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 2010 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 /* set up as alua participating port */ 1211 stmf_set_port_alua(lport); 1212 if (stmf_register_local_port(port->port_lport) != FCT_SUCCESS) { 1213 goto fct_regport_fail1; 1214 } 1215 (void) stmf_lport_add_event(lport, LPORT_EVENT_INITIAL_LUN_MAPPED); 1216 1217 mutex_enter(&fct_global_mutex); 1218 iport->iport_next = fct_iport_list; 1219 iport->iport_prev = NULL; 1220 if (iport->iport_next) 1221 iport->iport_next->iport_prev = iport; 1222 fct_iport_list = iport; 1223 mutex_exit(&fct_global_mutex); 1224 1225 fct_init_kstats(iport); 1226 1227 fct_log_local_port_event(port, ESC_SUNFC_PORT_ATTACH); 1228 1229 return (FCT_SUCCESS); 1230 1231 fct_regport_fail1:; 1232 /* Stop the taskq 1st */ 1233 if (iport->iport_flags & IPORT_WORKER_RUNNING) { 1234 atomic_or_32(&iport->iport_flags, IPORT_TERMINATE_WORKER); 1235 cv_broadcast(&iport->iport_worker_cv); 1236 while (iport->iport_flags & IPORT_WORKER_RUNNING) { 1237 delay(1); 1238 } 1239 } 1240 ddi_taskq_destroy(iport->iport_worker_taskq); 1241 if (iport->iport_rp_tb) { 1242 kmem_free(iport->iport_rp_tb, rportid_table_size * 1243 sizeof (fct_i_remote_port_t *)); 1244 } 1245 return (FCT_FAILURE); 1246 } 1247 1248 fct_status_t 1249 fct_deregister_local_port(fct_local_port_t *port) 1250 { 1251 fct_i_local_port_t *iport; 1252 fct_i_cmd_t *icmd, *next_icmd; 1253 int ndx; 1254 1255 iport = (fct_i_local_port_t *)port->port_fct_private; 1256 1257 if ((iport->iport_state != FCT_STATE_OFFLINE) || 1258 iport->iport_state_not_acked) { 1259 return (FCT_FAILURE); 1260 } 1261 1262 /* Stop the taskq 1st */ 1263 if (iport->iport_flags & IPORT_WORKER_RUNNING) { 1264 atomic_or_32(&iport->iport_flags, IPORT_TERMINATE_WORKER); 1265 cv_broadcast(&iport->iport_worker_cv); 1266 for (ndx = 0; ndx < 100; ndx++) { 1267 if ((iport->iport_flags & IPORT_WORKER_RUNNING) 1268 == 0) { 1269 break; 1270 } 1271 delay(drv_usectohz(10000)); 1272 } 1273 if (ndx == 100) { 1274 atomic_and_32(&iport->iport_flags, 1275 ~IPORT_TERMINATE_WORKER); 1276 return (FCT_WORKER_STUCK); 1277 } 1278 } 1279 1280 if (stmf_deregister_local_port(port->port_lport) != FCT_SUCCESS) { 1281 goto fct_deregport_fail1; 1282 } 1283 1284 mutex_enter(&fct_global_mutex); 1285 if (iport->iport_next) 1286 iport->iport_next->iport_prev = iport->iport_prev; 1287 if (iport->iport_prev) 1288 iport->iport_prev->iport_next = iport->iport_next; 1289 else 1290 fct_iport_list = iport->iport_next; 1291 mutex_exit(&fct_global_mutex); 1292 /* 1293 * At this time, there should be no outstanding and pending 1294 * I/Os, so we can just release resources. 1295 */ 1296 ASSERT(iport->iport_total_alloced_ncmds == iport->iport_cached_ncmds); 1297 for (icmd = iport->iport_cached_cmdlist; icmd; icmd = next_icmd) { 1298 next_icmd = icmd->icmd_next; 1299 fct_free(icmd->icmd_cmd); 1300 } 1301 mutex_destroy(&iport->iport_cached_cmd_lock); 1302 kmem_free(iport->iport_cmd_slots, port->port_max_xchges * 1303 sizeof (fct_cmd_slot_t)); 1304 kmem_free(iport->iport_rp_slots, port->port_max_logins * 1305 sizeof (fct_i_remote_port_t *)); 1306 rw_destroy(&iport->iport_lock); 1307 cv_destroy(&iport->iport_worker_cv); 1308 sema_destroy(&iport->iport_rls_sema); 1309 mutex_destroy(&iport->iport_worker_lock); 1310 ddi_taskq_destroy(iport->iport_worker_taskq); 1311 if (iport->iport_rp_tb) { 1312 kmem_free(iport->iport_rp_tb, rportid_table_size * 1313 sizeof (fct_i_remote_port_t *)); 1314 } 1315 1316 if (iport->iport_kstat_portstat) { 1317 kstat_delete(iport->iport_kstat_portstat); 1318 } 1319 1320 fct_log_local_port_event(port, ESC_SUNFC_PORT_DETACH); 1321 return (FCT_SUCCESS); 1322 1323 fct_deregport_fail1:; 1324 /* Restart the worker */ 1325 atomic_and_32(&iport->iport_flags, ~IPORT_TERMINATE_WORKER); 1326 (void) ddi_taskq_dispatch(iport->iport_worker_taskq, 1327 fct_port_worker, port, DDI_SLEEP); 1328 /* Wait for taskq to start */ 1329 while ((iport->iport_flags & IPORT_WORKER_RUNNING) == 0) { 1330 delay(1); 1331 } 1332 return (FCT_FAILURE); 1333 } 1334 1335 /* ARGSUSED */ 1336 void 1337 fct_handle_event(fct_local_port_t *port, int event_id, uint32_t event_flags, 1338 caddr_t arg) 1339 { 1340 char info[80]; 1341 fct_i_event_t *e; 1342 fct_i_local_port_t *iport = (fct_i_local_port_t *) 1343 port->port_fct_private; 1344 1345 e = kmem_zalloc(sizeof (fct_i_event_t), KM_NOSLEEP); 1346 1347 if (e == NULL) { 1348 /* 1349 * XXX Throw HBA fatal error event 1350 */ 1351 (void) snprintf(info, 80, 1352 "fct_handle_event: iport-%p, allocation " 1353 "of fct_i_event failed", (void *)iport); 1354 info[79] = 0; 1355 (void) fct_port_shutdown(iport->iport_port, 1356 STMF_RFLAG_FATAL_ERROR | STMF_RFLAG_RESET, info); 1357 return; 1358 } 1359 /* Just queue the event */ 1360 e->event_type = event_id; 1361 mutex_enter(&iport->iport_worker_lock); 1362 if (iport->iport_event_head == NULL) { 1363 iport->iport_event_head = iport->iport_event_tail = e; 1364 } else { 1365 iport->iport_event_tail->event_next = e; 1366 iport->iport_event_tail = e; 1367 } 1368 if (IS_WORKER_SLEEPING(iport)) 1369 cv_signal(&iport->iport_worker_cv); 1370 mutex_exit(&iport->iport_worker_lock); 1371 } 1372 1373 /* 1374 * Called with iport_lock held as reader. 1375 */ 1376 fct_i_remote_port_t * 1377 fct_portid_to_portptr(fct_i_local_port_t *iport, uint32_t portid) 1378 { 1379 fct_i_remote_port_t *irp; 1380 1381 irp = iport->iport_rp_tb[FCT_PORTID_HASH_FUNC(portid)]; 1382 for (; irp != NULL; irp = irp->irp_next) { 1383 if (irp->irp_portid == portid) 1384 return (irp); 1385 } 1386 1387 return (NULL); 1388 1389 } 1390 1391 /* 1392 * Called with irp_lock held as writer. 1393 */ 1394 void 1395 fct_queue_rp(fct_i_local_port_t *iport, fct_i_remote_port_t *irp) 1396 { 1397 int hash_key = 1398 FCT_PORTID_HASH_FUNC(irp->irp_portid); 1399 1400 irp->irp_next = iport->iport_rp_tb[hash_key]; 1401 iport->iport_rp_tb[hash_key] = irp; 1402 iport->iport_nrps++; 1403 } 1404 1405 /* 1406 * Called with irp_lock and iport_lock held as writer. 1407 */ 1408 void 1409 fct_deque_rp(fct_i_local_port_t *iport, fct_i_remote_port_t *irp) 1410 { 1411 fct_i_remote_port_t *irp_next = NULL; 1412 fct_i_remote_port_t *irp_last = NULL; 1413 int hash_key = 1414 FCT_PORTID_HASH_FUNC(irp->irp_portid); 1415 1416 irp_next = iport->iport_rp_tb[hash_key]; 1417 irp_last = NULL; 1418 while (irp_next != NULL) { 1419 if (irp == irp_next) { 1420 if (irp->irp_flags & IRP_PLOGI_DONE) { 1421 atomic_add_32(&iport->iport_nrps_login, -1); 1422 } 1423 atomic_and_32(&irp->irp_flags, 1424 ~(IRP_PLOGI_DONE | IRP_PRLI_DONE)); 1425 break; 1426 } 1427 irp_last = irp_next; 1428 irp_next = irp_next->irp_next; 1429 } 1430 1431 if (irp_next) { 1432 if (irp_last == NULL) { 1433 iport->iport_rp_tb[hash_key] = 1434 irp->irp_next; 1435 } else { 1436 irp_last->irp_next = irp->irp_next; 1437 } 1438 irp->irp_next = NULL; 1439 iport->iport_nrps--; 1440 } 1441 } 1442 1443 int 1444 fct_is_irp_logging_out(fct_i_remote_port_t *irp, int force_implicit) 1445 { 1446 int logging_out = 0; 1447 1448 rw_enter(&irp->irp_lock, RW_WRITER); 1449 if ((irp->irp_flags & IRP_IN_DISCOVERY_QUEUE) == 0) { 1450 logging_out = 0; 1451 goto ilo_done; 1452 } 1453 if ((irp->irp_els_list == NULL) && (irp->irp_deregister_timer)) { 1454 if (force_implicit && irp->irp_nonfcp_xchg_count) { 1455 logging_out = 0; 1456 } else { 1457 logging_out = 1; 1458 } 1459 goto ilo_done; 1460 } 1461 if (irp->irp_els_list) { 1462 fct_i_cmd_t *icmd; 1463 /* Last session affecting ELS should be a LOGO */ 1464 for (icmd = irp->irp_els_list; icmd; icmd = icmd->icmd_next) { 1465 uint8_t op = (ICMD_TO_ELS(icmd))->els_req_payload[0]; 1466 if (op == ELS_OP_LOGO) { 1467 if (force_implicit) { 1468 if (icmd->icmd_flags & ICMD_IMPLICIT) 1469 logging_out = 1; 1470 else 1471 logging_out = 0; 1472 } else { 1473 logging_out = 1; 1474 } 1475 } else if ((op == ELS_OP_PLOGI) || 1476 (op == ELS_OP_PRLI) || 1477 (op == ELS_OP_PRLO) || (op == ELS_OP_TPRLO)) { 1478 logging_out = 0; 1479 } 1480 } 1481 } 1482 ilo_done:; 1483 rw_exit(&irp->irp_lock); 1484 1485 return (logging_out); 1486 } 1487 1488 /* 1489 * The force_implicit flag enforces the implicit semantics which may be 1490 * needed if a received logout got stuck e.g. a response to a received 1491 * LOGO never came back from the FCA. 1492 */ 1493 int 1494 fct_implicitly_logo_all(fct_i_local_port_t *iport, int force_implicit) 1495 { 1496 fct_i_remote_port_t *irp = NULL; 1497 fct_cmd_t *cmd = NULL; 1498 int i = 0; 1499 int nports = 0; 1500 1501 if (!iport->iport_nrps) { 1502 return (nports); 1503 } 1504 1505 rw_enter(&iport->iport_lock, RW_WRITER); 1506 for (i = 0; i < rportid_table_size; i++) { 1507 irp = iport->iport_rp_tb[i]; 1508 while (irp) { 1509 if ((!