1 /*- 2 * FreeBSD/CAM specific routines for LSI '909 FC adapters. 3 * FreeBSD Version. 4 * 5 * Copyright (c) 2000, 2001 by Greg Ansley 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice immediately at the beginning of the file, without modification, 12 * this list of conditions, and the following disclaimer. 13 * 2. The name of the author may not be used to endorse or promote products 14 * derived from this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR 20 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 /*- 29 * Copyright (c) 2002, 2006 by Matthew Jacob 30 * All rights reserved. 31 * 32 * Redistribution and use in source and binary forms, with or without 33 * modification, are permitted provided that the following conditions are 34 * met: 35 * 1. Redistributions of source code must retain the above copyright 36 * notice, this list of conditions and the following disclaimer. 37 * 2. Redistributions in binary form must reproduce at minimum a disclaimer 38 * substantially similar to the "NO WARRANTY" disclaimer below 39 * ("Disclaimer") and any redistribution must be conditioned upon including 40 * a substantially similar Disclaimer requirement for further binary 41 * redistribution. 42 * 3. Neither the names of the above listed copyright holders nor the names 43 * of any contributors may be used to endorse or promote products derived 44 * from this software without specific prior written permission. 45 * 46 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 47 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 48 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 49 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 50 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 51 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 52 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 53 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 54 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 55 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF THE COPYRIGHT 56 * OWNER OR CONTRIBUTOR IS ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 57 * 58 * Support from Chris Ellsworth in order to make SAS adapters work 59 * is gratefully acknowledged. 60 * 61 * Support from LSI-Logic has also gone a great deal toward making this a 62 * workable subsystem and is gratefully acknowledged. 63 */ 64 /*- 65 * Copyright (c) 2004, Avid Technology, Inc. and its contributors. 66 * Copyright (c) 2005, WHEEL Sp. z o.o. 67 * Copyright (c) 2004, 2005 Justin T. Gibbs 68 * All rights reserved. 69 * 70 * Redistribution and use in source and binary forms, with or without 71 * modification, are permitted provided that the following conditions are 72 * met: 73 * 1. Redistributions of source code must retain the above copyright 74 * notice, this list of conditions and the following disclaimer. 75 * 2. Redistributions in binary form must reproduce at minimum a disclaimer 76 * substantially similar to the "NO WARRANTY" disclaimer below 77 * ("Disclaimer") and any redistribution must be conditioned upon including 78 * a substantially similar Disclaimer requirement for further binary 79 * redistribution. 80 * 3. Neither the names of the above listed copyright holders nor the names 81 * of any contributors may be used to endorse or promote products derived 82 * from this software without specific prior written permission. 83 * 84 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 85 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 86 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 87 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 88 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 89 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 90 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 91 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 92 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 93 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF THE COPYRIGHT 94 * OWNER OR CONTRIBUTOR IS ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 95 */ 96 #include <sys/cdefs.h> 97 __FBSDID("$FreeBSD$"); 98 99 #include <dev/mpt/mpt.h> 100 #include <dev/mpt/mpt_cam.h> 101 #include <dev/mpt/mpt_raid.h> 102 103 #include "dev/mpt/mpilib/mpi_ioc.h" /* XXX Fix Event Handling!!! */ 104 #include "dev/mpt/mpilib/mpi_init.h" 105 #include "dev/mpt/mpilib/mpi_targ.h" 106 #include "dev/mpt/mpilib/mpi_fc.h" 107 #if __FreeBSD_version >= 500000 108 #include <sys/sysctl.h> 109 #endif 110 #include <sys/callout.h> 111 #include <sys/kthread.h> 112 113 #if __FreeBSD_version >= 700025 114 #ifndef CAM_NEW_TRAN_CODE 115 #define CAM_NEW_TRAN_CODE 1 116 #endif 117 #endif 118 119 static void mpt_poll(struct cam_sim *); 120 static timeout_t mpt_timeout; 121 static void mpt_action(struct cam_sim *, union ccb *); 122 static int 123 mpt_get_spi_settings(struct mpt_softc *, struct ccb_trans_settings *); 124 static void mpt_setwidth(struct mpt_softc *, int, int); 125 static void mpt_setsync(struct mpt_softc *, int, int, int); 126 static int mpt_update_spi_config(struct mpt_softc *, int); 127 static void mpt_calc_geometry(struct ccb_calc_geometry *ccg, int extended); 128 129 static mpt_reply_handler_t mpt_scsi_reply_handler; 130 static mpt_reply_handler_t mpt_scsi_tmf_reply_handler; 131 static mpt_reply_handler_t mpt_fc_els_reply_handler; 132 static int mpt_scsi_reply_frame_handler(struct mpt_softc *, request_t *, 133 MSG_DEFAULT_REPLY *); 134 static int mpt_bus_reset(struct mpt_softc *, target_id_t, lun_id_t, int); 135 static int mpt_fc_reset_link(struct mpt_softc *, int); 136 137 static int mpt_spawn_recovery_thread(struct mpt_softc *mpt); 138 static void mpt_terminate_recovery_thread(struct mpt_softc *mpt); 139 static void mpt_recovery_thread(void *arg); 140 static void mpt_recover_commands(struct mpt_softc *mpt); 141 142 static int mpt_scsi_send_tmf(struct mpt_softc *, u_int, u_int, u_int, 143 u_int, u_int, u_int, int); 144 145 static void mpt_fc_post_els(struct mpt_softc *mpt, request_t *, int); 146 static void mpt_post_target_command(struct mpt_softc *, request_t *, int); 147 static int mpt_add_els_buffers(struct mpt_softc *mpt); 148 static int mpt_add_target_commands(struct mpt_softc *mpt); 149 static int mpt_enable_lun(struct mpt_softc *, target_id_t, lun_id_t); 150 static int mpt_disable_lun(struct mpt_softc *, target_id_t, lun_id_t); 151 static void mpt_target_start_io(struct mpt_softc *, union ccb *); 152 static cam_status mpt_abort_target_ccb(struct mpt_softc *, union ccb *); 153 static int mpt_abort_target_cmd(struct mpt_softc *, request_t *); 154 static void mpt_scsi_tgt_status(struct mpt_softc *, union ccb *, request_t *, 155 uint8_t, uint8_t const *); 156 static void 157 mpt_scsi_tgt_tsk_mgmt(struct mpt_softc *, request_t *, mpt_task_mgmt_t, 158 tgt_resource_t *, int); 159 static void mpt_tgt_dump_tgt_state(struct mpt_softc *, request_t *); 160 static void mpt_tgt_dump_req_state(struct mpt_softc *, request_t *); 161 static mpt_reply_handler_t mpt_scsi_tgt_reply_handler; 162 163 static uint32_t scsi_io_handler_id = MPT_HANDLER_ID_NONE; 164 static uint32_t scsi_tmf_handler_id = MPT_HANDLER_ID_NONE; 165 static uint32_t fc_els_handler_id = MPT_HANDLER_ID_NONE; 166 167 static mpt_probe_handler_t mpt_cam_probe; 168 static mpt_attach_handler_t mpt_cam_attach; 169 static mpt_enable_handler_t mpt_cam_enable; 170 static mpt_ready_handler_t mpt_cam_ready; 171 static mpt_event_handler_t mpt_cam_event; 172 static mpt_reset_handler_t mpt_cam_ioc_reset; 173 static mpt_detach_handler_t mpt_cam_detach; 174 175 static struct mpt_personality mpt_cam_personality = 176 { 177 .name = "mpt_cam", 178 .probe = mpt_cam_probe, 179 .attach = mpt_cam_attach, 180 .enable = mpt_cam_enable, 181 .ready = mpt_cam_ready, 182 .event = mpt_cam_event, 183 .reset = mpt_cam_ioc_reset, 184 .detach = mpt_cam_detach, 185 }; 186 187 DECLARE_MPT_PERSONALITY(mpt_cam, SI_ORDER_SECOND); 188 MODULE_DEPEND(mpt_cam, cam, 1, 1, 1); 189 190 int 191 mpt_cam_probe(struct mpt_softc *mpt) 192 { 193 int role; 194 195 /* 196 * Only attach to nodes that support the initiator or target role 197 * (or want to) or have RAID physical devices that need CAM pass-thru 198 * support. 199 */ 200 if (mpt->do_cfg_role) { 201 role = mpt->cfg_role; 202 } else { 203 role = mpt->role; 204 } 205 if ((role & (MPT_ROLE_TARGET|MPT_ROLE_INITIATOR)) != 0 || 206 (mpt->ioc_page2 != NULL && mpt->ioc_page2->MaxPhysDisks != 0)) { 207 return (0); 208 } 209 return (ENODEV); 210 } 211 212 int 213 mpt_cam_attach(struct mpt_softc *mpt) 214 { 215 struct cam_devq *devq; 216 mpt_handler_t handler; 217 int maxq; 218 int error; 219 220 TAILQ_INIT(&mpt->request_timeout_list); 221 maxq = (mpt->ioc_facts.GlobalCredits < MPT_MAX_REQUESTS(mpt))? 222 mpt->ioc_facts.GlobalCredits : MPT_MAX_REQUESTS(mpt); 223 224 handler.reply_handler = mpt_scsi_reply_handler; 225 error = mpt_register_handler(mpt, MPT_HANDLER_REPLY, handler, 226 &scsi_io_handler_id); 227 if (error != 0) { 228 goto cleanup0; 229 } 230 231 handler.reply_handler = mpt_scsi_tmf_reply_handler; 232 error = mpt_register_handler(mpt, MPT_HANDLER_REPLY, handler, 233 &scsi_tmf_handler_id); 234 if (error != 0) { 235 goto cleanup0; 236 } 237 238 /* 239 * If we're fibre channel and could support target mode, we register 240 * an ELS reply handler and give it resources. 241 */ 242 if (mpt->is_fc && (mpt->role & MPT_ROLE_TARGET) != 0) { 243 handler.reply_handler = mpt_fc_els_reply_handler; 244 error = mpt_register_handler(mpt, MPT_HANDLER_REPLY, handler, 245 &fc_els_handler_id); 246 if (error != 0) { 247 goto cleanup0; 248 } 249 if (mpt_add_els_buffers(mpt) == FALSE) { 250 error = ENOMEM; 251 goto cleanup0; 252 } 253 maxq -= mpt->els_cmds_allocated; 254 } 255 256 /* 257 * If we support target mode, we register a reply handler for it, 258 * but don't add command resources until we actually enable target 259 * mode. 260 */ 261 if (mpt->is_fc && (mpt->role & MPT_ROLE_TARGET) != 0) { 262 handler.reply_handler = mpt_scsi_tgt_reply_handler; 263 error = mpt_register_handler(mpt, MPT_HANDLER_REPLY, handler, 264 &mpt->scsi_tgt_handler_id); 265 if (error != 0) { 266 goto cleanup0; 267 } 268 } 269 270 /* 271 * We keep one request reserved for timeout TMF requests. 272 */ 273 mpt->tmf_req = mpt_get_request(mpt, FALSE); 274 if (mpt->tmf_req == NULL) { 275 mpt_prt(mpt, "Unable to allocate dedicated TMF request!\n"); 276 error = ENOMEM; 277 goto cleanup0; 278 } 279 280 /* 281 * Mark the request as free even though not on the free list. 282 * There is only one TMF request allowed to be outstanding at 283 * a time and the TMF routines perform their own allocation 284 * tracking using the standard state flags. 285 */ 286 mpt->tmf_req->state = REQ_STATE_FREE; 287 maxq--; 288 289 if (mpt_spawn_recovery_thread(mpt) != 0) { 290 mpt_prt(mpt, "Unable to spawn recovery thread!\n"); 291 error = ENOMEM; 292 goto cleanup0; 293 } 294 295 /* 296 * The rest of this is CAM foo, for which we need to drop our lock 297 */ 298 MPTLOCK_2_CAMLOCK(mpt); 299 300 /* 301 * Create the device queue for our SIM(s). 302 */ 303 devq = cam_simq_alloc(maxq); 304 if (devq == NULL) { 305 mpt_prt(mpt, "Unable to allocate CAM SIMQ!\n"); 306 error = ENOMEM; 307 goto cleanup; 308 } 309 310 /* 311 * Construct our SIM entry. 312 */ 313 mpt->sim = cam_sim_alloc(mpt_action, mpt_poll, "mpt", mpt, 314 mpt->unit, 1, maxq, devq); 315 if (mpt->sim == NULL) { 316 mpt_prt(mpt, "Unable to allocate CAM SIM!\n"); 317 cam_simq_free(devq); 318 error = ENOMEM; 319 goto cleanup; 320 } 321 322 /* 323 * Register exactly this bus. 324 */ 325 if (xpt_bus_register(mpt->sim, 0) != CAM_SUCCESS) { 326 mpt_prt(mpt, "Bus registration Failed!\n"); 327 error = ENOMEM; 328 goto cleanup; 329 } 330 331 if (xpt_create_path(&mpt->path, NULL, cam_sim_path(mpt->sim), 332 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 333 mpt_prt(mpt, "Unable to allocate Path!\n"); 334 error = ENOMEM; 335 goto cleanup; 336 } 337 338 /* 339 * Only register a second bus for RAID physical 340 * devices if the controller supports RAID. 341 */ 342 if (mpt->ioc_page2 == NULL || mpt->ioc_page2->MaxPhysDisks == 0) { 343 CAMLOCK_2_MPTLOCK(mpt); 344 return (0); 345 } 346 347 /* 348 * Create a "bus" to export all hidden disks to CAM. 349 */ 350 mpt->phydisk_sim = cam_sim_alloc(mpt_action, mpt_poll, "mpt", mpt, 351 mpt->unit, 1, maxq, devq); 352 if (mpt->phydisk_sim == NULL) { 353 mpt_prt(mpt, "Unable to allocate Physical Disk CAM SIM!\n"); 354 error = ENOMEM; 355 goto cleanup; 356 } 357 358 /* 359 * Register this bus. 360 */ 361 if (xpt_bus_register(mpt->phydisk_sim, 1) != CAM_SUCCESS) { 362 mpt_prt(mpt, "Physical Disk Bus registration Failed!\n"); 363 error = ENOMEM; 364 goto cleanup; 365 } 366 367 if (xpt_create_path(&mpt->phydisk_path, NULL, 368 cam_sim_path(mpt->phydisk_sim), 369 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 370 mpt_prt(mpt, "Unable to allocate Physical Disk Path!