1 /*- 2 * FreeBSD/CAM specific routines for LSI '909 FC adapters. 3 * FreeBSD Version. 4 * 5 * Copyright (c) 2000, 2001 by Greg Ansley 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice immediately at the beginning of the file, without modification, 12 * this list of conditions, and the following disclaimer. 13 * 2. The name of the author may not be used to endorse or promote products 14 * derived from this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR 20 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 /*- 29 * Copyright (c) 2002, 2006 by Matthew Jacob 30 * All rights reserved. 31 * 32 * Redistribution and use in source and binary forms, with or without 33 * modification, are permitted provided that the following conditions are 34 * met: 35 * 1. Redistributions of source code must retain the above copyright 36 * notice, this list of conditions and the following disclaimer. 37 * 2. Redistributions in binary form must reproduce at minimum a disclaimer 38 * substantially similar to the "NO WARRANTY" disclaimer below 39 * ("Disclaimer") and any redistribution must be conditioned upon including 40 * a substantially similar Disclaimer requirement for further binary 41 * redistribution. 42 * 3. Neither the names of the above listed copyright holders nor the names 43 * of any contributors may be used to endorse or promote products derived 44 * from this software without specific prior written permission. 45 * 46 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 47 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 48 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 49 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 50 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 51 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 52 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 53 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 54 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 55 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF THE COPYRIGHT 56 * OWNER OR CONTRIBUTOR IS ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 57 * 58 * Support from Chris Ellsworth in order to make SAS adapters work 59 * is gratefully acknowledged. 60 * 61 * Support from LSI-Logic has also gone a great deal toward making this a 62 * workable subsystem and is gratefully acknowledged. 63 */ 64 /*- 65 * Copyright (c) 2004, Avid Technology, Inc. and its contributors. 66 * Copyright (c) 2005, WHEEL Sp. z o.o. 67 * Copyright (c) 2004, 2005 Justin T. Gibbs 68 * All rights reserved. 69 * 70 * Redistribution and use in source and binary forms, with or without 71 * modification, are permitted provided that the following conditions are 72 * met: 73 * 1. Redistributions of source code must retain the above copyright 74 * notice, this list of conditions and the following disclaimer. 75 * 2. Redistributions in binary form must reproduce at minimum a disclaimer 76 * substantially similar to the "NO WARRANTY" disclaimer below 77 * ("Disclaimer") and any redistribution must be conditioned upon including 78 * a substantially similar Disclaimer requirement for further binary 79 * redistribution. 80 * 3. Neither the names of the above listed copyright holders nor the names 81 * of any contributors may be used to endorse or promote products derived 82 * from this software without specific prior written permission. 83 * 84 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 85 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 86 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 87 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 88 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 89 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 90 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 91 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 92 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 93 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF THE COPYRIGHT 94 * OWNER OR CONTRIBUTOR IS ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 95 */ 96 #include <sys/cdefs.h> 97 __FBSDID("$FreeBSD$"); 98 99 #include <dev/mpt/mpt.h> 100 #include <dev/mpt/mpt_cam.h> 101 #include <dev/mpt/mpt_raid.h> 102 103 #include "dev/mpt/mpilib/mpi_ioc.h" /* XXX Fix Event Handling!!! */ 104 #include "dev/mpt/mpilib/mpi_init.h" 105 #include "dev/mpt/mpilib/mpi_targ.h" 106 #include "dev/mpt/mpilib/mpi_fc.h" 107 #include "dev/mpt/mpilib/mpi_sas.h" 108 109 #include <sys/callout.h> 110 #include <sys/kthread.h> 111 #include <sys/sysctl.h> 112 113 static void mpt_poll(struct cam_sim *); 114 static timeout_t mpt_timeout; 115 static void mpt_action(struct cam_sim *, union ccb *); 116 static int 117 mpt_get_spi_settings(struct mpt_softc *, struct ccb_trans_settings *); 118 static void mpt_setwidth(struct mpt_softc *, int, int); 119 static void mpt_setsync(struct mpt_softc *, int, int, int); 120 static int mpt_update_spi_config(struct mpt_softc *, int); 121 122 static mpt_reply_handler_t mpt_scsi_reply_handler; 123 static mpt_reply_handler_t mpt_scsi_tmf_reply_handler; 124 static mpt_reply_handler_t mpt_fc_els_reply_handler; 125 static int mpt_scsi_reply_frame_handler(struct mpt_softc *, request_t *, 126 MSG_DEFAULT_REPLY *); 127 static int mpt_bus_reset(struct mpt_softc *, target_id_t, lun_id_t, int); 128 static int mpt_fc_reset_link(struct mpt_softc *, int); 129 130 static int mpt_spawn_recovery_thread(struct mpt_softc *mpt); 131 static void mpt_terminate_recovery_thread(struct mpt_softc *mpt); 132 static void mpt_recovery_thread(void *arg); 133 static void mpt_recover_commands(struct mpt_softc *mpt); 134 135 static int mpt_scsi_send_tmf(struct mpt_softc *, u_int, u_int, u_int, 136 target_id_t, lun_id_t, u_int, int); 137 138 static void mpt_fc_post_els(struct mpt_softc *mpt, request_t *, int); 139 static void mpt_post_target_command(struct mpt_softc *, request_t *, int); 140 static int mpt_add_els_buffers(struct mpt_softc *mpt); 141 static int mpt_add_target_commands(struct mpt_softc *mpt); 142 static int mpt_enable_lun(struct mpt_softc *, target_id_t, lun_id_t); 143 static int mpt_disable_lun(struct mpt_softc *, target_id_t, lun_id_t); 144 static void mpt_target_start_io(struct mpt_softc *, union ccb *); 145 static cam_status mpt_abort_target_ccb(struct mpt_softc *, union ccb *); 146 static int mpt_abort_target_cmd(struct mpt_softc *, request_t *); 147 static void mpt_scsi_tgt_status(struct mpt_softc *, union ccb *, request_t *, 148 uint8_t, uint8_t const *, u_int); 149 static void 150 mpt_scsi_tgt_tsk_mgmt(struct mpt_softc *, request_t *, mpt_task_mgmt_t, 151 tgt_resource_t *, int); 152 static void mpt_tgt_dump_tgt_state(struct mpt_softc *, request_t *); 153 static void mpt_tgt_dump_req_state(struct mpt_softc *, request_t *); 154 static mpt_reply_handler_t mpt_scsi_tgt_reply_handler; 155 static mpt_reply_handler_t mpt_sata_pass_reply_handler; 156 157 static uint32_t scsi_io_handler_id = MPT_HANDLER_ID_NONE; 158 static uint32_t scsi_tmf_handler_id = MPT_HANDLER_ID_NONE; 159 static uint32_t fc_els_handler_id = MPT_HANDLER_ID_NONE; 160 static uint32_t sata_pass_handler_id = MPT_HANDLER_ID_NONE; 161 162 static mpt_probe_handler_t mpt_cam_probe; 163 static mpt_attach_handler_t mpt_cam_attach; 164 static mpt_enable_handler_t mpt_cam_enable; 165 static mpt_ready_handler_t mpt_cam_ready; 166 static mpt_event_handler_t mpt_cam_event; 167 static mpt_reset_handler_t mpt_cam_ioc_reset; 168 static mpt_detach_handler_t mpt_cam_detach; 169 170 static struct mpt_personality mpt_cam_personality = 171 { 172 .name = "mpt_cam", 173 .probe = mpt_cam_probe, 174 .attach = mpt_cam_attach, 175 .enable = mpt_cam_enable, 176 .ready = mpt_cam_ready, 177 .event = mpt_cam_event, 178 .reset = mpt_cam_ioc_reset, 179 .detach = mpt_cam_detach, 180 }; 181 182 DECLARE_MPT_PERSONALITY(mpt_cam, SI_ORDER_SECOND); 183 MODULE_DEPEND(mpt_cam, cam, 1, 1, 1); 184 185 int mpt_enable_sata_wc = -1; 186 TUNABLE_INT("hw.mpt.enable_sata_wc", &mpt_enable_sata_wc); 187 188 static int 189 mpt_cam_probe(struct mpt_softc *mpt) 190 { 191 int role; 192 193 /* 194 * Only attach to nodes that support the initiator or target role 195 * (or want to) or have RAID physical devices that need CAM pass-thru 196 * support. 197 */ 198 if (mpt->do_cfg_role) { 199 role = mpt->cfg_role; 200 } else { 201 role = mpt->role; 202 } 203 if ((role & (MPT_ROLE_TARGET|MPT_ROLE_INITIATOR)) != 0 || 204 (mpt->ioc_page2 != NULL && mpt->ioc_page2->MaxPhysDisks != 0)) { 205 return (0); 206 } 207 return (ENODEV); 208 } 209 210 static int 211 mpt_cam_attach(struct mpt_softc *mpt) 212 { 213 struct cam_devq *devq; 214 mpt_handler_t handler; 215 int maxq; 216 int error; 217 218 MPT_LOCK(mpt); 219 TAILQ_INIT(&mpt->request_timeout_list); 220 maxq = (mpt->ioc_facts.GlobalCredits < MPT_MAX_REQUESTS(mpt))? 221 mpt->ioc_facts.GlobalCredits : MPT_MAX_REQUESTS(mpt); 222 223 handler.reply_handler = mpt_scsi_reply_handler; 224 error = mpt_register_handler(mpt, MPT_HANDLER_REPLY, handler, 225 &scsi_io_handler_id); 226 if (error != 0) { 227 MPT_UNLOCK(mpt); 228 goto cleanup; 229 } 230 231 handler.reply_handler = mpt_scsi_tmf_reply_handler; 232 error = mpt_register_handler(mpt, MPT_HANDLER_REPLY, handler, 233 &scsi_tmf_handler_id); 234 if (error != 0) { 235 MPT_UNLOCK(mpt); 236 goto cleanup; 237 } 238 239 /* 240 * If we're fibre channel and could support target mode, we register 241 * an ELS reply handler and give it resources. 242 */ 243 if (mpt->is_fc && (mpt->role & MPT_ROLE_TARGET) != 0) { 244 handler.reply_handler = mpt_fc_els_reply_handler; 245 error = mpt_register_handler(mpt, MPT_HANDLER_REPLY, handler, 246 &fc_els_handler_id); 247 if (error != 0) { 248 MPT_UNLOCK(mpt); 249 goto cleanup; 250 } 251 if (mpt_add_els_buffers(mpt) == FALSE) { 252 error = ENOMEM; 253 MPT_UNLOCK(mpt); 254 goto cleanup; 255 } 256 maxq -= mpt->els_cmds_allocated; 257 } 258 259 /* 260 * If we support target mode, we register a reply handler for it, 261 * but don't add command resources until we actually enable target 262 * mode. 263 */ 264 if (mpt->is_fc && (mpt->role & MPT_ROLE_TARGET) != 0) { 265 handler.reply_handler = mpt_scsi_tgt_reply_handler; 266 error = mpt_register_handler(mpt, MPT_HANDLER_REPLY, handler, 267 &mpt->scsi_tgt_handler_id); 268 if (error != 0) { 269 MPT_UNLOCK(mpt); 270 goto cleanup; 271 } 272 } 273 274 if (mpt->is_sas) { 275 handler.reply_handler = mpt_sata_pass_reply_handler; 276 error = mpt_register_handler(mpt, MPT_HANDLER_REPLY, handler, 277 &sata_pass_handler_id); 278 if (error != 0) { 279 MPT_UNLOCK(mpt); 280 goto cleanup; 281 } 282 } 283 284 /* 285 * We keep one request reserved for timeout TMF requests. 286 */ 287 mpt->tmf_req = mpt_get_request(mpt, FALSE); 288 if (mpt->tmf_req == NULL) { 289 mpt_prt(mpt, "Unable to allocate dedicated TMF request!\n"); 290 error = ENOMEM; 291 MPT_UNLOCK(mpt); 292 goto cleanup; 293 } 294 295 /* 296 * Mark the request as free even though not on the free list. 297 * There is only one TMF request allowed to be outstanding at 298 * a time and the TMF routines perform their own allocation 299 * tracking using the standard state flags. 300 */ 301 mpt->tmf_req->state = REQ_STATE_FREE; 302 maxq--; 303 304 /* 305 * The rest of this is CAM foo, for which we need to drop our lock 306 */ 307 MPT_UNLOCK(mpt); 308 309 if (mpt_spawn_recovery_thread(mpt) != 0) { 310 mpt_prt(mpt, "Unable to spawn recovery thread!\n"); 311 error = ENOMEM; 312 goto cleanup; 313 } 314 315 /* 316 * Create the device queue for our SIM(s). 317 */ 318 devq = cam_simq_alloc(maxq); 319 if (devq == NULL) { 320 mpt_prt(mpt, "Unable to allocate CAM SIMQ!\n"); 321 error = ENOMEM; 322 goto cleanup; 323 } 324 325 /* 326 * Construct our SIM entry. 327 */ 328 mpt->sim = 329 mpt_sim_alloc(mpt_action, mpt_poll, "mpt", mpt, 1, maxq, devq); 330 if (mpt->sim == NULL) { 331 mpt_prt(mpt, "Unable to allocate CAM SIM!\n"); 332 cam_simq_free(devq); 333 error = ENOMEM; 334 goto cleanup; 335 } 336 337 /* 338 * Register exactly this bus. 339 */ 340 MPT_LOCK(mpt); 341 if (xpt_bus_register(mpt->sim, mpt->dev, 0) != CAM_SUCCESS) { 342 mpt_prt(mpt, "Bus registration Failed!\n"); 343 error = ENOMEM; 344 MPT_UNLOCK(mpt); 345 goto cleanup; 346 } 347 348 if (xpt_create_path(&mpt->path, NULL, cam_sim_path(mpt->sim), 349 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 350 mpt_prt(mpt, "Unable to allocate Path!\n"); 351 error = ENOMEM; 352 MPT_UNLOCK(mpt); 353 goto cleanup; 354 } 355 MPT_UNLOCK(mpt); 356 357 /* 358 * Only register a second bus for RAID physical 359 * devices if the controller supports RAID. 360 */ 361 if (mpt->ioc_page2 == NULL || mpt->ioc_page2->MaxPhysDisks == 0) { 362 return (0); 363 } 364 365 /* 366 * Create a "bus" to export all hidden disks to CAM. 367 */ 368 mpt->phydisk_sim = 369 mpt_sim_alloc(mpt_action, mpt_poll, "mpt", mpt, 1, maxq, devq); 370 if (mpt->phydisk_sim == NULL) { 371 mpt_prt(mpt, "Unable to allocate Physical Disk CAM SIM!\n"); 372 error = ENOMEM; 373 goto cleanup; 374 } 375 376 /* 377 * Register this bus. 378 */ 379 MPT_LOCK(mpt); 380 if (xpt_bus_register(mpt->phydisk_sim, mpt->dev, 1) != 381 CAM_SUCCESS) { 382 mpt_prt(mpt, "Physical Disk Bus registration Failed!\n"); 383 error = ENOMEM; 384 MPT_UNLOCK(mpt); 385 goto cleanup; 386 } 387 388 if (xpt_create_path(&mpt->phydisk_path, NULL, 389 cam_sim_path(mpt->phydisk_sim), 390 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 391 mpt_prt(mpt, "Unable to allocate Physical Disk Path!\n"); 392 error = ENOMEM; 393 MPT_UNLOCK(mpt); 394 goto cleanup; 395 } 396 MPT_UNLOCK(mpt); 397 mpt_lprt(mpt, MPT_PRT_DEBUG, "attached cam\n"); 398 return (0); 399 400 cleanup: 401 mpt_cam_detach(mpt); 402 return (error); 403 } 404 405 /* 406 * Read FC configuration information 407 */ 408 static int 409 mpt_read_config_info_fc(struct mpt_softc *mpt) 410 { 411 struct sysctl_ctx_list *ctx; 412 struct sysctl_oid *tree; 413 char *topology = NULL; 414 int rv; 415 416 rv = mpt_read_cfg_header(mpt, MPI_CONFIG_PAGETYPE_FC_PORT, 0, 417 0, &mpt->mpt_fcport_page0.Header, FALSE, 5000); 418 if (rv) { 419 return (-1); 420 } 421 mpt_lprt(mpt, MPT_PRT_DEBUG, "FC Port Page 0 Header: %x %x %x %x\n", 422 mpt->mpt_fcport_page0.Header.PageVersion, 423 mpt->mpt_fcport_page0.Header.PageLength, 424 mpt->mpt_fcport_page0.Header.PageNumber, 425 mpt->mpt_fcport_page0.Header.PageType); 426 427 428 rv = mpt_read_cur_cfg_page(mpt, 0, &mpt->mpt_fcport_page0.Header, 429 sizeof(mpt->mpt_fcport_page0), FALSE, 5000); 430 if (rv) { 431 mpt_prt(mpt, "failed to read FC Port Page 0\n"); 432 return (-1); 433 } 434 mpt2host_config_page_fc_port_0(&mpt->mpt_fcport_page0); 435 436 switch (mpt->mpt_fcport_page0.CurrentSpeed) { 437 case MPI_FCPORTPAGE0_CURRENT_SPEED_1GBIT: 438 mpt->mpt_fcport_speed = 1; 439 break; 440 case MPI_FCPORTPAGE0_CURRENT_SPEED_2GBIT: 441 mpt->mpt_fcport_speed = 2; 442 break; 443 case MPI_FCPORTPAGE0_CURRENT_SPEED_10GBIT: 444 mpt->mpt_fcport_speed = 10; 445 break; 446 case MPI_FCPORTPAGE0_CURRENT_SPEED_4GBIT: 447 mpt->mpt_fcport_speed = 4; 448 break; 449 default: 450 mpt->mpt_fcport_speed = 0; 451 break; 452 } 453 454 switch (mpt->mpt_fcport_page0.Flags & 455 MPI_FCPORTPAGE0_FLAGS_ATTACH_TYPE_MASK) { 456 case MPI_FCPORTPAGE0_FLAGS_ATTACH_NO_INIT: 457 mpt->mpt_fcport_speed = 0; 458 topology = "<NO LOOP>"; 459 break; 460 case MPI_FCPORTPAGE0_FLAGS_ATTACH_POINT_TO_POINT: 461 topology = "N-Port"; 462 break; 463 case MPI_FCPORTPAGE0_FLAGS_ATTACH_PRIVATE_LOOP: 464 topology = "NL-Port"; 465 break; 466 case MPI_FCPORTPAGE0_FLAGS_ATTACH_FABRIC_DIRECT: 467 topology = "F-Port"; 468 break; 469 case MPI_FCPORTPAGE0_FLAGS_ATTACH_PUBLIC_LOOP: 470 topology = "FL-Port"; 471 break; 472 default: 473 mpt->mpt_fcport_speed = 0; 474 topology = "?"; 475 break; 476 } 477 478 mpt->scinfo.fc.wwnn = ((uint64_t)mpt->mpt_fcport_page0.WWNN.High << 32) 479 | mpt->mpt_fcport_page0.WWNN.Low; 480 mpt->scinfo.fc.wwpn = ((uint64_t)mpt->mpt_fcport_page0.WWPN.High << 32) 481 | mpt->mpt_fcport_page0.WWPN.Low; 482 mpt->scinfo.fc.portid = mpt->mpt_fcport_page0.PortIdentifier; 483 484 mpt_lprt(mpt, MPT_PRT_INFO, 485 "FC Port Page 0: Topology <%s> WWNN 0x%16jx WWPN 0x%16jx " 486 "Speed %u-Gbit\n", topology, 487 (uintmax_t)mpt->scinfo.fc.wwnn, (uintmax_t)mpt->scinfo.fc.wwpn, 488 mpt->mpt_fcport_speed); 489 MPT_UNLOCK(mpt); 490 ctx = device_get_sysctl_ctx(mpt->dev); 491 tree = device_get_sysctl_tree(mpt->dev); 492 493 SYSCTL_ADD_QUAD(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 494 "wwnn", CTLFLAG_RD, &mpt->scinfo.fc.wwnn, 495 "World Wide Node Name"); 496 497 SYSCTL_ADD_QUAD(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 498 "wwpn", CTLFLAG_RD, &mpt->scinfo.fc.wwpn, 499 "World Wide Port Name"); 500 501 MPT_LOCK(mpt); 502 return (0); 503 } 504 505 /* 506 * Set FC configuration information. 507 */ 508 static int 509 mpt_set_initial_config_fc(struct mpt_softc *mpt) 510 { 511 CONFIG_PAGE_FC_PORT_1 fc; 512 U32 fl; 513 int r, doit = 0; 514 int role; 515 516 r = mpt_read_cfg_header(mpt, MPI_CONFIG_PAGETYPE_FC_PORT, 1, 0, 517 &fc.Header, FALSE, 5000); 518 if (r) { 519 mpt_prt(mpt, "failed to read FC page 1 header\n"); 520 return (mpt_fc_reset_link(mpt, 1)); 521 } 522 523 r = mpt_read_cfg_page(mpt, MPI_CONFIG_ACTION_PAGE_READ_NVRAM, 0, 524 &fc.Header, sizeof (fc), FALSE, 5000); 525 if (r) { 526 mpt_prt(mpt, "failed to read FC page 1\n"); 527 return (mpt_fc_reset_link(mpt, 1)); 528 } 529 mpt2host_config_page_fc_port_1(&fc); 530 531 /* 532 * Check our flags to make sure we support the role we want. 533 */ 534 doit = 0; 535 role = 0; 536 fl = fc.Flags; 537 538 if (fl & MPI_FCPORTPAGE1_FLAGS_PROT_FCP_INIT) { 539 role |= MPT_ROLE_INITIATOR; 540 } 541 if (fl & MPI_FCPORTPAGE1_FLAGS_PROT_FCP_TARG) { 542 role |= MPT_ROLE_TARGET; 543 } 544 545 fl &= ~MPI_FCPORTPAGE1_FLAGS_PROT_MASK; 546 547 if (mpt->do_cfg_role == 0) { 548 role = mpt->cfg_role; 549 } else { 550 mpt->do_cfg_role = 0; 551 } 552 553 if (role != mpt->cfg_role) { 554 if (mpt->cfg_role & MPT_ROLE_INITIATOR) { 555 if ((role & MPT_ROLE_INITIATOR) == 0) { 556 mpt_prt(mpt, "adding initiator role\n"); 557 fl |= MPI_FCPORTPAGE1_FLAGS_PROT_FCP_INIT; 558 doit++; 559 } else { 560 mpt_prt(mpt, "keeping initiator role\n"); 561 } 562 } else if (role & MPT_ROLE_INITIATOR) { 563 mpt_prt(mpt, "removing initiator role\n"); 564 doit++; 565 } 566 if (mpt->cfg_role & MPT_ROLE_TARGET) { 567 if ((role & MPT_ROLE_TARGET) == 0) { 568 mpt_prt(mpt, "adding target role\n"); 569 fl |= MPI_FCPORTPAGE1_FLAGS_PROT_FCP_TARG; 570 doit++; 571 } else { 572 mpt_prt(mpt, "keeping target role\n"); 573 } 574 } else if (role & MPT_ROLE_TARGET) { 575 mpt_prt(mpt, "removing target role\n"); 576 doit++; 577 } 578 mpt->role = mpt->cfg_role; 579 } 580 581 if (fl & MPI_FCPORTPAGE1_FLAGS_PROT_FCP_TARG) { 582 if ((fl & MPI_FCPORTPAGE1_FLAGS_TARGET_MODE_OXID) == 0) { 583 mpt_prt(mpt, "adding OXID option\n"); 584 fl |= MPI_FCPORTPAGE1_FLAGS_TARGET_MODE_OXID; 585 doit++; 586 } 587 } 588 589 if (doit) { 590 fc.Flags = fl; 591 host2mpt_config_page_fc_port_1(&fc); 592 r = mpt_write_cfg_page(mpt, 593 MPI_CONFIG_ACTION_PAGE_WRITE_NVRAM, 0, &fc.Header, 594 sizeof(fc), FALSE, 5000); 595 if (r != 0) { 596 mpt_prt(mpt, "failed to update NVRAM with changes\n"); 597 return (0); 598 } 599 mpt_prt(mpt, "NOTE: NVRAM changes will not take " 600 "effect until next reboot or IOC reset\n"); 601 } 602 return (0); 603 } 604 605 static int 606 mptsas_sas_io_unit_pg0(struct mpt_softc *mpt, struct mptsas_portinfo *portinfo) 607 { 608 ConfigExtendedPageHeader_t hdr; 609 struct mptsas_phyinfo *phyinfo; 610 SasIOUnitPage0_t *buffer; 611 int error, len, i; 612 613 error = mpt_read_extcfg_header(mpt, MPI_SASIOUNITPAGE0_PAGEVERSION, 614 0, 0, MPI_CONFIG_EXTPAGETYPE_SAS_IO_UNIT, 615 &hdr, 0, 10000); 616 if (error) 617 goto out; 618 if (hdr.ExtPageLength == 0) { 619 error = ENXIO; 620 goto out; 621 } 622 623 len = hdr.ExtPageLength * 4; 624 buffer = malloc(len, M_DEVBUF, M_NOWAIT|M_ZERO); 625 if (buffer == NULL) { 626 error = ENOMEM; 627 goto out; 628 } 629 630 error = mpt_read_extcfg_page(mpt, MPI_CONFIG_ACTION_PAGE_READ_CURRENT, 631 0, &hdr, buffer, len, 0, 10000); 632 if (error) { 633 free(buffer, M_DEVBUF); 634 goto out; 635 } 636 637 portinfo->num_phys = buffer->NumPhys; 638 portinfo->phy_info = malloc(sizeof(*portinfo->phy_info) * 639 portinfo->num_phys, M_DEVBUF, M_NOWAIT|M_ZERO); 