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 2009 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 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 <stmf.h> 40 #include <stmf_ioctl.h> 41 #include <portif.h> 42 #include <fct.h> 43 #include <fctio.h> 44 #include <fct_impl.h> 45 #include <discovery.h> 46 47 static int fct_attach(dev_info_t *dip, ddi_attach_cmd_t cmd); 48 static int fct_detach(dev_info_t *dip, ddi_detach_cmd_t cmd); 49 static int fct_getinfo(dev_info_t *dip, ddi_info_cmd_t cmd, void *arg, 50 void **result); 51 static int fct_open(dev_t *devp, int flag, int otype, cred_t *credp); 52 static int fct_close(dev_t dev, int flag, int otype, cred_t *credp); 53 static int fct_ioctl(dev_t dev, int cmd, intptr_t data, int mode, 54 cred_t *credp, int *rval); 55 static int fct_fctiocmd(intptr_t data, int mode); 56 void fct_init_kstats(fct_i_local_port_t *iport); 57 58 static dev_info_t *fct_dip; 59 static struct cb_ops fct_cb_ops = { 60 fct_open, /* open */ 61 fct_close, /* close */ 62 nodev, /* strategy */ 63 nodev, /* print */ 64 nodev, /* dump */ 65 nodev, /* read */ 66 nodev, /* write */ 67 fct_ioctl, /* ioctl */ 68 nodev, /* devmap */ 69 nodev, /* mmap */ 70 nodev, /* segmap */ 71 nochpoll, /* chpoll */ 72 ddi_prop_op, /* cb_prop_op */ 73 0, /* streamtab */ 74 D_NEW | D_MP, /* cb_flag */ 75 CB_REV, /* rev */ 76 nodev, /* aread */ 77 nodev /* awrite */ 78 }; 79 80 static struct dev_ops fct_ops = { 81 DEVO_REV, 82 0, 83 fct_getinfo, 84 nulldev, /* identify */ 85 nulldev, /* probe */ 86 fct_attach, 87 fct_detach, 88 nodev, /* reset */ 89 &fct_cb_ops, 90 NULL, /* bus_ops */ 91 NULL /* power */ 92 }; 93 94 #define FCT_NAME "COMSTAR FCT" 95 #define FCT_MODULE_NAME "fct" 96 97 extern struct mod_ops mod_driverops; 98 static struct modldrv modldrv = { 99 &mod_driverops, 100 FCT_NAME, 101 &fct_ops 102 }; 103 104 static struct modlinkage modlinkage = { 105 MODREV_1, 106 &modldrv, 107 NULL 108 }; 109 110 static uint32_t rportid_table_size = FCT_HASH_TABLE_SIZE; 111 static int max_cached_ncmds = FCT_MAX_CACHED_CMDS; 112 static fct_i_local_port_t *fct_iport_list = NULL; 113 static kmutex_t fct_global_mutex; 114 uint32_t fct_rscn_options = RSCN_OPTION_VERIFY; 115 116 int 117 _init(void) 118 { 119 int ret; 120 121 ret = mod_install(&modlinkage); 122 if (ret) 123 return (ret); 124 /* XXX */ 125 mutex_init(&fct_global_mutex, NULL, MUTEX_DRIVER, NULL); 126 return (ret); 127 } 128 129 int 130 _fini(void) 131 { 132 int ret; 133 134 ret = mod_remove(&modlinkage); 135 if (ret) 136 return (ret); 137 /* XXX */ 138 mutex_destroy(&fct_global_mutex); 139 return (ret); 140 } 141 142 int 143 _info(struct modinfo *modinfop) 144 { 145 return (mod_info(&modlinkage, modinfop)); 146 } 147 148 /* ARGSUSED */ 149 static int 150 fct_getinfo(dev_info_t *dip, ddi_info_cmd_t cmd, void *arg, void **result) 151 { 152 switch (cmd) { 153 case DDI_INFO_DEVT2DEVINFO: 154 *result = fct_dip; 155 break; 156 case DDI_INFO_DEVT2INSTANCE: 157 *result = (void *)(uintptr_t)ddi_get_instance(fct_dip); 158 break; 159 default: 160 return (DDI_FAILURE); 161 } 162 163 return (DDI_SUCCESS); 164 } 165 166 static int 167 fct_attach(dev_info_t *dip, ddi_attach_cmd_t cmd) 168 { 169 switch (cmd) { 170 case DDI_ATTACH: 171 fct_dip = dip; 172 173 if (ddi_create_minor_node(dip, "admin", S_IFCHR, 0, 174 DDI_NT_STMF_PP, 0) != DDI_SUCCESS) { 175 break; 176 } 177 ddi_report_dev(dip); 178 return (DDI_SUCCESS); 179 } 180 181 return (DDI_FAILURE); 182 } 183 184 static int 185 fct_detach(dev_info_t *dip, ddi_detach_cmd_t cmd) 186 { 187 switch (cmd) { 188 case DDI_DETACH: 189 ddi_remove_minor_node(dip, 0); 190 return (DDI_SUCCESS); 191 } 192 193 return (DDI_FAILURE); 194 } 195 196 /* ARGSUSED */ 197 static int 198 fct_open(dev_t *devp, int flag, int otype, cred_t *credp) 199 { 200 if (otype != OTYP_CHR) 201 return (EINVAL); 202 return (0); 203 } 204 205 /* ARGSUSED */ 206 static int 207 fct_close(dev_t dev, int flag, int otype, cred_t *credp) 208 { 209 return (0); 210 } 211 212 /* ARGSUSED */ 213 static int 214 fct_ioctl(dev_t dev, int cmd, intptr_t data, int mode, 215 cred_t *credp, int *rval) 216 { 217 int ret = 0; 218 219 if ((cmd & 0xff000000) != FCT_IOCTL) { 220 return (ENOTTY); 221 } 222 223 if (drv_priv(credp) != 0) { 224 return (EPERM); 225 } 226 227 switch (cmd) { 228 case FCTIO_CMD: 229 ret = fct_fctiocmd(data, mode); 230 break; 231 default: 232 ret = ENOTTY; 233 break; 234 } 235 236 return (ret); 237 } 238 239 int 240 fct_copyin_iocdata(intptr_t data, int mode, fctio_t **fctio, 241 void **ibuf, void **abuf, void **obuf) 242 { 243 int ret = 0; 244 245 *ibuf = NULL; 246 *abuf = NULL; 247 *obuf = NULL; 248 *fctio = kmem_zalloc(sizeof (fctio_t), KM_SLEEP); 249 if (ddi_copyin((void *)data, *fctio, sizeof (fctio_t), mode)) { 250 ret = EFAULT; 251 goto copyin_iocdata_done; 252 } 253 254 if ((*fctio)->fctio_ilen) { 255 *ibuf = kmem_zalloc((*fctio)->fctio_ilen, KM_SLEEP); 256 if (ddi_copyin((void *)(unsigned long)(*fctio)->fctio_ibuf, 257 *ibuf, (*fctio)->fctio_ilen, mode)) { 258 ret = EFAULT; 259 goto copyin_iocdata_done; 260 } 261 } 262 if ((*fctio)->fctio_alen) { 263 *abuf = kmem_zalloc((*fctio)->fctio_alen, KM_SLEEP); 264 if (ddi_copyin((void *)(unsigned long)(*fctio)->fctio_abuf, 265 *abuf, (*fctio)->fctio_alen, mode)) { 266 ret = EFAULT; 267 goto copyin_iocdata_done; 268 } 269 } 270 if ((*fctio)->fctio_olen) 271 *obuf = kmem_zalloc((*fctio)->fctio_olen, KM_SLEEP); 272 if (ret == 0) 273 return (0); 274 ret = EFAULT; 275 copyin_iocdata_done: 276 if (*obuf) { 277 kmem_free(*obuf, (*fctio)->fctio_olen); 278 *obuf = NULL; 279 } 280 if (*abuf) { 281 kmem_free(*abuf, (*fctio)->fctio_alen); 282 *abuf = NULL; 283 } 284 if (*ibuf) { 285 kmem_free(*ibuf, (*fctio)->fctio_ilen); 286 *ibuf = NULL; 287 } 288 kmem_free(*fctio, sizeof (fctio_t)); 289 return (ret); 290 } 291 292 int 293 fct_copyout_iocdata(intptr_t data, int mode, fctio_t *fctio, void *obuf) 294 { 295 int ret = 0; 296 297 if (fctio->fctio_olen) { 298 ret = ddi_copyout(obuf, 299 (void *)(unsigned long)fctio->fctio_obuf, fctio->fctio_olen, 300 mode); 301 if (ret) { 302 return (EFAULT); 303 } 304 } 305 ret = ddi_copyout(fctio, (void *)data, sizeof (fctio_t), mode); 306 if (ret) { 307 return (EFAULT); 308 } 309 return (0); 310 } 311 312 int 313 fct_get_port_list(char *pathList, int count) 314 { 315 fct_i_local_port_t *iport; 316 int i = 0, maxPorts = 0; 317 318 ASSERT(pathList != NULL); 319 320 mutex_enter(&fct_global_mutex); 321 for (iport = fct_iport_list; iport; iport = iport->iport_next) { 322 if (i < count) 323 bcopy(iport->iport_port->port_pwwn, 324 pathList + 8 * i, 8); 325 maxPorts ++; 326 i++; 327 } 328 mutex_exit(&fct_global_mutex); 329 return (maxPorts); 330 } 331 332 /* invoked with fct_global_mutex locked */ 333 fct_i_local_port_t * 334 fct_get_iport_per_wwn(uint8_t *pwwn) 335 { 336 fct_i_local_port_t *iport; 337 338 ASSERT(mutex_owned(&fct_global_mutex)); 339 for (iport = fct_iport_list; iport; iport = iport->iport_next) { 340 if (bcmp(iport->iport_port->port_pwwn, pwwn, 8) == 0) 341 return (iport); 342 } 343 return (NULL); 344 } 345 346 int 347 fct_get_adapter_attr(uint8_t *pwwn, fc_tgt_hba_adapter_attributes_t *hba_attr, 348 uint32_t *err_detail) 349 { 350 fct_i_local_port_t *iport; 351 fct_port_attrs_t *attr; 352 353 hba_attr->version = FCT_HBA_ADAPTER_ATTRIBUTES_VERSION; 354 iport = fct_get_iport_per_wwn(pwwn); 355 if (!iport) { 356 *err_detail = FCTIO_BADWWN; 357 return (ENXIO); 358 } 359 360 attr = (fct_port_attrs_t *)kmem_zalloc(sizeof (fct_port_attrs_t), 361 KM_SLEEP); 362 mutex_exit(&fct_global_mutex); 363 iport->iport_port->port_populate_hba_details(iport->iport_port, attr); 364 mutex_enter(&fct_global_mutex); 365 366 bcopy(attr->manufacturer, hba_attr->Manufacturer, 367 sizeof (hba_attr->Manufacturer)); 368 bcopy(attr->serial_number, hba_attr->SerialNumber, 369 sizeof (hba_attr->SerialNumber)); 370 bcopy(attr->model, hba_attr->Model, sizeof (hba_attr->Model)); 371 bcopy(attr->model_description, hba_attr->ModelDescription, 372 sizeof (hba_attr->ModelDescription)); 373 if (iport->iport_port->port_sym_node_name) 374 bcopy(iport->iport_port->port_sym_node_name, 375 hba_attr->NodeSymbolicName, 376 strlen(iport->iport_port->port_sym_node_name)); 377 else 378 bcopy(utsname.nodename, hba_attr->NodeSymbolicName, 379 strlen(utsname.nodename)); 380 bcopy(attr->hardware_version, hba_attr->HardwareVersion, 381 sizeof (hba_attr->HardwareVersion)); 382 bcopy(attr->option_rom_version, hba_attr->OptionROMVersion, 383 sizeof (hba_attr->OptionROMVersion)); 384 bcopy(attr->firmware_version, hba_attr->FirmwareVersion, 385 sizeof (hba_attr->FirmwareVersion)); 386 hba_attr->VendorSpecificID = attr->vendor_specific_id; 387 bcopy(iport->iport_port->port_nwwn, hba_attr->NodeWWN, 388 sizeof (hba_attr->NodeWWN)); 389 390 bcopy(attr->driver_name, hba_attr->DriverName, 391 sizeof (hba_attr->DriverName)); 392 bcopy(attr->driver_version, hba_attr->DriverVersion, 393 sizeof (hba_attr->DriverVersion)); 394 395 396 /* hba_attr->NumberOfPorts = fct_count_fru_ports(iport); */ 397 hba_attr->NumberOfPorts = 1; 398 399 kmem_free(attr, sizeof (fct_port_attrs_t)); 400 return (0); 401 } 402 403 int 404 fct_get_adapter_port_attr(fct_i_local_port_t *ilport, uint8_t *pwwn, 405 fc_tgt_hba_port_attributes_t *port_attr, uint32_t *err_detail) 406 { 407 fct_i_local_port_t *iport = ilport; 408 fct_i_remote_port_t *irp = NULL; 409 fct_port_attrs_t *attr; 410 int i = 0; 411 412 port_attr->version = FCT_HBA_PORT_ATTRIBUTES_VERSION; 413 414 if (!ilport) { 415 iport = fct_get_iport_per_wwn(pwwn); 416 if (!iport) { 417 *err_detail = FCTIO_BADWWN; 418 return (ENXIO); 419 } 420 } 421 422 attr = (fct_port_attrs_t *)kmem_zalloc(sizeof (fct_port_attrs_t), 423 KM_SLEEP); 424 mutex_exit(&fct_global_mutex); 425 iport->iport_port->port_populate_hba_details(iport->iport_port, attr); 426 mutex_enter(&fct_global_mutex); 427 428 port_attr->lastChange = iport->iport_last_change; 429 bcopy(iport->iport_port->port_nwwn, port_attr->NodeWWN, 430 sizeof (port_attr->NodeWWN)); 431 bcopy(iport->iport_port->port_pwwn, port_attr->PortWWN, 432 sizeof (port_attr->PortWWN)); 433 bzero(port_attr->FabricName, sizeof (port_attr->FabricName)); 434 port_attr->PortFcId = iport->iport_link_info.portid; 435 if ((iport->iport_link_state & S_LINK_ONLINE) || 436 (iport->iport_link_state & S_RCVD_LINK_UP)) { 437 port_attr->PortState = FC_HBA_PORTSTATE_ONLINE; 438 } else { 439 port_attr->PortState = FC_HBA_PORTSTATE_OFFLINE; 440 } 441 switch (iport->iport_link_info.port_topology) { 442 case PORT_TOPOLOGY_PT_TO_PT: 443 port_attr->PortType = FC_HBA_PORTTYPE_PTP; 444 break; 445 case PORT_TOPOLOGY_PRIVATE_LOOP: 446 port_attr->PortType = FC_HBA_PORTTYPE_LPORT; 447 break; 448 case PORT_TOPOLOGY_PUBLIC_LOOP: 449 port_attr->PortType = FC_HBA_PORTTYPE_NLPORT; 450 break; 451 case PORT_TOPOLOGY_FABRIC_PT_TO_PT: 452 port_attr->PortType = FC_HBA_PORTTYPE_FPORT; 453 break; 454 default: 455 port_attr->PortType = FC_HBA_PORTTYPE_UNKNOWN; 456 break; 457 } 458 port_attr->PortSupportedClassofService = attr->supported_cos; 459 port_attr->PortSupportedFc4Types[0] = 0; 460 port_attr->PortActiveFc4Types[2] = 1; 461 if (iport->iport_port->port_sym_port_name) 462 bcopy(iport->iport_port->port_sym_port_name, 463 port_attr->PortSymbolicName, 464 strlen(iport->iport_port->port_sym_port_name)); 465 else if (iport->iport_port->port_default_alias) 466 bcopy(iport->iport_port->port_default_alias, 467 port_attr->PortSymbolicName, 468 strlen(iport->iport_port->port_default_alias)); 469 else 470 port_attr->PortSymbolicName[0] = 0; 471 /* the definition is different so need to translate */ 472 if (attr->supported_speed & PORT_SPEED_1G) 473 port_attr->PortSupportedSpeed |= FC_HBA_PORTSPEED_1GBIT; 474 if (attr->supported_speed & PORT_SPEED_2G) 475 port_attr->PortSupportedSpeed |= FC_HBA_PORTSPEED_2GBIT; 476 if (attr->supported_speed & PORT_SPEED_4G) 477 port_attr->PortSupportedSpeed |= FC_HBA_PORTSPEED_4GBIT; 478 if (attr->supported_speed & PORT_SPEED_8G) 479 port_attr->PortSupportedSpeed |= FC_HBA_PORTSPEED_8GBIT; 480 if (attr->supported_speed & PORT_SPEED_10G) 481 port_attr->PortSupportedSpeed |= FC_HBA_PORTSPEED_10GBIT; 482 switch (iport->iport_link_info.port_speed) { 483 case PORT_SPEED_1G: 484 port_attr->PortSpeed = FC_HBA_PORTSPEED_1GBIT; 485 break; 486 case PORT_SPEED_2G: 487 port_attr->PortSpeed = FC_HBA_PORTSPEED_2GBIT; 488 break; 489 case PORT_SPEED_4G: 490 port_attr->PortSpeed = FC_HBA_PORTSPEED_4GBIT; 491 break; 492 case PORT_SPEED_8G: 493 port_attr->PortSpeed = FC_HBA_PORTSPEED_8GBIT; 494 break; 495 case PORT_SPEED_10G: 496 port_attr->PortSpeed = FC_HBA_PORTSPEED_10GBIT; 497 break; 498 default: 499 port_attr->PortSpeed = FC_HBA_PORTSPEED_UNKNOWN; 500 break; 501 } 502 port_attr->PortMaxFrameSize = attr->max_frame_size; 503 rw_enter(&iport->iport_lock, RW_READER); 504 port_attr->NumberofDiscoveredPorts = iport->iport_nrps_login; 505 for (; i < iport->iport_port->port_max_logins; i++) { 506 irp = iport->iport_rp_slots[i]; 507 if (irp && irp->irp_flags & IRP_PLOGI_DONE) { 508 if (FC_WELL_KNOWN_ADDR(irp->irp_portid)) 509 port_attr->NumberofDiscoveredPorts --; 510 } 511 } 512 rw_exit(&iport->iport_lock); 513 514 kmem_free(attr, sizeof (fct_port_attrs_t)); 515 516 return (0); 517 } 518 519 int 520 fct_get_discovered_port_attr(fct_i_remote_port_t *remote_port, 521 uint8_t *port_wwn, uint32_t index, fc_tgt_hba_port_attributes_t *port_attr, 522 uint32_t *error_detail) 523 { 524 fct_i_local_port_t *iport; 525 fct_i_remote_port_t *irp = remote_port; 526 int count = 0, i = 0; 527 528 port_attr->version = FCT_HBA_PORT_ATTRIBUTES_VERSION; 529 if (!remote_port) { 530 iport = fct_get_iport_per_wwn(port_wwn); 531 if (!iport) { 532 *error_detail = FCTIO_BADWWN; 533 return (ENXIO); 534 } 535 536 rw_enter(&iport->iport_lock, RW_READER); 537 538 if (index >= iport->iport_nrps_login) { 539 rw_exit(&iport->iport_lock); 540 *error_detail = FCTIO_OUTOFBOUNDS; 541 return (EINVAL); 542 } 543 for (; i < iport->iport_port->port_max_logins; i++) { 544 irp = iport->iport_rp_slots[i]; 545 if (irp && irp->irp_flags & IRP_PLOGI_DONE && 546 !FC_WELL_KNOWN_ADDR(irp->irp_portid)) { 547 count ++; 548 if ((index + 1) <= count) 549 break; 550 } 551 } 552 if (i >= iport->iport_port->port_max_logins) { 553 rw_exit(&iport->iport_lock); 554 *error_detail = FCTIO_OUTOFBOUNDS; 555 return (EINVAL); 556 } 557 ASSERT(irp); 558 } else { 559 iport = (fct_i_local_port_t *) 560 irp->irp_rp->rp_port->port_fct_private; 561 } 562 port_attr->lastChange = iport->iport_last_change; 563 rw_enter(&irp->irp_lock, RW_READER); 564 bcopy(irp->irp_rp->rp_pwwn, port_attr->PortWWN, 565 sizeof (port_attr->PortWWN)); 566 bcopy(irp->irp_rp->rp_nwwn, port_attr->NodeWWN, 567 sizeof (port_attr->NodeWWN)); 568 port_attr->PortFcId = irp->irp_portid; 569 if (irp->irp_spn) 570 (void) strncpy(port_attr->PortSymbolicName, irp->irp_spn, 571 strlen(irp->irp_spn)); 572 else 573 port_attr->PortSymbolicName[0] = '\0'; 574 port_attr->PortSupportedClassofService = irp->irp_cos; 575 bcopy((caddr_t)irp->irp_fc4types, port_attr->PortActiveFc4Types, 576 sizeof (irp->irp_fc4types)); 577 bcopy((caddr_t)irp->irp_fc4types, port_attr->PortSupportedFc4Types, 578 sizeof (irp->irp_fc4types)); 579 if (irp->irp_flags & IRP_PLOGI_DONE) 580 port_attr->PortState = FC_HBA_PORTSTATE_ONLINE; 581 else 582 port_attr->PortState = FC_HBA_PORTSTATE_UNKNOWN; 583 584 port_attr->PortType = FC_HBA_PORTTYPE_UNKNOWN; 585 port_attr->PortSupportedSpeed = FC_HBA_PORTSPEED_UNKNOWN; 586 port_attr->PortSpeed = FC_HBA_PORTSPEED_UNKNOWN; 587 port_attr->PortMaxFrameSize = 0; 588 port_attr->NumberofDiscoveredPorts = 0; 589 rw_exit(&irp->irp_lock); 590 if (!remote_port) { 591 rw_exit(&iport->iport_lock); 592 } 593 return (0); 594 } 595 596 int 597 fct_get_port_attr(uint8_t *port_wwn, 598 fc_tgt_hba_port_attributes_t *port_attr, uint32_t *error_detail) 599 { 600 fct_i_local_port_t *iport; 601 fct_i_remote_port_t *irp; 602 int i, ret; 603 604 iport = fct_get_iport_per_wwn(port_wwn); 605 if (iport) { 606 return (fct_get_adapter_port_attr(iport, port_wwn, 607 port_attr, error_detail)); 608 } 609 /* else */ 610 for (iport = fct_iport_list; iport; iport = iport->iport_next) { 611 rw_enter(&iport->iport_lock, RW_READER); 612 for (i = 0; i < rportid_table_size; i++) { 613 irp = iport->iport_rp_tb[i]; 614 while (irp) { 615 if (bcmp(irp->irp_rp->rp_pwwn, 616 port_wwn, 8) == 0 && 617 irp->irp_flags & IRP_PLOGI_DONE) { 618 ret = fct_get_discovered_port_attr( 619 irp, NULL, 0, port_attr, 620 error_detail); 621 rw_exit(&iport->iport_lock); 622 return (ret); 623 } 624 irp = irp->irp_next; 625 } 626 } 627 rw_exit(&iport->iport_lock); 628 } 629 *error_detail = FCTIO_BADWWN; 630 return (ENXIO); 631 } 632 633 /* ARGSUSED */ 634 int 635 fct_get_port_stats(uint8_t *port_wwn, 636 fc_tgt_hba_adapter_port_stats_t *port_stats, uint32_t *error_detail) 637 { 638 int ret; 639 fct_i_local_port_t *iport = fct_get_iport_per_wwn(port_wwn); 640 fct_port_link_status_t stat; 641 uint32_t buf_size = sizeof (fc_tgt_hba_adapter_port_stats_t); 642 643 if (!iport) 644 return (ENXIO); 645 port_stats->version = FCT_HBA_ADAPTER_PORT_STATS_VERSION; 646 647 if (iport->iport_port->port_info == NULL) { 648 *error_detail = FCTIO_FAILURE; 649 return (EIO); 650 } 651 ret = iport->iport_port->port_info(FC_TGT_PORT_RLS, 652 iport->iport_port, NULL, (uint8_t *)&stat, &buf_size); 653 if (ret != STMF_SUCCESS) { 654 *error_detail = FCTIO_FAILURE; 655 return (EIO); 656 } 657 658 port_stats->SecondsSinceLastReset = 0; 659 port_stats->TxFrames = 0; 660 port_stats->TxWords = 0; 661 port_stats->RxFrames = 0; 662 port_stats->RxWords = 0; 663 port_stats->LIPCount = 0; 664 port_stats->NOSCount = 0; 665 port_stats->ErrorFrames = 0; 666 port_stats->DumpedFrames = 0; 667 port_stats->LinkFailureCount = stat.LinkFailureCount; 668 port_stats->LossOfSyncCount = stat.LossOfSyncCount; 669 port_stats->LossOfSignalCount = stat.LossOfSignalsCount; 670 port_stats->PrimitiveSeqProtocolErrCount = 671 stat.PrimitiveSeqProtocolErrorCount; 672 port_stats->InvalidTxWordCount = 673 stat.InvalidTransmissionWordCount; 674 port_stats->InvalidCRCCount = stat.InvalidCRCCount; 675 676 return (ret); 677 } 678 679 int 680 fct_get_link_status(uint8_t *port_wwn, uint64_t *dest_id, 681 fct_port_link_status_t *link_status, uint32_t *error_detail) 682 { 683 fct_i_local_port_t *iport = fct_get_iport_per_wwn(port_wwn); 684 fct_i_remote_port_t *irp = NULL; 685 uint32_t buf_size = sizeof (fct_port_link_status_t); 686 stmf_status_t ret = 0; 687 int i; 688 fct_cmd_t *cmd = NULL; 689 690 if (!iport) { 691 *error_detail = FCTIO_BADWWN; 692 return (ENXIO); 693 } 694 695 /* 696 * If what we are requesting is zero or same as local port, 697 * then we use port_info() 698 */ 699 if (dest_id == NULL || *dest_id == iport->iport_link_info.portid) { 700 if (iport->iport_port->port_info == NULL) { 701 *error_detail = FCTIO_FAILURE; 702 return (EIO); 703 } 704 ret = iport->iport_port->port_info(FC_TGT_PORT_RLS, 705 iport->iport_port, NULL, 706 (uint8_t *)link_status, &buf_size); 707 if (ret == STMF_SUCCESS) { 708 return (0); 709 } else { 710 *error_detail = FCTIO_FAILURE; 711 return (EIO); 712 } 713 } 714 715 /* 716 * For remote port, we will send RLS 717 */ 718 for (i = 0; i < rportid_table_size; i++) { 719 irp = iport->iport_rp_tb[i]; 720 while (irp) { 721 if (irp->irp_rp->rp_id == *dest_id && 722 irp->irp_flags & IRP_PLOGI_DONE) { 723 goto SEND_RLS_ELS; 724 } 725 irp = irp->irp_next; 726 } 727 } 728 return (ENXIO); 729 730 SEND_RLS_ELS: 731 cmd = fct_create_solels(iport->iport_port, 732 irp->irp_rp, 0, ELS_OP_RLS, 733 0, fct_rls_cb); 734 if (!cmd) 735 return (ENOMEM); 736 iport->iport_rls_cb_data.fct_link_status = link_status; 737 CMD_TO_ICMD(cmd)->icmd_cb_private = &iport->iport_rls_cb_data; 738 fct_post_to_solcmd_queue(iport->iport_port, cmd); 739 sema_p(&iport->iport_rls_sema); 740 if (iport->iport_rls_cb_data.fct_els_res != FCT_SUCCESS) 741 ret = EIO; 742 return (ret); 743 } 744 745 static int 746 fct_forcelip(uint8_t *port_wwn, uint32_t *fctio_errno) 747 { 748 fct_status_t rval; 749 fct_i_local_port_t *iport; 750 751 mutex_enter(&fct_global_mutex); 752 iport = fct_get_iport_per_wwn(port_wwn); 753 mutex_exit(&fct_global_mutex); 754 if (iport == NULL) { 755 return (-1); 756 } 757 758 iport->iport_port->port_ctl(iport->iport_port, 759 FCT_CMD_FORCE_LIP, &rval); 760 if (rval != FCT_SUCCESS) { 761 *fctio_errno = FCTIO_FAILURE; 762 } else { 763 *fctio_errno = 0; 764 } 765 766 return (0); 767 } 768 769 static int 770 fct_fctiocmd(intptr_t data, int mode) 771 { 772 int ret = 0; 773 void *ibuf = NULL; 774 void *obuf = NULL; 775 void *abuf = NULL; 776 fctio_t *fctio; 777 uint32_t attr_length; 778 779 ret = fct_copyin_iocdata(data, mode, &fctio, &ibuf, &abuf, &obuf); 780 if (ret) { 781 return (ret); 782 } 783 784 switch (fctio->fctio_cmd) { 785 case FCTIO_ADAPTER_LIST: { 786 fc_tgt_hba_list_t *list = (fc_tgt_hba_list_t *)obuf; 787 int count; 788 789 if (fctio->fctio_olen < sizeof (fc_tgt_hba_list_t)) { 790 ret = EINVAL; 791 break; 792 } 793 list->numPorts = (fctio->fctio_olen - 794 sizeof (fc_tgt_hba_list_t))/8 + 1; 795 796 list->version = FCT_HBA_LIST_VERSION; 797 count = fct_get_port_list((char *)list->port_wwn, 798 list->numPorts); 799 if (count < 0) { 800 ret = ENXIO; 801 break; 802 } 803 if (count > list->numPorts) { 804 fctio->fctio_errno = FCTIO_MOREDATA; 805 ret = ENOSPC; 806 } 807 list->numPorts = count; 808 break; 809 } 810 case FCTIO_GET_ADAPTER_ATTRIBUTES: { 811 fc_tgt_hba_adapter_attributes_t *hba_attr; 812 uint8_t *port_wwn = (uint8_t *)ibuf; 813 814 attr_length = sizeof (fc_tgt_hba_adapter_attributes_t); 815 if (fctio->fctio_olen < attr_length || 816 fctio->fctio_xfer != FCTIO_XFER_READ) { 817 ret = EINVAL; 818 break; 819 } 820 hba_attr = (fc_tgt_hba_adapter_attributes_t *)obuf; 821 822 mutex_enter(&fct_global_mutex); 823 ret = fct_get_adapter_attr(port_wwn, hba_attr, 824 &fctio->fctio_errno); 825 mutex_exit(&fct_global_mutex); 826 827 break; 828 } 829 case FCTIO_GET_ADAPTER_PORT_ATTRIBUTES: { 830 fc_tgt_hba_port_attributes_t *port_attr; 831 832 uint8_t *port_wwn = (uint8_t *)ibuf; 833 834 attr_length = sizeof (fc_tgt_hba_port_attributes_t); 835 if (fctio->fctio_olen < attr_length || 836 fctio->fctio_xfer != FCTIO_XFER_READ) { 837 ret = EINVAL; 838 break; 839 } 840 port_attr = (fc_tgt_hba_port_attributes_t *)obuf; 841 842 mutex_enter(&fct_global_mutex); 843 ret = fct_get_adapter_port_attr(NULL, port_wwn, port_attr, 844 &fctio->fctio_errno); 845 mutex_exit(&fct_global_mutex); 846 847 break; 848 } 849 case FCTIO_GET_DISCOVERED_PORT_ATTRIBUTES: { 850 uint8_t *port_wwn = (uint8_t *)ibuf; 851 uint32_t *port_index = (uint32_t *)abuf; 852 fc_tgt_hba_port_attributes_t *port_attr; 853 854 attr_length = sizeof (fc_tgt_hba_port_attributes_t); 855 if (fctio->fctio_olen < attr_length || 856 fctio->fctio_xfer != FCTIO_XFER_READ) { 857 ret = EINVAL; 858 break; 859 } 860 port_attr = (fc_tgt_hba_port_attributes_t *)obuf; 861 862 mutex_enter(&fct_global_mutex); 863 ret = fct_get_discovered_port_attr(NULL, port_wwn, 864 *port_index, port_attr, &fctio->fctio_errno); 865 mutex_exit(&fct_global_mutex); 866 867 break; 868 } 869 case FCTIO_GET_PORT_ATTRIBUTES: { 870 uint8_t *port_wwn = (uint8_t *)ibuf; 871 fc_tgt_hba_port_attributes_t *port_attr; 872 873 attr_length = sizeof (fc_tgt_hba_port_attributes_t); 874 if (fctio->fctio_olen < attr_length || 875 fctio->fctio_xfer != FCTIO_XFER_READ) { 876 ret = EINVAL; 877 break; 878 } 879 880 port_attr = (fc_tgt_hba_port_attributes_t *)obuf; 881 882 mutex_enter(&fct_global_mutex); 883 ret = fct_get_port_attr(port_wwn, port_attr, 884 &fctio->fctio_errno); 885 mutex_exit(&fct_global_mutex); 886 887 break; 888 } 889 case FCTIO_GET_ADAPTER_PORT_STATS: { 890 uint8_t *port_wwn = (uint8_t *)ibuf; 891 fc_tgt_hba_adapter_port_stats_t *port_stats = 892 (fc_tgt_hba_adapter_port_stats_t *)obuf; 893 mutex_enter(&fct_global_mutex); 894 ret = fct_get_port_stats(port_wwn, port_stats, 895 &fctio->fctio_errno); 896 mutex_exit(&fct_global_mutex); 897 break; 898 } 899 case FCTIO_GET_LINK_STATUS: { 900 uint8_t *port_wwn = (uint8_t *)ibuf; 901 fct_port_link_status_t *link_status = 902 (fct_port_link_status_t *)obuf; 903 uint64_t *dest_id = abuf; 904 905 mutex_enter(&fct_global_mutex); 906 ret = fct_get_link_status(port_wwn, dest_id, link_status, 907 &fctio->fctio_errno); 908 mutex_exit(&fct_global_mutex); 909 break; 910 } 911 912 case FCTIO_FORCE_LIP: 913 ret = fct_forcelip((uint8_t *)ibuf, &fctio->fctio_errno); 914 break; 915 916 default: 917 break; 918 } 919 if (ret == 0) { 920 ret = fct_copyout_iocdata(data, mode, fctio, obuf); 921 } else if (fctio->fctio_errno) { 922 (void) fct_copyout_iocdata(data, mode, fctio, obuf); 923 } 924 925 if (obuf) { 926 kmem_free(obuf, fctio->fctio_olen); 927 obuf = NULL; 928 } 929 if (abuf) { 930 kmem_free(abuf, fctio->fctio_alen); 931 abuf = NULL; 932 } 933 934 if (ibuf) { 935 kmem_free(ibuf, fctio->fctio_ilen); 936 ibuf = NULL; 937 } 938 kmem_free(fctio, sizeof (fctio_t)); 939 return (ret); 940 } 941 942 typedef struct { 943 void *bp; /* back pointer from internal struct to main struct */ 944 int alloc_size; 945 fct_struct_id_t struct_id; 946 } __ifct_t; 947 948 typedef struct { 949 __ifct_t *fp; /* Framework private */ 950 void *cp; /* Caller private */ 951 void *ss; /* struct specific */ 952 } __fct_t; 953 954 static struct { 955 int shared; 956 int fw_private; 957 int struct_specific; 958 } fct_sizes[] = { { 0, 0, 0 }, 959 { GET_STRUCT_SIZE(fct_local_port_t), 960 GET_STRUCT_SIZE(fct_i_local_port_t), 0 }, 961 { GET_STRUCT_SIZE(fct_remote_port_t), 962 GET_STRUCT_SIZE(fct_i_remote_port_t), 0 }, 963 { GET_STRUCT_SIZE(fct_cmd_t), 964 GET_STRUCT_SIZE(fct_i_cmd_t), GET_STRUCT_SIZE(fct_els_t) }, 965 { GET_STRUCT_SIZE(fct_cmd_t), 966 GET_STRUCT_SIZE(fct_i_cmd_t), GET_STRUCT_SIZE(fct_els_t) }, 967 { GET_STRUCT_SIZE(fct_cmd_t), 968 GET_STRUCT_SIZE(fct_i_cmd_t), GET_STRUCT_SIZE(fct_sol_ct_t) }, 969 { GET_STRUCT_SIZE(fct_cmd_t), GET_STRUCT_SIZE(fct_i_cmd_t), 970 GET_STRUCT_SIZE(fct_rcvd_abts_t) }, 971 { GET_STRUCT_SIZE(fct_cmd_t), /* FCT_STRUCT_CMD_FCP_XCHG */ 972 GET_STRUCT_SIZE(fct_i_cmd_t), 0 }, 973 { GET_STRUCT_SIZE(fct_dbuf_store_t), 974 GET_STRUCT_SIZE(__ifct_t), 0 } 975 }; 976 977 void * 978 fct_alloc(fct_struct_id_t struct_id, int additional_size, int flags) 979 { 980 int fct_size; 981 int kmem_flag; 982 __fct_t *sh; 983 984 if ((struct_id == 0) || (struct_id >= FCT_MAX_STRUCT_IDS)) 