x%p" 312 "QP is not in INIT state %x", channel, 313 qp_query_attr.qp_info.qp_state); 314 return (IBT_CHAN_STATE_INVALID); 315 } 316 317 local_qpn = qp_query_attr.qp_qpn; 318 319 IBTF_DPRINTF_L5(cmlog, "ibt_open_rc_channel: chan 0x%p Active QPN 0x%x", 320 channel, local_qpn); 321 322 #ifdef NO_EEC_SUPPORT_YET 323 324 if (flags & IBT_OCHAN_RDC_EXISTS) { 325 ibt_eec_query_attr_t eec_query_attr; 326 327 local_qkey = qp_query_attr.qp_info.qp_transport.rd_qkey; 328 329 IBTF_DPRINTF_L5(cmlog, "ibt_open_rc_channel: RD"); 330 331 status = ibt_query_eec(channel, &eec_query_attr); 332 if (status != IBT_SUCCESS) { 333 ibcm_rc_flow_control_exit(); 334 IBTF_DPRINTF_L2(cmlog, "ibt_open_rc_channel: chan 0x%p" 335 "ibt_query_eec failed %d", channel, status); 336 return (status); 337 } 338 local_eecn = eec_query_attr.eec_eecn; 339 } 340 341 #endif 342 343 /* If no HCA found return failure */ 344 if ((hcap = ibcm_find_hca_entry(hca_guid)) == NULL) { 345 ibcm_rc_flow_control_exit(); 346 IBTF_DPRINTF_L2(cmlog, "ibt_open_rc_channel: chan 0x%p " 347 "hcap is NULL. Probably hca is not in active state", 348 channel); 349 return (IBT_CHAN_HDL_INVALID); 350 } 351 352 rdma_out = chan_args->oc_rdma_ra_out; 353 rdma_in = chan_args->oc_rdma_ra_in; 354 355 if ((rdma_in > hcap->hca_max_rdma_in_qp) || 356 (rdma_out > hcap->hca_max_rdma_out_qp)) { 357 ibcm_rc_flow_control_exit(); 358 IBTF_DPRINTF_L2(cmlog, "ibt_open_rc_channel: chan 0x%p" 359 "rdma in %d/out %d values exceed hca limits", channel, 360 rdma_in, rdma_out); 361 ibcm_dec_hca_acc_cnt(hcap); 362 return (IBT_INVALID_PARAM); 363 } 364 365 IBTF_DPRINTF_L5(cmlog, "ibt_open_rc_channel: chan 0x%p" 366 "rdma_in %d rdma_out %d", channel, rdma_in, rdma_out); 367 368 if (chan_args->oc_path->pi_prim_pkt_lt > ibcm_max_ib_pkt_lt) { 369 ibcm_rc_flow_control_exit(); 370 IBTF_DPRINTF_L2(cmlog, "ibt_open_rc_channel: chan 0x%p " 371 "Huge Primary Pkt lt %d", channel, 372 chan_args->oc_path->pi_prim_pkt_lt); 373 ibcm_dec_hca_acc_cnt(hcap); 374 return (IBT_PATH_PKT_LT_TOO_HIGH); 375 } 376 377 status = ibt_get_port_state_byguid(hcap->hca_guid, port_no, 378 NULL, &base_lid); 379 if (status != IBT_SUCCESS) { 380 ibcm_rc_flow_control_exit(); 381 IBTF_DPRINTF_L2(cmlog, "ibt_open_rc_channel: chan 0x%p" 382 "primary port_num %d not active", channel, port_no); 383 ibcm_dec_hca_acc_cnt(hcap); 384 return (status); 385 } 386 387 /* Validate P_KEY Index */ 388 status = ibt_index2pkey_byguid(hcap->hca_guid, port_no, 389 IBCM_PRIM_CEP_PATH(chan_args).cep_pkey_ix, &prim_pkey); 390 if (status != IBT_SUCCESS) { 391 ibcm_rc_flow_control_exit(); 392 IBTF_DPRINTF_L2(cmlog, "ibt_open_rc_channel: chan 0x%p " 393 "Invalid Primary PKeyIx %x", channel, 394 IBCM_PRIM_CEP_PATH(chan_args).cep_pkey_ix); 395 ibcm_dec_hca_acc_cnt(hcap); 396 return (status); 397 } 398 399 IBTF_DPRINTF_L5(cmlog, "ibt_open_rc_channel: chan 0x%p" 400 "primary_port_num %d primary_pkey 0x%x", channel, port_no, 401 prim_pkey); 402 403 if ((hcap->hca_port_info[port_no - 1].port_ibmf_hdl == NULL) && 404 ((status = ibcm_hca_reinit_port(hcap, port_no - 1)) 405 != IBT_SUCCESS)) { 406 ibcm_rc_flow_control_exit(); 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 ibcm_rc_flow_control_exit(); 432 IBTF_DPRINTF_L2(cmlog, "ibt_open_rc_channel: chan 0x%p " 433 "Huge Alt Pkt lt %d", channel, 434 chan_args->oc_path->pi_alt_pkt_lt); 435 ibcm_dec_hca_acc_cnt(hcap); 436 return (IBT_PATH_PKT_LT_TOO_HIGH); 437 } 438 439 if (port_no != alt_port_no) { 440 441 status = ibt_get_port_state_byguid(hcap->hca_guid, 442 alt_port_no, NULL, &base_lid); 443 if (status != IBT_SUCCESS) { 444 445 ibcm_rc_flow_control_exit(); 446 IBTF_DPRINTF_L2(cmlog, "ibt_open_rc_channel: " 447 "chan 0x%p alt_port_num %d inactive %d", 448 channel, alt_port_no, status); 449 ibcm_dec_hca_acc_cnt(hcap); 450 return (status); 451 } 452 453 } 454 alternate_slid = 455 base_lid + IBCM_ALT_ADDS_VECT(chan_args).av_src_path; 456 457 IBTF_DPRINTF_L5(cmlog, "ibt_open_rc_channel: chan %0xp" 458 "alternate SLID = %x", channel, alternate_slid); 459 } 460 461 /* 462 * only pkey needs to be zero'ed, because all other fields are set in 463 * in ibcm_init_reply_addr. But, let's bzero the complete struct for 464 * any future modifications. 465 */ 466 bzero(&cm_reply_addr, sizeof (cm_reply_addr)); 467 468 /* Initialize the MAD destination address in stored_reply_addr */ 469 if ((status = ibcm_init_reply_addr(hcap, &cm_reply_addr, chan_args, 470 flags, &cm_pkt_lt, primary_slid)) != IBT_SUCCESS) { 471 472 ibcm_rc_flow_control_exit(); 473 IBTF_DPRINTF_L2(cmlog, "ibt_open_rc_channel: chan 0x%p" 474 "ibcm_init_reply_addr failed status %d ", channel, status); 475 ibcm_dec_hca_acc_cnt(hcap); 476 return (status); 477 } 478 479 480 /* Initialize the pkey for CM MAD communication */ 481 if (cm_reply_addr.rcvd_addr.ia_p_key == 0) 482 cm_reply_addr.rcvd_addr.ia_p_key = prim_pkey; 483 484 #ifdef DEBUG 485 ibcm_print_reply_addr(channel, &cm_reply_addr); 486 #endif 487 488 /* Retrieve an ibmf qp for sending CM MADs */ 489 if ((cm_qp_entry = ibcm_find_qp(hcap, port_no, 490 cm_reply_addr.rcvd_addr.ia_p_key)) == NULL) { 491 ibcm_rc_flow_control_exit(); 492 IBTF_DPRINTF_L2(cmlog, "ibt_open_rc_channel: chan 0x%p" 493 "unable to allocate ibmf qp for CM MADs", channel); 494 ibcm_dec_hca_acc_cnt(hcap); 495 return (IBT_INSUFF_RESOURCE); 496 } 497 498 499 if (ibcm_alloc_comid(hcap, &local_comid) != IBCM_SUCCESS) { 500 ibcm_rc_flow_control_exit(); 501 ibcm_release_qp(cm_qp_entry); 502 ibcm_dec_hca_acc_cnt(hcap); 503 IBTF_DPRINTF_L2(cmlog, "ibt_open_rc_channel: chan 0x%p" 504 " Unable to allocate comid", channel); 505 return (IBT_INSUFF_KERNEL_RESOURCE); 506 } 507 508 /* allocate an IBMF mad buffer */ 509 if ((status = ibcm_alloc_out_msg(ibmf_hdl, &ibmf_msg, 510 MAD_METHOD_SEND)) != IBT_SUCCESS) { 511 ibcm_rc_flow_control_exit(); 512 IBTF_DPRINTF_L2(cmlog, "ibt_open_rc_channel: " 513 "chan 0x%p ibcm_alloc_out_msg failed", channel); 514 ibcm_release_qp(cm_qp_entry); 515 ibcm_free_comid(hcap, local_comid); 516 ibcm_dec_hca_acc_cnt(hcap); 517 return (status); 518 } 519 520 /* Init to Init, if QP's port does not match with path information */ 521 if (qp_query_attr.qp_info.qp_transport.rc.rc_path.cep_hca_port_num != 522 IBCM_PRIM_CEP_PATH(chan_args).cep_hca_port_num) { 523 524 ibt_qp_info_t qp_info; 525 ibt_cep_modify_flags_t cep_flags; 526 527 IBTF_DPRINTF_L5(cmlog, "ibt_open_rc_channel: " 528 "chan 0x%p chan port %d", channel, 529 qp_query_attr.qp_info.qp_transport.rc.rc_path.\ 530 cep_hca_port_num); 531 532 IBTF_DPRINTF_L5(cmlog, "ibt_open_rc_channel: " 533 "chan 0x%p path port %d", channel, port_no); 534 535 bzero(&qp_info, sizeof (qp_info)); 536 /* For now, set it to RC type */ 537 538 qp_info.qp_trans = IBT_RC_SRV; 539 qp_info.qp_state = IBT_STATE_INIT; 540 qp_info.qp_transport.rc.rc_path.cep_hca_port_num = port_no; 541 542 cep_flags = IBT_CEP_SET_STATE | IBT_CEP_SET_PORT; 543 544 status = ibt_modify_qp(channel, cep_flags, &qp_info, NULL); 545 546 if (status != IBT_SUCCESS) { 547 ibcm_rc_flow_control_exit(); 548 IBTF_DPRINTF_L2(cmlog, "ibt_open_rc_channel: " 549 "chan 0x%p ibt_modify_qp() = %d", channel, status); 550 ibcm_release_qp(cm_qp_entry); 551 ibcm_free_comid(hcap, local_comid); 552 ibcm_dec_hca_acc_cnt(hcap); 553 (void) ibcm_free_out_msg(ibmf_hdl, &ibmf_msg); 554 return (status); 555 } else 556 IBTF_DPRINTF_L5(cmlog, "ibt_open_rc_channel: " 557 "chan 0x%p ibt_modify_qp() = %d", channel, status); 558 } 559 560 /* allocate ibcm_state_data_t before grabbing the WRITER lock */ 561 statep = kmem_zalloc(sizeof (ibcm_state_data_t), KM_SLEEP); 562 rw_enter(&hcap->hca_state_rwlock, RW_WRITER); 563 lkup_status = ibcm_lookup_msg(IBCM_OUTGOING_REQ, local_comid, 0, 0, 564 hcap, &statep); 565 rw_exit(&hcap->hca_state_rwlock); 566 567 /* CM should be seeing this for the first time */ 568 ASSERT(lkup_status == IBCM_LOOKUP_NEW); 569 570 /* Increment the hca's resource count */ 571 ibcm_inc_hca_res_cnt(hcap); 572 573 /* Once a resource created on hca, no need to hold the acc cnt */ 574 ibcm_dec_hca_acc_cnt(hcap); 575 576 577 _NOTE(NOW_INVISIBLE_TO_OTHER_THREADS(*statep)) 578 579 statep->timerid = 0; 580 statep->local_hca_guid = hca_guid; 581 statep->local_qpn = local_qpn; 582 statep->stored_reply_addr.cm_qp_entry = cm_qp_entry; 583 statep->prim_port = IBCM_PRIM_CEP_PATH(chan_args).cep_hca_port_num; 584 statep->alt_port = IBCM_ALT_CEP_PATH(chan_args).cep_hca_port_num; 585 586 587 /* Save "statep" as channel's CM private data. */ 588 statep->channel = channel; 589 IBCM_SET_CHAN_PRIVATE(statep->channel, statep); 590 591 statep->stored_msg = ibmf_msg; 592 593 _NOTE(NOW_INVISIBLE_TO_OTHER_THREADS(*req_msgp)) 594 595 /* Start filling in the REQ MAD */ 596 req_msgp = (ibcm_req_msg_t *)IBCM_OUT_MSGP(statep->stored_msg); 597 req_msgp->req_local_comm_id = h2b32(local_comid); 598 req_msgp->req_svc_id = h2b64(chan_args->oc_path->pi_sid); 599 req_msgp->req_local_ca_guid = h2b64(hca_guid); 600 req_msgp->req_local_qkey = h2b32(local_qkey); /* for EEC/RD */ 601 602 /* Bytes 32-35 are req_local_qpn and req_off_resp_resources */ 603 req_msgp->req_local_qpn_plus = h2b32(local_qpn << 8 | rdma_in); 604 605 /* Bytes 36-39 are req_local_eec_no and req_off_initiator_depth */ 606 req_msgp->req_local_eec_no_plus = h2b32(local_eecn << 8 | rdma_out); 607 608 if (flags & IBT_OCHAN_REMOTE_CM_TM) 609 remote_cm_resp_time = chan_args->oc_remote_cm_time; 610 else 611 remote_cm_resp_time = ibcm_remote_response_time; 612 613 /* 614 * Bytes 40-43 - remote_eecn, remote_cm_resp_time, tran_type, 615 * IBT_CM_FLOW_CONTROL is always set by default. 616 */ 617 req_msgp->req_remote_eecn_plus = h2b32( 618 remote_eecn << 8 | (ibt_usec2ib(remote_cm_resp_time) & 0x1f) << 3 | 619 IBT_RC_SRV << 1 | IBT_CM_FLOW_CONTROL); 620 621 if (flags & IBT_OCHAN_LOCAL_CM_TM) 622 local_cm_proc_time = chan_args->oc_local_cm_time; 623 else 624 local_cm_proc_time = ibcm_local_processing_time; 625 626 local_cm_resp_time = ibt_usec2ib(local_cm_proc_time + 627 2 * ibt_ib2usec(chan_args->oc_path->pi_prim_pkt_lt) + 628 ibcm_sw_delay); 629 630 /* save retry count */ 631 statep->cep_retry_cnt = chan_args->oc_path_retry_cnt; 632 633 if (flags & IBT_OCHAN_STARTING_PSN) 634 starting_psn = chan_args->oc_starting_psn; 635 636 if (local_cm_resp_time > 0x1f) 637 local_cm_resp_time = 0x1f; 638 639 /* Bytes 44-47 are req_starting_psn, local_cm_resp_time and retry_cnt */ 640 req_msgp->req_starting_psn_plus = h2b32(starting_psn << 8 | 641 local_cm_resp_time << 3 | statep->cep_retry_cnt); 642 643 IBTF_DPRINTF_L5(cmlog, "ibt_open_rc_channel: chan 0x%p " 644 "Prim Pkt lt (IB time) 0x%x", channel, 645 chan_args->oc_path->pi_prim_pkt_lt); 646 647 IBTF_DPRINTF_L5(cmlog, "ibt_open_rc_channel: chan 0x%p " 648 "local_cm_proc_time(usec) %d ", channel, local_cm_proc_time); 649 650 IBTF_DPRINTF_L5(cmlog, "ibt_open_rc_channel: chan 0x%p " 651 "local_cm_resp_time(ib_time) %d", channel, local_cm_resp_time); 652 653 IBTF_DPRINTF_L5(cmlog, "ibt_open_rc_channel: chan 0x%p " 654 "remote_cm_resp_time (usec) %d", channel, remote_cm_resp_time); 655 656 statep->starting_psn = starting_psn; 657 658 /* Pkey - bytes 48-49 */ 659 req_msgp->req_part_key = h2b16(prim_pkey); 660 661 if (flags & IBT_OCHAN_CM_RETRY) 662 cm_retries = chan_args->oc_cm_retry_cnt; 663 else 664 cm_retries = ibcm_max_retries; 665 666 statep->max_cm_retries = statep->remaining_retry_cnt = cm_retries; 667 req_msgp->req_max_cm_retries_plus = statep->max_cm_retries << 4; 668 669 /* 670 * Check whether SRQ is associated with this Channel, if yes, then 671 * set the SRQ Exists bit in the REQ. 672 */ 673 if (qp_query_attr.qp_srq != NULL) { 674 req_msgp->req_max_cm_retries_plus |= (1 << 3); 675 } 676 677 req_msgp->req_mtu_plus = chan_args->oc_path->pi_path_mtu << 4 | 678 chan_args->oc_path_rnr_retry_cnt; 679 680 IBTF_DPRINTF_L5(cmlog, "ibt_open_rc_channel: chan 0x%p CM retry cnt %d" 681 "staring PSN %x", channel, cm_retries, starting_psn); 682 683 684 #ifdef NO_EEC_SUPPORT_YET 685 if (flags & IBT_OCHAN_RDC_EXISTS) 686 req_msgp->req_mtu_plus |= 8; 687 #endif 688 689 /* Initialize the "primary" port stuff next - bytes 52-95 */ 690 req_msgp->req_primary_l_port_lid = h2b16(primary_slid); 691 req_msgp->req_primary_r_port_lid = 692 h2b16(IBCM_PRIM_ADDS_VECT(chan_args).av_dlid); 693 req_msgp->req_primary_l_port_gid.gid_prefix = 694 h2b64(IBCM_PRIM_ADDS_VECT(chan_args).av_sgid.gid_prefix); 695 req_msgp->req_primary_l_port_gid.gid_guid = 696 h2b64(IBCM_PRIM_ADDS_VECT(chan_args).av_sgid.gid_guid); 697 req_msgp->req_primary_r_port_gid.gid_prefix = 698 h2b64(IBCM_PRIM_ADDS_VECT(chan_args).av_dgid.gid_prefix); 699 req_msgp->req_primary_r_port_gid.gid_guid = 700 h2b64(IBCM_PRIM_ADDS_VECT(chan_args).av_dgid.gid_guid); 701 primary_grh = IBCM_PRIM_ADDS_VECT(chan_args).av_send_grh; 702 703 /* Bytes 88-91 - primary_flowlbl, and primary_srate */ 704 req_msgp->req_primary_flow_label_plus = 705 h2b32(((primary_grh == B_TRUE) ? 706 (IBCM_PRIM_ADDS_VECT(chan_args).av_flow << 12) : 0) | 707 IBCM_PRIM_ADDS_VECT(chan_args).av_srate); 708 req_msgp->req_primary_traffic_class = (primary_grh == B_TRUE) ? 709 IBCM_PRIM_ADDS_VECT(chan_args).av_tclass : 0; 710 req_msgp->req_primary_hop_limit = (primary_grh == B_TRUE) ? 711 IBCM_PRIM_ADDS_VECT(chan_args).av_hop : 0xff; 712 req_msgp->req_primary_sl_plus = 713 IBCM_PRIM_ADDS_VECT(chan_args).av_srvl << 4 | 714 ((primary_grh == B_TRUE) ? 0 : 8); 715 716 req_msgp->req_primary_localtime_plus = 717 ibt_usec2ib((2 * ibt_ib2usec(chan_args->oc_path->pi_prim_pkt_lt)) + 718 ibt_ib2usec(hcap->hca_ack_delay)) << 3; 719 720 IBTF_DPRINTF_L2(cmlog, "ibt_open_rc_channel: chan %p statep %p", 721 channel, statep); 722 IBTF_DPRINTF_L5(cmlog, "ibt_open_rc_channel: chan 0x%p " 723 "active hca_ack_delay (usec) %d", channel, 724 req_msgp->req_primary_localtime_plus); 725 726 IBTF_DPRINTF_L5(cmlog, "ibt_open_rc_channel: chan 0x%p " 727 "Sent primary cep timeout (IB Time) %d", channel, 728 hcap->hca_ack_delay); 729 730 IBTF_DPRINTF_L5(cmlog, "ibt_open_rc_channel: chan 0x%p prim_dlid %x ", 731 channel, IBCM_PRIM_ADDS_VECT(chan_args).av_dlid); 732 733 IBTF_DPRINTF_L5(cmlog, "ibt_open_rc_channel: chan 0x%p " 734 "prim gid prefix %llX", channel, 735 IBCM_PRIM_ADDS_VECT(chan_args).av_dgid.gid_prefix); 736 737 IBTF_DPRINTF_L5(cmlog, "ibt_open_rc_channel: chan 0x%p " 738 "prim gid guid %llX ", channel, 739 IBCM_PRIM_ADDS_VECT(chan_args).av_dgid.gid_guid); 740 741 /* Initialize the "alternate" port stuff - optional */ 742 if (chan_args->oc_path->pi_alt_cep_path.cep_hca_port_num != 0) { 743 ib_gid_t tmp_gid; 744 745 req_msgp->req_alt_l_port_lid = h2b16(alternate_slid); 746 req_msgp->req_alt_r_port_lid = 747 h2b16(IBCM_ALT_ADDS_VECT(chan_args).av_dlid); 748 /* 749 * doing all this as req_alt_r/l_port_gid is at offset 750 * 100, 116 which is not divisible by 8 751 */ 752 753 tmp_gid.gid_prefix = 754 h2b64(IBCM_ALT_ADDS_VECT(chan_args).av_dgid.gid_prefix); 755 tmp_gid.gid_guid = 756 h2b64(IBCM_ALT_ADDS_VECT(chan_args).av_dgid.gid_guid); 757 bcopy(&tmp_gid, &req_msgp->req_alt_r_port_gid[0], 758 sizeof (ib_gid_t)); 759 tmp_gid.gid_prefix = 760 h2b64(IBCM_ALT_ADDS_VECT(chan_args).av_sgid.gid_prefix); 761 tmp_gid.gid_guid = 762 h2b64(IBCM_ALT_ADDS_VECT(chan_args).av_sgid.gid_guid); 763 764 bcopy(&tmp_gid, &req_msgp->req_alt_l_port_gid[0], 765 sizeof (ib_gid_t)); 766 alternate_grh = IBCM_ALT_ADDS_VECT(chan_args).av_send_grh; 767 768 /* Bytes 132-135 - alternate_flow_label, and alternate srate */ 769 req_msgp->req_alt_flow_label_plus = h2b32( 770 (((alternate_grh == B_TRUE) ? 771 (IBCM_ALT_ADDS_VECT(chan_args).av_flow << 12) : 0) | 772 IBCM_ALT_ADDS_VECT(chan_args).av_srate)); 773 req_msgp->req_alt_traffic_class = (alternate_grh == B_TRUE) ? 774 IBCM_ALT_ADDS_VECT(chan_args).av_tclass : 0; 775 req_msgp->req_alt_hop_limit = (alternate_grh == B_TRUE) ? 776 IBCM_ALT_ADDS_VECT(chan_args).av_hop : 0xff; 777 req_msgp->req_alt_sl_plus = 778 IBCM_ALT_ADDS_VECT(chan_args).av_srvl << 4 | 779 ((alternate_grh == B_TRUE) ? 0 : 8); 780 req_msgp->req_alt_localtime_plus = ibt_usec2ib((2 * 781 ibt_ib2usec(chan_args->oc_path->pi_alt_pkt_lt)) + 782 ibt_ib2usec(hcap->hca_ack_delay)) << 3; 783 784 IBTF_DPRINTF_L5(cmlog, "ibt_open_rc_channel: chan 0x%p " 785 "alt_dlid %x ", channel, 786 IBCM_ALT_ADDS_VECT(chan_args).av_dlid); 787 788 IBTF_DPRINTF_L5(cmlog, "ibt_open_rc_channel: chan 0x%p " 789 "alt gid prefix %llX", channel, 790 IBCM_ALT_ADDS_VECT(chan_args).av_dgid.gid_prefix); 791 792 IBTF_DPRINTF_L5(cmlog, "ibt_open_rc_channel: chan 0x%p " 793 "alt gid guid %llX ", channel, 794 IBCM_ALT_ADDS_VECT(chan_args).av_dgid.gid_guid); 795 } 796 797 len = min(chan_args->oc_priv_data_len, IBT_REQ_PRIV_DATA_SZ); 798 if ((len > 0) && chan_args->oc_priv_data) 799 bcopy(chan_args->oc_priv_data, req_msgp->req_private_data, len); 800 801 _NOTE(NOW_VISIBLE_TO_OTHER_THREADS(*req_msgp)) 802 803 /* return_data is filled up in the state machine code */ 804 if (ret_args != NULL) { 805 statep->open_return_data = ret_args; 806 } 807 808 /* initialize some statep fields here */ 809 statep->mode = IBCM_ACTIVE_MODE; 810 statep->hcap = hcap; 811 812 statep->cm_handler = chan_args->oc_cm_handler; 813 statep->state_cm_private = chan_args->oc_cm_clnt_private; 814 815 statep->pkt_life_time = 816 ibt_ib2usec(chan_args->oc_path->pi_prim_pkt_lt); 817 818 statep->timer_value = 2 * ibt_ib2usec(cm_pkt_lt) + remote_cm_resp_time; 819 820 /* Initialize statep->stored_reply_addr */ 821 statep->stored_reply_addr.ibmf_hdl = ibmf_hdl; 822 823 /* Initialize stored reply addr fields */ 824 statep->stored_reply_addr.grh_hdr = cm_reply_addr.grh_hdr; 825 statep->stored_reply_addr.rcvd_addr = cm_reply_addr.rcvd_addr; 826 statep->stored_reply_addr.grh_exists = cm_reply_addr.grh_exists; 827 statep->stored_reply_addr.port_num = cm_reply_addr.port_num; 828 829 /* 830 * The IPD on local/active side is calculated by path functions, 831 * hence available in the args of ibt_open_rc_channel 832 */ 833 statep->local_srate = IBCM_PRIM_ADDS_VECT(chan_args).av_srate; 834 statep->local_alt_srate = IBCM_ALT_ADDS_VECT(chan_args).av_srate; 835 836 /* Store the source path bits for primary and alt paths */ 837 statep->prim_src_path_bits = IBCM_PRIM_ADDS_VECT(chan_args).av_src_path; 838 statep->alt_src_path_bits = IBCM_ALT_ADDS_VECT(chan_args).av_src_path; 839 840 statep->open_done = B_FALSE; 841 statep->state = statep->timer_stored_state = IBCM_STATE_REQ_SENT; 842 IBCM_REF_CNT_INCR(statep); /* For non-blocking REQ post */ 843 statep->send_mad_flags |= IBCM_REQ_POST_BUSY; 844 845 IBCM_OUT_HDRP(statep->stored_msg)->AttributeID = 846 h2b16(IBCM_INCOMING_REQ + IBCM_ATTR_BASE_ID); 847 848 IBCM_OUT_HDRP(statep->stored_msg)->TransactionID = 849 h2b64(ibcm_generate_tranid(IBCM_INCOMING_REQ, statep->local_comid, 850 0)); 851 852 _NOTE(NOW_VISIBLE_TO_OTHER_THREADS(*statep)) 853 854 ibcm_insert_trace(statep, IBCM_TRACE_OUTGOING_REQ); 855 856 /* Send REQ */ 857 ibcm_post_rc_mad(statep, statep->stored_msg, ibcm_post_req_complete, 858 statep); 859 860 mutex_enter(&statep->state_mutex); 861 862 if (mode == IBT_BLOCKING) { 863 864 /* wait for REQ/REP/RTU */ 865 while (statep->open_done != B_TRUE) { 866 cv_wait(&statep->block_client_cv, &statep->state_mutex); 867 } 868 869 /* 870 * In the case that open_channel() fails because of a 871 * REJ or timeout, change retval to IBT_CM_FAILURE 872 */ 873 if (statep->open_return_data->rc_status != IBT_CM_ACCEPT) 874 status = IBT_CM_FAILURE; 875 876 IBTF_DPRINTF_L3(cmlog, "ibt_open_rc_channel: chan 0x%p " 877 "ret status %d cm status %d", channel, status, 878 statep->open_return_data->rc_status); 879 } 880 881 882 /* decrement the ref-count before leaving here */ 883 IBCM_REF_CNT_DECR(statep); 884 885 mutex_exit(&statep->state_mutex); 886 887 IBTF_DPRINTF_L4(cmlog, "ibt_open_rc_channel: chan 0x%p done", channel); 888 return (status); 889 } 890 891 /* 892 * ibcm_init_reply_addr: 893 * 894 * The brief description of functionality below. 895 * 896 * For IBT_OCHAN_PORT_REDIRECTED (ie., port redirected case): 897 * Build CM path from chan_args->oc_cm_cep_path 898 * Set CM pkt lt (ie.,life time) to chan_args->oc_cm_pkt_lt 899 * 900 * For IBT_OCHAN_REDIRECTED (ie., port and CM redirected case): 901 * If Redirect LID is specified, 902 * If Redirect GID is not specified or specified to be on the same 903 * subnet, then 904 * Build CM path from chan_args->oc_cm_redirect_info 905 * Set CM pkt lt to subnet timeout 906 * Else (ie., GID specified, but on a different subnet) 907 * Do a path lookup to build CM Path and set CM pkt lt 908 * 909 */ 910 static ibt_status_t 911 ibcm_init_reply_addr(ibcm_hca_info_t *hcap, ibcm_mad_addr_t *reply_addr, 912 ibt_chan_open_args_t *chan_args, ibt_chan_open_flags_t flags, 913 ib_time_t *cm_pkt_lt, ib_lid_t prim_slid) 914 { 915 ibt_adds_vect_t *cm_adds; 916 ibt_path_info_t path; 917 boolean_t cm_grh; 918 ibt_status_t status; 919 920 IBTF_DPRINTF_L5(cmlog, "ibcm_init_reply_addr:"); 921 922 _NOTE(NOW_INVISIBLE_TO_OTHER_THREADS(*reply_addr)) 923 924 /* 925 * sending side CM lid/gid/port num are not based on any redirect 926 * params. These values are set to primary RC path lid/gid/port num. 927 * In the future, these values can be set based on framework policy 928 * decisions ensuring reachability. 929 */ 930 reply_addr->grh_hdr.ig_sender_gid = 931 IBCM_PRIM_ADDS_VECT(chan_args).av_sgid; 932 reply_addr->rcvd_addr.ia_local_lid = prim_slid; 933 reply_addr->port_num = IBCM_PRIM_CEP_PATH(chan_args).cep_hca_port_num; 934 935 if (flags & IBT_OCHAN_PORT_REDIRECTED) { 936 IBTF_DPRINTF_L4(cmlog, "ibcm_init_rely_addr: " 937 "IBT_OCHAN_PORT_REDIRECTED specified"); 938 939 status = ibt_index2pkey_byguid(hcap->hca_guid, 940 chan_args->oc_cm_cep_path->cep_hca_port_num, 941 chan_args->oc_cm_cep_path->cep_pkey_ix, 942 &reply_addr->rcvd_addr.ia_p_key); 943 944 if (status != IBT_SUCCESS) { 945 IBTF_DPRINTF_L2(cmlog, "ibcm_init_rely_addr: Invalid " 946 "CM PKeyIx %x port_num %x", 947 chan_args->oc_cm_cep_path->cep_pkey_ix, 948 chan_args->oc_cm_cep_path->cep_hca_port_num); 949 return (status); 950 } 951 952 cm_adds = &(chan_args->oc_cm_cep_path->cep_adds_vect); 953 IBTF_DPRINTF_L4(cmlog, "ibcm_init_rely_addr: dlid = %x", 954 cm_adds->av_dlid); 955 956 reply_addr->rcvd_addr.ia_q_key = IB_GSI_QKEY; 957 reply_addr->rcvd_addr.ia_remote_qno = 1; 958 *cm_pkt_lt = chan_args->oc_cm_pkt_lt; 959 960 } else if (flags & IBT_OCHAN_REDIRECTED) { 961 ibt_redirect_info_t *redirect_info; 962 963 ibt_hca_portinfo_t *port_infop; 964 uint_t psize, nports; 965 966 IBTF_DPRINTF_L4(cmlog, "ibcm_init_rely_addr: " 967 "IBT_OCHAN_REDIRECTED specified"); 968 969 redirect_info = chan_args->oc_cm_redirect_info; 970 971 /* As per spec definition 1.1, it's always IB_GSI_QKEY */ 972 reply_addr->rcvd_addr.ia_q_key = redirect_info->rdi_qkey; 973 reply_addr->rcvd_addr.ia_remote_qno = redirect_info->rdi_qpn; 974 reply_addr->rcvd_addr.ia_p_key = redirect_info->rdi_pkey; 975 976 /* 977 * if LID is non-zero in classportinfo and DGID is in the same 978 * subnet as SGID, use classportinfo fields to form 979 * CM MAD destination address. 