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 __FBSDID("$FreeBSD$"); 100 101 #include <dev/mpt/mpt.h> 102 #include <dev/mpt/mpt_cam.h> 103 #include <dev/mpt/mpt_raid.h> 104 105 #include "dev/mpt/mpilib/mpi_ioc.h" /* XXX Fix Event Handling!!! */ 106 #include "dev/mpt/mpilib/mpi_init.h" 107 #include "dev/mpt/mpilib/mpi_targ.h" 108 #include "dev/mpt/mpilib/mpi_fc.h" 109 #include "dev/mpt/mpilib/mpi_sas.h" 110 111 #include <sys/callout.h> 112 #include <sys/kthread.h> 113 #include <sys/sysctl.h> 114 115 static void mpt_poll(struct cam_sim *); 116 static callout_func_t mpt_timeout; 117 static void mpt_action(struct cam_sim *, union ccb *); 118 static int 119 mpt_get_spi_settings(struct mpt_softc *, struct ccb_trans_settings *); 120 static void mpt_setwidth(struct mpt_softc *, int, int); 121 static void mpt_setsync(struct mpt_softc *, int, int, int); 122 static int mpt_update_spi_config(struct mpt_softc *, int); 123 124 static mpt_reply_handler_t mpt_scsi_reply_handler; 125 static mpt_reply_handler_t mpt_scsi_tmf_reply_handler; 126 static mpt_reply_handler_t mpt_fc_els_reply_handler; 127 static int mpt_scsi_reply_frame_handler(struct mpt_softc *, request_t *, 128 MSG_DEFAULT_REPLY *); 129 static int mpt_bus_reset(struct mpt_softc *, target_id_t, lun_id_t, int); 130 static int mpt_fc_reset_link(struct mpt_softc *, int); 131 132 static int mpt_spawn_recovery_thread(struct mpt_softc *mpt); 133 static void mpt_terminate_recovery_thread(struct mpt_softc *mpt); 134 static void mpt_recovery_thread(void *arg); 135 static void mpt_recover_commands(struct mpt_softc *mpt); 136 137 static int mpt_scsi_send_tmf(struct mpt_softc *, u_int, u_int, u_int, 138 target_id_t, lun_id_t, u_int, int); 139 140 static void mpt_fc_post_els(struct mpt_softc *mpt, request_t *, int); 141 static void mpt_post_target_command(struct mpt_softc *, request_t *, int); 142 static int mpt_add_els_buffers(struct mpt_softc *mpt); 143 static int mpt_add_target_commands(struct mpt_softc *mpt); 144 static int mpt_enable_lun(struct mpt_softc *, target_id_t, lun_id_t); 145 static int mpt_disable_lun(struct mpt_softc *, target_id_t, lun_id_t); 146 static void mpt_target_start_io(struct mpt_softc *, union ccb *); 147 static cam_status mpt_abort_target_ccb(struct mpt_softc *, union ccb *); 148 static int mpt_abort_target_cmd(struct mpt_softc *, request_t *); 149 static void mpt_scsi_tgt_status(struct mpt_softc *, union ccb *, request_t *, 150 uint8_t, uint8_t const *, u_int); 151 static void 152 mpt_scsi_tgt_tsk_mgmt(struct mpt_softc *, request_t *, mpt_task_mgmt_t, 153 tgt_resource_t *, int); 154 static void mpt_tgt_dump_tgt_state(struct mpt_softc *, request_t *); 155 static void mpt_tgt_dump_req_state(struct mpt_softc *, request_t *); 156 static mpt_reply_handler_t mpt_scsi_tgt_reply_handler; 157 static mpt_reply_handler_t mpt_sata_pass_reply_handler; 158 159 static uint32_t scsi_io_handler_id = MPT_HANDLER_ID_NONE; 160 static uint32_t scsi_tmf_handler_id = MPT_HANDLER_ID_NONE; 161 static uint32_t fc_els_handler_id = MPT_HANDLER_ID_NONE; 162 static uint32_t sata_pass_handler_id = MPT_HANDLER_ID_NONE; 163 164 static mpt_probe_handler_t mpt_cam_probe; 165 static mpt_attach_handler_t mpt_cam_attach; 166 static mpt_enable_handler_t mpt_cam_enable; 167 static mpt_ready_handler_t mpt_cam_ready; 168 static mpt_event_handler_t mpt_cam_event; 169 static mpt_reset_handler_t mpt_cam_ioc_reset; 170 static mpt_detach_handler_t mpt_cam_detach; 171 172 static struct mpt_personality mpt_cam_personality = 173 { 174 .name = "mpt_cam", 175 .probe = mpt_cam_probe, 176 .attach = mpt_cam_attach, 177 .enable = mpt_cam_enable, 178 .ready = mpt_cam_ready, 179 .event = mpt_cam_event, 180 .reset = mpt_cam_ioc_reset, 181 .detach = mpt_cam_detach, 182 }; 183 184 DECLARE_MPT_PERSONALITY(mpt_cam, SI_ORDER_SECOND); 185 MODULE_DEPEND(mpt_cam, cam, 1, 1, 1); 186 187 int mpt_enable_sata_wc = -1; 188 TUNABLE_INT("hw.mpt.enable_sata_wc", &mpt_enable_sata_wc); 189 190 static int 191 mpt_cam_probe(struct mpt_softc *mpt) 192 { 193 int role; 194 195 /* 196 * Only attach to nodes that support the initiator or target role 197 * (or want to) or have RAID physical devices that need CAM pass-thru 198 * support. 199 */ 200 if (mpt->do_cfg_role) { 201 role = mpt->cfg_role; 202 } else { 203 role = mpt->role; 204 } 205 if ((role & (MPT_ROLE_TARGET|MPT_ROLE_INITIATOR)) != 0 || 206 (mpt->ioc_page2 != NULL && mpt->ioc_page2->MaxPhysDisks != 0)) { 207 return (0); 208 } 209 return (ENODEV); 210 } 211 212 static int 213 mpt_cam_attach(struct mpt_softc *mpt) 214 { 215 struct cam_devq *devq; 216 mpt_handler_t handler; 217 int maxq; 218 int error; 219 220 MPT_LOCK(mpt); 221 TAILQ_INIT(&mpt->request_timeout_list); 222 maxq = (mpt->ioc_facts.GlobalCredits < MPT_MAX_REQUESTS(mpt))? 223 mpt->ioc_facts.GlobalCredits : MPT_MAX_REQUESTS(mpt); 224 225 handler.reply_handler = mpt_scsi_reply_handler; 226 error = mpt_register_handler(mpt, MPT_HANDLER_REPLY, handler, 227 &scsi_io_handler_id); 228 if (error != 0) { 229 MPT_UNLOCK(mpt); 230 goto cleanup; 231 } 232 233 handler.reply_handler = mpt_scsi_tmf_reply_handler; 234 error = mpt_register_handler(mpt, MPT_HANDLER_REPLY, handler, 235 &scsi_tmf_handler_id); 236 if (error != 0) { 237 MPT_UNLOCK(mpt); 238 goto cleanup; 239 } 240 241 /* 242 * If we're fibre channel and could support target mode, we register 243 * an ELS reply handler and give it resources. 244 */ 245 if (mpt->is_fc && (mpt->role & MPT_ROLE_TARGET) != 0) { 246 handler.reply_handler = mpt_fc_els_reply_handler; 247 error = mpt_register_handler(mpt, MPT_HANDLER_REPLY, handler, 248 &fc_els_handler_id); 249 if (error != 0) { 250 MPT_UNLOCK(mpt); 251 goto cleanup; 252 } 253 if (mpt_add_els_buffers(mpt) == FALSE) { 254 error = ENOMEM; 255 MPT_UNLOCK(mpt); 256 goto cleanup; 257 } 258 maxq -= mpt->els_cmds_allocated; 259 } 260 261 /* 262 * If we support target mode, we register a reply handler for it, 263 * but don't add command resources until we actually enable target 264 * mode. 265 */ 266 if (mpt->is_fc && (mpt->role & MPT_ROLE_TARGET) != 0) { 267 handler.reply_handler = mpt_scsi_tgt_reply_handler; 268 error = mpt_register_handler(mpt, MPT_HANDLER_REPLY, handler, 269 &mpt->scsi_tgt_handler_id); 270 if (error != 0) { 271 MPT_UNLOCK(mpt); 272 goto cleanup; 273 } 274 } 275 276 if (mpt->is_sas) { 277 handler.reply_handler = mpt_sata_pass_reply_handler; 278 error = mpt_register_handler(mpt, MPT_HANDLER_REPLY, handler, 279 &sata_pass_handler_id); 280 if (error != 0) { 281 MPT_UNLOCK(mpt); 282 goto cleanup; 283 } 284 } 285 286 /* 287 * We keep one request reserved for timeout TMF requests. 288 */ 289 mpt->tmf_req = mpt_get_request(mpt, FALSE); 290 if (mpt->tmf_req == NULL) { 291 mpt_prt(mpt, "Unable to allocate dedicated TMF request!\n"); 292 error = ENOMEM; 293 MPT_UNLOCK(mpt); 294 goto cleanup; 295 } 296 297 /* 298 * Mark the request as free even though not on the free list. 299 * There is only one TMF request allowed to be outstanding at 300 * a time and the TMF routines perform their own allocation 301 * tracking using the standard state flags. 302 */ 303 mpt->tmf_req->state = REQ_STATE_FREE; 304 maxq--; 305 306 /* 307 * The rest of this is CAM foo, for which we need to drop our lock 308 */ 309 MPT_UNLOCK(mpt); 310 311 if (mpt_spawn_recovery_thread(mpt) != 0) { 312 mpt_prt(mpt, "Unable to spawn recovery thread!\n"); 313 error = ENOMEM; 314 goto cleanup; 315 } 316 317 /* 318 * Create the device queue for our SIM(s). 319 */ 320 devq = cam_simq_alloc(maxq); 321 if (devq == NULL) { 322 mpt_prt(mpt, "Unable to allocate CAM SIMQ!\n"); 323 error = ENOMEM; 324 goto cleanup; 325 } 326 327 /* 328 * Construct our SIM entry. 329 */ 330 mpt->sim = 331 mpt_sim_alloc(mpt_action, mpt_poll, "mpt", mpt, 1, maxq, devq); 332 if (mpt->sim == NULL) { 333 mpt_prt(mpt, "Unable to allocate CAM SIM!\n"); 334 cam_simq_free(devq); 335 error = ENOMEM; 336 goto cleanup; 337 } 338 339 /* 340 * Register exactly this bus. 341 */ 342 MPT_LOCK(mpt); 343 if (xpt_bus_register(mpt->sim, mpt->dev, 0) != CAM_SUCCESS) { 344 mpt_prt(mpt, "Bus registration Failed!\n"); 345 error = ENOMEM; 346 MPT_UNLOCK(mpt); 347 goto cleanup; 348 } 349 350 if (xpt_create_path(&mpt->path, NULL, cam_sim_path(mpt->sim), 351 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 352 mpt_prt(mpt, "Unable to allocate Path!\n"); 353 error = ENOMEM; 354 MPT_UNLOCK(mpt); 355 goto cleanup; 356 } 357 MPT_UNLOCK(mpt); 358 359 /* 360 * Only register a second bus for RAID physical 361 * devices if the controller supports RAID. 362 */ 363 if (mpt->ioc_page2 == NULL || mpt->ioc_page2->MaxPhysDisks == 0) { 364 return (0); 365 } 366 367 /* 368 * Create a "bus" to export all hidden disks to CAM. 369 */ 370 mpt->phydisk_sim = 371 mpt_sim_alloc(mpt_action, mpt_poll, "mpt", mpt, 1, maxq, devq); 372 if (mpt->phydisk_sim == NULL) { 373 mpt_prt(mpt, "Unable to allocate Physical Disk CAM SIM!\n"); 374 error = ENOMEM; 375 goto cleanup; 376 } 377 378 /* 379 * Register this bus. 380 */ 381 MPT_LOCK(mpt); 382 if (xpt_bus_register(mpt->phydisk_sim, mpt->dev, 1) != 383 CAM_SUCCESS) { 384 mpt_prt(mpt, "Physical Disk Bus registration Failed!\n"); 385 error = ENOMEM; 386 MPT_UNLOCK(mpt); 387 goto cleanup; 388 } 389 390 if (xpt_create_path(&mpt->phydisk_path, NULL, 391 cam_sim_path(mpt->phydisk_sim), 392 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 393 mpt_prt(mpt, "Unable to allocate Physical Disk Path!\n"); 394 error = ENOMEM; 395 MPT_UNLOCK(mpt); 396 goto cleanup; 397 } 398 MPT_UNLOCK(mpt); 399 mpt_lprt(mpt, MPT_PRT_DEBUG, "attached cam\n"); 400 return (0); 401 402 cleanup: 403 mpt_cam_detach(mpt); 404 return (error); 405 } 406 407 /* 408 * Read FC configuration information 409 */ 410 static int 411 mpt_read_config_info_fc(struct mpt_softc *mpt) 412 { 413 struct sysctl_ctx_list *ctx; 414 struct sysctl_oid *tree; 415 char *topology = NULL; 416 int rv; 417 418 rv = mpt_read_cfg_header(mpt, MPI_CONFIG_PAGETYPE_FC_PORT, 0, 419 0, &mpt->mpt_fcport_page0.Header, FALSE, 5000); 420 if (rv) { 421 return (-1); 422 } 423 mpt_lprt(mpt, MPT_PRT_DEBUG, "FC Port Page 0 Header: %x %x %x %x\n", 424 mpt->mpt_fcport_page0.Header.PageVersion, 425 mpt->mpt_fcport_page0.Header.PageLength, 426 mpt->mpt_fcport_page0.Header.PageNumber, 427 mpt->mpt_fcport_page0.Header.PageType); 428 429 rv = mpt_read_cur_cfg_page(mpt, 0, &mpt->mpt_fcport_page0.Header, 430 sizeof(mpt->mpt_fcport_page0), FALSE, 5000); 431 if (rv) { 432 mpt_prt(mpt, "failed to read FC Port Page 0\n"); 433 return (-1); 434 } 435 mpt2host_config_page_fc_port_0(&mpt->mpt_fcport_page0); 436 437 switch (mpt->mpt_fcport_page0.CurrentSpeed) { 438 case MPI_FCPORTPAGE0_CURRENT_SPEED_1GBIT: 439 mpt->mpt_fcport_speed = 1; 440 break; 441 case MPI_FCPORTPAGE0_CURRENT_SPEED_2GBIT: 442 mpt->mpt_fcport_speed = 2; 443 break; 444 case MPI_FCPORTPAGE0_CURRENT_SPEED_10GBIT: 445 mpt->mpt_fcport_speed = 10; 446 break; 447 case MPI_FCPORTPAGE0_CURRENT_SPEED_4GBIT: 448 mpt->mpt_fcport_speed = 4; 449 break; 450 default: 451 mpt->mpt_fcport_speed = 0; 452 break; 453 } 454 455 switch (mpt->mpt_fcport_page0.Flags & 456 MPI_FCPORTPAGE0_FLAGS_ATTACH_TYPE_MASK) { 457 case MPI_FCPORTPAGE0_FLAGS_ATTACH_NO_INIT: 458 mpt->mpt_fcport_speed = 0; 459 topology = "<NO LOOP>"; 460 break; 461 case MPI_FCPORTPAGE0_FLAGS_ATTACH_POINT_TO_POINT: 462 topology = "N-Port"; 463 break; 464 case MPI_FCPORTPAGE0_FLAGS_ATTACH_PRIVATE_LOOP: 465 topology = "NL-Port"; 466 break; 467 case MPI_FCPORTPAGE0_FLAGS_ATTACH_FABRIC_DIRECT: 468 topology = "F-Port"; 469 break; 470 case MPI_FCPORTPAGE0_FLAGS_ATTACH_PUBLIC_LOOP: 471 topology = "FL-Port"; 472 break; 473 default: 474 mpt->mpt_fcport_speed = 0; 475 topology = "?"; 476 break; 477 } 478 479 mpt->scinfo.fc.wwnn = ((uint64_t)mpt->mpt_fcport_page0.WWNN.High << 32) 480 | mpt->mpt_fcport_page0.WWNN.Low; 481 mpt->scinfo.fc.wwpn = ((uint64_t)mpt->mpt_fcport_page0.WWPN.High << 32) 482 | mpt->mpt_fcport_page0.WWPN.Low; 483 mpt->scinfo.fc.portid = mpt->mpt_fcport_page0.PortIdentifier; 484 485 mpt_lprt(mpt, MPT_PRT_INFO, 486 "FC Port Page 0: Topology <%s> WWNN 0x%16jx WWPN 0x%16jx " 487 "Speed %u-Gbit\n", topology, 488 (uintmax_t)mpt->scinfo.fc.wwnn, (uintmax_t)mpt->scinfo.fc.wwpn, 489 mpt->mpt_fcport_speed); 490 MPT_UNLOCK(mpt); 491 ctx = device_get_sysctl_ctx(mpt->dev); 492 tree = device_get_sysctl_tree(mpt->dev); 493 494 SYSCTL_ADD_QUAD(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 495 "wwnn", CTLFLAG_RD, &mpt->scinfo.fc.wwnn, 496 "World Wide Node Name"); 497 498 SYSCTL_ADD_QUAD(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 499 "wwpn", CTLFLAG_RD, &mpt->scinfo.fc.wwpn, 500 "World Wide Port Name"); 501 502 MPT_LOCK(mpt); 503 return (0); 504 } 505 506 /* 507 * Set FC configuration information. 508 */ 509 static int 510 mpt_set_initial_config_fc(struct mpt_softc *mpt) 511 { 512 CONFIG_PAGE_FC_PORT_1 fc; 513 U32 fl; 514 int r, doit = 0; 515 int role; 516 517 r = mpt_read_cfg_header(mpt, MPI_CONFIG_PAGETYPE_FC_PORT, 1, 0, 518 &fc.Header, FALSE, 5000); 519 if (r) { 520 mpt_prt(mpt, "failed to read FC page 1 header\n"); 521 return (mpt_fc_reset_link(mpt, 1)); 522 } 523 524 r = mpt_read_cfg_page(mpt, MPI_CONFIG_ACTION_PAGE_READ_NVRAM, 0, 525 &fc.Header, sizeof (fc), FALSE, 5000); 526 if (r) { 527 mpt_prt(mpt, "failed to read FC page 1\n"); 528 return (mpt_fc_reset_link(mpt, 1)); 529 } 530 mpt2host_config_page_fc_port_1(&fc); 531 532 /* 533 * Check our flags to make sure we support the role we want. 534 */ 535 doit = 0; 536 role = 0; 537 fl = fc.Flags; 538 539 if (fl & MPI_FCPORTPAGE1_FLAGS_PROT_FCP_INIT) { 540 role |= MPT_ROLE_INITIATOR; 541 } 542 if (fl & MPI_FCPORTPAGE1_FLAGS_PROT_FCP_TARG) { 543 role |= MPT_ROLE_TARGET; 544 } 545 546 fl &= ~MPI_FCPORTPAGE1_FLAGS_PROT_MASK; 547 548 if (mpt->do_cfg_role == 0) { 549 role = mpt->cfg_role; 550 } else { 551 mpt->do_cfg_role = 0; 552 } 553 554 if (role != mpt->cfg_role) { 555 if (mpt->cfg_role & MPT_ROLE_INITIATOR) { 556 if ((role & MPT_ROLE_INITIATOR) == 0) { 557 mpt_prt(mpt, "adding initiator role\n"); 558 fl |= MPI_FCPORTPAGE1_FLAGS_PROT_FCP_INIT; 559 doit++; 560 } else { 561 mpt_prt(mpt, "keeping initiator role\n"); 562 } 563 } else if (role & MPT_ROLE_INITIATOR) { 564 mpt_prt(mpt, "removing initiator role\n"); 565 doit++; 566 } 567 if (mpt->cfg_role & MPT_ROLE_TARGET) { 568 if ((role & MPT_ROLE_TARGET) == 0) { 569 mpt_prt(mpt, "adding target role\n"); 570 fl |= MPI_FCPORTPAGE1_FLAGS_PROT_FCP_TARG; 571 doit++; 572 } else { 573 mpt_prt(mpt, "keeping target role\n"); 574 } 575 } else if (role & MPT_ROLE_TARGET) { 576 mpt_prt(mpt, "removing target role\n"); 577 doit++; 578 } 579 mpt->role = mpt->cfg_role; 580 } 581 582 if (fl & MPI_FCPORTPAGE1_FLAGS_PROT_FCP_TARG) { 583 if ((fl & MPI_FCPORTPAGE1_FLAGS_TARGET_MODE_OXID) == 0) { 584 mpt_prt(mpt, "adding OXID option\n"); 585 fl |= MPI_FCPORTPAGE1_FLAGS_TARGET_MODE_OXID; 586 doit++; 587 } 588 } 589 590 if (doit) { 591 fc.Flags = fl; 592 host2mpt_config_page_fc_port_1(&fc); 593 r = mpt_write_cfg_page(mpt, 594 MPI_CONFIG_ACTION_PAGE_WRITE_NVRAM, 0, &fc.Header, 595 sizeof(fc), FALSE, 5000); 596 if (r != 0) { 597 mpt_prt(mpt, "failed to update NVRAM with changes\n"); 598 return (0); 599 } 600 mpt_prt(mpt, "NOTE: NVRAM changes will not take " 601 "effect until next reboot or IOC reset\n"); 602 } 603 return (0); 604 } 605 606 static int 607 mptsas_sas_io_unit_pg0(struct mpt_softc *mpt, struct mptsas_portinfo *portinfo) 608 { 609 ConfigExtendedPageHeader_t hdr; 610 struct mptsas_phyinfo *phyinfo; 611 SasIOUnitPage0_t *buffer; 612 int error, len, i; 613 614 error = mpt_read_extcfg_header(mpt, MPI_SASIOUNITPAGE0_PAGEVERSION, 615 0, 0, MPI_CONFIG_EXTPAGETYPE_SAS_IO_UNIT, 616 &hdr, 0, 10000); 617 if (error) 618 goto out; 619 if (hdr.ExtPageLength == 0) { 620 error = ENXIO; 621 goto out; 622 } 623 624 len = hdr.ExtPageLength * 4; 625 buffer = malloc(len, M_DEVBUF, M_NOWAIT|M_ZERO); 626 if (buffer == NULL) { 627 error = ENOMEM; 628 goto out; 629 } 630 631 error = mpt_read_extcfg_page(mpt, MPI_CONFIG_ACTION_PAGE_READ_CURRENT, 632 0, &hdr, buffer, len, 0, 10000); 633 if (error) { 634 free(buffer, M_DEVBUF); 635 goto out; 636 } 637 638 portinfo->num_phys = buffer->NumPhys; 639 portinfo->phy_info = malloc(sizeof(*portinfo->phy_info) * 640 portinfo->num_phys, M_DEVBUF, M_NOWAIT|M_ZERO); 641 if (portinfo->phy_info == NULL) { 642 free(buffer, M_DEVBUF); 643 error = ENOMEM; 644 goto out; 645 } 646 647 for (i = 0; i < portinfo->num_phys; i++) { 648 phyinfo = &portinfo->phy_info[i]; 649 phyinfo->phy_num = i; 650 phyinfo->port_id = buffer->PhyData[i].Port; 651 phyinfo->negotiated_link_rate = 652 buffer->PhyData[i].NegotiatedLinkRate; 653 phyinfo->handle = 654 le16toh(buffer->PhyData[i].ControllerDevHandle); 655 } 656 657 free(buffer, M_DEVBUF); 658 out: 659 return (error); 660 } 661 662 static int 663 mptsas_sas_phy_pg0(struct mpt_softc *mpt, struct mptsas_phyinfo *phy_info, 664 uint32_t form, uint32_t form_specific) 665 { 666 ConfigExtendedPageHeader_t hdr; 667 SasPhyPage0_t *buffer; 668 int error; 669 670 error = mpt_read_extcfg_header(mpt, MPI_SASPHY0_PAGEVERSION, 0, 0, 671 MPI_CONFIG_EXTPAGETYPE_SAS_PHY, &hdr, 672 0, 10000); 673 if (error) 674 goto out; 675 if (hdr.ExtPageLength == 0) { 676 error = ENXIO; 677 goto out; 678 } 679 680 buffer = malloc(sizeof(SasPhyPage0_t), M_DEVBUF, M_NOWAIT|M_ZERO); 681 if (buffer == NULL) { 682 error = ENOMEM; 683 goto out; 684 } 685 686 error = mpt_read_extcfg_page(mpt, MPI_CONFIG_ACTION_PAGE_READ_CURRENT, 687 form + form_specific, &hdr, buffer, 688 sizeof(SasPhyPage0_t), 0, 10000); 689 if (error) { 690 free(buffer, M_DEVBUF); 691 goto out; 692 } 693 694 phy_info->hw_link_rate = buffer->HwLinkRate; 695 phy_info->programmed_link_rate = buffer->ProgrammedLinkRate; 696 phy_info->identify.dev_handle = le16toh(buffer->OwnerDevHandle); 697 phy_info->attached.dev_handle = le16toh(buffer->AttachedDevHandle); 698 699 free(buffer, M_DEVBUF); 700 out: 701 return (error); 702 } 703 704 static int 705 mptsas_sas_device_pg0(struct mpt_softc *mpt, struct mptsas_devinfo *device_info, 706 uint32_t form, uint32_t form_specific) 707 { 708 ConfigExtendedPageHeader_t hdr; 709 SasDevicePage0_t *buffer; 710 uint64_t sas_address; 711 int error = 0; 712 713 bzero(device_info, sizeof(*device_info)); 714 error = mpt_read_extcfg_header(mpt, MPI_SASDEVICE0_PAGEVERSION, 0, 0, 715 MPI_CONFIG_EXTPAGETYPE_SAS_DEVICE, 716 &hdr, 0, 10000); 717 if (error) 718 goto out; 719 if (hdr.ExtPageLength == 0) { 720 error = ENXIO; 721 goto out; 722 } 723 724 buffer = malloc(sizeof(SasDevicePage0_t), M_DEVBUF, M_NOWAIT|M_ZERO); 725 if (buffer == NULL) { 726 error = ENOMEM; 727 goto out; 728 } 729 730 error = mpt_read_extcfg_page(mpt, MPI_CONFIG_ACTION_PAGE_READ_CURRENT, 731 form + form_specific, &hdr, buffer, 732 sizeof(SasDevicePage0_t), 0, 10000); 733 if (error) { 734 free(buffer, M_DEVBUF); 735 goto out; 736 } 737 738 device_info->dev_handle = le16toh(buffer->DevHandle); 739 device_info->parent_dev_handle = le16toh(buffer->ParentDevHandle); 740 device_info->enclosure_handle = le16toh(buffer->EnclosureHandle); 741 device_info->slot = le16toh(buffer->Slot); 742 device_info->phy_num = buffer->PhyNum; 743 device_info->physical_port = buffer->PhysicalPort; 744 device_info->target_id = buffer->TargetID; 745 device_info->bus = buffer->Bus; 746 bcopy(&buffer->SASAddress, &sas_address, sizeof(uint64_t)); 747 device_info->sas_address = le64toh(sas_address); 748 device_info->device_info = le32toh(buffer->DeviceInfo); 749 750 free(buffer, M_DEVBUF); 751 out: 752 return (error); 753 } 754 755 /* 756 * Read SAS configuration information. Nothing to do yet. 757 */ 758 static int 759 mpt_read_config_info_sas(struct mpt_softc *mpt) 760 { 761 struct mptsas_portinfo *portinfo; 762 struct mptsas_phyinfo *phyinfo; 763 int error, i; 764 765 portinfo = malloc(sizeof(*portinfo), M_DEVBUF, M_NOWAIT|M_ZERO); 766 if (portinfo == NULL) 767 return (ENOMEM); 768 769 error = mptsas_sas_io_unit_pg0(mpt, portinfo); 770 if (error) { 771 free(portinfo, M_DEVBUF); 772 return (0); 773 } 774 775 for (i = 0; i < portinfo->num_phys; i++) { 776 phyinfo = &portinfo->phy_info[i]; 777 error = mptsas_sas_phy_pg0(mpt, phyinfo, 778 (MPI_SAS_PHY_PGAD_FORM_PHY_NUMBER << 779 MPI_SAS_PHY_PGAD_FORM_SHIFT), i); 780 if (error) 781 break; 782 error = mptsas_sas_device_pg0(mpt, &phyinfo->identify, 783 (MPI_SAS_DEVICE_PGAD_FORM_HANDLE << 784 MPI_SAS_DEVICE_PGAD_FORM_SHIFT), 785 phyinfo->handle); 786 if (error) 787 break; 788 phyinfo->identify.phy_num = phyinfo->phy_num = i; 789 if (phyinfo->attached.dev_handle) 790 error = mptsas_sas_device_pg0(mpt, 791 &phyinfo->attached, 792 (MPI_SAS_DEVICE_PGAD_FORM_HANDLE << 793 MPI_SAS_DEVICE_PGAD_FORM_SHIFT), 794 phyinfo->attached.dev_handle); 795 if (error) 796 break; 797 } 798 mpt->sas_portinfo = portinfo; 799 return (0); 800 } 801 802 static void 803 mptsas_set_sata_wc(struct mpt_softc *mpt, struct mptsas_devinfo *devinfo, 804 int enabled) 805 { 806 SataPassthroughRequest_t *pass; 807 request_t *req; 808 int error, status; 809 810 req = mpt_get_request(mpt, 0); 811 if (req == NULL) 812 return; 813 814 pass = req->req_vbuf; 815 bzero(pass, sizeof(SataPassthroughRequest_t)); 816 pass->Function = MPI_FUNCTION_SATA_PASSTHROUGH; 817 pass->TargetID = devinfo->target_id; 818 pass->Bus = devinfo->bus; 819 pass->PassthroughFlags = 0; 820 pass->ConnectionRate = MPI_SATA_PT_REQ_CONNECT_RATE_NEGOTIATED; 821 pass->DataLength = 0; 822 pass->MsgContext = htole32(req->index | sata_pass_handler_id); 823 pass->CommandFIS[0] = 0x27; 824 pass->CommandFIS[1] = 0x80; 825 pass->CommandFIS[2] = 0xef; 826 pass->CommandFIS[3] = (enabled) ? 