1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 /* 22 * Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved. 23 * Copyright 2012 Nexenta Systems, Inc. All rights reserved. 24 */ 25 26 #include <sys/conf.h> 27 #include <sys/file.h> 28 #include <sys/ddi.h> 29 #include <sys/sunddi.h> 30 #include <sys/modctl.h> 31 #include <sys/scsi/scsi.h> 32 #include <sys/scsi/impl/scsi_reset_notify.h> 33 #include <sys/disp.h> 34 #include <sys/byteorder.h> 35 #include <sys/varargs.h> 36 #include <sys/atomic.h> 37 #include <sys/sdt.h> 38 39 #include <sys/stmf.h> 40 #include <sys/stmf_ioctl.h> 41 #include <sys/portif.h> 42 #include <sys/fct.h> 43 #include <sys/fctio.h> 44 45 #include "fct_impl.h" 46 #include "discovery.h" 47 48 static int fct_attach(dev_info_t *dip, ddi_attach_cmd_t cmd); 49 static int fct_detach(dev_info_t *dip, ddi_detach_cmd_t cmd); 50 static int fct_getinfo(dev_info_t *dip, ddi_info_cmd_t cmd, void *arg, 51 void **result); 52 static int fct_open(dev_t *devp, int flag, int otype, cred_t *credp); 53 static int fct_close(dev_t dev, int flag, int otype, cred_t *credp); 54 static int fct_ioctl(dev_t dev, int cmd, intptr_t data, int mode, 55 cred_t *credp, int *rval); 56 static int fct_fctiocmd(intptr_t data, int mode); 57 void fct_init_kstats(fct_i_local_port_t *iport); 58 59 static dev_info_t *fct_dip; 60 static struct cb_ops fct_cb_ops = { 61 fct_open, /* open */ 62 fct_close, /* close */ 63 nodev, /* strategy */ 64 nodev, /* print */ 65 nodev, /* dump */ 66 nodev, /* read */ 67 nodev, /* write */ 68 fct_ioctl, /* ioctl */ 69 nodev, /* devmap */ 70 nodev, /* mmap */ 71 nodev, /* segmap */ 72 nochpoll, /* chpoll */ 73 ddi_prop_op, /* cb_prop_op */ 74 0, /* streamtab */ 75 D_NEW | D_MP, /* cb_flag */ 76 CB_REV, /* rev */ 77 nodev, /* aread */ 78 nodev /* awrite */ 79 }; 80 81 static struct dev_ops fct_ops = { 82 DEVO_REV, 83 0, 84 fct_getinfo, 85 nulldev, /* identify */ 86 nulldev, /* probe */ 87 fct_attach, 88 fct_detach, 89 nodev, /* reset */ 90 &fct_cb_ops, 91 NULL, /* bus_ops */ 92 NULL /* power */ 93 }; 94 95 #define FCT_NAME "COMSTAR FCT" 96 #define FCT_MODULE_NAME "fct" 97 98 extern struct mod_ops mod_driverops; 99 static struct modldrv modldrv = { 100 &mod_driverops, 101 FCT_NAME, 102 &fct_ops 103 }; 104 105 static struct modlinkage modlinkage = { 106 MODREV_1, 107 &modldrv, 108 NULL 109 }; 110 111 static uint32_t rportid_table_size = FCT_HASH_TABLE_SIZE; 112 static int max_cached_ncmds = FCT_MAX_CACHED_CMDS; 113 static fct_i_local_port_t *fct_iport_list = NULL; 114 static kmutex_t fct_global_mutex; 115 uint32_t fct_rscn_options = RSCN_OPTION_VERIFY; 116 117 int 118 _init(void) 119 { 120 int ret; 121 122 ret = mod_install(&modlinkage); 123 if (ret) 124 return (ret); 125 /* XXX */ 126 mutex_init(&fct_global_mutex, NULL, MUTEX_DRIVER, NULL); 127 return (ret); 128 } 129 130 int 131 _fini(void) 132 { 133 int ret; 134 135 ret = mod_remove(&modlinkage); 136 if (ret) 137 return (ret); 138 /* XXX */ 139 mutex_destroy(&fct_global_mutex); 140 return (ret); 141 } 142 143 int 144 _info(struct modinfo *modinfop) 145 { 146 return (mod_info(&modlinkage, modinfop)); 147 } 148 149 /* ARGSUSED */ 150 static int 151 fct_getinfo(dev_info_t *dip, ddi_info_cmd_t cmd, void *arg, void **result) 152 { 153 switch (cmd) { 154 case DDI_INFO_DEVT2DEVINFO: 155 *result = fct_dip; 156 break; 157 case DDI_INFO_DEVT2INSTANCE: 158 *result = (void *)(uintptr_t)ddi_get_instance(fct_dip); 159 break; 160 default: 161 return (DDI_FAILURE); 162 } 163 164 return (DDI_SUCCESS); 165 } 166 167 static int 168 fct_attach(dev_info_t *dip, ddi_attach_cmd_t cmd) 169 { 170 switch (cmd) { 171 case DDI_ATTACH: 172 fct_dip = dip; 173 174 if (ddi_create_minor_node(dip, "admin", S_IFCHR, 0, 175 DDI_NT_STMF_PP, 0) != DDI_SUCCESS) { 176 break; 177 } 178 ddi_report_dev(dip); 179 return (DDI_SUCCESS); 180 } 181 182 return (DDI_FAILURE); 183 } 184 185 static int 186 fct_detach(dev_info_t *dip, ddi_detach_cmd_t cmd) 187 { 188 switch (cmd) { 189 case DDI_DETACH: 190 ddi_remove_minor_node(dip, 0); 191 return (DDI_SUCCESS); 192 } 193 194 return (DDI_FAILURE); 195 } 196 197 /* ARGSUSED */ 198 static int 199 fct_open(dev_t *devp, int flag, int otype, cred_t *credp) 200 { 201 if (otype != OTYP_CHR) 202 return (EINVAL); 203 return (0); 204 } 205 206 /* ARGSUSED */ 207 static int 208 fct_close(dev_t dev, int flag, int otype, cred_t *credp) 209 { 210 return (0); 211 } 212 213 /* ARGSUSED */ 214 static int 215 fct_ioctl(dev_t dev, int cmd, intptr_t data, int mode, 216 cred_t *credp, int *rval) 217 { 218 int ret = 0; 219 220 if ((cmd & 0xff000000) != FCT_IOCTL) { 221 return (ENOTTY); 222 } 223 224 if (drv_priv(credp) != 0) { 225 return (EPERM); 226 } 227 228 switch (cmd) { 229 case FCTIO_CMD: 230 ret = fct_fctiocmd(data, mode); 231 break; 232 default: 233 ret = ENOTTY; 234 break; 235 } 236 237 return (ret); 238 } 239 240 int 241 fct_copyin_iocdata(intptr_t data, int mode, fctio_t **fctio, 242 void **ibuf, void **abuf, void **obuf) 243 { 244 int ret = 0; 245 246 *ibuf = NULL; 247 *abuf = NULL; 248 *obuf = NULL; 249 *fctio = kmem_zalloc(sizeof (fctio_t), KM_SLEEP); 250 if (ddi_copyin((void *)data, *fctio, sizeof (fctio_t), mode)) { 251 ret = EFAULT; 252 goto copyin_iocdata_done; 253 } 254 255 if ((*fctio)->fctio_ilen) { 256 *ibuf = kmem_zalloc((*fctio)->fctio_ilen, KM_SLEEP); 257 if (ddi_copyin((void *)(unsigned long)(*fctio)->fctio_ibuf, 258 *ibuf, (*fctio)->fctio_ilen, mode)) { 259 ret = EFAULT; 260 goto copyin_iocdata_done; 261 } 262 } 263 if ((*fctio)->fctio_alen) { 264 *abuf = kmem_zalloc((*fctio)->fctio_alen, KM_SLEEP); 265 if (ddi_copyin((void *)(unsigned long)(*fctio)->fctio_abuf, 266 *abuf, (*fctio)->fctio_alen, mode)) { 267 ret = EFAULT; 268 goto copyin_iocdata_done; 269 } 270 } 271 if ((*fctio)->fctio_olen) 272 *obuf = kmem_zalloc((*fctio)->fctio_olen, KM_SLEEP); 273 if (ret == 0) 274 return (0); 275 ret = EFAULT; 276 copyin_iocdata_done: 277 if (*obuf) { 278 kmem_free(*obuf, (*fctio)->fctio_olen); 279 *obuf = NULL; 280 } 281 if (*abuf) { 282 kmem_free(*abuf, (*fctio)->fctio_alen); 283 *abuf = NULL; 284 } 285 if (*ibuf) { 286 kmem_free(*ibuf, (*fctio)->fctio_ilen); 287 *ibuf = NULL; 288 } 289 kmem_free(*fctio, sizeof (fctio_t)); 290 return (ret); 291 } 292 293 int 294 fct_copyout_iocdata(intptr_t data, int mode, fctio_t *fctio, void *obuf) 295 { 296 int ret = 0; 297 298 if (fctio->fctio_olen) { 299 ret = ddi_copyout(obuf, 300 (void *)(unsigned long)fctio->fctio_obuf, fctio->fctio_olen, 301 mode); 302 if (ret) { 303 return (EFAULT); 304 } 305 } 306 ret = ddi_copyout(fctio, (void *)data, sizeof (fctio_t), mode); 307 if (ret) { 308 return (EFAULT); 309 } 310 return (0); 311 } 312 313 int 314 fct_get_port_list(char *pathList, int count) 315 { 316 fct_i_local_port_t *iport; 317 int i = 0, maxPorts = 0; 318 319 ASSERT(pathList != NULL); 320 321 mutex_enter(&fct_global_mutex); 322 for (iport = fct_iport_list; iport; iport = iport->iport_next) { 323 if (i < count) 324 bcopy(iport->iport_port->port_pwwn, 325 pathList + 8 * i, 8); 326 maxPorts ++; 327 i++; 328 } 329 mutex_exit(&fct_global_mutex); 330 return (maxPorts); 331 } 332 333 /* invoked with fct_global_mutex locked */ 334 fct_i_local_port_t * 335 fct_get_iport_per_wwn(uint8_t *pwwn) 336 { 337 fct_i_local_port_t *iport; 338 339 ASSERT(mutex_owned(&fct_global_mutex)); 340 for (iport = fct_iport_list; iport; iport = iport->iport_next) { 341 if (bcmp(iport->iport_port->port_pwwn, pwwn, 8) == 0) 342 return (iport); 343 } 344 return (NULL); 345 } 346 347 int 348 fct_get_adapter_attr(uint8_t *pwwn, fc_tgt_hba_adapter_attributes_t *hba_attr, 349 uint32_t *err_detail) 350 { 351 fct_i_local_port_t *iport; 352 fct_port_attrs_t *attr; 353 354 hba_attr->version = FCT_HBA_ADAPTER_ATTRIBUTES_VERSION; 355 iport = fct_get_iport_per_wwn(pwwn); 356 if (!iport) { 357 *err_detail = FCTIO_BADWWN; 358 return (ENXIO); 359 } 360 361 attr = (fct_port_attrs_t *)kmem_zalloc(sizeof (fct_port_attrs_t), 362 KM_SLEEP); 363 mutex_exit(&fct_global_mutex); 364 iport->iport_port->port_populate_hba_details(iport->iport_port, attr); 365 mutex_enter(&fct_global_mutex); 366 367 bcopy(attr->manufacturer, hba_attr->Manufacturer, 368 sizeof (hba_attr->Manufacturer)); 369 bcopy(attr->serial_number, hba_attr->SerialNumber, 370 sizeof (hba_attr->SerialNumber)); 371 bcopy(attr->model, hba_attr->Model, sizeof (hba_attr->Model)); 372 bcopy(attr->model_description, hba_attr->ModelDescription, 373 sizeof (hba_attr->ModelDescription)); 374 if (iport->iport_port->port_sym_node_name) 375 bcopy(iport->iport_port->port_sym_node_name, 376 hba_attr->NodeSymbolicName, 377 strlen(iport->iport_port->port_sym_node_name)); 378 else 379 bcopy(utsname.nodename, hba_attr->NodeSymbolicName, 380 strlen(utsname.nodename)); 381 bcopy(attr->hardware_version, hba_attr->HardwareVersion, 382 sizeof (hba_attr->HardwareVersion)); 383 bcopy(attr->option_rom_version, hba_attr->OptionROMVersion, 384 sizeof (hba_attr->OptionROMVersion)); 385 bcopy(attr->firmware_version, hba_attr->FirmwareVersion, 386 sizeof (hba_attr->FirmwareVersion)); 387 hba_attr->VendorSpecificID = attr->vendor_specific_id; 388 bcopy(iport->iport_port->port_nwwn, hba_attr->NodeWWN, 389 sizeof (hba_attr->NodeWWN)); 390 391 bcopy(attr->driver_name, hba_attr->DriverName, 392 sizeof (hba_attr->DriverName)); 393 bcopy(attr->driver_version, hba_attr->DriverVersion, 394 sizeof (hba_attr->DriverVersion)); 395 396 397 /* hba_attr->NumberOfPorts = fct_count_fru_ports(iport); */ 398 hba_attr->NumberOfPorts = 1; 399 400 kmem_free(attr, sizeof (fct_port_attrs_t)); 401 return (0); 402 } 403 404 int 405 fct_get_adapter_port_attr(fct_i_local_port_t *ilport, uint8_t *pwwn, 406 fc_tgt_hba_port_attributes_t *port_attr, uint32_t *err_detail) 407 { 408 fct_i_local_port_t *iport = ilport; 409 fct_i_remote_port_t *irp = NULL; 410 fct_port_attrs_t *attr; 411 int i = 0; 412 413 port_attr->version = FCT_HBA_PORT_ATTRIBUTES_VERSION; 414 415 if (!ilport) { 416 iport = fct_get_iport_per_wwn(pwwn); 417 if (!iport) { 418 *err_detail = FCTIO_BADWWN; 419 return (ENXIO); 420 } 421 } 422 423 attr = (fct_port_attrs_t *)kmem_zalloc(sizeof (fct_port_attrs_t), 424 KM_SLEEP); 425 mutex_exit(&fct_global_mutex); 426 iport->iport_port->port_populate_hba_details(iport->iport_port, attr); 427 mutex_enter(&fct_global_mutex); 428 429 port_attr->lastChange = iport->iport_last_change; 430 bcopy(iport->iport_port->port_nwwn, port_attr->NodeWWN, 431 sizeof (port_attr->NodeWWN)); 432 bcopy(iport->iport_port->port_pwwn, port_attr->PortWWN, 433 sizeof (port_attr->PortWWN)); 434 bzero(port_attr->FabricName, sizeof (port_attr->FabricName)); 435 port_attr->PortFcId = iport->iport_link_info.portid; 436 if ((iport->iport_link_state & S_LINK_ONLINE) || 437 (iport->iport_link_state & S_RCVD_LINK_UP)) { 438 port_attr->PortState = FC_HBA_PORTSTATE_ONLINE; 439 } else { 440 port_attr->PortState = FC_HBA_PORTSTATE_OFFLINE; 441 } 442 switch (iport->iport_link_info.port_topology) { 443 case PORT_TOPOLOGY_PT_TO_PT: 444 port_attr->PortType = FC_HBA_PORTTYPE_PTP; 445 break; 446 case PORT_TOPOLOGY_PRIVATE_LOOP: 447 port_attr->PortType = FC_HBA_PORTTYPE_LPORT; 448 break; 449 case PORT_TOPOLOGY_PUBLIC_LOOP: 450 port_attr->PortType = FC_HBA_PORTTYPE_NLPORT; 451 break; 452 case PORT_TOPOLOGY_FABRIC_PT_TO_PT: 453 port_attr->PortType = FC_HBA_PORTTYPE_FPORT; 454 break; 455 default: 456 port_attr->PortType = FC_HBA_PORTTYPE_UNKNOWN; 457 break; 458 } 459 port_attr->PortSupportedClassofService = attr->supported_cos; 460 port_attr->PortSupportedFc4Types[0] = 0; 461 port_attr->PortActiveFc4Types[2] = 1; 462 if (iport->iport_port->port_sym_port_name) 463 bcopy(iport->iport_port->port_sym_port_name, 464 port_attr->PortSymbolicName, 465 strlen(iport->iport_port->port_sym_port_name)); 466 else if (iport->iport_port->port_default_alias) 467 bcopy(iport->iport_port->port_default_alias, 468 port_attr->PortSymbolicName, 469 strlen(iport->iport_port->port_default_alias)); 470 else 471 port_attr->PortSymbolicName[0] = 0; 472 /* the definition is different so need to translate */ 473 if (attr->supported_speed & PORT_SPEED_1G) 474 port_attr->PortSupportedSpeed |= FC_HBA_PORTSPEED_1GBIT; 475 if (attr->supported_speed & PORT_SPEED_2G) 476 port_attr->PortSupportedSpeed |= FC_HBA_PORTSPEED_2GBIT; 477 if (attr->supported_speed & PORT_SPEED_4G) 478 port_attr->PortSupportedSpeed |= FC_HBA_PORTSPEED_4GBIT; 479 if (attr->supported_speed & PORT_SPEED_8G) 480 port_attr->PortSupportedSpeed |= FC_HBA_PORTSPEED_8GBIT; 481 if (attr->supported_speed & PORT_SPEED_10G) 482 port_attr->PortSupportedSpeed |= FC_HBA_PORTSPEED_10GBIT; 483 switch (iport->iport_link_info.port_speed) { 484 case PORT_SPEED_1G: 485 port_attr->PortSpeed = FC_HBA_PORTSPEED_1GBIT; 486 break; 487 case PORT_SPEED_2G: 488 port_attr->PortSpeed = FC_HBA_PORTSPEED_2GBIT; 489 break; 490 case PORT_SPEED_4G: 491 port_attr->PortSpeed = FC_HBA_PORTSPEED_4GBIT; 492 break; 493 case PORT_SPEED_8G: 494 port_attr->PortSpeed = FC_HBA_PORTSPEED_8GBIT; 495 break; 496 case PORT_SPEED_10G: 497 port_attr->PortSpeed = FC_HBA_PORTSPEED_10GBIT; 498 break; 499 default: 500 port_attr->PortSpeed = FC_HBA_PORTSPEED_UNKNOWN; 501 break; 502 } 503 port_attr->PortMaxFrameSize = attr->max_frame_size; 504 rw_enter(&iport->iport_lock, RW_READER); 505 port_attr->NumberofDiscoveredPorts = iport->iport_nrps_login; 506 for (; i < iport->iport_port->port_max_logins; i++) { 507 irp = iport->iport_rp_slots[i]; 508 if (irp && irp->irp_flags & IRP_PLOGI_DONE) { 509 if (FC_WELL_KNOWN_ADDR(irp->irp_portid)) 