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 static void qla_rscn_gen_tick(scsi_qla_host_t *vha, u32 *ret_rscn_gen) 1846 { 1847 *ret_rscn_gen = atomic_inc_return(&vha->rscn_gen); 1848 /* memory barrier */ 1849 wmb(); 1850 } 1851 1852 void qla2x00_handle_rscn(scsi_qla_host_t *vha, struct event_arg *ea) 1853 { 1854 fc_port_t *fcport; 1855 unsigned long flags; 1856 u32 rscn_gen; 1857 1858 switch (ea->id.b.rsvd_1) { 1859 case RSCN_PORT_ADDR: 1860 fcport = qla2x00_find_fcport_by_nportid(vha, &ea->id, 1); 1861 if (fcport) { 1862 if (ql2xfc2target && 1863 fcport->flags & FCF_FCP2_DEVICE && 1864 atomic_read(&fcport->state) == FCS_ONLINE) { 1865 ql_dbg(ql_dbg_disc, vha, 0x2115, 1866 "Delaying session delete for FCP2 portid=%06x %8phC ", 1867 fcport->d_id.b24, fcport->port_name); 1868 return; 1869 } 1870 1871 if (vha->hw->flags.edif_enabled && DBELL_ACTIVE(vha)) { 1872 /* 1873 * On ipsec start by remote port, Target port 1874 * may use RSCN to trigger initiator to 1875 * relogin. If driver is already in the 1876 * process of a relogin, then ignore the RSCN 1877 * and allow the current relogin to continue. 1878 * This reduces thrashing of the connection. 1879 */ 1880 if (atomic_read(&fcport->state) == FCS_ONLINE) { 1881 /* 1882 * If state = online, then set scan_needed=1 to do relogin. 1883 * Otherwise we're already in the middle of a relogin 1884 */ 1885 fcport->scan_needed = 1; 1886 qla_rscn_gen_tick(vha, &fcport->rscn_gen); 1887 } 1888 } else { 1889 fcport->scan_needed = 1; 1890 qla_rscn_gen_tick(vha, &fcport->rscn_gen); 1891 } 1892 } 1893 break; 1894 case RSCN_AREA_ADDR: 1895 qla_rscn_gen_tick(vha, &rscn_gen); 1896 list_for_each_entry(fcport, &vha->vp_fcports, list) { 1897 if (fcport->flags & FCF_FCP2_DEVICE && 1898 atomic_read(&fcport->state) == FCS_ONLINE) 1899 continue; 1900 1901 if ((ea->id.b24 & 0xffff00) == (fcport->d_id.b24 & 0xffff00)) { 1902 fcport->scan_needed = 1; 1903 fcport->rscn_gen = rscn_gen; 1904 } 1905 } 1906 break; 1907 case RSCN_DOM_ADDR: 1908 qla_rscn_gen_tick(vha, &rscn_gen); 1909 list_for_each_entry(fcport, &vha->vp_fcports, list) { 1910 if (fcport->flags & FCF_FCP2_DEVICE && 1911 atomic_read(&fcport->state) == FCS_ONLINE) 1912 continue; 1913 1914 if ((ea->id.b24 & 0xff0000) == (fcport->d_id.b24 & 0xff0000)) { 1915 fcport->scan_needed = 1; 1916 fcport->rscn_gen = rscn_gen; 1917 } 1918 } 1919 break; 1920 case RSCN_FAB_ADDR: 1921 default: 1922 qla_rscn_gen_tick(vha, &rscn_gen); 1923 list_for_each_entry(fcport, &vha->vp_fcports, list) { 1924 if (fcport->flags & FCF_FCP2_DEVICE && 1925 atomic_read(&fcport->state) == FCS_ONLINE) 1926 continue; 1927 1928 fcport->scan_needed = 1; 1929 fcport->rscn_gen = rscn_gen; 1930 } 1931 break; 1932 } 1933 1934 spin_lock_irqsave(&vha->work_lock, flags); 1935 if (vha->scan.scan_flags == 0) { 1936 ql_dbg(ql_dbg_disc, vha, 0xffff, "%s: schedule\n", __func__); 1937 vha->scan.scan_flags |= SF_QUEUED; 1938 vha->scan.rscn_gen_start = atomic_read(&vha->rscn_gen); 1939 schedule_delayed_work(&vha->scan.scan_work, 5); 1940 } 1941 spin_unlock_irqrestore(&vha->work_lock, flags); 1942 } 1943 1944 void qla24xx_handle_relogin_event(scsi_qla_host_t *vha, 1945 struct event_arg *ea) 1946 { 1947 fc_port_t *fcport = ea->fcport; 1948 1949 if (test_bit(UNLOADING, &vha->dpc_flags)) 1950 return; 1951 1952 ql_dbg(ql_dbg_disc, vha, 0x2102, 1953 "%s %8phC DS %d LS %d P %d del %d cnfl %p rscn %d|%d login %d|%d fl %x\n", 1954 __func__, fcport->port_name, fcport->disc_state, 1955 fcport->fw_login_state, fcport->login_pause, 1956 fcport->deleted, fcport->conflict, 1957 fcport->last_rscn_gen, fcport->rscn_gen, 1958 fcport->last_login_gen, fcport->login_gen, 1959 fcport->flags); 1960 1961 if (fcport->last_rscn_gen != fcport->rscn_gen) { 1962 ql_dbg(ql_dbg_disc, vha, 0x20e9, "%s %d %8phC post gnl\n", 1963 __func__, __LINE__, fcport->port_name); 1964 qla24xx_post_gnl_work(vha, fcport); 1965 return; 1966 } 1967 1968 qla24xx_fcport_handle_login(vha, fcport); 1969 } 1970 1971 void qla_handle_els_plogi_done(scsi_qla_host_t *vha, 1972 struct event_arg *ea) 1973 { 1974 if (N2N_TOPO(vha->hw) && fcport_is_smaller(ea->fcport) && 1975 vha->hw->flags.edif_enabled) { 1976 /* check to see if App support Secure */ 1977 qla24xx_post_gpdb_work(vha, ea->fcport, 0); 1978 return; 1979 } 1980 1981 /* for pure Target Mode, PRLI will not be initiated */ 1982 if (vha->host->active_mode == MODE_TARGET) 1983 return; 1984 1985 ql_dbg(ql_dbg_disc, vha, 0x2118, 1986 "%s %d %8phC post PRLI\n", 1987 __func__, __LINE__, ea->fcport->port_name); 1988 qla24xx_post_prli_work(vha, ea->fcport); 1989 } 1990 1991 /* 1992 * RSCN(s) came in for this fcport, but the RSCN(s) was not able 1993 * to be consumed by the fcport 1994 */ 1995 void qla_rscn_replay(fc_port_t *fcport) 1996 { 1997 struct event_arg ea; 1998 1999 switch (fcport->disc_state) { 2000 case DSC_DELETE_PEND: 2001 return; 2002 default: 2003 break; 2004 } 2005 2006 if (fcport->scan_needed) { 2007 memset(&ea, 0, sizeof(ea)); 2008 ea.id = fcport->d_id; 2009 ea.id.b.rsvd_1 = RSCN_PORT_ADDR; 2010 qla2x00_handle_rscn(fcport->vha, &ea); 2011 } 2012 } 2013 2014 static void 2015 qla2x00_tmf_iocb_timeout(void *data) 2016 { 2017 srb_t *sp = data; 2018 struct srb_iocb *tmf = &sp->u.iocb_cmd; 2019 int rc, h; 2020 unsigned long flags; 2021 2022 if (sp->type == SRB_MARKER) 2023 rc = QLA_FUNCTION_FAILED; 2024 else 2025 rc = qla24xx_async_abort_cmd(sp, false); 2026 2027 if (rc) { 2028 spin_lock_irqsave(sp->qpair->qp_lock_ptr, flags); 2029 for (h = 1; h < sp->qpair->req->num_outstanding_cmds; h++) { 2030 if (sp->qpair->req->outstanding_cmds[h] == sp) { 2031 sp->qpair->req->outstanding_cmds[h] = NULL; 2032 qla_put_fw_resources(sp->qpair, &sp->iores); 2033 break; 2034 } 2035 } 2036 spin_unlock_irqrestore(sp->qpair->qp_lock_ptr, flags); 2037 tmf->u.tmf.comp_status = cpu_to_le16(CS_TIMEOUT); 2038 tmf->u.tmf.data = QLA_FUNCTION_FAILED; 2039 complete(&tmf->u.tmf.comp); 2040 } 2041 } 2042 2043 static void qla_marker_sp_done(srb_t *sp, int res) 2044 { 2045 struct srb_iocb *tmf = &sp->u.iocb_cmd; 2046 2047 if (res != QLA_SUCCESS) 2048 ql_dbg(ql_dbg_taskm, sp->vha, 0x8004, 2049 "Async-marker fail hdl=%x portid=%06x ctrl=%x lun=%lld qp=%d.\n", 2050 sp->handle, sp->fcport->d_id.b24, sp->u.iocb_cmd.u.tmf.flags, 2051 sp->u.iocb_cmd.u.tmf.lun, sp->qpair->id); 2052 2053 sp->u.iocb_cmd.u.tmf.data = res; 2054 complete(&tmf->u.tmf.comp); 2055 } 2056 2057 #define START_SP_W_RETRIES(_sp, _rval, _chip_gen, _login_gen) \ 2058 {\ 2059 int cnt = 5; \ 2060 do { \ 2061 if (_chip_gen != sp->vha->hw->chip_reset || _login_gen != sp->fcport->login_gen) {\ 2062 _rval = EINVAL; \ 2063 break; \ 2064 } \ 2065 _rval = qla2x00_start_sp(_sp); \ 2066 if (_rval == EAGAIN) \ 2067 msleep(1); \ 2068 else \ 2069 break; \ 2070 cnt--; \ 2071 } while (cnt); \ 2072 } 2073 2074 /** 2075 * qla26xx_marker: send marker IOCB and wait for the completion of it. 2076 * @arg: pointer to argument list. 2077 * It is assume caller will provide an fcport pointer and modifier 2078 */ 2079 static int 2080 qla26xx_marker(struct tmf_arg *arg) 2081 { 2082 struct scsi_qla_host *vha = arg->vha; 2083 struct srb_iocb *tm_iocb; 2084 srb_t *sp; 2085 int rval = QLA_FUNCTION_FAILED; 2086 fc_port_t *fcport = arg->fcport; 2087 u32 chip_gen, login_gen; 2088 2089 if (TMF_NOT_READY(arg->fcport)) { 2090 ql_dbg(ql_dbg_taskm, vha, 0x8039, 2091 "FC port not ready for marker loop-id=%x portid=%06x modifier=%x lun=%lld qp=%d.\n", 2092 fcport->loop_id, fcport->d_id.b24, 2093 arg->modifier, arg->lun, arg->qpair->id); 2094 return QLA_SUSPENDED; 2095 } 2096 2097 chip_gen = vha->hw->chip_reset; 2098 login_gen = fcport->login_gen; 2099 2100 /* ref: INIT */ 2101 sp = qla2xxx_get_qpair_sp(vha, arg->qpair, fcport, GFP_KERNEL); 2102 if (!sp) 2103 goto done; 2104 2105 sp->type = SRB_MARKER; 2106 sp->name = "marker"; 2107 qla2x00_init_async_sp(sp, qla2x00_get_async_timeout(vha), qla_marker_sp_done); 2108 sp->u.iocb_cmd.timeout = qla2x00_tmf_iocb_timeout; 2109 2110 tm_iocb = &sp->u.iocb_cmd; 2111 init_completion(&tm_iocb->u.tmf.comp); 2112 tm_iocb->u.tmf.modifier = arg->modifier; 2113 tm_iocb->u.tmf.lun = arg->lun; 2114 tm_iocb->u.tmf.loop_id = fcport->loop_id; 2115 tm_iocb->u.tmf.vp_index = vha->vp_idx; 2116 2117 START_SP_W_RETRIES(sp, rval, chip_gen, login_gen); 2118 2119 ql_dbg(ql_dbg_taskm, vha, 0x8006, 2120 "Async-marker hdl=%x loop-id=%x portid=%06x modifier=%x lun=%lld qp=%d rval %d.\n", 2121 sp->handle, fcport->loop_id, fcport->d_id.b24, 2122 arg->modifier, arg->lun, sp->qpair->id, rval); 2123 2124 if (rval != QLA_SUCCESS) { 2125 ql_log(ql_log_warn, vha, 0x8031, 2126 "Marker IOCB send failure (%x).\n", rval); 2127 goto done_free_sp; 2128 } 2129 2130 wait_for_completion(&tm_iocb->u.tmf.comp); 2131 rval = tm_iocb->u.tmf.data; 2132 2133 if (rval != QLA_SUCCESS) { 2134 ql_log(ql_log_warn, vha, 0x8019, 2135 "Marker failed hdl=%x loop-id=%x portid=%06x modifier=%x lun=%lld qp=%d rval %d.\n", 2136 sp->handle, fcport->loop_id, fcport->d_id.b24, 2137 arg->modifier, arg->lun, sp->qpair->id, rval); 2138 } 2139 2140 done_free_sp: 2141 /* ref: INIT */ 2142 kref_put(&sp->cmd_kref, qla2x00_sp_release); 2143 done: 2144 return rval; 2145 } 2146 2147 static void qla2x00_tmf_sp_done(srb_t *sp, int res) 2148 { 2149 struct srb_iocb *tmf = &sp->u.iocb_cmd; 2150 2151 if (res) 2152 tmf->u.tmf.data = res; 2153 complete(&tmf->u.tmf.comp); 2154 } 2155 2156 static int qla_tmf_wait(struct tmf_arg *arg) 2157 { 2158 /* there are only 2 types of error handling that reaches here, lun or target reset */ 2159 if (arg->flags & (TCF_LUN_RESET | TCF_ABORT_TASK_SET | TCF_CLEAR_TASK_SET)) 2160 return qla2x00_eh_wait_for_pending_commands(arg->vha, 2161 arg->fcport->d_id.b24, arg->lun, WAIT_LUN); 2162 else 2163 return qla2x00_eh_wait_for_pending_commands(arg->vha, 2164 arg->fcport->d_id.b24, arg->lun, WAIT_TARGET); 2165 } 2166 2167 static int 2168 __qla2x00_async_tm_cmd(struct tmf_arg *arg) 2169 { 2170 struct scsi_qla_host *vha = arg->vha; 2171 struct srb_iocb *tm_iocb; 2172 srb_t *sp; 2173 int rval = QLA_FUNCTION_FAILED; 2174 fc_port_t *fcport = arg->fcport; 2175 u32 chip_gen, login_gen; 2176 u64 jif; 2177 2178 if (TMF_NOT_READY(arg->fcport)) { 2179 ql_dbg(ql_dbg_taskm, vha, 0x8032, 2180 "FC port not ready for TM command loop-id=%x portid=%06x modifier=%x lun=%lld qp=%d.\n", 2181 fcport->loop_id, fcport->d_id.b24, 2182 arg->modifier, arg->lun, arg->qpair->id); 2183 return QLA_SUSPENDED; 2184 } 2185 2186 chip_gen = vha->hw->chip_reset; 2187 login_gen = fcport->login_gen; 2188 2189 /* ref: INIT */ 2190 sp = qla2xxx_get_qpair_sp(vha, arg->qpair, fcport, GFP_KERNEL); 2191 if (!sp) 2192 goto done; 2193 2194 qla_vha_mark_busy(vha); 2195 sp->type = SRB_TM_CMD; 2196 sp->name = "tmf"; 2197 qla2x00_init_async_sp(sp, qla2x00_get_async_timeout(vha), 2198 qla2x00_tmf_sp_done); 2199 sp->u.iocb_cmd.timeout = qla2x00_tmf_iocb_timeout; 2200 2201 tm_iocb = &sp->u.iocb_cmd; 2202 init_completion(&tm_iocb->u.tmf.comp); 2203 tm_iocb->u.tmf.flags = arg->flags; 2204 tm_iocb->u.tmf.lun = arg->lun; 2205 2206 START_SP_W_RETRIES(sp, rval, chip_gen, login_gen); 2207 2208 ql_dbg(ql_dbg_taskm, vha, 0x802f, 2209 "Async-tmf hdl=%x loop-id=%x portid=%06x ctrl=%x lun=%lld qp=%d rval=%x.\n", 2210 sp->handle, fcport->loop_id, fcport->d_id.b24, 2211 arg->flags, arg->lun, sp->qpair->id, rval); 2212 2213 if (rval != QLA_SUCCESS) 2214 goto done_free_sp; 2215 wait_for_completion(&tm_iocb->u.tmf.comp); 2216 2217 rval = tm_iocb->u.tmf.data; 2218 2219 if (rval != QLA_SUCCESS) { 2220 ql_log(ql_log_warn, vha, 0x8030, 2221 "TM IOCB failed (%x).\n", rval); 2222 } 2223 2224 if (!test_bit(UNLOADING, &vha->dpc_flags) && !IS_QLAFX00(vha->hw)) { 2225 jif = jiffies; 2226 if (qla_tmf_wait(arg)) { 2227 ql_log(ql_log_info, vha, 0x803e, 2228 "Waited %u ms Nexus=%ld:%06x:%llu.\n", 2229 jiffies_to_msecs(jiffies - jif), vha->host_no, 2230 fcport->d_id.b24, arg->lun); 2231 } 2232 2233 if (chip_gen == vha->hw->chip_reset && login_gen == fcport->login_gen) { 2234 rval = qla26xx_marker(arg); 2235 } else { 2236 ql_log(ql_log_info, vha, 0x803e, 2237 "Skip Marker due to disruption. Nexus=%ld:%06x:%llu.\n", 2238 vha->host_no, fcport->d_id.b24, arg->lun); 2239 rval = QLA_FUNCTION_FAILED; 2240 } 2241 } 2242 if (tm_iocb->u.tmf.data) 2243 rval = tm_iocb->u.tmf.data; 2244 2245 done_free_sp: 2246 /* ref: INIT */ 2247 kref_put(&sp->cmd_kref, qla2x00_sp_release); 2248 done: 2249 return rval; 2250 } 2251 2252 static void qla_put_tmf(struct tmf_arg *arg) 2253 { 2254 struct scsi_qla_host *vha = arg->vha; 2255 struct qla_hw_data *ha = vha->hw; 2256 unsigned long flags; 2257 2258 spin_lock_irqsave(&ha->tgt.sess_lock, flags); 2259 ha->active_tmf--; 2260 list_del(&arg->tmf_elem); 2261 spin_unlock_irqrestore(&ha->tgt.sess_lock, flags); 2262 } 2263 2264 static 2265 int qla_get_tmf(struct tmf_arg *arg) 2266 { 2267 struct scsi_qla_host *vha = arg->vha; 2268 struct qla_hw_data *ha = vha->hw; 2269 unsigned long flags; 2270 fc_port_t *fcport = arg->fcport; 2271 int rc = 0; 2272 struct tmf_arg *t; 2273 2274 spin_lock_irqsave(&ha->tgt.sess_lock, flags); 2275 list_for_each_entry(t, &ha->tmf_active, tmf_elem) { 2276 if (t->fcport == arg->fcport && t->lun == arg->lun) { 2277 /* reject duplicate TMF */ 2278 ql_log(ql_log_warn, vha, 0x802c, 2279 "found duplicate TMF. Nexus=%ld:%06x:%llu.\n", 2280 vha->host_no, fcport->d_id.b24, arg->lun); 2281 spin_unlock_irqrestore(&ha->tgt.sess_lock, flags); 2282 return -EINVAL; 2283 } 2284 } 2285 2286 list_add_tail(&arg->tmf_elem, &ha->tmf_pending); 2287 while (ha->active_tmf >= MAX_ACTIVE_TMF) { 2288 spin_unlock_irqrestore(&ha->tgt.sess_lock, flags); 2289 2290 msleep(1); 2291 2292 spin_lock_irqsave(&ha->tgt.sess_lock, flags); 2293 if (TMF_NOT_READY(fcport)) { 2294 ql_log(ql_log_warn, vha, 0x802c, 2295 "Unable to acquire TM resource due to disruption.\n"); 2296 rc = EIO; 2297 break; 2298 } 2299 if (ha->active_tmf < MAX_ACTIVE_TMF && 2300 list_is_first(&arg->tmf_elem, &ha->tmf_pending)) 2301 break; 2302 } 2303 2304 list_del(&arg->tmf_elem); 2305 2306 if (!rc) { 2307 ha->active_tmf++; 2308 list_add_tail(&arg->tmf_elem, &ha->tmf_active); 2309 } 2310 2311 spin_unlock_irqrestore(&ha->tgt.sess_lock, flags); 2312 2313 return rc; 2314 } 2315 2316 int 2317 qla2x00_async_tm_cmd(fc_port_t *fcport, uint32_t flags, uint64_t lun, 2318 uint32_t tag) 2319 { 2320 struct scsi_qla_host *vha = fcport->vha; 2321 struct tmf_arg a; 2322 int rval = QLA_SUCCESS; 2323 2324 if (TMF_NOT_READY(fcport)) 2325 return QLA_SUSPENDED; 2326 2327 a.vha = fcport->vha; 2328 a.fcport = fcport; 2329 a.lun = lun; 2330 a.flags = flags; 2331 INIT_LIST_HEAD(&a.tmf_elem); 2332 2333 if (flags & (TCF_LUN_RESET|TCF_ABORT_TASK_SET|TCF_CLEAR_TASK_SET|TCF_CLEAR_ACA)) { 2334 a.modifier = MK_SYNC_ID_LUN; 2335 } else { 2336 a.modifier = MK_SYNC_ID; 2337 } 2338 2339 if (qla_get_tmf(&a)) 2340 return QLA_FUNCTION_FAILED; 2341 2342 a.qpair = vha->hw->base_qpair; 2343 rval = __qla2x00_async_tm_cmd(&a); 2344 2345 qla_put_tmf(&a); 2346 return rval; 2347 } 2348 2349 int 2350 qla24xx_async_abort_command(srb_t *sp) 2351 { 2352 unsigned long flags = 0; 2353 2354 uint32_t handle; 2355 fc_port_t *fcport = sp->fcport; 2356 struct qla_qpair *qpair = sp->qpair; 2357 struct scsi_qla_host *vha = fcport->vha; 2358 struct req_que *req = qpair->req; 2359 2360 spin_lock_irqsave(qpair->qp_lock_ptr, flags); 2361 for (handle = 1; handle < req->num_outstanding_cmds; handle++) { 2362 if (req->outstanding_cmds[handle] == sp) 2363 break; 2364 } 2365 spin_unlock_irqrestore(qpair->qp_lock_ptr, flags); 2366 2367 if (handle == req->num_outstanding_cmds) { 2368 /* Command not found. */ 2369 return QLA_ERR_NOT_FOUND; 2370 } 2371 if (sp->type == SRB_FXIOCB_DCMD) 2372 return qlafx00_fx_disc(vha, &vha->hw->mr.fcport, 2373 FXDISC_ABORT_IOCTL); 2374 2375 return qla24xx_async_abort_cmd(sp, true); 2376 } 2377 2378 static void 2379 qla24xx_handle_prli_done_event(struct scsi_qla_host *vha, struct event_arg *ea) 2380 { 2381 struct srb *sp; 2382 WARN_ONCE(!qla2xxx_is_valid_mbs(ea->data[0]), "mbs: %#x\n", 2383 ea->data[0]); 2384 2385 switch (ea->data[0]) { 2386 case MBS_COMMAND_COMPLETE: 2387 ql_dbg(ql_dbg_disc, vha, 0x2118, 2388 "%s %d %8phC post gpdb\n", 2389 __func__, __LINE__, ea->fcport->port_name); 2390 2391 ea->fcport->chip_reset = vha->hw->base_qpair->chip_reset; 2392 ea->fcport->logout_on_delete = 1; 2393 ea->fcport->nvme_prli_service_param = ea->iop[0]; 2394 if (ea->iop[0] & NVME_PRLI_SP_FIRST_BURST) 2395 ea->fcport->nvme_first_burst_size = 2396 (ea->iop[1] & 0xffff) * 512; 2397 else 2398 ea->fcport->nvme_first_burst_size = 0; 2399 qla24xx_post_gpdb_work(vha, ea->fcport, 0); 2400 break; 2401 default: 2402 sp = ea->sp; 2403 ql_dbg(ql_dbg_disc, vha, 0x2118, 2404 "%s %d %8phC priority %s, fc4type %x prev try %s\n", 2405 __func__, __LINE__, ea->fcport->port_name, 2406 vha->hw->fc4_type_priority == FC4_PRIORITY_FCP ? 2407 "FCP" : "NVMe", ea->fcport->fc4_type, 2408 (sp->u.iocb_cmd.u.logio.flags & SRB_LOGIN_NVME_PRLI) ? 2409 "NVME" : "FCP"); 2410 2411 if (NVME_FCP_TARGET(ea->fcport)) { 2412 if (sp->u.iocb_cmd.u.logio.flags & SRB_LOGIN_NVME_PRLI) 2413 ea->fcport->do_prli_nvme = 0; 2414 else 2415 ea->fcport->do_prli_nvme = 1; 2416 } else { 2417 ea->fcport->do_prli_nvme = 0; 2418 } 2419 2420 if (N2N_TOPO(vha->hw)) { 2421 if (ea->fcport->n2n_link_reset_cnt == 2422 vha->hw->login_retry_count && 2423 ea->fcport->flags & FCF_FCSP_DEVICE) { 2424 /* remote authentication app just started */ 2425 ea->fcport->n2n_link_reset_cnt = 0; 2426 } 2427 2428 if (ea->fcport->n2n_link_reset_cnt < 2429 vha->hw->login_retry_count) { 2430 ea->fcport->n2n_link_reset_cnt++; 2431 vha->relogin_jif = jiffies + 2 * HZ; 2432 /* 2433 * PRLI failed. Reset link to kick start 2434 * state machine 2435 */ 2436 set_bit(N2N_LINK_RESET, &vha->dpc_flags); 2437 qla2xxx_wake_dpc(vha); 2438 } else { 2439 ql_log(ql_log_warn, vha, 0x2119, 2440 "%s %d %8phC Unable to reconnect\n", 2441 __func__, __LINE__, 2442 ea->fcport->port_name); 2443 } 2444 } else { 2445 /* 2446 * switch connect. login failed. Take connection down 2447 * and allow relogin to retrigger 2448 */ 2449 ea->fcport->flags &= ~FCF_ASYNC_SENT; 2450 ea->fcport->keep_nport_handle = 0; 2451 ea->fcport->logout_on_delete = 1; 2452 qlt_schedule_sess_for_deletion(ea->fcport); 2453 } 2454 break; 2455 } 2456 } 2457 2458 void 2459 qla24xx_handle_plogi_done_event(struct scsi_qla_host *vha, struct event_arg *ea) 2460 { 2461 port_id_t cid; /* conflict Nport id */ 2462 u16 lid; 2463 struct fc_port *conflict_fcport; 2464 unsigned long flags; 2465 struct fc_port *fcport = ea->fcport; 2466 2467 ql_dbg(ql_dbg_disc, vha, 0xffff, 2468 "%s %8phC DS %d LS %d rc %d login %d|%d rscn %d|%d data %x|%x iop %x|%x\n", 2469 __func__, fcport->port_name, fcport->disc_state, 2470 fcport->fw_login_state, ea->rc, ea->sp->gen2, fcport->login_gen, 2471 ea->sp->gen1, fcport->rscn_gen, 2472 ea->data[0], ea->data[1], ea->iop[0], ea->iop[1]); 2473 2474 if ((fcport->fw_login_state == DSC_LS_PLOGI_PEND) || 2475 (fcport->fw_login_state == DSC_LS_PRLI_PEND)) { 2476 ql_dbg(ql_dbg_disc, vha, 0x20ea, 2477 "%s %d %8phC Remote is trying to login\n", 2478 __func__, __LINE__, fcport->port_name); 2479 return; 2480 } 2481 2482 if ((fcport->disc_state == DSC_DELETE_PEND) || 2483 (fcport->disc_state == DSC_DELETED)) { 2484 set_bit(RELOGIN_NEEDED, &vha->dpc_flags); 2485 return; 2486 } 2487 2488 if (ea->sp->gen2 != fcport->login_gen) { 2489 /* target side must have changed it. */ 2490 ql_dbg(ql_dbg_disc, vha, 0x20d3, 2491 "%s %8phC generation changed\n", 2492 __func__, fcport->port_name); 2493 set_bit(RELOGIN_NEEDED, &vha->dpc_flags); 2494 return; 2495 } else if (ea->sp->gen1 != fcport->rscn_gen) { 2496 ql_dbg(ql_dbg_disc, vha, 0x20d3, 2497 "%s %8phC RSCN generation changed\n", 2498 __func__, fcport->port_name); 2499 qla_rscn_replay(fcport); 2500 qlt_schedule_sess_for_deletion(fcport); 2501 return; 2502 } 2503 2504 WARN_ONCE(!qla2xxx_is_valid_mbs(ea->data[0]), "mbs: %#x\n", 2505 ea->data[0]); 2506 2507 switch (ea->data[0]) { 2508 case MBS_COMMAND_COMPLETE: 2509 /* 2510 * Driver must validate login state - If PRLI not complete, 2511 * force a relogin attempt via implicit LOGO, PLOGI, and PRLI 2512 * requests. 2513 */ 2514 if (vha->hw->flags.edif_enabled) { 2515 set_bit(ea->fcport->loop_id, vha->hw->loop_id_map); 2516 spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags); 2517 ea->fcport->chip_reset = vha->hw->base_qpair->chip_reset; 2518 ea->fcport->logout_on_delete = 1; 2519 ea->fcport->send_els_logo = 0; 2520 ea->fcport->fw_login_state = DSC_LS_PLOGI_COMP; 2521 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags); 2522 2523 qla24xx_post_gpdb_work(vha, ea->fcport, 0); 2524 } else { 2525 if (NVME_TARGET(vha->hw, fcport)) { 2526 ql_dbg(ql_dbg_disc, vha, 0x2117, 2527 "%s %d %8phC post prli\n", 2528 __func__, __LINE__, fcport->port_name); 2529 qla24xx_post_prli_work(vha, fcport); 2530 } else { 2531 ql_dbg(ql_dbg_disc, vha, 0x20ea, 2532 "%s %d %8phC LoopID 0x%x in use with %06x. post gpdb\n", 2533 __func__, __LINE__, fcport->port_name, 2534 fcport->loop_id, fcport->d_id.b24); 2535 2536 set_bit(fcport->loop_id, vha->hw->loop_id_map); 2537 spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags); 2538 fcport->chip_reset = vha->hw->base_qpair->chip_reset; 2539 fcport->logout_on_delete = 1; 2540 fcport->send_els_logo = 0; 2541 fcport->fw_login_state = DSC_LS_PRLI_COMP; 2542 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags); 2543 2544 qla24xx_post_gpdb_work(vha, fcport, 0); 2545 } 2546 } 2547 break; 2548 case MBS_COMMAND_ERROR: 2549 ql_dbg(ql_dbg_disc, vha, 0x20eb, "%s %d %8phC cmd error %x\n", 2550 __func__, __LINE__, ea->fcport->port_name, ea->data[1]); 2551 2552 qlt_schedule_sess_for_deletion(ea->fcport); 2553 break; 2554 case MBS_LOOP_ID_USED: 2555 /* data[1] = IO PARAM 1 = nport ID */ 2556 cid.b.domain = (ea->iop[1] >> 16) & 0xff; 2557 cid.b.area = (ea->iop[1] >> 8) & 0xff; 2558 cid.b.al_pa = ea->iop[1] & 0xff; 2559 cid.b.rsvd_1 = 0; 2560 2561 ql_dbg(ql_dbg_disc, vha, 0x20ec, 2562 "%s %d %8phC lid %#x in use with pid %06x post gnl\n", 2563 __func__, __LINE__, ea->fcport->port_name, 2564 ea->fcport->loop_id, cid.b24); 2565 2566 set_bit(ea->fcport->loop_id, vha->hw->loop_id_map); 2567 ea->fcport->loop_id = FC_NO_LOOP_ID; 2568 qla24xx_post_gnl_work(vha, ea->fcport); 2569 break; 2570 case MBS_PORT_ID_USED: 2571 lid = ea->iop[1] & 0xffff; 2572 qlt_find_sess_invalidate_other(vha, 2573 wwn_to_u64(ea->fcport->port_name), 2574 ea->fcport->d_id, lid, &conflict_fcport); 2575 2576 if (conflict_fcport) { 2577 /* 2578 * Another fcport share the same loop_id/nport id. 2579 * Conflict fcport needs to finish cleanup before this 2580 * fcport can proceed to login. 2581 */ 2582 conflict_fcport->conflict = ea->fcport; 2583 ea->fcport->login_pause = 1; 2584 2585 ql_dbg(ql_dbg_disc, vha, 0x20ed, 2586 "%s %d %8phC NPortId %06x inuse with loopid 0x%x.\n", 2587 __func__, __LINE__, ea->fcport->port_name, 2588 ea->fcport->d_id.b24, lid); 2589 } else { 2590 ql_dbg(ql_dbg_disc, vha, 0x20ed, 2591 "%s %d %8phC NPortId %06x inuse with loopid 0x%x. sched delete\n", 2592 __func__, __LINE__, ea->fcport->port_name, 2593 ea->fcport->d_id.b24, lid); 2594 2595 qla2x00_clear_loop_id(ea->fcport); 2596 set_bit(lid, vha->hw->loop_id_map); 2597 ea->fcport->loop_id = lid; 2598 ea->fcport->keep_nport_handle = 0; 2599 ea->fcport->logout_on_delete = 1; 2600 qlt_schedule_sess_for_deletion(ea->fcport); 2601 } 2602 break; 2603 } 2604 return; 2605 } 2606 2607 /****************************************************************************/ 2608 /* QLogic ISP2x00 Hardware Support Functions. */ 2609 /****************************************************************************/ 2610 2611 static int 2612 qla83xx_nic_core_fw_load(scsi_qla_host_t *vha) 2613 { 2614 int rval = QLA_SUCCESS; 2615 struct qla_hw_data *ha = vha->hw; 2616 uint32_t idc_major_ver, idc_minor_ver; 2617 uint16_t config[4]; 2618 2619 qla83xx_idc_lock(vha, 0); 2620 2621 /* SV: TODO: Assign initialization timeout from 2622 * flash-info / other param 2623 */ 2624 ha->fcoe_dev_init_timeout = QLA83XX_IDC_INITIALIZATION_TIMEOUT; 2625 ha->fcoe_reset_timeout = QLA83XX_IDC_RESET_ACK_TIMEOUT; 2626 2627 /* Set our fcoe function presence */ 2628 if (__qla83xx_set_drv_presence(vha) != QLA_SUCCESS) { 2629 ql_dbg(ql_dbg_p3p, vha, 0xb077, 2630 "Error while setting DRV-Presence.\n"); 2631 rval = QLA_FUNCTION_FAILED; 2632 goto exit; 2633 } 2634 2635 /* Decide the reset ownership */ 2636 qla83xx_reset_ownership(vha); 2637 2638 /* 2639 * On first protocol driver load: 2640 * Init-Owner: Set IDC-Major-Version and Clear IDC-Lock-Recovery 2641 * register. 2642 * Others: Check compatibility with current IDC Major version. 2643 */ 2644 qla83xx_rd_reg(vha, QLA83XX_IDC_MAJOR_VERSION, &idc_major_ver); 2645 if (ha->flags.nic_core_reset_owner) { 2646 /* Set IDC Major version */ 2647 idc_major_ver = QLA83XX_SUPP_IDC_MAJOR_VERSION; 2648 qla83xx_wr_reg(vha, QLA83XX_IDC_MAJOR_VERSION, idc_major_ver); 2649 2650 /* Clearing IDC-Lock-Recovery register */ 2651 qla83xx_wr_reg(vha, QLA83XX_IDC_LOCK_RECOVERY, 0); 2652 } else if (idc_major_ver != QLA83XX_SUPP_IDC_MAJOR_VERSION) { 2653 /* 2654 * Clear further IDC participation if we are not compatible with 2655 * the current IDC Major Version. 2656 */ 2657 ql_log(ql_log_warn, vha, 0xb07d, 2658 "Failing load, idc_major_ver=%d, expected_major_ver=%d.\n", 2659 idc_major_ver, QLA83XX_SUPP_IDC_MAJOR_VERSION); 2660 __qla83xx_clear_drv_presence(vha); 2661 rval = QLA_FUNCTION_FAILED; 2662 goto exit; 2663 } 2664 /* Each function sets its supported Minor version. */ 2665 qla83xx_rd_reg(vha, QLA83XX_IDC_MINOR_VERSION, &idc_minor_ver); 2666 idc_minor_ver |= (QLA83XX_SUPP_IDC_MINOR_VERSION << (ha->portnum * 2)); 2667 qla83xx_wr_reg(vha, QLA83XX_IDC_MINOR_VERSION, idc_minor_ver); 2668 2669 if (ha->flags.nic_core_reset_owner) { 2670 memset(config, 0, sizeof(config)); 2671 if (!qla81xx_get_port_config(vha, config)) 2672 qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, 2673 QLA8XXX_DEV_READY); 2674 } 2675 2676 rval = qla83xx_idc_state_handler(vha); 2677 2678 exit: 2679 qla83xx_idc_unlock(vha, 0); 2680 2681 return rval; 2682 } 2683 2684 static void qla_enable_fce_trace(scsi_qla_host_t *vha) 2685 { 2686 int rval; 2687 struct qla_hw_data *ha = vha->hw; 2688 2689 if (ha->fce) { 2690 ha->flags.fce_enabled = 1; 2691 memset(ha->fce, 0, fce_calc_size(ha->fce_bufs)); 2692 rval = qla2x00_enable_fce_trace(vha, 2693 ha->fce_dma, ha->fce_bufs, ha->fce_mb, &ha->fce_bufs); 2694 2695 if (rval) { 2696 ql_log(ql_log_warn, vha, 0x8033, 2697 "Unable to reinitialize FCE (%d).\n", rval); 2698 ha->flags.fce_enabled = 0; 2699 } 2700 } 2701 } 2702 2703 static void qla_enable_eft_trace(scsi_qla_host_t *vha) 2704 { 2705 int rval; 2706 struct qla_hw_data *ha = vha->hw; 2707 2708 if (ha->eft) { 2709 memset(ha->eft, 0, EFT_SIZE); 2710 rval = qla2x00_enable_eft_trace(vha, ha->eft_dma, EFT_NUM_BUFFERS); 2711 2712 if (rval) { 2713 ql_log(ql_log_warn, vha, 0x8034, 2714 "Unable to reinitialize EFT (%d).\n", rval); 2715 } 2716 } 2717 } 2718 /* 2719 * qla2x00_initialize_adapter 2720 * Initialize board. 2721 * 2722 * Input: 2723 * ha = adapter block pointer. 2724 * 2725 * Returns: 2726 * 0 = success 2727 */ 2728 int 2729 qla2x00_initialize_adapter(scsi_qla_host_t *vha) 2730 { 2731 int rval; 2732 struct qla_hw_data *ha = vha->hw; 2733 struct req_que *req = ha->req_q_map[0]; 2734 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; 2735 2736 memset(&vha->qla_stats, 0, sizeof(vha->qla_stats)); 2737 memset(&vha->fc_host_stat, 0, sizeof(vha->fc_host_stat)); 2738 2739 /* Clear adapter flags. */ 2740 vha->flags.online = 0; 2741 ha->flags.chip_reset_done = 0; 2742 vha->flags.reset_active = 0; 2743 ha->flags.pci_channel_io_perm_failure = 0; 2744 ha->flags.eeh_busy = 0; 2745 vha->qla_stats.jiffies_at_last_reset = get_jiffies_64(); 2746 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); 2747 atomic_set(&vha->loop_state, LOOP_DOWN); 2748 vha->device_flags = DFLG_NO_CABLE; 2749 vha->dpc_flags = 0; 2750 vha->flags.management_server_logged_in = 0; 2751 vha->marker_needed = 0; 2752 ha->isp_abort_cnt = 0; 2753 ha->beacon_blink_led = 0; 2754 2755 set_bit(0, ha->req_qid_map); 2756 set_bit(0, ha->rsp_qid_map); 2757 2758 ql_dbg(ql_dbg_init, vha, 0x0040, 2759 "Configuring PCI space...\n"); 2760 rval = ha->isp_ops->pci_config(vha); 2761 if (rval) { 2762 ql_log(ql_log_warn, vha, 0x0044, 2763 "Unable to configure PCI space.\n"); 2764 return (rval); 2765 } 2766 2767 ha->isp_ops->reset_chip(vha); 2768 2769 /* Check for secure flash support */ 2770 if (IS_QLA28XX(ha)) { 2771 if (rd_reg_word(®->mailbox12) & BIT_0) 2772 ha->flags.secure_adapter = 1; 2773 ql_log(ql_log_info, vha, 0xffff, "Secure Adapter: %s\n", 2774 (ha->flags.secure_adapter) ? "Yes" : "No"); 2775 } 2776 2777 2778 rval = qla2xxx_get_flash_info(vha); 2779 if (rval) { 2780 ql_log(ql_log_fatal, vha, 0x004f, 2781 "Unable to validate FLASH data.\n"); 2782 return rval; 2783 } 2784 2785 if (IS_QLA8044(ha)) { 2786 qla8044_read_reset_template(vha); 2787 2788 /* NOTE: If ql2xdontresethba==1, set IDC_CTRL DONTRESET_BIT0. 2789 * If DONRESET_BIT0 is set, drivers should not set dev_state 2790 * to NEED_RESET. But if NEED_RESET is set, drivers should 2791 * should honor the reset. */ 2792 if (ql2xdontresethba == 1) 2793 qla8044_set_idc_dontreset(vha); 2794 } 2795 2796 ha->isp_ops->get_flash_version(vha, req->ring); 2797 ql_dbg(ql_dbg_init, vha, 0x0061, 2798 "Configure NVRAM parameters...\n"); 2799 2800 /* Let priority default to FCP, can be overridden by nvram_config */ 2801 ha->fc4_type_priority = FC4_PRIORITY_FCP; 2802 2803 ha->isp_ops->nvram_config(vha); 2804 2805 if (ha->fc4_type_priority != FC4_PRIORITY_FCP && 2806 ha->fc4_type_priority != FC4_PRIORITY_NVME) 2807 ha->fc4_type_priority = FC4_PRIORITY_FCP; 2808 2809 ql_log(ql_log_info, vha, 0xffff, "FC4 priority set to %s\n", 2810 ha->fc4_type_priority == FC4_PRIORITY_FCP ? "FCP" : "NVMe"); 2811 2812 if (ha->flags.disable_serdes) { 2813 /* Mask HBA via NVRAM settings? */ 2814 ql_log(ql_log_info, vha, 0x0077, 2815 "Masking HBA WWPN %8phN (via NVRAM).\n", vha->port_name); 2816 return QLA_FUNCTION_FAILED; 2817 } 2818 2819 ql_dbg(ql_dbg_init, vha, 0x0078, 2820 "Verifying loaded RISC code...\n"); 2821 2822 /* If smartsan enabled then require fdmi and rdp enabled */ 2823 if (ql2xsmartsan) { 2824 ql2xfdmienable = 1; 2825 ql2xrdpenable = 1; 2826 } 2827 2828 if (qla2x00_isp_firmware(vha) != QLA_SUCCESS) { 2829 rval = ha->isp_ops->chip_diag(vha); 2830 if (rval) 2831 return (rval); 2832 rval = qla2x00_setup_chip(vha); 2833 if (rval) 2834 return (rval); 2835 } 2836 2837 if (IS_QLA84XX(ha)) { 2838 ha->cs84xx = qla84xx_get_chip(vha); 2839 if (!ha->cs84xx) { 2840 ql_log(ql_log_warn, vha, 0x00d0, 2841 "Unable to configure ISP84XX.