1 /*- 2 * FreeBSD/CAM specific routines for LSI '909 FC adapters. 3 * FreeBSD Version. 4 * 5 * Copyright (c) 2000, 2001 by Greg Ansley 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice immediately at the beginning of the file, without modification, 12 * this list of conditions, and the following disclaimer. 13 * 2. The name of the author may not be used to endorse or promote products 14 * derived from this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR 20 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 /*- 29 * Copyright (c) 2002, 2006 by Matthew Jacob 30 * All rights reserved. 31 * 32 * Redistribution and use in source and binary forms, with or without 33 * modification, are permitted provided that the following conditions are 34 * met: 35 * 1. Redistributions of source code must retain the above copyright 36 * notice, this list of conditions and the following disclaimer. 37 * 2. Redistributions in binary form must reproduce at minimum a disclaimer 38 * substantially similar to the "NO WARRANTY" disclaimer below 39 * ("Disclaimer") and any redistribution must be conditioned upon including 40 * a substantially similar Disclaimer requirement for further binary 41 * redistribution. 42 * 3. Neither the names of the above listed copyright holders nor the names 43 * of any contributors may be used to endorse or promote products derived 44 * from this software without specific prior written permission. 45 * 46 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 47 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 48 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 49 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 50 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 51 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 52 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 53 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 54 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 55 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF THE COPYRIGHT 56 * OWNER OR CONTRIBUTOR IS ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 57 * 58 * Support from Chris Ellsworth in order to make SAS adapters work 59 * is gratefully acknowledged. 60 * 61 * Support from LSI-Logic has also gone a great deal toward making this a 62 * workable subsystem and is gratefully acknowledged. 63 */ 64 /*- 65 * Copyright (c) 2004, Avid Technology, Inc. and its contributors. 66 * Copyright (c) 2005, WHEEL Sp. z o.o. 67 * Copyright (c) 2004, 2005 Justin T. Gibbs 68 * All rights reserved. 69 * 70 * Redistribution and use in source and binary forms, with or without 71 * modification, are permitted provided that the following conditions are 72 * met: 73 * 1. Redistributions of source code must retain the above copyright 74 * notice, this list of conditions and the following disclaimer. 75 * 2. Redistributions in binary form must reproduce at minimum a disclaimer 76 * substantially similar to the "NO WARRANTY" disclaimer below 77 * ("Disclaimer") and any redistribution must be conditioned upon including 78 * a substantially similar Disclaimer requirement for further binary 79 * redistribution. 80 * 3. Neither the names of the above listed copyright holders nor the names 81 * of any contributors may be used to endorse or promote products derived 82 * from this software without specific prior written permission. 83 * 84 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 85 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 86 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 87 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 88 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 89 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 90 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 91 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 92 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 93 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF THE COPYRIGHT 94 * OWNER OR CONTRIBUTOR IS ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 95 */ 96 #include <sys/cdefs.h> 97 __FBSDID("$FreeBSD$"); 98 99 #include <dev/mpt/mpt.h> 100 #include <dev/mpt/mpt_cam.h> 101 #include <dev/mpt/mpt_raid.h> 102 103 #include "dev/mpt/mpilib/mpi_ioc.h" /* XXX Fix Event Handling!!! */ 104 #include "dev/mpt/mpilib/mpi_init.h" 105 #include "dev/mpt/mpilib/mpi_targ.h" 106 #include "dev/mpt/mpilib/mpi_fc.h" 107 #include "dev/mpt/mpilib/mpi_sas.h" 108 #if __FreeBSD_version >= 500000 109 #include <sys/sysctl.h> 110 #endif 111 #include <sys/callout.h> 112 #include <sys/kthread.h> 113 114 #if __FreeBSD_version >= 700025 115 #ifndef CAM_NEW_TRAN_CODE 116 #define CAM_NEW_TRAN_CODE 1 117 #endif 118 #endif 119 120 static void mpt_poll(struct cam_sim *); 121 static timeout_t mpt_timeout; 122 static void mpt_action(struct cam_sim *, union ccb *); 123 static int 124 mpt_get_spi_settings(struct mpt_softc *, struct ccb_trans_settings *); 125 static void mpt_setwidth(struct mpt_softc *, int, int); 126 static void mpt_setsync(struct mpt_softc *, int, int, int); 127 static int mpt_update_spi_config(struct mpt_softc *, int); 128 static void mpt_calc_geometry(struct ccb_calc_geometry *ccg, int extended); 129 130 static mpt_reply_handler_t mpt_scsi_reply_handler; 131 static mpt_reply_handler_t mpt_scsi_tmf_reply_handler; 132 static mpt_reply_handler_t mpt_fc_els_reply_handler; 133 static int mpt_scsi_reply_frame_handler(struct mpt_softc *, request_t *, 134 MSG_DEFAULT_REPLY *); 135 static int mpt_bus_reset(struct mpt_softc *, target_id_t, lun_id_t, int); 136 static int mpt_fc_reset_link(struct mpt_softc *, int); 137 138 static int mpt_spawn_recovery_thread(struct mpt_softc *mpt); 139 static void mpt_terminate_recovery_thread(struct mpt_softc *mpt); 140 static void mpt_recovery_thread(void *arg); 141 static void mpt_recover_commands(struct mpt_softc *mpt); 142 143 static int mpt_scsi_send_tmf(struct mpt_softc *, u_int, u_int, u_int, 144 u_int, u_int, u_int, int); 145 146 static void mpt_fc_post_els(struct mpt_softc *mpt, request_t *, int); 147 static void mpt_post_target_command(struct mpt_softc *, request_t *, int); 148 static int mpt_add_els_buffers(struct mpt_softc *mpt); 149 static int mpt_add_target_commands(struct mpt_softc *mpt); 150 static int mpt_enable_lun(struct mpt_softc *, target_id_t, lun_id_t); 151 static int mpt_disable_lun(struct mpt_softc *, target_id_t, lun_id_t); 152 static void mpt_target_start_io(struct mpt_softc *, union ccb *); 153 static cam_status mpt_abort_target_ccb(struct mpt_softc *, union ccb *); 154 static int mpt_abort_target_cmd(struct mpt_softc *, request_t *); 155 static void mpt_scsi_tgt_status(struct mpt_softc *, union ccb *, request_t *, 156 uint8_t, uint8_t const *); 157 static void 158 mpt_scsi_tgt_tsk_mgmt(struct mpt_softc *, request_t *, mpt_task_mgmt_t, 159 tgt_resource_t *, int); 160 static void mpt_tgt_dump_tgt_state(struct mpt_softc *, request_t *); 161 static void mpt_tgt_dump_req_state(struct mpt_softc *, request_t *); 162 static mpt_reply_handler_t mpt_scsi_tgt_reply_handler; 163 static mpt_reply_handler_t mpt_sata_pass_reply_handler; 164 165 static uint32_t scsi_io_handler_id = MPT_HANDLER_ID_NONE; 166 static uint32_t scsi_tmf_handler_id = MPT_HANDLER_ID_NONE; 167 static uint32_t fc_els_handler_id = MPT_HANDLER_ID_NONE; 168 static uint32_t sata_pass_handler_id = MPT_HANDLER_ID_NONE; 169 170 static mpt_probe_handler_t mpt_cam_probe; 171 static mpt_attach_handler_t mpt_cam_attach; 172 static mpt_enable_handler_t mpt_cam_enable; 173 static mpt_ready_handler_t mpt_cam_ready; 174 static mpt_event_handler_t mpt_cam_event; 175 static mpt_reset_handler_t mpt_cam_ioc_reset; 176 static mpt_detach_handler_t mpt_cam_detach; 177 178 static struct mpt_personality mpt_cam_personality = 179 { 180 .name = "mpt_cam", 181 .probe = mpt_cam_probe, 182 .attach = mpt_cam_attach, 183 .enable = mpt_cam_enable, 184 .ready = mpt_cam_ready, 185 .event = mpt_cam_event, 186 .reset = mpt_cam_ioc_reset, 187 .detach = mpt_cam_detach, 188 }; 189 190 DECLARE_MPT_PERSONALITY(mpt_cam, SI_ORDER_SECOND); 191 MODULE_DEPEND(mpt_cam, cam, 1, 1, 1); 192 193 int mpt_enable_sata_wc = -1; 194 TUNABLE_INT("hw.mpt.enable_sata_wc", &mpt_enable_sata_wc); 195 196 int 197 mpt_cam_probe(struct mpt_softc *mpt) 198 { 199 int role; 200 201 /* 202 * Only attach to nodes that support the initiator or target role 203 * (or want to) or have RAID physical devices that need CAM pass-thru 204 * support. 205 */ 206 if (mpt->do_cfg_role) { 207 role = mpt->cfg_role; 208 } else { 209 role = mpt->role; 210 } 211 if ((role & (MPT_ROLE_TARGET|MPT_ROLE_INITIATOR)) != 0 || 212 (mpt->ioc_page2 != NULL && mpt->ioc_page2->MaxPhysDisks != 0)) { 213 return (0); 214 } 215 return (ENODEV); 216 } 217 218 int 219 mpt_cam_attach(struct mpt_softc *mpt) 220 { 221 struct cam_devq *devq; 222 mpt_handler_t handler; 223 int maxq; 224 int error; 225 226 MPT_LOCK(mpt); 227 TAILQ_INIT(&mpt->request_timeout_list); 228 maxq = (mpt->ioc_facts.GlobalCredits < MPT_MAX_REQUESTS(mpt))? 229 mpt->ioc_facts.GlobalCredits : MPT_MAX_REQUESTS(mpt); 230 231 handler.reply_handler = mpt_scsi_reply_handler; 232 error = mpt_register_handler(mpt, MPT_HANDLER_REPLY, handler, 233 &scsi_io_handler_id); 234 if (error != 0) { 235 MPT_UNLOCK(mpt); 236 goto cleanup; 237 } 238 239 handler.reply_handler = mpt_scsi_tmf_reply_handler; 240 error = mpt_register_handler(mpt, MPT_HANDLER_REPLY, handler, 241 &scsi_tmf_handler_id); 242 if (error != 0) { 243 MPT_UNLOCK(mpt); 244 goto cleanup; 245 } 246 247 /* 248 * If we're fibre channel and could support target mode, we register 249 * an ELS reply handler and give it resources. 250 */ 251 if (mpt->is_fc && (mpt->role & MPT_ROLE_TARGET) != 0) { 252 handler.reply_handler = mpt_fc_els_reply_handler; 253 error = mpt_register_handler(mpt, MPT_HANDLER_REPLY, handler, 254 &fc_els_handler_id); 255 if (error != 0) { 256 MPT_UNLOCK(mpt); 257 goto cleanup; 258 } 259 if (mpt_add_els_buffers(mpt) == FALSE) { 260 error = ENOMEM; 261 MPT_UNLOCK(mpt); 262 goto cleanup; 263 } 264 maxq -= mpt->els_cmds_allocated; 265 } 266 267 /* 268 * If we support target mode, we register a reply handler for it, 269 * but don't add command resources until we actually enable target 270 * mode. 271 */ 272 if (mpt->is_fc && (mpt->role & MPT_ROLE_TARGET) != 0) { 273 handler.reply_handler = mpt_scsi_tgt_reply_handler; 274 error = mpt_register_handler(mpt, MPT_HANDLER_REPLY, handler, 275 &mpt->scsi_tgt_handler_id); 276 if (error != 0) { 277 MPT_UNLOCK(mpt); 278 goto cleanup; 279 } 280 } 281 282 if (mpt->is_sas) { 283 handler.reply_handler = mpt_sata_pass_reply_handler; 284 error = mpt_register_handler(mpt, MPT_HANDLER_REPLY, handler, 285 &sata_pass_handler_id); 286 if (error != 0) { 287 MPT_UNLOCK(mpt); 288 goto cleanup; 289 } 290 } 291 292 /* 293 * We keep one request reserved for timeout TMF requests. 294 */ 295 mpt->tmf_req = mpt_get_request(mpt, FALSE); 296 if (mpt->tmf_req == NULL) { 297 mpt_prt(mpt, "Unable to allocate dedicated TMF request!\n"); 298 error = ENOMEM; 299 MPT_UNLOCK(mpt); 300 goto cleanup; 301 } 302 303 /* 304 * Mark the request as free even though not on the free list. 305 * There is only one TMF request allowed to be outstanding at 306 * a time and the TMF routines perform their own allocation 307 * tracking using the standard state flags. 308 */ 309 mpt->tmf_req->state = REQ_STATE_FREE; 310 maxq--; 311 312 /* 313 * The rest of this is CAM foo, for which we need to drop our lock 314 */ 315 MPT_UNLOCK(mpt); 316 317 if (mpt_spawn_recovery_thread(mpt) != 0) { 318 mpt_prt(mpt, "Unable to spawn recovery thread!\n"); 319 error = ENOMEM; 320 goto cleanup; 321 } 322 323 /* 324 * Create the device queue for our SIM(s). 325 */ 326 devq = cam_simq_alloc(maxq); 327 if (devq == NULL) { 328 mpt_prt(mpt, "Unable to allocate CAM SIMQ!\n"); 329 error = ENOMEM; 330 goto cleanup; 331 } 332 333 /* 334 * Construct our SIM entry. 335 */ 336 mpt->sim = 337 mpt_sim_alloc(mpt_action, mpt_poll, "mpt", mpt, 1, maxq, devq); 338 if (mpt->sim == NULL) { 339 mpt_prt(mpt, "Unable to allocate CAM SIM!\n"); 340 cam_simq_free(devq); 341 error = ENOMEM; 342 goto cleanup; 343 } 344 345 /* 346 * Register exactly this bus. 347 */ 348 MPT_LOCK(mpt); 349 if (xpt_bus_register(mpt->sim, mpt->dev, 0) != CAM_SUCCESS) { 350 mpt_prt(mpt, "Bus registration Failed!\n"); 351 error = ENOMEM; 352 MPT_UNLOCK(mpt); 353 goto cleanup; 354 } 355 356 if (xpt_create_path(&mpt->path, NULL, cam_sim_path(mpt->sim), 357 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 358 mpt_prt(mpt, "Unable to allocate Path!\n"); 359 error = ENOMEM; 360 MPT_UNLOCK(mpt); 361 goto cleanup; 362 } 363 MPT_UNLOCK(mpt); 364 365 /* 366 * Only register a second bus for RAID physical 367 * devices if the controller supports RAID. 368 */ 369 if (mpt->ioc_page2 == NULL || mpt->ioc_page2->MaxPhysDisks == 0) { 370 return (0); 371 } 372 373 /* 374 * Create a "bus" to export all hidden disks to CAM. 375 */ 376 mpt->phydisk_sim = 377 mpt_sim_alloc(mpt_action, mpt_poll, "mpt", mpt, 1, maxq, devq); 378 if (mpt->phydisk_sim == NULL) { 379 mpt_prt(mpt, "Unable to allocate Physical Disk CAM SIM!\n"); 380 error = ENOMEM; 381 goto cleanup; 382 } 383 384 /* 385 * Register this bus. 386 */ 387 MPT_LOCK(mpt); 388 if (xpt_bus_register(mpt->phydisk_sim, mpt->dev, 1) != CAM_SUCCESS) { 389 mpt_prt(mpt, "Physical Disk Bus registration Failed!\n"); 390 error = ENOMEM; 391 MPT_UNLOCK(mpt); 392 goto cleanup; 393 } 394 395 if (xpt_create_path(&mpt->phydisk_path, NULL, 396 cam_sim_path(mpt->phydisk_sim), 397 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 398 mpt_prt(mpt, "Unable to allocate Physical Disk Path!\n"); 399 error = ENOMEM; 400 MPT_UNLOCK(mpt); 401 goto cleanup; 402 } 403 MPT_UNLOCK(mpt); 404 mpt_lprt(mpt, MPT_PRT_DEBUG, "attached cam\n"); 405 return (0); 406 407 cleanup: 408 mpt_cam_detach(mpt); 409 return (error); 410 } 411 412 /* 413 * Read FC configuration information 414 */ 415 static int 416 mpt_read_config_info_fc(struct mpt_softc *mpt) 417 { 418 char *topology = NULL; 419 int rv; 420 421 rv = mpt_read_cfg_header(mpt, MPI_CONFIG_PAGETYPE_FC_PORT, 0, 422 0, &mpt->mpt_fcport_page0.Header, FALSE, 5000); 423 if (rv) { 424 return (-1); 425 } 426 mpt_lprt(mpt, MPT_PRT_DEBUG, "FC Port Page 0 Header: %x %x %x %x\n", 427 mpt->mpt_fcport_page0.Header.PageVersion, 428 mpt->mpt_fcport_page0.Header.PageLength, 429 mpt->mpt_fcport_page0.Header.PageNumber, 430 mpt->mpt_fcport_page0.Header.PageType); 431 432 433 rv = mpt_read_cur_cfg_page(mpt, 0, &mpt->mpt_fcport_page0.Header, 434 sizeof(mpt->mpt_fcport_page0), FALSE, 5000); 435 if (rv) { 436 mpt_prt(mpt, "failed to read FC Port Page 0\n"); 437 return (-1); 438 } 439 440 mpt->mpt_fcport_speed = mpt->mpt_fcport_page0.CurrentSpeed; 441 442 switch (mpt->mpt_fcport_page0.Flags & 443 MPI_FCPORTPAGE0_FLAGS_ATTACH_TYPE_MASK) { 444 case MPI_FCPORTPAGE0_FLAGS_ATTACH_NO_INIT: 445 mpt->mpt_fcport_speed = 0; 446 topology = "<NO LOOP>"; 447 break; 448 case MPI_FCPORTPAGE0_FLAGS_ATTACH_POINT_TO_POINT: 449 topology = "N-Port"; 450 break; 451 case MPI_FCPORTPAGE0_FLAGS_ATTACH_PRIVATE_LOOP: 452 topology = "NL-Port"; 453 break; 454 case MPI_FCPORTPAGE0_FLAGS_ATTACH_FABRIC_DIRECT: 455 topology = "F-Port"; 456 break; 457 case MPI_FCPORTPAGE0_FLAGS_ATTACH_PUBLIC_LOOP: 458 topology = "FL-Port"; 459 break; 460 default: 461 mpt->mpt_fcport_speed = 0; 462 topology = "?"; 463 break; 464 } 465 466 mpt_lprt(mpt, MPT_PRT_INFO, 467 "FC Port Page 0: Topology <%s> WWNN 0x%08x%08x WWPN 0x%08x%08x " 468 "Speed %u-Gbit\n", topology, 469 mpt->mpt_fcport_page0.WWNN.High, 470 mpt->mpt_fcport_page0.WWNN.Low, 471 mpt->mpt_fcport_page0.WWPN.High, 472 mpt->mpt_fcport_page0.WWPN.Low, 473 mpt->mpt_fcport_speed); 474 #if __FreeBSD_version >= 500000 475 MPT_UNLOCK(mpt); 476 { 477 struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(mpt->dev); 478 struct sysctl_oid *tree = device_get_sysctl_tree(mpt->dev); 479 480 snprintf(mpt->scinfo.fc.wwnn, 481 sizeof (mpt->scinfo.fc.wwnn), "0x%08x%08x", 482 mpt->mpt_fcport_page0.WWNN.High, 483 mpt->mpt_fcport_page0.WWNN.Low); 484 485 snprintf(mpt->scinfo.fc.wwpn, 486 sizeof (mpt->scinfo.fc.wwpn), "0x%08x%08x", 487 mpt->mpt_fcport_page0.WWPN.High, 488 mpt->mpt_fcport_page0.WWPN.Low); 489 490 SYSCTL_ADD_STRING(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 491 "wwnn", CTLFLAG_RD, mpt->scinfo.fc.wwnn, 0, 492 "World Wide Node Name"); 493 494 SYSCTL_ADD_STRING(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 495 "wwpn", CTLFLAG_RD, mpt->scinfo.fc.wwpn, 0, 496 "World Wide Port Name"); 497 498 } 499 MPT_LOCK(mpt); 500 #endif 501 return (0); 502 } 503 504 /* 505 * Set FC configuration information. 506 */ 507 static int 508 mpt_set_initial_config_fc(struct mpt_softc *mpt) 509 { 510 511 CONFIG_PAGE_FC_PORT_1 fc; 512 U32 fl; 513 int r, doit = 0; 514 int role; 515 516 r = mpt_read_cfg_header(mpt, MPI_CONFIG_PAGETYPE_FC_PORT, 1, 0, 517 &fc.Header, FALSE, 5000); 518 if (r) { 519 mpt_prt(mpt, "failed to read FC page 1 header\n"); 520 return (mpt_fc_reset_link(mpt, 1)); 521 } 522 523 r = mpt_read_cfg_page(mpt, MPI_CONFIG_ACTION_PAGE_READ_NVRAM, 0, 524 &fc.Header, sizeof (fc), FALSE, 5000); 525 if (r) { 526 mpt_prt(mpt, "failed to read FC page 1\n"); 527 return (mpt_fc_reset_link(mpt, 1)); 528 } 529 530 /* 531 * Check our flags to make sure we support the role we want. 532 */ 533 doit = 0; 534 role = 0; 535 fl = le32toh(fc.Flags);; 536 537 if (fl & MPI_FCPORTPAGE1_FLAGS_PROT_FCP_INIT) { 538 role |= MPT_ROLE_INITIATOR; 539 } 540 if (fl & MPI_FCPORTPAGE1_FLAGS_PROT_FCP_TARG) { 541 role |= MPT_ROLE_TARGET; 542 } 543 544 fl &= ~MPI_FCPORTPAGE1_FLAGS_PROT_MASK; 545 546 if (mpt->do_cfg_role == 0) { 547 role = mpt->cfg_role; 548 } else { 549 mpt->do_cfg_role = 0; 550 } 551 552 if (role != mpt->cfg_role) { 553 if (mpt->cfg_role & MPT_ROLE_INITIATOR) { 554 if ((role & MPT_ROLE_INITIATOR) == 0) { 555 mpt_prt(mpt, "adding initiator role\n"); 556 fl |= MPI_FCPORTPAGE1_FLAGS_PROT_FCP_INIT; 557 doit++; 558 } else { 559 mpt_prt(mpt, "keeping initiator role\n"); 560 } 561 } else if (role & MPT_ROLE_INITIATOR) { 562 mpt_prt(mpt, "removing initiator role\n"); 563 doit++; 564 } 565 if (mpt->cfg_role & MPT_ROLE_TARGET) { 566 if ((role & MPT_ROLE_TARGET) == 0) { 567 mpt_prt(mpt, "adding target role\n"); 568 fl |= MPI_FCPORTPAGE1_FLAGS_PROT_FCP_TARG; 569 doit++; 570 } else { 571 mpt_prt(mpt, "keeping target role\n"); 572 } 573 } else if (role & MPT_ROLE_TARGET) { 574 mpt_prt(mpt, "removing target role\n"); 575 doit++; 576 } 577 mpt->role = mpt->cfg_role; 578 } 579 580 if (fl & MPI_FCPORTPAGE1_FLAGS_PROT_FCP_TARG) { 581 if ((fl & MPI_FCPORTPAGE1_FLAGS_TARGET_MODE_OXID) == 0) { 582 mpt_prt(mpt, "adding OXID option\n"); 583 fl |= MPI_FCPORTPAGE1_FLAGS_TARGET_MODE_OXID; 584 doit++; 585 } 586 } 587 588 if (doit) { 589 fc.Flags = htole32(fl); 590 r = mpt_write_cfg_page(mpt, 591 MPI_CONFIG_ACTION_PAGE_WRITE_NVRAM, 0, &fc.Header, 592 sizeof(fc), FALSE, 5000); 593 if (r != 0) { 594 mpt_prt(mpt, "failed to update NVRAM with changes\n"); 595 return (0); 596 } 597 mpt_prt(mpt, "NOTE: NVRAM changes will not take " 598 "effect until next reboot or IOC reset\n"); 599 } 600 return (0); 601 } 602 603 static int 604 mptsas_sas_io_unit_pg0(struct mpt_softc *mpt, struct mptsas_portinfo *portinfo) 605 { 606 ConfigExtendedPageHeader_t hdr; 607 struct mptsas_phyinfo *phyinfo; 608 SasIOUnitPage0_t *buffer; 609 int error, len, i; 610 611 error = mpt_read_extcfg_header(mpt, MPI_SASIOUNITPAGE0_PAGEVERSION, 612 0, 0, MPI_CONFIG_EXTPAGETYPE_SAS_IO_UNIT, 613 &hdr, 0, 10000); 614 if (error) 615 goto out; 616 if (hdr.ExtPageLength == 0) { 617 error = ENXIO; 618 goto out; 619 } 620 621 len = hdr.ExtPageLength * 4; 622 buffer = malloc(len, M_DEVBUF, M_NOWAIT|M_ZERO); 623 if (buffer == NULL) { 624 error = ENOMEM; 625 goto out; 626 } 627 628 error = mpt_read_extcfg_page(mpt, MPI_CONFIG_ACTION_PAGE_READ_CURRENT, 629 0, &hdr, buffer, len, 0, 10000); 630 if (error) { 631 free(buffer, M_DEVBUF); 632 goto out; 633 } 634 635 portinfo->num_phys = buffer->NumPhys; 636 portinfo->phy_info = malloc(sizeof(*portinfo->phy_info) * 637 portinfo->num_phys, M_DEVBUF, M_NOWAIT|M_ZERO); 638 if (portinfo->phy_info == NULL) { 639 free(buffer, M_DEVBUF); 640 error = ENOMEM; 641 goto out; 642 } 643 644 for (i = 0; i < portinfo->num_phys; i++) { 645 phyinfo = &portinfo->phy_info[i]; 646 phyinfo->phy_num = i; 647 phyinfo->port_id = buffer->PhyData[i].Port; 648 phyinfo->negotiated_link_rate = 649 buffer->PhyData[i].NegotiatedLinkRate; 650 phyinfo->handle = 651 le16toh(buffer->PhyData[i].ControllerDevHandle); 652 } 653 654 free(buffer, M_DEVBUF); 655 out: 656 return (error); 657 } 658 659 static int 660 mptsas_sas_phy_pg0(struct mpt_softc *mpt, struct mptsas_phyinfo *phy_info, 661 uint32_t form, uint32_t form_specific) 662 { 663 ConfigExtendedPageHeader_t hdr; 664 SasPhyPage0_t *buffer; 