\n"); 371 error = ENOMEM; 372 goto cleanup; 373 } 374 CAMLOCK_2_MPTLOCK(mpt); 375 mpt_lprt(mpt, MPT_PRT_DEBUG, "attached cam\n"); 376 return (0); 377 378 cleanup: 379 CAMLOCK_2_MPTLOCK(mpt); 380 cleanup0: 381 mpt_cam_detach(mpt); 382 return (error); 383 } 384 385 /* 386 * Read FC configuration information 387 */ 388 static int 389 mpt_read_config_info_fc(struct mpt_softc *mpt) 390 { 391 char *topology = NULL; 392 int rv; 393 394 rv = mpt_read_cfg_header(mpt, MPI_CONFIG_PAGETYPE_FC_PORT, 0, 395 0, &mpt->mpt_fcport_page0.Header, FALSE, 5000); 396 if (rv) { 397 return (-1); 398 } 399 mpt_lprt(mpt, MPT_PRT_DEBUG, "FC Port Page 0 Header: %x %x %x %x\n", 400 mpt->mpt_fcport_page0.Header.PageVersion, 401 mpt->mpt_fcport_page0.Header.PageLength, 402 mpt->mpt_fcport_page0.Header.PageNumber, 403 mpt->mpt_fcport_page0.Header.PageType); 404 405 406 rv = mpt_read_cur_cfg_page(mpt, 0, &mpt->mpt_fcport_page0.Header, 407 sizeof(mpt->mpt_fcport_page0), FALSE, 5000); 408 if (rv) { 409 mpt_prt(mpt, "failed to read FC Port Page 0\n"); 410 return (-1); 411 } 412 413 mpt->mpt_fcport_speed = mpt->mpt_fcport_page0.CurrentSpeed; 414 415 switch (mpt->mpt_fcport_page0.Flags & 416 MPI_FCPORTPAGE0_FLAGS_ATTACH_TYPE_MASK) { 417 case MPI_FCPORTPAGE0_FLAGS_ATTACH_NO_INIT: 418 mpt->mpt_fcport_speed = 0; 419 topology = "<NO LOOP>"; 420 break; 421 case MPI_FCPORTPAGE0_FLAGS_ATTACH_POINT_TO_POINT: 422 topology = "N-Port"; 423 break; 424 case MPI_FCPORTPAGE0_FLAGS_ATTACH_PRIVATE_LOOP: 425 topology = "NL-Port"; 426 break; 427 case MPI_FCPORTPAGE0_FLAGS_ATTACH_FABRIC_DIRECT: 428 topology = "F-Port"; 429 break; 430 case MPI_FCPORTPAGE0_FLAGS_ATTACH_PUBLIC_LOOP: 431 topology = "FL-Port"; 432 break; 433 default: 434 mpt->mpt_fcport_speed = 0; 435 topology = "?"; 436 break; 437 } 438 439 mpt_lprt(mpt, MPT_PRT_INFO, 440 "FC Port Page 0: Topology <%s> WWNN 0x%08x%08x WWPN 0x%08x%08x " 441 "Speed %u-Gbit\n", topology, 442 mpt->mpt_fcport_page0.WWNN.High, 443 mpt->mpt_fcport_page0.WWNN.Low, 444 mpt->mpt_fcport_page0.WWPN.High, 445 mpt->mpt_fcport_page0.WWPN.Low, 446 mpt->mpt_fcport_speed); 447 #if __FreeBSD_version >= 500000 448 { 449 struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(mpt->dev); 450 struct sysctl_oid *tree = device_get_sysctl_tree(mpt->dev); 451 452 snprintf(mpt->scinfo.fc.wwnn, 453 sizeof (mpt->scinfo.fc.wwnn), "0x%08x%08x", 454 mpt->mpt_fcport_page0.WWNN.High, 455 mpt->mpt_fcport_page0.WWNN.Low); 456 457 snprintf(mpt->scinfo.fc.wwpn, 458 sizeof (mpt->scinfo.fc.wwpn), "0x%08x%08x", 459 mpt->mpt_fcport_page0.WWPN.High, 460 mpt->mpt_fcport_page0.WWPN.Low); 461 462 SYSCTL_ADD_STRING(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 463 "wwnn", CTLFLAG_RD, mpt->scinfo.fc.wwnn, 0, 464 "World Wide Node Name"); 465 466 SYSCTL_ADD_STRING(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 467 "wwpn", CTLFLAG_RD, mpt->scinfo.fc.wwpn, 0, 468 "World Wide Port Name"); 469 470 } 471 #endif 472 return (0); 473 } 474 475 /* 476 * Set FC configuration information. 477 */ 478 static int 479 mpt_set_initial_config_fc(struct mpt_softc *mpt) 480 { 481 482 CONFIG_PAGE_FC_PORT_1 fc; 483 U32 fl; 484 int r, doit = 0; 485 int role; 486 487 r = mpt_read_cfg_header(mpt, MPI_CONFIG_PAGETYPE_FC_PORT, 1, 0, 488 &fc.Header, FALSE, 5000); 489 if (r) { 490 mpt_prt(mpt, "failed to read FC page 1 header\n"); 491 return (mpt_fc_reset_link(mpt, 1)); 492 } 493 494 r = mpt_read_cfg_page(mpt, MPI_CONFIG_ACTION_PAGE_READ_NVRAM, 0, 495 &fc.Header, sizeof (fc), FALSE, 5000); 496 if (r) { 497 mpt_prt(mpt, "failed to read FC page 1\n"); 498 return (mpt_fc_reset_link(mpt, 1)); 499 } 500 501 /* 502 * Check our flags to make sure we support the role we want. 503 */ 504 doit = 0; 505 role = 0; 506 fl = le32toh(fc.Flags);; 507 508 if (fl & MPI_FCPORTPAGE1_FLAGS_PROT_FCP_INIT) { 509 role |= MPT_ROLE_INITIATOR; 510 } 511 if (fl & MPI_FCPORTPAGE1_FLAGS_PROT_FCP_TARG) { 512 role |= MPT_ROLE_TARGET; 513 } 514 515 fl &= ~MPI_FCPORTPAGE1_FLAGS_PROT_MASK; 516 517 if (mpt->do_cfg_role == 0) { 518 role = mpt->cfg_role; 519 } else { 520 mpt->do_cfg_role = 0; 521 } 522 523 if (role != mpt->cfg_role) { 524 if (mpt->cfg_role & MPT_ROLE_INITIATOR) { 525 if ((role & MPT_ROLE_INITIATOR) == 0) { 526 mpt_prt(mpt, "adding initiator role\n"); 527 fl |= MPI_FCPORTPAGE1_FLAGS_PROT_FCP_INIT; 528 doit++; 529 } else { 530 mpt_prt(mpt, "keeping initiator role\n"); 531 } 532 } else if (role & MPT_ROLE_INITIATOR) { 533 mpt_prt(mpt, "removing initiator role\n"); 534 doit++; 535 } 536 if (mpt->cfg_role & MPT_ROLE_TARGET) { 537 if ((role & MPT_ROLE_TARGET) == 0) { 538 mpt_prt(mpt, "adding target role\n"); 539 fl |= MPI_FCPORTPAGE1_FLAGS_PROT_FCP_TARG; 540 doit++; 541 } else { 542 mpt_prt(mpt, "keeping target role\n"); 543 } 544 } else if (role & MPT_ROLE_TARGET) { 545 mpt_prt(mpt, "removing target role\n"); 546 doit++; 547 } 548 mpt->role = mpt->cfg_role; 549 } 550 551 if (fl & MPI_FCPORTPAGE1_FLAGS_PROT_FCP_TARG) { 552 if ((fl & MPI_FCPORTPAGE1_FLAGS_TARGET_MODE_OXID) == 0) { 553 mpt_prt(mpt, "adding OXID option\n"); 554 fl |= MPI_FCPORTPAGE1_FLAGS_TARGET_MODE_OXID; 555 doit++; 556 } 557 } 558 559 if (doit) { 560 fc.Flags = htole32(fl); 561 r = mpt_write_cfg_page(mpt, 562 MPI_CONFIG_ACTION_PAGE_WRITE_NVRAM, 0, &fc.Header, 563 sizeof(fc), FALSE, 5000); 564 if (r != 0) { 565 mpt_prt(mpt, "failed to update NVRAM with changes\n"); 566 return (0); 567 } 568 mpt_prt(mpt, "NOTE: NVRAM changes will not take " 569 "effect until next reboot or IOC reset\n"); 570 } 571 return (0); 572 } 573 574 /* 575 * Read SAS configuration information. Nothing to do yet. 576 */ 577 static int 578 mpt_read_config_info_sas(struct mpt_softc *mpt) 579 { 580 return (0); 581 } 582 583 /* 584 * Set SAS configuration information. Nothing to do yet. 585 */ 586 static int 587 mpt_set_initial_config_sas(struct mpt_softc *mpt) 588 { 589 return (0); 590 } 591 592 /* 593 * Read SCSI configuration information 594 */ 595 static int 596 mpt_read_config_info_spi(struct mpt_softc *mpt) 597 { 598 int rv, i; 599 600 rv = mpt_read_cfg_header(mpt, MPI_CONFIG_PAGETYPE_SCSI_PORT, 0, 0, 601 &mpt->mpt_port_page0.Header, FALSE, 5000); 602 if (rv) { 603 return (-1); 604 } 605 mpt_lprt(mpt, MPT_PRT_DEBUG, "SPI Port Page 0 Header: %x %x %x %x\n", 606 mpt->mpt_port_page0.Header.PageVersion, 607 mpt->mpt_port_page0.Header.PageLength, 608 mpt->mpt_port_page0.Header.PageNumber, 609 mpt->mpt_port_page0.Header.PageType); 610 611 rv = mpt_read_cfg_header(mpt, MPI_CONFIG_PAGETYPE_SCSI_PORT, 1, 0, 612 &mpt->mpt_port_page1.Header, FALSE, 5000); 613 if (rv) { 614 return (-1); 615 } 616 mpt_lprt(mpt, MPT_PRT_DEBUG, "SPI Port Page 1 