(irp->irp_flags & IRP_PLOGI_DONE)) && 1510 (fct_is_irp_logging_out(irp, force_implicit))) { 1511 irp = irp->irp_next; 1512 continue; 1513 } 1514 1515 cmd = fct_create_solels(iport->iport_port, irp->irp_rp, 1516 1, ELS_OP_LOGO, 0, fct_logo_cb); 1517 if (cmd == NULL) { 1518 stmf_trace(iport->iport_alias, 1519 "fct_implictly_logo_all: cmd null"); 1520 rw_exit(&iport->iport_lock); 1521 1522 return (nports); 1523 } 1524 1525 fct_post_implicit_logo(cmd); 1526 nports++; 1527 irp = irp->irp_next; 1528 } 1529 } 1530 rw_exit(&iport->iport_lock); 1531 1532 return (nports); 1533 } 1534 1535 void 1536 fct_rehash(fct_i_local_port_t *iport) 1537 { 1538 fct_i_remote_port_t **iport_rp_tb_tmp; 1539 fct_i_remote_port_t **iport_rp_tb_new; 1540 fct_i_remote_port_t *irp; 1541 fct_i_remote_port_t *irp_next; 1542 int i; 1543 1544 iport_rp_tb_new = kmem_zalloc(rportid_table_size * 1545 sizeof (fct_i_remote_port_t *), KM_SLEEP); 1546 rw_enter(&iport->iport_lock, RW_WRITER); 1547 /* reconstruct the hash table */ 1548 iport_rp_tb_tmp = iport->iport_rp_tb; 1549 iport->iport_rp_tb = iport_rp_tb_new; 1550 iport->iport_nrps = 0; 1551 for (i = 0; i < rportid_table_size; i++) { 1552 irp = iport_rp_tb_tmp[i]; 1553 while (irp) { 1554 irp_next = irp->irp_next; 1555 fct_queue_rp(iport, irp); 1556 irp = irp_next; 1557 } 1558 } 1559 rw_exit(&iport->iport_lock); 1560 kmem_free(iport_rp_tb_tmp, rportid_table_size * 1561 sizeof (fct_i_remote_port_t *)); 1562 1563 } 1564 1565 uint8_t 1566 fct_local_port_cleanup_done(fct_i_local_port_t *iport) 1567 { 1568 fct_i_remote_port_t *irp; 1569 int i; 1570 1571 if (iport->iport_nrps_login) 1572 return (0); 1573 /* loop all rps to check if the cmd have already been drained */ 1574 for (i = 0; i < rportid_table_size; i++) { 1575 irp = iport->iport_rp_tb[i]; 1576 while (irp) { 1577 if (irp->irp_fcp_xchg_count || 1578 irp->irp_nonfcp_xchg_count) 1579 return (0); 1580 irp = irp->irp_next; 1581 } 1582 } 1583 return (1); 1584 } 1585 1586 fct_cmd_t * 1587 fct_scsi_task_alloc(fct_local_port_t *port, uint16_t rp_handle, 1588 uint32_t rportid, uint8_t *lun, uint16_t cdb_length, 1589 uint16_t task_ext) 1590 { 1591 fct_cmd_t *cmd; 1592 fct_i_cmd_t *icmd; 1593 fct_i_local_port_t *iport = 1594 (fct_i_local_port_t *)port->port_fct_private; 1595 fct_i_remote_port_t *irp; 1596 scsi_task_t *task; 1597 fct_remote_port_t *rp; 1598 uint16_t cmd_slot; 1599 1600 rw_enter(&iport->iport_lock, RW_READER); 1601 if ((iport->iport_link_state & S_LINK_ONLINE) == 0) { 1602 rw_exit(&iport->iport_lock); 1603 stmf_trace(iport->iport_alias, "cmd alloc called while the port" 1604 " was offline"); 1605 return (NULL); 1606 } 1607 1608 if (rp_handle == FCT_HANDLE_NONE) { 1609 irp = fct_portid_to_portptr(iport, rportid); 1610 if (irp == NULL) { 1611 rw_exit(&iport->iport_lock); 1612 stmf_trace(iport->iport_alias, "cmd received from " 1613 "non existent port %x", rportid); 1614 return (NULL); 1615 } 1616 } else { 1617 if ((rp_handle >= port->port_max_logins) || 1618 ((irp = iport->iport_rp_slots[rp_handle]) == NULL)) { 1619 rw_exit(&iport->iport_lock); 1620 stmf_trace(iport->iport_alias, "cmd received from " 1621 "invalid port handle %x", rp_handle); 1622 return (NULL); 1623 } 1624 } 1625 rp = irp->irp_rp; 1626 1627 rw_enter(&irp->irp_lock, RW_READER); 1628 if ((irp->irp_flags & IRP_PRLI_DONE) == 0) { 1629 rw_exit(&irp->irp_lock); 1630 rw_exit(&iport->iport_lock); 1631 stmf_trace(iport->iport_alias, "cmd alloc called while fcp " 1632 "login was not done. portid=%x, rp=%p", rp->rp_id, rp); 1633 return (NULL); 1634 } 1635 1636 mutex_enter(&iport->iport_cached_cmd_lock); 1637 if ((icmd = iport->iport_cached_cmdlist) != NULL) { 1638 iport->iport_cached_cmdlist = icmd->icmd_next; 1639 iport->iport_cached_ncmds--; 1640 cmd = icmd->icmd_cmd; 1641 } else { 1642 icmd = NULL; 1643 } 1644 mutex_exit(&iport->iport_cached_cmd_lock); 1645 if (icmd == NULL) { 1646 cmd = (fct_cmd_t *)fct_alloc(FCT_STRUCT_CMD_FCP_XCHG, 1647 port->port_fca_fcp_cmd_size, 0); 1648 if (cmd == NULL) { 1649 rw_exit(&irp->irp_lock); 1650 rw_exit(&iport->iport_lock); 1651 stmf_trace(iport->iport_alias, "Ran out of " 1652 "memory, port=%p", port); 1653 return (NULL); 1654 } 1655 1656 icmd = (fct_i_cmd_t *)cmd->cmd_fct_private; 1657 icmd->icmd_next = NULL; 1658 cmd->cmd_port = port; 1659 atomic_add_32(&iport->iport_total_alloced_ncmds, 1); 1660 } 1661 1662 /* 1663 * The accuracy of iport_max_active_ncmds is not important 1664 */ 1665 if ((iport->iport_total_alloced_ncmds - iport->iport_cached_ncmds) > 1666 iport->iport_max_active_ncmds) { 1667 iport->iport_max_active_ncmds = 1668 iport->iport_total_alloced_ncmds - 1669 iport->iport_cached_ncmds; 1670 } 1671 1672 /* Lets get a slot */ 1673 cmd_slot = fct_alloc_cmd_slot(iport, cmd); 1674 if (cmd_slot == FCT_SLOT_EOL) { 1675 rw_exit(&irp->irp_lock); 1676 rw_exit(&iport->iport_lock); 1677 stmf_trace(iport->iport_alias, "Ran out of xchg resources"); 1678 cmd->cmd_handle = 0; 1679 fct_cmd_free(cmd); 1680 return (NULL); 1681 } 1682 atomic_add_16(&irp->irp_fcp_xchg_count, 1); 1683 cmd->cmd_rp = rp; 1684 icmd->icmd_flags |= ICMD_IN_TRANSITION | ICMD_KNOWN_TO_FCA; 1685 rw_exit(&irp->irp_lock); 1686 rw_exit(&iport->iport_lock); 1687 1688 icmd->icmd_start_time = ddi_get_lbolt(); 1689 1690 cmd->cmd_specific = stmf_task_alloc(port->port_lport, irp->irp_session, 1691 lun, cdb_length, task_ext); 1692 if ((task = (scsi_task_t *)cmd->cmd_specific) != NULL) { 1693 task->task_port_private = cmd; 1694 return (cmd); 1695 } 1696 1697 fct_cmd_free(cmd); 1698 1699 return (NULL); 1700 } 1701 1702 void 1703 fct_scsi_task_free(scsi_task_t *task) 1704 { 1705 fct_cmd_t *cmd = (fct_cmd_t *)task->task_port_private; 1706 1707 cmd->cmd_comp_status = task->task_completion_status; 1708 fct_cmd_free(cmd); 1709 } 1710 1711 void 1712 fct_post_rcvd_cmd(fct_cmd_t *cmd, stmf_data_buf_t *dbuf) 1713 { 1714 if (cmd->cmd_type == FCT_CMD_FCP_XCHG) { 1715 fct_i_cmd_t *icmd = (fct_i_cmd_t *)cmd->cmd_fct_private; 1716 fct_i_local_port_t *iport = 1717 (fct_i_local_port_t *)cmd->cmd_port->port_fct_private; 1718 fct_i_remote_port_t *irp = 1719 (fct_i_remote_port_t *)cmd->cmd_rp->rp_fct_private; 1720 scsi_task_t *task = (scsi_task_t *)cmd->cmd_specific; 1721 1722 uint16_t irp_task = irp->irp_fcp_xchg_count; 1723 uint32_t load = iport->iport_total_alloced_ncmds - 1724 iport->iport_cached_ncmds; 1725 1726 DTRACE_FC_4(scsi__command, 1727 fct_cmd_t, cmd, 1728 fct_i_local_port_t, iport, 1729 scsi_task_t, task, 1730 fct_i_remote_port_t, irp); 1731 1732 if (load >= iport->iport_task_green_limit) { 1733 if ((load < iport->iport_task_yellow_limit && 1734 irp_task >= 4) || 1735 (load >= iport->iport_task_yellow_limit && 1736 load < iport->iport_task_red_limit && 1737 irp_task >= 1) || 1738 (load >= iport->iport_task_red_limit)) 1739 task->task_additional_flags |= 1740 TASK_AF_PORT_LOAD_HIGH; 1741 } 1742 stmf_post_task((scsi_task_t *)cmd->cmd_specific, dbuf); 1743 atomic_and_32(&icmd->icmd_flags, ~ICMD_IN_TRANSITION); 1744 return; 1745 } 1746 /* We dont need dbuf for other cmds */ 1747 if (dbuf) { 1748 cmd->cmd_port->port_fds->fds_free_data_buf( 1749 cmd->cmd_port->port_fds, dbuf); 1750 dbuf = NULL; 1751 } 1752 if (cmd->cmd_type == FCT_CMD_RCVD_ELS) { 1753 fct_handle_els(cmd); 1754 return; 1755 } 1756 if (cmd->cmd_type == FCT_CMD_RCVD_ABTS) { 1757 fct_handle_rcvd_abts(cmd); 1758 return; 1759 } 1760 1761 ASSERT(0); 1762 } 1763 1764 /* 1765 * This function bypasses fct_handle_els() 1766 */ 1767 void 1768 fct_post_implicit_logo(fct_cmd_t *cmd) 1769 { 1770 fct_local_port_t *port = cmd->cmd_port; 1771 fct_i_local_port_t *iport = 1772 (fct_i_local_port_t *)port->port_fct_private; 1773 fct_i_cmd_t *icmd = (fct_i_cmd_t *)cmd->cmd_fct_private; 1774 fct_remote_port_t *rp = cmd->cmd_rp; 1775 fct_i_remote_port_t *irp = (fct_i_remote_port_t *)rp->rp_fct_private; 1776 1777 icmd->icmd_start_time = ddi_get_lbolt(); 1778 1779 rw_enter(&irp->irp_lock, RW_WRITER); 1780 atomic_or_32(&icmd->icmd_flags, ICMD_IMPLICIT_CMD_HAS_RESOURCE); 1781 atomic_add_16(&irp->irp_nonfcp_xchg_count, 1); 1782 atomic_add_16(&irp->irp_sa_elses_count, 1); 1783 /* 1784 * An implicit LOGO can also be posted to a irp where a PLOGI might 1785 * be in process. That PLOGI will reset this flag and decrement the 1786 * iport_nrps_login counter. 1787 */ 1788 if (irp->irp_flags & IRP_PLOGI_DONE) { 1789 atomic_add_32(&iport->iport_nrps_login, -1); 1790 } 1791 atomic_and_32(&irp->irp_flags, ~(IRP_PLOGI_DONE | IRP_PRLI_DONE)); 1792 atomic_or_32(&icmd->icmd_flags, ICMD_SESSION_AFFECTING); 1793 fct_post_to_discovery_queue(iport, irp, icmd); 1794 rw_exit(&irp->irp_lock); 1795 } 1796 1797 /* 1798 * called with iport_lock held, return the slot number 1799 */ 1800 uint16_t 1801 fct_alloc_cmd_slot(fct_i_local_port_t *iport, fct_cmd_t *cmd) 1802 { 1803 uint16_t cmd_slot; 1804 uint32_t old, new; 1805 fct_i_cmd_t *icmd = (fct_i_cmd_t *)cmd->cmd_fct_private; 1806 1807 do { 1808 old = iport->iport_next_free_slot; 1809 cmd_slot = old & 0xFFFF; 1810 if (cmd_slot == FCT_SLOT_EOL) 1811 return (cmd_slot); 1812 /* 1813 * We use high order 16 bits as a counter which keeps on 1814 * incrementing to avoid ABA issues with atomic lists. 