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