1 /*- 2 * FreeBSD/CAM specific routines for LSI '909 FC adapters. 3 * FreeBSD Version. 4 * 5 * SPDX-License-Identifier: BSD-2-Clause AND BSD-3-Clause 6 * 7 * Copyright (c) 2000, 2001 by Greg Ansley 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice immediately at the beginning of the file, without modification, 14 * this list of conditions, and the following disclaimer. 15 * 2. The name of the author may not be used to endorse or promote products 16 * derived from this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR 22 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28 * SUCH DAMAGE. 29 */ 30 /*- 31 * Copyright (c) 2002, 2006 by Matthew Jacob 32 * All rights reserved. 33 * 34 * Redistribution and use in source and binary forms, with or without 35 * modification, are permitted provided that the following conditions are 36 * met: 37 * 1. Redistributions of source code must retain the above copyright 38 * notice, this list of conditions and the following disclaimer. 39 * 2. Redistributions in binary form must reproduce at minimum a disclaimer 40 * substantially similar to the "NO WARRANTY" disclaimer below 41 * ("Disclaimer") and any redistribution must be conditioned upon including 42 * a substantially similar Disclaimer requirement for further binary 43 * redistribution. 44 * 3. Neither the names of the above listed copyright holders nor the names 45 * of any contributors may be used to endorse or promote products derived 46 * from this software without specific prior written permission. 47 * 48 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 49 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 50 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 51 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 52 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 53 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 54 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 55 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 56 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 57 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF THE COPYRIGHT 58 * OWNER OR CONTRIBUTOR IS ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 59 * 60 * Support from Chris Ellsworth in order to make SAS adapters work 61 * is gratefully acknowledged. 62 * 63 * Support from LSI-Logic has also gone a great deal toward making this a 64 * workable subsystem and is gratefully acknowledged. 65 */ 66 /*- 67 * Copyright (c) 2004, Avid Technology, Inc. and its contributors. 68 * Copyright (c) 2005, WHEEL Sp. z o.o. 69 * Copyright (c) 2004, 2005 Justin T. Gibbs 70 * All rights reserved. 71 * 72 * Redistribution and use in source and binary forms, with or without 73 * modification, are permitted provided that the following conditions are 74 * met: 75 * 1. Redistributions of source code must retain the above copyright 76 * notice, this list of conditions and the following disclaimer. 77 * 2. Redistributions in binary form must reproduce at minimum a disclaimer 78 * substantially similar to the "NO WARRANTY" disclaimer below 79 * ("Disclaimer") and any redistribution must be conditioned upon including 80 * a substantially similar Disclaimer requirement for further binary 81 * redistribution. 82 * 3. Neither the names of the above listed copyright holders nor the names 83 * of any contributors may be used to endorse or promote products derived 84 * from this software without specific prior written permission. 85 * 86 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 87 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 88 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 89 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 90 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 91 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 92 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 93 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 94 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 95 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF THE COPYRIGHT 96 * OWNER OR CONTRIBUTOR IS ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 97 */ 98 #include <sys/cdefs.h> 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" 108 109 #include <sys/callout.h> 110 #include <sys/kthread.h> 111 #include <sys/sysctl.h> 112 113 static void mpt_poll(struct cam_sim *); 114 static callout_func_t mpt_timeout; 115 static void mpt_action(struct cam_sim *, union ccb *); 116 static int 117 mpt_get_spi_settings(struct mpt_softc *, struct ccb_trans_settings *); 118 static void mpt_setwidth(struct mpt_softc *, int, int); 119 static void mpt_setsync(struct mpt_softc *, int, int, int); 120 static int mpt_update_spi_config(struct mpt_softc *, int); 121 122 static mpt_reply_handler_t mpt_scsi_reply_handler; 123 static mpt_reply_handler_t mpt_scsi_tmf_reply_handler; 124 static mpt_reply_handler_t mpt_fc_els_reply_handler; 125 static int mpt_scsi_reply_frame_handler(struct mpt_softc *, request_t *, 126 MSG_DEFAULT_REPLY *); 127 static int mpt_bus_reset(struct mpt_softc *, target_id_t, lun_id_t, int); 128 static int mpt_fc_reset_link(struct mpt_softc *, int); 129 130 static int mpt_spawn_recovery_thread(struct mpt_softc *mpt); 131 static void mpt_terminate_recovery_thread(struct mpt_softc *mpt); 132 static void mpt_recovery_thread(void *arg); 133 static void mpt_recover_commands(struct mpt_softc *mpt); 134 135 static int mpt_scsi_send_tmf(struct mpt_softc *, u_int, u_int, u_int, 136 target_id_t, lun_id_t, u_int, int); 137 138 static void mpt_fc_post_els(struct mpt_softc *mpt, request_t *, int); 139 static void mpt_post_target_command(struct mpt_softc *, request_t *, int); 140 static int mpt_add_els_buffers(struct mpt_softc *mpt); 141 static int mpt_add_target_commands(struct mpt_softc *mpt); 142 static int mpt_enable_lun(struct mpt_softc *, target_id_t, lun_id_t); 143 static int mpt_disable_lun(struct mpt_softc *, target_id_t, lun_id_t); 144 static void mpt_target_start_io(struct mpt_softc *, union ccb *); 145 static cam_status mpt_abort_target_ccb(struct mpt_softc *, union ccb *); 146 static int mpt_abort_target_cmd(struct mpt_softc *, request_t *); 147 static void mpt_scsi_tgt_status(struct mpt_softc *, union ccb *, request_t *, 148 uint8_t, uint8_t const *, u_int); 149 static void 150 mpt_scsi_tgt_tsk_mgmt(struct mpt_softc *, request_t *, mpt_task_mgmt_t, 151 tgt_resource_t *, int); 152 static void mpt_tgt_dump_tgt_state(struct mpt_softc *, request_t *); 153 static void mpt_tgt_dump_req_state(struct mpt_softc *, request_t *); 154 static mpt_reply_handler_t mpt_scsi_tgt_reply_handler; 155 static mpt_reply_handler_t mpt_sata_pass_reply_handler; 156 157 static uint32_t scsi_io_handler_id = MPT_HANDLER_ID_NONE; 158 static uint32_t scsi_tmf_handler_id = MPT_HANDLER_ID_NONE; 159 static uint32_t fc_els_handler_id = MPT_HANDLER_ID_NONE; 160 static uint32_t sata_pass_handler_id = MPT_HANDLER_ID_NONE; 161 162 static mpt_probe_handler_t mpt_cam_probe; 163 static mpt_attach_handler_t mpt_cam_attach; 164 static mpt_enable_handler_t mpt_cam_enable; 165 static mpt_ready_handler_t mpt_cam_ready; 166 static mpt_event_handler_t mpt_cam_event; 167 static mpt_reset_handler_t mpt_cam_ioc_reset; 168 static mpt_detach_handler_t mpt_cam_detach; 169 170 static struct mpt_personality mpt_cam_personality = 171 { 172 .name = "mpt_cam", 173 .probe = mpt_cam_probe, 174 .attach = mpt_cam_attach, 175 .enable = mpt_cam_enable, 176 .ready = mpt_cam_ready, 177 .event = mpt_cam_event, 178 .reset = mpt_cam_ioc_reset, 179 .detach = mpt_cam_detach, 180 }; 181 182 DECLARE_MPT_PERSONALITY(mpt_cam, SI_ORDER_SECOND); 183 MODULE_DEPEND(mpt_cam, cam, 1, 1, 1); 184 185 int mpt_enable_sata_wc = -1; 186 TUNABLE_INT("hw.mpt.enable_sata_wc", &mpt_enable_sata_wc); 187 188 static int 189 mpt_cam_probe(struct mpt_softc *mpt) 190 { 191 int role; 192 193 /* 194 * Only attach to nodes that support the initiator or target role 195 * (or want to) or have RAID physical devices that need CAM pass-thru 196 * support. 197 */ 198 if (mpt->do_cfg_role) { 199 role = mpt->cfg_role; 200 } else { 201 role = mpt->role; 202 } 203 if ((role & (MPT_ROLE_TARGET|MPT_ROLE_INITIATOR)) != 0 || 204 (mpt->ioc_page2 != NULL && mpt->ioc_page2->MaxPhysDisks != 0)) { 205 return (0); 206 } 207 return (ENODEV); 208 } 209 210 static int 211 mpt_cam_attach(struct mpt_softc *mpt) 212 { 213 struct cam_devq *devq; 214 mpt_handler_t handler; 215 int maxq; 216 int error; 217 218 MPT_LOCK(mpt); 219 TAILQ_INIT(&mpt->request_timeout_list); 220 maxq = (mpt->ioc_facts.GlobalCredits < MPT_MAX_REQUESTS(mpt))? 221 mpt->ioc_facts.GlobalCredits : MPT_MAX_REQUESTS(mpt); 222 223 handler.reply_handler = mpt_scsi_reply_handler; 224 error = mpt_register_handler(mpt, MPT_HANDLER_REPLY, handler, 225 &scsi_io_handler_id); 226 if (error != 0) { 227 MPT_UNLOCK(mpt); 228 goto cleanup; 229 } 230 231 handler.reply_handler = mpt_scsi_tmf_reply_handler; 232 error = mpt_register_handler(mpt, MPT_HANDLER_REPLY, handler, 233 &scsi_tmf_handler_id); 234 if (error != 0) { 235 MPT_UNLOCK(mpt); 236 goto cleanup; 237 } 238 239 /* 240 * If we're fibre channel and could support target mode, we register 241 * an ELS reply handler and give it resources. 242 */ 243 if (mpt->is_fc && (mpt->role & MPT_ROLE_TARGET) != 0) { 244 handler.reply_handler = mpt_fc_els_reply_handler; 245 error = mpt_register_handler(mpt, MPT_HANDLER_REPLY, handler, 246 &fc_els_handler_id); 247 if (error != 0) { 248 MPT_UNLOCK(mpt); 249 goto cleanup; 250 } 251 if (mpt_add_els_buffers(mpt) == FALSE) { 252 error = ENOMEM; 253 MPT_UNLOCK(mpt); 254 goto cleanup; 255 } 256 maxq -= mpt->els_cmds_allocated; 257 } 258 259 /* 260 * If we support target mode, we register a reply handler for it, 261 * but don't add command resources until we actually enable target 262 * mode. 263 */ 264 if (mpt->is_fc && (mpt->role & MPT_ROLE_TARGET) != 0) { 265 handler.reply_handler = mpt_scsi_tgt_reply_handler; 266 error = mpt_register_handler(mpt, MPT_HANDLER_REPLY, handler, 267 &mpt->scsi_tgt_handler_id); 268 if (error != 0) { 269 MPT_UNLOCK(mpt); 270 goto cleanup; 271 } 272 } 273 274 if (mpt->is_sas) { 275 handler.reply_handler = mpt_sata_pass_reply_handler; 276 error = mpt_register_handler(mpt, MPT_HANDLER_REPLY, handler, 277 &sata_pass_handler_id); 278 if (error != 0) { 279 MPT_UNLOCK(mpt); 280 goto cleanup; 281 } 282 } 283 284 /* 285 * We keep one request reserved for timeout TMF requests. 286 */ 287 mpt->tmf_req = mpt_get_request(mpt, FALSE); 288 if (mpt->tmf_req == NULL) { 289 mpt_prt(mpt, "Unable to allocate dedicated TMF request!\n"); 290 error = ENOMEM; 291 MPT_UNLOCK(mpt); 292 goto cleanup; 293 } 294 295 /* 296 * Mark the request as free even though not on the free list. 297 * There is only one TMF request allowed to be outstanding at 298 * a time and the TMF routines perform their own allocation 299 * tracking using the standard state flags. 300 */ 301 mpt->tmf_req->state = REQ_STATE_FREE; 302 maxq--; 303 304 /* 305 * The rest of this is CAM foo, for which we need to drop our lock 306 */ 307 MPT_UNLOCK(mpt); 308 309 if (mpt_spawn_recovery_thread(mpt) != 0) { 310 mpt_prt(mpt, "Unable to spawn recovery thread!\n"); 311 error = ENOMEM; 312 goto cleanup; 313 } 314 315 /* 316 * Create the device queue for our SIM(s). 317 */ 318 devq = cam_simq_alloc(maxq); 319 if (devq == NULL) { 320 mpt_prt(mpt, "Unable to allocate CAM SIMQ!\n"); 321 error = ENOMEM; 322 goto cleanup; 323 } 324 325 /* 326 * Construct our SIM entry. 327 */ 328 mpt->sim = 329 mpt_sim_alloc(mpt_action, mpt_poll, "mpt", mpt, 1, maxq, devq); 330 if (mpt->sim == NULL) { 331 mpt_prt(mpt, "Unable to allocate CAM SIM!\n"); 332 cam_simq_free(devq); 333 error = ENOMEM; 334 goto cleanup; 335 } 336 337 /* 338 * Register exactly this bus. 339 */ 340 MPT_LOCK(mpt); 341 if (xpt_bus_register(mpt->sim, mpt->dev, 0) != CAM_SUCCESS) { 342 mpt_prt(mpt, "Bus registration Failed!\n"); 343 error = ENOMEM; 344 MPT_UNLOCK(mpt); 345 goto cleanup; 346 } 347 348 if (xpt_create_path(&mpt->path, NULL, cam_sim_path(mpt->sim), 349 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 350 mpt_prt(mpt, "Unable to allocate Path!\n"); 351 error = ENOMEM; 352 MPT_UNLOCK(mpt); 353 goto cleanup; 354 } 355 MPT_UNLOCK(mpt); 356 357 /* 358 * Only register a second bus for RAID physical 359 * devices if the controller supports RAID. 360 */ 361 if (mpt->ioc_page2 == NULL || mpt->ioc_page2->MaxPhysDisks == 0) { 362 return (0); 363 } 364 365 /* 366 * Create a "bus" to export all hidden disks to CAM. 367 */ 368 mpt->phydisk_sim = 369 mpt_sim_alloc(mpt_action, mpt_poll, "mpt", mpt, 1, maxq, devq); 370 if (mpt->phydisk_sim == NULL) { 371 mpt_prt(mpt, "Unable to allocate Physical Disk CAM SIM!\n"); 372 error = ENOMEM; 373 goto cleanup; 374 } 375 376 /* 377 * Register this bus. 378 */ 379 MPT_LOCK(mpt); 380 if (xpt_bus_register(mpt->phydisk_sim, mpt->dev, 1) != 381 CAM_SUCCESS) { 382 mpt_prt(mpt, "Physical Disk Bus registration Failed!\n"); 383 error = ENOMEM; 384 MPT_UNLOCK(mpt); 385 goto cleanup; 386 } 387 388 if (xpt_create_path(&mpt->phydisk_path, NULL, 389 cam_sim_path(mpt->phydisk_sim), 390 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 391 mpt_prt(mpt, "Unable to allocate Physical Disk Path!\n"); 392 error = ENOMEM; 393 MPT_UNLOCK(mpt); 394 goto cleanup; 395 } 396 MPT_UNLOCK(mpt); 397 mpt_lprt(mpt, MPT_PRT_DEBUG, "attached cam\n"); 398 return (0); 399 400 cleanup: 401 mpt_cam_detach(mpt); 402 return (error); 403 } 404 405 /* 406 * Read FC configuration information 407 */ 408 static int 409 mpt_read_config_info_fc(struct mpt_softc *mpt) 410 { 411 struct sysctl_ctx_list *ctx; 412 struct sysctl_oid *tree; 413 char *topology = NULL; 414 int rv; 415 416 rv = mpt_read_cfg_header(mpt, MPI_CONFIG_PAGETYPE_FC_PORT, 0, 417 0, &mpt->mpt_fcport_page0.Header, FALSE, 5000); 418 if (rv) { 419 return (-1); 420 } 421 mpt_lprt(mpt, MPT_PRT_DEBUG, "FC Port Page 0 Header: %x %x %x %x\n", 422 mpt->mpt_fcport_page0.Header.PageVersion, 423 mpt->mpt_fcport_page0.Header.PageLength, 424 mpt->mpt_fcport_page0.Header.PageNumber, 425 mpt->mpt_fcport_page0.Header.PageType); 426 427 rv = mpt_read_cur_cfg_page(mpt, 0, &mpt->mpt_fcport_page0.Header, 428 sizeof(mpt->mpt_fcport_page0), FALSE, 5000); 429 if (rv) { 430 mpt_prt(mpt, "failed to read FC Port Page 0\n"); 431 return (-1); 432 } 433 mpt2host_config_page_fc_port_0(&mpt->mpt_fcport_page0); 434 435 switch (mpt->mpt_fcport_page0.CurrentSpeed) { 436 case MPI_FCPORTPAGE0_CURRENT_SPEED_1GBIT: 437 mpt->mpt_fcport_speed = 1; 438 break; 439 case MPI_FCPORTPAGE0_CURRENT_SPEED_2GBIT: 440 mpt->mpt_fcport_speed = 2; 441 break; 442 case MPI_FCPORTPAGE0_CURRENT_SPEED_10GBIT: 443 mpt->mpt_fcport_speed = 10; 444 break; 445 case MPI_FCPORTPAGE0_CURRENT_SPEED_4GBIT: 446 mpt->mpt_fcport_speed = 4; 447 break; 448 default: 449 mpt->mpt_fcport_speed = 0; 450 break; 451 } 452 453 switch (mpt->mpt_fcport_page0.Flags & 454 MPI_FCPORTPAGE0_FLAGS_ATTACH_TYPE_MASK) { 455 case MPI_FCPORTPAGE0_FLAGS_ATTACH_NO_INIT: 456 mpt->mpt_fcport_speed = 0; 457 topology = "<NO LOOP>"; 458 break; 459 case MPI_FCPORTPAGE0_FLAGS_ATTACH_POINT_TO_POINT: 460 topology = "N-Port"; 461 break; 462 case MPI_FCPORTPAGE0_FLAGS_ATTACH_PRIVATE_LOOP: 463 topology = "NL-Port"; 464 break; 465 case MPI_FCPORTPAGE0_FLAGS_ATTACH_FABRIC_DIRECT: 466 topology = "F-Port"; 467 break; 468 case MPI_FCPORTPAGE0_FLAGS_ATTACH_PUBLIC_LOOP: 469 topology = "FL-Port"; 470 break; 471 default: 472 mpt->mpt_fcport_speed = 0; 473 topology = "?"; 474 break; 475 } 476 477 mpt->scinfo.fc.wwnn = ((uint64_t)mpt->mpt_fcport_page0.WWNN.High << 32) 478 | mpt->mpt_fcport_page0.WWNN.Low; 479 mpt->scinfo.fc.wwpn = ((uint64_t)mpt->mpt_fcport_page0.WWPN.High << 32) 480 | mpt->mpt_fcport_page0.WWPN.Low; 481 mpt->scinfo.fc.portid = mpt->mpt_fcport_page0.PortIdentifier; 482 483 mpt_lprt(mpt, MPT_PRT_INFO, 484 "FC Port Page 0: Topology <%s> WWNN 0x%16jx WWPN 0x%16jx " 485 "Speed %u-Gbit\n", topology, 486 (uintmax_t)mpt->scinfo.fc.wwnn, (uintmax_t)mpt->scinfo.fc.wwpn, 487 mpt->mpt_fcport_speed); 488 MPT_UNLOCK(mpt); 489 ctx = device_get_sysctl_ctx(mpt->dev); 490 tree = device_get_sysctl_tree(mpt->dev); 491 492 SYSCTL_ADD_QUAD(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 493 "wwnn", CTLFLAG_RD, &mpt->scinfo.fc.wwnn, 494 "World Wide Node Name"); 495 496 SYSCTL_ADD_QUAD(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 497 "wwpn", CTLFLAG_RD, &mpt->scinfo.fc.wwpn, 498 "World Wide Port Name"); 499 500 MPT_LOCK(mpt); 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 CONFIG_PAGE_FC_PORT_1 fc; 511 U32 fl; 512 int r, doit = 0; 513 int role; 514 515 r = mpt_read_cfg_header(mpt, MPI_CONFIG_PAGETYPE_FC_PORT, 1, 0, 516 &fc.Header, FALSE, 5000); 517 if (r) { 518 mpt_prt(mpt, "failed to read FC page 1 header\n"); 519 return (mpt_fc_reset_link(mpt, 1)); 520 } 521 522 r = mpt_read_cfg_page(mpt, MPI_CONFIG_ACTION_PAGE_READ_NVRAM, 0, 523 &fc.Header, sizeof (fc), FALSE, 5000); 524 if (r) { 525 mpt_prt(mpt, "failed to read FC page 1\n"); 526 return (mpt_fc_reset_link(mpt, 1)); 527 } 528 mpt2host_config_page_fc_port_1(&fc); 529 530 /* 531 * Check our flags to make sure we support the role we want. 532 */ 533 doit = 0; 534 role = 0; 535 fl = 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 = fl; 590 host2mpt_config_page_fc_port_1(&fc); 591 r = mpt_write_cfg_page(mpt, 592 MPI_CONFIG_ACTION_PAGE_WRITE_NVRAM, 0, &fc.Header, 593 sizeof(fc), FALSE, 5000); 594 if (r != 0) { 595 mpt_prt(mpt, "failed to update NVRAM with changes\n"); 596 return (0); 597 } 598 mpt_prt(mpt, "NOTE: NVRAM changes will not take " 599 "effect until next reboot or IOC reset\n"); 600 } 601 return (0); 602 } 603 604 static int 605 mptsas_sas_io_unit_pg0(struct mpt_softc *mpt, struct mptsas_portinfo *portinfo) 606 { 607 ConfigExtendedPageHeader_t hdr; 608 struct mptsas_phyinfo *phyinfo; 609 SasIOUnitPage0_t *buffer; 610 int error, len, i; 611 612 error = mpt_read_extcfg_header(mpt, MPI_SASIOUNITPAGE0_PAGEVERSION, 613 0, 0, MPI_CONFIG_EXTPAGETYPE_SAS_IO_UNIT, 614 &hdr, 0, 10000); 615 if (error) 616 goto out; 617 if (hdr.ExtPageLength == 0) { 618 error = ENXIO; 619 goto out; 620 } 621 622 len = hdr.ExtPageLength * 4; 623 buffer = malloc(len, M_DEVBUF, M_NOWAIT|M_ZERO); 624 if (buffer == NULL) { 625 error = ENOMEM; 626 goto out; 627 } 628 629 error = mpt_read_extcfg_page(mpt, MPI_CONFIG_ACTION_PAGE_READ_CURRENT, 630 0, &hdr, buffer, len, 0, 10000); 631 if (error) { 632 free(buffer, M_DEVBUF); 633 goto out; 634 } 635 636 portinfo->num_phys = buffer->NumPhys; 637 portinfo->phy_info = malloc(sizeof(*portinfo->phy_info) * 638 portinfo->num_phys, M_DEVBUF, M_NOWAIT|M_ZERO); 639 if (portinfo->phy_info == NULL) { 640 free(buffer, M_DEVBUF); 641 error = ENOMEM; 642 goto out; 643 } 644 645 for (i = 0; i < portinfo->num_phys; i++) { 646 phyinfo = &portinfo->phy_info[i]; 647 phyinfo->phy_num = i; 648 phyinfo->port_id = buffer->PhyData[i].Port; 649 phyinfo->negotiated_link_rate = 650 buffer->PhyData[i].NegotiatedLinkRate; 651 phyinfo->handle = 652 le16toh(buffer->PhyData[i].ControllerDevHandle); 653 } 654 655 free(buffer, M_DEVBUF); 656 out: 657 return (error); 658 } 659 660 static int 661 mptsas_sas_phy_pg0(struct mpt_softc *mpt, struct mptsas_phyinfo *phy_info, 662 uint32_t form, uint32_t form_specific) 663 { 664 ConfigExtendedPageHeader_t hdr; 665 SasPhyPage0_t *buffer; 666 int error; 667 668 error = mpt_read_extcfg_header(mpt, MPI_SASPHY0_PAGEVERSION, 0, 0, 669 MPI_CONFIG_EXTPAGETYPE_SAS_PHY, &hdr, 670 0, 10000); 671 if (error) 672 goto out; 673 if (hdr.ExtPageLength == 0) { 674 error = ENXIO; 675 goto out; 676 } 677 678 buffer = malloc(sizeof(SasPhyPage0_t), M_DEVBUF, M_NOWAIT|M_ZERO); 679 if (buffer == NULL) { 680 error = ENOMEM; 681 goto out; 682 } 683 684 error = mpt_read_extcfg_page(mpt, MPI_CONFIG_ACTION_PAGE_READ_CURRENT, 685 form + form_specific, &hdr, buffer, 