1815 */ 1816 new = ((old + (0x10000)) & 0xFFFF0000); 1817 new |= iport->iport_cmd_slots[cmd_slot].slot_next; 1818 } while (atomic_cas_32(&iport->iport_next_free_slot, old, new) != old); 1819 1820 atomic_add_16(&iport->iport_nslots_free, -1); 1821 iport->iport_cmd_slots[cmd_slot].slot_cmd = icmd; 1822 cmd->cmd_handle = (uint32_t)cmd_slot | 0x80000000 | 1823 (((uint32_t)(iport->iport_cmd_slots[cmd_slot].slot_uniq_cntr)) 1824 << 24); 1825 return (cmd_slot); 1826 } 1827 1828 /* 1829 * If icmd is not NULL, irp_lock must be held 1830 */ 1831 void 1832 fct_post_to_discovery_queue(fct_i_local_port_t *iport, 1833 fct_i_remote_port_t *irp, fct_i_cmd_t *icmd) 1834 { 1835 fct_i_cmd_t **p; 1836 1837 ASSERT(!MUTEX_HELD(&iport->iport_worker_lock)); 1838 if (icmd) { 1839 icmd->icmd_next = NULL; 1840 for (p = &irp->irp_els_list; *p != NULL; 1841 p = &((*p)->icmd_next)) 1842 ; 1843 1844 *p = icmd; 1845 atomic_or_32(&icmd->icmd_flags, ICMD_IN_IRP_QUEUE); 1846 } 1847 1848 mutex_enter(&iport->iport_worker_lock); 1849 if ((irp->irp_flags & IRP_IN_DISCOVERY_QUEUE) == 0) { 1850 1851 /* 1852 * CAUTION: do not grab local_port/remote_port locks after 1853 * grabbing the worker lock. 1854 */ 1855 irp->irp_discovery_next = NULL; 1856 if (iport->iport_rpwe_tail) { 1857 iport->iport_rpwe_tail->irp_discovery_next = irp; 1858 iport->iport_rpwe_tail = irp; 1859 } else { 1860 iport->iport_rpwe_head = iport->iport_rpwe_tail = irp; 1861 } 1862 1863 atomic_or_32(&irp->irp_flags, IRP_IN_DISCOVERY_QUEUE); 1864 } 1865 1866 /* 1867 * We need always signal the port worker irrespective of the fact that 1868 * irp is already in discovery queue or not. 1869 */ 1870 if (IS_WORKER_SLEEPING(iport)) { 1871 cv_signal(&iport->iport_worker_cv); 1872 } 1873 mutex_exit(&iport->iport_worker_lock); 1874 } 1875 1876 stmf_status_t 1877 fct_xfer_scsi_data(scsi_task_t *task, stmf_data_buf_t *dbuf, uint32_t ioflags) 1878 { 1879 fct_cmd_t *cmd = (fct_cmd_t *)task->task_port_private; 1880 1881 DTRACE_FC_5(xfer__start, 1882 fct_cmd_t, cmd, 1883 fct_i_local_port_t, cmd->cmd_port->port_fct_private, 1884 scsi_task_t, task, 1885 fct_i_remote_port_t, cmd->cmd_rp->rp_fct_private, 1886 stmf_data_buf_t, dbuf); 1887 1888 return (cmd->cmd_port->port_xfer_scsi_data(cmd, dbuf, ioflags)); 1889 } 1890 1891 void 1892 fct_scsi_data_xfer_done(fct_cmd_t *cmd, stmf_data_buf_t *dbuf, uint32_t ioflags) 1893 { 1894 fct_i_cmd_t *icmd = (fct_i_cmd_t *)cmd->cmd_fct_private; 1895 uint32_t old, new; 1896 uint32_t iof = 0; 1897 1898 DTRACE_FC_5(xfer__done, 1899 fct_cmd_t, cmd, 1900 fct_i_local_port_t, cmd->cmd_port->port_fct_private, 1901 scsi_task_t, ((scsi_task_t *)cmd->cmd_specific), 1902 fct_i_remote_port_t, cmd->cmd_rp->rp_fct_private, 1903 stmf_data_buf_t, dbuf); 1904 1905 if (ioflags & FCT_IOF_FCA_DONE) { 1906 do { 1907 old = new = icmd->icmd_flags; 1908 if (old & ICMD_BEING_ABORTED) { 1909 return; 1910 } 1911 new &= ~ICMD_KNOWN_TO_FCA; 1912 } while (atomic_cas_32(&icmd->icmd_flags, old, new) != old); 1913 iof = STMF_IOF_LPORT_DONE; 1914 cmd->cmd_comp_status = dbuf->db_xfer_status; 1915 } 1916 1917 if (icmd->icmd_flags & ICMD_BEING_ABORTED) 1918 return; 1919 stmf_data_xfer_done((scsi_task_t *)cmd->cmd_specific, dbuf, iof); 1920 } 1921 1922 stmf_status_t 1923 fct_send_scsi_status(scsi_task_t *task, uint32_t ioflags) 1924 { 1925 fct_cmd_t *cmd = (fct_cmd_t *)task->task_port_private; 1926 1927 DTRACE_FC_4(scsi__response, 1928 fct_cmd_t, cmd, 1929 fct_i_local_port_t, 1930 (fct_i_local_port_t *)cmd->cmd_port->port_fct_private, 1931 scsi_task_t, task, 1932 fct_i_remote_port_t, 1933 (fct_i_remote_port_t *)cmd->cmd_rp->rp_fct_private); 1934 1935 return (cmd->cmd_port->port_send_cmd_response(cmd, ioflags)); 1936 } 1937 1938 void 1939 fct_send_response_done(fct_cmd_t *cmd, fct_status_t s, uint32_t ioflags) 1940 { 1941 fct_i_cmd_t *icmd = (fct_i_cmd_t *)cmd->cmd_fct_private; 1942 fct_local_port_t *port = cmd->cmd_port; 1943 fct_i_local_port_t *iport = (fct_i_local_port_t *) 1944 port->port_fct_private; 1945 uint32_t old, new; 1946 1947 if ((ioflags & FCT_IOF_FCA_DONE) == 0) { 1948 /* Until we support confirmed completions, this is an error */ 1949 fct_queue_cmd_for_termination(cmd, s); 1950 return; 1951 } 1952 do { 1953 old = new = icmd->icmd_flags; 1954 if (old & ICMD_BEING_ABORTED) { 1955 return; 1956 } 1957 new &= ~ICMD_KNOWN_TO_FCA; 1958 } while (atomic_cas_32(&icmd->icmd_flags, old, new) != old); 1959 1960 cmd->cmd_comp_status = s; 1961 if (cmd->cmd_type == FCT_CMD_FCP_XCHG) { 1962 stmf_send_status_done((scsi_task_t *)cmd->cmd_specific, s, 1963 STMF_IOF_LPORT_DONE); 1964 return; 1965 } 1966 1967 if (cmd->cmd_type == FCT_CMD_RCVD_ELS) { 1968 fct_cmd_free(cmd); 1969 return; 1970 } else if (cmd->cmd_type == FCT_CMD_SOL_ELS) { 1971 fct_handle_sol_els_completion(iport, icmd); 1972 } else if (cmd->cmd_type == FCT_CMD_SOL_CT) { 1973 /* Tell the caller that we are done */ 1974 atomic_or_32(&icmd->icmd_flags, ICMD_CMD_COMPLETE); 1975 } else { 1976 ASSERT(0); 1977 } 1978 } 1979 1980 void 1981 fct_cmd_free(fct_cmd_t *cmd) 1982 { 1983 char info[80]; 1984 fct_i_cmd_t *icmd = (fct_i_cmd_t *)cmd->cmd_fct_private; 1985 fct_local_port_t *port = cmd->cmd_port; 1986 fct_i_local_port_t *iport = (fct_i_local_port_t *) 1987 port->port_fct_private; 1988 fct_i_remote_port_t *irp = NULL; 1989 int do_abts_acc = 0; 1990 uint32_t old, new; 1991 1992 ASSERT(!mutex_owned(&iport->iport_worker_lock)); 1993 /* Give the slot back */ 1994 if (CMD_HANDLE_VALID(cmd->cmd_handle)) { 1995 uint16_t n = CMD_HANDLE_SLOT_INDEX(cmd->cmd_handle); 1996 fct_cmd_slot_t *slot; 1997 1998 /* 1999 * If anything went wrong, grab the lock as writer. This is 2000 * probably unnecessary. 2001 */ 2002 if ((cmd->cmd_comp_status != FCT_SUCCESS) || 2003 (icmd->icmd_flags & ICMD_ABTS_RECEIVED)) { 2004 rw_enter(&iport->iport_lock, RW_WRITER); 2005 } else { 2006 rw_enter(&iport->iport_lock, RW_READER); 2007 } 2008 2009 if ((icmd->icmd_flags & ICMD_ABTS_RECEIVED) && 2010 (cmd->cmd_link != NULL)) { 2011 do_abts_acc = 1; 2012 } 2013 2014 /* XXX Validate slot before freeing */ 2015 2016 slot = &iport->iport_cmd_slots[n]; 2017 slot->slot_uniq_cntr++; 2018 slot->slot_cmd = NULL; 2019 do { 2020 old = iport->iport_next_free_slot; 2021 slot->slot_next = old & 0xFFFF; 2022 new = (old + 0x10000) & 0xFFFF0000; 2023 new |= slot->slot_no; 2024 } while (atomic_cas_32(&iport->iport_next_free_slot, 2025 old, new) != old); 2026 cmd->cmd_handle = 0; 2027 atomic_add_16(&iport->iport_nslots_free, 1); 2028 if (cmd->cmd_rp) { 2029 irp = (fct_i_remote_port_t *) 2030 cmd->cmd_rp->rp_fct_private; 2031 if (cmd->cmd_type == FCT_CMD_FCP_XCHG) 2032 atomic_add_16(&irp->irp_fcp_xchg_count, -1); 2033 else 2034 atomic_add_16(&irp->irp_nonfcp_xchg_count, -1); 2035 } 2036 rw_exit(&iport->iport_lock); 2037 } else if ((icmd->icmd_flags & ICMD_IMPLICIT) && 2038 (icmd->icmd_flags & ICMD_IMPLICIT_CMD_HAS_RESOURCE)) { 2039 /* for implicit cmd, no cmd slot is used */ 2040 if (cmd->cmd_rp) { 2041 irp = (fct_i_remote_port_t *) 2042 cmd->cmd_rp->rp_fct_private; 2043 if (cmd->cmd_type == FCT_CMD_FCP_XCHG) 2044 atomic_add_16(&irp->irp_fcp_xchg_count, -1); 2045 else 2046 atomic_add_16(&irp->irp_nonfcp_xchg_count, -1); 2047 } 2048 } 2049 2050 if (do_abts_acc) { 2051 fct_cmd_t *lcmd = cmd->cmd_link; 2052 fct_fill_abts_acc(lcmd); 2053 if (port->port_send_cmd_response(lcmd, 2054 FCT_IOF_FORCE_FCA_DONE) != FCT_SUCCESS) { 2055 /* 2056 * XXX Throw HBA fatal error event 2057 * Later shutdown svc will terminate the ABTS in the end 2058 */ 2059 (void) snprintf(info, 80, 2060 "fct_cmd_free: iport-%p, ABTS_ACC" 2061 " port_send_cmd_response failed", (void *)iport); 2062 info[79] = 0; 2063 (void) fct_port_shutdown(iport->iport_port, 2064 STMF_RFLAG_FATAL_ERROR | STMF_RFLAG_RESET, info); 2065 return; 2066 } else { 2067 fct_cmd_free(lcmd); 2068 cmd->cmd_link = NULL; 2069 } 2070 } 2071 2072 /* Free the cmd */ 2073 if (cmd->cmd_type == FCT_CMD_FCP_XCHG) { 2074 if (iport->iport_cached_ncmds < max_cached_ncmds) { 2075 icmd->icmd_flags = 0; 2076 mutex_enter(&iport->iport_cached_cmd_lock); 2077 icmd->icmd_next = iport->iport_cached_cmdlist; 2078 iport->iport_cached_cmdlist = icmd; 2079 iport->iport_cached_ncmds++; 2080 mutex_exit(&iport->iport_cached_cmd_lock); 2081 } else { 2082 atomic_add_32(&iport->iport_total_alloced_ncmds, -1); 2083 fct_free(cmd); 2084 } 2085 } else { 2086 fct_free(cmd); 2087 } 2088 } 2089 2090 /* ARGSUSED */ 2091 stmf_status_t 2092 fct_scsi_abort(stmf_local_port_t *lport, int abort_cmd, void *arg, 2093 uint32_t flags) 2094 { 2095 stmf_status_t ret = STMF_SUCCESS; 2096 scsi_task_t *task; 2097 fct_cmd_t *cmd; 2098 fct_i_cmd_t *icmd; 2099 fct_local_port_t *port; 2100 uint32_t old, new; 2101 2102 ASSERT(abort_cmd == STMF_LPORT_ABORT_TASK); 2103 2104 task = (scsi_task_t *)arg; 2105 cmd = (fct_cmd_t *)task->task_port_private; 2106 icmd = (fct_i_cmd_t *)cmd->cmd_fct_private; 2107 port = (fct_local_port_t *)lport->lport_port_private; 2108 2109 do { 2110 old = new = icmd->icmd_flags; 2111 if ((old & ICMD_KNOWN_TO_FCA) == 0) 2112 return (STMF_NOT_FOUND); 2113 ASSERT((old & ICMD_FCA_ABORT_CALLED) == 0); 2114 new |= ICMD_BEING_ABORTED | ICMD_FCA_ABORT_CALLED; 2115 } while (atomic_cas_32(&icmd->icmd_flags, old, new) != old); 2116 ret = port->port_abort_cmd(port, cmd, 0); 2117 if ((ret == FCT_NOT_FOUND) || (ret == FCT_ABORT_SUCCESS)) { 2118 atomic_and_32(&icmd->icmd_flags, ~ICMD_KNOWN_TO_FCA); 2119 } else if (ret == FCT_BUSY) { 2120 atomic_and_32(&icmd->icmd_flags, ~ICMD_FCA_ABORT_CALLED); 2121 } 2122 2123 return (ret); 2124 } 2125 2126 void 2127 fct_ctl(struct stmf_local_port *lport, int cmd, void *arg) 2128 { 2129 fct_local_port_t *port; 2130 fct_i_local_port_t *iport; 2131 stmf_change_status_t st; 2132 stmf_change_status_t *pst; 2133 2134 ASSERT((cmd == STMF_CMD_LPORT_ONLINE) || 2135 (cmd == STMF_ACK_LPORT_ONLINE_COMPLETE) || 2136 (cmd == STMF_CMD_LPORT_OFFLINE) || 2137 (cmd == STMF_ACK_LPORT_OFFLINE_COMPLETE) || 2138 (cmd == FCT_CMD_PORT_ONLINE_COMPLETE) || 2139 (cmd == FCT_CMD_PORT_OFFLINE_COMPLETE)); 2140 2141 port = (fct_local_port_t *)lport->lport_port_private; 2142 pst = (stmf_change_status_t *)arg; 2143 st.st_completion_status = STMF_SUCCESS; 2144 st.st_additional_info = NULL; 2145 2146 iport = (fct_i_local_port_t *)port->port_fct_private; 2147 /* 2148 * We are mostly a passthrough, except during offline. 