1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 3 * QLogic Fibre Channel HBA Driver 4 * Copyright (c) 2003-2014 QLogic Corporation 5 */ 6 #include "qla_def.h" 7 #include "qla_gbl.h" 8 9 #include <linux/delay.h> 10 #include <linux/slab.h> 11 #include <linux/vmalloc.h> 12 13 #include "qla_devtbl.h" 14 15 #ifdef CONFIG_SPARC 16 #include <asm/prom.h> 17 #endif 18 19 #include "qla_target.h" 20 21 /* 22 * QLogic ISP2x00 Hardware Support Function Prototypes. 23 */ 24 static int qla2x00_isp_firmware(scsi_qla_host_t *); 25 static int qla2x00_setup_chip(scsi_qla_host_t *); 26 static int qla2x00_fw_ready(scsi_qla_host_t *); 27 static int qla2x00_configure_hba(scsi_qla_host_t *); 28 static int qla2x00_configure_loop(scsi_qla_host_t *); 29 static int qla2x00_configure_local_loop(scsi_qla_host_t *); 30 static int qla2x00_configure_fabric(scsi_qla_host_t *); 31 static int qla2x00_find_all_fabric_devs(scsi_qla_host_t *); 32 static int qla2x00_restart_isp(scsi_qla_host_t *); 33 34 static struct qla_chip_state_84xx *qla84xx_get_chip(struct scsi_qla_host *); 35 static int qla84xx_init_chip(scsi_qla_host_t *); 36 static int qla25xx_init_queues(struct qla_hw_data *); 37 static void qla24xx_handle_gpdb_event(scsi_qla_host_t *vha, 38 struct event_arg *ea); 39 static void qla24xx_handle_prli_done_event(struct scsi_qla_host *, 40 struct event_arg *); 41 static void __qla24xx_handle_gpdb_event(scsi_qla_host_t *, struct event_arg *); 42 43 /* SRB Extensions ---------------------------------------------------------- */ 44 45 void 46 qla2x00_sp_timeout(struct timer_list *t) 47 { 48 srb_t *sp = from_timer(sp, t, u.iocb_cmd.timer); 49 struct srb_iocb *iocb; 50 scsi_qla_host_t *vha = sp->vha; 51 52 WARN_ON(irqs_disabled()); 53 iocb = &sp->u.iocb_cmd; 54 iocb->timeout(sp); 55 56 /* ref: TMR */ 57 kref_put(&sp->cmd_kref, qla2x00_sp_release); 58 59 if (vha && qla2x00_isp_reg_stat(vha->hw)) { 60 ql_log(ql_log_info, vha, 0x9008, 61 "PCI/Register disconnect.\n"); 62 qla_pci_set_eeh_busy(vha); 63 } 64 } 65 66 void qla2x00_sp_free(srb_t *sp) 67 { 68 struct srb_iocb *iocb = &sp->u.iocb_cmd; 69 70 del_timer(&iocb->timer); 71 qla2x00_rel_sp(sp); 72 } 73 74 void qla2xxx_rel_done_warning(srb_t *sp, int res) 75 { 76 WARN_ONCE(1, "Calling done() of an already freed srb %p object\n", sp); 77 } 78 79 void qla2xxx_rel_free_warning(srb_t *sp) 80 { 81 WARN_ONCE(1, "Calling free() of an already freed srb %p object\n", sp); 82 } 83 84 /* Asynchronous Login/Logout Routines -------------------------------------- */ 85 86 unsigned long 87 qla2x00_get_async_timeout(struct scsi_qla_host *vha) 88 { 89 unsigned long tmo; 90 struct qla_hw_data *ha = vha->hw; 91 92 /* Firmware should use switch negotiated r_a_tov for timeout. */ 93 tmo = ha->r_a_tov / 10 * 2; 94 if (IS_QLAFX00(ha)) { 95 tmo = FX00_DEF_RATOV * 2; 96 } else if (!IS_FWI2_CAPABLE(ha)) { 97 /* 98 * Except for earlier ISPs where the timeout is seeded from the 99 * initialization control block. 100 */ 101 tmo = ha->login_timeout; 102 } 103 return tmo; 104 } 105 106 static void qla24xx_abort_iocb_timeout(void *data) 107 { 108 srb_t *sp = data; 109 struct srb_iocb *abt = &sp->u.iocb_cmd; 110 struct qla_qpair *qpair = sp->qpair; 111 u32 handle; 112 unsigned long flags; 113 int sp_found = 0, cmdsp_found = 0; 114 115 if (sp->cmd_sp) 116 ql_dbg(ql_dbg_async, sp->vha, 0x507c, 117 "Abort timeout - cmd hdl=%x, cmd type=%x hdl=%x, type=%x\n", 118 sp->cmd_sp->handle, sp->cmd_sp->type, 119 sp->handle, sp->type); 120 else 121 ql_dbg(ql_dbg_async, sp->vha, 0x507c, 122 "Abort timeout 2 - hdl=%x, type=%x\n", 123 sp->handle, sp->type); 124 125 spin_lock_irqsave(qpair->qp_lock_ptr, flags); 126 for (handle = 1; handle < qpair->req->num_outstanding_cmds; handle++) { 127 if (sp->cmd_sp && (qpair->req->outstanding_cmds[handle] == 128 sp->cmd_sp)) { 129 qpair->req->outstanding_cmds[handle] = NULL; 130 cmdsp_found = 1; 131 qla_put_fw_resources(qpair, &sp->cmd_sp->iores); 132 } 133 134 /* removing the abort */ 135 if (qpair->req->outstanding_cmds[handle] == sp) { 136 qpair->req->outstanding_cmds[handle] = NULL; 137 sp_found = 1; 138 qla_put_fw_resources(qpair, &sp->iores); 139 break; 140 } 141 } 142 spin_unlock_irqrestore(qpair->qp_lock_ptr, flags); 143 144 if (cmdsp_found && sp->cmd_sp) { 145 /* 146 * This done function should take care of 147 * original command ref: INIT 148 */ 149 sp->cmd_sp->done(sp->cmd_sp, QLA_OS_TIMER_EXPIRED); 150 } 151 152 if (sp_found) { 153 abt->u.abt.comp_status = cpu_to_le16(CS_TIMEOUT); 154 sp->done(sp, QLA_OS_TIMER_EXPIRED); 155 } 156 } 157 158 static void qla24xx_abort_sp_done(srb_t *sp, int res) 159 { 160 struct srb_iocb *abt = &sp->u.iocb_cmd; 161 srb_t *orig_sp = sp->cmd_sp; 162 163 if (orig_sp) 164 qla_wait_nvme_release_cmd_kref(orig_sp); 165 166 if (sp->flags & SRB_WAKEUP_ON_COMP) 167 complete(&abt->u.abt.comp); 168 else 169 /* ref: INIT */ 170 kref_put(&sp->cmd_kref, qla2x00_sp_release); 171 } 172 173 int qla24xx_async_abort_cmd(srb_t *cmd_sp, bool wait) 174 { 175 scsi_qla_host_t *vha = cmd_sp->vha; 176 struct srb_iocb *abt_iocb; 177 srb_t *sp; 178 int rval = QLA_FUNCTION_FAILED; 179 180 /* ref: INIT for ABTS command */ 181 sp = qla2xxx_get_qpair_sp(cmd_sp->vha, cmd_sp->qpair, cmd_sp->fcport, 182 GFP_ATOMIC); 183 if (!sp) 184 return QLA_MEMORY_ALLOC_FAILED; 185 186 qla_vha_mark_busy(vha); 187 abt_iocb = &sp->u.iocb_cmd; 188 sp->type = SRB_ABT_CMD; 189 sp->name = "abort"; 190 sp->qpair = cmd_sp->qpair; 191 sp->cmd_sp = cmd_sp; 192 if (wait) 193 sp->flags = SRB_WAKEUP_ON_COMP; 194 195 init_completion(&abt_iocb->u.abt.comp); 196 /* FW can send 2 x ABTS's timeout/20s */ 197 qla2x00_init_async_sp(sp, 42, qla24xx_abort_sp_done); 198 sp->u.iocb_cmd.timeout = qla24xx_abort_iocb_timeout; 199 200 abt_iocb->u.abt.cmd_hndl = cmd_sp->handle; 201 abt_iocb->u.abt.req_que_no = cpu_to_le16(cmd_sp->qpair->req->id); 202 203 ql_dbg(ql_dbg_async, vha, 0x507c, 204 "Abort command issued - hdl=%x, type=%x\n", cmd_sp->handle, 205 cmd_sp->type); 206 207 rval = qla2x00_start_sp(sp); 208 if (rval != QLA_SUCCESS) { 209 /* ref: INIT */ 210 kref_put(&sp->cmd_kref, qla2x00_sp_release); 211 return rval; 212 } 213 214 if (wait) { 215 wait_for_completion(&abt_iocb->u.abt.comp); 216 rval = abt_iocb->u.abt.comp_status == CS_COMPLETE ? 217 QLA_SUCCESS : QLA_ERR_FROM_FW; 218 /* ref: INIT */ 219 kref_put(&sp->cmd_kref, qla2x00_sp_release); 220 } 221 222 return rval; 223 } 224 225 void 226 qla2x00_async_iocb_timeout(void *data) 227 { 228 srb_t *sp = data; 229 fc_port_t *fcport = sp->fcport; 230 struct srb_iocb *lio = &sp->u.iocb_cmd; 231 int rc, h; 232 unsigned long flags; 233 234 if (fcport) { 235 ql_dbg(ql_dbg_disc, fcport->vha, 0x2071, 236 "Async-%s timeout - hdl=%x portid=%06x %8phC.\n", 237 sp->name, sp->handle, fcport->d_id.b24, fcport->port_name); 238 239 fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE); 240 } else { 241 pr_info("Async-%s timeout - hdl=%x.\n", 242 sp->name, sp->handle); 243 } 244 245 switch (sp->type) { 246 case SRB_LOGIN_CMD: 247 rc = qla24xx_async_abort_cmd(sp, false); 248 if (rc) { 249 /* Retry as needed. */ 250 lio->u.logio.data[0] = MBS_COMMAND_ERROR; 251 lio->u.logio.data[1] = 252 lio->u.logio.flags & SRB_LOGIN_RETRIED ? 253 QLA_LOGIO_LOGIN_RETRIED : 0; 254 spin_lock_irqsave(sp->qpair->qp_lock_ptr, flags); 255 for (h = 1; h < sp->qpair->req->num_outstanding_cmds; 256 h++) { 257 if (sp->qpair->req->outstanding_cmds[h] == 258 sp) { 259 sp->qpair->req->outstanding_cmds[h] = 260 NULL; 261 break; 262 } 263 } 264 spin_unlock_irqrestore(sp->qpair->qp_lock_ptr, flags); 265 sp->done(sp, QLA_FUNCTION_TIMEOUT); 266 } 267 break; 268 case SRB_LOGOUT_CMD: 269 case SRB_CT_PTHRU_CMD: 270 case SRB_MB_IOCB: 271 case SRB_NACK_PLOGI: 272 case SRB_NACK_PRLI: 273 case SRB_NACK_LOGO: 274 case SRB_CTRL_VP: 275 default: 276 rc = qla24xx_async_abort_cmd(sp, false); 277 if (rc) { 278 spin_lock_irqsave(sp->qpair->qp_lock_ptr, flags); 279 for (h = 1; h < sp->qpair->req->num_outstanding_cmds; 280 h++) { 281 if (sp->qpair->req->outstanding_cmds[h] == 282 sp) { 283 sp->qpair->req->outstanding_cmds[h] = 284 NULL; 285 break; 286 } 287 } 288 spin_unlock_irqrestore(sp->qpair->qp_lock_ptr, flags); 289 sp->done(sp, QLA_FUNCTION_TIMEOUT); 290 } 291 break; 292 } 293 } 294 295 static void qla2x00_async_login_sp_done(srb_t *sp, int res) 296 { 297 struct scsi_qla_host *vha = sp->vha; 298 struct srb_iocb *lio = &sp->u.iocb_cmd; 299 struct event_arg ea; 300 301 ql_dbg(ql_dbg_disc, vha, 0x20dd, 302 "%s %8phC res %d \n", __func__, sp->fcport->port_name, res); 303 304 sp->fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE); 305 306 if (!test_bit(UNLOADING, &vha->dpc_flags)) { 307 memset(&ea, 0, sizeof(ea)); 308 ea.fcport = sp->fcport; 309 ea.data[0] = lio->u.logio.data[0]; 310 ea.data[1] = lio->u.logio.data[1]; 311 ea.iop[0] = lio->u.logio.iop[0]; 312 ea.iop[1] = lio->u.logio.iop[1]; 313 ea.sp = sp; 314 if (res) 315 ea.data[0] = MBS_COMMAND_ERROR; 316 qla24xx_handle_plogi_done_event(vha, &ea); 317 } 318 319 /* ref: INIT */ 320 kref_put(&sp->cmd_kref, qla2x00_sp_release); 321 } 322 323 int 324 qla2x00_async_login(struct scsi_qla_host *vha, fc_port_t *fcport, 325 uint16_t *data) 326 { 327 srb_t *sp; 328 struct srb_iocb *lio; 329 int rval = QLA_FUNCTION_FAILED; 330 331 if (!vha->flags.online || (fcport->flags & FCF_ASYNC_SENT) || 332 fcport->loop_id == FC_NO_LOOP_ID) { 333 ql_log(ql_log_warn, vha, 0xffff, 334 "%s: %8phC - not sending command.\n", 335 __func__, fcport->port_name); 336 return rval; 337 } 338 339 /* ref: INIT */ 340 sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL); 341 if (!sp) 342 goto done; 343 344 qla2x00_set_fcport_disc_state(fcport, DSC_LOGIN_PEND); 345 fcport->flags |= FCF_ASYNC_SENT; 346 fcport->logout_completed = 0; 347 348 sp->type = SRB_LOGIN_CMD; 349 sp->name = "login"; 350 sp->gen1 = fcport->rscn_gen; 351 sp->gen2 = fcport->login_gen; 352 qla2x00_init_async_sp(sp, qla2x00_get_async_timeout(vha) + 2, 353 qla2x00_async_login_sp_done); 354 355 lio = &sp->u.iocb_cmd; 356 if (N2N_TOPO(fcport->vha->hw) && fcport_is_bigger(fcport)) { 357 lio->u.logio.flags |= SRB_LOGIN_PRLI_ONLY; 358 } else { 359 if (vha->hw->flags.edif_enabled && 360 DBELL_ACTIVE(vha)) { 361 lio->u.logio.flags |= 362 (SRB_LOGIN_FCSP | SRB_LOGIN_SKIP_PRLI); 363 } else { 364 lio->u.logio.flags |= SRB_LOGIN_COND_PLOGI; 365 } 366 } 367 368 if (NVME_TARGET(vha->hw, fcport)) 369 lio->u.logio.flags |= SRB_LOGIN_SKIP_PRLI; 370 371 rval = qla2x00_start_sp(sp); 372 373 ql_dbg(ql_dbg_disc, vha, 0x2072, 374 "Async-login - %8phC hdl=%x, loopid=%x portid=%06x retries=%d %s.\n", 375 fcport->port_name, sp->handle, fcport->loop_id, 376 fcport->d_id.b24, fcport->login_retry, 377 lio->u.logio.flags & SRB_LOGIN_FCSP ? "FCSP" : ""); 378 379 if (rval != QLA_SUCCESS) { 380 fcport->flags |= FCF_LOGIN_NEEDED; 381 set_bit(RELOGIN_NEEDED, &vha->dpc_flags); 382 goto done_free_sp; 383 } 384 385 return rval; 386 387 done_free_sp: 388 /* ref: INIT */ 389 kref_put(&sp->cmd_kref, qla2x00_sp_release); 390 fcport->flags &= ~FCF_ASYNC_SENT; 391 done: 392 fcport->flags &= ~FCF_ASYNC_ACTIVE; 393 394 /* 395 * async login failed. Could be due to iocb/exchange resource 396 * being low. Set state DELETED for re-login process to start again. 397 */ 398 qla2x00_set_fcport_disc_state(fcport, DSC_DELETED); 399 return rval; 400 } 401 402 static void qla2x00_async_logout_sp_done(srb_t *sp, int res) 403 { 404 sp->fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE); 405 sp->fcport->login_gen++; 406 qlt_logo_completion_handler(sp->fcport, sp->u.iocb_cmd.u.logio.data[0]); 407 /* ref: INIT */ 408 kref_put(&sp->cmd_kref, qla2x00_sp_release); 409 } 410 411 int 412 qla2x00_async_logout(struct scsi_qla_host *vha, fc_port_t *fcport) 413 { 414 srb_t *sp; 415 int rval = QLA_FUNCTION_FAILED; 416 417 fcport->flags |= FCF_ASYNC_SENT; 418 /* ref: INIT */ 419 sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL); 420 if (!sp) 421 goto done; 422 423 sp->type = SRB_LOGOUT_CMD; 424 sp->name = "logout"; 425 qla2x00_init_async_sp(sp, qla2x00_get_async_timeout(vha) + 2, 426 qla2x00_async_logout_sp_done), 427 428 ql_dbg(ql_dbg_disc, vha, 0x2070, 429 "Async-logout - hdl=%x loop-id=%x portid=%02x%02x%02x %8phC explicit %d.\n", 430 sp->handle, fcport->loop_id, fcport->d_id.b.domain, 431 fcport->d_id.b.area, fcport->d_id.b.al_pa, 432 fcport->port_name, fcport->explicit_logout); 433 434 rval = qla2x00_start_sp(sp); 435 if (rval != QLA_SUCCESS) 436 goto done_free_sp; 437 return rval; 438 439 done_free_sp: 440 /* ref: INIT */ 441 kref_put(&sp->cmd_kref, qla2x00_sp_release); 442 done: 443 fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE); 444 return rval; 445 } 446 447 void 448 qla2x00_async_prlo_done(struct scsi_qla_host *vha, fc_port_t *fcport, 449 uint16_t *data) 450 { 451 fcport->flags &= ~FCF_ASYNC_ACTIVE; 452 /* Don't re-login in target mode */ 453 if (!fcport->tgt_session) 454 qla2x00_mark_device_lost(vha, fcport, 1); 455 qlt_logo_completion_handler(fcport, data[0]); 456 } 457 458 static void qla2x00_async_prlo_sp_done(srb_t *sp, int res) 459 { 460 struct srb_iocb *lio = &sp->u.iocb_cmd; 461 struct scsi_qla_host *vha = sp->vha; 462 463 sp->fcport->flags &= ~FCF_ASYNC_ACTIVE; 464 if (!test_bit(UNLOADING, &vha->dpc_flags)) 465 qla2x00_post_async_prlo_done_work(sp->fcport->vha, sp->fcport, 466 lio->u.logio.data); 467 /* ref: INIT */ 468 kref_put(&sp->cmd_kref, qla2x00_sp_release); 469 } 470 471 int 472 qla2x00_async_prlo(struct scsi_qla_host *vha, fc_port_t *fcport) 473 { 474 srb_t *sp; 475 int rval; 476 477 rval = QLA_FUNCTION_FAILED; 478 /* ref: INIT */ 479 sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL); 480 if (!sp) 481 goto done; 482 483 sp->type = SRB_PRLO_CMD; 484 sp->name = "prlo"; 485 qla2x00_init_async_sp(sp, qla2x00_get_async_timeout(vha) + 2, 486 qla2x00_async_prlo_sp_done); 487 488 ql_dbg(ql_dbg_disc, vha, 0x2070, 489 "Async-prlo - hdl=%x loop-id=%x portid=%02x%02x%02x.\n", 490 sp->handle, fcport->loop_id, fcport->d_id.b.domain, 491 fcport->d_id.b.area, fcport->d_id.b.al_pa); 492 493 rval = qla2x00_start_sp(sp); 494 if (rval != QLA_SUCCESS) 495 goto done_free_sp; 496 497 return rval; 498 499 done_free_sp: 500 /* ref: INIT */ 501 kref_put(&sp->cmd_kref, qla2x00_sp_release); 502 done: 503 fcport->flags &= ~FCF_ASYNC_ACTIVE; 504 return rval; 505 } 506 507 static 508 void qla24xx_handle_adisc_event(scsi_qla_host_t *vha, struct event_arg *ea) 509 { 510 struct fc_port *fcport = ea->fcport; 511 unsigned long flags; 512 513 ql_dbg(ql_dbg_disc, vha, 0x20d2, 514 "%s %8phC DS %d LS %d rc %d login %d|%d rscn %d|%d lid %d\n", 515 __func__, fcport->port_name, fcport->disc_state, 516 fcport->fw_login_state, ea->rc, fcport->login_gen, ea->sp->gen2, 517 fcport->rscn_gen, ea->sp->gen1, fcport->loop_id); 518 519 WARN_ONCE(!qla2xxx_is_valid_mbs(ea->data[0]), "mbs: %#x\n", 520 ea->data[0]); 521 522 if (ea->data[0] != MBS_COMMAND_COMPLETE) { 523 ql_dbg(ql_dbg_disc, vha, 0x2066, 524 "%s %8phC: adisc fail: post delete\n", 525 __func__, ea->fcport->port_name); 526 527 spin_lock_irqsave(&vha->work_lock, flags); 528 /* deleted = 0 & logout_on_delete = force fw cleanup */ 529 if (fcport->deleted == QLA_SESS_DELETED) 530 fcport->deleted = 0; 531 532 fcport->logout_on_delete = 1; 533 spin_unlock_irqrestore(&vha->work_lock, flags); 534 535 qlt_schedule_sess_for_deletion(ea->fcport); 536 return; 537 } 538 539 if (ea->fcport->disc_state == DSC_DELETE_PEND) 540 return; 541 542 if (ea->sp->gen2 != ea->fcport->login_gen) { 543 /* target side must have changed it. */ 544 ql_dbg(ql_dbg_disc, vha, 0x20d3, 545 "%s %8phC generation changed\n", 546 __func__, ea->fcport->port_name); 547 return; 548 } else if (ea->sp->gen1 != ea->fcport->rscn_gen) { 549 qla_rscn_replay(fcport); 550 qlt_schedule_sess_for_deletion(fcport); 551 return; 552 } 553 554 __qla24xx_handle_gpdb_event(vha, ea); 555 } 556 557 static int qla_post_els_plogi_work(struct scsi_qla_host *vha, fc_port_t *fcport) 558 { 559 struct qla_work_evt *e; 560 561 e = qla2x00_alloc_work(vha, QLA_EVT_ELS_PLOGI); 562 if (!e) 563 return QLA_FUNCTION_FAILED; 564 565 e->u.fcport.fcport = fcport; 566 fcport->flags |= FCF_ASYNC_ACTIVE; 567 qla2x00_set_fcport_disc_state(fcport, DSC_LOGIN_PEND); 568 return qla2x00_post_work(vha, e); 569 } 570 571 static void qla2x00_async_adisc_sp_done(srb_t *sp, int res) 572 { 573 struct scsi_qla_host *vha = sp->vha; 574 struct event_arg ea; 575 struct srb_iocb *lio = &sp->u.iocb_cmd; 576 577 ql_dbg(ql_dbg_disc, vha, 0x2066, 578 "Async done-%s res %x %8phC\n", 579 sp->name, res, sp->fcport->port_name); 580 581 sp->fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE); 582 583 memset(&ea, 0, sizeof(ea)); 584 ea.rc = res; 585 ea.data[0] = lio->u.logio.data[0]; 586 ea.data[1] = lio->u.logio.data[1]; 587 ea.iop[0] = lio->u.logio.iop[0]; 588 ea.iop[1] = lio->u.logio.iop[1]; 589 ea.fcport = sp->fcport; 590 ea.sp = sp; 591 if (res) 592 ea.data[0] = MBS_COMMAND_ERROR; 593 594 qla24xx_handle_adisc_event(vha, &ea); 595 /* ref: INIT */ 596 kref_put(&sp->cmd_kref, qla2x00_sp_release); 597 } 598 599 int 600 qla2x00_async_adisc(struct scsi_qla_host *vha, fc_port_t *fcport, 601 uint16_t *data) 602 { 603 srb_t *sp; 604 struct srb_iocb *lio; 605 int rval = QLA_FUNCTION_FAILED; 606 607 if (IS_SESSION_DELETED(fcport)) { 608 ql_log(ql_log_warn, vha, 0xffff, 609 "%s: %8phC is being delete - not sending command.\n", 610 __func__, fcport->port_name); 611 fcport->flags &= ~FCF_ASYNC_ACTIVE; 612 return rval; 613 } 614 615 if (!vha->flags.online || (fcport->flags & FCF_ASYNC_SENT)) 616 return rval; 617 618 fcport->flags |= FCF_ASYNC_SENT; 619 /* ref: INIT */ 620 sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL); 621 if (!sp) 622 goto done; 623 624 sp->type = SRB_ADISC_CMD; 625 sp->name = "adisc"; 626 sp->gen1 = fcport->rscn_gen; 627 sp->gen2 = fcport->login_gen; 628 qla2x00_init_async_sp(sp, qla2x00_get_async_timeout(vha) + 2, 629 qla2x00_async_adisc_sp_done); 630 631 if (data[1] & QLA_LOGIO_LOGIN_RETRIED) { 632 lio = &sp->u.iocb_cmd; 633 lio->u.logio.flags |= SRB_LOGIN_RETRIED; 634 } 635 636 ql_dbg(ql_dbg_disc, vha, 0x206f, 637 "Async-adisc - hdl=%x loopid=%x portid=%06x %8phC.\n", 638 sp->handle, fcport->loop_id, fcport->d_id.b24, fcport->port_name); 639 640 rval = qla2x00_start_sp(sp); 641 if (rval != QLA_SUCCESS) 642 goto done_free_sp; 643 644 return rval; 645 646 done_free_sp: 647 /* ref: INIT */ 648 kref_put(&sp->cmd_kref, qla2x00_sp_release); 649 done: 650 fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE); 651 qla2x00_post_async_adisc_work(vha, fcport, data); 652 return rval; 653 } 654 655 static bool qla2x00_is_reserved_id(scsi_qla_host_t *vha, uint16_t loop_id) 656 { 657 struct qla_hw_data *ha = vha->hw; 658 659 if (IS_FWI2_CAPABLE(ha)) 660 return loop_id > NPH_LAST_HANDLE; 661 662 return (loop_id > ha->max_loop_id && loop_id < SNS_FIRST_LOOP_ID) || 663 loop_id == MANAGEMENT_SERVER || loop_id == BROADCAST; 664 } 665 666 /** 667 * qla2x00_find_new_loop_id - scan through our port list and find a new usable loop ID 668 * @vha: adapter state pointer. 669 * @dev: port structure pointer. 670 * 671 * Returns: 672 * qla2x00 local function return status code. 673 * 674 * Context: 675 * Kernel context. 676 */ 677 static int qla2x00_find_new_loop_id(scsi_qla_host_t *vha, fc_port_t *dev) 678 { 679 int rval; 680 struct qla_hw_data *ha = vha->hw; 681 unsigned long flags = 0; 682 683 rval = QLA_SUCCESS; 684 685 spin_lock_irqsave(&ha->vport_slock, flags); 686 687 dev->loop_id = find_first_zero_bit(ha->loop_id_map, LOOPID_MAP_SIZE); 688 if (dev->loop_id >= LOOPID_MAP_SIZE || 689 qla2x00_is_reserved_id(vha, dev->loop_id)) { 690 dev->loop_id = FC_NO_LOOP_ID; 691 rval = QLA_FUNCTION_FAILED; 692 } else { 693 set_bit(dev->loop_id, ha->loop_id_map); 694 } 695 spin_unlock_irqrestore(&ha->vport_slock, flags); 696 697 if (rval == QLA_SUCCESS) 698 ql_dbg(ql_dbg_disc, dev->vha, 0x2086, 699 "Assigning new loopid=%x, portid=%x.\n", 700 dev->loop_id, dev->d_id.b24); 701 else 702 ql_log(ql_log_warn, dev->vha, 0x2087, 703 "No loop_id's available, portid=%x.\n", 704 dev->d_id.b24); 705 706 return rval; 707 } 708 709 void qla2x00_clear_loop_id(fc_port_t *fcport) 710 { 711 struct qla_hw_data *ha = fcport->vha->hw; 712 713 if (fcport->loop_id == FC_NO_LOOP_ID || 714 qla2x00_is_reserved_id(fcport->vha, fcport->loop_id)) 715 return; 716 717 clear_bit(fcport->loop_id, ha->loop_id_map); 718 fcport->loop_id = FC_NO_LOOP_ID; 719 } 720 721 static void qla24xx_handle_gnl_done_event(scsi_qla_host_t *vha, 722 struct event_arg *ea) 723 { 724 fc_port_t *fcport, *conflict_fcport; 725 struct get_name_list_extended *e; 726 u16 i, n, found = 0, loop_id; 727 port_id_t id; 728 u64 wwn; 729 u16 data[2]; 730 u8 current_login_state, nvme_cls; 731 732 fcport = ea->fcport; 733 ql_dbg(ql_dbg_disc, vha, 0xffff, 734 "%s %8phC DS %d LS rc %d %d login %d|%d rscn %d|%d lid %d edif %d\n", 735 __func__, fcport->port_name, fcport->disc_state, 736 fcport->fw_login_state, ea->rc, 737 fcport->login_gen, fcport->last_login_gen, 738 fcport->rscn_gen, fcport->last_rscn_gen, vha->loop_id, fcport->edif.enable); 739 740 if (fcport->disc_state == DSC_DELETE_PEND) 741 return; 742 743 if (ea->rc) { /* rval */ 744 if (fcport->login_retry == 0) { 745 ql_dbg(ql_dbg_disc, vha, 0x20de, 746 "GNL failed Port login retry %8phN, retry cnt=%d.\n", 747 fcport->port_name, fcport->login_retry); 748 } 749 return; 750 } 751 752 if (fcport->last_rscn_gen != fcport->rscn_gen) { 753 qla_rscn_replay(fcport); 754 qlt_schedule_sess_for_deletion(fcport); 755 return; 756 } else if (fcport->last_login_gen != fcport->login_gen) { 757 ql_dbg(ql_dbg_disc, vha, 0x20e0, 758 "%s %8phC login gen changed\n", 759 __func__, fcport->port_name); 760 set_bit(RELOGIN_NEEDED, &vha->dpc_flags); 761 return; 762 } 763 764 n = ea->data[0] / sizeof(struct get_name_list_extended); 765 766 ql_dbg(ql_dbg_disc, vha, 0x20e1, 767 "%s %d %8phC n %d %02x%02x%02x lid %d \n", 768 __func__, __LINE__, fcport->port_name, n, 769 fcport->d_id.b.domain, fcport->d_id.b.area, 770 fcport->d_id.b.al_pa, fcport->loop_id); 771 772 for (i = 0; i < n; i++) { 773 e = &vha->gnl.l[i]; 774 wwn = wwn_to_u64(e->port_name); 775 id.b.domain = e->port_id[2]; 776 id.b.area = e->port_id[1]; 777 id.b.al_pa = e->port_id[0]; 778 id.b.rsvd_1 = 0; 779 780 if (memcmp((u8 *)&wwn, fcport->port_name, WWN_SIZE)) 781 continue; 782 783 if (IS_SW_RESV_ADDR(id)) 784 continue; 785 786 found = 1; 787 788 loop_id = le16_to_cpu(e->nport_handle); 789 loop_id = (loop_id & 0x7fff); 790 nvme_cls = e->current_login_state >> 4; 791 current_login_state = e->current_login_state & 0xf; 792 793 if (PRLI_PHASE(nvme_cls)) { 794 current_login_state = nvme_cls; 795 fcport->fc4_type &= ~FS_FC4TYPE_FCP; 796 fcport->fc4_type |= FS_FC4TYPE_NVME; 797 } else if (PRLI_PHASE(current_login_state)) { 798 fcport->fc4_type |= FS_FC4TYPE_FCP; 799 fcport->fc4_type &= ~FS_FC4TYPE_NVME; 800 } 801 802 ql_dbg(ql_dbg_disc, vha, 0x20e2, 803 "%s found %8phC CLS [%x|%x] fc4_type %d ID[%06x|%06x] lid[%d|%d]\n", 804 __func__, fcport->port_name, 805 e->current_login_state, fcport->fw_login_state, 806 fcport->fc4_type, id.b24, fcport->d_id.b24, 807 loop_id, fcport->loop_id); 808 809 switch (fcport->disc_state) { 810 case DSC_DELETE_PEND: 811 case DSC_DELETED: 812 break; 813 default: 814 if ((id.b24 != fcport->d_id.b24 && 815 fcport->d_id.b24 && 816 fcport->loop_id != FC_NO_LOOP_ID) || 817 (fcport->loop_id != FC_NO_LOOP_ID && 818 fcport->loop_id != loop_id)) { 819 ql_dbg(ql_dbg_disc, vha, 0x20e3, 820 "%s %d %8phC post del sess\n", 821 __func__, __LINE__, fcport->port_name); 822 if (fcport->n2n_flag) 823 fcport->d_id.b24 = 0; 824 qlt_schedule_sess_for_deletion(fcport); 825 return; 826 } 827 break; 828 } 829 830 fcport->loop_id = loop_id; 831 if (fcport->n2n_flag) 832 fcport->d_id.b24 = id.b24; 833 834 wwn = wwn_to_u64(fcport->port_name); 835 qlt_find_sess_invalidate_other(vha, wwn, 836 id, loop_id, &conflict_fcport); 837 838 if (conflict_fcport) { 839 /* 840 * Another share fcport share the same loop_id & 841 * nport id. Conflict fcport needs to finish 842 * cleanup before this fcport can proceed to login. 843 */ 844 conflict_fcport->conflict = fcport; 845 fcport->login_pause = 1; 846 } 847 848 switch (vha->hw->current_topology) { 849 default: 850 switch (current_login_state) { 851 case DSC_LS_PRLI_COMP: 852 ql_dbg(ql_dbg_disc, 853 vha, 0x20e4, "%s %d %8phC post gpdb\n", 854 __func__, __LINE__, fcport->port_name); 855 856 if ((e->prli_svc_param_word_3[0] & BIT_4) == 0) 857 fcport->port_type = FCT_INITIATOR; 858 else 859 fcport->port_type = FCT_TARGET; 860 data[0] = data[1] = 0; 861 qla2x00_post_async_adisc_work(vha, fcport, 862 data); 863 break; 864 case DSC_LS_PLOGI_COMP: 865 if (vha->hw->flags.edif_enabled) { 866 /* check to see if App support Secure */ 867 qla24xx_post_gpdb_work(vha, fcport, 0); 868 break; 869 } 870 fallthrough; 871 case DSC_LS_PORT_UNAVAIL: 872 default: 873 if (fcport->loop_id == FC_NO_LOOP_ID) { 874 qla2x00_find_new_loop_id(vha, fcport); 875 fcport->fw_login_state = 876 DSC_LS_PORT_UNAVAIL; 877 } 878 ql_dbg(ql_dbg_disc, vha, 0x20e5, 879 "%s %d %8phC\n", __func__, __LINE__, 880 fcport->port_name); 881 qla24xx_fcport_handle_login(vha, fcport); 882 break; 883 } 884 break; 885 case ISP_CFG_N: 886 fcport->fw_login_state = current_login_state; 887 fcport->d_id = id; 888 switch (current_login_state) { 889 case DSC_LS_PRLI_PEND: 890 /* 891 * In the middle of PRLI. Let it finish. 892 * Allow relogin code to recheck state again 893 * with GNL. Push disc_state back to DELETED 894 * so GNL can go out again 895 */ 896 qla2x00_set_fcport_disc_state(fcport, 897 DSC_DELETED); 898 set_bit(RELOGIN_NEEDED, &vha->dpc_flags); 899 break; 900 case DSC_LS_PRLI_COMP: 901 if ((e->prli_svc_param_word_3[0] & BIT_4) == 0) 902 fcport->port_type = FCT_INITIATOR; 903 else 904 fcport->port_type = FCT_TARGET; 905 906 data[0] = data[1] = 0; 907 qla2x00_post_async_adisc_work(vha, fcport, 908 data); 909 break; 910 case DSC_LS_PLOGI_COMP: 911 if (vha->hw->flags.edif_enabled && 912 DBELL_ACTIVE(vha)) { 913 /* check to see if App support secure or not */ 914 qla24xx_post_gpdb_work(vha, fcport, 0); 915 break; 916 } 917 if (fcport_is_bigger(fcport)) { 918 /* local adapter is smaller */ 919 if (fcport->loop_id != FC_NO_LOOP_ID) 920 qla2x00_clear_loop_id(fcport); 921 922 fcport->loop_id = loop_id; 923 qla24xx_fcport_handle_login(vha, 924 fcport); 925 break; 926 } 927 fallthrough; 928 default: 929 if (fcport_is_smaller(fcport)) { 930 /* local adapter is bigger */ 931 if (fcport->loop_id != FC_NO_LOOP_ID) 932 qla2x00_clear_loop_id(fcport); 933 934 fcport->loop_id = loop_id; 935 qla24xx_fcport_handle_login(vha, 936 fcport); 937 } 938 break; 939 } 940 break; 941 } /* switch (ha->current_topology) */ 942 } 943 944 if (!found) { 945 switch (vha->hw->current_topology) { 946 case ISP_CFG_F: 947 case ISP_CFG_FL: 948 for (i = 0; i < n; i++) { 949 e = &vha->gnl.l[i]; 950 id.b.domain = e->port_id[0]; 951 id.b.area = e->port_id[1]; 952 id.b.al_pa = e->port_id[2]; 953 id.b.rsvd_1 = 0; 954 loop_id = le16_to_cpu(e->nport_handle); 955 956 if (fcport->d_id.b24 == id.b24) { 957 conflict_fcport = 958 qla2x00_find_fcport_by_wwpn(vha, 959 e->port_name, 0); 960 if (conflict_fcport) { 961 ql_dbg(ql_dbg_disc + ql_dbg_verbose, 962 vha, 0x20e5, 963 "%s %d %8phC post del sess\n", 964 __func__, __LINE__, 965 conflict_fcport->port_name); 966 qlt_schedule_sess_for_deletion 967 (conflict_fcport); 968 } 969 } 970 /* 971 * FW already picked this loop id for 972 * another fcport 973 */ 974 if (fcport->loop_id == loop_id) 975 fcport->loop_id = FC_NO_LOOP_ID; 976 } 977 qla24xx_fcport_handle_login(vha, fcport); 978 break; 979 case ISP_CFG_N: 980 qla2x00_set_fcport_disc_state(fcport, DSC_DELETED); 981 if (time_after_eq(jiffies, fcport->dm_login_expire)) { 982 if (fcport->n2n_link_reset_cnt < 2) { 983 fcport->n2n_link_reset_cnt++; 984 /* 985 * remote port is not sending PLOGI. 986 * Reset link to kick start his state 987 * machine 988 */ 989 set_bit(N2N_LINK_RESET, 990 &vha->dpc_flags); 991 } else { 992 if (fcport->n2n_chip_reset < 1) { 993 ql_log(ql_log_info, vha, 0x705d, 994 "Chip reset to bring laser down"); 995 set_bit(ISP_ABORT_NEEDED, 996 &vha->dpc_flags); 997 fcport->n2n_chip_reset++; 998 } else { 999 ql_log(ql_log_info, vha, 0x705d, 1000 "Remote port %8ph is not coming back\n", 1001 fcport->port_name); 1002 fcport->scan_state = 0; 1003 } 1004 } 1005 qla2xxx_wake_dpc(vha); 1006 } else { 1007 /* 1008 * report port suppose to do PLOGI. Give him 1009 * more time. FW will catch it. 1010 */ 1011 set_bit(RELOGIN_NEEDED, &vha->dpc_flags); 1012 } 1013 break; 1014 case ISP_CFG_NL: 1015 qla24xx_fcport_handle_login(vha, fcport); 1016 break; 1017 default: 1018 break; 1019 } 1020 } 1021 } /* gnl_event */ 1022 1023 static void qla24xx_async_gnl_sp_done(srb_t *sp, int res) 1024 { 1025 struct scsi_qla_host *vha = sp->vha; 1026 unsigned long flags; 1027 struct fc_port *fcport = NULL, *tf; 1028 u16 i, n = 0, loop_id; 1029 struct event_arg ea; 1030 struct get_name_list_extended *e; 1031 u64 wwn; 1032 struct list_head h; 1033 bool found = false; 1034 1035 ql_dbg(ql_dbg_disc, vha, 0x20e7, 1036 "Async done-%s res %x mb[1]=%x mb[2]=%x \n", 1037 sp->name, res, sp->u.iocb_cmd.u.mbx.in_mb[1], 1038 sp->u.iocb_cmd.u.mbx.in_mb[2]); 1039 1040 1041 sp->fcport->flags &= ~(FCF_ASYNC_SENT|FCF_ASYNC_ACTIVE); 1042 memset(&ea, 0, sizeof(ea)); 1043 ea.sp = sp; 1044 ea.rc = res; 1045 1046 if (sp->u.iocb_cmd.u.mbx.in_mb[1] >= 1047 sizeof(struct get_name_list_extended)) { 1048 n = sp->u.iocb_cmd.u.mbx.in_mb[1] / 1049 sizeof(struct get_name_list_extended); 1050 ea.data[0] = sp->u.iocb_cmd.u.mbx.in_mb[1]; /* amnt xfered */ 1051 } 1052 1053 for (i = 0; i < n; i++) { 1054 e = &vha->gnl.l[i]; 1055 loop_id = le16_to_cpu(e->nport_handle); 1056 /* mask out reserve bit */ 1057 loop_id = (loop_id & 0x7fff); 1058 set_bit(loop_id, vha->hw->loop_id_map); 1059 wwn = wwn_to_u64(e->port_name); 1060 1061 ql_dbg(ql_dbg_disc, vha, 0x20e8, 1062 "%s %8phC %02x:%02x:%02x CLS %x/%x lid %x \n", 1063 __func__, &wwn, e->port_id[2], e->port_id[1], 1064 e->port_id[0], e->current_login_state, e->last_login_state, 1065 (loop_id & 0x7fff)); 1066 } 1067 1068 spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags); 1069 1070 INIT_LIST_HEAD(&h); 1071 fcport = tf = NULL; 1072 if (!list_empty(&vha->gnl.fcports)) 1073 list_splice_init(&vha->gnl.fcports, &h); 1074 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags); 1075 1076 list_for_each_entry_safe(fcport, tf, &h, gnl_entry) { 1077 spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags); 1078 list_del_init(&fcport->gnl_entry); 1079 fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE); 1080 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags); 1081 ea.fcport = fcport; 1082 1083 qla24xx_handle_gnl_done_event(vha, &ea); 1084 } 1085 1086 /* create new fcport if fw has knowledge of new sessions */ 1087 for (i = 0; i < n; i++) { 1088 port_id_t id; 1089 u64 wwnn; 1090 1091 e = &vha->gnl.l[i]; 1092 wwn = wwn_to_u64(e->port_name); 1093 1094 found = false; 1095 list_for_each_entry_safe(fcport, tf, &vha->vp_fcports, list) { 1096 if (!memcmp((u8 *)&wwn, fcport->port_name, 1097 WWN_SIZE)) { 1098 found = true; 1099 break; 1100 } 1101 } 1102 1103 id.b.domain = e->port_id[2]; 1104 id.b.area = e->port_id[1]; 1105 id.b.al_pa = e->port_id[0]; 1106 id.b.rsvd_1 = 0; 1107 1108 if (!found && wwn && !IS_SW_RESV_ADDR(id)) { 1109 ql_dbg(ql_dbg_disc, vha, 0x2065, 1110 "%s %d %8phC %06x post new sess\n", 1111 __func__, __LINE__, (u8 *)&wwn, id.b24); 1112 wwnn = wwn_to_u64(e->node_name); 1113 qla24xx_post_newsess_work(vha, &id, (u8 *)&wwn, 1114 (u8 *)&wwnn, NULL, 0); 1115 } 1116 } 1117 1118 spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags); 1119 vha->gnl.sent = 0; 1120 if (!list_empty(&vha->gnl.fcports)) { 1121 /* retrigger gnl */ 1122 list_for_each_entry_safe(fcport, tf, &vha->gnl.fcports, 1123 gnl_entry) { 1124 list_del_init(&fcport->gnl_entry); 1125 fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE); 1126 if (qla24xx_post_gnl_work(vha, fcport) == QLA_SUCCESS) 1127 break; 1128 } 1129 } 1130 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags); 1131 1132 /* ref: INIT */ 1133 kref_put(&sp->cmd_kref, qla2x00_sp_release); 1134 } 1135 1136 int qla24xx_async_gnl(struct scsi_qla_host *vha, fc_port_t *fcport) 1137 { 1138 srb_t *sp; 1139 int rval = QLA_FUNCTION_FAILED; 1140 unsigned long flags; 1141 u16 *mb; 1142 1143 if (!vha->flags.online || (fcport->flags & FCF_ASYNC_SENT)) 1144 goto done; 1145 1146 ql_dbg(ql_dbg_disc, vha, 0x20d9, 1147 "Async-gnlist WWPN %8phC \n", fcport->port_name); 1148 1149 spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags); 1150 fcport->flags |= FCF_ASYNC_SENT; 1151 qla2x00_set_fcport_disc_state(fcport, DSC_GNL); 1152 fcport->last_rscn_gen = fcport->rscn_gen; 1153 fcport->last_login_gen = fcport->login_gen; 1154 1155 list_add_tail(&fcport->gnl_entry, &vha->gnl.fcports); 1156 if (vha->gnl.sent) { 1157 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags); 1158 return QLA_SUCCESS; 1159 } 1160 vha->gnl.sent = 1; 1161 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags); 1162 1163 /* ref: INIT */ 1164 sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL); 1165 if (!sp) 1166 goto done; 1167 1168 sp->type = SRB_MB_IOCB; 1169 sp->name = "gnlist"; 1170 sp->gen1 = fcport->rscn_gen; 1171 sp->gen2 = fcport->login_gen; 1172 qla2x00_init_async_sp(sp, qla2x00_get_async_timeout(vha) + 2, 1173 qla24xx_async_gnl_sp_done); 1174 1175 mb = sp->u.iocb_cmd.u.mbx.out_mb; 1176 mb[0] = MBC_PORT_NODE_NAME_LIST; 1177 mb[1] = BIT_2 | BIT_3; 1178 mb[2] = MSW(vha->gnl.ldma); 1179 mb[3] = LSW(vha->gnl.ldma); 1180 mb[6] = MSW(MSD(vha->gnl.ldma)); 1181 mb[7] = LSW(MSD(vha->gnl.ldma)); 1182 mb[8] = vha->gnl.size; 1183 mb[9] = vha->vp_idx; 1184 1185 ql_dbg(ql_dbg_disc, vha, 0x20da, 1186 "Async-%s - OUT WWPN %8phC hndl %x\n", 1187 sp->name, fcport->port_name, sp->handle); 1188 1189 rval = qla2x00_start_sp(sp); 1190 if (rval != QLA_SUCCESS) 1191 goto done_free_sp; 1192 1193 return rval; 1194 1195 done_free_sp: 1196 /* 1197 * use qla24xx_async_gnl_sp_done to purge all pending gnl request. 1198 * kref_put is call behind the scene. 1199 */ 1200 sp->u.iocb_cmd.u.mbx.in_mb[0] = MBS_COMMAND_ERROR; 1201 qla24xx_async_gnl_sp_done(sp, QLA_COMMAND_ERROR); 1202 fcport->flags &= ~(FCF_ASYNC_SENT); 1203 done: 1204 fcport->flags &= ~(FCF_ASYNC_ACTIVE); 1205 return rval; 1206 } 1207 1208 int qla24xx_post_gnl_work(struct scsi_qla_host *vha, fc_port_t *fcport) 1209 { 1210 struct qla_work_evt *e; 1211 1212 e = qla2x00_alloc_work(vha, QLA_EVT_GNL); 1213 if (!e) 1214 return QLA_FUNCTION_FAILED; 1215 1216 e->u.fcport.fcport = fcport; 1217 fcport->flags |= FCF_ASYNC_ACTIVE; 1218 return qla2x00_post_work(vha, e); 1219 } 1220 1221 static void qla24xx_async_gpdb_sp_done(srb_t *sp, int res) 1222 { 1223 struct scsi_qla_host *vha = sp->vha; 1224 struct qla_hw_data *ha = vha->hw; 1225 fc_port_t *fcport = sp->fcport; 1226 u16 *mb = sp->u.iocb_cmd.u.mbx.in_mb; 1227 struct event_arg ea; 1228 1229 ql_dbg(ql_dbg_disc, vha, 0x20db, 1230 "Async done-%s res %x, WWPN %8phC mb[1]=%x mb[2]=%x \n", 1231 sp->name, res, fcport->port_name, mb[1], mb[2]); 1232 1233 fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE); 1234 1235 if (res == QLA_FUNCTION_TIMEOUT) 1236 goto done; 1237 1238 memset(&ea, 0, sizeof(ea)); 1239 ea.fcport = fcport; 1240 ea.sp = sp; 1241 1242 qla24xx_handle_gpdb_event(vha, &ea); 1243 1244 done: 1245 dma_pool_free(ha->s_dma_pool, sp->u.iocb_cmd.u.mbx.in, 1246 sp->u.iocb_cmd.u.mbx.in_dma); 1247 1248 kref_put(&sp->cmd_kref, qla2x00_sp_release); 1249 } 1250 1251 int qla24xx_post_prli_work(struct scsi_qla_host *vha, fc_port_t *fcport) 1252 { 1253 struct qla_work_evt *e; 1254 1255 if (vha->host->active_mode == MODE_TARGET) 1256 return QLA_FUNCTION_FAILED; 1257 1258 e = qla2x00_alloc_work(vha, QLA_EVT_PRLI); 1259 if (!e) 1260 return QLA_FUNCTION_FAILED; 1261 1262 e->u.fcport.fcport = fcport; 1263 1264 return qla2x00_post_work(vha, e); 1265 } 1266 1267 static void qla2x00_async_prli_sp_done(srb_t *sp, int res) 1268 { 1269 struct scsi_qla_host *vha = sp->vha; 1270 struct srb_iocb *lio = &sp->u.iocb_cmd; 1271 struct event_arg ea; 1272 1273 ql_dbg(ql_dbg_disc, vha, 0x2129, 1274 "%s %8phC res %x\n", __func__, 1275 sp->fcport->port_name, res); 1276 1277 sp->fcport->flags &= ~FCF_ASYNC_SENT; 1278 1279 if (!test_bit(UNLOADING, &vha->dpc_flags)) { 1280 memset(&ea, 0, sizeof(ea)); 1281 ea.fcport = sp->fcport; 1282 ea.data[0] = lio->u.logio.data[0]; 1283 ea.data[1] = lio->u.logio.data[1]; 1284 ea.iop[0] = lio->u.logio.iop[0]; 1285 ea.iop[1] = lio->u.logio.iop[1]; 1286 ea.sp = sp; 1287 if (res == QLA_OS_TIMER_EXPIRED) 1288 ea.data[0] = QLA_OS_TIMER_EXPIRED; 1289 else if (res) 1290 ea.data[0] = MBS_COMMAND_ERROR; 1291 1292 qla24xx_handle_prli_done_event(vha, &ea); 1293 } 1294 1295 kref_put(&sp->cmd_kref, qla2x00_sp_release); 1296 } 1297 1298 int 1299 qla24xx_async_prli(struct scsi_qla_host *vha, fc_port_t *fcport) 1300 { 1301 srb_t *sp; 1302 struct srb_iocb *lio; 1303 int rval = QLA_FUNCTION_FAILED; 1304 1305 if (!vha->flags.online) { 1306 ql_dbg(ql_dbg_disc, vha, 0xffff, "%s %d %8phC exit\n", 1307 __func__, __LINE__, fcport->port_name); 1308 return rval; 1309 } 1310 1311 if ((fcport->fw_login_state == DSC_LS_PLOGI_PEND || 1312 fcport->fw_login_state == DSC_LS_PRLI_PEND) && 1313 qla_dual_mode_enabled(vha)) { 1314 ql_dbg(ql_dbg_disc, vha, 0xffff, "%s %d %8phC exit\n", 1315 __func__, __LINE__, fcport->port_name); 1316 return rval; 1317 } 1318 1319 sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL); 1320 if (!sp) 1321 return rval; 1322 1323 fcport->flags |= FCF_ASYNC_SENT; 1324 fcport->logout_completed = 0; 1325 1326 sp->type = SRB_PRLI_CMD; 1327 sp->name = "prli"; 1328 qla2x00_init_async_sp(sp, qla2x00_get_async_timeout(vha) + 2, 1329 qla2x00_async_prli_sp_done); 1330 1331 lio = &sp->u.iocb_cmd; 1332 lio->u.logio.flags = 0; 1333 1334 if (NVME_TARGET(vha->hw, fcport)) 1335 lio->u.logio.flags |= SRB_LOGIN_NVME_PRLI; 1336 1337 ql_dbg(ql_dbg_disc, vha, 0x211b, 1338 "Async-prli - %8phC hdl=%x, loopid=%x portid=%06x retries=%d fc4type %x priority %x %s.