1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 3 * Marvell Fibre Channel HBA Driver 4 * Copyright (c) 2021 Marvell 5 */ 6 #include "qla_def.h" 7 #include "qla_edif.h" 8 9 #include <linux/kthread.h> 10 #include <linux/vmalloc.h> 11 #include <linux/delay.h> 12 #include <scsi/scsi_tcq.h> 13 14 static struct edif_sa_index_entry *qla_edif_sadb_find_sa_index_entry(uint16_t nport_handle, 15 struct list_head *sa_list); 16 static uint16_t qla_edif_sadb_get_sa_index(fc_port_t *fcport, 17 struct qla_sa_update_frame *sa_frame); 18 static int qla_edif_sadb_delete_sa_index(fc_port_t *fcport, uint16_t nport_handle, 19 uint16_t sa_index); 20 static int qla_pur_get_pending(scsi_qla_host_t *, fc_port_t *, struct bsg_job *); 21 22 struct edb_node { 23 struct list_head list; 24 uint32_t ntype; 25 union { 26 port_id_t plogi_did; 27 uint32_t async; 28 port_id_t els_sid; 29 struct edif_sa_update_aen sa_aen; 30 } u; 31 }; 32 33 static struct els_sub_cmd { 34 uint16_t cmd; 35 const char *str; 36 } sc_str[] = { 37 {SEND_ELS, "send ELS"}, 38 {SEND_ELS_REPLY, "send ELS Reply"}, 39 {PULL_ELS, "retrieve ELS"}, 40 }; 41 sc_to_str(uint16_t cmd)42 const char *sc_to_str(uint16_t cmd) 43 { 44 int i; 45 struct els_sub_cmd *e; 46 47 for (i = 0; i < ARRAY_SIZE(sc_str); i++) { 48 e = sc_str + i; 49 if (cmd == e->cmd) 50 return e->str; 51 } 52 return "unknown"; 53 } 54 qla_edb_getnext(scsi_qla_host_t * vha)55 static struct edb_node *qla_edb_getnext(scsi_qla_host_t *vha) 56 { 57 unsigned long flags; 58 struct edb_node *edbnode = NULL; 59 60 spin_lock_irqsave(&vha->e_dbell.db_lock, flags); 61 62 /* db nodes are fifo - no qualifications done */ 63 if (!list_empty(&vha->e_dbell.head)) { 64 edbnode = list_first_entry(&vha->e_dbell.head, 65 struct edb_node, list); 66 list_del_init(&edbnode->list); 67 } 68 69 spin_unlock_irqrestore(&vha->e_dbell.db_lock, flags); 70 71 return edbnode; 72 } 73 qla_edb_node_free(scsi_qla_host_t * vha,struct edb_node * node)74 static void qla_edb_node_free(scsi_qla_host_t *vha, struct edb_node *node) 75 { 76 list_del_init(&node->list); 77 kfree(node); 78 } 79 qla_edif_list_find_sa_index(fc_port_t * fcport,uint16_t handle)80 static struct edif_list_entry *qla_edif_list_find_sa_index(fc_port_t *fcport, 81 uint16_t handle) 82 { 83 struct edif_list_entry *entry; 84 struct edif_list_entry *tentry; 85 struct list_head *indx_list = &fcport->edif.edif_indx_list; 86 87 list_for_each_entry_safe(entry, tentry, indx_list, next) { 88 if (entry->handle == handle) 89 return entry; 90 } 91 return NULL; 92 } 93 94 /* timeout called when no traffic and delayed rx sa_index delete */ qla2x00_sa_replace_iocb_timeout(struct timer_list * t)95 static void qla2x00_sa_replace_iocb_timeout(struct timer_list *t) 96 { 97 struct edif_list_entry *edif_entry = from_timer(edif_entry, t, timer); 98 fc_port_t *fcport = edif_entry->fcport; 99 struct scsi_qla_host *vha = fcport->vha; 100 struct edif_sa_ctl *sa_ctl; 101 uint16_t nport_handle; 102 unsigned long flags = 0; 103 104 ql_dbg(ql_dbg_edif, vha, 0x3069, 105 "%s: nport_handle 0x%x, SA REPL Delay Timeout, %8phC portid=%06x\n", 106 __func__, edif_entry->handle, fcport->port_name, fcport->d_id.b24); 107 108 /* 109 * if delete_sa_index is valid then no one has serviced this 110 * delayed delete 111 */ 112 spin_lock_irqsave(&fcport->edif.indx_list_lock, flags); 113 114 /* 115 * delete_sa_index is invalidated when we find the new sa_index in 116 * the incoming data stream. If it is not invalidated then we are 117 * still looking for the new sa_index because there is no I/O and we 118 * need to just force the rx delete and move on. Otherwise 119 * we could get another rekey which will result in an error 66. 120 */ 121 if (edif_entry->delete_sa_index != INVALID_EDIF_SA_INDEX) { 122 uint16_t delete_sa_index = edif_entry->delete_sa_index; 123 124 edif_entry->delete_sa_index = INVALID_EDIF_SA_INDEX; 125 nport_handle = edif_entry->handle; 126 spin_unlock_irqrestore(&fcport->edif.indx_list_lock, flags); 127 128 sa_ctl = qla_edif_find_sa_ctl_by_index(fcport, 129 delete_sa_index, 0); 130 131 if (sa_ctl) { 132 ql_dbg(ql_dbg_edif, vha, 0x3063, 133 "%s: sa_ctl: %p, delete index %d, update index: %d, lid: 0x%x\n", 134 __func__, sa_ctl, delete_sa_index, edif_entry->update_sa_index, 135 nport_handle); 136 137 sa_ctl->flags = EDIF_SA_CTL_FLG_DEL; 138 set_bit(EDIF_SA_CTL_REPL, &sa_ctl->state); 139 qla_post_sa_replace_work(fcport->vha, fcport, 140 nport_handle, sa_ctl); 141 142 } else { 143 ql_dbg(ql_dbg_edif, vha, 0x3063, 144 "%s: sa_ctl not found for delete_sa_index: %d\n", 145 __func__, edif_entry->delete_sa_index); 146 } 147 } else { 148 spin_unlock_irqrestore(&fcport->edif.indx_list_lock, flags); 149 } 150 } 151 152 /* 153 * create a new list entry for this nport handle and 154 * add an sa_update index to the list - called for sa_update 155 */ qla_edif_list_add_sa_update_index(fc_port_t * fcport,uint16_t sa_index,uint16_t handle)156 static int qla_edif_list_add_sa_update_index(fc_port_t *fcport, 157 uint16_t sa_index, uint16_t handle) 158 { 159 struct edif_list_entry *entry; 160 unsigned long flags = 0; 161 162 /* if the entry exists, then just update the sa_index */ 163 entry = qla_edif_list_find_sa_index(fcport, handle); 164 if (entry) { 165 entry->update_sa_index = sa_index; 166 entry->count = 0; 167 return 0; 168 } 169 170 /* 171 * This is the normal path - there should be no existing entry 172 * when update is called. The exception is at startup 173 * when update is called for the first two sa_indexes 174 * followed by a delete of the first sa_index 175 */ 176 entry = kzalloc((sizeof(struct edif_list_entry)), GFP_ATOMIC); 177 if (!entry) 178 return -ENOMEM; 179 180 INIT_LIST_HEAD(&entry->next); 181 entry->handle = handle; 182 entry->update_sa_index = sa_index; 183 entry->delete_sa_index = INVALID_EDIF_SA_INDEX; 184 entry->count = 0; 185 entry->flags = 0; 186 timer_setup(&entry->timer, qla2x00_sa_replace_iocb_timeout, 0); 187 spin_lock_irqsave(&fcport->edif.indx_list_lock, flags); 188 list_add_tail(&entry->next, &fcport->edif.edif_indx_list); 189 spin_unlock_irqrestore(&fcport->edif.indx_list_lock, flags); 190 return 0; 191 } 192 193 /* remove an entry from the list */ qla_edif_list_delete_sa_index(fc_port_t * fcport,struct edif_list_entry * entry)194 static void qla_edif_list_delete_sa_index(fc_port_t *fcport, struct edif_list_entry *entry) 195 { 196 unsigned long flags = 0; 197 198 spin_lock_irqsave(&fcport->edif.indx_list_lock, flags); 199 list_del(&entry->next); 200 spin_unlock_irqrestore(&fcport->edif.indx_list_lock, flags); 201 } 202 qla_post_sa_replace_work(struct scsi_qla_host * vha,fc_port_t * fcport,uint16_t nport_handle,struct edif_sa_ctl * sa_ctl)203 int qla_post_sa_replace_work(struct scsi_qla_host *vha, 204 fc_port_t *fcport, uint16_t nport_handle, struct edif_sa_ctl *sa_ctl) 205 { 206 struct qla_work_evt *e; 207 208 e = qla2x00_alloc_work(vha, QLA_EVT_SA_REPLACE); 209 if (!e) 210 return QLA_FUNCTION_FAILED; 211 212 e->u.sa_update.fcport = fcport; 213 e->u.sa_update.sa_ctl = sa_ctl; 214 e->u.sa_update.nport_handle = nport_handle; 215 fcport->flags |= FCF_ASYNC_ACTIVE; 216 return qla2x00_post_work(vha, e); 217 } 218 219 static void qla_edif_sa_ctl_init(scsi_qla_host_t * vha,struct fc_port * fcport)220 qla_edif_sa_ctl_init(scsi_qla_host_t *vha, struct fc_port *fcport) 221 { 222 ql_dbg(ql_dbg_edif, vha, 0x2058, 223 "Init SA_CTL List for fcport - nn %8phN pn %8phN portid=%06x.\n", 224 fcport->node_name, fcport->port_name, fcport->d_id.b24); 225 226 fcport->edif.tx_rekey_cnt = 0; 227 fcport->edif.rx_rekey_cnt = 0; 228 229 fcport->edif.tx_bytes = 0; 230 fcport->edif.rx_bytes = 0; 231 } 232 qla_bsg_check(scsi_qla_host_t * vha,struct bsg_job * bsg_job,fc_port_t * fcport)233 static int qla_bsg_check(scsi_qla_host_t *vha, struct bsg_job *bsg_job, 234 fc_port_t *fcport) 235 { 236 struct extra_auth_els *p; 237 struct fc_bsg_reply *bsg_reply = bsg_job->reply; 238 struct qla_bsg_auth_els_request *req = 239 (struct qla_bsg_auth_els_request *)bsg_job->request; 240 241 if (!vha->hw->flags.edif_enabled) { 242 ql_dbg(ql_dbg_edif, vha, 0x9105, 243 "%s edif not enabled\n", __func__); 244 goto done; 245 } 246 if (DBELL_INACTIVE(vha)) { 247 ql_dbg(ql_dbg_edif, vha, 0x09102, 248 "%s doorbell not enabled\n", __func__); 249 goto done; 250 } 251 252 p = &req->e; 253 254 /* Get response */ 255 if (p->sub_cmd == PULL_ELS) { 256 struct qla_bsg_auth_els_reply *rpl = 257 (struct qla_bsg_auth_els_reply *)bsg_job->reply; 258 259 qla_pur_get_pending(vha, fcport, bsg_job); 260 261 ql_dbg(ql_dbg_edif, vha, 0x911d, 262 "%s %s %8phN sid=%x. xchg %x, nb=%xh bsg ptr %p\n", 263 __func__, sc_to_str(p->sub_cmd), fcport->port_name, 264 fcport->d_id.b24, rpl->rx_xchg_address, 265 rpl->r.reply_payload_rcv_len, bsg_job); 266 267 goto done; 268 } 269 return 0; 270 271 done: 272 273 bsg_job_done(bsg_job, bsg_reply->result, 274 bsg_reply->reply_payload_rcv_len); 275 return -EIO; 276 } 277 278 fc_port_t * qla2x00_find_fcport_by_pid(scsi_qla_host_t * vha,port_id_t * id)279 qla2x00_find_fcport_by_pid(scsi_qla_host_t *vha, port_id_t *id) 280 { 281 fc_port_t *f, *tf; 282 283 f = NULL; 284 list_for_each_entry_safe(f, tf, &vha->vp_fcports, list) { 285 if (f->d_id.b24 == id->b24) 286 return f; 287 } 288 return NULL; 289 } 290 291 /** 292 * qla_edif_app_check(): check for valid application id. 293 * @vha: host adapter pointer 294 * @appid: application id 295 * Return: false = fail, true = pass 296 */ 297 static bool qla_edif_app_check(scsi_qla_host_t * vha,struct app_id appid)298 qla_edif_app_check(scsi_qla_host_t *vha, struct app_id appid) 299 { 300 /* check that the app is allow/known to the driver */ 301 302 if (appid.app_vid != EDIF_APP_ID) { 303 ql_dbg(ql_dbg_edif, vha, 0x911d, "%s app id not ok (%x)", 304 __func__, appid.app_vid); 305 return false; 306 } 307 308 if (appid.version != EDIF_VERSION1) { 309 ql_dbg(ql_dbg_edif, vha, 0x911d, "%s app version is not ok (%x)", 310 __func__, appid.version); 311 return false; 312 } 313 314 return true; 315 } 316 317 static void qla_edif_free_sa_ctl(fc_port_t * fcport,struct edif_sa_ctl * sa_ctl,int index)318 qla_edif_free_sa_ctl(fc_port_t *fcport, struct edif_sa_ctl *sa_ctl, 319 int index) 320 { 321 unsigned long flags = 0; 322 323 spin_lock_irqsave(&fcport->edif.sa_list_lock, flags); 324 list_del(&sa_ctl->next); 325 spin_unlock_irqrestore(&fcport->edif.sa_list_lock, flags); 326 if (index >= 512) 327 fcport->edif.tx_rekey_cnt--; 328 else 329 fcport->edif.rx_rekey_cnt--; 330 kfree(sa_ctl); 331 } 332 333 /* return an index to the freepool */ qla_edif_add_sa_index_to_freepool(fc_port_t * fcport,int dir,uint16_t sa_index)334 static void qla_edif_add_sa_index_to_freepool(fc_port_t *fcport, int dir, 335 uint16_t sa_index) 336 { 337 void *sa_id_map; 338 struct scsi_qla_host *vha = fcport->vha; 339 struct qla_hw_data *ha = vha->hw; 340 unsigned long flags = 0; 341 u16 lsa_index = sa_index; 342 343 ql_dbg(ql_dbg_edif + ql_dbg_verbose, vha, 0x3063, 344 "%s: entry\n", __func__); 345 346 if (dir) { 347 sa_id_map = ha->edif_tx_sa_id_map; 348 lsa_index -= EDIF_TX_SA_INDEX_BASE; 349 } else { 350 sa_id_map = ha->edif_rx_sa_id_map; 351 } 352 353 spin_lock_irqsave(&ha->sadb_fp_lock, flags); 354 clear_bit(lsa_index, sa_id_map); 355 spin_unlock_irqrestore(&ha->sadb_fp_lock, flags); 356 ql_dbg(ql_dbg_edif, vha, 0x3063, 357 "%s: index %d added to free pool\n", __func__, sa_index); 358 } 359 __qla2x00_release_all_sadb(struct scsi_qla_host * vha,struct fc_port * fcport,struct edif_sa_index_entry * entry,int pdir)360 static void __qla2x00_release_all_sadb(struct scsi_qla_host *vha, 361 struct fc_port *fcport, struct edif_sa_index_entry *entry, 362 int pdir) 363 { 364 struct edif_list_entry *edif_entry; 365 struct edif_sa_ctl *sa_ctl; 366 int i, dir; 367 int key_cnt = 0; 368 369 for (i = 0; i < 2; i++) { 370 if (entry->sa_pair[i].sa_index == INVALID_EDIF_SA_INDEX) 371 continue; 372 373 if (fcport->loop_id != entry->handle) { 374 ql_dbg(ql_dbg_edif, vha, 0x3063, 375 "%s: ** WARNING %d** entry handle: 0x%x, lid: 0x%x, sa_index: %d\n", 376 __func__, i, entry->handle, fcport->loop_id, 377 entry->sa_pair[i].sa_index); 378 } 379 380 /* release the sa_ctl */ 381 sa_ctl = qla_edif_find_sa_ctl_by_index(fcport, 382 entry->sa_pair[i].sa_index, pdir); 383 if (sa_ctl && 384 qla_edif_find_sa_ctl_by_index(fcport, sa_ctl->index, pdir)) { 385 ql_dbg(ql_dbg_edif, vha, 0x3063, 386 "%s: freeing sa_ctl for index %d\n", __func__, sa_ctl->index); 387 qla_edif_free_sa_ctl(fcport, sa_ctl, sa_ctl->index); 388 } else { 389 ql_dbg(ql_dbg_edif, vha, 0x3063, 390 "%s: sa_ctl NOT freed, sa_ctl: %p\n", __func__, sa_ctl); 391 } 392 393 /* Release the index */ 394 ql_dbg(ql_dbg_edif, vha, 0x3063, 395 "%s: freeing sa_index %d, nph: 0x%x\n", 396 __func__, entry->sa_pair[i].sa_index, entry->handle); 397 398 dir = (entry->sa_pair[i].sa_index < 399 EDIF_TX_SA_INDEX_BASE) ? 0 : 1; 400 qla_edif_add_sa_index_to_freepool(fcport, dir, 401 entry->sa_pair[i].sa_index); 402 403 /* Delete timer on RX */ 404 if (pdir != SAU_FLG_TX) { 405 edif_entry = 406 qla_edif_list_find_sa_index(fcport, entry->handle); 407 if (edif_entry) { 408 ql_dbg(ql_dbg_edif, vha, 0x5033, 409 "%s: remove edif_entry %p, update_sa_index: 0x%x, delete_sa_index: 0x%x\n", 410 __func__, edif_entry, edif_entry->update_sa_index, 411 edif_entry->delete_sa_index); 412 qla_edif_list_delete_sa_index(fcport, edif_entry); 413 /* 414 * valid delete_sa_index indicates there is a rx 415 * delayed delete queued 416 */ 417 if (edif_entry->delete_sa_index != 418 INVALID_EDIF_SA_INDEX) { 419 timer_shutdown(&edif_entry->timer); 420 421 /* build and send the aen */ 422 fcport->edif.rx_sa_set = 1; 423 fcport->edif.rx_sa_pending = 0; 424 qla_edb_eventcreate(vha, 425 VND_CMD_AUTH_STATE_SAUPDATE_COMPL, 426 QL_VND_SA_STAT_SUCCESS, 427 QL_VND_RX_SA_KEY, fcport); 428 } 429 ql_dbg(ql_dbg_edif, vha, 0x5033, 430 "%s: release edif_entry %p, update_sa_index: 0x%x, delete_sa_index: 0x%x\n", 431 __func__, edif_entry, edif_entry->update_sa_index, 432 edif_entry->delete_sa_index); 433 434 kfree(edif_entry); 435 } 436 } 437 key_cnt++; 438 } 439 ql_dbg(ql_dbg_edif, vha, 0x3063, 440 "%s: %d %s keys released\n", 441 __func__, key_cnt, pdir ? "tx" : "rx"); 442 } 443 444 /* find an release all outstanding sadb sa_indicies */ qla2x00_release_all_sadb(struct scsi_qla_host * vha,struct fc_port * fcport)445 void qla2x00_release_all_sadb(struct scsi_qla_host *vha, struct fc_port *fcport) 446 { 447 struct edif_sa_index_entry *entry, *tmp; 448 struct qla_hw_data *ha = vha->hw; 449 unsigned long flags; 450 451 ql_dbg(ql_dbg_edif + ql_dbg_verbose, vha, 0x3063, 452 "%s: Starting...