2149 */ 2150 switch (cmd) { 2151 case STMF_CMD_LPORT_ONLINE: 2152 if (iport->iport_state == FCT_STATE_ONLINE) 2153 st.st_completion_status = STMF_ALREADY; 2154 else if (iport->iport_state != FCT_STATE_OFFLINE) 2155 st.st_completion_status = STMF_INVALID_ARG; 2156 if (st.st_completion_status != STMF_SUCCESS) { 2157 (void) stmf_ctl(STMF_CMD_LPORT_ONLINE_COMPLETE, lport, 2158 &st); 2159 break; 2160 } 2161 iport->iport_state_not_acked = 1; 2162 iport->iport_state = FCT_STATE_ONLINING; 2163 port->port_ctl(port, FCT_CMD_PORT_ONLINE, arg); 2164 break; 2165 case FCT_CMD_PORT_ONLINE_COMPLETE: 2166 ASSERT(iport->iport_state == FCT_STATE_ONLINING); 2167 if (pst->st_completion_status != FCT_SUCCESS) { 2168 iport->iport_state = FCT_STATE_OFFLINE; 2169 iport->iport_state_not_acked = 0; 2170 } else { 2171 iport->iport_state = FCT_STATE_ONLINE; 2172 } 2173 (void) stmf_ctl(STMF_CMD_LPORT_ONLINE_COMPLETE, lport, arg); 2174 break; 2175 case STMF_ACK_LPORT_ONLINE_COMPLETE: 2176 ASSERT(iport->iport_state == FCT_STATE_ONLINE); 2177 iport->iport_state_not_acked = 0; 2178 port->port_ctl(port, FCT_ACK_PORT_ONLINE_COMPLETE, arg); 2179 break; 2180 2181 case STMF_CMD_LPORT_OFFLINE: 2182 if (iport->iport_state == FCT_STATE_OFFLINE) 2183 st.st_completion_status = STMF_ALREADY; 2184 else if (iport->iport_state != FCT_STATE_ONLINE) 2185 st.st_completion_status = STMF_INVALID_ARG; 2186 if (st.st_completion_status != STMF_SUCCESS) { 2187 (void) stmf_ctl(STMF_CMD_LPORT_OFFLINE_COMPLETE, lport, 2188 &st); 2189 break; 2190 } 2191 iport->iport_state_not_acked = 1; 2192 iport->iport_state = FCT_STATE_OFFLINING; 2193 port->port_ctl(port, FCT_CMD_PORT_OFFLINE, arg); 2194 break; 2195 case FCT_CMD_PORT_OFFLINE_COMPLETE: 2196 ASSERT(iport->iport_state == FCT_STATE_OFFLINING); 2197 if (pst->st_completion_status != FCT_SUCCESS) { 2198 iport->iport_state = FCT_STATE_ONLINE; 2199 iport->iport_state_not_acked = 0; 2200 (void) stmf_ctl(STMF_CMD_LPORT_OFFLINE_COMPLETE, lport, 2201 pst); 2202 break; 2203 } 2204 2205 /* 2206 * If FCA's offline was successful, we dont tell stmf yet. 2207 * Becasue now we have to do the cleanup before we go upto 2208 * stmf. That cleanup is done by the worker thread. 2209 */ 2210 2211 /* FCA is offline, post a link down, its harmless anyway */ 2212 fct_handle_event(port, FCT_EVENT_LINK_DOWN, 0, 0); 2213 2214 /* Trigger port offline processing by the worker */ 2215 iport->iport_offline_prstate = FCT_OPR_START; 2216 break; 2217 case STMF_ACK_LPORT_OFFLINE_COMPLETE: 2218 ASSERT(iport->iport_state == FCT_STATE_OFFLINE); 2219 iport->iport_state_not_acked = 0; 2220 port->port_ctl(port, FCT_ACK_PORT_OFFLINE_COMPLETE, arg); 2221 break; 2222 } 2223 } 2224 2225 /* ARGSUSED */ 2226 stmf_status_t 2227 fct_info(uint32_t cmd, stmf_local_port_t *lport, void *arg, uint8_t *buf, 2228 uint32_t *bufsizep) 2229 { 2230 return (STMF_NOT_SUPPORTED); 2231 } 2232 2233 /* 2234 * implicit: if it's true, it means it will only be used in fct module, or else 2235 * it will be sent to the link. 2236 */ 2237 fct_cmd_t * 2238 fct_create_solels(fct_local_port_t *port, fct_remote_port_t *rp, int implicit, 2239 uchar_t elsop, uint32_t wkdid, fct_icmd_cb_t icmdcb) 2240 { 2241 fct_cmd_t *cmd = NULL; 2242 fct_i_cmd_t *icmd = NULL; 2243 fct_els_t *els = NULL; 2244 fct_i_remote_port_t *irp = NULL; 2245 uint8_t *p = NULL; 2246 uint32_t ptid = 0; 2247 2248 cmd = (fct_cmd_t *)fct_alloc(FCT_STRUCT_CMD_SOL_ELS, 2249 port->port_fca_sol_els_private_size, 0); 2250 if (!cmd) { 2251 return (NULL); 2252 } 2253 2254 if (rp) { 2255 irp = RP_TO_IRP(rp); 2256 } else if (((irp = fct_portid_to_portptr(PORT_TO_IPORT(port), 2257 wkdid)) == NULL) && (elsop != ELS_OP_PLOGI)) { 2258 stmf_trace(PORT_TO_IPORT(port)->iport_alias, 2259 "fct_create_solels: Must PLOGI to %x first", wkdid); 2260 fct_free(cmd); 2261 return (NULL); 2262 } 2263 2264 cmd->cmd_port = port; 2265 cmd->cmd_oxid = PTR2INT(cmd, uint16_t); 2266 cmd->cmd_rxid = 0xFFFF; 2267 cmd->cmd_handle = 0; 2268 icmd = CMD_TO_ICMD(cmd); 2269 els = ICMD_TO_ELS(icmd); 2270 icmd->icmd_cb = icmdcb; 2271 if (irp) { 2272 cmd->cmd_rp = irp->irp_rp; 2273 cmd->cmd_rp_handle = irp->irp_rp->rp_handle; 2274 cmd->cmd_rportid = irp->irp_rp->rp_id; 2275 } else { 2276 cmd->cmd_rp_handle = FCT_HANDLE_NONE; 2277 cmd->cmd_rportid = wkdid; 2278 } 2279 cmd->cmd_lportid = (PORT_TO_IPORT(port))->iport_link_info.portid; 2280 2281 if (implicit) { 2282 /* 2283 * Since we will not send it to FCA, so we only allocate space 2284 */ 2285 ASSERT(elsop & (ELS_OP_LOGO | ELS_OP_PLOGI)); 2286 icmd->icmd_flags |= ICMD_IMPLICIT; 2287 if (elsop == ELS_OP_LOGO) { 2288 /* 2289 * Handling implicit LOGO should dependent on as less 2290 * as resources. So a trick here. 2291 */ 2292 els->els_req_size = 1; 2293 els->els_req_payload = cmd->cmd_fca_private; 2294 } else { 2295 els->els_req_alloc_size = els->els_req_size = 116; 2296 els->els_resp_alloc_size = els->els_resp_size = 116; 2297 els->els_req_payload = (uint8_t *) 2298 kmem_zalloc(els->els_req_size, KM_SLEEP); 2299 els->els_resp_payload = (uint8_t *) 2300 kmem_zalloc(els->els_resp_size, KM_SLEEP); 2301 } 2302 } else { 2303 /* 2304 * Allocate space for its request and response 2305 * Fill the request payload according to spec. 2306 */ 2307 switch (elsop) { 2308 case ELS_OP_LOGO: 2309 els->els_resp_alloc_size = els->els_resp_size = 4; 2310 els->els_resp_payload = (uint8_t *)kmem_zalloc( 2311 els->els_resp_size, KM_SLEEP); 2312 els->els_req_alloc_size = els->els_req_size = 16; 2313 els->els_req_payload = (uint8_t *)kmem_zalloc( 2314 els->els_req_size, KM_SLEEP); 2315 ptid = PORT_TO_IPORT(port)->iport_link_info.portid; 2316 fct_value_to_netbuf(ptid, els->els_req_payload + 5, 3); 2317 bcopy(port->port_pwwn, els->els_req_payload + 8, 8); 2318 break; 2319 2320 case ELS_OP_RSCN: 2321 els->els_resp_alloc_size = els->els_resp_size = 4; 2322 els->els_resp_payload = (uint8_t *)kmem_zalloc( 2323 els->els_resp_size, KM_SLEEP); 2324 els->els_req_size = els->els_req_alloc_size = 8; 2325 els->els_req_payload = (uint8_t *)kmem_zalloc( 2326 els->els_req_size, KM_SLEEP); 2327 els->els_req_payload[1] = 0x04; 2328 els->els_req_payload[3] = 0x08; 2329 els->els_req_payload[4] |= 0x80; 2330 ptid = PORT_TO_IPORT(port)->iport_link_info.portid; 2331 fct_value_to_netbuf(ptid, els->els_req_payload + 5, 3); 2332 break; 2333 2334 case ELS_OP_PLOGI: 2335 els->els_resp_alloc_size = els->els_resp_size = 116; 2336 els->els_resp_payload = (uint8_t *) 2337 kmem_zalloc(els->els_resp_size, KM_SLEEP); 2338 els->els_req_alloc_size = els->els_req_size = 116; 2339 p = els->els_req_payload = (uint8_t *) 2340 kmem_zalloc(els->els_req_size, KM_SLEEP); 2341 bcopy(port->port_pwwn, p + 20, 8); 2342 bcopy(port->port_nwwn, p + 28, 8); 2343 2344 /* 2345 * Common service parameters 2346 */ 2347 p[0x04] = 0x09; /* high version */ 2348 p[0x05] = 0x08; /* low version */ 2349 p[0x06] = 0x00; /* BB credit: 0x0065 */ 2350 p[0x07] = 0x65; 2351 2352 /* CI0: Continuously Increasing Offset - 1 */ 2353 /* RRO: Randomly Relative Offset - 0 */ 2354 /* VVV: Vendor Version Level - 0 */ 2355 /* N-F: N or F Port Payload Sender - 0 (N) */ 2356 /* BBM: BB Credit Management - 0 (Normal) */ 2357 p[0x08] = 0x80; 2358 p[0x09] = 0x00; 2359 2360 /* Max RX size */ 2361 p[0x0A] = 0x08; 2362 p[0x0B] = 0x00; 2363 2364 /* NPTCS: N Port Total Concurrent Sequences - 0x0000 */ 2365 p[0x0C] = 0x00; 2366 p[0x0D] = 0x00; 2367 2368 /* ROIC: Relative Offset By Info - 0xFFFF */ 2369 p[0x0E] = 0xFF; 2370 p[0x0F] = 0xFF; 2371 2372 /* EDTOV: Error Detect Timeout - 0x000007D0 */ 2373 p[0x10] = 0x00; 2374 p[0x11] = 0x00; 2375 p[0x12] = 0x07; 2376 p[0x13] = 0xD0; 2377 2378 /* 2379 * Class-3 Parameters 2380 */ 2381 /* C3-VAL: Class 3 Value - 1 */ 2382 /* C3-XID: X_ID Reassignment - 0 */ 2383 /* C3-IPA: Initial Process Assignment */ 2384 /* C3-AI-DCC: Data compression capable */ 2385 /* C3-AI-DC-HB: Data compression history buffer size */ 2386 /* C3-AI-DCE: Data encrytion capable */ 2387 /* C3-AI-CSC: Clock synchronization capable */ 2388 /* C3-ErrPol: Error pliciy */ 2389 /* C3-CatSeq: Information Cat. Per Sequence */ 2390 /* C3-AR-DCC: */ 2391 /* C3-AR-DC-HB: */ 2392 /* C3-AR-DCE: */ 2393 /* C3-AR-CSC */ 2394 p[0x44] = 0x80; 2395 p[0x45] = 0x00; 2396 p[0x46] = 0x00; 2397 p[0x47] = 0x00; 2398 p[0x48] = 0x00; 2399 p[0x49] = 0x00; 2400 2401 /* C3-RxSize: Class 3 receive data size */ 2402 p[0x4A] = 0x08; 2403 p[0x4B] = 0x00; 2404 2405 /* C3-ConSeq: Class 3 Concourrent sequences */ 2406 p[0x4C] = 0x00; 2407 p[0x4D] = 0xFF; 2408 2409 /* C3-OSPE: Class 3 open sequence per exchange */ 2410 p[0x50] = 0x00; 2411 p[0x51] = 0x01; 2412 2413 break; 2414 2415 case ELS_OP_SCR: 2416 els->els_resp_alloc_size = els->els_resp_size = 4; 2417 els->els_resp_payload = (uint8_t *) 2418 kmem_zalloc(els->els_resp_size, KM_SLEEP); 2419 els->els_req_alloc_size = els->els_req_size = 8; 2420 p = els->els_req_payload = (uint8_t *) 2421 kmem_zalloc(els->els_req_size, KM_SLEEP); 2422 p[7] = FC_SCR_FULL_REGISTRATION; 2423 break; 2424 case ELS_OP_RLS: 2425 els->els_resp_alloc_size = els->els_resp_size = 28; 2426 els->els_resp_payload = (uint8_t *) 2427 kmem_zalloc(els->els_resp_size, KM_SLEEP); 2428 els->els_req_alloc_size = els->els_req_size = 8; 2429 p = els->els_req_payload = (uint8_t *) 2430 kmem_zalloc(els->els_req_size, KM_SLEEP); 2431 ptid = PORT_TO_IPORT(port)->iport_link_info.portid; 2432 fct_value_to_netbuf(ptid, els->els_req_payload + 5, 3); 2433 break; 2434 2435 default: 2436 ASSERT(0); 2437 } 2438 } 2439 2440 els->els_req_payload[0] = elsop; 2441 return (cmd); 2442 } 2443 2444 fct_cmd_t * 2445 fct_create_solct(fct_local_port_t *port, fct_remote_port_t *query_rp, 2446 uint16_t ctop, fct_icmd_cb_t icmdcb) 2447 { 2448 fct_cmd_t *cmd = NULL; 2449 fct_i_cmd_t *icmd = NULL; 2450 fct_sol_ct_t *ct = NULL; 2451 uint8_t *p = NULL; 2452 fct_i_remote_port_t *irp = NULL; 2453 fct_i_local_port_t *iport = NULL; 2454 char *nname = NULL; 2455 int namelen = 0; 2456 2457 /* 2458 * Allocate space 2459 */ 2460 cmd = fct_alloc(FCT_STRUCT_CMD_SOL_CT, 2461 port->port_fca_sol_ct_private_size, 0); 2462 if (!cmd) { 2463 return (NULL); 2464 } 2465 2466 /* 2467 * We should have PLOGIed to the name server (0xFFFFFC) 2468 * Caution: this irp is not query_rp->rp_fct_private. 2469 */ 2470 irp = fct_portid_to_portptr((fct_i_local_port_t *) 2471 port->port_fct_private, FS_NAME_SERVER); 2472 if (irp == NULL) { 2473 stmf_trace(PORT_TO_IPORT(port)->iport_alias, 2474 "fct_create_solct: Must PLOGI name server first"); 2475 fct_free(cmd); 2476 return (NULL); 2477 } 2478 2479 cmd->cmd_port = port; 2480 cmd->cmd_rp = irp->irp_rp; 2481 cmd->cmd_rp_handle = irp->irp_rp->rp_handle; 2482 cmd->cmd_rportid = irp->irp_rp->rp_id; 2483 cmd->cmd_lportid = (PORT_TO_IPORT(port))->iport_link_info.portid; 2484 cmd->cmd_oxid = PTR2INT(cmd, uint16_t); 2485 cmd->cmd_rxid = 0xFFFF; 2486 cmd->cmd_handle = 0; 2487 icmd = CMD_TO_ICMD(cmd); 2488 ct = ICMD_TO_CT(icmd); 2489 icmd->icmd_cb = icmdcb; 2490 iport = ICMD_TO_IPORT(icmd); 2491 2492 switch (ctop) { 2493 case NS_GSNN_NN: 2494 /* 2495 * Allocate max space for its sybolic name 2496 */ 2497 ct->ct_resp_alloc_size = ct->ct_resp_size = 272; 2498 ct->ct_resp_payload = (uint8_t *)kmem_zalloc(ct->ct_resp_size, 2499 KM_SLEEP); 2500 2501 ct->ct_req_size = ct->ct_req_alloc_size = 24; 2502 p = ct->ct_req_payload = (uint8_t *)kmem_zalloc(ct->ct_req_size, 2503 KM_SLEEP); 2504 2505 bcopy(query_rp->rp_nwwn, p + 16, 8); 2506 break; 2507 2508 case NS_RNN_ID: 2509 ct->ct_resp_alloc_size = ct->ct_resp_size = 16; 2510 ct->ct_resp_payload = (uint8_t *)kmem_zalloc(ct->ct_resp_size, 2511 KM_SLEEP); 2512 ct->ct_req_size = ct->ct_req_alloc_size = 28; 2513 p = ct->ct_req_payload = (uint8_t *)kmem_zalloc(ct->ct_req_size, 2514 KM_SLEEP); 2515 2516 /* 2517 * Port Identifier 2518 */ 2519 p[17] = (iport->iport_link_info.portid >> 16) & 0xFF; 2520 p[18] = (iport->iport_link_info.portid >> 8) & 0xFF; 2521 p[19] = (iport->iport_link_info.portid >> 0) & 0xFF; 2522 2523 /* 2524 * Node Name 2525 */ 2526 bcopy(port->port_nwwn, p + 20, 8); 2527 break; 2528 2529 case NS_RCS_ID: 2530 ct->ct_resp_alloc_size = ct->ct_resp_size = 16; 2531 ct->ct_resp_payload = (uint8_t *)kmem_zalloc(ct->ct_resp_size, 2532 KM_SLEEP); 2533 ct->ct_req_size = ct->ct_req_alloc_size = 24; 2534 p = ct->ct_req_payload = (uint8_t *)kmem_zalloc(ct->ct_req_size, 2535 KM_SLEEP); 2536 2537 /* 2538 * Port Identifier 2539 */ 2540 p[17] = (iport->iport_link_info.portid >> 16) & 0xFF; 2541 p[18] = (iport->iport_link_info.portid >> 8) & 0xFF; 2542 p[19] = (iport->iport_link_info.portid >> 0) & 0xFF; 2543 2544 /* 2545 * Class of Service 2546 */ 2547 *(p + 23) = FC_NS_CLASS3; 2548 break; 2549 2550 case NS_RFT_ID: 2551 ct->ct_resp_alloc_size = ct->ct_resp_size = 16; 2552 ct->ct_resp_payload = (uint8_t *)kmem_zalloc(ct->ct_resp_size, 2553 KM_SLEEP); 2554 ct->ct_req_size = ct->ct_req_alloc_size = 52; 2555 p = ct->ct_req_payload = (uint8_t *)kmem_zalloc(ct->ct_req_size, 2556 KM_SLEEP); 2557 2558 /* 2559 * Port Identifier 2560 */ 2561 p[17] = (iport->iport_link_info.portid >> 16) & 0xFF; 2562 p[18] = (iport->iport_link_info.portid >> 8) & 0xFF; 2563 p[19] = (iport->iport_link_info.portid >> 0) & 0xFF; 2564 2565 /* 2566 * FC-4 Protocol Types 2567 */ 2568 *(p + 22) = 0x1; /* 0x100 */ 2569 break; 2570 2571 case NS_RSPN_ID: 2572 /* 2573 * If we get here, port->port_sym_port_name is always not NULL. 2574 */ 2575 ASSERT(port->port_sym_port_name); 2576 namelen = strlen(port->port_sym_port_name); 2577 ct->ct_resp_alloc_size = ct->ct_resp_size = 16; 2578 ct->ct_resp_payload = (uint8_t *)kmem_zalloc(ct->ct_resp_size, 2579 KM_SLEEP); 2580 ct->ct_req_size = ct->ct_req_alloc_size = 2581 (21 + namelen + 3) & ~3; 2582 p = ct->ct_req_payload = (uint8_t *)kmem_zalloc(ct->ct_req_size, 2583 KM_SLEEP); 2584 2585 /* 2586 * Port Identifier 2587 */ 2588 p[17] = (iport->iport_link_info.portid >> 16) & 0xFF; 2589 p[18] = (iport->iport_link_info.portid >> 8) & 0xFF; 2590 p[19] = (iport->iport_link_info.portid >> 0) & 0xFF; 2591 2592 /* 2593 * String length 2594 */ 2595 p[20] = namelen; 2596 2597 /* 2598 * Symbolic port name 2599 */ 2600 bcopy(port->port_sym_port_name, p + 21, ct->ct_req_size - 21); 2601 break; 2602 2603 case NS_RSNN_NN: 2604 namelen = port->port_sym_node_name == NULL ? 2605 strlen(utsname.nodename) : 2606 strlen(port->port_sym_node_name); 2607 nname = port->port_sym_node_name == NULL ? 2608 utsname.nodename : port->port_sym_node_name; 2609 2610 ct->ct_resp_alloc_size = ct->ct_resp_size = 16; 2611 ct->ct_resp_payload = (uint8_t *)kmem_zalloc(ct->ct_resp_size, 2612 KM_SLEEP); 2613 ct->ct_req_size = ct->ct_req_alloc_size = 2614 (25 + namelen + 3) & ~3; 2615 p = ct->ct_req_payload = (uint8_t *)kmem_zalloc(ct->ct_req_size, 2616 KM_SLEEP); 2617 2618 /* 2619 * Node name 2620 */ 2621 bcopy(port->port_nwwn, p + 16, 8); 2622 2623 /* 2624 * String length 2625 */ 2626 p[24] = namelen; 2627 2628 /* 2629 * Symbolic node name 2630 */ 2631 bcopy(nname, p + 25, ct->ct_req_size - 25); 2632 break; 2633 2634 case NS_GSPN_ID: 2635 ct->ct_resp_alloc_size = ct->ct_resp_size = 272; 2636 ct->ct_resp_payload = (uint8_t *)kmem_zalloc(ct->ct_resp_size, 2637 KM_SLEEP); 2638 ct->ct_req_size = ct->ct_req_alloc_size = 20; 2639 p = ct->ct_req_payload = (uint8_t *)kmem_zalloc(ct->ct_req_size, 2640 KM_SLEEP); 2641 /* 2642 * Port Identifier 2643 */ 2644 p[17] = (query_rp->rp_id >> 16) & 0xFF; 2645 p[18] = (query_rp->rp_id >> 8) & 0xFF; 2646 p[19] = (query_rp->rp_id >> 0) & 0xFF; 2647 break; 2648 2649 case NS_GCS_ID: 2650 ct->ct_resp_alloc_size = ct->ct_resp_size = 20; 2651 ct->ct_resp_payload = (uint8_t *)kmem_zalloc(ct->ct_resp_size, 2652 KM_SLEEP); 2653 ct->ct_req_size = ct->ct_req_alloc_size = 20; 2654 p = ct->ct_req_payload = (uint8_t *)kmem_zalloc(ct->ct_req_size, 2655 KM_SLEEP); 2656 /* 2657 * Port Identifier 2658 */ 2659 p[17] = (query_rp->rp_id >> 16) & 0xFF; 2660 p[18] = (query_rp->rp_id >> 8) & 0xFF; 2661 p[19] = (query_rp->rp_id >> 0) & 0xFF; 2662 break; 2663 2664 case NS_GFT_ID: 2665 ct->ct_resp_alloc_size = ct->ct_resp_size = 48; 2666 ct->ct_resp_payload = (uint8_t *)kmem_zalloc(ct->ct_resp_size, 2667 KM_SLEEP); 2668 ct->ct_req_size = ct->ct_req_alloc_size = 20; 2669 p = ct->ct_req_payload = (uint8_t *)kmem_zalloc(ct->ct_req_size, 2670 KM_SLEEP); 2671 /* 2672 * Port Identifier 2673 */ 2674 p[17] = (query_rp->rp_id >> 16) & 0xFF; 2675 p[18] = (query_rp->rp_id >> 8) & 0xFF; 2676 p[19] = (query_rp->rp_id >> 0) & 0xFF; 2677 break; 2678 2679 case NS_GID_PN: 2680 ct->ct_resp_alloc_size = ct->ct_resp_size = 20; 2681 ct->ct_resp_payload = (uint8_t *)kmem_zalloc(ct->ct_resp_size, 2682 KM_SLEEP); 2683 2684 ct->ct_req_size = ct->ct_req_alloc_size = 24; 2685 p = ct->ct_req_payload = (uint8_t *)kmem_zalloc(ct->ct_req_size, 2686 KM_SLEEP); 2687 2688 bcopy(query_rp->rp_pwwn, p + 16, 8); 2689 break; 2690 2691 default: 2692 /* CONSTCOND */ 2693 ASSERT(0); 2694 } 2695 2696 FCT_FILL_CTIU_PREAMPLE(p, ctop); 2697 return (cmd); 2698 } 2699 2700 /* 2701 * Cmd can only be solicited CT/ELS. They will be dispatched to the discovery 2702 * queue eventually too. 2703 * We queue solicited cmds here to track solicited cmds and to take full use 2704 * of single thread mechanism. 