665 int error; 666 667 error = mpt_read_extcfg_header(mpt, MPI_SASPHY0_PAGEVERSION, 0, 0, 668 MPI_CONFIG_EXTPAGETYPE_SAS_PHY, &hdr, 669 0, 10000); 670 if (error) 671 goto out; 672 if (hdr.ExtPageLength == 0) { 673 error = ENXIO; 674 goto out; 675 } 676 677 buffer = malloc(sizeof(SasPhyPage0_t), M_DEVBUF, M_NOWAIT|M_ZERO); 678 if (buffer == NULL) { 679 error = ENOMEM; 680 goto out; 681 } 682 683 error = mpt_read_extcfg_page(mpt, MPI_CONFIG_ACTION_PAGE_READ_CURRENT, 684 form + form_specific, &hdr, buffer, 685 sizeof(SasPhyPage0_t), 0, 10000); 686 if (error) { 687 free(buffer, M_DEVBUF); 688 goto out; 689 } 690 691 phy_info->hw_link_rate = buffer->HwLinkRate; 692 phy_info->programmed_link_rate = buffer->ProgrammedLinkRate; 693 phy_info->identify.dev_handle = le16toh(buffer->OwnerDevHandle); 694 phy_info->attached.dev_handle = le16toh(buffer->AttachedDevHandle); 695 696 free(buffer, M_DEVBUF); 697 out: 698 return (error); 699 } 700 701 static int 702 mptsas_sas_device_pg0(struct mpt_softc *mpt, struct mptsas_devinfo *device_info, 703 uint32_t form, uint32_t form_specific) 704 { 705 ConfigExtendedPageHeader_t hdr; 706 SasDevicePage0_t *buffer; 707 uint64_t sas_address; 708 int error = 0; 709 710 bzero(device_info, sizeof(*device_info)); 711 error = mpt_read_extcfg_header(mpt, MPI_SASDEVICE0_PAGEVERSION, 0, 0, 712 MPI_CONFIG_EXTPAGETYPE_SAS_DEVICE, 713 &hdr, 0, 10000); 714 if (error) 715 goto out; 716 if (hdr.ExtPageLength == 0) { 717 error = ENXIO; 718 goto out; 719 } 720 721 buffer = malloc(sizeof(SasDevicePage0_t), M_DEVBUF, M_NOWAIT|M_ZERO); 722 if (buffer == NULL) { 723 error = ENOMEM; 724 goto out; 725 } 726 727 error = mpt_read_extcfg_page(mpt, MPI_CONFIG_ACTION_PAGE_READ_CURRENT, 728 form + form_specific, &hdr, buffer, 729 sizeof(SasDevicePage0_t), 0, 10000); 730 if (error) { 731 free(buffer, M_DEVBUF); 732 goto out; 733 } 734 735 device_info->dev_handle = le16toh(buffer->DevHandle); 736 device_info->parent_dev_handle = le16toh(buffer->ParentDevHandle); 737 device_info->enclosure_handle = le16toh(buffer->EnclosureHandle); 738 device_info->slot = le16toh(buffer->Slot); 739 device_info->phy_num = buffer->PhyNum; 740 device_info->physical_port = buffer->PhysicalPort; 741 device_info->target_id = buffer->TargetID; 742 device_info->bus = buffer->Bus; 743 bcopy(&buffer->SASAddress, &sas_address, sizeof(uint64_t)); 744 device_info->sas_address = le64toh(sas_address); 745 device_info->device_info = le32toh(buffer->DeviceInfo); 746 747 free(buffer, M_DEVBUF); 748 out: 749 return (error); 750 } 751 752 /* 753 * Read SAS configuration information. Nothing to do yet. 754 */ 755 static int 756 mpt_read_config_info_sas(struct mpt_softc *mpt) 757 { 758 struct mptsas_portinfo *portinfo; 759 struct mptsas_phyinfo *phyinfo; 760 int error, i; 761 762 portinfo = malloc(sizeof(*portinfo), M_DEVBUF, M_NOWAIT|M_ZERO); 763 if (portinfo == NULL) 764 return (ENOMEM); 765 766 error = mptsas_sas_io_unit_pg0(mpt, portinfo); 767 if (error) { 768 free(portinfo, M_DEVBUF); 769 return (0); 770 } 771 772 for (i = 0; i < portinfo->num_phys; i++) { 773 phyinfo = &portinfo->phy_info[i]; 774 error = mptsas_sas_phy_pg0(mpt, phyinfo, 775 (MPI_SAS_PHY_PGAD_FORM_PHY_NUMBER << 776 MPI_SAS_PHY_PGAD_FORM_SHIFT), i); 777 if (error) 778 break; 779 error = mptsas_sas_device_pg0(mpt, &phyinfo->identify, 780 (MPI_SAS_DEVICE_PGAD_FORM_HANDLE << 781 MPI_SAS_DEVICE_PGAD_FORM_SHIFT), 782 phyinfo->handle); 783 if (error) 784 break; 785 phyinfo->identify.phy_num = phyinfo->phy_num = i; 786 if (phyinfo->attached.dev_handle) 787 error = mptsas_sas_device_pg0(mpt, 788 &phyinfo->attached, 789 (MPI_SAS_DEVICE_PGAD_FORM_HANDLE << 790 MPI_SAS_DEVICE_PGAD_FORM_SHIFT), 791 phyinfo->attached.dev_handle); 792 if (error) 793 break; 794 } 795 mpt->sas_portinfo = portinfo; 796 return (0); 797 } 798 799 static void 800 mptsas_set_sata_wc(struct mpt_softc *mpt, struct mptsas_devinfo *devinfo, 801 int enabled) 802 { 803 SataPassthroughRequest_t *pass; 804 request_t *req; 805 int error, status; 806 807 req = mpt_get_request(mpt, 0); 808 if (req == NULL) 809 return; 810 811 pass = req->req_vbuf; 812 bzero(pass, sizeof(SataPassthroughRequest_t)); 813 pass->Function = MPI_FUNCTION_SATA_PASSTHROUGH; 814 pass->TargetID = devinfo->target_id; 815 pass->Bus = devinfo->bus; 816 pass->PassthroughFlags = 0; 817 pass->ConnectionRate = MPI_SATA_PT_REQ_CONNECT_RATE_NEGOTIATED; 818 pass->DataLength = 0; 819 pass->MsgContext = htole32(req->index | sata_pass_handler_id); 820 pass->CommandFIS[0] = 0x27; 821 pass->CommandFIS[1] = 0x80; 822 pass->CommandFIS[2] = 0xef; 823 pass->CommandFIS[3] = (enabled) ? 0x02 : 0x82; 824 pass->CommandFIS[7] = 0x40; 825 pass->CommandFIS[15] = 0x08; 826 827 mpt_check_doorbell(mpt); 828 mpt_send_cmd(mpt, req); 829 error = mpt_wait_req(mpt, req, REQ_STATE_DONE, REQ_STATE_DONE, 0, 830 10 * 1000); 831 if (error) { 832 mpt_free_request(mpt, req); 833 printf("error %d sending passthrough\n", error); 834 return; 835 } 836 837 status = le16toh(req->IOCStatus); 838 if (status != MPI_IOCSTATUS_SUCCESS) { 839 mpt_free_request(mpt, req); 840 printf("IOCSTATUS %d\n", status); 841 return; 842 } 843 844 mpt_free_request(mpt, req); 845 } 846 847 /* 848 * Set SAS configuration information. Nothing to do yet. 849 */ 850 static int 851 mpt_set_initial_config_sas(struct mpt_softc *mpt) 852 { 853 struct mptsas_phyinfo *phyinfo; 854 int i; 855 856 if ((mpt_enable_sata_wc != -1) && (mpt->sas_portinfo != NULL)) { 857 for (i = 0; i < mpt->sas_portinfo->num_phys; i++) { 858 phyinfo = &mpt->sas_portinfo->phy_info[i]; 859 if (phyinfo->attached.dev_handle == 0) 860 continue; 861 if ((phyinfo->attached.device_info & 862 MPI_SAS_DEVICE_INFO_SATA_DEVICE) == 0) 863 continue; 864 if (bootverbose) 865 device_printf(mpt->dev, 866 "%sabling SATA WC on phy %d\n", 867 (mpt_enable_sata_wc) ? "En" : "Dis", i); 868 mptsas_set_sata_wc(mpt, &phyinfo->attached, 869 mpt_enable_sata_wc); 870 } 871 } 872 873 return (0); 874 } 875 876 static int 877 mpt_sata_pass_reply_handler(struct mpt_softc *mpt, request_t *req, 878 uint32_t reply_desc, MSG_DEFAULT_REPLY *reply_frame) 879 { 880 if (req != NULL) { 881 882 if (reply_frame != NULL) { 883 MSG_SATA_PASSTHROUGH_REQUEST *pass; 884 MSG_SATA_PASSTHROUGH_REPLY *reply; 885 886 pass = (MSG_SATA_PASSTHROUGH_REQUEST *)req->req_vbuf; 887 reply = (MSG_SATA_PASSTHROUGH_REPLY *)reply_frame; 888 req->IOCStatus = le16toh(reply_frame->IOCStatus); 889 } 890 req->state &= ~REQ_STATE_QUEUED; 891 req->state |= REQ_STATE_DONE; 892 TAILQ_REMOVE(&mpt->request_pending_list, req, links); 893 if ((req->state & REQ_STATE_NEED_WAKEUP) != 0) { 894 wakeup(req); 895 } else if ((req->state & REQ_STATE_TIMEDOUT) != 0) { 896 /* 897 * Whew- we can free this request (late completion) 898 */ 899 mpt_free_request(mpt, req); 900 } 901 } 902 903 return (TRUE); 904 } 905 906 /* 907 * Read SCSI configuration information 908 */ 909 static int 910 mpt_read_config_info_spi(struct mpt_softc *mpt) 911 { 912 int rv, i; 913 914 rv = mpt_read_cfg_header(mpt, MPI_CONFIG_PAGETYPE_SCSI_PORT, 0, 0, 915 &mpt->mpt_port_page0.Header, FALSE, 5000); 916 if (rv) { 917 return (-1); 918 } 919 mpt_lprt(mpt, MPT_PRT_DEBUG, "SPI Port Page 0 Header: %x %x %x %x\n", 920 mpt->mpt_port_page0.Header.PageVersion, 921 mpt->mpt_port_page0.Header.PageLength, 922 mpt->mpt_port_page0.Header.PageNumber, 923 mpt->mpt_port_page0.Header.PageType); 924 925 rv = mpt_read_cfg_header(mpt, MPI_CONFIG_PAGETYPE_SCSI_PORT, 1, 0, 926 &mpt->mpt_port_page1.Header, FALSE, 5000); 927 if (rv) { 928 return (-1); 929 } 930 mpt_lprt(mpt, MPT_PRT_DEBUG, "SPI Port Page 1 Header: %x %x %x %x\n", 931 mpt->mpt_port_page1.Header.PageVersion, 932 mpt->mpt_port_page1.Header.PageLength, 933 mpt->mpt_port_page1.Header.PageNumber, 934 mpt->mpt_port_page1.Header.PageType); 935 936 rv = mpt_read_cfg_header(mpt, MPI_CONFIG_PAGETYPE_SCSI_PORT, 2, 0, 937 &mpt->mpt_port_page2.Header, FALSE, 5000); 938 if (rv) { 939 return (-1); 940 } 941 mpt_lprt(mpt, MPT_PRT_DEBUG, "SPI Port Page 2 Header: %x %x %x %x\n", 942 mpt->mpt_port_page2.Header.PageVersion, 943 mpt->mpt_port_page2.Header.PageLength, 944 mpt->mpt_port_page2.Header.PageNumber, 945 mpt->mpt_port_page2.Header.PageType); 946 947 for (i = 0; i < 16; i++) { 948 rv = mpt_read_cfg_header(mpt, MPI_CONFIG_PAGETYPE_SCSI_DEVICE, 949 0, i, &mpt->mpt_dev_page0[i].Header, FALSE, 5000); 950 if (rv) { 951 return (-1); 952 } 953 mpt_lprt(mpt, MPT_PRT_DEBUG, 954 "SPI Target %d Device Page 0 Header: %x %x %x %x\n", i, 955 mpt->mpt_dev_page0[i].Header.PageVersion, 956 mpt->mpt_dev_page0[i].Header.PageLength, 957 mpt->mpt_dev_page0[i].Header.PageNumber, 958 mpt->mpt_dev_page0[i].Header.PageType); 959 960 rv = mpt_read_cfg_header(mpt, MPI_CONFIG_PAGETYPE_SCSI_DEVICE, 961 1, i, &mpt->mpt_dev_page1[i].Header, FALSE, 5000); 962 if (rv) { 963 return (-1); 964 } 965 mpt_lprt(mpt, MPT_PRT_DEBUG, 966 "SPI Target %d Device Page 1 Header: %x %x %x %x\n", i, 967 mpt->mpt_dev_page1[i].Header.PageVersion, 968 mpt->mpt_dev_page1[i].Header.PageLength, 969 mpt->mpt_dev_page1[i].Header.PageNumber, 970 mpt->mpt_dev_page1[i].Header.PageType); 971 } 972 973 /* 974 * At this point, we don't *have* to fail. As long as we have 975 * valid config header information, we can (barely) lurch 976 * along. 977 */ 978 979 rv = mpt_read_cur_cfg_page(mpt, 0, &mpt->mpt_port_page0.Header, 980 sizeof(mpt->mpt_port_page0), FALSE, 5000); 981 if (rv) { 982 mpt_prt(mpt, "failed to read SPI Port Page 0\n"); 983 } else { 984 mpt_lprt(mpt, MPT_PRT_NEGOTIATION, 985 "SPI Port Page 0: Capabilities %x PhysicalInterface %x\n", 986 mpt->mpt_port_page0.Capabilities, 987 mpt->mpt_port_page0.PhysicalInterface); 988 } 989 990 rv = mpt_read_cur_cfg_page(mpt, 0, &mpt->mpt_port_page1.Header, 991 sizeof(mpt->mpt_port_page1), FALSE, 5000); 992 if (rv) { 993 mpt_prt(mpt, "failed to read SPI Port Page 1\n"); 994 } else { 995 mpt_lprt(mpt, MPT_PRT_DEBUG, 996 "SPI Port Page 1: Configuration %x OnBusTimerValue %x\n", 997 mpt->mpt_port_page1.Configuration, 998 mpt->mpt_port_page1.OnBusTimerValue); 999 } 1000 1001 rv = mpt_read_cur_cfg_page(mpt, 0, &mpt->mpt_port_page2.Header, 1002 sizeof(mpt->mpt_port_page2), FALSE, 5000); 1003 if (rv) { 1004 mpt_prt(mpt, "failed to read SPI Port Page 2\n"); 1005 } else { 1006 mpt_lprt(mpt, MPT_PRT_NEGOTIATION, 1007 "Port Page 2: Flags %x Settings %x\n", 1008 mpt->mpt_port_page2.PortFlags, 1009 mpt->mpt_port_page2.PortSettings); 1010 for (i = 0; i < 16; i++) { 1011 mpt_lprt(mpt, MPT_PRT_NEGOTIATION, 1012 " Port Page 2 Tgt %d: timo %x SF %x Flags %x\n", 1013 i, mpt->mpt_port_page2.DeviceSettings[i].Timeout, 1014 mpt->mpt_port_page2.DeviceSettings[i].SyncFactor, 1015 mpt->mpt_port_page2.DeviceSettings[i].DeviceFlags); 1016 } 1017 } 1018 1019 for (i = 0; i < 16; i++) { 1020 rv = mpt_read_cur_cfg_page(mpt, i, 1021 &mpt->mpt_dev_page0[i].Header, sizeof(*mpt->mpt_dev_page0), 1022 FALSE, 5000); 1023 if (rv) { 1024 mpt_prt(mpt, 1025 "cannot read SPI Target %d Device Page 0\n", i); 1026 continue; 1027 } 1028 mpt_lprt(mpt, MPT_PRT_NEGOTIATION, 1029 "target %d page 0: Negotiated Params %x Information %x\n", 1030 i, mpt->mpt_dev_page0[i].NegotiatedParameters, 1031 mpt->mpt_dev_page0[i].Information); 1032 1033 rv = mpt_read_cur_cfg_page(mpt, i, 1034 &mpt->mpt_dev_page1[i].Header, sizeof(*mpt->mpt_dev_page1), 1035 FALSE, 5000); 1036 if (rv) { 1037 mpt_prt(mpt, 1038 "cannot read SPI Target %d Device Page 1\n", i); 1039 continue; 1040 } 1041 mpt_lprt(mpt, MPT_PRT_NEGOTIATION, 1042 "target %d page 1: Requested Params %x Configuration %x\n", 1043 i, mpt->mpt_dev_page1[i].RequestedParameters, 1044 mpt->mpt_dev_page1[i].Configuration); 1045 } 1046 return (0); 1047 } 1048 1049 /* 1050 * Validate SPI configuration information. 1051 * 1052 * In particular, validate SPI Port Page 1. 1053 */ 1054 static int 1055 mpt_set_initial_config_spi(struct mpt_softc *mpt) 1056 { 1057 int i, j, pp1val = ((1 << mpt->mpt_ini_id) << 16) | mpt->mpt_ini_id; 1058 int error; 1059 1060 mpt->mpt_disc_enable = 0xff; 1061 mpt->mpt_tag_enable = 0; 1062 1063 if (mpt->mpt_port_page1.Configuration != pp1val) { 1064 CONFIG_PAGE_SCSI_PORT_1 tmp; 1065 1066 mpt_prt(mpt, "SPI Port Page 1 Config value bad (%x)- should " 1067 "be %x\n", mpt->mpt_port_page1.Configuration, pp1val); 1068 tmp = mpt->mpt_port_page1; 1069 tmp.Configuration = pp1val; 1070 error = mpt_write_cur_cfg_page(mpt, 0, 1071 &tmp.Header, sizeof(tmp), FALSE, 5000); 1072 if (error) { 1073 return (-1); 1074 } 1075 error = mpt_read_cur_cfg_page(mpt, 0, 1076 &tmp.Header, sizeof(tmp), FALSE, 5000); 1077 if (error) { 1078 return (-1); 1079 } 1080 if (tmp.Configuration != pp1val) { 1081 mpt_prt(mpt, 1082 "failed to reset SPI Port Page 1 Config value\n"); 1083 return (-1); 1084 } 1085 mpt->mpt_port_page1 = tmp; 1086 } 1087 1088 /* 1089 * The purpose of this exercise is to get 1090 * all targets back to async/narrow. 1091 * 1092 * We skip this step if the BIOS has already negotiated 1093 * speeds with the targets and does not require us to 1094 * do Domain Validation. 1095 */ 1096 i = mpt->mpt_port_page2.PortSettings & 1097 MPI_SCSIPORTPAGE2_PORT_MASK_NEGO_MASTER_SETTINGS; 1098 j = mpt->mpt_port_page2.PortFlags & 1099 MPI_SCSIPORTPAGE2_PORT_FLAGS_DV_MASK; 1100 if (i == MPI_SCSIPORTPAGE2_PORT_ALL_MASTER_SETTINGS /* && 1101 j == MPI_SCSIPORTPAGE2_PORT_FLAGS_OFF_DV */) { 1102 mpt_lprt(mpt, MPT_PRT_NEGOTIATION, 1103 "honoring BIOS transfer negotiations\n"); 1104 } else { 1105 for (i = 0; i < 16; i++) { 1106 mpt->mpt_dev_page1[i].RequestedParameters = 0; 1107 mpt->mpt_dev_page1[i].Configuration = 0; 1108 (void) mpt_update_spi_config(mpt, i); 1109 } 1110 } 1111 return (0); 1112 } 1113 1114 int 1115 mpt_cam_enable(struct mpt_softc *mpt) 1116 { 1117 int error; 1118 1119 MPT_LOCK(mpt); 1120 1121 error = EIO; 1122 if (mpt->is_fc) { 1123 if (mpt_read_config_info_fc(mpt)) { 1124 goto out; 1125 } 1126 if (mpt_set_initial_config_fc(mpt)) { 1127 goto out; 1128 } 1129 } else if (mpt->is_sas) { 1130 if (mpt_read_config_info_sas(mpt)) { 1131 goto out; 1132 } 1133 if (mpt_set_initial_config_sas(mpt)) { 1134 goto out; 1135 } 1136 } else if (mpt->is_spi) { 1137 if (mpt_read_config_info_spi(mpt)) { 1138 goto out; 1139 } 1140 if (mpt_set_initial_config_spi(mpt)) { 1141 goto out; 1142 } 1143 } 1144 error = 0; 1145 1146 out: 1147 MPT_UNLOCK(mpt); 1148 return (error); 1149 } 1150 1151 void 1152 mpt_cam_ready(struct mpt_softc *mpt) 1153 { 1154 /* 1155 * If we're in target mode, hang out resources now 1156 * so we don't cause the world to hang talking to us. 1157 */ 1158 if (mpt->is_fc && (mpt->role & MPT_ROLE_TARGET)) { 1159 /* 1160 * Try to add some target command resources 1161 */ 1162 MPT_LOCK(mpt); 1163 if (mpt_add_target_commands(mpt) == FALSE) { 1164 mpt_prt(mpt, "failed to add target commands\n"); 1165 } 1166 MPT_UNLOCK(mpt); 1167 } 1168 mpt->ready = 1; 1169 } 1170 1171 void 1172 mpt_cam_detach(struct mpt_softc *mpt) 1173 { 1174 mpt_handler_t handler; 1175 1176 MPT_LOCK(mpt); 1177 mpt->ready = 0; 1178 mpt_terminate_recovery_thread(mpt); 1179 1180 handler.reply_handler = mpt_scsi_reply_handler; 1181 mpt_deregister_handler(mpt, MPT_HANDLER_REPLY, handler, 1182 scsi_io_handler_id); 1183 handler.reply_handler = mpt_scsi_tmf_reply_handler; 1184 mpt_deregister_handler(mpt, MPT_HANDLER_REPLY, handler, 1185 scsi_tmf_handler_id); 1186 handler.reply_handler = mpt_fc_els_reply_handler; 1187 mpt_deregister_handler(mpt, MPT_HANDLER_REPLY, handler, 1188 fc_els_handler_id); 1189 handler.reply_handler = mpt_scsi_tgt_reply_handler; 1190 mpt_deregister_handler(mpt, MPT_HANDLER_REPLY, handler, 1191 mpt->scsi_tgt_handler_id); 1192 handler.reply_handler = mpt_sata_pass_reply_handler; 1193 mpt_deregister_handler(mpt, MPT_HANDLER_REPLY, handler, 1194 sata_pass_handler_id); 1195 1196 if (mpt->tmf_req != NULL) { 1197 mpt->tmf_req->state = REQ_STATE_ALLOCATED; 1198 mpt_free_request(mpt, mpt->tmf_req); 1199 mpt->tmf_req = NULL; 1200 } 1201 if (mpt->sas_portinfo != NULL) { 1202 free(mpt->sas_portinfo, M_DEVBUF); 1203 mpt->sas_portinfo = NULL; 1204 } 1205 MPT_UNLOCK(mpt); 1206 1207 if (mpt->sim != NULL) { 1208 xpt_free_path(mpt->path); 1209 xpt_bus_deregister(cam_sim_path(mpt->sim)); 1210 cam_sim_free(mpt->sim, TRUE); 1211 mpt->sim = NULL; 1212 } 1213 1214 if (mpt->phydisk_sim != NULL) { 1215 xpt_free_path(mpt->phydisk_path); 1216 xpt_bus_deregister(cam_sim_path(mpt->phydisk_sim)); 1217 cam_sim_free(mpt->phydisk_sim, TRUE); 1218 mpt->phydisk_sim = NULL; 1219 } 1220 } 1221 1222 /* This routine is used after a system crash to dump core onto the swap device. 1223 */ 1224 static void 1225 mpt_poll(struct cam_sim *sim) 1226 { 1227 struct mpt_softc *mpt; 1228 1229 mpt = (struct mpt_softc *)cam_sim_softc(sim); 1230 mpt_intr(mpt); 1231 } 1232 1233 /* 1234 * Watchdog timeout routine for SCSI requests. 1235 */ 1236 static void 1237 mpt_timeout(void *arg) 1238 { 1239 union ccb *ccb; 1240 struct mpt_softc *mpt; 1241 request_t *req; 1242 1243 ccb = (union ccb *)arg; 1244 mpt = ccb->ccb_h.ccb_mpt_ptr; 1245 1246 MPT_LOCK(mpt); 1247 req = ccb->ccb_h.ccb_req_ptr; 1248 mpt_prt(mpt, "request %p:%u timed out for ccb %p (req->ccb %p)\n", req, 1249 req->serno, ccb, req->ccb); 1250 /* XXX: WHAT ARE WE TRYING TO DO HERE? */ 1251 if ((req->state & REQ_STATE_QUEUED) == REQ_STATE_QUEUED) { 1252 TAILQ_REMOVE(&mpt->request_pending_list, req, links); 1253 TAILQ_INSERT_TAIL(&mpt->request_timeout_list, req, links); 1254 req->state |= REQ_STATE_TIMEDOUT; 1255 mpt_wakeup_recovery_thread(mpt); 1256 } 1257 MPT_UNLOCK(mpt); 1258 } 1259 1260 /* 1261 * Callback routine from "bus_dmamap_load" or, in simple cases, called directly. 1262 * 1263 * Takes a list of physical segments and builds the SGL for SCSI IO command 1264 * and forwards the commard to the IOC after one last check that CAM has not 1265 * aborted the transaction. 1266 */ 1267 static void 1268 mpt_execute_req_a64(void *arg, bus_dma_segment_t *dm_segs, int nseg, int error) 1269 { 1270 request_t *req, *trq; 1271 char *mpt_off; 1272 union ccb *ccb; 1273 struct mpt_softc *mpt; 1274 int seg, first_lim; 1275 uint32_t flags, nxt_off; 1276 void *sglp = NULL; 1277 MSG_REQUEST_HEADER *hdrp; 1278 SGE_SIMPLE64 *se; 1279 SGE_CHAIN64 *ce; 1280 int istgt = 0; 1281 1282 req = (request_t *)arg; 1283 ccb = req->ccb; 1284 1285 mpt = ccb->ccb_h.ccb_mpt_ptr; 1286 req = ccb->ccb_h.ccb_req_ptr; 1287 1288 hdrp = req->req_vbuf; 1289 mpt_off = req->req_vbuf; 1290 1291 if (error == 0 && ((uint32_t)nseg) >= mpt->max_seg_cnt) { 1292 error = EFBIG; 1293 } 1294 1295 if (error == 0) { 1296 switch (hdrp->Function) { 1297 case MPI_FUNCTION_SCSI_IO_REQUEST: 1298 case MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH: 1299 istgt = 0; 1300 sglp = &((PTR_MSG_SCSI_IO_REQUEST)hdrp)->SGL; 1301 break; 1302 case MPI_FUNCTION_TARGET_ASSIST: 1303 istgt = 1; 1304 sglp = &((PTR_MSG_TARGET_ASSIST_REQUEST)hdrp)->SGL; 1305 break; 1306 default: 1307 mpt_prt(mpt, "bad fct 0x%x in mpt_execute_req_a64\n", 1308 hdrp->Function); 1309 error = EINVAL; 1310 break; 1311 } 1312 } 1313 1314 if (error == 0 && ((uint32_t)nseg) >= mpt->max_seg_cnt) { 1315 error = EFBIG; 1316 mpt_prt(mpt, "segment count %d too large (max %u)\n", 1317 nseg, mpt->max_seg_cnt); 1318 } 1319 1320 bad: 1321 if (error != 0) { 1322 if (error != EFBIG && error != ENOMEM) { 1323 mpt_prt(mpt, "mpt_execute_req_a64: err %d\n", error); 1324 } 1325 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INPROG) { 1326 cam_status status; 1327 mpt_freeze_ccb(ccb); 1328 if (error == EFBIG) { 1329 status = CAM_REQ_TOO_BIG; 1330 } else if (error == ENOMEM) { 1331 if (mpt->outofbeer == 0) { 1332 mpt->outofbeer = 1; 1333 xpt_freeze_simq(mpt->sim, 1); 1334 mpt_lprt(mpt, MPT_PRT_DEBUG, 1335 "FREEZEQ\n"); 1336 } 1337 status = CAM_REQUEUE_REQ; 1338 } else { 1339 status = CAM_REQ_CMP_ERR; 1340 } 1341 mpt_set_ccb_status(ccb, status); 1342 } 1343 if (hdrp->Function == MPI_FUNCTION_TARGET_ASSIST) { 1344 request_t *cmd_req = 1345 MPT_TAG_2_REQ(mpt, ccb->csio.tag_id); 1346 MPT_TGT_STATE(mpt, cmd_req)->state = TGT_STATE_IN_CAM; 1347 MPT_TGT_STATE(mpt, cmd_req)->ccb = NULL; 1348 MPT_TGT_STATE(mpt, cmd_req)->req = NULL; 1349 } 1350 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 1351 KASSERT(ccb->ccb_h.status, ("zero ccb sts at %d\n", __LINE__)); 1352 xpt_done(ccb); 1353 CAMLOCK_2_MPTLOCK(mpt); 1354 mpt_free_request(mpt, req); 1355 MPTLOCK_2_CAMLOCK(mpt); 1356 return; 1357 } 1358 1359 /* 1360 * No data to transfer? 1361 * Just make a single simple SGL with zero length. 1362 */ 1363 1364 if (mpt->verbose >= MPT_PRT_DEBUG) { 1365 int tidx = ((char *)sglp) - mpt_off; 1366 memset(&mpt_off[tidx], 0xff, MPT_REQUEST_AREA - tidx); 1367 } 1368 1369 if (nseg == 0) { 1370 SGE_SIMPLE32 *se1 = (SGE_SIMPLE32 *) sglp; 1371 MPI_pSGE_SET_FLAGS(se1, 1372 (MPI_SGE_FLAGS_LAST_ELEMENT | MPI_SGE_FLAGS_END_OF_BUFFER | 1373 MPI_SGE_FLAGS_SIMPLE_ELEMENT | MPI_SGE_FLAGS_END_OF_LIST)); 1374 se1->FlagsLength = htole32(se1->FlagsLength); 1375 goto out; 1376 } 1377 1378 1379 flags = MPI_SGE_FLAGS_SIMPLE_ELEMENT | MPI_SGE_FLAGS_64_BIT_ADDRESSING; 1380 if (istgt == 0) { 1381 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_OUT) { 1382 flags |= MPI_SGE_FLAGS_HOST_TO_IOC; 1383 } 1384 } else { 1385 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 1386 flags |= MPI_SGE_FLAGS_HOST_TO_IOC; 1387 } 1388 } 1389 1390 if (!