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 * $FreeBSD: src/sys/dev/mpt/mpt_cam.c,v 1.84 2012/02/11 12:03:44 marius Exp $ 97 */ 98 99 #include <bus/cam/cam.h> 100 #include <bus/cam/cam_ccb.h> 101 #include <bus/cam/cam_xpt.h> 102 #include <bus/cam/cam_xpt_periph.h> 103 104 #include <dev/disk/mpt/mpt.h> 105 #include <dev/disk/mpt/mpt_cam.h> 106 #include <dev/disk/mpt/mpt_raid.h> 107 108 #include "dev/disk/mpt/mpilib/mpi_ioc.h" /* XXX Fix Event Handling!!! */ 109 #include "dev/disk/mpt/mpilib/mpi_init.h" 110 #include "dev/disk/mpt/mpilib/mpi_targ.h" 111 #include "dev/disk/mpt/mpilib/mpi_fc.h" 112 #include "dev/disk/mpt/mpilib/mpi_sas.h" 113 #include <sys/callout.h> 114 #include <sys/kthread.h> 115 #include <sys/sysctl.h> 116 117 static void mpt_poll(struct cam_sim *); 118 static timeout_t mpt_timeout; 119 static void mpt_action(struct cam_sim *, union ccb *); 120 static int 121 mpt_get_spi_settings(struct mpt_softc *, struct ccb_trans_settings *); 122 static void mpt_setwidth(struct mpt_softc *, int, int); 123 static void mpt_setsync(struct mpt_softc *, int, int, int); 124 static int mpt_update_spi_config(struct mpt_softc *, int); 125 126 static mpt_reply_handler_t mpt_scsi_reply_handler; 127 static mpt_reply_handler_t mpt_scsi_tmf_reply_handler; 128 static mpt_reply_handler_t mpt_fc_els_reply_handler; 129 static int mpt_scsi_reply_frame_handler(struct mpt_softc *, request_t *, 130 MSG_DEFAULT_REPLY *); 131 static int mpt_bus_reset(struct mpt_softc *, target_id_t, lun_id_t, int); 132 static int mpt_fc_reset_link(struct mpt_softc *, int); 133 134 static int mpt_spawn_recovery_thread(struct mpt_softc *mpt); 135 static void mpt_terminate_recovery_thread(struct mpt_softc *mpt); 136 static void mpt_recovery_thread(void *arg); 137 static void mpt_recover_commands(struct mpt_softc *mpt); 138 139 static int mpt_scsi_send_tmf(struct mpt_softc *, u_int, u_int, u_int, 140 u_int, u_int, u_int, int); 141 142 static void mpt_fc_post_els(struct mpt_softc *mpt, request_t *, int); 143 static void mpt_post_target_command(struct mpt_softc *, request_t *, int); 144 static int mpt_add_els_buffers(struct mpt_softc *mpt); 145 static int mpt_add_target_commands(struct mpt_softc *mpt); 146 static int mpt_enable_lun(struct mpt_softc *, target_id_t, lun_id_t); 147 static int mpt_disable_lun(struct mpt_softc *, target_id_t, lun_id_t); 148 static void mpt_target_start_io(struct mpt_softc *, union ccb *); 149 static cam_status mpt_abort_target_ccb(struct mpt_softc *, union ccb *); 150 static int mpt_abort_target_cmd(struct mpt_softc *, request_t *); 151 static void mpt_scsi_tgt_status(struct mpt_softc *, union ccb *, request_t *, 152 uint8_t, uint8_t const *); 153 static void 154 mpt_scsi_tgt_tsk_mgmt(struct mpt_softc *, request_t *, mpt_task_mgmt_t, 155 tgt_resource_t *, int); 156 static void mpt_tgt_dump_tgt_state(struct mpt_softc *, request_t *); 157 static void mpt_tgt_dump_req_state(struct mpt_softc *, request_t *); 158 static mpt_reply_handler_t mpt_scsi_tgt_reply_handler; 159 static mpt_reply_handler_t mpt_sata_pass_reply_handler; 160 161 static uint32_t scsi_io_handler_id = MPT_HANDLER_ID_NONE; 162 static uint32_t scsi_tmf_handler_id = MPT_HANDLER_ID_NONE; 163 static uint32_t fc_els_handler_id = MPT_HANDLER_ID_NONE; 164 static uint32_t sata_pass_handler_id = MPT_HANDLER_ID_NONE; 165 166 static mpt_probe_handler_t mpt_cam_probe; 167 static mpt_attach_handler_t mpt_cam_attach; 168 static mpt_enable_handler_t mpt_cam_enable; 169 static mpt_ready_handler_t mpt_cam_ready; 170 static mpt_event_handler_t mpt_cam_event; 171 static mpt_reset_handler_t mpt_cam_ioc_reset; 172 static mpt_detach_handler_t mpt_cam_detach; 173 174 static struct mpt_personality mpt_cam_personality = 175 { 176 .name = "mpt_cam", 177 .probe = mpt_cam_probe, 178 .attach = mpt_cam_attach, 179 .enable = mpt_cam_enable, 180 .ready = mpt_cam_ready, 181 .event = mpt_cam_event, 182 .reset = mpt_cam_ioc_reset, 183 .detach = mpt_cam_detach, 184 }; 185 186 DECLARE_MPT_PERSONALITY(mpt_cam, SI_ORDER_SECOND); 187 MODULE_DEPEND(mpt_cam, cam, 1, 1, 1); 188 189 int mpt_enable_sata_wc = -1; 190 TUNABLE_INT("hw.mpt.enable_sata_wc", &mpt_enable_sata_wc); 191 192 static int 193 mpt_cam_probe(struct mpt_softc *mpt) 194 { 195 int role; 196 197 /* 198 * Only attach to nodes that support the initiator or target role 199 * (or want to) or have RAID physical devices that need CAM pass-thru 200 * support. 201 */ 202 if (mpt->do_cfg_role) { 203 role = mpt->cfg_role; 204 } else { 205 role = mpt->role; 206 } 207 if ((role & (MPT_ROLE_TARGET|MPT_ROLE_INITIATOR)) != 0 || 208 (mpt->ioc_page2 != NULL && mpt->ioc_page2->MaxPhysDisks != 0)) { 209 return (0); 210 } 211 return (ENODEV); 212 } 213 214 static int 215 mpt_cam_attach(struct mpt_softc *mpt) 216 { 217 struct cam_devq *devq; 218 mpt_handler_t handler; 219 int maxq; 220 int error; 221 222 MPT_LOCK(mpt); 223 TAILQ_INIT(&mpt->request_timeout_list); 224 maxq = (mpt->ioc_facts.GlobalCredits < MPT_MAX_REQUESTS(mpt))? 225 mpt->ioc_facts.GlobalCredits : MPT_MAX_REQUESTS(mpt); 226 227 handler.reply_handler = mpt_scsi_reply_handler; 228 error = mpt_register_handler(mpt, MPT_HANDLER_REPLY, handler, 229 &scsi_io_handler_id); 230 if (error != 0) { 231 MPT_UNLOCK(mpt); 232 goto cleanup; 233 } 234 235 handler.reply_handler = mpt_scsi_tmf_reply_handler; 236 error = mpt_register_handler(mpt, MPT_HANDLER_REPLY, handler, 237 &scsi_tmf_handler_id); 238 if (error != 0) { 239 MPT_UNLOCK(mpt); 240 goto cleanup; 241 } 242 243 /* 244 * If we're fibre channel and could support target mode, we register 245 * an ELS reply handler and give it resources. 246 */ 247 if (mpt->is_fc && (mpt->role & MPT_ROLE_TARGET) != 0) { 248 handler.reply_handler = mpt_fc_els_reply_handler; 249 error = mpt_register_handler(mpt, MPT_HANDLER_REPLY, handler, 250 &fc_els_handler_id); 251 if (error != 0) { 252 MPT_UNLOCK(mpt); 253 goto cleanup; 254 } 255 if (mpt_add_els_buffers(mpt) == FALSE) { 256 error = ENOMEM; 257 MPT_UNLOCK(mpt); 258 goto cleanup; 259 } 260 maxq -= mpt->els_cmds_allocated; 261 } 262 263 /* 264 * If we support target mode, we register a reply handler for it, 265 * but don't add command resources until we actually enable target 266 * mode. 267 */ 268 if (mpt->is_fc && (mpt->role & MPT_ROLE_TARGET) != 0) { 269 handler.reply_handler = mpt_scsi_tgt_reply_handler; 270 error = mpt_register_handler(mpt, MPT_HANDLER_REPLY, handler, 271 &mpt->scsi_tgt_handler_id); 272 if (error != 0) { 273 MPT_UNLOCK(mpt); 274 goto cleanup; 275 } 276 } 277 278 if (mpt->is_sas) { 279 handler.reply_handler = mpt_sata_pass_reply_handler; 280 error = mpt_register_handler(mpt, MPT_HANDLER_REPLY, handler, 281 &sata_pass_handler_id); 282 if (error != 0) { 283 MPT_UNLOCK(mpt); 284 goto cleanup; 285 } 286 } 287 288 /* 289 * We keep one request reserved for timeout TMF requests. 290 */ 291 mpt->tmf_req = mpt_get_request(mpt, FALSE); 292 if (mpt->tmf_req == NULL) { 293 mpt_prt(mpt, "Unable to allocate dedicated TMF request!\n"); 294 error = ENOMEM; 295 MPT_UNLOCK(mpt); 296 goto cleanup; 297 } 298 299 /* 300 * Mark the request as free even though not on the free list. 301 * There is only one TMF request allowed to be outstanding at 302 * a time and the TMF routines perform their own allocation 303 * tracking using the standard state flags. 304 */ 305 mpt->tmf_req->state = REQ_STATE_FREE; 306 maxq--; 307 308 /* 309 * The rest of this is CAM foo, for which we need to drop our lock 310 */ 311 MPT_UNLOCK(mpt); 312 313 if (mpt_spawn_recovery_thread(mpt) != 0) { 314 mpt_prt(mpt, "Unable to spawn recovery thread!\n"); 315 error = ENOMEM; 316 goto cleanup; 317 } 318 319 /* 320 * Create the device queue for our SIM(s). 321 */ 322 devq = cam_simq_alloc(maxq); 323 if (devq == NULL) { 324 mpt_prt(mpt, "Unable to allocate CAM SIMQ!\n"); 325 error = ENOMEM; 326 goto cleanup; 327 } 328 329 /* 330 * Construct our SIM entry. 331 */ 332 mpt->sim = 333 mpt_sim_alloc(mpt_action, mpt_poll, "mpt", mpt, 1, maxq, devq); 334 if (mpt->sim == NULL) { 335 mpt_prt(mpt, "Unable to allocate CAM SIM!\n"); 336 cam_devq_release(devq); 337 error = ENOMEM; 338 goto cleanup; 339 } 340 341 /* 342 * Register exactly this bus. 343 */ 344 MPT_LOCK(mpt); 345 if (xpt_bus_register(mpt->sim, 0) != CAM_SUCCESS) { 346 mpt_prt(mpt, "Bus registration Failed!\n"); 347 error = ENOMEM; 348 MPT_UNLOCK(mpt); 349 goto cleanup; 350 } 351 352 if (xpt_create_path(&mpt->path, NULL, cam_sim_path(mpt->sim), 353 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 354 mpt_prt(mpt, "Unable to allocate Path!\n"); 355 error = ENOMEM; 356 MPT_UNLOCK(mpt); 357 goto cleanup; 358 } 359 MPT_UNLOCK(mpt); 360 361 /* 362 * Only register a second bus for RAID physical 363 * devices if the controller supports RAID. 364 */ 365 if (mpt->ioc_page2 == NULL || mpt->ioc_page2->MaxPhysDisks == 0) { 366 return (0); 367 } 368 369 /* 370 * Create a "bus" to export all hidden disks to CAM. 371 */ 372 mpt->phydisk_sim = 373 mpt_sim_alloc(mpt_action, mpt_poll, "mpt", mpt, 1, maxq, devq); 374 if (mpt->phydisk_sim == NULL) { 375 mpt_prt(mpt, "Unable to allocate Physical Disk CAM SIM!\n"); 376 error = ENOMEM; 377 goto cleanup; 378 } 379 380 /* 381 * Register this bus. 382 */ 383 MPT_LOCK(mpt); 384 if (xpt_bus_register(mpt->phydisk_sim, 1) != 385 CAM_SUCCESS) { 386 mpt_prt(mpt, "Physical Disk Bus registration Failed!\n"); 387 error = ENOMEM; 388 MPT_UNLOCK(mpt); 389 goto cleanup; 390 } 391 392 if (xpt_create_path(&mpt->phydisk_path, NULL, 393 cam_sim_path(mpt->phydisk_sim), 394 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 395 mpt_prt(mpt, "Unable to allocate Physical Disk Path!\n"); 396 error = ENOMEM; 397 MPT_UNLOCK(mpt); 398 goto cleanup; 399 } 400 MPT_UNLOCK(mpt); 401 mpt_lprt(mpt, MPT_PRT_DEBUG, "attached cam\n"); 402 return (0); 403 404 cleanup: 405 mpt_cam_detach(mpt); 406 return (error); 407 } 408 409 /* 410 * Read FC configuration information 411 */ 412 static int 413 mpt_read_config_info_fc(struct mpt_softc *mpt) 414 { 415 struct sysctl_ctx_list *ctx; 416 struct sysctl_oid *tree; 417 char *topology = NULL; 418 int rv; 419 420 rv = mpt_read_cfg_header(mpt, MPI_CONFIG_PAGETYPE_FC_PORT, 0, 421 0, &mpt->mpt_fcport_page0.Header, FALSE, 5000); 422 if (rv) { 423 return (-1); 424 } 425 mpt_lprt(mpt, MPT_PRT_DEBUG, "FC Port Page 0 Header: %x %x %x %x\n", 426 mpt->mpt_fcport_page0.Header.PageVersion, 427 mpt->mpt_fcport_page0.Header.PageLength, 428 mpt->mpt_fcport_page0.Header.PageNumber, 429 mpt->mpt_fcport_page0.Header.PageType); 430 431 432 rv = mpt_read_cur_cfg_page(mpt, 0, &mpt->mpt_fcport_page0.Header, 433 sizeof(mpt->mpt_fcport_page0), FALSE, 5000); 434 if (rv) { 435 mpt_prt(mpt, "failed to read FC Port Page 0\n"); 436 return (-1); 437 } 438 mpt2host_config_page_fc_port_0(&mpt->mpt_fcport_page0); 439 440 mpt->mpt_fcport_speed = mpt->mpt_fcport_page0.CurrentSpeed; 441 442 switch (mpt->mpt_fcport_page0.Flags & 443 MPI_FCPORTPAGE0_FLAGS_ATTACH_TYPE_MASK) { 444 case MPI_FCPORTPAGE0_FLAGS_ATTACH_NO_INIT: 445 mpt->mpt_fcport_speed = 0; 446 topology = "<NO LOOP>"; 447 break; 448 case MPI_FCPORTPAGE0_FLAGS_ATTACH_POINT_TO_POINT: 449 topology = "N-Port"; 450 break; 451 case MPI_FCPORTPAGE0_FLAGS_ATTACH_PRIVATE_LOOP: 452 topology = "NL-Port"; 453 break; 454 case MPI_FCPORTPAGE0_FLAGS_ATTACH_FABRIC_DIRECT: 455 topology = "F-Port"; 456 break; 457 case MPI_FCPORTPAGE0_FLAGS_ATTACH_PUBLIC_LOOP: 458 topology = "FL-Port"; 459 break; 460 default: 461 mpt->mpt_fcport_speed = 0; 462 topology = "?"; 463 break; 464 } 465 466 mpt_lprt(mpt, MPT_PRT_INFO, 467 "FC Port Page 0: Topology <%s> WWNN 0x%08x%08x WWPN 0x%08x%08x " 468 "Speed %u-Gbit\n", topology, 469 mpt->mpt_fcport_page0.WWNN.High, 470 mpt->mpt_fcport_page0.WWNN.Low, 471 mpt->mpt_fcport_page0.WWPN.High, 472 mpt->mpt_fcport_page0.WWPN.Low, 473 mpt->mpt_fcport_speed); 474 MPT_UNLOCK(mpt); 475 ctx = device_get_sysctl_ctx(mpt->dev); 476 tree = device_get_sysctl_tree(mpt->dev); 477 478 ksnprintf(mpt->scinfo.fc.wwnn, 479 sizeof (mpt->scinfo.fc.wwnn), "0x%08x%08x", 480 mpt->mpt_fcport_page0.WWNN.High, 481 mpt->mpt_fcport_page0.WWNN.Low); 482 483 ksnprintf(mpt->scinfo.fc.wwpn, 484 sizeof (mpt->scinfo.fc.wwpn), "0x%08x%08x", 485 mpt->mpt_fcport_page0.WWPN.High, 486 mpt->mpt_fcport_page0.WWPN.Low); 487 488 SYSCTL_ADD_STRING(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 489 "wwnn", CTLFLAG_RD, mpt->scinfo.fc.wwnn, 0, 490 "World Wide Node Name"); 491 492 SYSCTL_ADD_STRING(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 493 "wwpn", CTLFLAG_RD, mpt->scinfo.fc.wwpn, 0, 494 "World Wide Port Name"); 495 496 MPT_LOCK(mpt); 497 return (0); 498 } 499 500 /* 501 * Set FC configuration information. 502 */ 503 static int 504 mpt_set_initial_config_fc(struct mpt_softc *mpt) 505 { 506 CONFIG_PAGE_FC_PORT_1 fc; 507 U32 fl; 508 int r, doit = 0; 509 int role; 510 511 r = mpt_read_cfg_header(mpt, MPI_CONFIG_PAGETYPE_FC_PORT, 1, 0, 512 &fc.Header, FALSE, 5000); 513 if (r) { 514 mpt_prt(mpt, "failed to read FC page 1 header\n"); 515 return (mpt_fc_reset_link(mpt, 1)); 516 } 517 518 r = mpt_read_cfg_page(mpt, MPI_CONFIG_ACTION_PAGE_READ_NVRAM, 0, 519 &fc.Header, sizeof (fc), FALSE, 5000); 520 if (r) { 521 mpt_prt(mpt, "failed to read FC page 1\n"); 522 return (mpt_fc_reset_link(mpt, 1)); 523 } 524 mpt2host_config_page_fc_port_1(&fc); 525 526 /* 527 * Check our flags to make sure we support the role we want. 528 */ 529 doit = 0; 530 role = 0; 531 fl = fc.Flags; 532 533 if (fl & MPI_FCPORTPAGE1_FLAGS_PROT_FCP_INIT) { 534 role |= MPT_ROLE_INITIATOR; 535 } 536 if (fl & MPI_FCPORTPAGE1_FLAGS_PROT_FCP_TARG) { 537 role |= MPT_ROLE_TARGET; 538 } 539 540 fl &= ~MPI_FCPORTPAGE1_FLAGS_PROT_MASK; 541 542 if (mpt->do_cfg_role == 0) { 543 role = mpt->cfg_role; 544 } else { 545 mpt->do_cfg_role = 0; 546 } 547 548 if (role != mpt->cfg_role) { 549 if (mpt->cfg_role & MPT_ROLE_INITIATOR) { 550 if ((role & MPT_ROLE_INITIATOR) == 0) { 551 mpt_prt(mpt, "adding initiator role\n"); 552 fl |= MPI_FCPORTPAGE1_FLAGS_PROT_FCP_INIT; 553 doit++; 554 } else { 555 mpt_prt(mpt, "keeping initiator role\n"); 556 } 557 } else if (role & MPT_ROLE_INITIATOR) { 558 mpt_prt(mpt, "removing initiator role\n"); 559 doit++; 560 } 561 if (mpt->cfg_role & MPT_ROLE_TARGET) { 562 if ((role & MPT_ROLE_TARGET) == 0) { 563 mpt_prt(mpt, "adding target role\n"); 564 fl |= MPI_FCPORTPAGE1_FLAGS_PROT_FCP_TARG; 565 doit++; 566 } else { 567 mpt_prt(mpt, "keeping target role\n"); 568 } 569 } else if (role & MPT_ROLE_TARGET) { 570 mpt_prt(mpt, "removing target role\n"); 571 doit++; 572 } 573 mpt->role = mpt->cfg_role; 574 } 575 576 if (fl & MPI_FCPORTPAGE1_FLAGS_PROT_FCP_TARG) { 577 if ((fl & MPI_FCPORTPAGE1_FLAGS_TARGET_MODE_OXID) == 0) { 578 mpt_prt(mpt, "adding OXID option\n"); 579 fl |= MPI_FCPORTPAGE1_FLAGS_TARGET_MODE_OXID; 580 doit++; 581 } 582 } 583 584 if (doit) { 585 fc.Flags = fl; 586 host2mpt_config_page_fc_port_1(&fc); 587 r = mpt_write_cfg_page(mpt, 588 MPI_CONFIG_ACTION_PAGE_WRITE_NVRAM, 0, &fc.Header, 589 sizeof(fc), FALSE, 5000); 590 if (r != 0) { 591 mpt_prt(mpt, "failed to update NVRAM with changes\n"); 592 return (0); 593 } 594 mpt_prt(mpt, "NOTE: NVRAM changes will not take " 595 "effect until next reboot or IOC reset\n"); 596 } 597 return (0); 598 } 599 600 static int 601 mptsas_sas_io_unit_pg0(struct mpt_softc *mpt, struct mptsas_portinfo *portinfo) 602 { 603 ConfigExtendedPageHeader_t hdr; 604 struct mptsas_phyinfo *phyinfo; 605 SasIOUnitPage0_t *buffer; 606 int error, len, i; 607 608 error = mpt_read_extcfg_header(mpt, MPI_SASIOUNITPAGE0_PAGEVERSION, 609 0, 0, MPI_CONFIG_EXTPAGETYPE_SAS_IO_UNIT, 610 &hdr, 0, 10000); 611 if (error) 612 goto out; 613 if (hdr.ExtPageLength == 0) { 614 error = ENXIO; 615 goto out; 616 } 617 618 len = hdr.ExtPageLength * 4; 619 buffer = kmalloc(len, M_DEVBUF, M_NOWAIT|M_ZERO); 620 if (buffer == NULL) { 621 error = ENOMEM; 622 goto out; 623 } 624 625 error = mpt_read_extcfg_page(mpt, MPI_CONFIG_ACTION_PAGE_READ_CURRENT, 626 0, &hdr, buffer, len, 0, 10000); 627 if (error) { 628 kfree(buffer, M_DEVBUF); 629 goto out; 630 } 631 632 portinfo->num_phys = buffer->NumPhys; 633 portinfo->phy_info = kmalloc(sizeof(*portinfo->phy_info) * 634 portinfo->num_phys, M_DEVBUF, M_NOWAIT|M_ZERO); 635 if (portinfo->phy_info == NULL) { 636 kfree(buffer, M_DEVBUF); 637 error = ENOMEM; 638 goto out; 639 } 640 641 for (i = 0; i < portinfo->num_phys; i++) { 642 phyinfo = &portinfo->phy_info[i]; 643 phyinfo->phy_num = i; 644 phyinfo->port_id = buffer->PhyData[i].Port; 645 phyinfo->negotiated_link_rate = 646 buffer->PhyData[i].NegotiatedLinkRate; 647 phyinfo->handle = 648 le16toh(buffer->PhyData[i].ControllerDevHandle); 649 } 650 651 kfree(buffer, M_DEVBUF); 652 out: 653 return (error); 654 } 655 656 static int 657 mptsas_sas_phy_pg0(struct mpt_softc *mpt, struct mptsas_phyinfo *phy_info, 658 uint32_t form, uint32_t form_specific) 659 { 660 ConfigExtendedPageHeader_t hdr; 661 SasPhyPage0_t *buffer; 662 int error; 663 664 error = mpt_read_extcfg_header(mpt, MPI_SASPHY0_PAGEVERSION, 0, 0, 665 MPI_CONFIG_EXTPAGETYPE_SAS_PHY, &hdr, 666 0, 10000); 667 if (error) 668 goto out; 669 if (hdr.ExtPageLength == 0) { 670 error = ENXIO; 671 goto out; 672 } 673 674 buffer = kmalloc(sizeof(SasPhyPage0_t), M_DEVBUF, M_NOWAIT|M_ZERO); 675 if (buffer == NULL) { 676 error = ENOMEM; 677 goto out; 678 } 679 680 error = mpt_read_extcfg_page(mpt, MPI_CONFIG_ACTION_PAGE_READ_CURRENT, 681 form + form_specific, &hdr, buffer, 682 sizeof(SasPhyPage0_t), 0, 10000); 683 if (error) { 684 kfree(buffer, M_DEVBUF); 685 goto out; 686 } 687 688 phy_info->hw_link_rate = buffer->HwLinkRate; 689 phy_info->programmed_link_rate = buffer->ProgrammedLinkRate; 690 phy_info->identify.dev_handle = le16toh(buffer->OwnerDevHandle); 691 phy_info->attached.dev_handle = le16toh(buffer->AttachedDevHandle); 692 693 kfree(buffer, M_DEVBUF); 694 out: 695 return (error); 696 } 697 698 static int 699 mptsas_sas_device_pg0(struct mpt_softc *mpt, struct mptsas_devinfo *device_info, 700 uint32_t form, uint32_t form_specific) 701 { 702 ConfigExtendedPageHeader_t hdr; 703 SasDevicePage0_t *buffer; 704 uint64_t sas_address; 705 int error = 0; 706 707 bzero(device_info, sizeof(*device_info)); 708 error = mpt_read_extcfg_header(mpt, MPI_SASDEVICE0_PAGEVERSION, 0, 0, 709 MPI_CONFIG_EXTPAGETYPE_SAS_DEVICE, 710 &hdr, 0, 10000); 711 if (error) 712 goto out; 713 if (hdr.ExtPageLength == 0) { 714 error = ENXIO; 715 goto out; 716 } 717 718 buffer = kmalloc(sizeof(SasDevicePage0_t), M_DEVBUF, M_NOWAIT|M_ZERO); 719 if (buffer == NULL) { 720 error = ENOMEM; 721 goto out; 722 } 723 724 error = mpt_read_extcfg_page(mpt, MPI_CONFIG_ACTION_PAGE_READ_CURRENT, 725 form + form_specific, &hdr, buffer, 726 sizeof(SasDevicePage0_t), 0, 10000); 727 if (error) { 728 kfree(buffer, M_DEVBUF); 729 goto out; 730 } 731 732 device_info->dev_handle = le16toh(buffer->DevHandle); 733 device_info->parent_dev_handle = le16toh(buffer->ParentDevHandle); 734 device_info->enclosure_handle = le16toh(buffer->EnclosureHandle); 735 device_info->slot = le16toh(buffer->Slot); 736 device_info->phy_num = buffer->PhyNum; 737 device_info->physical_port = buffer->PhysicalPort; 738 device_info->target_id = buffer->TargetID; 739 device_info->bus = buffer->Bus; 740 bcopy(&buffer->SASAddress, &sas_address, sizeof(uint64_t)); 741 device_info->sas_address = le64toh(sas_address); 742 device_info->device_info = le32toh(buffer->DeviceInfo); 743 744 kfree(buffer, M_DEVBUF); 745 out: 746 return (error); 747 } 748 749 /* 750 * Read SAS configuration information. Nothing to do yet. 751 */ 752 static int 753 mpt_read_config_info_sas(struct mpt_softc *mpt) 754 { 755 struct mptsas_portinfo *portinfo; 756 struct mptsas_phyinfo *phyinfo; 757 int error, i; 758 759 portinfo = kmalloc(sizeof(*portinfo), M_DEVBUF, M_NOWAIT|M_ZERO); 760 if (portinfo == NULL) 761 return (ENOMEM); 762 763 error = mptsas_sas_io_unit_pg0(mpt, portinfo); 764 if (error) { 765 kfree(portinfo, M_DEVBUF); 766 return (0); 767 } 768 769 for (i = 0; i < portinfo->num_phys; i++) { 770 phyinfo = &portinfo->phy_info[i]; 771 error = mptsas_sas_phy_pg0(mpt, phyinfo, 772 (MPI_SAS_PHY_PGAD_FORM_PHY_NUMBER << 773 MPI_SAS_PHY_PGAD_FORM_SHIFT), i); 774 if (error) 775 break; 776 error = mptsas_sas_device_pg0(mpt, &phyinfo->identify, 777 (MPI_SAS_DEVICE_PGAD_FORM_HANDLE << 778 MPI_SAS_DEVICE_PGAD_FORM_SHIFT), 779 phyinfo->handle); 780 if (error) 781 break; 782 phyinfo->identify.phy_num = phyinfo->phy_num = i; 783 if (phyinfo->attached.dev_handle) 784 error = mptsas_sas_device_pg0(mpt, 785 &phyinfo->attached, 786 (MPI_SAS_DEVICE_PGAD_FORM_HANDLE << 787 MPI_SAS_DEVICE_PGAD_FORM_SHIFT), 788 phyinfo->attached.dev_handle); 789 if (error) 790 break; 791 } 792 mpt->sas_portinfo = portinfo; 793 return (0); 794 } 795 796 static void 797 mptsas_set_sata_wc(struct mpt_softc *mpt, struct mptsas_devinfo *devinfo, 798 int enabled) 799 { 800 SataPassthroughRequest_t *pass; 801 request_t *req; 802 int error, status; 803 804 req = mpt_get_request(mpt, 0); 805 if (req == NULL) 806 return; 807 808 pass = req->req_vbuf; 809 bzero(pass, sizeof(SataPassthroughRequest_t)); 810 pass->Function = MPI_FUNCTION_SATA_PASSTHROUGH; 811 pass->TargetID = devinfo->target_id; 812 pass->Bus = devinfo->bus; 813 pass->PassthroughFlags = 0; 814 pass->ConnectionRate = MPI_SATA_PT_REQ_CONNECT_RATE_NEGOTIATED; 815 pass->DataLength = 0; 816 pass->MsgContext = htole32(req->index | sata_pass_handler_id); 817 pass->CommandFIS[0] = 0x27; 818 pass->CommandFIS[1] = 0x80; 819 pass->CommandFIS[2] = 0xef; 820 pass->CommandFIS[3] = (enabled) ? 