640 if (portinfo->phy_info == NULL) { 641 free(buffer, M_DEVBUF); 642 error = ENOMEM; 643 goto out; 644 } 645 646 for (i = 0; i < portinfo->num_phys; i++) { 647 phyinfo = &portinfo->phy_info[i]; 648 phyinfo->phy_num = i; 649 phyinfo->port_id = buffer->PhyData[i].Port; 650 phyinfo->negotiated_link_rate = 651 buffer->PhyData[i].NegotiatedLinkRate; 652 phyinfo->handle = 653 le16toh(buffer->PhyData[i].ControllerDevHandle); 654 } 655 656 free(buffer, M_DEVBUF); 657 out: 658 return (error); 659 } 660 661 static int 662 mptsas_sas_phy_pg0(struct mpt_softc *mpt, struct mptsas_phyinfo *phy_info, 663 uint32_t form, uint32_t form_specific) 664 { 665 ConfigExtendedPageHeader_t hdr; 666 SasPhyPage0_t *buffer; 667 int error; 668 669 error = mpt_read_extcfg_header(mpt, MPI_SASPHY0_PAGEVERSION, 0, 0, 670 MPI_CONFIG_EXTPAGETYPE_SAS_PHY, &hdr, 671 0, 10000); 672 if (error) 673 goto out; 674 if (hdr.ExtPageLength == 0) { 675 error = ENXIO; 676 goto out; 677 } 678 679 buffer = malloc(sizeof(SasPhyPage0_t), M_DEVBUF, M_NOWAIT|M_ZERO); 680 if (buffer == NULL) { 681 error = ENOMEM; 682 goto out; 683 } 684 685 error = mpt_read_extcfg_page(mpt, MPI_CONFIG_ACTION_PAGE_READ_CURRENT, 686 form + form_specific, &hdr, buffer, 687 sizeof(SasPhyPage0_t), 0, 10000); 688 if (error) { 689 free(buffer, M_DEVBUF); 690 goto out; 691 } 692 693 phy_info->hw_link_rate = buffer->HwLinkRate; 694 phy_info->programmed_link_rate = buffer->ProgrammedLinkRate; 695 phy_info->identify.dev_handle = le16toh(buffer->OwnerDevHandle); 696 phy_info->attached.dev_handle = le16toh(buffer->AttachedDevHandle); 697 698 free(buffer, M_DEVBUF); 699 out: 700 return (error); 701 } 702 703 static int 704 mptsas_sas_device_pg0(struct mpt_softc *mpt, struct mptsas_devinfo *device_info, 705 uint32_t form, uint32_t form_specific) 706 { 707 ConfigExtendedPageHeader_t hdr; 708 SasDevicePage0_t *buffer; 709 uint64_t sas_address; 710 int error = 0; 711 712 bzero(device_info, sizeof(*device_info)); 713 error = mpt_read_extcfg_header(mpt, MPI_SASDEVICE0_PAGEVERSION, 0, 0, 714 MPI_CONFIG_EXTPAGETYPE_SAS_DEVICE, 715 &hdr, 0, 10000); 716 if (error) 717 goto out; 718 if (hdr.ExtPageLength == 0) { 719 error = ENXIO; 720 goto out; 721 } 722 723 buffer = malloc(sizeof(SasDevicePage0_t), M_DEVBUF, M_NOWAIT|M_ZERO); 724 if (buffer == NULL) { 725 error = ENOMEM; 726 goto out; 727 } 728 729 error = mpt_read_extcfg_page(mpt, MPI_CONFIG_ACTION_PAGE_READ_CURRENT, 730 form + form_specific, &hdr, buffer, 731 sizeof(SasDevicePage0_t), 0, 10000); 732 if (error) { 733 free(buffer, M_DEVBUF); 734 goto out; 735 } 736 737 device_info->dev_handle = le16toh(buffer->DevHandle); 738 device_info->parent_dev_handle = le16toh(buffer->ParentDevHandle); 739 device_info->enclosure_handle = le16toh(buffer->EnclosureHandle); 740 device_info->slot = le16toh(buffer->Slot); 741 device_info->phy_num = buffer->PhyNum; 742 device_info->physical_port = buffer->PhysicalPort; 743 device_info->target_id = buffer->TargetID; 744 device_info->bus = buffer->Bus; 745 bcopy(&buffer->SASAddress, &sas_address, sizeof(uint64_t)); 746 device_info->sas_address = le64toh(sas_address); 747 device_info->device_info = le32toh(buffer->DeviceInfo); 748 749 free(buffer, M_DEVBUF); 750 out: 751 return (error); 752 } 753 754 /* 755 * Read SAS configuration information. Nothing to do yet. 756 */ 757 static int 758 mpt_read_config_info_sas(struct mpt_softc *mpt) 759 { 760 struct mptsas_portinfo *portinfo; 761 struct mptsas_phyinfo *phyinfo; 762 int error, i; 763 764 portinfo = malloc(sizeof(*portinfo), M_DEVBUF, M_NOWAIT|M_ZERO); 765 if (portinfo == NULL) 766 return (ENOMEM); 767 768 error = mptsas_sas_io_unit_pg0(mpt, portinfo); 769 if (error) { 770 free(portinfo, M_DEVBUF); 771 return (0); 772 } 773 774 for (i = 0; i < portinfo->num_phys; i++) { 775 phyinfo = &portinfo->phy_info[i]; 776 error = mptsas_sas_phy_pg0(mpt, phyinfo, 777 (MPI_SAS_PHY_PGAD_FORM_PHY_NUMBER << 778 MPI_SAS_PHY_PGAD_FORM_SHIFT), i); 779 if (error) 780 break; 781 error = mptsas_sas_device_pg0(mpt, &phyinfo->identify, 782 (MPI_SAS_DEVICE_PGAD_FORM_HANDLE << 783 MPI_SAS_DEVICE_PGAD_FORM_SHIFT), 784 phyinfo->handle); 785 if (error) 786 break; 787 phyinfo->identify.phy_num = phyinfo->phy_num = i; 788 if (phyinfo->attached.dev_handle) 789 error = mptsas_sas_device_pg0(mpt, 790 &phyinfo->attached, 791 (MPI_SAS_DEVICE_PGAD_FORM_HANDLE << 792 MPI_SAS_DEVICE_PGAD_FORM_SHIFT), 793 phyinfo->attached.dev_handle); 794 if (error) 795 break; 796 } 797 mpt->sas_portinfo = portinfo; 798 return (0); 799 } 800 801 static void 802 mptsas_set_sata_wc(struct mpt_softc *mpt, struct mptsas_devinfo *devinfo, 803 int enabled) 804 { 805 SataPassthroughRequest_t *pass; 806 request_t *req; 807 int error, status; 808 809 req = mpt_get_request(mpt, 0); 810 if (req == NULL) 811 return; 812 813 pass = req->req_vbuf; 814 bzero(pass, sizeof(SataPassthroughRequest_t)); 815 pass->Function = MPI_FUNCTION_SATA_PASSTHROUGH; 816 pass->TargetID = devinfo->target_id; 817 pass->Bus = devinfo->bus; 818 pass->PassthroughFlags = 0; 819 pass->ConnectionRate = MPI_SATA_PT_REQ_CONNECT_RATE_NEGOTIATED; 820 pass->DataLength = 0; 821 pass->MsgContext = htole32(req->index | sata_pass_handler_id); 822 pass->CommandFIS[0] = 0x27; 823 pass->CommandFIS[1] = 0x80; 824 pass->CommandFIS[2] = 0xef; 825 pass->CommandFIS[3] = (enabled) ? 0x02 : 0x82; 826 pass->CommandFIS[7] = 0x40; 827 pass->CommandFIS[15] = 0x08; 828 829 mpt_check_doorbell(mpt); 830 mpt_send_cmd(mpt, req); 831 error = mpt_wait_req(mpt, req, REQ_STATE_DONE, REQ_STATE_DONE, 0, 832 10 * 1000); 833 if (error) { 834 mpt_free_request(mpt, req); 835 printf("error %d sending passthrough\n", error); 836 return; 837 } 838 839 status = le16toh(req->IOCStatus); 840 if (status != MPI_IOCSTATUS_SUCCESS) { 841 mpt_free_request(mpt, req); 842 printf("IOCSTATUS %d\n", status); 843 return; 844 } 845 846 mpt_free_request(mpt, req); 847 } 848 849 /* 850 * Set SAS configuration information. Nothing to do yet. 851 */ 852 static int 853 mpt_set_initial_config_sas(struct mpt_softc *mpt) 854 { 855 struct mptsas_phyinfo *phyinfo; 856 int i; 857 858 if ((mpt_enable_sata_wc != -1) && (mpt->sas_portinfo != NULL)) { 859 for (i = 0; i < mpt->sas_portinfo->num_phys; i++) { 860 phyinfo = &mpt->sas_portinfo->phy_info[i]; 861 if (phyinfo->attached.dev_handle == 0) 862 continue; 863 if ((phyinfo->attached.device_info & 864 MPI_SAS_DEVICE_INFO_SATA_DEVICE) == 0) 865 continue; 866 if (bootverbose) 867 device_printf(mpt->dev, 868 "%sabling SATA WC on phy %d\n", 869 (mpt_enable_sata_wc) ? "En" : "Dis", i); 870 mptsas_set_sata_wc(mpt, &phyinfo->attached, 871 mpt_enable_sata_wc); 872 } 873 } 874 875 return (0); 876 } 877 878 static int 879 mpt_sata_pass_reply_handler(struct mpt_softc *mpt, request_t *req, 880 uint32_t reply_desc, MSG_DEFAULT_REPLY *reply_frame) 881 { 882 883 if (req != NULL) { 884 if (reply_frame != NULL) { 885 req->IOCStatus = le16toh(reply_frame->IOCStatus); 886 } 887 req->state &= ~REQ_STATE_QUEUED; 888 req->state |= REQ_STATE_DONE; 889 TAILQ_REMOVE(&mpt->request_pending_list, req, links); 890 if ((req->state & REQ_STATE_NEED_WAKEUP) != 0) { 891 wakeup(req); 892 } else if ((req->state & REQ_STATE_TIMEDOUT) != 0) { 893 /* 894 * Whew- we can free this request (late completion) 895 */ 896 mpt_free_request(mpt, req); 897 } 898 } 899 900 return (TRUE); 901 } 902 903 /* 904 * Read SCSI configuration information 905 */ 906 static int 907 mpt_read_config_info_spi(struct mpt_softc *mpt) 908 { 909 int rv, i; 910 911 rv = mpt_read_cfg_header(mpt, MPI_CONFIG_PAGETYPE_SCSI_PORT, 0, 0, 912 &mpt->mpt_port_page0.Header, FALSE, 5000); 913 if (rv) { 914 return (-1); 915 } 916 mpt_lprt(mpt, MPT_PRT_DEBUG, "SPI Port Page 0 Header: %x %x %x %x\n", 917 mpt->mpt_port_page0.Header.PageVersion, 918 mpt->mpt_port_page0.Header.PageLength, 919 mpt->mpt_port_page0.Header.PageNumber, 920 mpt->mpt_port_page0.Header.PageType); 921 922 rv = mpt_read_cfg_header(mpt, MPI_CONFIG_PAGETYPE_SCSI_PORT, 1, 0, 923 &mpt->mpt_port_page1.Header, FALSE, 5000); 924 if (rv) { 925 return (-1); 926 } 927 mpt_lprt(mpt, MPT_PRT_DEBUG, "SPI Port Page 1 Header: %x %x %x %x\n", 928 mpt->mpt_port_page1.Header.PageVersion, 929 mpt->mpt_port_page1.Header.PageLength, 930 mpt->mpt_port_page1.Header.PageNumber, 931 mpt->mpt_port_page1.Header.PageType); 932 933 rv = mpt_read_cfg_header(mpt, MPI_CONFIG_PAGETYPE_SCSI_PORT, 2, 0, 934 &mpt->mpt_port_page2.Header, FALSE, 5000); 935 if (rv) { 936 return (-1); 937 } 938 mpt_lprt(mpt, MPT_PRT_DEBUG, "SPI Port Page 2 Header: %x %x %x %x\n", 939 mpt->mpt_port_page2.Header.PageVersion, 940 mpt->mpt_port_page2.Header.PageLength, 941 mpt->mpt_port_page2.Header.PageNumber, 942 mpt->mpt_port_page2.Header.PageType); 943 944 for (i = 0; i < 16; i++) { 945 rv = mpt_read_cfg_header(mpt, MPI_CONFIG_PAGETYPE_SCSI_DEVICE, 946 0, i, &mpt->mpt_dev_page0[i].Header, FALSE, 5000); 947 if (rv) { 948 return (-1); 949 } 950 mpt_lprt(mpt, MPT_PRT_DEBUG, 951 "SPI Target %d Device Page 0 Header: %x %x %x %x\n", i, 952 mpt->mpt_dev_page0[i].Header.PageVersion, 953 mpt->mpt_dev_page0[i].Header.PageLength, 954 mpt->mpt_dev_page0[i].Header.PageNumber, 955 mpt->mpt_dev_page0[i].Header.PageType); 956 957 rv = mpt_read_cfg_header(mpt, MPI_CONFIG_PAGETYPE_SCSI_DEVICE, 958 1, i, &mpt->mpt_dev_page1[i].Header, FALSE, 5000); 959 if (rv) { 960 return (-1); 961 } 962 mpt_lprt(mpt, MPT_PRT_DEBUG, 963 "SPI Target %d Device Page 1 Header: %x %x %x %x\n", i, 964 mpt->mpt_dev_page1[i].Header.PageVersion, 965 mpt->mpt_dev_page1[i].Header.PageLength, 966 mpt->mpt_dev_page1[i].Header.PageNumber, 967 mpt->mpt_dev_page1[i].Header.PageType); 968 } 969 970 /* 971 * At this point, we don't *have* to fail. As long as we have 972 * valid config header information, we can (barely) lurch 973 * along. 974 */ 975 976 rv = mpt_read_cur_cfg_page(mpt, 0, &mpt->mpt_port_page0.Header, 977 sizeof(mpt->mpt_port_page0), FALSE, 5000); 978 if (rv) { 979 mpt_prt(mpt, "failed to read SPI Port Page 0\n"); 980 } else { 981 mpt2host_config_page_scsi_port_0(&mpt->mpt_port_page0); 982 mpt_lprt(mpt, MPT_PRT_NEGOTIATION, 983 "SPI Port Page 0: Capabilities %x PhysicalInterface %x\n", 984 mpt->mpt_port_page0.Capabilities, 985 mpt->mpt_port_page0.PhysicalInterface); 986 } 987 988 rv = mpt_read_cur_cfg_page(mpt, 0, &mpt->mpt_port_page1.Header, 989 sizeof(mpt->mpt_port_page1), FALSE, 5000); 990 if (rv) { 991 mpt_prt(mpt, "failed to read SPI Port Page 1\n"); 992 } else { 993 mpt2host_config_page_scsi_port_1(&mpt->mpt_port_page1); 994 mpt_lprt(mpt, MPT_PRT_DEBUG, 995 "SPI Port Page 1: Configuration %x OnBusTimerValue %x\n", 996 mpt->mpt_port_page1.Configuration, 997 mpt->mpt_port_page1.OnBusTimerValue); 998 } 999 1000 rv = mpt_read_cur_cfg_page(mpt, 0, &mpt->mpt_port_page2.Header, 1001 sizeof(mpt->mpt_port_page2), FALSE, 5000); 1002 if (rv) { 1003 mpt_prt(mpt, "failed to read SPI Port Page 2\n"); 1004 } else { 1005 mpt_lprt(mpt, MPT_PRT_NEGOTIATION, 1006 "Port Page 2: Flags %x Settings %x\n", 1007 mpt->mpt_port_page2.PortFlags, 1008 mpt->mpt_port_page2.PortSettings); 1009 mpt2host_config_page_scsi_port_2(&mpt->mpt_port_page2); 1010 for (i = 0; i < 16; i++) { 1011 mpt_lprt(mpt, MPT_PRT_NEGOTIATION, 1012 " Port Page 2 Tgt %d: timo %x SF %x Flags %x\n", 1013 i, mpt->mpt_port_page2.DeviceSettings[i].Timeout, 1014 mpt->mpt_port_page2.DeviceSettings[i].SyncFactor, 1015 mpt->mpt_port_page2.DeviceSettings[i].DeviceFlags); 1016 } 1017 } 1018 1019 for (i = 0; i < 16; i++) { 1020 rv = mpt_read_cur_cfg_page(mpt, i, 1021 &mpt->mpt_dev_page0[i].Header, sizeof(*mpt->mpt_dev_page0), 1022 FALSE, 5000); 1023 if (rv) { 1024 mpt_prt(mpt, 1025 "cannot read SPI Target %d Device Page 0\n", i); 1026 continue; 1027 } 1028 mpt2host_config_page_scsi_device_0(&mpt->mpt_dev_page0[i]); 1029 mpt_lprt(mpt, MPT_PRT_NEGOTIATION, 1030 "target %d page 0: Negotiated Params %x Information %x\n", 1031 i, mpt->mpt_dev_page0[i].NegotiatedParameters, 1032 mpt->mpt_dev_page0[i].Information); 1033 1034 rv = mpt_read_cur_cfg_page(mpt, i, 1035 &mpt->mpt_dev_page1[i].Header, sizeof(*mpt->mpt_dev_page1), 1036 FALSE, 5000); 1037 if (rv) { 1038 mpt_prt(mpt, 1039 "cannot read SPI Target %d Device Page 1\n", i); 1040 continue; 1041 } 1042 mpt2host_config_page_scsi_device_1(&mpt->mpt_dev_page1[i]); 1043 mpt_lprt(mpt, MPT_PRT_NEGOTIATION, 1044 "target %d page 1: Requested Params %x Configuration %x\n", 1045 i, mpt->mpt_dev_page1[i].RequestedParameters, 1046 mpt->mpt_dev_page1[i].Configuration); 1047 } 1048 return (0); 1049 } 1050 1051 /* 1052 * Validate SPI configuration information. 1053 * 1054 * In particular, validate SPI Port Page 1. 1055 */ 1056 static int 1057 mpt_set_initial_config_spi(struct mpt_softc *mpt) 1058 { 1059 int error, i, pp1val; 1060 1061 mpt->mpt_disc_enable = 0xff; 1062 mpt->mpt_tag_enable = 0; 1063 1064 pp1val = ((1 << mpt->mpt_ini_id) << 1065 MPI_SCSIPORTPAGE1_CFG_SHIFT_PORT_RESPONSE_ID) | mpt->mpt_ini_id; 1066 if (mpt->mpt_port_page1.Configuration != pp1val) { 1067 CONFIG_PAGE_SCSI_PORT_1 tmp; 1068 1069 mpt_prt(mpt, "SPI Port Page 1 Config value bad (%x)- should " 1070 "be %x\n", mpt->mpt_port_page1.Configuration, pp1val); 1071 tmp = mpt->mpt_port_page1; 1072 tmp.Configuration = pp1val; 1073 host2mpt_config_page_scsi_port_1(&tmp); 1074 error = mpt_write_cur_cfg_page(mpt, 0, 1075 &tmp.Header, sizeof(tmp), FALSE, 5000); 1076 if (error) { 1077 return (-1); 1078 } 1079 error = mpt_read_cur_cfg_page(mpt, 0, 1080 &tmp.Header, sizeof(tmp), FALSE, 5000); 1081 if (error) { 1082 return (-1); 1083 } 1084 mpt2host_config_page_scsi_port_1(&tmp); 1085 if (tmp.Configuration != pp1val) { 1086 mpt_prt(mpt, 1087 "failed to reset SPI Port Page 1 Config value\n"); 1088 return (-1); 1089 } 1090 mpt->mpt_port_page1 = tmp; 1091 } 1092 1093 /* 1094 * The purpose of this exercise is to get 1095 * all targets back to async/narrow. 1096 * 1097 * We skip this step if the BIOS has already negotiated 1098 * speeds with the targets. 1099 */ 1100 i = mpt->mpt_port_page2.PortSettings & 1101 MPI_SCSIPORTPAGE2_PORT_MASK_NEGO_MASTER_SETTINGS; 1102 if (i == MPI_SCSIPORTPAGE2_PORT_ALL_MASTER_SETTINGS) { 1103 mpt_lprt(mpt, MPT_PRT_NEGOTIATION, 1104 "honoring BIOS transfer negotiations\n"); 1105 } else { 1106 for (i = 0; i < 16; i++) { 1107 mpt->mpt_dev_page1[i].RequestedParameters = 0; 1108 mpt->mpt_dev_page1[i].Configuration = 0; 1109 (void) mpt_update_spi_config(mpt, i); 1110 } 1111 } 1112 return (0); 1113 } 1114 1115 static int 1116 mpt_cam_enable(struct mpt_softc *mpt) 1117 { 1118 int error; 1119 1120 MPT_LOCK(mpt); 1121 1122 error = EIO; 1123 if (mpt->is_fc) { 1124 if (mpt_read_config_info_fc(mpt)) { 1125 goto out; 1126 } 1127 if (mpt_set_initial_config_fc(mpt)) { 1128 goto out; 1129 } 1130 } else if (mpt->is_sas) { 1131 if (mpt_read_config_info_sas(mpt)) { 1132 goto out; 1133 } 1134 if (mpt_set_initial_config_sas(mpt)) { 1135 goto out; 1136 } 1137 } else if (mpt->is_spi) { 1138 if (mpt_read_config_info_spi(mpt)) { 1139 goto out; 1140 } 1141 if (mpt_set_initial_config_spi(mpt)) { 1142 goto out; 1143 } 1144 } 1145 error = 0; 1146 1147 out: 1148 MPT_UNLOCK(mpt); 1149 return (error); 1150 } 1151 1152 static void 1153 mpt_cam_ready(struct mpt_softc *mpt) 1154 { 1155 1156 /* 1157 * If we're in target mode, hang out resources now 1158 * so we don't cause the world to hang talking to us. 1159 */ 1160 if (mpt->is_fc && (mpt->role & MPT_ROLE_TARGET)) { 1161 /* 1162 * Try to add some target command resources 1163 */ 1164 MPT_LOCK(mpt); 1165 if (mpt_add_target_commands(mpt) == FALSE) { 1166 mpt_prt(mpt, "failed to add target commands\n"); 1167 } 1168 MPT_UNLOCK(mpt); 1169 } 1170 mpt->ready = 1; 1171 } 1172 1173 static void 1174 mpt_cam_detach(struct mpt_softc *mpt) 1175 { 1176 mpt_handler_t handler; 1177 1178 MPT_LOCK(mpt); 1179 mpt->ready = 0; 1180 mpt_terminate_recovery_thread(mpt); 1181 1182 handler.reply_handler = mpt_scsi_reply_handler; 1183 mpt_deregister_handler(mpt, MPT_HANDLER_REPLY, handler, 1184 scsi_io_handler_id); 1185 handler.reply_handler = mpt_scsi_tmf_reply_handler; 1186 mpt_deregister_handler(mpt, MPT_HANDLER_REPLY, handler, 1187 scsi_tmf_handler_id); 1188 handler.reply_handler = mpt_fc_els_reply_handler; 1189 mpt_deregister_handler(mpt, MPT_HANDLER_REPLY, handler, 1190 fc_els_handler_id); 1191 handler.reply_handler = mpt_scsi_tgt_reply_handler; 1192 mpt_deregister_handler(mpt, MPT_HANDLER_REPLY, handler, 1193 mpt->scsi_tgt_handler_id); 1194 handler.reply_handler = mpt_sata_pass_reply_handler; 1195 mpt_deregister_handler(mpt, MPT_HANDLER_REPLY, handler, 1196 sata_pass_handler_id); 1197 1198 if (mpt->tmf_req != NULL) { 1199 mpt->tmf_req->state = REQ_STATE_ALLOCATED; 1200 mpt_free_request(mpt, mpt->tmf_req); 1201 mpt->tmf_req = NULL; 1202 } 1203 if (mpt->sas_portinfo != NULL) { 1204 free(mpt->sas_portinfo, M_DEVBUF); 1205 mpt->sas_portinfo = NULL; 1206 } 1207 1208 if (mpt->sim != NULL) { 1209 xpt_free_path(mpt->path); 1210 xpt_bus_deregister(cam_sim_path(mpt->sim)); 1211 cam_sim_free(mpt->sim, TRUE); 1212 mpt->sim = NULL; 1213 } 1214 1215 if (mpt->phydisk_sim != NULL) { 1216 xpt_free_path(mpt->phydisk_path); 1217 xpt_bus_deregister(cam_sim_path(mpt->phydisk_sim)); 1218 cam_sim_free(mpt->phydisk_sim, TRUE); 1219 mpt->phydisk_sim = NULL; 1220 } 1221 MPT_UNLOCK(mpt); 1222 } 1223 1224 /* This routine is used after a system crash to dump core onto the swap device. 1225 */ 1226 static void 1227 mpt_poll(struct cam_sim *sim) 1228 { 1229 struct mpt_softc *mpt; 1230 1231 mpt = (struct mpt_softc *)cam_sim_softc(sim); 1232 mpt_intr(mpt); 1233 } 1234 1235 /* 1236 * Watchdog timeout routine for SCSI requests. 1237 */ 1238 static void 1239 mpt_timeout(void *arg) 1240 { 1241 union ccb *ccb; 1242 struct mpt_softc *mpt; 1243 request_t *req; 1244 1245 ccb = (union ccb *)arg; 1246 mpt = ccb->ccb_h.ccb_mpt_ptr; 1247 1248 MPT_LOCK_ASSERT(mpt); 1249 req = ccb->ccb_h.ccb_req_ptr; 1250 mpt_prt(mpt, "request %p:%u timed out for ccb %p (req->ccb %p)\n", req, 1251 req->serno, ccb, req->ccb); 1252 /* XXX: WHAT ARE WE TRYING TO DO HERE? */ 1253 if ((req->state & REQ_STATE_QUEUED) == REQ_STATE_QUEUED) { 1254 TAILQ_REMOVE(&mpt->request_pending_list, req, links); 1255 TAILQ_INSERT_TAIL(&mpt->request_timeout_list, req, links); 1256 req->state |= REQ_STATE_TIMEDOUT; 1257 mpt_wakeup_recovery_thread(mpt); 1258 } 1259 } 1260 1261 /* 1262 * Callback routine from bus_dmamap_load_ccb(9) or, in simple cases, called 1263 * directly. 1264 * 1265 * Takes a list of physical segments and builds the SGL for SCSI IO command 1266 * and forwards the commard to the IOC after one last check that CAM has not 1267 * aborted the transaction. 1268 */ 1269 static void 1270 mpt_execute_req_a64(void *arg, bus_dma_segment_t *dm_segs, int nseg, int error) 1271 { 1272 request_t *req, *trq; 1273 char *mpt_off; 1274 union ccb *ccb; 1275 struct mpt_softc *mpt; 1276 bus_addr_t chain_list_addr; 1277 int first_lim, seg, this_seg_lim; 1278 uint32_t addr, cur_off, flags, nxt_off, tf; 1279 void *sglp = NULL; 1280 MSG_REQUEST_HEADER *hdrp; 1281 SGE_SIMPLE64 *se; 1282 SGE_CHAIN64 *ce; 1283 int istgt = 0; 1284 1285 req = (request_t *)arg; 1286 ccb = req->ccb; 1287 1288 mpt = ccb->ccb_h.ccb_mpt_ptr; 1289 req = ccb->ccb_h.ccb_req_ptr; 1290 1291 hdrp = req->req_vbuf; 1292 mpt_off = req->req_vbuf; 1293 1294 if (error == 0 && ((uint32_t)nseg) >= mpt->max_seg_cnt) { 1295 error = EFBIG; 1296 } 1297 1298 if (error == 0) { 1299 switch (hdrp->Function) { 1300 case MPI_FUNCTION_SCSI_IO_REQUEST: 1301 case MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH: 1302 istgt = 0; 1303 sglp = &((PTR_MSG_SCSI_IO_REQUEST)hdrp)->SGL; 1304 break; 1305 case MPI_FUNCTION_TARGET_ASSIST: 1306 istgt = 1; 1307 sglp = &((PTR_MSG_TARGET_ASSIST_REQUEST)hdrp)->SGL; 1308 break; 1309 default: 1310 mpt_prt(mpt, "bad fct 0x%x in mpt_execute_req_a64\n", 1311 hdrp->Function); 1312 error = EINVAL; 1313 break; 1314 } 1315 } 1316 1317 if (error == 0 && ((uint32_t)nseg) >= mpt->max_seg_cnt) { 1318 error = EFBIG; 1319 mpt_prt(mpt, "segment count %d too large (max %u)\n", 1320 nseg, mpt->max_seg_cnt); 1321 } 1322 1323 bad: 1324 if (error != 0) { 1325 if (error != EFBIG && error != ENOMEM) { 1326 mpt_prt(mpt, "mpt_execute_req_a64: err %d\n", error); 1327 } 1328 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INPROG) { 1329 cam_status status; 1330 mpt_freeze_ccb(ccb); 1331 if (error == EFBIG) { 1332 status = CAM_REQ_TOO_BIG; 1333 } else if (error == ENOMEM) { 1334 if (mpt->outofbeer == 0) { 1335 mpt->outofbeer = 1; 1336 xpt_freeze_simq(mpt->sim, 1); 1337 mpt_lprt(mpt, MPT_PRT_DEBUG, 1338 "FREEZEQ\n"); 1339 } 1340 status = CAM_REQUEUE_REQ; 1341 } else { 1342 status = CAM_REQ_CMP_ERR; 1343 } 1344 mpt_set_ccb_status(ccb, status); 1345 } 1346 if (hdrp->Function == MPI_FUNCTION_TARGET_ASSIST) { 1347 request_t *cmd_req = 1348 MPT_TAG_2_REQ(mpt, ccb->csio.tag_id); 1349 MPT_TGT_STATE(mpt, cmd_req)->state = TGT_STATE_IN_CAM; 1350 MPT_TGT_STATE(mpt, cmd_req)->ccb = NULL; 1351 MPT_TGT_STATE(mpt, cmd_req)->req = NULL; 1352 } 1353 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 1354 KASSERT(ccb->ccb_h.status, ("zero ccb sts at %d", __LINE__)); 1355 xpt_done(ccb); 1356 mpt_free_request(mpt, req); 1357 return; 1358 } 1359 1360 /* 1361 * No data to transfer? 