(ccb->ccb_h.flags & (CAM_SG_LIST_PHYS|CAM_DATA_PHYS))) { 1391 bus_dmasync_op_t op; 1392 if (istgt == 0) { 1393 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 1394 op = BUS_DMASYNC_PREREAD; 1395 } else { 1396 op = BUS_DMASYNC_PREWRITE; 1397 } 1398 } else { 1399 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 1400 op = BUS_DMASYNC_PREWRITE; 1401 } else { 1402 op = BUS_DMASYNC_PREREAD; 1403 } 1404 } 1405 bus_dmamap_sync(mpt->buffer_dmat, req->dmap, op); 1406 } 1407 1408 /* 1409 * Okay, fill in what we can at the end of the command frame. 1410 * If we have up to MPT_NSGL_FIRST, we can fit them all into 1411 * the command frame. 1412 * 1413 * Otherwise, we fill up through MPT_NSGL_FIRST less one 1414 * SIMPLE64 pointers and start doing CHAIN64 entries after 1415 * that. 1416 */ 1417 1418 if (nseg < MPT_NSGL_FIRST(mpt)) { 1419 first_lim = nseg; 1420 } else { 1421 /* 1422 * Leave room for CHAIN element 1423 */ 1424 first_lim = MPT_NSGL_FIRST(mpt) - 1; 1425 } 1426 1427 se = (SGE_SIMPLE64 *) sglp; 1428 for (seg = 0; seg < first_lim; seg++, se++, dm_segs++) { 1429 uint32_t tf; 1430 1431 memset(se, 0, sizeof (*se)); 1432 se->Address.Low = htole32(dm_segs->ds_addr & 0xffffffff); 1433 if (sizeof(bus_addr_t) > 4) { 1434 se->Address.High = ((uint64_t) dm_segs->ds_addr) >> 32; 1435 } 1436 MPI_pSGE_SET_LENGTH(se, dm_segs->ds_len); 1437 tf = flags; 1438 if (seg == first_lim - 1) { 1439 tf |= MPI_SGE_FLAGS_LAST_ELEMENT; 1440 } 1441 if (seg == nseg - 1) { 1442 tf |= MPI_SGE_FLAGS_END_OF_LIST | 1443 MPI_SGE_FLAGS_END_OF_BUFFER; 1444 } 1445 MPI_pSGE_SET_FLAGS(se, tf); 1446 se->FlagsLength = htole32(se->FlagsLength); 1447 } 1448 1449 if (seg == nseg) { 1450 goto out; 1451 } 1452 1453 /* 1454 * Tell the IOC where to find the first chain element. 1455 */ 1456 hdrp->ChainOffset = ((char *)se - (char *)hdrp) >> 2; 1457 nxt_off = MPT_RQSL(mpt); 1458 trq = req; 1459 1460 /* 1461 * Make up the rest of the data segments out of a chain element 1462 * (contiained in the current request frame) which points to 1463 * SIMPLE64 elements in the next request frame, possibly ending 1464 * with *another* chain element (if there's more). 1465 */ 1466 while (seg < nseg) { 1467 int this_seg_lim; 1468 uint32_t tf, cur_off; 1469 bus_addr_t chain_list_addr; 1470 1471 /* 1472 * Point to the chain descriptor. Note that the chain 1473 * descriptor is at the end of the *previous* list (whether 1474 * chain or simple). 1475 */ 1476 ce = (SGE_CHAIN64 *) se; 1477 1478 /* 1479 * Before we change our current pointer, make sure we won't 1480 * overflow the request area with this frame. Note that we 1481 * test against 'greater than' here as it's okay in this case 1482 * to have next offset be just outside the request area. 1483 */ 1484 if ((nxt_off + MPT_RQSL(mpt)) > MPT_REQUEST_AREA) { 1485 nxt_off = MPT_REQUEST_AREA; 1486 goto next_chain; 1487 } 1488 1489 /* 1490 * Set our SGE element pointer to the beginning of the chain 1491 * list and update our next chain list offset. 1492 */ 1493 se = (SGE_SIMPLE64 *) &mpt_off[nxt_off]; 1494 cur_off = nxt_off; 1495 nxt_off += MPT_RQSL(mpt); 1496 1497 /* 1498 * Now initialized the chain descriptor. 1499 */ 1500 memset(ce, 0, sizeof (*ce)); 1501 1502 /* 1503 * Get the physical address of the chain list. 1504 */ 1505 chain_list_addr = trq->req_pbuf; 1506 chain_list_addr += cur_off; 1507 if (sizeof (bus_addr_t) > 4) { 1508 ce->Address.High = 1509 htole32((uint32_t) ((uint64_t)chain_list_addr >> 32)); 1510 } 1511 ce->Address.Low = htole32((uint32_t) chain_list_addr); 1512 ce->Flags = MPI_SGE_FLAGS_CHAIN_ELEMENT | 1513 MPI_SGE_FLAGS_64_BIT_ADDRESSING; 1514 1515 /* 1516 * If we have more than a frame's worth of segments left, 1517 * set up the chain list to have the last element be another 1518 * chain descriptor. 1519 */ 1520 if ((nseg - seg) > MPT_NSGL(mpt)) { 1521 this_seg_lim = seg + MPT_NSGL(mpt) - 1; 1522 /* 1523 * The length of the chain is the length in bytes of the 1524 * number of segments plus the next chain element. 1525 * 1526 * The next chain descriptor offset is the length, 1527 * in words, of the number of segments. 1528 */ 1529 ce->Length = (this_seg_lim - seg) * 1530 sizeof (SGE_SIMPLE64); 1531 ce->NextChainOffset = ce->Length >> 2; 1532 ce->Length += sizeof (SGE_CHAIN64); 1533 } else { 1534 this_seg_lim = nseg; 1535 ce->Length = (this_seg_lim - seg) * 1536 sizeof (SGE_SIMPLE64); 1537 } 1538 1539 /* 1540 * Fill in the chain list SGE elements with our segment data. 1541 * 1542 * If we're the last element in this chain list, set the last 1543 * element flag. If we're the completely last element period, 1544 * set the end of list and end of buffer flags. 1545 */ 1546 while (seg < this_seg_lim) { 1547 memset(se, 0, sizeof (*se)); 1548 se->Address.Low = htole32(dm_segs->ds_addr); 1549 if (sizeof (bus_addr_t) > 4) { 1550 se->Address.High = 1551 htole32(((uint64_t)dm_segs->ds_addr) >> 32); 1552 } 1553 MPI_pSGE_SET_LENGTH(se, dm_segs->ds_len); 1554 tf = flags; 1555 if (seg == this_seg_lim - 1) { 1556 tf |= MPI_SGE_FLAGS_LAST_ELEMENT; 1557 } 1558 if (seg == nseg - 1) { 1559 tf |= MPI_SGE_FLAGS_END_OF_LIST | 1560 MPI_SGE_FLAGS_END_OF_BUFFER; 1561 } 1562 MPI_pSGE_SET_FLAGS(se, tf); 1563 se->FlagsLength = htole32(se->FlagsLength); 1564 se++; 1565 seg++; 1566 dm_segs++; 1567 } 1568 1569 next_chain: 1570 /* 1571 * If we have more segments to do and we've used up all of 1572 * the space in a request area, go allocate another one 1573 * and chain to that. 1574 */ 1575 if (seg < nseg && nxt_off >= MPT_REQUEST_AREA) { 1576 request_t *nrq; 1577 1578 CAMLOCK_2_MPTLOCK(mpt); 1579 nrq = mpt_get_request(mpt, FALSE); 1580 MPTLOCK_2_CAMLOCK(mpt); 1581 1582 if (nrq == NULL) { 1583 error = ENOMEM; 1584 goto bad; 1585 } 1586 1587 /* 1588 * Append the new request area on the tail of our list. 1589 */ 1590 if ((trq = req->chain) == NULL) { 1591 req->chain = nrq; 1592 } else { 1593 while (trq->chain != NULL) { 1594 trq = trq->chain; 1595 } 1596 trq->chain = nrq; 1597 } 1598 trq = nrq; 1599 mpt_off = trq->req_vbuf; 1600 if (mpt->verbose >= MPT_PRT_DEBUG) { 1601 memset(mpt_off, 0xff, MPT_REQUEST_AREA); 1602 } 1603 nxt_off = 0; 1604 } 1605 } 1606 out: 1607 1608 /* 1609 * Last time we need to check if this CCB needs to be aborted. 1610 */ 1611 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_INPROG) { 1612 if (hdrp->Function == MPI_FUNCTION_TARGET_ASSIST) { 1613 request_t *cmd_req = 1614 MPT_TAG_2_REQ(mpt, ccb->csio.tag_id); 1615 MPT_TGT_STATE(mpt, cmd_req)->state = TGT_STATE_IN_CAM; 1616 MPT_TGT_STATE(mpt, cmd_req)->ccb = NULL; 1617 MPT_TGT_STATE(mpt, cmd_req)->req = NULL; 1618 } 1619 mpt_prt(mpt, 1620 "mpt_execute_req_a64: I/O cancelled (status 0x%x)\n", 1621 ccb->ccb_h.status & CAM_STATUS_MASK); 1622 if (nseg && (ccb->ccb_h.flags & CAM_SG_LIST_PHYS) == 0) { 1623 bus_dmamap_unload(mpt->buffer_dmat, req->dmap); 1624 } 1625 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 1626 KASSERT(ccb->ccb_h.status, ("zero ccb sts at %d\n", __LINE__)); 1627 xpt_done(ccb); 1628 CAMLOCK_2_MPTLOCK(mpt); 1629 mpt_free_request(mpt, req); 1630 MPTLOCK_2_CAMLOCK(mpt); 1631 return; 1632 } 1633 1634 ccb->ccb_h.status |= CAM_SIM_QUEUED; 1635 if (ccb->ccb_h.timeout != CAM_TIME_INFINITY) { 1636 mpt_req_timeout(req, (ccb->ccb_h.timeout * hz) / 1000, 1637 mpt_timeout, ccb); 1638 } 1639 if (mpt->verbose > MPT_PRT_DEBUG) { 1640 int nc = 0; 1641 mpt_print_request(req->req_vbuf); 1642 for (trq = req->chain; trq; trq = trq->chain) { 1643 printf(" Additional Chain Area %d\n", nc++); 1644 mpt_dump_sgl(trq->req_vbuf, 0); 1645 } 1646 } 1647 1648 if (hdrp->Function == MPI_FUNCTION_TARGET_ASSIST) { 1649 request_t *cmd_req = MPT_TAG_2_REQ(mpt, ccb->csio.tag_id); 1650 mpt_tgt_state_t *tgt = MPT_TGT_STATE(mpt, cmd_req); 1651 #ifdef WE_TRUST_AUTO_GOOD_STATUS 1652 if ((ccb->ccb_h.flags & CAM_SEND_STATUS) && 1653 csio->scsi_status == SCSI_STATUS_OK && tgt->resid == 0) { 1654 tgt->state = TGT_STATE_MOVING_DATA_AND_STATUS; 1655 } else { 1656 tgt->state = TGT_STATE_MOVING_DATA; 1657 } 1658 #else 1659 tgt->state = TGT_STATE_MOVING_DATA; 1660 #endif 1661 } 1662 CAMLOCK_2_MPTLOCK(mpt); 1663 mpt_send_cmd(mpt, req); 1664 MPTLOCK_2_CAMLOCK(mpt); 1665 } 1666 1667 static void 1668 mpt_execute_req(void *arg, bus_dma_segment_t *dm_segs, int nseg, int error) 1669 { 1670 request_t *req, *trq; 1671 char *mpt_off; 1672 union ccb *ccb; 1673 struct mpt_softc *mpt; 1674 int seg, first_lim; 1675 uint32_t flags, nxt_off; 1676 void *sglp = NULL; 1677 MSG_REQUEST_HEADER *hdrp; 1678 SGE_SIMPLE32 *se; 1679 SGE_CHAIN32 *ce; 1680 int istgt = 0; 1681 1682 req = (request_t *)arg; 1683 ccb = req->ccb; 1684 1685 mpt = ccb->ccb_h.ccb_mpt_ptr; 1686 req = ccb->ccb_h.ccb_req_ptr; 1687 1688 hdrp = req->req_vbuf; 1689 mpt_off = req->req_vbuf; 1690 1691 1692 if (error == 0 && ((uint32_t)nseg) >= mpt->max_seg_cnt) { 1693 error = EFBIG; 1694 } 1695 1696 if (error == 0) { 1697 switch (hdrp->Function) { 1698 case MPI_FUNCTION_SCSI_IO_REQUEST: 1699 case MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH: 1700 sglp = &((PTR_MSG_SCSI_IO_REQUEST)hdrp)->SGL; 1701 break; 1702 case MPI_FUNCTION_TARGET_ASSIST: 1703 istgt = 1; 1704 sglp = &((PTR_MSG_TARGET_ASSIST_REQUEST)hdrp)->SGL; 1705 break; 1706 default: 1707 mpt_prt(mpt, "bad fct 0x%x in mpt_execute_req\n", 1708 hdrp->Function); 1709 error = EINVAL; 1710 break; 1711 } 1712 } 1713 1714 if (error == 0 && ((uint32_t)nseg) >= mpt->max_seg_cnt) { 1715 error = EFBIG; 1716 mpt_prt(mpt, "segment count %d too large (max %u)\n", 1717 nseg, mpt->max_seg_cnt); 1718 } 1719 1720 bad: 1721 if (error != 0) { 1722 if (error != EFBIG && error != ENOMEM) { 1723 mpt_prt(mpt, "mpt_execute_req: err %d\n", error); 1724 } 1725 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INPROG) { 1726 cam_status status; 1727 mpt_freeze_ccb(ccb); 1728 if (error == EFBIG) { 1729 status = CAM_REQ_TOO_BIG; 1730 } else if (error == ENOMEM) { 1731 if (mpt->outofbeer == 0) { 1732 mpt->outofbeer = 1; 1733 xpt_freeze_simq(mpt->sim, 1); 1734 mpt_lprt(mpt, MPT_PRT_DEBUG, 1735 "FREEZEQ\n"); 1736 } 1737 status = CAM_REQUEUE_REQ; 1738 } else { 1739 status = CAM_REQ_CMP_ERR; 1740 } 1741 mpt_set_ccb_status(ccb, status); 1742 } 1743 if (hdrp->Function == MPI_FUNCTION_TARGET_ASSIST) { 1744 request_t *cmd_req = 1745 MPT_TAG_2_REQ(mpt, ccb->csio.tag_id); 1746 MPT_TGT_STATE(mpt, cmd_req)->state = TGT_STATE_IN_CAM; 1747 MPT_TGT_STATE(mpt, cmd_req)->ccb = NULL; 1748 MPT_TGT_STATE(mpt, cmd_req)->req = NULL; 1749 } 1750 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 1751 KASSERT(ccb->ccb_h.status, ("zero ccb sts at %d\n", __LINE__)); 1752 xpt_done(ccb); 1753 CAMLOCK_2_MPTLOCK(mpt); 1754 mpt_free_request(mpt, req); 1755 MPTLOCK_2_CAMLOCK(mpt); 1756 return; 1757 } 1758 1759 /* 1760 * No data to transfer? 1761 * Just make a single simple SGL with zero length. 1762 */ 1763 1764 if (mpt->verbose >= MPT_PRT_DEBUG) { 1765 int tidx = ((char *)sglp) - mpt_off; 1766 memset(&mpt_off[tidx], 0xff, MPT_REQUEST_AREA - tidx); 1767 } 1768 1769 if (nseg == 0) { 1770 SGE_SIMPLE32 *se1 = (SGE_SIMPLE32 *) sglp; 1771 MPI_pSGE_SET_FLAGS(se1, 1772 (MPI_SGE_FLAGS_LAST_ELEMENT | MPI_SGE_FLAGS_END_OF_BUFFER | 1773 MPI_SGE_FLAGS_SIMPLE_ELEMENT | MPI_SGE_FLAGS_END_OF_LIST)); 1774 se1->FlagsLength = htole32(se1->FlagsLength); 1775 goto out; 1776 } 1777 1778 1779 flags = MPI_SGE_FLAGS_SIMPLE_ELEMENT; 1780 if (istgt == 0) { 1781 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_OUT) { 1782 flags |= MPI_SGE_FLAGS_HOST_TO_IOC; 1783 } 1784 } else { 1785 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 1786 flags |= MPI_SGE_FLAGS_HOST_TO_IOC; 1787 } 1788 } 1789 1790 if (!(ccb->ccb_h.flags & (CAM_SG_LIST_PHYS|CAM_DATA_PHYS))) { 1791 bus_dmasync_op_t op; 1792 if (istgt) { 1793 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 1794 op = BUS_DMASYNC_PREREAD; 1795 } else { 1796 op = BUS_DMASYNC_PREWRITE; 1797 } 1798 } else { 1799 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 1800 op = BUS_DMASYNC_PREWRITE; 1801 } else { 1802 op = BUS_DMASYNC_PREREAD; 1803 } 1804 } 1805 bus_dmamap_sync(mpt->buffer_dmat, req->dmap, op); 1806 } 1807 1808 /* 1809 * Okay, fill in what we can at the end of the command frame. 1810 * If we have up to MPT_NSGL_FIRST, we can fit them all into 1811 * the command frame. 1812 * 1813 * Otherwise, we fill up through MPT_NSGL_FIRST less one 1814 * SIMPLE32 pointers and start doing CHAIN32 entries after 1815 * that. 1816 */ 1817 1818 if (nseg < MPT_NSGL_FIRST(mpt)) { 1819 first_lim = nseg; 1820 } else { 1821 /* 1822 * Leave room for CHAIN element 1823 */ 1824 first_lim = MPT_NSGL_FIRST(mpt) - 1; 1825 } 1826 1827 se = (SGE_SIMPLE32 *) sglp; 1828 for (seg = 0; seg < first_lim; seg++, se++, dm_segs++) { 1829 uint32_t tf; 1830 1831 memset(se, 0,sizeof (*se)); 1832 se->Address = dm_segs->ds_addr; 1833 1834 1835 1836 MPI_pSGE_SET_LENGTH(se, dm_segs->ds_len); 1837 tf = flags; 1838 if (seg == first_lim - 1) { 1839 tf |= MPI_SGE_FLAGS_LAST_ELEMENT; 1840 } 1841 if (seg == nseg - 1) { 1842 tf |= MPI_SGE_FLAGS_END_OF_LIST | 1843 MPI_SGE_FLAGS_END_OF_BUFFER; 1844 } 1845 MPI_pSGE_SET_FLAGS(se, tf); 1846 se->FlagsLength = htole32(se->FlagsLength); 1847 } 1848 1849 if (seg == nseg) { 1850 goto out; 1851 } 1852 1853 /* 1854 * Tell the IOC where to find the first chain element. 1855 */ 1856 hdrp->ChainOffset = ((char *)se - (char *)hdrp) >> 2; 1857 nxt_off = MPT_RQSL(mpt); 1858 trq = req; 1859 1860 /* 1861 * Make up the rest of the data segments out of a chain element 1862 * (contiained in the current request frame) which points to 1863 * SIMPLE32 elements in the next request frame, possibly ending 1864 * with *another* chain element (if there's more). 1865 */ 1866 while (seg < nseg) { 1867 int this_seg_lim; 1868 uint32_t tf, cur_off; 1869 bus_addr_t chain_list_addr; 1870 1871 /* 1872 * Point to the chain descriptor. Note that the chain 1873 * descriptor is at the end of the *previous* list (whether 1874 * chain or simple). 1875 */ 1876 ce = (SGE_CHAIN32 *) se; 1877 1878 /* 1879 * Before we change our current pointer, make sure we won't 1880 * overflow the request area with this frame. Note that we 1881 * test against 'greater than' here as it's okay in this case 1882 * to have next offset be just outside the request area. 1883 */ 1884 if ((nxt_off + MPT_RQSL(mpt)) > MPT_REQUEST_AREA) { 1885 nxt_off = MPT_REQUEST_AREA; 1886 goto next_chain; 1887 } 1888 1889 /* 1890 * Set our SGE element pointer to the beginning of the chain 1891 * list and update our next chain list offset. 1892 */ 1893 se = (SGE_SIMPLE32 *) &mpt_off[nxt_off]; 1894 cur_off = nxt_off; 1895 nxt_off += MPT_RQSL(mpt); 1896 1897 /* 1898 * Now initialized the chain descriptor. 1899 */ 1900 memset(ce, 0, sizeof (*ce)); 1901 1902 /* 1903 * Get the physical address of the chain list. 1904 */ 1905 chain_list_addr = trq->req_pbuf; 1906 chain_list_addr += cur_off; 1907 1908 1909 1910 ce->Address = chain_list_addr; 1911 ce->Flags = MPI_SGE_FLAGS_CHAIN_ELEMENT; 1912 1913 1914 /* 1915 * If we have more than a frame's worth of segments left, 1916 * set up the chain list to have the last element be another 1917 * chain descriptor. 1918 */ 1919 if ((nseg - seg) > MPT_NSGL(mpt)) { 1920 this_seg_lim = seg + MPT_NSGL(mpt) - 1; 1921 /* 1922 * The length of the chain is the length in bytes of the 1923 * number of segments plus the next chain element. 1924 * 1925 * The next chain descriptor offset is the length, 1926 * in words, of the number of segments. 1927 */ 1928 ce->Length = (this_seg_lim - seg) * 1929 sizeof (SGE_SIMPLE32); 1930 ce->NextChainOffset = ce->Length >> 2; 1931 ce->Length += sizeof (SGE_CHAIN32); 1932 } else { 1933 this_seg_lim = nseg; 1934 ce->Length = (this_seg_lim - seg) * 1935 sizeof (SGE_SIMPLE32); 1936 } 1937 1938 /* 1939 * Fill in the chain list SGE elements with our segment data. 1940 * 1941 * If we're the last element in this chain list, set the last 1942 * element flag. If we're the completely last element period, 1943 * set the end of list and end of buffer flags. 1944 */ 1945 while (seg < this_seg_lim) { 1946 memset(se, 0, sizeof (*se)); 1947 se->Address = dm_segs->ds_addr; 1948 1949 1950 1951 1952 MPI_pSGE_SET_LENGTH(se, dm_segs->ds_len); 1953 tf = flags; 1954 if (seg == this_seg_lim - 1) { 1955 tf |= MPI_SGE_FLAGS_LAST_ELEMENT; 1956 } 1957 if (seg == nseg - 1) { 1958 tf |= MPI_SGE_FLAGS_END_OF_LIST | 1959 MPI_SGE_FLAGS_END_OF_BUFFER; 1960 } 1961 MPI_pSGE_SET_FLAGS(se, tf); 1962 se->FlagsLength = htole32(se->FlagsLength); 1963 se++; 1964 seg++; 1965 dm_segs++; 1966 } 1967 1968 next_chain: 1969 /* 1970 * If we have more segments to do and we've used up all of 1971 * the space in a request area, go allocate another one 1972 * and chain to that. 1973 */ 1974 if (seg < nseg && nxt_off >= MPT_REQUEST_AREA) { 1975 request_t *nrq; 1976 1977 CAMLOCK_2_MPTLOCK(mpt); 1978 nrq = mpt_get_request(mpt, FALSE); 1979 MPTLOCK_2_CAMLOCK(mpt); 1980 1981 if (nrq == NULL) { 1982 error = ENOMEM; 1983 goto bad; 1984 } 1985 1986 /* 1987 * Append the new request area on the tail of our list. 1988 */ 1989 if ((trq = req->chain) == NULL) { 1990 req->chain = nrq; 1991 } else { 1992 while (trq->chain != NULL) { 1993 trq = trq->chain; 1994 } 1995 trq->chain = nrq; 1996 } 1997 trq = nrq; 1998 mpt_off = trq->req_vbuf; 1999 if (mpt->verbose >= MPT_PRT_DEBUG) { 2000 memset(mpt_off, 0xff, MPT_REQUEST_AREA); 2001 } 2002 nxt_off = 0; 2003 } 2004 } 2005 out: 2006 2007 /* 2008 * Last time we need to check if this CCB needs to be aborted. 2009 */ 2010 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_INPROG) { 2011 if (hdrp->Function == MPI_FUNCTION_TARGET_ASSIST) { 2012 request_t *cmd_req = 2013 MPT_TAG_2_REQ(mpt, ccb->csio.tag_id); 2014 MPT_TGT_STATE(mpt, cmd_req)->state = TGT_STATE_IN_CAM; 2015 MPT_TGT_STATE(mpt, cmd_req)->ccb = NULL; 2016 MPT_TGT_STATE(mpt, cmd_req)->req = NULL; 2017 } 2018 mpt_prt(mpt, 2019 "mpt_execute_req: I/O cancelled (status 0x%x)\n", 2020 ccb->ccb_h.status & CAM_STATUS_MASK); 2021 if (nseg && (ccb->ccb_h.flags & CAM_SG_LIST_PHYS) == 0) { 2022 bus_dmamap_unload(mpt->buffer_dmat, req->dmap); 2023 } 2024 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 2025 KASSERT(ccb->ccb_h.status, ("zero ccb sts at %d\n", __LINE__)); 2026 xpt_done(ccb); 2027 CAMLOCK_2_MPTLOCK(mpt); 2028 mpt_free_request(mpt, req); 2029 MPTLOCK_2_CAMLOCK(mpt); 2030 return; 2031 } 2032 2033 ccb->ccb_h.status |= CAM_SIM_QUEUED; 2034 if (ccb->ccb_h.timeout != CAM_TIME_INFINITY) { 2035 mpt_req_timeout(req, (ccb->ccb_h.timeout * hz) / 1000, 2036 mpt_timeout, ccb); 2037 } 2038 if (mpt->verbose > MPT_PRT_DEBUG) { 2039 int nc = 0; 2040 mpt_print_request(req->req_vbuf); 2041 for (trq = req->chain; trq; trq = trq->chain) { 2042 printf(" Additional Chain Area %d\n", nc++); 2043 mpt_dump_sgl(trq->req_vbuf, 0); 2044 } 2045 } 2046 2047 if (hdrp->Function == MPI_FUNCTION_TARGET_ASSIST) { 2048 request_t *cmd_req = MPT_TAG_2_REQ(mpt, ccb->csio.tag_id); 2049 mpt_tgt_state_t *tgt = MPT_TGT_STATE(mpt, cmd_req); 2050 #ifdef WE_TRUST_AUTO_GOOD_STATUS 2051 if ((ccb->ccb_h.flags & CAM_SEND_STATUS) && 2052 csio->scsi_status == SCSI_STATUS_OK && tgt->resid == 0) { 2053 tgt->state = TGT_STATE_MOVING_DATA_AND_STATUS; 2054 } else { 2055 tgt->state = TGT_STATE_MOVING_DATA; 2056 } 2057 #else 2058 tgt->state = TGT_STATE_MOVING_DATA; 2059 #endif 2060 } 2061 CAMLOCK_2_MPTLOCK(mpt); 2062 mpt_send_cmd(mpt, req); 2063 MPTLOCK_2_CAMLOCK(mpt); 2064 } 2065 2066 static void 2067 mpt_start(struct cam_sim *sim, union ccb *ccb) 2068 { 2069 request_t *req; 2070 struct mpt_softc *mpt; 2071 MSG_SCSI_IO_REQUEST *mpt_req; 2072 struct ccb_scsiio *csio = &ccb->csio; 2073 struct ccb_hdr *ccbh = &ccb->ccb_h; 2074 bus_dmamap_callback_t *cb; 2075 target_id_t tgt; 2076 int raid_passthru; 2077 2078 /* Get the pointer for the physical addapter */ 2079 mpt = ccb->ccb_h.ccb_mpt_ptr; 2080 raid_passthru = (sim == mpt->phydisk_sim); 2081 2082 CAMLOCK_2_MPTLOCK(mpt); 2083 if ((req = mpt_get_request(mpt, FALSE)) == NULL) { 2084 if (mpt->outofbeer == 0) { 2085 mpt->outofbeer = 1; 2086 xpt_freeze_simq(mpt->sim, 1); 2087 mpt_lprt(mpt, MPT_PRT_DEBUG, "FREEZEQ\n"); 2088 } 2089 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 2090 mpt_set_ccb_status(ccb, CAM_REQUEUE_REQ); 2091 MPTLOCK_2_CAMLOCK(mpt); 2092 xpt_done(ccb); 2093 return; 2094 } 2095 #ifdef INVARIANTS 2096 mpt_req_not_spcl(mpt, req, "mpt_start", __LINE__); 2097 #endif 2098 MPTLOCK_2_CAMLOCK(mpt); 2099 2100 if (sizeof (bus_addr_t) > 4) { 2101 cb = mpt_execute_req_a64; 2102 } else { 2103 cb = mpt_execute_req; 2104 } 2105 2106 /* 2107 * Link the ccb and the request structure so we can find 2108 * the other knowing either the request or the ccb 2109 */ 2110 req->ccb = ccb; 2111 ccb->ccb_h.ccb_req_ptr = req; 2112 2113 /* Now we build the command for the IOC */ 2114 mpt_req = req->req_vbuf; 2115 memset(mpt_req, 0, sizeof (MSG_SCSI_IO_REQUEST)); 2116 2117 mpt_req->Function = MPI_FUNCTION_SCSI_IO_REQUEST; 2118 if (raid_passthru) { 2119 mpt_req->Function = MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH; 2120 CAMLOCK_2_MPTLOCK(mpt); 2121 if (mpt_map_physdisk(mpt, ccb, &tgt) != 0) { 2122 MPTLOCK_2_CAMLOCK(mpt); 2123 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 2124 mpt_set_ccb_status(ccb, CAM_DEV_NOT_THERE); 2125 xpt_done(ccb); 2126 return; 2127 } 2128 MPTLOCK_2_CAMLOCK(mpt); 2129 mpt_req->Bus = 0; /* we never set bus here */ 2130 } else { 2131 tgt = ccb->ccb_h.target_id; 2132 mpt_req->Bus = 0; /* XXX */ 2133 2134 } 2135 mpt_req->SenseBufferLength = 2136 (csio->sense_len < MPT_SENSE_SIZE) ? 