980 */ 981 982 if ((redirect_info->rdi_dlid != 0) && 983 ((redirect_info->rdi_gid.gid_guid == 0) || 984 (redirect_info->rdi_gid.gid_guid == 985 reply_addr->grh_hdr.ig_sender_gid.gid_guid))) { 986 987 status = ibtl_cm_query_hca_ports_byguid(hcap->hca_guid, 988 reply_addr->port_num, &port_infop, &nports, &psize); 989 990 if ((status != IBT_SUCCESS) || (nports == 0)) { 991 IBTF_DPRINTF_L2(cmlog, "ibcm_init_reply_addr: " 992 "Query Ports Failed: %d", status); 993 return (status); 994 } else if (port_infop->p_subnet_timeout > 995 IBCM_MAX_IB_PKT_LT) { 996 IBTF_DPRINTF_L2(cmlog, "ibcm_init_reply_addr: " 997 "large subnet timeout %x port_no %x", 998 port_infop->p_subnet_timeout, 999 reply_addr->port_num); 1000 ibt_free_portinfo(port_infop, psize); 1001 return (IBT_PATH_PKT_LT_TOO_HIGH); 1002 } else { 1003 IBTF_DPRINTF_L3(cmlog, "ibcm_init_reply_addr: " 1004 "subnet timeout %x port_no %x", 1005 port_infop->p_subnet_timeout, 1006 reply_addr->port_num); 1007 1008 *cm_pkt_lt = 1009 ibt_ib2usec(min(ibcm_max_ib_mad_pkt_lt, 1010 port_infop->p_subnet_timeout)); 1011 1012 ibt_free_portinfo(port_infop, psize); 1013 } 1014 1015 reply_addr->rcvd_addr.ia_remote_lid = 1016 redirect_info->rdi_dlid; 1017 reply_addr->rcvd_addr.ia_service_level = 1018 redirect_info->rdi_sl; 1019 1020 /* If GID is specified, copy GRH fields */ 1021 if (redirect_info->rdi_gid.gid_guid != 0) { 1022 reply_addr->grh_exists = B_TRUE; 1023 reply_addr->grh_hdr.ig_recver_gid = 1024 redirect_info->rdi_gid; 1025 reply_addr->grh_hdr.ig_tclass = 1026 redirect_info->rdi_tclass; 1027 reply_addr->grh_hdr.ig_flow_label = 1028 redirect_info->rdi_flow; 1029 1030 /* Classportinfo doesn't have hoplimit field */ 1031 reply_addr->grh_hdr.ig_hop_limit = 0xff; 1032 } 1033 return (IBT_SUCCESS); 1034 1035 } else { /* redirect GID on a different subnet */ 1036 ibt_path_attr_t path_attr; 1037 ib_gid_t path_dgid[1]; 1038 1039 /* 1040 * If GID is specified, and LID is zero in classportinfo 1041 * do a path lookup using specified GID, Pkey, FL, TC 1042 * in classportinfo 1043 */ 1044 1045 ASSERT(redirect_info->rdi_gid.gid_guid != 0); 1046 1047 bzero(&path_attr, sizeof (path_attr)); 1048 1049 path_attr.pa_dgids = &path_dgid[0]; 1050 path_attr.pa_dgids[0] = redirect_info->rdi_gid; 1051 1052 /* 1053 * use reply_addr below, as sender_gid in reply_addr 1054 * may have been set above based on some policy decision 1055 * for originating end point for CM MADs above 1056 */ 1057 path_attr.pa_sgid = reply_addr->grh_hdr.ig_sender_gid; 1058 1059 path_attr.pa_num_dgids = 1; 1060 path_attr.pa_flow = redirect_info->rdi_flow; 1061 path_attr.pa_tclass = redirect_info->rdi_tclass; 1062 path_attr.pa_pkey = redirect_info->rdi_pkey; 1063 1064 if ((status = ibt_get_paths(ibcm_ibt_handle, 1065 IBT_PATH_NO_FLAGS, &path_attr, 1, &path, NULL)) != 1066 IBT_SUCCESS) 1067 return (status); 1068 1069 /* Initialize cm_adds */ 1070 cm_adds = &path.pi_prim_cep_path.cep_adds_vect; 1071 *cm_pkt_lt = path.pi_prim_pkt_lt; 1072 } 1073 1074 } else { /* cm_pkey initialized in ibt_open_rc_channel */ 1075 reply_addr->rcvd_addr.ia_q_key = IB_GSI_QKEY; 1076 reply_addr->rcvd_addr.ia_remote_qno = 1; 1077 *cm_pkt_lt = chan_args->oc_path->pi_prim_pkt_lt; 1078 cm_adds = &(IBCM_PRIM_ADDS_VECT(chan_args)); 1079 } 1080 1081 1082 cm_grh = cm_adds->av_send_grh; 1083 reply_addr->grh_exists = cm_grh; 1084 1085 reply_addr->rcvd_addr.ia_remote_lid = 1086 cm_adds->av_dlid; 1087 1088 reply_addr->grh_hdr.ig_recver_gid = 1089 cm_adds->av_dgid; 1090 reply_addr->grh_hdr.ig_flow_label = 1091 cm_adds->av_flow & IB_GRH_FLOW_LABEL_MASK; 1092 reply_addr->grh_hdr.ig_tclass = 1093 (cm_grh == B_TRUE) ? cm_adds->av_tclass : 0; 1094 reply_addr->grh_hdr.ig_hop_limit = 1095 (cm_grh == B_TRUE) ? cm_adds->av_hop : 0xff; 1096 reply_addr->rcvd_addr.ia_service_level = 1097 cm_adds->av_srvl; 1098 1099 _NOTE(NOW_VISIBLE_TO_OTHER_THREADS(*reply_addr)) 1100 1101 return (IBT_SUCCESS); 1102 } 1103 1104 1105 /* 1106 * ibt_prime_close_rc_channel() 1107 * It allocates resources required for close channel operation, so 1108 * ibt_close_rc_channel can be called from interrupt routine. 1109 * 1110 * INPUTS: 1111 * channel The address of an ibt_channel_t struct that 1112 * specifies the channel to open. 1113 * 1114 * RETURN VALUES: 1115 * IBT_SUCCESS on success(or respective failure on error) 1116 * 1117 * Clients are typically expected to call this function in established state 1118 */ 1119 ibt_status_t 1120 ibt_prime_close_rc_channel(ibt_channel_hdl_t channel) 1121 { 1122 ibcm_state_data_t *statep; 1123 ibt_status_t status = IBT_SUCCESS; 1124 1125 IBTF_DPRINTF_L3(cmlog, "ibt_prime_close_rc_channel(%p)", channel); 1126 1127 /* validate channel, first */ 1128 if (IBCM_INVALID_CHANNEL(channel)) { 1129 IBTF_DPRINTF_L2(cmlog, "ibt_prime_close_rc_channel: chan 0x%p" 1130 "invalid channel", channel); 1131 return (IBT_CHAN_HDL_INVALID); 1132 } 1133 1134 if (ibtl_cm_get_chan_type(channel) != IBT_RC_SRV) { 1135 IBTF_DPRINTF_L2(cmlog, "ibt_prime_close_rc_channel: chan 0x%p" 1136 "Invalid Channel type: Applicable only to RC Channel", 1137 channel); 1138 return (IBT_CHAN_SRV_TYPE_INVALID); 1139 } 1140 1141 /* get the statep */ 1142 IBCM_GET_CHAN_PRIVATE(channel, statep); 1143 1144 /* 1145 * This can happen, if the statep is already gone by a DREQ from 1146 * the remote side 1147 */ 1148 1149 if (statep == NULL) { 1150 IBTF_DPRINTF_L2(cmlog, "ibt_prime_close_rc_channel: chan 0x%p" 1151 "statep NULL", channel); 1152 return (IBT_SUCCESS); 1153 } 1154 1155 mutex_enter(&statep->state_mutex); 1156 IBCM_RELEASE_CHAN_PRIVATE(channel); 1157 if (statep->state != IBCM_STATE_ESTABLISHED) { 1158 mutex_exit(&statep->state_mutex); 1159 return (IBT_CHAN_STATE_INVALID); 1160 } 1161 IBCM_REF_CNT_INCR(statep); 1162 IBTF_DPRINTF_L4(cmlog, "ibt_prime_close_rc_channel: chan 0x%p statep %p" 1163 "state %x", channel, statep, statep->state); 1164 mutex_exit(&statep->state_mutex); 1165 1166 /* clients could pre-allocate dreq mad, even before connection est */ 1167 if (statep->dreq_msg == NULL) 1168 status = ibcm_alloc_out_msg(statep->stored_reply_addr.ibmf_hdl, 1169 &statep->dreq_msg, MAD_METHOD_SEND); 1170 1171 mutex_enter(&statep->state_mutex); 1172 IBCM_REF_CNT_DECR(statep); 1173 mutex_exit(&statep->state_mutex); 1174 1175 if (status != IBT_SUCCESS) { 1176 IBTF_DPRINTF_L2(cmlog, "ibt_prime_close_rc_channel: chan 0x%p " 1177 "ibcm_alloc_out_msg failed ", channel); 1178 return (status); 1179 } 1180 1181 /* If this message isn't seen then ibt_prime_close_rc_channel failed */ 1182 IBTF_DPRINTF_L5(cmlog, "ibt_prime_close_rc_channel: chan 0x%p done", 1183 channel); 1184 1185 return (IBT_SUCCESS); 1186 } 1187 1188 /* 1189 * ibt_close_rc_channel() 1190 * It closes an established channel. 1191 * 1192 * RETURN VALUES: 1193 * IBT_SUCCESS on success(or respective failure on error) 1194 */ 1195 ibt_status_t 1196 ibt_close_rc_channel(ibt_channel_hdl_t channel, ibt_execution_mode_t mode, 1197 void *priv_data, ibt_priv_data_len_t priv_data_len, uint8_t *ret_status, 1198 void *ret_priv_data, ibt_priv_data_len_t *ret_priv_data_len_p) 1199 { 1200 ibcm_hca_info_t *hcap; 1201 ibcm_state_data_t *statep; 1202 ibt_status_t status; 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 /* get the statep */ 1238 IBCM_GET_CHAN_PRIVATE(channel, statep); 1239 1240 if (statep == NULL) { 1241 1242 IBTF_DPRINTF_L2(cmlog, "ibt_close_rc_channel: chan 0x%p " 1243 "statep NULL", channel); 1244 if (ibtl_cm_is_chan_closing(channel) || 1245 ibtl_cm_is_chan_closed(channel)) { 1246 if (ret_status) 1247 *ret_status = IBT_CM_CLOSED_ALREADY; 1248 1249 /* No private data to return to the client */ 1250 if (ret_priv_data_len_p != NULL) 1251 *ret_priv_data_len_p = 0; 1252 1253 return (IBT_SUCCESS); 1254 } 1255 return (IBT_CHAN_STATE_INVALID); 1256 } 1257 1258 mutex_enter(&statep->state_mutex); 1259 IBCM_RELEASE_CHAN_PRIVATE(channel); 1260 IBCM_REF_CNT_INCR(statep); 1261 mutex_exit(&statep->state_mutex); 1262 1263 IBTF_DPRINTF_L3(cmlog, "ibt_close_rc_channel: chan 0x%p statep %p", 1264 channel, statep); 1265 1266 mutex_enter(&statep->state_mutex); 1267 hcap = statep->hcap; 1268 1269 /* HCA must have been in active state. If not, it's a client bug */ 1270 if (!IBCM_ACCESS_HCA_OK(hcap)) { 1271 IBTF_DPRINTF_L2(cmlog, "ibt_close_rc_channel: chan 0x%p " 1272 "hcap 0x%p not active", channel, hcap); 1273 IBCM_REF_CNT_DECR(statep); 1274 mutex_exit(&statep->state_mutex); 1275 return (IBT_CHAN_HDL_INVALID); 1276 } 1277 1278 if (statep->state == IBCM_STATE_TRANSIENT_ESTABLISHED) { 1279 while (statep->cep_in_rts == IBCM_BLOCK) 1280 cv_wait(&statep->block_mad_cv, &statep->state_mutex); 1281 } 1282 1283 /* Do TRANSIENT_DREQ check after TRANSIENT_ESTABLISHED check */ 1284 while (statep->state == IBCM_STATE_TRANSIENT_DREQ_SENT) 1285 cv_wait(&statep->block_mad_cv, &statep->state_mutex); 1286 1287 IBTF_DPRINTF_L4(cmlog, "ibt_close_rc_channel: chan 0x%p " 1288 "connection state is %x", channel, statep->state); 1289 1290 statep->close_ret_status = ret_status; 1291 1292 /* If state is in pre-established states, abort the connection est */ 1293 if (statep->state != IBCM_STATE_ESTABLISHED) { 1294 1295 /* No DREP private data possible */ 1296 if (ret_priv_data_len_p != NULL) 1297 *ret_priv_data_len_p = 0; 1298 1299 /* 1300 * If waiting for a response mad, then cancel the timer, 1301 * and delete the connection 1302 */ 1303 if (statep->state == IBCM_STATE_REQ_SENT || 1304 statep->state == IBCM_STATE_REP_SENT || 1305 statep->state == IBCM_STATE_REP_WAIT || 1306 statep->state == IBCM_STATE_MRA_REP_RCVD) { 1307 timeout_id_t timer_val = statep->timerid; 1308 ibcm_conn_state_t old_state; 1309 1310 IBTF_DPRINTF_L4(cmlog, "ibt_close_rc_channel: " 1311 "chan 0x%p connection aborted in state %x", channel, 1312 statep->state); 1313 1314 old_state = statep->state; 1315 statep->state = IBCM_STATE_DELETE; 1316 1317 if (mode == IBT_NONBLOCKING) { 1318 if (taskq_dispatch(ibcm_taskq, 1319 ibcm_process_abort_via_taskq, statep, 1320 TQ_NOSLEEP) == 0) { 1321 1322 IBCM_REF_CNT_DECR(statep); 1323 statep->state = old_state; 1324 mutex_exit(&statep->state_mutex); 1325 return (IBT_INSUFF_KERNEL_RESOURCE); 1326 } /* if taskq_dispatch succeeds */ 1327 /* Cancel the timer */ 1328 statep->timerid = 0; 1329 mutex_exit(&statep->state_mutex); 1330 } else { 1331 /* Cancel the timer */ 1332 statep->timerid = 0; 1333 mutex_exit(&statep->state_mutex); 1334 (void) taskq_dispatch(ibcm_taskq, 1335 ibcm_process_abort_via_taskq, statep, 1336 TQ_SLEEP); 1337 } 1338 1339 /* cancel the currently running timer */ 1340 if (timer_val != 0) 1341 (void) untimeout(timer_val); 1342 1343 /* wait until cm handler returns for BLOCKING cases */ 1344 if ((mode == IBT_BLOCKING) || 1345 (mode == IBT_NOCALLBACKS)) { 1346 mutex_enter(&statep->state_mutex); 1347 while (statep->close_done != B_TRUE) 1348 cv_wait(&statep->block_client_cv, 1349 &statep->state_mutex); 1350 mutex_exit(&statep->state_mutex); 1351 } 1352 1353 if (ret_status) 1354 *ret_status = IBT_CM_CLOSED_ABORT; 1355 1356 /* 1357 * It would ideal to post a REJ MAD, but that would 1358 * be non-conformance to spec. Hence, delete the state 1359 * data. Assuming that happens quickly, any retransmits 1360 * from the remote are replied by CM with reject 1361 * reason " no valid com id". That would stop remote 1362 * sending any more MADs. 1363 */ 1364 ibcm_delete_state_data(statep); 1365 return (IBT_SUCCESS); 1366 1367 /* if CM busy in cm handler, wait until cm handler returns */ 1368 } else if (statep->state == IBCM_STATE_REQ_RCVD || 1369 statep->state == IBCM_STATE_REP_RCVD || 1370 statep->state == IBCM_STATE_MRA_SENT || 1371 statep->state == IBCM_STATE_MRA_REP_SENT) { 1372 1373 /* take control of statep */ 1374 statep->abort_flag |= IBCM_ABORT_CLIENT; 1375 1376 IBTF_DPRINTF_L4(cmlog, "ibt_close_rc_channel: " 1377 "chan 0x%p connection aborted in state = %x", 1378 channel, statep->state); 1379 1380 /* 1381 * wait until state machine modifies qp state to error, 1382 * including disassociating statep and QP 1383 */ 1384 if ((mode == IBT_BLOCKING) || (mode == IBT_NOCALLBACKS)) 1385 while (statep->close_done != B_TRUE) 1386 cv_wait(&statep->block_client_cv, 1387 &statep->state_mutex); 1388 1389 /* a sanity setting */ 1390 if (mode == IBT_NOCALLBACKS) 1391 statep->cm_handler = NULL; 1392 IBCM_REF_CNT_DECR(statep); 1393 mutex_exit(&statep->state_mutex); 1394 1395 /* 1396 * In rare situations, connection attempt could be 1397 * terminated for some other reason, before abort is 1398 * processed, but CM still returns ret_status as abort 1399 */ 1400 if (ret_status) 1401 *ret_status = IBT_CM_CLOSED_ABORT; 1402 1403 /* 1404 * REJ MAD is posted by the CM state machine for this 1405 * case, hence state structure is deleted in the 1406 * state machine processing. 1407 */ 1408 return (IBT_SUCCESS); 1409 1410 } else if ((statep->state == IBCM_STATE_TIMEWAIT) || 1411 (statep->state == IBCM_STATE_DELETE)) { 1412 1413 /* State already in timewait, so no return priv data */ 1414 IBCM_REF_CNT_DECR(statep); 1415 mutex_exit(&statep->state_mutex); 1416 1417 /* The teardown has already been done */ 1418 if (ret_status) 1419 *ret_status = IBT_CM_CLOSED_ALREADY; 1420 1421 return (IBT_SUCCESS); 1422 1423 } else if ((statep->state == IBCM_STATE_DREQ_RCVD) || 1424 (statep->state == IBCM_STATE_DREQ_SENT) || 1425 (statep->state == IBCM_STATE_DREP_RCVD) || 1426 ((statep->state == IBCM_STATE_TIMED_OUT) && 1427 (statep->timedout_state == IBCM_STATE_DREQ_SENT))) { 1428 1429 /* 1430 * Either the remote or local client has already 1431 * initiated the teardown. IBCM_STATE_DREP_RCVD is 1432 * possible, if CM initiated teardown without client's 1433 * knowledge, for stale handling, etc., 1434 */ 1435 if (mode == IBT_NOCALLBACKS) { 1436 if (statep->close_nocb_state == IBCM_UNBLOCK) { 1437 statep->close_nocb_state = IBCM_FAIL; 1438 /* enable free qp after return */ 1439 ibtl_cm_chan_is_closing( 1440 statep->channel); 1441 } else while (statep->close_nocb_state == 1442 IBCM_BLOCK) 1443 cv_wait(&statep->block_client_cv, 1444 &statep->state_mutex); 1445 statep->cm_handler = NULL; /* sanity setting */ 1446 if (ret_status) 1447 *ret_status = IBT_CM_CLOSED_ALREADY; 1448 } else if (mode == IBT_BLOCKING) { 1449 /* wait until state is moved to timewait */ 1450 while (statep->close_done != B_TRUE) 1451 cv_wait(&statep->block_client_cv, 1452 &statep->state_mutex); 1453 } 1454 1455 IBCM_REF_CNT_DECR(statep); 1456 mutex_exit(&statep->state_mutex); 1457 1458 /* ret_status is set in state machine code */ 1459 return (IBT_SUCCESS); 1460 1461 } else if (statep->state == IBCM_STATE_TIMED_OUT) { 1462 1463 if ((mode == IBT_BLOCKING) || 1464 (mode == IBT_NOCALLBACKS)) { 1465 1466 /* 1467 * wait until cm handler invocation and 1468 * disassociation between statep and channel 1469 * is complete 1470 */ 1471 while (statep->close_done != B_TRUE) 1472 cv_wait(&statep->block_client_cv, 1473 &statep->state_mutex); 1474 } 1475 1476 if (ret_status) 1477 *ret_status = IBT_CM_CLOSED_ABORT; 1478 IBCM_REF_CNT_DECR(statep); 1479 mutex_exit(&statep->state_mutex); 1480 1481 return (IBT_SUCCESS); 1482 } else { 1483 IBCM_REF_CNT_DECR(statep); 1484 mutex_exit(&statep->state_mutex); 1485 1486 return (IBT_CM_FAILURE); 1487 } 1488 } 1489 1490 ASSERT(statep->close_nocb_state != IBCM_BLOCK); 1491 1492 if (mode == IBT_NOCALLBACKS) { 1493 statep->close_nocb_state = IBCM_FAIL; 1494 statep->cm_handler = NULL; 1495 ibtl_cm_chan_is_closing(statep->channel); 1496 IBTF_DPRINTF_L4(cmlog, "ibt_close_rc_channel: " 1497 "NOCALLBACKS on in statep = %p", statep); 1498 } 1499 1500 statep->state = IBCM_STATE_TRANSIENT_DREQ_SENT; 1501 statep->timerid = 0; 1502 statep->close_done = B_FALSE; 1503 statep->close_flow = 1; 1504 1505 /* 1506 * Cancel/wait for any pending ibt_set_alt_path, and 1507 * release state mutex 1508 */ 1509 ibcm_sync_lapr_idle(statep); 1510 1511 ibcm_close_flow_control_enter(); 1512 if (statep->dreq_msg == NULL) { 1513 if ((status = ibcm_alloc_out_msg( 1514 statep->stored_reply_addr.ibmf_hdl, &statep->dreq_msg, 1515 MAD_METHOD_SEND)) != IBT_SUCCESS) { 1516 1517 IBTF_DPRINTF_L2(cmlog, "ibt_close_rc_channel: " 1518 "chan 0x%p ibcm_alloc_out_msg failed ", channel); 1519 mutex_enter(&statep->state_mutex); 1520 statep->state = IBCM_STATE_ESTABLISHED; 1521 IBCM_REF_CNT_DECR(statep); 1522 cv_broadcast(&statep->block_mad_cv); 1523 mutex_exit(&statep->state_mutex); 1524 return (status); 1525 } 1526 } else 1527 IBTF_DPRINTF_L3(cmlog, "ibt_close_rc_channel:" 1528 "DREQ MAD already allocated in statep %p", statep); 1529 1530 if ((ret_priv_data == NULL) || (ret_priv_data_len_p == NULL)) { 1531 statep->close_priv_data = NULL; 1532 statep->close_priv_data_len = NULL; 1533 } else { 1534 statep->close_priv_data = ret_priv_data; 1535 statep->close_priv_data_len = ret_priv_data_len_p; 1536 } 1537 1538 priv_data_len = min(priv_data_len, IBT_DREQ_PRIV_DATA_SZ); 1539 if ((priv_data != NULL) && (priv_data_len > 0)) 1540 bcopy(priv_data, ((ibcm_dreq_msg_t *) 1541 IBCM_OUT_MSGP(statep->dreq_msg))->dreq_private_data, 1542 priv_data_len); 1543 1544 /* statep mutex not held while posting the MAD */ 1545 if (mode == IBT_NONBLOCKING) { 1546 if (taskq_dispatch(ibcm_taskq, ibcm_post_dreq_mad, statep, 1547 TQ_NOSLEEP) == 0) { 1548 mutex_enter(&statep->state_mutex); 1549 statep->state = IBCM_STATE_ESTABLISHED; 1550 IBCM_REF_CNT_DECR(statep); 1551 cv_broadcast(&statep->block_mad_cv); 1552 mutex_exit(&statep->state_mutex); 1553 return (IBT_INSUFF_KERNEL_RESOURCE); 1554 } 1555 } else { 1556 ibcm_post_dreq_mad(statep); 1557 } 1558 1559 mutex_enter(&statep->state_mutex); 1560 1561 if (mode == IBT_BLOCKING) { 1562 1563 /* wait for DREP */ 1564 while (statep->close_done != B_TRUE) 1565 cv_wait(&statep->block_client_cv, 1566 &statep->state_mutex); 1567 1568 IBTF_DPRINTF_L4(cmlog, "ibt_close_rc_channel: chan 0x%p " 1569 "done blocking", channel); 1570 } 1571 1572 IBCM_REF_CNT_DECR(statep); 1573 mutex_exit(&statep->state_mutex); 1574 1575 /* If this message isn't seen then ibt_close_rc_channel failed */ 1576 IBTF_DPRINTF_L5(cmlog, "ibt_close_rc_channel: chan 0x%p done", 1577 channel); 1578 1579 return (IBT_SUCCESS); 1580 } 1581 1582 ibt_status_t 1583 ibt_recycle_rc(ibt_channel_hdl_t rc_chan, ibt_cep_flags_t control, 1584 uint8_t hca_port_num, ibt_recycle_handler_t func, void *arg) 1585 { 1586 ibcm_state_data_t *statep; 1587 ibcm_taskq_recycle_arg_t *ibcm_tq_recycle_arg; 1588 ibt_qp_query_attr_t qp_attr; 1589 ibt_status_t retval; 1590 1591 IBTF_DPRINTF_L3(cmlog, "ibt_recycle_rc (%p, 0x%X, %d, %p, %p)", rc_chan, 1592 control, hca_port_num, func, arg); 1593 1594 if (IBCM_INVALID_CHANNEL(rc_chan)) { 1595 IBTF_DPRINTF_L2(cmlog, "ibt_recycle_rc: invalid channel"); 1596 return (IBT_CHAN_HDL_INVALID); 1597 } 1598 1599 /* check qp state */ 1600 retval = ibt_query_qp(rc_chan, &qp_attr); 1601 1602 if (retval != IBT_SUCCESS) 1603 return (retval); 1604 1605 if (qp_attr.qp_info.qp_trans != IBT_RC_SRV) 1606 return (IBT_CHAN_SRV_TYPE_INVALID); 1607 1608 if (qp_attr.qp_info.qp_state != IBT_STATE_ERROR) 1609 return (IBT_CHAN_STATE_INVALID); 1610 1611 _NOTE(NOW_INVISIBLE_TO_OTHER_THREADS(*ibcm_tq_recycle_arg)) 1612 1613 ibcm_tq_recycle_arg = kmem_alloc(sizeof (ibcm_taskq_recycle_arg_t), 1614 KM_SLEEP); 1615 1616 ibcm_tq_recycle_arg->rc_chan = rc_chan; 1617 ibcm_tq_recycle_arg->control = control; 1618 ibcm_tq_recycle_arg->hca_port_num = hca_port_num; 1619 ibcm_tq_recycle_arg->func = func; 1620 ibcm_tq_recycle_arg->arg = arg; 1621 1622 _NOTE(NOW_VISIBLE_TO_OTHER_THREADS(*ibcm_tq_recycle_arg)) 1623 1624 IBCM_GET_CHAN_PRIVATE(rc_chan, statep); 1625 1626 /* 1627 * If non-blocking ie., func specified and channel has not yet completed 1628 * the timewait, then schedule the work for later 1629 */ 1630 if ((func != NULL) && (statep != NULL)) { 1631 IBCM_RELEASE_CHAN_PRIVATE(rc_chan); 1632 _NOTE(NOW_INVISIBLE_TO_OTHER_THREADS(statep->recycle_arg)) 1633 statep->recycle_arg = ibcm_tq_recycle_arg; 1634 _NOTE(NOW_VISIBLE_TO_OTHER_THREADS(statep->recycle_arg)) 1635 return (IBT_SUCCESS); 1636 } 1637 1638 /* 1639 * if blocking ie., func specified, and channel has not yet completed 1640 * the timewait, then block until the channel completes the timewait 1641 */ 1642 if (statep != NULL) 1643 IBCM_RELEASE_CHAN_PRIVATE(rc_chan); 1644 IBCM_WAIT_CHAN_PRIVATE(rc_chan); 1645 1646 if (func) { /* NON BLOCKING case. Taskq for QP state change */ 1647 (void) taskq_dispatch(ibcm_taskq, ibcm_process_rc_recycle, 1648 ibcm_tq_recycle_arg, TQ_SLEEP); 1649 return (IBT_SUCCESS); 1650 } else /* BLOCKING case */ 1651 return (ibcm_process_rc_recycle_ret(ibcm_tq_recycle_arg)); 1652 } 1653 1654 void 1655 ibcm_process_rc_recycle(void *recycle_arg) 1656 { 1657 (void) ibcm_process_rc_recycle_ret(recycle_arg); 1658 } 1659 1660 static ibt_status_t 1661 ibcm_process_rc_recycle_ret(void *recycle_arg) 1662 { 1663 ibt_qp_info_t qp_info; 1664 ibt_status_t ibt_status = IBT_SUCCESS; 1665 ibt_cep_modify_flags_t cep_flags; 1666 ibt_qp_query_attr_t qp_attr; 1667 ibcm_taskq_recycle_arg_t *ibcm_tq_recycle_arg = 1668 (ibcm_taskq_recycle_arg_t *)recycle_arg; 1669 1670 /* QP must have been in error state */ 1671 ibt_status = ibt_query_qp(ibcm_tq_recycle_arg->rc_chan, &qp_attr); 1672 if (ibt_status != IBT_SUCCESS) 1673 IBTF_DPRINTF_L2(cmlog, "ibcm_process_rc_recycle_ret: " 1674 "chanp %p ibt_query_qp() = %d", 1675 ibcm_tq_recycle_arg->rc_chan, ibt_status); 1676 else { 1677 /* perform the QP state change from ERROR to RESET */ 1678 bzero(&qp_info, sizeof (qp_info)); 1679 1680 qp_info.qp_trans = IBT_RC_SRV; 1681 qp_info.qp_state = IBT_STATE_RESET; 1682 1683 /* Call modify_qp to move to RESET state */ 1684 ibt_status = ibt_modify_qp(ibcm_tq_recycle_arg->rc_chan, 1685 IBT_CEP_SET_STATE, &qp_info, NULL); 1686 1687 if (ibt_status != IBT_SUCCESS) 1688 IBTF_DPRINTF_L2(cmlog, "ibcm_process_rc_recycle_ret: " 1689 "chanp %p ibt_modify_qp() = %d for ERROR to RESET", 1690 ibcm_tq_recycle_arg->rc_chan, ibt_status); 1691 } 1692 1693 if (ibt_status == IBT_SUCCESS) { 1694 1695 qp_info.qp_state = IBT_STATE_INIT; 1696 1697 /* set flags for all mandatory args from RESET to INIT */ 1698 cep_flags = IBT_CEP_SET_STATE | IBT_CEP_SET_PORT; 1699 cep_flags |= IBT_CEP_SET_RDMA_R | IBT_CEP_SET_RDMA_W; 1700 cep_flags |= IBT_CEP_SET_ATOMIC; 1701 1702 qp_info.qp_transport.rc.rc_path.cep_hca_port_num = 1703 ibcm_tq_recycle_arg->hca_port_num; 1704 qp_info.qp_flags |= 1705 ibcm_tq_recycle_arg->control & IBT_CEP_RDMA_RD; 1706 qp_info.qp_flags |= 1707 ibcm_tq_recycle_arg->control & IBT_CEP_RDMA_WR; 1708 qp_info.qp_flags |= 1709 ibcm_tq_recycle_arg->control & IBT_CEP_ATOMIC; 1710 1711 /* Always use the existing pkey */ 1712 qp_info.qp_transport.rc.rc_path.cep_pkey_ix = 1713 qp_attr. qp_info.qp_transport.rc.rc_path.cep_pkey_ix; 1714 1715 /* Call modify_qp to move to INIT state */ 1716 ibt_status = ibt_modify_qp(ibcm_tq_recycle_arg->rc_chan, 1717 cep_flags, &qp_info, NULL); 1718 1719 if (ibt_status != IBT_SUCCESS) 1720 IBTF_DPRINTF_L2(cmlog, "ibcm_process_rc_recycle_ret: " 1721 "chanp %p ibt_modify_qp() = %d for RESET to INIT", 1722 ibcm_tq_recycle_arg->rc_chan, ibt_status); 1723 } 1724 1725 /* Change the QP CM state to indicate QP being re-used */ 1726 if (ibt_status == IBT_SUCCESS) 1727 ibtl_cm_chan_is_reused(ibcm_tq_recycle_arg->rc_chan); 1728 1729 /* Call func, if defined */ 1730 if (ibcm_tq_recycle_arg->func) 1731 (*(ibcm_tq_recycle_arg->func))(ibt_status, 1732 ibcm_tq_recycle_arg->arg); 1733 1734 kmem_free(ibcm_tq_recycle_arg, sizeof (ibcm_taskq_recycle_arg_t)); 1735 1736 return (ibt_status); 1737 } 1738 1739 static void 1740 ibcm_process_abort_via_taskq(void *args) 1741 { 1742 ibcm_state_data_t *statep = (ibcm_state_data_t *)args; 1743 1744 ibcm_process_abort(statep); 1745 mutex_enter(&statep->state_mutex); 1746 IBCM_REF_CNT_DECR(statep); 1747 mutex_exit(&statep->state_mutex); 1748 } 1749 1750 /* 1751 * Local UD CM Handler's private data, used during ibt_request_ud_dest() in 1752 * Non-Blocking mode operations. 1753 */ 1754 typedef struct ibcm_local_handler_s { 1755 ibt_cm_ud_handler_t actual_cm_handler; 1756 void *actual_cm_private; 1757 ibt_ud_dest_t *dest_hdl; 1758 } ibcm_local_handler_t; 1759 1760 _NOTE(READ_ONLY_DATA(ibcm_local_handler_s)) 1761 1762 /* 1763 * Local UD CM Handler, used when ibt_alloc_ud_dest() is issued in 1764 * NON-Blocking mode. 1765 * 1766 * Out here, we update the UD Destination handle with 1767 * the obtained DQPN and QKey (from SIDR REP) and invokes actual client 1768 * handler that was specified by the client. 