1362 * Just make a single simple SGL with zero length. 1363 */ 1364 1365 if (mpt->verbose >= MPT_PRT_DEBUG) { 1366 int tidx = ((char *)sglp) - mpt_off; 1367 memset(&mpt_off[tidx], 0xff, MPT_REQUEST_AREA - tidx); 1368 } 1369 1370 if (nseg == 0) { 1371 SGE_SIMPLE32 *se1 = (SGE_SIMPLE32 *) sglp; 1372 MPI_pSGE_SET_FLAGS(se1, 1373 (MPI_SGE_FLAGS_LAST_ELEMENT | MPI_SGE_FLAGS_END_OF_BUFFER | 1374 MPI_SGE_FLAGS_SIMPLE_ELEMENT | MPI_SGE_FLAGS_END_OF_LIST)); 1375 se1->FlagsLength = htole32(se1->FlagsLength); 1376 goto out; 1377 } 1378 1379 1380 flags = MPI_SGE_FLAGS_SIMPLE_ELEMENT | MPI_SGE_FLAGS_64_BIT_ADDRESSING; 1381 if (istgt == 0) { 1382 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_OUT) { 1383 flags |= MPI_SGE_FLAGS_HOST_TO_IOC; 1384 } 1385 } else { 1386 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 1387 flags |= MPI_SGE_FLAGS_HOST_TO_IOC; 1388 } 1389 } 1390 1391 if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) { 1392 bus_dmasync_op_t op; 1393 if (istgt == 0) { 1394 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 1395 op = BUS_DMASYNC_PREREAD; 1396 } else { 1397 op = BUS_DMASYNC_PREWRITE; 1398 } 1399 } else { 1400 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 1401 op = BUS_DMASYNC_PREWRITE; 1402 } else { 1403 op = BUS_DMASYNC_PREREAD; 1404 } 1405 } 1406 bus_dmamap_sync(mpt->buffer_dmat, req->dmap, op); 1407 } 1408 1409 /* 1410 * Okay, fill in what we can at the end of the command frame. 1411 * If we have up to MPT_NSGL_FIRST, we can fit them all into 1412 * the command frame. 1413 * 1414 * Otherwise, we fill up through MPT_NSGL_FIRST less one 1415 * SIMPLE64 pointers and start doing CHAIN64 entries after 1416 * that. 1417 */ 1418 1419 if (nseg < MPT_NSGL_FIRST(mpt)) { 1420 first_lim = nseg; 1421 } else { 1422 /* 1423 * Leave room for CHAIN element 1424 */ 1425 first_lim = MPT_NSGL_FIRST(mpt) - 1; 1426 } 1427 1428 se = (SGE_SIMPLE64 *) sglp; 1429 for (seg = 0; seg < first_lim; seg++, se++, dm_segs++) { 1430 tf = flags; 1431 memset(se, 0, sizeof (*se)); 1432 MPI_pSGE_SET_LENGTH(se, dm_segs->ds_len); 1433 se->Address.Low = htole32(dm_segs->ds_addr & 0xffffffff); 1434 if (sizeof(bus_addr_t) > 4) { 1435 addr = ((uint64_t)dm_segs->ds_addr) >> 32; 1436 /* SAS1078 36GB limitation WAR */ 1437 if (mpt->is_1078 && (((uint64_t)dm_segs->ds_addr + 1438 MPI_SGE_LENGTH(se->FlagsLength)) >> 32) == 9) { 1439 addr |= (1U << 31); 1440 tf |= MPI_SGE_FLAGS_LOCAL_ADDRESS; 1441 } 1442 se->Address.High = htole32(addr); 1443 } 1444 if (seg == first_lim - 1) { 1445 tf |= MPI_SGE_FLAGS_LAST_ELEMENT; 1446 } 1447 if (seg == nseg - 1) { 1448 tf |= MPI_SGE_FLAGS_END_OF_LIST | 1449 MPI_SGE_FLAGS_END_OF_BUFFER; 1450 } 1451 MPI_pSGE_SET_FLAGS(se, tf); 1452 se->FlagsLength = htole32(se->FlagsLength); 1453 } 1454 1455 if (seg == nseg) { 1456 goto out; 1457 } 1458 1459 /* 1460 * Tell the IOC where to find the first chain element. 1461 */ 1462 hdrp->ChainOffset = ((char *)se - (char *)hdrp) >> 2; 1463 nxt_off = MPT_RQSL(mpt); 1464 trq = req; 1465 1466 /* 1467 * Make up the rest of the data segments out of a chain element 1468 * (contained in the current request frame) which points to 1469 * SIMPLE64 elements in the next request frame, possibly ending 1470 * with *another* chain element (if there's more). 1471 */ 1472 while (seg < nseg) { 1473 /* 1474 * Point to the chain descriptor. Note that the chain 1475 * descriptor is at the end of the *previous* list (whether 1476 * chain or simple). 1477 */ 1478 ce = (SGE_CHAIN64 *) se; 1479 1480 /* 1481 * Before we change our current pointer, make sure we won't 1482 * overflow the request area with this frame. Note that we 1483 * test against 'greater than' here as it's okay in this case 1484 * to have next offset be just outside the request area. 1485 */ 1486 if ((nxt_off + MPT_RQSL(mpt)) > MPT_REQUEST_AREA) { 1487 nxt_off = MPT_REQUEST_AREA; 1488 goto next_chain; 1489 } 1490 1491 /* 1492 * Set our SGE element pointer to the beginning of the chain 1493 * list and update our next chain list offset. 1494 */ 1495 se = (SGE_SIMPLE64 *) &mpt_off[nxt_off]; 1496 cur_off = nxt_off; 1497 nxt_off += MPT_RQSL(mpt); 1498 1499 /* 1500 * Now initialize the chain descriptor. 1501 */ 1502 memset(ce, 0, sizeof (*ce)); 1503 1504 /* 1505 * Get the physical address of the chain list. 1506 */ 1507 chain_list_addr = trq->req_pbuf; 1508 chain_list_addr += cur_off; 1509 if (sizeof (bus_addr_t) > 4) { 1510 ce->Address.High = 1511 htole32(((uint64_t)chain_list_addr) >> 32); 1512 } 1513 ce->Address.Low = htole32(chain_list_addr & 0xffffffff); 1514 ce->Flags = MPI_SGE_FLAGS_CHAIN_ELEMENT | 1515 MPI_SGE_FLAGS_64_BIT_ADDRESSING; 1516 1517 /* 1518 * If we have more than a frame's worth of segments left, 1519 * set up the chain list to have the last element be another 1520 * chain descriptor. 1521 */ 1522 if ((nseg - seg) > MPT_NSGL(mpt)) { 1523 this_seg_lim = seg + MPT_NSGL(mpt) - 1; 1524 /* 1525 * The length of the chain is the length in bytes of the 1526 * number of segments plus the next chain element. 1527 * 1528 * The next chain descriptor offset is the length, 1529 * in words, of the number of segments. 1530 */ 1531 ce->Length = (this_seg_lim - seg) * 1532 sizeof (SGE_SIMPLE64); 1533 ce->NextChainOffset = ce->Length >> 2; 1534 ce->Length += sizeof (SGE_CHAIN64); 1535 } else { 1536 this_seg_lim = nseg; 1537 ce->Length = (this_seg_lim - seg) * 1538 sizeof (SGE_SIMPLE64); 1539 } 1540 ce->Length = htole16(ce->Length); 1541 1542 /* 1543 * Fill in the chain list SGE elements with our segment data. 1544 * 1545 * If we're the last element in this chain list, set the last 1546 * element flag. If we're the completely last element period, 1547 * set the end of list and end of buffer flags. 1548 */ 1549 while (seg < this_seg_lim) { 1550 tf = flags; 1551 memset(se, 0, sizeof (*se)); 1552 MPI_pSGE_SET_LENGTH(se, dm_segs->ds_len); 1553 se->Address.Low = htole32(dm_segs->ds_addr & 1554 0xffffffff); 1555 if (sizeof (bus_addr_t) > 4) { 1556 addr = ((uint64_t)dm_segs->ds_addr) >> 32; 1557 /* SAS1078 36GB limitation WAR */ 1558 if (mpt->is_1078 && 1559 (((uint64_t)dm_segs->ds_addr + 1560 MPI_SGE_LENGTH(se->FlagsLength)) >> 1561 32) == 9) { 1562 addr |= (1U << 31); 1563 tf |= MPI_SGE_FLAGS_LOCAL_ADDRESS; 1564 } 1565 se->Address.High = htole32(addr); 1566 } 1567 if (seg == this_seg_lim - 1) { 1568 tf |= MPI_SGE_FLAGS_LAST_ELEMENT; 1569 } 1570 if (seg == nseg - 1) { 1571 tf |= MPI_SGE_FLAGS_END_OF_LIST | 1572 MPI_SGE_FLAGS_END_OF_BUFFER; 1573 } 1574 MPI_pSGE_SET_FLAGS(se, tf); 1575 se->FlagsLength = htole32(se->FlagsLength); 1576 se++; 1577 seg++; 1578 dm_segs++; 1579 } 1580 1581 next_chain: 1582 /* 1583 * If we have more segments to do and we've used up all of 1584 * the space in a request area, go allocate another one 1585 * and chain to that. 1586 */ 1587 if (seg < nseg && nxt_off >= MPT_REQUEST_AREA) { 1588 request_t *nrq; 1589 1590 nrq = mpt_get_request(mpt, FALSE); 1591 1592 if (nrq == NULL) { 1593 error = ENOMEM; 1594 goto bad; 1595 } 1596 1597 /* 1598 * Append the new request area on the tail of our list. 1599 */ 1600 if ((trq = req->chain) == NULL) { 1601 req->chain = nrq; 1602 } else { 1603 while (trq->chain != NULL) { 1604 trq = trq->chain; 1605 } 1606 trq->chain = nrq; 1607 } 1608 trq = nrq; 1609 mpt_off = trq->req_vbuf; 1610 if (mpt->verbose >= MPT_PRT_DEBUG) { 1611 memset(mpt_off, 0xff, MPT_REQUEST_AREA); 1612 } 1613 nxt_off = 0; 1614 } 1615 } 1616 out: 1617 1618 /* 1619 * Last time we need to check if this CCB needs to be aborted. 1620 */ 1621 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_INPROG) { 1622 if (hdrp->Function == MPI_FUNCTION_TARGET_ASSIST) { 1623 request_t *cmd_req = 1624 MPT_TAG_2_REQ(mpt, ccb->csio.tag_id); 1625 MPT_TGT_STATE(mpt, cmd_req)->state = TGT_STATE_IN_CAM; 1626 MPT_TGT_STATE(mpt, cmd_req)->ccb = NULL; 1627 MPT_TGT_STATE(mpt, cmd_req)->req = NULL; 1628 } 1629 mpt_prt(mpt, 1630 "mpt_execute_req_a64: I/O cancelled (status 0x%x)\n", 1631 ccb->ccb_h.status & CAM_STATUS_MASK); 1632 if (nseg) { 1633 bus_dmamap_unload(mpt->buffer_dmat, req->dmap); 1634 } 1635 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 1636 KASSERT(ccb->ccb_h.status, ("zero ccb sts at %d", __LINE__)); 1637 xpt_done(ccb); 1638 mpt_free_request(mpt, req); 1639 return; 1640 } 1641 1642 ccb->ccb_h.status |= CAM_SIM_QUEUED; 1643 if (ccb->ccb_h.timeout != CAM_TIME_INFINITY) { 1644 mpt_req_timeout(req, SBT_1MS * ccb->ccb_h.timeout, 1645 mpt_timeout, ccb); 1646 } 1647 if (mpt->verbose > MPT_PRT_DEBUG) { 1648 int nc = 0; 1649 mpt_print_request(req->req_vbuf); 1650 for (trq = req->chain; trq; trq = trq->chain) { 1651 printf(" Additional Chain Area %d\n", nc++); 1652 mpt_dump_sgl(trq->req_vbuf, 0); 1653 } 1654 } 1655 1656 if (hdrp->Function == MPI_FUNCTION_TARGET_ASSIST) { 1657 request_t *cmd_req = MPT_TAG_2_REQ(mpt, ccb->csio.tag_id); 1658 mpt_tgt_state_t *tgt = MPT_TGT_STATE(mpt, cmd_req); 1659 #ifdef WE_TRUST_AUTO_GOOD_STATUS 1660 if ((ccb->ccb_h.flags & CAM_SEND_STATUS) && 1661 csio->scsi_status == SCSI_STATUS_OK && tgt->resid == 0) { 1662 tgt->state = TGT_STATE_MOVING_DATA_AND_STATUS; 1663 } else { 1664 tgt->state = TGT_STATE_MOVING_DATA; 1665 } 1666 #else 1667 tgt->state = TGT_STATE_MOVING_DATA; 1668 #endif 1669 } 1670 mpt_send_cmd(mpt, req); 1671 } 1672 1673 static void 1674 mpt_execute_req(void *arg, bus_dma_segment_t *dm_segs, int nseg, int error) 1675 { 1676 request_t *req, *trq; 1677 char *mpt_off; 1678 union ccb *ccb; 1679 struct mpt_softc *mpt; 1680 int seg, first_lim; 1681 uint32_t flags, nxt_off; 1682 void *sglp = NULL; 1683 MSG_REQUEST_HEADER *hdrp; 1684 SGE_SIMPLE32 *se; 1685 SGE_CHAIN32 *ce; 1686 int istgt = 0; 1687 1688 req = (request_t *)arg; 1689 ccb = req->ccb; 1690 1691 mpt = ccb->ccb_h.ccb_mpt_ptr; 1692 req = ccb->ccb_h.ccb_req_ptr; 1693 1694 hdrp = req->req_vbuf; 1695 mpt_off = req->req_vbuf; 1696 1697 if (error == 0 && ((uint32_t)nseg) >= mpt->max_seg_cnt) { 1698 error = EFBIG; 1699 } 1700 1701 if (error == 0) { 1702 switch (hdrp->Function) { 1703 case MPI_FUNCTION_SCSI_IO_REQUEST: 1704 case MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH: 1705 sglp = &((PTR_MSG_SCSI_IO_REQUEST)hdrp)->SGL; 1706 break; 1707 case MPI_FUNCTION_TARGET_ASSIST: 1708 istgt = 1; 1709 sglp = &((PTR_MSG_TARGET_ASSIST_REQUEST)hdrp)->SGL; 1710 break; 1711 default: 1712 mpt_prt(mpt, "bad fct 0x%x in mpt_execute_req\n", 1713 hdrp->Function); 1714 error = EINVAL; 1715 break; 1716 } 1717 } 1718 1719 if (error == 0 && ((uint32_t)nseg) >= mpt->max_seg_cnt) { 1720 error = EFBIG; 1721 mpt_prt(mpt, "segment count %d too large (max %u)\n", 1722 nseg, mpt->max_seg_cnt); 1723 } 1724 1725 bad: 1726 if (error != 0) { 1727 if (error != EFBIG && error != ENOMEM) { 1728 mpt_prt(mpt, "mpt_execute_req: err %d\n", error); 1729 } 1730 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INPROG) { 1731 cam_status status; 1732 mpt_freeze_ccb(ccb); 1733 if (error == EFBIG) { 1734 status = CAM_REQ_TOO_BIG; 1735 } else if (error == ENOMEM) { 1736 if (mpt->outofbeer == 0) { 1737 mpt->outofbeer = 1; 1738 xpt_freeze_simq(mpt->sim, 1); 1739 mpt_lprt(mpt, MPT_PRT_DEBUG, 1740 "FREEZEQ\n"); 1741 } 1742 status = CAM_REQUEUE_REQ; 1743 } else { 1744 status = CAM_REQ_CMP_ERR; 1745 } 1746 mpt_set_ccb_status(ccb, status); 1747 } 1748 if (hdrp->Function == MPI_FUNCTION_TARGET_ASSIST) { 1749 request_t *cmd_req = 1750 MPT_TAG_2_REQ(mpt, ccb->csio.tag_id); 1751 MPT_TGT_STATE(mpt, cmd_req)->state = TGT_STATE_IN_CAM; 1752 MPT_TGT_STATE(mpt, cmd_req)->ccb = NULL; 1753 MPT_TGT_STATE(mpt, cmd_req)->req = NULL; 1754 } 1755 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 1756 KASSERT(ccb->ccb_h.status, ("zero ccb sts at %d", __LINE__)); 1757 xpt_done(ccb); 1758 mpt_free_request(mpt, req); 1759 return; 1760 } 1761 1762 /* 1763 * No data to transfer? 1764 * Just make a single simple SGL with zero length. 1765 */ 1766 1767 if (mpt->verbose >= MPT_PRT_DEBUG) { 1768 int tidx = ((char *)sglp) - mpt_off; 1769 memset(&mpt_off[tidx], 0xff, MPT_REQUEST_AREA - tidx); 1770 } 1771 1772 if (nseg == 0) { 1773 SGE_SIMPLE32 *se1 = (SGE_SIMPLE32 *) sglp; 1774 MPI_pSGE_SET_FLAGS(se1, 1775 (MPI_SGE_FLAGS_LAST_ELEMENT | MPI_SGE_FLAGS_END_OF_BUFFER | 1776 MPI_SGE_FLAGS_SIMPLE_ELEMENT | MPI_SGE_FLAGS_END_OF_LIST)); 1777 se1->FlagsLength = htole32(se1->FlagsLength); 1778 goto out; 1779 } 1780 1781 1782 flags = MPI_SGE_FLAGS_SIMPLE_ELEMENT; 1783 if (istgt == 0) { 1784 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_OUT) { 1785 flags |= MPI_SGE_FLAGS_HOST_TO_IOC; 1786 } 1787 } else { 1788 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 1789 flags |= MPI_SGE_FLAGS_HOST_TO_IOC; 1790 } 1791 } 1792 1793 if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) { 1794 bus_dmasync_op_t op; 1795 if (istgt) { 1796 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 1797 op = BUS_DMASYNC_PREREAD; 1798 } else { 1799 op = BUS_DMASYNC_PREWRITE; 1800 } 1801 } else { 1802 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 1803 op = BUS_DMASYNC_PREWRITE; 1804 } else { 1805 op = BUS_DMASYNC_PREREAD; 1806 } 1807 } 1808 bus_dmamap_sync(mpt->buffer_dmat, req->dmap, op); 1809 } 1810 1811 /* 1812 * Okay, fill in what we can at the end of the command frame. 1813 * If we have up to MPT_NSGL_FIRST, we can fit them all into 1814 * the command frame. 1815 * 1816 * Otherwise, we fill up through MPT_NSGL_FIRST less one 1817 * SIMPLE32 pointers and start doing CHAIN32 entries after 1818 * that. 1819 */ 1820 1821 if (nseg < MPT_NSGL_FIRST(mpt)) { 1822 first_lim = nseg; 1823 } else { 1824 /* 1825 * Leave room for CHAIN element 1826 */ 1827 first_lim = MPT_NSGL_FIRST(mpt) - 1; 1828 } 1829 1830 se = (SGE_SIMPLE32 *) sglp; 1831 for (seg = 0; seg < first_lim; seg++, se++, dm_segs++) { 1832 uint32_t tf; 1833 1834 memset(se, 0,sizeof (*se)); 1835 se->Address = htole32(dm_segs->ds_addr); 1836 1837 MPI_pSGE_SET_LENGTH(se, dm_segs->ds_len); 1838 tf = flags; 1839 if (seg == first_lim - 1) { 1840 tf |= MPI_SGE_FLAGS_LAST_ELEMENT; 1841 } 1842 if (seg == nseg - 1) { 1843 tf |= MPI_SGE_FLAGS_END_OF_LIST | 1844 MPI_SGE_FLAGS_END_OF_BUFFER; 1845 } 1846 MPI_pSGE_SET_FLAGS(se, tf); 1847 se->FlagsLength = htole32(se->FlagsLength); 1848 } 1849 1850 if (seg == nseg) { 1851 goto out; 1852 } 1853 1854 /* 1855 * Tell the IOC where to find the first chain element. 1856 */ 1857 hdrp->ChainOffset = ((char *)se - (char *)hdrp) >> 2; 1858 nxt_off = MPT_RQSL(mpt); 1859 trq = req; 1860 1861 /* 1862 * Make up the rest of the data segments out of a chain element 1863 * (contained in the current request frame) which points to 1864 * SIMPLE32 elements in the next request frame, possibly ending 1865 * with *another* chain element (if there's more). 1866 */ 1867 while (seg < nseg) { 1868 int this_seg_lim; 1869 uint32_t tf, cur_off; 1870 bus_addr_t chain_list_addr; 1871 1872 /* 1873 * Point to the chain descriptor. Note that the chain 1874 * descriptor is at the end of the *previous* list (whether 1875 * chain or simple). 1876 */ 1877 ce = (SGE_CHAIN32 *) se; 1878 1879 /* 1880 * Before we change our current pointer, make sure we won't 1881 * overflow the request area with this frame. Note that we 1882 * test against 'greater than' here as it's okay in this case 1883 * to have next offset be just outside the request area. 1884 */ 1885 if ((nxt_off + MPT_RQSL(mpt)) > MPT_REQUEST_AREA) { 1886 nxt_off = MPT_REQUEST_AREA; 1887 goto next_chain; 1888 } 1889 1890 /* 1891 * Set our SGE element pointer to the beginning of the chain 1892 * list and update our next chain list offset. 1893 */ 1894 se = (SGE_SIMPLE32 *) &mpt_off[nxt_off]; 1895 cur_off = nxt_off; 1896 nxt_off += MPT_RQSL(mpt); 1897 1898 /* 1899 * Now initialize the chain descriptor. 1900 */ 1901 memset(ce, 0, sizeof (*ce)); 1902 1903 /* 1904 * Get the physical address of the chain list. 1905 */ 1906 chain_list_addr = trq->req_pbuf; 1907 chain_list_addr += cur_off; 1908 1909 1910 1911 ce->Address = htole32(chain_list_addr); 1912 ce->Flags = MPI_SGE_FLAGS_CHAIN_ELEMENT; 1913 1914 1915 /* 1916 * If we have more than a frame's worth of segments left, 1917 * set up the chain list to have the last element be another 1918 * chain descriptor. 1919 */ 1920 if ((nseg - seg) > MPT_NSGL(mpt)) { 1921 this_seg_lim = seg + MPT_NSGL(mpt) - 1; 1922 /* 1923 * The length of the chain is the length in bytes of the 1924 * number of segments plus the next chain element. 1925 * 1926 * The next chain descriptor offset is the length, 1927 * in words, of the number of segments. 1928 */ 1929 ce->Length = (this_seg_lim - seg) * 1930 sizeof (SGE_SIMPLE32); 1931 ce->NextChainOffset = ce->Length >> 2; 1932 ce->Length += sizeof (SGE_CHAIN32); 1933 } else { 1934 this_seg_lim = nseg; 1935 ce->Length = (this_seg_lim - seg) * 1936 sizeof (SGE_SIMPLE32); 1937 } 1938 ce->Length = htole16(ce->Length); 1939 1940 /* 1941 * Fill in the chain list SGE elements with our segment data. 1942 * 1943 * If we're the last element in this chain list, set the last 1944 * element flag. If we're the completely last element period, 1945 * set the end of list and end of buffer flags. 1946 */ 1947 while (seg < this_seg_lim) { 1948 memset(se, 0, sizeof (*se)); 1949 se->Address = htole32(dm_segs->ds_addr); 1950 1951 MPI_pSGE_SET_LENGTH(se, dm_segs->ds_len); 1952 tf = flags; 1953 if (seg == this_seg_lim - 1) { 1954 tf |= MPI_SGE_FLAGS_LAST_ELEMENT; 1955 } 1956 if (seg == nseg - 1) { 1957 tf |= MPI_SGE_FLAGS_END_OF_LIST | 1958 MPI_SGE_FLAGS_END_OF_BUFFER; 1959 } 1960 MPI_pSGE_SET_FLAGS(se, tf); 1961 se->FlagsLength = htole32(se->FlagsLength); 1962 se++; 1963 seg++; 1964 dm_segs++; 1965 } 1966 1967 next_chain: 1968 /* 1969 * If we have more segments to do and we've used up all of 1970 * the space in a request area, go allocate another one 1971 * and chain to that. 1972 */ 1973 if (seg < nseg && nxt_off >= MPT_REQUEST_AREA) { 1974 request_t *nrq; 1975 1976 nrq = mpt_get_request(mpt, FALSE); 1977 1978 if (nrq == NULL) { 1979 error = ENOMEM; 1980 goto bad; 1981 } 1982 1983 /* 1984 * Append the new request area on the tail of our list. 1985 */ 1986 if ((trq = req->chain) == NULL) { 1987 req->chain = nrq; 1988 } else { 1989 while (trq->chain != NULL) { 1990 trq = trq->chain; 1991 } 1992 trq->chain = nrq; 1993 } 1994 trq = nrq; 1995 mpt_off = trq->req_vbuf; 1996 if (mpt->verbose >= MPT_PRT_DEBUG) { 1997 memset(mpt_off, 0xff, MPT_REQUEST_AREA); 1998 } 1999 nxt_off = 0; 2000 } 2001 } 2002 out: 2003 2004 /* 2005 * Last time we need to check if this CCB needs to be aborted. 