2137 csio->sense_len : MPT_SENSE_SIZE; 2138 2139 /* 2140 * We use the message context to find the request structure when we 2141 * Get the command completion interrupt from the IOC. 2142 */ 2143 mpt_req->MsgContext = htole32(req->index | scsi_io_handler_id); 2144 2145 /* Which physical device to do the I/O on */ 2146 mpt_req->TargetID = tgt; 2147 2148 /* We assume a single level LUN type */ 2149 if (ccb->ccb_h.target_lun >= 256) { 2150 mpt_req->LUN[0] = 0x40 | ((ccb->ccb_h.target_lun >> 8) & 0x3f); 2151 mpt_req->LUN[1] = ccb->ccb_h.target_lun & 0xff; 2152 } else { 2153 mpt_req->LUN[1] = ccb->ccb_h.target_lun; 2154 } 2155 2156 /* Set the direction of the transfer */ 2157 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 2158 mpt_req->Control = MPI_SCSIIO_CONTROL_READ; 2159 } else if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_OUT) { 2160 mpt_req->Control = MPI_SCSIIO_CONTROL_WRITE; 2161 } else { 2162 mpt_req->Control = MPI_SCSIIO_CONTROL_NODATATRANSFER; 2163 } 2164 2165 if ((ccb->ccb_h.flags & CAM_TAG_ACTION_VALID) != 0) { 2166 switch(ccb->csio.tag_action) { 2167 case MSG_HEAD_OF_Q_TAG: 2168 mpt_req->Control |= MPI_SCSIIO_CONTROL_HEADOFQ; 2169 break; 2170 case MSG_ACA_TASK: 2171 mpt_req->Control |= MPI_SCSIIO_CONTROL_ACAQ; 2172 break; 2173 case MSG_ORDERED_Q_TAG: 2174 mpt_req->Control |= MPI_SCSIIO_CONTROL_ORDEREDQ; 2175 break; 2176 case MSG_SIMPLE_Q_TAG: 2177 default: 2178 mpt_req->Control |= MPI_SCSIIO_CONTROL_SIMPLEQ; 2179 break; 2180 } 2181 } else { 2182 if (mpt->is_fc || mpt->is_sas) { 2183 mpt_req->Control |= MPI_SCSIIO_CONTROL_SIMPLEQ; 2184 } else { 2185 /* XXX No such thing for a target doing packetized. */ 2186 mpt_req->Control |= MPI_SCSIIO_CONTROL_UNTAGGED; 2187 } 2188 } 2189 2190 if (mpt->is_spi) { 2191 if (ccb->ccb_h.flags & CAM_DIS_DISCONNECT) { 2192 mpt_req->Control |= MPI_SCSIIO_CONTROL_NO_DISCONNECT; 2193 } 2194 } 2195 2196 /* Copy the scsi command block into place */ 2197 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0) { 2198 bcopy(csio->cdb_io.cdb_ptr, mpt_req->CDB, csio->cdb_len); 2199 } else { 2200 bcopy(csio->cdb_io.cdb_bytes, mpt_req->CDB, csio->cdb_len); 2201 } 2202 2203 mpt_req->CDBLength = csio->cdb_len; 2204 mpt_req->DataLength = htole32(csio->dxfer_len); 2205 mpt_req->SenseBufferLowAddr = htole32(req->sense_pbuf); 2206 2207 /* 2208 * Do a *short* print here if we're set to MPT_PRT_DEBUG 2209 */ 2210 if (mpt->verbose == MPT_PRT_DEBUG) { 2211 U32 df; 2212 mpt_prt(mpt, "mpt_start: %s op 0x%x ", 2213 (mpt_req->Function == MPI_FUNCTION_SCSI_IO_REQUEST)? 2214 "SCSI_IO_REQUEST" : "SCSI_IO_PASSTHRU", mpt_req->CDB[0]); 2215 df = mpt_req->Control & MPI_SCSIIO_CONTROL_DATADIRECTION_MASK; 2216 if (df != MPI_SCSIIO_CONTROL_NODATATRANSFER) { 2217 mpt_prtc(mpt, "(%s %u byte%s ", 2218 (df == MPI_SCSIIO_CONTROL_READ)? 2219 "read" : "write", csio->dxfer_len, 2220 (csio->dxfer_len == 1)? ")" : "s)"); 2221 } 2222 mpt_prtc(mpt, "tgt %u lun %u req %p:%u\n", tgt, 2223 ccb->ccb_h.target_lun, req, req->serno); 2224 } 2225 2226 /* 2227 * If we have any data to send with this command map it into bus space. 2228 */ 2229 if ((ccbh->flags & CAM_DIR_MASK) != CAM_DIR_NONE) { 2230 if ((ccbh->flags & CAM_SCATTER_VALID) == 0) { 2231 /* 2232 * We've been given a pointer to a single buffer. 2233 */ 2234 if ((ccbh->flags & CAM_DATA_PHYS) == 0) { 2235 /* 2236 * Virtual address that needs to translated into 2237 * one or more physical address ranges. 2238 */ 2239 int error; 2240 int s = splsoftvm(); 2241 error = bus_dmamap_load(mpt->buffer_dmat, 2242 req->dmap, csio->data_ptr, csio->dxfer_len, 2243 cb, req, 0); 2244 splx(s); 2245 if (error == EINPROGRESS) { 2246 /* 2247 * So as to maintain ordering, 2248 * freeze the controller queue 2249 * until our mapping is 2250 * returned. 2251 */ 2252 xpt_freeze_simq(mpt->sim, 1); 2253 ccbh->status |= CAM_RELEASE_SIMQ; 2254 } 2255 } else { 2256 /* 2257 * We have been given a pointer to single 2258 * physical buffer. 2259 */ 2260 struct bus_dma_segment seg; 2261 seg.ds_addr = 2262 (bus_addr_t)(vm_offset_t)csio->data_ptr; 2263 seg.ds_len = csio->dxfer_len; 2264 (*cb)(req, &seg, 1, 0); 2265 } 2266 } else { 2267 /* 2268 * We have been given a list of addresses. 2269 * This case could be easily supported but they are not 2270 * currently generated by the CAM subsystem so there 2271 * is no point in wasting the time right now. 2272 */ 2273 struct bus_dma_segment *segs; 2274 if ((ccbh->flags & CAM_SG_LIST_PHYS) == 0) { 2275 (*cb)(req, NULL, 0, EFAULT); 2276 } else { 2277 /* Just use the segments provided */ 2278 segs = (struct bus_dma_segment *)csio->data_ptr; 2279 (*cb)(req, segs, csio->sglist_cnt, 0); 2280 } 2281 } 2282 } else { 2283 (*cb)(req, NULL, 0, 0); 2284 } 2285 } 2286 2287 static int 2288 mpt_bus_reset(struct mpt_softc *mpt, target_id_t tgt, lun_id_t lun, 2289 int sleep_ok) 2290 { 2291 int error; 2292 uint16_t status; 2293 uint8_t response; 2294 2295 error = mpt_scsi_send_tmf(mpt, 2296 (tgt != CAM_TARGET_WILDCARD || lun != CAM_LUN_WILDCARD) ? 2297 MPI_SCSITASKMGMT_TASKTYPE_TARGET_RESET : 2298 MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS, 2299 mpt->is_fc ? MPI_SCSITASKMGMT_MSGFLAGS_LIP_RESET_OPTION : 0, 2300 0, /* XXX How do I get the channel ID? */ 2301 tgt != CAM_TARGET_WILDCARD ? tgt : 0, 2302 lun != CAM_LUN_WILDCARD ? lun : 0, 2303 0, sleep_ok); 2304 2305 if (error != 0) { 2306 /* 2307 * mpt_scsi_send_tmf hard resets on failure, so no 2308 * need to do so here. 2309 */ 2310 mpt_prt(mpt, 2311 "mpt_bus_reset: mpt_scsi_send_tmf returned %d\n", error); 2312 return (EIO); 2313 } 2314 2315 /* Wait for bus reset to be processed by the IOC. */ 2316 error = mpt_wait_req(mpt, mpt->tmf_req, REQ_STATE_DONE, 2317 REQ_STATE_DONE, sleep_ok, 5000); 2318 2319 status = mpt->tmf_req->IOCStatus; 2320 response = mpt->tmf_req->ResponseCode; 2321 mpt->tmf_req->state = REQ_STATE_FREE; 2322 2323 if (error) { 2324 mpt_prt(mpt, "mpt_bus_reset: Reset timed-out. " 2325 "Resetting controller.\n"); 2326 mpt_reset(mpt, TRUE); 2327 return (ETIMEDOUT); 2328 } 2329 2330 if ((status & MPI_IOCSTATUS_MASK) != MPI_IOCSTATUS_SUCCESS) { 2331 mpt_prt(mpt, "mpt_bus_reset: TMF IOC Status 0x%x. " 2332 "Resetting controller.\n", status); 2333 mpt_reset(mpt, TRUE); 2334 return (EIO); 2335 } 2336 2337 if (response != MPI_SCSITASKMGMT_RSP_TM_SUCCEEDED && 2338 response != MPI_SCSITASKMGMT_RSP_TM_COMPLETE) { 2339 mpt_prt(mpt, "mpt_bus_reset: TMF Response 0x%x. " 2340 "Resetting controller.\n", response); 2341 mpt_reset(mpt, TRUE); 2342 return (EIO); 2343 } 2344 return (0); 2345 } 2346 2347 static int 2348 mpt_fc_reset_link(struct mpt_softc *mpt, int dowait) 2349 { 2350 int r = 0; 2351 request_t *req; 2352 PTR_MSG_FC_PRIMITIVE_SEND_REQUEST fc; 2353 2354 req = mpt_get_request(mpt, FALSE); 2355 if (req == NULL) { 2356 return (ENOMEM); 2357 } 2358 fc = req->req_vbuf; 2359 memset(fc, 0, sizeof(*fc)); 2360 fc->SendFlags = MPI_FC_PRIM_SEND_FLAGS_RESET_LINK; 2361 fc->Function = MPI_FUNCTION_FC_PRIMITIVE_SEND; 2362 fc->MsgContext = htole32(req->index | fc_els_handler_id); 2363 mpt_send_cmd(mpt, req); 2364 if (dowait) { 2365 r = mpt_wait_req(mpt, req, REQ_STATE_DONE, 2366 REQ_STATE_DONE, FALSE, 60 * 1000); 2367 if (r == 0) { 2368 mpt_free_request(mpt, req); 2369 } 2370 } 2371 return (r); 2372 } 2373 2374 static int 2375 mpt_cam_event(struct mpt_softc *mpt, request_t *req, 2376 MSG_EVENT_NOTIFY_REPLY *msg) 2377 { 2378 uint32_t data0, data1; 2379 2380 data0 = le32toh(msg->Data[0]); 2381 data1 = le32toh(msg->Data[1]); 2382 switch(msg->Event & 0xFF) { 2383 case MPI_EVENT_UNIT_ATTENTION: 2384 mpt_prt(mpt, "UNIT ATTENTION: Bus: 0x%02x TargetID: 0x%02x\n", 2385 (data0 >> 8) & 0xff, data0 & 0xff); 2386 break; 2387 2388 case MPI_EVENT_IOC_BUS_RESET: 2389 /* We generated a bus reset */ 2390 mpt_prt(mpt, "IOC Generated Bus Reset Port: %d\n", 2391 (data0 >> 8) & 0xff); 2392 xpt_async(AC_BUS_RESET, mpt->path, NULL); 2393 break; 2394 2395 case MPI_EVENT_EXT_BUS_RESET: 2396 /* Someone else generated a bus reset */ 2397 mpt_prt(mpt, "External Bus Reset Detected\n"); 2398 /* 2399 * These replies don't return EventData like the MPI 2400 * spec says they do 2401 */ 2402 xpt_async(AC_BUS_RESET, mpt->path, NULL); 2403 break; 2404 2405 case MPI_EVENT_RESCAN: 2406 #if __FreeBSD_version >= 600000 2407 { 2408 union ccb *ccb; 2409 uint32_t pathid; 2410 /* 2411 * In general this means a device has been added to the loop. 2412 */ 2413 mpt_prt(mpt, "Rescan Port: %d\n", (data0 >> 8) & 0xff); 2414 if (mpt->ready == 0) { 2415 break; 2416 } 2417 if (mpt->phydisk_sim) { 2418 pathid = cam_sim_path(mpt->phydisk_sim); 2419 } else { 2420 pathid = cam_sim_path(mpt->sim); 2421 } 2422 MPTLOCK_2_CAMLOCK(mpt); 2423 /* 2424 * Allocate a CCB, create a wildcard path for this bus, 2425 * and schedule a rescan. 2426 */ 2427 ccb = xpt_alloc_ccb_nowait(); 2428 if (ccb == NULL) { 2429 mpt_prt(mpt, "unable to alloc CCB for rescan\n"); 2430 CAMLOCK_2_MPTLOCK(mpt); 2431 break; 2432 } 2433 2434 if (xpt_create_path(&ccb->ccb_h.path, xpt_periph, pathid, 2435 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 2436 CAMLOCK_2_MPTLOCK(mpt); 2437 mpt_prt(mpt, "unable to create path for rescan\n"); 2438 xpt_free_ccb(ccb); 2439 break; 2440 } 2441 xpt_rescan(ccb); 2442 CAMLOCK_2_MPTLOCK(mpt); 2443 break; 2444 } 2445 #else 2446 mpt_prt(mpt, "Rescan Port: %d\n", (data0 >> 8) & 0xff); 2447 break; 2448 #endif 2449 case MPI_EVENT_LINK_STATUS_CHANGE: 2450 mpt_prt(mpt, "Port %d: LinkState: %s\n", 2451 (data1 >> 8) & 0xff, 2452 ((data0 & 0xff) == 0)? "Failed" : "Active"); 2453 break; 2454 2455 case MPI_EVENT_LOOP_STATE_CHANGE: 2456 switch ((data0 >> 16) & 0xff) { 2457 case 0x01: 2458 mpt_prt(mpt, 2459 "Port 0x%x: FC LinkEvent: LIP(%02x,%02x) " 2460 "(Loop Initialization)\n", 2461 (data1 >> 8) & 0xff, 2462 (data0 >> 8) & 0xff, 2463 (data0 ) & 0xff); 2464 switch ((data0 >> 8) & 0xff) { 2465 case 0xF7: 2466 if ((data0 & 0xff) == 0xF7) { 2467 mpt_prt(mpt, "Device needs AL_PA\n"); 2468 } else { 2469 mpt_prt(mpt, "Device %02x doesn't like " 2470 "FC performance\n", 2471 data0 & 0xFF); 2472 } 2473 break; 2474 case 0xF8: 2475 if ((data0 & 0xff) == 0xF7) { 2476 mpt_prt(mpt, "Device had loop failure " 2477 "at its receiver prior to acquiring" 2478 " AL_PA\n"); 2479 } else { 2480 mpt_prt(mpt, "Device %02x detected loop" 2481 " failure at its receiver\n", 2482 data0 & 0xFF); 2483 } 2484 break; 2485 default: 2486 mpt_prt(mpt, "Device %02x requests that device " 2487 "%02x reset itself\n", 2488 data0 & 0xFF, 2489 (data0 >> 8) & 0xFF); 2490 break; 2491 } 2492 break; 2493 case 0x02: 2494 mpt_prt(mpt, "Port 0x%x: FC LinkEvent: " 2495 "LPE(%02x,%02x) (Loop Port Enable)\n", 2496 (data1 >> 8) & 0xff, /* Port */ 2497 (data0 >> 8) & 0xff, /* Character 3 */ 2498 (data0 ) & 0xff /* Character 4 */); 2499 break; 2500 case 0x03: 2501 mpt_prt(mpt, "Port 0x%x: FC LinkEvent: " 2502 "LPB(%02x,%02x) (Loop Port Bypass)\n", 2503 (data1 >> 8) & 0xff, /* Port */ 2504 (data0 >> 8) & 0xff, /* Character 3 */ 2505 (data0 ) & 0xff /* Character 4 */); 2506 break; 2507 default: 2508 mpt_prt(mpt, "Port 0x%x: FC LinkEvent: Unknown " 2509 "FC event (%02x %02x %02x)\n", 2510 (data1 >> 8) & 0xff, /* Port */ 2511 (data0 >> 16) & 0xff, /* Event */ 2512 (data0 >> 8) & 0xff, /* Character 3 */ 2513 (data0 ) & 0xff /* Character 4 */); 2514 } 2515 break; 2516 2517 case MPI_EVENT_LOGOUT: 2518 mpt_prt(mpt, "FC Logout Port: %d N_PortID: %02x\n", 2519 (data1 >> 8) & 0xff, data0); 2520 break; 2521 case MPI_EVENT_QUEUE_FULL: 2522 { 2523 struct cam_sim *sim; 2524 struct cam_path *tmppath; 2525 struct ccb_relsim crs; 2526 PTR_EVENT_DATA_QUEUE_FULL pqf = 2527 (PTR_EVENT_DATA_QUEUE_FULL) msg->Data; 2528 lun_id_t lun_id; 2529 2530 mpt_prt(mpt, "QUEUE FULL EVENT: Bus 0x%02x Target 0x%02x Depth " 2531 "%d\n", pqf->Bus, pqf->TargetID, pqf->CurrentDepth); 2532 if (mpt->phydisk_sim) { 2533 sim = mpt->phydisk_sim; 2534 } else { 2535 sim = mpt->sim; 2536 } 2537 MPTLOCK_2_CAMLOCK(mpt); 2538 for (lun_id = 0; lun_id < MPT_MAX_LUNS; lun_id++) { 2539 if (xpt_create_path(&tmppath, NULL, cam_sim_path(sim), 2540 pqf->TargetID, lun_id) != CAM_REQ_CMP) { 2541 mpt_prt(mpt, "unable to create a path to send " 2542 "XPT_REL_SIMQ"); 2543 CAMLOCK_2_MPTLOCK(mpt); 2544 break; 2545 } 2546 xpt_setup_ccb(&crs.ccb_h, tmppath, 5); 2547 crs.ccb_h.func_code = XPT_REL_SIMQ; 2548 crs.release_flags = RELSIM_ADJUST_OPENINGS; 2549 crs.openings = pqf->CurrentDepth - 1; 2550 xpt_action((union ccb *)&crs); 2551 if (crs.ccb_h.status != CAM_REQ_CMP) { 2552 mpt_prt(mpt, "XPT_REL_SIMQ failed\n"); 2553 } 2554 xpt_free_path(tmppath); 2555 } 2556 CAMLOCK_2_MPTLOCK(mpt); 2557 break; 2558 } 2559 case MPI_EVENT_EVENT_CHANGE: 2560 case MPI_EVENT_INTEGRATED_RAID: 2561 case MPI_EVENT_SAS_DEVICE_STATUS_CHANGE: 2562 case MPI_EVENT_SAS_SES: 2563 break; 2564 default: 2565 mpt_lprt(mpt, MPT_PRT_WARN, "mpt_cam_event: 0x%x\n", 2566 msg->Event & 0xFF); 2567 return (0); 2568 } 2569 return (1); 2570 } 2571 2572 /* 2573 * Reply path for all SCSI I/O requests, called from our 2574 * interrupt handler by extracting our handler index from 2575 * the MsgContext field of the reply from the IOC. 2576 * 2577 * This routine is optimized for the common case of a 2578 * completion without error. All exception handling is 2579 * offloaded to non-inlined helper routines to minimize 2580 * cache footprint. 2581 */ 2582 static int 2583 mpt_scsi_reply_handler(struct mpt_softc *mpt, request_t *req, 2584 uint32_t reply_desc, MSG_DEFAULT_REPLY *reply_frame) 2585 { 2586 MSG_SCSI_IO_REQUEST *scsi_req; 2587 union ccb *ccb; 2588 target_id_t tgt; 2589 2590 if (req->state == REQ_STATE_FREE) { 2591 mpt_prt(mpt, "mpt_scsi_reply_handler: req already free\n"); 2592 return (TRUE); 2593 } 2594 2595 scsi_req = (MSG_SCSI_IO_REQUEST *)req->req_vbuf; 2596 ccb = req->ccb; 2597 if (ccb == NULL) { 2598 mpt_prt(mpt, "mpt_scsi_reply_handler: req %p:%u with no ccb\n", 2599 req, req->serno); 2600 return (TRUE); 2601 } 2602 2603 tgt = scsi_req->TargetID; 2604 mpt_req_untimeout(req, mpt_timeout, ccb); 2605 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 2606 2607 if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) { 2608 bus_dmasync_op_t op; 2609 2610 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) 2611 op = BUS_DMASYNC_POSTREAD; 2612 else 2613 op = BUS_DMASYNC_POSTWRITE; 2614 bus_dmamap_sync(mpt->buffer_dmat, req->dmap, op); 2615 bus_dmamap_unload(mpt->buffer_dmat, req->dmap); 2616 } 2617 2618 if (reply_frame == NULL) { 2619 /* 2620 * Context only reply, completion without error status. 2621 */ 2622 ccb->csio.resid = 0; 2623 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 2624 ccb->csio.scsi_status = SCSI_STATUS_OK; 2625 } else { 2626 mpt_scsi_reply_frame_handler(mpt, req, reply_frame); 2627 } 2628 2629 if (mpt->outofbeer) { 2630 ccb->ccb_h.status |= CAM_RELEASE_SIMQ; 2631 mpt->outofbeer = 0; 2632 mpt_lprt(mpt, MPT_PRT_DEBUG, "THAWQ\n"); 2633 } 2634 if (scsi_req->CDB[0] == INQUIRY && (scsi_req->CDB[1] & SI_EVPD) == 0) { 2635 struct scsi_inquiry_data *iq = 2636 (struct scsi_inquiry_data *)ccb->csio.data_ptr; 2637 if (scsi_req->Function == 2638 MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH) { 2639 /* 2640 * Fake out the device type so that only the 2641 * pass-thru device will attach. 2642 */ 2643 iq->device &= ~0x1F; 2644 iq->device |= T_NODEVICE; 2645 } 2646 } 2647 if (mpt->verbose == MPT_PRT_DEBUG) { 2648 mpt_prt(mpt, "mpt_scsi_reply_handler: %p:%u complete\n", 2649 req, req->serno); 2650 } 2651 KASSERT(ccb->ccb_h.status, ("zero ccb sts at %d\n", __LINE__)); 2652 MPTLOCK_2_CAMLOCK(mpt); 2653 xpt_done(ccb); 2654 CAMLOCK_2_MPTLOCK(mpt); 2655 if ((req->state & REQ_STATE_TIMEDOUT) == 0) { 2656 TAILQ_REMOVE(&mpt->request_pending_list, req, links); 2657 } else { 2658 mpt_prt(mpt, "completing timedout/aborted req %p:%u\n", 2659 req, req->serno); 2660 TAILQ_REMOVE(&mpt->request_timeout_list, req, links); 2661 } 2662 KASSERT((req->state & REQ_STATE_NEED_WAKEUP) == 0, 2663 ("CCB req needed wakeup")); 2664 #ifdef INVARIANTS 2665 mpt_req_not_spcl(mpt, req, "mpt_scsi_reply_handler", __LINE__); 2666 #endif 2667 mpt_free_request(mpt, req); 2668 return (TRUE); 2669 } 2670 2671 static int 2672 mpt_scsi_tmf_reply_handler(struct mpt_softc *mpt, request_t *req, 2673 uint32_t reply_desc, MSG_DEFAULT_REPLY *reply_frame) 2674 { 2675 MSG_SCSI_TASK_MGMT_REPLY *tmf_reply; 2676 2677 KASSERT(req == mpt->tmf_req, ("TMF Reply not using mpt->tmf_req")); 2678 #ifdef INVARIANTS 2679 mpt_req_not_spcl(mpt, req, "mpt_scsi_tmf_reply_handler", __LINE__); 2680 #endif 2681 tmf_reply = (MSG_SCSI_TASK_MGMT_REPLY *)reply_frame; 2682 /* Record IOC Status and Response Code of TMF for any waiters. */ 2683 req->IOCStatus = le16toh(tmf_reply->IOCStatus); 2684 req->ResponseCode = tmf_reply->ResponseCode; 2685 2686 mpt_lprt(mpt, MPT_PRT_DEBUG, "TMF complete: req %p:%u status 0x%x\n", 2687 req, req->serno, le16toh(tmf_reply->IOCStatus)); 2688 TAILQ_REMOVE(&mpt->request_pending_list, req, links); 2689 if ((req->state & REQ_STATE_NEED_WAKEUP) != 0) { 2690 req->state |= REQ_STATE_DONE; 2691 wakeup(req); 2692 } else { 2693 mpt->tmf_req->state = REQ_STATE_FREE; 2694 } 2695 return (TRUE); 2696 } 2697 2698 /* 2699 * XXX: Move to definitions file 2700 */ 2701 #define ELS 0x22 2702 #define FC4LS 0x32 2703 #define ABTS 0x81 2704 #define BA_ACC 0x84 2705 2706 #define LS_RJT 0x01 2707 #define LS_ACC 0x02 2708 #define PLOGI 0x03 2709 #define LOGO 0x05 2710 #define SRR 0x14 2711 #define PRLI 0x20 2712 #define PRLO 0x21 2713 #define ADISC 0x52 2714 #define RSCN 0x61 2715 2716 static void 2717 mpt_fc_els_send_response(struct mpt_softc *mpt, request_t *req, 2718 PTR_MSG_LINK_SERVICE_BUFFER_POST_REPLY rp, U8 length) 2719 { 2720 uint32_t fl; 2721 MSG_LINK_SERVICE_RSP_REQUEST tmp; 2722 PTR_MSG_LINK_SERVICE_RSP_REQUEST rsp; 2723 2724 /* 2725 * We are going to reuse the ELS request to send this response back. 2726 */ 2727 rsp = &tmp; 2728 memset(rsp, 0, sizeof(*rsp)); 2729 2730 #ifdef USE_IMMEDIATE_LINK_DATA 2731 /* 2732 * Apparently the IMMEDIATE stuff doesn't seem to work. 2733 */ 2734 rsp->RspFlags = LINK_SERVICE_RSP_FLAGS_IMMEDIATE; 2735 #endif 2736 rsp->RspLength = length; 2737 rsp->Function = MPI_FUNCTION_FC_LINK_SRVC_RSP; 2738 rsp->MsgContext = htole32(req->index | fc_els_handler_id); 2739 2740 /* 2741 * Copy over information from the original reply frame to 2742 * it's correct place in the response. 2743 */ 2744 memcpy((U8 *)rsp + 0x0c, (U8 *)rp + 0x1c, 24); 2745 2746 /* 2747 * And now copy back the temporary area to the original frame. 2748 */ 2749 memcpy(req->req_vbuf, rsp, sizeof (MSG_LINK_SERVICE_RSP_REQUEST)); 2750 rsp = req->req_vbuf; 2751 2752 #ifdef USE_IMMEDIATE_LINK_DATA 2753 memcpy((U8 *)&rsp->SGL, &((U8 *)req->req_vbuf)[MPT_RQSL(mpt)], length); 2754 #else 2755 { 2756 PTR_SGE_SIMPLE32 se = (PTR_SGE_SIMPLE32) &rsp->SGL; 2757 bus_addr_t paddr = req->req_pbuf; 2758 paddr += MPT_RQSL(mpt); 2759 2760 fl = 2761 MPI_SGE_FLAGS_HOST_TO_IOC | 2762 MPI_SGE_FLAGS_SIMPLE_ELEMENT | 2763 MPI_SGE_FLAGS_LAST_ELEMENT | 2764 MPI_SGE_FLAGS_END_OF_LIST | 2765 MPI_SGE_FLAGS_END_OF_BUFFER; 2766 fl <<= MPI_SGE_FLAGS_SHIFT; 2767 fl |= (length); 2768 se->FlagsLength = htole32(fl); 2769 se->Address = htole32((uint32_t) paddr); 2770 } 2771 #endif 2772 2773 /* 2774 * Send it on... 2775 */ 2776 mpt_send_cmd(mpt, req); 2777 } 2778 2779 static int 2780 mpt_fc_els_reply_handler(struct mpt_softc *mpt, request_t *req, 2781 uint32_t reply_desc, MSG_DEFAULT_REPLY *reply_frame) 2782 { 2783 PTR_MSG_LINK_SERVICE_BUFFER_POST_REPLY rp = 2784 (PTR_MSG_LINK_SERVICE_BUFFER_POST_REPLY) reply_frame; 2785 U8 rctl; 2786 U8 type; 2787 U8 cmd; 2788 U16 status = le16toh(reply_frame->IOCStatus); 2789 U32 *elsbuf; 2790 int ioindex; 2791 int do_refresh = TRUE; 2792 2793 #ifdef INVARIANTS 2794 KASSERT(mpt_req_on_free_list(mpt, req) == 0, 2795 ("fc_els_reply_handler: req %p:%u for function %x on freelist!", 2796 req, req->serno, rp->Function)); 2797 if (rp->Function != MPI_FUNCTION_FC_PRIMITIVE_SEND) { 2798 mpt_req_spcl(mpt, req, "fc_els_reply_handler", __LINE__); 2799 } else { 2800 mpt_req_not_spcl(mpt, req, "fc_els_reply_handler", __LINE__); 2801 } 2802 #endif 2803 mpt_lprt(mpt, MPT_PRT_DEBUG, 2804 "FC_ELS Complete: req %p:%u, reply %p function %x\n", 2805 req, req->serno, reply_frame, reply_frame->Function); 2806 2807 if (status != MPI_IOCSTATUS_SUCCESS) { 2808 mpt_prt(mpt, "ELS REPLY STATUS 0x%x for Function %x\n", 2809 status, reply_frame->Function); 2810 if (status == MPI_IOCSTATUS_INVALID_STATE) { 2811 /* 2812 * XXX: to get around shutdown issue 2813 */ 2814 mpt->disabled = 1; 2815 return (TRUE); 2816 } 2817 return (TRUE); 2818 } 2819 2820 /* 2821 * If the function of a link service response, we recycle the 2822 * response to be a refresh for a new link service request. 