\n"); 2842 return QLA_FUNCTION_FAILED; 2843 } 2844 } 2845 2846 if (qla_ini_mode_enabled(vha) || qla_dual_mode_enabled(vha)) 2847 rval = qla2x00_init_rings(vha); 2848 2849 /* No point in continuing if firmware initialization failed. */ 2850 if (rval != QLA_SUCCESS) 2851 return rval; 2852 2853 ha->flags.chip_reset_done = 1; 2854 2855 if (rval == QLA_SUCCESS && IS_QLA84XX(ha)) { 2856 /* Issue verify 84xx FW IOCB to complete 84xx initialization */ 2857 rval = qla84xx_init_chip(vha); 2858 if (rval != QLA_SUCCESS) { 2859 ql_log(ql_log_warn, vha, 0x00d4, 2860 "Unable to initialize ISP84XX.\n"); 2861 qla84xx_put_chip(vha); 2862 } 2863 } 2864 2865 /* Load the NIC Core f/w if we are the first protocol driver. */ 2866 if (IS_QLA8031(ha)) { 2867 rval = qla83xx_nic_core_fw_load(vha); 2868 if (rval) 2869 ql_log(ql_log_warn, vha, 0x0124, 2870 "Error in initializing NIC Core f/w.\n"); 2871 } 2872 2873 if (IS_QLA24XX_TYPE(ha) || IS_QLA25XX(ha)) 2874 qla24xx_read_fcp_prio_cfg(vha); 2875 2876 if (IS_P3P_TYPE(ha)) 2877 qla82xx_set_driver_version(vha, QLA2XXX_VERSION); 2878 else 2879 qla25xx_set_driver_version(vha, QLA2XXX_VERSION); 2880 2881 return (rval); 2882 } 2883 2884 /** 2885 * qla2100_pci_config() - Setup ISP21xx PCI configuration registers. 2886 * @vha: HA context 2887 * 2888 * Returns 0 on success. 2889 */ 2890 int 2891 qla2100_pci_config(scsi_qla_host_t *vha) 2892 { 2893 uint16_t w; 2894 unsigned long flags; 2895 struct qla_hw_data *ha = vha->hw; 2896 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 2897 2898 pci_set_master(ha->pdev); 2899 pci_try_set_mwi(ha->pdev); 2900 2901 pci_read_config_word(ha->pdev, PCI_COMMAND, &w); 2902 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR); 2903 pci_write_config_word(ha->pdev, PCI_COMMAND, w); 2904 2905 pci_disable_rom(ha->pdev); 2906 2907 /* Get PCI bus information. */ 2908 spin_lock_irqsave(&ha->hardware_lock, flags); 2909 ha->pci_attr = rd_reg_word(®->ctrl_status); 2910 spin_unlock_irqrestore(&ha->hardware_lock, flags); 2911 2912 return QLA_SUCCESS; 2913 } 2914 2915 /** 2916 * qla2300_pci_config() - Setup ISP23xx PCI configuration registers. 2917 * @vha: HA context 2918 * 2919 * Returns 0 on success. 2920 */ 2921 int 2922 qla2300_pci_config(scsi_qla_host_t *vha) 2923 { 2924 uint16_t w; 2925 unsigned long flags = 0; 2926 uint32_t cnt; 2927 struct qla_hw_data *ha = vha->hw; 2928 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 2929 2930 pci_set_master(ha->pdev); 2931 pci_try_set_mwi(ha->pdev); 2932 2933 pci_read_config_word(ha->pdev, PCI_COMMAND, &w); 2934 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR); 2935 2936 if (IS_QLA2322(ha) || IS_QLA6322(ha)) 2937 w &= ~PCI_COMMAND_INTX_DISABLE; 2938 pci_write_config_word(ha->pdev, PCI_COMMAND, w); 2939 2940 /* 2941 * If this is a 2300 card and not 2312, reset the 2942 * COMMAND_INVALIDATE due to a bug in the 2300. Unfortunately, 2943 * the 2310 also reports itself as a 2300 so we need to get the 2944 * fb revision level -- a 6 indicates it really is a 2300 and 2945 * not a 2310. 2946 */ 2947 if (IS_QLA2300(ha)) { 2948 spin_lock_irqsave(&ha->hardware_lock, flags); 2949 2950 /* Pause RISC. */ 2951 wrt_reg_word(®->hccr, HCCR_PAUSE_RISC); 2952 for (cnt = 0; cnt < 30000; cnt++) { 2953 if ((rd_reg_word(®->hccr) & HCCR_RISC_PAUSE) != 0) 2954 break; 2955 2956 udelay(10); 2957 } 2958 2959 /* Select FPM registers. */ 2960 wrt_reg_word(®->ctrl_status, 0x20); 2961 rd_reg_word(®->ctrl_status); 2962 2963 /* Get the fb rev level */ 2964 ha->fb_rev = RD_FB_CMD_REG(ha, reg); 2965 2966 if (ha->fb_rev == FPM_2300) 2967 pci_clear_mwi(ha->pdev); 2968 2969 /* Deselect FPM registers. */ 2970 wrt_reg_word(®->ctrl_status, 0x0); 2971 rd_reg_word(®->ctrl_status); 2972 2973 /* Release RISC module. */ 2974 wrt_reg_word(®->hccr, HCCR_RELEASE_RISC); 2975 for (cnt = 0; cnt < 30000; cnt++) { 2976 if ((rd_reg_word(®->hccr) & HCCR_RISC_PAUSE) == 0) 2977 break; 2978 2979 udelay(10); 2980 } 2981 2982 spin_unlock_irqrestore(&ha->hardware_lock, flags); 2983 } 2984 2985 pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80); 2986 2987 pci_disable_rom(ha->pdev); 2988 2989 /* Get PCI bus information. */ 2990 spin_lock_irqsave(&ha->hardware_lock, flags); 2991 ha->pci_attr = rd_reg_word(®->ctrl_status); 2992 spin_unlock_irqrestore(&ha->hardware_lock, flags); 2993 2994 return QLA_SUCCESS; 2995 } 2996 2997 /** 2998 * qla24xx_pci_config() - Setup ISP24xx PCI configuration registers. 2999 * @vha: HA context 3000 * 3001 * Returns 0 on success. 3002 */ 3003 int 3004 qla24xx_pci_config(scsi_qla_host_t *vha) 3005 { 3006 uint16_t w; 3007 unsigned long flags = 0; 3008 struct qla_hw_data *ha = vha->hw; 3009 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; 3010 3011 pci_set_master(ha->pdev); 3012 pci_try_set_mwi(ha->pdev); 3013 3014 pci_read_config_word(ha->pdev, PCI_COMMAND, &w); 3015 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR); 3016 w &= ~PCI_COMMAND_INTX_DISABLE; 3017 pci_write_config_word(ha->pdev, PCI_COMMAND, w); 3018 3019 pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80); 3020 3021 /* PCI-X -- adjust Maximum Memory Read Byte Count (2048). */ 3022 if (pci_find_capability(ha->pdev, PCI_CAP_ID_PCIX)) 3023 pcix_set_mmrbc(ha->pdev, 2048); 3024 3025 /* PCIe -- adjust Maximum Read Request Size (2048). */ 3026 if (pci_is_pcie(ha->pdev)) 3027 pcie_set_readrq(ha->pdev, 4096); 3028 3029 pci_disable_rom(ha->pdev); 3030 3031 ha->chip_revision = ha->pdev->revision; 3032 3033 /* Get PCI bus information. */ 3034 spin_lock_irqsave(&ha->hardware_lock, flags); 3035 ha->pci_attr = rd_reg_dword(®->ctrl_status); 3036 spin_unlock_irqrestore(&ha->hardware_lock, flags); 3037 3038 return QLA_SUCCESS; 3039 } 3040 3041 /** 3042 * qla25xx_pci_config() - Setup ISP25xx PCI configuration registers. 3043 * @vha: HA context 3044 * 3045 * Returns 0 on success. 3046 */ 3047 int 3048 qla25xx_pci_config(scsi_qla_host_t *vha) 3049 { 3050 uint16_t w; 3051 struct qla_hw_data *ha = vha->hw; 3052 3053 pci_set_master(ha->pdev); 3054 pci_try_set_mwi(ha->pdev); 3055 3056 pci_read_config_word(ha->pdev, PCI_COMMAND, &w); 3057 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR); 3058 w &= ~PCI_COMMAND_INTX_DISABLE; 3059 pci_write_config_word(ha->pdev, PCI_COMMAND, w); 3060 3061 /* PCIe -- adjust Maximum Read Request Size (2048). */ 3062 if (pci_is_pcie(ha->pdev)) 3063 pcie_set_readrq(ha->pdev, 4096); 3064 3065 pci_disable_rom(ha->pdev); 3066 3067 ha->chip_revision = ha->pdev->revision; 3068 3069 return QLA_SUCCESS; 3070 } 3071 3072 /** 3073 * qla2x00_isp_firmware() - Choose firmware image. 3074 * @vha: HA context 3075 * 3076 * Returns 0 on success. 3077 */ 3078 static int 3079 qla2x00_isp_firmware(scsi_qla_host_t *vha) 3080 { 3081 int rval; 3082 uint16_t loop_id, topo, sw_cap; 3083 uint8_t domain, area, al_pa; 3084 struct qla_hw_data *ha = vha->hw; 3085 3086 /* Assume loading risc code */ 3087 rval = QLA_FUNCTION_FAILED; 3088 3089 if (ha->flags.disable_risc_code_load) { 3090 ql_log(ql_log_info, vha, 0x0079, "RISC CODE NOT loaded.\n"); 3091 3092 /* Verify checksum of loaded RISC code. */ 3093 rval = qla2x00_verify_checksum(vha, ha->fw_srisc_address); 3094 if (rval == QLA_SUCCESS) { 3095 /* And, verify we are not in ROM code. */ 3096 rval = qla2x00_get_adapter_id(vha, &loop_id, &al_pa, 3097 &area, &domain, &topo, &sw_cap); 3098 } 3099 } 3100 3101 if (rval) 3102 ql_dbg(ql_dbg_init, vha, 0x007a, 3103 "**** Load RISC code ****.\n"); 3104 3105 return (rval); 3106 } 3107 3108 /** 3109 * qla2x00_reset_chip() - Reset ISP chip. 3110 * @vha: HA context 3111 * 3112 * Returns 0 on success. 3113 */ 3114 int 3115 qla2x00_reset_chip(scsi_qla_host_t *vha) 3116 { 3117 unsigned long flags = 0; 3118 struct qla_hw_data *ha = vha->hw; 3119 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 3120 uint32_t cnt; 3121 uint16_t cmd; 3122 int rval = QLA_FUNCTION_FAILED; 3123 3124 if (unlikely(pci_channel_offline(ha->pdev))) 3125 return rval; 3126 3127 ha->isp_ops->disable_intrs(ha); 3128 3129 spin_lock_irqsave(&ha->hardware_lock, flags); 3130 3131 /* Turn off master enable */ 3132 cmd = 0; 3133 pci_read_config_word(ha->pdev, PCI_COMMAND, &cmd); 3134 cmd &= ~PCI_COMMAND_MASTER; 3135 pci_write_config_word(ha->pdev, PCI_COMMAND, cmd); 3136 3137 if (!IS_QLA2100(ha)) { 3138 /* Pause RISC. */ 3139 wrt_reg_word(®->hccr, HCCR_PAUSE_RISC); 3140 if (IS_QLA2200(ha) || IS_QLA2300(ha)) { 3141 for (cnt = 0; cnt < 30000; cnt++) { 3142 if ((rd_reg_word(®->hccr) & 3143 HCCR_RISC_PAUSE) != 0) 3144 break; 3145 udelay(100); 3146 } 3147 } else { 3148 rd_reg_word(®->hccr); /* PCI Posting. */ 3149 udelay(10); 3150 } 3151 3152 /* Select FPM registers. */ 3153 wrt_reg_word(®->ctrl_status, 0x20); 3154 rd_reg_word(®->ctrl_status); /* PCI Posting. */ 3155 3156 /* FPM Soft Reset. */ 3157 wrt_reg_word(®->fpm_diag_config, 0x100); 3158 rd_reg_word(®->fpm_diag_config); /* PCI Posting. */ 3159 3160 /* Toggle Fpm Reset. */ 3161 if (!IS_QLA2200(ha)) { 3162 wrt_reg_word(®->fpm_diag_config, 0x0); 3163 rd_reg_word(®->fpm_diag_config); /* PCI Posting. */ 3164 } 3165 3166 /* Select frame buffer registers. */ 3167 wrt_reg_word(®->ctrl_status, 0x10); 3168 rd_reg_word(®->ctrl_status); /* PCI Posting. */ 3169 3170 /* Reset frame buffer FIFOs. */ 3171 if (IS_QLA2200(ha)) { 3172 WRT_FB_CMD_REG(ha, reg, 0xa000); 3173 RD_FB_CMD_REG(ha, reg); /* PCI Posting. */ 3174 } else { 3175 WRT_FB_CMD_REG(ha, reg, 0x00fc); 3176 3177 /* Read back fb_cmd until zero or 3 seconds max */ 3178 for (cnt = 0; cnt < 3000; cnt++) { 3179 if ((RD_FB_CMD_REG(ha, reg) & 0xff) == 0) 3180 break; 3181 udelay(100); 3182 } 3183 } 3184 3185 /* Select RISC module registers. */ 3186 wrt_reg_word(®->ctrl_status, 0); 3187 rd_reg_word(®->ctrl_status); /* PCI Posting. */ 3188 3189 /* Reset RISC processor. */ 3190 wrt_reg_word(®->hccr, HCCR_RESET_RISC); 3191 rd_reg_word(®->hccr); /* PCI Posting. */ 3192 3193 /* Release RISC processor. */ 3194 wrt_reg_word(®->hccr, HCCR_RELEASE_RISC); 3195 rd_reg_word(®->hccr); /* PCI Posting. */ 3196 } 3197 3198 wrt_reg_word(®->hccr, HCCR_CLR_RISC_INT); 3199 wrt_reg_word(®->hccr, HCCR_CLR_HOST_INT); 3200 3201 /* Reset ISP chip. */ 3202 wrt_reg_word(®->ctrl_status, CSR_ISP_SOFT_RESET); 3203 3204 /* Wait for RISC to recover from reset. */ 3205 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) { 3206 /* 3207 * It is necessary to for a delay here since the card doesn't 3208 * respond to PCI reads during a reset. On some architectures 3209 * this will result in an MCA. 3210 */ 3211 udelay(20); 3212 for (cnt = 30000; cnt; cnt--) { 3213 if ((rd_reg_word(®->ctrl_status) & 3214 CSR_ISP_SOFT_RESET) == 0) 3215 break; 3216 udelay(100); 3217 } 3218 } else 3219 udelay(10); 3220 3221 /* Reset RISC processor. */ 3222 wrt_reg_word(®->hccr, HCCR_RESET_RISC); 3223 3224 wrt_reg_word(®->semaphore, 0); 3225 3226 /* Release RISC processor. */ 3227 wrt_reg_word(®->hccr, HCCR_RELEASE_RISC); 3228 rd_reg_word(®->hccr); /* PCI Posting. */ 3229 3230 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) { 3231 for (cnt = 0; cnt < 30000; cnt++) { 3232 if (RD_MAILBOX_REG(ha, reg, 0) != MBS_BUSY) 3233 break; 3234 3235 udelay(100); 3236 } 3237 } else 3238 udelay(100); 3239 3240 /* Turn on master enable */ 3241 cmd |= PCI_COMMAND_MASTER; 3242 pci_write_config_word(ha->pdev, PCI_COMMAND, cmd); 3243 3244 /* Disable RISC pause on FPM parity error. */ 3245 if (!IS_QLA2100(ha)) { 3246 wrt_reg_word(®->hccr, HCCR_DISABLE_PARITY_PAUSE); 3247 rd_reg_word(®->hccr); /* PCI Posting. */ 3248 } 3249 3250 spin_unlock_irqrestore(&ha->hardware_lock, flags); 3251 3252 return QLA_SUCCESS; 3253 } 3254 3255 /** 3256 * qla81xx_reset_mpi() - Reset's MPI FW via Write MPI Register MBC. 3257 * @vha: HA context 3258 * 3259 * Returns 0 on success. 3260 */ 3261 static int 3262 qla81xx_reset_mpi(scsi_qla_host_t *vha) 3263 { 3264 uint16_t mb[4] = {0x1010, 0, 1, 0}; 3265 3266 if (!IS_QLA81XX(vha->hw)) 3267 return QLA_SUCCESS; 3268 3269 return qla81xx_write_mpi_register(vha, mb); 3270 } 3271 3272 static int 3273 qla_chk_risc_recovery(scsi_qla_host_t *vha) 3274 { 3275 struct qla_hw_data *ha = vha->hw; 3276 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; 3277 __le16 __iomem *mbptr = ®->mailbox0; 3278 int i; 3279 u16 mb[32]; 3280 int rc = QLA_SUCCESS; 3281 3282 if (!IS_QLA27XX(ha) && !IS_QLA28XX(ha)) 3283 return rc; 3284 3285 /* this check is only valid after RISC reset */ 3286 mb[0] = rd_reg_word(mbptr); 3287 mbptr++; 3288 if (mb[0] == 0xf) { 3289 rc = QLA_FUNCTION_FAILED; 3290 3291 for (i = 1; i < 32; i++) { 3292 mb[i] = rd_reg_word(mbptr); 3293 mbptr++; 3294 } 3295 3296 ql_log(ql_log_warn, vha, 0x1015, 3297 "RISC reset failed. mb[0-7] %04xh %04xh %04xh %04xh %04xh %04xh %04xh %04xh\n", 3298 mb[0], mb[1], mb[2], mb[3], mb[4], mb[5], mb[6], mb[7]); 3299 ql_log(ql_log_warn, vha, 0x1015, 3300 "RISC reset failed. mb[8-15] %04xh %04xh %04xh %04xh %04xh %04xh %04xh %04xh\n", 3301 mb[8], mb[9], mb[10], mb[11], mb[12], mb[13], mb[14], 3302 mb[15]); 3303 ql_log(ql_log_warn, vha, 0x1015, 3304 "RISC reset failed. mb[16-23] %04xh %04xh %04xh %04xh %04xh %04xh %04xh %04xh\n", 3305 mb[16], mb[17], mb[18], mb[19], mb[20], mb[21], mb[22], 3306 mb[23]); 3307 ql_log(ql_log_warn, vha, 0x1015, 3308 "RISC reset failed. mb[24-31] %04xh %04xh %04xh %04xh %04xh %04xh %04xh %04xh\n", 3309 mb[24], mb[25], mb[26], mb[27], mb[28], mb[29], mb[30], 3310 mb[31]); 3311 } 3312 return rc; 3313 } 3314 3315 /** 3316 * qla24xx_reset_risc() - Perform full reset of ISP24xx RISC. 3317 * @vha: HA context 3318 * 3319 * Returns 0 on success. 3320 */ 3321 static inline int 3322 qla24xx_reset_risc(scsi_qla_host_t *vha) 3323 { 3324 unsigned long flags = 0; 3325 struct qla_hw_data *ha = vha->hw; 3326 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; 3327 uint32_t cnt; 3328 uint16_t wd; 3329 static int abts_cnt; /* ISP abort retry counts */ 3330 int rval = QLA_SUCCESS; 3331 int print = 1; 3332 3333 spin_lock_irqsave(&ha->hardware_lock, flags); 3334 3335 /* Reset RISC. */ 3336 wrt_reg_dword(®->ctrl_status, CSRX_DMA_SHUTDOWN|MWB_4096_BYTES); 3337 for (cnt = 0; cnt < 30000; cnt++) { 3338 if ((rd_reg_dword(®->ctrl_status) & CSRX_DMA_ACTIVE) == 0) 3339 break; 3340 3341 udelay(10); 3342 } 3343 3344 if (!(rd_reg_dword(®->ctrl_status) & CSRX_DMA_ACTIVE)) 3345 set_bit(DMA_SHUTDOWN_CMPL, &ha->fw_dump_cap_flags); 3346 3347 ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x017e, 3348 "HCCR: 0x%x, Control Status %x, DMA active status:0x%x\n", 3349 rd_reg_dword(®->hccr), 3350 rd_reg_dword(®->ctrl_status), 3351 (rd_reg_dword(®->ctrl_status) & CSRX_DMA_ACTIVE)); 3352 3353 wrt_reg_dword(®->ctrl_status, 3354 CSRX_ISP_SOFT_RESET|CSRX_DMA_SHUTDOWN|MWB_4096_BYTES); 3355 pci_read_config_word(ha->pdev, PCI_COMMAND, &wd); 3356 3357 udelay(100); 3358 3359 /* Wait for firmware to complete NVRAM accesses. */ 3360 rd_reg_word(®->mailbox0); 3361 for (cnt = 10000; rd_reg_word(®->mailbox0) != 0 && 3362 rval == QLA_SUCCESS; cnt--) { 3363 barrier(); 3364 if (cnt) 3365 udelay(5); 3366 else 3367 rval = QLA_FUNCTION_TIMEOUT; 3368 } 3369 3370 if (rval == QLA_SUCCESS) 3371 set_bit(ISP_MBX_RDY, &ha->fw_dump_cap_flags); 3372 3373 ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x017f, 3374 "HCCR: 0x%x, MailBox0 Status 0x%x\n", 3375 rd_reg_dword(®->hccr), 3376 rd_reg_word(®->mailbox0)); 3377 3378 /* Wait for soft-reset to complete. */ 3379 rd_reg_dword(®->ctrl_status); 3380 for (cnt = 0; cnt < 60; cnt++) { 3381 barrier(); 3382 if ((rd_reg_dword(®->ctrl_status) & 3383 CSRX_ISP_SOFT_RESET) == 0) 3384 break; 3385 3386 udelay(5); 3387 } 3388 if (!(rd_reg_dword(®->ctrl_status) & CSRX_ISP_SOFT_RESET)) 3389 set_bit(ISP_SOFT_RESET_CMPL, &ha->fw_dump_cap_flags); 3390 3391 ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x015d, 3392 "HCCR: 0x%x, Soft Reset status: 0x%x\n", 3393 rd_reg_dword(®->hccr), 3394 rd_reg_dword(®->ctrl_status)); 3395 3396 /* If required, do an MPI FW reset now */ 3397 if (test_and_clear_bit(MPI_RESET_NEEDED, &vha->dpc_flags)) { 3398 if (qla81xx_reset_mpi(vha) != QLA_SUCCESS) { 3399 if (++abts_cnt < 5) { 3400 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 3401 set_bit(MPI_RESET_NEEDED, &vha->dpc_flags); 3402 } else { 3403 /* 3404 * We exhausted the ISP abort retries. We have to 3405 * set the board offline. 3406 */ 3407 abts_cnt = 0; 3408 vha->flags.online = 0; 3409 } 3410 } 3411 } 3412 3413 wrt_reg_dword(®->hccr, HCCRX_SET_RISC_RESET); 3414 rd_reg_dword(®->hccr); 3415 3416 wrt_reg_dword(®->hccr, HCCRX_REL_RISC_PAUSE); 3417 rd_reg_dword(®->hccr); 3418 3419 wrt_reg_dword(®->hccr, HCCRX_CLR_RISC_RESET); 3420 mdelay(10); 3421 rd_reg_dword(®->hccr); 3422 3423 wd = rd_reg_word(®->mailbox0); 3424 for (cnt = 300; wd != 0 && rval == QLA_SUCCESS; cnt--) { 3425 barrier(); 3426 if (cnt) { 3427 mdelay(1); 3428 if (print && qla_chk_risc_recovery(vha)) 3429 print = 0; 3430 3431 wd = rd_reg_word(®->mailbox0); 3432 } else { 3433 rval = QLA_FUNCTION_TIMEOUT; 3434 3435 ql_log(ql_log_warn, vha, 0x015e, 3436 "RISC reset timeout\n"); 3437 } 3438 } 3439 3440 if (rval == QLA_SUCCESS) 3441 set_bit(RISC_RDY_AFT_RESET, &ha->fw_dump_cap_flags); 3442 3443 ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x015e, 3444 "Host Risc 0x%x, mailbox0 0x%x\n", 3445 rd_reg_dword(®->hccr), 3446 rd_reg_word(®->mailbox0)); 3447 3448 spin_unlock_irqrestore(&ha->hardware_lock, flags); 3449 3450 ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x015f, 3451 "Driver in %s mode\n", 3452 IS_NOPOLLING_TYPE(ha) ? "Interrupt" : "Polling"); 3453 3454 if (IS_NOPOLLING_TYPE(ha)) 3455 ha->isp_ops->enable_intrs(ha); 3456 3457 return rval; 3458 } 3459 3460 static void 3461 qla25xx_read_risc_sema_reg(scsi_qla_host_t *vha, uint32_t *data) 3462 { 3463 struct device_reg_24xx __iomem *reg = &vha->hw->iobase->isp24; 3464 3465 wrt_reg_dword(®->iobase_addr, RISC_REGISTER_BASE_OFFSET); 3466 *data = rd_reg_dword(®->iobase_window + RISC_REGISTER_WINDOW_OFFSET); 3467 } 3468 3469 static void 3470 qla25xx_write_risc_sema_reg(scsi_qla_host_t *vha, uint32_t data) 3471 { 3472 struct device_reg_24xx __iomem *reg = &vha->hw->iobase->isp24; 3473 3474 wrt_reg_dword(®->iobase_addr, RISC_REGISTER_BASE_OFFSET); 3475 wrt_reg_dword(®->iobase_window + RISC_REGISTER_WINDOW_OFFSET, data); 3476 } 3477 3478 static void 3479 qla25xx_manipulate_risc_semaphore(scsi_qla_host_t *vha) 3480 { 3481 uint32_t wd32 = 0; 3482 uint delta_msec = 100; 3483 uint elapsed_msec = 0; 3484 uint timeout_msec; 3485 ulong n; 3486 3487 if (vha->hw->pdev->subsystem_device != 0x0175 && 3488 vha->hw->pdev->subsystem_device != 0x0240) 3489 return; 3490 3491 wrt_reg_dword(&vha->hw->iobase->isp24.hccr, HCCRX_SET_RISC_PAUSE); 3492 udelay(100); 3493 3494 attempt: 3495 timeout_msec = TIMEOUT_SEMAPHORE; 3496 n = timeout_msec / delta_msec; 3497 while (n--) { 3498 qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_SET); 3499 qla25xx_read_risc_sema_reg(vha, &wd32); 3500 if (wd32 & RISC_SEMAPHORE) 3501 break; 3502 msleep(delta_msec); 3503 elapsed_msec += delta_msec; 3504 if (elapsed_msec > TIMEOUT_TOTAL_ELAPSED) 3505 goto force; 3506 } 3507 3508 if (!(wd32 & RISC_SEMAPHORE)) 3509 goto force; 3510 3511 if (!(wd32 & RISC_SEMAPHORE_FORCE)) 3512 goto acquired; 3513 3514 qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_CLR); 3515 timeout_msec = TIMEOUT_SEMAPHORE_FORCE; 3516 n = timeout_msec / delta_msec; 3517 while (n--) { 3518 qla25xx_read_risc_sema_reg(vha, &wd32); 3519 if (!(wd32 & RISC_SEMAPHORE_FORCE)) 3520 break; 3521 msleep(delta_msec); 3522 elapsed_msec += delta_msec; 3523 if (elapsed_msec > TIMEOUT_TOTAL_ELAPSED) 3524 goto force; 3525 } 3526 3527 if (wd32 & RISC_SEMAPHORE_FORCE) 3528 qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_FORCE_CLR); 3529 3530 goto attempt; 3531 3532 force: 3533 qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_FORCE_SET); 3534 3535 acquired: 3536 return; 3537 } 3538 3539 /** 3540 * qla24xx_reset_chip() - Reset ISP24xx chip. 3541 * @vha: HA context 3542 * 3543 * Returns 0 on success. 3544 */ 3545 int 3546 qla24xx_reset_chip(scsi_qla_host_t *vha) 3547 { 3548 struct qla_hw_data *ha = vha->hw; 3549 int rval = QLA_FUNCTION_FAILED; 3550 3551 if (pci_channel_offline(ha->pdev) && 3552 ha->flags.pci_channel_io_perm_failure) { 3553 return rval; 3554 } 3555 3556 ha->isp_ops->disable_intrs(ha); 3557 3558 qla25xx_manipulate_risc_semaphore(vha); 3559 3560 /* Perform RISC reset. */ 3561 rval = qla24xx_reset_risc(vha); 3562 3563 return rval; 3564 } 3565 3566 /** 3567 * qla2x00_chip_diag() - Test chip for proper operation. 3568 * @vha: HA context 3569 * 3570 * Returns 0 on success. 3571 */ 3572 int 3573 qla2x00_chip_diag(scsi_qla_host_t *vha) 3574 { 3575 int rval; 3576 struct qla_hw_data *ha = vha->hw; 3577 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 3578 unsigned long flags = 0; 3579 uint16_t data; 3580 uint32_t cnt; 3581 uint16_t mb[5]; 3582 struct req_que *req = ha->req_q_map[0]; 3583 3584 /* Assume a failed state */ 3585 rval = QLA_FUNCTION_FAILED; 3586 3587 ql_dbg(ql_dbg_init, vha, 0x007b, "Testing device at %p.\n", 3588 ®->flash_address); 3589 3590 spin_lock_irqsave(&ha->hardware_lock, flags); 3591 3592 /* Reset ISP chip. */ 3593 wrt_reg_word(®->ctrl_status, CSR_ISP_SOFT_RESET); 3594 3595 /* 3596 * We need to have a delay here since the card will not respond while 3597 * in reset causing an MCA on some architectures. 3598 */ 3599 udelay(20); 3600 data = qla2x00_debounce_register(®->ctrl_status); 3601 for (cnt = 6000000 ; cnt && (data & CSR_ISP_SOFT_RESET); cnt--) { 3602 udelay(5); 3603 data = rd_reg_word(®->ctrl_status); 3604 barrier(); 3605 } 3606 3607 if (!cnt) 3608 goto chip_diag_failed; 3609 3610 ql_dbg(ql_dbg_init, vha, 0x007c, 3611 "Reset register cleared by chip reset.\n"); 3612 3613 /* Reset RISC processor. */ 3614 wrt_reg_word(®->hccr, HCCR_RESET_RISC); 3615 wrt_reg_word(®->hccr, HCCR_RELEASE_RISC); 3616 3617 /* Workaround for QLA2312 PCI parity error */ 3618 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) { 3619 data = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 0)); 3620 for (cnt = 6000000; cnt && (data == MBS_BUSY); cnt--) { 3621 udelay(5); 3622 data = RD_MAILBOX_REG(ha, reg, 0); 3623 barrier(); 3624 } 3625 } else 3626 udelay(10); 3627 3628 if (!cnt) 3629 goto chip_diag_failed; 3630 3631 /* Check product ID of chip */ 3632 ql_dbg(ql_dbg_init, vha, 0x007d, "Checking product ID of chip.\n"); 3633 3634 mb[1] = RD_MAILBOX_REG(ha, reg, 1); 3635 mb[2] = RD_MAILBOX_REG(ha, reg, 2); 3636 mb[3] = RD_MAILBOX_REG(ha, reg, 3); 3637 mb[4] = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 4)); 3638 if (mb[1] != PROD_ID_1 || (mb[2] != PROD_ID_2 && mb[2] != PROD_ID_2a) || 3639 mb[3] != PROD_ID_3) { 3640 ql_log(ql_log_warn, vha, 0x0062, 3641 "Wrong product ID = 0x%x,0x%x,0x%x.\n", 3642 mb[1], mb[2], mb[3]); 3643 3644 goto chip_diag_failed; 3645 } 3646 ha->product_id[0] = mb[1]; 3647 ha->product_id[1] = mb[2]; 3648 ha->product_id[2] = mb[3]; 3649 ha->product_id[3] = mb[4]; 3650 3651 /* Adjust fw RISC transfer size */ 3652 if (req->length > 1024) 3653 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024; 3654 else 3655 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 3656 req->length; 3657 3658 if (IS_QLA2200(ha) && 3659 RD_MAILBOX_REG(ha, reg, 7) == QLA2200A_RISC_ROM_VER) { 3660 /* Limit firmware transfer size with a 2200A */ 3661 ql_dbg(ql_dbg_init, vha, 0x007e, "Found QLA2200A Chip.\n"); 3662 3663 ha->device_type |= DT_ISP2200A; 3664 ha->fw_transfer_size = 128; 3665 } 3666 3667 /* Wrap Incoming Mailboxes Test. */ 3668 spin_unlock_irqrestore(&ha->hardware_lock, flags); 3669 3670 ql_dbg(ql_dbg_init, vha, 0x007f, "Checking mailboxes.\n"); 3671 rval = qla2x00_mbx_reg_test(vha); 3672 if (rval) 3673 ql_log(ql_log_warn, vha, 0x0080, 3674 "Failed mailbox send register test.\n"); 3675 else 3676 /* Flag a successful rval */ 3677 rval = QLA_SUCCESS; 3678 spin_lock_irqsave(&ha->hardware_lock, flags); 3679 3680 chip_diag_failed: 3681 if (rval) 3682 ql_log(ql_log_info, vha, 0x0081, 3683 "Chip diagnostics **** FAILED ****.\n"); 3684 3685 spin_unlock_irqrestore(&ha->hardware_lock, flags); 3686 3687 return (rval); 3688 } 3689 3690 /** 3691 * qla24xx_chip_diag() - Test ISP24xx for proper operation. 3692 * @vha: HA context 3693 * 3694 * Returns 0 on success. 3695 */ 3696 int 3697 qla24xx_chip_diag(scsi_qla_host_t *vha) 3698 { 3699 int rval; 3700 struct qla_hw_data *ha = vha->hw; 3701 struct req_que *req = ha->req_q_map[0]; 3702 3703 if (IS_P3P_TYPE(ha)) 3704 return QLA_SUCCESS; 3705 3706 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * req->length; 3707 3708 rval = qla2x00_mbx_reg_test(vha); 3709 if (rval) { 3710 ql_log(ql_log_warn, vha, 0x0082, 3711 "Failed mailbox send register test.\n"); 3712 } else { 3713 /* Flag a successful rval */ 3714 rval = QLA_SUCCESS; 3715 } 3716 3717 return rval; 3718 } 3719 3720 static void 3721 qla2x00_alloc_fce_trace(scsi_qla_host_t *vha) 3722 { 3723 dma_addr_t tc_dma; 3724 void *tc; 3725 struct qla_hw_data *ha = vha->hw; 3726 3727 if (!IS_FWI2_CAPABLE(ha)) 3728 return; 3729 3730 if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha) && !IS_QLA83XX(ha) && 3731 !IS_QLA27XX(ha) && !IS_QLA28XX(ha)) 3732 return; 3733 3734 if (ha->fce) { 3735 ql_dbg(ql_dbg_init, vha, 0x00bd, 3736 "%s: FCE Mem is already allocated.\n", 3737 __func__); 3738 return; 3739 } 3740 3741 /* Allocate memory for Fibre Channel Event Buffer. */ 3742 tc = dma_alloc_coherent(&ha->pdev->dev, FCE_SIZE, &tc_dma, 3743 GFP_KERNEL); 3744 if (!tc) { 3745 ql_log(ql_log_warn, vha, 0x00be, 3746 "Unable to allocate (%d KB) for FCE.\n", 3747 FCE_SIZE / 1024); 3748 return; 3749 } 3750 3751 ql_dbg(ql_dbg_init, vha, 0x00c0, 3752 "Allocated (%d KB) for FCE...\n", FCE_SIZE / 1024); 3753 3754 ha->fce_dma = tc_dma; 3755 ha->fce = tc; 3756 ha->fce_bufs = FCE_NUM_BUFFERS; 3757 } 3758 3759 static void 3760 qla2x00_alloc_eft_trace(scsi_qla_host_t *vha) 3761 { 3762 dma_addr_t tc_dma; 3763 void *tc; 3764 struct qla_hw_data *ha = vha->hw; 3765 3766 if (!IS_FWI2_CAPABLE(ha)) 3767 return; 3768 3769 if (ha->eft) { 3770 ql_dbg(ql_dbg_init, vha, 0x00bd, 3771 "%s: EFT Mem is already allocated.\n", 3772 __func__); 3773 return; 3774 } 3775 3776 /* Allocate memory for Extended Trace Buffer. */ 3777 tc = dma_alloc_coherent(&ha->pdev->dev, EFT_SIZE, &tc_dma, 3778 GFP_KERNEL); 3779 if (!tc) { 3780 ql_log(ql_log_warn, vha, 0x00c1, 3781 "Unable to allocate (%d KB) for EFT.\n", 3782 EFT_SIZE / 1024); 3783 return; 3784 } 3785 3786 ql_dbg(ql_dbg_init, vha, 0x00c3, 3787 "Allocated (%d KB) EFT ...\n", EFT_SIZE / 1024); 3788 3789 ha->eft_dma = tc_dma; 3790 ha->eft = tc; 3791 } 3792 3793 void 3794 qla2x00_alloc_fw_dump(scsi_qla_host_t *vha) 3795 { 3796 uint32_t dump_size, fixed_size, mem_size, req_q_size, rsp_q_size, 3797 eft_size, fce_size, mq_size; 3798 struct qla_hw_data *ha = vha->hw; 3799 struct req_que *req = ha->req_q_map[0]; 3800 struct rsp_que *rsp = ha->rsp_q_map[0]; 3801 struct qla2xxx_fw_dump *fw_dump; 3802 3803 if (ha->fw_dump) { 3804 ql_dbg(ql_dbg_init, vha, 0x00bd, 3805 "Firmware dump already allocated.\n"); 3806 return; 3807 } 3808 3809 ha->fw_dumped = 0; 3810 ha->fw_dump_cap_flags = 0; 3811 dump_size = fixed_size = mem_size = eft_size = fce_size = mq_size = 0; 3812 req_q_size = rsp_q_size = 0; 3813 3814 if (IS_QLA2100(ha) || IS_QLA2200(ha)) { 3815 fixed_size = sizeof(struct qla2100_fw_dump); 3816 } else if (IS_QLA23XX(ha)) { 3817 fixed_size = offsetof(struct qla2300_fw_dump, data_ram); 3818 mem_size = (ha->fw_memory_size - 0x11000 + 1) * 3819 sizeof(uint16_t); 3820 } else if (IS_FWI2_CAPABLE(ha)) { 3821 if (IS_QLA83XX(ha)) 3822 fixed_size = offsetof(struct qla83xx_fw_dump, ext_mem); 3823 else if (IS_QLA81XX(ha)) 3824 fixed_size = offsetof(struct qla81xx_fw_dump, ext_mem); 3825 else if (IS_QLA25XX(ha)) 3826 fixed_size = offsetof(struct qla25xx_fw_dump, ext_mem); 3827 else 3828 fixed_size = offsetof(struct qla24xx_fw_dump, ext_mem); 3829 3830 mem_size = (ha->fw_memory_size - 0x100000 + 1) * 3831 sizeof(uint32_t); 3832 if (ha->mqenable) { 3833 if (!IS_QLA83XX(ha)) 3834 mq_size = sizeof(struct qla2xxx_mq_chain); 3835 /* 3836 * Allocate maximum buffer size for all queues - Q0. 3837 * Resizing must be done at end-of-dump processing. 3838 */ 3839 mq_size += (ha->max_req_queues - 1) * 3840 (req->length * sizeof(request_t)); 3841 mq_size += (ha->max_rsp_queues - 1) * 3842 (rsp->length * sizeof(response_t)); 3843 } 3844 if (ha->tgt.atio_ring) 3845 mq_size += ha->tgt.atio_q_length * sizeof(request_t); 3846 3847 qla2x00_alloc_fce_trace(vha); 3848 if (ha->fce) 3849 fce_size = sizeof(struct qla2xxx_fce_chain) + FCE_SIZE; 3850 qla2x00_alloc_eft_trace(vha); 3851 if (ha->eft) 3852 eft_size = EFT_SIZE; 3853 } 3854 3855 if (IS_QLA27XX(ha) || IS_QLA28XX(ha)) { 3856 struct fwdt *fwdt = ha->fwdt; 3857 uint j; 3858 3859 for (j = 0; j < 2; j++, fwdt++) { 3860 if (!fwdt->template) { 3861 ql_dbg(ql_dbg_init, vha, 0x00ba, 3862 "-> fwdt%u no template\n", j); 3863 continue; 3864 } 3865 ql_dbg(ql_dbg_init, vha, 0x00fa, 3866 "-> fwdt%u calculating fwdump size...\n", j); 3867 fwdt->dump_size = qla27xx_fwdt_calculate_dump_size( 3868 vha, fwdt->template); 3869 ql_dbg(ql_dbg_init, vha, 0x00fa, 3870 "-> fwdt%u calculated fwdump size = %#lx bytes\n", 3871 j, fwdt->dump_size); 3872 dump_size += fwdt->dump_size; 3873 } 3874 /* Add space for spare MPI fw dump. */ 3875 dump_size += ha->fwdt[1].dump_size; 3876 } else { 3877 req_q_size = req->length * sizeof(request_t); 3878 rsp_q_size = rsp->length * sizeof(response_t); 3879 dump_size = offsetof(struct qla2xxx_fw_dump, isp); 3880 dump_size += fixed_size + mem_size + req_q_size + rsp_q_size 3881 + eft_size; 3882 ha->chain_offset = dump_size; 3883 dump_size += mq_size + fce_size; 3884 if (ha->exchoffld_buf) 3885 dump_size += sizeof(struct qla2xxx_offld_chain) + 3886 ha->exchoffld_size; 3887 if (ha->exlogin_buf) 3888 dump_size += sizeof(struct qla2xxx_offld_chain) + 3889 ha->exlogin_size; 3890 } 3891 3892 if (!ha->fw_dump_len || dump_size > ha->fw_dump_alloc_len) { 3893 3894 ql_dbg(ql_dbg_init, vha, 0x00c5, 3895 "%s dump_size %d fw_dump_len %d fw_dump_alloc_len %d\n", 3896 __func__, dump_size, ha->fw_dump_len, 3897 ha->fw_dump_alloc_len); 3898 3899 fw_dump = vmalloc(dump_size); 3900 if (!fw_dump) { 3901 ql_log(ql_log_warn, vha, 0x00c4, 3902 "Unable to allocate (%d KB) for firmware dump.\n", 3903 dump_size / 1024); 3904 } else { 3905 mutex_lock(&ha->optrom_mutex); 3906 if (ha->fw_dumped) { 3907 memcpy(fw_dump, ha->fw_dump, ha->fw_dump_len); 3908 vfree(ha->fw_dump); 3909 ha->fw_dump = fw_dump; 3910 ha->fw_dump_alloc_len = dump_size; 3911 ql_dbg(ql_dbg_init, vha, 0x00c5, 3912 "Re-Allocated (%d KB) and save firmware dump.\n", 3913 dump_size / 1024); 3914 } else { 3915 vfree(ha->fw_dump); 3916 ha->fw_dump = fw_dump; 3917 3918 ha->fw_dump_len = ha->fw_dump_alloc_len = 3919 dump_size; 3920 ql_dbg(ql_dbg_init, vha, 0x00c5, 3921 "Allocated (%d KB) for firmware dump.