686 sizeof(SasPhyPage0_t), 0, 10000); 687 if (error) { 688 free(buffer, M_DEVBUF); 689 goto out; 690 } 691 692 phy_info->hw_link_rate = buffer->HwLinkRate; 693 phy_info->programmed_link_rate = buffer->ProgrammedLinkRate; 694 phy_info->identify.dev_handle = le16toh(buffer->OwnerDevHandle); 695 phy_info->attached.dev_handle = le16toh(buffer->AttachedDevHandle); 696 697 free(buffer, M_DEVBUF); 698 out: 699 return (error); 700 } 701 702 static int 703 mptsas_sas_device_pg0(struct mpt_softc *mpt, struct mptsas_devinfo *device_info, 704 uint32_t form, uint32_t form_specific) 705 { 706 ConfigExtendedPageHeader_t hdr; 707 SasDevicePage0_t *buffer; 708 uint64_t sas_address; 709 int error = 0; 710 711 bzero(device_info, sizeof(*device_info)); 712 error = mpt_read_extcfg_header(mpt, MPI_SASDEVICE0_PAGEVERSION, 0, 0, 713 MPI_CONFIG_EXTPAGETYPE_SAS_DEVICE, 714 &hdr, 0, 10000); 715 if (error) 716 goto out; 717 if (hdr.ExtPageLength == 0) { 718 error = ENXIO; 719 goto out; 720 } 721 722 buffer = malloc(sizeof(SasDevicePage0_t), M_DEVBUF, M_NOWAIT|M_ZERO); 723 if (buffer == NULL) { 724 error = ENOMEM; 725 goto out; 726 } 727 728 error = mpt_read_extcfg_page(mpt, MPI_CONFIG_ACTION_PAGE_READ_CURRENT, 729 form + form_specific, &hdr, buffer, 730 sizeof(SasDevicePage0_t), 0, 10000); 731 if (error) { 732 free(buffer, M_DEVBUF); 733 goto out; 734 } 735 736 device_info->dev_handle = le16toh(buffer->DevHandle); 737 device_info->parent_dev_handle = le16toh(buffer->ParentDevHandle); 738 device_info->enclosure_handle = le16toh(buffer->EnclosureHandle); 739 device_info->slot = le16toh(buffer->Slot); 740 device_info->phy_num = buffer->PhyNum; 741 device_info->physical_port = buffer->PhysicalPort; 742 device_info->target_id = buffer->TargetID; 743 device_info->bus = buffer->Bus; 744 bcopy(&buffer->SASAddress, &sas_address, sizeof(uint64_t)); 745 device_info->sas_address = le64toh(sas_address); 746 device_info->device_info = le32toh(buffer->DeviceInfo); 747 748 free(buffer, M_DEVBUF); 749 out: 750 return (error); 751 } 752 753 /* 754 * Read SAS configuration information. Nothing to do yet. 755 */ 756 static int 757 mpt_read_config_info_sas(struct mpt_softc *mpt) 758 { 759 struct mptsas_portinfo *portinfo; 760 struct mptsas_phyinfo *phyinfo; 761 int error, i; 762 763 portinfo = malloc(sizeof(*portinfo), M_DEVBUF, M_NOWAIT|M_ZERO); 764 if (portinfo == NULL) 765 return (ENOMEM); 766 767 error = mptsas_sas_io_unit_pg0(mpt, portinfo); 768 if (error) { 769 free(portinfo, M_DEVBUF); 770 return (0); 771 } 772 773 for (i = 0; i < portinfo->num_phys; i++) { 774 phyinfo = &portinfo->phy_info[i]; 775 error = mptsas_sas_phy_pg0(mpt, phyinfo, 776 (MPI_SAS_PHY_PGAD_FORM_PHY_NUMBER << 777 MPI_SAS_PHY_PGAD_FORM_SHIFT), i); 778 if (error) 779 break; 780 error = mptsas_sas_device_pg0(mpt, &phyinfo->identify, 781 (MPI_SAS_DEVICE_PGAD_FORM_HANDLE << 782 MPI_SAS_DEVICE_PGAD_FORM_SHIFT), 783 phyinfo->handle); 784 if (error) 785 break; 786 phyinfo->identify.phy_num = phyinfo->phy_num = i; 787 if (phyinfo->attached.dev_handle) 788 error = mptsas_sas_device_pg0(mpt, 789 &phyinfo->attached, 790 (MPI_SAS_DEVICE_PGAD_FORM_HANDLE << 791 MPI_SAS_DEVICE_PGAD_FORM_SHIFT), 792 phyinfo->attached.dev_handle); 793 if (error) 794 break; 795 } 796 mpt->sas_portinfo = portinfo; 797 return (0); 798 } 799 800 static void 801 mptsas_set_sata_wc(struct mpt_softc *mpt, struct mptsas_devinfo *devinfo, 802 int enabled) 803 { 804 SataPassthroughRequest_t *pass; 805 request_t *req; 806 int error, status; 807 808 req = mpt_get_request(mpt, 0); 809 if (req == NULL) 810 return; 811 812 pass = req->req_vbuf; 813 bzero(pass, sizeof(SataPassthroughRequest_t)); 814 pass->Function = MPI_FUNCTION_SATA_PASSTHROUGH; 815 pass->TargetID = devinfo->target_id; 816 pass->Bus = devinfo->bus; 817 pass->PassthroughFlags = 0; 818 pass->ConnectionRate = MPI_SATA_PT_REQ_CONNECT_RATE_NEGOTIATED; 819 pass->DataLength = 0; 820 pass->MsgContext = htole32(req->index | sata_pass_handler_id); 821 pass->CommandFIS[0] = 0x27; 822 pass->CommandFIS[1] = 0x80; 823 pass->CommandFIS[2] = 0xef; 824 pass->CommandFIS[3] = (enabled) ? 0x02 : 0x82; 825 pass->CommandFIS[7] = 0x40; 826 pass->CommandFIS[15] = 0x08; 827 828 mpt_check_doorbell(mpt); 829 mpt_send_cmd(mpt, req); 830 error = mpt_wait_req(mpt, req, REQ_STATE_DONE, REQ_STATE_DONE, 0, 831 10 * 1000); 832 if (error) { 833 mpt_free_request(mpt, req); 834 printf("error %d sending passthrough\n", error); 835 return; 836 } 837 838 status = le16toh(req->IOCStatus); 839 if (status != MPI_IOCSTATUS_SUCCESS) { 840 mpt_free_request(mpt, req); 841 printf("IOCSTATUS %d\n", status); 842 return; 843 } 844 845 mpt_free_request(mpt, req); 846 } 847 848 /* 849 * Set SAS configuration information. Nothing to do yet. 850 */ 851 static int 852 mpt_set_initial_config_sas(struct mpt_softc *mpt) 853 { 854 struct mptsas_phyinfo *phyinfo; 855 int i; 856 857 if ((mpt_enable_sata_wc != -1) && (mpt->sas_portinfo != NULL)) { 858 for (i = 0; i < mpt->sas_portinfo->num_phys; i++) { 859 phyinfo = &mpt->sas_portinfo->phy_info[i]; 860 if (phyinfo->attached.dev_handle == 0) 861 continue; 862 if ((phyinfo->attached.device_info & 863 MPI_SAS_DEVICE_INFO_SATA_DEVICE) == 0) 864 continue; 865 if (bootverbose) 866 device_printf(mpt->dev, 867 "%sabling SATA WC on phy %d\n", 868 (mpt_enable_sata_wc) ? "En" : "Dis", i); 869 mptsas_set_sata_wc(mpt, &phyinfo->attached, 870 mpt_enable_sata_wc); 871 } 872 } 873 874 return (0); 875 } 876 877 static int 878 mpt_sata_pass_reply_handler(struct mpt_softc *mpt, request_t *req, 879 uint32_t reply_desc, MSG_DEFAULT_REPLY *reply_frame) 880 { 881 882 if (req != NULL) { 883 if (reply_frame != NULL) { 884 req->IOCStatus = le16toh(reply_frame->IOCStatus); 885 } 886 req->state &= ~REQ_STATE_QUEUED; 887 req->state |= REQ_STATE_DONE; 888 TAILQ_REMOVE(&mpt->request_pending_list, req, links); 889 if ((req->state & REQ_STATE_NEED_WAKEUP) != 0) { 890 wakeup(req); 891 } else if ((req->state & REQ_STATE_TIMEDOUT) != 0) { 892 /* 893 * Whew- we can free this request (late completion) 894 */ 895 mpt_free_request(mpt, req); 896 } 897 } 898 899 return (TRUE); 900 } 901 902 /* 903 * Read SCSI configuration information 904 */ 905 static int 906 mpt_read_config_info_spi(struct mpt_softc *mpt) 907 { 908 int rv, i; 909 910 rv = mpt_read_cfg_header(mpt, MPI_CONFIG_PAGETYPE_SCSI_PORT, 0, 0, 911 &mpt->mpt_port_page0.Header, FALSE, 5000); 912 if (rv) { 913 return (-1); 914 } 915 mpt_lprt(mpt, MPT_PRT_DEBUG, "SPI Port Page 0 Header: %x %x %x %x\n", 916 mpt->mpt_port_page0.Header.PageVersion, 917 mpt->mpt_port_page0.Header.PageLength, 918 mpt->mpt_port_page0.Header.PageNumber, 919 mpt->mpt_port_page0.Header.PageType); 920 921 rv = mpt_read_cfg_header(mpt, MPI_CONFIG_PAGETYPE_SCSI_PORT, 1, 0, 922 &mpt->mpt_port_page1.Header, FALSE, 5000); 923 if (rv) { 924 return (-1); 925 } 926 mpt_lprt(mpt, MPT_PRT_DEBUG, "SPI Port Page 1 Header: %x %x %x %x\n", 927 mpt->mpt_port_page1.Header.PageVersion, 928 mpt->mpt_port_page1.Header.PageLength, 929 mpt->mpt_port_page1.Header.PageNumber, 930 mpt->mpt_port_page1.Header.PageType); 931 932 rv = mpt_read_cfg_header(mpt, MPI_CONFIG_PAGETYPE_SCSI_PORT, 2, 0, 933 &mpt->mpt_port_page2.Header, FALSE, 5000); 934 if (rv) { 935 return (-1); 936 } 937 mpt_lprt(mpt, MPT_PRT_DEBUG, "SPI Port Page 2 Header: %x %x %x %x\n", 938 mpt->mpt_port_page2.Header.PageVersion, 939 mpt->mpt_port_page2.Header.PageLength, 940 mpt->mpt_port_page2.Header.PageNumber, 941 mpt->mpt_port_page2.Header.PageType); 942 943 for (i = 0; i < 16; i++) { 944 rv = mpt_read_cfg_header(mpt, MPI_CONFIG_PAGETYPE_SCSI_DEVICE, 945 0, i, &mpt->mpt_dev_page0[i].Header, FALSE, 5000); 946 if (rv) { 947 return (-1); 948 } 949 mpt_lprt(mpt, MPT_PRT_DEBUG, 950 "SPI Target %d Device Page 0 Header: %x %x %x %x\n", i, 951 mpt->mpt_dev_page0[i].Header.PageVersion, 952 mpt->mpt_dev_page0[i].Header.PageLength, 953 mpt->mpt_dev_page0[i].Header.PageNumber, 954 mpt->mpt_dev_page0[i].Header.PageType); 955 956 rv = mpt_read_cfg_header(mpt, MPI_CONFIG_PAGETYPE_SCSI_DEVICE, 957 1, i, &mpt->mpt_dev_page1[i].Header, FALSE, 5000); 958 if (rv) { 959 return (-1); 960 } 961 mpt_lprt(mpt, MPT_PRT_DEBUG, 962 "SPI Target %d Device Page 1 Header: %x %x %x %x\n", i, 963 mpt->mpt_dev_page1[i].Header.PageVersion, 964 mpt->mpt_dev_page1[i].Header.PageLength, 965 mpt->mpt_dev_page1[i].Header.PageNumber, 966 mpt->mpt_dev_page1[i].Header.PageType); 967 } 968 969 /* 970 * At this point, we don't *have* to fail. As long as we have 971 * valid config header information, we can (barely) lurch 972 * along. 973 */ 974 975 rv = mpt_read_cur_cfg_page(mpt, 0, &mpt->mpt_port_page0.Header, 976 sizeof(mpt->mpt_port_page0), FALSE, 5000); 977 if (rv) { 978 mpt_prt(mpt, "failed to read SPI Port Page 0\n"); 979 } else { 980 mpt2host_config_page_scsi_port_0(&mpt->mpt_port_page0); 981 mpt_lprt(mpt, MPT_PRT_NEGOTIATION, 982 "SPI Port Page 0: Capabilities %x PhysicalInterface %x\n", 983 mpt->mpt_port_page0.Capabilities, 984 mpt->mpt_port_page0.PhysicalInterface); 985 } 986 987 rv = mpt_read_cur_cfg_page(mpt, 0, &mpt->mpt_port_page1.Header, 988 sizeof(mpt->mpt_port_page1), FALSE, 5000); 989 if (rv) { 990 mpt_prt(mpt, "failed to read SPI Port Page 1\n"); 991 } else { 992 mpt2host_config_page_scsi_port_1(&mpt->mpt_port_page1); 993 mpt_lprt(mpt, MPT_PRT_DEBUG, 994 "SPI Port Page 1: Configuration %x OnBusTimerValue %x\n", 995 mpt->mpt_port_page1.Configuration, 996 mpt->mpt_port_page1.OnBusTimerValue); 997 } 998 999 rv = mpt_read_cur_cfg_page(mpt, 0, &mpt->mpt_port_page2.Header, 1000 sizeof(mpt->mpt_port_page2), FALSE, 5000); 1001 if (rv) { 1002 mpt_prt(mpt, "failed to read SPI Port Page 2\n"); 1003 } else { 1004 mpt_lprt(mpt, MPT_PRT_NEGOTIATION, 1005 "Port Page 2: Flags %x Settings %x\n", 1006 mpt->mpt_port_page2.PortFlags, 1007 mpt->mpt_port_page2.PortSettings); 1008 mpt2host_config_page_scsi_port_2(&mpt->mpt_port_page2); 1009 for (i = 0; i < 16; i++) { 1010 mpt_lprt(mpt, MPT_PRT_NEGOTIATION, 1011 " Port Page 2 Tgt %d: timo %x SF %x Flags %x\n", 1012 i, mpt->mpt_port_page2.DeviceSettings[i].Timeout, 1013 mpt->mpt_port_page2.DeviceSettings[i].SyncFactor, 1014 mpt->mpt_port_page2.DeviceSettings[i].DeviceFlags); 1015 } 1016 } 1017 1018 for (i = 0; i < 16; i++) { 1019 rv = mpt_read_cur_cfg_page(mpt, i, 1020 &mpt->mpt_dev_page0[i].Header, sizeof(*mpt->mpt_dev_page0), 1021 FALSE, 5000); 1022 if (rv) { 1023 mpt_prt(mpt, 1024 "cannot read SPI Target %d Device Page 0\n", i); 1025 continue; 1026 } 1027 mpt2host_config_page_scsi_device_0(&mpt->mpt_dev_page0[i]); 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 mpt2host_config_page_scsi_device_1(&mpt->mpt_dev_page1[i]); 1042 mpt_lprt(mpt, MPT_PRT_NEGOTIATION, 1043 "target %d page 1: Requested Params %x Configuration %x\n", 1044 i, mpt->mpt_dev_page1[i].RequestedParameters, 1045 mpt->mpt_dev_page1[i].Configuration); 1046 } 1047 return (0); 1048 } 1049 1050 /* 1051 * Validate SPI configuration information. 1052 * 1053 * In particular, validate SPI Port Page 1. 1054 */ 1055 static int 1056 mpt_set_initial_config_spi(struct mpt_softc *mpt) 1057 { 1058 int error, i, pp1val; 1059 1060 mpt->mpt_disc_enable = 0xff; 1061 mpt->mpt_tag_enable = 0; 1062 1063 pp1val = ((1 << mpt->mpt_ini_id) << 1064 MPI_SCSIPORTPAGE1_CFG_SHIFT_PORT_RESPONSE_ID) | mpt->mpt_ini_id; 1065 if (mpt->mpt_port_page1.Configuration != pp1val) { 1066 CONFIG_PAGE_SCSI_PORT_1 tmp; 1067 1068 mpt_prt(mpt, "SPI Port Page 1 Config value bad (%x)- should " 1069 "be %x\n", mpt->mpt_port_page1.Configuration, pp1val); 1070 tmp = mpt->mpt_port_page1; 1071 tmp.Configuration = pp1val; 1072 host2mpt_config_page_scsi_port_1(&tmp); 1073 error = mpt_write_cur_cfg_page(mpt, 0, 1074 &tmp.Header, sizeof(tmp), FALSE, 5000); 1075 if (error) { 1076 return (-1); 1077 } 1078 error = mpt_read_cur_cfg_page(mpt, 0, 1079 &tmp.Header, sizeof(tmp), FALSE, 5000); 1080 if (error) { 1081 return (-1); 1082 } 1083 mpt2host_config_page_scsi_port_1(&tmp); 1084 if (tmp.Configuration != pp1val) { 1085 mpt_prt(mpt, 1086 "failed to reset SPI Port Page 1 Config value\n"); 1087 return (-1); 1088 } 1089 mpt->mpt_port_page1 = tmp; 1090 } 1091 1092 /* 1093 * The purpose of this exercise is to get 1094 * all targets back to async/narrow. 1095 * 1096 * We skip this step if the BIOS has already negotiated 1097 * speeds with the targets. 1098 */ 1099 i = mpt->mpt_port_page2.PortSettings & 1100 MPI_SCSIPORTPAGE2_PORT_MASK_NEGO_MASTER_SETTINGS; 1101 if (i == MPI_SCSIPORTPAGE2_PORT_ALL_MASTER_SETTINGS) { 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 static 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 static void 1152 mpt_cam_ready(struct mpt_softc *mpt) 1153 { 1154 1155 /* 1156 * If we're in target mode, hang out resources now 1157 * so we don't cause the world to hang talking to us. 1158 */ 1159 if (mpt->is_fc && (mpt->role & MPT_ROLE_TARGET)) { 1160 /* 1161 * Try to add some target command resources 1162 */ 1163 MPT_LOCK(mpt); 1164 if (mpt_add_target_commands(mpt) == FALSE) { 1165 mpt_prt(mpt, "failed to add target commands\n"); 1166 } 1167 MPT_UNLOCK(mpt); 1168 } 1169 mpt->ready = 1; 1170 } 1171 1172 static void 1173 mpt_cam_detach(struct mpt_softc *mpt) 1174 { 1175 mpt_handler_t handler; 1176 1177 MPT_LOCK(mpt); 1178 mpt->ready = 0; 1179 mpt_terminate_recovery_thread(mpt); 1180 1181 handler.reply_handler = mpt_scsi_reply_handler; 1182 mpt_deregister_handler(mpt, MPT_HANDLER_REPLY, handler, 1183 scsi_io_handler_id); 1184 handler.reply_handler = mpt_scsi_tmf_reply_handler; 1185 mpt_deregister_handler(mpt, MPT_HANDLER_REPLY, handler, 1186 scsi_tmf_handler_id); 1187 handler.reply_handler = mpt_fc_els_reply_handler; 1188 mpt_deregister_handler(mpt, MPT_HANDLER_REPLY, handler, 1189 fc_els_handler_id); 1190 handler.reply_handler = mpt_scsi_tgt_reply_handler; 1191 mpt_deregister_handler(mpt, MPT_HANDLER_REPLY, handler, 1192 mpt->scsi_tgt_handler_id); 1193 handler.reply_handler = mpt_sata_pass_reply_handler; 1194 mpt_deregister_handler(mpt, MPT_HANDLER_REPLY, handler, 1195 sata_pass_handler_id); 1196 1197 if (mpt->tmf_req != NULL) { 1198 mpt->tmf_req->state = REQ_STATE_ALLOCATED; 1199 mpt_free_request(mpt, mpt->tmf_req); 1200 mpt->tmf_req = NULL; 1201 } 1202 if (mpt->sas_portinfo != NULL) { 1203 free(mpt->sas_portinfo, M_DEVBUF); 1204 mpt->sas_portinfo = NULL; 1205 } 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 MPT_UNLOCK(mpt); 1221 } 1222 1223 /* This routine is used after a system crash to dump core onto the swap device. 1224 */ 1225 static void 1226 mpt_poll(struct cam_sim *sim) 1227 { 1228 struct mpt_softc *mpt; 1229 1230 mpt = (struct mpt_softc *)cam_sim_softc(sim); 1231 mpt_intr(mpt); 1232 } 1233 1234 /* 1235 * Watchdog timeout routine for SCSI requests. 1236 */ 1237 static void 1238 mpt_timeout(void *arg) 1239 { 1240 union ccb *ccb; 1241 struct mpt_softc *mpt; 1242 request_t *req; 1243 1244 ccb = (union ccb *)arg; 1245 mpt = ccb->ccb_h.ccb_mpt_ptr; 1246 1247 MPT_LOCK_ASSERT(mpt); 1248 req = ccb->ccb_h.ccb_req_ptr; 1249 mpt_lprt(mpt, MPT_PRT_DEBUG, 1250 "request %p:%u timed out for ccb %p (req->ccb %p)\n", req, 1251 req->serno, ccb, req->ccb); 1252 /* XXX: WHAT ARE WE TRYING TO DO HERE? */ 1253 if ((req->state & REQ_STATE_QUEUED) == REQ_STATE_QUEUED) { 1254 TAILQ_REMOVE(&mpt->request_pending_list, req, links); 1255 TAILQ_INSERT_TAIL(&mpt->request_timeout_list, req, links); 1256 req->state |= REQ_STATE_TIMEDOUT; 1257 mpt_wakeup_recovery_thread(mpt); 1258 } 1259 } 1260 1261 /* 1262 * Callback routine from bus_dmamap_load_ccb(9) or, in simple cases, called 1263 * directly. 1264 * 1265 * Takes a list of physical segments and builds the SGL for SCSI IO command 1266 * and forwards the commard to the IOC after one last check that CAM has not 1267 * aborted the transaction. 1268 */ 1269 static void 1270 mpt_execute_req_a64(void *arg, bus_dma_segment_t *dm_segs, int nseg, int error) 1271 { 1272 request_t *req, *trq; 1273 char *mpt_off; 1274 union ccb *ccb; 1275 struct mpt_softc *mpt; 1276 bus_addr_t chain_list_addr; 1277 int first_lim, seg, this_seg_lim; 1278 uint32_t addr, cur_off, flags, nxt_off, tf; 1279 void *sglp = NULL; 1280 MSG_REQUEST_HEADER *hdrp; 1281 SGE_SIMPLE64 *se; 1282 SGE_CHAIN64 *ce; 1283 int istgt = 0; 1284 1285 req = (request_t *)arg; 1286 ccb = req->ccb; 1287 1288 mpt = ccb->ccb_h.ccb_mpt_ptr; 1289 req = ccb->ccb_h.ccb_req_ptr; 1290 1291 hdrp = req->req_vbuf; 1292 mpt_off = req->req_vbuf; 1293 1294 if (error == 0) { 1295 switch (hdrp->Function) { 1296 case MPI_FUNCTION_SCSI_IO_REQUEST: 1297 case MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH: 1298 istgt = 0; 1299 sglp = &((PTR_MSG_SCSI_IO_REQUEST)hdrp)->SGL; 1300 break; 1301 case MPI_FUNCTION_TARGET_ASSIST: 1302 istgt = 1; 1303 sglp = &((PTR_MSG_TARGET_ASSIST_REQUEST)hdrp)->SGL; 1304 break; 1305 default: 1306 mpt_prt(mpt, "bad fct 0x%x in mpt_execute_req_a64\n", 1307 hdrp->Function); 1308 error = EINVAL; 1309 break; 1310 } 1311 } 1312 1313 bad: 1314 if (error != 0) { 1315 if (error != EFBIG && error != ENOMEM) { 1316 mpt_prt(mpt, "mpt_execute_req_a64: err %d\n", error); 1317 } 1318 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INPROG) { 1319 cam_status status; 1320 mpt_freeze_ccb(ccb); 1321 if (error == EFBIG) { 1322 status = CAM_REQ_TOO_BIG; 1323 } else if (error == ENOMEM) { 1324 if (mpt->outofbeer == 0) { 1325 mpt->outofbeer = 1; 1326 xpt_freeze_simq(mpt->sim, 1); 1327 mpt_lprt(mpt, MPT_PRT_DEBUG, 1328 "FREEZEQ\n"); 1329 } 1330 status = CAM_REQUEUE_REQ; 1331 } else { 1332 status = CAM_REQ_CMP_ERR; 1333 } 1334 mpt_set_ccb_status(ccb, status); 1335 } 1336 if (hdrp->Function == MPI_FUNCTION_TARGET_ASSIST) { 1337 request_t *cmd_req = 1338 MPT_TAG_2_REQ(mpt, ccb->csio.tag_id); 1339 MPT_TGT_STATE(mpt, cmd_req)->state = TGT_STATE_IN_CAM; 1340 MPT_TGT_STATE(mpt, cmd_req)->ccb = NULL; 1341 MPT_TGT_STATE(mpt, cmd_req)->req = NULL; 1342 } 1343 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 1344 KASSERT(ccb->ccb_h.status, ("zero ccb sts at %d", __LINE__)); 1345 xpt_done(ccb); 1346 mpt_free_request(mpt, req); 1347 return; 1348 } 1349 1350 /* 1351 * No data to transfer? 1352 * Just make a single simple SGL with zero length. 1353 */ 1354 1355 if (mpt->verbose >= MPT_PRT_DEBUG) { 1356 int tidx = ((char *)sglp) - mpt_off; 1357 memset(&mpt_off[tidx], 0xff, MPT_REQUEST_AREA - tidx); 1358 } 1359 1360 if (nseg == 0) { 1361 SGE_SIMPLE32 *se1 = (SGE_SIMPLE32 *) sglp; 1362 MPI_pSGE_SET_FLAGS(se1, 1363 (MPI_SGE_FLAGS_LAST_ELEMENT | MPI_SGE_FLAGS_END_OF_BUFFER | 1364 MPI_SGE_FLAGS_SIMPLE_ELEMENT | MPI_SGE_FLAGS_END_OF_LIST)); 1365 se1->FlagsLength = htole32(se1->FlagsLength); 1366 goto out; 1367 } 1368 1369 flags = MPI_SGE_FLAGS_SIMPLE_ELEMENT | MPI_SGE_FLAGS_64_BIT_ADDRESSING; 1370 if (istgt == 0) { 1371 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_OUT) { 1372 flags |= MPI_SGE_FLAGS_HOST_TO_IOC; 1373 } 1374 } else { 1375 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 1376 flags |= MPI_SGE_FLAGS_HOST_TO_IOC; 1377 } 1378 } 1379 1380 if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) { 1381 bus_dmasync_op_t op; 1382 if (istgt == 0) { 1383 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 1384 op = BUS_DMASYNC_PREREAD; 1385 } else { 1386 op = BUS_DMASYNC_PREWRITE; 1387 } 1388 } else { 1389 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 1390 op = BUS_DMASYNC_PREWRITE; 1391 } else { 1392 op = BUS_DMASYNC_PREREAD; 1393 } 1394 } 1395 bus_dmamap_sync(mpt->buffer_dmat, req->dmap, op); 1396 } 1397 1398 /* 1399 * Okay, fill in what we can at the end of the command frame. 1400 * If we have up to MPT_NSGL_FIRST, we can fit them all into 1401 * the command frame. 