\n", 1339 fcport->port_name, sp->handle, fcport->loop_id, fcport->d_id.b24, 1340 fcport->login_retry, fcport->fc4_type, vha->hw->fc4_type_priority, 1341 NVME_TARGET(vha->hw, fcport) ? "nvme" : "fcp"); 1342 1343 rval = qla2x00_start_sp(sp); 1344 if (rval != QLA_SUCCESS) { 1345 fcport->flags |= FCF_LOGIN_NEEDED; 1346 set_bit(RELOGIN_NEEDED, &vha->dpc_flags); 1347 goto done_free_sp; 1348 } 1349 1350 return rval; 1351 1352 done_free_sp: 1353 /* ref: INIT */ 1354 kref_put(&sp->cmd_kref, qla2x00_sp_release); 1355 fcport->flags &= ~FCF_ASYNC_SENT; 1356 return rval; 1357 } 1358 1359 int qla24xx_post_gpdb_work(struct scsi_qla_host *vha, fc_port_t *fcport, u8 opt) 1360 { 1361 struct qla_work_evt *e; 1362 1363 e = qla2x00_alloc_work(vha, QLA_EVT_GPDB); 1364 if (!e) 1365 return QLA_FUNCTION_FAILED; 1366 1367 e->u.fcport.fcport = fcport; 1368 e->u.fcport.opt = opt; 1369 fcport->flags |= FCF_ASYNC_ACTIVE; 1370 return qla2x00_post_work(vha, e); 1371 } 1372 1373 int qla24xx_async_gpdb(struct scsi_qla_host *vha, fc_port_t *fcport, u8 opt) 1374 { 1375 srb_t *sp; 1376 struct srb_iocb *mbx; 1377 int rval = QLA_FUNCTION_FAILED; 1378 u16 *mb; 1379 dma_addr_t pd_dma; 1380 struct port_database_24xx *pd; 1381 struct qla_hw_data *ha = vha->hw; 1382 1383 if (IS_SESSION_DELETED(fcport)) { 1384 ql_log(ql_log_warn, vha, 0xffff, 1385 "%s: %8phC is being delete - not sending command.\n", 1386 __func__, fcport->port_name); 1387 fcport->flags &= ~FCF_ASYNC_ACTIVE; 1388 return rval; 1389 } 1390 1391 if (!vha->flags.online || fcport->flags & FCF_ASYNC_SENT) { 1392 ql_log(ql_log_warn, vha, 0xffff, 1393 "%s: %8phC online %d flags %x - not sending command.\n", 1394 __func__, fcport->port_name, vha->flags.online, fcport->flags); 1395 goto done; 1396 } 1397 1398 sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL); 1399 if (!sp) 1400 goto done; 1401 1402 qla2x00_set_fcport_disc_state(fcport, DSC_GPDB); 1403 1404 fcport->flags |= FCF_ASYNC_SENT; 1405 sp->type = SRB_MB_IOCB; 1406 sp->name = "gpdb"; 1407 sp->gen1 = fcport->rscn_gen; 1408 sp->gen2 = fcport->login_gen; 1409 qla2x00_init_async_sp(sp, qla2x00_get_async_timeout(vha) + 2, 1410 qla24xx_async_gpdb_sp_done); 1411 1412 pd = dma_pool_zalloc(ha->s_dma_pool, GFP_KERNEL, &pd_dma); 1413 if (pd == NULL) { 1414 ql_log(ql_log_warn, vha, 0xd043, 1415 "Failed to allocate port database structure.\n"); 1416 goto done_free_sp; 1417 } 1418 1419 mb = sp->u.iocb_cmd.u.mbx.out_mb; 1420 mb[0] = MBC_GET_PORT_DATABASE; 1421 mb[1] = fcport->loop_id; 1422 mb[2] = MSW(pd_dma); 1423 mb[3] = LSW(pd_dma); 1424 mb[6] = MSW(MSD(pd_dma)); 1425 mb[7] = LSW(MSD(pd_dma)); 1426 mb[9] = vha->vp_idx; 1427 mb[10] = opt; 1428 1429 mbx = &sp->u.iocb_cmd; 1430 mbx->u.mbx.in = (void *)pd; 1431 mbx->u.mbx.in_dma = pd_dma; 1432 1433 ql_dbg(ql_dbg_disc, vha, 0x20dc, 1434 "Async-%s %8phC hndl %x opt %x\n", 1435 sp->name, fcport->port_name, sp->handle, opt); 1436 1437 rval = qla2x00_start_sp(sp); 1438 if (rval != QLA_SUCCESS) 1439 goto done_free_sp; 1440 return rval; 1441 1442 done_free_sp: 1443 if (pd) 1444 dma_pool_free(ha->s_dma_pool, pd, pd_dma); 1445 1446 kref_put(&sp->cmd_kref, qla2x00_sp_release); 1447 fcport->flags &= ~FCF_ASYNC_SENT; 1448 done: 1449 fcport->flags &= ~FCF_ASYNC_ACTIVE; 1450 qla24xx_post_gpdb_work(vha, fcport, opt); 1451 return rval; 1452 } 1453 1454 static 1455 void __qla24xx_handle_gpdb_event(scsi_qla_host_t *vha, struct event_arg *ea) 1456 { 1457 unsigned long flags; 1458 1459 spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags); 1460 ea->fcport->login_gen++; 1461 ea->fcport->logout_on_delete = 1; 1462 1463 if (!ea->fcport->login_succ && !IS_SW_RESV_ADDR(ea->fcport->d_id)) { 1464 vha->fcport_count++; 1465 ea->fcport->login_succ = 1; 1466 1467 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags); 1468 qla24xx_sched_upd_fcport(ea->fcport); 1469 spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags); 1470 } else if (ea->fcport->login_succ) { 1471 /* 1472 * We have an existing session. A late RSCN delivery 1473 * must have triggered the session to be re-validate. 1474 * Session is still valid. 1475 */ 1476 ql_dbg(ql_dbg_disc, vha, 0x20d6, 1477 "%s %d %8phC session revalidate success\n", 1478 __func__, __LINE__, ea->fcport->port_name); 1479 qla2x00_set_fcport_disc_state(ea->fcport, DSC_LOGIN_COMPLETE); 1480 } 1481 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags); 1482 } 1483 1484 static int qla_chk_secure_login(scsi_qla_host_t *vha, fc_port_t *fcport, 1485 struct port_database_24xx *pd) 1486 { 1487 int rc = 0; 1488 1489 if (pd->secure_login) { 1490 ql_dbg(ql_dbg_disc, vha, 0x104d, 1491 "Secure Login established on %8phC\n", 1492 fcport->port_name); 1493 fcport->flags |= FCF_FCSP_DEVICE; 1494 } else { 1495 ql_dbg(ql_dbg_disc, vha, 0x104d, 1496 "non-Secure Login %8phC", 1497 fcport->port_name); 1498 fcport->flags &= ~FCF_FCSP_DEVICE; 1499 } 1500 if (vha->hw->flags.edif_enabled) { 1501 if (fcport->flags & FCF_FCSP_DEVICE) { 1502 qla2x00_set_fcport_disc_state(fcport, DSC_LOGIN_AUTH_PEND); 1503 /* Start edif prli timer & ring doorbell for app */ 1504 fcport->edif.rx_sa_set = 0; 1505 fcport->edif.tx_sa_set = 0; 1506 fcport->edif.rx_sa_pending = 0; 1507 fcport->edif.tx_sa_pending = 0; 1508 1509 qla2x00_post_aen_work(vha, FCH_EVT_PORT_ONLINE, 1510 fcport->d_id.b24); 1511 1512 if (DBELL_ACTIVE(vha)) { 1513 ql_dbg(ql_dbg_disc, vha, 0x20ef, 1514 "%s %d %8phC EDIF: post DB_AUTH: AUTH needed\n", 1515 __func__, __LINE__, fcport->port_name); 1516 fcport->edif.app_sess_online = 1; 1517 1518 qla_edb_eventcreate(vha, VND_CMD_AUTH_STATE_NEEDED, 1519 fcport->d_id.b24, 0, fcport); 1520 } 1521 1522 rc = 1; 1523 } else if (qla_ini_mode_enabled(vha) || qla_dual_mode_enabled(vha)) { 1524 ql_dbg(ql_dbg_disc, vha, 0x2117, 1525 "%s %d %8phC post prli\n", 1526 __func__, __LINE__, fcport->port_name); 1527 qla24xx_post_prli_work(vha, fcport); 1528 rc = 1; 1529 } 1530 } 1531 return rc; 1532 } 1533 1534 static 1535 void qla24xx_handle_gpdb_event(scsi_qla_host_t *vha, struct event_arg *ea) 1536 { 1537 fc_port_t *fcport = ea->fcport; 1538 struct port_database_24xx *pd; 1539 struct srb *sp = ea->sp; 1540 uint8_t ls; 1541 1542 pd = (struct port_database_24xx *)sp->u.iocb_cmd.u.mbx.in; 1543 1544 fcport->flags &= ~FCF_ASYNC_SENT; 1545 1546 ql_dbg(ql_dbg_disc, vha, 0x20d2, 1547 "%s %8phC DS %d LS %x fc4_type %x rc %x\n", __func__, 1548 fcport->port_name, fcport->disc_state, pd->current_login_state, 1549 fcport->fc4_type, ea->rc); 1550 1551 if (fcport->disc_state == DSC_DELETE_PEND) { 1552 ql_dbg(ql_dbg_disc, vha, 0x20d5, "%s %d %8phC\n", 1553 __func__, __LINE__, fcport->port_name); 1554 return; 1555 } 1556 1557 if (NVME_TARGET(vha->hw, fcport)) 1558 ls = pd->current_login_state >> 4; 1559 else 1560 ls = pd->current_login_state & 0xf; 1561 1562 if (ea->sp->gen2 != fcport->login_gen) { 1563 /* target side must have changed it. */ 1564 1565 ql_dbg(ql_dbg_disc, vha, 0x20d3, 1566 "%s %8phC generation changed\n", 1567 __func__, fcport->port_name); 1568 return; 1569 } else if (ea->sp->gen1 != fcport->rscn_gen) { 1570 qla_rscn_replay(fcport); 1571 qlt_schedule_sess_for_deletion(fcport); 1572 ql_dbg(ql_dbg_disc, vha, 0x20d5, "%s %d %8phC, ls %x\n", 1573 __func__, __LINE__, fcport->port_name, ls); 1574 return; 1575 } 1576 1577 switch (ls) { 1578 case PDS_PRLI_COMPLETE: 1579 __qla24xx_parse_gpdb(vha, fcport, pd); 1580 break; 1581 case PDS_PLOGI_COMPLETE: 1582 if (qla_chk_secure_login(vha, fcport, pd)) { 1583 ql_dbg(ql_dbg_disc, vha, 0x20d5, "%s %d %8phC, ls %x\n", 1584 __func__, __LINE__, fcport->port_name, ls); 1585 return; 1586 } 1587 fallthrough; 1588 case PDS_PLOGI_PENDING: 1589 case PDS_PRLI_PENDING: 1590 case PDS_PRLI2_PENDING: 1591 /* Set discovery state back to GNL to Relogin attempt */ 1592 if (qla_dual_mode_enabled(vha) || 1593 qla_ini_mode_enabled(vha)) { 1594 qla2x00_set_fcport_disc_state(fcport, DSC_GNL); 1595 set_bit(RELOGIN_NEEDED, &vha->dpc_flags); 1596 } 1597 ql_dbg(ql_dbg_disc, vha, 0x20d5, "%s %d %8phC, ls %x\n", 1598 __func__, __LINE__, fcport->port_name, ls); 1599 return; 1600 case PDS_LOGO_PENDING: 1601 case PDS_PORT_UNAVAILABLE: 1602 default: 1603 ql_dbg(ql_dbg_disc, vha, 0x20d5, "%s %d %8phC post del sess\n", 1604 __func__, __LINE__, fcport->port_name); 1605 qlt_schedule_sess_for_deletion(fcport); 1606 return; 1607 } 1608 __qla24xx_handle_gpdb_event(vha, ea); 1609 } /* gpdb event */ 1610 1611 static void qla_chk_n2n_b4_login(struct scsi_qla_host *vha, fc_port_t *fcport) 1612 { 1613 u8 login = 0; 1614 int rc; 1615 1616 ql_dbg(ql_dbg_disc, vha, 0x307b, 1617 "%s %8phC DS %d LS %d lid %d retries=%d\n", 1618 __func__, fcport->port_name, fcport->disc_state, 1619 fcport->fw_login_state, fcport->loop_id, fcport->login_retry); 1620 1621 if (qla_tgt_mode_enabled(vha)) 1622 return; 1623 1624 if (qla_dual_mode_enabled(vha)) { 1625 if (N2N_TOPO(vha->hw)) { 1626 u64 mywwn, wwn; 1627 1628 mywwn = wwn_to_u64(vha->port_name); 1629 wwn = wwn_to_u64(fcport->port_name); 1630 if (mywwn > wwn) 1631 login = 1; 1632 else if ((fcport->fw_login_state == DSC_LS_PLOGI_COMP) 1633 && time_after_eq(jiffies, 1634 fcport->plogi_nack_done_deadline)) 1635 login = 1; 1636 } else { 1637 login = 1; 1638 } 1639 } else { 1640 /* initiator mode */ 1641 login = 1; 1642 } 1643 1644 if (login && fcport->login_retry) { 1645 fcport->login_retry--; 1646 if (fcport->loop_id == FC_NO_LOOP_ID) { 1647 fcport->fw_login_state = DSC_LS_PORT_UNAVAIL; 1648 rc = qla2x00_find_new_loop_id(vha, fcport); 1649 if (rc) { 1650 ql_dbg(ql_dbg_disc, vha, 0x20e6, 1651 "%s %d %8phC post del sess - out of loopid\n", 1652 __func__, __LINE__, fcport->port_name); 1653 fcport->scan_state = 0; 1654 qlt_schedule_sess_for_deletion(fcport); 1655 return; 1656 } 1657 } 1658 ql_dbg(ql_dbg_disc, vha, 0x20bf, 1659 "%s %d %8phC post login\n", 1660 __func__, __LINE__, fcport->port_name); 1661 qla2x00_post_async_login_work(vha, fcport, NULL); 1662 } 1663 } 1664 1665 int qla24xx_fcport_handle_login(struct scsi_qla_host *vha, fc_port_t *fcport) 1666 { 1667 u16 data[2]; 1668 u16 sec; 1669 1670 ql_dbg(ql_dbg_disc, vha, 0x20d8, 1671 "%s %8phC DS %d LS %d P %d fl %x confl %p rscn %d|%d login %d lid %d scan %d fc4type %x\n", 1672 __func__, fcport->port_name, fcport->disc_state, 1673 fcport->fw_login_state, fcport->login_pause, fcport->flags, 1674 fcport->conflict, fcport->last_rscn_gen, fcport->rscn_gen, 1675 fcport->login_gen, fcport->loop_id, fcport->scan_state, 1676 fcport->fc4_type); 1677 1678 if (fcport->scan_state != QLA_FCPORT_FOUND || 1679 fcport->disc_state == DSC_DELETE_PEND) 1680 return 0; 1681 1682 if ((fcport->loop_id != FC_NO_LOOP_ID) && 1683 qla_dual_mode_enabled(vha) && 1684 ((fcport->fw_login_state == DSC_LS_PLOGI_PEND) || 1685 (fcport->fw_login_state == DSC_LS_PRLI_PEND))) 1686 return 0; 1687 1688 if (fcport->fw_login_state == DSC_LS_PLOGI_COMP && 1689 !N2N_TOPO(vha->hw)) { 1690 if (time_before_eq(jiffies, fcport->plogi_nack_done_deadline)) { 1691 set_bit(RELOGIN_NEEDED, &vha->dpc_flags); 1692 return 0; 1693 } 1694 } 1695 1696 /* Target won't initiate port login if fabric is present */ 1697 if (vha->host->active_mode == MODE_TARGET && !N2N_TOPO(vha->hw)) 1698 return 0; 1699 1700 if (fcport->flags & (FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE)) { 1701 set_bit(RELOGIN_NEEDED, &vha->dpc_flags); 1702 return 0; 1703 } 1704 1705 switch (fcport->disc_state) { 1706 case DSC_DELETED: 1707 switch (vha->hw->current_topology) { 1708 case ISP_CFG_N: 1709 if (fcport_is_smaller(fcport)) { 1710 /* this adapter is bigger */ 1711 if (fcport->login_retry) { 1712 if (fcport->loop_id == FC_NO_LOOP_ID) { 1713 qla2x00_find_new_loop_id(vha, 1714 fcport); 1715 fcport->fw_login_state = 1716 DSC_LS_PORT_UNAVAIL; 1717 } 1718 fcport->login_retry--; 1719 qla_post_els_plogi_work(vha, fcport); 1720 } else { 1721 ql_log(ql_log_info, vha, 0x705d, 1722 "Unable to reach remote port %8phC", 1723 fcport->port_name); 1724 } 1725 } else { 1726 qla24xx_post_gnl_work(vha, fcport); 1727 } 1728 break; 1729 default: 1730 if (fcport->loop_id == FC_NO_LOOP_ID) { 1731 ql_dbg(ql_dbg_disc, vha, 0x20bd, 1732 "%s %d %8phC post gnl\n", 1733 __func__, __LINE__, fcport->port_name); 1734 qla24xx_post_gnl_work(vha, fcport); 1735 } else { 1736 qla_chk_n2n_b4_login(vha, fcport); 1737 } 1738 break; 1739 } 1740 break; 1741 1742 case DSC_GNL: 1743 switch (vha->hw->current_topology) { 1744 case ISP_CFG_N: 1745 if ((fcport->current_login_state & 0xf) == 0x6) { 1746 ql_dbg(ql_dbg_disc, vha, 0x2118, 1747 "%s %d %8phC post GPDB work\n", 1748 __func__, __LINE__, fcport->port_name); 1749 fcport->chip_reset = 1750 vha->hw->base_qpair->chip_reset; 1751 qla24xx_post_gpdb_work(vha, fcport, 0); 1752 } else { 1753 ql_dbg(ql_dbg_disc, vha, 0x2118, 1754 "%s %d %8phC post %s PRLI\n", 1755 __func__, __LINE__, fcport->port_name, 1756 NVME_TARGET(vha->hw, fcport) ? "NVME" : 1757 "FC"); 1758 qla24xx_post_prli_work(vha, fcport); 1759 } 1760 break; 1761 default: 1762 if (fcport->login_pause) { 1763 ql_dbg(ql_dbg_disc, vha, 0x20d8, 1764 "%s %d %8phC exit\n", 1765 __func__, __LINE__, 1766 fcport->port_name); 1767 fcport->last_rscn_gen = fcport->rscn_gen; 1768 fcport->last_login_gen = fcport->login_gen; 1769 set_bit(RELOGIN_NEEDED, &vha->dpc_flags); 1770 break; 1771 } 1772 qla_chk_n2n_b4_login(vha, fcport); 1773 break; 1774 } 1775 break; 1776 1777 case DSC_LOGIN_FAILED: 1778 if (N2N_TOPO(vha->hw)) 1779 qla_chk_n2n_b4_login(vha, fcport); 1780 else 1781 qlt_schedule_sess_for_deletion(fcport); 1782 break; 1783 1784 case DSC_LOGIN_COMPLETE: 1785 /* recheck login state */ 1786 data[0] = data[1] = 0; 1787 qla2x00_post_async_adisc_work(vha, fcport, data); 1788 break; 1789 1790 case DSC_LOGIN_PEND: 1791 if (vha->hw->flags.edif_enabled) 1792 break; 1793 1794 if (fcport->fw_login_state == DSC_LS_PLOGI_COMP) { 1795 ql_dbg(ql_dbg_disc, vha, 0x2118, 1796 "%s %d %8phC post %s PRLI\n", 1797 __func__, __LINE__, fcport->port_name, 1798 NVME_TARGET(vha->hw, fcport) ? "NVME" : "FC"); 1799 qla24xx_post_prli_work(vha, fcport); 1800 } 1801 break; 1802 1803 case DSC_UPD_FCPORT: 1804 sec = jiffies_to_msecs(jiffies - 1805 fcport->jiffies_at_registration)/1000; 1806 if (fcport->sec_since_registration < sec && sec && 1807 !(sec % 60)) { 1808 fcport->sec_since_registration = sec; 1809 ql_dbg(ql_dbg_disc, fcport->vha, 0xffff, 1810 "%s %8phC - Slow Rport registration(%d Sec)\n", 1811 __func__, fcport->port_name, sec); 1812 } 1813 1814 if (fcport->next_disc_state != DSC_DELETE_PEND) 1815 fcport->next_disc_state = DSC_ADISC; 1816 set_bit(RELOGIN_NEEDED, &vha->dpc_flags); 1817 break; 1818 1819 default: 1820 break; 1821 } 1822 1823 return 0; 1824 } 1825 1826 int qla24xx_post_newsess_work(struct scsi_qla_host *vha, port_id_t *id, 1827 u8 *port_name, u8 *node_name, void *pla, u8 fc4_type) 1828 { 1829 struct qla_work_evt *e; 1830 1831 e = qla2x00_alloc_work(vha, QLA_EVT_NEW_SESS); 1832 if (!e) 1833 return QLA_FUNCTION_FAILED; 1834 1835 e->u.new_sess.id = *id; 1836 e->u.new_sess.pla = pla; 1837 e->u.new_sess.fc4_type = fc4_type; 1838 memcpy(e->u.new_sess.port_name, port_name, WWN_SIZE); 1839 if (node_name) 1840 memcpy(e->u.new_sess.node_name, node_name, WWN_SIZE); 1841 1842 return qla2x00_post_work(vha, e); 1843 } 1844 1845 void qla2x00_handle_rscn(scsi_qla_host_t *vha, struct event_arg *ea) 1846 { 1847 fc_port_t *fcport; 1848 unsigned long flags; 1849 1850 switch (ea->id.b.rsvd_1) { 1851 case RSCN_PORT_ADDR: 1852 fcport = qla2x00_find_fcport_by_nportid(vha, &ea->id, 1); 1853 if (fcport) { 1854 if (ql2xfc2target && 1855 fcport->flags & FCF_FCP2_DEVICE && 1856 atomic_read(&fcport->state) == FCS_ONLINE) { 1857 ql_dbg(ql_dbg_disc, vha, 0x2115, 1858 "Delaying session delete for FCP2 portid=%06x %8phC ", 1859 fcport->d_id.b24, fcport->port_name); 1860 return; 1861 } 1862 1863 if (vha->hw->flags.edif_enabled && DBELL_ACTIVE(vha)) { 1864 /* 1865 * On ipsec start by remote port, Target port 1866 * may use RSCN to trigger initiator to 1867 * relogin. If driver is already in the 1868 * process of a relogin, then ignore the RSCN 1869 * and allow the current relogin to continue. 1870 * This reduces thrashing of the connection. 1871 */ 1872 if (atomic_read(&fcport->state) == FCS_ONLINE) { 1873 /* 1874 * If state = online, then set scan_needed=1 to do relogin. 1875 * Otherwise we're already in the middle of a relogin 1876 */ 1877 fcport->scan_needed = 1; 1878 fcport->rscn_gen++; 1879 } 1880 } else { 1881 fcport->scan_needed = 1; 1882 fcport->rscn_gen++; 1883 } 1884 } 1885 break; 1886 case RSCN_AREA_ADDR: 1887 list_for_each_entry(fcport, &vha->vp_fcports, list) { 1888 if (fcport->flags & FCF_FCP2_DEVICE && 1889 atomic_read(&fcport->state) == FCS_ONLINE) 1890 continue; 1891 1892 if ((ea->id.b24 & 0xffff00) == (fcport->d_id.b24 & 0xffff00)) { 1893 fcport->scan_needed = 1; 1894 fcport->rscn_gen++; 1895 } 1896 } 1897 break; 1898 case RSCN_DOM_ADDR: 1899 list_for_each_entry(fcport, &vha->vp_fcports, list) { 1900 if (fcport->flags & FCF_FCP2_DEVICE && 1901 atomic_read(&fcport->state) == FCS_ONLINE) 1902 continue; 1903 1904 if ((ea->id.b24 & 0xff0000) == (fcport->d_id.b24 & 0xff0000)) { 1905 fcport->scan_needed = 1; 1906 fcport->rscn_gen++; 1907 } 1908 } 1909 break; 1910 case RSCN_FAB_ADDR: 1911 default: 1912 list_for_each_entry(fcport, &vha->vp_fcports, list) { 1913 if (fcport->flags & FCF_FCP2_DEVICE && 1914 atomic_read(&fcport->state) == FCS_ONLINE) 1915 continue; 1916 1917 fcport->scan_needed = 1; 1918 fcport->rscn_gen++; 1919 } 1920 break; 1921 } 1922 1923 spin_lock_irqsave(&vha->work_lock, flags); 1924 if (vha->scan.scan_flags == 0) { 1925 ql_dbg(ql_dbg_disc, vha, 0xffff, "%s: schedule\n", __func__); 1926 vha->scan.scan_flags |= SF_QUEUED; 1927 schedule_delayed_work(&vha->scan.scan_work, 5); 1928 } 1929 spin_unlock_irqrestore(&vha->work_lock, flags); 1930 } 1931 1932 void qla24xx_handle_relogin_event(scsi_qla_host_t *vha, 1933 struct event_arg *ea) 1934 { 1935 fc_port_t *fcport = ea->fcport; 1936 1937 if (test_bit(UNLOADING, &vha->dpc_flags)) 1938 return; 1939 1940 ql_dbg(ql_dbg_disc, vha, 0x2102, 1941 "%s %8phC DS %d LS %d P %d del %d cnfl %p rscn %d|%d login %d|%d fl %x\n", 1942 __func__, fcport->port_name, fcport->disc_state, 1943 fcport->fw_login_state, fcport->login_pause, 1944 fcport->deleted, fcport->conflict, 1945 fcport->last_rscn_gen, fcport->rscn_gen, 1946 fcport->last_login_gen, fcport->login_gen, 1947 fcport->flags); 1948 1949 if (fcport->last_rscn_gen != fcport->rscn_gen) { 1950 ql_dbg(ql_dbg_disc, vha, 0x20e9, "%s %d %8phC post gnl\n", 1951 __func__, __LINE__, fcport->port_name); 1952 qla24xx_post_gnl_work(vha, fcport); 1953 return; 1954 } 1955 1956 qla24xx_fcport_handle_login(vha, fcport); 1957 } 1958 1959 void qla_handle_els_plogi_done(scsi_qla_host_t *vha, 1960 struct event_arg *ea) 1961 { 1962 if (N2N_TOPO(vha->hw) && fcport_is_smaller(ea->fcport) && 1963 vha->hw->flags.edif_enabled) { 1964 /* check to see if App support Secure */ 1965 qla24xx_post_gpdb_work(vha, ea->fcport, 0); 1966 return; 1967 } 1968 1969 /* for pure Target Mode, PRLI will not be initiated */ 1970 if (vha->host->active_mode == MODE_TARGET) 1971 return; 1972 1973 ql_dbg(ql_dbg_disc, vha, 0x2118, 1974 "%s %d %8phC post PRLI\n", 1975 __func__, __LINE__, ea->fcport->port_name); 1976 qla24xx_post_prli_work(vha, ea->fcport); 1977 } 1978 1979 /* 1980 * RSCN(s) came in for this fcport, but the RSCN(s) was not able 1981 * to be consumed by the fcport 1982 */ 1983 void qla_rscn_replay(fc_port_t *fcport) 1984 { 1985 struct event_arg ea; 1986 1987 switch (fcport->disc_state) { 1988 case DSC_DELETE_PEND: 1989 return; 1990 default: 1991 break; 1992 } 1993 1994 if (fcport->scan_needed) { 1995 memset(&ea, 0, sizeof(ea)); 1996 ea.id = fcport->d_id; 1997 ea.id.b.rsvd_1 = RSCN_PORT_ADDR; 1998 qla2x00_handle_rscn(fcport->vha, &ea); 1999 } 2000 } 2001 2002 static void 2003 qla2x00_tmf_iocb_timeout(void *data) 2004 { 2005 srb_t *sp = data; 2006 struct srb_iocb *tmf = &sp->u.iocb_cmd; 2007 int rc, h; 2008 unsigned long flags; 2009 2010 if (sp->type == SRB_MARKER) 2011 rc = QLA_FUNCTION_FAILED; 2012 else 2013 rc = qla24xx_async_abort_cmd(sp, false); 2014 2015 if (rc) { 2016 spin_lock_irqsave(sp->qpair->qp_lock_ptr, flags); 2017 for (h = 1; h < sp->qpair->req->num_outstanding_cmds; h++) { 2018 if (sp->qpair->req->outstanding_cmds[h] == sp) { 2019 sp->qpair->req->outstanding_cmds[h] = NULL; 2020 qla_put_fw_resources(sp->qpair, &sp->iores); 2021 break; 2022 } 2023 } 2024 spin_unlock_irqrestore(sp->qpair->qp_lock_ptr, flags); 2025 tmf->u.tmf.comp_status = cpu_to_le16(CS_TIMEOUT); 2026 tmf->u.tmf.data = QLA_FUNCTION_FAILED; 2027 complete(&tmf->u.tmf.comp); 2028 } 2029 } 2030 2031 static void qla_marker_sp_done(srb_t *sp, int res) 2032 { 2033 struct srb_iocb *tmf = &sp->u.iocb_cmd; 2034 2035 if (res != QLA_SUCCESS) 2036 ql_dbg(ql_dbg_taskm, sp->vha, 0x8004, 2037 "Async-marker fail hdl=%x portid=%06x ctrl=%x lun=%lld qp=%d.\n", 2038 sp->handle, sp->fcport->d_id.b24, sp->u.iocb_cmd.u.tmf.flags, 2039 sp->u.iocb_cmd.u.tmf.lun, sp->qpair->id); 2040 2041 sp->u.iocb_cmd.u.tmf.data = res; 2042 complete(&tmf->u.tmf.comp); 2043 } 2044 2045 #define START_SP_W_RETRIES(_sp, _rval, _chip_gen, _login_gen) \ 2046 {\ 2047 int cnt = 5; \ 2048 do { \ 2049 if (_chip_gen != sp->vha->hw->chip_reset || _login_gen != sp->fcport->login_gen) {\ 2050 _rval = EINVAL; \ 2051 break; \ 2052 } \ 2053 _rval = qla2x00_start_sp(_sp); \ 2054 if (_rval == EAGAIN) \ 2055 msleep(1); \ 2056 else \ 2057 break; \ 2058 cnt--; \ 2059 } while (cnt); \ 2060 } 2061 2062 /** 2063 * qla26xx_marker: send marker IOCB and wait for the completion of it. 2064 * @arg: pointer to argument list. 2065 * It is assume caller will provide an fcport pointer and modifier 2066 */ 2067 static int 2068 qla26xx_marker(struct tmf_arg *arg) 2069 { 2070 struct scsi_qla_host *vha = arg->vha; 2071 struct srb_iocb *tm_iocb; 2072 srb_t *sp; 2073 int rval = QLA_FUNCTION_FAILED; 2074 fc_port_t *fcport = arg->fcport; 2075 u32 chip_gen, login_gen; 2076 2077 if (TMF_NOT_READY(arg->fcport)) { 2078 ql_dbg(ql_dbg_taskm, vha, 0x8039, 2079 "FC port not ready for marker loop-id=%x portid=%06x modifier=%x lun=%lld qp=%d.\n", 2080 fcport->loop_id, fcport->d_id.b24, 2081 arg->modifier, arg->lun, arg->qpair->id); 2082 return QLA_SUSPENDED; 2083 } 2084 2085 chip_gen = vha->hw->chip_reset; 2086 login_gen = fcport->login_gen; 2087 2088 /* ref: INIT */ 2089 sp = qla2xxx_get_qpair_sp(vha, arg->qpair, fcport, GFP_KERNEL); 2090 if (!sp) 2091 goto done; 2092 2093 sp->type = SRB_MARKER; 2094 sp->name = "marker"; 2095 qla2x00_init_async_sp(sp, qla2x00_get_async_timeout(vha), qla_marker_sp_done); 2096 sp->u.iocb_cmd.timeout = qla2x00_tmf_iocb_timeout; 2097 2098 tm_iocb = &sp->u.iocb_cmd; 2099 init_completion(&tm_iocb->u.tmf.comp); 2100 tm_iocb->u.tmf.modifier = arg->modifier; 2101 tm_iocb->u.tmf.lun = arg->lun; 2102 tm_iocb->u.tmf.loop_id = fcport->loop_id; 2103 tm_iocb->u.tmf.vp_index = vha->vp_idx; 2104 2105 START_SP_W_RETRIES(sp, rval, chip_gen, login_gen); 2106 2107 ql_dbg(ql_dbg_taskm, vha, 0x8006, 2108 "Async-marker hdl=%x loop-id=%x portid=%06x modifier=%x lun=%lld qp=%d rval %d.\n", 2109 sp->handle, fcport->loop_id, fcport->d_id.b24, 2110 arg->modifier, arg->lun, sp->qpair->id, rval); 2111 2112 if (rval != QLA_SUCCESS) { 2113 ql_log(ql_log_warn, vha, 0x8031, 2114 "Marker IOCB send failure (%x).\n", rval); 2115 goto done_free_sp; 2116 } 2117 2118 wait_for_completion(&tm_iocb->u.tmf.comp); 2119 rval = tm_iocb->u.tmf.data; 2120 2121 if (rval != QLA_SUCCESS) { 2122 ql_log(ql_log_warn, vha, 0x8019, 2123 "Marker failed hdl=%x loop-id=%x portid=%06x modifier=%x lun=%lld qp=%d rval %d.\n", 2124 sp->handle, fcport->loop_id, fcport->d_id.b24, 2125 arg->modifier, arg->lun, sp->qpair->id, rval); 2126 } 2127 2128 done_free_sp: 2129 /* ref: INIT */ 2130 kref_put(&sp->cmd_kref, qla2x00_sp_release); 2131 done: 2132 return rval; 2133 } 2134 2135 static void qla2x00_tmf_sp_done(srb_t *sp, int res) 2136 { 2137 struct srb_iocb *tmf = &sp->u.iocb_cmd; 2138 2139 if (res) 2140 tmf->u.tmf.data = res; 2141 complete(&tmf->u.tmf.comp); 2142 } 2143 2144 static int qla_tmf_wait(struct tmf_arg *arg) 2145 { 2146 /* there are only 2 types of error handling that reaches here, lun or target reset */ 2147 if (arg->flags & (TCF_LUN_RESET | TCF_ABORT_TASK_SET | TCF_CLEAR_TASK_SET)) 2148 return qla2x00_eh_wait_for_pending_commands(arg->vha, 2149 arg->fcport->d_id.b24, arg->lun, WAIT_LUN); 2150 else 2151 return qla2x00_eh_wait_for_pending_commands(arg->vha, 2152 arg->fcport->d_id.b24, arg->lun, WAIT_TARGET); 2153 } 2154 2155 static int 2156 __qla2x00_async_tm_cmd(struct tmf_arg *arg) 2157 { 2158 struct scsi_qla_host *vha = arg->vha; 2159 struct srb_iocb *tm_iocb; 2160 srb_t *sp; 2161 int rval = QLA_FUNCTION_FAILED; 2162 fc_port_t *fcport = arg->fcport; 2163 u32 chip_gen, login_gen; 2164 u64 jif; 2165 2166 if (TMF_NOT_READY(arg->fcport)) { 2167 ql_dbg(ql_dbg_taskm, vha, 0x8032, 2168 "FC port not ready for TM command loop-id=%x portid=%06x modifier=%x lun=%lld qp=%d.\n", 2169 fcport->loop_id, fcport->d_id.b24, 2170 arg->modifier, arg->lun, arg->qpair->id); 2171 return QLA_SUSPENDED; 2172 } 2173 2174 chip_gen = vha->hw->chip_reset; 2175 login_gen = fcport->login_gen; 2176 2177 /* ref: INIT */ 2178 sp = qla2xxx_get_qpair_sp(vha, arg->qpair, fcport, GFP_KERNEL); 2179 if (!sp) 2180 goto done; 2181 2182 qla_vha_mark_busy(vha); 2183 sp->type = SRB_TM_CMD; 2184 sp->name = "tmf"; 2185 qla2x00_init_async_sp(sp, qla2x00_get_async_timeout(vha), 2186 qla2x00_tmf_sp_done); 2187 sp->u.iocb_cmd.timeout = qla2x00_tmf_iocb_timeout; 2188 2189 tm_iocb = &sp->u.iocb_cmd; 2190 init_completion(&tm_iocb->u.tmf.comp); 2191 tm_iocb->u.tmf.flags = arg->flags; 2192 tm_iocb->u.tmf.lun = arg->lun; 2193 2194 START_SP_W_RETRIES(sp, rval, chip_gen, login_gen); 2195 2196 ql_dbg(ql_dbg_taskm, vha, 0x802f, 2197 "Async-tmf hdl=%x loop-id=%x portid=%06x ctrl=%x lun=%lld qp=%d rval=%x.\n", 2198 sp->handle, fcport->loop_id, fcport->d_id.b24, 2199 arg->flags, arg->lun, sp->qpair->id, rval); 2200 2201 if (rval != QLA_SUCCESS) 2202 goto done_free_sp; 2203 wait_for_completion(&tm_iocb->u.tmf.comp); 2204 2205 rval = tm_iocb->u.tmf.data; 2206 2207 if (rval != QLA_SUCCESS) { 2208 ql_log(ql_log_warn, vha, 0x8030, 2209 "TM IOCB failed (%x).\n", rval); 2210 } 2211 2212 if (!test_bit(UNLOADING, &vha->dpc_flags) && !IS_QLAFX00(vha->hw)) { 2213 jif = jiffies; 2214 if (qla_tmf_wait(arg)) { 2215 ql_log(ql_log_info, vha, 0x803e, 2216 "Waited %u ms Nexus=%ld:%06x:%llu.\n", 2217 jiffies_to_msecs(jiffies - jif), vha->host_no, 2218 fcport->d_id.b24, arg->lun); 2219 } 2220 2221 if (chip_gen == vha->hw->chip_reset && login_gen == fcport->login_gen) { 2222 rval = qla26xx_marker(arg); 2223 } else { 2224 ql_log(ql_log_info, vha, 0x803e, 2225 "Skip Marker due to disruption. Nexus=%ld:%06x:%llu.\n", 2226 vha->host_no, fcport->d_id.b24, arg->lun); 2227 rval = QLA_FUNCTION_FAILED; 2228 } 2229 } 2230 if (tm_iocb->u.tmf.data) 2231 rval = tm_iocb->u.tmf.data; 2232 2233 done_free_sp: 2234 /* ref: INIT */ 2235 kref_put(&sp->cmd_kref, qla2x00_sp_release); 2236 done: 2237 return rval; 2238 } 2239 2240 static void qla_put_tmf(struct tmf_arg *arg) 2241 { 2242 struct scsi_qla_host *vha = arg->vha; 2243 struct qla_hw_data *ha = vha->hw; 2244 unsigned long flags; 2245 2246 spin_lock_irqsave(&ha->tgt.sess_lock, flags); 2247 ha->active_tmf--; 2248 list_del(&arg->tmf_elem); 2249 spin_unlock_irqrestore(&ha->tgt.sess_lock, flags); 2250 } 2251 2252 static 2253 int qla_get_tmf(struct tmf_arg *arg) 2254 { 2255 struct scsi_qla_host *vha = arg->vha; 2256 struct qla_hw_data *ha = vha->hw; 2257 unsigned long flags; 2258 fc_port_t *fcport = arg->fcport; 2259 int rc = 0; 2260 struct tmf_arg *t; 2261 2262 spin_lock_irqsave(&ha->tgt.sess_lock, flags); 2263 list_for_each_entry(t, &ha->tmf_active, tmf_elem) { 2264 if (t->fcport == arg->fcport && t->lun == arg->lun) { 2265 /* reject duplicate TMF */ 2266 ql_log(ql_log_warn, vha, 0x802c, 2267 "found duplicate TMF. Nexus=%ld:%06x:%llu.\n", 2268 vha->host_no, fcport->d_id.b24, arg->lun); 2269 spin_unlock_irqrestore(&ha->tgt.sess_lock, flags); 2270 return -EINVAL; 2271 } 2272 } 2273 2274 list_add_tail(&arg->tmf_elem, &ha->tmf_pending); 2275 while (ha->active_tmf >= MAX_ACTIVE_TMF) { 2276 spin_unlock_irqrestore(&ha->tgt.sess_lock, flags); 2277 2278 msleep(1); 2279 2280 spin_lock_irqsave(&ha->tgt.sess_lock, flags); 2281 if (TMF_NOT_READY(fcport)) { 2282 ql_log(ql_log_warn, vha, 0x802c, 2283 "Unable to acquire TM resource due to disruption.\n"); 2284 rc = EIO; 2285 break; 2286 } 2287 if (ha->active_tmf < MAX_ACTIVE_TMF && 2288 list_is_first(&arg->tmf_elem, &ha->tmf_pending)) 2289 break; 2290 } 2291 2292 list_del(&arg->tmf_elem); 2293 2294 if (!rc) { 2295 ha->active_tmf++; 2296 list_add_tail(&arg->tmf_elem, &ha->tmf_active); 2297 } 2298 2299 spin_unlock_irqrestore(&ha->tgt.sess_lock, flags); 2300 2301 return rc; 2302 } 2303 2304 int 2305 qla2x00_async_tm_cmd(fc_port_t *fcport, uint32_t flags, uint64_t lun, 2306 uint32_t tag) 2307 { 2308 struct scsi_qla_host *vha = fcport->vha; 2309 struct tmf_arg a; 2310 int rval = QLA_SUCCESS; 2311 2312 if (TMF_NOT_READY(fcport)) 2313 return QLA_SUSPENDED; 2314 2315 a.vha = fcport->vha; 2316 a.fcport = fcport; 2317 a.lun = lun; 2318 a.flags = flags; 2319 INIT_LIST_HEAD(&a.tmf_elem); 2320 2321 if (flags & (TCF_LUN_RESET|TCF_ABORT_TASK_SET|TCF_CLEAR_TASK_SET|TCF_CLEAR_ACA)) { 2322 a.modifier = MK_SYNC_ID_LUN; 2323 } else { 2324 a.modifier = MK_SYNC_ID; 2325 } 2326 2327 if (qla_get_tmf(&a)) 2328 return QLA_FUNCTION_FAILED; 2329 2330 a.qpair = vha->hw->base_qpair; 2331 rval = __qla2x00_async_tm_cmd(&a); 2332 2333 qla_put_tmf(&a); 2334 return rval; 2335 } 2336 2337 int 2338 qla24xx_async_abort_command(srb_t *sp) 2339 { 2340 unsigned long flags = 0; 2341 2342 uint32_t handle; 2343 fc_port_t *fcport = sp->fcport; 2344 struct qla_qpair *qpair = sp->qpair; 2345 struct scsi_qla_host *vha = fcport->vha; 2346 struct req_que *req = qpair->req; 2347 2348 spin_lock_irqsave(qpair->qp_lock_ptr, flags); 2349 for (handle = 1; handle < req->num_outstanding_cmds; handle++) { 2350 if (req->outstanding_cmds[handle] == sp) 2351 break; 2352 } 2353 spin_unlock_irqrestore(qpair->qp_lock_ptr, flags); 2354 2355 if (handle == req->num_outstanding_cmds) { 2356 /* Command not found. */ 2357 return QLA_ERR_NOT_FOUND; 2358 } 2359 if (sp->type == SRB_FXIOCB_DCMD) 2360 return qlafx00_fx_disc(vha, &vha->hw->mr.fcport, 2361 FXDISC_ABORT_IOCTL); 2362 2363 return qla24xx_async_abort_cmd(sp, true); 2364 } 2365 2366 static void 2367 qla24xx_handle_prli_done_event(struct scsi_qla_host *vha, struct event_arg *ea) 2368 { 2369 struct srb *sp; 2370 WARN_ONCE(!qla2xxx_is_valid_mbs(ea->data[0]), "mbs: %#x\n", 2371 ea->data[0]); 2372 2373 switch (ea->data[0]) { 2374 case MBS_COMMAND_COMPLETE: 2375 ql_dbg(ql_dbg_disc, vha, 0x2118, 2376 "%s %d %8phC post gpdb\n", 2377 __func__, __LINE__, ea->fcport->port_name); 2378 2379 ea->fcport->chip_reset = vha->hw->base_qpair->chip_reset; 2380 ea->fcport->logout_on_delete = 1; 2381 ea->fcport->nvme_prli_service_param = ea->iop[0]; 2382 if (ea->iop[0] & NVME_PRLI_SP_FIRST_BURST) 2383 ea->fcport->nvme_first_burst_size = 2384 (ea->iop[1] & 0xffff) * 512; 2385 else 2386 ea->fcport->nvme_first_burst_size = 0; 2387 qla24xx_post_gpdb_work(vha, ea->fcport, 0); 2388 break; 2389 default: 2390 sp = ea->sp; 2391 ql_dbg(ql_dbg_disc, vha, 0x2118, 2392 "%s %d %8phC priority %s, fc4type %x prev try %s\n", 2393 __func__, __LINE__, ea->fcport->port_name, 2394 vha->hw->fc4_type_priority == FC4_PRIORITY_FCP ? 2395 "FCP" : "NVMe", ea->fcport->fc4_type, 2396 (sp->u.iocb_cmd.u.logio.flags & SRB_LOGIN_NVME_PRLI) ? 2397 "NVME" : "FCP"); 2398 2399 if (NVME_FCP_TARGET(ea->fcport)) { 2400 if (sp->u.iocb_cmd.u.logio.flags & SRB_LOGIN_NVME_PRLI) 2401 ea->fcport->do_prli_nvme = 0; 2402 else 2403 ea->fcport->do_prli_nvme = 1; 2404 } else { 2405 ea->fcport->do_prli_nvme = 0; 2406 } 2407 2408 if (N2N_TOPO(vha->hw)) { 2409 if (ea->fcport->n2n_link_reset_cnt == 2410 vha->hw->login_retry_count && 2411 ea->fcport->flags & FCF_FCSP_DEVICE) { 2412 /* remote authentication app just started */ 2413 ea->fcport->n2n_link_reset_cnt = 0; 2414 } 2415 2416 if (ea->fcport->n2n_link_reset_cnt < 2417 vha->hw->login_retry_count) { 2418 ea->fcport->n2n_link_reset_cnt++; 2419 vha->relogin_jif = jiffies + 2 * HZ; 2420 /* 2421 * PRLI failed. Reset link to kick start 2422 * state machine 2423 */ 2424 set_bit(N2N_LINK_RESET, &vha->dpc_flags); 2425 qla2xxx_wake_dpc(vha); 2426 } else { 2427 ql_log(ql_log_warn, vha, 0x2119, 2428 "%s %d %8phC Unable to reconnect\n", 2429 __func__, __LINE__, 2430 ea->fcport->port_name); 2431 } 2432 } else { 2433 /* 2434 * switch connect. login failed. Take connection down 2435 * and allow relogin to retrigger 2436 */ 2437 ea->fcport->flags &= ~FCF_ASYNC_SENT; 2438 ea->fcport->keep_nport_handle = 0; 2439 ea->fcport->logout_on_delete = 1; 2440 qlt_schedule_sess_for_deletion(ea->fcport); 2441 } 2442 break; 2443 } 2444 } 2445 2446 void 2447 qla24xx_handle_plogi_done_event(struct scsi_qla_host *vha, struct event_arg *ea) 2448 { 2449 port_id_t cid; /* conflict Nport id */ 2450 u16 lid; 2451 struct fc_port *conflict_fcport; 2452 unsigned long flags; 2453 struct fc_port *fcport = ea->fcport; 2454 2455 ql_dbg(ql_dbg_disc, vha, 0xffff, 2456 "%s %8phC DS %d LS %d rc %d login %d|%d rscn %d|%d data %x|%x iop %x|%x\n", 2457 __func__, fcport->port_name, fcport->disc_state, 2458 fcport->fw_login_state, ea->rc, ea->sp->gen2, fcport->login_gen, 2459 ea->sp->gen1, fcport->rscn_gen, 2460 ea->data[0], ea->data[1], ea->iop[0], ea->iop[1]); 2461 2462 if ((fcport->fw_login_state == DSC_LS_PLOGI_PEND) || 2463 (fcport->fw_login_state == DSC_LS_PRLI_PEND)) { 2464 ql_dbg(ql_dbg_disc, vha, 0x20ea, 2465 "%s %d %8phC Remote is trying to login\n", 2466 __func__, __LINE__, fcport->port_name); 2467 return; 2468 } 2469 2470 if ((fcport->disc_state == DSC_DELETE_PEND) || 2471 (fcport->disc_state == DSC_DELETED)) { 2472 set_bit(RELOGIN_NEEDED, &vha->dpc_flags); 2473 return; 2474 } 2475 2476 if (ea->sp->gen2 != fcport->login_gen) { 2477 /* target side must have changed it. */ 2478 ql_dbg(ql_dbg_disc, vha, 0x20d3, 2479 "%s %8phC generation changed\n", 2480 __func__, fcport->port_name); 2481 set_bit(RELOGIN_NEEDED, &vha->dpc_flags); 2482 return; 2483 } else if (ea->sp->gen1 != fcport->rscn_gen) { 2484 ql_dbg(ql_dbg_disc, vha, 0x20d3, 2485 "%s %8phC RSCN generation changed\n", 2486 __func__, fcport->port_name); 2487 qla_rscn_replay(fcport); 2488 qlt_schedule_sess_for_deletion(fcport); 2489 return; 2490 } 2491 2492 WARN_ONCE(!qla2xxx_is_valid_mbs(ea->data[0]), "mbs: %#x\n", 2493 ea->data[0]); 2494 2495 switch (ea->data[0]) { 2496 case MBS_COMMAND_COMPLETE: 2497 /* 2498 * Driver must validate login state - If PRLI not complete, 2499 * force a relogin attempt via implicit LOGO, PLOGI, and PRLI 2500 * requests. 2501 */ 2502 if (vha->hw->flags.edif_enabled) { 2503 set_bit(ea->fcport->loop_id, vha->hw->loop_id_map); 2504 spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags); 2505 ea->fcport->chip_reset = vha->hw->base_qpair->chip_reset; 2506 ea->fcport->logout_on_delete = 1; 2507 ea->fcport->send_els_logo = 0; 2508 ea->fcport->fw_login_state = DSC_LS_PLOGI_COMP; 2509 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags); 2510 2511 qla24xx_post_gpdb_work(vha, ea->fcport, 0); 2512 } else { 2513 if (NVME_TARGET(vha->hw, fcport)) { 2514 ql_dbg(ql_dbg_disc, vha, 0x2117, 2515 "%s %d %8phC post prli\n", 2516 __func__, __LINE__, fcport->port_name); 2517 qla24xx_post_prli_work(vha, fcport); 2518 } else { 2519 ql_dbg(ql_dbg_disc, vha, 0x20ea, 2520 "%s %d %8phC LoopID 0x%x in use with %06x. post gpdb\n", 2521 __func__, __LINE__, fcport->port_name, 2522 fcport->loop_id, fcport->d_id.b24); 2523 2524 set_bit(fcport->loop_id, vha->hw->loop_id_map); 2525 spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags); 2526 fcport->chip_reset = vha->hw->base_qpair->chip_reset; 2527 fcport->logout_on_delete = 1; 2528 fcport->send_els_logo = 0; 2529 fcport->fw_login_state = DSC_LS_PRLI_COMP; 2530 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags); 2531 2532 qla24xx_post_gpdb_work(vha, fcport, 0); 2533 } 2534 } 2535 break; 2536 case MBS_COMMAND_ERROR: 2537 ql_dbg(ql_dbg_disc, vha, 0x20eb, "%s %d %8phC cmd error %x\n", 2538 __func__, __LINE__, ea->fcport->port_name, ea->data[1]); 2539 2540 qlt_schedule_sess_for_deletion(ea->fcport); 2541 break; 2542 case MBS_LOOP_ID_USED: 2543 /* data[1] = IO PARAM 1 = nport ID */ 2544 cid.b.domain = (ea->iop[1] >> 16) & 0xff; 2545 cid.b.area = (ea->iop[1] >> 8) & 0xff; 2546 cid.b.al_pa = ea->iop[1] & 0xff; 2547 cid.b.rsvd_1 = 0; 2548 2549 ql_dbg(ql_dbg_disc, vha, 0x20ec, 2550 "%s %d %8phC lid %#x in use with pid %06x post gnl\n", 2551 __func__, __LINE__, ea->fcport->port_name, 2552 ea->fcport->loop_id, cid.b24); 2553 2554 set_bit(ea->fcport->loop_id, vha->hw->loop_id_map); 2555 ea->fcport->loop_id = FC_NO_LOOP_ID; 2556 qla24xx_post_gnl_work(vha, ea->fcport); 2557 break; 2558 case MBS_PORT_ID_USED: 2559 lid = ea->iop[1] & 0xffff; 2560 qlt_find_sess_invalidate_other(vha, 2561 wwn_to_u64(ea->fcport->port_name), 2562 ea->fcport->d_id, lid, &conflict_fcport); 2563 2564 if (conflict_fcport) { 2565 /* 2566 * Another fcport share the same loop_id/nport id. 2567 * Conflict fcport needs to finish cleanup before this 2568 * fcport can proceed to login. 