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 #ifndef CAM_NEW_TRAN_CODE 113 #define CAM_NEW_TRAN_CODE 1 114 #endif 115 116 static void mpt_poll(struct cam_sim *); 117 static timeout_t mpt_timeout; 118 static void mpt_action(struct cam_sim *, union ccb *); 119 static int 120 mpt_get_spi_settings(struct mpt_softc *, struct ccb_trans_settings *); 121 static void mpt_setwidth(struct mpt_softc *, int, int); 122 static void mpt_setsync(struct mpt_softc *, int, int, int); 123 static int mpt_update_spi_config(struct mpt_softc *, int); 124 static void mpt_calc_geometry(struct ccb_calc_geometry *ccg, int extended); 125 126 static mpt_reply_handler_t mpt_scsi_reply_handler; 127 static mpt_reply_handler_t mpt_scsi_tmf_reply_handler; 128 static mpt_reply_handler_t mpt_fc_els_reply_handler; 129 static int mpt_scsi_reply_frame_handler(struct mpt_softc *, request_t *, 130 MSG_DEFAULT_REPLY *); 131 static int mpt_bus_reset(struct mpt_softc *, target_id_t, lun_id_t, int); 132 static int mpt_fc_reset_link(struct mpt_softc *, int); 133 134 static int mpt_spawn_recovery_thread(struct mpt_softc *mpt); 135 static void mpt_terminate_recovery_thread(struct mpt_softc *mpt); 136 static void mpt_recovery_thread(void *arg); 137 static void mpt_recover_commands(struct mpt_softc *mpt); 138 139 static int mpt_scsi_send_tmf(struct mpt_softc *, u_int, u_int, u_int, 140 u_int, u_int, u_int, int); 141 142 static void mpt_fc_post_els(struct mpt_softc *mpt, request_t *, int); 143 static void mpt_post_target_command(struct mpt_softc *, request_t *, int); 144 static int mpt_add_els_buffers(struct mpt_softc *mpt); 145 static int mpt_add_target_commands(struct mpt_softc *mpt); 146 static int mpt_enable_lun(struct mpt_softc *, target_id_t, lun_id_t); 147 static int mpt_disable_lun(struct mpt_softc *, target_id_t, lun_id_t); 148 static void mpt_target_start_io(struct mpt_softc *, union ccb *); 149 static cam_status mpt_abort_target_ccb(struct mpt_softc *, union ccb *); 150 static int mpt_abort_target_cmd(struct mpt_softc *, request_t *); 151 static void mpt_scsi_tgt_status(struct mpt_softc *, union ccb *, request_t *, 152 uint8_t, uint8_t const *); 153 static void 154 mpt_scsi_tgt_tsk_mgmt(struct mpt_softc *, request_t *, mpt_task_mgmt_t, 155 tgt_resource_t *, int); 156 static void mpt_tgt_dump_tgt_state(struct mpt_softc *, request_t *); 157 static void mpt_tgt_dump_req_state(struct mpt_softc *, request_t *); 158 static mpt_reply_handler_t mpt_scsi_tgt_reply_handler; 159 static mpt_reply_handler_t mpt_sata_pass_reply_handler; 160 161 static uint32_t scsi_io_handler_id = MPT_HANDLER_ID_NONE; 162 static uint32_t scsi_tmf_handler_id = MPT_HANDLER_ID_NONE; 163 static uint32_t fc_els_handler_id = MPT_HANDLER_ID_NONE; 164 static uint32_t sata_pass_handler_id = MPT_HANDLER_ID_NONE; 165 166 static mpt_probe_handler_t mpt_cam_probe; 167 static mpt_attach_handler_t mpt_cam_attach; 168 static mpt_enable_handler_t mpt_cam_enable; 169 static mpt_ready_handler_t mpt_cam_ready; 170 static mpt_event_handler_t mpt_cam_event; 171 static mpt_reset_handler_t mpt_cam_ioc_reset; 172 static mpt_detach_handler_t mpt_cam_detach; 173 174 static struct mpt_personality mpt_cam_personality = 175 { 176 .name = "mpt_cam", 177 .probe = mpt_cam_probe, 178 .attach = mpt_cam_attach, 179 .enable = mpt_cam_enable, 180 .ready = mpt_cam_ready, 181 .event = mpt_cam_event, 182 .reset = mpt_cam_ioc_reset, 183 .detach = mpt_cam_detach, 184 }; 185 186 DECLARE_MPT_PERSONALITY(mpt_cam, SI_ORDER_SECOND); 187 MODULE_DEPEND(mpt_cam, cam, 1, 1, 1); 188 189 int mpt_enable_sata_wc = -1; 190 TUNABLE_INT("hw.mpt.enable_sata_wc", &mpt_enable_sata_wc); 191 192 static int 193 mpt_cam_probe(struct mpt_softc *mpt) 194 { 195 int role; 196 197 /* 198 * Only attach to nodes that support the initiator or target role 199 * (or want to) or have RAID physical devices that need CAM pass-thru 200 * support. 201 */ 202 if (mpt->do_cfg_role) { 203 role = mpt->cfg_role; 204 } else { 205 role = mpt->role; 206 } 207 if ((role & (MPT_ROLE_TARGET|MPT_ROLE_INITIATOR)) != 0 || 208 (mpt->ioc_page2 != NULL && mpt->ioc_page2->MaxPhysDisks != 0)) { 209 return (0); 210 } 211 return (ENODEV); 212 } 213 214 static int 215 mpt_cam_attach(struct mpt_softc *mpt) 216 { 217 struct cam_devq *devq; 218 mpt_handler_t handler; 219 int maxq; 220 int error; 221 222 MPT_LOCK(mpt); 223 TAILQ_INIT(&mpt->request_timeout_list); 224 maxq = (mpt->ioc_facts.GlobalCredits < MPT_MAX_REQUESTS(mpt))? 225 mpt->ioc_facts.GlobalCredits : MPT_MAX_REQUESTS(mpt); 226 227 handler.reply_handler = mpt_scsi_reply_handler; 228 error = mpt_register_handler(mpt, MPT_HANDLER_REPLY, handler, 229 &scsi_io_handler_id); 230 if (error != 0) { 231 MPT_UNLOCK(mpt); 232 goto cleanup; 233 } 234 235 handler.reply_handler = mpt_scsi_tmf_reply_handler; 236 error = mpt_register_handler(mpt, MPT_HANDLER_REPLY, handler, 237 &scsi_tmf_handler_id); 238 if (error != 0) { 239 MPT_UNLOCK(mpt); 240 goto cleanup; 241 } 242 243 /* 244 * If we're fibre channel and could support target mode, we register 245 * an ELS reply handler and give it resources. 246 */ 247 if (mpt->is_fc && (mpt->role & MPT_ROLE_TARGET) != 0) { 248 handler.reply_handler = mpt_fc_els_reply_handler; 249 error = mpt_register_handler(mpt, MPT_HANDLER_REPLY, handler, 250 &fc_els_handler_id); 251 if (error != 0) { 252 MPT_UNLOCK(mpt); 253 goto cleanup; 254 } 255 if (mpt_add_els_buffers(mpt) == FALSE) { 256 error = ENOMEM; 257 MPT_UNLOCK(mpt); 258 goto cleanup; 259 } 260 maxq -= mpt->els_cmds_allocated; 261 } 262 263 /* 264 * If we support target mode, we register a reply handler for it, 265 * but don't add command resources until we actually enable target 266 * mode. 267 */ 268 if (mpt->is_fc && (mpt->role & MPT_ROLE_TARGET) != 0) { 269 handler.reply_handler = mpt_scsi_tgt_reply_handler; 270 error = mpt_register_handler(mpt, MPT_HANDLER_REPLY, handler, 271 &mpt->scsi_tgt_handler_id); 272 if (error != 0) { 273 MPT_UNLOCK(mpt); 274 goto cleanup; 275 } 276 } 277 278 if (mpt->is_sas) { 279 handler.reply_handler = mpt_sata_pass_reply_handler; 280 error = mpt_register_handler(mpt, MPT_HANDLER_REPLY, handler, 281 &sata_pass_handler_id); 282 if (error != 0) { 283 MPT_UNLOCK(mpt); 284 goto cleanup; 285 } 286 } 287 288 /* 289 * We keep one request reserved for timeout TMF requests. 290 */ 291 mpt->tmf_req = mpt_get_request(mpt, FALSE); 292 if (mpt->tmf_req == NULL) { 293 mpt_prt(mpt, "Unable to allocate dedicated TMF request!\n"); 294 error = ENOMEM; 295 MPT_UNLOCK(mpt); 296 goto cleanup; 297 } 298 299 /* 300 * Mark the request as free even though not on the free list. 301 * There is only one TMF request allowed to be outstanding at 302 * a time and the TMF routines perform their own allocation 303 * tracking using the standard state flags. 304 */ 305 mpt->tmf_req->state = REQ_STATE_FREE; 306 maxq--; 307 308 /* 309 * The rest of this is CAM foo, for which we need to drop our lock 310 */ 311 MPT_UNLOCK(mpt); 312 313 if (mpt_spawn_recovery_thread(mpt) != 0) { 314 mpt_prt(mpt, "Unable to spawn recovery thread!\n"); 315 error = ENOMEM; 316 goto cleanup; 317 } 318 319 /* 320 * Create the device queue for our SIM(s). 321 */ 322 devq = cam_simq_alloc(maxq); 323 if (devq == NULL) { 324 mpt_prt(mpt, "Unable to allocate CAM SIMQ!\n"); 325 error = ENOMEM; 326 goto cleanup; 327 } 328 329 /* 330 * Construct our SIM entry. 331 */ 332 mpt->sim = 333 mpt_sim_alloc(mpt_action, mpt_poll, "mpt", mpt, 1, maxq, devq); 334 if (mpt->sim == NULL) { 335 mpt_prt(mpt, "Unable to allocate CAM SIM!\n"); 336 cam_devq_release(devq); 337 error = ENOMEM; 338 goto cleanup; 339 } 340 341 /* 342 * Register exactly this bus. 343 */ 344 MPT_LOCK(mpt); 345 if (mpt_xpt_bus_register(mpt->sim, mpt->dev, 0) != CAM_SUCCESS) { 346 mpt_prt(mpt, "Bus registration Failed!\n"); 347 error = ENOMEM; 348 MPT_UNLOCK(mpt); 349 goto cleanup; 350 } 351 352 if (xpt_create_path(&mpt->path, NULL, cam_sim_path(mpt->sim), 353 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 354 mpt_prt(mpt, "Unable to allocate Path!\n"); 355 error = ENOMEM; 356 MPT_UNLOCK(mpt); 357 goto cleanup; 358 } 359 MPT_UNLOCK(mpt); 360 361 /* 362 * Only register a second bus for RAID physical 363 * devices if the controller supports RAID. 364 */ 365 if (mpt->ioc_page2 == NULL || mpt->ioc_page2->MaxPhysDisks == 0) { 366 return (0); 367 } 368 369 /* 370 * Create a "bus" to export all hidden disks to CAM. 371 */ 372 mpt->phydisk_sim = 373 mpt_sim_alloc(mpt_action, mpt_poll, "mpt", mpt, 1, maxq, devq); 374 if (mpt->phydisk_sim == NULL) { 375 mpt_prt(mpt, "Unable to allocate Physical Disk CAM SIM!\n"); 376 error = ENOMEM; 377 goto cleanup; 378 } 379 380 /* 381 * Register this bus. 382 */ 383 MPT_LOCK(mpt); 384 if (mpt_xpt_bus_register(mpt->phydisk_sim, mpt->dev, 1) != 385 CAM_SUCCESS) { 386 mpt_prt(mpt, "Physical Disk Bus registration Failed!\n"); 387 error = ENOMEM; 388 MPT_UNLOCK(mpt); 389 goto cleanup; 390 } 391 392 if (xpt_create_path(&mpt->phydisk_path, NULL, 393 cam_sim_path(mpt->phydisk_sim), 394 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 395 mpt_prt(mpt, "Unable to allocate Physical Disk Path!\n"); 396 error = ENOMEM; 397 MPT_UNLOCK(mpt); 398 goto cleanup; 399 } 400 MPT_UNLOCK(mpt); 401 mpt_lprt(mpt, MPT_PRT_DEBUG, "attached cam\n"); 402 return (0); 403 404 cleanup: 405 mpt_cam_detach(mpt); 406 return (error); 407 } 408 409 /* 410 * Read FC configuration information 411 */ 412 static int 413 mpt_read_config_info_fc(struct mpt_softc *mpt) 414 { 415 char *topology = NULL; 416 int rv; 417 418 rv = mpt_read_cfg_header(mpt, MPI_CONFIG_PAGETYPE_FC_PORT, 0, 419 0, &mpt->mpt_fcport_page0.Header, FALSE, 5000); 420 if (rv) { 421 return (-1); 422 } 423 mpt_lprt(mpt, MPT_PRT_DEBUG, "FC Port Page 0 Header: %x %x %x %x\n", 424 mpt->mpt_fcport_page0.Header.PageVersion, 425 mpt->mpt_fcport_page0.Header.PageLength, 426 mpt->mpt_fcport_page0.Header.PageNumber, 427 mpt->mpt_fcport_page0.Header.PageType); 428 429 430 rv = mpt_read_cur_cfg_page(mpt, 0, &mpt->mpt_fcport_page0.Header, 431 sizeof(mpt->mpt_fcport_page0), FALSE, 5000); 432 if (rv) { 433 mpt_prt(mpt, "failed to read FC Port Page 0\n"); 434 return (-1); 435 } 436 mpt2host_config_page_fc_port_0(&mpt->mpt_fcport_page0); 437 438 mpt->mpt_fcport_speed = mpt->mpt_fcport_page0.CurrentSpeed; 439 440 switch (mpt->mpt_fcport_page0.Flags & 441 MPI_FCPORTPAGE0_FLAGS_ATTACH_TYPE_MASK) { 442 case MPI_FCPORTPAGE0_FLAGS_ATTACH_NO_INIT: 443 mpt->mpt_fcport_speed = 0; 444 topology = "<NO LOOP>"; 445 break; 446 case MPI_FCPORTPAGE0_FLAGS_ATTACH_POINT_TO_POINT: 447 topology = "N-Port"; 448 break; 449 case MPI_FCPORTPAGE0_FLAGS_ATTACH_PRIVATE_LOOP: 450 topology = "NL-Port"; 451 break; 452 case MPI_FCPORTPAGE0_FLAGS_ATTACH_FABRIC_DIRECT: 453 topology = "F-Port"; 454 break; 455 case MPI_FCPORTPAGE0_FLAGS_ATTACH_PUBLIC_LOOP: 456 topology = "FL-Port"; 457 break; 458 default: 459 mpt->mpt_fcport_speed = 0; 460 topology = "?"; 461 break; 462 } 463 464 mpt_lprt(mpt, MPT_PRT_INFO, 465 "FC Port Page 0: Topology <%s> WWNN 0x%08x%08x WWPN 0x%08x%08x " 466 "Speed %u-Gbit\n", topology, 467 mpt->mpt_fcport_page0.WWNN.High, 468 mpt->mpt_fcport_page0.WWNN.Low, 469 mpt->mpt_fcport_page0.WWPN.High, 470 mpt->mpt_fcport_page0.WWPN.Low, 471 mpt->mpt_fcport_speed); 472 MPT_UNLOCK(mpt); 473 { 474 ksnprintf(mpt->scinfo.fc.wwnn, 475 sizeof (mpt->scinfo.fc.wwnn), "0x%08x%08x", 476 mpt->mpt_fcport_page0.WWNN.High, 477 mpt->mpt_fcport_page0.WWNN.Low); 478 479 ksnprintf(mpt->scinfo.fc.wwpn, 480 sizeof (mpt->scinfo.fc.wwpn), "0x%08x%08x", 481 mpt->mpt_fcport_page0.WWPN.High, 482 mpt->mpt_fcport_page0.WWPN.Low); 483 484 SYSCTL_ADD_STRING(&mpt->mpt_sysctl_ctx, 485 SYSCTL_CHILDREN(mpt->mpt_sysctl_tree), OID_AUTO, 486 "wwnn", CTLFLAG_RD, mpt->scinfo.fc.wwnn, 0, 487 "World Wide Node Name"); 488 489 SYSCTL_ADD_STRING(&mpt->mpt_sysctl_ctx, 490 SYSCTL_CHILDREN(mpt->mpt_sysctl_tree), OID_AUTO, 491 "wwpn", CTLFLAG_RD, mpt->scinfo.fc.wwpn, 0, 492 "World Wide Port Name"); 493 494 } 495 MPT_LOCK(mpt); 496 return (0); 497 } 498 499 /* 500 * Set FC configuration information. 501 */ 502 static int 503 mpt_set_initial_config_fc(struct mpt_softc *mpt) 504 { 505 CONFIG_PAGE_FC_PORT_1 fc; 506 U32 fl; 507 int r, doit = 0; 508 int role; 509 510 r = mpt_read_cfg_header(mpt, MPI_CONFIG_PAGETYPE_FC_PORT, 1, 0, 511 &fc.Header, FALSE, 5000); 512 if (r) { 513 mpt_prt(mpt, "failed to read FC page 1 header\n"); 514 return (mpt_fc_reset_link(mpt, 1)); 515 } 516 517 r = mpt_read_cfg_page(mpt, MPI_CONFIG_ACTION_PAGE_READ_NVRAM, 0, 518 &fc.Header, sizeof (fc), FALSE, 5000); 519 if (r) { 520 mpt_prt(mpt, "failed to read FC page 1\n"); 521 return (mpt_fc_reset_link(mpt, 1)); 522 } 523 mpt2host_config_page_fc_port_1(&fc); 524 525 /* 526 * Check our flags to make sure we support the role we want. 527 */ 528 doit = 0; 529 role = 0; 530 fl = fc.Flags; 531 532 if (fl & MPI_FCPORTPAGE1_FLAGS_PROT_FCP_INIT) { 533 role |= MPT_ROLE_INITIATOR; 534 } 535 if (fl & MPI_FCPORTPAGE1_FLAGS_PROT_FCP_TARG) { 536 role |= MPT_ROLE_TARGET; 537 } 538 539 fl &= ~MPI_FCPORTPAGE1_FLAGS_PROT_MASK; 540 541 if (mpt->do_cfg_role == 0) { 542 role = mpt->cfg_role; 543 } else { 544 mpt->do_cfg_role = 0; 545 } 546 547 if (role != mpt->cfg_role) { 548 if (mpt->cfg_role & MPT_ROLE_INITIATOR) { 549 if ((role & MPT_ROLE_INITIATOR) == 0) { 550 mpt_prt(mpt, "adding initiator role\n"); 551 fl |= MPI_FCPORTPAGE1_FLAGS_PROT_FCP_INIT; 552 doit++; 553 } else { 554 mpt_prt(mpt, "keeping initiator role\n"); 555 } 556 } else if (role & MPT_ROLE_INITIATOR) { 557 mpt_prt(mpt, "removing initiator role\n"); 558 doit++; 559 } 560 if (mpt->cfg_role & MPT_ROLE_TARGET) { 561 if ((role & MPT_ROLE_TARGET) == 0) { 562 mpt_prt(mpt, "adding target role\n"); 563 fl |= MPI_FCPORTPAGE1_FLAGS_PROT_FCP_TARG; 564 doit++; 565 } else { 566 mpt_prt(mpt, "keeping target role\n"); 567 } 568 } else if (role & MPT_ROLE_TARGET) { 569 mpt_prt(mpt, "removing target role\n"); 570 doit++; 571 } 572 mpt->role = mpt->cfg_role; 573 } 574 575 if (fl & MPI_FCPORTPAGE1_FLAGS_PROT_FCP_TARG) { 576 if ((fl & MPI_FCPORTPAGE1_FLAGS_TARGET_MODE_OXID) == 0) { 577 mpt_prt(mpt, "adding OXID option\n"); 578 fl |= MPI_FCPORTPAGE1_FLAGS_TARGET_MODE_OXID; 579 doit++; 580 } 581 } 582 583 if (doit) { 584 fc.Flags = fl; 585 host2mpt_config_page_fc_port_1(&fc); 586 r = mpt_write_cfg_page(mpt, 587 MPI_CONFIG_ACTION_PAGE_WRITE_NVRAM, 0, &fc.Header, 588 sizeof(fc), FALSE, 5000); 589 if (r != 0) { 590 mpt_prt(mpt, "failed to update NVRAM with changes\n"); 591 return (0); 592 } 593 mpt_prt(mpt, "NOTE: NVRAM changes will not take " 594 "effect until next reboot or IOC reset\n"); 595 } 596 return (0); 597 } 598 599 static int 600 mptsas_sas_io_unit_pg0(struct mpt_softc *mpt, struct mptsas_portinfo *portinfo) 601 { 602 ConfigExtendedPageHeader_t hdr; 603 struct mptsas_phyinfo *phyinfo; 604 SasIOUnitPage0_t *buffer; 605 int error, len, i; 606 607 error = mpt_read_extcfg_header(mpt, MPI_SASIOUNITPAGE0_PAGEVERSION, 608 0, 0, MPI_CONFIG_EXTPAGETYPE_SAS_IO_UNIT, 609 &hdr, 0, 10000); 610 if (error) 611 goto out; 612 if (hdr.ExtPageLength == 0) { 613 error = ENXIO; 614 goto out; 615 } 616 617 len = hdr.ExtPageLength * 4; 618 buffer = kmalloc(len, M_DEVBUF, M_NOWAIT|M_ZERO); 619 if (buffer == NULL) { 620 error = ENOMEM; 621 goto out; 622 } 623 624 error = mpt_read_extcfg_page(mpt, MPI_CONFIG_ACTION_PAGE_READ_CURRENT, 625 0, &hdr, buffer, len, 0, 10000); 626 if (error) { 627 kfree(buffer, M_DEVBUF); 628 goto out; 629 } 630 631 portinfo->num_phys = buffer->NumPhys; 632 portinfo->phy_info = kmalloc(sizeof(*portinfo->phy_info) * 633 portinfo->num_phys, M_DEVBUF, M_NOWAIT|M_ZERO); 634 if (portinfo->phy_info == NULL) { 635 kfree(buffer, M_DEVBUF); 636 error = ENOMEM; 637 goto out; 638 } 639 640 for (i = 0; i < portinfo->num_phys; i++) { 641 phyinfo = &portinfo->phy_info[i]; 642 phyinfo->phy_num = i; 643 phyinfo->port_id = buffer->PhyData[i].Port; 644 phyinfo->negotiated_link_rate = 645 buffer->PhyData[i].NegotiatedLinkRate; 646 phyinfo->handle = 647 le16toh(buffer->PhyData[i].ControllerDevHandle); 648 } 649 650 kfree(buffer, M_DEVBUF); 651 out: 652 return (error); 653 } 654 655 static int 656 mptsas_sas_phy_pg0(struct mpt_softc *mpt, struct mptsas_phyinfo *phy_info, 657 uint32_t form, uint32_t form_specific) 658 { 659 ConfigExtendedPageHeader_t hdr; 660 SasPhyPage0_t *buffer; 661 int error; 662 663 error = mpt_read_extcfg_header(mpt, MPI_SASPHY0_PAGEVERSION, 0, 0, 664 MPI_CONFIG_EXTPAGETYPE_SAS_PHY, &hdr, 665 0, 10000); 666 if (error) 667 goto out; 668 if (hdr.ExtPageLength == 0) { 669 error = ENXIO; 670 goto out; 671 } 672 673 buffer = kmalloc(sizeof(SasPhyPage0_t), M_DEVBUF, M_NOWAIT|M_ZERO); 674 if (buffer == NULL) { 675 error = ENOMEM; 676 goto out; 677 } 678 679 error = mpt_read_extcfg_page(mpt, MPI_CONFIG_ACTION_PAGE_READ_CURRENT, 680 form + form_specific, &hdr, buffer, 681 sizeof(SasPhyPage0_t), 0, 10000); 682 if (error) { 683 kfree(buffer, M_DEVBUF); 684 goto out; 685 } 686 687 phy_info->hw_link_rate = buffer->HwLinkRate; 688 phy_info->programmed_link_rate = buffer->ProgrammedLinkRate; 689 phy_info->identify.dev_handle = le16toh(buffer->OwnerDevHandle); 690 phy_info->attached.dev_handle = le16toh(buffer->AttachedDevHandle); 691 692 kfree(buffer, M_DEVBUF); 693 out: 694 return (error); 695 } 696 697 static int 698 mptsas_sas_device_pg0(struct mpt_softc *mpt, struct mptsas_devinfo *device_info, 699 uint32_t form, uint32_t form_specific) 700 { 701 ConfigExtendedPageHeader_t hdr; 702 SasDevicePage0_t *buffer; 703 uint64_t sas_address; 704 int error = 0; 705 706 bzero(device_info, sizeof(*device_info)); 707 error = mpt_read_extcfg_header(mpt, MPI_SASDEVICE0_PAGEVERSION, 0, 0, 708 MPI_CONFIG_EXTPAGETYPE_SAS_DEVICE, 709 &hdr, 0, 10000); 710 if (error) 711 goto out; 712 if (hdr.ExtPageLength == 0) { 713 error = ENXIO; 714 goto out; 715 } 716 717 buffer = kmalloc(sizeof(SasDevicePage0_t), M_DEVBUF, M_NOWAIT|M_ZERO); 718 if (buffer == NULL) { 719 error = ENOMEM; 720 goto out; 721 } 722 723 error = mpt_read_extcfg_page(mpt, MPI_CONFIG_ACTION_PAGE_READ_CURRENT, 724 form + form_specific, &hdr, buffer, 725 sizeof(SasDevicePage0_t), 0, 10000); 726 if (error) { 727 kfree(buffer, M_DEVBUF); 728 goto out; 729 } 730 731 device_info->dev_handle = le16toh(buffer->DevHandle); 732 device_info->parent_dev_handle = le16toh(buffer->ParentDevHandle); 733 device_info->enclosure_handle = le16toh(buffer->EnclosureHandle); 734 device_info->slot = le16toh(buffer->Slot); 735 device_info->phy_num = buffer->PhyNum; 736 device_info->physical_port = buffer->PhysicalPort; 737 device_info->target_id = buffer->TargetID; 738 device_info->bus = buffer->Bus; 739 bcopy(&buffer->SASAddress, &sas_address, sizeof(uint64_t)); 740 device_info->sas_address = le64toh(sas_address); 741 device_info->device_info = le32toh(buffer->DeviceInfo); 742 743 kfree(buffer, M_DEVBUF); 744 out: 745 return (error); 746 } 747 748 /* 749 * Read SAS configuration information. Nothing to do yet. 750 */ 751 static int 752 mpt_read_config_info_sas(struct mpt_softc *mpt) 753 { 754 struct mptsas_portinfo *portinfo; 755 struct mptsas_phyinfo *phyinfo; 756 int error, i; 757 758 portinfo = kmalloc(sizeof(*portinfo), M_DEVBUF, M_NOWAIT|M_ZERO); 759 if (portinfo == NULL) 760 return (ENOMEM); 761 762 error = mptsas_sas_io_unit_pg0(mpt, portinfo); 763 if (error) { 764 kfree(portinfo, M_DEVBUF); 765 return (0); 766 } 767 768 for (i = 0; i < portinfo->num_phys; i++) { 769 phyinfo = &portinfo->phy_info[i]; 770 error = mptsas_sas_phy_pg0(mpt, phyinfo, 771 (MPI_SAS_PHY_PGAD_FORM_PHY_NUMBER << 772 MPI_SAS_PHY_PGAD_FORM_SHIFT), i); 773 if (error) 774 break; 775 error = mptsas_sas_device_pg0(mpt, &phyinfo->identify, 776 (MPI_SAS_DEVICE_PGAD_FORM_HANDLE << 777 MPI_SAS_DEVICE_PGAD_FORM_SHIFT), 778 phyinfo->handle); 779 if (error) 780 break; 781 phyinfo->identify.phy_num = phyinfo->phy_num = i; 782 if (phyinfo->attached.dev_handle) 783 error = mptsas_sas_device_pg0(mpt, 784 &phyinfo->attached, 785 (MPI_SAS_DEVICE_PGAD_FORM_HANDLE << 786 MPI_SAS_DEVICE_PGAD_FORM_SHIFT), 787 phyinfo->attached.dev_handle); 788 if (error) 789 break; 790 } 791 mpt->sas_portinfo = portinfo; 792 return (0); 793 } 794 795 static void 796 mptsas_set_sata_wc(struct mpt_softc *mpt, struct mptsas_devinfo *devinfo, 797 int enabled) 798 { 799 SataPassthroughRequest_t *pass; 800 request_t *req; 801 int error, status; 802 803 req = mpt_get_request(mpt, 0); 804 if (req == NULL) 805 return; 806 807 pass = req->req_vbuf; 808 bzero(pass, sizeof(SataPassthroughRequest_t)); 809 pass->Function = MPI_FUNCTION_SATA_PASSTHROUGH; 810 pass->TargetID = devinfo->target_id; 811 pass->Bus = devinfo->bus; 812 pass->PassthroughFlags = 0; 813 pass->ConnectionRate = MPI_SATA_PT_REQ_CONNECT_RATE_NEGOTIATED; 814 pass->DataLength = 0; 815 pass->MsgContext = htole32(req->index | sata_pass_handler_id); 816 pass->CommandFIS[0] = 0x27; 817 pass->CommandFIS[1] = 0x80; 818 pass->CommandFIS[2] = 0xef; 819 pass->CommandFIS[3] = (enabled) ? 