\n", 3922 dump_size / 1024); 3923 3924 if (IS_QLA27XX(ha) || IS_QLA28XX(ha)) { 3925 ha->mpi_fw_dump = (char *)fw_dump + 3926 ha->fwdt[1].dump_size; 3927 mutex_unlock(&ha->optrom_mutex); 3928 return; 3929 } 3930 3931 ha->fw_dump->signature[0] = 'Q'; 3932 ha->fw_dump->signature[1] = 'L'; 3933 ha->fw_dump->signature[2] = 'G'; 3934 ha->fw_dump->signature[3] = 'C'; 3935 ha->fw_dump->version = htonl(1); 3936 3937 ha->fw_dump->fixed_size = htonl(fixed_size); 3938 ha->fw_dump->mem_size = htonl(mem_size); 3939 ha->fw_dump->req_q_size = htonl(req_q_size); 3940 ha->fw_dump->rsp_q_size = htonl(rsp_q_size); 3941 3942 ha->fw_dump->eft_size = htonl(eft_size); 3943 ha->fw_dump->eft_addr_l = 3944 htonl(LSD(ha->eft_dma)); 3945 ha->fw_dump->eft_addr_h = 3946 htonl(MSD(ha->eft_dma)); 3947 3948 ha->fw_dump->header_size = 3949 htonl(offsetof 3950 (struct qla2xxx_fw_dump, isp)); 3951 } 3952 mutex_unlock(&ha->optrom_mutex); 3953 } 3954 } 3955 } 3956 3957 static int 3958 qla81xx_mpi_sync(scsi_qla_host_t *vha) 3959 { 3960 #define MPS_MASK 0xe0 3961 int rval; 3962 uint16_t dc; 3963 uint32_t dw; 3964 3965 if (!IS_QLA81XX(vha->hw)) 3966 return QLA_SUCCESS; 3967 3968 rval = qla2x00_write_ram_word(vha, 0x7c00, 1); 3969 if (rval != QLA_SUCCESS) { 3970 ql_log(ql_log_warn, vha, 0x0105, 3971 "Unable to acquire semaphore.\n"); 3972 goto done; 3973 } 3974 3975 pci_read_config_word(vha->hw->pdev, 0x54, &dc); 3976 rval = qla2x00_read_ram_word(vha, 0x7a15, &dw); 3977 if (rval != QLA_SUCCESS) { 3978 ql_log(ql_log_warn, vha, 0x0067, "Unable to read sync.\n"); 3979 goto done_release; 3980 } 3981 3982 dc &= MPS_MASK; 3983 if (dc == (dw & MPS_MASK)) 3984 goto done_release; 3985 3986 dw &= ~MPS_MASK; 3987 dw |= dc; 3988 rval = qla2x00_write_ram_word(vha, 0x7a15, dw); 3989 if (rval != QLA_SUCCESS) { 3990 ql_log(ql_log_warn, vha, 0x0114, "Unable to gain sync.\n"); 3991 } 3992 3993 done_release: 3994 rval = qla2x00_write_ram_word(vha, 0x7c00, 0); 3995 if (rval != QLA_SUCCESS) { 3996 ql_log(ql_log_warn, vha, 0x006d, 3997 "Unable to release semaphore.\n"); 3998 } 3999 4000 done: 4001 return rval; 4002 } 4003 4004 int 4005 qla2x00_alloc_outstanding_cmds(struct qla_hw_data *ha, struct req_que *req) 4006 { 4007 /* Don't try to reallocate the array */ 4008 if (req->outstanding_cmds) 4009 return QLA_SUCCESS; 4010 4011 if (!IS_FWI2_CAPABLE(ha)) 4012 req->num_outstanding_cmds = DEFAULT_OUTSTANDING_COMMANDS; 4013 else { 4014 if (ha->cur_fw_xcb_count <= ha->cur_fw_iocb_count) 4015 req->num_outstanding_cmds = ha->cur_fw_xcb_count; 4016 else 4017 req->num_outstanding_cmds = ha->cur_fw_iocb_count; 4018 } 4019 4020 req->outstanding_cmds = kcalloc(req->num_outstanding_cmds, 4021 sizeof(srb_t *), 4022 GFP_KERNEL); 4023 4024 if (!req->outstanding_cmds) { 4025 /* 4026 * Try to allocate a minimal size just so we can get through 4027 * initialization. 4028 */ 4029 req->num_outstanding_cmds = MIN_OUTSTANDING_COMMANDS; 4030 req->outstanding_cmds = kcalloc(req->num_outstanding_cmds, 4031 sizeof(srb_t *), 4032 GFP_KERNEL); 4033 4034 if (!req->outstanding_cmds) { 4035 ql_log(ql_log_fatal, NULL, 0x0126, 4036 "Failed to allocate memory for " 4037 "outstanding_cmds for req_que %p.\n", req); 4038 req->num_outstanding_cmds = 0; 4039 return QLA_FUNCTION_FAILED; 4040 } 4041 } 4042 4043 return QLA_SUCCESS; 4044 } 4045 4046 #define PRINT_FIELD(_field, _flag, _str) { \ 4047 if (a0->_field & _flag) {\ 4048 if (p) {\ 4049 strcat(ptr, "|");\ 4050 ptr++;\ 4051 leftover--;\ 4052 } \ 4053 len = snprintf(ptr, leftover, "%s", _str); \ 4054 p = 1;\ 4055 leftover -= len;\ 4056 ptr += len; \ 4057 } \ 4058 } 4059 4060 static void qla2xxx_print_sfp_info(struct scsi_qla_host *vha) 4061 { 4062 #define STR_LEN 64 4063 struct sff_8247_a0 *a0 = (struct sff_8247_a0 *)vha->hw->sfp_data; 4064 u8 str[STR_LEN], *ptr, p; 4065 int leftover, len; 4066 4067 memset(str, 0, STR_LEN); 4068 snprintf(str, SFF_VEN_NAME_LEN+1, a0->vendor_name); 4069 ql_dbg(ql_dbg_init, vha, 0x015a, 4070 "SFP MFG Name: %s\n", str); 4071 4072 memset(str, 0, STR_LEN); 4073 snprintf(str, SFF_PART_NAME_LEN+1, a0->vendor_pn); 4074 ql_dbg(ql_dbg_init, vha, 0x015c, 4075 "SFP Part Name: %s\n", str); 4076 4077 /* media */ 4078 memset(str, 0, STR_LEN); 4079 ptr = str; 4080 leftover = STR_LEN; 4081 p = len = 0; 4082 PRINT_FIELD(fc_med_cc9, FC_MED_TW, "Twin AX"); 4083 PRINT_FIELD(fc_med_cc9, FC_MED_TP, "Twisted Pair"); 4084 PRINT_FIELD(fc_med_cc9, FC_MED_MI, "Min Coax"); 4085 PRINT_FIELD(fc_med_cc9, FC_MED_TV, "Video Coax"); 4086 PRINT_FIELD(fc_med_cc9, FC_MED_M6, "MultiMode 62.5um"); 4087 PRINT_FIELD(fc_med_cc9, FC_MED_M5, "MultiMode 50um"); 4088 PRINT_FIELD(fc_med_cc9, FC_MED_SM, "SingleMode"); 4089 ql_dbg(ql_dbg_init, vha, 0x0160, 4090 "SFP Media: %s\n", str); 4091 4092 /* link length */ 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_VL, "Very Long"); 4098 PRINT_FIELD(fc_ll_cc7, FC_LL_S, "Short"); 4099 PRINT_FIELD(fc_ll_cc7, FC_LL_I, "Intermediate"); 4100 PRINT_FIELD(fc_ll_cc7, FC_LL_L, "Long"); 4101 PRINT_FIELD(fc_ll_cc7, FC_LL_M, "Medium"); 4102 ql_dbg(ql_dbg_init, vha, 0x0196, 4103 "SFP Link Length: %s\n", str); 4104 4105 memset(str, 0, STR_LEN); 4106 ptr = str; 4107 leftover = STR_LEN; 4108 p = len = 0; 4109 PRINT_FIELD(fc_ll_cc7, FC_LL_SA, "Short Wave (SA)"); 4110 PRINT_FIELD(fc_ll_cc7, FC_LL_LC, "Long Wave(LC)"); 4111 PRINT_FIELD(fc_tec_cc8, FC_TEC_SN, "Short Wave (SN)"); 4112 PRINT_FIELD(fc_tec_cc8, FC_TEC_SL, "Short Wave (SL)"); 4113 PRINT_FIELD(fc_tec_cc8, FC_TEC_LL, "Long Wave (LL)"); 4114 ql_dbg(ql_dbg_init, vha, 0x016e, 4115 "SFP FC Link Tech: %s\n", str); 4116 4117 if (a0->length_km) 4118 ql_dbg(ql_dbg_init, vha, 0x016f, 4119 "SFP Distant: %d km\n", a0->length_km); 4120 if (a0->length_100m) 4121 ql_dbg(ql_dbg_init, vha, 0x0170, 4122 "SFP Distant: %d m\n", a0->length_100m*100); 4123 if (a0->length_50um_10m) 4124 ql_dbg(ql_dbg_init, vha, 0x0189, 4125 "SFP Distant (WL=50um): %d m\n", a0->length_50um_10m * 10); 4126 if (a0->length_62um_10m) 4127 ql_dbg(ql_dbg_init, vha, 0x018a, 4128 "SFP Distant (WL=62.5um): %d m\n", a0->length_62um_10m * 10); 4129 if (a0->length_om4_10m) 4130 ql_dbg(ql_dbg_init, vha, 0x0194, 4131 "SFP Distant (OM4): %d m\n", a0->length_om4_10m * 10); 4132 if (a0->length_om3_10m) 4133 ql_dbg(ql_dbg_init, vha, 0x0195, 4134 "SFP Distant (OM3): %d m\n", a0->length_om3_10m * 10); 4135 } 4136 4137 4138 /** 4139 * qla24xx_detect_sfp() 4140 * 4141 * @vha: adapter state pointer. 4142 * 4143 * @return 4144 * 0 -- Configure firmware to use short-range settings -- normal 4145 * buffer-to-buffer credits. 4146 * 4147 * 1 -- Configure firmware to use long-range settings -- extra 4148 * buffer-to-buffer credits should be allocated with 4149 * ha->lr_distance containing distance settings from NVRAM or SFP 4150 * (if supported). 4151 */ 4152 int 4153 qla24xx_detect_sfp(scsi_qla_host_t *vha) 4154 { 4155 int rc, used_nvram; 4156 struct sff_8247_a0 *a; 4157 struct qla_hw_data *ha = vha->hw; 4158 struct nvram_81xx *nv = ha->nvram; 4159 #define LR_DISTANCE_UNKNOWN 2 4160 static const char * const types[] = { "Short", "Long" }; 4161 static const char * const lengths[] = { "(10km)", "(5km)", "" }; 4162 u8 ll = 0; 4163 4164 /* Seed with NVRAM settings. */ 4165 used_nvram = 0; 4166 ha->flags.lr_detected = 0; 4167 if (IS_BPM_RANGE_CAPABLE(ha) && 4168 (nv->enhanced_features & NEF_LR_DIST_ENABLE)) { 4169 used_nvram = 1; 4170 ha->flags.lr_detected = 1; 4171 ha->lr_distance = 4172 (nv->enhanced_features >> LR_DIST_NV_POS) 4173 & LR_DIST_NV_MASK; 4174 } 4175 4176 if (!IS_BPM_ENABLED(vha)) 4177 goto out; 4178 /* Determine SR/LR capabilities of SFP/Transceiver. */ 4179 rc = qla2x00_read_sfp_dev(vha, NULL, 0); 4180 if (rc) 4181 goto out; 4182 4183 used_nvram = 0; 4184 a = (struct sff_8247_a0 *)vha->hw->sfp_data; 4185 qla2xxx_print_sfp_info(vha); 4186 4187 ha->flags.lr_detected = 0; 4188 ll = a->fc_ll_cc7; 4189 if (ll & FC_LL_VL || ll & FC_LL_L) { 4190 /* Long range, track length. */ 4191 ha->flags.lr_detected = 1; 4192 4193 if (a->length_km > 5 || a->length_100m > 50) 4194 ha->lr_distance = LR_DISTANCE_10K; 4195 else 4196 ha->lr_distance = LR_DISTANCE_5K; 4197 } 4198 4199 out: 4200 ql_dbg(ql_dbg_async, vha, 0x507b, 4201 "SFP detect: %s-Range SFP %s (nvr=%x ll=%x lr=%x lrd=%x).\n", 4202 types[ha->flags.lr_detected], 4203 ha->flags.lr_detected ? lengths[ha->lr_distance] : 4204 lengths[LR_DISTANCE_UNKNOWN], 4205 used_nvram, ll, ha->flags.lr_detected, ha->lr_distance); 4206 return ha->flags.lr_detected; 4207 } 4208 4209 static void __qla_adjust_iocb_limit(struct qla_qpair *qpair) 4210 { 4211 u8 num_qps; 4212 u16 limit; 4213 struct qla_hw_data *ha = qpair->vha->hw; 4214 4215 num_qps = ha->num_qpairs + 1; 4216 limit = (ha->orig_fw_iocb_count * QLA_IOCB_PCT_LIMIT) / 100; 4217 4218 qpair->fwres.iocbs_total = ha->orig_fw_iocb_count; 4219 qpair->fwres.iocbs_limit = limit; 4220 qpair->fwres.iocbs_qp_limit = limit / num_qps; 4221 4222 qpair->fwres.exch_total = ha->orig_fw_xcb_count; 4223 qpair->fwres.exch_limit = (ha->orig_fw_xcb_count * 4224 QLA_IOCB_PCT_LIMIT) / 100; 4225 } 4226 4227 void qla_init_iocb_limit(scsi_qla_host_t *vha) 4228 { 4229 u8 i; 4230 struct qla_hw_data *ha = vha->hw; 4231 4232 __qla_adjust_iocb_limit(ha->base_qpair); 4233 ha->base_qpair->fwres.iocbs_used = 0; 4234 ha->base_qpair->fwres.exch_used = 0; 4235 4236 for (i = 0; i < ha->max_qpairs; i++) { 4237 if (ha->queue_pair_map[i]) { 4238 __qla_adjust_iocb_limit(ha->queue_pair_map[i]); 4239 ha->queue_pair_map[i]->fwres.iocbs_used = 0; 4240 ha->queue_pair_map[i]->fwres.exch_used = 0; 4241 } 4242 } 4243 4244 ha->fwres.iocb_total = ha->orig_fw_iocb_count; 4245 ha->fwres.iocb_limit = (ha->orig_fw_iocb_count * QLA_IOCB_PCT_LIMIT) / 100; 4246 ha->fwres.exch_total = ha->orig_fw_xcb_count; 4247 ha->fwres.exch_limit = (ha->orig_fw_xcb_count * QLA_IOCB_PCT_LIMIT) / 100; 4248 4249 atomic_set(&ha->fwres.iocb_used, 0); 4250 atomic_set(&ha->fwres.exch_used, 0); 4251 } 4252 4253 void qla_adjust_iocb_limit(scsi_qla_host_t *vha) 4254 { 4255 u8 i; 4256 struct qla_hw_data *ha = vha->hw; 4257 4258 __qla_adjust_iocb_limit(ha->base_qpair); 4259 4260 for (i = 0; i < ha->max_qpairs; i++) { 4261 if (ha->queue_pair_map[i]) 4262 __qla_adjust_iocb_limit(ha->queue_pair_map[i]); 4263 } 4264 } 4265 4266 /** 4267 * qla2x00_setup_chip() - Load and start RISC firmware. 4268 * @vha: HA context 4269 * 4270 * Returns 0 on success. 4271 */ 4272 static int 4273 qla2x00_setup_chip(scsi_qla_host_t *vha) 4274 { 4275 int rval; 4276 uint32_t srisc_address = 0; 4277 struct qla_hw_data *ha = vha->hw; 4278 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 4279 unsigned long flags; 4280 int done_once = 0; 4281 4282 if (IS_P3P_TYPE(ha)) { 4283 rval = ha->isp_ops->load_risc(vha, &srisc_address); 4284 if (rval == QLA_SUCCESS) { 4285 qla2x00_stop_firmware(vha); 4286 goto enable_82xx_npiv; 4287 } else 4288 goto failed; 4289 } 4290 4291 if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) { 4292 /* Disable SRAM, Instruction RAM and GP RAM parity. */ 4293 spin_lock_irqsave(&ha->hardware_lock, flags); 4294 wrt_reg_word(®->hccr, (HCCR_ENABLE_PARITY + 0x0)); 4295 rd_reg_word(®->hccr); 4296 spin_unlock_irqrestore(&ha->hardware_lock, flags); 4297 } 4298 4299 qla81xx_mpi_sync(vha); 4300 4301 execute_fw_with_lr: 4302 /* Load firmware sequences */ 4303 rval = ha->isp_ops->load_risc(vha, &srisc_address); 4304 if (rval == QLA_SUCCESS) { 4305 ql_dbg(ql_dbg_init, vha, 0x00c9, 4306 "Verifying Checksum of loaded RISC code.\n"); 4307 4308 rval = qla2x00_verify_checksum(vha, srisc_address); 4309 if (rval == QLA_SUCCESS) { 4310 /* Start firmware execution. */ 4311 ql_dbg(ql_dbg_init, vha, 0x00ca, 4312 "Starting firmware.\n"); 4313 4314 if (ql2xexlogins) 4315 ha->flags.exlogins_enabled = 1; 4316 4317 if (qla_is_exch_offld_enabled(vha)) 4318 ha->flags.exchoffld_enabled = 1; 4319 4320 rval = qla2x00_execute_fw(vha, srisc_address); 4321 /* Retrieve firmware information. */ 4322 if (rval == QLA_SUCCESS) { 4323 /* Enable BPM support? */ 4324 if (!done_once++ && qla24xx_detect_sfp(vha)) { 4325 ql_dbg(ql_dbg_init, vha, 0x00ca, 4326 "Re-starting firmware -- BPM.\n"); 4327 /* Best-effort - re-init. */ 4328 ha->isp_ops->reset_chip(vha); 4329 ha->isp_ops->chip_diag(vha); 4330 goto execute_fw_with_lr; 4331 } 4332 4333 if (IS_ZIO_THRESHOLD_CAPABLE(ha)) 4334 qla27xx_set_zio_threshold(vha, 4335 ha->last_zio_threshold); 4336 4337 rval = qla2x00_set_exlogins_buffer(vha); 4338 if (rval != QLA_SUCCESS) 4339 goto failed; 4340 4341 rval = qla2x00_set_exchoffld_buffer(vha); 4342 if (rval != QLA_SUCCESS) 4343 goto failed; 4344 4345 enable_82xx_npiv: 4346 if (IS_P3P_TYPE(ha)) 4347 qla82xx_check_md_needed(vha); 4348 else 4349 rval = qla2x00_get_fw_version(vha); 4350 if (rval != QLA_SUCCESS) 4351 goto failed; 4352 ha->flags.npiv_supported = 0; 4353 if (IS_QLA2XXX_MIDTYPE(ha) && 4354 (ha->fw_attributes & BIT_2)) { 4355 ha->flags.npiv_supported = 1; 4356 if ((!ha->max_npiv_vports) || 4357 ((ha->max_npiv_vports + 1) % 4358 MIN_MULTI_ID_FABRIC)) 4359 ha->max_npiv_vports = 4360 MIN_MULTI_ID_FABRIC - 1; 4361 } 4362 qla2x00_get_resource_cnts(vha); 4363 qla_init_iocb_limit(vha); 4364 4365 /* 4366 * Allocate the array of outstanding commands 4367 * now that we know the firmware resources. 4368 */ 4369 rval = qla2x00_alloc_outstanding_cmds(ha, 4370 vha->req); 4371 if (rval != QLA_SUCCESS) 4372 goto failed; 4373 4374 if (ql2xallocfwdump && !(IS_P3P_TYPE(ha))) 4375 qla2x00_alloc_fw_dump(vha); 4376 4377 qla_enable_fce_trace(vha); 4378 qla_enable_eft_trace(vha); 4379 } else { 4380 goto failed; 4381 } 4382 } else { 4383 ql_log(ql_log_fatal, vha, 0x00cd, 4384 "ISP Firmware failed checksum.\n"); 4385 goto failed; 4386 } 4387 4388 /* Enable PUREX PASSTHRU */ 4389 if (ql2xrdpenable || ha->flags.scm_supported_f || 4390 ha->flags.edif_enabled) 4391 qla25xx_set_els_cmds_supported(vha); 4392 } else 4393 goto failed; 4394 4395 if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) { 4396 /* Enable proper parity. */ 4397 spin_lock_irqsave(&ha->hardware_lock, flags); 4398 if (IS_QLA2300(ha)) 4399 /* SRAM parity */ 4400 wrt_reg_word(®->hccr, HCCR_ENABLE_PARITY + 0x1); 4401 else 4402 /* SRAM, Instruction RAM and GP RAM parity */ 4403 wrt_reg_word(®->hccr, HCCR_ENABLE_PARITY + 0x7); 4404 rd_reg_word(®->hccr); 4405 spin_unlock_irqrestore(&ha->hardware_lock, flags); 4406 } 4407 4408 if (IS_QLA27XX(ha) || IS_QLA28XX(ha)) 4409 ha->flags.fac_supported = 1; 4410 else if (rval == QLA_SUCCESS && IS_FAC_REQUIRED(ha)) { 4411 uint32_t size; 4412 4413 rval = qla81xx_fac_get_sector_size(vha, &size); 4414 if (rval == QLA_SUCCESS) { 4415 ha->flags.fac_supported = 1; 4416 ha->fdt_block_size = size << 2; 4417 } else { 4418 ql_log(ql_log_warn, vha, 0x00ce, 4419 "Unsupported FAC firmware (%d.%02d.%02d).\n", 4420 ha->fw_major_version, ha->fw_minor_version, 4421 ha->fw_subminor_version); 4422 4423 if (IS_QLA83XX(ha)) { 4424 ha->flags.fac_supported = 0; 4425 rval = QLA_SUCCESS; 4426 } 4427 } 4428 } 4429 failed: 4430 if (rval) { 4431 ql_log(ql_log_fatal, vha, 0x00cf, 4432 "Setup chip ****FAILED****.\n"); 4433 } 4434 4435 return (rval); 4436 } 4437 4438 /** 4439 * qla2x00_init_response_q_entries() - Initializes response queue entries. 4440 * @rsp: response queue 4441 * 4442 * Beginning of request ring has initialization control block already built 4443 * by nvram config routine. 4444 * 4445 * Returns 0 on success. 4446 */ 4447 void 4448 qla2x00_init_response_q_entries(struct rsp_que *rsp) 4449 { 4450 uint16_t cnt; 4451 response_t *pkt; 4452 4453 rsp->ring_ptr = rsp->ring; 4454 rsp->ring_index = 0; 4455 rsp->status_srb = NULL; 4456 pkt = rsp->ring_ptr; 4457 for (cnt = 0; cnt < rsp->length; cnt++) { 4458 pkt->signature = RESPONSE_PROCESSED; 4459 pkt++; 4460 } 4461 } 4462 4463 /** 4464 * qla2x00_update_fw_options() - Read and process firmware options. 4465 * @vha: HA context 4466 * 4467 * Returns 0 on success. 4468 */ 4469 void 4470 qla2x00_update_fw_options(scsi_qla_host_t *vha) 4471 { 4472 uint16_t swing, emphasis, tx_sens, rx_sens; 4473 struct qla_hw_data *ha = vha->hw; 4474 4475 memset(ha->fw_options, 0, sizeof(ha->fw_options)); 4476 qla2x00_get_fw_options(vha, ha->fw_options); 4477 4478 if (IS_QLA2100(ha) || IS_QLA2200(ha)) 4479 return; 4480 4481 /* Serial Link options. */ 4482 ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x0115, 4483 "Serial link options.\n"); 4484 ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0109, 4485 ha->fw_seriallink_options, sizeof(ha->fw_seriallink_options)); 4486 4487 ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING; 4488 if (ha->fw_seriallink_options[3] & BIT_2) { 4489 ha->fw_options[1] |= FO1_SET_EMPHASIS_SWING; 4490 4491 /* 1G settings */ 4492 swing = ha->fw_seriallink_options[2] & (BIT_2 | BIT_1 | BIT_0); 4493 emphasis = (ha->fw_seriallink_options[2] & 4494 (BIT_4 | BIT_3)) >> 3; 4495 tx_sens = ha->fw_seriallink_options[0] & 4496 (BIT_3 | BIT_2 | BIT_1 | BIT_0); 4497 rx_sens = (ha->fw_seriallink_options[0] & 4498 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4; 4499 ha->fw_options[10] = (emphasis << 14) | (swing << 8); 4500 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) { 4501 if (rx_sens == 0x0) 4502 rx_sens = 0x3; 4503 ha->fw_options[10] |= (tx_sens << 4) | rx_sens; 4504 } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) 4505 ha->fw_options[10] |= BIT_5 | 4506 ((rx_sens & (BIT_1 | BIT_0)) << 2) | 4507 (tx_sens & (BIT_1 | BIT_0)); 4508 4509 /* 2G settings */ 4510 swing = (ha->fw_seriallink_options[2] & 4511 (BIT_7 | BIT_6 | BIT_5)) >> 5; 4512 emphasis = ha->fw_seriallink_options[3] & (BIT_1 | BIT_0); 4513 tx_sens = ha->fw_seriallink_options[1] & 4514 (BIT_3 | BIT_2 | BIT_1 | BIT_0); 4515 rx_sens = (ha->fw_seriallink_options[1] & 4516 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4; 4517 ha->fw_options[11] = (emphasis << 14) | (swing << 8); 4518 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) { 4519 if (rx_sens == 0x0) 4520 rx_sens = 0x3; 4521 ha->fw_options[11] |= (tx_sens << 4) | rx_sens; 4522 } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) 4523 ha->fw_options[11] |= BIT_5 | 4524 ((rx_sens & (BIT_1 | BIT_0)) << 2) | 4525 (tx_sens & (BIT_1 | BIT_0)); 4526 } 4527 4528 /* FCP2 options. */ 4529 /* Return command IOCBs without waiting for an ABTS to complete. */ 4530 ha->fw_options[3] |= BIT_13; 4531 4532 /* LED scheme. */ 4533 if (ha->flags.enable_led_scheme) 4534 ha->fw_options[2] |= BIT_12; 4535 4536 /* Detect ISP6312. */ 4537 if (IS_QLA6312(ha)) 4538 ha->fw_options[2] |= BIT_13; 4539 4540 /* Set Retry FLOGI in case of P2P connection */ 4541 if (ha->operating_mode == P2P) { 4542 ha->fw_options[2] |= BIT_3; 4543 ql_dbg(ql_dbg_disc, vha, 0x2100, 4544 "(%s): Setting FLOGI retry BIT in fw_options[2]: 0x%x\n", 4545 __func__, ha->fw_options[2]); 4546 } 4547 4548 /* Update firmware options. */ 4549 qla2x00_set_fw_options(vha, ha->fw_options); 4550 } 4551 4552 void 4553 qla24xx_update_fw_options(scsi_qla_host_t *vha) 4554 { 4555 int rval; 4556 struct qla_hw_data *ha = vha->hw; 4557 4558 if (IS_P3P_TYPE(ha)) 4559 return; 4560 4561 /* Hold status IOCBs until ABTS response received. */ 4562 if (ql2xfwholdabts) 4563 ha->fw_options[3] |= BIT_12; 4564 4565 /* Set Retry FLOGI in case of P2P connection */ 4566 if (ha->operating_mode == P2P) { 4567 ha->fw_options[2] |= BIT_3; 4568 ql_dbg(ql_dbg_disc, vha, 0x2101, 4569 "(%s): Setting FLOGI retry BIT in fw_options[2]: 0x%x\n", 4570 __func__, ha->fw_options[2]); 4571 } 4572 4573 /* Move PUREX, ABTS RX & RIDA to ATIOQ */ 4574 if (ql2xmvasynctoatio && !ha->flags.edif_enabled && 4575 (IS_QLA83XX(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha))) { 4576 if (qla_tgt_mode_enabled(vha) || 4577 qla_dual_mode_enabled(vha)) 4578 ha->fw_options[2] |= BIT_11; 4579 else 4580 ha->fw_options[2] &= ~BIT_11; 4581 } 4582 4583 if (IS_QLA25XX(ha) || IS_QLA83XX(ha) || IS_QLA27XX(ha) || 4584 IS_QLA28XX(ha)) { 4585 /* 4586 * Tell FW to track each exchange to prevent 4587 * driver from using stale exchange. 4588 */ 4589 if (qla_tgt_mode_enabled(vha) || 4590 qla_dual_mode_enabled(vha)) 4591 ha->fw_options[2] |= BIT_4; 4592 else 4593 ha->fw_options[2] &= ~(BIT_4); 4594 4595 /* Reserve 1/2 of emergency exchanges for ELS.*/ 4596 if (qla2xuseresexchforels) 4597 ha->fw_options[2] |= BIT_8; 4598 else 4599 ha->fw_options[2] &= ~BIT_8; 4600 4601 /* 4602 * N2N: set Secure=1 for PLOGI ACC and 4603 * fw shal not send PRLI after PLOGI Acc 4604 */ 4605 if (ha->flags.edif_enabled && 4606 DBELL_ACTIVE(vha)) { 4607 ha->fw_options[3] |= BIT_15; 4608 ha->flags.n2n_fw_acc_sec = 1; 4609 } else { 4610 ha->fw_options[3] &= ~BIT_15; 4611 ha->flags.n2n_fw_acc_sec = 0; 4612 } 4613 } 4614 4615 if (ql2xrdpenable || ha->flags.scm_supported_f || 4616 ha->flags.edif_enabled) 4617 ha->fw_options[1] |= ADD_FO1_ENABLE_PUREX_IOCB; 4618 4619 /* Enable Async 8130/8131 events -- transceiver insertion/removal */ 4620 if (IS_BPM_RANGE_CAPABLE(ha)) 4621 ha->fw_options[3] |= BIT_10; 4622 4623 ql_dbg(ql_dbg_init, vha, 0x00e8, 4624 "%s, add FW options 1-3 = 0x%04x 0x%04x 0x%04x mode %x\n", 4625 __func__, ha->fw_options[1], ha->fw_options[2], 4626 ha->fw_options[3], vha->host->active_mode); 4627 4628 if (ha->fw_options[1] || ha->fw_options[2] || ha->fw_options[3]) 4629 qla2x00_set_fw_options(vha, ha->fw_options); 4630 4631 /* Update Serial Link options. */ 4632 if ((le16_to_cpu(ha->fw_seriallink_options24[0]) & BIT_0) == 0) 4633 return; 4634 4635 rval = qla2x00_set_serdes_params(vha, 4636 le16_to_cpu(ha->fw_seriallink_options24[1]), 4637 le16_to_cpu(ha->fw_seriallink_options24[2]), 4638 le16_to_cpu(ha->fw_seriallink_options24[3])); 4639 if (rval != QLA_SUCCESS) { 4640 ql_log(ql_log_warn, vha, 0x0104, 4641 "Unable to update Serial Link options (%x).\n", rval); 4642 } 4643 } 4644 4645 void 4646 qla2x00_config_rings(struct scsi_qla_host *vha) 4647 { 4648 struct qla_hw_data *ha = vha->hw; 4649 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 4650 struct req_que *req = ha->req_q_map[0]; 4651 struct rsp_que *rsp = ha->rsp_q_map[0]; 4652 4653 /* Setup ring parameters in initialization control block. */ 4654 ha->init_cb->request_q_outpointer = cpu_to_le16(0); 4655 ha->init_cb->response_q_inpointer = cpu_to_le16(0); 4656 ha->init_cb->request_q_length = cpu_to_le16(req->length); 4657 ha->init_cb->response_q_length = cpu_to_le16(rsp->length); 4658 put_unaligned_le64(req->dma, &ha->init_cb->request_q_address); 4659 put_unaligned_le64(rsp->dma, &ha->init_cb->response_q_address); 4660 4661 wrt_reg_word(ISP_REQ_Q_IN(ha, reg), 0); 4662 wrt_reg_word(ISP_REQ_Q_OUT(ha, reg), 0); 4663 wrt_reg_word(ISP_RSP_Q_IN(ha, reg), 0); 4664 wrt_reg_word(ISP_RSP_Q_OUT(ha, reg), 0); 4665 rd_reg_word(ISP_RSP_Q_OUT(ha, reg)); /* PCI Posting. */ 4666 } 4667 4668 void 4669 qla24xx_config_rings(struct scsi_qla_host *vha) 4670 { 4671 struct qla_hw_data *ha = vha->hw; 4672 device_reg_t *reg = ISP_QUE_REG(ha, 0); 4673 struct device_reg_2xxx __iomem *ioreg = &ha->iobase->isp; 4674 struct qla_msix_entry *msix; 4675 struct init_cb_24xx *icb; 4676 uint16_t rid = 0; 4677 struct req_que *req = ha->req_q_map[0]; 4678 struct rsp_que *rsp = ha->rsp_q_map[0]; 4679 4680 /* Setup ring parameters in initialization control block. */ 4681 icb = (struct init_cb_24xx *)ha->init_cb; 4682 icb->request_q_outpointer = cpu_to_le16(0); 4683 icb->response_q_inpointer = cpu_to_le16(0); 4684 icb->request_q_length = cpu_to_le16(req->length); 4685 icb->response_q_length = cpu_to_le16(rsp->length); 4686 put_unaligned_le64(req->dma, &icb->request_q_address); 4687 put_unaligned_le64(rsp->dma, &icb->response_q_address); 4688 4689 /* Setup ATIO queue dma pointers for target mode */ 4690 icb->atio_q_inpointer = cpu_to_le16(0); 4691 icb->atio_q_length = cpu_to_le16(ha->tgt.atio_q_length); 4692 put_unaligned_le64(ha->tgt.atio_dma, &icb->atio_q_address); 4693 4694 if (IS_SHADOW_REG_CAPABLE(ha)) 4695 icb->firmware_options_2 |= cpu_to_le32(BIT_30|BIT_29); 4696 4697 if (ha->mqenable || IS_QLA83XX(ha) || IS_QLA27XX(ha) || 4698 IS_QLA28XX(ha)) { 4699 icb->qos = cpu_to_le16(QLA_DEFAULT_QUE_QOS); 4700 icb->rid = cpu_to_le16(rid); 4701 if (ha->flags.msix_enabled) { 4702 msix = &ha->msix_entries[1]; 4703 ql_dbg(ql_dbg_init, vha, 0x0019, 4704 "Registering vector 0x%x for base que.\n", 4705 msix->entry); 4706 icb->msix = cpu_to_le16(msix->entry); 4707 } 4708 /* Use alternate PCI bus number */ 4709 if (MSB(rid)) 4710 icb->firmware_options_2 |= cpu_to_le32(BIT_19); 4711 /* Use alternate PCI devfn */ 4712 if (LSB(rid)) 4713 icb->firmware_options_2 |= cpu_to_le32(BIT_18); 4714 4715 /* Use Disable MSIX Handshake mode for capable adapters */ 4716 if ((ha->fw_attributes & BIT_6) && (IS_MSIX_NACK_CAPABLE(ha)) && 4717 (ha->flags.msix_enabled)) { 4718 icb->firmware_options_2 &= cpu_to_le32(~BIT_22); 4719 ha->flags.disable_msix_handshake = 1; 4720 ql_dbg(ql_dbg_init, vha, 0x00fe, 4721 "MSIX Handshake Disable Mode turned on.\n"); 4722 } else { 4723 icb->firmware_options_2 |= cpu_to_le32(BIT_22); 4724 } 4725 icb->firmware_options_2 |= cpu_to_le32(BIT_23); 4726 4727 wrt_reg_dword(®->isp25mq.req_q_in, 0); 4728 wrt_reg_dword(®->isp25mq.req_q_out, 0); 4729 wrt_reg_dword(®->isp25mq.rsp_q_in, 0); 4730 wrt_reg_dword(®->isp25mq.rsp_q_out, 0); 4731 } else { 4732 wrt_reg_dword(®->isp24.req_q_in, 0); 4733 wrt_reg_dword(®->isp24.req_q_out, 0); 4734 wrt_reg_dword(®->isp24.rsp_q_in, 0); 4735 wrt_reg_dword(®->isp24.rsp_q_out, 0); 4736 } 4737 4738 qlt_24xx_config_rings(vha); 4739 4740 /* If the user has configured the speed, set it here */ 4741 if (ha->set_data_rate) { 4742 ql_dbg(ql_dbg_init, vha, 0x00fd, 4743 "Speed set by user : %s Gbps \n", 4744 qla2x00_get_link_speed_str(ha, ha->set_data_rate)); 4745 icb->firmware_options_3 = cpu_to_le32(ha->set_data_rate << 13); 4746 } 4747 4748 /* PCI posting */ 4749 rd_reg_word(&ioreg->hccr); 4750 } 4751 4752 /** 4753 * qla2x00_init_rings() - Initializes firmware. 4754 * @vha: HA context 4755 * 4756 * Beginning of request ring has initialization control block already built 4757 * by nvram config routine. 4758 * 4759 * Returns 0 on success. 4760 */ 4761 int 4762 qla2x00_init_rings(scsi_qla_host_t *vha) 4763 { 4764 int rval; 4765 unsigned long flags = 0; 4766 int cnt, que; 4767 struct qla_hw_data *ha = vha->hw; 4768 struct req_que *req; 4769 struct rsp_que *rsp; 4770 struct mid_init_cb_24xx *mid_init_cb = 4771 (struct mid_init_cb_24xx *) ha->init_cb; 4772 4773 spin_lock_irqsave(&ha->hardware_lock, flags); 4774 4775 /* Clear outstanding commands array. */ 4776 for (que = 0; que < ha->max_req_queues; que++) { 4777 req = ha->req_q_map[que]; 4778 if (!req || !test_bit(que, ha->req_qid_map)) 4779 continue; 4780 req->out_ptr = (uint16_t *)(req->ring + req->length); 4781 *req->out_ptr = 0; 4782 for (cnt = 1; cnt < req->num_outstanding_cmds; cnt++) 4783 req->outstanding_cmds[cnt] = NULL; 4784 4785 req->current_outstanding_cmd = 1; 4786 4787 /* Initialize firmware. */ 4788 req->ring_ptr = req->ring; 4789 req->ring_index = 0; 4790 req->cnt = req->length; 4791 } 4792 4793 for (que = 0; que < ha->max_rsp_queues; que++) { 4794 rsp = ha->rsp_q_map[que]; 4795 if (!rsp || !test_bit(que, ha->rsp_qid_map)) 4796 continue; 4797 rsp->in_ptr = (uint16_t *)(rsp->ring + rsp->length); 4798 *rsp->in_ptr = 0; 4799 /* Initialize response queue entries */ 4800 if (IS_QLAFX00(ha)) 4801 qlafx00_init_response_q_entries(rsp); 4802 else 4803 qla2x00_init_response_q_entries(rsp); 4804 } 4805 4806 ha->tgt.atio_ring_ptr = ha->tgt.atio_ring; 4807 ha->tgt.atio_ring_index = 0; 4808 /* Initialize ATIO queue entries */ 4809 qlt_init_atio_q_entries(vha); 4810 4811 ha->isp_ops->config_rings(vha); 4812 4813 spin_unlock_irqrestore(&ha->hardware_lock, flags); 4814 4815 if (IS_QLAFX00(ha)) { 4816 rval = qlafx00_init_firmware(vha, ha->init_cb_size); 4817 goto next_check; 4818 } 4819 4820 /* Update any ISP specific firmware options before initialization. */ 4821 ha->isp_ops->update_fw_options(vha); 4822 4823 ql_dbg(ql_dbg_init, vha, 0x00d1, 4824 "Issue init firmware FW opt 1-3= %08x %08x %08x.\n", 4825 le32_to_cpu(mid_init_cb->init_cb.firmware_options_1), 4826 le32_to_cpu(mid_init_cb->init_cb.firmware_options_2), 4827 le32_to_cpu(mid_init_cb->init_cb.firmware_options_3)); 4828 4829 if (ha->flags.npiv_supported) { 4830 if (ha->operating_mode == LOOP && !IS_CNA_CAPABLE(ha)) 4831 ha->max_npiv_vports = MIN_MULTI_ID_FABRIC - 1; 4832 mid_init_cb->count = cpu_to_le16(ha->max_npiv_vports); 4833 } 4834 4835 if (IS_FWI2_CAPABLE(ha)) { 4836 mid_init_cb->options = cpu_to_le16(BIT_1); 4837 mid_init_cb->init_cb.execution_throttle = 4838 cpu_to_le16(ha->cur_fw_xcb_count); 4839 ha->flags.dport_enabled = 4840 (le32_to_cpu(mid_init_cb->init_cb.firmware_options_1) & 4841 BIT_7) != 0; 4842 ql_dbg(ql_dbg_init, vha, 0x0191, "DPORT Support: %s.\n", 4843 (ha->flags.dport_enabled) ? "enabled" : "disabled"); 4844 /* FA-WWPN Status */ 4845 ha->flags.fawwpn_enabled = 4846 (le32_to_cpu(mid_init_cb->init_cb.firmware_options_1) & 4847 BIT_6) != 0; 4848 ql_dbg(ql_dbg_init, vha, 0x00bc, "FA-WWPN Support: %s.\n", 4849 (ha->flags.fawwpn_enabled) ? "enabled" : "disabled"); 4850 /* Init_cb will be reused for other command(s). Save a backup copy of port_name */ 4851 memcpy(ha->port_name, ha->init_cb->port_name, WWN_SIZE); 4852 } 4853 4854 /* ELS pass through payload is limit by frame size. */ 4855 if (ha->flags.edif_enabled) 4856 mid_init_cb->init_cb.frame_payload_size = cpu_to_le16(ELS_MAX_PAYLOAD); 4857 4858 QLA_FW_STARTED(ha); 4859 rval = qla2x00_init_firmware(vha, ha->init_cb_size); 4860 next_check: 4861 if (rval) { 4862 QLA_FW_STOPPED(ha); 4863 ql_log(ql_log_fatal, vha, 0x00d2, 4864 "Init Firmware **** FAILED ****.\n"); 4865 } else { 4866 ql_dbg(ql_dbg_init, vha, 0x00d3, 4867 "Init Firmware -- success.\n"); 4868 vha->u_ql2xexchoffld = vha->u_ql2xiniexchg = 0; 4869 } 4870 4871 return (rval); 4872 } 4873 4874 /** 4875 * qla2x00_fw_ready() - Waits for firmware ready. 4876 * @vha: HA context 4877 * 4878 * Returns 0 on success. 4879 */ 4880 static int 4881 qla2x00_fw_ready(scsi_qla_host_t *vha) 4882 { 4883 int rval; 4884 unsigned long wtime, mtime, cs84xx_time; 4885 uint16_t min_wait; /* Minimum wait time if loop is down */ 4886 uint16_t wait_time; /* Wait time if loop is coming ready */ 4887 uint16_t state[6]; 4888 struct qla_hw_data *ha = vha->hw; 4889 4890 if (IS_QLAFX00(vha->hw)) 4891 return qlafx00_fw_ready(vha); 4892 4893 /* Time to wait for loop down */ 4894 if (IS_P3P_TYPE(ha)) 4895 min_wait = 30; 4896 else 4897 min_wait = 20; 4898 4899 /* 4900 * Firmware should take at most one RATOV to login, plus 5 seconds for 4901 * our own processing. 4902 */ 4903 if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) { 4904 wait_time = min_wait; 4905 } 4906 4907 /* Min wait time if loop down */ 4908 mtime = jiffies + (min_wait * HZ); 4909 4910 /* wait time before firmware ready */ 4911 wtime = jiffies + (wait_time * HZ); 4912 4913 /* Wait for ISP to finish LIP */ 4914 if (!vha->flags.init_done) 4915 ql_log(ql_log_info, vha, 0x801e, 4916 "Waiting for LIP to complete.\n"); 4917 4918 do { 4919 memset(state, -1, sizeof(state)); 4920 rval = qla2x00_get_firmware_state(vha, state); 4921 if (rval == QLA_SUCCESS) { 4922 if (state[0] < FSTATE_LOSS_OF_SYNC) { 4923 vha->device_flags &= ~DFLG_NO_CABLE; 4924 } 4925 if (IS_QLA84XX(ha) && state[0] != FSTATE_READY) { 4926 ql_dbg(ql_dbg_taskm, vha, 0x801f, 4927 "fw_state=%x 84xx=%x.\n", state[0], 4928 state[2]); 4929 if ((state[2] & FSTATE_LOGGED_IN) && 4930 (state[2] & FSTATE_WAITING_FOR_VERIFY)) { 4931 ql_dbg(ql_dbg_taskm, vha, 0x8028, 4932 "Sending verify iocb.