2006 */ 2007 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_INPROG) { 2008 if (hdrp->Function == MPI_FUNCTION_TARGET_ASSIST) { 2009 request_t *cmd_req = 2010 MPT_TAG_2_REQ(mpt, ccb->csio.tag_id); 2011 MPT_TGT_STATE(mpt, cmd_req)->state = TGT_STATE_IN_CAM; 2012 MPT_TGT_STATE(mpt, cmd_req)->ccb = NULL; 2013 MPT_TGT_STATE(mpt, cmd_req)->req = NULL; 2014 } 2015 mpt_prt(mpt, 2016 "mpt_execute_req: I/O cancelled (status 0x%x)\n", 2017 ccb->ccb_h.status & CAM_STATUS_MASK); 2018 if (nseg) { 2019 bus_dmamap_unload(mpt->buffer_dmat, req->dmap); 2020 } 2021 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 2022 KASSERT(ccb->ccb_h.status, ("zero ccb sts at %d", __LINE__)); 2023 xpt_done(ccb); 2024 mpt_free_request(mpt, req); 2025 return; 2026 } 2027 2028 ccb->ccb_h.status |= CAM_SIM_QUEUED; 2029 if (ccb->ccb_h.timeout != CAM_TIME_INFINITY) { 2030 mpt_req_timeout(req, SBT_1MS * ccb->ccb_h.timeout, 2031 mpt_timeout, ccb); 2032 } 2033 if (mpt->verbose > MPT_PRT_DEBUG) { 2034 int nc = 0; 2035 mpt_print_request(req->req_vbuf); 2036 for (trq = req->chain; trq; trq = trq->chain) { 2037 printf(" Additional Chain Area %d\n", nc++); 2038 mpt_dump_sgl(trq->req_vbuf, 0); 2039 } 2040 } 2041 2042 if (hdrp->Function == MPI_FUNCTION_TARGET_ASSIST) { 2043 request_t *cmd_req = MPT_TAG_2_REQ(mpt, ccb->csio.tag_id); 2044 mpt_tgt_state_t *tgt = MPT_TGT_STATE(mpt, cmd_req); 2045 #ifdef WE_TRUST_AUTO_GOOD_STATUS 2046 if ((ccb->ccb_h.flags & CAM_SEND_STATUS) && 2047 csio->scsi_status == SCSI_STATUS_OK && tgt->resid == 0) { 2048 tgt->state = TGT_STATE_MOVING_DATA_AND_STATUS; 2049 } else { 2050 tgt->state = TGT_STATE_MOVING_DATA; 2051 } 2052 #else 2053 tgt->state = TGT_STATE_MOVING_DATA; 2054 #endif 2055 } 2056 mpt_send_cmd(mpt, req); 2057 } 2058 2059 static void 2060 mpt_start(struct cam_sim *sim, union ccb *ccb) 2061 { 2062 request_t *req; 2063 struct mpt_softc *mpt; 2064 MSG_SCSI_IO_REQUEST *mpt_req; 2065 struct ccb_scsiio *csio = &ccb->csio; 2066 struct ccb_hdr *ccbh = &ccb->ccb_h; 2067 bus_dmamap_callback_t *cb; 2068 target_id_t tgt; 2069 int raid_passthru; 2070 int error; 2071 2072 /* Get the pointer for the physical addapter */ 2073 mpt = ccb->ccb_h.ccb_mpt_ptr; 2074 raid_passthru = (sim == mpt->phydisk_sim); 2075 2076 if ((req = mpt_get_request(mpt, FALSE)) == NULL) { 2077 if (mpt->outofbeer == 0) { 2078 mpt->outofbeer = 1; 2079 xpt_freeze_simq(mpt->sim, 1); 2080 mpt_lprt(mpt, MPT_PRT_DEBUG, "FREEZEQ\n"); 2081 } 2082 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 2083 mpt_set_ccb_status(ccb, CAM_REQUEUE_REQ); 2084 xpt_done(ccb); 2085 return; 2086 } 2087 #ifdef INVARIANTS 2088 mpt_req_not_spcl(mpt, req, "mpt_start", __LINE__); 2089 #endif 2090 2091 if (sizeof (bus_addr_t) > 4) { 2092 cb = mpt_execute_req_a64; 2093 } else { 2094 cb = mpt_execute_req; 2095 } 2096 2097 /* 2098 * Link the ccb and the request structure so we can find 2099 * the other knowing either the request or the ccb 2100 */ 2101 req->ccb = ccb; 2102 ccb->ccb_h.ccb_req_ptr = req; 2103 2104 /* Now we build the command for the IOC */ 2105 mpt_req = req->req_vbuf; 2106 memset(mpt_req, 0, sizeof (MSG_SCSI_IO_REQUEST)); 2107 2108 mpt_req->Function = MPI_FUNCTION_SCSI_IO_REQUEST; 2109 if (raid_passthru) { 2110 mpt_req->Function = MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH; 2111 if (mpt_map_physdisk(mpt, ccb, &tgt) != 0) { 2112 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 2113 mpt_set_ccb_status(ccb, CAM_DEV_NOT_THERE); 2114 xpt_done(ccb); 2115 return; 2116 } 2117 mpt_req->Bus = 0; /* we never set bus here */ 2118 } else { 2119 tgt = ccb->ccb_h.target_id; 2120 mpt_req->Bus = 0; /* XXX */ 2121 2122 } 2123 mpt_req->SenseBufferLength = 2124 (csio->sense_len < MPT_SENSE_SIZE) ? 2125 csio->sense_len : MPT_SENSE_SIZE; 2126 2127 /* 2128 * We use the message context to find the request structure when we 2129 * Get the command completion interrupt from the IOC. 2130 */ 2131 mpt_req->MsgContext = htole32(req->index | scsi_io_handler_id); 2132 2133 /* Which physical device to do the I/O on */ 2134 mpt_req->TargetID = tgt; 2135 2136 be64enc(mpt_req->LUN, CAM_EXTLUN_BYTE_SWIZZLE(ccb->ccb_h.target_lun)); 2137 2138 /* Set the direction of the transfer */ 2139 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 2140 mpt_req->Control = MPI_SCSIIO_CONTROL_READ; 2141 } else if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_OUT) { 2142 mpt_req->Control = MPI_SCSIIO_CONTROL_WRITE; 2143 } else { 2144 mpt_req->Control = MPI_SCSIIO_CONTROL_NODATATRANSFER; 2145 } 2146 2147 if ((ccb->ccb_h.flags & CAM_TAG_ACTION_VALID) != 0) { 2148 switch(ccb->csio.tag_action) { 2149 case MSG_HEAD_OF_Q_TAG: 2150 mpt_req->Control |= MPI_SCSIIO_CONTROL_HEADOFQ; 2151 break; 2152 case MSG_ACA_TASK: 2153 mpt_req->Control |= MPI_SCSIIO_CONTROL_ACAQ; 2154 break; 2155 case MSG_ORDERED_Q_TAG: 2156 mpt_req->Control |= MPI_SCSIIO_CONTROL_ORDEREDQ; 2157 break; 2158 case MSG_SIMPLE_Q_TAG: 2159 default: 2160 mpt_req->Control |= MPI_SCSIIO_CONTROL_SIMPLEQ; 2161 break; 2162 } 2163 } else { 2164 if (mpt->is_fc || mpt->is_sas) { 2165 mpt_req->Control |= MPI_SCSIIO_CONTROL_SIMPLEQ; 2166 } else { 2167 /* XXX No such thing for a target doing packetized. */ 2168 mpt_req->Control |= MPI_SCSIIO_CONTROL_UNTAGGED; 2169 } 2170 } 2171 2172 if (mpt->is_spi) { 2173 if (ccb->ccb_h.flags & CAM_DIS_DISCONNECT) { 2174 mpt_req->Control |= MPI_SCSIIO_CONTROL_NO_DISCONNECT; 2175 } 2176 } 2177 mpt_req->Control = htole32(mpt_req->Control); 2178 2179 /* Copy the scsi command block into place */ 2180 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0) { 2181 bcopy(csio->cdb_io.cdb_ptr, mpt_req->CDB, csio->cdb_len); 2182 } else { 2183 bcopy(csio->cdb_io.cdb_bytes, mpt_req->CDB, csio->cdb_len); 2184 } 2185 2186 mpt_req->CDBLength = csio->cdb_len; 2187 mpt_req->DataLength = htole32(csio->dxfer_len); 2188 mpt_req->SenseBufferLowAddr = htole32(req->sense_pbuf); 2189 2190 /* 2191 * Do a *short* print here if we're set to MPT_PRT_DEBUG 2192 */ 2193 if (mpt->verbose == MPT_PRT_DEBUG) { 2194 U32 df; 2195 mpt_prt(mpt, "mpt_start: %s op 0x%x ", 2196 (mpt_req->Function == MPI_FUNCTION_SCSI_IO_REQUEST)? 2197 "SCSI_IO_REQUEST" : "SCSI_IO_PASSTHRU", mpt_req->CDB[0]); 2198 df = mpt_req->Control & MPI_SCSIIO_CONTROL_DATADIRECTION_MASK; 2199 if (df != MPI_SCSIIO_CONTROL_NODATATRANSFER) { 2200 mpt_prtc(mpt, "(%s %u byte%s ", 2201 (df == MPI_SCSIIO_CONTROL_READ)? 2202 "read" : "write", csio->dxfer_len, 2203 (csio->dxfer_len == 1)? ")" : "s)"); 2204 } 2205 mpt_prtc(mpt, "tgt %u lun %jx req %p:%u\n", tgt, 2206 (uintmax_t)ccb->ccb_h.target_lun, req, req->serno); 2207 } 2208 2209 error = bus_dmamap_load_ccb(mpt->buffer_dmat, req->dmap, ccb, cb, 2210 req, 0); 2211 if (error == EINPROGRESS) { 2212 /* 2213 * So as to maintain ordering, freeze the controller queue 2214 * until our mapping is returned. 2215 */ 2216 xpt_freeze_simq(mpt->sim, 1); 2217 ccbh->status |= CAM_RELEASE_SIMQ; 2218 } 2219 } 2220 2221 static int 2222 mpt_bus_reset(struct mpt_softc *mpt, target_id_t tgt, lun_id_t lun, 2223 int sleep_ok) 2224 { 2225 int error; 2226 uint16_t status; 2227 uint8_t response; 2228 2229 error = mpt_scsi_send_tmf(mpt, 2230 (tgt != CAM_TARGET_WILDCARD || lun != CAM_LUN_WILDCARD) ? 2231 MPI_SCSITASKMGMT_TASKTYPE_TARGET_RESET : 2232 MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS, 2233 mpt->is_fc ? MPI_SCSITASKMGMT_MSGFLAGS_LIP_RESET_OPTION : 0, 2234 0, /* XXX How do I get the channel ID? */ 2235 tgt != CAM_TARGET_WILDCARD ? tgt : 0, 2236 lun != CAM_LUN_WILDCARD ? lun : 0, 2237 0, sleep_ok); 2238 2239 if (error != 0) { 2240 /* 2241 * mpt_scsi_send_tmf hard resets on failure, so no 2242 * need to do so here. 2243 */ 2244 mpt_prt(mpt, 2245 "mpt_bus_reset: mpt_scsi_send_tmf returned %d\n", error); 2246 return (EIO); 2247 } 2248 2249 /* Wait for bus reset to be processed by the IOC. */ 2250 error = mpt_wait_req(mpt, mpt->tmf_req, REQ_STATE_DONE, 2251 REQ_STATE_DONE, sleep_ok, 5000); 2252 2253 status = le16toh(mpt->tmf_req->IOCStatus); 2254 response = mpt->tmf_req->ResponseCode; 2255 mpt->tmf_req->state = REQ_STATE_FREE; 2256 2257 if (error) { 2258 mpt_prt(mpt, "mpt_bus_reset: Reset timed-out. " 2259 "Resetting controller.\n"); 2260 mpt_reset(mpt, TRUE); 2261 return (ETIMEDOUT); 2262 } 2263 2264 if ((status & MPI_IOCSTATUS_MASK) != MPI_IOCSTATUS_SUCCESS) { 2265 mpt_prt(mpt, "mpt_bus_reset: TMF IOC Status 0x%x. " 2266 "Resetting controller.\n", status); 2267 mpt_reset(mpt, TRUE); 2268 return (EIO); 2269 } 2270 2271 if (response != MPI_SCSITASKMGMT_RSP_TM_SUCCEEDED && 2272 response != MPI_SCSITASKMGMT_RSP_TM_COMPLETE) { 2273 mpt_prt(mpt, "mpt_bus_reset: TMF Response 0x%x. " 2274 "Resetting controller.\n", response); 2275 mpt_reset(mpt, TRUE); 2276 return (EIO); 2277 } 2278 return (0); 2279 } 2280 2281 static int 2282 mpt_fc_reset_link(struct mpt_softc *mpt, int dowait) 2283 { 2284 int r = 0; 2285 request_t *req; 2286 PTR_MSG_FC_PRIMITIVE_SEND_REQUEST fc; 2287 2288 req = mpt_get_request(mpt, FALSE); 2289 if (req == NULL) { 2290 return (ENOMEM); 2291 } 2292 fc = req->req_vbuf; 2293 memset(fc, 0, sizeof(*fc)); 2294 fc->SendFlags = MPI_FC_PRIM_SEND_FLAGS_RESET_LINK; 2295 fc->Function = MPI_FUNCTION_FC_PRIMITIVE_SEND; 2296 fc->MsgContext = htole32(req->index | fc_els_handler_id); 2297 mpt_send_cmd(mpt, req); 2298 if (dowait) { 2299 r = mpt_wait_req(mpt, req, REQ_STATE_DONE, 2300 REQ_STATE_DONE, FALSE, 60 * 1000); 2301 if (r == 0) { 2302 mpt_free_request(mpt, req); 2303 } 2304 } 2305 return (r); 2306 } 2307 2308 static int 2309 mpt_cam_event(struct mpt_softc *mpt, request_t *req, 2310 MSG_EVENT_NOTIFY_REPLY *msg) 2311 { 2312 uint32_t data0, data1; 2313 2314 data0 = le32toh(msg->Data[0]); 2315 data1 = le32toh(msg->Data[1]); 2316 switch(msg->Event & 0xFF) { 2317 case MPI_EVENT_UNIT_ATTENTION: 2318 mpt_prt(mpt, "UNIT ATTENTION: Bus: 0x%02x TargetID: 0x%02x\n", 2319 (data0 >> 8) & 0xff, data0 & 0xff); 2320 break; 2321 2322 case MPI_EVENT_IOC_BUS_RESET: 2323 /* We generated a bus reset */ 2324 mpt_prt(mpt, "IOC Generated Bus Reset Port: %d\n", 2325 (data0 >> 8) & 0xff); 2326 xpt_async(AC_BUS_RESET, mpt->path, NULL); 2327 break; 2328 2329 case MPI_EVENT_EXT_BUS_RESET: 2330 /* Someone else generated a bus reset */ 2331 mpt_prt(mpt, "External Bus Reset Detected\n"); 2332 /* 2333 * These replies don't return EventData like the MPI 2334 * spec says they do 2335 */ 2336 xpt_async(AC_BUS_RESET, mpt->path, NULL); 2337 break; 2338 2339 case MPI_EVENT_RESCAN: 2340 { 2341 union ccb *ccb; 2342 uint32_t pathid; 2343 /* 2344 * In general this means a device has been added to the loop. 2345 */ 2346 mpt_prt(mpt, "Rescan Port: %d\n", (data0 >> 8) & 0xff); 2347 if (mpt->ready == 0) { 2348 break; 2349 } 2350 if (mpt->phydisk_sim) { 2351 pathid = cam_sim_path(mpt->phydisk_sim); 2352 } else { 2353 pathid = cam_sim_path(mpt->sim); 2354 } 2355 /* 2356 * Allocate a CCB, create a wildcard path for this bus, 2357 * and schedule a rescan. 2358 */ 2359 ccb = xpt_alloc_ccb_nowait(); 2360 if (ccb == NULL) { 2361 mpt_prt(mpt, "unable to alloc CCB for rescan\n"); 2362 break; 2363 } 2364 2365 if (xpt_create_path(&ccb->ccb_h.path, NULL, pathid, 2366 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 2367 mpt_prt(mpt, "unable to create path for rescan\n"); 2368 xpt_free_ccb(ccb); 2369 break; 2370 } 2371 xpt_rescan(ccb); 2372 break; 2373 } 2374 2375 case MPI_EVENT_LINK_STATUS_CHANGE: 2376 mpt_prt(mpt, "Port %d: LinkState: %s\n", 2377 (data1 >> 8) & 0xff, 2378 ((data0 & 0xff) == 0)? "Failed" : "Active"); 2379 break; 2380 2381 case MPI_EVENT_LOOP_STATE_CHANGE: 2382 switch ((data0 >> 16) & 0xff) { 2383 case 0x01: 2384 mpt_prt(mpt, 2385 "Port 0x%x: FC LinkEvent: LIP(%02x,%02x) " 2386 "(Loop Initialization)\n", 2387 (data1 >> 8) & 0xff, 2388 (data0 >> 8) & 0xff, 2389 (data0 ) & 0xff); 2390 switch ((data0 >> 8) & 0xff) { 2391 case 0xF7: 2392 if ((data0 & 0xff) == 0xF7) { 2393 mpt_prt(mpt, "Device needs AL_PA\n"); 2394 } else { 2395 mpt_prt(mpt, "Device %02x doesn't like " 2396 "FC performance\n", 2397 data0 & 0xFF); 2398 } 2399 break; 2400 case 0xF8: 2401 if ((data0 & 0xff) == 0xF7) { 2402 mpt_prt(mpt, "Device had loop failure " 2403 "at its receiver prior to acquiring" 2404 " AL_PA\n"); 2405 } else { 2406 mpt_prt(mpt, "Device %02x detected loop" 2407 " failure at its receiver\n", 2408 data0 & 0xFF); 2409 } 2410 break; 2411 default: 2412 mpt_prt(mpt, "Device %02x requests that device " 2413 "%02x reset itself\n", 2414 data0 & 0xFF, 2415 (data0 >> 8) & 0xFF); 2416 break; 2417 } 2418 break; 2419 case 0x02: 2420 mpt_prt(mpt, "Port 0x%x: FC LinkEvent: " 2421 "LPE(%02x,%02x) (Loop Port Enable)\n", 2422 (data1 >> 8) & 0xff, /* Port */ 2423 (data0 >> 8) & 0xff, /* Character 3 */ 2424 (data0 ) & 0xff /* Character 4 */); 2425 break; 2426 case 0x03: 2427 mpt_prt(mpt, "Port 0x%x: FC LinkEvent: " 2428 "LPB(%02x,%02x) (Loop Port Bypass)\n", 2429 (data1 >> 8) & 0xff, /* Port */ 2430 (data0 >> 8) & 0xff, /* Character 3 */ 2431 (data0 ) & 0xff /* Character 4 */); 2432 break; 2433 default: 2434 mpt_prt(mpt, "Port 0x%x: FC LinkEvent: Unknown " 2435 "FC event (%02x %02x %02x)\n", 2436 (data1 >> 8) & 0xff, /* Port */ 2437 (data0 >> 16) & 0xff, /* Event */ 2438 (data0 >> 8) & 0xff, /* Character 3 */ 2439 (data0 ) & 0xff /* Character 4 */); 2440 } 2441 break; 2442 2443 case MPI_EVENT_LOGOUT: 2444 mpt_prt(mpt, "FC Logout Port: %d N_PortID: %02x\n", 2445 (data1 >> 8) & 0xff, data0); 2446 break; 2447 case MPI_EVENT_QUEUE_FULL: 2448 { 2449 struct cam_sim *sim; 2450 struct cam_path *tmppath; 2451 struct ccb_relsim crs; 2452 PTR_EVENT_DATA_QUEUE_FULL pqf; 2453 lun_id_t lun_id; 2454 2455 pqf = (PTR_EVENT_DATA_QUEUE_FULL)msg->Data; 2456 pqf->CurrentDepth = le16toh(pqf->CurrentDepth); 2457 if (bootverbose) { 2458 mpt_prt(mpt, "QUEUE FULL EVENT: Bus 0x%02x Target 0x%02x " 2459 "Depth %d\n", 2460 pqf->Bus, pqf->TargetID, pqf->CurrentDepth); 2461 } 2462 if (mpt->phydisk_sim && mpt_is_raid_member(mpt, 2463 pqf->TargetID) != 0) { 2464 sim = mpt->phydisk_sim; 2465 } else { 2466 sim = mpt->sim; 2467 } 2468 for (lun_id = 0; lun_id < MPT_MAX_LUNS; lun_id++) { 2469 if (xpt_create_path(&tmppath, NULL, cam_sim_path(sim), 2470 pqf->TargetID, lun_id) != CAM_REQ_CMP) { 2471 mpt_prt(mpt, "unable to create a path to send " 2472 "XPT_REL_SIMQ"); 2473 break; 2474 } 2475 xpt_setup_ccb(&crs.ccb_h, tmppath, 5); 2476 crs.ccb_h.func_code = XPT_REL_SIMQ; 2477 crs.ccb_h.flags = CAM_DEV_QFREEZE; 2478 crs.release_flags = RELSIM_ADJUST_OPENINGS; 2479 crs.openings = pqf->CurrentDepth - 1; 2480 xpt_action((union ccb *)&crs); 2481 if (crs.ccb_h.status != CAM_REQ_CMP) { 2482 mpt_prt(mpt, "XPT_REL_SIMQ failed\n"); 2483 } 2484 xpt_free_path(tmppath); 2485 } 2486 break; 2487 } 2488 case MPI_EVENT_IR_RESYNC_UPDATE: 2489 mpt_prt(mpt, "IR resync update %d completed\n", 2490 (data0 >> 16) & 0xff); 2491 break; 2492 case MPI_EVENT_SAS_DEVICE_STATUS_CHANGE: 2493 { 2494 union ccb *ccb; 2495 struct cam_sim *sim; 2496 struct cam_path *tmppath; 2497 PTR_EVENT_DATA_SAS_DEVICE_STATUS_CHANGE psdsc; 2498 2499 psdsc = (PTR_EVENT_DATA_SAS_DEVICE_STATUS_CHANGE)msg->Data; 2500 if (mpt->phydisk_sim && mpt_is_raid_member(mpt, 2501 psdsc->TargetID) != 0) 2502 sim = mpt->phydisk_sim; 2503 else 2504 sim = mpt->sim; 2505 switch(psdsc->ReasonCode) { 2506 case MPI_EVENT_SAS_DEV_STAT_RC_ADDED: 2507 ccb = xpt_alloc_ccb_nowait(); 2508 if (ccb == NULL) { 2509 mpt_prt(mpt, 2510 "unable to alloc CCB for rescan\n"); 2511 break; 2512 } 2513 if (xpt_create_path(&ccb->ccb_h.path, NULL, 2514 cam_sim_path(sim), psdsc->TargetID, 2515 CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 2516 mpt_prt(mpt, 2517 "unable to create path for rescan\n"); 2518 xpt_free_ccb(ccb); 2519 break; 2520 } 2521 xpt_rescan(ccb); 2522 break; 2523 case MPI_EVENT_SAS_DEV_STAT_RC_NOT_RESPONDING: 2524 if (xpt_create_path(&tmppath, NULL, cam_sim_path(sim), 2525 psdsc->TargetID, CAM_LUN_WILDCARD) != 2526 CAM_REQ_CMP) { 2527 mpt_prt(mpt, 2528 "unable to create path for async event"); 2529 break; 2530 } 2531 xpt_async(AC_LOST_DEVICE, tmppath, NULL); 2532 xpt_free_path(tmppath); 2533 break; 2534 case MPI_EVENT_SAS_DEV_STAT_RC_CMPL_INTERNAL_DEV_RESET: 2535 case MPI_EVENT_SAS_DEV_STAT_RC_CMPL_TASK_ABORT_INTERNAL: 2536 case MPI_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET: 2537 break; 2538 default: 2539 mpt_lprt(mpt, MPT_PRT_WARN, 2540 "SAS device status change: Bus: 0x%02x TargetID: " 2541 "0x%02x ReasonCode: 0x%02x\n", psdsc->Bus, 2542 psdsc->TargetID, psdsc->ReasonCode); 2543 break; 2544 } 2545 break; 2546 } 2547 case MPI_EVENT_SAS_DISCOVERY_ERROR: 2548 { 2549 PTR_EVENT_DATA_DISCOVERY_ERROR pde; 2550 2551 pde = (PTR_EVENT_DATA_DISCOVERY_ERROR)msg->Data; 2552 pde->DiscoveryStatus = le32toh(pde->DiscoveryStatus); 2553 mpt_lprt(mpt, MPT_PRT_WARN, 2554 "SAS discovery error: Port: 0x%02x Status: 0x%08x\n", 2555 pde->Port, pde->DiscoveryStatus); 2556 break; 2557 } 2558 case MPI_EVENT_EVENT_CHANGE: 2559 case MPI_EVENT_INTEGRATED_RAID: 2560 case MPI_EVENT_IR2: 2561 case MPI_EVENT_LOG_ENTRY_ADDED: 2562 case MPI_EVENT_SAS_DISCOVERY: 2563 case MPI_EVENT_SAS_PHY_LINK_STATUS: 2564 case MPI_EVENT_SAS_SES: 2565 break; 2566 default: 2567 mpt_lprt(mpt, MPT_PRT_WARN, "mpt_cam_event: 0x%x\n", 2568 msg->Event & 0xFF); 2569 return (0); 2570 } 2571 return (1); 2572 } 2573 2574 /* 2575 * Reply path for all SCSI I/O requests, called from our 2576 * interrupt handler by extracting our handler index from 2577 * the MsgContext field of the reply from the IOC. 2578 * 2579 * This routine is optimized for the common case of a 2580 * completion without error. All exception handling is 2581 * offloaded to non-inlined helper routines to minimize 2582 * cache footprint. 2583 */ 2584 static int 2585 mpt_scsi_reply_handler(struct mpt_softc *mpt, request_t *req, 2586 uint32_t reply_desc, MSG_DEFAULT_REPLY *reply_frame) 2587 { 2588 MSG_SCSI_IO_REQUEST *scsi_req; 2589 union ccb *ccb; 2590 2591 if (req->state == REQ_STATE_FREE) { 2592 mpt_prt(mpt, "mpt_scsi_reply_handler: req already free\n"); 2593 return (TRUE); 2594 } 2595 2596 scsi_req = (MSG_SCSI_IO_REQUEST *)req->req_vbuf; 2597 ccb = req->ccb; 2598 if (ccb == NULL) { 2599 mpt_prt(mpt, "mpt_scsi_reply_handler: req %p:%u with no ccb\n", 2600 req, req->serno); 2601 return (TRUE); 2602 } 2603 2604 mpt_req_untimeout(req, mpt_timeout, ccb); 2605 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 2606 2607 if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) { 2608 bus_dmasync_op_t op; 2609 2610 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) 2611 op = BUS_DMASYNC_POSTREAD; 2612 else 2613 op = BUS_DMASYNC_POSTWRITE; 2614 bus_dmamap_sync(mpt->buffer_dmat, req->dmap, op); 2615 bus_dmamap_unload(mpt->buffer_dmat, req->dmap); 2616 } 2617 2618 if (reply_frame == NULL) { 2619 /* 2620 * Context only reply, completion without error status. 2621 */ 2622 ccb->csio.resid = 0; 2623 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 2624 ccb->csio.scsi_status = SCSI_STATUS_OK; 2625 } else { 2626 mpt_scsi_reply_frame_handler(mpt, req, reply_frame); 2627 } 2628 2629 if (mpt->outofbeer) { 2630 ccb->ccb_h.status |= CAM_RELEASE_SIMQ; 2631 mpt->outofbeer = 0; 2632 mpt_lprt(mpt, MPT_PRT_DEBUG, "THAWQ\n"); 2633 } 2634 if (scsi_req->CDB[0] == INQUIRY && (scsi_req->CDB[1] & SI_EVPD) == 0) { 2635 struct scsi_inquiry_data *iq = 2636 (struct scsi_inquiry_data *)ccb->csio.data_ptr; 2637 if (scsi_req->Function == 2638 MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH) { 2639 /* 2640 * Fake out the device type so that only the 2641 * pass-thru device will attach. 2642 */ 2643 iq->device &= ~0x1F; 2644 iq->device |= T_NODEVICE; 2645 } 2646 } 2647 if (mpt->verbose == MPT_PRT_DEBUG) { 2648 mpt_prt(mpt, "mpt_scsi_reply_handler: %p:%u complete\n", 2649 req, req->serno); 2650 } 2651 KASSERT(ccb->ccb_h.status, ("zero ccb sts at %d", __LINE__)); 2652 xpt_done(ccb); 2653 if ((req->state & REQ_STATE_TIMEDOUT) == 0) { 2654 TAILQ_REMOVE(&mpt->request_pending_list, req, links); 2655 } else { 2656 mpt_prt(mpt, "completing timedout/aborted req %p:%u\n", 2657 req, req->serno); 2658 TAILQ_REMOVE(&mpt->request_timeout_list, req, links); 2659 } 2660 KASSERT((req->state & REQ_STATE_NEED_WAKEUP) == 0, 2661 ("CCB req needed wakeup")); 2662 #ifdef INVARIANTS 2663 mpt_req_not_spcl(mpt, req, "mpt_scsi_reply_handler", __LINE__); 2664 #endif 2665 mpt_free_request(mpt, req); 2666 return (TRUE); 2667 } 2668 2669 static int 2670 mpt_scsi_tmf_reply_handler(struct mpt_softc *mpt, request_t *req, 2671 uint32_t reply_desc, MSG_DEFAULT_REPLY *reply_frame) 2672 { 2673 MSG_SCSI_TASK_MGMT_REPLY *tmf_reply; 2674 2675 KASSERT(req == mpt->tmf_req, ("TMF Reply not using mpt->tmf_req")); 2676 #ifdef INVARIANTS 2677 mpt_req_not_spcl(mpt, req, "mpt_scsi_tmf_reply_handler", __LINE__); 2678 #endif 2679 tmf_reply = (MSG_SCSI_TASK_MGMT_REPLY *)reply_frame; 2680 /* Record IOC Status and Response Code of TMF for any waiters. */ 2681 req->IOCStatus = le16toh(tmf_reply->IOCStatus); 2682 req->ResponseCode = tmf_reply->ResponseCode; 2683 2684 mpt_lprt(mpt, MPT_PRT_DEBUG, "TMF complete: req %p:%u status 0x%x\n", 2685 req, req->serno, le16toh(tmf_reply->IOCStatus)); 2686 TAILQ_REMOVE(&mpt->request_pending_list, req, links); 2687 if ((req->state & REQ_STATE_NEED_WAKEUP) != 0) { 2688 req->state |= REQ_STATE_DONE; 2689 wakeup(req); 2690 } else { 2691 mpt->tmf_req->state = REQ_STATE_FREE; 2692 } 2693 return (TRUE); 2694 } 2695 2696 /* 2697 * XXX: Move to definitions file 2698 */ 2699 #define ELS 0x22 2700 #define FC4LS 0x32 2701 #define ABTS 0x81 2702 #define BA_ACC 0x84 2703 2704 #define LS_RJT 0x01 2705 #define LS_ACC 0x02 2706 #define PLOGI 0x03 2707 #define LOGO 0x05 2708 #define SRR 0x14 2709 #define PRLI 0x20 2710 #define PRLO 0x21 2711 #define ADISC 0x52 2712 #define RSCN 0x61 2713 2714 static void 2715 mpt_fc_els_send_response(struct mpt_softc *mpt, request_t *req, 2716 PTR_MSG_LINK_SERVICE_BUFFER_POST_REPLY rp, U8 length) 2717 { 2718 uint32_t fl; 2719 MSG_LINK_SERVICE_RSP_REQUEST tmp; 2720 PTR_MSG_LINK_SERVICE_RSP_REQUEST rsp; 2721 2722 /* 2723 * We are going to reuse the ELS request to send this response back. 2724 */ 2725 rsp = &tmp; 2726 memset(rsp, 0, sizeof(*rsp)); 2727 2728 #ifdef USE_IMMEDIATE_LINK_DATA 2729 /* 2730 * Apparently the IMMEDIATE stuff doesn't seem to work. 2731 */ 2732 rsp->RspFlags = LINK_SERVICE_RSP_FLAGS_IMMEDIATE; 2733 #endif 2734 rsp->RspLength = length; 2735 rsp->Function = MPI_FUNCTION_FC_LINK_SRVC_RSP; 2736 rsp->MsgContext = htole32(req->index | fc_els_handler_id); 2737 2738 /* 2739 * Copy over information from the original reply frame to 2740 * it's correct place in the response. 