510 port_attr->NumberofDiscoveredPorts --; 511 } 512 } 513 rw_exit(&iport->iport_lock); 514 515 kmem_free(attr, sizeof (fct_port_attrs_t)); 516 517 return (0); 518 } 519 520 int 521 fct_get_discovered_port_attr(fct_i_remote_port_t *remote_port, 522 uint8_t *port_wwn, uint32_t index, fc_tgt_hba_port_attributes_t *port_attr, 523 uint32_t *error_detail) 524 { 525 fct_i_local_port_t *iport; 526 fct_i_remote_port_t *irp = remote_port; 527 int count = 0, i = 0; 528 529 port_attr->version = FCT_HBA_PORT_ATTRIBUTES_VERSION; 530 if (!remote_port) { 531 iport = fct_get_iport_per_wwn(port_wwn); 532 if (!iport) { 533 *error_detail = FCTIO_BADWWN; 534 return (ENXIO); 535 } 536 537 rw_enter(&iport->iport_lock, RW_READER); 538 539 if (index >= iport->iport_nrps_login) { 540 rw_exit(&iport->iport_lock); 541 *error_detail = FCTIO_OUTOFBOUNDS; 542 return (EINVAL); 543 } 544 for (; i < iport->iport_port->port_max_logins; i++) { 545 irp = iport->iport_rp_slots[i]; 546 if (irp && irp->irp_flags & IRP_PLOGI_DONE && 547 !FC_WELL_KNOWN_ADDR(irp->irp_portid)) { 548 count ++; 549 if ((index + 1) <= count) 550 break; 551 } 552 } 553 if (i >= iport->iport_port->port_max_logins) { 554 rw_exit(&iport->iport_lock); 555 *error_detail = FCTIO_OUTOFBOUNDS; 556 return (EINVAL); 557 } 558 ASSERT(irp); 559 } else { 560 iport = (fct_i_local_port_t *) 561 irp->irp_rp->rp_port->port_fct_private; 562 } 563 port_attr->lastChange = iport->iport_last_change; 564 rw_enter(&irp->irp_lock, RW_READER); 565 bcopy(irp->irp_rp->rp_pwwn, port_attr->PortWWN, 566 sizeof (port_attr->PortWWN)); 567 bcopy(irp->irp_rp->rp_nwwn, port_attr->NodeWWN, 568 sizeof (port_attr->NodeWWN)); 569 port_attr->PortFcId = irp->irp_portid; 570 if (irp->irp_spn) 571 (void) strncpy(port_attr->PortSymbolicName, irp->irp_spn, 572 strlen(irp->irp_spn)); 573 else 574 port_attr->PortSymbolicName[0] = '\0'; 575 port_attr->PortSupportedClassofService = irp->irp_cos; 576 bcopy((caddr_t)irp->irp_fc4types, port_attr->PortActiveFc4Types, 577 sizeof (irp->irp_fc4types)); 578 bcopy((caddr_t)irp->irp_fc4types, port_attr->PortSupportedFc4Types, 579 sizeof (irp->irp_fc4types)); 580 if (irp->irp_flags & IRP_PLOGI_DONE) 581 port_attr->PortState = FC_HBA_PORTSTATE_ONLINE; 582 else 583 port_attr->PortState = FC_HBA_PORTSTATE_UNKNOWN; 584 585 port_attr->PortType = FC_HBA_PORTTYPE_UNKNOWN; 586 port_attr->PortSupportedSpeed = FC_HBA_PORTSPEED_UNKNOWN; 587 port_attr->PortSpeed = FC_HBA_PORTSPEED_UNKNOWN; 588 port_attr->PortMaxFrameSize = 0; 589 port_attr->NumberofDiscoveredPorts = 0; 590 rw_exit(&irp->irp_lock); 591 if (!remote_port) { 592 rw_exit(&iport->iport_lock); 593 } 594 return (0); 595 } 596 597 int 598 fct_get_port_attr(uint8_t *port_wwn, 599 fc_tgt_hba_port_attributes_t *port_attr, uint32_t *error_detail) 600 { 601 fct_i_local_port_t *iport; 602 fct_i_remote_port_t *irp; 603 int i, ret; 604 605 iport = fct_get_iport_per_wwn(port_wwn); 606 if (iport) { 607 return (fct_get_adapter_port_attr(iport, port_wwn, 608 port_attr, error_detail)); 609 } 610 /* else */ 611 for (iport = fct_iport_list; iport; iport = iport->iport_next) { 612 rw_enter(&iport->iport_lock, RW_READER); 613 for (i = 0; i < rportid_table_size; i++) { 614 irp = iport->iport_rp_tb[i]; 615 while (irp) { 616 if (bcmp(irp->irp_rp->rp_pwwn, 617 port_wwn, 8) == 0 && 618 irp->irp_flags & IRP_PLOGI_DONE) { 619 ret = fct_get_discovered_port_attr( 620 irp, NULL, 0, port_attr, 621 error_detail); 622 rw_exit(&iport->iport_lock); 623 return (ret); 624 } 625 irp = irp->irp_next; 626 } 627 } 628 rw_exit(&iport->iport_lock); 629 } 630 *error_detail = FCTIO_BADWWN; 631 return (ENXIO); 632 } 633 634 /* ARGSUSED */ 635 int 636 fct_get_port_stats(uint8_t *port_wwn, 637 fc_tgt_hba_adapter_port_stats_t *port_stats, uint32_t *error_detail) 638 { 639 int ret; 640 fct_i_local_port_t *iport = fct_get_iport_per_wwn(port_wwn); 641 fct_port_link_status_t stat; 642 uint32_t buf_size = sizeof (fc_tgt_hba_adapter_port_stats_t); 643 644 if (!iport) 645 return (ENXIO); 646 port_stats->version = FCT_HBA_ADAPTER_PORT_STATS_VERSION; 647 648 if (iport->iport_port->port_info == NULL) { 649 *error_detail = FCTIO_FAILURE; 650 return (EIO); 651 } 652 ret = iport->iport_port->port_info(FC_TGT_PORT_RLS, 653 iport->iport_port, NULL, (uint8_t *)&stat, &buf_size); 654 if (ret != STMF_SUCCESS) { 655 *error_detail = FCTIO_FAILURE; 656 return (EIO); 657 } 658 659 port_stats->SecondsSinceLastReset = 0; 660 port_stats->TxFrames = 0; 661 port_stats->TxWords = 0; 662 port_stats->RxFrames = 0; 663 port_stats->RxWords = 0; 664 port_stats->LIPCount = 0; 665 port_stats->NOSCount = 0; 666 port_stats->ErrorFrames = 0; 667 port_stats->DumpedFrames = 0; 668 port_stats->LinkFailureCount = stat.LinkFailureCount; 669 port_stats->LossOfSyncCount = stat.LossOfSyncCount; 670 port_stats->LossOfSignalCount = stat.LossOfSignalsCount; 671 port_stats->PrimitiveSeqProtocolErrCount = 672 stat.PrimitiveSeqProtocolErrorCount; 673 port_stats->InvalidTxWordCount = 674 stat.InvalidTransmissionWordCount; 675 port_stats->InvalidCRCCount = stat.InvalidCRCCount; 676 677 return (ret); 678 } 679 680 int 681 fct_get_link_status(uint8_t *port_wwn, uint64_t *dest_id, 682 fct_port_link_status_t *link_status, uint32_t *error_detail) 683 { 684 fct_i_local_port_t *iport = fct_get_iport_per_wwn(port_wwn); 685 fct_i_remote_port_t *irp = NULL; 686 uint32_t buf_size = sizeof (fct_port_link_status_t); 687 stmf_status_t ret = 0; 688 int i; 689 fct_cmd_t *cmd = NULL; 690 691 if (!iport) { 692 *error_detail = FCTIO_BADWWN; 693 return (ENXIO); 694 } 695 696 /* 697 * If what we are requesting is zero or same as local port, 698 * then we use port_info() 699 */ 700 if (dest_id == NULL || *dest_id == iport->iport_link_info.portid) { 701 if (iport->iport_port->port_info == NULL) { 702 *error_detail = FCTIO_FAILURE; 703 return (EIO); 704 } 705 ret = iport->iport_port->port_info(FC_TGT_PORT_RLS, 706 iport->iport_port, NULL, 707 (uint8_t *)link_status, &buf_size); 708 if (ret == STMF_SUCCESS) { 709 return (0); 710 } else { 711 *error_detail = FCTIO_FAILURE; 712 return (EIO); 713 } 714 } 715 716 /* 717 * For remote port, we will send RLS 718 */ 719 for (i = 0; i < rportid_table_size; i++) { 720 irp = iport->iport_rp_tb[i]; 721 while (irp) { 722 if (irp->irp_rp->rp_id == *dest_id && 723 irp->irp_flags & IRP_PLOGI_DONE) { 724 goto SEND_RLS_ELS; 725 } 726 irp = irp->irp_next; 727 } 728 } 729 return (ENXIO); 730 731 SEND_RLS_ELS: 732 cmd = fct_create_solels(iport->iport_port, 733 irp->irp_rp, 0, ELS_OP_RLS, 734 0, fct_rls_cb); 735 if (!cmd) 736 return (ENOMEM); 737 iport->iport_rls_cb_data.fct_link_status = link_status; 738 CMD_TO_ICMD(cmd)->icmd_cb_private = &iport->iport_rls_cb_data; 739 fct_post_to_solcmd_queue(iport->iport_port, cmd); 740 sema_p(&iport->iport_rls_sema); 741 if (iport->iport_rls_cb_data.fct_els_res != FCT_SUCCESS) 742 ret = EIO; 743 return (ret); 744 } 745 746 static int 747 fct_forcelip(uint8_t *port_wwn, uint32_t *fctio_errno) 748 { 749 fct_status_t rval; 750 fct_i_local_port_t *iport; 751 752 mutex_enter(&fct_global_mutex); 753 iport = fct_get_iport_per_wwn(port_wwn); 754 mutex_exit(&fct_global_mutex); 755 if (iport == NULL) { 756 return (-1); 757 } 758 759 iport->iport_port->port_ctl(iport->iport_port, 760 FCT_CMD_FORCE_LIP, &rval); 761 if (rval != FCT_SUCCESS) { 762 *fctio_errno = FCTIO_FAILURE; 763 } else { 764 *fctio_errno = 0; 765 } 766 767 return (0); 768 } 769 770 static int 771 fct_fctiocmd(intptr_t data, int mode) 772 { 773 int ret = 0; 774 void *ibuf = NULL; 775 void *obuf = NULL; 776 void *abuf = NULL; 777 fctio_t *fctio; 778 uint32_t attr_length; 779 780 ret = fct_copyin_iocdata(data, mode, &fctio, &ibuf, &abuf, &obuf); 781 if (ret) { 782 return (ret); 783 } 784 785 switch (fctio->fctio_cmd) { 786 case FCTIO_ADAPTER_LIST: { 787 fc_tgt_hba_list_t *list = (fc_tgt_hba_list_t *)obuf; 788 int count; 789 790 if (fctio->fctio_olen < sizeof (fc_tgt_hba_list_t)) { 791 ret = EINVAL; 792 break; 793 } 794 list->numPorts = (fctio->fctio_olen - 795 sizeof (fc_tgt_hba_list_t))/8 + 1; 796 797 list->version = FCT_HBA_LIST_VERSION; 798 count = fct_get_port_list((char *)list->port_wwn, 799 list->numPorts); 800 if (count < 0) { 801 ret = ENXIO; 802 break; 803 } 804 if (count > list->numPorts) { 805 fctio->fctio_errno = FCTIO_MOREDATA; 806 ret = ENOSPC; 807 } 808 list->numPorts = count; 809 break; 810 } 811 case FCTIO_GET_ADAPTER_ATTRIBUTES: { 812 fc_tgt_hba_adapter_attributes_t *hba_attr; 813 uint8_t *port_wwn = (uint8_t *)ibuf; 814 815 attr_length = sizeof (fc_tgt_hba_adapter_attributes_t); 816 if (fctio->fctio_olen < attr_length || 817 fctio->fctio_xfer != FCTIO_XFER_READ) { 818 ret = EINVAL; 819 break; 820 } 821 hba_attr = (fc_tgt_hba_adapter_attributes_t *)obuf; 822 823 mutex_enter(&fct_global_mutex); 824 ret = fct_get_adapter_attr(port_wwn, hba_attr, 825 &fctio->fctio_errno); 826 mutex_exit(&fct_global_mutex); 827 828 break; 829 } 830 case FCTIO_GET_ADAPTER_PORT_ATTRIBUTES: { 831 fc_tgt_hba_port_attributes_t *port_attr; 832 833 uint8_t *port_wwn = (uint8_t *)ibuf; 834 835 attr_length = sizeof (fc_tgt_hba_port_attributes_t); 836 if (fctio->fctio_olen < attr_length || 837 fctio->fctio_xfer != FCTIO_XFER_READ) { 838 ret = EINVAL; 839 break; 840 } 841 port_attr = (fc_tgt_hba_port_attributes_t *)obuf; 842 843 mutex_enter(&fct_global_mutex); 844 ret = fct_get_adapter_port_attr(NULL, port_wwn, port_attr, 845 &fctio->fctio_errno); 846 mutex_exit(&fct_global_mutex); 847 848 break; 849 } 850 case FCTIO_GET_DISCOVERED_PORT_ATTRIBUTES: { 851 uint8_t *port_wwn = (uint8_t *)ibuf; 852 uint32_t *port_index = (uint32_t *)abuf; 853 fc_tgt_hba_port_attributes_t *port_attr; 854 855 attr_length = sizeof (fc_tgt_hba_port_attributes_t); 856 if (fctio->fctio_olen < attr_length || 857 fctio->fctio_xfer != FCTIO_XFER_READ) { 858 ret = EINVAL; 859 break; 860 } 861 port_attr = (fc_tgt_hba_port_attributes_t *)obuf; 862 863 mutex_enter(&fct_global_mutex); 864 ret = fct_get_discovered_port_attr(NULL, port_wwn, 865 *port_index, port_attr, &fctio->fctio_errno); 866 mutex_exit(&fct_global_mutex); 867 868 break; 869 } 870 case FCTIO_GET_PORT_ATTRIBUTES: { 871 uint8_t *port_wwn = (uint8_t *)ibuf; 872 fc_tgt_hba_port_attributes_t *port_attr; 873 874 attr_length = sizeof (fc_tgt_hba_port_attributes_t); 875 if (fctio->fctio_olen < attr_length || 876 fctio->fctio_xfer != FCTIO_XFER_READ) { 877 ret = EINVAL; 878 break; 879 } 880 881 port_attr = (fc_tgt_hba_port_attributes_t *)obuf; 882 883 mutex_enter(&fct_global_mutex); 884 ret = fct_get_port_attr(port_wwn, port_attr, 885 &fctio->fctio_errno); 886 mutex_exit(&fct_global_mutex); 887 888 break; 889 } 890 case FCTIO_GET_ADAPTER_PORT_STATS: { 891 uint8_t *port_wwn = (uint8_t *)ibuf; 892 fc_tgt_hba_adapter_port_stats_t *port_stats = 893 (fc_tgt_hba_adapter_port_stats_t *)obuf; 894 mutex_enter(&fct_global_mutex); 895 ret = fct_get_port_stats(port_wwn, port_stats, 896 &fctio->fctio_errno); 897 mutex_exit(&fct_global_mutex); 898 break; 899 } 900 case FCTIO_GET_LINK_STATUS: { 901 uint8_t *port_wwn = (uint8_t *)ibuf; 902 fct_port_link_status_t *link_status = 903 (fct_port_link_status_t *)obuf; 904 uint64_t *dest_id = abuf; 905 906 mutex_enter(&fct_global_mutex); 907 ret = fct_get_link_status(port_wwn, dest_id, link_status, 908 &fctio->fctio_errno); 909 mutex_exit(&fct_global_mutex); 910 break; 911 } 912 913 case FCTIO_FORCE_LIP: 914 ret = fct_forcelip((uint8_t *)ibuf, &fctio->fctio_errno); 915 break; 916 917 default: 918 break; 919 } 920 if (ret == 0) { 921 ret = fct_copyout_iocdata(data, mode, fctio, obuf); 922 } else if (fctio->fctio_errno) { 923 (void) fct_copyout_iocdata(data, mode, fctio, obuf); 924 } 925 926 if (obuf) { 927 kmem_free(obuf, fctio->fctio_olen); 928 obuf = NULL; 929 } 930 if (abuf) { 931 kmem_free(abuf, fctio->fctio_alen); 932 abuf = NULL; 933 } 934 935 if (ibuf) { 936 kmem_free(ibuf, fctio->fctio_ilen); 937 ibuf = NULL; 938 } 939 kmem_free(fctio, sizeof (fctio_t)); 940 return (ret); 941 } 942 943 typedef struct { 944 void *bp; /* back pointer from internal struct to main struct */ 945 int alloc_size; 946 fct_struct_id_t struct_id; 947 } __ifct_t; 948 949 typedef struct { 950 __ifct_t *fp; /* Framework private */ 951 void *cp; /* Caller private */ 952 void *ss; /* struct specific */ 953 } __fct_t; 954 955 static struct { 956 int shared; 957 int fw_private; 958 int struct_specific; 959 } fct_sizes[] = { { 0, 0, 0 }, 960 { GET_STRUCT_SIZE(fct_local_port_t), 961 GET_STRUCT_SIZE(fct_i_local_port_t), 0 }, 962 { GET_STRUCT_SIZE(fct_remote_port_t), 963 GET_STRUCT_SIZE(fct_i_remote_port_t), 0 }, 964 { GET_STRUCT_SIZE(fct_cmd_t), 965 GET_STRUCT_SIZE(fct_i_cmd_t), GET_STRUCT_SIZE(fct_els_t) }, 966 { GET_STRUCT_SIZE(fct_cmd_t), 967 GET_STRUCT_SIZE(fct_i_cmd_t), GET_STRUCT_SIZE(fct_els_t) }, 968 { GET_STRUCT_SIZE(fct_cmd_t), 969 GET_STRUCT_SIZE(fct_i_cmd_t), GET_STRUCT_SIZE(fct_sol_ct_t) }, 970 { GET_STRUCT_SIZE(fct_cmd_t), GET_STRUCT_SIZE(fct_i_cmd_t), 971 GET_STRUCT_SIZE(fct_rcvd_abts_t) }, 972 { GET_STRUCT_SIZE(fct_cmd_t), /* FCT_STRUCT_CMD_FCP_XCHG */ 973 GET_STRUCT_SIZE(fct_i_cmd_t), 0 }, 974 { GET_STRUCT_SIZE(fct_dbuf_store_t), 975 GET_STRUCT_SIZE(__ifct_t), 0 } 976 }; 977 978 void * 979 fct_alloc(fct_struct_id_t struct_id, int additional_size, int flags) 980 { 981 int fct_size; 982 int kmem_flag; 983 __fct_t *sh; 984 985 if ((struct_id == 0) || (struct_id >= FCT_MAX_STRUCT_IDS)) 986 return (NULL); 987 988 if ((curthread->t_flag & T_INTR_THREAD) || (flags & AF_FORCE_NOSLEEP)) { 989 kmem_flag = KM_NOSLEEP; 990 } else { 991 kmem_flag = KM_SLEEP; 992 } 993 994 additional_size = (additional_size + 7) & (~7); 995 fct_size = fct_sizes[struct_id].shared + 996 fct_sizes[struct_id].fw_private + 997 fct_sizes[struct_id].struct_specific + additional_size; 998 999 if (struct_id == FCT_STRUCT_LOCAL_PORT) { 1000 stmf_local_port_t *lport; 1001 1002 lport = (stmf_local_port_t *)stmf_alloc( 1003 STMF_STRUCT_STMF_LOCAL_PORT, fct_size, flags); 1004 if (lport) { 1005 sh = (__fct_t *)lport->lport_port_private; 1006 sh->ss = lport; 1007 } else { 1008 return (NULL); 1009 } 1010 } else if (struct_id == FCT_STRUCT_DBUF_STORE) { 1011 stmf_dbuf_store_t *ds; 1012 1013 ds = (stmf_dbuf_store_t *)stmf_alloc(STMF_STRUCT_DBUF_STORE, 1014 fct_size, flags); 1015 if (ds) { 1016 sh = (__fct_t *)ds->ds_port_private; 1017 sh->ss = ds; 1018 } else { 1019 return (NULL); 1020 } 1021 } else { 1022 sh = (__fct_t *)kmem_zalloc(fct_size, kmem_flag); 1023 } 1024 1025 if (sh == NULL) 1026 return (NULL); 1027 1028 sh->fp = (__ifct_t *)GET_BYTE_OFFSET(sh, fct_sizes[struct_id].shared); 1029 sh->cp = GET_BYTE_OFFSET(sh->fp, fct_sizes[struct_id].fw_private); 1030 if (fct_sizes[struct_id].struct_specific) 1031 sh->ss = GET_BYTE_OFFSET(sh->cp, additional_size); 1032 1033 sh->fp->bp = sh; 1034 sh->fp->alloc_size = fct_size; 1035 sh->fp->struct_id = struct_id; 1036 1037 if (struct_id == FCT_STRUCT_CMD_FCP_XCHG) { 1038 ((fct_cmd_t *)sh)->cmd_type = FCT_CMD_FCP_XCHG; 1039 } else if (struct_id == FCT_STRUCT_CMD_RCVD_ELS) { 1040 ((fct_cmd_t *)sh)->cmd_type = FCT_CMD_RCVD_ELS; 1041 } else if (struct_id == FCT_STRUCT_CMD_SOL_ELS) { 1042 ((fct_cmd_t *)sh)->cmd_type = FCT_CMD_SOL_ELS; 1043 } else if (struct_id == FCT_STRUCT_CMD_RCVD_ABTS) { 1044 ((fct_cmd_t *)sh)->cmd_type = FCT_CMD_RCVD_ABTS; 1045 } else if (struct_id == FCT_STRUCT_CMD_SOL_CT) { 1046 ((fct_cmd_t *)sh)->cmd_type = FCT_CMD_SOL_CT; 1047 } 1048 1049 return (sh); 1050 } 1051 1052 void 1053 fct_free(void *ptr) 1054 { 1055 __fct_t *sh = (__fct_t *)ptr; 1056 fct_struct_id_t struct_id = sh->fp->struct_id; 1057 1058 if (struct_id == FCT_STRUCT_CMD_SOL_CT) { 1059 fct_sol_ct_t *ct = (fct_sol_ct_t *) 1060 ((fct_cmd_t *)ptr)->cmd_specific; 1061 1062 if (ct->ct_req_alloc_size) { 1063 kmem_free(ct->ct_req_payload, ct->ct_req_alloc_size); 1064 } 1065 if (ct->ct_resp_alloc_size) { 1066 kmem_free(ct->ct_resp_payload, ct->ct_resp_alloc_size); 1067 } 1068 } else if ((struct_id == FCT_STRUCT_CMD_RCVD_ELS) || 1069 (struct_id == FCT_STRUCT_CMD_SOL_ELS)) { 1070 fct_els_t *els = (fct_els_t *) 1071 ((fct_cmd_t *)ptr)->cmd_specific; 1072 if (els->els_req_alloc_size) 1073 kmem_free(els->els_req_payload, 1074 els->els_req_alloc_size); 1075 if (els->els_resp_alloc_size) 1076 kmem_free(els->els_resp_payload, 1077 els->els_resp_alloc_size); 1078 } 1079 1080 if (struct_id == FCT_STRUCT_LOCAL_PORT) { 1081 stmf_free(((fct_local_port_t *)ptr)->port_lport); 1082 } else if (struct_id == FCT_STRUCT_DBUF_STORE) { 1083 stmf_free(((fct_dbuf_store_t *)ptr)->fds_ds); 1084 } else { 1085 kmem_free(ptr, sh->fp->alloc_size); 1086 } 1087 } 1088 1089 stmf_data_buf_t * 1090 fct_alloc_dbuf(scsi_task_t *task, uint32_t size, uint32_t *pminsize, 1091 uint32_t flags) 1092 { 1093 fct_local_port_t *port = (fct_local_port_t *) 1094 task->task_lport->lport_port_private; 1095 1096 return (port->port_fds->fds_alloc_data_buf(port, size, 1097 pminsize, flags)); 1098 } 1099 1100 stmf_status_t 1101 fct_setup_dbuf(scsi_task_t *task, stmf_data_buf_t *dbuf, uint32_t flags) 1102 { 1103 fct_local_port_t *port = (fct_local_port_t *) 1104 task->task_lport->lport_port_private; 1105 1106 ASSERT(port->port_fds->fds_setup_dbuf != NULL); 1107 if (port->port_fds->fds_setup_dbuf == NULL) 1108 return (STMF_FAILURE); 1109 1110 return (port->port_fds->fds_setup_dbuf(port, dbuf, flags)); 1111 } 1112 1113 void 1114 fct_teardown_dbuf(stmf_dbuf_store_t *ds, stmf_data_buf_t *dbuf) 1115 { 1116 fct_dbuf_store_t *fds = ds->ds_port_private; 1117 1118 fds->fds_teardown_dbuf(fds, dbuf); 1119 } 1120 1121 void 1122 fct_free_dbuf(stmf_dbuf_store_t *ds, stmf_data_buf_t *dbuf) 1123 { 1124 fct_dbuf_store_t *fds; 1125 1126 fds = (fct_dbuf_store_t *)ds->ds_port_private; 1127 1128 fds->fds_free_data_buf(fds, dbuf); 1129 } 1130 1131 static uint32_t taskq_cntr = 0; 1132 1133 fct_status_t 1134 fct_register_local_port(fct_local_port_t *port) 1135 { 1136 fct_i_local_port_t *iport; 1137 stmf_local_port_t *lport; 1138 fct_cmd_slot_t *slot; 1139 int i; 1140 char taskq_name[FCT_TASKQ_NAME_LEN]; 1141 1142 iport = (fct_i_local_port_t *)port->port_fct_private; 1143 if (port->port_fca_version != FCT_FCA_MODREV_1) { 1144 cmn_err(CE_WARN, 1145 "fct: %s driver version mismatch", 1146 port->port_default_alias); 1147 return (FCT_FAILURE); 1148 } 1149 if (port->port_default_alias) { 1150 int l = strlen(port->port_default_alias); 1151 1152 if (l < 16) { 1153 iport->iport_alias = iport->iport_alias_mem; 1154 } else { 1155 iport->iport_alias = 1156 (char *)kmem_zalloc(l+1, KM_SLEEP); 1157 } 1158 (void) strcpy(iport->iport_alias, port->port_default_alias); 1159 } else { 1160 iport->iport_alias = NULL; 1161 } 1162 stmf_wwn_to_devid_desc((scsi_devid_desc_t *)iport->iport_id, 1163 port->port_pwwn, PROTOCOL_FIBRE_CHANNEL); 1164 (void) snprintf(taskq_name, sizeof (taskq_name), "stmf_fct_taskq_%d", 1165 atomic_inc_32_nv(&taskq_cntr)); 1166 if ((iport->iport_worker_taskq = ddi_taskq_create(NULL, 1167 taskq_name, 1, TASKQ_DEFAULTPRI, 0)) == NULL) { 1168 return (FCT_FAILURE); 1169 } 1170 mutex_init(&iport->iport_worker_lock, NULL, MUTEX_DRIVER, NULL); 1171 cv_init(&iport->iport_worker_cv, NULL, CV_DRIVER, NULL); 1172 rw_init(&iport->iport_lock, NULL, RW_DRIVER, NULL); 1173 sema_init(&iport->iport_rls_sema, 0, NULL, SEMA_DRIVER, NULL); 1174 1175 /* Remote port mgmt */ 1176 iport->iport_rp_slots = (fct_i_remote_port_t **)kmem_zalloc( 1177 port->port_max_logins * sizeof (fct_i_remote_port_t *), KM_SLEEP); 1178 iport->iport_rp_tb = kmem_zalloc(rportid_table_size * 1179 sizeof (fct_i_remote_port_t *), KM_SLEEP); 1180 1181 /* fct_cmds for SCSI traffic */ 1182 iport->iport_total_alloced_ncmds = 0; 1183 iport->iport_cached_ncmds = 0; 1184 port->port_fca_fcp_cmd_size = 1185 (port->port_fca_fcp_cmd_size + 7) & ~7; 1186 iport->iport_cached_cmdlist = NULL; 1187 mutex_init(&iport->iport_cached_cmd_lock, NULL, MUTEX_DRIVER, NULL); 1188 1189 /* Initialize cmd slots */ 1190 iport->iport_cmd_slots = (fct_cmd_slot_t *)kmem_zalloc( 1191 port->port_max_xchges * sizeof (fct_cmd_slot_t), KM_SLEEP); 1192 iport->iport_next_free_slot = 0; 1193 for (i = 0; i < port->port_max_xchges; ) { 1194 slot = &iport->iport_cmd_slots[i]; 1195 slot->slot_no = (uint16_t)i; 1196 slot->slot_next = (uint16_t)(++i); 1197 } 1198 slot->slot_next = FCT_SLOT_EOL; 1199 iport->iport_nslots_free = port->port_max_xchges; 1200 1201 iport->iport_task_green_limit = 1202 (port->port_max_xchges * FCT_TASK_GREEN_LIMIT) / 100; 1203 iport->iport_task_yellow_limit = 1204 (port->port_max_xchges * FCT_TASK_YELLOW_LIMIT) / 100; 1205 iport->iport_task_red_limit = 1206 (port->port_max_xchges * FCT_TASK_RED_LIMIT) / 100; 1207 1208 /* Start worker thread */ 1209 atomic_and_32(&iport->iport_flags, ~IPORT_TERMINATE_WORKER); 1210 (void) ddi_taskq_dispatch(iport->iport_worker_taskq, 1211 fct_port_worker, port, DDI_SLEEP); 1212 /* Wait for taskq to start */ 1213 while ((iport->iport_flags & IPORT_WORKER_RUNNING) == 0) { 1214 delay(1); 1215 } 1216 1217 lport = port->port_lport; 1218 lport->lport_id = (scsi_devid_desc_t *)iport->iport_id; 1219 lport->lport_alias = iport->iport_alias; 1220 lport->lport_pp = port->port_pp; 1221 port->port_fds->fds_ds->ds_alloc_data_buf = fct_alloc_dbuf; 1222 port->port_fds->fds_ds->ds_free_data_buf = fct_free_dbuf; 1223 port->port_fds->fds_ds->ds_setup_dbuf = fct_setup_dbuf; 1224 port->port_fds->fds_ds->ds_teardown_dbuf = fct_teardown_dbuf; 1225 lport->lport_ds = port->port_fds->fds_ds; 1226 lport->lport_xfer_data = fct_xfer_scsi_data; 1227 lport->lport_send_status = fct_send_scsi_status; 1228 lport->lport_task_free = fct_scsi_task_free; 1229 lport->lport_abort = fct_scsi_abort; 1230 lport->lport_ctl = fct_ctl; 1231 lport->lport_info = fct_info; 1232 lport->lport_event_handler = fct_event_handler; 1233 /* set up as alua participating port */ 1234 stmf_set_port_alua(lport); 1235 if (stmf_register_local_port(port->port_lport) != FCT_SUCCESS) { 1236 goto fct_regport_fail1; 1237 } 1238 (void) stmf_lport_add_event(lport, LPORT_EVENT_INITIAL_LUN_MAPPED); 1239 1240 mutex_enter(&fct_global_mutex); 1241 iport->iport_next = fct_iport_list; 1242 iport->iport_prev = NULL; 1243 if (iport->iport_next) 1244 iport->iport_next->iport_prev = iport; 1245 fct_iport_list = iport; 1246 mutex_exit(&fct_global_mutex); 1247 1248 fct_init_kstats(iport); 1249 1250 fct_log_local_port_event(port, ESC_SUNFC_PORT_ATTACH); 1251 1252 return (FCT_SUCCESS); 1253 1254 fct_regport_fail1:; 1255 /* Stop the taskq 1st */ 1256 if (iport->iport_flags & IPORT_WORKER_RUNNING) { 1257 atomic_or_32(&iport->iport_flags, IPORT_TERMINATE_WORKER); 1258 cv_broadcast(&iport->iport_worker_cv); 1259 while (iport->iport_flags & IPORT_WORKER_RUNNING) { 1260 delay(1); 1261 } 1262 } 1263 ddi_taskq_destroy(iport->iport_worker_taskq); 1264 if (iport->iport_rp_tb) { 1265 kmem_free(iport->iport_rp_tb, rportid_table_size * 1266 sizeof (fct_i_remote_port_t *)); 1267 } 1268 return (FCT_FAILURE); 1269 } 1270 1271 fct_status_t 1272 fct_deregister_local_port(fct_local_port_t *port) 1273 { 1274 fct_i_local_port_t *iport; 1275 fct_i_cmd_t *icmd, *next_icmd; 1276 int ndx; 1277 1278 iport = (fct_i_local_port_t *)port->port_fct_private; 1279 1280 if ((iport->iport_state != FCT_STATE_OFFLINE) || 1281 iport->iport_state_not_acked) { 1282 return (FCT_FAILURE); 1283 } 1284 1285 /* Stop the taskq 1st */ 1286 if (iport->iport_flags & IPORT_WORKER_RUNNING) { 1287 atomic_or_32(&iport->iport_flags, IPORT_TERMINATE_WORKER); 1288 cv_broadcast(&iport->iport_worker_cv); 1289 for (ndx = 0; ndx < 100; ndx++) { 1290 if ((iport->iport_flags & IPORT_WORKER_RUNNING) 1291 == 0) { 1292 break; 1293 } 1294 delay(drv_usectohz(10000)); 1295 } 1296 if (ndx == 100) { 1297 atomic_and_32(&iport->iport_flags, 1298 ~IPORT_TERMINATE_WORKER); 1299 return (FCT_WORKER_STUCK); 1300 } 1301 } 1302 1303 if (stmf_deregister_local_port(port->port_lport) != FCT_SUCCESS) { 1304 goto fct_deregport_fail1; 1305 } 1306 1307 mutex_enter(&fct_global_mutex); 1308 if (iport->iport_next) 1309 iport->iport_next->iport_prev = iport->iport_prev; 1310 if (iport->iport_prev) 1311 iport->iport_prev->iport_next = iport->iport_next; 1312 else 1313 fct_iport_list = iport->iport_next; 1314 mutex_exit(&fct_global_mutex); 1315 /* 1316 * At this time, there should be no outstanding and pending 1317 * I/Os, so we can just release resources. 1318 */ 1319 ASSERT(iport->iport_total_alloced_ncmds == iport->iport_cached_ncmds); 1320 for (icmd = iport->iport_cached_cmdlist; icmd; icmd = next_icmd) { 1321 next_icmd = icmd->icmd_next; 1322 fct_free(icmd->icmd_cmd); 1323 } 1324 mutex_destroy(&iport->iport_cached_cmd_lock); 1325 kmem_free(iport->iport_cmd_slots, port->port_max_xchges * 1326 sizeof (fct_cmd_slot_t)); 1327 kmem_free(iport->iport_rp_slots, port->port_max_logins * 1328 sizeof (fct_i_remote_port_t *)); 1329 rw_destroy(&iport->iport_lock); 1330 cv_destroy(&iport->iport_worker_cv); 1331 sema_destroy(&iport->iport_rls_sema); 1332 mutex_destroy(&iport->iport_worker_lock); 1333 ddi_taskq_destroy(iport->iport_worker_taskq); 1334 if (iport->iport_rp_tb) { 1335 kmem_free(iport->iport_rp_tb, rportid_table_size * 1336 sizeof (fct_i_remote_port_t *)); 1337 } 1338 1339 if (iport->iport_kstat_portstat) { 1340 kstat_delete(iport->iport_kstat_portstat); 1341 } 1342 1343 fct_log_local_port_event(port, ESC_SUNFC_PORT_DETACH); 1344 return (FCT_SUCCESS); 1345 1346 fct_deregport_fail1:; 1347 /* Restart the worker */ 1348 atomic_and_32(&iport->iport_flags, ~IPORT_TERMINATE_WORKER); 1349 (void) ddi_taskq_dispatch(iport->iport_worker_taskq, 1350 fct_port_worker, port, DDI_SLEEP); 1351 /* Wait for taskq to start */ 1352 while ((iport->iport_flags & IPORT_WORKER_RUNNING) == 0) { 1353 delay(1); 1354 } 1355 return (FCT_FAILURE); 1356 } 1357 1358 /* ARGSUSED */ 1359 void 1360 fct_handle_event(fct_local_port_t *port, int event_id, uint32_t event_flags, 1361 caddr_t arg) 1362 { 1363 char info[FCT_INFO_LEN]; 1364 fct_i_event_t *e; 1365 fct_i_local_port_t *iport = (fct_i_local_port_t *) 1366 port->port_fct_private; 1367 1368 e = kmem_zalloc(sizeof (fct_i_event_t), KM_NOSLEEP); 1369 1370 if (e == NULL) { 1371 /* 1372 * XXX Throw HBA fatal error event 1373 */ 1374 (void) snprintf(info, sizeof (info), 1375 "fct_handle_event: iport-%p, allocation " 1376 "of fct_i_event failed", (void *)iport); 1377 (void) fct_port_shutdown(iport->iport_port, 1378 STMF_RFLAG_FATAL_ERROR | STMF_RFLAG_RESET, info); 1379 return; 1380 } 1381 /* Just queue the event */ 1382 e->event_type = event_id; 1383 mutex_enter(&iport->iport_worker_lock); 1384 if (iport->iport_event_head == NULL) { 1385 iport->iport_event_head = iport->iport_event_tail = e; 1386 } else { 1387 iport->iport_event_tail->event_next = e; 1388 iport->iport_event_tail = e; 1389 } 1390 if (IS_WORKER_SLEEPING(iport)) 1391 cv_signal(&iport->iport_worker_cv); 1392 mutex_exit(&iport->iport_worker_lock); 1393 } 1394 1395 /* 1396 * Called with iport_lock held as reader. 