2705 * But in current implmentation, we don't use this mechanism on SOL_CT, PLOGI. 2706 * To avoid to interrupt current flow, ICMD_IN_SOLCMD_QUEUE is used here. 2707 */ 2708 void 2709 fct_post_to_solcmd_queue(fct_local_port_t *port, fct_cmd_t *cmd) 2710 { 2711 fct_i_local_port_t *iport = (fct_i_local_port_t *) 2712 port->port_fct_private; 2713 fct_i_cmd_t *icmd = (fct_i_cmd_t *)cmd->cmd_fct_private; 2714 2715 mutex_enter(&iport->iport_worker_lock); 2716 icmd->icmd_solcmd_next = iport->iport_solcmd_queue; 2717 iport->iport_solcmd_queue = icmd; 2718 atomic_or_32(&icmd->icmd_flags, ICMD_IN_SOLCMD_QUEUE | ICMD_SOLCMD_NEW); 2719 if (IS_WORKER_SLEEPING(iport)) { 2720 cv_signal(&iport->iport_worker_cv); 2721 } 2722 mutex_exit(&iport->iport_worker_lock); 2723 } 2724 2725 /* ARGSUSED */ 2726 void 2727 fct_event_handler(stmf_local_port_t *lport, int eventid, void *arg, 2728 uint32_t flags) 2729 { 2730 fct_local_port_t *port = (fct_local_port_t *) 2731 lport->lport_port_private; 2732 fct_i_local_port_t *iport = (fct_i_local_port_t *) 2733 port->port_fct_private; 2734 stmf_scsi_session_t *ss; 2735 fct_i_remote_port_t *irp; 2736 2737 switch (eventid) { 2738 case LPORT_EVENT_INITIAL_LUN_MAPPED: 2739 ss = (stmf_scsi_session_t *)arg; 2740 irp = (fct_i_remote_port_t *)ss->ss_port_private; 2741 stmf_trace(iport->iport_alias, 2742 "Initial LUN mapped to session ss-%p, irp-%p", ss, irp); 2743 break; 2744 2745 default: 2746 stmf_trace(iport->iport_alias, 2747 "Unknown event received, %d", eventid); 2748 } 2749 } 2750 2751 void 2752 fct_send_cmd_done(fct_cmd_t *cmd, fct_status_t s, uint32_t ioflags) 2753 { 2754 /* XXX For now just call send_resp_done() */ 2755 fct_send_response_done(cmd, s, ioflags); 2756 } 2757 2758 void 2759 fct_cmd_fca_aborted(fct_cmd_t *cmd, fct_status_t s, uint32_t ioflags) 2760 { 2761 fct_i_cmd_t *icmd = (fct_i_cmd_t *)cmd->cmd_fct_private; 2762 char info[160]; 2763 unsigned long long st; 2764 2765 st = s; /* To make gcc happy */ 2766 ASSERT(icmd->icmd_flags & ICMD_BEING_ABORTED); 2767 if ((((s != FCT_ABORT_SUCCESS) && (s != FCT_NOT_FOUND))) || 2768 ((ioflags & FCT_IOF_FCA_DONE) == 0)) { 2769 (void) snprintf(info, 160, "fct_cmd_fca_aborted: cmd-%p, " 2770 "s-%llx, iofalgs-%x", (void *)cmd, st, ioflags); 2771 info[159] = 0; 2772 (void) fct_port_shutdown(cmd->cmd_port, 2773 STMF_RFLAG_FATAL_ERROR | STMF_RFLAG_RESET, info); 2774 return; 2775 } 2776 2777 atomic_and_32(&icmd->icmd_flags, ~ICMD_KNOWN_TO_FCA); 2778 /* For non FCP Rest of the work is done by the terminator */ 2779 /* For FCP stuff just call stmf */ 2780 if (cmd->cmd_type == FCT_CMD_FCP_XCHG) { 2781 stmf_task_lport_aborted((scsi_task_t *)cmd->cmd_specific, 2782 s, STMF_IOF_LPORT_DONE); 2783 } 2784 } 2785 2786 /* 2787 * FCA drivers will use it, when they want to abort some FC transactions 2788 * due to lack of resource. 2789 */ 2790 uint16_t 2791 fct_get_rp_handle(fct_local_port_t *port, uint32_t rportid) 2792 { 2793 fct_i_remote_port_t *irp; 2794 2795 irp = fct_portid_to_portptr( 2796 (fct_i_local_port_t *)(port->port_fct_private), rportid); 2797 if (irp == NULL) { 2798 return (0xFFFF); 2799 } else { 2800 return (irp->irp_rp->rp_handle); 2801 } 2802 } 2803 2804 fct_cmd_t * 2805 fct_handle_to_cmd(fct_local_port_t *port, uint32_t fct_handle) 2806 { 2807 fct_cmd_slot_t *slot; 2808 uint16_t ndx; 2809 2810 if (!CMD_HANDLE_VALID(fct_handle)) 2811 return (NULL); 2812 if ((ndx = CMD_HANDLE_SLOT_INDEX(fct_handle)) >= port->port_max_xchges) 2813 return (NULL); 2814 2815 slot = &((fct_i_local_port_t *)port->port_fct_private)->iport_cmd_slots[ 2816 ndx]; 2817 2818 if ((slot->slot_uniq_cntr | 0x80) != (fct_handle >> 24)) 2819 return (NULL); 2820 return (slot->slot_cmd->icmd_cmd); 2821 } 2822 2823 void 2824 fct_queue_scsi_task_for_termination(fct_cmd_t *cmd, fct_status_t s) 2825 { 2826 fct_i_cmd_t *icmd = (fct_i_cmd_t *)cmd->cmd_fct_private; 2827 2828 uint32_t old, new; 2829 2830 do { 2831 old = icmd->icmd_flags; 2832 if ((old & (ICMD_BEING_ABORTED | ICMD_KNOWN_TO_FCA)) != 2833 ICMD_KNOWN_TO_FCA) 2834 return; 2835 new = old | ICMD_BEING_ABORTED; 2836 } while (atomic_cas_32(&icmd->icmd_flags, old, new) != old); 2837 stmf_abort(STMF_QUEUE_TASK_ABORT, (scsi_task_t *)cmd->cmd_specific, 2838 s, NULL); 2839 } 2840 2841 void 2842 fct_fill_abts_acc(fct_cmd_t *cmd) 2843 { 2844 fct_rcvd_abts_t *abts = (fct_rcvd_abts_t *)cmd->cmd_specific; 2845 uint8_t *p; 2846 2847 abts->abts_resp_rctl = BLS_OP_BA_ACC; 2848 p = abts->abts_resp_payload; 2849 bzero(p, 12); 2850 *((uint16_t *)(p+4)) = BE_16(cmd->cmd_oxid); 2851 *((uint16_t *)(p+6)) = BE_16(cmd->cmd_rxid); 2852 p[10] = p[11] = 0xff; 2853 } 2854 2855 void 2856 fct_handle_rcvd_abts(fct_cmd_t *cmd) 2857 { 2858 char info[80]; 2859 fct_local_port_t *port = cmd->cmd_port; 2860 fct_i_local_port_t *iport = 2861 (fct_i_local_port_t *)port->port_fct_private; 2862 fct_i_cmd_t *icmd = (fct_i_cmd_t *)cmd->cmd_fct_private; 2863 fct_i_remote_port_t *irp; 2864 fct_cmd_t *c = NULL; 2865 fct_i_cmd_t *ic = NULL; 2866 int found = 0; 2867 int i; 2868 2869 icmd->icmd_start_time = ddi_get_lbolt(); 2870 icmd->icmd_flags |= ICMD_KNOWN_TO_FCA; 2871 2872 rw_enter(&iport->iport_lock, RW_WRITER); 2873 /* Make sure local port is sane */ 2874 if ((iport->iport_link_state & S_LINK_ONLINE) == 0) { 2875 rw_exit(&iport->iport_lock); 2876 stmf_trace(iport->iport_alias, "ABTS not posted becasue" 2877 "port state was %x", iport->iport_link_state); 2878 fct_queue_cmd_for_termination(cmd, FCT_LOCAL_PORT_OFFLINE); 2879 return; 2880 } 2881 2882 if (cmd->cmd_rp_handle == FCT_HANDLE_NONE) 2883 irp = fct_portid_to_portptr(iport, cmd->cmd_rportid); 2884 else if (cmd->cmd_rp_handle < port->port_max_logins) 2885 irp = iport->iport_rp_slots[cmd->cmd_rp_handle]; 2886 else 2887 irp = NULL; 2888 if (irp == NULL) { 2889 /* XXX Throw a logout to the initiator */ 2890 rw_exit(&iport->iport_lock); 2891 stmf_trace(iport->iport_alias, "ABTS received from" 2892 " %x without a session", cmd->cmd_rportid); 2893 fct_queue_cmd_for_termination(cmd, FCT_NOT_LOGGED_IN); 2894 return; 2895 } 2896 2897 DTRACE_FC_3(abts__receive, 2898 fct_cmd_t, cmd, 2899 fct_local_port_t, port, 2900 fct_i_remote_port_t, irp); 2901 2902 cmd->cmd_rp = irp->irp_rp; 2903 2904 /* 2905 * No need to allocate an xchg resource. ABTSes use the same 2906 * xchg resource as the cmd they are aborting. 2907 */ 2908 rw_enter(&irp->irp_lock, RW_WRITER); 2909 mutex_enter(&iport->iport_worker_lock); 2910 /* Lets find the command first */ 2911 for (i = 0; i < port->port_max_xchges; i++) { 2912 if ((ic = iport->iport_cmd_slots[i].slot_cmd) == NULL) 2913 continue; 2914 if ((ic->icmd_flags & ICMD_KNOWN_TO_FCA) == 0) 2915 continue; 2916 c = ic->icmd_cmd; 2917 if (!CMD_HANDLE_VALID(c->cmd_handle)) 2918 continue; 2919 if ((c->cmd_rportid != cmd->cmd_rportid) || 2920 (c->cmd_oxid != cmd->cmd_oxid)) 2921 continue; 2922 /* Found the command */ 2923 found = 1; 2924 break; 2925 } 2926 if (!found) { 2927 mutex_exit(&iport->iport_worker_lock); 2928 rw_exit(&irp->irp_lock); 2929 rw_exit(&iport->iport_lock); 2930 /* Dont even bother queueing it. Just respond */ 2931 fct_fill_abts_acc(cmd); 2932 if (port->port_send_cmd_response(cmd, 2933 FCT_IOF_FORCE_FCA_DONE) != FCT_SUCCESS) { 2934 /* 2935 * XXX Throw HBA fatal error event 2936 * Later shutdown svc will terminate the ABTS in the end 2937 */ 2938 (void) snprintf(info, 80, 2939 "fct_handle_rcvd_abts: iport-%p, " 2940 "ABTS_ACC port_send_cmd_response failed", 2941 (void *)iport); 2942 info[79] = 0; 2943 (void) fct_port_shutdown(iport->iport_port, 2944 STMF_RFLAG_FATAL_ERROR | STMF_RFLAG_RESET, info); 2945 } else { 2946 fct_cmd_free(cmd); 2947 } 2948 return; 2949 } 2950 2951 /* Check if this an abts retry */ 2952 if (c->cmd_link && (ic->icmd_flags & ICMD_ABTS_RECEIVED)) { 2953 /* Kill this abts. */ 2954 fct_q_for_termination_lock_held(iport, icmd, FCT_ABORTED); 2955 if (IS_WORKER_SLEEPING(iport)) 2956 cv_signal(&iport->iport_worker_cv); 2957 mutex_exit(&iport->iport_worker_lock); 2958 rw_exit(&irp->irp_lock); 2959 rw_exit(&iport->iport_lock); 2960 return; 2961 } 2962 c->cmd_link = cmd; 2963 atomic_or_32(&ic->icmd_flags, ICMD_ABTS_RECEIVED); 2964 cmd->cmd_link = c; 2965 mutex_exit(&iport->iport_worker_lock); 2966 rw_exit(&irp->irp_lock); 2967 fct_queue_cmd_for_termination(c, FCT_ABTS_RECEIVED); 2968 rw_exit(&iport->iport_lock); 2969 } 2970 2971 void 2972 fct_queue_cmd_for_termination(fct_cmd_t *cmd, fct_status_t s) 2973 { 2974 fct_local_port_t *port = cmd->cmd_port; 2975 fct_i_local_port_t *iport = (fct_i_local_port_t *) 2976 port->port_fct_private; 2977 fct_i_cmd_t *icmd = (fct_i_cmd_t *)cmd->cmd_fct_private; 2978 2979 if (cmd->cmd_type == FCT_CMD_FCP_XCHG) { 2980 fct_queue_scsi_task_for_termination(cmd, s); 2981 return; 2982 } 2983 mutex_enter(&iport->iport_worker_lock); 2984 fct_q_for_termination_lock_held(iport, icmd, s); 2985 if (IS_WORKER_SLEEPING(iport)) 2986 cv_signal(&iport->iport_worker_cv); 2987 mutex_exit(&iport->iport_worker_lock); 2988 } 2989 2990 /* 2991 * This function will not be called for SCSI CMDS 2992 */ 2993 void 2994 fct_q_for_termination_lock_held(fct_i_local_port_t *iport, fct_i_cmd_t *icmd, 2995 fct_status_t s) 2996 { 2997 uint32_t old, new; 2998 fct_i_cmd_t **ppicmd; 2999 3000 do { 3001 old = icmd->icmd_flags; 3002 if (old & ICMD_BEING_ABORTED) 3003 return; 3004 new = old | ICMD_BEING_ABORTED; 3005 } while (atomic_cas_32(&icmd->icmd_flags, old, new) != old); 3006 3007 icmd->icmd_start_time = ddi_get_lbolt(); 3008 icmd->icmd_cmd->cmd_comp_status = s; 3009 3010 icmd->icmd_next = NULL; 3011 for (ppicmd = &(iport->iport_abort_queue); *ppicmd != NULL; 3012 ppicmd = &((*ppicmd)->icmd_next)) 3013 ; 3014 3015 *ppicmd = icmd; 3016 } 3017 3018 /* 3019 * For those cmds, for which we called fca_abort but it has not yet completed, 3020 * reset the FCA_ABORT_CALLED flag, so that abort can be called again. 