0x02 : 0x82; 820 pass->CommandFIS[7] = 0x40; 821 pass->CommandFIS[15] = 0x08; 822 823 mpt_check_doorbell(mpt); 824 mpt_send_cmd(mpt, req); 825 error = mpt_wait_req(mpt, req, REQ_STATE_DONE, REQ_STATE_DONE, 0, 826 10 * 1000); 827 if (error) { 828 mpt_free_request(mpt, req); 829 kprintf("error %d sending passthrough\n", error); 830 return; 831 } 832 833 status = le16toh(req->IOCStatus); 834 if (status != MPI_IOCSTATUS_SUCCESS) { 835 mpt_free_request(mpt, req); 836 kprintf("IOCSTATUS %d\n", status); 837 return; 838 } 839 840 mpt_free_request(mpt, req); 841 } 842 843 /* 844 * Set SAS configuration information. Nothing to do yet. 845 */ 846 static int 847 mpt_set_initial_config_sas(struct mpt_softc *mpt) 848 { 849 struct mptsas_phyinfo *phyinfo; 850 int i; 851 852 if ((mpt_enable_sata_wc != -1) && (mpt->sas_portinfo != NULL)) { 853 for (i = 0; i < mpt->sas_portinfo->num_phys; i++) { 854 phyinfo = &mpt->sas_portinfo->phy_info[i]; 855 if (phyinfo->attached.dev_handle == 0) 856 continue; 857 if ((phyinfo->attached.device_info & 858 MPI_SAS_DEVICE_INFO_SATA_DEVICE) == 0) 859 continue; 860 if (bootverbose) 861 device_printf(mpt->dev, 862 "%sabling SATA WC on phy %d\n", 863 (mpt_enable_sata_wc) ? "En" : "Dis", i); 864 mptsas_set_sata_wc(mpt, &phyinfo->attached, 865 mpt_enable_sata_wc); 866 } 867 } 868 869 return (0); 870 } 871 872 static int 873 mpt_sata_pass_reply_handler(struct mpt_softc *mpt, request_t *req, 874 uint32_t reply_desc, MSG_DEFAULT_REPLY *reply_frame) 875 { 876 877 if (req != NULL) { 878 if (reply_frame != NULL) { 879 req->IOCStatus = le16toh(reply_frame->IOCStatus); 880 } 881 req->state &= ~REQ_STATE_QUEUED; 882 req->state |= REQ_STATE_DONE; 883 TAILQ_REMOVE(&mpt->request_pending_list, req, links); 884 if ((req->state & REQ_STATE_NEED_WAKEUP) != 0) { 885 wakeup(req); 886 } else if ((req->state & REQ_STATE_TIMEDOUT) != 0) { 887 /* 888 * Whew- we can free this request (late completion) 889 */ 890 mpt_free_request(mpt, req); 891 } 892 } 893 894 return (TRUE); 895 } 896 897 /* 898 * Read SCSI configuration information 899 */ 900 static int 901 mpt_read_config_info_spi(struct mpt_softc *mpt) 902 { 903 int rv, i; 904 905 rv = mpt_read_cfg_header(mpt, MPI_CONFIG_PAGETYPE_SCSI_PORT, 0, 0, 906 &mpt->mpt_port_page0.Header, FALSE, 5000); 907 if (rv) { 908 return (-1); 909 } 910 mpt_lprt(mpt, MPT_PRT_DEBUG, "SPI Port Page 0 Header: %x %x %x %x\n", 911 mpt->mpt_port_page0.Header.PageVersion, 912 mpt->mpt_port_page0.Header.PageLength, 913 mpt->mpt_port_page0.Header.PageNumber, 914 mpt->mpt_port_page0.Header.PageType); 915 916 rv = mpt_read_cfg_header(mpt, MPI_CONFIG_PAGETYPE_SCSI_PORT, 1, 0, 917 &mpt->mpt_port_page1.Header, FALSE, 5000); 918 if (rv) { 919 return (-1); 920 } 921 mpt_lprt(mpt, MPT_PRT_DEBUG, "SPI Port Page 1 Header: %x %x %x %x\n", 922 mpt->mpt_port_page1.Header.PageVersion, 923 mpt->mpt_port_page1.Header.PageLength, 924 mpt->mpt_port_page1.Header.PageNumber, 925 mpt->mpt_port_page1.Header.PageType); 926 927 rv = mpt_read_cfg_header(mpt, MPI_CONFIG_PAGETYPE_SCSI_PORT, 2, 0, 928 &mpt->mpt_port_page2.Header, FALSE, 5000); 929 if (rv) { 930 return (-1); 931 } 932 mpt_lprt(mpt, MPT_PRT_DEBUG, "SPI Port Page 2 Header: %x %x %x %x\n", 933 mpt->mpt_port_page2.Header.PageVersion, 934 mpt->mpt_port_page2.Header.PageLength, 935 mpt->mpt_port_page2.Header.PageNumber, 936 mpt->mpt_port_page2.Header.PageType); 937 938 for (i = 0; i < 16; i++) { 939 rv = mpt_read_cfg_header(mpt, MPI_CONFIG_PAGETYPE_SCSI_DEVICE, 940 0, i, &mpt->mpt_dev_page0[i].Header, FALSE, 5000); 941 if (rv) { 942 return (-1); 943 } 944 mpt_lprt(mpt, MPT_PRT_DEBUG, 945 "SPI Target %d Device Page 0 Header: %x %x %x %x\n", i, 946 mpt->mpt_dev_page0[i].Header.PageVersion, 947 mpt->mpt_dev_page0[i].Header.PageLength, 948 mpt->mpt_dev_page0[i].Header.PageNumber, 949 mpt->mpt_dev_page0[i].Header.PageType); 950 951 rv = mpt_read_cfg_header(mpt, MPI_CONFIG_PAGETYPE_SCSI_DEVICE, 952 1, i, &mpt->mpt_dev_page1[i].Header, FALSE, 5000); 953 if (rv) { 954 return (-1); 955 } 956 mpt_lprt(mpt, MPT_PRT_DEBUG, 957 "SPI Target %d Device Page 1 Header: %x %x %x %x\n", i, 958 mpt->mpt_dev_page1[i].Header.PageVersion, 959 mpt->mpt_dev_page1[i].Header.PageLength, 960 mpt->mpt_dev_page1[i].Header.PageNumber, 961 mpt->mpt_dev_page1[i].Header.PageType); 962 } 963 964 /* 965 * At this point, we don't *have* to fail. As long as we have 966 * valid config header information, we can (barely) lurch 967 * along. 968 */ 969 970 rv = mpt_read_cur_cfg_page(mpt, 0, &mpt->mpt_port_page0.Header, 971 sizeof(mpt->mpt_port_page0), FALSE, 5000); 972 if (rv) { 973 mpt_prt(mpt, "failed to read SPI Port Page 0\n"); 974 } else { 975 mpt2host_config_page_scsi_port_0(&mpt->mpt_port_page0); 976 mpt_lprt(mpt, MPT_PRT_NEGOTIATION, 977 "SPI Port Page 0: Capabilities %x PhysicalInterface %x\n", 978 mpt->mpt_port_page0.Capabilities, 979 mpt->mpt_port_page0.PhysicalInterface); 980 } 981 982 rv = mpt_read_cur_cfg_page(mpt, 0, &mpt->mpt_port_page1.Header, 983 sizeof(mpt->mpt_port_page1), FALSE, 5000); 984 if (rv) { 985 mpt_prt(mpt, "failed to read SPI Port Page 1\n"); 986 } else { 987 mpt2host_config_page_scsi_port_1(&mpt->mpt_port_page1); 988 mpt_lprt(mpt, MPT_PRT_DEBUG, 989 "SPI Port Page 1: Configuration %x OnBusTimerValue %x\n", 990 mpt->mpt_port_page1.Configuration, 991 mpt->mpt_port_page1.OnBusTimerValue); 992 } 993 994 rv = mpt_read_cur_cfg_page(mpt, 0, &mpt->mpt_port_page2.Header, 995 sizeof(mpt->mpt_port_page2), FALSE, 5000); 996 if (rv) { 997 mpt_prt(mpt, "failed to read SPI Port Page 2\n"); 998 } else { 999 mpt_lprt(mpt, MPT_PRT_NEGOTIATION, 1000 "Port Page 2: Flags %x Settings %x\n", 1001 mpt->mpt_port_page2.PortFlags, 1002 mpt->mpt_port_page2.PortSettings); 1003 mpt2host_config_page_scsi_port_2(&mpt->mpt_port_page2); 1004 for (i = 0; i < 16; i++) { 1005 mpt_lprt(mpt, MPT_PRT_NEGOTIATION, 1006 " Port Page 2 Tgt %d: timo %x SF %x Flags %x\n", 1007 i, mpt->mpt_port_page2.DeviceSettings[i].Timeout, 1008 mpt->mpt_port_page2.DeviceSettings[i].SyncFactor, 1009 mpt->mpt_port_page2.DeviceSettings[i].DeviceFlags); 1010 } 1011 } 1012 1013 for (i = 0; i < 16; i++) { 1014 rv = mpt_read_cur_cfg_page(mpt, i, 1015 &mpt->mpt_dev_page0[i].Header, sizeof(*mpt->mpt_dev_page0), 1016 FALSE, 5000); 1017 if (rv) { 1018 mpt_prt(mpt, 1019 "cannot read SPI Target %d Device Page 0\n", i); 1020 continue; 1021 } 1022 mpt2host_config_page_scsi_device_0(&mpt->mpt_dev_page0[i]); 1023 mpt_lprt(mpt, MPT_PRT_NEGOTIATION, 1024 "target %d page 0: Negotiated Params %x Information %x\n", 1025 i, mpt->mpt_dev_page0[i].NegotiatedParameters, 1026 mpt->mpt_dev_page0[i].Information); 1027 1028 rv = mpt_read_cur_cfg_page(mpt, i, 1029 &mpt->mpt_dev_page1[i].Header, sizeof(*mpt->mpt_dev_page1), 1030 FALSE, 5000); 1031 if (rv) { 1032 mpt_prt(mpt, 1033 "cannot read SPI Target %d Device Page 1\n", i); 1034 continue; 1035 } 1036 mpt2host_config_page_scsi_device_1(&mpt->mpt_dev_page1[i]); 1037 mpt_lprt(mpt, MPT_PRT_NEGOTIATION, 1038 "target %d page 1: Requested Params %x Configuration %x\n", 1039 i, mpt->mpt_dev_page1[i].RequestedParameters, 1040 mpt->mpt_dev_page1[i].Configuration); 1041 } 1042 return (0); 1043 } 1044 1045 /* 1046 * Validate SPI configuration information. 1047 * 1048 * In particular, validate SPI Port Page 1. 1049 */ 1050 static int 1051 mpt_set_initial_config_spi(struct mpt_softc *mpt) 1052 { 1053 int error, i, pp1val; 1054 1055 mpt->mpt_disc_enable = 0xff; 1056 mpt->mpt_tag_enable = 0; 1057 1058 pp1val = ((1 << mpt->mpt_ini_id) << 1059 MPI_SCSIPORTPAGE1_CFG_SHIFT_PORT_RESPONSE_ID) | mpt->mpt_ini_id; 1060 if (mpt->mpt_port_page1.Configuration != pp1val) { 1061 CONFIG_PAGE_SCSI_PORT_1 tmp; 1062 1063 mpt_prt(mpt, "SPI Port Page 1 Config value bad (%x)- should " 1064 "be %x\n", mpt->mpt_port_page1.Configuration, pp1val); 1065 tmp = mpt->mpt_port_page1; 1066 tmp.Configuration = pp1val; 1067 host2mpt_config_page_scsi_port_1(&tmp); 1068 error = mpt_write_cur_cfg_page(mpt, 0, 1069 &tmp.Header, sizeof(tmp), FALSE, 5000); 1070 if (error) { 1071 return (-1); 1072 } 1073 error = mpt_read_cur_cfg_page(mpt, 0, 1074 &tmp.Header, sizeof(tmp), FALSE, 5000); 1075 if (error) { 1076 return (-1); 1077 } 1078 mpt2host_config_page_scsi_port_1(&tmp); 1079 if (tmp.Configuration != pp1val) { 1080 mpt_prt(mpt, 1081 "failed to reset SPI Port Page 1 Config value\n"); 1082 return (-1); 1083 } 1084 mpt->mpt_port_page1 = tmp; 1085 } 1086 1087 /* 1088 * The purpose of this exercise is to get 1089 * all targets back to async/narrow. 1090 * 1091 * We skip this step if the BIOS has already negotiated 1092 * speeds with the targets. 1093 */ 1094 i = mpt->mpt_port_page2.PortSettings & 1095 MPI_SCSIPORTPAGE2_PORT_MASK_NEGO_MASTER_SETTINGS; 1096 if (i == MPI_SCSIPORTPAGE2_PORT_ALL_MASTER_SETTINGS) { 1097 mpt_lprt(mpt, MPT_PRT_NEGOTIATION, 1098 "honoring BIOS transfer negotiations\n"); 1099 } else { 1100 for (i = 0; i < 16; i++) { 1101 mpt->mpt_dev_page1[i].RequestedParameters = 0; 1102 mpt->mpt_dev_page1[i].Configuration = 0; 1103 (void) mpt_update_spi_config(mpt, i); 1104 } 1105 } 1106 return (0); 1107 } 1108 1109 static int 1110 mpt_cam_enable(struct mpt_softc *mpt) 1111 { 1112 int error; 1113 1114 MPT_LOCK(mpt); 1115 1116 error = EIO; 1117 if (mpt->is_fc) { 1118 if (mpt_read_config_info_fc(mpt)) { 1119 goto out; 1120 } 1121 if (mpt_set_initial_config_fc(mpt)) { 1122 goto out; 1123 } 1124 } else if (mpt->is_sas) { 1125 if (mpt_read_config_info_sas(mpt)) { 1126 goto out; 1127 } 1128 if (mpt_set_initial_config_sas(mpt)) { 1129 goto out; 1130 } 1131 } else if (mpt->is_spi) { 1132 if (mpt_read_config_info_spi(mpt)) { 1133 goto out; 1134 } 1135 if (mpt_set_initial_config_spi(mpt)) { 1136 goto out; 1137 } 1138 } 1139 error = 0; 1140 1141 out: 1142 MPT_UNLOCK(mpt); 1143 return (error); 1144 } 1145 1146 static void 1147 mpt_cam_ready(struct mpt_softc *mpt) 1148 { 1149 1150 /* 1151 * If we're in target mode, hang out resources now 1152 * so we don't cause the world to hang talking to us. 1153 */ 1154 if (mpt->is_fc && (mpt->role & MPT_ROLE_TARGET)) { 1155 /* 1156 * Try to add some target command resources 1157 */ 1158 MPT_LOCK(mpt); 1159 if (mpt_add_target_commands(mpt) == FALSE) { 1160 mpt_prt(mpt, "failed to add target commands\n"); 1161 } 1162 MPT_UNLOCK(mpt); 1163 } 1164 mpt->ready = 1; 1165 } 1166 1167 static void 1168 mpt_cam_detach(struct mpt_softc *mpt) 1169 { 1170 mpt_handler_t handler; 1171 1172 MPT_LOCK(mpt); 1173 mpt->ready = 0; 1174 mpt_terminate_recovery_thread(mpt); 1175 1176 handler.reply_handler = mpt_scsi_reply_handler; 1177 mpt_deregister_handler(mpt, MPT_HANDLER_REPLY, handler, 1178 scsi_io_handler_id); 1179 handler.reply_handler = mpt_scsi_tmf_reply_handler; 1180 mpt_deregister_handler(mpt, MPT_HANDLER_REPLY, handler, 1181 scsi_tmf_handler_id); 1182 handler.reply_handler = mpt_fc_els_reply_handler; 1183 mpt_deregister_handler(mpt, MPT_HANDLER_REPLY, handler, 1184 fc_els_handler_id); 1185 handler.reply_handler = mpt_scsi_tgt_reply_handler; 1186 mpt_deregister_handler(mpt, MPT_HANDLER_REPLY, handler, 1187 mpt->scsi_tgt_handler_id); 1188 handler.reply_handler = mpt_sata_pass_reply_handler; 1189 mpt_deregister_handler(mpt, MPT_HANDLER_REPLY, handler, 1190 sata_pass_handler_id); 1191 1192 if (mpt->tmf_req != NULL) { 1193 mpt->tmf_req->state = REQ_STATE_ALLOCATED; 1194 mpt_free_request(mpt, mpt->tmf_req); 1195 mpt->tmf_req = NULL; 1196 } 1197 if (mpt->sas_portinfo != NULL) { 1198 kfree(mpt->sas_portinfo, M_DEVBUF); 1199 mpt->sas_portinfo = NULL; 1200 } 1201 1202 if (mpt->sim != NULL) { 1203 xpt_free_path(mpt->path); 1204 xpt_bus_deregister(cam_sim_path(mpt->sim)); 1205 cam_sim_free(mpt->sim); 1206 mpt->sim = NULL; 1207 } 1208 1209 if (mpt->phydisk_sim != NULL) { 1210 xpt_free_path(mpt->phydisk_path); 1211 xpt_bus_deregister(cam_sim_path(mpt->phydisk_sim)); 1212 cam_sim_free(mpt->phydisk_sim); 1213 mpt->phydisk_sim = NULL; 1214 } 1215 MPT_UNLOCK(mpt); 1216 } 1217 1218 /* This routine is used after a system crash to dump core onto the swap device. 1219 */ 1220 static void 1221 mpt_poll(struct cam_sim *sim) 1222 { 1223 struct mpt_softc *mpt; 1224 1225 mpt = (struct mpt_softc *)cam_sim_softc(sim); 1226 mpt_intr(mpt); 1227 } 1228 1229 /* 1230 * Watchdog timeout routine for SCSI requests. 1231 */ 1232 static void 1233 mpt_timeout(void *arg) 1234 { 1235 union ccb *ccb; 1236 struct mpt_softc *mpt; 1237 request_t *req; 1238 1239 ccb = (union ccb *)arg; 1240 mpt = ccb->ccb_h.ccb_mpt_ptr; 1241 1242 MPT_LOCK(mpt); 1243 req = ccb->ccb_h.ccb_req_ptr; 1244 mpt_prt(mpt, "request %p:%u timed out for ccb %p (req->ccb %p)\n", req, 1245 req->serno, ccb, req->ccb); 1246 /* XXX: WHAT ARE WE TRYING TO DO HERE? */ 1247 if ((req->state & REQ_STATE_QUEUED) == REQ_STATE_QUEUED) { 1248 TAILQ_REMOVE(&mpt->request_pending_list, req, links); 1249 TAILQ_INSERT_TAIL(&mpt->request_timeout_list, req, links); 1250 req->state |= REQ_STATE_TIMEDOUT; 1251 mpt_wakeup_recovery_thread(mpt); 1252 } 1253 MPT_UNLOCK(mpt); 1254 } 1255 1256 /* 1257 * Callback routine from "bus_dmamap_load" or, in simple cases, called directly. 1258 * 1259 * Takes a list of physical segments and builds the SGL for SCSI IO command 1260 * and forwards the commard to the IOC after one last check that CAM has not 1261 * aborted the transaction. 1262 */ 1263 static void 1264 mpt_execute_req_a64(void *arg, bus_dma_segment_t *dm_segs, int nseg, int error) 1265 { 1266 request_t *req, *trq; 1267 char *mpt_off; 1268 union ccb *ccb; 1269 struct mpt_softc *mpt; 1270 bus_addr_t chain_list_addr; 1271 int first_lim, seg, this_seg_lim; 1272 uint32_t addr, cur_off, flags, nxt_off, tf; 1273 void *sglp = NULL; 1274 MSG_REQUEST_HEADER *hdrp; 1275 SGE_SIMPLE64 *se; 1276 SGE_CHAIN64 *ce; 1277 int istgt = 0; 1278 1279 req = (request_t *)arg; 1280 ccb = req->ccb; 1281 1282 mpt = ccb->ccb_h.ccb_mpt_ptr; 1283 req = ccb->ccb_h.ccb_req_ptr; 1284 1285 hdrp = req->req_vbuf; 1286 mpt_off = req->req_vbuf; 1287 1288 if (error == 0 && ((uint32_t)nseg) >= mpt->max_seg_cnt) { 1289 error = EFBIG; 1290 } 1291 1292 if (error == 0) { 1293 switch (hdrp->Function) { 1294 case MPI_FUNCTION_SCSI_IO_REQUEST: 1295 case MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH: 1296 istgt = 0; 1297 sglp = &((PTR_MSG_SCSI_IO_REQUEST)hdrp)->SGL; 1298 break; 1299 case MPI_FUNCTION_TARGET_ASSIST: 1300 istgt = 1; 1301 sglp = &((PTR_MSG_TARGET_ASSIST_REQUEST)hdrp)->SGL; 1302 break; 1303 default: 1304 mpt_prt(mpt, "bad fct 0x%x in mpt_execute_req_a64\n", 1305 hdrp->Function); 1306 error = EINVAL; 1307 break; 1308 } 1309 } 1310 1311 if (error == 0 && ((uint32_t)nseg) >= mpt->max_seg_cnt) { 1312 error = EFBIG; 1313 mpt_prt(mpt, "segment count %d too large (max %u)\n", 1314 nseg, mpt->max_seg_cnt); 1315 } 1316 1317 bad: 1318 if (error != 0) { 1319 if (error != EFBIG && error != ENOMEM) { 1320 mpt_prt(mpt, "mpt_execute_req_a64: err %d\n", error); 1321 } 1322 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INPROG) { 1323 cam_status status; 1324 mpt_freeze_ccb(ccb); 1325 if (error == EFBIG) { 1326 status = CAM_REQ_TOO_BIG; 1327 } else if (error == ENOMEM) { 1328 if (mpt->outofbeer == 0) { 1329 mpt->outofbeer = 1; 1330 xpt_freeze_simq(mpt->sim, 1); 1331 mpt_lprt(mpt, MPT_PRT_DEBUG, 1332 "FREEZEQ\n"); 1333 } 1334 status = CAM_REQUEUE_REQ; 1335 } else { 1336 status = CAM_REQ_CMP_ERR; 1337 } 1338 mpt_set_ccb_status(ccb, status); 1339 } 1340 if (hdrp->Function == MPI_FUNCTION_TARGET_ASSIST) { 1341 request_t *cmd_req = 1342 MPT_TAG_2_REQ(mpt, ccb->csio.tag_id); 1343 MPT_TGT_STATE(mpt, cmd_req)->state = TGT_STATE_IN_CAM; 1344 MPT_TGT_STATE(mpt, cmd_req)->ccb = NULL; 1345 MPT_TGT_STATE(mpt, cmd_req)->req = NULL; 1346 } 1347 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 1348 KASSERT(ccb->ccb_h.status, ("zero ccb sts at %d", __LINE__)); 1349 xpt_done(ccb); 1350 CAMLOCK_2_MPTLOCK(mpt); 1351 mpt_free_request(mpt, req); 1352 MPTLOCK_2_CAMLOCK(mpt); 1353 return; 1354 } 1355 1356 /* 1357 * No data to transfer? 1358 * Just make a single simple SGL with zero length. 1359 */ 1360 1361 if (mpt->verbose >= MPT_PRT_DEBUG) { 1362 int tidx = ((char *)sglp) - mpt_off; 1363 memset(&mpt_off[tidx], 0xff, MPT_REQUEST_AREA - tidx); 1364 } 1365 1366 if (nseg == 0) { 1367 SGE_SIMPLE32 *se1 = (SGE_SIMPLE32 *) sglp; 1368 MPI_pSGE_SET_FLAGS(se1, 1369 (MPI_SGE_FLAGS_LAST_ELEMENT | MPI_SGE_FLAGS_END_OF_BUFFER | 1370 MPI_SGE_FLAGS_SIMPLE_ELEMENT | MPI_SGE_FLAGS_END_OF_LIST)); 1371 se1->FlagsLength = htole32(se1->FlagsLength); 1372 goto out; 1373 } 1374 1375 1376 flags = MPI_SGE_FLAGS_SIMPLE_ELEMENT | MPI_SGE_FLAGS_64_BIT_ADDRESSING; 1377 if (istgt == 0) { 1378 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_OUT) { 1379 flags |= MPI_SGE_FLAGS_HOST_TO_IOC; 1380 } 1381 } else { 1382 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 1383 flags |= MPI_SGE_FLAGS_HOST_TO_IOC; 1384 } 1385 } 1386 1387 if (!(ccb->ccb_h.flags & (CAM_SG_LIST_PHYS|CAM_DATA_PHYS))) { 1388 bus_dmasync_op_t op; 1389 if (istgt == 0) { 1390 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 1391 op = BUS_DMASYNC_PREREAD; 1392 } else { 1393 op = BUS_DMASYNC_PREWRITE; 1394 } 1395 } else { 1396 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 1397 op = BUS_DMASYNC_PREWRITE; 1398 } else { 1399 op = BUS_DMASYNC_PREREAD; 1400 } 1401 } 1402 bus_dmamap_sync(mpt->buffer_dmat, req->dmap, op); 1403 } 1404 1405 /* 1406 * Okay, fill in what we can at the end of the command frame. 1407 * If we have up to MPT_NSGL_FIRST, we can fit them all into 1408 * the command frame. 1409 * 1410 * Otherwise, we fill up through MPT_NSGL_FIRST less one 1411 * SIMPLE64 pointers and start doing CHAIN64 entries after 1412 * that. 1413 */ 1414 1415 if (nseg < MPT_NSGL_FIRST(mpt)) { 1416 first_lim = nseg; 1417 } else { 1418 /* 1419 * Leave room for CHAIN element 1420 */ 1421 first_lim = MPT_NSGL_FIRST(mpt) - 1; 1422 } 1423 1424 se = (SGE_SIMPLE64 *) sglp; 1425 for (seg = 0; seg < first_lim; seg++, se++, dm_segs++) { 1426 tf = flags; 1427 memset(se, 0, sizeof (*se)); 1428 MPI_pSGE_SET_LENGTH(se, dm_segs->ds_len); 1429 se->Address.Low = htole32(dm_segs->ds_addr & 0xffffffff); 1430 if (sizeof(bus_addr_t) > 4) { 1431 addr = ((uint64_t)dm_segs->ds_addr) >> 32; 1432 /* SAS1078 36GB limitation WAR */ 1433 if (mpt->is_1078 && (((uint64_t)dm_segs->ds_addr + 1434 MPI_SGE_LENGTH(se->FlagsLength)) >> 32) == 9) { 1435 addr |= (1 << 31); 1436 tf |= MPI_SGE_FLAGS_LOCAL_ADDRESS; 1437 } 1438 se->Address.High = htole32(addr); 1439 } 1440 if (seg == first_lim - 1) { 1441 tf |= MPI_SGE_FLAGS_LAST_ELEMENT; 1442 } 1443 if (seg == nseg - 1) { 1444 tf |= MPI_SGE_FLAGS_END_OF_LIST | 1445 MPI_SGE_FLAGS_END_OF_BUFFER; 1446 } 1447 MPI_pSGE_SET_FLAGS(se, tf); 1448 se->FlagsLength = htole32(se->FlagsLength); 1449 } 1450 1451 if (seg == nseg) { 1452 goto out; 1453 } 1454 1455 /* 1456 * Tell the IOC where to find the first chain element. 1457 */ 1458 hdrp->ChainOffset = ((char *)se - (char *)hdrp) >> 2; 1459 nxt_off = MPT_RQSL(mpt); 1460 trq = req; 1461 1462 /* 1463 * Make up the rest of the data segments out of a chain element 1464 * (contained in the current request frame) which points to 1465 * SIMPLE64 elements in the next request frame, possibly ending 1466 * with *another* chain element (if there's more). 1467 */ 1468 while (seg < nseg) { 1469 /* 1470 * Point to the chain descriptor. Note that the chain 1471 * descriptor is at the end of the *previous* list (whether 1472 * chain or simple). 1473 */ 1474 ce = (SGE_CHAIN64 *) se; 1475 1476 /* 1477 * Before we change our current pointer, make sure we won't 1478 * overflow the request area with this frame. Note that we 1479 * test against 'greater than' here as it's okay in this case 1480 * to have next offset be just outside the request area. 1481 */ 1482 if ((nxt_off + MPT_RQSL(mpt)) > MPT_REQUEST_AREA) { 1483 nxt_off = MPT_REQUEST_AREA; 1484 goto next_chain; 1485 } 1486 1487 /* 1488 * Set our SGE element pointer to the beginning of the chain 1489 * list and update our next chain list offset. 1490 */ 1491 se = (SGE_SIMPLE64 *) &mpt_off[nxt_off]; 1492 cur_off = nxt_off; 1493 nxt_off += MPT_RQSL(mpt); 1494 1495 /* 1496 * Now initialize the chain descriptor. 1497 */ 1498 memset(ce, 0, sizeof (*ce)); 1499 1500 /* 1501 * Get the physical address of the chain list. 1502 */ 1503 chain_list_addr = trq->req_pbuf; 1504 chain_list_addr += cur_off; 1505 if (sizeof (bus_addr_t) > 4) { 1506 ce->Address.High = 1507 htole32(((uint64_t)chain_list_addr) >> 32); 1508 } 1509 ce->Address.Low = htole32(chain_list_addr & 0xffffffff); 1510 ce->Flags = MPI_SGE_FLAGS_CHAIN_ELEMENT | 1511 MPI_SGE_FLAGS_64_BIT_ADDRESSING; 1512 1513 /* 1514 * If we have more than a frame's worth of segments left, 1515 * set up the chain list to have the last element be another 1516 * chain descriptor. 