1397 */ 1398 fct_i_remote_port_t * 1399 fct_portid_to_portptr(fct_i_local_port_t *iport, uint32_t portid) 1400 { 1401 fct_i_remote_port_t *irp; 1402 1403 irp = iport->iport_rp_tb[FCT_PORTID_HASH_FUNC(portid)]; 1404 for (; irp != NULL; irp = irp->irp_next) { 1405 if (irp->irp_portid == portid) 1406 return (irp); 1407 } 1408 1409 return (NULL); 1410 1411 } 1412 1413 /* 1414 * Called with irp_lock held as writer. 1415 */ 1416 void 1417 fct_queue_rp(fct_i_local_port_t *iport, fct_i_remote_port_t *irp) 1418 { 1419 int hash_key = 1420 FCT_PORTID_HASH_FUNC(irp->irp_portid); 1421 1422 irp->irp_next = iport->iport_rp_tb[hash_key]; 1423 iport->iport_rp_tb[hash_key] = irp; 1424 iport->iport_nrps++; 1425 } 1426 1427 /* 1428 * Called with irp_lock and iport_lock held as writer. 1429 */ 1430 void 1431 fct_deque_rp(fct_i_local_port_t *iport, fct_i_remote_port_t *irp) 1432 { 1433 fct_i_remote_port_t *irp_next = NULL; 1434 fct_i_remote_port_t *irp_last = NULL; 1435 int hash_key = 1436 FCT_PORTID_HASH_FUNC(irp->irp_portid); 1437 1438 irp_next = iport->iport_rp_tb[hash_key]; 1439 irp_last = NULL; 1440 while (irp_next != NULL) { 1441 if (irp == irp_next) { 1442 if (irp->irp_flags & IRP_PLOGI_DONE) { 1443 atomic_dec_32(&iport->iport_nrps_login); 1444 } 1445 atomic_and_32(&irp->irp_flags, 1446 ~(IRP_PLOGI_DONE | IRP_PRLI_DONE)); 1447 break; 1448 } 1449 irp_last = irp_next; 1450 irp_next = irp_next->irp_next; 1451 } 1452 1453 if (irp_next) { 1454 if (irp_last == NULL) { 1455 iport->iport_rp_tb[hash_key] = 1456 irp->irp_next; 1457 } else { 1458 irp_last->irp_next = irp->irp_next; 1459 } 1460 irp->irp_next = NULL; 1461 iport->iport_nrps--; 1462 } 1463 } 1464 1465 int 1466 fct_is_irp_logging_out(fct_i_remote_port_t *irp, int force_implicit) 1467 { 1468 int logging_out = 0; 1469 1470 rw_enter(&irp->irp_lock, RW_WRITER); 1471 if ((irp->irp_flags & IRP_IN_DISCOVERY_QUEUE) == 0) { 1472 logging_out = 0; 1473 goto ilo_done; 1474 } 1475 if ((irp->irp_els_list == NULL) && (irp->irp_deregister_timer)) { 1476 if (force_implicit && irp->irp_nonfcp_xchg_count) { 1477 logging_out = 0; 1478 } else { 1479 logging_out = 1; 1480 } 1481 goto ilo_done; 1482 } 1483 if (irp->irp_els_list) { 1484 fct_i_cmd_t *icmd; 1485 /* Last session affecting ELS should be a LOGO */ 1486 for (icmd = irp->irp_els_list; icmd; icmd = icmd->icmd_next) { 1487 uint8_t op = (ICMD_TO_ELS(icmd))->els_req_payload[0]; 1488 if (op == ELS_OP_LOGO) { 1489 if (force_implicit) { 1490 if (icmd->icmd_flags & ICMD_IMPLICIT) 1491 logging_out = 1; 1492 else 1493 logging_out = 0; 1494 } else { 1495 logging_out = 1; 1496 } 1497 } else if ((op == ELS_OP_PLOGI) || 1498 (op == ELS_OP_PRLI) || 1499 (op == ELS_OP_PRLO) || (op == ELS_OP_TPRLO)) { 1500 logging_out = 0; 1501 } 1502 } 1503 } 1504 ilo_done:; 1505 rw_exit(&irp->irp_lock); 1506 1507 return (logging_out); 1508 } 1509 1510 /* 1511 * The force_implicit flag enforces the implicit semantics which may be 1512 * needed if a received logout got stuck e.g. a response to a received 1513 * LOGO never came back from the FCA. 1514 */ 1515 int 1516 fct_implicitly_logo_all(fct_i_local_port_t *iport, int force_implicit) 1517 { 1518 fct_i_remote_port_t *irp = NULL; 1519 fct_cmd_t *cmd = NULL; 1520 int i = 0; 1521 int nports = 0; 1522 1523 if (!iport->iport_nrps) { 1524 return (nports); 1525 } 1526 1527 rw_enter(&iport->iport_lock, RW_WRITER); 1528 for (i = 0; i < rportid_table_size; i++) { 1529 irp = iport->iport_rp_tb[i]; 1530 while (irp) { 1531 if ((!(irp->irp_flags & IRP_PLOGI_DONE)) && 1532 (fct_is_irp_logging_out(irp, force_implicit))) { 1533 irp = irp->irp_next; 1534 continue; 1535 } 1536 1537 cmd = fct_create_solels(iport->iport_port, irp->irp_rp, 1538 1, ELS_OP_LOGO, 0, fct_logo_cb); 1539 if (cmd == NULL) { 1540 stmf_trace(iport->iport_alias, 1541 "fct_implictly_logo_all: cmd null"); 1542 rw_exit(&iport->iport_lock); 1543 1544 return (nports); 1545 } 1546 1547 fct_post_implicit_logo(cmd); 1548 nports++; 1549 irp = irp->irp_next; 1550 } 1551 } 1552 rw_exit(&iport->iport_lock); 1553 1554 return (nports); 1555 } 1556 1557 void 1558 fct_rehash(fct_i_local_port_t *iport) 1559 { 1560 fct_i_remote_port_t **iport_rp_tb_tmp; 1561 fct_i_remote_port_t **iport_rp_tb_new; 1562 fct_i_remote_port_t *irp; 1563 fct_i_remote_port_t *irp_next; 1564 int i; 1565 1566 iport_rp_tb_new = kmem_zalloc(rportid_table_size * 1567 sizeof (fct_i_remote_port_t *), KM_SLEEP); 1568 rw_enter(&iport->iport_lock, RW_WRITER); 1569 /* reconstruct the hash table */ 1570 iport_rp_tb_tmp = iport->iport_rp_tb; 1571 iport->iport_rp_tb = iport_rp_tb_new; 1572 iport->iport_nrps = 0; 1573 for (i = 0; i < rportid_table_size; i++) { 1574 irp = iport_rp_tb_tmp[i]; 1575 while (irp) { 1576 irp_next = irp->irp_next; 1577 fct_queue_rp(iport, irp); 1578 irp = irp_next; 1579 } 1580 } 1581 rw_exit(&iport->iport_lock); 1582 kmem_free(iport_rp_tb_tmp, rportid_table_size * 1583 sizeof (fct_i_remote_port_t *)); 1584 1585 } 1586 1587 uint8_t 1588 fct_local_port_cleanup_done(fct_i_local_port_t *iport) 1589 { 1590 fct_i_remote_port_t *irp; 1591 int i; 1592 1593 if (iport->iport_nrps_login) 1594 return (0); 1595 /* loop all rps to check if the cmd have already been drained */ 1596 for (i = 0; i < rportid_table_size; i++) { 1597 irp = iport->iport_rp_tb[i]; 1598 while (irp) { 1599 if (irp->irp_fcp_xchg_count || 1600 irp->irp_nonfcp_xchg_count) 1601 return (0); 1602 irp = irp->irp_next; 1603 } 1604 } 1605 return (1); 1606 } 1607 1608 fct_cmd_t * 1609 fct_scsi_task_alloc(fct_local_port_t *port, uint16_t rp_handle, 1610 uint32_t rportid, uint8_t *lun, uint16_t cdb_length, 1611 uint16_t task_ext) 1612 { 1613 fct_cmd_t *cmd; 1614 fct_i_cmd_t *icmd; 1615 fct_i_local_port_t *iport = 1616 (fct_i_local_port_t *)port->port_fct_private; 1617 fct_i_remote_port_t *irp; 1618 scsi_task_t *task; 1619 fct_remote_port_t *rp; 1620 uint16_t cmd_slot; 1621 1622 rw_enter(&iport->iport_lock, RW_READER); 1623 if ((iport->iport_link_state & S_LINK_ONLINE) == 0) { 1624 rw_exit(&iport->iport_lock); 1625 stmf_trace(iport->iport_alias, "cmd alloc called while the port" 1626 " was offline"); 1627 return (NULL); 1628 } 1629 1630 if (rp_handle == FCT_HANDLE_NONE) { 1631 irp = fct_portid_to_portptr(iport, rportid); 1632 if (irp == NULL) { 1633 rw_exit(&iport->iport_lock); 1634 stmf_trace(iport->iport_alias, "cmd received from " 1635 "non existent port %x", rportid); 1636 return (NULL); 1637 } 1638 } else { 1639 if ((rp_handle >= port->port_max_logins) || 1640 ((irp = iport->iport_rp_slots[rp_handle]) == NULL)) { 1641 rw_exit(&iport->iport_lock); 1642 stmf_trace(iport->iport_alias, "cmd received from " 1643 "invalid port handle %x", rp_handle); 1644 return (NULL); 1645 } 1646 } 1647 rp = irp->irp_rp; 1648 1649 rw_enter(&irp->irp_lock, RW_READER); 1650 if ((irp->irp_flags & IRP_PRLI_DONE) == 0) { 1651 rw_exit(&irp->irp_lock); 1652 rw_exit(&iport->iport_lock); 1653 stmf_trace(iport->iport_alias, "cmd alloc called while fcp " 1654 "login was not done. portid=%x, rp=%p", rp->rp_id, rp); 1655 return (NULL); 1656 } 1657 1658 mutex_enter(&iport->iport_cached_cmd_lock); 1659 if ((icmd = iport->iport_cached_cmdlist) != NULL) { 1660 iport->iport_cached_cmdlist = icmd->icmd_next; 1661 iport->iport_cached_ncmds--; 1662 cmd = icmd->icmd_cmd; 1663 } else { 1664 icmd = NULL; 1665 } 1666 mutex_exit(&iport->iport_cached_cmd_lock); 1667 if (icmd == NULL) { 1668 cmd = (fct_cmd_t *)fct_alloc(FCT_STRUCT_CMD_FCP_XCHG, 1669 port->port_fca_fcp_cmd_size, 0); 1670 if (cmd == NULL) { 1671 rw_exit(&irp->irp_lock); 1672 rw_exit(&iport->iport_lock); 1673 stmf_trace(iport->iport_alias, "Ran out of " 1674 "memory, port=%p", port); 1675 return (NULL); 1676 } 1677 1678 icmd = (fct_i_cmd_t *)cmd->cmd_fct_private; 1679 icmd->icmd_next = NULL; 1680 cmd->cmd_port = port; 1681 atomic_inc_32(&iport->iport_total_alloced_ncmds); 1682 } 1683 1684 /* 1685 * The accuracy of iport_max_active_ncmds is not important 1686 */ 1687 if ((iport->iport_total_alloced_ncmds - iport->iport_cached_ncmds) > 1688 iport->iport_max_active_ncmds) { 1689 iport->iport_max_active_ncmds = 1690 iport->iport_total_alloced_ncmds - 1691 iport->iport_cached_ncmds; 1692 } 1693 1694 /* Lets get a slot */ 1695 cmd_slot = fct_alloc_cmd_slot(iport, cmd); 1696 if (cmd_slot == FCT_SLOT_EOL) { 1697 rw_exit(&irp->irp_lock); 1698 rw_exit(&iport->iport_lock); 1699 stmf_trace(iport->iport_alias, "Ran out of xchg resources"); 1700 cmd->cmd_handle = 0; 1701 fct_cmd_free(cmd); 1702 return (NULL); 1703 } 1704 atomic_inc_16(&irp->irp_fcp_xchg_count); 1705 cmd->cmd_rp = rp; 1706 icmd->icmd_flags |= ICMD_IN_TRANSITION | ICMD_KNOWN_TO_FCA; 1707 rw_exit(&irp->irp_lock); 1708 rw_exit(&iport->iport_lock); 1709 1710 icmd->icmd_start_time = ddi_get_lbolt(); 1711 1712 cmd->cmd_specific = stmf_task_alloc(port->port_lport, irp->irp_session, 1713 lun, cdb_length, task_ext); 1714 if ((task = (scsi_task_t *)cmd->cmd_specific) != NULL) { 1715 task->task_port_private = cmd; 1716 return (cmd); 1717 } 1718 1719 fct_cmd_free(cmd); 1720 1721 return (NULL); 1722 } 1723 1724 void 1725 fct_scsi_task_free(scsi_task_t *task) 1726 { 1727 fct_cmd_t *cmd = (fct_cmd_t *)task->task_port_private; 1728 1729 cmd->cmd_comp_status = task->task_completion_status; 1730 fct_cmd_free(cmd); 1731 } 1732 1733 void 1734 fct_post_rcvd_cmd(fct_cmd_t *cmd, stmf_data_buf_t *dbuf) 1735 { 1736 fct_dbuf_store_t *fds; 1737 1738 if (cmd->cmd_type == FCT_CMD_FCP_XCHG) { 1739 fct_i_cmd_t *icmd = (fct_i_cmd_t *)cmd->cmd_fct_private; 1740 fct_i_local_port_t *iport = 1741 (fct_i_local_port_t *)cmd->cmd_port->port_fct_private; 1742 fct_i_remote_port_t *irp = 1743 (fct_i_remote_port_t *)cmd->cmd_rp->rp_fct_private; 1744 scsi_task_t *task = (scsi_task_t *)cmd->cmd_specific; 1745 1746 uint16_t irp_task = irp->irp_fcp_xchg_count; 1747 uint32_t load = iport->iport_total_alloced_ncmds - 1748 iport->iport_cached_ncmds; 1749 1750 DTRACE_FC_4(scsi__command, 1751 fct_cmd_t, cmd, 1752 fct_i_local_port_t, iport, 1753 scsi_task_t, task, 1754 fct_i_remote_port_t, irp); 1755 1756 if (load >= iport->iport_task_green_limit) { 1757 if ((load < iport->iport_task_yellow_limit && 1758 irp_task >= 4) || 1759 (load >= iport->iport_task_yellow_limit && 1760 load < iport->iport_task_red_limit && 1761 irp_task >= 1) || 1762 (load >= iport->iport_task_red_limit)) 1763 task->task_additional_flags |= 1764 TASK_AF_PORT_LOAD_HIGH; 1765 } 1766 /* 1767 * If the target driver accepts sglists, fill in task fields. 1768 */ 1769 fds = cmd->cmd_port->port_fds; 1770 if (fds->fds_setup_dbuf != NULL) { 1771 task->task_additional_flags |= TASK_AF_ACCEPT_LU_DBUF; 1772 task->task_copy_threshold = fds->fds_copy_threshold; 1773 task->task_max_xfer_len = fds->fds_max_sgl_xfer_len; 1774 /* 1775 * A single stream load encounters a little extra 1776 * latency if large xfers are done in 1 chunk. 1777 * Give a hint to the LU that starting the xfer 1778 * with a smaller chunk would be better in this case. 1779 * For any other load, use maximum chunk size. 1780 */ 1781 if (load == 1) { 1782 /* estimate */ 1783 task->task_1st_xfer_len = 128*1024; 1784 } else { 1785 /* zero means no hint */ 1786 task->task_1st_xfer_len = 0; 1787 } 1788 } 1789 1790 stmf_post_task((scsi_task_t *)cmd->cmd_specific, dbuf); 1791 atomic_and_32(&icmd->icmd_flags, ~ICMD_IN_TRANSITION); 1792 return; 1793 } 1794 /* We dont need dbuf for other cmds */ 1795 if (dbuf) { 1796 cmd->cmd_port->port_fds->fds_free_data_buf( 1797 cmd->cmd_port->port_fds, dbuf); 1798 dbuf = NULL; 1799 } 1800 if (cmd->cmd_type == FCT_CMD_RCVD_ELS) { 1801 fct_handle_els(cmd); 1802 return; 1803 } 1804 if (cmd->cmd_type == FCT_CMD_RCVD_ABTS) { 1805 fct_handle_rcvd_abts(cmd); 1806 return; 1807 } 1808 1809 ASSERT(0); 1810 } 1811 1812 /* 1813 * This function bypasses fct_handle_els() 1814 */ 1815 void 1816 fct_post_implicit_logo(fct_cmd_t *cmd) 1817 { 1818 fct_local_port_t *port = cmd->cmd_port; 1819 fct_i_local_port_t *iport = 1820 (fct_i_local_port_t *)port->port_fct_private; 1821 fct_i_cmd_t *icmd = (fct_i_cmd_t *)cmd->cmd_fct_private; 1822 fct_remote_port_t *rp = cmd->cmd_rp; 1823 fct_i_remote_port_t *irp = (fct_i_remote_port_t *)rp->rp_fct_private; 1824 1825 icmd->icmd_start_time = ddi_get_lbolt(); 1826 1827 rw_enter(&irp->irp_lock, RW_WRITER); 1828 atomic_or_32(&icmd->icmd_flags, ICMD_IMPLICIT_CMD_HAS_RESOURCE); 1829 atomic_inc_16(&irp->irp_nonfcp_xchg_count); 1830 atomic_inc_16(&irp->irp_sa_elses_count); 1831 /* 1832 * An implicit LOGO can also be posted to a irp where a PLOGI might 1833 * be in process. That PLOGI will reset this flag and decrement the 1834 * iport_nrps_login counter. 1835 */ 1836 if (irp->irp_flags & IRP_PLOGI_DONE) { 1837 atomic_dec_32(&iport->iport_nrps_login); 1838 } 1839 atomic_and_32(&irp->irp_flags, ~(IRP_PLOGI_DONE | IRP_PRLI_DONE)); 1840 atomic_or_32(&icmd->icmd_flags, ICMD_SESSION_AFFECTING); 1841 fct_post_to_discovery_queue(iport, irp, icmd); 1842 rw_exit(&irp->irp_lock); 1843 } 1844 1845 /* 1846 * called with iport_lock held, return the slot number 1847 */ 1848 uint16_t 1849 fct_alloc_cmd_slot(fct_i_local_port_t *iport, fct_cmd_t *cmd) 1850 { 1851 uint16_t cmd_slot; 1852 uint32_t old, new; 1853 fct_i_cmd_t *icmd = (fct_i_cmd_t *)cmd->cmd_fct_private; 1854 1855 do { 1856 old = iport->iport_next_free_slot; 1857 cmd_slot = old & 0xFFFF; 1858 if (cmd_slot == FCT_SLOT_EOL) 1859 return (cmd_slot); 1860 /* 1861 * We use high order 16 bits as a counter which keeps on 1862 * incrementing to avoid ABA issues with atomic lists. 