2569 */ 2570 conflict_fcport->conflict = ea->fcport; 2571 ea->fcport->login_pause = 1; 2572 2573 ql_dbg(ql_dbg_disc, vha, 0x20ed, 2574 "%s %d %8phC NPortId %06x inuse with loopid 0x%x.\n", 2575 __func__, __LINE__, ea->fcport->port_name, 2576 ea->fcport->d_id.b24, lid); 2577 } else { 2578 ql_dbg(ql_dbg_disc, vha, 0x20ed, 2579 "%s %d %8phC NPortId %06x inuse with loopid 0x%x. sched delete\n", 2580 __func__, __LINE__, ea->fcport->port_name, 2581 ea->fcport->d_id.b24, lid); 2582 2583 qla2x00_clear_loop_id(ea->fcport); 2584 set_bit(lid, vha->hw->loop_id_map); 2585 ea->fcport->loop_id = lid; 2586 ea->fcport->keep_nport_handle = 0; 2587 ea->fcport->logout_on_delete = 1; 2588 qlt_schedule_sess_for_deletion(ea->fcport); 2589 } 2590 break; 2591 } 2592 return; 2593 } 2594 2595 /****************************************************************************/ 2596 /* QLogic ISP2x00 Hardware Support Functions. */ 2597 /****************************************************************************/ 2598 2599 static int 2600 qla83xx_nic_core_fw_load(scsi_qla_host_t *vha) 2601 { 2602 int rval = QLA_SUCCESS; 2603 struct qla_hw_data *ha = vha->hw; 2604 uint32_t idc_major_ver, idc_minor_ver; 2605 uint16_t config[4]; 2606 2607 qla83xx_idc_lock(vha, 0); 2608 2609 /* SV: TODO: Assign initialization timeout from 2610 * flash-info / other param 2611 */ 2612 ha->fcoe_dev_init_timeout = QLA83XX_IDC_INITIALIZATION_TIMEOUT; 2613 ha->fcoe_reset_timeout = QLA83XX_IDC_RESET_ACK_TIMEOUT; 2614 2615 /* Set our fcoe function presence */ 2616 if (__qla83xx_set_drv_presence(vha) != QLA_SUCCESS) { 2617 ql_dbg(ql_dbg_p3p, vha, 0xb077, 2618 "Error while setting DRV-Presence.\n"); 2619 rval = QLA_FUNCTION_FAILED; 2620 goto exit; 2621 } 2622 2623 /* Decide the reset ownership */ 2624 qla83xx_reset_ownership(vha); 2625 2626 /* 2627 * On first protocol driver load: 2628 * Init-Owner: Set IDC-Major-Version and Clear IDC-Lock-Recovery 2629 * register. 2630 * Others: Check compatibility with current IDC Major version. 2631 */ 2632 qla83xx_rd_reg(vha, QLA83XX_IDC_MAJOR_VERSION, &idc_major_ver); 2633 if (ha->flags.nic_core_reset_owner) { 2634 /* Set IDC Major version */ 2635 idc_major_ver = QLA83XX_SUPP_IDC_MAJOR_VERSION; 2636 qla83xx_wr_reg(vha, QLA83XX_IDC_MAJOR_VERSION, idc_major_ver); 2637 2638 /* Clearing IDC-Lock-Recovery register */ 2639 qla83xx_wr_reg(vha, QLA83XX_IDC_LOCK_RECOVERY, 0); 2640 } else if (idc_major_ver != QLA83XX_SUPP_IDC_MAJOR_VERSION) { 2641 /* 2642 * Clear further IDC participation if we are not compatible with 2643 * the current IDC Major Version. 2644 */ 2645 ql_log(ql_log_warn, vha, 0xb07d, 2646 "Failing load, idc_major_ver=%d, expected_major_ver=%d.\n", 2647 idc_major_ver, QLA83XX_SUPP_IDC_MAJOR_VERSION); 2648 __qla83xx_clear_drv_presence(vha); 2649 rval = QLA_FUNCTION_FAILED; 2650 goto exit; 2651 } 2652 /* Each function sets its supported Minor version. */ 2653 qla83xx_rd_reg(vha, QLA83XX_IDC_MINOR_VERSION, &idc_minor_ver); 2654 idc_minor_ver |= (QLA83XX_SUPP_IDC_MINOR_VERSION << (ha->portnum * 2)); 2655 qla83xx_wr_reg(vha, QLA83XX_IDC_MINOR_VERSION, idc_minor_ver); 2656 2657 if (ha->flags.nic_core_reset_owner) { 2658 memset(config, 0, sizeof(config)); 2659 if (!qla81xx_get_port_config(vha, config)) 2660 qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, 2661 QLA8XXX_DEV_READY); 2662 } 2663 2664 rval = qla83xx_idc_state_handler(vha); 2665 2666 exit: 2667 qla83xx_idc_unlock(vha, 0); 2668 2669 return rval; 2670 } 2671 2672 static void qla_enable_fce_trace(scsi_qla_host_t *vha) 2673 { 2674 int rval; 2675 struct qla_hw_data *ha = vha->hw; 2676 2677 if (ha->fce) { 2678 ha->flags.fce_enabled = 1; 2679 memset(ha->fce, 0, fce_calc_size(ha->fce_bufs)); 2680 rval = qla2x00_enable_fce_trace(vha, 2681 ha->fce_dma, ha->fce_bufs, ha->fce_mb, &ha->fce_bufs); 2682 2683 if (rval) { 2684 ql_log(ql_log_warn, vha, 0x8033, 2685 "Unable to reinitialize FCE (%d).\n", rval); 2686 ha->flags.fce_enabled = 0; 2687 } 2688 } 2689 } 2690 2691 static void qla_enable_eft_trace(scsi_qla_host_t *vha) 2692 { 2693 int rval; 2694 struct qla_hw_data *ha = vha->hw; 2695 2696 if (ha->eft) { 2697 memset(ha->eft, 0, EFT_SIZE); 2698 rval = qla2x00_enable_eft_trace(vha, ha->eft_dma, EFT_NUM_BUFFERS); 2699 2700 if (rval) { 2701 ql_log(ql_log_warn, vha, 0x8034, 2702 "Unable to reinitialize EFT (%d).\n", rval); 2703 } 2704 } 2705 } 2706 /* 2707 * qla2x00_initialize_adapter 2708 * Initialize board. 2709 * 2710 * Input: 2711 * ha = adapter block pointer. 2712 * 2713 * Returns: 2714 * 0 = success 2715 */ 2716 int 2717 qla2x00_initialize_adapter(scsi_qla_host_t *vha) 2718 { 2719 int rval; 2720 struct qla_hw_data *ha = vha->hw; 2721 struct req_que *req = ha->req_q_map[0]; 2722 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; 2723 2724 memset(&vha->qla_stats, 0, sizeof(vha->qla_stats)); 2725 memset(&vha->fc_host_stat, 0, sizeof(vha->fc_host_stat)); 2726 2727 /* Clear adapter flags. */ 2728 vha->flags.online = 0; 2729 ha->flags.chip_reset_done = 0; 2730 vha->flags.reset_active = 0; 2731 ha->flags.pci_channel_io_perm_failure = 0; 2732 ha->flags.eeh_busy = 0; 2733 vha->qla_stats.jiffies_at_last_reset = get_jiffies_64(); 2734 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); 2735 atomic_set(&vha->loop_state, LOOP_DOWN); 2736 vha->device_flags = DFLG_NO_CABLE; 2737 vha->dpc_flags = 0; 2738 vha->flags.management_server_logged_in = 0; 2739 vha->marker_needed = 0; 2740 ha->isp_abort_cnt = 0; 2741 ha->beacon_blink_led = 0; 2742 2743 set_bit(0, ha->req_qid_map); 2744 set_bit(0, ha->rsp_qid_map); 2745 2746 ql_dbg(ql_dbg_init, vha, 0x0040, 2747 "Configuring PCI space...\n"); 2748 rval = ha->isp_ops->pci_config(vha); 2749 if (rval) { 2750 ql_log(ql_log_warn, vha, 0x0044, 2751 "Unable to configure PCI space.\n"); 2752 return (rval); 2753 } 2754 2755 ha->isp_ops->reset_chip(vha); 2756 2757 /* Check for secure flash support */ 2758 if (IS_QLA28XX(ha)) { 2759 if (rd_reg_word(®->mailbox12) & BIT_0) 2760 ha->flags.secure_adapter = 1; 2761 ql_log(ql_log_info, vha, 0xffff, "Secure Adapter: %s\n", 2762 (ha->flags.secure_adapter) ? "Yes" : "No"); 2763 } 2764 2765 2766 rval = qla2xxx_get_flash_info(vha); 2767 if (rval) { 2768 ql_log(ql_log_fatal, vha, 0x004f, 2769 "Unable to validate FLASH data.\n"); 2770 return rval; 2771 } 2772 2773 if (IS_QLA8044(ha)) { 2774 qla8044_read_reset_template(vha); 2775 2776 /* NOTE: If ql2xdontresethba==1, set IDC_CTRL DONTRESET_BIT0. 2777 * If DONRESET_BIT0 is set, drivers should not set dev_state 2778 * to NEED_RESET. But if NEED_RESET is set, drivers should 2779 * should honor the reset. */ 2780 if (ql2xdontresethba == 1) 2781 qla8044_set_idc_dontreset(vha); 2782 } 2783 2784 ha->isp_ops->get_flash_version(vha, req->ring); 2785 ql_dbg(ql_dbg_init, vha, 0x0061, 2786 "Configure NVRAM parameters...\n"); 2787 2788 /* Let priority default to FCP, can be overridden by nvram_config */ 2789 ha->fc4_type_priority = FC4_PRIORITY_FCP; 2790 2791 ha->isp_ops->nvram_config(vha); 2792 2793 if (ha->fc4_type_priority != FC4_PRIORITY_FCP && 2794 ha->fc4_type_priority != FC4_PRIORITY_NVME) 2795 ha->fc4_type_priority = FC4_PRIORITY_FCP; 2796 2797 ql_log(ql_log_info, vha, 0xffff, "FC4 priority set to %s\n", 2798 ha->fc4_type_priority == FC4_PRIORITY_FCP ? "FCP" : "NVMe"); 2799 2800 if (ha->flags.disable_serdes) { 2801 /* Mask HBA via NVRAM settings? */ 2802 ql_log(ql_log_info, vha, 0x0077, 2803 "Masking HBA WWPN %8phN (via NVRAM).\n", vha->port_name); 2804 return QLA_FUNCTION_FAILED; 2805 } 2806 2807 ql_dbg(ql_dbg_init, vha, 0x0078, 2808 "Verifying loaded RISC code...\n"); 2809 2810 /* If smartsan enabled then require fdmi and rdp enabled */ 2811 if (ql2xsmartsan) { 2812 ql2xfdmienable = 1; 2813 ql2xrdpenable = 1; 2814 } 2815 2816 if (qla2x00_isp_firmware(vha) != QLA_SUCCESS) { 2817 rval = ha->isp_ops->chip_diag(vha); 2818 if (rval) 2819 return (rval); 2820 rval = qla2x00_setup_chip(vha); 2821 if (rval) 2822 return (rval); 2823 } 2824 2825 if (IS_QLA84XX(ha)) { 2826 ha->cs84xx = qla84xx_get_chip(vha); 2827 if (!ha->cs84xx) { 2828 ql_log(ql_log_warn, vha, 0x00d0, 2829 "Unable to configure ISP84XX.\n"); 2830 return QLA_FUNCTION_FAILED; 2831 } 2832 } 2833 2834 if (qla_ini_mode_enabled(vha) || qla_dual_mode_enabled(vha)) 2835 rval = qla2x00_init_rings(vha); 2836 2837 /* No point in continuing if firmware initialization failed. */ 2838 if (rval != QLA_SUCCESS) 2839 return rval; 2840 2841 ha->flags.chip_reset_done = 1; 2842 2843 if (rval == QLA_SUCCESS && IS_QLA84XX(ha)) { 2844 /* Issue verify 84xx FW IOCB to complete 84xx initialization */ 2845 rval = qla84xx_init_chip(vha); 2846 if (rval != QLA_SUCCESS) { 2847 ql_log(ql_log_warn, vha, 0x00d4, 2848 "Unable to initialize ISP84XX.\n"); 2849 qla84xx_put_chip(vha); 2850 } 2851 } 2852 2853 /* Load the NIC Core f/w if we are the first protocol driver. */ 2854 if (IS_QLA8031(ha)) { 2855 rval = qla83xx_nic_core_fw_load(vha); 2856 if (rval) 2857 ql_log(ql_log_warn, vha, 0x0124, 2858 "Error in initializing NIC Core f/w.\n"); 2859 } 2860 2861 if (IS_QLA24XX_TYPE(ha) || IS_QLA25XX(ha)) 2862 qla24xx_read_fcp_prio_cfg(vha); 2863 2864 if (IS_P3P_TYPE(ha)) 2865 qla82xx_set_driver_version(vha, QLA2XXX_VERSION); 2866 else 2867 qla25xx_set_driver_version(vha, QLA2XXX_VERSION); 2868 2869 return (rval); 2870 } 2871 2872 /** 2873 * qla2100_pci_config() - Setup ISP21xx PCI configuration registers. 2874 * @vha: HA context 2875 * 2876 * Returns 0 on success. 2877 */ 2878 int 2879 qla2100_pci_config(scsi_qla_host_t *vha) 2880 { 2881 uint16_t w; 2882 unsigned long flags; 2883 struct qla_hw_data *ha = vha->hw; 2884 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 2885 2886 pci_set_master(ha->pdev); 2887 pci_try_set_mwi(ha->pdev); 2888 2889 pci_read_config_word(ha->pdev, PCI_COMMAND, &w); 2890 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR); 2891 pci_write_config_word(ha->pdev, PCI_COMMAND, w); 2892 2893 pci_disable_rom(ha->pdev); 2894 2895 /* Get PCI bus information. */ 2896 spin_lock_irqsave(&ha->hardware_lock, flags); 2897 ha->pci_attr = rd_reg_word(®->ctrl_status); 2898 spin_unlock_irqrestore(&ha->hardware_lock, flags); 2899 2900 return QLA_SUCCESS; 2901 } 2902 2903 /** 2904 * qla2300_pci_config() - Setup ISP23xx PCI configuration registers. 2905 * @vha: HA context 2906 * 2907 * Returns 0 on success. 2908 */ 2909 int 2910 qla2300_pci_config(scsi_qla_host_t *vha) 2911 { 2912 uint16_t w; 2913 unsigned long flags = 0; 2914 uint32_t cnt; 2915 struct qla_hw_data *ha = vha->hw; 2916 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 2917 2918 pci_set_master(ha->pdev); 2919 pci_try_set_mwi(ha->pdev); 2920 2921 pci_read_config_word(ha->pdev, PCI_COMMAND, &w); 2922 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR); 2923 2924 if (IS_QLA2322(ha) || IS_QLA6322(ha)) 2925 w &= ~PCI_COMMAND_INTX_DISABLE; 2926 pci_write_config_word(ha->pdev, PCI_COMMAND, w); 2927 2928 /* 2929 * If this is a 2300 card and not 2312, reset the 2930 * COMMAND_INVALIDATE due to a bug in the 2300. Unfortunately, 2931 * the 2310 also reports itself as a 2300 so we need to get the 2932 * fb revision level -- a 6 indicates it really is a 2300 and 2933 * not a 2310. 2934 */ 2935 if (IS_QLA2300(ha)) { 2936 spin_lock_irqsave(&ha->hardware_lock, flags); 2937 2938 /* Pause RISC. */ 2939 wrt_reg_word(®->hccr, HCCR_PAUSE_RISC); 2940 for (cnt = 0; cnt < 30000; cnt++) { 2941 if ((rd_reg_word(®->hccr) & HCCR_RISC_PAUSE) != 0) 2942 break; 2943 2944 udelay(10); 2945 } 2946 2947 /* Select FPM registers. */ 2948 wrt_reg_word(®->ctrl_status, 0x20); 2949 rd_reg_word(®->ctrl_status); 2950 2951 /* Get the fb rev level */ 2952 ha->fb_rev = RD_FB_CMD_REG(ha, reg); 2953 2954 if (ha->fb_rev == FPM_2300) 2955 pci_clear_mwi(ha->pdev); 2956 2957 /* Deselect FPM registers. */ 2958 wrt_reg_word(®->ctrl_status, 0x0); 2959 rd_reg_word(®->ctrl_status); 2960 2961 /* Release RISC module. */ 2962 wrt_reg_word(®->hccr, HCCR_RELEASE_RISC); 2963 for (cnt = 0; cnt < 30000; cnt++) { 2964 if ((rd_reg_word(®->hccr) & HCCR_RISC_PAUSE) == 0) 2965 break; 2966 2967 udelay(10); 2968 } 2969 2970 spin_unlock_irqrestore(&ha->hardware_lock, flags); 2971 } 2972 2973 pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80); 2974 2975 pci_disable_rom(ha->pdev); 2976 2977 /* Get PCI bus information. */ 2978 spin_lock_irqsave(&ha->hardware_lock, flags); 2979 ha->pci_attr = rd_reg_word(®->ctrl_status); 2980 spin_unlock_irqrestore(&ha->hardware_lock, flags); 2981 2982 return QLA_SUCCESS; 2983 } 2984 2985 /** 2986 * qla24xx_pci_config() - Setup ISP24xx PCI configuration registers. 2987 * @vha: HA context 2988 * 2989 * Returns 0 on success. 2990 */ 2991 int 2992 qla24xx_pci_config(scsi_qla_host_t *vha) 2993 { 2994 uint16_t w; 2995 unsigned long flags = 0; 2996 struct qla_hw_data *ha = vha->hw; 2997 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; 2998 2999 pci_set_master(ha->pdev); 3000 pci_try_set_mwi(ha->pdev); 3001 3002 pci_read_config_word(ha->pdev, PCI_COMMAND, &w); 3003 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR); 3004 w &= ~PCI_COMMAND_INTX_DISABLE; 3005 pci_write_config_word(ha->pdev, PCI_COMMAND, w); 3006 3007 pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80); 3008 3009 /* PCI-X -- adjust Maximum Memory Read Byte Count (2048). */ 3010 if (pci_find_capability(ha->pdev, PCI_CAP_ID_PCIX)) 3011 pcix_set_mmrbc(ha->pdev, 2048); 3012 3013 /* PCIe -- adjust Maximum Read Request Size (2048). */ 3014 if (pci_is_pcie(ha->pdev)) 3015 pcie_set_readrq(ha->pdev, 4096); 3016 3017 pci_disable_rom(ha->pdev); 3018 3019 ha->chip_revision = ha->pdev->revision; 3020 3021 /* Get PCI bus information. */ 3022 spin_lock_irqsave(&ha->hardware_lock, flags); 3023 ha->pci_attr = rd_reg_dword(®->ctrl_status); 3024 spin_unlock_irqrestore(&ha->hardware_lock, flags); 3025 3026 return QLA_SUCCESS; 3027 } 3028 3029 /** 3030 * qla25xx_pci_config() - Setup ISP25xx PCI configuration registers. 3031 * @vha: HA context 3032 * 3033 * Returns 0 on success. 3034 */ 3035 int 3036 qla25xx_pci_config(scsi_qla_host_t *vha) 3037 { 3038 uint16_t w; 3039 struct qla_hw_data *ha = vha->hw; 3040 3041 pci_set_master(ha->pdev); 3042 pci_try_set_mwi(ha->pdev); 3043 3044 pci_read_config_word(ha->pdev, PCI_COMMAND, &w); 3045 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR); 3046 w &= ~PCI_COMMAND_INTX_DISABLE; 3047 pci_write_config_word(ha->pdev, PCI_COMMAND, w); 3048 3049 /* PCIe -- adjust Maximum Read Request Size (2048). */ 3050 if (pci_is_pcie(ha->pdev)) 3051 pcie_set_readrq(ha->pdev, 4096); 3052 3053 pci_disable_rom(ha->pdev); 3054 3055 ha->chip_revision = ha->pdev->revision; 3056 3057 return QLA_SUCCESS; 3058 } 3059 3060 /** 3061 * qla2x00_isp_firmware() - Choose firmware image. 3062 * @vha: HA context 3063 * 3064 * Returns 0 on success. 3065 */ 3066 static int 3067 qla2x00_isp_firmware(scsi_qla_host_t *vha) 3068 { 3069 int rval; 3070 uint16_t loop_id, topo, sw_cap; 3071 uint8_t domain, area, al_pa; 3072 struct qla_hw_data *ha = vha->hw; 3073 3074 /* Assume loading risc code */ 3075 rval = QLA_FUNCTION_FAILED; 3076 3077 if (ha->flags.disable_risc_code_load) { 3078 ql_log(ql_log_info, vha, 0x0079, "RISC CODE NOT loaded.\n"); 3079 3080 /* Verify checksum of loaded RISC code. */ 3081 rval = qla2x00_verify_checksum(vha, ha->fw_srisc_address); 3082 if (rval == QLA_SUCCESS) { 3083 /* And, verify we are not in ROM code. */ 3084 rval = qla2x00_get_adapter_id(vha, &loop_id, &al_pa, 3085 &area, &domain, &topo, &sw_cap); 3086 } 3087 } 3088 3089 if (rval) 3090 ql_dbg(ql_dbg_init, vha, 0x007a, 3091 "**** Load RISC code ****.\n"); 3092 3093 return (rval); 3094 } 3095 3096 /** 3097 * qla2x00_reset_chip() - Reset ISP chip. 3098 * @vha: HA context 3099 * 3100 * Returns 0 on success. 3101 */ 3102 int 3103 qla2x00_reset_chip(scsi_qla_host_t *vha) 3104 { 3105 unsigned long flags = 0; 3106 struct qla_hw_data *ha = vha->hw; 3107 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 3108 uint32_t cnt; 3109 uint16_t cmd; 3110 int rval = QLA_FUNCTION_FAILED; 3111 3112 if (unlikely(pci_channel_offline(ha->pdev))) 3113 return rval; 3114 3115 ha->isp_ops->disable_intrs(ha); 3116 3117 spin_lock_irqsave(&ha->hardware_lock, flags); 3118 3119 /* Turn off master enable */ 3120 cmd = 0; 3121 pci_read_config_word(ha->pdev, PCI_COMMAND, &cmd); 3122 cmd &= ~PCI_COMMAND_MASTER; 3123 pci_write_config_word(ha->pdev, PCI_COMMAND, cmd); 3124 3125 if (!IS_QLA2100(ha)) { 3126 /* Pause RISC. */ 3127 wrt_reg_word(®->hccr, HCCR_PAUSE_RISC); 3128 if (IS_QLA2200(ha) || IS_QLA2300(ha)) { 3129 for (cnt = 0; cnt < 30000; cnt++) { 3130 if ((rd_reg_word(®->hccr) & 3131 HCCR_RISC_PAUSE) != 0) 3132 break; 3133 udelay(100); 3134 } 3135 } else { 3136 rd_reg_word(®->hccr); /* PCI Posting. */ 3137 udelay(10); 3138 } 3139 3140 /* Select FPM registers. */ 3141 wrt_reg_word(®->ctrl_status, 0x20); 3142 rd_reg_word(®->ctrl_status); /* PCI Posting. */ 3143 3144 /* FPM Soft Reset. */ 3145 wrt_reg_word(®->fpm_diag_config, 0x100); 3146 rd_reg_word(®->fpm_diag_config); /* PCI Posting. */ 3147 3148 /* Toggle Fpm Reset. */ 3149 if (!IS_QLA2200(ha)) { 3150 wrt_reg_word(®->fpm_diag_config, 0x0); 3151 rd_reg_word(®->fpm_diag_config); /* PCI Posting. */ 3152 } 3153 3154 /* Select frame buffer registers. */ 3155 wrt_reg_word(®->ctrl_status, 0x10); 3156 rd_reg_word(®->ctrl_status); /* PCI Posting. */ 3157 3158 /* Reset frame buffer FIFOs. */ 3159 if (IS_QLA2200(ha)) { 3160 WRT_FB_CMD_REG(ha, reg, 0xa000); 3161 RD_FB_CMD_REG(ha, reg); /* PCI Posting. */ 3162 } else { 3163 WRT_FB_CMD_REG(ha, reg, 0x00fc); 3164 3165 /* Read back fb_cmd until zero or 3 seconds max */ 3166 for (cnt = 0; cnt < 3000; cnt++) { 3167 if ((RD_FB_CMD_REG(ha, reg) & 0xff) == 0) 3168 break; 3169 udelay(100); 3170 } 3171 } 3172 3173 /* Select RISC module registers. */ 3174 wrt_reg_word(®->ctrl_status, 0); 3175 rd_reg_word(®->ctrl_status); /* PCI Posting. */ 3176 3177 /* Reset RISC processor. */ 3178 wrt_reg_word(®->hccr, HCCR_RESET_RISC); 3179 rd_reg_word(®->hccr); /* PCI Posting. */ 3180 3181 /* Release RISC processor. */ 3182 wrt_reg_word(®->hccr, HCCR_RELEASE_RISC); 3183 rd_reg_word(®->hccr); /* PCI Posting. */ 3184 } 3185 3186 wrt_reg_word(®->hccr, HCCR_CLR_RISC_INT); 3187 wrt_reg_word(®->hccr, HCCR_CLR_HOST_INT); 3188 3189 /* Reset ISP chip. */ 3190 wrt_reg_word(®->ctrl_status, CSR_ISP_SOFT_RESET); 3191 3192 /* Wait for RISC to recover from reset. */ 3193 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) { 3194 /* 3195 * It is necessary to for a delay here since the card doesn't 3196 * respond to PCI reads during a reset. On some architectures 3197 * this will result in an MCA. 3198 */ 3199 udelay(20); 3200 for (cnt = 30000; cnt; cnt--) { 3201 if ((rd_reg_word(®->ctrl_status) & 3202 CSR_ISP_SOFT_RESET) == 0) 3203 break; 3204 udelay(100); 3205 } 3206 } else 3207 udelay(10); 3208 3209 /* Reset RISC processor. */ 3210 wrt_reg_word(®->hccr, HCCR_RESET_RISC); 3211 3212 wrt_reg_word(®->semaphore, 0); 3213 3214 /* Release RISC processor. */ 3215 wrt_reg_word(®->hccr, HCCR_RELEASE_RISC); 3216 rd_reg_word(®->hccr); /* PCI Posting. */ 3217 3218 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) { 3219 for (cnt = 0; cnt < 30000; cnt++) { 3220 if (RD_MAILBOX_REG(ha, reg, 0) != MBS_BUSY) 3221 break; 3222 3223 udelay(100); 3224 } 3225 } else 3226 udelay(100); 3227 3228 /* Turn on master enable */ 3229 cmd |= PCI_COMMAND_MASTER; 3230 pci_write_config_word(ha->pdev, PCI_COMMAND, cmd); 3231 3232 /* Disable RISC pause on FPM parity error. */ 3233 if (!IS_QLA2100(ha)) { 3234 wrt_reg_word(®->hccr, HCCR_DISABLE_PARITY_PAUSE); 3235 rd_reg_word(®->hccr); /* PCI Posting. */ 3236 } 3237 3238 spin_unlock_irqrestore(&ha->hardware_lock, flags); 3239 3240 return QLA_SUCCESS; 3241 } 3242 3243 /** 3244 * qla81xx_reset_mpi() - Reset's MPI FW via Write MPI Register MBC. 3245 * @vha: HA context 3246 * 3247 * Returns 0 on success. 3248 */ 3249 static int 3250 qla81xx_reset_mpi(scsi_qla_host_t *vha) 3251 { 3252 uint16_t mb[4] = {0x1010, 0, 1, 0}; 3253 3254 if (!IS_QLA81XX(vha->hw)) 3255 return QLA_SUCCESS; 3256 3257 return qla81xx_write_mpi_register(vha, mb); 3258 } 3259 3260 static int 3261 qla_chk_risc_recovery(scsi_qla_host_t *vha) 3262 { 3263 struct qla_hw_data *ha = vha->hw; 3264 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; 3265 __le16 __iomem *mbptr = ®->mailbox0; 3266 int i; 3267 u16 mb[32]; 3268 int rc = QLA_SUCCESS; 3269 3270 if (!IS_QLA27XX(ha) && !IS_QLA28XX(ha)) 3271 return rc; 3272 3273 /* this check is only valid after RISC reset */ 3274 mb[0] = rd_reg_word(mbptr); 3275 mbptr++; 3276 if (mb[0] == 0xf) { 3277 rc = QLA_FUNCTION_FAILED; 3278 3279 for (i = 1; i < 32; i++) { 3280 mb[i] = rd_reg_word(mbptr); 3281 mbptr++; 3282 } 3283 3284 ql_log(ql_log_warn, vha, 0x1015, 3285 "RISC reset failed. mb[0-7] %04xh %04xh %04xh %04xh %04xh %04xh %04xh %04xh\n", 3286 mb[0], mb[1], mb[2], mb[3], mb[4], mb[5], mb[6], mb[7]); 3287 ql_log(ql_log_warn, vha, 0x1015, 3288 "RISC reset failed. mb[8-15] %04xh %04xh %04xh %04xh %04xh %04xh %04xh %04xh\n", 3289 mb[8], mb[9], mb[10], mb[11], mb[12], mb[13], mb[14], 3290 mb[15]); 3291 ql_log(ql_log_warn, vha, 0x1015, 3292 "RISC reset failed. mb[16-23] %04xh %04xh %04xh %04xh %04xh %04xh %04xh %04xh\n", 3293 mb[16], mb[17], mb[18], mb[19], mb[20], mb[21], mb[22], 3294 mb[23]); 3295 ql_log(ql_log_warn, vha, 0x1015, 3296 "RISC reset failed. mb[24-31] %04xh %04xh %04xh %04xh %04xh %04xh %04xh %04xh\n", 3297 mb[24], mb[25], mb[26], mb[27], mb[28], mb[29], mb[30], 3298 mb[31]); 3299 } 3300 return rc; 3301 } 3302 3303 /** 3304 * qla24xx_reset_risc() - Perform full reset of ISP24xx RISC. 3305 * @vha: HA context 3306 * 3307 * Returns 0 on success. 3308 */ 3309 static inline int 3310 qla24xx_reset_risc(scsi_qla_host_t *vha) 3311 { 3312 unsigned long flags = 0; 3313 struct qla_hw_data *ha = vha->hw; 3314 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; 3315 uint32_t cnt; 3316 uint16_t wd; 3317 static int abts_cnt; /* ISP abort retry counts */ 3318 int rval = QLA_SUCCESS; 3319 int print = 1; 3320 3321 spin_lock_irqsave(&ha->hardware_lock, flags); 3322 3323 /* Reset RISC. */ 3324 wrt_reg_dword(®->ctrl_status, CSRX_DMA_SHUTDOWN|MWB_4096_BYTES); 3325 for (cnt = 0; cnt < 30000; cnt++) { 3326 if ((rd_reg_dword(®->ctrl_status) & CSRX_DMA_ACTIVE) == 0) 3327 break; 3328 3329 udelay(10); 3330 } 3331 3332 if (!(rd_reg_dword(®->ctrl_status) & CSRX_DMA_ACTIVE)) 3333 set_bit(DMA_SHUTDOWN_CMPL, &ha->fw_dump_cap_flags); 3334 3335 ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x017e, 3336 "HCCR: 0x%x, Control Status %x, DMA active status:0x%x\n", 3337 rd_reg_dword(®->hccr), 3338 rd_reg_dword(®->ctrl_status), 3339 (rd_reg_dword(®->ctrl_status) & CSRX_DMA_ACTIVE)); 3340 3341 wrt_reg_dword(®->ctrl_status, 3342 CSRX_ISP_SOFT_RESET|CSRX_DMA_SHUTDOWN|MWB_4096_BYTES); 3343 pci_read_config_word(ha->pdev, PCI_COMMAND, &wd); 3344 3345 udelay(100); 3346 3347 /* Wait for firmware to complete NVRAM accesses. */ 3348 rd_reg_word(®->mailbox0); 3349 for (cnt = 10000; rd_reg_word(®->mailbox0) != 0 && 3350 rval == QLA_SUCCESS; cnt--) { 3351 barrier(); 3352 if (cnt) 3353 udelay(5); 3354 else 3355 rval = QLA_FUNCTION_TIMEOUT; 3356 } 3357 3358 if (rval == QLA_SUCCESS) 3359 set_bit(ISP_MBX_RDY, &ha->fw_dump_cap_flags); 3360 3361 ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x017f, 3362 "HCCR: 0x%x, MailBox0 Status 0x%x\n", 3363 rd_reg_dword(®->hccr), 3364 rd_reg_word(®->mailbox0)); 3365 3366 /* Wait for soft-reset to complete. */ 3367 rd_reg_dword(®->ctrl_status); 3368 for (cnt = 0; cnt < 60; cnt++) { 3369 barrier(); 3370 if ((rd_reg_dword(®->ctrl_status) & 3371 CSRX_ISP_SOFT_RESET) == 0) 3372 break; 3373 3374 udelay(5); 3375 } 3376 if (!(rd_reg_dword(®->ctrl_status) & CSRX_ISP_SOFT_RESET)) 3377 set_bit(ISP_SOFT_RESET_CMPL, &ha->fw_dump_cap_flags); 3378 3379 ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x015d, 3380 "HCCR: 0x%x, Soft Reset status: 0x%x\n", 3381 rd_reg_dword(®->hccr), 3382 rd_reg_dword(®->ctrl_status)); 3383 3384 /* If required, do an MPI FW reset now */ 3385 if (test_and_clear_bit(MPI_RESET_NEEDED, &vha->dpc_flags)) { 3386 if (qla81xx_reset_mpi(vha) != QLA_SUCCESS) { 3387 if (++abts_cnt < 5) { 3388 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 3389 set_bit(MPI_RESET_NEEDED, &vha->dpc_flags); 3390 } else { 3391 /* 3392 * We exhausted the ISP abort retries. We have to 3393 * set the board offline. 3394 */ 3395 abts_cnt = 0; 3396 vha->flags.online = 0; 3397 } 3398 } 3399 } 3400 3401 wrt_reg_dword(®->hccr, HCCRX_SET_RISC_RESET); 3402 rd_reg_dword(®->hccr); 3403 3404 wrt_reg_dword(®->hccr, HCCRX_REL_RISC_PAUSE); 3405 rd_reg_dword(®->hccr); 3406 3407 wrt_reg_dword(®->hccr, HCCRX_CLR_RISC_RESET); 3408 mdelay(10); 3409 rd_reg_dword(®->hccr); 3410 3411 wd = rd_reg_word(®->mailbox0); 3412 for (cnt = 300; wd != 0 && rval == QLA_SUCCESS; cnt--) { 3413 barrier(); 3414 if (cnt) { 3415 mdelay(1); 3416 if (print && qla_chk_risc_recovery(vha)) 3417 print = 0; 3418 3419 wd = rd_reg_word(®->mailbox0); 3420 } else { 3421 rval = QLA_FUNCTION_TIMEOUT; 3422 3423 ql_log(ql_log_warn, vha, 0x015e, 3424 "RISC reset timeout\n"); 3425 } 3426 } 3427 3428 if (rval == QLA_SUCCESS) 3429 set_bit(RISC_RDY_AFT_RESET, &ha->fw_dump_cap_flags); 3430 3431 ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x015e, 3432 "Host Risc 0x%x, mailbox0 0x%x\n", 3433 rd_reg_dword(®->hccr), 3434 rd_reg_word(®->mailbox0)); 3435 3436 spin_unlock_irqrestore(&ha->hardware_lock, flags); 3437 3438 ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x015f, 3439 "Driver in %s mode\n", 3440 IS_NOPOLLING_TYPE(ha) ? "Interrupt" : "Polling"); 3441 3442 if (IS_NOPOLLING_TYPE(ha)) 3443 ha->isp_ops->enable_intrs(ha); 3444 3445 return rval; 3446 } 3447 3448 static void 3449 qla25xx_read_risc_sema_reg(scsi_qla_host_t *vha, uint32_t *data) 3450 { 3451 struct device_reg_24xx __iomem *reg = &vha->hw->iobase->isp24; 3452 3453 wrt_reg_dword(®->iobase_addr, RISC_REGISTER_BASE_OFFSET); 3454 *data = rd_reg_dword(®->iobase_window + RISC_REGISTER_WINDOW_OFFSET); 3455 } 3456 3457 static void 3458 qla25xx_write_risc_sema_reg(scsi_qla_host_t *vha, uint32_t data) 3459 { 3460 struct device_reg_24xx __iomem *reg = &vha->hw->iobase->isp24; 3461 3462 wrt_reg_dword(®->iobase_addr, RISC_REGISTER_BASE_OFFSET); 3463 wrt_reg_dword(®->iobase_window + RISC_REGISTER_WINDOW_OFFSET, data); 3464 } 3465 3466 static void 3467 qla25xx_manipulate_risc_semaphore(scsi_qla_host_t *vha) 3468 { 3469 uint32_t wd32 = 0; 3470 uint delta_msec = 100; 3471 uint elapsed_msec = 0; 3472 uint timeout_msec; 3473 ulong n; 3474 3475 if (vha->hw->pdev->subsystem_device != 0x0175 && 3476 vha->hw->pdev->subsystem_device != 0x0240) 3477 return; 3478 3479 wrt_reg_dword(&vha->hw->iobase->isp24.hccr, HCCRX_SET_RISC_PAUSE); 3480 udelay(100); 3481 3482 attempt: 3483 timeout_msec = TIMEOUT_SEMAPHORE; 3484 n = timeout_msec / delta_msec; 3485 while (n--) { 3486 qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_SET); 3487 qla25xx_read_risc_sema_reg(vha, &wd32); 3488 if (wd32 & RISC_SEMAPHORE) 3489 break; 3490 msleep(delta_msec); 3491 elapsed_msec += delta_msec; 3492 if (elapsed_msec > TIMEOUT_TOTAL_ELAPSED) 3493 goto force; 3494 } 3495 3496 if (!(wd32 & RISC_SEMAPHORE)) 3497 goto force; 3498 3499 if (!(wd32 & RISC_SEMAPHORE_FORCE)) 3500 goto acquired; 3501 3502 qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_CLR); 3503 timeout_msec = TIMEOUT_SEMAPHORE_FORCE; 3504 n = timeout_msec / delta_msec; 3505 while (n--) { 3506 qla25xx_read_risc_sema_reg(vha, &wd32); 3507 if (!(wd32 & RISC_SEMAPHORE_FORCE)) 3508 break; 3509 msleep(delta_msec); 3510 elapsed_msec += delta_msec; 3511 if (elapsed_msec > TIMEOUT_TOTAL_ELAPSED) 3512 goto force; 3513 } 3514 3515 if (wd32 & RISC_SEMAPHORE_FORCE) 3516 qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_FORCE_CLR); 3517 3518 goto attempt; 3519 3520 force: 3521 qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_FORCE_SET); 3522 3523 acquired: 3524 return; 3525 } 3526 3527 /** 3528 * qla24xx_reset_chip() - Reset ISP24xx chip. 3529 * @vha: HA context 3530 * 3531 * Returns 0 on success. 3532 */ 3533 int 3534 qla24xx_reset_chip(scsi_qla_host_t *vha) 3535 { 3536 struct qla_hw_data *ha = vha->hw; 3537 int rval = QLA_FUNCTION_FAILED; 3538 3539 if (pci_channel_offline(ha->pdev) && 3540 ha->flags.pci_channel_io_perm_failure) { 3541 return rval; 3542 } 3543 3544 ha->isp_ops->disable_intrs(ha); 3545 3546 qla25xx_manipulate_risc_semaphore(vha); 3547 3548 /* Perform RISC reset. */ 3549 rval = qla24xx_reset_risc(vha); 3550 3551 return rval; 3552 } 3553 3554 /** 3555 * qla2x00_chip_diag() - Test chip for proper operation. 3556 * @vha: HA context 3557 * 3558 * Returns 0 on success. 3559 */ 3560 int 3561 qla2x00_chip_diag(scsi_qla_host_t *vha) 3562 { 3563 int rval; 3564 struct qla_hw_data *ha = vha->hw; 3565 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 3566 unsigned long flags = 0; 3567 uint16_t data; 3568 uint32_t cnt; 3569 uint16_t mb[5]; 3570 struct req_que *req = ha->req_q_map[0]; 3571 3572 /* Assume a failed state */ 3573 rval = QLA_FUNCTION_FAILED; 3574 3575 ql_dbg(ql_dbg_init, vha, 0x007b, "Testing device at %p.\n", 3576 ®->flash_address); 3577 3578 spin_lock_irqsave(&ha->hardware_lock, flags); 3579 3580 /* Reset ISP chip. */ 3581 wrt_reg_word(®->ctrl_status, CSR_ISP_SOFT_RESET); 3582 3583 /* 3584 * We need to have a delay here since the card will not respond while 3585 * in reset causing an MCA on some architectures. 3586 */ 3587 udelay(20); 3588 data = qla2x00_debounce_register(®->ctrl_status); 3589 for (cnt = 6000000 ; cnt && (data & CSR_ISP_SOFT_RESET); cnt--) { 3590 udelay(5); 3591 data = rd_reg_word(®->ctrl_status); 3592 barrier(); 3593 } 3594 3595 if (!cnt) 3596 goto chip_diag_failed; 3597 3598 ql_dbg(ql_dbg_init, vha, 0x007c, 3599 "Reset register cleared by chip reset.\n"); 3600 3601 /* Reset RISC processor. */ 3602 wrt_reg_word(®->hccr, HCCR_RESET_RISC); 3603 wrt_reg_word(®->hccr, HCCR_RELEASE_RISC); 3604 3605 /* Workaround for QLA2312 PCI parity error */ 3606 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) { 3607 data = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 0)); 3608 for (cnt = 6000000; cnt && (data == MBS_BUSY); cnt--) { 3609 udelay(5); 3610 data = RD_MAILBOX_REG(ha, reg, 0); 3611 barrier(); 3612 } 3613 } else 3614 udelay(10); 3615 3616 if (!cnt) 3617 goto chip_diag_failed; 3618 3619 /* Check product ID of chip */ 3620 ql_dbg(ql_dbg_init, vha, 0x007d, "Checking product ID of chip.\n"); 3621 3622 mb[1] = RD_MAILBOX_REG(ha, reg, 1); 3623 mb[2] = RD_MAILBOX_REG(ha, reg, 2); 3624 mb[3] = RD_MAILBOX_REG(ha, reg, 3); 3625 mb[4] = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 4)); 3626 if (mb[1] != PROD_ID_1 || (mb[2] != PROD_ID_2 && mb[2] != PROD_ID_2a) || 3627 mb[3] != PROD_ID_3) { 3628 ql_log(ql_log_warn, vha, 0x0062, 3629 "Wrong product ID = 0x%x,0x%x,0x%x.\n", 3630 mb[1], mb[2], mb[3]); 3631 3632 goto chip_diag_failed; 3633 } 3634 ha->product_id[0] = mb[1]; 3635 ha->product_id[1] = mb[2]; 3636 ha->product_id[2] = mb[3]; 3637 ha->product_id[3] = mb[4]; 3638 3639 /* Adjust fw RISC transfer size */ 3640 if (req->length > 1024) 3641 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024; 3642 else 3643 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 3644 req->length; 3645 3646 if (IS_QLA2200(ha) && 3647 RD_MAILBOX_REG(ha, reg, 7) == QLA2200A_RISC_ROM_VER) { 3648 /* Limit firmware transfer size with a 2200A */ 3649 ql_dbg(ql_dbg_init, vha, 0x007e, "Found QLA2200A Chip.\n"); 3650 3651 ha->device_type |= DT_ISP2200A; 3652 ha->fw_transfer_size = 128; 3653 } 3654 3655 /* Wrap Incoming Mailboxes Test. */ 3656 spin_unlock_irqrestore(&ha->hardware_lock, flags); 3657 3658 ql_dbg(ql_dbg_init, vha, 0x007f, "Checking mailboxes.\n"); 3659 rval = qla2x00_mbx_reg_test(vha); 3660 if (rval) 3661 ql_log(ql_log_warn, vha, 0x0080, 3662 "Failed mailbox send register test.\n"); 3663 else 3664 /* Flag a successful rval */ 3665 rval = QLA_SUCCESS; 3666 spin_lock_irqsave(&ha->hardware_lock, flags); 3667 3668 chip_diag_failed: 3669 if (rval) 3670 ql_log(ql_log_info, vha, 0x0081, 3671 "Chip diagnostics **** FAILED ****.\n"); 3672 3673 spin_unlock_irqrestore(&ha->hardware_lock, flags); 3674 3675 return (rval); 3676 } 3677 3678 /** 3679 * qla24xx_chip_diag() - Test ISP24xx for proper operation. 3680 * @vha: HA context 3681 * 3682 * Returns 0 on success. 3683 */ 3684 int 3685 qla24xx_chip_diag(scsi_qla_host_t *vha) 3686 { 3687 int rval; 3688 struct qla_hw_data *ha = vha->hw; 3689 struct req_que *req = ha->req_q_map[0]; 3690 3691 if (IS_P3P_TYPE(ha)) 3692 return QLA_SUCCESS; 3693 3694 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * req->length; 3695 3696 rval = qla2x00_mbx_reg_test(vha); 3697 if (rval) { 3698 ql_log(ql_log_warn, vha, 0x0082, 3699 "Failed mailbox send register test.\n"); 3700 } else { 3701 /* Flag a successful rval */ 3702 rval = QLA_SUCCESS; 3703 } 3704 3705 return rval; 3706 } 3707 3708 static void 3709 qla2x00_alloc_fce_trace(scsi_qla_host_t *vha) 3710 { 3711 dma_addr_t tc_dma; 3712 void *tc; 3713 struct qla_hw_data *ha = vha->hw; 3714 3715 if (!IS_FWI2_CAPABLE(ha)) 3716 return; 3717 3718 if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha) && !IS_QLA83XX(ha) && 3719 !IS_QLA27XX(ha) && !IS_QLA28XX(ha)) 3720 return; 3721 3722 if (ha->fce) { 3723 ql_dbg(ql_dbg_init, vha, 0x00bd, 3724 "%s: FCE Mem is already allocated.\n", 3725 __func__); 3726 return; 3727 } 3728 3729 /* Allocate memory for Fibre Channel Event Buffer. */ 3730 tc = dma_alloc_coherent(&ha->pdev->dev, FCE_SIZE, &tc_dma, 3731 GFP_KERNEL); 3732 if (!tc) { 3733 ql_log(ql_log_warn, vha, 0x00be, 3734 "Unable to allocate (%d KB) for FCE.\n", 3735 FCE_SIZE / 1024); 3736 return; 3737 } 3738 3739 ql_dbg(ql_dbg_init, vha, 0x00c0, 3740 "Allocated (%d KB) for FCE...\n", FCE_SIZE / 1024); 3741 3742 ha->fce_dma = tc_dma; 3743 ha->fce = tc; 3744 ha->fce_bufs = FCE_NUM_BUFFERS; 3745 } 3746 3747 static void 3748 qla2x00_alloc_eft_trace(scsi_qla_host_t *vha) 3749 { 3750 dma_addr_t tc_dma; 3751 void *tc; 3752 struct qla_hw_data *ha = vha->hw; 3753 3754 if (!IS_FWI2_CAPABLE(ha)) 3755 return; 3756 3757 if (ha->eft) { 3758 ql_dbg(ql_dbg_init, vha, 0x00bd, 3759 "%s: EFT Mem is already allocated.\n", 3760 __func__); 3761 return; 3762 } 3763 3764 /* Allocate memory for Extended Trace Buffer. */ 3765 tc = dma_alloc_coherent(&ha->pdev->dev, EFT_SIZE, &tc_dma, 3766 GFP_KERNEL); 3767 if (!tc) { 3768 ql_log(ql_log_warn, vha, 0x00c1, 3769 "Unable to allocate (%d KB) for EFT.\n", 3770 EFT_SIZE / 1024); 3771 return; 3772 } 3773 3774 ql_dbg(ql_dbg_init, vha, 0x00c3, 3775 "Allocated (%d KB) EFT ...\n", EFT_SIZE / 1024); 3776 3777 ha->eft_dma = tc_dma; 3778 ha->eft = tc; 3779 } 3780 3781 void 3782 qla2x00_alloc_fw_dump(scsi_qla_host_t *vha) 3783 { 3784 uint32_t dump_size, fixed_size, mem_size, req_q_size, rsp_q_size, 3785 eft_size, fce_size, mq_size; 3786 struct qla_hw_data *ha = vha->hw; 3787 struct req_que *req = ha->req_q_map[0]; 3788 struct rsp_que *rsp = ha->rsp_q_map[0]; 3789 struct qla2xxx_fw_dump *fw_dump; 3790 3791 if (ha->fw_dump) { 3792 ql_dbg(ql_dbg_init, vha, 0x00bd, 3793 "Firmware dump already allocated.\n"); 3794 return; 3795 } 3796 3797 ha->fw_dumped = 0; 3798 ha->fw_dump_cap_flags = 0; 3799 dump_size = fixed_size = mem_size = eft_size = fce_size = mq_size = 0; 3800 req_q_size = rsp_q_size = 0; 3801 3802 if (IS_QLA2100(ha) || IS_QLA2200(ha)) { 3803 fixed_size = sizeof(struct qla2100_fw_dump); 3804 } else if (IS_QLA23XX(ha)) { 3805 fixed_size = offsetof(struct qla2300_fw_dump, data_ram); 3806 mem_size = (ha->fw_memory_size - 0x11000 + 1) * 3807 sizeof(uint16_t); 3808 } else if (IS_FWI2_CAPABLE(ha)) { 3809 if (IS_QLA83XX(ha)) 3810 fixed_size = offsetof(struct qla83xx_fw_dump, ext_mem); 3811 else if (IS_QLA81XX(ha)) 3812 fixed_size = offsetof(struct qla81xx_fw_dump, ext_mem); 3813 else if (IS_QLA25XX(ha)) 3814 fixed_size = offsetof(struct qla25xx_fw_dump, ext_mem); 3815 else 3816 fixed_size = offsetof(struct qla24xx_fw_dump, ext_mem); 3817 3818 mem_size = (ha->fw_memory_size - 0x100000 + 1) * 3819 sizeof(uint32_t); 3820 if (ha->mqenable) { 3821 if (!IS_QLA83XX(ha)) 3822 mq_size = sizeof(struct qla2xxx_mq_chain); 3823 /* 3824 * Allocate maximum buffer size for all queues - Q0. 3825 * Resizing must be done at end-of-dump processing. 3826 */ 3827 mq_size += (ha->max_req_queues - 1) * 3828 (req->length * sizeof(request_t)); 3829 mq_size += (ha->max_rsp_queues - 1) * 3830 (rsp->length * sizeof(response_t)); 3831 } 3832 if (ha->tgt.atio_ring) 3833 mq_size += ha->tgt.atio_q_length * sizeof(request_t); 3834 3835 qla2x00_alloc_fce_trace(vha); 3836 if (ha->fce) 3837 fce_size = sizeof(struct qla2xxx_fce_chain) + FCE_SIZE; 3838 qla2x00_alloc_eft_trace(vha); 3839 if (ha->eft) 3840 eft_size = EFT_SIZE; 3841 } 3842 3843 if (IS_QLA27XX(ha) || IS_QLA28XX(ha)) { 3844 struct fwdt *fwdt = ha->fwdt; 3845 uint j; 3846 3847 for (j = 0; j < 2; j++, fwdt++) { 3848 if (!fwdt->template) { 3849 ql_dbg(ql_dbg_init, vha, 0x00ba, 3850 "-> fwdt%u no template\n", j); 3851 continue; 3852 } 3853 ql_dbg(ql_dbg_init, vha, 0x00fa, 3854 "-> fwdt%u calculating fwdump size...