1769 */ 1770 static ibt_cm_status_t 1771 ibcm_local_cm_handler(void *priv, ibt_cm_ud_event_t *event, 1772 ibt_cm_ud_return_args_t *ret_args, void *priv_data, ibt_priv_data_len_t len) 1773 { 1774 ibcm_local_handler_t *handler_priv = (ibcm_local_handler_t *)priv; 1775 1776 IBTF_DPRINTF_L4(cmlog, "ibcm_local_cm_handler: event %d", 1777 event->cm_type); 1778 1779 ASSERT(handler_priv != NULL); 1780 1781 switch (event->cm_type) { 1782 case IBT_CM_UD_EVENT_SIDR_REP: 1783 /* Update QPN & QKey from event into destination handle. */ 1784 if (handler_priv->dest_hdl != NULL) { 1785 handler_priv->dest_hdl->ud_dst_qpn = 1786 event->cm_event.sidr_rep.srep_remote_qpn; 1787 handler_priv->dest_hdl->ud_qkey = 1788 event->cm_event.sidr_rep.srep_remote_qkey; 1789 } 1790 1791 /* Invoke the client handler - inform only, so ignore retval */ 1792 (void) handler_priv->actual_cm_handler( 1793 handler_priv->actual_cm_private, event, ret_args, priv_data, 1794 len); 1795 1796 /* Free memory allocated for local handler's private data. */ 1797 if (handler_priv != NULL) 1798 kmem_free(handler_priv, sizeof (*handler_priv)); 1799 1800 break; 1801 default: 1802 IBTF_DPRINTF_L2(cmlog, "ibcm_local_cm_handler: ERROR"); 1803 break; 1804 } 1805 1806 return (IBT_CM_ACCEPT); 1807 } 1808 1809 1810 /* Validate the input UD destination attributes. */ 1811 static ibt_status_t 1812 ibcm_validate_dqpn_data(ibt_ud_dest_attr_t *attr, ibt_execution_mode_t mode, 1813 ibt_ud_returns_t *ret_args) 1814 { 1815 /* cm handler must always be specified */ 1816 if (mode == IBT_NONBLOCKING && attr->ud_cm_handler == NULL) { 1817 IBTF_DPRINTF_L2(cmlog, "ibcm_validate_dqpn_data: " 1818 "CM handler is not specified "); 1819 return (IBT_INVALID_PARAM); 1820 } 1821 1822 if (mode == IBT_NONBLOCKING) { 1823 if (ret_args != NULL) { 1824 IBTF_DPRINTF_L2(cmlog, "ibcm_validate_dqpn_data: " 1825 "ret_args should be NULL when called in " 1826 "non-blocking mode"); 1827 return (IBT_INVALID_PARAM); 1828 } 1829 } else if (mode == IBT_BLOCKING) { 1830 if (ret_args == NULL) { 1831 IBTF_DPRINTF_L2(cmlog, "ibcm_validate_dqpn_data: " 1832 "ret_args should be Non-NULL when called in " 1833 "blocking mode"); 1834 return (IBT_INVALID_PARAM); 1835 } 1836 } else { 1837 IBTF_DPRINTF_L2(cmlog, "ibcm_validate_dqpn_data: " 1838 "invalid mode %x specified ", mode); 1839 return (IBT_INVALID_PARAM); 1840 } 1841 1842 if (attr->ud_sid == 0) { 1843 IBTF_DPRINTF_L2(cmlog, "ibcm_validate_dqpn_data: " 1844 "ServiceID must be specified. "); 1845 return (IBT_INVALID_PARAM); 1846 } 1847 1848 if (attr->ud_addr == NULL) { 1849 IBTF_DPRINTF_L2(cmlog, "ibcm_validate_dqpn_data: " 1850 "Address Info NULL"); 1851 return (IBT_INVALID_PARAM); 1852 } 1853 1854 /* Validate SGID */ 1855 if ((attr->ud_addr->av_sgid.gid_prefix == 0) || 1856 (attr->ud_addr->av_sgid.gid_guid == 0)) { 1857 IBTF_DPRINTF_L2(cmlog, "ibcm_validate_dqpn_data: Invalid SGID"); 1858 return (IBT_INVALID_PARAM); 1859 } 1860 IBTF_DPRINTF_L3(cmlog, "ibcm_validate_dqpn_data: SGID<%llX:%llX>", 1861 attr->ud_addr->av_sgid.gid_prefix, 1862 attr->ud_addr->av_sgid.gid_guid); 1863 1864 /* Validate DGID */ 1865 if ((attr->ud_addr->av_dgid.gid_prefix == 0) || 1866 (attr->ud_addr->av_dgid.gid_guid == 0)) { 1867 IBTF_DPRINTF_L2(cmlog, "ibcm_validate_dqpn_data: Invalid DGID"); 1868 return (IBT_INVALID_PARAM); 1869 } 1870 IBTF_DPRINTF_L3(cmlog, "ibcm_validate_dqpn_data: DGID<%llX:%llX>", 1871 attr->ud_addr->av_dgid.gid_prefix, 1872 attr->ud_addr->av_dgid.gid_guid); 1873 1874 return (IBT_SUCCESS); 1875 } 1876 1877 1878 /* Perform SIDR to retrieve DQPN and QKey. */ 1879 static ibt_status_t 1880 ibcm_ud_get_dqpn(ibt_ud_dest_attr_t *attr, ibt_execution_mode_t mode, 1881 ibt_ud_returns_t *ret_args) 1882 { 1883 ibt_status_t retval; 1884 ib_pkey_t ud_pkey; 1885 ibmf_handle_t ibmf_hdl; 1886 ibmf_msg_t *ibmf_msg; 1887 ibcm_hca_info_t *hcap; 1888 ibcm_sidr_req_msg_t *sidr_req_msgp; 1889 ibcm_ud_state_data_t *ud_statep; 1890 ibtl_cm_hca_port_t port; 1891 ibcm_sidr_srch_t sidr_entry; 1892 ibcm_qp_list_t *cm_qp_entry; 1893 1894 /* Retrieve HCA GUID value from the available SGID info. */ 1895 retval = ibtl_cm_get_hca_port(attr->ud_addr->av_sgid, 0, &port); 1896 if ((retval != IBT_SUCCESS) || (port.hp_port == 0)) { 1897 IBTF_DPRINTF_L2(cmlog, "ibcm_ud_get_dqpn: " 1898 "ibtl_cm_get_hca_port failed: %d", retval); 1899 return (retval); 1900 } 1901 1902 IBTF_DPRINTF_L4(cmlog, "ibcm_ud_get_dqpn: " 1903 "HCA GUID:%llX, port_num:%d", port.hp_hca_guid, port.hp_port); 1904 1905 /* Lookup the HCA info for this GUID */ 1906 if ((hcap = ibcm_find_hca_entry(port.hp_hca_guid)) == NULL) { 1907 IBTF_DPRINTF_L2(cmlog, "ibcm_ud_get_dqpn: hcap is NULL"); 1908 return (IBT_HCA_INVALID); 1909 } 1910 1911 /* Return failure if the HCA device or Port is not operational */ 1912 1913 if ((retval = ibt_get_port_state_byguid(port.hp_hca_guid, port.hp_port, 1914 NULL, NULL)) != IBT_SUCCESS) { 1915 /* Device Port is not in good state, don't use it. */ 1916 IBTF_DPRINTF_L2(cmlog, "ibcm_ud_get_dqpn: Invalid " 1917 "port specified or port not active"); 1918 ibcm_dec_hca_acc_cnt(hcap); 1919 return (retval); 1920 } 1921 1922 retval = ibt_index2pkey_byguid(port.hp_hca_guid, port.hp_port, 1923 attr->ud_pkey_ix, &ud_pkey); 1924 if (retval != IBT_SUCCESS) { 1925 IBTF_DPRINTF_L2(cmlog, "ibcm_ud_get_dqpn: " 1926 "Failed to convert index2pkey: %d", retval); 1927 ibcm_dec_hca_acc_cnt(hcap); 1928 return (retval); 1929 } 1930 1931 _NOTE(NOW_INVISIBLE_TO_OTHER_THREADS(sidr_entry)) 1932 1933 /* Allocate a new request id */ 1934 if (ibcm_alloc_reqid(hcap, &sidr_entry.srch_req_id) == IBCM_FAILURE) { 1935 IBTF_DPRINTF_L2(cmlog, "ibcm_ud_get_dqpn: " 1936 "no req id available"); 1937 ibcm_dec_hca_acc_cnt(hcap); 1938 return (IBT_INSUFF_KERNEL_RESOURCE); 1939 } 1940 1941 if ((hcap->hca_port_info[port.hp_port - 1].port_ibmf_hdl == NULL) && 1942 ((retval = ibcm_hca_reinit_port(hcap, port.hp_port - 1)) 1943 != IBT_SUCCESS)) { 1944 IBTF_DPRINTF_L2(cmlog, "ibcm_ud_get_dqpn: " 1945 "ibmf reg or callback setup failed during re-initialize"); 1946 return (retval); 1947 } 1948 1949 ibmf_hdl = hcap->hca_port_info[port.hp_port - 1].port_ibmf_hdl; 1950 1951 /* find the ibmf QP to post the SIDR REQ */ 1952 if ((cm_qp_entry = ibcm_find_qp(hcap, port.hp_port, ud_pkey)) == 1953 NULL) { 1954 IBTF_DPRINTF_L2(cmlog, "ibcm_ud_get_dqpn: IBMF QP allocation" 1955 " failed"); 1956 ibcm_dec_hca_acc_cnt(hcap); 1957 return (IBT_INSUFF_RESOURCE); 1958 } 1959 1960 if ((retval = ibcm_alloc_out_msg(ibmf_hdl, &ibmf_msg, MAD_METHOD_SEND)) 1961 != IBT_SUCCESS) { 1962 IBTF_DPRINTF_L2(cmlog, "ibcm_ud_get_dqpn: IBMF MSG allocation" 1963 " failed"); 1964 ibcm_release_qp(cm_qp_entry); 1965 ibcm_dec_hca_acc_cnt(hcap); 1966 return (retval); 1967 } 1968 1969 sidr_entry.srch_lid = port.hp_base_lid; 1970 sidr_entry.srch_gid = attr->ud_addr->av_sgid; 1971 sidr_entry.srch_grh_exists = attr->ud_addr->av_send_grh; 1972 sidr_entry.srch_mode = IBCM_ACTIVE_MODE; 1973 1974 _NOTE(NOW_VISIBLE_TO_OTHER_THREADS(sidr_entry)) 1975 1976 /* do various allocations needed here */ 1977 rw_enter(&hcap->hca_sidr_list_lock, RW_WRITER); 1978 1979 (void) ibcm_find_sidr_entry(&sidr_entry, hcap, &ud_statep, 1980 IBCM_FLAG_ADD); 1981 rw_exit(&hcap->hca_sidr_list_lock); 1982 1983 /* Increment hca's resource count */ 1984 ibcm_inc_hca_res_cnt(hcap); 1985 1986 /* After a resource created on hca, no need to hold the acc cnt */ 1987 ibcm_dec_hca_acc_cnt(hcap); 1988 1989 _NOTE(NOW_INVISIBLE_TO_OTHER_THREADS(*ud_statep)) 1990 1991 /* Initialize some ud_statep fields */ 1992 ud_statep->ud_stored_msg = ibmf_msg; 1993 ud_statep->ud_svc_id = attr->ud_sid; 1994 ud_statep->ud_pkt_life_time = 1995 ibt_ib2usec(attr->ud_pkt_lt); 1996 ud_statep->ud_stored_reply_addr.cm_qp_entry = cm_qp_entry; 1997 1998 /* set remaining retry cnt */ 1999 ud_statep->ud_remaining_retry_cnt = ud_statep->ud_max_cm_retries; 2000 2001 /* 2002 * Get UD handler and corresponding args which is pass it back 2003 * as first argument for the handler. 2004 */ 2005 ud_statep->ud_state_cm_private = attr->ud_cm_private; 2006 2007 if (mode == IBT_BLOCKING) 2008 ud_statep->ud_return_data = ret_args; 2009 else 2010 ud_statep->ud_cm_handler = attr->ud_cm_handler; 2011 2012 /* Initialize the fields of ud_statep->ud_stored_reply_addr */ 2013 ud_statep->ud_stored_reply_addr.grh_exists = attr->ud_addr->av_send_grh; 2014 ud_statep->ud_stored_reply_addr.ibmf_hdl = ibmf_hdl; 2015 ud_statep->ud_stored_reply_addr.grh_hdr.ig_hop_limit = 2016 attr->ud_addr->av_hop; 2017 ud_statep->ud_stored_reply_addr.grh_hdr.ig_sender_gid = 2018 attr->ud_addr->av_sgid; 2019 ud_statep->ud_stored_reply_addr.grh_hdr.ig_recver_gid = 2020 attr->ud_addr->av_dgid; 2021 ud_statep->ud_stored_reply_addr.grh_hdr.ig_tclass = 2022 attr->ud_addr->av_tclass; 2023 ud_statep->ud_stored_reply_addr.grh_hdr.ig_flow_label = 2024 attr->ud_addr->av_flow & IB_GRH_FLOW_LABEL_MASK; 2025 2026 /* needs to be derived based on the base LID and path bits */ 2027 ud_statep->ud_stored_reply_addr.rcvd_addr.ia_local_lid = 2028 port.hp_base_lid; 2029 ud_statep->ud_stored_reply_addr.rcvd_addr.ia_remote_lid = 2030 attr->ud_addr->av_dlid; 2031 ud_statep->ud_stored_reply_addr.rcvd_addr.ia_p_key = ud_pkey; 2032 ud_statep->ud_stored_reply_addr.rcvd_addr.ia_q_key = IB_GSI_QKEY; 2033 ud_statep->ud_stored_reply_addr.rcvd_addr.ia_service_level = 2034 attr->ud_addr->av_srvl; 2035 2036 /* 2037 * This may be enchanced later, to use a remote qno based on past 2038 * redirect rej mad responses. This would be the place to specify 2039 * appropriate remote qno 2040 */ 2041 ud_statep->ud_stored_reply_addr.rcvd_addr.ia_remote_qno = 1; 2042 2043 _NOTE(NOW_INVISIBLE_TO_OTHER_THREADS(*sidr_req_msgp)) 2044 2045 /* Initialize the SIDR REQ message fields */ 2046 sidr_req_msgp = 2047 (ibcm_sidr_req_msg_t *)IBCM_OUT_MSGP(ud_statep->ud_stored_msg); 2048 2049 sidr_req_msgp->sidr_req_request_id = h2b32(ud_statep->ud_req_id); 2050 sidr_req_msgp->sidr_req_service_id = h2b64(attr->ud_sid); 2051 sidr_req_msgp->sidr_req_pkey = h2b16(ud_pkey); 2052 IBCM_OUT_HDRP(ud_statep->ud_stored_msg)->AttributeID = 2053 h2b16(IBCM_INCOMING_SIDR_REQ + IBCM_ATTR_BASE_ID); 2054 2055 if ((attr->ud_priv_data != NULL) && (attr->ud_priv_data_len > 0)) { 2056 bcopy(attr->ud_priv_data, sidr_req_msgp->sidr_req_private_data, 2057 min(attr->ud_priv_data_len, IBT_SIDR_REQ_PRIV_DATA_SZ)); 2058 } 2059 2060 /* Send out the SIDR REQ message */ 2061 ud_statep->ud_state = IBCM_STATE_SIDR_REQ_SENT; 2062 ud_statep->ud_timer_stored_state = IBCM_STATE_SIDR_REQ_SENT; 2063 IBCM_UD_REF_CNT_INCR(ud_statep); /* for non-blocking SIDR REQ post */ 2064 ud_statep->ud_timer_value = ibt_ib2usec(ibcm_max_sidr_rep_proctime) + 2065 (ud_statep->ud_pkt_life_time * 2); 2066 2067 IBCM_OUT_HDRP(ud_statep->ud_stored_msg)->TransactionID = 2068 h2b64(ibcm_generate_tranid(IBCM_INCOMING_SIDR_REQ, 2069 ud_statep->ud_req_id, 0)); 2070 2071 IBTF_DPRINTF_L4(cmlog, "ibcm_ud_get_dqpn: timer_value in HZ = %x", 2072 ud_statep->ud_timer_value); 2073 2074 _NOTE(NOW_VISIBLE_TO_OTHER_THREADS(*ud_statep)) 2075 _NOTE(NOW_VISIBLE_TO_OTHER_THREADS(*sidr_req_msgp)) 2076 2077 ibcm_post_ud_mad(ud_statep, ud_statep->ud_stored_msg, 2078 ibcm_post_sidr_req_complete, ud_statep); 2079 2080 mutex_enter(&ud_statep->ud_state_mutex); 2081 2082 /* Wait for SIDR_REP */ 2083 if (mode == IBT_BLOCKING) { 2084 IBTF_DPRINTF_L4(cmlog, "ibcm_ud_get_dqpn: blocking"); 2085 2086 while (ud_statep->ud_blocking_done != B_TRUE) { 2087 cv_wait(&ud_statep->ud_block_client_cv, 2088 &ud_statep->ud_state_mutex); 2089 } 2090 2091 IBTF_DPRINTF_L4(cmlog, "ibcm_ud_get_dqpn: finished blocking"); 2092 2093 if (ret_args->ud_status == IBT_CM_SREP_QPN_VALID) { 2094 IBTF_DPRINTF_L4(cmlog, "ibcm_ud_get_dqpn: DQPN = %x, " 2095 "status = %x, QKey = %x", ret_args->ud_dqpn, 2096 ret_args->ud_status, ret_args->ud_qkey); 2097 2098 } else { 2099 IBTF_DPRINTF_L4(cmlog, "ibcm_ud_get_dqpn: Status<%x>", 2100 ret_args->ud_status); 2101 retval = IBT_CM_FAILURE; 2102 } 2103 } 2104 2105 IBCM_UD_REF_CNT_DECR(ud_statep); 2106 mutex_exit(&ud_statep->ud_state_mutex); 2107 2108 IBTF_DPRINTF_L4(cmlog, "ibcm_ud_get_dqpn: done"); 2109 2110 return (retval); 2111 } 2112 2113 2114 /* 2115 * Function: 2116 * ibt_request_ud_dest 2117 * Input: 2118 * ud_dest A previously allocated UD destination handle. 2119 * mode This function can execute in blocking or non blocking 2120 * modes. 2121 * attr UD destination attributes to be modified. 2122 * Output: 2123 * ud_ret_args If the function is called in blocking mode, ud_ret_args 2124 * should be a pointer to an ibt_ud_returns_t struct. 2125 * Returns: 2126 * IBT_SUCCESS 2127 * Description: 2128 * Modify a previously allocated UD destination handle based on the 2129 * results of doing the SIDR protocol. 2130 */ 2131 ibt_status_t 2132 ibt_request_ud_dest(ibt_ud_dest_hdl_t ud_dest, ibt_execution_mode_t mode, 2133 ibt_ud_dest_attr_t *attr, ibt_ud_returns_t *ud_ret_args) 2134 { 2135 ibt_status_t retval; 2136 ibt_ud_dest_t *ud_destp; 2137 ibcm_local_handler_t *local_handler_priv = NULL; 2138 2139 IBTF_DPRINTF_L3(cmlog, "ibt_request_ud_dest(%p, %x, %p, %p)", 2140 ud_dest, mode, attr, ud_ret_args); 2141 2142 retval = ibcm_validate_dqpn_data(attr, mode, ud_ret_args); 2143 if (retval != IBT_SUCCESS) { 2144 return (retval); 2145 } 2146 2147 ud_destp = ud_dest; 2148 2149 /* Allocate an Address handle. */ 2150 retval = ibt_modify_ah(ud_destp->ud_dest_hca, ud_destp->ud_ah, 2151 attr->ud_addr); 2152 if (retval != IBT_SUCCESS) { 2153 IBTF_DPRINTF_L2(cmlog, "ibt_request_ud_dest: " 2154 "Address Handle Modification failed: %d", retval); 2155 return (retval); 2156 } 2157 2158 if (mode == IBT_NONBLOCKING) { 2159 /* 2160 * In NON-BLOCKING mode, and we need to update the destination 2161 * handle with the DQPN and QKey that are obtained from 2162 * SIDR REP, hook-up our own handler, so that we can catch 2163 * the event, and we ourselves call the actual client's 2164 * ud_cm_handler, in our handler. 2165 */ 2166 2167 /* Allocate memory for local handler's private data. */ 2168 local_handler_priv = 2169 kmem_alloc(sizeof (*local_handler_priv), KM_SLEEP); 2170 2171 _NOTE(NOW_INVISIBLE_TO_OTHER_THREADS(*local_handler_priv)) 2172 2173 local_handler_priv->actual_cm_handler = attr->ud_cm_handler; 2174 local_handler_priv->actual_cm_private = attr->ud_cm_private; 2175 local_handler_priv->dest_hdl = ud_destp; 2176 2177 _NOTE(NOW_VISIBLE_TO_OTHER_THREADS(*local_handler_priv)) 2178 2179 attr->ud_cm_handler = ibcm_local_cm_handler; 2180 attr->ud_cm_private = local_handler_priv; 2181 } 2182 2183 /* In order to get DQPN and Destination QKey, perform SIDR */ 2184 retval = ibcm_ud_get_dqpn(attr, mode, ud_ret_args); 2185 if (retval != IBT_SUCCESS) { 2186 IBTF_DPRINTF_L2(cmlog, "ibt_request_ud_dest: " 2187 "Failed to get DQPN: %d", retval); 2188 2189 /* Free memory allocated for local handler's private data. */ 2190 if (local_handler_priv != NULL) 2191 kmem_free(local_handler_priv, 2192 sizeof (*local_handler_priv)); 2193 return (retval); 2194 } 2195 2196 /* 2197 * Fill in the dqpn and dqkey as obtained from ud_ret_args, 2198 * values will be valid only on BLOCKING mode. 2199 */ 2200 if (mode == IBT_BLOCKING) { 2201 ud_destp->ud_dst_qpn = ud_ret_args->ud_dqpn; 2202 ud_destp->ud_qkey = ud_ret_args->ud_qkey; 2203 } 2204 2205 return (retval); 2206 } 2207 2208 /* 2209 * Function: 2210 * ibt_ud_get_dqpn 2211 * Input: 2212 * attr A pointer to an ibt_ud_dest_attr_t struct that are 2213 * required for SIDR REQ message. Not specified attributes 2214 * should be set to "NULL" or "0". 2215 * ud_sid, ud_addr and ud_pkt_lt must be specified. 2216 * mode This function can execute in blocking or non blocking 2217 * modes. 2218 * Output: 2219 * returns If the function is called in blocking mode, returns 2220 * should be a pointer to an ibt_ud_returns_t struct. 2221 * Return: 2222 * IBT_SUCCESS on success or respective failure on error. 2223 * Description: 2224 * Finds the destination QPN at the specified destination that the 2225 * specified service can be reached on. The IBTF CM initiates the 2226 * service ID resolution protocol (SIDR) to determine a destination QPN. 2227 * 2228 * NOTE: SIDR_REQ is initiated from active side. 2229 */ 2230 ibt_status_t 2231 ibt_ud_get_dqpn(ibt_ud_dest_attr_t *attr, ibt_execution_mode_t mode, 2232 ibt_ud_returns_t *returns) 2233 { 2234 ibt_status_t retval; 2235 2236 IBTF_DPRINTF_L3(cmlog, "ibt_ud_get_dqpn(%p, %x, %p)", 2237 attr, mode, returns); 2238 2239 retval = ibcm_validate_dqpn_data(attr, mode, returns); 2240 if (retval != IBT_SUCCESS) { 2241 return (retval); 2242 } 2243 2244 return (ibcm_ud_get_dqpn(attr, mode, returns)); 2245 } 2246 2247 2248 /* 2249 * ibt_cm_delay: 2250 * A client CM handler function can call this function 2251 * to extend its response time to a CM event. 2252 * INPUTS: 2253 * flags Indicates what CM message processing is being delayed 2254 * by the CM handler, valid values are: 2255 * IBT_CM_DELAY_REQ 2256 * IBT_CM_DELAY_REP 2257 * IBT_CM_DELAY_LAP 2258 * cm_session_id The session ID that was passed to client srv_handler 2259 * by the CM 2260 * service_time The extended service time 2261 * priv_data Vendor specific data to be sent in the CM generated 2262 * MRA message. Should be NULL if not specified. 2263 * len The number of bytes of data specified by priv_data. 2264 * 2265 * RETURN VALUES: 2266 * IBT_SUCCESS on success (or respective failure on error) 2267 */ 2268 ibt_status_t 2269 ibt_cm_delay(ibt_cmdelay_flags_t flags, void *cm_session_id, 2270 clock_t service_time, void *priv_data, ibt_priv_data_len_t len) 2271 { 2272 uint8_t msg_typ = 0; 2273 ibcm_mra_msg_t *mra_msgp; 2274 ibcm_state_data_t *statep; 2275 ibt_status_t status; 2276 2277 IBTF_DPRINTF_L2(cmlog, "ibt_cm_delay(0x%x, %p, 0x%x)", 2278 flags, cm_session_id, service_time); 2279 2280 /* 2281 * Make sure channel is associated with a statep 2282 */ 2283 statep = (ibcm_state_data_t *)cm_session_id; 2284 2285 if (statep == NULL) { 2286 IBTF_DPRINTF_L2(cmlog, "ibt_cm_delay: statep NULL"); 2287 return (IBT_INVALID_PARAM); 2288 } 2289 2290 IBTF_DPRINTF_L4(cmlog, "ibt_cm_delay: statep %p", statep); 2291 2292 /* Allocate an ibmf msg for mra, if not allocated yet */ 2293 if (statep->mra_msg == NULL) { 2294 if ((status = ibcm_alloc_out_msg( 2295 statep->stored_reply_addr.ibmf_hdl, &statep->mra_msg, 2296 MAD_METHOD_SEND)) != IBT_SUCCESS) { 2297 IBTF_DPRINTF_L2(cmlog, "ibt_cm_delay: chan 0x%p" 2298 "IBMF MSG allocation failed", statep->channel); 2299 return (status); 2300 } 2301 } 2302 2303 _NOTE(NOW_INVISIBLE_TO_OTHER_THREADS(*mra_msgp)) 2304 2305 mra_msgp = (ibcm_mra_msg_t *)IBCM_OUT_MSGP(statep->mra_msg); 2306 mra_msgp->mra_local_comm_id = h2b32(statep->local_comid); 2307 mra_msgp->mra_remote_comm_id = h2b32(statep->remote_comid); 2308 2309 /* fill in rest of MRA's fields - Message MRAed and Service Timeout */ 2310 if (flags == IBT_CM_DELAY_REQ) { 2311 msg_typ = IBT_CM_MRA_TYPE_REQ; 2312 } else if (flags == IBT_CM_DELAY_REP) { 2313 msg_typ = IBT_CM_MRA_TYPE_REP; 2314 } else if (flags == IBT_CM_DELAY_LAP) { 2315 msg_typ = IBT_CM_MRA_TYPE_LAP; 2316 } 2317 2318 mra_msgp->mra_message_type_plus = msg_typ << 6; 2319 mra_msgp->mra_service_timeout_plus = ibt_usec2ib(service_time) << 3; 2320 2321 len = min(len, IBT_MRA_PRIV_DATA_SZ); 2322 if (priv_data && (len > 0)) 2323 bcopy(priv_data, mra_msgp->mra_private_data, len); 2324 2325 IBCM_OUT_HDRP(statep->mra_msg)->AttributeID = 2326 h2b16(IBCM_INCOMING_MRA + IBCM_ATTR_BASE_ID); 2327 2328 _NOTE(NOW_VISIBLE_TO_OTHER_THREADS(*mra_msgp)) 2329 2330 mutex_enter(&statep->state_mutex); 2331 2332 if ((statep->mode == IBCM_ACTIVE_MODE) && 2333 (statep->state == IBCM_STATE_REP_RCVD)) { 2334 statep->state = IBCM_STATE_MRA_REP_SENT; 2335 } else if (statep->mode == IBCM_PASSIVE_MODE) { 2336 if (statep->state == IBCM_STATE_REQ_RCVD) { 2337 statep->state = IBCM_STATE_MRA_SENT; 2338 } else if (statep->ap_state == IBCM_AP_STATE_LAP_RCVD) { 2339 statep->ap_state = IBCM_AP_STATE_MRA_LAP_RCVD; 2340 } else { 2341 IBTF_DPRINTF_L2(cmlog, "ibt_cm_delay: invalid state" 2342 "/ap_state/mode %x, %x, %x", statep->state, 2343 statep->ap_state, statep->mode); 2344 mutex_exit(&statep->state_mutex); 2345 return (IBT_CHAN_STATE_INVALID); 2346 } 2347 } else { 2348 IBTF_DPRINTF_L2(cmlog, "ibt_cm_delay: invalid state" 2349 "/ap_state/mode %x, %x, %x", statep->state, 2350 statep->ap_state, statep->mode); 2351 mutex_exit(&statep->state_mutex); 2352 2353 return (IBT_CHAN_STATE_INVALID); 2354 } 2355 /* service time is usecs, stale_clock is nsecs */ 2356 statep->stale_clock += (hrtime_t)service_time * (1000 * 2357 statep->max_cm_retries); 2358 2359 statep->send_mad_flags |= IBCM_MRA_POST_BUSY; 2360 IBCM_REF_CNT_INCR(statep); /* for ibcm_post_mra_complete */ 2361 mutex_exit(&statep->state_mutex); 2362 2363 IBCM_OUT_HDRP(statep->mra_msg)->TransactionID = 2364 IBCM_OUT_HDRP(statep->stored_msg)->TransactionID; 2365 2366 /* post the MRA mad in blocking mode, as no timers involved */ 2367 ibcm_post_rc_mad(statep, statep->mra_msg, ibcm_post_mra_complete, 2368 statep); 2369 2370 /* If this message isn't seen then ibt_cm_delay failed */ 2371 IBTF_DPRINTF_L2(cmlog, "ibt_cm_delay: done !!"); 2372 2373 return (IBT_SUCCESS); 2374 } 2375 2376 2377 /* 2378 * ibt_register_service() 2379 * Register a service with the IBCM 2380 * 2381 * INPUTS: 2382 * ibt_hdl The IBT client handle returned to the client 2383 * on an ibt_attach() call. 2384 * 2385 * srv The address of a ibt_srv_desc_t that describes 2386 * the service, containing the following: 2387 * 2388 * sd_ud_handler The Service CM UD event Handler. 2389 * sd_handler The Service CM RC/UC/RD event Handler. 2390 * sd_flags Service flags (peer-to-peer, or not). 2391 * 2392 * sid This tells CM if the service is local (sid is 0) or 2393 * wellknown (sid is the starting service id of the range). 2394 * 2395 * num_sids The number of contiguous service-ids to reserve. 2396 * 2397 * srv_hdl The address of a service identification handle, used 2398 * to deregister a service, and to bind GIDs to. 2399 * 2400 * ret_sid The address to store the Service ID return value. 2401 * If num_sids > 1, ret_sid is the first Service ID 2402 * in the range. 2403 * 2404 * ibt_register_service() returns: 2405 * IBT_SUCCESS - added a service successfully. 2406 * IBT_INVALID_PARAM - invalid input parameter. 2407 * IBT_CM_FAILURE - failed to add the service. 2408 * IBT_CM_SERVICE_EXISTS - service already exists. 2409 * IBT_INSUFF_KERNEL_RESOURCE - ran out of local service ids (should 2410 * never happen). 