1402 * 1403 * Otherwise, we fill up through MPT_NSGL_FIRST less one 1404 * SIMPLE64 pointers and start doing CHAIN64 entries after 1405 * that. 1406 */ 1407 1408 if (nseg < MPT_NSGL_FIRST(mpt)) { 1409 first_lim = nseg; 1410 } else { 1411 /* 1412 * Leave room for CHAIN element 1413 */ 1414 first_lim = MPT_NSGL_FIRST(mpt) - 1; 1415 } 1416 1417 se = (SGE_SIMPLE64 *) sglp; 1418 for (seg = 0; seg < first_lim; seg++, se++, dm_segs++) { 1419 tf = flags; 1420 memset(se, 0, sizeof (*se)); 1421 MPI_pSGE_SET_LENGTH(se, dm_segs->ds_len); 1422 se->Address.Low = htole32(dm_segs->ds_addr & 0xffffffff); 1423 if (sizeof(bus_addr_t) > 4) { 1424 addr = ((uint64_t)dm_segs->ds_addr) >> 32; 1425 /* SAS1078 36GB limitation WAR */ 1426 if (mpt->is_1078 && (((uint64_t)dm_segs->ds_addr + 1427 MPI_SGE_LENGTH(se->FlagsLength)) >> 32) == 9) { 1428 addr |= (1U << 31); 1429 tf |= MPI_SGE_FLAGS_LOCAL_ADDRESS; 1430 } 1431 se->Address.High = htole32(addr); 1432 } 1433 if (seg == first_lim - 1) { 1434 tf |= MPI_SGE_FLAGS_LAST_ELEMENT; 1435 } 1436 if (seg == nseg - 1) { 1437 tf |= MPI_SGE_FLAGS_END_OF_LIST | 1438 MPI_SGE_FLAGS_END_OF_BUFFER; 1439 } 1440 MPI_pSGE_SET_FLAGS(se, tf); 1441 se->FlagsLength = htole32(se->FlagsLength); 1442 } 1443 1444 if (seg == nseg) { 1445 goto out; 1446 } 1447 1448 /* 1449 * Tell the IOC where to find the first chain element. 1450 */ 1451 hdrp->ChainOffset = ((char *)se - (char *)hdrp) >> 2; 1452 nxt_off = MPT_RQSL(mpt); 1453 trq = req; 1454 1455 /* 1456 * Make up the rest of the data segments out of a chain element 1457 * (contained in the current request frame) which points to 1458 * SIMPLE64 elements in the next request frame, possibly ending 1459 * with *another* chain element (if there's more). 1460 */ 1461 while (seg < nseg) { 1462 /* 1463 * Point to the chain descriptor. Note that the chain 1464 * descriptor is at the end of the *previous* list (whether 1465 * chain or simple). 1466 */ 1467 ce = (SGE_CHAIN64 *) se; 1468 1469 /* 1470 * Before we change our current pointer, make sure we won't 1471 * overflow the request area with this frame. Note that we 1472 * test against 'greater than' here as it's okay in this case 1473 * to have next offset be just outside the request area. 1474 */ 1475 if ((nxt_off + MPT_RQSL(mpt)) > MPT_REQUEST_AREA) { 1476 nxt_off = MPT_REQUEST_AREA; 1477 goto next_chain; 1478 } 1479 1480 /* 1481 * Set our SGE element pointer to the beginning of the chain 1482 * list and update our next chain list offset. 1483 */ 1484 se = (SGE_SIMPLE64 *) &mpt_off[nxt_off]; 1485 cur_off = nxt_off; 1486 nxt_off += MPT_RQSL(mpt); 1487 1488 /* 1489 * Now initialize the chain descriptor. 1490 */ 1491 memset(ce, 0, sizeof (*ce)); 1492 1493 /* 1494 * Get the physical address of the chain list. 1495 */ 1496 chain_list_addr = trq->req_pbuf; 1497 chain_list_addr += cur_off; 1498 if (sizeof (bus_addr_t) > 4) { 1499 ce->Address.High = 1500 htole32(((uint64_t)chain_list_addr) >> 32); 1501 } 1502 ce->Address.Low = htole32(chain_list_addr & 0xffffffff); 1503 ce->Flags = MPI_SGE_FLAGS_CHAIN_ELEMENT | 1504 MPI_SGE_FLAGS_64_BIT_ADDRESSING; 1505 1506 /* 1507 * If we have more than a frame's worth of segments left, 1508 * set up the chain list to have the last element be another 1509 * chain descriptor. 1510 */ 1511 if ((nseg - seg) > MPT_NSGL(mpt)) { 1512 this_seg_lim = seg + MPT_NSGL(mpt) - 1; 1513 /* 1514 * The length of the chain is the length in bytes of the 1515 * number of segments plus the next chain element. 1516 * 1517 * The next chain descriptor offset is the length, 1518 * in words, of the number of segments. 1519 */ 1520 ce->Length = (this_seg_lim - seg) * 1521 sizeof (SGE_SIMPLE64); 1522 ce->NextChainOffset = ce->Length >> 2; 1523 ce->Length += sizeof (SGE_CHAIN64); 1524 } else { 1525 this_seg_lim = nseg; 1526 ce->Length = (this_seg_lim - seg) * 1527 sizeof (SGE_SIMPLE64); 1528 } 1529 ce->Length = htole16(ce->Length); 1530 1531 /* 1532 * Fill in the chain list SGE elements with our segment data. 1533 * 1534 * If we're the last element in this chain list, set the last 1535 * element flag. If we're the completely last element period, 1536 * set the end of list and end of buffer flags. 1537 */ 1538 while (seg < this_seg_lim) { 1539 tf = flags; 1540 memset(se, 0, sizeof (*se)); 1541 MPI_pSGE_SET_LENGTH(se, dm_segs->ds_len); 1542 se->Address.Low = htole32(dm_segs->ds_addr & 1543 0xffffffff); 1544 if (sizeof (bus_addr_t) > 4) { 1545 addr = ((uint64_t)dm_segs->ds_addr) >> 32; 1546 /* SAS1078 36GB limitation WAR */ 1547 if (mpt->is_1078 && 1548 (((uint64_t)dm_segs->ds_addr + 1549 MPI_SGE_LENGTH(se->FlagsLength)) >> 1550 32) == 9) { 1551 addr |= (1U << 31); 1552 tf |= MPI_SGE_FLAGS_LOCAL_ADDRESS; 1553 } 1554 se->Address.High = htole32(addr); 1555 } 1556 if (seg == this_seg_lim - 1) { 1557 tf |= MPI_SGE_FLAGS_LAST_ELEMENT; 1558 } 1559 if (seg == nseg - 1) { 1560 tf |= MPI_SGE_FLAGS_END_OF_LIST | 1561 MPI_SGE_FLAGS_END_OF_BUFFER; 1562 } 1563 MPI_pSGE_SET_FLAGS(se, tf); 1564 se->FlagsLength = htole32(se->FlagsLength); 1565 se++; 1566 seg++; 1567 dm_segs++; 1568 } 1569 1570 next_chain: 1571 /* 1572 * If we have more segments to do and we've used up all of 1573 * the space in a request area, go allocate another one 1574 * and chain to that. 1575 */ 1576 if (seg < nseg && nxt_off >= MPT_REQUEST_AREA) { 1577 request_t *nrq; 1578 1579 nrq = mpt_get_request(mpt, FALSE); 1580 1581 if (nrq == NULL) { 1582 error = ENOMEM; 1583 goto bad; 1584 } 1585 1586 /* 1587 * Append the new request area on the tail of our list. 1588 */ 1589 if ((trq = req->chain) == NULL) { 1590 req->chain = nrq; 1591 } else { 1592 while (trq->chain != NULL) { 1593 trq = trq->chain; 1594 } 1595 trq->chain = nrq; 1596 } 1597 trq = nrq; 1598 mpt_off = trq->req_vbuf; 1599 if (mpt->verbose >= MPT_PRT_DEBUG) { 1600 memset(mpt_off, 0xff, MPT_REQUEST_AREA); 1601 } 1602 nxt_off = 0; 1603 } 1604 } 1605 out: 1606 1607 /* 1608 * Last time we need to check if this CCB needs to be aborted. 1609 */ 1610 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_INPROG) { 1611 if (hdrp->Function == MPI_FUNCTION_TARGET_ASSIST) { 1612 request_t *cmd_req = 1613 MPT_TAG_2_REQ(mpt, ccb->csio.tag_id); 1614 MPT_TGT_STATE(mpt, cmd_req)->state = TGT_STATE_IN_CAM; 1615 MPT_TGT_STATE(mpt, cmd_req)->ccb = NULL; 1616 MPT_TGT_STATE(mpt, cmd_req)->req = NULL; 1617 } 1618 mpt_prt(mpt, 1619 "mpt_execute_req_a64: I/O cancelled (status 0x%x)\n", 1620 ccb->ccb_h.status & CAM_STATUS_MASK); 1621 if (nseg) { 1622 bus_dmamap_unload(mpt->buffer_dmat, req->dmap); 1623 } 1624 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 1625 KASSERT(ccb->ccb_h.status, ("zero ccb sts at %d", __LINE__)); 1626 xpt_done(ccb); 1627 mpt_free_request(mpt, req); 1628 return; 1629 } 1630 1631 ccb->ccb_h.status |= CAM_SIM_QUEUED; 1632 if (ccb->ccb_h.timeout != CAM_TIME_INFINITY) { 1633 mpt_req_timeout(req, SBT_1MS * ccb->ccb_h.timeout, 1634 mpt_timeout, ccb); 1635 } 1636 if (mpt->verbose > MPT_PRT_DEBUG) { 1637 int nc = 0; 1638 mpt_print_request(req->req_vbuf); 1639 for (trq = req->chain; trq; trq = trq->chain) { 1640 printf(" Additional Chain Area %d\n", nc++); 1641 mpt_dump_sgl(trq->req_vbuf, 0); 1642 } 1643 } 1644 1645 if (hdrp->Function == MPI_FUNCTION_TARGET_ASSIST) { 1646 request_t *cmd_req = MPT_TAG_2_REQ(mpt, ccb->csio.tag_id); 1647 mpt_tgt_state_t *tgt = MPT_TGT_STATE(mpt, cmd_req); 1648 #ifdef WE_TRUST_AUTO_GOOD_STATUS 1649 if ((ccb->ccb_h.flags & CAM_SEND_STATUS) && 1650 csio->scsi_status == SCSI_STATUS_OK && tgt->resid == 0) { 1651 tgt->state = TGT_STATE_MOVING_DATA_AND_STATUS; 1652 } else { 1653 tgt->state = TGT_STATE_MOVING_DATA; 1654 } 1655 #else 1656 tgt->state = TGT_STATE_MOVING_DATA; 1657 #endif 1658 } 1659 mpt_send_cmd(mpt, req); 1660 } 1661 1662 static void 1663 mpt_execute_req(void *arg, bus_dma_segment_t *dm_segs, int nseg, int error) 1664 { 1665 request_t *req, *trq; 1666 char *mpt_off; 1667 union ccb *ccb; 1668 struct mpt_softc *mpt; 1669 int seg, first_lim; 1670 uint32_t flags, nxt_off; 1671 void *sglp = NULL; 1672 MSG_REQUEST_HEADER *hdrp; 1673 SGE_SIMPLE32 *se; 1674 SGE_CHAIN32 *ce; 1675 int istgt = 0; 1676 1677 req = (request_t *)arg; 1678 ccb = req->ccb; 1679 1680 mpt = ccb->ccb_h.ccb_mpt_ptr; 1681 req = ccb->ccb_h.ccb_req_ptr; 1682 1683 hdrp = req->req_vbuf; 1684 mpt_off = req->req_vbuf; 1685 1686 if (error == 0) { 1687 switch (hdrp->Function) { 1688 case MPI_FUNCTION_SCSI_IO_REQUEST: 1689 case MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH: 1690 sglp = &((PTR_MSG_SCSI_IO_REQUEST)hdrp)->SGL; 1691 break; 1692 case MPI_FUNCTION_TARGET_ASSIST: 1693 istgt = 1; 1694 sglp = &((PTR_MSG_TARGET_ASSIST_REQUEST)hdrp)->SGL; 1695 break; 1696 default: 1697 mpt_prt(mpt, "bad fct 0x%x in mpt_execute_req\n", 1698 hdrp->Function); 1699 error = EINVAL; 1700 break; 1701 } 1702 } 1703 1704 bad: 1705 if (error != 0) { 1706 if (error != EFBIG && error != ENOMEM) { 1707 mpt_prt(mpt, "mpt_execute_req: err %d\n", error); 1708 } 1709 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INPROG) { 1710 cam_status status; 1711 mpt_freeze_ccb(ccb); 1712 if (error == EFBIG) { 1713 status = CAM_REQ_TOO_BIG; 1714 } else if (error == ENOMEM) { 1715 if (mpt->outofbeer == 0) { 1716 mpt->outofbeer = 1; 1717 xpt_freeze_simq(mpt->sim, 1); 1718 mpt_lprt(mpt, MPT_PRT_DEBUG, 1719 "FREEZEQ\n"); 1720 } 1721 status = CAM_REQUEUE_REQ; 1722 } else { 1723 status = CAM_REQ_CMP_ERR; 1724 } 1725 mpt_set_ccb_status(ccb, status); 1726 } 1727 if (hdrp->Function == MPI_FUNCTION_TARGET_ASSIST) { 1728 request_t *cmd_req = 1729 MPT_TAG_2_REQ(mpt, ccb->csio.tag_id); 1730 MPT_TGT_STATE(mpt, cmd_req)->state = TGT_STATE_IN_CAM; 1731 MPT_TGT_STATE(mpt, cmd_req)->ccb = NULL; 1732 MPT_TGT_STATE(mpt, cmd_req)->req = NULL; 1733 } 1734 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 1735 KASSERT(ccb->ccb_h.status, ("zero ccb sts at %d", __LINE__)); 1736 xpt_done(ccb); 1737 mpt_free_request(mpt, req); 1738 return; 1739 } 1740 1741 /* 1742 * No data to transfer? 1743 * Just make a single simple SGL with zero length. 1744 */ 1745 1746 if (mpt->verbose >= MPT_PRT_DEBUG) { 1747 int tidx = ((char *)sglp) - mpt_off; 1748 memset(&mpt_off[tidx], 0xff, MPT_REQUEST_AREA - tidx); 1749 } 1750 1751 if (nseg == 0) { 1752 SGE_SIMPLE32 *se1 = (SGE_SIMPLE32 *) sglp; 1753 MPI_pSGE_SET_FLAGS(se1, 1754 (MPI_SGE_FLAGS_LAST_ELEMENT | MPI_SGE_FLAGS_END_OF_BUFFER | 1755 MPI_SGE_FLAGS_SIMPLE_ELEMENT | MPI_SGE_FLAGS_END_OF_LIST)); 1756 se1->FlagsLength = htole32(se1->FlagsLength); 1757 goto out; 1758 } 1759 1760 flags = MPI_SGE_FLAGS_SIMPLE_ELEMENT; 1761 if (istgt == 0) { 1762 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_OUT) { 1763 flags |= MPI_SGE_FLAGS_HOST_TO_IOC; 1764 } 1765 } else { 1766 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 1767 flags |= MPI_SGE_FLAGS_HOST_TO_IOC; 1768 } 1769 } 1770 1771 if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) { 1772 bus_dmasync_op_t op; 1773 if (istgt) { 1774 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 1775 op = BUS_DMASYNC_PREREAD; 1776 } else { 1777 op = BUS_DMASYNC_PREWRITE; 1778 } 1779 } else { 1780 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 1781 op = BUS_DMASYNC_PREWRITE; 1782 } else { 1783 op = BUS_DMASYNC_PREREAD; 1784 } 1785 } 1786 bus_dmamap_sync(mpt->buffer_dmat, req->dmap, op); 1787 } 1788 1789 /* 1790 * Okay, fill in what we can at the end of the command frame. 1791 * If we have up to MPT_NSGL_FIRST, we can fit them all into 1792 * the command frame. 1793 * 1794 * Otherwise, we fill up through MPT_NSGL_FIRST less one 1795 * SIMPLE32 pointers and start doing CHAIN32 entries after 1796 * that. 1797 */ 1798 1799 if (nseg < MPT_NSGL_FIRST(mpt)) { 1800 first_lim = nseg; 1801 } else { 1802 /* 1803 * Leave room for CHAIN element 1804 */ 1805 first_lim = MPT_NSGL_FIRST(mpt) - 1; 1806 } 1807 1808 se = (SGE_SIMPLE32 *) sglp; 1809 for (seg = 0; seg < first_lim; seg++, se++, dm_segs++) { 1810 uint32_t tf; 1811 1812 memset(se, 0,sizeof (*se)); 1813 se->Address = htole32(dm_segs->ds_addr); 1814 1815 MPI_pSGE_SET_LENGTH(se, dm_segs->ds_len); 1816 tf = flags; 1817 if (seg == first_lim - 1) { 1818 tf |= MPI_SGE_FLAGS_LAST_ELEMENT; 1819 } 1820 if (seg == nseg - 1) { 1821 tf |= MPI_SGE_FLAGS_END_OF_LIST | 1822 MPI_SGE_FLAGS_END_OF_BUFFER; 1823 } 1824 MPI_pSGE_SET_FLAGS(se, tf); 1825 se->FlagsLength = htole32(se->FlagsLength); 1826 } 1827 1828 if (seg == nseg) { 1829 goto out; 1830 } 1831 1832 /* 1833 * Tell the IOC where to find the first chain element. 1834 */ 1835 hdrp->ChainOffset = ((char *)se - (char *)hdrp) >> 2; 1836 nxt_off = MPT_RQSL(mpt); 1837 trq = req; 1838 1839 /* 1840 * Make up the rest of the data segments out of a chain element 1841 * (contained in the current request frame) which points to 1842 * SIMPLE32 elements in the next request frame, possibly ending 1843 * with *another* chain element (if there's more). 1844 */ 1845 while (seg < nseg) { 1846 int this_seg_lim; 1847 uint32_t tf, cur_off; 1848 bus_addr_t chain_list_addr; 1849 1850 /* 1851 * Point to the chain descriptor. Note that the chain 1852 * descriptor is at the end of the *previous* list (whether 1853 * chain or simple). 1854 */ 1855 ce = (SGE_CHAIN32 *) se; 1856 1857 /* 1858 * Before we change our current pointer, make sure we won't 1859 * overflow the request area with this frame. Note that we 1860 * test against 'greater than' here as it's okay in this case 1861 * to have next offset be just outside the request area. 1862 */ 1863 if ((nxt_off + MPT_RQSL(mpt)) > MPT_REQUEST_AREA) { 1864 nxt_off = MPT_REQUEST_AREA; 1865 goto next_chain; 1866 } 1867 1868 /* 1869 * Set our SGE element pointer to the beginning of the chain 1870 * list and update our next chain list offset. 1871 */ 1872 se = (SGE_SIMPLE32 *) &mpt_off[nxt_off]; 1873 cur_off = nxt_off; 1874 nxt_off += MPT_RQSL(mpt); 1875 1876 /* 1877 * Now initialize the chain descriptor. 1878 */ 1879 memset(ce, 0, sizeof (*ce)); 1880 1881 /* 1882 * Get the physical address of the chain list. 1883 */ 1884 chain_list_addr = trq->req_pbuf; 1885 chain_list_addr += cur_off; 1886 1887 ce->Address = htole32(chain_list_addr); 1888 ce->Flags = MPI_SGE_FLAGS_CHAIN_ELEMENT; 1889 1890 /* 1891 * If we have more than a frame's worth of segments left, 1892 * set up the chain list to have the last element be another 1893 * chain descriptor. 1894 */ 1895 if ((nseg - seg) > MPT_NSGL(mpt)) { 1896 this_seg_lim = seg + MPT_NSGL(mpt) - 1; 1897 /* 1898 * The length of the chain is the length in bytes of the 1899 * number of segments plus the next chain element. 1900 * 1901 * The next chain descriptor offset is the length, 1902 * in words, of the number of segments. 1903 */ 1904 ce->Length = (this_seg_lim - seg) * 1905 sizeof (SGE_SIMPLE32); 1906 ce->NextChainOffset = ce->Length >> 2; 1907 ce->Length += sizeof (SGE_CHAIN32); 1908 } else { 1909 this_seg_lim = nseg; 1910 ce->Length = (this_seg_lim - seg) * 1911 sizeof (SGE_SIMPLE32); 1912 } 1913 ce->Length = htole16(ce->Length); 1914 1915 /* 1916 * Fill in the chain list SGE elements with our segment data. 1917 * 1918 * If we're the last element in this chain list, set the last 1919 * element flag. If we're the completely last element period, 1920 * set the end of list and end of buffer flags. 1921 */ 1922 while (seg < this_seg_lim) { 1923 memset(se, 0, sizeof (*se)); 1924 se->Address = htole32(dm_segs->ds_addr); 1925 1926 MPI_pSGE_SET_LENGTH(se, dm_segs->ds_len); 1927 tf = flags; 1928 if (seg == this_seg_lim - 1) { 1929 tf |= MPI_SGE_FLAGS_LAST_ELEMENT; 1930 } 1931 if (seg == nseg - 1) { 1932 tf |= MPI_SGE_FLAGS_END_OF_LIST | 1933 MPI_SGE_FLAGS_END_OF_BUFFER; 1934 } 1935 MPI_pSGE_SET_FLAGS(se, tf); 1936 se->FlagsLength = htole32(se->FlagsLength); 1937 se++; 1938 seg++; 1939 dm_segs++; 1940 } 1941 1942 next_chain: 1943 /* 1944 * If we have more segments to do and we've used up all of 1945 * the space in a request area, go allocate another one 1946 * and chain to that. 1947 */ 1948 if (seg < nseg && nxt_off >= MPT_REQUEST_AREA) { 1949 request_t *nrq; 1950 1951 nrq = mpt_get_request(mpt, FALSE); 1952 1953 if (nrq == NULL) { 1954 error = ENOMEM; 1955 goto bad; 1956 } 1957 1958 /* 1959 * Append the new request area on the tail of our list. 1960 */ 1961 if ((trq = req->chain) == NULL) { 1962 req->chain = nrq; 1963 } else { 1964 while (trq->chain != NULL) { 1965 trq = trq->chain; 1966 } 1967 trq->chain = nrq; 1968 } 1969 trq = nrq; 1970 mpt_off = trq->req_vbuf; 1971 if (mpt->verbose >= MPT_PRT_DEBUG) { 1972 memset(mpt_off, 0xff, MPT_REQUEST_AREA); 1973 } 1974 nxt_off = 0; 1975 } 1976 } 1977 out: 1978 1979 /* 1980 * Last time we need to check if this CCB needs to be aborted. 1981 */ 1982 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_INPROG) { 1983 if (hdrp->Function == MPI_FUNCTION_TARGET_ASSIST) { 1984 request_t *cmd_req = 1985 MPT_TAG_2_REQ(mpt, ccb->csio.tag_id); 1986 MPT_TGT_STATE(mpt, cmd_req)->state = TGT_STATE_IN_CAM; 1987 MPT_TGT_STATE(mpt, cmd_req)->ccb = NULL; 1988 MPT_TGT_STATE(mpt, cmd_req)->req = NULL; 1989 } 1990 mpt_prt(mpt, 1991 "mpt_execute_req: I/O cancelled (status 0x%x)\n", 1992 ccb->ccb_h.status & CAM_STATUS_MASK); 1993 if (nseg) { 1994 bus_dmamap_unload(mpt->buffer_dmat, req->dmap); 1995 } 1996 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 1997 KASSERT(ccb->ccb_h.status, ("zero ccb sts at %d", __LINE__)); 1998 xpt_done(ccb); 1999 mpt_free_request(mpt, req); 2000 return; 2001 } 2002 2003 ccb->ccb_h.status |= CAM_SIM_QUEUED; 2004 if (ccb->ccb_h.timeout != CAM_TIME_INFINITY) { 2005 mpt_req_timeout(req, SBT_1MS * ccb->ccb_h.timeout, 2006 mpt_timeout, ccb); 2007 } 2008 if (mpt->verbose > MPT_PRT_DEBUG) { 2009 int nc = 0; 2010 mpt_print_request(req->req_vbuf); 2011 for (trq = req->chain; trq; trq = trq->chain) { 2012 printf(" Additional Chain Area %d\n", nc++); 2013 mpt_dump_sgl(trq->req_vbuf, 0); 2014 } 2015 } 2016 2017 if (hdrp->Function == MPI_FUNCTION_TARGET_ASSIST) { 2018 request_t *cmd_req = MPT_TAG_2_REQ(mpt, ccb->csio.tag_id); 2019 mpt_tgt_state_t *tgt = MPT_TGT_STATE(mpt, cmd_req); 2020 #ifdef WE_TRUST_AUTO_GOOD_STATUS 2021 if ((ccb->ccb_h.flags & CAM_SEND_STATUS) && 2022 csio->scsi_status == SCSI_STATUS_OK && tgt->resid == 0) { 2023 tgt->state = TGT_STATE_MOVING_DATA_AND_STATUS; 2024 } else { 2025 tgt->state = TGT_STATE_MOVING_DATA; 2026 } 2027 #else 2028 tgt->state = TGT_STATE_MOVING_DATA; 2029 #endif 2030 } 2031 mpt_send_cmd(mpt, req); 2032 } 2033 2034 static void 2035 mpt_start(struct cam_sim *sim, union ccb *ccb) 2036 { 2037 request_t *req; 2038 struct mpt_softc *mpt; 2039 MSG_SCSI_IO_REQUEST *mpt_req; 2040 struct ccb_scsiio *csio = &ccb->csio; 2041 struct ccb_hdr *ccbh = &ccb->ccb_h; 2042 bus_dmamap_callback_t *cb; 2043 target_id_t tgt; 2044 int raid_passthru; 2045 int error; 2046 2047 /* Get the pointer for the physical addapter */ 2048 mpt = ccb->ccb_h.ccb_mpt_ptr; 2049 raid_passthru = (sim == mpt->phydisk_sim); 2050 2051 if ((req = mpt_get_request(mpt, FALSE)) == NULL) { 2052 if (mpt->outofbeer == 0) { 2053 mpt->outofbeer = 1; 2054 xpt_freeze_simq(mpt->sim, 1); 2055 mpt_lprt(mpt, MPT_PRT_DEBUG, "FREEZEQ\n"); 2056 } 2057 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 2058 mpt_set_ccb_status(ccb, CAM_REQUEUE_REQ); 2059 xpt_done(ccb); 2060 return; 2061 } 2062 #ifdef INVARIANTS 2063 mpt_req_not_spcl(mpt, req, "mpt_start", __LINE__); 2064 #endif 2065 2066 if (sizeof (bus_addr_t) > 4) { 2067 cb = mpt_execute_req_a64; 2068 } else { 2069 cb = mpt_execute_req; 2070 } 2071 2072 /* 2073 * Link the ccb and the request structure so we can find 2074 * the other knowing either the request or the ccb 2075 */ 2076 req->ccb = ccb; 2077 ccb->ccb_h.ccb_req_ptr = req; 2078 2079 /* Now we build the command for the IOC */ 2080 mpt_req = req->req_vbuf; 2081 memset(mpt_req, 0, sizeof (MSG_SCSI_IO_REQUEST)); 2082 2083 mpt_req->Function = MPI_FUNCTION_SCSI_IO_REQUEST; 2084 if (raid_passthru) { 2085 mpt_req->Function = MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH; 2086 if (mpt_map_physdisk(mpt, ccb, &tgt) != 0) { 2087 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 2088 mpt_set_ccb_status(ccb, CAM_DEV_NOT_THERE); 2089 xpt_done(ccb); 2090 return; 2091 } 2092 mpt_req->Bus = 0; /* we never set bus here */ 2093 } else { 2094 tgt = ccb->ccb_h.target_id; 2095 mpt_req->Bus = 0; /* XXX */ 2096 2097 } 2098 mpt_req->SenseBufferLength = 2099 (csio->sense_len < MPT_SENSE_SIZE) ? 