1863 */ 1864 new = ((old + (0x10000)) & 0xFFFF0000); 1865 new |= iport->iport_cmd_slots[cmd_slot].slot_next; 1866 } while (atomic_cas_32(&iport->iport_next_free_slot, old, new) != old); 1867 1868 atomic_dec_16(&iport->iport_nslots_free); 1869 iport->iport_cmd_slots[cmd_slot].slot_cmd = icmd; 1870 cmd->cmd_handle = (uint32_t)cmd_slot | 0x80000000 | 1871 (((uint32_t)(iport->iport_cmd_slots[cmd_slot].slot_uniq_cntr)) 1872 << 24); 1873 return (cmd_slot); 1874 } 1875 1876 /* 1877 * If icmd is not NULL, irp_lock must be held 1878 */ 1879 void 1880 fct_post_to_discovery_queue(fct_i_local_port_t *iport, 1881 fct_i_remote_port_t *irp, fct_i_cmd_t *icmd) 1882 { 1883 fct_i_cmd_t **p; 1884 1885 ASSERT(!MUTEX_HELD(&iport->iport_worker_lock)); 1886 if (icmd) { 1887 icmd->icmd_next = NULL; 1888 for (p = &irp->irp_els_list; *p != NULL; 1889 p = &((*p)->icmd_next)) 1890 ; 1891 1892 *p = icmd; 1893 atomic_or_32(&icmd->icmd_flags, ICMD_IN_IRP_QUEUE); 1894 } 1895 1896 mutex_enter(&iport->iport_worker_lock); 1897 if ((irp->irp_flags & IRP_IN_DISCOVERY_QUEUE) == 0) { 1898 1899 /* 1900 * CAUTION: do not grab local_port/remote_port locks after 1901 * grabbing the worker lock. 1902 */ 1903 irp->irp_discovery_next = NULL; 1904 if (iport->iport_rpwe_tail) { 1905 iport->iport_rpwe_tail->irp_discovery_next = irp; 1906 iport->iport_rpwe_tail = irp; 1907 } else { 1908 iport->iport_rpwe_head = iport->iport_rpwe_tail = irp; 1909 } 1910 1911 atomic_or_32(&irp->irp_flags, IRP_IN_DISCOVERY_QUEUE); 1912 } 1913 1914 /* 1915 * We need always signal the port worker irrespective of the fact that 1916 * irp is already in discovery queue or not. 1917 */ 1918 if (IS_WORKER_SLEEPING(iport)) { 1919 cv_signal(&iport->iport_worker_cv); 1920 } 1921 mutex_exit(&iport->iport_worker_lock); 1922 } 1923 1924 stmf_status_t 1925 fct_xfer_scsi_data(scsi_task_t *task, stmf_data_buf_t *dbuf, uint32_t ioflags) 1926 { 1927 fct_cmd_t *cmd = (fct_cmd_t *)task->task_port_private; 1928 1929 DTRACE_FC_5(xfer__start, 1930 fct_cmd_t, cmd, 1931 fct_i_local_port_t, cmd->cmd_port->port_fct_private, 1932 scsi_task_t, task, 1933 fct_i_remote_port_t, cmd->cmd_rp->rp_fct_private, 1934 stmf_data_buf_t, dbuf); 1935 1936 return (cmd->cmd_port->port_xfer_scsi_data(cmd, dbuf, ioflags)); 1937 } 1938 1939 void 1940 fct_scsi_data_xfer_done(fct_cmd_t *cmd, stmf_data_buf_t *dbuf, uint32_t ioflags) 1941 { 1942 fct_i_cmd_t *icmd = (fct_i_cmd_t *)cmd->cmd_fct_private; 1943 uint32_t old, new; 1944 uint32_t iof = 0; 1945 1946 DTRACE_FC_5(xfer__done, 1947 fct_cmd_t, cmd, 1948 fct_i_local_port_t, cmd->cmd_port->port_fct_private, 1949 scsi_task_t, ((scsi_task_t *)cmd->cmd_specific), 1950 fct_i_remote_port_t, cmd->cmd_rp->rp_fct_private, 1951 stmf_data_buf_t, dbuf); 1952 1953 if (ioflags & FCT_IOF_FCA_DONE) { 1954 do { 1955 old = new = icmd->icmd_flags; 1956 if (old & ICMD_BEING_ABORTED) { 1957 return; 1958 } 1959 new &= ~ICMD_KNOWN_TO_FCA; 1960 } while (atomic_cas_32(&icmd->icmd_flags, old, new) != old); 1961 iof = STMF_IOF_LPORT_DONE; 1962 cmd->cmd_comp_status = dbuf->db_xfer_status; 1963 } 1964 1965 if (icmd->icmd_flags & ICMD_BEING_ABORTED) 1966 return; 1967 stmf_data_xfer_done((scsi_task_t *)cmd->cmd_specific, dbuf, iof); 1968 } 1969 1970 stmf_status_t 1971 fct_send_scsi_status(scsi_task_t *task, uint32_t ioflags) 1972 { 1973 fct_cmd_t *cmd = (fct_cmd_t *)task->task_port_private; 1974 1975 DTRACE_FC_4(scsi__response, 1976 fct_cmd_t, cmd, 1977 fct_i_local_port_t, 1978 (fct_i_local_port_t *)cmd->cmd_port->port_fct_private, 1979 scsi_task_t, task, 1980 fct_i_remote_port_t, 1981 (fct_i_remote_port_t *)cmd->cmd_rp->rp_fct_private); 1982 1983 return (cmd->cmd_port->port_send_cmd_response(cmd, ioflags)); 1984 } 1985 1986 void 1987 fct_send_response_done(fct_cmd_t *cmd, fct_status_t s, uint32_t ioflags) 1988 { 1989 fct_i_cmd_t *icmd = (fct_i_cmd_t *)cmd->cmd_fct_private; 1990 fct_local_port_t *port = cmd->cmd_port; 1991 fct_i_local_port_t *iport = (fct_i_local_port_t *) 1992 port->port_fct_private; 1993 uint32_t old, new; 1994 1995 if ((ioflags & FCT_IOF_FCA_DONE) == 0) { 1996 /* Until we support confirmed completions, this is an error */ 1997 fct_queue_cmd_for_termination(cmd, s); 1998 return; 1999 } 2000 do { 2001 old = new = icmd->icmd_flags; 2002 if (old & ICMD_BEING_ABORTED) { 2003 return; 2004 } 2005 new &= ~ICMD_KNOWN_TO_FCA; 2006 } while (atomic_cas_32(&icmd->icmd_flags, old, new) != old); 2007 2008 cmd->cmd_comp_status = s; 2009 if (cmd->cmd_type == FCT_CMD_FCP_XCHG) { 2010 stmf_send_status_done((scsi_task_t *)cmd->cmd_specific, s, 2011 STMF_IOF_LPORT_DONE); 2012 return; 2013 } 2014 2015 if (cmd->cmd_type == FCT_CMD_RCVD_ELS) { 2016 fct_cmd_free(cmd); 2017 return; 2018 } else if (cmd->cmd_type == FCT_CMD_SOL_ELS) { 2019 fct_handle_sol_els_completion(iport, icmd); 2020 } else if (cmd->cmd_type == FCT_CMD_SOL_CT) { 2021 /* Tell the caller that we are done */ 2022 atomic_or_32(&icmd->icmd_flags, ICMD_CMD_COMPLETE); 2023 } else { 2024 ASSERT(0); 2025 } 2026 } 2027 2028 void 2029 fct_cmd_free(fct_cmd_t *cmd) 2030 { 2031 char info[FCT_INFO_LEN]; 2032 fct_i_cmd_t *icmd = (fct_i_cmd_t *)cmd->cmd_fct_private; 2033 fct_local_port_t *port = cmd->cmd_port; 2034 fct_i_local_port_t *iport = (fct_i_local_port_t *) 2035 port->port_fct_private; 2036 fct_i_remote_port_t *irp = NULL; 2037 int do_abts_acc = 0; 2038 uint32_t old, new; 2039 2040 ASSERT(!mutex_owned(&iport->iport_worker_lock)); 2041 /* Give the slot back */ 2042 if (CMD_HANDLE_VALID(cmd->cmd_handle)) { 2043 uint16_t n = CMD_HANDLE_SLOT_INDEX(cmd->cmd_handle); 2044 fct_cmd_slot_t *slot; 2045 2046 /* 2047 * If anything went wrong, grab the lock as writer. This is 2048 * probably unnecessary. 2049 */ 2050 if ((cmd->cmd_comp_status != FCT_SUCCESS) || 2051 (icmd->icmd_flags & ICMD_ABTS_RECEIVED)) { 2052 rw_enter(&iport->iport_lock, RW_WRITER); 2053 } else { 2054 rw_enter(&iport->iport_lock, RW_READER); 2055 } 2056 2057 if ((icmd->icmd_flags & ICMD_ABTS_RECEIVED) && 2058 (cmd->cmd_link != NULL)) { 2059 do_abts_acc = 1; 2060 } 2061 2062 /* XXX Validate slot before freeing */ 2063 2064 slot = &iport->iport_cmd_slots[n]; 2065 slot->slot_uniq_cntr++; 2066 slot->slot_cmd = NULL; 2067 do { 2068 old = iport->iport_next_free_slot; 2069 slot->slot_next = old & 0xFFFF; 2070 new = (old + 0x10000) & 0xFFFF0000; 2071 new |= slot->slot_no; 2072 } while (atomic_cas_32(&iport->iport_next_free_slot, 2073 old, new) != old); 2074 cmd->cmd_handle = 0; 2075 atomic_inc_16(&iport->iport_nslots_free); 2076 if (cmd->cmd_rp) { 2077 irp = (fct_i_remote_port_t *) 2078 cmd->cmd_rp->rp_fct_private; 2079 if (cmd->cmd_type == FCT_CMD_FCP_XCHG) 2080 atomic_dec_16(&irp->irp_fcp_xchg_count); 2081 else 2082 atomic_dec_16(&irp->irp_nonfcp_xchg_count); 2083 } 2084 rw_exit(&iport->iport_lock); 2085 } else if ((icmd->icmd_flags & ICMD_IMPLICIT) && 2086 (icmd->icmd_flags & ICMD_IMPLICIT_CMD_HAS_RESOURCE)) { 2087 /* for implicit cmd, no cmd slot is used */ 2088 if (cmd->cmd_rp) { 2089 irp = (fct_i_remote_port_t *) 2090 cmd->cmd_rp->rp_fct_private; 2091 if (cmd->cmd_type == FCT_CMD_FCP_XCHG) 2092 atomic_dec_16(&irp->irp_fcp_xchg_count); 2093 else 2094 atomic_dec_16(&irp->irp_nonfcp_xchg_count); 2095 } 2096 } 2097 2098 if (do_abts_acc) { 2099 fct_cmd_t *lcmd = cmd->cmd_link; 2100 fct_fill_abts_acc(lcmd); 2101 if (port->port_send_cmd_response(lcmd, 2102 FCT_IOF_FORCE_FCA_DONE) != FCT_SUCCESS) { 2103 /* 2104 * XXX Throw HBA fatal error event 2105 * Later shutdown svc will terminate the ABTS in the end 2106 */ 2107 (void) snprintf(info, sizeof (info), 2108 "fct_cmd_free: iport-%p, ABTS_ACC" 2109 " port_send_cmd_response failed", (void *)iport); 2110 (void) fct_port_shutdown(iport->iport_port, 2111 STMF_RFLAG_FATAL_ERROR | STMF_RFLAG_RESET, info); 2112 return; 2113 } else { 2114 fct_cmd_free(lcmd); 2115 cmd->cmd_link = NULL; 2116 } 2117 } 2118 2119 /* Free the cmd */ 2120 if (cmd->cmd_type == FCT_CMD_FCP_XCHG) { 2121 if (iport->iport_cached_ncmds < max_cached_ncmds) { 2122 icmd->icmd_flags = 0; 2123 mutex_enter(&iport->iport_cached_cmd_lock); 2124 icmd->icmd_next = iport->iport_cached_cmdlist; 2125 iport->iport_cached_cmdlist = icmd; 2126 iport->iport_cached_ncmds++; 2127 mutex_exit(&iport->iport_cached_cmd_lock); 2128 } else { 2129 atomic_dec_32(&iport->iport_total_alloced_ncmds); 2130 fct_free(cmd); 2131 } 2132 } else { 2133 fct_free(cmd); 2134 } 2135 } 2136 2137 /* ARGSUSED */ 2138 stmf_status_t 2139 fct_scsi_abort(stmf_local_port_t *lport, int abort_cmd, void *arg, 2140 uint32_t flags) 2141 { 2142 stmf_status_t ret = STMF_SUCCESS; 2143 scsi_task_t *task; 2144 fct_cmd_t *cmd; 2145 fct_i_cmd_t *icmd; 2146 fct_local_port_t *port; 2147 uint32_t old, new; 2148 2149 ASSERT(abort_cmd == STMF_LPORT_ABORT_TASK); 2150 2151 task = (scsi_task_t *)arg; 2152 cmd = (fct_cmd_t *)task->task_port_private; 2153 icmd = (fct_i_cmd_t *)cmd->cmd_fct_private; 2154 port = (fct_local_port_t *)lport->lport_port_private; 2155 2156 do { 2157 old = new = icmd->icmd_flags; 2158 if ((old & ICMD_KNOWN_TO_FCA) == 0) 2159 return (STMF_NOT_FOUND); 2160 ASSERT((old & ICMD_FCA_ABORT_CALLED) == 0); 2161 new |= ICMD_BEING_ABORTED | ICMD_FCA_ABORT_CALLED; 2162 } while (atomic_cas_32(&icmd->icmd_flags, old, new) != old); 2163 ret = port->port_abort_cmd(port, cmd, 0); 2164 if ((ret == FCT_NOT_FOUND) || (ret == FCT_ABORT_SUCCESS)) { 2165 atomic_and_32(&icmd->icmd_flags, ~ICMD_KNOWN_TO_FCA); 2166 } else if (ret == FCT_BUSY) { 2167 atomic_and_32(&icmd->icmd_flags, ~ICMD_FCA_ABORT_CALLED); 2168 } 2169 2170 return (ret); 2171 } 2172 2173 void 2174 fct_ctl(struct stmf_local_port *lport, int cmd, void *arg) 2175 { 2176 fct_local_port_t *port; 2177 fct_i_local_port_t *iport; 2178 stmf_change_status_t st; 2179 stmf_change_status_t *pst; 2180 2181 ASSERT((cmd == STMF_CMD_LPORT_ONLINE) || 2182 (cmd == STMF_ACK_LPORT_ONLINE_COMPLETE) || 2183 (cmd == STMF_CMD_LPORT_OFFLINE) || 2184 (cmd == STMF_ACK_LPORT_OFFLINE_COMPLETE) || 2185 (cmd == FCT_CMD_PORT_ONLINE_COMPLETE) || 2186 (cmd == FCT_CMD_PORT_OFFLINE_COMPLETE)); 2187 2188 port = (fct_local_port_t *)lport->lport_port_private; 2189 pst = (stmf_change_status_t *)arg; 2190 st.st_completion_status = STMF_SUCCESS; 2191 st.st_additional_info = NULL; 2192 2193 iport = (fct_i_local_port_t *)port->port_fct_private; 2194 /* 2195 * We are mostly a passthrough, except during offline. 2196 */ 2197 switch (cmd) { 2198 case STMF_CMD_LPORT_ONLINE: 2199 if (iport->iport_state == FCT_STATE_ONLINE) 2200 st.st_completion_status = STMF_ALREADY; 2201 else if (iport->iport_state != FCT_STATE_OFFLINE) 2202 st.st_completion_status = STMF_INVALID_ARG; 2203 if (st.st_completion_status != STMF_SUCCESS) { 2204 (void) stmf_ctl(STMF_CMD_LPORT_ONLINE_COMPLETE, lport, 2205 &st); 2206 break; 2207 } 2208 iport->iport_state_not_acked = 1; 2209 iport->iport_state = FCT_STATE_ONLINING; 2210 port->port_ctl(port, FCT_CMD_PORT_ONLINE, arg); 2211 break; 2212 case FCT_CMD_PORT_ONLINE_COMPLETE: 2213 ASSERT(iport->iport_state == FCT_STATE_ONLINING); 2214 if (pst->st_completion_status != FCT_SUCCESS) { 2215 iport->iport_state = FCT_STATE_OFFLINE; 2216 iport->iport_state_not_acked = 0; 2217 } else { 2218 iport->iport_state = FCT_STATE_ONLINE; 2219 } 2220 (void) stmf_ctl(STMF_CMD_LPORT_ONLINE_COMPLETE, lport, arg); 2221 break; 2222 case STMF_ACK_LPORT_ONLINE_COMPLETE: 2223 ASSERT(iport->iport_state == FCT_STATE_ONLINE); 2224 iport->iport_state_not_acked = 0; 2225 port->port_ctl(port, FCT_ACK_PORT_ONLINE_COMPLETE, arg); 2226 break; 2227 2228 case STMF_CMD_LPORT_OFFLINE: 2229 if (iport->iport_state == FCT_STATE_OFFLINE) 2230 st.st_completion_status = STMF_ALREADY; 2231 else if (iport->iport_state != FCT_STATE_ONLINE) 2232 st.st_completion_status = STMF_INVALID_ARG; 2233 if (st.st_completion_status != STMF_SUCCESS) { 2234 (void) stmf_ctl(STMF_CMD_LPORT_OFFLINE_COMPLETE, lport, 2235 &st); 2236 break; 2237 } 2238 iport->iport_state_not_acked = 1; 2239 iport->iport_state = FCT_STATE_OFFLINING; 2240 port->port_ctl(port, FCT_CMD_PORT_OFFLINE, arg); 2241 break; 2242 case FCT_CMD_PORT_OFFLINE_COMPLETE: 2243 ASSERT(iport->iport_state == FCT_STATE_OFFLINING); 2244 if (pst->st_completion_status != FCT_SUCCESS) { 2245 iport->iport_state = FCT_STATE_ONLINE; 2246 iport->iport_state_not_acked = 0; 2247 (void) stmf_ctl(STMF_CMD_LPORT_OFFLINE_COMPLETE, lport, 2248 pst); 2249 break; 2250 } 2251 2252 /* 2253 * If FCA's offline was successful, we dont tell stmf yet. 2254 * Becasue now we have to do the cleanup before we go upto 2255 * stmf. That cleanup is done by the worker thread. 