0x02 : 0x82; 827 pass->CommandFIS[7] = 0x40; 828 pass->CommandFIS[15] = 0x08; 829 830 mpt_check_doorbell(mpt); 831 mpt_send_cmd(mpt, req); 832 error = mpt_wait_req(mpt, req, REQ_STATE_DONE, REQ_STATE_DONE, 0, 833 10 * 1000); 834 if (error) { 835 mpt_free_request(mpt, req); 836 printf("error %d sending passthrough\n", error); 837 return; 838 } 839 840 status = le16toh(req->IOCStatus); 841 if (status != MPI_IOCSTATUS_SUCCESS) { 842 mpt_free_request(mpt, req); 843 printf("IOCSTATUS %d\n", status); 844 return; 845 } 846 847 mpt_free_request(mpt, req); 848 } 849 850 /* 851 * Set SAS configuration information. Nothing to do yet. 852 */ 853 static int 854 mpt_set_initial_config_sas(struct mpt_softc *mpt) 855 { 856 struct mptsas_phyinfo *phyinfo; 857 int i; 858 859 if ((mpt_enable_sata_wc != -1) && (mpt->sas_portinfo != NULL)) { 860 for (i = 0; i < mpt->sas_portinfo->num_phys; i++) { 861 phyinfo = &mpt->sas_portinfo->phy_info[i]; 862 if (phyinfo->attached.dev_handle == 0) 863 continue; 864 if ((phyinfo->attached.device_info & 865 MPI_SAS_DEVICE_INFO_SATA_DEVICE) == 0) 866 continue; 867 if (bootverbose) 868 device_printf(mpt->dev, 869 "%sabling SATA WC on phy %d\n", 870 (mpt_enable_sata_wc) ? "En" : "Dis", i); 871 mptsas_set_sata_wc(mpt, &phyinfo->attached, 872 mpt_enable_sata_wc); 873 } 874 } 875 876 return (0); 877 } 878 879 static int 880 mpt_sata_pass_reply_handler(struct mpt_softc *mpt, request_t *req, 881 uint32_t reply_desc, MSG_DEFAULT_REPLY *reply_frame) 882 { 883 884 if (req != NULL) { 885 if (reply_frame != NULL) { 886 req->IOCStatus = le16toh(reply_frame->IOCStatus); 887 } 888 req->state &= ~REQ_STATE_QUEUED; 889 req->state |= REQ_STATE_DONE; 890 TAILQ_REMOVE(&mpt->request_pending_list, req, links); 891 if ((req->state & REQ_STATE_NEED_WAKEUP) != 0) { 892 wakeup(req); 893 } else if ((req->state & REQ_STATE_TIMEDOUT) != 0) { 894 /* 895 * Whew- we can free this request (late completion) 896 */ 897 mpt_free_request(mpt, req); 898 } 899 } 900 901 return (TRUE); 902 } 903 904 /* 905 * Read SCSI configuration information 906 */ 907 static int 908 mpt_read_config_info_spi(struct mpt_softc *mpt) 909 { 910 int rv, i; 911 912 rv = mpt_read_cfg_header(mpt, MPI_CONFIG_PAGETYPE_SCSI_PORT, 0, 0, 913 &mpt->mpt_port_page0.Header, FALSE, 5000); 914 if (rv) { 915 return (-1); 916 } 917 mpt_lprt(mpt, MPT_PRT_DEBUG, "SPI Port Page 0 Header: %x %x %x %x\n", 918 mpt->mpt_port_page0.Header.PageVersion, 919 mpt->mpt_port_page0.Header.PageLength, 920 mpt->mpt_port_page0.Header.PageNumber, 921 mpt->mpt_port_page0.Header.PageType); 922 923 rv = mpt_read_cfg_header(mpt, MPI_CONFIG_PAGETYPE_SCSI_PORT, 1, 0, 924 &mpt->mpt_port_page1.Header, FALSE, 5000); 925 if (rv) { 926 return (-1); 927 } 928 mpt_lprt(mpt, MPT_PRT_DEBUG, "SPI Port Page 1 Header: %x %x %x %x\n", 929 mpt->mpt_port_page1.Header.PageVersion, 930 mpt->mpt_port_page1.Header.PageLength, 931 mpt->mpt_port_page1.Header.PageNumber, 932 mpt->mpt_port_page1.Header.PageType); 933 934 rv = mpt_read_cfg_header(mpt, MPI_CONFIG_PAGETYPE_SCSI_PORT, 2, 0, 935 &mpt->mpt_port_page2.Header, FALSE, 5000); 936 if (rv) { 937 return (-1); 938 } 939 mpt_lprt(mpt, MPT_PRT_DEBUG, "SPI Port Page 2 Header: %x %x %x %x\n", 940 mpt->mpt_port_page2.Header.PageVersion, 941 mpt->mpt_port_page2.Header.PageLength, 942 mpt->mpt_port_page2.Header.PageNumber, 943 mpt->mpt_port_page2.Header.PageType); 944 945 for (i = 0; i < 16; i++) { 946 rv = mpt_read_cfg_header(mpt, MPI_CONFIG_PAGETYPE_SCSI_DEVICE, 947 0, i, &mpt->mpt_dev_page0[i].Header, FALSE, 5000); 948 if (rv) { 949 return (-1); 950 } 951 mpt_lprt(mpt, MPT_PRT_DEBUG, 952 "SPI Target %d Device Page 0 Header: %x %x %x %x\n", i, 953 mpt->mpt_dev_page0[i].Header.PageVersion, 954 mpt->mpt_dev_page0[i].Header.PageLength, 955 mpt->mpt_dev_page0[i].Header.PageNumber, 956 mpt->mpt_dev_page0[i].Header.PageType); 957 958 rv = mpt_read_cfg_header(mpt, MPI_CONFIG_PAGETYPE_SCSI_DEVICE, 959 1, i, &mpt->mpt_dev_page1[i].Header, FALSE, 5000); 960 if (rv) { 961 return (-1); 962 } 963 mpt_lprt(mpt, MPT_PRT_DEBUG, 964 "SPI Target %d Device Page 1 Header: %x %x %x %x\n", i, 965 mpt->mpt_dev_page1[i].Header.PageVersion, 966 mpt->mpt_dev_page1[i].Header.PageLength, 967 mpt->mpt_dev_page1[i].Header.PageNumber, 968 mpt->mpt_dev_page1[i].Header.PageType); 969 } 970 971 /* 972 * At this point, we don't *have* to fail. As long as we have 973 * valid config header information, we can (barely) lurch 974 * along. 975 */ 976 977 rv = mpt_read_cur_cfg_page(mpt, 0, &mpt->mpt_port_page0.Header, 978 sizeof(mpt->mpt_port_page0), FALSE, 5000); 979 if (rv) { 980 mpt_prt(mpt, "failed to read SPI Port Page 0\n"); 981 } else { 982 mpt2host_config_page_scsi_port_0(&mpt->mpt_port_page0); 983 mpt_lprt(mpt, MPT_PRT_NEGOTIATION, 984 "SPI Port Page 0: Capabilities %x PhysicalInterface %x\n", 985 mpt->mpt_port_page0.Capabilities, 986 mpt->mpt_port_page0.PhysicalInterface); 987 } 988 989 rv = mpt_read_cur_cfg_page(mpt, 0, &mpt->mpt_port_page1.Header, 990 sizeof(mpt->mpt_port_page1), FALSE, 5000); 991 if (rv) { 992 mpt_prt(mpt, "failed to read SPI Port Page 1\n"); 993 } else { 994 mpt2host_config_page_scsi_port_1(&mpt->mpt_port_page1); 995 mpt_lprt(mpt, MPT_PRT_DEBUG, 996 "SPI Port Page 1: Configuration %x OnBusTimerValue %x\n", 997 mpt->mpt_port_page1.Configuration, 998 mpt->mpt_port_page1.OnBusTimerValue); 999 } 1000 1001 rv = mpt_read_cur_cfg_page(mpt, 0, &mpt->mpt_port_page2.Header, 1002 sizeof(mpt->mpt_port_page2), FALSE, 5000); 1003 if (rv) { 1004 mpt_prt(mpt, "failed to read SPI Port Page 2\n"); 1005 } else { 1006 mpt_lprt(mpt, MPT_PRT_NEGOTIATION, 1007 "Port Page 2: Flags %x Settings %x\n", 1008 mpt->mpt_port_page2.PortFlags, 1009 mpt->mpt_port_page2.PortSettings); 1010 mpt2host_config_page_scsi_port_2(&mpt->mpt_port_page2); 1011 for (i = 0; i < 16; i++) { 1012 mpt_lprt(mpt, MPT_PRT_NEGOTIATION, 1013 " Port Page 2 Tgt %d: timo %x SF %x Flags %x\n", 1014 i, mpt->mpt_port_page2.DeviceSettings[i].Timeout, 1015 mpt->mpt_port_page2.DeviceSettings[i].SyncFactor, 1016 mpt->mpt_port_page2.DeviceSettings[i].DeviceFlags); 1017 } 1018 } 1019 1020 for (i = 0; i < 16; i++) { 1021 rv = mpt_read_cur_cfg_page(mpt, i, 1022 &mpt->mpt_dev_page0[i].Header, sizeof(*mpt->mpt_dev_page0), 1023 FALSE, 5000); 1024 if (rv) { 1025 mpt_prt(mpt, 1026 "cannot read SPI Target %d Device Page 0\n", i); 1027 continue; 1028 } 1029 mpt2host_config_page_scsi_device_0(&mpt->mpt_dev_page0[i]); 1030 mpt_lprt(mpt, MPT_PRT_NEGOTIATION, 1031 "target %d page 0: Negotiated Params %x Information %x\n", 1032 i, mpt->mpt_dev_page0[i].NegotiatedParameters, 1033 mpt->mpt_dev_page0[i].Information); 1034 1035 rv = mpt_read_cur_cfg_page(mpt, i, 1036 &mpt->mpt_dev_page1[i].Header, sizeof(*mpt->mpt_dev_page1), 1037 FALSE, 5000); 1038 if (rv) { 1039 mpt_prt(mpt, 1040 "cannot read SPI Target %d Device Page 1\n", i); 1041 continue; 1042 } 1043 mpt2host_config_page_scsi_device_1(&mpt->mpt_dev_page1[i]); 1044 mpt_lprt(mpt, MPT_PRT_NEGOTIATION, 1045 "target %d page 1: Requested Params %x Configuration %x\n", 1046 i, mpt->mpt_dev_page1[i].RequestedParameters, 1047 mpt->mpt_dev_page1[i].Configuration); 1048 } 1049 return (0); 1050 } 1051 1052 /* 1053 * Validate SPI configuration information. 1054 * 1055 * In particular, validate SPI Port Page 1. 1056 */ 1057 static int 1058 mpt_set_initial_config_spi(struct mpt_softc *mpt) 1059 { 1060 int error, i, pp1val; 1061 1062 mpt->mpt_disc_enable = 0xff; 1063 mpt->mpt_tag_enable = 0; 1064 1065 pp1val = ((1 << mpt->mpt_ini_id) << 1066 MPI_SCSIPORTPAGE1_CFG_SHIFT_PORT_RESPONSE_ID) | mpt->mpt_ini_id; 1067 if (mpt->mpt_port_page1.Configuration != pp1val) { 1068 CONFIG_PAGE_SCSI_PORT_1 tmp; 1069 1070 mpt_prt(mpt, "SPI Port Page 1 Config value bad (%x)- should " 1071 "be %x\n", mpt->mpt_port_page1.Configuration, pp1val); 1072 tmp = mpt->mpt_port_page1; 1073 tmp.Configuration = pp1val; 1074 host2mpt_config_page_scsi_port_1(&tmp); 1075 error = mpt_write_cur_cfg_page(mpt, 0, 1076 &tmp.Header, sizeof(tmp), FALSE, 5000); 1077 if (error) { 1078 return (-1); 1079 } 1080 error = mpt_read_cur_cfg_page(mpt, 0, 1081 &tmp.Header, sizeof(tmp), FALSE, 5000); 1082 if (error) { 1083 return (-1); 1084 } 1085 mpt2host_config_page_scsi_port_1(&tmp); 1086 if (tmp.Configuration != pp1val) { 1087 mpt_prt(mpt, 1088 "failed to reset SPI Port Page 1 Config value\n"); 1089 return (-1); 1090 } 1091 mpt->mpt_port_page1 = tmp; 1092 } 1093 1094 /* 1095 * The purpose of this exercise is to get 1096 * all targets back to async/narrow. 1097 * 1098 * We skip this step if the BIOS has already negotiated 1099 * speeds with the targets. 1100 */ 1101 i = mpt->mpt_port_page2.PortSettings & 1102 MPI_SCSIPORTPAGE2_PORT_MASK_NEGO_MASTER_SETTINGS; 1103 if (i == MPI_SCSIPORTPAGE2_PORT_ALL_MASTER_SETTINGS) { 1104 mpt_lprt(mpt, MPT_PRT_NEGOTIATION, 1105 "honoring BIOS transfer negotiations\n"); 1106 } else { 1107 for (i = 0; i < 16; i++) { 1108 mpt->mpt_dev_page1[i].RequestedParameters = 0; 1109 mpt->mpt_dev_page1[i].Configuration = 0; 1110 (void) mpt_update_spi_config(mpt, i); 1111 } 1112 } 1113 return (0); 1114 } 1115 1116 static int 1117 mpt_cam_enable(struct mpt_softc *mpt) 1118 { 1119 int error; 1120 1121 MPT_LOCK(mpt); 1122 1123 error = EIO; 1124 if (mpt->is_fc) { 1125 if (mpt_read_config_info_fc(mpt)) { 1126 goto out; 1127 } 1128 if (mpt_set_initial_config_fc(mpt)) { 1129 goto out; 1130 } 1131 } else if (mpt->is_sas) { 1132 if (mpt_read_config_info_sas(mpt)) { 1133 goto out; 1134 } 1135 if (mpt_set_initial_config_sas(mpt)) { 1136 goto out; 1137 } 1138 } else if (mpt->is_spi) { 1139 if (mpt_read_config_info_spi(mpt)) { 1140 goto out; 1141 } 1142 if (mpt_set_initial_config_spi(mpt)) { 1143 goto out; 1144 } 1145 } 1146 error = 0; 1147 1148 out: 1149 MPT_UNLOCK(mpt); 1150 return (error); 1151 } 1152 1153 static void 1154 mpt_cam_ready(struct mpt_softc *mpt) 1155 { 1156 1157 /* 1158 * If we're in target mode, hang out resources now 1159 * so we don't cause the world to hang talking to us. 1160 */ 1161 if (mpt->is_fc && (mpt->role & MPT_ROLE_TARGET)) { 1162 /* 1163 * Try to add some target command resources 1164 */ 1165 MPT_LOCK(mpt); 1166 if (mpt_add_target_commands(mpt) == FALSE) { 1167 mpt_prt(mpt, "failed to add target commands\n"); 1168 } 1169 MPT_UNLOCK(mpt); 1170 } 1171 mpt->ready = 1; 1172 } 1173 1174 static void 1175 mpt_cam_detach(struct mpt_softc *mpt) 1176 { 1177 mpt_handler_t handler; 1178 1179 MPT_LOCK(mpt); 1180 mpt->ready = 0; 1181 mpt_terminate_recovery_thread(mpt); 1182 1183 handler.reply_handler = mpt_scsi_reply_handler; 1184 mpt_deregister_handler(mpt, MPT_HANDLER_REPLY, handler, 1185 scsi_io_handler_id); 1186 handler.reply_handler = mpt_scsi_tmf_reply_handler; 1187 mpt_deregister_handler(mpt, MPT_HANDLER_REPLY, handler, 1188 scsi_tmf_handler_id); 1189 handler.reply_handler = mpt_fc_els_reply_handler; 1190 mpt_deregister_handler(mpt, MPT_HANDLER_REPLY, handler, 1191 fc_els_handler_id); 1192 handler.reply_handler = mpt_scsi_tgt_reply_handler; 1193 mpt_deregister_handler(mpt, MPT_HANDLER_REPLY, handler, 1194 mpt->scsi_tgt_handler_id); 1195 handler.reply_handler = mpt_sata_pass_reply_handler; 1196 mpt_deregister_handler(mpt, MPT_HANDLER_REPLY, handler, 1197 sata_pass_handler_id); 1198 1199 if (mpt->tmf_req != NULL) { 1200 mpt->tmf_req->state = REQ_STATE_ALLOCATED; 1201 mpt_free_request(mpt, mpt->tmf_req); 1202 mpt->tmf_req = NULL; 1203 } 1204 if (mpt->sas_portinfo != NULL) { 1205 free(mpt->sas_portinfo, M_DEVBUF); 1206 mpt->sas_portinfo = NULL; 1207 } 1208 1209 if (mpt->sim != NULL) { 1210 xpt_free_path(mpt->path); 1211 xpt_bus_deregister(cam_sim_path(mpt->sim)); 1212 cam_sim_free(mpt->sim, TRUE); 1213 mpt->sim = NULL; 1214 } 1215 1216 if (mpt->phydisk_sim != NULL) { 1217 xpt_free_path(mpt->phydisk_path); 1218 xpt_bus_deregister(cam_sim_path(mpt->phydisk_sim)); 1219 cam_sim_free(mpt->phydisk_sim, TRUE); 1220 mpt->phydisk_sim = NULL; 1221 } 1222 MPT_UNLOCK(mpt); 1223 } 1224 1225 /* This routine is used after a system crash to dump core onto the swap device. 1226 */ 1227 static void 1228 mpt_poll(struct cam_sim *sim) 1229 { 1230 struct mpt_softc *mpt; 1231 1232 mpt = (struct mpt_softc *)cam_sim_softc(sim); 1233 mpt_intr(mpt); 1234 } 1235 1236 /* 1237 * Watchdog timeout routine for SCSI requests. 1238 */ 1239 static void 1240 mpt_timeout(void *arg) 1241 { 1242 union ccb *ccb; 1243 struct mpt_softc *mpt; 1244 request_t *req; 1245 1246 ccb = (union ccb *)arg; 1247 mpt = ccb->ccb_h.ccb_mpt_ptr; 1248 1249 MPT_LOCK_ASSERT(mpt); 1250 req = ccb->ccb_h.ccb_req_ptr; 1251 mpt_prt(mpt, "request %p:%u timed out for ccb %p (req->ccb %p)\n", req, 1252 req->serno, ccb, req->ccb); 1253 /* XXX: WHAT ARE WE TRYING TO DO HERE? */ 1254 if ((req->state & REQ_STATE_QUEUED) == REQ_STATE_QUEUED) { 1255 TAILQ_REMOVE(&mpt->request_pending_list, req, links); 1256 TAILQ_INSERT_TAIL(&mpt->request_timeout_list, req, links); 1257 req->state |= REQ_STATE_TIMEDOUT; 1258 mpt_wakeup_recovery_thread(mpt); 1259 } 1260 } 1261 1262 /* 1263 * Callback routine from bus_dmamap_load_ccb(9) or, in simple cases, called 1264 * directly. 1265 * 1266 * Takes a list of physical segments and builds the SGL for SCSI IO command 1267 * and forwards the commard to the IOC after one last check that CAM has not 1268 * aborted the transaction. 1269 */ 1270 static void 1271 mpt_execute_req_a64(void *arg, bus_dma_segment_t *dm_segs, int nseg, int error) 1272 { 1273 request_t *req, *trq; 1274 char *mpt_off; 1275 union ccb *ccb; 1276 struct mpt_softc *mpt; 1277 bus_addr_t chain_list_addr; 1278 int first_lim, seg, this_seg_lim; 1279 uint32_t addr, cur_off, flags, nxt_off, tf; 1280 void *sglp = NULL; 1281 MSG_REQUEST_HEADER *hdrp; 1282 SGE_SIMPLE64 *se; 1283 SGE_CHAIN64 *ce; 1284 int istgt = 0; 1285 1286 req = (request_t *)arg; 1287 ccb = req->ccb; 1288 1289 mpt = ccb->ccb_h.ccb_mpt_ptr; 1290 req = ccb->ccb_h.ccb_req_ptr; 1291 1292 hdrp = req->req_vbuf; 1293 mpt_off = req->req_vbuf; 1294 1295 if (error == 0) { 1296 switch (hdrp->Function) { 1297 case MPI_FUNCTION_SCSI_IO_REQUEST: 1298 case MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH: 1299 istgt = 0; 1300 sglp = &((PTR_MSG_SCSI_IO_REQUEST)hdrp)->SGL; 1301 break; 1302 case MPI_FUNCTION_TARGET_ASSIST: 1303 istgt = 1; 1304 sglp = &((PTR_MSG_TARGET_ASSIST_REQUEST)hdrp)->SGL; 1305 break; 1306 default: 1307 mpt_prt(mpt, "bad fct 0x%x in mpt_execute_req_a64\n", 1308 hdrp->Function); 1309 error = EINVAL; 1310 break; 1311 } 1312 } 1313 1314 bad: 1315 if (error != 0) { 1316 if (error != EFBIG && error != ENOMEM) { 1317 mpt_prt(mpt, "mpt_execute_req_a64: err %d\n", error); 1318 } 1319 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INPROG) { 1320 cam_status status; 1321 mpt_freeze_ccb(ccb); 1322 if (error == EFBIG) { 1323 status = CAM_REQ_TOO_BIG; 1324 } else if (error == ENOMEM) { 1325 if (mpt->outofbeer == 0) { 1326 mpt->outofbeer = 1; 1327 xpt_freeze_simq(mpt->sim, 1); 1328 mpt_lprt(mpt, MPT_PRT_DEBUG, 1329 "FREEZEQ\n"); 1330 } 1331 status = CAM_REQUEUE_REQ; 1332 } else { 1333 status = CAM_REQ_CMP_ERR; 1334 } 1335 mpt_set_ccb_status(ccb, status); 1336 } 1337 if (hdrp->Function == MPI_FUNCTION_TARGET_ASSIST) { 1338 request_t *cmd_req = 1339 MPT_TAG_2_REQ(mpt, ccb->csio.tag_id); 1340 MPT_TGT_STATE(mpt, cmd_req)->state = TGT_STATE_IN_CAM; 1341 MPT_TGT_STATE(mpt, cmd_req)->ccb = NULL; 1342 MPT_TGT_STATE(mpt, cmd_req)->req = NULL; 1343 } 1344 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 1345 KASSERT(ccb->ccb_h.status, ("zero ccb sts at %d", __LINE__)); 1346 xpt_done(ccb); 1347 mpt_free_request(mpt, req); 1348 return; 1349 } 1350 1351 /* 1352 * No data to transfer? 1353 * Just make a single simple SGL with zero length. 1354 */ 1355 1356 if (mpt->verbose >= MPT_PRT_DEBUG) { 1357 int tidx = ((char *)sglp) - mpt_off; 1358 memset(&mpt_off[tidx], 0xff, MPT_REQUEST_AREA - tidx); 1359 } 1360 1361 if (nseg == 0) { 1362 SGE_SIMPLE32 *se1 = (SGE_SIMPLE32 *) sglp; 1363 MPI_pSGE_SET_FLAGS(se1, 1364 (MPI_SGE_FLAGS_LAST_ELEMENT | MPI_SGE_FLAGS_END_OF_BUFFER | 1365 MPI_SGE_FLAGS_SIMPLE_ELEMENT | MPI_SGE_FLAGS_END_OF_LIST)); 1366 se1->FlagsLength = htole32(se1->FlagsLength); 1367 goto out; 1368 } 1369 1370 flags = MPI_SGE_FLAGS_SIMPLE_ELEMENT | MPI_SGE_FLAGS_64_BIT_ADDRESSING; 1371 if (istgt == 0) { 1372 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_OUT) { 1373 flags |= MPI_SGE_FLAGS_HOST_TO_IOC; 1374 } 1375 } else { 1376 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 1377 flags |= MPI_SGE_FLAGS_HOST_TO_IOC; 1378 } 1379 } 1380 1381 if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) { 1382 bus_dmasync_op_t op; 1383 if (istgt == 0) { 1384 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 1385 op = BUS_DMASYNC_PREREAD; 1386 } else { 1387 op = BUS_DMASYNC_PREWRITE; 1388 } 1389 } else { 1390 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 1391 op = BUS_DMASYNC_PREWRITE; 1392 } else { 1393 op = BUS_DMASYNC_PREREAD; 1394 } 1395 } 1396 bus_dmamap_sync(mpt->buffer_dmat, req->dmap, op); 1397 } 1398 1399 /* 1400 * Okay, fill in what we can at the end of the command frame. 1401 * If we have up to MPT_NSGL_FIRST, we can fit them all into 1402 * the command frame. 