\n", j); 3855 fwdt->dump_size = qla27xx_fwdt_calculate_dump_size( 3856 vha, fwdt->template); 3857 ql_dbg(ql_dbg_init, vha, 0x00fa, 3858 "-> fwdt%u calculated fwdump size = %#lx bytes\n", 3859 j, fwdt->dump_size); 3860 dump_size += fwdt->dump_size; 3861 } 3862 /* Add space for spare MPI fw dump. */ 3863 dump_size += ha->fwdt[1].dump_size; 3864 } else { 3865 req_q_size = req->length * sizeof(request_t); 3866 rsp_q_size = rsp->length * sizeof(response_t); 3867 dump_size = offsetof(struct qla2xxx_fw_dump, isp); 3868 dump_size += fixed_size + mem_size + req_q_size + rsp_q_size 3869 + eft_size; 3870 ha->chain_offset = dump_size; 3871 dump_size += mq_size + fce_size; 3872 if (ha->exchoffld_buf) 3873 dump_size += sizeof(struct qla2xxx_offld_chain) + 3874 ha->exchoffld_size; 3875 if (ha->exlogin_buf) 3876 dump_size += sizeof(struct qla2xxx_offld_chain) + 3877 ha->exlogin_size; 3878 } 3879 3880 if (!ha->fw_dump_len || dump_size > ha->fw_dump_alloc_len) { 3881 3882 ql_dbg(ql_dbg_init, vha, 0x00c5, 3883 "%s dump_size %d fw_dump_len %d fw_dump_alloc_len %d\n", 3884 __func__, dump_size, ha->fw_dump_len, 3885 ha->fw_dump_alloc_len); 3886 3887 fw_dump = vmalloc(dump_size); 3888 if (!fw_dump) { 3889 ql_log(ql_log_warn, vha, 0x00c4, 3890 "Unable to allocate (%d KB) for firmware dump.\n", 3891 dump_size / 1024); 3892 } else { 3893 mutex_lock(&ha->optrom_mutex); 3894 if (ha->fw_dumped) { 3895 memcpy(fw_dump, ha->fw_dump, ha->fw_dump_len); 3896 vfree(ha->fw_dump); 3897 ha->fw_dump = fw_dump; 3898 ha->fw_dump_alloc_len = dump_size; 3899 ql_dbg(ql_dbg_init, vha, 0x00c5, 3900 "Re-Allocated (%d KB) and save firmware dump.\n", 3901 dump_size / 1024); 3902 } else { 3903 vfree(ha->fw_dump); 3904 ha->fw_dump = fw_dump; 3905 3906 ha->fw_dump_len = ha->fw_dump_alloc_len = 3907 dump_size; 3908 ql_dbg(ql_dbg_init, vha, 0x00c5, 3909 "Allocated (%d KB) for firmware dump.\n", 3910 dump_size / 1024); 3911 3912 if (IS_QLA27XX(ha) || IS_QLA28XX(ha)) { 3913 ha->mpi_fw_dump = (char *)fw_dump + 3914 ha->fwdt[1].dump_size; 3915 mutex_unlock(&ha->optrom_mutex); 3916 return; 3917 } 3918 3919 ha->fw_dump->signature[0] = 'Q'; 3920 ha->fw_dump->signature[1] = 'L'; 3921 ha->fw_dump->signature[2] = 'G'; 3922 ha->fw_dump->signature[3] = 'C'; 3923 ha->fw_dump->version = htonl(1); 3924 3925 ha->fw_dump->fixed_size = htonl(fixed_size); 3926 ha->fw_dump->mem_size = htonl(mem_size); 3927 ha->fw_dump->req_q_size = htonl(req_q_size); 3928 ha->fw_dump->rsp_q_size = htonl(rsp_q_size); 3929 3930 ha->fw_dump->eft_size = htonl(eft_size); 3931 ha->fw_dump->eft_addr_l = 3932 htonl(LSD(ha->eft_dma)); 3933 ha->fw_dump->eft_addr_h = 3934 htonl(MSD(ha->eft_dma)); 3935 3936 ha->fw_dump->header_size = 3937 htonl(offsetof 3938 (struct qla2xxx_fw_dump, isp)); 3939 } 3940 mutex_unlock(&ha->optrom_mutex); 3941 } 3942 } 3943 } 3944 3945 static int 3946 qla81xx_mpi_sync(scsi_qla_host_t *vha) 3947 { 3948 #define MPS_MASK 0xe0 3949 int rval; 3950 uint16_t dc; 3951 uint32_t dw; 3952 3953 if (!IS_QLA81XX(vha->hw)) 3954 return QLA_SUCCESS; 3955 3956 rval = qla2x00_write_ram_word(vha, 0x7c00, 1); 3957 if (rval != QLA_SUCCESS) { 3958 ql_log(ql_log_warn, vha, 0x0105, 3959 "Unable to acquire semaphore.\n"); 3960 goto done; 3961 } 3962 3963 pci_read_config_word(vha->hw->pdev, 0x54, &dc); 3964 rval = qla2x00_read_ram_word(vha, 0x7a15, &dw); 3965 if (rval != QLA_SUCCESS) { 3966 ql_log(ql_log_warn, vha, 0x0067, "Unable to read sync.\n"); 3967 goto done_release; 3968 } 3969 3970 dc &= MPS_MASK; 3971 if (dc == (dw & MPS_MASK)) 3972 goto done_release; 3973 3974 dw &= ~MPS_MASK; 3975 dw |= dc; 3976 rval = qla2x00_write_ram_word(vha, 0x7a15, dw); 3977 if (rval != QLA_SUCCESS) { 3978 ql_log(ql_log_warn, vha, 0x0114, "Unable to gain sync.\n"); 3979 } 3980 3981 done_release: 3982 rval = qla2x00_write_ram_word(vha, 0x7c00, 0); 3983 if (rval != QLA_SUCCESS) { 3984 ql_log(ql_log_warn, vha, 0x006d, 3985 "Unable to release semaphore.\n"); 3986 } 3987 3988 done: 3989 return rval; 3990 } 3991 3992 int 3993 qla2x00_alloc_outstanding_cmds(struct qla_hw_data *ha, struct req_que *req) 3994 { 3995 /* Don't try to reallocate the array */ 3996 if (req->outstanding_cmds) 3997 return QLA_SUCCESS; 3998 3999 if (!IS_FWI2_CAPABLE(ha)) 4000 req->num_outstanding_cmds = DEFAULT_OUTSTANDING_COMMANDS; 4001 else { 4002 if (ha->cur_fw_xcb_count <= ha->cur_fw_iocb_count) 4003 req->num_outstanding_cmds = ha->cur_fw_xcb_count; 4004 else 4005 req->num_outstanding_cmds = ha->cur_fw_iocb_count; 4006 } 4007 4008 req->outstanding_cmds = kcalloc(req->num_outstanding_cmds, 4009 sizeof(srb_t *), 4010 GFP_KERNEL); 4011 4012 if (!req->outstanding_cmds) { 4013 /* 4014 * Try to allocate a minimal size just so we can get through 4015 * initialization. 4016 */ 4017 req->num_outstanding_cmds = MIN_OUTSTANDING_COMMANDS; 4018 req->outstanding_cmds = kcalloc(req->num_outstanding_cmds, 4019 sizeof(srb_t *), 4020 GFP_KERNEL); 4021 4022 if (!req->outstanding_cmds) { 4023 ql_log(ql_log_fatal, NULL, 0x0126, 4024 "Failed to allocate memory for " 4025 "outstanding_cmds for req_que %p.\n", req); 4026 req->num_outstanding_cmds = 0; 4027 return QLA_FUNCTION_FAILED; 4028 } 4029 } 4030 4031 return QLA_SUCCESS; 4032 } 4033 4034 #define PRINT_FIELD(_field, _flag, _str) { \ 4035 if (a0->_field & _flag) {\ 4036 if (p) {\ 4037 strcat(ptr, "|");\ 4038 ptr++;\ 4039 leftover--;\ 4040 } \ 4041 len = snprintf(ptr, leftover, "%s", _str); \ 4042 p = 1;\ 4043 leftover -= len;\ 4044 ptr += len; \ 4045 } \ 4046 } 4047 4048 static void qla2xxx_print_sfp_info(struct scsi_qla_host *vha) 4049 { 4050 #define STR_LEN 64 4051 struct sff_8247_a0 *a0 = (struct sff_8247_a0 *)vha->hw->sfp_data; 4052 u8 str[STR_LEN], *ptr, p; 4053 int leftover, len; 4054 4055 memset(str, 0, STR_LEN); 4056 snprintf(str, SFF_VEN_NAME_LEN+1, a0->vendor_name); 4057 ql_dbg(ql_dbg_init, vha, 0x015a, 4058 "SFP MFG Name: %s\n", str); 4059 4060 memset(str, 0, STR_LEN); 4061 snprintf(str, SFF_PART_NAME_LEN+1, a0->vendor_pn); 4062 ql_dbg(ql_dbg_init, vha, 0x015c, 4063 "SFP Part Name: %s\n", str); 4064 4065 /* media */ 4066 memset(str, 0, STR_LEN); 4067 ptr = str; 4068 leftover = STR_LEN; 4069 p = len = 0; 4070 PRINT_FIELD(fc_med_cc9, FC_MED_TW, "Twin AX"); 4071 PRINT_FIELD(fc_med_cc9, FC_MED_TP, "Twisted Pair"); 4072 PRINT_FIELD(fc_med_cc9, FC_MED_MI, "Min Coax"); 4073 PRINT_FIELD(fc_med_cc9, FC_MED_TV, "Video Coax"); 4074 PRINT_FIELD(fc_med_cc9, FC_MED_M6, "MultiMode 62.5um"); 4075 PRINT_FIELD(fc_med_cc9, FC_MED_M5, "MultiMode 50um"); 4076 PRINT_FIELD(fc_med_cc9, FC_MED_SM, "SingleMode"); 4077 ql_dbg(ql_dbg_init, vha, 0x0160, 4078 "SFP Media: %s\n", str); 4079 4080 /* link length */ 4081 memset(str, 0, STR_LEN); 4082 ptr = str; 4083 leftover = STR_LEN; 4084 p = len = 0; 4085 PRINT_FIELD(fc_ll_cc7, FC_LL_VL, "Very Long"); 4086 PRINT_FIELD(fc_ll_cc7, FC_LL_S, "Short"); 4087 PRINT_FIELD(fc_ll_cc7, FC_LL_I, "Intermediate"); 4088 PRINT_FIELD(fc_ll_cc7, FC_LL_L, "Long"); 4089 PRINT_FIELD(fc_ll_cc7, FC_LL_M, "Medium"); 4090 ql_dbg(ql_dbg_init, vha, 0x0196, 4091 "SFP Link Length: %s\n", str); 4092 4093 memset(str, 0, STR_LEN); 4094 ptr = str; 4095 leftover = STR_LEN; 4096 p = len = 0; 4097 PRINT_FIELD(fc_ll_cc7, FC_LL_SA, "Short Wave (SA)"); 4098 PRINT_FIELD(fc_ll_cc7, FC_LL_LC, "Long Wave(LC)"); 4099 PRINT_FIELD(fc_tec_cc8, FC_TEC_SN, "Short Wave (SN)"); 4100 PRINT_FIELD(fc_tec_cc8, FC_TEC_SL, "Short Wave (SL)"); 4101 PRINT_FIELD(fc_tec_cc8, FC_TEC_LL, "Long Wave (LL)"); 4102 ql_dbg(ql_dbg_init, vha, 0x016e, 4103 "SFP FC Link Tech: %s\n", str); 4104 4105 if (a0->length_km) 4106 ql_dbg(ql_dbg_init, vha, 0x016f, 4107 "SFP Distant: %d km\n", a0->length_km); 4108 if (a0->length_100m) 4109 ql_dbg(ql_dbg_init, vha, 0x0170, 4110 "SFP Distant: %d m\n", a0->length_100m*100); 4111 if (a0->length_50um_10m) 4112 ql_dbg(ql_dbg_init, vha, 0x0189, 4113 "SFP Distant (WL=50um): %d m\n", a0->length_50um_10m * 10); 4114 if (a0->length_62um_10m) 4115 ql_dbg(ql_dbg_init, vha, 0x018a, 4116 "SFP Distant (WL=62.5um): %d m\n", a0->length_62um_10m * 10); 4117 if (a0->length_om4_10m) 4118 ql_dbg(ql_dbg_init, vha, 0x0194, 4119 "SFP Distant (OM4): %d m\n", a0->length_om4_10m * 10); 4120 if (a0->length_om3_10m) 4121 ql_dbg(ql_dbg_init, vha, 0x0195, 4122 "SFP Distant (OM3): %d m\n", a0->length_om3_10m * 10); 4123 } 4124 4125 4126 /** 4127 * qla24xx_detect_sfp() 4128 * 4129 * @vha: adapter state pointer. 4130 * 4131 * @return 4132 * 0 -- Configure firmware to use short-range settings -- normal 4133 * buffer-to-buffer credits. 4134 * 4135 * 1 -- Configure firmware to use long-range settings -- extra 4136 * buffer-to-buffer credits should be allocated with 4137 * ha->lr_distance containing distance settings from NVRAM or SFP 4138 * (if supported). 4139 */ 4140 int 4141 qla24xx_detect_sfp(scsi_qla_host_t *vha) 4142 { 4143 int rc, used_nvram; 4144 struct sff_8247_a0 *a; 4145 struct qla_hw_data *ha = vha->hw; 4146 struct nvram_81xx *nv = ha->nvram; 4147 #define LR_DISTANCE_UNKNOWN 2 4148 static const char * const types[] = { "Short", "Long" }; 4149 static const char * const lengths[] = { "(10km)", "(5km)", "" }; 4150 u8 ll = 0; 4151 4152 /* Seed with NVRAM settings. */ 4153 used_nvram = 0; 4154 ha->flags.lr_detected = 0; 4155 if (IS_BPM_RANGE_CAPABLE(ha) && 4156 (nv->enhanced_features & NEF_LR_DIST_ENABLE)) { 4157 used_nvram = 1; 4158 ha->flags.lr_detected = 1; 4159 ha->lr_distance = 4160 (nv->enhanced_features >> LR_DIST_NV_POS) 4161 & LR_DIST_NV_MASK; 4162 } 4163 4164 if (!IS_BPM_ENABLED(vha)) 4165 goto out; 4166 /* Determine SR/LR capabilities of SFP/Transceiver. */ 4167 rc = qla2x00_read_sfp_dev(vha, NULL, 0); 4168 if (rc) 4169 goto out; 4170 4171 used_nvram = 0; 4172 a = (struct sff_8247_a0 *)vha->hw->sfp_data; 4173 qla2xxx_print_sfp_info(vha); 4174 4175 ha->flags.lr_detected = 0; 4176 ll = a->fc_ll_cc7; 4177 if (ll & FC_LL_VL || ll & FC_LL_L) { 4178 /* Long range, track length. */ 4179 ha->flags.lr_detected = 1; 4180 4181 if (a->length_km > 5 || a->length_100m > 50) 4182 ha->lr_distance = LR_DISTANCE_10K; 4183 else 4184 ha->lr_distance = LR_DISTANCE_5K; 4185 } 4186 4187 out: 4188 ql_dbg(ql_dbg_async, vha, 0x507b, 4189 "SFP detect: %s-Range SFP %s (nvr=%x ll=%x lr=%x lrd=%x).\n", 4190 types[ha->flags.lr_detected], 4191 ha->flags.lr_detected ? lengths[ha->lr_distance] : 4192 lengths[LR_DISTANCE_UNKNOWN], 4193 used_nvram, ll, ha->flags.lr_detected, ha->lr_distance); 4194 return ha->flags.lr_detected; 4195 } 4196 4197 static void __qla_adjust_iocb_limit(struct qla_qpair *qpair) 4198 { 4199 u8 num_qps; 4200 u16 limit; 4201 struct qla_hw_data *ha = qpair->vha->hw; 4202 4203 num_qps = ha->num_qpairs + 1; 4204 limit = (ha->orig_fw_iocb_count * QLA_IOCB_PCT_LIMIT) / 100; 4205 4206 qpair->fwres.iocbs_total = ha->orig_fw_iocb_count; 4207 qpair->fwres.iocbs_limit = limit; 4208 qpair->fwres.iocbs_qp_limit = limit / num_qps; 4209 4210 qpair->fwres.exch_total = ha->orig_fw_xcb_count; 4211 qpair->fwres.exch_limit = (ha->orig_fw_xcb_count * 4212 QLA_IOCB_PCT_LIMIT) / 100; 4213 } 4214 4215 void qla_init_iocb_limit(scsi_qla_host_t *vha) 4216 { 4217 u8 i; 4218 struct qla_hw_data *ha = vha->hw; 4219 4220 __qla_adjust_iocb_limit(ha->base_qpair); 4221 ha->base_qpair->fwres.iocbs_used = 0; 4222 ha->base_qpair->fwres.exch_used = 0; 4223 4224 for (i = 0; i < ha->max_qpairs; i++) { 4225 if (ha->queue_pair_map[i]) { 4226 __qla_adjust_iocb_limit(ha->queue_pair_map[i]); 4227 ha->queue_pair_map[i]->fwres.iocbs_used = 0; 4228 ha->queue_pair_map[i]->fwres.exch_used = 0; 4229 } 4230 } 4231 4232 ha->fwres.iocb_total = ha->orig_fw_iocb_count; 4233 ha->fwres.iocb_limit = (ha->orig_fw_iocb_count * QLA_IOCB_PCT_LIMIT) / 100; 4234 ha->fwres.exch_total = ha->orig_fw_xcb_count; 4235 ha->fwres.exch_limit = (ha->orig_fw_xcb_count * QLA_IOCB_PCT_LIMIT) / 100; 4236 4237 atomic_set(&ha->fwres.iocb_used, 0); 4238 atomic_set(&ha->fwres.exch_used, 0); 4239 } 4240 4241 void qla_adjust_iocb_limit(scsi_qla_host_t *vha) 4242 { 4243 u8 i; 4244 struct qla_hw_data *ha = vha->hw; 4245 4246 __qla_adjust_iocb_limit(ha->base_qpair); 4247 4248 for (i = 0; i < ha->max_qpairs; i++) { 4249 if (ha->queue_pair_map[i]) 4250 __qla_adjust_iocb_limit(ha->queue_pair_map[i]); 4251 } 4252 } 4253 4254 /** 4255 * qla2x00_setup_chip() - Load and start RISC firmware. 4256 * @vha: HA context 4257 * 4258 * Returns 0 on success. 4259 */ 4260 static int 4261 qla2x00_setup_chip(scsi_qla_host_t *vha) 4262 { 4263 int rval; 4264 uint32_t srisc_address = 0; 4265 struct qla_hw_data *ha = vha->hw; 4266 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 4267 unsigned long flags; 4268 int done_once = 0; 4269 4270 if (IS_P3P_TYPE(ha)) { 4271 rval = ha->isp_ops->load_risc(vha, &srisc_address); 4272 if (rval == QLA_SUCCESS) { 4273 qla2x00_stop_firmware(vha); 4274 goto enable_82xx_npiv; 4275 } else 4276 goto failed; 4277 } 4278 4279 if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) { 4280 /* Disable SRAM, Instruction RAM and GP RAM parity. */ 4281 spin_lock_irqsave(&ha->hardware_lock, flags); 4282 wrt_reg_word(®->hccr, (HCCR_ENABLE_PARITY + 0x0)); 4283 rd_reg_word(®->hccr); 4284 spin_unlock_irqrestore(&ha->hardware_lock, flags); 4285 } 4286 4287 qla81xx_mpi_sync(vha); 4288 4289 execute_fw_with_lr: 4290 /* Load firmware sequences */ 4291 rval = ha->isp_ops->load_risc(vha, &srisc_address); 4292 if (rval == QLA_SUCCESS) { 4293 ql_dbg(ql_dbg_init, vha, 0x00c9, 4294 "Verifying Checksum of loaded RISC code.\n"); 4295 4296 rval = qla2x00_verify_checksum(vha, srisc_address); 4297 if (rval == QLA_SUCCESS) { 4298 /* Start firmware execution. */ 4299 ql_dbg(ql_dbg_init, vha, 0x00ca, 4300 "Starting firmware.\n"); 4301 4302 if (ql2xexlogins) 4303 ha->flags.exlogins_enabled = 1; 4304 4305 if (qla_is_exch_offld_enabled(vha)) 4306 ha->flags.exchoffld_enabled = 1; 4307 4308 rval = qla2x00_execute_fw(vha, srisc_address); 4309 /* Retrieve firmware information. */ 4310 if (rval == QLA_SUCCESS) { 4311 /* Enable BPM support? */ 4312 if (!done_once++ && qla24xx_detect_sfp(vha)) { 4313 ql_dbg(ql_dbg_init, vha, 0x00ca, 4314 "Re-starting firmware -- BPM.\n"); 4315 /* Best-effort - re-init. */ 4316 ha->isp_ops->reset_chip(vha); 4317 ha->isp_ops->chip_diag(vha); 4318 goto execute_fw_with_lr; 4319 } 4320 4321 if (IS_ZIO_THRESHOLD_CAPABLE(ha)) 4322 qla27xx_set_zio_threshold(vha, 4323 ha->last_zio_threshold); 4324 4325 rval = qla2x00_set_exlogins_buffer(vha); 4326 if (rval != QLA_SUCCESS) 4327 goto failed; 4328 4329 rval = qla2x00_set_exchoffld_buffer(vha); 4330 if (rval != QLA_SUCCESS) 4331 goto failed; 4332 4333 enable_82xx_npiv: 4334 if (IS_P3P_TYPE(ha)) 4335 qla82xx_check_md_needed(vha); 4336 else 4337 rval = qla2x00_get_fw_version(vha); 4338 if (rval != QLA_SUCCESS) 4339 goto failed; 4340 ha->flags.npiv_supported = 0; 4341 if (IS_QLA2XXX_MIDTYPE(ha) && 4342 (ha->fw_attributes & BIT_2)) { 4343 ha->flags.npiv_supported = 1; 4344 if ((!ha->max_npiv_vports) || 4345 ((ha->max_npiv_vports + 1) % 4346 MIN_MULTI_ID_FABRIC)) 4347 ha->max_npiv_vports = 4348 MIN_MULTI_ID_FABRIC - 1; 4349 } 4350 qla2x00_get_resource_cnts(vha); 4351 qla_init_iocb_limit(vha); 4352 4353 /* 4354 * Allocate the array of outstanding commands 4355 * now that we know the firmware resources. 4356 */ 4357 rval = qla2x00_alloc_outstanding_cmds(ha, 4358 vha->req); 4359 if (rval != QLA_SUCCESS) 4360 goto failed; 4361 4362 if (ql2xallocfwdump && !(IS_P3P_TYPE(ha))) 4363 qla2x00_alloc_fw_dump(vha); 4364 4365 qla_enable_fce_trace(vha); 4366 qla_enable_eft_trace(vha); 4367 } else { 4368 goto failed; 4369 } 4370 } else { 4371 ql_log(ql_log_fatal, vha, 0x00cd, 4372 "ISP Firmware failed checksum.\n"); 4373 goto failed; 4374 } 4375 4376 /* Enable PUREX PASSTHRU */ 4377 if (ql2xrdpenable || ha->flags.scm_supported_f || 4378 ha->flags.edif_enabled) 4379 qla25xx_set_els_cmds_supported(vha); 4380 } else 4381 goto failed; 4382 4383 if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) { 4384 /* Enable proper parity. */ 4385 spin_lock_irqsave(&ha->hardware_lock, flags); 4386 if (IS_QLA2300(ha)) 4387 /* SRAM parity */ 4388 wrt_reg_word(®->hccr, HCCR_ENABLE_PARITY + 0x1); 4389 else 4390 /* SRAM, Instruction RAM and GP RAM parity */ 4391 wrt_reg_word(®->hccr, HCCR_ENABLE_PARITY + 0x7); 4392 rd_reg_word(®->hccr); 4393 spin_unlock_irqrestore(&ha->hardware_lock, flags); 4394 } 4395 4396 if (IS_QLA27XX(ha) || IS_QLA28XX(ha)) 4397 ha->flags.fac_supported = 1; 4398 else if (rval == QLA_SUCCESS && IS_FAC_REQUIRED(ha)) { 4399 uint32_t size; 4400 4401 rval = qla81xx_fac_get_sector_size(vha, &size); 4402 if (rval == QLA_SUCCESS) { 4403 ha->flags.fac_supported = 1; 4404 ha->fdt_block_size = size << 2; 4405 } else { 4406 ql_log(ql_log_warn, vha, 0x00ce, 4407 "Unsupported FAC firmware (%d.%02d.%02d).\n", 4408 ha->fw_major_version, ha->fw_minor_version, 4409 ha->fw_subminor_version); 4410 4411 if (IS_QLA83XX(ha)) { 4412 ha->flags.fac_supported = 0; 4413 rval = QLA_SUCCESS; 4414 } 4415 } 4416 } 4417 failed: 4418 if (rval) { 4419 ql_log(ql_log_fatal, vha, 0x00cf, 4420 "Setup chip ****FAILED****.\n"); 4421 } 4422 4423 return (rval); 4424 } 4425 4426 /** 4427 * qla2x00_init_response_q_entries() - Initializes response queue entries. 4428 * @rsp: response queue 4429 * 4430 * Beginning of request ring has initialization control block already built 4431 * by nvram config routine. 4432 * 4433 * Returns 0 on success. 4434 */ 4435 void 4436 qla2x00_init_response_q_entries(struct rsp_que *rsp) 4437 { 4438 uint16_t cnt; 4439 response_t *pkt; 4440 4441 rsp->ring_ptr = rsp->ring; 4442 rsp->ring_index = 0; 4443 rsp->status_srb = NULL; 4444 pkt = rsp->ring_ptr; 4445 for (cnt = 0; cnt < rsp->length; cnt++) { 4446 pkt->signature = RESPONSE_PROCESSED; 4447 pkt++; 4448 } 4449 } 4450 4451 /** 4452 * qla2x00_update_fw_options() - Read and process firmware options. 4453 * @vha: HA context 4454 * 4455 * Returns 0 on success. 4456 */ 4457 void 4458 qla2x00_update_fw_options(scsi_qla_host_t *vha) 4459 { 4460 uint16_t swing, emphasis, tx_sens, rx_sens; 4461 struct qla_hw_data *ha = vha->hw; 4462 4463 memset(ha->fw_options, 0, sizeof(ha->fw_options)); 4464 qla2x00_get_fw_options(vha, ha->fw_options); 4465 4466 if (IS_QLA2100(ha) || IS_QLA2200(ha)) 4467 return; 4468 4469 /* Serial Link options. */ 4470 ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x0115, 4471 "Serial link options.\n"); 4472 ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0109, 4473 ha->fw_seriallink_options, sizeof(ha->fw_seriallink_options)); 4474 4475 ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING; 4476 if (ha->fw_seriallink_options[3] & BIT_2) { 4477 ha->fw_options[1] |= FO1_SET_EMPHASIS_SWING; 4478 4479 /* 1G settings */ 4480 swing = ha->fw_seriallink_options[2] & (BIT_2 | BIT_1 | BIT_0); 4481 emphasis = (ha->fw_seriallink_options[2] & 4482 (BIT_4 | BIT_3)) >> 3; 4483 tx_sens = ha->fw_seriallink_options[0] & 4484 (BIT_3 | BIT_2 | BIT_1 | BIT_0); 4485 rx_sens = (ha->fw_seriallink_options[0] & 4486 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4; 4487 ha->fw_options[10] = (emphasis << 14) | (swing << 8); 4488 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) { 4489 if (rx_sens == 0x0) 4490 rx_sens = 0x3; 4491 ha->fw_options[10] |= (tx_sens << 4) | rx_sens; 4492 } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) 4493 ha->fw_options[10] |= BIT_5 | 4494 ((rx_sens & (BIT_1 | BIT_0)) << 2) | 4495 (tx_sens & (BIT_1 | BIT_0)); 4496 4497 /* 2G settings */ 4498 swing = (ha->fw_seriallink_options[2] & 4499 (BIT_7 | BIT_6 | BIT_5)) >> 5; 4500 emphasis = ha->fw_seriallink_options[3] & (BIT_1 | BIT_0); 4501 tx_sens = ha->fw_seriallink_options[1] & 4502 (BIT_3 | BIT_2 | BIT_1 | BIT_0); 4503 rx_sens = (ha->fw_seriallink_options[1] & 4504 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4; 4505 ha->fw_options[11] = (emphasis << 14) | (swing << 8); 4506 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) { 4507 if (rx_sens == 0x0) 4508 rx_sens = 0x3; 4509 ha->fw_options[11] |= (tx_sens << 4) | rx_sens; 4510 } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) 4511 ha->fw_options[11] |= BIT_5 | 4512 ((rx_sens & (BIT_1 | BIT_0)) << 2) | 4513 (tx_sens & (BIT_1 | BIT_0)); 4514 } 4515 4516 /* FCP2 options. */ 4517 /* Return command IOCBs without waiting for an ABTS to complete. */ 4518 ha->fw_options[3] |= BIT_13; 4519 4520 /* LED scheme. */ 4521 if (ha->flags.enable_led_scheme) 4522 ha->fw_options[2] |= BIT_12; 4523 4524 /* Detect ISP6312. */ 4525 if (IS_QLA6312(ha)) 4526 ha->fw_options[2] |= BIT_13; 4527 4528 /* Set Retry FLOGI in case of P2P connection */ 4529 if (ha->operating_mode == P2P) { 4530 ha->fw_options[2] |= BIT_3; 4531 ql_dbg(ql_dbg_disc, vha, 0x2100, 4532 "(%s): Setting FLOGI retry BIT in fw_options[2]: 0x%x\n", 4533 __func__, ha->fw_options[2]); 4534 } 4535 4536 /* Update firmware options. */ 4537 qla2x00_set_fw_options(vha, ha->fw_options); 4538 } 4539 4540 void 4541 qla24xx_update_fw_options(scsi_qla_host_t *vha) 4542 { 4543 int rval; 4544 struct qla_hw_data *ha = vha->hw; 4545 4546 if (IS_P3P_TYPE(ha)) 4547 return; 4548 4549 /* Hold status IOCBs until ABTS response received. */ 4550 if (ql2xfwholdabts) 4551 ha->fw_options[3] |= BIT_12; 4552 4553 /* Set Retry FLOGI in case of P2P connection */ 4554 if (ha->operating_mode == P2P) { 4555 ha->fw_options[2] |= BIT_3; 4556 ql_dbg(ql_dbg_disc, vha, 0x2101, 4557 "(%s): Setting FLOGI retry BIT in fw_options[2]: 0x%x\n", 4558 __func__, ha->fw_options[2]); 4559 } 4560 4561 /* Move PUREX, ABTS RX & RIDA to ATIOQ */ 4562 if (ql2xmvasynctoatio && !ha->flags.edif_enabled && 4563 (IS_QLA83XX(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha))) { 4564 if (qla_tgt_mode_enabled(vha) || 4565 qla_dual_mode_enabled(vha)) 4566 ha->fw_options[2] |= BIT_11; 4567 else 4568 ha->fw_options[2] &= ~BIT_11; 4569 } 4570 4571 if (IS_QLA25XX(ha) || IS_QLA83XX(ha) || IS_QLA27XX(ha) || 4572 IS_QLA28XX(ha)) { 4573 /* 4574 * Tell FW to track each exchange to prevent 4575 * driver from using stale exchange. 4576 */ 4577 if (qla_tgt_mode_enabled(vha) || 4578 qla_dual_mode_enabled(vha)) 4579 ha->fw_options[2] |= BIT_4; 4580 else 4581 ha->fw_options[2] &= ~(BIT_4); 4582 4583 /* Reserve 1/2 of emergency exchanges for ELS.*/ 4584 if (qla2xuseresexchforels) 4585 ha->fw_options[2] |= BIT_8; 4586 else 4587 ha->fw_options[2] &= ~BIT_8; 4588 4589 /* 4590 * N2N: set Secure=1 for PLOGI ACC and 4591 * fw shal not send PRLI after PLOGI Acc 4592 */ 4593 if (ha->flags.edif_enabled && 4594 DBELL_ACTIVE(vha)) { 4595 ha->fw_options[3] |= BIT_15; 4596 ha->flags.n2n_fw_acc_sec = 1; 4597 } else { 4598 ha->fw_options[3] &= ~BIT_15; 4599 ha->flags.n2n_fw_acc_sec = 0; 4600 } 4601 } 4602 4603 if (ql2xrdpenable || ha->flags.scm_supported_f || 4604 ha->flags.edif_enabled) 4605 ha->fw_options[1] |= ADD_FO1_ENABLE_PUREX_IOCB; 4606 4607 /* Enable Async 8130/8131 events -- transceiver insertion/removal */ 4608 if (IS_BPM_RANGE_CAPABLE(ha)) 4609 ha->fw_options[3] |= BIT_10; 4610 4611 ql_dbg(ql_dbg_init, vha, 0x00e8, 4612 "%s, add FW options 1-3 = 0x%04x 0x%04x 0x%04x mode %x\n", 4613 __func__, ha->fw_options[1], ha->fw_options[2], 4614 ha->fw_options[3], vha->host->active_mode); 4615 4616 if (ha->fw_options[1] || ha->fw_options[2] || ha->fw_options[3]) 4617 qla2x00_set_fw_options(vha, ha->fw_options); 4618 4619 /* Update Serial Link options. */ 4620 if ((le16_to_cpu(ha->fw_seriallink_options24[0]) & BIT_0) == 0) 4621 return; 4622 4623 rval = qla2x00_set_serdes_params(vha, 4624 le16_to_cpu(ha->fw_seriallink_options24[1]), 4625 le16_to_cpu(ha->fw_seriallink_options24[2]), 4626 le16_to_cpu(ha->fw_seriallink_options24[3])); 4627 if (rval != QLA_SUCCESS) { 4628 ql_log(ql_log_warn, vha, 0x0104, 4629 "Unable to update Serial Link options (%x).\n", rval); 4630 } 4631 } 4632 4633 void 4634 qla2x00_config_rings(struct scsi_qla_host *vha) 4635 { 4636 struct qla_hw_data *ha = vha->hw; 4637 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 4638 struct req_que *req = ha->req_q_map[0]; 4639 struct rsp_que *rsp = ha->rsp_q_map[0]; 4640 4641 /* Setup ring parameters in initialization control block. */ 4642 ha->init_cb->request_q_outpointer = cpu_to_le16(0); 4643 ha->init_cb->response_q_inpointer = cpu_to_le16(0); 4644 ha->init_cb->request_q_length = cpu_to_le16(req->length); 4645 ha->init_cb->response_q_length = cpu_to_le16(rsp->length); 4646 put_unaligned_le64(req->dma, &ha->init_cb->request_q_address); 4647 put_unaligned_le64(rsp->dma, &ha->init_cb->response_q_address); 4648 4649 wrt_reg_word(ISP_REQ_Q_IN(ha, reg), 0); 4650 wrt_reg_word(ISP_REQ_Q_OUT(ha, reg), 0); 4651 wrt_reg_word(ISP_RSP_Q_IN(ha, reg), 0); 4652 wrt_reg_word(ISP_RSP_Q_OUT(ha, reg), 0); 4653 rd_reg_word(ISP_RSP_Q_OUT(ha, reg)); /* PCI Posting. */ 4654 } 4655 4656 void 4657 qla24xx_config_rings(struct scsi_qla_host *vha) 4658 { 4659 struct qla_hw_data *ha = vha->hw; 4660 device_reg_t *reg = ISP_QUE_REG(ha, 0); 4661 struct device_reg_2xxx __iomem *ioreg = &ha->iobase->isp; 4662 struct qla_msix_entry *msix; 4663 struct init_cb_24xx *icb; 4664 uint16_t rid = 0; 4665 struct req_que *req = ha->req_q_map[0]; 4666 struct rsp_que *rsp = ha->rsp_q_map[0]; 4667 4668 /* Setup ring parameters in initialization control block. */ 4669 icb = (struct init_cb_24xx *)ha->init_cb; 4670 icb->request_q_outpointer = cpu_to_le16(0); 4671 icb->response_q_inpointer = cpu_to_le16(0); 4672 icb->request_q_length = cpu_to_le16(req->length); 4673 icb->response_q_length = cpu_to_le16(rsp->length); 4674 put_unaligned_le64(req->dma, &icb->request_q_address); 4675 put_unaligned_le64(rsp->dma, &icb->response_q_address); 4676 4677 /* Setup ATIO queue dma pointers for target mode */ 4678 icb->atio_q_inpointer = cpu_to_le16(0); 4679 icb->atio_q_length = cpu_to_le16(ha->tgt.atio_q_length); 4680 put_unaligned_le64(ha->tgt.atio_dma, &icb->atio_q_address); 4681 4682 if (IS_SHADOW_REG_CAPABLE(ha)) 4683 icb->firmware_options_2 |= cpu_to_le32(BIT_30|BIT_29); 4684 4685 if (ha->mqenable || IS_QLA83XX(ha) || IS_QLA27XX(ha) || 4686 IS_QLA28XX(ha)) { 4687 icb->qos = cpu_to_le16(QLA_DEFAULT_QUE_QOS); 4688 icb->rid = cpu_to_le16(rid); 4689 if (ha->flags.msix_enabled) { 4690 msix = &ha->msix_entries[1]; 4691 ql_dbg(ql_dbg_init, vha, 0x0019, 4692 "Registering vector 0x%x for base que.\n", 4693 msix->entry); 4694 icb->msix = cpu_to_le16(msix->entry); 4695 } 4696 /* Use alternate PCI bus number */ 4697 if (MSB(rid)) 4698 icb->firmware_options_2 |= cpu_to_le32(BIT_19); 4699 /* Use alternate PCI devfn */ 4700 if (LSB(rid)) 4701 icb->firmware_options_2 |= cpu_to_le32(BIT_18); 4702 4703 /* Use Disable MSIX Handshake mode for capable adapters */ 4704 if ((ha->fw_attributes & BIT_6) && (IS_MSIX_NACK_CAPABLE(ha)) && 4705 (ha->flags.msix_enabled)) { 4706 icb->firmware_options_2 &= cpu_to_le32(~BIT_22); 4707 ha->flags.disable_msix_handshake = 1; 4708 ql_dbg(ql_dbg_init, vha, 0x00fe, 4709 "MSIX Handshake Disable Mode turned on.\n"); 4710 } else { 4711 icb->firmware_options_2 |= cpu_to_le32(BIT_22); 4712 } 4713 icb->firmware_options_2 |= cpu_to_le32(BIT_23); 4714 4715 wrt_reg_dword(®->isp25mq.req_q_in, 0); 4716 wrt_reg_dword(®->isp25mq.req_q_out, 0); 4717 wrt_reg_dword(®->isp25mq.rsp_q_in, 0); 4718 wrt_reg_dword(®->isp25mq.rsp_q_out, 0); 4719 } else { 4720 wrt_reg_dword(®->isp24.req_q_in, 0); 4721 wrt_reg_dword(®->isp24.req_q_out, 0); 4722 wrt_reg_dword(®->isp24.rsp_q_in, 0); 4723 wrt_reg_dword(®->isp24.rsp_q_out, 0); 4724 } 4725 4726 qlt_24xx_config_rings(vha); 4727 4728 /* If the user has configured the speed, set it here */ 4729 if (ha->set_data_rate) { 4730 ql_dbg(ql_dbg_init, vha, 0x00fd, 4731 "Speed set by user : %s Gbps \n", 4732 qla2x00_get_link_speed_str(ha, ha->set_data_rate)); 4733 icb->firmware_options_3 = cpu_to_le32(ha->set_data_rate << 13); 4734 } 4735 4736 /* PCI posting */ 4737 rd_reg_word(&ioreg->hccr); 4738 } 4739 4740 /** 4741 * qla2x00_init_rings() - Initializes firmware. 4742 * @vha: HA context 4743 * 4744 * Beginning of request ring has initialization control block already built 4745 * by nvram config routine. 4746 * 4747 * Returns 0 on success. 4748 */ 4749 int 4750 qla2x00_init_rings(scsi_qla_host_t *vha) 4751 { 4752 int rval; 4753 unsigned long flags = 0; 4754 int cnt, que; 4755 struct qla_hw_data *ha = vha->hw; 4756 struct req_que *req; 4757 struct rsp_que *rsp; 4758 struct mid_init_cb_24xx *mid_init_cb = 4759 (struct mid_init_cb_24xx *) ha->init_cb; 4760 4761 spin_lock_irqsave(&ha->hardware_lock, flags); 4762 4763 /* Clear outstanding commands array. */ 4764 for (que = 0; que < ha->max_req_queues; que++) { 4765 req = ha->req_q_map[que]; 4766 if (!req || !test_bit(que, ha->req_qid_map)) 4767 continue; 4768 req->out_ptr = (uint16_t *)(req->ring + req->length); 4769 *req->out_ptr = 0; 4770 for (cnt = 1; cnt < req->num_outstanding_cmds; cnt++) 4771 req->outstanding_cmds[cnt] = NULL; 4772 4773 req->current_outstanding_cmd = 1; 4774 4775 /* Initialize firmware. */ 4776 req->ring_ptr = req->ring; 4777 req->ring_index = 0; 4778 req->cnt = req->length; 4779 } 4780 4781 for (que = 0; que < ha->max_rsp_queues; que++) { 4782 rsp = ha->rsp_q_map[que]; 4783 if (!rsp || !test_bit(que, ha->rsp_qid_map)) 4784 continue; 4785 rsp->in_ptr = (uint16_t *)(rsp->ring + rsp->length); 4786 *rsp->in_ptr = 0; 4787 /* Initialize response queue entries */ 4788 if (IS_QLAFX00(ha)) 4789 qlafx00_init_response_q_entries(rsp); 4790 else 4791 qla2x00_init_response_q_entries(rsp); 4792 } 4793 4794 ha->tgt.atio_ring_ptr = ha->tgt.atio_ring; 4795 ha->tgt.atio_ring_index = 0; 4796 /* Initialize ATIO queue entries */ 4797 qlt_init_atio_q_entries(vha); 4798 4799 ha->isp_ops->config_rings(vha); 4800 4801 spin_unlock_irqrestore(&ha->hardware_lock, flags); 4802 4803 if (IS_QLAFX00(ha)) { 4804 rval = qlafx00_init_firmware(vha, ha->init_cb_size); 4805 goto next_check; 4806 } 4807 4808 /* Update any ISP specific firmware options before initialization. */ 4809 ha->isp_ops->update_fw_options(vha); 4810 4811 ql_dbg(ql_dbg_init, vha, 0x00d1, 4812 "Issue init firmware FW opt 1-3= %08x %08x %08x.\n", 4813 le32_to_cpu(mid_init_cb->init_cb.firmware_options_1), 4814 le32_to_cpu(mid_init_cb->init_cb.firmware_options_2), 4815 le32_to_cpu(mid_init_cb->init_cb.firmware_options_3)); 4816 4817 if (ha->flags.npiv_supported) { 4818 if (ha->operating_mode == LOOP && !IS_CNA_CAPABLE(ha)) 4819 ha->max_npiv_vports = MIN_MULTI_ID_FABRIC - 1; 4820 mid_init_cb->count = cpu_to_le16(ha->max_npiv_vports); 4821 } 4822 4823 if (IS_FWI2_CAPABLE(ha)) { 4824 mid_init_cb->options = cpu_to_le16(BIT_1); 4825 mid_init_cb->init_cb.execution_throttle = 4826 cpu_to_le16(ha->cur_fw_xcb_count); 4827 ha->flags.dport_enabled = 4828 (le32_to_cpu(mid_init_cb->init_cb.firmware_options_1) & 4829 BIT_7) != 0; 4830 ql_dbg(ql_dbg_init, vha, 0x0191, "DPORT Support: %s.\n", 4831 (ha->flags.dport_enabled) ? "enabled" : "disabled"); 4832 /* FA-WWPN Status */ 4833 ha->flags.fawwpn_enabled = 4834 (le32_to_cpu(mid_init_cb->init_cb.firmware_options_1) & 4835 BIT_6) != 0; 4836 ql_dbg(ql_dbg_init, vha, 0x00bc, "FA-WWPN Support: %s.\n", 4837 (ha->flags.fawwpn_enabled) ? "enabled" : "disabled"); 4838 /* Init_cb will be reused for other command(s). Save a backup copy of port_name */ 4839 memcpy(ha->port_name, ha->init_cb->port_name, WWN_SIZE); 4840 } 4841 4842 /* ELS pass through payload is limit by frame size. */ 4843 if (ha->flags.edif_enabled) 4844 mid_init_cb->init_cb.frame_payload_size = cpu_to_le16(ELS_MAX_PAYLOAD); 4845 4846 QLA_FW_STARTED(ha); 4847 rval = qla2x00_init_firmware(vha, ha->init_cb_size); 4848 next_check: 4849 if (rval) { 4850 QLA_FW_STOPPED(ha); 4851 ql_log(ql_log_fatal, vha, 0x00d2, 4852 "Init Firmware **** FAILED ****.\n"); 4853 } else { 4854 ql_dbg(ql_dbg_init, vha, 0x00d3, 4855 "Init Firmware -- success.\n"); 4856 vha->u_ql2xexchoffld = vha->u_ql2xiniexchg = 0; 4857 } 4858 4859 return (rval); 4860 } 4861 4862 /** 4863 * qla2x00_fw_ready() - Waits for firmware ready. 4864 * @vha: HA context 4865 * 4866 * Returns 0 on success. 4867 */ 4868 static int 4869 qla2x00_fw_ready(scsi_qla_host_t *vha) 4870 { 4871 int rval; 4872 unsigned long wtime, mtime, cs84xx_time; 4873 uint16_t min_wait; /* Minimum wait time if loop is down */ 4874 uint16_t wait_time; /* Wait time if loop is coming ready */ 4875 uint16_t state[6]; 4876 struct qla_hw_data *ha = vha->hw; 4877 4878 if (IS_QLAFX00(vha->hw)) 4879 return qlafx00_fw_ready(vha); 4880 4881 /* Time to wait for loop down */ 4882 if (IS_P3P_TYPE(ha)) 4883 min_wait = 30; 4884 else 4885 min_wait = 20; 4886 4887 /* 4888 * Firmware should take at most one RATOV to login, plus 5 seconds for 4889 * our own processing. 4890 */ 4891 if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) { 4892 wait_time = min_wait; 4893 } 4894 4895 /* Min wait time if loop down */ 4896 mtime = jiffies + (min_wait * HZ); 4897 4898 /* wait time before firmware ready */ 4899 wtime = jiffies + (wait_time * HZ); 4900 4901 /* Wait for ISP to finish LIP */ 4902 if (!vha->flags.init_done) 4903 ql_log(ql_log_info, vha, 0x801e, 4904 "Waiting for LIP to complete.\n"); 4905 4906 do { 4907 memset(state, -1, sizeof(state)); 4908 rval = qla2x00_get_firmware_state(vha, state); 4909 if (rval == QLA_SUCCESS) { 4910 if (state[0] < FSTATE_LOSS_OF_SYNC) { 4911 vha->device_flags &= ~DFLG_NO_CABLE; 4912 } 4913 if (IS_QLA84XX(ha) && state[0] != FSTATE_READY) { 4914 ql_dbg(ql_dbg_taskm, vha, 0x801f, 4915 "fw_state=%x 84xx=%x.\n", state[0], 4916 state[2]); 4917 if ((state[2] & FSTATE_LOGGED_IN) && 4918 (state[2] & FSTATE_WAITING_FOR_VERIFY)) { 4919 ql_dbg(ql_dbg_taskm, vha, 0x8028, 4920 "Sending verify iocb.\n"); 4921 4922 cs84xx_time = jiffies; 4923 rval = qla84xx_init_chip(vha); 4924 if (rval != QLA_SUCCESS) { 4925 ql_log(ql_log_warn, 4926 vha, 0x8007, 4927 "Init chip failed.\n"); 4928 break; 4929 } 4930 4931 /* Add time taken to initialize. */ 4932 cs84xx_time = jiffies - cs84xx_time; 4933 wtime += cs84xx_time; 4934 mtime += cs84xx_time; 4935 ql_dbg(ql_dbg_taskm, vha, 0x8008, 4936 "Increasing wait time by %ld. " 4937 "New time %ld.\n", cs84xx_time, 4938 wtime); 4939 } 4940 } else if (state[0] == FSTATE_READY) { 4941 ql_dbg(ql_dbg_taskm, vha, 0x8037, 4942 "F/W Ready - OK.\n"); 4943 4944 qla2x00_get_retry_cnt(vha, &ha->retry_count, 4945 &ha->login_timeout, &ha->r_a_tov); 4946 4947 rval = QLA_SUCCESS; 4948 break; 4949 } 4950 4951 rval = QLA_FUNCTION_FAILED; 4952 4953 if (atomic_read(&vha->loop_down_timer) && 4954 state[0] != FSTATE_READY) { 4955 /* Loop down. Timeout on min_wait for states 4956 * other than Wait for Login. 4957 */ 4958 if (time_after_eq(jiffies, mtime)) { 4959 ql_log(ql_log_info, vha, 0x8038, 4960 "Cable is unplugged...\n"); 4961 4962 vha->device_flags |= DFLG_NO_CABLE; 4963 break; 4964 } 4965 } 4966 } else { 4967 /* Mailbox cmd failed. Timeout on min_wait. */ 4968 if (time_after_eq(jiffies, mtime) || 4969 ha->flags.isp82xx_fw_hung) 4970 break; 4971 } 4972 4973 if (time_after_eq(jiffies, wtime)) 4974 break; 4975 4976 /* Delay for a while */ 4977 msleep(500); 4978 } while (1); 4979 4980 ql_dbg(ql_dbg_taskm, vha, 0x803a, 4981 "fw_state=%x (%x, %x, %x, %x %x) curr time=%lx.\n", state[0], 4982 state[1], state[2], state[3], state[4], state[5], jiffies); 4983 4984 if (rval && !(vha->device_flags & DFLG_NO_CABLE)) { 4985 ql_log(ql_log_warn, vha, 0x803b, 4986 "Firmware ready **** FAILED ****.\n"); 4987 } 4988 4989 return (rval); 4990 } 4991 4992 /* 4993 * qla2x00_configure_hba 4994 * Setup adapter context. 4995 * 4996 * Input: 4997 * ha = adapter state pointer. 4998 * 4999 * Returns: 5000 * 0 = success 5001 * 5002 * Context: 5003 * Kernel context. 5004 */ 5005 static int 5006 qla2x00_configure_hba(scsi_qla_host_t *vha) 5007 { 5008 int rval; 5009 uint16_t loop_id; 5010 uint16_t topo; 5011 uint16_t sw_cap; 5012 uint8_t al_pa; 5013 uint8_t area; 5014 uint8_t domain; 5015 char connect_type[22]; 5016 struct qla_hw_data *ha = vha->hw; 5017 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev); 5018 port_id_t id; 5019 unsigned long flags; 5020 5021 /* Get host addresses. */ 5022 rval = qla2x00_get_adapter_id(vha, 5023 &loop_id, &al_pa, &area, &domain, &topo, &sw_cap); 5024 if (rval != QLA_SUCCESS) { 5025 if (LOOP_TRANSITION(vha) || atomic_read(&ha->loop_down_timer) || 5026 IS_CNA_CAPABLE(ha) || 5027 (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) { 5028 ql_dbg(ql_dbg_disc, vha, 0x2008, 5029 "Loop is in a transition state.\n"); 5030 } else { 5031 ql_log(ql_log_warn, vha, 0x2009, 5032 "Unable to get host loop ID.\n"); 5033 if (IS_FWI2_CAPABLE(ha) && (vha == base_vha) && 5034 (rval == QLA_COMMAND_ERROR && loop_id == 0x1b)) { 5035 ql_log(ql_log_warn, vha, 0x1151, 5036 "Doing link init.\n"); 5037 if (qla24xx_link_initialize(vha) == QLA_SUCCESS) 5038 return rval; 5039 } 5040 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 5041 } 5042 return (rval); 5043 } 5044 5045 if (topo == 4) { 5046 ql_log(ql_log_info, vha, 0x200a, 5047 "Cannot get topology - retrying.\n"); 5048 return (QLA_FUNCTION_FAILED); 5049 } 5050 5051 vha->loop_id = loop_id; 5052 5053 /* initialize */ 5054 ha->min_external_loopid = SNS_FIRST_LOOP_ID; 5055 ha->operating_mode = LOOP; 5056 5057 switch (topo) { 5058 case 0: 5059 ql_dbg(ql_dbg_disc, vha, 0x200b, "HBA in NL topology.\n"); 5060 ha->switch_cap = 0; 5061 ha->current_topology = ISP_CFG_NL; 5062 strcpy(connect_type, "(Loop)"); 5063 break; 5064 5065 case 1: 5066 ql_dbg(ql_dbg_disc, vha, 0x200c, "HBA in FL topology.\n"); 5067 ha->switch_cap = sw_cap; 5068 ha->current_topology = ISP_CFG_FL; 5069 strcpy(connect_type, "(FL_Port)"); 5070 break; 5071 5072 case 2: 5073 ql_dbg(ql_dbg_disc, vha, 0x200d, "HBA in N P2P topology.