2100 csio->sense_len : MPT_SENSE_SIZE; 2101 2102 /* 2103 * We use the message context to find the request structure when we 2104 * Get the command completion interrupt from the IOC. 2105 */ 2106 mpt_req->MsgContext = htole32(req->index | scsi_io_handler_id); 2107 2108 /* Which physical device to do the I/O on */ 2109 mpt_req->TargetID = tgt; 2110 2111 be64enc(mpt_req->LUN, CAM_EXTLUN_BYTE_SWIZZLE(ccb->ccb_h.target_lun)); 2112 2113 /* Set the direction of the transfer */ 2114 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 2115 mpt_req->Control = MPI_SCSIIO_CONTROL_READ; 2116 } else if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_OUT) { 2117 mpt_req->Control = MPI_SCSIIO_CONTROL_WRITE; 2118 } else { 2119 mpt_req->Control = MPI_SCSIIO_CONTROL_NODATATRANSFER; 2120 } 2121 2122 if ((ccb->ccb_h.flags & CAM_TAG_ACTION_VALID) != 0) { 2123 switch(ccb->csio.tag_action) { 2124 case MSG_HEAD_OF_Q_TAG: 2125 mpt_req->Control |= MPI_SCSIIO_CONTROL_HEADOFQ; 2126 break; 2127 case MSG_ACA_TASK: 2128 mpt_req->Control |= MPI_SCSIIO_CONTROL_ACAQ; 2129 break; 2130 case MSG_ORDERED_Q_TAG: 2131 mpt_req->Control |= MPI_SCSIIO_CONTROL_ORDEREDQ; 2132 break; 2133 case MSG_SIMPLE_Q_TAG: 2134 default: 2135 mpt_req->Control |= MPI_SCSIIO_CONTROL_SIMPLEQ; 2136 break; 2137 } 2138 } else { 2139 if (mpt->is_fc || mpt->is_sas) { 2140 mpt_req->Control |= MPI_SCSIIO_CONTROL_SIMPLEQ; 2141 } else { 2142 /* XXX No such thing for a target doing packetized. */ 2143 mpt_req->Control |= MPI_SCSIIO_CONTROL_UNTAGGED; 2144 } 2145 } 2146 2147 if (mpt->is_spi) { 2148 if (ccb->ccb_h.flags & CAM_DIS_DISCONNECT) { 2149 mpt_req->Control |= MPI_SCSIIO_CONTROL_NO_DISCONNECT; 2150 } 2151 } 2152 mpt_req->Control = htole32(mpt_req->Control); 2153 2154 /* Copy the scsi command block into place */ 2155 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0) { 2156 bcopy(csio->cdb_io.cdb_ptr, mpt_req->CDB, csio->cdb_len); 2157 } else { 2158 bcopy(csio->cdb_io.cdb_bytes, mpt_req->CDB, csio->cdb_len); 2159 } 2160 2161 mpt_req->CDBLength = csio->cdb_len; 2162 mpt_req->DataLength = htole32(csio->dxfer_len); 2163 mpt_req->SenseBufferLowAddr = htole32(req->sense_pbuf); 2164 2165 /* 2166 * Do a *short* print here if we're set to MPT_PRT_DEBUG 2167 */ 2168 if (mpt->verbose == MPT_PRT_DEBUG) { 2169 U32 df; 2170 mpt_prt(mpt, "mpt_start: %s op 0x%x ", 2171 (mpt_req->Function == MPI_FUNCTION_SCSI_IO_REQUEST)? 2172 "SCSI_IO_REQUEST" : "SCSI_IO_PASSTHRU", mpt_req->CDB[0]); 2173 df = mpt_req->Control & MPI_SCSIIO_CONTROL_DATADIRECTION_MASK; 2174 if (df != MPI_SCSIIO_CONTROL_NODATATRANSFER) { 2175 mpt_prtc(mpt, "(%s %u byte%s ", 2176 (df == MPI_SCSIIO_CONTROL_READ)? 2177 "read" : "write", csio->dxfer_len, 2178 (csio->dxfer_len == 1)? ")" : "s)"); 2179 } 2180 mpt_prtc(mpt, "tgt %u lun %jx req %p:%u\n", tgt, 2181 (uintmax_t)ccb->ccb_h.target_lun, req, req->serno); 2182 } 2183 2184 error = bus_dmamap_load_ccb(mpt->buffer_dmat, req->dmap, ccb, cb, 2185 req, 0); 2186 if (error == EINPROGRESS) { 2187 /* 2188 * So as to maintain ordering, freeze the controller queue 2189 * until our mapping is returned. 2190 */ 2191 xpt_freeze_simq(mpt->sim, 1); 2192 ccbh->status |= CAM_RELEASE_SIMQ; 2193 } 2194 } 2195 2196 static int 2197 mpt_bus_reset(struct mpt_softc *mpt, target_id_t tgt, lun_id_t lun, 2198 int sleep_ok) 2199 { 2200 int error; 2201 uint16_t status; 2202 uint8_t response; 2203 2204 error = mpt_scsi_send_tmf(mpt, 2205 (tgt != CAM_TARGET_WILDCARD || lun != CAM_LUN_WILDCARD) ? 2206 MPI_SCSITASKMGMT_TASKTYPE_TARGET_RESET : 2207 MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS, 2208 mpt->is_fc ? MPI_SCSITASKMGMT_MSGFLAGS_LIP_RESET_OPTION : 0, 2209 0, /* XXX How do I get the channel ID? */ 2210 tgt != CAM_TARGET_WILDCARD ? tgt : 0, 2211 lun != CAM_LUN_WILDCARD ? lun : 0, 2212 0, sleep_ok); 2213 2214 if (error != 0) { 2215 /* 2216 * mpt_scsi_send_tmf hard resets on failure, so no 2217 * need to do so here. 2218 */ 2219 mpt_prt(mpt, 2220 "mpt_bus_reset: mpt_scsi_send_tmf returned %d\n", error); 2221 return (EIO); 2222 } 2223 2224 /* Wait for bus reset to be processed by the IOC. */ 2225 error = mpt_wait_req(mpt, mpt->tmf_req, REQ_STATE_DONE, 2226 REQ_STATE_DONE, sleep_ok, 5000); 2227 2228 status = le16toh(mpt->tmf_req->IOCStatus); 2229 response = mpt->tmf_req->ResponseCode; 2230 mpt->tmf_req->state = REQ_STATE_FREE; 2231 2232 if (error) { 2233 mpt_prt(mpt, "mpt_bus_reset: Reset timed-out. " 2234 "Resetting controller.\n"); 2235 mpt_reset(mpt, TRUE); 2236 return (ETIMEDOUT); 2237 } 2238 2239 if ((status & MPI_IOCSTATUS_MASK) != MPI_IOCSTATUS_SUCCESS) { 2240 mpt_prt(mpt, "mpt_bus_reset: TMF IOC Status 0x%x. " 2241 "Resetting controller.\n", status); 2242 mpt_reset(mpt, TRUE); 2243 return (EIO); 2244 } 2245 2246 if (response != MPI_SCSITASKMGMT_RSP_TM_SUCCEEDED && 2247 response != MPI_SCSITASKMGMT_RSP_TM_COMPLETE) { 2248 mpt_prt(mpt, "mpt_bus_reset: TMF Response 0x%x. " 2249 "Resetting controller.\n", response); 2250 mpt_reset(mpt, TRUE); 2251 return (EIO); 2252 } 2253 return (0); 2254 } 2255 2256 static int 2257 mpt_fc_reset_link(struct mpt_softc *mpt, int dowait) 2258 { 2259 int r = 0; 2260 request_t *req; 2261 PTR_MSG_FC_PRIMITIVE_SEND_REQUEST fc; 2262 2263 req = mpt_get_request(mpt, FALSE); 2264 if (req == NULL) { 2265 return (ENOMEM); 2266 } 2267 fc = req->req_vbuf; 2268 memset(fc, 0, sizeof(*fc)); 2269 fc->SendFlags = MPI_FC_PRIM_SEND_FLAGS_RESET_LINK; 2270 fc->Function = MPI_FUNCTION_FC_PRIMITIVE_SEND; 2271 fc->MsgContext = htole32(req->index | fc_els_handler_id); 2272 mpt_send_cmd(mpt, req); 2273 if (dowait) { 2274 r = mpt_wait_req(mpt, req, REQ_STATE_DONE, 2275 REQ_STATE_DONE, FALSE, 60 * 1000); 2276 if (r == 0) { 2277 mpt_free_request(mpt, req); 2278 } 2279 } 2280 return (r); 2281 } 2282 2283 static int 2284 mpt_cam_event(struct mpt_softc *mpt, request_t *req, 2285 MSG_EVENT_NOTIFY_REPLY *msg) 2286 { 2287 uint32_t data0, data1; 2288 2289 data0 = le32toh(msg->Data[0]); 2290 data1 = le32toh(msg->Data[1]); 2291 switch(msg->Event & 0xFF) { 2292 case MPI_EVENT_UNIT_ATTENTION: 2293 mpt_prt(mpt, "UNIT ATTENTION: Bus: 0x%02x TargetID: 0x%02x\n", 2294 (data0 >> 8) & 0xff, data0 & 0xff); 2295 break; 2296 2297 case MPI_EVENT_IOC_BUS_RESET: 2298 /* We generated a bus reset */ 2299 mpt_prt(mpt, "IOC Generated Bus Reset Port: %d\n", 2300 (data0 >> 8) & 0xff); 2301 xpt_async(AC_BUS_RESET, mpt->path, NULL); 2302 break; 2303 2304 case MPI_EVENT_EXT_BUS_RESET: 2305 /* Someone else generated a bus reset */ 2306 mpt_prt(mpt, "External Bus Reset Detected\n"); 2307 /* 2308 * These replies don't return EventData like the MPI 2309 * spec says they do 2310 */ 2311 xpt_async(AC_BUS_RESET, mpt->path, NULL); 2312 break; 2313 2314 case MPI_EVENT_RESCAN: 2315 { 2316 union ccb *ccb; 2317 uint32_t pathid; 2318 /* 2319 * In general this means a device has been added to the loop. 2320 */ 2321 mpt_prt(mpt, "Rescan Port: %d\n", (data0 >> 8) & 0xff); 2322 if (mpt->ready == 0) { 2323 break; 2324 } 2325 if (mpt->phydisk_sim) { 2326 pathid = cam_sim_path(mpt->phydisk_sim); 2327 } else { 2328 pathid = cam_sim_path(mpt->sim); 2329 } 2330 /* 2331 * Allocate a CCB, create a wildcard path for this bus, 2332 * and schedule a rescan. 2333 */ 2334 ccb = xpt_alloc_ccb_nowait(); 2335 if (ccb == NULL) { 2336 mpt_prt(mpt, "unable to alloc CCB for rescan\n"); 2337 break; 2338 } 2339 2340 if (xpt_create_path(&ccb->ccb_h.path, NULL, pathid, 2341 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 2342 mpt_prt(mpt, "unable to create path for rescan\n"); 2343 xpt_free_ccb(ccb); 2344 break; 2345 } 2346 xpt_rescan(ccb); 2347 break; 2348 } 2349 2350 case MPI_EVENT_LINK_STATUS_CHANGE: 2351 mpt_prt(mpt, "Port %d: LinkState: %s\n", 2352 (data1 >> 8) & 0xff, 2353 ((data0 & 0xff) == 0)? "Failed" : "Active"); 2354 break; 2355 2356 case MPI_EVENT_LOOP_STATE_CHANGE: 2357 switch ((data0 >> 16) & 0xff) { 2358 case 0x01: 2359 mpt_prt(mpt, 2360 "Port 0x%x: FC LinkEvent: LIP(%02x,%02x) " 2361 "(Loop Initialization)\n", 2362 (data1 >> 8) & 0xff, 2363 (data0 >> 8) & 0xff, 2364 (data0 ) & 0xff); 2365 switch ((data0 >> 8) & 0xff) { 2366 case 0xF7: 2367 if ((data0 & 0xff) == 0xF7) { 2368 mpt_prt(mpt, "Device needs AL_PA\n"); 2369 } else { 2370 mpt_prt(mpt, "Device %02x doesn't like " 2371 "FC performance\n", 2372 data0 & 0xFF); 2373 } 2374 break; 2375 case 0xF8: 2376 if ((data0 & 0xff) == 0xF7) { 2377 mpt_prt(mpt, "Device had loop failure " 2378 "at its receiver prior to acquiring" 2379 " AL_PA\n"); 2380 } else { 2381 mpt_prt(mpt, "Device %02x detected loop" 2382 " failure at its receiver\n", 2383 data0 & 0xFF); 2384 } 2385 break; 2386 default: 2387 mpt_prt(mpt, "Device %02x requests that device " 2388 "%02x reset itself\n", 2389 data0 & 0xFF, 2390 (data0 >> 8) & 0xFF); 2391 break; 2392 } 2393 break; 2394 case 0x02: 2395 mpt_prt(mpt, "Port 0x%x: FC LinkEvent: " 2396 "LPE(%02x,%02x) (Loop Port Enable)\n", 2397 (data1 >> 8) & 0xff, /* Port */ 2398 (data0 >> 8) & 0xff, /* Character 3 */ 2399 (data0 ) & 0xff /* Character 4 */); 2400 break; 2401 case 0x03: 2402 mpt_prt(mpt, "Port 0x%x: FC LinkEvent: " 2403 "LPB(%02x,%02x) (Loop Port Bypass)\n", 2404 (data1 >> 8) & 0xff, /* Port */ 2405 (data0 >> 8) & 0xff, /* Character 3 */ 2406 (data0 ) & 0xff /* Character 4 */); 2407 break; 2408 default: 2409 mpt_prt(mpt, "Port 0x%x: FC LinkEvent: Unknown " 2410 "FC event (%02x %02x %02x)\n", 2411 (data1 >> 8) & 0xff, /* Port */ 2412 (data0 >> 16) & 0xff, /* Event */ 2413 (data0 >> 8) & 0xff, /* Character 3 */ 2414 (data0 ) & 0xff /* Character 4 */); 2415 } 2416 break; 2417 2418 case MPI_EVENT_LOGOUT: 2419 mpt_prt(mpt, "FC Logout Port: %d N_PortID: %02x\n", 2420 (data1 >> 8) & 0xff, data0); 2421 break; 2422 case MPI_EVENT_QUEUE_FULL: 2423 { 2424 struct cam_sim *sim; 2425 struct cam_path *tmppath; 2426 struct ccb_relsim crs; 2427 PTR_EVENT_DATA_QUEUE_FULL pqf; 2428 lun_id_t lun_id; 2429 2430 pqf = (PTR_EVENT_DATA_QUEUE_FULL)msg->Data; 2431 pqf->CurrentDepth = le16toh(pqf->CurrentDepth); 2432 if (bootverbose) { 2433 mpt_prt(mpt, "QUEUE FULL EVENT: Bus 0x%02x Target 0x%02x " 2434 "Depth %d\n", 2435 pqf->Bus, pqf->TargetID, pqf->CurrentDepth); 2436 } 2437 if (mpt->phydisk_sim && mpt_is_raid_member(mpt, 2438 pqf->TargetID) != 0) { 2439 sim = mpt->phydisk_sim; 2440 } else { 2441 sim = mpt->sim; 2442 } 2443 for (lun_id = 0; lun_id < MPT_MAX_LUNS; lun_id++) { 2444 if (xpt_create_path(&tmppath, NULL, cam_sim_path(sim), 2445 pqf->TargetID, lun_id) != CAM_REQ_CMP) { 2446 mpt_prt(mpt, "unable to create a path to send " 2447 "XPT_REL_SIMQ"); 2448 break; 2449 } 2450 memset(&crs, 0, sizeof(crs)); 2451 xpt_setup_ccb(&crs.ccb_h, tmppath, 5); 2452 crs.ccb_h.func_code = XPT_REL_SIMQ; 2453 crs.ccb_h.flags = CAM_DEV_QFREEZE; 2454 crs.release_flags = RELSIM_ADJUST_OPENINGS; 2455 crs.openings = pqf->CurrentDepth - 1; 2456 xpt_action((union ccb *)&crs); 2457 if (crs.ccb_h.status != CAM_REQ_CMP) { 2458 mpt_prt(mpt, "XPT_REL_SIMQ failed\n"); 2459 } 2460 xpt_free_path(tmppath); 2461 } 2462 break; 2463 } 2464 case MPI_EVENT_IR_RESYNC_UPDATE: 2465 mpt_prt(mpt, "IR resync update %d completed\n", 2466 (data0 >> 16) & 0xff); 2467 break; 2468 case MPI_EVENT_SAS_DEVICE_STATUS_CHANGE: 2469 { 2470 union ccb *ccb; 2471 struct cam_sim *sim; 2472 struct cam_path *tmppath; 2473 PTR_EVENT_DATA_SAS_DEVICE_STATUS_CHANGE psdsc; 2474 2475 psdsc = (PTR_EVENT_DATA_SAS_DEVICE_STATUS_CHANGE)msg->Data; 2476 if (mpt->phydisk_sim && mpt_is_raid_member(mpt, 2477 psdsc->TargetID) != 0) 2478 sim = mpt->phydisk_sim; 2479 else 2480 sim = mpt->sim; 2481 switch(psdsc->ReasonCode) { 2482 case MPI_EVENT_SAS_DEV_STAT_RC_ADDED: 2483 ccb = xpt_alloc_ccb_nowait(); 2484 if (ccb == NULL) { 2485 mpt_prt(mpt, 2486 "unable to alloc CCB for rescan\n"); 2487 break; 2488 } 2489 if (xpt_create_path(&ccb->ccb_h.path, NULL, 2490 cam_sim_path(sim), psdsc->TargetID, 2491 CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 2492 mpt_prt(mpt, 2493 "unable to create path for rescan\n"); 2494 xpt_free_ccb(ccb); 2495 break; 2496 } 2497 xpt_rescan(ccb); 2498 break; 2499 case MPI_EVENT_SAS_DEV_STAT_RC_NOT_RESPONDING: 2500 if (xpt_create_path(&tmppath, NULL, cam_sim_path(sim), 2501 psdsc->TargetID, CAM_LUN_WILDCARD) != 2502 CAM_REQ_CMP) { 2503 mpt_prt(mpt, 2504 "unable to create path for async event"); 2505 break; 2506 } 2507 xpt_async(AC_LOST_DEVICE, tmppath, NULL); 2508 xpt_free_path(tmppath); 2509 break; 2510 case MPI_EVENT_SAS_DEV_STAT_RC_CMPL_INTERNAL_DEV_RESET: 2511 case MPI_EVENT_SAS_DEV_STAT_RC_CMPL_TASK_ABORT_INTERNAL: 2512 case MPI_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET: 2513 break; 2514 default: 2515 mpt_lprt(mpt, MPT_PRT_WARN, 2516 "SAS device status change: Bus: 0x%02x TargetID: " 2517 "0x%02x ReasonCode: 0x%02x\n", psdsc->Bus, 2518 psdsc->TargetID, psdsc->ReasonCode); 2519 break; 2520 } 2521 break; 2522 } 2523 case MPI_EVENT_SAS_DISCOVERY_ERROR: 2524 { 2525 PTR_EVENT_DATA_DISCOVERY_ERROR pde; 2526 2527 pde = (PTR_EVENT_DATA_DISCOVERY_ERROR)msg->Data; 2528 pde->DiscoveryStatus = le32toh(pde->DiscoveryStatus); 2529 mpt_lprt(mpt, MPT_PRT_WARN, 2530 "SAS discovery error: Port: 0x%02x Status: 0x%08x\n", 2531 pde->Port, pde->DiscoveryStatus); 2532 break; 2533 } 2534 case MPI_EVENT_EVENT_CHANGE: 2535 case MPI_EVENT_INTEGRATED_RAID: 2536 case MPI_EVENT_IR2: 2537 case MPI_EVENT_LOG_ENTRY_ADDED: 2538 case MPI_EVENT_SAS_DISCOVERY: 2539 case MPI_EVENT_SAS_PHY_LINK_STATUS: 2540 case MPI_EVENT_SAS_SES: 2541 break; 2542 default: 2543 mpt_lprt(mpt, MPT_PRT_WARN, "mpt_cam_event: 0x%x\n", 2544 msg->Event & 0xFF); 2545 return (0); 2546 } 2547 return (1); 2548 } 2549 2550 /* 2551 * Reply path for all SCSI I/O requests, called from our 2552 * interrupt handler by extracting our handler index from 2553 * the MsgContext field of the reply from the IOC. 2554 * 2555 * This routine is optimized for the common case of a 2556 * completion without error. All exception handling is 2557 * offloaded to non-inlined helper routines to minimize 2558 * cache footprint. 2559 */ 2560 static int 2561 mpt_scsi_reply_handler(struct mpt_softc *mpt, request_t *req, 2562 uint32_t reply_desc, MSG_DEFAULT_REPLY *reply_frame) 2563 { 2564 MSG_SCSI_IO_REQUEST *scsi_req; 2565 union ccb *ccb; 2566 2567 if (req->state == REQ_STATE_FREE) { 2568 mpt_prt(mpt, "mpt_scsi_reply_handler: req already free\n"); 2569 return (TRUE); 2570 } 2571 2572 scsi_req = (MSG_SCSI_IO_REQUEST *)req->req_vbuf; 2573 ccb = req->ccb; 2574 if (ccb == NULL) { 2575 mpt_lprt(mpt, MPT_PRT_DEBUG, 2576 "mpt_scsi_reply_handler: req %p:%u with no ccb\n", 2577 req, req->serno); 2578 return (TRUE); 2579 } 2580 2581 mpt_req_untimeout(req, mpt_timeout, ccb); 2582 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 2583 2584 if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) { 2585 bus_dmasync_op_t op; 2586 2587 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) 2588 op = BUS_DMASYNC_POSTREAD; 2589 else 2590 op = BUS_DMASYNC_POSTWRITE; 2591 bus_dmamap_sync(mpt->buffer_dmat, req->dmap, op); 2592 bus_dmamap_unload(mpt->buffer_dmat, req->dmap); 2593 } 2594 2595 if (reply_frame == NULL) { 2596 /* 2597 * Context only reply, completion without error status. 2598 */ 2599 ccb->csio.resid = 0; 2600 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 2601 ccb->csio.scsi_status = SCSI_STATUS_OK; 2602 } else { 2603 mpt_scsi_reply_frame_handler(mpt, req, reply_frame); 2604 } 2605 2606 if (mpt->outofbeer) { 2607 ccb->ccb_h.status |= CAM_RELEASE_SIMQ; 2608 mpt->outofbeer = 0; 2609 mpt_lprt(mpt, MPT_PRT_DEBUG, "THAWQ\n"); 2610 } 2611 if (scsi_req->CDB[0] == INQUIRY && (scsi_req->CDB[1] & SI_EVPD) == 0) { 2612 struct scsi_inquiry_data *iq = 2613 (struct scsi_inquiry_data *)ccb->csio.data_ptr; 2614 if (scsi_req->Function == 2615 MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH) { 2616 /* 2617 * Fake out the device type so that only the 2618 * pass-thru device will attach. 2619 */ 2620 iq->device &= ~0x1F; 2621 iq->device |= T_NODEVICE; 2622 } 2623 } 2624 if (mpt->verbose == MPT_PRT_DEBUG) { 2625 mpt_prt(mpt, "mpt_scsi_reply_handler: %p:%u complete\n", 2626 req, req->serno); 2627 } 2628 KASSERT(ccb->ccb_h.status, ("zero ccb sts at %d", __LINE__)); 2629 xpt_done(ccb); 2630 if ((req->state & REQ_STATE_TIMEDOUT) == 0) { 2631 TAILQ_REMOVE(&mpt->request_pending_list, req, links); 2632 } else { 2633 mpt_lprt(mpt, MPT_PRT_DEBUG, 2634 "completing timedout/aborted req %p:%u\n", 2635 req, req->serno); 2636 TAILQ_REMOVE(&mpt->request_timeout_list, req, links); 2637 } 2638 KASSERT((req->state & REQ_STATE_NEED_WAKEUP) == 0, 2639 ("CCB req needed wakeup")); 2640 #ifdef INVARIANTS 2641 mpt_req_not_spcl(mpt, req, "mpt_scsi_reply_handler", __LINE__); 2642 #endif 2643 mpt_free_request(mpt, req); 2644 return (TRUE); 2645 } 2646 2647 static int 2648 mpt_scsi_tmf_reply_handler(struct mpt_softc *mpt, request_t *req, 2649 uint32_t reply_desc, MSG_DEFAULT_REPLY *reply_frame) 2650 { 2651 MSG_SCSI_TASK_MGMT_REPLY *tmf_reply; 2652 2653 KASSERT(req == mpt->tmf_req, ("TMF Reply not using mpt->tmf_req")); 2654 #ifdef INVARIANTS 2655 mpt_req_not_spcl(mpt, req, "mpt_scsi_tmf_reply_handler", __LINE__); 2656 #endif 2657 tmf_reply = (MSG_SCSI_TASK_MGMT_REPLY *)reply_frame; 2658 /* Record IOC Status and Response Code of TMF for any waiters. */ 2659 req->IOCStatus = le16toh(tmf_reply->IOCStatus); 2660 req->ResponseCode = tmf_reply->ResponseCode; 2661 2662 mpt_lprt(mpt, MPT_PRT_DEBUG, "TMF complete: req %p:%u status 0x%x\n", 2663 req, req->serno, le16toh(tmf_reply->IOCStatus)); 2664 TAILQ_REMOVE(&mpt->request_pending_list, req, links); 2665 if ((req->state & REQ_STATE_NEED_WAKEUP) != 0) { 2666 req->state |= REQ_STATE_DONE; 2667 wakeup(req); 2668 } else { 2669 mpt->tmf_req->state = REQ_STATE_FREE; 2670 } 2671 return (TRUE); 2672 } 2673 2674 /* 2675 * XXX: Move to definitions file 2676 */ 2677 #define ELS 0x22 2678 #define FC4LS 0x32 2679 #define ABTS 0x81 2680 #define BA_ACC 0x84 2681 2682 #define LS_RJT 0x01 2683 #define LS_ACC 0x02 2684 #define PLOGI 0x03 2685 #define LOGO 0x05 2686 #define SRR 0x14 2687 #define PRLI 0x20 2688 #define PRLO 0x21 2689 #define ADISC 0x52 2690 #define RSCN 0x61 2691 2692 static void 2693 mpt_fc_els_send_response(struct mpt_softc *mpt, request_t *req, 2694 PTR_MSG_LINK_SERVICE_BUFFER_POST_REPLY rp, U8 length) 2695 { 2696 uint32_t fl; 2697 MSG_LINK_SERVICE_RSP_REQUEST tmp; 2698 PTR_MSG_LINK_SERVICE_RSP_REQUEST rsp; 2699 2700 /* 2701 * We are going to reuse the ELS request to send this response back. 2702 */ 2703 rsp = &tmp; 2704 memset(rsp, 0, sizeof(*rsp)); 2705 2706 #ifdef USE_IMMEDIATE_LINK_DATA 2707 /* 2708 * Apparently the IMMEDIATE stuff doesn't seem to work. 2709 */ 2710 rsp->RspFlags = LINK_SERVICE_RSP_FLAGS_IMMEDIATE; 2711 #endif 2712 rsp->RspLength = length; 2713 rsp->Function = MPI_FUNCTION_FC_LINK_SRVC_RSP; 2714 rsp->MsgContext = htole32(req->index | fc_els_handler_id); 2715 2716 /* 2717 * Copy over information from the original reply frame to 2718 * it's correct place in the response. 2719 */ 2720 memcpy((U8 *)rsp + 0x0c, (U8 *)rp + 0x1c, 24); 2721 2722 /* 2723 * And now copy back the temporary area to the original frame. 