1403 * 1404 * Otherwise, we fill up through MPT_NSGL_FIRST less one 1405 * SIMPLE64 pointers and start doing CHAIN64 entries after 1406 * that. 1407 */ 1408 1409 if (nseg < MPT_NSGL_FIRST(mpt)) { 1410 first_lim = nseg; 1411 } else { 1412 /* 1413 * Leave room for CHAIN element 1414 */ 1415 first_lim = MPT_NSGL_FIRST(mpt) - 1; 1416 } 1417 1418 se = (SGE_SIMPLE64 *) sglp; 1419 for (seg = 0; seg < first_lim; seg++, se++, dm_segs++) { 1420 tf = flags; 1421 memset(se, 0, sizeof (*se)); 1422 MPI_pSGE_SET_LENGTH(se, dm_segs->ds_len); 1423 se->Address.Low = htole32(dm_segs->ds_addr & 0xffffffff); 1424 if (sizeof(bus_addr_t) > 4) { 1425 addr = ((uint64_t)dm_segs->ds_addr) >> 32; 1426 /* SAS1078 36GB limitation WAR */ 1427 if (mpt->is_1078 && (((uint64_t)dm_segs->ds_addr + 1428 MPI_SGE_LENGTH(se->FlagsLength)) >> 32) == 9) { 1429 addr |= (1U << 31); 1430 tf |= MPI_SGE_FLAGS_LOCAL_ADDRESS; 1431 } 1432 se->Address.High = htole32(addr); 1433 } 1434 if (seg == first_lim - 1) { 1435 tf |= MPI_SGE_FLAGS_LAST_ELEMENT; 1436 } 1437 if (seg == nseg - 1) { 1438 tf |= MPI_SGE_FLAGS_END_OF_LIST | 1439 MPI_SGE_FLAGS_END_OF_BUFFER; 1440 } 1441 MPI_pSGE_SET_FLAGS(se, tf); 1442 se->FlagsLength = htole32(se->FlagsLength); 1443 } 1444 1445 if (seg == nseg) { 1446 goto out; 1447 } 1448 1449 /* 1450 * Tell the IOC where to find the first chain element. 1451 */ 1452 hdrp->ChainOffset = ((char *)se - (char *)hdrp) >> 2; 1453 nxt_off = MPT_RQSL(mpt); 1454 trq = req; 1455 1456 /* 1457 * Make up the rest of the data segments out of a chain element 1458 * (contained in the current request frame) which points to 1459 * SIMPLE64 elements in the next request frame, possibly ending 1460 * with *another* chain element (if there's more). 1461 */ 1462 while (seg < nseg) { 1463 /* 1464 * Point to the chain descriptor. Note that the chain 1465 * descriptor is at the end of the *previous* list (whether 1466 * chain or simple). 1467 */ 1468 ce = (SGE_CHAIN64 *) se; 1469 1470 /* 1471 * Before we change our current pointer, make sure we won't 1472 * overflow the request area with this frame. Note that we 1473 * test against 'greater than' here as it's okay in this case 1474 * to have next offset be just outside the request area. 1475 */ 1476 if ((nxt_off + MPT_RQSL(mpt)) > MPT_REQUEST_AREA) { 1477 nxt_off = MPT_REQUEST_AREA; 1478 goto next_chain; 1479 } 1480 1481 /* 1482 * Set our SGE element pointer to the beginning of the chain 1483 * list and update our next chain list offset. 1484 */ 1485 se = (SGE_SIMPLE64 *) &mpt_off[nxt_off]; 1486 cur_off = nxt_off; 1487 nxt_off += MPT_RQSL(mpt); 1488 1489 /* 1490 * Now initialize the chain descriptor. 1491 */ 1492 memset(ce, 0, sizeof (*ce)); 1493 1494 /* 1495 * Get the physical address of the chain list. 1496 */ 1497 chain_list_addr = trq->req_pbuf; 1498 chain_list_addr += cur_off; 1499 if (sizeof (bus_addr_t) > 4) { 1500 ce->Address.High = 1501 htole32(((uint64_t)chain_list_addr) >> 32); 1502 } 1503 ce->Address.Low = htole32(chain_list_addr & 0xffffffff); 1504 ce->Flags = MPI_SGE_FLAGS_CHAIN_ELEMENT | 1505 MPI_SGE_FLAGS_64_BIT_ADDRESSING; 1506 1507 /* 1508 * If we have more than a frame's worth of segments left, 1509 * set up the chain list to have the last element be another 1510 * chain descriptor. 1511 */ 1512 if ((nseg - seg) > MPT_NSGL(mpt)) { 1513 this_seg_lim = seg + MPT_NSGL(mpt) - 1; 1514 /* 1515 * The length of the chain is the length in bytes of the 1516 * number of segments plus the next chain element. 1517 * 1518 * The next chain descriptor offset is the length, 1519 * in words, of the number of segments. 1520 */ 1521 ce->Length = (this_seg_lim - seg) * 1522 sizeof (SGE_SIMPLE64); 1523 ce->NextChainOffset = ce->Length >> 2; 1524 ce->Length += sizeof (SGE_CHAIN64); 1525 } else { 1526 this_seg_lim = nseg; 1527 ce->Length = (this_seg_lim - seg) * 1528 sizeof (SGE_SIMPLE64); 1529 } 1530 ce->Length = htole16(ce->Length); 1531 1532 /* 1533 * Fill in the chain list SGE elements with our segment data. 1534 * 1535 * If we're the last element in this chain list, set the last 1536 * element flag. If we're the completely last element period, 1537 * set the end of list and end of buffer flags. 1538 */ 1539 while (seg < this_seg_lim) { 1540 tf = flags; 1541 memset(se, 0, sizeof (*se)); 1542 MPI_pSGE_SET_LENGTH(se, dm_segs->ds_len); 1543 se->Address.Low = htole32(dm_segs->ds_addr & 1544 0xffffffff); 1545 if (sizeof (bus_addr_t) > 4) { 1546 addr = ((uint64_t)dm_segs->ds_addr) >> 32; 1547 /* SAS1078 36GB limitation WAR */ 1548 if (mpt->is_1078 && 1549 (((uint64_t)dm_segs->ds_addr + 1550 MPI_SGE_LENGTH(se->FlagsLength)) >> 1551 32) == 9) { 1552 addr |= (1U << 31); 1553 tf |= MPI_SGE_FLAGS_LOCAL_ADDRESS; 1554 } 1555 se->Address.High = htole32(addr); 1556 } 1557 if (seg == this_seg_lim - 1) { 1558 tf |= MPI_SGE_FLAGS_LAST_ELEMENT; 1559 } 1560 if (seg == nseg - 1) { 1561 tf |= MPI_SGE_FLAGS_END_OF_LIST | 1562 MPI_SGE_FLAGS_END_OF_BUFFER; 1563 } 1564 MPI_pSGE_SET_FLAGS(se, tf); 1565 se->FlagsLength = htole32(se->FlagsLength); 1566 se++; 1567 seg++; 1568 dm_segs++; 1569 } 1570 1571 next_chain: 1572 /* 1573 * If we have more segments to do and we've used up all of 1574 * the space in a request area, go allocate another one 1575 * and chain to that. 1576 */ 1577 if (seg < nseg && nxt_off >= MPT_REQUEST_AREA) { 1578 request_t *nrq; 1579 1580 nrq = mpt_get_request(mpt, FALSE); 1581 1582 if (nrq == NULL) { 1583 error = ENOMEM; 1584 goto bad; 1585 } 1586 1587 /* 1588 * Append the new request area on the tail of our list. 1589 */ 1590 if ((trq = req->chain) == NULL) { 1591 req->chain = nrq; 1592 } else { 1593 while (trq->chain != NULL) { 1594 trq = trq->chain; 1595 } 1596 trq->chain = nrq; 1597 } 1598 trq = nrq; 1599 mpt_off = trq->req_vbuf; 1600 if (mpt->verbose >= MPT_PRT_DEBUG) { 1601 memset(mpt_off, 0xff, MPT_REQUEST_AREA); 1602 } 1603 nxt_off = 0; 1604 } 1605 } 1606 out: 1607 1608 /* 1609 * Last time we need to check if this CCB needs to be aborted. 1610 */ 1611 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_INPROG) { 1612 if (hdrp->Function == MPI_FUNCTION_TARGET_ASSIST) { 1613 request_t *cmd_req = 1614 MPT_TAG_2_REQ(mpt, ccb->csio.tag_id); 1615 MPT_TGT_STATE(mpt, cmd_req)->state = TGT_STATE_IN_CAM; 1616 MPT_TGT_STATE(mpt, cmd_req)->ccb = NULL; 1617 MPT_TGT_STATE(mpt, cmd_req)->req = NULL; 1618 } 1619 mpt_prt(mpt, 1620 "mpt_execute_req_a64: I/O cancelled (status 0x%x)\n", 1621 ccb->ccb_h.status & CAM_STATUS_MASK); 1622 if (nseg) { 1623 bus_dmamap_unload(mpt->buffer_dmat, req->dmap); 1624 } 1625 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 1626 KASSERT(ccb->ccb_h.status, ("zero ccb sts at %d", __LINE__)); 1627 xpt_done(ccb); 1628 mpt_free_request(mpt, req); 1629 return; 1630 } 1631 1632 ccb->ccb_h.status |= CAM_SIM_QUEUED; 1633 if (ccb->ccb_h.timeout != CAM_TIME_INFINITY) { 1634 mpt_req_timeout(req, SBT_1MS * ccb->ccb_h.timeout, 1635 mpt_timeout, ccb); 1636 } 1637 if (mpt->verbose > MPT_PRT_DEBUG) { 1638 int nc = 0; 1639 mpt_print_request(req->req_vbuf); 1640 for (trq = req->chain; trq; trq = trq->chain) { 1641 printf(" Additional Chain Area %d\n", nc++); 1642 mpt_dump_sgl(trq->req_vbuf, 0); 1643 } 1644 } 1645 1646 if (hdrp->Function == MPI_FUNCTION_TARGET_ASSIST) { 1647 request_t *cmd_req = MPT_TAG_2_REQ(mpt, ccb->csio.tag_id); 1648 mpt_tgt_state_t *tgt = MPT_TGT_STATE(mpt, cmd_req); 1649 #ifdef WE_TRUST_AUTO_GOOD_STATUS 1650 if ((ccb->ccb_h.flags & CAM_SEND_STATUS) && 1651 csio->scsi_status == SCSI_STATUS_OK && tgt->resid == 0) { 1652 tgt->state = TGT_STATE_MOVING_DATA_AND_STATUS; 1653 } else { 1654 tgt->state = TGT_STATE_MOVING_DATA; 1655 } 1656 #else 1657 tgt->state = TGT_STATE_MOVING_DATA; 1658 #endif 1659 } 1660 mpt_send_cmd(mpt, req); 1661 } 1662 1663 static void 1664 mpt_execute_req(void *arg, bus_dma_segment_t *dm_segs, int nseg, int error) 1665 { 1666 request_t *req, *trq; 1667 char *mpt_off; 1668 union ccb *ccb; 1669 struct mpt_softc *mpt; 1670 int seg, first_lim; 1671 uint32_t flags, nxt_off; 1672 void *sglp = NULL; 1673 MSG_REQUEST_HEADER *hdrp; 1674 SGE_SIMPLE32 *se; 1675 SGE_CHAIN32 *ce; 1676 int istgt = 0; 1677 1678 req = (request_t *)arg; 1679 ccb = req->ccb; 1680 1681 mpt = ccb->ccb_h.ccb_mpt_ptr; 1682 req = ccb->ccb_h.ccb_req_ptr; 1683 1684 hdrp = req->req_vbuf; 1685 mpt_off = req->req_vbuf; 1686 1687 if (error == 0) { 1688 switch (hdrp->Function) { 1689 case MPI_FUNCTION_SCSI_IO_REQUEST: 1690 case MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH: 1691 sglp = &((PTR_MSG_SCSI_IO_REQUEST)hdrp)->SGL; 1692 break; 1693 case MPI_FUNCTION_TARGET_ASSIST: 1694 istgt = 1; 1695 sglp = &((PTR_MSG_TARGET_ASSIST_REQUEST)hdrp)->SGL; 1696 break; 1697 default: 1698 mpt_prt(mpt, "bad fct 0x%x in mpt_execute_req\n", 1699 hdrp->Function); 1700 error = EINVAL; 1701 break; 1702 } 1703 } 1704 1705 bad: 1706 if (error != 0) { 1707 if (error != EFBIG && error != ENOMEM) { 1708 mpt_prt(mpt, "mpt_execute_req: err %d\n", error); 1709 } 1710 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INPROG) { 1711 cam_status status; 1712 mpt_freeze_ccb(ccb); 1713 if (error == EFBIG) { 1714 status = CAM_REQ_TOO_BIG; 1715 } else if (error == ENOMEM) { 1716 if (mpt->outofbeer == 0) { 1717 mpt->outofbeer = 1; 1718 xpt_freeze_simq(mpt->sim, 1); 1719 mpt_lprt(mpt, MPT_PRT_DEBUG, 1720 "FREEZEQ\n"); 1721 } 1722 status = CAM_REQUEUE_REQ; 1723 } else { 1724 status = CAM_REQ_CMP_ERR; 1725 } 1726 mpt_set_ccb_status(ccb, status); 1727 } 1728 if (hdrp->Function == MPI_FUNCTION_TARGET_ASSIST) { 1729 request_t *cmd_req = 1730 MPT_TAG_2_REQ(mpt, ccb->csio.tag_id); 1731 MPT_TGT_STATE(mpt, cmd_req)->state = TGT_STATE_IN_CAM; 1732 MPT_TGT_STATE(mpt, cmd_req)->ccb = NULL; 1733 MPT_TGT_STATE(mpt, cmd_req)->req = NULL; 1734 } 1735 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 1736 KASSERT(ccb->ccb_h.status, ("zero ccb sts at %d", __LINE__)); 1737 xpt_done(ccb); 1738 mpt_free_request(mpt, req); 1739 return; 1740 } 1741 1742 /* 1743 * No data to transfer? 1744 * Just make a single simple SGL with zero length. 1745 */ 1746 1747 if (mpt->verbose >= MPT_PRT_DEBUG) { 1748 int tidx = ((char *)sglp) - mpt_off; 1749 memset(&mpt_off[tidx], 0xff, MPT_REQUEST_AREA - tidx); 1750 } 1751 1752 if (nseg == 0) { 1753 SGE_SIMPLE32 *se1 = (SGE_SIMPLE32 *) sglp; 1754 MPI_pSGE_SET_FLAGS(se1, 1755 (MPI_SGE_FLAGS_LAST_ELEMENT | MPI_SGE_FLAGS_END_OF_BUFFER | 1756 MPI_SGE_FLAGS_SIMPLE_ELEMENT | MPI_SGE_FLAGS_END_OF_LIST)); 1757 se1->FlagsLength = htole32(se1->FlagsLength); 1758 goto out; 1759 } 1760 1761 flags = MPI_SGE_FLAGS_SIMPLE_ELEMENT; 1762 if (istgt == 0) { 1763 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_OUT) { 1764 flags |= MPI_SGE_FLAGS_HOST_TO_IOC; 1765 } 1766 } else { 1767 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 1768 flags |= MPI_SGE_FLAGS_HOST_TO_IOC; 1769 } 1770 } 1771 1772 if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) { 1773 bus_dmasync_op_t op; 1774 if (istgt) { 1775 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 1776 op = BUS_DMASYNC_PREREAD; 1777 } else { 1778 op = BUS_DMASYNC_PREWRITE; 1779 } 1780 } else { 1781 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 1782 op = BUS_DMASYNC_PREWRITE; 1783 } else { 1784 op = BUS_DMASYNC_PREREAD; 1785 } 1786 } 1787 bus_dmamap_sync(mpt->buffer_dmat, req->dmap, op); 1788 } 1789 1790 /* 1791 * Okay, fill in what we can at the end of the command frame. 1792 * If we have up to MPT_NSGL_FIRST, we can fit them all into 1793 * the command frame. 1794 * 1795 * Otherwise, we fill up through MPT_NSGL_FIRST less one 1796 * SIMPLE32 pointers and start doing CHAIN32 entries after 1797 * that. 1798 */ 1799 1800 if (nseg < MPT_NSGL_FIRST(mpt)) { 1801 first_lim = nseg; 1802 } else { 1803 /* 1804 * Leave room for CHAIN element 1805 */ 1806 first_lim = MPT_NSGL_FIRST(mpt) - 1; 1807 } 1808 1809 se = (SGE_SIMPLE32 *) sglp; 1810 for (seg = 0; seg < first_lim; seg++, se++, dm_segs++) { 1811 uint32_t tf; 1812 1813 memset(se, 0,sizeof (*se)); 1814 se->Address = htole32(dm_segs->ds_addr); 1815 1816 MPI_pSGE_SET_LENGTH(se, dm_segs->ds_len); 1817 tf = flags; 1818 if (seg == first_lim - 1) { 1819 tf |= MPI_SGE_FLAGS_LAST_ELEMENT; 1820 } 1821 if (seg == nseg - 1) { 1822 tf |= MPI_SGE_FLAGS_END_OF_LIST | 1823 MPI_SGE_FLAGS_END_OF_BUFFER; 1824 } 1825 MPI_pSGE_SET_FLAGS(se, tf); 1826 se->FlagsLength = htole32(se->FlagsLength); 1827 } 1828 1829 if (seg == nseg) { 1830 goto out; 1831 } 1832 1833 /* 1834 * Tell the IOC where to find the first chain element. 1835 */ 1836 hdrp->ChainOffset = ((char *)se - (char *)hdrp) >> 2; 1837 nxt_off = MPT_RQSL(mpt); 1838 trq = req; 1839 1840 /* 1841 * Make up the rest of the data segments out of a chain element 1842 * (contained in the current request frame) which points to 1843 * SIMPLE32 elements in the next request frame, possibly ending 1844 * with *another* chain element (if there's more). 1845 */ 1846 while (seg < nseg) { 1847 int this_seg_lim; 1848 uint32_t tf, cur_off; 1849 bus_addr_t chain_list_addr; 1850 1851 /* 1852 * Point to the chain descriptor. Note that the chain 1853 * descriptor is at the end of the *previous* list (whether 1854 * chain or simple). 1855 */ 1856 ce = (SGE_CHAIN32 *) se; 1857 1858 /* 1859 * Before we change our current pointer, make sure we won't 1860 * overflow the request area with this frame. Note that we 1861 * test against 'greater than' here as it's okay in this case 1862 * to have next offset be just outside the request area. 1863 */ 1864 if ((nxt_off + MPT_RQSL(mpt)) > MPT_REQUEST_AREA) { 1865 nxt_off = MPT_REQUEST_AREA; 1866 goto next_chain; 1867 } 1868 1869 /* 1870 * Set our SGE element pointer to the beginning of the chain 1871 * list and update our next chain list offset. 1872 */ 1873 se = (SGE_SIMPLE32 *) &mpt_off[nxt_off]; 1874 cur_off = nxt_off; 1875 nxt_off += MPT_RQSL(mpt); 1876 1877 /* 1878 * Now initialize the chain descriptor. 1879 */ 1880 memset(ce, 0, sizeof (*ce)); 1881 1882 /* 1883 * Get the physical address of the chain list. 1884 */ 1885 chain_list_addr = trq->req_pbuf; 1886 chain_list_addr += cur_off; 1887 1888 ce->Address = htole32(chain_list_addr); 1889 ce->Flags = MPI_SGE_FLAGS_CHAIN_ELEMENT; 1890 1891 /* 1892 * If we have more than a frame's worth of segments left, 1893 * set up the chain list to have the last element be another 1894 * chain descriptor. 1895 */ 1896 if ((nseg - seg) > MPT_NSGL(mpt)) { 1897 this_seg_lim = seg + MPT_NSGL(mpt) - 1; 1898 /* 1899 * The length of the chain is the length in bytes of the 1900 * number of segments plus the next chain element. 1901 * 1902 * The next chain descriptor offset is the length, 1903 * in words, of the number of segments. 1904 */ 1905 ce->Length = (this_seg_lim - seg) * 1906 sizeof (SGE_SIMPLE32); 1907 ce->NextChainOffset = ce->Length >> 2; 1908 ce->Length += sizeof (SGE_CHAIN32); 1909 } else { 1910 this_seg_lim = nseg; 1911 ce->Length = (this_seg_lim - seg) * 1912 sizeof (SGE_SIMPLE32); 1913 } 1914 ce->Length = htole16(ce->Length); 1915 1916 /* 1917 * Fill in the chain list SGE elements with our segment data. 1918 * 1919 * If we're the last element in this chain list, set the last 1920 * element flag. If we're the completely last element period, 1921 * set the end of list and end of buffer flags. 1922 */ 1923 while (seg < this_seg_lim) { 1924 memset(se, 0, sizeof (*se)); 1925 se->Address = htole32(dm_segs->ds_addr); 1926 1927 MPI_pSGE_SET_LENGTH(se, dm_segs->ds_len); 1928 tf = flags; 1929 if (seg == this_seg_lim - 1) { 1930 tf |= MPI_SGE_FLAGS_LAST_ELEMENT; 1931 } 1932 if (seg == nseg - 1) { 1933 tf |= MPI_SGE_FLAGS_END_OF_LIST | 1934 MPI_SGE_FLAGS_END_OF_BUFFER; 1935 } 1936 MPI_pSGE_SET_FLAGS(se, tf); 1937 se->FlagsLength = htole32(se->FlagsLength); 1938 se++; 1939 seg++; 1940 dm_segs++; 1941 } 1942 1943 next_chain: 1944 /* 1945 * If we have more segments to do and we've used up all of 1946 * the space in a request area, go allocate another one 1947 * and chain to that. 1948 */ 1949 if (seg < nseg && nxt_off >= MPT_REQUEST_AREA) { 1950 request_t *nrq; 1951 1952 nrq = mpt_get_request(mpt, FALSE); 1953 1954 if (nrq == NULL) { 1955 error = ENOMEM; 1956 goto bad; 1957 } 1958 1959 /* 1960 * Append the new request area on the tail of our list. 1961 */ 1962 if ((trq = req->chain) == NULL) { 1963 req->chain = nrq; 1964 } else { 1965 while (trq->chain != NULL) { 1966 trq = trq->chain; 1967 } 1968 trq->chain = nrq; 1969 } 1970 trq = nrq; 1971 mpt_off = trq->req_vbuf; 1972 if (mpt->verbose >= MPT_PRT_DEBUG) { 1973 memset(mpt_off, 0xff, MPT_REQUEST_AREA); 1974 } 1975 nxt_off = 0; 1976 } 1977 } 1978 out: 1979 1980 /* 1981 * Last time we need to check if this CCB needs to be aborted. 1982 */ 1983 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_INPROG) { 1984 if (hdrp->Function == MPI_FUNCTION_TARGET_ASSIST) { 1985 request_t *cmd_req = 1986 MPT_TAG_2_REQ(mpt, ccb->csio.tag_id); 1987 MPT_TGT_STATE(mpt, cmd_req)->state = TGT_STATE_IN_CAM; 1988 MPT_TGT_STATE(mpt, cmd_req)->ccb = NULL; 1989 MPT_TGT_STATE(mpt, cmd_req)->req = NULL; 1990 } 1991 mpt_prt(mpt, 1992 "mpt_execute_req: I/O cancelled (status 0x%x)\n", 1993 ccb->ccb_h.status & CAM_STATUS_MASK); 1994 if (nseg) { 1995 bus_dmamap_unload(mpt->buffer_dmat, req->dmap); 1996 } 1997 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 1998 KASSERT(ccb->ccb_h.status, ("zero ccb sts at %d", __LINE__)); 1999 xpt_done(ccb); 2000 mpt_free_request(mpt, req); 2001 return; 2002 } 2003 2004 ccb->ccb_h.status |= CAM_SIM_QUEUED; 2005 if (ccb->ccb_h.timeout != CAM_TIME_INFINITY) { 2006 mpt_req_timeout(req, SBT_1MS * ccb->ccb_h.timeout, 2007 mpt_timeout, ccb); 2008 } 2009 if (mpt->verbose > MPT_PRT_DEBUG) { 2010 int nc = 0; 2011 mpt_print_request(req->req_vbuf); 2012 for (trq = req->chain; trq; trq = trq->chain) { 2013 printf(" Additional Chain Area %d\n", nc++); 2014 mpt_dump_sgl(trq->req_vbuf, 0); 2015 } 2016 } 2017 2018 if (hdrp->Function == MPI_FUNCTION_TARGET_ASSIST) { 2019 request_t *cmd_req = MPT_TAG_2_REQ(mpt, ccb->csio.tag_id); 2020 mpt_tgt_state_t *tgt = MPT_TGT_STATE(mpt, cmd_req); 2021 #ifdef WE_TRUST_AUTO_GOOD_STATUS 2022 if ((ccb->ccb_h.flags & CAM_SEND_STATUS) && 2023 csio->scsi_status == SCSI_STATUS_OK && tgt->resid == 0) { 2024 tgt->state = TGT_STATE_MOVING_DATA_AND_STATUS; 2025 } else { 2026 tgt->state = TGT_STATE_MOVING_DATA; 2027 } 2028 #else 2029 tgt->state = TGT_STATE_MOVING_DATA; 2030 #endif 2031 } 2032 mpt_send_cmd(mpt, req); 2033 } 2034 2035 static void 2036 mpt_start(struct cam_sim *sim, union ccb *ccb) 2037 { 2038 request_t *req; 2039 struct mpt_softc *mpt; 2040 MSG_SCSI_IO_REQUEST *mpt_req; 2041 struct ccb_scsiio *csio = &ccb->csio; 2042 struct ccb_hdr *ccbh = &ccb->ccb_h; 2043 bus_dmamap_callback_t *cb; 2044 target_id_t tgt; 2045 int raid_passthru; 2046 int error; 2047 2048 /* Get the pointer for the physical addapter */ 2049 mpt = ccb->ccb_h.ccb_mpt_ptr; 2050 raid_passthru = (sim == mpt->phydisk_sim); 2051 2052 if ((req = mpt_get_request(mpt, FALSE)) == NULL) { 2053 if (mpt->outofbeer == 0) { 2054 mpt->outofbeer = 1; 2055 xpt_freeze_simq(mpt->sim, 1); 2056 mpt_lprt(mpt, MPT_PRT_DEBUG, "FREEZEQ\n"); 2057 } 2058 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 2059 mpt_set_ccb_status(ccb, CAM_REQUEUE_REQ); 2060 xpt_done(ccb); 2061 return; 2062 } 2063 #ifdef INVARIANTS 2064 mpt_req_not_spcl(mpt, req, "mpt_start", __LINE__); 2065 #endif 2066 2067 if (sizeof (bus_addr_t) > 4) { 2068 cb = mpt_execute_req_a64; 2069 } else { 2070 cb = mpt_execute_req; 2071 } 2072 2073 /* 2074 * Link the ccb and the request structure so we can find 2075 * the other knowing either the request or the ccb 2076 */ 2077 req->ccb = ccb; 2078 ccb->ccb_h.ccb_req_ptr = req; 2079 2080 /* Now we build the command for the IOC */ 2081 mpt_req = req->req_vbuf; 2082 memset(mpt_req, 0, sizeof (MSG_SCSI_IO_REQUEST)); 2083 2084 mpt_req->Function = MPI_FUNCTION_SCSI_IO_REQUEST; 2085 if (raid_passthru) { 2086 mpt_req->Function = MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH; 2087 if (mpt_map_physdisk(mpt, ccb, &tgt) != 0) { 2088 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 2089 mpt_set_ccb_status(ccb, CAM_DEV_NOT_THERE); 2090 xpt_done(ccb); 2091 return; 2092 } 2093 mpt_req->Bus = 0; /* we never set bus here */ 2094 } else { 2095 tgt = ccb->ccb_h.target_id; 2096 mpt_req->Bus = 0; /* XXX */ 2097 2098 } 2099 mpt_req->SenseBufferLength = 2100 (csio->sense_len < MPT_SENSE_SIZE) ? 