1517 */ 1518 if ((nseg - seg) > MPT_NSGL(mpt)) { 1519 this_seg_lim = seg + MPT_NSGL(mpt) - 1; 1520 /* 1521 * The length of the chain is the length in bytes of the 1522 * number of segments plus the next chain element. 1523 * 1524 * The next chain descriptor offset is the length, 1525 * in words, of the number of segments. 1526 */ 1527 ce->Length = (this_seg_lim - seg) * 1528 sizeof (SGE_SIMPLE64); 1529 ce->NextChainOffset = ce->Length >> 2; 1530 ce->Length += sizeof (SGE_CHAIN64); 1531 } else { 1532 this_seg_lim = nseg; 1533 ce->Length = (this_seg_lim - seg) * 1534 sizeof (SGE_SIMPLE64); 1535 } 1536 ce->Length = htole16(ce->Length); 1537 1538 /* 1539 * Fill in the chain list SGE elements with our segment data. 1540 * 1541 * If we're the last element in this chain list, set the last 1542 * element flag. If we're the completely last element period, 1543 * set the end of list and end of buffer flags. 1544 */ 1545 while (seg < this_seg_lim) { 1546 tf = flags; 1547 memset(se, 0, sizeof (*se)); 1548 MPI_pSGE_SET_LENGTH(se, dm_segs->ds_len); 1549 se->Address.Low = htole32(dm_segs->ds_addr & 1550 0xffffffff); 1551 if (sizeof (bus_addr_t) > 4) { 1552 addr = ((uint64_t)dm_segs->ds_addr) >> 32; 1553 /* SAS1078 36GB limitation WAR */ 1554 if (mpt->is_1078 && 1555 (((uint64_t)dm_segs->ds_addr + 1556 MPI_SGE_LENGTH(se->FlagsLength)) >> 1557 32) == 9) { 1558 addr |= (1 << 31); 1559 tf |= MPI_SGE_FLAGS_LOCAL_ADDRESS; 1560 } 1561 se->Address.High = htole32(addr); 1562 } 1563 if (seg == this_seg_lim - 1) { 1564 tf |= MPI_SGE_FLAGS_LAST_ELEMENT; 1565 } 1566 if (seg == nseg - 1) { 1567 tf |= MPI_SGE_FLAGS_END_OF_LIST | 1568 MPI_SGE_FLAGS_END_OF_BUFFER; 1569 } 1570 MPI_pSGE_SET_FLAGS(se, tf); 1571 se->FlagsLength = htole32(se->FlagsLength); 1572 se++; 1573 seg++; 1574 dm_segs++; 1575 } 1576 1577 next_chain: 1578 /* 1579 * If we have more segments to do and we've used up all of 1580 * the space in a request area, go allocate another one 1581 * and chain to that. 1582 */ 1583 if (seg < nseg && nxt_off >= MPT_REQUEST_AREA) { 1584 request_t *nrq; 1585 1586 CAMLOCK_2_MPTLOCK(mpt); 1587 nrq = mpt_get_request(mpt, FALSE); 1588 MPTLOCK_2_CAMLOCK(mpt); 1589 1590 if (nrq == NULL) { 1591 error = ENOMEM; 1592 goto bad; 1593 } 1594 1595 /* 1596 * Append the new request area on the tail of our list. 1597 */ 1598 if ((trq = req->chain) == NULL) { 1599 req->chain = nrq; 1600 } else { 1601 while (trq->chain != NULL) { 1602 trq = trq->chain; 1603 } 1604 trq->chain = nrq; 1605 } 1606 trq = nrq; 1607 mpt_off = trq->req_vbuf; 1608 if (mpt->verbose >= MPT_PRT_DEBUG) { 1609 memset(mpt_off, 0xff, MPT_REQUEST_AREA); 1610 } 1611 nxt_off = 0; 1612 } 1613 } 1614 out: 1615 1616 /* 1617 * Last time we need to check if this CCB needs to be aborted. 1618 */ 1619 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_INPROG) { 1620 if (hdrp->Function == MPI_FUNCTION_TARGET_ASSIST) { 1621 request_t *cmd_req = 1622 MPT_TAG_2_REQ(mpt, ccb->csio.tag_id); 1623 MPT_TGT_STATE(mpt, cmd_req)->state = TGT_STATE_IN_CAM; 1624 MPT_TGT_STATE(mpt, cmd_req)->ccb = NULL; 1625 MPT_TGT_STATE(mpt, cmd_req)->req = NULL; 1626 } 1627 mpt_prt(mpt, 1628 "mpt_execute_req_a64: I/O cancelled (status 0x%x)\n", 1629 ccb->ccb_h.status & CAM_STATUS_MASK); 1630 if (nseg && (ccb->ccb_h.flags & CAM_SG_LIST_PHYS) == 0) { 1631 bus_dmamap_unload(mpt->buffer_dmat, req->dmap); 1632 } 1633 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 1634 KASSERT(ccb->ccb_h.status, ("zero ccb sts at %d", __LINE__)); 1635 xpt_done(ccb); 1636 CAMLOCK_2_MPTLOCK(mpt); 1637 mpt_free_request(mpt, req); 1638 MPTLOCK_2_CAMLOCK(mpt); 1639 return; 1640 } 1641 1642 ccb->ccb_h.status |= CAM_SIM_QUEUED; 1643 if (ccb->ccb_h.timeout != CAM_TIME_INFINITY) { 1644 mpt_req_timeout(req, (ccb->ccb_h.timeout * hz) / 1000, 1645 mpt_timeout, ccb); 1646 } 1647 if (mpt->verbose > MPT_PRT_DEBUG) { 1648 int nc = 0; 1649 mpt_print_request(req->req_vbuf); 1650 for (trq = req->chain; trq; trq = trq->chain) { 1651 kprintf(" Additional Chain Area %d\n", nc++); 1652 mpt_dump_sgl(trq->req_vbuf, 0); 1653 } 1654 } 1655 1656 if (hdrp->Function == MPI_FUNCTION_TARGET_ASSIST) { 1657 request_t *cmd_req = MPT_TAG_2_REQ(mpt, ccb->csio.tag_id); 1658 mpt_tgt_state_t *tgt = MPT_TGT_STATE(mpt, cmd_req); 1659 #ifdef WE_TRUST_AUTO_GOOD_STATUS 1660 if ((ccb->ccb_h.flags & CAM_SEND_STATUS) && 1661 csio->scsi_status == SCSI_STATUS_OK && tgt->resid == 0) { 1662 tgt->state = TGT_STATE_MOVING_DATA_AND_STATUS; 1663 } else { 1664 tgt->state = TGT_STATE_MOVING_DATA; 1665 } 1666 #else 1667 tgt->state = TGT_STATE_MOVING_DATA; 1668 #endif 1669 } 1670 CAMLOCK_2_MPTLOCK(mpt); 1671 mpt_send_cmd(mpt, req); 1672 MPTLOCK_2_CAMLOCK(mpt); 1673 } 1674 1675 static void 1676 mpt_execute_req(void *arg, bus_dma_segment_t *dm_segs, int nseg, int error) 1677 { 1678 request_t *req, *trq; 1679 char *mpt_off; 1680 union ccb *ccb; 1681 struct mpt_softc *mpt; 1682 int seg, first_lim; 1683 uint32_t flags, nxt_off; 1684 void *sglp = NULL; 1685 MSG_REQUEST_HEADER *hdrp; 1686 SGE_SIMPLE32 *se; 1687 SGE_CHAIN32 *ce; 1688 int istgt = 0; 1689 1690 req = (request_t *)arg; 1691 ccb = req->ccb; 1692 1693 mpt = ccb->ccb_h.ccb_mpt_ptr; 1694 req = ccb->ccb_h.ccb_req_ptr; 1695 1696 hdrp = req->req_vbuf; 1697 mpt_off = req->req_vbuf; 1698 1699 1700 if (error == 0 && ((uint32_t)nseg) >= mpt->max_seg_cnt) { 1701 error = EFBIG; 1702 } 1703 1704 if (error == 0) { 1705 switch (hdrp->Function) { 1706 case MPI_FUNCTION_SCSI_IO_REQUEST: 1707 case MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH: 1708 sglp = &((PTR_MSG_SCSI_IO_REQUEST)hdrp)->SGL; 1709 break; 1710 case MPI_FUNCTION_TARGET_ASSIST: 1711 istgt = 1; 1712 sglp = &((PTR_MSG_TARGET_ASSIST_REQUEST)hdrp)->SGL; 1713 break; 1714 default: 1715 mpt_prt(mpt, "bad fct 0x%x in mpt_execute_req\n", 1716 hdrp->Function); 1717 error = EINVAL; 1718 break; 1719 } 1720 } 1721 1722 if (error == 0 && ((uint32_t)nseg) >= mpt->max_seg_cnt) { 1723 error = EFBIG; 1724 mpt_prt(mpt, "segment count %d too large (max %u)\n", 1725 nseg, mpt->max_seg_cnt); 1726 } 1727 1728 bad: 1729 if (error != 0) { 1730 if (error != EFBIG && error != ENOMEM) { 1731 mpt_prt(mpt, "mpt_execute_req: err %d\n", error); 1732 } 1733 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INPROG) { 1734 cam_status status; 1735 mpt_freeze_ccb(ccb); 1736 if (error == EFBIG) { 1737 status = CAM_REQ_TOO_BIG; 1738 } else if (error == ENOMEM) { 1739 if (mpt->outofbeer == 0) { 1740 mpt->outofbeer = 1; 1741 xpt_freeze_simq(mpt->sim, 1); 1742 mpt_lprt(mpt, MPT_PRT_DEBUG, 1743 "FREEZEQ\n"); 1744 } 1745 status = CAM_REQUEUE_REQ; 1746 } else { 1747 status = CAM_REQ_CMP_ERR; 1748 } 1749 mpt_set_ccb_status(ccb, status); 1750 } 1751 if (hdrp->Function == MPI_FUNCTION_TARGET_ASSIST) { 1752 request_t *cmd_req = 1753 MPT_TAG_2_REQ(mpt, ccb->csio.tag_id); 1754 MPT_TGT_STATE(mpt, cmd_req)->state = TGT_STATE_IN_CAM; 1755 MPT_TGT_STATE(mpt, cmd_req)->ccb = NULL; 1756 MPT_TGT_STATE(mpt, cmd_req)->req = NULL; 1757 } 1758 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 1759 KASSERT(ccb->ccb_h.status, ("zero ccb sts at %d", __LINE__)); 1760 xpt_done(ccb); 1761 CAMLOCK_2_MPTLOCK(mpt); 1762 mpt_free_request(mpt, req); 1763 MPTLOCK_2_CAMLOCK(mpt); 1764 return; 1765 } 1766 1767 /* 1768 * No data to transfer? 1769 * Just make a single simple SGL with zero length. 1770 */ 1771 1772 if (mpt->verbose >= MPT_PRT_DEBUG) { 1773 int tidx = ((char *)sglp) - mpt_off; 1774 memset(&mpt_off[tidx], 0xff, MPT_REQUEST_AREA - tidx); 1775 } 1776 1777 if (nseg == 0) { 1778 SGE_SIMPLE32 *se1 = (SGE_SIMPLE32 *) sglp; 1779 MPI_pSGE_SET_FLAGS(se1, 1780 (MPI_SGE_FLAGS_LAST_ELEMENT | MPI_SGE_FLAGS_END_OF_BUFFER | 1781 MPI_SGE_FLAGS_SIMPLE_ELEMENT | MPI_SGE_FLAGS_END_OF_LIST)); 1782 se1->FlagsLength = htole32(se1->FlagsLength); 1783 goto out; 1784 } 1785 1786 1787 flags = MPI_SGE_FLAGS_SIMPLE_ELEMENT; 1788 if (istgt == 0) { 1789 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_OUT) { 1790 flags |= MPI_SGE_FLAGS_HOST_TO_IOC; 1791 } 1792 } else { 1793 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 1794 flags |= MPI_SGE_FLAGS_HOST_TO_IOC; 1795 } 1796 } 1797 1798 if (!(ccb->ccb_h.flags & (CAM_SG_LIST_PHYS|CAM_DATA_PHYS))) { 1799 bus_dmasync_op_t op; 1800 if (istgt) { 1801 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 1802 op = BUS_DMASYNC_PREREAD; 1803 } else { 1804 op = BUS_DMASYNC_PREWRITE; 1805 } 1806 } else { 1807 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 1808 op = BUS_DMASYNC_PREWRITE; 1809 } else { 1810 op = BUS_DMASYNC_PREREAD; 1811 } 1812 } 1813 bus_dmamap_sync(mpt->buffer_dmat, req->dmap, op); 1814 } 1815 1816 /* 1817 * Okay, fill in what we can at the end of the command frame. 1818 * If we have up to MPT_NSGL_FIRST, we can fit them all into 1819 * the command frame. 1820 * 1821 * Otherwise, we fill up through MPT_NSGL_FIRST less one 1822 * SIMPLE32 pointers and start doing CHAIN32 entries after 1823 * that. 1824 */ 1825 1826 if (nseg < MPT_NSGL_FIRST(mpt)) { 1827 first_lim = nseg; 1828 } else { 1829 /* 1830 * Leave room for CHAIN element 1831 */ 1832 first_lim = MPT_NSGL_FIRST(mpt) - 1; 1833 } 1834 1835 se = (SGE_SIMPLE32 *) sglp; 1836 for (seg = 0; seg < first_lim; seg++, se++, dm_segs++) { 1837 uint32_t tf; 1838 1839 memset(se, 0,sizeof (*se)); 1840 se->Address = htole32(dm_segs->ds_addr); 1841 1842 MPI_pSGE_SET_LENGTH(se, dm_segs->ds_len); 1843 tf = flags; 1844 if (seg == first_lim - 1) { 1845 tf |= MPI_SGE_FLAGS_LAST_ELEMENT; 1846 } 1847 if (seg == nseg - 1) { 1848 tf |= MPI_SGE_FLAGS_END_OF_LIST | 1849 MPI_SGE_FLAGS_END_OF_BUFFER; 1850 } 1851 MPI_pSGE_SET_FLAGS(se, tf); 1852 se->FlagsLength = htole32(se->FlagsLength); 1853 } 1854 1855 if (seg == nseg) { 1856 goto out; 1857 } 1858 1859 /* 1860 * Tell the IOC where to find the first chain element. 1861 */ 1862 hdrp->ChainOffset = ((char *)se - (char *)hdrp) >> 2; 1863 nxt_off = MPT_RQSL(mpt); 1864 trq = req; 1865 1866 /* 1867 * Make up the rest of the data segments out of a chain element 1868 * (contained in the current request frame) which points to 1869 * SIMPLE32 elements in the next request frame, possibly ending 1870 * with *another* chain element (if there's more). 1871 */ 1872 while (seg < nseg) { 1873 int this_seg_lim; 1874 uint32_t tf, cur_off; 1875 bus_addr_t chain_list_addr; 1876 1877 /* 1878 * Point to the chain descriptor. Note that the chain 1879 * descriptor is at the end of the *previous* list (whether 1880 * chain or simple). 1881 */ 1882 ce = (SGE_CHAIN32 *) se; 1883 1884 /* 1885 * Before we change our current pointer, make sure we won't 1886 * overflow the request area with this frame. Note that we 1887 * test against 'greater than' here as it's okay in this case 1888 * to have next offset be just outside the request area. 1889 */ 1890 if ((nxt_off + MPT_RQSL(mpt)) > MPT_REQUEST_AREA) { 1891 nxt_off = MPT_REQUEST_AREA; 1892 goto next_chain; 1893 } 1894 1895 /* 1896 * Set our SGE element pointer to the beginning of the chain 1897 * list and update our next chain list offset. 1898 */ 1899 se = (SGE_SIMPLE32 *) &mpt_off[nxt_off]; 1900 cur_off = nxt_off; 1901 nxt_off += MPT_RQSL(mpt); 1902 1903 /* 1904 * Now initialize the chain descriptor. 1905 */ 1906 memset(ce, 0, sizeof (*ce)); 1907 1908 /* 1909 * Get the physical address of the chain list. 1910 */ 1911 chain_list_addr = trq->req_pbuf; 1912 chain_list_addr += cur_off; 1913 1914 1915 1916 ce->Address = htole32(chain_list_addr); 1917 ce->Flags = MPI_SGE_FLAGS_CHAIN_ELEMENT; 1918 1919 1920 /* 1921 * If we have more than a frame's worth of segments left, 1922 * set up the chain list to have the last element be another 1923 * chain descriptor. 1924 */ 1925 if ((nseg - seg) > MPT_NSGL(mpt)) { 1926 this_seg_lim = seg + MPT_NSGL(mpt) - 1; 1927 /* 1928 * The length of the chain is the length in bytes of the 1929 * number of segments plus the next chain element. 1930 * 1931 * The next chain descriptor offset is the length, 1932 * in words, of the number of segments. 1933 */ 1934 ce->Length = (this_seg_lim - seg) * 1935 sizeof (SGE_SIMPLE32); 1936 ce->NextChainOffset = ce->Length >> 2; 1937 ce->Length += sizeof (SGE_CHAIN32); 1938 } else { 1939 this_seg_lim = nseg; 1940 ce->Length = (this_seg_lim - seg) * 1941 sizeof (SGE_SIMPLE32); 1942 } 1943 ce->Length = htole16(ce->Length); 1944 1945 /* 1946 * Fill in the chain list SGE elements with our segment data. 1947 * 1948 * If we're the last element in this chain list, set the last 1949 * element flag. If we're the completely last element period, 1950 * set the end of list and end of buffer flags. 1951 */ 1952 while (seg < this_seg_lim) { 1953 memset(se, 0, sizeof (*se)); 1954 se->Address = htole32(dm_segs->ds_addr); 1955 1956 MPI_pSGE_SET_LENGTH(se, dm_segs->ds_len); 1957 tf = flags; 1958 if (seg == this_seg_lim - 1) { 1959 tf |= MPI_SGE_FLAGS_LAST_ELEMENT; 1960 } 1961 if (seg == nseg - 1) { 1962 tf |= MPI_SGE_FLAGS_END_OF_LIST | 1963 MPI_SGE_FLAGS_END_OF_BUFFER; 1964 } 1965 MPI_pSGE_SET_FLAGS(se, tf); 1966 se->FlagsLength = htole32(se->FlagsLength); 1967 se++; 1968 seg++; 1969 dm_segs++; 1970 } 1971 1972 next_chain: 1973 /* 1974 * If we have more segments to do and we've used up all of 1975 * the space in a request area, go allocate another one 1976 * and chain to that. 1977 */ 1978 if (seg < nseg && nxt_off >= MPT_REQUEST_AREA) { 1979 request_t *nrq; 1980 1981 CAMLOCK_2_MPTLOCK(mpt); 1982 nrq = mpt_get_request(mpt, FALSE); 1983 MPTLOCK_2_CAMLOCK(mpt); 1984 1985 if (nrq == NULL) { 1986 error = ENOMEM; 1987 goto bad; 1988 } 1989 1990 /* 1991 * Append the new request area on the tail of our list. 1992 */ 1993 if ((trq = req->chain) == NULL) { 1994 req->chain = nrq; 1995 } else { 1996 while (trq->chain != NULL) { 1997 trq = trq->chain; 1998 } 1999 trq->chain = nrq; 2000 } 2001 trq = nrq; 2002 mpt_off = trq->req_vbuf; 2003 if (mpt->verbose >= MPT_PRT_DEBUG) { 2004 memset(mpt_off, 0xff, MPT_REQUEST_AREA); 2005 } 2006 nxt_off = 0; 2007 } 2008 } 2009 out: 2010 2011 /* 2012 * Last time we need to check if this CCB needs to be aborted. 2013 */ 2014 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_INPROG) { 2015 if (hdrp->Function == MPI_FUNCTION_TARGET_ASSIST) { 2016 request_t *cmd_req = 2017 MPT_TAG_2_REQ(mpt, ccb->csio.tag_id); 2018 MPT_TGT_STATE(mpt, cmd_req)->state = TGT_STATE_IN_CAM; 2019 MPT_TGT_STATE(mpt, cmd_req)->ccb = NULL; 2020 MPT_TGT_STATE(mpt, cmd_req)->req = NULL; 2021 } 2022 mpt_prt(mpt, 2023 "mpt_execute_req: I/O cancelled (status 0x%x)\n", 2024 ccb->ccb_h.status & CAM_STATUS_MASK); 2025 if (nseg && (ccb->ccb_h.flags & CAM_SG_LIST_PHYS) == 0) { 2026 bus_dmamap_unload(mpt->buffer_dmat, req->dmap); 2027 } 2028 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 2029 KASSERT(ccb->ccb_h.status, ("zero ccb sts at %d", __LINE__)); 2030 xpt_done(ccb); 2031 CAMLOCK_2_MPTLOCK(mpt); 2032 mpt_free_request(mpt, req); 2033 MPTLOCK_2_CAMLOCK(mpt); 2034 return; 2035 } 2036 2037 ccb->ccb_h.status |= CAM_SIM_QUEUED; 2038 if (ccb->ccb_h.timeout != CAM_TIME_INFINITY) { 2039 mpt_req_timeout(req, (ccb->ccb_h.timeout * hz) / 1000, 2040 mpt_timeout, ccb); 2041 } 2042 if (mpt->verbose > MPT_PRT_DEBUG) { 2043 int nc = 0; 2044 mpt_print_request(req->req_vbuf); 2045 for (trq = req->chain; trq; trq = trq->chain) { 2046 kprintf(" Additional Chain Area %d\n", nc++); 2047 mpt_dump_sgl(trq->req_vbuf, 0); 2048 } 2049 } 2050 2051 if (hdrp->Function == MPI_FUNCTION_TARGET_ASSIST) { 2052 request_t *cmd_req = MPT_TAG_2_REQ(mpt, ccb->csio.tag_id); 2053 mpt_tgt_state_t *tgt = MPT_TGT_STATE(mpt, cmd_req); 2054 #ifdef WE_TRUST_AUTO_GOOD_STATUS 2055 if ((ccb->ccb_h.flags & CAM_SEND_STATUS) && 2056 csio->scsi_status == SCSI_STATUS_OK && tgt->resid == 0) { 2057 tgt->state = TGT_STATE_MOVING_DATA_AND_STATUS; 2058 } else { 2059 tgt->state = TGT_STATE_MOVING_DATA; 2060 } 2061 #else 2062 tgt->state = TGT_STATE_MOVING_DATA; 2063 #endif 2064 } 2065 CAMLOCK_2_MPTLOCK(mpt); 2066 mpt_send_cmd(mpt, req); 2067 MPTLOCK_2_CAMLOCK(mpt); 2068 } 2069 2070 static void 2071 mpt_start(struct cam_sim *sim, union ccb *ccb) 2072 { 2073 request_t *req; 2074 struct mpt_softc *mpt; 2075 MSG_SCSI_IO_REQUEST *mpt_req; 2076 struct ccb_scsiio *csio = &ccb->csio; 2077 struct ccb_hdr *ccbh = &ccb->ccb_h; 2078 bus_dmamap_callback_t *cb; 2079 target_id_t tgt; 2080 int raid_passthru; 2081 2082 /* Get the pointer for the physical addapter */ 2083 mpt = ccb->ccb_h.ccb_mpt_ptr; 2084 raid_passthru = (sim == mpt->phydisk_sim); 2085 2086 CAMLOCK_2_MPTLOCK(mpt); 2087 if ((req = mpt_get_request(mpt, FALSE)) == NULL) { 2088 if (mpt->outofbeer == 0) { 2089 mpt->outofbeer = 1; 2090 xpt_freeze_simq(mpt->sim, 1); 2091 mpt_lprt(mpt, MPT_PRT_DEBUG, "FREEZEQ\n"); 2092 } 2093 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 2094 mpt_set_ccb_status(ccb, CAM_REQUEUE_REQ); 2095 MPTLOCK_2_CAMLOCK(mpt); 2096 xpt_done(ccb); 2097 return; 2098 } 2099 #ifdef INVARIANTS 2100 mpt_req_not_spcl(mpt, req, "mpt_start", __LINE__); 2101 #endif 2102 MPTLOCK_2_CAMLOCK(mpt); 2103 2104 if (sizeof (bus_addr_t) > 4) { 2105 cb = mpt_execute_req_a64; 2106 } else { 2107 cb = mpt_execute_req; 2108 } 2109 2110 /* 2111 * Link the ccb and the request structure so we can find 2112 * the other knowing either the request or the ccb 2113 */ 2114 req->ccb = ccb; 2115 ccb->ccb_h.ccb_req_ptr = req; 2116 2117 /* Now we build the command for the IOC */ 2118 mpt_req = req->req_vbuf; 2119 memset(mpt_req, 0, sizeof (MSG_SCSI_IO_REQUEST)); 2120 2121 mpt_req->Function = MPI_FUNCTION_SCSI_IO_REQUEST; 2122 if (raid_passthru) { 2123 mpt_req->Function = MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH; 2124 CAMLOCK_2_MPTLOCK(mpt); 2125 if (mpt_map_physdisk(mpt, ccb, &tgt) != 0) { 2126 MPTLOCK_2_CAMLOCK(mpt); 2127 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 2128 mpt_set_ccb_status(ccb, CAM_DEV_NOT_THERE); 2129 xpt_done(ccb); 2130 return; 2131 } 2132 MPTLOCK_2_CAMLOCK(mpt); 2133 mpt_req->Bus = 0; /* we never set bus here */ 2134 } else { 2135 tgt = ccb->ccb_h.target_id; 2136 mpt_req->Bus = 0; /* XXX */ 2137 2138 } 2139 mpt_req->SenseBufferLength = 2140 (csio->sense_len < MPT_SENSE_SIZE) ? 2141 csio->sense_len : MPT_SENSE_SIZE; 2142 2143 /* 2144 * We use the message context to find the request structure when we 2145 * Get the command completion interrupt from the IOC. 2146 */ 2147 mpt_req->MsgContext = htole32(req->index | scsi_io_handler_id); 2148 2149 /* Which physical device to do the I/O on */ 2150 mpt_req->TargetID = tgt; 2151 2152 /* We assume a single level LUN type */ 2153 if (ccb->ccb_h.target_lun >= MPT_MAX_LUNS) { 2154 mpt_req->LUN[0] = 0x40 | ((ccb->ccb_h.target_lun >> 8) & 0x3f); 2155 mpt_req->LUN[1] = ccb->ccb_h.target_lun & 0xff; 2156 } else { 2157 mpt_req->LUN[1] = ccb->ccb_h.target_lun; 2158 } 2159 2160 /* Set the direction of the transfer */ 2161 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 2162 mpt_req->Control = MPI_SCSIIO_CONTROL_READ; 2163 } else if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_OUT) { 2164 mpt_req->Control = MPI_SCSIIO_CONTROL_WRITE; 2165 } else { 2166 mpt_req->Control = MPI_SCSIIO_CONTROL_NODATATRANSFER; 2167 } 2168 2169 if ((ccb->ccb_h.flags & CAM_TAG_ACTION_VALID) != 0) { 2170 switch(ccb->csio.tag_action) { 2171 case MSG_HEAD_OF_Q_TAG: 2172 mpt_req->Control |= MPI_SCSIIO_CONTROL_HEADOFQ; 2173 break; 2174 case MSG_ACA_TASK: 2175 mpt_req->Control |= MPI_SCSIIO_CONTROL_ACAQ; 2176 break; 2177 case MSG_ORDERED_Q_TAG: 2178 mpt_req->Control |= MPI_SCSIIO_CONTROL_ORDEREDQ; 2179 break; 2180 case MSG_SIMPLE_Q_TAG: 2181 default: 2182 mpt_req->Control |= MPI_SCSIIO_CONTROL_SIMPLEQ; 2183 break; 2184 } 2185 } else { 2186 if (mpt->is_fc || mpt->is_sas) { 2187 mpt_req->Control |= MPI_SCSIIO_CONTROL_SIMPLEQ; 2188 } else { 2189 /* XXX No such thing for a target doing packetized. */ 2190 mpt_req->Control |= MPI_SCSIIO_CONTROL_UNTAGGED; 2191 } 2192 } 2193 2194 if (mpt->is_spi) { 2195 if (ccb->ccb_h.flags & CAM_DIS_DISCONNECT) { 2196 mpt_req->Control |= MPI_SCSIIO_CONTROL_NO_DISCONNECT; 2197 } 2198 } 2199 mpt_req->Control = htole32(mpt_req->Control); 2200 2201 /* Copy the scsi command block into place */ 2202 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0) { 2203 bcopy(csio->cdb_io.cdb_ptr, mpt_req->CDB, csio->cdb_len); 2204 } else { 2205 bcopy(csio->cdb_io.cdb_bytes, mpt_req->CDB, csio->cdb_len); 2206 } 2207 2208 mpt_req->CDBLength = csio->cdb_len; 2209 mpt_req->DataLength = htole32(csio->dxfer_len); 2210 mpt_req->SenseBufferLowAddr = htole32(req->sense_pbuf); 2211 2212 /* 2213 * Do a *short* print here if we're set to MPT_PRT_DEBUG 2214 */ 2215 if (mpt->verbose == MPT_PRT_DEBUG) { 2216 U32 df; 2217 mpt_prt(mpt, "mpt_start: %s op 0x%x ", 2218 (mpt_req->Function == MPI_FUNCTION_SCSI_IO_REQUEST)? 