2256 */ 2257 2258 /* FCA is offline, post a link down, its harmless anyway */ 2259 fct_handle_event(port, FCT_EVENT_LINK_DOWN, 0, 0); 2260 2261 /* Trigger port offline processing by the worker */ 2262 iport->iport_offline_prstate = FCT_OPR_START; 2263 break; 2264 case STMF_ACK_LPORT_OFFLINE_COMPLETE: 2265 ASSERT(iport->iport_state == FCT_STATE_OFFLINE); 2266 iport->iport_state_not_acked = 0; 2267 port->port_ctl(port, FCT_ACK_PORT_OFFLINE_COMPLETE, arg); 2268 break; 2269 } 2270 } 2271 2272 /* ARGSUSED */ 2273 stmf_status_t 2274 fct_info(uint32_t cmd, stmf_local_port_t *lport, void *arg, uint8_t *buf, 2275 uint32_t *bufsizep) 2276 { 2277 return (STMF_NOT_SUPPORTED); 2278 } 2279 2280 /* 2281 * implicit: if it's true, it means it will only be used in fct module, or else 2282 * it will be sent to the link. 2283 */ 2284 fct_cmd_t * 2285 fct_create_solels(fct_local_port_t *port, fct_remote_port_t *rp, int implicit, 2286 uchar_t elsop, uint32_t wkdid, fct_icmd_cb_t icmdcb) 2287 { 2288 fct_cmd_t *cmd = NULL; 2289 fct_i_cmd_t *icmd = NULL; 2290 fct_els_t *els = NULL; 2291 fct_i_remote_port_t *irp = NULL; 2292 uint8_t *p = NULL; 2293 uint32_t ptid = 0; 2294 2295 cmd = (fct_cmd_t *)fct_alloc(FCT_STRUCT_CMD_SOL_ELS, 2296 port->port_fca_sol_els_private_size, 0); 2297 if (!cmd) { 2298 return (NULL); 2299 } 2300 2301 if (rp) { 2302 irp = RP_TO_IRP(rp); 2303 } else if (((irp = fct_portid_to_portptr(PORT_TO_IPORT(port), 2304 wkdid)) == NULL) && (elsop != ELS_OP_PLOGI)) { 2305 stmf_trace(PORT_TO_IPORT(port)->iport_alias, 2306 "fct_create_solels: Must PLOGI to %x first", wkdid); 2307 fct_free(cmd); 2308 return (NULL); 2309 } 2310 2311 cmd->cmd_port = port; 2312 cmd->cmd_oxid = PTR2INT(cmd, uint16_t); 2313 cmd->cmd_rxid = 0xFFFF; 2314 cmd->cmd_handle = 0; 2315 icmd = CMD_TO_ICMD(cmd); 2316 els = ICMD_TO_ELS(icmd); 2317 icmd->icmd_cb = icmdcb; 2318 if (irp) { 2319 cmd->cmd_rp = irp->irp_rp; 2320 cmd->cmd_rp_handle = irp->irp_rp->rp_handle; 2321 cmd->cmd_rportid = irp->irp_rp->rp_id; 2322 } else { 2323 cmd->cmd_rp_handle = FCT_HANDLE_NONE; 2324 cmd->cmd_rportid = wkdid; 2325 } 2326 cmd->cmd_lportid = (PORT_TO_IPORT(port))->iport_link_info.portid; 2327 2328 if (implicit) { 2329 /* 2330 * Since we will not send it to FCA, so we only allocate space 2331 */ 2332 ASSERT(elsop & (ELS_OP_LOGO | ELS_OP_PLOGI)); 2333 icmd->icmd_flags |= ICMD_IMPLICIT; 2334 if (elsop == ELS_OP_LOGO) { 2335 /* 2336 * Handling implicit LOGO should dependent on as less 2337 * as resources. So a trick here. 2338 */ 2339 els->els_req_size = 1; 2340 els->els_req_payload = cmd->cmd_fca_private; 2341 } else { 2342 els->els_req_alloc_size = els->els_req_size = 116; 2343 els->els_resp_alloc_size = els->els_resp_size = 116; 2344 els->els_req_payload = (uint8_t *) 2345 kmem_zalloc(els->els_req_size, KM_SLEEP); 2346 els->els_resp_payload = (uint8_t *) 2347 kmem_zalloc(els->els_resp_size, KM_SLEEP); 2348 } 2349 } else { 2350 /* 2351 * Allocate space for its request and response 2352 * Fill the request payload according to spec. 2353 */ 2354 switch (elsop) { 2355 case ELS_OP_LOGO: 2356 els->els_resp_alloc_size = els->els_resp_size = 4; 2357 els->els_resp_payload = (uint8_t *)kmem_zalloc( 2358 els->els_resp_size, KM_SLEEP); 2359 els->els_req_alloc_size = els->els_req_size = 16; 2360 els->els_req_payload = (uint8_t *)kmem_zalloc( 2361 els->els_req_size, KM_SLEEP); 2362 ptid = PORT_TO_IPORT(port)->iport_link_info.portid; 2363 fct_value_to_netbuf(ptid, els->els_req_payload + 5, 3); 2364 bcopy(port->port_pwwn, els->els_req_payload + 8, 8); 2365 break; 2366 2367 case ELS_OP_RSCN: 2368 els->els_resp_alloc_size = els->els_resp_size = 4; 2369 els->els_resp_payload = (uint8_t *)kmem_zalloc( 2370 els->els_resp_size, KM_SLEEP); 2371 els->els_req_size = els->els_req_alloc_size = 8; 2372 els->els_req_payload = (uint8_t *)kmem_zalloc( 2373 els->els_req_size, KM_SLEEP); 2374 els->els_req_payload[1] = 0x04; 2375 els->els_req_payload[3] = 0x08; 2376 els->els_req_payload[4] |= 0x80; 2377 ptid = PORT_TO_IPORT(port)->iport_link_info.portid; 2378 fct_value_to_netbuf(ptid, els->els_req_payload + 5, 3); 2379 break; 2380 2381 case ELS_OP_PLOGI: 2382 els->els_resp_alloc_size = els->els_resp_size = 116; 2383 els->els_resp_payload = (uint8_t *) 2384 kmem_zalloc(els->els_resp_size, KM_SLEEP); 2385 els->els_req_alloc_size = els->els_req_size = 116; 2386 p = els->els_req_payload = (uint8_t *) 2387 kmem_zalloc(els->els_req_size, KM_SLEEP); 2388 bcopy(port->port_pwwn, p + 20, 8); 2389 bcopy(port->port_nwwn, p + 28, 8); 2390 2391 /* 2392 * Common service parameters 2393 */ 2394 p[0x04] = 0x09; /* high version */ 2395 p[0x05] = 0x08; /* low version */ 2396 p[0x06] = 0x00; /* BB credit: 0x0065 */ 2397 p[0x07] = 0x65; 2398 2399 /* CI0: Continuously Increasing Offset - 1 */ 2400 /* RRO: Randomly Relative Offset - 0 */ 2401 /* VVV: Vendor Version Level - 0 */ 2402 /* N-F: N or F Port Payload Sender - 0 (N) */ 2403 /* BBM: BB Credit Management - 0 (Normal) */ 2404 p[0x08] = 0x80; 2405 p[0x09] = 0x00; 2406 2407 /* Max RX size */ 2408 p[0x0A] = 0x08; 2409 p[0x0B] = 0x00; 2410 2411 /* NPTCS: N Port Total Concurrent Sequences - 0x0000 */ 2412 p[0x0C] = 0x00; 2413 p[0x0D] = 0x00; 2414 2415 /* ROIC: Relative Offset By Info - 0xFFFF */ 2416 p[0x0E] = 0xFF; 2417 p[0x0F] = 0xFF; 2418 2419 /* EDTOV: Error Detect Timeout - 0x000007D0 */ 2420 p[0x10] = 0x00; 2421 p[0x11] = 0x00; 2422 p[0x12] = 0x07; 2423 p[0x13] = 0xD0; 2424 2425 /* 2426 * Class-3 Parameters 2427 */ 2428 /* C3-VAL: Class 3 Value - 1 */ 2429 /* C3-XID: X_ID Reassignment - 0 */ 2430 /* C3-IPA: Initial Process Assignment */ 2431 /* C3-AI-DCC: Data compression capable */ 2432 /* C3-AI-DC-HB: Data compression history buffer size */ 2433 /* C3-AI-DCE: Data encrytion capable */ 2434 /* C3-AI-CSC: Clock synchronization capable */ 2435 /* C3-ErrPol: Error pliciy */ 2436 /* C3-CatSeq: Information Cat. Per Sequence */ 2437 /* C3-AR-DCC: */ 2438 /* C3-AR-DC-HB: */ 2439 /* C3-AR-DCE: */ 2440 /* C3-AR-CSC */ 2441 p[0x44] = 0x80; 2442 p[0x45] = 0x00; 2443 p[0x46] = 0x00; 2444 p[0x47] = 0x00; 2445 p[0x48] = 0x00; 2446 p[0x49] = 0x00; 2447 2448 /* C3-RxSize: Class 3 receive data size */ 2449 p[0x4A] = 0x08; 2450 p[0x4B] = 0x00; 2451 2452 /* C3-ConSeq: Class 3 Concourrent sequences */ 2453 p[0x4C] = 0x00; 2454 p[0x4D] = 0xFF; 2455 2456 /* C3-OSPE: Class 3 open sequence per exchange */ 2457 p[0x50] = 0x00; 2458 p[0x51] = 0x01; 2459 2460 break; 2461 2462 case ELS_OP_SCR: 2463 els->els_resp_alloc_size = els->els_resp_size = 4; 2464 els->els_resp_payload = (uint8_t *) 2465 kmem_zalloc(els->els_resp_size, KM_SLEEP); 2466 els->els_req_alloc_size = els->els_req_size = 8; 2467 p = els->els_req_payload = (uint8_t *) 2468 kmem_zalloc(els->els_req_size, KM_SLEEP); 2469 p[7] = FC_SCR_FULL_REGISTRATION; 2470 break; 2471 case ELS_OP_RLS: 2472 els->els_resp_alloc_size = els->els_resp_size = 28; 2473 els->els_resp_payload = (uint8_t *) 2474 kmem_zalloc(els->els_resp_size, KM_SLEEP); 2475 els->els_req_alloc_size = els->els_req_size = 8; 2476 p = els->els_req_payload = (uint8_t *) 2477 kmem_zalloc(els->els_req_size, KM_SLEEP); 2478 ptid = PORT_TO_IPORT(port)->iport_link_info.portid; 2479 fct_value_to_netbuf(ptid, els->els_req_payload + 5, 3); 2480 break; 2481 2482 default: 2483 ASSERT(0); 2484 } 2485 } 2486 2487 els->els_req_payload[0] = elsop; 2488 return (cmd); 2489 } 2490 2491 fct_cmd_t * 2492 fct_create_solct(fct_local_port_t *port, fct_remote_port_t *query_rp, 2493 uint16_t ctop, fct_icmd_cb_t icmdcb) 2494 { 2495 fct_cmd_t *cmd = NULL; 2496 fct_i_cmd_t *icmd = NULL; 2497 fct_sol_ct_t *ct = NULL; 2498 uint8_t *p = NULL; 2499 fct_i_remote_port_t *irp = NULL; 2500 fct_i_local_port_t *iport = NULL; 2501 char *nname = NULL; 2502 int namelen = 0; 2503 2504 /* 2505 * Allocate space 2506 */ 2507 cmd = fct_alloc(FCT_STRUCT_CMD_SOL_CT, 2508 port->port_fca_sol_ct_private_size, 0); 2509 if (!cmd) { 2510 return (NULL); 2511 } 2512 2513 /* 2514 * We should have PLOGIed to the name server (0xFFFFFC) 2515 * Caution: this irp is not query_rp->rp_fct_private. 2516 */ 2517 irp = fct_portid_to_portptr((fct_i_local_port_t *) 2518 port->port_fct_private, FS_NAME_SERVER); 2519 if (irp == NULL) { 2520 stmf_trace(PORT_TO_IPORT(port)->iport_alias, 2521 "fct_create_solct: Must PLOGI name server first"); 2522 fct_free(cmd); 2523 return (NULL); 2524 } 2525 2526 cmd->cmd_port = port; 2527 cmd->cmd_rp = irp->irp_rp; 2528 cmd->cmd_rp_handle = irp->irp_rp->rp_handle; 2529 cmd->cmd_rportid = irp->irp_rp->rp_id; 2530 cmd->cmd_lportid = (PORT_TO_IPORT(port))->iport_link_info.portid; 2531 cmd->cmd_oxid = PTR2INT(cmd, uint16_t); 2532 cmd->cmd_rxid = 0xFFFF; 2533 cmd->cmd_handle = 0; 2534 icmd = CMD_TO_ICMD(cmd); 2535 ct = ICMD_TO_CT(icmd); 2536 icmd->icmd_cb = icmdcb; 2537 iport = ICMD_TO_IPORT(icmd); 2538 2539 switch (ctop) { 2540 case NS_GSNN_NN: 2541 /* 2542 * Allocate max space for its sybolic name 2543 */ 2544 ct->ct_resp_alloc_size = ct->ct_resp_size = 272; 2545 ct->ct_resp_payload = (uint8_t *)kmem_zalloc(ct->ct_resp_size, 2546 KM_SLEEP); 2547 2548 ct->ct_req_size = ct->ct_req_alloc_size = 24; 2549 p = ct->ct_req_payload = (uint8_t *)kmem_zalloc(ct->ct_req_size, 2550 KM_SLEEP); 2551 2552 bcopy(query_rp->rp_nwwn, p + 16, 8); 2553 break; 2554 2555 case NS_RNN_ID: 2556 ct->ct_resp_alloc_size = ct->ct_resp_size = 16; 2557 ct->ct_resp_payload = (uint8_t *)kmem_zalloc(ct->ct_resp_size, 2558 KM_SLEEP); 2559 ct->ct_req_size = ct->ct_req_alloc_size = 28; 2560 p = ct->ct_req_payload = (uint8_t *)kmem_zalloc(ct->ct_req_size, 2561 KM_SLEEP); 2562 2563 /* 2564 * Port Identifier 2565 */ 2566 p[17] = (iport->iport_link_info.portid >> 16) & 0xFF; 2567 p[18] = (iport->iport_link_info.portid >> 8) & 0xFF; 2568 p[19] = (iport->iport_link_info.portid >> 0) & 0xFF; 2569 2570 /* 2571 * Node Name 2572 */ 2573 bcopy(port->port_nwwn, p + 20, 8); 2574 break; 2575 2576 case NS_RCS_ID: 2577 ct->ct_resp_alloc_size = ct->ct_resp_size = 16; 2578 ct->ct_resp_payload = (uint8_t *)kmem_zalloc(ct->ct_resp_size, 2579 KM_SLEEP); 2580 ct->ct_req_size = ct->ct_req_alloc_size = 24; 2581 p = ct->ct_req_payload = (uint8_t *)kmem_zalloc(ct->ct_req_size, 2582 KM_SLEEP); 2583 2584 /* 2585 * Port Identifier 2586 */ 2587 p[17] = (iport->iport_link_info.portid >> 16) & 0xFF; 2588 p[18] = (iport->iport_link_info.portid >> 8) & 0xFF; 2589 p[19] = (iport->iport_link_info.portid >> 0) & 0xFF; 2590 2591 /* 2592 * Class of Service 2593 */ 2594 *(p + 23) = FC_NS_CLASS3; 2595 break; 2596 2597 case NS_RFT_ID: 2598 ct->ct_resp_alloc_size = ct->ct_resp_size = 16; 2599 ct->ct_resp_payload = (uint8_t *)kmem_zalloc(ct->ct_resp_size, 2600 KM_SLEEP); 2601 ct->ct_req_size = ct->ct_req_alloc_size = 52; 2602 p = ct->ct_req_payload = (uint8_t *)kmem_zalloc(ct->ct_req_size, 2603 KM_SLEEP); 2604 2605 /* 2606 * Port Identifier 2607 */ 2608 p[17] = (iport->iport_link_info.portid >> 16) & 0xFF; 2609 p[18] = (iport->iport_link_info.portid >> 8) & 0xFF; 2610 p[19] = (iport->iport_link_info.portid >> 0) & 0xFF; 2611 2612 /* 2613 * FC-4 Protocol Types 2614 */ 2615 *(p + 22) = 0x1; /* 0x100 */ 2616 break; 2617 2618 case NS_RSPN_ID: 2619 /* 2620 * If we get here, port->port_sym_port_name is always not NULL. 2621 */ 2622 ASSERT(port->port_sym_port_name); 2623 namelen = strlen(port->port_sym_port_name); 2624 ct->ct_resp_alloc_size = ct->ct_resp_size = 16; 2625 ct->ct_resp_payload = (uint8_t *)kmem_zalloc(ct->ct_resp_size, 2626 KM_SLEEP); 2627 ct->ct_req_size = ct->ct_req_alloc_size = 2628 (21 + namelen + 3) & ~3; 2629 p = ct->ct_req_payload = (uint8_t *)kmem_zalloc(ct->ct_req_size, 2630 KM_SLEEP); 2631 2632 /* 2633 * Port Identifier 2634 */ 2635 p[17] = (iport->iport_link_info.portid >> 16) & 0xFF; 2636 p[18] = (iport->iport_link_info.portid >> 8) & 0xFF; 2637 p[19] = (iport->iport_link_info.portid >> 0) & 0xFF; 2638 2639 /* 2640 * String length 2641 */ 2642 p[20] = namelen; 2643 2644 /* 2645 * Symbolic port name 2646 */ 2647 bcopy(port->port_sym_port_name, p + 21, ct->ct_req_size - 21); 2648 break; 2649 2650 case NS_RSNN_NN: 2651 namelen = port->port_sym_node_name == NULL ? 2652 strlen(utsname.nodename) : 2653 strlen(port->port_sym_node_name); 2654 nname = port->port_sym_node_name == NULL ? 2655 utsname.nodename : port->port_sym_node_name; 2656 2657 ct->ct_resp_alloc_size = ct->ct_resp_size = 16; 2658 ct->ct_resp_payload = (uint8_t *)kmem_zalloc(ct->ct_resp_size, 2659 KM_SLEEP); 2660 ct->ct_req_size = ct->ct_req_alloc_size = 2661 (25 + namelen + 3) & ~3; 2662 p = ct->ct_req_payload = (uint8_t *)kmem_zalloc(ct->ct_req_size, 2663 KM_SLEEP); 2664 2665 /* 2666 * Node name 2667 */ 2668 bcopy(port->port_nwwn, p + 16, 8); 2669 2670 /* 2671 * String length 2672 */ 2673 p[24] = namelen; 2674 2675 /* 2676 * Symbolic node name 2677 */ 2678 bcopy(nname, p + 25, ct->ct_req_size - 25); 2679 break; 2680 2681 case NS_GSPN_ID: 2682 ct->ct_resp_alloc_size = ct->ct_resp_size = 272; 2683 ct->ct_resp_payload = (uint8_t *)kmem_zalloc(ct->ct_resp_size, 2684 KM_SLEEP); 2685 ct->ct_req_size = ct->ct_req_alloc_size = 20; 2686 p = ct->ct_req_payload = (uint8_t *)kmem_zalloc(ct->ct_req_size, 2687 KM_SLEEP); 2688 /* 2689 * Port Identifier 2690 */ 2691 p[17] = (query_rp->rp_id >> 16) & 0xFF; 2692 p[18] = (query_rp->rp_id >> 8) & 0xFF; 2693 p[19] = (query_rp->rp_id >> 0) & 0xFF; 2694 break; 2695 2696 case NS_GCS_ID: 2697 ct->ct_resp_alloc_size = ct->ct_resp_size = 20; 2698 ct->ct_resp_payload = (uint8_t *)kmem_zalloc(ct->ct_resp_size, 2699 KM_SLEEP); 2700 ct->ct_req_size = ct->ct_req_alloc_size = 20; 2701 p = ct->ct_req_payload = (uint8_t *)kmem_zalloc(ct->ct_req_size, 2702 KM_SLEEP); 2703 /* 2704 * Port Identifier 2705 */ 2706 p[17] = (query_rp->rp_id >> 16) & 0xFF; 2707 p[18] = (query_rp->rp_id >> 8) & 0xFF; 2708 p[19] = (query_rp->rp_id >> 0) & 0xFF; 2709 break; 2710 2711 case NS_GFT_ID: 2712 ct->ct_resp_alloc_size = ct->ct_resp_size = 48; 2713 ct->ct_resp_payload = (uint8_t *)kmem_zalloc(ct->ct_resp_size, 2714 KM_SLEEP); 2715 ct->ct_req_size = ct->ct_req_alloc_size = 20; 2716 p = ct->ct_req_payload = (uint8_t *)kmem_zalloc(ct->ct_req_size, 2717 KM_SLEEP); 2718 /* 2719 * Port Identifier 2720 */ 2721 p[17] = (query_rp->rp_id >> 16) & 0xFF; 2722 p[18] = (query_rp->rp_id >> 8) & 0xFF; 2723 p[19] = (query_rp->rp_id >> 0) & 0xFF; 2724 break; 2725 2726 case NS_GID_PN: 2727 ct->ct_resp_alloc_size = ct->ct_resp_size = 20; 2728 ct->ct_resp_payload = (uint8_t *)kmem_zalloc(ct->ct_resp_size, 2729 KM_SLEEP); 2730 2731 ct->ct_req_size = ct->ct_req_alloc_size = 24; 2732 p = ct->ct_req_payload = (uint8_t *)kmem_zalloc(ct->ct_req_size, 2733 KM_SLEEP); 2734 2735 bcopy(query_rp->rp_pwwn, p + 16, 8); 2736 break; 2737 2738 default: 2739 /* CONSTCOND */ 2740 ASSERT(0); 2741 } 2742 2743 FCT_FILL_CTIU_PREAMBLE(p, ctop); 2744 return (cmd); 2745 } 2746 2747 /* 2748 * Cmd can only be solicited CT/ELS. They will be dispatched to the discovery 2749 * queue eventually too. 2750 * We queue solicited cmds here to track solicited cmds and to take full use 2751 * of single thread mechanism. 