2411 */ 2412 ibt_status_t 2413 ibt_register_service(ibt_clnt_hdl_t ibt_hdl, ibt_srv_desc_t *srv, 2414 ib_svc_id_t sid, int num_sids, ibt_srv_hdl_t *srv_hdl, ib_svc_id_t *ret_sid) 2415 { 2416 ibcm_svc_info_t *svcinfop; 2417 2418 IBTF_DPRINTF_L2(cmlog, "ibt_register_service(%p, %p, %llx, %d)", 2419 ibt_hdl, srv, (longlong_t)sid, num_sids); 2420 2421 _NOTE(NOW_INVISIBLE_TO_OTHER_THREADS(*svcinfop)) 2422 2423 *srv_hdl = NULL; 2424 2425 if (num_sids <= 0) { 2426 IBTF_DPRINTF_L2(cmlog, "ibt_register_service: " 2427 "Invalid number of service-ids specified (%d)", num_sids); 2428 return (IBT_INVALID_PARAM); 2429 } 2430 2431 if (sid == 0) { 2432 if (ret_sid == NULL) 2433 return (IBT_INVALID_PARAM); 2434 sid = ibcm_alloc_local_sids(num_sids); 2435 if (sid == 0) 2436 return (IBT_INSUFF_KERNEL_RESOURCE); 2437 2438 /* Make sure that the ServiceId specified is not of LOCAL AGN type. */ 2439 } else if ((sid & IB_SID_AGN_MASK) == IB_SID_AGN_LOCAL) { 2440 IBTF_DPRINTF_L2(cmlog, "ibt_register_service: " 2441 "Invalid non-LOCAL SID specified: 0x%llX", 2442 (longlong_t)sid); 2443 return (IBT_INVALID_PARAM); 2444 } 2445 2446 svcinfop = ibcm_create_svc_entry(sid, num_sids); 2447 2448 if (svcinfop == NULL) { 2449 IBTF_DPRINTF_L2(cmlog, "ibt_register_service: " 2450 "Service-ID 0x%llx already registered", (longlong_t)sid); 2451 return (IBT_CM_SERVICE_EXISTS); 2452 } 2453 2454 /* 2455 * 'sid' and 'num_sids' are filled in ibcm_create_svc_entry() 2456 */ 2457 svcinfop->svc_flags = srv->sd_flags; 2458 svcinfop->svc_rc_handler = srv->sd_handler; 2459 svcinfop->svc_ud_handler = srv->sd_ud_handler; 2460 2461 if (ret_sid != NULL) 2462 *ret_sid = sid; 2463 2464 *srv_hdl = svcinfop; 2465 2466 ibtl_cm_change_service_cnt(ibt_hdl, num_sids); 2467 2468 /* If this message isn't seen, then ibt_register_service failed. */ 2469 IBTF_DPRINTF_L2(cmlog, "ibt_register_service: done (%p, %llX)", 2470 svcinfop, sid); 2471 2472 _NOTE(NOW_VISIBLE_TO_OTHER_THREADS(*svcinfop)) 2473 2474 return (IBT_SUCCESS); 2475 } 2476 2477 2478 static ibt_status_t 2479 ibcm_write_service_record(ibmf_saa_handle_t saa_handle, 2480 sa_service_record_t *srv_recp, ibmf_saa_access_type_t saa_type) 2481 { 2482 int rval; 2483 int retry; 2484 2485 ibcm_sa_access_enter(); 2486 for (retry = 0; retry < ibcm_max_sa_retries; retry++) { 2487 rval = ibmf_saa_update_service_record( 2488 saa_handle, srv_recp, saa_type, 0); 2489 if (rval != IBMF_TRANS_TIMEOUT) { 2490 break; 2491 } 2492 IBTF_DPRINTF_L2(cmlog, "ibcm_write_service_record: " 2493 "ibmf_saa_update_service_record timed out" 2494 " SID = %llX, rval = %d, saa_type = %d", 2495 (longlong_t)srv_recp->ServiceID, rval, saa_type); 2496 delay(ibcm_sa_timeout_delay); 2497 } 2498 ibcm_sa_access_exit(); 2499 2500 if (rval != IBMF_SUCCESS) { 2501 IBTF_DPRINTF_L2(cmlog, "ibcm_write_service_record: " 2502 "ibmf_saa_update_service_record() : Failed - %d", rval); 2503 return (ibcm_ibmf_analyze_error(rval)); 2504 } else 2505 return (IBT_SUCCESS); 2506 } 2507 2508 2509 static void 2510 ibcm_rem_stale_srec(ibmf_saa_handle_t saa_handle, sa_service_record_t *srec) 2511 { 2512 ibt_status_t retval; 2513 uint_t num_found; 2514 size_t length; 2515 sa_service_record_t *srv_resp; 2516 void *results_p; 2517 uint_t i; 2518 uint64_t component_mask; 2519 ibmf_saa_access_args_t access_args; 2520 2521 component_mask = 2522 SA_SR_COMPMASK_PKEY | SA_SR_COMPMASK_NAME | SA_SR_COMPMASK_GID; 2523 2524 /* Call in SA Access retrieve routine to get Service Records. */ 2525 access_args.sq_attr_id = SA_SERVICERECORD_ATTRID; 2526 access_args.sq_access_type = IBMF_SAA_RETRIEVE; 2527 access_args.sq_component_mask = component_mask; 2528 access_args.sq_template = srec; 2529 access_args.sq_template_length = sizeof (sa_service_record_t); 2530 access_args.sq_callback = NULL; 2531 access_args.sq_callback_arg = NULL; 2532 2533 retval = ibcm_contact_sa_access(saa_handle, &access_args, &length, 2534 &results_p); 2535 if (retval != IBT_SUCCESS) { 2536 IBTF_DPRINTF_L2(cmlog, "ibcm_rem_stale_srec: " 2537 "SA Access Failure"); 2538 return; 2539 } 2540 2541 num_found = length / sizeof (sa_service_record_t); 2542 2543 if (num_found) 2544 IBTF_DPRINTF_L3(cmlog, "ibcm_rem_stale_srec: " 2545 "Found %d matching Service Records.", num_found); 2546 2547 /* Validate the returned number of records. */ 2548 if ((results_p != NULL) && (num_found > 0)) { 2549 2550 /* Remove all the records. */ 2551 for (i = 0; i < num_found; i++) { 2552 2553 srv_resp = (sa_service_record_t *) 2554 ((uchar_t *)results_p + 2555 i * sizeof (sa_service_record_t)); 2556 2557 /* 2558 * Found some matching records, but check out whether 2559 * this Record is really stale or just happens to match 2560 * the current session records. If yes, don't remove it. 2561 */ 2562 mutex_enter(&ibcm_svc_info_lock); 2563 if (ibcm_find_svc_entry(srv_resp->ServiceID) != NULL) { 2564 /* This record is NOT STALE. */ 2565 mutex_exit(&ibcm_svc_info_lock); 2566 IBTF_DPRINTF_L3(cmlog, "ibcm_rem_stale_srec: " 2567 "This is not Stale, it's an active record"); 2568 continue; 2569 } 2570 mutex_exit(&ibcm_svc_info_lock); 2571 2572 IBTF_DPRINTF_L2(cmlog, "ibcm_rem_stale_srec: " 2573 "Removing Stale Rec: %s, %llX", 2574 srv_resp->ServiceName, srv_resp->ServiceID); 2575 2576 IBCM_DUMP_SERVICE_REC(srv_resp); 2577 2578 /* 2579 * Remove the Service Record Entry from SA. 2580 * 2581 * Get ServiceID info from Response Buf, other 2582 * attributes are already filled-in. 2583 */ 2584 2585 _NOTE(NOW_INVISIBLE_TO_OTHER_THREADS(srec->ServiceID)) 2586 2587 srec->ServiceID = srv_resp->ServiceID; 2588 2589 _NOTE(NOW_VISIBLE_TO_OTHER_THREADS(srec->ServiceID)) 2590 2591 (void) ibcm_write_service_record(saa_handle, srec, 2592 IBMF_SAA_DELETE); 2593 } 2594 2595 /* Deallocate the memory for results_p. */ 2596 kmem_free(results_p, length); 2597 } 2598 } 2599 2600 2601 2602 /* 2603 * ibt_bind_service() 2604 * Register a service with the IBCM 2605 * 2606 * INPUTS: 2607 * srv_hdl The service id handle returned to the client 2608 * on an ibt_service_register() call. 2609 * 2610 * gid The GID to which to bind the service. 2611 * 2612 * srv_bind The address of a ibt_srv_bind_t that describes 2613 * the service record. This should be NULL if there 2614 * is to be no service record. This contains: 2615 * 2616 * sb_lease Lease period 2617 * sb_pkey Partition 2618 * sb_name pointer to ASCII string Service Name, 2619 * NULL terminated. 2620 * sb_key[] Key to secure the service record. 2621 * sb_data Service Data structure (64-byte) 2622 * 2623 * cm_private First argument of Service handler. 2624 * 2625 * sb_hdl_p The address of a service bind handle, used 2626 * to undo the service binding. 2627 * 2628 * ibt_bind_service() returns: 2629 * IBT_SUCCESS - added a service successfully. 2630 * IBT_INVALID_PARAM - invalid input parameter. 2631 * IBT_CM_FAILURE - failed to add the service. 2632 * IBT_CM_SERVICE_EXISTS - service already exists. 2633 */ 2634 ibt_status_t 2635 ibt_bind_service(ibt_srv_hdl_t srv_hdl, ib_gid_t gid, ibt_srv_bind_t *srv_bind, 2636 void *cm_private, ibt_sbind_hdl_t *sb_hdl_p) 2637 { 2638 ibt_status_t status; 2639 ibtl_cm_hca_port_t port; 2640 ibcm_svc_bind_t *sbindp, *sbp; 2641 ibcm_hca_info_t *hcap; 2642 ib_svc_id_t sid, start_sid, end_sid; 2643 ibmf_saa_handle_t saa_handle; 2644 sa_service_record_t srv_rec; 2645 uint16_t pkey_ix; 2646 2647 if (sb_hdl_p != NULL) 2648 *sb_hdl_p = NULL; /* return value for error cases */ 2649 2650 IBTF_DPRINTF_L2(cmlog, "ibt_bind_service: srv_hdl %p, gid (%llX:%llX)", 2651 srv_hdl, (longlong_t)gid.gid_prefix, (longlong_t)gid.gid_guid); 2652 2653 _NOTE(NOW_INVISIBLE_TO_OTHER_THREADS(*sbindp)) 2654 2655 /* Call ibtl_cm_get_hca_port to get the port number and the HCA GUID. */ 2656 if ((status = ibtl_cm_get_hca_port(gid, 0, &port)) != IBT_SUCCESS) { 2657 IBTF_DPRINTF_L2(cmlog, "ibt_bind_service: " 2658 "ibtl_cm_get_hca_port failed: %d", status); 2659 return (status); 2660 } 2661 IBTF_DPRINTF_L4(cmlog, "ibt_bind_service: Port:%d HCA GUID:%llX", 2662 port.hp_port, port.hp_hca_guid); 2663 2664 hcap = ibcm_find_hca_entry(port.hp_hca_guid); 2665 if (hcap == NULL) { 2666 IBTF_DPRINTF_L2(cmlog, "ibt_bind_service: NO HCA found"); 2667 return (IBT_HCA_BUSY_DETACHING); 2668 } 2669 IBTF_DPRINTF_L4(cmlog, "ibt_bind_service: hcap = %p", hcap); 2670 2671 if (srv_bind != NULL) { 2672 saa_handle = ibcm_get_saa_handle(hcap, port.hp_port); 2673 if (saa_handle == NULL) { 2674 IBTF_DPRINTF_L2(cmlog, "ibt_bind_service: " 2675 "saa_handle is NULL"); 2676 ibcm_dec_hca_acc_cnt(hcap); 2677 return (IBT_HCA_PORT_NOT_ACTIVE); 2678 } 2679 if (srv_bind->sb_pkey == 0) { 2680 IBTF_DPRINTF_L2(cmlog, "ibt_bind_service: " 2681 "P_Key must not be 0"); 2682 ibcm_dec_hca_acc_cnt(hcap); 2683 return (IBT_INVALID_PARAM); 2684 } 2685 if (strlen(srv_bind->sb_name) >= IB_SVC_NAME_LEN) { 2686 IBTF_DPRINTF_L2(cmlog, "ibt_bind_service: " 2687 "Service Name is too long"); 2688 ibcm_dec_hca_acc_cnt(hcap); 2689 return (IBT_INVALID_PARAM); 2690 } else 2691 IBTF_DPRINTF_L3(cmlog, "ibt_bind_service: " 2692 "Service Name='%s'", srv_bind->sb_name); 2693 status = ibt_pkey2index_byguid(port.hp_hca_guid, 2694 port.hp_port, srv_bind->sb_pkey, &pkey_ix); 2695 if (status != IBT_SUCCESS) { 2696 IBTF_DPRINTF_L2(cmlog, "ibt_bind_service: " 2697 "P_Key 0x%x not found in P_Key_Table", 2698 srv_bind->sb_pkey); 2699 ibcm_dec_hca_acc_cnt(hcap); 2700 return (status); 2701 } 2702 } 2703 2704 /* assume success - allocate before locking */ 2705 sbindp = kmem_zalloc(sizeof (*sbindp), KM_SLEEP); 2706 sbindp->sbind_cm_private = cm_private; 2707 sbindp->sbind_gid = gid; 2708 sbindp->sbind_hcaguid = port.hp_hca_guid; 2709 sbindp->sbind_port = port.hp_port; 2710 2711 mutex_enter(&ibcm_svc_info_lock); 2712 2713 sbp = srv_hdl->svc_bind_list; 2714 while (sbp != NULL) { 2715 if (sbp->sbind_gid.gid_guid == gid.gid_guid && 2716 sbp->sbind_gid.gid_prefix == gid.gid_prefix) { 2717 if (srv_bind == NULL || 2718 srv_bind->sb_pkey == sbp->sbind_pkey) { 2719 IBTF_DPRINTF_L2(cmlog, "ibt_bind_service: " 2720 "failed: GID %llx:%llx and PKEY %x is " 2721 "already bound", gid.gid_guid, 2722 gid.gid_prefix, srv_bind->sb_pkey); 2723 mutex_exit(&ibcm_svc_info_lock); 2724 ibcm_dec_hca_acc_cnt(hcap); 2725 kmem_free(sbindp, sizeof (*sbindp)); 2726 return (IBT_CM_SERVICE_EXISTS); 2727 } 2728 } 2729 sbp = sbp->sbind_link; 2730 } 2731 /* no entry found */ 2732 2733 sbindp->sbind_link = srv_hdl->svc_bind_list; 2734 srv_hdl->svc_bind_list = sbindp; 2735 2736 mutex_exit(&ibcm_svc_info_lock); 2737 2738 if (srv_bind != NULL) { 2739 bzero(&srv_rec, sizeof (srv_rec)); 2740 2741 srv_rec.ServiceLease = 2742 sbindp->sbind_lease = srv_bind->sb_lease; 2743 srv_rec.ServiceP_Key = 2744 sbindp->sbind_pkey = srv_bind->sb_pkey; 2745 srv_rec.ServiceKey_hi = 2746 sbindp->sbind_key[0] = srv_bind->sb_key[0]; 2747 srv_rec.ServiceKey_lo = 2748 sbindp->sbind_key[1] = srv_bind->sb_key[1]; 2749 (void) strcpy(sbindp->sbind_name, srv_bind->sb_name); 2750 (void) strcpy((char *)srv_rec.ServiceName, srv_bind->sb_name); 2751 srv_rec.ServiceGID = gid; 2752 2753 /* 2754 * Find out whether we have any stale Local Service records 2755 * matching the current attributes. If yes, we shall try to 2756 * remove them from SA using the current request's ServiceKey. 2757 * 2758 * We will perform this operation only for Local Services, as 2759 * it is handled by SA automatically for WellKnown Services. 2760 * 2761 * Ofcourse, clients can specify NOT to do this clean-up by 2762 * setting IBT_SBIND_NO_CLEANUP flag (srv_bind->sb_flag). 2763 */ 2764 if ((srv_hdl->svc_id & IB_SID_AGN_LOCAL) && 2765 (!(srv_bind->sb_flag & IBT_SBIND_NO_CLEANUP))) { 2766 ibcm_rem_stale_srec(saa_handle, &srv_rec); 2767 } 2768 2769 /* Handle endianess for service data. */ 2770 ibcm_swizzle_from_srv(&srv_bind->sb_data, sbindp->sbind_data); 2771 2772 bcopy(sbindp->sbind_data, srv_rec.ServiceData, IB_SVC_DATA_LEN); 2773 2774 /* insert srv record into the SA */ 2775 start_sid = srv_hdl->svc_id; 2776 end_sid = start_sid + srv_hdl->svc_num_sids - 1; 2777 for (sid = start_sid; sid <= end_sid; sid++) { 2778 2779 srv_rec.ServiceID = sid; 2780 2781 IBCM_DUMP_SERVICE_REC(&srv_rec); 2782 2783 IBTF_DPRINTF_L4(cmlog, "ibt_bind_service: " 2784 "ibmf_saa_write_service_record, SvcId = %llX", 2785 (longlong_t)sid); 2786 2787 status = ibcm_write_service_record(saa_handle, &srv_rec, 2788 IBMF_SAA_UPDATE); 2789 if (status != IBT_SUCCESS) { 2790 IBTF_DPRINTF_L2(cmlog, "ibt_bind_service:" 2791 " ibcm_write_service_record fails %d, " 2792 "sid %llX", status, (longlong_t)sid); 2793 2794 if (sid != start_sid) { 2795 /* 2796 * Bind failed while bind SID other than 2797 * first in the sid_range. So we need 2798 * to unbind those, which are passed. 2799 * 2800 * Need to increment svc count to 2801 * compensate for ibt_unbind_service(). 2802 */ 2803 ibcm_inc_hca_svc_cnt(hcap); 2804 ibcm_dec_hca_acc_cnt(hcap); 2805 2806 (void) ibt_unbind_service(srv_hdl, 2807 sbindp); 2808 } else { 2809 ibcm_svc_bind_t **sbpp; 2810 2811 /* 2812 * Bind failed for the first SID or the 2813 * only SID in question, then no need 2814 * to unbind, just free memory and 2815 * return error. 2816 */ 2817 mutex_enter(&ibcm_svc_info_lock); 2818 2819 sbpp = &srv_hdl->svc_bind_list; 2820 sbp = *sbpp; 2821 while (sbp != NULL) { 2822 if (sbp == sbindp) { 2823 *sbpp = sbp->sbind_link; 2824 break; 2825 } 2826 sbpp = &sbp->sbind_link; 2827 sbp = *sbpp; 2828 } 2829 mutex_exit(&ibcm_svc_info_lock); 2830 ibcm_dec_hca_acc_cnt(hcap); 2831 2832 kmem_free(sbindp, sizeof (*sbindp)); 2833 } 2834 return (status); 2835 } 2836 } 2837 } 2838 ibcm_inc_hca_svc_cnt(hcap); 2839 ibcm_dec_hca_acc_cnt(hcap); 2840 2841 /* If this message isn't seen then ibt_bind_service failed */ 2842 IBTF_DPRINTF_L2(cmlog, "ibt_bind_service: DONE (%p, %llX:%llx)", 2843 srv_hdl, gid.gid_prefix, gid.gid_guid); 2844 2845 if (sb_hdl_p != NULL) 2846 *sb_hdl_p = sbindp; 2847 2848 _NOTE(NOW_VISIBLE_TO_OTHER_THREADS(*sbindp)) 2849 2850 return (IBT_SUCCESS); 2851 } 2852 2853 ibt_status_t 2854 ibt_unbind_service(ibt_srv_hdl_t srv_hdl, ibt_sbind_hdl_t sbindp) 2855 { 2856 ib_svc_id_t sid, end_sid; 2857 ibt_status_t rval; 2858 ibcm_hca_info_t *hcap; 2859 ibcm_svc_bind_t *sbp, **sbpp; 2860 2861 IBTF_DPRINTF_L2(cmlog, "ibt_unbind_service(%p, %p)", 2862 srv_hdl, sbindp); 2863 2864 hcap = ibcm_find_hca_entry(sbindp->sbind_hcaguid); 2865 2866 /* If there is a service on hca, respective hcap cannot go away */ 2867 ASSERT(hcap != NULL); 2868 2869 mutex_enter(&ibcm_svc_info_lock); 2870 2871 sbpp = &srv_hdl->svc_bind_list; 2872 sbp = *sbpp; 2873 while (sbp != NULL) { 2874 if (sbp == sbindp) { 2875 *sbpp = sbp->sbind_link; 2876 break; 2877 } 2878 sbpp = &sbp->sbind_link; 2879 sbp = *sbpp; 2880 } 2881 sid = srv_hdl->svc_id; 2882 end_sid = srv_hdl->svc_id + srv_hdl->svc_num_sids - 1; 2883 if (sbp != NULL) 2884 while (sbp->sbind_rewrite_state == IBCM_REWRITE_BUSY) 2885 cv_wait(&ibcm_svc_info_cv, &ibcm_svc_info_lock); 2886 mutex_exit(&ibcm_svc_info_lock); 2887 2888 if (sbp == NULL) { 2889 IBTF_DPRINTF_L2(cmlog, "ibt_unbind_service: " 2890 "service binding not found: srv_hdl %p, srv_bind %p", 2891 srv_hdl, sbindp); 2892 ibcm_dec_hca_acc_cnt(hcap); 2893 return (IBT_INVALID_PARAM); 2894 } 2895 2896 if (sbindp->sbind_pkey != 0) { /* Are there service records? */ 2897 ibtl_cm_hca_port_t port; 2898 sa_service_record_t srv_rec; 2899 ibmf_saa_handle_t saa_handle; 2900 ibt_status_t status; 2901 2902 /* get the default SGID of the port */ 2903 if ((status = ibtl_cm_get_hca_port(sbindp->sbind_gid, 0, &port)) 2904 != IBT_SUCCESS) { 2905 IBTF_DPRINTF_L2(cmlog, "ibt_unbind_service: " 2906 "ibtl_cm_get_hca_port failed: %d", status); 2907 /* we're done, but there may be stale service records */ 2908 goto done; 2909 } 2910 2911 saa_handle = ibcm_get_saa_handle(hcap, port.hp_port); 2912 if (saa_handle == NULL) { 2913 IBTF_DPRINTF_L2(cmlog, "ibt_unbind_service: " 2914 "saa_handle is NULL"); 2915 /* we're done, but there may be stale service records */ 2916 goto done; 2917 } 2918 2919 /* Fill in fields of srv_rec */ 2920 bzero(&srv_rec, sizeof (srv_rec)); 2921 2922 srv_rec.ServiceP_Key = sbindp->sbind_pkey; 2923 srv_rec.ServiceKey_hi = sbindp->sbind_key[0]; 2924 srv_rec.ServiceKey_lo = sbindp->sbind_key[1]; 2925 srv_rec.ServiceGID = sbindp->sbind_gid; 2926 (void) strcpy((char *)srv_rec.ServiceName, sbindp->sbind_name); 2927 2928 while (sid <= end_sid) { 2929 2930 srv_rec.ServiceID = sid; 2931 IBCM_DUMP_SERVICE_REC(&srv_rec); 2932 2933 rval = ibcm_write_service_record(saa_handle, &srv_rec, 2934 IBMF_SAA_DELETE); 2935 2936 IBTF_DPRINTF_L4(cmlog, "ibt_unbind_service: " 2937 "ibcm_write_service_record rval = %d, SID %llx", 2938 rval, sid); 2939 if (rval != IBT_SUCCESS) { 2940 /* this is not considered a reason to fail */ 2941 IBTF_DPRINTF_L2(cmlog, "ibt_unbind_service: " 2942 "ibcm_write_service_record fails %d, " 2943 "sid %llx", rval, sid); 2944 } 2945 sid++; 2946 } 2947 } 2948 done: 2949 ibcm_dec_hca_svc_cnt(hcap); 2950 ibcm_dec_hca_acc_cnt(hcap); 2951 kmem_free(sbindp, sizeof (*sbindp)); 2952 2953 /* If this message isn't seen then ibt_unbind_service failed */ 2954 IBTF_DPRINTF_L2(cmlog, "ibt_unbind_service: done !!"); 2955 2956 return (IBT_SUCCESS); 2957 } 2958 2959 /* 2960 * Simply pull off each binding from the list and unbind it. 2961 * If any of the unbind calls fail, we fail. 2962 */ 2963 ibt_status_t 2964 ibt_unbind_all_services(ibt_srv_hdl_t srv_hdl) 2965 { 2966 ibt_status_t status; 2967 ibcm_svc_bind_t *sbp; 2968 2969 mutex_enter(&ibcm_svc_info_lock); 2970 sbp = NULL; 2971 2972 /* this compare keeps the loop from being infinite */ 2973 while (sbp != srv_hdl->svc_bind_list) { 2974 sbp = srv_hdl->svc_bind_list; 2975 mutex_exit(&ibcm_svc_info_lock); 2976 status = ibt_unbind_service(srv_hdl, sbp); 2977 if (status != IBT_SUCCESS) 2978 return (status); 2979 mutex_enter(&ibcm_svc_info_lock); 2980 if (srv_hdl->svc_bind_list == NULL) 2981 break; 2982 } 2983 mutex_exit(&ibcm_svc_info_lock); 2984 return (IBT_SUCCESS); 2985 } 2986 2987 /* 2988 * ibt_deregister_service() 2989 * Deregister a service with the IBCM 2990 * 2991 * INPUTS: 2992 * ibt_hdl The IBT client handle returned to the client 2993 * on an ibt_attach() call. 2994 * 2995 * srv_hdl The address of a service identification handle, used 2996 * to de-register a service. 2997 * RETURN VALUES: 2998 * IBT_SUCCESS on success (or respective failure on error) 2999 */ 3000 ibt_status_t 3001 ibt_deregister_service(ibt_clnt_hdl_t ibt_hdl, ibt_srv_hdl_t srv_hdl) 3002 { 3003 ibcm_svc_info_t *svcp; 3004 ibcm_svc_lookup_t svc; 3005 3006 IBTF_DPRINTF_L2(cmlog, "ibt_deregister_service(%p, %p)", 3007 ibt_hdl, srv_hdl); 3008 3009 mutex_enter(&ibcm_svc_info_lock); 3010 3011 if (srv_hdl->svc_bind_list != NULL) { 3012 IBTF_DPRINTF_L2(cmlog, "ibt_deregister_service:" 3013 " srv_hdl %p still has bindings", srv_hdl); 3014 mutex_exit(&ibcm_svc_info_lock); 3015 return (IBT_CM_SERVICE_BUSY); 3016 } 3017 svc.sid = srv_hdl->svc_id; 3018 svc.num_sids = 1; 3019 IBTF_DPRINTF_L3(cmlog, "ibt_deregister_service: SID 0x%llX, numsids %d", 3020 srv_hdl->svc_id, srv_hdl->svc_num_sids); 3021 3022 #ifdef __lock_lint 3023 ibcm_svc_compare(NULL, NULL); 3024 #endif 3025 svcp = avl_find(&ibcm_svc_avl_tree, &svc, NULL); 3026 if (svcp != srv_hdl) { 3027 mutex_exit(&ibcm_svc_info_lock); 3028 IBTF_DPRINTF_L2(cmlog, "ibt_deregister_service(): " 3029 "srv_hdl %p not found", srv_hdl); 3030 return (IBT_INVALID_PARAM); 3031 } 3032 avl_remove(&ibcm_svc_avl_tree, svcp); 3033 3034 /* wait for active REQ/SREQ handling to be done */ 3035 svcp->svc_to_delete = 1; 3036 while (svcp->svc_ref_cnt != 0) 3037 cv_wait(&ibcm_svc_info_cv, &ibcm_svc_info_lock); 3038 3039 mutex_exit(&ibcm_svc_info_lock); 3040 3041 if ((srv_hdl->svc_id & IB_SID_AGN_MASK) == IB_SID_AGN_LOCAL) 3042 ibcm_free_local_sids(srv_hdl->svc_id, srv_hdl->svc_num_sids); 3043 3044 ibtl_cm_change_service_cnt(ibt_hdl, -srv_hdl->svc_num_sids); 3045 kmem_free(srv_hdl, sizeof (*srv_hdl)); 3046 3047 /* If this message isn't seen then ibt_deregister_service failed */ 3048 IBTF_DPRINTF_L2(cmlog, "ibt_deregister_service: done !!"); 3049 3050 return (IBT_SUCCESS); 3051 } 3052 3053 ibcm_status_t 3054 ibcm_ar_init(void) 3055 { 3056 ib_svc_id_t sid = IBCM_DAPL_ATS_SID; 3057 ibcm_svc_info_t *tmp_svcp; 3058 3059 IBTF_DPRINTF_L3(cmlog, "ibcm_ar_init()"); 3060 3061 /* remove this special SID from the pool of available SIDs */ 3062 if ((tmp_svcp = ibcm_create_svc_entry(sid, 1)) == NULL) { 3063 IBTF_DPRINTF_L2(cmlog, "ibcm_ar_init: " 3064 "DAPL ATS SID 0x%llx already registered", (longlong_t)sid); 3065 return (IBCM_FAILURE); 3066 } 3067 mutex_enter(&ibcm_svc_info_lock); 3068 ibcm_ar_svcinfop = tmp_svcp; 3069 ibcm_ar_list = NULL; /* no address records registered yet */ 3070 mutex_exit(&ibcm_svc_info_lock); 3071 return (IBCM_SUCCESS); 3072 } 3073 3074 ibcm_status_t 3075 ibcm_ar_fini(void) 3076 { 3077 ibcm_ar_t *ar_list; 3078 ibcm_svc_info_t *tmp_svcp; 3079 3080 mutex_enter(&ibcm_svc_info_lock); 3081 ar_list = ibcm_ar_list; 3082 3083 if (ar_list == NULL && 3084 avl_numnodes(&ibcm_svc_avl_tree) == 1 && 3085 avl_first(&ibcm_svc_avl_tree) == ibcm_ar_svcinfop) { 3086 avl_remove(&ibcm_svc_avl_tree, ibcm_ar_svcinfop); 3087 tmp_svcp = ibcm_ar_svcinfop; 3088 mutex_exit(&ibcm_svc_info_lock); 3089 kmem_free(tmp_svcp, sizeof (*ibcm_ar_svcinfop)); 3090 return (IBCM_SUCCESS); 3091 } 3092 mutex_exit(&ibcm_svc_info_lock); 3093 return (IBCM_FAILURE); 3094 } 3095 3096 3097 /* 3098 * Return to the caller: 3099 * IBT_SUCCESS Found a perfect match. 3100 * *arpp is set to the record. 3101 * IBT_INCONSISTENT_AR Found a record that's inconsistent. 3102 * IBT_AR_NOT_REGISTERED Found no record with same GID/pkey and 3103 * found no record with same data. 3104 */ 3105 static ibt_status_t 3106 ibcm_search_ar(ibt_ar_t *arp, ibcm_ar_t **arpp) 3107 { 3108 ibcm_ar_t *tmp; 3109 int i; 3110 3111 ASSERT(MUTEX_HELD(&ibcm_svc_info_lock)); 3112 tmp = ibcm_ar_list; 3113 while (tmp != NULL) { 3114 if (tmp->ar.ar_gid.gid_prefix == arp->ar_gid.gid_prefix && 3115 tmp->ar.ar_gid.gid_guid == arp->ar_gid.gid_guid && 3116 tmp->ar.ar_pkey == arp->ar_pkey) { 3117 for (i = 0; i < IBCM_DAPL_ATS_NBYTES; i++) 3118 if (tmp->ar.ar_data[i] != arp->ar_data[i]) 3119 return (IBT_INCONSISTENT_AR); 3120 *arpp = tmp; 3121 return (IBT_SUCCESS); 3122 } else { 3123 /* if all the data bytes match, we have inconsistency */ 3124 for (i = 0; i < IBCM_DAPL_ATS_NBYTES; i++) 3125 if (tmp->ar.ar_data[i] != arp->ar_data[i]) 3126 break; 3127 if (i == IBCM_DAPL_ATS_NBYTES) 3128 return (IBT_INCONSISTENT_AR); 3129 /* try next address record */ 3130 } 3131 tmp = tmp->ar_link; 3132 } 3133 return (IBT_AR_NOT_REGISTERED); 3134 } 3135 3136 ibt_status_t 3137 ibt_register_ar(ibt_clnt_hdl_t ibt_hdl, ibt_ar_t *arp) 3138 { 3139 ibcm_ar_t *found; 3140 ibcm_ar_t *tmp; 3141 ibt_status_t status; 3142 ibt_status_t s1, s2; 3143 char *s; 3144 ibcm_ar_ref_t *hdlp; 3145 ibcm_ar_t *new; 3146 ibcm_ar_t **linkp; 3147 ibtl_cm_hca_port_t cm_port; 3148 uint16_t pkey_ix; 3149 ibcm_hca_info_t *hcap; 3150 ibmf_saa_handle_t saa_handle; 3151 sa_service_record_t *srv_recp; 3152 uint64_t gid_ored; 3153 3154 IBTF_DPRINTF_L2(cmlog, "ibt_register_ar: PKey 0x%X GID %llX:%llX", 3155 arp->ar_pkey, (longlong_t)arp->ar_gid.gid_prefix, 3156 (longlong_t)arp->ar_gid.gid_guid); 3157 3158 /* 3159 * If P_Key is 0, but GID is not, this query is invalid. 3160 * If GID is 0, but P_Key is not, this query is invalid. 