Header: %x %x %x %x\n", 617 mpt->mpt_port_page1.Header.PageVersion, 618 mpt->mpt_port_page1.Header.PageLength, 619 mpt->mpt_port_page1.Header.PageNumber, 620 mpt->mpt_port_page1.Header.PageType); 621 622 rv = mpt_read_cfg_header(mpt, MPI_CONFIG_PAGETYPE_SCSI_PORT, 2, 0, 623 &mpt->mpt_port_page2.Header, FALSE, 5000); 624 if (rv) { 625 return (-1); 626 } 627 mpt_lprt(mpt, MPT_PRT_DEBUG, "SPI Port Page 2 Header: %x %x %x %x\n", 628 mpt->mpt_port_page2.Header.PageVersion, 629 mpt->mpt_port_page2.Header.PageLength, 630 mpt->mpt_port_page2.Header.PageNumber, 631 mpt->mpt_port_page2.Header.PageType); 632 633 for (i = 0; i < 16; i++) { 634 rv = mpt_read_cfg_header(mpt, MPI_CONFIG_PAGETYPE_SCSI_DEVICE, 635 0, i, &mpt->mpt_dev_page0[i].Header, FALSE, 5000); 636 if (rv) { 637 return (-1); 638 } 639 mpt_lprt(mpt, MPT_PRT_DEBUG, 640 "SPI Target %d Device Page 0 Header: %x %x %x %x\n", i, 641 mpt->mpt_dev_page0[i].Header.PageVersion, 642 mpt->mpt_dev_page0[i].Header.PageLength, 643 mpt->mpt_dev_page0[i].Header.PageNumber, 644 mpt->mpt_dev_page0[i].Header.PageType); 645 646 rv = mpt_read_cfg_header(mpt, MPI_CONFIG_PAGETYPE_SCSI_DEVICE, 647 1, i, &mpt->mpt_dev_page1[i].Header, FALSE, 5000); 648 if (rv) { 649 return (-1); 650 } 651 mpt_lprt(mpt, MPT_PRT_DEBUG, 652 "SPI Target %d Device Page 1 Header: %x %x %x %x\n", i, 653 mpt->mpt_dev_page1[i].Header.PageVersion, 654 mpt->mpt_dev_page1[i].Header.PageLength, 655 mpt->mpt_dev_page1[i].Header.PageNumber, 656 mpt->mpt_dev_page1[i].Header.PageType); 657 } 658 659 /* 660 * At this point, we don't *have* to fail. As long as we have 661 * valid config header information, we can (barely) lurch 662 * along. 663 */ 664 665 rv = mpt_read_cur_cfg_page(mpt, 0, &mpt->mpt_port_page0.Header, 666 sizeof(mpt->mpt_port_page0), FALSE, 5000); 667 if (rv) { 668 mpt_prt(mpt, "failed to read SPI Port Page 0\n"); 669 } else { 670 mpt_lprt(mpt, MPT_PRT_NEGOTIATION, 671 "SPI Port Page 0: Capabilities %x PhysicalInterface %x\n", 672 mpt->mpt_port_page0.Capabilities, 673 mpt->mpt_port_page0.PhysicalInterface); 674 } 675 676 rv = mpt_read_cur_cfg_page(mpt, 0, &mpt->mpt_port_page1.Header, 677 sizeof(mpt->mpt_port_page1), FALSE, 5000); 678 if (rv) { 679 mpt_prt(mpt, "failed to read SPI Port Page 1\n"); 680 } else { 681 mpt_lprt(mpt, MPT_PRT_DEBUG, 682 "SPI Port Page 1: Configuration %x OnBusTimerValue %x\n", 683 mpt->mpt_port_page1.Configuration, 684 mpt->mpt_port_page1.OnBusTimerValue); 685 } 686 687 rv = mpt_read_cur_cfg_page(mpt, 0, &mpt->mpt_port_page2.Header, 688 sizeof(mpt->mpt_port_page2), FALSE, 5000); 689 if (rv) { 690 mpt_prt(mpt, "failed to read SPI Port Page 2\n"); 691 } else { 692 mpt_lprt(mpt, MPT_PRT_NEGOTIATION, 693 "Port Page 2: Flags %x Settings %x\n", 694 mpt->mpt_port_page2.PortFlags, 695 mpt->mpt_port_page2.PortSettings); 696 for (i = 0; i < 16; i++) { 697 mpt_lprt(mpt, MPT_PRT_NEGOTIATION, 698 " Port Page 2 Tgt %d: timo %x SF %x Flags %x\n", 699 i, mpt->mpt_port_page2.DeviceSettings[i].Timeout, 700 mpt->mpt_port_page2.DeviceSettings[i].SyncFactor, 701 mpt->mpt_port_page2.DeviceSettings[i].DeviceFlags); 702 } 703 } 704 705 for (i = 0; i < 16; i++) { 706 rv = mpt_read_cur_cfg_page(mpt, i, 707 &mpt->mpt_dev_page0[i].Header, sizeof(*mpt->mpt_dev_page0), 708 FALSE, 5000); 709 if (rv) { 710 mpt_prt(mpt, 711 "cannot read SPI Target %d Device Page 0\n", i); 712 continue; 713 } 714 mpt_lprt(mpt, MPT_PRT_NEGOTIATION, 715 "target %d page 0: Negotiated Params %x Information %x\n", 716 i, mpt->mpt_dev_page0[i].NegotiatedParameters, 717 mpt->mpt_dev_page0[i].Information); 718 719 rv = mpt_read_cur_cfg_page(mpt, i, 720 &mpt->mpt_dev_page1[i].Header, sizeof(*mpt->mpt_dev_page1), 721 FALSE, 5000); 722 if (rv) { 723 mpt_prt(mpt, 724 "cannot read SPI Target %d Device Page 1\n", i); 725 continue; 726 } 727 mpt_lprt(mpt, MPT_PRT_NEGOTIATION, 728 "target %d page 1: Requested Params %x Configuration %x\n", 729 i, mpt->mpt_dev_page1[i].RequestedParameters, 730 mpt->mpt_dev_page1[i].Configuration); 731 } 732 return (0); 733 } 734 735 /* 736 * Validate SPI configuration information. 737 * 738 * In particular, validate SPI Port Page 1. 739 */ 740 static int 741 mpt_set_initial_config_spi(struct mpt_softc *mpt) 742 { 743 int i, j, pp1val = ((1 << mpt->mpt_ini_id) << 16) | mpt->mpt_ini_id; 744 int error; 745 746 mpt->mpt_disc_enable = 0xff; 747 mpt->mpt_tag_enable = 0; 748 749 if (mpt->mpt_port_page1.Configuration != pp1val) { 750 CONFIG_PAGE_SCSI_PORT_1 tmp; 751 752 mpt_prt(mpt, "SPI Port Page 1 Config value bad (%x)- should " 753 "be %x\n", mpt->mpt_port_page1.Configuration, pp1val); 754 tmp = mpt->mpt_port_page1; 755 tmp.Configuration = pp1val; 756 error = mpt_write_cur_cfg_page(mpt, 0, 757 &tmp.Header, sizeof(tmp), FALSE, 5000); 758 if (error) { 759 return (-1); 760 } 761 error = mpt_read_cur_cfg_page(mpt, 0, 762 &tmp.Header, sizeof(tmp), FALSE, 5000); 763 if (error) { 764 return (-1); 765 } 766 if (tmp.Configuration != pp1val) { 767 mpt_prt(mpt, 768 "failed to reset SPI Port Page 1 Config value\n"); 769 return (-1); 770 } 771 mpt->mpt_port_page1 = tmp; 772 } 773 774 /* 775 * The purpose of this exercise is to get 776 * all targets back to async/narrow. 777 * 778 * We skip this step if the BIOS has already negotiated 779 * speeds with the targets and does not require us to 780 * do Domain Validation. 781 */ 782 i = mpt->mpt_port_page2.PortSettings & 783 MPI_SCSIPORTPAGE2_PORT_MASK_NEGO_MASTER_SETTINGS; 784 j = mpt->mpt_port_page2.PortFlags & 785 MPI_SCSIPORTPAGE2_PORT_FLAGS_DV_MASK; 786 if (i == MPI_SCSIPORTPAGE2_PORT_ALL_MASTER_SETTINGS /* && 787 j == MPI_SCSIPORTPAGE2_PORT_FLAGS_OFF_DV */) { 788 mpt_lprt(mpt, MPT_PRT_NEGOTIATION, 789 "honoring BIOS transfer negotiations\n"); 790 } else { 791 for (i = 0; i < 16; i++) { 792 mpt->mpt_dev_page1[i].RequestedParameters = 0; 793 mpt->mpt_dev_page1[i].Configuration = 0; 794 (void) mpt_update_spi_config(mpt, i); 795 } 796 } 797 return (0); 798 } 799 800 int 801 mpt_cam_enable(struct mpt_softc *mpt) 802 { 803 if (mpt->is_fc) { 804 if (mpt_read_config_info_fc(mpt)) { 805 return (EIO); 806 } 807 if (mpt_set_initial_config_fc(mpt)) { 808 return (EIO); 809 } 810 } else if (mpt->is_sas) { 811 if (mpt_read_config_info_sas(mpt)) { 812 return (EIO); 813 } 814 if (mpt_set_initial_config_sas(mpt)) { 815 return (EIO); 816 } 817 } else if (mpt->is_spi) { 818 if (mpt_read_config_info_spi(mpt)) { 819 return (EIO); 820 } 821 if (mpt_set_initial_config_spi(mpt)) { 822 return (EIO); 823 } 824 } 825 return (0); 826 } 827 828 void 829 mpt_cam_ready(struct