2101 csio->sense_len : MPT_SENSE_SIZE; 2102 2103 /* 2104 * We use the message context to find the request structure when we 2105 * Get the command completion interrupt from the IOC. 2106 */ 2107 mpt_req->MsgContext = htole32(req->index | scsi_io_handler_id); 2108 2109 /* Which physical device to do the I/O on */ 2110 mpt_req->TargetID = tgt; 2111 2112 be64enc(mpt_req->LUN, CAM_EXTLUN_BYTE_SWIZZLE(ccb->ccb_h.target_lun)); 2113 2114 /* Set the direction of the transfer */ 2115 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 2116 mpt_req->Control = MPI_SCSIIO_CONTROL_READ; 2117 } else if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_OUT) { 2118 mpt_req->Control = MPI_SCSIIO_CONTROL_WRITE; 2119 } else { 2120 mpt_req->Control = MPI_SCSIIO_CONTROL_NODATATRANSFER; 2121 } 2122 2123 if ((ccb->ccb_h.flags & CAM_TAG_ACTION_VALID) != 0) { 2124 switch(ccb->csio.tag_action) { 2125 case MSG_HEAD_OF_Q_TAG: 2126 mpt_req->Control |= MPI_SCSIIO_CONTROL_HEADOFQ; 2127 break; 2128 case MSG_ACA_TASK: 2129 mpt_req->Control |= MPI_SCSIIO_CONTROL_ACAQ; 2130 break; 2131 case MSG_ORDERED_Q_TAG: 2132 mpt_req->Control |= MPI_SCSIIO_CONTROL_ORDEREDQ; 2133 break; 2134 case MSG_SIMPLE_Q_TAG: 2135 default: 2136 mpt_req->Control |= MPI_SCSIIO_CONTROL_SIMPLEQ; 2137 break; 2138 } 2139 } else { 2140 if (mpt->is_fc || mpt->is_sas) { 2141 mpt_req->Control |= MPI_SCSIIO_CONTROL_SIMPLEQ; 2142 } else { 2143 /* XXX No such thing for a target doing packetized. */ 2144 mpt_req->Control |= MPI_SCSIIO_CONTROL_UNTAGGED; 2145 } 2146 } 2147 2148 if (mpt->is_spi) { 2149 if (ccb->ccb_h.flags & CAM_DIS_DISCONNECT) { 2150 mpt_req->Control |= MPI_SCSIIO_CONTROL_NO_DISCONNECT; 2151 } 2152 } 2153 mpt_req->Control = htole32(mpt_req->Control); 2154 2155 /* Copy the scsi command block into place */ 2156 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0) { 2157 bcopy(csio->cdb_io.cdb_ptr, mpt_req->CDB, csio->cdb_len); 2158 } else { 2159 bcopy(csio->cdb_io.cdb_bytes, mpt_req->CDB, csio->cdb_len); 2160 } 2161 2162 mpt_req->CDBLength = csio->cdb_len; 2163 mpt_req->DataLength = htole32(csio->dxfer_len); 2164 mpt_req->SenseBufferLowAddr = htole32(req->sense_pbuf); 2165 2166 /* 2167 * Do a *short* print here if we're set to MPT_PRT_DEBUG 2168 */ 2169 if (mpt->verbose == MPT_PRT_DEBUG) { 2170 U32 df; 2171 mpt_prt(mpt, "mpt_start: %s op 0x%x ", 2172 (mpt_req->Function == MPI_FUNCTION_SCSI_IO_REQUEST)? 2173 "SCSI_IO_REQUEST" : "SCSI_IO_PASSTHRU", mpt_req->CDB[0]); 2174 df = mpt_req->Control & MPI_SCSIIO_CONTROL_DATADIRECTION_MASK; 2175 if (df != MPI_SCSIIO_CONTROL_NODATATRANSFER) { 2176 mpt_prtc(mpt, "(%s %u byte%s ", 2177 (df == MPI_SCSIIO_CONTROL_READ)? 2178 "read" : "write", csio->dxfer_len, 2179 (csio->dxfer_len == 1)? ")" : "s)"); 2180 } 2181 mpt_prtc(mpt, "tgt %u lun %jx req %p:%u\n", tgt, 2182 (uintmax_t)ccb->ccb_h.target_lun, req, req->serno); 2183 } 2184 2185 error = bus_dmamap_load_ccb(mpt->buffer_dmat, req->dmap, ccb, cb, 2186 req, 0); 2187 if (error == EINPROGRESS) { 2188 /* 2189 * So as to maintain ordering, freeze the controller queue 2190 * until our mapping is returned. 2191 */ 2192 xpt_freeze_simq(mpt->sim, 1); 2193 ccbh->status |= CAM_RELEASE_SIMQ; 2194 } 2195 } 2196 2197 static int 2198 mpt_bus_reset(struct mpt_softc *mpt, target_id_t tgt, lun_id_t lun, 2199 int sleep_ok) 2200 { 2201 int error; 2202 uint16_t status; 2203 uint8_t response; 2204 2205 error = mpt_scsi_send_tmf(mpt, 2206 (tgt != CAM_TARGET_WILDCARD || lun != CAM_LUN_WILDCARD) ? 2207 MPI_SCSITASKMGMT_TASKTYPE_TARGET_RESET : 2208 MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS, 2209 mpt->is_fc ? MPI_SCSITASKMGMT_MSGFLAGS_LIP_RESET_OPTION : 0, 2210 0, /* XXX How do I get the channel ID? */ 2211 tgt != CAM_TARGET_WILDCARD ? tgt : 0, 2212 lun != CAM_LUN_WILDCARD ? lun : 0, 2213 0, sleep_ok); 2214 2215 if (error != 0) { 2216 /* 2217 * mpt_scsi_send_tmf hard resets on failure, so no 2218 * need to do so here. 2219 */ 2220 mpt_prt(mpt, 2221 "mpt_bus_reset: mpt_scsi_send_tmf returned %d\n", error); 2222 return (EIO); 2223 } 2224 2225 /* Wait for bus reset to be processed by the IOC. */ 2226 error = mpt_wait_req(mpt, mpt->tmf_req, REQ_STATE_DONE, 2227 REQ_STATE_DONE, sleep_ok, 5000); 2228 2229 status = le16toh(mpt->tmf_req->IOCStatus); 2230 response = mpt->tmf_req->ResponseCode; 2231 mpt->tmf_req->state = REQ_STATE_FREE; 2232 2233 if (error) { 2234 mpt_prt(mpt, "mpt_bus_reset: Reset timed-out. " 2235 "Resetting controller.\n"); 2236 mpt_reset(mpt, TRUE); 2237 return (ETIMEDOUT); 2238 } 2239 2240 if ((status & MPI_IOCSTATUS_MASK) != MPI_IOCSTATUS_SUCCESS) { 2241 mpt_prt(mpt, "mpt_bus_reset: TMF IOC Status 0x%x. " 2242 "Resetting controller.\n", status); 2243 mpt_reset(mpt, TRUE); 2244 return (EIO); 2245 } 2246 2247 if (response != MPI_SCSITASKMGMT_RSP_TM_SUCCEEDED && 2248 response != MPI_SCSITASKMGMT_RSP_TM_COMPLETE) { 2249 mpt_prt(mpt, "mpt_bus_reset: TMF Response 0x%x. " 2250 "Resetting controller.\n", response); 2251 mpt_reset(mpt, TRUE); 2252 return (EIO); 2253 } 2254 return (0); 2255 } 2256 2257 static int 2258 mpt_fc_reset_link(struct mpt_softc *mpt, int dowait) 2259 { 2260 int r = 0; 2261 request_t *req; 2262 PTR_MSG_FC_PRIMITIVE_SEND_REQUEST fc; 2263 2264 req = mpt_get_request(mpt, FALSE); 2265 if (req == NULL) { 2266 return (ENOMEM); 2267 } 2268 fc = req->req_vbuf; 2269 memset(fc, 0, sizeof(*fc)); 2270 fc->SendFlags = MPI_FC_PRIM_SEND_FLAGS_RESET_LINK; 2271 fc->Function = MPI_FUNCTION_FC_PRIMITIVE_SEND; 2272 fc->MsgContext = htole32(req->index | fc_els_handler_id); 2273 mpt_send_cmd(mpt, req); 2274 if (dowait) { 2275 r = mpt_wait_req(mpt, req, REQ_STATE_DONE, 2276 REQ_STATE_DONE, FALSE, 60 * 1000); 2277 if (r == 0) { 2278 mpt_free_request(mpt, req); 2279 } 2280 } 2281 return (r); 2282 } 2283 2284 static int 2285 mpt_cam_event(struct mpt_softc *mpt, request_t *req, 2286 MSG_EVENT_NOTIFY_REPLY *msg) 2287 { 2288 uint32_t data0, data1; 2289 2290 data0 = le32toh(msg->Data[0]); 2291 data1 = le32toh(msg->Data[1]); 2292 switch(msg->Event & 0xFF) { 2293 case MPI_EVENT_UNIT_ATTENTION: 2294 mpt_prt(mpt, "UNIT ATTENTION: Bus: 0x%02x TargetID: 0x%02x\n", 2295 (data0 >> 8) & 0xff, data0 & 0xff); 2296 break; 2297 2298 case MPI_EVENT_IOC_BUS_RESET: 2299 /* We generated a bus reset */ 2300 mpt_prt(mpt, "IOC Generated Bus Reset Port: %d\n", 2301 (data0 >> 8) & 0xff); 2302 xpt_async(AC_BUS_RESET, mpt->path, NULL); 2303 break; 2304 2305 case MPI_EVENT_EXT_BUS_RESET: 2306 /* Someone else generated a bus reset */ 2307 mpt_prt(mpt, "External Bus Reset Detected\n"); 2308 /* 2309 * These replies don't return EventData like the MPI 2310 * spec says they do 2311 */ 2312 xpt_async(AC_BUS_RESET, mpt->path, NULL); 2313 break; 2314 2315 case MPI_EVENT_RESCAN: 2316 { 2317 union ccb *ccb; 2318 uint32_t pathid; 2319 /* 2320 * In general this means a device has been added to the loop. 2321 */ 2322 mpt_prt(mpt, "Rescan Port: %d\n", (data0 >> 8) & 0xff); 2323 if (mpt->ready == 0) { 2324 break; 2325 } 2326 if (mpt->phydisk_sim) { 2327 pathid = cam_sim_path(mpt->phydisk_sim); 2328 } else { 2329 pathid = cam_sim_path(mpt->sim); 2330 } 2331 /* 2332 * Allocate a CCB, create a wildcard path for this bus, 2333 * and schedule a rescan. 2334 */ 2335 ccb = xpt_alloc_ccb_nowait(); 2336 if (ccb == NULL) { 2337 mpt_prt(mpt, "unable to alloc CCB for rescan\n"); 2338 break; 2339 } 2340 2341 if (xpt_create_path(&ccb->ccb_h.path, NULL, pathid, 2342 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 2343 mpt_prt(mpt, "unable to create path for rescan\n"); 2344 xpt_free_ccb(ccb); 2345 break; 2346 } 2347 xpt_rescan(ccb); 2348 break; 2349 } 2350 2351 case MPI_EVENT_LINK_STATUS_CHANGE: 2352 mpt_prt(mpt, "Port %d: LinkState: %s\n", 2353 (data1 >> 8) & 0xff, 2354 ((data0 & 0xff) == 0)? "Failed" : "Active"); 2355 break; 2356 2357 case MPI_EVENT_LOOP_STATE_CHANGE: 2358 switch ((data0 >> 16) & 0xff) { 2359 case 0x01: 2360 mpt_prt(mpt, 2361 "Port 0x%x: FC LinkEvent: LIP(%02x,%02x) " 2362 "(Loop Initialization)\n", 2363 (data1 >> 8) & 0xff, 2364 (data0 >> 8) & 0xff, 2365 (data0 ) & 0xff); 2366 switch ((data0 >> 8) & 0xff) { 2367 case 0xF7: 2368 if ((data0 & 0xff) == 0xF7) { 2369 mpt_prt(mpt, "Device needs AL_PA\n"); 2370 } else { 2371 mpt_prt(mpt, "Device %02x doesn't like " 2372 "FC performance\n", 2373 data0 & 0xFF); 2374 } 2375 break; 2376 case 0xF8: 2377 if ((data0 & 0xff) == 0xF7) { 2378 mpt_prt(mpt, "Device had loop failure " 2379 "at its receiver prior to acquiring" 2380 " AL_PA\n"); 2381 } else { 2382 mpt_prt(mpt, "Device %02x detected loop" 2383 " failure at its receiver\n", 2384 data0 & 0xFF); 2385 } 2386 break; 2387 default: 2388 mpt_prt(mpt, "Device %02x requests that device " 2389 "%02x reset itself\n", 2390 data0 & 0xFF, 2391 (data0 >> 8) & 0xFF); 2392 break; 2393 } 2394 break; 2395 case 0x02: 2396 mpt_prt(mpt, "Port 0x%x: FC LinkEvent: " 2397 "LPE(%02x,%02x) (Loop Port Enable)\n", 2398 (data1 >> 8) & 0xff, /* Port */ 2399 (data0 >> 8) & 0xff, /* Character 3 */ 2400 (data0 ) & 0xff /* Character 4 */); 2401 break; 2402 case 0x03: 2403 mpt_prt(mpt, "Port 0x%x: FC LinkEvent: " 2404 "LPB(%02x,%02x) (Loop Port Bypass)\n", 2405 (data1 >> 8) & 0xff, /* Port */ 2406 (data0 >> 8) & 0xff, /* Character 3 */ 2407 (data0 ) & 0xff /* Character 4 */); 2408 break; 2409 default: 2410 mpt_prt(mpt, "Port 0x%x: FC LinkEvent: Unknown " 2411 "FC event (%02x %02x %02x)\n", 2412 (data1 >> 8) & 0xff, /* Port */ 2413 (data0 >> 16) & 0xff, /* Event */ 2414 (data0 >> 8) & 0xff, /* Character 3 */ 2415 (data0 ) & 0xff /* Character 4 */); 2416 } 2417 break; 2418 2419 case MPI_EVENT_LOGOUT: 2420 mpt_prt(mpt, "FC Logout Port: %d N_PortID: %02x\n", 2421 (data1 >> 8) & 0xff, data0); 2422 break; 2423 case MPI_EVENT_QUEUE_FULL: 2424 { 2425 struct cam_sim *sim; 2426 struct cam_path *tmppath; 2427 struct ccb_relsim crs; 2428 PTR_EVENT_DATA_QUEUE_FULL pqf; 2429 lun_id_t lun_id; 2430 2431 pqf = (PTR_EVENT_DATA_QUEUE_FULL)msg->Data; 2432 pqf->CurrentDepth = le16toh(pqf->CurrentDepth); 2433 if (bootverbose) { 2434 mpt_prt(mpt, "QUEUE FULL EVENT: Bus 0x%02x Target 0x%02x " 2435 "Depth %d\n", 2436 pqf->Bus, pqf->TargetID, pqf->CurrentDepth); 2437 } 2438 if (mpt->phydisk_sim && mpt_is_raid_member(mpt, 2439 pqf->TargetID) != 0) { 2440 sim = mpt->phydisk_sim; 2441 } else { 2442 sim = mpt->sim; 2443 } 2444 for (lun_id = 0; lun_id < MPT_MAX_LUNS; lun_id++) { 2445 if (xpt_create_path(&tmppath, NULL, cam_sim_path(sim), 2446 pqf->TargetID, lun_id) != CAM_REQ_CMP) { 2447 mpt_prt(mpt, "unable to create a path to send " 2448 "XPT_REL_SIMQ"); 2449 break; 2450 } 2451 memset(&crs, 0, sizeof(crs)); 2452 xpt_setup_ccb(&crs.ccb_h, tmppath, 5); 2453 crs.ccb_h.func_code = XPT_REL_SIMQ; 2454 crs.ccb_h.flags = CAM_DEV_QFREEZE; 2455 crs.release_flags = RELSIM_ADJUST_OPENINGS; 2456 crs.openings = pqf->CurrentDepth - 1; 2457 xpt_action((union ccb *)&crs); 2458 if (crs.ccb_h.status != CAM_REQ_CMP) { 2459 mpt_prt(mpt, "XPT_REL_SIMQ failed\n"); 2460 } 2461 xpt_free_path(tmppath); 2462 } 2463 break; 2464 } 2465 case MPI_EVENT_IR_RESYNC_UPDATE: 2466 mpt_prt(mpt, "IR resync update %d completed\n", 2467 (data0 >> 16) & 0xff); 2468 break; 2469 case MPI_EVENT_SAS_DEVICE_STATUS_CHANGE: 2470 { 2471 union ccb *ccb; 2472 struct cam_sim *sim; 2473 struct cam_path *tmppath; 2474 PTR_EVENT_DATA_SAS_DEVICE_STATUS_CHANGE psdsc; 2475 2476 psdsc = (PTR_EVENT_DATA_SAS_DEVICE_STATUS_CHANGE)msg->Data; 2477 if (mpt->phydisk_sim && mpt_is_raid_member(mpt, 2478 psdsc->TargetID) != 0) 2479 sim = mpt->phydisk_sim; 2480 else 2481 sim = mpt->sim; 2482 switch(psdsc->ReasonCode) { 2483 case MPI_EVENT_SAS_DEV_STAT_RC_ADDED: 2484 ccb = xpt_alloc_ccb_nowait(); 2485 if (ccb == NULL) { 2486 mpt_prt(mpt, 2487 "unable to alloc CCB for rescan\n"); 2488 break; 2489 } 2490 if (xpt_create_path(&ccb->ccb_h.path, NULL, 2491 cam_sim_path(sim), psdsc->TargetID, 2492 CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 2493 mpt_prt(mpt, 2494 "unable to create path for rescan\n"); 2495 xpt_free_ccb(ccb); 2496 break; 2497 } 2498 xpt_rescan(ccb); 2499 break; 2500 case MPI_EVENT_SAS_DEV_STAT_RC_NOT_RESPONDING: 2501 if (xpt_create_path(&tmppath, NULL, cam_sim_path(sim), 2502 psdsc->TargetID, CAM_LUN_WILDCARD) != 2503 CAM_REQ_CMP) { 2504 mpt_prt(mpt, 2505 "unable to create path for async event"); 2506 break; 2507 } 2508 xpt_async(AC_LOST_DEVICE, tmppath, NULL); 2509 xpt_free_path(tmppath); 2510 break; 2511 case MPI_EVENT_SAS_DEV_STAT_RC_CMPL_INTERNAL_DEV_RESET: 2512 case MPI_EVENT_SAS_DEV_STAT_RC_CMPL_TASK_ABORT_INTERNAL: 2513 case MPI_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET: 2514 break; 2515 default: 2516 mpt_lprt(mpt, MPT_PRT_WARN, 2517 "SAS device status change: Bus: 0x%02x TargetID: " 2518 "0x%02x ReasonCode: 0x%02x\n", psdsc->Bus, 2519 psdsc->TargetID, psdsc->ReasonCode); 2520 break; 2521 } 2522 break; 2523 } 2524 case MPI_EVENT_SAS_DISCOVERY_ERROR: 2525 { 2526 PTR_EVENT_DATA_DISCOVERY_ERROR pde; 2527 2528 pde = (PTR_EVENT_DATA_DISCOVERY_ERROR)msg->Data; 2529 pde->DiscoveryStatus = le32toh(pde->DiscoveryStatus); 2530 mpt_lprt(mpt, MPT_PRT_WARN, 2531 "SAS discovery error: Port: 0x%02x Status: 0x%08x\n", 2532 pde->Port, pde->DiscoveryStatus); 2533 break; 2534 } 2535 case MPI_EVENT_EVENT_CHANGE: 2536 case MPI_EVENT_INTEGRATED_RAID: 2537 case MPI_EVENT_IR2: 2538 case MPI_EVENT_LOG_ENTRY_ADDED: 2539 case MPI_EVENT_SAS_DISCOVERY: 2540 case MPI_EVENT_SAS_PHY_LINK_STATUS: 2541 case MPI_EVENT_SAS_SES: 2542 break; 2543 default: 2544 mpt_lprt(mpt, MPT_PRT_WARN, "mpt_cam_event: 0x%x\n", 2545 msg->Event & 0xFF); 2546 return (0); 2547 } 2548 return (1); 2549 } 2550 2551 /* 2552 * Reply path for all SCSI I/O requests, called from our 2553 * interrupt handler by extracting our handler index from 2554 * the MsgContext field of the reply from the IOC. 2555 * 2556 * This routine is optimized for the common case of a 2557 * completion without error. All exception handling is 2558 * offloaded to non-inlined helper routines to minimize 2559 * cache footprint. 2560 */ 2561 static int 2562 mpt_scsi_reply_handler(struct mpt_softc *mpt, request_t *req, 2563 uint32_t reply_desc, MSG_DEFAULT_REPLY *reply_frame) 2564 { 2565 MSG_SCSI_IO_REQUEST *scsi_req; 2566 union ccb *ccb; 2567 2568 if (req->state == REQ_STATE_FREE) { 2569 mpt_prt(mpt, "mpt_scsi_reply_handler: req already free\n"); 2570 return (TRUE); 2571 } 2572 2573 scsi_req = (MSG_SCSI_IO_REQUEST *)req->req_vbuf; 2574 ccb = req->ccb; 2575 if (ccb == NULL) { 2576 mpt_prt(mpt, "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_prt(mpt, "completing timedout/aborted req %p:%u\n", 2634 req, req->serno); 2635 TAILQ_REMOVE(&mpt->request_timeout_list, req, links); 2636 } 2637 KASSERT((req->state & REQ_STATE_NEED_WAKEUP) == 0, 2638 ("CCB req needed wakeup")); 2639 #ifdef INVARIANTS 2640 mpt_req_not_spcl(mpt, req, "mpt_scsi_reply_handler", __LINE__); 2641 #endif 2642 mpt_free_request(mpt, req); 2643 return (TRUE); 2644 } 2645 2646 static int 2647 mpt_scsi_tmf_reply_handler(struct mpt_softc *mpt, request_t *req, 2648 uint32_t reply_desc, MSG_DEFAULT_REPLY *reply_frame) 2649 { 2650 MSG_SCSI_TASK_MGMT_REPLY *tmf_reply; 2651 2652 KASSERT(req == mpt->tmf_req, ("TMF Reply not using mpt->tmf_req")); 2653 #ifdef INVARIANTS 2654 mpt_req_not_spcl(mpt, req, "mpt_scsi_tmf_reply_handler", __LINE__); 2655 #endif 2656 tmf_reply = (MSG_SCSI_TASK_MGMT_REPLY *)reply_frame; 2657 /* Record IOC Status and Response Code of TMF for any waiters. */ 2658 req->IOCStatus = le16toh(tmf_reply->IOCStatus); 2659 req->ResponseCode = tmf_reply->ResponseCode; 2660 2661 mpt_lprt(mpt, MPT_PRT_DEBUG, "TMF complete: req %p:%u status 0x%x\n", 2662 req, req->serno, le16toh(tmf_reply->IOCStatus)); 2663 TAILQ_REMOVE(&mpt->request_pending_list, req, links); 2664 if ((req->state & REQ_STATE_NEED_WAKEUP) != 0) { 2665 req->state |= REQ_STATE_DONE; 2666 wakeup(req); 2667 } else { 2668 mpt->tmf_req->state = REQ_STATE_FREE; 2669 } 2670 return (TRUE); 2671 } 2672 2673 /* 2674 * XXX: Move to definitions file 2675 */ 2676 #define ELS 0x22 2677 #define FC4LS 0x32 2678 #define ABTS 0x81 2679 #define BA_ACC 0x84 2680 2681 #define LS_RJT 0x01 2682 #define LS_ACC 0x02 2683 #define PLOGI 0x03 2684 #define LOGO 0x05 2685 #define SRR 0x14 2686 #define PRLI 0x20 2687 #define PRLO 0x21 2688 #define ADISC 0x52 2689 #define RSCN 0x61 2690 2691 static void 2692 mpt_fc_els_send_response(struct mpt_softc *mpt, request_t *req, 2693 PTR_MSG_LINK_SERVICE_BUFFER_POST_REPLY rp, U8 length) 2694 { 2695 uint32_t fl; 2696 MSG_LINK_SERVICE_RSP_REQUEST tmp; 2697 PTR_MSG_LINK_SERVICE_RSP_REQUEST rsp; 2698 2699 /* 2700 * We are going to reuse the ELS request to send this response back. 2701 */ 2702 rsp = &tmp; 2703 memset(rsp, 0, sizeof(*rsp)); 2704 2705 #ifdef USE_IMMEDIATE_LINK_DATA 2706 /* 2707 * Apparently the IMMEDIATE stuff doesn't seem to work. 2708 */ 2709 rsp->RspFlags = LINK_SERVICE_RSP_FLAGS_IMMEDIATE; 2710 #endif 2711 rsp->RspLength = length; 2712 rsp->Function = MPI_FUNCTION_FC_LINK_SRVC_RSP; 2713 rsp->MsgContext = htole32(req->index | fc_els_handler_id); 2714 2715 /* 2716 * Copy over information from the original reply frame to 2717 * it's correct place in the response. 2718 */ 2719 memcpy((U8 *)rsp + 0x0c, (U8 *)rp + 0x1c, 24); 2720 2721 /* 2722 * And now copy back the temporary area to the original frame. 2723 */ 2724 memcpy(req->req_vbuf, rsp, sizeof (MSG_LINK_SERVICE_RSP_REQUEST)); 2725 rsp = req->req_vbuf; 2726 2727 #ifdef USE_IMMEDIATE_LINK_DATA 2728 memcpy((U8 *)&rsp->SGL, &((U8 *)req->req_vbuf)[MPT_RQSL(mpt)], length); 2729 #else 2730 { 2731 PTR_SGE_SIMPLE32 se = (PTR_SGE_SIMPLE32) &rsp->SGL; 2732 bus_addr_t paddr = req->req_pbuf; 2733 paddr += MPT_RQSL(mpt); 2734 2735 fl = 2736 MPI_SGE_FLAGS_HOST_TO_IOC | 2737 MPI_SGE_FLAGS_SIMPLE_ELEMENT | 2738 MPI_SGE_FLAGS_LAST_ELEMENT | 2739 MPI_SGE_FLAGS_END_OF_LIST | 2740 MPI_SGE_FLAGS_END_OF_BUFFER; 2741 fl <<= MPI_SGE_FLAGS_SHIFT; 2742 fl |= (length); 2743 se->FlagsLength = htole32(fl); 2744 se->Address = htole32((uint32_t) paddr); 2745 } 2746 #endif 2747 2748 /* 2749 * Send it on... 2750 */ 2751 mpt_send_cmd(mpt, req); 2752 } 2753 2754 static int 2755 mpt_fc_els_reply_handler(struct mpt_softc *mpt, request_t *req, 2756 uint32_t reply_desc, MSG_DEFAULT_REPLY *reply_frame) 2757 { 2758 PTR_MSG_LINK_SERVICE_BUFFER_POST_REPLY rp = 2759 (PTR_MSG_LINK_SERVICE_BUFFER_POST_REPLY) reply_frame; 2760 U8 rctl; 2761 U8 type; 2762 U8 cmd; 2763 U16 status = le16toh(reply_frame->IOCStatus); 2764 U32 *elsbuf; 2765 int ioindex; 2766 int do_refresh = TRUE; 2767 2768 #ifdef INVARIANTS 2769 KASSERT(mpt_req_on_free_list(mpt, req) == 0, 2770 ("fc_els_reply_handler: req %p:%u for function %x on freelist!", 2771 req, req->serno, rp->Function)); 2772 if (rp->Function != MPI_FUNCTION_FC_PRIMITIVE_SEND) { 2773 mpt_req_spcl(mpt, req, "fc_els_reply_handler", __LINE__); 2774 } else { 2775 mpt_req_not_spcl(mpt, req, "fc_els_reply_handler", __LINE__); 2776 } 2777 #endif 2778 mpt_lprt(mpt, MPT_PRT_DEBUG, 2779 "FC_ELS Complete: req %p:%u, reply %p function %x\n", 2780 req, req->serno, reply_frame, reply_frame->Function); 2781 2782 if (status != MPI_IOCSTATUS_SUCCESS) { 2783 mpt_prt(mpt, "ELS REPLY STATUS 0x%x for Function %x\n", 2784 status, reply_frame->Function); 2785 if (status == MPI_IOCSTATUS_INVALID_STATE) { 2786 /* 2787 * XXX: to get around shutdown issue 2788 */ 2789 mpt->disabled = 1; 2790 return (TRUE); 2791 } 2792 return (TRUE); 2793 } 2794 2795 /* 2796 * If the function of a link service response, we recycle the 2797 * response to be a refresh for a new link service request. 