3161 */ 3162 gid_ored = arp->ar_gid.gid_guid | arp->ar_gid.gid_prefix; 3163 if ((arp->ar_pkey == 0 && gid_ored != 0ULL) || 3164 (arp->ar_pkey != 0 && gid_ored == 0ULL)) { 3165 IBTF_DPRINTF_L2(cmlog, "ibt_register_ar: " 3166 "GID/P_Key is not valid"); 3167 return (IBT_INVALID_PARAM); 3168 } 3169 3170 /* assume success, so these might be needed */ 3171 hdlp = kmem_alloc(sizeof (*hdlp), KM_SLEEP); 3172 new = kmem_alloc(sizeof (*new), KM_SLEEP); 3173 3174 mutex_enter(&ibcm_svc_info_lock); 3175 /* search for existing GID/pkey (there can be at most 1) */ 3176 status = ibcm_search_ar(arp, &found); 3177 if (status == IBT_INCONSISTENT_AR) { 3178 mutex_exit(&ibcm_svc_info_lock); 3179 kmem_free(new, sizeof (*new)); 3180 kmem_free(hdlp, sizeof (*hdlp)); 3181 IBTF_DPRINTF_L2(cmlog, "ibt_register_ar: " 3182 "address record is inconsistent with a known one"); 3183 return (IBT_INCONSISTENT_AR); 3184 } else if (status == IBT_SUCCESS) { 3185 if (found->ar_flags == IBCM_AR_INITING) { 3186 found->ar_waiters++; 3187 cv_wait(&found->ar_cv, &ibcm_svc_info_lock); 3188 found->ar_waiters--; 3189 } 3190 if (found->ar_flags == IBCM_AR_FAILED) { 3191 if (found->ar_waiters == 0) { 3192 cv_destroy(&found->ar_cv); 3193 kmem_free(found, sizeof (*found)); 3194 } 3195 mutex_exit(&ibcm_svc_info_lock); 3196 kmem_free(new, sizeof (*new)); 3197 kmem_free(hdlp, sizeof (*hdlp)); 3198 return (ibt_get_module_failure(IBT_FAILURE_IBCM, 0)); 3199 } 3200 hdlp->ar_ibt_hdl = ibt_hdl; 3201 hdlp->ar_ref_link = found->ar_ibt_hdl_list; 3202 found->ar_ibt_hdl_list = hdlp; 3203 mutex_exit(&ibcm_svc_info_lock); 3204 kmem_free(new, sizeof (*new)); 3205 ibtl_cm_change_service_cnt(ibt_hdl, 1); 3206 return (IBT_SUCCESS); 3207 } else { 3208 ASSERT(status == IBT_AR_NOT_REGISTERED); 3209 } 3210 hdlp->ar_ref_link = NULL; 3211 hdlp->ar_ibt_hdl = ibt_hdl; 3212 new->ar_ibt_hdl_list = hdlp; 3213 new->ar = *arp; 3214 new->ar_flags = IBCM_AR_INITING; 3215 new->ar_waiters = 0; 3216 cv_init(&new->ar_cv, NULL, CV_DEFAULT, NULL); 3217 new->ar_link = ibcm_ar_list; 3218 ibcm_ar_list = new; 3219 3220 /* verify GID/pkey is valid for a local port, etc. */ 3221 hcap = NULL; 3222 if ((s1 = ibtl_cm_get_hca_port(arp->ar_gid, 0, &cm_port)) 3223 != IBT_SUCCESS || 3224 (s2 = ibt_pkey2index_byguid(cm_port.hp_hca_guid, cm_port.hp_port, 3225 arp->ar_pkey, &pkey_ix)) != IBT_SUCCESS || 3226 (hcap = ibcm_find_hca_entry(cm_port.hp_hca_guid)) == NULL) { 3227 cv_destroy(&new->ar_cv); 3228 ibcm_ar_list = new->ar_link; 3229 mutex_exit(&ibcm_svc_info_lock); 3230 kmem_free(new, sizeof (*new)); 3231 kmem_free(hdlp, sizeof (*hdlp)); 3232 status = IBT_INVALID_PARAM; 3233 if (s1 == IBT_HCA_PORT_NOT_ACTIVE) { 3234 s = "PORT DOWN"; 3235 status = IBT_HCA_PORT_NOT_ACTIVE; 3236 } else if (s1 != IBT_SUCCESS) 3237 s = "GID not found"; 3238 else if (s2 != IBT_SUCCESS) 3239 s = "PKEY not found"; 3240 else 3241 s = "CM could not find its HCA entry"; 3242 IBTF_DPRINTF_L2(cmlog, "ibt_register_ar: %s, status = %d", 3243 s, status); 3244 return (status); 3245 } 3246 mutex_exit(&ibcm_svc_info_lock); 3247 saa_handle = ibcm_get_saa_handle(hcap, cm_port.hp_port); 3248 3249 /* create service record */ 3250 srv_recp = kmem_zalloc(sizeof (*srv_recp), KM_SLEEP); 3251 srv_recp->ServiceLease = 0xFFFFFFFF; /* infinite */ 3252 srv_recp->ServiceP_Key = arp->ar_pkey; 3253 srv_recp->ServiceKey_hi = 0xDA410000ULL; /* DAPL */ 3254 srv_recp->ServiceKey_lo = 0xA7500000ULL; /* ATS */ 3255 (void) strcpy((char *)srv_recp->ServiceName, IBCM_DAPL_ATS_NAME); 3256 srv_recp->ServiceGID = arp->ar_gid; 3257 bcopy(arp->ar_data, srv_recp->ServiceData, IBCM_DAPL_ATS_NBYTES); 3258 srv_recp->ServiceID = IBCM_DAPL_ATS_SID; 3259 3260 /* insert service record into the SA */ 3261 3262 IBCM_DUMP_SERVICE_REC(srv_recp); 3263 3264 if (saa_handle != NULL) 3265 status = ibcm_write_service_record(saa_handle, srv_recp, 3266 IBMF_SAA_UPDATE); 3267 else 3268 status = IBT_HCA_PORT_NOT_ACTIVE; 3269 3270 if (status != IBT_SUCCESS) { 3271 IBTF_DPRINTF_L2(cmlog, "ibt_register_ar: sa access fails %d, " 3272 "sid %llX", status, (longlong_t)srv_recp->ServiceID); 3273 IBTF_DPRINTF_L2(cmlog, "ibt_register_ar: FAILED for gid " 3274 "%llX:%llX pkey 0x%X", (longlong_t)arp->ar_gid.gid_prefix, 3275 (longlong_t)arp->ar_gid.gid_guid, arp->ar_pkey); 3276 3277 kmem_free(srv_recp, sizeof (*srv_recp)); 3278 kmem_free(hdlp, sizeof (*hdlp)); 3279 3280 mutex_enter(&ibcm_svc_info_lock); 3281 linkp = &ibcm_ar_list; 3282 tmp = *linkp; 3283 while (tmp != NULL) { 3284 if (tmp == new) { 3285 *linkp = new->ar_link; 3286 break; 3287 } 3288 linkp = &tmp->ar_link; 3289 tmp = *linkp; 3290 } 3291 if (new->ar_waiters > 0) { 3292 new->ar_flags = IBCM_AR_FAILED; 3293 cv_broadcast(&new->ar_cv); 3294 mutex_exit(&ibcm_svc_info_lock); 3295 } else { 3296 cv_destroy(&new->ar_cv); 3297 mutex_exit(&ibcm_svc_info_lock); 3298 kmem_free(new, sizeof (*new)); 3299 } 3300 ibcm_dec_hca_acc_cnt(hcap); 3301 IBTF_DPRINTF_L2(cmlog, "ibt_register_ar: " 3302 "IBMF_SAA failed to write address record"); 3303 } else { /* SUCCESS */ 3304 uint8_t *b; 3305 3306 IBTF_DPRINTF_L2(cmlog, "ibt_register_ar: SUCCESS for gid " 3307 "%llx:%llx pkey %x", (longlong_t)arp->ar_gid.gid_prefix, 3308 (longlong_t)arp->ar_gid.gid_guid, arp->ar_pkey); 3309 b = arp->ar_data; 3310 3311 IBTF_DPRINTF_L2(cmlog, "ibt_register_ar:" 3312 " data %d:%d:%d:%d:%d:%d:%d:%d:%d:%d:%d:%d:%d:%d:%d:%d", 3313 b[0], b[1], b[2], b[3], b[4], b[5], b[6], b[7], b[8], b[9], 3314 b[10], b[11], b[12], b[13], b[14], b[15]); 3315 mutex_enter(&ibcm_svc_info_lock); 3316 new->ar_srv_recp = srv_recp; 3317 new->ar_saa_handle = saa_handle; 3318 new->ar_port = cm_port.hp_port; 3319 new->ar_hcap = hcap; 3320 new->ar_flags = IBCM_AR_SUCCESS; 3321 if (new->ar_waiters > 0) 3322 cv_broadcast(&new->ar_cv); 3323 mutex_exit(&ibcm_svc_info_lock); 3324 ibtl_cm_change_service_cnt(ibt_hdl, 1); 3325 /* do not call ibcm_dec_hca_acc_cnt(hcap) until deregister */ 3326 } 3327 return (status); 3328 } 3329 3330 ibt_status_t 3331 ibt_deregister_ar(ibt_clnt_hdl_t ibt_hdl, ibt_ar_t *arp) 3332 { 3333 ibcm_ar_t *found; 3334 ibcm_ar_t *tmp; 3335 ibcm_ar_t **linkp; 3336 ibcm_ar_ref_t *hdlp; 3337 ibcm_ar_ref_t **hdlpp; 3338 ibt_status_t status; 3339 ibmf_saa_handle_t saa_handle; 3340 sa_service_record_t *srv_recp; 3341 uint64_t gid_ored; 3342 3343 IBTF_DPRINTF_L2(cmlog, "ibt_deregister_ar: pkey %x", arp->ar_pkey); 3344 IBTF_DPRINTF_L2(cmlog, "ibt_deregister_ar: gid %llx:%llx", 3345 (longlong_t)arp->ar_gid.gid_prefix, 3346 (longlong_t)arp->ar_gid.gid_guid); 3347 3348 /* 3349 * If P_Key is 0, but GID is not, this query is invalid. 3350 * If GID is 0, but P_Key is not, this query is invalid. 3351 */ 3352 gid_ored = arp->ar_gid.gid_guid | arp->ar_gid.gid_prefix; 3353 if ((arp->ar_pkey == 0 && gid_ored != 0ULL) || 3354 (arp->ar_pkey != 0 && gid_ored == 0ULL)) { 3355 IBTF_DPRINTF_L2(cmlog, "ibt_deregister_ar: " 3356 "GID/P_Key is not valid"); 3357 return (IBT_INVALID_PARAM); 3358 } 3359 3360 mutex_enter(&ibcm_svc_info_lock); 3361 /* search for existing GID/pkey (there can be at most 1) */ 3362 status = ibcm_search_ar(arp, &found); 3363 if (status == IBT_INCONSISTENT_AR || status == IBT_AR_NOT_REGISTERED) { 3364 mutex_exit(&ibcm_svc_info_lock); 3365 IBTF_DPRINTF_L2(cmlog, "ibt_deregister_ar: " 3366 "address record not found"); 3367 return (IBT_AR_NOT_REGISTERED); 3368 } 3369 ASSERT(status == IBT_SUCCESS); 3370 3371 hdlpp = &found->ar_ibt_hdl_list; 3372 hdlp = *hdlpp; 3373 while (hdlp != NULL) { 3374 if (hdlp->ar_ibt_hdl == ibt_hdl) 3375 break; 3376 hdlpp = &hdlp->ar_ref_link; 3377 hdlp = *hdlpp; 3378 } 3379 if (hdlp == NULL) { /* could not find ibt_hdl on list */ 3380 mutex_exit(&ibcm_svc_info_lock); 3381 IBTF_DPRINTF_L2(cmlog, "ibt_deregister_ar: " 3382 "address record found, but not for this client"); 3383 return (IBT_AR_NOT_REGISTERED); 3384 } 3385 *hdlpp = hdlp->ar_ref_link; /* remove ref for this client */ 3386 if (found->ar_ibt_hdl_list == NULL && found->ar_waiters == 0) { 3387 /* last entry was removed */ 3388 found->ar_flags = IBCM_AR_INITING; /* hold off register_ar */ 3389 saa_handle = found->ar_saa_handle; 3390 srv_recp = found->ar_srv_recp; 3391 3392 /* wait if this service record is being rewritten */ 3393 while (found->ar_rewrite_state == IBCM_REWRITE_BUSY) 3394 cv_wait(&ibcm_svc_info_cv, &ibcm_svc_info_lock); 3395 mutex_exit(&ibcm_svc_info_lock); 3396 3397 /* remove service record */ 3398 status = ibcm_write_service_record(saa_handle, srv_recp, 3399 IBMF_SAA_DELETE); 3400 if (status != IBT_SUCCESS) 3401 IBTF_DPRINTF_L2(cmlog, "ibt_deregister_ar: " 3402 "IBMF_SAA failed to delete address record"); 3403 mutex_enter(&ibcm_svc_info_lock); 3404 if (found->ar_waiters == 0) { /* still no waiters */ 3405 linkp = &ibcm_ar_list; 3406 tmp = *linkp; 3407 while (tmp != found) { 3408 linkp = &tmp->ar_link; 3409 tmp = *linkp; 3410 } 3411 *linkp = tmp->ar_link; 3412 ibcm_dec_hca_acc_cnt(found->ar_hcap); 3413 kmem_free(srv_recp, sizeof (*srv_recp)); 3414 cv_destroy(&found->ar_cv); 3415 kmem_free(found, sizeof (*found)); 3416 } else { 3417 /* add service record back in for the waiters */ 3418 mutex_exit(&ibcm_svc_info_lock); 3419 status = ibcm_write_service_record(saa_handle, srv_recp, 3420 IBMF_SAA_UPDATE); 3421 mutex_enter(&ibcm_svc_info_lock); 3422 if (status == IBT_SUCCESS) 3423 found->ar_flags = IBCM_AR_SUCCESS; 3424 else { 3425 found->ar_flags = IBCM_AR_FAILED; 3426 IBTF_DPRINTF_L2(cmlog, "ibt_deregister_ar: " 3427 "IBMF_SAA failed to write address record"); 3428 } 3429 cv_broadcast(&found->ar_cv); 3430 } 3431 } 3432 mutex_exit(&ibcm_svc_info_lock); 3433 kmem_free(hdlp, sizeof (*hdlp)); 3434 ibtl_cm_change_service_cnt(ibt_hdl, -1); 3435 return (status); 3436 } 3437 3438 ibt_status_t 3439 ibt_query_ar(ib_gid_t *sgid, ibt_ar_t *queryp, ibt_ar_t *resultp) 3440 { 3441 sa_service_record_t svcrec_req; 3442 sa_service_record_t *svcrec_resp; 3443 void *results_p; 3444 uint64_t component_mask = 0; 3445 uint64_t gid_ored; 3446 size_t length; 3447 int num_rec; 3448 int i; 3449 ibmf_saa_access_args_t access_args; 3450 ibt_status_t retval; 3451 ibtl_cm_hca_port_t cm_port; 3452 ibcm_hca_info_t *hcap; 3453 ibmf_saa_handle_t saa_handle; 3454 3455 IBTF_DPRINTF_L3(cmlog, "ibt_query_ar(%p, %p)", queryp, resultp); 3456 IBTF_DPRINTF_L3(cmlog, "ibt_query_ar: sgid %llx:%llx", 3457 (longlong_t)sgid->gid_prefix, (longlong_t)sgid->gid_guid); 3458 IBTF_DPRINTF_L3(cmlog, "ibt_query_ar: query_pkey %x", queryp->ar_pkey); 3459 IBTF_DPRINTF_L3(cmlog, "ibt_query_ar: query_gid %llx:%llx", 3460 (longlong_t)queryp->ar_gid.gid_prefix, 3461 (longlong_t)queryp->ar_gid.gid_guid); 3462 3463 /* 3464 * If P_Key is 0, but GID is not, this query is invalid. 3465 * If GID is 0, but P_Key is not, this query is invalid. 3466 */ 3467 gid_ored = queryp->ar_gid.gid_guid | queryp->ar_gid.gid_prefix; 3468 if ((queryp->ar_pkey == 0 && gid_ored != 0ULL) || 3469 (queryp->ar_pkey != 0 && gid_ored == 0ULL)) { 3470 IBTF_DPRINTF_L2(cmlog, "ibt_query_ar: GID/P_Key is not valid"); 3471 return (IBT_INVALID_PARAM); 3472 } 3473 3474 hcap = NULL; 3475 if (ibtl_cm_get_hca_port(*sgid, 0, &cm_port) != IBT_SUCCESS || 3476 (hcap = ibcm_find_hca_entry(cm_port.hp_hca_guid)) == NULL || 3477 (saa_handle = ibcm_get_saa_handle(hcap, cm_port.hp_port)) == NULL) { 3478 if (hcap != NULL) 3479 ibcm_dec_hca_acc_cnt(hcap); 3480 IBTF_DPRINTF_L2(cmlog, "ibt_query_ar: sgid is not valid"); 3481 return (IBT_INVALID_PARAM); 3482 } 3483 3484 bzero(&svcrec_req, sizeof (svcrec_req)); 3485 3486 /* Is GID/P_Key Specified. */ 3487 if (queryp->ar_pkey != 0) { /* GID is non-zero from check above */ 3488 svcrec_req.ServiceP_Key = queryp->ar_pkey; 3489 component_mask |= SA_SR_COMPMASK_PKEY; 3490 IBTF_DPRINTF_L3(cmlog, "ibt_query_ar: P_Key %X", 3491 queryp->ar_pkey); 3492 svcrec_req.ServiceGID = queryp->ar_gid; 3493 component_mask |= SA_SR_COMPMASK_GID; 3494 IBTF_DPRINTF_L3(cmlog, "ibt_query_ar: GID %llX:%llX", 3495 (longlong_t)queryp->ar_gid.gid_prefix, 3496 (longlong_t)queryp->ar_gid.gid_guid); 3497 } 3498 3499 /* Is ServiceData Specified. */ 3500 for (i = 0; i < IBCM_DAPL_ATS_NBYTES; i++) { 3501 if (queryp->ar_data[i] != 0) { 3502 bcopy(queryp->ar_data, svcrec_req.ServiceData, 3503 IBCM_DAPL_ATS_NBYTES); 3504 component_mask |= 0xFFFF << 7; /* all 16 Data8 */ 3505 /* components */ 3506 break; 3507 } 3508 } 3509 3510 /* Service Name */ 3511 (void) strcpy((char *)svcrec_req.ServiceName, IBCM_DAPL_ATS_NAME); 3512 component_mask |= SA_SR_COMPMASK_NAME; 3513 3514 svcrec_req.ServiceID = IBCM_DAPL_ATS_SID; 3515 component_mask |= SA_SR_COMPMASK_ID; 3516 3517 IBTF_DPRINTF_L3(cmlog, "ibt_query_ar: " 3518 "Perform SA Access: Mask: 0x%X", component_mask); 3519 3520 /* 3521 * Call in SA Access retrieve routine to get Service Records. 3522 * 3523 * SA Access framework allocated memory for the "results_p". 3524 * Make sure to deallocate once we are done with the results_p. 3525 * The size of the buffer allocated will be as returned in 3526 * "length" field. 3527 */ 3528 access_args.sq_attr_id = SA_SERVICERECORD_ATTRID; 3529 access_args.sq_access_type = IBMF_SAA_RETRIEVE; 3530 access_args.sq_component_mask = component_mask; 3531 access_args.sq_template = &svcrec_req; 3532 access_args.sq_template_length = sizeof (sa_service_record_t); 3533 access_args.sq_callback = NULL; 3534 access_args.sq_callback_arg = NULL; 3535 3536 retval = ibcm_contact_sa_access(saa_handle, &access_args, &length, 3537 &results_p); 3538 3539 ibcm_dec_hca_acc_cnt(hcap); 3540 if (retval != IBT_SUCCESS) { 3541 IBTF_DPRINTF_L2(cmlog, "ibt_query_ar: SA Access Failed"); 3542 return (retval); 3543 } 3544 3545 num_rec = length / sizeof (sa_service_record_t); 3546 3547 IBTF_DPRINTF_L3(cmlog, "ibt_query_ar: " 3548 "Found %d Service Records.", num_rec); 3549 3550 /* Validate the returned number of records. */ 3551 if ((results_p != NULL) && (num_rec > 0)) { 3552 uint8_t *b; 3553 3554 IBTF_DPRINTF_L3(cmlog, "ibt_query_ar: " 3555 "Found %d Service Record(s).", num_rec); 3556 3557 /* Just return info from the first service record. */ 3558 svcrec_resp = (sa_service_record_t *)results_p; 3559 3560 /* The Service GID and Service ID */ 3561 resultp->ar_gid = svcrec_resp->ServiceGID; 3562 resultp->ar_pkey = svcrec_resp->ServiceP_Key; 3563 bcopy(svcrec_resp->ServiceData, 3564 resultp->ar_data, IBCM_DAPL_ATS_NBYTES); 3565 3566 IBTF_DPRINTF_L2(cmlog, "ibt_query_ar: " 3567 "Found: pkey %x dgid %llX:%llX", resultp->ar_pkey, 3568 (longlong_t)resultp->ar_gid.gid_prefix, 3569 (longlong_t)resultp->ar_gid.gid_guid); 3570 b = resultp->ar_data; 3571 IBTF_DPRINTF_L2(cmlog, "ibt_query_ar:" 3572 " data %d:%d:%d:%d:%d:%d:%d:%d:%d:%d:%d:%d:%d:%d:%d:%d", 3573 b[0], b[1], b[2], b[3], b[4], b[5], b[6], b[7], b[8], b[9], 3574 b[10], b[11], b[12], b[13], b[14], b[15]); 3575 3576 /* Deallocate the memory for results_p. */ 3577 kmem_free(results_p, length); 3578 if (num_rec > 1) 3579 retval = IBT_MULTIPLE_AR; 3580 else 3581 retval = IBT_SUCCESS; 3582 } else { 3583 IBTF_DPRINTF_L2(cmlog, "ibt_query_ar: " 3584 "ibmf_sa_access found 0 matching records"); 3585 retval = IBT_AR_NOT_REGISTERED; 3586 } 3587 return (retval); 3588 } 3589 3590 /* mark all ATS service records associated with the port */ 3591 static void 3592 ibcm_mark_ar(ib_guid_t hca_guid, uint8_t port) 3593 { 3594 ibcm_ar_t *tmp; 3595 3596 ASSERT(MUTEX_HELD(&ibcm_svc_info_lock)); 3597 for (tmp = ibcm_ar_list; tmp != NULL; tmp = tmp->ar_link) { 3598 if (tmp->ar_hcap->hca_guid == hca_guid && 3599 tmp->ar_port == port) { 3600 /* even if it's busy, we mark it for rewrite */ 3601 tmp->ar_rewrite_state = IBCM_REWRITE_NEEDED; 3602 } 3603 } 3604 } 3605 3606 /* rewrite all ATS service records */ 3607 static int 3608 ibcm_rewrite_ar(void) 3609 { 3610 ibcm_ar_t *tmp; 3611 ibmf_saa_handle_t saa_handle; 3612 sa_service_record_t *srv_recp; 3613 ibt_status_t rval; 3614 int did_something = 0; 3615 3616 ASSERT(MUTEX_HELD(&ibcm_svc_info_lock)); 3617 check_for_work: 3618 for (tmp = ibcm_ar_list; tmp != NULL; tmp = tmp->ar_link) { 3619 if (tmp->ar_rewrite_state == IBCM_REWRITE_NEEDED) { 3620 tmp->ar_rewrite_state = IBCM_REWRITE_BUSY; 3621 saa_handle = tmp->ar_saa_handle; 3622 srv_recp = tmp->ar_srv_recp; 3623 mutex_exit(&ibcm_svc_info_lock); 3624 IBTF_DPRINTF_L3(cmlog, "ibcm_rewrite_ar: " 3625 "rewriting ar @ %p", tmp); 3626 did_something = 1; 3627 rval = ibcm_write_service_record(saa_handle, srv_recp, 3628 IBMF_SAA_UPDATE); 3629 if (rval != IBT_SUCCESS) 3630 IBTF_DPRINTF_L2(cmlog, "ibcm_rewrite_ar: " 3631 "ibcm_write_service_record failed: " 3632 "status = %d", rval); 3633 mutex_enter(&ibcm_svc_info_lock); 3634 /* if it got marked again, then we want to rewrite */ 3635 if (tmp->ar_rewrite_state == IBCM_REWRITE_BUSY) 3636 tmp->ar_rewrite_state = IBCM_REWRITE_IDLE; 3637 /* in case there was a waiter... */ 3638 cv_broadcast(&ibcm_svc_info_cv); 3639 goto check_for_work; 3640 } 3641 } 3642 return (did_something); 3643 } 3644 3645 static void 3646 ibcm_rewrite_svc_record(ibcm_svc_info_t *srv_hdl, ibcm_svc_bind_t *sbindp) 3647 { 3648 ibcm_hca_info_t *hcap; 3649 ib_svc_id_t sid, start_sid, end_sid; 3650 ibmf_saa_handle_t saa_handle; 3651 sa_service_record_t srv_rec; 3652 ibt_status_t rval; 3653 3654 hcap = ibcm_find_hca_entry(sbindp->sbind_hcaguid); 3655 if (hcap == NULL) { 3656 IBTF_DPRINTF_L2(cmlog, "ibcm_rewrite_svc_record: " 3657 "NO HCA found for HCA GUID %llX", sbindp->sbind_hcaguid); 3658 return; 3659 } 3660 3661 saa_handle = ibcm_get_saa_handle(hcap, sbindp->sbind_port); 3662 if (saa_handle == NULL) { 3663 IBTF_DPRINTF_L2(cmlog, "ibcm_rewrite_svc_record: " 3664 "saa_handle is NULL"); 3665 ibcm_dec_hca_acc_cnt(hcap); 3666 return; 3667 } 3668 3669 IBTF_DPRINTF_L3(cmlog, "ibcm_rewrite_svc_record: " 3670 "rewriting svc '%s', port_guid = %llX", sbindp->sbind_name, 3671 sbindp->sbind_gid.gid_guid); 3672 3673 bzero(&srv_rec, sizeof (srv_rec)); 3674 3675 srv_rec.ServiceLease = sbindp->sbind_lease; 3676 srv_rec.ServiceP_Key = sbindp->sbind_pkey; 3677 srv_rec.ServiceKey_hi = sbindp->sbind_key[0]; 3678 srv_rec.ServiceKey_lo = sbindp->sbind_key[1]; 3679 (void) strcpy((char *)srv_rec.ServiceName, sbindp->sbind_name); 3680 srv_rec.ServiceGID = sbindp->sbind_gid; 3681 3682 bcopy(sbindp->sbind_data, srv_rec.ServiceData, IB_SVC_DATA_LEN); 3683 3684 /* insert srv record into the SA */ 3685 start_sid = srv_hdl->svc_id; 3686 end_sid = start_sid + srv_hdl->svc_num_sids - 1; 3687 for (sid = start_sid; sid <= end_sid; sid++) { 3688 srv_rec.ServiceID = sid; 3689 3690 rval = ibcm_write_service_record(saa_handle, &srv_rec, 3691 IBMF_SAA_UPDATE); 3692 3693 IBTF_DPRINTF_L4(cmlog, "ibcm_rewrite_svc_record: " 3694 "ibcm_write_service_record, SvcId = %llX, " 3695 "rval = %d", (longlong_t)sid, rval); 3696 if (rval != IBT_SUCCESS) { 3697 IBTF_DPRINTF_L2(cmlog, "ibcm_rewrite_svc_record:" 3698 " ibcm_write_service_record fails %d sid %llX", 3699 rval, (longlong_t)sid); 3700 } 3701 } 3702 ibcm_dec_hca_acc_cnt(hcap); 3703 } 3704 3705 /* 3706 * Task to mark all service records as needing to be rewritten to the SM/SA. 3707 * This task does not return until all of them have been rewritten. 3708 */ 3709 void 3710 ibcm_service_record_rewrite_task(void *arg) 3711 { 3712 ibcm_port_up_t *pup = (ibcm_port_up_t *)arg; 3713 ib_guid_t hca_guid = pup->pup_hca_guid; 3714 uint8_t port = pup->pup_port; 3715 ibcm_svc_info_t *svcp; 3716 ibcm_svc_bind_t *sbp; 3717 avl_tree_t *avl_tree = &ibcm_svc_avl_tree; 3718 static int task_is_running = 0; 3719 3720 IBTF_DPRINTF_L2(cmlog, "ibcm_service_record_rewrite_task STARTED " 3721 "for hca_guid %llX, port %d", hca_guid, port); 3722 3723 mutex_enter(&ibcm_svc_info_lock); 3724 ibcm_mark_ar(hca_guid, port); 3725 for (svcp = avl_first(avl_tree); svcp != NULL; 3726 svcp = avl_walk(avl_tree, svcp, AVL_AFTER)) { 3727 sbp = svcp->svc_bind_list; 3728 while (sbp != NULL) { 3729 if (sbp->sbind_pkey != 0 && 3730 sbp->sbind_port == port && 3731 sbp->sbind_hcaguid == hca_guid) { 3732 /* even if it's busy, we mark it for rewrite */ 3733 sbp->sbind_rewrite_state = IBCM_REWRITE_NEEDED; 3734 } 3735 sbp = sbp->sbind_link; 3736 } 3737 } 3738 if (task_is_running) { 3739 /* let the other task thread finish the work */ 3740 mutex_exit(&ibcm_svc_info_lock); 3741 return; 3742 } 3743 task_is_running = 1; 3744 3745 (void) ibcm_rewrite_ar(); 3746 3747 check_for_work: 3748 for (svcp = avl_first(avl_tree); svcp != NULL; 3749 svcp = avl_walk(avl_tree, svcp, AVL_AFTER)) { 3750 sbp = svcp->svc_bind_list; 3751 while (sbp != NULL) { 3752 if (sbp->sbind_rewrite_state == IBCM_REWRITE_NEEDED) { 3753 sbp->sbind_rewrite_state = IBCM_REWRITE_BUSY; 3754 mutex_exit(&ibcm_svc_info_lock); 3755 ibcm_rewrite_svc_record(svcp, sbp); 3756 mutex_enter(&ibcm_svc_info_lock); 3757 /* if it got marked again, we want to rewrite */ 3758 if (sbp->sbind_rewrite_state == 3759 IBCM_REWRITE_BUSY) 3760 sbp->sbind_rewrite_state = 3761 IBCM_REWRITE_IDLE; 3762 /* in case there was a waiter... */ 3763 cv_broadcast(&ibcm_svc_info_cv); 3764 goto check_for_work; 3765 } 3766 sbp = sbp->sbind_link; 3767 } 3768 } 3769 /* 3770 * If there were no service records to write, and we failed to 3771 * have to rewrite any more ATS service records, then we're done. 3772 */ 3773 if (ibcm_rewrite_ar() != 0) 3774 goto check_for_work; 3775 task_is_running = 0; 3776 mutex_exit(&ibcm_svc_info_lock); 3777 3778 IBTF_DPRINTF_L2(cmlog, "ibcm_service_record_rewrite_task DONE"); 3779 kmem_free(pup, sizeof (ibcm_port_up_t)); 3780 } 3781 3782 3783 /* 3784 * Function: 3785 * ibt_cm_proceed 3786 * 3787 * Verifies the arguments and dispatches the cm state machine processing 3788 * via taskq 3789 */ 3790 3791 ibt_status_t 3792 ibt_cm_proceed(ibt_cm_event_type_t event, void *session_id, 3793 ibt_cm_status_t status, ibt_cm_proceed_reply_t *cm_event_data, 3794 void *priv_data, ibt_priv_data_len_t priv_data_len) 3795 { 3796 ibcm_state_data_t *statep = (ibcm_state_data_t *)session_id; 3797 ibcm_proceed_targs_t *proceed_targs; 3798 ibcm_proceed_error_t proceed_error; 3799 3800 IBTF_DPRINTF_L3(cmlog, "ibt_cm_proceed chan 0x%p event %x status %x " 3801 "session_id %p", statep->channel, event, status, session_id); 3802 3803 IBTF_DPRINTF_L5(cmlog, "ibt_cm_proceed chan 0x%p cm_event_data %p, " 3804 "priv_data %p priv_data_len %x", statep->channel, cm_event_data, 3805 priv_data, priv_data_len); 3806 3807 /* validate session_id and status */ 3808 if ((statep == NULL) || (status == IBT_CM_DEFER)) { 3809 IBTF_DPRINTF_L2(cmlog, "ibt_cm_proceed : Invalid Args"); 3810 return (IBT_INVALID_PARAM); 3811 } 3812 3813 /* If priv data len specified, then priv_data cannot be NULL */ 3814 if ((priv_data_len > 0) && (priv_data == NULL)) 3815 return (IBT_INVALID_PARAM); 3816 3817 proceed_error = IBCM_PROCEED_INVALID_NONE; 3818 3819 mutex_enter(&statep->state_mutex); 3820 if (event == IBT_CM_EVENT_REQ_RCV) { 3821 3822 if ((statep->state != IBCM_STATE_REQ_RCVD) && 3823 (statep->state != IBCM_STATE_MRA_SENT)) 3824 proceed_error = IBCM_PROCEED_INVALID_EVENT_STATE; 3825 else if (priv_data_len > IBT_REP_PRIV_DATA_SZ) 3826 proceed_error = IBCM_PROCEED_INVALID_PRIV_SZ; 3827 3828 } else if (event == IBT_CM_EVENT_REP_RCV) { 3829 if ((statep->state != IBCM_STATE_REP_RCVD) && 3830 (statep->state != IBCM_STATE_MRA_REP_SENT)) 3831 proceed_error = IBCM_PROCEED_INVALID_EVENT_STATE; 3832 else if (priv_data_len > IBT_RTU_PRIV_DATA_SZ) 3833 proceed_error = IBCM_PROCEED_INVALID_PRIV_SZ; 3834 } else if (event == IBT_CM_EVENT_LAP_RCV) { 3835 if ((statep->ap_state != IBCM_AP_STATE_LAP_RCVD) && 3836 (statep->ap_state != IBCM_AP_STATE_MRA_LAP_SENT)) 3837 proceed_error = IBCM_PROCEED_INVALID_EVENT_STATE; 3838 else if (priv_data_len > IBT_APR_PRIV_DATA_SZ) 3839 proceed_error = IBCM_PROCEED_INVALID_PRIV_SZ; 3840 } else if (event == IBT_CM_EVENT_CONN_CLOSED) { 3841 if (statep->state != IBCM_STATE_DREQ_RCVD) 3842 proceed_error = IBCM_PROCEED_INVALID_EVENT_STATE; 3843 else if (priv_data_len > IBT_DREP_PRIV_DATA_SZ) 3844 proceed_error = IBCM_PROCEED_INVALID_PRIV_SZ; 3845 } else { 3846 proceed_error = IBCM_PROCEED_INVALID_EVENT; 3847 } 3848 3849 /* if there is an error, print an error message and return */ 3850 if (proceed_error != IBCM_PROCEED_INVALID_NONE) { 3851 mutex_exit(&statep->state_mutex); 3852 if (proceed_error == IBCM_PROCEED_INVALID_EVENT_STATE) { 3853 IBTF_DPRINTF_L2(cmlog, "ibt_cm_proceed : chan 0x%p" 3854 "Invalid Event/State combination specified", 3855 statep->channel); 3856 return (IBT_INVALID_PARAM); 3857 } else if (proceed_error == IBCM_PROCEED_INVALID_PRIV_SZ) { 3858 IBTF_DPRINTF_L2(cmlog, "ibt_cm_proceed : chan 0x%p" 3859 "Invalid Event/priv len combination specified", 3860 statep->channel); 3861 return (IBT_INVALID_PARAM); 3862 } else if (proceed_error == IBCM_PROCEED_INVALID_EVENT) { 3863 IBTF_DPRINTF_L2(cmlog, "ibt_cm_proceed : chan 0x%p" 3864 "Invalid Event specified", statep->channel); 3865 return (IBT_INVALID_PARAM); 3866 } else { 3867 ASSERT(proceed_error == IBCM_PROCEED_INVALID_LAP); 3868 IBTF_DPRINTF_L2(cmlog, "ibt_cm_proceed : chan 0x%p" 3869 "IBT_CM_EVENT_LAP_RCV not supported", 3870 statep->channel); 3871 /* UNTIL HCA DRIVER ENABLES AP SUPPORT, FAIL THE CALL */ 3872 return (IBT_APM_NOT_SUPPORTED); 3873 } 3874 } 3875 3876 3877 /* wait until client's CM handler returns DEFER status back to CM */ 3878 3879 while (statep->clnt_proceed == IBCM_BLOCK) { 3880 IBTF_DPRINTF_L5(cmlog, "ibt_cm_proceed : chan 0x%p blocked for " 3881 "return of client's cm handler", statep->channel); 3882 cv_wait(&statep->block_client_cv, &statep->state_mutex); 3883 } 3884 3885 if (statep->clnt_proceed == IBCM_FAIL) { 3886 mutex_exit(&statep->state_mutex); 3887 IBTF_DPRINTF_L2(cmlog, "ibt_cm_proceed : chan 0x%p Failed as " 3888 "client returned non-DEFER status from cm handler", 3889 statep->channel); 3890 return (IBT_CHAN_STATE_INVALID); 3891 } 3892 3893 ASSERT(statep->clnt_proceed == IBCM_UNBLOCK); 3894 statep->clnt_proceed = IBCM_FAIL; 3895 mutex_exit(&statep->state_mutex); 3896 3897 _NOTE(NOW_INVISIBLE_TO_OTHER_THREADS(*proceed_targs)) 3898 3899 /* the state machine processing is done in a separate thread */ 3900 3901 /* proceed_targs is freed in ibcm_proceed_via_taskq */ 3902 proceed_targs = kmem_alloc(sizeof (ibcm_proceed_targs_t), 3903 KM_SLEEP); 3904 3905 proceed_targs->event = event; 3906 proceed_targs->status = status; 3907 proceed_targs->priv_data_len = priv_data_len; 3908 3909 bcopy(priv_data, proceed_targs->priv_data, priv_data_len); 3910 3911 proceed_targs->tst.rc.statep = statep; 3912 bcopy(cm_event_data, &proceed_targs->tst.rc.rc_cm_event_data, 