985 return (NULL); 986 987 if ((curthread->t_flag & T_INTR_THREAD) || (flags & AF_FORCE_NOSLEEP)) { 988 kmem_flag = KM_NOSLEEP; 989 } else { 990 kmem_flag = KM_SLEEP; 991 } 992 993 additional_size = (additional_size + 7) & (~7); 994 fct_size = fct_sizes[struct_id].shared + 995 fct_sizes[struct_id].fw_private + 996 fct_sizes[struct_id].struct_specific + additional_size; 997 998 if (struct_id == FCT_STRUCT_LOCAL_PORT) { 999 stmf_local_port_t *lport; 1000 1001 lport = (stmf_local_port_t *)stmf_alloc( 1002 STMF_STRUCT_STMF_LOCAL_PORT, fct_size, flags); 1003 if (lport) { 1004 sh = (__fct_t *)lport->lport_port_private; 1005 sh->ss = lport; 1006 } else { 1007 return (NULL); 1008 } 1009 } else if (struct_id == FCT_STRUCT_DBUF_STORE) { 1010 stmf_dbuf_store_t *ds; 1011 1012 ds = (stmf_dbuf_store_t *)stmf_alloc(STMF_STRUCT_DBUF_STORE, 1013 fct_size, flags); 1014 if (ds) { 1015 sh = (__fct_t *)ds->ds_port_private; 1016 sh->ss = ds; 1017 } else { 1018 return (NULL); 1019 } 1020 } else { 1021 sh = (__fct_t *)kmem_zalloc(fct_size, kmem_flag); 1022 } 1023 1024 if (sh == NULL) 1025 return (NULL); 1026 1027 sh->fp = (__ifct_t *)GET_BYTE_OFFSET(sh, fct_sizes[struct_id].shared); 1028 sh->cp = GET_BYTE_OFFSET(sh->fp, fct_sizes[struct_id].fw_private); 1029 if (fct_sizes[struct_id].struct_specific) 1030 sh->ss = GET_BYTE_OFFSET(sh->cp, additional_size); 1031 1032 sh->fp->bp = sh; 1033 sh->fp->alloc_size = fct_size; 1034 sh->fp->struct_id = struct_id; 1035 1036 if (struct_id == FCT_STRUCT_CMD_FCP_XCHG) { 1037 ((fct_cmd_t *)sh)->cmd_type = FCT_CMD_FCP_XCHG; 1038 } else if (struct_id == FCT_STRUCT_CMD_RCVD_ELS) { 1039 ((fct_cmd_t *)sh)->cmd_type = FCT_CMD_RCVD_ELS; 1040 } else if (struct_id == FCT_STRUCT_CMD_SOL_ELS) { 1041 ((fct_cmd_t *)sh)->cmd_type = FCT_CMD_SOL_ELS; 1042 } else if (struct_id == FCT_STRUCT_CMD_RCVD_ABTS) { 1043 ((fct_cmd_t *)sh)->cmd_type = FCT_CMD_RCVD_ABTS; 1044 } else if (struct_id == FCT_STRUCT_CMD_SOL_CT) { 1045 ((fct_cmd_t *)sh)->cmd_type = FCT_CMD_SOL_CT; 1046 } 1047 1048 return (sh); 1049 } 1050 1051 void 1052 fct_free(void *ptr) 1053 { 1054 __fct_t *sh = (__fct_t *)ptr; 1055 fct_struct_id_t struct_id = sh->fp->struct_id; 1056 1057 if (struct_id == FCT_STRUCT_CMD_SOL_CT) { 1058 fct_sol_ct_t *ct = (fct_sol_ct_t *) 1059 ((fct_cmd_t *)ptr)->cmd_specific; 1060 1061 if (ct->ct_req_alloc_size) { 1062 kmem_free(ct->ct_req_payload, ct->ct_req_alloc_size); 1063 } 1064 if (ct->ct_resp_alloc_size) { 1065 kmem_free(ct->ct_resp_payload, ct->ct_resp_alloc_size); 1066 } 1067 } else if ((struct_id == FCT_STRUCT_CMD_RCVD_ELS) || 1068 (struct_id == FCT_STRUCT_CMD_SOL_ELS)) { 1069 fct_els_t *els = (fct_els_t *) 1070 ((fct_cmd_t *)ptr)->cmd_specific; 1071 if (els->els_req_alloc_size) 1072 kmem_free(els->els_req_payload, 1073 els->els_req_alloc_size); 1074 if (els->els_resp_alloc_size) 1075 kmem_free(els->els_resp_payload, 1076 els->els_resp_alloc_size); 1077 } 1078 1079 if (struct_id == FCT_STRUCT_LOCAL_PORT) { 1080 stmf_free(((fct_local_port_t *)ptr)->port_lport); 1081 } else if (struct_id == FCT_STRUCT_DBUF_STORE) { 1082 stmf_free(((fct_dbuf_store_t *)ptr)->fds_ds); 1083 } else { 1084 kmem_free(ptr, sh->fp->alloc_size); 1085 } 1086 } 1087 1088 stmf_data_buf_t * 1089 fct_alloc_dbuf(scsi_task_t *task, uint32_t size, uint32_t *pminsize, 1090 uint32_t flags) 1091 { 1092 fct_local_port_t *port = (fct_local_port_t *) 1093 task->task_lport->lport_port_private; 1094 1095 return (port->port_fds->fds_alloc_data_buf(port, size, 1096 pminsize, flags)); 1097 } 1098 1099 void 1100 fct_free_dbuf(stmf_dbuf_store_t *ds, stmf_data_buf_t *dbuf) 1101 { 1102 fct_dbuf_store_t *fds; 1103 1104 fds = (fct_dbuf_store_t *)ds->ds_port_private; 1105 1106 fds->fds_free_data_buf(fds, dbuf); 1107 } 1108 1109 static uint32_t taskq_cntr = 0; 1110 1111 fct_status_t 1112 fct_register_local_port(fct_local_port_t *port) 1113 { 1114 fct_i_local_port_t *iport; 1115 stmf_local_port_t *lport; 1116 fct_cmd_slot_t *slot; 1117 int i; 1118 char taskq_name[24]; 1119 1120 iport = (fct_i_local_port_t *)port->port_fct_private; 1121 if (port->port_fca_version != FCT_FCA_MODREV_1) { 1122 cmn_err(CE_WARN, 1123 "fct: %s driver version mismatch", 1124 port->port_default_alias); 1125 return (FCT_FAILURE); 1126 } 1127 if (port->port_default_alias) { 1128 int l = strlen(port->port_default_alias); 1129 1130 if (l < 16) { 1131 iport->iport_alias = iport->iport_alias_mem; 1132 } else { 1133 iport->iport_alias = 1134 (char *)kmem_zalloc(l+1, KM_SLEEP); 1135 } 1136 (void) strcpy(iport->iport_alias, port->port_default_alias); 1137 } else { 1138 iport->iport_alias = NULL; 1139 } 1140 stmf_wwn_to_devid_desc((scsi_devid_desc_t *)iport->iport_id, 1141 port->port_pwwn, PROTOCOL_FIBRE_CHANNEL); 1142 (void) snprintf(taskq_name, 24, "stmf_fct_taskq_%d", 1143 atomic_add_32_nv(&taskq_cntr, 1)); 1144 taskq_name[23] = 0; 1145 if ((iport->iport_worker_taskq = ddi_taskq_create(NULL, 1146 taskq_name, 1, TASKQ_DEFAULTPRI, 0)) == NULL) { 1147 return (FCT_FAILURE); 1148 } 1149 mutex_init(&iport->iport_worker_lock, NULL, MUTEX_DRIVER, NULL); 1150 cv_init(&iport->iport_worker_cv, NULL, CV_DRIVER, NULL); 1151 rw_init(&iport->iport_lock, NULL, RW_DRIVER, NULL); 1152 sema_init(&iport->iport_rls_sema, 0, NULL, SEMA_DRIVER, NULL); 1153 1154 /* Remote port mgmt */ 1155 iport->iport_rp_slots = (fct_i_remote_port_t **)kmem_zalloc( 1156 port->port_max_logins * sizeof (fct_i_remote_port_t *), KM_SLEEP); 1157 iport->iport_rp_tb = kmem_zalloc(rportid_table_size * 1158 sizeof (fct_i_remote_port_t *), KM_SLEEP); 1159 1160 /* fct_cmds for SCSI traffic */ 1161 iport->iport_total_alloced_ncmds = 0; 1162 iport->iport_cached_ncmds = 0; 1163 port->port_fca_fcp_cmd_size = 1164 (port->port_fca_fcp_cmd_size + 7) & ~7; 1165 iport->iport_cached_cmdlist = NULL; 1166 mutex_init(&iport->iport_cached_cmd_lock, NULL, MUTEX_DRIVER, NULL); 1167 1168 /* Initialize cmd slots */ 1169 iport->iport_cmd_slots = (fct_cmd_slot_t *)kmem_zalloc( 1170 port->port_max_xchges * sizeof (fct_cmd_slot_t), KM_SLEEP); 1171 iport->iport_next_free_slot = 0; 1172 for (i = 0; i < port->port_max_xchges; ) { 1173 slot = &iport->iport_cmd_slots[i]; 1174 slot->slot_no = (uint16_t)i; 1175 slot->slot_next = (uint16_t)(++i); 1176 } 1177 slot->slot_next = FCT_SLOT_EOL; 1178 iport->iport_nslots_free = port->port_max_xchges; 1179 1180 iport->iport_task_green_limit = 1181 (port->port_max_xchges * FCT_TASK_GREEN_LIMIT) / 100; 1182 iport->iport_task_yellow_limit = 1183 (port->port_max_xchges * FCT_TASK_YELLOW_LIMIT) / 100; 1184 iport->iport_task_red_limit = 1185 (port->port_max_xchges * FCT_TASK_RED_LIMIT) / 100; 1186 1187 /* Start worker thread */ 1188 atomic_and_32(&iport->iport_flags, ~IPORT_TERMINATE_WORKER); 1189 (void) ddi_taskq_dispatch(iport->iport_worker_taskq, 1190 fct_port_worker, port, DDI_SLEEP); 1191 /* Wait for taskq to start */ 1192 while ((iport->iport_flags & IPORT_WORKER_RUNNING) == 0) { 1193 delay(1); 1194 } 1195 1196 lport = port->port_lport; 1197 lport->lport_id = (scsi_devid_desc_t *)iport->iport_id; 1198 lport->lport_alias = iport->iport_alias; 1199 lport->lport_pp = port->port_pp; 1200 port->port_fds->fds_ds->ds_alloc_data_buf = fct_alloc_dbuf; 1201 port->port_fds->fds_ds->ds_free_data_buf = fct_free_dbuf; 1202 lport->lport_ds = port->port_fds->fds_ds; 1203 lport->lport_xfer_data = fct_xfer_scsi_data; 1204 lport->lport_send_status = fct_send_scsi_status; 1205 lport->lport_task_free = fct_scsi_task_free; 1206 lport->lport_abort = fct_scsi_abort; 1207 lport->lport_ctl = fct_ctl; 1208 lport->lport_info = fct_info; 1209 lport->lport_event_handler = fct_event_handler; 1210 if (stmf_register_local_port(port->port_lport) != FCT_SUCCESS) { 1211 goto fct_regport_fail1; 1212 } 1213 (void) stmf_lport_add_event(lport, LPORT_EVENT_INITIAL_LUN_MAPPED); 1214 1215 mutex_enter(&fct_global_mutex); 1216 iport->iport_next = fct_iport_list; 1217 iport->iport_prev = NULL; 1218 if (iport->iport_next) 1219 iport->iport_next->iport_prev = iport; 1220 fct_iport_list = iport; 1221 mutex_exit(&fct_global_mutex); 1222 1223 fct_init_kstats(iport); 1224 1225 fct_log_local_port_event(port, ESC_SUNFC_PORT_ATTACH); 1226 1227 return (FCT_SUCCESS); 1228 1229 fct_regport_fail1:; 1230 /* Stop the taskq 1st */ 1231 if (iport->iport_flags & IPORT_WORKER_RUNNING) { 1232 atomic_or_32(&iport->iport_flags, IPORT_TERMINATE_WORKER); 1233 cv_broadcast(&iport->iport_worker_cv); 1234 while (iport->iport_flags & IPORT_WORKER_RUNNING) { 1235 delay(1); 1236 } 1237 } 1238 ddi_taskq_destroy(iport->iport_worker_taskq); 1239 if (iport->iport_rp_tb) { 1240 kmem_free(iport->iport_rp_tb, rportid_table_size * 1241 sizeof (fct_i_remote_port_t *)); 1242 } 1243 return (FCT_FAILURE); 1244 } 1245 1246 fct_status_t 1247 fct_deregister_local_port(fct_local_port_t *port) 1248 { 1249 fct_i_local_port_t *iport; 1250 fct_i_cmd_t *icmd, *next_icmd; 1251 int ndx; 1252 1253 iport = (fct_i_local_port_t *)port->port_fct_private; 1254 1255 if ((iport->iport_state != FCT_STATE_OFFLINE) || 1256 iport->iport_state_not_acked) { 1257 return (FCT_FAILURE); 1258 } 1259 1260 /* Stop the taskq 1st */ 1261 if (iport->iport_flags & IPORT_WORKER_RUNNING) { 1262 atomic_or_32(&iport->iport_flags, IPORT_TERMINATE_WORKER); 1263 cv_broadcast(&iport->iport_worker_cv); 1264 for (ndx = 0; ndx < 100; ndx++) { 1265 if ((iport->iport_flags & IPORT_WORKER_RUNNING) 1266 == 0) { 1267 break; 1268 } 1269 delay(drv_usectohz(10000)); 1270 } 1271 if (ndx == 100) { 1272 atomic_and_32(&iport->iport_flags, 1273 ~IPORT_TERMINATE_WORKER); 1274 return (FCT_WORKER_STUCK); 1275 } 1276 } 1277 1278 if (stmf_deregister_local_port(port->port_lport) != FCT_SUCCESS) { 1279 goto fct_deregport_fail1; 1280 } 1281 1282 mutex_enter(&fct_global_mutex); 1283 if (iport->iport_next) 1284 iport->iport_next->iport_prev = iport->iport_prev; 1285 if (iport->iport_prev) 1286 iport->iport_prev->iport_next = iport->iport_next; 1287 else 1288 fct_iport_list = iport->iport_next; 1289 mutex_exit(&fct_global_mutex); 1290 /* 1291 * At this time, there should be no outstanding and pending 1292 * I/Os, so we can just release resources. 1293 */ 1294 ASSERT(iport->iport_total_alloced_ncmds == iport->iport_cached_ncmds); 1295 for (icmd = iport->iport_cached_cmdlist; icmd; icmd = next_icmd) { 1296 next_icmd = icmd->icmd_next; 1297 fct_free(icmd->icmd_cmd); 1298 } 1299 mutex_destroy(&iport->iport_cached_cmd_lock); 1300 kmem_free(iport->iport_cmd_slots, port->port_max_xchges * 1301 sizeof (fct_cmd_slot_t)); 1302 kmem_free(iport->iport_rp_slots, port->port_max_logins * 1303 sizeof (fct_i_remote_port_t *)); 1304 rw_destroy(&iport->iport_lock); 1305 cv_destroy(&iport->iport_worker_cv); 1306 sema_destroy(&iport->iport_rls_sema); 1307 mutex_destroy(&iport->iport_worker_lock); 1308 ddi_taskq_destroy(iport->iport_worker_taskq); 1309 if (iport->iport_rp_tb) { 1310 kmem_free(iport->iport_rp_tb, rportid_table_size * 1311 sizeof (fct_i_remote_port_t *)); 1312 } 1313 1314 if (iport->iport_kstat_portstat) { 1315 kstat_delete(iport->iport_kstat_portstat); 1316 } 1317 1318 fct_log_local_port_event(port, ESC_SUNFC_PORT_DETACH); 1319 return (FCT_SUCCESS); 1320 1321 fct_deregport_fail1:; 1322 /* Restart the worker */ 1323 atomic_and_32(&iport->iport_flags, ~IPORT_TERMINATE_WORKER); 1324 (void) ddi_taskq_dispatch(iport->iport_worker_taskq, 1325 fct_port_worker, port, DDI_SLEEP); 1326 /* Wait for taskq to start */ 1327 while ((iport->iport_flags & IPORT_WORKER_RUNNING) == 0) { 1328 delay(1); 1329 } 1330 return (FCT_FAILURE); 1331 } 1332 1333 /* ARGSUSED */ 1334 void 1335 fct_handle_event(fct_local_port_t *port, int event_id, uint32_t event_flags, 1336 caddr_t arg) 1337 { 1338 char info[80]; 1339 fct_i_event_t *e; 1340 fct_i_local_port_t *iport = (fct_i_local_port_t *) 1341 port->port_fct_private; 1342 1343 e = kmem_zalloc(sizeof (fct_i_event_t), KM_NOSLEEP); 1344 1345 if (e == NULL) { 1346 /* 1347 * XXX Throw HBA fatal error event 1348 */ 1349 (void) snprintf(info, 80, 1350 "fct_handle_event: iport-%p, allocation " 1351 "of fct_i_event failed", (void *)iport); 1352 info[79] = 0; 1353 (void) fct_port_shutdown(iport->iport_port, 1354 STMF_RFLAG_FATAL_ERROR | STMF_RFLAG_RESET, info); 1355 return; 1356 } 1357 /* Just queue the event */ 1358 e->event_type = event_id; 1359 mutex_enter(&iport->iport_worker_lock); 1360 if (iport->iport_event_head == NULL) { 1361 iport->iport_event_head = iport->iport_event_tail = e; 1362 } else { 1363 iport->iport_event_tail->event_next = e; 1364 iport->iport_event_tail = e; 1365 } 1366 if (IS_WORKER_SLEEPING(iport)) 1367 cv_signal(&iport->iport_worker_cv); 1368 mutex_exit(&iport->iport_worker_lock); 1369 } 1370 1371 /* 1372 * Called with iport_lock held as reader. 1373 */ 1374 fct_i_remote_port_t * 1375 fct_portid_to_portptr(fct_i_local_port_t *iport, uint32_t portid) 1376 { 1377 fct_i_remote_port_t *irp; 1378 1379 irp = iport->iport_rp_tb[FCT_PORTID_HASH_FUNC(portid)]; 1380 for (; irp != NULL; irp = irp->irp_next) { 1381 if (irp->irp_portid == portid) 1382 return (irp); 1383 } 1384 1385 return (NULL); 1386 1387 } 1388 1389 /* 1390 * Called with irp_lock held as writer. 