mpt_softc *mpt) 830 { 831 /* 832 * If we're in target mode, hang out resources now 833 * so we don't cause the world to hang talking to us. 834 */ 835 if (mpt->is_fc && (mpt->role & MPT_ROLE_TARGET)) { 836 /* 837 * Try to add some target command resources 838 */ 839 MPT_LOCK(mpt); 840 if (mpt_add_target_commands(mpt) == FALSE) { 841 mpt_prt(mpt, "failed to add target commands\n"); 842 } 843 MPT_UNLOCK(mpt); 844 } 845 mpt->ready = 1; 846 } 847 848 void 849 mpt_cam_detach(struct mpt_softc *mpt) 850 { 851 mpt_handler_t handler; 852 853 mpt->ready = 0; 854 mpt_terminate_recovery_thread(mpt); 855 856 handler.reply_handler = mpt_scsi_reply_handler; 857 mpt_deregister_handler(mpt, MPT_HANDLER_REPLY, handler, 858 scsi_io_handler_id); 859 handler.reply_handler = mpt_scsi_tmf_reply_handler; 860 mpt_deregister_handler(mpt, MPT_HANDLER_REPLY, handler, 861 scsi_tmf_handler_id); 862 handler.reply_handler = mpt_fc_els_reply_handler; 863 mpt_deregister_handler(mpt, MPT_HANDLER_REPLY, handler, 864 fc_els_handler_id); 865 handler.reply_handler = mpt_scsi_tgt_reply_handler; 866 mpt_deregister_handler(mpt, MPT_HANDLER_REPLY, handler, 867 mpt->scsi_tgt_handler_id); 868 869 if (mpt->tmf_req != NULL) { 870 mpt->tmf_req->state = REQ_STATE_ALLOCATED; 871 mpt_free_request(mpt, mpt->tmf_req); 872 mpt->tmf_req = NULL; 873 } 874 875 if (mpt->sim != NULL) { 876 MPTLOCK_2_CAMLOCK(mpt); 877 xpt_free_path(mpt->path); 878 xpt_bus_deregister(cam_sim_path(mpt->sim)); 879 cam_sim_free(mpt->sim, TRUE); 880 mpt->sim = NULL; 881 CAMLOCK_2_MPTLOCK(mpt); 882 } 883 884 if (mpt->phydisk_sim != NULL) { 885 MPTLOCK_2_CAMLOCK(mpt); 886 xpt_free_path(mpt->phydisk_path); 887 xpt_bus_deregister(cam_sim_path(mpt->phydisk_sim)); 888 cam_sim_free(mpt->phydisk_sim, TRUE); 889 mpt->phydisk_sim = NULL; 890 CAMLOCK_2_MPTLOCK(mpt); 891 } 892 } 893 894 /* This routine is used after a system crash to dump core onto the swap device. 895 */ 896 static void 897 mpt_poll(struct cam_sim *sim) 898 { 899 struct mpt_softc *mpt; 900 901 mpt = (struct mpt_softc *)cam_sim_softc(sim); 902 MPT_LOCK(mpt); 903 mpt_intr(mpt); 904 MPT_UNLOCK(mpt); 905 } 906 907 /* 908 * Watchdog timeout routine for SCSI requests. 909 */ 910 static void 911 mpt_timeout(void *arg) 912 { 913 union ccb *ccb; 914 struct mpt_softc *mpt; 915 request_t *req; 916 917 ccb = (union ccb *)arg; 918 mpt = ccb->ccb_h.ccb_mpt_ptr; 919 920 MPT_LOCK(mpt); 921 req = ccb->ccb_h.ccb_req_ptr; 922 mpt_prt(mpt, "request %p:%u timed out for ccb %p (req->ccb %p)\n", req, 923 req->serno, ccb, req->ccb); 924 /* XXX: WHAT ARE WE TRYING TO DO HERE? */ 925 if ((req->state & REQ_STATE_QUEUED) == REQ_STATE_QUEUED) { 926 TAILQ_REMOVE(&mpt->request_pending_list, req, links); 927 TAILQ_INSERT_TAIL(&mpt->request_timeout_list, req, links); 928 req->state |= REQ_STATE_TIMEDOUT; 929 mpt_wakeup_recovery_thread(mpt); 930 } 931 MPT_UNLOCK(mpt); 932 } 933 934 /* 935 * Callback routine from "bus_dmamap_load" or, in simple cases, called directly. 936 * 937 * Takes a list of physical segments and builds the SGL for SCSI IO command 938 * and forwards the commard to the IOC after one last check that CAM has not 939 * aborted the transaction. 940 */ 941 static void 942 mpt_execute_req_a64(void *arg, bus_dma_segment_t *dm_segs, int nseg, int error) 943 { 944 request_t *req, *trq; 945 char *mpt_off; 946 union ccb *ccb; 947 struct mpt_softc *mpt; 948 int seg, first_lim; 949 uint32_t flags, nxt_off; 950 void *sglp = NULL; 951 MSG_REQUEST_HEADER *hdrp; 952 SGE_SIMPLE64 *se; 953 SGE_CHAIN64 *ce; 954 int istgt = 0; 955 956 req = (request_t *)arg; 957 ccb = req->ccb; 958 959 mpt = ccb->ccb_h.ccb_mpt_ptr; 960 req = ccb->ccb_h.ccb_req_ptr; 961 962 hdrp = req->req_vbuf; 963 mpt_off = req->req_vbuf; 964 965 if (error == 0 && ((uint32_t)nseg) >= mpt->max_seg_cnt) { 966 error = EFBIG; 967 } 968 969 if (error == 0) { 970 switch (hdrp->Function) { 971 case MPI_FUNCTION_SCSI_IO_REQUEST: 972 case MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH: 973 istgt = 0; 974 sglp = &((PTR_MSG_SCSI_IO_REQUEST)hdrp)->SGL; 975 break; 976 case MPI_FUNCTION_TARGET_ASSIST: 977 istgt = 1; 978 sglp = &((PTR_MSG_TARGET_ASSIST_REQUEST)hdrp)->SGL; 979 break; 980 default: 981 mpt_prt(mpt, "bad fct 0x%x in mpt_execute_req_a64\n", 982 hdrp->Function); 983 error = EINVAL; 984 break; 985 } 986 } 987 988 if (error == 0 && ((uint32_t)nseg) >= mpt->max_seg_cnt) { 989 error = EFBIG; 990 mpt_prt(mpt, "segment count %d too large (max %u)\n", 991 nseg, mpt->max_seg_cnt); 992 } 993 994 bad: 995 if (error != 0) { 996 if (error != EFBIG && error != ENOMEM) { 997 mpt_prt(mpt, "mpt_execute_req_a64: err %d\n", error); 998 } 999 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INPROG) { 1000 cam_status status; 1001 mpt_freeze_ccb(ccb); 1002 if (error == EFBIG) { 1003 status = CAM_REQ_TOO_BIG; 1004 } else if (error == ENOMEM) { 1005 if (mpt->outofbeer == 0) { 1006 mpt->outofbeer = 1; 1007 xpt_freeze_simq(mpt->sim, 1); 1008 mpt_lprt(mpt, MPT_PRT_DEBUG, 1009 "FREEZEQ\n"); 1010 } 1011 status = CAM_REQUEUE_REQ; 1012 } else { 1013 status = CAM_REQ_CMP_ERR; 1014 } 1015 mpt_set_ccb_status(ccb, status); 1016 } 1017 if (hdrp->Function == MPI_FUNCTION_TARGET_ASSIST) { 1018 request_t *cmd_req = 1019 MPT_TAG_2_REQ(mpt, ccb->csio.tag_id); 1020 MPT_TGT_STATE(mpt, cmd_req)->state = TGT_STATE_IN_CAM; 1021 MPT_TGT_STATE(mpt, cmd_req)->ccb = NULL; 1022 MPT_TGT_STATE(mpt, cmd_req)->req = NULL; 1023 } 1024 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 1025 KASSERT(ccb->ccb_h.status, ("zero ccb sts at %d\n", __LINE__)); 1026 xpt_done(ccb); 1027 CAMLOCK_2_MPTLOCK(mpt); 1028 mpt_free_request(mpt, req); 1029 MPTLOCK_2_CAMLOCK(mpt); 1030 return; 1031 } 1032 1033 /* 1034 * No data to transfer? 1035 * Just make a single simple SGL with zero length. 1036 */ 1037 1038 if (mpt->verbose >= MPT_PRT_DEBUG) { 1039 int tidx = ((char *)sglp) - mpt_off; 1040 memset(&mpt_off[tidx], 0xff, MPT_REQUEST_AREA - tidx); 1041 } 1042 1043 if (nseg == 0) { 1044 SGE_SIMPLE32 *se1 = (SGE_SIMPLE32 *) sglp; 1045 MPI_pSGE_SET_FLAGS(se1, 1046 (MPI_SGE_FLAGS_LAST_ELEMENT | MPI_SGE_FLAGS_END_OF_BUFFER | 1047 MPI_SGE_FLAGS_SIMPLE_ELEMENT | MPI_SGE_FLAGS_END_OF_LIST)); 1048 se1->FlagsLength = htole32(se1->FlagsLength); 1049 goto out; 1050 } 1051 1052 1053 flags = MPI_SGE_FLAGS_SIMPLE_ELEMENT | MPI_SGE_FLAGS_64_BIT_ADDRESSING; 1054 if (istgt == 0) { 1055 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_OUT) { 1056 flags |= MPI_SGE_FLAGS_HOST_TO_IOC; 1057 } 1058 } else { 1059 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 1060 flags |= MPI_SGE_FLAGS_HOST_TO_IOC; 1061 } 1062 } 1063 1064 if (!