\n"); 4933 4934 cs84xx_time = jiffies; 4935 rval = qla84xx_init_chip(vha); 4936 if (rval != QLA_SUCCESS) { 4937 ql_log(ql_log_warn, 4938 vha, 0x8007, 4939 "Init chip failed.\n"); 4940 break; 4941 } 4942 4943 /* Add time taken to initialize. */ 4944 cs84xx_time = jiffies - cs84xx_time; 4945 wtime += cs84xx_time; 4946 mtime += cs84xx_time; 4947 ql_dbg(ql_dbg_taskm, vha, 0x8008, 4948 "Increasing wait time by %ld. " 4949 "New time %ld.\n", cs84xx_time, 4950 wtime); 4951 } 4952 } else if (state[0] == FSTATE_READY) { 4953 ql_dbg(ql_dbg_taskm, vha, 0x8037, 4954 "F/W Ready - OK.\n"); 4955 4956 qla2x00_get_retry_cnt(vha, &ha->retry_count, 4957 &ha->login_timeout, &ha->r_a_tov); 4958 4959 rval = QLA_SUCCESS; 4960 break; 4961 } 4962 4963 rval = QLA_FUNCTION_FAILED; 4964 4965 if (atomic_read(&vha->loop_down_timer) && 4966 state[0] != FSTATE_READY) { 4967 /* Loop down. Timeout on min_wait for states 4968 * other than Wait for Login. 4969 */ 4970 if (time_after_eq(jiffies, mtime)) { 4971 ql_log(ql_log_info, vha, 0x8038, 4972 "Cable is unplugged...\n"); 4973 4974 vha->device_flags |= DFLG_NO_CABLE; 4975 break; 4976 } 4977 } 4978 } else { 4979 /* Mailbox cmd failed. Timeout on min_wait. */ 4980 if (time_after_eq(jiffies, mtime) || 4981 ha->flags.isp82xx_fw_hung) 4982 break; 4983 } 4984 4985 if (time_after_eq(jiffies, wtime)) 4986 break; 4987 4988 /* Delay for a while */ 4989 msleep(500); 4990 } while (1); 4991 4992 ql_dbg(ql_dbg_taskm, vha, 0x803a, 4993 "fw_state=%x (%x, %x, %x, %x %x) curr time=%lx.\n", state[0], 4994 state[1], state[2], state[3], state[4], state[5], jiffies); 4995 4996 if (rval && !(vha->device_flags & DFLG_NO_CABLE)) { 4997 ql_log(ql_log_warn, vha, 0x803b, 4998 "Firmware ready **** FAILED ****.\n"); 4999 } 5000 5001 return (rval); 5002 } 5003 5004 /* 5005 * qla2x00_configure_hba 5006 * Setup adapter context. 5007 * 5008 * Input: 5009 * ha = adapter state pointer. 5010 * 5011 * Returns: 5012 * 0 = success 5013 * 5014 * Context: 5015 * Kernel context. 5016 */ 5017 static int 5018 qla2x00_configure_hba(scsi_qla_host_t *vha) 5019 { 5020 int rval; 5021 uint16_t loop_id; 5022 uint16_t topo; 5023 uint16_t sw_cap; 5024 uint8_t al_pa; 5025 uint8_t area; 5026 uint8_t domain; 5027 char connect_type[22]; 5028 struct qla_hw_data *ha = vha->hw; 5029 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev); 5030 port_id_t id; 5031 unsigned long flags; 5032 5033 /* Get host addresses. */ 5034 rval = qla2x00_get_adapter_id(vha, 5035 &loop_id, &al_pa, &area, &domain, &topo, &sw_cap); 5036 if (rval != QLA_SUCCESS) { 5037 if (LOOP_TRANSITION(vha) || atomic_read(&ha->loop_down_timer) || 5038 IS_CNA_CAPABLE(ha) || 5039 (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) { 5040 ql_dbg(ql_dbg_disc, vha, 0x2008, 5041 "Loop is in a transition state.\n"); 5042 } else { 5043 ql_log(ql_log_warn, vha, 0x2009, 5044 "Unable to get host loop ID.\n"); 5045 if (IS_FWI2_CAPABLE(ha) && (vha == base_vha) && 5046 (rval == QLA_COMMAND_ERROR && loop_id == 0x1b)) { 5047 ql_log(ql_log_warn, vha, 0x1151, 5048 "Doing link init.\n"); 5049 if (qla24xx_link_initialize(vha) == QLA_SUCCESS) 5050 return rval; 5051 } 5052 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 5053 } 5054 return (rval); 5055 } 5056 5057 if (topo == 4) { 5058 ql_log(ql_log_info, vha, 0x200a, 5059 "Cannot get topology - retrying.\n"); 5060 return (QLA_FUNCTION_FAILED); 5061 } 5062 5063 vha->loop_id = loop_id; 5064 5065 /* initialize */ 5066 ha->min_external_loopid = SNS_FIRST_LOOP_ID; 5067 ha->operating_mode = LOOP; 5068 5069 switch (topo) { 5070 case 0: 5071 ql_dbg(ql_dbg_disc, vha, 0x200b, "HBA in NL topology.\n"); 5072 ha->switch_cap = 0; 5073 ha->current_topology = ISP_CFG_NL; 5074 strcpy(connect_type, "(Loop)"); 5075 break; 5076 5077 case 1: 5078 ql_dbg(ql_dbg_disc, vha, 0x200c, "HBA in FL topology.\n"); 5079 ha->switch_cap = sw_cap; 5080 ha->current_topology = ISP_CFG_FL; 5081 strcpy(connect_type, "(FL_Port)"); 5082 break; 5083 5084 case 2: 5085 ql_dbg(ql_dbg_disc, vha, 0x200d, "HBA in N P2P topology.\n"); 5086 ha->switch_cap = 0; 5087 ha->operating_mode = P2P; 5088 ha->current_topology = ISP_CFG_N; 5089 strcpy(connect_type, "(N_Port-to-N_Port)"); 5090 break; 5091 5092 case 3: 5093 ql_dbg(ql_dbg_disc, vha, 0x200e, "HBA in F P2P topology.\n"); 5094 ha->switch_cap = sw_cap; 5095 ha->operating_mode = P2P; 5096 ha->current_topology = ISP_CFG_F; 5097 strcpy(connect_type, "(F_Port)"); 5098 break; 5099 5100 default: 5101 ql_dbg(ql_dbg_disc, vha, 0x200f, 5102 "HBA in unknown topology %x, using NL.\n", topo); 5103 ha->switch_cap = 0; 5104 ha->current_topology = ISP_CFG_NL; 5105 strcpy(connect_type, "(Loop)"); 5106 break; 5107 } 5108 5109 /* Save Host port and loop ID. */ 5110 /* byte order - Big Endian */ 5111 id.b.domain = domain; 5112 id.b.area = area; 5113 id.b.al_pa = al_pa; 5114 id.b.rsvd_1 = 0; 5115 spin_lock_irqsave(&ha->hardware_lock, flags); 5116 if (vha->hw->flags.edif_enabled) { 5117 if (topo != 2) 5118 qla_update_host_map(vha, id); 5119 } else if (!(topo == 2 && ha->flags.n2n_bigger)) 5120 qla_update_host_map(vha, id); 5121 spin_unlock_irqrestore(&ha->hardware_lock, flags); 5122 5123 if (!vha->flags.init_done) 5124 ql_log(ql_log_info, vha, 0x2010, 5125 "Topology - %s, Host Loop address 0x%x.\n", 5126 connect_type, vha->loop_id); 5127 5128 return(rval); 5129 } 5130 5131 inline void 5132 qla2x00_set_model_info(scsi_qla_host_t *vha, uint8_t *model, size_t len, 5133 const char *def) 5134 { 5135 char *st, *en; 5136 uint16_t index; 5137 uint64_t zero[2] = { 0 }; 5138 struct qla_hw_data *ha = vha->hw; 5139 int use_tbl = !IS_QLA24XX_TYPE(ha) && !IS_QLA25XX(ha) && 5140 !IS_CNA_CAPABLE(ha) && !IS_QLA2031(ha); 5141 5142 if (len > sizeof(zero)) 5143 len = sizeof(zero); 5144 if (memcmp(model, &zero, len) != 0) { 5145 memcpy(ha->model_number, model, len); 5146 st = en = ha->model_number; 5147 en += len - 1; 5148 while (en > st) { 5149 if (*en != 0x20 && *en != 0x00) 5150 break; 5151 *en-- = '\0'; 5152 } 5153 5154 index = (ha->pdev->subsystem_device & 0xff); 5155 if (use_tbl && 5156 ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC && 5157 index < QLA_MODEL_NAMES) 5158 strscpy(ha->model_desc, 5159 qla2x00_model_name[index * 2 + 1], 5160 sizeof(ha->model_desc)); 5161 } else { 5162 index = (ha->pdev->subsystem_device & 0xff); 5163 if (use_tbl && 5164 ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC && 5165 index < QLA_MODEL_NAMES) { 5166 strscpy(ha->model_number, 5167 qla2x00_model_name[index * 2], 5168 sizeof(ha->model_number)); 5169 strscpy(ha->model_desc, 5170 qla2x00_model_name[index * 2 + 1], 5171 sizeof(ha->model_desc)); 5172 } else { 5173 strscpy(ha->model_number, def, 5174 sizeof(ha->model_number)); 5175 } 5176 } 5177 if (IS_FWI2_CAPABLE(ha)) 5178 qla2xxx_get_vpd_field(vha, "\x82", ha->model_desc, 5179 sizeof(ha->model_desc)); 5180 } 5181 5182 /* On sparc systems, obtain port and node WWN from firmware 5183 * properties. 5184 */ 5185 static void qla2xxx_nvram_wwn_from_ofw(scsi_qla_host_t *vha, nvram_t *nv) 5186 { 5187 #ifdef CONFIG_SPARC 5188 struct qla_hw_data *ha = vha->hw; 5189 struct pci_dev *pdev = ha->pdev; 5190 struct device_node *dp = pci_device_to_OF_node(pdev); 5191 const u8 *val; 5192 int len; 5193 5194 val = of_get_property(dp, "port-wwn", &len); 5195 if (val && len >= WWN_SIZE) 5196 memcpy(nv->port_name, val, WWN_SIZE); 5197 5198 val = of_get_property(dp, "node-wwn", &len); 5199 if (val && len >= WWN_SIZE) 5200 memcpy(nv->node_name, val, WWN_SIZE); 5201 #endif 5202 } 5203 5204 /* 5205 * NVRAM configuration for ISP 2xxx 5206 * 5207 * Input: 5208 * ha = adapter block pointer. 5209 * 5210 * Output: 5211 * initialization control block in response_ring 5212 * host adapters parameters in host adapter block 5213 * 5214 * Returns: 5215 * 0 = success. 5216 */ 5217 int 5218 qla2x00_nvram_config(scsi_qla_host_t *vha) 5219 { 5220 int rval; 5221 uint8_t chksum = 0; 5222 uint16_t cnt; 5223 uint8_t *dptr1, *dptr2; 5224 struct qla_hw_data *ha = vha->hw; 5225 init_cb_t *icb = ha->init_cb; 5226 nvram_t *nv = ha->nvram; 5227 uint8_t *ptr = ha->nvram; 5228 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 5229 5230 rval = QLA_SUCCESS; 5231 5232 /* Determine NVRAM starting address. */ 5233 ha->nvram_size = sizeof(*nv); 5234 ha->nvram_base = 0; 5235 if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha)) 5236 if ((rd_reg_word(®->ctrl_status) >> 14) == 1) 5237 ha->nvram_base = 0x80; 5238 5239 /* Get NVRAM data and calculate checksum. */ 5240 ha->isp_ops->read_nvram(vha, ptr, ha->nvram_base, ha->nvram_size); 5241 for (cnt = 0, chksum = 0; cnt < ha->nvram_size; cnt++) 5242 chksum += *ptr++; 5243 5244 ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x010f, 5245 "Contents of NVRAM.\n"); 5246 ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0110, 5247 nv, ha->nvram_size); 5248 5249 /* Bad NVRAM data, set defaults parameters. */ 5250 if (chksum || memcmp("ISP ", nv->id, sizeof(nv->id)) || 5251 nv->nvram_version < 1) { 5252 /* Reset NVRAM data. */ 5253 ql_log(ql_log_warn, vha, 0x0064, 5254 "Inconsistent NVRAM detected: checksum=%#x id=%.4s version=%#x.\n", 5255 chksum, nv->id, nv->nvram_version); 5256 ql_log(ql_log_warn, vha, 0x0065, 5257 "Falling back to " 5258 "functioning (yet invalid -- WWPN) defaults.\n"); 5259 5260 /* 5261 * Set default initialization control block. 5262 */ 5263 memset(nv, 0, ha->nvram_size); 5264 nv->parameter_block_version = ICB_VERSION; 5265 5266 if (IS_QLA23XX(ha)) { 5267 nv->firmware_options[0] = BIT_2 | BIT_1; 5268 nv->firmware_options[1] = BIT_7 | BIT_5; 5269 nv->add_firmware_options[0] = BIT_5; 5270 nv->add_firmware_options[1] = BIT_5 | BIT_4; 5271 nv->frame_payload_size = cpu_to_le16(2048); 5272 nv->special_options[1] = BIT_7; 5273 } else if (IS_QLA2200(ha)) { 5274 nv->firmware_options[0] = BIT_2 | BIT_1; 5275 nv->firmware_options[1] = BIT_7 | BIT_5; 5276 nv->add_firmware_options[0] = BIT_5; 5277 nv->add_firmware_options[1] = BIT_5 | BIT_4; 5278 nv->frame_payload_size = cpu_to_le16(1024); 5279 } else if (IS_QLA2100(ha)) { 5280 nv->firmware_options[0] = BIT_3 | BIT_1; 5281 nv->firmware_options[1] = BIT_5; 5282 nv->frame_payload_size = cpu_to_le16(1024); 5283 } 5284 5285 nv->max_iocb_allocation = cpu_to_le16(256); 5286 nv->execution_throttle = cpu_to_le16(16); 5287 nv->retry_count = 8; 5288 nv->retry_delay = 1; 5289 5290 nv->port_name[0] = 33; 5291 nv->port_name[3] = 224; 5292 nv->port_name[4] = 139; 5293 5294 qla2xxx_nvram_wwn_from_ofw(vha, nv); 5295 5296 nv->login_timeout = 4; 5297 5298 /* 5299 * Set default host adapter parameters 5300 */ 5301 nv->host_p[1] = BIT_2; 5302 nv->reset_delay = 5; 5303 nv->port_down_retry_count = 8; 5304 nv->max_luns_per_target = cpu_to_le16(8); 5305 nv->link_down_timeout = 60; 5306 5307 rval = 1; 5308 } 5309 5310 /* Reset Initialization control block */ 5311 memset(icb, 0, ha->init_cb_size); 5312 5313 /* 5314 * Setup driver NVRAM options. 5315 */ 5316 nv->firmware_options[0] |= (BIT_6 | BIT_1); 5317 nv->firmware_options[0] &= ~(BIT_5 | BIT_4); 5318 nv->firmware_options[1] |= (BIT_5 | BIT_0); 5319 nv->firmware_options[1] &= ~BIT_4; 5320 5321 if (IS_QLA23XX(ha)) { 5322 nv->firmware_options[0] |= BIT_2; 5323 nv->firmware_options[0] &= ~BIT_3; 5324 nv->special_options[0] &= ~BIT_6; 5325 nv->add_firmware_options[1] |= BIT_5 | BIT_4; 5326 5327 if (IS_QLA2300(ha)) { 5328 if (ha->fb_rev == FPM_2310) { 5329 strcpy(ha->model_number, "QLA2310"); 5330 } else { 5331 strcpy(ha->model_number, "QLA2300"); 5332 } 5333 } else { 5334 qla2x00_set_model_info(vha, nv->model_number, 5335 sizeof(nv->model_number), "QLA23xx"); 5336 } 5337 } else if (IS_QLA2200(ha)) { 5338 nv->firmware_options[0] |= BIT_2; 5339 /* 5340 * 'Point-to-point preferred, else loop' is not a safe 5341 * connection mode setting. 5342 */ 5343 if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) == 5344 (BIT_5 | BIT_4)) { 5345 /* Force 'loop preferred, else point-to-point'. */ 5346 nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4); 5347 nv->add_firmware_options[0] |= BIT_5; 5348 } 5349 strcpy(ha->model_number, "QLA22xx"); 5350 } else /*if (IS_QLA2100(ha))*/ { 5351 strcpy(ha->model_number, "QLA2100"); 5352 } 5353 5354 /* 5355 * Copy over NVRAM RISC parameter block to initialization control block. 5356 */ 5357 dptr1 = (uint8_t *)icb; 5358 dptr2 = (uint8_t *)&nv->parameter_block_version; 5359 cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version; 5360 while (cnt--) 5361 *dptr1++ = *dptr2++; 5362 5363 /* Copy 2nd half. */ 5364 dptr1 = (uint8_t *)icb->add_firmware_options; 5365 cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options; 5366 while (cnt--) 5367 *dptr1++ = *dptr2++; 5368 ha->frame_payload_size = le16_to_cpu(icb->frame_payload_size); 5369 /* Use alternate WWN? */ 5370 if (nv->host_p[1] & BIT_7) { 5371 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE); 5372 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE); 5373 } 5374 5375 /* Prepare nodename */ 5376 if ((icb->firmware_options[1] & BIT_6) == 0) { 5377 /* 5378 * Firmware will apply the following mask if the nodename was 5379 * not provided. 5380 */ 5381 memcpy(icb->node_name, icb->port_name, WWN_SIZE); 5382 icb->node_name[0] &= 0xF0; 5383 } 5384 5385 /* 5386 * Set host adapter parameters. 5387 */ 5388 5389 /* 5390 * BIT_7 in the host-parameters section allows for modification to 5391 * internal driver logging. 5392 */ 5393 if (nv->host_p[0] & BIT_7) 5394 ql2xextended_error_logging = QL_DBG_DEFAULT1_MASK; 5395 ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0); 5396 /* Always load RISC code on non ISP2[12]00 chips. */ 5397 if (!IS_QLA2100(ha) && !IS_QLA2200(ha)) 5398 ha->flags.disable_risc_code_load = 0; 5399 ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0); 5400 ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0); 5401 ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0); 5402 ha->flags.enable_led_scheme = (nv->special_options[1] & BIT_4) ? 1 : 0; 5403 ha->flags.disable_serdes = 0; 5404 5405 ha->operating_mode = 5406 (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4; 5407 5408 memcpy(ha->fw_seriallink_options, nv->seriallink_options, 5409 sizeof(ha->fw_seriallink_options)); 5410 5411 /* save HBA serial number */ 5412 ha->serial0 = icb->port_name[5]; 5413 ha->serial1 = icb->port_name[6]; 5414 ha->serial2 = icb->port_name[7]; 5415 memcpy(vha->node_name, icb->node_name, WWN_SIZE); 5416 memcpy(vha->port_name, icb->port_name, WWN_SIZE); 5417 5418 icb->execution_throttle = cpu_to_le16(0xFFFF); 5419 5420 ha->retry_count = nv->retry_count; 5421 5422 /* Set minimum login_timeout to 4 seconds. */ 5423 if (nv->login_timeout != ql2xlogintimeout) 5424 nv->login_timeout = ql2xlogintimeout; 5425 if (nv->login_timeout < 4) 5426 nv->login_timeout = 4; 5427 ha->login_timeout = nv->login_timeout; 5428 5429 /* Set minimum RATOV to 100 tenths of a second. */ 5430 ha->r_a_tov = 100; 5431 5432 ha->loop_reset_delay = nv->reset_delay; 5433 5434 /* Link Down Timeout = 0: 5435 * 5436 * When Port Down timer expires we will start returning 5437 * I/O's to OS with "DID_NO_CONNECT". 5438 * 5439 * Link Down Timeout != 0: 5440 * 5441 * The driver waits for the link to come up after link down 5442 * before returning I/Os to OS with "DID_NO_CONNECT". 5443 */ 5444 if (nv->link_down_timeout == 0) { 5445 ha->loop_down_abort_time = 5446 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT); 5447 } else { 5448 ha->link_down_timeout = nv->link_down_timeout; 5449 ha->loop_down_abort_time = 5450 (LOOP_DOWN_TIME - ha->link_down_timeout); 5451 } 5452 5453 /* 5454 * Need enough time to try and get the port back. 5455 */ 5456 ha->port_down_retry_count = nv->port_down_retry_count; 5457 if (qlport_down_retry) 5458 ha->port_down_retry_count = qlport_down_retry; 5459 /* Set login_retry_count */ 5460 ha->login_retry_count = nv->retry_count; 5461 if (ha->port_down_retry_count == nv->port_down_retry_count && 5462 ha->port_down_retry_count > 3) 5463 ha->login_retry_count = ha->port_down_retry_count; 5464 else if (ha->port_down_retry_count > (int)ha->login_retry_count) 5465 ha->login_retry_count = ha->port_down_retry_count; 5466 if (ql2xloginretrycount) 5467 ha->login_retry_count = ql2xloginretrycount; 5468 5469 icb->lun_enables = cpu_to_le16(0); 5470 icb->command_resource_count = 0; 5471 icb->immediate_notify_resource_count = 0; 5472 icb->timeout = cpu_to_le16(0); 5473 5474 if (IS_QLA2100(ha) || IS_QLA2200(ha)) { 5475 /* Enable RIO */ 5476 icb->firmware_options[0] &= ~BIT_3; 5477 icb->add_firmware_options[0] &= 5478 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0); 5479 icb->add_firmware_options[0] |= BIT_2; 5480 icb->response_accumulation_timer = 3; 5481 icb->interrupt_delay_timer = 5; 5482 5483 vha->flags.process_response_queue = 1; 5484 } else { 5485 /* Enable ZIO. */ 5486 if (!vha->flags.init_done) { 5487 ha->zio_mode = icb->add_firmware_options[0] & 5488 (BIT_3 | BIT_2 | BIT_1 | BIT_0); 5489 ha->zio_timer = icb->interrupt_delay_timer ? 5490 icb->interrupt_delay_timer : 2; 5491 } 5492 icb->add_firmware_options[0] &= 5493 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0); 5494 vha->flags.process_response_queue = 0; 5495 if (ha->zio_mode != QLA_ZIO_DISABLED) { 5496 ha->zio_mode = QLA_ZIO_MODE_6; 5497 5498 ql_log(ql_log_info, vha, 0x0068, 5499 "ZIO mode %d enabled; timer delay (%d us).\n", 5500 ha->zio_mode, ha->zio_timer * 100); 5501 5502 icb->add_firmware_options[0] |= (uint8_t)ha->zio_mode; 5503 icb->interrupt_delay_timer = (uint8_t)ha->zio_timer; 5504 vha->flags.process_response_queue = 1; 5505 } 5506 } 5507 5508 if (rval) { 5509 ql_log(ql_log_warn, vha, 0x0069, 5510 "NVRAM configuration failed.\n"); 5511 } 5512 return (rval); 5513 } 5514 5515 void qla2x00_set_fcport_state(fc_port_t *fcport, int state) 5516 { 5517 int old_state; 5518 5519 old_state = atomic_read(&fcport->state); 5520 atomic_set(&fcport->state, state); 5521 5522 /* Don't print state transitions during initial allocation of fcport */ 5523 if (old_state && old_state != state) { 5524 ql_dbg(ql_dbg_disc, fcport->vha, 0x207d, 5525 "FCPort %8phC state transitioned from %s to %s - portid=%02x%02x%02x.\n", 5526 fcport->port_name, port_state_str[old_state], 5527 port_state_str[state], fcport->d_id.b.domain, 5528 fcport->d_id.b.area, fcport->d_id.b.al_pa); 5529 } 5530 } 5531 5532 /** 5533 * qla2x00_alloc_fcport() - Allocate a generic fcport. 5534 * @vha: HA context 5535 * @flags: allocation flags 5536 * 5537 * Returns a pointer to the allocated fcport, or NULL, if none available. 5538 */ 5539 fc_port_t * 5540 qla2x00_alloc_fcport(scsi_qla_host_t *vha, gfp_t flags) 5541 { 5542 fc_port_t *fcport; 5543 5544 fcport = kzalloc(sizeof(fc_port_t), flags); 5545 if (!fcport) 5546 return NULL; 5547 5548 fcport->ct_desc.ct_sns = dma_alloc_coherent(&vha->hw->pdev->dev, 5549 sizeof(struct ct_sns_pkt), &fcport->ct_desc.ct_sns_dma, 5550 flags); 5551 if (!fcport->ct_desc.ct_sns) { 5552 ql_log(ql_log_warn, vha, 0xd049, 5553 "Failed to allocate ct_sns request.\n"); 5554 kfree(fcport); 5555 return NULL; 5556 } 5557 5558 /* Setup fcport template structure. */ 5559 fcport->vha = vha; 5560 fcport->port_type = FCT_UNKNOWN; 5561 fcport->loop_id = FC_NO_LOOP_ID; 5562 qla2x00_set_fcport_state(fcport, FCS_UNCONFIGURED); 5563 fcport->supported_classes = FC_COS_UNSPECIFIED; 5564 fcport->fp_speed = PORT_SPEED_UNKNOWN; 5565 5566 fcport->disc_state = DSC_DELETED; 5567 fcport->fw_login_state = DSC_LS_PORT_UNAVAIL; 5568 fcport->deleted = QLA_SESS_DELETED; 5569 fcport->login_retry = vha->hw->login_retry_count; 5570 fcport->chip_reset = vha->hw->base_qpair->chip_reset; 5571 fcport->logout_on_delete = 1; 5572 fcport->tgt_link_down_time = QLA2XX_MAX_LINK_DOWN_TIME; 5573 fcport->tgt_short_link_down_cnt = 0; 5574 fcport->dev_loss_tmo = 0; 5575 5576 if (!fcport->ct_desc.ct_sns) { 5577 ql_log(ql_log_warn, vha, 0xd049, 5578 "Failed to allocate ct_sns request.\n"); 5579 kfree(fcport); 5580 return NULL; 5581 } 5582 5583 INIT_WORK(&fcport->del_work, qla24xx_delete_sess_fn); 5584 INIT_WORK(&fcport->free_work, qlt_free_session_done); 5585 INIT_WORK(&fcport->reg_work, qla_register_fcport_fn); 5586 INIT_LIST_HEAD(&fcport->gnl_entry); 5587 INIT_LIST_HEAD(&fcport->list); 5588 INIT_LIST_HEAD(&fcport->unsol_ctx_head); 5589 5590 INIT_LIST_HEAD(&fcport->sess_cmd_list); 5591 spin_lock_init(&fcport->sess_cmd_lock); 5592 5593 spin_lock_init(&fcport->edif.sa_list_lock); 5594 INIT_LIST_HEAD(&fcport->edif.tx_sa_list); 5595 INIT_LIST_HEAD(&fcport->edif.rx_sa_list); 5596 5597 spin_lock_init(&fcport->edif.indx_list_lock); 5598 INIT_LIST_HEAD(&fcport->edif.edif_indx_list); 5599 5600 return fcport; 5601 } 5602 5603 void 5604 qla2x00_free_fcport(fc_port_t *fcport) 5605 { 5606 if (fcport->ct_desc.ct_sns) { 5607 dma_free_coherent(&fcport->vha->hw->pdev->dev, 5608 sizeof(struct ct_sns_pkt), fcport->ct_desc.ct_sns, 5609 fcport->ct_desc.ct_sns_dma); 5610 5611 fcport->ct_desc.ct_sns = NULL; 5612 } 5613 5614 qla_edif_flush_sa_ctl_lists(fcport); 5615 list_del(&fcport->list); 5616 qla2x00_clear_loop_id(fcport); 5617 5618 qla_edif_list_del(fcport); 5619 5620 kfree(fcport); 5621 } 5622 5623 static void qla_get_login_template(scsi_qla_host_t *vha) 5624 { 5625 struct qla_hw_data *ha = vha->hw; 5626 int rval; 5627 u32 *bp, sz; 5628 __be32 *q; 5629 5630 memset(ha->init_cb, 0, ha->init_cb_size); 5631 sz = min_t(int, sizeof(struct fc_els_flogi), ha->init_cb_size); 5632 rval = qla24xx_get_port_login_templ(vha, ha->init_cb_dma, 5633 ha->init_cb, sz); 5634 if (rval != QLA_SUCCESS) { 5635 ql_dbg(ql_dbg_init, vha, 0x00d1, 5636 "PLOGI ELS param read fail.\n"); 5637 return; 5638 } 5639 q = (__be32 *)&ha->plogi_els_payld.fl_csp; 5640 5641 bp = (uint32_t *)ha->init_cb; 5642 cpu_to_be32_array(q, bp, sz / 4); 5643 ha->flags.plogi_template_valid = 1; 5644 } 5645 5646 /* 5647 * qla2x00_configure_loop 5648 * Updates Fibre Channel Device Database with what is actually on loop. 5649 * 5650 * Input: 5651 * ha = adapter block pointer. 5652 * 5653 * Returns: 5654 * 0 = success. 5655 * 1 = error. 5656 * 2 = database was full and device was not configured. 5657 */ 5658 static int 5659 qla2x00_configure_loop(scsi_qla_host_t *vha) 5660 { 5661 int rval; 5662 unsigned long flags, save_flags; 5663 struct qla_hw_data *ha = vha->hw; 5664 5665 rval = QLA_SUCCESS; 5666 5667 /* Get Initiator ID */ 5668 if (test_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags)) { 5669 rval = qla2x00_configure_hba(vha); 5670 if (rval != QLA_SUCCESS) { 5671 ql_dbg(ql_dbg_disc, vha, 0x2013, 5672 "Unable to configure HBA.\n"); 5673 return (rval); 5674 } 5675 } 5676 5677 save_flags = flags = vha->dpc_flags; 5678 ql_dbg(ql_dbg_disc, vha, 0x2014, 5679 "Configure loop -- dpc flags = 0x%lx.\n", flags); 5680 5681 /* 5682 * If we have both an RSCN and PORT UPDATE pending then handle them 5683 * both at the same time. 5684 */ 5685 clear_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); 5686 clear_bit(RSCN_UPDATE, &vha->dpc_flags); 5687 5688 qla2x00_get_data_rate(vha); 5689 qla_get_login_template(vha); 5690 5691 /* Determine what we need to do */ 5692 if ((ha->current_topology == ISP_CFG_FL || 5693 ha->current_topology == ISP_CFG_F) && 5694 (test_bit(LOCAL_LOOP_UPDATE, &flags))) { 5695 5696 set_bit(RSCN_UPDATE, &flags); 5697 clear_bit(LOCAL_LOOP_UPDATE, &flags); 5698 5699 } else if (ha->current_topology == ISP_CFG_NL || 5700 ha->current_topology == ISP_CFG_N) { 5701 clear_bit(RSCN_UPDATE, &flags); 5702 set_bit(LOCAL_LOOP_UPDATE, &flags); 5703 } else if (!vha->flags.online || 5704 (test_bit(ABORT_ISP_ACTIVE, &flags))) { 5705 set_bit(RSCN_UPDATE, &flags); 5706 set_bit(LOCAL_LOOP_UPDATE, &flags); 5707 } 5708 5709 if (test_bit(LOCAL_LOOP_UPDATE, &flags)) { 5710 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) { 5711 ql_dbg(ql_dbg_disc, vha, 0x2015, 5712 "Loop resync needed, failing.\n"); 5713 rval = QLA_FUNCTION_FAILED; 5714 } else 5715 rval = qla2x00_configure_local_loop(vha); 5716 } 5717 5718 if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) { 5719 if (LOOP_TRANSITION(vha)) { 5720 ql_dbg(ql_dbg_disc, vha, 0x2099, 5721 "Needs RSCN update and loop transition.\n"); 5722 rval = QLA_FUNCTION_FAILED; 5723 } 5724 else 5725 rval = qla2x00_configure_fabric(vha); 5726 } 5727 5728 if (rval == QLA_SUCCESS) { 5729 if (atomic_read(&vha->loop_down_timer) || 5730 test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) { 5731 rval = QLA_FUNCTION_FAILED; 5732 } else { 5733 atomic_set(&vha->loop_state, LOOP_READY); 5734 ql_dbg(ql_dbg_disc, vha, 0x2069, 5735 "LOOP READY.\n"); 5736 ha->flags.fw_init_done = 1; 5737 5738 /* 5739 * use link up to wake up app to get ready for 5740 * authentication. 5741 */ 5742 if (ha->flags.edif_enabled && DBELL_INACTIVE(vha)) 5743 qla2x00_post_aen_work(vha, FCH_EVT_LINKUP, 5744 ha->link_data_rate); 5745 5746 /* 5747 * Process any ATIO queue entries that came in 5748 * while we weren't online. 5749 */ 5750 if (qla_tgt_mode_enabled(vha) || 5751 qla_dual_mode_enabled(vha)) { 5752 spin_lock_irqsave(&ha->tgt.atio_lock, flags); 5753 qlt_24xx_process_atio_queue(vha, 0); 5754 spin_unlock_irqrestore(&ha->tgt.atio_lock, 5755 flags); 5756 } 5757 } 5758 } 5759 5760 if (rval) { 5761 ql_dbg(ql_dbg_disc, vha, 0x206a, 5762 "%s *** FAILED ***.\n", __func__); 5763 } else { 5764 ql_dbg(ql_dbg_disc, vha, 0x206b, 5765 "%s: exiting normally. local port wwpn %8phN id %06x)\n", 5766 __func__, vha->port_name, vha->d_id.b24); 5767 } 5768 5769 /* Restore state if a resync event occurred during processing */ 5770 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) { 5771 if (test_bit(LOCAL_LOOP_UPDATE, &save_flags)) 5772 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); 5773 if (test_bit(RSCN_UPDATE, &save_flags)) { 5774 set_bit(RSCN_UPDATE, &vha->dpc_flags); 5775 } 5776 } 5777 5778 return (rval); 5779 } 5780 5781 static int qla2x00_configure_n2n_loop(scsi_qla_host_t *vha) 5782 { 5783 unsigned long flags; 5784 fc_port_t *fcport; 5785 5786 ql_dbg(ql_dbg_disc, vha, 0x206a, "%s %d.\n", __func__, __LINE__); 5787 5788 if (test_and_clear_bit(N2N_LOGIN_NEEDED, &vha->dpc_flags)) 5789 set_bit(RELOGIN_NEEDED, &vha->dpc_flags); 5790 5791 list_for_each_entry(fcport, &vha->vp_fcports, list) { 5792 if (fcport->n2n_flag) { 5793 qla24xx_fcport_handle_login(vha, fcport); 5794 return QLA_SUCCESS; 5795 } 5796 } 5797 5798 spin_lock_irqsave(&vha->work_lock, flags); 5799 vha->scan.scan_retry++; 5800 spin_unlock_irqrestore(&vha->work_lock, flags); 5801 5802 if (vha->scan.scan_retry < MAX_SCAN_RETRIES) { 5803 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); 5804 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); 5805 } 5806 return QLA_FUNCTION_FAILED; 5807 } 5808 5809 static void 5810 qla_reinitialize_link(scsi_qla_host_t *vha) 5811 { 5812 int rval; 5813 5814 atomic_set(&vha->loop_state, LOOP_DOWN); 5815 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); 5816 rval = qla2x00_full_login_lip(vha); 5817 if (rval == QLA_SUCCESS) { 5818 ql_dbg(ql_dbg_disc, vha, 0xd050, "Link reinitialized\n"); 5819 } else { 5820 ql_dbg(ql_dbg_disc, vha, 0xd051, 5821 "Link reinitialization failed (%d)\n", rval); 5822 } 5823 } 5824 5825 /* 5826 * qla2x00_configure_local_loop 5827 * Updates Fibre Channel Device Database with local loop devices. 5828 * 5829 * Input: 5830 * ha = adapter block pointer. 5831 * 5832 * Returns: 5833 * 0 = success. 5834 */ 5835 static int 5836 qla2x00_configure_local_loop(scsi_qla_host_t *vha) 5837 { 5838 int rval, rval2; 5839 int found; 5840 fc_port_t *fcport, *new_fcport; 5841 uint16_t index; 5842 uint16_t entries; 5843 struct gid_list_info *gid; 5844 uint16_t loop_id; 5845 uint8_t domain, area, al_pa; 5846 struct qla_hw_data *ha = vha->hw; 5847 unsigned long flags; 5848 5849 /* Inititae N2N login. */ 5850 if (N2N_TOPO(ha)) 5851 return qla2x00_configure_n2n_loop(vha); 5852 5853 new_fcport = NULL; 5854 entries = MAX_FIBRE_DEVICES_LOOP; 5855 5856 /* Get list of logged in devices. */ 5857 memset(ha->gid_list, 0, qla2x00_gid_list_size(ha)); 5858 rval = qla2x00_get_id_list(vha, ha->gid_list, ha->gid_list_dma, 5859 &entries); 5860 if (rval != QLA_SUCCESS) 5861 goto err; 5862 5863 ql_dbg(ql_dbg_disc, vha, 0x2011, 5864 "Entries in ID list (%d).\n", entries); 5865 ql_dump_buffer(ql_dbg_disc + ql_dbg_buffer, vha, 0x2075, 5866 ha->gid_list, entries * sizeof(*ha->gid_list)); 5867 5868 if (entries == 0) { 5869 spin_lock_irqsave(&vha->work_lock, flags); 5870 vha->scan.scan_retry++; 5871 spin_unlock_irqrestore(&vha->work_lock, flags); 5872 5873 if (vha->scan.scan_retry < MAX_SCAN_RETRIES) { 5874 u8 loop_map_entries = 0; 5875 int rc; 5876 5877 rc = qla2x00_get_fcal_position_map(vha, NULL, 5878 &loop_map_entries); 5879 if (rc == QLA_SUCCESS && loop_map_entries > 1) { 5880 /* 5881 * There are devices that are still not logged 5882 * in. Reinitialize to give them a chance. 5883 */ 5884 qla_reinitialize_link(vha); 5885 return QLA_FUNCTION_FAILED; 5886 } 5887 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); 5888 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); 5889 } 5890 } else { 5891 vha->scan.scan_retry = 0; 5892 } 5893 5894 list_for_each_entry(fcport, &vha->vp_fcports, list) { 5895 fcport->scan_state = QLA_FCPORT_SCAN; 5896 } 5897 5898 /* Allocate temporary fcport for any new fcports discovered. */ 5899 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL); 5900 if (new_fcport == NULL) { 5901 ql_log(ql_log_warn, vha, 0x2012, 5902 "Memory allocation failed for fcport.\n"); 5903 rval = QLA_MEMORY_ALLOC_FAILED; 5904 goto err; 5905 } 5906 new_fcport->flags &= ~FCF_FABRIC_DEVICE; 5907 5908 /* Add devices to port list. */ 5909 gid = ha->gid_list; 5910 for (index = 0; index < entries; index++) { 5911 domain = gid->domain; 5912 area = gid->area; 5913 al_pa = gid->al_pa; 5914 if (IS_QLA2100(ha) || IS_QLA2200(ha)) 5915 loop_id = gid->loop_id_2100; 5916 else 5917 loop_id = le16_to_cpu(gid->loop_id); 5918 gid = (void *)gid + ha->gid_list_info_size; 5919 5920 /* Bypass reserved domain fields. */ 5921 if ((domain & 0xf0) == 0xf0) 5922 continue; 5923 5924 /* Bypass if not same domain and area of adapter. */ 5925 if (area && domain && ((area != vha->d_id.b.area) || 5926 (domain != vha->d_id.b.domain)) && 5927 (ha->current_topology == ISP_CFG_NL)) 5928 continue; 5929 5930 5931 /* Bypass invalid local loop ID. */ 5932 if (loop_id > LAST_LOCAL_LOOP_ID) 5933 continue; 5934 5935 memset(new_fcport->port_name, 0, WWN_SIZE); 5936 5937 /* Fill in member data. */ 5938 new_fcport->d_id.b.domain = domain; 5939 new_fcport->d_id.b.area = area; 5940 new_fcport->d_id.b.al_pa = al_pa; 5941 new_fcport->loop_id = loop_id; 5942 new_fcport->scan_state = QLA_FCPORT_FOUND; 5943 5944 rval2 = qla2x00_get_port_database(vha, new_fcport, 0); 5945 if (rval2 != QLA_SUCCESS) { 5946 ql_dbg(ql_dbg_disc, vha, 0x2097, 5947 "Failed to retrieve fcport information " 5948 "-- get_port_database=%x, loop_id=0x%04x.\n", 5949 rval2, new_fcport->loop_id); 5950 /* Skip retry if N2N */ 5951 if (ha->current_topology != ISP_CFG_N) { 5952 ql_dbg(ql_dbg_disc, vha, 0x2105, 5953 "Scheduling resync.