1391 */ 1392 void 1393 fct_queue_rp(fct_i_local_port_t *iport, fct_i_remote_port_t *irp) 1394 { 1395 int hash_key = 1396 FCT_PORTID_HASH_FUNC(irp->irp_portid); 1397 1398 irp->irp_next = iport->iport_rp_tb[hash_key]; 1399 iport->iport_rp_tb[hash_key] = irp; 1400 iport->iport_nrps++; 1401 } 1402 1403 /* 1404 * Called with irp_lock and iport_lock held as writer. 1405 */ 1406 void 1407 fct_deque_rp(fct_i_local_port_t *iport, fct_i_remote_port_t *irp) 1408 { 1409 fct_i_remote_port_t *irp_next = NULL; 1410 fct_i_remote_port_t *irp_last = NULL; 1411 int hash_key = 1412 FCT_PORTID_HASH_FUNC(irp->irp_portid); 1413 1414 irp_next = iport->iport_rp_tb[hash_key]; 1415 irp_last = NULL; 1416 while (irp_next != NULL) { 1417 if (irp == irp_next) { 1418 break; 1419 } 1420 irp_last = irp_next; 1421 irp_next = irp_next->irp_next; 1422 } 1423 1424 if (irp_next) { 1425 if (irp_last == NULL) { 1426 iport->iport_rp_tb[hash_key] = 1427 irp->irp_next; 1428 } else { 1429 irp_last->irp_next = irp->irp_next; 1430 } 1431 irp->irp_next = NULL; 1432 iport->iport_nrps--; 1433 } 1434 } 1435 1436 int 1437 fct_is_irp_logging_out(fct_i_remote_port_t *irp, int force_implicit) 1438 { 1439 int logging_out = 0; 1440 1441 rw_enter(&irp->irp_lock, RW_WRITER); 1442 if ((irp->irp_flags & IRP_IN_DISCOVERY_QUEUE) == 0) { 1443 logging_out = 0; 1444 goto ilo_done; 1445 } 1446 if ((irp->irp_els_list == NULL) && (irp->irp_deregister_timer)) { 1447 if (force_implicit && irp->irp_nonfcp_xchg_count) { 1448 logging_out = 0; 1449 } else { 1450 logging_out = 1; 1451 } 1452 goto ilo_done; 1453 } 1454 if (irp->irp_els_list) { 1455 fct_i_cmd_t *icmd; 1456 /* Last session affecting ELS should be a LOGO */ 1457 for (icmd = irp->irp_els_list; icmd; icmd = icmd->icmd_next) { 1458 uint8_t op = (ICMD_TO_ELS(icmd))->els_req_payload[0]; 1459 if (op == ELS_OP_LOGO) { 1460 if (force_implicit) { 1461 if (icmd->icmd_flags & ICMD_IMPLICIT) 1462 logging_out = 1; 1463 else 1464 logging_out = 0; 1465 } else { 1466 logging_out = 1; 1467 } 1468 } else if ((op == ELS_OP_PLOGI) || 1469 (op == ELS_OP_PRLI) || 1470 (op == ELS_OP_PRLO) || (op == ELS_OP_TPRLO)) { 1471 logging_out = 0; 1472 } 1473 } 1474 } 1475 ilo_done:; 1476 rw_exit(&irp->irp_lock); 1477 1478 return (logging_out); 1479 } 1480 1481 /* 1482 * The force_implicit flag enforces the implicit semantics which may be 1483 * needed if a received logout got stuck e.g. a response to a received 1484 * LOGO never came back from the FCA. 1485 */ 1486 int 1487 fct_implicitly_logo_all(fct_i_local_port_t *iport, int force_implicit) 1488 { 1489 fct_i_remote_port_t *irp = NULL; 1490 fct_cmd_t *cmd = NULL; 1491 int i = 0; 1492 int nports = 0; 1493 1494 if (!iport->iport_nrps) { 1495 return (nports); 1496 } 1497 1498 rw_enter(&iport->iport_lock, RW_WRITER); 1499 for (i = 0; i < rportid_table_size; i++) { 1500 irp = iport->iport_rp_tb[i]; 1501 while (irp) { 1502 if ((!(irp->irp_flags & IRP_PLOGI_DONE)) && 1503 (fct_is_irp_logging_out(irp, force_implicit))) { 1504 irp = irp->irp_next; 1505 continue; 1506 } 1507 1508 cmd = fct_create_solels(iport->iport_port, irp->irp_rp, 1509 1, ELS_OP_LOGO, 0, fct_logo_cb); 1510 if (cmd == NULL) { 1511 stmf_trace(iport->iport_alias, 1512 "fct_implictly_logo_all: cmd null"); 1513 rw_exit(&iport->iport_lock); 1514 1515 return (nports); 1516 } 1517 1518 fct_post_implicit_logo(cmd); 1519 nports++; 1520 irp = irp->irp_next; 1521 } 1522 } 1523 rw_exit(&iport->iport_lock); 1524 1525 return (nports); 1526 } 1527 1528 void 1529 fct_rehash(fct_i_local_port_t *iport) 1530 { 1531 fct_i_remote_port_t **iport_rp_tb_tmp; 1532 fct_i_remote_port_t **iport_rp_tb_new; 1533 fct_i_remote_port_t *irp; 1534 fct_i_remote_port_t *irp_next; 1535 int i; 1536 1537 iport_rp_tb_new = kmem_zalloc(rportid_table_size * 1538 sizeof (fct_i_remote_port_t *), KM_SLEEP); 1539 rw_enter(&iport->iport_lock, RW_WRITER); 1540 /* reconstruct the hash table */ 1541 iport_rp_tb_tmp = iport->iport_rp_tb; 1542 iport->iport_rp_tb = iport_rp_tb_new; 1543 iport->iport_nrps = 0; 1544 for (i = 0; i < rportid_table_size; i++) { 1545 irp = iport_rp_tb_tmp[i]; 1546 while (irp) { 1547 irp_next = irp->irp_next; 1548 fct_queue_rp(iport, irp); 1549 irp = irp_next; 1550 } 1551 } 1552 rw_exit(&iport->iport_lock); 1553 kmem_free(iport_rp_tb_tmp, rportid_table_size * 1554 sizeof (fct_i_remote_port_t *)); 1555 1556 } 1557 1558 uint8_t 1559 fct_local_port_cleanup_done(fct_i_local_port_t *iport) 1560 { 1561 fct_i_remote_port_t *irp; 1562 int i; 1563 1564 if (iport->iport_nrps_login) 1565 return (0); 1566 /* loop all rps to check if the cmd have already been drained */ 1567 for (i = 0; i < rportid_table_size; i++) { 1568 irp = iport->iport_rp_tb[i]; 1569 while (irp) { 1570 if (irp->irp_fcp_xchg_count || 1571 irp->irp_nonfcp_xchg_count) 1572 return (0); 1573 irp = irp->irp_next; 1574 } 1575 } 1576 return (1); 1577 } 1578 1579 fct_cmd_t * 1580 fct_scsi_task_alloc(fct_local_port_t *port, uint16_t rp_handle, 1581 uint32_t rportid, uint8_t *lun, uint16_t cdb_length, 1582 uint16_t task_ext) 1583 { 1584 fct_cmd_t *cmd; 1585 fct_i_cmd_t *icmd; 1586 fct_i_local_port_t *iport = 1587 (fct_i_local_port_t *)port->port_fct_private; 1588 fct_i_remote_port_t *irp; 1589 scsi_task_t *task; 1590 fct_remote_port_t *rp; 1591 uint16_t cmd_slot; 1592 1593 rw_enter(&iport->iport_lock, RW_READER); 1594 if ((iport->iport_link_state & S_LINK_ONLINE) == 0) { 1595 rw_exit(&iport->iport_lock); 1596 stmf_trace(iport->iport_alias, "cmd alloc called while the port" 1597 " was offline"); 1598 return (NULL); 1599 } 1600 1601 if (rp_handle == FCT_HANDLE_NONE) { 1602 irp = fct_portid_to_portptr(iport, rportid); 1603 if (irp == NULL) { 1604 rw_exit(&iport->iport_lock); 1605 stmf_trace(iport->iport_alias, "cmd received from " 1606 "non existent port %x", rportid); 1607 return (NULL); 1608 } 1609 } else { 1610 if ((rp_handle >= port->port_max_logins) || 1611 ((irp = iport->iport_rp_slots[rp_handle]) == NULL)) { 1612 rw_exit(&iport->iport_lock); 1613 stmf_trace(iport->iport_alias, "cmd received from " 1614 "invalid port handle %x", rp_handle); 1615 return (NULL); 1616 } 1617 } 1618 rp = irp->irp_rp; 1619 1620 rw_enter(&irp->irp_lock, RW_READER); 1621 if ((irp->irp_flags & IRP_PRLI_DONE) == 0) { 1622 rw_exit(&irp->irp_lock); 1623 rw_exit(&iport->iport_lock); 1624 stmf_trace(iport->iport_alias, "cmd alloc called while fcp " 1625 "login was not done. portid=%x, rp=%p", rp->rp_id, rp); 1626 return (NULL); 1627 } 1628 1629 mutex_enter(&iport->iport_cached_cmd_lock); 1630 if ((icmd = iport->iport_cached_cmdlist) != NULL) { 1631 iport->iport_cached_cmdlist = icmd->icmd_next; 1632 iport->iport_cached_ncmds--; 1633 cmd = icmd->icmd_cmd; 1634 } else { 1635 icmd = NULL; 1636 } 1637 mutex_exit(&iport->iport_cached_cmd_lock); 1638 if (icmd == NULL) { 1639 cmd = (fct_cmd_t *)fct_alloc(FCT_STRUCT_CMD_FCP_XCHG, 1640 port->port_fca_fcp_cmd_size, 0); 1641 if (cmd == NULL) { 1642 rw_exit(&irp->irp_lock); 1643 rw_exit(&iport->iport_lock); 1644 stmf_trace(iport->iport_alias, "Ran out of " 1645 "memory, port=%p", port); 1646 return (NULL); 1647 } 1648 1649 icmd = (fct_i_cmd_t *)cmd->cmd_fct_private; 1650 icmd->icmd_next = NULL; 1651 cmd->cmd_port = port; 1652 atomic_add_32(&iport->iport_total_alloced_ncmds, 1); 1653 } 1654 1655 /* 1656 * The accuracy of iport_max_active_ncmds is not important 1657 */ 1658 if ((iport->iport_total_alloced_ncmds - iport->iport_cached_ncmds) > 1659 iport->iport_max_active_ncmds) { 1660 iport->iport_max_active_ncmds = 1661 iport->iport_total_alloced_ncmds - 1662 iport->iport_cached_ncmds; 1663 } 1664 1665 /* Lets get a slot */ 1666 cmd_slot = fct_alloc_cmd_slot(iport, cmd); 1667 if (cmd_slot == FCT_SLOT_EOL) { 1668 rw_exit(&irp->irp_lock); 1669 rw_exit(&iport->iport_lock); 1670 stmf_trace(iport->iport_alias, "Ran out of xchg resources"); 1671 cmd->cmd_handle = 0; 1672 fct_cmd_free(cmd); 1673 return (NULL); 1674 } 1675 atomic_add_16(&irp->irp_fcp_xchg_count, 1); 1676 cmd->cmd_rp = rp; 1677 icmd->icmd_flags |= ICMD_IN_TRANSITION | ICMD_KNOWN_TO_FCA; 1678 rw_exit(&irp->irp_lock); 1679 rw_exit(&iport->iport_lock); 1680 1681 icmd->icmd_start_time = ddi_get_lbolt(); 1682 1683 cmd->cmd_specific = stmf_task_alloc(port->port_lport, irp->irp_session, 1684 lun, cdb_length, task_ext); 1685 if ((task = (scsi_task_t *)cmd->cmd_specific) != NULL) { 1686 task->task_port_private = cmd; 1687 return (cmd); 1688 } 1689 1690 fct_cmd_free(cmd); 1691 1692 return (NULL); 1693 } 1694 1695 void 1696 fct_scsi_task_free(scsi_task_t *task) 1697 { 1698 fct_cmd_t *cmd = (fct_cmd_t *)task->task_port_private; 1699 1700 cmd->cmd_comp_status = task->task_completion_status; 1701 fct_cmd_free(cmd); 1702 } 1703 1704 void 1705 fct_post_rcvd_cmd(fct_cmd_t *cmd, stmf_data_buf_t *dbuf) 1706 { 1707 if (cmd->cmd_type == FCT_CMD_FCP_XCHG) { 1708 fct_i_cmd_t *icmd = (fct_i_cmd_t *)cmd->cmd_fct_private; 1709 fct_i_local_port_t *iport = 1710 (fct_i_local_port_t *)cmd->cmd_port->port_fct_private; 1711 fct_i_remote_port_t *irp = 1712 (fct_i_remote_port_t *)cmd->cmd_rp->rp_fct_private; 1713 scsi_task_t *task = (scsi_task_t *)cmd->cmd_specific; 1714 1715 uint16_t irp_task = irp->irp_fcp_xchg_count; 1716 uint32_t load = iport->iport_total_alloced_ncmds - 1717 iport->iport_cached_ncmds; 1718 1719 DTRACE_FC_4(scsi__command, 1720 fct_cmd_t, cmd, 1721 fct_i_local_port_t, iport, 1722 scsi_task_t, task, 1723 fct_i_remote_port_t, irp); 1724 1725 if (load >= iport->iport_task_green_limit) { 1726 if ((load < iport->iport_task_yellow_limit && 1727 irp_task >= 4) || 1728 (load >= iport->iport_task_yellow_limit && 1729 load < iport->iport_task_red_limit && 1730 irp_task >= 1) || 1731 (load >= iport->iport_task_red_limit)) 1732 task->task_additional_flags |= 1733 TASK_AF_PORT_LOAD_HIGH; 1734 } 1735 stmf_post_task((scsi_task_t *)cmd->cmd_specific, dbuf); 1736 atomic_and_32(&icmd->icmd_flags, ~ICMD_IN_TRANSITION); 1737 return; 1738 } 1739 /* We dont need dbuf for other cmds */ 1740 if (dbuf) { 1741 cmd->cmd_port->port_fds->fds_free_data_buf( 1742 cmd->cmd_port->port_fds, dbuf); 1743 dbuf = NULL; 1744 } 1745 if (cmd->cmd_type == FCT_CMD_RCVD_ELS) { 1746 fct_handle_els(cmd); 1747 return; 1748 } 1749 if (cmd->cmd_type == FCT_CMD_RCVD_ABTS) { 1750 fct_handle_rcvd_abts(cmd); 1751 return; 1752 } 1753 1754 ASSERT(0); 1755 } 1756 1757 /* 1758 * This function bypasses fct_handle_els() 1759 */ 1760 void 1761 fct_post_implicit_logo(fct_cmd_t *cmd) 1762 { 1763 fct_local_port_t *port = cmd->cmd_port; 1764 fct_i_local_port_t *iport = 1765 (fct_i_local_port_t *)port->port_fct_private; 1766 fct_i_cmd_t *icmd = (fct_i_cmd_t *)cmd->cmd_fct_private; 1767 fct_remote_port_t *rp = cmd->cmd_rp; 1768 fct_i_remote_port_t *irp = (fct_i_remote_port_t *)rp->rp_fct_private; 1769 1770 icmd->icmd_start_time = ddi_get_lbolt(); 1771 1772 rw_enter(&irp->irp_lock, RW_WRITER); 1773 atomic_or_32(&icmd->icmd_flags, ICMD_IMPLICIT_CMD_HAS_RESOURCE); 1774 atomic_add_16(&irp->irp_nonfcp_xchg_count, 1); 1775 atomic_add_16(&irp->irp_sa_elses_count, 1); 1776 /* 1777 * An implicit LOGO can also be posted to a irp where a PLOGI might 1778 * be in process. That PLOGI will reset this flag and decrement the 1779 * iport_nrps_login counter. 1780 */ 1781 if (irp->irp_flags & IRP_PLOGI_DONE) { 1782 atomic_add_32(&iport->iport_nrps_login, -1); 1783 } 1784 atomic_and_32(&irp->irp_flags, ~(IRP_PLOGI_DONE | IRP_PRLI_DONE)); 1785 atomic_or_32(&icmd->icmd_flags, ICMD_SESSION_AFFECTING); 1786 fct_post_to_discovery_queue(iport, irp, icmd); 1787 rw_exit(&irp->irp_lock); 1788 } 1789 1790 /* 1791 * called with iport_lock held, return the slot number 1792 */ 1793 uint16_t 1794 fct_alloc_cmd_slot(fct_i_local_port_t *iport, fct_cmd_t *cmd) 1795 { 1796 uint16_t cmd_slot; 1797 uint32_t old, new; 1798 fct_i_cmd_t *icmd = (fct_i_cmd_t *)cmd->cmd_fct_private; 1799 1800 do { 1801 old = iport->iport_next_free_slot; 1802 cmd_slot = old & 0xFFFF; 1803 if (cmd_slot == FCT_SLOT_EOL) 1804 return (cmd_slot); 1805 /* 1806 * We use high order 16 bits as a counter which keeps on 1807 * incrementing to avoid ABA issues with atomic lists. 