2724 */ 2725 memcpy(req->req_vbuf, rsp, sizeof (MSG_LINK_SERVICE_RSP_REQUEST)); 2726 rsp = req->req_vbuf; 2727 2728 #ifdef USE_IMMEDIATE_LINK_DATA 2729 memcpy((U8 *)&rsp->SGL, &((U8 *)req->req_vbuf)[MPT_RQSL(mpt)], length); 2730 #else 2731 { 2732 PTR_SGE_SIMPLE32 se = (PTR_SGE_SIMPLE32) &rsp->SGL; 2733 bus_addr_t paddr = req->req_pbuf; 2734 paddr += MPT_RQSL(mpt); 2735 2736 fl = 2737 MPI_SGE_FLAGS_HOST_TO_IOC | 2738 MPI_SGE_FLAGS_SIMPLE_ELEMENT | 2739 MPI_SGE_FLAGS_LAST_ELEMENT | 2740 MPI_SGE_FLAGS_END_OF_LIST | 2741 MPI_SGE_FLAGS_END_OF_BUFFER; 2742 fl <<= MPI_SGE_FLAGS_SHIFT; 2743 fl |= (length); 2744 se->FlagsLength = htole32(fl); 2745 se->Address = htole32((uint32_t) paddr); 2746 } 2747 #endif 2748 2749 /* 2750 * Send it on... 2751 */ 2752 mpt_send_cmd(mpt, req); 2753 } 2754 2755 static int 2756 mpt_fc_els_reply_handler(struct mpt_softc *mpt, request_t *req, 2757 uint32_t reply_desc, MSG_DEFAULT_REPLY *reply_frame) 2758 { 2759 PTR_MSG_LINK_SERVICE_BUFFER_POST_REPLY rp = 2760 (PTR_MSG_LINK_SERVICE_BUFFER_POST_REPLY) reply_frame; 2761 U8 rctl; 2762 U8 type; 2763 U8 cmd; 2764 U16 status = le16toh(reply_frame->IOCStatus); 2765 U32 *elsbuf; 2766 int ioindex; 2767 int do_refresh = TRUE; 2768 2769 #ifdef INVARIANTS 2770 KASSERT(mpt_req_on_free_list(mpt, req) == 0, 2771 ("fc_els_reply_handler: req %p:%u for function %x on freelist!", 2772 req, req->serno, rp->Function)); 2773 if (rp->Function != MPI_FUNCTION_FC_PRIMITIVE_SEND) { 2774 mpt_req_spcl(mpt, req, "fc_els_reply_handler", __LINE__); 2775 } else { 2776 mpt_req_not_spcl(mpt, req, "fc_els_reply_handler", __LINE__); 2777 } 2778 #endif 2779 mpt_lprt(mpt, MPT_PRT_DEBUG, 2780 "FC_ELS Complete: req %p:%u, reply %p function %x\n", 2781 req, req->serno, reply_frame, reply_frame->Function); 2782 2783 if (status != MPI_IOCSTATUS_SUCCESS) { 2784 mpt_prt(mpt, "ELS REPLY STATUS 0x%x for Function %x\n", 2785 status, reply_frame->Function); 2786 if (status == MPI_IOCSTATUS_INVALID_STATE) { 2787 /* 2788 * XXX: to get around shutdown issue 2789 */ 2790 mpt->disabled = 1; 2791 return (TRUE); 2792 } 2793 return (TRUE); 2794 } 2795 2796 /* 2797 * If the function of a link service response, we recycle the 2798 * response to be a refresh for a new link service request. 2799 * 2800 * The request pointer is bogus in this case and we have to fetch 2801 * it based upon the TransactionContext. 2802 */ 2803 if (rp->Function == MPI_FUNCTION_FC_LINK_SRVC_RSP) { 2804 /* Freddie Uncle Charlie Katie */ 2805 /* We don't get the IOINDEX as part of the Link Svc Rsp */ 2806 for (ioindex = 0; ioindex < mpt->els_cmds_allocated; ioindex++) 2807 if (mpt->els_cmd_ptrs[ioindex] == req) { 2808 break; 2809 } 2810 2811 KASSERT(ioindex < mpt->els_cmds_allocated, 2812 ("can't find my mommie!")); 2813 2814 /* remove from active list as we're going to re-post it */ 2815 TAILQ_REMOVE(&mpt->request_pending_list, req, links); 2816 req->state &= ~REQ_STATE_QUEUED; 2817 req->state |= REQ_STATE_DONE; 2818 mpt_fc_post_els(mpt, req, ioindex); 2819 return (TRUE); 2820 } 2821 2822 if (rp->Function == MPI_FUNCTION_FC_PRIMITIVE_SEND) { 2823 /* remove from active list as we're done */ 2824 TAILQ_REMOVE(&mpt->request_pending_list, req, links); 2825 req->state &= ~REQ_STATE_QUEUED; 2826 req->state |= REQ_STATE_DONE; 2827 if (req->state & REQ_STATE_TIMEDOUT) { 2828 mpt_lprt(mpt, MPT_PRT_DEBUG, 2829 "Sync Primitive Send Completed After Timeout\n"); 2830 mpt_free_request(mpt, req); 2831 } else if ((req->state & REQ_STATE_NEED_WAKEUP) == 0) { 2832 mpt_lprt(mpt, MPT_PRT_DEBUG, 2833 "Async Primitive Send Complete\n"); 2834 mpt_free_request(mpt, req); 2835 } else { 2836 mpt_lprt(mpt, MPT_PRT_DEBUG, 2837 "Sync Primitive Send Complete- Waking Waiter\n"); 2838 wakeup(req); 2839 } 2840 return (TRUE); 2841 } 2842 2843 if (rp->Function != MPI_FUNCTION_FC_LINK_SRVC_BUF_POST) { 2844 mpt_prt(mpt, "unexpected ELS_REPLY: Function 0x%x Flags %x " 2845 "Length %d Message Flags %x\n", rp->Function, rp->Flags, 2846 rp->MsgLength, rp->MsgFlags); 2847 return (TRUE); 2848 } 2849 2850 if (rp->MsgLength <= 5) { 2851 /* 2852 * This is just a ack of an original ELS buffer post 2853 */ 2854 mpt_lprt(mpt, MPT_PRT_DEBUG, 2855 "RECV'd ACK of FC_ELS buf post %p:%u\n", req, req->serno); 2856 return (TRUE); 2857 } 2858 2859 rctl = (le32toh(rp->Rctl_Did) & MPI_FC_RCTL_MASK) >> MPI_FC_RCTL_SHIFT; 2860 type = (le32toh(rp->Type_Fctl) & MPI_FC_TYPE_MASK) >> MPI_FC_TYPE_SHIFT; 2861 2862 elsbuf = &((U32 *)req->req_vbuf)[MPT_RQSL(mpt)/sizeof (U32)]; 2863 cmd = be32toh(elsbuf[0]) >> 24; 2864 2865 if (rp->Flags & MPI_LS_BUF_POST_REPLY_FLAG_NO_RSP_NEEDED) { 2866 mpt_lprt(mpt, MPT_PRT_ALWAYS, "ELS_REPLY: response unneeded\n"); 2867 return (TRUE); 2868 } 2869 2870 ioindex = le32toh(rp->TransactionContext); 2871 req = mpt->els_cmd_ptrs[ioindex]; 2872 2873 if (rctl == ELS && type == 1) { 2874 switch (cmd) { 2875 case PRLI: 2876 /* 2877 * Send back a PRLI ACC 2878 */ 2879 mpt_prt(mpt, "PRLI from 0x%08x%08x\n", 2880 le32toh(rp->Wwn.PortNameHigh), 2881 le32toh(rp->Wwn.PortNameLow)); 2882 elsbuf[0] = htobe32(0x02100014); 2883 elsbuf[1] |= htobe32(0x00000100); 2884 elsbuf[4] = htobe32(0x00000002); 2885 if (mpt->role & MPT_ROLE_TARGET) 2886 elsbuf[4] |= htobe32(0x00000010); 2887 if (mpt->role & MPT_ROLE_INITIATOR) 2888 elsbuf[4] |= htobe32(0x00000020); 2889 /* remove from active list as we're done */ 2890 TAILQ_REMOVE(&mpt->request_pending_list, req, links); 2891 req->state &= ~REQ_STATE_QUEUED; 2892 req->state |= REQ_STATE_DONE; 2893 mpt_fc_els_send_response(mpt, req, rp, 20); 2894 do_refresh = FALSE; 2895 break; 2896 case PRLO: 2897 memset(elsbuf, 0, 5 * (sizeof (U32))); 2898 elsbuf[0] = htobe32(0x02100014); 2899 elsbuf[1] = htobe32(0x08000100); 2900 mpt_prt(mpt, "PRLO from 0x%08x%08x\n", 2901 le32toh(rp->Wwn.PortNameHigh), 2902 le32toh(rp->Wwn.PortNameLow)); 2903 /* remove from active list as we're done */ 2904 TAILQ_REMOVE(&mpt->request_pending_list, req, links); 2905 req->state &= ~REQ_STATE_QUEUED; 2906 req->state |= REQ_STATE_DONE; 2907 mpt_fc_els_send_response(mpt, req, rp, 20); 2908 do_refresh = FALSE; 2909 break; 2910 default: 2911 mpt_prt(mpt, "ELS TYPE 1 COMMAND: %x\n", cmd); 2912 break; 2913 } 2914 } else if (rctl == ABTS && type == 0) { 2915 uint16_t rx_id = le16toh(rp->Rxid); 2916 uint16_t ox_id = le16toh(rp->Oxid); 2917 mpt_tgt_state_t *tgt; 2918 request_t *tgt_req = NULL; 2919 union ccb *ccb; 2920 uint32_t ct_id; 2921 2922 mpt_prt(mpt, 2923 "ELS: ABTS OX_ID 0x%x RX_ID 0x%x from 0x%08x%08x\n", 2924 ox_id, rx_id, le32toh(rp->Wwn.PortNameHigh), 2925 le32toh(rp->Wwn.PortNameLow)); 2926 if (rx_id >= mpt->mpt_max_tgtcmds) { 2927 mpt_prt(mpt, "Bad RX_ID 0x%x\n", rx_id); 2928 } else if (mpt->tgt_cmd_ptrs == NULL) { 2929 mpt_prt(mpt, "No TGT CMD PTRS\n"); 2930 } else { 2931 tgt_req = mpt->tgt_cmd_ptrs[rx_id]; 2932 } 2933 if (tgt_req == NULL) { 2934 mpt_prt(mpt, "no back pointer for RX_ID 0x%x\n", rx_id); 2935 goto skip; 2936 } 2937 tgt = MPT_TGT_STATE(mpt, tgt_req); 2938 2939 /* Check to make sure we have the correct command. */ 2940 ct_id = GET_IO_INDEX(tgt->reply_desc); 2941 if (ct_id != rx_id) { 2942 mpt_lprt(mpt, MPT_PRT_ERROR, "ABORT Mismatch: " 2943 "RX_ID received=0x%x, in cmd=0x%x\n", rx_id, ct_id); 2944 goto skip; 2945 } 2946 if (tgt->itag != ox_id) { 2947 mpt_lprt(mpt, MPT_PRT_ERROR, "ABORT Mismatch: " 2948 "OX_ID received=0x%x, in cmd=0x%x\n", ox_id, tgt->itag); 2949 goto skip; 2950 } 2951 2952 if ((ccb = tgt->ccb) != NULL) { 2953 mpt_prt(mpt, "CCB (%p): lun %jx flags %x status %x\n", 2954 ccb, (uintmax_t)ccb->ccb_h.target_lun, 2955 ccb->ccb_h.flags, ccb->ccb_h.status); 2956 } 2957 mpt_prt(mpt, "target state 0x%x resid %u xfrd %u rpwrd " 2958 "%x nxfers %x\n", tgt->state, tgt->resid, 2959 tgt->bytes_xfered, tgt->reply_desc, tgt->nxfers); 2960 if (mpt_abort_target_cmd(mpt, tgt_req)) 2961 mpt_prt(mpt, "unable to start TargetAbort\n"); 2962 2963 skip: 2964 memset(elsbuf, 0, 5 * (sizeof (U32))); 2965 elsbuf[0] = htobe32(0); 2966 elsbuf[1] = htobe32((ox_id << 16) | rx_id); 2967 elsbuf[2] = htobe32(0x000ffff); 2968 /* 2969 * Dork with the reply frame so that the response to it 2970 * will be correct. 2971 */ 2972 rp->Rctl_Did += ((BA_ACC - ABTS) << MPI_FC_RCTL_SHIFT); 2973 /* remove from active list as we're done */ 2974 TAILQ_REMOVE(&mpt->request_pending_list, req, links); 2975 req->state &= ~REQ_STATE_QUEUED; 2976 req->state |= REQ_STATE_DONE; 2977 mpt_fc_els_send_response(mpt, req, rp, 12); 2978 do_refresh = FALSE; 2979 } else { 2980 mpt_prt(mpt, "ELS: RCTL %x TYPE %x CMD %x\n", rctl, type, cmd); 2981 } 2982 if (do_refresh == TRUE) { 2983 /* remove from active list as we're done */ 2984 TAILQ_REMOVE(&mpt->request_pending_list, req, links); 2985 req->state &= ~REQ_STATE_QUEUED; 2986 req->state |= REQ_STATE_DONE; 2987 mpt_fc_post_els(mpt, req, ioindex); 2988 } 2989 return (TRUE); 2990 } 2991 2992 /* 2993 * Clean up all SCSI Initiator personality state in response 2994 * to a controller reset. 2995 */ 2996 static void 2997 mpt_cam_ioc_reset(struct mpt_softc *mpt, int type) 2998 { 2999 3000 /* 3001 * The pending list is already run down by 3002 * the generic handler. Perform the same 3003 * operation on the timed out request list. 3004 */ 3005 mpt_complete_request_chain(mpt, &mpt->request_timeout_list, 3006 MPI_IOCSTATUS_INVALID_STATE); 3007 3008 /* 3009 * XXX: We need to repost ELS and Target Command Buffers? 3010 */ 3011 3012 /* 3013 * Inform the XPT that a bus reset has occurred. 3014 */ 3015 xpt_async(AC_BUS_RESET, mpt->path, NULL); 3016 } 3017 3018 /* 3019 * Parse additional completion information in the reply 3020 * frame for SCSI I/O requests. 3021 */ 3022 static int 3023 mpt_scsi_reply_frame_handler(struct mpt_softc *mpt, request_t *req, 3024 MSG_DEFAULT_REPLY *reply_frame) 3025 { 3026 union ccb *ccb; 3027 MSG_SCSI_IO_REPLY *scsi_io_reply; 3028 u_int ioc_status; 3029 u_int sstate; 3030 3031 MPT_DUMP_REPLY_FRAME(mpt, reply_frame); 3032 KASSERT(reply_frame->Function == MPI_FUNCTION_SCSI_IO_REQUEST 3033 || reply_frame->Function == MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH, 3034 ("MPT SCSI I/O Handler called with incorrect reply type")); 3035 KASSERT((reply_frame->MsgFlags & MPI_MSGFLAGS_CONTINUATION_REPLY) == 0, 3036 ("MPT SCSI I/O Handler called with continuation reply")); 3037 3038 scsi_io_reply = (MSG_SCSI_IO_REPLY *)reply_frame; 3039 ioc_status = le16toh(scsi_io_reply->IOCStatus); 3040 ioc_status &= MPI_IOCSTATUS_MASK; 3041 sstate = scsi_io_reply->SCSIState; 3042 3043 ccb = req->ccb; 3044 ccb->csio.resid = 3045 ccb->csio.dxfer_len - le32toh(scsi_io_reply->TransferCount); 3046 3047 if ((sstate & MPI_SCSI_STATE_AUTOSENSE_VALID) != 0 3048 && (ccb->ccb_h.flags & (CAM_SENSE_PHYS | CAM_SENSE_PTR)) == 0) { 3049 uint32_t sense_returned; 3050 3051 ccb->ccb_h.status |= CAM_AUTOSNS_VALID; 3052 3053 sense_returned = le32toh(scsi_io_reply->SenseCount); 3054 if (sense_returned < ccb->csio.sense_len) 3055 ccb->csio.sense_resid = ccb->csio.sense_len - 3056 sense_returned; 3057 else 3058 ccb->csio.sense_resid = 0; 3059 3060 bzero(&ccb->csio.sense_data, sizeof(ccb->csio.sense_data)); 3061 bcopy(req->sense_vbuf, &ccb->csio.sense_data, 3062 min(ccb->csio.sense_len, sense_returned)); 3063 } 3064 3065 if ((sstate & MPI_SCSI_STATE_QUEUE_TAG_REJECTED) != 0) { 3066 /* 3067 * Tag messages rejected, but non-tagged retry 3068 * was successful. 3069 XXXX 3070 mpt_set_tags(mpt, devinfo, MPT_QUEUE_NONE); 3071 */ 3072 } 3073 3074 switch(ioc_status) { 3075 case MPI_IOCSTATUS_SCSI_RESIDUAL_MISMATCH: 3076 /* 3077 * XXX 3078 * Linux driver indicates that a zero 3079 * transfer length with this error code 3080 * indicates a CRC error. 3081 * 3082 * No need to swap the bytes for checking 3083 * against zero. 3084 */ 3085 if (scsi_io_reply->TransferCount == 0) { 3086 mpt_set_ccb_status(ccb, CAM_UNCOR_PARITY); 3087 break; 3088 } 3089 /* FALLTHROUGH */ 3090 case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN: 3091 case MPI_IOCSTATUS_SUCCESS: 3092 case MPI_IOCSTATUS_SCSI_RECOVERED_ERROR: 3093 if ((sstate & MPI_SCSI_STATE_NO_SCSI_STATUS) != 0) { 3094 /* 3095 * Status was never returned for this transaction. 3096 */ 3097 mpt_set_ccb_status(ccb, CAM_UNEXP_BUSFREE); 3098 } else if (scsi_io_reply->SCSIStatus != SCSI_STATUS_OK) { 3099 ccb->csio.scsi_status = scsi_io_reply->SCSIStatus; 3100 mpt_set_ccb_status(ccb, CAM_SCSI_STATUS_ERROR); 3101 if ((sstate & MPI_SCSI_STATE_AUTOSENSE_FAILED) != 0) 3102 mpt_set_ccb_status(ccb, CAM_AUTOSENSE_FAIL); 3103 } else if ((sstate & MPI_SCSI_STATE_RESPONSE_INFO_VALID) != 0) { 3104 /* XXX Handle SPI-Packet and FCP-2 response info. */ 3105 mpt_set_ccb_status(ccb, CAM_REQ_CMP_ERR); 3106 } else 3107 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 3108 break; 3109 case MPI_IOCSTATUS_SCSI_DATA_OVERRUN: 3110 mpt_set_ccb_status(ccb, CAM_DATA_RUN_ERR); 3111 break; 3112 case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR: 3113 mpt_set_ccb_status(ccb, CAM_UNCOR_PARITY); 3114 break; 3115 case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE: 3116 /* 3117 * Since selection timeouts and "device really not 3118 * there" are grouped into this error code, report 3119 * selection timeout. Selection timeouts are 3120 * typically retried before giving up on the device 3121 * whereas "device not there" errors are considered 3122 * unretryable. 3123 */ 3124 mpt_set_ccb_status(ccb, CAM_SEL_TIMEOUT); 3125 break; 3126 case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR: 3127 mpt_set_ccb_status(ccb, CAM_SEQUENCE_FAIL); 3128 break; 3129 case MPI_IOCSTATUS_SCSI_INVALID_BUS: 3130 mpt_set_ccb_status(ccb, CAM_PATH_INVALID); 3131 break; 3132 case MPI_IOCSTATUS_SCSI_INVALID_TARGETID: 3133 mpt_set_ccb_status(ccb, CAM_TID_INVALID); 3134 break; 3135 case MPI_IOCSTATUS_SCSI_TASK_MGMT_FAILED: 3136 ccb->ccb_h.status = CAM_UA_TERMIO; 3137 break; 3138 case MPI_IOCSTATUS_INVALID_STATE: 3139 /* 3140 * The IOC has been reset. Emulate a bus reset. 3141 */ 3142 /* FALLTHROUGH */ 3143 case MPI_IOCSTATUS_SCSI_EXT_TERMINATED: 3144 ccb->ccb_h.status = CAM_SCSI_BUS_RESET; 3145 break; 3146 case MPI_IOCSTATUS_SCSI_TASK_TERMINATED: 3147 case MPI_IOCSTATUS_SCSI_IOC_TERMINATED: 3148 /* 3149 * Don't clobber any timeout status that has 3150 * already been set for this transaction. We 3151 * want the SCSI layer to be able to differentiate 3152 * between the command we aborted due to timeout 3153 * and any innocent bystanders. 3154 */ 3155 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_INPROG) 3156 break; 3157 mpt_set_ccb_status(ccb, CAM_REQ_TERMIO); 3158 break; 3159 3160 case MPI_IOCSTATUS_INSUFFICIENT_RESOURCES: 3161 mpt_set_ccb_status(ccb, CAM_RESRC_UNAVAIL); 3162 break; 3163 case MPI_IOCSTATUS_BUSY: 3164 mpt_set_ccb_status(ccb, CAM_BUSY); 3165 break; 3166 case MPI_IOCSTATUS_INVALID_FUNCTION: 3167 case MPI_IOCSTATUS_INVALID_SGL: 3168 case MPI_IOCSTATUS_INTERNAL_ERROR: 3169 case MPI_IOCSTATUS_INVALID_FIELD: 3170 default: 3171 /* XXX 3172 * Some of the above may need to kick 3173 * of a recovery action!!!! 3174 */ 3175 ccb->ccb_h.status = CAM_UNREC_HBA_ERROR; 3176 break; 3177 } 3178 3179 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 3180 mpt_freeze_ccb(ccb); 3181 } 3182 3183 return (TRUE); 3184 } 3185 3186 static void 3187 mpt_action(struct cam_sim *sim, union ccb *ccb) 3188 { 3189 struct mpt_softc *mpt; 3190 struct ccb_trans_settings *cts; 3191 target_id_t tgt; 3192 lun_id_t lun; 3193 int raid_passthru; 3194 3195 CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE, ("mpt_action\n")); 3196 3197 mpt = (struct mpt_softc *)cam_sim_softc(sim); 3198 raid_passthru = (sim == mpt->phydisk_sim); 3199 MPT_LOCK_ASSERT(mpt); 3200 3201 tgt = ccb->ccb_h.target_id; 3202 lun = ccb->ccb_h.target_lun; 3203 if (raid_passthru && 3204 ccb->ccb_h.func_code != XPT_PATH_INQ && 3205 ccb->ccb_h.func_code != XPT_RESET_BUS && 3206 ccb->ccb_h.func_code != XPT_RESET_DEV) { 3207 if (mpt_map_physdisk(mpt, ccb, &tgt) != 0) { 3208 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 3209 mpt_set_ccb_status(ccb, CAM_DEV_NOT_THERE); 3210 xpt_done(ccb); 3211 return; 3212 } 3213 } 3214 ccb->ccb_h.ccb_mpt_ptr = mpt; 3215 3216 switch (ccb->ccb_h.func_code) { 3217 case XPT_SCSI_IO: /* Execute the requested I/O operation */ 3218 /* 3219 * Do a couple of preliminary checks... 3220 */ 3221 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0) { 3222 if ((ccb->ccb_h.flags & CAM_CDB_PHYS) != 0) { 3223 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 3224 mpt_set_ccb_status(ccb, CAM_REQ_INVALID); 3225 break; 3226 } 3227 } 3228 /* Max supported CDB length is 16 bytes */ 3229 /* XXX Unless we implement the new 32byte message type */ 3230 if (ccb->csio.cdb_len > 3231 sizeof (((PTR_MSG_SCSI_IO_REQUEST)0)->CDB)) { 3232 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 3233 mpt_set_ccb_status(ccb, CAM_REQ_INVALID); 3234 break; 3235 } 3236 #ifdef MPT_TEST_MULTIPATH 3237 if (mpt->failure_id == ccb->ccb_h.target_id) { 3238 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 3239 mpt_set_ccb_status(ccb, CAM_SEL_TIMEOUT); 3240 break; 3241 } 3242 #endif 3243 ccb->csio.scsi_status = SCSI_STATUS_OK; 3244 mpt_start(sim, ccb); 3245 return; 3246 3247 case XPT_RESET_BUS: 3248 if (raid_passthru) { 3249 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 3250 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 3251 break; 3252 } 3253 case XPT_RESET_DEV: 3254 if (ccb->ccb_h.func_code == XPT_RESET_BUS) { 3255 if (bootverbose) { 3256 xpt_print(ccb->ccb_h.path, "reset bus\n"); 3257 } 3258 } else { 3259 xpt_print(ccb->ccb_h.path, "reset device\n"); 3260 } 3261 (void) mpt_bus_reset(mpt, tgt, lun, FALSE); 3262 3263 /* 3264 * mpt_bus_reset is always successful in that it 3265 * will fall back to a hard reset should a bus 3266 * reset attempt fail. 3267 */ 3268 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 3269 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 3270 break; 3271 3272 case XPT_ABORT: 3273 { 3274 union ccb *accb = ccb->cab.abort_ccb; 3275 switch (accb->ccb_h.func_code) { 3276 case XPT_ACCEPT_TARGET_IO: 3277 case XPT_IMMEDIATE_NOTIFY: 3278 ccb->ccb_h.status = mpt_abort_target_ccb(mpt, ccb); 3279 break; 3280 case XPT_CONT_TARGET_IO: 3281 mpt_prt(mpt, "cannot abort active CTIOs yet\n"); 3282 ccb->ccb_h.status = CAM_UA_ABORT; 3283 break; 3284 case XPT_SCSI_IO: 3285 ccb->ccb_h.status = CAM_UA_ABORT; 3286 break; 3287 default: 3288 ccb->ccb_h.status = CAM_REQ_INVALID; 3289 break; 3290 } 3291 break; 3292 } 3293 3294 #define IS_CURRENT_SETTINGS(c) ((c)->type == CTS_TYPE_CURRENT_SETTINGS) 3295 3296 #define DP_DISC_ENABLE 0x1 3297 #define DP_DISC_DISABL 0x2 3298 #define DP_DISC (DP_DISC_ENABLE|DP_DISC_DISABL) 3299 3300 #define DP_TQING_ENABLE 0x4 3301 #define DP_TQING_DISABL 0x8 3302 #define DP_TQING (DP_TQING_ENABLE|DP_TQING_DISABL) 3303 3304 #define DP_WIDE 0x10 3305 #define DP_NARROW 0x20 3306 #define DP_WIDTH (DP_WIDE|DP_NARROW) 3307 3308 #define DP_SYNC 0x40 3309 3310 case XPT_SET_TRAN_SETTINGS: /* Nexus Settings */ 3311 { 3312 struct ccb_trans_settings_scsi *scsi; 3313 struct ccb_trans_settings_spi *spi; 3314 uint8_t dval; 3315 u_int period; 3316 u_int offset; 3317 int i, j; 3318 3319 cts = &ccb->cts; 3320 3321 if (mpt->is_fc || mpt->is_sas) { 3322 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 3323 break; 3324 } 3325 3326 scsi = &cts->proto_specific.scsi; 3327 spi = &cts->xport_specific.spi; 3328 3329 /* 3330 * We can be called just to valid transport and proto versions 3331 */ 3332 if (scsi->valid == 0 && spi->valid == 0) { 3333 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 3334 break; 3335 } 3336 3337 /* 3338 * Skip attempting settings on RAID volume disks. 3339 * Other devices on the bus get the normal treatment. 3340 */ 3341 if (mpt->phydisk_sim && raid_passthru == 0 && 3342 mpt_is_raid_volume(mpt, tgt) != 0) { 3343 mpt_lprt(mpt, MPT_PRT_NEGOTIATION, 3344 "no transfer settings for RAID vols\n"); 3345 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 3346 break; 3347 } 3348 3349 i = mpt->mpt_port_page2.PortSettings & 3350 MPI_SCSIPORTPAGE2_PORT_MASK_NEGO_MASTER_SETTINGS; 3351 j = mpt->mpt_port_page2.PortFlags & 3352 MPI_SCSIPORTPAGE2_PORT_FLAGS_DV_MASK; 3353 if (i == MPI_SCSIPORTPAGE2_PORT_ALL_MASTER_SETTINGS && 3354 j == MPI_SCSIPORTPAGE2_PORT_FLAGS_OFF_DV) { 3355 mpt_lprt(mpt, MPT_PRT_ALWAYS, 3356 "honoring BIOS transfer negotiations\n"); 3357 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 3358 break; 3359 } 3360 3361 dval = 0; 3362 period = 0; 3363 offset = 0; 3364 3365 if ((spi->valid & CTS_SPI_VALID_DISC) != 0) { 3366 dval |= ((spi->flags & CTS_SPI_FLAGS_DISC_ENB) != 0) ? 