2798 * 2799 * The request pointer is bogus in this case and we have to fetch 2800 * it based upon the TransactionContext. 2801 */ 2802 if (rp->Function == MPI_FUNCTION_FC_LINK_SRVC_RSP) { 2803 /* Freddie Uncle Charlie Katie */ 2804 /* We don't get the IOINDEX as part of the Link Svc Rsp */ 2805 for (ioindex = 0; ioindex < mpt->els_cmds_allocated; ioindex++) 2806 if (mpt->els_cmd_ptrs[ioindex] == req) { 2807 break; 2808 } 2809 2810 KASSERT(ioindex < mpt->els_cmds_allocated, 2811 ("can't find my mommie!")); 2812 2813 /* remove from active list as we're going to re-post it */ 2814 TAILQ_REMOVE(&mpt->request_pending_list, req, links); 2815 req->state &= ~REQ_STATE_QUEUED; 2816 req->state |= REQ_STATE_DONE; 2817 mpt_fc_post_els(mpt, req, ioindex); 2818 return (TRUE); 2819 } 2820 2821 if (rp->Function == MPI_FUNCTION_FC_PRIMITIVE_SEND) { 2822 /* remove from active list as we're done */ 2823 TAILQ_REMOVE(&mpt->request_pending_list, req, links); 2824 req->state &= ~REQ_STATE_QUEUED; 2825 req->state |= REQ_STATE_DONE; 2826 if (req->state & REQ_STATE_TIMEDOUT) { 2827 mpt_lprt(mpt, MPT_PRT_DEBUG, 2828 "Sync Primitive Send Completed After Timeout\n"); 2829 mpt_free_request(mpt, req); 2830 } else if ((req->state & REQ_STATE_NEED_WAKEUP) == 0) { 2831 mpt_lprt(mpt, MPT_PRT_DEBUG, 2832 "Async Primitive Send Complete\n"); 2833 mpt_free_request(mpt, req); 2834 } else { 2835 mpt_lprt(mpt, MPT_PRT_DEBUG, 2836 "Sync Primitive Send Complete- Waking Waiter\n"); 2837 wakeup(req); 2838 } 2839 return (TRUE); 2840 } 2841 2842 if (rp->Function != MPI_FUNCTION_FC_LINK_SRVC_BUF_POST) { 2843 mpt_prt(mpt, "unexpected ELS_REPLY: Function 0x%x Flags %x " 2844 "Length %d Message Flags %x\n", rp->Function, rp->Flags, 2845 rp->MsgLength, rp->MsgFlags); 2846 return (TRUE); 2847 } 2848 2849 if (rp->MsgLength <= 5) { 2850 /* 2851 * This is just a ack of an original ELS buffer post 2852 */ 2853 mpt_lprt(mpt, MPT_PRT_DEBUG, 2854 "RECV'd ACK of FC_ELS buf post %p:%u\n", req, req->serno); 2855 return (TRUE); 2856 } 2857 2858 rctl = (le32toh(rp->Rctl_Did) & MPI_FC_RCTL_MASK) >> MPI_FC_RCTL_SHIFT; 2859 type = (le32toh(rp->Type_Fctl) & MPI_FC_TYPE_MASK) >> MPI_FC_TYPE_SHIFT; 2860 2861 elsbuf = &((U32 *)req->req_vbuf)[MPT_RQSL(mpt)/sizeof (U32)]; 2862 cmd = be32toh(elsbuf[0]) >> 24; 2863 2864 if (rp->Flags & MPI_LS_BUF_POST_REPLY_FLAG_NO_RSP_NEEDED) { 2865 mpt_lprt(mpt, MPT_PRT_ALWAYS, "ELS_REPLY: response unneeded\n"); 2866 return (TRUE); 2867 } 2868 2869 ioindex = le32toh(rp->TransactionContext); 2870 req = mpt->els_cmd_ptrs[ioindex]; 2871 2872 if (rctl == ELS && type == 1) { 2873 switch (cmd) { 2874 case PRLI: 2875 /* 2876 * Send back a PRLI ACC 2877 */ 2878 mpt_prt(mpt, "PRLI from 0x%08x%08x\n", 2879 le32toh(rp->Wwn.PortNameHigh), 2880 le32toh(rp->Wwn.PortNameLow)); 2881 elsbuf[0] = htobe32(0x02100014); 2882 elsbuf[1] |= htobe32(0x00000100); 2883 elsbuf[4] = htobe32(0x00000002); 2884 if (mpt->role & MPT_ROLE_TARGET) 2885 elsbuf[4] |= htobe32(0x00000010); 2886 if (mpt->role & MPT_ROLE_INITIATOR) 2887 elsbuf[4] |= htobe32(0x00000020); 2888 /* remove from active list as we're done */ 2889 TAILQ_REMOVE(&mpt->request_pending_list, req, links); 2890 req->state &= ~REQ_STATE_QUEUED; 2891 req->state |= REQ_STATE_DONE; 2892 mpt_fc_els_send_response(mpt, req, rp, 20); 2893 do_refresh = FALSE; 2894 break; 2895 case PRLO: 2896 memset(elsbuf, 0, 5 * (sizeof (U32))); 2897 elsbuf[0] = htobe32(0x02100014); 2898 elsbuf[1] = htobe32(0x08000100); 2899 mpt_prt(mpt, "PRLO from 0x%08x%08x\n", 2900 le32toh(rp->Wwn.PortNameHigh), 2901 le32toh(rp->Wwn.PortNameLow)); 2902 /* remove from active list as we're done */ 2903 TAILQ_REMOVE(&mpt->request_pending_list, req, links); 2904 req->state &= ~REQ_STATE_QUEUED; 2905 req->state |= REQ_STATE_DONE; 2906 mpt_fc_els_send_response(mpt, req, rp, 20); 2907 do_refresh = FALSE; 2908 break; 2909 default: 2910 mpt_prt(mpt, "ELS TYPE 1 COMMAND: %x\n", cmd); 2911 break; 2912 } 2913 } else if (rctl == ABTS && type == 0) { 2914 uint16_t rx_id = le16toh(rp->Rxid); 2915 uint16_t ox_id = le16toh(rp->Oxid); 2916 mpt_tgt_state_t *tgt; 2917 request_t *tgt_req = NULL; 2918 union ccb *ccb; 2919 uint32_t ct_id; 2920 2921 mpt_prt(mpt, 2922 "ELS: ABTS OX_ID 0x%x RX_ID 0x%x from 0x%08x%08x\n", 2923 ox_id, rx_id, le32toh(rp->Wwn.PortNameHigh), 2924 le32toh(rp->Wwn.PortNameLow)); 2925 if (rx_id >= mpt->mpt_max_tgtcmds) { 2926 mpt_prt(mpt, "Bad RX_ID 0x%x\n", rx_id); 2927 } else if (mpt->tgt_cmd_ptrs == NULL) { 2928 mpt_prt(mpt, "No TGT CMD PTRS\n"); 2929 } else { 2930 tgt_req = mpt->tgt_cmd_ptrs[rx_id]; 2931 } 2932 if (tgt_req == NULL) { 2933 mpt_prt(mpt, "no back pointer for RX_ID 0x%x\n", rx_id); 2934 goto skip; 2935 } 2936 tgt = MPT_TGT_STATE(mpt, tgt_req); 2937 2938 /* Check to make sure we have the correct command. */ 2939 ct_id = GET_IO_INDEX(tgt->reply_desc); 2940 if (ct_id != rx_id) { 2941 mpt_lprt(mpt, MPT_PRT_ERROR, "ABORT Mismatch: " 2942 "RX_ID received=0x%x, in cmd=0x%x\n", rx_id, ct_id); 2943 goto skip; 2944 } 2945 if (tgt->itag != ox_id) { 2946 mpt_lprt(mpt, MPT_PRT_ERROR, "ABORT Mismatch: " 2947 "OX_ID received=0x%x, in cmd=0x%x\n", ox_id, tgt->itag); 2948 goto skip; 2949 } 2950 2951 if ((ccb = tgt->ccb) != NULL) { 2952 mpt_prt(mpt, "CCB (%p): lun %jx flags %x status %x\n", 2953 ccb, (uintmax_t)ccb->ccb_h.target_lun, 2954 ccb->ccb_h.flags, ccb->ccb_h.status); 2955 } 2956 mpt_prt(mpt, "target state 0x%x resid %u xfrd %u rpwrd " 2957 "%x nxfers %x\n", tgt->state, tgt->resid, 2958 tgt->bytes_xfered, tgt->reply_desc, tgt->nxfers); 2959 if (mpt_abort_target_cmd(mpt, tgt_req)) 2960 mpt_prt(mpt, "unable to start TargetAbort\n"); 2961 2962 skip: 2963 memset(elsbuf, 0, 5 * (sizeof (U32))); 2964 elsbuf[0] = htobe32(0); 2965 elsbuf[1] = htobe32((ox_id << 16) | rx_id); 2966 elsbuf[2] = htobe32(0x000ffff); 2967 /* 2968 * Dork with the reply frame so that the response to it 2969 * will be correct. 2970 */ 2971 rp->Rctl_Did += ((BA_ACC - ABTS) << MPI_FC_RCTL_SHIFT); 2972 /* remove from active list as we're done */ 2973 TAILQ_REMOVE(&mpt->request_pending_list, req, links); 2974 req->state &= ~REQ_STATE_QUEUED; 2975 req->state |= REQ_STATE_DONE; 2976 mpt_fc_els_send_response(mpt, req, rp, 12); 2977 do_refresh = FALSE; 2978 } else { 2979 mpt_prt(mpt, "ELS: RCTL %x TYPE %x CMD %x\n", rctl, type, cmd); 2980 } 2981 if (do_refresh == TRUE) { 2982 /* remove from active list as we're done */ 2983 TAILQ_REMOVE(&mpt->request_pending_list, req, links); 2984 req->state &= ~REQ_STATE_QUEUED; 2985 req->state |= REQ_STATE_DONE; 2986 mpt_fc_post_els(mpt, req, ioindex); 2987 } 2988 return (TRUE); 2989 } 2990 2991 /* 2992 * Clean up all SCSI Initiator personality state in response 2993 * to a controller reset. 2994 */ 2995 static void 2996 mpt_cam_ioc_reset(struct mpt_softc *mpt, int type) 2997 { 2998 2999 /* 3000 * The pending list is already run down by 3001 * the generic handler. Perform the same 3002 * operation on the timed out request list. 3003 */ 3004 mpt_complete_request_chain(mpt, &mpt->request_timeout_list, 3005 MPI_IOCSTATUS_INVALID_STATE); 3006 3007 /* 3008 * XXX: We need to repost ELS and Target Command Buffers? 3009 */ 3010 3011 /* 3012 * Inform the XPT that a bus reset has occurred. 3013 */ 3014 xpt_async(AC_BUS_RESET, mpt->path, NULL); 3015 } 3016 3017 /* 3018 * Parse additional completion information in the reply 3019 * frame for SCSI I/O requests. 3020 */ 3021 static int 3022 mpt_scsi_reply_frame_handler(struct mpt_softc *mpt, request_t *req, 3023 MSG_DEFAULT_REPLY *reply_frame) 3024 { 3025 union ccb *ccb; 3026 MSG_SCSI_IO_REPLY *scsi_io_reply; 3027 u_int ioc_status; 3028 u_int sstate; 3029 3030 MPT_DUMP_REPLY_FRAME(mpt, reply_frame); 3031 KASSERT(reply_frame->Function == MPI_FUNCTION_SCSI_IO_REQUEST 3032 || reply_frame->Function == MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH, 3033 ("MPT SCSI I/O Handler called with incorrect reply type")); 3034 KASSERT((reply_frame->MsgFlags & MPI_MSGFLAGS_CONTINUATION_REPLY) == 0, 3035 ("MPT SCSI I/O Handler called with continuation reply")); 3036 3037 scsi_io_reply = (MSG_SCSI_IO_REPLY *)reply_frame; 3038 ioc_status = le16toh(scsi_io_reply->IOCStatus); 3039 ioc_status &= MPI_IOCSTATUS_MASK; 3040 sstate = scsi_io_reply->SCSIState; 3041 3042 ccb = req->ccb; 3043 ccb->csio.resid = 3044 ccb->csio.dxfer_len - le32toh(scsi_io_reply->TransferCount); 3045 3046 if ((sstate & MPI_SCSI_STATE_AUTOSENSE_VALID) != 0 3047 && (ccb->ccb_h.flags & (CAM_SENSE_PHYS | CAM_SENSE_PTR)) == 0) { 3048 uint32_t sense_returned; 3049 3050 ccb->ccb_h.status |= CAM_AUTOSNS_VALID; 3051 3052 sense_returned = le32toh(scsi_io_reply->SenseCount); 3053 if (sense_returned < ccb->csio.sense_len) 3054 ccb->csio.sense_resid = ccb->csio.sense_len - 3055 sense_returned; 3056 else 3057 ccb->csio.sense_resid = 0; 3058 3059 bzero(&ccb->csio.sense_data, sizeof(ccb->csio.sense_data)); 3060 bcopy(req->sense_vbuf, &ccb->csio.sense_data, 3061 min(ccb->csio.sense_len, sense_returned)); 3062 } 3063 3064 if ((sstate & MPI_SCSI_STATE_QUEUE_TAG_REJECTED) != 0) { 3065 /* 3066 * Tag messages rejected, but non-tagged retry 3067 * was successful. 3068 XXXX 3069 mpt_set_tags(mpt, devinfo, MPT_QUEUE_NONE); 3070 */ 3071 } 3072 3073 switch(ioc_status) { 3074 case MPI_IOCSTATUS_SCSI_RESIDUAL_MISMATCH: 3075 /* 3076 * XXX 3077 * Linux driver indicates that a zero 3078 * transfer length with this error code 3079 * indicates a CRC error. 3080 * 3081 * No need to swap the bytes for checking 3082 * against zero. 3083 */ 3084 if (scsi_io_reply->TransferCount == 0) { 3085 mpt_set_ccb_status(ccb, CAM_UNCOR_PARITY); 3086 break; 3087 } 3088 /* FALLTHROUGH */ 3089 case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN: 3090 case MPI_IOCSTATUS_SUCCESS: 3091 case MPI_IOCSTATUS_SCSI_RECOVERED_ERROR: 3092 if ((sstate & MPI_SCSI_STATE_NO_SCSI_STATUS) != 0) { 3093 /* 3094 * Status was never returned for this transaction. 3095 */ 3096 mpt_set_ccb_status(ccb, CAM_UNEXP_BUSFREE); 3097 } else if (scsi_io_reply->SCSIStatus != SCSI_STATUS_OK) { 3098 ccb->csio.scsi_status = scsi_io_reply->SCSIStatus; 3099 mpt_set_ccb_status(ccb, CAM_SCSI_STATUS_ERROR); 3100 if ((sstate & MPI_SCSI_STATE_AUTOSENSE_FAILED) != 0) 3101 mpt_set_ccb_status(ccb, CAM_AUTOSENSE_FAIL); 3102 } else if ((sstate & MPI_SCSI_STATE_RESPONSE_INFO_VALID) != 0) { 3103 /* XXX Handle SPI-Packet and FCP-2 response info. */ 3104 mpt_set_ccb_status(ccb, CAM_REQ_CMP_ERR); 3105 } else 3106 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 3107 break; 3108 case MPI_IOCSTATUS_SCSI_DATA_OVERRUN: 3109 mpt_set_ccb_status(ccb, CAM_DATA_RUN_ERR); 3110 break; 3111 case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR: 3112 mpt_set_ccb_status(ccb, CAM_UNCOR_PARITY); 3113 break; 3114 case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE: 3115 /* 3116 * Since selection timeouts and "device really not 3117 * there" are grouped into this error code, report 3118 * selection timeout. Selection timeouts are 3119 * typically retried before giving up on the device 3120 * whereas "device not there" errors are considered 3121 * unretryable. 3122 */ 3123 mpt_set_ccb_status(ccb, CAM_SEL_TIMEOUT); 3124 break; 3125 case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR: 3126 mpt_set_ccb_status(ccb, CAM_SEQUENCE_FAIL); 3127 break; 3128 case MPI_IOCSTATUS_SCSI_INVALID_BUS: 3129 mpt_set_ccb_status(ccb, CAM_PATH_INVALID); 3130 break; 3131 case MPI_IOCSTATUS_SCSI_INVALID_TARGETID: 3132 mpt_set_ccb_status(ccb, CAM_TID_INVALID); 3133 break; 3134 case MPI_IOCSTATUS_SCSI_TASK_MGMT_FAILED: 3135 ccb->ccb_h.status = CAM_UA_TERMIO; 3136 break; 3137 case MPI_IOCSTATUS_INVALID_STATE: 3138 /* 3139 * The IOC has been reset. Emulate a bus reset. 3140 */ 3141 /* FALLTHROUGH */ 3142 case MPI_IOCSTATUS_SCSI_EXT_TERMINATED: 3143 ccb->ccb_h.status = CAM_SCSI_BUS_RESET; 3144 break; 3145 case MPI_IOCSTATUS_SCSI_TASK_TERMINATED: 3146 case MPI_IOCSTATUS_SCSI_IOC_TERMINATED: 3147 /* 3148 * Don't clobber any timeout status that has 3149 * already been set for this transaction. We 3150 * want the SCSI layer to be able to differentiate 3151 * between the command we aborted due to timeout 3152 * and any innocent bystanders. 3153 */ 3154 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_INPROG) 3155 break; 3156 mpt_set_ccb_status(ccb, CAM_REQ_TERMIO); 3157 break; 3158 3159 case MPI_IOCSTATUS_INSUFFICIENT_RESOURCES: 3160 mpt_set_ccb_status(ccb, CAM_RESRC_UNAVAIL); 3161 break; 3162 case MPI_IOCSTATUS_BUSY: 3163 mpt_set_ccb_status(ccb, CAM_BUSY); 3164 break; 3165 case MPI_IOCSTATUS_INVALID_FUNCTION: 3166 case MPI_IOCSTATUS_INVALID_SGL: 3167 case MPI_IOCSTATUS_INTERNAL_ERROR: 3168 case MPI_IOCSTATUS_INVALID_FIELD: 3169 default: 3170 /* XXX 3171 * Some of the above may need to kick 3172 * of a recovery action!!!! 3173 */ 3174 ccb->ccb_h.status = CAM_UNREC_HBA_ERROR; 3175 break; 3176 } 3177 3178 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 3179 mpt_freeze_ccb(ccb); 3180 } 3181 3182 return (TRUE); 3183 } 3184 3185 static void 3186 mpt_action(struct cam_sim *sim, union ccb *ccb) 3187 { 3188 struct mpt_softc *mpt; 3189 struct ccb_trans_settings *cts; 3190 target_id_t tgt; 3191 lun_id_t lun; 3192 int raid_passthru; 3193 3194 CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE, ("mpt_action\n")); 3195 3196 mpt = (struct mpt_softc *)cam_sim_softc(sim); 3197 raid_passthru = (sim == mpt->phydisk_sim); 3198 MPT_LOCK_ASSERT(mpt); 3199 3200 tgt = ccb->ccb_h.target_id; 3201 lun = ccb->ccb_h.target_lun; 3202 if (raid_passthru && 3203 ccb->ccb_h.func_code != XPT_PATH_INQ && 3204 ccb->ccb_h.func_code != XPT_RESET_BUS && 3205 ccb->ccb_h.func_code != XPT_RESET_DEV) { 3206 if (mpt_map_physdisk(mpt, ccb, &tgt) != 0) { 3207 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 3208 mpt_set_ccb_status(ccb, CAM_DEV_NOT_THERE); 3209 xpt_done(ccb); 3210 return; 3211 } 3212 } 3213 ccb->ccb_h.ccb_mpt_ptr = mpt; 3214 3215 switch (ccb->ccb_h.func_code) { 3216 case XPT_SCSI_IO: /* Execute the requested I/O operation */ 3217 /* 3218 * Do a couple of preliminary checks... 3219 */ 3220 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0) { 3221 if ((ccb->ccb_h.flags & CAM_CDB_PHYS) != 0) { 3222 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 3223 mpt_set_ccb_status(ccb, CAM_REQ_INVALID); 3224 break; 3225 } 3226 } 3227 /* Max supported CDB length is 16 bytes */ 3228 /* XXX Unless we implement the new 32byte message type */ 3229 if (ccb->csio.cdb_len > 3230 sizeof (((PTR_MSG_SCSI_IO_REQUEST)0)->CDB)) { 3231 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 3232 mpt_set_ccb_status(ccb, CAM_REQ_INVALID); 3233 break; 3234 } 3235 #ifdef MPT_TEST_MULTIPATH 3236 if (mpt->failure_id == ccb->ccb_h.target_id) { 3237 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 3238 mpt_set_ccb_status(ccb, CAM_SEL_TIMEOUT); 3239 break; 3240 } 3241 #endif 3242 ccb->csio.scsi_status = SCSI_STATUS_OK; 3243 mpt_start(sim, ccb); 3244 return; 3245 3246 case XPT_RESET_BUS: 3247 if (raid_passthru) { 3248 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 3249 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 3250 break; 3251 } 3252 case XPT_RESET_DEV: 3253 if (ccb->ccb_h.func_code == XPT_RESET_BUS) { 3254 if (bootverbose) { 3255 xpt_print(ccb->ccb_h.path, "reset bus\n"); 3256 } 3257 } else { 3258 xpt_print(ccb->ccb_h.path, "reset device\n"); 3259 } 3260 (void) mpt_bus_reset(mpt, tgt, lun, FALSE); 3261 3262 /* 3263 * mpt_bus_reset is always successful in that it 3264 * will fall back to a hard reset should a bus 3265 * reset attempt fail. 3266 */ 3267 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 3268 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 3269 break; 3270 3271 case XPT_ABORT: 3272 { 3273 union ccb *accb = ccb->cab.abort_ccb; 3274 switch (accb->ccb_h.func_code) { 3275 case XPT_ACCEPT_TARGET_IO: 3276 case XPT_IMMEDIATE_NOTIFY: 3277 ccb->ccb_h.status = mpt_abort_target_ccb(mpt, ccb); 3278 break; 3279 case XPT_CONT_TARGET_IO: 3280 mpt_prt(mpt, "cannot abort active CTIOs yet\n"); 3281 ccb->ccb_h.status = CAM_UA_ABORT; 3282 break; 3283 case XPT_SCSI_IO: 3284 ccb->ccb_h.status = CAM_UA_ABORT; 3285 break; 3286 default: 3287 ccb->ccb_h.status = CAM_REQ_INVALID; 3288 break; 3289 } 3290 break; 3291 } 3292 3293 #define IS_CURRENT_SETTINGS(c) ((c)->type == CTS_TYPE_CURRENT_SETTINGS) 3294 3295 #define DP_DISC_ENABLE 0x1 3296 #define DP_DISC_DISABL 0x2 3297 #define DP_DISC (DP_DISC_ENABLE|DP_DISC_DISABL) 3298 3299 #define DP_TQING_ENABLE 0x4 3300 #define DP_TQING_DISABL 0x8 3301 #define DP_TQING (DP_TQING_ENABLE|DP_TQING_DISABL) 3302 3303 #define DP_WIDE 0x10 3304 #define DP_NARROW 0x20 3305 #define DP_WIDTH (DP_WIDE|DP_NARROW) 3306 3307 #define DP_SYNC 0x40 3308 3309 case XPT_SET_TRAN_SETTINGS: /* Nexus Settings */ 3310 { 3311 struct ccb_trans_settings_scsi *scsi; 3312 struct ccb_trans_settings_spi *spi; 3313 uint8_t dval; 3314 u_int period; 3315 u_int offset; 3316 int i, j; 3317 3318 cts = &ccb->cts; 3319 3320 if (mpt->is_fc || mpt->is_sas) { 3321 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 3322 break; 3323 } 3324 3325 scsi = &cts->proto_specific.scsi; 3326 spi = &cts->xport_specific.spi; 3327 3328 /* 3329 * We can be called just to valid transport and proto versions 3330 */ 3331 if (scsi->valid == 0 && spi->valid == 0) { 3332 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 3333 break; 3334 } 3335 3336 /* 3337 * Skip attempting settings on RAID volume disks. 3338 * Other devices on the bus get the normal treatment. 3339 */ 3340 if (mpt->phydisk_sim && raid_passthru == 0 && 3341 mpt_is_raid_volume(mpt, tgt) != 0) { 3342 mpt_lprt(mpt, MPT_PRT_NEGOTIATION, 3343 "no transfer settings for RAID vols\n"); 3344 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 3345 break; 3346 } 3347 3348 i = mpt->mpt_port_page2.PortSettings & 3349 MPI_SCSIPORTPAGE2_PORT_MASK_NEGO_MASTER_SETTINGS; 3350 j = mpt->mpt_port_page2.PortFlags & 3351 MPI_SCSIPORTPAGE2_PORT_FLAGS_DV_MASK; 3352 if (i == MPI_SCSIPORTPAGE2_PORT_ALL_MASTER_SETTINGS && 3353 j == MPI_SCSIPORTPAGE2_PORT_FLAGS_OFF_DV) { 3354 mpt_lprt(mpt, MPT_PRT_ALWAYS, 3355 "honoring BIOS transfer negotiations\n"); 3356 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 3357 break; 3358 } 3359 3360 dval = 0; 3361 period = 0; 3362 offset = 0; 3363 3364 if ((spi->valid & CTS_SPI_VALID_DISC) != 0) { 3365 dval |= ((spi->flags & CTS_SPI_FLAGS_DISC_ENB) != 0) ? 3366 DP_DISC_ENABLE : DP_DISC_DISABL; 3367 } 3368 3369 if ((scsi->valid & CTS_SCSI_VALID_TQ) != 0) { 3370 dval |= ((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0) ? 3371 DP_TQING_ENABLE : DP_TQING_DISABL; 3372 } 3373 3374 if ((spi->valid & CTS_SPI_VALID_BUS_WIDTH) != 0) { 3375 dval |= (spi->bus_width == MSG_EXT_WDTR_BUS_16_BIT) ? 