2752 * But in current implmentation, we don't use this mechanism on SOL_CT, PLOGI. 2753 * To avoid to interrupt current flow, ICMD_IN_SOLCMD_QUEUE is used here. 2754 */ 2755 void 2756 fct_post_to_solcmd_queue(fct_local_port_t *port, fct_cmd_t *cmd) 2757 { 2758 fct_i_local_port_t *iport = (fct_i_local_port_t *) 2759 port->port_fct_private; 2760 fct_i_cmd_t *icmd = (fct_i_cmd_t *)cmd->cmd_fct_private; 2761 2762 mutex_enter(&iport->iport_worker_lock); 2763 icmd->icmd_solcmd_next = iport->iport_solcmd_queue; 2764 iport->iport_solcmd_queue = icmd; 2765 atomic_or_32(&icmd->icmd_flags, ICMD_IN_SOLCMD_QUEUE | ICMD_SOLCMD_NEW); 2766 if (IS_WORKER_SLEEPING(iport)) { 2767 cv_signal(&iport->iport_worker_cv); 2768 } 2769 mutex_exit(&iport->iport_worker_lock); 2770 } 2771 2772 /* ARGSUSED */ 2773 void 2774 fct_event_handler(stmf_local_port_t *lport, int eventid, void *arg, 2775 uint32_t flags) 2776 { 2777 fct_local_port_t *port = (fct_local_port_t *) 2778 lport->lport_port_private; 2779 fct_i_local_port_t *iport = (fct_i_local_port_t *) 2780 port->port_fct_private; 2781 stmf_scsi_session_t *ss; 2782 fct_i_remote_port_t *irp; 2783 2784 switch (eventid) { 2785 case LPORT_EVENT_INITIAL_LUN_MAPPED: 2786 ss = (stmf_scsi_session_t *)arg; 2787 irp = (fct_i_remote_port_t *)ss->ss_port_private; 2788 stmf_trace(iport->iport_alias, 2789 "Initial LUN mapped to session ss-%p, irp-%p", ss, irp); 2790 break; 2791 2792 default: 2793 stmf_trace(iport->iport_alias, 2794 "Unknown event received, %d", eventid); 2795 } 2796 } 2797 2798 void 2799 fct_send_cmd_done(fct_cmd_t *cmd, fct_status_t s, uint32_t ioflags) 2800 { 2801 /* XXX For now just call send_resp_done() */ 2802 fct_send_response_done(cmd, s, ioflags); 2803 } 2804 2805 void 2806 fct_cmd_fca_aborted(fct_cmd_t *cmd, fct_status_t s, uint32_t ioflags) 2807 { 2808 fct_i_cmd_t *icmd = (fct_i_cmd_t *)cmd->cmd_fct_private; 2809 char info[FCT_INFO_LEN]; 2810 unsigned long long st; 2811 2812 st = s; /* To make gcc happy */ 2813 ASSERT(icmd->icmd_flags & ICMD_BEING_ABORTED); 2814 if ((((s != FCT_ABORT_SUCCESS) && (s != FCT_NOT_FOUND))) || 2815 ((ioflags & FCT_IOF_FCA_DONE) == 0)) { 2816 (void) snprintf(info, sizeof (info), 2817 "fct_cmd_fca_aborted: cmd-%p, " 2818 "s-%llx, iofalgs-%x", (void *)cmd, st, ioflags); 2819 (void) fct_port_shutdown(cmd->cmd_port, 2820 STMF_RFLAG_FATAL_ERROR | STMF_RFLAG_RESET, info); 2821 return; 2822 } 2823 2824 atomic_and_32(&icmd->icmd_flags, ~ICMD_KNOWN_TO_FCA); 2825 /* For non FCP Rest of the work is done by the terminator */ 2826 /* For FCP stuff just call stmf */ 2827 if (cmd->cmd_type == FCT_CMD_FCP_XCHG) { 2828 stmf_task_lport_aborted((scsi_task_t *)cmd->cmd_specific, 2829 s, STMF_IOF_LPORT_DONE); 2830 } 2831 } 2832 2833 /* 2834 * FCA drivers will use it, when they want to abort some FC transactions 2835 * due to lack of resource. 2836 */ 2837 uint16_t 2838 fct_get_rp_handle(fct_local_port_t *port, uint32_t rportid) 2839 { 2840 fct_i_remote_port_t *irp; 2841 2842 irp = fct_portid_to_portptr( 2843 (fct_i_local_port_t *)(port->port_fct_private), rportid); 2844 if (irp == NULL) { 2845 return (0xFFFF); 2846 } else { 2847 return (irp->irp_rp->rp_handle); 2848 } 2849 } 2850 2851 fct_cmd_t * 2852 fct_handle_to_cmd(fct_local_port_t *port, uint32_t fct_handle) 2853 { 2854 fct_cmd_slot_t *slot; 2855 uint16_t ndx; 2856 2857 if (!CMD_HANDLE_VALID(fct_handle)) 2858 return (NULL); 2859 if ((ndx = CMD_HANDLE_SLOT_INDEX(fct_handle)) >= port->port_max_xchges) 2860 return (NULL); 2861 2862 slot = &((fct_i_local_port_t *)port->port_fct_private)->iport_cmd_slots[ 2863 ndx]; 2864 2865 if ((slot->slot_uniq_cntr | 0x80) != (fct_handle >> 24)) 2866 return (NULL); 2867 return (slot->slot_cmd->icmd_cmd); 2868 } 2869 2870 void 2871 fct_queue_scsi_task_for_termination(fct_cmd_t *cmd, fct_status_t s) 2872 { 2873 fct_i_cmd_t *icmd = (fct_i_cmd_t *)cmd->cmd_fct_private; 2874 2875 uint32_t old, new; 2876 2877 do { 2878 old = icmd->icmd_flags; 2879 if ((old & (ICMD_BEING_ABORTED | ICMD_KNOWN_TO_FCA)) != 2880 ICMD_KNOWN_TO_FCA) 2881 return; 2882 new = old | ICMD_BEING_ABORTED; 2883 } while (atomic_cas_32(&icmd->icmd_flags, old, new) != old); 2884 stmf_abort(STMF_QUEUE_TASK_ABORT, (scsi_task_t *)cmd->cmd_specific, 2885 s, NULL); 2886 } 2887 2888 void 2889 fct_fill_abts_acc(fct_cmd_t *cmd) 2890 { 2891 fct_rcvd_abts_t *abts = (fct_rcvd_abts_t *)cmd->cmd_specific; 2892 uint8_t *p; 2893 2894 abts->abts_resp_rctl = BLS_OP_BA_ACC; 2895 p = abts->abts_resp_payload; 2896 bzero(p, 12); 2897 *((uint16_t *)(p+4)) = BE_16(cmd->cmd_oxid); 2898 *((uint16_t *)(p+6)) = BE_16(cmd->cmd_rxid); 2899 p[10] = p[11] = 0xff; 2900 } 2901 2902 void 2903 fct_handle_rcvd_abts(fct_cmd_t *cmd) 2904 { 2905 char info[FCT_INFO_LEN]; 2906 fct_local_port_t *port = cmd->cmd_port; 2907 fct_i_local_port_t *iport = 2908 (fct_i_local_port_t *)port->port_fct_private; 2909 fct_i_cmd_t *icmd = (fct_i_cmd_t *)cmd->cmd_fct_private; 2910 fct_i_remote_port_t *irp; 2911 fct_cmd_t *c = NULL; 2912 fct_i_cmd_t *ic = NULL; 2913 int found = 0; 2914 int i; 2915 2916 icmd->icmd_start_time = ddi_get_lbolt(); 2917 icmd->icmd_flags |= ICMD_KNOWN_TO_FCA; 2918 2919 rw_enter(&iport->iport_lock, RW_WRITER); 2920 /* Make sure local port is sane */ 2921 if ((iport->iport_link_state & S_LINK_ONLINE) == 0) { 2922 rw_exit(&iport->iport_lock); 2923 stmf_trace(iport->iport_alias, "ABTS not posted becasue" 2924 "port state was %x", iport->iport_link_state); 2925 fct_queue_cmd_for_termination(cmd, FCT_LOCAL_PORT_OFFLINE); 2926 return; 2927 } 2928 2929 if (cmd->cmd_rp_handle == FCT_HANDLE_NONE) 2930 irp = fct_portid_to_portptr(iport, cmd->cmd_rportid); 2931 else if (cmd->cmd_rp_handle < port->port_max_logins) 2932 irp = iport->iport_rp_slots[cmd->cmd_rp_handle]; 2933 else 2934 irp = NULL; 2935 if (irp == NULL) { 2936 /* XXX Throw a logout to the initiator */ 2937 rw_exit(&iport->iport_lock); 2938 stmf_trace(iport->iport_alias, "ABTS received from" 2939 " %x without a session", cmd->cmd_rportid); 2940 fct_queue_cmd_for_termination(cmd, FCT_NOT_LOGGED_IN); 2941 return; 2942 } 2943 2944 DTRACE_FC_3(abts__receive, 2945 fct_cmd_t, cmd, 2946 fct_local_port_t, port, 2947 fct_i_remote_port_t, irp); 2948 2949 cmd->cmd_rp = irp->irp_rp; 2950 2951 /* 2952 * No need to allocate an xchg resource. ABTSes use the same 2953 * xchg resource as the cmd they are aborting. 2954 */ 2955 rw_enter(&irp->irp_lock, RW_WRITER); 2956 mutex_enter(&iport->iport_worker_lock); 2957 /* Lets find the command first */ 2958 for (i = 0; i < port->port_max_xchges; i++) { 2959 if ((ic = iport->iport_cmd_slots[i].slot_cmd) == NULL) 2960 continue; 2961 if ((ic->icmd_flags & ICMD_KNOWN_TO_FCA) == 0) 2962 continue; 2963 c = ic->icmd_cmd; 2964 if (!CMD_HANDLE_VALID(c->cmd_handle)) 2965 continue; 2966 if ((c->cmd_rportid != cmd->cmd_rportid) || 2967 (c->cmd_oxid != cmd->cmd_oxid)) 2968 continue; 2969 /* Found the command */ 2970 found = 1; 2971 break; 2972 } 2973 if (!found) { 2974 mutex_exit(&iport->iport_worker_lock); 2975 rw_exit(&irp->irp_lock); 2976 rw_exit(&iport->iport_lock); 2977 /* Dont even bother queueing it. Just respond */ 2978 fct_fill_abts_acc(cmd); 2979 if (port->port_send_cmd_response(cmd, 2980 FCT_IOF_FORCE_FCA_DONE) != FCT_SUCCESS) { 2981 /* 2982 * XXX Throw HBA fatal error event 2983 * Later shutdown svc will terminate the ABTS in the end 2984 */ 2985 (void) snprintf(info, sizeof (info), 2986 "fct_handle_rcvd_abts: iport-%p, " 2987 "ABTS_ACC port_send_cmd_response failed", 2988 (void *)iport); 2989 (void) fct_port_shutdown(iport->iport_port, 2990 STMF_RFLAG_FATAL_ERROR | STMF_RFLAG_RESET, info); 2991 } else { 2992 fct_cmd_free(cmd); 2993 } 2994 return; 2995 } 2996 2997 /* Check if this an abts retry */ 2998 if (c->cmd_link && (ic->icmd_flags & ICMD_ABTS_RECEIVED)) { 2999 /* Kill this abts. */ 3000 fct_q_for_termination_lock_held(iport, icmd, FCT_ABORTED); 3001 if (IS_WORKER_SLEEPING(iport)) 3002 cv_signal(&iport->iport_worker_cv); 3003 mutex_exit(&iport->iport_worker_lock); 3004 rw_exit(&irp->irp_lock); 3005 rw_exit(&iport->iport_lock); 3006 return; 3007 } 3008 c->cmd_link = cmd; 3009 atomic_or_32(&ic->icmd_flags, ICMD_ABTS_RECEIVED); 3010 cmd->cmd_link = c; 3011 mutex_exit(&iport->iport_worker_lock); 3012 rw_exit(&irp->irp_lock); 3013 fct_queue_cmd_for_termination(c, FCT_ABTS_RECEIVED); 3014 rw_exit(&iport->iport_lock); 3015 } 3016 3017 void 3018 fct_queue_cmd_for_termination(fct_cmd_t *cmd, fct_status_t s) 3019 { 3020 fct_local_port_t *port = cmd->cmd_port; 3021 fct_i_local_port_t *iport = (fct_i_local_port_t *) 3022 port->port_fct_private; 3023 fct_i_cmd_t *icmd = (fct_i_cmd_t *)cmd->cmd_fct_private; 3024 3025 if (cmd->cmd_type == FCT_CMD_FCP_XCHG) { 3026 fct_queue_scsi_task_for_termination(cmd, s); 3027 return; 3028 } 3029 mutex_enter(&iport->iport_worker_lock); 3030 fct_q_for_termination_lock_held(iport, icmd, s); 3031 if (IS_WORKER_SLEEPING(iport)) 3032 cv_signal(&iport->iport_worker_cv); 3033 mutex_exit(&iport->iport_worker_lock); 3034 } 3035 3036 /* 3037 * This function will not be called for SCSI CMDS 3038 */ 3039 void 3040 fct_q_for_termination_lock_held(fct_i_local_port_t *iport, fct_i_cmd_t *icmd, 3041 fct_status_t s) 3042 { 3043 uint32_t old, new; 3044 fct_i_cmd_t **ppicmd; 3045 3046 do { 3047 old = icmd->icmd_flags; 3048 if (old & ICMD_BEING_ABORTED) 3049 return; 3050 new = old | ICMD_BEING_ABORTED; 3051 } while (atomic_cas_32(&icmd->icmd_flags, old, new) != old); 3052 3053 icmd->icmd_start_time = ddi_get_lbolt(); 3054 icmd->icmd_cmd->cmd_comp_status = s; 3055 3056 icmd->icmd_next = NULL; 3057 for (ppicmd = &(iport->iport_abort_queue); *ppicmd != NULL; 3058 ppicmd = &((*ppicmd)->icmd_next)) 3059 ; 3060 3061 *ppicmd = icmd; 3062 } 3063 3064 /* 3065 * For those cmds, for which we called fca_abort but it has not yet completed, 3066 * reset the FCA_ABORT_CALLED flag, so that abort can be called again. 3067 * This is done after a FCA offline. The reason is that after offline, the 3068 * firmware is not running so abort will never complete. But if we call it 3069 * again, the FCA will detect that it is not offline and it will 3070 * not call the firmware at all. Most likely it will abort in a synchronous 3071 * manner i.e. return FCT_ABORT_SUCCESS or FCT_NOT_FOUND. 3072 */ 3073 void 3074 fct_reset_flag_abort_called(fct_i_local_port_t *iport) 3075 { 3076 fct_i_cmd_t *icmd; 3077 uint32_t old, new; 3078 int i, do_clear; 3079 3080 ASSERT(mutex_owned(&iport->iport_worker_lock)); 3081 mutex_exit(&iport->iport_worker_lock); 3082 rw_enter(&iport->iport_lock, RW_WRITER); 3083 mutex_enter(&iport->iport_worker_lock); 3084 3085 for (i = 0; i < iport->iport_port->port_max_xchges; i++) { 3086 if (iport->iport_cmd_slots[i].slot_cmd == NULL) 3087 continue; 3088 3089 icmd = iport->iport_cmd_slots[i].slot_cmd; 3090 3091 do { 3092 old = new = icmd->icmd_flags; 3093 if ((old & (ICMD_KNOWN_TO_FCA | 3094 ICMD_FCA_ABORT_CALLED)) == (ICMD_KNOWN_TO_FCA | 3095 ICMD_FCA_ABORT_CALLED)) { 3096 new &= ~ICMD_FCA_ABORT_CALLED; 3097 do_clear = 1; 3098 } else { 3099 do_clear = 0; 3100 break; 3101 } 3102 } while (atomic_cas_32(&icmd->icmd_flags, old, new) != old); 3103 if (do_clear && 3104 (icmd->icmd_cmd->cmd_type == FCT_CMD_FCP_XCHG)) { 3105 stmf_abort(STMF_REQUEUE_TASK_ABORT_LPORT, 3106 icmd->icmd_cmd->cmd_specific, 0, NULL); 3107 } 3108 } 3109 3110 rw_exit(&iport->iport_lock); 3111 } 3112 3113 /* 3114 * Modify the irp_deregister_timer such that the ports start deregistering 3115 * quickly. 3116 */ 3117 void 3118 fct_irp_deregister_speedup(fct_i_local_port_t *iport) 3119 { 3120 fct_i_remote_port_t *irp; 3121 int i; 3122 3123 if (!iport->iport_nrps) 3124 return; 3125 3126 for (i = 0; i < rportid_table_size; i++) { 3127 irp = iport->iport_rp_tb[i]; 3128 while (irp) { 3129 irp->irp_deregister_timer = ddi_get_lbolt() - 1; 3130 irp = irp->irp_next; 3131 } 3132 } 3133 } 3134 3135 disc_action_t 3136 fct_handle_port_offline(fct_i_local_port_t *iport) 3137 { 3138 if (iport->iport_offline_prstate == FCT_OPR_START) { 3139 fct_reset_flag_abort_called(iport); 3140 iport->iport_offline_prstate = FCT_OPR_CMD_CLEANUP_WAIT; 3141 /* fct_ctl has already submitted a link offline event */ 3142 return (DISC_ACTION_DELAY_RESCAN); 3143 } 3144 if (iport->iport_offline_prstate == FCT_OPR_CMD_CLEANUP_WAIT) { 3145 if (iport->iport_link_state != PORT_STATE_LINK_DOWN) 3146 return (DISC_ACTION_DELAY_RESCAN); 3147 /* 3148 * All I/Os have been killed at this time. Lets speedup 3149 * the port deregister process. 