3367 DP_DISC_ENABLE : DP_DISC_DISABL; 3368 } 3369 3370 if ((scsi->valid & CTS_SCSI_VALID_TQ) != 0) { 3371 dval |= ((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0) ? 3372 DP_TQING_ENABLE : DP_TQING_DISABL; 3373 } 3374 3375 if ((spi->valid & CTS_SPI_VALID_BUS_WIDTH) != 0) { 3376 dval |= (spi->bus_width == MSG_EXT_WDTR_BUS_16_BIT) ? 3377 DP_WIDE : DP_NARROW; 3378 } 3379 3380 if (spi->valid & CTS_SPI_VALID_SYNC_OFFSET) { 3381 dval |= DP_SYNC; 3382 offset = spi->sync_offset; 3383 } else { 3384 PTR_CONFIG_PAGE_SCSI_DEVICE_1 ptr = 3385 &mpt->mpt_dev_page1[tgt]; 3386 offset = ptr->RequestedParameters; 3387 offset &= MPI_SCSIDEVPAGE1_RP_MAX_SYNC_OFFSET_MASK; 3388 offset >>= MPI_SCSIDEVPAGE1_RP_SHIFT_MAX_SYNC_OFFSET; 3389 } 3390 if (spi->valid & CTS_SPI_VALID_SYNC_RATE) { 3391 dval |= DP_SYNC; 3392 period = spi->sync_period; 3393 } else { 3394 PTR_CONFIG_PAGE_SCSI_DEVICE_1 ptr = 3395 &mpt->mpt_dev_page1[tgt]; 3396 period = ptr->RequestedParameters; 3397 period &= MPI_SCSIDEVPAGE1_RP_MIN_SYNC_PERIOD_MASK; 3398 period >>= MPI_SCSIDEVPAGE1_RP_SHIFT_MIN_SYNC_PERIOD; 3399 } 3400 3401 if (dval & DP_DISC_ENABLE) { 3402 mpt->mpt_disc_enable |= (1 << tgt); 3403 } else if (dval & DP_DISC_DISABL) { 3404 mpt->mpt_disc_enable &= ~(1 << tgt); 3405 } 3406 if (dval & DP_TQING_ENABLE) { 3407 mpt->mpt_tag_enable |= (1 << tgt); 3408 } else if (dval & DP_TQING_DISABL) { 3409 mpt->mpt_tag_enable &= ~(1 << tgt); 3410 } 3411 if (dval & DP_WIDTH) { 3412 mpt_setwidth(mpt, tgt, 1); 3413 } 3414 if (dval & DP_SYNC) { 3415 mpt_setsync(mpt, tgt, period, offset); 3416 } 3417 if (dval == 0) { 3418 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 3419 break; 3420 } 3421 mpt_lprt(mpt, MPT_PRT_NEGOTIATION, 3422 "set [%d]: 0x%x period 0x%x offset %d\n", 3423 tgt, dval, period, offset); 3424 if (mpt_update_spi_config(mpt, tgt)) { 3425 mpt_set_ccb_status(ccb, CAM_REQ_CMP_ERR); 3426 } else { 3427 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 3428 } 3429 break; 3430 } 3431 case XPT_GET_TRAN_SETTINGS: 3432 { 3433 struct ccb_trans_settings_scsi *scsi; 3434 cts = &ccb->cts; 3435 cts->protocol = PROTO_SCSI; 3436 if (mpt->is_fc) { 3437 struct ccb_trans_settings_fc *fc = 3438 &cts->xport_specific.fc; 3439 cts->protocol_version = SCSI_REV_SPC; 3440 cts->transport = XPORT_FC; 3441 cts->transport_version = 0; 3442 if (mpt->mpt_fcport_speed != 0) { 3443 fc->valid = CTS_FC_VALID_SPEED; 3444 fc->bitrate = 100000 * mpt->mpt_fcport_speed; 3445 } 3446 } else if (mpt->is_sas) { 3447 struct ccb_trans_settings_sas *sas = 3448 &cts->xport_specific.sas; 3449 cts->protocol_version = SCSI_REV_SPC2; 3450 cts->transport = XPORT_SAS; 3451 cts->transport_version = 0; 3452 sas->valid = CTS_SAS_VALID_SPEED; 3453 sas->bitrate = 300000; 3454 } else { 3455 cts->protocol_version = SCSI_REV_2; 3456 cts->transport = XPORT_SPI; 3457 cts->transport_version = 2; 3458 if (mpt_get_spi_settings(mpt, cts) != 0) { 3459 mpt_set_ccb_status(ccb, CAM_REQ_CMP_ERR); 3460 break; 3461 } 3462 } 3463 scsi = &cts->proto_specific.scsi; 3464 scsi->valid = CTS_SCSI_VALID_TQ; 3465 scsi->flags = CTS_SCSI_FLAGS_TAG_ENB; 3466 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 3467 break; 3468 } 3469 case XPT_CALC_GEOMETRY: 3470 { 3471 struct ccb_calc_geometry *ccg; 3472 3473 ccg = &ccb->ccg; 3474 if (ccg->block_size == 0) { 3475 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 3476 mpt_set_ccb_status(ccb, CAM_REQ_INVALID); 3477 break; 3478 } 3479 cam_calc_geometry(ccg, /* extended */ 1); 3480 KASSERT(ccb->ccb_h.status, ("zero ccb sts at %d", __LINE__)); 3481 break; 3482 } 3483 case XPT_GET_SIM_KNOB: 3484 { 3485 struct ccb_sim_knob *kp = &ccb->knob; 3486 3487 if (mpt->is_fc) { 3488 kp->xport_specific.fc.wwnn = mpt->scinfo.fc.wwnn; 3489 kp->xport_specific.fc.wwpn = mpt->scinfo.fc.wwpn; 3490 switch (mpt->role) { 3491 case MPT_ROLE_NONE: 3492 kp->xport_specific.fc.role = KNOB_ROLE_NONE; 3493 break; 3494 case MPT_ROLE_INITIATOR: 3495 kp->xport_specific.fc.role = KNOB_ROLE_INITIATOR; 3496 break; 3497 case MPT_ROLE_TARGET: 3498 kp->xport_specific.fc.role = KNOB_ROLE_TARGET; 3499 break; 3500 case MPT_ROLE_BOTH: 3501 kp->xport_specific.fc.role = KNOB_ROLE_BOTH; 3502 break; 3503 } 3504 kp->xport_specific.fc.valid = 3505 KNOB_VALID_ADDRESS | KNOB_VALID_ROLE; 3506 ccb->ccb_h.status = CAM_REQ_CMP; 3507 } else { 3508 ccb->ccb_h.status = CAM_REQ_INVALID; 3509 } 3510 xpt_done(ccb); 3511 break; 3512 } 3513 case XPT_PATH_INQ: /* Path routing inquiry */ 3514 { 3515 struct ccb_pathinq *cpi = &ccb->cpi; 3516 3517 cpi->version_num = 1; 3518 cpi->target_sprt = 0; 3519 cpi->hba_eng_cnt = 0; 3520 cpi->max_target = mpt->port_facts[0].MaxDevices - 1; 3521 cpi->maxio = (mpt->max_cam_seg_cnt - 1) * PAGE_SIZE; 3522 /* 3523 * FC cards report MAX_DEVICES of 512, but 3524 * the MSG_SCSI_IO_REQUEST target id field 3525 * is only 8 bits. Until we fix the driver 3526 * to support 'channels' for bus overflow, 3527 * just limit it. 3528 */ 3529 if (cpi->max_target > 255) { 3530 cpi->max_target = 255; 3531 } 3532 3533 /* 3534 * VMware ESX reports > 16 devices and then dies when we probe. 3535 */ 3536 if (mpt->is_spi && cpi->max_target > 15) { 3537 cpi->max_target = 15; 3538 } 3539 if (mpt->is_spi) 3540 cpi->max_lun = 7; 3541 else 3542 cpi->max_lun = MPT_MAX_LUNS; 3543 cpi->initiator_id = mpt->mpt_ini_id; 3544 cpi->bus_id = cam_sim_bus(sim); 3545 3546 /* 3547 * The base speed is the speed of the underlying connection. 3548 */ 3549 cpi->protocol = PROTO_SCSI; 3550 if (mpt->is_fc) { 3551 cpi->hba_misc = PIM_NOBUSRESET | PIM_UNMAPPED | 3552 PIM_EXTLUNS; 3553 cpi->base_transfer_speed = 100000; 3554 cpi->hba_inquiry = PI_TAG_ABLE; 3555 cpi->transport = XPORT_FC; 3556 cpi->transport_version = 0; 3557 cpi->protocol_version = SCSI_REV_SPC; 3558 cpi->xport_specific.fc.wwnn = mpt->scinfo.fc.wwnn; 3559 cpi->xport_specific.fc.wwpn = mpt->scinfo.fc.wwpn; 3560 cpi->xport_specific.fc.port = mpt->scinfo.fc.portid; 3561 cpi->xport_specific.fc.bitrate = 3562 100000 * mpt->mpt_fcport_speed; 3563 } else if (mpt->is_sas) { 3564 cpi->hba_misc = PIM_NOBUSRESET | PIM_UNMAPPED | 3565 PIM_EXTLUNS; 3566 cpi->base_transfer_speed = 300000; 3567 cpi->hba_inquiry = PI_TAG_ABLE; 3568 cpi->transport = XPORT_SAS; 3569 cpi->transport_version = 0; 3570 cpi->protocol_version = SCSI_REV_SPC2; 3571 } else { 3572 cpi->hba_misc = PIM_SEQSCAN | PIM_UNMAPPED | 3573 PIM_EXTLUNS; 3574 cpi->base_transfer_speed = 3300; 3575 cpi->hba_inquiry = PI_SDTR_ABLE|PI_TAG_ABLE|PI_WIDE_16; 3576 cpi->transport = XPORT_SPI; 3577 cpi->transport_version = 2; 3578 cpi->protocol_version = SCSI_REV_2; 3579 } 3580 3581 /* 3582 * We give our fake RAID passhtru bus a width that is MaxVolumes 3583 * wide and restrict it to one lun. 3584 */ 3585 if (raid_passthru) { 3586 cpi->max_target = mpt->ioc_page2->MaxPhysDisks - 1; 3587 cpi->initiator_id = cpi->max_target + 1; 3588 cpi->max_lun = 0; 3589 } 3590 3591 if ((mpt->role & MPT_ROLE_INITIATOR) == 0) { 3592 cpi->hba_misc |= PIM_NOINITIATOR; 3593 } 3594 if (mpt->is_fc && (mpt->role & MPT_ROLE_TARGET)) { 3595 cpi->target_sprt = 3596 PIT_PROCESSOR | PIT_DISCONNECT | PIT_TERM_IO; 3597 } else { 3598 cpi->target_sprt = 0; 3599 } 3600 strlcpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); 3601 strlcpy(cpi->hba_vid, "LSI", HBA_IDLEN); 3602 strlcpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN); 3603 cpi->unit_number = cam_sim_unit(sim); 3604 cpi->ccb_h.status = CAM_REQ_CMP; 3605 break; 3606 } 3607 case XPT_EN_LUN: /* Enable LUN as a target */ 3608 { 3609 int result; 3610 3611 if (ccb->cel.enable) 3612 result = mpt_enable_lun(mpt, 3613 ccb->ccb_h.target_id, ccb->ccb_h.target_lun); 3614 else 3615 result = mpt_disable_lun(mpt, 3616 ccb->ccb_h.target_id, ccb->ccb_h.target_lun); 3617 if (result == 0) { 3618 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 3619 } else { 3620 mpt_set_ccb_status(ccb, CAM_REQ_CMP_ERR); 3621 } 3622 break; 3623 } 3624 case XPT_IMMEDIATE_NOTIFY: /* Add Immediate Notify Resource */ 3625 case XPT_ACCEPT_TARGET_IO: /* Add Accept Target IO Resource */ 3626 { 3627 tgt_resource_t *trtp; 3628 lun_id_t lun = ccb->ccb_h.target_lun; 3629 ccb->ccb_h.sim_priv.entries[0].field = 0; 3630 ccb->ccb_h.sim_priv.entries[1].ptr = mpt; 3631 3632 if (lun == CAM_LUN_WILDCARD) { 3633 if (ccb->ccb_h.target_id != CAM_TARGET_WILDCARD) { 3634 mpt_set_ccb_status(ccb, CAM_REQ_INVALID); 3635 break; 3636 } 3637 trtp = &mpt->trt_wildcard; 3638 } else if (lun >= MPT_MAX_LUNS) { 3639 mpt_set_ccb_status(ccb, CAM_REQ_INVALID); 3640 break; 3641 } else { 3642 trtp = &mpt->trt[lun]; 3643 } 3644 if (ccb->ccb_h.func_code == XPT_ACCEPT_TARGET_IO) { 3645 mpt_lprt(mpt, MPT_PRT_DEBUG1, 3646 "Put FREE ATIO %p lun %jx\n", ccb, (uintmax_t)lun); 3647 STAILQ_INSERT_TAIL(&trtp->atios, &ccb->ccb_h, 3648 sim_links.stqe); 3649 } else { 3650 mpt_lprt(mpt, MPT_PRT_DEBUG1, 3651 "Put FREE INOT lun %jx\n", (uintmax_t)lun); 3652 STAILQ_INSERT_TAIL(&trtp->inots, &ccb->ccb_h, 3653 sim_links.stqe); 3654 } 3655 mpt_set_ccb_status(ccb, CAM_REQ_INPROG); 3656 return; 3657 } 3658 case XPT_NOTIFY_ACKNOWLEDGE: /* Task management request done. */ 3659 { 3660 request_t *req = MPT_TAG_2_REQ(mpt, ccb->cna2.tag_id); 3661 3662 mpt_lprt(mpt, MPT_PRT_DEBUG, "Got Notify ACK\n"); 3663 mpt_scsi_tgt_status(mpt, NULL, req, 0, NULL, 0); 3664 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 3665 break; 3666 } 3667 case XPT_CONT_TARGET_IO: 3668 mpt_target_start_io(mpt, ccb); 3669 return; 3670 3671 default: 3672 ccb->ccb_h.status = CAM_REQ_INVALID; 3673 break; 3674 } 3675 xpt_done(ccb); 3676 } 3677 3678 static int 3679 mpt_get_spi_settings(struct mpt_softc *mpt, struct ccb_trans_settings *cts) 3680 { 3681 struct ccb_trans_settings_scsi *scsi = &cts->proto_specific.scsi; 3682 struct ccb_trans_settings_spi *spi = &cts->xport_specific.spi; 3683 target_id_t tgt; 3684 uint32_t dval, pval, oval; 3685 int rv; 3686 3687 if (IS_CURRENT_SETTINGS(cts) == 0) { 3688 tgt = cts->ccb_h.target_id; 3689 } else if (xpt_path_sim(cts->ccb_h.path) == mpt->phydisk_sim) { 3690 if (mpt_map_physdisk(mpt, (union ccb *)cts, &tgt)) { 3691 return (-1); 3692 } 3693 } else { 3694 tgt = cts->ccb_h.target_id; 3695 } 3696 3697 /* 3698 * We aren't looking at Port Page 2 BIOS settings here- 3699 * sometimes these have been known to be bogus XXX. 3700 * 3701 * For user settings, we pick the max from port page 0 3702 * 3703 * For current settings we read the current settings out from 3704 * device page 0 for that target. 3705 */ 3706 if (IS_CURRENT_SETTINGS(cts)) { 3707 CONFIG_PAGE_SCSI_DEVICE_0 tmp; 3708 dval = 0; 3709 3710 tmp = mpt->mpt_dev_page0[tgt]; 3711 rv = mpt_read_cur_cfg_page(mpt, tgt, &tmp.Header, 3712 sizeof(tmp), FALSE, 5000); 3713 if (rv) { 3714 mpt_prt(mpt, "can't get tgt %d config page 0\n", tgt); 3715 return (rv); 3716 } 3717 mpt2host_config_page_scsi_device_0(&tmp); 3718 3719 mpt_lprt(mpt, MPT_PRT_DEBUG, 3720 "mpt_get_spi_settings[%d]: current NP %x Info %x\n", tgt, 3721 tmp.NegotiatedParameters, tmp.Information); 3722 dval |= (tmp.NegotiatedParameters & MPI_SCSIDEVPAGE0_NP_WIDE) ? 3723 DP_WIDE : DP_NARROW; 3724 dval |= (mpt->mpt_disc_enable & (1 << tgt)) ? 3725 DP_DISC_ENABLE : DP_DISC_DISABL; 3726 dval |= (mpt->mpt_tag_enable & (1 << tgt)) ? 3727 DP_TQING_ENABLE : DP_TQING_DISABL; 3728 oval = tmp.NegotiatedParameters; 3729 oval &= MPI_SCSIDEVPAGE0_NP_NEG_SYNC_OFFSET_MASK; 3730 oval >>= MPI_SCSIDEVPAGE0_NP_SHIFT_SYNC_OFFSET; 3731 pval = tmp.NegotiatedParameters; 3732 pval &= MPI_SCSIDEVPAGE0_NP_NEG_SYNC_PERIOD_MASK; 3733 pval >>= MPI_SCSIDEVPAGE0_NP_SHIFT_SYNC_PERIOD; 3734 mpt->mpt_dev_page0[tgt] = tmp; 3735 } else { 3736 dval = DP_WIDE|DP_DISC_ENABLE|DP_TQING_ENABLE|DP_SYNC; 3737 oval = mpt->mpt_port_page0.Capabilities; 3738 oval = MPI_SCSIPORTPAGE0_CAP_GET_MAX_SYNC_OFFSET(oval); 3739 pval = mpt->mpt_port_page0.Capabilities; 3740 pval = MPI_SCSIPORTPAGE0_CAP_GET_MIN_SYNC_PERIOD(pval); 3741 } 3742 3743 spi->valid = 0; 3744 scsi->valid = 0; 3745 spi->flags = 0; 3746 scsi->flags = 0; 3747 spi->sync_offset = oval; 3748 spi->sync_period = pval; 3749 spi->valid |= CTS_SPI_VALID_SYNC_OFFSET; 3750 spi->valid |= CTS_SPI_VALID_SYNC_RATE; 3751 spi->valid |= CTS_SPI_VALID_BUS_WIDTH; 3752 if (dval & DP_WIDE) { 3753 spi->bus_width = MSG_EXT_WDTR_BUS_16_BIT; 3754 } else { 3755 spi->bus_width = MSG_EXT_WDTR_BUS_8_BIT; 3756 } 3757 if (cts->ccb_h.target_lun != CAM_LUN_WILDCARD) { 3758 scsi->valid = CTS_SCSI_VALID_TQ; 3759 if (dval & DP_TQING_ENABLE) { 3760 scsi->flags |= CTS_SCSI_FLAGS_TAG_ENB; 3761 } 3762 spi->valid |= CTS_SPI_VALID_DISC; 3763 if (dval & DP_DISC_ENABLE) { 3764 spi->flags |= CTS_SPI_FLAGS_DISC_ENB; 3765 } 3766 } 3767 3768 mpt_lprt(mpt, MPT_PRT_NEGOTIATION, 3769 "mpt_get_spi_settings[%d]: %s flags 0x%x per 0x%x off=%d\n", tgt, 3770 IS_CURRENT_SETTINGS(cts) ? "ACTIVE" : "NVRAM ", dval, pval, oval); 3771 return (0); 3772 } 3773 3774 static void 3775 mpt_setwidth(struct mpt_softc *mpt, int tgt, int onoff) 3776 { 3777 PTR_CONFIG_PAGE_SCSI_DEVICE_1 ptr; 3778 3779 ptr = &mpt->mpt_dev_page1[tgt]; 3780 if (onoff) { 3781 ptr->RequestedParameters |= MPI_SCSIDEVPAGE1_RP_WIDE; 3782 } else { 3783 ptr->RequestedParameters &= ~MPI_SCSIDEVPAGE1_RP_WIDE; 3784 } 3785 } 3786 3787 static void 3788 mpt_setsync(struct mpt_softc *mpt, int tgt, int period, int offset) 3789 { 3790 PTR_CONFIG_PAGE_SCSI_DEVICE_1 ptr; 3791 3792 ptr = &mpt->mpt_dev_page1[tgt]; 3793 ptr->RequestedParameters &= ~MPI_SCSIDEVPAGE1_RP_MIN_SYNC_PERIOD_MASK; 3794 ptr->RequestedParameters &= ~MPI_SCSIDEVPAGE1_RP_MAX_SYNC_OFFSET_MASK; 3795 ptr->RequestedParameters &= ~MPI_SCSIDEVPAGE1_RP_DT; 3796 ptr->RequestedParameters &= ~MPI_SCSIDEVPAGE1_RP_QAS; 3797 ptr->RequestedParameters &= ~MPI_SCSIDEVPAGE1_RP_IU; 3798 if (period == 0) { 3799 return; 3800 } 3801 ptr->RequestedParameters |= 3802 period << MPI_SCSIDEVPAGE1_RP_SHIFT_MIN_SYNC_PERIOD; 3803 ptr->RequestedParameters |= 3804 offset << MPI_SCSIDEVPAGE1_RP_SHIFT_MAX_SYNC_OFFSET; 3805 if (period < 0xa) { 3806 ptr->RequestedParameters |= MPI_SCSIDEVPAGE1_RP_DT; 3807 } 3808 if (period < 0x9) { 3809 ptr->RequestedParameters |= MPI_SCSIDEVPAGE1_RP_QAS; 3810 ptr->RequestedParameters |= MPI_SCSIDEVPAGE1_RP_IU; 3811 } 3812 } 3813 3814 static int 3815 mpt_update_spi_config(struct mpt_softc *mpt, int tgt) 3816 { 3817 CONFIG_PAGE_SCSI_DEVICE_1 tmp; 3818 int rv; 3819 3820 mpt_lprt(mpt, MPT_PRT_NEGOTIATION, 3821 "mpt_update_spi_config[%d].page1: Requested Params 0x%08x\n", 3822 tgt, mpt->mpt_dev_page1[tgt].RequestedParameters); 3823 tmp = mpt->mpt_dev_page1[tgt]; 3824 host2mpt_config_page_scsi_device_1(&tmp); 3825 rv = mpt_write_cur_cfg_page(mpt, tgt, 3826 &tmp.Header, sizeof(tmp), FALSE, 5000); 3827 if (rv) { 3828 mpt_prt(mpt, "mpt_update_spi_config: write cur page failed\n"); 3829 return (-1); 3830 } 3831 return (0); 3832 } 3833 3834 /****************************** Timeout Recovery ******************************/ 3835 static int 3836 mpt_spawn_recovery_thread(struct mpt_softc *mpt) 3837 { 3838 int error; 3839 3840 error = kproc_create(mpt_recovery_thread, mpt, 3841 &mpt->recovery_thread, /*flags*/0, 3842 /*altstack*/0, "mpt_recovery%d", mpt->unit); 3843 return (error); 3844 } 3845 3846 static void 3847 mpt_terminate_recovery_thread(struct mpt_softc *mpt) 3848 { 3849 3850 if (mpt->recovery_thread == NULL) { 3851 return; 3852 } 3853 mpt->shutdwn_recovery = 1; 3854 wakeup(mpt); 3855 /* 3856 * Sleep on a slightly different location 3857 * for this interlock just for added safety. 3858 */ 3859 mpt_sleep(mpt, &mpt->recovery_thread, PUSER, "thtrm", 0); 3860 } 3861 3862 static void 3863 mpt_recovery_thread(void *arg) 3864 { 3865 struct mpt_softc *mpt; 3866 3867 mpt = (struct mpt_softc *)arg; 3868 MPT_LOCK(mpt); 3869 for (;;) { 3870 if (TAILQ_EMPTY(&mpt->request_timeout_list) != 0) { 3871 if (mpt->shutdwn_recovery == 0) { 3872 mpt_sleep(mpt, mpt, PUSER, "idle", 0); 3873 } 3874 } 3875 if (mpt->shutdwn_recovery != 0) { 3876 break; 3877 } 3878 mpt_recover_commands(mpt); 3879 } 3880 mpt->recovery_thread = NULL; 3881 wakeup(&mpt->recovery_thread); 3882 MPT_UNLOCK(mpt); 3883 kproc_exit(0); 3884 } 3885 3886 static int 3887 mpt_scsi_send_tmf(struct mpt_softc *mpt, u_int type, u_int flags, 3888 u_int channel, target_id_t target, lun_id_t lun, u_int abort_ctx, 3889 int sleep_ok) 3890 { 3891 MSG_SCSI_TASK_MGMT *tmf_req; 3892 int error; 3893 3894 /* 3895 * Wait for any current TMF request to complete. 3896 * We're only allowed to issue one TMF at a time. 3897 */ 3898 error = mpt_wait_req(mpt, mpt->tmf_req, REQ_STATE_FREE, REQ_STATE_FREE, 3899 sleep_ok, MPT_TMF_MAX_TIMEOUT); 3900 if (error != 0) { 3901 mpt_reset(mpt, TRUE); 3902 return (ETIMEDOUT); 3903 } 3904 3905 mpt_assign_serno(mpt, mpt->tmf_req); 3906 mpt->tmf_req->state = REQ_STATE_ALLOCATED|REQ_STATE_QUEUED; 3907 3908 tmf_req = (MSG_SCSI_TASK_MGMT *)mpt->tmf_req->req_vbuf; 3909 memset(tmf_req, 0, sizeof(*tmf_req)); 3910 tmf_req->TargetID = target; 3911 tmf_req->Bus = channel; 3912 tmf_req->Function = MPI_FUNCTION_SCSI_TASK_MGMT; 3913 tmf_req->TaskType = type; 3914 tmf_req->MsgFlags = flags; 3915 tmf_req->MsgContext = 3916 htole32(mpt->tmf_req->index | scsi_tmf_handler_id); 3917 be64enc(tmf_req->LUN, CAM_EXTLUN_BYTE_SWIZZLE(lun)); 3918 tmf_req->TaskMsgContext = abort_ctx; 3919 3920 mpt_lprt(mpt, MPT_PRT_DEBUG, 3921 "Issuing TMF %p:%u with MsgContext of 0x%x\n", mpt->tmf_req, 3922 mpt->tmf_req->serno, tmf_req->MsgContext); 3923 if (mpt->verbose > MPT_PRT_DEBUG) { 3924 mpt_print_request(tmf_req); 3925 } 3926 3927 KASSERT(mpt_req_on_pending_list(mpt, mpt->tmf_req) == 0, 3928 ("mpt_scsi_send_tmf: tmf_req already on pending list")); 3929 TAILQ_INSERT_HEAD(&mpt->request_pending_list, mpt->tmf_req, links); 3930 error = mpt_send_handshake_cmd(mpt, sizeof(*tmf_req), tmf_req); 3931 if (error != MPT_OK) { 3932 TAILQ_REMOVE(&mpt->request_pending_list, mpt->tmf_req, links); 3933 mpt->tmf_req->state = REQ_STATE_FREE; 3934 mpt_reset(mpt, TRUE); 3935 } 3936 return (error); 3937 } 3938 3939 /* 3940 * When a command times out, it is placed on the requeust_timeout_list 3941 * and we wake our recovery thread. The MPT-Fusion architecture supports 3942 * only a single TMF operation at a time, so we serially abort/bdr, etc, 3943 * the timedout transactions. The next TMF is issued either by the 3944 * completion handler of the current TMF waking our recovery thread, 3945 * or the TMF timeout handler causing a hard reset sequence. 3946 */ 3947 static void 3948 mpt_recover_commands(struct mpt_softc *mpt) 3949 { 3950 request_t *req; 3951 union ccb *ccb; 3952 int error; 3953 3954 if (TAILQ_EMPTY(&mpt->request_timeout_list) != 0) { 3955 /* 3956 * No work to do- leave. 3957 */ 3958 mpt_prt(mpt, "mpt_recover_commands: no requests.\n"); 3959 return; 3960 } 3961 3962 /* 3963 * Flush any commands whose completion coincides with their timeout. 3964 */ 3965 mpt_intr(mpt); 3966 3967 if (TAILQ_EMPTY(&mpt->request_timeout_list) != 0) { 3968 /* 3969 * The timedout commands have already 3970 * completed. This typically means 3971 * that either the timeout value was on 3972 * the hairy edge of what the device 3973 * requires or - more likely - interrupts 3974 * are not happening. 3975 */ 3976 mpt_prt(mpt, "Timedout requests already complete. " 3977 "Interrupts may not be functioning.\n"); 3978 mpt_enable_ints(mpt); 3979 return; 3980 } 3981 3982 /* 3983 * We have no visibility into the current state of the 3984 * controller, so attempt to abort the commands in the 3985 * order they timed-out. For initiator commands, we 3986 * depend on the reply handler pulling requests off 3987 * the timeout list. 3988 */ 3989 while ((req = TAILQ_FIRST(&mpt->request_timeout_list)) != NULL) { 3990 uint16_t status; 3991 uint8_t response; 3992 MSG_REQUEST_HEADER *hdrp = req->req_vbuf; 3993 3994 mpt_lprt(mpt, MPT_PRT_DEBUG, 3995 "attempting to abort req %p:%u function %x\n", 3996 req, req->serno, hdrp->Function); 3997 ccb = req->ccb; 3998 if (ccb == NULL) { 3999 mpt_prt(mpt, "null ccb in timed out request. " 4000 "Resetting Controller.