3376 DP_WIDE : DP_NARROW; 3377 } 3378 3379 if (spi->valid & CTS_SPI_VALID_SYNC_OFFSET) { 3380 dval |= DP_SYNC; 3381 offset = spi->sync_offset; 3382 } else { 3383 PTR_CONFIG_PAGE_SCSI_DEVICE_1 ptr = 3384 &mpt->mpt_dev_page1[tgt]; 3385 offset = ptr->RequestedParameters; 3386 offset &= MPI_SCSIDEVPAGE1_RP_MAX_SYNC_OFFSET_MASK; 3387 offset >>= MPI_SCSIDEVPAGE1_RP_SHIFT_MAX_SYNC_OFFSET; 3388 } 3389 if (spi->valid & CTS_SPI_VALID_SYNC_RATE) { 3390 dval |= DP_SYNC; 3391 period = spi->sync_period; 3392 } else { 3393 PTR_CONFIG_PAGE_SCSI_DEVICE_1 ptr = 3394 &mpt->mpt_dev_page1[tgt]; 3395 period = ptr->RequestedParameters; 3396 period &= MPI_SCSIDEVPAGE1_RP_MIN_SYNC_PERIOD_MASK; 3397 period >>= MPI_SCSIDEVPAGE1_RP_SHIFT_MIN_SYNC_PERIOD; 3398 } 3399 3400 if (dval & DP_DISC_ENABLE) { 3401 mpt->mpt_disc_enable |= (1 << tgt); 3402 } else if (dval & DP_DISC_DISABL) { 3403 mpt->mpt_disc_enable &= ~(1 << tgt); 3404 } 3405 if (dval & DP_TQING_ENABLE) { 3406 mpt->mpt_tag_enable |= (1 << tgt); 3407 } else if (dval & DP_TQING_DISABL) { 3408 mpt->mpt_tag_enable &= ~(1 << tgt); 3409 } 3410 if (dval & DP_WIDTH) { 3411 mpt_setwidth(mpt, tgt, 1); 3412 } 3413 if (dval & DP_SYNC) { 3414 mpt_setsync(mpt, tgt, period, offset); 3415 } 3416 if (dval == 0) { 3417 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 3418 break; 3419 } 3420 mpt_lprt(mpt, MPT_PRT_NEGOTIATION, 3421 "set [%d]: 0x%x period 0x%x offset %d\n", 3422 tgt, dval, period, offset); 3423 if (mpt_update_spi_config(mpt, tgt)) { 3424 mpt_set_ccb_status(ccb, CAM_REQ_CMP_ERR); 3425 } else { 3426 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 3427 } 3428 break; 3429 } 3430 case XPT_GET_TRAN_SETTINGS: 3431 { 3432 struct ccb_trans_settings_scsi *scsi; 3433 cts = &ccb->cts; 3434 cts->protocol = PROTO_SCSI; 3435 if (mpt->is_fc) { 3436 struct ccb_trans_settings_fc *fc = 3437 &cts->xport_specific.fc; 3438 cts->protocol_version = SCSI_REV_SPC; 3439 cts->transport = XPORT_FC; 3440 cts->transport_version = 0; 3441 if (mpt->mpt_fcport_speed != 0) { 3442 fc->valid = CTS_FC_VALID_SPEED; 3443 fc->bitrate = 100000 * mpt->mpt_fcport_speed; 3444 } 3445 } else if (mpt->is_sas) { 3446 struct ccb_trans_settings_sas *sas = 3447 &cts->xport_specific.sas; 3448 cts->protocol_version = SCSI_REV_SPC2; 3449 cts->transport = XPORT_SAS; 3450 cts->transport_version = 0; 3451 sas->valid = CTS_SAS_VALID_SPEED; 3452 sas->bitrate = 300000; 3453 } else { 3454 cts->protocol_version = SCSI_REV_2; 3455 cts->transport = XPORT_SPI; 3456 cts->transport_version = 2; 3457 if (mpt_get_spi_settings(mpt, cts) != 0) { 3458 mpt_set_ccb_status(ccb, CAM_REQ_CMP_ERR); 3459 break; 3460 } 3461 } 3462 scsi = &cts->proto_specific.scsi; 3463 scsi->valid = CTS_SCSI_VALID_TQ; 3464 scsi->flags = CTS_SCSI_FLAGS_TAG_ENB; 3465 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 3466 break; 3467 } 3468 case XPT_CALC_GEOMETRY: 3469 { 3470 struct ccb_calc_geometry *ccg; 3471 3472 ccg = &ccb->ccg; 3473 if (ccg->block_size == 0) { 3474 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 3475 mpt_set_ccb_status(ccb, CAM_REQ_INVALID); 3476 break; 3477 } 3478 cam_calc_geometry(ccg, /* extended */ 1); 3479 KASSERT(ccb->ccb_h.status, ("zero ccb sts at %d", __LINE__)); 3480 break; 3481 } 3482 case XPT_GET_SIM_KNOB: 3483 { 3484 struct ccb_sim_knob *kp = &ccb->knob; 3485 3486 if (mpt->is_fc) { 3487 kp->xport_specific.fc.wwnn = mpt->scinfo.fc.wwnn; 3488 kp->xport_specific.fc.wwpn = mpt->scinfo.fc.wwpn; 3489 switch (mpt->role) { 3490 case MPT_ROLE_NONE: 3491 kp->xport_specific.fc.role = KNOB_ROLE_NONE; 3492 break; 3493 case MPT_ROLE_INITIATOR: 3494 kp->xport_specific.fc.role = KNOB_ROLE_INITIATOR; 3495 break; 3496 case MPT_ROLE_TARGET: 3497 kp->xport_specific.fc.role = KNOB_ROLE_TARGET; 3498 break; 3499 case MPT_ROLE_BOTH: 3500 kp->xport_specific.fc.role = KNOB_ROLE_BOTH; 3501 break; 3502 } 3503 kp->xport_specific.fc.valid = 3504 KNOB_VALID_ADDRESS | KNOB_VALID_ROLE; 3505 ccb->ccb_h.status = CAM_REQ_CMP; 3506 } else { 3507 ccb->ccb_h.status = CAM_REQ_INVALID; 3508 } 3509 xpt_done(ccb); 3510 break; 3511 } 3512 case XPT_PATH_INQ: /* Path routing inquiry */ 3513 { 3514 struct ccb_pathinq *cpi = &ccb->cpi; 3515 3516 cpi->version_num = 1; 3517 cpi->target_sprt = 0; 3518 cpi->hba_eng_cnt = 0; 3519 cpi->max_target = mpt->port_facts[0].MaxDevices - 1; 3520 cpi->maxio = (mpt->max_cam_seg_cnt - 1) * PAGE_SIZE; 3521 /* 3522 * FC cards report MAX_DEVICES of 512, but 3523 * the MSG_SCSI_IO_REQUEST target id field 3524 * is only 8 bits. Until we fix the driver 3525 * to support 'channels' for bus overflow, 3526 * just limit it. 3527 */ 3528 if (cpi->max_target > 255) { 3529 cpi->max_target = 255; 3530 } 3531 3532 /* 3533 * VMware ESX reports > 16 devices and then dies when we probe. 3534 */ 3535 if (mpt->is_spi && cpi->max_target > 15) { 3536 cpi->max_target = 15; 3537 } 3538 if (mpt->is_spi) 3539 cpi->max_lun = 7; 3540 else 3541 cpi->max_lun = MPT_MAX_LUNS; 3542 cpi->initiator_id = mpt->mpt_ini_id; 3543 cpi->bus_id = cam_sim_bus(sim); 3544 3545 /* 3546 * The base speed is the speed of the underlying connection. 3547 */ 3548 cpi->protocol = PROTO_SCSI; 3549 if (mpt->is_fc) { 3550 cpi->hba_misc = PIM_NOBUSRESET | PIM_UNMAPPED | 3551 PIM_EXTLUNS; 3552 cpi->base_transfer_speed = 100000; 3553 cpi->hba_inquiry = PI_TAG_ABLE; 3554 cpi->transport = XPORT_FC; 3555 cpi->transport_version = 0; 3556 cpi->protocol_version = SCSI_REV_SPC; 3557 cpi->xport_specific.fc.wwnn = mpt->scinfo.fc.wwnn; 3558 cpi->xport_specific.fc.wwpn = mpt->scinfo.fc.wwpn; 3559 cpi->xport_specific.fc.port = mpt->scinfo.fc.portid; 3560 cpi->xport_specific.fc.bitrate = 3561 100000 * mpt->mpt_fcport_speed; 3562 } else if (mpt->is_sas) { 3563 cpi->hba_misc = PIM_NOBUSRESET | PIM_UNMAPPED | 3564 PIM_EXTLUNS; 3565 cpi->base_transfer_speed = 300000; 3566 cpi->hba_inquiry = PI_TAG_ABLE; 3567 cpi->transport = XPORT_SAS; 3568 cpi->transport_version = 0; 3569 cpi->protocol_version = SCSI_REV_SPC2; 3570 } else { 3571 cpi->hba_misc = PIM_SEQSCAN | PIM_UNMAPPED | 3572 PIM_EXTLUNS; 3573 cpi->base_transfer_speed = 3300; 3574 cpi->hba_inquiry = PI_SDTR_ABLE|PI_TAG_ABLE|PI_WIDE_16; 3575 cpi->transport = XPORT_SPI; 3576 cpi->transport_version = 2; 3577 cpi->protocol_version = SCSI_REV_2; 3578 } 3579 3580 /* 3581 * We give our fake RAID passhtru bus a width that is MaxVolumes 3582 * wide and restrict it to one lun. 3583 */ 3584 if (raid_passthru) { 3585 cpi->max_target = mpt->ioc_page2->MaxPhysDisks - 1; 3586 cpi->initiator_id = cpi->max_target + 1; 3587 cpi->max_lun = 0; 3588 } 3589 3590 if ((mpt->role & MPT_ROLE_INITIATOR) == 0) { 3591 cpi->hba_misc |= PIM_NOINITIATOR; 3592 } 3593 if (mpt->is_fc && (mpt->role & MPT_ROLE_TARGET)) { 3594 cpi->target_sprt = 3595 PIT_PROCESSOR | PIT_DISCONNECT | PIT_TERM_IO; 3596 } else { 3597 cpi->target_sprt = 0; 3598 } 3599 strlcpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); 3600 strlcpy(cpi->hba_vid, "LSI", HBA_IDLEN); 3601 strlcpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN); 3602 cpi->unit_number = cam_sim_unit(sim); 3603 cpi->ccb_h.status = CAM_REQ_CMP; 3604 break; 3605 } 3606 case XPT_EN_LUN: /* Enable LUN as a target */ 3607 { 3608 int result; 3609 3610 if (ccb->cel.enable) 3611 result = mpt_enable_lun(mpt, 3612 ccb->ccb_h.target_id, ccb->ccb_h.target_lun); 3613 else 3614 result = mpt_disable_lun(mpt, 3615 ccb->ccb_h.target_id, ccb->ccb_h.target_lun); 3616 if (result == 0) { 3617 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 3618 } else { 3619 mpt_set_ccb_status(ccb, CAM_REQ_CMP_ERR); 3620 } 3621 break; 3622 } 3623 case XPT_IMMEDIATE_NOTIFY: /* Add Immediate Notify Resource */ 3624 case XPT_ACCEPT_TARGET_IO: /* Add Accept Target IO Resource */ 3625 { 3626 tgt_resource_t *trtp; 3627 lun_id_t lun = ccb->ccb_h.target_lun; 3628 ccb->ccb_h.sim_priv.entries[0].field = 0; 3629 ccb->ccb_h.sim_priv.entries[1].ptr = mpt; 3630 3631 if (lun == CAM_LUN_WILDCARD) { 3632 if (ccb->ccb_h.target_id != CAM_TARGET_WILDCARD) { 3633 mpt_set_ccb_status(ccb, CAM_REQ_INVALID); 3634 break; 3635 } 3636 trtp = &mpt->trt_wildcard; 3637 } else if (lun >= MPT_MAX_LUNS) { 3638 mpt_set_ccb_status(ccb, CAM_REQ_INVALID); 3639 break; 3640 } else { 3641 trtp = &mpt->trt[lun]; 3642 } 3643 if (ccb->ccb_h.func_code == XPT_ACCEPT_TARGET_IO) { 3644 mpt_lprt(mpt, MPT_PRT_DEBUG1, 3645 "Put FREE ATIO %p lun %jx\n", ccb, (uintmax_t)lun); 3646 STAILQ_INSERT_TAIL(&trtp->atios, &ccb->ccb_h, 3647 sim_links.stqe); 3648 } else { 3649 mpt_lprt(mpt, MPT_PRT_DEBUG1, 3650 "Put FREE INOT lun %jx\n", (uintmax_t)lun); 3651 STAILQ_INSERT_TAIL(&trtp->inots, &ccb->ccb_h, 3652 sim_links.stqe); 3653 } 3654 mpt_set_ccb_status(ccb, CAM_REQ_INPROG); 3655 return; 3656 } 3657 case XPT_NOTIFY_ACKNOWLEDGE: /* Task management request done. */ 3658 { 3659 request_t *req = MPT_TAG_2_REQ(mpt, ccb->cna2.tag_id); 3660 3661 mpt_lprt(mpt, MPT_PRT_DEBUG, "Got Notify ACK\n"); 3662 mpt_scsi_tgt_status(mpt, NULL, req, 0, NULL, 0); 3663 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 3664 break; 3665 } 3666 case XPT_CONT_TARGET_IO: 3667 mpt_target_start_io(mpt, ccb); 3668 return; 3669 3670 default: 3671 ccb->ccb_h.status = CAM_REQ_INVALID; 3672 break; 3673 } 3674 xpt_done(ccb); 3675 } 3676 3677 static int 3678 mpt_get_spi_settings(struct mpt_softc *mpt, struct ccb_trans_settings *cts) 3679 { 3680 struct ccb_trans_settings_scsi *scsi = &cts->proto_specific.scsi; 3681 struct ccb_trans_settings_spi *spi = &cts->xport_specific.spi; 3682 target_id_t tgt; 3683 uint32_t dval, pval, oval; 3684 int rv; 3685 3686 if (IS_CURRENT_SETTINGS(cts) == 0) { 3687 tgt = cts->ccb_h.target_id; 3688 } else if (xpt_path_sim(cts->ccb_h.path) == mpt->phydisk_sim) { 3689 if (mpt_map_physdisk(mpt, (union ccb *)cts, &tgt)) { 3690 return (-1); 3691 } 3692 } else { 3693 tgt = cts->ccb_h.target_id; 3694 } 3695 3696 /* 3697 * We aren't looking at Port Page 2 BIOS settings here- 3698 * sometimes these have been known to be bogus XXX. 3699 * 3700 * For user settings, we pick the max from port page 0 3701 * 3702 * For current settings we read the current settings out from 3703 * device page 0 for that target. 3704 */ 3705 if (IS_CURRENT_SETTINGS(cts)) { 3706 CONFIG_PAGE_SCSI_DEVICE_0 tmp; 3707 dval = 0; 3708 3709 tmp = mpt->mpt_dev_page0[tgt]; 3710 rv = mpt_read_cur_cfg_page(mpt, tgt, &tmp.Header, 3711 sizeof(tmp), FALSE, 5000); 3712 if (rv) { 3713 mpt_prt(mpt, "can't get tgt %d config page 0\n", tgt); 3714 return (rv); 3715 } 3716 mpt2host_config_page_scsi_device_0(&tmp); 3717 3718 mpt_lprt(mpt, MPT_PRT_DEBUG, 3719 "mpt_get_spi_settings[%d]: current NP %x Info %x\n", tgt, 3720 tmp.NegotiatedParameters, tmp.Information); 3721 dval |= (tmp.NegotiatedParameters & MPI_SCSIDEVPAGE0_NP_WIDE) ? 3722 DP_WIDE : DP_NARROW; 3723 dval |= (mpt->mpt_disc_enable & (1 << tgt)) ? 3724 DP_DISC_ENABLE : DP_DISC_DISABL; 3725 dval |= (mpt->mpt_tag_enable & (1 << tgt)) ? 3726 DP_TQING_ENABLE : DP_TQING_DISABL; 3727 oval = tmp.NegotiatedParameters; 3728 oval &= MPI_SCSIDEVPAGE0_NP_NEG_SYNC_OFFSET_MASK; 3729 oval >>= MPI_SCSIDEVPAGE0_NP_SHIFT_SYNC_OFFSET; 3730 pval = tmp.NegotiatedParameters; 3731 pval &= MPI_SCSIDEVPAGE0_NP_NEG_SYNC_PERIOD_MASK; 3732 pval >>= MPI_SCSIDEVPAGE0_NP_SHIFT_SYNC_PERIOD; 3733 mpt->mpt_dev_page0[tgt] = tmp; 3734 } else { 3735 dval = DP_WIDE|DP_DISC_ENABLE|DP_TQING_ENABLE|DP_SYNC; 3736 oval = mpt->mpt_port_page0.Capabilities; 3737 oval = MPI_SCSIPORTPAGE0_CAP_GET_MAX_SYNC_OFFSET(oval); 3738 pval = mpt->mpt_port_page0.Capabilities; 3739 pval = MPI_SCSIPORTPAGE0_CAP_GET_MIN_SYNC_PERIOD(pval); 3740 } 3741 3742 spi->valid = 0; 3743 scsi->valid = 0; 3744 spi->flags = 0; 3745 scsi->flags = 0; 3746 spi->sync_offset = oval; 3747 spi->sync_period = pval; 3748 spi->valid |= CTS_SPI_VALID_SYNC_OFFSET; 3749 spi->valid |= CTS_SPI_VALID_SYNC_RATE; 3750 spi->valid |= CTS_SPI_VALID_BUS_WIDTH; 3751 if (dval & DP_WIDE) { 3752 spi->bus_width = MSG_EXT_WDTR_BUS_16_BIT; 3753 } else { 3754 spi->bus_width = MSG_EXT_WDTR_BUS_8_BIT; 3755 } 3756 if (cts->ccb_h.target_lun != CAM_LUN_WILDCARD) { 3757 scsi->valid = CTS_SCSI_VALID_TQ; 3758 if (dval & DP_TQING_ENABLE) { 3759 scsi->flags |= CTS_SCSI_FLAGS_TAG_ENB; 3760 } 3761 spi->valid |= CTS_SPI_VALID_DISC; 3762 if (dval & DP_DISC_ENABLE) { 3763 spi->flags |= CTS_SPI_FLAGS_DISC_ENB; 3764 } 3765 } 3766 3767 mpt_lprt(mpt, MPT_PRT_NEGOTIATION, 3768 "mpt_get_spi_settings[%d]: %s flags 0x%x per 0x%x off=%d\n", tgt, 3769 IS_CURRENT_SETTINGS(cts) ? "ACTIVE" : "NVRAM ", dval, pval, oval); 3770 return (0); 3771 } 3772 3773 static void 3774 mpt_setwidth(struct mpt_softc *mpt, int tgt, int onoff) 3775 { 3776 PTR_CONFIG_PAGE_SCSI_DEVICE_1 ptr; 3777 3778 ptr = &mpt->mpt_dev_page1[tgt]; 3779 if (onoff) { 3780 ptr->RequestedParameters |= MPI_SCSIDEVPAGE1_RP_WIDE; 3781 } else { 3782 ptr->RequestedParameters &= ~MPI_SCSIDEVPAGE1_RP_WIDE; 3783 } 3784 } 3785 3786 static void 3787 mpt_setsync(struct mpt_softc *mpt, int tgt, int period, int offset) 3788 { 3789 PTR_CONFIG_PAGE_SCSI_DEVICE_1 ptr; 3790 3791 ptr = &mpt->mpt_dev_page1[tgt]; 3792 ptr->RequestedParameters &= ~MPI_SCSIDEVPAGE1_RP_MIN_SYNC_PERIOD_MASK; 3793 ptr->RequestedParameters &= ~MPI_SCSIDEVPAGE1_RP_MAX_SYNC_OFFSET_MASK; 3794 ptr->RequestedParameters &= ~MPI_SCSIDEVPAGE1_RP_DT; 3795 ptr->RequestedParameters &= ~MPI_SCSIDEVPAGE1_RP_QAS; 3796 ptr->RequestedParameters &= ~MPI_SCSIDEVPAGE1_RP_IU; 3797 if (period == 0) { 3798 return; 3799 } 3800 ptr->RequestedParameters |= 3801 period << MPI_SCSIDEVPAGE1_RP_SHIFT_MIN_SYNC_PERIOD; 3802 ptr->RequestedParameters |= 3803 offset << MPI_SCSIDEVPAGE1_RP_SHIFT_MAX_SYNC_OFFSET; 3804 if (period < 0xa) { 3805 ptr->RequestedParameters |= MPI_SCSIDEVPAGE1_RP_DT; 3806 } 3807 if (period < 0x9) { 3808 ptr->RequestedParameters |= MPI_SCSIDEVPAGE1_RP_QAS; 3809 ptr->RequestedParameters |= MPI_SCSIDEVPAGE1_RP_IU; 3810 } 3811 } 3812 3813 static int 3814 mpt_update_spi_config(struct mpt_softc *mpt, int tgt) 3815 { 3816 CONFIG_PAGE_SCSI_DEVICE_1 tmp; 3817 int rv; 3818 3819 mpt_lprt(mpt, MPT_PRT_NEGOTIATION, 3820 "mpt_update_spi_config[%d].page1: Requested Params 0x%08x\n", 3821 tgt, mpt->mpt_dev_page1[tgt].RequestedParameters); 3822 tmp = mpt->mpt_dev_page1[tgt]; 3823 host2mpt_config_page_scsi_device_1(&tmp); 3824 rv = mpt_write_cur_cfg_page(mpt, tgt, 3825 &tmp.Header, sizeof(tmp), FALSE, 5000); 3826 if (rv) { 3827 mpt_prt(mpt, "mpt_update_spi_config: write cur page failed\n"); 3828 return (-1); 3829 } 3830 return (0); 3831 } 3832 3833 /****************************** Timeout Recovery ******************************/ 3834 static int 3835 mpt_spawn_recovery_thread(struct mpt_softc *mpt) 3836 { 3837 int error; 3838 3839 error = kproc_create(mpt_recovery_thread, mpt, 3840 &mpt->recovery_thread, /*flags*/0, 3841 /*altstack*/0, "mpt_recovery%d", mpt->unit); 3842 return (error); 3843 } 3844 3845 static void 3846 mpt_terminate_recovery_thread(struct mpt_softc *mpt) 3847 { 3848 3849 if (mpt->recovery_thread == NULL) { 3850 return; 3851 } 3852 mpt->shutdwn_recovery = 1; 3853 wakeup(mpt); 3854 /* 3855 * Sleep on a slightly different location 3856 * for this interlock just for added safety. 3857 */ 3858 mpt_sleep(mpt, &mpt->recovery_thread, PUSER, "thtrm", 0); 3859 } 3860 3861 static void 3862 mpt_recovery_thread(void *arg) 3863 { 3864 struct mpt_softc *mpt; 3865 3866 mpt = (struct mpt_softc *)arg; 3867 MPT_LOCK(mpt); 3868 for (;;) { 3869 if (TAILQ_EMPTY(&mpt->request_timeout_list) != 0) { 3870 if (mpt->shutdwn_recovery == 0) { 3871 mpt_sleep(mpt, mpt, PUSER, "idle", 0); 3872 } 3873 } 3874 if (mpt->shutdwn_recovery != 0) { 3875 break; 3876 } 3877 mpt_recover_commands(mpt); 3878 } 3879 mpt->recovery_thread = NULL; 3880 wakeup(&mpt->recovery_thread); 3881 MPT_UNLOCK(mpt); 3882 kproc_exit(0); 3883 } 3884 3885 static int 3886 mpt_scsi_send_tmf(struct mpt_softc *mpt, u_int type, u_int flags, 3887 u_int channel, target_id_t target, lun_id_t lun, u_int abort_ctx, 3888 int sleep_ok) 3889 { 3890 MSG_SCSI_TASK_MGMT *tmf_req; 3891 int error; 3892 3893 /* 3894 * Wait for any current TMF request to complete. 3895 * We're only allowed to issue one TMF at a time. 3896 */ 3897 error = mpt_wait_req(mpt, mpt->tmf_req, REQ_STATE_FREE, REQ_STATE_FREE, 3898 sleep_ok, MPT_TMF_MAX_TIMEOUT); 3899 if (error != 0) { 3900 mpt_reset(mpt, TRUE); 3901 return (ETIMEDOUT); 3902 } 3903 3904 mpt_assign_serno(mpt, mpt->tmf_req); 3905 mpt->tmf_req->state = REQ_STATE_ALLOCATED|REQ_STATE_QUEUED; 3906 3907 tmf_req = (MSG_SCSI_TASK_MGMT *)mpt->tmf_req->req_vbuf; 3908 memset(tmf_req, 0, sizeof(*tmf_req)); 3909 tmf_req->TargetID = target; 3910 tmf_req->Bus = channel; 3911 tmf_req->Function = MPI_FUNCTION_SCSI_TASK_MGMT; 3912 tmf_req->TaskType = type; 3913 tmf_req->MsgFlags = flags; 3914 tmf_req->MsgContext = 3915 htole32(mpt->tmf_req->index | scsi_tmf_handler_id); 3916 be64enc(tmf_req->LUN, CAM_EXTLUN_BYTE_SWIZZLE(lun)); 3917 tmf_req->TaskMsgContext = abort_ctx; 3918 3919 mpt_lprt(mpt, MPT_PRT_DEBUG, 3920 "Issuing TMF %p:%u with MsgContext of 0x%x\n", mpt->tmf_req, 3921 mpt->tmf_req->serno, tmf_req->MsgContext); 3922 if (mpt->verbose > MPT_PRT_DEBUG) { 3923 mpt_print_request(tmf_req); 3924 } 3925 3926 KASSERT(mpt_req_on_pending_list(mpt, mpt->tmf_req) == 0, 3927 ("mpt_scsi_send_tmf: tmf_req already on pending list")); 3928 TAILQ_INSERT_HEAD(&mpt->request_pending_list, mpt->tmf_req, links); 3929 error = mpt_send_handshake_cmd(mpt, sizeof(*tmf_req), tmf_req); 3930 if (error != MPT_OK) { 3931 TAILQ_REMOVE(&mpt->request_pending_list, mpt->tmf_req, links); 3932 mpt->tmf_req->state = REQ_STATE_FREE; 3933 mpt_reset(mpt, TRUE); 3934 } 3935 return (error); 3936 } 3937 3938 /* 3939 * When a command times out, it is placed on the requeust_timeout_list 3940 * and we wake our recovery thread. The MPT-Fusion architecture supports 3941 * only a single TMF operation at a time, so we serially abort/bdr, etc, 3942 * the timedout transactions. The next TMF is issued either by the 3943 * completion handler of the current TMF waking our recovery thread, 3944 * or the TMF timeout handler causing a hard reset sequence. 3945 */ 3946 static void 3947 mpt_recover_commands(struct mpt_softc *mpt) 3948 { 3949 request_t *req; 3950 union ccb *ccb; 3951 int error; 3952 3953 if (TAILQ_EMPTY(&mpt->request_timeout_list) != 0) { 3954 /* 3955 * No work to do- leave. 3956 */ 3957 mpt_prt(mpt, "mpt_recover_commands: no requests.\n"); 3958 return; 3959 } 3960 3961 /* 3962 * Flush any commands whose completion coincides with their timeout. 3963 */ 3964 mpt_intr(mpt); 3965 3966 if (TAILQ_EMPTY(&mpt->request_timeout_list) != 0) { 3967 /* 3968 * The timedout commands have already 3969 * completed. This typically means 3970 * that either the timeout value was on 3971 * the hairy edge of what the device 3972 * requires or - more likely - interrupts 3973 * are not happening. 3974 */ 3975 mpt_prt(mpt, "Timedout requests already complete. " 3976 "Interrupts may not be functioning.\n"); 3977 mpt_enable_ints(mpt); 3978 return; 3979 } 3980 3981 /* 3982 * We have no visibility into the current state of the 3983 * controller, so attempt to abort the commands in the 3984 * order they timed-out. For initiator commands, we 3985 * depend on the reply handler pulling requests off 3986 * the timeout list. 3987 */ 3988 while ((req = TAILQ_FIRST(&mpt->request_timeout_list)) != NULL) { 3989 uint16_t status; 3990 uint8_t response; 3991 MSG_REQUEST_HEADER *hdrp = req->req_vbuf; 3992 3993 mpt_prt(mpt, "attempting to abort req %p:%u function %x\n", 3994 req, req->serno, hdrp->Function); 3995 ccb = req->ccb; 3996 if (ccb == NULL) { 3997 mpt_prt(mpt, "null ccb in timed out request. " 3998 "Resetting Controller.\n"); 3999 mpt_reset(mpt, TRUE); 4000 continue; 4001 } 4002 mpt_set_ccb_status(ccb, CAM_CMD_TIMEOUT); 4003 4004 /* 4005 * Check to see if this is not an initiator command and 4006 * deal with it differently if it is. 4007 */ 4008 switch (hdrp->Function) { 4009 case MPI_FUNCTION_SCSI_IO_REQUEST: 4010 case MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH: 4011 break; 4012 default: 4013 /* 4014 * XXX: FIX ME: need to abort target assists... 