3913 sizeof (ibt_cm_proceed_reply_t)); 3914 3915 _NOTE(NOW_VISIBLE_TO_OTHER_THREADS(*proceed_targs)) 3916 3917 (void) taskq_dispatch(ibcm_taskq, ibcm_proceed_via_taskq, 3918 proceed_targs, TQ_SLEEP); 3919 3920 return (IBT_SUCCESS); 3921 } 3922 3923 /* 3924 * Function: 3925 * ibcm_proceed_via_taskq 3926 * 3927 * Called from taskq, dispatched by ibt_cm_proceed 3928 * Completes the cm state processing for ibt_cm_proceed 3929 */ 3930 void 3931 ibcm_proceed_via_taskq(void *targs) 3932 { 3933 ibcm_proceed_targs_t *proceed_targs = (ibcm_proceed_targs_t *)targs; 3934 ibcm_state_data_t *statep = proceed_targs->tst.rc.statep; 3935 ibt_cm_reason_t reject_reason; 3936 uint8_t arej_len; 3937 ibcm_status_t response; 3938 ibcm_clnt_reply_info_t clnt_info; 3939 3940 clnt_info.reply_event = &proceed_targs->tst.rc.rc_cm_event_data; 3941 clnt_info.priv_data = proceed_targs->priv_data; 3942 clnt_info.priv_data_len = proceed_targs->priv_data_len; 3943 3944 IBTF_DPRINTF_L4(cmlog, "ibcm_proceed_via_taskq chan 0x%p targs %x", 3945 statep->channel, targs); 3946 3947 if (proceed_targs->event == IBT_CM_EVENT_REQ_RCV) { 3948 response = 3949 ibcm_process_cep_req_cm_hdlr(statep, proceed_targs->status, 3950 &clnt_info, &reject_reason, &arej_len, 3951 (ibcm_req_msg_t *)statep->defer_cm_msg); 3952 3953 ibcm_handle_cep_req_response(statep, response, reject_reason, 3954 arej_len); 3955 3956 } else if (proceed_targs->event == IBT_CM_EVENT_REP_RCV) { 3957 response = 3958 ibcm_process_cep_rep_cm_hdlr(statep, proceed_targs->status, 3959 &clnt_info, &reject_reason, &arej_len, 3960 (ibcm_rep_msg_t *)statep->defer_cm_msg); 3961 3962 ibcm_handle_cep_rep_response(statep, response, reject_reason, 3963 arej_len, (ibcm_rep_msg_t *)statep->defer_cm_msg); 3964 3965 } else if (proceed_targs->event == IBT_CM_EVENT_LAP_RCV) { 3966 ibcm_process_cep_lap_cm_hdlr(statep, proceed_targs->status, 3967 &clnt_info, (ibcm_lap_msg_t *)statep->defer_cm_msg, 3968 (ibcm_apr_msg_t *)IBCM_OUT_MSGP(statep->lapr_msg)); 3969 3970 ibcm_post_apr_mad(statep); 3971 3972 } else { 3973 ASSERT(proceed_targs->event == IBT_CM_EVENT_CONN_CLOSED); 3974 ibcm_handle_cep_dreq_response(statep, proceed_targs->priv_data, 3975 proceed_targs->priv_data_len); 3976 } 3977 3978 kmem_free(targs, sizeof (ibcm_proceed_targs_t)); 3979 } 3980 3981 /* 3982 * Function: 3983 * ibt_cm_ud_proceed 3984 * 3985 * Verifies the arguments and dispatches the cm state machine processing 3986 * via taskq 3987 */ 3988 ibt_status_t 3989 ibt_cm_ud_proceed(void *session_id, ibt_channel_hdl_t ud_channel, 3990 ibt_cm_status_t status, ibt_redirect_info_t *redirect_infop, 3991 void *priv_data, ibt_priv_data_len_t priv_data_len) 3992 { 3993 ibcm_ud_state_data_t *ud_statep = (ibcm_ud_state_data_t *)session_id; 3994 ibcm_proceed_targs_t *proceed_targs; 3995 ibt_qp_query_attr_t qp_attr; 3996 ibt_status_t retval; 3997 3998 IBTF_DPRINTF_L3(cmlog, "ibt_cm_ud_proceed session_id %p " 3999 "ud_channel %p ", session_id, ud_channel); 4000 4001 IBTF_DPRINTF_L4(cmlog, "ibt_cm_ud_proceed status %x priv_data %p " 4002 "priv_data_len %x", status, priv_data, priv_data_len); 4003 4004 /* validate session_id and status */ 4005 if ((ud_statep == NULL) || (status == IBT_CM_DEFER)) { 4006 IBTF_DPRINTF_L2(cmlog, "ibt_cm_ud_proceed : Invalid Args"); 4007 return (IBT_INVALID_PARAM); 4008 } 4009 4010 /* If priv data len specified, then priv_data cannot be NULL */ 4011 if ((priv_data_len > 0) && (priv_data == NULL)) 4012 return (IBT_INVALID_PARAM); 4013 4014 if (priv_data_len > IBT_SIDR_REP_PRIV_DATA_SZ) 4015 return (IBT_INVALID_PARAM); 4016 4017 /* retrieve qpn and qkey from ud channel */ 4018 4019 /* validate event and statep's state */ 4020 4021 if (status == IBT_CM_ACCEPT) { 4022 retval = ibt_query_qp(ud_channel, &qp_attr); 4023 if ((retval != IBT_SUCCESS) || 4024 (qp_attr.qp_info.qp_trans != IBT_UD_SRV)) { 4025 IBTF_DPRINTF_L2(cmlog, "ibt_cm_ud_proceed: " 4026 "Failed to retrieve QPN from the channel: %d", 4027 retval); 4028 return (IBT_INVALID_PARAM); 4029 } 4030 } 4031 4032 4033 mutex_enter(&ud_statep->ud_state_mutex); 4034 4035 if (ud_statep->ud_state != IBCM_STATE_SIDR_REQ_RCVD) { 4036 mutex_exit(&ud_statep->ud_state_mutex); 4037 IBTF_DPRINTF_L2(cmlog, "ibt_cm_ud_proceed : Invalid State " 4038 "specified"); 4039 return (IBT_INVALID_PARAM); 4040 } 4041 4042 /* wait until client's CM handler returns DEFER status back to CM */ 4043 4044 while (ud_statep->ud_clnt_proceed == IBCM_BLOCK) { 4045 IBTF_DPRINTF_L5(cmlog, "ibt_cm_ud_proceed : Blocked for return" 4046 " of client's ud cm handler"); 4047 cv_wait(&ud_statep->ud_block_client_cv, 4048 &ud_statep->ud_state_mutex); 4049 } 4050 4051 if (ud_statep->ud_clnt_proceed == IBCM_FAIL) { 4052 mutex_exit(&ud_statep->ud_state_mutex); 4053 IBTF_DPRINTF_L2(cmlog, "ibt_cm_ud_proceed : Failed as client " 4054 "returned non-DEFER status from cm handler"); 4055 return (IBT_INVALID_PARAM); 4056 } 4057 4058 ASSERT(ud_statep->ud_clnt_proceed == IBCM_UNBLOCK); 4059 ud_statep->ud_clnt_proceed = IBCM_FAIL; 4060 mutex_exit(&ud_statep->ud_state_mutex); 4061 4062 _NOTE(NOW_INVISIBLE_TO_OTHER_THREADS(*proceed_targs)) 4063 4064 /* the state machine processing is done in a separate thread */ 4065 4066 /* proceed_targs is freed in ibcm_proceed_via_taskq */ 4067 proceed_targs = kmem_alloc(sizeof (ibcm_proceed_targs_t), 4068 KM_SLEEP); 4069 4070 proceed_targs->status = status; 4071 proceed_targs->priv_data_len = priv_data_len; 4072 4073 bcopy(priv_data, proceed_targs->priv_data, priv_data_len); 4074 4075 if (status == IBT_CM_ACCEPT) { 4076 proceed_targs->tst.ud.ud_qkey = 4077 qp_attr.qp_info.qp_transport.ud.ud_qkey; 4078 proceed_targs->tst.ud.ud_qpn = qp_attr.qp_qpn; 4079 } 4080 4081 proceed_targs->tst.ud.ud_statep = ud_statep; 4082 4083 /* copy redirect info based on status */ 4084 if (status == IBT_CM_REDIRECT) 4085 bcopy(redirect_infop, &proceed_targs->tst.ud.ud_redirect_info, 4086 sizeof (ibt_redirect_info_t)); 4087 4088 _NOTE(NOW_VISIBLE_TO_OTHER_THREADS(*proceed_targs)) 4089 4090 (void) taskq_dispatch(ibcm_taskq, ibcm_ud_proceed_via_taskq, 4091 proceed_targs, TQ_SLEEP); 4092 4093 return (IBT_SUCCESS); 4094 } 4095 4096 /* 4097 * Function: 4098 * ibcm_ud_proceed_via_taskq 4099 * 4100 * Called from taskq, dispatched by ibt_cm_ud_proceed 4101 * Completes the cm state processing for ibt_cm_ud_proceed 4102 */ 4103 void 4104 ibcm_ud_proceed_via_taskq(void *targs) 4105 { 4106 ibcm_proceed_targs_t *proceed_targs = (ibcm_proceed_targs_t *)targs; 4107 ibcm_ud_state_data_t *ud_statep = proceed_targs->tst.ud.ud_statep; 4108 ibcm_ud_clnt_reply_info_t ud_clnt_info; 4109 ibt_sidr_status_t sidr_status; 4110 4111 IBTF_DPRINTF_L4(cmlog, "ibcm_ud_proceed_via_taskq(%p)", targs); 4112 4113 ud_clnt_info.ud_qpn = proceed_targs->tst.ud.ud_qpn; 4114 ud_clnt_info.ud_qkey = proceed_targs->tst.ud.ud_qkey; 4115 ud_clnt_info.priv_data = proceed_targs->priv_data; 4116 ud_clnt_info.priv_data_len = proceed_targs->priv_data_len; 4117 ud_clnt_info.redirect_infop = &proceed_targs->tst.ud.ud_redirect_info; 4118 4119 /* validate event and statep's state */ 4120 ibcm_process_sidr_req_cm_hdlr(ud_statep, proceed_targs->status, 4121 &ud_clnt_info, &sidr_status, 4122 (ibcm_sidr_rep_msg_t *)IBCM_OUT_MSGP(ud_statep->ud_stored_msg)); 4123 4124 ibcm_post_sidr_rep_mad(ud_statep, sidr_status); 4125 4126 /* decr the statep ref cnt incremented in ibcm_process_sidr_req_msg */ 4127 mutex_enter(&ud_statep->ud_state_mutex); 4128 IBCM_UD_REF_CNT_DECR(ud_statep); 4129 mutex_exit(&ud_statep->ud_state_mutex); 4130 4131 kmem_free(targs, sizeof (ibcm_proceed_targs_t)); 4132 } 4133 4134 /* 4135 * Function: 4136 * ibt_set_alt_path 4137 * Input: 4138 * channel Channel handle returned from ibt_alloc_rc_channel(9F). 4139 * 4140 * mode Execute in blocking or non blocking mode. 4141 * 4142 * alt_path A pointer to an ibt_alt_path_info_t as returned from an 4143 * ibt_get_alt_path(9F) call that specifies the new 4144 * alternate path. 4145 * 4146 * priv_data A pointer to a buffer specified by caller for the 4147 * private data in the outgoing CM Load Alternate Path 4148 * (LAP) message sent to the remote host. This can be NULL 4149 * if no private data is available to communicate to the 4150 * remote node. 4151 * 4152 * priv_data_len Length of valid data in priv_data, this should be less 4153 * than or equal to IBT_LAP_PRIV_DATA_SZ. 4154 * 4155 * Output: 4156 * ret_args If called in blocking mode, points to a return argument 4157 * structure of type ibt_ap_returns_t. 4158 * 4159 * Returns: 4160 * IBT_SUCCESS on Success else appropriate error. 4161 * Description: 4162 * Load the specified alternate path. Causes the CM to send an LAP message 4163 * to the remote node. 4164 * Can only be called on a previously opened RC channel. 4165 */ 4166 ibt_status_t 4167 ibt_set_alt_path(ibt_channel_hdl_t channel, ibt_execution_mode_t mode, 4168 ibt_alt_path_info_t *alt_path, void *priv_data, 4169 ibt_priv_data_len_t priv_data_len, ibt_ap_returns_t *ret_args) 4170 { 4171 ibmf_handle_t ibmf_hdl; 4172 ibt_status_t status = IBT_SUCCESS; 4173 ibcm_lap_msg_t *lap_msgp; 4174 ibcm_hca_info_t *hcap; 4175 ibcm_state_data_t *statep; 4176 uint8_t port_no; 4177 ib_lid_t alternate_slid; 4178 ibt_priv_data_len_t len; 4179 ib_lid_t base_lid; 4180 boolean_t alt_grh; 4181 4182 IBTF_DPRINTF_L3(cmlog, "ibt_set_alt_path(%p, %x, %p, %p, %x, %p)", 4183 channel, mode, alt_path, priv_data, priv_data_len, ret_args); 4184 4185 /* validate channel */ 4186 if (IBCM_INVALID_CHANNEL(channel)) { 4187 IBTF_DPRINTF_L2(cmlog, "ibt_set_alt_path: invalid channel"); 4188 return (IBT_CHAN_HDL_INVALID); 4189 } 4190 4191 if (ibtl_cm_get_chan_type(channel) != IBT_RC_SRV) { 4192 IBTF_DPRINTF_L2(cmlog, "ibt_set_alt_path: " 4193 "Invalid Channel type: Applicable only to RC Channel"); 4194 return (IBT_CHAN_SRV_TYPE_INVALID); 4195 } 4196 4197 if (mode == IBT_NONBLOCKING) { 4198 if (ret_args != NULL) { 4199 IBTF_DPRINTF_L2(cmlog, "ibt_set_alt_path: " 4200 "ret_args should be NULL when called in " 4201 "non-blocking mode"); 4202 return (IBT_INVALID_PARAM); 4203 } 4204 } else if (mode == IBT_BLOCKING) { 4205 if (ret_args == NULL) { 4206 IBTF_DPRINTF_L2(cmlog, "ibt_set_alt_path: " 4207 "ret_args should be Non-NULL when called in " 4208 "blocking mode"); 4209 return (IBT_INVALID_PARAM); 4210 } 4211 if (ret_args->ap_priv_data_len > IBT_APR_PRIV_DATA_SZ) { 4212 IBTF_DPRINTF_L2(cmlog, "ibt_set_alt_path: " 4213 "expected private data length is too large"); 4214 return (IBT_INVALID_PARAM); 4215 } 4216 if ((ret_args->ap_priv_data_len > 0) && 4217 (ret_args->ap_priv_data == NULL)) { 4218 IBTF_DPRINTF_L2(cmlog, "ibt_set_alt_path: " 4219 "apr_priv_data_len > 0, but apr_priv_data NULL"); 4220 return (IBT_INVALID_PARAM); 4221 } 4222 } else { /* any other mode is not valid for ibt_set_alt_path */ 4223 IBTF_DPRINTF_L2(cmlog, "ibt_set_alt_path: " 4224 "invalid mode %x specified", mode); 4225 return (IBT_INVALID_PARAM); 4226 } 4227 4228 if ((port_no = alt_path->ap_alt_cep_path.cep_hca_port_num) == 0) 4229 return (IBT_INVALID_PARAM); 4230 4231 /* get the statep */ 4232 IBCM_GET_CHAN_PRIVATE(channel, statep); 4233 if (statep == NULL) { 4234 IBTF_DPRINTF_L2(cmlog, "ibt_set_alt_path: statep NULL"); 4235 return (IBT_CM_FAILURE); 4236 } 4237 4238 mutex_enter(&statep->state_mutex); 4239 IBCM_RELEASE_CHAN_PRIVATE(channel); 4240 IBCM_REF_CNT_INCR(statep); 4241 mutex_exit(&statep->state_mutex); 4242 4243 IBTF_DPRINTF_L4(cmlog, "ibt_set_alt_path: statep %p", statep); 4244 4245 hcap = statep->hcap; 4246 4247 /* HCA must have been in active state. If not, it's a client bug */ 4248 if (!IBCM_ACCESS_HCA_OK(hcap)) 4249 IBTF_DPRINTF_L2(cmlog, "ibt_set_alt_path: hca in error state"); 4250 4251 ASSERT(statep->cm_handler != NULL); 4252 4253 /* Check Alternate port */ 4254 status = ibt_get_port_state_byguid(hcap->hca_guid, port_no, NULL, 4255 &base_lid); 4256 if (status != IBT_SUCCESS) { 4257 IBTF_DPRINTF_L2(cmlog, "ibt_set_alt_path: " 4258 "ibt_get_port_state_byguid status %d ", status); 4259 mutex_enter(&statep->state_mutex); 4260 IBCM_REF_CNT_DECR(statep); 4261 mutex_exit(&statep->state_mutex); 4262 return (status); 4263 } 4264 4265 if ((hcap->hca_port_info[port_no - 1].port_ibmf_hdl == NULL) && 4266 ((status = ibcm_hca_reinit_port(hcap, port_no - 1)) 4267 != IBT_SUCCESS)) { 4268 IBTF_DPRINTF_L2(cmlog, "ibt_set_alt_path: " 4269 "ibmf reg or callback setup failed during re-initialize"); 4270 mutex_enter(&statep->state_mutex); 4271 IBCM_REF_CNT_DECR(statep); 4272 mutex_exit(&statep->state_mutex); 4273 return (status); 4274 } 4275 4276 ibmf_hdl = statep->stored_reply_addr.ibmf_hdl; 4277 4278 alternate_slid = base_lid + 4279 alt_path->ap_alt_cep_path.cep_adds_vect.av_src_path; 4280 4281 IBTF_DPRINTF_L4(cmlog, "ibt_set_alt_path: alternate SLID = %x", 4282 h2b16(alternate_slid)); 4283 4284 ibcm_rc_flow_control_enter(); /* limit how many run simultaneously */ 4285 4286 /* Allocate MAD for LAP */ 4287 if (statep->lapr_msg == NULL) 4288 if ((status = ibcm_alloc_out_msg(ibmf_hdl, &statep->lapr_msg, 4289 MAD_METHOD_SEND)) != IBT_SUCCESS) { 4290 ibcm_rc_flow_control_exit(); 4291 IBTF_DPRINTF_L2(cmlog, "ibt_set_alt_path: " 4292 "chan 0x%p ibcm_alloc_out_msg failed", channel); 4293 mutex_enter(&statep->state_mutex); 4294 IBCM_REF_CNT_DECR(statep); 4295 mutex_exit(&statep->state_mutex); 4296 return (status); 4297 } 4298 4299 mutex_enter(&statep->state_mutex); 4300 4301 IBTF_DPRINTF_L4(cmlog, "ibt_set_alt_path: connection state is" 4302 " %x", statep->state); 4303 4304 /* Check state */ 4305 if ((statep->state != IBCM_STATE_ESTABLISHED) || 4306 (statep->ap_state != IBCM_AP_STATE_IDLE)) { 4307 IBCM_REF_CNT_DECR(statep); 4308 mutex_exit(&statep->state_mutex); 4309 (void) ibcm_free_out_msg(ibmf_hdl, &statep->lapr_msg); 4310 ibcm_rc_flow_control_exit(); 4311 return (IBT_CHAN_STATE_INVALID); 4312 } else { 4313 /* Set to LAP Sent state */ 4314 statep->ap_state = IBCM_AP_STATE_LAP_SENT; 4315 statep->ap_done = B_FALSE; 4316 statep->remaining_retry_cnt = statep->max_cm_retries; 4317 statep->timer_stored_state = statep->state; 4318 statep->timer_stored_ap_state = statep->ap_state; 4319 IBCM_REF_CNT_INCR(statep); /* for ibcm_post_lap_complete */ 4320 } 4321 4322 mutex_exit(&statep->state_mutex); 4323 4324 /* No more failure returns below */ 4325 4326 /* Allocate MAD for LAP */ 4327 IBTF_DPRINTF_L5(cmlog, "ibt_set_alt_path:" 4328 " statep's mad addr = 0x%p", IBCM_OUT_HDRP(statep->lapr_msg)); 4329 4330 _NOTE(NOW_INVISIBLE_TO_OTHER_THREADS(*lap_msgp)) 4331 4332 lap_msgp = (ibcm_lap_msg_t *)IBCM_OUT_MSGP(statep->lapr_msg); 4333 4334 lap_msgp->lap_alt_l_port_lid = h2b16(alternate_slid); 4335 lap_msgp->lap_alt_r_port_lid = 4336 h2b16(alt_path->ap_alt_cep_path.cep_adds_vect.av_dlid); 4337 4338 /* Fill in remote port gid */ 4339 lap_msgp->lap_alt_r_port_gid.gid_prefix = 4340 h2b64(alt_path->ap_alt_cep_path.cep_adds_vect.av_dgid.gid_prefix); 4341 lap_msgp->lap_alt_r_port_gid.gid_guid = 4342 h2b64(alt_path->ap_alt_cep_path.cep_adds_vect.av_dgid.gid_guid); 4343 4344 /* Fill in local port gid */ 4345 lap_msgp->lap_alt_l_port_gid.gid_prefix = 4346 h2b64(alt_path->ap_alt_cep_path.cep_adds_vect.av_sgid.gid_prefix); 4347 lap_msgp->lap_alt_l_port_gid.gid_guid = 4348 h2b64(alt_path->ap_alt_cep_path.cep_adds_vect.av_sgid.gid_guid); 4349 4350 alt_grh = alt_path->ap_alt_cep_path.cep_adds_vect.av_send_grh; 4351 4352 /* alternate_flow_label, and alternate srate, alternate traffic class */ 4353 lap_msgp->lap_alt_srate_plus = 4354 alt_path->ap_alt_cep_path.cep_adds_vect.av_srate & 0x3f; 4355 lap_msgp->lap_alt_flow_label_plus = h2b32(((alt_grh == B_TRUE) ? 4356 (alt_path->ap_alt_cep_path.cep_adds_vect.av_flow << 12) : 0) | 4357 alt_path->ap_alt_cep_path.cep_adds_vect.av_tclass); 4358 4359 /* Alternate hop limit, service level */ 4360 lap_msgp->lap_alt_hop_limit = (alt_grh == B_TRUE) ? 4361 alt_path->ap_alt_cep_path.cep_adds_vect.av_hop : 0xff; 4362 lap_msgp->lap_alt_sl_plus = 4363 alt_path->ap_alt_cep_path.cep_adds_vect.av_srvl << 4 | 4364 ((alt_grh == B_FALSE) ? 0x8 : 0); 4365 4366 lap_msgp->lap_alt_local_acktime_plus = ibt_usec2ib( 4367 (2 * statep->rc_alt_pkt_lt) + 4368 ibt_ib2usec(hcap->hca_ack_delay)) << 3; 4369 4370 lap_msgp->lap_local_comm_id = h2b32(statep->local_comid); 4371 lap_msgp->lap_remote_comm_id = h2b32(statep->remote_comid); 4372 4373 lap_msgp->lap_remote_qpn_eecn_plus = 4374 h2b32((statep->remote_qpn << 8) | 4375 ibt_usec2ib(ibcm_remote_response_time) << 3); 4376 4377 len = min(priv_data_len, IBT_LAP_PRIV_DATA_SZ); 4378 if ((len > 0) && priv_data) { 4379 bcopy(priv_data, lap_msgp->lap_private_data, len); 4380 } 4381 4382 /* only rc_alt_pkt_lt and ap_return_data fields are initialized */ 4383 _NOTE(NOW_INVISIBLE_TO_OTHER_THREADS(*statep)) 4384 4385 statep->rc_alt_pkt_lt = ibt_ib2usec(alt_path->ap_alt_pkt_lt); 4386 4387 /* return_data is filled up in the state machine code */ 4388 statep->ap_return_data = ret_args; 4389 4390 _NOTE(NOW_VISIBLE_TO_OTHER_THREADS(*statep)) 4391 4392 IBCM_OUT_HDRP(statep->lapr_msg)->AttributeID = 4393 h2b16(IBCM_INCOMING_LAP + IBCM_ATTR_BASE_ID); 4394 4395 IBCM_OUT_HDRP(statep->lapr_msg)->TransactionID = 4396 h2b64(ibcm_generate_tranid(IBCM_INCOMING_LAP, statep->local_comid, 4397 0)); 4398 IBTF_DPRINTF_L3(cmlog, "ibt_set_alt_path: statep %p, tid %llx", 4399 statep, IBCM_OUT_HDRP(statep->lapr_msg)->TransactionID); 4400 4401 _NOTE(NOW_VISIBLE_TO_OTHER_THREADS(*lap_msgp)) 4402 4403 /* Send LAP */ 4404 ibcm_post_rc_mad(statep, statep->lapr_msg, ibcm_post_lap_complete, 4405 statep); 4406 4407 mutex_enter(&statep->state_mutex); 4408 4409 if (mode == IBT_BLOCKING) { 4410 IBTF_DPRINTF_L4(cmlog, "ibt_set_alt_path: blocking"); 4411 4412 /* wait for APR */ 4413 while (statep->ap_done != B_TRUE) { 4414 cv_wait(&statep->block_client_cv, 4415 &statep->state_mutex); 4416 } 4417 4418 IBTF_DPRINTF_L4(cmlog, "ibt_set_alt_path: done blocking"); 4419 4420 /* 4421 * In the case that ibt_set_alt_path fails, 4422 * change retval to IBT_CM_FAILURE 4423 */ 4424 if (statep->ap_return_data->ap_status != IBT_CM_AP_LOADED) 4425 status = IBT_CM_FAILURE; 4426 4427 } 4428 4429 /* decrement the ref-count before leaving here */ 4430 IBCM_REF_CNT_DECR(statep); 4431 4432 mutex_exit(&statep->state_mutex); 4433 4434 /* If this message isn't seen then ibt_set_alt_path failed */ 4435 IBTF_DPRINTF_L4(cmlog, "ibt_set_alt_path: done"); 4436 4437 return (status); 4438 } 4439 4440 4441 #ifdef DEBUG 4442 4443 /* 4444 * ibcm_query_classport_info: 4445 * Query classportinfo 4446 * 4447 * INPUTS: 4448 * channel - Channel that is associated with a statep 4449 * 4450 * RETURN VALUE: NONE 4451 * This function is currently used to generate a valid get method classport 4452 * info, and test CM functionality. There is no ibtl client interface to 4453 * generate a classportinfo. It is possible that CM may use classportinfo 4454 * from other nodes in the future, and most of the code below could be re-used. 4455 */ 4456 void 4457 ibcm_query_classport_info(ibt_channel_hdl_t channel) 4458 { 4459 ibcm_state_data_t *statep; 4460 ibmf_msg_t *msgp; 4461 4462 IBTF_DPRINTF_L2(cmlog, "ibcm_query_classport_info(%p)", channel); 4463 4464 /* validate channel, first */ 4465 if (IBCM_INVALID_CHANNEL(channel)) { 4466 IBTF_DPRINTF_L2(cmlog, "ibcm_query_classport_info: " 4467 "invalid channel (%p)", channel); 4468 return; 4469 } 4470 4471 /* get the statep */ 4472 IBCM_GET_CHAN_PRIVATE(channel, statep); 4473 4474 /* 4475 * This can happen, if the statep is already gone by a DREQ from 4476 * the remote side 4477 */ 4478 if (statep == NULL) { 4479 IBTF_DPRINTF_L2(cmlog, "ibcm_query_classport_info: " 4480 "statep NULL"); 4481 return; 4482 } 4483 4484 mutex_enter(&statep->state_mutex); 4485 IBCM_RELEASE_CHAN_PRIVATE(channel); 4486 IBCM_REF_CNT_INCR(statep); 4487 mutex_exit(&statep->state_mutex); 4488 4489 /* Debug/test code, so don't care about return status */ 4490 (void) ibcm_alloc_out_msg(statep->stored_reply_addr.ibmf_hdl, &msgp, 4491 MAD_METHOD_GET); 4492 4493 IBCM_OUT_HDRP(msgp)->TransactionID = h2b64(ibcm_generate_tranid( 4494 MAD_ATTR_ID_CLASSPORTINFO, statep->local_comid, 0)); 4495 IBCM_OUT_HDRP(msgp)->AttributeID = h2b16(MAD_ATTR_ID_CLASSPORTINFO); 4496 4497 (void) ibcm_post_mad(msgp, &statep->stored_reply_addr, NULL, NULL); 4498 4499 IBTF_DPRINTF_L2(cmlog, "ibcm_query_classport_info(%p) " 4500 "Get method MAD posted ", channel); 4501 4502 (void) ibcm_free_out_msg(statep->stored_reply_addr.ibmf_hdl, &msgp); 4503 4504 mutex_enter(&statep->state_mutex); 4505 IBCM_REF_CNT_DECR(statep); 4506 mutex_exit(&statep->state_mutex); 4507 } 4508 4509 static void 4510 ibcm_print_reply_addr(ibt_channel_hdl_t channel, ibcm_mad_addr_t *cm_reply_addr) 4511 { 4512 IBTF_DPRINTF_L4(cmlog, "ibcm_print_reply_addr: chan 0x%p, SLID %x, " 4513 "DLID %x", channel, cm_reply_addr->rcvd_addr.ia_local_lid, 4514 cm_reply_addr->rcvd_addr.ia_remote_lid); 4515 4516 IBTF_DPRINTF_L4(cmlog, "ibcm_print_reply_addr: QKEY %x, PKEY %x, " 4517 "RQPN %x SL %x", cm_reply_addr->rcvd_addr.ia_q_key, 4518 cm_reply_addr->rcvd_addr.ia_p_key, 4519 cm_reply_addr->rcvd_addr.ia_remote_qno, 4520 cm_reply_addr->rcvd_addr.ia_service_level); 4521 4522 IBTF_DPRINTF_L4(cmlog, "ibcm_print_reply_addr: CM SGID %llX:%llX ", 4523 cm_reply_addr->grh_hdr.ig_sender_gid.gid_prefix, 4524 cm_reply_addr->grh_hdr.ig_sender_gid.gid_guid); 4525 4526 IBTF_DPRINTF_L4(cmlog, "ibcm_print_reply_addr: CM DGID %llX:%llX", 4527 cm_reply_addr->grh_hdr.ig_recver_gid.gid_prefix, 4528 cm_reply_addr->grh_hdr.ig_recver_gid.gid_guid); 4529 4530 IBTF_DPRINTF_L4(cmlog, "ibcm_print_reply_addr: CM FL %x TC %x HL %x", 4531 cm_reply_addr->grh_hdr.ig_flow_label, 4532 cm_reply_addr->grh_hdr.ig_tclass, 4533 cm_reply_addr->grh_hdr.ig_hop_limit); 4534 } 4535 4536 #endif 4537 4538 typedef struct ibcm_join_mcg_tqarg_s { 4539 ib_gid_t rgid; 4540 ibt_mcg_attr_t mcg_attr; 4541 ibt_mcg_info_t *mcg_infop; 4542 ibt_mcg_handler_t func; 4543 void *arg; 4544 } ibcm_join_mcg_tqarg_t; 4545 4546 _NOTE(READ_ONLY_DATA(ibcm_join_mcg_tqarg_s)) 4547 4548 /* 4549 * Function: 4550 * ibt_join_mcg 4551 * Input: 4552 * rgid The request GID that defines the HCA port from which a 4553 * contact to SA Access is performed to add the specified 4554 * endport GID ((mcg_attr->mc_pgid) to a multicast group. 4555 * If mcg_attr->mc_pgid is null, then this (rgid) will be 4556 * treated as endport GID that is to be added to the 4557 * multicast group. 4558 * 4559 * mcg_attr A pointer to an ibt_mcg_attr_t structure that defines 4560 * the attributes of the desired multicast group to be 4561 * created or joined. 4562 * 4563 * func NULL or a pointer to a function to call when 4564 * ibt_join_mcg() completes. If 'func' is not NULL then 4565 * ibt_join_mcg() will return as soon as possible after 4566 * initiating the multicast group join/create process. 4567 * 'func' is then called when the process completes. 4568 * 4569 * arg Argument to the 'func'. 4570 * 4571 * Output: 4572 * mcg_info_p A pointer to the ibt_mcg_info_t structure, allocated 4573 * by the caller, where the attributes of the created or 4574 * joined multicast group are copied. 4575 * Returns: 4576 * IBT_SUCCESS 4577 * IBT_INVALID_PARAM 4578 * IBT_MCG_RECORDS_NOT_FOUND 4579 * IBT_INSUFF_RESOURCE 4580 * Description: 4581 * Join a multicast group. The first full member "join" causes the MCG 4582 * to be created. 