0x02 : 0x82; 821 pass->CommandFIS[7] = 0x40; 822 pass->CommandFIS[15] = 0x08; 823 824 mpt_check_doorbell(mpt); 825 mpt_send_cmd(mpt, req); 826 error = mpt_wait_req(mpt, req, REQ_STATE_DONE, REQ_STATE_DONE, 0, 827 10 * 1000); 828 if (error) { 829 mpt_free_request(mpt, req); 830 kprintf("error %d sending passthrough\n", error); 831 return; 832 } 833 834 status = le16toh(req->IOCStatus); 835 if (status != MPI_IOCSTATUS_SUCCESS) { 836 mpt_free_request(mpt, req); 837 kprintf("IOCSTATUS %d\n", status); 838 return; 839 } 840 841 mpt_free_request(mpt, req); 842 } 843 844 /* 845 * Set SAS configuration information. Nothing to do yet. 846 */ 847 static int 848 mpt_set_initial_config_sas(struct mpt_softc *mpt) 849 { 850 struct mptsas_phyinfo *phyinfo; 851 int i; 852 853 if ((mpt_enable_sata_wc != -1) && (mpt->sas_portinfo != NULL)) { 854 for (i = 0; i < mpt->sas_portinfo->num_phys; i++) { 855 phyinfo = &mpt->sas_portinfo->phy_info[i]; 856 if (phyinfo->attached.dev_handle == 0) 857 continue; 858 if ((phyinfo->attached.device_info & 859 MPI_SAS_DEVICE_INFO_SATA_DEVICE) == 0) 860 continue; 861 if (bootverbose) 862 device_printf(mpt->dev, 863 "%sabling SATA WC on phy %d\n", 864 (mpt_enable_sata_wc) ? "En" : "Dis", i); 865 mptsas_set_sata_wc(mpt, &phyinfo->attached, 866 mpt_enable_sata_wc); 867 } 868 } 869 870 return (0); 871 } 872 873 static int 874 mpt_sata_pass_reply_handler(struct mpt_softc *mpt, request_t *req, 875 uint32_t reply_desc, MSG_DEFAULT_REPLY *reply_frame) 876 { 877 878 if (req != NULL) { 879 if (reply_frame != NULL) { 880 req->IOCStatus = le16toh(reply_frame->IOCStatus); 881 } 882 req->state &= ~REQ_STATE_QUEUED; 883 req->state |= REQ_STATE_DONE; 884 TAILQ_REMOVE(&mpt->request_pending_list, req, links); 885 if ((req->state & REQ_STATE_NEED_WAKEUP) != 0) { 886 wakeup(req); 887 } else if ((req->state & REQ_STATE_TIMEDOUT) != 0) { 888 /* 889 * Whew- we can free this request (late completion) 890 */ 891 mpt_free_request(mpt, req); 892 } 893 } 894 895 return (TRUE); 896 } 897 898 /* 899 * Read SCSI configuration information 900 */ 901 static int 902 mpt_read_config_info_spi(struct mpt_softc *mpt) 903 { 904 int rv, i; 905 906 rv = mpt_read_cfg_header(mpt, MPI_CONFIG_PAGETYPE_SCSI_PORT, 0, 0, 907 &mpt->mpt_port_page0.Header, FALSE, 5000); 908 if (rv) { 909 return (-1); 910 } 911 mpt_lprt(mpt, MPT_PRT_DEBUG, "SPI Port Page 0 Header: %x %x %x %x\n", 912 mpt->mpt_port_page0.Header.PageVersion, 913 mpt->mpt_port_page0.Header.PageLength, 914 mpt->mpt_port_page0.Header.PageNumber, 915 mpt->mpt_port_page0.Header.PageType); 916 917 rv = mpt_read_cfg_header(mpt, MPI_CONFIG_PAGETYPE_SCSI_PORT, 1, 0, 918 &mpt->mpt_port_page1.Header, FALSE, 5000); 919 if (rv) { 920 return (-1); 921 } 922 mpt_lprt(mpt, MPT_PRT_DEBUG, "SPI Port Page 1 Header: %x %x %x %x\n", 923 mpt->mpt_port_page1.Header.PageVersion, 924 mpt->mpt_port_page1.Header.PageLength, 925 mpt->mpt_port_page1.Header.PageNumber, 926 mpt->mpt_port_page1.Header.PageType); 927 928 rv = mpt_read_cfg_header(mpt, MPI_CONFIG_PAGETYPE_SCSI_PORT, 2, 0, 929 &mpt->mpt_port_page2.Header, FALSE, 5000); 930 if (rv) { 931 return (-1); 932 } 933 mpt_lprt(mpt, MPT_PRT_DEBUG, "SPI Port Page 2 Header: %x %x %x %x\n", 934 mpt->mpt_port_page2.Header.PageVersion, 935 mpt->mpt_port_page2.Header.PageLength, 936 mpt->mpt_port_page2.Header.PageNumber, 937 mpt->mpt_port_page2.Header.PageType); 938 939 for (i = 0; i < 16; i++) { 940 rv = mpt_read_cfg_header(mpt, MPI_CONFIG_PAGETYPE_SCSI_DEVICE, 941 0, i, &mpt->mpt_dev_page0[i].Header, FALSE, 5000); 942 if (rv) { 943 return (-1); 944 } 945 mpt_lprt(mpt, MPT_PRT_DEBUG, 946 "SPI Target %d Device Page 0 Header: %x %x %x %x\n", i, 947 mpt->mpt_dev_page0[i].Header.PageVersion, 948 mpt->mpt_dev_page0[i].Header.PageLength, 949 mpt->mpt_dev_page0[i].Header.PageNumber, 950 mpt->mpt_dev_page0[i].Header.PageType); 951 952 rv = mpt_read_cfg_header(mpt, MPI_CONFIG_PAGETYPE_SCSI_DEVICE, 953 1, i, &mpt->mpt_dev_page1[i].Header, FALSE, 5000); 954 if (rv) { 955 return (-1); 956 } 957 mpt_lprt(mpt, MPT_PRT_DEBUG, 958 "SPI Target %d Device Page 1 Header: %x %x %x %x\n", i, 959 mpt->mpt_dev_page1[i].Header.PageVersion, 960 mpt->mpt_dev_page1[i].Header.PageLength, 961 mpt->mpt_dev_page1[i].Header.PageNumber, 962 mpt->mpt_dev_page1[i].Header.PageType); 963 } 964 965 /* 966 * At this point, we don't *have* to fail. As long as we have 967 * valid config header information, we can (barely) lurch 968 * along. 969 */ 970 971 rv = mpt_read_cur_cfg_page(mpt, 0, &mpt->mpt_port_page0.Header, 972 sizeof(mpt->mpt_port_page0), FALSE, 5000); 973 if (rv) { 974 mpt_prt(mpt, "failed to read SPI Port Page 0\n"); 975 } else { 976 mpt2host_config_page_scsi_port_0(&mpt->mpt_port_page0); 977 mpt_lprt(mpt, MPT_PRT_NEGOTIATION, 978 "SPI Port Page 0: Capabilities %x PhysicalInterface %x\n", 979 mpt->mpt_port_page0.Capabilities, 980 mpt->mpt_port_page0.PhysicalInterface); 981 } 982 983 rv = mpt_read_cur_cfg_page(mpt, 0, &mpt->mpt_port_page1.Header, 984 sizeof(mpt->mpt_port_page1), FALSE, 5000); 985 if (rv) { 986 mpt_prt(mpt, "failed to read SPI Port Page 1\n"); 987 } else { 988 mpt2host_config_page_scsi_port_1(&mpt->mpt_port_page1); 989 mpt_lprt(mpt, MPT_PRT_DEBUG, 990 "SPI Port Page 1: Configuration %x OnBusTimerValue %x\n", 991 mpt->mpt_port_page1.Configuration, 992 mpt->mpt_port_page1.OnBusTimerValue); 993 } 994 995 rv = mpt_read_cur_cfg_page(mpt, 0, &mpt->mpt_port_page2.Header, 996 sizeof(mpt->mpt_port_page2), FALSE, 5000); 997 if (rv) { 998 mpt_prt(mpt, "failed to read SPI Port Page 2\n"); 999 } else { 1000 mpt_lprt(mpt, MPT_PRT_NEGOTIATION, 1001 "Port Page 2: Flags %x Settings %x\n", 1002 mpt->mpt_port_page2.PortFlags, 1003 mpt->mpt_port_page2.PortSettings); 1004 mpt2host_config_page_scsi_port_2(&mpt->mpt_port_page2); 1005 for (i = 0; i < 16; i++) { 1006 mpt_lprt(mpt, MPT_PRT_NEGOTIATION, 1007 " Port Page 2 Tgt %d: timo %x SF %x Flags %x\n", 1008 i, mpt->mpt_port_page2.DeviceSettings[i].Timeout, 1009 mpt->mpt_port_page2.DeviceSettings[i].SyncFactor, 1010 mpt->mpt_port_page2.DeviceSettings[i].DeviceFlags); 1011 } 1012 } 1013 1014 for (i = 0; i < 16; i++) { 1015 rv = mpt_read_cur_cfg_page(mpt, i, 1016 &mpt->mpt_dev_page0[i].Header, sizeof(*mpt->mpt_dev_page0), 1017 FALSE, 5000); 1018 if (rv) { 1019 mpt_prt(mpt, 1020 "cannot read SPI Target %d Device Page 0\n", i); 1021 continue; 1022 } 1023 mpt2host_config_page_scsi_device_0(&mpt->mpt_dev_page0[i]); 1024 mpt_lprt(mpt, MPT_PRT_NEGOTIATION, 1025 "target %d page 0: Negotiated Params %x Information %x\n", 1026 i, mpt->mpt_dev_page0[i].NegotiatedParameters, 1027 mpt->mpt_dev_page0[i].Information); 1028 1029 rv = mpt_read_cur_cfg_page(mpt, i, 1030 &mpt->mpt_dev_page1[i].Header, sizeof(*mpt->mpt_dev_page1), 1031 FALSE, 5000); 1032 if (rv) { 1033 mpt_prt(mpt, 1034 "cannot read SPI Target %d Device Page 1\n", i); 1035 continue; 1036 } 1037 mpt2host_config_page_scsi_device_1(&mpt->mpt_dev_page1[i]); 1038 mpt_lprt(mpt, MPT_PRT_NEGOTIATION, 1039 "target %d page 1: Requested Params %x Configuration %x\n", 1040 i, mpt->mpt_dev_page1[i].RequestedParameters, 1041 mpt->mpt_dev_page1[i].Configuration); 1042 } 1043 return (0); 1044 } 1045 1046 /* 1047 * Validate SPI configuration information. 1048 * 1049 * In particular, validate SPI Port Page 1. 1050 */ 1051 static int 1052 mpt_set_initial_config_spi(struct mpt_softc *mpt) 1053 { 1054 int error, i, pp1val; 1055 1056 mpt->mpt_disc_enable = 0xff; 1057 mpt->mpt_tag_enable = 0; 1058 1059 pp1val = ((1 << mpt->mpt_ini_id) << 1060 MPI_SCSIPORTPAGE1_CFG_SHIFT_PORT_RESPONSE_ID) | mpt->mpt_ini_id; 1061 if (mpt->mpt_port_page1.Configuration != pp1val) { 1062 CONFIG_PAGE_SCSI_PORT_1 tmp; 1063 1064 mpt_prt(mpt, "SPI Port Page 1 Config value bad (%x)- should " 1065 "be %x\n", mpt->mpt_port_page1.Configuration, pp1val); 1066 tmp = mpt->mpt_port_page1; 1067 tmp.Configuration = pp1val; 1068 host2mpt_config_page_scsi_port_1(&tmp); 1069 error = mpt_write_cur_cfg_page(mpt, 0, 1070 &tmp.Header, sizeof(tmp), FALSE, 5000); 1071 if (error) { 1072 return (-1); 1073 } 1074 error = mpt_read_cur_cfg_page(mpt, 0, 1075 &tmp.Header, sizeof(tmp), FALSE, 5000); 1076 if (error) { 1077 return (-1); 1078 } 1079 mpt2host_config_page_scsi_port_1(&tmp); 1080 if (tmp.Configuration != pp1val) { 1081 mpt_prt(mpt, 1082 "failed to reset SPI Port Page 1 Config value\n"); 1083 return (-1); 1084 } 1085 mpt->mpt_port_page1 = tmp; 1086 } 1087 1088 /* 1089 * The purpose of this exercise is to get 1090 * all targets back to async/narrow. 1091 * 1092 * We skip this step if the BIOS has already negotiated 1093 * speeds with the targets. 1094 */ 1095 i = mpt->mpt_port_page2.PortSettings & 1096 MPI_SCSIPORTPAGE2_PORT_MASK_NEGO_MASTER_SETTINGS; 1097 if (i == MPI_SCSIPORTPAGE2_PORT_ALL_MASTER_SETTINGS) { 1098 mpt_lprt(mpt, MPT_PRT_NEGOTIATION, 1099 "honoring BIOS transfer negotiations\n"); 1100 } else { 1101 for (i = 0; i < 16; i++) { 1102 mpt->mpt_dev_page1[i].RequestedParameters = 0; 1103 mpt->mpt_dev_page1[i].Configuration = 0; 1104 (void) mpt_update_spi_config(mpt, i); 1105 } 1106 } 1107 return (0); 1108 } 1109 1110 static int 1111 mpt_cam_enable(struct mpt_softc *mpt) 1112 { 1113 int error; 1114 1115 MPT_LOCK(mpt); 1116 1117 error = EIO; 1118 if (mpt->is_fc) { 1119 if (mpt_read_config_info_fc(mpt)) { 1120 goto out; 1121 } 1122 if (mpt_set_initial_config_fc(mpt)) { 1123 goto out; 1124 } 1125 } else if (mpt->is_sas) { 1126 if (mpt_read_config_info_sas(mpt)) { 1127 goto out; 1128 } 1129 if (mpt_set_initial_config_sas(mpt)) { 1130 goto out; 1131 } 1132 } else if (mpt->is_spi) { 1133 if (mpt_read_config_info_spi(mpt)) { 1134 goto out; 1135 } 1136 if (mpt_set_initial_config_spi(mpt)) { 1137 goto out; 1138 } 1139 } 1140 error = 0; 1141 1142 out: 1143 MPT_UNLOCK(mpt); 1144 return (error); 1145 } 1146 1147 static void 1148 mpt_cam_ready(struct mpt_softc *mpt) 1149 { 1150 1151 /* 1152 * If we're in target mode, hang out resources now 1153 * so we don't cause the world to hang talking to us. 1154 */ 1155 if (mpt->is_fc && (mpt->role & MPT_ROLE_TARGET)) { 1156 /* 1157 * Try to add some target command resources 1158 */ 1159 MPT_LOCK(mpt); 1160 if (mpt_add_target_commands(mpt) == FALSE) { 1161 mpt_prt(mpt, "failed to add target commands\n"); 1162 } 1163 MPT_UNLOCK(mpt); 1164 } 1165 mpt->ready = 1; 1166 } 1167 1168 static void 1169 mpt_cam_detach(struct mpt_softc *mpt) 1170 { 1171 mpt_handler_t handler; 1172 1173 MPT_LOCK(mpt); 1174 mpt->ready = 0; 1175 mpt_terminate_recovery_thread(mpt); 1176 1177 handler.reply_handler = mpt_scsi_reply_handler; 1178 mpt_deregister_handler(mpt, MPT_HANDLER_REPLY, handler, 1179 scsi_io_handler_id); 1180 handler.reply_handler = mpt_scsi_tmf_reply_handler; 1181 mpt_deregister_handler(mpt, MPT_HANDLER_REPLY, handler, 1182 scsi_tmf_handler_id); 1183 handler.reply_handler = mpt_fc_els_reply_handler; 1184 mpt_deregister_handler(mpt, MPT_HANDLER_REPLY, handler, 1185 fc_els_handler_id); 1186 handler.reply_handler = mpt_scsi_tgt_reply_handler; 1187 mpt_deregister_handler(mpt, MPT_HANDLER_REPLY, handler, 1188 mpt->scsi_tgt_handler_id); 1189 handler.reply_handler = mpt_sata_pass_reply_handler; 1190 mpt_deregister_handler(mpt, MPT_HANDLER_REPLY, handler, 1191 sata_pass_handler_id); 1192 1193 if (mpt->tmf_req != NULL) { 1194 mpt->tmf_req->state = REQ_STATE_ALLOCATED; 1195 mpt_free_request(mpt, mpt->tmf_req); 1196 mpt->tmf_req = NULL; 1197 } 1198 if (mpt->sas_portinfo != NULL) { 1199 kfree(mpt->sas_portinfo, M_DEVBUF); 1200 mpt->sas_portinfo = NULL; 1201 } 1202 1203 if (mpt->sim != NULL) { 1204 xpt_free_path(mpt->path); 1205 xpt_bus_deregister(cam_sim_path(mpt->sim)); 1206 cam_sim_free(mpt->sim); 1207 mpt->sim = NULL; 1208 } 1209 1210 if (mpt->phydisk_sim != NULL) { 1211 xpt_free_path(mpt->phydisk_path); 1212 xpt_bus_deregister(cam_sim_path(mpt->phydisk_sim)); 1213 cam_sim_free(mpt->phydisk_sim); 1214 mpt->phydisk_sim = NULL; 1215 } 1216 MPT_UNLOCK(mpt); 1217 } 1218 1219 /* This routine is used after a system crash to dump core onto the swap device. 1220 */ 1221 static void 1222 mpt_poll(struct cam_sim *sim) 1223 { 1224 struct mpt_softc *mpt; 1225 1226 mpt = (struct mpt_softc *)cam_sim_softc(sim); 1227 mpt_intr(mpt); 1228 } 1229 1230 /* 1231 * Watchdog timeout routine for SCSI requests. 1232 */ 1233 static void 1234 mpt_timeout(void *arg) 1235 { 1236 union ccb *ccb; 1237 struct mpt_softc *mpt; 1238 request_t *req; 1239 1240 ccb = (union ccb *)arg; 1241 mpt = ccb->ccb_h.ccb_mpt_ptr; 1242 1243 MPT_LOCK(mpt); 1244 req = ccb->ccb_h.ccb_req_ptr; 1245 mpt_prt(mpt, "request %p:%u timed out for ccb %p (req->ccb %p)\n", req, 1246 req->serno, ccb, req->ccb); 1247 /* XXX: WHAT ARE WE TRYING TO DO HERE? */ 1248 if ((req->state & REQ_STATE_QUEUED) == REQ_STATE_QUEUED) { 1249 TAILQ_REMOVE(&mpt->request_pending_list, req, links); 1250 TAILQ_INSERT_TAIL(&mpt->request_timeout_list, req, links); 1251 req->state |= REQ_STATE_TIMEDOUT; 1252 mpt_wakeup_recovery_thread(mpt); 1253 } 1254 MPT_UNLOCK(mpt); 1255 } 1256 1257 /* 1258 * Callback routine from "bus_dmamap_load" or, in simple cases, called directly. 1259 * 1260 * Takes a list of physical segments and builds the SGL for SCSI IO command 1261 * and forwards the commard to the IOC after one last check that CAM has not 1262 * aborted the transaction. 1263 */ 1264 static void 1265 mpt_execute_req_a64(void *arg, bus_dma_segment_t *dm_segs, int nseg, int error) 1266 { 1267 request_t *req, *trq; 1268 char *mpt_off; 1269 union ccb *ccb; 1270 struct mpt_softc *mpt; 1271 bus_addr_t chain_list_addr; 1272 int first_lim, seg, this_seg_lim; 1273 uint32_t addr, cur_off, flags, nxt_off, tf; 1274 void *sglp = NULL; 1275 MSG_REQUEST_HEADER *hdrp; 1276 SGE_SIMPLE64 *se; 1277 SGE_CHAIN64 *ce; 1278 int istgt = 0; 1279 1280 req = (request_t *)arg; 1281 ccb = req->ccb; 1282 1283 mpt = ccb->ccb_h.ccb_mpt_ptr; 1284 req = ccb->ccb_h.ccb_req_ptr; 1285 1286 hdrp = req->req_vbuf; 1287 mpt_off = req->req_vbuf; 1288 1289 if (error == 0 && ((uint32_t)nseg) >= mpt->max_seg_cnt) { 1290 error = EFBIG; 1291 } 1292 1293 if (error == 0) { 1294 switch (hdrp->Function) { 1295 case MPI_FUNCTION_SCSI_IO_REQUEST: 1296 case MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH: 1297 istgt = 0; 1298 sglp = &((PTR_MSG_SCSI_IO_REQUEST)hdrp)->SGL; 1299 break; 1300 case MPI_FUNCTION_TARGET_ASSIST: 1301 istgt = 1; 1302 sglp = &((PTR_MSG_TARGET_ASSIST_REQUEST)hdrp)->SGL; 1303 break; 1304 default: 1305 mpt_prt(mpt, "bad fct 0x%x in mpt_execute_req_a64\n", 1306 hdrp->Function); 1307 error = EINVAL; 1308 break; 1309 } 1310 } 1311 1312 if (error == 0 && ((uint32_t)nseg) >= mpt->max_seg_cnt) { 1313 error = EFBIG; 1314 mpt_prt(mpt, "segment count %d too large (max %u)\n", 1315 nseg, mpt->max_seg_cnt); 1316 } 1317 1318 bad: 1319 if (error != 0) { 1320 if (error != EFBIG && error != ENOMEM) { 1321 mpt_prt(mpt, "mpt_execute_req_a64: err %d\n", error); 1322 } 1323 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INPROG) { 1324 cam_status status; 1325 mpt_freeze_ccb(ccb); 1326 if (error == EFBIG) { 1327 status = CAM_REQ_TOO_BIG; 1328 } else if (error == ENOMEM) { 1329 if (mpt->outofbeer == 0) { 1330 mpt->outofbeer = 1; 1331 xpt_freeze_simq(mpt->sim, 1); 1332 mpt_lprt(mpt, MPT_PRT_DEBUG, 1333 "FREEZEQ\n"); 1334 } 1335 status = CAM_REQUEUE_REQ; 1336 } else { 1337 status = CAM_REQ_CMP_ERR; 1338 } 1339 mpt_set_ccb_status(ccb, status); 1340 } 1341 if (hdrp->Function == MPI_FUNCTION_TARGET_ASSIST) { 1342 request_t *cmd_req = 1343 MPT_TAG_2_REQ(mpt, ccb->csio.tag_id); 1344 MPT_TGT_STATE(mpt, cmd_req)->state = TGT_STATE_IN_CAM; 1345 MPT_TGT_STATE(mpt, cmd_req)->ccb = NULL; 1346 MPT_TGT_STATE(mpt, cmd_req)->req = NULL; 1347 } 1348 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 1349 KASSERT(ccb->ccb_h.status, ("zero ccb sts at %d", __LINE__)); 1350 xpt_done(ccb); 1351 mpt_free_request(mpt, req); 1352 return; 1353 } 1354 1355 /* 1356 * No data to transfer? 1357 * Just make a single simple SGL with zero length. 1358 */ 1359 1360 if (mpt->verbose >= MPT_PRT_DEBUG) { 1361 int tidx = ((char *)sglp) - mpt_off; 1362 memset(&mpt_off[tidx], 0xff, MPT_REQUEST_AREA - tidx); 1363 } 1364 1365 if (nseg == 0) { 1366 SGE_SIMPLE32 *se1 = (SGE_SIMPLE32 *) sglp; 1367 MPI_pSGE_SET_FLAGS(se1, 1368 (MPI_SGE_FLAGS_LAST_ELEMENT | MPI_SGE_FLAGS_END_OF_BUFFER | 1369 MPI_SGE_FLAGS_SIMPLE_ELEMENT | MPI_SGE_FLAGS_END_OF_LIST)); 1370 se1->FlagsLength = htole32(se1->FlagsLength); 1371 goto out; 1372 } 1373 1374 1375 flags = MPI_SGE_FLAGS_SIMPLE_ELEMENT | MPI_SGE_FLAGS_64_BIT_ADDRESSING; 1376 if (istgt == 0) { 1377 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_OUT) { 1378 flags |= MPI_SGE_FLAGS_HOST_TO_IOC; 1379 } 1380 } else { 1381 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 1382 flags |= MPI_SGE_FLAGS_HOST_TO_IOC; 1383 } 1384 } 1385 1386 if (!(ccb->ccb_h.flags & (CAM_SG_LIST_PHYS|CAM_DATA_PHYS))) { 1387 bus_dmasync_op_t op; 1388 if (istgt == 0) { 1389 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 1390 op = BUS_DMASYNC_PREREAD; 1391 } else { 1392 op = BUS_DMASYNC_PREWRITE; 1393 } 1394 } else { 1395 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 1396 op = BUS_DMASYNC_PREWRITE; 1397 } else { 1398 op = BUS_DMASYNC_PREREAD; 1399 } 1400 } 1401 bus_dmamap_sync(mpt->buffer_dmat, req->dmap, op); 1402 } 1403 1404 /* 1405 * Okay, fill in what we can at the end of the command frame. 1406 * If we have up to MPT_NSGL_FIRST, we can fit them all into 1407 * the command frame. 1408 * 1409 * Otherwise, we fill up through MPT_NSGL_FIRST less one 1410 * SIMPLE64 pointers and start doing CHAIN64 entries after 1411 * that. 1412 */ 1413 1414 if (nseg < MPT_NSGL_FIRST(mpt)) { 1415 first_lim = nseg; 1416 } else { 1417 /* 1418 * Leave room for CHAIN element 1419 */ 1420 first_lim = MPT_NSGL_FIRST(mpt) - 1; 1421 } 1422 1423 se = (SGE_SIMPLE64 *) sglp; 1424 for (seg = 0; seg < first_lim; seg++, se++, dm_segs++) { 1425 tf = flags; 1426 memset(se, 0, sizeof (*se)); 1427 MPI_pSGE_SET_LENGTH(se, dm_segs->ds_len); 1428 se->Address.Low = htole32(dm_segs->ds_addr & 0xffffffff); 1429 if (sizeof(bus_addr_t) > 4) { 1430 addr = ((uint64_t)dm_segs->ds_addr) >> 32; 1431 /* SAS1078 36GB limitation WAR */ 1432 if (mpt->is_1078 && (((uint64_t)dm_segs->ds_addr + 1433 MPI_SGE_LENGTH(se->FlagsLength)) >> 32) == 9) { 1434 addr |= (1U << 31); 1435 tf |= MPI_SGE_FLAGS_LOCAL_ADDRESS; 1436 } 1437 se->Address.High = htole32(addr); 1438 } 1439 if (seg == first_lim - 1) { 1440 tf |= MPI_SGE_FLAGS_LAST_ELEMENT; 1441 } 1442 if (seg == nseg - 1) { 1443 tf |= MPI_SGE_FLAGS_END_OF_LIST | 1444 MPI_SGE_FLAGS_END_OF_BUFFER; 1445 } 1446 MPI_pSGE_SET_FLAGS(se, tf); 1447 se->FlagsLength = htole32(se->FlagsLength); 1448 } 1449 1450 if (seg == nseg) { 1451 goto out; 1452 } 1453 1454 /* 1455 * Tell the IOC where to find the first chain element. 