\n"); 5954 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); 5955 continue; 5956 } 5957 } 5958 5959 spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags); 5960 /* Check for matching device in port list. */ 5961 found = 0; 5962 fcport = NULL; 5963 list_for_each_entry(fcport, &vha->vp_fcports, list) { 5964 if (memcmp(new_fcport->port_name, fcport->port_name, 5965 WWN_SIZE)) 5966 continue; 5967 5968 fcport->flags &= ~FCF_FABRIC_DEVICE; 5969 fcport->loop_id = new_fcport->loop_id; 5970 fcport->port_type = new_fcport->port_type; 5971 fcport->d_id.b24 = new_fcport->d_id.b24; 5972 memcpy(fcport->node_name, new_fcport->node_name, 5973 WWN_SIZE); 5974 fcport->scan_state = QLA_FCPORT_FOUND; 5975 if (fcport->login_retry == 0) { 5976 fcport->login_retry = vha->hw->login_retry_count; 5977 ql_dbg(ql_dbg_disc, vha, 0x2135, 5978 "Port login retry %8phN, lid 0x%04x retry cnt=%d.\n", 5979 fcport->port_name, fcport->loop_id, 5980 fcport->login_retry); 5981 } 5982 found++; 5983 break; 5984 } 5985 5986 if (!found) { 5987 /* New device, add to fcports list. */ 5988 list_add_tail(&new_fcport->list, &vha->vp_fcports); 5989 5990 /* Allocate a new replacement fcport. */ 5991 fcport = new_fcport; 5992 5993 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags); 5994 5995 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL); 5996 5997 if (new_fcport == NULL) { 5998 ql_log(ql_log_warn, vha, 0xd031, 5999 "Failed to allocate memory for fcport.\n"); 6000 rval = QLA_MEMORY_ALLOC_FAILED; 6001 goto err; 6002 } 6003 spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags); 6004 new_fcport->flags &= ~FCF_FABRIC_DEVICE; 6005 } 6006 6007 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags); 6008 6009 /* Base iIDMA settings on HBA port speed. */ 6010 fcport->fp_speed = ha->link_data_rate; 6011 } 6012 6013 list_for_each_entry(fcport, &vha->vp_fcports, list) { 6014 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) 6015 break; 6016 6017 if (fcport->scan_state == QLA_FCPORT_SCAN) { 6018 if ((qla_dual_mode_enabled(vha) || 6019 qla_ini_mode_enabled(vha)) && 6020 atomic_read(&fcport->state) == FCS_ONLINE) { 6021 qla2x00_mark_device_lost(vha, fcport, 6022 ql2xplogiabsentdevice); 6023 if (fcport->loop_id != FC_NO_LOOP_ID && 6024 (fcport->flags & FCF_FCP2_DEVICE) == 0 && 6025 fcport->port_type != FCT_INITIATOR && 6026 fcport->port_type != FCT_BROADCAST) { 6027 ql_dbg(ql_dbg_disc, vha, 0x20f0, 6028 "%s %d %8phC post del sess\n", 6029 __func__, __LINE__, 6030 fcport->port_name); 6031 6032 qlt_schedule_sess_for_deletion(fcport); 6033 continue; 6034 } 6035 } 6036 } 6037 6038 if (fcport->scan_state == QLA_FCPORT_FOUND) 6039 qla24xx_fcport_handle_login(vha, fcport); 6040 } 6041 6042 qla2x00_free_fcport(new_fcport); 6043 6044 return rval; 6045 6046 err: 6047 ql_dbg(ql_dbg_disc, vha, 0x2098, 6048 "Configure local loop error exit: rval=%x.\n", rval); 6049 return rval; 6050 } 6051 6052 static void 6053 qla2x00_iidma_fcport(scsi_qla_host_t *vha, fc_port_t *fcport) 6054 { 6055 int rval; 6056 uint16_t mb[MAILBOX_REGISTER_COUNT]; 6057 struct qla_hw_data *ha = vha->hw; 6058 6059 if (!IS_IIDMA_CAPABLE(ha)) 6060 return; 6061 6062 if (atomic_read(&fcport->state) != FCS_ONLINE) 6063 return; 6064 6065 if (fcport->fp_speed == PORT_SPEED_UNKNOWN || 6066 fcport->fp_speed > ha->link_data_rate || 6067 !ha->flags.gpsc_supported) 6068 return; 6069 6070 rval = qla2x00_set_idma_speed(vha, fcport->loop_id, fcport->fp_speed, 6071 mb); 6072 if (rval != QLA_SUCCESS) { 6073 ql_dbg(ql_dbg_disc, vha, 0x2004, 6074 "Unable to adjust iIDMA %8phN -- %04x %x %04x %04x.\n", 6075 fcport->port_name, rval, fcport->fp_speed, mb[0], mb[1]); 6076 } else { 6077 ql_dbg(ql_dbg_disc, vha, 0x2005, 6078 "iIDMA adjusted to %s GB/s (%X) on %8phN.\n", 6079 qla2x00_get_link_speed_str(ha, fcport->fp_speed), 6080 fcport->fp_speed, fcport->port_name); 6081 } 6082 } 6083 6084 void qla_do_iidma_work(struct scsi_qla_host *vha, fc_port_t *fcport) 6085 { 6086 qla2x00_iidma_fcport(vha, fcport); 6087 qla24xx_update_fcport_fcp_prio(vha, fcport); 6088 } 6089 6090 int qla_post_iidma_work(struct scsi_qla_host *vha, fc_port_t *fcport) 6091 { 6092 struct qla_work_evt *e; 6093 6094 e = qla2x00_alloc_work(vha, QLA_EVT_IIDMA); 6095 if (!e) 6096 return QLA_FUNCTION_FAILED; 6097 6098 e->u.fcport.fcport = fcport; 6099 return qla2x00_post_work(vha, e); 6100 } 6101 6102 /* qla2x00_reg_remote_port is reserved for Initiator Mode only.*/ 6103 static void 6104 qla2x00_reg_remote_port(scsi_qla_host_t *vha, fc_port_t *fcport) 6105 { 6106 struct fc_rport_identifiers rport_ids; 6107 struct fc_rport *rport; 6108 unsigned long flags; 6109 6110 if (atomic_read(&fcport->state) == FCS_ONLINE) 6111 return; 6112 6113 rport_ids.node_name = wwn_to_u64(fcport->node_name); 6114 rport_ids.port_name = wwn_to_u64(fcport->port_name); 6115 rport_ids.port_id = fcport->d_id.b.domain << 16 | 6116 fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa; 6117 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN; 6118 fcport->rport = rport = fc_remote_port_add(vha->host, 0, &rport_ids); 6119 if (!rport) { 6120 ql_log(ql_log_warn, vha, 0x2006, 6121 "Unable to allocate fc remote port.\n"); 6122 return; 6123 } 6124 6125 spin_lock_irqsave(fcport->vha->host->host_lock, flags); 6126 *((fc_port_t **)rport->dd_data) = fcport; 6127 spin_unlock_irqrestore(fcport->vha->host->host_lock, flags); 6128 fcport->dev_loss_tmo = rport->dev_loss_tmo; 6129 6130 rport->supported_classes = fcport->supported_classes; 6131 6132 rport_ids.roles = FC_PORT_ROLE_UNKNOWN; 6133 if (fcport->port_type == FCT_INITIATOR) 6134 rport_ids.roles |= FC_PORT_ROLE_FCP_INITIATOR; 6135 if (fcport->port_type == FCT_TARGET) 6136 rport_ids.roles |= FC_PORT_ROLE_FCP_TARGET; 6137 if (fcport->port_type & FCT_NVME_INITIATOR) 6138 rport_ids.roles |= FC_PORT_ROLE_NVME_INITIATOR; 6139 if (fcport->port_type & FCT_NVME_TARGET) 6140 rport_ids.roles |= FC_PORT_ROLE_NVME_TARGET; 6141 if (fcport->port_type & FCT_NVME_DISCOVERY) 6142 rport_ids.roles |= FC_PORT_ROLE_NVME_DISCOVERY; 6143 6144 fc_remote_port_rolechg(rport, rport_ids.roles); 6145 6146 ql_dbg(ql_dbg_disc, vha, 0x20ee, 6147 "%s: %8phN. rport %ld:0:%d (%p) is %s mode\n", 6148 __func__, fcport->port_name, vha->host_no, 6149 rport->scsi_target_id, rport, 6150 (fcport->port_type == FCT_TARGET) ? "tgt" : 6151 ((fcport->port_type & FCT_NVME) ? "nvme" : "ini")); 6152 } 6153 6154 /* 6155 * qla2x00_update_fcport 6156 * Updates device on list. 6157 * 6158 * Input: 6159 * ha = adapter block pointer. 6160 * fcport = port structure pointer. 6161 * 6162 * Return: 6163 * 0 - Success 6164 * BIT_0 - error 6165 * 6166 * Context: 6167 * Kernel context. 6168 */ 6169 void 6170 qla2x00_update_fcport(scsi_qla_host_t *vha, fc_port_t *fcport) 6171 { 6172 unsigned long flags; 6173 6174 if (IS_SW_RESV_ADDR(fcport->d_id)) 6175 return; 6176 6177 ql_dbg(ql_dbg_disc, vha, 0x20ef, "%s %8phC\n", 6178 __func__, fcport->port_name); 6179 6180 qla2x00_set_fcport_disc_state(fcport, DSC_UPD_FCPORT); 6181 fcport->login_retry = vha->hw->login_retry_count; 6182 fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT); 6183 6184 spin_lock_irqsave(&vha->work_lock, flags); 6185 fcport->deleted = 0; 6186 spin_unlock_irqrestore(&vha->work_lock, flags); 6187 6188 if (vha->hw->current_topology == ISP_CFG_NL) 6189 fcport->logout_on_delete = 0; 6190 else 6191 fcport->logout_on_delete = 1; 6192 fcport->n2n_chip_reset = fcport->n2n_link_reset_cnt = 0; 6193 6194 if (fcport->tgt_link_down_time < fcport->dev_loss_tmo) { 6195 fcport->tgt_short_link_down_cnt++; 6196 fcport->tgt_link_down_time = QLA2XX_MAX_LINK_DOWN_TIME; 6197 } 6198 6199 switch (vha->hw->current_topology) { 6200 case ISP_CFG_N: 6201 case ISP_CFG_NL: 6202 fcport->keep_nport_handle = 1; 6203 break; 6204 default: 6205 break; 6206 } 6207 6208 qla2x00_iidma_fcport(vha, fcport); 6209 6210 qla2x00_dfs_create_rport(vha, fcport); 6211 6212 qla24xx_update_fcport_fcp_prio(vha, fcport); 6213 6214 switch (vha->host->active_mode) { 6215 case MODE_INITIATOR: 6216 qla2x00_reg_remote_port(vha, fcport); 6217 break; 6218 case MODE_TARGET: 6219 if (!vha->vha_tgt.qla_tgt->tgt_stop && 6220 !vha->vha_tgt.qla_tgt->tgt_stopped) 6221 qlt_fc_port_added(vha, fcport); 6222 break; 6223 case MODE_DUAL: 6224 qla2x00_reg_remote_port(vha, fcport); 6225 if (!vha->vha_tgt.qla_tgt->tgt_stop && 6226 !vha->vha_tgt.qla_tgt->tgt_stopped) 6227 qlt_fc_port_added(vha, fcport); 6228 break; 6229 default: 6230 break; 6231 } 6232 6233 if (NVME_TARGET(vha->hw, fcport)) 6234 qla_nvme_register_remote(vha, fcport); 6235 6236 qla2x00_set_fcport_state(fcport, FCS_ONLINE); 6237 6238 if (IS_IIDMA_CAPABLE(vha->hw) && vha->hw->flags.gpsc_supported) { 6239 if (fcport->id_changed) { 6240 fcport->id_changed = 0; 6241 ql_dbg(ql_dbg_disc, vha, 0x20d7, 6242 "%s %d %8phC post gfpnid fcp_cnt %d\n", 6243 __func__, __LINE__, fcport->port_name, 6244 vha->fcport_count); 6245 qla24xx_post_gfpnid_work(vha, fcport); 6246 } else { 6247 ql_dbg(ql_dbg_disc, vha, 0x20d7, 6248 "%s %d %8phC post gpsc fcp_cnt %d\n", 6249 __func__, __LINE__, fcport->port_name, 6250 vha->fcport_count); 6251 qla24xx_post_gpsc_work(vha, fcport); 6252 } 6253 } 6254 6255 qla2x00_set_fcport_disc_state(fcport, DSC_LOGIN_COMPLETE); 6256 } 6257 6258 void qla_register_fcport_fn(struct work_struct *work) 6259 { 6260 fc_port_t *fcport = container_of(work, struct fc_port, reg_work); 6261 u32 rscn_gen = fcport->rscn_gen; 6262 u16 data[2]; 6263 6264 if (IS_SW_RESV_ADDR(fcport->d_id)) 6265 return; 6266 6267 qla2x00_update_fcport(fcport->vha, fcport); 6268 6269 ql_dbg(ql_dbg_disc, fcport->vha, 0x911e, 6270 "%s rscn gen %d/%d next DS %d\n", __func__, 6271 rscn_gen, fcport->rscn_gen, fcport->next_disc_state); 6272 6273 if (rscn_gen != fcport->rscn_gen) { 6274 /* RSCN(s) came in while registration */ 6275 switch (fcport->next_disc_state) { 6276 case DSC_DELETE_PEND: 6277 qlt_schedule_sess_for_deletion(fcport); 6278 break; 6279 case DSC_ADISC: 6280 data[0] = data[1] = 0; 6281 qla2x00_post_async_adisc_work(fcport->vha, fcport, 6282 data); 6283 break; 6284 default: 6285 break; 6286 } 6287 } 6288 } 6289 6290 /* 6291 * qla2x00_configure_fabric 6292 * Setup SNS devices with loop ID's. 6293 * 6294 * Input: 6295 * ha = adapter block pointer. 6296 * 6297 * Returns: 6298 * 0 = success. 6299 * BIT_0 = error 6300 */ 6301 static int 6302 qla2x00_configure_fabric(scsi_qla_host_t *vha) 6303 { 6304 int rval; 6305 fc_port_t *fcport; 6306 uint16_t mb[MAILBOX_REGISTER_COUNT]; 6307 uint16_t loop_id; 6308 struct qla_hw_data *ha = vha->hw; 6309 int discovery_gen; 6310 6311 /* If FL port exists, then SNS is present */ 6312 if (IS_FWI2_CAPABLE(ha)) 6313 loop_id = NPH_F_PORT; 6314 else 6315 loop_id = SNS_FL_PORT; 6316 rval = qla2x00_get_port_name(vha, loop_id, vha->fabric_node_name, 1); 6317 if (rval != QLA_SUCCESS) { 6318 ql_dbg(ql_dbg_disc, vha, 0x20a0, 6319 "MBX_GET_PORT_NAME failed, No FL Port.\n"); 6320 6321 vha->device_flags &= ~SWITCH_FOUND; 6322 return (QLA_SUCCESS); 6323 } 6324 vha->device_flags |= SWITCH_FOUND; 6325 6326 rval = qla2x00_get_port_name(vha, loop_id, vha->fabric_port_name, 0); 6327 if (rval != QLA_SUCCESS) 6328 ql_dbg(ql_dbg_disc, vha, 0x20ff, 6329 "Failed to get Fabric Port Name\n"); 6330 6331 if (qla_tgt_mode_enabled(vha) || qla_dual_mode_enabled(vha)) { 6332 rval = qla2x00_send_change_request(vha, 0x3, 0); 6333 if (rval != QLA_SUCCESS) 6334 ql_log(ql_log_warn, vha, 0x121, 6335 "Failed to enable receiving of RSCN requests: 0x%x.\n", 6336 rval); 6337 } 6338 6339 do { 6340 qla2x00_mgmt_svr_login(vha); 6341 6342 /* Ensure we are logged into the SNS. */ 6343 loop_id = NPH_SNS_LID(ha); 6344 rval = ha->isp_ops->fabric_login(vha, loop_id, 0xff, 0xff, 6345 0xfc, mb, BIT_1|BIT_0); 6346 if (rval != QLA_SUCCESS || mb[0] != MBS_COMMAND_COMPLETE) { 6347 ql_dbg(ql_dbg_disc, vha, 0x20a1, 6348 "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x mb[2]=%x mb[6]=%x mb[7]=%x (%x).\n", 6349 loop_id, mb[0], mb[1], mb[2], mb[6], mb[7], rval); 6350 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); 6351 return rval; 6352 } 6353 6354 /* FDMI support. */ 6355 if (ql2xfdmienable && 6356 test_and_clear_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags)) 6357 qla2x00_fdmi_register(vha); 6358 6359 if (test_and_clear_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags)) { 6360 if (qla2x00_rft_id(vha)) { 6361 /* EMPTY */ 6362 ql_dbg(ql_dbg_disc, vha, 0x20a2, 6363 "Register FC-4 TYPE failed.\n"); 6364 if (test_bit(LOOP_RESYNC_NEEDED, 6365 &vha->dpc_flags)) 6366 break; 6367 } 6368 if (qla2x00_rff_id(vha, FC4_TYPE_FCP_SCSI)) { 6369 /* EMPTY */ 6370 ql_dbg(ql_dbg_disc, vha, 0x209a, 6371 "Register FC-4 Features failed.\n"); 6372 if (test_bit(LOOP_RESYNC_NEEDED, 6373 &vha->dpc_flags)) 6374 break; 6375 } 6376 if (vha->flags.nvme_enabled) { 6377 if (qla2x00_rff_id(vha, FC_TYPE_NVME)) { 6378 ql_dbg(ql_dbg_disc, vha, 0x2049, 6379 "Register NVME FC Type Features failed.\n"); 6380 } 6381 } 6382 if (qla2x00_rnn_id(vha)) { 6383 /* EMPTY */ 6384 ql_dbg(ql_dbg_disc, vha, 0x2104, 6385 "Register Node Name failed.\n"); 6386 if (test_bit(LOOP_RESYNC_NEEDED, 6387 &vha->dpc_flags)) 6388 break; 6389 } else if (qla2x00_rsnn_nn(vha)) { 6390 /* EMPTY */ 6391 ql_dbg(ql_dbg_disc, vha, 0x209b, 6392 "Register Symbolic Node Name failed.\n"); 6393 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) 6394 break; 6395 } 6396 } 6397 6398 6399 /* Mark the time right before querying FW for connected ports. 6400 * This process is long, asynchronous and by the time it's done, 6401 * collected information might not be accurate anymore. E.g. 6402 * disconnected port might have re-connected and a brand new 6403 * session has been created. In this case session's generation 6404 * will be newer than discovery_gen. */ 6405 qlt_do_generation_tick(vha, &discovery_gen); 6406 6407 if (USE_ASYNC_SCAN(ha)) { 6408 /* start of scan begins here */ 6409 vha->scan.rscn_gen_end = atomic_read(&vha->rscn_gen); 6410 qla_fab_scan_start(vha); 6411 } else { 6412 list_for_each_entry(fcport, &vha->vp_fcports, list) 6413 fcport->scan_state = QLA_FCPORT_SCAN; 6414 6415 rval = qla2x00_find_all_fabric_devs(vha); 6416 } 6417 if (rval != QLA_SUCCESS) 6418 break; 6419 } while (0); 6420 6421 if (!vha->nvme_local_port && vha->flags.nvme_enabled) 6422 qla_nvme_register_hba(vha); 6423 6424 if (rval) 6425 ql_dbg(ql_dbg_disc, vha, 0x2068, 6426 "Configure fabric error exit rval=%d.\n", rval); 6427 6428 return (rval); 6429 } 6430 6431 /* 6432 * qla2x00_find_all_fabric_devs 6433 * 6434 * Input: 6435 * ha = adapter block pointer. 6436 * dev = database device entry pointer. 6437 * 6438 * Returns: 6439 * 0 = success. 6440 * 6441 * Context: 6442 * Kernel context. 6443 */ 6444 static int 6445 qla2x00_find_all_fabric_devs(scsi_qla_host_t *vha) 6446 { 6447 int rval; 6448 uint16_t loop_id; 6449 fc_port_t *fcport, *new_fcport; 6450 int found; 6451 6452 sw_info_t *swl; 6453 int swl_idx; 6454 int first_dev, last_dev; 6455 port_id_t wrap = {}, nxt_d_id; 6456 struct qla_hw_data *ha = vha->hw; 6457 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev); 6458 unsigned long flags; 6459 6460 rval = QLA_SUCCESS; 6461 6462 /* Try GID_PT to get device list, else GAN. */ 6463 if (!ha->swl) 6464 ha->swl = kcalloc(ha->max_fibre_devices, sizeof(sw_info_t), 6465 GFP_KERNEL); 6466 swl = ha->swl; 6467 if (!swl) { 6468 /*EMPTY*/ 6469 ql_dbg(ql_dbg_disc, vha, 0x209c, 6470 "GID_PT allocations failed, fallback on GA_NXT.\n"); 6471 } else { 6472 memset(swl, 0, ha->max_fibre_devices * sizeof(sw_info_t)); 6473 if (qla2x00_gid_pt(vha, swl) != QLA_SUCCESS) { 6474 swl = NULL; 6475 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) 6476 return rval; 6477 } else if (qla2x00_gpn_id(vha, swl) != QLA_SUCCESS) { 6478 swl = NULL; 6479 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) 6480 return rval; 6481 } else if (qla2x00_gnn_id(vha, swl) != QLA_SUCCESS) { 6482 swl = NULL; 6483 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) 6484 return rval; 6485 } else if (qla2x00_gfpn_id(vha, swl) != QLA_SUCCESS) { 6486 swl = NULL; 6487 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) 6488 return rval; 6489 } 6490 6491 /* If other queries succeeded probe for FC-4 type */ 6492 if (swl) { 6493 qla2x00_gff_id(vha, swl); 6494 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) 6495 return rval; 6496 } 6497 } 6498 swl_idx = 0; 6499 6500 /* Allocate temporary fcport for any new fcports discovered. */ 6501 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL); 6502 if (new_fcport == NULL) { 6503 ql_log(ql_log_warn, vha, 0x209d, 6504 "Failed to allocate memory for fcport.\n"); 6505 return (QLA_MEMORY_ALLOC_FAILED); 6506 } 6507 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED); 6508 /* Set start port ID scan at adapter ID. */ 6509 first_dev = 1; 6510 last_dev = 0; 6511 6512 /* Starting free loop ID. */ 6513 loop_id = ha->min_external_loopid; 6514 for (; loop_id <= ha->max_loop_id; loop_id++) { 6515 if (qla2x00_is_reserved_id(vha, loop_id)) 6516 continue; 6517 6518 if (ha->current_topology == ISP_CFG_FL && 6519 (atomic_read(&vha->loop_down_timer) || 6520 LOOP_TRANSITION(vha))) { 6521 atomic_set(&vha->loop_down_timer, 0); 6522 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); 6523 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); 6524 break; 6525 } 6526 6527 if (swl != NULL) { 6528 if (last_dev) { 6529 wrap.b24 = new_fcport->d_id.b24; 6530 } else { 6531 new_fcport->d_id.b24 = swl[swl_idx].d_id.b24; 6532 memcpy(new_fcport->node_name, 6533 swl[swl_idx].node_name, WWN_SIZE); 6534 memcpy(new_fcport->port_name, 6535 swl[swl_idx].port_name, WWN_SIZE); 6536 memcpy(new_fcport->fabric_port_name, 6537 swl[swl_idx].fabric_port_name, WWN_SIZE); 6538 new_fcport->fp_speed = swl[swl_idx].fp_speed; 6539 new_fcport->fc4_type = swl[swl_idx].fc4_type; 6540 6541 new_fcport->nvme_flag = 0; 6542 if (vha->flags.nvme_enabled && 6543 swl[swl_idx].fc4_type & FS_FC4TYPE_NVME) { 6544 ql_log(ql_log_info, vha, 0x2131, 6545 "FOUND: NVME port %8phC as FC Type 28h\n", 6546 new_fcport->port_name); 6547 } 6548 6549 if (swl[swl_idx].d_id.b.rsvd_1 != 0) { 6550 last_dev = 1; 6551 } 6552 swl_idx++; 6553 } 6554 } else { 6555 /* Send GA_NXT to the switch */ 6556 rval = qla2x00_ga_nxt(vha, new_fcport); 6557 if (rval != QLA_SUCCESS) { 6558 ql_log(ql_log_warn, vha, 0x209e, 6559 "SNS scan failed -- assuming " 6560 "zero-entry result.\n"); 6561 rval = QLA_SUCCESS; 6562 break; 6563 } 6564 } 6565 6566 /* If wrap on switch device list, exit. */ 6567 if (first_dev) { 6568 wrap.b24 = new_fcport->d_id.b24; 6569 first_dev = 0; 6570 } else if (new_fcport->d_id.b24 == wrap.b24) { 6571 ql_dbg(ql_dbg_disc, vha, 0x209f, 6572 "Device wrap (%02x%02x%02x).\n", 6573 new_fcport->d_id.b.domain, 6574 new_fcport->d_id.b.area, 6575 new_fcport->d_id.b.al_pa); 6576 break; 6577 } 6578 6579 /* Bypass if same physical adapter. */ 6580 if (new_fcport->d_id.b24 == base_vha->d_id.b24) 6581 continue; 6582 6583 /* Bypass virtual ports of the same host. */ 6584 if (qla2x00_is_a_vp_did(vha, new_fcport->d_id.b24)) 6585 continue; 6586 6587 /* Bypass if same domain and area of adapter. */ 6588 if (((new_fcport->d_id.b24 & 0xffff00) == 6589 (vha->d_id.b24 & 0xffff00)) && ha->current_topology == 6590 ISP_CFG_FL) 6591 continue; 6592 6593 /* Bypass reserved domain fields. */ 6594 if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0) 6595 continue; 6596 6597 /* Bypass ports whose FCP-4 type is not FCP_SCSI */ 6598 if (ql2xgffidenable && 6599 (!(new_fcport->fc4_type & FS_FC4TYPE_FCP) && 6600 new_fcport->fc4_type != 0)) 6601 continue; 6602 6603 spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags); 6604 6605 /* Locate matching device in database. */ 6606 found = 0; 6607 list_for_each_entry(fcport, &vha->vp_fcports, list) { 6608 if (memcmp(new_fcport->port_name, fcport->port_name, 6609 WWN_SIZE)) 6610 continue; 6611 6612 fcport->scan_state = QLA_FCPORT_FOUND; 6613 6614 found++; 6615 6616 /* Update port state. */ 6617 memcpy(fcport->fabric_port_name, 6618 new_fcport->fabric_port_name, WWN_SIZE); 6619 fcport->fp_speed = new_fcport->fp_speed; 6620 6621 /* 6622 * If address the same and state FCS_ONLINE 6623 * (or in target mode), nothing changed. 6624 */ 6625 if (fcport->d_id.b24 == new_fcport->d_id.b24 && 6626 (atomic_read(&fcport->state) == FCS_ONLINE || 6627 (vha->host->active_mode == MODE_TARGET))) { 6628 break; 6629 } 6630 6631 if (fcport->login_retry == 0) 6632 fcport->login_retry = 6633 vha->hw->login_retry_count; 6634 /* 6635 * If device was not a fabric device before. 6636 */ 6637 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) { 6638 fcport->d_id.b24 = new_fcport->d_id.b24; 6639 qla2x00_clear_loop_id(fcport); 6640 fcport->flags |= (FCF_FABRIC_DEVICE | 6641 FCF_LOGIN_NEEDED); 6642 break; 6643 } 6644 6645 /* 6646 * Port ID changed or device was marked to be updated; 6647 * Log it out if still logged in and mark it for 6648 * relogin later. 6649 */ 6650 if (qla_tgt_mode_enabled(base_vha)) { 6651 ql_dbg(ql_dbg_tgt_mgt, vha, 0xf080, 6652 "port changed FC ID, %8phC" 6653 " old %x:%x:%x (loop_id 0x%04x)-> new %x:%x:%x\n", 6654 fcport->port_name, 6655 fcport->d_id.b.domain, 6656 fcport->d_id.b.area, 6657 fcport->d_id.b.al_pa, 6658 fcport->loop_id, 6659 new_fcport->d_id.b.domain, 6660 new_fcport->d_id.b.area, 6661 new_fcport->d_id.b.al_pa); 6662 fcport->d_id.b24 = new_fcport->d_id.b24; 6663 break; 6664 } 6665 6666 fcport->d_id.b24 = new_fcport->d_id.b24; 6667 fcport->flags |= FCF_LOGIN_NEEDED; 6668 break; 6669 } 6670 6671 if (found && NVME_TARGET(vha->hw, fcport)) { 6672 if (fcport->disc_state == DSC_DELETE_PEND) { 6673 qla2x00_set_fcport_disc_state(fcport, DSC_GNL); 6674 vha->fcport_count--; 6675 fcport->login_succ = 0; 6676 } 6677 } 6678 6679 if (found) { 6680 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags); 6681 continue; 6682 } 6683 /* If device was not in our fcports list, then add it. */ 6684 new_fcport->scan_state = QLA_FCPORT_FOUND; 6685 list_add_tail(&new_fcport->list, &vha->vp_fcports); 6686 6687 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags); 6688 6689 6690 /* Allocate a new replacement fcport. */ 6691 nxt_d_id.b24 = new_fcport->d_id.b24; 6692 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL); 6693 if (new_fcport == NULL) { 6694 ql_log(ql_log_warn, vha, 0xd032, 6695 "Memory allocation failed for fcport.\n"); 6696 return (QLA_MEMORY_ALLOC_FAILED); 6697 } 6698 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED); 6699 new_fcport->d_id.b24 = nxt_d_id.b24; 6700 } 6701 6702 qla2x00_free_fcport(new_fcport); 6703 6704 /* 6705 * Logout all previous fabric dev marked lost, except FCP2 devices. 6706 */ 6707 list_for_each_entry(fcport, &vha->vp_fcports, list) { 6708 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) 6709 break; 6710 6711 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) 6712 continue; 6713 6714 if (fcport->scan_state == QLA_FCPORT_SCAN) { 6715 if ((qla_dual_mode_enabled(vha) || 6716 qla_ini_mode_enabled(vha)) && 6717 atomic_read(&fcport->state) == FCS_ONLINE) { 6718 qla2x00_mark_device_lost(vha, fcport, 6719 ql2xplogiabsentdevice); 6720 if (fcport->loop_id != FC_NO_LOOP_ID && 6721 (fcport->flags & FCF_FCP2_DEVICE) == 0 && 6722 fcport->port_type != FCT_INITIATOR && 6723 fcport->port_type != FCT_BROADCAST) { 6724 ql_dbg(ql_dbg_disc, vha, 0x20f0, 6725 "%s %d %8phC post del sess\n", 6726 __func__, __LINE__, 6727 fcport->port_name); 6728 qlt_schedule_sess_for_deletion(fcport); 6729 continue; 6730 } 6731 } 6732 } 6733 6734 if (fcport->scan_state == QLA_FCPORT_FOUND && 6735 (fcport->flags & FCF_LOGIN_NEEDED) != 0) 6736 qla24xx_fcport_handle_login(vha, fcport); 6737 } 6738 return (rval); 6739 } 6740 6741 /* FW does not set aside Loop id for MGMT Server/FFFFFAh */ 6742 int 6743 qla2x00_reserve_mgmt_server_loop_id(scsi_qla_host_t *vha) 6744 { 6745 int loop_id = FC_NO_LOOP_ID; 6746 int lid = NPH_MGMT_SERVER - vha->vp_idx; 6747 unsigned long flags; 6748 struct qla_hw_data *ha = vha->hw; 6749 6750 if (vha->vp_idx == 0) { 6751 set_bit(NPH_MGMT_SERVER, ha->loop_id_map); 6752 return NPH_MGMT_SERVER; 6753 } 6754 6755 /* pick id from high and work down to low */ 6756 spin_lock_irqsave(&ha->vport_slock, flags); 6757 for (; lid > 0; lid--) { 6758 if (!test_bit(lid, vha->hw->loop_id_map)) { 6759 set_bit(lid, vha->hw->loop_id_map); 6760 loop_id = lid; 6761 break; 6762 } 6763 } 6764 spin_unlock_irqrestore(&ha->vport_slock, flags); 6765 6766 return loop_id; 6767 } 6768 6769 /* 6770 * qla2x00_fabric_login 6771 * Issue fabric login command. 6772 * 6773 * Input: 6774 * ha = adapter block pointer. 6775 * device = pointer to FC device type structure. 6776 * 6777 * Returns: 6778 * 0 - Login successfully 6779 * 1 - Login failed 6780 * 2 - Initiator device 6781 * 3 - Fatal error 6782 */ 6783 int 6784 qla2x00_fabric_login(scsi_qla_host_t *vha, fc_port_t *fcport, 6785 uint16_t *next_loopid) 6786 { 6787 int rval; 6788 int retry; 6789 uint16_t tmp_loopid; 6790 uint16_t mb[MAILBOX_REGISTER_COUNT]; 6791 struct qla_hw_data *ha = vha->hw; 6792 6793 retry = 0; 6794 tmp_loopid = 0; 6795 6796 for (;;) { 6797 ql_dbg(ql_dbg_disc, vha, 0x2000, 6798 "Trying Fabric Login w/loop id 0x%04x for port " 6799 "%02x%02x%02x.\n", 6800 fcport->loop_id, fcport->d_id.b.domain, 6801 fcport->d_id.b.area, fcport->d_id.b.al_pa); 6802 6803 /* Login fcport on switch. */ 6804 rval = ha->isp_ops->fabric_login(vha, fcport->loop_id, 6805 fcport->d_id.b.domain, fcport->d_id.b.area, 6806 fcport->d_id.b.al_pa, mb, BIT_0); 6807 if (rval != QLA_SUCCESS) { 6808 return rval; 6809 } 6810 if (mb[0] == MBS_PORT_ID_USED) { 6811 /* 6812 * Device has another loop ID. The firmware team 6813 * recommends the driver perform an implicit login with 6814 * the specified ID again. The ID we just used is save 6815 * here so we return with an ID that can be tried by 6816 * the next login. 6817 */ 6818 retry++; 6819 tmp_loopid = fcport->loop_id; 6820 fcport->loop_id = mb[1]; 6821 6822 ql_dbg(ql_dbg_disc, vha, 0x2001, 6823 "Fabric Login: port in use - next loop " 6824 "id=0x%04x, port id= %02x%02x%02x.\n", 6825 fcport->loop_id, fcport->d_id.b.domain, 6826 fcport->d_id.b.area, fcport->d_id.b.al_pa); 6827 6828 } else if (mb[0] == MBS_COMMAND_COMPLETE) { 6829 /* 6830 * Login succeeded. 6831 */ 6832 if (retry) { 6833 /* A retry occurred before. */ 6834 *next_loopid = tmp_loopid; 6835 } else { 6836 /* 6837 * No retry occurred before. Just increment the 6838 * ID value for next login. 6839 */ 6840 *next_loopid = (fcport->loop_id + 1); 6841 } 6842 6843 if (mb[1] & BIT_0) { 6844 fcport->port_type = FCT_INITIATOR; 6845 } else { 6846 fcport->port_type = FCT_TARGET; 6847 if (mb[1] & BIT_1) { 6848 fcport->flags |= FCF_FCP2_DEVICE; 6849 } 6850 } 6851 6852 if (mb[10] & BIT_0) 6853 fcport->supported_classes |= FC_COS_CLASS2; 6854 if (mb[10] & BIT_1) 6855 fcport->supported_classes |= FC_COS_CLASS3; 6856 6857 if (IS_FWI2_CAPABLE(ha)) { 6858 if (mb[10] & BIT_7) 6859 fcport->flags |= 6860 FCF_CONF_COMP_SUPPORTED; 6861 } 6862 6863 rval = QLA_SUCCESS; 6864 break; 6865 } else if (mb[0] == MBS_LOOP_ID_USED) { 6866 /* 6867 * Loop ID already used, try next loop ID. 6868 */ 6869 fcport->loop_id++; 6870 rval = qla2x00_find_new_loop_id(vha, fcport); 6871 if (rval != QLA_SUCCESS) { 6872 /* Ran out of loop IDs to use */ 6873 break; 6874 } 6875 } else if (mb[0] == MBS_COMMAND_ERROR) { 6876 /* 6877 * Firmware possibly timed out during login. If NO 6878 * retries are left to do then the device is declared 6879 * dead. 6880 */ 6881 *next_loopid = fcport->loop_id; 6882 ha->isp_ops->fabric_logout(vha, fcport->loop_id, 6883 fcport->d_id.b.domain, fcport->d_id.b.area, 6884 fcport->d_id.b.al_pa); 6885 qla2x00_mark_device_lost(vha, fcport, 1); 6886 6887 rval = 1; 6888 break; 6889 } else { 6890 /* 6891 * unrecoverable / not handled error 6892 */ 6893 ql_dbg(ql_dbg_disc, vha, 0x2002, 6894 "Failed=%x port_id=%02x%02x%02x loop_id=%x " 6895 "jiffies=%lx.\n", mb[0], fcport->d_id.b.domain, 6896 fcport->d_id.b.area, fcport->d_id.b.al_pa, 6897 fcport->loop_id, jiffies); 6898 6899 *next_loopid = fcport->loop_id; 6900 ha->isp_ops->fabric_logout(vha, fcport->loop_id, 6901 fcport->d_id.b.domain, fcport->d_id.b.area, 6902 fcport->d_id.b.al_pa); 6903 qla2x00_clear_loop_id(fcport); 6904 fcport->login_retry = 0; 6905 6906 rval = 3; 6907 break; 6908 } 6909 } 6910 6911 return (rval); 6912 } 6913 6914 /* 6915 * qla2x00_local_device_login 6916 * Issue local device login command. 6917 * 6918 * Input: 6919 * ha = adapter block pointer. 6920 * loop_id = loop id of device to login to. 6921 * 6922 * Returns (Where's the #define!!!!): 6923 * 0 - Login successfully 6924 * 1 - Login failed 6925 * 3 - Fatal error 6926 */ 6927 int 6928 qla2x00_local_device_login(scsi_qla_host_t *vha, fc_port_t *fcport) 6929 { 6930 int rval; 6931 uint16_t mb[MAILBOX_REGISTER_COUNT]; 6932 6933 memset(mb, 0, sizeof(mb)); 6934 rval = qla2x00_login_local_device(vha, fcport, mb, BIT_0); 6935 if (rval == QLA_SUCCESS) { 6936 /* Interrogate mailbox registers for any errors */ 6937 if (mb[0] == MBS_COMMAND_ERROR) 6938 rval = 1; 6939 else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR) 6940 /* device not in PCB table */ 6941 rval = 3; 6942 } 6943 6944 return (rval); 6945 } 6946 6947 /* 6948 * qla2x00_loop_resync 6949 * Resync with fibre channel devices. 6950 * 6951 * Input: 6952 * ha = adapter block pointer. 6953 * 6954 * Returns: 6955 * 0 = success 6956 */ 6957 int 6958 qla2x00_loop_resync(scsi_qla_host_t *vha) 6959 { 6960 int rval = QLA_SUCCESS; 6961 uint32_t wait_time; 6962 6963 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags); 6964 if (vha->flags.online) { 6965 if (!(rval = qla2x00_fw_ready(vha))) { 6966 /* Wait at most MAX_TARGET RSCNs for a stable link. */ 6967 wait_time = 256; 6968 do { 6969 if (!IS_QLAFX00(vha->hw)) { 6970 /* 6971 * Issue a marker after FW becomes 6972 * ready. 6973 */ 6974 qla2x00_marker(vha, vha->hw->base_qpair, 6975 0, 0, MK_SYNC_ALL); 6976 vha->marker_needed = 0; 6977 } 6978 6979 /* Remap devices on Loop. */ 6980 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); 6981 6982 if (IS_QLAFX00(vha->hw)) 6983 qlafx00_configure_devices(vha); 6984 else 6985 qla2x00_configure_loop(vha); 6986 6987 wait_time--; 6988 } while (!atomic_read(&vha->loop_down_timer) && 6989 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags)) 6990 && wait_time && (test_bit(LOOP_RESYNC_NEEDED, 6991 &vha->dpc_flags))); 6992 } 6993 } 6994 6995 if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags)) 6996 return (QLA_FUNCTION_FAILED); 6997 6998 if (rval) 6999 ql_dbg(ql_dbg_disc, vha, 0x206c, 7000 "%s *** FAILED ***.\n", __func__); 7001 7002 return (rval); 7003 } 7004 7005 /* 7006 * qla2x00_perform_loop_resync 7007 * Description: This function will set the appropriate flags and call 7008 * qla2x00_loop_resync. If successful loop will be resynced 7009 * Arguments : scsi_qla_host_t pointer 7010 * returm : Success or Failure 7011 */ 7012 7013 int qla2x00_perform_loop_resync(scsi_qla_host_t *ha) 7014 { 7015 int32_t rval = 0; 7016 7017 if (!test_and_set_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags)) { 7018 /*Configure the flags so that resync happens properly*/ 7019 atomic_set(&ha->loop_down_timer, 0); 7020 if (!