2219 "SCSI_IO_REQUEST" : "SCSI_IO_PASSTHRU", mpt_req->CDB[0]); 2220 df = mpt_req->Control & MPI_SCSIIO_CONTROL_DATADIRECTION_MASK; 2221 if (df != MPI_SCSIIO_CONTROL_NODATATRANSFER) { 2222 mpt_prtc(mpt, "(%s %u byte%s ", 2223 (df == MPI_SCSIIO_CONTROL_READ)? 2224 "read" : "write", csio->dxfer_len, 2225 (csio->dxfer_len == 1)? ")" : "s)"); 2226 } 2227 mpt_prtc(mpt, "tgt %u lun %u req %p:%u\n", tgt, 2228 ccb->ccb_h.target_lun, req, req->serno); 2229 } 2230 2231 /* 2232 * If we have any data to send with this command map it into bus space. 2233 */ 2234 if ((ccbh->flags & CAM_DIR_MASK) != CAM_DIR_NONE) { 2235 if ((ccbh->flags & CAM_SCATTER_VALID) == 0) { 2236 /* 2237 * We've been given a pointer to a single buffer. 2238 */ 2239 if ((ccbh->flags & CAM_DATA_PHYS) == 0) { 2240 /* 2241 * Virtual address that needs to translated into 2242 * one or more physical address ranges. 2243 */ 2244 int error; 2245 crit_enter(); 2246 error = bus_dmamap_load(mpt->buffer_dmat, 2247 req->dmap, csio->data_ptr, csio->dxfer_len, 2248 cb, req, 0); 2249 crit_exit(); 2250 if (error == EINPROGRESS) { 2251 /* 2252 * So as to maintain ordering, 2253 * freeze the controller queue 2254 * until our mapping is 2255 * returned. 2256 */ 2257 xpt_freeze_simq(mpt->sim, 1); 2258 ccbh->status |= CAM_RELEASE_SIMQ; 2259 } 2260 } else { 2261 /* 2262 * We have been given a pointer to single 2263 * physical buffer. 2264 */ 2265 struct bus_dma_segment seg; 2266 seg.ds_addr = 2267 (bus_addr_t)(vm_offset_t)csio->data_ptr; 2268 seg.ds_len = csio->dxfer_len; 2269 (*cb)(req, &seg, 1, 0); 2270 } 2271 } else { 2272 /* 2273 * We have been given a list of addresses. 2274 * This case could be easily supported but they are not 2275 * currently generated by the CAM subsystem so there 2276 * is no point in wasting the time right now. 2277 */ 2278 struct bus_dma_segment *segs; 2279 if ((ccbh->flags & CAM_SG_LIST_PHYS) == 0) { 2280 (*cb)(req, NULL, 0, EFAULT); 2281 } else { 2282 /* Just use the segments provided */ 2283 segs = (struct bus_dma_segment *)csio->data_ptr; 2284 (*cb)(req, segs, csio->sglist_cnt, 0); 2285 } 2286 } 2287 } else { 2288 (*cb)(req, NULL, 0, 0); 2289 } 2290 } 2291 2292 static int 2293 mpt_bus_reset(struct mpt_softc *mpt, target_id_t tgt, lun_id_t lun, 2294 int sleep_ok) 2295 { 2296 int error; 2297 uint16_t status; 2298 uint8_t response; 2299 2300 error = mpt_scsi_send_tmf(mpt, 2301 (tgt != CAM_TARGET_WILDCARD || lun != CAM_LUN_WILDCARD) ? 2302 MPI_SCSITASKMGMT_TASKTYPE_TARGET_RESET : 2303 MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS, 2304 mpt->is_fc ? MPI_SCSITASKMGMT_MSGFLAGS_LIP_RESET_OPTION : 0, 2305 0, /* XXX How do I get the channel ID? */ 2306 tgt != CAM_TARGET_WILDCARD ? tgt : 0, 2307 lun != CAM_LUN_WILDCARD ? lun : 0, 2308 0, sleep_ok); 2309 2310 if (error != 0) { 2311 /* 2312 * mpt_scsi_send_tmf hard resets on failure, so no 2313 * need to do so here. 2314 */ 2315 mpt_prt(mpt, 2316 "mpt_bus_reset: mpt_scsi_send_tmf returned %d\n", error); 2317 return (EIO); 2318 } 2319 2320 /* Wait for bus reset to be processed by the IOC. */ 2321 error = mpt_wait_req(mpt, mpt->tmf_req, REQ_STATE_DONE, 2322 REQ_STATE_DONE, sleep_ok, 5000); 2323 2324 status = le16toh(mpt->tmf_req->IOCStatus); 2325 response = mpt->tmf_req->ResponseCode; 2326 mpt->tmf_req->state = REQ_STATE_FREE; 2327 2328 if (error) { 2329 mpt_prt(mpt, "mpt_bus_reset: Reset timed-out. " 2330 "Resetting controller.\n"); 2331 mpt_reset(mpt, TRUE); 2332 return (ETIMEDOUT); 2333 } 2334 2335 if ((status & MPI_IOCSTATUS_MASK) != MPI_IOCSTATUS_SUCCESS) { 2336 mpt_prt(mpt, "mpt_bus_reset: TMF IOC Status 0x%x. " 2337 "Resetting controller.\n", status); 2338 mpt_reset(mpt, TRUE); 2339 return (EIO); 2340 } 2341 2342 if (response != MPI_SCSITASKMGMT_RSP_TM_SUCCEEDED && 2343 response != MPI_SCSITASKMGMT_RSP_TM_COMPLETE) { 2344 mpt_prt(mpt, "mpt_bus_reset: TMF Response 0x%x. " 2345 "Resetting controller.\n", response); 2346 mpt_reset(mpt, TRUE); 2347 return (EIO); 2348 } 2349 return (0); 2350 } 2351 2352 static int 2353 mpt_fc_reset_link(struct mpt_softc *mpt, int dowait) 2354 { 2355 int r = 0; 2356 request_t *req; 2357 PTR_MSG_FC_PRIMITIVE_SEND_REQUEST fc; 2358 2359 req = mpt_get_request(mpt, FALSE); 2360 if (req == NULL) { 2361 return (ENOMEM); 2362 } 2363 fc = req->req_vbuf; 2364 memset(fc, 0, sizeof(*fc)); 2365 fc->SendFlags = MPI_FC_PRIM_SEND_FLAGS_RESET_LINK; 2366 fc->Function = MPI_FUNCTION_FC_PRIMITIVE_SEND; 2367 fc->MsgContext = htole32(req->index | fc_els_handler_id); 2368 mpt_send_cmd(mpt, req); 2369 if (dowait) { 2370 r = mpt_wait_req(mpt, req, REQ_STATE_DONE, 2371 REQ_STATE_DONE, FALSE, 60 * 1000); 2372 if (r == 0) { 2373 mpt_free_request(mpt, req); 2374 } 2375 } 2376 return (r); 2377 } 2378 2379 static void 2380 mpt_cam_rescan_callback(struct cam_periph *periph, union ccb *ccb) 2381 { 2382 xpt_free_path(ccb->ccb_h.path); 2383 kfree(ccb, M_TEMP); 2384 } 2385 2386 static int 2387 mpt_cam_event(struct mpt_softc *mpt, request_t *req, 2388 MSG_EVENT_NOTIFY_REPLY *msg) 2389 { 2390 uint32_t data0, data1; 2391 2392 data0 = le32toh(msg->Data[0]); 2393 data1 = le32toh(msg->Data[1]); 2394 switch(msg->Event & 0xFF) { 2395 case MPI_EVENT_UNIT_ATTENTION: 2396 mpt_prt(mpt, "UNIT ATTENTION: Bus: 0x%02x TargetID: 0x%02x\n", 2397 (data0 >> 8) & 0xff, data0 & 0xff); 2398 break; 2399 2400 case MPI_EVENT_IOC_BUS_RESET: 2401 /* We generated a bus reset */ 2402 mpt_prt(mpt, "IOC Generated Bus Reset Port: %d\n", 2403 (data0 >> 8) & 0xff); 2404 xpt_async(AC_BUS_RESET, mpt->path, NULL); 2405 break; 2406 2407 case MPI_EVENT_EXT_BUS_RESET: 2408 /* Someone else generated a bus reset */ 2409 mpt_prt(mpt, "External Bus Reset Detected\n"); 2410 /* 2411 * These replies don't return EventData like the MPI 2412 * spec says they do 2413 */ 2414 xpt_async(AC_BUS_RESET, mpt->path, NULL); 2415 break; 2416 2417 case MPI_EVENT_RESCAN: 2418 { 2419 union ccb *ccb; 2420 uint32_t pathid; 2421 /* 2422 * In general this means a device has been added to the loop. 2423 */ 2424 mpt_prt(mpt, "Rescan Port: %d\n", (data0 >> 8) & 0xff); 2425 if (mpt->ready == 0) { 2426 break; 2427 } 2428 if (mpt->phydisk_sim) { 2429 pathid = cam_sim_path(mpt->phydisk_sim); 2430 } else { 2431 pathid = cam_sim_path(mpt->sim); 2432 } 2433 MPTLOCK_2_CAMLOCK(mpt); 2434 /* 2435 * Allocate a CCB, create a wildcard path for this bus, 2436 * and schedule a rescan. 2437 */ 2438 ccb = kmalloc(sizeof(union ccb), M_TEMP, M_WAITOK | M_ZERO); 2439 2440 if (xpt_create_path(&ccb->ccb_h.path, xpt_periph, pathid, 2441 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 2442 CAMLOCK_2_MPTLOCK(mpt); 2443 mpt_prt(mpt, "unable to create path for rescan\n"); 2444 kfree(ccb, M_TEMP); 2445 break; 2446 } 2447 2448 xpt_setup_ccb(&ccb->ccb_h, ccb->ccb_h.path, 5/*priority (low)*/); 2449 ccb->ccb_h.func_code = XPT_SCAN_BUS; 2450 ccb->ccb_h.cbfcnp = mpt_cam_rescan_callback; 2451 ccb->crcn.flags = CAM_FLAG_NONE; 2452 xpt_action(ccb); 2453 2454 /* scan is now in progress */ 2455 2456 CAMLOCK_2_MPTLOCK(mpt); 2457 break; 2458 } 2459 case MPI_EVENT_LINK_STATUS_CHANGE: 2460 mpt_prt(mpt, "Port %d: LinkState: %s\n", 2461 (data1 >> 8) & 0xff, 2462 ((data0 & 0xff) == 0)? "Failed" : "Active"); 2463 break; 2464 2465 case MPI_EVENT_LOOP_STATE_CHANGE: 2466 switch ((data0 >> 16) & 0xff) { 2467 case 0x01: 2468 mpt_prt(mpt, 2469 "Port 0x%x: FC LinkEvent: LIP(%02x,%02x) " 2470 "(Loop Initialization)\n", 2471 (data1 >> 8) & 0xff, 2472 (data0 >> 8) & 0xff, 2473 (data0 ) & 0xff); 2474 switch ((data0 >> 8) & 0xff) { 2475 case 0xF7: 2476 if ((data0 & 0xff) == 0xF7) { 2477 mpt_prt(mpt, "Device needs AL_PA\n"); 2478 } else { 2479 mpt_prt(mpt, "Device %02x doesn't like " 2480 "FC performance\n", 2481 data0 & 0xFF); 2482 } 2483 break; 2484 case 0xF8: 2485 if ((data0 & 0xff) == 0xF7) { 2486 mpt_prt(mpt, "Device had loop failure " 2487 "at its receiver prior to acquiring" 2488 " AL_PA\n"); 2489 } else { 2490 mpt_prt(mpt, "Device %02x detected loop" 2491 " failure at its receiver\n", 2492 data0 & 0xFF); 2493 } 2494 break; 2495 default: 2496 mpt_prt(mpt, "Device %02x requests that device " 2497 "%02x reset itself\n", 2498 data0 & 0xFF, 2499 (data0 >> 8) & 0xFF); 2500 break; 2501 } 2502 break; 2503 case 0x02: 2504 mpt_prt(mpt, "Port 0x%x: FC LinkEvent: " 2505 "LPE(%02x,%02x) (Loop Port Enable)\n", 2506 (data1 >> 8) & 0xff, /* Port */ 2507 (data0 >> 8) & 0xff, /* Character 3 */ 2508 (data0 ) & 0xff /* Character 4 */); 2509 break; 2510 case 0x03: 2511 mpt_prt(mpt, "Port 0x%x: FC LinkEvent: " 2512 "LPB(%02x,%02x) (Loop Port Bypass)\n", 2513 (data1 >> 8) & 0xff, /* Port */ 2514 (data0 >> 8) & 0xff, /* Character 3 */ 2515 (data0 ) & 0xff /* Character 4 */); 2516 break; 2517 default: 2518 mpt_prt(mpt, "Port 0x%x: FC LinkEvent: Unknown " 2519 "FC event (%02x %02x %02x)\n", 2520 (data1 >> 8) & 0xff, /* Port */ 2521 (data0 >> 16) & 0xff, /* Event */ 2522 (data0 >> 8) & 0xff, /* Character 3 */ 2523 (data0 ) & 0xff /* Character 4 */); 2524 } 2525 break; 2526 2527 case MPI_EVENT_LOGOUT: 2528 mpt_prt(mpt, "FC Logout Port: %d N_PortID: %02x\n", 2529 (data1 >> 8) & 0xff, data0); 2530 break; 2531 case MPI_EVENT_QUEUE_FULL: 2532 { 2533 struct cam_sim *sim; 2534 struct cam_path *tmppath; 2535 struct ccb_relsim crs; 2536 PTR_EVENT_DATA_QUEUE_FULL pqf; 2537 lun_id_t lun_id; 2538 2539 pqf = (PTR_EVENT_DATA_QUEUE_FULL)msg->Data; 2540 pqf->CurrentDepth = le16toh(pqf->CurrentDepth); 2541 mpt_prt(mpt, "QUEUE FULL EVENT: Bus 0x%02x Target 0x%02x Depth " 2542 "%d\n", pqf->Bus, pqf->TargetID, pqf->CurrentDepth); 2543 if (mpt->phydisk_sim && mpt_is_raid_member(mpt, 2544 pqf->TargetID) != 0) { 2545 sim = mpt->phydisk_sim; 2546 } else { 2547 sim = mpt->sim; 2548 } 2549 MPTLOCK_2_CAMLOCK(mpt); 2550 for (lun_id = 0; lun_id < MPT_MAX_LUNS; lun_id++) { 2551 if (xpt_create_path(&tmppath, NULL, cam_sim_path(sim), 2552 pqf->TargetID, lun_id) != CAM_REQ_CMP) { 2553 mpt_prt(mpt, "unable to create a path to send " 2554 "XPT_REL_SIMQ"); 2555 CAMLOCK_2_MPTLOCK(mpt); 2556 break; 2557 } 2558 xpt_setup_ccb(&crs.ccb_h, tmppath, 5); 2559 crs.ccb_h.func_code = XPT_REL_SIMQ; 2560 crs.ccb_h.flags = CAM_DEV_QFREEZE; 2561 crs.release_flags = RELSIM_ADJUST_OPENINGS; 2562 crs.openings = pqf->CurrentDepth - 1; 2563 xpt_action((union ccb *)&crs); 2564 if (crs.ccb_h.status != CAM_REQ_CMP) { 2565 mpt_prt(mpt, "XPT_REL_SIMQ failed\n"); 2566 } 2567 xpt_free_path(tmppath); 2568 } 2569 CAMLOCK_2_MPTLOCK(mpt); 2570 break; 2571 } 2572 case MPI_EVENT_IR_RESYNC_UPDATE: 2573 mpt_prt(mpt, "IR resync update %d completed\n", 2574 (data0 >> 16) & 0xff); 2575 break; 2576 case MPI_EVENT_SAS_DEVICE_STATUS_CHANGE: 2577 { 2578 union ccb *ccb; 2579 struct cam_sim *sim; 2580 struct cam_path *tmppath; 2581 PTR_EVENT_DATA_SAS_DEVICE_STATUS_CHANGE psdsc; 2582 2583 psdsc = (PTR_EVENT_DATA_SAS_DEVICE_STATUS_CHANGE)msg->Data; 2584 if (mpt->phydisk_sim && mpt_is_raid_member(mpt, 2585 psdsc->TargetID) != 0) 2586 sim = mpt->phydisk_sim; 2587 else 2588 sim = mpt->sim; 2589 switch(psdsc->ReasonCode) { 2590 case MPI_EVENT_SAS_DEV_STAT_RC_ADDED: 2591 MPTLOCK_2_CAMLOCK(mpt); 2592 ccb = kmalloc(sizeof(union ccb), M_TEMP, 2593 M_WAITOK | M_ZERO); 2594 if (xpt_create_path(&ccb->ccb_h.path, xpt_periph, 2595 cam_sim_path(sim), psdsc->TargetID, 2596 CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 2597 CAMLOCK_2_MPTLOCK(mpt); 2598 mpt_prt(mpt, 2599 "unable to create path for rescan\n"); 2600 kfree(ccb, M_TEMP); 2601 break; 2602 } 2603 xpt_setup_ccb(&ccb->ccb_h, ccb->ccb_h.path, 2604 5/*priority (low)*/); 2605 ccb->ccb_h.func_code = XPT_SCAN_BUS; 2606 ccb->ccb_h.cbfcnp = mpt_cam_rescan_callback; 2607 ccb->crcn.flags = CAM_FLAG_NONE; 2608 xpt_action(ccb); 2609 CAMLOCK_2_MPTLOCK(mpt); 2610 break; 2611 case MPI_EVENT_SAS_DEV_STAT_RC_NOT_RESPONDING: 2612 MPTLOCK_2_CAMLOCK(mpt); 2613 if (xpt_create_path(&tmppath, NULL, cam_sim_path(sim), 2614 psdsc->TargetID, CAM_LUN_WILDCARD) != 2615 CAM_REQ_CMP) { 2616 mpt_prt(mpt, 2617 "unable to create path for async event"); 2618 CAMLOCK_2_MPTLOCK(mpt); 2619 break; 2620 } 2621 xpt_async(AC_LOST_DEVICE, tmppath, NULL); 2622 xpt_free_path(tmppath); 2623 CAMLOCK_2_MPTLOCK(mpt); 2624 break; 2625 case MPI_EVENT_SAS_DEV_STAT_RC_CMPL_INTERNAL_DEV_RESET: 2626 case MPI_EVENT_SAS_DEV_STAT_RC_CMPL_TASK_ABORT_INTERNAL: 2627 case MPI_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET: 2628 break; 2629 default: 2630 mpt_lprt(mpt, MPT_PRT_WARN, 2631 "SAS device status change: Bus: 0x%02x TargetID: " 2632 "0x%02x ReasonCode: 0x%02x\n", psdsc->Bus, 2633 psdsc->TargetID, psdsc->ReasonCode); 2634 break; 2635 } 2636 break; 2637 } 2638 case MPI_EVENT_SAS_DISCOVERY_ERROR: 2639 { 2640 PTR_EVENT_DATA_DISCOVERY_ERROR pde; 2641 2642 pde = (PTR_EVENT_DATA_DISCOVERY_ERROR)msg->Data; 2643 pde->DiscoveryStatus = le32toh(pde->DiscoveryStatus); 2644 mpt_lprt(mpt, MPT_PRT_WARN, 2645 "SAS discovery error: Port: 0x%02x Status: 0x%08x\n", 2646 pde->Port, pde->DiscoveryStatus); 2647 break; 2648 } 2649 case MPI_EVENT_EVENT_CHANGE: 2650 case MPI_EVENT_INTEGRATED_RAID: 2651 case MPI_EVENT_IR2: 2652 case MPI_EVENT_LOG_ENTRY_ADDED: 2653 case MPI_EVENT_SAS_DISCOVERY: 2654 case MPI_EVENT_SAS_PHY_LINK_STATUS: 2655 case MPI_EVENT_SAS_SES: 2656 break; 2657 default: 2658 mpt_lprt(mpt, MPT_PRT_WARN, "mpt_cam_event: 0x%x\n", 2659 msg->Event & 0xFF); 2660 return (0); 2661 } 2662 return (1); 2663 } 2664 2665 /* 2666 * Reply path for all SCSI I/O requests, called from our 2667 * interrupt handler by extracting our handler index from 2668 * the MsgContext field of the reply from the IOC. 2669 * 2670 * This routine is optimized for the common case of a 2671 * completion without error. All exception handling is 2672 * offloaded to non-inlined helper routines to minimize 2673 * cache footprint. 2674 */ 2675 static int 2676 mpt_scsi_reply_handler(struct mpt_softc *mpt, request_t *req, 2677 uint32_t reply_desc, MSG_DEFAULT_REPLY *reply_frame) 2678 { 2679 MSG_SCSI_IO_REQUEST *scsi_req; 2680 union ccb *ccb; 2681 2682 if (req->state == REQ_STATE_FREE) { 2683 mpt_prt(mpt, "mpt_scsi_reply_handler: req already free\n"); 2684 return (TRUE); 2685 } 2686 2687 scsi_req = (MSG_SCSI_IO_REQUEST *)req->req_vbuf; 2688 ccb = req->ccb; 2689 if (ccb == NULL) { 2690 mpt_prt(mpt, "mpt_scsi_reply_handler: req %p:%u with no ccb\n", 2691 req, req->serno); 2692 return (TRUE); 2693 } 2694 2695 mpt_req_untimeout(req, mpt_timeout, ccb); 2696 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 2697 2698 if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) { 2699 bus_dmasync_op_t op; 2700 2701 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) 2702 op = BUS_DMASYNC_POSTREAD; 2703 else 2704 op = BUS_DMASYNC_POSTWRITE; 2705 bus_dmamap_sync(mpt->buffer_dmat, req->dmap, op); 2706 bus_dmamap_unload(mpt->buffer_dmat, req->dmap); 2707 } 2708 2709 if (reply_frame == NULL) { 2710 /* 2711 * Context only reply, completion without error status. 2712 */ 2713 ccb->csio.resid = 0; 2714 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 2715 ccb->csio.scsi_status = SCSI_STATUS_OK; 2716 } else { 2717 mpt_scsi_reply_frame_handler(mpt, req, reply_frame); 2718 } 2719 2720 if (mpt->outofbeer) { 2721 ccb->ccb_h.status |= CAM_RELEASE_SIMQ; 2722 mpt->outofbeer = 0; 2723 mpt_lprt(mpt, MPT_PRT_DEBUG, "THAWQ\n"); 2724 } 2725 if (scsi_req->CDB[0] == INQUIRY && (scsi_req->CDB[1] & SI_EVPD) == 0) { 2726 struct scsi_inquiry_data *iq = 2727 (struct scsi_inquiry_data *)ccb->csio.data_ptr; 2728 if (scsi_req->Function == 2729 MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH) { 2730 /* 2731 * Fake out the device type so that only the 2732 * pass-thru device will attach. 2733 */ 2734 iq->device &= ~0x1F; 2735 iq->device |= T_NODEVICE; 2736 } 2737 } 2738 if (mpt->verbose == MPT_PRT_DEBUG) { 2739 mpt_prt(mpt, "mpt_scsi_reply_handler: %p:%u complete\n", 2740 req, req->serno); 2741 } 2742 KASSERT(ccb->ccb_h.status, ("zero ccb sts at %d", __LINE__)); 2743 MPTLOCK_2_CAMLOCK(mpt); 2744 xpt_done(ccb); 2745 CAMLOCK_2_MPTLOCK(mpt); 2746 if ((req->state & REQ_STATE_TIMEDOUT) == 0) { 2747 TAILQ_REMOVE(&mpt->request_pending_list, req, links); 2748 } else { 2749 mpt_prt(mpt, "completing timedout/aborted req %p:%u\n", 2750 req, req->serno); 2751 TAILQ_REMOVE(&mpt->request_timeout_list, req, links); 2752 } 2753 KASSERT((req->state & REQ_STATE_NEED_WAKEUP) == 0, 2754 ("CCB req needed wakeup")); 2755 #ifdef INVARIANTS 2756 mpt_req_not_spcl(mpt, req, "mpt_scsi_reply_handler", __LINE__); 2757 #endif 2758 mpt_free_request(mpt, req); 2759 return (TRUE); 2760 } 2761 2762 static int 2763 mpt_scsi_tmf_reply_handler(struct mpt_softc *mpt, request_t *req, 2764 uint32_t reply_desc, MSG_DEFAULT_REPLY *reply_frame) 2765 { 2766 MSG_SCSI_TASK_MGMT_REPLY *tmf_reply; 2767 2768 KASSERT(req == mpt->tmf_req, ("TMF Reply not using mpt->tmf_req")); 2769 #ifdef INVARIANTS 2770 mpt_req_not_spcl(mpt, req, "mpt_scsi_tmf_reply_handler", __LINE__); 2771 #endif 2772 tmf_reply = (MSG_SCSI_TASK_MGMT_REPLY *)reply_frame; 2773 /* Record IOC Status and Response Code of TMF for any waiters. */ 2774 req->IOCStatus = le16toh(tmf_reply->IOCStatus); 2775 req->ResponseCode = tmf_reply->ResponseCode; 2776 2777 mpt_lprt(mpt, MPT_PRT_DEBUG, "TMF complete: req %p:%u status 0x%x\n", 2778 req, req->serno, le16toh(tmf_reply->IOCStatus)); 2779 TAILQ_REMOVE(&mpt->request_pending_list, req, links); 2780 if ((req->state & REQ_STATE_NEED_WAKEUP) != 0) { 2781 req->state |= REQ_STATE_DONE; 2782 wakeup(req); 2783 } else { 2784 mpt->tmf_req->state = REQ_STATE_FREE; 2785 } 2786 return (TRUE); 2787 } 2788 2789 /* 2790 * XXX: Move to definitions file 2791 */ 2792 #define ELS 0x22 2793 #define FC4LS 0x32 2794 #define ABTS 0x81 2795 #define BA_ACC 0x84 2796 2797 #define LS_RJT 0x01 2798 #define LS_ACC 0x02 2799 #define PLOGI 0x03 2800 #define LOGO 0x05 2801 #define SRR 0x14 2802 #define PRLI 0x20 2803 #define PRLO 0x21 2804 #define ADISC 0x52 2805 #define RSCN 0x61 2806 2807 static void 2808 mpt_fc_els_send_response(struct mpt_softc *mpt, request_t *req, 2809 PTR_MSG_LINK_SERVICE_BUFFER_POST_REPLY rp, U8 length) 2810 { 2811 uint32_t fl; 2812 MSG_LINK_SERVICE_RSP_REQUEST tmp; 2813 PTR_MSG_LINK_SERVICE_RSP_REQUEST rsp; 2814 2815 /* 2816 * We are going to reuse the ELS request to send this response back. 2817 */ 2818 rsp = &tmp; 2819 memset(rsp, 0, sizeof(*rsp)); 2820 2821 #ifdef USE_IMMEDIATE_LINK_DATA 2822 /* 2823 * Apparently the IMMEDIATE stuff doesn't seem to work. 2824 */ 2825 rsp->RspFlags = LINK_SERVICE_RSP_FLAGS_IMMEDIATE; 2826 #endif 2827 rsp->RspLength = length; 2828 rsp->Function = MPI_FUNCTION_FC_LINK_SRVC_RSP; 2829 rsp->MsgContext = htole32(req->index | fc_els_handler_id); 2830 2831 /* 2832 * Copy over information from the original reply frame to 2833 * it's correct place in the response. 2834 */ 2835 memcpy((U8 *)rsp + 0x0c, (U8 *)rp + 0x1c, 24); 2836 2837 /* 2838 * And now copy back the temporary area to the original frame. 2839 */ 2840 memcpy(req->req_vbuf, rsp, sizeof (MSG_LINK_SERVICE_RSP_REQUEST)); 2841 rsp = req->req_vbuf; 2842 2843 #ifdef USE_IMMEDIATE_LINK_DATA 2844 memcpy((U8 *)&rsp->SGL, &((U8 *)req->req_vbuf)[MPT_RQSL(mpt)], length); 2845 #else 2846 { 2847 PTR_SGE_SIMPLE32 se = (PTR_SGE_SIMPLE32) &rsp->SGL; 2848 bus_addr_t paddr = req->req_pbuf; 2849 paddr += MPT_RQSL(mpt); 2850 2851 fl = 2852 MPI_SGE_FLAGS_HOST_TO_IOC | 2853 MPI_SGE_FLAGS_SIMPLE_ELEMENT | 2854 MPI_SGE_FLAGS_LAST_ELEMENT | 2855 MPI_SGE_FLAGS_END_OF_LIST | 2856 MPI_SGE_FLAGS_END_OF_BUFFER; 2857 fl <<= MPI_SGE_FLAGS_SHIFT; 2858 fl |= (length); 2859 se->FlagsLength = htole32(fl); 2860 se->Address = htole32((uint32_t) paddr); 2861 } 2862 #endif 2863 2864 /* 2865 * Send it on... 2866 */ 2867 mpt_send_cmd(mpt, req); 2868 } 2869 2870 static int 2871 mpt_fc_els_reply_handler(struct mpt_softc *mpt, request_t *req, 2872 uint32_t reply_desc, MSG_DEFAULT_REPLY *reply_frame) 2873 { 2874 PTR_MSG_LINK_SERVICE_BUFFER_POST_REPLY rp = 2875 (PTR_MSG_LINK_SERVICE_BUFFER_POST_REPLY) reply_frame; 2876 U8 rctl; 2877 U8 type; 2878 U8 cmd; 2879 U16 status = le16toh(reply_frame->IOCStatus); 2880 U32 *elsbuf; 2881 int ioindex; 2882 int do_refresh = TRUE; 2883 2884 #ifdef INVARIANTS 2885 KASSERT(mpt_req_on_free_list(mpt, req) == 0, 2886 ("fc_els_reply_handler: req %p:%u for function %x on freelist!", 2887 req, req->serno, rp->Function)); 2888 if (rp->Function != MPI_FUNCTION_FC_PRIMITIVE_SEND) { 2889 mpt_req_spcl(mpt, req, "fc_els_reply_handler", __LINE__); 2890 } else { 2891 mpt_req_not_spcl(mpt, req, "fc_els_reply_handler", __LINE__); 2892 } 2893 #endif 2894 mpt_lprt(mpt, MPT_PRT_DEBUG, 2895 "FC_ELS Complete: req %p:%u, reply %p function %x\n", 2896 req, req->serno, reply_frame, reply_frame->Function); 2897 2898 if (status != MPI_IOCSTATUS_SUCCESS) { 2899 mpt_prt(mpt, "ELS REPLY STATUS 0x%x for Function %x\n", 2900 status, reply_frame->Function); 2901 if (status == MPI_IOCSTATUS_INVALID_STATE) { 2902 /* 2903 * XXX: to get around shutdown issue 2904 */ 2905 mpt->disabled = 1; 2906 return (TRUE); 2907 } 2908 return (TRUE); 2909 } 2910 2911 /* 2912 * If the function of a link service response, we recycle the 2913 * response to be a refresh for a new link service request. 