1808 */ 1809 new = ((old + (0x10000)) & 0xFFFF0000); 1810 new |= iport->iport_cmd_slots[cmd_slot].slot_next; 1811 } while (atomic_cas_32(&iport->iport_next_free_slot, old, new) != old); 1812 1813 atomic_add_16(&iport->iport_nslots_free, -1); 1814 iport->iport_cmd_slots[cmd_slot].slot_cmd = icmd; 1815 cmd->cmd_handle = (uint32_t)cmd_slot | 0x80000000 | 1816 (((uint32_t)(iport->iport_cmd_slots[cmd_slot].slot_uniq_cntr)) 1817 << 24); 1818 return (cmd_slot); 1819 } 1820 1821 /* 1822 * If icmd is not NULL, irp_lock must be held 1823 */ 1824 void 1825 fct_post_to_discovery_queue(fct_i_local_port_t *iport, 1826 fct_i_remote_port_t *irp, fct_i_cmd_t *icmd) 1827 { 1828 fct_i_cmd_t **p; 1829 1830 ASSERT(!MUTEX_HELD(&iport->iport_worker_lock)); 1831 if (icmd) { 1832 icmd->icmd_next = NULL; 1833 for (p = &irp->irp_els_list; *p != NULL; 1834 p = &((*p)->icmd_next)) 1835 ; 1836 1837 *p = icmd; 1838 atomic_or_32(&icmd->icmd_flags, ICMD_IN_IRP_QUEUE); 1839 } 1840 1841 mutex_enter(&iport->iport_worker_lock); 1842 if ((irp->irp_flags & IRP_IN_DISCOVERY_QUEUE) == 0) { 1843 1844 /* 1845 * CAUTION: do not grab local_port/remote_port locks after 1846 * grabbing the worker lock. 1847 */ 1848 irp->irp_discovery_next = NULL; 1849 if (iport->iport_rpwe_tail) { 1850 iport->iport_rpwe_tail->irp_discovery_next = irp; 1851 iport->iport_rpwe_tail = irp; 1852 } else { 1853 iport->iport_rpwe_head = iport->iport_rpwe_tail = irp; 1854 } 1855 1856 atomic_or_32(&irp->irp_flags, IRP_IN_DISCOVERY_QUEUE); 1857 } 1858 1859 /* 1860 * We need always signal the port worker irrespective of the fact that 1861 * irp is already in discovery queue or not. 1862 */ 1863 if (IS_WORKER_SLEEPING(iport)) { 1864 cv_signal(&iport->iport_worker_cv); 1865 } 1866 mutex_exit(&iport->iport_worker_lock); 1867 } 1868 1869 stmf_status_t 1870 fct_xfer_scsi_data(scsi_task_t *task, stmf_data_buf_t *dbuf, uint32_t ioflags) 1871 { 1872 fct_cmd_t *cmd = (fct_cmd_t *)task->task_port_private; 1873 1874 DTRACE_FC_5(xfer__start, 1875 fct_cmd_t, cmd, 1876 fct_i_local_port_t, cmd->cmd_port->port_fct_private, 1877 scsi_task_t, task, 1878 fct_i_remote_port_t, cmd->cmd_rp->rp_fct_private, 1879 stmf_data_buf_t, dbuf); 1880 1881 return (cmd->cmd_port->port_xfer_scsi_data(cmd, dbuf, ioflags)); 1882 } 1883 1884 void 1885 fct_scsi_data_xfer_done(fct_cmd_t *cmd, stmf_data_buf_t *dbuf, uint32_t ioflags) 1886 { 1887 fct_i_cmd_t *icmd = (fct_i_cmd_t *)cmd->cmd_fct_private; 1888 uint32_t old, new; 1889 uint32_t iof = 0; 1890 1891 DTRACE_FC_5(xfer__done, 1892 fct_cmd_t, cmd, 1893 fct_i_local_port_t, cmd->cmd_port->port_fct_private, 1894 scsi_task_t, ((scsi_task_t *)cmd->cmd_specific), 1895 fct_i_remote_port_t, cmd->cmd_rp->rp_fct_private, 1896 stmf_data_buf_t, dbuf); 1897 1898 if (ioflags & FCT_IOF_FCA_DONE) { 1899 do { 1900 old = new = icmd->icmd_flags; 1901 if (old & ICMD_BEING_ABORTED) { 1902 return; 1903 } 1904 new &= ~ICMD_KNOWN_TO_FCA; 1905 } while (atomic_cas_32(&icmd->icmd_flags, old, new) != old); 1906 iof = STMF_IOF_LPORT_DONE; 1907 cmd->cmd_comp_status = dbuf->db_xfer_status; 1908 } 1909 1910 if (icmd->icmd_flags & ICMD_BEING_ABORTED) 1911 return; 1912 stmf_data_xfer_done((scsi_task_t *)cmd->cmd_specific, dbuf, iof); 1913 } 1914 1915 stmf_status_t 1916 fct_send_scsi_status(scsi_task_t *task, uint32_t ioflags) 1917 { 1918 fct_cmd_t *cmd = (fct_cmd_t *)task->task_port_private; 1919 1920 DTRACE_FC_4(scsi__response, 1921 fct_cmd_t, cmd, 1922 fct_i_local_port_t, 1923 (fct_i_local_port_t *)cmd->cmd_port->port_fct_private, 1924 scsi_task_t, task, 1925 fct_i_remote_port_t, 1926 (fct_i_remote_port_t *)cmd->cmd_rp->rp_fct_private); 1927 1928 return (cmd->cmd_port->port_send_cmd_response(cmd, ioflags)); 1929 } 1930 1931 void 1932 fct_send_response_done(fct_cmd_t *cmd, fct_status_t s, uint32_t ioflags) 1933 { 1934 fct_i_cmd_t *icmd = (fct_i_cmd_t *)cmd->cmd_fct_private; 1935 fct_local_port_t *port = cmd->cmd_port; 1936 fct_i_local_port_t *iport = (fct_i_local_port_t *) 1937 port->port_fct_private; 1938 uint32_t old, new; 1939 1940 if ((ioflags & FCT_IOF_FCA_DONE) == 0) { 1941 /* Until we support confirmed completions, this is an error */ 1942 fct_queue_cmd_for_termination(cmd, s); 1943 return; 1944 } 1945 do { 1946 old = new = icmd->icmd_flags; 1947 if (old & ICMD_BEING_ABORTED) { 1948 return; 1949 } 1950 new &= ~ICMD_KNOWN_TO_FCA; 1951 } while (atomic_cas_32(&icmd->icmd_flags, old, new) != old); 1952 1953 cmd->cmd_comp_status = s; 1954 if (cmd->cmd_type == FCT_CMD_FCP_XCHG) { 1955 stmf_send_status_done((scsi_task_t *)cmd->cmd_specific, s, 1956 STMF_IOF_LPORT_DONE); 1957 return; 1958 } 1959 1960 if (cmd->cmd_type == FCT_CMD_RCVD_ELS) { 1961 fct_cmd_free(cmd); 1962 return; 1963 } else if (cmd->cmd_type == FCT_CMD_SOL_ELS) { 1964 fct_handle_sol_els_completion(iport, icmd); 1965 } else if (cmd->cmd_type == FCT_CMD_SOL_CT) { 1966 /* Tell the caller that we are done */ 1967 atomic_or_32(&icmd->icmd_flags, ICMD_CMD_COMPLETE); 1968 } else { 1969 ASSERT(0); 1970 } 1971 } 1972 1973 void 1974 fct_cmd_free(fct_cmd_t *cmd) 1975 { 1976 char info[80]; 1977 fct_i_cmd_t *icmd = (fct_i_cmd_t *)cmd->cmd_fct_private; 1978 fct_local_port_t *port = cmd->cmd_port; 1979 fct_i_local_port_t *iport = (fct_i_local_port_t *) 1980 port->port_fct_private; 1981 fct_i_remote_port_t *irp = NULL; 1982 int do_abts_acc = 0; 1983 uint32_t old, new; 1984 1985 ASSERT(!mutex_owned(&iport->iport_worker_lock)); 1986 /* Give the slot back */ 1987 if (CMD_HANDLE_VALID(cmd->cmd_handle)) { 1988 uint16_t n = CMD_HANDLE_SLOT_INDEX(cmd->cmd_handle); 1989 fct_cmd_slot_t *slot; 1990 1991 /* 1992 * If anything went wrong, grab the lock as writer. This is 1993 * probably unnecessary. 1994 */ 1995 if ((cmd->cmd_comp_status != FCT_SUCCESS) || 1996 (icmd->icmd_flags & ICMD_ABTS_RECEIVED)) { 1997 rw_enter(&iport->iport_lock, RW_WRITER); 1998 } else { 1999 rw_enter(&iport->iport_lock, RW_READER); 2000 } 2001 2002 if ((icmd->icmd_flags & ICMD_ABTS_RECEIVED) && 2003 (cmd->cmd_link != NULL)) { 2004 do_abts_acc = 1; 2005 } 2006 2007 /* XXX Validate slot before freeing */ 2008 2009 slot = &iport->iport_cmd_slots[n]; 2010 slot->slot_uniq_cntr++; 2011 slot->slot_cmd = NULL; 2012 do { 2013 old = iport->iport_next_free_slot; 2014 slot->slot_next = old & 0xFFFF; 2015 new = (old + 0x10000) & 0xFFFF0000; 2016 new |= slot->slot_no; 2017 } while (atomic_cas_32(&iport->iport_next_free_slot, 2018 old, new) != old); 2019 cmd->cmd_handle = 0; 2020 atomic_add_16(&iport->iport_nslots_free, 1); 2021 if (cmd->cmd_rp) { 2022 irp = (fct_i_remote_port_t *) 2023 cmd->cmd_rp->rp_fct_private; 2024 if (cmd->cmd_type == FCT_CMD_FCP_XCHG) 2025 atomic_add_16(&irp->irp_fcp_xchg_count, -1); 2026 else 2027 atomic_add_16(&irp->irp_nonfcp_xchg_count, -1); 2028 } 2029 rw_exit(&iport->iport_lock); 2030 } else if ((icmd->icmd_flags & ICMD_IMPLICIT) && 2031 (icmd->icmd_flags & ICMD_IMPLICIT_CMD_HAS_RESOURCE)) { 2032 /* for implicit cmd, no cmd slot is used */ 2033 if (cmd->cmd_rp) { 2034 irp = (fct_i_remote_port_t *) 2035 cmd->cmd_rp->rp_fct_private; 2036 if (cmd->cmd_type == FCT_CMD_FCP_XCHG) 2037 atomic_add_16(&irp->irp_fcp_xchg_count, -1); 2038 else 2039 atomic_add_16(&irp->irp_nonfcp_xchg_count, -1); 2040 } 2041 } 2042 2043 if (do_abts_acc) { 2044 fct_cmd_t *lcmd = cmd->cmd_link; 2045 fct_fill_abts_acc(lcmd); 2046 if (port->port_send_cmd_response(lcmd, 2047 FCT_IOF_FORCE_FCA_DONE) != FCT_SUCCESS) { 2048 /* 2049 * XXX Throw HBA fatal error event 2050 * Later shutdown svc will terminate the ABTS in the end 2051 */ 2052 (void) snprintf(info, 80, 2053 "fct_cmd_free: iport-%p, ABTS_ACC" 2054 " port_send_cmd_response failed", (void *)iport); 2055 info[79] = 0; 2056 (void) fct_port_shutdown(iport->iport_port, 2057 STMF_RFLAG_FATAL_ERROR | STMF_RFLAG_RESET, info); 2058 return; 2059 } else { 2060 fct_cmd_free(lcmd); 2061 cmd->cmd_link = NULL; 2062 } 2063 } 2064 2065 /* Free the cmd */ 2066 if (cmd->cmd_type == FCT_CMD_FCP_XCHG) { 2067 if (iport->iport_cached_ncmds < max_cached_ncmds) { 2068 icmd->icmd_flags = 0; 2069 mutex_enter(&iport->iport_cached_cmd_lock); 2070 icmd->icmd_next = iport->iport_cached_cmdlist; 2071 iport->iport_cached_cmdlist = icmd; 2072 iport->iport_cached_ncmds++; 2073 mutex_exit(&iport->iport_cached_cmd_lock); 2074 } else { 2075 atomic_add_32(&iport->iport_total_alloced_ncmds, -1); 2076 fct_free(cmd); 2077 } 2078 } else { 2079 fct_free(cmd); 2080 } 2081 } 2082 2083 /* ARGSUSED */ 2084 stmf_status_t 2085 fct_scsi_abort(stmf_local_port_t *lport, int abort_cmd, void *arg, 2086 uint32_t flags) 2087 { 2088 stmf_status_t ret = STMF_SUCCESS; 2089 scsi_task_t *task; 2090 fct_cmd_t *cmd; 2091 fct_i_cmd_t *icmd; 2092 fct_local_port_t *port; 2093 uint32_t old, new; 2094 2095 ASSERT(abort_cmd == STMF_LPORT_ABORT_TASK); 2096 2097 task = (scsi_task_t *)arg; 2098 cmd = (fct_cmd_t *)task->task_port_private; 2099 icmd = (fct_i_cmd_t *)cmd->cmd_fct_private; 2100 port = (fct_local_port_t *)lport->lport_port_private; 2101 2102 do { 2103 old = new = icmd->icmd_flags; 2104 if ((old & ICMD_KNOWN_TO_FCA) == 0) 2105 return (STMF_NOT_FOUND); 2106 ASSERT((old & ICMD_FCA_ABORT_CALLED) == 0); 2107 new |= ICMD_BEING_ABORTED | ICMD_FCA_ABORT_CALLED; 2108 } while (atomic_cas_32(&icmd->icmd_flags, old, new) != old); 2109 ret = port->port_abort_cmd(port, cmd, 0); 2110 if ((ret == FCT_NOT_FOUND) || (ret == FCT_ABORT_SUCCESS)) { 2111 atomic_and_32(&icmd->icmd_flags, ~ICMD_KNOWN_TO_FCA); 2112 } else if (ret == FCT_BUSY) { 2113 atomic_and_32(&icmd->icmd_flags, ~ICMD_FCA_ABORT_CALLED); 2114 } 2115 2116 return (ret); 2117 } 2118 2119 void 2120 fct_ctl(struct stmf_local_port *lport, int cmd, void *arg) 2121 { 2122 fct_local_port_t *port; 2123 fct_i_local_port_t *iport; 2124 stmf_change_status_t st; 2125 stmf_change_status_t *pst; 2126 2127 ASSERT((cmd == STMF_CMD_LPORT_ONLINE) || 2128 (cmd == STMF_ACK_LPORT_ONLINE_COMPLETE) || 2129 (cmd == STMF_CMD_LPORT_OFFLINE) || 2130 (cmd == STMF_ACK_LPORT_OFFLINE_COMPLETE) || 2131 (cmd == FCT_CMD_PORT_ONLINE_COMPLETE) || 2132 (cmd == FCT_CMD_PORT_OFFLINE_COMPLETE)); 2133 2134 port = (fct_local_port_t *)lport->lport_port_private; 2135 pst = (stmf_change_status_t *)arg; 2136 st.st_completion_status = STMF_SUCCESS; 2137 st.st_additional_info = NULL; 2138 2139 iport = (fct_i_local_port_t *)port->port_fct_private; 2140 /* 2141 * We are mostly a passthrough, except during offline. 2142 */ 2143 switch (cmd) { 2144 case STMF_CMD_LPORT_ONLINE: 2145 if (iport->iport_state == FCT_STATE_ONLINE) 2146 st.st_completion_status = STMF_ALREADY; 2147 else if (iport->iport_state != FCT_STATE_OFFLINE) 2148 st.st_completion_status = STMF_INVALID_ARG; 2149 if (st.st_completion_status != STMF_SUCCESS) { 2150 (void) stmf_ctl(STMF_CMD_LPORT_ONLINE_COMPLETE, lport, 2151 &st); 2152 break; 2153 } 2154 iport->iport_state_not_acked = 1; 2155 iport->iport_state = FCT_STATE_ONLINING; 2156 port->port_ctl(port, FCT_CMD_PORT_ONLINE, arg); 2157 break; 2158 case FCT_CMD_PORT_ONLINE_COMPLETE: 2159 ASSERT(iport->iport_state == FCT_STATE_ONLINING); 2160 if (pst->st_completion_status != FCT_SUCCESS) { 2161 iport->iport_state = FCT_STATE_OFFLINE; 2162 iport->iport_state_not_acked = 0; 2163 } else { 2164 iport->iport_state = FCT_STATE_ONLINE; 2165 } 2166 (void) stmf_ctl(STMF_CMD_LPORT_ONLINE_COMPLETE, lport, arg); 2167 break; 2168 case STMF_ACK_LPORT_ONLINE_COMPLETE: 2169 ASSERT(iport->iport_state == FCT_STATE_ONLINE); 2170 iport->iport_state_not_acked = 0; 2171 port->port_ctl(port, FCT_ACK_PORT_ONLINE_COMPLETE, arg); 2172 break; 2173 2174 case STMF_CMD_LPORT_OFFLINE: 2175 if (iport->iport_state == FCT_STATE_OFFLINE) 2176 st.st_completion_status = STMF_ALREADY; 2177 else if (iport->iport_state != FCT_STATE_ONLINE) 2178 st.st_completion_status = STMF_INVALID_ARG; 2179 if (st.st_completion_status != STMF_SUCCESS) { 2180 (void) stmf_ctl(STMF_CMD_LPORT_OFFLINE_COMPLETE, lport, 2181 &st); 2182 break; 2183 } 2184 iport->iport_state_not_acked = 1; 2185 iport->iport_state = FCT_STATE_OFFLINING; 2186 port->port_ctl(port, FCT_CMD_PORT_OFFLINE, arg); 2187 break; 2188 case FCT_CMD_PORT_OFFLINE_COMPLETE: 2189 ASSERT(iport->iport_state == FCT_STATE_OFFLINING); 2190 if (pst->st_completion_status != FCT_SUCCESS) { 2191 iport->iport_state = FCT_STATE_ONLINE; 2192 iport->iport_state_not_acked = 0; 2193 (void) stmf_ctl(STMF_CMD_LPORT_OFFLINE_COMPLETE, lport, 2194 pst); 2195 break; 2196 } 2197 2198 /* 2199 * If FCA's offline was successful, we dont tell stmf yet. 2200 * Becasue now we have to do the cleanup before we go upto 2201 * stmf. That cleanup is done by the worker thread. 2202 */ 2203 2204 /* FCA is offline, post a link down, its harmless anyway */ 2205 fct_handle_event(port, FCT_EVENT_LINK_DOWN, 0, 0); 2206 2207 /* Trigger port offline processing by the worker */ 2208 iport->iport_offline_prstate = FCT_OPR_START; 2209 break; 2210 case STMF_ACK_LPORT_OFFLINE_COMPLETE: 2211 ASSERT(iport->iport_state == FCT_STATE_OFFLINE); 2212 iport->iport_state_not_acked = 0; 2213 port->port_ctl(port, FCT_ACK_PORT_OFFLINE_COMPLETE, arg); 2214 break; 2215 } 2216 } 2217 2218 /* ARGSUSED */ 2219 stmf_status_t 2220 fct_info(uint32_t cmd, stmf_local_port_t *lport, void *arg, uint8_t *buf, 2221 uint32_t *bufsizep) 2222 { 2223 return (STMF_NOT_SUPPORTED); 2224 } 2225 2226 /* 2227 * implicit: if it's true, it means it will only be used in fct module, or else 2228 * it will be sent to the link. 2229 */ 2230 fct_cmd_t * 2231 fct_create_solels(fct_local_port_t *port, fct_remote_port_t *rp, int implicit, 2232 uchar_t elsop, uint32_t wkdid, fct_icmd_cb_t icmdcb) 2233 { 2234 fct_cmd_t *cmd = NULL; 2235 fct_i_cmd_t *icmd = NULL; 2236 fct_els_t *els = NULL; 2237 fct_i_remote_port_t *irp = NULL; 2238 uint8_t *p = NULL; 2239 uint32_t ptid = 0; 2240 2241 cmd = (fct_cmd_t *)fct_alloc(FCT_STRUCT_CMD_SOL_ELS, 2242 port->port_fca_sol_els_private_size, 0); 2243 if (!cmd) { 2244 return (NULL); 2245 } 2246 2247 if (rp) { 2248 irp = RP_TO_IRP(rp); 2249 } else if (((irp = fct_portid_to_portptr(PORT_TO_IPORT(port), 2250 wkdid)) == NULL) && (elsop != ELS_OP_PLOGI)) { 2251 stmf_trace(PORT_TO_IPORT(port)->iport_alias, 2252 "fct_create_solels: Must PLOGI to %x first", wkdid); 2253 fct_free(cmd); 2254 return (NULL); 2255 } 2256 2257 cmd->cmd_port = port; 2258 cmd->cmd_oxid = PTR2INT(cmd, uint16_t); 2259 cmd->cmd_rxid = 0xFFFF; 2260 cmd->cmd_handle = 0; 2261 icmd = CMD_TO_ICMD(cmd); 2262 els = ICMD_TO_ELS(icmd); 2263 icmd->icmd_cb = icmdcb; 2264 if (irp) { 2265 cmd->cmd_rp = irp->irp_rp; 2266 cmd->cmd_rp_handle = irp->irp_rp->rp_handle; 2267 cmd->cmd_rportid = irp->irp_rp->rp_id; 2268 } else { 2269 cmd->cmd_rp_handle = FCT_HANDLE_NONE; 2270 cmd->cmd_rportid = wkdid; 2271 } 2272 cmd->cmd_lportid = (PORT_TO_IPORT(port))->iport_link_info.portid; 2273 2274 if (implicit) { 2275 /* 2276 * Since we will not send it to FCA, so we only allocate space 2277 */ 2278 ASSERT(elsop & (ELS_OP_LOGO | ELS_OP_PLOGI)); 2279 icmd->icmd_flags |= ICMD_IMPLICIT; 2280 if (elsop == ELS_OP_LOGO) { 2281 /* 2282 * Handling implicit LOGO should dependent on as less 2283 * as resources. So a trick here. 2284 */ 2285 els->els_req_size = 1; 2286 els->els_req_payload = cmd->cmd_fca_private; 2287 } else { 2288 els->els_req_alloc_size = els->els_req_size = 116; 2289 els->els_resp_alloc_size = els->els_resp_size = 116; 2290 els->els_req_payload = (uint8_t *) 2291 kmem_zalloc(els->els_req_size, KM_SLEEP); 2292 els->els_resp_payload = (uint8_t *) 2293 kmem_zalloc(els->els_resp_size, KM_SLEEP); 2294 } 2295 } else { 2296 /* 2297 * Allocate space for its request and response 2298 * Fill the request payload according to spec. 2299 */ 2300 switch (elsop) { 2301 case ELS_OP_LOGO: 2302 els->els_resp_alloc_size = els->els_resp_size = 4; 2303 els->els_resp_payload = (uint8_t *)kmem_zalloc( 2304 els->els_resp_size, KM_SLEEP); 2305 els->els_req_alloc_size = els->els_req_size = 16; 2306 els->els_req_payload = (uint8_t *)kmem_zalloc( 2307 els->els_req_size, KM_SLEEP); 2308 ptid = PORT_TO_IPORT(port)->iport_link_info.portid; 2309 fct_value_to_netbuf(ptid, els->els_req_payload + 5, 3); 2310 bcopy(port->port_pwwn, els->els_req_payload + 8, 8); 2311 break; 2312 2313 case ELS_OP_RSCN: 2314 els->els_resp_alloc_size = els->els_resp_size = 4; 2315 els->els_resp_payload = (uint8_t *)kmem_zalloc( 2316 els->els_resp_size, KM_SLEEP); 2317 els->els_req_size = els->els_req_alloc_size = 8; 2318 els->els_req_payload = (uint8_t *)kmem_zalloc( 2319 els->els_req_size, KM_SLEEP); 2320 els->els_req_payload[1] = 0x04; 2321 els->els_req_payload[3] = 0x08; 2322 els->els_req_payload[4] |= 0x80; 2323 ptid = PORT_TO_IPORT(port)->iport_link_info.portid; 2324 fct_value_to_netbuf(ptid, els->els_req_payload + 5, 3); 2325 break; 2326 2327 case ELS_OP_PLOGI: 2328 els->els_resp_alloc_size = els->els_resp_size = 116; 2329 els->els_resp_payload = (uint8_t *) 2330 kmem_zalloc(els->els_resp_size, KM_SLEEP); 2331 els->els_req_alloc_size = els->els_req_size = 116; 2332 p = els->els_req_payload = (uint8_t *) 2333 kmem_zalloc(els->els_req_size, KM_SLEEP); 2334 bcopy(port->port_pwwn, p + 20, 8); 2335 bcopy(port->port_nwwn, p + 28, 8); 2336 2337 /* 2338 * Common service parameters 2339 */ 2340 p[0x04] = 0x09; /* high version */ 2341 p[0x05] = 0x08; /* low version */ 2342 p[0x06] = 0x00; /* BB credit: 0x0065 */ 2343 p[0x07] = 0x65; 2344 2345 /* CI0: Continuously Increasing Offset - 1 */ 2346 /* RRO: Randomly Relative Offset - 0 */ 2347 /* VVV: Vendor Version Level - 0 */ 2348 /* N-F: N or F Port Payload Sender - 0 (N) */ 2349 /* BBM: BB Credit Management - 0 (Normal) */ 2350 p[0x08] = 0x80; 2351 p[0x09] = 0x00; 2352 2353 /* Max RX size */ 2354 p[0x0A] = 0x08; 2355 p[0x0B] = 0x00; 2356 2357 /* NPTCS: N Port Total Concurrent Sequences - 0x0000 */ 2358 p[0x0C] = 0x00; 2359 p[0x0D] = 0x00; 2360 2361 /* ROIC: Relative Offset By Info - 0xFFFF */ 2362 p[0x0E] = 0xFF; 2363 p[0x0F] = 0xFF; 2364 2365 /* EDTOV: Error Detect Timeout - 0x000007D0 */ 2366 p[0x10] = 0x00; 2367 p[0x11] = 0x00; 2368 p[0x12] = 0x07; 2369 p[0x13] = 0xD0; 2370 2371 /* 2372 * Class-3 Parameters 2373 */ 2374 /* C3-VAL: Class 3 Value - 1 */ 2375 /* C3-XID: X_ID Reassignment - 0 */ 2376 /* C3-IPA: Initial Process Assignment */ 2377 /* C3-AI-DCC: Data compression capable */ 2378 /* C3-AI-DC-HB: Data compression history buffer size */ 2379 /* C3-AI-DCE: Data encrytion capable */ 2380 /* C3-AI-CSC: Clock synchronization capable */ 2381 /* C3-ErrPol: Error pliciy */ 2382 /* C3-CatSeq: Information Cat. Per Sequence */ 2383 /* C3-AR-DCC: */ 2384 /* C3-AR-DC-HB: */ 2385 /* C3-AR-DCE: */ 2386 /* C3-AR-CSC */ 2387 p[0x44] = 0x80; 2388 p[0x45] = 0x00; 2389 p[0x46] = 0x00; 2390 p[0x47] = 0x00; 2391 p[0x48] = 0x00; 2392 p[0x49] = 0x00; 2393 2394 /* C3-RxSize: Class 3 receive data size */ 2395 p[0x4A] = 0x08; 2396 p[0x4B] = 0x00; 2397 2398 /* C3-ConSeq: Class 3 Concourrent sequences */ 2399 p[0x4C] = 0x00; 2400 p[0x4D] = 0xFF; 2401 2402 /* C3-OSPE: Class 3 open sequence per exchange */ 2403 p[0x50] = 0x00; 2404 p[0x51] = 0x01; 2405 2406 break; 2407 2408 case ELS_OP_SCR: 2409 els->els_resp_alloc_size = els->els_resp_size = 4; 2410 els->els_resp_payload = (uint8_t *) 2411 kmem_zalloc(els->els_resp_size, KM_SLEEP); 2412 els->els_req_alloc_size = els->els_req_size = 8; 2413 p = els->els_req_payload = (uint8_t *) 2414 kmem_zalloc(els->els_req_size, KM_SLEEP); 2415 p[7] = FC_SCR_FULL_REGISTRATION; 2416 break; 2417 case ELS_OP_RLS: 2418 els->els_resp_alloc_size = els->els_resp_size = 28; 2419 els->els_resp_payload = (uint8_t *) 2420 kmem_zalloc(els->els_resp_size, KM_SLEEP); 2421 els->els_req_alloc_size = els->els_req_size = 8; 2422 p = els->els_req_payload = (uint8_t *) 2423 kmem_zalloc(els->els_req_size, KM_SLEEP); 2424 ptid = PORT_TO_IPORT(port)->iport_link_info.portid; 2425 fct_value_to_netbuf(ptid, els->els_req_payload + 5, 3); 2426 break; 2427 2428 default: 2429 ASSERT(0); 2430 } 2431 } 2432 2433 els->els_req_payload[0] = elsop; 2434 return (cmd); 2435 } 2436 2437 fct_cmd_t * 2438 fct_create_solct(fct_local_port_t *port, fct_remote_port_t *query_rp, 2439 uint16_t ctop, fct_icmd_cb_t icmdcb) 2440 { 2441 fct_cmd_t *cmd = NULL; 2442 fct_i_cmd_t *icmd = NULL; 2443 fct_sol_ct_t *ct = NULL; 2444 uint8_t *p = NULL; 2445 fct_i_remote_port_t *irp = NULL; 2446 fct_i_local_port_t *iport = NULL; 2447 char *nname = NULL; 2448 int namelen = 0; 2449 2450 /* 2451 * Allocate space 2452 */ 2453 cmd = fct_alloc(FCT_STRUCT_CMD_SOL_CT, 2454 port->port_fca_sol_ct_private_size, 0); 2455 if (!cmd) { 2456 return (NULL); 2457 } 2458 2459 /* 2460 * We should have PLOGIed to the name server (0xFFFFFC) 2461 * Caution: this irp is not query_rp->rp_fct_private. 2462 */ 2463 irp = fct_portid_to_portptr((fct_i_local_port_t *) 2464 port->port_fct_private, FS_NAME_SERVER); 2465 if (irp == NULL) { 2466 stmf_trace(PORT_TO_IPORT(port)->iport_alias, 2467 "fct_create_solct: Must PLOGI name server first"); 2468 fct_free(cmd); 2469 return (NULL); 2470 } 2471 2472 cmd->cmd_port = port; 2473 cmd->cmd_rp = irp->irp_rp; 2474 cmd->cmd_rp_handle = irp->irp_rp->rp_handle; 2475 cmd->cmd_rportid = irp->irp_rp->rp_id; 2476 cmd->cmd_lportid = (PORT_TO_IPORT(port))->iport_link_info.portid; 2477 cmd->cmd_oxid = PTR2INT(cmd, uint16_t); 2478 cmd->cmd_rxid = 0xFFFF; 2479 cmd->cmd_handle = 0; 2480 icmd = CMD_TO_ICMD(cmd); 2481 ct = ICMD_TO_CT(icmd); 2482 icmd->icmd_cb = icmdcb; 2483 iport = ICMD_TO_IPORT(icmd); 2484 2485 switch (ctop) { 2486 case NS_GSNN_NN: 2487 /* 2488 * Allocate max space for its sybolic name 2489 */ 2490 ct->ct_resp_alloc_size = ct->ct_resp_size = 272; 2491 ct->ct_resp_payload = (uint8_t *)kmem_zalloc(ct->ct_resp_size, 2492 KM_SLEEP); 2493 2494 ct->ct_req_size = ct->ct_req_alloc_size = 24; 2495 p = ct->ct_req_payload = (uint8_t *)kmem_zalloc(ct->ct_req_size, 2496 KM_SLEEP); 2497 2498 bcopy(query_rp->rp_nwwn, p + 16, 8); 2499 break; 2500 2501 case NS_RNN_ID: 2502 ct->ct_resp_alloc_size = ct->ct_resp_size = 16; 2503 ct->ct_resp_payload = (uint8_t *)kmem_zalloc(ct->ct_resp_size, 2504 KM_SLEEP); 2505 ct->ct_req_size = ct->ct_req_alloc_size = 28; 2506 p = ct->ct_req_payload = (uint8_t *)kmem_zalloc(ct->ct_req_size, 2507 KM_SLEEP); 2508 2509 /* 2510 * Port Identifier 2511 */ 2512 p[17] = (iport->iport_link_info.portid >> 16) & 0xFF; 2513 p[18] = (iport->iport_link_info.portid >> 8) & 0xFF; 2514 p[19] = (iport->iport_link_info.portid >> 0) & 0xFF; 2515 2516 /* 2517 * Node Name 2518 */ 2519 bcopy(port->port_nwwn, p + 20, 8); 2520 break; 2521 2522 case NS_RCS_ID: 2523 ct->ct_resp_alloc_size = ct->ct_resp_size = 16; 2524 ct->ct_resp_payload = (uint8_t *)kmem_zalloc(ct->ct_resp_size, 2525 KM_SLEEP); 2526 ct->ct_req_size = ct->ct_req_alloc_size = 24; 2527 p = ct->ct_req_payload = (uint8_t *)kmem_zalloc(ct->ct_req_size, 2528 KM_SLEEP); 2529 2530 /* 2531 * Port Identifier 2532 */ 2533 p[17] = (iport->iport_link_info.portid >> 16) & 0xFF; 2534 p[18] = (iport->iport_link_info.portid >> 8) & 0xFF; 2535 p[19] = (iport->iport_link_info.portid >> 0) & 0xFF; 2536 2537 /* 2538 * Class of Service 2539 */ 2540 *(p + 23) = FC_NS_CLASS3; 2541 break; 2542 2543 case NS_RFT_ID: 2544 ct->ct_resp_alloc_size = ct->ct_resp_size = 16; 2545 ct->ct_resp_payload = (uint8_t *)kmem_zalloc(ct->ct_resp_size, 2546 KM_SLEEP); 2547 ct->ct_req_size = ct->ct_req_alloc_size = 52; 2548 p = ct->ct_req_payload = (uint8_t *)kmem_zalloc(ct->ct_req_size, 2549 KM_SLEEP); 2550 2551 /* 2552 * Port Identifier 2553 */ 2554 p[17] = (iport->iport_link_info.portid >> 16) & 0xFF; 2555 p[18] = (iport->iport_link_info.portid >> 8) & 0xFF; 2556 p[19] = (iport->iport_link_info.portid >> 0) & 0xFF; 2557 2558 /* 2559 * FC-4 Protocol Types 2560 */ 2561 *(p + 22) = 0x1; /* 0x100 */ 2562 break; 2563 2564 case NS_RSPN_ID: 2565 /* 2566 * If we get here, port->port_sym_port_name is always not NULL. 2567 */ 2568 ASSERT(port->port_sym_port_name); 2569 namelen = strlen(port->port_sym_port_name); 2570 ct->ct_resp_alloc_size = ct->ct_resp_size = 16; 2571 ct->ct_resp_payload = (uint8_t *)kmem_zalloc(ct->ct_resp_size, 2572 KM_SLEEP); 2573 ct->ct_req_size = ct->ct_req_alloc_size = 2574 (21 + namelen + 3) & ~3; 2575 p = ct->ct_req_payload = (uint8_t *)kmem_zalloc(ct->ct_req_size, 2576 KM_SLEEP); 2577 2578 /* 2579 * Port Identifier 2580 */ 2581 p[17] = (iport->iport_link_info.portid >> 16) & 0xFF; 2582 p[18] = (iport->iport_link_info.portid >> 8) & 0xFF; 2583 p[19] = (iport->iport_link_info.portid >> 0) & 0xFF; 2584 2585 /* 2586 * String length 2587 */ 2588 p[20] = namelen; 2589 2590 /* 2591 * Symbolic port name 2592 */ 2593 bcopy(port->port_sym_port_name, p + 21, ct->ct_req_size - 21); 2594 break; 2595 2596 case NS_RSNN_NN: 2597 namelen = port->port_sym_node_name == NULL ? 2598 strlen(utsname.nodename) : 2599 strlen(port->port_sym_node_name); 2600 nname = port->port_sym_node_name == NULL ? 2601 utsname.nodename : port->port_sym_node_name; 2602 2603 ct->ct_resp_alloc_size = ct->ct_resp_size = 16; 2604 ct->ct_resp_payload = (uint8_t *)kmem_zalloc(ct->ct_resp_size, 2605 KM_SLEEP); 2606 ct->ct_req_size = ct->ct_req_alloc_size = 2607 (25 + namelen + 3) & ~3; 2608 p = ct->ct_req_payload = (uint8_t *)kmem_zalloc(ct->ct_req_size, 2609 KM_SLEEP); 2610 2611 /* 2612 * Node name 2613 */ 2614 bcopy(port->port_nwwn, p + 16, 8); 2615 2616 /* 2617 * String length 2618 */ 2619 p[24] = namelen; 2620 2621 /* 2622 * Symbolic node name 2623 */ 2624 bcopy(nname, p + 25, ct->ct_req_size - 25); 2625 break; 2626 2627 case NS_GSPN_ID: 2628 ct->ct_resp_alloc_size = ct->ct_resp_size = 272; 2629 ct->ct_resp_payload = (uint8_t *)kmem_zalloc(ct->ct_resp_size, 2630 KM_SLEEP); 2631 ct->ct_req_size = ct->ct_req_alloc_size = 20; 2632 p = ct->ct_req_payload = (uint8_t *)kmem_zalloc(ct->ct_req_size, 2633 KM_SLEEP); 2634 /* 2635 * Port Identifier 2636 */ 2637 p[17] = (query_rp->rp_id >> 16) & 0xFF; 2638 p[18] = (query_rp->rp_id >> 8) & 0xFF; 2639 p[19] = (query_rp->rp_id >> 0) & 0xFF; 2640 break; 2641 2642 case NS_GCS_ID: 2643 ct->ct_resp_alloc_size = ct->ct_resp_size = 20; 2644 ct->ct_resp_payload = (uint8_t *)kmem_zalloc(ct->ct_resp_size, 2645 KM_SLEEP); 2646 ct->ct_req_size = ct->ct_req_alloc_size = 20; 2647 p = ct->ct_req_payload = (uint8_t *)kmem_zalloc(ct->ct_req_size, 2648 KM_SLEEP); 2649 /* 2650 * Port Identifier 2651 */ 2652 p[17] = (query_rp->rp_id >> 16) & 0xFF; 2653 p[18] = (query_rp->rp_id >> 8) & 0xFF; 2654 p[19] = (query_rp->rp_id >> 0) & 0xFF; 2655 break; 2656 2657 case NS_GFT_ID: 2658 ct->ct_resp_alloc_size = ct->ct_resp_size = 48; 2659 ct->ct_resp_payload = (uint8_t *)kmem_zalloc(ct->ct_resp_size, 2660 KM_SLEEP); 2661 ct->ct_req_size = ct->ct_req_alloc_size = 20; 2662 p = ct->ct_req_payload = (uint8_t *)kmem_zalloc(ct->ct_req_size, 2663 KM_SLEEP); 2664 /* 2665 * Port Identifier 2666 */ 2667 p[17] = (query_rp->rp_id >> 16) & 0xFF; 2668 p[18] = (query_rp->rp_id >> 8) & 0xFF; 2669 p[19] = (query_rp->rp_id >> 0) & 0xFF; 2670 break; 2671 2672 case NS_GID_PN: 2673 ct->ct_resp_alloc_size = ct->ct_resp_size = 20; 2674 ct->ct_resp_payload = (uint8_t *)kmem_zalloc(ct->ct_resp_size, 2675 KM_SLEEP); 2676 2677 ct->ct_req_size = ct->ct_req_alloc_size = 24; 2678 p = ct->ct_req_payload = (uint8_t *)kmem_zalloc(ct->ct_req_size, 2679 KM_SLEEP); 2680 2681 bcopy(query_rp->rp_pwwn, p + 16, 8); 2682 break; 2683 2684 default: 2685 /* CONSTCOND */ 2686 ASSERT(0); 2687 } 2688 2689 FCT_FILL_CTIU_PREAMPLE(p, ctop); 2690 return (cmd); 2691 } 2692 2693 /* 2694 * Cmd can only be solicited CT/ELS. They will be dispatched to the discovery 2695 * queue eventually too. 2696 * We queue solicited cmds here to track solicited cmds and to take full use 2697 * of single thread mechanism. 2698 * But in current implmentation, we don't use this mechanism on SOL_CT, PLOGI. 