\n", __func__); 453 454 spin_lock_irqsave(&ha->sadb_lock, flags); 455 456 list_for_each_entry_safe(entry, tmp, &ha->sadb_rx_index_list, next) { 457 if (entry->fcport == fcport) { 458 list_del(&entry->next); 459 spin_unlock_irqrestore(&ha->sadb_lock, flags); 460 __qla2x00_release_all_sadb(vha, fcport, entry, 0); 461 kfree(entry); 462 spin_lock_irqsave(&ha->sadb_lock, flags); 463 break; 464 } 465 } 466 467 list_for_each_entry_safe(entry, tmp, &ha->sadb_tx_index_list, next) { 468 if (entry->fcport == fcport) { 469 list_del(&entry->next); 470 spin_unlock_irqrestore(&ha->sadb_lock, flags); 471 472 __qla2x00_release_all_sadb(vha, fcport, entry, SAU_FLG_TX); 473 474 kfree(entry); 475 spin_lock_irqsave(&ha->sadb_lock, flags); 476 break; 477 } 478 } 479 spin_unlock_irqrestore(&ha->sadb_lock, flags); 480 } 481 482 /** 483 * qla_delete_n2n_sess_and_wait: search for N2N session, tear it down and 484 * wait for tear down to complete. In N2N topology, there is only one 485 * session being active in tracking the remote device. 486 * @vha: host adapter pointer 487 * return code: 0 - found the session and completed the tear down. 488 * 1 - timeout occurred. Caller to use link bounce to reset. 489 */ qla_delete_n2n_sess_and_wait(scsi_qla_host_t * vha)490 static int qla_delete_n2n_sess_and_wait(scsi_qla_host_t *vha) 491 { 492 struct fc_port *fcport; 493 int rc = -EIO; 494 ulong expire = jiffies + 23 * HZ; 495 496 if (!N2N_TOPO(vha->hw)) 497 return 0; 498 499 fcport = NULL; 500 list_for_each_entry(fcport, &vha->vp_fcports, list) { 501 if (!fcport->n2n_flag) 502 continue; 503 504 ql_dbg(ql_dbg_disc, fcport->vha, 0x2016, 505 "%s reset sess at app start \n", __func__); 506 507 qla_edif_sa_ctl_init(vha, fcport); 508 qlt_schedule_sess_for_deletion(fcport); 509 510 while (time_before_eq(jiffies, expire)) { 511 if (fcport->disc_state != DSC_DELETE_PEND) { 512 rc = 0; 513 break; 514 } 515 msleep(1); 516 } 517 518 set_bit(RELOGIN_NEEDED, &vha->dpc_flags); 519 break; 520 } 521 522 return rc; 523 } 524 525 /** 526 * qla_edif_app_start: application has announce its present 527 * @vha: host adapter pointer 528 * @bsg_job: user request 529 * 530 * Set/activate doorbell. Reset current sessions and re-login with 531 * secure flag. 532 */ 533 static int qla_edif_app_start(scsi_qla_host_t * vha,struct bsg_job * bsg_job)534 qla_edif_app_start(scsi_qla_host_t *vha, struct bsg_job *bsg_job) 535 { 536 int32_t rval = 0; 537 struct fc_bsg_reply *bsg_reply = bsg_job->reply; 538 struct app_start appstart; 539 struct app_start_reply appreply; 540 struct fc_port *fcport, *tf; 541 542 ql_log(ql_log_info, vha, 0x1313, 543 "EDIF application registration with driver, FC device connections will be re-established.\n"); 544 545 sg_copy_to_buffer(bsg_job->request_payload.sg_list, 546 bsg_job->request_payload.sg_cnt, &appstart, 547 sizeof(struct app_start)); 548 549 ql_dbg(ql_dbg_edif, vha, 0x911d, "%s app_vid=%x app_start_flags %x\n", 550 __func__, appstart.app_info.app_vid, appstart.app_start_flags); 551 552 if (DBELL_INACTIVE(vha)) { 553 /* mark doorbell as active since an app is now present */ 554 vha->e_dbell.db_flags |= EDB_ACTIVE; 555 } else { 556 goto out; 557 } 558 559 if (N2N_TOPO(vha->hw)) { 560 list_for_each_entry_safe(fcport, tf, &vha->vp_fcports, list) 561 fcport->n2n_link_reset_cnt = 0; 562 563 if (vha->hw->flags.n2n_fw_acc_sec) { 564 bool link_bounce = false; 565 /* 566 * While authentication app was not running, remote device 567 * could still try to login with this local port. Let's 568 * reset the session, reconnect and re-authenticate. 569 */ 570 if (qla_delete_n2n_sess_and_wait(vha)) 571 link_bounce = true; 572 573 /* bounce the link to start login */ 574 if (!vha->hw->flags.n2n_bigger || link_bounce) { 575 set_bit(N2N_LINK_RESET, &vha->dpc_flags); 576 qla2xxx_wake_dpc(vha); 577 } 578 } else { 579 qla2x00_wait_for_hba_online(vha); 580 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 581 qla2xxx_wake_dpc(vha); 582 qla2x00_wait_for_hba_online(vha); 583 } 584 } else { 585 list_for_each_entry_safe(fcport, tf, &vha->vp_fcports, list) { 586 ql_dbg(ql_dbg_edif, vha, 0x2058, 587 "FCSP - nn %8phN pn %8phN portid=%06x.\n", 588 fcport->node_name, fcport->port_name, 589 fcport->d_id.b24); 590 ql_dbg(ql_dbg_edif, vha, 0xf084, 591 "%s: se_sess %p / sess %p from port %8phC " 592 "loop_id %#04x s_id %06x logout %d " 593 "keep %d els_logo %d disc state %d auth state %d" 594 "stop state %d\n", 595 __func__, fcport->se_sess, fcport, 596 fcport->port_name, fcport->loop_id, 597 fcport->d_id.b24, fcport->logout_on_delete, 598 fcport->keep_nport_handle, fcport->send_els_logo, 599 fcport->disc_state, fcport->edif.auth_state, 600 fcport->edif.app_stop); 601 602 if (atomic_read(&vha->loop_state) == LOOP_DOWN) 603 break; 604 605 fcport->login_retry = vha->hw->login_retry_count; 606 607 fcport->edif.app_stop = 0; 608 fcport->edif.app_sess_online = 0; 609 610 if (fcport->scan_state != QLA_FCPORT_FOUND) 611 continue; 612 613 if (fcport->port_type == FCT_UNKNOWN && 614 !fcport->fc4_features) 615 rval = qla24xx_async_gffid(vha, fcport, true); 616 617 if (!rval && !(fcport->fc4_features & FC4_FF_TARGET || 618 fcport->port_type & (FCT_TARGET|FCT_NVME_TARGET))) 619 continue; 620 621 rval = 0; 622 623 ql_dbg(ql_dbg_edif, vha, 0x911e, 624 "%s wwpn %8phC calling qla_edif_reset_auth_wait\n", 625 __func__, fcport->port_name); 626 qlt_schedule_sess_for_deletion(fcport); 627 qla_edif_sa_ctl_init(vha, fcport); 628 } 629 set_bit(RELOGIN_NEEDED, &vha->dpc_flags); 630 } 631 632 if (vha->pur_cinfo.enode_flags != ENODE_ACTIVE) { 633 /* mark as active since an app is now present */ 634 vha->pur_cinfo.enode_flags = ENODE_ACTIVE; 635 } else { 636 ql_dbg(ql_dbg_edif, vha, 0x911f, "%s enode already active\n", 637 __func__); 638 } 639 640 out: 641 appreply.host_support_edif = vha->hw->flags.edif_enabled; 642 appreply.edif_enode_active = vha->pur_cinfo.enode_flags; 643 appreply.edif_edb_active = vha->e_dbell.db_flags; 644 appreply.version = EDIF_VERSION1; 645 646 bsg_job->reply_len = sizeof(struct fc_bsg_reply); 647 648 SET_DID_STATUS(bsg_reply->result, DID_OK); 649 650 bsg_reply->reply_payload_rcv_len = sg_copy_from_buffer(bsg_job->reply_payload.sg_list, 651 bsg_job->reply_payload.sg_cnt, 652 &appreply, 653 sizeof(struct app_start_reply)); 654 655 ql_dbg(ql_dbg_edif, vha, 0x911d, 656 "%s app start completed with 0x%x\n", 657 __func__, rval); 658 659 return rval; 660 } 661 662 /** 663 * qla_edif_app_stop - app has announced it's exiting. 664 * @vha: host adapter pointer 665 * @bsg_job: user space command pointer 666 * 667 * Free any in flight messages, clear all doorbell events 668 * to application. Reject any message relate to security. 669 */ 670 static int qla_edif_app_stop(scsi_qla_host_t * vha,struct bsg_job * bsg_job)671 qla_edif_app_stop(scsi_qla_host_t *vha, struct bsg_job *bsg_job) 672 { 673 struct app_stop appstop; 674 struct fc_bsg_reply *bsg_reply = bsg_job->reply; 675 struct fc_port *fcport, *tf; 676 677 sg_copy_to_buffer(bsg_job->request_payload.sg_list, 678 bsg_job->request_payload.sg_cnt, &appstop, 679 sizeof(struct app_stop)); 680 681 ql_dbg(ql_dbg_edif, vha, 0x911d, "%s Stopping APP: app_vid=%x\n", 682 __func__, appstop.app_info.app_vid); 683 684 /* Call db stop and enode stop functions */ 685 686 /* if we leave this running short waits are operational < 16 secs */ 687 qla_enode_stop(vha); /* stop enode */ 688 qla_edb_stop(vha); /* stop db */ 689 690 list_for_each_entry_safe(fcport, tf, &vha->vp_fcports, list) { 691 if (!(fcport->flags & FCF_FCSP_DEVICE)) 692 continue; 693 694 if (fcport->flags & FCF_FCSP_DEVICE) { 695 ql_dbg(ql_dbg_edif, vha, 0xf084, 696 "%s: sess %p from port %8phC lid %#04x s_id %06x logout %d keep %d els_logo %d\n", 697 __func__, fcport, 698 fcport->port_name, fcport->loop_id, fcport->d_id.b24, 699 fcport->logout_on_delete, fcport->keep_nport_handle, 700 fcport->send_els_logo); 701 702 if (atomic_read(&vha->loop_state) == LOOP_DOWN) 703 break; 704 705 fcport->edif.app_stop = 1; 706 ql_dbg(ql_dbg_edif, vha, 0x911e, 707 "%s wwpn %8phC calling qla_edif_reset_auth_wait\n", 708 __func__, fcport->port_name); 709 710 fcport->send_els_logo = 1; 711 qlt_schedule_sess_for_deletion(fcport); 712 } 713 } 714 715 bsg_job->reply_len = sizeof(struct fc_bsg_reply); 716 SET_DID_STATUS(bsg_reply->result, DID_OK); 717 718 /* no return interface to app - it assumes we cleaned up ok */ 719 720 return 0; 721 } 722 723 static int qla_edif_app_chk_sa_update(scsi_qla_host_t * vha,fc_port_t * fcport,struct app_plogi_reply * appplogireply)724 qla_edif_app_chk_sa_update(scsi_qla_host_t *vha, fc_port_t *fcport, 725 struct app_plogi_reply *appplogireply) 726 { 727 int ret = 0; 728 729 if (!(fcport->edif.rx_sa_set && fcport->edif.tx_sa_set)) { 730 ql_dbg(ql_dbg_edif, vha, 0x911e, 731 "%s: wwpn %8phC Both SA indexes has not been SET TX %d, RX %d.\n", 732 __func__, fcport->port_name, fcport->edif.tx_sa_set, 733 fcport->edif.rx_sa_set); 734 appplogireply->prli_status = 0; 735 ret = 1; 736 } else { 737 ql_dbg(ql_dbg_edif, vha, 0x911e, 738 "%s wwpn %8phC Both SA(s) updated.\n", __func__, 739 fcport->port_name); 740 fcport->edif.rx_sa_set = fcport->edif.tx_sa_set = 0; 741 fcport->edif.rx_sa_pending = fcport->edif.tx_sa_pending = 0; 742 appplogireply->prli_status = 1; 743 } 744 return ret; 745 } 746 747 /** 748 * qla_edif_app_authok - authentication by app succeeded. Driver can proceed 749 * with prli 750 * @vha: host adapter pointer 751 * @bsg_job: user request 752 */ 753 static int qla_edif_app_authok(scsi_qla_host_t * vha,struct bsg_job * bsg_job)754 qla_edif_app_authok(scsi_qla_host_t *vha, struct bsg_job *bsg_job) 755 { 756 struct auth_complete_cmd appplogiok; 757 struct app_plogi_reply appplogireply = {0}; 758 struct fc_bsg_reply *bsg_reply = bsg_job->reply; 759 fc_port_t *fcport = NULL; 760 port_id_t portid = {0}; 761 762 sg_copy_to_buffer(bsg_job->request_payload.sg_list, 763 bsg_job->request_payload.sg_cnt, &appplogiok, 764 sizeof(struct auth_complete_cmd)); 765 766 /* silent unaligned access warning */ 767 portid.b.domain = appplogiok.u.d_id.b.domain; 768 portid.b.area = appplogiok.u.d_id.b.area; 769 portid.b.al_pa = appplogiok.u.d_id.b.al_pa; 770 771 appplogireply.version = EDIF_VERSION1; 772 switch (appplogiok.type) { 773 case PL_TYPE_WWPN: 774 fcport = qla2x00_find_fcport_by_wwpn(vha, 775 appplogiok.u.wwpn, 0); 776 if (!fcport) 777 ql_dbg(ql_dbg_edif, vha, 0x911d, 778 "%s wwpn lookup failed: %8phC\n", 779 __func__, appplogiok.u.wwpn); 780 break; 781 case PL_TYPE_DID: 782 fcport = qla2x00_find_fcport_by_pid(vha, &portid); 783 if (!fcport) 784 ql_dbg(ql_dbg_edif, vha, 0x911d, 785 "%s d_id lookup failed: %x\n", __func__, 786 portid.b24); 787 break; 788 default: 789 ql_dbg(ql_dbg_edif, vha, 0x911d, 790 "%s undefined type: %x\n", __func__, 791 appplogiok.type); 792 break; 793 } 794 795 if (!fcport) { 796 SET_DID_STATUS(bsg_reply->result, DID_ERROR); 797 goto errstate_exit; 798 } 799 800 /* 801 * if port is online then this is a REKEY operation 802 * Only do sa update checking 803 */ 804 if (atomic_read(&fcport->state) == FCS_ONLINE) { 805 ql_dbg(ql_dbg_edif, vha, 0x911d, 806 "%s Skipping PRLI complete based on rekey\n", __func__); 807 appplogireply.prli_status = 1; 808 SET_DID_STATUS(bsg_reply->result, DID_OK); 809 qla_edif_app_chk_sa_update(vha, fcport, &appplogireply); 810 goto errstate_exit; 811 } 812 813 /* make sure in AUTH_PENDING or else reject */ 814 if (fcport->disc_state != DSC_LOGIN_AUTH_PEND) { 815 ql_dbg(ql_dbg_edif, vha, 0x911e, 816 "%s wwpn %8phC is not in auth pending state (%x)\n", 817 __func__, fcport->port_name, fcport->disc_state); 818 SET_DID_STATUS(bsg_reply->result, DID_OK); 819 appplogireply.prli_status = 0; 820 goto errstate_exit; 821 } 822 823 SET_DID_STATUS(bsg_reply->result, DID_OK); 824 appplogireply.prli_status = 1; 825 fcport->edif.authok = 1; 826 if (!(fcport->edif.rx_sa_set && fcport->edif.tx_sa_set)) { 827 ql_dbg(ql_dbg_edif, vha, 0x911e, 828 "%s: wwpn %8phC Both SA indexes has not been SET TX %d, RX %d.\n", 829 __func__, fcport->port_name, fcport->edif.tx_sa_set, 830 fcport->edif.rx_sa_set); 831 SET_DID_STATUS(bsg_reply->result, DID_OK); 832 appplogireply.prli_status = 0; 833 goto errstate_exit; 834 835 } else { 836 ql_dbg(ql_dbg_edif, vha, 0x911e, 837 "%s wwpn %8phC Both SA(s) updated.\n", __func__, 838 fcport->port_name); 839 fcport->edif.rx_sa_set = fcport->edif.tx_sa_set = 0; 840 fcport->edif.rx_sa_pending = fcport->edif.tx_sa_pending = 0; 841 } 842 843 if (qla_ini_mode_enabled(vha)) { 844 ql_dbg(ql_dbg_edif, vha, 0x911e, 845 "%s AUTH complete - RESUME with prli for wwpn %8phC\n", 846 __func__, fcport->port_name); 847 qla24xx_post_prli_work(vha, fcport); 848 } 849 850 errstate_exit: 851 bsg_job->reply_len = sizeof(struct fc_bsg_reply); 852 bsg_reply->reply_payload_rcv_len = sg_copy_from_buffer(bsg_job->reply_payload.sg_list, 853 bsg_job->reply_payload.sg_cnt, 854 &appplogireply, 855 sizeof(struct app_plogi_reply)); 856 857 return 0; 858 } 859 860 /** 861 * qla_edif_app_authfail - authentication by app has failed. Driver is given 862 * notice to tear down current session. 863 * @vha: host adapter pointer 864 * @bsg_job: user request 865 */ 866 static int qla_edif_app_authfail(scsi_qla_host_t * vha,struct bsg_job * bsg_job)867 qla_edif_app_authfail(scsi_qla_host_t *vha, struct bsg_job *bsg_job) 868 { 869 int32_t rval = 0; 870 struct auth_complete_cmd appplogifail; 871 struct fc_bsg_reply *bsg_reply = bsg_job->reply; 872 fc_port_t *fcport = NULL; 873 port_id_t portid = {0}; 874 875 ql_dbg(ql_dbg_edif, vha, 0x911d, "%s app auth fail\n", __func__); 876 877 sg_copy_to_buffer(bsg_job->request_payload.sg_list, 878 bsg_job->request_payload.sg_cnt, &appplogifail, 879 sizeof(struct auth_complete_cmd)); 880 881 /* silent unaligned access warning */ 882 portid.b.domain = appplogifail.u.d_id.b.domain; 883 portid.b.area = appplogifail.u.d_id.b.area; 884 portid.b.al_pa = appplogifail.u.d_id.b.al_pa; 885 886 /* 887 * TODO: edif: app has failed this plogi. Inform driver to 888 * take any action (if any). 889 */ 890 switch (appplogifail.type) { 891 case PL_TYPE_WWPN: 892 fcport = qla2x00_find_fcport_by_wwpn(vha, 893 appplogifail.u.wwpn, 0); 894 SET_DID_STATUS(bsg_reply->result, DID_OK); 895 break; 896 case PL_TYPE_DID: 897 fcport = qla2x00_find_fcport_by_pid(vha, &portid); 898 if (!fcport) 899 ql_dbg(ql_dbg_edif, vha, 0x911d, 900 "%s d_id lookup failed: %x\n", __func__, 901 portid.b24); 902 SET_DID_STATUS(bsg_reply->result, DID_OK); 903 break; 904 default: 905 ql_dbg(ql_dbg_edif, vha, 0x911e, 906 "%s undefined type: %x\n", __func__, 907 appplogifail.type); 908 bsg_job->reply_len = sizeof(struct fc_bsg_reply); 909 SET_DID_STATUS(bsg_reply->result, DID_ERROR); 910 rval = -1; 911 break; 912 } 913 914 ql_dbg(ql_dbg_edif, vha, 0x911d, 915 "%s fcport is 0x%p\n", __func__, fcport); 916 917 if (fcport) { 918 /* set/reset edif values and flags */ 919 ql_dbg(ql_dbg_edif, vha, 0x911e, 920 "%s reset the auth process - %8phC, loopid=%x portid=%06x.\n", 921 __func__, fcport->port_name, fcport->loop_id, fcport->d_id.b24); 922 923 if (qla_ini_mode_enabled(fcport->vha)) { 924 fcport->send_els_logo = 1; 925 qlt_schedule_sess_for_deletion(fcport); 926 } 927 } 928 929 return rval; 930 } 931 932 /** 933 * qla_edif_app_getfcinfo - app would like to read session info (wwpn, nportid, 934 * [initiator|target] mode. It can specific session with specific nport id or 935 * all sessions. 