3021 * This is done after a FCA offline. The reason is that after offline, the 3022 * firmware is not running so abort will never complete. But if we call it 3023 * again, the FCA will detect that it is not offline and it will 3024 * not call the firmware at all. Most likely it will abort in a synchronous 3025 * manner i.e. return FCT_ABORT_SUCCESS or FCT_NOT_FOUND. 3026 */ 3027 void 3028 fct_reset_flag_abort_called(fct_i_local_port_t *iport) 3029 { 3030 fct_i_cmd_t *icmd; 3031 uint32_t old, new; 3032 int i, do_clear; 3033 3034 ASSERT(mutex_owned(&iport->iport_worker_lock)); 3035 mutex_exit(&iport->iport_worker_lock); 3036 rw_enter(&iport->iport_lock, RW_WRITER); 3037 mutex_enter(&iport->iport_worker_lock); 3038 3039 for (i = 0; i < iport->iport_port->port_max_xchges; i++) { 3040 if (iport->iport_cmd_slots[i].slot_cmd == NULL) 3041 continue; 3042 3043 icmd = iport->iport_cmd_slots[i].slot_cmd; 3044 3045 do { 3046 old = new = icmd->icmd_flags; 3047 if ((old & (ICMD_KNOWN_TO_FCA | 3048 ICMD_FCA_ABORT_CALLED)) == (ICMD_KNOWN_TO_FCA | 3049 ICMD_FCA_ABORT_CALLED)) { 3050 new &= ~ICMD_FCA_ABORT_CALLED; 3051 do_clear = 1; 3052 } else { 3053 do_clear = 0; 3054 break; 3055 } 3056 } while (atomic_cas_32(&icmd->icmd_flags, old, new) != old); 3057 if (do_clear && 3058 (icmd->icmd_cmd->cmd_type == FCT_CMD_FCP_XCHG)) { 3059 stmf_abort(STMF_REQUEUE_TASK_ABORT_LPORT, 3060 icmd->icmd_cmd->cmd_specific, 0, NULL); 3061 } 3062 } 3063 3064 rw_exit(&iport->iport_lock); 3065 } 3066 3067 /* 3068 * Modify the irp_deregister_timer such that the ports start deregistering 3069 * quickly. 3070 */ 3071 void 3072 fct_irp_deregister_speedup(fct_i_local_port_t *iport) 3073 { 3074 fct_i_remote_port_t *irp; 3075 int i; 3076 3077 if (!iport->iport_nrps) 3078 return; 3079 3080 for (i = 0; i < rportid_table_size; i++) { 3081 irp = iport->iport_rp_tb[i]; 3082 while (irp) { 3083 irp->irp_deregister_timer = ddi_get_lbolt() - 1; 3084 irp = irp->irp_next; 3085 } 3086 } 3087 } 3088 3089 disc_action_t 3090 fct_handle_port_offline(fct_i_local_port_t *iport) 3091 { 3092 if (iport->iport_offline_prstate == FCT_OPR_START) { 3093 fct_reset_flag_abort_called(iport); 3094 iport->iport_offline_prstate = FCT_OPR_CMD_CLEANUP_WAIT; 3095 /* fct_ctl has already submitted a link offline event */ 3096 return (DISC_ACTION_DELAY_RESCAN); 3097 } 3098 if (iport->iport_offline_prstate == FCT_OPR_CMD_CLEANUP_WAIT) { 3099 if (iport->iport_link_state != PORT_STATE_LINK_DOWN) 3100 return (DISC_ACTION_DELAY_RESCAN); 3101 /* 3102 * All I/Os have been killed at this time. Lets speedup 3103 * the port deregister process. 3104 */ 3105 mutex_exit(&iport->iport_worker_lock); 3106 rw_enter(&iport->iport_lock, RW_WRITER); 3107 fct_irp_deregister_speedup(iport); 3108 rw_exit(&iport->iport_lock); 3109 mutex_enter(&iport->iport_worker_lock); 3110 iport->iport_offline_prstate = FCT_OPR_INT_CLEANUP_WAIT; 3111 return (DISC_ACTION_RESCAN); 3112 } 3113 if (iport->iport_offline_prstate == FCT_OPR_INT_CLEANUP_WAIT) { 3114 stmf_change_status_t st; 3115 3116 if (iport->iport_solcmd_queue) { 3117 return (DISC_ACTION_DELAY_RESCAN); 3118 } 3119 3120 if (iport->iport_nrps) { 3121 /* 3122 * A port logout may have gone when implicit logo all 3123 * was retried. So do the port speedup again here. 3124 */ 3125 mutex_exit(&iport->iport_worker_lock); 3126 rw_enter(&iport->iport_lock, RW_WRITER); 3127 fct_irp_deregister_speedup(iport); 3128 rw_exit(&iport->iport_lock); 3129 mutex_enter(&iport->iport_worker_lock); 3130 return (DISC_ACTION_DELAY_RESCAN); 3131 } 3132 3133 if (iport->iport_event_head != NULL) { 3134 return (DISC_ACTION_DELAY_RESCAN); 3135 } 3136 3137 st.st_completion_status = STMF_SUCCESS; 3138 st.st_additional_info = NULL; 3139 iport->iport_offline_prstate = FCT_OPR_DONE; 3140 iport->iport_state = FCT_STATE_OFFLINE; 3141 mutex_exit(&iport->iport_worker_lock); 3142 (void) stmf_ctl(STMF_CMD_LPORT_OFFLINE_COMPLETE, 3143 iport->iport_port->port_lport, &st); 3144 mutex_enter(&iport->iport_worker_lock); 3145 return (DISC_ACTION_DELAY_RESCAN); 3146 } 3147 3148 /* NOTREACHED */ 3149 return (0); 3150 } 3151 3152 /* 3153 * See stmf.h for information on rflags. Additional info is just a text 3154 * description of the reason for this call. Additional_info can be NULL. 3155 * Also the caller can declare additional info on the stack. stmf_ctl 3156 * makes a copy of it before returning. 3157 */ 3158 fct_status_t 3159 fct_port_initialize(fct_local_port_t *port, uint32_t rflags, 3160 char *additional_info) 3161 { 3162 stmf_state_change_info_t st; 3163 3164 st.st_rflags = rflags; 3165 st.st_additional_info = additional_info; 3166 stmf_trace(NULL, "fct_port_initialize: port-%p, %s", port, 3167 additional_info? additional_info : "no more information"); 3168 return (stmf_ctl(STMF_CMD_LPORT_ONLINE, port->port_lport, &st)); 3169 } 3170 3171 fct_status_t 3172 fct_port_shutdown(fct_local_port_t *port, uint32_t rflags, 3173 char *additional_info) 3174 { 3175 stmf_state_change_info_t st; 3176 3177 st.st_rflags = rflags; 3178 st.st_additional_info = additional_info; 3179 stmf_trace(NULL, "fct_port_shutdown: port-%p, %s", port, 3180 additional_info? additional_info : "no more information"); 3181 return (stmf_ctl(STMF_CMD_LPORT_OFFLINE, port->port_lport, &st)); 3182 } 3183 3184 /* 3185 * Called by worker thread. The aim is to terminate the command 3186 * using whatever means it takes. 3187 * Called with worker lock held. 3188 */ 3189 disc_action_t 3190 fct_cmd_terminator(fct_i_local_port_t *iport) 3191 { 3192 char info[80]; 3193 clock_t endtime; 3194 fct_i_cmd_t **ppicmd; 3195 fct_i_cmd_t *icmd; 3196 fct_cmd_t *cmd; 3197 fct_local_port_t *port = iport->iport_port; 3198 disc_action_t ret = DISC_ACTION_NO_WORK; 3199 fct_status_t abort_ret; 3200 int fca_done, fct_done, cmd_implicit = 0; 3201 int flags; 3202 unsigned long long st; 3203 3204 /* Lets Limit each run to 20ms max. */ 3205 endtime = ddi_get_lbolt() + drv_usectohz(20000); 3206 3207 /* Start from where we left off last time */ 3208 if (iport->iport_ppicmd_term) { 3209 ppicmd = iport->iport_ppicmd_term; 3210 iport->iport_ppicmd_term = NULL; 3211 } else { 3212 ppicmd = &iport->iport_abort_queue; 3213 } 3214 3215 /* 3216 * Once a command gets on discovery queue, this is the only thread 3217 * which can access it. So no need for the lock here. 3218 */ 3219 mutex_exit(&iport->iport_worker_lock); 3220 3221 while ((icmd = *ppicmd) != NULL) { 3222 cmd = icmd->icmd_cmd; 3223 3224 /* Always remember that cmd->cmd_rp can be NULL */ 3225 if ((icmd->icmd_flags & (ICMD_KNOWN_TO_FCA | 3226 ICMD_FCA_ABORT_CALLED)) == ICMD_KNOWN_TO_FCA) { 3227 atomic_or_32(&icmd->icmd_flags, ICMD_FCA_ABORT_CALLED); 3228 if (CMD_HANDLE_VALID(cmd->cmd_handle)) 3229 flags = 0; 3230 else 3231 flags = FCT_IOF_FORCE_FCA_DONE; 3232 abort_ret = port->port_abort_cmd(port, cmd, flags); 3233 if ((abort_ret != FCT_SUCCESS) && 3234 (abort_ret != FCT_ABORT_SUCCESS) && 3235 (abort_ret != FCT_NOT_FOUND)) { 3236 if (flags & FCT_IOF_FORCE_FCA_DONE) { 3237 /* 3238 * XXX trigger port fatal, 3239 * Abort the termination, and shutdown 3240 * svc will trigger fct_cmd_termination 3241 * again. 