3150 */ 3151 mutex_exit(&iport->iport_worker_lock); 3152 rw_enter(&iport->iport_lock, RW_WRITER); 3153 fct_irp_deregister_speedup(iport); 3154 rw_exit(&iport->iport_lock); 3155 mutex_enter(&iport->iport_worker_lock); 3156 iport->iport_offline_prstate = FCT_OPR_INT_CLEANUP_WAIT; 3157 return (DISC_ACTION_RESCAN); 3158 } 3159 if (iport->iport_offline_prstate == FCT_OPR_INT_CLEANUP_WAIT) { 3160 stmf_change_status_t st; 3161 3162 if (iport->iport_solcmd_queue) { 3163 return (DISC_ACTION_DELAY_RESCAN); 3164 } 3165 3166 if (iport->iport_nrps) { 3167 /* 3168 * A port logout may have gone when implicit logo all 3169 * was retried. So do the port speedup again here. 3170 */ 3171 mutex_exit(&iport->iport_worker_lock); 3172 rw_enter(&iport->iport_lock, RW_WRITER); 3173 fct_irp_deregister_speedup(iport); 3174 rw_exit(&iport->iport_lock); 3175 mutex_enter(&iport->iport_worker_lock); 3176 return (DISC_ACTION_DELAY_RESCAN); 3177 } 3178 3179 if (iport->iport_event_head != NULL) { 3180 return (DISC_ACTION_DELAY_RESCAN); 3181 } 3182 3183 st.st_completion_status = STMF_SUCCESS; 3184 st.st_additional_info = NULL; 3185 iport->iport_offline_prstate = FCT_OPR_DONE; 3186 iport->iport_state = FCT_STATE_OFFLINE; 3187 mutex_exit(&iport->iport_worker_lock); 3188 (void) stmf_ctl(STMF_CMD_LPORT_OFFLINE_COMPLETE, 3189 iport->iport_port->port_lport, &st); 3190 mutex_enter(&iport->iport_worker_lock); 3191 return (DISC_ACTION_DELAY_RESCAN); 3192 } 3193 3194 /* NOTREACHED */ 3195 return (0); 3196 } 3197 3198 /* 3199 * See stmf.h for information on rflags. Additional info is just a text 3200 * description of the reason for this call. Additional_info can be NULL. 3201 * Also the caller can declare additional info on the stack. stmf_ctl 3202 * makes a copy of it before returning. 3203 */ 3204 fct_status_t 3205 fct_port_initialize(fct_local_port_t *port, uint32_t rflags, 3206 char *additional_info) 3207 { 3208 stmf_state_change_info_t st; 3209 3210 st.st_rflags = rflags; 3211 st.st_additional_info = additional_info; 3212 stmf_trace(NULL, "fct_port_initialize: port-%p, %s", port, 3213 additional_info? additional_info : "no more information"); 3214 return (stmf_ctl(STMF_CMD_LPORT_ONLINE, port->port_lport, &st)); 3215 } 3216 3217 fct_status_t 3218 fct_port_shutdown(fct_local_port_t *port, uint32_t rflags, 3219 char *additional_info) 3220 { 3221 stmf_state_change_info_t st; 3222 3223 st.st_rflags = rflags; 3224 st.st_additional_info = additional_info; 3225 stmf_trace(NULL, "fct_port_shutdown: port-%p, %s", port, 3226 additional_info? additional_info : "no more information"); 3227 return (stmf_ctl(STMF_CMD_LPORT_OFFLINE, port->port_lport, &st)); 3228 } 3229 3230 /* 3231 * Called by worker thread. The aim is to terminate the command 3232 * using whatever means it takes. 3233 * Called with worker lock held. 3234 */ 3235 disc_action_t 3236 fct_cmd_terminator(fct_i_local_port_t *iport) 3237 { 3238 char info[FCT_INFO_LEN]; 3239 clock_t endtime; 3240 fct_i_cmd_t **ppicmd; 3241 fct_i_cmd_t *icmd; 3242 fct_cmd_t *cmd; 3243 fct_local_port_t *port = iport->iport_port; 3244 disc_action_t ret = DISC_ACTION_NO_WORK; 3245 fct_status_t abort_ret; 3246 int fca_done, fct_done, cmd_implicit = 0; 3247 int flags; 3248 unsigned long long st; 3249 3250 /* Lets Limit each run to 20ms max. */ 3251 endtime = ddi_get_lbolt() + drv_usectohz(20000); 3252 3253 /* Start from where we left off last time */ 3254 if (iport->iport_ppicmd_term) { 3255 ppicmd = iport->iport_ppicmd_term; 3256 iport->iport_ppicmd_term = NULL; 3257 } else { 3258 ppicmd = &iport->iport_abort_queue; 3259 } 3260 3261 /* 3262 * Once a command gets on discovery queue, this is the only thread 3263 * which can access it. So no need for the lock here. 3264 */ 3265 mutex_exit(&iport->iport_worker_lock); 3266 3267 while ((icmd = *ppicmd) != NULL) { 3268 cmd = icmd->icmd_cmd; 3269 3270 /* Always remember that cmd->cmd_rp can be NULL */ 3271 if ((icmd->icmd_flags & (ICMD_KNOWN_TO_FCA | 3272 ICMD_FCA_ABORT_CALLED)) == ICMD_KNOWN_TO_FCA) { 3273 atomic_or_32(&icmd->icmd_flags, ICMD_FCA_ABORT_CALLED); 3274 if (CMD_HANDLE_VALID(cmd->cmd_handle)) 3275 flags = 0; 3276 else 3277 flags = FCT_IOF_FORCE_FCA_DONE; 3278 abort_ret = port->port_abort_cmd(port, cmd, flags); 3279 if ((abort_ret != FCT_SUCCESS) && 3280 (abort_ret != FCT_ABORT_SUCCESS) && 3281 (abort_ret != FCT_NOT_FOUND)) { 3282 if (flags & FCT_IOF_FORCE_FCA_DONE) { 3283 /* 3284 * XXX trigger port fatal, 3285 * Abort the termination, and shutdown 3286 * svc will trigger fct_cmd_termination 3287 * again. 3288 */ 3289 (void) snprintf(info, sizeof (info), 3290 "fct_cmd_terminator:" 3291 " iport-%p, port_abort_cmd with " 3292 "FORCE_FCA_DONE failed", 3293 (void *)iport); 3294 (void) fct_port_shutdown( 3295 iport->iport_port, 3296 STMF_RFLAG_FATAL_ERROR | 3297 STMF_RFLAG_RESET, info); 3298 3299 mutex_enter(&iport->iport_worker_lock); 3300 iport->iport_ppicmd_term = ppicmd; 3301 return (DISC_ACTION_DELAY_RESCAN); 3302 } 3303 atomic_and_32(&icmd->icmd_flags, 3304 ~ICMD_FCA_ABORT_CALLED); 3305 } else if ((flags & FCT_IOF_FORCE_FCA_DONE) || 3306 (abort_ret == FCT_ABORT_SUCCESS) || 3307 (abort_ret == FCT_NOT_FOUND)) { 3308 atomic_and_32(&icmd->icmd_flags, 3309 ~ICMD_KNOWN_TO_FCA); 3310 } 3311 ret |= DISC_ACTION_DELAY_RESCAN; 3312 } else if (icmd->icmd_flags & ICMD_IMPLICIT) { 3313 if (cmd->cmd_type == FCT_CMD_SOL_ELS) 3314 cmd->cmd_comp_status = FCT_ABORTED; 3315 atomic_or_32(&icmd->icmd_flags, ICMD_FCA_ABORT_CALLED); 3316 cmd_implicit = 1; 3317 } 3318 if ((icmd->icmd_flags & ICMD_KNOWN_TO_FCA) == 0) 3319 fca_done = 1; 3320 else 3321 fca_done = 0; 3322 if ((icmd->icmd_flags & ICMD_IN_IRP_QUEUE) == 0) 3323 fct_done = 1; 3324 else 3325 fct_done = 0; 3326 if ((fca_done || cmd_implicit) && fct_done) { 3327 mutex_enter(&iport->iport_worker_lock); 3328 ASSERT(*ppicmd == icmd); 3329 *ppicmd = (*ppicmd)->icmd_next; 3330 mutex_exit(&iport->iport_worker_lock); 3331 if ((cmd->cmd_type == FCT_CMD_RCVD_ELS) || 3332 (cmd->cmd_type == FCT_CMD_RCVD_ABTS)) { 3333 /* Free the cmd */ 3334 fct_cmd_free(cmd); 3335 } else if (cmd->cmd_type == FCT_CMD_SOL_ELS) { 3336 fct_handle_sol_els_completion(iport, icmd); 3337 if (icmd->icmd_flags & ICMD_IMPLICIT) { 3338 if (IS_LOGO_ELS(icmd)) { 3339 /* IMPLICIT LOGO is special */ 3340 fct_cmd_free(cmd); 3341 } 3342 } 3343 } else if (cmd->cmd_type == FCT_CMD_SOL_CT) { 3344 fct_sol_ct_t *ct = ICMD_TO_CT(icmd); 3345 3346 /* Tell the caller that we are done */ 3347 atomic_or_32(&icmd->icmd_flags, 3348 ICMD_CMD_COMPLETE); 3349 if (fct_netbuf_to_value( 3350 ct->ct_req_payload + 8, 2) == NS_GID_PN) { 3351 fct_i_remote_port_t *irp; 3352 3353 rw_enter(&iport->iport_lock, RW_READER); 3354 irp = fct_lookup_irp_by_portwwn(iport, 3355 ct->ct_req_payload + 16); 3356 3357 if (irp) { 3358 atomic_and_32(&irp->irp_flags, 3359 ~IRP_RSCN_QUEUED); 3360 } 3361 rw_exit(&iport->iport_lock); 3362 } 3363 } else { 3364 ASSERT(0); 3365 } 3366 } else { 3367 clock_t timeout_ticks; 3368 if (port->port_fca_abort_timeout) 3369 timeout_ticks = drv_usectohz( 3370 port->port_fca_abort_timeout*1000); 3371 else 3372 /* 10 seconds by default */ 3373 timeout_ticks = drv_usectohz(10 * 1000000); 3374 if ((ddi_get_lbolt() > 3375 (icmd->icmd_start_time+timeout_ticks)) && 3376 iport->iport_state == FCT_STATE_ONLINE) { 3377 /* timeout, reset the port */ 3378 char cmd_type[10]; 3379 if (cmd->cmd_type == FCT_CMD_RCVD_ELS || 3380 cmd->cmd_type == FCT_CMD_SOL_ELS) { 3381 fct_els_t *els = cmd->cmd_specific; 3382 (void) snprintf(cmd_type, 3383 sizeof (cmd_type), "%x.%x", 3384 cmd->cmd_type, 3385 els->els_req_payload[0]); 3386 } else if (cmd->cmd_type == FCT_CMD_SOL_CT) { 3387 fct_sol_ct_t *ct = cmd->cmd_specific; 3388 (void) snprintf(cmd_type, 3389 sizeof (cmd_type), "%x.%02x%02x", 3390 cmd->cmd_type, 3391 ct->ct_req_payload[8], 3392 ct->ct_req_payload[9]); 3393 } else { 3394 cmd_type[0] = 0; 3395 } 3396 st = cmd->cmd_comp_status; /* gcc fix */ 3397 (void) snprintf(info, sizeof (info), 3398 "fct_cmd_terminator:" 3399 " iport-%p, cmd_type(0x%s)," 3400 " reason(%llx)", (void *)iport, cmd_type, 3401 st); 3402 (void) fct_port_shutdown(port, 3403 STMF_RFLAG_FATAL_ERROR | STMF_RFLAG_RESET, 3404 info); 3405 } 3406 ppicmd = &((*ppicmd)->icmd_next); 3407 } 3408 3409 if (ddi_get_lbolt() > endtime) { 3410 mutex_enter(&iport->iport_worker_lock); 3411 iport->iport_ppicmd_term = ppicmd; 3412 return (DISC_ACTION_DELAY_RESCAN); 3413 } 3414 } 3415 mutex_enter(&iport->iport_worker_lock); 3416 if (iport->iport_abort_queue) 3417 return (DISC_ACTION_DELAY_RESCAN); 3418 if (ret == DISC_ACTION_NO_WORK) 3419 return (DISC_ACTION_RESCAN); 3420 return (ret); 3421 } 3422 3423 /* 3424 * Send a syslog event for adapter port level events. 3425 */ 3426 void 3427 fct_log_local_port_event(fct_local_port_t *port, char *subclass) 3428 { 3429 nvlist_t *attr_list; 3430 int port_instance; 3431 3432 if (!fct_dip) 3433 return; 3434 port_instance = ddi_get_instance(fct_dip); 3435 3436 if (nvlist_alloc(&attr_list, NV_UNIQUE_NAME_TYPE, 3437 KM_SLEEP) != DDI_SUCCESS) { 3438 goto alloc_failed; 3439 } 3440 3441 if (nvlist_add_uint32(attr_list, "instance", port_instance) 3442 != DDI_SUCCESS) { 3443 goto error; 3444 } 3445 3446 if (nvlist_add_byte_array(attr_list, "port-wwn", 3447 port->port_pwwn, 8) != DDI_SUCCESS) { 3448 goto error; 3449 } 3450 3451 (void) ddi_log_sysevent(fct_dip, DDI_VENDOR_SUNW, EC_SUNFC, 3452 subclass, attr_list, NULL, DDI_SLEEP); 3453 3454 nvlist_free(attr_list); 3455 return; 3456 3457 error: 3458 nvlist_free(attr_list); 3459 alloc_failed: 3460 stmf_trace(((fct_i_local_port_t *)port->port_fct_private)->iport_alias, 3461 "Unable to send %s event", subclass); 3462 } 3463 3464 void 3465 fct_log_remote_port_event(fct_local_port_t *port, char *subclass, 3466 uint8_t *rp_pwwn, uint32_t rp_id) 3467 { 3468 nvlist_t *attr_list; 3469 int port_instance; 3470 3471 if (!fct_dip) 3472 return; 3473 port_instance = ddi_get_instance(fct_dip); 3474 3475 if (nvlist_alloc(&attr_list, NV_UNIQUE_NAME_TYPE, 3476 KM_SLEEP) != DDI_SUCCESS) { 3477 goto alloc_failed; 3478 } 3479 3480 if (nvlist_add_uint32(attr_list, "instance", port_instance) 3481 != DDI_SUCCESS) { 3482 goto error; 3483 } 3484 3485 if (nvlist_add_byte_array(attr_list, "port-wwn", 3486 port->port_pwwn, 8) != DDI_SUCCESS) { 3487 goto error; 3488 } 3489 3490 if (nvlist_add_byte_array(attr_list, "target-port-wwn", 3491 rp_pwwn, 8) != DDI_SUCCESS) { 3492 goto error; 3493 } 3494 3495 if (nvlist_add_uint32(attr_list, "target-port-id", 3496 rp_id) != DDI_SUCCESS) { 3497 goto error; 3498 } 3499 3500 (void) ddi_log_sysevent(fct_dip, DDI_VENDOR_SUNW, EC_SUNFC, 3501 subclass, attr_list, NULL, DDI_SLEEP); 3502 3503 nvlist_free(attr_list); 3504 return; 3505 3506 error: 3507 nvlist_free(attr_list); 3508 alloc_failed: 3509 stmf_trace(((fct_i_local_port_t *)port->port_fct_private)->iport_alias, 3510 "Unable to send %s event", subclass); 3511 } 3512 3513 uint64_t 3514 fct_netbuf_to_value(uint8_t *buf, uint8_t nbytes) 3515 { 3516 uint64_t ret = 0; 3517 uint8_t idx = 0; 3518 3519 do { 3520 ret |= (buf[idx] << (8 * (nbytes -idx - 1))); 3521 } while (++idx < nbytes); 3522 3523 return (ret); 3524 } 3525 3526 void 3527 fct_value_to_netbuf(uint64_t value, uint8_t *buf, uint8_t nbytes) 3528 { 3529 uint8_t idx = 0; 3530 3531 for (idx = 0; idx < nbytes; idx++) { 3532 buf[idx] = 0xFF & (value >> (8 * (nbytes - idx - 1))); 3533 } 3534 } 3535 3536 /* 3537 * from_ptr: ptr to uchar_t array of size WWN_SIZE 3538 * to_ptr: char ptr to string of size WWN_SIZE*2+1 3539 */ 3540 void 3541 fct_wwn_to_str(char *to_ptr, const uint8_t *from_ptr) 3542 { 3543 ASSERT(to_ptr != NULL && from_ptr != NULL); 3544 3545 (void) sprintf(to_ptr, "%02x%02x%02x%02x%02x%02x%02x%02x", 3546 from_ptr[0], from_ptr[1], from_ptr[2], from_ptr[3], 3547 from_ptr[4], from_ptr[5], from_ptr[6], from_ptr[7]); 3548 } 3549 3550 static int 3551 fct_update_stats(kstat_t *ks, int rw) 3552 { 3553 fct_i_local_port_t *iport; 3554 fct_port_stat_t *port_kstat; 3555 fct_port_link_status_t stat; 3556 uint32_t buf_size = sizeof (stat); 3557 int ret; 3558 3559 if (rw == KSTAT_WRITE) 3560 return (EACCES); 3561 3562 iport = (fct_i_local_port_t *)ks->ks_private; 3563 port_kstat = (fct_port_stat_t *)ks->ks_data; 3564 3565 if (iport->iport_port->port_info == NULL) { 3566 return (EIO); 3567 } 3568 ret = iport->iport_port->port_info(FC_TGT_PORT_RLS, 3569 iport->iport_port, NULL, (uint8_t *)&stat, &buf_size); 3570 if (ret != STMF_SUCCESS) { 3571 return (EIO); 3572 } 3573 3574 port_kstat->link_failure_cnt.value.ui32 = 3575 stat.LinkFailureCount; 3576 port_kstat->loss_of_sync_cnt.value.ui32 = 3577 stat.LossOfSyncCount; 3578 port_kstat->loss_of_signals_cnt.value.ui32 = 3579 stat.LossOfSignalsCount; 3580 port_kstat->prim_seq_protocol_err_cnt.value.ui32 = 3581 stat.PrimitiveSeqProtocolErrorCount; 3582 port_kstat->invalid_tx_word_cnt.value.ui32 = 3583 stat.InvalidTransmissionWordCount; 3584 port_kstat->invalid_crc_cnt.value.ui32 = 3585 stat.InvalidCRCCount; 3586 3587 return (0); 3588 } 3589 3590 void 3591 fct_init_kstats(fct_i_local_port_t *iport) 3592 { 3593 kstat_t *ks; 3594 fct_port_stat_t *port_kstat; 3595 char name[256]; 3596 3597 if (iport->iport_alias) 3598 (void) sprintf(name, "iport_%s", iport->iport_alias); 3599 else 3600 (void) sprintf(name, "iport_%"PRIxPTR"", (uintptr_t)iport); 3601 ks = kstat_create(FCT_MODULE_NAME, 0, name, "rawdata", 3602 KSTAT_TYPE_NAMED, sizeof (fct_port_stat_t) / sizeof (kstat_named_t), 3603 0); 3604 3605 if (ks == NULL) { 3606 return; 3607 } 3608 port_kstat = (fct_port_stat_t *)ks->ks_data; 3609 3610 iport->iport_kstat_portstat = ks; 3611 kstat_named_init(&port_kstat->link_failure_cnt, 3612 "Link_failure_cnt", KSTAT_DATA_UINT32); 3613 kstat_named_init(&port_kstat->loss_of_sync_cnt, 3614 "Loss_of_sync_cnt", KSTAT_DATA_UINT32); 3615 kstat_named_init(&port_kstat->loss_of_signals_cnt, 3616 "Loss_of_signals_cnt", KSTAT_DATA_UINT32); 3617 kstat_named_init(&port_kstat->prim_seq_protocol_err_cnt, 3618 "Prim_seq_protocol_err_cnt", KSTAT_DATA_UINT32); 3619 kstat_named_init(&port_kstat->invalid_tx_word_cnt, 3620 "Invalid_tx_word_cnt", KSTAT_DATA_UINT32); 3621 kstat_named_init(&port_kstat->invalid_crc_cnt, 3622 "Invalid_crc_cnt", KSTAT_DATA_UINT32); 3623 ks->ks_update = fct_update_stats; 3624 ks->ks_private = (void *)iport; 3625 kstat_install(ks); 3626 3627 } 3628