1456 */ 1457 hdrp->ChainOffset = ((char *)se - (char *)hdrp) >> 2; 1458 nxt_off = MPT_RQSL(mpt); 1459 trq = req; 1460 1461 /* 1462 * Make up the rest of the data segments out of a chain element 1463 * (contained in the current request frame) which points to 1464 * SIMPLE64 elements in the next request frame, possibly ending 1465 * with *another* chain element (if there's more). 1466 */ 1467 while (seg < nseg) { 1468 /* 1469 * Point to the chain descriptor. Note that the chain 1470 * descriptor is at the end of the *previous* list (whether 1471 * chain or simple). 1472 */ 1473 ce = (SGE_CHAIN64 *) se; 1474 1475 /* 1476 * Before we change our current pointer, make sure we won't 1477 * overflow the request area with this frame. Note that we 1478 * test against 'greater than' here as it's okay in this case 1479 * to have next offset be just outside the request area. 1480 */ 1481 if ((nxt_off + MPT_RQSL(mpt)) > MPT_REQUEST_AREA) { 1482 nxt_off = MPT_REQUEST_AREA; 1483 goto next_chain; 1484 } 1485 1486 /* 1487 * Set our SGE element pointer to the beginning of the chain 1488 * list and update our next chain list offset. 1489 */ 1490 se = (SGE_SIMPLE64 *) &mpt_off[nxt_off]; 1491 cur_off = nxt_off; 1492 nxt_off += MPT_RQSL(mpt); 1493 1494 /* 1495 * Now initialize the chain descriptor. 1496 */ 1497 memset(ce, 0, sizeof (*ce)); 1498 1499 /* 1500 * Get the physical address of the chain list. 1501 */ 1502 chain_list_addr = trq->req_pbuf; 1503 chain_list_addr += cur_off; 1504 if (sizeof (bus_addr_t) > 4) { 1505 ce->Address.High = 1506 htole32(((uint64_t)chain_list_addr) >> 32); 1507 } 1508 ce->Address.Low = htole32(chain_list_addr & 0xffffffff); 1509 ce->Flags = MPI_SGE_FLAGS_CHAIN_ELEMENT | 1510 MPI_SGE_FLAGS_64_BIT_ADDRESSING; 1511 1512 /* 1513 * If we have more than a frame's worth of segments left, 1514 * set up the chain list to have the last element be another 1515 * chain descriptor. 1516 */ 1517 if ((nseg - seg) > MPT_NSGL(mpt)) { 1518 this_seg_lim = seg + MPT_NSGL(mpt) - 1; 1519 /* 1520 * The length of the chain is the length in bytes of the 1521 * number of segments plus the next chain element. 1522 * 1523 * The next chain descriptor offset is the length, 1524 * in words, of the number of segments. 1525 */ 1526 ce->Length = (this_seg_lim - seg) * 1527 sizeof (SGE_SIMPLE64); 1528 ce->NextChainOffset = ce->Length >> 2; 1529 ce->Length += sizeof (SGE_CHAIN64); 1530 } else { 1531 this_seg_lim = nseg; 1532 ce->Length = (this_seg_lim - seg) * 1533 sizeof (SGE_SIMPLE64); 1534 } 1535 ce->Length = htole16(ce->Length); 1536 1537 /* 1538 * Fill in the chain list SGE elements with our segment data. 1539 * 1540 * If we're the last element in this chain list, set the last 1541 * element flag. If we're the completely last element period, 1542 * set the end of list and end of buffer flags. 1543 */ 1544 while (seg < this_seg_lim) { 1545 tf = flags; 1546 memset(se, 0, sizeof (*se)); 1547 MPI_pSGE_SET_LENGTH(se, dm_segs->ds_len); 1548 se->Address.Low = htole32(dm_segs->ds_addr & 1549 0xffffffff); 1550 if (sizeof (bus_addr_t) > 4) { 1551 addr = ((uint64_t)dm_segs->ds_addr) >> 32; 1552 /* SAS1078 36GB limitation WAR */ 1553 if (mpt->is_1078 && 1554 (((uint64_t)dm_segs->ds_addr + 1555 MPI_SGE_LENGTH(se->FlagsLength)) >> 1556 32) == 9) { 1557 addr |= (1U << 31); 1558 tf |= MPI_SGE_FLAGS_LOCAL_ADDRESS; 1559 } 1560 se->Address.High = htole32(addr); 1561 } 1562 if (seg == this_seg_lim - 1) { 1563 tf |= MPI_SGE_FLAGS_LAST_ELEMENT; 1564 } 1565 if (seg == nseg - 1) { 1566 tf |= MPI_SGE_FLAGS_END_OF_LIST | 1567 MPI_SGE_FLAGS_END_OF_BUFFER; 1568 } 1569 MPI_pSGE_SET_FLAGS(se, tf); 1570 se->FlagsLength = htole32(se->FlagsLength); 1571 se++; 1572 seg++; 1573 dm_segs++; 1574 } 1575 1576 next_chain: 1577 /* 1578 * If we have more segments to do and we've used up all of 1579 * the space in a request area, go allocate another one 1580 * and chain to that. 1581 */ 1582 if (seg < nseg && nxt_off >= MPT_REQUEST_AREA) { 1583 request_t *nrq; 1584 1585 nrq = mpt_get_request(mpt, FALSE); 1586 1587 if (nrq == NULL) { 1588 error = ENOMEM; 1589 goto bad; 1590 } 1591 1592 /* 1593 * Append the new request area on the tail of our list. 1594 */ 1595 if ((trq = req->chain) == NULL) { 1596 req->chain = nrq; 1597 } else { 1598 while (trq->chain != NULL) { 1599 trq = trq->chain; 1600 } 1601 trq->chain = nrq; 1602 } 1603 trq = nrq; 1604 mpt_off = trq->req_vbuf; 1605 if (mpt->verbose >= MPT_PRT_DEBUG) { 1606 memset(mpt_off, 0xff, MPT_REQUEST_AREA); 1607 } 1608 nxt_off = 0; 1609 } 1610 } 1611 out: 1612 1613 /* 1614 * Last time we need to check if this CCB needs to be aborted. 1615 */ 1616 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_INPROG) { 1617 if (hdrp->Function == MPI_FUNCTION_TARGET_ASSIST) { 1618 request_t *cmd_req = 1619 MPT_TAG_2_REQ(mpt, ccb->csio.tag_id); 1620 MPT_TGT_STATE(mpt, cmd_req)->state = TGT_STATE_IN_CAM; 1621 MPT_TGT_STATE(mpt, cmd_req)->ccb = NULL; 1622 MPT_TGT_STATE(mpt, cmd_req)->req = NULL; 1623 } 1624 mpt_prt(mpt, 1625 "mpt_execute_req_a64: I/O cancelled (status 0x%x)\n", 1626 ccb->ccb_h.status & CAM_STATUS_MASK); 1627 if (nseg && (ccb->ccb_h.flags & CAM_SG_LIST_PHYS) == 0) { 1628 bus_dmamap_unload(mpt->buffer_dmat, req->dmap); 1629 } 1630 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 1631 KASSERT(ccb->ccb_h.status, ("zero ccb sts at %d", __LINE__)); 1632 xpt_done(ccb); 1633 mpt_free_request(mpt, req); 1634 return; 1635 } 1636 1637 ccb->ccb_h.status |= CAM_SIM_QUEUED; 1638 if (ccb->ccb_h.timeout != CAM_TIME_INFINITY) { 1639 mpt_req_timeout(req, (ccb->ccb_h.timeout * hz) / 1000, 1640 mpt_timeout, ccb); 1641 } 1642 if (mpt->verbose > MPT_PRT_DEBUG) { 1643 int nc = 0; 1644 mpt_print_request(req->req_vbuf); 1645 for (trq = req->chain; trq; trq = trq->chain) { 1646 kprintf(" Additional Chain Area %d\n", nc++); 1647 mpt_dump_sgl(trq->req_vbuf, 0); 1648 } 1649 } 1650 1651 if (hdrp->Function == MPI_FUNCTION_TARGET_ASSIST) { 1652 request_t *cmd_req = MPT_TAG_2_REQ(mpt, ccb->csio.tag_id); 1653 mpt_tgt_state_t *tgt = MPT_TGT_STATE(mpt, cmd_req); 1654 #ifdef WE_TRUST_AUTO_GOOD_STATUS 1655 if ((ccb->ccb_h.flags & CAM_SEND_STATUS) && 1656 csio->scsi_status == SCSI_STATUS_OK && tgt->resid == 0) { 1657 tgt->state = TGT_STATE_MOVING_DATA_AND_STATUS; 1658 } else { 1659 tgt->state = TGT_STATE_MOVING_DATA; 1660 } 1661 #else 1662 tgt->state = TGT_STATE_MOVING_DATA; 1663 #endif 1664 } 1665 mpt_send_cmd(mpt, req); 1666 } 1667 1668 static void 1669 mpt_execute_req(void *arg, bus_dma_segment_t *dm_segs, int nseg, int error) 1670 { 1671 request_t *req, *trq; 1672 char *mpt_off; 1673 union ccb *ccb; 1674 struct mpt_softc *mpt; 1675 int seg, first_lim; 1676 uint32_t flags, nxt_off; 1677 void *sglp = NULL; 1678 MSG_REQUEST_HEADER *hdrp; 1679 SGE_SIMPLE32 *se; 1680 SGE_CHAIN32 *ce; 1681 int istgt = 0; 1682 1683 req = (request_t *)arg; 1684 ccb = req->ccb; 1685 1686 mpt = ccb->ccb_h.ccb_mpt_ptr; 1687 req = ccb->ccb_h.ccb_req_ptr; 1688 1689 hdrp = req->req_vbuf; 1690 mpt_off = req->req_vbuf; 1691 1692 1693 if (error == 0 && ((uint32_t)nseg) >= mpt->max_seg_cnt) { 1694 error = EFBIG; 1695 } 1696 1697 if (error == 0) { 1698 switch (hdrp->Function) { 1699 case MPI_FUNCTION_SCSI_IO_REQUEST: 1700 case MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH: 1701 sglp = &((PTR_MSG_SCSI_IO_REQUEST)hdrp)->SGL; 1702 break; 1703 case MPI_FUNCTION_TARGET_ASSIST: 1704 istgt = 1; 1705 sglp = &((PTR_MSG_TARGET_ASSIST_REQUEST)hdrp)->SGL; 1706 break; 1707 default: 1708 mpt_prt(mpt, "bad fct 0x%x in mpt_execute_req\n", 1709 hdrp->Function); 1710 error = EINVAL; 1711 break; 1712 } 1713 } 1714 1715 if (error == 0 && ((uint32_t)nseg) >= mpt->max_seg_cnt) { 1716 error = EFBIG; 1717 mpt_prt(mpt, "segment count %d too large (max %u)\n", 1718 nseg, mpt->max_seg_cnt); 1719 } 1720 1721 bad: 1722 if (error != 0) { 1723 if (error != EFBIG && error != ENOMEM) { 1724 mpt_prt(mpt, "mpt_execute_req: err %d\n", error); 1725 } 1726 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INPROG) { 1727 cam_status status; 1728 mpt_freeze_ccb(ccb); 1729 if (error == EFBIG) { 1730 status = CAM_REQ_TOO_BIG; 1731 } else if (error == ENOMEM) { 1732 if (mpt->outofbeer == 0) { 1733 mpt->outofbeer = 1; 1734 xpt_freeze_simq(mpt->sim, 1); 1735 mpt_lprt(mpt, MPT_PRT_DEBUG, 1736 "FREEZEQ\n"); 1737 } 1738 status = CAM_REQUEUE_REQ; 1739 } else { 1740 status = CAM_REQ_CMP_ERR; 1741 } 1742 mpt_set_ccb_status(ccb, status); 1743 } 1744 if (hdrp->Function == MPI_FUNCTION_TARGET_ASSIST) { 1745 request_t *cmd_req = 1746 MPT_TAG_2_REQ(mpt, ccb->csio.tag_id); 1747 MPT_TGT_STATE(mpt, cmd_req)->state = TGT_STATE_IN_CAM; 1748 MPT_TGT_STATE(mpt, cmd_req)->ccb = NULL; 1749 MPT_TGT_STATE(mpt, cmd_req)->req = NULL; 1750 } 1751 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 1752 KASSERT(ccb->ccb_h.status, ("zero ccb sts at %d", __LINE__)); 1753 xpt_done(ccb); 1754 mpt_free_request(mpt, req); 1755 return; 1756 } 1757 1758 /* 1759 * No data to transfer? 1760 * Just make a single simple SGL with zero length. 1761 */ 1762 1763 if (mpt->verbose >= MPT_PRT_DEBUG) { 1764 int tidx = ((char *)sglp) - mpt_off; 1765 memset(&mpt_off[tidx], 0xff, MPT_REQUEST_AREA - tidx); 1766 } 1767 1768 if (nseg == 0) { 1769 SGE_SIMPLE32 *se1 = (SGE_SIMPLE32 *) sglp; 1770 MPI_pSGE_SET_FLAGS(se1, 1771 (MPI_SGE_FLAGS_LAST_ELEMENT | MPI_SGE_FLAGS_END_OF_BUFFER | 1772 MPI_SGE_FLAGS_SIMPLE_ELEMENT | MPI_SGE_FLAGS_END_OF_LIST)); 1773 se1->FlagsLength = htole32(se1->FlagsLength); 1774 goto out; 1775 } 1776 1777 1778 flags = MPI_SGE_FLAGS_SIMPLE_ELEMENT; 1779 if (istgt == 0) { 1780 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_OUT) { 1781 flags |= MPI_SGE_FLAGS_HOST_TO_IOC; 1782 } 1783 } else { 1784 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 1785 flags |= MPI_SGE_FLAGS_HOST_TO_IOC; 1786 } 1787 } 1788 1789 if (!(ccb->ccb_h.flags & (CAM_SG_LIST_PHYS|CAM_DATA_PHYS))) { 1790 bus_dmasync_op_t op; 1791 if (istgt) { 1792 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 1793 op = BUS_DMASYNC_PREREAD; 1794 } else { 1795 op = BUS_DMASYNC_PREWRITE; 1796 } 1797 } else { 1798 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 1799 op = BUS_DMASYNC_PREWRITE; 1800 } else { 1801 op = BUS_DMASYNC_PREREAD; 1802 } 1803 } 1804 bus_dmamap_sync(mpt->buffer_dmat, req->dmap, op); 1805 } 1806 1807 /* 1808 * Okay, fill in what we can at the end of the command frame. 1809 * If we have up to MPT_NSGL_FIRST, we can fit them all into 1810 * the command frame. 1811 * 1812 * Otherwise, we fill up through MPT_NSGL_FIRST less one 1813 * SIMPLE32 pointers and start doing CHAIN32 entries after 1814 * that. 1815 */ 1816 1817 if (nseg < MPT_NSGL_FIRST(mpt)) { 1818 first_lim = nseg; 1819 } else { 1820 /* 1821 * Leave room for CHAIN element 1822 */ 1823 first_lim = MPT_NSGL_FIRST(mpt) - 1; 1824 } 1825 1826 se = (SGE_SIMPLE32 *) sglp; 1827 for (seg = 0; seg < first_lim; seg++, se++, dm_segs++) { 1828 uint32_t tf; 1829 1830 memset(se, 0,sizeof (*se)); 1831 se->Address = htole32(dm_segs->ds_addr); 1832 1833 MPI_pSGE_SET_LENGTH(se, dm_segs->ds_len); 1834 tf = flags; 1835 if (seg == first_lim - 1) { 1836 tf |= MPI_SGE_FLAGS_LAST_ELEMENT; 1837 } 1838 if (seg == nseg - 1) { 1839 tf |= MPI_SGE_FLAGS_END_OF_LIST | 1840 MPI_SGE_FLAGS_END_OF_BUFFER; 1841 } 1842 MPI_pSGE_SET_FLAGS(se, tf); 1843 se->FlagsLength = htole32(se->FlagsLength); 1844 } 1845 1846 if (seg == nseg) { 1847 goto out; 1848 } 1849 1850 /* 1851 * Tell the IOC where to find the first chain element. 1852 */ 1853 hdrp->ChainOffset = ((char *)se - (char *)hdrp) >> 2; 1854 nxt_off = MPT_RQSL(mpt); 1855 trq = req; 1856 1857 /* 1858 * Make up the rest of the data segments out of a chain element 1859 * (contained in the current request frame) which points to 1860 * SIMPLE32 elements in the next request frame, possibly ending 1861 * with *another* chain element (if there's more). 1862 */ 1863 while (seg < nseg) { 1864 int this_seg_lim; 1865 uint32_t tf, cur_off; 1866 bus_addr_t chain_list_addr; 1867 1868 /* 1869 * Point to the chain descriptor. Note that the chain 1870 * descriptor is at the end of the *previous* list (whether 1871 * chain or simple). 1872 */ 1873 ce = (SGE_CHAIN32 *) se; 1874 1875 /* 1876 * Before we change our current pointer, make sure we won't 1877 * overflow the request area with this frame. Note that we 1878 * test against 'greater than' here as it's okay in this case 1879 * to have next offset be just outside the request area. 1880 */ 1881 if ((nxt_off + MPT_RQSL(mpt)) > MPT_REQUEST_AREA) { 1882 nxt_off = MPT_REQUEST_AREA; 1883 goto next_chain; 1884 } 1885 1886 /* 1887 * Set our SGE element pointer to the beginning of the chain 1888 * list and update our next chain list offset. 1889 */ 1890 se = (SGE_SIMPLE32 *) &mpt_off[nxt_off]; 1891 cur_off = nxt_off; 1892 nxt_off += MPT_RQSL(mpt); 1893 1894 /* 1895 * Now initialize the chain descriptor. 1896 */ 1897 memset(ce, 0, sizeof (*ce)); 1898 1899 /* 1900 * Get the physical address of the chain list. 1901 */ 1902 chain_list_addr = trq->req_pbuf; 1903 chain_list_addr += cur_off; 1904 1905 1906 1907 ce->Address = htole32(chain_list_addr); 1908 ce->Flags = MPI_SGE_FLAGS_CHAIN_ELEMENT; 1909 1910 1911 /* 1912 * If we have more than a frame's worth of segments left, 1913 * set up the chain list to have the last element be another 1914 * chain descriptor. 1915 */ 1916 if ((nseg - seg) > MPT_NSGL(mpt)) { 1917 this_seg_lim = seg + MPT_NSGL(mpt) - 1; 1918 /* 1919 * The length of the chain is the length in bytes of the 1920 * number of segments plus the next chain element. 1921 * 1922 * The next chain descriptor offset is the length, 1923 * in words, of the number of segments. 1924 */ 1925 ce->Length = (this_seg_lim - seg) * 1926 sizeof (SGE_SIMPLE32); 1927 ce->NextChainOffset = ce->Length >> 2; 1928 ce->Length += sizeof (SGE_CHAIN32); 1929 } else { 1930 this_seg_lim = nseg; 1931 ce->Length = (this_seg_lim - seg) * 1932 sizeof (SGE_SIMPLE32); 1933 } 1934 ce->Length = htole16(ce->Length); 1935 1936 /* 1937 * Fill in the chain list SGE elements with our segment data. 1938 * 1939 * If we're the last element in this chain list, set the last 1940 * element flag. If we're the completely last element period, 1941 * set the end of list and end of buffer flags. 1942 */ 1943 while (seg < this_seg_lim) { 1944 memset(se, 0, sizeof (*se)); 1945 se->Address = htole32(dm_segs->ds_addr); 1946 1947 MPI_pSGE_SET_LENGTH(se, dm_segs->ds_len); 1948 tf = flags; 1949 if (seg == this_seg_lim - 1) { 1950 tf |= MPI_SGE_FLAGS_LAST_ELEMENT; 1951 } 1952 if (seg == nseg - 1) { 1953 tf |= MPI_SGE_FLAGS_END_OF_LIST | 1954 MPI_SGE_FLAGS_END_OF_BUFFER; 1955 } 1956 MPI_pSGE_SET_FLAGS(se, tf); 1957 se->FlagsLength = htole32(se->FlagsLength); 1958 se++; 1959 seg++; 1960 dm_segs++; 1961 } 1962 1963 next_chain: 1964 /* 1965 * If we have more segments to do and we've used up all of 1966 * the space in a request area, go allocate another one 1967 * and chain to that. 1968 */ 1969 if (seg < nseg && nxt_off >= MPT_REQUEST_AREA) { 1970 request_t *nrq; 1971 1972 nrq = mpt_get_request(mpt, FALSE); 1973 1974 if (nrq == NULL) { 1975 error = ENOMEM; 1976 goto bad; 1977 } 1978 1979 /* 1980 * Append the new request area on the tail of our list. 1981 */ 1982 if ((trq = req->chain) == NULL) { 1983 req->chain = nrq; 1984 } else { 1985 while (trq->chain != NULL) { 1986 trq = trq->chain; 1987 } 1988 trq->chain = nrq; 1989 } 1990 trq = nrq; 1991 mpt_off = trq->req_vbuf; 1992 if (mpt->verbose >= MPT_PRT_DEBUG) { 1993 memset(mpt_off, 0xff, MPT_REQUEST_AREA); 1994 } 1995 nxt_off = 0; 1996 } 1997 } 1998 out: 1999 2000 /* 2001 * Last time we need to check if this CCB needs to be aborted. 2002 */ 2003 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_INPROG) { 2004 if (hdrp->Function == MPI_FUNCTION_TARGET_ASSIST) { 2005 request_t *cmd_req = 2006 MPT_TAG_2_REQ(mpt, ccb->csio.tag_id); 2007 MPT_TGT_STATE(mpt, cmd_req)->state = TGT_STATE_IN_CAM; 2008 MPT_TGT_STATE(mpt, cmd_req)->ccb = NULL; 2009 MPT_TGT_STATE(mpt, cmd_req)->req = NULL; 2010 } 2011 mpt_prt(mpt, 2012 "mpt_execute_req: I/O cancelled (status 0x%x)\n", 2013 ccb->ccb_h.status & CAM_STATUS_MASK); 2014 if (nseg && (ccb->ccb_h.flags & CAM_SG_LIST_PHYS) == 0) { 2015 bus_dmamap_unload(mpt->buffer_dmat, req->dmap); 2016 } 2017 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 2018 KASSERT(ccb->ccb_h.status, ("zero ccb sts at %d", __LINE__)); 2019 xpt_done(ccb); 2020 mpt_free_request(mpt, req); 2021 return; 2022 } 2023 2024 ccb->ccb_h.status |= CAM_SIM_QUEUED; 2025 if (ccb->ccb_h.timeout != CAM_TIME_INFINITY) { 2026 mpt_req_timeout(req, (ccb->ccb_h.timeout * hz) / 1000, 2027 mpt_timeout, ccb); 2028 } 2029 if (mpt->verbose > MPT_PRT_DEBUG) { 2030 int nc = 0; 2031 mpt_print_request(req->req_vbuf); 2032 for (trq = req->chain; trq; trq = trq->chain) { 2033 kprintf(" Additional Chain Area %d\n", nc++); 2034 mpt_dump_sgl(trq->req_vbuf, 0); 2035 } 2036 } 2037 2038 if (hdrp->Function == MPI_FUNCTION_TARGET_ASSIST) { 2039 request_t *cmd_req = MPT_TAG_2_REQ(mpt, ccb->csio.tag_id); 2040 mpt_tgt_state_t *tgt = MPT_TGT_STATE(mpt, cmd_req); 2041 #ifdef WE_TRUST_AUTO_GOOD_STATUS 2042 if ((ccb->ccb_h.flags & CAM_SEND_STATUS) && 2043 csio->scsi_status == SCSI_STATUS_OK && tgt->resid == 0) { 2044 tgt->state = TGT_STATE_MOVING_DATA_AND_STATUS; 2045 } else { 2046 tgt->state = TGT_STATE_MOVING_DATA; 2047 } 2048 #else 2049 tgt->state = TGT_STATE_MOVING_DATA; 2050 #endif 2051 } 2052 mpt_send_cmd(mpt, req); 2053 } 2054 2055 static void 2056 mpt_start(struct cam_sim *sim, union ccb *ccb) 2057 { 2058 request_t *req; 2059 struct mpt_softc *mpt; 2060 MSG_SCSI_IO_REQUEST *mpt_req; 2061 struct ccb_scsiio *csio = &ccb->csio; 2062 struct ccb_hdr *ccbh = &ccb->ccb_h; 2063 bus_dmamap_callback_t *cb; 2064 target_id_t tgt; 2065 int raid_passthru; 2066 2067 /* Get the pointer for the physical addapter */ 2068 mpt = ccb->ccb_h.ccb_mpt_ptr; 2069 raid_passthru = (sim == mpt->phydisk_sim); 2070 2071 if ((req = mpt_get_request(mpt, FALSE)) == NULL) { 2072 if (mpt->outofbeer == 0) { 2073 mpt->outofbeer = 1; 2074 xpt_freeze_simq(mpt->sim, 1); 2075 mpt_lprt(mpt, MPT_PRT_DEBUG, "FREEZEQ\n"); 2076 } 2077 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 2078 mpt_set_ccb_status(ccb, CAM_REQUEUE_REQ); 2079 xpt_done(ccb); 2080 return; 2081 } 2082 #ifdef INVARIANTS 2083 mpt_req_not_spcl(mpt, req, "mpt_start", __LINE__); 2084 #endif 2085 2086 if (sizeof (bus_addr_t) > 4) { 2087 cb = mpt_execute_req_a64; 2088 } else { 2089 cb = mpt_execute_req; 2090 } 2091 2092 /* 2093 * Link the ccb and the request structure so we can find 2094 * the other knowing either the request or the ccb 2095 */ 2096 req->ccb = ccb; 2097 ccb->ccb_h.ccb_req_ptr = req; 2098 2099 /* Now we build the command for the IOC */ 2100 mpt_req = req->req_vbuf; 2101 memset(mpt_req, 0, sizeof (MSG_SCSI_IO_REQUEST)); 2102 2103 mpt_req->Function = MPI_FUNCTION_SCSI_IO_REQUEST; 2104 if (raid_passthru) { 2105 mpt_req->Function = MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH; 2106 if (mpt_map_physdisk(mpt, ccb, &tgt) != 0) { 2107 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 2108 mpt_set_ccb_status(ccb, CAM_DEV_NOT_THERE); 2109 xpt_done(ccb); 2110 return; 2111 } 2112 mpt_req->Bus = 0; /* we never set bus here */ 2113 } else { 2114 tgt = ccb->ccb_h.target_id; 2115 mpt_req->Bus = 0; /* XXX */ 2116 2117 } 2118 mpt_req->SenseBufferLength = 2119 (csio->sense_len < MPT_SENSE_SIZE) ? 