(ha->device_flags & DFLG_NO_CABLE)) { 7021 atomic_set(&ha->loop_state, LOOP_UP); 7022 set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags); 7023 set_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags); 7024 set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags); 7025 7026 rval = qla2x00_loop_resync(ha); 7027 } else 7028 atomic_set(&ha->loop_state, LOOP_DEAD); 7029 7030 clear_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags); 7031 } 7032 7033 return rval; 7034 } 7035 7036 /* Assumes idc_lock always held on entry */ 7037 void 7038 qla83xx_reset_ownership(scsi_qla_host_t *vha) 7039 { 7040 struct qla_hw_data *ha = vha->hw; 7041 uint32_t drv_presence, drv_presence_mask; 7042 uint32_t dev_part_info1, dev_part_info2, class_type; 7043 uint32_t class_type_mask = 0x3; 7044 uint16_t fcoe_other_function = 0xffff, i; 7045 7046 if (IS_QLA8044(ha)) { 7047 drv_presence = qla8044_rd_direct(vha, 7048 QLA8044_CRB_DRV_ACTIVE_INDEX); 7049 dev_part_info1 = qla8044_rd_direct(vha, 7050 QLA8044_CRB_DEV_PART_INFO_INDEX); 7051 dev_part_info2 = qla8044_rd_direct(vha, 7052 QLA8044_CRB_DEV_PART_INFO2); 7053 } else { 7054 qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence); 7055 qla83xx_rd_reg(vha, QLA83XX_DEV_PARTINFO1, &dev_part_info1); 7056 qla83xx_rd_reg(vha, QLA83XX_DEV_PARTINFO2, &dev_part_info2); 7057 } 7058 for (i = 0; i < 8; i++) { 7059 class_type = ((dev_part_info1 >> (i * 4)) & class_type_mask); 7060 if ((class_type == QLA83XX_CLASS_TYPE_FCOE) && 7061 (i != ha->portnum)) { 7062 fcoe_other_function = i; 7063 break; 7064 } 7065 } 7066 if (fcoe_other_function == 0xffff) { 7067 for (i = 0; i < 8; i++) { 7068 class_type = ((dev_part_info2 >> (i * 4)) & 7069 class_type_mask); 7070 if ((class_type == QLA83XX_CLASS_TYPE_FCOE) && 7071 ((i + 8) != ha->portnum)) { 7072 fcoe_other_function = i + 8; 7073 break; 7074 } 7075 } 7076 } 7077 /* 7078 * Prepare drv-presence mask based on fcoe functions present. 7079 * However consider only valid physical fcoe function numbers (0-15). 7080 */ 7081 drv_presence_mask = ~((1 << (ha->portnum)) | 7082 ((fcoe_other_function == 0xffff) ? 7083 0 : (1 << (fcoe_other_function)))); 7084 7085 /* We are the reset owner iff: 7086 * - No other protocol drivers present. 7087 * - This is the lowest among fcoe functions. */ 7088 if (!(drv_presence & drv_presence_mask) && 7089 (ha->portnum < fcoe_other_function)) { 7090 ql_dbg(ql_dbg_p3p, vha, 0xb07f, 7091 "This host is Reset owner.\n"); 7092 ha->flags.nic_core_reset_owner = 1; 7093 } 7094 } 7095 7096 static int 7097 __qla83xx_set_drv_ack(scsi_qla_host_t *vha) 7098 { 7099 int rval = QLA_SUCCESS; 7100 struct qla_hw_data *ha = vha->hw; 7101 uint32_t drv_ack; 7102 7103 rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRIVER_ACK, &drv_ack); 7104 if (rval == QLA_SUCCESS) { 7105 drv_ack |= (1 << ha->portnum); 7106 rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRIVER_ACK, drv_ack); 7107 } 7108 7109 return rval; 7110 } 7111 7112 static int 7113 __qla83xx_clear_drv_ack(scsi_qla_host_t *vha) 7114 { 7115 int rval = QLA_SUCCESS; 7116 struct qla_hw_data *ha = vha->hw; 7117 uint32_t drv_ack; 7118 7119 rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRIVER_ACK, &drv_ack); 7120 if (rval == QLA_SUCCESS) { 7121 drv_ack &= ~(1 << ha->portnum); 7122 rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRIVER_ACK, drv_ack); 7123 } 7124 7125 return rval; 7126 } 7127 7128 /* Assumes idc-lock always held on entry */ 7129 void 7130 qla83xx_idc_audit(scsi_qla_host_t *vha, int audit_type) 7131 { 7132 struct qla_hw_data *ha = vha->hw; 7133 uint32_t idc_audit_reg = 0, duration_secs = 0; 7134 7135 switch (audit_type) { 7136 case IDC_AUDIT_TIMESTAMP: 7137 ha->idc_audit_ts = (jiffies_to_msecs(jiffies) / 1000); 7138 idc_audit_reg = (ha->portnum) | 7139 (IDC_AUDIT_TIMESTAMP << 7) | (ha->idc_audit_ts << 8); 7140 qla83xx_wr_reg(vha, QLA83XX_IDC_AUDIT, idc_audit_reg); 7141 break; 7142 7143 case IDC_AUDIT_COMPLETION: 7144 duration_secs = ((jiffies_to_msecs(jiffies) - 7145 jiffies_to_msecs(ha->idc_audit_ts)) / 1000); 7146 idc_audit_reg = (ha->portnum) | 7147 (IDC_AUDIT_COMPLETION << 7) | (duration_secs << 8); 7148 qla83xx_wr_reg(vha, QLA83XX_IDC_AUDIT, idc_audit_reg); 7149 break; 7150 7151 default: 7152 ql_log(ql_log_warn, vha, 0xb078, 7153 "Invalid audit type specified.\n"); 7154 break; 7155 } 7156 } 7157 7158 /* Assumes idc_lock always held on entry */ 7159 static int 7160 qla83xx_initiating_reset(scsi_qla_host_t *vha) 7161 { 7162 struct qla_hw_data *ha = vha->hw; 7163 uint32_t idc_control, dev_state; 7164 7165 __qla83xx_get_idc_control(vha, &idc_control); 7166 if ((idc_control & QLA83XX_IDC_RESET_DISABLED)) { 7167 ql_log(ql_log_info, vha, 0xb080, 7168 "NIC Core reset has been disabled. idc-control=0x%x\n", 7169 idc_control); 7170 return QLA_FUNCTION_FAILED; 7171 } 7172 7173 /* Set NEED-RESET iff in READY state and we are the reset-owner */ 7174 qla83xx_rd_reg(vha, QLA83XX_IDC_DEV_STATE, &dev_state); 7175 if (ha->flags.nic_core_reset_owner && dev_state == QLA8XXX_DEV_READY) { 7176 qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, 7177 QLA8XXX_DEV_NEED_RESET); 7178 ql_log(ql_log_info, vha, 0xb056, "HW State: NEED RESET.\n"); 7179 qla83xx_idc_audit(vha, IDC_AUDIT_TIMESTAMP); 7180 } else { 7181 ql_log(ql_log_info, vha, 0xb057, "HW State: %s.\n", 7182 qdev_state(dev_state)); 7183 7184 /* SV: XXX: Is timeout required here? */ 7185 /* Wait for IDC state change READY -> NEED_RESET */ 7186 while (dev_state == QLA8XXX_DEV_READY) { 7187 qla83xx_idc_unlock(vha, 0); 7188 msleep(200); 7189 qla83xx_idc_lock(vha, 0); 7190 qla83xx_rd_reg(vha, QLA83XX_IDC_DEV_STATE, &dev_state); 7191 } 7192 } 7193 7194 /* Send IDC ack by writing to drv-ack register */ 7195 __qla83xx_set_drv_ack(vha); 7196 7197 return QLA_SUCCESS; 7198 } 7199 7200 int 7201 __qla83xx_set_idc_control(scsi_qla_host_t *vha, uint32_t idc_control) 7202 { 7203 return qla83xx_wr_reg(vha, QLA83XX_IDC_CONTROL, idc_control); 7204 } 7205 7206 int 7207 __qla83xx_get_idc_control(scsi_qla_host_t *vha, uint32_t *idc_control) 7208 { 7209 return qla83xx_rd_reg(vha, QLA83XX_IDC_CONTROL, idc_control); 7210 } 7211 7212 static int 7213 qla83xx_check_driver_presence(scsi_qla_host_t *vha) 7214 { 7215 uint32_t drv_presence = 0; 7216 struct qla_hw_data *ha = vha->hw; 7217 7218 qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence); 7219 if (drv_presence & (1 << ha->portnum)) 7220 return QLA_SUCCESS; 7221 else 7222 return QLA_TEST_FAILED; 7223 } 7224 7225 int 7226 qla83xx_nic_core_reset(scsi_qla_host_t *vha) 7227 { 7228 int rval = QLA_SUCCESS; 7229 struct qla_hw_data *ha = vha->hw; 7230 7231 ql_dbg(ql_dbg_p3p, vha, 0xb058, 7232 "Entered %s().\n", __func__); 7233 7234 if (vha->device_flags & DFLG_DEV_FAILED) { 7235 ql_log(ql_log_warn, vha, 0xb059, 7236 "Device in unrecoverable FAILED state.\n"); 7237 return QLA_FUNCTION_FAILED; 7238 } 7239 7240 qla83xx_idc_lock(vha, 0); 7241 7242 if (qla83xx_check_driver_presence(vha) != QLA_SUCCESS) { 7243 ql_log(ql_log_warn, vha, 0xb05a, 7244 "Function=0x%x has been removed from IDC participation.\n", 7245 ha->portnum); 7246 rval = QLA_FUNCTION_FAILED; 7247 goto exit; 7248 } 7249 7250 qla83xx_reset_ownership(vha); 7251 7252 rval = qla83xx_initiating_reset(vha); 7253 7254 /* 7255 * Perform reset if we are the reset-owner, 7256 * else wait till IDC state changes to READY/FAILED. 7257 */ 7258 if (rval == QLA_SUCCESS) { 7259 rval = qla83xx_idc_state_handler(vha); 7260 7261 if (rval == QLA_SUCCESS) 7262 ha->flags.nic_core_hung = 0; 7263 __qla83xx_clear_drv_ack(vha); 7264 } 7265 7266 exit: 7267 qla83xx_idc_unlock(vha, 0); 7268 7269 ql_dbg(ql_dbg_p3p, vha, 0xb05b, "Exiting %s.\n", __func__); 7270 7271 return rval; 7272 } 7273 7274 int 7275 qla2xxx_mctp_dump(scsi_qla_host_t *vha) 7276 { 7277 struct qla_hw_data *ha = vha->hw; 7278 int rval = QLA_FUNCTION_FAILED; 7279 7280 if (!IS_MCTP_CAPABLE(ha)) { 7281 /* This message can be removed from the final version */ 7282 ql_log(ql_log_info, vha, 0x506d, 7283 "This board is not MCTP capable\n"); 7284 return rval; 7285 } 7286 7287 if (!ha->mctp_dump) { 7288 ha->mctp_dump = dma_alloc_coherent(&ha->pdev->dev, 7289 MCTP_DUMP_SIZE, &ha->mctp_dump_dma, GFP_KERNEL); 7290 7291 if (!ha->mctp_dump) { 7292 ql_log(ql_log_warn, vha, 0x506e, 7293 "Failed to allocate memory for mctp dump\n"); 7294 return rval; 7295 } 7296 } 7297 7298 #define MCTP_DUMP_STR_ADDR 0x00000000 7299 rval = qla2x00_dump_mctp_data(vha, ha->mctp_dump_dma, 7300 MCTP_DUMP_STR_ADDR, MCTP_DUMP_SIZE/4); 7301 if (rval != QLA_SUCCESS) { 7302 ql_log(ql_log_warn, vha, 0x506f, 7303 "Failed to capture mctp dump\n"); 7304 } else { 7305 ql_log(ql_log_info, vha, 0x5070, 7306 "Mctp dump capture for host (%ld/%p).\n", 7307 vha->host_no, ha->mctp_dump); 7308 ha->mctp_dumped = 1; 7309 } 7310 7311 if (!ha->flags.nic_core_reset_hdlr_active && !ha->portnum) { 7312 ha->flags.nic_core_reset_hdlr_active = 1; 7313 rval = qla83xx_restart_nic_firmware(vha); 7314 if (rval) 7315 /* NIC Core reset failed. */ 7316 ql_log(ql_log_warn, vha, 0x5071, 7317 "Failed to restart nic firmware\n"); 7318 else 7319 ql_dbg(ql_dbg_p3p, vha, 0xb084, 7320 "Restarted NIC firmware successfully.\n"); 7321 ha->flags.nic_core_reset_hdlr_active = 0; 7322 } 7323 7324 return rval; 7325 7326 } 7327 7328 /* 7329 * qla2x00_quiesce_io 7330 * Description: This function will block the new I/Os 7331 * Its not aborting any I/Os as context 7332 * is not destroyed during quiescence 7333 * Arguments: scsi_qla_host_t 7334 * return : void 7335 */ 7336 void 7337 qla2x00_quiesce_io(scsi_qla_host_t *vha) 7338 { 7339 struct qla_hw_data *ha = vha->hw; 7340 struct scsi_qla_host *vp, *tvp; 7341 unsigned long flags; 7342 7343 ql_dbg(ql_dbg_dpc, vha, 0x401d, 7344 "Quiescing I/O - ha=%p.\n", ha); 7345 7346 atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME); 7347 if (atomic_read(&vha->loop_state) != LOOP_DOWN) { 7348 atomic_set(&vha->loop_state, LOOP_DOWN); 7349 qla2x00_mark_all_devices_lost(vha); 7350 7351 spin_lock_irqsave(&ha->vport_slock, flags); 7352 list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) { 7353 atomic_inc(&vp->vref_count); 7354 spin_unlock_irqrestore(&ha->vport_slock, flags); 7355 7356 qla2x00_mark_all_devices_lost(vp); 7357 7358 spin_lock_irqsave(&ha->vport_slock, flags); 7359 atomic_dec(&vp->vref_count); 7360 } 7361 spin_unlock_irqrestore(&ha->vport_slock, flags); 7362 } else { 7363 if (!atomic_read(&vha->loop_down_timer)) 7364 atomic_set(&vha->loop_down_timer, 7365 LOOP_DOWN_TIME); 7366 } 7367 /* Wait for pending cmds to complete */ 7368 WARN_ON_ONCE(qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST) 7369 != QLA_SUCCESS); 7370 } 7371 7372 void 7373 qla2x00_abort_isp_cleanup(scsi_qla_host_t *vha) 7374 { 7375 struct qla_hw_data *ha = vha->hw; 7376 struct scsi_qla_host *vp, *tvp; 7377 unsigned long flags; 7378 fc_port_t *fcport; 7379 u16 i; 7380 7381 /* For ISP82XX, driver waits for completion of the commands. 7382 * online flag should be set. 7383 */ 7384 if (!(IS_P3P_TYPE(ha))) 7385 vha->flags.online = 0; 7386 ha->flags.chip_reset_done = 0; 7387 clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 7388 vha->qla_stats.total_isp_aborts++; 7389 7390 ql_log(ql_log_info, vha, 0x00af, 7391 "Performing ISP error recovery - ha=%p.\n", ha); 7392 7393 ha->flags.purge_mbox = 1; 7394 /* For ISP82XX, reset_chip is just disabling interrupts. 7395 * Driver waits for the completion of the commands. 7396 * the interrupts need to be enabled. 7397 */ 7398 if (!(IS_P3P_TYPE(ha))) 7399 ha->isp_ops->reset_chip(vha); 7400 7401 ha->link_data_rate = PORT_SPEED_UNKNOWN; 7402 SAVE_TOPO(ha); 7403 ha->flags.rida_fmt2 = 0; 7404 ha->flags.n2n_ae = 0; 7405 ha->flags.lip_ae = 0; 7406 ha->current_topology = 0; 7407 QLA_FW_STOPPED(ha); 7408 ha->flags.fw_init_done = 0; 7409 ha->chip_reset++; 7410 ha->base_qpair->chip_reset = ha->chip_reset; 7411 ha->base_qpair->cmd_cnt = ha->base_qpair->cmd_completion_cnt = 0; 7412 ha->base_qpair->prev_completion_cnt = 0; 7413 for (i = 0; i < ha->max_qpairs; i++) { 7414 if (ha->queue_pair_map[i]) { 7415 ha->queue_pair_map[i]->chip_reset = 7416 ha->base_qpair->chip_reset; 7417 ha->queue_pair_map[i]->cmd_cnt = 7418 ha->queue_pair_map[i]->cmd_completion_cnt = 0; 7419 ha->base_qpair->prev_completion_cnt = 0; 7420 } 7421 } 7422 7423 /* purge MBox commands */ 7424 spin_lock_irqsave(&ha->hardware_lock, flags); 7425 if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags)) { 7426 clear_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags); 7427 complete(&ha->mbx_intr_comp); 7428 } 7429 spin_unlock_irqrestore(&ha->hardware_lock, flags); 7430 7431 i = 0; 7432 while (atomic_read(&ha->num_pend_mbx_stage2) || 7433 atomic_read(&ha->num_pend_mbx_stage1)) { 7434 msleep(20); 7435 i++; 7436 if (i > 50) 7437 break; 7438 } 7439 ha->flags.purge_mbox = 0; 7440 7441 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); 7442 if (atomic_read(&vha->loop_state) != LOOP_DOWN) { 7443 atomic_set(&vha->loop_state, LOOP_DOWN); 7444 qla2x00_mark_all_devices_lost(vha); 7445 7446 spin_lock_irqsave(&ha->vport_slock, flags); 7447 list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) { 7448 atomic_inc(&vp->vref_count); 7449 spin_unlock_irqrestore(&ha->vport_slock, flags); 7450 7451 qla2x00_mark_all_devices_lost(vp); 7452 7453 spin_lock_irqsave(&ha->vport_slock, flags); 7454 atomic_dec(&vp->vref_count); 7455 } 7456 spin_unlock_irqrestore(&ha->vport_slock, flags); 7457 } else { 7458 if (!atomic_read(&vha->loop_down_timer)) 7459 atomic_set(&vha->loop_down_timer, 7460 LOOP_DOWN_TIME); 7461 } 7462 7463 /* Clear all async request states across all VPs. */ 7464 list_for_each_entry(fcport, &vha->vp_fcports, list) { 7465 fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT); 7466 fcport->scan_state = 0; 7467 } 7468 spin_lock_irqsave(&ha->vport_slock, flags); 7469 list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) { 7470 atomic_inc(&vp->vref_count); 7471 spin_unlock_irqrestore(&ha->vport_slock, flags); 7472 7473 list_for_each_entry(fcport, &vp->vp_fcports, list) 7474 fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT); 7475 7476 spin_lock_irqsave(&ha->vport_slock, flags); 7477 atomic_dec(&vp->vref_count); 7478 } 7479 spin_unlock_irqrestore(&ha->vport_slock, flags); 7480 7481 /* Make sure for ISP 82XX IO DMA is complete */ 7482 if (IS_P3P_TYPE(ha)) { 7483 qla82xx_chip_reset_cleanup(vha); 7484 ql_log(ql_log_info, vha, 0x00b4, 7485 "Done chip reset cleanup.\n"); 7486 7487 /* Done waiting for pending commands. Reset online flag */ 7488 vha->flags.online = 0; 7489 } 7490 7491 /* Requeue all commands in outstanding command list. */ 7492 qla2x00_abort_all_cmds(vha, DID_RESET << 16); 7493 /* memory barrier */ 7494 wmb(); 7495 } 7496 7497 /* 7498 * qla2x00_abort_isp 7499 * Resets ISP and aborts all outstanding commands. 7500 * 7501 * Input: 7502 * ha = adapter block pointer. 7503 * 7504 * Returns: 7505 * 0 = success 7506 */ 7507 int 7508 qla2x00_abort_isp(scsi_qla_host_t *vha) 7509 { 7510 uint8_t status = 0; 7511 struct qla_hw_data *ha = vha->hw; 7512 struct scsi_qla_host *vp, *tvp; 7513 struct req_que *req = ha->req_q_map[0]; 7514 unsigned long flags; 7515 fc_port_t *fcport; 7516 7517 if (vha->flags.online) { 7518 qla2x00_abort_isp_cleanup(vha); 7519 7520 vha->dport_status |= DPORT_DIAG_CHIP_RESET_IN_PROGRESS; 7521 vha->dport_status &= ~DPORT_DIAG_IN_PROGRESS; 7522 7523 if (vha->hw->flags.port_isolated) 7524 return status; 7525 7526 if (qla2x00_isp_reg_stat(ha)) { 7527 ql_log(ql_log_info, vha, 0x803f, 7528 "ISP Abort - ISP reg disconnect, exiting.\n"); 7529 return status; 7530 } 7531 7532 if (test_and_clear_bit(ISP_ABORT_TO_ROM, &vha->dpc_flags)) { 7533 ha->flags.chip_reset_done = 1; 7534 vha->flags.online = 1; 7535 status = 0; 7536 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags); 7537 return status; 7538 } 7539 7540 if (IS_QLA8031(ha)) { 7541 ql_dbg(ql_dbg_p3p, vha, 0xb05c, 7542 "Clearing fcoe driver presence.\n"); 7543 if (qla83xx_clear_drv_presence(vha) != QLA_SUCCESS) 7544 ql_dbg(ql_dbg_p3p, vha, 0xb073, 7545 "Error while clearing DRV-Presence.\n"); 7546 } 7547 7548 if (unlikely(pci_channel_offline(ha->pdev) && 7549 ha->flags.pci_channel_io_perm_failure)) { 7550 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags); 7551 status = 0; 7552 return status; 7553 } 7554 7555 switch (vha->qlini_mode) { 7556 case QLA2XXX_INI_MODE_DISABLED: 7557 if (!qla_tgt_mode_enabled(vha)) 7558 return 0; 7559 break; 7560 case QLA2XXX_INI_MODE_DUAL: 7561 if (!qla_dual_mode_enabled(vha) && 7562 !qla_ini_mode_enabled(vha)) 7563 return 0; 7564 break; 7565 case QLA2XXX_INI_MODE_ENABLED: 7566 default: 7567 break; 7568 } 7569 7570 ha->isp_ops->get_flash_version(vha, req->ring); 7571 7572 if (qla2x00_isp_reg_stat(ha)) { 7573 ql_log(ql_log_info, vha, 0x803f, 7574 "ISP Abort - ISP reg disconnect pre nvram config, exiting.\n"); 7575 return status; 7576 } 7577 ha->isp_ops->nvram_config(vha); 7578 7579 if (qla2x00_isp_reg_stat(ha)) { 7580 ql_log(ql_log_info, vha, 0x803f, 7581 "ISP Abort - ISP reg disconnect post nvmram config, exiting.\n"); 7582 return status; 7583 } 7584 7585 /* User may have updated [fcp|nvme] prefer in flash */ 7586 list_for_each_entry(fcport, &vha->vp_fcports, list) { 7587 if (NVME_PRIORITY(ha, fcport)) 7588 fcport->do_prli_nvme = 1; 7589 else 7590 fcport->do_prli_nvme = 0; 7591 } 7592 7593 if (!qla2x00_restart_isp(vha)) { 7594 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags); 7595 7596 if (!atomic_read(&vha->loop_down_timer)) { 7597 /* 7598 * Issue marker command only when we are going 7599 * to start the I/O . 7600 */ 7601 vha->marker_needed = 1; 7602 } 7603 7604 vha->flags.online = 1; 7605 7606 ha->isp_ops->enable_intrs(ha); 7607 7608 ha->isp_abort_cnt = 0; 7609 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags); 7610 7611 if (IS_QLA81XX(ha) || IS_QLA8031(ha)) 7612 qla2x00_get_fw_version(vha); 7613 7614 } else { /* failed the ISP abort */ 7615 vha->flags.online = 1; 7616 if (test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) { 7617 if (ha->isp_abort_cnt == 0) { 7618 ql_log(ql_log_fatal, vha, 0x8035, 7619 "ISP error recover failed - " 7620 "board disabled.\n"); 7621 /* 7622 * The next call disables the board 7623 * completely. 7624 */ 7625 qla2x00_abort_isp_cleanup(vha); 7626 vha->flags.online = 0; 7627 clear_bit(ISP_ABORT_RETRY, 7628 &vha->dpc_flags); 7629 status = 0; 7630 } else { /* schedule another ISP abort */ 7631 ha->isp_abort_cnt--; 7632 ql_dbg(ql_dbg_taskm, vha, 0x8020, 7633 "ISP abort - retry remaining %d.\n", 7634 ha->isp_abort_cnt); 7635 status = 1; 7636 } 7637 } else { 7638 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT; 7639 ql_dbg(ql_dbg_taskm, vha, 0x8021, 7640 "ISP error recovery - retrying (%d) " 7641 "more times.\n", ha->isp_abort_cnt); 7642 set_bit(ISP_ABORT_RETRY, &vha->dpc_flags); 7643 status = 1; 7644 } 7645 } 7646 7647 } 7648 7649 if (vha->hw->flags.port_isolated) { 7650 qla2x00_abort_isp_cleanup(vha); 7651 return status; 7652 } 7653 7654 if (!status) { 7655 ql_dbg(ql_dbg_taskm, vha, 0x8022, "%s succeeded.\n", __func__); 7656 qla2x00_configure_hba(vha); 7657 spin_lock_irqsave(&ha->vport_slock, flags); 7658 list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) { 7659 if (vp->vp_idx) { 7660 atomic_inc(&vp->vref_count); 7661 spin_unlock_irqrestore(&ha->vport_slock, flags); 7662 7663 /* User may have updated [fcp|nvme] prefer in flash */ 7664 list_for_each_entry(fcport, &vp->vp_fcports, list) { 7665 if (NVME_PRIORITY(ha, fcport)) 7666 fcport->do_prli_nvme = 1; 7667 else 7668 fcport->do_prli_nvme = 0; 7669 } 7670 7671 qla2x00_vp_abort_isp(vp); 7672 7673 spin_lock_irqsave(&ha->vport_slock, flags); 7674 atomic_dec(&vp->vref_count); 7675 } 7676 } 7677 spin_unlock_irqrestore(&ha->vport_slock, flags); 7678 7679 if (IS_QLA8031(ha)) { 7680 ql_dbg(ql_dbg_p3p, vha, 0xb05d, 7681 "Setting back fcoe driver presence.\n"); 7682 if (qla83xx_set_drv_presence(vha) != QLA_SUCCESS) 7683 ql_dbg(ql_dbg_p3p, vha, 0xb074, 7684 "Error while setting DRV-Presence.\n"); 7685 } 7686 } else { 7687 ql_log(ql_log_warn, vha, 0x8023, "%s **** FAILED ****.\n", 7688 __func__); 7689 } 7690 7691 return(status); 7692 } 7693 7694 /* 7695 * qla2x00_restart_isp 7696 * restarts the ISP after a reset 7697 * 7698 * Input: 7699 * ha = adapter block pointer. 7700 * 7701 * Returns: 7702 * 0 = success 7703 */ 7704 static int 7705 qla2x00_restart_isp(scsi_qla_host_t *vha) 7706 { 7707 int status; 7708 struct qla_hw_data *ha = vha->hw; 7709 7710 /* If firmware needs to be loaded */ 7711 if (qla2x00_isp_firmware(vha)) { 7712 vha->flags.online = 0; 7713 status = ha->isp_ops->chip_diag(vha); 7714 if (status) 7715 return status; 7716 status = qla2x00_setup_chip(vha); 7717 if (status) 7718 return status; 7719 } 7720 7721 status = qla2x00_init_rings(vha); 7722 if (status) 7723 return status; 7724 7725 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags); 7726 ha->flags.chip_reset_done = 1; 7727 7728 /* Initialize the queues in use */ 7729 qla25xx_init_queues(ha); 7730 7731 status = qla2x00_fw_ready(vha); 7732 if (status) { 7733 /* if no cable then assume it's good */ 7734 return vha->device_flags & DFLG_NO_CABLE ? 0 : status; 7735 } 7736 7737 /* Issue a marker after FW becomes ready. */ 7738 qla2x00_marker(vha, ha->base_qpair, 0, 0, MK_SYNC_ALL); 7739 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); 7740 7741 return 0; 7742 } 7743 7744 static int 7745 qla25xx_init_queues(struct qla_hw_data *ha) 7746 { 7747 struct rsp_que *rsp = NULL; 7748 struct req_que *req = NULL; 7749 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev); 7750 int ret = -1; 7751 int i; 7752 7753 for (i = 1; i < ha->max_rsp_queues; i++) { 7754 rsp = ha->rsp_q_map[i]; 7755 if (rsp && test_bit(i, ha->rsp_qid_map)) { 7756 rsp->options &= ~BIT_0; 7757 ret = qla25xx_init_rsp_que(base_vha, rsp); 7758 if (ret != QLA_SUCCESS) 7759 ql_dbg(ql_dbg_init, base_vha, 0x00ff, 7760 "%s Rsp que: %d init failed.\n", 7761 __func__, rsp->id); 7762 else 7763 ql_dbg(ql_dbg_init, base_vha, 0x0100, 7764 "%s Rsp que: %d inited.\n", 7765 __func__, rsp->id); 7766 } 7767 } 7768 for (i = 1; i < ha->max_req_queues; i++) { 7769 req = ha->req_q_map[i]; 7770 if (req && test_bit(i, ha->req_qid_map)) { 7771 /* Clear outstanding commands array. */ 7772 req->options &= ~BIT_0; 7773 ret = qla25xx_init_req_que(base_vha, req); 7774 if (ret != QLA_SUCCESS) 7775 ql_dbg(ql_dbg_init, base_vha, 0x0101, 7776 "%s Req que: %d init failed.\n", 7777 __func__, req->id); 7778 else 7779 ql_dbg(ql_dbg_init, base_vha, 0x0102, 7780 "%s Req que: %d inited.\n", 7781 __func__, req->id); 7782 } 7783 } 7784 return ret; 7785 } 7786 7787 /* 7788 * qla2x00_reset_adapter 7789 * Reset adapter. 7790 * 7791 * Input: 7792 * ha = adapter block pointer. 7793 */ 7794 int 7795 qla2x00_reset_adapter(scsi_qla_host_t *vha) 7796 { 7797 unsigned long flags = 0; 7798 struct qla_hw_data *ha = vha->hw; 7799 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 7800 7801 vha->flags.online = 0; 7802 ha->isp_ops->disable_intrs(ha); 7803 7804 spin_lock_irqsave(&ha->hardware_lock, flags); 7805 wrt_reg_word(®->hccr, HCCR_RESET_RISC); 7806 rd_reg_word(®->hccr); /* PCI Posting. */ 7807 wrt_reg_word(®->hccr, HCCR_RELEASE_RISC); 7808 rd_reg_word(®->hccr); /* PCI Posting. */ 7809 spin_unlock_irqrestore(&ha->hardware_lock, flags); 7810 7811 return QLA_SUCCESS; 7812 } 7813 7814 int 7815 qla24xx_reset_adapter(scsi_qla_host_t *vha) 7816 { 7817 unsigned long flags = 0; 7818 struct qla_hw_data *ha = vha->hw; 7819 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; 7820 7821 if (IS_P3P_TYPE(ha)) 7822 return QLA_SUCCESS; 7823 7824 vha->flags.online = 0; 7825 ha->isp_ops->disable_intrs(ha); 7826 7827 spin_lock_irqsave(&ha->hardware_lock, flags); 7828 wrt_reg_dword(®->hccr, HCCRX_SET_RISC_RESET); 7829 rd_reg_dword(®->hccr); 7830 wrt_reg_dword(®->hccr, HCCRX_REL_RISC_PAUSE); 7831 rd_reg_dword(®->hccr); 7832 spin_unlock_irqrestore(&ha->hardware_lock, flags); 7833 7834 if (IS_NOPOLLING_TYPE(ha)) 7835 ha->isp_ops->enable_intrs(ha); 7836 7837 return QLA_SUCCESS; 7838 } 7839 7840 /* On sparc systems, obtain port and node WWN from firmware 7841 * properties. 7842 */ 7843 static void qla24xx_nvram_wwn_from_ofw(scsi_qla_host_t *vha, 7844 struct nvram_24xx *nv) 7845 { 7846 #ifdef CONFIG_SPARC 7847 struct qla_hw_data *ha = vha->hw; 7848 struct pci_dev *pdev = ha->pdev; 7849 struct device_node *dp = pci_device_to_OF_node(pdev); 7850 const u8 *val; 7851 int len; 7852 7853 val = of_get_property(dp, "port-wwn", &len); 7854 if (val && len >= WWN_SIZE) 7855 memcpy(nv->port_name, val, WWN_SIZE); 7856 7857 val = of_get_property(dp, "node-wwn", &len); 7858 if (val && len >= WWN_SIZE) 7859 memcpy(nv->node_name, val, WWN_SIZE); 7860 #endif 7861 } 7862 7863 int 7864 qla24xx_nvram_config(scsi_qla_host_t *vha) 7865 { 7866 int rval; 7867 struct init_cb_24xx *icb; 7868 struct nvram_24xx *nv; 7869 __le32 *dptr; 7870 uint8_t *dptr1, *dptr2; 7871 uint32_t chksum; 7872 uint16_t cnt; 7873 struct qla_hw_data *ha = vha->hw; 7874 7875 rval = QLA_SUCCESS; 7876 icb = (struct init_cb_24xx *)ha->init_cb; 7877 nv = ha->nvram; 7878 7879 /* Determine NVRAM starting address. */ 7880 if (ha->port_no == 0) { 7881 ha->nvram_base = FA_NVRAM_FUNC0_ADDR; 7882 ha->vpd_base = FA_NVRAM_VPD0_ADDR; 7883 } else { 7884 ha->nvram_base = FA_NVRAM_FUNC1_ADDR; 7885 ha->vpd_base = FA_NVRAM_VPD1_ADDR; 7886 } 7887 7888 ha->nvram_size = sizeof(*nv); 7889 ha->vpd_size = FA_NVRAM_VPD_SIZE; 7890 7891 /* Get VPD data into cache */ 7892 ha->vpd = ha->nvram + VPD_OFFSET; 7893 ha->isp_ops->read_nvram(vha, ha->vpd, 7894 ha->nvram_base - FA_NVRAM_FUNC0_ADDR, FA_NVRAM_VPD_SIZE * 4); 7895 7896 /* Get NVRAM data into cache and calculate checksum. */ 7897 dptr = (__force __le32 *)nv; 7898 ha->isp_ops->read_nvram(vha, dptr, ha->nvram_base, ha->nvram_size); 7899 for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++, dptr++) 7900 chksum += le32_to_cpu(*dptr); 7901 7902 ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x006a, 7903 "Contents of NVRAM\n"); 7904 ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x010d, 7905 nv, ha->nvram_size); 7906 7907 /* Bad NVRAM data, set defaults parameters. */ 7908 if (chksum || memcmp("ISP ", nv->id, sizeof(nv->id)) || 7909 le16_to_cpu(nv->nvram_version) < ICB_VERSION) { 7910 /* Reset NVRAM data. */ 7911 ql_log(ql_log_warn, vha, 0x006b, 7912 "Inconsistent NVRAM checksum=%#x id=%.4s version=%#x.\n", 7913 chksum, nv->id, nv->nvram_version); 7914 ql_dump_buffer(ql_dbg_init, vha, 0x006b, nv, sizeof(*nv)); 7915 ql_log(ql_log_warn, vha, 0x006c, 7916 "Falling back to functioning (yet invalid -- WWPN) " 7917 "defaults.\n"); 7918 7919 /* 7920 * Set default initialization control block. 7921 */ 7922 memset(nv, 0, ha->nvram_size); 7923 nv->nvram_version = cpu_to_le16(ICB_VERSION); 7924 nv->version = cpu_to_le16(ICB_VERSION); 7925 nv->frame_payload_size = cpu_to_le16(2048); 7926 nv->execution_throttle = cpu_to_le16(0xFFFF); 7927 nv->exchange_count = cpu_to_le16(0); 7928 nv->hard_address = cpu_to_le16(124); 7929 nv->port_name[0] = 0x21; 7930 nv->port_name[1] = 0x00 + ha->port_no + 1; 7931 nv->port_name[2] = 0x00; 7932 nv->port_name[3] = 0xe0; 7933 nv->port_name[4] = 0x8b; 7934 nv->port_name[5] = 0x1c; 7935 nv->port_name[6] = 0x55; 7936 nv->port_name[7] = 0x86; 7937 nv->node_name[0] = 0x20; 7938 nv->node_name[1] = 0x00; 7939 nv->node_name[2] = 0x00; 7940 nv->node_name[3] = 0xe0; 7941 nv->node_name[4] = 0x8b; 7942 nv->node_name[5] = 0x1c; 7943 nv->node_name[6] = 0x55; 7944 nv->node_name[7] = 0x86; 7945 qla24xx_nvram_wwn_from_ofw(vha, nv); 7946 nv->login_retry_count = cpu_to_le16(8); 7947 nv->interrupt_delay_timer = cpu_to_le16(0); 7948 nv->login_timeout = cpu_to_le16(0); 7949 nv->firmware_options_1 = 7950 cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1); 7951 nv->firmware_options_2 = cpu_to_le32(2 << 4); 7952 nv->firmware_options_2 |= cpu_to_le32(BIT_12); 7953 nv->firmware_options_3 = cpu_to_le32(2 << 13); 7954 nv->host_p = cpu_to_le32(BIT_11|BIT_10); 7955 nv->efi_parameters = cpu_to_le32(0); 7956 nv->reset_delay = 5; 7957 nv->max_luns_per_target = cpu_to_le16(128); 7958 nv->port_down_retry_count = cpu_to_le16(30); 7959 nv->link_down_timeout = cpu_to_le16(30); 7960 7961 rval = 1; 7962 } 7963 7964 if (qla_tgt_mode_enabled(vha)) { 7965 /* Don't enable full login after initial LIP */ 7966 nv->firmware_options_1 &= cpu_to_le32(~BIT_13); 7967 /* Don't enable LIP full login for initiator */ 7968 nv->host_p &= cpu_to_le32(~BIT_10); 7969 } 7970 7971 qlt_24xx_config_nvram_stage1(vha, nv); 7972 7973 /* Reset Initialization control block */ 7974 memset(icb, 0, ha->init_cb_size); 7975 7976 /* Copy 1st segment. */ 7977 dptr1 = (uint8_t *)icb; 7978 dptr2 = (uint8_t *)&nv->version; 7979 cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version; 7980 while (cnt--) 7981 *dptr1++ = *dptr2++; 7982 7983 icb->login_retry_count = nv->login_retry_count; 7984 icb->link_down_on_nos = nv->link_down_on_nos; 7985 7986 /* Copy 2nd segment. */ 7987 dptr1 = (uint8_t *)&icb->interrupt_delay_timer; 7988 dptr2 = (uint8_t *)&nv->interrupt_delay_timer; 7989 cnt = (uint8_t *)&icb->reserved_3 - 7990 (uint8_t *)&icb->interrupt_delay_timer; 7991 while (cnt--) 7992 *dptr1++ = *dptr2++; 7993 ha->frame_payload_size = le16_to_cpu(icb->frame_payload_size); 7994 /* 7995 * Setup driver NVRAM options. 7996 */ 7997 qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name), 7998 "QLA2462"); 7999 8000 qlt_24xx_config_nvram_stage2(vha, icb); 8001 8002 if (nv->host_p & cpu_to_le32(BIT_15)) { 8003 /* Use alternate WWN? */ 8004 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE); 8005 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE); 8006 } 8007 8008 /* Prepare nodename */ 8009 if ((icb->firmware_options_1 & cpu_to_le32(BIT_14)) == 0) { 8010 /* 8011 * Firmware will apply the following mask if the nodename was 8012 * not provided. 8013 */ 8014 memcpy(icb->node_name, icb->port_name, WWN_SIZE); 8015 icb->node_name[0] &= 0xF0; 8016 } 8017 8018 /* Set host adapter parameters. */ 8019 ha->flags.disable_risc_code_load = 0; 8020 ha->flags.enable_lip_reset = 0; 8021 ha->flags.enable_lip_full_login = 8022 le32_to_cpu(nv->host_p) & BIT_10 ? 1 : 0; 8023 ha->flags.enable_target_reset = 8024 le32_to_cpu(nv->host_p) & BIT_11 ? 