4583 */ 4584 ibt_status_t 4585 ibt_join_mcg(ib_gid_t rgid, ibt_mcg_attr_t *mcg_attr, 4586 ibt_mcg_info_t *mcg_info_p, ibt_mcg_handler_t func, void *arg) 4587 { 4588 ibcm_join_mcg_tqarg_t *mcg_tq; 4589 int flag = ((func == NULL) ? KM_SLEEP : KM_NOSLEEP); 4590 4591 IBTF_DPRINTF_L3(cmlog, "ibt_join_mcg(%llX:%llX, %p)", rgid.gid_prefix, 4592 rgid.gid_guid, mcg_attr); 4593 4594 if ((rgid.gid_prefix == 0) || (rgid.gid_guid == 0)) { 4595 IBTF_DPRINTF_L2(cmlog, "ibt_join_mcg: Request GID is required"); 4596 return (IBT_INVALID_PARAM); 4597 } 4598 4599 if ((mcg_attr->mc_pkey == IB_PKEY_INVALID_LIMITED) || 4600 (mcg_attr->mc_pkey == IB_PKEY_INVALID_FULL)) { 4601 IBTF_DPRINTF_L2(cmlog, "ibt_join_mcg: Invalid P_Key specified"); 4602 return (IBT_INVALID_PARAM); 4603 } 4604 4605 if (mcg_attr->mc_join_state == 0) { 4606 IBTF_DPRINTF_L2(cmlog, "ibt_join_mcg: JoinState not specified"); 4607 return (IBT_INVALID_PARAM); 4608 } 4609 4610 if (mcg_info_p == NULL) { 4611 IBTF_DPRINTF_L2(cmlog, "ibt_join_mcg: mcg_info_p is NULL"); 4612 return (IBT_INVALID_PARAM); 4613 } 4614 4615 _NOTE(NOW_INVISIBLE_TO_OTHER_THREADS(*mcg_tq)) 4616 4617 mcg_tq = kmem_alloc(sizeof (ibcm_join_mcg_tqarg_t), flag); 4618 if (mcg_tq == NULL) { 4619 IBTF_DPRINTF_L2(cmlog, "ibt_join_mcg: " 4620 "Unable to allocate memory for local usage."); 4621 return (IBT_INSUFF_KERNEL_RESOURCE); 4622 } 4623 4624 mcg_tq->rgid = rgid; 4625 bcopy(mcg_attr, &mcg_tq->mcg_attr, sizeof (ibt_mcg_attr_t)); 4626 mcg_tq->mcg_infop = mcg_info_p; 4627 mcg_tq->func = func; 4628 mcg_tq->arg = arg; 4629 4630 _NOTE(NOW_VISIBLE_TO_OTHER_THREADS(*mcg_tq)) 4631 4632 if (func != NULL) { /* Non-Blocking */ 4633 IBTF_DPRINTF_L3(cmlog, "ibt_join_mcg: Non-Blocking Call"); 4634 if (taskq_dispatch(ibcm_taskq, ibcm_process_async_join_mcg, 4635 mcg_tq, TQ_NOSLEEP) == 0) { 4636 IBTF_DPRINTF_L2(cmlog, "ibt_join_mcg: Failed to " 4637 "Dispatch the TaskQ"); 4638 kmem_free(mcg_tq, sizeof (ibcm_join_mcg_tqarg_t)); 4639 return (IBT_INSUFF_KERNEL_RESOURCE); 4640 } else 4641 return (IBT_SUCCESS); 4642 } else { /* Blocking */ 4643 return (ibcm_process_join_mcg(mcg_tq)); 4644 } 4645 } 4646 4647 static void 4648 ibcm_process_async_join_mcg(void *tq_arg) 4649 { 4650 (void) ibcm_process_join_mcg(tq_arg); 4651 } 4652 4653 static ibt_status_t 4654 ibcm_process_join_mcg(void *taskq_arg) 4655 { 4656 sa_mcmember_record_t mcg_req; 4657 sa_mcmember_record_t *mcg_resp; 4658 ibmf_saa_access_args_t access_args; 4659 ibmf_saa_handle_t saa_handle; 4660 uint64_t component_mask = 0; 4661 ibt_status_t retval; 4662 ibtl_cm_hca_port_t hca_port; 4663 uint_t num_records; 4664 size_t length; 4665 ibcm_hca_info_t *hcap; 4666 ibcm_join_mcg_tqarg_t *mcg_arg = (ibcm_join_mcg_tqarg_t *)taskq_arg; 4667 ibt_mcg_info_t *mcg_info_p = mcg_arg->mcg_infop; 4668 4669 IBTF_DPRINTF_L3(cmlog, "ibcm_process_join_mcg(%p)", mcg_arg); 4670 4671 retval = ibtl_cm_get_hca_port(mcg_arg->rgid, 0, &hca_port); 4672 if (retval != IBT_SUCCESS) { 4673 IBTF_DPRINTF_L2(cmlog, "ibcm_process_join_mcg: Failed to get " 4674 "port info from specified RGID: status = %d", retval); 4675 goto ibcm_join_mcg_exit1; 4676 } 4677 4678 bzero(&mcg_req, sizeof (sa_mcmember_record_t)); 4679 4680 if ((mcg_arg->mcg_attr.mc_pgid.gid_prefix == 0) || 4681 (mcg_arg->mcg_attr.mc_pgid.gid_guid == 0)) { 4682 IBTF_DPRINTF_L3(cmlog, "ibcm_process_join_mcg: " 4683 "Request GID is Port GID"); 4684 mcg_req.PortGID = mcg_arg->rgid; 4685 } else { 4686 mcg_req.PortGID = mcg_arg->mcg_attr.mc_pgid; 4687 } 4688 component_mask |= SA_MC_COMPMASK_PORTGID; 4689 4690 mcg_req.Q_Key = mcg_arg->mcg_attr.mc_qkey; 4691 mcg_req.P_Key = mcg_arg->mcg_attr.mc_pkey; 4692 mcg_req.JoinState = mcg_arg->mcg_attr.mc_join_state; 4693 mcg_req.TClass = mcg_arg->mcg_attr.mc_tclass; 4694 mcg_req.FlowLabel = mcg_arg->mcg_attr.mc_flow; 4695 mcg_req.SL = mcg_arg->mcg_attr.mc_sl; 4696 4697 component_mask |= SA_MC_COMPMASK_QKEY | SA_MC_COMPMASK_PKEY | 4698 SA_MC_COMPMASK_JOINSTATE | SA_MC_COMPMASK_TCLASS | 4699 SA_MC_COMPMASK_FLOWLABEL | SA_MC_COMPMASK_SL; 4700 4701 /* If client has specified MGID, use it else SA will assign one. */ 4702 if ((mcg_arg->mcg_attr.mc_mgid.gid_prefix >> 56ULL & 0xFF) == 0xFF) { 4703 mcg_req.MGID = mcg_arg->mcg_attr.mc_mgid; 4704 component_mask |= SA_MC_COMPMASK_MGID; 4705 } 4706 4707 IBTF_DPRINTF_L3(cmlog, "ibcm_process_join_mcg: PGID=%llX:%llX, " 4708 "MGID=%llX:%llX", mcg_req.PortGID.gid_prefix, 4709 mcg_req.PortGID.gid_guid, mcg_req.MGID.gid_prefix, 4710 mcg_req.MGID.gid_guid); 4711 4712 /* Is MTU specified. */ 4713 if (mcg_arg->mcg_attr.mc_mtu_req.r_mtu) { 4714 mcg_req.MTU = mcg_arg->mcg_attr.mc_mtu_req.r_mtu; 4715 mcg_req.MTUSelector = mcg_arg->mcg_attr.mc_mtu_req.r_selector; 4716 4717 component_mask |= SA_MC_COMPMASK_MTUSELECTOR | 4718 SA_MC_COMPMASK_MTU; 4719 } 4720 4721 /* Is RATE specified. */ 4722 if (mcg_arg->mcg_attr.mc_rate_req.r_srate) { 4723 mcg_req.Rate = mcg_arg->mcg_attr.mc_rate_req.r_srate; 4724 mcg_req.RateSelector = 4725 mcg_arg->mcg_attr.mc_rate_req.r_selector; 4726 4727 component_mask |= SA_MC_COMPMASK_RATESELECTOR | 4728 SA_MC_COMPMASK_RATE; 4729 } 4730 4731 /* Is Packet Life Time specified. */ 4732 if (mcg_arg->mcg_attr.mc_pkt_lt_req.p_pkt_lt) { 4733 mcg_req.Rate = mcg_arg->mcg_attr.mc_pkt_lt_req.p_pkt_lt; 4734 mcg_req.RateSelector = 4735 mcg_arg->mcg_attr.mc_pkt_lt_req.p_selector; 4736 4737 component_mask |= SA_MC_COMPMASK_PKTLTSELECTOR | 4738 SA_MC_COMPMASK_PKTLT; 4739 } 4740 4741 if (mcg_arg->mcg_attr.mc_hop) { 4742 mcg_req.HopLimit = mcg_arg->mcg_attr.mc_hop; 4743 component_mask |= SA_MC_COMPMASK_HOPLIMIT; 4744 } 4745 4746 if (mcg_arg->mcg_attr.mc_scope) { 4747 mcg_req.Scope = mcg_arg->mcg_attr.mc_scope; 4748 component_mask |= SA_MC_COMPMASK_SCOPE; 4749 } 4750 4751 if (mcg_arg->mcg_attr.mc_mlid) { 4752 mcg_req.MLID = mcg_arg->mcg_attr.mc_mlid; 4753 component_mask |= SA_MC_COMPMASK_MLID; 4754 } 4755 4756 /* Get SA Access Handle. */ 4757 hcap = ibcm_find_hca_entry(hca_port.hp_hca_guid); 4758 if (hcap == NULL) { 4759 IBTF_DPRINTF_L2(cmlog, "ibcm_process_join_mcg: NO HCA found"); 4760 4761 retval = IBT_HCA_BUSY_DETACHING; 4762 goto ibcm_join_mcg_exit1; 4763 } 4764 4765 saa_handle = ibcm_get_saa_handle(hcap, hca_port.hp_port); 4766 if (saa_handle == NULL) { 4767 IBTF_DPRINTF_L2(cmlog, "ibcm_process_join_mcg: SA Handle NULL"); 4768 4769 retval = IBT_HCA_PORT_NOT_ACTIVE; 4770 goto ibcm_join_mcg_exit; 4771 } 4772 4773 if ((mcg_arg->mcg_attr.mc_pgid.gid_prefix != 0) && 4774 (mcg_arg->mcg_attr.mc_pgid.gid_guid != 0)) { 4775 retval = ibtl_cm_get_hca_port(mcg_arg->mcg_attr.mc_pgid, 0, 4776 &hca_port); 4777 if (retval != IBT_SUCCESS) { 4778 IBTF_DPRINTF_L2(cmlog, "ibcm_process_join_mcg: Failed " 4779 "to get PortInfo of specified PGID: status = %d", 4780 retval); 4781 goto ibcm_join_mcg_exit1; 4782 } 4783 } 4784 4785 /* Contact SA Access */ 4786 access_args.sq_attr_id = SA_MCMEMBERRECORD_ATTRID; 4787 access_args.sq_access_type = IBMF_SAA_UPDATE; 4788 access_args.sq_component_mask = component_mask; 4789 access_args.sq_template = &mcg_req; 4790 access_args.sq_template_length = sizeof (sa_mcmember_record_t); 4791 access_args.sq_callback = NULL; 4792 access_args.sq_callback_arg = NULL; 4793 4794 retval = ibcm_contact_sa_access(saa_handle, &access_args, &length, 4795 (void **)&mcg_resp); 4796 if (retval != IBT_SUCCESS) { 4797 IBTF_DPRINTF_L2(cmlog, "ibcm_process_join_mcg: " 4798 "SA Access Failed"); 4799 goto ibcm_join_mcg_exit; 4800 } 4801 4802 num_records = length/sizeof (sa_mcmember_record_t); 4803 4804 IBTF_DPRINTF_L4(cmlog, "ibcm_process_join_mcg: " 4805 "Found %d MCMember Records", num_records); 4806 4807 /* Validate the returned number of records. */ 4808 if ((mcg_resp != NULL) && (num_records > 0)) { 4809 /* Update the return values. */ 4810 mcg_info_p->mc_adds_vect.av_dgid = mcg_resp->MGID; 4811 mcg_info_p->mc_adds_vect.av_sgid = mcg_resp->PortGID; 4812 mcg_info_p->mc_adds_vect.av_srate = mcg_resp->Rate; 4813 mcg_info_p->mc_adds_vect.av_srvl = mcg_resp->SL; 4814 mcg_info_p->mc_adds_vect.av_flow = mcg_resp->FlowLabel; 4815 mcg_info_p->mc_adds_vect.av_tclass = mcg_resp->TClass; 4816 mcg_info_p->mc_adds_vect.av_hop = mcg_resp->HopLimit; 4817 mcg_info_p->mc_adds_vect.av_send_grh = B_TRUE; 4818 mcg_info_p->mc_adds_vect.av_dlid = mcg_resp->MLID; 4819 mcg_info_p->mc_mtu = mcg_resp->MTU; 4820 mcg_info_p->mc_qkey = mcg_resp->Q_Key; 4821 4822 retval = ibt_pkey2index_byguid(hca_port.hp_hca_guid, 4823 hca_port.hp_port, mcg_resp->P_Key, &mcg_info_p->mc_pkey_ix); 4824 if (retval != IBT_SUCCESS) { 4825 IBTF_DPRINTF_L3(cmlog, "ibcm_process_join_mcg: " 4826 "Pkey2Index Conversion failed<%d>", retval); 4827 mcg_info_p->mc_pkey_ix = 0; 4828 } 4829 4830 mcg_info_p->mc_scope = mcg_resp->Scope; 4831 mcg_info_p->mc_pkt_lt = mcg_resp->PacketLifeTime; 4832 4833 mcg_info_p->mc_adds_vect.av_port_num = hca_port.hp_port; 4834 mcg_info_p->mc_adds_vect.av_sgid_ix = hca_port.hp_sgid_ix; 4835 mcg_info_p->mc_adds_vect.av_src_path = 0; 4836 4837 /* Deallocate the memory allocated by SA for mcg_resp. */ 4838 kmem_free(mcg_resp, length); 4839 retval = IBT_SUCCESS; 4840 } else { 4841 retval = IBT_MCG_RECORDS_NOT_FOUND; 4842 IBTF_DPRINTF_L3(cmlog, "ibcm_process_join_mcg: " 4843 "MCG RECORDS NOT FOUND"); 4844 } 4845 4846 ibcm_join_mcg_exit: 4847 ibcm_dec_hca_acc_cnt(hcap); 4848 4849 ibcm_join_mcg_exit1: 4850 if (mcg_arg->func) 4851 (*(mcg_arg->func))(mcg_arg->arg, retval, mcg_info_p); 4852 4853 kmem_free(mcg_arg, sizeof (ibcm_join_mcg_tqarg_t)); 4854 4855 return (retval); 4856 } 4857 4858 4859 /* 4860 * Function: 4861 * ibt_leave_mcg 4862 * Input: 4863 * rgid The request GID that defines the HCA port upon which 4864 * to send the request to the Subnet Administrator, to 4865 * remove the specified port (port_gid) from the multicast 4866 * group. If 'port_gid' is the Reserved GID (i.e. 4867 * port_gid.gid_prefix = 0 and port_gid.gid_guid = 0), 4868 * then the end-port associated with 'rgid' is removed 4869 * from the multicast group. 4870 * 4871 * mc_gid A multicast group GID as returned from ibt_join_mcg() 4872 * call. This is optional, if not specified (i.e. 4873 * mc_gid.gid_prefix has 0xFF in its upper 8 bits to 4874 * identify this as being a multicast GID), then the 4875 * port is removed from all the multicast groups of 4876 * which it is a member. 4877 * 4878 * port_gid This is optional, if not the Reserved GID (gid_prefix 4879 * and gid_guid not equal to 0), then this specifies the 4880 * endport GID of the multicast group member being deleted 4881 * from the group. If it is the Reserved GID (gid_prefix 4882 * and gid_guid equal to 0) then the member endport GID is 4883 * determined from 'rgid'. 4884 * 4885 * mc_join_state The Join State attribute used when the group was joined 4886 * using ibt_join_mcg(). This Join State component must 4887 * contains at least one bit set to 1 in the same position 4888 * as that used during ibt_join_mcg(). i.e. the logical 4889 * AND of the two JoinState components is not all zeros. 4890 * This Join State component must not have some bits set 4891 * which are not set using ibt_join_mcg(). 4892 * Output: 4893 * None. 4894 * Returns: 4895 * IBT_SUCCESS 4896 * IBT_INVALID_PARAM 4897 * IBT_MC_GROUP_INVALID 4898 * IBT_INSUFF_RESOURCE 4899 * Description: 4900 * The port associated with the port GID shall be removed from the 4901 * multicast group specified by MGID (mc_gid) or from all the multicast 4902 * groups of which it is a member if the MGID (mc_gid) is not specified. 4903 * 4904 * The last full member to leave causes the destruction of the Multicast 4905 * Group. 4906 */ 4907 ibt_status_t 4908 ibt_leave_mcg(ib_gid_t rgid, ib_gid_t mc_gid, ib_gid_t port_gid, 4909 uint8_t mc_join_state) 4910 { 4911 sa_mcmember_record_t mcg_req; 4912 ibmf_saa_access_args_t access_args; 4913 ibmf_saa_handle_t saa_handle; 4914 uint64_t component_mask = 0; 4915 int sa_retval; 4916 ibt_status_t retval; 4917 ibtl_cm_hca_port_t hca_port; 4918 size_t length; 4919 void *results_p; 4920 ibcm_hca_info_t *hcap; 4921 4922 IBTF_DPRINTF_L3(cmlog, "ibt_leave_mcg(%llX:%llX, %llX:%llX)", 4923 rgid.gid_prefix, rgid.gid_guid, mc_gid.gid_prefix, mc_gid.gid_guid); 4924 4925 IBTF_DPRINTF_L3(cmlog, "ibt_leave_mcg(%llX:%llX, 0x%X)", 4926 port_gid.gid_prefix, port_gid.gid_guid, mc_join_state); 4927 4928 if ((rgid.gid_prefix == 0) || (rgid.gid_guid == 0)) { 4929 IBTF_DPRINTF_L2(cmlog, "ibt_leave_mcg: RequestGID is required"); 4930 return (IBT_INVALID_PARAM); 4931 } 4932 4933 bzero(&mcg_req, sizeof (sa_mcmember_record_t)); 4934 4935 IBTF_DPRINTF_L3(cmlog, "ibt_leave_mcg: MGID: %llX%llX", 4936 mc_gid.gid_prefix, mc_gid.gid_guid); 4937 4938 /* Validate MGID */ 4939 if ((mc_gid.gid_prefix >> 56ULL & 0xFF) == 0xFF) { 4940 mcg_req.MGID = mc_gid; 4941 component_mask |= SA_MC_COMPMASK_MGID; 4942 } else if ((mc_gid.gid_prefix != 0) || (mc_gid.gid_guid != 0)) { 4943 IBTF_DPRINTF_L3(cmlog, "ibt_leave_mcg: Invalid MGID specified"); 4944 return (IBT_MC_MGID_INVALID); 4945 } 4946 4947 if ((port_gid.gid_prefix == 0) || (port_gid.gid_guid == 0)) { 4948 mcg_req.PortGID = rgid; 4949 } else { 4950 IBTF_DPRINTF_L3(cmlog, "ibt_leave_mcg: Performing PROXY Leave"); 4951 mcg_req.PortGID = port_gid; 4952 } 4953 component_mask |= SA_MC_COMPMASK_PORTGID; 4954 4955 IBTF_DPRINTF_L3(cmlog, "ibt_leave_mcg: Port GID <%llX:%llX>", 4956 mcg_req.PortGID.gid_prefix, mcg_req.PortGID.gid_guid); 4957 4958 /* Join State */ 4959 mcg_req.JoinState = mc_join_state; 4960 component_mask |= SA_MC_COMPMASK_JOINSTATE; 4961 4962 retval = ibtl_cm_get_hca_port(rgid, 0, &hca_port); 4963 if (retval != IBT_SUCCESS) { 4964 IBTF_DPRINTF_L2(cmlog, "ibt_leave_mcg: Failed to get port info " 4965 "from specified RGID : status = %d", retval); 4966 return (retval); 4967 } 4968 4969 /* Get SA Access Handle. */ 4970 hcap = ibcm_find_hca_entry(hca_port.hp_hca_guid); 4971 if (hcap == NULL) { 4972 IBTF_DPRINTF_L2(cmlog, "ibt_leave_mcg: " 4973 "NO HCA found"); 4974 return (IBT_HCA_BUSY_DETACHING); 4975 } 4976 4977 saa_handle = ibcm_get_saa_handle(hcap, hca_port.hp_port); 4978 if (saa_handle == NULL) { 4979 IBTF_DPRINTF_L2(cmlog, "ibt_leave_mcg: saa_handle is NULL"); 4980 ibcm_dec_hca_acc_cnt(hcap); 4981 return (IBT_HCA_PORT_NOT_ACTIVE); 4982 } 4983 4984 /* Contact SA Access */ 4985 access_args.sq_attr_id = SA_MCMEMBERRECORD_ATTRID; 4986 access_args.sq_access_type = IBMF_SAA_DELETE; 4987 access_args.sq_component_mask = component_mask; 4988 access_args.sq_template = &mcg_req; 4989 access_args.sq_template_length = sizeof (sa_mcmember_record_t); 4990 access_args.sq_callback = NULL; 4991 access_args.sq_callback_arg = NULL; 4992 4993 ibcm_sa_access_enter(); 4994 4995 sa_retval = ibmf_sa_access(saa_handle, &access_args, 0, &length, 4996 &results_p); 4997 if (sa_retval != IBMF_SUCCESS) { 4998 IBTF_DPRINTF_L2(cmlog, "ibt_leave_mcg: SA access Failed: %d", 4999 sa_retval); 5000 (void) ibcm_ibmf_analyze_error(sa_retval); 5001 retval = IBT_MC_GROUP_INVALID; 5002 } 5003 5004 ibcm_sa_access_exit(); 5005 5006 ibcm_dec_hca_acc_cnt(hcap); 5007 5008 return (retval); 5009 } 5010 5011 5012 /* 5013 * Function: 5014 * ibt_query_mcg 5015 * Input: 5016 * rgid The request GID that defines the HCA port upon which 5017 * to send the request to the Subnet Administrator, to 5018 * retrieve Multicast Records matching attributes as 5019 * specified through 'mcg_attr' argument. 5020 * 5021 * mcg_attr NULL or a pointer to an ibt_mcg_attr_t structure that 5022 * specifies MCG attributes that are to be matched. 5023 * Attributes that are not required can be wild carded 5024 * by specifying as '0'. 5025 * 5026 * mcgs_max_num The maximum number of matching multicast groups to 5027 * return. If zero, then all available matching multicast 5028 * groups are returned. 5029 * Output: 5030 * mcgs_info_p The address of an ibt_mcg_info_t pointer, where 5031 * multicast group information is returned. The actual 5032 * number of entries filled in the array is returned in 5033 * entries_p. 5034 * 5035 * entries_p The number of ibt_mcg_attr_t entries returned. 5036 * Returns: 5037 * IBT_SUCCESS 5038 * IBT_INVALID_PARAM 5039 * IBT_MCG_RECORDS_NOT_FOUND 5040 * Description: 5041 * Request information on multicast groups that match the parameters 5042 * specified in mcg_attr. Information on each multicast group is returned 5043 * to the caller in the form of an array of ibt_mcg_info_t. 5044 * ibt_query_mcg() allocates the memory for this array and returns a 5045 * pointer to the array (mcgs_p) and the number of entries in the array 5046 * (entries_p). This memory should be freed by the client using 5047 * ibt_free_mcg_info(). 5048 */ 5049 ibt_status_t 5050 ibt_query_mcg(ib_gid_t rgid, ibt_mcg_attr_t *mcg_attr, uint_t mcgs_max_num, 5051 ibt_mcg_info_t **mcgs_info_p, uint_t *entries_p) 5052 { 5053 sa_mcmember_record_t mcg_req; 5054 sa_mcmember_record_t *mcg_resp; 5055 ibt_mcg_info_t *mcg_infop; 5056 ibmf_saa_access_args_t access_args; 5057 ibmf_saa_handle_t saa_handle; 5058 uint64_t component_mask = 0; 5059 ibt_status_t retval; 5060 ibtl_cm_hca_port_t hport; 5061 uint_t num_records; 5062 size_t length; 5063 void *results_p; 5064 ib_gid_t port_gid; 5065 ibcm_hca_info_t *hcap; 5066 5067 IBTF_DPRINTF_L3(cmlog, "ibt_query_mcg(%p, %d)", mcg_attr, mcgs_max_num); 5068 5069 if ((entries_p == NULL) || (mcgs_info_p == NULL)) { 5070 IBTF_DPRINTF_L2(cmlog, "ibt_query_mcg: " 5071 "entries_p or mcgs_info_p is NULL"); 5072 return (IBT_INVALID_PARAM); 5073 } 5074 5075 if ((rgid.gid_prefix == 0) || (rgid.gid_guid == 0)) { 5076 IBTF_DPRINTF_L2(cmlog, "ibt_query_mcg: RequestGID is required"); 5077 return (IBT_INVALID_PARAM); 5078 } 5079 IBTF_DPRINTF_L4(cmlog, "ibt_query_mcg: Request GID <%llX:%llX>", 5080 rgid.gid_prefix, rgid.gid_guid); 5081 5082 bzero(&mcg_req, sizeof (sa_mcmember_record_t)); 5083 port_gid.gid_prefix = port_gid.gid_guid = 0; 5084 5085 if (mcg_attr != NULL) { 5086 port_gid = mcg_attr->mc_pgid; 5087 5088 if ((port_gid.gid_prefix != 0) && (port_gid.gid_guid != 0)) { 5089 mcg_req.PortGID = mcg_attr->mc_pgid; 5090 component_mask |= SA_MC_COMPMASK_PORTGID; 5091 5092 IBTF_DPRINTF_L4(cmlog, "ibt_query_mcg: PGID %llX:%llX", 5093 port_gid.gid_prefix, port_gid.gid_guid); 5094 } 5095 5096 /* Is Q_Key specified. */ 5097 if (mcg_attr->mc_qkey != 0) { 5098 mcg_req.Q_Key = mcg_attr->mc_qkey; 5099 component_mask |= SA_MC_COMPMASK_QKEY; 5100 } 5101 5102 /* Is P_Key specified. */ 5103 if (mcg_attr->mc_pkey != 0) { 5104 mcg_req.P_Key = mcg_attr->mc_pkey; 5105 component_mask |= SA_MC_COMPMASK_PKEY; 5106 } 5107 5108 /* Is MGID specified. */ 5109 if ((mcg_attr->mc_mgid.gid_prefix >> 56ULL & 0xFF) == 0xFF) { 5110 mcg_req.MGID = mcg_attr->mc_mgid; 5111 component_mask |= SA_MC_COMPMASK_MGID; 5112 } 5113 5114 /* Is MTU specified. */ 5115 if (mcg_attr->mc_mtu_req.r_mtu) { 5116 mcg_req.MTU = mcg_attr->mc_mtu_req.r_mtu; 5117 mcg_req.MTUSelector = mcg_attr->mc_mtu_req.r_selector; 5118 5119 component_mask |= SA_MC_COMPMASK_MTUSELECTOR | 5120 SA_MC_COMPMASK_MTU; 5121 } 5122 5123 if (mcg_attr->mc_tclass) { 5124 mcg_req.TClass = mcg_attr->mc_tclass; 5125 component_mask |= SA_MC_COMPMASK_TCLASS; 5126 } 5127 5128 /* Is RATE specified. */ 5129 if (mcg_attr->mc_rate_req.r_srate) { 5130 mcg_req.Rate = mcg_attr->mc_rate_req.r_srate; 5131 mcg_req.RateSelector = mcg_attr->mc_rate_req.r_selector; 5132 5133 component_mask |= SA_MC_COMPMASK_RATESELECTOR | 5134 SA_MC_COMPMASK_RATE; 5135 } 5136 5137 /* Is Packet Life Time specified. */ 5138 if (mcg_attr->mc_pkt_lt_req.p_pkt_lt) { 5139 mcg_req.Rate = mcg_attr->mc_pkt_lt_req.p_pkt_lt; 5140 mcg_req.RateSelector = 5141 mcg_attr->mc_pkt_lt_req.p_selector; 5142 5143 component_mask |= SA_MC_COMPMASK_PKTLTSELECTOR | 5144 SA_MC_COMPMASK_PKTLT; 5145 } 5146 5147 if (mcg_attr->mc_hop) { 5148 mcg_req.HopLimit = mcg_attr->mc_hop; 5149 component_mask |= SA_MC_COMPMASK_HOPLIMIT; 5150 } 5151 5152 if (mcg_attr->mc_flow) { 5153 mcg_req.FlowLabel = mcg_attr->mc_flow; 5154 component_mask |= SA_MC_COMPMASK_FLOWLABEL; 5155 } 5156 5157 if (mcg_attr->mc_sl) { 5158 mcg_req.SL = mcg_attr->mc_sl; 5159 component_mask |= SA_MC_COMPMASK_SL; 5160 } 5161 5162 if (mcg_attr->mc_scope) { 5163 mcg_req.Scope = mcg_attr->mc_scope; 5164 component_mask |= SA_MC_COMPMASK_SCOPE; 5165 } 5166 5167 if (mcg_attr->mc_join_state) { 5168 mcg_req.JoinState = mcg_attr->mc_join_state; 5169 component_mask |= SA_MC_COMPMASK_JOINSTATE; 5170 } 5171 5172 if (mcg_attr->mc_mlid) { 5173 mcg_req.MLID = mcg_attr->mc_mlid; 5174 component_mask |= SA_MC_COMPMASK_MLID; 5175 } 5176 } 5177 5178 retval = ibtl_cm_get_hca_port(rgid, 0, &hport); 5179 if (retval != IBT_SUCCESS) { 5180 IBTF_DPRINTF_L2(cmlog, "ibt_query_mcg: Failed to get port info " 5181 "from specified RGID : status = %d", retval); 5182 return (retval); 5183 } 5184 5185 /* Get SA Access Handle. */ 5186 hcap = ibcm_find_hca_entry(hport.hp_hca_guid); 5187 if (hcap == NULL) { 5188 IBTF_DPRINTF_L2(cmlog, "ibt_query_mcg: NO HCA found"); 5189 return (IBT_HCA_BUSY_DETACHING); 5190 } 5191 5192 saa_handle = ibcm_get_saa_handle(hcap, hport.hp_port); 5193 if (saa_handle == NULL) { 5194 IBTF_DPRINTF_L2(cmlog, "ibt_query_mcg: saa_handle is NULL"); 5195 ibcm_dec_hca_acc_cnt(hcap); 5196 return (IBT_HCA_PORT_NOT_ACTIVE); 5197 } 5198 5199 /* Contact SA Access */ 5200 access_args.sq_attr_id = SA_MCMEMBERRECORD_ATTRID; 5201 access_args.sq_access_type = IBMF_SAA_RETRIEVE; 5202 access_args.sq_component_mask = component_mask; 5203 access_args.sq_template = &mcg_req; 5204 access_args.sq_template_length = sizeof (sa_mcmember_record_t); 5205 access_args.sq_callback = NULL; 5206 access_args.sq_callback_arg = NULL; 5207 5208 retval = ibcm_contact_sa_access(saa_handle, &access_args, &length, 5209 &results_p); 5210 if (retval != IBT_SUCCESS) { 5211 IBTF_DPRINTF_L2(cmlog, "ibt_query_mcg: SA access Failed"); 5212 ibcm_dec_hca_acc_cnt(hcap); 5213 return (retval); 5214 } 5215 5216 num_records = length/sizeof (sa_mcmember_record_t); 5217 5218 IBTF_DPRINTF_L4(cmlog, "ibt_query_mcg: Found %d MCMember Records", 5219 num_records); 5220 5221 /* Validate the returned number of records. */ 5222 if ((results_p != NULL) && (num_records > 0)) { 5223 uint_t i; 5224 5225 /* 5226 * If mcgs_max_num is zero, then return all records else 5227 * return only requested number of records 5228 */ 5229 if ((mcgs_max_num != 0) && (num_records > mcgs_max_num)) { 5230 /* we are interested in only mcgs_max_num records */ 5231 num_records = mcgs_max_num; 5232 } 5233 5234 /* 5235 * The SGID returned in "mcg_info_p" buffer should be PortGID, 5236 * (mcg_attr->mc_pgid), if 'mcg_attr->mc_pgid' was specified, 5237 * else RequestGID (rgid) should be returned. 5238 */ 5239 if ((port_gid.gid_prefix != 0) && (port_gid.gid_guid != 0)) { 5240 5241 /* Get sgid_ix and port number of 'port_gid' */ 5242 retval = ibtl_cm_get_hca_port(port_gid, 0, &hport); 5243 if (retval != IBT_SUCCESS) { 5244 IBTF_DPRINTF_L2(cmlog, "ibt_query_mcg: " 5245 "Failed to Get Portinfo for PortGID :" 5246 "status = %d", retval); 5247 return (retval); 5248 } 5249 } else { 5250 /* 5251 * The sgid_ix and port number related to RequestGID 5252 * are already obtained at the beginning. 5253 */ 5254 port_gid = rgid; 5255 } 5256 5257 /* 5258 * Allocate memory for return buffer, to be freed in 5259 * ibt_free_mcg_info(). 5260 */ 5261 mcg_infop = kmem_alloc((num_records * sizeof (ibt_mcg_info_t)), 5262 KM_SLEEP); 5263 5264 *mcgs_info_p = mcg_infop; 5265 *entries_p = num_records; 5266 5267 /* Update the return values. */ 5268 for (i = 0; i < num_records; i++) { 5269 5270 mcg_resp = (sa_mcmember_record_t *)((uchar_t *) 5271 results_p + i * sizeof (sa_mcmember_record_t)); 5272 5273 mcg_infop[i].mc_adds_vect.av_dgid = mcg_resp->MGID; 5274 mcg_infop[i].mc_adds_vect.av_sgid = port_gid; 5275 mcg_infop[i].mc_adds_vect.av_srate = mcg_resp->Rate; 5276 mcg_infop[i].mc_adds_vect.av_srvl = mcg_resp->SL; 5277 mcg_infop[i].mc_adds_vect.av_flow = mcg_resp->FlowLabel; 5278 mcg_infop[i].mc_adds_vect.av_tclass = mcg_resp->TClass; 5279 mcg_infop[i].mc_adds_vect.av_hop = mcg_resp->HopLimit; 5280 mcg_infop[i].mc_adds_vect.av_port_num = hport.hp_port; 5281 mcg_infop[i].mc_adds_vect.av_send_grh = B_TRUE; 5282 mcg_infop[i].mc_adds_vect.av_dlid = mcg_resp->MLID; 5283 mcg_infop[i].mc_adds_vect.av_sgid_ix = hport.hp_sgid_ix; 5284 mcg_infop[i].mc_adds_vect.av_src_path = 0; 5285 mcg_infop[i].mc_mtu = mcg_resp->MTU; 5286 mcg_infop[i].mc_qkey = mcg_resp->Q_Key; 5287 mcg_infop[i].mc_scope = mcg_resp->Scope; 5288 mcg_infop[i].mc_pkt_lt = mcg_resp->PacketLifeTime; 5289 5290 if (ibt_pkey2index_byguid(hport.hp_hca_guid, 5291 hport.hp_port, mcg_resp->P_Key, 5292 &mcg_infop[i].mc_pkey_ix) != IBT_SUCCESS) { 5293 IBTF_DPRINTF_L3(cmlog, "ibt_query_mcg: " 5294 "Pkey2Index Conversion failed"); 5295 mcg_infop[i].mc_pkey_ix = 0; 5296 } 5297 } 5298 5299 /* 5300 * Deallocate the memory allocated by SA for results_p. 5301 */ 5302 kmem_free(results_p, length); 5303 retval = IBT_SUCCESS; 5304 5305 IBTF_DPRINTF_L3(cmlog, "ibt_query_mcg: returning %d MCGRecords", 5306 num_records); 5307 5308 } else { 5309 retval = IBT_MCG_RECORDS_NOT_FOUND; 5310 *entries_p = 0; 5311 5312 IBTF_DPRINTF_L3(cmlog, "ibt_query_mcg: MCG RECORDS NOT FOUND"); 5313 } 5314 5315 ibcm_dec_hca_acc_cnt(hcap); 5316 5317 return (retval); 5318 } 5319 5320 5321 /* 5322 * ibt_free_mcg_info() 5323 * Free the memory allocated by successful ibt_query_mcg() 5324 * 5325 * mcgs_info Pointer returned by ibt_query_mcg(). 