2120 csio->sense_len : MPT_SENSE_SIZE; 2121 2122 /* 2123 * We use the message context to find the request structure when we 2124 * Get the command completion interrupt from the IOC. 2125 */ 2126 mpt_req->MsgContext = htole32(req->index | scsi_io_handler_id); 2127 2128 /* Which physical device to do the I/O on */ 2129 mpt_req->TargetID = tgt; 2130 2131 /* We assume a single level LUN type */ 2132 if (ccb->ccb_h.target_lun >= MPT_MAX_LUNS) { 2133 mpt_req->LUN[0] = 0x40 | ((ccb->ccb_h.target_lun >> 8) & 0x3f); 2134 mpt_req->LUN[1] = ccb->ccb_h.target_lun & 0xff; 2135 } else { 2136 mpt_req->LUN[1] = ccb->ccb_h.target_lun; 2137 } 2138 2139 /* Set the direction of the transfer */ 2140 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 2141 mpt_req->Control = MPI_SCSIIO_CONTROL_READ; 2142 } else if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_OUT) { 2143 mpt_req->Control = MPI_SCSIIO_CONTROL_WRITE; 2144 } else { 2145 mpt_req->Control = MPI_SCSIIO_CONTROL_NODATATRANSFER; 2146 } 2147 2148 if ((ccb->ccb_h.flags & CAM_TAG_ACTION_VALID) != 0) { 2149 switch(ccb->csio.tag_action) { 2150 case MSG_HEAD_OF_Q_TAG: 2151 mpt_req->Control |= MPI_SCSIIO_CONTROL_HEADOFQ; 2152 break; 2153 case MSG_ACA_TASK: 2154 mpt_req->Control |= MPI_SCSIIO_CONTROL_ACAQ; 2155 break; 2156 case MSG_ORDERED_Q_TAG: 2157 mpt_req->Control |= MPI_SCSIIO_CONTROL_ORDEREDQ; 2158 break; 2159 case MSG_SIMPLE_Q_TAG: 2160 default: 2161 mpt_req->Control |= MPI_SCSIIO_CONTROL_SIMPLEQ; 2162 break; 2163 } 2164 } else { 2165 if (mpt->is_fc || mpt->is_sas) { 2166 mpt_req->Control |= MPI_SCSIIO_CONTROL_SIMPLEQ; 2167 } else { 2168 /* XXX No such thing for a target doing packetized. */ 2169 mpt_req->Control |= MPI_SCSIIO_CONTROL_UNTAGGED; 2170 } 2171 } 2172 2173 if (mpt->is_spi) { 2174 if (ccb->ccb_h.flags & CAM_DIS_DISCONNECT) { 2175 mpt_req->Control |= MPI_SCSIIO_CONTROL_NO_DISCONNECT; 2176 } 2177 } 2178 mpt_req->Control = htole32(mpt_req->Control); 2179 2180 /* Copy the scsi command block into place */ 2181 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0) { 2182 bcopy(csio->cdb_io.cdb_ptr, mpt_req->CDB, csio->cdb_len); 2183 } else { 2184 bcopy(csio->cdb_io.cdb_bytes, mpt_req->CDB, csio->cdb_len); 2185 } 2186 2187 mpt_req->CDBLength = csio->cdb_len; 2188 mpt_req->DataLength = htole32(csio->dxfer_len); 2189 mpt_req->SenseBufferLowAddr = htole32(req->sense_pbuf); 2190 2191 /* 2192 * Do a *short* print here if we're set to MPT_PRT_DEBUG 2193 */ 2194 if (mpt->verbose == MPT_PRT_DEBUG) { 2195 U32 df; 2196 mpt_prt(mpt, "mpt_start: %s op 0x%x ", 2197 (mpt_req->Function == MPI_FUNCTION_SCSI_IO_REQUEST)? 2198 "SCSI_IO_REQUEST" : "SCSI_IO_PASSTHRU", mpt_req->CDB[0]); 2199 df = mpt_req->Control & MPI_SCSIIO_CONTROL_DATADIRECTION_MASK; 2200 if (df != MPI_SCSIIO_CONTROL_NODATATRANSFER) { 2201 mpt_prtc(mpt, "(%s %u byte%s ", 2202 (df == MPI_SCSIIO_CONTROL_READ)? 2203 "read" : "write", csio->dxfer_len, 2204 (csio->dxfer_len == 1)? ")" : "s)"); 2205 } 2206 mpt_prtc(mpt, "tgt %u lun %u req %p:%u\n", tgt, 2207 ccb->ccb_h.target_lun, req, req->serno); 2208 } 2209 2210 /* 2211 * If we have any data to send with this command map it into bus space. 2212 */ 2213 if ((ccbh->flags & CAM_DIR_MASK) != CAM_DIR_NONE) { 2214 if ((ccbh->flags & CAM_SCATTER_VALID) == 0) { 2215 /* 2216 * We've been given a pointer to a single buffer. 2217 */ 2218 if ((ccbh->flags & CAM_DATA_PHYS) == 0) { 2219 /* 2220 * Virtual address that needs to translated into 2221 * one or more physical address ranges. 2222 */ 2223 int error; 2224 crit_enter(); 2225 error = bus_dmamap_load(mpt->buffer_dmat, 2226 req->dmap, csio->data_ptr, csio->dxfer_len, 2227 cb, req, 0); 2228 crit_exit(); 2229 if (error == EINPROGRESS) { 2230 /* 2231 * So as to maintain ordering, 2232 * freeze the controller queue 2233 * until our mapping is 2234 * returned. 2235 */ 2236 xpt_freeze_simq(mpt->sim, 1); 2237 ccbh->status |= CAM_RELEASE_SIMQ; 2238 } 2239 } else { 2240 /* 2241 * We have been given a pointer to single 2242 * physical buffer. 2243 */ 2244 struct bus_dma_segment seg; 2245 seg.ds_addr = 2246 (bus_addr_t)(vm_offset_t)csio->data_ptr; 2247 seg.ds_len = csio->dxfer_len; 2248 (*cb)(req, &seg, 1, 0); 2249 } 2250 } else { 2251 /* 2252 * We have been given a list of addresses. 2253 * This case could be easily supported but they are not 2254 * currently generated by the CAM subsystem so there 2255 * is no point in wasting the time right now. 2256 */ 2257 struct bus_dma_segment *segs; 2258 if ((ccbh->flags & CAM_SG_LIST_PHYS) == 0) { 2259 (*cb)(req, NULL, 0, EFAULT); 2260 } else { 2261 /* Just use the segments provided */ 2262 segs = (struct bus_dma_segment *)csio->data_ptr; 2263 (*cb)(req, segs, csio->sglist_cnt, 0); 2264 } 2265 } 2266 } else { 2267 (*cb)(req, NULL, 0, 0); 2268 } 2269 } 2270 2271 static int 2272 mpt_bus_reset(struct mpt_softc *mpt, target_id_t tgt, lun_id_t lun, 2273 int sleep_ok) 2274 { 2275 int error; 2276 uint16_t status; 2277 uint8_t response; 2278 2279 error = mpt_scsi_send_tmf(mpt, 2280 (tgt != CAM_TARGET_WILDCARD || lun != CAM_LUN_WILDCARD) ? 2281 MPI_SCSITASKMGMT_TASKTYPE_TARGET_RESET : 2282 MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS, 2283 mpt->is_fc ? MPI_SCSITASKMGMT_MSGFLAGS_LIP_RESET_OPTION : 0, 2284 0, /* XXX How do I get the channel ID? */ 2285 tgt != CAM_TARGET_WILDCARD ? tgt : 0, 2286 lun != CAM_LUN_WILDCARD ? lun : 0, 2287 0, sleep_ok); 2288 2289 if (error != 0) { 2290 /* 2291 * mpt_scsi_send_tmf hard resets on failure, so no 2292 * need to do so here. 2293 */ 2294 mpt_prt(mpt, 2295 "mpt_bus_reset: mpt_scsi_send_tmf returned %d\n", error); 2296 return (EIO); 2297 } 2298 2299 /* Wait for bus reset to be processed by the IOC. */ 2300 error = mpt_wait_req(mpt, mpt->tmf_req, REQ_STATE_DONE, 2301 REQ_STATE_DONE, sleep_ok, 5000); 2302 2303 status = le16toh(mpt->tmf_req->IOCStatus); 2304 response = mpt->tmf_req->ResponseCode; 2305 mpt->tmf_req->state = REQ_STATE_FREE; 2306 2307 if (error) { 2308 mpt_prt(mpt, "mpt_bus_reset: Reset timed-out. " 2309 "Resetting controller.\n"); 2310 mpt_reset(mpt, TRUE); 2311 return (ETIMEDOUT); 2312 } 2313 2314 if ((status & MPI_IOCSTATUS_MASK) != MPI_IOCSTATUS_SUCCESS) { 2315 mpt_prt(mpt, "mpt_bus_reset: TMF IOC Status 0x%x. " 2316 "Resetting controller.\n", status); 2317 mpt_reset(mpt, TRUE); 2318 return (EIO); 2319 } 2320 2321 if (response != MPI_SCSITASKMGMT_RSP_TM_SUCCEEDED && 2322 response != MPI_SCSITASKMGMT_RSP_TM_COMPLETE) { 2323 mpt_prt(mpt, "mpt_bus_reset: TMF Response 0x%x. " 2324 "Resetting controller.\n", response); 2325 mpt_reset(mpt, TRUE); 2326 return (EIO); 2327 } 2328 return (0); 2329 } 2330 2331 static int 2332 mpt_fc_reset_link(struct mpt_softc *mpt, int dowait) 2333 { 2334 int r = 0; 2335 request_t *req; 2336 PTR_MSG_FC_PRIMITIVE_SEND_REQUEST fc; 2337 2338 req = mpt_get_request(mpt, FALSE); 2339 if (req == NULL) { 2340 return (ENOMEM); 2341 } 2342 fc = req->req_vbuf; 2343 memset(fc, 0, sizeof(*fc)); 2344 fc->SendFlags = MPI_FC_PRIM_SEND_FLAGS_RESET_LINK; 2345 fc->Function = MPI_FUNCTION_FC_PRIMITIVE_SEND; 2346 fc->MsgContext = htole32(req->index | fc_els_handler_id); 2347 mpt_send_cmd(mpt, req); 2348 if (dowait) { 2349 r = mpt_wait_req(mpt, req, REQ_STATE_DONE, 2350 REQ_STATE_DONE, FALSE, 60 * 1000); 2351 if (r == 0) { 2352 mpt_free_request(mpt, req); 2353 } 2354 } 2355 return (r); 2356 } 2357 2358 static void 2359 mpt_cam_rescan_callback(struct cam_periph *periph, union ccb *ccb) 2360 { 2361 xpt_free_path(ccb->ccb_h.path); 2362 xpt_free_ccb(&ccb->ccb_h); 2363 } 2364 2365 static int 2366 mpt_cam_event(struct mpt_softc *mpt, request_t *req, 2367 MSG_EVENT_NOTIFY_REPLY *msg) 2368 { 2369 uint32_t data0, data1; 2370 2371 data0 = le32toh(msg->Data[0]); 2372 data1 = le32toh(msg->Data[1]); 2373 switch(msg->Event & 0xFF) { 2374 case MPI_EVENT_UNIT_ATTENTION: 2375 mpt_prt(mpt, "UNIT ATTENTION: Bus: 0x%02x TargetID: 0x%02x\n", 2376 (data0 >> 8) & 0xff, data0 & 0xff); 2377 break; 2378 2379 case MPI_EVENT_IOC_BUS_RESET: 2380 /* We generated a bus reset */ 2381 mpt_prt(mpt, "IOC Generated Bus Reset Port: %d\n", 2382 (data0 >> 8) & 0xff); 2383 xpt_async(AC_BUS_RESET, mpt->path, NULL); 2384 break; 2385 2386 case MPI_EVENT_EXT_BUS_RESET: 2387 /* Someone else generated a bus reset */ 2388 mpt_prt(mpt, "External Bus Reset Detected\n"); 2389 /* 2390 * These replies don't return EventData like the MPI 2391 * spec says they do 2392 */ 2393 xpt_async(AC_BUS_RESET, mpt->path, NULL); 2394 break; 2395 2396 case MPI_EVENT_RESCAN: 2397 { 2398 union ccb *ccb; 2399 uint32_t pathid; 2400 /* 2401 * In general this means a device has been added to the loop. 2402 */ 2403 mpt_prt(mpt, "Rescan Port: %d\n", (data0 >> 8) & 0xff); 2404 if (mpt->ready == 0) { 2405 break; 2406 } 2407 if (mpt->phydisk_sim) { 2408 pathid = cam_sim_path(mpt->phydisk_sim); 2409 } else { 2410 pathid = cam_sim_path(mpt->sim); 2411 } 2412 /* 2413 * Allocate a CCB, create a wildcard path for this bus, 2414 * and schedule a rescan. 2415 */ 2416 ccb = xpt_alloc_ccb(); 2417 2418 if (xpt_create_path(&ccb->ccb_h.path, xpt_periph, pathid, 2419 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 2420 mpt_prt(mpt, "unable to create path for rescan\n"); 2421 xpt_free_ccb(&ccb->ccb_h); 2422 break; 2423 } 2424 2425 xpt_setup_ccb(&ccb->ccb_h, ccb->ccb_h.path, /*lowpri*/5); 2426 ccb->ccb_h.func_code = XPT_SCAN_BUS; 2427 ccb->ccb_h.cbfcnp = mpt_cam_rescan_callback; 2428 ccb->crcn.flags = CAM_FLAG_NONE; 2429 xpt_action(ccb); 2430 /* scan is now in progress */ 2431 2432 break; 2433 } 2434 case MPI_EVENT_LINK_STATUS_CHANGE: 2435 mpt_prt(mpt, "Port %d: LinkState: %s\n", 2436 (data1 >> 8) & 0xff, 2437 ((data0 & 0xff) == 0)? "Failed" : "Active"); 2438 break; 2439 2440 case MPI_EVENT_LOOP_STATE_CHANGE: 2441 switch ((data0 >> 16) & 0xff) { 2442 case 0x01: 2443 mpt_prt(mpt, 2444 "Port 0x%x: FC LinkEvent: LIP(%02x,%02x) " 2445 "(Loop Initialization)\n", 2446 (data1 >> 8) & 0xff, 2447 (data0 >> 8) & 0xff, 2448 (data0 ) & 0xff); 2449 switch ((data0 >> 8) & 0xff) { 2450 case 0xF7: 2451 if ((data0 & 0xff) == 0xF7) { 2452 mpt_prt(mpt, "Device needs AL_PA\n"); 2453 } else { 2454 mpt_prt(mpt, "Device %02x doesn't like " 2455 "FC performance\n", 2456 data0 & 0xFF); 2457 } 2458 break; 2459 case 0xF8: 2460 if ((data0 & 0xff) == 0xF7) { 2461 mpt_prt(mpt, "Device had loop failure " 2462 "at its receiver prior to acquiring" 2463 " AL_PA\n"); 2464 } else { 2465 mpt_prt(mpt, "Device %02x detected loop" 2466 " failure at its receiver\n", 2467 data0 & 0xFF); 2468 } 2469 break; 2470 default: 2471 mpt_prt(mpt, "Device %02x requests that device " 2472 "%02x reset itself\n", 2473 data0 & 0xFF, 2474 (data0 >> 8) & 0xFF); 2475 break; 2476 } 2477 break; 2478 case 0x02: 2479 mpt_prt(mpt, "Port 0x%x: FC LinkEvent: " 2480 "LPE(%02x,%02x) (Loop Port Enable)\n", 2481 (data1 >> 8) & 0xff, /* Port */ 2482 (data0 >> 8) & 0xff, /* Character 3 */ 2483 (data0 ) & 0xff /* Character 4 */); 2484 break; 2485 case 0x03: 2486 mpt_prt(mpt, "Port 0x%x: FC LinkEvent: " 2487 "LPB(%02x,%02x) (Loop Port Bypass)\n", 2488 (data1 >> 8) & 0xff, /* Port */ 2489 (data0 >> 8) & 0xff, /* Character 3 */ 2490 (data0 ) & 0xff /* Character 4 */); 2491 break; 2492 default: 2493 mpt_prt(mpt, "Port 0x%x: FC LinkEvent: Unknown " 2494 "FC event (%02x %02x %02x)\n", 2495 (data1 >> 8) & 0xff, /* Port */ 2496 (data0 >> 16) & 0xff, /* Event */ 2497 (data0 >> 8) & 0xff, /* Character 3 */ 2498 (data0 ) & 0xff /* Character 4 */); 2499 } 2500 break; 2501 2502 case MPI_EVENT_LOGOUT: 2503 mpt_prt(mpt, "FC Logout Port: %d N_PortID: %02x\n", 2504 (data1 >> 8) & 0xff, data0); 2505 break; 2506 case MPI_EVENT_QUEUE_FULL: 2507 { 2508 struct cam_sim *sim; 2509 struct cam_path *tmppath; 2510 struct ccb_relsim *crs; 2511 PTR_EVENT_DATA_QUEUE_FULL pqf; 2512 lun_id_t lun_id; 2513 2514 pqf = (PTR_EVENT_DATA_QUEUE_FULL)msg->Data; 2515 pqf->CurrentDepth = le16toh(pqf->CurrentDepth); 2516 mpt_prt(mpt, "QUEUE FULL EVENT: Bus 0x%02x Target 0x%02x Depth " 2517 "%d\n", pqf->Bus, pqf->TargetID, pqf->CurrentDepth); 2518 if (mpt->phydisk_sim && mpt_is_raid_member(mpt, 2519 pqf->TargetID) != 0) { 2520 sim = mpt->phydisk_sim; 2521 } else { 2522 sim = mpt->sim; 2523 } 2524 for (lun_id = 0; lun_id < MPT_MAX_LUNS; lun_id++) { 2525 if (xpt_create_path(&tmppath, NULL, cam_sim_path(sim), 2526 pqf->TargetID, lun_id) != CAM_REQ_CMP) { 2527 mpt_prt(mpt, "unable to create a path to send " 2528 "XPT_REL_SIMQ"); 2529 break; 2530 } 2531 crs = &xpt_alloc_ccb()->crs; 2532 xpt_setup_ccb(&crs->ccb_h, tmppath, 5); 2533 crs->ccb_h.func_code = XPT_REL_SIMQ; 2534 crs->ccb_h.flags = CAM_DEV_QFREEZE; 2535 crs->release_flags = RELSIM_ADJUST_OPENINGS; 2536 crs->openings = pqf->CurrentDepth - 1; 2537 xpt_action((union ccb *)crs); 2538 if (crs->ccb_h.status != CAM_REQ_CMP) { 2539 mpt_prt(mpt, "XPT_REL_SIMQ failed\n"); 2540 } 2541 xpt_free_path(tmppath); 2542 xpt_free_ccb(&crs->ccb_h); 2543 } 2544 break; 2545 } 2546 case MPI_EVENT_IR_RESYNC_UPDATE: 2547 mpt_prt(mpt, "IR resync update %d completed\n", 2548 (data0 >> 16) & 0xff); 2549 break; 2550 case MPI_EVENT_SAS_DEVICE_STATUS_CHANGE: 2551 { 2552 union ccb *ccb; 2553 struct cam_sim *sim; 2554 struct cam_path *tmppath; 2555 PTR_EVENT_DATA_SAS_DEVICE_STATUS_CHANGE psdsc; 2556 2557 psdsc = (PTR_EVENT_DATA_SAS_DEVICE_STATUS_CHANGE)msg->Data; 2558 if (mpt->phydisk_sim && mpt_is_raid_member(mpt, 2559 psdsc->TargetID) != 0) 2560 sim = mpt->phydisk_sim; 2561 else 2562 sim = mpt->sim; 2563 switch(psdsc->ReasonCode) { 2564 case MPI_EVENT_SAS_DEV_STAT_RC_ADDED: 2565 ccb = xpt_alloc_ccb(); 2566 if (xpt_create_path(&ccb->ccb_h.path, xpt_periph, 2567 cam_sim_path(sim), psdsc->TargetID, 2568 CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 2569 mpt_prt(mpt, 2570 "unable to create path for rescan\n"); 2571 xpt_free_ccb(&ccb->ccb_h); 2572 break; 2573 } 2574 xpt_setup_ccb(&ccb->ccb_h, ccb->ccb_h.path, /*lopri*/5); 2575 ccb->ccb_h.func_code = XPT_SCAN_BUS; 2576 ccb->ccb_h.cbfcnp = mpt_cam_rescan_callback; 2577 ccb->crcn.flags = CAM_FLAG_NONE; 2578 xpt_action(ccb); 2579 /* scan now in progress */ 2580 break; 2581 case MPI_EVENT_SAS_DEV_STAT_RC_NOT_RESPONDING: 2582 if (xpt_create_path(&tmppath, NULL, cam_sim_path(sim), 2583 psdsc->TargetID, CAM_LUN_WILDCARD) != 2584 CAM_REQ_CMP) { 2585 mpt_prt(mpt, 2586 "unable to create path for async event"); 2587 break; 2588 } 2589 xpt_async(AC_LOST_DEVICE, tmppath, NULL); 2590 xpt_free_path(tmppath); 2591 break; 2592 case MPI_EVENT_SAS_DEV_STAT_RC_CMPL_INTERNAL_DEV_RESET: 2593 case MPI_EVENT_SAS_DEV_STAT_RC_CMPL_TASK_ABORT_INTERNAL: 2594 case MPI_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET: 2595 break; 2596 default: 2597 mpt_lprt(mpt, MPT_PRT_WARN, 2598 "SAS device status change: Bus: 0x%02x TargetID: " 2599 "0x%02x ReasonCode: 0x%02x\n", psdsc->Bus, 2600 psdsc->TargetID, psdsc->ReasonCode); 2601 break; 2602 } 2603 break; 2604 } 2605 case MPI_EVENT_SAS_DISCOVERY_ERROR: 2606 { 2607 PTR_EVENT_DATA_DISCOVERY_ERROR pde; 2608 2609 pde = (PTR_EVENT_DATA_DISCOVERY_ERROR)msg->Data; 2610 pde->DiscoveryStatus = le32toh(pde->DiscoveryStatus); 2611 mpt_lprt(mpt, MPT_PRT_WARN, 2612 "SAS discovery error: Port: 0x%02x Status: 0x%08x\n", 2613 pde->Port, pde->DiscoveryStatus); 2614 break; 2615 } 2616 case MPI_EVENT_EVENT_CHANGE: 2617 case MPI_EVENT_INTEGRATED_RAID: 2618 case MPI_EVENT_IR2: 2619 case MPI_EVENT_LOG_ENTRY_ADDED: 2620 case MPI_EVENT_SAS_DISCOVERY: 2621 case MPI_EVENT_SAS_PHY_LINK_STATUS: 2622 case MPI_EVENT_SAS_SES: 2623 break; 2624 default: 2625 mpt_lprt(mpt, MPT_PRT_WARN, "mpt_cam_event: 0x%x\n", 2626 msg->Event & 0xFF); 2627 return (0); 2628 } 2629 return (1); 2630 } 2631 2632 /* 2633 * Reply path for all SCSI I/O requests, called from our 2634 * interrupt handler by extracting our handler index from 2635 * the MsgContext field of the reply from the IOC. 2636 * 2637 * This routine is optimized for the common case of a 2638 * completion without error. All exception handling is 2639 * offloaded to non-inlined helper routines to minimize 2640 * cache footprint. 2641 */ 2642 static int 2643 mpt_scsi_reply_handler(struct mpt_softc *mpt, request_t *req, 2644 uint32_t reply_desc, MSG_DEFAULT_REPLY *reply_frame) 2645 { 2646 MSG_SCSI_IO_REQUEST *scsi_req; 2647 union ccb *ccb; 2648 2649 if (req->state == REQ_STATE_FREE) { 2650 mpt_prt(mpt, "mpt_scsi_reply_handler: req already free\n"); 2651 return (TRUE); 2652 } 2653 2654 scsi_req = (MSG_SCSI_IO_REQUEST *)req->req_vbuf; 2655 ccb = req->ccb; 2656 if (ccb == NULL) { 2657 mpt_prt(mpt, "mpt_scsi_reply_handler: req %p:%u with no ccb\n", 2658 req, req->serno); 2659 return (TRUE); 2660 } 2661 2662 mpt_req_untimeout(req, mpt_timeout, ccb); 2663 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 2664 2665 if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) { 2666 bus_dmasync_op_t op; 2667 2668 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) 2669 op = BUS_DMASYNC_POSTREAD; 2670 else 2671 op = BUS_DMASYNC_POSTWRITE; 2672 bus_dmamap_sync(mpt->buffer_dmat, req->dmap, op); 2673 bus_dmamap_unload(mpt->buffer_dmat, req->dmap); 2674 } 2675 2676 if (reply_frame == NULL) { 2677 /* 2678 * Context only reply, completion without error status. 2679 */ 2680 ccb->csio.resid = 0; 2681 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 2682 ccb->csio.scsi_status = SCSI_STATUS_OK; 2683 } else { 2684 mpt_scsi_reply_frame_handler(mpt, req, reply_frame); 2685 } 2686 2687 if (mpt->outofbeer) { 2688 ccb->ccb_h.status |= CAM_RELEASE_SIMQ; 2689 mpt->outofbeer = 0; 2690 mpt_lprt(mpt, MPT_PRT_DEBUG, "THAWQ\n"); 2691 } 2692 if (scsi_req->CDB[0] == INQUIRY && (scsi_req->CDB[1] & SI_EVPD) == 0) { 2693 struct scsi_inquiry_data *iq = 2694 (struct scsi_inquiry_data *)ccb->csio.data_ptr; 2695 if (scsi_req->Function == 2696 MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH) { 2697 /* 2698 * Fake out the device type so that only the 2699 * pass-thru device will attach. 2700 */ 2701 iq->device &= ~0x1F; 2702 iq->device |= T_NODEVICE; 2703 } 2704 } 2705 if (mpt->verbose == MPT_PRT_DEBUG) { 2706 mpt_prt(mpt, "mpt_scsi_reply_handler: %p:%u complete\n", 2707 req, req->serno); 2708 } 2709 KASSERT(ccb->ccb_h.status, ("zero ccb sts at %d", __LINE__)); 2710 xpt_done(ccb); 2711 if ((req->state & REQ_STATE_TIMEDOUT) == 0) { 2712 TAILQ_REMOVE(&mpt->request_pending_list, req, links); 2713 } else { 2714 mpt_prt(mpt, "completing timedout/aborted req %p:%u\n", 2715 req, req->serno); 2716 TAILQ_REMOVE(&mpt->request_timeout_list, req, links); 2717 } 2718 KASSERT((req->state & REQ_STATE_NEED_WAKEUP) == 0, 2719 ("CCB req needed wakeup")); 2720 #ifdef INVARIANTS 2721 mpt_req_not_spcl(mpt, req, "mpt_scsi_reply_handler", __LINE__); 2722 #endif 2723 mpt_free_request(mpt, req); 2724 return (TRUE); 2725 } 2726 2727 static int 2728 mpt_scsi_tmf_reply_handler(struct mpt_softc *mpt, request_t *req, 2729 uint32_t reply_desc, MSG_DEFAULT_REPLY *reply_frame) 2730 { 2731 MSG_SCSI_TASK_MGMT_REPLY *tmf_reply; 2732 2733 KASSERT(req == mpt->tmf_req, ("TMF Reply not using mpt->tmf_req")); 2734 #ifdef INVARIANTS 2735 mpt_req_not_spcl(mpt, req, "mpt_scsi_tmf_reply_handler", __LINE__); 2736 #endif 2737 tmf_reply = (MSG_SCSI_TASK_MGMT_REPLY *)reply_frame; 2738 /* Record IOC Status and Response Code of TMF for any waiters. */ 2739 req->IOCStatus = le16toh(tmf_reply->IOCStatus); 2740 req->ResponseCode = tmf_reply->ResponseCode; 2741 2742 mpt_lprt(mpt, MPT_PRT_DEBUG, "TMF complete: req %p:%u status 0x%x\n", 2743 req, req->serno, le16toh(tmf_reply->IOCStatus)); 2744 TAILQ_REMOVE(&mpt->request_pending_list, req, links); 2745 if ((req->state & REQ_STATE_NEED_WAKEUP) != 0) { 2746 req->state |= REQ_STATE_DONE; 2747 wakeup(req); 2748 } else { 2749 mpt->tmf_req->state = REQ_STATE_FREE; 2750 } 2751 return (TRUE); 2752 } 2753 2754 /* 2755 * XXX: Move to definitions file 2756 */ 2757 #define ELS 0x22 2758 #define FC4LS 0x32 2759 #define ABTS 0x81 2760 #define BA_ACC 0x84 2761 2762 #define LS_RJT 0x01 2763 #define LS_ACC 0x02 2764 #define PLOGI 0x03 2765 #define LOGO 0x05 2766 #define SRR 0x14 2767 #define PRLI 0x20 2768 #define PRLO 0x21 2769 #define ADISC 0x52 2770 #define RSCN 0x61 2771 2772 static void 2773 mpt_fc_els_send_response(struct mpt_softc *mpt, request_t *req, 2774 PTR_MSG_LINK_SERVICE_BUFFER_POST_REPLY rp, U8 length) 2775 { 2776 uint32_t fl; 2777 MSG_LINK_SERVICE_RSP_REQUEST tmp; 2778 PTR_MSG_LINK_SERVICE_RSP_REQUEST rsp; 2779 2780 /* 2781 * We are going to reuse the ELS request to send this response back. 2782 */ 2783 rsp = &tmp; 2784 memset(rsp, 0, sizeof(*rsp)); 2785 2786 #ifdef USE_IMMEDIATE_LINK_DATA 2787 /* 2788 * Apparently the IMMEDIATE stuff doesn't seem to work. 2789 */ 2790 rsp->RspFlags = LINK_SERVICE_RSP_FLAGS_IMMEDIATE; 2791 #endif 2792 rsp->RspLength = length; 2793 rsp->Function = MPI_FUNCTION_FC_LINK_SRVC_RSP; 2794 rsp->MsgContext = htole32(req->index | fc_els_handler_id); 2795 2796 /* 2797 * Copy over information from the original reply frame to 2798 * it's correct place in the response. 