1 : 0; 8025 ha->flags.enable_led_scheme = 0; 8026 ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1 : 0; 8027 8028 ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) & 8029 (BIT_6 | BIT_5 | BIT_4)) >> 4; 8030 8031 memcpy(ha->fw_seriallink_options24, nv->seriallink_options, 8032 sizeof(ha->fw_seriallink_options24)); 8033 8034 /* save HBA serial number */ 8035 ha->serial0 = icb->port_name[5]; 8036 ha->serial1 = icb->port_name[6]; 8037 ha->serial2 = icb->port_name[7]; 8038 memcpy(vha->node_name, icb->node_name, WWN_SIZE); 8039 memcpy(vha->port_name, icb->port_name, WWN_SIZE); 8040 8041 icb->execution_throttle = cpu_to_le16(0xFFFF); 8042 8043 ha->retry_count = le16_to_cpu(nv->login_retry_count); 8044 8045 /* Set minimum login_timeout to 4 seconds. */ 8046 if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout) 8047 nv->login_timeout = cpu_to_le16(ql2xlogintimeout); 8048 if (le16_to_cpu(nv->login_timeout) < 4) 8049 nv->login_timeout = cpu_to_le16(4); 8050 ha->login_timeout = le16_to_cpu(nv->login_timeout); 8051 8052 /* Set minimum RATOV to 100 tenths of a second. */ 8053 ha->r_a_tov = 100; 8054 8055 ha->loop_reset_delay = nv->reset_delay; 8056 8057 /* Link Down Timeout = 0: 8058 * 8059 * When Port Down timer expires we will start returning 8060 * I/O's to OS with "DID_NO_CONNECT". 8061 * 8062 * Link Down Timeout != 0: 8063 * 8064 * The driver waits for the link to come up after link down 8065 * before returning I/Os to OS with "DID_NO_CONNECT". 8066 */ 8067 if (le16_to_cpu(nv->link_down_timeout) == 0) { 8068 ha->loop_down_abort_time = 8069 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT); 8070 } else { 8071 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout); 8072 ha->loop_down_abort_time = 8073 (LOOP_DOWN_TIME - ha->link_down_timeout); 8074 } 8075 8076 /* Need enough time to try and get the port back. */ 8077 ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count); 8078 if (qlport_down_retry) 8079 ha->port_down_retry_count = qlport_down_retry; 8080 8081 /* Set login_retry_count */ 8082 ha->login_retry_count = le16_to_cpu(nv->login_retry_count); 8083 if (ha->port_down_retry_count == 8084 le16_to_cpu(nv->port_down_retry_count) && 8085 ha->port_down_retry_count > 3) 8086 ha->login_retry_count = ha->port_down_retry_count; 8087 else if (ha->port_down_retry_count > (int)ha->login_retry_count) 8088 ha->login_retry_count = ha->port_down_retry_count; 8089 if (ql2xloginretrycount) 8090 ha->login_retry_count = ql2xloginretrycount; 8091 8092 /* N2N: driver will initiate Login instead of FW */ 8093 icb->firmware_options_3 |= cpu_to_le32(BIT_8); 8094 8095 /* Enable ZIO. */ 8096 if (!vha->flags.init_done) { 8097 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) & 8098 (BIT_3 | BIT_2 | BIT_1 | BIT_0); 8099 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ? 8100 le16_to_cpu(icb->interrupt_delay_timer) : 2; 8101 } 8102 icb->firmware_options_2 &= cpu_to_le32( 8103 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0)); 8104 if (ha->zio_mode != QLA_ZIO_DISABLED) { 8105 ha->zio_mode = QLA_ZIO_MODE_6; 8106 8107 ql_log(ql_log_info, vha, 0x006f, 8108 "ZIO mode %d enabled; timer delay (%d us).\n", 8109 ha->zio_mode, ha->zio_timer * 100); 8110 8111 icb->firmware_options_2 |= cpu_to_le32( 8112 (uint32_t)ha->zio_mode); 8113 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer); 8114 } 8115 8116 if (rval) { 8117 ql_log(ql_log_warn, vha, 0x0070, 8118 "NVRAM configuration failed.\n"); 8119 } 8120 return (rval); 8121 } 8122 8123 static void 8124 qla27xx_print_image(struct scsi_qla_host *vha, char *name, 8125 struct qla27xx_image_status *image_status) 8126 { 8127 ql_dbg(ql_dbg_init, vha, 0x018b, 8128 "%s %s: mask=%#02x gen=%#04x ver=%u.%u map=%#01x sum=%#08x sig=%#08x\n", 8129 name, "status", 8130 image_status->image_status_mask, 8131 le16_to_cpu(image_status->generation), 8132 image_status->ver_major, 8133 image_status->ver_minor, 8134 image_status->bitmap, 8135 le32_to_cpu(image_status->checksum), 8136 le32_to_cpu(image_status->signature)); 8137 } 8138 8139 static bool 8140 qla28xx_check_aux_image_status_signature( 8141 struct qla27xx_image_status *image_status) 8142 { 8143 ulong signature = le32_to_cpu(image_status->signature); 8144 8145 return signature != QLA28XX_AUX_IMG_STATUS_SIGN; 8146 } 8147 8148 static bool 8149 qla27xx_check_image_status_signature(struct qla27xx_image_status *image_status) 8150 { 8151 ulong signature = le32_to_cpu(image_status->signature); 8152 8153 return 8154 signature != QLA27XX_IMG_STATUS_SIGN && 8155 signature != QLA28XX_IMG_STATUS_SIGN; 8156 } 8157 8158 static ulong 8159 qla27xx_image_status_checksum(struct qla27xx_image_status *image_status) 8160 { 8161 __le32 *p = (__force __le32 *)image_status; 8162 uint n = sizeof(*image_status) / sizeof(*p); 8163 uint32_t sum = 0; 8164 8165 for ( ; n--; p++) 8166 sum += le32_to_cpup(p); 8167 8168 return sum; 8169 } 8170 8171 static inline uint 8172 qla28xx_component_bitmask(struct qla27xx_image_status *aux, uint bitmask) 8173 { 8174 return aux->bitmap & bitmask ? 8175 QLA27XX_SECONDARY_IMAGE : QLA27XX_PRIMARY_IMAGE; 8176 } 8177 8178 static void 8179 qla28xx_component_status( 8180 struct active_regions *active_regions, struct qla27xx_image_status *aux) 8181 { 8182 active_regions->aux.board_config = 8183 qla28xx_component_bitmask(aux, QLA28XX_AUX_IMG_BOARD_CONFIG); 8184 8185 active_regions->aux.vpd_nvram = 8186 qla28xx_component_bitmask(aux, QLA28XX_AUX_IMG_VPD_NVRAM); 8187 8188 active_regions->aux.npiv_config_0_1 = 8189 qla28xx_component_bitmask(aux, QLA28XX_AUX_IMG_NPIV_CONFIG_0_1); 8190 8191 active_regions->aux.npiv_config_2_3 = 8192 qla28xx_component_bitmask(aux, QLA28XX_AUX_IMG_NPIV_CONFIG_2_3); 8193 8194 active_regions->aux.nvme_params = 8195 qla28xx_component_bitmask(aux, QLA28XX_AUX_IMG_NVME_PARAMS); 8196 } 8197 8198 static int 8199 qla27xx_compare_image_generation( 8200 struct qla27xx_image_status *pri_image_status, 8201 struct qla27xx_image_status *sec_image_status) 8202 { 8203 /* calculate generation delta as uint16 (this accounts for wrap) */ 8204 int16_t delta = 8205 le16_to_cpu(pri_image_status->generation) - 8206 le16_to_cpu(sec_image_status->generation); 8207 8208 ql_dbg(ql_dbg_init, NULL, 0x0180, "generation delta = %d\n", delta); 8209 8210 return delta; 8211 } 8212 8213 void 8214 qla28xx_get_aux_images( 8215 struct scsi_qla_host *vha, struct active_regions *active_regions) 8216 { 8217 struct qla_hw_data *ha = vha->hw; 8218 struct qla27xx_image_status pri_aux_image_status, sec_aux_image_status; 8219 bool valid_pri_image = false, valid_sec_image = false; 8220 bool active_pri_image = false, active_sec_image = false; 8221 int rc; 8222 8223 if (!ha->flt_region_aux_img_status_pri) { 8224 ql_dbg(ql_dbg_init, vha, 0x018a, "Primary aux image not addressed\n"); 8225 goto check_sec_image; 8226 } 8227 8228 rc = qla24xx_read_flash_data(vha, (uint32_t *)&pri_aux_image_status, 8229 ha->flt_region_aux_img_status_pri, 8230 sizeof(pri_aux_image_status) >> 2); 8231 if (rc) { 8232 ql_log(ql_log_info, vha, 0x01a1, 8233 "Unable to read Primary aux image(%x).\n", rc); 8234 goto check_sec_image; 8235 } 8236 qla27xx_print_image(vha, "Primary aux image", &pri_aux_image_status); 8237 8238 if (qla28xx_check_aux_image_status_signature(&pri_aux_image_status)) { 8239 ql_dbg(ql_dbg_init, vha, 0x018b, 8240 "Primary aux image signature (%#x) not valid\n", 8241 le32_to_cpu(pri_aux_image_status.signature)); 8242 goto check_sec_image; 8243 } 8244 8245 if (qla27xx_image_status_checksum(&pri_aux_image_status)) { 8246 ql_dbg(ql_dbg_init, vha, 0x018c, 8247 "Primary aux image checksum failed\n"); 8248 goto check_sec_image; 8249 } 8250 8251 valid_pri_image = true; 8252 8253 if (pri_aux_image_status.image_status_mask & 1) { 8254 ql_dbg(ql_dbg_init, vha, 0x018d, 8255 "Primary aux image is active\n"); 8256 active_pri_image = true; 8257 } 8258 8259 check_sec_image: 8260 if (!ha->flt_region_aux_img_status_sec) { 8261 ql_dbg(ql_dbg_init, vha, 0x018a, 8262 "Secondary aux image not addressed\n"); 8263 goto check_valid_image; 8264 } 8265 8266 rc = qla24xx_read_flash_data(vha, (uint32_t *)&sec_aux_image_status, 8267 ha->flt_region_aux_img_status_sec, 8268 sizeof(sec_aux_image_status) >> 2); 8269 if (rc) { 8270 ql_log(ql_log_info, vha, 0x01a2, 8271 "Unable to read Secondary aux image(%x).\n", rc); 8272 goto check_valid_image; 8273 } 8274 8275 qla27xx_print_image(vha, "Secondary aux image", &sec_aux_image_status); 8276 8277 if (qla28xx_check_aux_image_status_signature(&sec_aux_image_status)) { 8278 ql_dbg(ql_dbg_init, vha, 0x018b, 8279 "Secondary aux image signature (%#x) not valid\n", 8280 le32_to_cpu(sec_aux_image_status.signature)); 8281 goto check_valid_image; 8282 } 8283 8284 if (qla27xx_image_status_checksum(&sec_aux_image_status)) { 8285 ql_dbg(ql_dbg_init, vha, 0x018c, 8286 "Secondary aux image checksum failed\n"); 8287 goto check_valid_image; 8288 } 8289 8290 valid_sec_image = true; 8291 8292 if (sec_aux_image_status.image_status_mask & 1) { 8293 ql_dbg(ql_dbg_init, vha, 0x018d, 8294 "Secondary aux image is active\n"); 8295 active_sec_image = true; 8296 } 8297 8298 check_valid_image: 8299 if (valid_pri_image && active_pri_image && 8300 valid_sec_image && active_sec_image) { 8301 if (qla27xx_compare_image_generation(&pri_aux_image_status, 8302 &sec_aux_image_status) >= 0) { 8303 qla28xx_component_status(active_regions, 8304 &pri_aux_image_status); 8305 } else { 8306 qla28xx_component_status(active_regions, 8307 &sec_aux_image_status); 8308 } 8309 } else if (valid_pri_image && active_pri_image) { 8310 qla28xx_component_status(active_regions, &pri_aux_image_status); 8311 } else if (valid_sec_image && active_sec_image) { 8312 qla28xx_component_status(active_regions, &sec_aux_image_status); 8313 } 8314 8315 ql_dbg(ql_dbg_init, vha, 0x018f, 8316 "aux images active: BCFG=%u VPD/NVR=%u NPIV0/1=%u NPIV2/3=%u, NVME=%u\n", 8317 active_regions->aux.board_config, 8318 active_regions->aux.vpd_nvram, 8319 active_regions->aux.npiv_config_0_1, 8320 active_regions->aux.npiv_config_2_3, 8321 active_regions->aux.nvme_params); 8322 } 8323 8324 void 8325 qla27xx_get_active_image(struct scsi_qla_host *vha, 8326 struct active_regions *active_regions) 8327 { 8328 struct qla_hw_data *ha = vha->hw; 8329 struct qla27xx_image_status pri_image_status, sec_image_status; 8330 bool valid_pri_image = false, valid_sec_image = false; 8331 bool active_pri_image = false, active_sec_image = false; 8332 int rc; 8333 8334 if (!ha->flt_region_img_status_pri) { 8335 ql_dbg(ql_dbg_init, vha, 0x018a, "Primary image not addressed\n"); 8336 goto check_sec_image; 8337 } 8338 8339 if (qla24xx_read_flash_data(vha, (uint32_t *)&pri_image_status, 8340 ha->flt_region_img_status_pri, sizeof(pri_image_status) >> 2) != 8341 QLA_SUCCESS) { 8342 WARN_ON_ONCE(true); 8343 goto check_sec_image; 8344 } 8345 qla27xx_print_image(vha, "Primary image", &pri_image_status); 8346 8347 if (qla27xx_check_image_status_signature(&pri_image_status)) { 8348 ql_dbg(ql_dbg_init, vha, 0x018b, 8349 "Primary image signature (%#x) not valid\n", 8350 le32_to_cpu(pri_image_status.signature)); 8351 goto check_sec_image; 8352 } 8353 8354 if (qla27xx_image_status_checksum(&pri_image_status)) { 8355 ql_dbg(ql_dbg_init, vha, 0x018c, 8356 "Primary image checksum failed\n"); 8357 goto check_sec_image; 8358 } 8359 8360 valid_pri_image = true; 8361 8362 if (pri_image_status.image_status_mask & 1) { 8363 ql_dbg(ql_dbg_init, vha, 0x018d, 8364 "Primary image is active\n"); 8365 active_pri_image = true; 8366 } 8367 8368 check_sec_image: 8369 if (!ha->flt_region_img_status_sec) { 8370 ql_dbg(ql_dbg_init, vha, 0x018a, "Secondary image not addressed\n"); 8371 goto check_valid_image; 8372 } 8373 8374 rc = qla24xx_read_flash_data(vha, (uint32_t *)(&sec_image_status), 8375 ha->flt_region_img_status_sec, sizeof(sec_image_status) >> 2); 8376 if (rc) { 8377 ql_log(ql_log_info, vha, 0x01a3, 8378 "Unable to read Secondary image status(%x).\n", rc); 8379 goto check_valid_image; 8380 } 8381 8382 qla27xx_print_image(vha, "Secondary image", &sec_image_status); 8383 8384 if (qla27xx_check_image_status_signature(&sec_image_status)) { 8385 ql_dbg(ql_dbg_init, vha, 0x018b, 8386 "Secondary image signature (%#x) not valid\n", 8387 le32_to_cpu(sec_image_status.signature)); 8388 goto check_valid_image; 8389 } 8390 8391 if (qla27xx_image_status_checksum(&sec_image_status)) { 8392 ql_dbg(ql_dbg_init, vha, 0x018c, 8393 "Secondary image checksum failed\n"); 8394 goto check_valid_image; 8395 } 8396 8397 valid_sec_image = true; 8398 8399 if (sec_image_status.image_status_mask & 1) { 8400 ql_dbg(ql_dbg_init, vha, 0x018d, 8401 "Secondary image is active\n"); 8402 active_sec_image = true; 8403 } 8404 8405 check_valid_image: 8406 if (valid_pri_image && active_pri_image) 8407 active_regions->global = QLA27XX_PRIMARY_IMAGE; 8408 8409 if (valid_sec_image && active_sec_image) { 8410 if (!active_regions->global || 8411 qla27xx_compare_image_generation( 8412 &pri_image_status, &sec_image_status) < 0) { 8413 active_regions->global = QLA27XX_SECONDARY_IMAGE; 8414 } 8415 } 8416 8417 ql_dbg(ql_dbg_init, vha, 0x018f, "active image %s (%u)\n", 8418 active_regions->global == QLA27XX_DEFAULT_IMAGE ? 8419 "default (boot/fw)" : 8420 active_regions->global == QLA27XX_PRIMARY_IMAGE ? 8421 "primary" : 8422 active_regions->global == QLA27XX_SECONDARY_IMAGE ? 8423 "secondary" : "invalid", 8424 active_regions->global); 8425 } 8426 8427 bool qla24xx_risc_firmware_invalid(uint32_t *dword) 8428 { 8429 return 8430 !(dword[4] | dword[5] | dword[6] | dword[7]) || 8431 !(~dword[4] | ~dword[5] | ~dword[6] | ~dword[7]); 8432 } 8433 8434 static int 8435 qla24xx_load_risc_flash(scsi_qla_host_t *vha, uint32_t *srisc_addr, 8436 uint32_t faddr) 8437 { 8438 int rval; 8439 uint templates, segments, fragment; 8440 ulong i; 8441 uint j; 8442 ulong dlen; 8443 uint32_t *dcode; 8444 uint32_t risc_addr, risc_size, risc_attr = 0; 8445 struct qla_hw_data *ha = vha->hw; 8446 struct req_que *req = ha->req_q_map[0]; 8447 struct fwdt *fwdt = ha->fwdt; 8448 8449 ql_dbg(ql_dbg_init, vha, 0x008b, 8450 "FW: Loading firmware from flash (%x).\n", faddr); 8451 8452 dcode = (uint32_t *)req->ring; 8453 rval = qla24xx_read_flash_data(vha, dcode, faddr, 8); 8454 if (rval || qla24xx_risc_firmware_invalid(dcode)) { 8455 ql_log(ql_log_fatal, vha, 0x008c, 8456 "Unable to verify the integrity of flash firmware image (rval %x).\n", rval); 8457 ql_log(ql_log_fatal, vha, 0x008d, 8458 "Firmware data: %08x %08x %08x %08x.\n", 8459 dcode[0], dcode[1], dcode[2], dcode[3]); 8460 8461 return QLA_FUNCTION_FAILED; 8462 } 8463 8464 dcode = (uint32_t *)req->ring; 8465 *srisc_addr = 0; 8466 segments = FA_RISC_CODE_SEGMENTS; 8467 for (j = 0; j < segments; j++) { 8468 ql_dbg(ql_dbg_init, vha, 0x008d, 8469 "-> Loading segment %u...\n", j); 8470 rval = qla24xx_read_flash_data(vha, dcode, faddr, 10); 8471 if (rval) { 8472 ql_log(ql_log_fatal, vha, 0x016a, 8473 "-> Unable to read segment addr + size .\n"); 8474 return QLA_FUNCTION_FAILED; 8475 } 8476 risc_addr = be32_to_cpu((__force __be32)dcode[2]); 8477 risc_size = be32_to_cpu((__force __be32)dcode[3]); 8478 if (!*srisc_addr) { 8479 *srisc_addr = risc_addr; 8480 risc_attr = be32_to_cpu((__force __be32)dcode[9]); 8481 } 8482 8483 dlen = ha->fw_transfer_size >> 2; 8484 for (fragment = 0; risc_size; fragment++) { 8485 if (dlen > risc_size) 8486 dlen = risc_size; 8487 8488 ql_dbg(ql_dbg_init, vha, 0x008e, 8489 "-> Loading fragment %u: %#x <- %#x (%#lx dwords)...\n", 8490 fragment, risc_addr, faddr, dlen); 8491 rval = qla24xx_read_flash_data(vha, dcode, faddr, dlen); 8492 if (rval) { 8493 ql_log(ql_log_fatal, vha, 0x016b, 8494 "-> Unable to read fragment(faddr %#x dlen %#lx).\n", 8495 faddr, dlen); 8496 return QLA_FUNCTION_FAILED; 8497 } 8498 for (i = 0; i < dlen; i++) 8499 dcode[i] = swab32(dcode[i]); 8500 8501 rval = qla2x00_load_ram(vha, req->dma, risc_addr, dlen); 8502 if (rval) { 8503 ql_log(ql_log_fatal, vha, 0x008f, 8504 "-> Failed load firmware fragment %u.\n", 8505 fragment); 8506 return QLA_FUNCTION_FAILED; 8507 } 8508 8509 faddr += dlen; 8510 risc_addr += dlen; 8511 risc_size -= dlen; 8512 } 8513 } 8514 8515 if (!IS_QLA27XX(ha) && !IS_QLA28XX(ha)) 8516 return QLA_SUCCESS; 8517 8518 templates = (risc_attr & BIT_9) ? 2 : 1; 8519 ql_dbg(ql_dbg_init, vha, 0x0160, "-> templates = %u\n", templates); 8520 for (j = 0; j < templates; j++, fwdt++) { 8521 vfree(fwdt->template); 8522 fwdt->template = NULL; 8523 fwdt->length = 0; 8524 8525 dcode = (uint32_t *)req->ring; 8526 8527 rval = qla24xx_read_flash_data(vha, dcode, faddr, 7); 8528 if (rval) { 8529 ql_log(ql_log_fatal, vha, 0x016c, 8530 "-> Unable to read template size.\n"); 8531 goto failed; 8532 } 8533 8534 risc_size = be32_to_cpu((__force __be32)dcode[2]); 8535 ql_dbg(ql_dbg_init, vha, 0x0161, 8536 "-> fwdt%u template array at %#x (%#x dwords)\n", 8537 j, faddr, risc_size); 8538 if (!risc_size || !~risc_size) { 8539 ql_dbg(ql_dbg_init, vha, 0x0162, 8540 "-> fwdt%u failed to read array\n", j); 8541 goto failed; 8542 } 8543 8544 /* skip header and ignore checksum */ 8545 faddr += 7; 8546 risc_size -= 8; 8547 8548 ql_dbg(ql_dbg_init, vha, 0x0163, 8549 "-> fwdt%u template allocate template %#x words...\n", 8550 j, risc_size); 8551 fwdt->template = vmalloc_array(risc_size, sizeof(*dcode)); 8552 if (!fwdt->template) { 8553 ql_log(ql_log_warn, vha, 0x0164, 8554 "-> fwdt%u failed allocate template.\n", j); 8555 goto failed; 8556 } 8557 8558 dcode = fwdt->template; 8559 rval = qla24xx_read_flash_data(vha, dcode, faddr, risc_size); 8560 8561 if (rval || !qla27xx_fwdt_template_valid(dcode)) { 8562 ql_log(ql_log_warn, vha, 0x0165, 8563 "-> fwdt%u failed template validate (rval %x)\n", 8564 j, rval); 8565 goto failed; 8566 } 8567 8568 dlen = qla27xx_fwdt_template_size(dcode); 8569 ql_dbg(ql_dbg_init, vha, 0x0166, 8570 "-> fwdt%u template size %#lx bytes (%#lx words)\n", 8571 j, dlen, dlen / sizeof(*dcode)); 8572 if (dlen > risc_size * sizeof(*dcode)) { 8573 ql_log(ql_log_warn, vha, 0x0167, 8574 "-> fwdt%u template exceeds array (%-lu bytes)\n", 8575 j, dlen - risc_size * sizeof(*dcode)); 8576 goto failed; 8577 } 8578 8579 fwdt->length = dlen; 8580 ql_dbg(ql_dbg_init, vha, 0x0168, 8581 "-> fwdt%u loaded template ok\n", j); 8582 8583 faddr += risc_size + 1; 8584 } 8585 8586 return QLA_SUCCESS; 8587 8588 failed: 8589 vfree(fwdt->template); 8590 fwdt->template = NULL; 8591 fwdt->length = 0; 8592 8593 return QLA_SUCCESS; 8594 } 8595 8596 #define QLA_FW_URL "http://ldriver.qlogic.com/firmware/" 8597 8598 int 8599 qla2x00_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr) 8600 { 8601 int rval; 8602 int i, fragment; 8603 uint16_t *wcode; 8604 __be16 *fwcode; 8605 uint32_t risc_addr, risc_size, fwclen, wlen, *seg; 8606 struct fw_blob *blob; 8607 struct qla_hw_data *ha = vha->hw; 8608 struct req_que *req = ha->req_q_map[0]; 8609 8610 /* Load firmware blob. */ 8611 blob = qla2x00_request_firmware(vha); 8612 if (!blob) { 8613 ql_log(ql_log_info, vha, 0x0083, 8614 "Firmware image unavailable.\n"); 8615 ql_log(ql_log_info, vha, 0x0084, 8616 "Firmware images can be retrieved from: "QLA_FW_URL ".\n"); 8617 return QLA_FUNCTION_FAILED; 8618 } 8619 8620 rval = QLA_SUCCESS; 8621 8622 wcode = (uint16_t *)req->ring; 8623 *srisc_addr = 0; 8624 fwcode = (__force __be16 *)blob->fw->data; 8625 fwclen = 0; 8626 8627 /* Validate firmware image by checking version. */ 8628 if (blob->fw->size < 8 * sizeof(uint16_t)) { 8629 ql_log(ql_log_fatal, vha, 0x0085, 8630 "Unable to verify integrity of firmware image (%zd).\n", 8631 blob->fw->size); 8632 goto fail_fw_integrity; 8633 } 8634 for (i = 0; i < 4; i++) 8635 wcode[i] = be16_to_cpu(fwcode[i + 4]); 8636 if ((wcode[0] == 0xffff && wcode[1] == 0xffff && wcode[2] == 0xffff && 8637 wcode[3] == 0xffff) || (wcode[0] == 0 && wcode[1] == 0 && 8638 wcode[2] == 0 && wcode[3] == 0)) { 8639 ql_log(ql_log_fatal, vha, 0x0086, 8640 "Unable to verify integrity of firmware image.\n"); 8641 ql_log(ql_log_fatal, vha, 0x0087, 8642 "Firmware data: %04x %04x %04x %04x.\n", 8643 wcode[0], wcode[1], wcode[2], wcode[3]); 8644 goto fail_fw_integrity; 8645 } 8646 8647 seg = blob->segs; 8648 while (*seg && rval == QLA_SUCCESS) { 8649 risc_addr = *seg; 8650 *srisc_addr = *srisc_addr == 0 ? *seg : *srisc_addr; 8651 risc_size = be16_to_cpu(fwcode[3]); 8652 8653 /* Validate firmware image size. */ 8654 fwclen += risc_size * sizeof(uint16_t); 8655 if (blob->fw->size < fwclen) { 8656 ql_log(ql_log_fatal, vha, 0x0088, 8657 "Unable to verify integrity of firmware image " 8658 "(%zd).\n", blob->fw->size); 8659 goto fail_fw_integrity; 8660 } 8661 8662 fragment = 0; 8663 while (risc_size > 0 && rval == QLA_SUCCESS) { 8664 wlen = (uint16_t)(ha->fw_transfer_size >> 1); 8665 if (wlen > risc_size) 8666 wlen = risc_size; 8667 ql_dbg(ql_dbg_init, vha, 0x0089, 8668 "Loading risc segment@ risc addr %x number of " 8669 "words 0x%x.\n", risc_addr, wlen); 8670 8671 for (i = 0; i < wlen; i++) 8672 wcode[i] = swab16((__force u32)fwcode[i]); 8673 8674 rval = qla2x00_load_ram(vha, req->dma, risc_addr, 8675 wlen); 8676 if (rval) { 8677 ql_log(ql_log_fatal, vha, 0x008a, 8678 "Failed to load segment %d of firmware.\n", 8679 fragment); 8680 break; 8681 } 8682 8683 fwcode += wlen; 8684 risc_addr += wlen; 8685 risc_size -= wlen; 8686 fragment++; 8687 } 8688 8689 /* Next segment. */ 8690 seg++; 8691 } 8692 return rval; 8693 8694 fail_fw_integrity: 8695 return QLA_FUNCTION_FAILED; 8696 } 8697 8698 static int 8699 qla24xx_load_risc_blob(scsi_qla_host_t *vha, uint32_t *srisc_addr) 8700 { 8701 int rval; 8702 uint templates, segments, fragment; 8703 uint32_t *dcode; 8704 ulong dlen; 8705 uint32_t risc_addr, risc_size, risc_attr = 0; 8706 ulong i; 8707 uint j; 8708 struct fw_blob *blob; 8709 __be32 *fwcode; 8710 struct qla_hw_data *ha = vha->hw; 8711 struct req_que *req = ha->req_q_map[0]; 8712 struct fwdt *fwdt = ha->fwdt; 8713 8714 ql_dbg(ql_dbg_init, vha, 0x0090, 8715 "-> FW: Loading via request-firmware.\n"); 8716 8717 blob = qla2x00_request_firmware(vha); 8718 if (!blob) { 8719 ql_log(ql_log_warn, vha, 0x0092, 8720 "-> Firmware file not found.\n"); 8721 8722 return QLA_FUNCTION_FAILED; 8723 } 8724 8725 fwcode = (__force __be32 *)blob->fw->data; 8726 dcode = (__force uint32_t *)fwcode; 8727 if (qla24xx_risc_firmware_invalid(dcode)) { 8728 ql_log(ql_log_fatal, vha, 0x0093, 8729 "Unable to verify integrity of firmware image (%zd).\n", 8730 blob->fw->size); 8731 ql_log(ql_log_fatal, vha, 0x0095, 8732 "Firmware data: %08x %08x %08x %08x.\n", 8733 dcode[0], dcode[1], dcode[2], dcode[3]); 8734 return QLA_FUNCTION_FAILED; 8735 } 8736 8737 dcode = (uint32_t *)req->ring; 8738 *srisc_addr = 0; 8739 segments = FA_RISC_CODE_SEGMENTS; 8740 for (j = 0; j < segments; j++) { 8741 ql_dbg(ql_dbg_init, vha, 0x0096, 8742 "-> Loading segment %u...\n", j); 8743 risc_addr = be32_to_cpu(fwcode[2]); 8744 risc_size = be32_to_cpu(fwcode[3]); 8745 8746 if (!*srisc_addr) { 8747 *srisc_addr = risc_addr; 8748 risc_attr = be32_to_cpu(fwcode[9]); 8749 } 8750 8751 dlen = ha->fw_transfer_size >> 2; 8752 for (fragment = 0; risc_size; fragment++) { 8753 if (dlen > risc_size) 8754 dlen = risc_size; 8755 8756 ql_dbg(ql_dbg_init, vha, 0x0097, 8757 "-> Loading fragment %u: %#x <- %#x (%#lx words)...\n", 8758 fragment, risc_addr, 8759 (uint32_t)(fwcode - (typeof(fwcode))blob->fw->data), 8760 dlen); 8761 8762 for (i = 0; i < dlen; i++) 8763 dcode[i] = swab32((__force u32)fwcode[i]); 8764 8765 rval = qla2x00_load_ram(vha, req->dma, risc_addr, dlen); 8766 if (rval) { 8767 ql_log(ql_log_fatal, vha, 0x0098, 8768 "-> Failed load firmware fragment %u.\n", 8769 fragment); 8770 return QLA_FUNCTION_FAILED; 8771 } 8772 8773 fwcode += dlen; 8774 risc_addr += dlen; 8775 risc_size -= dlen; 8776 } 8777 } 8778 8779 if (!IS_QLA27XX(ha) && !IS_QLA28XX(ha)) 8780 return QLA_SUCCESS; 8781 8782 templates = (risc_attr & BIT_9) ? 2 : 1; 8783 ql_dbg(ql_dbg_init, vha, 0x0170, "-> templates = %u\n", templates); 8784 for (j = 0; j < templates; j++, fwdt++) { 8785 vfree(fwdt->template); 8786 fwdt->template = NULL; 8787 fwdt->length = 0; 8788 8789 risc_size = be32_to_cpu(fwcode[2]); 8790 ql_dbg(ql_dbg_init, vha, 0x0171, 8791 "-> fwdt%u template array at %#x (%#x dwords)\n", 8792 j, (uint32_t)((void *)fwcode - (void *)blob->fw->data), 8793 risc_size); 8794 if (!risc_size || !~risc_size) { 8795 ql_dbg(ql_dbg_init, vha, 0x0172, 8796 "-> fwdt%u failed to read array\n", j); 8797 goto failed; 8798 } 8799 8800 /* skip header and ignore checksum */ 8801 fwcode += 7; 8802 risc_size -= 8; 8803 8804 ql_dbg(ql_dbg_init, vha, 0x0173, 8805 "-> fwdt%u template allocate template %#x words...\n", 8806 j, risc_size); 8807 fwdt->template = vmalloc_array(risc_size, sizeof(*dcode)); 8808 if (!fwdt->template) { 8809 ql_log(ql_log_warn, vha, 0x0174, 8810 "-> fwdt%u failed allocate template.\n", j); 8811 goto failed; 8812 } 8813 8814 dcode = fwdt->template; 8815 for (i = 0; i < risc_size; i++) 8816 dcode[i] = (__force u32)fwcode[i]; 8817 8818 if (!qla27xx_fwdt_template_valid(dcode)) { 8819 ql_log(ql_log_warn, vha, 0x0175, 8820 "-> fwdt%u failed template validate\n", j); 8821 goto failed; 8822 } 8823 8824 dlen = qla27xx_fwdt_template_size(dcode); 8825 ql_dbg(ql_dbg_init, vha, 0x0176, 8826 "-> fwdt%u template size %#lx bytes (%#lx words)\n", 8827 j, dlen, dlen / sizeof(*dcode)); 8828 if (dlen > risc_size * sizeof(*dcode)) { 8829 ql_log(ql_log_warn, vha, 0x0177, 8830 "-> fwdt%u template exceeds array (%-lu bytes)\n", 8831 j, dlen - risc_size * sizeof(*dcode)); 8832 goto failed; 8833 } 8834 8835 fwdt->length = dlen; 8836 ql_dbg(ql_dbg_init, vha, 0x0178, 8837 "-> fwdt%u loaded template ok\n", j); 8838 8839 fwcode += risc_size + 1; 8840 } 8841 8842 return QLA_SUCCESS; 8843 8844 failed: 8845 vfree(fwdt->template); 8846 fwdt->template = NULL; 8847 fwdt->length = 0; 8848 8849 return QLA_SUCCESS; 8850 } 8851 8852 int 8853 qla24xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr) 8854 { 8855 int rval; 8856 8857 if (ql2xfwloadbin == 1) 8858 return qla81xx_load_risc(vha, srisc_addr); 8859 8860 /* 8861 * FW Load priority: 8862 * 1) Firmware via request-firmware interface (.bin file). 8863 * 2) Firmware residing in flash. 8864 */ 8865 rval = qla24xx_load_risc_blob(vha, srisc_addr); 8866 if (rval == QLA_SUCCESS) 8867 return rval; 8868 8869 return qla24xx_load_risc_flash(vha, srisc_addr, 8870 vha->hw->flt_region_fw); 8871 } 8872 8873 int 8874 qla81xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr) 8875 { 8876 int rval; 8877 struct qla_hw_data *ha = vha->hw; 8878 struct active_regions active_regions = { }; 8879 8880 if (ql2xfwloadbin == 2) 8881 goto try_blob_fw; 8882 8883 /* FW Load priority: 8884 * 1) Firmware residing in flash. 8885 * 2) Firmware via request-firmware interface (.bin file). 8886 * 3) Golden-Firmware residing in flash -- (limited operation). 8887 */ 8888 8889 if (!IS_QLA27XX(ha) && !IS_QLA28XX(ha)) 8890 goto try_primary_fw; 8891 8892 qla27xx_get_active_image(vha, &active_regions); 8893 8894 if (active_regions.global != QLA27XX_SECONDARY_IMAGE) 8895 goto try_primary_fw; 8896 8897 ql_dbg(ql_dbg_init, vha, 0x008b, 8898 "Loading secondary firmware image.\n"); 8899 rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_fw_sec); 8900 if (!rval) 8901 return rval; 8902 8903 try_primary_fw: 8904 ql_dbg(ql_dbg_init, vha, 0x008b, 8905 "Loading primary firmware image.\n"); 8906 rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_fw); 8907 if (!rval) 8908 return rval; 8909 8910 try_blob_fw: 8911 rval = qla24xx_load_risc_blob(vha, srisc_addr); 8912 if (!rval || !ha->flt_region_gold_fw) 8913 return rval; 8914 8915 ql_log(ql_log_info, vha, 0x0099, 8916 "Attempting to fallback to golden firmware.\n"); 8917 rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_gold_fw); 8918 if (rval) 8919 return rval; 8920 8921 ql_log(ql_log_info, vha, 0x009a, "Need firmware flash update.\n"); 8922 ha->flags.running_gold_fw = 1; 8923 return rval; 8924 } 8925 8926 void 8927 qla2x00_try_to_stop_firmware(scsi_qla_host_t *vha) 8928 { 8929 int ret, retries; 8930 struct qla_hw_data *ha = vha->hw; 8931 8932 if (ha->flags.pci_channel_io_perm_failure) 8933 return; 8934 if (!IS_FWI2_CAPABLE(ha)) 8935 return; 8936 if (!ha->fw_major_version) 8937 return; 8938 if (!ha->flags.fw_started) 8939 return; 8940 8941 ret = qla2x00_stop_firmware(vha); 8942 for (retries = 5; ret != QLA_SUCCESS && ret != QLA_FUNCTION_TIMEOUT && 8943 ret != QLA_INVALID_COMMAND && retries ; retries--) { 8944 ha->isp_ops->reset_chip(vha); 8945 if (ha->isp_ops->chip_diag(vha) != QLA_SUCCESS) 8946 continue; 8947 if (qla2x00_setup_chip(vha) != QLA_SUCCESS) 8948 continue; 8949 ql_log(ql_log_info, vha, 0x8015, 8950 "Attempting retry of stop-firmware command.\n"); 8951 ret = qla2x00_stop_firmware(vha); 8952 } 8953 8954 QLA_FW_STOPPED(ha); 8955 ha->flags.fw_init_done = 0; 8956 } 8957 8958 int 8959 qla24xx_configure_vhba(scsi_qla_host_t *vha) 8960 { 8961 int rval = QLA_SUCCESS; 8962 int rval2; 8963 uint16_t mb[MAILBOX_REGISTER_COUNT]; 8964 struct qla_hw_data *ha = vha->hw; 8965 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev); 8966 8967 if (!vha->vp_idx) 8968 return -EINVAL; 8969 8970 rval = qla2x00_fw_ready(base_vha); 8971 8972 if (rval == QLA_SUCCESS) { 8973 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags); 8974 qla2x00_marker(vha, ha->base_qpair, 0, 0, MK_SYNC_ALL); 8975 } 8976 8977 vha->flags.management_server_logged_in = 0; 8978 8979 /* Login to SNS first */ 8980 rval2 = ha->isp_ops->fabric_login(vha, NPH_SNS, 0xff, 0xff, 0xfc, mb, 8981 BIT_1); 8982 if (rval2 != QLA_SUCCESS || mb[0] != MBS_COMMAND_COMPLETE) { 8983 if (rval2 == QLA_MEMORY_ALLOC_FAILED) 8984 ql_dbg(ql_dbg_init, vha, 0x0120, 8985 "Failed SNS login: loop_id=%x, rval2=%d\n", 8986 NPH_SNS, rval2); 8987 else 8988 ql_dbg(ql_dbg_init, vha, 0x0103, 8989 "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x " 8990 "mb[2]=%x mb[6]=%x mb[7]=%x.