2823 * 2824 * The request pointer is bogus in this case and we have to fetch 2825 * it based upon the TransactionContext. 2826 */ 2827 if (rp->Function == MPI_FUNCTION_FC_LINK_SRVC_RSP) { 2828 /* Freddie Uncle Charlie Katie */ 2829 /* We don't get the IOINDEX as part of the Link Svc Rsp */ 2830 for (ioindex = 0; ioindex < mpt->els_cmds_allocated; ioindex++) 2831 if (mpt->els_cmd_ptrs[ioindex] == req) { 2832 break; 2833 } 2834 2835 KASSERT(ioindex < mpt->els_cmds_allocated, 2836 ("can't find my mommie!")); 2837 2838 /* remove from active list as we're going to re-post it */ 2839 TAILQ_REMOVE(&mpt->request_pending_list, req, links); 2840 req->state &= ~REQ_STATE_QUEUED; 2841 req->state |= REQ_STATE_DONE; 2842 mpt_fc_post_els(mpt, req, ioindex); 2843 return (TRUE); 2844 } 2845 2846 if (rp->Function == MPI_FUNCTION_FC_PRIMITIVE_SEND) { 2847 /* remove from active list as we're done */ 2848 TAILQ_REMOVE(&mpt->request_pending_list, req, links); 2849 req->state &= ~REQ_STATE_QUEUED; 2850 req->state |= REQ_STATE_DONE; 2851 if (req->state & REQ_STATE_TIMEDOUT) { 2852 mpt_lprt(mpt, MPT_PRT_DEBUG, 2853 "Sync Primitive Send Completed After Timeout\n"); 2854 mpt_free_request(mpt, req); 2855 } else if ((req->state & REQ_STATE_NEED_WAKEUP) == 0) { 2856 mpt_lprt(mpt, MPT_PRT_DEBUG, 2857 "Async Primitive Send Complete\n"); 2858 mpt_free_request(mpt, req); 2859 } else { 2860 mpt_lprt(mpt, MPT_PRT_DEBUG, 2861 "Sync Primitive Send Complete- Waking Waiter\n"); 2862 wakeup(req); 2863 } 2864 return (TRUE); 2865 } 2866 2867 if (rp->Function != MPI_FUNCTION_FC_LINK_SRVC_BUF_POST) { 2868 mpt_prt(mpt, "unexpected ELS_REPLY: Function 0x%x Flags %x " 2869 "Length %d Message Flags %x\n", rp->Function, rp->Flags, 2870 rp->MsgLength, rp->MsgFlags); 2871 return (TRUE); 2872 } 2873 2874 if (rp->MsgLength <= 5) { 2875 /* 2876 * This is just a ack of an original ELS buffer post 2877 */ 2878 mpt_lprt(mpt, MPT_PRT_DEBUG, 2879 "RECV'd ACK of FC_ELS buf post %p:%u\n", req, req->serno); 2880 return (TRUE); 2881 } 2882 2883 2884 rctl = (le32toh(rp->Rctl_Did) & MPI_FC_RCTL_MASK) >> MPI_FC_RCTL_SHIFT; 2885 type = (le32toh(rp->Type_Fctl) & MPI_FC_TYPE_MASK) >> MPI_FC_TYPE_SHIFT; 2886 2887 elsbuf = &((U32 *)req->req_vbuf)[MPT_RQSL(mpt)/sizeof (U32)]; 2888 cmd = be32toh(elsbuf[0]) >> 24; 2889 2890 if (rp->Flags & MPI_LS_BUF_POST_REPLY_FLAG_NO_RSP_NEEDED) { 2891 mpt_lprt(mpt, MPT_PRT_ALWAYS, "ELS_REPLY: response unneeded\n"); 2892 return (TRUE); 2893 } 2894 2895 ioindex = le32toh(rp->TransactionContext); 2896 req = mpt->els_cmd_ptrs[ioindex]; 2897 2898 if (rctl == ELS && type == 1) { 2899 switch (cmd) { 2900 case PRLI: 2901 /* 2902 * Send back a PRLI ACC 2903 */ 2904 mpt_prt(mpt, "PRLI from 0x%08x%08x\n", 2905 le32toh(rp->Wwn.PortNameHigh), 2906 le32toh(rp->Wwn.PortNameLow)); 2907 elsbuf[0] = htobe32(0x02100014); 2908 elsbuf[1] |= htobe32(0x00000100); 2909 elsbuf[4] = htobe32(0x00000002); 2910 if (mpt->role & MPT_ROLE_TARGET) 2911 elsbuf[4] |= htobe32(0x00000010); 2912 if (mpt->role & MPT_ROLE_INITIATOR) 2913 elsbuf[4] |= htobe32(0x00000020); 2914 /* remove from active list as we're done */ 2915 TAILQ_REMOVE(&mpt->request_pending_list, req, links); 2916 req->state &= ~REQ_STATE_QUEUED; 2917 req->state |= REQ_STATE_DONE; 2918 mpt_fc_els_send_response(mpt, req, rp, 20); 2919 do_refresh = FALSE; 2920 break; 2921 case PRLO: 2922 memset(elsbuf, 0, 5 * (sizeof (U32))); 2923 elsbuf[0] = htobe32(0x02100014); 2924 elsbuf[1] = htobe32(0x08000100); 2925 mpt_prt(mpt, "PRLO from 0x%08x%08x\n", 2926 le32toh(rp->Wwn.PortNameHigh), 2927 le32toh(rp->Wwn.PortNameLow)); 2928 /* remove from active list as we're done */ 2929 TAILQ_REMOVE(&mpt->request_pending_list, req, links); 2930 req->state &= ~REQ_STATE_QUEUED; 2931 req->state |= REQ_STATE_DONE; 2932 mpt_fc_els_send_response(mpt, req, rp, 20); 2933 do_refresh = FALSE; 2934 break; 2935 default: 2936 mpt_prt(mpt, "ELS TYPE 1 COMMAND: %x\n", cmd); 2937 break; 2938 } 2939 } else if (rctl == ABTS && type == 0) { 2940 uint16_t rx_id = le16toh(rp->Rxid); 2941 uint16_t ox_id = le16toh(rp->Oxid); 2942 request_t *tgt_req = NULL; 2943 2944 mpt_prt(mpt, 2945 "ELS: ABTS OX_ID 0x%x RX_ID 0x%x from 0x%08x%08x\n", 2946 ox_id, rx_id, le32toh(rp->Wwn.PortNameHigh), 2947 le32toh(rp->Wwn.PortNameLow)); 2948 if (rx_id >= mpt->mpt_max_tgtcmds) { 2949 mpt_prt(mpt, "Bad RX_ID 0x%x\n", rx_id); 2950 } else if (mpt->tgt_cmd_ptrs == NULL) { 2951 mpt_prt(mpt, "No TGT CMD PTRS\n"); 2952 } else { 2953 tgt_req = mpt->tgt_cmd_ptrs[rx_id]; 2954 } 2955 if (tgt_req) { 2956 mpt_tgt_state_t *tgt = MPT_TGT_STATE(mpt, tgt_req); 2957 uint8_t *vbuf; 2958 union ccb *ccb = tgt->ccb; 2959 uint32_t ct_id; 2960 2961 vbuf = tgt_req->req_vbuf; 2962 vbuf += MPT_RQSL(mpt); 2963 2964 /* 2965 * Check to make sure we have the correct command 2966 * The reply descriptor in the target state should 2967 * should contain an IoIndex that should match the 2968 * RX_ID. 2969 * 2970 * It'd be nice to have OX_ID to crosscheck with 2971 * as well. 2972 */ 2973 ct_id = GET_IO_INDEX(tgt->reply_desc); 2974 2975 if (ct_id != rx_id) { 2976 mpt_lprt(mpt, MPT_PRT_ERROR, "ABORT Mismatch: " 2977 "RX_ID received=0x%x; RX_ID in cmd=0x%x\n", 2978 rx_id, ct_id); 2979 goto skip; 2980 } 2981 2982 ccb = tgt->ccb; 2983 if (ccb) { 2984 mpt_prt(mpt, 2985 "CCB (%p): lun %u flags %x status %x\n", 2986 ccb, ccb->ccb_h.target_lun, 2987 ccb->ccb_h.flags, ccb->ccb_h.status); 2988 } 2989 mpt_prt(mpt, "target state 0x%x resid %u xfrd %u rpwrd " 2990 "%x nxfers %x\n", tgt->state, 2991 tgt->resid, tgt->bytes_xfered, tgt->reply_desc, 2992 tgt->nxfers); 2993 skip: 2994 if (mpt_abort_target_cmd(mpt, tgt_req)) { 2995 mpt_prt(mpt, "unable to start TargetAbort\n"); 2996 } 2997 } else { 2998 mpt_prt(mpt, "no back pointer for RX_ID 0x%x\n", rx_id); 2999 } 3000 memset(elsbuf, 0, 5 * (sizeof (U32))); 3001 elsbuf[0] = htobe32(0); 3002 elsbuf[1] = htobe32((ox_id << 16) | rx_id); 3003 elsbuf[2] = htobe32(0x000ffff); 3004 /* 3005 * Dork with the reply frame so that the reponse to it 3006 * will be correct. 3007 */ 3008 rp->Rctl_Did += ((BA_ACC - ABTS) << MPI_FC_RCTL_SHIFT); 3009 /* remove from active list as we're done */ 3010 TAILQ_REMOVE(&mpt->request_pending_list, req, links); 3011 req->state &= ~REQ_STATE_QUEUED; 3012 req->state |= REQ_STATE_DONE; 3013 mpt_fc_els_send_response(mpt, req, rp, 12); 3014 do_refresh = FALSE; 3015 } else { 3016 mpt_prt(mpt, "ELS: RCTL %x TYPE %x CMD %x\n", rctl, type, cmd); 3017 } 3018 if (do_refresh == TRUE) { 3019 /* remove from active list as we're done */ 3020 TAILQ_REMOVE(&mpt->request_pending_list, req, links); 3021 req->state &= ~REQ_STATE_QUEUED; 3022 req->state |= REQ_STATE_DONE; 3023 mpt_fc_post_els(mpt, req, ioindex); 3024 } 3025 return (TRUE); 3026 } 3027 3028 /* 3029 * Clean up all SCSI Initiator personality state in response 3030 * to a controller reset. 3031 */ 3032 static void 3033 mpt_cam_ioc_reset(struct mpt_softc *mpt, int type) 3034 { 3035 /* 3036 * The pending list is already run down by 3037 * the generic handler. Perform the same 3038 * operation on the timed out request list. 3039 */ 3040 mpt_complete_request_chain(mpt, &mpt->request_timeout_list, 3041 MPI_IOCSTATUS_INVALID_STATE); 3042 3043 /* 3044 * XXX: We need to repost ELS and Target Command Buffers? 3045 */ 3046 3047 /* 3048 * Inform the XPT that a bus reset has occurred. 3049 */ 3050 xpt_async(AC_BUS_RESET, mpt->path, NULL); 3051 } 3052 3053 /* 3054 * Parse additional completion information in the reply 3055 * frame for SCSI I/O requests. 3056 */ 3057 static int 3058 mpt_scsi_reply_frame_handler(struct mpt_softc *mpt, request_t *req, 3059 MSG_DEFAULT_REPLY *reply_frame) 3060 { 3061 union ccb *ccb; 3062 MSG_SCSI_IO_REPLY *scsi_io_reply; 3063 u_int ioc_status; 3064 u_int sstate; 3065 u_int loginfo; 3066 3067 MPT_DUMP_REPLY_FRAME(mpt, reply_frame); 3068 KASSERT(reply_frame->Function == MPI_FUNCTION_SCSI_IO_REQUEST 3069 || reply_frame->Function == MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH, 3070 ("MPT SCSI I/O Handler called with incorrect reply type")); 3071 KASSERT((reply_frame->MsgFlags & MPI_MSGFLAGS_CONTINUATION_REPLY) == 0, 3072 ("MPT SCSI I/O Handler called with continuation reply")); 3073 3074 scsi_io_reply = (MSG_SCSI_IO_REPLY *)reply_frame; 3075 ioc_status = le16toh(scsi_io_reply->IOCStatus); 3076 loginfo = ioc_status & MPI_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE; 3077 ioc_status &= MPI_IOCSTATUS_MASK; 3078 sstate = scsi_io_reply->SCSIState; 3079 3080 ccb = req->ccb; 3081 ccb->csio.resid = 3082 ccb->csio.dxfer_len - le32toh(scsi_io_reply->TransferCount); 3083 3084 if ((sstate & MPI_SCSI_STATE_AUTOSENSE_VALID) != 0 3085 && (ccb->ccb_h.flags & (CAM_SENSE_PHYS | CAM_SENSE_PTR)) == 0) { 3086 ccb->ccb_h.status |= CAM_AUTOSNS_VALID; 3087 ccb->csio.sense_resid = 3088 ccb->csio.sense_len - scsi_io_reply->SenseCount; 3089 bcopy(req->sense_vbuf, &ccb->csio.sense_data, 3090 min(ccb->csio.sense_len, scsi_io_reply->SenseCount)); 3091 } 3092 3093 if ((sstate & MPI_SCSI_STATE_QUEUE_TAG_REJECTED) != 0) { 3094 /* 3095 * Tag messages rejected, but non-tagged retry 3096 * was successful. 3097 XXXX 3098 mpt_set_tags(mpt, devinfo, MPT_QUEUE_NONE); 3099 */ 3100 } 3101 3102 switch(ioc_status) { 3103 case MPI_IOCSTATUS_SCSI_RESIDUAL_MISMATCH: 3104 /* 3105 * XXX 3106 * Linux driver indicates that a zero 3107 * transfer length with this error code 3108 * indicates a CRC error. 3109 * 3110 * No need to swap the bytes for checking 3111 * against zero. 3112 */ 3113 if (scsi_io_reply->TransferCount == 0) { 3114 mpt_set_ccb_status(ccb, CAM_UNCOR_PARITY); 3115 break; 3116 } 3117 /* FALLTHROUGH */ 3118 case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN: 3119 case MPI_IOCSTATUS_SUCCESS: 3120 case MPI_IOCSTATUS_SCSI_RECOVERED_ERROR: 3121 if ((sstate & MPI_SCSI_STATE_NO_SCSI_STATUS) != 0) { 3122 /* 3123 * Status was never returned for this transaction. 3124 */ 3125 mpt_set_ccb_status(ccb, CAM_UNEXP_BUSFREE); 3126 } else if (scsi_io_reply->SCSIStatus != SCSI_STATUS_OK) { 3127 ccb->csio.scsi_status = scsi_io_reply->SCSIStatus; 3128 mpt_set_ccb_status(ccb, CAM_SCSI_STATUS_ERROR); 3129 if ((sstate & MPI_SCSI_STATE_AUTOSENSE_FAILED) != 0) 3130 mpt_set_ccb_status(ccb, CAM_AUTOSENSE_FAIL); 3131 } else if ((sstate & MPI_SCSI_STATE_RESPONSE_INFO_VALID) != 0) { 3132 3133 /* XXX Handle SPI-Packet and FCP-2 reponse info. */ 3134 mpt_set_ccb_status(ccb, CAM_REQ_CMP_ERR); 3135 } else 3136 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 3137 break; 3138 case MPI_IOCSTATUS_SCSI_DATA_OVERRUN: 3139 mpt_set_ccb_status(ccb, CAM_DATA_RUN_ERR); 3140 break; 3141 case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR: 3142 mpt_set_ccb_status(ccb, CAM_UNCOR_PARITY); 3143 break; 3144 case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE: 3145 /* 3146 * Since selection timeouts and "device really not 3147 * there" are grouped into this error code, report 3148 * selection timeout. Selection timeouts are 3149 * typically retried before giving up on the device 3150 * whereas "device not there" errors are considered 3151 * unretryable. 3152 */ 3153 mpt_set_ccb_status(ccb, CAM_SEL_TIMEOUT); 3154 break; 3155 case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR: 3156 mpt_set_ccb_status(ccb, CAM_SEQUENCE_FAIL); 3157 break; 3158 case MPI_IOCSTATUS_SCSI_INVALID_BUS: 3159 mpt_set_ccb_status(ccb, CAM_PATH_INVALID); 3160 break; 3161 case MPI_IOCSTATUS_SCSI_INVALID_TARGETID: 3162 mpt_set_ccb_status(ccb, CAM_TID_INVALID); 3163 break; 3164 case MPI_IOCSTATUS_SCSI_TASK_MGMT_FAILED: 3165 ccb->ccb_h.status = CAM_UA_TERMIO; 3166 break; 3167 case MPI_IOCSTATUS_INVALID_STATE: 3168 /* 3169 * The IOC has been reset. Emulate a bus reset. 3170 */ 3171 /* FALLTHROUGH */ 3172 case MPI_IOCSTATUS_SCSI_EXT_TERMINATED: 3173 ccb->ccb_h.status = CAM_SCSI_BUS_RESET; 3174 break; 3175 case MPI_IOCSTATUS_SCSI_TASK_TERMINATED: 3176 case MPI_IOCSTATUS_SCSI_IOC_TERMINATED: 3177 /* 3178 * Don't clobber any timeout status that has 3179 * already been set for this transaction. We 3180 * want the SCSI layer to be able to differentiate 3181 * between the command we aborted due to timeout 3182 * and any innocent bystanders. 3183 */ 3184 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_INPROG) 3185 break; 3186 mpt_set_ccb_status(ccb, CAM_REQ_TERMIO); 3187 break; 3188 3189 case MPI_IOCSTATUS_INSUFFICIENT_RESOURCES: 3190 mpt_set_ccb_status(ccb, CAM_RESRC_UNAVAIL); 3191 break; 3192 case MPI_IOCSTATUS_BUSY: 3193 mpt_set_ccb_status(ccb, CAM_BUSY); 3194 break; 3195 case MPI_IOCSTATUS_INVALID_FUNCTION: 3196 case MPI_IOCSTATUS_INVALID_SGL: 3197 case MPI_IOCSTATUS_INTERNAL_ERROR: 3198 case MPI_IOCSTATUS_INVALID_FIELD: 3199 default: 3200 /* XXX 3201 * Some of the above may need to kick 3202 * of a recovery action!!!! 3203 */ 3204 ccb->ccb_h.status = CAM_UNREC_HBA_ERROR; 3205 break; 3206 } 3207 3208 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 3209 mpt_freeze_ccb(ccb); 3210 } 3211 3212 return (TRUE); 3213 } 3214 3215 static void 3216 mpt_action(struct cam_sim *sim, union ccb *ccb) 3217 { 3218 struct mpt_softc *mpt; 3219 struct ccb_trans_settings *cts; 3220 target_id_t tgt; 3221 lun_id_t lun; 3222 int raid_passthru; 3223 3224 CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE, ("mpt_action\n")); 3225 3226 mpt = (struct mpt_softc *)cam_sim_softc(sim); 3227 raid_passthru = (sim == mpt->phydisk_sim); 3228 MPT_LOCK_ASSERT(mpt); 3229 3230 tgt = ccb->ccb_h.target_id; 3231 lun = ccb->ccb_h.target_lun; 3232 if (raid_passthru && 3233 ccb->ccb_h.func_code != XPT_PATH_INQ && 3234 ccb->ccb_h.func_code != XPT_RESET_BUS && 3235 ccb->ccb_h.func_code != XPT_RESET_DEV) { 3236 CAMLOCK_2_MPTLOCK(mpt); 3237 if (mpt_map_physdisk(mpt, ccb, &tgt) != 0) { 3238 MPTLOCK_2_CAMLOCK(mpt); 3239 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 3240 mpt_set_ccb_status(ccb, CAM_DEV_NOT_THERE); 3241 xpt_done(ccb); 3242 return; 3243 } 3244 MPTLOCK_2_CAMLOCK(mpt); 3245 } 3246 ccb->ccb_h.ccb_mpt_ptr = mpt; 3247 3248 switch (ccb->ccb_h.func_code) { 3249 case XPT_SCSI_IO: /* Execute the requested I/O operation */ 3250 /* 3251 * Do a couple of preliminary checks... 3252 */ 3253 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0) { 3254 if ((ccb->ccb_h.flags & CAM_CDB_PHYS) != 0) { 3255 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 3256 mpt_set_ccb_status(ccb, CAM_REQ_INVALID); 3257 break; 3258 } 3259 } 3260 /* Max supported CDB length is 16 bytes */ 3261 /* XXX Unless we implement the new 32byte message type */ 3262 if (ccb->csio.cdb_len > 3263 sizeof (((PTR_MSG_SCSI_IO_REQUEST)0)->CDB)) { 3264 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 3265 mpt_set_ccb_status(ccb, CAM_REQ_INVALID); 3266 break; 3267 } 3268 #ifdef MPT_TEST_MULTIPATH 3269 if (mpt->failure_id == ccb->ccb_h.target_id) { 3270 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 3271 mpt_set_ccb_status(ccb, CAM_SEL_TIMEOUT); 3272 break; 3273 } 3274 #endif 3275 ccb->csio.scsi_status = SCSI_STATUS_OK; 3276 mpt_start(sim, ccb); 3277 return; 3278 3279 case XPT_RESET_BUS: 3280 if (raid_passthru) { 3281 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 3282 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 3283 break; 3284 } 3285 case XPT_RESET_DEV: 3286 if (ccb->ccb_h.func_code == XPT_RESET_BUS) { 3287 if (bootverbose) { 3288 xpt_print(ccb->ccb_h.path, "reset bus\n"); 3289 } 3290 } else { 3291 xpt_print(ccb->ccb_h.path, "reset device\n"); 3292 } 3293 CAMLOCK_2_MPTLOCK(mpt); 3294 (void) mpt_bus_reset(mpt, tgt, lun, FALSE); 3295 MPTLOCK_2_CAMLOCK(mpt); 3296 3297 /* 3298 * mpt_bus_reset is always successful in that it 3299 * will fall back to a hard reset should a bus 3300 * reset attempt fail. 3301 */ 3302 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 3303 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 3304 break; 3305 3306 case XPT_ABORT: 3307 { 3308 union ccb *accb = ccb->cab.abort_ccb; 3309 CAMLOCK_2_MPTLOCK(mpt); 3310 switch (accb->ccb_h.func_code) { 3311 case XPT_ACCEPT_TARGET_IO: 3312 case XPT_IMMED_NOTIFY: 3313 ccb->ccb_h.status = mpt_abort_target_ccb(mpt, ccb); 3314 break; 3315 case XPT_CONT_TARGET_IO: 3316 mpt_prt(mpt, "cannot abort active CTIOs yet\n"); 3317 ccb->ccb_h.status = CAM_UA_ABORT; 3318 break; 3319 case XPT_SCSI_IO: 3320 ccb->ccb_h.status = CAM_UA_ABORT; 3321 break; 3322 default: 3323 ccb->ccb_h.status = CAM_REQ_INVALID; 3324 break; 3325 } 3326 MPTLOCK_2_CAMLOCK(mpt); 3327 break; 3328 } 3329 3330 #ifdef CAM_NEW_TRAN_CODE 3331 #define IS_CURRENT_SETTINGS(c) ((c)->type == CTS_TYPE_CURRENT_SETTINGS) 3332 #else 3333 #define IS_CURRENT_SETTINGS(c) ((c)->flags & CCB_TRANS_CURRENT_SETTINGS) 3334 #endif 3335 #define DP_DISC_ENABLE 0x1 3336 #define DP_DISC_DISABL 0x2 3337 #define DP_DISC (DP_DISC_ENABLE|DP_DISC_DISABL) 3338 3339 #define DP_TQING_ENABLE 0x4 3340 #define DP_TQING_DISABL 0x8 3341 #define DP_TQING (DP_TQING_ENABLE|DP_TQING_DISABL) 3342 3343 #define DP_WIDE 0x10 3344 #define DP_NARROW 0x20 3345 #define DP_WIDTH (DP_WIDE|DP_NARROW) 3346 3347 #define DP_SYNC 0x40 3348 3349 case XPT_SET_TRAN_SETTINGS: /* Nexus Settings */ 3350 { 3351 #ifdef CAM_NEW_TRAN_CODE 3352 struct ccb_trans_settings_scsi *scsi; 3353 struct ccb_trans_settings_spi *spi; 3354 #endif 3355 uint8_t dval; 3356 u_int period; 3357 u_int offset; 3358 int i, j; 3359 3360 cts = &ccb->cts; 3361 3362 if (mpt->is_fc || mpt->is_sas) { 3363 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 3364 break; 3365 } 3366 3367 #ifdef CAM_NEW_TRAN_CODE 3368 scsi = &cts->proto_specific.scsi; 3369 spi = &cts->xport_specific.spi; 3370 3371 /* 3372 * We can be called just to valid transport and proto versions 3373 */ 3374 if (scsi->valid == 0 && spi->valid == 0) { 3375 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 3376 break; 3377 } 3378 #endif 3379 3380 /* 3381 * Skip attempting settings on RAID volume disks. 3382 * Other devices on the bus get the normal treatment. 3383 */ 3384 if (mpt->phydisk_sim && raid_passthru == 0 && 3385 mpt_is_raid_volume(mpt, tgt) != 0) { 3386 mpt_lprt(mpt, MPT_PRT_NEGOTIATION, 3387 "no transfer settings for RAID vols\n"); 3388 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 3389 break; 3390 } 3391 3392 i = mpt->mpt_port_page2.PortSettings & 3393 MPI_SCSIPORTPAGE2_PORT_MASK_NEGO_MASTER_SETTINGS; 3394 j = mpt->mpt_port_page2.PortFlags & 3395 MPI_SCSIPORTPAGE2_PORT_FLAGS_DV_MASK; 3396 if (i == MPI_SCSIPORTPAGE2_PORT_ALL_MASTER_SETTINGS && 3397 j == MPI_SCSIPORTPAGE2_PORT_FLAGS_OFF_DV) { 3398 mpt_lprt(mpt, MPT_PRT_ALWAYS, 3399 "honoring BIOS transfer negotiations\n"); 3400 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 3401 break; 3402 } 3403 3404 dval = 0; 3405 period = 0; 3406 offset = 0; 3407 3408 #ifndef CAM_NEW_TRAN_CODE 3409 if ((cts->valid & CCB_TRANS_DISC_VALID) != 0) { 3410 dval |= (cts->flags & CCB_TRANS_DISC_ENB) ? 3411 DP_DISC_ENABLE : DP_DISC_DISABL; 3412 } 3413 3414 if ((cts->valid & CCB_TRANS_TQ_VALID) != 0) { 3415 dval |= (cts->flags & CCB_TRANS_TAG_ENB) ? 3416 DP_TQING_ENABLE : DP_TQING_DISABL; 3417 } 3418 3419 if ((cts->valid & CCB_TRANS_BUS_WIDTH_VALID) != 0) { 3420 dval |= cts->bus_width ? DP_WIDE : DP_NARROW; 3421 } 3422 3423 if ((cts->valid & CCB_TRANS_SYNC_RATE_VALID) && 3424 (cts->valid & CCB_TRANS_SYNC_OFFSET_VALID)) { 3425 dval |= DP_SYNC; 3426 period = cts->sync_period; 3427 offset = cts->sync_offset; 3428 } 3429 #else 3430 if ((spi->valid & CTS_SPI_VALID_DISC) != 0) { 3431 dval |= ((spi->flags & CTS_SPI_FLAGS_DISC_ENB) != 0) ? 3432 DP_DISC_ENABLE : DP_DISC_DISABL; 3433 } 3434 3435 if ((scsi->valid & CTS_SCSI_VALID_TQ) != 0) { 3436 dval |= ((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0) ? 3437 DP_TQING_ENABLE : DP_TQING_DISABL; 3438 } 3439 3440 if ((spi->valid & CTS_SPI_VALID_BUS_WIDTH) != 0) { 3441 dval |= (spi->bus_width == MSG_EXT_WDTR_BUS_16_BIT) ? 