(ccb->ccb_h.flags & (CAM_SG_LIST_PHYS|CAM_DATA_PHYS))) { 1065 bus_dmasync_op_t op; 1066 if (istgt == 0) { 1067 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 1068 op = BUS_DMASYNC_PREREAD; 1069 } else { 1070 op = BUS_DMASYNC_PREWRITE; 1071 } 1072 } else { 1073 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 1074 op = BUS_DMASYNC_PREWRITE; 1075 } else { 1076 op = BUS_DMASYNC_PREREAD; 1077 } 1078 } 1079 bus_dmamap_sync(mpt->buffer_dmat, req->dmap, op); 1080 } 1081 1082 /* 1083 * Okay, fill in what we can at the end of the command frame. 1084 * If we have up to MPT_NSGL_FIRST, we can fit them all into 1085 * the command frame. 1086 * 1087 * Otherwise, we fill up through MPT_NSGL_FIRST less one 1088 * SIMPLE64 pointers and start doing CHAIN64 entries after 1089 * that. 1090 */ 1091 1092 if (nseg < MPT_NSGL_FIRST(mpt)) { 1093 first_lim = nseg; 1094 } else { 1095 /* 1096 * Leave room for CHAIN element 1097 */ 1098 first_lim = MPT_NSGL_FIRST(mpt) - 1; 1099 } 1100 1101 se = (SGE_SIMPLE64 *) sglp; 1102 for (seg = 0; seg < first_lim; seg++, se++, dm_segs++) { 1103 uint32_t tf; 1104 1105 memset(se, 0, sizeof (*se)); 1106 se->Address.Low = htole32(dm_segs->ds_addr & 0xffffffff); 1107 if (sizeof(bus_addr_t) > 4) { 1108 se->Address.High = ((uint64_t) dm_segs->ds_addr) >> 32; 1109 } 1110 MPI_pSGE_SET_LENGTH(se, dm_segs->ds_len); 1111 tf = flags; 1112 if (seg == first_lim - 1) { 1113 tf |= MPI_SGE_FLAGS_LAST_ELEMENT; 1114 } 1115 if (seg == nseg - 1) { 1116 tf |= MPI_SGE_FLAGS_END_OF_LIST | 1117 MPI_SGE_FLAGS_END_OF_BUFFER; 1118 } 1119 MPI_pSGE_SET_FLAGS(se, tf); 1120 se->FlagsLength = htole32(se->FlagsLength); 1121 } 1122 1123 if (seg == nseg) { 1124 goto out; 1125 } 1126 1127 /* 1128 * Tell the IOC where to find the first chain element. 1129 */ 1130 hdrp->ChainOffset = ((char *)se - (char *)hdrp) >> 2; 1131 nxt_off = MPT_RQSL(mpt); 1132 trq = req; 1133 1134 /* 1135 * Make up the rest of the data segments out of a chain element 1136 * (contiained in the current request frame) which points to 1137 * SIMPLE64 elements in the next request frame, possibly ending 1138 * with *another* chain element (if there's more). 1139 */ 1140 while (seg < nseg) { 1141 int this_seg_lim; 1142 uint32_t tf, cur_off; 1143 bus_addr_t chain_list_addr; 1144 1145 /* 1146 * Point to the chain descriptor. Note that the chain 1147 * descriptor is at the end of the *previous* list (whether 1148 * chain or simple). 1149 */ 1150 ce = (SGE_CHAIN64 *) se; 1151 1152 /* 1153 * Before we change our current pointer, make sure we won't 1154 * overflow the request area with this frame. Note that we 1155 * test against 'greater than' here as it's okay in this case 1156 * to have next offset be just outside the request area. 1157 */ 1158 if ((nxt_off + MPT_RQSL(mpt)) > MPT_REQUEST_AREA) { 1159 nxt_off = MPT_REQUEST_AREA; 1160 goto next_chain; 1161 } 1162 1163 /* 1164 * Set our SGE element pointer to the beginning of the chain 1165 * list and update our next chain list offset. 1166 */ 1167 se = (SGE_SIMPLE64 *) &mpt_off[nxt_off]; 1168 cur_off = nxt_off; 1169 nxt_off += MPT_RQSL(mpt); 1170 1171 /* 1172 * Now initialized the chain descriptor. 1173 */ 1174 memset(ce, 0, sizeof (*ce)); 1175 1176 /* 1177 * Get the physical address of the chain list. 1178 */ 1179 chain_list_addr = trq->req_pbuf; 1180 chain_list_addr += cur_off; 1181 if (sizeof (bus_addr_t) > 4) { 1182 ce->Address.High = 1183 htole32((uint32_t) ((uint64_t)chain_list_addr >> 32)); 1184 } 1185 ce->Address.Low = htole32((uint32_t) chain_list_addr); 1186 ce->Flags = MPI_SGE_FLAGS_CHAIN_ELEMENT | 1187 MPI_SGE_FLAGS_64_BIT_ADDRESSING; 1188 1189 /* 1190 * If we have more than a frame's worth of segments left, 1191 * set up the chain list to have the last element be another 1192 * chain descriptor. 1193 */ 1194 if ((nseg - seg) > MPT_NSGL(mpt)) { 1195 this_seg_lim = seg + MPT_NSGL(mpt) - 1; 1196 /* 1197 * The length of the chain is the length in bytes of the 1198 * number of segments plus the next chain element. 1199 * 1200 * The next chain descriptor offset is the length, 1201 * in words, of the number of segments. 1202 */ 1203 ce->Length = (this_seg_lim - seg) * 1204 sizeof (SGE_SIMPLE64); 1205 ce->NextChainOffset = ce->Length >> 2; 1206 ce->Length += sizeof (SGE_CHAIN64); 1207 } else { 1208 this_seg_lim = nseg; 1209 ce->Length = (this_seg_lim - seg) * 1210 sizeof (SGE_SIMPLE64); 1211 } 1212 1213 /* 1214 * Fill in the chain list SGE elements with our segment data. 1215 * 1216 * If we're the last element in this chain list, set the last 1217 * element flag. If we're the completely last element period, 1218 * set the end of list and end of buffer flags. 1219 */ 1220 while (seg < this_seg_lim) { 1221 memset(se, 0, sizeof (*se)); 1222 se->Address.Low = htole32(dm_segs->ds_addr); 1223 if (sizeof (bus_addr_t) > 4) { 1224 se->Address.High = 1225 htole32(((uint64_t)dm_segs->ds_addr) >> 32); 1226 } 1227 MPI_pSGE_SET_LENGTH(se, dm_segs->ds_len); 1228 tf = flags; 1229 if (seg == this_seg_lim - 1) { 1230 tf |= MPI_SGE_FLAGS_LAST_ELEMENT; 1231 } 1232 if (seg == nseg - 1) { 1233 tf |= MPI_SGE_FLAGS_END_OF_LIST | 1234 MPI_SGE_FLAGS_END_OF_BUFFER; 1235 } 1236 MPI_pSGE_SET_FLAGS(se, tf); 1237 se->FlagsLength = htole32(se->FlagsLength); 1238 se++; 1239 seg++; 1240 dm_segs++; 1241 } 1242 1243 next_chain: 1244 /* 1245 * If we have more segments to do and we've used up all of 1246 * the space in a request area, go allocate another one 1247 * and chain to that. 1248 */ 1249 if (seg < nseg && nxt_off >= MPT_REQUEST_AREA) { 1250 request_t *nrq; 1251 1252 CAMLOCK_2_MPTLOCK(mpt); 1253 nrq = mpt_get_request(mpt, FALSE); 1254 MPTLOCK_2_CAMLOCK(mpt); 1255 1256 if (nrq == NULL) { 1257 error = ENOMEM; 1258 goto bad; 1259 } 1260 1261 /* 1262 * Append the new request area on the tail of our list. 1263 */ 1264 if ((trq = req->chain) == NULL) { 1265 req->chain = nrq; 1266 } else { 1267 while (trq->chain != NULL) { 1268 trq = trq->chain; 1269 } 1270 trq->chain = nrq; 1271 } 1272 trq = nrq; 1273 mpt_off = trq->req_vbuf; 1274 if (mpt->verbose >= MPT_PRT_DEBUG) { 1275 memset(mpt_off, 0xff, MPT_REQUEST_AREA); 1276 } 1277 nxt_off = 0; 1278 } 1279 } 1280 out: 1281 1282 /* 1283 * Last time we need to check if this CCB needs to be aborted. 