\n", 8991 NPH_SNS, mb[0], mb[1], mb[2], mb[6], mb[7]); 8992 return (QLA_FUNCTION_FAILED); 8993 } 8994 8995 atomic_set(&vha->loop_down_timer, 0); 8996 atomic_set(&vha->loop_state, LOOP_UP); 8997 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); 8998 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); 8999 rval = qla2x00_loop_resync(base_vha); 9000 9001 return rval; 9002 } 9003 9004 /* 84XX Support **************************************************************/ 9005 9006 static LIST_HEAD(qla_cs84xx_list); 9007 static DEFINE_MUTEX(qla_cs84xx_mutex); 9008 9009 static struct qla_chip_state_84xx * 9010 qla84xx_get_chip(struct scsi_qla_host *vha) 9011 { 9012 struct qla_chip_state_84xx *cs84xx; 9013 struct qla_hw_data *ha = vha->hw; 9014 9015 mutex_lock(&qla_cs84xx_mutex); 9016 9017 /* Find any shared 84xx chip. */ 9018 list_for_each_entry(cs84xx, &qla_cs84xx_list, list) { 9019 if (cs84xx->bus == ha->pdev->bus) { 9020 kref_get(&cs84xx->kref); 9021 goto done; 9022 } 9023 } 9024 9025 cs84xx = kzalloc(sizeof(*cs84xx), GFP_KERNEL); 9026 if (!cs84xx) 9027 goto done; 9028 9029 kref_init(&cs84xx->kref); 9030 spin_lock_init(&cs84xx->access_lock); 9031 mutex_init(&cs84xx->fw_update_mutex); 9032 cs84xx->bus = ha->pdev->bus; 9033 9034 list_add_tail(&cs84xx->list, &qla_cs84xx_list); 9035 done: 9036 mutex_unlock(&qla_cs84xx_mutex); 9037 return cs84xx; 9038 } 9039 9040 static void 9041 __qla84xx_chip_release(struct kref *kref) 9042 { 9043 struct qla_chip_state_84xx *cs84xx = 9044 container_of(kref, struct qla_chip_state_84xx, kref); 9045 9046 mutex_lock(&qla_cs84xx_mutex); 9047 list_del(&cs84xx->list); 9048 mutex_unlock(&qla_cs84xx_mutex); 9049 kfree(cs84xx); 9050 } 9051 9052 void 9053 qla84xx_put_chip(struct scsi_qla_host *vha) 9054 { 9055 struct qla_hw_data *ha = vha->hw; 9056 9057 if (ha->cs84xx) 9058 kref_put(&ha->cs84xx->kref, __qla84xx_chip_release); 9059 } 9060 9061 static int 9062 qla84xx_init_chip(scsi_qla_host_t *vha) 9063 { 9064 int rval; 9065 uint16_t status[2]; 9066 struct qla_hw_data *ha = vha->hw; 9067 9068 mutex_lock(&ha->cs84xx->fw_update_mutex); 9069 9070 rval = qla84xx_verify_chip(vha, status); 9071 9072 mutex_unlock(&ha->cs84xx->fw_update_mutex); 9073 9074 return rval != QLA_SUCCESS || status[0] ? QLA_FUNCTION_FAILED : 9075 QLA_SUCCESS; 9076 } 9077 9078 /* 81XX Support **************************************************************/ 9079 9080 int 9081 qla81xx_nvram_config(scsi_qla_host_t *vha) 9082 { 9083 int rval; 9084 struct init_cb_81xx *icb; 9085 struct nvram_81xx *nv; 9086 __le32 *dptr; 9087 uint8_t *dptr1, *dptr2; 9088 uint32_t chksum; 9089 uint16_t cnt; 9090 struct qla_hw_data *ha = vha->hw; 9091 uint32_t faddr; 9092 struct active_regions active_regions = { }; 9093 9094 rval = QLA_SUCCESS; 9095 icb = (struct init_cb_81xx *)ha->init_cb; 9096 nv = ha->nvram; 9097 9098 /* Determine NVRAM starting address. */ 9099 ha->nvram_size = sizeof(*nv); 9100 ha->vpd_size = FA_NVRAM_VPD_SIZE; 9101 if (IS_P3P_TYPE(ha) || IS_QLA8031(ha)) 9102 ha->vpd_size = FA_VPD_SIZE_82XX; 9103 9104 if (IS_QLA28XX(ha) || IS_QLA27XX(ha)) 9105 qla28xx_get_aux_images(vha, &active_regions); 9106 9107 /* Get VPD data into cache */ 9108 ha->vpd = ha->nvram + VPD_OFFSET; 9109 9110 faddr = ha->flt_region_vpd; 9111 if (IS_QLA28XX(ha)) { 9112 if (active_regions.aux.vpd_nvram == QLA27XX_SECONDARY_IMAGE) 9113 faddr = ha->flt_region_vpd_sec; 9114 ql_dbg(ql_dbg_init, vha, 0x0110, 9115 "Loading %s nvram image.\n", 9116 active_regions.aux.vpd_nvram == QLA27XX_PRIMARY_IMAGE ? 9117 "primary" : "secondary"); 9118 } 9119 ha->isp_ops->read_optrom(vha, ha->vpd, faddr << 2, ha->vpd_size); 9120 9121 /* Get NVRAM data into cache and calculate checksum. */ 9122 faddr = ha->flt_region_nvram; 9123 if (IS_QLA28XX(ha)) { 9124 if (active_regions.aux.vpd_nvram == QLA27XX_SECONDARY_IMAGE) 9125 faddr = ha->flt_region_nvram_sec; 9126 } 9127 ql_dbg(ql_dbg_init, vha, 0x0110, 9128 "Loading %s nvram image.\n", 9129 active_regions.aux.vpd_nvram == QLA27XX_PRIMARY_IMAGE ? 9130 "primary" : "secondary"); 9131 ha->isp_ops->read_optrom(vha, ha->nvram, faddr << 2, ha->nvram_size); 9132 9133 dptr = (__force __le32 *)nv; 9134 for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++, dptr++) 9135 chksum += le32_to_cpu(*dptr); 9136 9137 ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x0111, 9138 "Contents of NVRAM:\n"); 9139 ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0112, 9140 nv, ha->nvram_size); 9141 9142 /* Bad NVRAM data, set defaults parameters. */ 9143 if (chksum || memcmp("ISP ", nv->id, sizeof(nv->id)) || 9144 le16_to_cpu(nv->nvram_version) < ICB_VERSION) { 9145 /* Reset NVRAM data. */ 9146 ql_log(ql_log_info, vha, 0x0073, 9147 "Inconsistent NVRAM checksum=%#x id=%.4s version=%#x.\n", 9148 chksum, nv->id, le16_to_cpu(nv->nvram_version)); 9149 ql_dump_buffer(ql_dbg_init, vha, 0x0073, nv, sizeof(*nv)); 9150 ql_log(ql_log_info, vha, 0x0074, 9151 "Falling back to functioning (yet invalid -- WWPN) " 9152 "defaults.\n"); 9153 9154 /* 9155 * Set default initialization control block. 9156 */ 9157 memset(nv, 0, ha->nvram_size); 9158 nv->nvram_version = cpu_to_le16(ICB_VERSION); 9159 nv->version = cpu_to_le16(ICB_VERSION); 9160 nv->frame_payload_size = cpu_to_le16(2048); 9161 nv->execution_throttle = cpu_to_le16(0xFFFF); 9162 nv->exchange_count = cpu_to_le16(0); 9163 nv->port_name[0] = 0x21; 9164 nv->port_name[1] = 0x00 + ha->port_no + 1; 9165 nv->port_name[2] = 0x00; 9166 nv->port_name[3] = 0xe0; 9167 nv->port_name[4] = 0x8b; 9168 nv->port_name[5] = 0x1c; 9169 nv->port_name[6] = 0x55; 9170 nv->port_name[7] = 0x86; 9171 nv->node_name[0] = 0x20; 9172 nv->node_name[1] = 0x00; 9173 nv->node_name[2] = 0x00; 9174 nv->node_name[3] = 0xe0; 9175 nv->node_name[4] = 0x8b; 9176 nv->node_name[5] = 0x1c; 9177 nv->node_name[6] = 0x55; 9178 nv->node_name[7] = 0x86; 9179 nv->login_retry_count = cpu_to_le16(8); 9180 nv->interrupt_delay_timer = cpu_to_le16(0); 9181 nv->login_timeout = cpu_to_le16(0); 9182 nv->firmware_options_1 = 9183 cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1); 9184 nv->firmware_options_2 = cpu_to_le32(2 << 4); 9185 nv->firmware_options_2 |= cpu_to_le32(BIT_12); 9186 nv->firmware_options_3 = cpu_to_le32(2 << 13); 9187 nv->host_p = cpu_to_le32(BIT_11|BIT_10); 9188 nv->efi_parameters = cpu_to_le32(0); 9189 nv->reset_delay = 5; 9190 nv->max_luns_per_target = cpu_to_le16(128); 9191 nv->port_down_retry_count = cpu_to_le16(30); 9192 nv->link_down_timeout = cpu_to_le16(180); 9193 nv->enode_mac[0] = 0x00; 9194 nv->enode_mac[1] = 0xC0; 9195 nv->enode_mac[2] = 0xDD; 9196 nv->enode_mac[3] = 0x04; 9197 nv->enode_mac[4] = 0x05; 9198 nv->enode_mac[5] = 0x06 + ha->port_no + 1; 9199 9200 rval = 1; 9201 } 9202 9203 if (IS_T10_PI_CAPABLE(ha)) 9204 nv->frame_payload_size &= cpu_to_le16(~7); 9205 9206 qlt_81xx_config_nvram_stage1(vha, nv); 9207 9208 /* Reset Initialization control block */ 9209 memset(icb, 0, ha->init_cb_size); 9210 9211 /* Copy 1st segment. */ 9212 dptr1 = (uint8_t *)icb; 9213 dptr2 = (uint8_t *)&nv->version; 9214 cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version; 9215 while (cnt--) 9216 *dptr1++ = *dptr2++; 9217 9218 icb->login_retry_count = nv->login_retry_count; 9219 9220 /* Copy 2nd segment. */ 9221 dptr1 = (uint8_t *)&icb->interrupt_delay_timer; 9222 dptr2 = (uint8_t *)&nv->interrupt_delay_timer; 9223 cnt = (uint8_t *)&icb->reserved_5 - 9224 (uint8_t *)&icb->interrupt_delay_timer; 9225 while (cnt--) 9226 *dptr1++ = *dptr2++; 9227 9228 memcpy(icb->enode_mac, nv->enode_mac, sizeof(icb->enode_mac)); 9229 /* Some boards (with valid NVRAMs) still have NULL enode_mac!! */ 9230 if (!memcmp(icb->enode_mac, "\0\0\0\0\0\0", sizeof(icb->enode_mac))) { 9231 icb->enode_mac[0] = 0x00; 9232 icb->enode_mac[1] = 0xC0; 9233 icb->enode_mac[2] = 0xDD; 9234 icb->enode_mac[3] = 0x04; 9235 icb->enode_mac[4] = 0x05; 9236 icb->enode_mac[5] = 0x06 + ha->port_no + 1; 9237 } 9238 9239 /* Use extended-initialization control block. */ 9240 memcpy(ha->ex_init_cb, &nv->ex_version, sizeof(*ha->ex_init_cb)); 9241 ha->frame_payload_size = le16_to_cpu(icb->frame_payload_size); 9242 /* 9243 * Setup driver NVRAM options. 9244 */ 9245 qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name), 9246 "QLE8XXX"); 9247 9248 qlt_81xx_config_nvram_stage2(vha, icb); 9249 9250 /* Use alternate WWN? */ 9251 if (nv->host_p & cpu_to_le32(BIT_15)) { 9252 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE); 9253 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE); 9254 } 9255 9256 /* Prepare nodename */ 9257 if ((icb->firmware_options_1 & cpu_to_le32(BIT_14)) == 0) { 9258 /* 9259 * Firmware will apply the following mask if the nodename was 9260 * not provided. 9261 */ 9262 memcpy(icb->node_name, icb->port_name, WWN_SIZE); 9263 icb->node_name[0] &= 0xF0; 9264 } 9265 9266 if (IS_QLA28XX(ha) || IS_QLA27XX(ha)) { 9267 if ((nv->enhanced_features & BIT_7) == 0) 9268 ha->flags.scm_supported_a = 1; 9269 } 9270 9271 /* Set host adapter parameters. */ 9272 ha->flags.disable_risc_code_load = 0; 9273 ha->flags.enable_lip_reset = 0; 9274 ha->flags.enable_lip_full_login = 9275 le32_to_cpu(nv->host_p) & BIT_10 ? 1 : 0; 9276 ha->flags.enable_target_reset = 9277 le32_to_cpu(nv->host_p) & BIT_11 ? 1 : 0; 9278 ha->flags.enable_led_scheme = 0; 9279 ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1 : 0; 9280 9281 ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) & 9282 (BIT_6 | BIT_5 | BIT_4)) >> 4; 9283 9284 /* save HBA serial number */ 9285 ha->serial0 = icb->port_name[5]; 9286 ha->serial1 = icb->port_name[6]; 9287 ha->serial2 = icb->port_name[7]; 9288 memcpy(vha->node_name, icb->node_name, WWN_SIZE); 9289 memcpy(vha->port_name, icb->port_name, WWN_SIZE); 9290 9291 icb->execution_throttle = cpu_to_le16(0xFFFF); 9292 9293 ha->retry_count = le16_to_cpu(nv->login_retry_count); 9294 9295 /* Set minimum login_timeout to 4 seconds. */ 9296 if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout) 9297 nv->login_timeout = cpu_to_le16(ql2xlogintimeout); 9298 if (le16_to_cpu(nv->login_timeout) < 4) 9299 nv->login_timeout = cpu_to_le16(4); 9300 ha->login_timeout = le16_to_cpu(nv->login_timeout); 9301 9302 /* Set minimum RATOV to 100 tenths of a second. */ 9303 ha->r_a_tov = 100; 9304 9305 ha->loop_reset_delay = nv->reset_delay; 9306 9307 /* Link Down Timeout = 0: 9308 * 9309 * When Port Down timer expires we will start returning 9310 * I/O's to OS with "DID_NO_CONNECT". 9311 * 9312 * Link Down Timeout != 0: 9313 * 9314 * The driver waits for the link to come up after link down 9315 * before returning I/Os to OS with "DID_NO_CONNECT". 9316 */ 9317 if (le16_to_cpu(nv->link_down_timeout) == 0) { 9318 ha->loop_down_abort_time = 9319 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT); 9320 } else { 9321 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout); 9322 ha->loop_down_abort_time = 9323 (LOOP_DOWN_TIME - ha->link_down_timeout); 9324 } 9325 9326 /* Need enough time to try and get the port back. */ 9327 ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count); 9328 if (qlport_down_retry) 9329 ha->port_down_retry_count = qlport_down_retry; 9330 9331 /* Set login_retry_count */ 9332 ha->login_retry_count = le16_to_cpu(nv->login_retry_count); 9333 if (ha->port_down_retry_count == 9334 le16_to_cpu(nv->port_down_retry_count) && 9335 ha->port_down_retry_count > 3) 9336 ha->login_retry_count = ha->port_down_retry_count; 9337 else if (ha->port_down_retry_count > (int)ha->login_retry_count) 9338 ha->login_retry_count = ha->port_down_retry_count; 9339 if (ql2xloginretrycount) 9340 ha->login_retry_count = ql2xloginretrycount; 9341 9342 /* if not running MSI-X we need handshaking on interrupts */ 9343 if (!vha->hw->flags.msix_enabled && 9344 (IS_QLA83XX(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha))) 9345 icb->firmware_options_2 |= cpu_to_le32(BIT_22); 9346 9347 /* Enable ZIO. */ 9348 if (!vha->flags.init_done) { 9349 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) & 9350 (BIT_3 | BIT_2 | BIT_1 | BIT_0); 9351 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ? 9352 le16_to_cpu(icb->interrupt_delay_timer) : 2; 9353 } 9354 icb->firmware_options_2 &= cpu_to_le32( 9355 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0)); 9356 vha->flags.process_response_queue = 0; 9357 if (ha->zio_mode != QLA_ZIO_DISABLED) { 9358 ha->zio_mode = QLA_ZIO_MODE_6; 9359 9360 ql_log(ql_log_info, vha, 0x0075, 9361 "ZIO mode %d enabled; timer delay (%d us).\n", 9362 ha->zio_mode, 9363 ha->zio_timer * 100); 9364 9365 icb->firmware_options_2 |= cpu_to_le32( 9366 (uint32_t)ha->zio_mode); 9367 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer); 9368 vha->flags.process_response_queue = 1; 9369 } 9370 9371 /* enable RIDA Format2 */ 9372 icb->firmware_options_3 |= cpu_to_le32(BIT_0); 9373 9374 /* N2N: driver will initiate Login instead of FW */ 9375 icb->firmware_options_3 |= cpu_to_le32(BIT_8); 9376 9377 /* Determine NVMe/FCP priority for target ports */ 9378 ha->fc4_type_priority = qla2xxx_get_fc4_priority(vha); 9379 9380 if (rval) { 9381 ql_log(ql_log_warn, vha, 0x0076, 9382 "NVRAM configuration failed.\n"); 9383 } 9384 return (rval); 9385 } 9386 9387 int 9388 qla82xx_restart_isp(scsi_qla_host_t *vha) 9389 { 9390 int status, rval; 9391 struct qla_hw_data *ha = vha->hw; 9392 struct scsi_qla_host *vp, *tvp; 9393 unsigned long flags; 9394 9395 status = qla2x00_init_rings(vha); 9396 if (!status) { 9397 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags); 9398 ha->flags.chip_reset_done = 1; 9399 9400 status = qla2x00_fw_ready(vha); 9401 if (!status) { 9402 /* Issue a marker after FW becomes ready. */ 9403 qla2x00_marker(vha, ha->base_qpair, 0, 0, MK_SYNC_ALL); 9404 vha->flags.online = 1; 9405 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); 9406 } 9407 9408 /* if no cable then assume it's good */ 9409 if ((vha->device_flags & DFLG_NO_CABLE)) 9410 status = 0; 9411 } 9412 9413 if (!status) { 9414 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags); 9415 9416 if (!atomic_read(&vha->loop_down_timer)) { 9417 /* 9418 * Issue marker command only when we are going 9419 * to start the I/O . 9420 */ 9421 vha->marker_needed = 1; 9422 } 9423 9424 ha->isp_ops->enable_intrs(ha); 9425 9426 ha->isp_abort_cnt = 0; 9427 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags); 9428 9429 /* Update the firmware version */ 9430 status = qla82xx_check_md_needed(vha); 9431 9432 if (ha->fce) { 9433 ha->flags.fce_enabled = 1; 9434 memset(ha->fce, 0, 9435 fce_calc_size(ha->fce_bufs)); 9436 rval = qla2x00_enable_fce_trace(vha, 9437 ha->fce_dma, ha->fce_bufs, ha->fce_mb, 9438 &ha->fce_bufs); 9439 if (rval) { 9440 ql_log(ql_log_warn, vha, 0x8001, 9441 "Unable to reinitialize FCE (%d).\n", 9442 rval); 9443 ha->flags.fce_enabled = 0; 9444 } 9445 } 9446 9447 if (ha->eft) { 9448 memset(ha->eft, 0, EFT_SIZE); 9449 rval = qla2x00_enable_eft_trace(vha, 9450 ha->eft_dma, EFT_NUM_BUFFERS); 9451 if (rval) { 9452 ql_log(ql_log_warn, vha, 0x8010, 9453 "Unable to reinitialize EFT (%d).\n", 9454 rval); 9455 } 9456 } 9457 } 9458 9459 if (!status) { 9460 ql_dbg(ql_dbg_taskm, vha, 0x8011, 9461 "qla82xx_restart_isp succeeded.\n"); 9462 9463 spin_lock_irqsave(&ha->vport_slock, flags); 9464 list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) { 9465 if (vp->vp_idx) { 9466 atomic_inc(&vp->vref_count); 9467 spin_unlock_irqrestore(&ha->vport_slock, flags); 9468 9469 qla2x00_vp_abort_isp(vp); 9470 9471 spin_lock_irqsave(&ha->vport_slock, flags); 9472 atomic_dec(&vp->vref_count); 9473 } 9474 } 9475 spin_unlock_irqrestore(&ha->vport_slock, flags); 9476 9477 } else { 9478 ql_log(ql_log_warn, vha, 0x8016, 9479 "qla82xx_restart_isp **** FAILED ****.\n"); 9480 } 9481 9482 return status; 9483 } 9484 9485 /* 9486 * qla24xx_get_fcp_prio 9487 * Gets the fcp cmd priority value for the logged in port. 9488 * Looks for a match of the port descriptors within 9489 * each of the fcp prio config entries. If a match is found, 9490 * the tag (priority) value is returned. 9491 * 9492 * Input: 9493 * vha = scsi host structure pointer. 9494 * fcport = port structure pointer. 9495 * 9496 * Return: 9497 * non-zero (if found) 9498 * -1 (if not found) 9499 * 9500 * Context: 9501 * Kernel context 9502 */ 9503 static int 9504 qla24xx_get_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport) 9505 { 9506 int i, entries; 9507 uint8_t pid_match, wwn_match; 9508 int priority; 9509 uint32_t pid1, pid2; 9510 uint64_t wwn1, wwn2; 9511 struct qla_fcp_prio_entry *pri_entry; 9512 struct qla_hw_data *ha = vha->hw; 9513 9514 if (!ha->fcp_prio_cfg || !ha->flags.fcp_prio_enabled) 9515 return -1; 9516 9517 priority = -1; 9518 entries = ha->fcp_prio_cfg->num_entries; 9519 pri_entry = &ha->fcp_prio_cfg->entry[0]; 9520 9521 for (i = 0; i < entries; i++) { 9522 pid_match = wwn_match = 0; 9523 9524 if (!(pri_entry->flags & FCP_PRIO_ENTRY_VALID)) { 9525 pri_entry++; 9526 continue; 9527 } 9528 9529 /* check source pid for a match */ 9530 if (pri_entry->flags & FCP_PRIO_ENTRY_SPID_VALID) { 9531 pid1 = pri_entry->src_pid & INVALID_PORT_ID; 9532 pid2 = vha->d_id.b24 & INVALID_PORT_ID; 9533 if (pid1 == INVALID_PORT_ID) 9534 pid_match++; 9535 else if (pid1 == pid2) 9536 pid_match++; 9537 } 9538 9539 /* check destination pid for a match */ 9540 if (pri_entry->flags & FCP_PRIO_ENTRY_DPID_VALID) { 9541 pid1 = pri_entry->dst_pid & INVALID_PORT_ID; 9542 pid2 = fcport->d_id.b24 & INVALID_PORT_ID; 9543 if (pid1 == INVALID_PORT_ID) 9544 pid_match++; 9545 else if (pid1 == pid2) 9546 pid_match++; 9547 } 9548 9549 /* check source WWN for a match */ 9550 if (pri_entry->flags & FCP_PRIO_ENTRY_SWWN_VALID) { 9551 wwn1 = wwn_to_u64(vha->port_name); 9552 wwn2 = wwn_to_u64(pri_entry->src_wwpn); 9553 if (wwn2 == (uint64_t)-1) 9554 wwn_match++; 9555 else if (wwn1 == wwn2) 9556 wwn_match++; 9557 } 9558 9559 /* check destination WWN for a match */ 9560 if (pri_entry->flags & FCP_PRIO_ENTRY_DWWN_VALID) { 9561 wwn1 = wwn_to_u64(fcport->port_name); 9562 wwn2 = wwn_to_u64(pri_entry->dst_wwpn); 9563 if (wwn2 == (uint64_t)-1) 9564 wwn_match++; 9565 else if (wwn1 == wwn2) 9566 wwn_match++; 9567 } 9568 9569 if (pid_match == 2 || wwn_match == 2) { 9570 /* Found a matching entry */ 9571 if (pri_entry->flags & FCP_PRIO_ENTRY_TAG_VALID) 9572 priority = pri_entry->tag; 9573 break; 9574 } 9575 9576 pri_entry++; 9577 } 9578 9579 return priority; 9580 } 9581 9582 /* 9583 * qla24xx_update_fcport_fcp_prio 9584 * Activates fcp priority for the logged in fc port 9585 * 9586 * Input: 9587 * vha = scsi host structure pointer. 9588 * fcp = port structure pointer. 9589 * 9590 * Return: 9591 * QLA_SUCCESS or QLA_FUNCTION_FAILED 9592 * 9593 * Context: 9594 * Kernel context. 9595 */ 9596 int 9597 qla24xx_update_fcport_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport) 9598 { 9599 int ret; 9600 int priority; 9601 uint16_t mb[5]; 9602 9603 if (fcport->port_type != FCT_TARGET || 9604 fcport->loop_id == FC_NO_LOOP_ID) 9605 return QLA_FUNCTION_FAILED; 9606 9607 priority = qla24xx_get_fcp_prio(vha, fcport); 9608 if (priority < 0) 9609 return QLA_FUNCTION_FAILED; 9610 9611 if (IS_P3P_TYPE(vha->hw)) { 9612 fcport->fcp_prio = priority & 0xf; 9613 return QLA_SUCCESS; 9614 } 9615 9616 ret = qla24xx_set_fcp_prio(vha, fcport->loop_id, priority, mb); 9617 if (ret == QLA_SUCCESS) { 9618 if (fcport->fcp_prio != priority) 9619 ql_dbg(ql_dbg_user, vha, 0x709e, 9620 "Updated FCP_CMND priority - value=%d loop_id=%d " 9621 "port_id=%02x%02x%02x.\n", priority, 9622 fcport->loop_id, fcport->d_id.b.domain, 9623 fcport->d_id.b.area, fcport->d_id.b.al_pa); 9624 fcport->fcp_prio = priority & 0xf; 9625 } else 9626 ql_dbg(ql_dbg_user, vha, 0x704f, 9627 "Unable to update FCP_CMND priority - ret=0x%x for " 9628 "loop_id=%d port_id=%02x%02x%02x.\n", ret, fcport->loop_id, 9629 fcport->d_id.b.domain, fcport->d_id.b.area, 9630 fcport->d_id.b.al_pa); 9631 return ret; 9632 } 9633 9634 /* 9635 * qla24xx_update_all_fcp_prio 9636 * Activates fcp priority for all the logged in ports 9637 * 9638 * Input: 9639 * ha = adapter block pointer. 9640 * 9641 * Return: 9642 * QLA_SUCCESS or QLA_FUNCTION_FAILED 9643 * 9644 * Context: 9645 * Kernel context. 9646 */ 9647 int 9648 qla24xx_update_all_fcp_prio(scsi_qla_host_t *vha) 9649 { 9650 int ret; 9651 fc_port_t *fcport; 9652 9653 ret = QLA_FUNCTION_FAILED; 9654 /* We need to set priority for all logged in ports */ 9655 list_for_each_entry(fcport, &vha->vp_fcports, list) 9656 ret = qla24xx_update_fcport_fcp_prio(vha, fcport); 9657 9658 return ret; 9659 } 9660 9661 struct qla_qpair *qla2xxx_create_qpair(struct scsi_qla_host *vha, int qos, 9662 int vp_idx, bool startqp) 9663 { 9664 int rsp_id = 0; 9665 int req_id = 0; 9666 int i; 9667 struct qla_hw_data *ha = vha->hw; 9668 uint16_t qpair_id = 0; 9669 struct qla_qpair *qpair = NULL; 9670 struct qla_msix_entry *msix; 9671 9672 if (!(ha->fw_attributes & BIT_6) || !ha->flags.msix_enabled) { 9673 ql_log(ql_log_warn, vha, 0x00181, 9674 "FW/Driver is not multi-queue capable.\n"); 9675 return NULL; 9676 } 9677 9678 if (ql2xmqsupport || ql2xnvmeenable) { 9679 qpair = kzalloc(sizeof(struct qla_qpair), GFP_KERNEL); 9680 if (qpair == NULL) { 9681 ql_log(ql_log_warn, vha, 0x0182, 9682 "Failed to allocate memory for queue pair.\n"); 9683 return NULL; 9684 } 9685 9686 qpair->hw = vha->hw; 9687 qpair->vha = vha; 9688 qpair->qp_lock_ptr = &qpair->qp_lock; 9689 spin_lock_init(&qpair->qp_lock); 9690 qpair->use_shadow_reg = IS_SHADOW_REG_CAPABLE(ha) ? 1 : 0; 9691 9692 /* Assign available que pair id */ 9693 mutex_lock(&ha->mq_lock); 9694 qpair_id = find_first_zero_bit(ha->qpair_qid_map, ha->max_qpairs); 9695 if (ha->num_qpairs >= ha->max_qpairs) { 9696 mutex_unlock(&ha->mq_lock); 9697 ql_log(ql_log_warn, vha, 0x0183, 9698 "No resources to create additional q pair.\n"); 9699 goto fail_qid_map; 9700 } 9701 ha->num_qpairs++; 9702 set_bit(qpair_id, ha->qpair_qid_map); 9703 ha->queue_pair_map[qpair_id] = qpair; 9704 qpair->id = qpair_id; 9705 qpair->vp_idx = vp_idx; 9706 qpair->fw_started = ha->flags.fw_started; 9707 INIT_LIST_HEAD(&qpair->hints_list); 9708 INIT_LIST_HEAD(&qpair->dsd_list); 9709 qpair->chip_reset = ha->base_qpair->chip_reset; 9710 qpair->enable_class_2 = ha->base_qpair->enable_class_2; 9711 qpair->enable_explicit_conf = 9712 ha->base_qpair->enable_explicit_conf; 9713 9714 for (i = 0; i < ha->msix_count; i++) { 9715 msix = &ha->msix_entries[i]; 9716 if (msix->in_use) 9717 continue; 9718 qpair->msix = msix; 9719 ql_dbg(ql_dbg_multiq, vha, 0xc00f, 9720 "Vector %x selected for qpair\n", msix->vector); 9721 break; 9722 } 9723 if (!qpair->msix) { 9724 ql_log(ql_log_warn, vha, 0x0184, 9725 "Out of MSI-X vectors!.\n"); 9726 goto fail_msix; 9727 } 9728 9729 qpair->msix->in_use = 1; 9730 list_add_tail(&qpair->qp_list_elem, &vha->qp_list); 9731 qpair->pdev = ha->pdev; 9732 if (IS_QLA27XX(ha) || IS_QLA83XX(ha) || IS_QLA28XX(ha)) 9733 qpair->reqq_start_iocbs = qla_83xx_start_iocbs; 9734 9735 mutex_unlock(&ha->mq_lock); 9736 9737 /* Create response queue first */ 9738 rsp_id = qla25xx_create_rsp_que(ha, 0, 0, 0, qpair, startqp); 9739 if (!rsp_id) { 9740 ql_log(ql_log_warn, vha, 0x0185, 9741 "Failed to create response queue.\n"); 9742 goto fail_rsp; 9743 } 9744 9745 qpair->rsp = ha->rsp_q_map[rsp_id]; 9746 9747 /* Create request queue */ 9748 req_id = qla25xx_create_req_que(ha, 0, vp_idx, 0, rsp_id, qos, 9749 startqp); 9750 if (!req_id) { 9751 ql_log(ql_log_warn, vha, 0x0186, 9752 "Failed to create request queue.\n"); 9753 goto fail_req; 9754 } 9755 9756 qpair->req = ha->req_q_map[req_id]; 9757 qpair->rsp->req = qpair->req; 9758 qpair->rsp->qpair = qpair; 9759 9760 if (!qpair->cpu_mapped) 9761 qla_cpu_update(qpair, raw_smp_processor_id()); 9762 9763 if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif) { 9764 if (ha->fw_attributes & BIT_4) 9765 qpair->difdix_supported = 1; 9766 } 9767 9768 qpair->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep); 9769 if (!qpair->srb_mempool) { 9770 ql_log(ql_log_warn, vha, 0xd036, 9771 "Failed to create srb mempool for qpair %d\n", 9772 qpair->id); 9773 goto fail_mempool; 9774 } 9775 9776 if (qla_create_buf_pool(vha, qpair)) { 9777 ql_log(ql_log_warn, vha, 0xd036, 9778 "Failed to initialize buf pool for qpair %d\n", 9779 qpair->id); 9780 goto fail_bufpool; 9781 } 9782 9783 /* Mark as online */ 9784 qpair->online = 1; 9785 9786 if (!vha->flags.qpairs_available) 9787 vha->flags.qpairs_available = 1; 9788 9789 ql_dbg(ql_dbg_multiq, vha, 0xc00d, 9790 "Request/Response queue pair created, id %d\n", 9791 qpair->id); 9792 ql_dbg(ql_dbg_init, vha, 0x0187, 9793 "Request/Response queue pair created, id %d\n", 9794 qpair->id); 9795 } 9796 return qpair; 9797 9798 fail_bufpool: 9799 mempool_destroy(qpair->srb_mempool); 9800 fail_mempool: 9801 qla25xx_delete_req_que(vha, qpair->req); 9802 fail_req: 9803 qla25xx_delete_rsp_que(vha, qpair->rsp); 9804 fail_rsp: 9805 mutex_lock(&ha->mq_lock); 9806 qpair->msix->in_use = 0; 9807 list_del(&qpair->qp_list_elem); 9808 if (list_empty(&vha->qp_list)) 9809 vha->flags.qpairs_available = 0; 9810 fail_msix: 9811 ha->queue_pair_map[qpair_id] = NULL; 9812 clear_bit(qpair_id, ha->qpair_qid_map); 9813 ha->num_qpairs--; 9814 mutex_unlock(&ha->mq_lock); 9815 fail_qid_map: 9816 kfree(qpair); 9817 return NULL; 9818 } 9819 9820 int qla2xxx_delete_qpair(struct scsi_qla_host *vha, struct qla_qpair *qpair) 9821 { 9822 int ret = QLA_FUNCTION_FAILED; 9823 struct qla_hw_data *ha = qpair->hw; 9824 9825 qpair->delete_in_progress = 1; 9826 9827 qla_free_buf_pool(qpair); 9828 9829 ret = qla25xx_delete_req_que(vha, qpair->req); 9830 if (ret != QLA_SUCCESS) 9831 goto fail; 9832 9833 ret = qla25xx_delete_rsp_que(vha, qpair->rsp); 9834 if (ret != QLA_SUCCESS) 9835 goto fail; 9836 9837 if (!list_empty(&qpair->dsd_list)) { 9838 struct dsd_dma *dsd_ptr, *tdsd_ptr; 9839 9840 /* clean up allocated prev pool */ 9841 list_for_each_entry_safe(dsd_ptr, tdsd_ptr, 9842 &qpair->dsd_list, list) { 9843 dma_pool_free(ha->dl_dma_pool, dsd_ptr->dsd_addr, 9844 dsd_ptr->dsd_list_dma); 9845 list_del(&dsd_ptr->list); 9846 kfree(dsd_ptr); 9847 } 9848 } 9849 9850 mutex_lock(&ha->mq_lock); 9851 ha->queue_pair_map[qpair->id] = NULL; 9852 clear_bit(qpair->id, ha->qpair_qid_map); 9853 ha->num_qpairs--; 9854 list_del(&qpair->qp_list_elem); 9855 if (list_empty(&vha->qp_list)) { 9856 vha->flags.qpairs_available = 0; 9857 vha->flags.qpairs_req_created = 0; 9858 vha->flags.qpairs_rsp_created = 0; 9859 } 9860 mempool_destroy(qpair->srb_mempool); 9861 kfree(qpair); 9862 mutex_unlock(&ha->mq_lock); 9863 9864 return QLA_SUCCESS; 9865 fail: 9866 return ret; 9867 } 9868 9869 uint64_t 9870 qla2x00_count_set_bits(uint32_t num) 9871 { 9872 /* Brian Kernighan's Algorithm */ 9873 u64 count = 0; 9874 9875 while (num) { 9876 num &= (num - 1); 9877 count++; 9878 } 9879 return count; 9880 } 9881 9882 uint64_t 9883 qla2x00_get_num_tgts(scsi_qla_host_t *vha) 9884 { 9885 fc_port_t *f, *tf; 9886 u64 count = 0; 9887 9888 f = NULL; 9889 tf = NULL; 9890 9891 list_for_each_entry_safe(f, tf, &vha->vp_fcports, list) { 9892 if (f->port_type != FCT_TARGET) 9893 continue; 9894 count++; 9895 } 9896 return count; 9897 } 9898 9899 int qla2xxx_reset_stats(struct Scsi_Host *host, u32 flags) 9900 { 9901 scsi_qla_host_t *vha = shost_priv(host); 9902 fc_port_t *fcport = NULL; 9903 unsigned long int_flags; 9904 9905 if (flags & QLA2XX_HW_ERROR) 9906 vha->hw_err_cnt = 0; 9907 if (flags & QLA2XX_SHT_LNK_DWN) 9908 vha->short_link_down_cnt = 0; 9909 if (flags & QLA2XX_INT_ERR) 9910 vha->interface_err_cnt = 0; 9911 if (flags & QLA2XX_CMD_TIMEOUT) 9912 vha->cmd_timeout_cnt = 0; 9913 if (flags & QLA2XX_RESET_CMD_ERR) 9914 vha->reset_cmd_err_cnt = 0; 9915 if (flags & QLA2XX_TGT_SHT_LNK_DOWN) { 9916 spin_lock_irqsave(&vha->hw->tgt.sess_lock, int_flags); 9917 list_for_each_entry(fcport, &vha->vp_fcports, list) { 9918 fcport->tgt_short_link_down_cnt = 0; 9919 fcport->tgt_link_down_time = QLA2XX_MAX_LINK_DOWN_TIME; 9920 } 9921 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, int_flags); 9922 } 9923 vha->link_down_time = QLA2XX_MAX_LINK_DOWN_TIME; 9924 return 0; 9925 } 9926 9927 int qla2xxx_start_stats(struct Scsi_Host *host, u32 flags) 9928 { 9929 return qla2xxx_reset_stats(host, flags); 9930 } 9931 9932 int qla2xxx_stop_stats(struct Scsi_Host *host, u32 flags) 9933 { 9934 return qla2xxx_reset_stats(host, flags); 9935 } 9936 9937 int qla2xxx_get_ini_stats(struct Scsi_Host *host, u32 flags, 9938 void *data, u64 size) 9939 { 9940 scsi_qla_host_t *vha = shost_priv(host); 9941 struct ql_vnd_host_stats_resp *resp = (struct ql_vnd_host_stats_resp *)data; 9942 struct ql_vnd_stats *rsp_data = &resp->stats; 9943 u64 ini_entry_count = 0; 9944 u64 i = 0; 9945 u64 entry_count = 0; 9946 u64 num_tgt = 0; 9947 u32 tmp_stat_type = 0; 9948 fc_port_t *fcport = NULL; 9949 unsigned long int_flags; 9950 9951 /* Copy stat type to work on it */ 9952 tmp_stat_type = flags; 9953 9954 if (tmp_stat_type & BIT_17) { 9955 num_tgt = qla2x00_get_num_tgts(vha); 9956 /* unset BIT_17 */ 9957 tmp_stat_type &= ~(1 << 17); 9958 } 9959 ini_entry_count = qla2x00_count_set_bits(tmp_stat_type); 9960 9961 entry_count = ini_entry_count + num_tgt; 9962 9963 rsp_data->entry_count = entry_count; 9964 9965 i = 0; 9966 if (flags & QLA2XX_HW_ERROR) { 9967 rsp_data->entry[i].stat_type = QLA2XX_HW_ERROR; 9968 rsp_data->entry[i].tgt_num = 0x0; 9969 rsp_data->entry[i].cnt = vha->hw_err_cnt; 9970 i++; 9971 } 9972 9973 if (flags & QLA2XX_SHT_LNK_DWN) { 9974 rsp_data->entry[i].stat_type = QLA2XX_SHT_LNK_DWN; 9975 rsp_data->entry[i].tgt_num = 0x0; 9976 rsp_data->entry[i].cnt = vha->short_link_down_cnt; 9977 i++; 9978 } 9979 9980 if (flags & QLA2XX_INT_ERR) { 9981 rsp_data->entry[i].stat_type = QLA2XX_INT_ERR; 9982 rsp_data->entry[i].tgt_num = 0x0; 9983 rsp_data->entry[i].cnt = vha->interface_err_cnt; 9984 i++; 9985 } 9986 9987 if (flags & QLA2XX_CMD_TIMEOUT) { 9988 rsp_data->entry[i].stat_type = QLA2XX_CMD_TIMEOUT; 9989 rsp_data->entry[i].tgt_num = 0x0; 9990 rsp_data->entry[i].cnt = vha->cmd_timeout_cnt; 9991 i++; 9992 } 9993 9994 if (flags & QLA2XX_RESET_CMD_ERR) { 9995 rsp_data->entry[i].stat_type = QLA2XX_RESET_CMD_ERR; 9996 rsp_data->entry[i].tgt_num = 0x0; 9997 rsp_data->entry[i].cnt = vha->reset_cmd_err_cnt; 9998 i++; 9999 } 10000 10001 /* i will continue from previous loop, as target 10002 * entries are after initiator 10003 */ 10004 if (flags & QLA2XX_TGT_SHT_LNK_DOWN) { 10005 spin_lock_irqsave(&vha->hw->tgt.sess_lock, int_flags); 10006 list_for_each_entry(fcport, &vha->vp_fcports, list) { 10007 if (fcport->port_type != FCT_TARGET) 10008 continue; 10009 if (!fcport->rport) 10010 continue; 10011 rsp_data->entry[i].stat_type = QLA2XX_TGT_SHT_LNK_DOWN; 10012 rsp_data->entry[i].tgt_num = fcport->rport->number; 10013 rsp_data->entry[i].cnt = fcport->tgt_short_link_down_cnt; 10014 i++; 10015 } 10016 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, int_flags); 10017 } 10018 resp->status = EXT_STATUS_OK; 10019 10020 return 0; 10021 } 10022 10023 int qla2xxx_get_tgt_stats(struct Scsi_Host *host, u32 flags, 10024 struct fc_rport *rport, void *data, u64 size) 10025 { 10026 struct ql_vnd_tgt_stats_resp *tgt_data = data; 10027 fc_port_t *fcport = *(fc_port_t **)rport->dd_data; 10028 10029 tgt_data->status = 0; 10030 tgt_data->stats.entry_count = 1; 10031 tgt_data->stats.entry[0].stat_type = flags; 10032 tgt_data->stats.entry[0].tgt_num = rport->number; 10033 tgt_data->stats.entry[0].cnt = fcport->tgt_short_link_down_cnt; 10034 10035 return 0; 10036 } 10037 10038 int qla2xxx_disable_port(struct Scsi_Host *host) 10039 { 10040 scsi_qla_host_t *vha = shost_priv(host); 10041 10042 vha->hw->flags.port_isolated = 1; 10043 10044 if (qla2x00_isp_reg_stat(vha->hw)) { 10045 ql_log(ql_log_info, vha, 0x9006, 10046 "PCI/Register disconnect, exiting.\n"); 10047 qla_pci_set_eeh_busy(vha); 10048 return FAILED; 10049 } 10050 if (qla2x00_chip_is_down(vha)) 10051 return 0; 10052 10053 if (vha->flags.online) { 10054 qla2x00_abort_isp_cleanup(vha); 10055 qla2x00_wait_for_sess_deletion(vha); 10056 } 10057 10058 return 0; 10059 } 10060 10061 int qla2xxx_enable_port(struct Scsi_Host *host) 10062 { 10063 scsi_qla_host_t *vha = shost_priv(host); 10064 10065 if (qla2x00_isp_reg_stat(vha->hw)) { 10066 ql_log(ql_log_info, vha, 0x9001, 10067 "PCI/Register disconnect, exiting.\n"); 10068 qla_pci_set_eeh_busy(vha); 10069 return FAILED; 10070 } 10071 10072 vha->hw->flags.port_isolated = 0; 10073 /* Set the flag to 1, so that isp_abort can proceed */ 10074 vha->flags.online = 1; 10075 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 10076 qla2xxx_wake_dpc(vha); 10077 10078 return 0; 10079 } 10080