2799 */ 2800 memcpy((U8 *)rsp + 0x0c, (U8 *)rp + 0x1c, 24); 2801 2802 /* 2803 * And now copy back the temporary area to the original frame. 2804 */ 2805 memcpy(req->req_vbuf, rsp, sizeof (MSG_LINK_SERVICE_RSP_REQUEST)); 2806 rsp = req->req_vbuf; 2807 2808 #ifdef USE_IMMEDIATE_LINK_DATA 2809 memcpy((U8 *)&rsp->SGL, &((U8 *)req->req_vbuf)[MPT_RQSL(mpt)], length); 2810 #else 2811 { 2812 PTR_SGE_SIMPLE32 se = (PTR_SGE_SIMPLE32) &rsp->SGL; 2813 bus_addr_t paddr = req->req_pbuf; 2814 paddr += MPT_RQSL(mpt); 2815 2816 fl = 2817 MPI_SGE_FLAGS_HOST_TO_IOC | 2818 MPI_SGE_FLAGS_SIMPLE_ELEMENT | 2819 MPI_SGE_FLAGS_LAST_ELEMENT | 2820 MPI_SGE_FLAGS_END_OF_LIST | 2821 MPI_SGE_FLAGS_END_OF_BUFFER; 2822 fl <<= MPI_SGE_FLAGS_SHIFT; 2823 fl |= (length); 2824 se->FlagsLength = htole32(fl); 2825 se->Address = htole32((uint32_t) paddr); 2826 } 2827 #endif 2828 2829 /* 2830 * Send it on... 2831 */ 2832 mpt_send_cmd(mpt, req); 2833 } 2834 2835 static int 2836 mpt_fc_els_reply_handler(struct mpt_softc *mpt, request_t *req, 2837 uint32_t reply_desc, MSG_DEFAULT_REPLY *reply_frame) 2838 { 2839 PTR_MSG_LINK_SERVICE_BUFFER_POST_REPLY rp = 2840 (PTR_MSG_LINK_SERVICE_BUFFER_POST_REPLY) reply_frame; 2841 U8 rctl; 2842 U8 type; 2843 U8 cmd; 2844 U16 status = le16toh(reply_frame->IOCStatus); 2845 U32 *elsbuf; 2846 int ioindex; 2847 int do_refresh = TRUE; 2848 2849 #ifdef INVARIANTS 2850 KASSERT(mpt_req_on_free_list(mpt, req) == 0, 2851 ("fc_els_reply_handler: req %p:%u for function %x on freelist!", 2852 req, req->serno, rp->Function)); 2853 if (rp->Function != MPI_FUNCTION_FC_PRIMITIVE_SEND) { 2854 mpt_req_spcl(mpt, req, "fc_els_reply_handler", __LINE__); 2855 } else { 2856 mpt_req_not_spcl(mpt, req, "fc_els_reply_handler", __LINE__); 2857 } 2858 #endif 2859 mpt_lprt(mpt, MPT_PRT_DEBUG, 2860 "FC_ELS Complete: req %p:%u, reply %p function %x\n", 2861 req, req->serno, reply_frame, reply_frame->Function); 2862 2863 if (status != MPI_IOCSTATUS_SUCCESS) { 2864 mpt_prt(mpt, "ELS REPLY STATUS 0x%x for Function %x\n", 2865 status, reply_frame->Function); 2866 if (status == MPI_IOCSTATUS_INVALID_STATE) { 2867 /* 2868 * XXX: to get around shutdown issue 2869 */ 2870 mpt->disabled = 1; 2871 return (TRUE); 2872 } 2873 return (TRUE); 2874 } 2875 2876 /* 2877 * If the function of a link service response, we recycle the 2878 * response to be a refresh for a new link service request. 2879 * 2880 * The request pointer is bogus in this case and we have to fetch 2881 * it based upon the TransactionContext. 2882 */ 2883 if (rp->Function == MPI_FUNCTION_FC_LINK_SRVC_RSP) { 2884 /* Freddie Uncle Charlie Katie */ 2885 /* We don't get the IOINDEX as part of the Link Svc Rsp */ 2886 for (ioindex = 0; ioindex < mpt->els_cmds_allocated; ioindex++) 2887 if (mpt->els_cmd_ptrs[ioindex] == req) { 2888 break; 2889 } 2890 2891 KASSERT(ioindex < mpt->els_cmds_allocated, 2892 ("can't find my mommie!")); 2893 2894 /* remove from active list as we're going to re-post it */ 2895 TAILQ_REMOVE(&mpt->request_pending_list, req, links); 2896 req->state &= ~REQ_STATE_QUEUED; 2897 req->state |= REQ_STATE_DONE; 2898 mpt_fc_post_els(mpt, req, ioindex); 2899 return (TRUE); 2900 } 2901 2902 if (rp->Function == MPI_FUNCTION_FC_PRIMITIVE_SEND) { 2903 /* remove from active list as we're done */ 2904 TAILQ_REMOVE(&mpt->request_pending_list, req, links); 2905 req->state &= ~REQ_STATE_QUEUED; 2906 req->state |= REQ_STATE_DONE; 2907 if (req->state & REQ_STATE_TIMEDOUT) { 2908 mpt_lprt(mpt, MPT_PRT_DEBUG, 2909 "Sync Primitive Send Completed After Timeout\n"); 2910 mpt_free_request(mpt, req); 2911 } else if ((req->state & REQ_STATE_NEED_WAKEUP) == 0) { 2912 mpt_lprt(mpt, MPT_PRT_DEBUG, 2913 "Async Primitive Send Complete\n"); 2914 mpt_free_request(mpt, req); 2915 } else { 2916 mpt_lprt(mpt, MPT_PRT_DEBUG, 2917 "Sync Primitive Send Complete- Waking Waiter\n"); 2918 wakeup(req); 2919 } 2920 return (TRUE); 2921 } 2922 2923 if (rp->Function != MPI_FUNCTION_FC_LINK_SRVC_BUF_POST) { 2924 mpt_prt(mpt, "unexpected ELS_REPLY: Function 0x%x Flags %x " 2925 "Length %d Message Flags %x\n", rp->Function, rp->Flags, 2926 rp->MsgLength, rp->MsgFlags); 2927 return (TRUE); 2928 } 2929 2930 if (rp->MsgLength <= 5) { 2931 /* 2932 * This is just a ack of an original ELS buffer post 2933 */ 2934 mpt_lprt(mpt, MPT_PRT_DEBUG, 2935 "RECV'd ACK of FC_ELS buf post %p:%u\n", req, req->serno); 2936 return (TRUE); 2937 } 2938 2939 2940 rctl = (le32toh(rp->Rctl_Did) & MPI_FC_RCTL_MASK) >> MPI_FC_RCTL_SHIFT; 2941 type = (le32toh(rp->Type_Fctl) & MPI_FC_TYPE_MASK) >> MPI_FC_TYPE_SHIFT; 2942 2943 elsbuf = &((U32 *)req->req_vbuf)[MPT_RQSL(mpt)/sizeof (U32)]; 2944 cmd = be32toh(elsbuf[0]) >> 24; 2945 2946 if (rp->Flags & MPI_LS_BUF_POST_REPLY_FLAG_NO_RSP_NEEDED) { 2947 mpt_lprt(mpt, MPT_PRT_ALWAYS, "ELS_REPLY: response unneeded\n"); 2948 return (TRUE); 2949 } 2950 2951 ioindex = le32toh(rp->TransactionContext); 2952 req = mpt->els_cmd_ptrs[ioindex]; 2953 2954 if (rctl == ELS && type == 1) { 2955 switch (cmd) { 2956 case PRLI: 2957 /* 2958 * Send back a PRLI ACC 2959 */ 2960 mpt_prt(mpt, "PRLI from 0x%08x%08x\n", 2961 le32toh(rp->Wwn.PortNameHigh), 2962 le32toh(rp->Wwn.PortNameLow)); 2963 elsbuf[0] = htobe32(0x02100014); 2964 elsbuf[1] |= htobe32(0x00000100); 2965 elsbuf[4] = htobe32(0x00000002); 2966 if (mpt->role & MPT_ROLE_TARGET) 2967 elsbuf[4] |= htobe32(0x00000010); 2968 if (mpt->role & MPT_ROLE_INITIATOR) 2969 elsbuf[4] |= htobe32(0x00000020); 2970 /* remove from active list as we're done */ 2971 TAILQ_REMOVE(&mpt->request_pending_list, req, links); 2972 req->state &= ~REQ_STATE_QUEUED; 2973 req->state |= REQ_STATE_DONE; 2974 mpt_fc_els_send_response(mpt, req, rp, 20); 2975 do_refresh = FALSE; 2976 break; 2977 case PRLO: 2978 memset(elsbuf, 0, 5 * (sizeof (U32))); 2979 elsbuf[0] = htobe32(0x02100014); 2980 elsbuf[1] = htobe32(0x08000100); 2981 mpt_prt(mpt, "PRLO from 0x%08x%08x\n", 2982 le32toh(rp->Wwn.PortNameHigh), 2983 le32toh(rp->Wwn.PortNameLow)); 2984 /* remove from active list as we're done */ 2985 TAILQ_REMOVE(&mpt->request_pending_list, req, links); 2986 req->state &= ~REQ_STATE_QUEUED; 2987 req->state |= REQ_STATE_DONE; 2988 mpt_fc_els_send_response(mpt, req, rp, 20); 2989 do_refresh = FALSE; 2990 break; 2991 default: 2992 mpt_prt(mpt, "ELS TYPE 1 COMMAND: %x\n", cmd); 2993 break; 2994 } 2995 } else if (rctl == ABTS && type == 0) { 2996 uint16_t rx_id = le16toh(rp->Rxid); 2997 uint16_t ox_id = le16toh(rp->Oxid); 2998 request_t *tgt_req = NULL; 2999 3000 mpt_prt(mpt, 3001 "ELS: ABTS OX_ID 0x%x RX_ID 0x%x from 0x%08x%08x\n", 3002 ox_id, rx_id, le32toh(rp->Wwn.PortNameHigh), 3003 le32toh(rp->Wwn.PortNameLow)); 3004 if (rx_id >= mpt->mpt_max_tgtcmds) { 3005 mpt_prt(mpt, "Bad RX_ID 0x%x\n", rx_id); 3006 } else if (mpt->tgt_cmd_ptrs == NULL) { 3007 mpt_prt(mpt, "No TGT CMD PTRS\n"); 3008 } else { 3009 tgt_req = mpt->tgt_cmd_ptrs[rx_id]; 3010 } 3011 if (tgt_req) { 3012 mpt_tgt_state_t *tgt = MPT_TGT_STATE(mpt, tgt_req); 3013 union ccb *ccb; 3014 uint32_t ct_id; 3015 3016 /* 3017 * Check to make sure we have the correct command 3018 * The reply descriptor in the target state should 3019 * should contain an IoIndex that should match the 3020 * RX_ID. 3021 * 3022 * It'd be nice to have OX_ID to crosscheck with 3023 * as well. 3024 */ 3025 ct_id = GET_IO_INDEX(tgt->reply_desc); 3026 3027 if (ct_id != rx_id) { 3028 mpt_lprt(mpt, MPT_PRT_ERROR, "ABORT Mismatch: " 3029 "RX_ID received=0x%x; RX_ID in cmd=0x%x\n", 3030 rx_id, ct_id); 3031 goto skip; 3032 } 3033 3034 ccb = tgt->ccb; 3035 if (ccb) { 3036 mpt_prt(mpt, 3037 "CCB (%p): lun %u flags %x status %x\n", 3038 ccb, ccb->ccb_h.target_lun, 3039 ccb->ccb_h.flags, ccb->ccb_h.status); 3040 } 3041 mpt_prt(mpt, "target state 0x%x resid %u xfrd %u rpwrd " 3042 "%x nxfers %x\n", tgt->state, 3043 tgt->resid, tgt->bytes_xfered, tgt->reply_desc, 3044 tgt->nxfers); 3045 skip: 3046 if (mpt_abort_target_cmd(mpt, tgt_req)) { 3047 mpt_prt(mpt, "unable to start TargetAbort\n"); 3048 } 3049 } else { 3050 mpt_prt(mpt, "no back pointer for RX_ID 0x%x\n", rx_id); 3051 } 3052 memset(elsbuf, 0, 5 * (sizeof (U32))); 3053 elsbuf[0] = htobe32(0); 3054 elsbuf[1] = htobe32((ox_id << 16) | rx_id); 3055 elsbuf[2] = htobe32(0x000ffff); 3056 /* 3057 * Dork with the reply frame so that the response to it 3058 * will be correct. 3059 */ 3060 rp->Rctl_Did += ((BA_ACC - ABTS) << MPI_FC_RCTL_SHIFT); 3061 /* remove from active list as we're done */ 3062 TAILQ_REMOVE(&mpt->request_pending_list, req, links); 3063 req->state &= ~REQ_STATE_QUEUED; 3064 req->state |= REQ_STATE_DONE; 3065 mpt_fc_els_send_response(mpt, req, rp, 12); 3066 do_refresh = FALSE; 3067 } else { 3068 mpt_prt(mpt, "ELS: RCTL %x TYPE %x CMD %x\n", rctl, type, cmd); 3069 } 3070 if (do_refresh == TRUE) { 3071 /* remove from active list as we're done */ 3072 TAILQ_REMOVE(&mpt->request_pending_list, req, links); 3073 req->state &= ~REQ_STATE_QUEUED; 3074 req->state |= REQ_STATE_DONE; 3075 mpt_fc_post_els(mpt, req, ioindex); 3076 } 3077 return (TRUE); 3078 } 3079 3080 /* 3081 * Clean up all SCSI Initiator personality state in response 3082 * to a controller reset. 3083 */ 3084 static void 3085 mpt_cam_ioc_reset(struct mpt_softc *mpt, int type) 3086 { 3087 3088 /* 3089 * The pending list is already run down by 3090 * the generic handler. Perform the same 3091 * operation on the timed out request list. 3092 */ 3093 mpt_complete_request_chain(mpt, &mpt->request_timeout_list, 3094 MPI_IOCSTATUS_INVALID_STATE); 3095 3096 /* 3097 * XXX: We need to repost ELS and Target Command Buffers? 3098 */ 3099 3100 /* 3101 * Inform the XPT that a bus reset has occurred. 3102 */ 3103 xpt_async(AC_BUS_RESET, mpt->path, NULL); 3104 } 3105 3106 /* 3107 * Parse additional completion information in the reply 3108 * frame for SCSI I/O requests. 3109 */ 3110 static int 3111 mpt_scsi_reply_frame_handler(struct mpt_softc *mpt, request_t *req, 3112 MSG_DEFAULT_REPLY *reply_frame) 3113 { 3114 union ccb *ccb; 3115 MSG_SCSI_IO_REPLY *scsi_io_reply; 3116 u_int ioc_status; 3117 u_int sstate; 3118 3119 MPT_DUMP_REPLY_FRAME(mpt, reply_frame); 3120 KASSERT(reply_frame->Function == MPI_FUNCTION_SCSI_IO_REQUEST 3121 || reply_frame->Function == MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH, 3122 ("MPT SCSI I/O Handler called with incorrect reply type")); 3123 KASSERT((reply_frame->MsgFlags & MPI_MSGFLAGS_CONTINUATION_REPLY) == 0, 3124 ("MPT SCSI I/O Handler called with continuation reply")); 3125 3126 scsi_io_reply = (MSG_SCSI_IO_REPLY *)reply_frame; 3127 ioc_status = le16toh(scsi_io_reply->IOCStatus); 3128 ioc_status &= MPI_IOCSTATUS_MASK; 3129 sstate = scsi_io_reply->SCSIState; 3130 3131 ccb = req->ccb; 3132 ccb->csio.resid = 3133 ccb->csio.dxfer_len - le32toh(scsi_io_reply->TransferCount); 3134 3135 if ((sstate & MPI_SCSI_STATE_AUTOSENSE_VALID) != 0 3136 && (ccb->ccb_h.flags & (CAM_SENSE_PHYS | CAM_SENSE_PTR)) == 0) { 3137 uint32_t sense_returned; 3138 3139 ccb->ccb_h.status |= CAM_AUTOSNS_VALID; 3140 3141 sense_returned = le32toh(scsi_io_reply->SenseCount); 3142 if (sense_returned < ccb->csio.sense_len) 3143 ccb->csio.sense_resid = ccb->csio.sense_len - 3144 sense_returned; 3145 else 3146 ccb->csio.sense_resid = 0; 3147 3148 bzero(&ccb->csio.sense_data, sizeof(ccb->csio.sense_data)); 3149 bcopy(req->sense_vbuf, &ccb->csio.sense_data, 3150 min(ccb->csio.sense_len, sense_returned)); 3151 } 3152 3153 if ((sstate & MPI_SCSI_STATE_QUEUE_TAG_REJECTED) != 0) { 3154 /* 3155 * Tag messages rejected, but non-tagged retry 3156 * was successful. 3157 XXXX 3158 mpt_set_tags(mpt, devinfo, MPT_QUEUE_NONE); 3159 */ 3160 } 3161 3162 switch(ioc_status) { 3163 case MPI_IOCSTATUS_SCSI_RESIDUAL_MISMATCH: 3164 /* 3165 * XXX 3166 * Linux driver indicates that a zero 3167 * transfer length with this error code 3168 * indicates a CRC error. 3169 * 3170 * No need to swap the bytes for checking 3171 * against zero. 3172 */ 3173 if (scsi_io_reply->TransferCount == 0) { 3174 mpt_set_ccb_status(ccb, CAM_UNCOR_PARITY); 3175 break; 3176 } 3177 /* FALLTHROUGH */ 3178 case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN: 3179 case MPI_IOCSTATUS_SUCCESS: 3180 case MPI_IOCSTATUS_SCSI_RECOVERED_ERROR: 3181 if ((sstate & MPI_SCSI_STATE_NO_SCSI_STATUS) != 0) { 3182 /* 3183 * Status was never returned for this transaction. 3184 */ 3185 mpt_set_ccb_status(ccb, CAM_UNEXP_BUSFREE); 3186 } else if (scsi_io_reply->SCSIStatus != SCSI_STATUS_OK) { 3187 ccb->csio.scsi_status = scsi_io_reply->SCSIStatus; 3188 mpt_set_ccb_status(ccb, CAM_SCSI_STATUS_ERROR); 3189 if ((sstate & MPI_SCSI_STATE_AUTOSENSE_FAILED) != 0) 3190 mpt_set_ccb_status(ccb, CAM_AUTOSENSE_FAIL); 3191 } else if ((sstate & MPI_SCSI_STATE_RESPONSE_INFO_VALID) != 0) { 3192 3193 /* XXX Handle SPI-Packet and FCP-2 response info. */ 3194 mpt_set_ccb_status(ccb, CAM_REQ_CMP_ERR); 3195 } else 3196 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 3197 break; 3198 case MPI_IOCSTATUS_SCSI_DATA_OVERRUN: 3199 mpt_set_ccb_status(ccb, CAM_DATA_RUN_ERR); 3200 break; 3201 case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR: 3202 mpt_set_ccb_status(ccb, CAM_UNCOR_PARITY); 3203 break; 3204 case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE: 3205 /* 3206 * Since selection timeouts and "device really not 3207 * there" are grouped into this error code, report 3208 * selection timeout. Selection timeouts are 3209 * typically retried before giving up on the device 3210 * whereas "device not there" errors are considered 3211 * unretryable. 3212 */ 3213 mpt_set_ccb_status(ccb, CAM_SEL_TIMEOUT); 3214 break; 3215 case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR: 3216 mpt_set_ccb_status(ccb, CAM_SEQUENCE_FAIL); 3217 break; 3218 case MPI_IOCSTATUS_SCSI_INVALID_BUS: 3219 mpt_set_ccb_status(ccb, CAM_PATH_INVALID); 3220 break; 3221 case MPI_IOCSTATUS_SCSI_INVALID_TARGETID: 3222 mpt_set_ccb_status(ccb, CAM_TID_INVALID); 3223 break; 3224 case MPI_IOCSTATUS_SCSI_TASK_MGMT_FAILED: 3225 ccb->ccb_h.status = CAM_UA_TERMIO; 3226 break; 3227 case MPI_IOCSTATUS_INVALID_STATE: 3228 /* 3229 * The IOC has been reset. Emulate a bus reset. 3230 */ 3231 /* FALLTHROUGH */ 3232 case MPI_IOCSTATUS_SCSI_EXT_TERMINATED: 3233 ccb->ccb_h.status = CAM_SCSI_BUS_RESET; 3234 break; 3235 case MPI_IOCSTATUS_SCSI_TASK_TERMINATED: 3236 case MPI_IOCSTATUS_SCSI_IOC_TERMINATED: 3237 /* 3238 * Don't clobber any timeout status that has 3239 * already been set for this transaction. We 3240 * want the SCSI layer to be able to differentiate 3241 * between the command we aborted due to timeout 3242 * and any innocent bystanders. 3243 */ 3244 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_INPROG) 3245 break; 3246 mpt_set_ccb_status(ccb, CAM_REQ_TERMIO); 3247 break; 3248 3249 case MPI_IOCSTATUS_INSUFFICIENT_RESOURCES: 3250 mpt_set_ccb_status(ccb, CAM_RESRC_UNAVAIL); 3251 break; 3252 case MPI_IOCSTATUS_BUSY: 3253 mpt_set_ccb_status(ccb, CAM_BUSY); 3254 break; 3255 case MPI_IOCSTATUS_INVALID_FUNCTION: 3256 case MPI_IOCSTATUS_INVALID_SGL: 3257 case MPI_IOCSTATUS_INTERNAL_ERROR: 3258 case MPI_IOCSTATUS_INVALID_FIELD: 3259 default: 3260 /* XXX 3261 * Some of the above may need to kick 3262 * of a recovery action!!!! 3263 */ 3264 ccb->ccb_h.status = CAM_UNREC_HBA_ERROR; 3265 break; 3266 } 3267 3268 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 3269 mpt_freeze_ccb(ccb); 3270 } 3271 3272 return (TRUE); 3273 } 3274 3275 static void 3276 mpt_action(struct cam_sim *sim, union ccb *ccb) 3277 { 3278 struct mpt_softc *mpt; 3279 struct ccb_trans_settings *cts; 3280 target_id_t tgt; 3281 lun_id_t lun; 3282 int raid_passthru; 3283 3284 CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE, ("mpt_action\n")); 3285 3286 mpt = (struct mpt_softc *)cam_sim_softc(sim); 3287 raid_passthru = (sim == mpt->phydisk_sim); 3288 MPT_LOCK_ASSERT(mpt); 3289 3290 tgt = ccb->ccb_h.target_id; 3291 lun = ccb->ccb_h.target_lun; 3292 if (raid_passthru && 3293 ccb->ccb_h.func_code != XPT_PATH_INQ && 3294 ccb->ccb_h.func_code != XPT_RESET_BUS && 3295 ccb->ccb_h.func_code != XPT_RESET_DEV) { 3296 if (mpt_map_physdisk(mpt, ccb, &tgt) != 0) { 3297 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 3298 mpt_set_ccb_status(ccb, CAM_DEV_NOT_THERE); 3299 xpt_done(ccb); 3300 return; 3301 } 3302 } 3303 ccb->ccb_h.ccb_mpt_ptr = mpt; 3304 3305 switch (ccb->ccb_h.func_code) { 3306 case XPT_SCSI_IO: /* Execute the requested I/O operation */ 3307 /* 3308 * Do a couple of preliminary checks... 3309 */ 3310 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0) { 3311 if ((ccb->ccb_h.flags & CAM_CDB_PHYS) != 0) { 3312 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 3313 mpt_set_ccb_status(ccb, CAM_REQ_INVALID); 3314 break; 3315 } 3316 } 3317 /* Max supported CDB length is 16 bytes */ 3318 /* XXX Unless we implement the new 32byte message type */ 3319 if (ccb->csio.cdb_len > 3320 sizeof (((PTR_MSG_SCSI_IO_REQUEST)0)->CDB)) { 3321 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 3322 mpt_set_ccb_status(ccb, CAM_REQ_INVALID); 3323 break; 3324 } 3325 #ifdef MPT_TEST_MULTIPATH 3326 if (mpt->failure_id == ccb->ccb_h.target_id) { 3327 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 3328 mpt_set_ccb_status(ccb, CAM_SEL_TIMEOUT); 3329 break; 3330 } 3331 #endif 3332 ccb->csio.scsi_status = SCSI_STATUS_OK; 3333 mpt_start(sim, ccb); 3334 return; 3335 3336 case XPT_RESET_BUS: 3337 if (raid_passthru) { 3338 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 3339 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 3340 break; 3341 } 3342 case XPT_RESET_DEV: 3343 if (ccb->ccb_h.func_code == XPT_RESET_BUS) { 3344 if (bootverbose) { 3345 xpt_print(ccb->ccb_h.path, "reset bus\n"); 3346 } 3347 } else { 3348 xpt_print(ccb->ccb_h.path, "reset device\n"); 3349 } 3350 (void) mpt_bus_reset(mpt, tgt, lun, FALSE); 3351 3352 /* 3353 * mpt_bus_reset is always successful in that it 3354 * will fall back to a hard reset should a bus 3355 * reset attempt fail. 3356 */ 3357 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 3358 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 3359 break; 3360 3361 case XPT_ABORT: 3362 { 3363 union ccb *accb = ccb->cab.abort_ccb; 3364 switch (accb->ccb_h.func_code) { 3365 case XPT_ACCEPT_TARGET_IO: 3366 case XPT_IMMED_NOTIFY: 3367 ccb->ccb_h.status = mpt_abort_target_ccb(mpt, ccb); 3368 break; 3369 case XPT_CONT_TARGET_IO: 3370 mpt_prt(mpt, "cannot abort active CTIOs yet\n"); 3371 ccb->ccb_h.status = CAM_UA_ABORT; 3372 break; 3373 case XPT_SCSI_IO: 3374 ccb->ccb_h.status = CAM_UA_ABORT; 3375 break; 3376 default: 3377 ccb->ccb_h.status = CAM_REQ_INVALID; 3378 break; 3379 } 3380 break; 3381 } 3382 3383 #define IS_CURRENT_SETTINGS(c) ((c)->type == CTS_TYPE_CURRENT_SETTINGS) 3384 #define DP_DISC_ENABLE 0x1 3385 #define DP_DISC_DISABL 0x2 3386 #define DP_DISC (DP_DISC_ENABLE|DP_DISC_DISABL) 3387 3388 #define DP_TQING_ENABLE 0x4 3389 #define DP_TQING_DISABL 0x8 3390 #define DP_TQING (DP_TQING_ENABLE|DP_TQING_DISABL) 3391 3392 #define DP_WIDE 0x10 3393 #define DP_NARROW 0x20 3394 #define DP_WIDTH (DP_WIDE|DP_NARROW) 3395 3396 #define DP_SYNC 0x40 3397 3398 case XPT_SET_TRAN_SETTINGS: /* Nexus Settings */ 3399 { 3400 struct ccb_trans_settings_scsi *scsi; 3401 struct ccb_trans_settings_spi *spi; 3402 uint8_t dval; 3403 u_int period; 3404 u_int offset; 3405 int i, j; 3406 3407 cts = &ccb->cts; 3408 3409 if (mpt->is_fc || mpt->is_sas) { 3410 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 3411 break; 3412 } 3413 3414 scsi = &cts->proto_specific.scsi; 3415 spi = &cts->xport_specific.spi; 3416 3417 /* 3418 * We can be called just to valid transport and proto versions 3419 */ 3420 if (scsi->valid == 0 && spi->valid == 0) { 3421 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 3422 break; 3423 } 3424 3425 /* 3426 * Skip attempting settings on RAID volume disks. 3427 * Other devices on the bus get the normal treatment. 