3442 DP_WIDE : DP_NARROW; 3443 } 3444 3445 if (spi->valid & CTS_SPI_VALID_SYNC_OFFSET) { 3446 dval |= DP_SYNC; 3447 offset = spi->sync_offset; 3448 } else { 3449 PTR_CONFIG_PAGE_SCSI_DEVICE_1 ptr = 3450 &mpt->mpt_dev_page1[tgt]; 3451 offset = ptr->RequestedParameters; 3452 offset &= MPI_SCSIDEVPAGE1_RP_MAX_SYNC_OFFSET_MASK; 3453 offset >>= MPI_SCSIDEVPAGE1_RP_SHIFT_MAX_SYNC_OFFSET; 3454 } 3455 if (spi->valid & CTS_SPI_VALID_SYNC_RATE) { 3456 dval |= DP_SYNC; 3457 period = spi->sync_period; 3458 } else { 3459 PTR_CONFIG_PAGE_SCSI_DEVICE_1 ptr = 3460 &mpt->mpt_dev_page1[tgt]; 3461 period = ptr->RequestedParameters; 3462 period &= MPI_SCSIDEVPAGE1_RP_MIN_SYNC_PERIOD_MASK; 3463 period >>= MPI_SCSIDEVPAGE1_RP_SHIFT_MIN_SYNC_PERIOD; 3464 } 3465 #endif 3466 CAMLOCK_2_MPTLOCK(mpt); 3467 if (dval & DP_DISC_ENABLE) { 3468 mpt->mpt_disc_enable |= (1 << tgt); 3469 } else if (dval & DP_DISC_DISABL) { 3470 mpt->mpt_disc_enable &= ~(1 << tgt); 3471 } 3472 if (dval & DP_TQING_ENABLE) { 3473 mpt->mpt_tag_enable |= (1 << tgt); 3474 } else if (dval & DP_TQING_DISABL) { 3475 mpt->mpt_tag_enable &= ~(1 << tgt); 3476 } 3477 if (dval & DP_WIDTH) { 3478 mpt_setwidth(mpt, tgt, 1); 3479 } 3480 if (dval & DP_SYNC) { 3481 mpt_setsync(mpt, tgt, period, offset); 3482 } 3483 if (dval == 0) { 3484 MPTLOCK_2_CAMLOCK(mpt); 3485 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 3486 break; 3487 } 3488 mpt_lprt(mpt, MPT_PRT_NEGOTIATION, 3489 "set [%d]: 0x%x period 0x%x offset %d\n", 3490 tgt, dval, period, offset); 3491 if (mpt_update_spi_config(mpt, tgt)) { 3492 mpt_set_ccb_status(ccb, CAM_REQ_CMP_ERR); 3493 } else { 3494 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 3495 } 3496 MPTLOCK_2_CAMLOCK(mpt); 3497 break; 3498 } 3499 case XPT_GET_TRAN_SETTINGS: 3500 { 3501 #ifdef CAM_NEW_TRAN_CODE 3502 struct ccb_trans_settings_scsi *scsi; 3503 cts = &ccb->cts; 3504 cts->protocol = PROTO_SCSI; 3505 if (mpt->is_fc) { 3506 struct ccb_trans_settings_fc *fc = 3507 &cts->xport_specific.fc; 3508 cts->protocol_version = SCSI_REV_SPC; 3509 cts->transport = XPORT_FC; 3510 cts->transport_version = 0; 3511 fc->valid = CTS_FC_VALID_SPEED; 3512 fc->bitrate = 100000; 3513 } else if (mpt->is_sas) { 3514 struct ccb_trans_settings_sas *sas = 3515 &cts->xport_specific.sas; 3516 cts->protocol_version = SCSI_REV_SPC2; 3517 cts->transport = XPORT_SAS; 3518 cts->transport_version = 0; 3519 sas->valid = CTS_SAS_VALID_SPEED; 3520 sas->bitrate = 300000; 3521 } else { 3522 cts->protocol_version = SCSI_REV_2; 3523 cts->transport = XPORT_SPI; 3524 cts->transport_version = 2; 3525 if (mpt_get_spi_settings(mpt, cts) != 0) { 3526 mpt_set_ccb_status(ccb, CAM_REQ_CMP_ERR); 3527 break; 3528 } 3529 } 3530 scsi = &cts->proto_specific.scsi; 3531 scsi->valid = CTS_SCSI_VALID_TQ; 3532 scsi->flags = CTS_SCSI_FLAGS_TAG_ENB; 3533 #else 3534 cts = &ccb->cts; 3535 if (mpt->is_fc) { 3536 cts->flags = CCB_TRANS_TAG_ENB | CCB_TRANS_DISC_ENB; 3537 cts->valid = CCB_TRANS_DISC_VALID | CCB_TRANS_TQ_VALID; 3538 cts->bus_width = MSG_EXT_WDTR_BUS_8_BIT; 3539 } else if (mpt->is_sas) { 3540 cts->flags = CCB_TRANS_TAG_ENB | CCB_TRANS_DISC_ENB; 3541 cts->valid = CCB_TRANS_DISC_VALID | CCB_TRANS_TQ_VALID; 3542 cts->bus_width = MSG_EXT_WDTR_BUS_8_BIT; 3543 } else if (mpt_get_spi_settings(mpt, cts) != 0) { 3544 mpt_set_ccb_status(ccb, CAM_REQ_CMP_ERR); 3545 break; 3546 } 3547 #endif 3548 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 3549 break; 3550 } 3551 case XPT_CALC_GEOMETRY: 3552 { 3553 struct ccb_calc_geometry *ccg; 3554 3555 ccg = &ccb->ccg; 3556 if (ccg->block_size == 0) { 3557 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 3558 mpt_set_ccb_status(ccb, CAM_REQ_INVALID); 3559 break; 3560 } 3561 mpt_calc_geometry(ccg, /*extended*/1); 3562 KASSERT(ccb->ccb_h.status, ("zero ccb sts at %d\n", __LINE__)); 3563 break; 3564 } 3565 case XPT_PATH_INQ: /* Path routing inquiry */ 3566 { 3567 struct ccb_pathinq *cpi = &ccb->cpi; 3568 3569 cpi->version_num = 1; 3570 cpi->target_sprt = 0; 3571 cpi->hba_eng_cnt = 0; 3572 cpi->max_target = mpt->port_facts[0].MaxDevices - 1; 3573 /* 3574 * FC cards report MAX_DEVICES of 512, but 3575 * the MSG_SCSI_IO_REQUEST target id field 3576 * is only 8 bits. Until we fix the driver 3577 * to support 'channels' for bus overflow, 3578 * just limit it. 3579 */ 3580 if (cpi->max_target > 255) { 3581 cpi->max_target = 255; 3582 } 3583 3584 /* 3585 * VMware ESX reports > 16 devices and then dies when we probe. 3586 */ 3587 if (mpt->is_spi && cpi->max_target > 15) { 3588 cpi->max_target = 15; 3589 } 3590 cpi->max_lun = 7; 3591 cpi->initiator_id = mpt->mpt_ini_id; 3592 cpi->bus_id = cam_sim_bus(sim); 3593 3594 /* 3595 * The base speed is the speed of the underlying connection. 3596 */ 3597 #ifdef CAM_NEW_TRAN_CODE 3598 cpi->protocol = PROTO_SCSI; 3599 if (mpt->is_fc) { 3600 cpi->hba_misc = PIM_NOBUSRESET; 3601 cpi->base_transfer_speed = 100000; 3602 cpi->hba_inquiry = PI_TAG_ABLE; 3603 cpi->transport = XPORT_FC; 3604 cpi->transport_version = 0; 3605 cpi->protocol_version = SCSI_REV_SPC; 3606 } else if (mpt->is_sas) { 3607 cpi->hba_misc = PIM_NOBUSRESET; 3608 cpi->base_transfer_speed = 300000; 3609 cpi->hba_inquiry = PI_TAG_ABLE; 3610 cpi->transport = XPORT_SAS; 3611 cpi->transport_version = 0; 3612 cpi->protocol_version = SCSI_REV_SPC2; 3613 } else { 3614 cpi->hba_misc = PIM_SEQSCAN; 3615 cpi->base_transfer_speed = 3300; 3616 cpi->hba_inquiry = PI_SDTR_ABLE|PI_TAG_ABLE|PI_WIDE_16; 3617 cpi->transport = XPORT_SPI; 3618 cpi->transport_version = 2; 3619 cpi->protocol_version = SCSI_REV_2; 3620 } 3621 #else 3622 if (mpt->is_fc) { 3623 cpi->hba_misc = PIM_NOBUSRESET; 3624 cpi->base_transfer_speed = 100000; 3625 cpi->hba_inquiry = PI_TAG_ABLE; 3626 } else if (mpt->is_sas) { 3627 cpi->hba_misc = PIM_NOBUSRESET; 3628 cpi->base_transfer_speed = 300000; 3629 cpi->hba_inquiry = PI_TAG_ABLE; 3630 } else { 3631 cpi->hba_misc = PIM_SEQSCAN; 3632 cpi->base_transfer_speed = 3300; 3633 cpi->hba_inquiry = PI_SDTR_ABLE|PI_TAG_ABLE|PI_WIDE_16; 3634 } 3635 #endif 3636 3637 /* 3638 * We give our fake RAID passhtru bus a width that is MaxVolumes 3639 * wide and restrict it to one lun. 3640 */ 3641 if (raid_passthru) { 3642 cpi->max_target = mpt->ioc_page2->MaxPhysDisks - 1; 3643 cpi->initiator_id = cpi->max_target + 1; 3644 cpi->max_lun = 0; 3645 } 3646 3647 if ((mpt->role & MPT_ROLE_INITIATOR) == 0) { 3648 cpi->hba_misc |= PIM_NOINITIATOR; 3649 } 3650 if (mpt->is_fc && (mpt->role & MPT_ROLE_TARGET)) { 3651 cpi->target_sprt = 3652 PIT_PROCESSOR | PIT_DISCONNECT | PIT_TERM_IO; 3653 } else { 3654 cpi->target_sprt = 0; 3655 } 3656 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); 3657 strncpy(cpi->hba_vid, "LSI", HBA_IDLEN); 3658 strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN); 3659 cpi->unit_number = cam_sim_unit(sim); 3660 cpi->ccb_h.status = CAM_REQ_CMP; 3661 break; 3662 } 3663 case XPT_EN_LUN: /* Enable LUN as a target */ 3664 { 3665 int result; 3666 3667 CAMLOCK_2_MPTLOCK(mpt); 3668 if (ccb->cel.enable) 3669 result = mpt_enable_lun(mpt, 3670 ccb->ccb_h.target_id, ccb->ccb_h.target_lun); 3671 else 3672 result = mpt_disable_lun(mpt, 3673 ccb->ccb_h.target_id, ccb->ccb_h.target_lun); 3674 MPTLOCK_2_CAMLOCK(mpt); 3675 if (result == 0) { 3676 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 3677 } else { 3678 mpt_set_ccb_status(ccb, CAM_REQ_CMP_ERR); 3679 } 3680 break; 3681 } 3682 case XPT_NOTIFY_ACK: /* recycle notify ack */ 3683 case XPT_IMMED_NOTIFY: /* Add Immediate Notify Resource */ 3684 case XPT_ACCEPT_TARGET_IO: /* Add Accept Target IO Resource */ 3685 { 3686 tgt_resource_t *trtp; 3687 lun_id_t lun = ccb->ccb_h.target_lun; 3688 ccb->ccb_h.sim_priv.entries[0].field = 0; 3689 ccb->ccb_h.sim_priv.entries[1].ptr = mpt; 3690 ccb->ccb_h.flags = 0; 3691 3692 if (lun == CAM_LUN_WILDCARD) { 3693 if (ccb->ccb_h.target_id != CAM_TARGET_WILDCARD) { 3694 mpt_set_ccb_status(ccb, CAM_REQ_INVALID); 3695 break; 3696 } 3697 trtp = &mpt->trt_wildcard; 3698 } else if (lun >= MPT_MAX_LUNS) { 3699 mpt_set_ccb_status(ccb, CAM_REQ_INVALID); 3700 break; 3701 } else { 3702 trtp = &mpt->trt[lun]; 3703 } 3704 CAMLOCK_2_MPTLOCK(mpt); 3705 if (ccb->ccb_h.func_code == XPT_ACCEPT_TARGET_IO) { 3706 mpt_lprt(mpt, MPT_PRT_DEBUG1, 3707 "Put FREE ATIO %p lun %d\n", ccb, lun); 3708 STAILQ_INSERT_TAIL(&trtp->atios, &ccb->ccb_h, 3709 sim_links.stqe); 3710 } else if (ccb->ccb_h.func_code == XPT_IMMED_NOTIFY) { 3711 mpt_lprt(mpt, MPT_PRT_DEBUG1, 3712 "Put FREE INOT lun %d\n", lun); 3713 STAILQ_INSERT_TAIL(&trtp->inots, &ccb->ccb_h, 3714 sim_links.stqe); 3715 } else { 3716 mpt_lprt(mpt, MPT_PRT_ALWAYS, "Got Notify ACK\n"); 3717 } 3718 mpt_set_ccb_status(ccb, CAM_REQ_INPROG); 3719 MPTLOCK_2_CAMLOCK(mpt); 3720 return; 3721 } 3722 case XPT_CONT_TARGET_IO: 3723 CAMLOCK_2_MPTLOCK(mpt); 3724 mpt_target_start_io(mpt, ccb); 3725 MPTLOCK_2_CAMLOCK(mpt); 3726 return; 3727 3728 default: 3729 ccb->ccb_h.status = CAM_REQ_INVALID; 3730 break; 3731 } 3732 xpt_done(ccb); 3733 } 3734 3735 static int 3736 mpt_get_spi_settings(struct mpt_softc *mpt, struct ccb_trans_settings *cts) 3737 { 3738 #ifdef CAM_NEW_TRAN_CODE 3739 struct ccb_trans_settings_scsi *scsi = &cts->proto_specific.scsi; 3740 struct ccb_trans_settings_spi *spi = &cts->xport_specific.spi; 3741 #endif 3742 target_id_t tgt; 3743 uint32_t dval, pval, oval; 3744 int rv; 3745 3746 if (IS_CURRENT_SETTINGS(cts) == 0) { 3747 tgt = cts->ccb_h.target_id; 3748 } else if (xpt_path_sim(cts->ccb_h.path) == mpt->phydisk_sim) { 3749 if (mpt_map_physdisk(mpt, (union ccb *)cts, &tgt)) { 3750 return (-1); 3751 } 3752 } else { 3753 tgt = cts->ccb_h.target_id; 3754 } 3755 3756 /* 3757 * We aren't looking at Port Page 2 BIOS settings here- 3758 * sometimes these have been known to be bogus XXX. 3759 * 3760 * For user settings, we pick the max from port page 0 3761 * 3762 * For current settings we read the current settings out from 3763 * device page 0 for that target. 3764 */ 3765 if (IS_CURRENT_SETTINGS(cts)) { 3766 CONFIG_PAGE_SCSI_DEVICE_0 tmp; 3767 dval = 0; 3768 3769 CAMLOCK_2_MPTLOCK(mpt); 3770 tmp = mpt->mpt_dev_page0[tgt]; 3771 rv = mpt_read_cur_cfg_page(mpt, tgt, &tmp.Header, 3772 sizeof(tmp), FALSE, 5000); 3773 if (rv) { 3774 MPTLOCK_2_CAMLOCK(mpt); 3775 mpt_prt(mpt, "can't get tgt %d config page 0\n", tgt); 3776 return (rv); 3777 } 3778 MPTLOCK_2_CAMLOCK(mpt); 3779 mpt_lprt(mpt, MPT_PRT_DEBUG, 3780 "mpt_get_spi_settings[%d]: current NP %x Info %x\n", tgt, 3781 tmp.NegotiatedParameters, tmp.Information); 3782 dval |= (tmp.NegotiatedParameters & MPI_SCSIDEVPAGE0_NP_WIDE) ? 3783 DP_WIDE : DP_NARROW; 3784 dval |= (mpt->mpt_disc_enable & (1 << tgt)) ? 3785 DP_DISC_ENABLE : DP_DISC_DISABL; 3786 dval |= (mpt->mpt_tag_enable & (1 << tgt)) ? 3787 DP_TQING_ENABLE : DP_TQING_DISABL; 3788 oval = tmp.NegotiatedParameters; 3789 oval &= MPI_SCSIDEVPAGE0_NP_NEG_SYNC_OFFSET_MASK; 3790 oval >>= MPI_SCSIDEVPAGE0_NP_SHIFT_SYNC_OFFSET; 3791 pval = tmp.NegotiatedParameters; 3792 pval &= MPI_SCSIDEVPAGE0_NP_NEG_SYNC_PERIOD_MASK; 3793 pval >>= MPI_SCSIDEVPAGE0_NP_SHIFT_SYNC_PERIOD; 3794 mpt->mpt_dev_page0[tgt] = tmp; 3795 } else { 3796 dval = DP_WIDE|DP_DISC_ENABLE|DP_TQING_ENABLE|DP_SYNC; 3797 oval = mpt->mpt_port_page0.Capabilities; 3798 oval = MPI_SCSIPORTPAGE0_CAP_GET_MAX_SYNC_OFFSET(oval); 3799 pval = mpt->mpt_port_page0.Capabilities; 3800 pval = MPI_SCSIPORTPAGE0_CAP_GET_MIN_SYNC_PERIOD(pval); 3801 } 3802 3803 #ifndef CAM_NEW_TRAN_CODE 3804 cts->flags &= ~(CCB_TRANS_DISC_ENB|CCB_TRANS_TAG_ENB); 3805 cts->valid = 0; 3806 cts->sync_period = pval; 3807 cts->sync_offset = oval; 3808 cts->valid |= CCB_TRANS_SYNC_RATE_VALID; 3809 cts->valid |= CCB_TRANS_SYNC_OFFSET_VALID; 3810 cts->valid |= CCB_TRANS_BUS_WIDTH_VALID; 3811 if (dval & DP_WIDE) { 3812 cts->bus_width = MSG_EXT_WDTR_BUS_16_BIT; 3813 } else { 3814 cts->bus_width = MSG_EXT_WDTR_BUS_8_BIT; 3815 } 3816 if (cts->ccb_h.target_lun != CAM_LUN_WILDCARD) { 3817 cts->valid |= CCB_TRANS_DISC_VALID | CCB_TRANS_TQ_VALID; 3818 if (dval & DP_DISC_ENABLE) { 3819 cts->flags |= CCB_TRANS_DISC_ENB; 3820 } 3821 if (dval & DP_TQING_ENABLE) { 3822 cts->flags |= CCB_TRANS_TAG_ENB; 3823 } 3824 } 3825 #else 3826 spi->valid = 0; 3827 scsi->valid = 0; 3828 spi->flags = 0; 3829 scsi->flags = 0; 3830 spi->sync_offset = oval; 3831 spi->sync_period = pval; 3832 spi->valid |= CTS_SPI_VALID_SYNC_OFFSET; 3833 spi->valid |= CTS_SPI_VALID_SYNC_RATE; 3834 spi->valid |= CTS_SPI_VALID_BUS_WIDTH; 3835 if (dval & DP_WIDE) { 3836 spi->bus_width = MSG_EXT_WDTR_BUS_16_BIT; 3837 } else { 3838 spi->bus_width = MSG_EXT_WDTR_BUS_8_BIT; 3839 } 3840 if (cts->ccb_h.target_lun != CAM_LUN_WILDCARD) { 3841 scsi->valid = CTS_SCSI_VALID_TQ; 3842 if (dval & DP_TQING_ENABLE) { 3843 scsi->flags |= CTS_SCSI_FLAGS_TAG_ENB; 3844 } 3845 spi->valid |= CTS_SPI_VALID_DISC; 3846 if (dval & DP_DISC_ENABLE) { 3847 spi->flags |= CTS_SPI_FLAGS_DISC_ENB; 3848 } 3849 } 3850 #endif 3851 mpt_lprt(mpt, MPT_PRT_NEGOTIATION, 3852 "mpt_get_spi_settings[%d]: %s flags 0x%x per 0x%x off=%d\n", tgt, 3853 IS_CURRENT_SETTINGS(cts)? "ACTIVE" : "NVRAM ", dval, pval, oval); 3854 return (0); 3855 } 3856 3857 static void 3858 mpt_setwidth(struct mpt_softc *mpt, int tgt, int onoff) 3859 { 3860 PTR_CONFIG_PAGE_SCSI_DEVICE_1 ptr; 3861 3862 ptr = &mpt->mpt_dev_page1[tgt]; 3863 if (onoff) { 3864 ptr->RequestedParameters |= MPI_SCSIDEVPAGE1_RP_WIDE; 3865 } else { 3866 ptr->RequestedParameters &= ~MPI_SCSIDEVPAGE1_RP_WIDE; 3867 } 3868 } 3869 3870 static void 3871 mpt_setsync(struct mpt_softc *mpt, int tgt, int period, int offset) 3872 { 3873 PTR_CONFIG_PAGE_SCSI_DEVICE_1 ptr; 3874 3875 ptr = &mpt->mpt_dev_page1[tgt]; 3876 ptr->RequestedParameters &= ~MPI_SCSIDEVPAGE1_RP_MIN_SYNC_PERIOD_MASK; 3877 ptr->RequestedParameters &= ~MPI_SCSIDEVPAGE1_RP_MAX_SYNC_OFFSET_MASK; 3878 ptr->RequestedParameters &= ~MPI_SCSIDEVPAGE1_RP_DT; 3879 ptr->RequestedParameters &= ~MPI_SCSIDEVPAGE1_RP_QAS; 3880 ptr->RequestedParameters &= ~MPI_SCSIDEVPAGE1_RP_IU; 3881 if (period == 0) { 3882 return; 3883 } 3884 ptr->RequestedParameters |= 3885 period << MPI_SCSIDEVPAGE1_RP_SHIFT_MIN_SYNC_PERIOD; 3886 ptr->RequestedParameters |= 3887 offset << MPI_SCSIDEVPAGE1_RP_SHIFT_MAX_SYNC_OFFSET; 3888 if (period < 0xa) { 3889 ptr->RequestedParameters |= MPI_SCSIDEVPAGE1_RP_DT; 3890 } 3891 if (period < 0x9) { 3892 ptr->RequestedParameters |= MPI_SCSIDEVPAGE1_RP_QAS; 3893 ptr->RequestedParameters |= MPI_SCSIDEVPAGE1_RP_IU; 3894 } 3895 } 3896 3897 static int 3898 mpt_update_spi_config(struct mpt_softc *mpt, int tgt) 3899 { 3900 CONFIG_PAGE_SCSI_DEVICE_1 tmp; 3901 int rv; 3902 3903 mpt_lprt(mpt, MPT_PRT_NEGOTIATION, 3904 "mpt_update_spi_config[%d].page1: Requested Params 0x%08x\n", 3905 tgt, mpt->mpt_dev_page1[tgt].RequestedParameters); 3906 tmp = mpt->mpt_dev_page1[tgt]; 3907 rv = mpt_write_cur_cfg_page(mpt, tgt, 3908 &tmp.Header, sizeof(tmp), FALSE, 5000); 3909 if (rv) { 3910 mpt_prt(mpt, "mpt_update_spi_config: write cur page failed\n"); 3911 return (-1); 3912 } 3913 return (0); 3914 } 3915 3916 static void 3917 mpt_calc_geometry(struct ccb_calc_geometry *ccg, int extended) 3918 { 3919 #if __FreeBSD_version >= 500000 3920 cam_calc_geometry(ccg, extended); 3921 #else 3922 uint32_t size_mb; 3923 uint32_t secs_per_cylinder; 3924 3925 if (ccg->block_size == 0) { 3926 ccg->ccb_h.status = CAM_REQ_INVALID; 3927 return; 3928 } 3929 size_mb = ccg->volume_size / ((1024L * 1024L) / ccg->block_size); 3930 if (size_mb > 1024 && extended) { 3931 ccg->heads = 255; 3932 ccg->secs_per_track = 63; 3933 } else { 3934 ccg->heads = 64; 3935 ccg->secs_per_track = 32; 3936 } 3937 secs_per_cylinder = ccg->heads * ccg->secs_per_track; 3938 ccg->cylinders = ccg->volume_size / secs_per_cylinder; 3939 ccg->ccb_h.status = CAM_REQ_CMP; 3940 #endif 3941 } 3942 3943 /****************************** Timeout Recovery ******************************/ 3944 static int 3945 mpt_spawn_recovery_thread(struct mpt_softc *mpt) 3946 { 3947 int error; 3948 3949 error = mpt_kthread_create(mpt_recovery_thread, mpt, 3950 &mpt->recovery_thread, /*flags*/0, 3951 /*altstack*/0, "mpt_recovery%d", mpt->unit); 3952 return (error); 3953 } 3954 3955 static void 3956 mpt_terminate_recovery_thread(struct mpt_softc *mpt) 3957 { 3958 if (mpt->recovery_thread == NULL) { 3959 return; 3960 } 3961 mpt->shutdwn_recovery = 1; 3962 wakeup(mpt); 3963 /* 3964 * Sleep on a slightly different location 3965 * for this interlock just for added safety. 3966 */ 3967 mpt_sleep(mpt, &mpt->recovery_thread, PUSER, "thtrm", 0); 3968 } 3969 3970 static void 3971 mpt_recovery_thread(void *arg) 3972 { 3973 struct mpt_softc *mpt; 3974 3975 mpt = (struct mpt_softc *)arg; 3976 MPT_LOCK(mpt); 3977 for (;;) { 3978 if (TAILQ_EMPTY(&mpt->request_timeout_list) != 0) { 3979 if (mpt->shutdwn_recovery == 0) { 3980 mpt_sleep(mpt, mpt, PUSER, "idle", 0); 3981 } 3982 } 3983 if (mpt->shutdwn_recovery != 0) { 3984 break; 3985 } 3986 mpt_recover_commands(mpt); 3987 } 3988 mpt->recovery_thread = NULL; 3989 wakeup(&mpt->recovery_thread); 3990 MPT_UNLOCK(mpt); 3991 kproc_exit(0); 3992 } 3993 3994 static int 3995 mpt_scsi_send_tmf(struct mpt_softc *mpt, u_int type, u_int flags, 3996 u_int channel, u_int target, u_int lun, u_int abort_ctx, int sleep_ok) 3997 { 3998 MSG_SCSI_TASK_MGMT *tmf_req; 3999 int error; 4000 4001 /* 4002 * Wait for any current TMF request to complete. 4003 * We're only allowed to issue one TMF at a time. 4004 */ 4005 error = mpt_wait_req(mpt, mpt->tmf_req, REQ_STATE_FREE, REQ_STATE_FREE, 4006 sleep_ok, MPT_TMF_MAX_TIMEOUT); 4007 if (error != 0) { 4008 mpt_reset(mpt, TRUE); 4009 return (ETIMEDOUT); 4010 } 4011 4012 mpt_assign_serno(mpt, mpt->tmf_req); 4013 mpt->tmf_req->state = REQ_STATE_ALLOCATED|REQ_STATE_QUEUED; 4014 4015 tmf_req = (MSG_SCSI_TASK_MGMT *)mpt->tmf_req->req_vbuf; 4016 memset(tmf_req, 0, sizeof(*tmf_req)); 4017 tmf_req->TargetID = target; 4018 tmf_req->Bus = channel; 4019 tmf_req->ChainOffset = 0; 4020 tmf_req->Function = MPI_FUNCTION_SCSI_TASK_MGMT; 4021 tmf_req->Reserved = 0; 4022 tmf_req->TaskType = type; 4023 tmf_req->Reserved1 = 0; 4024 tmf_req->MsgFlags = flags; 4025 tmf_req->MsgContext = 4026 htole32(mpt->tmf_req->index | scsi_tmf_handler_id); 4027 memset(&tmf_req->LUN, 0, 4028 sizeof(tmf_req->LUN) + sizeof(tmf_req->Reserved2)); 4029 if (lun > 256) { 4030 tmf_req->LUN[0] = 0x40 | ((lun >> 8) & 0x3f); 4031 tmf_req->LUN[1] = lun & 0xff; 4032 } else { 4033 tmf_req->LUN[1] = lun; 4034 } 4035 tmf_req->TaskMsgContext = abort_ctx; 4036 4037 mpt_lprt(mpt, MPT_PRT_DEBUG, 4038 "Issuing TMF %p:%u with MsgContext of 0x%x\n", mpt->tmf_req, 4039 mpt->tmf_req->serno, tmf_req->MsgContext); 4040 if (mpt->verbose > MPT_PRT_DEBUG) { 4041 mpt_print_request(tmf_req); 4042 } 4043 4044 KASSERT(mpt_req_on_pending_list(mpt, mpt->tmf_req) == 0, 4045 ("mpt_scsi_send_tmf: tmf_req already on pending list")); 4046 TAILQ_INSERT_HEAD(&mpt->request_pending_list, mpt->tmf_req, links); 4047 error = mpt_send_handshake_cmd(mpt, sizeof(*tmf_req), tmf_req); 4048 if (error != MPT_OK) { 4049 TAILQ_REMOVE(&mpt->request_pending_list, mpt->tmf_req, links); 4050 mpt->tmf_req->state = REQ_STATE_FREE; 4051 mpt_reset(mpt, TRUE); 4052 } 4053 return (error); 4054 } 4055 4056 /* 4057 * When a command times out, it is placed on the requeust_timeout_list 4058 * and we wake our recovery thread. The MPT-Fusion architecture supports 4059 * only a single TMF operation at a time, so we serially abort/bdr, etc, 4060 * the timedout transactions. The next TMF is issued either by the 4061 * completion handler of the current TMF waking our recovery thread, 4062 * or the TMF timeout handler causing a hard reset sequence. 4063 */ 4064 static void 4065 mpt_recover_commands(struct mpt_softc *mpt) 4066 { 4067 request_t *req; 4068 union ccb *ccb; 4069 int error; 4070 4071 if (TAILQ_EMPTY(&mpt->request_timeout_list) != 0) { 4072 /* 4073 * No work to do- leave. 4074 */ 4075 mpt_prt(mpt, "mpt_recover_commands: no requests.\n"); 4076 return; 4077 } 4078 4079 /* 4080 * Flush any commands whose completion coincides with their timeout. 4081 */ 4082 mpt_intr(mpt); 4083 4084 if (TAILQ_EMPTY(&mpt->request_timeout_list) != 0) { 4085 /* 4086 * The timedout commands have already 4087 * completed. This typically means 4088 * that either the timeout value was on 4089 * the hairy edge of what the device 4090 * requires or - more likely - interrupts 4091 * are not happening. 4092 */ 4093 mpt_prt(mpt, "Timedout requests already complete. " 4094 "Interrupts may not be functioning.\n"); 4095 mpt_enable_ints(mpt); 4096 return; 4097 } 4098 4099 /* 4100 * We have no visibility into the current state of the 4101 * controller, so attempt to abort the commands in the 4102 * order they timed-out. For initiator commands, we 4103 * depend on the reply handler pulling requests off 4104 * the timeout list. 4105 */ 4106 while ((req = TAILQ_FIRST(&mpt->request_timeout_list)) != NULL) { 4107 uint16_t status; 4108 uint8_t response; 4109 MSG_REQUEST_HEADER *hdrp = req->req_vbuf; 4110 4111 mpt_prt(mpt, "attempting to abort req %p:%u function %x\n", 4112 req, req->serno, hdrp->Function); 4113 ccb = req->ccb; 4114 if (ccb == NULL) { 4115 mpt_prt(mpt, "null ccb in timed out request. " 4116 "Resetting Controller.