936 * @vha: host adapter pointer 937 * @bsg_job: user request pointer 938 */ 939 static int qla_edif_app_getfcinfo(scsi_qla_host_t * vha,struct bsg_job * bsg_job)940 qla_edif_app_getfcinfo(scsi_qla_host_t *vha, struct bsg_job *bsg_job) 941 { 942 int32_t rval = 0; 943 int32_t pcnt = 0; 944 struct fc_bsg_reply *bsg_reply = bsg_job->reply; 945 struct app_pinfo_req app_req; 946 struct app_pinfo_reply *app_reply; 947 port_id_t tdid; 948 949 ql_dbg(ql_dbg_edif, vha, 0x911d, "%s app get fcinfo\n", __func__); 950 951 sg_copy_to_buffer(bsg_job->request_payload.sg_list, 952 bsg_job->request_payload.sg_cnt, &app_req, 953 sizeof(struct app_pinfo_req)); 954 955 app_reply = kzalloc((sizeof(struct app_pinfo_reply) + 956 sizeof(struct app_pinfo) * app_req.num_ports), GFP_KERNEL); 957 958 if (!app_reply) { 959 SET_DID_STATUS(bsg_reply->result, DID_ERROR); 960 rval = -1; 961 } else { 962 struct fc_port *fcport = NULL, *tf; 963 964 app_reply->version = EDIF_VERSION1; 965 966 list_for_each_entry_safe(fcport, tf, &vha->vp_fcports, list) { 967 if (!(fcport->flags & FCF_FCSP_DEVICE)) 968 continue; 969 970 tdid.b.domain = app_req.remote_pid.domain; 971 tdid.b.area = app_req.remote_pid.area; 972 tdid.b.al_pa = app_req.remote_pid.al_pa; 973 974 ql_dbg(ql_dbg_edif, vha, 0x2058, 975 "APP request entry - portid=%06x.\n", tdid.b24); 976 977 /* Ran out of space */ 978 if (pcnt >= app_req.num_ports) 979 break; 980 981 if (tdid.b24 != 0 && tdid.b24 != fcport->d_id.b24) 982 continue; 983 984 if (!N2N_TOPO(vha->hw)) { 985 if (fcport->scan_state != QLA_FCPORT_FOUND) 986 continue; 987 988 if (fcport->port_type == FCT_UNKNOWN && 989 !fcport->fc4_features) 990 rval = qla24xx_async_gffid(vha, fcport, 991 true); 992 993 if (!rval && 994 !(fcport->fc4_features & FC4_FF_TARGET || 995 fcport->port_type & 996 (FCT_TARGET | FCT_NVME_TARGET))) 997 continue; 998 } 999 1000 rval = 0; 1001 1002 app_reply->ports[pcnt].version = EDIF_VERSION1; 1003 app_reply->ports[pcnt].remote_type = 1004 VND_CMD_RTYPE_UNKNOWN; 1005 if (fcport->port_type & (FCT_NVME_TARGET | FCT_TARGET)) 1006 app_reply->ports[pcnt].remote_type |= 1007 VND_CMD_RTYPE_TARGET; 1008 if (fcport->port_type & (FCT_NVME_INITIATOR | FCT_INITIATOR)) 1009 app_reply->ports[pcnt].remote_type |= 1010 VND_CMD_RTYPE_INITIATOR; 1011 1012 app_reply->ports[pcnt].remote_pid = fcport->d_id; 1013 1014 ql_dbg(ql_dbg_edif, vha, 0x2058, 1015 "Found FC_SP fcport - nn %8phN pn %8phN pcnt %d portid=%06x secure %d.\n", 1016 fcport->node_name, fcport->port_name, pcnt, 1017 fcport->d_id.b24, fcport->flags & FCF_FCSP_DEVICE); 1018 1019 switch (fcport->edif.auth_state) { 1020 case VND_CMD_AUTH_STATE_ELS_RCVD: 1021 if (fcport->disc_state == DSC_LOGIN_AUTH_PEND) { 1022 fcport->edif.auth_state = VND_CMD_AUTH_STATE_NEEDED; 1023 app_reply->ports[pcnt].auth_state = 1024 VND_CMD_AUTH_STATE_NEEDED; 1025 } else { 1026 app_reply->ports[pcnt].auth_state = 1027 VND_CMD_AUTH_STATE_ELS_RCVD; 1028 } 1029 break; 1030 default: 1031 app_reply->ports[pcnt].auth_state = fcport->edif.auth_state; 1032 break; 1033 } 1034 1035 memcpy(app_reply->ports[pcnt].remote_wwpn, 1036 fcport->port_name, 8); 1037 1038 app_reply->ports[pcnt].remote_state = 1039 (atomic_read(&fcport->state) == 1040 FCS_ONLINE ? 1 : 0); 1041 1042 pcnt++; 1043 1044 if (tdid.b24 != 0) 1045 break; 1046 } 1047 app_reply->port_count = pcnt; 1048 SET_DID_STATUS(bsg_reply->result, DID_OK); 1049 } 1050 1051 bsg_job->reply_len = sizeof(struct fc_bsg_reply); 1052 bsg_reply->reply_payload_rcv_len = sg_copy_from_buffer(bsg_job->reply_payload.sg_list, 1053 bsg_job->reply_payload.sg_cnt, 1054 app_reply, 1055 sizeof(struct app_pinfo_reply) + sizeof(struct app_pinfo) * pcnt); 1056 1057 kfree(app_reply); 1058 1059 return rval; 1060 } 1061 1062 /** 1063 * qla_edif_app_getstats - app would like to read various statistics info 1064 * @vha: host adapter pointer 1065 * @bsg_job: user request 1066 */ 1067 static int32_t qla_edif_app_getstats(scsi_qla_host_t * vha,struct bsg_job * bsg_job)1068 qla_edif_app_getstats(scsi_qla_host_t *vha, struct bsg_job *bsg_job) 1069 { 1070 int32_t rval = 0; 1071 struct fc_bsg_reply *bsg_reply = bsg_job->reply; 1072 uint32_t size; 1073 1074 struct app_sinfo_req app_req; 1075 struct app_stats_reply *app_reply; 1076 uint32_t pcnt = 0; 1077 1078 sg_copy_to_buffer(bsg_job->request_payload.sg_list, 1079 bsg_job->request_payload.sg_cnt, &app_req, 1080 sizeof(struct app_sinfo_req)); 1081 if (app_req.num_ports == 0) { 1082 ql_dbg(ql_dbg_async, vha, 0x911d, 1083 "%s app did not indicate number of ports to return\n", 1084 __func__); 1085 SET_DID_STATUS(bsg_reply->result, DID_ERROR); 1086 rval = -1; 1087 } 1088 1089 size = sizeof(struct app_stats_reply) + 1090 (sizeof(struct app_sinfo) * app_req.num_ports); 1091 1092 app_reply = kzalloc(size, GFP_KERNEL); 1093 if (!app_reply) { 1094 SET_DID_STATUS(bsg_reply->result, DID_ERROR); 1095 rval = -1; 1096 } else { 1097 struct fc_port *fcport = NULL, *tf; 1098 1099 app_reply->version = EDIF_VERSION1; 1100 1101 list_for_each_entry_safe(fcport, tf, &vha->vp_fcports, list) { 1102 if (fcport->edif.enable) { 1103 if (pcnt >= app_req.num_ports) 1104 break; 1105 1106 app_reply->elem[pcnt].rekey_count = 1107 fcport->edif.rekey_cnt; 1108 app_reply->elem[pcnt].tx_bytes = 1109 fcport->edif.tx_bytes; 1110 app_reply->elem[pcnt].rx_bytes = 1111 fcport->edif.rx_bytes; 1112 1113 memcpy(app_reply->elem[pcnt].remote_wwpn, 1114 fcport->port_name, 8); 1115 1116 pcnt++; 1117 } 1118 } 1119 app_reply->elem_count = pcnt; 1120 SET_DID_STATUS(bsg_reply->result, DID_OK); 1121 } 1122 1123 bsg_job->reply_len = sizeof(struct fc_bsg_reply); 1124 bsg_reply->reply_payload_rcv_len = 1125 sg_copy_from_buffer(bsg_job->reply_payload.sg_list, 1126 bsg_job->reply_payload.sg_cnt, app_reply, 1127 sizeof(struct app_stats_reply) + (sizeof(struct app_sinfo) * pcnt)); 1128 1129 kfree(app_reply); 1130 1131 return rval; 1132 } 1133 1134 static int32_t qla_edif_ack(scsi_qla_host_t * vha,struct bsg_job * bsg_job)1135 qla_edif_ack(scsi_qla_host_t *vha, struct bsg_job *bsg_job) 1136 { 1137 struct fc_port *fcport; 1138 struct aen_complete_cmd ack; 1139 struct fc_bsg_reply *bsg_reply = bsg_job->reply; 1140 1141 sg_copy_to_buffer(bsg_job->request_payload.sg_list, 1142 bsg_job->request_payload.sg_cnt, &ack, sizeof(ack)); 1143 1144 ql_dbg(ql_dbg_edif, vha, 0x70cf, 1145 "%s: %06x event_code %x\n", 1146 __func__, ack.port_id.b24, ack.event_code); 1147 1148 fcport = qla2x00_find_fcport_by_pid(vha, &ack.port_id); 1149 SET_DID_STATUS(bsg_reply->result, DID_OK); 1150 1151 if (!fcport) { 1152 ql_dbg(ql_dbg_edif, vha, 0x70cf, 1153 "%s: unable to find fcport %06x \n", 1154 __func__, ack.port_id.b24); 1155 return 0; 1156 } 1157 1158 switch (ack.event_code) { 1159 case VND_CMD_AUTH_STATE_SESSION_SHUTDOWN: 1160 fcport->edif.sess_down_acked = 1; 1161 break; 1162 default: 1163 break; 1164 } 1165 return 0; 1166 } 1167 qla_edif_consume_dbell(scsi_qla_host_t * vha,struct bsg_job * bsg_job)1168 static int qla_edif_consume_dbell(scsi_qla_host_t *vha, struct bsg_job *bsg_job) 1169 { 1170 struct fc_bsg_reply *bsg_reply = bsg_job->reply; 1171 u32 sg_skip, reply_payload_len; 1172 bool keep; 1173 struct edb_node *dbnode = NULL; 1174 struct edif_app_dbell ap; 1175 int dat_size = 0; 1176 1177 sg_skip = 0; 1178 reply_payload_len = bsg_job->reply_payload.payload_len; 1179 1180 while ((reply_payload_len - sg_skip) >= sizeof(struct edb_node)) { 1181 dbnode = qla_edb_getnext(vha); 1182 if (dbnode) { 1183 keep = true; 1184 dat_size = 0; 1185 ap.event_code = dbnode->ntype; 1186 switch (dbnode->ntype) { 1187 case VND_CMD_AUTH_STATE_SESSION_SHUTDOWN: 1188 case VND_CMD_AUTH_STATE_NEEDED: 1189 ap.port_id = dbnode->u.plogi_did; 1190 dat_size += sizeof(ap.port_id); 1191 break; 1192 case VND_CMD_AUTH_STATE_ELS_RCVD: 1193 ap.port_id = dbnode->u.els_sid; 1194 dat_size += sizeof(ap.port_id); 1195 break; 1196 case VND_CMD_AUTH_STATE_SAUPDATE_COMPL: 1197 ap.port_id = dbnode->u.sa_aen.port_id; 1198 memcpy(&ap.event_data, &dbnode->u, 1199 sizeof(struct edif_sa_update_aen)); 1200 dat_size += sizeof(struct edif_sa_update_aen); 1201 break; 1202 default: 1203 keep = false; 1204 ql_log(ql_log_warn, vha, 0x09102, 1205 "%s unknown DB type=%d %p\n", 1206 __func__, dbnode->ntype, dbnode); 1207 break; 1208 } 1209 ap.event_data_size = dat_size; 1210 /* 8 = sizeof(ap.event_code + ap.event_data_size) */ 1211 dat_size += 8; 1212 if (keep) 1213 sg_skip += sg_copy_buffer(bsg_job->reply_payload.sg_list, 1214 bsg_job->reply_payload.sg_cnt, 1215 &ap, dat_size, sg_skip, false); 1216 1217 ql_dbg(ql_dbg_edif, vha, 0x09102, 1218 "%s Doorbell consumed : type=%d %p\n", 1219 __func__, dbnode->ntype, dbnode); 1220 1221 kfree(dbnode); 1222 } else { 1223 break; 1224 } 1225 } 1226 1227 SET_DID_STATUS(bsg_reply->result, DID_OK); 1228 bsg_reply->reply_payload_rcv_len = sg_skip; 1229 bsg_job->reply_len = sizeof(struct fc_bsg_reply); 1230 1231 return 0; 1232 } 1233 __qla_edif_dbell_bsg_done(scsi_qla_host_t * vha,struct bsg_job * bsg_job,u32 delay)1234 static void __qla_edif_dbell_bsg_done(scsi_qla_host_t *vha, struct bsg_job *bsg_job, 1235 u32 delay) 1236 { 1237 struct fc_bsg_reply *bsg_reply = bsg_job->reply; 1238 1239 /* small sleep for doorbell events to accumulate */ 1240 if (delay) 1241 msleep(delay); 1242 1243 qla_edif_consume_dbell(vha, bsg_job); 1244 1245 bsg_job_done(bsg_job, bsg_reply->result, bsg_reply->reply_payload_rcv_len); 1246 } 1247 qla_edif_dbell_bsg_done(scsi_qla_host_t * vha)1248 static void qla_edif_dbell_bsg_done(scsi_qla_host_t *vha) 1249 { 1250 unsigned long flags; 1251 struct bsg_job *prev_bsg_job = NULL; 1252 1253 spin_lock_irqsave(&vha->e_dbell.db_lock, flags); 1254 if (vha->e_dbell.dbell_bsg_job) { 1255 prev_bsg_job = vha->e_dbell.dbell_bsg_job; 1256 vha->e_dbell.dbell_bsg_job = NULL; 1257 } 1258 spin_unlock_irqrestore(&vha->e_dbell.db_lock, flags); 1259 1260 if (prev_bsg_job) 1261 __qla_edif_dbell_bsg_done(vha, prev_bsg_job, 0); 1262 } 1263 1264 static int qla_edif_dbell_bsg(scsi_qla_host_t * vha,struct bsg_job * bsg_job)1265 qla_edif_dbell_bsg(scsi_qla_host_t *vha, struct bsg_job *bsg_job) 1266 { 1267 unsigned long flags; 1268 bool return_bsg = false; 1269 1270 /* flush previous dbell bsg */ 1271 qla_edif_dbell_bsg_done(vha); 1272 1273 spin_lock_irqsave(&vha->e_dbell.db_lock, flags); 1274 if (list_empty(&vha->e_dbell.head) && DBELL_ACTIVE(vha)) { 1275 /* 1276 * when the next db event happens, bsg_job will return. 1277 * Otherwise, timer will return it. 1278 */ 1279 vha->e_dbell.dbell_bsg_job = bsg_job; 1280 vha->e_dbell.bsg_expire = jiffies + 10 * HZ; 1281 } else { 1282 return_bsg = true; 1283 } 1284 spin_unlock_irqrestore(&vha->e_dbell.db_lock, flags); 1285 1286 if (return_bsg) 1287 __qla_edif_dbell_bsg_done(vha, bsg_job, 1); 1288 1289 return 0; 1290 } 1291 1292 int32_t qla_edif_app_mgmt(struct bsg_job * bsg_job)1293 qla_edif_app_mgmt(struct bsg_job *bsg_job) 1294 { 1295 struct fc_bsg_request *bsg_request = bsg_job->request; 1296 struct fc_bsg_reply *bsg_reply = bsg_job->reply; 1297 struct Scsi_Host *host = fc_bsg_to_shost(bsg_job); 1298 scsi_qla_host_t *vha = shost_priv(host); 1299 struct app_id appcheck; 1300 bool done = true; 1301 int32_t rval = 0; 1302 uint32_t vnd_sc = bsg_request->rqst_data.h_vendor.vendor_cmd[1]; 1303 u32 level = ql_dbg_edif; 1304 1305 /* doorbell is high traffic */ 1306 if (vnd_sc == QL_VND_SC_READ_DBELL) 1307 level = 0; 1308 1309 ql_dbg(level, vha, 0x911d, "%s vnd subcmd=%x\n", 1310 __func__, vnd_sc); 1311 1312 sg_copy_to_buffer(bsg_job->request_payload.sg_list, 1313 bsg_job->request_payload.sg_cnt, &appcheck, 1314 sizeof(struct app_id)); 1315 1316 if (!vha->hw->flags.edif_enabled || 1317 test_bit(VPORT_DELETE, &vha->dpc_flags)) { 1318 ql_dbg(level, vha, 0x911d, 1319 "%s edif not enabled or vp delete. bsg ptr done %p. dpc_flags %lx\n", 1320 __func__, bsg_job, vha->dpc_flags); 1321 1322 SET_DID_STATUS(bsg_reply->result, DID_ERROR); 1323 goto done; 1324 } 1325 1326 if (!qla_edif_app_check(vha, appcheck)) { 1327 ql_dbg(level, vha, 0x911d, 1328 "%s app checked failed.\n", 1329 __func__); 1330 1331 bsg_job->reply_len = sizeof(struct fc_bsg_reply); 1332 SET_DID_STATUS(bsg_reply->result, DID_ERROR); 1333 goto done; 1334 } 1335 1336 switch (vnd_sc) { 1337 case QL_VND_SC_SA_UPDATE: 1338 done = false; 1339 rval = qla24xx_sadb_update(bsg_job); 1340 break; 1341 case QL_VND_SC_APP_START: 1342 rval = qla_edif_app_start(vha, bsg_job); 1343 break; 1344 case QL_VND_SC_APP_STOP: 1345 rval = qla_edif_app_stop(vha, bsg_job); 1346 break; 1347 case QL_VND_SC_AUTH_OK: 1348 rval = qla_edif_app_authok(vha, bsg_job); 1349 break; 1350 case QL_VND_SC_AUTH_FAIL: 1351 rval = qla_edif_app_authfail(vha, bsg_job); 1352 break; 1353 case QL_VND_SC_GET_FCINFO: 1354 rval = qla_edif_app_getfcinfo(vha, bsg_job); 1355 break; 1356 case QL_VND_SC_GET_STATS: 1357 rval = qla_edif_app_getstats(vha, bsg_job); 1358 break; 1359 case QL_VND_SC_AEN_COMPLETE: 1360 rval = qla_edif_ack(vha, bsg_job); 1361 break; 1362 case QL_VND_SC_READ_DBELL: 1363 rval = qla_edif_dbell_bsg(vha, bsg_job); 1364 done = false; 1365 break; 1366 default: 1367 ql_dbg(ql_dbg_edif, vha, 0x911d, "%s unknown cmd=%x\n", 1368 __func__, 1369 bsg_request->rqst_data.h_vendor.vendor_cmd[1]); 1370 rval = EXT_STATUS_INVALID_PARAM; 1371 done = false; 1372 break; 1373 } 1374 1375 done: 1376 if (done) { 1377 ql_dbg(level, vha, 0x7009, 1378 "%s: %d bsg ptr done %p\n", __func__, __LINE__, bsg_job); 1379 bsg_job_done(bsg_job, bsg_reply->result, 1380 bsg_reply->reply_payload_rcv_len); 1381 } 1382 1383 return rval; 1384 } 1385 1386 static struct edif_sa_ctl * qla_edif_add_sa_ctl(fc_port_t * fcport,struct qla_sa_update_frame * sa_frame,int dir)1387 qla_edif_add_sa_ctl(fc_port_t *fcport, struct qla_sa_update_frame *sa_frame, 1388 int dir) 1389 { 1390 struct edif_sa_ctl *sa_ctl; 1391 struct qla_sa_update_frame *sap; 1392 int index = sa_frame->fast_sa_index; 1393 unsigned long flags = 0; 1394 1395 sa_ctl = kzalloc(sizeof(*sa_ctl), GFP_KERNEL); 1396 if (!sa_ctl) { 1397 /* couldn't get space */ 1398 ql_dbg(ql_dbg_edif, fcport->vha, 0x9100, 1399 "unable to allocate SA CTL\n"); 1400 return NULL; 1401 } 1402 1403 /* 1404 * need to allocate sa_index here and save it 1405 * in both sa_ctl->index and sa_frame->fast_sa_index; 1406 * If alloc fails then delete sa_ctl and return NULL 1407 */ 1408 INIT_LIST_HEAD(&sa_ctl->next); 1409 sap = &sa_ctl->sa_frame; 1410 *sap = *sa_frame; 1411 sa_ctl->index = index; 1412 sa_ctl->fcport = fcport; 1413 sa_ctl->flags = 0; 1414 sa_ctl->state = 0L; 1415 ql_dbg(ql_dbg_edif, fcport->vha, 0x9100, 1416 "%s: Added sa_ctl %p, index %d, state 0x%lx\n", 1417 __func__, sa_ctl, sa_ctl->index, sa_ctl->state); 1418 spin_lock_irqsave(&fcport->edif.sa_list_lock, flags); 1419 if (dir == SAU_FLG_TX) 1420 list_add_tail(&sa_ctl->next, &fcport->edif.tx_sa_list); 1421 else 1422 list_add_tail(&sa_ctl->next, &fcport->edif.rx_sa_list); 1423 spin_unlock_irqrestore(&fcport->edif.sa_list_lock, flags); 1424 1425 return sa_ctl; 1426 } 1427 1428 void qla_edif_flush_sa_ctl_lists(fc_port_t * fcport)1429 qla_edif_flush_sa_ctl_lists(fc_port_t *fcport) 1430 { 1431 struct edif_sa_ctl *sa_ctl, *tsa_ctl; 1432 unsigned long flags = 0; 1433 1434 spin_lock_irqsave(&fcport->edif.sa_list_lock, flags); 1435 1436 list_for_each_entry_safe(sa_ctl, tsa_ctl, &fcport->edif.tx_sa_list, 1437 next) { 1438 