2741 */ 2742 memcpy((U8 *)rsp + 0x0c, (U8 *)rp + 0x1c, 24); 2743 2744 /* 2745 * And now copy back the temporary area to the original frame. 2746 */ 2747 memcpy(req->req_vbuf, rsp, sizeof (MSG_LINK_SERVICE_RSP_REQUEST)); 2748 rsp = req->req_vbuf; 2749 2750 #ifdef USE_IMMEDIATE_LINK_DATA 2751 memcpy((U8 *)&rsp->SGL, &((U8 *)req->req_vbuf)[MPT_RQSL(mpt)], length); 2752 #else 2753 { 2754 PTR_SGE_SIMPLE32 se = (PTR_SGE_SIMPLE32) &rsp->SGL; 2755 bus_addr_t paddr = req->req_pbuf; 2756 paddr += MPT_RQSL(mpt); 2757 2758 fl = 2759 MPI_SGE_FLAGS_HOST_TO_IOC | 2760 MPI_SGE_FLAGS_SIMPLE_ELEMENT | 2761 MPI_SGE_FLAGS_LAST_ELEMENT | 2762 MPI_SGE_FLAGS_END_OF_LIST | 2763 MPI_SGE_FLAGS_END_OF_BUFFER; 2764 fl <<= MPI_SGE_FLAGS_SHIFT; 2765 fl |= (length); 2766 se->FlagsLength = htole32(fl); 2767 se->Address = htole32((uint32_t) paddr); 2768 } 2769 #endif 2770 2771 /* 2772 * Send it on... 2773 */ 2774 mpt_send_cmd(mpt, req); 2775 } 2776 2777 static int 2778 mpt_fc_els_reply_handler(struct mpt_softc *mpt, request_t *req, 2779 uint32_t reply_desc, MSG_DEFAULT_REPLY *reply_frame) 2780 { 2781 PTR_MSG_LINK_SERVICE_BUFFER_POST_REPLY rp = 2782 (PTR_MSG_LINK_SERVICE_BUFFER_POST_REPLY) reply_frame; 2783 U8 rctl; 2784 U8 type; 2785 U8 cmd; 2786 U16 status = le16toh(reply_frame->IOCStatus); 2787 U32 *elsbuf; 2788 int ioindex; 2789 int do_refresh = TRUE; 2790 2791 #ifdef INVARIANTS 2792 KASSERT(mpt_req_on_free_list(mpt, req) == 0, 2793 ("fc_els_reply_handler: req %p:%u for function %x on freelist!", 2794 req, req->serno, rp->Function)); 2795 if (rp->Function != MPI_FUNCTION_FC_PRIMITIVE_SEND) { 2796 mpt_req_spcl(mpt, req, "fc_els_reply_handler", __LINE__); 2797 } else { 2798 mpt_req_not_spcl(mpt, req, "fc_els_reply_handler", __LINE__); 2799 } 2800 #endif 2801 mpt_lprt(mpt, MPT_PRT_DEBUG, 2802 "FC_ELS Complete: req %p:%u, reply %p function %x\n", 2803 req, req->serno, reply_frame, reply_frame->Function); 2804 2805 if (status != MPI_IOCSTATUS_SUCCESS) { 2806 mpt_prt(mpt, "ELS REPLY STATUS 0x%x for Function %x\n", 2807 status, reply_frame->Function); 2808 if (status == MPI_IOCSTATUS_INVALID_STATE) { 2809 /* 2810 * XXX: to get around shutdown issue 2811 */ 2812 mpt->disabled = 1; 2813 return (TRUE); 2814 } 2815 return (TRUE); 2816 } 2817 2818 /* 2819 * If the function of a link service response, we recycle the 2820 * response to be a refresh for a new link service request. 2821 * 2822 * The request pointer is bogus in this case and we have to fetch 2823 * it based upon the TransactionContext. 2824 */ 2825 if (rp->Function == MPI_FUNCTION_FC_LINK_SRVC_RSP) { 2826 /* Freddie Uncle Charlie Katie */ 2827 /* We don't get the IOINDEX as part of the Link Svc Rsp */ 2828 for (ioindex = 0; ioindex < mpt->els_cmds_allocated; ioindex++) 2829 if (mpt->els_cmd_ptrs[ioindex] == req) { 2830 break; 2831 } 2832 2833 KASSERT(ioindex < mpt->els_cmds_allocated, 2834 ("can't find my mommie!")); 2835 2836 /* remove from active list as we're going to re-post it */ 2837 TAILQ_REMOVE(&mpt->request_pending_list, req, links); 2838 req->state &= ~REQ_STATE_QUEUED; 2839 req->state |= REQ_STATE_DONE; 2840 mpt_fc_post_els(mpt, req, ioindex); 2841 return (TRUE); 2842 } 2843 2844 if (rp->Function == MPI_FUNCTION_FC_PRIMITIVE_SEND) { 2845 /* remove from active list as we're done */ 2846 TAILQ_REMOVE(&mpt->request_pending_list, req, links); 2847 req->state &= ~REQ_STATE_QUEUED; 2848 req->state |= REQ_STATE_DONE; 2849 if (req->state & REQ_STATE_TIMEDOUT) { 2850 mpt_lprt(mpt, MPT_PRT_DEBUG, 2851 "Sync Primitive Send Completed After Timeout\n"); 2852 mpt_free_request(mpt, req); 2853 } else if ((req->state & REQ_STATE_NEED_WAKEUP) == 0) { 2854 mpt_lprt(mpt, MPT_PRT_DEBUG, 2855 "Async Primitive Send Complete\n"); 2856 mpt_free_request(mpt, req); 2857 } else { 2858 mpt_lprt(mpt, MPT_PRT_DEBUG, 2859 "Sync Primitive Send Complete- Waking Waiter\n"); 2860 wakeup(req); 2861 } 2862 return (TRUE); 2863 } 2864 2865 if (rp->Function != MPI_FUNCTION_FC_LINK_SRVC_BUF_POST) { 2866 mpt_prt(mpt, "unexpected ELS_REPLY: Function 0x%x Flags %x " 2867 "Length %d Message Flags %x\n", rp->Function, rp->Flags, 2868 rp->MsgLength, rp->MsgFlags); 2869 return (TRUE); 2870 } 2871 2872 if (rp->MsgLength <= 5) { 2873 /* 2874 * This is just a ack of an original ELS buffer post 2875 */ 2876 mpt_lprt(mpt, MPT_PRT_DEBUG, 2877 "RECV'd ACK of FC_ELS buf post %p:%u\n", req, req->serno); 2878 return (TRUE); 2879 } 2880 2881 2882 rctl = (le32toh(rp->Rctl_Did) & MPI_FC_RCTL_MASK) >> MPI_FC_RCTL_SHIFT; 2883 type = (le32toh(rp->Type_Fctl) & MPI_FC_TYPE_MASK) >> MPI_FC_TYPE_SHIFT; 2884 2885 elsbuf = &((U32 *)req->req_vbuf)[MPT_RQSL(mpt)/sizeof (U32)]; 2886 cmd = be32toh(elsbuf[0]) >> 24; 2887 2888 if (rp->Flags & MPI_LS_BUF_POST_REPLY_FLAG_NO_RSP_NEEDED) { 2889 mpt_lprt(mpt, MPT_PRT_ALWAYS, "ELS_REPLY: response unneeded\n"); 2890 return (TRUE); 2891 } 2892 2893 ioindex = le32toh(rp->TransactionContext); 2894 req = mpt->els_cmd_ptrs[ioindex]; 2895 2896 if (rctl == ELS && type == 1) { 2897 switch (cmd) { 2898 case PRLI: 2899 /* 2900 * Send back a PRLI ACC 2901 */ 2902 mpt_prt(mpt, "PRLI from 0x%08x%08x\n", 2903 le32toh(rp->Wwn.PortNameHigh), 2904 le32toh(rp->Wwn.PortNameLow)); 2905 elsbuf[0] = htobe32(0x02100014); 2906 elsbuf[1] |= htobe32(0x00000100); 2907 elsbuf[4] = htobe32(0x00000002); 2908 if (mpt->role & MPT_ROLE_TARGET) 2909 elsbuf[4] |= htobe32(0x00000010); 2910 if (mpt->role & MPT_ROLE_INITIATOR) 2911 elsbuf[4] |= htobe32(0x00000020); 2912 /* remove from active list as we're done */ 2913 TAILQ_REMOVE(&mpt->request_pending_list, req, links); 2914 req->state &= ~REQ_STATE_QUEUED; 2915 req->state |= REQ_STATE_DONE; 2916 mpt_fc_els_send_response(mpt, req, rp, 20); 2917 do_refresh = FALSE; 2918 break; 2919 case PRLO: 2920 memset(elsbuf, 0, 5 * (sizeof (U32))); 2921 elsbuf[0] = htobe32(0x02100014); 2922 elsbuf[1] = htobe32(0x08000100); 2923 mpt_prt(mpt, "PRLO from 0x%08x%08x\n", 2924 le32toh(rp->Wwn.PortNameHigh), 2925 le32toh(rp->Wwn.PortNameLow)); 2926 /* remove from active list as we're done */ 2927 TAILQ_REMOVE(&mpt->request_pending_list, req, links); 2928 req->state &= ~REQ_STATE_QUEUED; 2929 req->state |= REQ_STATE_DONE; 2930 mpt_fc_els_send_response(mpt, req, rp, 20); 2931 do_refresh = FALSE; 2932 break; 2933 default: 2934 mpt_prt(mpt, "ELS TYPE 1 COMMAND: %x\n", cmd); 2935 break; 2936 } 2937 } else if (rctl == ABTS && type == 0) { 2938 uint16_t rx_id = le16toh(rp->Rxid); 2939 uint16_t ox_id = le16toh(rp->Oxid); 2940 mpt_tgt_state_t *tgt; 2941 request_t *tgt_req = NULL; 2942 union ccb *ccb; 2943 uint32_t ct_id; 2944 2945 mpt_prt(mpt, 2946 "ELS: ABTS OX_ID 0x%x RX_ID 0x%x from 0x%08x%08x\n", 2947 ox_id, rx_id, le32toh(rp->Wwn.PortNameHigh), 2948 le32toh(rp->Wwn.PortNameLow)); 2949 if (rx_id >= mpt->mpt_max_tgtcmds) { 2950 mpt_prt(mpt, "Bad RX_ID 0x%x\n", rx_id); 2951 } else if (mpt->tgt_cmd_ptrs == NULL) { 2952 mpt_prt(mpt, "No TGT CMD PTRS\n"); 2953 } else { 2954 tgt_req = mpt->tgt_cmd_ptrs[rx_id]; 2955 } 2956 if (tgt_req == NULL) { 2957 mpt_prt(mpt, "no back pointer for RX_ID 0x%x\n", rx_id); 2958 goto skip; 2959 } 2960 tgt = MPT_TGT_STATE(mpt, tgt_req); 2961 2962 /* Check to make sure we have the correct command. */ 2963 ct_id = GET_IO_INDEX(tgt->reply_desc); 2964 if (ct_id != rx_id) { 2965 mpt_lprt(mpt, MPT_PRT_ERROR, "ABORT Mismatch: " 2966 "RX_ID received=0x%x, in cmd=0x%x\n", rx_id, ct_id); 2967 goto skip; 2968 } 2969 if (tgt->itag != ox_id) { 2970 mpt_lprt(mpt, MPT_PRT_ERROR, "ABORT Mismatch: " 2971 "OX_ID received=0x%x, in cmd=0x%x\n", ox_id, tgt->itag); 2972 goto skip; 2973 } 2974 2975 if ((ccb = tgt->ccb) != NULL) { 2976 mpt_prt(mpt, "CCB (%p): lun %jx flags %x status %x\n", 2977 ccb, (uintmax_t)ccb->ccb_h.target_lun, 2978 ccb->ccb_h.flags, ccb->ccb_h.status); 2979 } 2980 mpt_prt(mpt, "target state 0x%x resid %u xfrd %u rpwrd " 2981 "%x nxfers %x\n", tgt->state, tgt->resid, 2982 tgt->bytes_xfered, tgt->reply_desc, tgt->nxfers); 2983 if (mpt_abort_target_cmd(mpt, tgt_req)) 2984 mpt_prt(mpt, "unable to start TargetAbort\n"); 2985 2986 skip: 2987 memset(elsbuf, 0, 5 * (sizeof (U32))); 2988 elsbuf[0] = htobe32(0); 2989 elsbuf[1] = htobe32((ox_id << 16) | rx_id); 2990 elsbuf[2] = htobe32(0x000ffff); 2991 /* 2992 * Dork with the reply frame so that the response to it 2993 * will be correct. 2994 */ 2995 rp->Rctl_Did += ((BA_ACC - ABTS) << MPI_FC_RCTL_SHIFT); 2996 /* remove from active list as we're done */ 2997 TAILQ_REMOVE(&mpt->request_pending_list, req, links); 2998 req->state &= ~REQ_STATE_QUEUED; 2999 req->state |= REQ_STATE_DONE; 3000 mpt_fc_els_send_response(mpt, req, rp, 12); 3001 do_refresh = FALSE; 3002 } else { 3003 mpt_prt(mpt, "ELS: RCTL %x TYPE %x CMD %x\n", rctl, type, cmd); 3004 } 3005 if (do_refresh == TRUE) { 3006 /* remove from active list as we're done */ 3007 TAILQ_REMOVE(&mpt->request_pending_list, req, links); 3008 req->state &= ~REQ_STATE_QUEUED; 3009 req->state |= REQ_STATE_DONE; 3010 mpt_fc_post_els(mpt, req, ioindex); 3011 } 3012 return (TRUE); 3013 } 3014 3015 /* 3016 * Clean up all SCSI Initiator personality state in response 3017 * to a controller reset. 3018 */ 3019 static void 3020 mpt_cam_ioc_reset(struct mpt_softc *mpt, int type) 3021 { 3022 3023 /* 3024 * The pending list is already run down by 3025 * the generic handler. Perform the same 3026 * operation on the timed out request list. 3027 */ 3028 mpt_complete_request_chain(mpt, &mpt->request_timeout_list, 3029 MPI_IOCSTATUS_INVALID_STATE); 3030 3031 /* 3032 * XXX: We need to repost ELS and Target Command Buffers? 3033 */ 3034 3035 /* 3036 * Inform the XPT that a bus reset has occurred. 3037 */ 3038 xpt_async(AC_BUS_RESET, mpt->path, NULL); 3039 } 3040 3041 /* 3042 * Parse additional completion information in the reply 3043 * frame for SCSI I/O requests. 3044 */ 3045 static int 3046 mpt_scsi_reply_frame_handler(struct mpt_softc *mpt, request_t *req, 3047 MSG_DEFAULT_REPLY *reply_frame) 3048 { 3049 union ccb *ccb; 3050 MSG_SCSI_IO_REPLY *scsi_io_reply; 3051 u_int ioc_status; 3052 u_int sstate; 3053 3054 MPT_DUMP_REPLY_FRAME(mpt, reply_frame); 3055 KASSERT(reply_frame->Function == MPI_FUNCTION_SCSI_IO_REQUEST 3056 || reply_frame->Function == MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH, 3057 ("MPT SCSI I/O Handler called with incorrect reply type")); 3058 KASSERT((reply_frame->MsgFlags & MPI_MSGFLAGS_CONTINUATION_REPLY) == 0, 3059 ("MPT SCSI I/O Handler called with continuation reply")); 3060 3061 scsi_io_reply = (MSG_SCSI_IO_REPLY *)reply_frame; 3062 ioc_status = le16toh(scsi_io_reply->IOCStatus); 3063 ioc_status &= MPI_IOCSTATUS_MASK; 3064 sstate = scsi_io_reply->SCSIState; 3065 3066 ccb = req->ccb; 3067 ccb->csio.resid = 3068 ccb->csio.dxfer_len - le32toh(scsi_io_reply->TransferCount); 3069 3070 if ((sstate & MPI_SCSI_STATE_AUTOSENSE_VALID) != 0 3071 && (ccb->ccb_h.flags & (CAM_SENSE_PHYS | CAM_SENSE_PTR)) == 0) { 3072 uint32_t sense_returned; 3073 3074 ccb->ccb_h.status |= CAM_AUTOSNS_VALID; 3075 3076 sense_returned = le32toh(scsi_io_reply->SenseCount); 3077 if (sense_returned < ccb->csio.sense_len) 3078 ccb->csio.sense_resid = ccb->csio.sense_len - 3079 sense_returned; 3080 else 3081 ccb->csio.sense_resid = 0; 3082 3083 bzero(&ccb->csio.sense_data, sizeof(ccb->csio.sense_data)); 3084 bcopy(req->sense_vbuf, &ccb->csio.sense_data, 3085 min(ccb->csio.sense_len, sense_returned)); 3086 } 3087 3088 if ((sstate & MPI_SCSI_STATE_QUEUE_TAG_REJECTED) != 0) { 3089 /* 3090 * Tag messages rejected, but non-tagged retry 3091 * was successful. 3092 XXXX 3093 mpt_set_tags(mpt, devinfo, MPT_QUEUE_NONE); 3094 */ 3095 } 3096 3097 switch(ioc_status) { 3098 case MPI_IOCSTATUS_SCSI_RESIDUAL_MISMATCH: 3099 /* 3100 * XXX 3101 * Linux driver indicates that a zero 3102 * transfer length with this error code 3103 * indicates a CRC error. 3104 * 3105 * No need to swap the bytes for checking 3106 * against zero. 3107 */ 3108 if (scsi_io_reply->TransferCount == 0) { 3109 mpt_set_ccb_status(ccb, CAM_UNCOR_PARITY); 3110 break; 3111 } 3112 /* FALLTHROUGH */ 3113 case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN: 3114 case MPI_IOCSTATUS_SUCCESS: 3115 case MPI_IOCSTATUS_SCSI_RECOVERED_ERROR: 3116 if ((sstate & MPI_SCSI_STATE_NO_SCSI_STATUS) != 0) { 3117 /* 3118 * Status was never returned for this transaction. 3119 */ 3120 mpt_set_ccb_status(ccb, CAM_UNEXP_BUSFREE); 3121 } else if (scsi_io_reply->SCSIStatus != SCSI_STATUS_OK) { 3122 ccb->csio.scsi_status = scsi_io_reply->SCSIStatus; 3123 mpt_set_ccb_status(ccb, CAM_SCSI_STATUS_ERROR); 3124 if ((sstate & MPI_SCSI_STATE_AUTOSENSE_FAILED) != 0) 3125 mpt_set_ccb_status(ccb, CAM_AUTOSENSE_FAIL); 3126 } else if ((sstate & MPI_SCSI_STATE_RESPONSE_INFO_VALID) != 0) { 3127 3128 /* XXX Handle SPI-Packet and FCP-2 response info. */ 3129 mpt_set_ccb_status(ccb, CAM_REQ_CMP_ERR); 3130 } else 3131 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 3132 break; 3133 case MPI_IOCSTATUS_SCSI_DATA_OVERRUN: 3134 mpt_set_ccb_status(ccb, CAM_DATA_RUN_ERR); 3135 break; 3136 case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR: 3137 mpt_set_ccb_status(ccb, CAM_UNCOR_PARITY); 3138 break; 3139 case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE: 3140 /* 3141 * Since selection timeouts and "device really not 3142 * there" are grouped into this error code, report 3143 * selection timeout. Selection timeouts are 3144 * typically retried before giving up on the device 3145 * whereas "device not there" errors are considered 3146 * unretryable. 3147 */ 3148 mpt_set_ccb_status(ccb, CAM_SEL_TIMEOUT); 3149 break; 3150 case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR: 3151 mpt_set_ccb_status(ccb, CAM_SEQUENCE_FAIL); 3152 break; 3153 case MPI_IOCSTATUS_SCSI_INVALID_BUS: 3154 mpt_set_ccb_status(ccb, CAM_PATH_INVALID); 3155 break; 3156 case MPI_IOCSTATUS_SCSI_INVALID_TARGETID: 3157 mpt_set_ccb_status(ccb, CAM_TID_INVALID); 3158 break; 3159 case MPI_IOCSTATUS_SCSI_TASK_MGMT_FAILED: 3160 ccb->ccb_h.status = CAM_UA_TERMIO; 3161 break; 3162 case MPI_IOCSTATUS_INVALID_STATE: 3163 /* 3164 * The IOC has been reset. Emulate a bus reset. 3165 */ 3166 /* FALLTHROUGH */ 3167 case MPI_IOCSTATUS_SCSI_EXT_TERMINATED: 3168 ccb->ccb_h.status = CAM_SCSI_BUS_RESET; 3169 break; 3170 case MPI_IOCSTATUS_SCSI_TASK_TERMINATED: 3171 case MPI_IOCSTATUS_SCSI_IOC_TERMINATED: 3172 /* 3173 * Don't clobber any timeout status that has 3174 * already been set for this transaction. We 3175 * want the SCSI layer to be able to differentiate 3176 * between the command we aborted due to timeout 3177 * and any innocent bystanders. 3178 */ 3179 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_INPROG) 3180 break; 3181 mpt_set_ccb_status(ccb, CAM_REQ_TERMIO); 3182 break; 3183 3184 case MPI_IOCSTATUS_INSUFFICIENT_RESOURCES: 3185 mpt_set_ccb_status(ccb, CAM_RESRC_UNAVAIL); 3186 break; 3187 case MPI_IOCSTATUS_BUSY: 3188 mpt_set_ccb_status(ccb, CAM_BUSY); 3189 break; 3190 case MPI_IOCSTATUS_INVALID_FUNCTION: 3191 case MPI_IOCSTATUS_INVALID_SGL: 3192 case MPI_IOCSTATUS_INTERNAL_ERROR: 3193 case MPI_IOCSTATUS_INVALID_FIELD: 3194 default: 3195 /* XXX 3196 * Some of the above may need to kick 3197 * of a recovery action!!!! 3198 */ 3199 ccb->ccb_h.status = CAM_UNREC_HBA_ERROR; 3200 break; 3201 } 3202 3203 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 3204 mpt_freeze_ccb(ccb); 3205 } 3206 3207 return (TRUE); 3208 } 3209 3210 static void 3211 mpt_action(struct cam_sim *sim, union ccb *ccb) 3212 { 3213 struct mpt_softc *mpt; 3214 struct ccb_trans_settings *cts; 3215 target_id_t tgt; 3216 lun_id_t lun; 3217 int raid_passthru; 3218 3219 CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE, ("mpt_action\n")); 3220 3221 mpt = (struct mpt_softc *)cam_sim_softc(sim); 3222 raid_passthru = (sim == mpt->phydisk_sim); 3223 MPT_LOCK_ASSERT(mpt); 3224 3225 tgt = ccb->ccb_h.target_id; 3226 lun = ccb->ccb_h.target_lun; 3227 if (raid_passthru && 3228 ccb->ccb_h.func_code != XPT_PATH_INQ && 3229 ccb->ccb_h.func_code != XPT_RESET_BUS && 3230 ccb->ccb_h.func_code != XPT_RESET_DEV) { 3231 if (mpt_map_physdisk(mpt, ccb, &tgt) != 0) { 3232 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 3233 mpt_set_ccb_status(ccb, CAM_DEV_NOT_THERE); 3234 xpt_done(ccb); 3235 return; 3236 } 3237 } 3238 ccb->ccb_h.ccb_mpt_ptr = mpt; 3239 3240 switch (ccb->ccb_h.func_code) { 3241 case XPT_SCSI_IO: /* Execute the requested I/O operation */ 3242 /* 3243 * Do a couple of preliminary checks... 3244 */ 3245 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0) { 3246 if ((ccb->ccb_h.flags & CAM_CDB_PHYS) != 0) { 3247 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 3248 mpt_set_ccb_status(ccb, CAM_REQ_INVALID); 3249 break; 3250 } 3251 } 3252 /* Max supported CDB length is 16 bytes */ 3253 /* XXX Unless we implement the new 32byte message type */ 3254 if (ccb->csio.cdb_len > 3255 sizeof (((PTR_MSG_SCSI_IO_REQUEST)0)->CDB)) { 3256 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 3257 mpt_set_ccb_status(ccb, CAM_REQ_INVALID); 3258 break; 3259 } 3260 #ifdef MPT_TEST_MULTIPATH 3261 if (mpt->failure_id == ccb->ccb_h.target_id) { 3262 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 3263 mpt_set_ccb_status(ccb, CAM_SEL_TIMEOUT); 3264 break; 3265 } 3266 #endif 3267 ccb->csio.scsi_status = SCSI_STATUS_OK; 3268 mpt_start(sim, ccb); 3269 return; 3270 3271 case XPT_RESET_BUS: 3272 if (raid_passthru) { 3273 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 3274 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 3275 break; 3276 } 3277 case XPT_RESET_DEV: 3278 if (ccb->ccb_h.func_code == XPT_RESET_BUS) { 3279 if (bootverbose) { 3280 xpt_print(ccb->ccb_h.path, "reset bus\n"); 3281 } 3282 } else { 3283 xpt_print(ccb->ccb_h.path, "reset device\n"); 3284 } 3285 (void) mpt_bus_reset(mpt, tgt, lun, FALSE); 3286 3287 /* 3288 * mpt_bus_reset is always successful in that it 3289 * will fall back to a hard reset should a bus 3290 * reset attempt fail. 3291 */ 3292 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 3293 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 3294 break; 3295 3296 case XPT_ABORT: 3297 { 3298 union ccb *accb = ccb->cab.abort_ccb; 3299 switch (accb->ccb_h.func_code) { 3300 case XPT_ACCEPT_TARGET_IO: 3301 case XPT_IMMEDIATE_NOTIFY: 3302 ccb->ccb_h.status = mpt_abort_target_ccb(mpt, ccb); 3303 break; 3304 case XPT_CONT_TARGET_IO: 3305 mpt_prt(mpt, "cannot abort active CTIOs yet\n"); 3306 ccb->ccb_h.status = CAM_UA_ABORT; 3307 break; 3308 case XPT_SCSI_IO: 3309 ccb->ccb_h.status = CAM_UA_ABORT; 3310 break; 3311 default: 3312 ccb->ccb_h.status = CAM_REQ_INVALID; 3313 break; 3314 } 3315 break; 3316 } 3317 3318 #define IS_CURRENT_SETTINGS(c) ((c)->type == CTS_TYPE_CURRENT_SETTINGS) 3319 3320 #define DP_DISC_ENABLE 0x1 3321 #define DP_DISC_DISABL 0x2 3322 #define DP_DISC (DP_DISC_ENABLE|DP_DISC_DISABL) 3323 3324 #define DP_TQING_ENABLE 0x4 3325 #define DP_TQING_DISABL 0x8 3326 #define DP_TQING (DP_TQING_ENABLE|DP_TQING_DISABL) 3327 3328 #define DP_WIDE 0x10 3329 #define DP_NARROW 0x20 3330 #define DP_WIDTH (DP_WIDE|DP_NARROW) 3331 3332 #define DP_SYNC 0x40 3333 3334 case XPT_SET_TRAN_SETTINGS: /* Nexus Settings */ 3335 { 3336 struct ccb_trans_settings_scsi *scsi; 3337 struct ccb_trans_settings_spi *spi; 3338 uint8_t dval; 3339 u_int period; 3340 u_int offset; 3341 int i, j; 3342 3343 cts = &ccb->cts; 3344 3345 if (mpt->is_fc || mpt->is_sas) { 3346 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 3347 break; 3348 } 3349 3350 scsi = &cts->proto_specific.scsi; 3351 spi = &cts->xport_specific.spi; 3352 3353 /* 3354 * We can be called just to valid transport and proto versions 3355 */ 3356 if (scsi->valid == 0 && spi->valid == 0) { 3357 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 3358 break; 3359 } 3360 3361 /* 3362 * Skip attempting settings on RAID volume disks. 