4015 */ 4016 mpt_prt(mpt, "just putting it back on the pend q\n"); 4017 TAILQ_REMOVE(&mpt->request_timeout_list, req, links); 4018 TAILQ_INSERT_HEAD(&mpt->request_pending_list, req, 4019 links); 4020 continue; 4021 } 4022 4023 error = mpt_scsi_send_tmf(mpt, 4024 MPI_SCSITASKMGMT_TASKTYPE_ABORT_TASK, 4025 0, 0, ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 4026 htole32(req->index | scsi_io_handler_id), TRUE); 4027 4028 if (error != 0) { 4029 /* 4030 * mpt_scsi_send_tmf hard resets on failure, so no 4031 * need to do so here. Our queue should be emptied 4032 * by the hard reset. 4033 */ 4034 continue; 4035 } 4036 4037 error = mpt_wait_req(mpt, mpt->tmf_req, REQ_STATE_DONE, 4038 REQ_STATE_DONE, TRUE, 500); 4039 4040 status = le16toh(mpt->tmf_req->IOCStatus); 4041 response = mpt->tmf_req->ResponseCode; 4042 mpt->tmf_req->state = REQ_STATE_FREE; 4043 4044 if (error != 0) { 4045 /* 4046 * If we've errored out,, reset the controller. 4047 */ 4048 mpt_prt(mpt, "mpt_recover_commands: abort timed-out. " 4049 "Resetting controller\n"); 4050 mpt_reset(mpt, TRUE); 4051 continue; 4052 } 4053 4054 if ((status & MPI_IOCSTATUS_MASK) != MPI_IOCSTATUS_SUCCESS) { 4055 mpt_prt(mpt, "mpt_recover_commands: IOC Status 0x%x. " 4056 "Resetting controller.\n", status); 4057 mpt_reset(mpt, TRUE); 4058 continue; 4059 } 4060 4061 if (response != MPI_SCSITASKMGMT_RSP_TM_SUCCEEDED && 4062 response != MPI_SCSITASKMGMT_RSP_TM_COMPLETE) { 4063 mpt_prt(mpt, "mpt_recover_commands: TMF Response 0x%x. " 4064 "Resetting controller.\n", response); 4065 mpt_reset(mpt, TRUE); 4066 continue; 4067 } 4068 mpt_prt(mpt, "abort of req %p:%u completed\n", req, req->serno); 4069 } 4070 } 4071 4072 /************************ Target Mode Support ****************************/ 4073 static void 4074 mpt_fc_post_els(struct mpt_softc *mpt, request_t *req, int ioindex) 4075 { 4076 MSG_LINK_SERVICE_BUFFER_POST_REQUEST *fc; 4077 PTR_SGE_TRANSACTION32 tep; 4078 PTR_SGE_SIMPLE32 se; 4079 bus_addr_t paddr; 4080 uint32_t fl; 4081 4082 paddr = req->req_pbuf; 4083 paddr += MPT_RQSL(mpt); 4084 4085 fc = req->req_vbuf; 4086 memset(fc, 0, MPT_REQUEST_AREA); 4087 fc->BufferCount = 1; 4088 fc->Function = MPI_FUNCTION_FC_LINK_SRVC_BUF_POST; 4089 fc->MsgContext = htole32(req->index | fc_els_handler_id); 4090 4091 /* 4092 * Okay, set up ELS buffer pointers. ELS buffer pointers 4093 * consist of a TE SGL element (with details length of zero) 4094 * followed by a SIMPLE SGL element which holds the address 4095 * of the buffer. 4096 */ 4097 4098 tep = (PTR_SGE_TRANSACTION32) &fc->SGL; 4099 4100 tep->ContextSize = 4; 4101 tep->Flags = 0; 4102 tep->TransactionContext[0] = htole32(ioindex); 4103 4104 se = (PTR_SGE_SIMPLE32) &tep->TransactionDetails[0]; 4105 fl = 4106 MPI_SGE_FLAGS_HOST_TO_IOC | 4107 MPI_SGE_FLAGS_SIMPLE_ELEMENT | 4108 MPI_SGE_FLAGS_LAST_ELEMENT | 4109 MPI_SGE_FLAGS_END_OF_LIST | 4110 MPI_SGE_FLAGS_END_OF_BUFFER; 4111 fl <<= MPI_SGE_FLAGS_SHIFT; 4112 fl |= (MPT_NRFM(mpt) - MPT_RQSL(mpt)); 4113 se->FlagsLength = htole32(fl); 4114 se->Address = htole32((uint32_t) paddr); 4115 mpt_lprt(mpt, MPT_PRT_DEBUG, 4116 "add ELS index %d ioindex %d for %p:%u\n", 4117 req->index, ioindex, req, req->serno); 4118 KASSERT(((req->state & REQ_STATE_LOCKED) != 0), 4119 ("mpt_fc_post_els: request not locked")); 4120 mpt_send_cmd(mpt, req); 4121 } 4122 4123 static void 4124 mpt_post_target_command(struct mpt_softc *mpt, request_t *req, int ioindex) 4125 { 4126 PTR_MSG_TARGET_CMD_BUFFER_POST_REQUEST fc; 4127 PTR_CMD_BUFFER_DESCRIPTOR cb; 4128 bus_addr_t paddr; 4129 4130 paddr = req->req_pbuf; 4131 paddr += MPT_RQSL(mpt); 4132 memset(req->req_vbuf, 0, MPT_REQUEST_AREA); 4133 MPT_TGT_STATE(mpt, req)->state = TGT_STATE_LOADING; 4134 4135 fc = req->req_vbuf; 4136 fc->BufferCount = 1; 4137 fc->Function = MPI_FUNCTION_TARGET_CMD_BUFFER_POST; 4138 fc->BufferLength = MIN(MPT_REQUEST_AREA - MPT_RQSL(mpt), UINT8_MAX); 4139 fc->MsgContext = htole32(req->index | mpt->scsi_tgt_handler_id); 4140 4141 cb = &fc->Buffer[0]; 4142 cb->IoIndex = htole16(ioindex); 4143 cb->u.PhysicalAddress32 = htole32((U32) paddr); 4144 4145 mpt_check_doorbell(mpt); 4146 mpt_send_cmd(mpt, req); 4147 } 4148 4149 static int 4150 mpt_add_els_buffers(struct mpt_softc *mpt) 4151 { 4152 int i; 4153 4154 if (mpt->is_fc == 0) { 4155 return (TRUE); 4156 } 4157 4158 if (mpt->els_cmds_allocated) { 4159 return (TRUE); 4160 } 4161 4162 mpt->els_cmd_ptrs = malloc(MPT_MAX_ELS * sizeof (request_t *), 4163 M_DEVBUF, M_NOWAIT | M_ZERO); 4164 4165 if (mpt->els_cmd_ptrs == NULL) { 4166 return (FALSE); 4167 } 4168 4169 /* 4170 * Feed the chip some ELS buffer resources 4171 */ 4172 for (i = 0; i < MPT_MAX_ELS; i++) { 4173 request_t *req = mpt_get_request(mpt, FALSE); 4174 if (req == NULL) { 4175 break; 4176 } 4177 req->state |= REQ_STATE_LOCKED; 4178 mpt->els_cmd_ptrs[i] = req; 4179 mpt_fc_post_els(mpt, req, i); 4180 } 4181 4182 if (i == 0) { 4183 mpt_prt(mpt, "unable to add ELS buffer resources\n"); 4184 free(mpt->els_cmd_ptrs, M_DEVBUF); 4185 mpt->els_cmd_ptrs = NULL; 4186 return (FALSE); 4187 } 4188 if (i != MPT_MAX_ELS) { 4189 mpt_lprt(mpt, MPT_PRT_INFO, 4190 "only added %d of %d ELS buffers\n", i, MPT_MAX_ELS); 4191 } 4192 mpt->els_cmds_allocated = i; 4193 return(TRUE); 4194 } 4195 4196 static int 4197 mpt_add_target_commands(struct mpt_softc *mpt) 4198 { 4199 int i, max; 4200 4201 if (mpt->tgt_cmd_ptrs) { 4202 return (TRUE); 4203 } 4204 4205 max = MPT_MAX_REQUESTS(mpt) >> 1; 4206 if (max > mpt->mpt_max_tgtcmds) { 4207 max = mpt->mpt_max_tgtcmds; 4208 } 4209 mpt->tgt_cmd_ptrs = 4210 malloc(max * sizeof (request_t *), M_DEVBUF, M_NOWAIT | M_ZERO); 4211 if (mpt->tgt_cmd_ptrs == NULL) { 4212 mpt_prt(mpt, 4213 "mpt_add_target_commands: could not allocate cmd ptrs\n"); 4214 return (FALSE); 4215 } 4216 4217 for (i = 0; i < max; i++) { 4218 request_t *req; 4219 4220 req = mpt_get_request(mpt, FALSE); 4221 if (req == NULL) { 4222 break; 4223 } 4224 req->state |= REQ_STATE_LOCKED; 4225 mpt->tgt_cmd_ptrs[i] = req; 4226 mpt_post_target_command(mpt, req, i); 4227 } 4228 4229 if (i == 0) { 4230 mpt_lprt(mpt, MPT_PRT_ERROR, "could not add any target bufs\n"); 4231 free(mpt->tgt_cmd_ptrs, M_DEVBUF); 4232 mpt->tgt_cmd_ptrs = NULL; 4233 return (FALSE); 4234 } 4235 4236 mpt->tgt_cmds_allocated = i; 4237 4238 if (i < max) { 4239 mpt_lprt(mpt, MPT_PRT_INFO, 4240 "added %d of %d target bufs\n", i, max); 4241 } 4242 return (i); 4243 } 4244 4245 static int 4246 mpt_enable_lun(struct mpt_softc *mpt, target_id_t tgt, lun_id_t lun) 4247 { 4248 4249 if (tgt == CAM_TARGET_WILDCARD && lun == CAM_LUN_WILDCARD) { 4250 mpt->twildcard = 1; 4251 } else if (lun >= MPT_MAX_LUNS) { 4252 return (EINVAL); 4253 } else if (tgt != CAM_TARGET_WILDCARD && tgt != 0) { 4254 return (EINVAL); 4255 } 4256 if (mpt->tenabled == 0) { 4257 if (mpt->is_fc) { 4258 (void) mpt_fc_reset_link(mpt, 0); 4259 } 4260 mpt->tenabled = 1; 4261 } 4262 if (lun == CAM_LUN_WILDCARD) { 4263 mpt->trt_wildcard.enabled = 1; 4264 } else { 4265 mpt->trt[lun].enabled = 1; 4266 } 4267 return (0); 4268 } 4269 4270 static int 4271 mpt_disable_lun(struct mpt_softc *mpt, target_id_t tgt, lun_id_t lun) 4272 { 4273 int i; 4274 4275 if (tgt == CAM_TARGET_WILDCARD && lun == CAM_LUN_WILDCARD) { 4276 mpt->twildcard = 0; 4277 } else if (lun >= MPT_MAX_LUNS) { 4278 return (EINVAL); 4279 } else if (tgt != CAM_TARGET_WILDCARD && tgt != 0) { 4280 return (EINVAL); 4281 } 4282 if (lun == CAM_LUN_WILDCARD) { 4283 mpt->trt_wildcard.enabled = 0; 4284 } else { 4285 mpt->trt[lun].enabled = 0; 4286 } 4287 for (i = 0; i < MPT_MAX_LUNS; i++) { 4288 if (mpt->trt[i].enabled) { 4289 break; 4290 } 4291 } 4292 if (i == MPT_MAX_LUNS && mpt->twildcard == 0) { 4293 if (mpt->is_fc) { 4294 (void) mpt_fc_reset_link(mpt, 0); 4295 } 4296 mpt->tenabled = 0; 4297 } 4298 return (0); 4299 } 4300 4301 /* 4302 * Called with MPT lock held 4303 */ 4304 static void 4305 mpt_target_start_io(struct mpt_softc *mpt, union ccb *ccb) 4306 { 4307 struct ccb_scsiio *csio = &ccb->csio; 4308 request_t *cmd_req = MPT_TAG_2_REQ(mpt, csio->tag_id); 4309 mpt_tgt_state_t *tgt = MPT_TGT_STATE(mpt, cmd_req); 4310 4311 switch (tgt->state) { 4312 case TGT_STATE_IN_CAM: 4313 break; 4314 case TGT_STATE_MOVING_DATA: 4315 mpt_set_ccb_status(ccb, CAM_REQUEUE_REQ); 4316 xpt_freeze_simq(mpt->sim, 1); 4317 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 4318 tgt->ccb->ccb_h.status |= CAM_RELEASE_SIMQ; 4319 xpt_done(ccb); 4320 return; 4321 default: 4322 mpt_prt(mpt, "ccb %p flags 0x%x tag 0x%08x had bad request " 4323 "starting I/O\n", ccb, csio->ccb_h.flags, csio->tag_id); 4324 mpt_tgt_dump_req_state(mpt, cmd_req); 4325 mpt_set_ccb_status(ccb, CAM_REQ_CMP_ERR); 4326 xpt_done(ccb); 4327 return; 4328 } 4329 4330 if (csio->dxfer_len) { 4331 bus_dmamap_callback_t *cb; 4332 PTR_MSG_TARGET_ASSIST_REQUEST ta; 4333 request_t *req; 4334 int error; 4335 4336 KASSERT((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE, 4337 ("dxfer_len %u but direction is NONE", csio->dxfer_len)); 4338 4339 if ((req = mpt_get_request(mpt, FALSE)) == NULL) { 4340 if (mpt->outofbeer == 0) { 4341 mpt->outofbeer = 1; 4342 xpt_freeze_simq(mpt->sim, 1); 4343 mpt_lprt(mpt, MPT_PRT_DEBUG, "FREEZEQ\n"); 4344 } 4345 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 4346 mpt_set_ccb_status(ccb, CAM_REQUEUE_REQ); 4347 xpt_done(ccb); 4348 return; 4349 } 4350 ccb->ccb_h.status = CAM_SIM_QUEUED | CAM_REQ_INPROG; 4351 if (sizeof (bus_addr_t) > 4) { 4352 cb = mpt_execute_req_a64; 4353 } else { 4354 cb = mpt_execute_req; 4355 } 4356 4357 req->ccb = ccb; 4358 ccb->ccb_h.ccb_req_ptr = req; 4359 4360 /* 4361 * Record the currently active ccb and the 4362 * request for it in our target state area. 4363 */ 4364 tgt->ccb = ccb; 4365 tgt->req = req; 4366 4367 memset(req->req_vbuf, 0, MPT_RQSL(mpt)); 4368 ta = req->req_vbuf; 4369 4370 if (mpt->is_sas) { 4371 PTR_MPI_TARGET_SSP_CMD_BUFFER ssp = 4372 cmd_req->req_vbuf; 4373 ta->QueueTag = ssp->InitiatorTag; 4374 } else if (mpt->is_spi) { 4375 PTR_MPI_TARGET_SCSI_SPI_CMD_BUFFER sp = 4376 cmd_req->req_vbuf; 4377 ta->QueueTag = sp->Tag; 4378 } 4379 ta->Function = MPI_FUNCTION_TARGET_ASSIST; 4380 ta->MsgContext = htole32(req->index | mpt->scsi_tgt_handler_id); 4381 ta->ReplyWord = htole32(tgt->reply_desc); 4382 be64enc(ta->LUN, CAM_EXTLUN_BYTE_SWIZZLE(csio->ccb_h.target_lun)); 4383 4384 ta->RelativeOffset = tgt->bytes_xfered; 4385 ta->DataLength = ccb->csio.dxfer_len; 4386 if (ta->DataLength > tgt->resid) { 4387 ta->DataLength = tgt->resid; 4388 } 4389 4390 /* 4391 * XXX Should be done after data transfer completes? 4392 */ 4393 csio->resid = csio->dxfer_len - ta->DataLength; 4394 tgt->resid -= csio->dxfer_len; 4395 tgt->bytes_xfered += csio->dxfer_len; 4396 4397 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 4398 ta->TargetAssistFlags |= 4399 TARGET_ASSIST_FLAGS_DATA_DIRECTION; 4400 } 4401 4402 #ifdef WE_TRUST_AUTO_GOOD_STATUS 4403 if ((ccb->ccb_h.flags & CAM_SEND_STATUS) && 4404 csio->scsi_status == SCSI_STATUS_OK && tgt->resid == 0) { 4405 ta->TargetAssistFlags |= 4406 TARGET_ASSIST_FLAGS_AUTO_STATUS; 4407 } 4408 #endif 4409 tgt->state = TGT_STATE_SETTING_UP_FOR_DATA; 4410 4411 mpt_lprt(mpt, MPT_PRT_DEBUG, 4412 "DATA_CCB %p tag %x %u bytes %u resid flg %x req %p:%u " 4413 "nxtstate=%d\n", csio, csio->tag_id, csio->dxfer_len, 4414 tgt->resid, ccb->ccb_h.flags, req, req->serno, tgt->state); 4415 4416 error = bus_dmamap_load_ccb(mpt->buffer_dmat, req->dmap, ccb, 4417 cb, req, 0); 4418 if (error == EINPROGRESS) { 4419 xpt_freeze_simq(mpt->sim, 1); 4420 ccb->ccb_h.status |= CAM_RELEASE_SIMQ; 4421 } 4422 } else { 4423 /* 4424 * XXX: I don't know why this seems to happen, but 4425 * XXX: completing the CCB seems to make things happy. 4426 * XXX: This seems to happen if the initiator requests 4427 * XXX: enough data that we have to do multiple CTIOs. 4428 */ 4429 if ((ccb->ccb_h.flags & CAM_SEND_STATUS) == 0) { 4430 mpt_lprt(mpt, MPT_PRT_DEBUG, 4431 "Meaningless STATUS CCB (%p): flags %x status %x " 4432 "resid %d bytes_xfered %u\n", ccb, ccb->ccb_h.flags, 4433 ccb->ccb_h.status, tgt->resid, tgt->bytes_xfered); 4434 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 4435 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 4436 xpt_done(ccb); 4437 return; 4438 } 4439 mpt_scsi_tgt_status(mpt, ccb, cmd_req, csio->scsi_status, 4440 (void *)&csio->sense_data, 4441 (ccb->ccb_h.flags & CAM_SEND_SENSE) ? 4442 csio->sense_len : 0); 4443 } 4444 } 4445 4446 static void 4447 mpt_scsi_tgt_local(struct mpt_softc *mpt, request_t *cmd_req, 4448 lun_id_t lun, int send, uint8_t *data, size_t length) 4449 { 4450 mpt_tgt_state_t *tgt; 4451 PTR_MSG_TARGET_ASSIST_REQUEST ta; 4452 SGE_SIMPLE32 *se; 4453 uint32_t flags; 4454 uint8_t *dptr; 4455 bus_addr_t pptr; 4456 request_t *req; 4457 4458 /* 4459 * We enter with resid set to the data load for the command. 4460 */ 4461 tgt = MPT_TGT_STATE(mpt, cmd_req); 4462 if (length == 0 || tgt->resid == 0) { 4463 tgt->resid = 0; 4464 mpt_scsi_tgt_status(mpt, NULL, cmd_req, 0, NULL, 0); 4465 return; 4466 } 4467 4468 if ((req = mpt_get_request(mpt, FALSE)) == NULL) { 4469 mpt_prt(mpt, "out of resources- dropping local response\n"); 4470 return; 4471 } 4472 tgt->is_local = 1; 4473 4474 memset(req->req_vbuf, 0, MPT_RQSL(mpt)); 4475 ta = req->req_vbuf; 4476 4477 if (mpt->is_sas) { 4478 PTR_MPI_TARGET_SSP_CMD_BUFFER ssp = cmd_req->req_vbuf; 4479 ta->QueueTag = ssp->InitiatorTag; 4480 } else if (mpt->is_spi) { 4481 PTR_MPI_TARGET_SCSI_SPI_CMD_BUFFER sp = cmd_req->req_vbuf; 4482 ta->QueueTag = sp->Tag; 4483 } 4484 ta->Function = MPI_FUNCTION_TARGET_ASSIST; 4485 ta->MsgContext = htole32(req->index | mpt->scsi_tgt_handler_id); 4486 ta->ReplyWord = htole32(tgt->reply_desc); 4487 be64enc(ta->LUN, CAM_EXTLUN_BYTE_SWIZZLE(lun)); 4488 ta->RelativeOffset = 0; 4489 ta->DataLength = length; 4490 4491 dptr = req->req_vbuf; 4492 dptr += MPT_RQSL(mpt); 4493 pptr = req->req_pbuf; 4494 pptr += MPT_RQSL(mpt); 4495 memcpy(dptr, data, min(length, MPT_RQSL(mpt))); 4496 4497 se = (SGE_SIMPLE32 *) &ta->SGL[0]; 4498 memset(se, 0,sizeof (*se)); 4499 4500 flags = MPI_SGE_FLAGS_SIMPLE_ELEMENT; 4501 if (send) { 4502 ta->TargetAssistFlags |= TARGET_ASSIST_FLAGS_DATA_DIRECTION; 4503 flags |= MPI_SGE_FLAGS_HOST_TO_IOC; 4504 } 4505 se->Address = pptr; 4506 MPI_pSGE_SET_LENGTH(se, length); 4507 flags |= MPI_SGE_FLAGS_LAST_ELEMENT; 4508 flags |= MPI_SGE_FLAGS_END_OF_LIST | MPI_SGE_FLAGS_END_OF_BUFFER; 4509 MPI_pSGE_SET_FLAGS(se, flags); 4510 4511 tgt->ccb = NULL; 4512 tgt->req = req; 4513 tgt->resid -= length; 4514 tgt->bytes_xfered = length; 4515 #ifdef WE_TRUST_AUTO_GOOD_STATUS 4516 tgt->state = TGT_STATE_MOVING_DATA_AND_STATUS; 4517 #else 4518 tgt->state = TGT_STATE_MOVING_DATA; 4519 #endif 4520 mpt_send_cmd(mpt, req); 4521 } 4522 4523 /* 4524 * Abort queued up CCBs 4525 */ 4526 static cam_status 4527 mpt_abort_target_ccb(struct mpt_softc *mpt, union ccb *ccb) 4528 { 4529 struct mpt_hdr_stailq *lp; 4530 struct ccb_hdr *srch; 4531 union ccb *accb = ccb->cab.abort_ccb; 4532 tgt_resource_t *trtp; 4533 mpt_tgt_state_t *tgt; 4534 request_t *req; 4535 uint32_t tag; 4536 4537 mpt_lprt(mpt, MPT_PRT_DEBUG, "aborting ccb %p\n", accb); 4538 if (ccb->ccb_h.target_lun == CAM_LUN_WILDCARD) 4539 trtp = &mpt->trt_wildcard; 4540 else 4541 trtp = &mpt->trt[ccb->ccb_h.target_lun]; 4542 if (accb->ccb_h.func_code == XPT_ACCEPT_TARGET_IO) { 4543 lp = &trtp->atios; 4544 tag = accb->atio.tag_id; 4545 } else { 4546 lp = &trtp->inots; 4547 tag = accb->cin1.tag_id; 4548 } 4549 4550 /* Search the CCB among queued. */ 4551 STAILQ_FOREACH(srch, lp, sim_links.stqe) { 4552 if (srch != &accb->ccb_h) 4553 continue; 4554 STAILQ_REMOVE(lp, srch, ccb_hdr, sim_links.stqe); 4555 accb->ccb_h.status = CAM_REQ_ABORTED; 4556 xpt_done(accb); 4557 return (CAM_REQ_CMP); 4558 } 4559 4560 /* Search the CCB among running. */ 4561 req = MPT_TAG_2_REQ(mpt, tag); 4562 tgt = MPT_TGT_STATE(mpt, req); 4563 if (tgt->tag_id == tag) { 4564 mpt_abort_target_cmd(mpt, req); 4565 return (CAM_REQ_CMP); 4566 } 4567 4568 return (CAM_UA_ABORT); 4569 } 4570 4571 /* 4572 * Ask the MPT to abort the current target command 4573 */ 4574 static int 4575 mpt_abort_target_cmd(struct mpt_softc *mpt, request_t *cmd_req) 4576 { 4577 int error; 4578 request_t *req; 4579 PTR_MSG_TARGET_MODE_ABORT abtp; 4580 4581 req = mpt_get_request(mpt, FALSE); 4582 if (req == NULL) { 4583 return (-1); 4584 } 4585 abtp = req->req_vbuf; 4586 memset(abtp, 0, sizeof (*abtp)); 4587 4588 abtp->MsgContext = htole32(req->index | mpt->scsi_tgt_handler_id); 4589 abtp->AbortType = TARGET_MODE_ABORT_TYPE_EXACT_IO; 4590 abtp->Function = MPI_FUNCTION_TARGET_MODE_ABORT; 4591 abtp->ReplyWord = htole32(MPT_TGT_STATE(mpt, cmd_req)->reply_desc); 4592 error = 0; 4593 if (mpt->is_fc || mpt->is_sas) { 4594 mpt_send_cmd(mpt, req); 4595 } else { 4596 error = mpt_send_handshake_cmd(mpt, sizeof(*req), req); 4597 } 4598 return (error); 4599 } 4600 4601 /* 4602 * WE_TRUST_AUTO_GOOD_STATUS- I've found that setting 4603 * TARGET_STATUS_SEND_FLAGS_AUTO_GOOD_STATUS leads the 4604 * FC929 to set bogus FC_RSP fields (nonzero residuals 4605 * but w/o RESID fields set). This causes QLogic initiators 4606 * to think maybe that a frame was lost. 4607 * 4608 * WE_CAN_USE_AUTO_REPOST- we can't use AUTO_REPOST because 4609 * we use allocated requests to do TARGET_ASSIST and we 4610 * need to know when to release them. 4611 */ 4612 4613 static void 4614 mpt_scsi_tgt_status(struct mpt_softc *mpt, union ccb *ccb, request_t *cmd_req, 4615 uint8_t status, uint8_t const *sense_data, u_int sense_len) 4616 { 4617 uint8_t *cmd_vbuf; 4618 mpt_tgt_state_t *tgt; 4619 PTR_MSG_TARGET_STATUS_SEND_REQUEST tp; 4620 request_t *req; 4621 bus_addr_t paddr; 4622 int resplen = 0; 4623 uint32_t fl; 4624 4625 cmd_vbuf = cmd_req->req_vbuf; 4626 cmd_vbuf += MPT_RQSL(mpt); 4627 tgt = MPT_TGT_STATE(mpt, cmd_req); 4628 4629 if ((req = mpt_get_request(mpt, FALSE)) == NULL) { 4630 if (mpt->outofbeer == 0) { 4631 mpt->outofbeer = 1; 4632 xpt_freeze_simq(mpt->sim, 1); 4633 mpt_lprt(mpt, MPT_PRT_DEBUG, "FREEZEQ\n"); 4634 } 4635 if (ccb) { 4636 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 4637 mpt_set_ccb_status(ccb, CAM_REQUEUE_REQ); 4638 xpt_done(ccb); 4639 } else { 4640 mpt_prt(mpt, 4641 "could not allocate status request- dropping\n"); 4642 } 4643 return; 4644 } 4645 req->ccb = ccb; 4646 if (ccb) { 4647 ccb->ccb_h.ccb_mpt_ptr = mpt; 4648 ccb->ccb_h.ccb_req_ptr = req; 4649 } 4650 4651 /* 4652 * Record the currently active ccb, if any, and the 4653 * request for it in our target state area. 4654 */ 4655 tgt->ccb = ccb; 4656 tgt->req = req; 4657 tgt->state = TGT_STATE_SENDING_STATUS; 4658 4659 tp = req->req_vbuf; 4660 paddr = req->req_pbuf; 4661 paddr += MPT_RQSL(mpt); 4662 4663 memset(tp, 0, sizeof (*tp)); 4664 tp->StatusCode = status; 4665 tp->Function = MPI_FUNCTION_TARGET_STATUS_SEND; 4666 if (mpt->is_fc) { 4667 PTR_MPI_TARGET_FCP_CMD_BUFFER fc = 4668 (PTR_MPI_TARGET_FCP_CMD_BUFFER) cmd_vbuf; 4669 uint8_t *sts_vbuf; 4670 uint32_t *rsp; 4671 4672 sts_vbuf = req->req_vbuf; 4673 sts_vbuf += MPT_RQSL(mpt); 4674 rsp = (uint32_t *) sts_vbuf; 4675 memcpy(tp->LUN, fc->FcpLun, sizeof (tp->LUN)); 4676 4677 /* 4678 * The MPI_TARGET_FCP_RSP_BUFFER define is unfortunate. 4679 * It has to be big-endian in memory and is organized 4680 * in 32 bit words, which are much easier to deal with 4681 * as words which are swizzled as needed. 4682 * 4683 * All we're filling here is the FC_RSP payload. 4684 * We may just have the chip synthesize it if 4685 * we have no residual and an OK status. 