\n"); 4117 mpt_reset(mpt, TRUE); 4118 continue; 4119 } 4120 mpt_set_ccb_status(ccb, CAM_CMD_TIMEOUT); 4121 4122 /* 4123 * Check to see if this is not an initiator command and 4124 * deal with it differently if it is. 4125 */ 4126 switch (hdrp->Function) { 4127 case MPI_FUNCTION_SCSI_IO_REQUEST: 4128 case MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH: 4129 break; 4130 default: 4131 /* 4132 * XXX: FIX ME: need to abort target assists... 4133 */ 4134 mpt_prt(mpt, "just putting it back on the pend q\n"); 4135 TAILQ_REMOVE(&mpt->request_timeout_list, req, links); 4136 TAILQ_INSERT_HEAD(&mpt->request_pending_list, req, 4137 links); 4138 continue; 4139 } 4140 4141 error = mpt_scsi_send_tmf(mpt, 4142 MPI_SCSITASKMGMT_TASKTYPE_ABORT_TASK, 4143 0, 0, ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 4144 htole32(req->index | scsi_io_handler_id), TRUE); 4145 4146 if (error != 0) { 4147 /* 4148 * mpt_scsi_send_tmf hard resets on failure, so no 4149 * need to do so here. Our queue should be emptied 4150 * by the hard reset. 4151 */ 4152 continue; 4153 } 4154 4155 error = mpt_wait_req(mpt, mpt->tmf_req, REQ_STATE_DONE, 4156 REQ_STATE_DONE, TRUE, 500); 4157 4158 status = mpt->tmf_req->IOCStatus; 4159 response = mpt->tmf_req->ResponseCode; 4160 mpt->tmf_req->state = REQ_STATE_FREE; 4161 4162 if (error != 0) { 4163 /* 4164 * If we've errored out,, reset the controller. 4165 */ 4166 mpt_prt(mpt, "mpt_recover_commands: abort timed-out. " 4167 "Resetting controller\n"); 4168 mpt_reset(mpt, TRUE); 4169 continue; 4170 } 4171 4172 if ((status & MPI_IOCSTATUS_MASK) != MPI_IOCSTATUS_SUCCESS) { 4173 mpt_prt(mpt, "mpt_recover_commands: IOC Status 0x%x. " 4174 "Resetting controller.\n", status); 4175 mpt_reset(mpt, TRUE); 4176 continue; 4177 } 4178 4179 if (response != MPI_SCSITASKMGMT_RSP_TM_SUCCEEDED && 4180 response != MPI_SCSITASKMGMT_RSP_TM_COMPLETE) { 4181 mpt_prt(mpt, "mpt_recover_commands: TMF Response 0x%x. " 4182 "Resetting controller.\n", response); 4183 mpt_reset(mpt, TRUE); 4184 continue; 4185 } 4186 mpt_prt(mpt, "abort of req %p:%u completed\n", req, req->serno); 4187 } 4188 } 4189 4190 /************************ Target Mode Support ****************************/ 4191 static void 4192 mpt_fc_post_els(struct mpt_softc *mpt, request_t *req, int ioindex) 4193 { 4194 MSG_LINK_SERVICE_BUFFER_POST_REQUEST *fc; 4195 PTR_SGE_TRANSACTION32 tep; 4196 PTR_SGE_SIMPLE32 se; 4197 bus_addr_t paddr; 4198 uint32_t fl; 4199 4200 paddr = req->req_pbuf; 4201 paddr += MPT_RQSL(mpt); 4202 4203 fc = req->req_vbuf; 4204 memset(fc, 0, MPT_REQUEST_AREA); 4205 fc->BufferCount = 1; 4206 fc->Function = MPI_FUNCTION_FC_LINK_SRVC_BUF_POST; 4207 fc->MsgContext = htole32(req->index | fc_els_handler_id); 4208 4209 /* 4210 * Okay, set up ELS buffer pointers. ELS buffer pointers 4211 * consist of a TE SGL element (with details length of zero) 4212 * followe by a SIMPLE SGL element which holds the address 4213 * of the buffer. 4214 */ 4215 4216 tep = (PTR_SGE_TRANSACTION32) &fc->SGL; 4217 4218 tep->ContextSize = 4; 4219 tep->Flags = 0; 4220 tep->TransactionContext[0] = htole32(ioindex); 4221 4222 se = (PTR_SGE_SIMPLE32) &tep->TransactionDetails[0]; 4223 fl = 4224 MPI_SGE_FLAGS_HOST_TO_IOC | 4225 MPI_SGE_FLAGS_SIMPLE_ELEMENT | 4226 MPI_SGE_FLAGS_LAST_ELEMENT | 4227 MPI_SGE_FLAGS_END_OF_LIST | 4228 MPI_SGE_FLAGS_END_OF_BUFFER; 4229 fl <<= MPI_SGE_FLAGS_SHIFT; 4230 fl |= (MPT_NRFM(mpt) - MPT_RQSL(mpt)); 4231 se->FlagsLength = htole32(fl); 4232 se->Address = htole32((uint32_t) paddr); 4233 mpt_lprt(mpt, MPT_PRT_DEBUG, 4234 "add ELS index %d ioindex %d for %p:%u\n", 4235 req->index, ioindex, req, req->serno); 4236 KASSERT(((req->state & REQ_STATE_LOCKED) != 0), 4237 ("mpt_fc_post_els: request not locked")); 4238 mpt_send_cmd(mpt, req); 4239 } 4240 4241 static void 4242 mpt_post_target_command(struct mpt_softc *mpt, request_t *req, int ioindex) 4243 { 4244 PTR_MSG_TARGET_CMD_BUFFER_POST_REQUEST fc; 4245 PTR_CMD_BUFFER_DESCRIPTOR cb; 4246 bus_addr_t paddr; 4247 4248 paddr = req->req_pbuf; 4249 paddr += MPT_RQSL(mpt); 4250 memset(req->req_vbuf, 0, MPT_REQUEST_AREA); 4251 MPT_TGT_STATE(mpt, req)->state = TGT_STATE_LOADING; 4252 4253 fc = req->req_vbuf; 4254 fc->BufferCount = 1; 4255 fc->Function = MPI_FUNCTION_TARGET_CMD_BUFFER_POST; 4256 fc->MsgContext = htole32(req->index | mpt->scsi_tgt_handler_id); 4257 4258 cb = &fc->Buffer[0]; 4259 cb->IoIndex = htole16(ioindex); 4260 cb->u.PhysicalAddress32 = htole32((U32) paddr); 4261 4262 mpt_check_doorbell(mpt); 4263 mpt_send_cmd(mpt, req); 4264 } 4265 4266 static int 4267 mpt_add_els_buffers(struct mpt_softc *mpt) 4268 { 4269 int i; 4270 4271 if (mpt->is_fc == 0) { 4272 return (TRUE); 4273 } 4274 4275 if (mpt->els_cmds_allocated) { 4276 return (TRUE); 4277 } 4278 4279 mpt->els_cmd_ptrs = malloc(MPT_MAX_ELS * sizeof (request_t *), 4280 M_DEVBUF, M_NOWAIT | M_ZERO); 4281 4282 if (mpt->els_cmd_ptrs == NULL) { 4283 return (FALSE); 4284 } 4285 4286 /* 4287 * Feed the chip some ELS buffer resources 4288 */ 4289 for (i = 0; i < MPT_MAX_ELS; i++) { 4290 request_t *req = mpt_get_request(mpt, FALSE); 4291 if (req == NULL) { 4292 break; 4293 } 4294 req->state |= REQ_STATE_LOCKED; 4295 mpt->els_cmd_ptrs[i] = req; 4296 mpt_fc_post_els(mpt, req, i); 4297 } 4298 4299 if (i == 0) { 4300 mpt_prt(mpt, "unable to add ELS buffer resources\n"); 4301 free(mpt->els_cmd_ptrs, M_DEVBUF); 4302 mpt->els_cmd_ptrs = NULL; 4303 return (FALSE); 4304 } 4305 if (i != MPT_MAX_ELS) { 4306 mpt_lprt(mpt, MPT_PRT_INFO, 4307 "only added %d of %d ELS buffers\n", i, MPT_MAX_ELS); 4308 } 4309 mpt->els_cmds_allocated = i; 4310 return(TRUE); 4311 } 4312 4313 static int 4314 mpt_add_target_commands(struct mpt_softc *mpt) 4315 { 4316 int i, max; 4317 4318 if (mpt->tgt_cmd_ptrs) { 4319 return (TRUE); 4320 } 4321 4322 max = MPT_MAX_REQUESTS(mpt) >> 1; 4323 if (max > mpt->mpt_max_tgtcmds) { 4324 max = mpt->mpt_max_tgtcmds; 4325 } 4326 mpt->tgt_cmd_ptrs = 4327 malloc(max * sizeof (request_t *), M_DEVBUF, M_NOWAIT | M_ZERO); 4328 if (mpt->tgt_cmd_ptrs == NULL) { 4329 mpt_prt(mpt, 4330 "mpt_add_target_commands: could not allocate cmd ptrs\n"); 4331 return (FALSE); 4332 } 4333 4334 for (i = 0; i < max; i++) { 4335 request_t *req; 4336 4337 req = mpt_get_request(mpt, FALSE); 4338 if (req == NULL) { 4339 break; 4340 } 4341 req->state |= REQ_STATE_LOCKED; 4342 mpt->tgt_cmd_ptrs[i] = req; 4343 mpt_post_target_command(mpt, req, i); 4344 } 4345 4346 4347 if (i == 0) { 4348 mpt_lprt(mpt, MPT_PRT_ERROR, "could not add any target bufs\n"); 4349 free(mpt->tgt_cmd_ptrs, M_DEVBUF); 4350 mpt->tgt_cmd_ptrs = NULL; 4351 return (FALSE); 4352 } 4353 4354 mpt->tgt_cmds_allocated = i; 4355 4356 if (i < max) { 4357 mpt_lprt(mpt, MPT_PRT_INFO, 4358 "added %d of %d target bufs\n", i, max); 4359 } 4360 return (i); 4361 } 4362 4363 static int 4364 mpt_enable_lun(struct mpt_softc *mpt, target_id_t tgt, lun_id_t lun) 4365 { 4366 if (tgt == CAM_TARGET_WILDCARD && lun == CAM_LUN_WILDCARD) { 4367 mpt->twildcard = 1; 4368 } else if (lun >= MPT_MAX_LUNS) { 4369 return (EINVAL); 4370 } else if (tgt != CAM_TARGET_WILDCARD && tgt != 0) { 4371 return (EINVAL); 4372 } 4373 if (mpt->tenabled == 0) { 4374 if (mpt->is_fc) { 4375 (void) mpt_fc_reset_link(mpt, 0); 4376 } 4377 mpt->tenabled = 1; 4378 } 4379 if (lun == CAM_LUN_WILDCARD) { 4380 mpt->trt_wildcard.enabled = 1; 4381 } else { 4382 mpt->trt[lun].enabled = 1; 4383 } 4384 return (0); 4385 } 4386 4387 static int 4388 mpt_disable_lun(struct mpt_softc *mpt, target_id_t tgt, lun_id_t lun) 4389 { 4390 int i; 4391 if (tgt == CAM_TARGET_WILDCARD && lun == CAM_LUN_WILDCARD) { 4392 mpt->twildcard = 0; 4393 } else if (lun >= MPT_MAX_LUNS) { 4394 return (EINVAL); 4395 } else if (tgt != CAM_TARGET_WILDCARD && tgt != 0) { 4396 return (EINVAL); 4397 } 4398 if (lun == CAM_LUN_WILDCARD) { 4399 mpt->trt_wildcard.enabled = 0; 4400 } else { 4401 mpt->trt[lun].enabled = 0; 4402 } 4403 for (i = 0; i < MPT_MAX_LUNS; i++) { 4404 if (mpt->trt[lun].enabled) { 4405 break; 4406 } 4407 } 4408 if (i == MPT_MAX_LUNS && mpt->twildcard == 0) { 4409 if (mpt->is_fc) { 4410 (void) mpt_fc_reset_link(mpt, 0); 4411 } 4412 mpt->tenabled = 0; 4413 } 4414 return (0); 4415 } 4416 4417 /* 4418 * Called with MPT lock held 4419 */ 4420 static void 4421 mpt_target_start_io(struct mpt_softc *mpt, union ccb *ccb) 4422 { 4423 struct ccb_scsiio *csio = &ccb->csio; 4424 request_t *cmd_req = MPT_TAG_2_REQ(mpt, csio->tag_id); 4425 mpt_tgt_state_t *tgt = MPT_TGT_STATE(mpt, cmd_req); 4426 4427 switch (tgt->state) { 4428 case TGT_STATE_IN_CAM: 4429 break; 4430 case TGT_STATE_MOVING_DATA: 4431 mpt_set_ccb_status(ccb, CAM_REQUEUE_REQ); 4432 xpt_freeze_simq(mpt->sim, 1); 4433 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 4434 tgt->ccb->ccb_h.status |= CAM_RELEASE_SIMQ; 4435 MPTLOCK_2_CAMLOCK(mpt); 4436 xpt_done(ccb); 4437 CAMLOCK_2_MPTLOCK(mpt); 4438 return; 4439 default: 4440 mpt_prt(mpt, "ccb %p flags 0x%x tag 0x%08x had bad request " 4441 "starting I/O\n", ccb, csio->ccb_h.flags, csio->tag_id); 4442 mpt_tgt_dump_req_state(mpt, cmd_req); 4443 mpt_set_ccb_status(ccb, CAM_REQ_CMP_ERR); 4444 MPTLOCK_2_CAMLOCK(mpt); 4445 xpt_done(ccb); 4446 CAMLOCK_2_MPTLOCK(mpt); 4447 return; 4448 } 4449 4450 if (csio->dxfer_len) { 4451 bus_dmamap_callback_t *cb; 4452 PTR_MSG_TARGET_ASSIST_REQUEST ta; 4453 request_t *req; 4454 4455 KASSERT((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE, 4456 ("dxfer_len %u but direction is NONE\n", csio->dxfer_len)); 4457 4458 if ((req = mpt_get_request(mpt, FALSE)) == NULL) { 4459 if (mpt->outofbeer == 0) { 4460 mpt->outofbeer = 1; 4461 xpt_freeze_simq(mpt->sim, 1); 4462 mpt_lprt(mpt, MPT_PRT_DEBUG, "FREEZEQ\n"); 4463 } 4464 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 4465 mpt_set_ccb_status(ccb, CAM_REQUEUE_REQ); 4466 MPTLOCK_2_CAMLOCK(mpt); 4467 xpt_done(ccb); 4468 CAMLOCK_2_MPTLOCK(mpt); 4469 return; 4470 } 4471 ccb->ccb_h.status = CAM_SIM_QUEUED | CAM_REQ_INPROG; 4472 if (sizeof (bus_addr_t) > 4) { 4473 cb = mpt_execute_req_a64; 4474 } else { 4475 cb = mpt_execute_req; 4476 } 4477 4478 req->ccb = ccb; 4479 ccb->ccb_h.ccb_req_ptr = req; 4480 4481 /* 4482 * Record the currently active ccb and the 4483 * request for it in our target state area. 4484 */ 4485 tgt->ccb = ccb; 4486 tgt->req = req; 4487 4488 memset(req->req_vbuf, 0, MPT_RQSL(mpt)); 4489 ta = req->req_vbuf; 4490 4491 if (mpt->is_sas) { 4492 PTR_MPI_TARGET_SSP_CMD_BUFFER ssp = 4493 cmd_req->req_vbuf; 4494 ta->QueueTag = ssp->InitiatorTag; 4495 } else if (mpt->is_spi) { 4496 PTR_MPI_TARGET_SCSI_SPI_CMD_BUFFER sp = 4497 cmd_req->req_vbuf; 4498 ta->QueueTag = sp->Tag; 4499 } 4500 ta->Function = MPI_FUNCTION_TARGET_ASSIST; 4501 ta->MsgContext = htole32(req->index | mpt->scsi_tgt_handler_id); 4502 ta->ReplyWord = htole32(tgt->reply_desc); 4503 if (csio->ccb_h.target_lun > 256) { 4504 ta->LUN[0] = 4505 0x40 | ((csio->ccb_h.target_lun >> 8) & 0x3f); 4506 ta->LUN[1] = csio->ccb_h.target_lun & 0xff; 4507 } else { 4508 ta->LUN[1] = csio->ccb_h.target_lun; 4509 } 4510 4511 ta->RelativeOffset = tgt->bytes_xfered; 4512 ta->DataLength = ccb->csio.dxfer_len; 4513 if (ta->DataLength > tgt->resid) { 4514 ta->DataLength = tgt->resid; 4515 } 4516 4517 /* 4518 * XXX Should be done after data transfer completes? 4519 */ 4520 tgt->resid -= csio->dxfer_len; 4521 tgt->bytes_xfered += csio->dxfer_len; 4522 4523 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 4524 ta->TargetAssistFlags |= 4525 TARGET_ASSIST_FLAGS_DATA_DIRECTION; 4526 } 4527 4528 #ifdef WE_TRUST_AUTO_GOOD_STATUS 4529 if ((ccb->ccb_h.flags & CAM_SEND_STATUS) && 4530 csio->scsi_status == SCSI_STATUS_OK && tgt->resid == 0) { 4531 ta->TargetAssistFlags |= 4532 TARGET_ASSIST_FLAGS_AUTO_STATUS; 4533 } 4534 #endif 4535 tgt->state = TGT_STATE_SETTING_UP_FOR_DATA; 4536 4537 mpt_lprt(mpt, MPT_PRT_DEBUG, 4538 "DATA_CCB %p tag %x %u bytes %u resid flg %x req %p:%u " 4539 "nxtstate=%d\n", csio, csio->tag_id, csio->dxfer_len, 4540 tgt->resid, ccb->ccb_h.flags, req, req->serno, tgt->state); 4541 4542 MPTLOCK_2_CAMLOCK(mpt); 4543 if ((ccb->ccb_h.flags & CAM_SCATTER_VALID) == 0) { 4544 if ((ccb->ccb_h.flags & CAM_DATA_PHYS) == 0) { 4545 int error; 4546 int s = splsoftvm(); 4547 error = bus_dmamap_load(mpt->buffer_dmat, 4548 req->dmap, csio->data_ptr, csio->dxfer_len, 4549 cb, req, 0); 4550 splx(s); 4551 if (error == EINPROGRESS) { 4552 xpt_freeze_simq(mpt->sim, 1); 4553 ccb->ccb_h.status |= CAM_RELEASE_SIMQ; 4554 } 4555 } else { 4556 /* 4557 * We have been given a pointer to single 4558 * physical buffer. 4559 */ 4560 struct bus_dma_segment seg; 4561 seg.ds_addr = (bus_addr_t) 4562 (vm_offset_t)csio->data_ptr; 4563 seg.ds_len = csio->dxfer_len; 4564 (*cb)(req, &seg, 1, 0); 4565 } 4566 } else { 4567 /* 4568 * We have been given a list of addresses. 4569 * This case could be easily supported but they are not 4570 * currently generated by the CAM subsystem so there 4571 * is no point in wasting the time right now. 4572 */ 4573 struct bus_dma_segment *sgs; 4574 if ((ccb->ccb_h.flags & CAM_SG_LIST_PHYS) == 0) { 4575 (*cb)(req, NULL, 0, EFAULT); 4576 } else { 4577 /* Just use the segments provided */ 4578 sgs = (struct bus_dma_segment *)csio->data_ptr; 4579 (*cb)(req, sgs, csio->sglist_cnt, 0); 4580 } 4581 } 4582 CAMLOCK_2_MPTLOCK(mpt); 4583 } else { 4584 uint8_t *sp = NULL, sense[MPT_SENSE_SIZE]; 4585 4586 /* 4587 * XXX: I don't know why this seems to happen, but 4588 * XXX: completing the CCB seems to make things happy. 4589 * XXX: This seems to happen if the initiator requests 4590 * XXX: enough data that we have to do multiple CTIOs. 4591 */ 4592 if ((ccb->ccb_h.flags & CAM_SEND_STATUS) == 0) { 4593 mpt_lprt(mpt, MPT_PRT_DEBUG, 4594 "Meaningless STATUS CCB (%p): flags %x status %x " 4595 "resid %d bytes_xfered %u\n", ccb, ccb->ccb_h.flags, 4596 ccb->ccb_h.status, tgt->resid, tgt->bytes_xfered); 4597 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 4598 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 4599 MPTLOCK_2_CAMLOCK(mpt); 4600 xpt_done(ccb); 4601 CAMLOCK_2_MPTLOCK(mpt); 4602 return; 4603 } 4604 if (ccb->ccb_h.flags & CAM_SEND_SENSE) { 4605 sp = sense; 4606 memcpy(sp, &csio->sense_data, 4607 min(csio->sense_len, MPT_SENSE_SIZE)); 4608 } 4609 mpt_scsi_tgt_status(mpt, ccb, cmd_req, csio->scsi_status, sp); 4610 } 4611 } 4612 4613 static void 4614 mpt_scsi_tgt_local(struct mpt_softc *mpt, request_t *cmd_req, 4615 uint32_t lun, int send, uint8_t *data, size_t length) 4616 { 4617 mpt_tgt_state_t *tgt; 4618 PTR_MSG_TARGET_ASSIST_REQUEST ta; 4619 SGE_SIMPLE32 *se; 4620 uint32_t flags; 4621 uint8_t *dptr; 4622 bus_addr_t pptr; 4623 request_t *req; 4624 4625 /* 4626 * We enter with resid set to the data load for the command. 4627 */ 4628 tgt = MPT_TGT_STATE(mpt, cmd_req); 4629 if (length == 0 || tgt->resid == 0) { 4630 tgt->resid = 0; 4631 mpt_scsi_tgt_status(mpt, NULL, cmd_req, 0, NULL); 4632 return; 4633 } 4634 4635 if ((req = mpt_get_request(mpt, FALSE)) == NULL) { 4636 mpt_prt(mpt, "out of resources- dropping local response\n"); 4637 return; 4638 } 4639 tgt->is_local = 1; 4640 4641 4642 memset(req->req_vbuf, 0, MPT_RQSL(mpt)); 4643 ta = req->req_vbuf; 4644 4645 if (mpt->is_sas) { 4646 PTR_MPI_TARGET_SSP_CMD_BUFFER ssp = cmd_req->req_vbuf; 4647 ta->QueueTag = ssp->InitiatorTag; 4648 } else if (mpt->is_spi) { 4649 PTR_MPI_TARGET_SCSI_SPI_CMD_BUFFER sp = cmd_req->req_vbuf; 4650 ta->QueueTag = sp->Tag; 4651 } 4652 ta->Function = MPI_FUNCTION_TARGET_ASSIST; 4653 ta->MsgContext = htole32(req->index | mpt->scsi_tgt_handler_id); 4654 ta->ReplyWord = htole32(tgt->reply_desc); 4655 if (lun > 256) { 4656 ta->LUN[0] = 0x40 | ((lun >> 8) & 0x3f); 4657 ta->LUN[1] = lun & 0xff; 4658 } else { 4659 ta->LUN[1] = lun; 4660 } 4661 ta->RelativeOffset = 0; 4662 ta->DataLength = length; 4663 4664 dptr = req->req_vbuf; 4665 dptr += MPT_RQSL(mpt); 4666 pptr = req->req_pbuf; 4667 pptr += MPT_RQSL(mpt); 4668 memcpy(dptr, data, min(length, MPT_RQSL(mpt))); 4669 4670 se = (SGE_SIMPLE32 *) &ta->SGL[0]; 4671 memset(se, 0,sizeof (*se)); 4672 4673 flags = MPI_SGE_FLAGS_SIMPLE_ELEMENT; 4674 if (send) { 4675 ta->TargetAssistFlags |= TARGET_ASSIST_FLAGS_DATA_DIRECTION; 4676 flags |= MPI_SGE_FLAGS_HOST_TO_IOC; 4677 } 4678 se->Address = pptr; 4679 MPI_pSGE_SET_LENGTH(se, length); 4680 flags |= MPI_SGE_FLAGS_LAST_ELEMENT; 4681 flags |= MPI_SGE_FLAGS_END_OF_LIST | MPI_SGE_FLAGS_END_OF_BUFFER; 4682 MPI_pSGE_SET_FLAGS(se, flags); 4683 4684 tgt->ccb = NULL; 4685 tgt->req = req; 4686 tgt->resid -= length; 4687 tgt->bytes_xfered = length; 4688 #ifdef WE_TRUST_AUTO_GOOD_STATUS 4689 tgt->state = TGT_STATE_MOVING_DATA_AND_STATUS; 4690 #else 4691 tgt->state = TGT_STATE_MOVING_DATA; 4692 #endif 4693 mpt_send_cmd(mpt, req); 4694 } 4695 4696 /* 4697 * Abort queued up CCBs 4698 */ 4699 static cam_status 4700 mpt_abort_target_ccb(struct mpt_softc *mpt, union ccb *ccb) 4701 { 4702 struct mpt_hdr_stailq *lp; 4703 struct ccb_hdr *srch; 4704 int found = 0; 4705 union ccb *accb = ccb->cab.abort_ccb; 4706 tgt_resource_t *trtp; 4707 4708 mpt_lprt(mpt, MPT_PRT_DEBUG, "aborting ccb %p\n", accb); 4709 4710 if (ccb->ccb_h.target_lun == CAM_LUN_WILDCARD) { 4711 trtp = &mpt->trt_wildcard; 4712 } else { 4713 trtp = &mpt->trt[ccb->ccb_h.target_lun]; 4714 } 4715 4716 if (accb->ccb_h.func_code == XPT_ACCEPT_TARGET_IO) { 4717 lp = &trtp->atios; 4718 } else if (accb->ccb_h.func_code == XPT_IMMED_NOTIFY) { 4719 lp = &trtp->inots; 4720 } else { 4721 return (CAM_REQ_INVALID); 4722 } 4723 4724 STAILQ_FOREACH(srch, lp, sim_links.stqe) { 4725 if (srch == &accb->ccb_h) { 4726 found = 1; 4727 STAILQ_REMOVE(lp, srch, ccb_hdr, sim_links.stqe); 4728 break; 4729 } 4730 } 4731 if (found) { 4732 accb->ccb_h.status = CAM_REQ_ABORTED; 4733 xpt_done(accb); 4734 return (CAM_REQ_CMP); 4735 } 4736 mpt_prt(mpt, "mpt_abort_tgt_ccb: CCB %p not found\n", ccb); 4737 return (CAM_PATH_INVALID); 4738 } 4739 4740 /* 4741 * Ask the MPT to abort the current target command 4742 */ 4743 static int 4744 mpt_abort_target_cmd(struct mpt_softc *mpt, request_t *cmd_req) 4745 { 4746 int error; 4747 request_t *req; 4748 PTR_MSG_TARGET_MODE_ABORT abtp; 4749 4750 req = mpt_get_request(mpt, FALSE); 4751 if (req == NULL) { 4752 return (-1); 4753 } 4754 abtp = req->req_vbuf; 4755 memset(abtp, 0, sizeof (*abtp)); 4756 4757 abtp->MsgContext = htole32(req->index | mpt->scsi_tgt_handler_id); 4758 abtp->AbortType = TARGET_MODE_ABORT_TYPE_EXACT_IO; 4759 abtp->Function = MPI_FUNCTION_TARGET_MODE_ABORT; 4760 abtp->ReplyWord = htole32(MPT_TGT_STATE(mpt, cmd_req)->reply_desc); 4761 error = 0; 4762 if (mpt->is_fc || mpt->is_sas) { 4763 mpt_send_cmd(mpt, req); 4764 } else { 4765 error = mpt_send_handshake_cmd(mpt, sizeof(*req), req); 4766 } 4767 return (error); 4768 } 4769 4770 /* 4771 * WE_TRUST_AUTO_GOOD_STATUS- I've found that setting 4772 * TARGET_STATUS_SEND_FLAGS_AUTO_GOOD_STATUS leads the 4773 * FC929 to set bogus FC_RSP fields (nonzero residuals 4774 * but w/o RESID fields set). This causes QLogic initiators 4775 * to think maybe that a frame was lost. 4776 * 4777 * WE_CAN_USE_AUTO_REPOST- we can't use AUTO_REPOST because 4778 * we use allocated requests to do TARGET_ASSIST and we 4779 * need to know when to release them. 4780 */ 4781 4782 static void 4783 mpt_scsi_tgt_status(struct mpt_softc *mpt, union ccb *ccb, request_t *cmd_req, 4784 uint8_t status, uint8_t const *sense_data) 4785 { 4786 uint8_t *cmd_vbuf; 4787 mpt_tgt_state_t *tgt; 4788 PTR_MSG_TARGET_STATUS_SEND_REQUEST tp; 4789 request_t *req; 4790 bus_addr_t paddr; 4791 int resplen = 0; 4792 uint32_t fl; 4793 4794 cmd_vbuf = cmd_req->req_vbuf; 4795 cmd_vbuf += MPT_RQSL(mpt); 4796 tgt = MPT_TGT_STATE(mpt, cmd_req); 4797 4798 if ((req = mpt_get_request(mpt, FALSE)) == NULL) { 4799 if (mpt->outofbeer == 0) { 4800 mpt->outofbeer = 1; 4801 xpt_freeze_simq(mpt->sim, 1); 4802 mpt_lprt(mpt, MPT_PRT_DEBUG, "FREEZEQ\n"); 4803 } 4804 if (ccb) { 4805 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 4806 mpt_set_ccb_status(ccb, CAM_REQUEUE_REQ); 4807 MPTLOCK_2_CAMLOCK(mpt); 4808 xpt_done(ccb); 4809 CAMLOCK_2_MPTLOCK(mpt); 4810 } else { 4811 mpt_prt(mpt, 4812 "could not allocate status request- dropping\n"); 4813 } 4814 return; 4815 } 4816 req->ccb = ccb; 4817 if (ccb) { 4818 ccb->ccb_h.ccb_mpt_ptr = mpt; 4819 ccb->ccb_h.ccb_req_ptr = req; 4820 } 4821 4822 /* 4823 * Record the currently active ccb, if any, and the 4824 * request for it in our target state area. 4825 */ 4826 tgt->ccb = ccb; 4827 tgt->req = req; 4828 tgt->state = TGT_STATE_SENDING_STATUS; 4829 4830 tp = req->req_vbuf; 4831 paddr = req->req_pbuf; 4832 paddr += MPT_RQSL(mpt); 4833 4834 memset(tp, 0, sizeof (*tp)); 4835 tp->Function = MPI_FUNCTION_TARGET_STATUS_SEND; 4836 if (mpt->is_fc) { 4837 PTR_MPI_TARGET_FCP_CMD_BUFFER fc = 4838 (PTR_MPI_TARGET_FCP_CMD_BUFFER) cmd_vbuf; 4839 uint8_t *sts_vbuf; 4840 uint32_t *rsp; 4841 4842 sts_vbuf = req->req_vbuf; 4843 sts_vbuf += MPT_RQSL(mpt); 4844 rsp = (uint32_t *) sts_vbuf; 4845 memcpy(tp->LUN, fc->FcpLun, sizeof (tp->LUN)); 4846 4847 /* 4848 * The MPI_TARGET_FCP_RSP_BUFFER define is unfortunate. 