\n"); 4001 mpt_reset(mpt, TRUE); 4002 continue; 4003 } 4004 mpt_set_ccb_status(ccb, CAM_CMD_TIMEOUT); 4005 4006 /* 4007 * Check to see if this is not an initiator command and 4008 * deal with it differently if it is. 4009 */ 4010 switch (hdrp->Function) { 4011 case MPI_FUNCTION_SCSI_IO_REQUEST: 4012 case MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH: 4013 break; 4014 default: 4015 /* 4016 * XXX: FIX ME: need to abort target assists... 4017 */ 4018 mpt_prt(mpt, "just putting it back on the pend q\n"); 4019 TAILQ_REMOVE(&mpt->request_timeout_list, req, links); 4020 TAILQ_INSERT_HEAD(&mpt->request_pending_list, req, 4021 links); 4022 continue; 4023 } 4024 4025 error = mpt_scsi_send_tmf(mpt, 4026 MPI_SCSITASKMGMT_TASKTYPE_ABORT_TASK, 4027 0, 0, ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 4028 htole32(req->index | scsi_io_handler_id), TRUE); 4029 4030 if (error != 0) { 4031 /* 4032 * mpt_scsi_send_tmf hard resets on failure, so no 4033 * need to do so here. Our queue should be emptied 4034 * by the hard reset. 4035 */ 4036 continue; 4037 } 4038 4039 error = mpt_wait_req(mpt, mpt->tmf_req, REQ_STATE_DONE, 4040 REQ_STATE_DONE, TRUE, 500); 4041 4042 status = le16toh(mpt->tmf_req->IOCStatus); 4043 response = mpt->tmf_req->ResponseCode; 4044 mpt->tmf_req->state = REQ_STATE_FREE; 4045 4046 if (error != 0) { 4047 /* 4048 * If we've errored out,, reset the controller. 4049 */ 4050 mpt_prt(mpt, "mpt_recover_commands: abort timed-out. " 4051 "Resetting controller\n"); 4052 mpt_reset(mpt, TRUE); 4053 continue; 4054 } 4055 4056 if ((status & MPI_IOCSTATUS_MASK) != MPI_IOCSTATUS_SUCCESS) { 4057 mpt_prt(mpt, "mpt_recover_commands: IOC Status 0x%x. " 4058 "Resetting controller.\n", status); 4059 mpt_reset(mpt, TRUE); 4060 continue; 4061 } 4062 4063 if (response != MPI_SCSITASKMGMT_RSP_TM_SUCCEEDED && 4064 response != MPI_SCSITASKMGMT_RSP_TM_COMPLETE) { 4065 mpt_prt(mpt, "mpt_recover_commands: TMF Response 0x%x. " 4066 "Resetting controller.\n", response); 4067 mpt_reset(mpt, TRUE); 4068 continue; 4069 } 4070 mpt_lprt(mpt, MPT_PRT_DEBUG, 4071 "abort of req %p:%u completed\n", req, req->serno); 4072 } 4073 } 4074 4075 /************************ Target Mode Support ****************************/ 4076 static void 4077 mpt_fc_post_els(struct mpt_softc *mpt, request_t *req, int ioindex) 4078 { 4079 MSG_LINK_SERVICE_BUFFER_POST_REQUEST *fc; 4080 PTR_SGE_TRANSACTION32 tep; 4081 PTR_SGE_SIMPLE32 se; 4082 bus_addr_t paddr; 4083 uint32_t fl; 4084 4085 paddr = req->req_pbuf; 4086 paddr += MPT_RQSL(mpt); 4087 4088 fc = req->req_vbuf; 4089 memset(fc, 0, MPT_REQUEST_AREA); 4090 fc->BufferCount = 1; 4091 fc->Function = MPI_FUNCTION_FC_LINK_SRVC_BUF_POST; 4092 fc->MsgContext = htole32(req->index | fc_els_handler_id); 4093 4094 /* 4095 * Okay, set up ELS buffer pointers. ELS buffer pointers 4096 * consist of a TE SGL element (with details length of zero) 4097 * followed by a SIMPLE SGL element which holds the address 4098 * of the buffer. 4099 */ 4100 4101 tep = (PTR_SGE_TRANSACTION32) &fc->SGL; 4102 4103 tep->ContextSize = 4; 4104 tep->Flags = 0; 4105 tep->TransactionContext[0] = htole32(ioindex); 4106 4107 se = (PTR_SGE_SIMPLE32) &tep->TransactionDetails[0]; 4108 fl = 4109 MPI_SGE_FLAGS_HOST_TO_IOC | 4110 MPI_SGE_FLAGS_SIMPLE_ELEMENT | 4111 MPI_SGE_FLAGS_LAST_ELEMENT | 4112 MPI_SGE_FLAGS_END_OF_LIST | 4113 MPI_SGE_FLAGS_END_OF_BUFFER; 4114 fl <<= MPI_SGE_FLAGS_SHIFT; 4115 fl |= (MPT_NRFM(mpt) - MPT_RQSL(mpt)); 4116 se->FlagsLength = htole32(fl); 4117 se->Address = htole32((uint32_t) paddr); 4118 mpt_lprt(mpt, MPT_PRT_DEBUG, 4119 "add ELS index %d ioindex %d for %p:%u\n", 4120 req->index, ioindex, req, req->serno); 4121 KASSERT(((req->state & REQ_STATE_LOCKED) != 0), 4122 ("mpt_fc_post_els: request not locked")); 4123 mpt_send_cmd(mpt, req); 4124 } 4125 4126 static void 4127 mpt_post_target_command(struct mpt_softc *mpt, request_t *req, int ioindex) 4128 { 4129 PTR_MSG_TARGET_CMD_BUFFER_POST_REQUEST fc; 4130 PTR_CMD_BUFFER_DESCRIPTOR cb; 4131 bus_addr_t paddr; 4132 4133 paddr = req->req_pbuf; 4134 paddr += MPT_RQSL(mpt); 4135 memset(req->req_vbuf, 0, MPT_REQUEST_AREA); 4136 MPT_TGT_STATE(mpt, req)->state = TGT_STATE_LOADING; 4137 4138 fc = req->req_vbuf; 4139 fc->BufferCount = 1; 4140 fc->Function = MPI_FUNCTION_TARGET_CMD_BUFFER_POST; 4141 fc->BufferLength = MIN(MPT_REQUEST_AREA - MPT_RQSL(mpt), UINT8_MAX); 4142 fc->MsgContext = htole32(req->index | mpt->scsi_tgt_handler_id); 4143 4144 cb = &fc->Buffer[0]; 4145 cb->IoIndex = htole16(ioindex); 4146 cb->u.PhysicalAddress32 = htole32((U32) paddr); 4147 4148 mpt_check_doorbell(mpt); 4149 mpt_send_cmd(mpt, req); 4150 } 4151 4152 static int 4153 mpt_add_els_buffers(struct mpt_softc *mpt) 4154 { 4155 int i; 4156 4157 if (mpt->is_fc == 0) { 4158 return (TRUE); 4159 } 4160 4161 if (mpt->els_cmds_allocated) { 4162 return (TRUE); 4163 } 4164 4165 mpt->els_cmd_ptrs = malloc(MPT_MAX_ELS * sizeof (request_t *), 4166 M_DEVBUF, M_NOWAIT | M_ZERO); 4167 4168 if (mpt->els_cmd_ptrs == NULL) { 4169 return (FALSE); 4170 } 4171 4172 /* 4173 * Feed the chip some ELS buffer resources 4174 */ 4175 for (i = 0; i < MPT_MAX_ELS; i++) { 4176 request_t *req = mpt_get_request(mpt, FALSE); 4177 if (req == NULL) { 4178 break; 4179 } 4180 req->state |= REQ_STATE_LOCKED; 4181 mpt->els_cmd_ptrs[i] = req; 4182 mpt_fc_post_els(mpt, req, i); 4183 } 4184 4185 if (i == 0) { 4186 mpt_prt(mpt, "unable to add ELS buffer resources\n"); 4187 free(mpt->els_cmd_ptrs, M_DEVBUF); 4188 mpt->els_cmd_ptrs = NULL; 4189 return (FALSE); 4190 } 4191 if (i != MPT_MAX_ELS) { 4192 mpt_lprt(mpt, MPT_PRT_INFO, 4193 "only added %d of %d ELS buffers\n", i, MPT_MAX_ELS); 4194 } 4195 mpt->els_cmds_allocated = i; 4196 return(TRUE); 4197 } 4198 4199 static int 4200 mpt_add_target_commands(struct mpt_softc *mpt) 4201 { 4202 int i, max; 4203 4204 if (mpt->tgt_cmd_ptrs) { 4205 return (TRUE); 4206 } 4207 4208 max = MPT_MAX_REQUESTS(mpt) >> 1; 4209 if (max > mpt->mpt_max_tgtcmds) { 4210 max = mpt->mpt_max_tgtcmds; 4211 } 4212 mpt->tgt_cmd_ptrs = 4213 malloc(max * sizeof (request_t *), M_DEVBUF, M_NOWAIT | M_ZERO); 4214 if (mpt->tgt_cmd_ptrs == NULL) { 4215 mpt_prt(mpt, 4216 "mpt_add_target_commands: could not allocate cmd ptrs\n"); 4217 return (FALSE); 4218 } 4219 4220 for (i = 0; i < max; i++) { 4221 request_t *req; 4222 4223 req = mpt_get_request(mpt, FALSE); 4224 if (req == NULL) { 4225 break; 4226 } 4227 req->state |= REQ_STATE_LOCKED; 4228 mpt->tgt_cmd_ptrs[i] = req; 4229 mpt_post_target_command(mpt, req, i); 4230 } 4231 4232 if (i == 0) { 4233 mpt_lprt(mpt, MPT_PRT_ERROR, "could not add any target bufs\n"); 4234 free(mpt->tgt_cmd_ptrs, M_DEVBUF); 4235 mpt->tgt_cmd_ptrs = NULL; 4236 return (FALSE); 4237 } 4238 4239 mpt->tgt_cmds_allocated = i; 4240 4241 if (i < max) { 4242 mpt_lprt(mpt, MPT_PRT_INFO, 4243 "added %d of %d target bufs\n", i, max); 4244 } 4245 return (i); 4246 } 4247 4248 static int 4249 mpt_enable_lun(struct mpt_softc *mpt, target_id_t tgt, lun_id_t lun) 4250 { 4251 4252 if (tgt == CAM_TARGET_WILDCARD && lun == CAM_LUN_WILDCARD) { 4253 mpt->twildcard = 1; 4254 } else if (lun >= MPT_MAX_LUNS) { 4255 return (EINVAL); 4256 } else if (tgt != CAM_TARGET_WILDCARD && tgt != 0) { 4257 return (EINVAL); 4258 } 4259 if (mpt->tenabled == 0) { 4260 if (mpt->is_fc) { 4261 (void) mpt_fc_reset_link(mpt, 0); 4262 } 4263 mpt->tenabled = 1; 4264 } 4265 if (lun == CAM_LUN_WILDCARD) { 4266 mpt->trt_wildcard.enabled = 1; 4267 } else { 4268 mpt->trt[lun].enabled = 1; 4269 } 4270 return (0); 4271 } 4272 4273 static int 4274 mpt_disable_lun(struct mpt_softc *mpt, target_id_t tgt, lun_id_t lun) 4275 { 4276 int i; 4277 4278 if (tgt == CAM_TARGET_WILDCARD && lun == CAM_LUN_WILDCARD) { 4279 mpt->twildcard = 0; 4280 } else if (lun >= MPT_MAX_LUNS) { 4281 return (EINVAL); 4282 } else if (tgt != CAM_TARGET_WILDCARD && tgt != 0) { 4283 return (EINVAL); 4284 } 4285 if (lun == CAM_LUN_WILDCARD) { 4286 mpt->trt_wildcard.enabled = 0; 4287 } else { 4288 mpt->trt[lun].enabled = 0; 4289 } 4290 for (i = 0; i < MPT_MAX_LUNS; i++) { 4291 if (mpt->trt[i].enabled) { 4292 break; 4293 } 4294 } 4295 if (i == MPT_MAX_LUNS && mpt->twildcard == 0) { 4296 if (mpt->is_fc) { 4297 (void) mpt_fc_reset_link(mpt, 0); 4298 } 4299 mpt->tenabled = 0; 4300 } 4301 return (0); 4302 } 4303 4304 /* 4305 * Called with MPT lock held 4306 */ 4307 static void 4308 mpt_target_start_io(struct mpt_softc *mpt, union ccb *ccb) 4309 { 4310 struct ccb_scsiio *csio = &ccb->csio; 4311 request_t *cmd_req = MPT_TAG_2_REQ(mpt, csio->tag_id); 4312 mpt_tgt_state_t *tgt = MPT_TGT_STATE(mpt, cmd_req); 4313 4314 switch (tgt->state) { 4315 case TGT_STATE_IN_CAM: 4316 break; 4317 case TGT_STATE_MOVING_DATA: 4318 mpt_set_ccb_status(ccb, CAM_REQUEUE_REQ); 4319 xpt_freeze_simq(mpt->sim, 1); 4320 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 4321 tgt->ccb->ccb_h.status |= CAM_RELEASE_SIMQ; 4322 xpt_done(ccb); 4323 return; 4324 default: 4325 mpt_prt(mpt, "ccb %p flags 0x%x tag 0x%08x had bad request " 4326 "starting I/O\n", ccb, csio->ccb_h.flags, csio->tag_id); 4327 mpt_tgt_dump_req_state(mpt, cmd_req); 4328 mpt_set_ccb_status(ccb, CAM_REQ_CMP_ERR); 4329 xpt_done(ccb); 4330 return; 4331 } 4332 4333 if (csio->dxfer_len) { 4334 bus_dmamap_callback_t *cb; 4335 PTR_MSG_TARGET_ASSIST_REQUEST ta; 4336 request_t *req; 4337 int error; 4338 4339 KASSERT((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE, 4340 ("dxfer_len %u but direction is NONE", csio->dxfer_len)); 4341 4342 if ((req = mpt_get_request(mpt, FALSE)) == NULL) { 4343 if (mpt->outofbeer == 0) { 4344 mpt->outofbeer = 1; 4345 xpt_freeze_simq(mpt->sim, 1); 4346 mpt_lprt(mpt, MPT_PRT_DEBUG, "FREEZEQ\n"); 4347 } 4348 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 4349 mpt_set_ccb_status(ccb, CAM_REQUEUE_REQ); 4350 xpt_done(ccb); 4351 return; 4352 } 4353 ccb->ccb_h.status = CAM_SIM_QUEUED | CAM_REQ_INPROG; 4354 if (sizeof (bus_addr_t) > 4) { 4355 cb = mpt_execute_req_a64; 4356 } else { 4357 cb = mpt_execute_req; 4358 } 4359 4360 req->ccb = ccb; 4361 ccb->ccb_h.ccb_req_ptr = req; 4362 4363 /* 4364 * Record the currently active ccb and the 4365 * request for it in our target state area. 4366 */ 4367 tgt->ccb = ccb; 4368 tgt->req = req; 4369 4370 memset(req->req_vbuf, 0, MPT_RQSL(mpt)); 4371 ta = req->req_vbuf; 4372 4373 if (mpt->is_sas) { 4374 PTR_MPI_TARGET_SSP_CMD_BUFFER ssp = 4375 cmd_req->req_vbuf; 4376 ta->QueueTag = ssp->InitiatorTag; 4377 } else if (mpt->is_spi) { 4378 PTR_MPI_TARGET_SCSI_SPI_CMD_BUFFER sp = 4379 cmd_req->req_vbuf; 4380 ta->QueueTag = sp->Tag; 4381 } 4382 ta->Function = MPI_FUNCTION_TARGET_ASSIST; 4383 ta->MsgContext = htole32(req->index | mpt->scsi_tgt_handler_id); 4384 ta->ReplyWord = htole32(tgt->reply_desc); 4385 be64enc(ta->LUN, CAM_EXTLUN_BYTE_SWIZZLE(csio->ccb_h.target_lun)); 4386 4387 ta->RelativeOffset = tgt->bytes_xfered; 4388 ta->DataLength = ccb->csio.dxfer_len; 4389 if (ta->DataLength > tgt->resid) { 4390 ta->DataLength = tgt->resid; 4391 } 4392 4393 /* 4394 * XXX Should be done after data transfer completes? 4395 */ 4396 csio->resid = csio->dxfer_len - ta->DataLength; 4397 tgt->resid -= csio->dxfer_len; 4398 tgt->bytes_xfered += csio->dxfer_len; 4399 4400 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 4401 ta->TargetAssistFlags |= 4402 TARGET_ASSIST_FLAGS_DATA_DIRECTION; 4403 } 4404 4405 #ifdef WE_TRUST_AUTO_GOOD_STATUS 4406 if ((ccb->ccb_h.flags & CAM_SEND_STATUS) && 4407 csio->scsi_status == SCSI_STATUS_OK && tgt->resid == 0) { 4408 ta->TargetAssistFlags |= 4409 TARGET_ASSIST_FLAGS_AUTO_STATUS; 4410 } 4411 #endif 4412 tgt->state = TGT_STATE_SETTING_UP_FOR_DATA; 4413 4414 mpt_lprt(mpt, MPT_PRT_DEBUG, 4415 "DATA_CCB %p tag %x %u bytes %u resid flg %x req %p:%u " 4416 "nxtstate=%d\n", csio, csio->tag_id, csio->dxfer_len, 4417 tgt->resid, ccb->ccb_h.flags, req, req->serno, tgt->state); 4418 4419 error = bus_dmamap_load_ccb(mpt->buffer_dmat, req->dmap, ccb, 4420 cb, req, 0); 4421 if (error == EINPROGRESS) { 4422 xpt_freeze_simq(mpt->sim, 1); 4423 ccb->ccb_h.status |= CAM_RELEASE_SIMQ; 4424 } 4425 } else { 4426 /* 4427 * XXX: I don't know why this seems to happen, but 4428 * XXX: completing the CCB seems to make things happy. 4429 * XXX: This seems to happen if the initiator requests 4430 * XXX: enough data that we have to do multiple CTIOs. 4431 */ 4432 if ((ccb->ccb_h.flags & CAM_SEND_STATUS) == 0) { 4433 mpt_lprt(mpt, MPT_PRT_DEBUG, 4434 "Meaningless STATUS CCB (%p): flags %x status %x " 4435 "resid %d bytes_xfered %u\n", ccb, ccb->ccb_h.flags, 4436 ccb->ccb_h.status, tgt->resid, tgt->bytes_xfered); 4437 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 4438 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 4439 xpt_done(ccb); 4440 return; 4441 } 4442 mpt_scsi_tgt_status(mpt, ccb, cmd_req, csio->scsi_status, 4443 (void *)&csio->sense_data, 4444 (ccb->ccb_h.flags & CAM_SEND_SENSE) ? 4445 csio->sense_len : 0); 4446 } 4447 } 4448 4449 static void 4450 mpt_scsi_tgt_local(struct mpt_softc *mpt, request_t *cmd_req, 4451 lun_id_t lun, int send, uint8_t *data, size_t length) 4452 { 4453 mpt_tgt_state_t *tgt; 4454 PTR_MSG_TARGET_ASSIST_REQUEST ta; 4455 SGE_SIMPLE32 *se; 4456 uint32_t flags; 4457 uint8_t *dptr; 4458 bus_addr_t pptr; 4459 request_t *req; 4460 4461 /* 4462 * We enter with resid set to the data load for the command. 4463 */ 4464 tgt = MPT_TGT_STATE(mpt, cmd_req); 4465 if (length == 0 || tgt->resid == 0) { 4466 tgt->resid = 0; 4467 mpt_scsi_tgt_status(mpt, NULL, cmd_req, 0, NULL, 0); 4468 return; 4469 } 4470 4471 if ((req = mpt_get_request(mpt, FALSE)) == NULL) { 4472 mpt_prt(mpt, "out of resources- dropping local response\n"); 4473 return; 4474 } 4475 tgt->is_local = 1; 4476 4477 memset(req->req_vbuf, 0, MPT_RQSL(mpt)); 4478 ta = req->req_vbuf; 4479 4480 if (mpt->is_sas) { 4481 PTR_MPI_TARGET_SSP_CMD_BUFFER ssp = cmd_req->req_vbuf; 4482 ta->QueueTag = ssp->InitiatorTag; 4483 } else if (mpt->is_spi) { 4484 PTR_MPI_TARGET_SCSI_SPI_CMD_BUFFER sp = cmd_req->req_vbuf; 4485 ta->QueueTag = sp->Tag; 4486 } 4487 ta->Function = MPI_FUNCTION_TARGET_ASSIST; 4488 ta->MsgContext = htole32(req->index | mpt->scsi_tgt_handler_id); 4489 ta->ReplyWord = htole32(tgt->reply_desc); 4490 be64enc(ta->LUN, CAM_EXTLUN_BYTE_SWIZZLE(lun)); 4491 ta->RelativeOffset = 0; 4492 ta->DataLength = length; 4493 4494 dptr = req->req_vbuf; 4495 dptr += MPT_RQSL(mpt); 4496 pptr = req->req_pbuf; 4497 pptr += MPT_RQSL(mpt); 4498 memcpy(dptr, data, min(length, MPT_RQSL(mpt))); 4499 4500 se = (SGE_SIMPLE32 *) &ta->SGL[0]; 4501 memset(se, 0,sizeof (*se)); 4502 4503 flags = MPI_SGE_FLAGS_SIMPLE_ELEMENT; 4504 if (send) { 4505 ta->TargetAssistFlags |= TARGET_ASSIST_FLAGS_DATA_DIRECTION; 4506 flags |= MPI_SGE_FLAGS_HOST_TO_IOC; 4507 } 4508 se->Address = pptr; 4509 MPI_pSGE_SET_LENGTH(se, length); 4510 flags |= MPI_SGE_FLAGS_LAST_ELEMENT; 4511 flags |= MPI_SGE_FLAGS_END_OF_LIST | MPI_SGE_FLAGS_END_OF_BUFFER; 4512 MPI_pSGE_SET_FLAGS(se, flags); 4513 4514 tgt->ccb = NULL; 4515 tgt->req = req; 4516 tgt->resid -= length; 4517 tgt->bytes_xfered = length; 4518 #ifdef WE_TRUST_AUTO_GOOD_STATUS 4519 tgt->state = TGT_STATE_MOVING_DATA_AND_STATUS; 4520 #else 4521 tgt->state = TGT_STATE_MOVING_DATA; 4522 #endif 4523 mpt_send_cmd(mpt, req); 4524 } 4525 4526 /* 4527 * Abort queued up CCBs 4528 */ 4529 static cam_status 4530 mpt_abort_target_ccb(struct mpt_softc *mpt, union ccb *ccb) 4531 { 4532 struct mpt_hdr_stailq *lp; 4533 struct ccb_hdr *srch; 4534 union ccb *accb = ccb->cab.abort_ccb; 4535 tgt_resource_t *trtp; 4536 mpt_tgt_state_t *tgt; 4537 request_t *req; 4538 uint32_t tag; 4539 4540 mpt_lprt(mpt, MPT_PRT_DEBUG, "aborting ccb %p\n", accb); 4541 if (ccb->ccb_h.target_lun == CAM_LUN_WILDCARD) 4542 trtp = &mpt->trt_wildcard; 4543 else 4544 trtp = &mpt->trt[ccb->ccb_h.target_lun]; 4545 if (accb->ccb_h.func_code == XPT_ACCEPT_TARGET_IO) { 4546 lp = &trtp->atios; 4547 tag = accb->atio.tag_id; 4548 } else { 4549 lp = &trtp->inots; 4550 tag = accb->cin1.tag_id; 4551 } 4552 4553 /* Search the CCB among queued. */ 4554 STAILQ_FOREACH(srch, lp, sim_links.stqe) { 4555 if (srch != &accb->ccb_h) 4556 continue; 4557 STAILQ_REMOVE(lp, srch, ccb_hdr, sim_links.stqe); 4558 accb->ccb_h.status = CAM_REQ_ABORTED; 4559 xpt_done(accb); 4560 return (CAM_REQ_CMP); 4561 } 4562 4563 /* Search the CCB among running. */ 4564 req = MPT_TAG_2_REQ(mpt, tag); 4565 tgt = MPT_TGT_STATE(mpt, req); 4566 if (tgt->tag_id == tag) { 4567 mpt_abort_target_cmd(mpt, req); 4568 return (CAM_REQ_CMP); 4569 } 4570 4571 return (CAM_UA_ABORT); 4572 } 4573 4574 /* 4575 * Ask the MPT to abort the current target command 4576 */ 4577 static int 4578 mpt_abort_target_cmd(struct mpt_softc *mpt, request_t *cmd_req) 4579 { 4580 int error; 4581 request_t *req; 4582 PTR_MSG_TARGET_MODE_ABORT abtp; 4583 4584 req = mpt_get_request(mpt, FALSE); 4585 if (req == NULL) { 4586 return (-1); 4587 } 4588 abtp = req->req_vbuf; 4589 memset(abtp, 0, sizeof (*abtp)); 4590 4591 abtp->MsgContext = htole32(req->index | mpt->scsi_tgt_handler_id); 4592 abtp->AbortType = TARGET_MODE_ABORT_TYPE_EXACT_IO; 4593 abtp->Function = MPI_FUNCTION_TARGET_MODE_ABORT; 4594 abtp->ReplyWord = htole32(MPT_TGT_STATE(mpt, cmd_req)->reply_desc); 4595 error = 0; 4596 if (mpt->is_fc || mpt->is_sas) { 4597 mpt_send_cmd(mpt, req); 4598 } else { 4599 error = mpt_send_handshake_cmd(mpt, sizeof(*req), req); 4600 } 4601 return (error); 4602 } 4603 4604 /* 4605 * WE_TRUST_AUTO_GOOD_STATUS- I've found that setting 4606 * TARGET_STATUS_SEND_FLAGS_AUTO_GOOD_STATUS leads the 4607 * FC929 to set bogus FC_RSP fields (nonzero residuals 4608 * but w/o RESID fields set). This causes QLogic initiators 4609 * to think maybe that a frame was lost. 4610 * 4611 * WE_CAN_USE_AUTO_REPOST- we can't use AUTO_REPOST because 4612 * we use allocated requests to do TARGET_ASSIST and we 4613 * need to know when to release them. 4614 */ 4615 4616 static void 4617 mpt_scsi_tgt_status(struct mpt_softc *mpt, union ccb *ccb, request_t *cmd_req, 4618 uint8_t status, uint8_t const *sense_data, u_int sense_len) 4619 { 4620 uint8_t *cmd_vbuf; 4621 mpt_tgt_state_t *tgt; 4622 PTR_MSG_TARGET_STATUS_SEND_REQUEST tp; 4623 request_t *req; 4624 bus_addr_t paddr; 4625 int resplen = 0; 4626 uint32_t fl; 4627 4628 cmd_vbuf = cmd_req->req_vbuf; 4629 cmd_vbuf += MPT_RQSL(mpt); 4630 tgt = MPT_TGT_STATE(mpt, cmd_req); 4631 4632 if ((req = mpt_get_request(mpt, FALSE)) == NULL) { 4633 if (mpt->outofbeer == 0) { 4634 mpt->outofbeer = 1; 4635 xpt_freeze_simq(mpt->sim, 1); 4636 mpt_lprt(mpt, MPT_PRT_DEBUG, "FREEZEQ\n"); 4637 } 4638 if (ccb) { 4639 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 4640 mpt_set_ccb_status(ccb, CAM_REQUEUE_REQ); 4641 xpt_done(ccb); 4642 } else { 4643 mpt_prt(mpt, 4644 "could not allocate status request- dropping\n"); 4645 } 4646 return; 4647 } 4648 req->ccb = ccb; 4649 if (ccb) { 4650 ccb->ccb_h.ccb_mpt_ptr = mpt; 4651 ccb->ccb_h.ccb_req_ptr = req; 4652 } 4653 4654 /* 4655 * Record the currently active ccb, if any, and the 4656 * request for it in our target state area. 4657 */ 4658 tgt->ccb = ccb; 4659 tgt->req = req; 4660 tgt->state = TGT_STATE_SENDING_STATUS; 4661 4662 tp = req->req_vbuf; 4663 paddr = req->req_pbuf; 4664 paddr += MPT_RQSL(mpt); 4665 4666 memset(tp, 0, sizeof (*tp)); 4667 tp->StatusCode = status; 4668 tp->Function = MPI_FUNCTION_TARGET_STATUS_SEND; 4669 if (mpt->is_fc) { 4670 PTR_MPI_TARGET_FCP_CMD_BUFFER fc = 4671 (PTR_MPI_TARGET_FCP_CMD_BUFFER) cmd_vbuf; 4672 uint8_t *sts_vbuf; 4673 uint32_t *rsp; 4674 4675 sts_vbuf = req->req_vbuf; 4676 sts_vbuf += MPT_RQSL(mpt); 4677 rsp = (uint32_t *) sts_vbuf; 4678 memcpy(tp->LUN, fc->FcpLun, sizeof (tp->LUN)); 4679 4680 /* 4681 * The MPI_TARGET_FCP_RSP_BUFFER define is unfortunate. 