1284 */ 1285 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_INPROG) { 1286 if (hdrp->Function == MPI_FUNCTION_TARGET_ASSIST) { 1287 request_t *cmd_req = 1288 MPT_TAG_2_REQ(mpt, ccb->csio.tag_id); 1289 MPT_TGT_STATE(mpt, cmd_req)->state = TGT_STATE_IN_CAM; 1290 MPT_TGT_STATE(mpt, cmd_req)->ccb = NULL; 1291 MPT_TGT_STATE(mpt, cmd_req)->req = NULL; 1292 } 1293 mpt_prt(mpt, 1294 "mpt_execute_req_a64: I/O cancelled (status 0x%x)\n", 1295 ccb->ccb_h.status & CAM_STATUS_MASK); 1296 if (nseg && (ccb->ccb_h.flags & CAM_SG_LIST_PHYS) == 0) { 1297 bus_dmamap_unload(mpt->buffer_dmat, req->dmap); 1298 } 1299 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 1300 KASSERT(ccb->ccb_h.status, ("zero ccb sts at %d\n", __LINE__)); 1301 xpt_done(ccb); 1302 CAMLOCK_2_MPTLOCK(mpt); 1303 mpt_free_request(mpt, req); 1304 MPTLOCK_2_CAMLOCK(mpt); 1305 return; 1306 } 1307 1308 ccb->ccb_h.status |= CAM_SIM_QUEUED; 1309 if (ccb->ccb_h.timeout != CAM_TIME_INFINITY) { 1310 ccb->ccb_h.timeout_ch = 1311 timeout(mpt_timeout, (caddr_t)ccb, 1312 (ccb->ccb_h.timeout * hz) / 1000); 1313 } else { 1314 callout_handle_init(&ccb->ccb_h.timeout_ch); 1315 } 1316 if (mpt->verbose > MPT_PRT_DEBUG) { 1317 int nc = 0; 1318 mpt_print_request(req->req_vbuf); 1319 for (trq = req->chain; trq; trq = trq->chain) { 1320 printf(" Additional Chain Area %d\n", nc++); 1321 mpt_dump_sgl(trq->req_vbuf, 0); 1322 } 1323 } 1324 1325 if (hdrp->Function == MPI_FUNCTION_TARGET_ASSIST) { 1326 request_t *cmd_req = MPT_TAG_2_REQ(mpt, ccb->csio.tag_id); 1327 mpt_tgt_state_t *tgt = MPT_TGT_STATE(mpt, cmd_req); 1328 #ifdef WE_TRUST_AUTO_GOOD_STATUS 1329 if ((ccb->ccb_h.flags & CAM_SEND_STATUS) && 1330 csio->scsi_status == SCSI_STATUS_OK && tgt->resid == 0) { 1331 tgt->state = TGT_STATE_MOVING_DATA_AND_STATUS; 1332 } else { 1333 tgt->state = TGT_STATE_MOVING_DATA; 1334 } 1335 #else 1336 tgt->state = TGT_STATE_MOVING_DATA; 1337 #endif 1338 } 1339 CAMLOCK_2_MPTLOCK(mpt); 1340 mpt_send_cmd(mpt, req); 1341 MPTLOCK_2_CAMLOCK(mpt); 1342 } 1343 1344 static void 1345 mpt_execute_req(void *arg, bus_dma_segment_t *dm_segs, int nseg, int error) 1346 { 1347 request_t *req, *trq; 1348 char *mpt_off; 1349 union ccb *ccb; 1350 struct mpt_softc *mpt; 1351 int seg, first_lim; 1352 uint32_t flags, nxt_off; 1353 void *sglp = NULL; 1354 MSG_REQUEST_HEADER *hdrp; 1355 SGE_SIMPLE32 *se; 1356 SGE_CHAIN32 *ce; 1357 int istgt = 0; 1358 1359 req = (request_t *)arg; 1360 ccb = req->ccb; 1361 1362 mpt = ccb->ccb_h.ccb_mpt_ptr; 1363 req = ccb->ccb_h.ccb_req_ptr; 1364 1365 hdrp = req->req_vbuf; 1366 mpt_off = req->req_vbuf; 1367 1368 1369 if (error == 0 && ((uint32_t)nseg) >= mpt->max_seg_cnt) { 1370 error = EFBIG; 1371 } 1372 1373 if (error == 0) { 1374 switch (hdrp->Function) { 1375 case MPI_FUNCTION_SCSI_IO_REQUEST: 1376 case MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH: 1377 sglp = &((PTR_MSG_SCSI_IO_REQUEST)hdrp)->SGL; 1378 break; 1379 case MPI_FUNCTION_TARGET_ASSIST: 1380 istgt = 1; 1381 sglp = &((PTR_MSG_TARGET_ASSIST_REQUEST)hdrp)->SGL; 1382 break; 1383 default: 1384 mpt_prt(mpt, "bad fct 0x%x in mpt_execute_req\n", 1385 hdrp->Function); 1386 error = EINVAL; 1387 break; 1388 } 1389 } 1390 1391 if (error == 0 && ((uint32_t)nseg) >= mpt->max_seg_cnt) { 1392 error = EFBIG; 1393 mpt_prt(mpt, "segment count %d too large (max %u)\n", 1394 nseg, mpt->max_seg_cnt); 1395 } 1396 1397 bad: 1398 if (error != 0) { 1399 if (error != EFBIG && error != ENOMEM) { 1400 mpt_prt(mpt, "mpt_execute_req: err %d\n", error); 1401 } 1402 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INPROG) { 1403 cam_status status; 1404 mpt_freeze_ccb(ccb); 1405 if (error == EFBIG) { 1406 status = CAM_REQ_TOO_BIG; 1407 } else if (error == ENOMEM) { 1408 if (mpt->outofbeer == 0) { 1409 mpt->outofbeer = 1; 1410 xpt_freeze_simq(mpt->sim, 1); 1411 mpt_lprt(mpt, MPT_PRT_DEBUG, 1412 "FREEZEQ\n"); 1413 } 1414 status = CAM_REQUEUE_REQ; 1415 } else { 1416 status = CAM_REQ_CMP_ERR; 1417 } 1418 mpt_set_ccb_status(ccb, status); 1419 } 1420 if (hdrp->Function == MPI_FUNCTION_TARGET_ASSIST) { 1421 request_t *cmd_req = 1422 MPT_TAG_2_REQ(mpt, ccb->csio.tag_id); 1423 MPT_TGT_STATE(mpt, cmd_req)->state = TGT_STATE_IN_CAM; 1424 MPT_TGT_STATE(mpt, cmd_req)->ccb = NULL; 1425 MPT_TGT_STATE(mpt, cmd_req)->req = NULL; 1426 } 1427 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 1428 KASSERT(ccb->ccb_h.status, ("zero ccb sts at %d\n", __LINE__)); 1429 xpt_done(ccb); 1430 CAMLOCK_2_MPTLOCK(mpt); 1431 mpt_free_request(mpt, req); 1432 MPTLOCK_2_CAMLOCK(mpt); 1433 return; 1434 } 1435 1436 /* 1437 * No data to transfer? 1438 * Just make a single simple SGL with zero length. 1439 */ 1440 1441 if (mpt->verbose >= MPT_PRT_DEBUG) { 1442 int tidx = ((char *)sglp) - mpt_off; 1443 memset(&mpt_off[tidx], 0xff, MPT_REQUEST_AREA - tidx); 1444 } 1445 1446 if (nseg == 0) { 1447 SGE_SIMPLE32 *se1 = (SGE_SIMPLE32 *) sglp; 1448 MPI_pSGE_SET_FLAGS(se1, 1449 (MPI_SGE_FLAGS_LAST_ELEMENT | MPI_SGE_FLAGS_END_OF_BUFFER | 1450 MPI_SGE_FLAGS_SIMPLE_ELEMENT | MPI_SGE_FLAGS_END_OF_LIST)); 1451 se1->FlagsLength = htole32(se1->FlagsLength); 1452 goto out; 1453 } 1454 1455 1456 flags = MPI_SGE_FLAGS_SIMPLE_ELEMENT; 1457 if (istgt == 0) { 1458 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_OUT) { 1459 flags |= MPI_SGE_FLAGS_HOST_TO_IOC; 1460 } 1461 } else { 1462 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 1463 flags |= MPI_SGE_FLAGS_HOST_TO_IOC; 1464 } 1465 } 1466 1467 if (!(ccb->ccb_h.flags & (CAM_SG_LIST_PHYS|CAM_DATA_PHYS))) { 1468 bus_dmasync_op_t op; 1469 if (istgt) { 1470 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 1471 op = BUS_DMASYNC_PREREAD; 1472 } else { 1473 op = BUS_DMASYNC_PREWRITE; 1474 } 1475 } else { 1476 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 1477 op = BUS_DMASYNC_PREWRITE; 1478 } else { 1479 op = BUS_DMASYNC_PREREAD; 1480 } 1481 } 1482 bus_dmamap_sync(mpt->buffer_dmat, req->dmap, op); 1483 } 1484 1485 /* 1486 * Okay, fill in what we can at the end of the command frame. 1487 * If we have up to MPT_NSGL_FIRST, we can fit them all into 1488 * the command frame. 1489 * 1490 * Otherwise, we fill up through MPT_NSGL_FIRST less one 1491 * SIMPLE32 pointers and start doing CHAIN32 entries after 1492 * that. 1493 */ 1494 1495 if (nseg < MPT_NSGL_FIRST(mpt)) { 1496 first_lim = nseg; 1497 } else { 1498 /* 1499 * Leave room for CHAIN element 1500 */ 1501 first_lim = MPT_NSGL_FIRST(mpt) - 1; 1502 } 1503 1504 se = (SGE_SIMPLE32 *) sglp; 1505 for (seg = 0; seg < first_lim; seg++, se++, dm_segs++) { 1506 uint32_t tf; 1507 1508 memset(se, 0,sizeof (*se)); 1509 se->Address = dm_segs->ds_addr; 1510 1511 1512 1513 MPI_pSGE_SET_LENGTH(se, dm_segs->ds_len); 1514 tf = flags; 1515 if (seg == first_lim - 1) { 1516 tf |= MPI_SGE_FLAGS_LAST_ELEMENT; 1517 } 1518 if (seg == nseg - 1) { 1519 tf |= MPI_SGE_FLAGS_END_OF_LIST | 1520 MPI_SGE_FLAGS_END_OF_BUFFER; 1521 } 1522 MPI_pSGE_SET_FLAGS(se, tf); 1523 se->FlagsLength = htole32(se->FlagsLength); 1524 } 1525 1526 if (seg == nseg) { 1527 goto out; 1528 } 1529 1530 /* 1531 * Tell the IOC where to find the first chain element. 