2914 * 2915 * The request pointer is bogus in this case and we have to fetch 2916 * it based upon the TransactionContext. 2917 */ 2918 if (rp->Function == MPI_FUNCTION_FC_LINK_SRVC_RSP) { 2919 /* Freddie Uncle Charlie Katie */ 2920 /* We don't get the IOINDEX as part of the Link Svc Rsp */ 2921 for (ioindex = 0; ioindex < mpt->els_cmds_allocated; ioindex++) 2922 if (mpt->els_cmd_ptrs[ioindex] == req) { 2923 break; 2924 } 2925 2926 KASSERT(ioindex < mpt->els_cmds_allocated, 2927 ("can't find my mommie!")); 2928 2929 /* remove from active list as we're going to re-post it */ 2930 TAILQ_REMOVE(&mpt->request_pending_list, req, links); 2931 req->state &= ~REQ_STATE_QUEUED; 2932 req->state |= REQ_STATE_DONE; 2933 mpt_fc_post_els(mpt, req, ioindex); 2934 return (TRUE); 2935 } 2936 2937 if (rp->Function == MPI_FUNCTION_FC_PRIMITIVE_SEND) { 2938 /* remove from active list as we're done */ 2939 TAILQ_REMOVE(&mpt->request_pending_list, req, links); 2940 req->state &= ~REQ_STATE_QUEUED; 2941 req->state |= REQ_STATE_DONE; 2942 if (req->state & REQ_STATE_TIMEDOUT) { 2943 mpt_lprt(mpt, MPT_PRT_DEBUG, 2944 "Sync Primitive Send Completed After Timeout\n"); 2945 mpt_free_request(mpt, req); 2946 } else if ((req->state & REQ_STATE_NEED_WAKEUP) == 0) { 2947 mpt_lprt(mpt, MPT_PRT_DEBUG, 2948 "Async Primitive Send Complete\n"); 2949 mpt_free_request(mpt, req); 2950 } else { 2951 mpt_lprt(mpt, MPT_PRT_DEBUG, 2952 "Sync Primitive Send Complete- Waking Waiter\n"); 2953 wakeup(req); 2954 } 2955 return (TRUE); 2956 } 2957 2958 if (rp->Function != MPI_FUNCTION_FC_LINK_SRVC_BUF_POST) { 2959 mpt_prt(mpt, "unexpected ELS_REPLY: Function 0x%x Flags %x " 2960 "Length %d Message Flags %x\n", rp->Function, rp->Flags, 2961 rp->MsgLength, rp->MsgFlags); 2962 return (TRUE); 2963 } 2964 2965 if (rp->MsgLength <= 5) { 2966 /* 2967 * This is just a ack of an original ELS buffer post 2968 */ 2969 mpt_lprt(mpt, MPT_PRT_DEBUG, 2970 "RECV'd ACK of FC_ELS buf post %p:%u\n", req, req->serno); 2971 return (TRUE); 2972 } 2973 2974 2975 rctl = (le32toh(rp->Rctl_Did) & MPI_FC_RCTL_MASK) >> MPI_FC_RCTL_SHIFT; 2976 type = (le32toh(rp->Type_Fctl) & MPI_FC_TYPE_MASK) >> MPI_FC_TYPE_SHIFT; 2977 2978 elsbuf = &((U32 *)req->req_vbuf)[MPT_RQSL(mpt)/sizeof (U32)]; 2979 cmd = be32toh(elsbuf[0]) >> 24; 2980 2981 if (rp->Flags & MPI_LS_BUF_POST_REPLY_FLAG_NO_RSP_NEEDED) { 2982 mpt_lprt(mpt, MPT_PRT_ALWAYS, "ELS_REPLY: response unneeded\n"); 2983 return (TRUE); 2984 } 2985 2986 ioindex = le32toh(rp->TransactionContext); 2987 req = mpt->els_cmd_ptrs[ioindex]; 2988 2989 if (rctl == ELS && type == 1) { 2990 switch (cmd) { 2991 case PRLI: 2992 /* 2993 * Send back a PRLI ACC 2994 */ 2995 mpt_prt(mpt, "PRLI from 0x%08x%08x\n", 2996 le32toh(rp->Wwn.PortNameHigh), 2997 le32toh(rp->Wwn.PortNameLow)); 2998 elsbuf[0] = htobe32(0x02100014); 2999 elsbuf[1] |= htobe32(0x00000100); 3000 elsbuf[4] = htobe32(0x00000002); 3001 if (mpt->role & MPT_ROLE_TARGET) 3002 elsbuf[4] |= htobe32(0x00000010); 3003 if (mpt->role & MPT_ROLE_INITIATOR) 3004 elsbuf[4] |= htobe32(0x00000020); 3005 /* remove from active list as we're done */ 3006 TAILQ_REMOVE(&mpt->request_pending_list, req, links); 3007 req->state &= ~REQ_STATE_QUEUED; 3008 req->state |= REQ_STATE_DONE; 3009 mpt_fc_els_send_response(mpt, req, rp, 20); 3010 do_refresh = FALSE; 3011 break; 3012 case PRLO: 3013 memset(elsbuf, 0, 5 * (sizeof (U32))); 3014 elsbuf[0] = htobe32(0x02100014); 3015 elsbuf[1] = htobe32(0x08000100); 3016 mpt_prt(mpt, "PRLO from 0x%08x%08x\n", 3017 le32toh(rp->Wwn.PortNameHigh), 3018 le32toh(rp->Wwn.PortNameLow)); 3019 /* remove from active list as we're done */ 3020 TAILQ_REMOVE(&mpt->request_pending_list, req, links); 3021 req->state &= ~REQ_STATE_QUEUED; 3022 req->state |= REQ_STATE_DONE; 3023 mpt_fc_els_send_response(mpt, req, rp, 20); 3024 do_refresh = FALSE; 3025 break; 3026 default: 3027 mpt_prt(mpt, "ELS TYPE 1 COMMAND: %x\n", cmd); 3028 break; 3029 } 3030 } else if (rctl == ABTS && type == 0) { 3031 uint16_t rx_id = le16toh(rp->Rxid); 3032 uint16_t ox_id = le16toh(rp->Oxid); 3033 request_t *tgt_req = NULL; 3034 3035 mpt_prt(mpt, 3036 "ELS: ABTS OX_ID 0x%x RX_ID 0x%x from 0x%08x%08x\n", 3037 ox_id, rx_id, le32toh(rp->Wwn.PortNameHigh), 3038 le32toh(rp->Wwn.PortNameLow)); 3039 if (rx_id >= mpt->mpt_max_tgtcmds) { 3040 mpt_prt(mpt, "Bad RX_ID 0x%x\n", rx_id); 3041 } else if (mpt->tgt_cmd_ptrs == NULL) { 3042 mpt_prt(mpt, "No TGT CMD PTRS\n"); 3043 } else { 3044 tgt_req = mpt->tgt_cmd_ptrs[rx_id]; 3045 } 3046 if (tgt_req) { 3047 mpt_tgt_state_t *tgt = MPT_TGT_STATE(mpt, tgt_req); 3048 union ccb *ccb; 3049 uint32_t ct_id; 3050 3051 /* 3052 * Check to make sure we have the correct command 3053 * The reply descriptor in the target state should 3054 * should contain an IoIndex that should match the 3055 * RX_ID. 3056 * 3057 * It'd be nice to have OX_ID to crosscheck with 3058 * as well. 3059 */ 3060 ct_id = GET_IO_INDEX(tgt->reply_desc); 3061 3062 if (ct_id != rx_id) { 3063 mpt_lprt(mpt, MPT_PRT_ERROR, "ABORT Mismatch: " 3064 "RX_ID received=0x%x; RX_ID in cmd=0x%x\n", 3065 rx_id, ct_id); 3066 goto skip; 3067 } 3068 3069 ccb = tgt->ccb; 3070 if (ccb) { 3071 mpt_prt(mpt, 3072 "CCB (%p): lun %u flags %x status %x\n", 3073 ccb, ccb->ccb_h.target_lun, 3074 ccb->ccb_h.flags, ccb->ccb_h.status); 3075 } 3076 mpt_prt(mpt, "target state 0x%x resid %u xfrd %u rpwrd " 3077 "%x nxfers %x\n", tgt->state, 3078 tgt->resid, tgt->bytes_xfered, tgt->reply_desc, 3079 tgt->nxfers); 3080 skip: 3081 if (mpt_abort_target_cmd(mpt, tgt_req)) { 3082 mpt_prt(mpt, "unable to start TargetAbort\n"); 3083 } 3084 } else { 3085 mpt_prt(mpt, "no back pointer for RX_ID 0x%x\n", rx_id); 3086 } 3087 memset(elsbuf, 0, 5 * (sizeof (U32))); 3088 elsbuf[0] = htobe32(0); 3089 elsbuf[1] = htobe32((ox_id << 16) | rx_id); 3090 elsbuf[2] = htobe32(0x000ffff); 3091 /* 3092 * Dork with the reply frame so that the response to it 3093 * will be correct. 3094 */ 3095 rp->Rctl_Did += ((BA_ACC - ABTS) << MPI_FC_RCTL_SHIFT); 3096 /* remove from active list as we're done */ 3097 TAILQ_REMOVE(&mpt->request_pending_list, req, links); 3098 req->state &= ~REQ_STATE_QUEUED; 3099 req->state |= REQ_STATE_DONE; 3100 mpt_fc_els_send_response(mpt, req, rp, 12); 3101 do_refresh = FALSE; 3102 } else { 3103 mpt_prt(mpt, "ELS: RCTL %x TYPE %x CMD %x\n", rctl, type, cmd); 3104 } 3105 if (do_refresh == TRUE) { 3106 /* remove from active list as we're done */ 3107 TAILQ_REMOVE(&mpt->request_pending_list, req, links); 3108 req->state &= ~REQ_STATE_QUEUED; 3109 req->state |= REQ_STATE_DONE; 3110 mpt_fc_post_els(mpt, req, ioindex); 3111 } 3112 return (TRUE); 3113 } 3114 3115 /* 3116 * Clean up all SCSI Initiator personality state in response 3117 * to a controller reset. 3118 */ 3119 static void 3120 mpt_cam_ioc_reset(struct mpt_softc *mpt, int type) 3121 { 3122 3123 /* 3124 * The pending list is already run down by 3125 * the generic handler. Perform the same 3126 * operation on the timed out request list. 3127 */ 3128 mpt_complete_request_chain(mpt, &mpt->request_timeout_list, 3129 MPI_IOCSTATUS_INVALID_STATE); 3130 3131 /* 3132 * XXX: We need to repost ELS and Target Command Buffers? 3133 */ 3134 3135 /* 3136 * Inform the XPT that a bus reset has occurred. 3137 */ 3138 xpt_async(AC_BUS_RESET, mpt->path, NULL); 3139 } 3140 3141 /* 3142 * Parse additional completion information in the reply 3143 * frame for SCSI I/O requests. 3144 */ 3145 static int 3146 mpt_scsi_reply_frame_handler(struct mpt_softc *mpt, request_t *req, 3147 MSG_DEFAULT_REPLY *reply_frame) 3148 { 3149 union ccb *ccb; 3150 MSG_SCSI_IO_REPLY *scsi_io_reply; 3151 u_int ioc_status; 3152 u_int sstate; 3153 3154 MPT_DUMP_REPLY_FRAME(mpt, reply_frame); 3155 KASSERT(reply_frame->Function == MPI_FUNCTION_SCSI_IO_REQUEST 3156 || reply_frame->Function == MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH, 3157 ("MPT SCSI I/O Handler called with incorrect reply type")); 3158 KASSERT((reply_frame->MsgFlags & MPI_MSGFLAGS_CONTINUATION_REPLY) == 0, 3159 ("MPT SCSI I/O Handler called with continuation reply")); 3160 3161 scsi_io_reply = (MSG_SCSI_IO_REPLY *)reply_frame; 3162 ioc_status = le16toh(scsi_io_reply->IOCStatus); 3163 ioc_status &= MPI_IOCSTATUS_MASK; 3164 sstate = scsi_io_reply->SCSIState; 3165 3166 ccb = req->ccb; 3167 ccb->csio.resid = 3168 ccb->csio.dxfer_len - le32toh(scsi_io_reply->TransferCount); 3169 3170 if ((sstate & MPI_SCSI_STATE_AUTOSENSE_VALID) != 0 3171 && (ccb->ccb_h.flags & (CAM_SENSE_PHYS | CAM_SENSE_PTR)) == 0) { 3172 uint32_t sense_returned; 3173 3174 ccb->ccb_h.status |= CAM_AUTOSNS_VALID; 3175 3176 sense_returned = le32toh(scsi_io_reply->SenseCount); 3177 if (sense_returned < ccb->csio.sense_len) 3178 ccb->csio.sense_resid = ccb->csio.sense_len - 3179 sense_returned; 3180 else 3181 ccb->csio.sense_resid = 0; 3182 3183 bzero(&ccb->csio.sense_data, sizeof(ccb->csio.sense_data)); 3184 bcopy(req->sense_vbuf, &ccb->csio.sense_data, 3185 min(ccb->csio.sense_len, sense_returned)); 3186 } 3187 3188 if ((sstate & MPI_SCSI_STATE_QUEUE_TAG_REJECTED) != 0) { 3189 /* 3190 * Tag messages rejected, but non-tagged retry 3191 * was successful. 3192 XXXX 3193 mpt_set_tags(mpt, devinfo, MPT_QUEUE_NONE); 3194 */ 3195 } 3196 3197 switch(ioc_status) { 3198 case MPI_IOCSTATUS_SCSI_RESIDUAL_MISMATCH: 3199 /* 3200 * XXX 3201 * Linux driver indicates that a zero 3202 * transfer length with this error code 3203 * indicates a CRC error. 3204 * 3205 * No need to swap the bytes for checking 3206 * against zero. 3207 */ 3208 if (scsi_io_reply->TransferCount == 0) { 3209 mpt_set_ccb_status(ccb, CAM_UNCOR_PARITY); 3210 break; 3211 } 3212 /* FALLTHROUGH */ 3213 case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN: 3214 case MPI_IOCSTATUS_SUCCESS: 3215 case MPI_IOCSTATUS_SCSI_RECOVERED_ERROR: 3216 if ((sstate & MPI_SCSI_STATE_NO_SCSI_STATUS) != 0) { 3217 /* 3218 * Status was never returned for this transaction. 3219 */ 3220 mpt_set_ccb_status(ccb, CAM_UNEXP_BUSFREE); 3221 } else if (scsi_io_reply->SCSIStatus != SCSI_STATUS_OK) { 3222 ccb->csio.scsi_status = scsi_io_reply->SCSIStatus; 3223 mpt_set_ccb_status(ccb, CAM_SCSI_STATUS_ERROR); 3224 if ((sstate & MPI_SCSI_STATE_AUTOSENSE_FAILED) != 0) 3225 mpt_set_ccb_status(ccb, CAM_AUTOSENSE_FAIL); 3226 } else if ((sstate & MPI_SCSI_STATE_RESPONSE_INFO_VALID) != 0) { 3227 3228 /* XXX Handle SPI-Packet and FCP-2 response info. */ 3229 mpt_set_ccb_status(ccb, CAM_REQ_CMP_ERR); 3230 } else 3231 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 3232 break; 3233 case MPI_IOCSTATUS_SCSI_DATA_OVERRUN: 3234 mpt_set_ccb_status(ccb, CAM_DATA_RUN_ERR); 3235 break; 3236 case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR: 3237 mpt_set_ccb_status(ccb, CAM_UNCOR_PARITY); 3238 break; 3239 case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE: 3240 /* 3241 * Since selection timeouts and "device really not 3242 * there" are grouped into this error code, report 3243 * selection timeout. Selection timeouts are 3244 * typically retried before giving up on the device 3245 * whereas "device not there" errors are considered 3246 * unretryable. 3247 */ 3248 mpt_set_ccb_status(ccb, CAM_SEL_TIMEOUT); 3249 break; 3250 case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR: 3251 mpt_set_ccb_status(ccb, CAM_SEQUENCE_FAIL); 3252 break; 3253 case MPI_IOCSTATUS_SCSI_INVALID_BUS: 3254 mpt_set_ccb_status(ccb, CAM_PATH_INVALID); 3255 break; 3256 case MPI_IOCSTATUS_SCSI_INVALID_TARGETID: 3257 mpt_set_ccb_status(ccb, CAM_TID_INVALID); 3258 break; 3259 case MPI_IOCSTATUS_SCSI_TASK_MGMT_FAILED: 3260 ccb->ccb_h.status = CAM_UA_TERMIO; 3261 break; 3262 case MPI_IOCSTATUS_INVALID_STATE: 3263 /* 3264 * The IOC has been reset. Emulate a bus reset. 3265 */ 3266 /* FALLTHROUGH */ 3267 case MPI_IOCSTATUS_SCSI_EXT_TERMINATED: 3268 ccb->ccb_h.status = CAM_SCSI_BUS_RESET; 3269 break; 3270 case MPI_IOCSTATUS_SCSI_TASK_TERMINATED: 3271 case MPI_IOCSTATUS_SCSI_IOC_TERMINATED: 3272 /* 3273 * Don't clobber any timeout status that has 3274 * already been set for this transaction. We 3275 * want the SCSI layer to be able to differentiate 3276 * between the command we aborted due to timeout 3277 * and any innocent bystanders. 3278 */ 3279 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_INPROG) 3280 break; 3281 mpt_set_ccb_status(ccb, CAM_REQ_TERMIO); 3282 break; 3283 3284 case MPI_IOCSTATUS_INSUFFICIENT_RESOURCES: 3285 mpt_set_ccb_status(ccb, CAM_RESRC_UNAVAIL); 3286 break; 3287 case MPI_IOCSTATUS_BUSY: 3288 mpt_set_ccb_status(ccb, CAM_BUSY); 3289 break; 3290 case MPI_IOCSTATUS_INVALID_FUNCTION: 3291 case MPI_IOCSTATUS_INVALID_SGL: 3292 case MPI_IOCSTATUS_INTERNAL_ERROR: 3293 case MPI_IOCSTATUS_INVALID_FIELD: 3294 default: 3295 /* XXX 3296 * Some of the above may need to kick 3297 * of a recovery action!!!! 3298 */ 3299 ccb->ccb_h.status = CAM_UNREC_HBA_ERROR; 3300 break; 3301 } 3302 3303 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 3304 mpt_freeze_ccb(ccb); 3305 } 3306 3307 return (TRUE); 3308 } 3309 3310 static void 3311 mpt_action(struct cam_sim *sim, union ccb *ccb) 3312 { 3313 struct mpt_softc *mpt; 3314 struct ccb_trans_settings *cts; 3315 target_id_t tgt; 3316 lun_id_t lun; 3317 int raid_passthru; 3318 3319 CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE, ("mpt_action\n")); 3320 3321 mpt = (struct mpt_softc *)cam_sim_softc(sim); 3322 raid_passthru = (sim == mpt->phydisk_sim); 3323 MPT_LOCK_ASSERT(mpt); 3324 3325 tgt = ccb->ccb_h.target_id; 3326 lun = ccb->ccb_h.target_lun; 3327 if (raid_passthru && 3328 ccb->ccb_h.func_code != XPT_PATH_INQ && 3329 ccb->ccb_h.func_code != XPT_RESET_BUS && 3330 ccb->ccb_h.func_code != XPT_RESET_DEV) { 3331 CAMLOCK_2_MPTLOCK(mpt); 3332 if (mpt_map_physdisk(mpt, ccb, &tgt) != 0) { 3333 MPTLOCK_2_CAMLOCK(mpt); 3334 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 3335 mpt_set_ccb_status(ccb, CAM_DEV_NOT_THERE); 3336 xpt_done(ccb); 3337 return; 3338 } 3339 MPTLOCK_2_CAMLOCK(mpt); 3340 } 3341 ccb->ccb_h.ccb_mpt_ptr = mpt; 3342 3343 switch (ccb->ccb_h.func_code) { 3344 case XPT_SCSI_IO: /* Execute the requested I/O operation */ 3345 /* 3346 * Do a couple of preliminary checks... 3347 */ 3348 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0) { 3349 if ((ccb->ccb_h.flags & CAM_CDB_PHYS) != 0) { 3350 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 3351 mpt_set_ccb_status(ccb, CAM_REQ_INVALID); 3352 break; 3353 } 3354 } 3355 /* Max supported CDB length is 16 bytes */ 3356 /* XXX Unless we implement the new 32byte message type */ 3357 if (ccb->csio.cdb_len > 3358 sizeof (((PTR_MSG_SCSI_IO_REQUEST)0)->CDB)) { 3359 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 3360 mpt_set_ccb_status(ccb, CAM_REQ_INVALID); 3361 break; 3362 } 3363 #ifdef MPT_TEST_MULTIPATH 3364 if (mpt->failure_id == ccb->ccb_h.target_id) { 3365 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 3366 mpt_set_ccb_status(ccb, CAM_SEL_TIMEOUT); 3367 break; 3368 } 3369 #endif 3370 ccb->csio.scsi_status = SCSI_STATUS_OK; 3371 mpt_start(sim, ccb); 3372 return; 3373 3374 case XPT_RESET_BUS: 3375 if (raid_passthru) { 3376 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 3377 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 3378 break; 3379 } 3380 case XPT_RESET_DEV: 3381 if (ccb->ccb_h.func_code == XPT_RESET_BUS) { 3382 if (bootverbose) { 3383 xpt_print(ccb->ccb_h.path, "reset bus\n"); 3384 } 3385 } else { 3386 xpt_print(ccb->ccb_h.path, "reset device\n"); 3387 } 3388 CAMLOCK_2_MPTLOCK(mpt); 3389 (void) mpt_bus_reset(mpt, tgt, lun, FALSE); 3390 MPTLOCK_2_CAMLOCK(mpt); 3391 3392 /* 3393 * mpt_bus_reset is always successful in that it 3394 * will fall back to a hard reset should a bus 3395 * reset attempt fail. 3396 */ 3397 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 3398 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 3399 break; 3400 3401 case XPT_ABORT: 3402 { 3403 union ccb *accb = ccb->cab.abort_ccb; 3404 CAMLOCK_2_MPTLOCK(mpt); 3405 switch (accb->ccb_h.func_code) { 3406 case XPT_ACCEPT_TARGET_IO: 3407 case XPT_IMMED_NOTIFY: 3408 ccb->ccb_h.status = mpt_abort_target_ccb(mpt, ccb); 3409 break; 3410 case XPT_CONT_TARGET_IO: 3411 mpt_prt(mpt, "cannot abort active CTIOs yet\n"); 3412 ccb->ccb_h.status = CAM_UA_ABORT; 3413 break; 3414 case XPT_SCSI_IO: 3415 ccb->ccb_h.status = CAM_UA_ABORT; 3416 break; 3417 default: 3418 ccb->ccb_h.status = CAM_REQ_INVALID; 3419 break; 3420 } 3421 MPTLOCK_2_CAMLOCK(mpt); 3422 break; 3423 } 3424 3425 #ifdef CAM_NEW_TRAN_CODE 3426 #define IS_CURRENT_SETTINGS(c) ((c)->type == CTS_TYPE_CURRENT_SETTINGS) 3427 #else 3428 #define IS_CURRENT_SETTINGS(c) ((c)->flags & CCB_TRANS_CURRENT_SETTINGS) 3429 #endif 3430 #define DP_DISC_ENABLE 0x1 3431 #define DP_DISC_DISABL 0x2 3432 #define DP_DISC (DP_DISC_ENABLE|DP_DISC_DISABL) 3433 3434 #define DP_TQING_ENABLE 0x4 3435 #define DP_TQING_DISABL 0x8 3436 #define DP_TQING (DP_TQING_ENABLE|DP_TQING_DISABL) 3437 3438 #define DP_WIDE 0x10 3439 #define DP_NARROW 0x20 3440 #define DP_WIDTH (DP_WIDE|DP_NARROW) 3441 3442 #define DP_SYNC 0x40 3443 3444 case XPT_SET_TRAN_SETTINGS: /* Nexus Settings */ 3445 { 3446 #ifdef CAM_NEW_TRAN_CODE 3447 struct ccb_trans_settings_scsi *scsi; 3448 struct ccb_trans_settings_spi *spi; 3449 #endif 3450 uint8_t dval; 3451 u_int period; 3452 u_int offset; 3453 int i, j; 3454 3455 cts = &ccb->cts; 3456 3457 if (mpt->is_fc || mpt->is_sas) { 3458 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 3459 break; 3460 } 3461 3462 #ifdef CAM_NEW_TRAN_CODE 3463 scsi = &cts->proto_specific.scsi; 3464 spi = &cts->xport_specific.spi; 3465 3466 /* 3467 * We can be called just to valid transport and proto versions 3468 */ 3469 if (scsi->valid == 0 && spi->valid == 0) { 3470 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 3471 break; 3472 } 3473 #endif 3474 3475 /* 3476 * Skip attempting settings on RAID volume disks. 3477 * Other devices on the bus get the normal treatment. 3478 */ 3479 if (mpt->phydisk_sim && raid_passthru == 0 && 3480 mpt_is_raid_volume(mpt, tgt) != 0) { 3481 mpt_lprt(mpt, MPT_PRT_NEGOTIATION, 3482 "no transfer settings for RAID vols\n"); 3483 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 3484 break; 3485 } 3486 3487 i = mpt->mpt_port_page2.PortSettings & 3488 MPI_SCSIPORTPAGE2_PORT_MASK_NEGO_MASTER_SETTINGS; 3489 j = mpt->mpt_port_page2.PortFlags & 3490 MPI_SCSIPORTPAGE2_PORT_FLAGS_DV_MASK; 3491 if (i == MPI_SCSIPORTPAGE2_PORT_ALL_MASTER_SETTINGS && 3492 j == MPI_SCSIPORTPAGE2_PORT_FLAGS_OFF_DV) { 3493 mpt_lprt(mpt, MPT_PRT_ALWAYS, 3494 "honoring BIOS transfer negotiations\n"); 3495 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 3496 break; 3497 } 3498 3499 dval = 0; 3500 period = 0; 3501 offset = 0; 3502 3503 #ifndef CAM_NEW_TRAN_CODE 3504 if ((cts->valid & CCB_TRANS_DISC_VALID) != 0) { 3505 dval |= (cts->flags & CCB_TRANS_DISC_ENB) ? 3506 DP_DISC_ENABLE : DP_DISC_DISABL; 3507 } 3508 3509 if ((cts->valid & CCB_TRANS_TQ_VALID) != 0) { 3510 dval |= (cts->flags & CCB_TRANS_TAG_ENB) ? 3511 DP_TQING_ENABLE : DP_TQING_DISABL; 3512 } 3513 3514 if ((cts->valid & CCB_TRANS_BUS_WIDTH_VALID) != 0) { 3515 dval |= cts->bus_width ? DP_WIDE : DP_NARROW; 3516 } 3517 3518 if ((cts->valid & CCB_TRANS_SYNC_RATE_VALID) && 3519 (cts->valid & CCB_TRANS_SYNC_OFFSET_VALID)) { 3520 dval |= DP_SYNC; 3521 period = cts->sync_period; 3522 offset = cts->sync_offset; 3523 } 3524 #else 3525 if ((spi->valid & CTS_SPI_VALID_DISC) != 0) { 3526 dval |= ((spi->flags & CTS_SPI_FLAGS_DISC_ENB) != 0) ? 3527 DP_DISC_ENABLE : DP_DISC_DISABL; 3528 } 3529 3530 if ((scsi->valid & CTS_SCSI_VALID_TQ) != 0) { 3531 dval |= ((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0) ? 3532 DP_TQING_ENABLE : DP_TQING_DISABL; 3533 } 3534 3535 if ((spi->valid & CTS_SPI_VALID_BUS_WIDTH) != 0) { 3536 dval |= (spi->bus_width == MSG_EXT_WDTR_BUS_16_BIT) ? 