3428 */ 3429 if (mpt->phydisk_sim && raid_passthru == 0 && 3430 mpt_is_raid_volume(mpt, tgt) != 0) { 3431 mpt_lprt(mpt, MPT_PRT_NEGOTIATION, 3432 "no transfer settings for RAID vols\n"); 3433 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 3434 break; 3435 } 3436 3437 i = mpt->mpt_port_page2.PortSettings & 3438 MPI_SCSIPORTPAGE2_PORT_MASK_NEGO_MASTER_SETTINGS; 3439 j = mpt->mpt_port_page2.PortFlags & 3440 MPI_SCSIPORTPAGE2_PORT_FLAGS_DV_MASK; 3441 if (i == MPI_SCSIPORTPAGE2_PORT_ALL_MASTER_SETTINGS && 3442 j == MPI_SCSIPORTPAGE2_PORT_FLAGS_OFF_DV) { 3443 mpt_lprt(mpt, MPT_PRT_ALWAYS, 3444 "honoring BIOS transfer negotiations\n"); 3445 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 3446 break; 3447 } 3448 3449 dval = 0; 3450 period = 0; 3451 offset = 0; 3452 3453 if ((spi->valid & CTS_SPI_VALID_DISC) != 0) { 3454 dval |= ((spi->flags & CTS_SPI_FLAGS_DISC_ENB) != 0) ? 3455 DP_DISC_ENABLE : DP_DISC_DISABL; 3456 } 3457 3458 if ((scsi->valid & CTS_SCSI_VALID_TQ) != 0) { 3459 dval |= ((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0) ? 3460 DP_TQING_ENABLE : DP_TQING_DISABL; 3461 } 3462 3463 if ((spi->valid & CTS_SPI_VALID_BUS_WIDTH) != 0) { 3464 dval |= (spi->bus_width == MSG_EXT_WDTR_BUS_16_BIT) ? 3465 DP_WIDE : DP_NARROW; 3466 } 3467 3468 if (spi->valid & CTS_SPI_VALID_SYNC_OFFSET) { 3469 dval |= DP_SYNC; 3470 offset = spi->sync_offset; 3471 } else { 3472 PTR_CONFIG_PAGE_SCSI_DEVICE_1 ptr = 3473 &mpt->mpt_dev_page1[tgt]; 3474 offset = ptr->RequestedParameters; 3475 offset &= MPI_SCSIDEVPAGE1_RP_MAX_SYNC_OFFSET_MASK; 3476 offset >>= MPI_SCSIDEVPAGE1_RP_SHIFT_MAX_SYNC_OFFSET; 3477 } 3478 if (spi->valid & CTS_SPI_VALID_SYNC_RATE) { 3479 dval |= DP_SYNC; 3480 period = spi->sync_period; 3481 } else { 3482 PTR_CONFIG_PAGE_SCSI_DEVICE_1 ptr = 3483 &mpt->mpt_dev_page1[tgt]; 3484 period = ptr->RequestedParameters; 3485 period &= MPI_SCSIDEVPAGE1_RP_MIN_SYNC_PERIOD_MASK; 3486 period >>= MPI_SCSIDEVPAGE1_RP_SHIFT_MIN_SYNC_PERIOD; 3487 } 3488 if (dval & DP_DISC_ENABLE) { 3489 mpt->mpt_disc_enable |= (1 << tgt); 3490 } else if (dval & DP_DISC_DISABL) { 3491 mpt->mpt_disc_enable &= ~(1 << tgt); 3492 } 3493 if (dval & DP_TQING_ENABLE) { 3494 mpt->mpt_tag_enable |= (1 << tgt); 3495 } else if (dval & DP_TQING_DISABL) { 3496 mpt->mpt_tag_enable &= ~(1 << tgt); 3497 } 3498 if (dval & DP_WIDTH) { 3499 mpt_setwidth(mpt, tgt, 1); 3500 } 3501 if (dval & DP_SYNC) { 3502 mpt_setsync(mpt, tgt, period, offset); 3503 } 3504 if (dval == 0) { 3505 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 3506 break; 3507 } 3508 mpt_lprt(mpt, MPT_PRT_NEGOTIATION, 3509 "set [%d]: 0x%x period 0x%x offset %d\n", 3510 tgt, dval, period, offset); 3511 if (mpt_update_spi_config(mpt, tgt)) { 3512 mpt_set_ccb_status(ccb, CAM_REQ_CMP_ERR); 3513 } else { 3514 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 3515 } 3516 break; 3517 } 3518 case XPT_GET_TRAN_SETTINGS: 3519 { 3520 struct ccb_trans_settings_scsi *scsi; 3521 cts = &ccb->cts; 3522 cts->protocol = PROTO_SCSI; 3523 if (mpt->is_fc) { 3524 struct ccb_trans_settings_fc *fc = 3525 &cts->xport_specific.fc; 3526 cts->protocol_version = SCSI_REV_SPC; 3527 cts->transport = XPORT_FC; 3528 cts->transport_version = 0; 3529 fc->valid = CTS_FC_VALID_SPEED; 3530 fc->bitrate = 100000; 3531 } else if (mpt->is_sas) { 3532 struct ccb_trans_settings_sas *sas = 3533 &cts->xport_specific.sas; 3534 cts->protocol_version = SCSI_REV_SPC2; 3535 cts->transport = XPORT_SAS; 3536 cts->transport_version = 0; 3537 sas->valid = CTS_SAS_VALID_SPEED; 3538 sas->bitrate = 300000; 3539 } else { 3540 cts->protocol_version = SCSI_REV_2; 3541 cts->transport = XPORT_SPI; 3542 cts->transport_version = 2; 3543 if (mpt_get_spi_settings(mpt, cts) != 0) { 3544 mpt_set_ccb_status(ccb, CAM_REQ_CMP_ERR); 3545 break; 3546 } 3547 } 3548 scsi = &cts->proto_specific.scsi; 3549 scsi->valid = CTS_SCSI_VALID_TQ; 3550 scsi->flags = CTS_SCSI_FLAGS_TAG_ENB; 3551 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 3552 break; 3553 } 3554 case XPT_CALC_GEOMETRY: 3555 { 3556 struct ccb_calc_geometry *ccg; 3557 3558 ccg = &ccb->ccg; 3559 if (ccg->block_size == 0) { 3560 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 3561 mpt_set_ccb_status(ccb, CAM_REQ_INVALID); 3562 break; 3563 } 3564 cam_calc_geometry(ccg, /*extended*/1); 3565 KASSERT(ccb->ccb_h.status, ("zero ccb sts at %d", __LINE__)); 3566 break; 3567 } 3568 case XPT_PATH_INQ: /* Path routing inquiry */ 3569 { 3570 struct ccb_pathinq *cpi = &ccb->cpi; 3571 3572 cpi->version_num = 1; 3573 cpi->target_sprt = 0; 3574 cpi->hba_eng_cnt = 0; 3575 cpi->max_target = mpt->port_facts[0].MaxDevices - 1; 3576 #if 0 /* XXX swildner */ 3577 cpi->maxio = (mpt->max_cam_seg_cnt - 1) * PAGE_SIZE; 3578 #endif 3579 /* 3580 * FC cards report MAX_DEVICES of 512, but 3581 * the MSG_SCSI_IO_REQUEST target id field 3582 * is only 8 bits. Until we fix the driver 3583 * to support 'channels' for bus overflow, 3584 * just limit it. 3585 */ 3586 if (cpi->max_target > 255) { 3587 cpi->max_target = 255; 3588 } 3589 3590 /* 3591 * VMware ESX reports > 16 devices and then dies when we probe. 3592 */ 3593 if (mpt->is_spi && cpi->max_target > 15) { 3594 cpi->max_target = 15; 3595 } 3596 if (mpt->is_spi) 3597 cpi->max_lun = 7; 3598 else 3599 cpi->max_lun = MPT_MAX_LUNS; 3600 cpi->initiator_id = mpt->mpt_ini_id; 3601 cpi->bus_id = cam_sim_bus(sim); 3602 3603 /* 3604 * The base speed is the speed of the underlying connection. 3605 */ 3606 cpi->protocol = PROTO_SCSI; 3607 if (mpt->is_fc) { 3608 cpi->hba_misc = PIM_NOBUSRESET; 3609 cpi->base_transfer_speed = 100000; 3610 cpi->hba_inquiry = PI_TAG_ABLE; 3611 cpi->transport = XPORT_FC; 3612 cpi->transport_version = 0; 3613 cpi->protocol_version = SCSI_REV_SPC; 3614 } else if (mpt->is_sas) { 3615 cpi->hba_misc = PIM_NOBUSRESET; 3616 cpi->base_transfer_speed = 300000; 3617 cpi->hba_inquiry = PI_TAG_ABLE; 3618 cpi->transport = XPORT_SAS; 3619 cpi->transport_version = 0; 3620 cpi->protocol_version = SCSI_REV_SPC2; 3621 } else { 3622 cpi->hba_misc = PIM_SEQSCAN; 3623 cpi->base_transfer_speed = 3300; 3624 cpi->hba_inquiry = PI_SDTR_ABLE|PI_TAG_ABLE|PI_WIDE_16; 3625 cpi->transport = XPORT_SPI; 3626 cpi->transport_version = 2; 3627 cpi->protocol_version = SCSI_REV_2; 3628 } 3629 3630 /* 3631 * We give our fake RAID passhtru bus a width that is MaxVolumes 3632 * wide and restrict it to one lun. 3633 */ 3634 if (raid_passthru) { 3635 cpi->max_target = mpt->ioc_page2->MaxPhysDisks - 1; 3636 cpi->initiator_id = cpi->max_target + 1; 3637 cpi->max_lun = 0; 3638 } 3639 3640 if ((mpt->role & MPT_ROLE_INITIATOR) == 0) { 3641 cpi->hba_misc |= PIM_NOINITIATOR; 3642 } 3643 if (mpt->is_fc && (mpt->role & MPT_ROLE_TARGET)) { 3644 cpi->target_sprt = 3645 PIT_PROCESSOR | PIT_DISCONNECT | PIT_TERM_IO; 3646 } else { 3647 cpi->target_sprt = 0; 3648 } 3649 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); 3650 strncpy(cpi->hba_vid, "LSI", HBA_IDLEN); 3651 strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN); 3652 cpi->unit_number = cam_sim_unit(sim); 3653 cpi->ccb_h.status = CAM_REQ_CMP; 3654 break; 3655 } 3656 case XPT_EN_LUN: /* Enable LUN as a target */ 3657 { 3658 int result; 3659 3660 if (ccb->cel.enable) 3661 result = mpt_enable_lun(mpt, 3662 ccb->ccb_h.target_id, ccb->ccb_h.target_lun); 3663 else 3664 result = mpt_disable_lun(mpt, 3665 ccb->ccb_h.target_id, ccb->ccb_h.target_lun); 3666 if (result == 0) { 3667 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 3668 } else { 3669 mpt_set_ccb_status(ccb, CAM_REQ_CMP_ERR); 3670 } 3671 break; 3672 } 3673 case XPT_NOTIFY_ACK: /* recycle notify ack */ 3674 case XPT_IMMED_NOTIFY: /* Add Immediate Notify Resource */ 3675 case XPT_ACCEPT_TARGET_IO: /* Add Accept Target IO Resource */ 3676 { 3677 tgt_resource_t *trtp; 3678 lun_id_t lun = ccb->ccb_h.target_lun; 3679 ccb->ccb_h.sim_priv.entries[0].field = 0; 3680 ccb->ccb_h.sim_priv.entries[1].ptr = mpt; 3681 ccb->ccb_h.flags = 0; 3682 3683 if (lun == CAM_LUN_WILDCARD) { 3684 if (ccb->ccb_h.target_id != CAM_TARGET_WILDCARD) { 3685 mpt_set_ccb_status(ccb, CAM_REQ_INVALID); 3686 break; 3687 } 3688 trtp = &mpt->trt_wildcard; 3689 } else if (lun >= MPT_MAX_LUNS) { 3690 mpt_set_ccb_status(ccb, CAM_REQ_INVALID); 3691 break; 3692 } else { 3693 trtp = &mpt->trt[lun]; 3694 } 3695 if (ccb->ccb_h.func_code == XPT_ACCEPT_TARGET_IO) { 3696 mpt_lprt(mpt, MPT_PRT_DEBUG1, 3697 "Put FREE ATIO %p lun %d\n", ccb, lun); 3698 STAILQ_INSERT_TAIL(&trtp->atios, &ccb->ccb_h, 3699 sim_links.stqe); 3700 } else if (ccb->ccb_h.func_code == XPT_IMMED_NOTIFY) { 3701 mpt_lprt(mpt, MPT_PRT_DEBUG1, 3702 "Put FREE INOT lun %d\n", lun); 3703 STAILQ_INSERT_TAIL(&trtp->inots, &ccb->ccb_h, 3704 sim_links.stqe); 3705 } else { 3706 mpt_lprt(mpt, MPT_PRT_ALWAYS, "Got Notify ACK\n"); 3707 } 3708 mpt_set_ccb_status(ccb, CAM_REQ_INPROG); 3709 return; 3710 } 3711 case XPT_CONT_TARGET_IO: 3712 mpt_target_start_io(mpt, ccb); 3713 return; 3714 3715 default: 3716 ccb->ccb_h.status = CAM_REQ_INVALID; 3717 break; 3718 } 3719 xpt_done(ccb); 3720 } 3721 3722 static int 3723 mpt_get_spi_settings(struct mpt_softc *mpt, struct ccb_trans_settings *cts) 3724 { 3725 struct ccb_trans_settings_scsi *scsi = &cts->proto_specific.scsi; 3726 struct ccb_trans_settings_spi *spi = &cts->xport_specific.spi; 3727 target_id_t tgt; 3728 uint32_t dval, pval, oval; 3729 int rv; 3730 3731 if (IS_CURRENT_SETTINGS(cts) == 0) { 3732 tgt = cts->ccb_h.target_id; 3733 } else if (xpt_path_sim(cts->ccb_h.path) == mpt->phydisk_sim) { 3734 if (mpt_map_physdisk(mpt, (union ccb *)cts, &tgt)) { 3735 return (-1); 3736 } 3737 } else { 3738 tgt = cts->ccb_h.target_id; 3739 } 3740 3741 /* 3742 * We aren't looking at Port Page 2 BIOS settings here- 3743 * sometimes these have been known to be bogus XXX. 3744 * 3745 * For user settings, we pick the max from port page 0 3746 * 3747 * For current settings we read the current settings out from 3748 * device page 0 for that target. 3749 */ 3750 if (IS_CURRENT_SETTINGS(cts)) { 3751 CONFIG_PAGE_SCSI_DEVICE_0 tmp; 3752 dval = 0; 3753 3754 tmp = mpt->mpt_dev_page0[tgt]; 3755 rv = mpt_read_cur_cfg_page(mpt, tgt, &tmp.Header, 3756 sizeof(tmp), FALSE, 5000); 3757 if (rv) { 3758 mpt_prt(mpt, "can't get tgt %d config page 0\n", tgt); 3759 return (rv); 3760 } 3761 mpt2host_config_page_scsi_device_0(&tmp); 3762 3763 mpt_lprt(mpt, MPT_PRT_DEBUG, 3764 "mpt_get_spi_settings[%d]: current NP %x Info %x\n", tgt, 3765 tmp.NegotiatedParameters, tmp.Information); 3766 dval |= (tmp.NegotiatedParameters & MPI_SCSIDEVPAGE0_NP_WIDE) ? 3767 DP_WIDE : DP_NARROW; 3768 dval |= (mpt->mpt_disc_enable & (1 << tgt)) ? 3769 DP_DISC_ENABLE : DP_DISC_DISABL; 3770 dval |= (mpt->mpt_tag_enable & (1 << tgt)) ? 3771 DP_TQING_ENABLE : DP_TQING_DISABL; 3772 oval = tmp.NegotiatedParameters; 3773 oval &= MPI_SCSIDEVPAGE0_NP_NEG_SYNC_OFFSET_MASK; 3774 oval >>= MPI_SCSIDEVPAGE0_NP_SHIFT_SYNC_OFFSET; 3775 pval = tmp.NegotiatedParameters; 3776 pval &= MPI_SCSIDEVPAGE0_NP_NEG_SYNC_PERIOD_MASK; 3777 pval >>= MPI_SCSIDEVPAGE0_NP_SHIFT_SYNC_PERIOD; 3778 mpt->mpt_dev_page0[tgt] = tmp; 3779 } else { 3780 dval = DP_WIDE|DP_DISC_ENABLE|DP_TQING_ENABLE|DP_SYNC; 3781 oval = mpt->mpt_port_page0.Capabilities; 3782 oval = MPI_SCSIPORTPAGE0_CAP_GET_MAX_SYNC_OFFSET(oval); 3783 pval = mpt->mpt_port_page0.Capabilities; 3784 pval = MPI_SCSIPORTPAGE0_CAP_GET_MIN_SYNC_PERIOD(pval); 3785 } 3786 3787 spi->valid = 0; 3788 scsi->valid = 0; 3789 spi->flags = 0; 3790 scsi->flags = 0; 3791 spi->sync_offset = oval; 3792 spi->sync_period = pval; 3793 spi->valid |= CTS_SPI_VALID_SYNC_OFFSET; 3794 spi->valid |= CTS_SPI_VALID_SYNC_RATE; 3795 spi->valid |= CTS_SPI_VALID_BUS_WIDTH; 3796 if (dval & DP_WIDE) { 3797 spi->bus_width = MSG_EXT_WDTR_BUS_16_BIT; 3798 } else { 3799 spi->bus_width = MSG_EXT_WDTR_BUS_8_BIT; 3800 } 3801 if (cts->ccb_h.target_lun != CAM_LUN_WILDCARD) { 3802 scsi->valid = CTS_SCSI_VALID_TQ; 3803 if (dval & DP_TQING_ENABLE) { 3804 scsi->flags |= CTS_SCSI_FLAGS_TAG_ENB; 3805 } 3806 spi->valid |= CTS_SPI_VALID_DISC; 3807 if (dval & DP_DISC_ENABLE) { 3808 spi->flags |= CTS_SPI_FLAGS_DISC_ENB; 3809 } 3810 } 3811 mpt_lprt(mpt, MPT_PRT_NEGOTIATION, 3812 "mpt_get_spi_settings[%d]: %s flags 0x%x per 0x%x off=%d\n", tgt, 3813 IS_CURRENT_SETTINGS(cts) ? "ACTIVE" : "NVRAM ", dval, pval, oval); 3814 return (0); 3815 } 3816 3817 static void 3818 mpt_setwidth(struct mpt_softc *mpt, int tgt, int onoff) 3819 { 3820 PTR_CONFIG_PAGE_SCSI_DEVICE_1 ptr; 3821 3822 ptr = &mpt->mpt_dev_page1[tgt]; 3823 if (onoff) { 3824 ptr->RequestedParameters |= MPI_SCSIDEVPAGE1_RP_WIDE; 3825 } else { 3826 ptr->RequestedParameters &= ~MPI_SCSIDEVPAGE1_RP_WIDE; 3827 } 3828 } 3829 3830 static void 3831 mpt_setsync(struct mpt_softc *mpt, int tgt, int period, int offset) 3832 { 3833 PTR_CONFIG_PAGE_SCSI_DEVICE_1 ptr; 3834 3835 ptr = &mpt->mpt_dev_page1[tgt]; 3836 ptr->RequestedParameters &= ~MPI_SCSIDEVPAGE1_RP_MIN_SYNC_PERIOD_MASK; 3837 ptr->RequestedParameters &= ~MPI_SCSIDEVPAGE1_RP_MAX_SYNC_OFFSET_MASK; 3838 ptr->RequestedParameters &= ~MPI_SCSIDEVPAGE1_RP_DT; 3839 ptr->RequestedParameters &= ~MPI_SCSIDEVPAGE1_RP_QAS; 3840 ptr->RequestedParameters &= ~MPI_SCSIDEVPAGE1_RP_IU; 3841 if (period == 0) { 3842 return; 3843 } 3844 ptr->RequestedParameters |= 3845 period << MPI_SCSIDEVPAGE1_RP_SHIFT_MIN_SYNC_PERIOD; 3846 ptr->RequestedParameters |= 3847 offset << MPI_SCSIDEVPAGE1_RP_SHIFT_MAX_SYNC_OFFSET; 3848 if (period < 0xa) { 3849 ptr->RequestedParameters |= MPI_SCSIDEVPAGE1_RP_DT; 3850 } 3851 if (period < 0x9) { 3852 ptr->RequestedParameters |= MPI_SCSIDEVPAGE1_RP_QAS; 3853 ptr->RequestedParameters |= MPI_SCSIDEVPAGE1_RP_IU; 3854 } 3855 } 3856 3857 static int 3858 mpt_update_spi_config(struct mpt_softc *mpt, int tgt) 3859 { 3860 CONFIG_PAGE_SCSI_DEVICE_1 tmp; 3861 int rv; 3862 3863 mpt_lprt(mpt, MPT_PRT_NEGOTIATION, 3864 "mpt_update_spi_config[%d].page1: Requested Params 0x%08x\n", 3865 tgt, mpt->mpt_dev_page1[tgt].RequestedParameters); 3866 tmp = mpt->mpt_dev_page1[tgt]; 3867 host2mpt_config_page_scsi_device_1(&tmp); 3868 rv = mpt_write_cur_cfg_page(mpt, tgt, 3869 &tmp.Header, sizeof(tmp), FALSE, 5000); 3870 if (rv) { 3871 mpt_prt(mpt, "mpt_update_spi_config: write cur page failed\n"); 3872 return (-1); 3873 } 3874 return (0); 3875 } 3876 3877 /****************************** Timeout Recovery ******************************/ 3878 static int 3879 mpt_spawn_recovery_thread(struct mpt_softc *mpt) 3880 { 3881 int error; 3882 3883 error = kthread_create(mpt_recovery_thread, mpt, 3884 &mpt->recovery_thread, "mpt_recovery%d", mpt->unit); 3885 return (error); 3886 } 3887 3888 static void 3889 mpt_terminate_recovery_thread(struct mpt_softc *mpt) 3890 { 3891 3892 if (mpt->recovery_thread == NULL) { 3893 return; 3894 } 3895 mpt->shutdwn_recovery = 1; 3896 wakeup(mpt); 3897 /* 3898 * Sleep on a slightly different location 3899 * for this interlock just for added safety. 3900 */ 3901 mpt_sleep(mpt, &mpt->recovery_thread, 0, "thtrm", 0); 3902 } 3903 3904 static void 3905 mpt_recovery_thread(void *arg) 3906 { 3907 struct mpt_softc *mpt; 3908 3909 mpt = (struct mpt_softc *)arg; 3910 MPT_LOCK(mpt); 3911 for (;;) { 3912 if (TAILQ_EMPTY(&mpt->request_timeout_list) != 0) { 3913 if (mpt->shutdwn_recovery == 0) { 3914 mpt_sleep(mpt, mpt, 0, "idle", 0); 3915 } 3916 } 3917 if (mpt->shutdwn_recovery != 0) { 3918 break; 3919 } 3920 mpt_recover_commands(mpt); 3921 } 3922 mpt->recovery_thread = NULL; 3923 wakeup(&mpt->recovery_thread); 3924 MPT_UNLOCK(mpt); 3925 kthread_exit(); 3926 } 3927 3928 static int 3929 mpt_scsi_send_tmf(struct mpt_softc *mpt, u_int type, u_int flags, 3930 u_int channel, u_int target, u_int lun, u_int abort_ctx, int sleep_ok) 3931 { 3932 MSG_SCSI_TASK_MGMT *tmf_req; 3933 int error; 3934 3935 /* 3936 * Wait for any current TMF request to complete. 3937 * We're only allowed to issue one TMF at a time. 3938 */ 3939 error = mpt_wait_req(mpt, mpt->tmf_req, REQ_STATE_FREE, REQ_STATE_FREE, 3940 sleep_ok, MPT_TMF_MAX_TIMEOUT); 3941 if (error != 0) { 3942 mpt_reset(mpt, TRUE); 3943 return (ETIMEDOUT); 3944 } 3945 3946 mpt_assign_serno(mpt, mpt->tmf_req); 3947 mpt->tmf_req->state = REQ_STATE_ALLOCATED|REQ_STATE_QUEUED; 3948 3949 tmf_req = (MSG_SCSI_TASK_MGMT *)mpt->tmf_req->req_vbuf; 3950 memset(tmf_req, 0, sizeof(*tmf_req)); 3951 tmf_req->TargetID = target; 3952 tmf_req->Bus = channel; 3953 tmf_req->Function = MPI_FUNCTION_SCSI_TASK_MGMT; 3954 tmf_req->TaskType = type; 3955 tmf_req->MsgFlags = flags; 3956 tmf_req->MsgContext = 3957 htole32(mpt->tmf_req->index | scsi_tmf_handler_id); 3958 if (lun > MPT_MAX_LUNS) { 3959 tmf_req->LUN[0] = 0x40 | ((lun >> 8) & 0x3f); 3960 tmf_req->LUN[1] = lun & 0xff; 3961 } else { 3962 tmf_req->LUN[1] = lun; 3963 } 3964 tmf_req->TaskMsgContext = abort_ctx; 3965 3966 mpt_lprt(mpt, MPT_PRT_DEBUG, 3967 "Issuing TMF %p:%u with MsgContext of 0x%x\n", mpt->tmf_req, 3968 mpt->tmf_req->serno, tmf_req->MsgContext); 3969 if (mpt->verbose > MPT_PRT_DEBUG) { 3970 mpt_print_request(tmf_req); 3971 } 3972 3973 KASSERT(mpt_req_on_pending_list(mpt, mpt->tmf_req) == 0, 3974 ("mpt_scsi_send_tmf: tmf_req already on pending list")); 3975 TAILQ_INSERT_HEAD(&mpt->request_pending_list, mpt->tmf_req, links); 3976 error = mpt_send_handshake_cmd(mpt, sizeof(*tmf_req), tmf_req); 3977 if (error != MPT_OK) { 3978 TAILQ_REMOVE(&mpt->request_pending_list, mpt->tmf_req, links); 3979 mpt->tmf_req->state = REQ_STATE_FREE; 3980 mpt_reset(mpt, TRUE); 3981 } 3982 return (error); 3983 } 3984 3985 /* 3986 * When a command times out, it is placed on the requeust_timeout_list 3987 * and we wake our recovery thread. The MPT-Fusion architecture supports 3988 * only a single TMF operation at a time, so we serially abort/bdr, etc, 3989 * the timedout transactions. The next TMF is issued either by the 3990 * completion handler of the current TMF waking our recovery thread, 3991 * or the TMF timeout handler causing a hard reset sequence. 3992 */ 3993 static void 3994 mpt_recover_commands(struct mpt_softc *mpt) 3995 { 3996 request_t *req; 3997 union ccb *ccb; 3998 int error; 3999 4000 if (TAILQ_EMPTY(&mpt->request_timeout_list) != 0) { 4001 /* 4002 * No work to do- leave. 4003 */ 4004 mpt_prt(mpt, "mpt_recover_commands: no requests.\n"); 4005 return; 4006 } 4007 4008 /* 4009 * Flush any commands whose completion coincides with their timeout. 4010 */ 4011 mpt_intr(mpt); 4012 4013 if (TAILQ_EMPTY(&mpt->request_timeout_list) != 0) { 4014 /* 4015 * The timedout commands have already 4016 * completed. This typically means 4017 * that either the timeout value was on 4018 * the hairy edge of what the device 4019 * requires or - more likely - interrupts 4020 * are not happening. 4021 */ 4022 mpt_prt(mpt, "Timedout requests already complete. " 4023 "Interrupts may not be functioning.\n"); 4024 mpt_enable_ints(mpt); 4025 return; 4026 } 4027 4028 /* 4029 * We have no visibility into the current state of the 4030 * controller, so attempt to abort the commands in the 4031 * order they timed-out. For initiator commands, we 4032 * depend on the reply handler pulling requests off 4033 * the timeout list. 4034 */ 4035 while ((req = TAILQ_FIRST(&mpt->request_timeout_list)) != NULL) { 4036 uint16_t status; 4037 uint8_t response; 4038 MSG_REQUEST_HEADER *hdrp = req->req_vbuf; 4039 4040 mpt_prt(mpt, "attempting to abort req %p:%u function %x\n", 4041 req, req->serno, hdrp->Function); 4042 ccb = req->ccb; 4043 if (ccb == NULL) { 4044 mpt_prt(mpt, "null ccb in timed out request. " 4045 "Resetting Controller.\n"); 4046 mpt_reset(mpt, TRUE); 4047 continue; 4048 } 4049 mpt_set_ccb_status(ccb, CAM_CMD_TIMEOUT); 4050 4051 /* 4052 * Check to see if this is not an initiator command and 4053 * deal with it differently if it is. 4054 */ 4055 switch (hdrp->Function) { 4056 case MPI_FUNCTION_SCSI_IO_REQUEST: 4057 case MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH: 4058 break; 4059 default: 4060 /* 4061 * XXX: FIX ME: need to abort target assists... 