4686 * 4687 */ 4688 memset(rsp, 0, sizeof (MPI_TARGET_FCP_RSP_BUFFER)); 4689 4690 rsp[2] = htobe32(status); 4691 #define MIN_FCP_RESPONSE_SIZE 24 4692 #ifndef WE_TRUST_AUTO_GOOD_STATUS 4693 resplen = MIN_FCP_RESPONSE_SIZE; 4694 #endif 4695 if (tgt->resid < 0) { 4696 rsp[2] |= htobe32(0x400); /* XXXX NEED MNEMONIC!!!! */ 4697 rsp[3] = htobe32(-tgt->resid); 4698 resplen = MIN_FCP_RESPONSE_SIZE; 4699 } else if (tgt->resid > 0) { 4700 rsp[2] |= htobe32(0x800); /* XXXX NEED MNEMONIC!!!! */ 4701 rsp[3] = htobe32(tgt->resid); 4702 resplen = MIN_FCP_RESPONSE_SIZE; 4703 } 4704 if (sense_len > 0) { 4705 rsp[2] |= htobe32(0x200); /* XXXX NEED MNEMONIC!!!! */ 4706 rsp[4] = htobe32(sense_len); 4707 memcpy(&rsp[6], sense_data, sense_len); 4708 resplen = MIN_FCP_RESPONSE_SIZE + sense_len; 4709 } 4710 } else if (mpt->is_sas) { 4711 PTR_MPI_TARGET_SSP_CMD_BUFFER ssp = 4712 (PTR_MPI_TARGET_SSP_CMD_BUFFER) cmd_vbuf; 4713 memcpy(tp->LUN, ssp->LogicalUnitNumber, sizeof (tp->LUN)); 4714 } else { 4715 PTR_MPI_TARGET_SCSI_SPI_CMD_BUFFER sp = 4716 (PTR_MPI_TARGET_SCSI_SPI_CMD_BUFFER) cmd_vbuf; 4717 tp->QueueTag = htole16(sp->Tag); 4718 memcpy(tp->LUN, sp->LogicalUnitNumber, sizeof (tp->LUN)); 4719 } 4720 4721 tp->ReplyWord = htole32(tgt->reply_desc); 4722 tp->MsgContext = htole32(req->index | mpt->scsi_tgt_handler_id); 4723 4724 #ifdef WE_CAN_USE_AUTO_REPOST 4725 tp->MsgFlags = TARGET_STATUS_SEND_FLAGS_REPOST_CMD_BUFFER; 4726 #endif 4727 if (status == SCSI_STATUS_OK && resplen == 0) { 4728 tp->MsgFlags |= TARGET_STATUS_SEND_FLAGS_AUTO_GOOD_STATUS; 4729 } else { 4730 tp->StatusDataSGE.u.Address32 = htole32((uint32_t) paddr); 4731 fl = MPI_SGE_FLAGS_HOST_TO_IOC | 4732 MPI_SGE_FLAGS_SIMPLE_ELEMENT | 4733 MPI_SGE_FLAGS_LAST_ELEMENT | 4734 MPI_SGE_FLAGS_END_OF_LIST | 4735 MPI_SGE_FLAGS_END_OF_BUFFER; 4736 fl <<= MPI_SGE_FLAGS_SHIFT; 4737 fl |= resplen; 4738 tp->StatusDataSGE.FlagsLength = htole32(fl); 4739 } 4740 4741 mpt_lprt(mpt, MPT_PRT_DEBUG, 4742 "STATUS_CCB %p (with%s sense) tag %x req %p:%u resid %u\n", 4743 ccb, sense_len > 0 ? "" : "out", tgt->tag_id, 4744 req, req->serno, tgt->resid); 4745 if (mpt->verbose > MPT_PRT_DEBUG) 4746 mpt_print_request(req->req_vbuf); 4747 if (ccb) { 4748 ccb->ccb_h.status = CAM_SIM_QUEUED | CAM_REQ_INPROG; 4749 mpt_req_timeout(req, SBT_1S * 60, mpt_timeout, ccb); 4750 } 4751 mpt_send_cmd(mpt, req); 4752 } 4753 4754 static void 4755 mpt_scsi_tgt_tsk_mgmt(struct mpt_softc *mpt, request_t *req, mpt_task_mgmt_t fc, 4756 tgt_resource_t *trtp, int init_id) 4757 { 4758 struct ccb_immediate_notify *inot; 4759 mpt_tgt_state_t *tgt; 4760 4761 tgt = MPT_TGT_STATE(mpt, req); 4762 inot = (struct ccb_immediate_notify *) STAILQ_FIRST(&trtp->inots); 4763 if (inot == NULL) { 4764 mpt_lprt(mpt, MPT_PRT_WARN, "no INOTSs- sending back BSY\n"); 4765 mpt_scsi_tgt_status(mpt, NULL, req, SCSI_STATUS_BUSY, NULL, 0); 4766 return; 4767 } 4768 STAILQ_REMOVE_HEAD(&trtp->inots, sim_links.stqe); 4769 mpt_lprt(mpt, MPT_PRT_DEBUG1, 4770 "Get FREE INOT %p lun %jx\n", inot, 4771 (uintmax_t)inot->ccb_h.target_lun); 4772 4773 inot->initiator_id = init_id; /* XXX */ 4774 inot->tag_id = tgt->tag_id; 4775 inot->seq_id = 0; 4776 /* 4777 * This is a somewhat grotesque attempt to map from task management 4778 * to old style SCSI messages. God help us all. 4779 */ 4780 switch (fc) { 4781 case MPT_QUERY_TASK_SET: 4782 inot->arg = MSG_QUERY_TASK_SET; 4783 break; 4784 case MPT_ABORT_TASK_SET: 4785 inot->arg = MSG_ABORT_TASK_SET; 4786 break; 4787 case MPT_CLEAR_TASK_SET: 4788 inot->arg = MSG_CLEAR_TASK_SET; 4789 break; 4790 case MPT_QUERY_ASYNC_EVENT: 4791 inot->arg = MSG_QUERY_ASYNC_EVENT; 4792 break; 4793 case MPT_LOGICAL_UNIT_RESET: 4794 inot->arg = MSG_LOGICAL_UNIT_RESET; 4795 break; 4796 case MPT_TARGET_RESET: 4797 inot->arg = MSG_TARGET_RESET; 4798 break; 4799 case MPT_CLEAR_ACA: 4800 inot->arg = MSG_CLEAR_ACA; 4801 break; 4802 default: 4803 inot->arg = MSG_NOOP; 4804 break; 4805 } 4806 tgt->ccb = (union ccb *) inot; 4807 inot->ccb_h.status = CAM_MESSAGE_RECV; 4808 xpt_done((union ccb *)inot); 4809 } 4810 4811 static void 4812 mpt_scsi_tgt_atio(struct mpt_softc *mpt, request_t *req, uint32_t reply_desc) 4813 { 4814 static uint8_t null_iqd[SHORT_INQUIRY_LENGTH] = { 4815 0x7f, 0x00, 0x02, 0x02, 0x20, 0x00, 0x00, 0x32, 4816 'F', 'R', 'E', 'E', 'B', 'S', 'D', ' ', 4817 'L', 'S', 'I', '-', 'L', 'O', 'G', 'I', 4818 'C', ' ', 'N', 'U', 'L', 'D', 'E', 'V', 4819 '0', '0', '0', '1' 4820 }; 4821 struct ccb_accept_tio *atiop; 4822 lun_id_t lun; 4823 int tag_action = 0; 4824 mpt_tgt_state_t *tgt; 4825 tgt_resource_t *trtp = NULL; 4826 U8 *lunptr; 4827 U8 *vbuf; 4828 U16 ioindex; 4829 mpt_task_mgmt_t fct = MPT_NIL_TMT_VALUE; 4830 uint8_t *cdbp; 4831 4832 /* 4833 * Stash info for the current command where we can get at it later. 4834 */ 4835 vbuf = req->req_vbuf; 4836 vbuf += MPT_RQSL(mpt); 4837 if (mpt->verbose >= MPT_PRT_DEBUG) { 4838 mpt_dump_data(mpt, "mpt_scsi_tgt_atio response", vbuf, 4839 max(sizeof (MPI_TARGET_FCP_CMD_BUFFER), 4840 max(sizeof (MPI_TARGET_SSP_CMD_BUFFER), 4841 sizeof (MPI_TARGET_SCSI_SPI_CMD_BUFFER)))); 4842 } 4843 4844 /* 4845 * Get our state pointer set up. 4846 */ 4847 tgt = MPT_TGT_STATE(mpt, req); 4848 if (tgt->state != TGT_STATE_LOADED) { 4849 mpt_tgt_dump_req_state(mpt, req); 4850 panic("bad target state in mpt_scsi_tgt_atio"); 4851 } 4852 memset(tgt, 0, sizeof (mpt_tgt_state_t)); 4853 tgt->state = TGT_STATE_IN_CAM; 4854 tgt->reply_desc = reply_desc; 4855 ioindex = GET_IO_INDEX(reply_desc); 4856 4857 /* 4858 * The tag we construct here allows us to find the 4859 * original request that the command came in with. 4860 * 4861 * This way we don't have to depend on anything but the 4862 * tag to find things when CCBs show back up from CAM. 4863 */ 4864 tgt->tag_id = MPT_MAKE_TAGID(mpt, req, ioindex); 4865 4866 if (mpt->is_fc) { 4867 PTR_MPI_TARGET_FCP_CMD_BUFFER fc; 4868 fc = (PTR_MPI_TARGET_FCP_CMD_BUFFER) vbuf; 4869 if (fc->FcpCntl[2]) { 4870 /* 4871 * Task Management Request 4872 */ 4873 switch (fc->FcpCntl[2]) { 4874 case 0x1: 4875 fct = MPT_QUERY_TASK_SET; 4876 break; 4877 case 0x2: 4878 fct = MPT_ABORT_TASK_SET; 4879 break; 4880 case 0x4: 4881 fct = MPT_CLEAR_TASK_SET; 4882 break; 4883 case 0x8: 4884 fct = MPT_QUERY_ASYNC_EVENT; 4885 break; 4886 case 0x10: 4887 fct = MPT_LOGICAL_UNIT_RESET; 4888 break; 4889 case 0x20: 4890 fct = MPT_TARGET_RESET; 4891 break; 4892 case 0x40: 4893 fct = MPT_CLEAR_ACA; 4894 break; 4895 default: 4896 mpt_prt(mpt, "CORRUPTED TASK MGMT BITS: 0x%x\n", 4897 fc->FcpCntl[2]); 4898 mpt_scsi_tgt_status(mpt, NULL, req, 4899 SCSI_STATUS_OK, NULL, 0); 4900 return; 4901 } 4902 } else { 4903 switch (fc->FcpCntl[1]) { 4904 case 0: 4905 tag_action = MSG_SIMPLE_Q_TAG; 4906 break; 4907 case 1: 4908 tag_action = MSG_HEAD_OF_Q_TAG; 4909 break; 4910 case 2: 4911 tag_action = MSG_ORDERED_Q_TAG; 4912 break; 4913 default: 4914 /* 4915 * Bah. Ignore Untagged Queing and ACA 4916 */ 4917 tag_action = MSG_SIMPLE_Q_TAG; 4918 break; 4919 } 4920 } 4921 tgt->resid = be32toh(fc->FcpDl); 4922 cdbp = fc->FcpCdb; 4923 lunptr = fc->FcpLun; 4924 tgt->itag = fc->OptionalOxid; 4925 } else if (mpt->is_sas) { 4926 PTR_MPI_TARGET_SSP_CMD_BUFFER ssp; 4927 ssp = (PTR_MPI_TARGET_SSP_CMD_BUFFER) vbuf; 4928 cdbp = ssp->CDB; 4929 lunptr = ssp->LogicalUnitNumber; 4930 tgt->itag = ssp->InitiatorTag; 4931 } else { 4932 PTR_MPI_TARGET_SCSI_SPI_CMD_BUFFER sp; 4933 sp = (PTR_MPI_TARGET_SCSI_SPI_CMD_BUFFER) vbuf; 4934 cdbp = sp->CDB; 4935 lunptr = sp->LogicalUnitNumber; 4936 tgt->itag = sp->Tag; 4937 } 4938 4939 lun = CAM_EXTLUN_BYTE_SWIZZLE(be64dec(lunptr)); 4940 4941 /* 4942 * Deal with non-enabled or bad luns here. 4943 */ 4944 if (lun >= MPT_MAX_LUNS || mpt->tenabled == 0 || 4945 mpt->trt[lun].enabled == 0) { 4946 if (mpt->twildcard) { 4947 trtp = &mpt->trt_wildcard; 4948 } else if (fct == MPT_NIL_TMT_VALUE) { 4949 /* 4950 * In this case, we haven't got an upstream listener 4951 * for either a specific lun or wildcard luns. We 4952 * have to make some sensible response. For regular 4953 * inquiry, just return some NOT HERE inquiry data. 4954 * For VPD inquiry, report illegal field in cdb. 4955 * For REQUEST SENSE, just return NO SENSE data. 4956 * REPORT LUNS gets illegal command. 4957 * All other commands get 'no such device'. 4958 */ 4959 uint8_t sense[MPT_SENSE_SIZE]; 4960 size_t len; 4961 4962 memset(sense, 0, sizeof(sense)); 4963 sense[0] = 0xf0; 4964 sense[2] = 0x5; 4965 sense[7] = 0x8; 4966 4967 switch (cdbp[0]) { 4968 case INQUIRY: 4969 { 4970 if (cdbp[1] != 0) { 4971 sense[12] = 0x26; 4972 sense[13] = 0x01; 4973 break; 4974 } 4975 len = min(tgt->resid, cdbp[4]); 4976 len = min(len, sizeof (null_iqd)); 4977 mpt_lprt(mpt, MPT_PRT_DEBUG, 4978 "local inquiry %ld bytes\n", (long) len); 4979 mpt_scsi_tgt_local(mpt, req, lun, 1, 4980 null_iqd, len); 4981 return; 4982 } 4983 case REQUEST_SENSE: 4984 { 4985 sense[2] = 0x0; 4986 len = min(tgt->resid, cdbp[4]); 4987 len = min(len, sizeof (sense)); 4988 mpt_lprt(mpt, MPT_PRT_DEBUG, 4989 "local reqsense %ld bytes\n", (long) len); 4990 mpt_scsi_tgt_local(mpt, req, lun, 1, 4991 sense, len); 4992 return; 4993 } 4994 case REPORT_LUNS: 4995 mpt_lprt(mpt, MPT_PRT_DEBUG, "REPORT LUNS\n"); 4996 sense[12] = 0x26; 4997 return; 4998 default: 4999 mpt_lprt(mpt, MPT_PRT_DEBUG, 5000 "CMD 0x%x to unmanaged lun %jx\n", 5001 cdbp[0], (uintmax_t)lun); 5002 sense[12] = 0x25; 5003 break; 5004 } 5005 mpt_scsi_tgt_status(mpt, NULL, req, 5006 SCSI_STATUS_CHECK_COND, sense, sizeof(sense)); 5007 return; 5008 } 5009 /* otherwise, leave trtp NULL */ 5010 } else { 5011 trtp = &mpt->trt[lun]; 5012 } 5013 5014 /* 5015 * Deal with any task management 5016 */ 5017 if (fct != MPT_NIL_TMT_VALUE) { 5018 if (trtp == NULL) { 5019 mpt_prt(mpt, "task mgmt function %x but no listener\n", 5020 fct); 5021 mpt_scsi_tgt_status(mpt, NULL, req, 5022 SCSI_STATUS_OK, NULL, 0); 5023 } else { 5024 mpt_scsi_tgt_tsk_mgmt(mpt, req, fct, trtp, 5025 GET_INITIATOR_INDEX(reply_desc)); 5026 } 5027 return; 5028 } 5029 5030 atiop = (struct ccb_accept_tio *) STAILQ_FIRST(&trtp->atios); 5031 if (atiop == NULL) { 5032 mpt_lprt(mpt, MPT_PRT_WARN, 5033 "no ATIOs for lun %jx- sending back %s\n", (uintmax_t)lun, 5034 mpt->tenabled? "QUEUE FULL" : "BUSY"); 5035 mpt_scsi_tgt_status(mpt, NULL, req, 5036 mpt->tenabled? SCSI_STATUS_QUEUE_FULL : SCSI_STATUS_BUSY, 5037 NULL, 0); 5038 return; 5039 } 5040 STAILQ_REMOVE_HEAD(&trtp->atios, sim_links.stqe); 5041 mpt_lprt(mpt, MPT_PRT_DEBUG1, 5042 "Get FREE ATIO %p lun %jx\n", atiop, 5043 (uintmax_t)atiop->ccb_h.target_lun); 5044 atiop->ccb_h.ccb_mpt_ptr = mpt; 5045 atiop->ccb_h.status = CAM_CDB_RECVD; 5046 atiop->ccb_h.target_lun = lun; 5047 atiop->sense_len = 0; 5048 atiop->tag_id = tgt->tag_id; 5049 atiop->init_id = GET_INITIATOR_INDEX(reply_desc); 5050 atiop->cdb_len = 16; 5051 memcpy(atiop->cdb_io.cdb_bytes, cdbp, atiop->cdb_len); 5052 if (tag_action) { 5053 atiop->tag_action = tag_action; 5054 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID; 5055 } 5056 if (mpt->verbose >= MPT_PRT_DEBUG) { 5057 int i; 5058 mpt_prt(mpt, "START_CCB %p for lun %jx CDB=<", atiop, 5059 (uintmax_t)atiop->ccb_h.target_lun); 5060 for (i = 0; i < atiop->cdb_len; i++) { 5061 mpt_prtc(mpt, "%02x%c", cdbp[i] & 0xff, 5062 (i == (atiop->cdb_len - 1))? '>' : ' '); 5063 } 5064 mpt_prtc(mpt, " itag %x tag %x rdesc %x dl=%u\n", 5065 tgt->itag, tgt->tag_id, tgt->reply_desc, tgt->resid); 5066 } 5067 5068 xpt_done((union ccb *)atiop); 5069 } 5070 5071 static void 5072 mpt_tgt_dump_tgt_state(struct mpt_softc *mpt, request_t *req) 5073 { 5074 mpt_tgt_state_t *tgt = MPT_TGT_STATE(mpt, req); 5075 5076 mpt_prt(mpt, "req %p:%u tgt:rdesc 0x%x resid %u xfrd %u ccb %p treq %p " 5077 "nx %d tag 0x%08x itag 0x%04x state=%d\n", req, req->serno, 5078 tgt->reply_desc, tgt->resid, tgt->bytes_xfered, tgt->ccb, 5079 tgt->req, tgt->nxfers, tgt->tag_id, tgt->itag, tgt->state); 5080 } 5081 5082 static void 5083 mpt_tgt_dump_req_state(struct mpt_softc *mpt, request_t *req) 5084 { 5085 5086 mpt_prt(mpt, "req %p:%u index %u (%x) state %x\n", req, req->serno, 5087 req->index, req->index, req->state); 5088 mpt_tgt_dump_tgt_state(mpt, req); 5089 } 5090 5091 static int 5092 mpt_scsi_tgt_reply_handler(struct mpt_softc *mpt, request_t *req, 5093 uint32_t reply_desc, MSG_DEFAULT_REPLY *reply_frame) 5094 { 5095 int dbg; 5096 union ccb *ccb; 5097 U16 status; 5098 5099 if (reply_frame == NULL) { 5100 /* 5101 * Figure out what the state of the command is. 5102 */ 5103 mpt_tgt_state_t *tgt = MPT_TGT_STATE(mpt, req); 5104 5105 #ifdef INVARIANTS 5106 mpt_req_spcl(mpt, req, "turbo scsi_tgt_reply", __LINE__); 5107 if (tgt->req) { 5108 mpt_req_not_spcl(mpt, tgt->req, 5109 "turbo scsi_tgt_reply associated req", __LINE__); 5110 } 5111 #endif 5112 switch(tgt->state) { 5113 case TGT_STATE_LOADED: 5114 /* 5115 * This is a new command starting. 5116 */ 5117 mpt_scsi_tgt_atio(mpt, req, reply_desc); 5118 break; 5119 case TGT_STATE_MOVING_DATA: 5120 { 5121 ccb = tgt->ccb; 5122 if (tgt->req == NULL) { 5123 panic("mpt: turbo target reply with null " 5124 "associated request moving data"); 5125 /* NOTREACHED */ 5126 } 5127 if (ccb == NULL) { 5128 if (tgt->is_local == 0) { 5129 panic("mpt: turbo target reply with " 5130 "null associated ccb moving data"); 5131 /* NOTREACHED */ 5132 } 5133 mpt_lprt(mpt, MPT_PRT_DEBUG, 5134 "TARGET_ASSIST local done\n"); 5135 TAILQ_REMOVE(&mpt->request_pending_list, 5136 tgt->req, links); 5137 mpt_free_request(mpt, tgt->req); 5138 tgt->req = NULL; 5139 mpt_scsi_tgt_status(mpt, NULL, req, 5140 0, NULL, 0); 5141 return (TRUE); 5142 } 5143 tgt->ccb = NULL; 5144 tgt->nxfers++; 5145 mpt_req_untimeout(tgt->req, mpt_timeout, ccb); 5146 mpt_lprt(mpt, MPT_PRT_DEBUG, 5147 "TARGET_ASSIST %p (req %p:%u) done tag 0x%x\n", 5148 ccb, tgt->req, tgt->req->serno, ccb->csio.tag_id); 5149 /* 5150 * Free the Target Assist Request 5151 */ 5152 KASSERT(tgt->req->ccb == ccb, 5153 ("tgt->req %p:%u tgt->req->ccb %p", tgt->req, 5154 tgt->req->serno, tgt->req->ccb)); 5155 TAILQ_REMOVE(&mpt->request_pending_list, 5156 tgt->req, links); 5157 mpt_free_request(mpt, tgt->req); 5158 tgt->req = NULL; 5159 5160 /* 5161 * Do we need to send status now? That is, are 5162 * we done with all our data transfers? 5163 */ 5164 if ((ccb->ccb_h.flags & CAM_SEND_STATUS) == 0) { 5165 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 5166 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 5167 KASSERT(ccb->ccb_h.status, 5168 ("zero ccb sts at %d", __LINE__)); 5169 tgt->state = TGT_STATE_IN_CAM; 5170 if (mpt->outofbeer) { 5171 ccb->ccb_h.status |= CAM_RELEASE_SIMQ; 5172 mpt->outofbeer = 0; 5173 mpt_lprt(mpt, MPT_PRT_DEBUG, "THAWQ\n"); 5174 } 5175 xpt_done(ccb); 5176 break; 5177 } 5178 /* 5179 * Otherwise, send status (and sense) 5180 */ 5181 mpt_scsi_tgt_status(mpt, ccb, req, 5182 ccb->csio.scsi_status, 5183 (void *)&ccb->csio.sense_data, 5184 (ccb->ccb_h.flags & CAM_SEND_SENSE) ? 5185 ccb->csio.sense_len : 0); 5186 break; 5187 } 5188 case TGT_STATE_SENDING_STATUS: 5189 case TGT_STATE_MOVING_DATA_AND_STATUS: 5190 { 5191 int ioindex; 5192 ccb = tgt->ccb; 5193 5194 if (tgt->req == NULL) { 5195 panic("mpt: turbo target reply with null " 5196 "associated request sending status"); 5197 /* NOTREACHED */ 5198 } 5199 5200 if (ccb) { 5201 tgt->ccb = NULL; 5202 if (tgt->state == 5203 TGT_STATE_MOVING_DATA_AND_STATUS) { 5204 tgt->nxfers++; 5205 } 5206 mpt_req_untimeout(tgt->req, mpt_timeout, ccb); 5207 if (ccb->ccb_h.flags & CAM_SEND_SENSE) { 5208 ccb->ccb_h.status |= CAM_SENT_SENSE; 5209 } 5210 mpt_lprt(mpt, MPT_PRT_DEBUG, 5211 "TARGET_STATUS tag %x sts %x flgs %x req " 5212 "%p\n", ccb->csio.tag_id, ccb->ccb_h.status, 5213 ccb->ccb_h.flags, tgt->req); 5214 /* 5215 * Free the Target Send Status Request 5216 */ 5217 KASSERT(tgt->req->ccb == ccb, 5218 ("tgt->req %p:%u tgt->req->ccb %p", 5219 tgt->req, tgt->req->serno, tgt->req->ccb)); 5220 /* 5221 * Notify CAM that we're done 5222 */ 5223 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 5224 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 5225 KASSERT(ccb->ccb_h.status, 5226 ("ZERO ccb sts at %d", __LINE__)); 5227 tgt->ccb = NULL; 5228 } else { 5229 mpt_lprt(mpt, MPT_PRT_DEBUG, 5230 "TARGET_STATUS non-CAM for req %p:%u\n", 5231 tgt->req, tgt->req->serno); 5232 } 5233 TAILQ_REMOVE(&mpt->request_pending_list, 5234 tgt->req, links); 5235 mpt_free_request(mpt, tgt->req); 5236 tgt->req = NULL; 5237 5238 /* 5239 * And re-post the Command Buffer. 5240 * This will reset the state. 5241 */ 5242 ioindex = GET_IO_INDEX(reply_desc); 5243 TAILQ_REMOVE(&mpt->request_pending_list, req, links); 5244 tgt->is_local = 0; 5245 mpt_post_target_command(mpt, req, ioindex); 5246 5247 /* 5248 * And post a done for anyone who cares 5249 */ 5250 if (ccb) { 5251 if (mpt->outofbeer) { 5252 ccb->ccb_h.status |= CAM_RELEASE_SIMQ; 5253 mpt->outofbeer = 0; 5254 mpt_lprt(mpt, MPT_PRT_DEBUG, "THAWQ\n"); 5255 } 5256 xpt_done(ccb); 5257 } 5258 break; 5259 } 5260 case TGT_STATE_NIL: /* XXX This Never Happens XXX */ 5261 tgt->state = TGT_STATE_LOADED; 5262 break; 5263 default: 5264 mpt_prt(mpt, "Unknown Target State 0x%x in Context " 5265 "Reply Function\n", tgt->state); 5266 } 5267 return (TRUE); 5268 } 5269 5270 status = le16toh(reply_frame->IOCStatus); 5271 if (status != MPI_IOCSTATUS_SUCCESS) { 5272 dbg = MPT_PRT_ERROR; 5273 } else { 5274 dbg = MPT_PRT_DEBUG1; 5275 } 5276 5277 mpt_lprt(mpt, dbg, 5278 "SCSI_TGT REPLY: req=%p:%u reply=%p func=%x IOCstatus 0x%x\n", 5279 req, req->serno, reply_frame, reply_frame->Function, status); 5280 5281 switch (reply_frame->Function) { 5282 case MPI_FUNCTION_TARGET_CMD_BUFFER_POST: 5283 { 5284 mpt_tgt_state_t *tgt; 5285 #ifdef INVARIANTS 5286 mpt_req_spcl(mpt, req, "tgt reply BUFFER POST", __LINE__); 5287 #endif 5288 if (status != MPI_IOCSTATUS_SUCCESS) { 5289 /* 5290 * XXX What to do? 5291 */ 5292 break; 5293 } 5294 tgt = MPT_TGT_STATE(mpt, req); 5295 KASSERT(tgt->state == TGT_STATE_LOADING, 5296 ("bad state 0x%x on reply to buffer post", tgt->state)); 5297 mpt_assign_serno(mpt, req); 5298 tgt->state = TGT_STATE_LOADED; 5299 break; 5300 } 5301 case MPI_FUNCTION_TARGET_ASSIST: 5302 #ifdef INVARIANTS 5303 mpt_req_not_spcl(mpt, req, "tgt reply TARGET ASSIST", __LINE__); 5304 #endif 5305 mpt_prt(mpt, "target assist completion\n"); 5306 TAILQ_REMOVE(&mpt->request_pending_list, req, links); 5307 mpt_free_request(mpt, req); 5308 break; 5309 case MPI_FUNCTION_TARGET_STATUS_SEND: 5310 #ifdef INVARIANTS 5311 mpt_req_not_spcl(mpt, req, "tgt reply STATUS SEND", __LINE__); 5312 #endif 5313 mpt_prt(mpt, "status send completion\n"); 5314 TAILQ_REMOVE(&mpt->request_pending_list, req, links); 5315 mpt_free_request(mpt, req); 5316 break; 5317 case MPI_FUNCTION_TARGET_MODE_ABORT: 5318 { 5319 PTR_MSG_TARGET_MODE_ABORT_REPLY abtrp = 5320 (PTR_MSG_TARGET_MODE_ABORT_REPLY) reply_frame; 5321 PTR_MSG_TARGET_MODE_ABORT abtp = 5322 (PTR_MSG_TARGET_MODE_ABORT) req->req_vbuf; 5323 uint32_t cc = GET_IO_INDEX(le32toh(abtp->ReplyWord)); 5324 #ifdef INVARIANTS 5325 mpt_req_not_spcl(mpt, req, "tgt reply TMODE ABORT", __LINE__); 5326 #endif 5327 mpt_prt(mpt, "ABORT RX_ID 0x%x Complete; status 0x%x cnt %u\n", 5328 cc, le16toh(abtrp->IOCStatus), le32toh(abtrp->AbortCount)); 5329 TAILQ_REMOVE(&mpt->request_pending_list, req, links); 5330 mpt_free_request(mpt, req); 5331 break; 5332 } 5333 default: 5334 mpt_prt(mpt, "Unknown Target Address Reply Function code: " 5335 "0x%x\n", reply_frame->Function); 5336 break; 5337 } 5338 return (TRUE); 5339 } 5340