3537 DP_WIDE : DP_NARROW; 3538 } 3539 3540 if (spi->valid & CTS_SPI_VALID_SYNC_OFFSET) { 3541 dval |= DP_SYNC; 3542 offset = spi->sync_offset; 3543 } else { 3544 PTR_CONFIG_PAGE_SCSI_DEVICE_1 ptr = 3545 &mpt->mpt_dev_page1[tgt]; 3546 offset = ptr->RequestedParameters; 3547 offset &= MPI_SCSIDEVPAGE1_RP_MAX_SYNC_OFFSET_MASK; 3548 offset >>= MPI_SCSIDEVPAGE1_RP_SHIFT_MAX_SYNC_OFFSET; 3549 } 3550 if (spi->valid & CTS_SPI_VALID_SYNC_RATE) { 3551 dval |= DP_SYNC; 3552 period = spi->sync_period; 3553 } else { 3554 PTR_CONFIG_PAGE_SCSI_DEVICE_1 ptr = 3555 &mpt->mpt_dev_page1[tgt]; 3556 period = ptr->RequestedParameters; 3557 period &= MPI_SCSIDEVPAGE1_RP_MIN_SYNC_PERIOD_MASK; 3558 period >>= MPI_SCSIDEVPAGE1_RP_SHIFT_MIN_SYNC_PERIOD; 3559 } 3560 #endif 3561 CAMLOCK_2_MPTLOCK(mpt); 3562 if (dval & DP_DISC_ENABLE) { 3563 mpt->mpt_disc_enable |= (1 << tgt); 3564 } else if (dval & DP_DISC_DISABL) { 3565 mpt->mpt_disc_enable &= ~(1 << tgt); 3566 } 3567 if (dval & DP_TQING_ENABLE) { 3568 mpt->mpt_tag_enable |= (1 << tgt); 3569 } else if (dval & DP_TQING_DISABL) { 3570 mpt->mpt_tag_enable &= ~(1 << tgt); 3571 } 3572 if (dval & DP_WIDTH) { 3573 mpt_setwidth(mpt, tgt, 1); 3574 } 3575 if (dval & DP_SYNC) { 3576 mpt_setsync(mpt, tgt, period, offset); 3577 } 3578 if (dval == 0) { 3579 MPTLOCK_2_CAMLOCK(mpt); 3580 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 3581 break; 3582 } 3583 mpt_lprt(mpt, MPT_PRT_NEGOTIATION, 3584 "set [%d]: 0x%x period 0x%x offset %d\n", 3585 tgt, dval, period, offset); 3586 if (mpt_update_spi_config(mpt, tgt)) { 3587 mpt_set_ccb_status(ccb, CAM_REQ_CMP_ERR); 3588 } else { 3589 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 3590 } 3591 MPTLOCK_2_CAMLOCK(mpt); 3592 break; 3593 } 3594 case XPT_GET_TRAN_SETTINGS: 3595 { 3596 #ifdef CAM_NEW_TRAN_CODE 3597 struct ccb_trans_settings_scsi *scsi; 3598 cts = &ccb->cts; 3599 cts->protocol = PROTO_SCSI; 3600 if (mpt->is_fc) { 3601 struct ccb_trans_settings_fc *fc = 3602 &cts->xport_specific.fc; 3603 cts->protocol_version = SCSI_REV_SPC; 3604 cts->transport = XPORT_FC; 3605 cts->transport_version = 0; 3606 fc->valid = CTS_FC_VALID_SPEED; 3607 fc->bitrate = 100000; 3608 } else if (mpt->is_sas) { 3609 struct ccb_trans_settings_sas *sas = 3610 &cts->xport_specific.sas; 3611 cts->protocol_version = SCSI_REV_SPC2; 3612 cts->transport = XPORT_SAS; 3613 cts->transport_version = 0; 3614 sas->valid = CTS_SAS_VALID_SPEED; 3615 sas->bitrate = 300000; 3616 } else { 3617 cts->protocol_version = SCSI_REV_2; 3618 cts->transport = XPORT_SPI; 3619 cts->transport_version = 2; 3620 if (mpt_get_spi_settings(mpt, cts) != 0) { 3621 mpt_set_ccb_status(ccb, CAM_REQ_CMP_ERR); 3622 break; 3623 } 3624 } 3625 scsi = &cts->proto_specific.scsi; 3626 scsi->valid = CTS_SCSI_VALID_TQ; 3627 scsi->flags = CTS_SCSI_FLAGS_TAG_ENB; 3628 #else 3629 cts = &ccb->cts; 3630 if (mpt->is_fc) { 3631 cts->flags = CCB_TRANS_TAG_ENB | CCB_TRANS_DISC_ENB; 3632 cts->valid = CCB_TRANS_DISC_VALID | CCB_TRANS_TQ_VALID; 3633 cts->bus_width = MSG_EXT_WDTR_BUS_8_BIT; 3634 } else if (mpt->is_sas) { 3635 cts->flags = CCB_TRANS_TAG_ENB | CCB_TRANS_DISC_ENB; 3636 cts->valid = CCB_TRANS_DISC_VALID | CCB_TRANS_TQ_VALID; 3637 cts->bus_width = MSG_EXT_WDTR_BUS_8_BIT; 3638 } else if (mpt_get_spi_settings(mpt, cts) != 0) { 3639 mpt_set_ccb_status(ccb, CAM_REQ_CMP_ERR); 3640 break; 3641 } 3642 #endif 3643 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 3644 break; 3645 } 3646 case XPT_CALC_GEOMETRY: 3647 { 3648 struct ccb_calc_geometry *ccg; 3649 3650 ccg = &ccb->ccg; 3651 if (ccg->block_size == 0) { 3652 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 3653 mpt_set_ccb_status(ccb, CAM_REQ_INVALID); 3654 break; 3655 } 3656 mpt_calc_geometry(ccg, /*extended*/1); 3657 KASSERT(ccb->ccb_h.status, ("zero ccb sts at %d", __LINE__)); 3658 break; 3659 } 3660 case XPT_PATH_INQ: /* Path routing inquiry */ 3661 { 3662 struct ccb_pathinq *cpi = &ccb->cpi; 3663 3664 cpi->version_num = 1; 3665 cpi->target_sprt = 0; 3666 cpi->hba_eng_cnt = 0; 3667 cpi->max_target = mpt->port_facts[0].MaxDevices - 1; 3668 #if 0 /* XXX swildner */ 3669 cpi->maxio = (mpt->max_cam_seg_cnt - 1) * PAGE_SIZE; 3670 #endif 3671 /* 3672 * FC cards report MAX_DEVICES of 512, but 3673 * the MSG_SCSI_IO_REQUEST target id field 3674 * is only 8 bits. Until we fix the driver 3675 * to support 'channels' for bus overflow, 3676 * just limit it. 3677 */ 3678 if (cpi->max_target > 255) { 3679 cpi->max_target = 255; 3680 } 3681 3682 /* 3683 * VMware ESX reports > 16 devices and then dies when we probe. 3684 */ 3685 if (mpt->is_spi && cpi->max_target > 15) { 3686 cpi->max_target = 15; 3687 } 3688 if (mpt->is_spi) 3689 cpi->max_lun = 7; 3690 else 3691 cpi->max_lun = MPT_MAX_LUNS; 3692 cpi->initiator_id = mpt->mpt_ini_id; 3693 cpi->bus_id = cam_sim_bus(sim); 3694 3695 /* 3696 * The base speed is the speed of the underlying connection. 3697 */ 3698 #ifdef CAM_NEW_TRAN_CODE 3699 cpi->protocol = PROTO_SCSI; 3700 if (mpt->is_fc) { 3701 cpi->hba_misc = PIM_NOBUSRESET; 3702 cpi->base_transfer_speed = 100000; 3703 cpi->hba_inquiry = PI_TAG_ABLE; 3704 cpi->transport = XPORT_FC; 3705 cpi->transport_version = 0; 3706 cpi->protocol_version = SCSI_REV_SPC; 3707 } else if (mpt->is_sas) { 3708 cpi->hba_misc = PIM_NOBUSRESET; 3709 cpi->base_transfer_speed = 300000; 3710 cpi->hba_inquiry = PI_TAG_ABLE; 3711 cpi->transport = XPORT_SAS; 3712 cpi->transport_version = 0; 3713 cpi->protocol_version = SCSI_REV_SPC2; 3714 } else { 3715 cpi->hba_misc = PIM_SEQSCAN; 3716 cpi->base_transfer_speed = 3300; 3717 cpi->hba_inquiry = PI_SDTR_ABLE|PI_TAG_ABLE|PI_WIDE_16; 3718 cpi->transport = XPORT_SPI; 3719 cpi->transport_version = 2; 3720 cpi->protocol_version = SCSI_REV_2; 3721 } 3722 #else 3723 if (mpt->is_fc) { 3724 cpi->hba_misc = PIM_NOBUSRESET; 3725 cpi->base_transfer_speed = 100000; 3726 cpi->hba_inquiry = PI_TAG_ABLE; 3727 } else if (mpt->is_sas) { 3728 cpi->hba_misc = PIM_NOBUSRESET; 3729 cpi->base_transfer_speed = 300000; 3730 cpi->hba_inquiry = PI_TAG_ABLE; 3731 } else { 3732 cpi->hba_misc = PIM_SEQSCAN; 3733 cpi->base_transfer_speed = 3300; 3734 cpi->hba_inquiry = PI_SDTR_ABLE|PI_TAG_ABLE|PI_WIDE_16; 3735 } 3736 #endif 3737 3738 /* 3739 * We give our fake RAID passhtru bus a width that is MaxVolumes 3740 * wide and restrict it to one lun. 3741 */ 3742 if (raid_passthru) { 3743 cpi->max_target = mpt->ioc_page2->MaxPhysDisks - 1; 3744 cpi->initiator_id = cpi->max_target + 1; 3745 cpi->max_lun = 0; 3746 } 3747 3748 if ((mpt->role & MPT_ROLE_INITIATOR) == 0) { 3749 cpi->hba_misc |= PIM_NOINITIATOR; 3750 } 3751 if (mpt->is_fc && (mpt->role & MPT_ROLE_TARGET)) { 3752 cpi->target_sprt = 3753 PIT_PROCESSOR | PIT_DISCONNECT | PIT_TERM_IO; 3754 } else { 3755 cpi->target_sprt = 0; 3756 } 3757 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); 3758 strncpy(cpi->hba_vid, "LSI", HBA_IDLEN); 3759 strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN); 3760 cpi->unit_number = cam_sim_unit(sim); 3761 cpi->ccb_h.status = CAM_REQ_CMP; 3762 break; 3763 } 3764 case XPT_EN_LUN: /* Enable LUN as a target */ 3765 { 3766 int result; 3767 3768 CAMLOCK_2_MPTLOCK(mpt); 3769 if (ccb->cel.enable) 3770 result = mpt_enable_lun(mpt, 3771 ccb->ccb_h.target_id, ccb->ccb_h.target_lun); 3772 else 3773 result = mpt_disable_lun(mpt, 3774 ccb->ccb_h.target_id, ccb->ccb_h.target_lun); 3775 MPTLOCK_2_CAMLOCK(mpt); 3776 if (result == 0) { 3777 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 3778 } else { 3779 mpt_set_ccb_status(ccb, CAM_REQ_CMP_ERR); 3780 } 3781 break; 3782 } 3783 case XPT_NOTIFY_ACK: /* recycle notify ack */ 3784 case XPT_IMMED_NOTIFY: /* Add Immediate Notify Resource */ 3785 case XPT_ACCEPT_TARGET_IO: /* Add Accept Target IO Resource */ 3786 { 3787 tgt_resource_t *trtp; 3788 lun_id_t lun = ccb->ccb_h.target_lun; 3789 ccb->ccb_h.sim_priv.entries[0].field = 0; 3790 ccb->ccb_h.sim_priv.entries[1].ptr = mpt; 3791 ccb->ccb_h.flags = 0; 3792 3793 if (lun == CAM_LUN_WILDCARD) { 3794 if (ccb->ccb_h.target_id != CAM_TARGET_WILDCARD) { 3795 mpt_set_ccb_status(ccb, CAM_REQ_INVALID); 3796 break; 3797 } 3798 trtp = &mpt->trt_wildcard; 3799 } else if (lun >= MPT_MAX_LUNS) { 3800 mpt_set_ccb_status(ccb, CAM_REQ_INVALID); 3801 break; 3802 } else { 3803 trtp = &mpt->trt[lun]; 3804 } 3805 CAMLOCK_2_MPTLOCK(mpt); 3806 if (ccb->ccb_h.func_code == XPT_ACCEPT_TARGET_IO) { 3807 mpt_lprt(mpt, MPT_PRT_DEBUG1, 3808 "Put FREE ATIO %p lun %d\n", ccb, lun); 3809 STAILQ_INSERT_TAIL(&trtp->atios, &ccb->ccb_h, 3810 sim_links.stqe); 3811 } else if (ccb->ccb_h.func_code == XPT_IMMED_NOTIFY) { 3812 mpt_lprt(mpt, MPT_PRT_DEBUG1, 3813 "Put FREE INOT lun %d\n", lun); 3814 STAILQ_INSERT_TAIL(&trtp->inots, &ccb->ccb_h, 3815 sim_links.stqe); 3816 } else { 3817 mpt_lprt(mpt, MPT_PRT_ALWAYS, "Got Notify ACK\n"); 3818 } 3819 mpt_set_ccb_status(ccb, CAM_REQ_INPROG); 3820 MPTLOCK_2_CAMLOCK(mpt); 3821 return; 3822 } 3823 case XPT_CONT_TARGET_IO: 3824 CAMLOCK_2_MPTLOCK(mpt); 3825 mpt_target_start_io(mpt, ccb); 3826 MPTLOCK_2_CAMLOCK(mpt); 3827 return; 3828 3829 default: 3830 ccb->ccb_h.status = CAM_REQ_INVALID; 3831 break; 3832 } 3833 xpt_done(ccb); 3834 } 3835 3836 static int 3837 mpt_get_spi_settings(struct mpt_softc *mpt, struct ccb_trans_settings *cts) 3838 { 3839 #ifdef CAM_NEW_TRAN_CODE 3840 struct ccb_trans_settings_scsi *scsi = &cts->proto_specific.scsi; 3841 struct ccb_trans_settings_spi *spi = &cts->xport_specific.spi; 3842 #endif 3843 target_id_t tgt; 3844 uint32_t dval, pval, oval; 3845 int rv; 3846 3847 if (IS_CURRENT_SETTINGS(cts) == 0) { 3848 tgt = cts->ccb_h.target_id; 3849 } else if (xpt_path_sim(cts->ccb_h.path) == mpt->phydisk_sim) { 3850 if (mpt_map_physdisk(mpt, (union ccb *)cts, &tgt)) { 3851 return (-1); 3852 } 3853 } else { 3854 tgt = cts->ccb_h.target_id; 3855 } 3856 3857 /* 3858 * We aren't looking at Port Page 2 BIOS settings here- 3859 * sometimes these have been known to be bogus XXX. 3860 * 3861 * For user settings, we pick the max from port page 0 3862 * 3863 * For current settings we read the current settings out from 3864 * device page 0 for that target. 3865 */ 3866 if (IS_CURRENT_SETTINGS(cts)) { 3867 CONFIG_PAGE_SCSI_DEVICE_0 tmp; 3868 dval = 0; 3869 3870 CAMLOCK_2_MPTLOCK(mpt); 3871 tmp = mpt->mpt_dev_page0[tgt]; 3872 rv = mpt_read_cur_cfg_page(mpt, tgt, &tmp.Header, 3873 sizeof(tmp), FALSE, 5000); 3874 if (rv) { 3875 MPTLOCK_2_CAMLOCK(mpt); 3876 mpt_prt(mpt, "can't get tgt %d config page 0\n", tgt); 3877 return (rv); 3878 } 3879 mpt2host_config_page_scsi_device_0(&tmp); 3880 3881 MPTLOCK_2_CAMLOCK(mpt); 3882 mpt_lprt(mpt, MPT_PRT_DEBUG, 3883 "mpt_get_spi_settings[%d]: current NP %x Info %x\n", tgt, 3884 tmp.NegotiatedParameters, tmp.Information); 3885 dval |= (tmp.NegotiatedParameters & MPI_SCSIDEVPAGE0_NP_WIDE) ? 3886 DP_WIDE : DP_NARROW; 3887 dval |= (mpt->mpt_disc_enable & (1 << tgt)) ? 3888 DP_DISC_ENABLE : DP_DISC_DISABL; 3889 dval |= (mpt->mpt_tag_enable & (1 << tgt)) ? 3890 DP_TQING_ENABLE : DP_TQING_DISABL; 3891 oval = tmp.NegotiatedParameters; 3892 oval &= MPI_SCSIDEVPAGE0_NP_NEG_SYNC_OFFSET_MASK; 3893 oval >>= MPI_SCSIDEVPAGE0_NP_SHIFT_SYNC_OFFSET; 3894 pval = tmp.NegotiatedParameters; 3895 pval &= MPI_SCSIDEVPAGE0_NP_NEG_SYNC_PERIOD_MASK; 3896 pval >>= MPI_SCSIDEVPAGE0_NP_SHIFT_SYNC_PERIOD; 3897 mpt->mpt_dev_page0[tgt] = tmp; 3898 } else { 3899 dval = DP_WIDE|DP_DISC_ENABLE|DP_TQING_ENABLE|DP_SYNC; 3900 oval = mpt->mpt_port_page0.Capabilities; 3901 oval = MPI_SCSIPORTPAGE0_CAP_GET_MAX_SYNC_OFFSET(oval); 3902 pval = mpt->mpt_port_page0.Capabilities; 3903 pval = MPI_SCSIPORTPAGE0_CAP_GET_MIN_SYNC_PERIOD(pval); 3904 } 3905 3906 #ifndef CAM_NEW_TRAN_CODE 3907 cts->flags &= ~(CCB_TRANS_DISC_ENB|CCB_TRANS_TAG_ENB); 3908 cts->valid = 0; 3909 cts->sync_period = pval; 3910 cts->sync_offset = oval; 3911 cts->valid |= CCB_TRANS_SYNC_RATE_VALID; 3912 cts->valid |= CCB_TRANS_SYNC_OFFSET_VALID; 3913 cts->valid |= CCB_TRANS_BUS_WIDTH_VALID; 3914 if (dval & DP_WIDE) { 3915 cts->bus_width = MSG_EXT_WDTR_BUS_16_BIT; 3916 } else { 3917 cts->bus_width = MSG_EXT_WDTR_BUS_8_BIT; 3918 } 3919 if (cts->ccb_h.target_lun != CAM_LUN_WILDCARD) { 3920 cts->valid |= CCB_TRANS_DISC_VALID | CCB_TRANS_TQ_VALID; 3921 if (dval & DP_DISC_ENABLE) { 3922 cts->flags |= CCB_TRANS_DISC_ENB; 3923 } 3924 if (dval & DP_TQING_ENABLE) { 3925 cts->flags |= CCB_TRANS_TAG_ENB; 3926 } 3927 } 3928 #else 3929 spi->valid = 0; 3930 scsi->valid = 0; 3931 spi->flags = 0; 3932 scsi->flags = 0; 3933 spi->sync_offset = oval; 3934 spi->sync_period = pval; 3935 spi->valid |= CTS_SPI_VALID_SYNC_OFFSET; 3936 spi->valid |= CTS_SPI_VALID_SYNC_RATE; 3937 spi->valid |= CTS_SPI_VALID_BUS_WIDTH; 3938 if (dval & DP_WIDE) { 3939 spi->bus_width = MSG_EXT_WDTR_BUS_16_BIT; 3940 } else { 3941 spi->bus_width = MSG_EXT_WDTR_BUS_8_BIT; 3942 } 3943 if (cts->ccb_h.target_lun != CAM_LUN_WILDCARD) { 3944 scsi->valid = CTS_SCSI_VALID_TQ; 3945 if (dval & DP_TQING_ENABLE) { 3946 scsi->flags |= CTS_SCSI_FLAGS_TAG_ENB; 3947 } 3948 spi->valid |= CTS_SPI_VALID_DISC; 3949 if (dval & DP_DISC_ENABLE) { 3950 spi->flags |= CTS_SPI_FLAGS_DISC_ENB; 3951 } 3952 } 3953 #endif 3954 mpt_lprt(mpt, MPT_PRT_NEGOTIATION, 3955 "mpt_get_spi_settings[%d]: %s flags 0x%x per 0x%x off=%d\n", tgt, 3956 IS_CURRENT_SETTINGS(cts)? "ACTIVE" : "NVRAM ", dval, pval, oval); 3957 return (0); 3958 } 3959 3960 static void 3961 mpt_setwidth(struct mpt_softc *mpt, int tgt, int onoff) 3962 { 3963 PTR_CONFIG_PAGE_SCSI_DEVICE_1 ptr; 3964 3965 ptr = &mpt->mpt_dev_page1[tgt]; 3966 if (onoff) { 3967 ptr->RequestedParameters |= MPI_SCSIDEVPAGE1_RP_WIDE; 3968 } else { 3969 ptr->RequestedParameters &= ~MPI_SCSIDEVPAGE1_RP_WIDE; 3970 } 3971 } 3972 3973 static void 3974 mpt_setsync(struct mpt_softc *mpt, int tgt, int period, int offset) 3975 { 3976 PTR_CONFIG_PAGE_SCSI_DEVICE_1 ptr; 3977 3978 ptr = &mpt->mpt_dev_page1[tgt]; 3979 ptr->RequestedParameters &= ~MPI_SCSIDEVPAGE1_RP_MIN_SYNC_PERIOD_MASK; 3980 ptr->RequestedParameters &= ~MPI_SCSIDEVPAGE1_RP_MAX_SYNC_OFFSET_MASK; 3981 ptr->RequestedParameters &= ~MPI_SCSIDEVPAGE1_RP_DT; 3982 ptr->RequestedParameters &= ~MPI_SCSIDEVPAGE1_RP_QAS; 3983 ptr->RequestedParameters &= ~MPI_SCSIDEVPAGE1_RP_IU; 3984 if (period == 0) { 3985 return; 3986 } 3987 ptr->RequestedParameters |= 3988 period << MPI_SCSIDEVPAGE1_RP_SHIFT_MIN_SYNC_PERIOD; 3989 ptr->RequestedParameters |= 3990 offset << MPI_SCSIDEVPAGE1_RP_SHIFT_MAX_SYNC_OFFSET; 3991 if (period < 0xa) { 3992 ptr->RequestedParameters |= MPI_SCSIDEVPAGE1_RP_DT; 3993 } 3994 if (period < 0x9) { 3995 ptr->RequestedParameters |= MPI_SCSIDEVPAGE1_RP_QAS; 3996 ptr->RequestedParameters |= MPI_SCSIDEVPAGE1_RP_IU; 3997 } 3998 } 3999 4000 static int 4001 mpt_update_spi_config(struct mpt_softc *mpt, int tgt) 4002 { 4003 CONFIG_PAGE_SCSI_DEVICE_1 tmp; 4004 int rv; 4005 4006 mpt_lprt(mpt, MPT_PRT_NEGOTIATION, 4007 "mpt_update_spi_config[%d].page1: Requested Params 0x%08x\n", 4008 tgt, mpt->mpt_dev_page1[tgt].RequestedParameters); 4009 tmp = mpt->mpt_dev_page1[tgt]; 4010 host2mpt_config_page_scsi_device_1(&tmp); 4011 rv = mpt_write_cur_cfg_page(mpt, tgt, 4012 &tmp.Header, sizeof(tmp), FALSE, 5000); 4013 if (rv) { 4014 mpt_prt(mpt, "mpt_update_spi_config: write cur page failed\n"); 4015 return (-1); 4016 } 4017 return (0); 4018 } 4019 4020 static void 4021 mpt_calc_geometry(struct ccb_calc_geometry *ccg, int extended) 4022 { 4023 cam_calc_geometry(ccg, extended); 4024 } 4025 4026 /****************************** Timeout Recovery ******************************/ 4027 static int 4028 mpt_spawn_recovery_thread(struct mpt_softc *mpt) 4029 { 4030 int error; 4031 4032 error = mpt_kthread_create(mpt_recovery_thread, mpt, 4033 &mpt->recovery_thread, /*flags*/0, 4034 /*altstack*/0, "mpt_recovery%d", mpt->unit); 4035 return (error); 4036 } 4037 4038 static void 4039 mpt_terminate_recovery_thread(struct mpt_softc *mpt) 4040 { 4041 4042 if (mpt->recovery_thread == NULL) { 4043 return; 4044 } 4045 mpt->shutdwn_recovery = 1; 4046 wakeup(mpt); 4047 /* 4048 * Sleep on a slightly different location 4049 * for this interlock just for added safety. 4050 */ 4051 mpt_sleep(mpt, &mpt->recovery_thread, 0, "thtrm", 0); 4052 } 4053 4054 static void 4055 mpt_recovery_thread(void *arg) 4056 { 4057 struct mpt_softc *mpt; 4058 4059 mpt = (struct mpt_softc *)arg; 4060 MPT_LOCK(mpt); 4061 for (;;) { 4062 if (TAILQ_EMPTY(&mpt->request_timeout_list) != 0) { 4063 if (mpt->shutdwn_recovery == 0) { 4064 mpt_sleep(mpt, mpt, 0, "idle", 0); 4065 } 4066 } 4067 if (mpt->shutdwn_recovery != 0) { 4068 break; 4069 } 4070 mpt_recover_commands(mpt); 4071 } 4072 mpt->recovery_thread = NULL; 4073 wakeup(&mpt->recovery_thread); 4074 MPT_UNLOCK(mpt); 4075 mpt_kthread_exit(0); 4076 } 4077 4078 static int 4079 mpt_scsi_send_tmf(struct mpt_softc *mpt, u_int type, u_int flags, 4080 u_int channel, u_int target, u_int lun, u_int abort_ctx, int sleep_ok) 4081 { 4082 MSG_SCSI_TASK_MGMT *tmf_req; 4083 int error; 4084 4085 /* 4086 * Wait for any current TMF request to complete. 4087 * We're only allowed to issue one TMF at a time. 4088 */ 4089 error = mpt_wait_req(mpt, mpt->tmf_req, REQ_STATE_FREE, REQ_STATE_FREE, 4090 sleep_ok, MPT_TMF_MAX_TIMEOUT); 4091 if (error != 0) { 4092 mpt_reset(mpt, TRUE); 4093 return (ETIMEDOUT); 4094 } 4095 4096 mpt_assign_serno(mpt, mpt->tmf_req); 4097 mpt->tmf_req->state = REQ_STATE_ALLOCATED|REQ_STATE_QUEUED; 4098 4099 tmf_req = (MSG_SCSI_TASK_MGMT *)mpt->tmf_req->req_vbuf; 4100 memset(tmf_req, 0, sizeof(*tmf_req)); 4101 tmf_req->TargetID = target; 4102 tmf_req->Bus = channel; 4103 tmf_req->Function = MPI_FUNCTION_SCSI_TASK_MGMT; 4104 tmf_req->TaskType = type; 4105 tmf_req->MsgFlags = flags; 4106 tmf_req->MsgContext = 4107 htole32(mpt->tmf_req->index | scsi_tmf_handler_id); 4108 if (lun > MPT_MAX_LUNS) { 4109 tmf_req->LUN[0] = 0x40 | ((lun >> 8) & 0x3f); 4110 tmf_req->LUN[1] = lun & 0xff; 4111 } else { 4112 tmf_req->LUN[1] = lun; 4113 } 4114 tmf_req->TaskMsgContext = abort_ctx; 4115 4116 mpt_lprt(mpt, MPT_PRT_DEBUG, 4117 "Issuing TMF %p:%u with MsgContext of 0x%x\n", mpt->tmf_req, 4118 mpt->tmf_req->serno, tmf_req->MsgContext); 4119 if (mpt->verbose > MPT_PRT_DEBUG) { 4120 mpt_print_request(tmf_req); 4121 } 4122 4123 KASSERT(mpt_req_on_pending_list(mpt, mpt->tmf_req) == 0, 4124 ("mpt_scsi_send_tmf: tmf_req already on pending list")); 4125 TAILQ_INSERT_HEAD(&mpt->request_pending_list, mpt->tmf_req, links); 4126 error = mpt_send_handshake_cmd(mpt, sizeof(*tmf_req), tmf_req); 4127 if (error != MPT_OK) { 4128 TAILQ_REMOVE(&mpt->request_pending_list, mpt->tmf_req, links); 4129 mpt->tmf_req->state = REQ_STATE_FREE; 4130 mpt_reset(mpt, TRUE); 4131 } 4132 return (error); 4133 } 4134 4135 /* 4136 * When a command times out, it is placed on the requeust_timeout_list 4137 * and we wake our recovery thread. The MPT-Fusion architecture supports 4138 * only a single TMF operation at a time, so we serially abort/bdr, etc, 4139 * the timedout transactions. The next TMF is issued either by the 4140 * completion handler of the current TMF waking our recovery thread, 4141 * or the TMF timeout handler causing a hard reset sequence. 4142 */ 4143 static void 4144 mpt_recover_commands(struct mpt_softc *mpt) 4145 { 4146 request_t *req; 4147 union ccb *ccb; 4148 int error; 4149 4150 if (TAILQ_EMPTY(&mpt->request_timeout_list) != 0) { 4151 /* 4152 * No work to do- leave. 4153 */ 4154 mpt_prt(mpt, "mpt_recover_commands: no requests.\n"); 4155 return; 4156 } 4157 4158 /* 4159 * Flush any commands whose completion coincides with their timeout. 4160 */ 4161 mpt_intr(mpt); 4162 4163 if (TAILQ_EMPTY(&mpt->request_timeout_list) != 0) { 4164 /* 4165 * The timedout commands have already 4166 * completed. This typically means 4167 * that either the timeout value was on 4168 * the hairy edge of what the device 4169 * requires or - more likely - interrupts 4170 * are not happening. 4171 */ 4172 mpt_prt(mpt, "Timedout requests already complete. " 4173 "Interrupts may not be functioning.\n"); 4174 mpt_enable_ints(mpt); 4175 return; 4176 } 4177 4178 /* 4179 * We have no visibility into the current state of the 4180 * controller, so attempt to abort the commands in the 4181 * order they timed-out. For initiator commands, we 4182 * depend on the reply handler pulling requests off 4183 * the timeout list. 4184 */ 4185 while ((req = TAILQ_FIRST(&mpt->request_timeout_list)) != NULL) { 4186 uint16_t status; 4187 uint8_t response; 4188 MSG_REQUEST_HEADER *hdrp = req->req_vbuf; 4189 4190 mpt_prt(mpt, "attempting to abort req %p:%u function %x\n", 4191 req, req->serno, hdrp->Function); 4192 ccb = req->ccb; 4193 if (ccb == NULL) { 4194 mpt_prt(mpt, "null ccb in timed out request. " 4195 "Resetting Controller.