list_del(&sa_ctl->next); 1439 kfree(sa_ctl); 1440 } 1441 1442 list_for_each_entry_safe(sa_ctl, tsa_ctl, &fcport->edif.rx_sa_list, 1443 next) { 1444 list_del(&sa_ctl->next); 1445 kfree(sa_ctl); 1446 } 1447 1448 spin_unlock_irqrestore(&fcport->edif.sa_list_lock, flags); 1449 } 1450 1451 struct edif_sa_ctl * qla_edif_find_sa_ctl_by_index(fc_port_t * fcport,int index,int dir)1452 qla_edif_find_sa_ctl_by_index(fc_port_t *fcport, int index, int dir) 1453 { 1454 struct edif_sa_ctl *sa_ctl, *tsa_ctl; 1455 struct list_head *sa_list; 1456 1457 if (dir == SAU_FLG_TX) 1458 sa_list = &fcport->edif.tx_sa_list; 1459 else 1460 sa_list = &fcport->edif.rx_sa_list; 1461 1462 list_for_each_entry_safe(sa_ctl, tsa_ctl, sa_list, next) { 1463 if (test_bit(EDIF_SA_CTL_USED, &sa_ctl->state) && 1464 sa_ctl->index == index) 1465 return sa_ctl; 1466 } 1467 return NULL; 1468 } 1469 1470 /* add the sa to the correct list */ 1471 static int qla24xx_check_sadb_avail_slot(struct bsg_job * bsg_job,fc_port_t * fcport,struct qla_sa_update_frame * sa_frame)1472 qla24xx_check_sadb_avail_slot(struct bsg_job *bsg_job, fc_port_t *fcport, 1473 struct qla_sa_update_frame *sa_frame) 1474 { 1475 struct edif_sa_ctl *sa_ctl = NULL; 1476 int dir; 1477 uint16_t sa_index; 1478 1479 dir = (sa_frame->flags & SAU_FLG_TX); 1480 1481 /* map the spi to an sa_index */ 1482 sa_index = qla_edif_sadb_get_sa_index(fcport, sa_frame); 1483 if (sa_index == RX_DELETE_NO_EDIF_SA_INDEX) { 1484 /* process rx delete */ 1485 ql_dbg(ql_dbg_edif, fcport->vha, 0x3063, 1486 "%s: rx delete for lid 0x%x, spi 0x%x, no entry found\n", 1487 __func__, fcport->loop_id, sa_frame->spi); 1488 1489 /* build and send the aen */ 1490 fcport->edif.rx_sa_set = 1; 1491 fcport->edif.rx_sa_pending = 0; 1492 qla_edb_eventcreate(fcport->vha, 1493 VND_CMD_AUTH_STATE_SAUPDATE_COMPL, 1494 QL_VND_SA_STAT_SUCCESS, 1495 QL_VND_RX_SA_KEY, fcport); 1496 1497 /* force a return of good bsg status; */ 1498 return RX_DELETE_NO_EDIF_SA_INDEX; 1499 } else if (sa_index == INVALID_EDIF_SA_INDEX) { 1500 ql_dbg(ql_dbg_edif, fcport->vha, 0x9100, 1501 "%s: Failed to get sa_index for spi 0x%x, dir: %d\n", 1502 __func__, sa_frame->spi, dir); 1503 return INVALID_EDIF_SA_INDEX; 1504 } 1505 1506 ql_dbg(ql_dbg_edif, fcport->vha, 0x9100, 1507 "%s: index %d allocated to spi 0x%x, dir: %d, nport_handle: 0x%x\n", 1508 __func__, sa_index, sa_frame->spi, dir, fcport->loop_id); 1509 1510 /* This is a local copy of sa_frame. */ 1511 sa_frame->fast_sa_index = sa_index; 1512 /* create the sa_ctl */ 1513 sa_ctl = qla_edif_add_sa_ctl(fcport, sa_frame, dir); 1514 if (!sa_ctl) { 1515 ql_dbg(ql_dbg_edif, fcport->vha, 0x9100, 1516 "%s: Failed to add sa_ctl for spi 0x%x, dir: %d, sa_index: %d\n", 1517 __func__, sa_frame->spi, dir, sa_index); 1518 return -1; 1519 } 1520 1521 set_bit(EDIF_SA_CTL_USED, &sa_ctl->state); 1522 1523 if (dir == SAU_FLG_TX) 1524 fcport->edif.tx_rekey_cnt++; 1525 else 1526 fcport->edif.rx_rekey_cnt++; 1527 1528 ql_dbg(ql_dbg_edif, fcport->vha, 0x9100, 1529 "%s: Found sa_ctl %p, index %d, state 0x%lx, tx_cnt %d, rx_cnt %d, nport_handle: 0x%x\n", 1530 __func__, sa_ctl, sa_ctl->index, sa_ctl->state, 1531 fcport->edif.tx_rekey_cnt, 1532 fcport->edif.rx_rekey_cnt, fcport->loop_id); 1533 1534 return 0; 1535 } 1536 1537 #define QLA_SA_UPDATE_FLAGS_RX_KEY 0x0 1538 #define QLA_SA_UPDATE_FLAGS_TX_KEY 0x2 1539 #define EDIF_MSLEEP_INTERVAL 100 1540 #define EDIF_RETRY_COUNT 50 1541 1542 int qla24xx_sadb_update(struct bsg_job * bsg_job)1543 qla24xx_sadb_update(struct bsg_job *bsg_job) 1544 { 1545 struct fc_bsg_reply *bsg_reply = bsg_job->reply; 1546 struct Scsi_Host *host = fc_bsg_to_shost(bsg_job); 1547 scsi_qla_host_t *vha = shost_priv(host); 1548 fc_port_t *fcport = NULL; 1549 srb_t *sp = NULL; 1550 struct edif_list_entry *edif_entry = NULL; 1551 int found = 0; 1552 int rval = 0; 1553 int result = 0, cnt; 1554 struct qla_sa_update_frame sa_frame; 1555 struct srb_iocb *iocb_cmd; 1556 port_id_t portid; 1557 1558 ql_dbg(ql_dbg_edif + ql_dbg_verbose, vha, 0x911d, 1559 "%s entered, vha: 0x%p\n", __func__, vha); 1560 1561 sg_copy_to_buffer(bsg_job->request_payload.sg_list, 1562 bsg_job->request_payload.sg_cnt, &sa_frame, 1563 sizeof(struct qla_sa_update_frame)); 1564 1565 /* Check if host is online */ 1566 if (!vha->flags.online) { 1567 ql_log(ql_log_warn, vha, 0x70a1, "Host is not online\n"); 1568 rval = -EIO; 1569 SET_DID_STATUS(bsg_reply->result, DID_ERROR); 1570 goto done; 1571 } 1572 1573 if (DBELL_INACTIVE(vha)) { 1574 ql_log(ql_log_warn, vha, 0x70a1, "App not started\n"); 1575 rval = -EIO; 1576 SET_DID_STATUS(bsg_reply->result, DID_ERROR); 1577 goto done; 1578 } 1579 1580 /* silent unaligned access warning */ 1581 portid.b.domain = sa_frame.port_id.b.domain; 1582 portid.b.area = sa_frame.port_id.b.area; 1583 portid.b.al_pa = sa_frame.port_id.b.al_pa; 1584 1585 fcport = qla2x00_find_fcport_by_pid(vha, &portid); 1586 if (fcport) { 1587 found = 1; 1588 if (sa_frame.flags == QLA_SA_UPDATE_FLAGS_TX_KEY) 1589 fcport->edif.tx_bytes = 0; 1590 if (sa_frame.flags == QLA_SA_UPDATE_FLAGS_RX_KEY) 1591 fcport->edif.rx_bytes = 0; 1592 } 1593 1594 if (!found) { 1595 ql_dbg(ql_dbg_edif, vha, 0x70a3, "Failed to find port= %06x\n", 1596 sa_frame.port_id.b24); 1597 rval = -EINVAL; 1598 SET_DID_STATUS(bsg_reply->result, DID_NO_CONNECT); 1599 goto done; 1600 } 1601 1602 /* make sure the nport_handle is valid */ 1603 if (fcport->loop_id == FC_NO_LOOP_ID) { 1604 ql_dbg(ql_dbg_edif, vha, 0x70e1, 1605 "%s: %8phN lid=FC_NO_LOOP_ID, spi: 0x%x, DS %d, returning NO_CONNECT\n", 1606 __func__, fcport->port_name, sa_frame.spi, 1607 fcport->disc_state); 1608 rval = -EINVAL; 1609 SET_DID_STATUS(bsg_reply->result, DID_NO_CONNECT); 1610 goto done; 1611 } 1612 1613 /* allocate and queue an sa_ctl */ 1614 result = qla24xx_check_sadb_avail_slot(bsg_job, fcport, &sa_frame); 1615 1616 /* failure of bsg */ 1617 if (result == INVALID_EDIF_SA_INDEX) { 1618 ql_dbg(ql_dbg_edif, vha, 0x70e1, 1619 "%s: %8phN, skipping update.\n", 1620 __func__, fcport->port_name); 1621 rval = -EINVAL; 1622 SET_DID_STATUS(bsg_reply->result, DID_ERROR); 1623 goto done; 1624 1625 /* rx delete failure */ 1626 } else if (result == RX_DELETE_NO_EDIF_SA_INDEX) { 1627 ql_dbg(ql_dbg_edif, vha, 0x70e1, 1628 "%s: %8phN, skipping rx delete.\n", 1629 __func__, fcport->port_name); 1630 SET_DID_STATUS(bsg_reply->result, DID_OK); 1631 goto done; 1632 } 1633 1634 ql_dbg(ql_dbg_edif, vha, 0x70e1, 1635 "%s: %8phN, sa_index in sa_frame: %d flags %xh\n", 1636 __func__, fcport->port_name, sa_frame.fast_sa_index, 1637 sa_frame.flags); 1638 1639 /* looking for rx index and delete */ 1640 if (((sa_frame.flags & SAU_FLG_TX) == 0) && 1641 (sa_frame.flags & SAU_FLG_INV)) { 1642 uint16_t nport_handle = fcport->loop_id; 1643 uint16_t sa_index = sa_frame.fast_sa_index; 1644 1645 /* 1646 * make sure we have an existing rx key, otherwise just process 1647 * this as a straight delete just like TX 1648 * This is NOT a normal case, it indicates an error recovery or key cleanup 1649 * by the ipsec code above us. 1650 */ 1651 edif_entry = qla_edif_list_find_sa_index(fcport, fcport->loop_id); 1652 if (!edif_entry) { 1653 ql_dbg(ql_dbg_edif, vha, 0x911d, 1654 "%s: WARNING: no active sa_index for nport_handle 0x%x, forcing delete for sa_index 0x%x\n", 1655 __func__, fcport->loop_id, sa_index); 1656 goto force_rx_delete; 1657 } 1658 1659 /* 1660 * if we have a forced delete for rx, remove the sa_index from the edif list 1661 * and proceed with normal delete. The rx delay timer should not be running 1662 */ 1663 if ((sa_frame.flags & SAU_FLG_FORCE_DELETE) == SAU_FLG_FORCE_DELETE) { 1664 qla_edif_list_delete_sa_index(fcport, edif_entry); 1665 ql_dbg(ql_dbg_edif, vha, 0x911d, 1666 "%s: FORCE DELETE flag found for nport_handle 0x%x, sa_index 0x%x, forcing DELETE\n", 1667 __func__, fcport->loop_id, sa_index); 1668 kfree(edif_entry); 1669 goto force_rx_delete; 1670 } 1671 1672 /* 1673 * delayed rx delete 1674 * 1675 * if delete_sa_index is not invalid then there is already 1676 * a delayed index in progress, return bsg bad status 1677 */ 1678 if (edif_entry->delete_sa_index != INVALID_EDIF_SA_INDEX) { 1679 struct edif_sa_ctl *sa_ctl; 1680 1681 ql_dbg(ql_dbg_edif, vha, 0x911d, 1682 "%s: delete for lid 0x%x, delete_sa_index %d is pending\n", 1683 __func__, edif_entry->handle, edif_entry->delete_sa_index); 1684 1685 /* free up the sa_ctl that was allocated with the sa_index */ 1686 sa_ctl = qla_edif_find_sa_ctl_by_index(fcport, sa_index, 1687 (sa_frame.flags & SAU_FLG_TX)); 1688 if (sa_ctl) { 1689 ql_dbg(ql_dbg_edif, vha, 0x3063, 1690 "%s: freeing sa_ctl for index %d\n", 1691 __func__, sa_ctl->index); 1692 qla_edif_free_sa_ctl(fcport, sa_ctl, sa_ctl->index); 1693 } 1694 1695 /* release the sa_index */ 1696 ql_dbg(ql_dbg_edif, vha, 0x3063, 1697 "%s: freeing sa_index %d, nph: 0x%x\n", 1698 __func__, sa_index, nport_handle); 1699 qla_edif_sadb_delete_sa_index(fcport, nport_handle, sa_index); 1700 1701 rval = -EINVAL; 1702 SET_DID_STATUS(bsg_reply->result, DID_ERROR); 1703 goto done; 1704 } 1705 1706 fcport->edif.rekey_cnt++; 1707 1708 /* configure and start the rx delay timer */ 1709 edif_entry->fcport = fcport; 1710 edif_entry->timer.expires = jiffies + RX_DELAY_DELETE_TIMEOUT * HZ; 1711 1712 ql_dbg(ql_dbg_edif, vha, 0x911d, 1713 "%s: adding timer, entry: %p, delete sa_index %d, lid 0x%x to edif_list\n", 1714 __func__, edif_entry, sa_index, nport_handle); 1715 1716 /* 1717 * Start the timer when we queue the delayed rx delete. 1718 * This is an activity timer that goes off if we have not 1719 * received packets with the new sa_index 1720 */ 1721 add_timer(&edif_entry->timer); 1722 1723 /* 1724 * sa_delete for rx key with an active rx key including this one 1725 * add the delete rx sa index to the hash so we can look for it 1726 * in the rsp queue. Do this after making any changes to the 1727 * edif_entry as part of the rx delete. 1728 */ 1729 1730 ql_dbg(ql_dbg_edif, vha, 0x911d, 1731 "%s: delete sa_index %d, lid 0x%x to edif_list. bsg done ptr %p\n", 1732 __func__, sa_index, nport_handle, bsg_job); 1733 1734 edif_entry->delete_sa_index = sa_index; 1735 1736 bsg_job->reply_len = sizeof(struct fc_bsg_reply); 1737 bsg_reply->result = DID_OK << 16; 1738 1739 goto done; 1740 1741 /* 1742 * rx index and update 1743 * add the index to the list and continue with normal update 1744 */ 1745 } else if (((sa_frame.flags & SAU_FLG_TX) == 0) && 1746 ((sa_frame.flags & SAU_FLG_INV) == 0)) { 1747 /* sa_update for rx key */ 1748 uint32_t nport_handle = fcport->loop_id; 1749 uint16_t sa_index = sa_frame.fast_sa_index; 1750 int result; 1751 1752 /* 1753 * add the update rx sa index to the hash so we can look for it 1754 * in the rsp queue and continue normally 1755 */ 1756 1757 ql_dbg(ql_dbg_edif, vha, 0x911d, 1758 "%s: adding update sa_index %d, lid 0x%x to edif_list\n", 1759 __func__, sa_index, nport_handle); 1760 1761 result = qla_edif_list_add_sa_update_index(fcport, sa_index, 1762 nport_handle); 1763 if (result) { 1764 ql_dbg(ql_dbg_edif, vha, 0x911d, 1765 "%s: SA_UPDATE failed to add new sa index %d to list for lid 0x%x\n", 1766 __func__, sa_index, nport_handle); 1767 } 1768 } 1769 if (sa_frame.flags & SAU_FLG_GMAC_MODE) 1770 fcport->edif.aes_gmac = 1; 1771 else 1772 fcport->edif.aes_gmac = 0; 1773 1774 force_rx_delete: 1775 /* 1776 * sa_update for both rx and tx keys, sa_delete for tx key 1777 * immediately process the request 1778 */ 1779 sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL); 1780 if (!sp) { 1781 rval = -ENOMEM; 1782 SET_DID_STATUS(bsg_reply->result, DID_IMM_RETRY); 1783 goto done; 1784 } 1785 1786 sp->type = SRB_SA_UPDATE; 1787 sp->name = "bsg_sa_update"; 1788 sp->u.bsg_job = bsg_job; 1789 /* sp->free = qla2x00_bsg_sp_free; */ 1790 sp->free = qla2x00_rel_sp; 1791 sp->done = qla2x00_bsg_job_done; 1792 iocb_cmd = &sp->u.iocb_cmd; 1793 iocb_cmd->u.sa_update.sa_frame = sa_frame; 1794 cnt = 0; 1795 retry: 1796 rval = qla2x00_start_sp(sp); 1797 switch (rval) { 1798 case QLA_SUCCESS: 1799 break; 1800 case EAGAIN: 1801 msleep(EDIF_MSLEEP_INTERVAL); 1802 cnt++; 1803 if (cnt < EDIF_RETRY_COUNT) 1804 goto retry; 1805 1806 fallthrough; 1807 default: 1808 ql_log(ql_dbg_edif, vha, 0x70e3, 1809 "%s qla2x00_start_sp failed=%d.\n", 1810 __func__, rval); 1811 1812 qla2x00_rel_sp(sp); 1813 rval = -EIO; 1814 SET_DID_STATUS(bsg_reply->result, DID_IMM_RETRY); 1815 goto done; 1816 } 1817 1818 ql_dbg(ql_dbg_edif, vha, 0x911d, 1819 "%s: %s sent, hdl=%x, portid=%06x.\n", 1820 __func__, sp->name, sp->handle, fcport->d_id.b24); 1821 1822 fcport->edif.rekey_cnt++; 1823 bsg_job->reply_len = sizeof(struct fc_bsg_reply); 1824 SET_DID_STATUS(bsg_reply->result, DID_OK); 1825 1826 return 0; 1827 1828 /* 1829 * send back error status 1830 */ 1831 done: 1832 bsg_job->reply_len = sizeof(struct fc_bsg_reply); 1833 ql_dbg(ql_dbg_edif, vha, 0x911d, 1834 "%s:status: FAIL, result: 0x%x, bsg ptr done %p\n", 1835 __func__, bsg_reply->result, bsg_job); 1836 bsg_job_done(bsg_job, bsg_reply->result, 1837 bsg_reply->reply_payload_rcv_len); 1838 1839 return 0; 1840 } 1841 1842 static void qla_enode_free(scsi_qla_host_t * vha,struct enode * node)1843 qla_enode_free(scsi_qla_host_t *vha, struct enode *node) 1844 { 1845 node->ntype = N_UNDEF; 1846 kfree(node); 1847 } 1848 1849 /** 1850 * qla_enode_init - initialize enode structs & lock 1851 * @vha: host adapter pointer 1852 * 1853 * should only be called when driver attaching 1854 */ 1855 void qla_enode_init(scsi_qla_host_t * vha)1856 qla_enode_init(scsi_qla_host_t *vha) 1857 { 1858 struct qla_hw_data *ha = vha->hw; 1859 char name[32]; 1860 1861 if (vha->pur_cinfo.enode_flags == ENODE_ACTIVE) { 1862 /* list still active - error */ 1863 ql_dbg(ql_dbg_edif, vha, 0x09102, "%s enode still active\n", 1864 __func__); 1865 return; 1866 } 1867 1868 /* initialize lock which protects pur_core & init list */ 1869 spin_lock_init(&vha->pur_cinfo.pur_lock); 1870 INIT_LIST_HEAD(&vha->pur_cinfo.head); 1871 1872 snprintf(name, sizeof(name), "%s_%d_purex", QLA2XXX_DRIVER_NAME, 1873 ha->pdev->device); 1874 } 1875 1876 /** 1877 * qla_enode_stop - stop and clear and enode data 1878 * @vha: host adapter pointer 1879 * 1880 * called when app notified it is exiting 1881 */ 1882 void qla_enode_stop(scsi_qla_host_t * vha)1883 qla_enode_stop(scsi_qla_host_t *vha) 1884 { 1885 unsigned long flags; 1886 struct enode *node, *q; 1887 1888 if (vha->pur_cinfo.enode_flags != ENODE_ACTIVE) { 1889 /* doorbell list not enabled */ 1890 ql_dbg(ql_dbg_edif, vha, 0x09102, 1891 "%s enode not active\n", __func__); 1892 return; 1893 } 1894 1895 /* grab lock so list doesn't move */ 1896 spin_lock_irqsave(&vha->pur_cinfo.pur_lock, flags); 1897 1898 vha->pur_cinfo.enode_flags &= ~ENODE_ACTIVE; /* mark it not active */ 1899 1900 /* hopefully this is a null list at this point */ 1901 list_for_each_entry_safe(node, q, &vha->pur_cinfo.head, list) { 1902 ql_dbg(ql_dbg_edif, vha, 0x910f, 1903 "%s freeing enode type=%x, cnt=%x\n", __func__, node->ntype, 1904 node->dinfo.nodecnt); 1905 list_del_init(&node->list); 1906 qla_enode_free(vha, node); 1907 } 1908 spin_unlock_irqrestore(&vha->pur_cinfo.pur_lock, flags); 