\n"); 5074 ha->switch_cap = 0; 5075 ha->operating_mode = P2P; 5076 ha->current_topology = ISP_CFG_N; 5077 strcpy(connect_type, "(N_Port-to-N_Port)"); 5078 break; 5079 5080 case 3: 5081 ql_dbg(ql_dbg_disc, vha, 0x200e, "HBA in F P2P topology.\n"); 5082 ha->switch_cap = sw_cap; 5083 ha->operating_mode = P2P; 5084 ha->current_topology = ISP_CFG_F; 5085 strcpy(connect_type, "(F_Port)"); 5086 break; 5087 5088 default: 5089 ql_dbg(ql_dbg_disc, vha, 0x200f, 5090 "HBA in unknown topology %x, using NL.\n", topo); 5091 ha->switch_cap = 0; 5092 ha->current_topology = ISP_CFG_NL; 5093 strcpy(connect_type, "(Loop)"); 5094 break; 5095 } 5096 5097 /* Save Host port and loop ID. */ 5098 /* byte order - Big Endian */ 5099 id.b.domain = domain; 5100 id.b.area = area; 5101 id.b.al_pa = al_pa; 5102 id.b.rsvd_1 = 0; 5103 spin_lock_irqsave(&ha->hardware_lock, flags); 5104 if (vha->hw->flags.edif_enabled) { 5105 if (topo != 2) 5106 qla_update_host_map(vha, id); 5107 } else if (!(topo == 2 && ha->flags.n2n_bigger)) 5108 qla_update_host_map(vha, id); 5109 spin_unlock_irqrestore(&ha->hardware_lock, flags); 5110 5111 if (!vha->flags.init_done) 5112 ql_log(ql_log_info, vha, 0x2010, 5113 "Topology - %s, Host Loop address 0x%x.\n", 5114 connect_type, vha->loop_id); 5115 5116 return(rval); 5117 } 5118 5119 inline void 5120 qla2x00_set_model_info(scsi_qla_host_t *vha, uint8_t *model, size_t len, 5121 const char *def) 5122 { 5123 char *st, *en; 5124 uint16_t index; 5125 uint64_t zero[2] = { 0 }; 5126 struct qla_hw_data *ha = vha->hw; 5127 int use_tbl = !IS_QLA24XX_TYPE(ha) && !IS_QLA25XX(ha) && 5128 !IS_CNA_CAPABLE(ha) && !IS_QLA2031(ha); 5129 5130 if (len > sizeof(zero)) 5131 len = sizeof(zero); 5132 if (memcmp(model, &zero, len) != 0) { 5133 memcpy(ha->model_number, model, len); 5134 st = en = ha->model_number; 5135 en += len - 1; 5136 while (en > st) { 5137 if (*en != 0x20 && *en != 0x00) 5138 break; 5139 *en-- = '\0'; 5140 } 5141 5142 index = (ha->pdev->subsystem_device & 0xff); 5143 if (use_tbl && 5144 ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC && 5145 index < QLA_MODEL_NAMES) 5146 strscpy(ha->model_desc, 5147 qla2x00_model_name[index * 2 + 1], 5148 sizeof(ha->model_desc)); 5149 } else { 5150 index = (ha->pdev->subsystem_device & 0xff); 5151 if (use_tbl && 5152 ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC && 5153 index < QLA_MODEL_NAMES) { 5154 strscpy(ha->model_number, 5155 qla2x00_model_name[index * 2], 5156 sizeof(ha->model_number)); 5157 strscpy(ha->model_desc, 5158 qla2x00_model_name[index * 2 + 1], 5159 sizeof(ha->model_desc)); 5160 } else { 5161 strscpy(ha->model_number, def, 5162 sizeof(ha->model_number)); 5163 } 5164 } 5165 if (IS_FWI2_CAPABLE(ha)) 5166 qla2xxx_get_vpd_field(vha, "\x82", ha->model_desc, 5167 sizeof(ha->model_desc)); 5168 } 5169 5170 /* On sparc systems, obtain port and node WWN from firmware 5171 * properties. 5172 */ 5173 static void qla2xxx_nvram_wwn_from_ofw(scsi_qla_host_t *vha, nvram_t *nv) 5174 { 5175 #ifdef CONFIG_SPARC 5176 struct qla_hw_data *ha = vha->hw; 5177 struct pci_dev *pdev = ha->pdev; 5178 struct device_node *dp = pci_device_to_OF_node(pdev); 5179 const u8 *val; 5180 int len; 5181 5182 val = of_get_property(dp, "port-wwn", &len); 5183 if (val && len >= WWN_SIZE) 5184 memcpy(nv->port_name, val, WWN_SIZE); 5185 5186 val = of_get_property(dp, "node-wwn", &len); 5187 if (val && len >= WWN_SIZE) 5188 memcpy(nv->node_name, val, WWN_SIZE); 5189 #endif 5190 } 5191 5192 /* 5193 * NVRAM configuration for ISP 2xxx 5194 * 5195 * Input: 5196 * ha = adapter block pointer. 5197 * 5198 * Output: 5199 * initialization control block in response_ring 5200 * host adapters parameters in host adapter block 5201 * 5202 * Returns: 5203 * 0 = success. 5204 */ 5205 int 5206 qla2x00_nvram_config(scsi_qla_host_t *vha) 5207 { 5208 int rval; 5209 uint8_t chksum = 0; 5210 uint16_t cnt; 5211 uint8_t *dptr1, *dptr2; 5212 struct qla_hw_data *ha = vha->hw; 5213 init_cb_t *icb = ha->init_cb; 5214 nvram_t *nv = ha->nvram; 5215 uint8_t *ptr = ha->nvram; 5216 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 5217 5218 rval = QLA_SUCCESS; 5219 5220 /* Determine NVRAM starting address. */ 5221 ha->nvram_size = sizeof(*nv); 5222 ha->nvram_base = 0; 5223 if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha)) 5224 if ((rd_reg_word(®->ctrl_status) >> 14) == 1) 5225 ha->nvram_base = 0x80; 5226 5227 /* Get NVRAM data and calculate checksum. */ 5228 ha->isp_ops->read_nvram(vha, ptr, ha->nvram_base, ha->nvram_size); 5229 for (cnt = 0, chksum = 0; cnt < ha->nvram_size; cnt++) 5230 chksum += *ptr++; 5231 5232 ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x010f, 5233 "Contents of NVRAM.\n"); 5234 ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0110, 5235 nv, ha->nvram_size); 5236 5237 /* Bad NVRAM data, set defaults parameters. */ 5238 if (chksum || memcmp("ISP ", nv->id, sizeof(nv->id)) || 5239 nv->nvram_version < 1) { 5240 /* Reset NVRAM data. */ 5241 ql_log(ql_log_warn, vha, 0x0064, 5242 "Inconsistent NVRAM detected: checksum=%#x id=%.4s version=%#x.\n", 5243 chksum, nv->id, nv->nvram_version); 5244 ql_log(ql_log_warn, vha, 0x0065, 5245 "Falling back to " 5246 "functioning (yet invalid -- WWPN) defaults.\n"); 5247 5248 /* 5249 * Set default initialization control block. 5250 */ 5251 memset(nv, 0, ha->nvram_size); 5252 nv->parameter_block_version = ICB_VERSION; 5253 5254 if (IS_QLA23XX(ha)) { 5255 nv->firmware_options[0] = BIT_2 | BIT_1; 5256 nv->firmware_options[1] = BIT_7 | BIT_5; 5257 nv->add_firmware_options[0] = BIT_5; 5258 nv->add_firmware_options[1] = BIT_5 | BIT_4; 5259 nv->frame_payload_size = cpu_to_le16(2048); 5260 nv->special_options[1] = BIT_7; 5261 } else if (IS_QLA2200(ha)) { 5262 nv->firmware_options[0] = BIT_2 | BIT_1; 5263 nv->firmware_options[1] = BIT_7 | BIT_5; 5264 nv->add_firmware_options[0] = BIT_5; 5265 nv->add_firmware_options[1] = BIT_5 | BIT_4; 5266 nv->frame_payload_size = cpu_to_le16(1024); 5267 } else if (IS_QLA2100(ha)) { 5268 nv->firmware_options[0] = BIT_3 | BIT_1; 5269 nv->firmware_options[1] = BIT_5; 5270 nv->frame_payload_size = cpu_to_le16(1024); 5271 } 5272 5273 nv->max_iocb_allocation = cpu_to_le16(256); 5274 nv->execution_throttle = cpu_to_le16(16); 5275 nv->retry_count = 8; 5276 nv->retry_delay = 1; 5277 5278 nv->port_name[0] = 33; 5279 nv->port_name[3] = 224; 5280 nv->port_name[4] = 139; 5281 5282 qla2xxx_nvram_wwn_from_ofw(vha, nv); 5283 5284 nv->login_timeout = 4; 5285 5286 /* 5287 * Set default host adapter parameters 5288 */ 5289 nv->host_p[1] = BIT_2; 5290 nv->reset_delay = 5; 5291 nv->port_down_retry_count = 8; 5292 nv->max_luns_per_target = cpu_to_le16(8); 5293 nv->link_down_timeout = 60; 5294 5295 rval = 1; 5296 } 5297 5298 /* Reset Initialization control block */ 5299 memset(icb, 0, ha->init_cb_size); 5300 5301 /* 5302 * Setup driver NVRAM options. 5303 */ 5304 nv->firmware_options[0] |= (BIT_6 | BIT_1); 5305 nv->firmware_options[0] &= ~(BIT_5 | BIT_4); 5306 nv->firmware_options[1] |= (BIT_5 | BIT_0); 5307 nv->firmware_options[1] &= ~BIT_4; 5308 5309 if (IS_QLA23XX(ha)) { 5310 nv->firmware_options[0] |= BIT_2; 5311 nv->firmware_options[0] &= ~BIT_3; 5312 nv->special_options[0] &= ~BIT_6; 5313 nv->add_firmware_options[1] |= BIT_5 | BIT_4; 5314 5315 if (IS_QLA2300(ha)) { 5316 if (ha->fb_rev == FPM_2310) { 5317 strcpy(ha->model_number, "QLA2310"); 5318 } else { 5319 strcpy(ha->model_number, "QLA2300"); 5320 } 5321 } else { 5322 qla2x00_set_model_info(vha, nv->model_number, 5323 sizeof(nv->model_number), "QLA23xx"); 5324 } 5325 } else if (IS_QLA2200(ha)) { 5326 nv->firmware_options[0] |= BIT_2; 5327 /* 5328 * 'Point-to-point preferred, else loop' is not a safe 5329 * connection mode setting. 5330 */ 5331 if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) == 5332 (BIT_5 | BIT_4)) { 5333 /* Force 'loop preferred, else point-to-point'. */ 5334 nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4); 5335 nv->add_firmware_options[0] |= BIT_5; 5336 } 5337 strcpy(ha->model_number, "QLA22xx"); 5338 } else /*if (IS_QLA2100(ha))*/ { 5339 strcpy(ha->model_number, "QLA2100"); 5340 } 5341 5342 /* 5343 * Copy over NVRAM RISC parameter block to initialization control block. 5344 */ 5345 dptr1 = (uint8_t *)icb; 5346 dptr2 = (uint8_t *)&nv->parameter_block_version; 5347 cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version; 5348 while (cnt--) 5349 *dptr1++ = *dptr2++; 5350 5351 /* Copy 2nd half. */ 5352 dptr1 = (uint8_t *)icb->add_firmware_options; 5353 cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options; 5354 while (cnt--) 5355 *dptr1++ = *dptr2++; 5356 ha->frame_payload_size = le16_to_cpu(icb->frame_payload_size); 5357 /* Use alternate WWN? */ 5358 if (nv->host_p[1] & BIT_7) { 5359 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE); 5360 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE); 5361 } 5362 5363 /* Prepare nodename */ 5364 if ((icb->firmware_options[1] & BIT_6) == 0) { 5365 /* 5366 * Firmware will apply the following mask if the nodename was 5367 * not provided. 5368 */ 5369 memcpy(icb->node_name, icb->port_name, WWN_SIZE); 5370 icb->node_name[0] &= 0xF0; 5371 } 5372 5373 /* 5374 * Set host adapter parameters. 5375 */ 5376 5377 /* 5378 * BIT_7 in the host-parameters section allows for modification to 5379 * internal driver logging. 5380 */ 5381 if (nv->host_p[0] & BIT_7) 5382 ql2xextended_error_logging = QL_DBG_DEFAULT1_MASK; 5383 ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0); 5384 /* Always load RISC code on non ISP2[12]00 chips. */ 5385 if (!IS_QLA2100(ha) && !IS_QLA2200(ha)) 5386 ha->flags.disable_risc_code_load = 0; 5387 ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0); 5388 ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0); 5389 ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0); 5390 ha->flags.enable_led_scheme = (nv->special_options[1] & BIT_4) ? 1 : 0; 5391 ha->flags.disable_serdes = 0; 5392 5393 ha->operating_mode = 5394 (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4; 5395 5396 memcpy(ha->fw_seriallink_options, nv->seriallink_options, 5397 sizeof(ha->fw_seriallink_options)); 5398 5399 /* save HBA serial number */ 5400 ha->serial0 = icb->port_name[5]; 5401 ha->serial1 = icb->port_name[6]; 5402 ha->serial2 = icb->port_name[7]; 5403 memcpy(vha->node_name, icb->node_name, WWN_SIZE); 5404 memcpy(vha->port_name, icb->port_name, WWN_SIZE); 5405 5406 icb->execution_throttle = cpu_to_le16(0xFFFF); 5407 5408 ha->retry_count = nv->retry_count; 5409 5410 /* Set minimum login_timeout to 4 seconds. */ 5411 if (nv->login_timeout != ql2xlogintimeout) 5412 nv->login_timeout = ql2xlogintimeout; 5413 if (nv->login_timeout < 4) 5414 nv->login_timeout = 4; 5415 ha->login_timeout = nv->login_timeout; 5416 5417 /* Set minimum RATOV to 100 tenths of a second. */ 5418 ha->r_a_tov = 100; 5419 5420 ha->loop_reset_delay = nv->reset_delay; 5421 5422 /* Link Down Timeout = 0: 5423 * 5424 * When Port Down timer expires we will start returning 5425 * I/O's to OS with "DID_NO_CONNECT". 5426 * 5427 * Link Down Timeout != 0: 5428 * 5429 * The driver waits for the link to come up after link down 5430 * before returning I/Os to OS with "DID_NO_CONNECT". 5431 */ 5432 if (nv->link_down_timeout == 0) { 5433 ha->loop_down_abort_time = 5434 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT); 5435 } else { 5436 ha->link_down_timeout = nv->link_down_timeout; 5437 ha->loop_down_abort_time = 5438 (LOOP_DOWN_TIME - ha->link_down_timeout); 5439 } 5440 5441 /* 5442 * Need enough time to try and get the port back. 5443 */ 5444 ha->port_down_retry_count = nv->port_down_retry_count; 5445 if (qlport_down_retry) 5446 ha->port_down_retry_count = qlport_down_retry; 5447 /* Set login_retry_count */ 5448 ha->login_retry_count = nv->retry_count; 5449 if (ha->port_down_retry_count == nv->port_down_retry_count && 5450 ha->port_down_retry_count > 3) 5451 ha->login_retry_count = ha->port_down_retry_count; 5452 else if (ha->port_down_retry_count > (int)ha->login_retry_count) 5453 ha->login_retry_count = ha->port_down_retry_count; 5454 if (ql2xloginretrycount) 5455 ha->login_retry_count = ql2xloginretrycount; 5456 5457 icb->lun_enables = cpu_to_le16(0); 5458 icb->command_resource_count = 0; 5459 icb->immediate_notify_resource_count = 0; 5460 icb->timeout = cpu_to_le16(0); 5461 5462 if (IS_QLA2100(ha) || IS_QLA2200(ha)) { 5463 /* Enable RIO */ 5464 icb->firmware_options[0] &= ~BIT_3; 5465 icb->add_firmware_options[0] &= 5466 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0); 5467 icb->add_firmware_options[0] |= BIT_2; 5468 icb->response_accumulation_timer = 3; 5469 icb->interrupt_delay_timer = 5; 5470 5471 vha->flags.process_response_queue = 1; 5472 } else { 5473 /* Enable ZIO. */ 5474 if (!vha->flags.init_done) { 5475 ha->zio_mode = icb->add_firmware_options[0] & 5476 (BIT_3 | BIT_2 | BIT_1 | BIT_0); 5477 ha->zio_timer = icb->interrupt_delay_timer ? 5478 icb->interrupt_delay_timer : 2; 5479 } 5480 icb->add_firmware_options[0] &= 5481 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0); 5482 vha->flags.process_response_queue = 0; 5483 if (ha->zio_mode != QLA_ZIO_DISABLED) { 5484 ha->zio_mode = QLA_ZIO_MODE_6; 5485 5486 ql_log(ql_log_info, vha, 0x0068, 5487 "ZIO mode %d enabled; timer delay (%d us).\n", 5488 ha->zio_mode, ha->zio_timer * 100); 5489 5490 icb->add_firmware_options[0] |= (uint8_t)ha->zio_mode; 5491 icb->interrupt_delay_timer = (uint8_t)ha->zio_timer; 5492 vha->flags.process_response_queue = 1; 5493 } 5494 } 5495 5496 if (rval) { 5497 ql_log(ql_log_warn, vha, 0x0069, 5498 "NVRAM configuration failed.\n"); 5499 } 5500 return (rval); 5501 } 5502 5503 void qla2x00_set_fcport_state(fc_port_t *fcport, int state) 5504 { 5505 int old_state; 5506 5507 old_state = atomic_read(&fcport->state); 5508 atomic_set(&fcport->state, state); 5509 5510 /* Don't print state transitions during initial allocation of fcport */ 5511 if (old_state && old_state != state) { 5512 ql_dbg(ql_dbg_disc, fcport->vha, 0x207d, 5513 "FCPort %8phC state transitioned from %s to %s - portid=%02x%02x%02x.\n", 5514 fcport->port_name, port_state_str[old_state], 5515 port_state_str[state], fcport->d_id.b.domain, 5516 fcport->d_id.b.area, fcport->d_id.b.al_pa); 5517 } 5518 } 5519 5520 /** 5521 * qla2x00_alloc_fcport() - Allocate a generic fcport. 5522 * @vha: HA context 5523 * @flags: allocation flags 5524 * 5525 * Returns a pointer to the allocated fcport, or NULL, if none available. 5526 */ 5527 fc_port_t * 5528 qla2x00_alloc_fcport(scsi_qla_host_t *vha, gfp_t flags) 5529 { 5530 fc_port_t *fcport; 5531 5532 fcport = kzalloc(sizeof(fc_port_t), flags); 5533 if (!fcport) 5534 return NULL; 5535 5536 fcport->ct_desc.ct_sns = dma_alloc_coherent(&vha->hw->pdev->dev, 5537 sizeof(struct ct_sns_pkt), &fcport->ct_desc.ct_sns_dma, 5538 flags); 5539 if (!fcport->ct_desc.ct_sns) { 5540 ql_log(ql_log_warn, vha, 0xd049, 5541 "Failed to allocate ct_sns request.\n"); 5542 kfree(fcport); 5543 return NULL; 5544 } 5545 5546 /* Setup fcport template structure. */ 5547 fcport->vha = vha; 5548 fcport->port_type = FCT_UNKNOWN; 5549 fcport->loop_id = FC_NO_LOOP_ID; 5550 qla2x00_set_fcport_state(fcport, FCS_UNCONFIGURED); 5551 fcport->supported_classes = FC_COS_UNSPECIFIED; 5552 fcport->fp_speed = PORT_SPEED_UNKNOWN; 5553 5554 fcport->disc_state = DSC_DELETED; 5555 fcport->fw_login_state = DSC_LS_PORT_UNAVAIL; 5556 fcport->deleted = QLA_SESS_DELETED; 5557 fcport->login_retry = vha->hw->login_retry_count; 5558 fcport->chip_reset = vha->hw->base_qpair->chip_reset; 5559 fcport->logout_on_delete = 1; 5560 fcport->tgt_link_down_time = QLA2XX_MAX_LINK_DOWN_TIME; 5561 fcport->tgt_short_link_down_cnt = 0; 5562 fcport->dev_loss_tmo = 0; 5563 5564 if (!fcport->ct_desc.ct_sns) { 5565 ql_log(ql_log_warn, vha, 0xd049, 5566 "Failed to allocate ct_sns request.\n"); 5567 kfree(fcport); 5568 return NULL; 5569 } 5570 5571 INIT_WORK(&fcport->del_work, qla24xx_delete_sess_fn); 5572 INIT_WORK(&fcport->free_work, qlt_free_session_done); 5573 INIT_WORK(&fcport->reg_work, qla_register_fcport_fn); 5574 INIT_LIST_HEAD(&fcport->gnl_entry); 5575 INIT_LIST_HEAD(&fcport->list); 5576 INIT_LIST_HEAD(&fcport->unsol_ctx_head); 5577 5578 INIT_LIST_HEAD(&fcport->sess_cmd_list); 5579 spin_lock_init(&fcport->sess_cmd_lock); 5580 5581 spin_lock_init(&fcport->edif.sa_list_lock); 5582 INIT_LIST_HEAD(&fcport->edif.tx_sa_list); 5583 INIT_LIST_HEAD(&fcport->edif.rx_sa_list); 5584 5585 spin_lock_init(&fcport->edif.indx_list_lock); 5586 INIT_LIST_HEAD(&fcport->edif.edif_indx_list); 5587 5588 return fcport; 5589 } 5590 5591 void 5592 qla2x00_free_fcport(fc_port_t *fcport) 5593 { 5594 if (fcport->ct_desc.ct_sns) { 5595 dma_free_coherent(&fcport->vha->hw->pdev->dev, 5596 sizeof(struct ct_sns_pkt), fcport->ct_desc.ct_sns, 5597 fcport->ct_desc.ct_sns_dma); 5598 5599 fcport->ct_desc.ct_sns = NULL; 5600 } 5601 5602 qla_edif_flush_sa_ctl_lists(fcport); 5603 list_del(&fcport->list); 5604 qla2x00_clear_loop_id(fcport); 5605 5606 qla_edif_list_del(fcport); 5607 5608 kfree(fcport); 5609 } 5610 5611 static void qla_get_login_template(scsi_qla_host_t *vha) 5612 { 5613 struct qla_hw_data *ha = vha->hw; 5614 int rval; 5615 u32 *bp, sz; 5616 __be32 *q; 5617 5618 memset(ha->init_cb, 0, ha->init_cb_size); 5619 sz = min_t(int, sizeof(struct fc_els_flogi), ha->init_cb_size); 5620 rval = qla24xx_get_port_login_templ(vha, ha->init_cb_dma, 5621 ha->init_cb, sz); 5622 if (rval != QLA_SUCCESS) { 5623 ql_dbg(ql_dbg_init, vha, 0x00d1, 5624 "PLOGI ELS param read fail.\n"); 5625 return; 5626 } 5627 q = (__be32 *)&ha->plogi_els_payld.fl_csp; 5628 5629 bp = (uint32_t *)ha->init_cb; 5630 cpu_to_be32_array(q, bp, sz / 4); 5631 ha->flags.plogi_template_valid = 1; 5632 } 5633 5634 /* 5635 * qla2x00_configure_loop 5636 * Updates Fibre Channel Device Database with what is actually on loop. 5637 * 5638 * Input: 5639 * ha = adapter block pointer. 5640 * 5641 * Returns: 5642 * 0 = success. 5643 * 1 = error. 5644 * 2 = database was full and device was not configured. 5645 */ 5646 static int 5647 qla2x00_configure_loop(scsi_qla_host_t *vha) 5648 { 5649 int rval; 5650 unsigned long flags, save_flags; 5651 struct qla_hw_data *ha = vha->hw; 5652 5653 rval = QLA_SUCCESS; 5654 5655 /* Get Initiator ID */ 5656 if (test_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags)) { 5657 rval = qla2x00_configure_hba(vha); 5658 if (rval != QLA_SUCCESS) { 5659 ql_dbg(ql_dbg_disc, vha, 0x2013, 5660 "Unable to configure HBA.\n"); 5661 return (rval); 5662 } 5663 } 5664 5665 save_flags = flags = vha->dpc_flags; 5666 ql_dbg(ql_dbg_disc, vha, 0x2014, 5667 "Configure loop -- dpc flags = 0x%lx.\n", flags); 5668 5669 /* 5670 * If we have both an RSCN and PORT UPDATE pending then handle them 5671 * both at the same time. 5672 */ 5673 clear_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); 5674 clear_bit(RSCN_UPDATE, &vha->dpc_flags); 5675 5676 qla2x00_get_data_rate(vha); 5677 qla_get_login_template(vha); 5678 5679 /* Determine what we need to do */ 5680 if ((ha->current_topology == ISP_CFG_FL || 5681 ha->current_topology == ISP_CFG_F) && 5682 (test_bit(LOCAL_LOOP_UPDATE, &flags))) { 5683 5684 set_bit(RSCN_UPDATE, &flags); 5685 clear_bit(LOCAL_LOOP_UPDATE, &flags); 5686 5687 } else if (ha->current_topology == ISP_CFG_NL || 5688 ha->current_topology == ISP_CFG_N) { 5689 clear_bit(RSCN_UPDATE, &flags); 5690 set_bit(LOCAL_LOOP_UPDATE, &flags); 5691 } else if (!vha->flags.online || 5692 (test_bit(ABORT_ISP_ACTIVE, &flags))) { 5693 set_bit(RSCN_UPDATE, &flags); 5694 set_bit(LOCAL_LOOP_UPDATE, &flags); 5695 } 5696 5697 if (test_bit(LOCAL_LOOP_UPDATE, &flags)) { 5698 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) { 5699 ql_dbg(ql_dbg_disc, vha, 0x2015, 5700 "Loop resync needed, failing.\n"); 5701 rval = QLA_FUNCTION_FAILED; 5702 } else 5703 rval = qla2x00_configure_local_loop(vha); 5704 } 5705 5706 if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) { 5707 if (LOOP_TRANSITION(vha)) { 5708 ql_dbg(ql_dbg_disc, vha, 0x2099, 5709 "Needs RSCN update and loop transition.\n"); 5710 rval = QLA_FUNCTION_FAILED; 5711 } 5712 else 5713 rval = qla2x00_configure_fabric(vha); 5714 } 5715 5716 if (rval == QLA_SUCCESS) { 5717 if (atomic_read(&vha->loop_down_timer) || 5718 test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) { 5719 rval = QLA_FUNCTION_FAILED; 5720 } else { 5721 atomic_set(&vha->loop_state, LOOP_READY); 5722 ql_dbg(ql_dbg_disc, vha, 0x2069, 5723 "LOOP READY.\n"); 5724 ha->flags.fw_init_done = 1; 5725 5726 /* 5727 * use link up to wake up app to get ready for 5728 * authentication. 5729 */ 5730 if (ha->flags.edif_enabled && DBELL_INACTIVE(vha)) 5731 qla2x00_post_aen_work(vha, FCH_EVT_LINKUP, 5732 ha->link_data_rate); 5733 5734 /* 5735 * Process any ATIO queue entries that came in 5736 * while we weren't online. 5737 */ 5738 if (qla_tgt_mode_enabled(vha) || 5739 qla_dual_mode_enabled(vha)) { 5740 spin_lock_irqsave(&ha->tgt.atio_lock, flags); 5741 qlt_24xx_process_atio_queue(vha, 0); 5742 spin_unlock_irqrestore(&ha->tgt.atio_lock, 5743 flags); 5744 } 5745 } 5746 } 5747 5748 if (rval) { 5749 ql_dbg(ql_dbg_disc, vha, 0x206a, 5750 "%s *** FAILED ***.\n", __func__); 5751 } else { 5752 ql_dbg(ql_dbg_disc, vha, 0x206b, 5753 "%s: exiting normally. local port wwpn %8phN id %06x)\n", 5754 __func__, vha->port_name, vha->d_id.b24); 5755 } 5756 5757 /* Restore state if a resync event occurred during processing */ 5758 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) { 5759 if (test_bit(LOCAL_LOOP_UPDATE, &save_flags)) 5760 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); 5761 if (test_bit(RSCN_UPDATE, &save_flags)) { 5762 set_bit(RSCN_UPDATE, &vha->dpc_flags); 5763 } 5764 } 5765 5766 return (rval); 5767 } 5768 5769 static int qla2x00_configure_n2n_loop(scsi_qla_host_t *vha) 5770 { 5771 unsigned long flags; 5772 fc_port_t *fcport; 5773 5774 ql_dbg(ql_dbg_disc, vha, 0x206a, "%s %d.\n", __func__, __LINE__); 5775 5776 if (test_and_clear_bit(N2N_LOGIN_NEEDED, &vha->dpc_flags)) 5777 set_bit(RELOGIN_NEEDED, &vha->dpc_flags); 5778 5779 list_for_each_entry(fcport, &vha->vp_fcports, list) { 5780 if (fcport->n2n_flag) { 5781 qla24xx_fcport_handle_login(vha, fcport); 5782 return QLA_SUCCESS; 5783 } 5784 } 5785 5786 spin_lock_irqsave(&vha->work_lock, flags); 5787 vha->scan.scan_retry++; 5788 spin_unlock_irqrestore(&vha->work_lock, flags); 5789 5790 if (vha->scan.scan_retry < MAX_SCAN_RETRIES) { 5791 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); 5792 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); 5793 } 5794 return QLA_FUNCTION_FAILED; 5795 } 5796 5797 static void 5798 qla_reinitialize_link(scsi_qla_host_t *vha) 5799 { 5800 int rval; 5801 5802 atomic_set(&vha->loop_state, LOOP_DOWN); 5803 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); 5804 rval = qla2x00_full_login_lip(vha); 5805 if (rval == QLA_SUCCESS) { 5806 ql_dbg(ql_dbg_disc, vha, 0xd050, "Link reinitialized\n"); 5807 } else { 5808 ql_dbg(ql_dbg_disc, vha, 0xd051, 5809 "Link reinitialization failed (%d)\n", rval); 5810 } 5811 } 5812 5813 /* 5814 * qla2x00_configure_local_loop 5815 * Updates Fibre Channel Device Database with local loop devices. 5816 * 5817 * Input: 5818 * ha = adapter block pointer. 5819 * 5820 * Returns: 5821 * 0 = success. 5822 */ 5823 static int 5824 qla2x00_configure_local_loop(scsi_qla_host_t *vha) 5825 { 5826 int rval, rval2; 5827 int found; 5828 fc_port_t *fcport, *new_fcport; 5829 uint16_t index; 5830 uint16_t entries; 5831 struct gid_list_info *gid; 5832 uint16_t loop_id; 5833 uint8_t domain, area, al_pa; 5834 struct qla_hw_data *ha = vha->hw; 5835 unsigned long flags; 5836 5837 /* Inititae N2N login. */ 5838 if (N2N_TOPO(ha)) 5839 return qla2x00_configure_n2n_loop(vha); 5840 5841 new_fcport = NULL; 5842 entries = MAX_FIBRE_DEVICES_LOOP; 5843 5844 /* Get list of logged in devices. */ 5845 memset(ha->gid_list, 0, qla2x00_gid_list_size(ha)); 5846 rval = qla2x00_get_id_list(vha, ha->gid_list, ha->gid_list_dma, 5847 &entries); 5848 if (rval != QLA_SUCCESS) 5849 goto err; 5850 5851 ql_dbg(ql_dbg_disc, vha, 0x2011, 5852 "Entries in ID list (%d).\n", entries); 5853 ql_dump_buffer(ql_dbg_disc + ql_dbg_buffer, vha, 0x2075, 5854 ha->gid_list, entries * sizeof(*ha->gid_list)); 5855 5856 if (entries == 0) { 5857 spin_lock_irqsave(&vha->work_lock, flags); 5858 vha->scan.scan_retry++; 5859 spin_unlock_irqrestore(&vha->work_lock, flags); 5860 5861 if (vha->scan.scan_retry < MAX_SCAN_RETRIES) { 5862 u8 loop_map_entries = 0; 5863 int rc; 5864 5865 rc = qla2x00_get_fcal_position_map(vha, NULL, 5866 &loop_map_entries); 5867 if (rc == QLA_SUCCESS && loop_map_entries > 1) { 5868 /* 5869 * There are devices that are still not logged 5870 * in. Reinitialize to give them a chance. 5871 */ 5872 qla_reinitialize_link(vha); 5873 return QLA_FUNCTION_FAILED; 5874 } 5875 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); 5876 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); 5877 } 5878 } else { 5879 vha->scan.scan_retry = 0; 5880 } 5881 5882 list_for_each_entry(fcport, &vha->vp_fcports, list) { 5883 fcport->scan_state = QLA_FCPORT_SCAN; 5884 } 5885 5886 /* Allocate temporary fcport for any new fcports discovered. */ 5887 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL); 5888 if (new_fcport == NULL) { 5889 ql_log(ql_log_warn, vha, 0x2012, 5890 "Memory allocation failed for fcport.\n"); 5891 rval = QLA_MEMORY_ALLOC_FAILED; 5892 goto err; 5893 } 5894 new_fcport->flags &= ~FCF_FABRIC_DEVICE; 5895 5896 /* Add devices to port list. */ 5897 gid = ha->gid_list; 5898 for (index = 0; index < entries; index++) { 5899 domain = gid->domain; 5900 area = gid->area; 5901 al_pa = gid->al_pa; 5902 if (IS_QLA2100(ha) || IS_QLA2200(ha)) 5903 loop_id = gid->loop_id_2100; 5904 else 5905 loop_id = le16_to_cpu(gid->loop_id); 5906 gid = (void *)gid + ha->gid_list_info_size; 5907 5908 /* Bypass reserved domain fields. */ 5909 if ((domain & 0xf0) == 0xf0) 5910 continue; 5911 5912 /* Bypass if not same domain and area of adapter. */ 5913 if (area && domain && ((area != vha->d_id.b.area) || 5914 (domain != vha->d_id.b.domain)) && 5915 (ha->current_topology == ISP_CFG_NL)) 5916 continue; 5917 5918 5919 /* Bypass invalid local loop ID. */ 5920 if (loop_id > LAST_LOCAL_LOOP_ID) 5921 continue; 5922 5923 memset(new_fcport->port_name, 0, WWN_SIZE); 5924 5925 /* Fill in member data. */ 5926 new_fcport->d_id.b.domain = domain; 5927 new_fcport->d_id.b.area = area; 5928 new_fcport->d_id.b.al_pa = al_pa; 5929 new_fcport->loop_id = loop_id; 5930 new_fcport->scan_state = QLA_FCPORT_FOUND; 5931 5932 rval2 = qla2x00_get_port_database(vha, new_fcport, 0); 5933 if (rval2 != QLA_SUCCESS) { 5934 ql_dbg(ql_dbg_disc, vha, 0x2097, 5935 "Failed to retrieve fcport information " 5936 "-- get_port_database=%x, loop_id=0x%04x.\n", 5937 rval2, new_fcport->loop_id); 5938 /* Skip retry if N2N */ 5939 if (ha->current_topology != ISP_CFG_N) { 5940 ql_dbg(ql_dbg_disc, vha, 0x2105, 5941 "Scheduling resync.\n"); 5942 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); 5943 continue; 5944 } 5945 } 5946 5947 spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags); 5948 /* Check for matching device in port list. */ 5949 found = 0; 5950 fcport = NULL; 5951 list_for_each_entry(fcport, &vha->vp_fcports, list) { 5952 if (memcmp(new_fcport->port_name, fcport->port_name, 5953 WWN_SIZE)) 5954 continue; 5955 5956 fcport->flags &= ~FCF_FABRIC_DEVICE; 5957 fcport->loop_id = new_fcport->loop_id; 5958 fcport->port_type = new_fcport->port_type; 5959 fcport->d_id.b24 = new_fcport->d_id.b24; 5960 memcpy(fcport->node_name, new_fcport->node_name, 5961 WWN_SIZE); 5962 fcport->scan_state = QLA_FCPORT_FOUND; 5963 if (fcport->login_retry == 0) { 5964 fcport->login_retry = vha->hw->login_retry_count; 5965 ql_dbg(ql_dbg_disc, vha, 0x2135, 5966 "Port login retry %8phN, lid 0x%04x retry cnt=%d.\n", 5967 fcport->port_name, fcport->loop_id, 5968 fcport->login_retry); 5969 } 5970 found++; 5971 break; 5972 } 5973 5974 if (!found) { 5975 /* New device, add to fcports list. */ 5976 list_add_tail(&new_fcport->list, &vha->vp_fcports); 5977 5978 /* Allocate a new replacement fcport. */ 5979 fcport = new_fcport; 5980 5981 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags); 5982 5983 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL); 5984 5985 if (new_fcport == NULL) { 5986 ql_log(ql_log_warn, vha, 0xd031, 5987 "Failed to allocate memory for fcport.\n"); 5988 rval = QLA_MEMORY_ALLOC_FAILED; 5989 goto err; 5990 } 5991 spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags); 5992 new_fcport->flags &= ~FCF_FABRIC_DEVICE; 5993 } 5994 5995 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags); 5996 5997 /* Base iIDMA settings on HBA port speed. */ 5998 fcport->fp_speed = ha->link_data_rate; 5999 } 6000 6001 list_for_each_entry(fcport, &vha->vp_fcports, list) { 6002 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) 6003 break; 6004 6005 if (fcport->scan_state == QLA_FCPORT_SCAN) { 6006 if ((qla_dual_mode_enabled(vha) || 6007 qla_ini_mode_enabled(vha)) && 6008 atomic_read(&fcport->state) == FCS_ONLINE) { 6009 qla2x00_mark_device_lost(vha, fcport, 6010 ql2xplogiabsentdevice); 6011 if (fcport->loop_id != FC_NO_LOOP_ID && 6012 (fcport->flags & FCF_FCP2_DEVICE) == 0 && 6013 fcport->port_type != FCT_INITIATOR && 6014 fcport->port_type != FCT_BROADCAST) { 6015 ql_dbg(ql_dbg_disc, vha, 0x20f0, 6016 "%s %d %8phC post del sess\n", 6017 __func__, __LINE__, 6018 fcport->port_name); 6019 6020 qlt_schedule_sess_for_deletion(fcport); 6021 continue; 6022 } 6023 } 6024 } 6025 6026 if (fcport->scan_state == QLA_FCPORT_FOUND) 6027 qla24xx_fcport_handle_login(vha, fcport); 6028 } 6029 6030 qla2x00_free_fcport(new_fcport); 6031 6032 return rval; 6033 6034 err: 6035 ql_dbg(ql_dbg_disc, vha, 0x2098, 6036 "Configure local loop error exit: rval=%x.\n", rval); 6037 return rval; 6038 } 6039 6040 static void 6041 qla2x00_iidma_fcport(scsi_qla_host_t *vha, fc_port_t *fcport) 6042 { 6043 int rval; 6044 uint16_t mb[MAILBOX_REGISTER_COUNT]; 6045 struct qla_hw_data *ha = vha->hw; 6046 6047 if (!IS_IIDMA_CAPABLE(ha)) 6048 return; 6049 6050 if (atomic_read(&fcport->state) != FCS_ONLINE) 6051 return; 6052 6053 if (fcport->fp_speed == PORT_SPEED_UNKNOWN || 6054 fcport->fp_speed > ha->link_data_rate || 6055 !ha->flags.gpsc_supported) 6056 return; 6057 6058 rval = qla2x00_set_idma_speed(vha, fcport->loop_id, fcport->fp_speed, 6059 mb); 6060 if (rval != QLA_SUCCESS) { 6061 ql_dbg(ql_dbg_disc, vha, 0x2004, 6062 "Unable to adjust iIDMA %8phN -- %04x %x %04x %04x.\n", 6063 fcport->port_name, rval, fcport->fp_speed, mb[0], mb[1]); 6064 } else { 6065 ql_dbg(ql_dbg_disc, vha, 0x2005, 6066 "iIDMA adjusted to %s GB/s (%X) on %8phN.\n", 6067 qla2x00_get_link_speed_str(ha, fcport->fp_speed), 6068 fcport->fp_speed, fcport->port_name); 6069 } 6070 } 6071 6072 void qla_do_iidma_work(struct scsi_qla_host *vha, fc_port_t *fcport) 6073 { 6074 qla2x00_iidma_fcport(vha, fcport); 6075 qla24xx_update_fcport_fcp_prio(vha, fcport); 6076 } 6077 6078 int qla_post_iidma_work(struct scsi_qla_host *vha, fc_port_t *fcport) 6079 { 6080 struct qla_work_evt *e; 6081 6082 e = qla2x00_alloc_work(vha, QLA_EVT_IIDMA); 6083 if (!e) 6084 return QLA_FUNCTION_FAILED; 6085 6086 e->u.fcport.fcport = fcport; 6087 return qla2x00_post_work(vha, e); 6088 } 6089 6090 /* qla2x00_reg_remote_port is reserved for Initiator Mode only.*/ 6091 static void 6092 qla2x00_reg_remote_port(scsi_qla_host_t *vha, fc_port_t *fcport) 6093 { 6094 struct fc_rport_identifiers rport_ids; 6095 struct fc_rport *rport; 6096 unsigned long flags; 6097 6098 if (atomic_read(&fcport->state) == FCS_ONLINE) 6099 return; 6100 6101 rport_ids.node_name = wwn_to_u64(fcport->node_name); 6102 rport_ids.port_name = wwn_to_u64(fcport->port_name); 6103 rport_ids.port_id = fcport->d_id.b.domain << 16 | 6104 fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa; 6105 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN; 6106 fcport->rport = rport = fc_remote_port_add(vha->host, 0, &rport_ids); 6107 if (!rport) { 6108 ql_log(ql_log_warn, vha, 0x2006, 6109 "Unable to allocate fc remote port.\n"); 6110 return; 6111 } 6112 6113 spin_lock_irqsave(fcport->vha->host->host_lock, flags); 6114 *((fc_port_t **)rport->dd_data) = fcport; 6115 spin_unlock_irqrestore(fcport->vha->host->host_lock, flags); 6116 fcport->dev_loss_tmo = rport->dev_loss_tmo; 6117 6118 rport->supported_classes = fcport->supported_classes; 6119 6120 rport_ids.roles = FC_PORT_ROLE_UNKNOWN; 6121 if (fcport->port_type == FCT_INITIATOR) 6122 rport_ids.roles |= FC_PORT_ROLE_FCP_INITIATOR; 6123 if (fcport->port_type == FCT_TARGET) 6124 rport_ids.roles |= FC_PORT_ROLE_FCP_TARGET; 6125 if (fcport->port_type & FCT_NVME_INITIATOR) 6126 rport_ids.roles |= FC_PORT_ROLE_NVME_INITIATOR; 6127 if (fcport->port_type & FCT_NVME_TARGET) 6128 rport_ids.roles |= FC_PORT_ROLE_NVME_TARGET; 6129 if (fcport->port_type & FCT_NVME_DISCOVERY) 6130 rport_ids.roles |= FC_PORT_ROLE_NVME_DISCOVERY; 6131 6132 fc_remote_port_rolechg(rport, rport_ids.roles); 6133 6134 ql_dbg(ql_dbg_disc, vha, 0x20ee, 6135 "%s: %8phN. rport %ld:0:%d (%p) is %s mode\n", 6136 __func__, fcport->port_name, vha->host_no, 6137 rport->scsi_target_id, rport, 6138 (fcport->port_type == FCT_TARGET) ? "tgt" : 6139 ((fcport->port_type & FCT_NVME) ? "nvme" : "ini")); 6140 } 6141 6142 /* 6143 * qla2x00_update_fcport 6144 * Updates device on list. 6145 * 6146 * Input: 6147 * ha = adapter block pointer. 6148 * fcport = port structure pointer. 6149 * 6150 * Return: 6151 * 0 - Success 6152 * BIT_0 - error 6153 * 6154 * Context: 6155 * Kernel context. 6156 */ 6157 void 6158 qla2x00_update_fcport(scsi_qla_host_t *vha, fc_port_t *fcport) 6159 { 6160 unsigned long flags; 6161 6162 if (IS_SW_RESV_ADDR(fcport->d_id)) 6163 return; 6164 6165 ql_dbg(ql_dbg_disc, vha, 0x20ef, "%s %8phC\n", 6166 __func__, fcport->port_name); 6167 6168 qla2x00_set_fcport_disc_state(fcport, DSC_UPD_FCPORT); 6169 fcport->login_retry = vha->hw->login_retry_count; 6170 fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT); 6171 6172 spin_lock_irqsave(&vha->work_lock, flags); 6173 fcport->deleted = 0; 6174 spin_unlock_irqrestore(&vha->work_lock, flags); 6175 6176 if (vha->hw->current_topology == ISP_CFG_NL) 6177 fcport->logout_on_delete = 0; 6178 else 6179 fcport->logout_on_delete = 1; 6180 fcport->n2n_chip_reset = fcport->n2n_link_reset_cnt = 0; 6181 6182 if (fcport->tgt_link_down_time < fcport->dev_loss_tmo) { 6183 fcport->tgt_short_link_down_cnt++; 6184 fcport->tgt_link_down_time = QLA2XX_MAX_LINK_DOWN_TIME; 6185 } 6186 6187 switch (vha->hw->current_topology) { 6188 case ISP_CFG_N: 6189 case ISP_CFG_NL: 6190 fcport->keep_nport_handle = 1; 6191 break; 6192 default: 6193 break; 6194 } 6195 6196 qla2x00_iidma_fcport(vha, fcport); 6197 6198 qla2x00_dfs_create_rport(vha, fcport); 6199 6200 qla24xx_update_fcport_fcp_prio(vha, fcport); 6201 6202 switch (vha->host->active_mode) { 6203 case MODE_INITIATOR: 6204 qla2x00_reg_remote_port(vha, fcport); 6205 break; 6206 case MODE_TARGET: 6207 if (!vha->vha_tgt.qla_tgt->tgt_stop && 6208 !vha->vha_tgt.qla_tgt->tgt_stopped) 6209 qlt_fc_port_added(vha, fcport); 6210 break; 6211 case MODE_DUAL: 6212 qla2x00_reg_remote_port(vha, fcport); 6213 if (!vha->vha_tgt.qla_tgt->tgt_stop && 6214 !vha->vha_tgt.qla_tgt->tgt_stopped) 6215 qlt_fc_port_added(vha, fcport); 6216 break; 6217 default: 6218 break; 6219 } 6220 6221 if (NVME_TARGET(vha->hw, fcport)) 6222 qla_nvme_register_remote(vha, fcport); 6223 6224 qla2x00_set_fcport_state(fcport, FCS_ONLINE); 6225 6226 if (IS_IIDMA_CAPABLE(vha->hw) && vha->hw->flags.gpsc_supported) { 6227 if (fcport->id_changed) { 6228 fcport->id_changed = 0; 6229 ql_dbg(ql_dbg_disc, vha, 0x20d7, 6230 "%s %d %8phC post gfpnid fcp_cnt %d\n", 6231 __func__, __LINE__, fcport->port_name, 6232 vha->fcport_count); 6233 qla24xx_post_gfpnid_work(vha, fcport); 6234 } else { 6235 ql_dbg(ql_dbg_disc, vha, 0x20d7, 6236 "%s %d %8phC post gpsc fcp_cnt %d\n", 6237 __func__, __LINE__, fcport->port_name, 6238 vha->fcport_count); 6239 qla24xx_post_gpsc_work(vha, fcport); 6240 } 6241 } 6242 6243 qla2x00_set_fcport_disc_state(fcport, DSC_LOGIN_COMPLETE); 6244 } 6245 6246 void qla_register_fcport_fn(struct work_struct *work) 6247 { 6248 fc_port_t *fcport = container_of(work, struct fc_port, reg_work); 6249 u32 rscn_gen = fcport->rscn_gen; 6250 u16 data[2]; 6251 6252 if (IS_SW_RESV_ADDR(fcport->d_id)) 6253 return; 6254 6255 qla2x00_update_fcport(fcport->vha, fcport); 6256 6257 ql_dbg(ql_dbg_disc, fcport->vha, 0x911e, 6258 "%s rscn gen %d/%d next DS %d\n", __func__, 6259 rscn_gen, fcport->rscn_gen, fcport->next_disc_state); 6260 6261 if (rscn_gen != fcport->rscn_gen) { 6262 /* RSCN(s) came in while registration */ 6263 switch (fcport->next_disc_state) { 6264 case DSC_DELETE_PEND: 6265 qlt_schedule_sess_for_deletion(fcport); 6266 break; 6267 case DSC_ADISC: 6268 data[0] = data[1] = 0; 6269 qla2x00_post_async_adisc_work(fcport->vha, fcport, 6270 data); 6271 break; 6272 default: 6273 break; 6274 } 6275 } 6276 } 6277 6278 /* 6279 * qla2x00_configure_fabric 6280 * Setup SNS devices with loop ID's. 6281 * 6282 * Input: 6283 * ha = adapter block pointer. 6284 * 6285 * Returns: 6286 * 0 = success. 