\n"); 4196 mpt_reset(mpt, TRUE); 4197 continue; 4198 } 4199 mpt_set_ccb_status(ccb, CAM_CMD_TIMEOUT); 4200 4201 /* 4202 * Check to see if this is not an initiator command and 4203 * deal with it differently if it is. 4204 */ 4205 switch (hdrp->Function) { 4206 case MPI_FUNCTION_SCSI_IO_REQUEST: 4207 case MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH: 4208 break; 4209 default: 4210 /* 4211 * XXX: FIX ME: need to abort target assists... 4212 */ 4213 mpt_prt(mpt, "just putting it back on the pend q\n"); 4214 TAILQ_REMOVE(&mpt->request_timeout_list, req, links); 4215 TAILQ_INSERT_HEAD(&mpt->request_pending_list, req, 4216 links); 4217 continue; 4218 } 4219 4220 error = mpt_scsi_send_tmf(mpt, 4221 MPI_SCSITASKMGMT_TASKTYPE_ABORT_TASK, 4222 0, 0, ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 4223 htole32(req->index | scsi_io_handler_id), TRUE); 4224 4225 if (error != 0) { 4226 /* 4227 * mpt_scsi_send_tmf hard resets on failure, so no 4228 * need to do so here. Our queue should be emptied 4229 * by the hard reset. 4230 */ 4231 continue; 4232 } 4233 4234 error = mpt_wait_req(mpt, mpt->tmf_req, REQ_STATE_DONE, 4235 REQ_STATE_DONE, TRUE, 500); 4236 4237 status = le16toh(mpt->tmf_req->IOCStatus); 4238 response = mpt->tmf_req->ResponseCode; 4239 mpt->tmf_req->state = REQ_STATE_FREE; 4240 4241 if (error != 0) { 4242 /* 4243 * If we've errored out,, reset the controller. 4244 */ 4245 mpt_prt(mpt, "mpt_recover_commands: abort timed-out. " 4246 "Resetting controller\n"); 4247 mpt_reset(mpt, TRUE); 4248 continue; 4249 } 4250 4251 if ((status & MPI_IOCSTATUS_MASK) != MPI_IOCSTATUS_SUCCESS) { 4252 mpt_prt(mpt, "mpt_recover_commands: IOC Status 0x%x. " 4253 "Resetting controller.\n", status); 4254 mpt_reset(mpt, TRUE); 4255 continue; 4256 } 4257 4258 if (response != MPI_SCSITASKMGMT_RSP_TM_SUCCEEDED && 4259 response != MPI_SCSITASKMGMT_RSP_TM_COMPLETE) { 4260 mpt_prt(mpt, "mpt_recover_commands: TMF Response 0x%x. " 4261 "Resetting controller.\n", response); 4262 mpt_reset(mpt, TRUE); 4263 continue; 4264 } 4265 mpt_prt(mpt, "abort of req %p:%u completed\n", req, req->serno); 4266 } 4267 } 4268 4269 /************************ Target Mode Support ****************************/ 4270 static void 4271 mpt_fc_post_els(struct mpt_softc *mpt, request_t *req, int ioindex) 4272 { 4273 MSG_LINK_SERVICE_BUFFER_POST_REQUEST *fc; 4274 PTR_SGE_TRANSACTION32 tep; 4275 PTR_SGE_SIMPLE32 se; 4276 bus_addr_t paddr; 4277 uint32_t fl; 4278 4279 paddr = req->req_pbuf; 4280 paddr += MPT_RQSL(mpt); 4281 4282 fc = req->req_vbuf; 4283 memset(fc, 0, MPT_REQUEST_AREA); 4284 fc->BufferCount = 1; 4285 fc->Function = MPI_FUNCTION_FC_LINK_SRVC_BUF_POST; 4286 fc->MsgContext = htole32(req->index | fc_els_handler_id); 4287 4288 /* 4289 * Okay, set up ELS buffer pointers. ELS buffer pointers 4290 * consist of a TE SGL element (with details length of zero) 4291 * followed by a SIMPLE SGL element which holds the address 4292 * of the buffer. 4293 */ 4294 4295 tep = (PTR_SGE_TRANSACTION32) &fc->SGL; 4296 4297 tep->ContextSize = 4; 4298 tep->Flags = 0; 4299 tep->TransactionContext[0] = htole32(ioindex); 4300 4301 se = (PTR_SGE_SIMPLE32) &tep->TransactionDetails[0]; 4302 fl = 4303 MPI_SGE_FLAGS_HOST_TO_IOC | 4304 MPI_SGE_FLAGS_SIMPLE_ELEMENT | 4305 MPI_SGE_FLAGS_LAST_ELEMENT | 4306 MPI_SGE_FLAGS_END_OF_LIST | 4307 MPI_SGE_FLAGS_END_OF_BUFFER; 4308 fl <<= MPI_SGE_FLAGS_SHIFT; 4309 fl |= (MPT_NRFM(mpt) - MPT_RQSL(mpt)); 4310 se->FlagsLength = htole32(fl); 4311 se->Address = htole32((uint32_t) paddr); 4312 mpt_lprt(mpt, MPT_PRT_DEBUG, 4313 "add ELS index %d ioindex %d for %p:%u\n", 4314 req->index, ioindex, req, req->serno); 4315 KASSERT(((req->state & REQ_STATE_LOCKED) != 0), 4316 ("mpt_fc_post_els: request not locked")); 4317 mpt_send_cmd(mpt, req); 4318 } 4319 4320 static void 4321 mpt_post_target_command(struct mpt_softc *mpt, request_t *req, int ioindex) 4322 { 4323 PTR_MSG_TARGET_CMD_BUFFER_POST_REQUEST fc; 4324 PTR_CMD_BUFFER_DESCRIPTOR cb; 4325 bus_addr_t paddr; 4326 4327 paddr = req->req_pbuf; 4328 paddr += MPT_RQSL(mpt); 4329 memset(req->req_vbuf, 0, MPT_REQUEST_AREA); 4330 MPT_TGT_STATE(mpt, req)->state = TGT_STATE_LOADING; 4331 4332 fc = req->req_vbuf; 4333 fc->BufferCount = 1; 4334 fc->Function = MPI_FUNCTION_TARGET_CMD_BUFFER_POST; 4335 fc->MsgContext = htole32(req->index | mpt->scsi_tgt_handler_id); 4336 4337 cb = &fc->Buffer[0]; 4338 cb->IoIndex = htole16(ioindex); 4339 cb->u.PhysicalAddress32 = htole32((U32) paddr); 4340 4341 mpt_check_doorbell(mpt); 4342 mpt_send_cmd(mpt, req); 4343 } 4344 4345 static int 4346 mpt_add_els_buffers(struct mpt_softc *mpt) 4347 { 4348 int i; 4349 4350 if (mpt->is_fc == 0) { 4351 return (TRUE); 4352 } 4353 4354 if (mpt->els_cmds_allocated) { 4355 return (TRUE); 4356 } 4357 4358 mpt->els_cmd_ptrs = kmalloc(MPT_MAX_ELS * sizeof (request_t *), 4359 M_DEVBUF, M_NOWAIT | M_ZERO); 4360 4361 if (mpt->els_cmd_ptrs == NULL) { 4362 return (FALSE); 4363 } 4364 4365 /* 4366 * Feed the chip some ELS buffer resources 4367 */ 4368 for (i = 0; i < MPT_MAX_ELS; i++) { 4369 request_t *req = mpt_get_request(mpt, FALSE); 4370 if (req == NULL) { 4371 break; 4372 } 4373 req->state |= REQ_STATE_LOCKED; 4374 mpt->els_cmd_ptrs[i] = req; 4375 mpt_fc_post_els(mpt, req, i); 4376 } 4377 4378 if (i == 0) { 4379 mpt_prt(mpt, "unable to add ELS buffer resources\n"); 4380 kfree(mpt->els_cmd_ptrs, M_DEVBUF); 4381 mpt->els_cmd_ptrs = NULL; 4382 return (FALSE); 4383 } 4384 if (i != MPT_MAX_ELS) { 4385 mpt_lprt(mpt, MPT_PRT_INFO, 4386 "only added %d of %d ELS buffers\n", i, MPT_MAX_ELS); 4387 } 4388 mpt->els_cmds_allocated = i; 4389 return(TRUE); 4390 } 4391 4392 static int 4393 mpt_add_target_commands(struct mpt_softc *mpt) 4394 { 4395 int i, max; 4396 4397 if (mpt->tgt_cmd_ptrs) { 4398 return (TRUE); 4399 } 4400 4401 max = MPT_MAX_REQUESTS(mpt) >> 1; 4402 if (max > mpt->mpt_max_tgtcmds) { 4403 max = mpt->mpt_max_tgtcmds; 4404 } 4405 mpt->tgt_cmd_ptrs = 4406 kmalloc(max * sizeof (request_t *), M_DEVBUF, M_NOWAIT | M_ZERO); 4407 if (mpt->tgt_cmd_ptrs == NULL) { 4408 mpt_prt(mpt, 4409 "mpt_add_target_commands: could not allocate cmd ptrs\n"); 4410 return (FALSE); 4411 } 4412 4413 for (i = 0; i < max; i++) { 4414 request_t *req; 4415 4416 req = mpt_get_request(mpt, FALSE); 4417 if (req == NULL) { 4418 break; 4419 } 4420 req->state |= REQ_STATE_LOCKED; 4421 mpt->tgt_cmd_ptrs[i] = req; 4422 mpt_post_target_command(mpt, req, i); 4423 } 4424 4425 4426 if (i == 0) { 4427 mpt_lprt(mpt, MPT_PRT_ERROR, "could not add any target bufs\n"); 4428 kfree(mpt->tgt_cmd_ptrs, M_DEVBUF); 4429 mpt->tgt_cmd_ptrs = NULL; 4430 return (FALSE); 4431 } 4432 4433 mpt->tgt_cmds_allocated = i; 4434 4435 if (i < max) { 4436 mpt_lprt(mpt, MPT_PRT_INFO, 4437 "added %d of %d target bufs\n", i, max); 4438 } 4439 return (i); 4440 } 4441 4442 static int 4443 mpt_enable_lun(struct mpt_softc *mpt, target_id_t tgt, lun_id_t lun) 4444 { 4445 4446 if (tgt == CAM_TARGET_WILDCARD && lun == CAM_LUN_WILDCARD) { 4447 mpt->twildcard = 1; 4448 } else if (lun >= MPT_MAX_LUNS) { 4449 return (EINVAL); 4450 } else if (tgt != CAM_TARGET_WILDCARD && tgt != 0) { 4451 return (EINVAL); 4452 } 4453 if (mpt->tenabled == 0) { 4454 if (mpt->is_fc) { 4455 (void) mpt_fc_reset_link(mpt, 0); 4456 } 4457 mpt->tenabled = 1; 4458 } 4459 if (lun == CAM_LUN_WILDCARD) { 4460 mpt->trt_wildcard.enabled = 1; 4461 } else { 4462 mpt->trt[lun].enabled = 1; 4463 } 4464 return (0); 4465 } 4466 4467 static int 4468 mpt_disable_lun(struct mpt_softc *mpt, target_id_t tgt, lun_id_t lun) 4469 { 4470 int i; 4471 4472 if (tgt == CAM_TARGET_WILDCARD && lun == CAM_LUN_WILDCARD) { 4473 mpt->twildcard = 0; 4474 } else if (lun >= MPT_MAX_LUNS) { 4475 return (EINVAL); 4476 } else if (tgt != CAM_TARGET_WILDCARD && tgt != 0) { 4477 return (EINVAL); 4478 } 4479 if (lun == CAM_LUN_WILDCARD) { 4480 mpt->trt_wildcard.enabled = 0; 4481 } else { 4482 mpt->trt[lun].enabled = 0; 4483 } 4484 for (i = 0; i < MPT_MAX_LUNS; i++) { 4485 if (mpt->trt[lun].enabled) { 4486 break; 4487 } 4488 } 4489 if (i == MPT_MAX_LUNS && mpt->twildcard == 0) { 4490 if (mpt->is_fc) { 4491 (void) mpt_fc_reset_link(mpt, 0); 4492 } 4493 mpt->tenabled = 0; 4494 } 4495 return (0); 4496 } 4497 4498 /* 4499 * Called with MPT lock held 4500 */ 4501 static void 4502 mpt_target_start_io(struct mpt_softc *mpt, union ccb *ccb) 4503 { 4504 struct ccb_scsiio *csio = &ccb->csio; 4505 request_t *cmd_req = MPT_TAG_2_REQ(mpt, csio->tag_id); 4506 mpt_tgt_state_t *tgt = MPT_TGT_STATE(mpt, cmd_req); 4507 4508 switch (tgt->state) { 4509 case TGT_STATE_IN_CAM: 4510 break; 4511 case TGT_STATE_MOVING_DATA: 4512 mpt_set_ccb_status(ccb, CAM_REQUEUE_REQ); 4513 xpt_freeze_simq(mpt->sim, 1); 4514 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 4515 tgt->ccb->ccb_h.status |= CAM_RELEASE_SIMQ; 4516 MPTLOCK_2_CAMLOCK(mpt); 4517 xpt_done(ccb); 4518 CAMLOCK_2_MPTLOCK(mpt); 4519 return; 4520 default: 4521 mpt_prt(mpt, "ccb %p flags 0x%x tag 0x%08x had bad request " 4522 "starting I/O\n", ccb, csio->ccb_h.flags, csio->tag_id); 4523 mpt_tgt_dump_req_state(mpt, cmd_req); 4524 mpt_set_ccb_status(ccb, CAM_REQ_CMP_ERR); 4525 MPTLOCK_2_CAMLOCK(mpt); 4526 xpt_done(ccb); 4527 CAMLOCK_2_MPTLOCK(mpt); 4528 return; 4529 } 4530 4531 if (csio->dxfer_len) { 4532 bus_dmamap_callback_t *cb; 4533 PTR_MSG_TARGET_ASSIST_REQUEST ta; 4534 request_t *req; 4535 4536 KASSERT((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE, 4537 ("dxfer_len %u but direction is NONE", csio->dxfer_len)); 4538 4539 if ((req = mpt_get_request(mpt, FALSE)) == NULL) { 4540 if (mpt->outofbeer == 0) { 4541 mpt->outofbeer = 1; 4542 xpt_freeze_simq(mpt->sim, 1); 4543 mpt_lprt(mpt, MPT_PRT_DEBUG, "FREEZEQ\n"); 4544 } 4545 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 4546 mpt_set_ccb_status(ccb, CAM_REQUEUE_REQ); 4547 MPTLOCK_2_CAMLOCK(mpt); 4548 xpt_done(ccb); 4549 CAMLOCK_2_MPTLOCK(mpt); 4550 return; 4551 } 4552 ccb->ccb_h.status = CAM_SIM_QUEUED | CAM_REQ_INPROG; 4553 if (sizeof (bus_addr_t) > 4) { 4554 cb = mpt_execute_req_a64; 4555 } else { 4556 cb = mpt_execute_req; 4557 } 4558 4559 req->ccb = ccb; 4560 ccb->ccb_h.ccb_req_ptr = req; 4561 4562 /* 4563 * Record the currently active ccb and the 4564 * request for it in our target state area. 4565 */ 4566 tgt->ccb = ccb; 4567 tgt->req = req; 4568 4569 memset(req->req_vbuf, 0, MPT_RQSL(mpt)); 4570 ta = req->req_vbuf; 4571 4572 if (mpt->is_sas) { 4573 PTR_MPI_TARGET_SSP_CMD_BUFFER ssp = 4574 cmd_req->req_vbuf; 4575 ta->QueueTag = ssp->InitiatorTag; 4576 } else if (mpt->is_spi) { 4577 PTR_MPI_TARGET_SCSI_SPI_CMD_BUFFER sp = 4578 cmd_req->req_vbuf; 4579 ta->QueueTag = sp->Tag; 4580 } 4581 ta->Function = MPI_FUNCTION_TARGET_ASSIST; 4582 ta->MsgContext = htole32(req->index | mpt->scsi_tgt_handler_id); 4583 ta->ReplyWord = htole32(tgt->reply_desc); 4584 if (csio->ccb_h.target_lun > MPT_MAX_LUNS) { 4585 ta->LUN[0] = 4586 0x40 | ((csio->ccb_h.target_lun >> 8) & 0x3f); 4587 ta->LUN[1] = csio->ccb_h.target_lun & 0xff; 4588 } else { 4589 ta->LUN[1] = csio->ccb_h.target_lun; 4590 } 4591 4592 ta->RelativeOffset = tgt->bytes_xfered; 4593 ta->DataLength = ccb->csio.dxfer_len; 4594 if (ta->DataLength > tgt->resid) { 4595 ta->DataLength = tgt->resid; 4596 } 4597 4598 /* 4599 * XXX Should be done after data transfer completes? 4600 */ 4601 tgt->resid -= csio->dxfer_len; 4602 tgt->bytes_xfered += csio->dxfer_len; 4603 4604 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 4605 ta->TargetAssistFlags |= 4606 TARGET_ASSIST_FLAGS_DATA_DIRECTION; 4607 } 4608 4609 #ifdef WE_TRUST_AUTO_GOOD_STATUS 4610 if ((ccb->ccb_h.flags & CAM_SEND_STATUS) && 4611 csio->scsi_status == SCSI_STATUS_OK && tgt->resid == 0) { 4612 ta->TargetAssistFlags |= 4613 TARGET_ASSIST_FLAGS_AUTO_STATUS; 4614 } 4615 #endif 4616 tgt->state = TGT_STATE_SETTING_UP_FOR_DATA; 4617 4618 mpt_lprt(mpt, MPT_PRT_DEBUG, 4619 "DATA_CCB %p tag %x %u bytes %u resid flg %x req %p:%u " 4620 "nxtstate=%d\n", csio, csio->tag_id, csio->dxfer_len, 4621 tgt->resid, ccb->ccb_h.flags, req, req->serno, tgt->state); 4622 4623 MPTLOCK_2_CAMLOCK(mpt); 4624 if ((ccb->ccb_h.flags & CAM_SCATTER_VALID) == 0) { 4625 if ((ccb->ccb_h.flags & CAM_DATA_PHYS) == 0) { 4626 int error; 4627 crit_enter(); 4628 error = bus_dmamap_load(mpt->buffer_dmat, 4629 req->dmap, csio->data_ptr, csio->dxfer_len, 4630 cb, req, 0); 4631 crit_exit(); 4632 if (error == EINPROGRESS) { 4633 xpt_freeze_simq(mpt->sim, 1); 4634 ccb->ccb_h.status |= CAM_RELEASE_SIMQ; 4635 } 4636 } else { 4637 /* 4638 * We have been given a pointer to single 4639 * physical buffer. 4640 */ 4641 struct bus_dma_segment seg; 4642 seg.ds_addr = (bus_addr_t) 4643 (vm_offset_t)csio->data_ptr; 4644 seg.ds_len = csio->dxfer_len; 4645 (*cb)(req, &seg, 1, 0); 4646 } 4647 } else { 4648 /* 4649 * We have been given a list of addresses. 4650 * This case could be easily supported but they are not 4651 * currently generated by the CAM subsystem so there 4652 * is no point in wasting the time right now. 4653 */ 4654 struct bus_dma_segment *sgs; 4655 if ((ccb->ccb_h.flags & CAM_SG_LIST_PHYS) == 0) { 4656 (*cb)(req, NULL, 0, EFAULT); 4657 } else { 4658 /* Just use the segments provided */ 4659 sgs = (struct bus_dma_segment *)csio->data_ptr; 4660 (*cb)(req, sgs, csio->sglist_cnt, 0); 4661 } 4662 } 4663 CAMLOCK_2_MPTLOCK(mpt); 4664 } else { 4665 uint8_t *sp = NULL, sense[MPT_SENSE_SIZE]; 4666 4667 /* 4668 * XXX: I don't know why this seems to happen, but 4669 * XXX: completing the CCB seems to make things happy. 4670 * XXX: This seems to happen if the initiator requests 4671 * XXX: enough data that we have to do multiple CTIOs. 4672 */ 4673 if ((ccb->ccb_h.flags & CAM_SEND_STATUS) == 0) { 4674 mpt_lprt(mpt, MPT_PRT_DEBUG, 4675 "Meaningless STATUS CCB (%p): flags %x status %x " 4676 "resid %d bytes_xfered %u\n", ccb, ccb->ccb_h.flags, 4677 ccb->ccb_h.status, tgt->resid, tgt->bytes_xfered); 4678 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 4679 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 4680 MPTLOCK_2_CAMLOCK(mpt); 4681 xpt_done(ccb); 4682 CAMLOCK_2_MPTLOCK(mpt); 4683 return; 4684 } 4685 if (ccb->ccb_h.flags & CAM_SEND_SENSE) { 4686 sp = sense; 4687 memcpy(sp, &csio->sense_data, 4688 min(csio->sense_len, MPT_SENSE_SIZE)); 4689 } 4690 mpt_scsi_tgt_status(mpt, ccb, cmd_req, csio->scsi_status, sp); 4691 } 4692 } 4693 4694 static void 4695 mpt_scsi_tgt_local(struct mpt_softc *mpt, request_t *cmd_req, 4696 uint32_t lun, int send, uint8_t *data, size_t length) 4697 { 4698 mpt_tgt_state_t *tgt; 4699 PTR_MSG_TARGET_ASSIST_REQUEST ta; 4700 SGE_SIMPLE32 *se; 4701 uint32_t flags; 4702 uint8_t *dptr; 4703 bus_addr_t pptr; 4704 request_t *req; 4705 4706 /* 4707 * We enter with resid set to the data load for the command. 4708 */ 4709 tgt = MPT_TGT_STATE(mpt, cmd_req); 4710 if (length == 0 || tgt->resid == 0) { 4711 tgt->resid = 0; 4712 mpt_scsi_tgt_status(mpt, NULL, cmd_req, 0, NULL); 4713 return; 4714 } 4715 4716 if ((req = mpt_get_request(mpt, FALSE)) == NULL) { 4717 mpt_prt(mpt, "out of resources- dropping local response\n"); 4718 return; 4719 } 4720 tgt->is_local = 1; 4721 4722 4723 memset(req->req_vbuf, 0, MPT_RQSL(mpt)); 4724 ta = req->req_vbuf; 4725 4726 if (mpt->is_sas) { 4727 PTR_MPI_TARGET_SSP_CMD_BUFFER ssp = cmd_req->req_vbuf; 4728 ta->QueueTag = ssp->InitiatorTag; 4729 } else if (mpt->is_spi) { 4730 PTR_MPI_TARGET_SCSI_SPI_CMD_BUFFER sp = cmd_req->req_vbuf; 4731 ta->QueueTag = sp->Tag; 4732 } 4733 ta->Function = MPI_FUNCTION_TARGET_ASSIST; 4734 ta->MsgContext = htole32(req->index | mpt->scsi_tgt_handler_id); 4735 ta->ReplyWord = htole32(tgt->reply_desc); 4736 if (lun > MPT_MAX_LUNS) { 4737 ta->LUN[0] = 0x40 | ((lun >> 8) & 0x3f); 4738 ta->LUN[1] = lun & 0xff; 4739 } else { 4740 ta->LUN[1] = lun; 4741 } 4742 ta->RelativeOffset = 0; 4743 ta->DataLength = length; 4744 4745 dptr = req->req_vbuf; 4746 dptr += MPT_RQSL(mpt); 4747 pptr = req->req_pbuf; 4748 pptr += MPT_RQSL(mpt); 4749 memcpy(dptr, data, min(length, MPT_RQSL(mpt))); 4750 4751 se = (SGE_SIMPLE32 *) &ta->SGL[0]; 4752 memset(se, 0,sizeof (*se)); 4753 4754 flags = MPI_SGE_FLAGS_SIMPLE_ELEMENT; 4755 if (send) { 4756 ta->TargetAssistFlags |= TARGET_ASSIST_FLAGS_DATA_DIRECTION; 4757 flags |= MPI_SGE_FLAGS_HOST_TO_IOC; 4758 } 4759 se->Address = pptr; 4760 MPI_pSGE_SET_LENGTH(se, length); 4761 flags |= MPI_SGE_FLAGS_LAST_ELEMENT; 4762 flags |= MPI_SGE_FLAGS_END_OF_LIST | MPI_SGE_FLAGS_END_OF_BUFFER; 4763 MPI_pSGE_SET_FLAGS(se, flags); 4764 4765 tgt->ccb = NULL; 4766 tgt->req = req; 4767 tgt->resid -= length; 4768 tgt->bytes_xfered = length; 4769 #ifdef WE_TRUST_AUTO_GOOD_STATUS 4770 tgt->state = TGT_STATE_MOVING_DATA_AND_STATUS; 4771 #else 4772 tgt->state = TGT_STATE_MOVING_DATA; 4773 #endif 4774 mpt_send_cmd(mpt, req); 4775 } 4776 4777 /* 4778 * Abort queued up CCBs 4779 */ 4780 static cam_status 4781 mpt_abort_target_ccb(struct mpt_softc *mpt, union ccb *ccb) 4782 { 4783 struct mpt_hdr_stailq *lp; 4784 struct ccb_hdr *srch; 4785 int found = 0; 4786 union ccb *accb = ccb->cab.abort_ccb; 4787 tgt_resource_t *trtp; 4788 4789 mpt_lprt(mpt, MPT_PRT_DEBUG, "aborting ccb %p\n", accb); 4790 4791 if (ccb->ccb_h.target_lun == CAM_LUN_WILDCARD) { 4792 trtp = &mpt->trt_wildcard; 4793 } else { 4794 trtp = &mpt->trt[ccb->ccb_h.target_lun]; 4795 } 4796 4797 if (accb->ccb_h.func_code == XPT_ACCEPT_TARGET_IO) { 4798 lp = &trtp->atios; 4799 } else if (accb->ccb_h.func_code == XPT_IMMED_NOTIFY) { 4800 lp = &trtp->inots; 4801 } else { 4802 return (CAM_REQ_INVALID); 4803 } 4804 4805 STAILQ_FOREACH(srch, lp, sim_links.stqe) { 4806 if (srch == &accb->ccb_h) { 4807 found = 1; 4808 STAILQ_REMOVE(lp, srch, ccb_hdr, sim_links.stqe); 4809 break; 4810 } 4811 } 4812 if (found) { 4813 accb->ccb_h.status = CAM_REQ_ABORTED; 4814 xpt_done(accb); 4815 return (CAM_REQ_CMP); 4816 } 4817 mpt_prt(mpt, "mpt_abort_tgt_ccb: CCB %p not found\n", ccb); 4818 return (CAM_PATH_INVALID); 4819 } 4820 4821 /* 4822 * Ask the MPT to abort the current target command 4823 */ 4824 static int 4825 mpt_abort_target_cmd(struct mpt_softc *mpt, request_t *cmd_req) 4826 { 4827 int error; 4828 request_t *req; 4829 PTR_MSG_TARGET_MODE_ABORT abtp; 4830 4831 req = mpt_get_request(mpt, FALSE); 4832 if (req == NULL) { 4833 return (-1); 4834 } 4835 abtp = req->req_vbuf; 4836 memset(abtp, 0, sizeof (*abtp)); 4837 4838 abtp->MsgContext = htole32(req->index | mpt->scsi_tgt_handler_id); 4839 abtp->AbortType = TARGET_MODE_ABORT_TYPE_EXACT_IO; 4840 abtp->Function = MPI_FUNCTION_TARGET_MODE_ABORT; 4841 abtp->ReplyWord = htole32(MPT_TGT_STATE(mpt, cmd_req)->reply_desc); 4842 error = 0; 4843 if (mpt->is_fc || mpt->is_sas) { 4844 mpt_send_cmd(mpt, req); 4845 } else { 4846 error = mpt_send_handshake_cmd(mpt, sizeof(*req), req); 4847 } 4848 return (error); 4849 } 4850 4851 /* 4852 * WE_TRUST_AUTO_GOOD_STATUS- I've found that setting 4853 * TARGET_STATUS_SEND_FLAGS_AUTO_GOOD_STATUS leads the 4854 * FC929 to set bogus FC_RSP fields (nonzero residuals 4855 * but w/o RESID fields set). This causes QLogic initiators 4856 * to think maybe that a frame was lost. 4857 * 4858 * WE_CAN_USE_AUTO_REPOST- we can't use AUTO_REPOST because 4859 * we use allocated requests to do TARGET_ASSIST and we 4860 * need to know when to release them. 4861 */ 4862 4863 static void 4864 mpt_scsi_tgt_status(struct mpt_softc *mpt, union ccb *ccb, request_t *cmd_req, 4865 uint8_t status, uint8_t const *sense_data) 4866 { 4867 uint8_t *cmd_vbuf; 4868 mpt_tgt_state_t *tgt; 4869 PTR_MSG_TARGET_STATUS_SEND_REQUEST tp; 4870 request_t *req; 4871 bus_addr_t paddr; 4872 int resplen = 0; 4873 uint32_t fl; 4874 4875 cmd_vbuf = cmd_req->req_vbuf; 4876 cmd_vbuf += MPT_RQSL(mpt); 4877 tgt = MPT_TGT_STATE(mpt, cmd_req); 4878 4879 if ((req = mpt_get_request(mpt, FALSE)) == NULL) { 4880 if (mpt->outofbeer == 0) { 4881 mpt->outofbeer = 1; 4882 xpt_freeze_simq(mpt->sim, 1); 4883 mpt_lprt(mpt, MPT_PRT_DEBUG, "FREEZEQ\n"); 4884 } 4885 if (ccb) { 4886 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 4887 mpt_set_ccb_status(ccb, CAM_REQUEUE_REQ); 4888 MPTLOCK_2_CAMLOCK(mpt); 4889 xpt_done(ccb); 4890 CAMLOCK_2_MPTLOCK(mpt); 4891 } else { 4892 mpt_prt(mpt, 4893 "could not allocate status request- dropping\n"); 4894 } 4895 return; 4896 } 4897 req->ccb = ccb; 4898 if (ccb) { 4899 ccb->ccb_h.ccb_mpt_ptr = mpt; 4900 ccb->ccb_h.ccb_req_ptr = req; 4901 } 4902 4903 /* 4904 * Record the currently active ccb, if any, and the 4905 * request for it in our target state area. 4906 */ 4907 tgt->ccb = ccb; 4908 tgt->req = req; 4909 tgt->state = TGT_STATE_SENDING_STATUS; 4910 4911 tp = req->req_vbuf; 4912 paddr = req->req_pbuf; 4913 paddr += MPT_RQSL(mpt); 4914 4915 memset(tp, 0, sizeof (*tp)); 4916 tp->Function = MPI_FUNCTION_TARGET_STATUS_SEND; 4917 if (mpt->is_fc) { 4918 PTR_MPI_TARGET_FCP_CMD_BUFFER fc = 4919 (PTR_MPI_TARGET_FCP_CMD_BUFFER) cmd_vbuf; 4920 uint8_t *sts_vbuf; 4921 uint32_t *rsp; 4922 4923 sts_vbuf = req->req_vbuf; 4924 sts_vbuf += MPT_RQSL(mpt); 4925 rsp = (uint32_t *) sts_vbuf; 4926 memcpy(tp->LUN, fc->FcpLun, sizeof (tp->LUN)); 4927 4928 /* 4929 * The MPI_TARGET_FCP_RSP_BUFFER define is unfortunate. 