1909 } 1910 qla_enode_clear(scsi_qla_host_t * vha,port_id_t portid)1911 static void qla_enode_clear(scsi_qla_host_t *vha, port_id_t portid) 1912 { 1913 unsigned long flags; 1914 struct enode *e, *tmp; 1915 struct purexevent *purex; 1916 LIST_HEAD(enode_list); 1917 1918 if (vha->pur_cinfo.enode_flags != ENODE_ACTIVE) { 1919 ql_dbg(ql_dbg_edif, vha, 0x09102, 1920 "%s enode not active\n", __func__); 1921 return; 1922 } 1923 spin_lock_irqsave(&vha->pur_cinfo.pur_lock, flags); 1924 list_for_each_entry_safe(e, tmp, &vha->pur_cinfo.head, list) { 1925 purex = &e->u.purexinfo; 1926 if (purex->pur_info.pur_sid.b24 == portid.b24) { 1927 ql_dbg(ql_dbg_edif, vha, 0x911d, 1928 "%s free ELS sid=%06x. xchg %x, nb=%xh\n", 1929 __func__, portid.b24, 1930 purex->pur_info.pur_rx_xchg_address, 1931 purex->pur_info.pur_bytes_rcvd); 1932 1933 list_del_init(&e->list); 1934 list_add_tail(&e->list, &enode_list); 1935 } 1936 } 1937 spin_unlock_irqrestore(&vha->pur_cinfo.pur_lock, flags); 1938 1939 list_for_each_entry_safe(e, tmp, &enode_list, list) { 1940 list_del_init(&e->list); 1941 qla_enode_free(vha, e); 1942 } 1943 } 1944 1945 /* 1946 * allocate enode struct and populate buffer 1947 * returns: enode pointer with buffers 1948 * NULL on error 1949 */ 1950 static struct enode * qla_enode_alloc(scsi_qla_host_t * vha,uint32_t ntype)1951 qla_enode_alloc(scsi_qla_host_t *vha, uint32_t ntype) 1952 { 1953 struct enode *node; 1954 struct purexevent *purex; 1955 1956 node = kzalloc(RX_ELS_SIZE, GFP_ATOMIC); 1957 if (!node) 1958 return NULL; 1959 1960 purex = &node->u.purexinfo; 1961 purex->msgp = (u8 *)(node + 1); 1962 purex->msgp_len = ELS_MAX_PAYLOAD; 1963 1964 node->ntype = ntype; 1965 INIT_LIST_HEAD(&node->list); 1966 return node; 1967 } 1968 1969 static void qla_enode_add(scsi_qla_host_t * vha,struct enode * ptr)1970 qla_enode_add(scsi_qla_host_t *vha, struct enode *ptr) 1971 { 1972 unsigned long flags; 1973 1974 ql_dbg(ql_dbg_edif + ql_dbg_verbose, vha, 0x9109, 1975 "%s add enode for type=%x, cnt=%x\n", 1976 __func__, ptr->ntype, ptr->dinfo.nodecnt); 1977 1978 spin_lock_irqsave(&vha->pur_cinfo.pur_lock, flags); 1979 list_add_tail(&ptr->list, &vha->pur_cinfo.head); 1980 spin_unlock_irqrestore(&vha->pur_cinfo.pur_lock, flags); 1981 1982 return; 1983 } 1984 1985 static struct enode * qla_enode_find(scsi_qla_host_t * vha,uint32_t ntype,uint32_t p1,uint32_t p2)1986 qla_enode_find(scsi_qla_host_t *vha, uint32_t ntype, uint32_t p1, uint32_t p2) 1987 { 1988 struct enode *node_rtn = NULL; 1989 struct enode *list_node, *q; 1990 unsigned long flags; 1991 uint32_t sid; 1992 struct purexevent *purex; 1993 1994 /* secure the list from moving under us */ 1995 spin_lock_irqsave(&vha->pur_cinfo.pur_lock, flags); 1996 1997 list_for_each_entry_safe(list_node, q, &vha->pur_cinfo.head, list) { 1998 1999 /* node type determines what p1 and p2 are */ 2000 purex = &list_node->u.purexinfo; 2001 sid = p1; 2002 2003 if (purex->pur_info.pur_sid.b24 == sid) { 2004 /* found it and its complete */ 2005 node_rtn = list_node; 2006 list_del(&list_node->list); 2007 break; 2008 } 2009 } 2010 2011 spin_unlock_irqrestore(&vha->pur_cinfo.pur_lock, flags); 2012 2013 return node_rtn; 2014 } 2015 2016 /** 2017 * qla_pur_get_pending - read/return authentication message sent 2018 * from remote port 2019 * @vha: host adapter pointer 2020 * @fcport: session pointer 2021 * @bsg_job: user request where the message is copy to. 2022 */ 2023 static int qla_pur_get_pending(scsi_qla_host_t * vha,fc_port_t * fcport,struct bsg_job * bsg_job)2024 qla_pur_get_pending(scsi_qla_host_t *vha, fc_port_t *fcport, 2025 struct bsg_job *bsg_job) 2026 { 2027 struct enode *ptr; 2028 struct purexevent *purex; 2029 struct qla_bsg_auth_els_reply *rpl = 2030 (struct qla_bsg_auth_els_reply *)bsg_job->reply; 2031 2032 bsg_job->reply_len = sizeof(*rpl); 2033 2034 ptr = qla_enode_find(vha, N_PUREX, fcport->d_id.b24, PUR_GET); 2035 if (!ptr) { 2036 ql_dbg(ql_dbg_edif, vha, 0x9111, 2037 "%s no enode data found for %8phN sid=%06x\n", 2038 __func__, fcport->port_name, fcport->d_id.b24); 2039 SET_DID_STATUS(rpl->r.result, DID_IMM_RETRY); 2040 return -EIO; 2041 } 2042 2043 /* 2044 * enode is now off the linked list and is ours to deal with 2045 */ 2046 purex = &ptr->u.purexinfo; 2047 2048 /* Copy info back to caller */ 2049 rpl->rx_xchg_address = purex->pur_info.pur_rx_xchg_address; 2050 2051 SET_DID_STATUS(rpl->r.result, DID_OK); 2052 rpl->r.reply_payload_rcv_len = 2053 sg_pcopy_from_buffer(bsg_job->reply_payload.sg_list, 2054 bsg_job->reply_payload.sg_cnt, purex->msgp, 2055 purex->pur_info.pur_bytes_rcvd, 0); 2056 2057 /* data copy / passback completed - destroy enode */ 2058 qla_enode_free(vha, ptr); 2059 2060 return 0; 2061 } 2062 2063 /* it is assume qpair lock is held */ 2064 static int qla_els_reject_iocb(scsi_qla_host_t * vha,struct qla_qpair * qp,struct qla_els_pt_arg * a)2065 qla_els_reject_iocb(scsi_qla_host_t *vha, struct qla_qpair *qp, 2066 struct qla_els_pt_arg *a) 2067 { 2068 struct els_entry_24xx *els_iocb; 2069 2070 els_iocb = __qla2x00_alloc_iocbs(qp, NULL); 2071 if (!els_iocb) { 2072 ql_log(ql_log_warn, vha, 0x700c, 2073 "qla2x00_alloc_iocbs failed.\n"); 2074 return QLA_FUNCTION_FAILED; 2075 } 2076 2077 qla_els_pt_iocb(vha, els_iocb, a); 2078 2079 ql_dbg(ql_dbg_edif, vha, 0x0183, 2080 "Sending ELS reject ox_id %04x s:%06x -> d:%06x\n", 2081 a->ox_id, a->sid.b24, a->did.b24); 2082 ql_dump_buffer(ql_dbg_edif + ql_dbg_verbose, vha, 0x0185, 2083 vha->hw->elsrej.c, sizeof(*vha->hw->elsrej.c)); 2084 /* flush iocb to mem before notifying hw doorbell */ 2085 wmb(); 2086 qla2x00_start_iocbs(vha, qp->req); 2087 return 0; 2088 } 2089 2090 void qla_edb_init(scsi_qla_host_t * vha)2091 qla_edb_init(scsi_qla_host_t *vha) 2092 { 2093 if (DBELL_ACTIVE(vha)) { 2094 /* list already init'd - error */ 2095 ql_dbg(ql_dbg_edif, vha, 0x09102, 2096 "edif db already initialized, cannot reinit\n"); 2097 return; 2098 } 2099 2100 /* initialize lock which protects doorbell & init list */ 2101 spin_lock_init(&vha->e_dbell.db_lock); 2102 INIT_LIST_HEAD(&vha->e_dbell.head); 2103 } 2104 qla_edb_clear(scsi_qla_host_t * vha,port_id_t portid)2105 static void qla_edb_clear(scsi_qla_host_t *vha, port_id_t portid) 2106 { 2107 unsigned long flags; 2108 struct edb_node *e, *tmp; 2109 port_id_t sid; 2110 LIST_HEAD(edb_list); 2111 2112 if (DBELL_INACTIVE(vha)) { 2113 /* doorbell list not enabled */ 2114 ql_dbg(ql_dbg_edif, vha, 0x09102, 2115 "%s doorbell not enabled\n", __func__); 2116 return; 2117 } 2118 2119 /* grab lock so list doesn't move */ 2120 spin_lock_irqsave(&vha->e_dbell.db_lock, flags); 2121 list_for_each_entry_safe(e, tmp, &vha->e_dbell.head, list) { 2122 switch (e->ntype) { 2123 case VND_CMD_AUTH_STATE_NEEDED: 2124 case VND_CMD_AUTH_STATE_SESSION_SHUTDOWN: 2125 sid = e->u.plogi_did; 2126 break; 2127 case VND_CMD_AUTH_STATE_ELS_RCVD: 2128 sid = e->u.els_sid; 2129 break; 2130 case VND_CMD_AUTH_STATE_SAUPDATE_COMPL: 2131 /* app wants to see this */ 2132 continue; 2133 default: 2134 ql_log(ql_log_warn, vha, 0x09102, 2135 "%s unknown node type: %x\n", __func__, e->ntype); 2136 sid.b24 = 0; 2137 break; 2138 } 2139 if (sid.b24 == portid.b24) { 2140 ql_dbg(ql_dbg_edif, vha, 0x910f, 2141 "%s free doorbell event : node type = %x %p\n", 2142 __func__, e->ntype, e); 2143 list_del_init(&e->list); 2144 list_add_tail(&e->list, &edb_list); 2145 } 2146 } 2147 spin_unlock_irqrestore(&vha->e_dbell.db_lock, flags); 2148 2149 list_for_each_entry_safe(e, tmp, &edb_list, list) 2150 qla_edb_node_free(vha, e); 2151 } 2152 2153 /* function called when app is stopping */ 2154 2155 void qla_edb_stop(scsi_qla_host_t * vha)2156 qla_edb_stop(scsi_qla_host_t *vha) 2157 { 2158 unsigned long flags; 2159 struct edb_node *node, *q; 2160 2161 if (DBELL_INACTIVE(vha)) { 2162 /* doorbell list not enabled */ 2163 ql_dbg(ql_dbg_edif, vha, 0x09102, 2164 "%s doorbell not enabled\n", __func__); 2165 return; 2166 } 2167 2168 /* grab lock so list doesn't move */ 2169 spin_lock_irqsave(&vha->e_dbell.db_lock, flags); 2170 2171 vha->e_dbell.db_flags &= ~EDB_ACTIVE; /* mark it not active */ 2172 /* hopefully this is a null list at this point */ 2173 list_for_each_entry_safe(node, q, &vha->e_dbell.head, list) { 2174 ql_dbg(ql_dbg_edif, vha, 0x910f, 2175 "%s freeing edb_node type=%x\n", 2176 __func__, node->ntype); 2177 qla_edb_node_free(vha, node); 2178 } 2179 spin_unlock_irqrestore(&vha->e_dbell.db_lock, flags); 2180 2181 qla_edif_dbell_bsg_done(vha); 2182 } 2183 2184 static struct edb_node * qla_edb_node_alloc(scsi_qla_host_t * vha,uint32_t ntype)2185 qla_edb_node_alloc(scsi_qla_host_t *vha, uint32_t ntype) 2186 { 2187 struct edb_node *node; 2188 2189 node = kzalloc(sizeof(*node), GFP_ATOMIC); 2190 if (!node) { 2191 /* couldn't get space */ 2192 ql_dbg(ql_dbg_edif, vha, 0x9100, 2193 "edb node unable to be allocated\n"); 2194 return NULL; 2195 } 2196 2197 node->ntype = ntype; 2198 INIT_LIST_HEAD(&node->list); 2199 return node; 2200 } 2201 2202 /* adds a already allocated enode to the linked list */ 2203 static bool qla_edb_node_add(scsi_qla_host_t * vha,struct edb_node * ptr)2204 qla_edb_node_add(scsi_qla_host_t *vha, struct edb_node *ptr) 2205 { 2206 unsigned long flags; 2207 2208 if (DBELL_INACTIVE(vha)) { 2209 /* doorbell list not enabled */ 2210 ql_dbg(ql_dbg_edif, vha, 0x09102, 2211 "%s doorbell not enabled\n", __func__); 2212 return false; 2213 } 2214 2215 spin_lock_irqsave(&vha->e_dbell.db_lock, flags); 2216 list_add_tail(&ptr->list, &vha->e_dbell.head); 2217 spin_unlock_irqrestore(&vha->e_dbell.db_lock, flags); 2218 2219 return true; 2220 } 2221 2222 /* adds event to doorbell list */ 2223 void qla_edb_eventcreate(scsi_qla_host_t * vha,uint32_t dbtype,uint32_t data,uint32_t data2,fc_port_t * sfcport)2224 qla_edb_eventcreate(scsi_qla_host_t *vha, uint32_t dbtype, 2225 uint32_t data, uint32_t data2, fc_port_t *sfcport) 2226 { 2227 struct edb_node *edbnode; 2228 fc_port_t *fcport = sfcport; 2229 port_id_t id; 2230 2231 if (!vha->hw->flags.edif_enabled) { 2232 /* edif not enabled */ 2233 return; 2234 } 2235 2236 if (DBELL_INACTIVE(vha)) { 2237 if (fcport) 2238 fcport->edif.auth_state = dbtype; 2239 /* doorbell list not enabled */ 2240 ql_dbg(ql_dbg_edif, vha, 0x09102, 2241 "%s doorbell not enabled (type=%d\n", __func__, dbtype); 2242 return; 2243 } 2244 2245 edbnode = qla_edb_node_alloc(vha, dbtype); 2246 if (!edbnode) { 2247 ql_dbg(ql_dbg_edif, vha, 0x09102, 2248 "%s unable to alloc db node\n", __func__); 2249 return; 2250 } 2251 2252 if (!fcport) { 2253 id.b.domain = (data >> 16) & 0xff; 2254 id.b.area = (data >> 8) & 0xff; 2255 id.b.al_pa = data & 0xff; 2256 ql_dbg(ql_dbg_edif, vha, 0x09222, 2257 "%s: Arrived s_id: %06x\n", __func__, 2258 id.b24); 2259 fcport = qla2x00_find_fcport_by_pid(vha, &id); 2260 if (!fcport) { 2261 ql_dbg(ql_dbg_edif, vha, 0x09102, 2262 "%s can't find fcport for sid= 0x%x - ignoring\n", 2263 __func__, id.b24); 2264 kfree(edbnode); 2265 return; 2266 } 2267 } 2268 2269 /* populate the edb node */ 2270 switch (dbtype) { 2271 case VND_CMD_AUTH_STATE_NEEDED: 2272 case VND_CMD_AUTH_STATE_SESSION_SHUTDOWN: 2273 edbnode->u.plogi_did.b24 = fcport->d_id.b24; 2274 break; 2275 case VND_CMD_AUTH_STATE_ELS_RCVD: 2276 edbnode->u.els_sid.b24 = fcport->d_id.b24; 2277 break; 2278 case VND_CMD_AUTH_STATE_SAUPDATE_COMPL: 2279 edbnode->u.sa_aen.port_id = fcport->d_id; 2280 edbnode->u.sa_aen.status = data; 2281 edbnode->u.sa_aen.key_type = data2; 2282 edbnode->u.sa_aen.version = EDIF_VERSION1; 2283 break; 2284 default: 2285 ql_dbg(ql_dbg_edif, vha, 0x09102, 2286 "%s unknown type: %x\n", __func__, dbtype); 2287 kfree(edbnode); 2288 edbnode = NULL; 2289 break; 2290 } 2291 2292 if (edbnode) { 2293 if (!qla_edb_node_add(vha, edbnode)) { 2294 ql_dbg(ql_dbg_edif, vha, 0x09102, 2295 "%s unable to add dbnode\n", __func__); 2296 kfree(edbnode); 2297 return; 2298 } 2299 ql_dbg(ql_dbg_edif, vha, 0x09102, 2300 "%s Doorbell produced : type=%d %p\n", __func__, dbtype, edbnode); 2301 qla_edif_dbell_bsg_done(vha); 2302 if (fcport) 2303 fcport->edif.auth_state = dbtype; 2304 } 2305 } 2306 2307 void qla_edif_timer(scsi_qla_host_t * vha)2308 qla_edif_timer(scsi_qla_host_t *vha) 2309 { 2310 struct qla_hw_data *ha = vha->hw; 2311 2312 if (!vha->vp_idx && N2N_TOPO(ha) && ha->flags.n2n_fw_acc_sec) { 2313 if (DBELL_INACTIVE(vha) && 2314 ha->edif_post_stop_cnt_down) { 2315 ha->edif_post_stop_cnt_down--; 2316 2317 /* 2318 * turn off auto 'Plogi Acc + secure=1' feature 2319 * Set Add FW option[3] 2320 * BIT_15, if. 2321 */ 2322 if (ha->edif_post_stop_cnt_down == 0) { 2323 ql_dbg(ql_dbg_async, vha, 0x911d, 2324 "%s chip reset to turn off PLOGI ACC + secure\n", 2325 __func__); 2326 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 2327 } 2328 } else { 2329 ha->edif_post_stop_cnt_down = 60; 2330 } 2331 } 2332 2333 if (vha->e_dbell.dbell_bsg_job && time_after_eq(jiffies, vha->e_dbell.bsg_expire)) 2334 qla_edif_dbell_bsg_done(vha); 2335 } 2336 qla_noop_sp_done(srb_t * sp,int res)2337 static void qla_noop_sp_done(srb_t *sp, int res) 2338 { 2339 sp->fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE); 2340 /* ref: INIT */ 2341 kref_put(&sp->cmd_kref, qla2x00_sp_release); 2342 } 2343 2344 /* 2345 * Called from work queue 2346 * build and send the sa_update iocb to delete an rx sa_index 2347 */ 2348 int qla24xx_issue_sa_replace_iocb(scsi_qla_host_t * vha,struct qla_work_evt * e)2349 qla24xx_issue_sa_replace_iocb(scsi_qla_host_t *vha, struct qla_work_evt *e) 2350 { 2351 srb_t *sp; 2352 fc_port_t *fcport = NULL; 2353 struct srb_iocb *iocb_cmd = NULL; 2354 int rval = QLA_SUCCESS; 2355 struct edif_sa_ctl *sa_ctl = e->u.sa_update.sa_ctl; 2356 uint16_t nport_handle = e->u.sa_update.nport_handle; 2357 2358 ql_dbg(ql_dbg_edif, vha, 0x70e6, 2359 "%s: starting, sa_ctl: %p\n", __func__, sa_ctl); 2360 2361 if (!sa_ctl) { 2362 ql_dbg(ql_dbg_edif, vha, 0x70e6, 2363 "sa_ctl allocation failed\n"); 2364 rval = -ENOMEM; 2365 return rval; 2366 } 2367 2368 fcport = sa_ctl->fcport; 2369 2370 /* Alloc SRB structure */ 2371 sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL); 2372 if (!sp) { 2373 ql_dbg(ql_dbg_edif, vha, 0x70e6, 2374 "SRB allocation failed\n"); 2375 rval = -ENOMEM; 2376 goto done; 2377 } 2378 2379 fcport->flags |= FCF_ASYNC_SENT; 2380 iocb_cmd = &sp->u.iocb_cmd; 2381 iocb_cmd->u.sa_update.sa_ctl = sa_ctl; 2382 2383 ql_dbg(ql_dbg_edif, vha, 0x3073, 2384 "Enter: SA REPL portid=%06x, sa_ctl %p, index %x, nport_handle: 0x%x\n", 2385 fcport->d_id.b24, sa_ctl, sa_ctl->index, nport_handle); 2386 /* 2387 * if this is a sadb cleanup delete, mark it so the isr can 2388 * take the correct action 2389 */ 2390 if (sa_ctl->flags & EDIF_SA_CTL_FLG_CLEANUP_DEL) { 2391 /* mark this srb as a cleanup delete */ 2392 sp->flags |= SRB_EDIF_CLEANUP_DELETE; 2393 ql_dbg(ql_dbg_edif, vha, 0x70e6, 2394 "%s: sp 0x%p flagged as cleanup delete\n", __func__, sp); 2395 } 2396 2397 sp->type = SRB_SA_REPLACE; 2398 sp->name = "SA_REPLACE"; 2399 sp->fcport = fcport; 2400 sp->free = qla2x00_rel_sp; 2401 sp->done = qla_noop_sp_done; 2402 2403 rval = qla2x00_start_sp(sp); 2404 2405 if (rval != QLA_SUCCESS) { 2406 