2699 * To avoid to interrupt current flow, ICMD_IN_SOLCMD_QUEUE is used here. 2700 */ 2701 void 2702 fct_post_to_solcmd_queue(fct_local_port_t *port, fct_cmd_t *cmd) 2703 { 2704 fct_i_local_port_t *iport = (fct_i_local_port_t *) 2705 port->port_fct_private; 2706 fct_i_cmd_t *icmd = (fct_i_cmd_t *)cmd->cmd_fct_private; 2707 2708 mutex_enter(&iport->iport_worker_lock); 2709 icmd->icmd_solcmd_next = iport->iport_solcmd_queue; 2710 iport->iport_solcmd_queue = icmd; 2711 atomic_or_32(&icmd->icmd_flags, ICMD_IN_SOLCMD_QUEUE | ICMD_SOLCMD_NEW); 2712 if (IS_WORKER_SLEEPING(iport)) { 2713 cv_signal(&iport->iport_worker_cv); 2714 } 2715 mutex_exit(&iport->iport_worker_lock); 2716 } 2717 2718 /* ARGSUSED */ 2719 void 2720 fct_event_handler(stmf_local_port_t *lport, int eventid, void *arg, 2721 uint32_t flags) 2722 { 2723 fct_local_port_t *port = (fct_local_port_t *) 2724 lport->lport_port_private; 2725 fct_i_local_port_t *iport = (fct_i_local_port_t *) 2726 port->port_fct_private; 2727 stmf_scsi_session_t *ss; 2728 fct_i_remote_port_t *irp; 2729 2730 switch (eventid) { 2731 case LPORT_EVENT_INITIAL_LUN_MAPPED: 2732 ss = (stmf_scsi_session_t *)arg; 2733 irp = (fct_i_remote_port_t *)ss->ss_port_private; 2734 stmf_trace(iport->iport_alias, 2735 "Initial LUN mapped to session ss-%p, irp-%p", ss, irp); 2736 break; 2737 2738 default: 2739 stmf_trace(iport->iport_alias, 2740 "Unknown event received, %d", eventid); 2741 } 2742 } 2743 2744 void 2745 fct_send_cmd_done(fct_cmd_t *cmd, fct_status_t s, uint32_t ioflags) 2746 { 2747 /* XXX For now just call send_resp_done() */ 2748 fct_send_response_done(cmd, s, ioflags); 2749 } 2750 2751 void 2752 fct_cmd_fca_aborted(fct_cmd_t *cmd, fct_status_t s, uint32_t ioflags) 2753 { 2754 fct_i_cmd_t *icmd = (fct_i_cmd_t *)cmd->cmd_fct_private; 2755 char info[160]; 2756 unsigned long long st; 2757 2758 st = s; /* To make gcc happy */ 2759 ASSERT(icmd->icmd_flags & ICMD_BEING_ABORTED); 2760 if ((((s != FCT_ABORT_SUCCESS) && (s != FCT_NOT_FOUND))) || 2761 ((ioflags & FCT_IOF_FCA_DONE) == 0)) { 2762 (void) snprintf(info, 160, "fct_cmd_fca_aborted: cmd-%p, " 2763 "s-%llx, iofalgs-%x", (void *)cmd, st, ioflags); 2764 info[159] = 0; 2765 (void) fct_port_shutdown(cmd->cmd_port, 2766 STMF_RFLAG_FATAL_ERROR | STMF_RFLAG_RESET, info); 2767 return; 2768 } 2769 2770 atomic_and_32(&icmd->icmd_flags, ~ICMD_KNOWN_TO_FCA); 2771 /* For non FCP Rest of the work is done by the terminator */ 2772 /* For FCP stuff just call stmf */ 2773 if (cmd->cmd_type == FCT_CMD_FCP_XCHG) { 2774 stmf_task_lport_aborted((scsi_task_t *)cmd->cmd_specific, 2775 s, STMF_IOF_LPORT_DONE); 2776 } 2777 } 2778 2779 /* 2780 * FCA drivers will use it, when they want to abort some FC transactions 2781 * due to lack of resource. 2782 */ 2783 uint16_t 2784 fct_get_rp_handle(fct_local_port_t *port, uint32_t rportid) 2785 { 2786 fct_i_remote_port_t *irp; 2787 2788 irp = fct_portid_to_portptr( 2789 (fct_i_local_port_t *)(port->port_fct_private), rportid); 2790 if (irp == NULL) { 2791 return (0xFFFF); 2792 } else { 2793 return (irp->irp_rp->rp_handle); 2794 } 2795 } 2796 2797 fct_cmd_t * 2798 fct_handle_to_cmd(fct_local_port_t *port, uint32_t fct_handle) 2799 { 2800 fct_cmd_slot_t *slot; 2801 uint16_t ndx; 2802 2803 if (!CMD_HANDLE_VALID(fct_handle)) 2804 return (NULL); 2805 if ((ndx = CMD_HANDLE_SLOT_INDEX(fct_handle)) >= port->port_max_xchges) 2806 return (NULL); 2807 2808 slot = &((fct_i_local_port_t *)port->port_fct_private)->iport_cmd_slots[ 2809 ndx]; 2810 2811 if ((slot->slot_uniq_cntr | 0x80) != (fct_handle >> 24)) 2812 return (NULL); 2813 return (slot->slot_cmd->icmd_cmd); 2814 } 2815 2816 void 2817 fct_queue_scsi_task_for_termination(fct_cmd_t *cmd, fct_status_t s) 2818 { 2819 fct_i_cmd_t *icmd = (fct_i_cmd_t *)cmd->cmd_fct_private; 2820 2821 uint32_t old, new; 2822 2823 do { 2824 old = icmd->icmd_flags; 2825 if ((old & (ICMD_BEING_ABORTED | ICMD_KNOWN_TO_FCA)) != 2826 ICMD_KNOWN_TO_FCA) 2827 return; 2828 new = old | ICMD_BEING_ABORTED; 2829 } while (atomic_cas_32(&icmd->icmd_flags, old, new) != old); 2830 stmf_abort(STMF_QUEUE_TASK_ABORT, (scsi_task_t *)cmd->cmd_specific, 2831 s, NULL); 2832 } 2833 2834 void 2835 fct_fill_abts_acc(fct_cmd_t *cmd) 2836 { 2837 fct_rcvd_abts_t *abts = (fct_rcvd_abts_t *)cmd->cmd_specific; 2838 uint8_t *p; 2839 2840 abts->abts_resp_rctl = BLS_OP_BA_ACC; 2841 p = abts->abts_resp_payload; 2842 bzero(p, 12); 2843 *((uint16_t *)(p+4)) = BE_16(cmd->cmd_oxid); 2844 *((uint16_t *)(p+6)) = BE_16(cmd->cmd_rxid); 2845 p[10] = p[11] = 0xff; 2846 } 2847 2848 void 2849 fct_handle_rcvd_abts(fct_cmd_t *cmd) 2850 { 2851 char info[80]; 2852 fct_local_port_t *port = cmd->cmd_port; 2853 fct_i_local_port_t *iport = 2854 (fct_i_local_port_t *)port->port_fct_private; 2855 fct_i_cmd_t *icmd = (fct_i_cmd_t *)cmd->cmd_fct_private; 2856 fct_i_remote_port_t *irp; 2857 fct_cmd_t *c = NULL; 2858 fct_i_cmd_t *ic = NULL; 2859 int found = 0; 2860 int i; 2861 2862 icmd->icmd_start_time = ddi_get_lbolt(); 2863 icmd->icmd_flags |= ICMD_KNOWN_TO_FCA; 2864 2865 rw_enter(&iport->iport_lock, RW_WRITER); 2866 /* Make sure local port is sane */ 2867 if ((iport->iport_link_state & S_LINK_ONLINE) == 0) { 2868 rw_exit(&iport->iport_lock); 2869 stmf_trace(iport->iport_alias, "ABTS not posted becasue" 2870 "port state was %x", iport->iport_link_state); 2871 fct_queue_cmd_for_termination(cmd, FCT_LOCAL_PORT_OFFLINE); 2872 return; 2873 } 2874 2875 if (cmd->cmd_rp_handle == FCT_HANDLE_NONE) 2876 irp = fct_portid_to_portptr(iport, cmd->cmd_rportid); 2877 else if (cmd->cmd_rp_handle < port->port_max_logins) 2878 irp = iport->iport_rp_slots[cmd->cmd_rp_handle]; 2879 else 2880 irp = NULL; 2881 if (irp == NULL) { 2882 /* XXX Throw a logout to the initiator */ 2883 rw_exit(&iport->iport_lock); 2884 stmf_trace(iport->iport_alias, "ABTS received from" 2885 " %x without a session", cmd->cmd_rportid); 2886 fct_queue_cmd_for_termination(cmd, FCT_NOT_LOGGED_IN); 2887 return; 2888 } 2889 2890 DTRACE_FC_3(abts__receive, 2891 fct_cmd_t, cmd, 2892 fct_local_port_t, port, 2893 fct_i_remote_port_t, irp); 2894 2895 cmd->cmd_rp = irp->irp_rp; 2896 2897 /* 2898 * No need to allocate an xchg resource. ABTSes use the same 2899 * xchg resource as the cmd they are aborting. 2900 */ 2901 rw_enter(&irp->irp_lock, RW_WRITER); 2902 mutex_enter(&iport->iport_worker_lock); 2903 /* Lets find the command first */ 2904 for (i = 0; i < port->port_max_xchges; i++) { 2905 if ((ic = iport->iport_cmd_slots[i].slot_cmd) == NULL) 2906 continue; 2907 if ((ic->icmd_flags & ICMD_KNOWN_TO_FCA) == 0) 2908 continue; 2909 c = ic->icmd_cmd; 2910 if (!CMD_HANDLE_VALID(c->cmd_handle)) 2911 continue; 2912 if ((c->cmd_rportid != cmd->cmd_rportid) || 2913 (c->cmd_oxid != cmd->cmd_oxid)) 2914 continue; 2915 /* Found the command */ 2916 found = 1; 2917 break; 2918 } 2919 if (!found) { 2920 mutex_exit(&iport->iport_worker_lock); 2921 rw_exit(&irp->irp_lock); 2922 rw_exit(&iport->iport_lock); 2923 /* Dont even bother queueing it. Just respond */ 2924 fct_fill_abts_acc(cmd); 2925 if (port->port_send_cmd_response(cmd, 2926 FCT_IOF_FORCE_FCA_DONE) != FCT_SUCCESS) { 2927 /* 2928 * XXX Throw HBA fatal error event 2929 * Later shutdown svc will terminate the ABTS in the end 2930 */ 2931 (void) snprintf(info, 80, 2932 "fct_handle_rcvd_abts: iport-%p, " 2933 "ABTS_ACC port_send_cmd_response failed", 2934 (void *)iport); 2935 info[79] = 0; 2936 (void) fct_port_shutdown(iport->iport_port, 2937 STMF_RFLAG_FATAL_ERROR | STMF_RFLAG_RESET, info); 2938 } else { 2939 fct_cmd_free(cmd); 2940 } 2941 return; 2942 } 2943 2944 /* Check if this an abts retry */ 2945 if (c->cmd_link && (ic->icmd_flags & ICMD_ABTS_RECEIVED)) { 2946 /* Kill this abts. */ 2947 fct_q_for_termination_lock_held(iport, icmd, FCT_ABORTED); 2948 if (IS_WORKER_SLEEPING(iport)) 2949 cv_signal(&iport->iport_worker_cv); 2950 mutex_exit(&iport->iport_worker_lock); 2951 rw_exit(&irp->irp_lock); 2952 rw_exit(&iport->iport_lock); 2953 return; 2954 } 2955 c->cmd_link = cmd; 2956 atomic_or_32(&ic->icmd_flags, ICMD_ABTS_RECEIVED); 2957 cmd->cmd_link = c; 2958 mutex_exit(&iport->iport_worker_lock); 2959 rw_exit(&irp->irp_lock); 2960 fct_queue_cmd_for_termination(c, FCT_ABTS_RECEIVED); 2961 rw_exit(&iport->iport_lock); 2962 } 2963 2964 void 2965 fct_queue_cmd_for_termination(fct_cmd_t *cmd, fct_status_t s) 2966 { 2967 fct_local_port_t *port = cmd->cmd_port; 2968 fct_i_local_port_t *iport = (fct_i_local_port_t *) 2969 port->port_fct_private; 2970 fct_i_cmd_t *icmd = (fct_i_cmd_t *)cmd->cmd_fct_private; 2971 2972 if (cmd->cmd_type == FCT_CMD_FCP_XCHG) { 2973 fct_queue_scsi_task_for_termination(cmd, s); 2974 return; 2975 } 2976 mutex_enter(&iport->iport_worker_lock); 2977 fct_q_for_termination_lock_held(iport, icmd, s); 2978 if (IS_WORKER_SLEEPING(iport)) 2979 cv_signal(&iport->iport_worker_cv); 2980 mutex_exit(&iport->iport_worker_lock); 2981 } 2982 2983 /* 2984 * This function will not be called for SCSI CMDS 2985 */ 2986 void 2987 fct_q_for_termination_lock_held(fct_i_local_port_t *iport, fct_i_cmd_t *icmd, 2988 fct_status_t s) 2989 { 2990 uint32_t old, new; 2991 fct_i_cmd_t **ppicmd; 2992 2993 do { 2994 old = icmd->icmd_flags; 2995 if (old & ICMD_BEING_ABORTED) 2996 return; 2997 new = old | ICMD_BEING_ABORTED; 2998 } while (atomic_cas_32(&icmd->icmd_flags, old, new) != old); 2999 3000 icmd->icmd_start_time = ddi_get_lbolt(); 3001 icmd->icmd_cmd->cmd_comp_status = s; 3002 3003 icmd->icmd_next = NULL; 3004 for (ppicmd = &(iport->iport_abort_queue); *ppicmd != NULL; 3005 ppicmd = &((*ppicmd)->icmd_next)) 3006 ; 3007 3008 *ppicmd = icmd; 3009 } 3010 3011 /* 3012 * For those cmds, for which we called fca_abort but it has not yet completed, 3013 * reset the FCA_ABORT_CALLED flag, so that abort can be called again. 3014 * This is done after a FCA offline. The reason is that after offline, the 3015 * firmware is not running so abort will never complete. But if we call it 3016 * again, the FCA will detect that it is not offline and it will 3017 * not call the firmware at all. Most likely it will abort in a synchronous 3018 * manner i.e. return FCT_ABORT_SUCCESS or FCT_NOT_FOUND. 3019 */ 3020 void 3021 fct_reset_flag_abort_called(fct_i_local_port_t *iport) 3022 { 3023 fct_i_cmd_t *icmd; 3024 uint32_t old, new; 3025 int i, do_clear; 3026 3027 ASSERT(mutex_owned(&iport->iport_worker_lock)); 3028 mutex_exit(&iport->iport_worker_lock); 3029 rw_enter(&iport->iport_lock, RW_WRITER); 3030 mutex_enter(&iport->iport_worker_lock); 3031 3032 for (i = 0; i < iport->iport_port->port_max_xchges; i++) { 3033 if (iport->iport_cmd_slots[i].slot_cmd == NULL) 3034 continue; 3035 3036 icmd = iport->iport_cmd_slots[i].slot_cmd; 3037 3038 do { 3039 old = new = icmd->icmd_flags; 3040 if ((old & (ICMD_KNOWN_TO_FCA | 3041 ICMD_FCA_ABORT_CALLED)) == (ICMD_KNOWN_TO_FCA | 3042 ICMD_FCA_ABORT_CALLED)) { 3043 new &= ~ICMD_FCA_ABORT_CALLED; 3044 do_clear = 1; 3045 } else { 3046 do_clear = 0; 3047 break; 3048 } 3049 } while (atomic_cas_32(&icmd->icmd_flags, old, new) != old); 3050 if (do_clear && 3051 (icmd->icmd_cmd->cmd_type == FCT_CMD_FCP_XCHG)) { 3052 stmf_abort(STMF_REQUEUE_TASK_ABORT_LPORT, 3053 icmd->icmd_cmd->cmd_specific, 0, NULL); 3054 } 3055 } 3056 3057 rw_exit(&iport->iport_lock); 3058 } 3059 3060 /* 3061 * Modify the irp_deregister_timer such that the ports start deregistering 3062 * quickly. 3063 */ 3064 void 3065 fct_irp_deregister_speedup(fct_i_local_port_t *iport) 3066 { 3067 fct_i_remote_port_t *irp; 3068 int i; 3069 3070 if (!iport->iport_nrps) 3071 return; 3072 3073 for (i = 0; i < rportid_table_size; i++) { 3074 irp = iport->iport_rp_tb[i]; 3075 while (irp) { 3076 irp->irp_deregister_timer = ddi_get_lbolt() - 1; 3077 irp = irp->irp_next; 3078 } 3079 } 3080 } 3081 3082 disc_action_t 3083 fct_handle_port_offline(fct_i_local_port_t *iport) 3084 { 3085 if (iport->iport_offline_prstate == FCT_OPR_START) { 3086 fct_reset_flag_abort_called(iport); 3087 iport->iport_offline_prstate = FCT_OPR_CMD_CLEANUP_WAIT; 3088 /* fct_ctl has already submitted a link offline event */ 3089 return (DISC_ACTION_DELAY_RESCAN); 3090 } 3091 if (iport->iport_offline_prstate == FCT_OPR_CMD_CLEANUP_WAIT) { 3092 if (iport->iport_link_state != PORT_STATE_LINK_DOWN) 3093 return (DISC_ACTION_DELAY_RESCAN); 3094 /* 3095 * All I/Os have been killed at this time. Lets speedup 3096 * the port deregister process. 3097 */ 3098 mutex_exit(&iport->iport_worker_lock); 3099 rw_enter(&iport->iport_lock, RW_WRITER); 3100 fct_irp_deregister_speedup(iport); 3101 rw_exit(&iport->iport_lock); 3102 mutex_enter(&iport->iport_worker_lock); 3103 iport->iport_offline_prstate = FCT_OPR_INT_CLEANUP_WAIT; 3104 return (DISC_ACTION_RESCAN); 3105 } 3106 if (iport->iport_offline_prstate == FCT_OPR_INT_CLEANUP_WAIT) { 3107 stmf_change_status_t st; 3108 3109 if (iport->iport_solcmd_queue) { 3110 return (DISC_ACTION_DELAY_RESCAN); 3111 } 3112 3113 if (iport->iport_nrps) { 3114 /* 3115 * A port logout may have gone when implicit logo all 3116 * was retried. So do the port speedup again here. 3117 */ 3118 mutex_exit(&iport->iport_worker_lock); 3119 rw_enter(&iport->iport_lock, RW_WRITER); 3120 fct_irp_deregister_speedup(iport); 3121 rw_exit(&iport->iport_lock); 3122 mutex_enter(&iport->iport_worker_lock); 3123 return (DISC_ACTION_DELAY_RESCAN); 3124 } 3125 3126 if (iport->iport_event_head != NULL) { 3127 return (DISC_ACTION_DELAY_RESCAN); 3128 } 3129 3130 st.st_completion_status = STMF_SUCCESS; 3131 st.st_additional_info = NULL; 3132 iport->iport_offline_prstate = FCT_OPR_DONE; 3133 iport->iport_state = FCT_STATE_OFFLINE; 3134 mutex_exit(&iport->iport_worker_lock); 3135 (void) stmf_ctl(STMF_CMD_LPORT_OFFLINE_COMPLETE, 3136 iport->iport_port->port_lport, &st); 3137 mutex_enter(&iport->iport_worker_lock); 3138 return (DISC_ACTION_DELAY_RESCAN); 3139 } 3140 3141 /* NOTREACHED */ 3142 return (0); 3143 } 3144 3145 /* 3146 * See stmf.h for information on rflags. Additional info is just a text 3147 * description of the reason for this call. Additional_info can be NULL. 3148 * Also the caller can declare additional info on the stack. stmf_ctl 3149 * makes a copy of it before returning. 