4682 * It has to be big-endian in memory and is organized 4683 * in 32 bit words, which are much easier to deal with 4684 * as words which are swizzled as needed. 4685 * 4686 * All we're filling here is the FC_RSP payload. 4687 * We may just have the chip synthesize it if 4688 * we have no residual and an OK status. 4689 * 4690 */ 4691 memset(rsp, 0, sizeof (MPI_TARGET_FCP_RSP_BUFFER)); 4692 4693 rsp[2] = htobe32(status); 4694 #define MIN_FCP_RESPONSE_SIZE 24 4695 #ifndef WE_TRUST_AUTO_GOOD_STATUS 4696 resplen = MIN_FCP_RESPONSE_SIZE; 4697 #endif 4698 if (tgt->resid < 0) { 4699 rsp[2] |= htobe32(0x400); /* XXXX NEED MNEMONIC!!!! */ 4700 rsp[3] = htobe32(-tgt->resid); 4701 resplen = MIN_FCP_RESPONSE_SIZE; 4702 } else if (tgt->resid > 0) { 4703 rsp[2] |= htobe32(0x800); /* XXXX NEED MNEMONIC!!!! */ 4704 rsp[3] = htobe32(tgt->resid); 4705 resplen = MIN_FCP_RESPONSE_SIZE; 4706 } 4707 if (sense_len > 0) { 4708 rsp[2] |= htobe32(0x200); /* XXXX NEED MNEMONIC!!!! */ 4709 rsp[4] = htobe32(sense_len); 4710 memcpy(&rsp[6], sense_data, sense_len); 4711 resplen = MIN_FCP_RESPONSE_SIZE + sense_len; 4712 } 4713 } else if (mpt->is_sas) { 4714 PTR_MPI_TARGET_SSP_CMD_BUFFER ssp = 4715 (PTR_MPI_TARGET_SSP_CMD_BUFFER) cmd_vbuf; 4716 memcpy(tp->LUN, ssp->LogicalUnitNumber, sizeof (tp->LUN)); 4717 } else { 4718 PTR_MPI_TARGET_SCSI_SPI_CMD_BUFFER sp = 4719 (PTR_MPI_TARGET_SCSI_SPI_CMD_BUFFER) cmd_vbuf; 4720 tp->QueueTag = htole16(sp->Tag); 4721 memcpy(tp->LUN, sp->LogicalUnitNumber, sizeof (tp->LUN)); 4722 } 4723 4724 tp->ReplyWord = htole32(tgt->reply_desc); 4725 tp->MsgContext = htole32(req->index | mpt->scsi_tgt_handler_id); 4726 4727 #ifdef WE_CAN_USE_AUTO_REPOST 4728 tp->MsgFlags = TARGET_STATUS_SEND_FLAGS_REPOST_CMD_BUFFER; 4729 #endif 4730 if (status == SCSI_STATUS_OK && resplen == 0) { 4731 tp->MsgFlags |= TARGET_STATUS_SEND_FLAGS_AUTO_GOOD_STATUS; 4732 } else { 4733 tp->StatusDataSGE.u.Address32 = htole32((uint32_t) paddr); 4734 fl = MPI_SGE_FLAGS_HOST_TO_IOC | 4735 MPI_SGE_FLAGS_SIMPLE_ELEMENT | 4736 MPI_SGE_FLAGS_LAST_ELEMENT | 4737 MPI_SGE_FLAGS_END_OF_LIST | 4738 MPI_SGE_FLAGS_END_OF_BUFFER; 4739 fl <<= MPI_SGE_FLAGS_SHIFT; 4740 fl |= resplen; 4741 tp->StatusDataSGE.FlagsLength = htole32(fl); 4742 } 4743 4744 mpt_lprt(mpt, MPT_PRT_DEBUG, 4745 "STATUS_CCB %p (with%s sense) tag %x req %p:%u resid %u\n", 4746 ccb, sense_len > 0 ? "" : "out", tgt->tag_id, 4747 req, req->serno, tgt->resid); 4748 if (mpt->verbose > MPT_PRT_DEBUG) 4749 mpt_print_request(req->req_vbuf); 4750 if (ccb) { 4751 ccb->ccb_h.status = CAM_SIM_QUEUED | CAM_REQ_INPROG; 4752 mpt_req_timeout(req, SBT_1S * 60, mpt_timeout, ccb); 4753 } 4754 mpt_send_cmd(mpt, req); 4755 } 4756 4757 static void 4758 mpt_scsi_tgt_tsk_mgmt(struct mpt_softc *mpt, request_t *req, mpt_task_mgmt_t fc, 4759 tgt_resource_t *trtp, int init_id) 4760 { 4761 struct ccb_immediate_notify *inot; 4762 mpt_tgt_state_t *tgt; 4763 4764 tgt = MPT_TGT_STATE(mpt, req); 4765 inot = (struct ccb_immediate_notify *) STAILQ_FIRST(&trtp->inots); 4766 if (inot == NULL) { 4767 mpt_lprt(mpt, MPT_PRT_WARN, "no INOTSs- sending back BSY\n"); 4768 mpt_scsi_tgt_status(mpt, NULL, req, SCSI_STATUS_BUSY, NULL, 0); 4769 return; 4770 } 4771 STAILQ_REMOVE_HEAD(&trtp->inots, sim_links.stqe); 4772 mpt_lprt(mpt, MPT_PRT_DEBUG1, 4773 "Get FREE INOT %p lun %jx\n", inot, 4774 (uintmax_t)inot->ccb_h.target_lun); 4775 4776 inot->initiator_id = init_id; /* XXX */ 4777 inot->tag_id = tgt->tag_id; 4778 inot->seq_id = 0; 4779 /* 4780 * This is a somewhat grotesque attempt to map from task management 4781 * to old style SCSI messages. God help us all. 4782 */ 4783 switch (fc) { 4784 case MPT_QUERY_TASK_SET: 4785 inot->arg = MSG_QUERY_TASK_SET; 4786 break; 4787 case MPT_ABORT_TASK_SET: 4788 inot->arg = MSG_ABORT_TASK_SET; 4789 break; 4790 case MPT_CLEAR_TASK_SET: 4791 inot->arg = MSG_CLEAR_TASK_SET; 4792 break; 4793 case MPT_QUERY_ASYNC_EVENT: 4794 inot->arg = MSG_QUERY_ASYNC_EVENT; 4795 break; 4796 case MPT_LOGICAL_UNIT_RESET: 4797 inot->arg = MSG_LOGICAL_UNIT_RESET; 4798 break; 4799 case MPT_TARGET_RESET: 4800 inot->arg = MSG_TARGET_RESET; 4801 break; 4802 case MPT_CLEAR_ACA: 4803 inot->arg = MSG_CLEAR_ACA; 4804 break; 4805 default: 4806 inot->arg = MSG_NOOP; 4807 break; 4808 } 4809 tgt->ccb = (union ccb *) inot; 4810 inot->ccb_h.status = CAM_MESSAGE_RECV; 4811 xpt_done((union ccb *)inot); 4812 } 4813 4814 static void 4815 mpt_scsi_tgt_atio(struct mpt_softc *mpt, request_t *req, uint32_t reply_desc) 4816 { 4817 static uint8_t null_iqd[SHORT_INQUIRY_LENGTH] = { 4818 0x7f, 0x00, 0x02, 0x02, 0x20, 0x00, 0x00, 0x32, 4819 'F', 'R', 'E', 'E', 'B', 'S', 'D', ' ', 4820 'L', 'S', 'I', '-', 'L', 'O', 'G', 'I', 4821 'C', ' ', 'N', 'U', 'L', 'D', 'E', 'V', 4822 '0', '0', '0', '1' 4823 }; 4824 struct ccb_accept_tio *atiop; 4825 lun_id_t lun; 4826 int tag_action = 0; 4827 mpt_tgt_state_t *tgt; 4828 tgt_resource_t *trtp = NULL; 4829 U8 *lunptr; 4830 U8 *vbuf; 4831 U16 ioindex; 4832 mpt_task_mgmt_t fct = MPT_NIL_TMT_VALUE; 4833 uint8_t *cdbp; 4834 4835 /* 4836 * Stash info for the current command where we can get at it later. 4837 */ 4838 vbuf = req->req_vbuf; 4839 vbuf += MPT_RQSL(mpt); 4840 if (mpt->verbose >= MPT_PRT_DEBUG) { 4841 mpt_dump_data(mpt, "mpt_scsi_tgt_atio response", vbuf, 4842 max(sizeof (MPI_TARGET_FCP_CMD_BUFFER), 4843 max(sizeof (MPI_TARGET_SSP_CMD_BUFFER), 4844 sizeof (MPI_TARGET_SCSI_SPI_CMD_BUFFER)))); 4845 } 4846 4847 /* 4848 * Get our state pointer set up. 4849 */ 4850 tgt = MPT_TGT_STATE(mpt, req); 4851 if (tgt->state != TGT_STATE_LOADED) { 4852 mpt_tgt_dump_req_state(mpt, req); 4853 panic("bad target state in mpt_scsi_tgt_atio"); 4854 } 4855 memset(tgt, 0, sizeof (mpt_tgt_state_t)); 4856 tgt->state = TGT_STATE_IN_CAM; 4857 tgt->reply_desc = reply_desc; 4858 ioindex = GET_IO_INDEX(reply_desc); 4859 4860 /* 4861 * The tag we construct here allows us to find the 4862 * original request that the command came in with. 4863 * 4864 * This way we don't have to depend on anything but the 4865 * tag to find things when CCBs show back up from CAM. 4866 */ 4867 tgt->tag_id = MPT_MAKE_TAGID(mpt, req, ioindex); 4868 4869 if (mpt->is_fc) { 4870 PTR_MPI_TARGET_FCP_CMD_BUFFER fc; 4871 fc = (PTR_MPI_TARGET_FCP_CMD_BUFFER) vbuf; 4872 if (fc->FcpCntl[2]) { 4873 /* 4874 * Task Management Request 4875 */ 4876 switch (fc->FcpCntl[2]) { 4877 case 0x1: 4878 fct = MPT_QUERY_TASK_SET; 4879 break; 4880 case 0x2: 4881 fct = MPT_ABORT_TASK_SET; 4882 break; 4883 case 0x4: 4884 fct = MPT_CLEAR_TASK_SET; 4885 break; 4886 case 0x8: 4887 fct = MPT_QUERY_ASYNC_EVENT; 4888 break; 4889 case 0x10: 4890 fct = MPT_LOGICAL_UNIT_RESET; 4891 break; 4892 case 0x20: 4893 fct = MPT_TARGET_RESET; 4894 break; 4895 case 0x40: 4896 fct = MPT_CLEAR_ACA; 4897 break; 4898 default: 4899 mpt_prt(mpt, "CORRUPTED TASK MGMT BITS: 0x%x\n", 4900 fc->FcpCntl[2]); 4901 mpt_scsi_tgt_status(mpt, NULL, req, 4902 SCSI_STATUS_OK, NULL, 0); 4903 return; 4904 } 4905 } else { 4906 switch (fc->FcpCntl[1]) { 4907 case 0: 4908 tag_action = MSG_SIMPLE_Q_TAG; 4909 break; 4910 case 1: 4911 tag_action = MSG_HEAD_OF_Q_TAG; 4912 break; 4913 case 2: 4914 tag_action = MSG_ORDERED_Q_TAG; 4915 break; 4916 default: 4917 /* 4918 * Bah. Ignore Untagged Queing and ACA 4919 */ 4920 tag_action = MSG_SIMPLE_Q_TAG; 4921 break; 4922 } 4923 } 4924 tgt->resid = be32toh(fc->FcpDl); 4925 cdbp = fc->FcpCdb; 4926 lunptr = fc->FcpLun; 4927 tgt->itag = fc->OptionalOxid; 4928 } else if (mpt->is_sas) { 4929 PTR_MPI_TARGET_SSP_CMD_BUFFER ssp; 4930 ssp = (PTR_MPI_TARGET_SSP_CMD_BUFFER) vbuf; 4931 cdbp = ssp->CDB; 4932 lunptr = ssp->LogicalUnitNumber; 4933 tgt->itag = ssp->InitiatorTag; 4934 } else { 4935 PTR_MPI_TARGET_SCSI_SPI_CMD_BUFFER sp; 4936 sp = (PTR_MPI_TARGET_SCSI_SPI_CMD_BUFFER) vbuf; 4937 cdbp = sp->CDB; 4938 lunptr = sp->LogicalUnitNumber; 4939 tgt->itag = sp->Tag; 4940 } 4941 4942 lun = CAM_EXTLUN_BYTE_SWIZZLE(be64dec(lunptr)); 4943 4944 /* 4945 * Deal with non-enabled or bad luns here. 4946 */ 4947 if (lun >= MPT_MAX_LUNS || mpt->tenabled == 0 || 4948 mpt->trt[lun].enabled == 0) { 4949 if (mpt->twildcard) { 4950 trtp = &mpt->trt_wildcard; 4951 } else if (fct == MPT_NIL_TMT_VALUE) { 4952 /* 4953 * In this case, we haven't got an upstream listener 4954 * for either a specific lun or wildcard luns. We 4955 * have to make some sensible response. For regular 4956 * inquiry, just return some NOT HERE inquiry data. 4957 * For VPD inquiry, report illegal field in cdb. 4958 * For REQUEST SENSE, just return NO SENSE data. 4959 * REPORT LUNS gets illegal command. 4960 * All other commands get 'no such device'. 4961 */ 4962 uint8_t sense[MPT_SENSE_SIZE]; 4963 size_t len; 4964 4965 memset(sense, 0, sizeof(sense)); 4966 sense[0] = 0xf0; 4967 sense[2] = 0x5; 4968 sense[7] = 0x8; 4969 4970 switch (cdbp[0]) { 4971 case INQUIRY: 4972 { 4973 if (cdbp[1] != 0) { 4974 sense[12] = 0x26; 4975 sense[13] = 0x01; 4976 break; 4977 } 4978 len = min(tgt->resid, cdbp[4]); 4979 len = min(len, sizeof (null_iqd)); 4980 mpt_lprt(mpt, MPT_PRT_DEBUG, 4981 "local inquiry %ld bytes\n", (long) len); 4982 mpt_scsi_tgt_local(mpt, req, lun, 1, 4983 null_iqd, len); 4984 return; 4985 } 4986 case REQUEST_SENSE: 4987 { 4988 sense[2] = 0x0; 4989 len = min(tgt->resid, cdbp[4]); 4990 len = min(len, sizeof (sense)); 4991 mpt_lprt(mpt, MPT_PRT_DEBUG, 4992 "local reqsense %ld bytes\n", (long) len); 4993 mpt_scsi_tgt_local(mpt, req, lun, 1, 4994 sense, len); 4995 return; 4996 } 4997 case REPORT_LUNS: 4998 mpt_lprt(mpt, MPT_PRT_DEBUG, "REPORT LUNS\n"); 4999 sense[12] = 0x26; 5000 return; 5001 default: 5002 mpt_lprt(mpt, MPT_PRT_DEBUG, 5003 "CMD 0x%x to unmanaged lun %jx\n", 5004 cdbp[0], (uintmax_t)lun); 5005 sense[12] = 0x25; 5006 break; 5007 } 5008 mpt_scsi_tgt_status(mpt, NULL, req, 5009 SCSI_STATUS_CHECK_COND, sense, sizeof(sense)); 5010 return; 5011 } 5012 /* otherwise, leave trtp NULL */ 5013 } else { 5014 trtp = &mpt->trt[lun]; 5015 } 5016 5017 /* 5018 * Deal with any task management 5019 */ 5020 if (fct != MPT_NIL_TMT_VALUE) { 5021 if (trtp == NULL) { 5022 mpt_prt(mpt, "task mgmt function %x but no listener\n", 5023 fct); 5024 mpt_scsi_tgt_status(mpt, NULL, req, 5025 SCSI_STATUS_OK, NULL, 0); 5026 } else { 5027 mpt_scsi_tgt_tsk_mgmt(mpt, req, fct, trtp, 5028 GET_INITIATOR_INDEX(reply_desc)); 5029 } 5030 return; 5031 } 5032 5033 atiop = (struct ccb_accept_tio *) STAILQ_FIRST(&trtp->atios); 5034 if (atiop == NULL) { 5035 mpt_lprt(mpt, MPT_PRT_WARN, 5036 "no ATIOs for lun %jx- sending back %s\n", (uintmax_t)lun, 5037 mpt->tenabled? "QUEUE FULL" : "BUSY"); 5038 mpt_scsi_tgt_status(mpt, NULL, req, 5039 mpt->tenabled? SCSI_STATUS_QUEUE_FULL : SCSI_STATUS_BUSY, 5040 NULL, 0); 5041 return; 5042 } 5043 STAILQ_REMOVE_HEAD(&trtp->atios, sim_links.stqe); 5044 mpt_lprt(mpt, MPT_PRT_DEBUG1, 5045 "Get FREE ATIO %p lun %jx\n", atiop, 5046 (uintmax_t)atiop->ccb_h.target_lun); 5047 atiop->ccb_h.ccb_mpt_ptr = mpt; 5048 atiop->ccb_h.status = CAM_CDB_RECVD; 5049 atiop->ccb_h.target_lun = lun; 5050 atiop->sense_len = 0; 5051 atiop->tag_id = tgt->tag_id; 5052 atiop->init_id = GET_INITIATOR_INDEX(reply_desc); 5053 atiop->cdb_len = 16; 5054 memcpy(atiop->cdb_io.cdb_bytes, cdbp, atiop->cdb_len); 5055 if (tag_action) { 5056 atiop->tag_action = tag_action; 5057 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID; 5058 } 5059 if (mpt->verbose >= MPT_PRT_DEBUG) { 5060 int i; 5061 mpt_prt(mpt, "START_CCB %p for lun %jx CDB=<", atiop, 5062 (uintmax_t)atiop->ccb_h.target_lun); 5063 for (i = 0; i < atiop->cdb_len; i++) { 5064 mpt_prtc(mpt, "%02x%c", cdbp[i] & 0xff, 5065 (i == (atiop->cdb_len - 1))? '>' : ' '); 5066 } 5067 mpt_prtc(mpt, " itag %x tag %x rdesc %x dl=%u\n", 5068 tgt->itag, tgt->tag_id, tgt->reply_desc, tgt->resid); 5069 } 5070 5071 xpt_done((union ccb *)atiop); 5072 } 5073 5074 static void 5075 mpt_tgt_dump_tgt_state(struct mpt_softc *mpt, request_t *req) 5076 { 5077 mpt_tgt_state_t *tgt = MPT_TGT_STATE(mpt, req); 5078 5079 mpt_prt(mpt, "req %p:%u tgt:rdesc 0x%x resid %u xfrd %u ccb %p treq %p " 5080 "nx %d tag 0x%08x itag 0x%04x state=%d\n", req, req->serno, 5081 tgt->reply_desc, tgt->resid, tgt->bytes_xfered, tgt->ccb, 5082 tgt->req, tgt->nxfers, tgt->tag_id, tgt->itag, tgt->state); 5083 } 5084 5085 static void 5086 mpt_tgt_dump_req_state(struct mpt_softc *mpt, request_t *req) 5087 { 5088 5089 mpt_prt(mpt, "req %p:%u index %u (%x) state %x\n", req, req->serno, 5090 req->index, req->index, req->state); 5091 mpt_tgt_dump_tgt_state(mpt, req); 5092 } 5093 5094 static int 5095 mpt_scsi_tgt_reply_handler(struct mpt_softc *mpt, request_t *req, 5096 uint32_t reply_desc, MSG_DEFAULT_REPLY *reply_frame) 5097 { 5098 int dbg; 5099 union ccb *ccb; 5100 U16 status; 5101 5102 if (reply_frame == NULL) { 5103 /* 5104 * Figure out what the state of the command is. 5105 */ 5106 mpt_tgt_state_t *tgt = MPT_TGT_STATE(mpt, req); 5107 5108 #ifdef INVARIANTS 5109 mpt_req_spcl(mpt, req, "turbo scsi_tgt_reply", __LINE__); 5110 if (tgt->req) { 5111 mpt_req_not_spcl(mpt, tgt->req, 5112 "turbo scsi_tgt_reply associated req", __LINE__); 5113 } 5114 #endif 5115 switch(tgt->state) { 5116 case TGT_STATE_LOADED: 5117 /* 5118 * This is a new command starting. 5119 */ 5120 mpt_scsi_tgt_atio(mpt, req, reply_desc); 5121 break; 5122 case TGT_STATE_MOVING_DATA: 5123 { 5124 ccb = tgt->ccb; 5125 if (tgt->req == NULL) { 5126 panic("mpt: turbo target reply with null " 5127 "associated request moving data"); 5128 /* NOTREACHED */ 5129 } 5130 if (ccb == NULL) { 5131 if (tgt->is_local == 0) { 5132 panic("mpt: turbo target reply with " 5133 "null associated ccb moving data"); 5134 /* NOTREACHED */ 5135 } 5136 mpt_lprt(mpt, MPT_PRT_DEBUG, 5137 "TARGET_ASSIST local done\n"); 5138 TAILQ_REMOVE(&mpt->request_pending_list, 5139 tgt->req, links); 5140 mpt_free_request(mpt, tgt->req); 5141 tgt->req = NULL; 5142 mpt_scsi_tgt_status(mpt, NULL, req, 5143 0, NULL, 0); 5144 return (TRUE); 5145 } 5146 tgt->ccb = NULL; 5147 tgt->nxfers++; 5148 mpt_req_untimeout(tgt->req, mpt_timeout, ccb); 5149 mpt_lprt(mpt, MPT_PRT_DEBUG, 5150 "TARGET_ASSIST %p (req %p:%u) done tag 0x%x\n", 5151 ccb, tgt->req, tgt->req->serno, ccb->csio.tag_id); 5152 /* 5153 * Free the Target Assist Request 5154 */ 5155 KASSERT(tgt->req->ccb == ccb, 5156 ("tgt->req %p:%u tgt->req->ccb %p", tgt->req, 5157 tgt->req->serno, tgt->req->ccb)); 5158 TAILQ_REMOVE(&mpt->request_pending_list, 5159 tgt->req, links); 5160 mpt_free_request(mpt, tgt->req); 5161 tgt->req = NULL; 5162 5163 /* 5164 * Do we need to send status now? That is, are 5165 * we done with all our data transfers? 5166 */ 5167 if ((ccb->ccb_h.flags & CAM_SEND_STATUS) == 0) { 5168 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 5169 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 5170 KASSERT(ccb->ccb_h.status, 5171 ("zero ccb sts at %d", __LINE__)); 5172 tgt->state = TGT_STATE_IN_CAM; 5173 if (mpt->outofbeer) { 5174 ccb->ccb_h.status |= CAM_RELEASE_SIMQ; 5175 mpt->outofbeer = 0; 5176 mpt_lprt(mpt, MPT_PRT_DEBUG, "THAWQ\n"); 5177 } 5178 xpt_done(ccb); 5179 break; 5180 } 5181 /* 5182 * Otherwise, send status (and sense) 5183 */ 5184 mpt_scsi_tgt_status(mpt, ccb, req, 5185 ccb->csio.scsi_status, 5186 (void *)&ccb->csio.sense_data, 5187 (ccb->ccb_h.flags & CAM_SEND_SENSE) ? 5188 ccb->csio.sense_len : 0); 5189 break; 5190 } 5191 case TGT_STATE_SENDING_STATUS: 5192 case TGT_STATE_MOVING_DATA_AND_STATUS: 5193 { 5194 int ioindex; 5195 ccb = tgt->ccb; 5196 5197 if (tgt->req == NULL) { 5198 panic("mpt: turbo target reply with null " 5199 "associated request sending status"); 5200 /* NOTREACHED */ 5201 } 5202 5203 if (ccb) { 5204 tgt->ccb = NULL; 5205 if (tgt->state == 5206 TGT_STATE_MOVING_DATA_AND_STATUS) { 5207 tgt->nxfers++; 5208 } 5209 mpt_req_untimeout(tgt->req, mpt_timeout, ccb); 5210 if (ccb->ccb_h.flags & CAM_SEND_SENSE) { 5211 ccb->ccb_h.status |= CAM_SENT_SENSE; 5212 } 5213 mpt_lprt(mpt, MPT_PRT_DEBUG, 5214 "TARGET_STATUS tag %x sts %x flgs %x req " 5215 "%p\n", ccb->csio.tag_id, ccb->ccb_h.status, 5216 ccb->ccb_h.flags, tgt->req); 5217 /* 5218 * Free the Target Send Status Request 5219 */ 5220 KASSERT(tgt->req->ccb == ccb, 5221 ("tgt->req %p:%u tgt->req->ccb %p", 5222 tgt->req, tgt->req->serno, tgt->req->ccb)); 5223 /* 5224 * Notify CAM that we're done 5225 */ 5226 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 5227 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 5228 KASSERT(ccb->ccb_h.status, 5229 ("ZERO ccb sts at %d", __LINE__)); 5230 tgt->ccb = NULL; 5231 } else { 5232 mpt_lprt(mpt, MPT_PRT_DEBUG, 5233 "TARGET_STATUS non-CAM for req %p:%u\n", 5234 tgt->req, tgt->req->serno); 5235 } 5236 TAILQ_REMOVE(&mpt->request_pending_list, 5237 tgt->req, links); 5238 mpt_free_request(mpt, tgt->req); 5239 tgt->req = NULL; 5240 5241 /* 5242 * And re-post the Command Buffer. 5243 * This will reset the state. 5244 */ 5245 ioindex = GET_IO_INDEX(reply_desc); 5246 TAILQ_REMOVE(&mpt->request_pending_list, req, links); 5247 tgt->is_local = 0; 5248 mpt_post_target_command(mpt, req, ioindex); 5249 5250 /* 5251 * And post a done for anyone who cares 5252 */ 5253 if (ccb) { 5254 if (mpt->outofbeer) { 5255 ccb->ccb_h.status |= CAM_RELEASE_SIMQ; 5256 mpt->outofbeer = 0; 5257 mpt_lprt(mpt, MPT_PRT_DEBUG, "THAWQ\n"); 5258 } 5259 xpt_done(ccb); 5260 } 5261 break; 5262 } 5263 case TGT_STATE_NIL: /* XXX This Never Happens XXX */ 5264 tgt->state = TGT_STATE_LOADED; 5265 break; 5266 default: 5267 mpt_prt(mpt, "Unknown Target State 0x%x in Context " 5268 "Reply Function\n", tgt->state); 5269 } 5270 return (TRUE); 5271 } 5272 5273 status = le16toh(reply_frame->IOCStatus); 5274 if (status != MPI_IOCSTATUS_SUCCESS) { 5275 dbg = MPT_PRT_ERROR; 5276 } else { 5277 dbg = MPT_PRT_DEBUG1; 5278 } 5279 5280 mpt_lprt(mpt, dbg, 5281 "SCSI_TGT REPLY: req=%p:%u reply=%p func=%x IOCstatus 0x%x\n", 5282 req, req->serno, reply_frame, reply_frame->Function, status); 5283 5284 switch (reply_frame->Function) { 5285 case MPI_FUNCTION_TARGET_CMD_BUFFER_POST: 5286 { 5287 mpt_tgt_state_t *tgt; 5288 #ifdef INVARIANTS 5289 mpt_req_spcl(mpt, req, "tgt reply BUFFER POST", __LINE__); 5290 #endif 5291 if (status != MPI_IOCSTATUS_SUCCESS) { 5292 /* 5293 * XXX What to do? 5294 */ 5295 break; 5296 } 5297 tgt = MPT_TGT_STATE(mpt, req); 5298 KASSERT(tgt->state == TGT_STATE_LOADING, 5299 ("bad state 0x%x on reply to buffer post", tgt->state)); 5300 mpt_assign_serno(mpt, req); 5301 tgt->state = TGT_STATE_LOADED; 5302 break; 5303 } 5304 case MPI_FUNCTION_TARGET_ASSIST: 5305 #ifdef INVARIANTS 5306 mpt_req_not_spcl(mpt, req, "tgt reply TARGET ASSIST", __LINE__); 5307 #endif 5308 mpt_prt(mpt, "target assist completion\n"); 5309 TAILQ_REMOVE(&mpt->request_pending_list, req, links); 5310 mpt_free_request(mpt, req); 5311 break; 5312 case MPI_FUNCTION_TARGET_STATUS_SEND: 5313 #ifdef INVARIANTS 5314 mpt_req_not_spcl(mpt, req, "tgt reply STATUS SEND", __LINE__); 5315 #endif 5316 mpt_prt(mpt, "status send completion\n"); 5317 TAILQ_REMOVE(&mpt->request_pending_list, req, links); 5318 mpt_free_request(mpt, req); 5319 break; 5320 case MPI_FUNCTION_TARGET_MODE_ABORT: 5321 { 5322 PTR_MSG_TARGET_MODE_ABORT_REPLY abtrp = 5323 (PTR_MSG_TARGET_MODE_ABORT_REPLY) reply_frame; 5324 PTR_MSG_TARGET_MODE_ABORT abtp = 5325 (PTR_MSG_TARGET_MODE_ABORT) req->req_vbuf; 5326 uint32_t cc = GET_IO_INDEX(le32toh(abtp->ReplyWord)); 5327 #ifdef INVARIANTS 5328 mpt_req_not_spcl(mpt, req, "tgt reply TMODE ABORT", __LINE__); 5329 #endif 5330 mpt_prt(mpt, "ABORT RX_ID 0x%x Complete; status 0x%x cnt %u\n", 5331 cc, le16toh(abtrp->IOCStatus), le32toh(abtrp->AbortCount)); 5332 TAILQ_REMOVE(&mpt->request_pending_list, req, links); 5333 mpt_free_request(mpt, req); 5334 break; 5335 } 5336 default: 5337 mpt_prt(mpt, "Unknown Target Address Reply Function code: " 5338 "0x%x\n", reply_frame->Function); 5339 break; 5340 } 5341 return (TRUE); 5342 } 5343