4062 */ 4063 mpt_prt(mpt, "just putting it back on the pend q\n"); 4064 TAILQ_REMOVE(&mpt->request_timeout_list, req, links); 4065 TAILQ_INSERT_HEAD(&mpt->request_pending_list, req, 4066 links); 4067 continue; 4068 } 4069 4070 error = mpt_scsi_send_tmf(mpt, 4071 MPI_SCSITASKMGMT_TASKTYPE_ABORT_TASK, 4072 0, 0, ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 4073 htole32(req->index | scsi_io_handler_id), TRUE); 4074 4075 if (error != 0) { 4076 /* 4077 * mpt_scsi_send_tmf hard resets on failure, so no 4078 * need to do so here. Our queue should be emptied 4079 * by the hard reset. 4080 */ 4081 continue; 4082 } 4083 4084 error = mpt_wait_req(mpt, mpt->tmf_req, REQ_STATE_DONE, 4085 REQ_STATE_DONE, TRUE, 500); 4086 4087 status = le16toh(mpt->tmf_req->IOCStatus); 4088 response = mpt->tmf_req->ResponseCode; 4089 mpt->tmf_req->state = REQ_STATE_FREE; 4090 4091 if (error != 0) { 4092 /* 4093 * If we've errored out,, reset the controller. 4094 */ 4095 mpt_prt(mpt, "mpt_recover_commands: abort timed-out. " 4096 "Resetting controller\n"); 4097 mpt_reset(mpt, TRUE); 4098 continue; 4099 } 4100 4101 if ((status & MPI_IOCSTATUS_MASK) != MPI_IOCSTATUS_SUCCESS) { 4102 mpt_prt(mpt, "mpt_recover_commands: IOC Status 0x%x. " 4103 "Resetting controller.\n", status); 4104 mpt_reset(mpt, TRUE); 4105 continue; 4106 } 4107 4108 if (response != MPI_SCSITASKMGMT_RSP_TM_SUCCEEDED && 4109 response != MPI_SCSITASKMGMT_RSP_TM_COMPLETE) { 4110 mpt_prt(mpt, "mpt_recover_commands: TMF Response 0x%x. " 4111 "Resetting controller.\n", response); 4112 mpt_reset(mpt, TRUE); 4113 continue; 4114 } 4115 mpt_prt(mpt, "abort of req %p:%u completed\n", req, req->serno); 4116 } 4117 } 4118 4119 /************************ Target Mode Support ****************************/ 4120 static void 4121 mpt_fc_post_els(struct mpt_softc *mpt, request_t *req, int ioindex) 4122 { 4123 MSG_LINK_SERVICE_BUFFER_POST_REQUEST *fc; 4124 PTR_SGE_TRANSACTION32 tep; 4125 PTR_SGE_SIMPLE32 se; 4126 bus_addr_t paddr; 4127 uint32_t fl; 4128 4129 paddr = req->req_pbuf; 4130 paddr += MPT_RQSL(mpt); 4131 4132 fc = req->req_vbuf; 4133 memset(fc, 0, MPT_REQUEST_AREA); 4134 fc->BufferCount = 1; 4135 fc->Function = MPI_FUNCTION_FC_LINK_SRVC_BUF_POST; 4136 fc->MsgContext = htole32(req->index | fc_els_handler_id); 4137 4138 /* 4139 * Okay, set up ELS buffer pointers. ELS buffer pointers 4140 * consist of a TE SGL element (with details length of zero) 4141 * followed by a SIMPLE SGL element which holds the address 4142 * of the buffer. 4143 */ 4144 4145 tep = (PTR_SGE_TRANSACTION32) &fc->SGL; 4146 4147 tep->ContextSize = 4; 4148 tep->Flags = 0; 4149 tep->TransactionContext[0] = htole32(ioindex); 4150 4151 se = (PTR_SGE_SIMPLE32) &tep->TransactionDetails[0]; 4152 fl = 4153 MPI_SGE_FLAGS_HOST_TO_IOC | 4154 MPI_SGE_FLAGS_SIMPLE_ELEMENT | 4155 MPI_SGE_FLAGS_LAST_ELEMENT | 4156 MPI_SGE_FLAGS_END_OF_LIST | 4157 MPI_SGE_FLAGS_END_OF_BUFFER; 4158 fl <<= MPI_SGE_FLAGS_SHIFT; 4159 fl |= (MPT_NRFM(mpt) - MPT_RQSL(mpt)); 4160 se->FlagsLength = htole32(fl); 4161 se->Address = htole32((uint32_t) paddr); 4162 mpt_lprt(mpt, MPT_PRT_DEBUG, 4163 "add ELS index %d ioindex %d for %p:%u\n", 4164 req->index, ioindex, req, req->serno); 4165 KASSERT(((req->state & REQ_STATE_LOCKED) != 0), 4166 ("mpt_fc_post_els: request not locked")); 4167 mpt_send_cmd(mpt, req); 4168 } 4169 4170 static void 4171 mpt_post_target_command(struct mpt_softc *mpt, request_t *req, int ioindex) 4172 { 4173 PTR_MSG_TARGET_CMD_BUFFER_POST_REQUEST fc; 4174 PTR_CMD_BUFFER_DESCRIPTOR cb; 4175 bus_addr_t paddr; 4176 4177 paddr = req->req_pbuf; 4178 paddr += MPT_RQSL(mpt); 4179 memset(req->req_vbuf, 0, MPT_REQUEST_AREA); 4180 MPT_TGT_STATE(mpt, req)->state = TGT_STATE_LOADING; 4181 4182 fc = req->req_vbuf; 4183 fc->BufferCount = 1; 4184 fc->Function = MPI_FUNCTION_TARGET_CMD_BUFFER_POST; 4185 fc->MsgContext = htole32(req->index | mpt->scsi_tgt_handler_id); 4186 4187 cb = &fc->Buffer[0]; 4188 cb->IoIndex = htole16(ioindex); 4189 cb->u.PhysicalAddress32 = htole32((U32) paddr); 4190 4191 mpt_check_doorbell(mpt); 4192 mpt_send_cmd(mpt, req); 4193 } 4194 4195 static int 4196 mpt_add_els_buffers(struct mpt_softc *mpt) 4197 { 4198 int i; 4199 4200 if (mpt->is_fc == 0) { 4201 return (TRUE); 4202 } 4203 4204 if (mpt->els_cmds_allocated) { 4205 return (TRUE); 4206 } 4207 4208 mpt->els_cmd_ptrs = kmalloc(MPT_MAX_ELS * sizeof (request_t *), 4209 M_DEVBUF, M_NOWAIT | M_ZERO); 4210 4211 if (mpt->els_cmd_ptrs == NULL) { 4212 return (FALSE); 4213 } 4214 4215 /* 4216 * Feed the chip some ELS buffer resources 4217 */ 4218 for (i = 0; i < MPT_MAX_ELS; i++) { 4219 request_t *req = mpt_get_request(mpt, FALSE); 4220 if (req == NULL) { 4221 break; 4222 } 4223 req->state |= REQ_STATE_LOCKED; 4224 mpt->els_cmd_ptrs[i] = req; 4225 mpt_fc_post_els(mpt, req, i); 4226 } 4227 4228 if (i == 0) { 4229 mpt_prt(mpt, "unable to add ELS buffer resources\n"); 4230 kfree(mpt->els_cmd_ptrs, M_DEVBUF); 4231 mpt->els_cmd_ptrs = NULL; 4232 return (FALSE); 4233 } 4234 if (i != MPT_MAX_ELS) { 4235 mpt_lprt(mpt, MPT_PRT_INFO, 4236 "only added %d of %d ELS buffers\n", i, MPT_MAX_ELS); 4237 } 4238 mpt->els_cmds_allocated = i; 4239 return(TRUE); 4240 } 4241 4242 static int 4243 mpt_add_target_commands(struct mpt_softc *mpt) 4244 { 4245 int i, max; 4246 4247 if (mpt->tgt_cmd_ptrs) { 4248 return (TRUE); 4249 } 4250 4251 max = MPT_MAX_REQUESTS(mpt) >> 1; 4252 if (max > mpt->mpt_max_tgtcmds) { 4253 max = mpt->mpt_max_tgtcmds; 4254 } 4255 mpt->tgt_cmd_ptrs = 4256 kmalloc(max * sizeof (request_t *), M_DEVBUF, M_NOWAIT | M_ZERO); 4257 if (mpt->tgt_cmd_ptrs == NULL) { 4258 mpt_prt(mpt, 4259 "mpt_add_target_commands: could not allocate cmd ptrs\n"); 4260 return (FALSE); 4261 } 4262 4263 for (i = 0; i < max; i++) { 4264 request_t *req; 4265 4266 req = mpt_get_request(mpt, FALSE); 4267 if (req == NULL) { 4268 break; 4269 } 4270 req->state |= REQ_STATE_LOCKED; 4271 mpt->tgt_cmd_ptrs[i] = req; 4272 mpt_post_target_command(mpt, req, i); 4273 } 4274 4275 4276 if (i == 0) { 4277 mpt_lprt(mpt, MPT_PRT_ERROR, "could not add any target bufs\n"); 4278 kfree(mpt->tgt_cmd_ptrs, M_DEVBUF); 4279 mpt->tgt_cmd_ptrs = NULL; 4280 return (FALSE); 4281 } 4282 4283 mpt->tgt_cmds_allocated = i; 4284 4285 if (i < max) { 4286 mpt_lprt(mpt, MPT_PRT_INFO, 4287 "added %d of %d target bufs\n", i, max); 4288 } 4289 return (i); 4290 } 4291 4292 static int 4293 mpt_enable_lun(struct mpt_softc *mpt, target_id_t tgt, lun_id_t lun) 4294 { 4295 4296 if (tgt == CAM_TARGET_WILDCARD && lun == CAM_LUN_WILDCARD) { 4297 mpt->twildcard = 1; 4298 } else if (lun >= MPT_MAX_LUNS) { 4299 return (EINVAL); 4300 } else if (tgt != CAM_TARGET_WILDCARD && tgt != 0) { 4301 return (EINVAL); 4302 } 4303 if (mpt->tenabled == 0) { 4304 if (mpt->is_fc) { 4305 (void) mpt_fc_reset_link(mpt, 0); 4306 } 4307 mpt->tenabled = 1; 4308 } 4309 if (lun == CAM_LUN_WILDCARD) { 4310 mpt->trt_wildcard.enabled = 1; 4311 } else { 4312 mpt->trt[lun].enabled = 1; 4313 } 4314 return (0); 4315 } 4316 4317 static int 4318 mpt_disable_lun(struct mpt_softc *mpt, target_id_t tgt, lun_id_t lun) 4319 { 4320 int i; 4321 4322 if (tgt == CAM_TARGET_WILDCARD && lun == CAM_LUN_WILDCARD) { 4323 mpt->twildcard = 0; 4324 } else if (lun >= MPT_MAX_LUNS) { 4325 return (EINVAL); 4326 } else if (tgt != CAM_TARGET_WILDCARD && tgt != 0) { 4327 return (EINVAL); 4328 } 4329 if (lun == CAM_LUN_WILDCARD) { 4330 mpt->trt_wildcard.enabled = 0; 4331 } else { 4332 mpt->trt[lun].enabled = 0; 4333 } 4334 for (i = 0; i < MPT_MAX_LUNS; i++) { 4335 if (mpt->trt[lun].enabled) { 4336 break; 4337 } 4338 } 4339 if (i == MPT_MAX_LUNS && mpt->twildcard == 0) { 4340 if (mpt->is_fc) { 4341 (void) mpt_fc_reset_link(mpt, 0); 4342 } 4343 mpt->tenabled = 0; 4344 } 4345 return (0); 4346 } 4347 4348 /* 4349 * Called with MPT lock held 4350 */ 4351 static void 4352 mpt_target_start_io(struct mpt_softc *mpt, union ccb *ccb) 4353 { 4354 struct ccb_scsiio *csio = &ccb->csio; 4355 request_t *cmd_req = MPT_TAG_2_REQ(mpt, csio->tag_id); 4356 mpt_tgt_state_t *tgt = MPT_TGT_STATE(mpt, cmd_req); 4357 4358 switch (tgt->state) { 4359 case TGT_STATE_IN_CAM: 4360 break; 4361 case TGT_STATE_MOVING_DATA: 4362 mpt_set_ccb_status(ccb, CAM_REQUEUE_REQ); 4363 xpt_freeze_simq(mpt->sim, 1); 4364 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 4365 tgt->ccb->ccb_h.status |= CAM_RELEASE_SIMQ; 4366 xpt_done(ccb); 4367 return; 4368 default: 4369 mpt_prt(mpt, "ccb %p flags 0x%x tag 0x%08x had bad request " 4370 "starting I/O\n", ccb, csio->ccb_h.flags, csio->tag_id); 4371 mpt_tgt_dump_req_state(mpt, cmd_req); 4372 mpt_set_ccb_status(ccb, CAM_REQ_CMP_ERR); 4373 xpt_done(ccb); 4374 return; 4375 } 4376 4377 if (csio->dxfer_len) { 4378 bus_dmamap_callback_t *cb; 4379 PTR_MSG_TARGET_ASSIST_REQUEST ta; 4380 request_t *req; 4381 4382 KASSERT((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE, 4383 ("dxfer_len %u but direction is NONE", csio->dxfer_len)); 4384 4385 if ((req = mpt_get_request(mpt, FALSE)) == NULL) { 4386 if (mpt->outofbeer == 0) { 4387 mpt->outofbeer = 1; 4388 xpt_freeze_simq(mpt->sim, 1); 4389 mpt_lprt(mpt, MPT_PRT_DEBUG, "FREEZEQ\n"); 4390 } 4391 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 4392 mpt_set_ccb_status(ccb, CAM_REQUEUE_REQ); 4393 xpt_done(ccb); 4394 return; 4395 } 4396 ccb->ccb_h.status = CAM_SIM_QUEUED | CAM_REQ_INPROG; 4397 if (sizeof (bus_addr_t) > 4) { 4398 cb = mpt_execute_req_a64; 4399 } else { 4400 cb = mpt_execute_req; 4401 } 4402 4403 req->ccb = ccb; 4404 ccb->ccb_h.ccb_req_ptr = req; 4405 4406 /* 4407 * Record the currently active ccb and the 4408 * request for it in our target state area. 4409 */ 4410 tgt->ccb = ccb; 4411 tgt->req = req; 4412 4413 memset(req->req_vbuf, 0, MPT_RQSL(mpt)); 4414 ta = req->req_vbuf; 4415 4416 if (mpt->is_sas) { 4417 PTR_MPI_TARGET_SSP_CMD_BUFFER ssp = 4418 cmd_req->req_vbuf; 4419 ta->QueueTag = ssp->InitiatorTag; 4420 } else if (mpt->is_spi) { 4421 PTR_MPI_TARGET_SCSI_SPI_CMD_BUFFER sp = 4422 cmd_req->req_vbuf; 4423 ta->QueueTag = sp->Tag; 4424 } 4425 ta->Function = MPI_FUNCTION_TARGET_ASSIST; 4426 ta->MsgContext = htole32(req->index | mpt->scsi_tgt_handler_id); 4427 ta->ReplyWord = htole32(tgt->reply_desc); 4428 if (csio->ccb_h.target_lun > MPT_MAX_LUNS) { 4429 ta->LUN[0] = 4430 0x40 | ((csio->ccb_h.target_lun >> 8) & 0x3f); 4431 ta->LUN[1] = csio->ccb_h.target_lun & 0xff; 4432 } else { 4433 ta->LUN[1] = csio->ccb_h.target_lun; 4434 } 4435 4436 ta->RelativeOffset = tgt->bytes_xfered; 4437 ta->DataLength = ccb->csio.dxfer_len; 4438 if (ta->DataLength > tgt->resid) { 4439 ta->DataLength = tgt->resid; 4440 } 4441 4442 /* 4443 * XXX Should be done after data transfer completes? 4444 */ 4445 tgt->resid -= csio->dxfer_len; 4446 tgt->bytes_xfered += csio->dxfer_len; 4447 4448 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 4449 ta->TargetAssistFlags |= 4450 TARGET_ASSIST_FLAGS_DATA_DIRECTION; 4451 } 4452 4453 #ifdef WE_TRUST_AUTO_GOOD_STATUS 4454 if ((ccb->ccb_h.flags & CAM_SEND_STATUS) && 4455 csio->scsi_status == SCSI_STATUS_OK && tgt->resid == 0) { 4456 ta->TargetAssistFlags |= 4457 TARGET_ASSIST_FLAGS_AUTO_STATUS; 4458 } 4459 #endif 4460 tgt->state = TGT_STATE_SETTING_UP_FOR_DATA; 4461 4462 mpt_lprt(mpt, MPT_PRT_DEBUG, 4463 "DATA_CCB %p tag %x %u bytes %u resid flg %x req %p:%u " 4464 "nxtstate=%d\n", csio, csio->tag_id, csio->dxfer_len, 4465 tgt->resid, ccb->ccb_h.flags, req, req->serno, tgt->state); 4466 4467 if ((ccb->ccb_h.flags & CAM_SCATTER_VALID) == 0) { 4468 if ((ccb->ccb_h.flags & CAM_DATA_PHYS) == 0) { 4469 int error; 4470 crit_enter(); 4471 error = bus_dmamap_load(mpt->buffer_dmat, 4472 req->dmap, csio->data_ptr, csio->dxfer_len, 4473 cb, req, 0); 4474 crit_exit(); 4475 if (error == EINPROGRESS) { 4476 xpt_freeze_simq(mpt->sim, 1); 4477 ccb->ccb_h.status |= CAM_RELEASE_SIMQ; 4478 } 4479 } else { 4480 /* 4481 * We have been given a pointer to single 4482 * physical buffer. 4483 */ 4484 struct bus_dma_segment seg; 4485 seg.ds_addr = (bus_addr_t) 4486 (vm_offset_t)csio->data_ptr; 4487 seg.ds_len = csio->dxfer_len; 4488 (*cb)(req, &seg, 1, 0); 4489 } 4490 } else { 4491 /* 4492 * We have been given a list of addresses. 4493 * This case could be easily supported but they are not 4494 * currently generated by the CAM subsystem so there 4495 * is no point in wasting the time right now. 4496 */ 4497 struct bus_dma_segment *sgs; 4498 if ((ccb->ccb_h.flags & CAM_SG_LIST_PHYS) == 0) { 4499 (*cb)(req, NULL, 0, EFAULT); 4500 } else { 4501 /* Just use the segments provided */ 4502 sgs = (struct bus_dma_segment *)csio->data_ptr; 4503 (*cb)(req, sgs, csio->sglist_cnt, 0); 4504 } 4505 } 4506 } else { 4507 uint8_t *sp = NULL, sense[MPT_SENSE_SIZE]; 4508 4509 /* 4510 * XXX: I don't know why this seems to happen, but 4511 * XXX: completing the CCB seems to make things happy. 4512 * XXX: This seems to happen if the initiator requests 4513 * XXX: enough data that we have to do multiple CTIOs. 4514 */ 4515 if ((ccb->ccb_h.flags & CAM_SEND_STATUS) == 0) { 4516 mpt_lprt(mpt, MPT_PRT_DEBUG, 4517 "Meaningless STATUS CCB (%p): flags %x status %x " 4518 "resid %d bytes_xfered %u\n", ccb, ccb->ccb_h.flags, 4519 ccb->ccb_h.status, tgt->resid, tgt->bytes_xfered); 4520 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 4521 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 4522 xpt_done(ccb); 4523 return; 4524 } 4525 if (ccb->ccb_h.flags & CAM_SEND_SENSE) { 4526 sp = sense; 4527 memcpy(sp, &csio->sense_data, 4528 min(csio->sense_len, MPT_SENSE_SIZE)); 4529 } 4530 mpt_scsi_tgt_status(mpt, ccb, cmd_req, csio->scsi_status, sp); 4531 } 4532 } 4533 4534 static void 4535 mpt_scsi_tgt_local(struct mpt_softc *mpt, request_t *cmd_req, 4536 uint32_t lun, int send, uint8_t *data, size_t length) 4537 { 4538 mpt_tgt_state_t *tgt; 4539 PTR_MSG_TARGET_ASSIST_REQUEST ta; 4540 SGE_SIMPLE32 *se; 4541 uint32_t flags; 4542 uint8_t *dptr; 4543 bus_addr_t pptr; 4544 request_t *req; 4545 4546 /* 4547 * We enter with resid set to the data load for the command. 4548 */ 4549 tgt = MPT_TGT_STATE(mpt, cmd_req); 4550 if (length == 0 || tgt->resid == 0) { 4551 tgt->resid = 0; 4552 mpt_scsi_tgt_status(mpt, NULL, cmd_req, 0, NULL); 4553 return; 4554 } 4555 4556 if ((req = mpt_get_request(mpt, FALSE)) == NULL) { 4557 mpt_prt(mpt, "out of resources- dropping local response\n"); 4558 return; 4559 } 4560 tgt->is_local = 1; 4561 4562 4563 memset(req->req_vbuf, 0, MPT_RQSL(mpt)); 4564 ta = req->req_vbuf; 4565 4566 if (mpt->is_sas) { 4567 PTR_MPI_TARGET_SSP_CMD_BUFFER ssp = cmd_req->req_vbuf; 4568 ta->QueueTag = ssp->InitiatorTag; 4569 } else if (mpt->is_spi) { 4570 PTR_MPI_TARGET_SCSI_SPI_CMD_BUFFER sp = cmd_req->req_vbuf; 4571 ta->QueueTag = sp->Tag; 4572 } 4573 ta->Function = MPI_FUNCTION_TARGET_ASSIST; 4574 ta->MsgContext = htole32(req->index | mpt->scsi_tgt_handler_id); 4575 ta->ReplyWord = htole32(tgt->reply_desc); 4576 if (lun > MPT_MAX_LUNS) { 4577 ta->LUN[0] = 0x40 | ((lun >> 8) & 0x3f); 4578 ta->LUN[1] = lun & 0xff; 4579 } else { 4580 ta->LUN[1] = lun; 4581 } 4582 ta->RelativeOffset = 0; 4583 ta->DataLength = length; 4584 4585 dptr = req->req_vbuf; 4586 dptr += MPT_RQSL(mpt); 4587 pptr = req->req_pbuf; 4588 pptr += MPT_RQSL(mpt); 4589 memcpy(dptr, data, min(length, MPT_RQSL(mpt))); 4590 4591 se = (SGE_SIMPLE32 *) &ta->SGL[0]; 4592 memset(se, 0,sizeof (*se)); 4593 4594 flags = MPI_SGE_FLAGS_SIMPLE_ELEMENT; 4595 if (send) { 4596 ta->TargetAssistFlags |= TARGET_ASSIST_FLAGS_DATA_DIRECTION; 4597 flags |= MPI_SGE_FLAGS_HOST_TO_IOC; 4598 } 4599 se->Address = pptr; 4600 MPI_pSGE_SET_LENGTH(se, length); 4601 flags |= MPI_SGE_FLAGS_LAST_ELEMENT; 4602 flags |= MPI_SGE_FLAGS_END_OF_LIST | MPI_SGE_FLAGS_END_OF_BUFFER; 4603 MPI_pSGE_SET_FLAGS(se, flags); 4604 4605 tgt->ccb = NULL; 4606 tgt->req = req; 4607 tgt->resid -= length; 4608 tgt->bytes_xfered = length; 4609 #ifdef WE_TRUST_AUTO_GOOD_STATUS 4610 tgt->state = TGT_STATE_MOVING_DATA_AND_STATUS; 4611 #else 4612 tgt->state = TGT_STATE_MOVING_DATA; 4613 #endif 4614 mpt_send_cmd(mpt, req); 4615 } 4616 4617 /* 4618 * Abort queued up CCBs 4619 */ 4620 static cam_status 4621 mpt_abort_target_ccb(struct mpt_softc *mpt, union ccb *ccb) 4622 { 4623 struct mpt_hdr_stailq *lp; 4624 struct ccb_hdr *srch; 4625 int found = 0; 4626 union ccb *accb = ccb->cab.abort_ccb; 4627 tgt_resource_t *trtp; 4628 4629 mpt_lprt(mpt, MPT_PRT_DEBUG, "aborting ccb %p\n", accb); 4630 4631 if (ccb->ccb_h.target_lun == CAM_LUN_WILDCARD) { 4632 trtp = &mpt->trt_wildcard; 4633 } else { 4634 trtp = &mpt->trt[ccb->ccb_h.target_lun]; 4635 } 4636 4637 if (accb->ccb_h.func_code == XPT_ACCEPT_TARGET_IO) { 4638 lp = &trtp->atios; 4639 } else if (accb->ccb_h.func_code == XPT_IMMED_NOTIFY) { 4640 lp = &trtp->inots; 4641 } else { 4642 return (CAM_REQ_INVALID); 4643 } 4644 4645 STAILQ_FOREACH(srch, lp, sim_links.stqe) { 4646 if (srch == &accb->ccb_h) { 4647 found = 1; 4648 STAILQ_REMOVE(lp, srch, ccb_hdr, sim_links.stqe); 4649 break; 4650 } 4651 } 4652 if (found) { 4653 accb->ccb_h.status = CAM_REQ_ABORTED; 4654 xpt_done(accb); 4655 return (CAM_REQ_CMP); 4656 } 4657 mpt_prt(mpt, "mpt_abort_tgt_ccb: CCB %p not found\n", ccb); 4658 return (CAM_PATH_INVALID); 4659 } 4660 4661 /* 4662 * Ask the MPT to abort the current target command 4663 */ 4664 static int 4665 mpt_abort_target_cmd(struct mpt_softc *mpt, request_t *cmd_req) 4666 { 4667 int error; 4668 request_t *req; 4669 PTR_MSG_TARGET_MODE_ABORT abtp; 4670 4671 req = mpt_get_request(mpt, FALSE); 4672 if (req == NULL) { 4673 return (-1); 4674 } 4675 abtp = req->req_vbuf; 4676 memset(abtp, 0, sizeof (*abtp)); 4677 4678 abtp->MsgContext = htole32(req->index | mpt->scsi_tgt_handler_id); 4679 abtp->AbortType = TARGET_MODE_ABORT_TYPE_EXACT_IO; 4680 abtp->Function = MPI_FUNCTION_TARGET_MODE_ABORT; 4681 abtp->ReplyWord = htole32(MPT_TGT_STATE(mpt, cmd_req)->reply_desc); 4682 error = 0; 4683 if (mpt->is_fc || mpt->is_sas) { 4684 mpt_send_cmd(mpt, req); 4685 } else { 4686 error = mpt_send_handshake_cmd(mpt, sizeof(*req), req); 4687 } 4688 return (error); 4689 } 4690 4691 /* 4692 * WE_TRUST_AUTO_GOOD_STATUS- I've found that setting 4693 * TARGET_STATUS_SEND_FLAGS_AUTO_GOOD_STATUS leads the 4694 * FC929 to set bogus FC_RSP fields (nonzero residuals 4695 * but w/o RESID fields set). This causes QLogic initiators 4696 * to think maybe that a frame was lost. 4697 * 4698 * WE_CAN_USE_AUTO_REPOST- we can't use AUTO_REPOST because 4699 * we use allocated requests to do TARGET_ASSIST and we 4700 * need to know when to release them. 4701 */ 4702 4703 static void 4704 mpt_scsi_tgt_status(struct mpt_softc *mpt, union ccb *ccb, request_t *cmd_req, 4705 uint8_t status, uint8_t const *sense_data) 4706 { 4707 uint8_t *cmd_vbuf; 4708 mpt_tgt_state_t *tgt; 4709 PTR_MSG_TARGET_STATUS_SEND_REQUEST tp; 4710 request_t *req; 4711 bus_addr_t paddr; 4712 int resplen = 0; 4713 uint32_t fl; 4714 4715 cmd_vbuf = cmd_req->req_vbuf; 4716 cmd_vbuf += MPT_RQSL(mpt); 4717 tgt = MPT_TGT_STATE(mpt, cmd_req); 4718 4719 if ((req = mpt_get_request(mpt, FALSE)) == NULL) { 4720 if (mpt->outofbeer == 0) { 4721 mpt->outofbeer = 1; 4722 xpt_freeze_simq(mpt->sim, 1); 4723 mpt_lprt(mpt, MPT_PRT_DEBUG, "FREEZEQ\n"); 4724 } 4725 if (ccb) { 4726 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 4727 mpt_set_ccb_status(ccb, CAM_REQUEUE_REQ); 4728 xpt_done(ccb); 4729 } else { 4730 mpt_prt(mpt, 4731 "could not allocate status request- dropping\n"); 4732 } 4733 return; 4734 } 4735 req->ccb = ccb; 4736 if (ccb) { 4737 ccb->ccb_h.ccb_mpt_ptr = mpt; 4738 ccb->ccb_h.ccb_req_ptr = req; 4739 } 4740 4741 /* 4742 * Record the currently active ccb, if any, and the 4743 * request for it in our target state area. 4744 */ 4745 tgt->ccb = ccb; 4746 tgt->req = req; 4747 tgt->state = TGT_STATE_SENDING_STATUS; 4748 4749 tp = req->req_vbuf; 4750 paddr = req->req_pbuf; 4751 paddr += MPT_RQSL(mpt); 4752 4753 memset(tp, 0, sizeof (*tp)); 4754 tp->Function = MPI_FUNCTION_TARGET_STATUS_SEND; 4755 if (mpt->is_fc) { 4756 PTR_MPI_TARGET_FCP_CMD_BUFFER fc = 4757 (PTR_MPI_TARGET_FCP_CMD_BUFFER) cmd_vbuf; 4758 uint8_t *sts_vbuf; 4759 uint32_t *rsp; 4760 4761 sts_vbuf = req->req_vbuf; 4762 sts_vbuf += MPT_RQSL(mpt); 4763 rsp = (uint32_t *) sts_vbuf; 4764 memcpy(tp->LUN, fc->FcpLun, sizeof (tp->LUN)); 4765 4766 /* 4767 * The MPI_TARGET_FCP_RSP_BUFFER define is unfortunate. 4768 * It has to be big-endian in memory and is organized 4769 * in 32 bit words, which are much easier to deal with 4770 * as words which are swizzled as needed. 