3150 */ 3151 fct_status_t 3152 fct_port_initialize(fct_local_port_t *port, uint32_t rflags, 3153 char *additional_info) 3154 { 3155 stmf_state_change_info_t st; 3156 3157 st.st_rflags = rflags; 3158 st.st_additional_info = additional_info; 3159 stmf_trace(NULL, "fct_port_initialize: port-%p, %s", port, 3160 additional_info? additional_info : "no more information"); 3161 return (stmf_ctl(STMF_CMD_LPORT_ONLINE, port->port_lport, &st)); 3162 } 3163 3164 fct_status_t 3165 fct_port_shutdown(fct_local_port_t *port, uint32_t rflags, 3166 char *additional_info) 3167 { 3168 stmf_state_change_info_t st; 3169 3170 st.st_rflags = rflags; 3171 st.st_additional_info = additional_info; 3172 stmf_trace(NULL, "fct_port_shutdown: port-%p, %s", port, 3173 additional_info? additional_info : "no more information"); 3174 return (stmf_ctl(STMF_CMD_LPORT_OFFLINE, port->port_lport, &st)); 3175 } 3176 3177 /* 3178 * Called by worker thread. The aim is to terminate the command 3179 * using whatever means it takes. 3180 * Called with worker lock held. 3181 */ 3182 disc_action_t 3183 fct_cmd_terminator(fct_i_local_port_t *iport) 3184 { 3185 char info[80]; 3186 clock_t endtime; 3187 fct_i_cmd_t **ppicmd; 3188 fct_i_cmd_t *icmd; 3189 fct_cmd_t *cmd; 3190 fct_local_port_t *port = iport->iport_port; 3191 disc_action_t ret = DISC_ACTION_NO_WORK; 3192 fct_status_t abort_ret; 3193 int fca_done, fct_done, cmd_implicit = 0; 3194 int flags; 3195 unsigned long long st; 3196 3197 /* Lets Limit each run to 20ms max. */ 3198 endtime = ddi_get_lbolt() + drv_usectohz(20000); 3199 3200 /* Start from where we left off last time */ 3201 if (iport->iport_ppicmd_term) { 3202 ppicmd = iport->iport_ppicmd_term; 3203 iport->iport_ppicmd_term = NULL; 3204 } else { 3205 ppicmd = &iport->iport_abort_queue; 3206 } 3207 3208 /* 3209 * Once a command gets on discovery queue, this is the only thread 3210 * which can access it. So no need for the lock here. 3211 */ 3212 mutex_exit(&iport->iport_worker_lock); 3213 3214 while ((icmd = *ppicmd) != NULL) { 3215 cmd = icmd->icmd_cmd; 3216 3217 /* Always remember that cmd->cmd_rp can be NULL */ 3218 if ((icmd->icmd_flags & (ICMD_KNOWN_TO_FCA | 3219 ICMD_FCA_ABORT_CALLED)) == ICMD_KNOWN_TO_FCA) { 3220 atomic_or_32(&icmd->icmd_flags, ICMD_FCA_ABORT_CALLED); 3221 if (CMD_HANDLE_VALID(cmd->cmd_handle)) 3222 flags = 0; 3223 else 3224 flags = FCT_IOF_FORCE_FCA_DONE; 3225 abort_ret = port->port_abort_cmd(port, cmd, flags); 3226 if ((abort_ret != FCT_SUCCESS) && 3227 (abort_ret != FCT_ABORT_SUCCESS) && 3228 (abort_ret != FCT_NOT_FOUND)) { 3229 if (flags & FCT_IOF_FORCE_FCA_DONE) { 3230 /* 3231 * XXX trigger port fatal, 3232 * Abort the termination, and shutdown 3233 * svc will trigger fct_cmd_termination 3234 * again. 3235 */ 3236 (void) snprintf(info, 80, 3237 "fct_cmd_terminator:" 3238 " iport-%p, port_abort_cmd with " 3239 "FORCE_FCA_DONE failed", 3240 (void *)iport); 3241 info[79] = 0; 3242 (void) fct_port_shutdown( 3243 iport->iport_port, 3244 STMF_RFLAG_FATAL_ERROR | 3245 STMF_RFLAG_RESET, info); 3246 3247 mutex_enter(&iport->iport_worker_lock); 3248 iport->iport_ppicmd_term = ppicmd; 3249 return (DISC_ACTION_DELAY_RESCAN); 3250 } 3251 atomic_and_32(&icmd->icmd_flags, 3252 ~ICMD_FCA_ABORT_CALLED); 3253 } else if ((flags & FCT_IOF_FORCE_FCA_DONE) || 3254 (abort_ret == FCT_ABORT_SUCCESS) || 3255 (abort_ret == FCT_NOT_FOUND)) { 3256 atomic_and_32(&icmd->icmd_flags, 3257 ~ICMD_KNOWN_TO_FCA); 3258 } 3259 ret |= DISC_ACTION_DELAY_RESCAN; 3260 } else if (icmd->icmd_flags & ICMD_IMPLICIT) { 3261 if (cmd->cmd_type == FCT_CMD_SOL_ELS) 3262 cmd->cmd_comp_status = FCT_ABORTED; 3263 atomic_or_32(&icmd->icmd_flags, ICMD_FCA_ABORT_CALLED); 3264 cmd_implicit = 1; 3265 } 3266 if ((icmd->icmd_flags & ICMD_KNOWN_TO_FCA) == 0) 3267 fca_done = 1; 3268 else 3269 fca_done = 0; 3270 if ((icmd->icmd_flags & ICMD_IN_IRP_QUEUE) == 0) 3271 fct_done = 1; 3272 else 3273 fct_done = 0; 3274 if ((fca_done || cmd_implicit) && fct_done) { 3275 mutex_enter(&iport->iport_worker_lock); 3276 ASSERT(*ppicmd == icmd); 3277 *ppicmd = (*ppicmd)->icmd_next; 3278 mutex_exit(&iport->iport_worker_lock); 3279 if ((cmd->cmd_type == FCT_CMD_RCVD_ELS) || 3280 (cmd->cmd_type == FCT_CMD_RCVD_ABTS)) { 3281 /* Free the cmd */ 3282 fct_cmd_free(cmd); 3283 } else if (cmd->cmd_type == FCT_CMD_SOL_ELS) { 3284 fct_handle_sol_els_completion(iport, icmd); 3285 if (icmd->icmd_flags & ICMD_IMPLICIT) { 3286 if (IS_LOGO_ELS(icmd)) { 3287 /* IMPLICIT LOGO is special */ 3288 fct_cmd_free(cmd); 3289 } 3290 } 3291 } else if (cmd->cmd_type == FCT_CMD_SOL_CT) { 3292 fct_sol_ct_t *ct = ICMD_TO_CT(icmd); 3293 3294 /* Tell the caller that we are done */ 3295 atomic_or_32(&icmd->icmd_flags, 3296 ICMD_CMD_COMPLETE); 3297 if (fct_netbuf_to_value( 3298 ct->ct_req_payload + 8, 2) == NS_GID_PN) { 3299 fct_i_remote_port_t *irp; 3300 3301 rw_enter(&iport->iport_lock, RW_READER); 3302 irp = fct_lookup_irp_by_portwwn(iport, 3303 ct->ct_req_payload + 16); 3304 3305 if (irp) { 3306 atomic_and_32(&irp->irp_flags, 3307 ~IRP_RSCN_QUEUED); 3308 } 3309 rw_exit(&iport->iport_lock); 3310 } 3311 } else { 3312 ASSERT(0); 3313 } 3314 } else { 3315 clock_t timeout_ticks; 3316 if (port->port_fca_abort_timeout) 3317 timeout_ticks = drv_usectohz( 3318 port->port_fca_abort_timeout*1000); 3319 else 3320 /* 10 seconds by default */ 3321 timeout_ticks = drv_usectohz(10 * 1000000); 3322 if ((ddi_get_lbolt() > 3323 (icmd->icmd_start_time+timeout_ticks)) && 3324 iport->iport_state == FCT_STATE_ONLINE) { 3325 /* timeout, reset the port */ 3326 char cmd_type[10]; 3327 if (cmd->cmd_type == FCT_CMD_RCVD_ELS || 3328 cmd->cmd_type == FCT_CMD_SOL_ELS) { 3329 fct_els_t *els = cmd->cmd_specific; 3330 (void) snprintf(cmd_type, 3331 sizeof (cmd_type), "%x.%x", 3332 cmd->cmd_type, 3333 els->els_req_payload[0]); 3334 } else if (cmd->cmd_type == FCT_CMD_SOL_CT) { 3335 fct_sol_ct_t *ct = cmd->cmd_specific; 3336 (void) snprintf(cmd_type, 3337 sizeof (cmd_type), "%x.%02x%02x", 3338 cmd->cmd_type, 3339 ct->ct_req_payload[8], 3340 ct->ct_req_payload[9]); 3341 } else { 3342 cmd_type[0] = 0; 3343 } 3344 st = cmd->cmd_comp_status; /* gcc fix */ 3345 (void) snprintf(info, 80, "fct_cmd_terminator:" 3346 " iport-%p, cmd_type(0x%s)," 3347 " reason(%llx)", (void *)iport, cmd_type, 3348 st); 3349 info[79] = 0; 3350 (void) fct_port_shutdown(port, 3351 STMF_RFLAG_FATAL_ERROR | STMF_RFLAG_RESET, 3352 info); 3353 } 3354 ppicmd = &((*ppicmd)->icmd_next); 3355 } 3356 3357 if (ddi_get_lbolt() > endtime) { 3358 mutex_enter(&iport->iport_worker_lock); 3359 iport->iport_ppicmd_term = ppicmd; 3360 return (DISC_ACTION_DELAY_RESCAN); 3361 } 3362 } 3363 mutex_enter(&iport->iport_worker_lock); 3364 if (iport->iport_abort_queue) 3365 return (DISC_ACTION_DELAY_RESCAN); 3366 if (ret == DISC_ACTION_NO_WORK) 3367 return (DISC_ACTION_RESCAN); 3368 return (ret); 3369 } 3370 3371 /* 3372 * Send a syslog event for adapter port level events. 3373 */ 3374 void 3375 fct_log_local_port_event(fct_local_port_t *port, char *subclass) 3376 { 3377 nvlist_t *attr_list; 3378 int port_instance; 3379 3380 if (!fct_dip) 3381 return; 3382 port_instance = ddi_get_instance(fct_dip); 3383 3384 if (nvlist_alloc(&attr_list, NV_UNIQUE_NAME_TYPE, 3385 KM_SLEEP) != DDI_SUCCESS) { 3386 goto alloc_failed; 3387 } 3388 3389 if (nvlist_add_uint32(attr_list, "instance", port_instance) 3390 != DDI_SUCCESS) { 3391 goto error; 3392 } 3393 3394 if (nvlist_add_byte_array(attr_list, "port-wwn", 3395 port->port_pwwn, 8) != DDI_SUCCESS) { 3396 goto error; 3397 } 3398 3399 (void) ddi_log_sysevent(fct_dip, DDI_VENDOR_SUNW, EC_SUNFC, 3400 subclass, attr_list, NULL, DDI_SLEEP); 3401 3402 nvlist_free(attr_list); 3403 return; 3404 3405 error: 3406 nvlist_free(attr_list); 3407 alloc_failed: 3408 stmf_trace(((fct_i_local_port_t *)port->port_fct_private)->iport_alias, 3409 "Unable to send %s event", subclass); 3410 } 3411 3412 void 3413 fct_log_remote_port_event(fct_local_port_t *port, char *subclass, 3414 uint8_t *rp_pwwn, uint32_t rp_id) 3415 { 3416 nvlist_t *attr_list; 3417 int port_instance; 3418 3419 if (!fct_dip) 3420 return; 3421 port_instance = ddi_get_instance(fct_dip); 3422 3423 if (nvlist_alloc(&attr_list, NV_UNIQUE_NAME_TYPE, 3424 KM_SLEEP) != DDI_SUCCESS) { 3425 goto alloc_failed; 3426 } 3427 3428 if (nvlist_add_uint32(attr_list, "instance", port_instance) 3429 != DDI_SUCCESS) { 3430 goto error; 3431 } 3432 3433 if (nvlist_add_byte_array(attr_list, "port-wwn", 3434 port->port_pwwn, 8) != DDI_SUCCESS) { 3435 goto error; 3436 } 3437 3438 if (nvlist_add_byte_array(attr_list, "target-port-wwn", 3439 rp_pwwn, 8) != DDI_SUCCESS) { 3440 goto error; 3441 } 3442 3443 if (nvlist_add_uint32(attr_list, "target-port-id", 3444 rp_id) != DDI_SUCCESS) { 3445 goto error; 3446 } 3447 3448 (void) ddi_log_sysevent(fct_dip, DDI_VENDOR_SUNW, EC_SUNFC, 3449 subclass, attr_list, NULL, DDI_SLEEP); 3450 3451 nvlist_free(attr_list); 3452 return; 3453 3454 error: 3455 nvlist_free(attr_list); 3456 alloc_failed: 3457 stmf_trace(((fct_i_local_port_t *)port->port_fct_private)->iport_alias, 3458 "Unable to send %s event", subclass); 3459 } 3460 3461 uint64_t 3462 fct_netbuf_to_value(uint8_t *buf, uint8_t nbytes) 3463 { 3464 uint64_t ret = 0; 3465 uint8_t idx = 0; 3466 3467 do { 3468 ret |= (buf[idx] << (8 * (nbytes -idx - 1))); 3469 } while (++idx < nbytes); 3470 3471 return (ret); 3472 } 3473 3474 void 3475 fct_value_to_netbuf(uint64_t value, uint8_t *buf, uint8_t nbytes) 3476 { 3477 uint8_t idx = 0; 3478 3479 for (idx = 0; idx < nbytes; idx++) { 3480 buf[idx] = 0xFF & (value >> (8 * (nbytes - idx - 1))); 3481 } 3482 } 3483 3484 /* 3485 * from_ptr: ptr to uchar_t array of size WWN_SIZE 3486 * to_ptr: char ptr to string of size WWN_SIZE*2+1 3487 */ 3488 void 3489 fct_wwn_to_str(char *to_ptr, const uint8_t *from_ptr) 3490 { 3491 ASSERT(to_ptr != NULL && from_ptr != NULL); 3492 3493 (void) sprintf(to_ptr, "%02x%02x%02x%02x%02x%02x%02x%02x", 3494 from_ptr[0], from_ptr[1], from_ptr[2], from_ptr[3], 3495 from_ptr[4], from_ptr[5], from_ptr[6], from_ptr[7]); 3496 } 3497 3498 static int 3499 fct_update_stats(kstat_t *ks, int rw) 3500 { 3501 fct_i_local_port_t *iport; 3502 fct_port_stat_t *port_kstat; 3503 fct_port_link_status_t stat; 3504 uint32_t buf_size = sizeof (stat); 3505 int ret; 3506 3507 if (rw == KSTAT_WRITE) 3508 return (EACCES); 3509 3510 iport = (fct_i_local_port_t *)ks->ks_private; 3511 port_kstat = (fct_port_stat_t *)ks->ks_data; 3512 3513 if (iport->iport_port->port_info == NULL) { 3514 return (EIO); 3515 } 3516 ret = iport->iport_port->port_info(FC_TGT_PORT_RLS, 3517 iport->iport_port, NULL, (uint8_t *)&stat, &buf_size); 3518 if (ret != STMF_SUCCESS) { 3519 return (EIO); 3520 } 3521 3522 port_kstat->link_failure_cnt.value.ui32 = 3523 stat.LinkFailureCount; 3524 port_kstat->loss_of_sync_cnt.value.ui32 = 3525 stat.LossOfSyncCount; 3526 port_kstat->loss_of_signals_cnt.value.ui32 = 3527 stat.LossOfSignalsCount; 3528 port_kstat->prim_seq_protocol_err_cnt.value.ui32 = 3529 stat.PrimitiveSeqProtocolErrorCount; 3530 port_kstat->invalid_tx_word_cnt.value.ui32 = 3531 stat.InvalidTransmissionWordCount; 3532 port_kstat->invalid_crc_cnt.value.ui32 = 3533 stat.InvalidCRCCount; 3534 3535 return (0); 3536 } 3537 3538 void 3539 fct_init_kstats(fct_i_local_port_t *iport) 3540 { 3541 kstat_t *ks; 3542 fct_port_stat_t *port_kstat; 3543 char name[256]; 3544 3545 if (iport->iport_alias) 3546 (void) sprintf(name, "iport_%s", iport->iport_alias); 3547 else 3548 (void) sprintf(name, "iport_%"PRIxPTR"", (uintptr_t)iport); 3549 ks = kstat_create(FCT_MODULE_NAME, 0, name, "rawdata", 3550 KSTAT_TYPE_NAMED, sizeof (fct_port_stat_t) / sizeof (kstat_named_t), 3551 0); 3552 3553 if (ks == NULL) { 3554 return; 3555 } 3556 port_kstat = (fct_port_stat_t *)ks->ks_data; 3557 3558 iport->iport_kstat_portstat = ks; 3559 kstat_named_init(&port_kstat->link_failure_cnt, 3560 "Link_failure_cnt", KSTAT_DATA_UINT32); 3561 kstat_named_init(&port_kstat->loss_of_sync_cnt, 3562 "Loss_of_sync_cnt", KSTAT_DATA_UINT32); 3563 kstat_named_init(&port_kstat->loss_of_signals_cnt, 3564 "Loss_of_signals_cnt", KSTAT_DATA_UINT32); 3565 kstat_named_init(&port_kstat->prim_seq_protocol_err_cnt, 3566 "Prim_seq_protocol_err_cnt", KSTAT_DATA_UINT32); 3567 kstat_named_init(&port_kstat->invalid_tx_word_cnt, 3568 "Invalid_tx_word_cnt", KSTAT_DATA_UINT32); 3569 kstat_named_init(&port_kstat->invalid_crc_cnt, 3570 "Invalid_crc_cnt", KSTAT_DATA_UINT32); 3571 ks->ks_update = fct_update_stats; 3572 ks->ks_private = (void *)iport; 3573 kstat_install(ks); 3574 3575 } 3576