goto done_free_sp; 2407 } 2408 2409 return rval; 2410 done_free_sp: 2411 kref_put(&sp->cmd_kref, qla2x00_sp_release); 2412 fcport->flags &= ~FCF_ASYNC_SENT; 2413 done: 2414 fcport->flags &= ~FCF_ASYNC_ACTIVE; 2415 return rval; 2416 } 2417 qla24xx_sa_update_iocb(srb_t * sp,struct sa_update_28xx * sa_update_iocb)2418 void qla24xx_sa_update_iocb(srb_t *sp, struct sa_update_28xx *sa_update_iocb) 2419 { 2420 int itr = 0; 2421 struct scsi_qla_host *vha = sp->vha; 2422 struct qla_sa_update_frame *sa_frame = 2423 &sp->u.iocb_cmd.u.sa_update.sa_frame; 2424 u8 flags = 0; 2425 2426 switch (sa_frame->flags & (SAU_FLG_INV | SAU_FLG_TX)) { 2427 case 0: 2428 ql_dbg(ql_dbg_edif, vha, 0x911d, 2429 "%s: EDIF SA UPDATE RX IOCB vha: 0x%p index: %d\n", 2430 __func__, vha, sa_frame->fast_sa_index); 2431 break; 2432 case 1: 2433 ql_dbg(ql_dbg_edif, vha, 0x911d, 2434 "%s: EDIF SA DELETE RX IOCB vha: 0x%p index: %d\n", 2435 __func__, vha, sa_frame->fast_sa_index); 2436 flags |= SA_FLAG_INVALIDATE; 2437 break; 2438 case 2: 2439 ql_dbg(ql_dbg_edif, vha, 0x911d, 2440 "%s: EDIF SA UPDATE TX IOCB vha: 0x%p index: %d\n", 2441 __func__, vha, sa_frame->fast_sa_index); 2442 flags |= SA_FLAG_TX; 2443 break; 2444 case 3: 2445 ql_dbg(ql_dbg_edif, vha, 0x911d, 2446 "%s: EDIF SA DELETE TX IOCB vha: 0x%p index: %d\n", 2447 __func__, vha, sa_frame->fast_sa_index); 2448 flags |= SA_FLAG_TX | SA_FLAG_INVALIDATE; 2449 break; 2450 } 2451 2452 sa_update_iocb->entry_type = SA_UPDATE_IOCB_TYPE; 2453 sa_update_iocb->entry_count = 1; 2454 sa_update_iocb->sys_define = 0; 2455 sa_update_iocb->entry_status = 0; 2456 sa_update_iocb->handle = sp->handle; 2457 sa_update_iocb->u.nport_handle = cpu_to_le16(sp->fcport->loop_id); 2458 sa_update_iocb->vp_index = sp->fcport->vha->vp_idx; 2459 sa_update_iocb->port_id[0] = sp->fcport->d_id.b.al_pa; 2460 sa_update_iocb->port_id[1] = sp->fcport->d_id.b.area; 2461 sa_update_iocb->port_id[2] = sp->fcport->d_id.b.domain; 2462 2463 sa_update_iocb->flags = flags; 2464 sa_update_iocb->salt = cpu_to_le32(sa_frame->salt); 2465 sa_update_iocb->spi = cpu_to_le32(sa_frame->spi); 2466 sa_update_iocb->sa_index = cpu_to_le16(sa_frame->fast_sa_index); 2467 2468 sa_update_iocb->sa_control |= SA_CNTL_ENC_FCSP; 2469 if (sp->fcport->edif.aes_gmac) 2470 sa_update_iocb->sa_control |= SA_CNTL_AES_GMAC; 2471 2472 if (sa_frame->flags & SAU_FLG_KEY256) { 2473 sa_update_iocb->sa_control |= SA_CNTL_KEY256; 2474 for (itr = 0; itr < 32; itr++) 2475 sa_update_iocb->sa_key[itr] = sa_frame->sa_key[itr]; 2476 } else { 2477 sa_update_iocb->sa_control |= SA_CNTL_KEY128; 2478 for (itr = 0; itr < 16; itr++) 2479 sa_update_iocb->sa_key[itr] = sa_frame->sa_key[itr]; 2480 } 2481 2482 ql_dbg(ql_dbg_edif, vha, 0x921d, 2483 "%s SAU Port ID = %02x%02x%02x, flags=%xh, index=%u, ctl=%xh, SPI 0x%x flags 0x%x hdl=%x gmac %d\n", 2484 __func__, sa_update_iocb->port_id[2], sa_update_iocb->port_id[1], 2485 sa_update_iocb->port_id[0], sa_update_iocb->flags, sa_update_iocb->sa_index, 2486 sa_update_iocb->sa_control, sa_update_iocb->spi, sa_frame->flags, sp->handle, 2487 sp->fcport->edif.aes_gmac); 2488 2489 if (sa_frame->flags & SAU_FLG_TX) 2490 sp->fcport->edif.tx_sa_pending = 1; 2491 else 2492 sp->fcport->edif.rx_sa_pending = 1; 2493 2494 sp->fcport->vha->qla_stats.control_requests++; 2495 } 2496 2497 void qla24xx_sa_replace_iocb(srb_t * sp,struct sa_update_28xx * sa_update_iocb)2498 qla24xx_sa_replace_iocb(srb_t *sp, struct sa_update_28xx *sa_update_iocb) 2499 { 2500 struct scsi_qla_host *vha = sp->vha; 2501 struct srb_iocb *srb_iocb = &sp->u.iocb_cmd; 2502 struct edif_sa_ctl *sa_ctl = srb_iocb->u.sa_update.sa_ctl; 2503 uint16_t nport_handle = sp->fcport->loop_id; 2504 2505 sa_update_iocb->entry_type = SA_UPDATE_IOCB_TYPE; 2506 sa_update_iocb->entry_count = 1; 2507 sa_update_iocb->sys_define = 0; 2508 sa_update_iocb->entry_status = 0; 2509 sa_update_iocb->handle = sp->handle; 2510 2511 sa_update_iocb->u.nport_handle = cpu_to_le16(nport_handle); 2512 2513 sa_update_iocb->vp_index = sp->fcport->vha->vp_idx; 2514 sa_update_iocb->port_id[0] = sp->fcport->d_id.b.al_pa; 2515 sa_update_iocb->port_id[1] = sp->fcport->d_id.b.area; 2516 sa_update_iocb->port_id[2] = sp->fcport->d_id.b.domain; 2517 2518 /* Invalidate the index. salt, spi, control & key are ignore */ 2519 sa_update_iocb->flags = SA_FLAG_INVALIDATE; 2520 sa_update_iocb->salt = 0; 2521 sa_update_iocb->spi = 0; 2522 sa_update_iocb->sa_index = cpu_to_le16(sa_ctl->index); 2523 sa_update_iocb->sa_control = 0; 2524 2525 ql_dbg(ql_dbg_edif, vha, 0x921d, 2526 "%s SAU DELETE RX Port ID = %02x:%02x:%02x, lid %d flags=%xh, index=%u, hdl=%x\n", 2527 __func__, sa_update_iocb->port_id[2], sa_update_iocb->port_id[1], 2528 sa_update_iocb->port_id[0], nport_handle, sa_update_iocb->flags, 2529 sa_update_iocb->sa_index, sp->handle); 2530 2531 sp->fcport->vha->qla_stats.control_requests++; 2532 } 2533 qla24xx_auth_els(scsi_qla_host_t * vha,void ** pkt,struct rsp_que ** rsp)2534 void qla24xx_auth_els(scsi_qla_host_t *vha, void **pkt, struct rsp_que **rsp) 2535 { 2536 struct purex_entry_24xx *p = *pkt; 2537 struct enode *ptr; 2538 int sid; 2539 u16 totlen; 2540 struct purexevent *purex; 2541 struct scsi_qla_host *host = NULL; 2542 int rc; 2543 struct fc_port *fcport; 2544 struct qla_els_pt_arg a; 2545 be_id_t beid; 2546 2547 memset(&a, 0, sizeof(a)); 2548 2549 a.els_opcode = ELS_AUTH_ELS; 2550 a.nport_handle = p->nport_handle; 2551 a.rx_xchg_address = p->rx_xchg_addr; 2552 a.did.b.domain = p->s_id[2]; 2553 a.did.b.area = p->s_id[1]; 2554 a.did.b.al_pa = p->s_id[0]; 2555 a.tx_byte_count = a.tx_len = sizeof(struct fc_els_ls_rjt); 2556 a.tx_addr = vha->hw->elsrej.cdma; 2557 a.vp_idx = vha->vp_idx; 2558 a.control_flags = EPD_ELS_RJT; 2559 a.ox_id = le16_to_cpu(p->ox_id); 2560 2561 sid = p->s_id[0] | (p->s_id[1] << 8) | (p->s_id[2] << 16); 2562 2563 totlen = (le16_to_cpu(p->frame_size) & 0x0fff) - PURX_ELS_HEADER_SIZE; 2564 if (le16_to_cpu(p->status_flags) & 0x8000) { 2565 totlen = le16_to_cpu(p->trunc_frame_size); 2566 qla_els_reject_iocb(vha, (*rsp)->qpair, &a); 2567 __qla_consume_iocb(vha, pkt, rsp); 2568 return; 2569 } 2570 2571 if (totlen > ELS_MAX_PAYLOAD) { 2572 ql_dbg(ql_dbg_edif, vha, 0x0910d, 2573 "%s WARNING: verbose ELS frame received (totlen=%x)\n", 2574 __func__, totlen); 2575 qla_els_reject_iocb(vha, (*rsp)->qpair, &a); 2576 __qla_consume_iocb(vha, pkt, rsp); 2577 return; 2578 } 2579 2580 if (!vha->hw->flags.edif_enabled) { 2581 /* edif support not enabled */ 2582 ql_dbg(ql_dbg_edif, vha, 0x910e, "%s edif not enabled\n", 2583 __func__); 2584 qla_els_reject_iocb(vha, (*rsp)->qpair, &a); 2585 __qla_consume_iocb(vha, pkt, rsp); 2586 return; 2587 } 2588 2589 ptr = qla_enode_alloc(vha, N_PUREX); 2590 if (!ptr) { 2591 ql_dbg(ql_dbg_edif, vha, 0x09109, 2592 "WARNING: enode alloc failed for sid=%x\n", 2593 sid); 2594 qla_els_reject_iocb(vha, (*rsp)->qpair, &a); 2595 __qla_consume_iocb(vha, pkt, rsp); 2596 return; 2597 } 2598 2599 purex = &ptr->u.purexinfo; 2600 purex->pur_info.pur_sid = a.did; 2601 purex->pur_info.pur_bytes_rcvd = totlen; 2602 purex->pur_info.pur_rx_xchg_address = le32_to_cpu(p->rx_xchg_addr); 2603 purex->pur_info.pur_nphdl = le16_to_cpu(p->nport_handle); 2604 purex->pur_info.pur_did.b.domain = p->d_id[2]; 2605 purex->pur_info.pur_did.b.area = p->d_id[1]; 2606 purex->pur_info.pur_did.b.al_pa = p->d_id[0]; 2607 purex->pur_info.vp_idx = p->vp_idx; 2608 2609 a.sid = purex->pur_info.pur_did; 2610 2611 rc = __qla_copy_purex_to_buffer(vha, pkt, rsp, purex->msgp, 2612 purex->msgp_len); 2613 if (rc) { 2614 qla_els_reject_iocb(vha, (*rsp)->qpair, &a); 2615 qla_enode_free(vha, ptr); 2616 return; 2617 } 2618 beid.al_pa = purex->pur_info.pur_did.b.al_pa; 2619 beid.area = purex->pur_info.pur_did.b.area; 2620 beid.domain = purex->pur_info.pur_did.b.domain; 2621 host = qla_find_host_by_d_id(vha, beid); 2622 if (!host) { 2623 ql_log(ql_log_fatal, vha, 0x508b, 2624 "%s Drop ELS due to unable to find host %06x\n", 2625 __func__, purex->pur_info.pur_did.b24); 2626 2627 qla_els_reject_iocb(vha, (*rsp)->qpair, &a); 2628 qla_enode_free(vha, ptr); 2629 return; 2630 } 2631 2632 fcport = qla2x00_find_fcport_by_pid(host, &purex->pur_info.pur_sid); 2633 2634 if (DBELL_INACTIVE(vha)) { 2635 ql_dbg(ql_dbg_edif, host, 0x0910c, "%s e_dbell.db_flags =%x %06x\n", 2636 __func__, host->e_dbell.db_flags, 2637 fcport ? fcport->d_id.b24 : 0); 2638 2639 qla_els_reject_iocb(host, (*rsp)->qpair, &a); 2640 qla_enode_free(host, ptr); 2641 return; 2642 } 2643 2644 if (fcport && EDIF_SESSION_DOWN(fcport)) { 2645 ql_dbg(ql_dbg_edif, host, 0x13b6, 2646 "%s terminate exchange. Send logo to 0x%x\n", 2647 __func__, a.did.b24); 2648 2649 a.tx_byte_count = a.tx_len = 0; 2650 a.tx_addr = 0; 2651 a.control_flags = EPD_RX_XCHG; /* EPD_RX_XCHG = terminate cmd */ 2652 qla_els_reject_iocb(host, (*rsp)->qpair, &a); 2653 qla_enode_free(host, ptr); 2654 /* send logo to let remote port knows to tear down session */ 2655 fcport->send_els_logo = 1; 2656 qlt_schedule_sess_for_deletion(fcport); 2657 return; 2658 } 2659 2660 /* add the local enode to the list */ 2661 qla_enode_add(host, ptr); 2662 2663 ql_dbg(ql_dbg_edif, host, 0x0910c, 2664 "%s COMPLETE purex->pur_info.pur_bytes_rcvd =%xh s:%06x -> d:%06x xchg=%xh\n", 2665 __func__, purex->pur_info.pur_bytes_rcvd, purex->pur_info.pur_sid.b24, 2666 purex->pur_info.pur_did.b24, purex->pur_info.pur_rx_xchg_address); 2667 2668 qla_edb_eventcreate(host, VND_CMD_AUTH_STATE_ELS_RCVD, sid, 0, NULL); 2669 } 2670 qla_edif_get_sa_index_from_freepool(fc_port_t * fcport,int dir)2671 static uint16_t qla_edif_get_sa_index_from_freepool(fc_port_t *fcport, int dir) 2672 { 2673 struct scsi_qla_host *vha = fcport->vha; 2674 struct qla_hw_data *ha = vha->hw; 2675 void *sa_id_map; 2676 unsigned long flags = 0; 2677 u16 sa_index; 2678 2679 ql_dbg(ql_dbg_edif + ql_dbg_verbose, vha, 0x3063, 2680 "%s: entry\n", __func__); 2681 2682 if (dir) 2683 sa_id_map = ha->edif_tx_sa_id_map; 2684 else 2685 sa_id_map = ha->edif_rx_sa_id_map; 2686 2687 spin_lock_irqsave(&ha->sadb_fp_lock, flags); 2688 sa_index = find_first_zero_bit(sa_id_map, EDIF_NUM_SA_INDEX); 2689 if (sa_index >= EDIF_NUM_SA_INDEX) { 2690 spin_unlock_irqrestore(&ha->sadb_fp_lock, flags); 2691 return INVALID_EDIF_SA_INDEX; 2692 } 2693 set_bit(sa_index, sa_id_map); 2694 spin_unlock_irqrestore(&ha->sadb_fp_lock, flags); 2695 2696 if (dir) 2697 sa_index += EDIF_TX_SA_INDEX_BASE; 2698 2699 ql_dbg(ql_dbg_edif, vha, 0x3063, 2700 "%s: index retrieved from free pool %d\n", __func__, sa_index); 2701 2702 return sa_index; 2703 } 2704 2705 /* find an sadb entry for an nport_handle */ 2706 static struct edif_sa_index_entry * qla_edif_sadb_find_sa_index_entry(uint16_t nport_handle,struct list_head * sa_list)2707 qla_edif_sadb_find_sa_index_entry(uint16_t nport_handle, 2708 struct list_head *sa_list) 2709 { 2710 struct edif_sa_index_entry *entry; 2711 struct edif_sa_index_entry *tentry; 2712 struct list_head *indx_list = sa_list; 2713 2714 list_for_each_entry_safe(entry, tentry, indx_list, next) { 2715 if (entry->handle == nport_handle) 2716 return entry; 2717 } 2718 return NULL; 2719 } 2720 2721 /* remove an sa_index from the nport_handle and return it to the free pool */ qla_edif_sadb_delete_sa_index(fc_port_t * fcport,uint16_t nport_handle,uint16_t sa_index)2722 static int qla_edif_sadb_delete_sa_index(fc_port_t *fcport, uint16_t nport_handle, 2723 uint16_t sa_index) 2724 { 2725 struct edif_sa_index_entry *entry; 2726 struct list_head *sa_list; 2727 int dir = (sa_index < EDIF_TX_SA_INDEX_BASE) ? 0 : 1; 2728 int slot = 0; 2729 int free_slot_count = 0; 2730 scsi_qla_host_t *vha = fcport->vha; 2731 struct qla_hw_data *ha = vha->hw; 2732 unsigned long flags = 0; 2733 2734 ql_dbg(ql_dbg_edif, vha, 0x3063, 2735 "%s: entry\n", __func__); 2736 2737 if (dir) 2738 sa_list = &ha->sadb_tx_index_list; 2739 else 2740 sa_list = &ha->sadb_rx_index_list; 2741 2742 entry = qla_edif_sadb_find_sa_index_entry(nport_handle, sa_list); 2743 if (!entry) { 2744 ql_dbg(ql_dbg_edif, vha, 0x3063, 2745 "%s: no entry found for nport_handle 0x%x\n", 2746 __func__, nport_handle); 2747 return -1; 2748 } 2749 2750 spin_lock_irqsave(&ha->sadb_lock, flags); 2751 /* 2752 * each tx/rx direction has up to 2 sa indexes/slots. 1 slot for in flight traffic 2753 * the other is use at re-key time. 2754 */ 2755 for (slot = 0; slot < 2; slot++) { 2756 if (entry->sa_pair[slot].sa_index == sa_index) { 2757 entry->sa_pair[slot].sa_index = INVALID_EDIF_SA_INDEX; 2758 entry->sa_pair[slot].spi = 0; 2759 free_slot_count++; 2760 qla_edif_add_sa_index_to_freepool(fcport, dir, sa_index); 2761 } else if (entry->sa_pair[slot].sa_index == INVALID_EDIF_SA_INDEX) { 2762 free_slot_count++; 2763 } 2764 } 2765 2766 if (free_slot_count == 2) { 2767 list_del(&entry->next); 2768 kfree(entry); 2769 } 2770 spin_unlock_irqrestore(&ha->sadb_lock, flags); 2771 2772 ql_dbg(ql_dbg_edif, vha, 0x3063, 2773 "%s: sa_index %d removed, free_slot_count: %d\n", 2774 __func__, sa_index, free_slot_count); 2775 2776 return 0; 2777 } 2778 2779 void qla28xx_sa_update_iocb_entry(scsi_qla_host_t * v,struct req_que * req,struct sa_update_28xx * pkt)2780 qla28xx_sa_update_iocb_entry(scsi_qla_host_t *v, struct req_que *req, 2781 struct sa_update_28xx *pkt) 2782 { 2783 const char *func = "SA_UPDATE_RESPONSE_IOCB"; 2784 srb_t *sp; 2785 struct edif_sa_ctl *sa_ctl; 2786 int old_sa_deleted = 1; 2787 uint16_t nport_handle; 2788 struct scsi_qla_host *vha; 2789 2790 sp = qla2x00_get_sp_from_handle(v, func, req, pkt); 2791 2792 if (!sp) { 2793 ql_dbg(ql_dbg_edif, v, 0x3063, 2794 "%s: no sp found for pkt\n", __func__); 2795 return; 2796 } 2797 /* use sp->vha due to npiv */ 2798 vha = sp->vha; 2799 2800 switch (pkt->flags & (SA_FLAG_INVALIDATE | SA_FLAG_TX)) { 2801 case 0: 2802 ql_dbg(ql_dbg_edif, vha, 0x3063, 2803 "%s: EDIF SA UPDATE RX IOCB vha: 0x%p index: %d\n", 2804 __func__, vha, pkt->sa_index); 2805 break; 2806 case 1: 2807 ql_dbg(ql_dbg_edif, vha, 0x3063, 2808 "%s: EDIF SA DELETE RX IOCB vha: 0x%p index: %d\n", 2809 __func__, vha, pkt->sa_index); 2810 break; 2811 case 2: 2812 ql_dbg(ql_dbg_edif, vha, 0x3063, 2813 "%s: EDIF SA UPDATE TX IOCB vha: 0x%p index: %d\n", 2814 __func__, vha, pkt->sa_index); 2815 break; 2816 case 3: 2817 ql_dbg(ql_dbg_edif, vha, 0x3063, 2818 "%s: EDIF SA DELETE TX IOCB vha: 0x%p index: %d\n", 2819 __func__, vha, pkt->sa_index); 2820 break; 2821 } 2822 2823 /* 2824 * dig the nport handle out of the iocb, fcport->loop_id can not be trusted 2825 * to be correct during cleanup sa_update iocbs. 2826 */ 2827 nport_handle = sp->fcport->loop_id; 2828 2829 ql_dbg(ql_dbg_edif, vha, 0x3063, 2830 "%s: %8phN comp status=%x old_sa_info=%x new_sa_info=%x lid %d, index=0x%x pkt_flags %xh hdl=%x\n", 2831 __func__, sp->fcport->port_name, pkt->u.comp_sts, pkt->old_sa_info, pkt->new_sa_info, 2832 nport_handle, pkt->sa_index, pkt->flags, sp->handle); 2833 2834 /* if rx delete, remove the timer */ 2835 if ((pkt->flags & (SA_FLAG_INVALIDATE | SA_FLAG_TX)) == SA_FLAG_INVALIDATE) { 2836 struct edif_list_entry *edif_entry; 2837 2838 sp->fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE); 2839 2840 edif_entry = qla_edif_list_find_sa_index(sp->fcport, nport_handle); 2841 if (edif_entry) { 2842 ql_dbg(ql_dbg_edif, vha, 0x5033, 2843 "%s: removing edif_entry %p, new sa_index: 0x%x\n", 2844 __func__, edif_entry, pkt->sa_index); 2845 qla_edif_list_delete_sa_index(sp->fcport, edif_entry); 2846 timer_shutdown(&edif_entry->timer); 2847 2848 ql_dbg(ql_dbg_edif, vha, 0x5033, 2849 "%s: releasing edif_entry %p, new sa_index: 0x%x\n", 2850 __func__, edif_entry, pkt->sa_index); 2851 2852 kfree(edif_entry); 2853 } 2854 } 2855 2856 /* 2857 * if this is a delete for either tx or rx, make sure it succeeded. 