6287 * BIT_0 = error 6288 */ 6289 static int 6290 qla2x00_configure_fabric(scsi_qla_host_t *vha) 6291 { 6292 int rval; 6293 fc_port_t *fcport; 6294 uint16_t mb[MAILBOX_REGISTER_COUNT]; 6295 uint16_t loop_id; 6296 struct qla_hw_data *ha = vha->hw; 6297 int discovery_gen; 6298 6299 /* If FL port exists, then SNS is present */ 6300 if (IS_FWI2_CAPABLE(ha)) 6301 loop_id = NPH_F_PORT; 6302 else 6303 loop_id = SNS_FL_PORT; 6304 rval = qla2x00_get_port_name(vha, loop_id, vha->fabric_node_name, 1); 6305 if (rval != QLA_SUCCESS) { 6306 ql_dbg(ql_dbg_disc, vha, 0x20a0, 6307 "MBX_GET_PORT_NAME failed, No FL Port.\n"); 6308 6309 vha->device_flags &= ~SWITCH_FOUND; 6310 return (QLA_SUCCESS); 6311 } 6312 vha->device_flags |= SWITCH_FOUND; 6313 6314 rval = qla2x00_get_port_name(vha, loop_id, vha->fabric_port_name, 0); 6315 if (rval != QLA_SUCCESS) 6316 ql_dbg(ql_dbg_disc, vha, 0x20ff, 6317 "Failed to get Fabric Port Name\n"); 6318 6319 if (qla_tgt_mode_enabled(vha) || qla_dual_mode_enabled(vha)) { 6320 rval = qla2x00_send_change_request(vha, 0x3, 0); 6321 if (rval != QLA_SUCCESS) 6322 ql_log(ql_log_warn, vha, 0x121, 6323 "Failed to enable receiving of RSCN requests: 0x%x.\n", 6324 rval); 6325 } 6326 6327 do { 6328 qla2x00_mgmt_svr_login(vha); 6329 6330 /* Ensure we are logged into the SNS. */ 6331 loop_id = NPH_SNS_LID(ha); 6332 rval = ha->isp_ops->fabric_login(vha, loop_id, 0xff, 0xff, 6333 0xfc, mb, BIT_1|BIT_0); 6334 if (rval != QLA_SUCCESS || mb[0] != MBS_COMMAND_COMPLETE) { 6335 ql_dbg(ql_dbg_disc, vha, 0x20a1, 6336 "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x mb[2]=%x mb[6]=%x mb[7]=%x (%x).\n", 6337 loop_id, mb[0], mb[1], mb[2], mb[6], mb[7], rval); 6338 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); 6339 return rval; 6340 } 6341 6342 /* FDMI support. */ 6343 if (ql2xfdmienable && 6344 test_and_clear_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags)) 6345 qla2x00_fdmi_register(vha); 6346 6347 if (test_and_clear_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags)) { 6348 if (qla2x00_rft_id(vha)) { 6349 /* EMPTY */ 6350 ql_dbg(ql_dbg_disc, vha, 0x20a2, 6351 "Register FC-4 TYPE failed.\n"); 6352 if (test_bit(LOOP_RESYNC_NEEDED, 6353 &vha->dpc_flags)) 6354 break; 6355 } 6356 if (qla2x00_rff_id(vha, FC4_TYPE_FCP_SCSI)) { 6357 /* EMPTY */ 6358 ql_dbg(ql_dbg_disc, vha, 0x209a, 6359 "Register FC-4 Features failed.\n"); 6360 if (test_bit(LOOP_RESYNC_NEEDED, 6361 &vha->dpc_flags)) 6362 break; 6363 } 6364 if (vha->flags.nvme_enabled) { 6365 if (qla2x00_rff_id(vha, FC_TYPE_NVME)) { 6366 ql_dbg(ql_dbg_disc, vha, 0x2049, 6367 "Register NVME FC Type Features failed.\n"); 6368 } 6369 } 6370 if (qla2x00_rnn_id(vha)) { 6371 /* EMPTY */ 6372 ql_dbg(ql_dbg_disc, vha, 0x2104, 6373 "Register Node Name failed.\n"); 6374 if (test_bit(LOOP_RESYNC_NEEDED, 6375 &vha->dpc_flags)) 6376 break; 6377 } else if (qla2x00_rsnn_nn(vha)) { 6378 /* EMPTY */ 6379 ql_dbg(ql_dbg_disc, vha, 0x209b, 6380 "Register Symbolic Node Name failed.\n"); 6381 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) 6382 break; 6383 } 6384 } 6385 6386 6387 /* Mark the time right before querying FW for connected ports. 6388 * This process is long, asynchronous and by the time it's done, 6389 * collected information might not be accurate anymore. E.g. 6390 * disconnected port might have re-connected and a brand new 6391 * session has been created. In this case session's generation 6392 * will be newer than discovery_gen. */ 6393 qlt_do_generation_tick(vha, &discovery_gen); 6394 6395 if (USE_ASYNC_SCAN(ha)) { 6396 rval = qla24xx_async_gpnft(vha, FC4_TYPE_FCP_SCSI, 6397 NULL); 6398 if (rval) 6399 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); 6400 } else { 6401 list_for_each_entry(fcport, &vha->vp_fcports, list) 6402 fcport->scan_state = QLA_FCPORT_SCAN; 6403 6404 rval = qla2x00_find_all_fabric_devs(vha); 6405 } 6406 if (rval != QLA_SUCCESS) 6407 break; 6408 } while (0); 6409 6410 if (!vha->nvme_local_port && vha->flags.nvme_enabled) 6411 qla_nvme_register_hba(vha); 6412 6413 if (rval) 6414 ql_dbg(ql_dbg_disc, vha, 0x2068, 6415 "Configure fabric error exit rval=%d.\n", rval); 6416 6417 return (rval); 6418 } 6419 6420 /* 6421 * qla2x00_find_all_fabric_devs 6422 * 6423 * Input: 6424 * ha = adapter block pointer. 6425 * dev = database device entry pointer. 6426 * 6427 * Returns: 6428 * 0 = success. 6429 * 6430 * Context: 6431 * Kernel context. 6432 */ 6433 static int 6434 qla2x00_find_all_fabric_devs(scsi_qla_host_t *vha) 6435 { 6436 int rval; 6437 uint16_t loop_id; 6438 fc_port_t *fcport, *new_fcport; 6439 int found; 6440 6441 sw_info_t *swl; 6442 int swl_idx; 6443 int first_dev, last_dev; 6444 port_id_t wrap = {}, nxt_d_id; 6445 struct qla_hw_data *ha = vha->hw; 6446 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev); 6447 unsigned long flags; 6448 6449 rval = QLA_SUCCESS; 6450 6451 /* Try GID_PT to get device list, else GAN. */ 6452 if (!ha->swl) 6453 ha->swl = kcalloc(ha->max_fibre_devices, sizeof(sw_info_t), 6454 GFP_KERNEL); 6455 swl = ha->swl; 6456 if (!swl) { 6457 /*EMPTY*/ 6458 ql_dbg(ql_dbg_disc, vha, 0x209c, 6459 "GID_PT allocations failed, fallback on GA_NXT.\n"); 6460 } else { 6461 memset(swl, 0, ha->max_fibre_devices * sizeof(sw_info_t)); 6462 if (qla2x00_gid_pt(vha, swl) != QLA_SUCCESS) { 6463 swl = NULL; 6464 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) 6465 return rval; 6466 } else if (qla2x00_gpn_id(vha, swl) != QLA_SUCCESS) { 6467 swl = NULL; 6468 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) 6469 return rval; 6470 } else if (qla2x00_gnn_id(vha, swl) != QLA_SUCCESS) { 6471 swl = NULL; 6472 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) 6473 return rval; 6474 } else if (qla2x00_gfpn_id(vha, swl) != QLA_SUCCESS) { 6475 swl = NULL; 6476 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) 6477 return rval; 6478 } 6479 6480 /* If other queries succeeded probe for FC-4 type */ 6481 if (swl) { 6482 qla2x00_gff_id(vha, swl); 6483 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) 6484 return rval; 6485 } 6486 } 6487 swl_idx = 0; 6488 6489 /* Allocate temporary fcport for any new fcports discovered. */ 6490 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL); 6491 if (new_fcport == NULL) { 6492 ql_log(ql_log_warn, vha, 0x209d, 6493 "Failed to allocate memory for fcport.\n"); 6494 return (QLA_MEMORY_ALLOC_FAILED); 6495 } 6496 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED); 6497 /* Set start port ID scan at adapter ID. */ 6498 first_dev = 1; 6499 last_dev = 0; 6500 6501 /* Starting free loop ID. */ 6502 loop_id = ha->min_external_loopid; 6503 for (; loop_id <= ha->max_loop_id; loop_id++) { 6504 if (qla2x00_is_reserved_id(vha, loop_id)) 6505 continue; 6506 6507 if (ha->current_topology == ISP_CFG_FL && 6508 (atomic_read(&vha->loop_down_timer) || 6509 LOOP_TRANSITION(vha))) { 6510 atomic_set(&vha->loop_down_timer, 0); 6511 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); 6512 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); 6513 break; 6514 } 6515 6516 if (swl != NULL) { 6517 if (last_dev) { 6518 wrap.b24 = new_fcport->d_id.b24; 6519 } else { 6520 new_fcport->d_id.b24 = swl[swl_idx].d_id.b24; 6521 memcpy(new_fcport->node_name, 6522 swl[swl_idx].node_name, WWN_SIZE); 6523 memcpy(new_fcport->port_name, 6524 swl[swl_idx].port_name, WWN_SIZE); 6525 memcpy(new_fcport->fabric_port_name, 6526 swl[swl_idx].fabric_port_name, WWN_SIZE); 6527 new_fcport->fp_speed = swl[swl_idx].fp_speed; 6528 new_fcport->fc4_type = swl[swl_idx].fc4_type; 6529 6530 new_fcport->nvme_flag = 0; 6531 if (vha->flags.nvme_enabled && 6532 swl[swl_idx].fc4_type & FS_FC4TYPE_NVME) { 6533 ql_log(ql_log_info, vha, 0x2131, 6534 "FOUND: NVME port %8phC as FC Type 28h\n", 6535 new_fcport->port_name); 6536 } 6537 6538 if (swl[swl_idx].d_id.b.rsvd_1 != 0) { 6539 last_dev = 1; 6540 } 6541 swl_idx++; 6542 } 6543 } else { 6544 /* Send GA_NXT to the switch */ 6545 rval = qla2x00_ga_nxt(vha, new_fcport); 6546 if (rval != QLA_SUCCESS) { 6547 ql_log(ql_log_warn, vha, 0x209e, 6548 "SNS scan failed -- assuming " 6549 "zero-entry result.\n"); 6550 rval = QLA_SUCCESS; 6551 break; 6552 } 6553 } 6554 6555 /* If wrap on switch device list, exit. */ 6556 if (first_dev) { 6557 wrap.b24 = new_fcport->d_id.b24; 6558 first_dev = 0; 6559 } else if (new_fcport->d_id.b24 == wrap.b24) { 6560 ql_dbg(ql_dbg_disc, vha, 0x209f, 6561 "Device wrap (%02x%02x%02x).\n", 6562 new_fcport->d_id.b.domain, 6563 new_fcport->d_id.b.area, 6564 new_fcport->d_id.b.al_pa); 6565 break; 6566 } 6567 6568 /* Bypass if same physical adapter. */ 6569 if (new_fcport->d_id.b24 == base_vha->d_id.b24) 6570 continue; 6571 6572 /* Bypass virtual ports of the same host. */ 6573 if (qla2x00_is_a_vp_did(vha, new_fcport->d_id.b24)) 6574 continue; 6575 6576 /* Bypass if same domain and area of adapter. */ 6577 if (((new_fcport->d_id.b24 & 0xffff00) == 6578 (vha->d_id.b24 & 0xffff00)) && ha->current_topology == 6579 ISP_CFG_FL) 6580 continue; 6581 6582 /* Bypass reserved domain fields. */ 6583 if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0) 6584 continue; 6585 6586 /* Bypass ports whose FCP-4 type is not FCP_SCSI */ 6587 if (ql2xgffidenable && 6588 (!(new_fcport->fc4_type & FS_FC4TYPE_FCP) && 6589 new_fcport->fc4_type != 0)) 6590 continue; 6591 6592 spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags); 6593 6594 /* Locate matching device in database. */ 6595 found = 0; 6596 list_for_each_entry(fcport, &vha->vp_fcports, list) { 6597 if (memcmp(new_fcport->port_name, fcport->port_name, 6598 WWN_SIZE)) 6599 continue; 6600 6601 fcport->scan_state = QLA_FCPORT_FOUND; 6602 6603 found++; 6604 6605 /* Update port state. */ 6606 memcpy(fcport->fabric_port_name, 6607 new_fcport->fabric_port_name, WWN_SIZE); 6608 fcport->fp_speed = new_fcport->fp_speed; 6609 6610 /* 6611 * If address the same and state FCS_ONLINE 6612 * (or in target mode), nothing changed. 6613 */ 6614 if (fcport->d_id.b24 == new_fcport->d_id.b24 && 6615 (atomic_read(&fcport->state) == FCS_ONLINE || 6616 (vha->host->active_mode == MODE_TARGET))) { 6617 break; 6618 } 6619 6620 if (fcport->login_retry == 0) 6621 fcport->login_retry = 6622 vha->hw->login_retry_count; 6623 /* 6624 * If device was not a fabric device before. 6625 */ 6626 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) { 6627 fcport->d_id.b24 = new_fcport->d_id.b24; 6628 qla2x00_clear_loop_id(fcport); 6629 fcport->flags |= (FCF_FABRIC_DEVICE | 6630 FCF_LOGIN_NEEDED); 6631 break; 6632 } 6633 6634 /* 6635 * Port ID changed or device was marked to be updated; 6636 * Log it out if still logged in and mark it for 6637 * relogin later. 6638 */ 6639 if (qla_tgt_mode_enabled(base_vha)) { 6640 ql_dbg(ql_dbg_tgt_mgt, vha, 0xf080, 6641 "port changed FC ID, %8phC" 6642 " old %x:%x:%x (loop_id 0x%04x)-> new %x:%x:%x\n", 6643 fcport->port_name, 6644 fcport->d_id.b.domain, 6645 fcport->d_id.b.area, 6646 fcport->d_id.b.al_pa, 6647 fcport->loop_id, 6648 new_fcport->d_id.b.domain, 6649 new_fcport->d_id.b.area, 6650 new_fcport->d_id.b.al_pa); 6651 fcport->d_id.b24 = new_fcport->d_id.b24; 6652 break; 6653 } 6654 6655 fcport->d_id.b24 = new_fcport->d_id.b24; 6656 fcport->flags |= FCF_LOGIN_NEEDED; 6657 break; 6658 } 6659 6660 if (found && NVME_TARGET(vha->hw, fcport)) { 6661 if (fcport->disc_state == DSC_DELETE_PEND) { 6662 qla2x00_set_fcport_disc_state(fcport, DSC_GNL); 6663 vha->fcport_count--; 6664 fcport->login_succ = 0; 6665 } 6666 } 6667 6668 if (found) { 6669 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags); 6670 continue; 6671 } 6672 /* If device was not in our fcports list, then add it. */ 6673 new_fcport->scan_state = QLA_FCPORT_FOUND; 6674 list_add_tail(&new_fcport->list, &vha->vp_fcports); 6675 6676 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags); 6677 6678 6679 /* Allocate a new replacement fcport. */ 6680 nxt_d_id.b24 = new_fcport->d_id.b24; 6681 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL); 6682 if (new_fcport == NULL) { 6683 ql_log(ql_log_warn, vha, 0xd032, 6684 "Memory allocation failed for fcport.\n"); 6685 return (QLA_MEMORY_ALLOC_FAILED); 6686 } 6687 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED); 6688 new_fcport->d_id.b24 = nxt_d_id.b24; 6689 } 6690 6691 qla2x00_free_fcport(new_fcport); 6692 6693 /* 6694 * Logout all previous fabric dev marked lost, except FCP2 devices. 6695 */ 6696 list_for_each_entry(fcport, &vha->vp_fcports, list) { 6697 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) 6698 break; 6699 6700 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) 6701 continue; 6702 6703 if (fcport->scan_state == QLA_FCPORT_SCAN) { 6704 if ((qla_dual_mode_enabled(vha) || 6705 qla_ini_mode_enabled(vha)) && 6706 atomic_read(&fcport->state) == FCS_ONLINE) { 6707 qla2x00_mark_device_lost(vha, fcport, 6708 ql2xplogiabsentdevice); 6709 if (fcport->loop_id != FC_NO_LOOP_ID && 6710 (fcport->flags & FCF_FCP2_DEVICE) == 0 && 6711 fcport->port_type != FCT_INITIATOR && 6712 fcport->port_type != FCT_BROADCAST) { 6713 ql_dbg(ql_dbg_disc, vha, 0x20f0, 6714 "%s %d %8phC post del sess\n", 6715 __func__, __LINE__, 6716 fcport->port_name); 6717 qlt_schedule_sess_for_deletion(fcport); 6718 continue; 6719 } 6720 } 6721 } 6722 6723 if (fcport->scan_state == QLA_FCPORT_FOUND && 6724 (fcport->flags & FCF_LOGIN_NEEDED) != 0) 6725 qla24xx_fcport_handle_login(vha, fcport); 6726 } 6727 return (rval); 6728 } 6729 6730 /* FW does not set aside Loop id for MGMT Server/FFFFFAh */ 6731 int 6732 qla2x00_reserve_mgmt_server_loop_id(scsi_qla_host_t *vha) 6733 { 6734 int loop_id = FC_NO_LOOP_ID; 6735 int lid = NPH_MGMT_SERVER - vha->vp_idx; 6736 unsigned long flags; 6737 struct qla_hw_data *ha = vha->hw; 6738 6739 if (vha->vp_idx == 0) { 6740 set_bit(NPH_MGMT_SERVER, ha->loop_id_map); 6741 return NPH_MGMT_SERVER; 6742 } 6743 6744 /* pick id from high and work down to low */ 6745 spin_lock_irqsave(&ha->vport_slock, flags); 6746 for (; lid > 0; lid--) { 6747 if (!test_bit(lid, vha->hw->loop_id_map)) { 6748 set_bit(lid, vha->hw->loop_id_map); 6749 loop_id = lid; 6750 break; 6751 } 6752 } 6753 spin_unlock_irqrestore(&ha->vport_slock, flags); 6754 6755 return loop_id; 6756 } 6757 6758 /* 6759 * qla2x00_fabric_login 6760 * Issue fabric login command. 6761 * 6762 * Input: 6763 * ha = adapter block pointer. 6764 * device = pointer to FC device type structure. 6765 * 6766 * Returns: 6767 * 0 - Login successfully 6768 * 1 - Login failed 6769 * 2 - Initiator device 6770 * 3 - Fatal error 6771 */ 6772 int 6773 qla2x00_fabric_login(scsi_qla_host_t *vha, fc_port_t *fcport, 6774 uint16_t *next_loopid) 6775 { 6776 int rval; 6777 int retry; 6778 uint16_t tmp_loopid; 6779 uint16_t mb[MAILBOX_REGISTER_COUNT]; 6780 struct qla_hw_data *ha = vha->hw; 6781 6782 retry = 0; 6783 tmp_loopid = 0; 6784 6785 for (;;) { 6786 ql_dbg(ql_dbg_disc, vha, 0x2000, 6787 "Trying Fabric Login w/loop id 0x%04x for port " 6788 "%02x%02x%02x.\n", 6789 fcport->loop_id, fcport->d_id.b.domain, 6790 fcport->d_id.b.area, fcport->d_id.b.al_pa); 6791 6792 /* Login fcport on switch. */ 6793 rval = ha->isp_ops->fabric_login(vha, fcport->loop_id, 6794 fcport->d_id.b.domain, fcport->d_id.b.area, 6795 fcport->d_id.b.al_pa, mb, BIT_0); 6796 if (rval != QLA_SUCCESS) { 6797 return rval; 6798 } 6799 if (mb[0] == MBS_PORT_ID_USED) { 6800 /* 6801 * Device has another loop ID. The firmware team 6802 * recommends the driver perform an implicit login with 6803 * the specified ID again. The ID we just used is save 6804 * here so we return with an ID that can be tried by 6805 * the next login. 6806 */ 6807 retry++; 6808 tmp_loopid = fcport->loop_id; 6809 fcport->loop_id = mb[1]; 6810 6811 ql_dbg(ql_dbg_disc, vha, 0x2001, 6812 "Fabric Login: port in use - next loop " 6813 "id=0x%04x, port id= %02x%02x%02x.\n", 6814 fcport->loop_id, fcport->d_id.b.domain, 6815 fcport->d_id.b.area, fcport->d_id.b.al_pa); 6816 6817 } else if (mb[0] == MBS_COMMAND_COMPLETE) { 6818 /* 6819 * Login succeeded. 6820 */ 6821 if (retry) { 6822 /* A retry occurred before. */ 6823 *next_loopid = tmp_loopid; 6824 } else { 6825 /* 6826 * No retry occurred before. Just increment the 6827 * ID value for next login. 6828 */ 6829 *next_loopid = (fcport->loop_id + 1); 6830 } 6831 6832 if (mb[1] & BIT_0) { 6833 fcport->port_type = FCT_INITIATOR; 6834 } else { 6835 fcport->port_type = FCT_TARGET; 6836 if (mb[1] & BIT_1) { 6837 fcport->flags |= FCF_FCP2_DEVICE; 6838 } 6839 } 6840 6841 if (mb[10] & BIT_0) 6842 fcport->supported_classes |= FC_COS_CLASS2; 6843 if (mb[10] & BIT_1) 6844 fcport->supported_classes |= FC_COS_CLASS3; 6845 6846 if (IS_FWI2_CAPABLE(ha)) { 6847 if (mb[10] & BIT_7) 6848 fcport->flags |= 6849 FCF_CONF_COMP_SUPPORTED; 6850 } 6851 6852 rval = QLA_SUCCESS; 6853 break; 6854 } else if (mb[0] == MBS_LOOP_ID_USED) { 6855 /* 6856 * Loop ID already used, try next loop ID. 6857 */ 6858 fcport->loop_id++; 6859 rval = qla2x00_find_new_loop_id(vha, fcport); 6860 if (rval != QLA_SUCCESS) { 6861 /* Ran out of loop IDs to use */ 6862 break; 6863 } 6864 } else if (mb[0] == MBS_COMMAND_ERROR) { 6865 /* 6866 * Firmware possibly timed out during login. If NO 6867 * retries are left to do then the device is declared 6868 * dead. 6869 */ 6870 *next_loopid = fcport->loop_id; 6871 ha->isp_ops->fabric_logout(vha, fcport->loop_id, 6872 fcport->d_id.b.domain, fcport->d_id.b.area, 6873 fcport->d_id.b.al_pa); 6874 qla2x00_mark_device_lost(vha, fcport, 1); 6875 6876 rval = 1; 6877 break; 6878 } else { 6879 /* 6880 * unrecoverable / not handled error 6881 */ 6882 ql_dbg(ql_dbg_disc, vha, 0x2002, 6883 "Failed=%x port_id=%02x%02x%02x loop_id=%x " 6884 "jiffies=%lx.\n", mb[0], fcport->d_id.b.domain, 6885 fcport->d_id.b.area, fcport->d_id.b.al_pa, 6886 fcport->loop_id, jiffies); 6887 6888 *next_loopid = fcport->loop_id; 6889 ha->isp_ops->fabric_logout(vha, fcport->loop_id, 6890 fcport->d_id.b.domain, fcport->d_id.b.area, 6891 fcport->d_id.b.al_pa); 6892 qla2x00_clear_loop_id(fcport); 6893 fcport->login_retry = 0; 6894 6895 rval = 3; 6896 break; 6897 } 6898 } 6899 6900 return (rval); 6901 } 6902 6903 /* 6904 * qla2x00_local_device_login 6905 * Issue local device login command. 6906 * 6907 * Input: 6908 * ha = adapter block pointer. 6909 * loop_id = loop id of device to login to. 6910 * 6911 * Returns (Where's the #define!!!!): 6912 * 0 - Login successfully 6913 * 1 - Login failed 6914 * 3 - Fatal error 6915 */ 6916 int 6917 qla2x00_local_device_login(scsi_qla_host_t *vha, fc_port_t *fcport) 6918 { 6919 int rval; 6920 uint16_t mb[MAILBOX_REGISTER_COUNT]; 6921 6922 memset(mb, 0, sizeof(mb)); 6923 rval = qla2x00_login_local_device(vha, fcport, mb, BIT_0); 6924 if (rval == QLA_SUCCESS) { 6925 /* Interrogate mailbox registers for any errors */ 6926 if (mb[0] == MBS_COMMAND_ERROR) 6927 rval = 1; 6928 else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR) 6929 /* device not in PCB table */ 6930 rval = 3; 6931 } 6932 6933 return (rval); 6934 } 6935 6936 /* 6937 * qla2x00_loop_resync 6938 * Resync with fibre channel devices. 6939 * 6940 * Input: 6941 * ha = adapter block pointer. 6942 * 6943 * Returns: 6944 * 0 = success 6945 */ 6946 int 6947 qla2x00_loop_resync(scsi_qla_host_t *vha) 6948 { 6949 int rval = QLA_SUCCESS; 6950 uint32_t wait_time; 6951 6952 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags); 6953 if (vha->flags.online) { 6954 if (!(rval = qla2x00_fw_ready(vha))) { 6955 /* Wait at most MAX_TARGET RSCNs for a stable link. */ 6956 wait_time = 256; 6957 do { 6958 if (!IS_QLAFX00(vha->hw)) { 6959 /* 6960 * Issue a marker after FW becomes 6961 * ready. 6962 */ 6963 qla2x00_marker(vha, vha->hw->base_qpair, 6964 0, 0, MK_SYNC_ALL); 6965 vha->marker_needed = 0; 6966 } 6967 6968 /* Remap devices on Loop. */ 6969 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); 6970 6971 if (IS_QLAFX00(vha->hw)) 6972 qlafx00_configure_devices(vha); 6973 else 6974 qla2x00_configure_loop(vha); 6975 6976 wait_time--; 6977 } while (!atomic_read(&vha->loop_down_timer) && 6978 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags)) 6979 && wait_time && (test_bit(LOOP_RESYNC_NEEDED, 6980 &vha->dpc_flags))); 6981 } 6982 } 6983 6984 if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags)) 6985 return (QLA_FUNCTION_FAILED); 6986 6987 if (rval) 6988 ql_dbg(ql_dbg_disc, vha, 0x206c, 6989 "%s *** FAILED ***.\n", __func__); 6990 6991 return (rval); 6992 } 6993 6994 /* 6995 * qla2x00_perform_loop_resync 6996 * Description: This function will set the appropriate flags and call 6997 * qla2x00_loop_resync. If successful loop will be resynced 6998 * Arguments : scsi_qla_host_t pointer 6999 * returm : Success or Failure 7000 */ 7001 7002 int qla2x00_perform_loop_resync(scsi_qla_host_t *ha) 7003 { 7004 int32_t rval = 0; 7005 7006 if (!test_and_set_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags)) { 7007 /*Configure the flags so that resync happens properly*/ 7008 atomic_set(&ha->loop_down_timer, 0); 7009 if (!(ha->device_flags & DFLG_NO_CABLE)) { 7010 atomic_set(&ha->loop_state, LOOP_UP); 7011 set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags); 7012 set_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags); 7013 set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags); 7014 7015 rval = qla2x00_loop_resync(ha); 7016 } else 7017 atomic_set(&ha->loop_state, LOOP_DEAD); 7018 7019 clear_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags); 7020 } 7021 7022 return rval; 7023 } 7024 7025 /* Assumes idc_lock always held on entry */ 7026 void 7027 qla83xx_reset_ownership(scsi_qla_host_t *vha) 7028 { 7029 struct qla_hw_data *ha = vha->hw; 7030 uint32_t drv_presence, drv_presence_mask; 7031 uint32_t dev_part_info1, dev_part_info2, class_type; 7032 uint32_t class_type_mask = 0x3; 7033 uint16_t fcoe_other_function = 0xffff, i; 7034 7035 if (IS_QLA8044(ha)) { 7036 drv_presence = qla8044_rd_direct(vha, 7037 QLA8044_CRB_DRV_ACTIVE_INDEX); 7038 dev_part_info1 = qla8044_rd_direct(vha, 7039 QLA8044_CRB_DEV_PART_INFO_INDEX); 7040 dev_part_info2 = qla8044_rd_direct(vha, 7041 QLA8044_CRB_DEV_PART_INFO2); 7042 } else { 7043 qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence); 7044 qla83xx_rd_reg(vha, QLA83XX_DEV_PARTINFO1, &dev_part_info1); 7045 qla83xx_rd_reg(vha, QLA83XX_DEV_PARTINFO2, &dev_part_info2); 7046 } 7047 for (i = 0; i < 8; i++) { 7048 class_type = ((dev_part_info1 >> (i * 4)) & class_type_mask); 7049 if ((class_type == QLA83XX_CLASS_TYPE_FCOE) && 7050 (i != ha->portnum)) { 7051 fcoe_other_function = i; 7052 break; 7053 } 7054 } 7055 if (fcoe_other_function == 0xffff) { 7056 for (i = 0; i < 8; i++) { 7057 class_type = ((dev_part_info2 >> (i * 4)) & 7058 class_type_mask); 7059 if ((class_type == QLA83XX_CLASS_TYPE_FCOE) && 7060 ((i + 8) != ha->portnum)) { 7061 fcoe_other_function = i + 8; 7062 break; 7063 } 7064 } 7065 } 7066 /* 7067 * Prepare drv-presence mask based on fcoe functions present. 7068 * However consider only valid physical fcoe function numbers (0-15). 7069 */ 7070 drv_presence_mask = ~((1 << (ha->portnum)) | 7071 ((fcoe_other_function == 0xffff) ? 7072 0 : (1 << (fcoe_other_function)))); 7073 7074 /* We are the reset owner iff: 7075 * - No other protocol drivers present. 7076 * - This is the lowest among fcoe functions. */ 7077 if (!(drv_presence & drv_presence_mask) && 7078 (ha->portnum < fcoe_other_function)) { 7079 ql_dbg(ql_dbg_p3p, vha, 0xb07f, 7080 "This host is Reset owner.\n"); 7081 ha->flags.nic_core_reset_owner = 1; 7082 } 7083 } 7084 7085 static int 7086 __qla83xx_set_drv_ack(scsi_qla_host_t *vha) 7087 { 7088 int rval = QLA_SUCCESS; 7089 struct qla_hw_data *ha = vha->hw; 7090 uint32_t drv_ack; 7091 7092 rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRIVER_ACK, &drv_ack); 7093 if (rval == QLA_SUCCESS) { 7094 drv_ack |= (1 << ha->portnum); 7095 rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRIVER_ACK, drv_ack); 7096 } 7097 7098 return rval; 7099 } 7100 7101 static int 7102 __qla83xx_clear_drv_ack(scsi_qla_host_t *vha) 7103 { 7104 int rval = QLA_SUCCESS; 7105 struct qla_hw_data *ha = vha->hw; 7106 uint32_t drv_ack; 7107 7108 rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRIVER_ACK, &drv_ack); 7109 if (rval == QLA_SUCCESS) { 7110 drv_ack &= ~(1 << ha->portnum); 7111 rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRIVER_ACK, drv_ack); 7112 } 7113 7114 return rval; 7115 } 7116 7117 /* Assumes idc-lock always held on entry */ 7118 void 7119 qla83xx_idc_audit(scsi_qla_host_t *vha, int audit_type) 7120 { 7121 struct qla_hw_data *ha = vha->hw; 7122 uint32_t idc_audit_reg = 0, duration_secs = 0; 7123 7124 switch (audit_type) { 7125 case IDC_AUDIT_TIMESTAMP: 7126 ha->idc_audit_ts = (jiffies_to_msecs(jiffies) / 1000); 7127 idc_audit_reg = (ha->portnum) | 7128 (IDC_AUDIT_TIMESTAMP << 7) | (ha->idc_audit_ts << 8); 7129 qla83xx_wr_reg(vha, QLA83XX_IDC_AUDIT, idc_audit_reg); 7130 break; 7131 7132 case IDC_AUDIT_COMPLETION: 7133 duration_secs = ((jiffies_to_msecs(jiffies) - 7134 jiffies_to_msecs(ha->idc_audit_ts)) / 1000); 7135 idc_audit_reg = (ha->portnum) | 7136 (IDC_AUDIT_COMPLETION << 7) | (duration_secs << 8); 7137 qla83xx_wr_reg(vha, QLA83XX_IDC_AUDIT, idc_audit_reg); 7138 break; 7139 7140 default: 7141 ql_log(ql_log_warn, vha, 0xb078, 7142 "Invalid audit type specified.\n"); 7143 break; 7144 } 7145 } 7146 7147 /* Assumes idc_lock always held on entry */ 7148 static int 7149 qla83xx_initiating_reset(scsi_qla_host_t *vha) 7150 { 7151 struct qla_hw_data *ha = vha->hw; 7152 uint32_t idc_control, dev_state; 7153 7154 __qla83xx_get_idc_control(vha, &idc_control); 7155 if ((idc_control & QLA83XX_IDC_RESET_DISABLED)) { 7156 ql_log(ql_log_info, vha, 0xb080, 7157 "NIC Core reset has been disabled. idc-control=0x%x\n", 7158 idc_control); 7159 return QLA_FUNCTION_FAILED; 7160 } 7161 7162 /* Set NEED-RESET iff in READY state and we are the reset-owner */ 7163 qla83xx_rd_reg(vha, QLA83XX_IDC_DEV_STATE, &dev_state); 7164 if (ha->flags.nic_core_reset_owner && dev_state == QLA8XXX_DEV_READY) { 7165 qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, 7166 QLA8XXX_DEV_NEED_RESET); 7167 ql_log(ql_log_info, vha, 0xb056, "HW State: NEED RESET.\n"); 7168 qla83xx_idc_audit(vha, IDC_AUDIT_TIMESTAMP); 7169 } else { 7170 ql_log(ql_log_info, vha, 0xb057, "HW State: %s.\n", 7171 qdev_state(dev_state)); 7172 7173 /* SV: XXX: Is timeout required here? */ 7174 /* Wait for IDC state change READY -> NEED_RESET */ 7175 while (dev_state == QLA8XXX_DEV_READY) { 7176 qla83xx_idc_unlock(vha, 0); 7177 msleep(200); 7178 qla83xx_idc_lock(vha, 0); 7179 qla83xx_rd_reg(vha, QLA83XX_IDC_DEV_STATE, &dev_state); 7180 } 7181 } 7182 7183 /* Send IDC ack by writing to drv-ack register */ 7184 __qla83xx_set_drv_ack(vha); 7185 7186 return QLA_SUCCESS; 7187 } 7188 7189 int 7190 __qla83xx_set_idc_control(scsi_qla_host_t *vha, uint32_t idc_control) 7191 { 7192 return qla83xx_wr_reg(vha, QLA83XX_IDC_CONTROL, idc_control); 7193 } 7194 7195 int 7196 __qla83xx_get_idc_control(scsi_qla_host_t *vha, uint32_t *idc_control) 7197 { 7198 return qla83xx_rd_reg(vha, QLA83XX_IDC_CONTROL, idc_control); 7199 } 7200 7201 static int 7202 qla83xx_check_driver_presence(scsi_qla_host_t *vha) 7203 { 7204 uint32_t drv_presence = 0; 7205 struct qla_hw_data *ha = vha->hw; 7206 7207 qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence); 7208 if (drv_presence & (1 << ha->portnum)) 7209 return QLA_SUCCESS; 7210 else 7211 return QLA_TEST_FAILED; 7212 } 7213 7214 int 7215 qla83xx_nic_core_reset(scsi_qla_host_t *vha) 7216 { 7217 int rval = QLA_SUCCESS; 7218 struct qla_hw_data *ha = vha->hw; 7219 7220 ql_dbg(ql_dbg_p3p, vha, 0xb058, 7221 "Entered %s().\n", __func__); 7222 7223 if (vha->device_flags & DFLG_DEV_FAILED) { 7224 ql_log(ql_log_warn, vha, 0xb059, 7225 "Device in unrecoverable FAILED state.\n"); 7226 return QLA_FUNCTION_FAILED; 7227 } 7228 7229 qla83xx_idc_lock(vha, 0); 7230 7231 if (qla83xx_check_driver_presence(vha) != QLA_SUCCESS) { 7232 ql_log(ql_log_warn, vha, 0xb05a, 7233 "Function=0x%x has been removed from IDC participation.\n", 7234 ha->portnum); 7235 rval = QLA_FUNCTION_FAILED; 7236 goto exit; 7237 } 7238 7239 qla83xx_reset_ownership(vha); 7240 7241 rval = qla83xx_initiating_reset(vha); 7242 7243 /* 7244 * Perform reset if we are the reset-owner, 7245 * else wait till IDC state changes to READY/FAILED. 7246 */ 7247 if (rval == QLA_SUCCESS) { 7248 rval = qla83xx_idc_state_handler(vha); 7249 7250 if (rval == QLA_SUCCESS) 7251 ha->flags.nic_core_hung = 0; 7252 __qla83xx_clear_drv_ack(vha); 7253 } 7254 7255 exit: 7256 qla83xx_idc_unlock(vha, 0); 7257 7258 ql_dbg(ql_dbg_p3p, vha, 0xb05b, "Exiting %s.\n", __func__); 7259 7260 return rval; 7261 } 7262 7263 int 7264 qla2xxx_mctp_dump(scsi_qla_host_t *vha) 7265 { 7266 struct qla_hw_data *ha = vha->hw; 7267 int rval = QLA_FUNCTION_FAILED; 7268 7269 if (!IS_MCTP_CAPABLE(ha)) { 7270 /* This message can be removed from the final version */ 7271 ql_log(ql_log_info, vha, 0x506d, 7272 "This board is not MCTP capable\n"); 7273 return rval; 7274 } 7275 7276 if (!ha->mctp_dump) { 7277 ha->mctp_dump = dma_alloc_coherent(&ha->pdev->dev, 7278 MCTP_DUMP_SIZE, &ha->mctp_dump_dma, GFP_KERNEL); 7279 7280 if (!ha->mctp_dump) { 7281 ql_log(ql_log_warn, vha, 0x506e, 7282 "Failed to allocate memory for mctp dump\n"); 7283 return rval; 7284 } 7285 } 7286 7287 #define MCTP_DUMP_STR_ADDR 0x00000000 7288 rval = qla2x00_dump_mctp_data(vha, ha->mctp_dump_dma, 7289 MCTP_DUMP_STR_ADDR, MCTP_DUMP_SIZE/4); 7290 if (rval != QLA_SUCCESS) { 7291 ql_log(ql_log_warn, vha, 0x506f, 7292 "Failed to capture mctp dump\n"); 7293 } else { 7294 ql_log(ql_log_info, vha, 0x5070, 7295 "Mctp dump capture for host (%ld/%p).\n", 7296 vha->host_no, ha->mctp_dump); 7297 ha->mctp_dumped = 1; 7298 } 7299 7300 if (!ha->flags.nic_core_reset_hdlr_active && !ha->portnum) { 7301 ha->flags.nic_core_reset_hdlr_active = 1; 7302 rval = qla83xx_restart_nic_firmware(vha); 7303 if (rval) 7304 /* NIC Core reset failed. */ 7305 ql_log(ql_log_warn, vha, 0x5071, 7306 "Failed to restart nic firmware\n"); 7307 else 7308 ql_dbg(ql_dbg_p3p, vha, 0xb084, 7309 "Restarted NIC firmware successfully.\n"); 7310 ha->flags.nic_core_reset_hdlr_active = 0; 7311 } 7312 7313 return rval; 7314 7315 } 7316 7317 /* 7318 * qla2x00_quiesce_io 7319 * Description: This function will block the new I/Os 7320 * Its not aborting any I/Os as context 7321 * is not destroyed during quiescence 7322 * Arguments: scsi_qla_host_t 7323 * return : void 7324 */ 7325 void 7326 qla2x00_quiesce_io(scsi_qla_host_t *vha) 7327 { 7328 struct qla_hw_data *ha = vha->hw; 7329 struct scsi_qla_host *vp, *tvp; 7330 unsigned long flags; 7331 7332 ql_dbg(ql_dbg_dpc, vha, 0x401d, 7333 "Quiescing I/O - ha=%p.\n", ha); 7334 7335 atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME); 7336 if (atomic_read(&vha->loop_state) != LOOP_DOWN) { 7337 atomic_set(&vha->loop_state, LOOP_DOWN); 7338 qla2x00_mark_all_devices_lost(vha); 7339 7340 spin_lock_irqsave(&ha->vport_slock, flags); 7341 list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) { 7342 atomic_inc(&vp->vref_count); 7343 spin_unlock_irqrestore(&ha->vport_slock, flags); 7344 7345 qla2x00_mark_all_devices_lost(vp); 7346 7347 spin_lock_irqsave(&ha->vport_slock, flags); 7348 atomic_dec(&vp->vref_count); 7349 } 7350 spin_unlock_irqrestore(&ha->vport_slock, flags); 7351 } else { 7352 if (!atomic_read(&vha->loop_down_timer)) 7353 atomic_set(&vha->loop_down_timer, 7354 LOOP_DOWN_TIME); 7355 } 7356 /* Wait for pending cmds to complete */ 7357 WARN_ON_ONCE(qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST) 7358 != QLA_SUCCESS); 7359 } 7360 7361 void 7362 qla2x00_abort_isp_cleanup(scsi_qla_host_t *vha) 7363 { 7364 struct qla_hw_data *ha = vha->hw; 7365 struct scsi_qla_host *vp, *tvp; 7366 unsigned long flags; 7367 fc_port_t *fcport; 7368 u16 i; 7369 7370 /* For ISP82XX, driver waits for completion of the commands. 7371 * online flag should be set. 7372 */ 7373 if (!(IS_P3P_TYPE(ha))) 7374 vha->flags.online = 0; 7375 ha->flags.chip_reset_done = 0; 7376 clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 7377 vha->qla_stats.total_isp_aborts++; 7378 7379 ql_log(ql_log_info, vha, 0x00af, 7380 "Performing ISP error recovery - ha=%p.\n", ha); 7381 7382 ha->flags.purge_mbox = 1; 7383 /* For ISP82XX, reset_chip is just disabling interrupts. 7384 * Driver waits for the completion of the commands. 7385 * the interrupts need to be enabled. 7386 */ 7387 if (!(IS_P3P_TYPE(ha))) 7388 ha->isp_ops->reset_chip(vha); 7389 7390 ha->link_data_rate = PORT_SPEED_UNKNOWN; 7391 SAVE_TOPO(ha); 7392 ha->flags.rida_fmt2 = 0; 7393 ha->flags.n2n_ae = 0; 7394 ha->flags.lip_ae = 0; 7395 ha->current_topology = 0; 7396 QLA_FW_STOPPED(ha); 7397 ha->flags.fw_init_done = 0; 7398 ha->chip_reset++; 7399 ha->base_qpair->chip_reset = ha->chip_reset; 7400 ha->base_qpair->cmd_cnt = ha->base_qpair->cmd_completion_cnt = 0; 7401 ha->base_qpair->prev_completion_cnt = 0; 7402 for (i = 0; i < ha->max_qpairs; i++) { 7403 if (ha->queue_pair_map[i]) { 7404 ha->queue_pair_map[i]->chip_reset = 7405 ha->base_qpair->chip_reset; 7406 ha->queue_pair_map[i]->cmd_cnt = 7407 ha->queue_pair_map[i]->cmd_completion_cnt = 0; 7408 ha->base_qpair->prev_completion_cnt = 0; 7409 } 7410 } 7411 7412 /* purge MBox commands */ 7413 spin_lock_irqsave(&ha->hardware_lock, flags); 7414 if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags)) { 7415 clear_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags); 7416 complete(&ha->mbx_intr_comp); 7417 } 7418 spin_unlock_irqrestore(&ha->hardware_lock, flags); 7419 7420 i = 0; 7421 while (atomic_read(&ha->num_pend_mbx_stage2) || 7422 atomic_read(&ha->num_pend_mbx_stage1)) { 7423 msleep(20); 7424 i++; 7425 if (i > 50) 7426 break; 7427 } 7428 ha->flags.purge_mbox = 0; 7429 7430 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); 7431 if (atomic_read(&vha->loop_state) != LOOP_DOWN) { 7432 atomic_set(&vha->loop_state, LOOP_DOWN); 7433 qla2x00_mark_all_devices_lost(vha); 7434 7435 spin_lock_irqsave(&ha->vport_slock, flags); 7436 list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) { 7437 atomic_inc(&vp->vref_count); 7438 spin_unlock_irqrestore(&ha->vport_slock, flags); 7439 7440 qla2x00_mark_all_devices_lost(vp); 7441 7442 spin_lock_irqsave(&ha->vport_slock, flags); 7443 atomic_dec(&vp->vref_count); 7444 } 7445 spin_unlock_irqrestore(&ha->vport_slock, flags); 7446 } else { 7447 if (!atomic_read(&vha->loop_down_timer)) 7448 atomic_set(&vha->loop_down_timer, 7449 LOOP_DOWN_TIME); 7450 } 7451 7452 /* Clear all async request states across all VPs. */ 7453 list_for_each_entry(fcport, &vha->vp_fcports, list) { 7454 fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT); 7455 fcport->scan_state = 0; 7456 } 7457 spin_lock_irqsave(&ha->vport_slock, flags); 7458 list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) { 7459 atomic_inc(&vp->vref_count); 7460 spin_unlock_irqrestore(&ha->vport_slock, flags); 7461 7462 list_for_each_entry(fcport, &vp->vp_fcports, list) 7463 fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT); 7464 7465 spin_lock_irqsave(&ha->vport_slock, flags); 7466 atomic_dec(&vp->vref_count); 7467 } 7468 spin_unlock_irqrestore(&ha->vport_slock, flags); 7469 7470 /* Make sure for ISP 82XX IO DMA is complete */ 7471 if (IS_P3P_TYPE(ha)) { 7472 qla82xx_chip_reset_cleanup(vha); 7473 ql_log(ql_log_info, vha, 0x00b4, 7474 "Done chip reset cleanup.\n"); 7475 7476 /* Done waiting for pending commands. Reset online flag */ 7477 vha->flags.online = 0; 7478 } 7479 7480 /* Requeue all commands in outstanding command list. */ 7481 qla2x00_abort_all_cmds(vha, DID_RESET << 16); 7482 /* memory barrier */ 7483 wmb(); 7484 } 7485 7486 /* 7487 * qla2x00_abort_isp 7488 * Resets ISP and aborts all outstanding commands. 7489 * 7490 * Input: 7491 * ha = adapter block pointer. 7492 * 7493 * Returns: 7494 * 0 = success 7495 */ 7496 int 7497 qla2x00_abort_isp(scsi_qla_host_t *vha) 7498 { 7499 uint8_t status = 0; 7500 struct qla_hw_data *ha = vha->hw; 7501 struct scsi_qla_host *vp, *tvp; 7502 struct req_que *req = ha->req_q_map[0]; 7503 unsigned long flags; 7504 fc_port_t *fcport; 7505 7506 if (vha->flags.online) { 7507 qla2x00_abort_isp_cleanup(vha); 7508 7509 vha->dport_status |= DPORT_DIAG_CHIP_RESET_IN_PROGRESS; 7510 vha->dport_status &= ~DPORT_DIAG_IN_PROGRESS; 7511 7512 if (vha->hw->flags.port_isolated) 7513 return status; 7514 7515 if (qla2x00_isp_reg_stat(ha)) { 7516 ql_log(ql_log_info, vha, 0x803f, 7517 "ISP Abort - ISP reg disconnect, exiting.\n"); 7518 return status; 7519 } 7520 7521 if (test_and_clear_bit(ISP_ABORT_TO_ROM, &vha->dpc_flags)) { 7522 ha->flags.chip_reset_done = 1; 7523 vha->flags.online = 1; 7524 status = 0; 7525 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags); 7526 return status; 7527 } 7528 7529 if (IS_QLA8031(ha)) { 7530 ql_dbg(ql_dbg_p3p, vha, 0xb05c, 7531 "Clearing fcoe driver presence.\n"); 7532 if (qla83xx_clear_drv_presence(vha) != QLA_SUCCESS) 7533 ql_dbg(ql_dbg_p3p, vha, 0xb073, 7534 "Error while clearing DRV-Presence.\n"); 7535 } 7536 7537 if (unlikely(pci_channel_offline(ha->pdev) && 7538 ha->flags.pci_channel_io_perm_failure)) { 7539 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags); 7540 status = 0; 7541 return status; 7542 } 7543 7544 switch (vha->qlini_mode) { 7545 case QLA2XXX_INI_MODE_DISABLED: 7546 if (!qla_tgt_mode_enabled(vha)) 7547 return 0; 7548 break; 7549 case QLA2XXX_INI_MODE_DUAL: 7550 if (!qla_dual_mode_enabled(vha) && 7551 !qla_ini_mode_enabled(vha)) 7552 return 0; 7553 break; 7554 case QLA2XXX_INI_MODE_ENABLED: 7555 default: 7556 break; 7557 } 7558 7559 ha->isp_ops->get_flash_version(vha, req->ring); 7560 7561 if (qla2x00_isp_reg_stat(ha)) { 7562 ql_log(ql_log_info, vha, 0x803f, 7563 "ISP Abort - ISP reg disconnect pre nvram config, exiting.