3363 * Other devices on the bus get the normal treatment. 3364 */ 3365 if (mpt->phydisk_sim && raid_passthru == 0 && 3366 mpt_is_raid_volume(mpt, tgt) != 0) { 3367 mpt_lprt(mpt, MPT_PRT_NEGOTIATION, 3368 "no transfer settings for RAID vols\n"); 3369 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 3370 break; 3371 } 3372 3373 i = mpt->mpt_port_page2.PortSettings & 3374 MPI_SCSIPORTPAGE2_PORT_MASK_NEGO_MASTER_SETTINGS; 3375 j = mpt->mpt_port_page2.PortFlags & 3376 MPI_SCSIPORTPAGE2_PORT_FLAGS_DV_MASK; 3377 if (i == MPI_SCSIPORTPAGE2_PORT_ALL_MASTER_SETTINGS && 3378 j == MPI_SCSIPORTPAGE2_PORT_FLAGS_OFF_DV) { 3379 mpt_lprt(mpt, MPT_PRT_ALWAYS, 3380 "honoring BIOS transfer negotiations\n"); 3381 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 3382 break; 3383 } 3384 3385 dval = 0; 3386 period = 0; 3387 offset = 0; 3388 3389 if ((spi->valid & CTS_SPI_VALID_DISC) != 0) { 3390 dval |= ((spi->flags & CTS_SPI_FLAGS_DISC_ENB) != 0) ? 3391 DP_DISC_ENABLE : DP_DISC_DISABL; 3392 } 3393 3394 if ((scsi->valid & CTS_SCSI_VALID_TQ) != 0) { 3395 dval |= ((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0) ? 3396 DP_TQING_ENABLE : DP_TQING_DISABL; 3397 } 3398 3399 if ((spi->valid & CTS_SPI_VALID_BUS_WIDTH) != 0) { 3400 dval |= (spi->bus_width == MSG_EXT_WDTR_BUS_16_BIT) ? 3401 DP_WIDE : DP_NARROW; 3402 } 3403 3404 if (spi->valid & CTS_SPI_VALID_SYNC_OFFSET) { 3405 dval |= DP_SYNC; 3406 offset = spi->sync_offset; 3407 } else { 3408 PTR_CONFIG_PAGE_SCSI_DEVICE_1 ptr = 3409 &mpt->mpt_dev_page1[tgt]; 3410 offset = ptr->RequestedParameters; 3411 offset &= MPI_SCSIDEVPAGE1_RP_MAX_SYNC_OFFSET_MASK; 3412 offset >>= MPI_SCSIDEVPAGE1_RP_SHIFT_MAX_SYNC_OFFSET; 3413 } 3414 if (spi->valid & CTS_SPI_VALID_SYNC_RATE) { 3415 dval |= DP_SYNC; 3416 period = spi->sync_period; 3417 } else { 3418 PTR_CONFIG_PAGE_SCSI_DEVICE_1 ptr = 3419 &mpt->mpt_dev_page1[tgt]; 3420 period = ptr->RequestedParameters; 3421 period &= MPI_SCSIDEVPAGE1_RP_MIN_SYNC_PERIOD_MASK; 3422 period >>= MPI_SCSIDEVPAGE1_RP_SHIFT_MIN_SYNC_PERIOD; 3423 } 3424 3425 if (dval & DP_DISC_ENABLE) { 3426 mpt->mpt_disc_enable |= (1 << tgt); 3427 } else if (dval & DP_DISC_DISABL) { 3428 mpt->mpt_disc_enable &= ~(1 << tgt); 3429 } 3430 if (dval & DP_TQING_ENABLE) { 3431 mpt->mpt_tag_enable |= (1 << tgt); 3432 } else if (dval & DP_TQING_DISABL) { 3433 mpt->mpt_tag_enable &= ~(1 << tgt); 3434 } 3435 if (dval & DP_WIDTH) { 3436 mpt_setwidth(mpt, tgt, 1); 3437 } 3438 if (dval & DP_SYNC) { 3439 mpt_setsync(mpt, tgt, period, offset); 3440 } 3441 if (dval == 0) { 3442 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 3443 break; 3444 } 3445 mpt_lprt(mpt, MPT_PRT_NEGOTIATION, 3446 "set [%d]: 0x%x period 0x%x offset %d\n", 3447 tgt, dval, period, offset); 3448 if (mpt_update_spi_config(mpt, tgt)) { 3449 mpt_set_ccb_status(ccb, CAM_REQ_CMP_ERR); 3450 } else { 3451 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 3452 } 3453 break; 3454 } 3455 case XPT_GET_TRAN_SETTINGS: 3456 { 3457 struct ccb_trans_settings_scsi *scsi; 3458 cts = &ccb->cts; 3459 cts->protocol = PROTO_SCSI; 3460 if (mpt->is_fc) { 3461 struct ccb_trans_settings_fc *fc = 3462 &cts->xport_specific.fc; 3463 cts->protocol_version = SCSI_REV_SPC; 3464 cts->transport = XPORT_FC; 3465 cts->transport_version = 0; 3466 if (mpt->mpt_fcport_speed != 0) { 3467 fc->valid = CTS_FC_VALID_SPEED; 3468 fc->bitrate = 100000 * mpt->mpt_fcport_speed; 3469 } 3470 } else if (mpt->is_sas) { 3471 struct ccb_trans_settings_sas *sas = 3472 &cts->xport_specific.sas; 3473 cts->protocol_version = SCSI_REV_SPC2; 3474 cts->transport = XPORT_SAS; 3475 cts->transport_version = 0; 3476 sas->valid = CTS_SAS_VALID_SPEED; 3477 sas->bitrate = 300000; 3478 } else { 3479 cts->protocol_version = SCSI_REV_2; 3480 cts->transport = XPORT_SPI; 3481 cts->transport_version = 2; 3482 if (mpt_get_spi_settings(mpt, cts) != 0) { 3483 mpt_set_ccb_status(ccb, CAM_REQ_CMP_ERR); 3484 break; 3485 } 3486 } 3487 scsi = &cts->proto_specific.scsi; 3488 scsi->valid = CTS_SCSI_VALID_TQ; 3489 scsi->flags = CTS_SCSI_FLAGS_TAG_ENB; 3490 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 3491 break; 3492 } 3493 case XPT_CALC_GEOMETRY: 3494 { 3495 struct ccb_calc_geometry *ccg; 3496 3497 ccg = &ccb->ccg; 3498 if (ccg->block_size == 0) { 3499 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 3500 mpt_set_ccb_status(ccb, CAM_REQ_INVALID); 3501 break; 3502 } 3503 cam_calc_geometry(ccg, /* extended */ 1); 3504 KASSERT(ccb->ccb_h.status, ("zero ccb sts at %d", __LINE__)); 3505 break; 3506 } 3507 case XPT_GET_SIM_KNOB: 3508 { 3509 struct ccb_sim_knob *kp = &ccb->knob; 3510 3511 if (mpt->is_fc) { 3512 kp->xport_specific.fc.wwnn = mpt->scinfo.fc.wwnn; 3513 kp->xport_specific.fc.wwpn = mpt->scinfo.fc.wwpn; 3514 switch (mpt->role) { 3515 case MPT_ROLE_NONE: 3516 kp->xport_specific.fc.role = KNOB_ROLE_NONE; 3517 break; 3518 case MPT_ROLE_INITIATOR: 3519 kp->xport_specific.fc.role = KNOB_ROLE_INITIATOR; 3520 break; 3521 case MPT_ROLE_TARGET: 3522 kp->xport_specific.fc.role = KNOB_ROLE_TARGET; 3523 break; 3524 case MPT_ROLE_BOTH: 3525 kp->xport_specific.fc.role = KNOB_ROLE_BOTH; 3526 break; 3527 } 3528 kp->xport_specific.fc.valid = 3529 KNOB_VALID_ADDRESS | KNOB_VALID_ROLE; 3530 ccb->ccb_h.status = CAM_REQ_CMP; 3531 } else { 3532 ccb->ccb_h.status = CAM_REQ_INVALID; 3533 } 3534 xpt_done(ccb); 3535 break; 3536 } 3537 case XPT_PATH_INQ: /* Path routing inquiry */ 3538 { 3539 struct ccb_pathinq *cpi = &ccb->cpi; 3540 3541 cpi->version_num = 1; 3542 cpi->target_sprt = 0; 3543 cpi->hba_eng_cnt = 0; 3544 cpi->max_target = mpt->port_facts[0].MaxDevices - 1; 3545 cpi->maxio = (mpt->max_cam_seg_cnt - 1) * PAGE_SIZE; 3546 /* 3547 * FC cards report MAX_DEVICES of 512, but 3548 * the MSG_SCSI_IO_REQUEST target id field 3549 * is only 8 bits. Until we fix the driver 3550 * to support 'channels' for bus overflow, 3551 * just limit it. 3552 */ 3553 if (cpi->max_target > 255) { 3554 cpi->max_target = 255; 3555 } 3556 3557 /* 3558 * VMware ESX reports > 16 devices and then dies when we probe. 3559 */ 3560 if (mpt->is_spi && cpi->max_target > 15) { 3561 cpi->max_target = 15; 3562 } 3563 if (mpt->is_spi) 3564 cpi->max_lun = 7; 3565 else 3566 cpi->max_lun = MPT_MAX_LUNS; 3567 cpi->initiator_id = mpt->mpt_ini_id; 3568 cpi->bus_id = cam_sim_bus(sim); 3569 3570 /* 3571 * The base speed is the speed of the underlying connection. 3572 */ 3573 cpi->protocol = PROTO_SCSI; 3574 if (mpt->is_fc) { 3575 cpi->hba_misc = PIM_NOBUSRESET | PIM_UNMAPPED | 3576 PIM_EXTLUNS; 3577 cpi->base_transfer_speed = 100000; 3578 cpi->hba_inquiry = PI_TAG_ABLE; 3579 cpi->transport = XPORT_FC; 3580 cpi->transport_version = 0; 3581 cpi->protocol_version = SCSI_REV_SPC; 3582 cpi->xport_specific.fc.wwnn = mpt->scinfo.fc.wwnn; 3583 cpi->xport_specific.fc.wwpn = mpt->scinfo.fc.wwpn; 3584 cpi->xport_specific.fc.port = mpt->scinfo.fc.portid; 3585 cpi->xport_specific.fc.bitrate = 3586 100000 * mpt->mpt_fcport_speed; 3587 } else if (mpt->is_sas) { 3588 cpi->hba_misc = PIM_NOBUSRESET | PIM_UNMAPPED | 3589 PIM_EXTLUNS; 3590 cpi->base_transfer_speed = 300000; 3591 cpi->hba_inquiry = PI_TAG_ABLE; 3592 cpi->transport = XPORT_SAS; 3593 cpi->transport_version = 0; 3594 cpi->protocol_version = SCSI_REV_SPC2; 3595 } else { 3596 cpi->hba_misc = PIM_SEQSCAN | PIM_UNMAPPED | 3597 PIM_EXTLUNS; 3598 cpi->base_transfer_speed = 3300; 3599 cpi->hba_inquiry = PI_SDTR_ABLE|PI_TAG_ABLE|PI_WIDE_16; 3600 cpi->transport = XPORT_SPI; 3601 cpi->transport_version = 2; 3602 cpi->protocol_version = SCSI_REV_2; 3603 } 3604 3605 /* 3606 * We give our fake RAID passhtru bus a width that is MaxVolumes 3607 * wide and restrict it to one lun. 3608 */ 3609 if (raid_passthru) { 3610 cpi->max_target = mpt->ioc_page2->MaxPhysDisks - 1; 3611 cpi->initiator_id = cpi->max_target + 1; 3612 cpi->max_lun = 0; 3613 } 3614 3615 if ((mpt->role & MPT_ROLE_INITIATOR) == 0) { 3616 cpi->hba_misc |= PIM_NOINITIATOR; 3617 } 3618 if (mpt->is_fc && (mpt->role & MPT_ROLE_TARGET)) { 3619 cpi->target_sprt = 3620 PIT_PROCESSOR | PIT_DISCONNECT | PIT_TERM_IO; 3621 } else { 3622 cpi->target_sprt = 0; 3623 } 3624 strlcpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); 3625 strlcpy(cpi->hba_vid, "LSI", HBA_IDLEN); 3626 strlcpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN); 3627 cpi->unit_number = cam_sim_unit(sim); 3628 cpi->ccb_h.status = CAM_REQ_CMP; 3629 break; 3630 } 3631 case XPT_EN_LUN: /* Enable LUN as a target */ 3632 { 3633 int result; 3634 3635 if (ccb->cel.enable) 3636 result = mpt_enable_lun(mpt, 3637 ccb->ccb_h.target_id, ccb->ccb_h.target_lun); 3638 else 3639 result = mpt_disable_lun(mpt, 3640 ccb->ccb_h.target_id, ccb->ccb_h.target_lun); 3641 if (result == 0) { 3642 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 3643 } else { 3644 mpt_set_ccb_status(ccb, CAM_REQ_CMP_ERR); 3645 } 3646 break; 3647 } 3648 case XPT_IMMEDIATE_NOTIFY: /* Add Immediate Notify Resource */ 3649 case XPT_ACCEPT_TARGET_IO: /* Add Accept Target IO Resource */ 3650 { 3651 tgt_resource_t *trtp; 3652 lun_id_t lun = ccb->ccb_h.target_lun; 3653 ccb->ccb_h.sim_priv.entries[0].field = 0; 3654 ccb->ccb_h.sim_priv.entries[1].ptr = mpt; 3655 3656 if (lun == CAM_LUN_WILDCARD) { 3657 if (ccb->ccb_h.target_id != CAM_TARGET_WILDCARD) { 3658 mpt_set_ccb_status(ccb, CAM_REQ_INVALID); 3659 break; 3660 } 3661 trtp = &mpt->trt_wildcard; 3662 } else if (lun >= MPT_MAX_LUNS) { 3663 mpt_set_ccb_status(ccb, CAM_REQ_INVALID); 3664 break; 3665 } else { 3666 trtp = &mpt->trt[lun]; 3667 } 3668 if (ccb->ccb_h.func_code == XPT_ACCEPT_TARGET_IO) { 3669 mpt_lprt(mpt, MPT_PRT_DEBUG1, 3670 "Put FREE ATIO %p lun %jx\n", ccb, (uintmax_t)lun); 3671 STAILQ_INSERT_TAIL(&trtp->atios, &ccb->ccb_h, 3672 sim_links.stqe); 3673 } else { 3674 mpt_lprt(mpt, MPT_PRT_DEBUG1, 3675 "Put FREE INOT lun %jx\n", (uintmax_t)lun); 3676 STAILQ_INSERT_TAIL(&trtp->inots, &ccb->ccb_h, 3677 sim_links.stqe); 3678 } 3679 mpt_set_ccb_status(ccb, CAM_REQ_INPROG); 3680 return; 3681 } 3682 case XPT_NOTIFY_ACKNOWLEDGE: /* Task management request done. */ 3683 { 3684 request_t *req = MPT_TAG_2_REQ(mpt, ccb->cna2.tag_id); 3685 3686 mpt_lprt(mpt, MPT_PRT_DEBUG, "Got Notify ACK\n"); 3687 mpt_scsi_tgt_status(mpt, NULL, req, 0, NULL, 0); 3688 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 3689 break; 3690 } 3691 case XPT_CONT_TARGET_IO: 3692 mpt_target_start_io(mpt, ccb); 3693 return; 3694 3695 default: 3696 ccb->ccb_h.status = CAM_REQ_INVALID; 3697 break; 3698 } 3699 xpt_done(ccb); 3700 } 3701 3702 static int 3703 mpt_get_spi_settings(struct mpt_softc *mpt, struct ccb_trans_settings *cts) 3704 { 3705 struct ccb_trans_settings_scsi *scsi = &cts->proto_specific.scsi; 3706 struct ccb_trans_settings_spi *spi = &cts->xport_specific.spi; 3707 target_id_t tgt; 3708 uint32_t dval, pval, oval; 3709 int rv; 3710 3711 if (IS_CURRENT_SETTINGS(cts) == 0) { 3712 tgt = cts->ccb_h.target_id; 3713 } else if (xpt_path_sim(cts->ccb_h.path) == mpt->phydisk_sim) { 3714 if (mpt_map_physdisk(mpt, (union ccb *)cts, &tgt)) { 3715 return (-1); 3716 } 3717 } else { 3718 tgt = cts->ccb_h.target_id; 3719 } 3720 3721 /* 3722 * We aren't looking at Port Page 2 BIOS settings here- 3723 * sometimes these have been known to be bogus XXX. 3724 * 3725 * For user settings, we pick the max from port page 0 3726 * 3727 * For current settings we read the current settings out from 3728 * device page 0 for that target. 3729 */ 3730 if (IS_CURRENT_SETTINGS(cts)) { 3731 CONFIG_PAGE_SCSI_DEVICE_0 tmp; 3732 dval = 0; 3733 3734 tmp = mpt->mpt_dev_page0[tgt]; 3735 rv = mpt_read_cur_cfg_page(mpt, tgt, &tmp.Header, 3736 sizeof(tmp), FALSE, 5000); 3737 if (rv) { 3738 mpt_prt(mpt, "can't get tgt %d config page 0\n", tgt); 3739 return (rv); 3740 } 3741 mpt2host_config_page_scsi_device_0(&tmp); 3742 3743 mpt_lprt(mpt, MPT_PRT_DEBUG, 3744 "mpt_get_spi_settings[%d]: current NP %x Info %x\n", tgt, 3745 tmp.NegotiatedParameters, tmp.Information); 3746 dval |= (tmp.NegotiatedParameters & MPI_SCSIDEVPAGE0_NP_WIDE) ? 3747 DP_WIDE : DP_NARROW; 3748 dval |= (mpt->mpt_disc_enable & (1 << tgt)) ? 3749 DP_DISC_ENABLE : DP_DISC_DISABL; 3750 dval |= (mpt->mpt_tag_enable & (1 << tgt)) ? 3751 DP_TQING_ENABLE : DP_TQING_DISABL; 3752 oval = tmp.NegotiatedParameters; 3753 oval &= MPI_SCSIDEVPAGE0_NP_NEG_SYNC_OFFSET_MASK; 3754 oval >>= MPI_SCSIDEVPAGE0_NP_SHIFT_SYNC_OFFSET; 3755 pval = tmp.NegotiatedParameters; 3756 pval &= MPI_SCSIDEVPAGE0_NP_NEG_SYNC_PERIOD_MASK; 3757 pval >>= MPI_SCSIDEVPAGE0_NP_SHIFT_SYNC_PERIOD; 3758 mpt->mpt_dev_page0[tgt] = tmp; 3759 } else { 3760 dval = DP_WIDE|DP_DISC_ENABLE|DP_TQING_ENABLE|DP_SYNC; 3761 oval = mpt->mpt_port_page0.Capabilities; 3762 oval = MPI_SCSIPORTPAGE0_CAP_GET_MAX_SYNC_OFFSET(oval); 3763 pval = mpt->mpt_port_page0.Capabilities; 3764 pval = MPI_SCSIPORTPAGE0_CAP_GET_MIN_SYNC_PERIOD(pval); 3765 } 3766 3767 spi->valid = 0; 3768 scsi->valid = 0; 3769 spi->flags = 0; 3770 scsi->flags = 0; 3771 spi->sync_offset = oval; 3772 spi->sync_period = pval; 3773 spi->valid |= CTS_SPI_VALID_SYNC_OFFSET; 3774 spi->valid |= CTS_SPI_VALID_SYNC_RATE; 3775 spi->valid |= CTS_SPI_VALID_BUS_WIDTH; 3776 if (dval & DP_WIDE) { 3777 spi->bus_width = MSG_EXT_WDTR_BUS_16_BIT; 3778 } else { 3779 spi->bus_width = MSG_EXT_WDTR_BUS_8_BIT; 3780 } 3781 if (cts->ccb_h.target_lun != CAM_LUN_WILDCARD) { 3782 scsi->valid = CTS_SCSI_VALID_TQ; 3783 if (dval & DP_TQING_ENABLE) { 3784 scsi->flags |= CTS_SCSI_FLAGS_TAG_ENB; 3785 } 3786 spi->valid |= CTS_SPI_VALID_DISC; 3787 if (dval & DP_DISC_ENABLE) { 3788 spi->flags |= CTS_SPI_FLAGS_DISC_ENB; 3789 } 3790 } 3791 3792 mpt_lprt(mpt, MPT_PRT_NEGOTIATION, 3793 "mpt_get_spi_settings[%d]: %s flags 0x%x per 0x%x off=%d\n", tgt, 3794 IS_CURRENT_SETTINGS(cts) ? "ACTIVE" : "NVRAM ", dval, pval, oval); 3795 return (0); 3796 } 3797 3798 static void 3799 mpt_setwidth(struct mpt_softc *mpt, int tgt, int onoff) 3800 { 3801 PTR_CONFIG_PAGE_SCSI_DEVICE_1 ptr; 3802 3803 ptr = &mpt->mpt_dev_page1[tgt]; 3804 if (onoff) { 3805 ptr->RequestedParameters |= MPI_SCSIDEVPAGE1_RP_WIDE; 3806 } else { 3807 ptr->RequestedParameters &= ~MPI_SCSIDEVPAGE1_RP_WIDE; 3808 } 3809 } 3810 3811 static void 3812 mpt_setsync(struct mpt_softc *mpt, int tgt, int period, int offset) 3813 { 3814 PTR_CONFIG_PAGE_SCSI_DEVICE_1 ptr; 3815 3816 ptr = &mpt->mpt_dev_page1[tgt]; 3817 ptr->RequestedParameters &= ~MPI_SCSIDEVPAGE1_RP_MIN_SYNC_PERIOD_MASK; 3818 ptr->RequestedParameters &= ~MPI_SCSIDEVPAGE1_RP_MAX_SYNC_OFFSET_MASK; 3819 ptr->RequestedParameters &= ~MPI_SCSIDEVPAGE1_RP_DT; 3820 ptr->RequestedParameters &= ~MPI_SCSIDEVPAGE1_RP_QAS; 3821 ptr->RequestedParameters &= ~MPI_SCSIDEVPAGE1_RP_IU; 3822 if (period == 0) { 3823 return; 3824 } 3825 ptr->RequestedParameters |= 3826 period << MPI_SCSIDEVPAGE1_RP_SHIFT_MIN_SYNC_PERIOD; 3827 ptr->RequestedParameters |= 3828 offset << MPI_SCSIDEVPAGE1_RP_SHIFT_MAX_SYNC_OFFSET; 3829 if (period < 0xa) { 3830 ptr->RequestedParameters |= MPI_SCSIDEVPAGE1_RP_DT; 3831 } 3832 if (period < 0x9) { 3833 ptr->RequestedParameters |= MPI_SCSIDEVPAGE1_RP_QAS; 3834 ptr->RequestedParameters |= MPI_SCSIDEVPAGE1_RP_IU; 3835 } 3836 } 3837 3838 static int 3839 mpt_update_spi_config(struct mpt_softc *mpt, int tgt) 3840 { 3841 CONFIG_PAGE_SCSI_DEVICE_1 tmp; 3842 int rv; 3843 3844 mpt_lprt(mpt, MPT_PRT_NEGOTIATION, 3845 "mpt_update_spi_config[%d].page1: Requested Params 0x%08x\n", 3846 tgt, mpt->mpt_dev_page1[tgt].RequestedParameters); 3847 tmp = mpt->mpt_dev_page1[tgt]; 3848 host2mpt_config_page_scsi_device_1(&tmp); 3849 rv = mpt_write_cur_cfg_page(mpt, tgt, 3850 &tmp.Header, sizeof(tmp), FALSE, 5000); 3851 if (rv) { 3852 mpt_prt(mpt, "mpt_update_spi_config: write cur page failed\n"); 3853 return (-1); 3854 } 3855 return (0); 3856 } 3857 3858 /****************************** Timeout Recovery ******************************/ 3859 static int 3860 mpt_spawn_recovery_thread(struct mpt_softc *mpt) 3861 { 3862 int error; 3863 3864 error = kproc_create(mpt_recovery_thread, mpt, 3865 &mpt->recovery_thread, /*flags*/0, 3866 /*altstack*/0, "mpt_recovery%d", mpt->unit); 3867 return (error); 3868 } 3869 3870 static void 3871 mpt_terminate_recovery_thread(struct mpt_softc *mpt) 3872 { 3873 3874 if (mpt->recovery_thread == NULL) { 3875 return; 3876 } 3877 mpt->shutdwn_recovery = 1; 3878 wakeup(mpt); 3879 /* 3880 * Sleep on a slightly different location 3881 * for this interlock just for added safety. 3882 */ 3883 mpt_sleep(mpt, &mpt->recovery_thread, PUSER, "thtrm", 0); 3884 } 3885 3886 static void 3887 mpt_recovery_thread(void *arg) 3888 { 3889 struct mpt_softc *mpt; 3890 3891 mpt = (struct mpt_softc *)arg; 3892 MPT_LOCK(mpt); 3893 for (;;) { 3894 if (TAILQ_EMPTY(&mpt->request_timeout_list) != 0) { 3895 if (mpt->shutdwn_recovery == 0) { 3896 mpt_sleep(mpt, mpt, PUSER, "idle", 0); 3897 } 3898 } 3899 if (mpt->shutdwn_recovery != 0) { 3900 break; 3901 } 3902 mpt_recover_commands(mpt); 3903 } 3904 mpt->recovery_thread = NULL; 3905 wakeup(&mpt->recovery_thread); 3906 MPT_UNLOCK(mpt); 3907 kproc_exit(0); 3908 } 3909 3910 static int 3911 mpt_scsi_send_tmf(struct mpt_softc *mpt, u_int type, u_int flags, 3912 u_int channel, target_id_t target, lun_id_t lun, u_int abort_ctx, 3913 int sleep_ok) 3914 { 3915 MSG_SCSI_TASK_MGMT *tmf_req; 3916 int error; 3917 3918 /* 3919 * Wait for any current TMF request to complete. 3920 * We're only allowed to issue one TMF at a time. 3921 */ 3922 error = mpt_wait_req(mpt, mpt->tmf_req, REQ_STATE_FREE, REQ_STATE_FREE, 3923 sleep_ok, MPT_TMF_MAX_TIMEOUT); 3924 if (error != 0) { 3925 mpt_reset(mpt, TRUE); 3926 return (ETIMEDOUT); 3927 } 3928 3929 mpt_assign_serno(mpt, mpt->tmf_req); 3930 mpt->tmf_req->state = REQ_STATE_ALLOCATED|REQ_STATE_QUEUED; 3931 3932 tmf_req = (MSG_SCSI_TASK_MGMT *)mpt->tmf_req->req_vbuf; 3933 memset(tmf_req, 0, sizeof(*tmf_req)); 3934 tmf_req->TargetID = target; 3935 tmf_req->Bus = channel; 3936 tmf_req->Function = MPI_FUNCTION_SCSI_TASK_MGMT; 3937 tmf_req->TaskType = type; 3938 tmf_req->MsgFlags = flags; 3939 tmf_req->MsgContext = 3940 htole32(mpt->tmf_req->index | scsi_tmf_handler_id); 3941 be64enc(tmf_req->LUN, CAM_EXTLUN_BYTE_SWIZZLE(lun)); 3942 tmf_req->TaskMsgContext = abort_ctx; 3943 3944 mpt_lprt(mpt, MPT_PRT_DEBUG, 3945 "Issuing TMF %p:%u with MsgContext of 0x%x\n", mpt->tmf_req, 3946 mpt->tmf_req->serno, tmf_req->MsgContext); 3947 if (mpt->verbose > MPT_PRT_DEBUG) { 3948 mpt_print_request(tmf_req); 3949 } 3950 3951 KASSERT(mpt_req_on_pending_list(mpt, mpt->tmf_req) == 0, 3952 ("mpt_scsi_send_tmf: tmf_req already on pending list")); 3953 TAILQ_INSERT_HEAD(&mpt->request_pending_list, mpt->tmf_req, links); 3954 error = mpt_send_handshake_cmd(mpt, sizeof(*tmf_req), tmf_req); 3955 if (error != MPT_OK) { 3956 TAILQ_REMOVE(&mpt->request_pending_list, mpt->tmf_req, links); 3957 mpt->tmf_req->state = REQ_STATE_FREE; 3958 mpt_reset(mpt, TRUE); 3959 } 3960 return (error); 3961 } 3962 3963 /* 3964 * When a command times out, it is placed on the requeust_timeout_list 3965 * and we wake our recovery thread. The MPT-Fusion architecture supports 3966 * only a single TMF operation at a time, so we serially abort/bdr, etc, 3967 * the timedout transactions. The next TMF is issued either by the 3968 * completion handler of the current TMF waking our recovery thread, 3969 * or the TMF timeout handler causing a hard reset sequence. 3970 */ 3971 static void 3972 mpt_recover_commands(struct mpt_softc *mpt) 3973 { 3974 request_t *req; 3975 union ccb *ccb; 3976 int error; 3977 3978 if (TAILQ_EMPTY(&mpt->request_timeout_list) != 0) { 3979 /* 3980 * No work to do- leave. 3981 */ 3982 mpt_prt(mpt, "mpt_recover_commands: no requests.