4930 * It has to be big-endian in memory and is organized 4931 * in 32 bit words, which are much easier to deal with 4932 * as words which are swizzled as needed. 4933 * 4934 * All we're filling here is the FC_RSP payload. 4935 * We may just have the chip synthesize it if 4936 * we have no residual and an OK status. 4937 * 4938 */ 4939 memset(rsp, 0, sizeof (MPI_TARGET_FCP_RSP_BUFFER)); 4940 4941 rsp[2] = status; 4942 if (tgt->resid) { 4943 rsp[2] |= 0x800; /* XXXX NEED MNEMONIC!!!! */ 4944 rsp[3] = htobe32(tgt->resid); 4945 #ifdef WE_TRUST_AUTO_GOOD_STATUS 4946 resplen = sizeof (MPI_TARGET_FCP_RSP_BUFFER); 4947 #endif 4948 } 4949 if (status == SCSI_STATUS_CHECK_COND) { 4950 int i; 4951 4952 rsp[2] |= 0x200; /* XXXX NEED MNEMONIC!!!! */ 4953 rsp[4] = htobe32(MPT_SENSE_SIZE); 4954 if (sense_data) { 4955 memcpy(&rsp[8], sense_data, MPT_SENSE_SIZE); 4956 } else { 4957 mpt_prt(mpt, "mpt_scsi_tgt_status: CHECK CONDI" 4958 "TION but no sense data?\n"); 4959 memset(&rsp, 0, MPT_SENSE_SIZE); 4960 } 4961 for (i = 8; i < (8 + (MPT_SENSE_SIZE >> 2)); i++) { 4962 rsp[i] = htobe32(rsp[i]); 4963 } 4964 #ifdef WE_TRUST_AUTO_GOOD_STATUS 4965 resplen = sizeof (MPI_TARGET_FCP_RSP_BUFFER); 4966 #endif 4967 } 4968 #ifndef WE_TRUST_AUTO_GOOD_STATUS 4969 resplen = sizeof (MPI_TARGET_FCP_RSP_BUFFER); 4970 #endif 4971 rsp[2] = htobe32(rsp[2]); 4972 } else if (mpt->is_sas) { 4973 PTR_MPI_TARGET_SSP_CMD_BUFFER ssp = 4974 (PTR_MPI_TARGET_SSP_CMD_BUFFER) cmd_vbuf; 4975 memcpy(tp->LUN, ssp->LogicalUnitNumber, sizeof (tp->LUN)); 4976 } else { 4977 PTR_MPI_TARGET_SCSI_SPI_CMD_BUFFER sp = 4978 (PTR_MPI_TARGET_SCSI_SPI_CMD_BUFFER) cmd_vbuf; 4979 tp->StatusCode = status; 4980 tp->QueueTag = htole16(sp->Tag); 4981 memcpy(tp->LUN, sp->LogicalUnitNumber, sizeof (tp->LUN)); 4982 } 4983 4984 tp->ReplyWord = htole32(tgt->reply_desc); 4985 tp->MsgContext = htole32(req->index | mpt->scsi_tgt_handler_id); 4986 4987 #ifdef WE_CAN_USE_AUTO_REPOST 4988 tp->MsgFlags = TARGET_STATUS_SEND_FLAGS_REPOST_CMD_BUFFER; 4989 #endif 4990 if (status == SCSI_STATUS_OK && resplen == 0) { 4991 tp->MsgFlags |= TARGET_STATUS_SEND_FLAGS_AUTO_GOOD_STATUS; 4992 } else { 4993 tp->StatusDataSGE.u.Address32 = htole32((uint32_t) paddr); 4994 fl = 4995 MPI_SGE_FLAGS_HOST_TO_IOC | 4996 MPI_SGE_FLAGS_SIMPLE_ELEMENT | 4997 MPI_SGE_FLAGS_LAST_ELEMENT | 4998 MPI_SGE_FLAGS_END_OF_LIST | 4999 MPI_SGE_FLAGS_END_OF_BUFFER; 5000 fl <<= MPI_SGE_FLAGS_SHIFT; 5001 fl |= resplen; 5002 tp->StatusDataSGE.FlagsLength = htole32(fl); 5003 } 5004 5005 mpt_lprt(mpt, MPT_PRT_DEBUG, 5006 "STATUS_CCB %p (wit%s sense) tag %x req %p:%u resid %u\n", 5007 ccb, sense_data?"h" : "hout", ccb? ccb->csio.tag_id : -1, req, 5008 req->serno, tgt->resid); 5009 if (ccb) { 5010 ccb->ccb_h.status = CAM_SIM_QUEUED | CAM_REQ_INPROG; 5011 mpt_req_timeout(req, 60 * hz, mpt_timeout, ccb); 5012 } 5013 mpt_send_cmd(mpt, req); 5014 } 5015 5016 static void 5017 mpt_scsi_tgt_tsk_mgmt(struct mpt_softc *mpt, request_t *req, mpt_task_mgmt_t fc, 5018 tgt_resource_t *trtp, int init_id) 5019 { 5020 struct ccb_immed_notify *inot; 5021 mpt_tgt_state_t *tgt; 5022 5023 tgt = MPT_TGT_STATE(mpt, req); 5024 inot = (struct ccb_immed_notify *) STAILQ_FIRST(&trtp->inots); 5025 if (inot == NULL) { 5026 mpt_lprt(mpt, MPT_PRT_WARN, "no INOTSs- sending back BSY\n"); 5027 mpt_scsi_tgt_status(mpt, NULL, req, SCSI_STATUS_BUSY, NULL); 5028 return; 5029 } 5030 STAILQ_REMOVE_HEAD(&trtp->inots, sim_links.stqe); 5031 mpt_lprt(mpt, MPT_PRT_DEBUG1, 5032 "Get FREE INOT %p lun %d\n", inot, inot->ccb_h.target_lun); 5033 5034 memset(&inot->sense_data, 0, sizeof (inot->sense_data)); 5035 inot->sense_len = 0; 5036 memset(inot->message_args, 0, sizeof (inot->message_args)); 5037 inot->initiator_id = init_id; /* XXX */ 5038 5039 /* 5040 * This is a somewhat grotesque attempt to map from task management 5041 * to old style SCSI messages. God help us all. 5042 */ 5043 switch (fc) { 5044 case MPT_ABORT_TASK_SET: 5045 inot->message_args[0] = MSG_ABORT_TAG; 5046 break; 5047 case MPT_CLEAR_TASK_SET: 5048 inot->message_args[0] = MSG_CLEAR_TASK_SET; 5049 break; 5050 case MPT_TARGET_RESET: 5051 inot->message_args[0] = MSG_TARGET_RESET; 5052 break; 5053 case MPT_CLEAR_ACA: 5054 inot->message_args[0] = MSG_CLEAR_ACA; 5055 break; 5056 case MPT_TERMINATE_TASK: 5057 inot->message_args[0] = MSG_ABORT_TAG; 5058 break; 5059 default: 5060 inot->message_args[0] = MSG_NOOP; 5061 break; 5062 } 5063 tgt->ccb = (union ccb *) inot; 5064 inot->ccb_h.status = CAM_MESSAGE_RECV|CAM_DEV_QFRZN; 5065 MPTLOCK_2_CAMLOCK(mpt); 5066 xpt_done((union ccb *)inot); 5067 CAMLOCK_2_MPTLOCK(mpt); 5068 } 5069 5070 static void 5071 mpt_scsi_tgt_atio(struct mpt_softc *mpt, request_t *req, uint32_t reply_desc) 5072 { 5073 static uint8_t null_iqd[SHORT_INQUIRY_LENGTH] = { 5074 0x7f, 0x00, 0x02, 0x02, 0x20, 0x00, 0x00, 0x32, 5075 'F', 'R', 'E', 'E', 'B', 'S', 'D', ' ', 5076 'L', 'S', 'I', '-', 'L', 'O', 'G', 'I', 5077 'C', ' ', 'N', 'U', 'L', 'D', 'E', 'V', 5078 '0', '0', '0', '1' 5079 }; 5080 struct ccb_accept_tio *atiop; 5081 lun_id_t lun; 5082 int tag_action = 0; 5083 mpt_tgt_state_t *tgt; 5084 tgt_resource_t *trtp = NULL; 5085 U8 *lunptr; 5086 U8 *vbuf; 5087 U16 itag; 5088 U16 ioindex; 5089 mpt_task_mgmt_t fct = MPT_NIL_TMT_VALUE; 5090 uint8_t *cdbp; 5091 5092 /* 5093 * Stash info for the current command where we can get at it later. 5094 */ 5095 vbuf = req->req_vbuf; 5096 vbuf += MPT_RQSL(mpt); 5097 5098 /* 5099 * Get our state pointer set up. 5100 */ 5101 tgt = MPT_TGT_STATE(mpt, req); 5102 if (tgt->state != TGT_STATE_LOADED) { 5103 mpt_tgt_dump_req_state(mpt, req); 5104 panic("bad target state in mpt_scsi_tgt_atio"); 5105 } 5106 memset(tgt, 0, sizeof (mpt_tgt_state_t)); 5107 tgt->state = TGT_STATE_IN_CAM; 5108 tgt->reply_desc = reply_desc; 5109 ioindex = GET_IO_INDEX(reply_desc); 5110 if (mpt->verbose >= MPT_PRT_DEBUG) { 5111 mpt_dump_data(mpt, "mpt_scsi_tgt_atio response", vbuf, 5112 max(sizeof (MPI_TARGET_FCP_CMD_BUFFER), 5113 max(sizeof (MPI_TARGET_SSP_CMD_BUFFER), 5114 sizeof (MPI_TARGET_SCSI_SPI_CMD_BUFFER)))); 5115 } 5116 if (mpt->is_fc) { 5117 PTR_MPI_TARGET_FCP_CMD_BUFFER fc; 5118 fc = (PTR_MPI_TARGET_FCP_CMD_BUFFER) vbuf; 5119 if (fc->FcpCntl[2]) { 5120 /* 5121 * Task Management Request 5122 */ 5123 switch (fc->FcpCntl[2]) { 5124 case 0x2: 5125 fct = MPT_ABORT_TASK_SET; 5126 break; 5127 case 0x4: 5128 fct = MPT_CLEAR_TASK_SET; 5129 break; 5130 case 0x20: 5131 fct = MPT_TARGET_RESET; 5132 break; 5133 case 0x40: 5134 fct = MPT_CLEAR_ACA; 5135 break; 5136 case 0x80: 5137 fct = MPT_TERMINATE_TASK; 5138 break; 5139 default: 5140 mpt_prt(mpt, "CORRUPTED TASK MGMT BITS: 0x%x\n", 5141 fc->FcpCntl[2]); 5142 mpt_scsi_tgt_status(mpt, 0, req, 5143 SCSI_STATUS_OK, 0); 5144 return; 5145 } 5146 } else { 5147 switch (fc->FcpCntl[1]) { 5148 case 0: 5149 tag_action = MSG_SIMPLE_Q_TAG; 5150 break; 5151 case 1: 5152 tag_action = MSG_HEAD_OF_Q_TAG; 5153 break; 5154 case 2: 5155 tag_action = MSG_ORDERED_Q_TAG; 5156 break; 5157 default: 5158 /* 5159 * Bah. Ignore Untagged Queing and ACA 5160 */ 5161 tag_action = MSG_SIMPLE_Q_TAG; 5162 break; 5163 } 5164 } 5165 tgt->resid = be32toh(fc->FcpDl); 5166 cdbp = fc->FcpCdb; 5167 lunptr = fc->FcpLun; 5168 itag = be16toh(fc->OptionalOxid); 5169 } else if (mpt->is_sas) { 5170 PTR_MPI_TARGET_SSP_CMD_BUFFER ssp; 5171 ssp = (PTR_MPI_TARGET_SSP_CMD_BUFFER) vbuf; 5172 cdbp = ssp->CDB; 5173 lunptr = ssp->LogicalUnitNumber; 5174 itag = ssp->InitiatorTag; 5175 } else { 5176 PTR_MPI_TARGET_SCSI_SPI_CMD_BUFFER sp; 5177 sp = (PTR_MPI_TARGET_SCSI_SPI_CMD_BUFFER) vbuf; 5178 cdbp = sp->CDB; 5179 lunptr = sp->LogicalUnitNumber; 5180 itag = sp->Tag; 5181 } 5182 5183 /* 5184 * Generate a simple lun 5185 */ 5186 switch (lunptr[0] & 0xc0) { 5187 case 0x40: 5188 lun = ((lunptr[0] & 0x3f) << 8) | lunptr[1]; 5189 break; 5190 case 0: 5191 lun = lunptr[1]; 5192 break; 5193 default: 5194 mpt_lprt(mpt, MPT_PRT_ERROR, "cannot handle this type lun\n"); 5195 lun = 0xffff; 5196 break; 5197 } 5198 5199 /* 5200 * Deal with non-enabled or bad luns here. 5201 */ 5202 if (lun >= MPT_MAX_LUNS || mpt->tenabled == 0 || 5203 mpt->trt[lun].enabled == 0) { 5204 if (mpt->twildcard) { 5205 trtp = &mpt->trt_wildcard; 5206 } else if (fct == MPT_NIL_TMT_VALUE) { 5207 /* 5208 * In this case, we haven't got an upstream listener 5209 * for either a specific lun or wildcard luns. We 5210 * have to make some sensible response. For regular 5211 * inquiry, just return some NOT HERE inquiry data. 5212 * For VPD inquiry, report illegal field in cdb. 5213 * For REQUEST SENSE, just return NO SENSE data. 5214 * REPORT LUNS gets illegal command. 5215 * All other commands get 'no such device'. 5216 */ 5217 uint8_t *sp, cond, buf[MPT_SENSE_SIZE]; 5218 size_t len; 5219 5220 memset(buf, 0, MPT_SENSE_SIZE); 5221 cond = SCSI_STATUS_CHECK_COND; 5222 buf[0] = 0xf0; 5223 buf[2] = 0x5; 5224 buf[7] = 0x8; 5225 sp = buf; 5226 tgt->tag_id = MPT_MAKE_TAGID(mpt, req, ioindex); 5227 5228 switch (cdbp[0]) { 5229 case INQUIRY: 5230 { 5231 if (cdbp[1] != 0) { 5232 buf[12] = 0x26; 5233 buf[13] = 0x01; 5234 break; 5235 } 5236 len = min(tgt->resid, cdbp[4]); 5237 len = min(len, sizeof (null_iqd)); 5238 mpt_lprt(mpt, MPT_PRT_DEBUG, 5239 "local inquiry %ld bytes\n", (long) len); 5240 mpt_scsi_tgt_local(mpt, req, lun, 1, 5241 null_iqd, len); 5242 return; 5243 } 5244 case REQUEST_SENSE: 5245 { 5246 buf[2] = 0x0; 5247 len = min(tgt->resid, cdbp[4]); 5248 len = min(len, sizeof (buf)); 5249 mpt_lprt(mpt, MPT_PRT_DEBUG, 5250 "local reqsense %ld bytes\n", (long) len); 5251 mpt_scsi_tgt_local(mpt, req, lun, 1, 5252 buf, len); 5253 return; 5254 } 5255 case REPORT_LUNS: 5256 mpt_lprt(mpt, MPT_PRT_DEBUG, "REPORT LUNS\n"); 5257 buf[12] = 0x26; 5258 return; 5259 default: 5260 mpt_lprt(mpt, MPT_PRT_DEBUG, 5261 "CMD 0x%x to unmanaged lun %u\n", 5262 cdbp[0], lun); 5263 buf[12] = 0x25; 5264 break; 5265 } 5266 mpt_scsi_tgt_status(mpt, NULL, req, cond, sp); 5267 return; 5268 } 5269 /* otherwise, leave trtp NULL */ 5270 } else { 5271 trtp = &mpt->trt[lun]; 5272 } 5273 5274 /* 5275 * Deal with any task management 5276 */ 5277 if (fct != MPT_NIL_TMT_VALUE) { 5278 if (trtp == NULL) { 5279 mpt_prt(mpt, "task mgmt function %x but no listener\n", 5280 fct); 5281 mpt_scsi_tgt_status(mpt, 0, req, 5282 SCSI_STATUS_OK, 0); 5283 } else { 5284 mpt_scsi_tgt_tsk_mgmt(mpt, req, fct, trtp, 5285 GET_INITIATOR_INDEX(reply_desc)); 5286 } 5287 return; 5288 } 5289 5290 5291 atiop = (struct ccb_accept_tio *) STAILQ_FIRST(&trtp->atios); 5292 if (atiop == NULL) { 5293 mpt_lprt(mpt, MPT_PRT_WARN, 5294 "no ATIOs for lun %u- sending back %s\n", lun, 5295 mpt->tenabled? "QUEUE FULL" : "BUSY"); 5296 mpt_scsi_tgt_status(mpt, NULL, req, 5297 mpt->tenabled? SCSI_STATUS_QUEUE_FULL : SCSI_STATUS_BUSY, 5298 NULL); 5299 return; 5300 } 5301 STAILQ_REMOVE_HEAD(&trtp->atios, sim_links.stqe); 5302 mpt_lprt(mpt, MPT_PRT_DEBUG1, 5303 "Get FREE ATIO %p lun %d\n", atiop, atiop->ccb_h.target_lun); 5304 atiop->ccb_h.ccb_mpt_ptr = mpt; 5305 atiop->ccb_h.status = CAM_CDB_RECVD; 5306 atiop->ccb_h.target_lun = lun; 5307 atiop->sense_len = 0; 5308 atiop->init_id = GET_INITIATOR_INDEX(reply_desc); 5309 atiop->cdb_len = mpt_cdblen(cdbp[0], 16); 5310 memcpy(atiop->cdb_io.cdb_bytes, cdbp, atiop->cdb_len); 5311 5312 /* 5313 * The tag we construct here allows us to find the 5314 * original request that the command came in with. 5315 * 5316 * This way we don't have to depend on anything but the 5317 * tag to find things when CCBs show back up from CAM. 5318 */ 5319 atiop->tag_id = MPT_MAKE_TAGID(mpt, req, ioindex); 5320 tgt->tag_id = atiop->tag_id; 5321 if (tag_action) { 5322 atiop->tag_action = tag_action; 5323 atiop->ccb_h.flags = CAM_TAG_ACTION_VALID; 5324 } 5325 if (mpt->verbose >= MPT_PRT_DEBUG) { 5326 int i; 5327 mpt_prt(mpt, "START_CCB %p for lun %u CDB=<", atiop, 5328 atiop->ccb_h.target_lun); 5329 for (i = 0; i < atiop->cdb_len; i++) { 5330 mpt_prtc(mpt, "%02x%c", cdbp[i] & 0xff, 5331 (i == (atiop->cdb_len - 1))? '>' : ' '); 5332 } 5333 mpt_prtc(mpt, " itag %x tag %x rdesc %x dl=%u\n", 5334 itag, atiop->tag_id, tgt->reply_desc, tgt->resid); 5335 } 5336 5337 MPTLOCK_2_CAMLOCK(mpt); 5338 xpt_done((union ccb *)atiop); 5339 CAMLOCK_2_MPTLOCK(mpt); 5340 } 5341 5342 static void 5343 mpt_tgt_dump_tgt_state(struct mpt_softc *mpt, request_t *req) 5344 { 5345 mpt_tgt_state_t *tgt = MPT_TGT_STATE(mpt, req); 5346 5347 mpt_prt(mpt, "req %p:%u tgt:rdesc 0x%x resid %u xfrd %u ccb %p treq %p " 5348 "nx %d tag 0x%08x state=%d\n", req, req->serno, tgt->reply_desc, 5349 tgt->resid, tgt->bytes_xfered, tgt->ccb, tgt->req, tgt->nxfers, 5350 tgt->tag_id, tgt->state); 5351 } 5352 5353 static void 5354 mpt_tgt_dump_req_state(struct mpt_softc *mpt, request_t *req) 5355 { 5356 5357 mpt_prt(mpt, "req %p:%u index %u (%x) state %x\n", req, req->serno, 5358 req->index, req->index, req->state); 5359 mpt_tgt_dump_tgt_state(mpt, req); 5360 } 5361 5362 static int 5363 mpt_scsi_tgt_reply_handler(struct mpt_softc *mpt, request_t *req, 5364 uint32_t reply_desc, MSG_DEFAULT_REPLY *reply_frame) 5365 { 5366 int dbg; 5367 union ccb *ccb; 5368 U16 status; 5369 5370 if (reply_frame == NULL) { 5371 /* 5372 * Figure out what the state of the command is. 5373 */ 5374 mpt_tgt_state_t *tgt = MPT_TGT_STATE(mpt, req); 5375 5376 #ifdef INVARIANTS 5377 mpt_req_spcl(mpt, req, "turbo scsi_tgt_reply", __LINE__); 5378 if (tgt->req) { 5379 mpt_req_not_spcl(mpt, tgt->req, 5380 "turbo scsi_tgt_reply associated req", __LINE__); 5381 } 5382 #endif 5383 switch(tgt->state) { 5384 case TGT_STATE_LOADED: 5385 /* 5386 * This is a new command starting. 5387 */ 5388 mpt_scsi_tgt_atio(mpt, req, reply_desc); 5389 break; 5390 case TGT_STATE_MOVING_DATA: 5391 { 5392 uint8_t *sp = NULL, sense[MPT_SENSE_SIZE]; 5393 5394 ccb = tgt->ccb; 5395 if (tgt->req == NULL) { 5396 panic("mpt: turbo target reply with null " 5397 "associated request moving data"); 5398 /* NOTREACHED */ 5399 } 5400 if (ccb == NULL) { 5401 if (tgt->is_local == 0) { 5402 panic("mpt: turbo target reply with " 5403 "null associated ccb moving data"); 5404 /* NOTREACHED */ 5405 } 5406 mpt_lprt(mpt, MPT_PRT_DEBUG, 5407 "TARGET_ASSIST local done\n"); 5408 TAILQ_REMOVE(&mpt->request_pending_list, 5409 tgt->req, links); 5410 mpt_free_request(mpt, tgt->req); 5411 tgt->req = NULL; 5412 mpt_scsi_tgt_status(mpt, NULL, req, 5413 0, NULL); 5414 return (TRUE); 5415 } 5416 tgt->ccb = NULL; 5417 tgt->nxfers++; 5418 mpt_req_untimeout(req, mpt_timeout, ccb); 5419 mpt_lprt(mpt, MPT_PRT_DEBUG, 5420 "TARGET_ASSIST %p (req %p:%u) done tag 0x%x\n", 5421 ccb, tgt->req, tgt->req->serno, ccb->csio.tag_id); 5422 /* 5423 * Free the Target Assist Request 5424 */ 5425 KASSERT(tgt->req->ccb == ccb, 5426 ("tgt->req %p:%u tgt->req->ccb %p", tgt->req, 5427 tgt->req->serno, tgt->req->ccb)); 5428 TAILQ_REMOVE(&mpt->request_pending_list, 5429 tgt->req, links); 5430 mpt_free_request(mpt, tgt->req); 5431 tgt->req = NULL; 5432 5433 /* 5434 * Do we need to send status now? That is, are 5435 * we done with all our data transfers? 5436 */ 5437 if ((ccb->ccb_h.flags & CAM_SEND_STATUS) == 0) { 5438 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 5439 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 5440 KASSERT(ccb->ccb_h.status, 5441 ("zero ccb sts at %d", __LINE__)); 5442 tgt->state = TGT_STATE_IN_CAM; 5443 if (mpt->outofbeer) { 5444 ccb->ccb_h.status |= CAM_RELEASE_SIMQ; 5445 mpt->outofbeer = 0; 5446 mpt_lprt(mpt, MPT_PRT_DEBUG, "THAWQ\n"); 5447 } 5448 MPTLOCK_2_CAMLOCK(mpt); 5449 xpt_done(ccb); 5450 CAMLOCK_2_MPTLOCK(mpt); 5451 break; 5452 } 5453 /* 5454 * Otherwise, send status (and sense) 5455 */ 5456 if (ccb->ccb_h.flags & CAM_SEND_SENSE) { 5457 sp = sense; 5458 memcpy(sp, &ccb->csio.sense_data, 5459 min(ccb->csio.sense_len, MPT_SENSE_SIZE)); 5460 } 5461 mpt_scsi_tgt_status(mpt, ccb, req, 5462 ccb->csio.scsi_status, sp); 5463 break; 5464 } 5465 case TGT_STATE_SENDING_STATUS: 5466 case TGT_STATE_MOVING_DATA_AND_STATUS: 5467 { 5468 int ioindex; 5469 ccb = tgt->ccb; 5470 5471 if (tgt->req == NULL) { 5472 panic("mpt: turbo target reply with null " 5473 "associated request sending status"); 5474 /* NOTREACHED */ 5475 } 5476 5477 if (ccb) { 5478 tgt->ccb = NULL; 5479 if (tgt->state == 5480 TGT_STATE_MOVING_DATA_AND_STATUS) { 5481 tgt->nxfers++; 5482 } 5483 mpt_req_untimeout(req, mpt_timeout, ccb); 5484 if (ccb->ccb_h.flags & CAM_SEND_SENSE) { 5485 ccb->ccb_h.status |= CAM_SENT_SENSE; 5486 } 5487 mpt_lprt(mpt, MPT_PRT_DEBUG, 5488 "TARGET_STATUS tag %x sts %x flgs %x req " 5489 "%p\n", ccb->csio.tag_id, ccb->ccb_h.status, 5490 ccb->ccb_h.flags, tgt->req); 5491 /* 5492 * Free the Target Send Status Request 5493 */ 5494 KASSERT(tgt->req->ccb == ccb, 5495 ("tgt->req %p:%u tgt->req->ccb %p", 5496 tgt->req, tgt->req->serno, tgt->req->ccb)); 5497 /* 5498 * Notify CAM that we're done 5499 */ 5500 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 5501 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 5502 KASSERT(ccb->ccb_h.status, 5503 ("ZERO ccb sts at %d", __LINE__)); 5504 tgt->ccb = NULL; 5505 } else { 5506 mpt_lprt(mpt, MPT_PRT_DEBUG, 5507 "TARGET_STATUS non-CAM for req %p:%u\n", 5508 tgt->req, tgt->req->serno); 5509 } 5510 TAILQ_REMOVE(&mpt->request_pending_list, 5511 tgt->req, links); 5512 mpt_free_request(mpt, tgt->req); 5513 tgt->req = NULL; 5514 5515 /* 5516 * And re-post the Command Buffer. 5517 * This will reset the state. 5518 */ 5519 ioindex = GET_IO_INDEX(reply_desc); 5520 TAILQ_REMOVE(&mpt->request_pending_list, req, links); 5521 tgt->is_local = 0; 5522 mpt_post_target_command(mpt, req, ioindex); 5523 5524 /* 5525 * And post a done for anyone who cares 5526 */ 5527 if (ccb) { 5528 if (mpt->outofbeer) { 5529 ccb->ccb_h.status |= CAM_RELEASE_SIMQ; 5530 mpt->outofbeer = 0; 5531 mpt_lprt(mpt, MPT_PRT_DEBUG, "THAWQ\n"); 5532 } 5533 MPTLOCK_2_CAMLOCK(mpt); 5534 xpt_done(ccb); 5535 CAMLOCK_2_MPTLOCK(mpt); 5536 } 5537 break; 5538 } 5539 case TGT_STATE_NIL: /* XXX This Never Happens XXX */ 5540 tgt->state = TGT_STATE_LOADED; 5541 break; 5542 default: 5543 mpt_prt(mpt, "Unknown Target State 0x%x in Context " 5544 "Reply Function\n", tgt->state); 5545 } 5546 return (TRUE); 5547 } 5548 5549 status = le16toh(reply_frame->IOCStatus); 5550 if (status != MPI_IOCSTATUS_SUCCESS) { 5551 dbg = MPT_PRT_ERROR; 5552 } else { 5553 dbg = MPT_PRT_DEBUG1; 5554 } 5555 5556 mpt_lprt(mpt, dbg, 5557 "SCSI_TGT REPLY: req=%p:%u reply=%p func=%x IOCstatus 0x%x\n", 5558 req, req->serno, reply_frame, reply_frame->Function, status); 5559 5560 switch (reply_frame->Function) { 5561 case MPI_FUNCTION_TARGET_CMD_BUFFER_POST: 5562 { 5563 mpt_tgt_state_t *tgt; 5564 #ifdef INVARIANTS 5565 mpt_req_spcl(mpt, req, "tgt reply BUFFER POST", __LINE__); 5566 #endif 5567 if (status != MPI_IOCSTATUS_SUCCESS) { 5568 /* 5569 * XXX What to do? 5570 */ 5571 break; 5572 } 5573 tgt = MPT_TGT_STATE(mpt, req); 5574 KASSERT(tgt->state == TGT_STATE_LOADING, 5575 ("bad state 0x%x on reply to buffer post", tgt->state)); 5576 mpt_assign_serno(mpt, req); 5577 tgt->state = TGT_STATE_LOADED; 5578 break; 5579 } 5580 case MPI_FUNCTION_TARGET_ASSIST: 5581 #ifdef INVARIANTS 5582 mpt_req_not_spcl(mpt, req, "tgt reply TARGET ASSIST", __LINE__); 5583 #endif 5584 mpt_prt(mpt, "target assist completion\n"); 5585 TAILQ_REMOVE(&mpt->request_pending_list, req, links); 5586 mpt_free_request(mpt, req); 5587 break; 5588 case MPI_FUNCTION_TARGET_STATUS_SEND: 5589 #ifdef INVARIANTS 5590 mpt_req_not_spcl(mpt, req, "tgt reply STATUS SEND", __LINE__); 5591 #endif 5592 mpt_prt(mpt, "status send completion\n"); 5593 TAILQ_REMOVE(&mpt->request_pending_list, req, links); 5594 mpt_free_request(mpt, req); 5595 break; 5596 case MPI_FUNCTION_TARGET_MODE_ABORT: 5597 { 5598 PTR_MSG_TARGET_MODE_ABORT_REPLY abtrp = 5599 (PTR_MSG_TARGET_MODE_ABORT_REPLY) reply_frame; 5600 PTR_MSG_TARGET_MODE_ABORT abtp = 5601 (PTR_MSG_TARGET_MODE_ABORT) req->req_vbuf; 5602 uint32_t cc = GET_IO_INDEX(le32toh(abtp->ReplyWord)); 5603 #ifdef INVARIANTS 5604 mpt_req_not_spcl(mpt, req, "tgt reply TMODE ABORT", __LINE__); 5605 #endif 5606 mpt_prt(mpt, "ABORT RX_ID 0x%x Complete; status 0x%x cnt %u\n", 5607 cc, le16toh(abtrp->IOCStatus), le32toh(abtrp->AbortCount)); 5608 TAILQ_REMOVE(&mpt->request_pending_list, req, links); 5609 mpt_free_request(mpt, req); 5610 break; 5611 } 5612 default: 5613 mpt_prt(mpt, "Unknown Target Address Reply Function code: " 5614 "0x%x\n", reply_frame->Function); 5615 break; 5616 } 5617 return (TRUE); 5618 } 5619