\n"); 7564 return status; 7565 } 7566 ha->isp_ops->nvram_config(vha); 7567 7568 if (qla2x00_isp_reg_stat(ha)) { 7569 ql_log(ql_log_info, vha, 0x803f, 7570 "ISP Abort - ISP reg disconnect post nvmram config, exiting.\n"); 7571 return status; 7572 } 7573 7574 /* User may have updated [fcp|nvme] prefer in flash */ 7575 list_for_each_entry(fcport, &vha->vp_fcports, list) { 7576 if (NVME_PRIORITY(ha, fcport)) 7577 fcport->do_prli_nvme = 1; 7578 else 7579 fcport->do_prli_nvme = 0; 7580 } 7581 7582 if (!qla2x00_restart_isp(vha)) { 7583 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags); 7584 7585 if (!atomic_read(&vha->loop_down_timer)) { 7586 /* 7587 * Issue marker command only when we are going 7588 * to start the I/O . 7589 */ 7590 vha->marker_needed = 1; 7591 } 7592 7593 vha->flags.online = 1; 7594 7595 ha->isp_ops->enable_intrs(ha); 7596 7597 ha->isp_abort_cnt = 0; 7598 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags); 7599 7600 if (IS_QLA81XX(ha) || IS_QLA8031(ha)) 7601 qla2x00_get_fw_version(vha); 7602 7603 } else { /* failed the ISP abort */ 7604 vha->flags.online = 1; 7605 if (test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) { 7606 if (ha->isp_abort_cnt == 0) { 7607 ql_log(ql_log_fatal, vha, 0x8035, 7608 "ISP error recover failed - " 7609 "board disabled.\n"); 7610 /* 7611 * The next call disables the board 7612 * completely. 7613 */ 7614 qla2x00_abort_isp_cleanup(vha); 7615 vha->flags.online = 0; 7616 clear_bit(ISP_ABORT_RETRY, 7617 &vha->dpc_flags); 7618 status = 0; 7619 } else { /* schedule another ISP abort */ 7620 ha->isp_abort_cnt--; 7621 ql_dbg(ql_dbg_taskm, vha, 0x8020, 7622 "ISP abort - retry remaining %d.\n", 7623 ha->isp_abort_cnt); 7624 status = 1; 7625 } 7626 } else { 7627 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT; 7628 ql_dbg(ql_dbg_taskm, vha, 0x8021, 7629 "ISP error recovery - retrying (%d) " 7630 "more times.\n", ha->isp_abort_cnt); 7631 set_bit(ISP_ABORT_RETRY, &vha->dpc_flags); 7632 status = 1; 7633 } 7634 } 7635 7636 } 7637 7638 if (vha->hw->flags.port_isolated) { 7639 qla2x00_abort_isp_cleanup(vha); 7640 return status; 7641 } 7642 7643 if (!status) { 7644 ql_dbg(ql_dbg_taskm, vha, 0x8022, "%s succeeded.\n", __func__); 7645 qla2x00_configure_hba(vha); 7646 spin_lock_irqsave(&ha->vport_slock, flags); 7647 list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) { 7648 if (vp->vp_idx) { 7649 atomic_inc(&vp->vref_count); 7650 spin_unlock_irqrestore(&ha->vport_slock, flags); 7651 7652 /* User may have updated [fcp|nvme] prefer in flash */ 7653 list_for_each_entry(fcport, &vp->vp_fcports, list) { 7654 if (NVME_PRIORITY(ha, fcport)) 7655 fcport->do_prli_nvme = 1; 7656 else 7657 fcport->do_prli_nvme = 0; 7658 } 7659 7660 qla2x00_vp_abort_isp(vp); 7661 7662 spin_lock_irqsave(&ha->vport_slock, flags); 7663 atomic_dec(&vp->vref_count); 7664 } 7665 } 7666 spin_unlock_irqrestore(&ha->vport_slock, flags); 7667 7668 if (IS_QLA8031(ha)) { 7669 ql_dbg(ql_dbg_p3p, vha, 0xb05d, 7670 "Setting back fcoe driver presence.\n"); 7671 if (qla83xx_set_drv_presence(vha) != QLA_SUCCESS) 7672 ql_dbg(ql_dbg_p3p, vha, 0xb074, 7673 "Error while setting DRV-Presence.\n"); 7674 } 7675 } else { 7676 ql_log(ql_log_warn, vha, 0x8023, "%s **** FAILED ****.\n", 7677 __func__); 7678 } 7679 7680 return(status); 7681 } 7682 7683 /* 7684 * qla2x00_restart_isp 7685 * restarts the ISP after a reset 7686 * 7687 * Input: 7688 * ha = adapter block pointer. 7689 * 7690 * Returns: 7691 * 0 = success 7692 */ 7693 static int 7694 qla2x00_restart_isp(scsi_qla_host_t *vha) 7695 { 7696 int status; 7697 struct qla_hw_data *ha = vha->hw; 7698 7699 /* If firmware needs to be loaded */ 7700 if (qla2x00_isp_firmware(vha)) { 7701 vha->flags.online = 0; 7702 status = ha->isp_ops->chip_diag(vha); 7703 if (status) 7704 return status; 7705 status = qla2x00_setup_chip(vha); 7706 if (status) 7707 return status; 7708 } 7709 7710 status = qla2x00_init_rings(vha); 7711 if (status) 7712 return status; 7713 7714 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags); 7715 ha->flags.chip_reset_done = 1; 7716 7717 /* Initialize the queues in use */ 7718 qla25xx_init_queues(ha); 7719 7720 status = qla2x00_fw_ready(vha); 7721 if (status) { 7722 /* if no cable then assume it's good */ 7723 return vha->device_flags & DFLG_NO_CABLE ? 0 : status; 7724 } 7725 7726 /* Issue a marker after FW becomes ready. */ 7727 qla2x00_marker(vha, ha->base_qpair, 0, 0, MK_SYNC_ALL); 7728 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); 7729 7730 return 0; 7731 } 7732 7733 static int 7734 qla25xx_init_queues(struct qla_hw_data *ha) 7735 { 7736 struct rsp_que *rsp = NULL; 7737 struct req_que *req = NULL; 7738 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev); 7739 int ret = -1; 7740 int i; 7741 7742 for (i = 1; i < ha->max_rsp_queues; i++) { 7743 rsp = ha->rsp_q_map[i]; 7744 if (rsp && test_bit(i, ha->rsp_qid_map)) { 7745 rsp->options &= ~BIT_0; 7746 ret = qla25xx_init_rsp_que(base_vha, rsp); 7747 if (ret != QLA_SUCCESS) 7748 ql_dbg(ql_dbg_init, base_vha, 0x00ff, 7749 "%s Rsp que: %d init failed.\n", 7750 __func__, rsp->id); 7751 else 7752 ql_dbg(ql_dbg_init, base_vha, 0x0100, 7753 "%s Rsp que: %d inited.\n", 7754 __func__, rsp->id); 7755 } 7756 } 7757 for (i = 1; i < ha->max_req_queues; i++) { 7758 req = ha->req_q_map[i]; 7759 if (req && test_bit(i, ha->req_qid_map)) { 7760 /* Clear outstanding commands array. */ 7761 req->options &= ~BIT_0; 7762 ret = qla25xx_init_req_que(base_vha, req); 7763 if (ret != QLA_SUCCESS) 7764 ql_dbg(ql_dbg_init, base_vha, 0x0101, 7765 "%s Req que: %d init failed.\n", 7766 __func__, req->id); 7767 else 7768 ql_dbg(ql_dbg_init, base_vha, 0x0102, 7769 "%s Req que: %d inited.\n", 7770 __func__, req->id); 7771 } 7772 } 7773 return ret; 7774 } 7775 7776 /* 7777 * qla2x00_reset_adapter 7778 * Reset adapter. 7779 * 7780 * Input: 7781 * ha = adapter block pointer. 7782 */ 7783 int 7784 qla2x00_reset_adapter(scsi_qla_host_t *vha) 7785 { 7786 unsigned long flags = 0; 7787 struct qla_hw_data *ha = vha->hw; 7788 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 7789 7790 vha->flags.online = 0; 7791 ha->isp_ops->disable_intrs(ha); 7792 7793 spin_lock_irqsave(&ha->hardware_lock, flags); 7794 wrt_reg_word(®->hccr, HCCR_RESET_RISC); 7795 rd_reg_word(®->hccr); /* PCI Posting. */ 7796 wrt_reg_word(®->hccr, HCCR_RELEASE_RISC); 7797 rd_reg_word(®->hccr); /* PCI Posting. */ 7798 spin_unlock_irqrestore(&ha->hardware_lock, flags); 7799 7800 return QLA_SUCCESS; 7801 } 7802 7803 int 7804 qla24xx_reset_adapter(scsi_qla_host_t *vha) 7805 { 7806 unsigned long flags = 0; 7807 struct qla_hw_data *ha = vha->hw; 7808 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; 7809 7810 if (IS_P3P_TYPE(ha)) 7811 return QLA_SUCCESS; 7812 7813 vha->flags.online = 0; 7814 ha->isp_ops->disable_intrs(ha); 7815 7816 spin_lock_irqsave(&ha->hardware_lock, flags); 7817 wrt_reg_dword(®->hccr, HCCRX_SET_RISC_RESET); 7818 rd_reg_dword(®->hccr); 7819 wrt_reg_dword(®->hccr, HCCRX_REL_RISC_PAUSE); 7820 rd_reg_dword(®->hccr); 7821 spin_unlock_irqrestore(&ha->hardware_lock, flags); 7822 7823 if (IS_NOPOLLING_TYPE(ha)) 7824 ha->isp_ops->enable_intrs(ha); 7825 7826 return QLA_SUCCESS; 7827 } 7828 7829 /* On sparc systems, obtain port and node WWN from firmware 7830 * properties. 7831 */ 7832 static void qla24xx_nvram_wwn_from_ofw(scsi_qla_host_t *vha, 7833 struct nvram_24xx *nv) 7834 { 7835 #ifdef CONFIG_SPARC 7836 struct qla_hw_data *ha = vha->hw; 7837 struct pci_dev *pdev = ha->pdev; 7838 struct device_node *dp = pci_device_to_OF_node(pdev); 7839 const u8 *val; 7840 int len; 7841 7842 val = of_get_property(dp, "port-wwn", &len); 7843 if (val && len >= WWN_SIZE) 7844 memcpy(nv->port_name, val, WWN_SIZE); 7845 7846 val = of_get_property(dp, "node-wwn", &len); 7847 if (val && len >= WWN_SIZE) 7848 memcpy(nv->node_name, val, WWN_SIZE); 7849 #endif 7850 } 7851 7852 int 7853 qla24xx_nvram_config(scsi_qla_host_t *vha) 7854 { 7855 int rval; 7856 struct init_cb_24xx *icb; 7857 struct nvram_24xx *nv; 7858 __le32 *dptr; 7859 uint8_t *dptr1, *dptr2; 7860 uint32_t chksum; 7861 uint16_t cnt; 7862 struct qla_hw_data *ha = vha->hw; 7863 7864 rval = QLA_SUCCESS; 7865 icb = (struct init_cb_24xx *)ha->init_cb; 7866 nv = ha->nvram; 7867 7868 /* Determine NVRAM starting address. */ 7869 if (ha->port_no == 0) { 7870 ha->nvram_base = FA_NVRAM_FUNC0_ADDR; 7871 ha->vpd_base = FA_NVRAM_VPD0_ADDR; 7872 } else { 7873 ha->nvram_base = FA_NVRAM_FUNC1_ADDR; 7874 ha->vpd_base = FA_NVRAM_VPD1_ADDR; 7875 } 7876 7877 ha->nvram_size = sizeof(*nv); 7878 ha->vpd_size = FA_NVRAM_VPD_SIZE; 7879 7880 /* Get VPD data into cache */ 7881 ha->vpd = ha->nvram + VPD_OFFSET; 7882 ha->isp_ops->read_nvram(vha, ha->vpd, 7883 ha->nvram_base - FA_NVRAM_FUNC0_ADDR, FA_NVRAM_VPD_SIZE * 4); 7884 7885 /* Get NVRAM data into cache and calculate checksum. */ 7886 dptr = (__force __le32 *)nv; 7887 ha->isp_ops->read_nvram(vha, dptr, ha->nvram_base, ha->nvram_size); 7888 for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++, dptr++) 7889 chksum += le32_to_cpu(*dptr); 7890 7891 ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x006a, 7892 "Contents of NVRAM\n"); 7893 ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x010d, 7894 nv, ha->nvram_size); 7895 7896 /* Bad NVRAM data, set defaults parameters. */ 7897 if (chksum || memcmp("ISP ", nv->id, sizeof(nv->id)) || 7898 le16_to_cpu(nv->nvram_version) < ICB_VERSION) { 7899 /* Reset NVRAM data. */ 7900 ql_log(ql_log_warn, vha, 0x006b, 7901 "Inconsistent NVRAM checksum=%#x id=%.4s version=%#x.\n", 7902 chksum, nv->id, nv->nvram_version); 7903 ql_dump_buffer(ql_dbg_init, vha, 0x006b, nv, sizeof(*nv)); 7904 ql_log(ql_log_warn, vha, 0x006c, 7905 "Falling back to functioning (yet invalid -- WWPN) " 7906 "defaults.\n"); 7907 7908 /* 7909 * Set default initialization control block. 7910 */ 7911 memset(nv, 0, ha->nvram_size); 7912 nv->nvram_version = cpu_to_le16(ICB_VERSION); 7913 nv->version = cpu_to_le16(ICB_VERSION); 7914 nv->frame_payload_size = cpu_to_le16(2048); 7915 nv->execution_throttle = cpu_to_le16(0xFFFF); 7916 nv->exchange_count = cpu_to_le16(0); 7917 nv->hard_address = cpu_to_le16(124); 7918 nv->port_name[0] = 0x21; 7919 nv->port_name[1] = 0x00 + ha->port_no + 1; 7920 nv->port_name[2] = 0x00; 7921 nv->port_name[3] = 0xe0; 7922 nv->port_name[4] = 0x8b; 7923 nv->port_name[5] = 0x1c; 7924 nv->port_name[6] = 0x55; 7925 nv->port_name[7] = 0x86; 7926 nv->node_name[0] = 0x20; 7927 nv->node_name[1] = 0x00; 7928 nv->node_name[2] = 0x00; 7929 nv->node_name[3] = 0xe0; 7930 nv->node_name[4] = 0x8b; 7931 nv->node_name[5] = 0x1c; 7932 nv->node_name[6] = 0x55; 7933 nv->node_name[7] = 0x86; 7934 qla24xx_nvram_wwn_from_ofw(vha, nv); 7935 nv->login_retry_count = cpu_to_le16(8); 7936 nv->interrupt_delay_timer = cpu_to_le16(0); 7937 nv->login_timeout = cpu_to_le16(0); 7938 nv->firmware_options_1 = 7939 cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1); 7940 nv->firmware_options_2 = cpu_to_le32(2 << 4); 7941 nv->firmware_options_2 |= cpu_to_le32(BIT_12); 7942 nv->firmware_options_3 = cpu_to_le32(2 << 13); 7943 nv->host_p = cpu_to_le32(BIT_11|BIT_10); 7944 nv->efi_parameters = cpu_to_le32(0); 7945 nv->reset_delay = 5; 7946 nv->max_luns_per_target = cpu_to_le16(128); 7947 nv->port_down_retry_count = cpu_to_le16(30); 7948 nv->link_down_timeout = cpu_to_le16(30); 7949 7950 rval = 1; 7951 } 7952 7953 if (qla_tgt_mode_enabled(vha)) { 7954 /* Don't enable full login after initial LIP */ 7955 nv->firmware_options_1 &= cpu_to_le32(~BIT_13); 7956 /* Don't enable LIP full login for initiator */ 7957 nv->host_p &= cpu_to_le32(~BIT_10); 7958 } 7959 7960 qlt_24xx_config_nvram_stage1(vha, nv); 7961 7962 /* Reset Initialization control block */ 7963 memset(icb, 0, ha->init_cb_size); 7964 7965 /* Copy 1st segment. */ 7966 dptr1 = (uint8_t *)icb; 7967 dptr2 = (uint8_t *)&nv->version; 7968 cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version; 7969 while (cnt--) 7970 *dptr1++ = *dptr2++; 7971 7972 icb->login_retry_count = nv->login_retry_count; 7973 icb->link_down_on_nos = nv->link_down_on_nos; 7974 7975 /* Copy 2nd segment. */ 7976 dptr1 = (uint8_t *)&icb->interrupt_delay_timer; 7977 dptr2 = (uint8_t *)&nv->interrupt_delay_timer; 7978 cnt = (uint8_t *)&icb->reserved_3 - 7979 (uint8_t *)&icb->interrupt_delay_timer; 7980 while (cnt--) 7981 *dptr1++ = *dptr2++; 7982 ha->frame_payload_size = le16_to_cpu(icb->frame_payload_size); 7983 /* 7984 * Setup driver NVRAM options. 7985 */ 7986 qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name), 7987 "QLA2462"); 7988 7989 qlt_24xx_config_nvram_stage2(vha, icb); 7990 7991 if (nv->host_p & cpu_to_le32(BIT_15)) { 7992 /* Use alternate WWN? */ 7993 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE); 7994 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE); 7995 } 7996 7997 /* Prepare nodename */ 7998 if ((icb->firmware_options_1 & cpu_to_le32(BIT_14)) == 0) { 7999 /* 8000 * Firmware will apply the following mask if the nodename was 8001 * not provided. 8002 */ 8003 memcpy(icb->node_name, icb->port_name, WWN_SIZE); 8004 icb->node_name[0] &= 0xF0; 8005 } 8006 8007 /* Set host adapter parameters. */ 8008 ha->flags.disable_risc_code_load = 0; 8009 ha->flags.enable_lip_reset = 0; 8010 ha->flags.enable_lip_full_login = 8011 le32_to_cpu(nv->host_p) & BIT_10 ? 1 : 0; 8012 ha->flags.enable_target_reset = 8013 le32_to_cpu(nv->host_p) & BIT_11 ? 1 : 0; 8014 ha->flags.enable_led_scheme = 0; 8015 ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1 : 0; 8016 8017 ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) & 8018 (BIT_6 | BIT_5 | BIT_4)) >> 4; 8019 8020 memcpy(ha->fw_seriallink_options24, nv->seriallink_options, 8021 sizeof(ha->fw_seriallink_options24)); 8022 8023 /* save HBA serial number */ 8024 ha->serial0 = icb->port_name[5]; 8025 ha->serial1 = icb->port_name[6]; 8026 ha->serial2 = icb->port_name[7]; 8027 memcpy(vha->node_name, icb->node_name, WWN_SIZE); 8028 memcpy(vha->port_name, icb->port_name, WWN_SIZE); 8029 8030 icb->execution_throttle = cpu_to_le16(0xFFFF); 8031 8032 ha->retry_count = le16_to_cpu(nv->login_retry_count); 8033 8034 /* Set minimum login_timeout to 4 seconds. */ 8035 if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout) 8036 nv->login_timeout = cpu_to_le16(ql2xlogintimeout); 8037 if (le16_to_cpu(nv->login_timeout) < 4) 8038 nv->login_timeout = cpu_to_le16(4); 8039 ha->login_timeout = le16_to_cpu(nv->login_timeout); 8040 8041 /* Set minimum RATOV to 100 tenths of a second. */ 8042 ha->r_a_tov = 100; 8043 8044 ha->loop_reset_delay = nv->reset_delay; 8045 8046 /* Link Down Timeout = 0: 8047 * 8048 * When Port Down timer expires we will start returning 8049 * I/O's to OS with "DID_NO_CONNECT". 8050 * 8051 * Link Down Timeout != 0: 8052 * 8053 * The driver waits for the link to come up after link down 8054 * before returning I/Os to OS with "DID_NO_CONNECT". 8055 */ 8056 if (le16_to_cpu(nv->link_down_timeout) == 0) { 8057 ha->loop_down_abort_time = 8058 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT); 8059 } else { 8060 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout); 8061 ha->loop_down_abort_time = 8062 (LOOP_DOWN_TIME - ha->link_down_timeout); 8063 } 8064 8065 /* Need enough time to try and get the port back. */ 8066 ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count); 8067 if (qlport_down_retry) 8068 ha->port_down_retry_count = qlport_down_retry; 8069 8070 /* Set login_retry_count */ 8071 ha->login_retry_count = le16_to_cpu(nv->login_retry_count); 8072 if (ha->port_down_retry_count == 8073 le16_to_cpu(nv->port_down_retry_count) && 8074 ha->port_down_retry_count > 3) 8075 ha->login_retry_count = ha->port_down_retry_count; 8076 else if (ha->port_down_retry_count > (int)ha->login_retry_count) 8077 ha->login_retry_count = ha->port_down_retry_count; 8078 if (ql2xloginretrycount) 8079 ha->login_retry_count = ql2xloginretrycount; 8080 8081 /* N2N: driver will initiate Login instead of FW */ 8082 icb->firmware_options_3 |= cpu_to_le32(BIT_8); 8083 8084 /* Enable ZIO. */ 8085 if (!vha->flags.init_done) { 8086 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) & 8087 (BIT_3 | BIT_2 | BIT_1 | BIT_0); 8088 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ? 8089 le16_to_cpu(icb->interrupt_delay_timer) : 2; 8090 } 8091 icb->firmware_options_2 &= cpu_to_le32( 8092 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0)); 8093 if (ha->zio_mode != QLA_ZIO_DISABLED) { 8094 ha->zio_mode = QLA_ZIO_MODE_6; 8095 8096 ql_log(ql_log_info, vha, 0x006f, 8097 "ZIO mode %d enabled; timer delay (%d us).\n", 8098 ha->zio_mode, ha->zio_timer * 100); 8099 8100 icb->firmware_options_2 |= cpu_to_le32( 8101 (uint32_t)ha->zio_mode); 8102 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer); 8103 } 8104 8105 if (rval) { 8106 ql_log(ql_log_warn, vha, 0x0070, 8107 "NVRAM configuration failed.\n"); 8108 } 8109 return (rval); 8110 } 8111 8112 static void 8113 qla27xx_print_image(struct scsi_qla_host *vha, char *name, 8114 struct qla27xx_image_status *image_status) 8115 { 8116 ql_dbg(ql_dbg_init, vha, 0x018b, 8117 "%s %s: mask=%#02x gen=%#04x ver=%u.%u map=%#01x sum=%#08x sig=%#08x\n", 8118 name, "status", 8119 image_status->image_status_mask, 8120 le16_to_cpu(image_status->generation), 8121 image_status->ver_major, 8122 image_status->ver_minor, 8123 image_status->bitmap, 8124 le32_to_cpu(image_status->checksum), 8125 le32_to_cpu(image_status->signature)); 8126 } 8127 8128 static bool 8129 qla28xx_check_aux_image_status_signature( 8130 struct qla27xx_image_status *image_status) 8131 { 8132 ulong signature = le32_to_cpu(image_status->signature); 8133 8134 return signature != QLA28XX_AUX_IMG_STATUS_SIGN; 8135 } 8136 8137 static bool 8138 qla27xx_check_image_status_signature(struct qla27xx_image_status *image_status) 8139 { 8140 ulong signature = le32_to_cpu(image_status->signature); 8141 8142 return 8143 signature != QLA27XX_IMG_STATUS_SIGN && 8144 signature != QLA28XX_IMG_STATUS_SIGN; 8145 } 8146 8147 static ulong 8148 qla27xx_image_status_checksum(struct qla27xx_image_status *image_status) 8149 { 8150 __le32 *p = (__force __le32 *)image_status; 8151 uint n = sizeof(*image_status) / sizeof(*p); 8152 uint32_t sum = 0; 8153 8154 for ( ; n--; p++) 8155 sum += le32_to_cpup(p); 8156 8157 return sum; 8158 } 8159 8160 static inline uint 8161 qla28xx_component_bitmask(struct qla27xx_image_status *aux, uint bitmask) 8162 { 8163 return aux->bitmap & bitmask ? 8164 QLA27XX_SECONDARY_IMAGE : QLA27XX_PRIMARY_IMAGE; 8165 } 8166 8167 static void 8168 qla28xx_component_status( 8169 struct active_regions *active_regions, struct qla27xx_image_status *aux) 8170 { 8171 active_regions->aux.board_config = 8172 qla28xx_component_bitmask(aux, QLA28XX_AUX_IMG_BOARD_CONFIG); 8173 8174 active_regions->aux.vpd_nvram = 8175 qla28xx_component_bitmask(aux, QLA28XX_AUX_IMG_VPD_NVRAM); 8176 8177 active_regions->aux.npiv_config_0_1 = 8178 qla28xx_component_bitmask(aux, QLA28XX_AUX_IMG_NPIV_CONFIG_0_1); 8179 8180 active_regions->aux.npiv_config_2_3 = 8181 qla28xx_component_bitmask(aux, QLA28XX_AUX_IMG_NPIV_CONFIG_2_3); 8182 8183 active_regions->aux.nvme_params = 8184 qla28xx_component_bitmask(aux, QLA28XX_AUX_IMG_NVME_PARAMS); 8185 } 8186 8187 static int 8188 qla27xx_compare_image_generation( 8189 struct qla27xx_image_status *pri_image_status, 8190 struct qla27xx_image_status *sec_image_status) 8191 { 8192 /* calculate generation delta as uint16 (this accounts for wrap) */ 8193 int16_t delta = 8194 le16_to_cpu(pri_image_status->generation) - 8195 le16_to_cpu(sec_image_status->generation); 8196 8197 ql_dbg(ql_dbg_init, NULL, 0x0180, "generation delta = %d\n", delta); 8198 8199 return delta; 8200 } 8201 8202 void 8203 qla28xx_get_aux_images( 8204 struct scsi_qla_host *vha, struct active_regions *active_regions) 8205 { 8206 struct qla_hw_data *ha = vha->hw; 8207 struct qla27xx_image_status pri_aux_image_status, sec_aux_image_status; 8208 bool valid_pri_image = false, valid_sec_image = false; 8209 bool active_pri_image = false, active_sec_image = false; 8210 8211 if (!ha->flt_region_aux_img_status_pri) { 8212 ql_dbg(ql_dbg_init, vha, 0x018a, "Primary aux image not addressed\n"); 8213 goto check_sec_image; 8214 } 8215 8216 qla24xx_read_flash_data(vha, (uint32_t *)&pri_aux_image_status, 8217 ha->flt_region_aux_img_status_pri, 8218 sizeof(pri_aux_image_status) >> 2); 8219 qla27xx_print_image(vha, "Primary aux image", &pri_aux_image_status); 8220 8221 if (qla28xx_check_aux_image_status_signature(&pri_aux_image_status)) { 8222 ql_dbg(ql_dbg_init, vha, 0x018b, 8223 "Primary aux image signature (%#x) not valid\n", 8224 le32_to_cpu(pri_aux_image_status.signature)); 8225 goto check_sec_image; 8226 } 8227 8228 if (qla27xx_image_status_checksum(&pri_aux_image_status)) { 8229 ql_dbg(ql_dbg_init, vha, 0x018c, 8230 "Primary aux image checksum failed\n"); 8231 goto check_sec_image; 8232 } 8233 8234 valid_pri_image = true; 8235 8236 if (pri_aux_image_status.image_status_mask & 1) { 8237 ql_dbg(ql_dbg_init, vha, 0x018d, 8238 "Primary aux image is active\n"); 8239 active_pri_image = true; 8240 } 8241 8242 check_sec_image: 8243 if (!ha->flt_region_aux_img_status_sec) { 8244 ql_dbg(ql_dbg_init, vha, 0x018a, 8245 "Secondary aux image not addressed\n"); 8246 goto check_valid_image; 8247 } 8248 8249 qla24xx_read_flash_data(vha, (uint32_t *)&sec_aux_image_status, 8250 ha->flt_region_aux_img_status_sec, 8251 sizeof(sec_aux_image_status) >> 2); 8252 qla27xx_print_image(vha, "Secondary aux image", &sec_aux_image_status); 8253 8254 if (qla28xx_check_aux_image_status_signature(&sec_aux_image_status)) { 8255 ql_dbg(ql_dbg_init, vha, 0x018b, 8256 "Secondary aux image signature (%#x) not valid\n", 8257 le32_to_cpu(sec_aux_image_status.signature)); 8258 goto check_valid_image; 8259 } 8260 8261 if (qla27xx_image_status_checksum(&sec_aux_image_status)) { 8262 ql_dbg(ql_dbg_init, vha, 0x018c, 8263 "Secondary aux image checksum failed\n"); 8264 goto check_valid_image; 8265 } 8266 8267 valid_sec_image = true; 8268 8269 if (sec_aux_image_status.image_status_mask & 1) { 8270 ql_dbg(ql_dbg_init, vha, 0x018d, 8271 "Secondary aux image is active\n"); 8272 active_sec_image = true; 8273 } 8274 8275 check_valid_image: 8276 if (valid_pri_image && active_pri_image && 8277 valid_sec_image && active_sec_image) { 8278 if (qla27xx_compare_image_generation(&pri_aux_image_status, 8279 &sec_aux_image_status) >= 0) { 8280 qla28xx_component_status(active_regions, 8281 &pri_aux_image_status); 8282 } else { 8283 qla28xx_component_status(active_regions, 8284 &sec_aux_image_status); 8285 } 8286 } else if (valid_pri_image && active_pri_image) { 8287 qla28xx_component_status(active_regions, &pri_aux_image_status); 8288 } else if (valid_sec_image && active_sec_image) { 8289 qla28xx_component_status(active_regions, &sec_aux_image_status); 8290 } 8291 8292 ql_dbg(ql_dbg_init, vha, 0x018f, 8293 "aux images active: BCFG=%u VPD/NVR=%u NPIV0/1=%u NPIV2/3=%u, NVME=%u\n", 8294 active_regions->aux.board_config, 8295 active_regions->aux.vpd_nvram, 8296 active_regions->aux.npiv_config_0_1, 8297 active_regions->aux.npiv_config_2_3, 8298 active_regions->aux.nvme_params); 8299 } 8300 8301 void 8302 qla27xx_get_active_image(struct scsi_qla_host *vha, 8303 struct active_regions *active_regions) 8304 { 8305 struct qla_hw_data *ha = vha->hw; 8306 struct qla27xx_image_status pri_image_status, sec_image_status; 8307 bool valid_pri_image = false, valid_sec_image = false; 8308 bool active_pri_image = false, active_sec_image = false; 8309 8310 if (!ha->flt_region_img_status_pri) { 8311 ql_dbg(ql_dbg_init, vha, 0x018a, "Primary image not addressed\n"); 8312 goto check_sec_image; 8313 } 8314 8315 if (qla24xx_read_flash_data(vha, (uint32_t *)&pri_image_status, 8316 ha->flt_region_img_status_pri, sizeof(pri_image_status) >> 2) != 8317 QLA_SUCCESS) { 8318 WARN_ON_ONCE(true); 8319 goto check_sec_image; 8320 } 8321 qla27xx_print_image(vha, "Primary image", &pri_image_status); 8322 8323 if (qla27xx_check_image_status_signature(&pri_image_status)) { 8324 ql_dbg(ql_dbg_init, vha, 0x018b, 8325 "Primary image signature (%#x) not valid\n", 8326 le32_to_cpu(pri_image_status.signature)); 8327 goto check_sec_image; 8328 } 8329 8330 if (qla27xx_image_status_checksum(&pri_image_status)) { 8331 ql_dbg(ql_dbg_init, vha, 0x018c, 8332 "Primary image checksum failed\n"); 8333 goto check_sec_image; 8334 } 8335 8336 valid_pri_image = true; 8337 8338 if (pri_image_status.image_status_mask & 1) { 8339 ql_dbg(ql_dbg_init, vha, 0x018d, 8340 "Primary image is active\n"); 8341 active_pri_image = true; 8342 } 8343 8344 check_sec_image: 8345 if (!ha->flt_region_img_status_sec) { 8346 ql_dbg(ql_dbg_init, vha, 0x018a, "Secondary image not addressed\n"); 8347 goto check_valid_image; 8348 } 8349 8350 qla24xx_read_flash_data(vha, (uint32_t *)(&sec_image_status), 8351 ha->flt_region_img_status_sec, sizeof(sec_image_status) >> 2); 8352 qla27xx_print_image(vha, "Secondary image", &sec_image_status); 8353 8354 if (qla27xx_check_image_status_signature(&sec_image_status)) { 8355 ql_dbg(ql_dbg_init, vha, 0x018b, 8356 "Secondary image signature (%#x) not valid\n", 8357 le32_to_cpu(sec_image_status.signature)); 8358 goto check_valid_image; 8359 } 8360 8361 if (qla27xx_image_status_checksum(&sec_image_status)) { 8362 ql_dbg(ql_dbg_init, vha, 0x018c, 8363 "Secondary image checksum failed\n"); 8364 goto check_valid_image; 8365 } 8366 8367 valid_sec_image = true; 8368 8369 if (sec_image_status.image_status_mask & 1) { 8370 ql_dbg(ql_dbg_init, vha, 0x018d, 8371 "Secondary image is active\n"); 8372 active_sec_image = true; 8373 } 8374 8375 check_valid_image: 8376 if (valid_pri_image && active_pri_image) 8377 active_regions->global = QLA27XX_PRIMARY_IMAGE; 8378 8379 if (valid_sec_image && active_sec_image) { 8380 if (!active_regions->global || 8381 qla27xx_compare_image_generation( 8382 &pri_image_status, &sec_image_status) < 0) { 8383 active_regions->global = QLA27XX_SECONDARY_IMAGE; 8384 } 8385 } 8386 8387 ql_dbg(ql_dbg_init, vha, 0x018f, "active image %s (%u)\n", 8388 active_regions->global == QLA27XX_DEFAULT_IMAGE ? 8389 "default (boot/fw)" : 8390 active_regions->global == QLA27XX_PRIMARY_IMAGE ? 8391 "primary" : 8392 active_regions->global == QLA27XX_SECONDARY_IMAGE ? 8393 "secondary" : "invalid", 8394 active_regions->global); 8395 } 8396 8397 bool qla24xx_risc_firmware_invalid(uint32_t *dword) 8398 { 8399 return 8400 !(dword[4] | dword[5] | dword[6] | dword[7]) || 8401 !(~dword[4] | ~dword[5] | ~dword[6] | ~dword[7]); 8402 } 8403 8404 static int 8405 qla24xx_load_risc_flash(scsi_qla_host_t *vha, uint32_t *srisc_addr, 8406 uint32_t faddr) 8407 { 8408 int rval; 8409 uint templates, segments, fragment; 8410 ulong i; 8411 uint j; 8412 ulong dlen; 8413 uint32_t *dcode; 8414 uint32_t risc_addr, risc_size, risc_attr = 0; 8415 struct qla_hw_data *ha = vha->hw; 8416 struct req_que *req = ha->req_q_map[0]; 8417 struct fwdt *fwdt = ha->fwdt; 8418 8419 ql_dbg(ql_dbg_init, vha, 0x008b, 8420 "FW: Loading firmware from flash (%x).\n", faddr); 8421 8422 dcode = (uint32_t *)req->ring; 8423 qla24xx_read_flash_data(vha, dcode, faddr, 8); 8424 if (qla24xx_risc_firmware_invalid(dcode)) { 8425 ql_log(ql_log_fatal, vha, 0x008c, 8426 "Unable to verify the integrity of flash firmware " 8427 "image.\n"); 8428 ql_log(ql_log_fatal, vha, 0x008d, 8429 "Firmware data: %08x %08x %08x %08x.\n", 8430 dcode[0], dcode[1], dcode[2], dcode[3]); 8431 8432 return QLA_FUNCTION_FAILED; 8433 } 8434 8435 dcode = (uint32_t *)req->ring; 8436 *srisc_addr = 0; 8437 segments = FA_RISC_CODE_SEGMENTS; 8438 for (j = 0; j < segments; j++) { 8439 ql_dbg(ql_dbg_init, vha, 0x008d, 8440 "-> Loading segment %u...\n", j); 8441 qla24xx_read_flash_data(vha, dcode, faddr, 10); 8442 risc_addr = be32_to_cpu((__force __be32)dcode[2]); 8443 risc_size = be32_to_cpu((__force __be32)dcode[3]); 8444 if (!*srisc_addr) { 8445 *srisc_addr = risc_addr; 8446 risc_attr = be32_to_cpu((__force __be32)dcode[9]); 8447 } 8448 8449 dlen = ha->fw_transfer_size >> 2; 8450 for (fragment = 0; risc_size; fragment++) { 8451 if (dlen > risc_size) 8452 dlen = risc_size; 8453 8454 ql_dbg(ql_dbg_init, vha, 0x008e, 8455 "-> Loading fragment %u: %#x <- %#x (%#lx dwords)...\n", 8456 fragment, risc_addr, faddr, dlen); 8457 qla24xx_read_flash_data(vha, dcode, faddr, dlen); 8458 for (i = 0; i < dlen; i++) 8459 dcode[i] = swab32(dcode[i]); 8460 8461 rval = qla2x00_load_ram(vha, req->dma, risc_addr, dlen); 8462 if (rval) { 8463 ql_log(ql_log_fatal, vha, 0x008f, 8464 "-> Failed load firmware fragment %u.\n", 8465 fragment); 8466 return QLA_FUNCTION_FAILED; 8467 } 8468 8469 faddr += dlen; 8470 risc_addr += dlen; 8471 risc_size -= dlen; 8472 } 8473 } 8474 8475 if (!IS_QLA27XX(ha) && !IS_QLA28XX(ha)) 8476 return QLA_SUCCESS; 8477 8478 templates = (risc_attr & BIT_9) ? 2 : 1; 8479 ql_dbg(ql_dbg_init, vha, 0x0160, "-> templates = %u\n", templates); 8480 for (j = 0; j < templates; j++, fwdt++) { 8481 vfree(fwdt->template); 8482 fwdt->template = NULL; 8483 fwdt->length = 0; 8484 8485 dcode = (uint32_t *)req->ring; 8486 qla24xx_read_flash_data(vha, dcode, faddr, 7); 8487 risc_size = be32_to_cpu((__force __be32)dcode[2]); 8488 ql_dbg(ql_dbg_init, vha, 0x0161, 8489 "-> fwdt%u template array at %#x (%#x dwords)\n", 8490 j, faddr, risc_size); 8491 if (!risc_size || !~risc_size) { 8492 ql_dbg(ql_dbg_init, vha, 0x0162, 8493 "-> fwdt%u failed to read array\n", j); 8494 goto failed; 8495 } 8496 8497 /* skip header and ignore checksum */ 8498 faddr += 7; 8499 risc_size -= 8; 8500 8501 ql_dbg(ql_dbg_init, vha, 0x0163, 8502 "-> fwdt%u template allocate template %#x words...\n", 8503 j, risc_size); 8504 fwdt->template = vmalloc_array(risc_size, sizeof(*dcode)); 8505 if (!fwdt->template) { 8506 ql_log(ql_log_warn, vha, 0x0164, 8507 "-> fwdt%u failed allocate template.\n", j); 8508 goto failed; 8509 } 8510 8511 dcode = fwdt->template; 8512 qla24xx_read_flash_data(vha, dcode, faddr, risc_size); 8513 8514 if (!qla27xx_fwdt_template_valid(dcode)) { 8515 ql_log(ql_log_warn, vha, 0x0165, 8516 "-> fwdt%u failed template validate\n", j); 8517 goto failed; 8518 } 8519 8520 dlen = qla27xx_fwdt_template_size(dcode); 8521 ql_dbg(ql_dbg_init, vha, 0x0166, 8522 "-> fwdt%u template size %#lx bytes (%#lx words)\n", 8523 j, dlen, dlen / sizeof(*dcode)); 8524 if (dlen > risc_size * sizeof(*dcode)) { 8525 ql_log(ql_log_warn, vha, 0x0167, 8526 "-> fwdt%u template exceeds array (%-lu bytes)\n", 8527 j, dlen - risc_size * sizeof(*dcode)); 8528 goto failed; 8529 } 8530 8531 fwdt->length = dlen; 8532 ql_dbg(ql_dbg_init, vha, 0x0168, 8533 "-> fwdt%u loaded template ok\n", j); 8534 8535 faddr += risc_size + 1; 8536 } 8537 8538 return QLA_SUCCESS; 8539 8540 failed: 8541 vfree(fwdt->template); 8542 fwdt->template = NULL; 8543 fwdt->length = 0; 8544 8545 return QLA_SUCCESS; 8546 } 8547 8548 #define QLA_FW_URL "http://ldriver.qlogic.com/firmware/" 8549 8550 int 8551 qla2x00_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr) 8552 { 8553 int rval; 8554 int i, fragment; 8555 uint16_t *wcode; 8556 __be16 *fwcode; 8557 uint32_t risc_addr, risc_size, fwclen, wlen, *seg; 8558 struct fw_blob *blob; 8559 struct qla_hw_data *ha = vha->hw; 8560 struct req_que *req = ha->req_q_map[0]; 8561 8562 /* Load firmware blob. */ 8563 blob = qla2x00_request_firmware(vha); 8564 if (!blob) { 8565 ql_log(ql_log_info, vha, 0x0083, 8566 "Firmware image unavailable.\n"); 8567 ql_log(ql_log_info, vha, 0x0084, 8568 "Firmware images can be retrieved from: "QLA_FW_URL ".\n"); 8569 return QLA_FUNCTION_FAILED; 8570 } 8571 8572 rval = QLA_SUCCESS; 8573 8574 wcode = (uint16_t *)req->ring; 8575 *srisc_addr = 0; 8576 fwcode = (__force __be16 *)blob->fw->data; 8577 fwclen = 0; 8578 8579 /* Validate firmware image by checking version. */ 8580 if (blob->fw->size < 8 * sizeof(uint16_t)) { 8581 ql_log(ql_log_fatal, vha, 0x0085, 8582 "Unable to verify integrity of firmware image (%zd).\n", 8583 blob->fw->size); 8584 goto fail_fw_integrity; 8585 } 8586 for (i = 0; i < 4; i++) 8587 wcode[i] = be16_to_cpu(fwcode[i + 4]); 8588 if ((wcode[0] == 0xffff && wcode[1] == 0xffff && wcode[2] == 0xffff && 8589 wcode[3] == 0xffff) || (wcode[0] == 0 && wcode[1] == 0 && 8590 wcode[2] == 0 && wcode[3] == 0)) { 8591 ql_log(ql_log_fatal, vha, 0x0086, 8592 "Unable to verify integrity of firmware image.\n"); 8593 ql_log(ql_log_fatal, vha, 0x0087, 8594 "Firmware data: %04x %04x %04x %04x.\n", 8595 wcode[0], wcode[1], wcode[2], wcode[3]); 8596 goto fail_fw_integrity; 8597 } 8598 8599 seg = blob->segs; 8600 while (*seg && rval == QLA_SUCCESS) { 8601 risc_addr = *seg; 8602 *srisc_addr = *srisc_addr == 0 ? *seg : *srisc_addr; 8603 risc_size = be16_to_cpu(fwcode[3]); 8604 8605 /* Validate firmware image size. */ 8606 fwclen += risc_size * sizeof(uint16_t); 8607 if (blob->fw->size < fwclen) { 8608 ql_log(ql_log_fatal, vha, 0x0088, 8609 "Unable to verify integrity of firmware image " 8610 "(%zd).\n", blob->fw->size); 8611 goto fail_fw_integrity; 8612 } 8613 8614 fragment = 0; 8615 while (risc_size > 0 && rval == QLA_SUCCESS) { 8616 wlen = (uint16_t)(ha->fw_transfer_size >> 1); 8617 if (wlen > risc_size) 8618 wlen = risc_size; 8619 ql_dbg(ql_dbg_init, vha, 0x0089, 8620 "Loading risc segment@ risc addr %x number of " 8621 "words 0x%x.\n", risc_addr, wlen); 8622 8623 for (i = 0; i < wlen; i++) 8624 wcode[i] = swab16((__force u32)fwcode[i]); 8625 8626 rval = qla2x00_load_ram(vha, req->dma, risc_addr, 8627 wlen); 8628 if (rval) { 8629 ql_log(ql_log_fatal, vha, 0x008a, 8630 "Failed to load segment %d of firmware.\n", 8631 fragment); 8632 break; 8633 } 8634 8635 fwcode += wlen; 8636 risc_addr += wlen; 8637 risc_size -= wlen; 8638 fragment++; 8639 } 8640 8641 /* Next segment. */ 8642 seg++; 8643 } 8644 return rval; 8645 8646 fail_fw_integrity: 8647 return QLA_FUNCTION_FAILED; 8648 } 8649 8650 static int 8651 qla24xx_load_risc_blob(scsi_qla_host_t *vha, uint32_t *srisc_addr) 8652 { 8653 int rval; 8654 uint templates, segments, fragment; 8655 uint32_t *dcode; 8656 ulong dlen; 8657 uint32_t risc_addr, risc_size, risc_attr = 0; 8658 ulong i; 8659 uint j; 8660 struct fw_blob *blob; 8661 __be32 *fwcode; 8662 struct qla_hw_data *ha = vha->hw; 8663 struct req_que *req = ha->req_q_map[0]; 8664 struct fwdt *fwdt = ha->fwdt; 8665 8666 ql_dbg(ql_dbg_init, vha, 0x0090, 8667 "-> FW: Loading via request-firmware.\n"); 8668 8669 blob = qla2x00_request_firmware(vha); 8670 if (!blob) { 8671 ql_log(ql_log_warn, vha, 0x0092, 8672 "-> Firmware file not found.\n"); 8673 8674 return QLA_FUNCTION_FAILED; 8675 } 8676 8677 fwcode = (__force __be32 *)blob->fw->data; 8678 dcode = (__force uint32_t *)fwcode; 8679 if (qla24xx_risc_firmware_invalid(dcode)) { 8680 ql_log(ql_log_fatal, vha, 0x0093, 8681 "Unable to verify integrity of firmware image (%zd).\n", 8682 blob->fw->size); 8683 ql_log(ql_log_fatal, vha, 0x0095, 8684 "Firmware data: %08x %08x %08x %08x.\n", 8685 dcode[0], dcode[1], dcode[2], dcode[3]); 8686 return QLA_FUNCTION_FAILED; 8687 } 8688 8689 dcode = (uint32_t *)req->ring; 8690 *srisc_addr = 0; 8691 segments = FA_RISC_CODE_SEGMENTS; 8692 for (j = 0; j < segments; j++) { 8693 ql_dbg(ql_dbg_init, vha, 0x0096, 8694 "-> Loading segment %u...\n", j); 8695 risc_addr = be32_to_cpu(fwcode[2]); 8696 risc_size = be32_to_cpu(fwcode[3]); 8697 8698 if (!*srisc_addr) { 8699 *srisc_addr = risc_addr; 8700 risc_attr = be32_to_cpu(fwcode[9]); 8701 } 8702 8703 dlen = ha->fw_transfer_size >> 2; 8704 for (fragment = 0; risc_size; fragment++) { 8705 if (dlen > risc_size) 8706 dlen = risc_size; 8707 8708 ql_dbg(ql_dbg_init, vha, 0x0097, 8709 "-> Loading fragment %u: %#x <- %#x (%#lx words)...\n", 8710 fragment, risc_addr, 8711 (uint32_t)(fwcode - (typeof(fwcode))blob->fw->data), 8712 dlen); 8713 8714 for (i = 0; i < dlen; i++) 8715 dcode[i] = swab32((__force u32)fwcode[i]); 8716 8717 rval = qla2x00_load_ram(vha, req->dma, risc_addr, dlen); 8718 if (rval) { 8719 ql_log(ql_log_fatal, vha, 0x0098, 8720 "-> Failed load firmware fragment %u.\n", 8721 fragment); 8722 return QLA_FUNCTION_FAILED; 8723 } 8724 8725 fwcode += dlen; 8726 risc_addr += dlen; 8727 risc_size -= dlen; 8728 } 8729 } 8730 8731 if (!IS_QLA27XX(ha) && !IS_QLA28XX(ha)) 8732 return QLA_SUCCESS; 8733 8734 templates = (risc_attr & BIT_9) ? 2 : 1; 8735 ql_dbg(ql_dbg_init, vha, 0x0170, "-> templates = %u\n", templates); 8736 for (j = 0; j < templates; j++, fwdt++) { 8737 vfree(fwdt->template); 8738 fwdt->template = NULL; 8739 fwdt->length = 0; 8740 8741 risc_size = be32_to_cpu(fwcode[2]); 8742 ql_dbg(ql_dbg_init, vha, 0x0171, 8743 "-> fwdt%u template array at %#x (%#x dwords)\n", 8744 j, (uint32_t)((void *)fwcode - (void *)blob->fw->data), 8745 risc_size); 8746 if (!risc_size || !~risc_size) { 8747 ql_dbg(ql_dbg_init, vha, 0x0172, 8748 "-> fwdt%u failed to read array\n", j); 8749 goto failed; 8750 } 8751 8752 /* skip header and ignore checksum */ 8753 fwcode += 7; 8754 risc_size -= 8; 8755 8756 ql_dbg(ql_dbg_init, vha, 0x0173, 8757 "-> fwdt%u template allocate template %#x words...\n", 8758 j, risc_size); 8759 fwdt->template = vmalloc_array(risc_size, sizeof(*dcode)); 8760 if (!fwdt->template) { 8761 ql_log(ql_log_warn, vha, 0x0174, 8762 "-> fwdt%u failed allocate template.