\n"); 3983 return; 3984 } 3985 3986 /* 3987 * Flush any commands whose completion coincides with their timeout. 3988 */ 3989 mpt_intr(mpt); 3990 3991 if (TAILQ_EMPTY(&mpt->request_timeout_list) != 0) { 3992 /* 3993 * The timedout commands have already 3994 * completed. This typically means 3995 * that either the timeout value was on 3996 * the hairy edge of what the device 3997 * requires or - more likely - interrupts 3998 * are not happening. 3999 */ 4000 mpt_prt(mpt, "Timedout requests already complete. " 4001 "Interrupts may not be functioning.\n"); 4002 mpt_enable_ints(mpt); 4003 return; 4004 } 4005 4006 /* 4007 * We have no visibility into the current state of the 4008 * controller, so attempt to abort the commands in the 4009 * order they timed-out. For initiator commands, we 4010 * depend on the reply handler pulling requests off 4011 * the timeout list. 4012 */ 4013 while ((req = TAILQ_FIRST(&mpt->request_timeout_list)) != NULL) { 4014 uint16_t status; 4015 uint8_t response; 4016 MSG_REQUEST_HEADER *hdrp = req->req_vbuf; 4017 4018 mpt_prt(mpt, "attempting to abort req %p:%u function %x\n", 4019 req, req->serno, hdrp->Function); 4020 ccb = req->ccb; 4021 if (ccb == NULL) { 4022 mpt_prt(mpt, "null ccb in timed out request. " 4023 "Resetting Controller.\n"); 4024 mpt_reset(mpt, TRUE); 4025 continue; 4026 } 4027 mpt_set_ccb_status(ccb, CAM_CMD_TIMEOUT); 4028 4029 /* 4030 * Check to see if this is not an initiator command and 4031 * deal with it differently if it is. 4032 */ 4033 switch (hdrp->Function) { 4034 case MPI_FUNCTION_SCSI_IO_REQUEST: 4035 case MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH: 4036 break; 4037 default: 4038 /* 4039 * XXX: FIX ME: need to abort target assists... 4040 */ 4041 mpt_prt(mpt, "just putting it back on the pend q\n"); 4042 TAILQ_REMOVE(&mpt->request_timeout_list, req, links); 4043 TAILQ_INSERT_HEAD(&mpt->request_pending_list, req, 4044 links); 4045 continue; 4046 } 4047 4048 error = mpt_scsi_send_tmf(mpt, 4049 MPI_SCSITASKMGMT_TASKTYPE_ABORT_TASK, 4050 0, 0, ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 4051 htole32(req->index | scsi_io_handler_id), TRUE); 4052 4053 if (error != 0) { 4054 /* 4055 * mpt_scsi_send_tmf hard resets on failure, so no 4056 * need to do so here. Our queue should be emptied 4057 * by the hard reset. 4058 */ 4059 continue; 4060 } 4061 4062 error = mpt_wait_req(mpt, mpt->tmf_req, REQ_STATE_DONE, 4063 REQ_STATE_DONE, TRUE, 500); 4064 4065 status = le16toh(mpt->tmf_req->IOCStatus); 4066 response = mpt->tmf_req->ResponseCode; 4067 mpt->tmf_req->state = REQ_STATE_FREE; 4068 4069 if (error != 0) { 4070 /* 4071 * If we've errored out,, reset the controller. 4072 */ 4073 mpt_prt(mpt, "mpt_recover_commands: abort timed-out. " 4074 "Resetting controller\n"); 4075 mpt_reset(mpt, TRUE); 4076 continue; 4077 } 4078 4079 if ((status & MPI_IOCSTATUS_MASK) != MPI_IOCSTATUS_SUCCESS) { 4080 mpt_prt(mpt, "mpt_recover_commands: IOC Status 0x%x. " 4081 "Resetting controller.\n", status); 4082 mpt_reset(mpt, TRUE); 4083 continue; 4084 } 4085 4086 if (response != MPI_SCSITASKMGMT_RSP_TM_SUCCEEDED && 4087 response != MPI_SCSITASKMGMT_RSP_TM_COMPLETE) { 4088 mpt_prt(mpt, "mpt_recover_commands: TMF Response 0x%x. " 4089 "Resetting controller.\n", response); 4090 mpt_reset(mpt, TRUE); 4091 continue; 4092 } 4093 mpt_prt(mpt, "abort of req %p:%u completed\n", req, req->serno); 4094 } 4095 } 4096 4097 /************************ Target Mode Support ****************************/ 4098 static void 4099 mpt_fc_post_els(struct mpt_softc *mpt, request_t *req, int ioindex) 4100 { 4101 MSG_LINK_SERVICE_BUFFER_POST_REQUEST *fc; 4102 PTR_SGE_TRANSACTION32 tep; 4103 PTR_SGE_SIMPLE32 se; 4104 bus_addr_t paddr; 4105 uint32_t fl; 4106 4107 paddr = req->req_pbuf; 4108 paddr += MPT_RQSL(mpt); 4109 4110 fc = req->req_vbuf; 4111 memset(fc, 0, MPT_REQUEST_AREA); 4112 fc->BufferCount = 1; 4113 fc->Function = MPI_FUNCTION_FC_LINK_SRVC_BUF_POST; 4114 fc->MsgContext = htole32(req->index | fc_els_handler_id); 4115 4116 /* 4117 * Okay, set up ELS buffer pointers. ELS buffer pointers 4118 * consist of a TE SGL element (with details length of zero) 4119 * followed by a SIMPLE SGL element which holds the address 4120 * of the buffer. 4121 */ 4122 4123 tep = (PTR_SGE_TRANSACTION32) &fc->SGL; 4124 4125 tep->ContextSize = 4; 4126 tep->Flags = 0; 4127 tep->TransactionContext[0] = htole32(ioindex); 4128 4129 se = (PTR_SGE_SIMPLE32) &tep->TransactionDetails[0]; 4130 fl = 4131 MPI_SGE_FLAGS_HOST_TO_IOC | 4132 MPI_SGE_FLAGS_SIMPLE_ELEMENT | 4133 MPI_SGE_FLAGS_LAST_ELEMENT | 4134 MPI_SGE_FLAGS_END_OF_LIST | 4135 MPI_SGE_FLAGS_END_OF_BUFFER; 4136 fl <<= MPI_SGE_FLAGS_SHIFT; 4137 fl |= (MPT_NRFM(mpt) - MPT_RQSL(mpt)); 4138 se->FlagsLength = htole32(fl); 4139 se->Address = htole32((uint32_t) paddr); 4140 mpt_lprt(mpt, MPT_PRT_DEBUG, 4141 "add ELS index %d ioindex %d for %p:%u\n", 4142 req->index, ioindex, req, req->serno); 4143 KASSERT(((req->state & REQ_STATE_LOCKED) != 0), 4144 ("mpt_fc_post_els: request not locked")); 4145 mpt_send_cmd(mpt, req); 4146 } 4147 4148 static void 4149 mpt_post_target_command(struct mpt_softc *mpt, request_t *req, int ioindex) 4150 { 4151 PTR_MSG_TARGET_CMD_BUFFER_POST_REQUEST fc; 4152 PTR_CMD_BUFFER_DESCRIPTOR cb; 4153 bus_addr_t paddr; 4154 4155 paddr = req->req_pbuf; 4156 paddr += MPT_RQSL(mpt); 4157 memset(req->req_vbuf, 0, MPT_REQUEST_AREA); 4158 MPT_TGT_STATE(mpt, req)->state = TGT_STATE_LOADING; 4159 4160 fc = req->req_vbuf; 4161 fc->BufferCount = 1; 4162 fc->Function = MPI_FUNCTION_TARGET_CMD_BUFFER_POST; 4163 fc->BufferLength = MIN(MPT_REQUEST_AREA - MPT_RQSL(mpt), UINT8_MAX); 4164 fc->MsgContext = htole32(req->index | mpt->scsi_tgt_handler_id); 4165 4166 cb = &fc->Buffer[0]; 4167 cb->IoIndex = htole16(ioindex); 4168 cb->u.PhysicalAddress32 = htole32((U32) paddr); 4169 4170 mpt_check_doorbell(mpt); 4171 mpt_send_cmd(mpt, req); 4172 } 4173 4174 static int 4175 mpt_add_els_buffers(struct mpt_softc *mpt) 4176 { 4177 int i; 4178 4179 if (mpt->is_fc == 0) { 4180 return (TRUE); 4181 } 4182 4183 if (mpt->els_cmds_allocated) { 4184 return (TRUE); 4185 } 4186 4187 mpt->els_cmd_ptrs = malloc(MPT_MAX_ELS * sizeof (request_t *), 4188 M_DEVBUF, M_NOWAIT | M_ZERO); 4189 4190 if (mpt->els_cmd_ptrs == NULL) { 4191 return (FALSE); 4192 } 4193 4194 /* 4195 * Feed the chip some ELS buffer resources 4196 */ 4197 for (i = 0; i < MPT_MAX_ELS; i++) { 4198 request_t *req = mpt_get_request(mpt, FALSE); 4199 if (req == NULL) { 4200 break; 4201 } 4202 req->state |= REQ_STATE_LOCKED; 4203 mpt->els_cmd_ptrs[i] = req; 4204 mpt_fc_post_els(mpt, req, i); 4205 } 4206 4207 if (i == 0) { 4208 mpt_prt(mpt, "unable to add ELS buffer resources\n"); 4209 free(mpt->els_cmd_ptrs, M_DEVBUF); 4210 mpt->els_cmd_ptrs = NULL; 4211 return (FALSE); 4212 } 4213 if (i != MPT_MAX_ELS) { 4214 mpt_lprt(mpt, MPT_PRT_INFO, 4215 "only added %d of %d ELS buffers\n", i, MPT_MAX_ELS); 4216 } 4217 mpt->els_cmds_allocated = i; 4218 return(TRUE); 4219 } 4220 4221 static int 4222 mpt_add_target_commands(struct mpt_softc *mpt) 4223 { 4224 int i, max; 4225 4226 if (mpt->tgt_cmd_ptrs) { 4227 return (TRUE); 4228 } 4229 4230 max = MPT_MAX_REQUESTS(mpt) >> 1; 4231 if (max > mpt->mpt_max_tgtcmds) { 4232 max = mpt->mpt_max_tgtcmds; 4233 } 4234 mpt->tgt_cmd_ptrs = 4235 malloc(max * sizeof (request_t *), M_DEVBUF, M_NOWAIT | M_ZERO); 4236 if (mpt->tgt_cmd_ptrs == NULL) { 4237 mpt_prt(mpt, 4238 "mpt_add_target_commands: could not allocate cmd ptrs\n"); 4239 return (FALSE); 4240 } 4241 4242 for (i = 0; i < max; i++) { 4243 request_t *req; 4244 4245 req = mpt_get_request(mpt, FALSE); 4246 if (req == NULL) { 4247 break; 4248 } 4249 req->state |= REQ_STATE_LOCKED; 4250 mpt->tgt_cmd_ptrs[i] = req; 4251 mpt_post_target_command(mpt, req, i); 4252 } 4253 4254 4255 if (i == 0) { 4256 mpt_lprt(mpt, MPT_PRT_ERROR, "could not add any target bufs\n"); 4257 free(mpt->tgt_cmd_ptrs, M_DEVBUF); 4258 mpt->tgt_cmd_ptrs = NULL; 4259 return (FALSE); 4260 } 4261 4262 mpt->tgt_cmds_allocated = i; 4263 4264 if (i < max) { 4265 mpt_lprt(mpt, MPT_PRT_INFO, 4266 "added %d of %d target bufs\n", i, max); 4267 } 4268 return (i); 4269 } 4270 4271 static int 4272 mpt_enable_lun(struct mpt_softc *mpt, target_id_t tgt, lun_id_t lun) 4273 { 4274 4275 if (tgt == CAM_TARGET_WILDCARD && lun == CAM_LUN_WILDCARD) { 4276 mpt->twildcard = 1; 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 (mpt->tenabled == 0) { 4283 if (mpt->is_fc) { 4284 (void) mpt_fc_reset_link(mpt, 0); 4285 } 4286 mpt->tenabled = 1; 4287 } 4288 if (lun == CAM_LUN_WILDCARD) { 4289 mpt->trt_wildcard.enabled = 1; 4290 } else { 4291 mpt->trt[lun].enabled = 1; 4292 } 4293 return (0); 4294 } 4295 4296 static int 4297 mpt_disable_lun(struct mpt_softc *mpt, target_id_t tgt, lun_id_t lun) 4298 { 4299 int i; 4300 4301 if (tgt == CAM_TARGET_WILDCARD && lun == CAM_LUN_WILDCARD) { 4302 mpt->twildcard = 0; 4303 } else if (lun >= MPT_MAX_LUNS) { 4304 return (EINVAL); 4305 } else if (tgt != CAM_TARGET_WILDCARD && tgt != 0) { 4306 return (EINVAL); 4307 } 4308 if (lun == CAM_LUN_WILDCARD) { 4309 mpt->trt_wildcard.enabled = 0; 4310 } else { 4311 mpt->trt[lun].enabled = 0; 4312 } 4313 for (i = 0; i < MPT_MAX_LUNS; i++) { 4314 if (mpt->trt[i].enabled) { 4315 break; 4316 } 4317 } 4318 if (i == MPT_MAX_LUNS && mpt->twildcard == 0) { 4319 if (mpt->is_fc) { 4320 (void) mpt_fc_reset_link(mpt, 0); 4321 } 4322 mpt->tenabled = 0; 4323 } 4324 return (0); 4325 } 4326 4327 /* 4328 * Called with MPT lock held 4329 */ 4330 static void 4331 mpt_target_start_io(struct mpt_softc *mpt, union ccb *ccb) 4332 { 4333 struct ccb_scsiio *csio = &ccb->csio; 4334 request_t *cmd_req = MPT_TAG_2_REQ(mpt, csio->tag_id); 4335 mpt_tgt_state_t *tgt = MPT_TGT_STATE(mpt, cmd_req); 4336 4337 switch (tgt->state) { 4338 case TGT_STATE_IN_CAM: 4339 break; 4340 case TGT_STATE_MOVING_DATA: 4341 mpt_set_ccb_status(ccb, CAM_REQUEUE_REQ); 4342 xpt_freeze_simq(mpt->sim, 1); 4343 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 4344 tgt->ccb->ccb_h.status |= CAM_RELEASE_SIMQ; 4345 xpt_done(ccb); 4346 return; 4347 default: 4348 mpt_prt(mpt, "ccb %p flags 0x%x tag 0x%08x had bad request " 4349 "starting I/O\n", ccb, csio->ccb_h.flags, csio->tag_id); 4350 mpt_tgt_dump_req_state(mpt, cmd_req); 4351 mpt_set_ccb_status(ccb, CAM_REQ_CMP_ERR); 4352 xpt_done(ccb); 4353 return; 4354 } 4355 4356 if (csio->dxfer_len) { 4357 bus_dmamap_callback_t *cb; 4358 PTR_MSG_TARGET_ASSIST_REQUEST ta; 4359 request_t *req; 4360 int error; 4361 4362 KASSERT((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE, 4363 ("dxfer_len %u but direction is NONE", csio->dxfer_len)); 4364 4365 if ((req = mpt_get_request(mpt, FALSE)) == NULL) { 4366 if (mpt->outofbeer == 0) { 4367 mpt->outofbeer = 1; 4368 xpt_freeze_simq(mpt->sim, 1); 4369 mpt_lprt(mpt, MPT_PRT_DEBUG, "FREEZEQ\n"); 4370 } 4371 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 4372 mpt_set_ccb_status(ccb, CAM_REQUEUE_REQ); 4373 xpt_done(ccb); 4374 return; 4375 } 4376 ccb->ccb_h.status = CAM_SIM_QUEUED | CAM_REQ_INPROG; 4377 if (sizeof (bus_addr_t) > 4) { 4378 cb = mpt_execute_req_a64; 4379 } else { 4380 cb = mpt_execute_req; 4381 } 4382 4383 req->ccb = ccb; 4384 ccb->ccb_h.ccb_req_ptr = req; 4385 4386 /* 4387 * Record the currently active ccb and the 4388 * request for it in our target state area. 4389 */ 4390 tgt->ccb = ccb; 4391 tgt->req = req; 4392 4393 memset(req->req_vbuf, 0, MPT_RQSL(mpt)); 4394 ta = req->req_vbuf; 4395 4396 if (mpt->is_sas) { 4397 PTR_MPI_TARGET_SSP_CMD_BUFFER ssp = 4398 cmd_req->req_vbuf; 4399 ta->QueueTag = ssp->InitiatorTag; 4400 } else if (mpt->is_spi) { 4401 PTR_MPI_TARGET_SCSI_SPI_CMD_BUFFER sp = 4402 cmd_req->req_vbuf; 4403 ta->QueueTag = sp->Tag; 4404 } 4405 ta->Function = MPI_FUNCTION_TARGET_ASSIST; 4406 ta->MsgContext = htole32(req->index | mpt->scsi_tgt_handler_id); 4407 ta->ReplyWord = htole32(tgt->reply_desc); 4408 be64enc(ta->LUN, CAM_EXTLUN_BYTE_SWIZZLE(csio->ccb_h.target_lun)); 4409 4410 ta->RelativeOffset = tgt->bytes_xfered; 4411 ta->DataLength = ccb->csio.dxfer_len; 4412 if (ta->DataLength > tgt->resid) { 4413 ta->DataLength = tgt->resid; 4414 } 4415 4416 /* 4417 * XXX Should be done after data transfer completes? 4418 */ 4419 csio->resid = csio->dxfer_len - ta->DataLength; 4420 tgt->resid -= csio->dxfer_len; 4421 tgt->bytes_xfered += csio->dxfer_len; 4422 4423 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 4424 ta->TargetAssistFlags |= 4425 TARGET_ASSIST_FLAGS_DATA_DIRECTION; 4426 } 4427 4428 #ifdef WE_TRUST_AUTO_GOOD_STATUS 4429 if ((ccb->ccb_h.flags & CAM_SEND_STATUS) && 4430 csio->scsi_status == SCSI_STATUS_OK && tgt->resid == 0) { 4431 ta->TargetAssistFlags |= 4432 TARGET_ASSIST_FLAGS_AUTO_STATUS; 4433 } 4434 #endif 4435 tgt->state = TGT_STATE_SETTING_UP_FOR_DATA; 4436 4437 mpt_lprt(mpt, MPT_PRT_DEBUG, 4438 "DATA_CCB %p tag %x %u bytes %u resid flg %x req %p:%u " 4439 "nxtstate=%d\n", csio, csio->tag_id, csio->dxfer_len, 4440 tgt->resid, ccb->ccb_h.flags, req, req->serno, tgt->state); 4441 4442 error = bus_dmamap_load_ccb(mpt->buffer_dmat, req->dmap, ccb, 4443 cb, req, 0); 4444 if (error == EINPROGRESS) { 4445 xpt_freeze_simq(mpt->sim, 1); 4446 ccb->ccb_h.status |= CAM_RELEASE_SIMQ; 4447 } 4448 } else { 4449 /* 4450 * XXX: I don't know why this seems to happen, but 4451 * XXX: completing the CCB seems to make things happy. 4452 * XXX: This seems to happen if the initiator requests 4453 * XXX: enough data that we have to do multiple CTIOs. 4454 */ 4455 if ((ccb->ccb_h.flags & CAM_SEND_STATUS) == 0) { 4456 mpt_lprt(mpt, MPT_PRT_DEBUG, 4457 "Meaningless STATUS CCB (%p): flags %x status %x " 4458 "resid %d bytes_xfered %u\n", ccb, ccb->ccb_h.flags, 4459 ccb->ccb_h.status, tgt->resid, tgt->bytes_xfered); 4460 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 4461 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 4462 xpt_done(ccb); 4463 return; 4464 } 4465 mpt_scsi_tgt_status(mpt, ccb, cmd_req, csio->scsi_status, 4466 (void *)&csio->sense_data, 4467 (ccb->ccb_h.flags & CAM_SEND_SENSE) ? 4468 csio->sense_len : 0); 4469 } 4470 } 4471 4472 static void 4473 mpt_scsi_tgt_local(struct mpt_softc *mpt, request_t *cmd_req, 4474 lun_id_t lun, int send, uint8_t *data, size_t length) 4475 { 4476 mpt_tgt_state_t *tgt; 4477 PTR_MSG_TARGET_ASSIST_REQUEST ta; 4478 SGE_SIMPLE32 *se; 4479 uint32_t flags; 4480 uint8_t *dptr; 4481 bus_addr_t pptr; 4482 request_t *req; 4483 4484 /* 4485 * We enter with resid set to the data load for the command. 4486 */ 4487 tgt = MPT_TGT_STATE(mpt, cmd_req); 4488 if (length == 0 || tgt->resid == 0) { 4489 tgt->resid = 0; 4490 mpt_scsi_tgt_status(mpt, NULL, cmd_req, 0, NULL, 0); 4491 return; 4492 } 4493 4494 if ((req = mpt_get_request(mpt, FALSE)) == NULL) { 4495 mpt_prt(mpt, "out of resources- dropping local response\n"); 4496 return; 4497 } 4498 tgt->is_local = 1; 4499 4500 4501 memset(req->req_vbuf, 0, MPT_RQSL(mpt)); 4502 ta = req->req_vbuf; 4503 4504 if (mpt->is_sas) { 4505 PTR_MPI_TARGET_SSP_CMD_BUFFER ssp = cmd_req->req_vbuf; 4506 ta->QueueTag = ssp->InitiatorTag; 4507 } else if (mpt->is_spi) { 4508 PTR_MPI_TARGET_SCSI_SPI_CMD_BUFFER sp = cmd_req->req_vbuf; 4509 ta->QueueTag = sp->Tag; 4510 } 4511 ta->Function = MPI_FUNCTION_TARGET_ASSIST; 4512 ta->MsgContext = htole32(req->index | mpt->scsi_tgt_handler_id); 4513 ta->ReplyWord = htole32(tgt->reply_desc); 4514 be64enc(ta->LUN, CAM_EXTLUN_BYTE_SWIZZLE(lun)); 4515 ta->RelativeOffset = 0; 4516 ta->DataLength = length; 4517 4518 dptr = req->req_vbuf; 4519 dptr += MPT_RQSL(mpt); 4520 pptr = req->req_pbuf; 4521 pptr += MPT_RQSL(mpt); 4522 memcpy(dptr, data, min(length, MPT_RQSL(mpt))); 4523 4524 se = (SGE_SIMPLE32 *) &ta->SGL[0]; 4525 memset(se, 0,sizeof (*se)); 4526 4527 flags = MPI_SGE_FLAGS_SIMPLE_ELEMENT; 4528 if (send) { 4529 ta->TargetAssistFlags |= TARGET_ASSIST_FLAGS_DATA_DIRECTION; 4530 flags |= MPI_SGE_FLAGS_HOST_TO_IOC; 4531 } 4532 se->Address = pptr; 4533 MPI_pSGE_SET_LENGTH(se, length); 4534 flags |= MPI_SGE_FLAGS_LAST_ELEMENT; 4535 flags |= MPI_SGE_FLAGS_END_OF_LIST | MPI_SGE_FLAGS_END_OF_BUFFER; 4536 MPI_pSGE_SET_FLAGS(se, flags); 4537 4538 tgt->ccb = NULL; 4539 tgt->req = req; 4540 tgt->resid -= length; 4541 tgt->bytes_xfered = length; 4542 #ifdef WE_TRUST_AUTO_GOOD_STATUS 4543 tgt->state = TGT_STATE_MOVING_DATA_AND_STATUS; 4544 #else 4545 tgt->state = TGT_STATE_MOVING_DATA; 4546 #endif 4547 mpt_send_cmd(mpt, req); 4548 } 4549 4550 /* 4551 * Abort queued up CCBs 4552 */ 4553 static cam_status 4554 mpt_abort_target_ccb(struct mpt_softc *mpt, union ccb *ccb) 4555 { 4556 struct mpt_hdr_stailq *lp; 4557 struct ccb_hdr *srch; 4558 union ccb *accb = ccb->cab.abort_ccb; 4559 tgt_resource_t *trtp; 4560 mpt_tgt_state_t *tgt; 4561 request_t *req; 4562 uint32_t tag; 4563 4564 mpt_lprt(mpt, MPT_PRT_DEBUG, "aborting ccb %p\n", accb); 4565 if (ccb->ccb_h.target_lun == CAM_LUN_WILDCARD) 4566 trtp = &mpt->trt_wildcard; 4567 else 4568 trtp = &mpt->trt[ccb->ccb_h.target_lun]; 4569 if (accb->ccb_h.func_code == XPT_ACCEPT_TARGET_IO) { 4570 lp = &trtp->atios; 4571 tag = accb->atio.tag_id; 4572 } else { 4573 lp = &trtp->inots; 4574 tag = accb->cin1.tag_id; 4575 } 4576 4577 /* Search the CCB among queued. */ 4578 STAILQ_FOREACH(srch, lp, sim_links.stqe) { 4579 if (srch != &accb->ccb_h) 4580 continue; 4581 STAILQ_REMOVE(lp, srch, ccb_hdr, sim_links.stqe); 4582 accb->ccb_h.status = CAM_REQ_ABORTED; 4583 xpt_done(accb); 4584 return (CAM_REQ_CMP); 4585 } 4586 4587 /* Search the CCB among running. */ 4588 req = MPT_TAG_2_REQ(mpt, tag); 4589 tgt = MPT_TGT_STATE(mpt, req); 4590 if (tgt->tag_id == tag) { 4591 mpt_abort_target_cmd(mpt, req); 4592 return (CAM_REQ_CMP); 4593 } 4594 4595 return (CAM_UA_ABORT); 4596 } 4597 4598 /* 4599 * Ask the MPT to abort the current target command 4600 */ 4601 static int 4602 mpt_abort_target_cmd(struct mpt_softc *mpt, request_t *cmd_req) 4603 { 4604 int error; 4605 request_t *req; 4606 PTR_MSG_TARGET_MODE_ABORT abtp; 4607 4608 req = mpt_get_request(mpt, FALSE); 4609 if (req == NULL) { 4610 return (-1); 4611 } 4612 abtp = req->req_vbuf; 4613 memset(abtp, 0, sizeof (*abtp)); 4614 4615 abtp->MsgContext = htole32(req->index | mpt->scsi_tgt_handler_id); 4616 abtp->AbortType = TARGET_MODE_ABORT_TYPE_EXACT_IO; 4617 abtp->Function = MPI_FUNCTION_TARGET_MODE_ABORT; 4618 abtp->ReplyWord = htole32(MPT_TGT_STATE(mpt, cmd_req)->reply_desc); 4619 error = 0; 4620 if (mpt->is_fc || mpt->is_sas) { 4621 mpt_send_cmd(mpt, req); 4622 } else { 4623 error = mpt_send_handshake_cmd(mpt, sizeof(*req), req); 4624 } 4625 return (error); 4626 } 4627 4628 /* 4629 * WE_TRUST_AUTO_GOOD_STATUS- I've found that setting 4630 * TARGET_STATUS_SEND_FLAGS_AUTO_GOOD_STATUS leads the 4631 * FC929 to set bogus FC_RSP fields (nonzero residuals 4632 * but w/o RESID fields set). This causes QLogic initiators 4633 * to think maybe that a frame was lost. 4634 * 4635 * WE_CAN_USE_AUTO_REPOST- we can't use AUTO_REPOST because 4636 * we use allocated requests to do TARGET_ASSIST and we 4637 * need to know when to release them. 4638 */ 4639 4640 static void 4641 mpt_scsi_tgt_status(struct mpt_softc *mpt, union ccb *ccb, request_t *cmd_req, 4642 uint8_t status, uint8_t const *sense_data, u_int sense_len) 4643 { 4644 uint8_t *cmd_vbuf; 4645 mpt_tgt_state_t *tgt; 4646 PTR_MSG_TARGET_STATUS_SEND_REQUEST tp; 4647 request_t *req; 4648 bus_addr_t paddr; 4649 int resplen = 0; 4650 uint32_t fl; 4651 4652 cmd_vbuf = cmd_req->req_vbuf; 4653 cmd_vbuf += MPT_RQSL(mpt); 4654 tgt = MPT_TGT_STATE(mpt, cmd_req); 4655 4656 if ((req = mpt_get_request(mpt, FALSE)) == NULL) { 4657 if (mpt->outofbeer == 0) { 4658 mpt->outofbeer = 1; 4659 xpt_freeze_simq(mpt->sim, 1); 4660 mpt_lprt(mpt, MPT_PRT_DEBUG, "FREEZEQ\n"); 4661 } 4662 if (ccb) { 4663 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 4664 mpt_set_ccb_status(ccb, CAM_REQUEUE_REQ); 4665 xpt_done(ccb); 4666 } else { 4667 mpt_prt(mpt, 4668 "could not allocate status request- dropping\n"); 4669 } 4670 return; 4671 } 4672 req->ccb = ccb; 4673 if (ccb) { 4674 ccb->ccb_h.ccb_mpt_ptr = mpt; 4675 ccb->ccb_h.ccb_req_ptr = req; 4676 } 4677 4678 /* 4679 * Record the currently active ccb, if any, and the 4680 * request for it in our target state area. 4681 */ 4682 tgt->ccb = ccb; 4683 tgt->req = req; 4684 tgt->state = TGT_STATE_SENDING_STATUS; 4685 4686 tp = req->req_vbuf; 4687 paddr = req->req_pbuf; 4688 paddr += MPT_RQSL(mpt); 4689 4690 memset(tp, 0, sizeof (*tp)); 4691 tp->StatusCode = status; 4692 tp->Function = MPI_FUNCTION_TARGET_STATUS_SEND; 4693 if (mpt->is_fc) { 4694 PTR_MPI_TARGET_FCP_CMD_BUFFER fc = 4695 (PTR_MPI_TARGET_FCP_CMD_BUFFER) cmd_vbuf; 4696 uint8_t *sts_vbuf; 4697 uint32_t *rsp; 4698 4699 sts_vbuf = req->req_vbuf; 4700 sts_vbuf += MPT_RQSL(mpt); 4701 rsp = (uint32_t *) sts_vbuf; 4702 memcpy(tp->LUN, fc->FcpLun, sizeof (tp->LUN)); 4703 4704 /* 4705 * The MPI_TARGET_FCP_RSP_BUFFER define is unfortunate. 