5326 * 5327 * entries The number of ibt_mcg_info_t entries to free. 5328 */ 5329 void 5330 ibt_free_mcg_info(ibt_mcg_info_t *mcgs_info, uint_t entries) 5331 { 5332 IBTF_DPRINTF_L3(cmlog, "ibt_free_mcg_info: " 5333 "Free <%d> entries from 0x%p", entries, mcgs_info); 5334 5335 if ((mcgs_info != NULL) && (entries > 0)) 5336 kmem_free(mcgs_info, entries * sizeof (ibt_mcg_info_t)); 5337 else 5338 IBTF_DPRINTF_L2(cmlog, "ibt_free_mcg_info: " 5339 "ERROR: NULL buf pointer or length specified."); 5340 } 5341 5342 5343 /* 5344 * Function: 5345 * ibt_gid_to_node_info() 5346 * Input: 5347 * gid Identifies the IB Node and port for which to obtain 5348 * Node information. 5349 * Output: 5350 * node_info_p A pointer to an ibt_node_info_t structure (allocated 5351 * by the caller) in which to return the node information. 5352 * Returns: 5353 * IBT_SUCCESS 5354 * IBT_INVALID_PARAM 5355 * IBT_NODE_RECORDS_NOT_FOUND 5356 * IBT_NO_HCAS_AVAILABLE 5357 * Description: 5358 * Retrieve Node Information for the specified GID. 5359 */ 5360 ibt_status_t 5361 ibt_gid_to_node_info(ib_gid_t gid, ibt_node_info_t *node_info_p) 5362 { 5363 sa_node_record_t nr_req, *nr_resp; 5364 ibmf_saa_handle_t saa_handle; 5365 ibt_status_t retval; 5366 ibcm_hca_info_t *hcap; 5367 ibtl_cm_hca_port_t hport; 5368 int i, j; 5369 uint_t num_rec; 5370 ib_guid_t *guid_array = NULL; 5371 sa_path_record_t *path; 5372 size_t len; 5373 uint8_t npaths; 5374 uint32_t num_hcas = 0; 5375 ib_lid_t node_lid; 5376 boolean_t local_node = B_FALSE; 5377 void *res_p; 5378 uint8_t num_ports = 0; 5379 5380 5381 IBTF_DPRINTF_L4(cmlog, "ibt_gid_to_node_info(%llX:%llX, %p)", 5382 gid.gid_prefix, gid.gid_guid, node_info_p); 5383 5384 if ((gid.gid_prefix == 0) || (gid.gid_guid == 0)) { 5385 IBTF_DPRINTF_L2(cmlog, "ibt_gid_to_node_info: GID is required"); 5386 return (IBT_INVALID_PARAM); 5387 } 5388 5389 if (node_info_p == NULL) { 5390 IBTF_DPRINTF_L2(cmlog, "ibt_gid_to_node_info: " 5391 "Return Buf (node_info_p) is NULL."); 5392 return (IBT_INVALID_PARAM); 5393 } 5394 5395 /* 5396 * If 'gid' is on local node, then get node lid (i.e. base lid of the 5397 * associated port) info via ibtl_cm_get_hca_port() call. 5398 */ 5399 bzero(&hport, sizeof (ibtl_cm_hca_port_t)); 5400 if (ibtl_cm_get_hca_port(gid, 0, &hport) == IBT_SUCCESS) { 5401 5402 hcap = ibcm_find_hca_entry(hport.hp_hca_guid); 5403 if (hcap == NULL) { 5404 IBTF_DPRINTF_L3(cmlog, "ibt_gid_to_node_info: " 5405 "HCA(%llX) info not found", hport.hp_hca_guid); 5406 return (IBT_NO_HCAS_AVAILABLE); 5407 } 5408 num_ports = 1; 5409 num_hcas = 1; 5410 node_lid = hport.hp_base_lid; 5411 local_node = B_TRUE; 5412 IBTF_DPRINTF_L4(cmlog, "ibt_gid_to_node_info: Local Node: " 5413 "LID = 0x%X", node_lid); 5414 } else { 5415 /* Get the number of HCAs and their GUIDs */ 5416 num_hcas = ibt_get_hca_list(&guid_array); 5417 IBTF_DPRINTF_L4(cmlog, "ibt_gid_to_node_info: ibt_get_hca_list " 5418 "returned %d hcas", num_hcas); 5419 5420 if (num_hcas == 0) { 5421 IBTF_DPRINTF_L2(cmlog, "ibt_gid_to_node_info: " 5422 "NO HCA's Found on this system"); 5423 return (IBT_NO_HCAS_AVAILABLE); 5424 } 5425 } 5426 5427 for (i = 0; i < num_hcas; i++) { 5428 if (local_node == B_FALSE) { 5429 hcap = ibcm_find_hca_entry(guid_array[i]); 5430 if (hcap == NULL) { 5431 IBTF_DPRINTF_L3(cmlog, "ibt_gid_to_node_info: " 5432 "HCA(%llX) info not found", guid_array[i]); 5433 retval = IBT_NO_HCAS_AVAILABLE; 5434 continue; 5435 } 5436 num_ports = hcap->hca_num_ports; 5437 } 5438 5439 for (j = 0; j < num_ports; j++) { 5440 uint8_t port = 0; 5441 5442 if (local_node == B_TRUE) 5443 port = hport.hp_port; 5444 else 5445 port = j + 1; 5446 5447 /* Get SA Access Handle. */ 5448 saa_handle = ibcm_get_saa_handle(hcap, port); 5449 if (saa_handle == NULL) { 5450 IBTF_DPRINTF_L3(cmlog, "ibt_gid_to_node_info: " 5451 "Port %d of HCA (%llX) is NOT ACTIVE", 5452 port, hport.hp_hca_guid); 5453 retval = IBT_NODE_RECORDS_NOT_FOUND; 5454 continue; 5455 } 5456 5457 if (local_node == B_FALSE) { 5458 ib_gid_t sgid; 5459 int sa_ret; 5460 5461 /* 5462 * Check whether 'gid' and this port has same 5463 * subnet prefix. If not, then there is no use 5464 * in searching from this port. 5465 */ 5466 sgid = hcap->hca_port_info[j].port_sgid0; 5467 if (gid.gid_prefix != sgid.gid_prefix) { 5468 IBTF_DPRINTF_L3(cmlog, 5469 "ibt_gid_to_node_info:Sn_Prefix of " 5470 "GID(%llX) and Port's(%llX) differ", 5471 gid.gid_prefix, sgid.gid_prefix); 5472 retval = IBT_NODE_RECORDS_NOT_FOUND; 5473 continue; 5474 } 5475 5476 /* 5477 * First Get Path Records for the specified DGID 5478 * from this port (SGID). From Path Records, 5479 * note down DLID, then use this DLID as Input 5480 * attribute to get NodeRecords from SA Access. 5481 */ 5482 npaths = 1; 5483 path = NULL; 5484 5485 sa_ret = ibmf_saa_gid_to_pathrecords(saa_handle, 5486 sgid, gid, 0, 0, B_TRUE, &npaths, 0, &len, 5487 &path); 5488 if (sa_ret != IBMF_SUCCESS) { 5489 IBTF_DPRINTF_L2(cmlog, 5490 "ibt_gid_to_node_info: " 5491 "ibmf_saa_gid_to_pathrecords() " 5492 "returned error: %d ", sa_ret); 5493 retval = 5494 ibcm_ibmf_analyze_error(sa_ret); 5495 continue; 5496 } else if ((npaths == 0) || (path == NULL)) { 5497 IBTF_DPRINTF_L3(cmlog, 5498 "ibt_gid_to_node_info: failed (%d) " 5499 "to get path records for the DGID " 5500 "0x%llX from SGID 0x%llX", sa_ret, 5501 gid.gid_guid, sgid.gid_guid); 5502 retval = IBT_NODE_RECORDS_NOT_FOUND; 5503 continue; 5504 } 5505 node_lid = path->DLID; /* LID */ 5506 5507 IBTF_DPRINTF_L3(cmlog, "ibt_gid_to_node_info: " 5508 "Remote Node: LID = 0x%X", node_lid); 5509 5510 /* Free SA_Access memory for path record. */ 5511 kmem_free(path, len); 5512 } 5513 5514 /* Retrieve Node Records from SA Access. */ 5515 bzero(&nr_req, sizeof (sa_node_record_t)); 5516 5517 nr_req.LID = node_lid; /* LID */ 5518 5519 retval = ibcm_get_node_rec(saa_handle, &nr_req, 5520 SA_NODEINFO_COMPMASK_NODELID, &res_p, &len); 5521 if (retval == IBT_NODE_RECORDS_NOT_FOUND) { 5522 IBTF_DPRINTF_L2(cmlog, "ibt_gid_to_node_info: " 5523 "failed (%d) to get Node records", retval); 5524 continue; 5525 } else if (retval != IBT_SUCCESS) { 5526 IBTF_DPRINTF_L2(cmlog, "ibt_gid_to_node_info: " 5527 "failed (%d) to get Node records", retval); 5528 ibcm_dec_hca_acc_cnt(hcap); 5529 goto gid_to_ni_exit; 5530 } 5531 5532 num_rec = len/sizeof (sa_node_record_t); 5533 nr_resp = (sa_node_record_t *)(uchar_t *)res_p; 5534 5535 /* Validate the returned number of records. */ 5536 if ((nr_resp != NULL) && (num_rec > 0)) { 5537 5538 IBCM_DUMP_NODE_REC(nr_resp); 5539 5540 _NOTE(NOW_INVISIBLE_TO_OTHER_THREADS( 5541 *node_info_p)) 5542 5543 node_info_p->n_sys_img_guid = 5544 nr_resp->NodeInfo.SystemImageGUID; 5545 node_info_p->n_node_guid = 5546 nr_resp->NodeInfo.NodeGUID; 5547 node_info_p->n_port_guid = 5548 nr_resp->NodeInfo.PortGUID; 5549 node_info_p->n_dev_id = 5550 nr_resp->NodeInfo.DeviceID; 5551 node_info_p->n_revision = 5552 nr_resp->NodeInfo.Revision; 5553 node_info_p->n_vendor_id = 5554 nr_resp->NodeInfo.VendorID; 5555 node_info_p->n_num_ports = 5556 nr_resp->NodeInfo.NumPorts; 5557 node_info_p->n_port_num = 5558 nr_resp->NodeInfo.LocalPortNum; 5559 node_info_p->n_node_type = 5560 nr_resp->NodeInfo.NodeType; 5561 (void) strncpy(node_info_p->n_description, 5562 (char *)&nr_resp->NodeDescription, 64); 5563 5564 _NOTE(NOW_VISIBLE_TO_OTHER_THREADS( 5565 *node_info_p)) 5566 5567 /* 5568 * Deallocate the memory allocated by SA for 5569 * 'nr_resp'. 5570 */ 5571 ibcm_dec_hca_acc_cnt(hcap); 5572 kmem_free(nr_resp, len); 5573 retval = IBT_SUCCESS; 5574 5575 goto gid_to_ni_exit; 5576 } else { 5577 retval = IBT_NODE_RECORDS_NOT_FOUND; 5578 IBTF_DPRINTF_L3(cmlog, "ibt_gid_to_node_info: " 5579 "Node Records NOT found - PortGUID %016llX", 5580 gid.gid_guid); 5581 } 5582 } 5583 ibcm_dec_hca_acc_cnt(hcap); 5584 5585 if (local_node == B_TRUE) 5586 break; 5587 } 5588 5589 gid_to_ni_exit: 5590 if (guid_array) 5591 ibt_free_hca_list(guid_array, num_hcas); 5592 5593 IBTF_DPRINTF_L3(cmlog, "ibt_gid_to_node_info: done. Status %d", retval); 5594 5595 return (retval); 5596 } 5597 5598 5599 static ibt_status_t 5600 ibcm_get_node_rec(ibmf_saa_handle_t saa_handle, sa_node_record_t *nr_req, 5601 uint64_t component_mask, void *result_p, size_t *len) 5602 { 5603 ibmf_saa_access_args_t args; 5604 size_t length; 5605 ibt_status_t retval; 5606 5607 args.sq_attr_id = SA_NODERECORD_ATTRID; 5608 args.sq_template = nr_req; 5609 args.sq_access_type = IBMF_SAA_RETRIEVE; 5610 args.sq_template_length = sizeof (sa_node_record_t); 5611 args.sq_component_mask = component_mask; 5612 args.sq_callback = NULL; 5613 args.sq_callback_arg = NULL; 5614 5615 retval = ibcm_contact_sa_access(saa_handle, &args, &length, result_p); 5616 if (retval != IBT_SUCCESS) { 5617 IBTF_DPRINTF_L2(cmlog, "ibcm_get_node_rec: SA Call Failed"); 5618 return (retval); 5619 } 5620 5621 *len = length; 5622 5623 /* Validate the returned number of records. */ 5624 if ((result_p != NULL) && (length > 0)) { 5625 IBTF_DPRINTF_L3(cmlog, "ibcm_get_node_rec: Node Records FOUND"); 5626 5627 /* Got it, done!. */ 5628 return (IBT_SUCCESS); 5629 } else { 5630 IBTF_DPRINTF_L2(cmlog, "ibcm_get_node_rec: Node Rec NOT found"); 5631 return (IBT_NODE_RECORDS_NOT_FOUND); 5632 } 5633 } 5634 5635 5636 /* 5637 * Function: 5638 * ibt_get_companion_port_gids() 5639 * Description: 5640 * Get list of GID's available on a companion port(s) of the specified 5641 * GID or list of GIDs available on a specified Node GUID/SystemImage GUID. 5642 */ 5643 ibt_status_t 5644 ibt_get_companion_port_gids(ib_gid_t gid, ib_guid_t hca_guid, 5645 ib_guid_t sysimg_guid, ib_gid_t **gids_p, uint_t *num_gids_p) 5646 { 5647 sa_node_record_t nr_req, *nr_resp; 5648 void *res_p; 5649 ibmf_saa_handle_t saa_handle; 5650 int sa_ret; 5651 ibt_status_t retval; 5652 ibcm_hca_info_t *hcap; 5653 ibtl_cm_hca_port_t hport; 5654 int i, j; 5655 uint_t num_rec; 5656 ib_guid_t *guid_array = NULL; 5657 sa_path_record_t *path; 5658 size_t len; 5659 uint8_t npaths; 5660 uint32_t num_hcas = 0; 5661 boolean_t local_node = B_FALSE; 5662 boolean_t local_hca = B_FALSE; 5663 ib_guid_t h_guid = hca_guid; 5664 ib_gid_t *gidp = NULL, *t_gidp = NULL; 5665 int multi_hca_loop = 0; 5666 5667 IBTF_DPRINTF_L4(cmlog, "ibt_get_companion_port_gids(%llX:%llX, %llX, " 5668 "%llX)", gid.gid_prefix, gid.gid_guid, hca_guid, sysimg_guid); 5669 5670 if (((gid.gid_prefix == 0) || (gid.gid_guid == 0)) && (hca_guid == 0) && 5671 (sysimg_guid == 0)) { 5672 IBTF_DPRINTF_L2(cmlog, "ibt_get_companion_port_gids: " 5673 "Null Input attribute specified."); 5674 return (IBT_INVALID_PARAM); 5675 } 5676 5677 if ((num_gids_p == NULL) || (gids_p == NULL)) { 5678 IBTF_DPRINTF_L2(cmlog, "ibt_get_companion_port_gids: " 5679 "num_gids_p or gids_p is NULL"); 5680 return (IBT_INVALID_PARAM); 5681 } 5682 5683 *num_gids_p = 0; 5684 5685 /* Get the number of HCAs and their GUIDs */ 5686 if ((num_hcas = ibt_get_hca_list(&guid_array)) == 0) { 5687 IBTF_DPRINTF_L2(cmlog, "ibt_get_companion_port_gids: " 5688 "NO HCA's Found on this system"); 5689 return (IBT_NO_HCAS_AVAILABLE); 5690 } 5691 5692 IBTF_DPRINTF_L4(cmlog, "ibt_get_companion_port_gids: " 5693 "ibt_get_hca_list() returned %d hcas", num_hcas); 5694 5695 /* 5696 * If 'gid' is on local node, then get node lid (i.e. base lid of the 5697 * associated port) info via ibtl_cm_get_hca_port() call. 5698 */ 5699 bzero(&hport, sizeof (ibtl_cm_hca_port_t)); 5700 if ((gid.gid_prefix != 0) && (gid.gid_guid != 0) && 5701 (ibtl_cm_get_hca_port(gid, 0, &hport) == IBT_SUCCESS)) { 5702 5703 if ((hca_guid != 0) && (hca_guid != hport.hp_hca_guid)) { 5704 IBTF_DPRINTF_L2(cmlog, "ibt_get_companion_port_gids: " 5705 "Invalid GID<->HCAGUID combination specified."); 5706 retval = IBT_INVALID_PARAM; 5707 goto get_comp_pgid_exit; 5708 } 5709 h_guid = hport.hp_hca_guid; 5710 local_node = B_TRUE; 5711 5712 IBTF_DPRINTF_L4(cmlog, "ibt_get_companion_port_gids: " 5713 "Local Node: HCA (0x%llX)", h_guid); 5714 } else if (h_guid) { /* Is specified HCA GUID - local? */ 5715 for (i = 0; i < num_hcas; i++) { 5716 if (h_guid == guid_array[i]) { 5717 local_hca = B_TRUE; 5718 break; 5719 } 5720 } 5721 } else if (sysimg_guid) { /* Is specified SystemImage GUID - local? */ 5722 for (i = 0; i < num_hcas; i++) { 5723 ibt_status_t ret; 5724 ibt_hca_attr_t hca_attr; 5725 5726 ret = ibt_query_hca_byguid(guid_array[i], &hca_attr); 5727 if (ret != IBT_SUCCESS) { 5728 IBTF_DPRINTF_L2(cmlog, 5729 "ibt_get_companion_port_gids: HCA(%llX) " 5730 "info not found", guid_array[i]); 5731 retval = IBT_NO_HCAS_AVAILABLE; 5732 continue; 5733 } 5734 if (hca_attr.hca_si_guid == sysimg_guid) { 5735 if ((hca_guid != 0) && 5736 (hca_guid != hca_attr.hca_node_guid)) { 5737 IBTF_DPRINTF_L2(cmlog, 5738 "ibt_get_companion_port_gids: " 5739 "Invalid SysImg<->HCA GUID " 5740 "combination specified."); 5741 retval = IBT_INVALID_PARAM; 5742 goto get_comp_pgid_exit; 5743 } 5744 local_hca = B_TRUE; 5745 h_guid = hca_attr.hca_node_guid; 5746 break; 5747 } 5748 } 5749 } 5750 5751 if ((local_node == B_TRUE) || (local_hca == B_TRUE)) { 5752 retval = ibtl_cm_get_local_comp_gids(h_guid, gid, gids_p, 5753 num_gids_p); 5754 goto get_comp_pgid_exit; 5755 } 5756 5757 get_comp_for_multihca: 5758 /* We will be here, if request is for remote node */ 5759 for (i = 0; i < num_hcas; i++) { 5760 int multism; 5761 uint8_t count = 0; 5762 int multi_sm_loop = 0; 5763 uint_t k = 0, l; 5764 5765 hcap = ibcm_find_hca_entry(guid_array[i]); 5766 if (hcap == NULL) { 5767 IBTF_DPRINTF_L3(cmlog, "ibt_get_companion_port_gids: " 5768 "HCA(%llX) info not found", guid_array[i]); 5769 retval = IBT_NO_HCAS_AVAILABLE; 5770 continue; 5771 } 5772 5773 /* 1 - MultiSM, 0 - Single SM */ 5774 multism = ibtl_cm_is_multi_sm(guid_array[i]); 5775 5776 for (j = 0; j < hcap->hca_num_ports; j++) { 5777 ib_gid_t sgid; 5778 uint64_t c_mask = 0; 5779 ib_guid_t pg; 5780 uint_t port = j; 5781 5782 get_comp_for_multism: 5783 IBTF_DPRINTF_L3(cmlog, "ibt_get_companion_port_gids: " 5784 "Port %d, HCA %llX, MultiSM= %d, Loop=%d", 5785 port + 1, h_guid, multism, multi_sm_loop); 5786 5787 /* Get SA Access Handle. */ 5788 saa_handle = ibcm_get_saa_handle(hcap, port + 1); 5789 if (saa_handle == NULL) { 5790 IBTF_DPRINTF_L2(cmlog, 5791 "ibt_get_companion_port_gids: " 5792 "Port (%d) - NOT ACTIVE", port); 5793 retval = IBT_HCA_PORT_NOT_ACTIVE; 5794 continue; 5795 } 5796 5797 /* 5798 * Check whether 'gid' and this port has same subnet 5799 * prefix. If not, then there is no use in searching 5800 * from this port. 5801 */ 5802 sgid = hcap->hca_port_info[port].port_sgid0; 5803 if ((h_guid == 0) && (gid.gid_prefix != 0) && 5804 (multi_sm_loop == 0) && 5805 (gid.gid_prefix != sgid.gid_prefix)) { 5806 IBTF_DPRINTF_L2(cmlog, 5807 "ibt_get_companion_port_gids: SnPrefix of " 5808 "GID(%llX) and Port SN_Pfx(%llX) differ", 5809 gid.gid_prefix, sgid.gid_prefix); 5810 retval = IBT_NODE_RECORDS_NOT_FOUND; 5811 continue; 5812 } 5813 5814 /* 5815 * If HCA GUID or System Image GUID is specified, then 5816 * we can achieve our goal sooner!. 5817 */ 5818 if ((h_guid == 0) && (sysimg_guid == 0)) { 5819 /* So only GID info is provided. */ 5820 5821 /* 5822 * First Get Path Records for the specified DGID 5823 * from this port (SGID). From Path Records, 5824 * note down DLID, then use this DLID as Input 5825 * attribute to get NodeRecords. 5826 */ 5827 npaths = 1; 5828 path = NULL; 5829 5830 sa_ret = ibmf_saa_gid_to_pathrecords(saa_handle, 5831 sgid, gid, 0, 0, B_TRUE, &npaths, 0, &len, 5832 &path); 5833 if (sa_ret != IBMF_SUCCESS) { 5834 IBTF_DPRINTF_L2(cmlog, 5835 "ibt_get_companion_port_gids: " 5836 "ibmf_saa_gid_to_pathrecords() " 5837 "returned error: %d ", sa_ret); 5838 retval = 5839 ibcm_ibmf_analyze_error(sa_ret); 5840 ibcm_dec_hca_acc_cnt(hcap); 5841 goto get_comp_pgid_exit; 5842 } else if ((npaths == 0) || (path == NULL)) { 5843 IBTF_DPRINTF_L2(cmlog, 5844 "ibt_get_companion_port_gids: " 5845 "failed (%d) to get path records " 5846 "for the DGID (0x%llX) from SGID " 5847 "(0x%llX)", sa_ret, gid.gid_guid, 5848 sgid.gid_guid); 5849 retval = IBT_NODE_RECORDS_NOT_FOUND; 5850 continue; 5851 } 5852 5853 bzero(&nr_req, sizeof (sa_node_record_t)); 5854 nr_req.LID = path->DLID; /* LID */ 5855 5856 IBTF_DPRINTF_L3(cmlog, 5857 "ibt_get_companion_port_gids: " 5858 "Remote Node: LID = 0x%X", nr_req.LID); 5859 5860 /* Free SA_Access memory for path record. */ 5861 kmem_free(path, len); 5862 5863 IBTF_DPRINTF_L3(cmlog, 5864 "ibt_get_companion_port_gids: SAA Call: " 5865 "based on LID "); 5866 5867 retval = ibcm_get_node_rec(saa_handle, &nr_req, 5868 SA_NODEINFO_COMPMASK_NODELID, &res_p, &len); 5869 if (retval == IBT_NODE_RECORDS_NOT_FOUND) { 5870 IBTF_DPRINTF_L2(cmlog, 5871 "ibt_get_companion_port_gids: " 5872 "failed (%d) to get Node records", 5873 retval); 5874 continue; 5875 } else if (retval != IBT_SUCCESS) { 5876 IBTF_DPRINTF_L2(cmlog, 5877 "ibt_get_companion_port_gids: " 5878 "failed (%d) to get Node records", 5879 retval); 5880 ibcm_dec_hca_acc_cnt(hcap); 5881 goto get_comp_pgid_exit; 5882 } 5883 5884 nr_resp = (sa_node_record_t *)(uchar_t *)res_p; 5885 /* Note down HCA GUID info. */ 5886 h_guid = nr_resp->NodeInfo.NodeGUID; 5887 5888 IBTF_DPRINTF_L3(cmlog, 5889 "ibt_get_companion_port_gids: " 5890 "Remote HCA GUID: 0x%llX", h_guid); 5891 5892 IBCM_DUMP_NODE_REC(nr_resp); 5893 5894 kmem_free(res_p, len); 5895 } 5896 5897 bzero(&nr_req, sizeof (sa_node_record_t)); 5898 if (h_guid != 0) { 5899 nr_req.NodeInfo.NodeGUID = h_guid; 5900 c_mask = SA_NODEINFO_COMPMASK_NODEGUID; 5901 } 5902 5903 if (sysimg_guid != 0) { 5904 nr_req.NodeInfo.SystemImageGUID = sysimg_guid; 5905 c_mask |= SA_NODEINFO_COMPMASK_SYSIMAGEGUID; 5906 } 5907 5908 IBTF_DPRINTF_L3(cmlog, "ibt_get_companion_port_gids: " 5909 "SAA Call: CMASK= 0x%llX", c_mask); 5910 5911 retval = ibcm_get_node_rec(saa_handle, &nr_req, c_mask, 5912 &res_p, &len); 5913 if (retval == IBT_NODE_RECORDS_NOT_FOUND) { 5914 IBTF_DPRINTF_L3(cmlog, 5915 "ibt_get_companion_port_gids: " 5916 "failed (%d) to get Node records", retval); 5917 continue; 5918 } else if (retval != IBT_SUCCESS) { 5919 IBTF_DPRINTF_L2(cmlog, 5920 "ibt_get_companion_port_gids: Error: (%d) " 5921 "while getting Node records", retval); 5922 ibcm_dec_hca_acc_cnt(hcap); 5923 goto get_comp_pgid_exit; 5924 } 5925 5926 num_rec = len/sizeof (sa_node_record_t); 5927 5928 /* We will be here, only if we found some NodeRec */ 5929 if (gid.gid_prefix && gid.gid_guid) { 5930 nr_resp = (sa_node_record_t *)res_p; 5931 for (l = 0; l < num_rec; l++, nr_resp++) { 5932 pg = nr_resp->NodeInfo.PortGUID; 5933 if (gid.gid_guid != pg) 5934 count++; 5935 } 5936 } else { 5937 count = num_rec; 5938 } 5939 5940 if (count != 0) { 5941 if (multi_sm_loop == 1) { 5942 count += k; 5943 t_gidp = kmem_zalloc(count * 5944 sizeof (ib_gid_t), KM_SLEEP); 5945 5946 if ((k != 0) && (gidp != NULL)) { 5947 bcopy(gidp, t_gidp, 5948 k * sizeof (ib_gid_t)); 5949 kmem_free(gidp, 5950 k * sizeof (ib_gid_t)); 5951 } 5952 gidp = t_gidp; 5953 } else { 5954 gidp = kmem_zalloc(count * 5955 sizeof (ib_gid_t), KM_SLEEP); 5956 } 5957 *num_gids_p = count; 5958 *gids_p = gidp; 5959 5960 nr_resp = (sa_node_record_t *)res_p; 5961 for (l = 0; l < num_rec; l++, nr_resp++) { 5962 IBCM_DUMP_NODE_REC(nr_resp); 5963 5964 pg = nr_resp->NodeInfo.PortGUID; 5965 IBTF_DPRINTF_L4(cmlog, 5966 "ibt_get_companion_port_gids: " 5967 "PortGID %llX", pg); 5968 5969 if (pg != gid.gid_guid) { 5970 gidp[k].gid_prefix = 5971 sgid.gid_prefix; 5972 gidp[k].gid_guid = pg; 5973 5974 IBTF_DPRINTF_L3(cmlog, 5975 "ibt_get_companion_pgids: " 5976 "GID[%d] = %llX:%llX", k, 5977 gidp[k].gid_prefix, 5978 gidp[k].gid_guid); 5979 5980 k++; 5981 if (k == count) 5982 break; 5983 } 5984 } 5985 retval = IBT_SUCCESS; /* done!. */ 5986 kmem_free(res_p, len); 5987 ibcm_dec_hca_acc_cnt(hcap); 5988 goto get_comp_pgid_exit; 5989 } else { 5990 IBTF_DPRINTF_L2(cmlog, 5991 "ibt_get_companion_port_gids: " 5992 "Companion PortGIDs not available"); 5993 retval = IBT_GIDS_NOT_FOUND; 5994 } 5995 /* Deallocate the memory for 'res_p'. */ 5996 kmem_free(res_p, len); 5997 5998 /* 5999 * If we are on MultiSM setup, then we need to lookout 6000 * from that subnet port too. 6001 */ 6002 if (multism) { 6003 /* break if already searched both the subnet */ 6004 if (multi_sm_loop == 1) 6005 break; 6006 6007 port = (j == 0) ? 1 : 0; 6008 multi_sm_loop = 1; 6009 goto get_comp_for_multism; 6010 } else { 6011 break; 6012 } 6013 } 6014 ibcm_dec_hca_acc_cnt(hcap); 6015 6016 /* 6017 * We may be on dual HCA with dual SM configured system. And 6018 * the input attr GID was visible from second HCA. So in order 6019 * to get the companion portgid we need to re-look from the 6020 * first HCA ports. 6021 */ 6022 if ((num_hcas > 1) && (i > 0) && (h_guid != 0) && 6023 (multi_hca_loop != 1)) { 6024 multi_hca_loop = 1; 6025 goto get_comp_for_multihca; 6026 } 6027 } 6028 6029 get_comp_pgid_exit: 6030 if (guid_array) 6031 ibt_free_hca_list(guid_array, num_hcas); 6032 6033 if ((retval != IBT_SUCCESS) && (*num_gids_p != 0)) { 6034 retval = IBT_SUCCESS; 6035 } 6036 6037 IBTF_DPRINTF_L3(cmlog, "ibt_get_companion_port_gids: done. Status %d, " 6038 "Found %d GIDs", retval, *num_gids_p); 6039 6040 return (retval); 6041 } 6042 6043 6044 /* Routines for warlock */ 6045 6046 /* ARGSUSED */ 6047 static void 6048 ibcm_dummy_mcg_handler(void *arg, ibt_status_t retval, ibt_mcg_info_t *minfo) 6049 { 6050 ibcm_join_mcg_tqarg_t dummy_mcg; 6051 6052 dummy_mcg.func = ibcm_dummy_mcg_handler; 6053 6054 IBTF_DPRINTF_L5(cmlog, "ibcm_dummy_mcg_handler: " 6055 "dummy_mcg.func %p", dummy_mcg.func); 6056 } 6057 6058 6059 /* ARGSUSED */ 6060 static void 6061 ibcm_dummy_recycle_rc_handler(ibt_status_t retval, void *arg) 6062 { 6063 ibcm_taskq_recycle_arg_t dummy_rc_recycle; 6064 6065 dummy_rc_recycle.func = ibcm_dummy_recycle_rc_handler; 6066 6067 IBTF_DPRINTF_L5(cmlog, "ibcm_dummy_recycle_rc_handler: " 6068 "dummy_rc_recycle.func %p", dummy_rc_recycle.func); 6069 } 6070 6071 6072 /* ARGSUSED */ 6073 static ibt_cm_status_t 6074 ibcm_dummy_ud_handler(void *priv, ibt_cm_ud_event_t *event, 6075 ibt_cm_ud_return_args_t *ret_args, 6076 void *priv_data, ibt_priv_data_len_t len) 6077 { 6078 /* 6079 * Let warlock see that ibcm_local_handler_s::actual_cm_handler 6080 * points to this routine. 6081 */ 6082 ibcm_local_handler_t p; 6083 ibcm_ud_state_data_t dummy_ud; 6084 6085 p.actual_cm_handler = ibcm_dummy_ud_handler; 6086 dummy_ud.ud_cm_handler = ibcm_dummy_ud_handler; 6087 6088 IBTF_DPRINTF_L5(cmlog, "ibcm_dummy_ud_handler: p.actual_cm_handler %p" 6089 "dummy_ud.ud_cm_handler %p", p.actual_cm_handler, 6090 dummy_ud.ud_cm_handler); 6091 /* 6092 * Call all routines that the client's callback routine could call. 6093 */ 6094 6095 return (IBT_CM_ACCEPT); 6096 } 6097 6098 /* ARGSUSED */ 6099 static ibt_cm_status_t 6100 ibcm_dummy_rc_handler(void *priv, ibt_cm_event_t *event, 6101 ibt_cm_return_args_t *ret_args, void *priv_data, ibt_priv_data_len_t len) 6102 { 6103 ibcm_state_data_t dummy_rc; 6104 6105 dummy_rc.cm_handler = ibcm_dummy_rc_handler; 6106 6107 IBTF_DPRINTF_L5(cmlog, "ibcm_dummy_rc_handler: " 6108 "dummy_ud.ud_cm_handler %p", dummy_rc.cm_handler); 6109 /* 6110 * Call all routines that the client's callback routine could call. 6111 */ 6112 6113 return (IBT_CM_ACCEPT); 6114 } 6115