2858 * The new_sa_info field should be 0xffff on success 2859 */ 2860 if (pkt->flags & SA_FLAG_INVALIDATE) 2861 old_sa_deleted = (le16_to_cpu(pkt->new_sa_info) == 0xffff) ? 1 : 0; 2862 2863 /* Process update and delete the same way */ 2864 2865 /* If this is an sadb cleanup delete, bypass sending events to IPSEC */ 2866 if (sp->flags & SRB_EDIF_CLEANUP_DELETE) { 2867 sp->fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE); 2868 ql_dbg(ql_dbg_edif, vha, 0x3063, 2869 "%s: nph 0x%x, sa_index %d removed from fw\n", 2870 __func__, sp->fcport->loop_id, pkt->sa_index); 2871 2872 } else if ((pkt->entry_status == 0) && (pkt->u.comp_sts == 0) && 2873 old_sa_deleted) { 2874 /* 2875 * Note: Wa are only keeping track of latest SA, 2876 * so we know when we can start enableing encryption per I/O. 2877 * If all SA's get deleted, let FW reject the IOCB. 2878 2879 * TODO: edif: don't set enabled here I think 2880 * TODO: edif: prli complete is where it should be set 2881 */ 2882 ql_dbg(ql_dbg_edif + ql_dbg_verbose, vha, 0x3063, 2883 "SA(%x)updated for s_id %02x%02x%02x\n", 2884 pkt->new_sa_info, 2885 pkt->port_id[2], pkt->port_id[1], pkt->port_id[0]); 2886 sp->fcport->edif.enable = 1; 2887 if (pkt->flags & SA_FLAG_TX) { 2888 sp->fcport->edif.tx_sa_set = 1; 2889 sp->fcport->edif.tx_sa_pending = 0; 2890 qla_edb_eventcreate(vha, VND_CMD_AUTH_STATE_SAUPDATE_COMPL, 2891 QL_VND_SA_STAT_SUCCESS, 2892 QL_VND_TX_SA_KEY, sp->fcport); 2893 } else { 2894 sp->fcport->edif.rx_sa_set = 1; 2895 sp->fcport->edif.rx_sa_pending = 0; 2896 qla_edb_eventcreate(vha, VND_CMD_AUTH_STATE_SAUPDATE_COMPL, 2897 QL_VND_SA_STAT_SUCCESS, 2898 QL_VND_RX_SA_KEY, sp->fcport); 2899 } 2900 } else { 2901 ql_dbg(ql_dbg_edif, vha, 0x3063, 2902 "%s: %8phN SA update FAILED: sa_index: %d, new_sa_info %d, %02x%02x%02x\n", 2903 __func__, sp->fcport->port_name, pkt->sa_index, pkt->new_sa_info, 2904 pkt->port_id[2], pkt->port_id[1], pkt->port_id[0]); 2905 2906 if (pkt->flags & SA_FLAG_TX) 2907 qla_edb_eventcreate(vha, VND_CMD_AUTH_STATE_SAUPDATE_COMPL, 2908 (le16_to_cpu(pkt->u.comp_sts) << 16) | QL_VND_SA_STAT_FAILED, 2909 QL_VND_TX_SA_KEY, sp->fcport); 2910 else 2911 qla_edb_eventcreate(vha, VND_CMD_AUTH_STATE_SAUPDATE_COMPL, 2912 (le16_to_cpu(pkt->u.comp_sts) << 16) | QL_VND_SA_STAT_FAILED, 2913 QL_VND_RX_SA_KEY, sp->fcport); 2914 } 2915 2916 /* for delete, release sa_ctl, sa_index */ 2917 if (pkt->flags & SA_FLAG_INVALIDATE) { 2918 /* release the sa_ctl */ 2919 sa_ctl = qla_edif_find_sa_ctl_by_index(sp->fcport, 2920 le16_to_cpu(pkt->sa_index), (pkt->flags & SA_FLAG_TX)); 2921 if (sa_ctl && 2922 qla_edif_find_sa_ctl_by_index(sp->fcport, sa_ctl->index, 2923 (pkt->flags & SA_FLAG_TX)) != NULL) { 2924 ql_dbg(ql_dbg_edif + ql_dbg_verbose, vha, 0x3063, 2925 "%s: freeing sa_ctl for index %d\n", 2926 __func__, sa_ctl->index); 2927 qla_edif_free_sa_ctl(sp->fcport, sa_ctl, sa_ctl->index); 2928 } else { 2929 ql_dbg(ql_dbg_edif, vha, 0x3063, 2930 "%s: sa_ctl NOT freed, sa_ctl: %p\n", 2931 __func__, sa_ctl); 2932 } 2933 ql_dbg(ql_dbg_edif, vha, 0x3063, 2934 "%s: freeing sa_index %d, nph: 0x%x\n", 2935 __func__, le16_to_cpu(pkt->sa_index), nport_handle); 2936 qla_edif_sadb_delete_sa_index(sp->fcport, nport_handle, 2937 le16_to_cpu(pkt->sa_index)); 2938 /* 2939 * check for a failed sa_update and remove 2940 * the sadb entry. 2941 */ 2942 } else if (pkt->u.comp_sts) { 2943 ql_dbg(ql_dbg_edif, vha, 0x3063, 2944 "%s: freeing sa_index %d, nph: 0x%x\n", 2945 __func__, pkt->sa_index, nport_handle); 2946 qla_edif_sadb_delete_sa_index(sp->fcport, nport_handle, 2947 le16_to_cpu(pkt->sa_index)); 2948 switch (le16_to_cpu(pkt->u.comp_sts)) { 2949 case CS_PORT_EDIF_UNAVAIL: 2950 case CS_PORT_EDIF_LOGOUT: 2951 qlt_schedule_sess_for_deletion(sp->fcport); 2952 break; 2953 default: 2954 break; 2955 } 2956 } 2957 2958 sp->done(sp, 0); 2959 } 2960 2961 /** 2962 * qla28xx_start_scsi_edif() - Send a SCSI type 6 command to the ISP 2963 * @sp: command to send to the ISP 2964 * 2965 * Return: non-zero if a failure occurred, else zero. 2966 */ 2967 int qla28xx_start_scsi_edif(srb_t * sp)2968 qla28xx_start_scsi_edif(srb_t *sp) 2969 { 2970 int nseg; 2971 unsigned long flags; 2972 struct scsi_cmnd *cmd; 2973 uint32_t *clr_ptr; 2974 uint32_t index, i; 2975 uint32_t handle; 2976 uint16_t cnt; 2977 int16_t req_cnt; 2978 uint16_t tot_dsds; 2979 __be32 *fcp_dl; 2980 uint8_t additional_cdb_len; 2981 struct ct6_dsd *ctx; 2982 struct scsi_qla_host *vha = sp->vha; 2983 struct qla_hw_data *ha = vha->hw; 2984 struct cmd_type_6 *cmd_pkt; 2985 struct dsd64 *cur_dsd; 2986 uint8_t avail_dsds = 0; 2987 struct scatterlist *sg; 2988 struct req_que *req = sp->qpair->req; 2989 spinlock_t *lock = sp->qpair->qp_lock_ptr; 2990 2991 /* Setup device pointers. */ 2992 cmd = GET_CMD_SP(sp); 2993 2994 /* So we know we haven't pci_map'ed anything yet */ 2995 tot_dsds = 0; 2996 2997 /* Send marker if required */ 2998 if (vha->marker_needed != 0) { 2999 if (qla2x00_marker(vha, sp->qpair, 0, 0, MK_SYNC_ALL) != 3000 QLA_SUCCESS) { 3001 ql_log(ql_log_warn, vha, 0x300c, 3002 "qla2x00_marker failed for cmd=%p.\n", cmd); 3003 return QLA_FUNCTION_FAILED; 3004 } 3005 vha->marker_needed = 0; 3006 } 3007 3008 /* Acquire ring specific lock */ 3009 spin_lock_irqsave(lock, flags); 3010 3011 /* Check for room in outstanding command list. */ 3012 handle = req->current_outstanding_cmd; 3013 for (index = 1; index < req->num_outstanding_cmds; index++) { 3014 handle++; 3015 if (handle == req->num_outstanding_cmds) 3016 handle = 1; 3017 if (!req->outstanding_cmds[handle]) 3018 break; 3019 } 3020 if (index == req->num_outstanding_cmds) 3021 goto queuing_error; 3022 3023 /* Map the sg table so we have an accurate count of sg entries needed */ 3024 if (scsi_sg_count(cmd)) { 3025 nseg = dma_map_sg(&ha->pdev->dev, scsi_sglist(cmd), 3026 scsi_sg_count(cmd), cmd->sc_data_direction); 3027 if (unlikely(!nseg)) 3028 goto queuing_error; 3029 } else { 3030 nseg = 0; 3031 } 3032 3033 tot_dsds = nseg; 3034 req_cnt = qla24xx_calc_iocbs(vha, tot_dsds); 3035 3036 sp->iores.res_type = RESOURCE_IOCB | RESOURCE_EXCH; 3037 sp->iores.exch_cnt = 1; 3038 sp->iores.iocb_cnt = req_cnt; 3039 if (qla_get_fw_resources(sp->qpair, &sp->iores)) 3040 goto queuing_error; 3041 3042 if (req->cnt < (req_cnt + 2)) { 3043 cnt = IS_SHADOW_REG_CAPABLE(ha) ? *req->out_ptr : 3044 rd_reg_dword(req->req_q_out); 3045 if (req->ring_index < cnt) 3046 req->cnt = cnt - req->ring_index; 3047 else 3048 req->cnt = req->length - 3049 (req->ring_index - cnt); 3050 if (req->cnt < (req_cnt + 2)) 3051 goto queuing_error; 3052 } 3053 3054 if (qla_get_buf(vha, sp->qpair, &sp->u.scmd.buf_dsc)) { 3055 ql_log(ql_log_fatal, vha, 0x3011, 3056 "Failed to allocate buf for fcp_cmnd for cmd=%p.\n", cmd); 3057 goto queuing_error; 3058 } 3059 3060 sp->flags |= SRB_GOT_BUF; 3061 ctx = &sp->u.scmd.ct6_ctx; 3062 ctx->fcp_cmnd = sp->u.scmd.buf_dsc.buf; 3063 ctx->fcp_cmnd_dma = sp->u.scmd.buf_dsc.buf_dma; 3064 3065 if (cmd->cmd_len > 16) { 3066 additional_cdb_len = cmd->cmd_len - 16; 3067 if ((cmd->cmd_len % 4) != 0) { 3068 /* 3069 * SCSI command bigger than 16 bytes must be 3070 * multiple of 4 3071 */ 3072 ql_log(ql_log_warn, vha, 0x3012, 3073 "scsi cmd len %d not multiple of 4 for cmd=%p.\n", 3074 cmd->cmd_len, cmd); 3075 goto queuing_error_fcp_cmnd; 3076 } 3077 ctx->fcp_cmnd_len = 12 + cmd->cmd_len + 4; 3078 } else { 3079 additional_cdb_len = 0; 3080 ctx->fcp_cmnd_len = 12 + 16 + 4; 3081 } 3082 3083 cmd_pkt = (struct cmd_type_6 *)req->ring_ptr; 3084 cmd_pkt->handle = make_handle(req->id, handle); 3085 3086 /* 3087 * Zero out remaining portion of packet. 3088 * tagged queuing modifier -- default is TSK_SIMPLE (0). 3089 */ 3090 clr_ptr = (uint32_t *)cmd_pkt + 2; 3091 memset(clr_ptr, 0, REQUEST_ENTRY_SIZE - 8); 3092 cmd_pkt->dseg_count = cpu_to_le16(tot_dsds); 3093 3094 /* No data transfer */ 3095 if (!scsi_bufflen(cmd) || cmd->sc_data_direction == DMA_NONE) { 3096 cmd_pkt->byte_count = cpu_to_le32(0); 3097 goto no_dsds; 3098 } 3099 3100 /* Set transfer direction */ 3101 if (cmd->sc_data_direction == DMA_TO_DEVICE) { 3102 cmd_pkt->control_flags = cpu_to_le16(CF_WRITE_DATA); 3103 vha->qla_stats.output_bytes += scsi_bufflen(cmd); 3104 vha->qla_stats.output_requests++; 3105 sp->fcport->edif.tx_bytes += scsi_bufflen(cmd); 3106 } else if (cmd->sc_data_direction == DMA_FROM_DEVICE) { 3107 cmd_pkt->control_flags = cpu_to_le16(CF_READ_DATA); 3108 vha->qla_stats.input_bytes += scsi_bufflen(cmd); 3109 vha->qla_stats.input_requests++; 3110 sp->fcport->edif.rx_bytes += scsi_bufflen(cmd); 3111 } 3112 3113 cmd_pkt->control_flags |= cpu_to_le16(CF_EN_EDIF); 3114 cmd_pkt->control_flags &= ~(cpu_to_le16(CF_NEW_SA)); 3115 3116 /* One DSD is available in the Command Type 6 IOCB */ 3117 avail_dsds = 1; 3118 cur_dsd = &cmd_pkt->fcp_dsd; 3119 3120 /* Load data segments */ 3121 scsi_for_each_sg(cmd, sg, tot_dsds, i) { 3122 dma_addr_t sle_dma; 3123 cont_a64_entry_t *cont_pkt; 3124 3125 /* Allocate additional continuation packets? */ 3126 if (avail_dsds == 0) { 3127 /* 3128 * Five DSDs are available in the Continuation 3129 * Type 1 IOCB. 3130 */ 3131 cont_pkt = qla2x00_prep_cont_type1_iocb(vha, req); 3132 cur_dsd = cont_pkt->dsd; 3133 avail_dsds = 5; 3134 } 3135 3136 sle_dma = sg_dma_address(sg); 3137 put_unaligned_le64(sle_dma, &cur_dsd->address); 3138 cur_dsd->length = cpu_to_le32(sg_dma_len(sg)); 3139 cur_dsd++; 3140 avail_dsds--; 3141 } 3142 3143 no_dsds: 3144 /* Set NPORT-ID and LUN number*/ 3145 cmd_pkt->nport_handle = cpu_to_le16(sp->fcport->loop_id); 3146 cmd_pkt->port_id[0] = sp->fcport->d_id.b.al_pa; 3147 cmd_pkt->port_id[1] = sp->fcport->d_id.b.area; 3148 cmd_pkt->port_id[2] = sp->fcport->d_id.b.domain; 3149 cmd_pkt->vp_index = sp->vha->vp_idx; 3150 3151 cmd_pkt->entry_type = COMMAND_TYPE_6; 3152 3153 /* Set total data segment count. */ 3154 cmd_pkt->entry_count = (uint8_t)req_cnt; 3155 3156 int_to_scsilun(cmd->device->lun, &cmd_pkt->lun); 3157 host_to_fcp_swap((uint8_t *)&cmd_pkt->lun, sizeof(cmd_pkt->lun)); 3158 3159 /* build FCP_CMND IU */ 3160 int_to_scsilun(cmd->device->lun, &ctx->fcp_cmnd->lun); 3161 ctx->fcp_cmnd->additional_cdb_len = additional_cdb_len; 3162 3163 if (cmd->sc_data_direction == DMA_TO_DEVICE) 3164 ctx->fcp_cmnd->additional_cdb_len |= 1; 3165 else if (cmd->sc_data_direction == DMA_FROM_DEVICE) 3166 ctx->fcp_cmnd->additional_cdb_len |= 2; 3167 3168 /* Populate the FCP_PRIO. */ 3169 if (ha->flags.fcp_prio_enabled) 3170 ctx->fcp_cmnd->task_attribute |= 3171 sp->fcport->fcp_prio << 3; 3172 3173 memcpy(ctx->fcp_cmnd->cdb, cmd->cmnd, cmd->cmd_len); 3174 3175 fcp_dl = (__be32 *)(ctx->fcp_cmnd->cdb + 16 + 3176 additional_cdb_len); 3177 *fcp_dl = htonl((uint32_t)scsi_bufflen(cmd)); 3178 3179 cmd_pkt->fcp_cmnd_dseg_len = cpu_to_le16(ctx->fcp_cmnd_len); 3180 put_unaligned_le64(ctx->fcp_cmnd_dma, &cmd_pkt->fcp_cmnd_dseg_address); 3181 3182 cmd_pkt->byte_count = cpu_to_le32((uint32_t)scsi_bufflen(cmd)); 3183 /* Set total data segment count. */ 3184 cmd_pkt->entry_count = (uint8_t)req_cnt; 3185 cmd_pkt->entry_status = 0; 3186 3187 /* Build command packet. */ 3188 req->current_outstanding_cmd = handle; 3189 req->outstanding_cmds[handle] = sp; 3190 sp->handle = handle; 3191 cmd->host_scribble = (unsigned char *)(unsigned long)handle; 3192 req->cnt -= req_cnt; 3193 3194 /* Adjust ring index. */ 3195 wmb(); 3196 req->ring_index++; 3197 if (req->ring_index == req->length) { 3198 req->ring_index = 0; 3199 req->ring_ptr = req->ring; 3200 } else { 3201 req->ring_ptr++; 3202 } 3203 3204 sp->qpair->cmd_cnt++; 3205 /* Set chip new ring index. */ 3206 wrt_reg_dword(req->req_q_in, req->ring_index); 3207 3208 spin_unlock_irqrestore(lock, flags); 3209 3210 return QLA_SUCCESS; 3211 3212 queuing_error_fcp_cmnd: 3213 queuing_error: 3214 if (tot_dsds) 3215 scsi_dma_unmap(cmd); 3216 3217 qla_put_buf(sp->qpair, &sp->u.scmd.buf_dsc); 3218 qla_put_fw_resources(sp->qpair, &sp->iores); 3219 spin_unlock_irqrestore(lock, flags); 3220 3221 return QLA_FUNCTION_FAILED; 3222 } 3223 3224 /********************************************** 3225 * edif update/delete sa_index list functions * 3226 **********************************************/ 3227 3228 /* clear the edif_indx_list for this port */ qla_edif_list_del(fc_port_t * fcport)3229 void qla_edif_list_del(fc_port_t *fcport) 3230 { 3231 struct edif_list_entry *indx_lst; 3232 struct edif_list_entry *tindx_lst; 3233 struct list_head *indx_list = &fcport->edif.edif_indx_list; 3234 unsigned long flags = 0; 3235 3236 spin_lock_irqsave(&fcport->edif.indx_list_lock, flags); 3237 list_for_each_entry_safe(indx_lst, tindx_lst, indx_list, next) { 3238 list_del(&indx_lst->next); 3239 kfree(indx_lst); 3240 } 3241 spin_unlock_irqrestore(&fcport->edif.indx_list_lock, flags); 3242 } 3243 3244 /****************** 3245 * SADB functions * 3246 ******************/ 3247 3248 /* allocate/retrieve an sa_index for a given spi */ qla_edif_sadb_get_sa_index(fc_port_t * fcport,struct qla_sa_update_frame * sa_frame)3249 static uint16_t qla_edif_sadb_get_sa_index(fc_port_t *fcport, 3250 struct qla_sa_update_frame *sa_frame) 3251 { 3252 struct edif_sa_index_entry *entry; 3253 struct list_head *sa_list; 3254 uint16_t sa_index; 3255 int dir = sa_frame->flags & SAU_FLG_TX; 3256 int slot = 0; 3257 int free_slot = -1; 3258 scsi_qla_host_t *vha = fcport->vha; 3259 struct qla_hw_data *ha = vha->hw; 3260 unsigned long flags = 0; 3261 uint16_t nport_handle = fcport->loop_id; 3262 3263 ql_dbg(ql_dbg_edif, vha, 0x3063, 3264 "%s: entry fc_port: %p, nport_handle: 0x%x\n", 3265 __func__, fcport, nport_handle); 3266 3267 if (dir) 3268 sa_list = &ha->sadb_tx_index_list; 3269 else 3270 sa_list = &ha->sadb_rx_index_list; 3271 3272 entry = qla_edif_sadb_find_sa_index_entry(nport_handle, sa_list); 3273 if (!entry) { 3274 if ((sa_frame->flags & (SAU_FLG_TX | SAU_FLG_INV)) == SAU_FLG_INV) { 3275 ql_dbg(ql_dbg_edif, vha, 0x3063, 3276 "%s: rx delete request with no entry\n", __func__); 3277 return RX_DELETE_NO_EDIF_SA_INDEX; 3278 } 3279 3280 /* if there is no entry for this nport, add one */ 3281 entry = kzalloc((sizeof(struct edif_sa_index_entry)), GFP_ATOMIC); 3282 if (!entry) 3283 return INVALID_EDIF_SA_INDEX; 3284 3285 sa_index = qla_edif_get_sa_index_from_freepool(fcport, dir); 3286 if (sa_index == INVALID_EDIF_SA_INDEX) { 3287 kfree(entry); 3288 return INVALID_EDIF_SA_INDEX; 3289 } 3290 3291 INIT_LIST_HEAD(&entry->next); 3292 entry->handle = nport_handle; 3293 entry->fcport = fcport; 3294 entry->sa_pair[0].spi = sa_frame->spi; 3295 entry->sa_pair[0].sa_index = sa_index; 3296 entry->sa_pair[1].spi = 0; 3297 entry->sa_pair[1].sa_index = INVALID_EDIF_SA_INDEX; 3298 spin_lock_irqsave(&ha->sadb_lock, flags); 3299 list_add_tail(&entry->next, sa_list); 3300 spin_unlock_irqrestore(&ha->sadb_lock, flags); 3301 ql_dbg(ql_dbg_edif, vha, 0x3063, 3302 "%s: Created new sadb entry for nport_handle 0x%x, spi 0x%x, returning sa_index %d\n", 3303 __func__, nport_handle, sa_frame->spi, sa_index); 3304 3305 return sa_index; 3306 } 3307 3308 spin_lock_irqsave(&ha->sadb_lock, flags); 3309 3310 /* see if we already have an entry for this spi */ 3311 for (slot = 0; slot < 2; slot++) { 3312 if (entry->sa_pair[slot].sa_index == INVALID_EDIF_SA_INDEX) { 3313 free_slot = slot; 3314 } else { 3315 if (entry->sa_pair[slot].spi == sa_frame->spi) { 3316 spin_unlock_irqrestore(&ha->sadb_lock, flags); 3317 ql_dbg(ql_dbg_edif, vha, 0x3063, 3318 "%s: sadb slot %d entry for lid 0x%x, spi 0x%x found, sa_index %d\n", 3319 __func__, slot, entry->handle, sa_frame->spi, 3320 entry->sa_pair[slot].sa_index); 3321 return entry->sa_pair[slot].sa_index; 3322 } 3323 } 3324 } 3325 spin_unlock_irqrestore(&ha->sadb_lock, flags); 3326 3327 /* both slots are used */ 3328 if (free_slot == -1) { 3329 ql_dbg(ql_dbg_edif, vha, 0x3063, 3330 "%s: WARNING: No free slots in sadb for nport_handle 0x%x, spi: 0x%x\n", 3331 __func__, entry->handle, sa_frame->spi); 3332 ql_dbg(ql_dbg_edif, vha, 0x3063, 3333 "%s: Slot 0 spi: 0x%x sa_index: %d, Slot 1 spi: 0x%x sa_index: %d\n", 3334 __func__, entry->sa_pair[0].spi, entry->sa_pair[0].sa_index, 3335 entry->sa_pair[1].spi, entry->sa_pair[1].sa_index); 3336 3337 return INVALID_EDIF_SA_INDEX; 3338 } 3339 3340 /* there is at least one free slot, use it */ 3341 sa_index = qla_edif_get_sa_index_from_freepool(fcport, dir); 3342 if (sa_index == INVALID_EDIF_SA_INDEX) { 3343 ql_dbg(ql_dbg_edif, fcport->vha, 0x3063, 3344 "%s: empty freepool!!