\n", j); 8763 goto failed; 8764 } 8765 8766 dcode = fwdt->template; 8767 for (i = 0; i < risc_size; i++) 8768 dcode[i] = (__force u32)fwcode[i]; 8769 8770 if (!qla27xx_fwdt_template_valid(dcode)) { 8771 ql_log(ql_log_warn, vha, 0x0175, 8772 "-> fwdt%u failed template validate\n", j); 8773 goto failed; 8774 } 8775 8776 dlen = qla27xx_fwdt_template_size(dcode); 8777 ql_dbg(ql_dbg_init, vha, 0x0176, 8778 "-> fwdt%u template size %#lx bytes (%#lx words)\n", 8779 j, dlen, dlen / sizeof(*dcode)); 8780 if (dlen > risc_size * sizeof(*dcode)) { 8781 ql_log(ql_log_warn, vha, 0x0177, 8782 "-> fwdt%u template exceeds array (%-lu bytes)\n", 8783 j, dlen - risc_size * sizeof(*dcode)); 8784 goto failed; 8785 } 8786 8787 fwdt->length = dlen; 8788 ql_dbg(ql_dbg_init, vha, 0x0178, 8789 "-> fwdt%u loaded template ok\n", j); 8790 8791 fwcode += risc_size + 1; 8792 } 8793 8794 return QLA_SUCCESS; 8795 8796 failed: 8797 vfree(fwdt->template); 8798 fwdt->template = NULL; 8799 fwdt->length = 0; 8800 8801 return QLA_SUCCESS; 8802 } 8803 8804 int 8805 qla24xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr) 8806 { 8807 int rval; 8808 8809 if (ql2xfwloadbin == 1) 8810 return qla81xx_load_risc(vha, srisc_addr); 8811 8812 /* 8813 * FW Load priority: 8814 * 1) Firmware via request-firmware interface (.bin file). 8815 * 2) Firmware residing in flash. 8816 */ 8817 rval = qla24xx_load_risc_blob(vha, srisc_addr); 8818 if (rval == QLA_SUCCESS) 8819 return rval; 8820 8821 return qla24xx_load_risc_flash(vha, srisc_addr, 8822 vha->hw->flt_region_fw); 8823 } 8824 8825 int 8826 qla81xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr) 8827 { 8828 int rval; 8829 struct qla_hw_data *ha = vha->hw; 8830 struct active_regions active_regions = { }; 8831 8832 if (ql2xfwloadbin == 2) 8833 goto try_blob_fw; 8834 8835 /* FW Load priority: 8836 * 1) Firmware residing in flash. 8837 * 2) Firmware via request-firmware interface (.bin file). 8838 * 3) Golden-Firmware residing in flash -- (limited operation). 8839 */ 8840 8841 if (!IS_QLA27XX(ha) && !IS_QLA28XX(ha)) 8842 goto try_primary_fw; 8843 8844 qla27xx_get_active_image(vha, &active_regions); 8845 8846 if (active_regions.global != QLA27XX_SECONDARY_IMAGE) 8847 goto try_primary_fw; 8848 8849 ql_dbg(ql_dbg_init, vha, 0x008b, 8850 "Loading secondary firmware image.\n"); 8851 rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_fw_sec); 8852 if (!rval) 8853 return rval; 8854 8855 try_primary_fw: 8856 ql_dbg(ql_dbg_init, vha, 0x008b, 8857 "Loading primary firmware image.\n"); 8858 rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_fw); 8859 if (!rval) 8860 return rval; 8861 8862 try_blob_fw: 8863 rval = qla24xx_load_risc_blob(vha, srisc_addr); 8864 if (!rval || !ha->flt_region_gold_fw) 8865 return rval; 8866 8867 ql_log(ql_log_info, vha, 0x0099, 8868 "Attempting to fallback to golden firmware.\n"); 8869 rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_gold_fw); 8870 if (rval) 8871 return rval; 8872 8873 ql_log(ql_log_info, vha, 0x009a, "Need firmware flash update.\n"); 8874 ha->flags.running_gold_fw = 1; 8875 return rval; 8876 } 8877 8878 void 8879 qla2x00_try_to_stop_firmware(scsi_qla_host_t *vha) 8880 { 8881 int ret, retries; 8882 struct qla_hw_data *ha = vha->hw; 8883 8884 if (ha->flags.pci_channel_io_perm_failure) 8885 return; 8886 if (!IS_FWI2_CAPABLE(ha)) 8887 return; 8888 if (!ha->fw_major_version) 8889 return; 8890 if (!ha->flags.fw_started) 8891 return; 8892 8893 ret = qla2x00_stop_firmware(vha); 8894 for (retries = 5; ret != QLA_SUCCESS && ret != QLA_FUNCTION_TIMEOUT && 8895 ret != QLA_INVALID_COMMAND && retries ; retries--) { 8896 ha->isp_ops->reset_chip(vha); 8897 if (ha->isp_ops->chip_diag(vha) != QLA_SUCCESS) 8898 continue; 8899 if (qla2x00_setup_chip(vha) != QLA_SUCCESS) 8900 continue; 8901 ql_log(ql_log_info, vha, 0x8015, 8902 "Attempting retry of stop-firmware command.\n"); 8903 ret = qla2x00_stop_firmware(vha); 8904 } 8905 8906 QLA_FW_STOPPED(ha); 8907 ha->flags.fw_init_done = 0; 8908 } 8909 8910 int 8911 qla24xx_configure_vhba(scsi_qla_host_t *vha) 8912 { 8913 int rval = QLA_SUCCESS; 8914 int rval2; 8915 uint16_t mb[MAILBOX_REGISTER_COUNT]; 8916 struct qla_hw_data *ha = vha->hw; 8917 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev); 8918 8919 if (!vha->vp_idx) 8920 return -EINVAL; 8921 8922 rval = qla2x00_fw_ready(base_vha); 8923 8924 if (rval == QLA_SUCCESS) { 8925 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags); 8926 qla2x00_marker(vha, ha->base_qpair, 0, 0, MK_SYNC_ALL); 8927 } 8928 8929 vha->flags.management_server_logged_in = 0; 8930 8931 /* Login to SNS first */ 8932 rval2 = ha->isp_ops->fabric_login(vha, NPH_SNS, 0xff, 0xff, 0xfc, mb, 8933 BIT_1); 8934 if (rval2 != QLA_SUCCESS || mb[0] != MBS_COMMAND_COMPLETE) { 8935 if (rval2 == QLA_MEMORY_ALLOC_FAILED) 8936 ql_dbg(ql_dbg_init, vha, 0x0120, 8937 "Failed SNS login: loop_id=%x, rval2=%d\n", 8938 NPH_SNS, rval2); 8939 else 8940 ql_dbg(ql_dbg_init, vha, 0x0103, 8941 "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x " 8942 "mb[2]=%x mb[6]=%x mb[7]=%x.\n", 8943 NPH_SNS, mb[0], mb[1], mb[2], mb[6], mb[7]); 8944 return (QLA_FUNCTION_FAILED); 8945 } 8946 8947 atomic_set(&vha->loop_down_timer, 0); 8948 atomic_set(&vha->loop_state, LOOP_UP); 8949 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); 8950 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); 8951 rval = qla2x00_loop_resync(base_vha); 8952 8953 return rval; 8954 } 8955 8956 /* 84XX Support **************************************************************/ 8957 8958 static LIST_HEAD(qla_cs84xx_list); 8959 static DEFINE_MUTEX(qla_cs84xx_mutex); 8960 8961 static struct qla_chip_state_84xx * 8962 qla84xx_get_chip(struct scsi_qla_host *vha) 8963 { 8964 struct qla_chip_state_84xx *cs84xx; 8965 struct qla_hw_data *ha = vha->hw; 8966 8967 mutex_lock(&qla_cs84xx_mutex); 8968 8969 /* Find any shared 84xx chip. */ 8970 list_for_each_entry(cs84xx, &qla_cs84xx_list, list) { 8971 if (cs84xx->bus == ha->pdev->bus) { 8972 kref_get(&cs84xx->kref); 8973 goto done; 8974 } 8975 } 8976 8977 cs84xx = kzalloc(sizeof(*cs84xx), GFP_KERNEL); 8978 if (!cs84xx) 8979 goto done; 8980 8981 kref_init(&cs84xx->kref); 8982 spin_lock_init(&cs84xx->access_lock); 8983 mutex_init(&cs84xx->fw_update_mutex); 8984 cs84xx->bus = ha->pdev->bus; 8985 8986 list_add_tail(&cs84xx->list, &qla_cs84xx_list); 8987 done: 8988 mutex_unlock(&qla_cs84xx_mutex); 8989 return cs84xx; 8990 } 8991 8992 static void 8993 __qla84xx_chip_release(struct kref *kref) 8994 { 8995 struct qla_chip_state_84xx *cs84xx = 8996 container_of(kref, struct qla_chip_state_84xx, kref); 8997 8998 mutex_lock(&qla_cs84xx_mutex); 8999 list_del(&cs84xx->list); 9000 mutex_unlock(&qla_cs84xx_mutex); 9001 kfree(cs84xx); 9002 } 9003 9004 void 9005 qla84xx_put_chip(struct scsi_qla_host *vha) 9006 { 9007 struct qla_hw_data *ha = vha->hw; 9008 9009 if (ha->cs84xx) 9010 kref_put(&ha->cs84xx->kref, __qla84xx_chip_release); 9011 } 9012 9013 static int 9014 qla84xx_init_chip(scsi_qla_host_t *vha) 9015 { 9016 int rval; 9017 uint16_t status[2]; 9018 struct qla_hw_data *ha = vha->hw; 9019 9020 mutex_lock(&ha->cs84xx->fw_update_mutex); 9021 9022 rval = qla84xx_verify_chip(vha, status); 9023 9024 mutex_unlock(&ha->cs84xx->fw_update_mutex); 9025 9026 return rval != QLA_SUCCESS || status[0] ? QLA_FUNCTION_FAILED : 9027 QLA_SUCCESS; 9028 } 9029 9030 /* 81XX Support **************************************************************/ 9031 9032 int 9033 qla81xx_nvram_config(scsi_qla_host_t *vha) 9034 { 9035 int rval; 9036 struct init_cb_81xx *icb; 9037 struct nvram_81xx *nv; 9038 __le32 *dptr; 9039 uint8_t *dptr1, *dptr2; 9040 uint32_t chksum; 9041 uint16_t cnt; 9042 struct qla_hw_data *ha = vha->hw; 9043 uint32_t faddr; 9044 struct active_regions active_regions = { }; 9045 9046 rval = QLA_SUCCESS; 9047 icb = (struct init_cb_81xx *)ha->init_cb; 9048 nv = ha->nvram; 9049 9050 /* Determine NVRAM starting address. */ 9051 ha->nvram_size = sizeof(*nv); 9052 ha->vpd_size = FA_NVRAM_VPD_SIZE; 9053 if (IS_P3P_TYPE(ha) || IS_QLA8031(ha)) 9054 ha->vpd_size = FA_VPD_SIZE_82XX; 9055 9056 if (IS_QLA28XX(ha) || IS_QLA27XX(ha)) 9057 qla28xx_get_aux_images(vha, &active_regions); 9058 9059 /* Get VPD data into cache */ 9060 ha->vpd = ha->nvram + VPD_OFFSET; 9061 9062 faddr = ha->flt_region_vpd; 9063 if (IS_QLA28XX(ha)) { 9064 if (active_regions.aux.vpd_nvram == QLA27XX_SECONDARY_IMAGE) 9065 faddr = ha->flt_region_vpd_sec; 9066 ql_dbg(ql_dbg_init, vha, 0x0110, 9067 "Loading %s nvram image.\n", 9068 active_regions.aux.vpd_nvram == QLA27XX_PRIMARY_IMAGE ? 9069 "primary" : "secondary"); 9070 } 9071 ha->isp_ops->read_optrom(vha, ha->vpd, faddr << 2, ha->vpd_size); 9072 9073 /* Get NVRAM data into cache and calculate checksum. */ 9074 faddr = ha->flt_region_nvram; 9075 if (IS_QLA28XX(ha)) { 9076 if (active_regions.aux.vpd_nvram == QLA27XX_SECONDARY_IMAGE) 9077 faddr = ha->flt_region_nvram_sec; 9078 } 9079 ql_dbg(ql_dbg_init, vha, 0x0110, 9080 "Loading %s nvram image.\n", 9081 active_regions.aux.vpd_nvram == QLA27XX_PRIMARY_IMAGE ? 9082 "primary" : "secondary"); 9083 ha->isp_ops->read_optrom(vha, ha->nvram, faddr << 2, ha->nvram_size); 9084 9085 dptr = (__force __le32 *)nv; 9086 for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++, dptr++) 9087 chksum += le32_to_cpu(*dptr); 9088 9089 ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x0111, 9090 "Contents of NVRAM:\n"); 9091 ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0112, 9092 nv, ha->nvram_size); 9093 9094 /* Bad NVRAM data, set defaults parameters. */ 9095 if (chksum || memcmp("ISP ", nv->id, sizeof(nv->id)) || 9096 le16_to_cpu(nv->nvram_version) < ICB_VERSION) { 9097 /* Reset NVRAM data. */ 9098 ql_log(ql_log_info, vha, 0x0073, 9099 "Inconsistent NVRAM checksum=%#x id=%.4s version=%#x.\n", 9100 chksum, nv->id, le16_to_cpu(nv->nvram_version)); 9101 ql_dump_buffer(ql_dbg_init, vha, 0x0073, nv, sizeof(*nv)); 9102 ql_log(ql_log_info, vha, 0x0074, 9103 "Falling back to functioning (yet invalid -- WWPN) " 9104 "defaults.\n"); 9105 9106 /* 9107 * Set default initialization control block. 9108 */ 9109 memset(nv, 0, ha->nvram_size); 9110 nv->nvram_version = cpu_to_le16(ICB_VERSION); 9111 nv->version = cpu_to_le16(ICB_VERSION); 9112 nv->frame_payload_size = cpu_to_le16(2048); 9113 nv->execution_throttle = cpu_to_le16(0xFFFF); 9114 nv->exchange_count = cpu_to_le16(0); 9115 nv->port_name[0] = 0x21; 9116 nv->port_name[1] = 0x00 + ha->port_no + 1; 9117 nv->port_name[2] = 0x00; 9118 nv->port_name[3] = 0xe0; 9119 nv->port_name[4] = 0x8b; 9120 nv->port_name[5] = 0x1c; 9121 nv->port_name[6] = 0x55; 9122 nv->port_name[7] = 0x86; 9123 nv->node_name[0] = 0x20; 9124 nv->node_name[1] = 0x00; 9125 nv->node_name[2] = 0x00; 9126 nv->node_name[3] = 0xe0; 9127 nv->node_name[4] = 0x8b; 9128 nv->node_name[5] = 0x1c; 9129 nv->node_name[6] = 0x55; 9130 nv->node_name[7] = 0x86; 9131 nv->login_retry_count = cpu_to_le16(8); 9132 nv->interrupt_delay_timer = cpu_to_le16(0); 9133 nv->login_timeout = cpu_to_le16(0); 9134 nv->firmware_options_1 = 9135 cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1); 9136 nv->firmware_options_2 = cpu_to_le32(2 << 4); 9137 nv->firmware_options_2 |= cpu_to_le32(BIT_12); 9138 nv->firmware_options_3 = cpu_to_le32(2 << 13); 9139 nv->host_p = cpu_to_le32(BIT_11|BIT_10); 9140 nv->efi_parameters = cpu_to_le32(0); 9141 nv->reset_delay = 5; 9142 nv->max_luns_per_target = cpu_to_le16(128); 9143 nv->port_down_retry_count = cpu_to_le16(30); 9144 nv->link_down_timeout = cpu_to_le16(180); 9145 nv->enode_mac[0] = 0x00; 9146 nv->enode_mac[1] = 0xC0; 9147 nv->enode_mac[2] = 0xDD; 9148 nv->enode_mac[3] = 0x04; 9149 nv->enode_mac[4] = 0x05; 9150 nv->enode_mac[5] = 0x06 + ha->port_no + 1; 9151 9152 rval = 1; 9153 } 9154 9155 if (IS_T10_PI_CAPABLE(ha)) 9156 nv->frame_payload_size &= cpu_to_le16(~7); 9157 9158 qlt_81xx_config_nvram_stage1(vha, nv); 9159 9160 /* Reset Initialization control block */ 9161 memset(icb, 0, ha->init_cb_size); 9162 9163 /* Copy 1st segment. */ 9164 dptr1 = (uint8_t *)icb; 9165 dptr2 = (uint8_t *)&nv->version; 9166 cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version; 9167 while (cnt--) 9168 *dptr1++ = *dptr2++; 9169 9170 icb->login_retry_count = nv->login_retry_count; 9171 9172 /* Copy 2nd segment. */ 9173 dptr1 = (uint8_t *)&icb->interrupt_delay_timer; 9174 dptr2 = (uint8_t *)&nv->interrupt_delay_timer; 9175 cnt = (uint8_t *)&icb->reserved_5 - 9176 (uint8_t *)&icb->interrupt_delay_timer; 9177 while (cnt--) 9178 *dptr1++ = *dptr2++; 9179 9180 memcpy(icb->enode_mac, nv->enode_mac, sizeof(icb->enode_mac)); 9181 /* Some boards (with valid NVRAMs) still have NULL enode_mac!! */ 9182 if (!memcmp(icb->enode_mac, "\0\0\0\0\0\0", sizeof(icb->enode_mac))) { 9183 icb->enode_mac[0] = 0x00; 9184 icb->enode_mac[1] = 0xC0; 9185 icb->enode_mac[2] = 0xDD; 9186 icb->enode_mac[3] = 0x04; 9187 icb->enode_mac[4] = 0x05; 9188 icb->enode_mac[5] = 0x06 + ha->port_no + 1; 9189 } 9190 9191 /* Use extended-initialization control block. */ 9192 memcpy(ha->ex_init_cb, &nv->ex_version, sizeof(*ha->ex_init_cb)); 9193 ha->frame_payload_size = le16_to_cpu(icb->frame_payload_size); 9194 /* 9195 * Setup driver NVRAM options. 9196 */ 9197 qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name), 9198 "QLE8XXX"); 9199 9200 qlt_81xx_config_nvram_stage2(vha, icb); 9201 9202 /* Use alternate WWN? */ 9203 if (nv->host_p & cpu_to_le32(BIT_15)) { 9204 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE); 9205 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE); 9206 } 9207 9208 /* Prepare nodename */ 9209 if ((icb->firmware_options_1 & cpu_to_le32(BIT_14)) == 0) { 9210 /* 9211 * Firmware will apply the following mask if the nodename was 9212 * not provided. 9213 */ 9214 memcpy(icb->node_name, icb->port_name, WWN_SIZE); 9215 icb->node_name[0] &= 0xF0; 9216 } 9217 9218 if (IS_QLA28XX(ha) || IS_QLA27XX(ha)) { 9219 if ((nv->enhanced_features & BIT_7) == 0) 9220 ha->flags.scm_supported_a = 1; 9221 } 9222 9223 /* Set host adapter parameters. */ 9224 ha->flags.disable_risc_code_load = 0; 9225 ha->flags.enable_lip_reset = 0; 9226 ha->flags.enable_lip_full_login = 9227 le32_to_cpu(nv->host_p) & BIT_10 ? 1 : 0; 9228 ha->flags.enable_target_reset = 9229 le32_to_cpu(nv->host_p) & BIT_11 ? 1 : 0; 9230 ha->flags.enable_led_scheme = 0; 9231 ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1 : 0; 9232 9233 ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) & 9234 (BIT_6 | BIT_5 | BIT_4)) >> 4; 9235 9236 /* save HBA serial number */ 9237 ha->serial0 = icb->port_name[5]; 9238 ha->serial1 = icb->port_name[6]; 9239 ha->serial2 = icb->port_name[7]; 9240 memcpy(vha->node_name, icb->node_name, WWN_SIZE); 9241 memcpy(vha->port_name, icb->port_name, WWN_SIZE); 9242 9243 icb->execution_throttle = cpu_to_le16(0xFFFF); 9244 9245 ha->retry_count = le16_to_cpu(nv->login_retry_count); 9246 9247 /* Set minimum login_timeout to 4 seconds. */ 9248 if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout) 9249 nv->login_timeout = cpu_to_le16(ql2xlogintimeout); 9250 if (le16_to_cpu(nv->login_timeout) < 4) 9251 nv->login_timeout = cpu_to_le16(4); 9252 ha->login_timeout = le16_to_cpu(nv->login_timeout); 9253 9254 /* Set minimum RATOV to 100 tenths of a second. */ 9255 ha->r_a_tov = 100; 9256 9257 ha->loop_reset_delay = nv->reset_delay; 9258 9259 /* Link Down Timeout = 0: 9260 * 9261 * When Port Down timer expires we will start returning 9262 * I/O's to OS with "DID_NO_CONNECT". 9263 * 9264 * Link Down Timeout != 0: 9265 * 9266 * The driver waits for the link to come up after link down 9267 * before returning I/Os to OS with "DID_NO_CONNECT". 9268 */ 9269 if (le16_to_cpu(nv->link_down_timeout) == 0) { 9270 ha->loop_down_abort_time = 9271 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT); 9272 } else { 9273 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout); 9274 ha->loop_down_abort_time = 9275 (LOOP_DOWN_TIME - ha->link_down_timeout); 9276 } 9277 9278 /* Need enough time to try and get the port back. */ 9279 ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count); 9280 if (qlport_down_retry) 9281 ha->port_down_retry_count = qlport_down_retry; 9282 9283 /* Set login_retry_count */ 9284 ha->login_retry_count = le16_to_cpu(nv->login_retry_count); 9285 if (ha->port_down_retry_count == 9286 le16_to_cpu(nv->port_down_retry_count) && 9287 ha->port_down_retry_count > 3) 9288 ha->login_retry_count = ha->port_down_retry_count; 9289 else if (ha->port_down_retry_count > (int)ha->login_retry_count) 9290 ha->login_retry_count = ha->port_down_retry_count; 9291 if (ql2xloginretrycount) 9292 ha->login_retry_count = ql2xloginretrycount; 9293 9294 /* if not running MSI-X we need handshaking on interrupts */ 9295 if (!vha->hw->flags.msix_enabled && 9296 (IS_QLA83XX(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha))) 9297 icb->firmware_options_2 |= cpu_to_le32(BIT_22); 9298 9299 /* Enable ZIO. */ 9300 if (!vha->flags.init_done) { 9301 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) & 9302 (BIT_3 | BIT_2 | BIT_1 | BIT_0); 9303 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ? 9304 le16_to_cpu(icb->interrupt_delay_timer) : 2; 9305 } 9306 icb->firmware_options_2 &= cpu_to_le32( 9307 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0)); 9308 vha->flags.process_response_queue = 0; 9309 if (ha->zio_mode != QLA_ZIO_DISABLED) { 9310 ha->zio_mode = QLA_ZIO_MODE_6; 9311 9312 ql_log(ql_log_info, vha, 0x0075, 9313 "ZIO mode %d enabled; timer delay (%d us).\n", 9314 ha->zio_mode, 9315 ha->zio_timer * 100); 9316 9317 icb->firmware_options_2 |= cpu_to_le32( 9318 (uint32_t)ha->zio_mode); 9319 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer); 9320 vha->flags.process_response_queue = 1; 9321 } 9322 9323 /* enable RIDA Format2 */ 9324 icb->firmware_options_3 |= cpu_to_le32(BIT_0); 9325 9326 /* N2N: driver will initiate Login instead of FW */ 9327 icb->firmware_options_3 |= cpu_to_le32(BIT_8); 9328 9329 /* Determine NVMe/FCP priority for target ports */ 9330 ha->fc4_type_priority = qla2xxx_get_fc4_priority(vha); 9331 9332 if (rval) { 9333 ql_log(ql_log_warn, vha, 0x0076, 9334 "NVRAM configuration failed.\n"); 9335 } 9336 return (rval); 9337 } 9338 9339 int 9340 qla82xx_restart_isp(scsi_qla_host_t *vha) 9341 { 9342 int status, rval; 9343 struct qla_hw_data *ha = vha->hw; 9344 struct scsi_qla_host *vp, *tvp; 9345 unsigned long flags; 9346 9347 status = qla2x00_init_rings(vha); 9348 if (!status) { 9349 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags); 9350 ha->flags.chip_reset_done = 1; 9351 9352 status = qla2x00_fw_ready(vha); 9353 if (!status) { 9354 /* Issue a marker after FW becomes ready. */ 9355 qla2x00_marker(vha, ha->base_qpair, 0, 0, MK_SYNC_ALL); 9356 vha->flags.online = 1; 9357 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); 9358 } 9359 9360 /* if no cable then assume it's good */ 9361 if ((vha->device_flags & DFLG_NO_CABLE)) 9362 status = 0; 9363 } 9364 9365 if (!status) { 9366 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags); 9367 9368 if (!atomic_read(&vha->loop_down_timer)) { 9369 /* 9370 * Issue marker command only when we are going 9371 * to start the I/O . 9372 */ 9373 vha->marker_needed = 1; 9374 } 9375 9376 ha->isp_ops->enable_intrs(ha); 9377 9378 ha->isp_abort_cnt = 0; 9379 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags); 9380 9381 /* Update the firmware version */ 9382 status = qla82xx_check_md_needed(vha); 9383 9384 if (ha->fce) { 9385 ha->flags.fce_enabled = 1; 9386 memset(ha->fce, 0, 9387 fce_calc_size(ha->fce_bufs)); 9388 rval = qla2x00_enable_fce_trace(vha, 9389 ha->fce_dma, ha->fce_bufs, ha->fce_mb, 9390 &ha->fce_bufs); 9391 if (rval) { 9392 ql_log(ql_log_warn, vha, 0x8001, 9393 "Unable to reinitialize FCE (%d).\n", 9394 rval); 9395 ha->flags.fce_enabled = 0; 9396 } 9397 } 9398 9399 if (ha->eft) { 9400 memset(ha->eft, 0, EFT_SIZE); 9401 rval = qla2x00_enable_eft_trace(vha, 9402 ha->eft_dma, EFT_NUM_BUFFERS); 9403 if (rval) { 9404 ql_log(ql_log_warn, vha, 0x8010, 9405 "Unable to reinitialize EFT (%d).\n", 9406 rval); 9407 } 9408 } 9409 } 9410 9411 if (!status) { 9412 ql_dbg(ql_dbg_taskm, vha, 0x8011, 9413 "qla82xx_restart_isp succeeded.\n"); 9414 9415 spin_lock_irqsave(&ha->vport_slock, flags); 9416 list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) { 9417 if (vp->vp_idx) { 9418 atomic_inc(&vp->vref_count); 9419 spin_unlock_irqrestore(&ha->vport_slock, flags); 9420 9421 qla2x00_vp_abort_isp(vp); 9422 9423 spin_lock_irqsave(&ha->vport_slock, flags); 9424 atomic_dec(&vp->vref_count); 9425 } 9426 } 9427 spin_unlock_irqrestore(&ha->vport_slock, flags); 9428 9429 } else { 9430 ql_log(ql_log_warn, vha, 0x8016, 9431 "qla82xx_restart_isp **** FAILED ****.\n"); 9432 } 9433 9434 return status; 9435 } 9436 9437 /* 9438 * qla24xx_get_fcp_prio 9439 * Gets the fcp cmd priority value for the logged in port. 9440 * Looks for a match of the port descriptors within 9441 * each of the fcp prio config entries. If a match is found, 9442 * the tag (priority) value is returned. 9443 * 9444 * Input: 9445 * vha = scsi host structure pointer. 9446 * fcport = port structure pointer. 9447 * 9448 * Return: 9449 * non-zero (if found) 9450 * -1 (if not found) 9451 * 9452 * Context: 9453 * Kernel context 9454 */ 9455 static int 9456 qla24xx_get_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport) 9457 { 9458 int i, entries; 9459 uint8_t pid_match, wwn_match; 9460 int priority; 9461 uint32_t pid1, pid2; 9462 uint64_t wwn1, wwn2; 9463 struct qla_fcp_prio_entry *pri_entry; 9464 struct qla_hw_data *ha = vha->hw; 9465 9466 if (!ha->fcp_prio_cfg || !ha->flags.fcp_prio_enabled) 9467 return -1; 9468 9469 priority = -1; 9470 entries = ha->fcp_prio_cfg->num_entries; 9471 pri_entry = &ha->fcp_prio_cfg->entry[0]; 9472 9473 for (i = 0; i < entries; i++) { 9474 pid_match = wwn_match = 0; 9475 9476 if (!(pri_entry->flags & FCP_PRIO_ENTRY_VALID)) { 9477 pri_entry++; 9478 continue; 9479 } 9480 9481 /* check source pid for a match */ 9482 if (pri_entry->flags & FCP_PRIO_ENTRY_SPID_VALID) { 9483 pid1 = pri_entry->src_pid & INVALID_PORT_ID; 9484 pid2 = vha->d_id.b24 & INVALID_PORT_ID; 9485 if (pid1 == INVALID_PORT_ID) 9486 pid_match++; 9487 else if (pid1 == pid2) 9488 pid_match++; 9489 } 9490 9491 /* check destination pid for a match */ 9492 if (pri_entry->flags & FCP_PRIO_ENTRY_DPID_VALID) { 9493 pid1 = pri_entry->dst_pid & INVALID_PORT_ID; 9494 pid2 = fcport->d_id.b24 & INVALID_PORT_ID; 9495 if (pid1 == INVALID_PORT_ID) 9496 pid_match++; 9497 else if (pid1 == pid2) 9498 pid_match++; 9499 } 9500 9501 /* check source WWN for a match */ 9502 if (pri_entry->flags & FCP_PRIO_ENTRY_SWWN_VALID) { 9503 wwn1 = wwn_to_u64(vha->port_name); 9504 wwn2 = wwn_to_u64(pri_entry->src_wwpn); 9505 if (wwn2 == (uint64_t)-1) 9506 wwn_match++; 9507 else if (wwn1 == wwn2) 9508 wwn_match++; 9509 } 9510 9511 /* check destination WWN for a match */ 9512 if (pri_entry->flags & FCP_PRIO_ENTRY_DWWN_VALID) { 9513 wwn1 = wwn_to_u64(fcport->port_name); 9514 wwn2 = wwn_to_u64(pri_entry->dst_wwpn); 9515 if (wwn2 == (uint64_t)-1) 9516 wwn_match++; 9517 else if (wwn1 == wwn2) 9518 wwn_match++; 9519 } 9520 9521 if (pid_match == 2 || wwn_match == 2) { 9522 /* Found a matching entry */ 9523 if (pri_entry->flags & FCP_PRIO_ENTRY_TAG_VALID) 9524 priority = pri_entry->tag; 9525 break; 9526 } 9527 9528 pri_entry++; 9529 } 9530 9531 return priority; 9532 } 9533 9534 /* 9535 * qla24xx_update_fcport_fcp_prio 9536 * Activates fcp priority for the logged in fc port 9537 * 9538 * Input: 9539 * vha = scsi host structure pointer. 9540 * fcp = port structure pointer. 9541 * 9542 * Return: 9543 * QLA_SUCCESS or QLA_FUNCTION_FAILED 9544 * 9545 * Context: 9546 * Kernel context. 9547 */ 9548 int 9549 qla24xx_update_fcport_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport) 9550 { 9551 int ret; 9552 int priority; 9553 uint16_t mb[5]; 9554 9555 if (fcport->port_type != FCT_TARGET || 9556 fcport->loop_id == FC_NO_LOOP_ID) 9557 return QLA_FUNCTION_FAILED; 9558 9559 priority = qla24xx_get_fcp_prio(vha, fcport); 9560 if (priority < 0) 9561 return QLA_FUNCTION_FAILED; 9562 9563 if (IS_P3P_TYPE(vha->hw)) { 9564 fcport->fcp_prio = priority & 0xf; 9565 return QLA_SUCCESS; 9566 } 9567 9568 ret = qla24xx_set_fcp_prio(vha, fcport->loop_id, priority, mb); 9569 if (ret == QLA_SUCCESS) { 9570 if (fcport->fcp_prio != priority) 9571 ql_dbg(ql_dbg_user, vha, 0x709e, 9572 "Updated FCP_CMND priority - value=%d loop_id=%d " 9573 "port_id=%02x%02x%02x.\n", priority, 9574 fcport->loop_id, fcport->d_id.b.domain, 9575 fcport->d_id.b.area, fcport->d_id.b.al_pa); 9576 fcport->fcp_prio = priority & 0xf; 9577 } else 9578 ql_dbg(ql_dbg_user, vha, 0x704f, 9579 "Unable to update FCP_CMND priority - ret=0x%x for " 9580 "loop_id=%d port_id=%02x%02x%02x.\n", ret, fcport->loop_id, 9581 fcport->d_id.b.domain, fcport->d_id.b.area, 9582 fcport->d_id.b.al_pa); 9583 return ret; 9584 } 9585 9586 /* 9587 * qla24xx_update_all_fcp_prio 9588 * Activates fcp priority for all the logged in ports 9589 * 9590 * Input: 9591 * ha = adapter block pointer. 9592 * 9593 * Return: 9594 * QLA_SUCCESS or QLA_FUNCTION_FAILED 9595 * 9596 * Context: 9597 * Kernel context. 9598 */ 9599 int 9600 qla24xx_update_all_fcp_prio(scsi_qla_host_t *vha) 9601 { 9602 int ret; 9603 fc_port_t *fcport; 9604 9605 ret = QLA_FUNCTION_FAILED; 9606 /* We need to set priority for all logged in ports */ 9607 list_for_each_entry(fcport, &vha->vp_fcports, list) 9608 ret = qla24xx_update_fcport_fcp_prio(vha, fcport); 9609 9610 return ret; 9611 } 9612 9613 struct qla_qpair *qla2xxx_create_qpair(struct scsi_qla_host *vha, int qos, 9614 int vp_idx, bool startqp) 9615 { 9616 int rsp_id = 0; 9617 int req_id = 0; 9618 int i; 9619 struct qla_hw_data *ha = vha->hw; 9620 uint16_t qpair_id = 0; 9621 struct qla_qpair *qpair = NULL; 9622 struct qla_msix_entry *msix; 9623 9624 if (!(ha->fw_attributes & BIT_6) || !ha->flags.msix_enabled) { 9625 ql_log(ql_log_warn, vha, 0x00181, 9626 "FW/Driver is not multi-queue capable.\n"); 9627 return NULL; 9628 } 9629 9630 if (ql2xmqsupport || ql2xnvmeenable) { 9631 qpair = kzalloc(sizeof(struct qla_qpair), GFP_KERNEL); 9632 if (qpair == NULL) { 9633 ql_log(ql_log_warn, vha, 0x0182, 9634 "Failed to allocate memory for queue pair.\n"); 9635 return NULL; 9636 } 9637 9638 qpair->hw = vha->hw; 9639 qpair->vha = vha; 9640 qpair->qp_lock_ptr = &qpair->qp_lock; 9641 spin_lock_init(&qpair->qp_lock); 9642 qpair->use_shadow_reg = IS_SHADOW_REG_CAPABLE(ha) ? 1 : 0; 9643 9644 /* Assign available que pair id */ 9645 mutex_lock(&ha->mq_lock); 9646 qpair_id = find_first_zero_bit(ha->qpair_qid_map, ha->max_qpairs); 9647 if (ha->num_qpairs >= ha->max_qpairs) { 9648 mutex_unlock(&ha->mq_lock); 9649 ql_log(ql_log_warn, vha, 0x0183, 9650 "No resources to create additional q pair.\n"); 9651 goto fail_qid_map; 9652 } 9653 ha->num_qpairs++; 9654 set_bit(qpair_id, ha->qpair_qid_map); 9655 ha->queue_pair_map[qpair_id] = qpair; 9656 qpair->id = qpair_id; 9657 qpair->vp_idx = vp_idx; 9658 qpair->fw_started = ha->flags.fw_started; 9659 INIT_LIST_HEAD(&qpair->hints_list); 9660 INIT_LIST_HEAD(&qpair->dsd_list); 9661 qpair->chip_reset = ha->base_qpair->chip_reset; 9662 qpair->enable_class_2 = ha->base_qpair->enable_class_2; 9663 qpair->enable_explicit_conf = 9664 ha->base_qpair->enable_explicit_conf; 9665 9666 for (i = 0; i < ha->msix_count; i++) { 9667 msix = &ha->msix_entries[i]; 9668 if (msix->in_use) 9669 continue; 9670 qpair->msix = msix; 9671 ql_dbg(ql_dbg_multiq, vha, 0xc00f, 9672 "Vector %x selected for qpair\n", msix->vector); 9673 break; 9674 } 9675 if (!qpair->msix) { 9676 ql_log(ql_log_warn, vha, 0x0184, 9677 "Out of MSI-X vectors!.\n"); 9678 goto fail_msix; 9679 } 9680 9681 qpair->msix->in_use = 1; 9682 list_add_tail(&qpair->qp_list_elem, &vha->qp_list); 9683 qpair->pdev = ha->pdev; 9684 if (IS_QLA27XX(ha) || IS_QLA83XX(ha) || IS_QLA28XX(ha)) 9685 qpair->reqq_start_iocbs = qla_83xx_start_iocbs; 9686 9687 mutex_unlock(&ha->mq_lock); 9688 9689 /* Create response queue first */ 9690 rsp_id = qla25xx_create_rsp_que(ha, 0, 0, 0, qpair, startqp); 9691 if (!rsp_id) { 9692 ql_log(ql_log_warn, vha, 0x0185, 9693 "Failed to create response queue.\n"); 9694 goto fail_rsp; 9695 } 9696 9697 qpair->rsp = ha->rsp_q_map[rsp_id]; 9698 9699 /* Create request queue */ 9700 req_id = qla25xx_create_req_que(ha, 0, vp_idx, 0, rsp_id, qos, 9701 startqp); 9702 if (!req_id) { 9703 ql_log(ql_log_warn, vha, 0x0186, 9704 "Failed to create request queue.\n"); 9705 goto fail_req; 9706 } 9707 9708 qpair->req = ha->req_q_map[req_id]; 9709 qpair->rsp->req = qpair->req; 9710 qpair->rsp->qpair = qpair; 9711 9712 if (!qpair->cpu_mapped) 9713 qla_cpu_update(qpair, raw_smp_processor_id()); 9714 9715 if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif) { 9716 if (ha->fw_attributes & BIT_4) 9717 qpair->difdix_supported = 1; 9718 } 9719 9720 qpair->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep); 9721 if (!qpair->srb_mempool) { 9722 ql_log(ql_log_warn, vha, 0xd036, 9723 "Failed to create srb mempool for qpair %d\n", 9724 qpair->id); 9725 goto fail_mempool; 9726 } 9727 9728 if (qla_create_buf_pool(vha, qpair)) { 9729 ql_log(ql_log_warn, vha, 0xd036, 9730 "Failed to initialize buf pool for qpair %d\n", 9731 qpair->id); 9732 goto fail_bufpool; 9733 } 9734 9735 /* Mark as online */ 9736 qpair->online = 1; 9737 9738 if (!vha->flags.qpairs_available) 9739 vha->flags.qpairs_available = 1; 9740 9741 ql_dbg(ql_dbg_multiq, vha, 0xc00d, 9742 "Request/Response queue pair created, id %d\n", 9743 qpair->id); 9744 ql_dbg(ql_dbg_init, vha, 0x0187, 9745 "Request/Response queue pair created, id %d\n", 9746 qpair->id); 9747 } 9748 return qpair; 9749 9750 fail_bufpool: 9751 mempool_destroy(qpair->srb_mempool); 9752 fail_mempool: 9753 qla25xx_delete_req_que(vha, qpair->req); 9754 fail_req: 9755 qla25xx_delete_rsp_que(vha, qpair->rsp); 9756 fail_rsp: 9757 mutex_lock(&ha->mq_lock); 9758 qpair->msix->in_use = 0; 9759 list_del(&qpair->qp_list_elem); 9760 if (list_empty(&vha->qp_list)) 9761 vha->flags.qpairs_available = 0; 9762 fail_msix: 9763 ha->queue_pair_map[qpair_id] = NULL; 9764 clear_bit(qpair_id, ha->qpair_qid_map); 9765 ha->num_qpairs--; 9766 mutex_unlock(&ha->mq_lock); 9767 fail_qid_map: 9768 kfree(qpair); 9769 return NULL; 9770 } 9771 9772 int qla2xxx_delete_qpair(struct scsi_qla_host *vha, struct qla_qpair *qpair) 9773 { 9774 int ret = QLA_FUNCTION_FAILED; 9775 struct qla_hw_data *ha = qpair->hw; 9776 9777 qpair->delete_in_progress = 1; 9778 9779 qla_free_buf_pool(qpair); 9780 9781 ret = qla25xx_delete_req_que(vha, qpair->req); 9782 if (ret != QLA_SUCCESS) 9783 goto fail; 9784 9785 ret = qla25xx_delete_rsp_que(vha, qpair->rsp); 9786 if (ret != QLA_SUCCESS) 9787 goto fail; 9788 9789 if (!list_empty(&qpair->dsd_list)) { 9790 struct dsd_dma *dsd_ptr, *tdsd_ptr; 9791 9792 /* clean up allocated prev pool */ 9793 list_for_each_entry_safe(dsd_ptr, tdsd_ptr, 9794 &qpair->dsd_list, list) { 9795 dma_pool_free(ha->dl_dma_pool, dsd_ptr->dsd_addr, 9796 dsd_ptr->dsd_list_dma); 9797 list_del(&dsd_ptr->list); 9798 kfree(dsd_ptr); 9799 } 9800 } 9801 9802 mutex_lock(&ha->mq_lock); 9803 ha->queue_pair_map[qpair->id] = NULL; 9804 clear_bit(qpair->id, ha->qpair_qid_map); 9805 ha->num_qpairs--; 9806 list_del(&qpair->qp_list_elem); 9807 if (list_empty(&vha->qp_list)) { 9808 vha->flags.qpairs_available = 0; 9809 vha->flags.qpairs_req_created = 0; 9810 vha->flags.qpairs_rsp_created = 0; 9811 } 9812 mempool_destroy(qpair->srb_mempool); 9813 kfree(qpair); 9814 mutex_unlock(&ha->mq_lock); 9815 9816 return QLA_SUCCESS; 9817 fail: 9818 return ret; 9819 } 9820 9821 uint64_t 9822 qla2x00_count_set_bits(uint32_t num) 9823 { 9824 /* Brian Kernighan's Algorithm */ 9825 u64 count = 0; 9826 9827 while (num) { 9828 num &= (num - 1); 9829 count++; 9830 } 9831 return count; 9832 } 9833 9834 uint64_t 9835 qla2x00_get_num_tgts(scsi_qla_host_t *vha) 9836 { 9837 fc_port_t *f, *tf; 9838 u64 count = 0; 9839 9840 f = NULL; 9841 tf = NULL; 9842 9843 list_for_each_entry_safe(f, tf, &vha->vp_fcports, list) { 9844 if (f->port_type != FCT_TARGET) 9845 continue; 9846 count++; 9847 } 9848 return count; 9849 } 9850 9851 int qla2xxx_reset_stats(struct Scsi_Host *host, u32 flags) 9852 { 9853 scsi_qla_host_t *vha = shost_priv(host); 9854 fc_port_t *fcport = NULL; 9855 unsigned long int_flags; 9856 9857 if (flags & QLA2XX_HW_ERROR) 9858 vha->hw_err_cnt = 0; 9859 if (flags & QLA2XX_SHT_LNK_DWN) 9860 vha->short_link_down_cnt = 0; 9861 if (flags & QLA2XX_INT_ERR) 9862 vha->interface_err_cnt = 0; 9863 if (flags & QLA2XX_CMD_TIMEOUT) 9864 vha->cmd_timeout_cnt = 0; 9865 if (flags & QLA2XX_RESET_CMD_ERR) 9866 vha->reset_cmd_err_cnt = 0; 9867 if (flags & QLA2XX_TGT_SHT_LNK_DOWN) { 9868 spin_lock_irqsave(&vha->hw->tgt.sess_lock, int_flags); 9869 list_for_each_entry(fcport, &vha->vp_fcports, list) { 9870 fcport->tgt_short_link_down_cnt = 0; 9871 fcport->tgt_link_down_time = QLA2XX_MAX_LINK_DOWN_TIME; 9872 } 9873 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, int_flags); 9874 } 9875 vha->link_down_time = QLA2XX_MAX_LINK_DOWN_TIME; 9876 return 0; 9877 } 9878 9879 int qla2xxx_start_stats(struct Scsi_Host *host, u32 flags) 9880 { 9881 return qla2xxx_reset_stats(host, flags); 9882 } 9883 9884 int qla2xxx_stop_stats(struct Scsi_Host *host, u32 flags) 9885 { 9886 return qla2xxx_reset_stats(host, flags); 9887 } 9888 9889 int qla2xxx_get_ini_stats(struct Scsi_Host *host, u32 flags, 9890 void *data, u64 size) 9891 { 9892 scsi_qla_host_t *vha = shost_priv(host); 9893 struct ql_vnd_host_stats_resp *resp = (struct ql_vnd_host_stats_resp *)data; 9894 struct ql_vnd_stats *rsp_data = &resp->stats; 9895 u64 ini_entry_count = 0; 9896 u64 i = 0; 9897 u64 entry_count = 0; 9898 u64 num_tgt = 0; 9899 u32 tmp_stat_type = 0; 9900 fc_port_t *fcport = NULL; 9901 unsigned long int_flags; 9902 9903 /* Copy stat type to work on it */ 9904 tmp_stat_type = flags; 9905 9906 if (tmp_stat_type & BIT_17) { 9907 num_tgt = qla2x00_get_num_tgts(vha); 9908 /* unset BIT_17 */ 9909 tmp_stat_type &= ~(1 << 17); 9910 } 9911 ini_entry_count = qla2x00_count_set_bits(tmp_stat_type); 9912 9913 entry_count = ini_entry_count + num_tgt; 9914 9915 rsp_data->entry_count = entry_count; 9916 9917 i = 0; 9918 if (flags & QLA2XX_HW_ERROR) { 9919 rsp_data->entry[i].stat_type = QLA2XX_HW_ERROR; 9920 rsp_data->entry[i].tgt_num = 0x0; 9921 rsp_data->entry[i].cnt = vha->hw_err_cnt; 9922 i++; 9923 } 9924 9925 if (flags & QLA2XX_SHT_LNK_DWN) { 9926 rsp_data->entry[i].stat_type = QLA2XX_SHT_LNK_DWN; 9927 rsp_data->entry[i].tgt_num = 0x0; 9928 rsp_data->entry[i].cnt = vha->short_link_down_cnt; 9929 i++; 9930 } 9931 9932 if (flags & QLA2XX_INT_ERR) { 9933 rsp_data->entry[i].stat_type = QLA2XX_INT_ERR; 9934 rsp_data->entry[i].tgt_num = 0x0; 9935 rsp_data->entry[i].cnt = vha->interface_err_cnt; 9936 i++; 9937 } 9938 9939 if (flags & QLA2XX_CMD_TIMEOUT) { 9940 rsp_data->entry[i].stat_type = QLA2XX_CMD_TIMEOUT; 9941 rsp_data->entry[i].tgt_num = 0x0; 9942 rsp_data->entry[i].cnt = vha->cmd_timeout_cnt; 9943 i++; 9944 } 9945 9946 if (flags & QLA2XX_RESET_CMD_ERR) { 9947 rsp_data->entry[i].stat_type = QLA2XX_RESET_CMD_ERR; 9948 rsp_data->entry[i].tgt_num = 0x0; 9949 rsp_data->entry[i].cnt = vha->reset_cmd_err_cnt; 9950 i++; 9951 } 9952 9953 /* i will continue from previous loop, as target 9954 * entries are after initiator 9955 */ 9956 if (flags & QLA2XX_TGT_SHT_LNK_DOWN) { 9957 spin_lock_irqsave(&vha->hw->tgt.sess_lock, int_flags); 9958 list_for_each_entry(fcport, &vha->vp_fcports, list) { 9959 if (fcport->port_type != FCT_TARGET) 9960 continue; 9961 if (!fcport->rport) 9962 continue; 9963 rsp_data->entry[i].stat_type = QLA2XX_TGT_SHT_LNK_DOWN; 9964 rsp_data->entry[i].tgt_num = fcport->rport->number; 9965 rsp_data->entry[i].cnt = fcport->tgt_short_link_down_cnt; 9966 i++; 9967 } 9968 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, int_flags); 9969 } 9970 resp->status = EXT_STATUS_OK; 9971 9972 return 0; 9973 } 9974 9975 int qla2xxx_get_tgt_stats(struct Scsi_Host *host, u32 flags, 9976 struct fc_rport *rport, void *data, u64 size) 9977 { 9978 struct ql_vnd_tgt_stats_resp *tgt_data = data; 9979 fc_port_t *fcport = *(fc_port_t **)rport->dd_data; 9980 9981 tgt_data->status = 0; 9982 tgt_data->stats.entry_count = 1; 9983 tgt_data->stats.entry[0].stat_type = flags; 9984 tgt_data->stats.entry[0].tgt_num = rport->number; 9985 tgt_data->stats.entry[0].cnt = fcport->tgt_short_link_down_cnt; 9986 9987 return 0; 9988 } 9989 9990 int qla2xxx_disable_port(struct Scsi_Host *host) 9991 { 9992 scsi_qla_host_t *vha = shost_priv(host); 9993 9994 vha->hw->flags.port_isolated = 1; 9995 9996 if (qla2x00_isp_reg_stat(vha->hw)) { 9997 ql_log(ql_log_info, vha, 0x9006, 9998 "PCI/Register disconnect, exiting.\n"); 9999 qla_pci_set_eeh_busy(vha); 10000 return FAILED; 10001 } 10002 if (qla2x00_chip_is_down(vha)) 10003 return 0; 10004 10005 if (vha->flags.online) { 10006 qla2x00_abort_isp_cleanup(vha); 10007 qla2x00_wait_for_sess_deletion(vha); 10008 } 10009 10010 return 0; 10011 } 10012 10013 int qla2xxx_enable_port(struct Scsi_Host *host) 10014 { 10015 scsi_qla_host_t *vha = shost_priv(host); 10016 10017 if (qla2x00_isp_reg_stat(vha->hw)) { 10018 ql_log(ql_log_info, vha, 0x9001, 10019 "PCI/Register disconnect, exiting.\n"); 10020 qla_pci_set_eeh_busy(vha); 10021 return FAILED; 10022 } 10023 10024 vha->hw->flags.port_isolated = 0; 10025 /* Set the flag to 1, so that isp_abort can proceed */ 10026 vha->flags.online = 1; 10027 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 10028 qla2xxx_wake_dpc(vha); 10029 10030 return 0; 10031 } 10032