4771 * 4772 * All we're filling here is the FC_RSP payload. 4773 * We may just have the chip synthesize it if 4774 * we have no residual and an OK status. 4775 * 4776 */ 4777 memset(rsp, 0, sizeof (MPI_TARGET_FCP_RSP_BUFFER)); 4778 4779 rsp[2] = status; 4780 if (tgt->resid) { 4781 rsp[2] |= 0x800; /* XXXX NEED MNEMONIC!!!! */ 4782 rsp[3] = htobe32(tgt->resid); 4783 #ifdef WE_TRUST_AUTO_GOOD_STATUS 4784 resplen = sizeof (MPI_TARGET_FCP_RSP_BUFFER); 4785 #endif 4786 } 4787 if (status == SCSI_STATUS_CHECK_COND) { 4788 int i; 4789 4790 rsp[2] |= 0x200; /* XXXX NEED MNEMONIC!!!! */ 4791 rsp[4] = htobe32(MPT_SENSE_SIZE); 4792 if (sense_data) { 4793 memcpy(&rsp[8], sense_data, MPT_SENSE_SIZE); 4794 } else { 4795 mpt_prt(mpt, "mpt_scsi_tgt_status: CHECK CONDI" 4796 "TION but no sense data?\n"); 4797 memset(&rsp[8], 0, MPT_SENSE_SIZE); 4798 } 4799 for (i = 8; i < (8 + (MPT_SENSE_SIZE >> 2)); i++) { 4800 rsp[i] = htobe32(rsp[i]); 4801 } 4802 #ifdef WE_TRUST_AUTO_GOOD_STATUS 4803 resplen = sizeof (MPI_TARGET_FCP_RSP_BUFFER); 4804 #endif 4805 } 4806 #ifndef WE_TRUST_AUTO_GOOD_STATUS 4807 resplen = sizeof (MPI_TARGET_FCP_RSP_BUFFER); 4808 #endif 4809 rsp[2] = htobe32(rsp[2]); 4810 } else if (mpt->is_sas) { 4811 PTR_MPI_TARGET_SSP_CMD_BUFFER ssp = 4812 (PTR_MPI_TARGET_SSP_CMD_BUFFER) cmd_vbuf; 4813 memcpy(tp->LUN, ssp->LogicalUnitNumber, sizeof (tp->LUN)); 4814 } else { 4815 PTR_MPI_TARGET_SCSI_SPI_CMD_BUFFER sp = 4816 (PTR_MPI_TARGET_SCSI_SPI_CMD_BUFFER) cmd_vbuf; 4817 tp->StatusCode = status; 4818 tp->QueueTag = htole16(sp->Tag); 4819 memcpy(tp->LUN, sp->LogicalUnitNumber, sizeof (tp->LUN)); 4820 } 4821 4822 tp->ReplyWord = htole32(tgt->reply_desc); 4823 tp->MsgContext = htole32(req->index | mpt->scsi_tgt_handler_id); 4824 4825 #ifdef WE_CAN_USE_AUTO_REPOST 4826 tp->MsgFlags = TARGET_STATUS_SEND_FLAGS_REPOST_CMD_BUFFER; 4827 #endif 4828 if (status == SCSI_STATUS_OK && resplen == 0) { 4829 tp->MsgFlags |= TARGET_STATUS_SEND_FLAGS_AUTO_GOOD_STATUS; 4830 } else { 4831 tp->StatusDataSGE.u.Address32 = htole32((uint32_t) paddr); 4832 fl = 4833 MPI_SGE_FLAGS_HOST_TO_IOC | 4834 MPI_SGE_FLAGS_SIMPLE_ELEMENT | 4835 MPI_SGE_FLAGS_LAST_ELEMENT | 4836 MPI_SGE_FLAGS_END_OF_LIST | 4837 MPI_SGE_FLAGS_END_OF_BUFFER; 4838 fl <<= MPI_SGE_FLAGS_SHIFT; 4839 fl |= resplen; 4840 tp->StatusDataSGE.FlagsLength = htole32(fl); 4841 } 4842 4843 mpt_lprt(mpt, MPT_PRT_DEBUG, 4844 "STATUS_CCB %p (wit%s sense) tag %x req %p:%u resid %u\n", 4845 ccb, sense_data?"h" : "hout", ccb? ccb->csio.tag_id : -1, req, 4846 req->serno, tgt->resid); 4847 if (ccb) { 4848 ccb->ccb_h.status = CAM_SIM_QUEUED | CAM_REQ_INPROG; 4849 mpt_req_timeout(req, 60 * hz, mpt_timeout, ccb); 4850 } 4851 mpt_send_cmd(mpt, req); 4852 } 4853 4854 static void 4855 mpt_scsi_tgt_tsk_mgmt(struct mpt_softc *mpt, request_t *req, mpt_task_mgmt_t fc, 4856 tgt_resource_t *trtp, int init_id) 4857 { 4858 struct ccb_immed_notify *inot; 4859 mpt_tgt_state_t *tgt; 4860 4861 tgt = MPT_TGT_STATE(mpt, req); 4862 inot = (struct ccb_immed_notify *) STAILQ_FIRST(&trtp->inots); 4863 if (inot == NULL) { 4864 mpt_lprt(mpt, MPT_PRT_WARN, "no INOTSs- sending back BSY\n"); 4865 mpt_scsi_tgt_status(mpt, NULL, req, SCSI_STATUS_BUSY, NULL); 4866 return; 4867 } 4868 STAILQ_REMOVE_HEAD(&trtp->inots, sim_links.stqe); 4869 mpt_lprt(mpt, MPT_PRT_DEBUG1, 4870 "Get FREE INOT %p lun %d\n", inot, inot->ccb_h.target_lun); 4871 4872 memset(&inot->sense_data, 0, sizeof (inot->sense_data)); 4873 inot->sense_len = 0; 4874 memset(inot->message_args, 0, sizeof (inot->message_args)); 4875 inot->initiator_id = init_id; /* XXX */ 4876 4877 /* 4878 * This is a somewhat grotesque attempt to map from task management 4879 * to old style SCSI messages. God help us all. 4880 */ 4881 switch (fc) { 4882 case MPT_ABORT_TASK_SET: 4883 inot->message_args[0] = MSG_ABORT_TAG; 4884 break; 4885 case MPT_CLEAR_TASK_SET: 4886 inot->message_args[0] = MSG_CLEAR_TASK_SET; 4887 break; 4888 case MPT_TARGET_RESET: 4889 inot->message_args[0] = MSG_TARGET_RESET; 4890 break; 4891 case MPT_CLEAR_ACA: 4892 inot->message_args[0] = MSG_CLEAR_ACA; 4893 break; 4894 case MPT_TERMINATE_TASK: 4895 inot->message_args[0] = MSG_ABORT_TAG; 4896 break; 4897 default: 4898 inot->message_args[0] = MSG_NOOP; 4899 break; 4900 } 4901 tgt->ccb = (union ccb *) inot; 4902 inot->ccb_h.status = CAM_MESSAGE_RECV|CAM_DEV_QFRZN; 4903 xpt_done((union ccb *)inot); 4904 } 4905 4906 static void 4907 mpt_scsi_tgt_atio(struct mpt_softc *mpt, request_t *req, uint32_t reply_desc) 4908 { 4909 static uint8_t null_iqd[SHORT_INQUIRY_LENGTH] = { 4910 0x7f, 0x00, 0x02, 0x02, 0x20, 0x00, 0x00, 0x32, 4911 'F', 'R', 'E', 'E', 'B', 'S', 'D', ' ', 4912 'L', 'S', 'I', '-', 'L', 'O', 'G', 'I', 4913 'C', ' ', 'N', 'U', 'L', 'D', 'E', 'V', 4914 '0', '0', '0', '1' 4915 }; 4916 struct ccb_accept_tio *atiop; 4917 lun_id_t lun; 4918 int tag_action = 0; 4919 mpt_tgt_state_t *tgt; 4920 tgt_resource_t *trtp = NULL; 4921 U8 *lunptr; 4922 U8 *vbuf; 4923 U16 itag; 4924 U16 ioindex; 4925 mpt_task_mgmt_t fct = MPT_NIL_TMT_VALUE; 4926 uint8_t *cdbp; 4927 4928 /* 4929 * Stash info for the current command where we can get at it later. 4930 */ 4931 vbuf = req->req_vbuf; 4932 vbuf += MPT_RQSL(mpt); 4933 4934 /* 4935 * Get our state pointer set up. 4936 */ 4937 tgt = MPT_TGT_STATE(mpt, req); 4938 if (tgt->state != TGT_STATE_LOADED) { 4939 mpt_tgt_dump_req_state(mpt, req); 4940 panic("bad target state in mpt_scsi_tgt_atio"); 4941 } 4942 memset(tgt, 0, sizeof (mpt_tgt_state_t)); 4943 tgt->state = TGT_STATE_IN_CAM; 4944 tgt->reply_desc = reply_desc; 4945 ioindex = GET_IO_INDEX(reply_desc); 4946 if (mpt->verbose >= MPT_PRT_DEBUG) { 4947 mpt_dump_data(mpt, "mpt_scsi_tgt_atio response", vbuf, 4948 max(sizeof (MPI_TARGET_FCP_CMD_BUFFER), 4949 max(sizeof (MPI_TARGET_SSP_CMD_BUFFER), 4950 sizeof (MPI_TARGET_SCSI_SPI_CMD_BUFFER)))); 4951 } 4952 if (mpt->is_fc) { 4953 PTR_MPI_TARGET_FCP_CMD_BUFFER fc; 4954 fc = (PTR_MPI_TARGET_FCP_CMD_BUFFER) vbuf; 4955 if (fc->FcpCntl[2]) { 4956 /* 4957 * Task Management Request 4958 */ 4959 switch (fc->FcpCntl[2]) { 4960 case 0x2: 4961 fct = MPT_ABORT_TASK_SET; 4962 break; 4963 case 0x4: 4964 fct = MPT_CLEAR_TASK_SET; 4965 break; 4966 case 0x20: 4967 fct = MPT_TARGET_RESET; 4968 break; 4969 case 0x40: 4970 fct = MPT_CLEAR_ACA; 4971 break; 4972 case 0x80: 4973 fct = MPT_TERMINATE_TASK; 4974 break; 4975 default: 4976 mpt_prt(mpt, "CORRUPTED TASK MGMT BITS: 0x%x\n", 4977 fc->FcpCntl[2]); 4978 mpt_scsi_tgt_status(mpt, 0, req, 4979 SCSI_STATUS_OK, 0); 4980 return; 4981 } 4982 } else { 4983 switch (fc->FcpCntl[1]) { 4984 case 0: 4985 tag_action = MSG_SIMPLE_Q_TAG; 4986 break; 4987 case 1: 4988 tag_action = MSG_HEAD_OF_Q_TAG; 4989 break; 4990 case 2: 4991 tag_action = MSG_ORDERED_Q_TAG; 4992 break; 4993 default: 4994 /* 4995 * Bah. Ignore Untagged Queing and ACA 4996 */ 4997 tag_action = MSG_SIMPLE_Q_TAG; 4998 break; 4999 } 5000 } 5001 tgt->resid = be32toh(fc->FcpDl); 5002 cdbp = fc->FcpCdb; 5003 lunptr = fc->FcpLun; 5004 itag = be16toh(fc->OptionalOxid); 5005 } else if (mpt->is_sas) { 5006 PTR_MPI_TARGET_SSP_CMD_BUFFER ssp; 5007 ssp = (PTR_MPI_TARGET_SSP_CMD_BUFFER) vbuf; 5008 cdbp = ssp->CDB; 5009 lunptr = ssp->LogicalUnitNumber; 5010 itag = ssp->InitiatorTag; 5011 } else { 5012 PTR_MPI_TARGET_SCSI_SPI_CMD_BUFFER sp; 5013 sp = (PTR_MPI_TARGET_SCSI_SPI_CMD_BUFFER) vbuf; 5014 cdbp = sp->CDB; 5015 lunptr = sp->LogicalUnitNumber; 5016 itag = sp->Tag; 5017 } 5018 5019 /* 5020 * Generate a simple lun 5021 */ 5022 switch (lunptr[0] & 0xc0) { 5023 case 0x40: 5024 lun = ((lunptr[0] & 0x3f) << 8) | lunptr[1]; 5025 break; 5026 case 0: 5027 lun = lunptr[1]; 5028 break; 5029 default: 5030 mpt_lprt(mpt, MPT_PRT_ERROR, "cannot handle this type lun\n"); 5031 lun = 0xffff; 5032 break; 5033 } 5034 5035 /* 5036 * Deal with non-enabled or bad luns here. 5037 */ 5038 if (lun >= MPT_MAX_LUNS || mpt->tenabled == 0 || 5039 mpt->trt[lun].enabled == 0) { 5040 if (mpt->twildcard) { 5041 trtp = &mpt->trt_wildcard; 5042 } else if (fct == MPT_NIL_TMT_VALUE) { 5043 /* 5044 * In this case, we haven't got an upstream listener 5045 * for either a specific lun or wildcard luns. We 5046 * have to make some sensible response. For regular 5047 * inquiry, just return some NOT HERE inquiry data. 5048 * For VPD inquiry, report illegal field in cdb. 5049 * For REQUEST SENSE, just return NO SENSE data. 5050 * REPORT LUNS gets illegal command. 5051 * All other commands get 'no such device'. 5052 */ 5053 uint8_t *sp, cond, buf[MPT_SENSE_SIZE]; 5054 size_t len; 5055 5056 memset(buf, 0, MPT_SENSE_SIZE); 5057 cond = SCSI_STATUS_CHECK_COND; 5058 buf[0] = 0xf0; 5059 buf[2] = 0x5; 5060 buf[7] = 0x8; 5061 sp = buf; 5062 tgt->tag_id = MPT_MAKE_TAGID(mpt, req, ioindex); 5063 5064 switch (cdbp[0]) { 5065 case INQUIRY: 5066 { 5067 if (cdbp[1] != 0) { 5068 buf[12] = 0x26; 5069 buf[13] = 0x01; 5070 break; 5071 } 5072 len = min(tgt->resid, cdbp[4]); 5073 len = min(len, sizeof (null_iqd)); 5074 mpt_lprt(mpt, MPT_PRT_DEBUG, 5075 "local inquiry %ld bytes\n", (long) len); 5076 mpt_scsi_tgt_local(mpt, req, lun, 1, 5077 null_iqd, len); 5078 return; 5079 } 5080 case REQUEST_SENSE: 5081 { 5082 buf[2] = 0x0; 5083 len = min(tgt->resid, cdbp[4]); 5084 len = min(len, sizeof (buf)); 5085 mpt_lprt(mpt, MPT_PRT_DEBUG, 5086 "local reqsense %ld bytes\n", (long) len); 5087 mpt_scsi_tgt_local(mpt, req, lun, 1, 5088 buf, len); 5089 return; 5090 } 5091 case REPORT_LUNS: 5092 mpt_lprt(mpt, MPT_PRT_DEBUG, "REPORT LUNS\n"); 5093 buf[12] = 0x26; 5094 return; 5095 default: 5096 mpt_lprt(mpt, MPT_PRT_DEBUG, 5097 "CMD 0x%x to unmanaged lun %u\n", 5098 cdbp[0], lun); 5099 buf[12] = 0x25; 5100 break; 5101 } 5102 mpt_scsi_tgt_status(mpt, NULL, req, cond, sp); 5103 return; 5104 } 5105 /* otherwise, leave trtp NULL */ 5106 } else { 5107 trtp = &mpt->trt[lun]; 5108 } 5109 5110 /* 5111 * Deal with any task management 5112 */ 5113 if (fct != MPT_NIL_TMT_VALUE) { 5114 if (trtp == NULL) { 5115 mpt_prt(mpt, "task mgmt function %x but no listener\n", 5116 fct); 5117 mpt_scsi_tgt_status(mpt, 0, req, 5118 SCSI_STATUS_OK, 0); 5119 } else { 5120 mpt_scsi_tgt_tsk_mgmt(mpt, req, fct, trtp, 5121 GET_INITIATOR_INDEX(reply_desc)); 5122 } 5123 return; 5124 } 5125 5126 5127 atiop = (struct ccb_accept_tio *) STAILQ_FIRST(&trtp->atios); 5128 if (atiop == NULL) { 5129 mpt_lprt(mpt, MPT_PRT_WARN, 5130 "no ATIOs for lun %u- sending back %s\n", lun, 5131 mpt->tenabled? "QUEUE FULL" : "BUSY"); 5132 mpt_scsi_tgt_status(mpt, NULL, req, 5133 mpt->tenabled? SCSI_STATUS_QUEUE_FULL : SCSI_STATUS_BUSY, 5134 NULL); 5135 return; 5136 } 5137 STAILQ_REMOVE_HEAD(&trtp->atios, sim_links.stqe); 5138 mpt_lprt(mpt, MPT_PRT_DEBUG1, 5139 "Get FREE ATIO %p lun %d\n", atiop, atiop->ccb_h.target_lun); 5140 atiop->ccb_h.ccb_mpt_ptr = mpt; 5141 atiop->ccb_h.status = CAM_CDB_RECVD; 5142 atiop->ccb_h.target_lun = lun; 5143 atiop->sense_len = 0; 5144 atiop->init_id = GET_INITIATOR_INDEX(reply_desc); 5145 atiop->cdb_len = mpt_cdblen(cdbp[0], 16); 5146 memcpy(atiop->cdb_io.cdb_bytes, cdbp, atiop->cdb_len); 5147 5148 /* 5149 * The tag we construct here allows us to find the 5150 * original request that the command came in with. 5151 * 5152 * This way we don't have to depend on anything but the 5153 * tag to find things when CCBs show back up from CAM. 5154 */ 5155 atiop->tag_id = MPT_MAKE_TAGID(mpt, req, ioindex); 5156 tgt->tag_id = atiop->tag_id; 5157 if (tag_action) { 5158 atiop->tag_action = tag_action; 5159 atiop->ccb_h.flags = CAM_TAG_ACTION_VALID; 5160 } 5161 if (mpt->verbose >= MPT_PRT_DEBUG) { 5162 int i; 5163 mpt_prt(mpt, "START_CCB %p for lun %u CDB=<", atiop, 5164 atiop->ccb_h.target_lun); 5165 for (i = 0; i < atiop->cdb_len; i++) { 5166 mpt_prtc(mpt, "%02x%c", cdbp[i] & 0xff, 5167 (i == (atiop->cdb_len - 1))? '>' : ' '); 5168 } 5169 mpt_prtc(mpt, " itag %x tag %x rdesc %x dl=%u\n", 5170 itag, atiop->tag_id, tgt->reply_desc, tgt->resid); 5171 } 5172 5173 xpt_done((union ccb *)atiop); 5174 } 5175 5176 static void 5177 mpt_tgt_dump_tgt_state(struct mpt_softc *mpt, request_t *req) 5178 { 5179 mpt_tgt_state_t *tgt = MPT_TGT_STATE(mpt, req); 5180 5181 mpt_prt(mpt, "req %p:%u tgt:rdesc 0x%x resid %u xfrd %u ccb %p treq %p " 5182 "nx %d tag 0x%08x state=%d\n", req, req->serno, tgt->reply_desc, 5183 tgt->resid, tgt->bytes_xfered, tgt->ccb, tgt->req, tgt->nxfers, 5184 tgt->tag_id, tgt->state); 5185 } 5186 5187 static void 5188 mpt_tgt_dump_req_state(struct mpt_softc *mpt, request_t *req) 5189 { 5190 5191 mpt_prt(mpt, "req %p:%u index %u (%x) state %x\n", req, req->serno, 5192 req->index, req->index, req->state); 5193 mpt_tgt_dump_tgt_state(mpt, req); 5194 } 5195 5196 static int 5197 mpt_scsi_tgt_reply_handler(struct mpt_softc *mpt, request_t *req, 5198 uint32_t reply_desc, MSG_DEFAULT_REPLY *reply_frame) 5199 { 5200 int dbg; 5201 union ccb *ccb; 5202 U16 status; 5203 5204 if (reply_frame == NULL) { 5205 /* 5206 * Figure out what the state of the command is. 5207 */ 5208 mpt_tgt_state_t *tgt = MPT_TGT_STATE(mpt, req); 5209 5210 #ifdef INVARIANTS 5211 mpt_req_spcl(mpt, req, "turbo scsi_tgt_reply", __LINE__); 5212 if (tgt->req) { 5213 mpt_req_not_spcl(mpt, tgt->req, 5214 "turbo scsi_tgt_reply associated req", __LINE__); 5215 } 5216 #endif 5217 switch(tgt->state) { 5218 case TGT_STATE_LOADED: 5219 /* 5220 * This is a new command starting. 5221 */ 5222 mpt_scsi_tgt_atio(mpt, req, reply_desc); 5223 break; 5224 case TGT_STATE_MOVING_DATA: 5225 { 5226 uint8_t *sp = NULL, sense[MPT_SENSE_SIZE]; 5227 5228 ccb = tgt->ccb; 5229 if (tgt->req == NULL) { 5230 panic("mpt: turbo target reply with null " 5231 "associated request moving data"); 5232 /* NOTREACHED */ 5233 } 5234 if (ccb == NULL) { 5235 if (tgt->is_local == 0) { 5236 panic("mpt: turbo target reply with " 5237 "null associated ccb moving data"); 5238 /* NOTREACHED */ 5239 } 5240 mpt_lprt(mpt, MPT_PRT_DEBUG, 5241 "TARGET_ASSIST local done\n"); 5242 TAILQ_REMOVE(&mpt->request_pending_list, 5243 tgt->req, links); 5244 mpt_free_request(mpt, tgt->req); 5245 tgt->req = NULL; 5246 mpt_scsi_tgt_status(mpt, NULL, req, 5247 0, NULL); 5248 return (TRUE); 5249 } 5250 tgt->ccb = NULL; 5251 tgt->nxfers++; 5252 mpt_req_untimeout(req, mpt_timeout, ccb); 5253 mpt_lprt(mpt, MPT_PRT_DEBUG, 5254 "TARGET_ASSIST %p (req %p:%u) done tag 0x%x\n", 5255 ccb, tgt->req, tgt->req->serno, ccb->csio.tag_id); 5256 /* 5257 * Free the Target Assist Request 5258 */ 5259 KASSERT(tgt->req->ccb == ccb, 5260 ("tgt->req %p:%u tgt->req->ccb %p", tgt->req, 5261 tgt->req->serno, tgt->req->ccb)); 5262 TAILQ_REMOVE(&mpt->request_pending_list, 5263 tgt->req, links); 5264 mpt_free_request(mpt, tgt->req); 5265 tgt->req = NULL; 5266 5267 /* 5268 * Do we need to send status now? That is, are 5269 * we done with all our data transfers? 5270 */ 5271 if ((ccb->ccb_h.flags & CAM_SEND_STATUS) == 0) { 5272 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 5273 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 5274 KASSERT(ccb->ccb_h.status, 5275 ("zero ccb sts at %d", __LINE__)); 5276 tgt->state = TGT_STATE_IN_CAM; 5277 if (mpt->outofbeer) { 5278 ccb->ccb_h.status |= CAM_RELEASE_SIMQ; 5279 mpt->outofbeer = 0; 5280 mpt_lprt(mpt, MPT_PRT_DEBUG, "THAWQ\n"); 5281 } 5282 xpt_done(ccb); 5283 break; 5284 } 5285 /* 5286 * Otherwise, send status (and sense) 5287 */ 5288 if (ccb->ccb_h.flags & CAM_SEND_SENSE) { 5289 sp = sense; 5290 memcpy(sp, &ccb->csio.sense_data, 5291 min(ccb->csio.sense_len, MPT_SENSE_SIZE)); 5292 } 5293 mpt_scsi_tgt_status(mpt, ccb, req, 5294 ccb->csio.scsi_status, sp); 5295 break; 5296 } 5297 case TGT_STATE_SENDING_STATUS: 5298 case TGT_STATE_MOVING_DATA_AND_STATUS: 5299 { 5300 int ioindex; 5301 ccb = tgt->ccb; 5302 5303 if (tgt->req == NULL) { 5304 panic("mpt: turbo target reply with null " 5305 "associated request sending status"); 5306 /* NOTREACHED */ 5307 } 5308 5309 if (ccb) { 5310 tgt->ccb = NULL; 5311 if (tgt->state == 5312 TGT_STATE_MOVING_DATA_AND_STATUS) { 5313 tgt->nxfers++; 5314 } 5315 mpt_req_untimeout(req, mpt_timeout, ccb); 5316 if (ccb->ccb_h.flags & CAM_SEND_SENSE) { 5317 ccb->ccb_h.status |= CAM_SENT_SENSE; 5318 } 5319 mpt_lprt(mpt, MPT_PRT_DEBUG, 5320 "TARGET_STATUS tag %x sts %x flgs %x req " 5321 "%p\n", ccb->csio.tag_id, ccb->ccb_h.status, 5322 ccb->ccb_h.flags, tgt->req); 5323 /* 5324 * Free the Target Send Status Request 5325 */ 5326 KASSERT(tgt->req->ccb == ccb, 5327 ("tgt->req %p:%u tgt->req->ccb %p", 5328 tgt->req, tgt->req->serno, tgt->req->ccb)); 5329 /* 5330 * Notify CAM that we're done 5331 */ 5332 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 5333 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 5334 KASSERT(ccb->ccb_h.status, 5335 ("ZERO ccb sts at %d", __LINE__)); 5336 tgt->ccb = NULL; 5337 } else { 5338 mpt_lprt(mpt, MPT_PRT_DEBUG, 5339 "TARGET_STATUS non-CAM for req %p:%u\n", 5340 tgt->req, tgt->req->serno); 5341 } 5342 TAILQ_REMOVE(&mpt->request_pending_list, 5343 tgt->req, links); 5344 mpt_free_request(mpt, tgt->req); 5345 tgt->req = NULL; 5346 5347 /* 5348 * And re-post the Command Buffer. 5349 * This will reset the state. 5350 */ 5351 ioindex = GET_IO_INDEX(reply_desc); 5352 TAILQ_REMOVE(&mpt->request_pending_list, req, links); 5353 tgt->is_local = 0; 5354 mpt_post_target_command(mpt, req, ioindex); 5355 5356 /* 5357 * And post a done for anyone who cares 5358 */ 5359 if (ccb) { 5360 if (mpt->outofbeer) { 5361 ccb->ccb_h.status |= CAM_RELEASE_SIMQ; 5362 mpt->outofbeer = 0; 5363 mpt_lprt(mpt, MPT_PRT_DEBUG, "THAWQ\n"); 5364 } 5365 xpt_done(ccb); 5366 } 5367 break; 5368 } 5369 case TGT_STATE_NIL: /* XXX This Never Happens XXX */ 5370 tgt->state = TGT_STATE_LOADED; 5371 break; 5372 default: 5373 mpt_prt(mpt, "Unknown Target State 0x%x in Context " 5374 "Reply Function\n", tgt->state); 5375 } 5376 return (TRUE); 5377 } 5378 5379 status = le16toh(reply_frame->IOCStatus); 5380 if (status != MPI_IOCSTATUS_SUCCESS) { 5381 dbg = MPT_PRT_ERROR; 5382 } else { 5383 dbg = MPT_PRT_DEBUG1; 5384 } 5385 5386 mpt_lprt(mpt, dbg, 5387 "SCSI_TGT REPLY: req=%p:%u reply=%p func=%x IOCstatus 0x%x\n", 5388 req, req->serno, reply_frame, reply_frame->Function, status); 5389 5390 switch (reply_frame->Function) { 5391 case MPI_FUNCTION_TARGET_CMD_BUFFER_POST: 5392 { 5393 mpt_tgt_state_t *tgt; 5394 #ifdef INVARIANTS 5395 mpt_req_spcl(mpt, req, "tgt reply BUFFER POST", __LINE__); 5396 #endif 5397 if (status != MPI_IOCSTATUS_SUCCESS) { 5398 /* 5399 * XXX What to do? 5400 */ 5401 break; 5402 } 5403 tgt = MPT_TGT_STATE(mpt, req); 5404 KASSERT(tgt->state == TGT_STATE_LOADING, 5405 ("bad state 0x%x on reply to buffer post", tgt->state)); 5406 mpt_assign_serno(mpt, req); 5407 tgt->state = TGT_STATE_LOADED; 5408 break; 5409 } 5410 case MPI_FUNCTION_TARGET_ASSIST: 5411 #ifdef INVARIANTS 5412 mpt_req_not_spcl(mpt, req, "tgt reply TARGET ASSIST", __LINE__); 5413 #endif 5414 mpt_prt(mpt, "target assist completion\n"); 5415 TAILQ_REMOVE(&mpt->request_pending_list, req, links); 5416 mpt_free_request(mpt, req); 5417 break; 5418 case MPI_FUNCTION_TARGET_STATUS_SEND: 5419 #ifdef INVARIANTS 5420 mpt_req_not_spcl(mpt, req, "tgt reply STATUS SEND", __LINE__); 5421 #endif 5422 mpt_prt(mpt, "status send completion\n"); 5423 TAILQ_REMOVE(&mpt->request_pending_list, req, links); 5424 mpt_free_request(mpt, req); 5425 break; 5426 case MPI_FUNCTION_TARGET_MODE_ABORT: 5427 { 5428 PTR_MSG_TARGET_MODE_ABORT_REPLY abtrp = 5429 (PTR_MSG_TARGET_MODE_ABORT_REPLY) reply_frame; 5430 PTR_MSG_TARGET_MODE_ABORT abtp = 5431 (PTR_MSG_TARGET_MODE_ABORT) req->req_vbuf; 5432 uint32_t cc = GET_IO_INDEX(le32toh(abtp->ReplyWord)); 5433 #ifdef INVARIANTS 5434 mpt_req_not_spcl(mpt, req, "tgt reply TMODE ABORT", __LINE__); 5435 #endif 5436 mpt_prt(mpt, "ABORT RX_ID 0x%x Complete; status 0x%x cnt %u\n", 5437 cc, le16toh(abtrp->IOCStatus), le32toh(abtrp->AbortCount)); 5438 TAILQ_REMOVE(&mpt->request_pending_list, req, links); 5439 mpt_free_request(mpt, req); 5440 break; 5441 } 5442 default: 5443 mpt_prt(mpt, "Unknown Target Address Reply Function code: " 5444 "0x%x\n", reply_frame->Function); 5445 break; 5446 } 5447 return (TRUE); 5448 } 5449