3242 */ 3243 (void) snprintf(info, 80, 3244 "fct_cmd_terminator:" 3245 " iport-%p, port_abort_cmd with " 3246 "FORCE_FCA_DONE failed", 3247 (void *)iport); 3248 info[79] = 0; 3249 (void) fct_port_shutdown( 3250 iport->iport_port, 3251 STMF_RFLAG_FATAL_ERROR | 3252 STMF_RFLAG_RESET, info); 3253 3254 mutex_enter(&iport->iport_worker_lock); 3255 iport->iport_ppicmd_term = ppicmd; 3256 return (DISC_ACTION_DELAY_RESCAN); 3257 } 3258 atomic_and_32(&icmd->icmd_flags, 3259 ~ICMD_FCA_ABORT_CALLED); 3260 } else if ((flags & FCT_IOF_FORCE_FCA_DONE) || 3261 (abort_ret == FCT_ABORT_SUCCESS) || 3262 (abort_ret == FCT_NOT_FOUND)) { 3263 atomic_and_32(&icmd->icmd_flags, 3264 ~ICMD_KNOWN_TO_FCA); 3265 } 3266 ret |= DISC_ACTION_DELAY_RESCAN; 3267 } else if (icmd->icmd_flags & ICMD_IMPLICIT) { 3268 if (cmd->cmd_type == FCT_CMD_SOL_ELS) 3269 cmd->cmd_comp_status = FCT_ABORTED; 3270 atomic_or_32(&icmd->icmd_flags, ICMD_FCA_ABORT_CALLED); 3271 cmd_implicit = 1; 3272 } 3273 if ((icmd->icmd_flags & ICMD_KNOWN_TO_FCA) == 0) 3274 fca_done = 1; 3275 else 3276 fca_done = 0; 3277 if ((icmd->icmd_flags & ICMD_IN_IRP_QUEUE) == 0) 3278 fct_done = 1; 3279 else 3280 fct_done = 0; 3281 if ((fca_done || cmd_implicit) && fct_done) { 3282 mutex_enter(&iport->iport_worker_lock); 3283 ASSERT(*ppicmd == icmd); 3284 *ppicmd = (*ppicmd)->icmd_next; 3285 mutex_exit(&iport->iport_worker_lock); 3286 if ((cmd->cmd_type == FCT_CMD_RCVD_ELS) || 3287 (cmd->cmd_type == FCT_CMD_RCVD_ABTS)) { 3288 /* Free the cmd */ 3289 fct_cmd_free(cmd); 3290 } else if (cmd->cmd_type == FCT_CMD_SOL_ELS) { 3291 fct_handle_sol_els_completion(iport, icmd); 3292 if (icmd->icmd_flags & ICMD_IMPLICIT) { 3293 if (IS_LOGO_ELS(icmd)) { 3294 /* IMPLICIT LOGO is special */ 3295 fct_cmd_free(cmd); 3296 } 3297 } 3298 } else if (cmd->cmd_type == FCT_CMD_SOL_CT) { 3299 fct_sol_ct_t *ct = ICMD_TO_CT(icmd); 3300 3301 /* Tell the caller that we are done */ 3302 atomic_or_32(&icmd->icmd_flags, 3303 ICMD_CMD_COMPLETE); 3304 if (fct_netbuf_to_value( 3305 ct->ct_req_payload + 8, 2) == NS_GID_PN) { 3306 fct_i_remote_port_t *irp; 3307 3308 rw_enter(&iport->iport_lock, RW_READER); 3309 irp = fct_lookup_irp_by_portwwn(iport, 3310 ct->ct_req_payload + 16); 3311 3312 if (irp) { 3313 atomic_and_32(&irp->irp_flags, 3314 ~IRP_RSCN_QUEUED); 3315 } 3316 rw_exit(&iport->iport_lock); 3317 } 3318 } else { 3319 ASSERT(0); 3320 } 3321 } else { 3322 clock_t timeout_ticks; 3323 if (port->port_fca_abort_timeout) 3324 timeout_ticks = drv_usectohz( 3325 port->port_fca_abort_timeout*1000); 3326 else 3327 /* 10 seconds by default */ 3328 timeout_ticks = drv_usectohz(10 * 1000000); 3329 if ((ddi_get_lbolt() > 3330 (icmd->icmd_start_time+timeout_ticks)) && 3331 iport->iport_state == FCT_STATE_ONLINE) { 3332 /* timeout, reset the port */ 3333 char cmd_type[10]; 3334 if (cmd->cmd_type == FCT_CMD_RCVD_ELS || 3335 cmd->cmd_type == FCT_CMD_SOL_ELS) { 3336 fct_els_t *els = cmd->cmd_specific; 3337 (void) snprintf(cmd_type, 3338 sizeof (cmd_type), "%x.%x", 3339 cmd->cmd_type, 3340 els->els_req_payload[0]); 3341 } else if (cmd->cmd_type == FCT_CMD_SOL_CT) { 3342 fct_sol_ct_t *ct = cmd->cmd_specific; 3343 (void) snprintf(cmd_type, 3344 sizeof (cmd_type), "%x.%02x%02x", 3345 cmd->cmd_type, 3346 ct->ct_req_payload[8], 3347 ct->ct_req_payload[9]); 3348 } else { 3349 cmd_type[0] = 0; 3350 } 3351 st = cmd->cmd_comp_status; /* gcc fix */ 3352 (void) snprintf(info, 80, "fct_cmd_terminator:" 3353 " iport-%p, cmd_type(0x%s)," 3354 " reason(%llx)", (void *)iport, cmd_type, 3355 st); 3356 info[79] = 0; 3357 (void) fct_port_shutdown(port, 3358 STMF_RFLAG_FATAL_ERROR | STMF_RFLAG_RESET, 3359 info); 3360 } 3361 ppicmd = &((*ppicmd)->icmd_next); 3362 } 3363 3364 if (ddi_get_lbolt() > endtime) { 3365 mutex_enter(&iport->iport_worker_lock); 3366 iport->iport_ppicmd_term = ppicmd; 3367 return (DISC_ACTION_DELAY_RESCAN); 3368 } 3369 } 3370 mutex_enter(&iport->iport_worker_lock); 3371 if (iport->iport_abort_queue) 3372 return (DISC_ACTION_DELAY_RESCAN); 3373 if (ret == DISC_ACTION_NO_WORK) 3374 return (DISC_ACTION_RESCAN); 3375 return (ret); 3376 } 3377 3378 /* 3379 * Send a syslog event for adapter port level events. 3380 */ 3381 void 3382 fct_log_local_port_event(fct_local_port_t *port, char *subclass) 3383 { 3384 nvlist_t *attr_list; 3385 int port_instance; 3386 3387 if (!fct_dip) 3388 return; 3389 port_instance = ddi_get_instance(fct_dip); 3390 3391 if (nvlist_alloc(&attr_list, NV_UNIQUE_NAME_TYPE, 3392 KM_SLEEP) != DDI_SUCCESS) { 3393 goto alloc_failed; 3394 } 3395 3396 if (nvlist_add_uint32(attr_list, "instance", port_instance) 3397 != DDI_SUCCESS) { 3398 goto error; 3399 } 3400 3401 if (nvlist_add_byte_array(attr_list, "port-wwn", 3402 port->port_pwwn, 8) != DDI_SUCCESS) { 3403 goto error; 3404 } 3405 3406 (void) ddi_log_sysevent(fct_dip, DDI_VENDOR_SUNW, EC_SUNFC, 3407 subclass, attr_list, NULL, DDI_SLEEP); 3408 3409 nvlist_free(attr_list); 3410 return; 3411 3412 error: 3413 nvlist_free(attr_list); 3414 alloc_failed: 3415 stmf_trace(((fct_i_local_port_t *)port->port_fct_private)->iport_alias, 3416 "Unable to send %s event", subclass); 3417 } 3418 3419 void 3420 fct_log_remote_port_event(fct_local_port_t *port, char *subclass, 3421 uint8_t *rp_pwwn, uint32_t rp_id) 3422 { 3423 nvlist_t *attr_list; 3424 int port_instance; 3425 3426 if (!fct_dip) 3427 return; 3428 port_instance = ddi_get_instance(fct_dip); 3429 3430 if (nvlist_alloc(&attr_list, NV_UNIQUE_NAME_TYPE, 3431 KM_SLEEP) != DDI_SUCCESS) { 3432 goto alloc_failed; 3433 } 3434 3435 if (nvlist_add_uint32(attr_list, "instance", port_instance) 3436 != DDI_SUCCESS) { 3437 goto error; 3438 } 3439 3440 if (nvlist_add_byte_array(attr_list, "port-wwn", 3441 port->port_pwwn, 8) != DDI_SUCCESS) { 3442 goto error; 3443 } 3444 3445 if (nvlist_add_byte_array(attr_list, "target-port-wwn", 3446 rp_pwwn, 8) != DDI_SUCCESS) { 3447 goto error; 3448 } 3449 3450 if (nvlist_add_uint32(attr_list, "target-port-id", 3451 rp_id) != DDI_SUCCESS) { 3452 goto error; 3453 } 3454 3455 (void) ddi_log_sysevent(fct_dip, DDI_VENDOR_SUNW, EC_SUNFC, 3456 subclass, attr_list, NULL, DDI_SLEEP); 3457 3458 nvlist_free(attr_list); 3459 return; 3460 3461 error: 3462 nvlist_free(attr_list); 3463 alloc_failed: 3464 stmf_trace(((fct_i_local_port_t *)port->port_fct_private)->iport_alias, 3465 "Unable to send %s event", subclass); 3466 } 3467 3468 uint64_t 3469 fct_netbuf_to_value(uint8_t *buf, uint8_t nbytes) 3470 { 3471 uint64_t ret = 0; 3472 uint8_t idx = 0; 3473 3474 do { 3475 ret |= (buf[idx] << (8 * (nbytes -idx - 1))); 3476 } while (++idx < nbytes); 3477 3478 return (ret); 3479 } 3480 3481 void 3482 fct_value_to_netbuf(uint64_t value, uint8_t *buf, uint8_t nbytes) 3483 { 3484 uint8_t idx = 0; 3485 3486 for (idx = 0; idx < nbytes; idx++) { 3487 buf[idx] = 0xFF & (value >> (8 * (nbytes - idx - 1))); 3488 } 3489 } 3490 3491 /* 3492 * from_ptr: ptr to uchar_t array of size WWN_SIZE 3493 * to_ptr: char ptr to string of size WWN_SIZE*2+1 3494 */ 3495 void 3496 fct_wwn_to_str(char *to_ptr, const uint8_t *from_ptr) 3497 { 3498 ASSERT(to_ptr != NULL && from_ptr != NULL); 3499 3500 (void) sprintf(to_ptr, "%02x%02x%02x%02x%02x%02x%02x%02x", 3501 from_ptr[0], from_ptr[1], from_ptr[2], from_ptr[3], 3502 from_ptr[4], from_ptr[5], from_ptr[6], from_ptr[7]); 3503 } 3504 3505 static int 3506 fct_update_stats(kstat_t *ks, int rw) 3507 { 3508 fct_i_local_port_t *iport; 3509 fct_port_stat_t *port_kstat; 3510 fct_port_link_status_t stat; 3511 uint32_t buf_size = sizeof (stat); 3512 int ret; 3513 3514 if (rw == KSTAT_WRITE) 3515 return (EACCES); 3516 3517 iport = (fct_i_local_port_t *)ks->ks_private; 3518 port_kstat = (fct_port_stat_t *)ks->ks_data; 3519 3520 if (iport->iport_port->port_info == NULL) { 3521 return (EIO); 3522 } 3523 ret = iport->iport_port->port_info(FC_TGT_PORT_RLS, 3524 iport->iport_port, NULL, (uint8_t *)&stat, &buf_size); 3525 if (ret != STMF_SUCCESS) { 3526 return (EIO); 3527 } 3528 3529 port_kstat->link_failure_cnt.value.ui32 = 3530 stat.LinkFailureCount; 3531 port_kstat->loss_of_sync_cnt.value.ui32 = 3532 stat.LossOfSyncCount; 3533 port_kstat->loss_of_signals_cnt.value.ui32 = 3534 stat.LossOfSignalsCount; 3535 port_kstat->prim_seq_protocol_err_cnt.value.ui32 = 3536 stat.PrimitiveSeqProtocolErrorCount; 3537 port_kstat->invalid_tx_word_cnt.value.ui32 = 3538 stat.InvalidTransmissionWordCount; 3539 port_kstat->invalid_crc_cnt.value.ui32 = 3540 stat.InvalidCRCCount; 3541 3542 return (0); 3543 } 3544 3545 void 3546 fct_init_kstats(fct_i_local_port_t *iport) 3547 { 3548 kstat_t *ks; 3549 fct_port_stat_t *port_kstat; 3550 char name[256]; 3551 3552 if (iport->iport_alias) 3553 (void) sprintf(name, "iport_%s", iport->iport_alias); 3554 else 3555 (void) sprintf(name, "iport_%"PRIxPTR"", (uintptr_t)iport); 3556 ks = kstat_create(FCT_MODULE_NAME, 0, name, "rawdata", 3557 KSTAT_TYPE_NAMED, sizeof (fct_port_stat_t) / sizeof (kstat_named_t), 3558 0); 3559 3560 if (ks == NULL) { 3561 return; 3562 } 3563 port_kstat = (fct_port_stat_t *)ks->ks_data; 3564 3565 iport->iport_kstat_portstat = ks; 3566 kstat_named_init(&port_kstat->link_failure_cnt, 3567 "Link_failure_cnt", KSTAT_DATA_UINT32); 3568 kstat_named_init(&port_kstat->loss_of_sync_cnt, 3569 "Loss_of_sync_cnt", KSTAT_DATA_UINT32); 3570 kstat_named_init(&port_kstat->loss_of_signals_cnt, 3571 "Loss_of_signals_cnt", KSTAT_DATA_UINT32); 3572 kstat_named_init(&port_kstat->prim_seq_protocol_err_cnt, 3573 "Prim_seq_protocol_err_cnt", KSTAT_DATA_UINT32); 3574 kstat_named_init(&port_kstat->invalid_tx_word_cnt, 3575 "Invalid_tx_word_cnt", KSTAT_DATA_UINT32); 3576 kstat_named_init(&port_kstat->invalid_crc_cnt, 3577 "Invalid_crc_cnt", KSTAT_DATA_UINT32); 3578 ks->ks_update = fct_update_stats; 3579 ks->ks_private = (void *)iport; 3580 kstat_install(ks); 3581 3582 } 3583