\n", __func__); 3345 return INVALID_EDIF_SA_INDEX; 3346 } 3347 3348 spin_lock_irqsave(&ha->sadb_lock, flags); 3349 entry->sa_pair[free_slot].spi = sa_frame->spi; 3350 entry->sa_pair[free_slot].sa_index = sa_index; 3351 spin_unlock_irqrestore(&ha->sadb_lock, flags); 3352 ql_dbg(ql_dbg_edif, fcport->vha, 0x3063, 3353 "%s: sadb slot %d entry for nport_handle 0x%x, spi 0x%x added, returning sa_index %d\n", 3354 __func__, free_slot, entry->handle, sa_frame->spi, sa_index); 3355 3356 return sa_index; 3357 } 3358 3359 /* release any sadb entries -- only done at teardown */ qla_edif_sadb_release(struct qla_hw_data * ha)3360 void qla_edif_sadb_release(struct qla_hw_data *ha) 3361 { 3362 struct edif_sa_index_entry *entry, *tmp; 3363 3364 list_for_each_entry_safe(entry, tmp, &ha->sadb_rx_index_list, next) { 3365 list_del(&entry->next); 3366 kfree(entry); 3367 } 3368 3369 list_for_each_entry_safe(entry, tmp, &ha->sadb_tx_index_list, next) { 3370 list_del(&entry->next); 3371 kfree(entry); 3372 } 3373 } 3374 3375 /************************** 3376 * sadb freepool functions 3377 **************************/ 3378 3379 /* build the rx and tx sa_index free pools -- only done at fcport init */ qla_edif_sadb_build_free_pool(struct qla_hw_data * ha)3380 int qla_edif_sadb_build_free_pool(struct qla_hw_data *ha) 3381 { 3382 ha->edif_tx_sa_id_map = 3383 kcalloc(BITS_TO_LONGS(EDIF_NUM_SA_INDEX), sizeof(long), GFP_KERNEL); 3384 3385 if (!ha->edif_tx_sa_id_map) { 3386 ql_log_pci(ql_log_fatal, ha->pdev, 0x0009, 3387 "Unable to allocate memory for sadb tx.\n"); 3388 return -ENOMEM; 3389 } 3390 3391 ha->edif_rx_sa_id_map = 3392 kcalloc(BITS_TO_LONGS(EDIF_NUM_SA_INDEX), sizeof(long), GFP_KERNEL); 3393 if (!ha->edif_rx_sa_id_map) { 3394 kfree(ha->edif_tx_sa_id_map); 3395 ha->edif_tx_sa_id_map = NULL; 3396 ql_log_pci(ql_log_fatal, ha->pdev, 0x0009, 3397 "Unable to allocate memory for sadb rx.\n"); 3398 return -ENOMEM; 3399 } 3400 return 0; 3401 } 3402 3403 /* release the free pool - only done during fcport teardown */ qla_edif_sadb_release_free_pool(struct qla_hw_data * ha)3404 void qla_edif_sadb_release_free_pool(struct qla_hw_data *ha) 3405 { 3406 kfree(ha->edif_tx_sa_id_map); 3407 ha->edif_tx_sa_id_map = NULL; 3408 kfree(ha->edif_rx_sa_id_map); 3409 ha->edif_rx_sa_id_map = NULL; 3410 } 3411 __chk_edif_rx_sa_delete_pending(scsi_qla_host_t * vha,fc_port_t * fcport,uint32_t handle,uint16_t sa_index)3412 static void __chk_edif_rx_sa_delete_pending(scsi_qla_host_t *vha, 3413 fc_port_t *fcport, uint32_t handle, uint16_t sa_index) 3414 { 3415 struct edif_list_entry *edif_entry; 3416 struct edif_sa_ctl *sa_ctl; 3417 uint16_t delete_sa_index = INVALID_EDIF_SA_INDEX; 3418 unsigned long flags = 0; 3419 uint16_t nport_handle = fcport->loop_id; 3420 uint16_t cached_nport_handle; 3421 3422 spin_lock_irqsave(&fcport->edif.indx_list_lock, flags); 3423 edif_entry = qla_edif_list_find_sa_index(fcport, nport_handle); 3424 if (!edif_entry) { 3425 spin_unlock_irqrestore(&fcport->edif.indx_list_lock, flags); 3426 return; /* no pending delete for this handle */ 3427 } 3428 3429 /* 3430 * check for no pending delete for this index or iocb does not 3431 * match rx sa_index 3432 */ 3433 if (edif_entry->delete_sa_index == INVALID_EDIF_SA_INDEX || 3434 edif_entry->update_sa_index != sa_index) { 3435 spin_unlock_irqrestore(&fcport->edif.indx_list_lock, flags); 3436 return; 3437 } 3438 3439 /* 3440 * wait until we have seen at least EDIF_DELAY_COUNT transfers before 3441 * queueing RX delete 3442 */ 3443 if (edif_entry->count++ < EDIF_RX_DELETE_FILTER_COUNT) { 3444 spin_unlock_irqrestore(&fcport->edif.indx_list_lock, flags); 3445 return; 3446 } 3447 3448 ql_dbg(ql_dbg_edif, vha, 0x5033, 3449 "%s: invalidating delete_sa_index, update_sa_index: 0x%x sa_index: 0x%x, delete_sa_index: 0x%x\n", 3450 __func__, edif_entry->update_sa_index, sa_index, edif_entry->delete_sa_index); 3451 3452 delete_sa_index = edif_entry->delete_sa_index; 3453 edif_entry->delete_sa_index = INVALID_EDIF_SA_INDEX; 3454 cached_nport_handle = edif_entry->handle; 3455 spin_unlock_irqrestore(&fcport->edif.indx_list_lock, flags); 3456 3457 /* sanity check on the nport handle */ 3458 if (nport_handle != cached_nport_handle) { 3459 ql_dbg(ql_dbg_edif, vha, 0x3063, 3460 "%s: POST SA DELETE nport_handle mismatch: lid: 0x%x, edif_entry nph: 0x%x\n", 3461 __func__, nport_handle, cached_nport_handle); 3462 } 3463 3464 /* find the sa_ctl for the delete and schedule the delete */ 3465 sa_ctl = qla_edif_find_sa_ctl_by_index(fcport, delete_sa_index, 0); 3466 if (sa_ctl) { 3467 ql_dbg(ql_dbg_edif, vha, 0x3063, 3468 "%s: POST SA DELETE sa_ctl: %p, index recvd %d\n", 3469 __func__, sa_ctl, sa_index); 3470 ql_dbg(ql_dbg_edif, vha, 0x3063, 3471 "delete index %d, update index: %d, nport handle: 0x%x, handle: 0x%x\n", 3472 delete_sa_index, 3473 edif_entry->update_sa_index, nport_handle, handle); 3474 3475 sa_ctl->flags = EDIF_SA_CTL_FLG_DEL; 3476 set_bit(EDIF_SA_CTL_REPL, &sa_ctl->state); 3477 qla_post_sa_replace_work(fcport->vha, fcport, 3478 nport_handle, sa_ctl); 3479 } else { 3480 ql_dbg(ql_dbg_edif, vha, 0x3063, 3481 "%s: POST SA DELETE sa_ctl not found for delete_sa_index: %d\n", 3482 __func__, delete_sa_index); 3483 } 3484 } 3485 qla_chk_edif_rx_sa_delete_pending(scsi_qla_host_t * vha,srb_t * sp,struct sts_entry_24xx * sts24)3486 void qla_chk_edif_rx_sa_delete_pending(scsi_qla_host_t *vha, 3487 srb_t *sp, struct sts_entry_24xx *sts24) 3488 { 3489 fc_port_t *fcport = sp->fcport; 3490 /* sa_index used by this iocb */ 3491 struct scsi_cmnd *cmd = GET_CMD_SP(sp); 3492 uint32_t handle; 3493 3494 handle = (uint32_t)LSW(sts24->handle); 3495 3496 /* find out if this status iosb is for a scsi read */ 3497 if (cmd->sc_data_direction != DMA_FROM_DEVICE) 3498 return; 3499 3500 return __chk_edif_rx_sa_delete_pending(vha, fcport, handle, 3501 le16_to_cpu(sts24->edif_sa_index)); 3502 } 3503 qlt_chk_edif_rx_sa_delete_pending(scsi_qla_host_t * vha,fc_port_t * fcport,struct ctio7_from_24xx * pkt)3504 void qlt_chk_edif_rx_sa_delete_pending(scsi_qla_host_t *vha, fc_port_t *fcport, 3505 struct ctio7_from_24xx *pkt) 3506 { 3507 __chk_edif_rx_sa_delete_pending(vha, fcport, 3508 pkt->handle, le16_to_cpu(pkt->edif_sa_index)); 3509 } 3510 qla_parse_auth_els_ctl(struct srb * sp)3511 static void qla_parse_auth_els_ctl(struct srb *sp) 3512 { 3513 struct qla_els_pt_arg *a = &sp->u.bsg_cmd.u.els_arg; 3514 struct bsg_job *bsg_job = sp->u.bsg_cmd.bsg_job; 3515 struct fc_bsg_request *request = bsg_job->request; 3516 struct qla_bsg_auth_els_request *p = 3517 (struct qla_bsg_auth_els_request *)bsg_job->request; 3518 3519 a->tx_len = a->tx_byte_count = sp->remap.req.len; 3520 a->tx_addr = sp->remap.req.dma; 3521 a->rx_len = a->rx_byte_count = sp->remap.rsp.len; 3522 a->rx_addr = sp->remap.rsp.dma; 3523 3524 if (p->e.sub_cmd == SEND_ELS_REPLY) { 3525 a->control_flags = p->e.extra_control_flags << 13; 3526 a->rx_xchg_address = cpu_to_le32(p->e.extra_rx_xchg_address); 3527 if (p->e.extra_control_flags == BSG_CTL_FLAG_LS_ACC) 3528 a->els_opcode = ELS_LS_ACC; 3529 else if (p->e.extra_control_flags == BSG_CTL_FLAG_LS_RJT) 3530 a->els_opcode = ELS_LS_RJT; 3531 } 3532 a->did = sp->fcport->d_id; 3533 a->els_opcode = request->rqst_data.h_els.command_code; 3534 a->nport_handle = cpu_to_le16(sp->fcport->loop_id); 3535 a->vp_idx = sp->vha->vp_idx; 3536 } 3537 qla_edif_process_els(scsi_qla_host_t * vha,struct bsg_job * bsg_job)3538 int qla_edif_process_els(scsi_qla_host_t *vha, struct bsg_job *bsg_job) 3539 { 3540 struct fc_bsg_request *bsg_request = bsg_job->request; 3541 struct fc_bsg_reply *bsg_reply = bsg_job->reply; 3542 fc_port_t *fcport = NULL; 3543 struct qla_hw_data *ha = vha->hw; 3544 srb_t *sp; 3545 int rval = (DID_ERROR << 16), cnt; 3546 port_id_t d_id; 3547 struct qla_bsg_auth_els_request *p = 3548 (struct qla_bsg_auth_els_request *)bsg_job->request; 3549 struct qla_bsg_auth_els_reply *rpl = 3550 (struct qla_bsg_auth_els_reply *)bsg_job->reply; 3551 3552 rpl->version = EDIF_VERSION1; 3553 3554 d_id.b.al_pa = bsg_request->rqst_data.h_els.port_id[2]; 3555 d_id.b.area = bsg_request->rqst_data.h_els.port_id[1]; 3556 d_id.b.domain = bsg_request->rqst_data.h_els.port_id[0]; 3557 3558 /* find matching d_id in fcport list */ 3559 fcport = qla2x00_find_fcport_by_pid(vha, &d_id); 3560 if (!fcport) { 3561 ql_dbg(ql_dbg_edif, vha, 0x911a, 3562 "%s fcport not find online portid=%06x.\n", 3563 __func__, d_id.b24); 3564 SET_DID_STATUS(bsg_reply->result, DID_ERROR); 3565 return -EIO; 3566 } 3567 3568 if (qla_bsg_check(vha, bsg_job, fcport)) 3569 return 0; 3570 3571 if (EDIF_SESS_DELETE(fcport)) { 3572 ql_dbg(ql_dbg_edif, vha, 0x910d, 3573 "%s ELS code %x, no loop id.\n", __func__, 3574 bsg_request->rqst_data.r_els.els_code); 3575 SET_DID_STATUS(bsg_reply->result, DID_BAD_TARGET); 3576 return -ENXIO; 3577 } 3578 3579 if (!vha->flags.online) { 3580 ql_log(ql_log_warn, vha, 0x7005, "Host not online.\n"); 3581 SET_DID_STATUS(bsg_reply->result, DID_BAD_TARGET); 3582 rval = -EIO; 3583 goto done; 3584 } 3585 3586 /* pass through is supported only for ISP 4Gb or higher */ 3587 if (!IS_FWI2_CAPABLE(ha)) { 3588 ql_dbg(ql_dbg_user, vha, 0x7001, 3589 "ELS passthru not supported for ISP23xx based adapters.\n"); 3590 SET_DID_STATUS(bsg_reply->result, DID_BAD_TARGET); 3591 rval = -EPERM; 3592 goto done; 3593 } 3594 3595 sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL); 3596 if (!sp) { 3597 ql_dbg(ql_dbg_user, vha, 0x7004, 3598 "Failed get sp pid=%06x\n", fcport->d_id.b24); 3599 rval = -ENOMEM; 3600 SET_DID_STATUS(bsg_reply->result, DID_IMM_RETRY); 3601 goto done; 3602 } 3603 3604 sp->remap.req.len = bsg_job->request_payload.payload_len; 3605 sp->remap.req.buf = dma_pool_alloc(ha->purex_dma_pool, 3606 GFP_KERNEL, &sp->remap.req.dma); 3607 if (!sp->remap.req.buf) { 3608 ql_dbg(ql_dbg_user, vha, 0x7005, 3609 "Failed allocate request dma len=%x\n", 3610 bsg_job->request_payload.payload_len); 3611 rval = -ENOMEM; 3612 SET_DID_STATUS(bsg_reply->result, DID_IMM_RETRY); 3613 goto done_free_sp; 3614 } 3615 3616 sp->remap.rsp.len = bsg_job->reply_payload.payload_len; 3617 sp->remap.rsp.buf = dma_pool_alloc(ha->purex_dma_pool, 3618 GFP_KERNEL, &sp->remap.rsp.dma); 3619 if (!sp->remap.rsp.buf) { 3620 ql_dbg(ql_dbg_user, vha, 0x7006, 3621 "Failed allocate response dma len=%x\n", 3622 bsg_job->reply_payload.payload_len); 3623 rval = -ENOMEM; 3624 SET_DID_STATUS(bsg_reply->result, DID_IMM_RETRY); 3625 goto done_free_remap_req; 3626 } 3627 sg_copy_to_buffer(bsg_job->request_payload.sg_list, 3628 bsg_job->request_payload.sg_cnt, sp->remap.req.buf, 3629 sp->remap.req.len); 3630 sp->remap.remapped = true; 3631 3632 sp->type = SRB_ELS_CMD_HST_NOLOGIN; 3633 sp->name = "SPCN_BSG_HST_NOLOGIN"; 3634 sp->u.bsg_cmd.bsg_job = bsg_job; 3635 qla_parse_auth_els_ctl(sp); 3636 3637 sp->free = qla2x00_bsg_sp_free; 3638 sp->done = qla2x00_bsg_job_done; 3639 3640 cnt = 0; 3641 retry: 3642 rval = qla2x00_start_sp(sp); 3643 switch (rval) { 3644 case QLA_SUCCESS: 3645 ql_dbg(ql_dbg_edif, vha, 0x700a, 3646 "%s %s %8phN xchg %x ctlflag %x hdl %x reqlen %xh bsg ptr %p\n", 3647 __func__, sc_to_str(p->e.sub_cmd), fcport->port_name, 3648 p->e.extra_rx_xchg_address, p->e.extra_control_flags, 3649 sp->handle, sp->remap.req.len, bsg_job); 3650 break; 3651 case EAGAIN: 3652 msleep(EDIF_MSLEEP_INTERVAL); 3653 cnt++; 3654 if (cnt < EDIF_RETRY_COUNT) 3655 goto retry; 3656 fallthrough; 3657 default: 3658 ql_log(ql_log_warn, vha, 0x700e, 3659 "%s qla2x00_start_sp failed = %d\n", __func__, rval); 3660 SET_DID_STATUS(bsg_reply->result, DID_IMM_RETRY); 3661 rval = -EIO; 3662 goto done_free_remap_rsp; 3663 } 3664 return rval; 3665 3666 done_free_remap_rsp: 3667 dma_pool_free(ha->purex_dma_pool, sp->remap.rsp.buf, 3668 sp->remap.rsp.dma); 3669 done_free_remap_req: 3670 dma_pool_free(ha->purex_dma_pool, sp->remap.req.buf, 3671 sp->remap.req.dma); 3672 done_free_sp: 3673 qla2x00_rel_sp(sp); 3674 3675 done: 3676 return rval; 3677 } 3678 qla_edif_sess_down(struct scsi_qla_host * vha,struct fc_port * sess)3679 void qla_edif_sess_down(struct scsi_qla_host *vha, struct fc_port *sess) 3680 { 3681 u16 cnt = 0; 3682 3683 if (sess->edif.app_sess_online && DBELL_ACTIVE(vha)) { 3684 ql_dbg(ql_dbg_disc, vha, 0xf09c, 3685 "%s: sess %8phN send port_offline event\n", 3686 __func__, sess->port_name); 3687 sess->edif.app_sess_online = 0; 3688 sess->edif.sess_down_acked = 0; 3689 qla_edb_eventcreate(vha, VND_CMD_AUTH_STATE_SESSION_SHUTDOWN, 3690 sess->d_id.b24, 0, sess); 3691 qla2x00_post_aen_work(vha, FCH_EVT_PORT_OFFLINE, sess->d_id.b24); 3692 3693 while (!READ_ONCE(sess->edif.sess_down_acked) && 3694 !test_bit(VPORT_DELETE, &vha->dpc_flags)) { 3695 msleep(100); 3696 cnt++; 3697 if (cnt > 100) 3698 break; 3699 } 3700 sess->edif.sess_down_acked = 0; 3701 ql_dbg(ql_dbg_disc, vha, 0xf09c, 3702 "%s: sess %8phN port_offline event completed\n", 3703 __func__, sess->port_name); 3704 } 3705 } 3706 qla_edif_clear_appdata(struct scsi_qla_host * vha,struct fc_port * fcport)3707 void qla_edif_clear_appdata(struct scsi_qla_host *vha, struct fc_port *fcport) 3708 { 3709 if (!(fcport->flags & FCF_FCSP_DEVICE)) 3710 return; 3711 3712 qla_edb_clear(vha, fcport->d_id); 3713 qla_enode_clear(vha, fcport->d_id); 3714 } 3715