4849 * It has to be big-endian in memory and is organized 4850 * in 32 bit words, which are much easier to deal with 4851 * as words which are swizzled as needed. 4852 * 4853 * All we're filling here is the FC_RSP payload. 4854 * We may just have the chip synthesize it if 4855 * we have no residual and an OK status. 4856 * 4857 */ 4858 memset(rsp, 0, sizeof (MPI_TARGET_FCP_RSP_BUFFER)); 4859 4860 rsp[2] = status; 4861 if (tgt->resid) { 4862 rsp[2] |= 0x800; /* XXXX NEED MNEMONIC!!!! */ 4863 rsp[3] = htobe32(tgt->resid); 4864 #ifdef WE_TRUST_AUTO_GOOD_STATUS 4865 resplen = sizeof (MPI_TARGET_FCP_RSP_BUFFER); 4866 #endif 4867 } 4868 if (status == SCSI_STATUS_CHECK_COND) { 4869 int i; 4870 4871 rsp[2] |= 0x200; /* XXXX NEED MNEMONIC!!!! */ 4872 rsp[4] = htobe32(MPT_SENSE_SIZE); 4873 if (sense_data) { 4874 memcpy(&rsp[8], sense_data, MPT_SENSE_SIZE); 4875 } else { 4876 mpt_prt(mpt, "mpt_scsi_tgt_status: CHECK CONDI" 4877 "TION but no sense data?\n"); 4878 memset(&rsp, 0, MPT_SENSE_SIZE); 4879 } 4880 for (i = 8; i < (8 + (MPT_SENSE_SIZE >> 2)); i++) { 4881 rsp[i] = htobe32(rsp[i]); 4882 } 4883 #ifdef WE_TRUST_AUTO_GOOD_STATUS 4884 resplen = sizeof (MPI_TARGET_FCP_RSP_BUFFER); 4885 #endif 4886 } 4887 #ifndef WE_TRUST_AUTO_GOOD_STATUS 4888 resplen = sizeof (MPI_TARGET_FCP_RSP_BUFFER); 4889 #endif 4890 rsp[2] = htobe32(rsp[2]); 4891 } else if (mpt->is_sas) { 4892 PTR_MPI_TARGET_SSP_CMD_BUFFER ssp = 4893 (PTR_MPI_TARGET_SSP_CMD_BUFFER) cmd_vbuf; 4894 memcpy(tp->LUN, ssp->LogicalUnitNumber, sizeof (tp->LUN)); 4895 } else { 4896 PTR_MPI_TARGET_SCSI_SPI_CMD_BUFFER sp = 4897 (PTR_MPI_TARGET_SCSI_SPI_CMD_BUFFER) cmd_vbuf; 4898 tp->StatusCode = status; 4899 tp->QueueTag = htole16(sp->Tag); 4900 memcpy(tp->LUN, sp->LogicalUnitNumber, sizeof (tp->LUN)); 4901 } 4902 4903 tp->ReplyWord = htole32(tgt->reply_desc); 4904 tp->MsgContext = htole32(req->index | mpt->scsi_tgt_handler_id); 4905 4906 #ifdef WE_CAN_USE_AUTO_REPOST 4907 tp->MsgFlags = TARGET_STATUS_SEND_FLAGS_REPOST_CMD_BUFFER; 4908 #endif 4909 if (status == SCSI_STATUS_OK && resplen == 0) { 4910 tp->MsgFlags |= TARGET_STATUS_SEND_FLAGS_AUTO_GOOD_STATUS; 4911 } else { 4912 tp->StatusDataSGE.u.Address32 = htole32((uint32_t) paddr); 4913 fl = 4914 MPI_SGE_FLAGS_HOST_TO_IOC | 4915 MPI_SGE_FLAGS_SIMPLE_ELEMENT | 4916 MPI_SGE_FLAGS_LAST_ELEMENT | 4917 MPI_SGE_FLAGS_END_OF_LIST | 4918 MPI_SGE_FLAGS_END_OF_BUFFER; 4919 fl <<= MPI_SGE_FLAGS_SHIFT; 4920 fl |= resplen; 4921 tp->StatusDataSGE.FlagsLength = htole32(fl); 4922 } 4923 4924 mpt_lprt(mpt, MPT_PRT_DEBUG, 4925 "STATUS_CCB %p (wit%s sense) tag %x req %p:%u resid %u\n", 4926 ccb, sense_data?"h" : "hout", ccb? ccb->csio.tag_id : -1, req, 4927 req->serno, tgt->resid); 4928 if (ccb) { 4929 ccb->ccb_h.status = CAM_SIM_QUEUED | CAM_REQ_INPROG; 4930 mpt_req_timeout(req, 60 * hz, mpt_timeout, ccb); 4931 } 4932 mpt_send_cmd(mpt, req); 4933 } 4934 4935 static void 4936 mpt_scsi_tgt_tsk_mgmt(struct mpt_softc *mpt, request_t *req, mpt_task_mgmt_t fc, 4937 tgt_resource_t *trtp, int init_id) 4938 { 4939 struct ccb_immed_notify *inot; 4940 mpt_tgt_state_t *tgt; 4941 4942 tgt = MPT_TGT_STATE(mpt, req); 4943 inot = (struct ccb_immed_notify *) STAILQ_FIRST(&trtp->inots); 4944 if (inot == NULL) { 4945 mpt_lprt(mpt, MPT_PRT_WARN, "no INOTSs- sending back BSY\n"); 4946 mpt_scsi_tgt_status(mpt, NULL, req, SCSI_STATUS_BUSY, NULL); 4947 return; 4948 } 4949 STAILQ_REMOVE_HEAD(&trtp->inots, sim_links.stqe); 4950 mpt_lprt(mpt, MPT_PRT_DEBUG1, 4951 "Get FREE INOT %p lun %d\n", inot, inot->ccb_h.target_lun); 4952 4953 memset(&inot->sense_data, 0, sizeof (inot->sense_data)); 4954 inot->sense_len = 0; 4955 memset(inot->message_args, 0, sizeof (inot->message_args)); 4956 inot->initiator_id = init_id; /* XXX */ 4957 4958 /* 4959 * This is a somewhat grotesque attempt to map from task management 4960 * to old style SCSI messages. God help us all. 4961 */ 4962 switch (fc) { 4963 case MPT_ABORT_TASK_SET: 4964 inot->message_args[0] = MSG_ABORT_TAG; 4965 break; 4966 case MPT_CLEAR_TASK_SET: 4967 inot->message_args[0] = MSG_CLEAR_TASK_SET; 4968 break; 4969 case MPT_TARGET_RESET: 4970 inot->message_args[0] = MSG_TARGET_RESET; 4971 break; 4972 case MPT_CLEAR_ACA: 4973 inot->message_args[0] = MSG_CLEAR_ACA; 4974 break; 4975 case MPT_TERMINATE_TASK: 4976 inot->message_args[0] = MSG_ABORT_TAG; 4977 break; 4978 default: 4979 inot->message_args[0] = MSG_NOOP; 4980 break; 4981 } 4982 tgt->ccb = (union ccb *) inot; 4983 inot->ccb_h.status = CAM_MESSAGE_RECV|CAM_DEV_QFRZN; 4984 MPTLOCK_2_CAMLOCK(mpt); 4985 xpt_done((union ccb *)inot); 4986 CAMLOCK_2_MPTLOCK(mpt); 4987 } 4988 4989 static void 4990 mpt_scsi_tgt_atio(struct mpt_softc *mpt, request_t *req, uint32_t reply_desc) 4991 { 4992 static uint8_t null_iqd[SHORT_INQUIRY_LENGTH] = { 4993 0x7f, 0x00, 0x02, 0x02, 0x20, 0x00, 0x00, 0x32, 4994 'F', 'R', 'E', 'E', 'B', 'S', 'D', ' ', 4995 'L', 'S', 'I', '-', 'L', 'O', 'G', 'I', 4996 'C', ' ', 'N', 'U', 'L', 'D', 'E', 'V', 4997 '0', '0', '0', '1' 4998 }; 4999 struct ccb_accept_tio *atiop; 5000 lun_id_t lun; 5001 int tag_action = 0; 5002 mpt_tgt_state_t *tgt; 5003 tgt_resource_t *trtp = NULL; 5004 U8 *lunptr; 5005 U8 *vbuf; 5006 U16 itag; 5007 U16 ioindex; 5008 mpt_task_mgmt_t fct = MPT_NIL_TMT_VALUE; 5009 uint8_t *cdbp; 5010 5011 /* 5012 * First, DMA sync the received command- 5013 * which is in the *request* * phys area. 5014 * 5015 * XXX: We could optimize this for a range 5016 */ 5017 bus_dmamap_sync(mpt->request_dmat, mpt->request_dmap, 5018 BUS_DMASYNC_POSTREAD); 5019 5020 /* 5021 * Stash info for the current command where we can get at it later. 5022 */ 5023 vbuf = req->req_vbuf; 5024 vbuf += MPT_RQSL(mpt); 5025 5026 /* 5027 * Get our state pointer set up. 5028 */ 5029 tgt = MPT_TGT_STATE(mpt, req); 5030 if (tgt->state != TGT_STATE_LOADED) { 5031 mpt_tgt_dump_req_state(mpt, req); 5032 panic("bad target state in mpt_scsi_tgt_atio"); 5033 } 5034 memset(tgt, 0, sizeof (mpt_tgt_state_t)); 5035 tgt->state = TGT_STATE_IN_CAM; 5036 tgt->reply_desc = reply_desc; 5037 ioindex = GET_IO_INDEX(reply_desc); 5038 if (mpt->verbose >= MPT_PRT_DEBUG) { 5039 mpt_dump_data(mpt, "mpt_scsi_tgt_atio response", vbuf, 5040 max(sizeof (MPI_TARGET_FCP_CMD_BUFFER), 5041 max(sizeof (MPI_TARGET_SSP_CMD_BUFFER), 5042 sizeof (MPI_TARGET_SCSI_SPI_CMD_BUFFER)))); 5043 } 5044 if (mpt->is_fc) { 5045 PTR_MPI_TARGET_FCP_CMD_BUFFER fc; 5046 fc = (PTR_MPI_TARGET_FCP_CMD_BUFFER) vbuf; 5047 if (fc->FcpCntl[2]) { 5048 /* 5049 * Task Management Request 5050 */ 5051 switch (fc->FcpCntl[2]) { 5052 case 0x2: 5053 fct = MPT_ABORT_TASK_SET; 5054 break; 5055 case 0x4: 5056 fct = MPT_CLEAR_TASK_SET; 5057 break; 5058 case 0x20: 5059 fct = MPT_TARGET_RESET; 5060 break; 5061 case 0x40: 5062 fct = MPT_CLEAR_ACA; 5063 break; 5064 case 0x80: 5065 fct = MPT_TERMINATE_TASK; 5066 break; 5067 default: 5068 mpt_prt(mpt, "CORRUPTED TASK MGMT BITS: 0x%x\n", 5069 fc->FcpCntl[2]); 5070 mpt_scsi_tgt_status(mpt, 0, req, 5071 SCSI_STATUS_OK, 0); 5072 return; 5073 } 5074 } else { 5075 switch (fc->FcpCntl[1]) { 5076 case 0: 5077 tag_action = MSG_SIMPLE_Q_TAG; 5078 break; 5079 case 1: 5080 tag_action = MSG_HEAD_OF_Q_TAG; 5081 break; 5082 case 2: 5083 tag_action = MSG_ORDERED_Q_TAG; 5084 break; 5085 default: 5086 /* 5087 * Bah. Ignore Untagged Queing and ACA 5088 */ 5089 tag_action = MSG_SIMPLE_Q_TAG; 5090 break; 5091 } 5092 } 5093 tgt->resid = be32toh(fc->FcpDl); 5094 cdbp = fc->FcpCdb; 5095 lunptr = fc->FcpLun; 5096 itag = be16toh(fc->OptionalOxid); 5097 } else if (mpt->is_sas) { 5098 PTR_MPI_TARGET_SSP_CMD_BUFFER ssp; 5099 ssp = (PTR_MPI_TARGET_SSP_CMD_BUFFER) vbuf; 5100 cdbp = ssp->CDB; 5101 lunptr = ssp->LogicalUnitNumber; 5102 itag = ssp->InitiatorTag; 5103 } else { 5104 PTR_MPI_TARGET_SCSI_SPI_CMD_BUFFER sp; 5105 sp = (PTR_MPI_TARGET_SCSI_SPI_CMD_BUFFER) vbuf; 5106 cdbp = sp->CDB; 5107 lunptr = sp->LogicalUnitNumber; 5108 itag = sp->Tag; 5109 } 5110 5111 /* 5112 * Generate a simple lun 5113 */ 5114 switch (lunptr[0] & 0xc0) { 5115 case 0x40: 5116 lun = ((lunptr[0] & 0x3f) << 8) | lunptr[1]; 5117 break; 5118 case 0: 5119 lun = lunptr[1]; 5120 break; 5121 default: 5122 mpt_lprt(mpt, MPT_PRT_ERROR, "cannot handle this type lun\n"); 5123 lun = 0xffff; 5124 break; 5125 } 5126 5127 /* 5128 * Deal with non-enabled or bad luns here. 5129 */ 5130 if (lun >= MPT_MAX_LUNS || mpt->tenabled == 0 || 5131 mpt->trt[lun].enabled == 0) { 5132 if (mpt->twildcard) { 5133 trtp = &mpt->trt_wildcard; 5134 } else if (fct == MPT_NIL_TMT_VALUE) { 5135 /* 5136 * In this case, we haven't got an upstream listener 5137 * for either a specific lun or wildcard luns. We 5138 * have to make some sensible response. For regular 5139 * inquiry, just return some NOT HERE inquiry data. 5140 * For VPD inquiry, report illegal field in cdb. 5141 * For REQUEST SENSE, just return NO SENSE data. 5142 * REPORT LUNS gets illegal command. 5143 * All other commands get 'no such device'. 5144 */ 5145 uint8_t *sp, cond, buf[MPT_SENSE_SIZE]; 5146 size_t len; 5147 5148 memset(buf, 0, MPT_SENSE_SIZE); 5149 cond = SCSI_STATUS_CHECK_COND; 5150 buf[0] = 0xf0; 5151 buf[2] = 0x5; 5152 buf[7] = 0x8; 5153 sp = buf; 5154 tgt->tag_id = MPT_MAKE_TAGID(mpt, req, ioindex); 5155 5156 switch (cdbp[0]) { 5157 case INQUIRY: 5158 { 5159 if (cdbp[1] != 0) { 5160 buf[12] = 0x26; 5161 buf[13] = 0x01; 5162 break; 5163 } 5164 len = min(tgt->resid, cdbp[4]); 5165 len = min(len, sizeof (null_iqd)); 5166 mpt_lprt(mpt, MPT_PRT_DEBUG, 5167 "local inquiry %ld bytes\n", (long) len); 5168 mpt_scsi_tgt_local(mpt, req, lun, 1, 5169 null_iqd, len); 5170 return; 5171 } 5172 case REQUEST_SENSE: 5173 { 5174 buf[2] = 0x0; 5175 len = min(tgt->resid, cdbp[4]); 5176 len = min(len, sizeof (buf)); 5177 mpt_lprt(mpt, MPT_PRT_DEBUG, 5178 "local reqsense %ld bytes\n", (long) len); 5179 mpt_scsi_tgt_local(mpt, req, lun, 1, 5180 buf, len); 5181 return; 5182 } 5183 case REPORT_LUNS: 5184 mpt_lprt(mpt, MPT_PRT_DEBUG, "REPORT LUNS\n"); 5185 buf[12] = 0x26; 5186 return; 5187 default: 5188 mpt_lprt(mpt, MPT_PRT_DEBUG, 5189 "CMD 0x%x to unmanaged lun %u\n", 5190 cdbp[0], lun); 5191 buf[12] = 0x25; 5192 break; 5193 } 5194 mpt_scsi_tgt_status(mpt, NULL, req, cond, sp); 5195 return; 5196 } 5197 /* otherwise, leave trtp NULL */ 5198 } else { 5199 trtp = &mpt->trt[lun]; 5200 } 5201 5202 /* 5203 * Deal with any task management 5204 */ 5205 if (fct != MPT_NIL_TMT_VALUE) { 5206 if (trtp == NULL) { 5207 mpt_prt(mpt, "task mgmt function %x but no listener\n", 5208 fct); 5209 mpt_scsi_tgt_status(mpt, 0, req, 5210 SCSI_STATUS_OK, 0); 5211 } else { 5212 mpt_scsi_tgt_tsk_mgmt(mpt, req, fct, trtp, 5213 GET_INITIATOR_INDEX(reply_desc)); 5214 } 5215 return; 5216 } 5217 5218 5219 atiop = (struct ccb_accept_tio *) STAILQ_FIRST(&trtp->atios); 5220 if (atiop == NULL) { 5221 mpt_lprt(mpt, MPT_PRT_WARN, 5222 "no ATIOs for lun %u- sending back %s\n", lun, 5223 mpt->tenabled? "QUEUE FULL" : "BUSY"); 5224 mpt_scsi_tgt_status(mpt, NULL, req, 5225 mpt->tenabled? SCSI_STATUS_QUEUE_FULL : SCSI_STATUS_BUSY, 5226 NULL); 5227 return; 5228 } 5229 STAILQ_REMOVE_HEAD(&trtp->atios, sim_links.stqe); 5230 mpt_lprt(mpt, MPT_PRT_DEBUG1, 5231 "Get FREE ATIO %p lun %d\n", atiop, atiop->ccb_h.target_lun); 5232 atiop->ccb_h.ccb_mpt_ptr = mpt; 5233 atiop->ccb_h.status = CAM_CDB_RECVD; 5234 atiop->ccb_h.target_lun = lun; 5235 atiop->sense_len = 0; 5236 atiop->init_id = GET_INITIATOR_INDEX(reply_desc); 5237 atiop->cdb_len = mpt_cdblen(cdbp[0], 16); 5238 memcpy(atiop->cdb_io.cdb_bytes, cdbp, atiop->cdb_len); 5239 5240 /* 5241 * The tag we construct here allows us to find the 5242 * original request that the command came in with. 5243 * 5244 * This way we don't have to depend on anything but the 5245 * tag to find things when CCBs show back up from CAM. 5246 */ 5247 atiop->tag_id = MPT_MAKE_TAGID(mpt, req, ioindex); 5248 tgt->tag_id = atiop->tag_id; 5249 if (tag_action) { 5250 atiop->tag_action = tag_action; 5251 atiop->ccb_h.flags = CAM_TAG_ACTION_VALID; 5252 } 5253 if (mpt->verbose >= MPT_PRT_DEBUG) { 5254 int i; 5255 mpt_prt(mpt, "START_CCB %p for lun %u CDB=<", atiop, 5256 atiop->ccb_h.target_lun); 5257 for (i = 0; i < atiop->cdb_len; i++) { 5258 mpt_prtc(mpt, "%02x%c", cdbp[i] & 0xff, 5259 (i == (atiop->cdb_len - 1))? '>' : ' '); 5260 } 5261 mpt_prtc(mpt, " itag %x tag %x rdesc %x dl=%u\n", 5262 itag, atiop->tag_id, tgt->reply_desc, tgt->resid); 5263 } 5264 5265 MPTLOCK_2_CAMLOCK(mpt); 5266 xpt_done((union ccb *)atiop); 5267 CAMLOCK_2_MPTLOCK(mpt); 5268 } 5269 5270 static void 5271 mpt_tgt_dump_tgt_state(struct mpt_softc *mpt, request_t *req) 5272 { 5273 mpt_tgt_state_t *tgt = MPT_TGT_STATE(mpt, req); 5274 5275 mpt_prt(mpt, "req %p:%u tgt:rdesc 0x%x resid %u xfrd %u ccb %p treq %p " 5276 "nx %d tag 0x%08x state=%d\n", req, req->serno, tgt->reply_desc, 5277 tgt->resid, tgt->bytes_xfered, tgt->ccb, tgt->req, tgt->nxfers, 5278 tgt->tag_id, tgt->state); 5279 } 5280 5281 static void 5282 mpt_tgt_dump_req_state(struct mpt_softc *mpt, request_t *req) 5283 { 5284 mpt_prt(mpt, "req %p:%u index %u (%x) state %x\n", req, req->serno, 5285 req->index, req->index, req->state); 5286 mpt_tgt_dump_tgt_state(mpt, req); 5287 } 5288 5289 static int 5290 mpt_scsi_tgt_reply_handler(struct mpt_softc *mpt, request_t *req, 5291 uint32_t reply_desc, MSG_DEFAULT_REPLY *reply_frame) 5292 { 5293 int dbg; 5294 union ccb *ccb; 5295 U16 status; 5296 5297 if (reply_frame == NULL) { 5298 /* 5299 * Figure out what the state of the command is. 5300 */ 5301 mpt_tgt_state_t *tgt = MPT_TGT_STATE(mpt, req); 5302 5303 #ifdef INVARIANTS 5304 mpt_req_spcl(mpt, req, "turbo scsi_tgt_reply", __LINE__); 5305 if (tgt->req) { 5306 mpt_req_not_spcl(mpt, tgt->req, 5307 "turbo scsi_tgt_reply associated req", __LINE__); 5308 } 5309 #endif 5310 switch(tgt->state) { 5311 case TGT_STATE_LOADED: 5312 /* 5313 * This is a new command starting. 5314 */ 5315 mpt_scsi_tgt_atio(mpt, req, reply_desc); 5316 break; 5317 case TGT_STATE_MOVING_DATA: 5318 { 5319 uint8_t *sp = NULL, sense[MPT_SENSE_SIZE]; 5320 5321 ccb = tgt->ccb; 5322 if (tgt->req == NULL) { 5323 panic("mpt: turbo target reply with null " 5324 "associated request moving data"); 5325 /* NOTREACHED */ 5326 } 5327 if (ccb == NULL) { 5328 if (tgt->is_local == 0) { 5329 panic("mpt: turbo target reply with " 5330 "null associated ccb moving data"); 5331 /* NOTREACHED */ 5332 } 5333 mpt_lprt(mpt, MPT_PRT_DEBUG, 5334 "TARGET_ASSIST local done\n"); 5335 TAILQ_REMOVE(&mpt->request_pending_list, 5336 tgt->req, links); 5337 mpt_free_request(mpt, tgt->req); 5338 tgt->req = NULL; 5339 mpt_scsi_tgt_status(mpt, NULL, req, 5340 0, NULL); 5341 return (TRUE); 5342 } 5343 tgt->ccb = NULL; 5344 tgt->nxfers++; 5345 mpt_req_untimeout(req, mpt_timeout, ccb); 5346 mpt_lprt(mpt, MPT_PRT_DEBUG, 5347 "TARGET_ASSIST %p (req %p:%u) done tag 0x%x\n", 5348 ccb, tgt->req, tgt->req->serno, ccb->csio.tag_id); 5349 /* 5350 * Free the Target Assist Request 5351 */ 5352 KASSERT(tgt->req->ccb == ccb, 5353 ("tgt->req %p:%u tgt->req->ccb %p", tgt->req, 5354 tgt->req->serno, tgt->req->ccb)); 5355 TAILQ_REMOVE(&mpt->request_pending_list, 5356 tgt->req, links); 5357 mpt_free_request(mpt, tgt->req); 5358 tgt->req = NULL; 5359 5360 /* 5361 * Do we need to send status now? That is, are 5362 * we done with all our data transfers? 5363 */ 5364 if ((ccb->ccb_h.flags & CAM_SEND_STATUS) == 0) { 5365 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 5366 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 5367 KASSERT(ccb->ccb_h.status, 5368 ("zero ccb sts at %d\n", __LINE__)); 5369 tgt->state = TGT_STATE_IN_CAM; 5370 if (mpt->outofbeer) { 5371 ccb->ccb_h.status |= CAM_RELEASE_SIMQ; 5372 mpt->outofbeer = 0; 5373 mpt_lprt(mpt, MPT_PRT_DEBUG, "THAWQ\n"); 5374 } 5375 MPTLOCK_2_CAMLOCK(mpt); 5376 xpt_done(ccb); 5377 CAMLOCK_2_MPTLOCK(mpt); 5378 break; 5379 } 5380 /* 5381 * Otherwise, send status (and sense) 5382 */ 5383 if (ccb->ccb_h.flags & CAM_SEND_SENSE) { 5384 sp = sense; 5385 memcpy(sp, &ccb->csio.sense_data, 5386 min(ccb->csio.sense_len, MPT_SENSE_SIZE)); 5387 } 5388 mpt_scsi_tgt_status(mpt, ccb, req, 5389 ccb->csio.scsi_status, sp); 5390 break; 5391 } 5392 case TGT_STATE_SENDING_STATUS: 5393 case TGT_STATE_MOVING_DATA_AND_STATUS: 5394 { 5395 int ioindex; 5396 ccb = tgt->ccb; 5397 5398 if (tgt->req == NULL) { 5399 panic("mpt: turbo target reply with null " 5400 "associated request sending status"); 5401 /* NOTREACHED */ 5402 } 5403 5404 if (ccb) { 5405 tgt->ccb = NULL; 5406 if (tgt->state == 5407 TGT_STATE_MOVING_DATA_AND_STATUS) { 5408 tgt->nxfers++; 5409 } 5410 mpt_req_untimeout(req, mpt_timeout, ccb); 5411 if (ccb->ccb_h.flags & CAM_SEND_SENSE) { 5412 ccb->ccb_h.status |= CAM_SENT_SENSE; 5413 } 5414 mpt_lprt(mpt, MPT_PRT_DEBUG, 5415 "TARGET_STATUS tag %x sts %x flgs %x req " 5416 "%p\n", ccb->csio.tag_id, ccb->ccb_h.status, 5417 ccb->ccb_h.flags, tgt->req); 5418 /* 5419 * Free the Target Send Status Request 5420 */ 5421 KASSERT(tgt->req->ccb == ccb, 5422 ("tgt->req %p:%u tgt->req->ccb %p", 5423 tgt->req, tgt->req->serno, tgt->req->ccb)); 5424 /* 5425 * Notify CAM that we're done 5426 */ 5427 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 5428 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 5429 KASSERT(ccb->ccb_h.status, 5430 ("ZERO ccb sts at %d\n", __LINE__)); 5431 tgt->ccb = NULL; 5432 } else { 5433 mpt_lprt(mpt, MPT_PRT_DEBUG, 5434 "TARGET_STATUS non-CAM for req %p:%u\n", 5435 tgt->req, tgt->req->serno); 5436 } 5437 TAILQ_REMOVE(&mpt->request_pending_list, 5438 tgt->req, links); 5439 mpt_free_request(mpt, tgt->req); 5440 tgt->req = NULL; 5441 5442 /* 5443 * And re-post the Command Buffer. 5444 * This will reset the state. 5445 */ 5446 ioindex = GET_IO_INDEX(reply_desc); 5447 TAILQ_REMOVE(&mpt->request_pending_list, req, links); 5448 tgt->is_local = 0; 5449 mpt_post_target_command(mpt, req, ioindex); 5450 5451 /* 5452 * And post a done for anyone who cares 5453 */ 5454 if (ccb) { 5455 if (mpt->outofbeer) { 5456 ccb->ccb_h.status |= CAM_RELEASE_SIMQ; 5457 mpt->outofbeer = 0; 5458 mpt_lprt(mpt, MPT_PRT_DEBUG, "THAWQ\n"); 5459 } 5460 MPTLOCK_2_CAMLOCK(mpt); 5461 xpt_done(ccb); 5462 CAMLOCK_2_MPTLOCK(mpt); 5463 } 5464 break; 5465 } 5466 case TGT_STATE_NIL: /* XXX This Never Happens XXX */ 5467 tgt->state = TGT_STATE_LOADED; 5468 break; 5469 default: 5470 mpt_prt(mpt, "Unknown Target State 0x%x in Context " 5471 "Reply Function\n", tgt->state); 5472 } 5473 return (TRUE); 5474 } 5475 5476 status = le16toh(reply_frame->IOCStatus); 5477 if (status != MPI_IOCSTATUS_SUCCESS) { 5478 dbg = MPT_PRT_ERROR; 5479 } else { 5480 dbg = MPT_PRT_DEBUG1; 5481 } 5482 5483 mpt_lprt(mpt, dbg, 5484 "SCSI_TGT REPLY: req=%p:%u reply=%p func=%x IOCstatus 0x%x\n", 5485 req, req->serno, reply_frame, reply_frame->Function, status); 5486 5487 switch (reply_frame->Function) { 5488 case MPI_FUNCTION_TARGET_CMD_BUFFER_POST: 5489 { 5490 mpt_tgt_state_t *tgt; 5491 #ifdef INVARIANTS 5492 mpt_req_spcl(mpt, req, "tgt reply BUFFER POST", __LINE__); 5493 #endif 5494 if (status != MPI_IOCSTATUS_SUCCESS) { 5495 /* 5496 * XXX What to do? 5497 */ 5498 break; 5499 } 5500 tgt = MPT_TGT_STATE(mpt, req); 5501 KASSERT(tgt->state == TGT_STATE_LOADING, 5502 ("bad state 0x%x on reply to buffer post\n", tgt->state)); 5503 mpt_assign_serno(mpt, req); 5504 tgt->state = TGT_STATE_LOADED; 5505 break; 5506 } 5507 case MPI_FUNCTION_TARGET_ASSIST: 5508 #ifdef INVARIANTS 5509 mpt_req_not_spcl(mpt, req, "tgt reply TARGET ASSIST", __LINE__); 5510 #endif 5511 mpt_prt(mpt, "target assist completion\n"); 5512 TAILQ_REMOVE(&mpt->request_pending_list, req, links); 5513 mpt_free_request(mpt, req); 5514 break; 5515 case MPI_FUNCTION_TARGET_STATUS_SEND: 5516 #ifdef INVARIANTS 5517 mpt_req_not_spcl(mpt, req, "tgt reply STATUS SEND", __LINE__); 5518 #endif 5519 mpt_prt(mpt, "status send completion\n"); 5520 TAILQ_REMOVE(&mpt->request_pending_list, req, links); 5521 mpt_free_request(mpt, req); 5522 break; 5523 case MPI_FUNCTION_TARGET_MODE_ABORT: 5524 { 5525 PTR_MSG_TARGET_MODE_ABORT_REPLY abtrp = 5526 (PTR_MSG_TARGET_MODE_ABORT_REPLY) reply_frame; 5527 PTR_MSG_TARGET_MODE_ABORT abtp = 5528 (PTR_MSG_TARGET_MODE_ABORT) req->req_vbuf; 5529 uint32_t cc = GET_IO_INDEX(le32toh(abtp->ReplyWord)); 5530 #ifdef INVARIANTS 5531 mpt_req_not_spcl(mpt, req, "tgt reply TMODE ABORT", __LINE__); 5532 #endif 5533 mpt_prt(mpt, "ABORT RX_ID 0x%x Complete; status 0x%x cnt %u\n", 5534 cc, le16toh(abtrp->IOCStatus), le32toh(abtrp->AbortCount)); 5535 TAILQ_REMOVE(&mpt->request_pending_list, req, links); 5536 mpt_free_request(mpt, req); 5537 break; 5538 } 5539 default: 5540 mpt_prt(mpt, "Unknown Target Address Reply Function code: " 5541 "0x%x\n", reply_frame->Function); 5542 break; 5543 } 5544 return (TRUE); 5545 } 5546