4706 * It has to be big-endian in memory and is organized 4707 * in 32 bit words, which are much easier to deal with 4708 * as words which are swizzled as needed. 4709 * 4710 * All we're filling here is the FC_RSP payload. 4711 * We may just have the chip synthesize it if 4712 * we have no residual and an OK status. 4713 * 4714 */ 4715 memset(rsp, 0, sizeof (MPI_TARGET_FCP_RSP_BUFFER)); 4716 4717 rsp[2] = htobe32(status); 4718 #define MIN_FCP_RESPONSE_SIZE 24 4719 #ifndef WE_TRUST_AUTO_GOOD_STATUS 4720 resplen = MIN_FCP_RESPONSE_SIZE; 4721 #endif 4722 if (tgt->resid < 0) { 4723 rsp[2] |= htobe32(0x400); /* XXXX NEED MNEMONIC!!!! */ 4724 rsp[3] = htobe32(-tgt->resid); 4725 resplen = MIN_FCP_RESPONSE_SIZE; 4726 } else if (tgt->resid > 0) { 4727 rsp[2] |= htobe32(0x800); /* XXXX NEED MNEMONIC!!!! */ 4728 rsp[3] = htobe32(tgt->resid); 4729 resplen = MIN_FCP_RESPONSE_SIZE; 4730 } 4731 if (sense_len > 0) { 4732 rsp[2] |= htobe32(0x200); /* XXXX NEED MNEMONIC!!!! */ 4733 rsp[4] = htobe32(sense_len); 4734 memcpy(&rsp[6], sense_data, sense_len); 4735 resplen = MIN_FCP_RESPONSE_SIZE + sense_len; 4736 } 4737 } else if (mpt->is_sas) { 4738 PTR_MPI_TARGET_SSP_CMD_BUFFER ssp = 4739 (PTR_MPI_TARGET_SSP_CMD_BUFFER) cmd_vbuf; 4740 memcpy(tp->LUN, ssp->LogicalUnitNumber, sizeof (tp->LUN)); 4741 } else { 4742 PTR_MPI_TARGET_SCSI_SPI_CMD_BUFFER sp = 4743 (PTR_MPI_TARGET_SCSI_SPI_CMD_BUFFER) cmd_vbuf; 4744 tp->QueueTag = htole16(sp->Tag); 4745 memcpy(tp->LUN, sp->LogicalUnitNumber, sizeof (tp->LUN)); 4746 } 4747 4748 tp->ReplyWord = htole32(tgt->reply_desc); 4749 tp->MsgContext = htole32(req->index | mpt->scsi_tgt_handler_id); 4750 4751 #ifdef WE_CAN_USE_AUTO_REPOST 4752 tp->MsgFlags = TARGET_STATUS_SEND_FLAGS_REPOST_CMD_BUFFER; 4753 #endif 4754 if (status == SCSI_STATUS_OK && resplen == 0) { 4755 tp->MsgFlags |= TARGET_STATUS_SEND_FLAGS_AUTO_GOOD_STATUS; 4756 } else { 4757 tp->StatusDataSGE.u.Address32 = htole32((uint32_t) paddr); 4758 fl = MPI_SGE_FLAGS_HOST_TO_IOC | 4759 MPI_SGE_FLAGS_SIMPLE_ELEMENT | 4760 MPI_SGE_FLAGS_LAST_ELEMENT | 4761 MPI_SGE_FLAGS_END_OF_LIST | 4762 MPI_SGE_FLAGS_END_OF_BUFFER; 4763 fl <<= MPI_SGE_FLAGS_SHIFT; 4764 fl |= resplen; 4765 tp->StatusDataSGE.FlagsLength = htole32(fl); 4766 } 4767 4768 mpt_lprt(mpt, MPT_PRT_DEBUG, 4769 "STATUS_CCB %p (with%s sense) tag %x req %p:%u resid %u\n", 4770 ccb, sense_len > 0 ? "" : "out", tgt->tag_id, 4771 req, req->serno, tgt->resid); 4772 if (mpt->verbose > MPT_PRT_DEBUG) 4773 mpt_print_request(req->req_vbuf); 4774 if (ccb) { 4775 ccb->ccb_h.status = CAM_SIM_QUEUED | CAM_REQ_INPROG; 4776 mpt_req_timeout(req, SBT_1S * 60, mpt_timeout, ccb); 4777 } 4778 mpt_send_cmd(mpt, req); 4779 } 4780 4781 static void 4782 mpt_scsi_tgt_tsk_mgmt(struct mpt_softc *mpt, request_t *req, mpt_task_mgmt_t fc, 4783 tgt_resource_t *trtp, int init_id) 4784 { 4785 struct ccb_immediate_notify *inot; 4786 mpt_tgt_state_t *tgt; 4787 4788 tgt = MPT_TGT_STATE(mpt, req); 4789 inot = (struct ccb_immediate_notify *) STAILQ_FIRST(&trtp->inots); 4790 if (inot == NULL) { 4791 mpt_lprt(mpt, MPT_PRT_WARN, "no INOTSs- sending back BSY\n"); 4792 mpt_scsi_tgt_status(mpt, NULL, req, SCSI_STATUS_BUSY, NULL, 0); 4793 return; 4794 } 4795 STAILQ_REMOVE_HEAD(&trtp->inots, sim_links.stqe); 4796 mpt_lprt(mpt, MPT_PRT_DEBUG1, 4797 "Get FREE INOT %p lun %jx\n", inot, 4798 (uintmax_t)inot->ccb_h.target_lun); 4799 4800 inot->initiator_id = init_id; /* XXX */ 4801 inot->tag_id = tgt->tag_id; 4802 inot->seq_id = 0; 4803 /* 4804 * This is a somewhat grotesque attempt to map from task management 4805 * to old style SCSI messages. God help us all. 4806 */ 4807 switch (fc) { 4808 case MPT_QUERY_TASK_SET: 4809 inot->arg = MSG_QUERY_TASK_SET; 4810 break; 4811 case MPT_ABORT_TASK_SET: 4812 inot->arg = MSG_ABORT_TASK_SET; 4813 break; 4814 case MPT_CLEAR_TASK_SET: 4815 inot->arg = MSG_CLEAR_TASK_SET; 4816 break; 4817 case MPT_QUERY_ASYNC_EVENT: 4818 inot->arg = MSG_QUERY_ASYNC_EVENT; 4819 break; 4820 case MPT_LOGICAL_UNIT_RESET: 4821 inot->arg = MSG_LOGICAL_UNIT_RESET; 4822 break; 4823 case MPT_TARGET_RESET: 4824 inot->arg = MSG_TARGET_RESET; 4825 break; 4826 case MPT_CLEAR_ACA: 4827 inot->arg = MSG_CLEAR_ACA; 4828 break; 4829 default: 4830 inot->arg = MSG_NOOP; 4831 break; 4832 } 4833 tgt->ccb = (union ccb *) inot; 4834 inot->ccb_h.status = CAM_MESSAGE_RECV; 4835 xpt_done((union ccb *)inot); 4836 } 4837 4838 static void 4839 mpt_scsi_tgt_atio(struct mpt_softc *mpt, request_t *req, uint32_t reply_desc) 4840 { 4841 static uint8_t null_iqd[SHORT_INQUIRY_LENGTH] = { 4842 0x7f, 0x00, 0x02, 0x02, 0x20, 0x00, 0x00, 0x32, 4843 'F', 'R', 'E', 'E', 'B', 'S', 'D', ' ', 4844 'L', 'S', 'I', '-', 'L', 'O', 'G', 'I', 4845 'C', ' ', 'N', 'U', 'L', 'D', 'E', 'V', 4846 '0', '0', '0', '1' 4847 }; 4848 struct ccb_accept_tio *atiop; 4849 lun_id_t lun; 4850 int tag_action = 0; 4851 mpt_tgt_state_t *tgt; 4852 tgt_resource_t *trtp = NULL; 4853 U8 *lunptr; 4854 U8 *vbuf; 4855 U16 ioindex; 4856 mpt_task_mgmt_t fct = MPT_NIL_TMT_VALUE; 4857 uint8_t *cdbp; 4858 4859 /* 4860 * Stash info for the current command where we can get at it later. 4861 */ 4862 vbuf = req->req_vbuf; 4863 vbuf += MPT_RQSL(mpt); 4864 if (mpt->verbose >= MPT_PRT_DEBUG) { 4865 mpt_dump_data(mpt, "mpt_scsi_tgt_atio response", vbuf, 4866 max(sizeof (MPI_TARGET_FCP_CMD_BUFFER), 4867 max(sizeof (MPI_TARGET_SSP_CMD_BUFFER), 4868 sizeof (MPI_TARGET_SCSI_SPI_CMD_BUFFER)))); 4869 } 4870 4871 /* 4872 * Get our state pointer set up. 4873 */ 4874 tgt = MPT_TGT_STATE(mpt, req); 4875 if (tgt->state != TGT_STATE_LOADED) { 4876 mpt_tgt_dump_req_state(mpt, req); 4877 panic("bad target state in mpt_scsi_tgt_atio"); 4878 } 4879 memset(tgt, 0, sizeof (mpt_tgt_state_t)); 4880 tgt->state = TGT_STATE_IN_CAM; 4881 tgt->reply_desc = reply_desc; 4882 ioindex = GET_IO_INDEX(reply_desc); 4883 4884 /* 4885 * The tag we construct here allows us to find the 4886 * original request that the command came in with. 4887 * 4888 * This way we don't have to depend on anything but the 4889 * tag to find things when CCBs show back up from CAM. 4890 */ 4891 tgt->tag_id = MPT_MAKE_TAGID(mpt, req, ioindex); 4892 4893 if (mpt->is_fc) { 4894 PTR_MPI_TARGET_FCP_CMD_BUFFER fc; 4895 fc = (PTR_MPI_TARGET_FCP_CMD_BUFFER) vbuf; 4896 if (fc->FcpCntl[2]) { 4897 /* 4898 * Task Management Request 4899 */ 4900 switch (fc->FcpCntl[2]) { 4901 case 0x1: 4902 fct = MPT_QUERY_TASK_SET; 4903 break; 4904 case 0x2: 4905 fct = MPT_ABORT_TASK_SET; 4906 break; 4907 case 0x4: 4908 fct = MPT_CLEAR_TASK_SET; 4909 break; 4910 case 0x8: 4911 fct = MPT_QUERY_ASYNC_EVENT; 4912 break; 4913 case 0x10: 4914 fct = MPT_LOGICAL_UNIT_RESET; 4915 break; 4916 case 0x20: 4917 fct = MPT_TARGET_RESET; 4918 break; 4919 case 0x40: 4920 fct = MPT_CLEAR_ACA; 4921 break; 4922 default: 4923 mpt_prt(mpt, "CORRUPTED TASK MGMT BITS: 0x%x\n", 4924 fc->FcpCntl[2]); 4925 mpt_scsi_tgt_status(mpt, NULL, req, 4926 SCSI_STATUS_OK, NULL, 0); 4927 return; 4928 } 4929 } else { 4930 switch (fc->FcpCntl[1]) { 4931 case 0: 4932 tag_action = MSG_SIMPLE_Q_TAG; 4933 break; 4934 case 1: 4935 tag_action = MSG_HEAD_OF_Q_TAG; 4936 break; 4937 case 2: 4938 tag_action = MSG_ORDERED_Q_TAG; 4939 break; 4940 default: 4941 /* 4942 * Bah. Ignore Untagged Queing and ACA 4943 */ 4944 tag_action = MSG_SIMPLE_Q_TAG; 4945 break; 4946 } 4947 } 4948 tgt->resid = be32toh(fc->FcpDl); 4949 cdbp = fc->FcpCdb; 4950 lunptr = fc->FcpLun; 4951 tgt->itag = fc->OptionalOxid; 4952 } else if (mpt->is_sas) { 4953 PTR_MPI_TARGET_SSP_CMD_BUFFER ssp; 4954 ssp = (PTR_MPI_TARGET_SSP_CMD_BUFFER) vbuf; 4955 cdbp = ssp->CDB; 4956 lunptr = ssp->LogicalUnitNumber; 4957 tgt->itag = ssp->InitiatorTag; 4958 } else { 4959 PTR_MPI_TARGET_SCSI_SPI_CMD_BUFFER sp; 4960 sp = (PTR_MPI_TARGET_SCSI_SPI_CMD_BUFFER) vbuf; 4961 cdbp = sp->CDB; 4962 lunptr = sp->LogicalUnitNumber; 4963 tgt->itag = sp->Tag; 4964 } 4965 4966 lun = CAM_EXTLUN_BYTE_SWIZZLE(be64dec(lunptr)); 4967 4968 /* 4969 * Deal with non-enabled or bad luns here. 4970 */ 4971 if (lun >= MPT_MAX_LUNS || mpt->tenabled == 0 || 4972 mpt->trt[lun].enabled == 0) { 4973 if (mpt->twildcard) { 4974 trtp = &mpt->trt_wildcard; 4975 } else if (fct == MPT_NIL_TMT_VALUE) { 4976 /* 4977 * In this case, we haven't got an upstream listener 4978 * for either a specific lun or wildcard luns. We 4979 * have to make some sensible response. For regular 4980 * inquiry, just return some NOT HERE inquiry data. 4981 * For VPD inquiry, report illegal field in cdb. 4982 * For REQUEST SENSE, just return NO SENSE data. 4983 * REPORT LUNS gets illegal command. 4984 * All other commands get 'no such device'. 4985 */ 4986 uint8_t sense[MPT_SENSE_SIZE]; 4987 size_t len; 4988 4989 memset(sense, 0, sizeof(sense)); 4990 sense[0] = 0xf0; 4991 sense[2] = 0x5; 4992 sense[7] = 0x8; 4993 4994 switch (cdbp[0]) { 4995 case INQUIRY: 4996 { 4997 if (cdbp[1] != 0) { 4998 sense[12] = 0x26; 4999 sense[13] = 0x01; 5000 break; 5001 } 5002 len = min(tgt->resid, cdbp[4]); 5003 len = min(len, sizeof (null_iqd)); 5004 mpt_lprt(mpt, MPT_PRT_DEBUG, 5005 "local inquiry %ld bytes\n", (long) len); 5006 mpt_scsi_tgt_local(mpt, req, lun, 1, 5007 null_iqd, len); 5008 return; 5009 } 5010 case REQUEST_SENSE: 5011 { 5012 sense[2] = 0x0; 5013 len = min(tgt->resid, cdbp[4]); 5014 len = min(len, sizeof (sense)); 5015 mpt_lprt(mpt, MPT_PRT_DEBUG, 5016 "local reqsense %ld bytes\n", (long) len); 5017 mpt_scsi_tgt_local(mpt, req, lun, 1, 5018 sense, len); 5019 return; 5020 } 5021 case REPORT_LUNS: 5022 mpt_lprt(mpt, MPT_PRT_DEBUG, "REPORT LUNS\n"); 5023 sense[12] = 0x26; 5024 return; 5025 default: 5026 mpt_lprt(mpt, MPT_PRT_DEBUG, 5027 "CMD 0x%x to unmanaged lun %jx\n", 5028 cdbp[0], (uintmax_t)lun); 5029 sense[12] = 0x25; 5030 break; 5031 } 5032 mpt_scsi_tgt_status(mpt, NULL, req, 5033 SCSI_STATUS_CHECK_COND, sense, sizeof(sense)); 5034 return; 5035 } 5036 /* otherwise, leave trtp NULL */ 5037 } else { 5038 trtp = &mpt->trt[lun]; 5039 } 5040 5041 /* 5042 * Deal with any task management 5043 */ 5044 if (fct != MPT_NIL_TMT_VALUE) { 5045 if (trtp == NULL) { 5046 mpt_prt(mpt, "task mgmt function %x but no listener\n", 5047 fct); 5048 mpt_scsi_tgt_status(mpt, NULL, req, 5049 SCSI_STATUS_OK, NULL, 0); 5050 } else { 5051 mpt_scsi_tgt_tsk_mgmt(mpt, req, fct, trtp, 5052 GET_INITIATOR_INDEX(reply_desc)); 5053 } 5054 return; 5055 } 5056 5057 5058 atiop = (struct ccb_accept_tio *) STAILQ_FIRST(&trtp->atios); 5059 if (atiop == NULL) { 5060 mpt_lprt(mpt, MPT_PRT_WARN, 5061 "no ATIOs for lun %jx- sending back %s\n", (uintmax_t)lun, 5062 mpt->tenabled? "QUEUE FULL" : "BUSY"); 5063 mpt_scsi_tgt_status(mpt, NULL, req, 5064 mpt->tenabled? SCSI_STATUS_QUEUE_FULL : SCSI_STATUS_BUSY, 5065 NULL, 0); 5066 return; 5067 } 5068 STAILQ_REMOVE_HEAD(&trtp->atios, sim_links.stqe); 5069 mpt_lprt(mpt, MPT_PRT_DEBUG1, 5070 "Get FREE ATIO %p lun %jx\n", atiop, 5071 (uintmax_t)atiop->ccb_h.target_lun); 5072 atiop->ccb_h.ccb_mpt_ptr = mpt; 5073 atiop->ccb_h.status = CAM_CDB_RECVD; 5074 atiop->ccb_h.target_lun = lun; 5075 atiop->sense_len = 0; 5076 atiop->tag_id = tgt->tag_id; 5077 atiop->init_id = GET_INITIATOR_INDEX(reply_desc); 5078 atiop->cdb_len = 16; 5079 memcpy(atiop->cdb_io.cdb_bytes, cdbp, atiop->cdb_len); 5080 if (tag_action) { 5081 atiop->tag_action = tag_action; 5082 atiop->ccb_h.flags |= CAM_TAG_ACTION_VALID; 5083 } 5084 if (mpt->verbose >= MPT_PRT_DEBUG) { 5085 int i; 5086 mpt_prt(mpt, "START_CCB %p for lun %jx CDB=<", atiop, 5087 (uintmax_t)atiop->ccb_h.target_lun); 5088 for (i = 0; i < atiop->cdb_len; i++) { 5089 mpt_prtc(mpt, "%02x%c", cdbp[i] & 0xff, 5090 (i == (atiop->cdb_len - 1))? '>' : ' '); 5091 } 5092 mpt_prtc(mpt, " itag %x tag %x rdesc %x dl=%u\n", 5093 tgt->itag, tgt->tag_id, tgt->reply_desc, tgt->resid); 5094 } 5095 5096 xpt_done((union ccb *)atiop); 5097 } 5098 5099 static void 5100 mpt_tgt_dump_tgt_state(struct mpt_softc *mpt, request_t *req) 5101 { 5102 mpt_tgt_state_t *tgt = MPT_TGT_STATE(mpt, req); 5103 5104 mpt_prt(mpt, "req %p:%u tgt:rdesc 0x%x resid %u xfrd %u ccb %p treq %p " 5105 "nx %d tag 0x%08x itag 0x%04x state=%d\n", req, req->serno, 5106 tgt->reply_desc, tgt->resid, tgt->bytes_xfered, tgt->ccb, 5107 tgt->req, tgt->nxfers, tgt->tag_id, tgt->itag, tgt->state); 5108 } 5109 5110 static void 5111 mpt_tgt_dump_req_state(struct mpt_softc *mpt, request_t *req) 5112 { 5113 5114 mpt_prt(mpt, "req %p:%u index %u (%x) state %x\n", req, req->serno, 5115 req->index, req->index, req->state); 5116 mpt_tgt_dump_tgt_state(mpt, req); 5117 } 5118 5119 static int 5120 mpt_scsi_tgt_reply_handler(struct mpt_softc *mpt, request_t *req, 5121 uint32_t reply_desc, MSG_DEFAULT_REPLY *reply_frame) 5122 { 5123 int dbg; 5124 union ccb *ccb; 5125 U16 status; 5126 5127 if (reply_frame == NULL) { 5128 /* 5129 * Figure out what the state of the command is. 5130 */ 5131 mpt_tgt_state_t *tgt = MPT_TGT_STATE(mpt, req); 5132 5133 #ifdef INVARIANTS 5134 mpt_req_spcl(mpt, req, "turbo scsi_tgt_reply", __LINE__); 5135 if (tgt->req) { 5136 mpt_req_not_spcl(mpt, tgt->req, 5137 "turbo scsi_tgt_reply associated req", __LINE__); 5138 } 5139 #endif 5140 switch(tgt->state) { 5141 case TGT_STATE_LOADED: 5142 /* 5143 * This is a new command starting. 5144 */ 5145 mpt_scsi_tgt_atio(mpt, req, reply_desc); 5146 break; 5147 case TGT_STATE_MOVING_DATA: 5148 { 5149 ccb = tgt->ccb; 5150 if (tgt->req == NULL) { 5151 panic("mpt: turbo target reply with null " 5152 "associated request moving data"); 5153 /* NOTREACHED */ 5154 } 5155 if (ccb == NULL) { 5156 if (tgt->is_local == 0) { 5157 panic("mpt: turbo target reply with " 5158 "null associated ccb moving data"); 5159 /* NOTREACHED */ 5160 } 5161 mpt_lprt(mpt, MPT_PRT_DEBUG, 5162 "TARGET_ASSIST local done\n"); 5163 TAILQ_REMOVE(&mpt->request_pending_list, 5164 tgt->req, links); 5165 mpt_free_request(mpt, tgt->req); 5166 tgt->req = NULL; 5167 mpt_scsi_tgt_status(mpt, NULL, req, 5168 0, NULL, 0); 5169 return (TRUE); 5170 } 5171 tgt->ccb = NULL; 5172 tgt->nxfers++; 5173 mpt_req_untimeout(tgt->req, mpt_timeout, ccb); 5174 mpt_lprt(mpt, MPT_PRT_DEBUG, 5175 "TARGET_ASSIST %p (req %p:%u) done tag 0x%x\n", 5176 ccb, tgt->req, tgt->req->serno, ccb->csio.tag_id); 5177 /* 5178 * Free the Target Assist Request 5179 */ 5180 KASSERT(tgt->req->ccb == ccb, 5181 ("tgt->req %p:%u tgt->req->ccb %p", tgt->req, 5182 tgt->req->serno, tgt->req->ccb)); 5183 TAILQ_REMOVE(&mpt->request_pending_list, 5184 tgt->req, links); 5185 mpt_free_request(mpt, tgt->req); 5186 tgt->req = NULL; 5187 5188 /* 5189 * Do we need to send status now? That is, are 5190 * we done with all our data transfers? 5191 */ 5192 if ((ccb->ccb_h.flags & CAM_SEND_STATUS) == 0) { 5193 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 5194 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 5195 KASSERT(ccb->ccb_h.status, 5196 ("zero ccb sts at %d", __LINE__)); 5197 tgt->state = TGT_STATE_IN_CAM; 5198 if (mpt->outofbeer) { 5199 ccb->ccb_h.status |= CAM_RELEASE_SIMQ; 5200 mpt->outofbeer = 0; 5201 mpt_lprt(mpt, MPT_PRT_DEBUG, "THAWQ\n"); 5202 } 5203 xpt_done(ccb); 5204 break; 5205 } 5206 /* 5207 * Otherwise, send status (and sense) 5208 */ 5209 mpt_scsi_tgt_status(mpt, ccb, req, 5210 ccb->csio.scsi_status, 5211 (void *)&ccb->csio.sense_data, 5212 (ccb->ccb_h.flags & CAM_SEND_SENSE) ? 5213 ccb->csio.sense_len : 0); 5214 break; 5215 } 5216 case TGT_STATE_SENDING_STATUS: 5217 case TGT_STATE_MOVING_DATA_AND_STATUS: 5218 { 5219 int ioindex; 5220 ccb = tgt->ccb; 5221 5222 if (tgt->req == NULL) { 5223 panic("mpt: turbo target reply with null " 5224 "associated request sending status"); 5225 /* NOTREACHED */ 5226 } 5227 5228 if (ccb) { 5229 tgt->ccb = NULL; 5230 if (tgt->state == 5231 TGT_STATE_MOVING_DATA_AND_STATUS) { 5232 tgt->nxfers++; 5233 } 5234 mpt_req_untimeout(tgt->req, mpt_timeout, ccb); 5235 if (ccb->ccb_h.flags & CAM_SEND_SENSE) { 5236 ccb->ccb_h.status |= CAM_SENT_SENSE; 5237 } 5238 mpt_lprt(mpt, MPT_PRT_DEBUG, 5239 "TARGET_STATUS tag %x sts %x flgs %x req " 5240 "%p\n", ccb->csio.tag_id, ccb->ccb_h.status, 5241 ccb->ccb_h.flags, tgt->req); 5242 /* 5243 * Free the Target Send Status Request 5244 */ 5245 KASSERT(tgt->req->ccb == ccb, 5246 ("tgt->req %p:%u tgt->req->ccb %p", 5247 tgt->req, tgt->req->serno, tgt->req->ccb)); 5248 /* 5249 * Notify CAM that we're done 5250 */ 5251 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 5252 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 5253 KASSERT(ccb->ccb_h.status, 5254 ("ZERO ccb sts at %d", __LINE__)); 5255 tgt->ccb = NULL; 5256 } else { 5257 mpt_lprt(mpt, MPT_PRT_DEBUG, 5258 "TARGET_STATUS non-CAM for req %p:%u\n", 5259 tgt->req, tgt->req->serno); 5260 } 5261 TAILQ_REMOVE(&mpt->request_pending_list, 5262 tgt->req, links); 5263 mpt_free_request(mpt, tgt->req); 5264 tgt->req = NULL; 5265 5266 /* 5267 * And re-post the Command Buffer. 5268 * This will reset the state. 5269 */ 5270 ioindex = GET_IO_INDEX(reply_desc); 5271 TAILQ_REMOVE(&mpt->request_pending_list, req, links); 5272 tgt->is_local = 0; 5273 mpt_post_target_command(mpt, req, ioindex); 5274 5275 /* 5276 * And post a done for anyone who cares 5277 */ 5278 if (ccb) { 5279 if (mpt->outofbeer) { 5280 ccb->ccb_h.status |= CAM_RELEASE_SIMQ; 5281 mpt->outofbeer = 0; 5282 mpt_lprt(mpt, MPT_PRT_DEBUG, "THAWQ\n"); 5283 } 5284 xpt_done(ccb); 5285 } 5286 break; 5287 } 5288 case TGT_STATE_NIL: /* XXX This Never Happens XXX */ 5289 tgt->state = TGT_STATE_LOADED; 5290 break; 5291 default: 5292 mpt_prt(mpt, "Unknown Target State 0x%x in Context " 5293 "Reply Function\n", tgt->state); 5294 } 5295 return (TRUE); 5296 } 5297 5298 status = le16toh(reply_frame->IOCStatus); 5299 if (status != MPI_IOCSTATUS_SUCCESS) { 5300 dbg = MPT_PRT_ERROR; 5301 } else { 5302 dbg = MPT_PRT_DEBUG1; 5303 } 5304 5305 mpt_lprt(mpt, dbg, 5306 "SCSI_TGT REPLY: req=%p:%u reply=%p func=%x IOCstatus 0x%x\n", 5307 req, req->serno, reply_frame, reply_frame->Function, status); 5308 5309 switch (reply_frame->Function) { 5310 case MPI_FUNCTION_TARGET_CMD_BUFFER_POST: 5311 { 5312 mpt_tgt_state_t *tgt; 5313 #ifdef INVARIANTS 5314 mpt_req_spcl(mpt, req, "tgt reply BUFFER POST", __LINE__); 5315 #endif 5316 if (status != MPI_IOCSTATUS_SUCCESS) { 5317 /* 5318 * XXX What to do? 5319 */ 5320 break; 5321 } 5322 tgt = MPT_TGT_STATE(mpt, req); 5323 KASSERT(tgt->state == TGT_STATE_LOADING, 5324 ("bad state 0x%x on reply to buffer post", tgt->state)); 5325 mpt_assign_serno(mpt, req); 5326 tgt->state = TGT_STATE_LOADED; 5327 break; 5328 } 5329 case MPI_FUNCTION_TARGET_ASSIST: 5330 #ifdef INVARIANTS 5331 mpt_req_not_spcl(mpt, req, "tgt reply TARGET ASSIST", __LINE__); 5332 #endif 5333 mpt_prt(mpt, "target assist completion\n"); 5334 TAILQ_REMOVE(&mpt->request_pending_list, req, links); 5335 mpt_free_request(mpt, req); 5336 break; 5337 case MPI_FUNCTION_TARGET_STATUS_SEND: 5338 #ifdef INVARIANTS 5339 mpt_req_not_spcl(mpt, req, "tgt reply STATUS SEND", __LINE__); 5340 #endif 5341 mpt_prt(mpt, "status send completion\n"); 5342 TAILQ_REMOVE(&mpt->request_pending_list, req, links); 5343 mpt_free_request(mpt, req); 5344 break; 5345 case MPI_FUNCTION_TARGET_MODE_ABORT: 5346 { 5347 PTR_MSG_TARGET_MODE_ABORT_REPLY abtrp = 5348 (PTR_MSG_TARGET_MODE_ABORT_REPLY) reply_frame; 5349 PTR_MSG_TARGET_MODE_ABORT abtp = 5350 (PTR_MSG_TARGET_MODE_ABORT) req->req_vbuf; 5351 uint32_t cc = GET_IO_INDEX(le32toh(abtp->ReplyWord)); 5352 #ifdef INVARIANTS 5353 mpt_req_not_spcl(mpt, req, "tgt reply TMODE ABORT", __LINE__); 5354 #endif 5355 mpt_prt(mpt, "ABORT RX_ID 0x%x Complete; status 0x%x cnt %u\n", 5356 cc, le16toh(abtrp->IOCStatus), le32toh(abtrp->AbortCount)); 5357 TAILQ_REMOVE(&mpt->request_pending_list, req, links); 5358 mpt_free_request(mpt, req); 5359 break; 5360 } 5361 default: 5362 mpt_prt(mpt, "Unknown Target Address Reply Function code: " 5363 "0x%x\n", reply_frame->Function); 5364 break; 5365 } 5366 return (TRUE); 5367 } 5368