1532 */ 1533 hdrp->ChainOffset = ((char *)se - (char *)hdrp) >> 2; 1534 nxt_off = MPT_RQSL(mpt); 1535 trq = req; 1536 1537 /* 1538 * Make up the rest of the data segments out of a chain element 1539 * (contiained in the current request frame) which points to 1540 * SIMPLE32 elements in the next request frame, possibly ending 1541 * with *another* chain element (if there's more). 1542 */ 1543 while (seg < nseg) { 1544 int this_seg_lim; 1545 uint32_t tf, cur_off; 1546 bus_addr_t chain_list_addr; 1547 1548 /* 1549 * Point to the chain descriptor. Note that the chain 1550 * descriptor is at the end of the *previous* list (whether 1551 * chain or simple). 1552 */ 1553 ce = (SGE_CHAIN32 *) se; 1554 1555 /* 1556 * Before we change our current pointer, make sure we won't 1557 * overflow the request area with this frame. Note that we 1558 * test against 'greater than' here as it's okay in this case 1559 * to have next offset be just outside the request area. 1560 */ 1561 if ((nxt_off + MPT_RQSL(mpt)) > MPT_REQUEST_AREA) { 1562 nxt_off = MPT_REQUEST_AREA; 1563 goto next_chain; 1564 } 1565 1566 /* 1567 * Set our SGE element pointer to the beginning of the chain 1568 * list and update our next chain list offset. 1569 */ 1570 se = (SGE_SIMPLE32 *) &mpt_off[nxt_off]; 1571 cur_off = nxt_off; 1572 nxt_off += MPT_RQSL(mpt); 1573 1574 /* 1575 * Now initialized the chain descriptor. 1576 */ 1577 memset(ce, 0, sizeof (*ce)); 1578 1579 /* 1580 * Get the physical address of the chain list. 1581 */ 1582 chain_list_addr = trq->req_pbuf; 1583 chain_list_addr += cur_off; 1584 1585 1586 1587 ce->Address = chain_list_addr; 1588 ce->Flags = MPI_SGE_FLAGS_CHAIN_ELEMENT; 1589 1590 1591 /* 1592 * If we have more than a frame's worth of segments left, 1593 * set up the chain list to have the last element be another 1594 * chain descriptor. 1595 */ 1596 if ((nseg - seg) > MPT_NSGL(mpt)) { 1597 this_seg_lim = seg + MPT_NSGL(mpt) - 1; 1598 /* 1599 * The length of the chain is the length in bytes of the 1600 * number of segments plus the next chain element. 1601 * 1602 * The next chain descriptor offset is the length, 1603 * in words, of the number of segments. 1604 */ 1605 ce->Length = (this_seg_lim - seg) * 1606 sizeof (SGE_SIMPLE32); 1607 ce->NextChainOffset = ce->Length >> 2; 1608 ce->Length += sizeof (SGE_CHAIN32); 1609 } else { 1610 this_seg_lim = nseg; 1611 ce->Length = (this_seg_lim - seg) * 1612 sizeof (SGE_SIMPLE32); 1613 } 1614 1615 /* 1616 * Fill in the chain list SGE elements with our segment data. 1617 * 1618 * If we're the last element in this chain list, set the last 1619 * element flag. If we're the completely last element period, 1620 * set the end of list and end of buffer flags. 1621 */ 1622 while (seg < this_seg_lim) { 1623 memset(se, 0, sizeof (*se)); 1624 se->Address = dm_segs->ds_addr; 1625 1626 1627 1628 1629 MPI_pSGE_SET_LENGTH(se, dm_segs->ds_len); 1630 tf = flags; 1631 if (seg == this_seg_lim - 1) { 1632 tf |= MPI_SGE_FLAGS_LAST_ELEMENT; 1633 } 1634 if (seg == nseg - 1) { 1635 tf |= MPI_SGE_FLAGS_END_OF_LIST | 1636 MPI_SGE_FLAGS_END_OF_BUFFER; 1637 } 1638 MPI_pSGE_SET_FLAGS(se, tf); 1639 se->FlagsLength = htole32(se->FlagsLength); 1640 se++; 1641 seg++; 1642 dm_segs++; 1643 } 1644 1645 next_chain: 1646 /* 1647 * If we have more segments to do and we've used up all of 1648 * the space in a request area, go allocate another one 1649 * and chain to that. 1650 */ 1651 if (seg < nseg && nxt_off >= MPT_REQUEST_AREA) { 1652 request_t *nrq; 1653 1654 CAMLOCK_2_MPTLOCK(mpt); 1655 nrq = mpt_get_request(mpt, FALSE); 1656 MPTLOCK_2_CAMLOCK(mpt); 1657 1658 if (nrq == NULL) { 1659 error = ENOMEM; 1660 goto bad; 1661 } 1662 1663 /* 1664 * Append the new request area on the tail of our list. 1665 */ 1666 if ((trq = req->chain) == NULL) { 1667 req->chain = nrq; 1668 } else { 1669 while (trq->chain != NULL) { 1670 trq = trq->chain; 1671 } 1672 trq->chain = nrq; 1673 } 1674 trq = nrq; 1675 mpt_off = trq->req_vbuf; 1676 if (mpt->verbose >= MPT_PRT_DEBUG) { 1677 memset(mpt_off, 0xff, MPT_REQUEST_AREA); 1678 } 1679 nxt_off = 0; 1680 } 1681 } 1682 out: 1683 1684 /* 1685 * Last time we need to check if this CCB needs to be aborted. 1686 */ 1687 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_INPROG) { 1688 if (hdrp->Function == MPI_FUNCTION_TARGET_ASSIST) { 1689 request_t *cmd_req = 1690 MPT_TAG_2_REQ(mpt, ccb->csio.tag_id); 1691 MPT_TGT_STATE(mpt, cmd_req)->state = TGT_STATE_IN_CAM; 1692 MPT_TGT_STATE(mpt, cmd_req)->ccb = NULL; 1693 MPT_TGT_STATE(mpt, cmd_req)->req = NULL; 1694 } 1695 mpt_prt(mpt, 1696 "mpt_execute_req: I/O cancelled (status 0x%x)\n", 1697 ccb->ccb_h.status & CAM_STATUS_MASK); 1698 if (nseg && (ccb->ccb_h.flags & CAM_SG_LIST_PHYS) == 0) { 1699 bus_dmamap_unload(mpt->buffer_dmat, req->dmap); 1700 } 1701 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 1702 KASSERT(ccb->ccb_h.status, ("zero ccb sts at %d\n", __LINE__)); 1703 xpt_done(ccb); 1704 CAMLOCK_2_MPTLOCK(mpt); 1705 mpt_free_request(mpt, req); 1706 MPTLOCK_2_CAMLOCK(mpt); 1707 return; 1708 } 1709 1710 ccb->ccb_h.status |= CAM_SIM_QUEUED; 1711 if (ccb->ccb_h.timeout != CAM_TIME_INFINITY) { 1712 ccb->ccb_h.timeout_ch = 1713 timeout(mpt_timeout, (caddr_t)ccb, 1714 (ccb->ccb_h.timeout * hz) / 1000); 1715 } else { 1716 callout_handle_init(&ccb->ccb_h.timeout_ch); 1717 } 1718 if (mpt->verbose > MPT_PRT_DEBUG) { 1719 int nc = 0; 1720 mpt_print_request(req->req_vbuf); 1721 for (trq = req->chain; trq; trq = trq->chain) { 1722 printf(" Additional Chain Area %d\n", nc++); 1723 mpt_dump_sgl(trq->req_vbuf, 0); 1724 } 1725 } 1726 1727 if (hdrp->Function == MPI_FUNCTION_TARGET_ASSIST) { 1728 request_t *cmd_req = MPT_TAG_2_REQ(mpt, ccb->csio.tag_id); 1729 mpt_tgt_state_t *tgt = MPT_TGT_STATE(mpt, cmd_req); 1730 #ifdef WE_TRUST_AUTO_GOOD_STATUS 1731 if ((ccb->ccb_h.flags & CAM_SEND_STATUS) && 1732 csio->scsi_status == SCSI_STATUS_OK && tgt->resid == 0) { 1733 tgt->state = TGT_STATE_MOVING_DATA_AND_STATUS; 1734 } else { 1735 tgt->state = TGT_STATE_MOVING_DATA; 1736 } 1737 #else 1738 tgt->state = TGT_STATE_MOVING_DATA; 1739 #endif 1740 } 1741 CAMLOCK_2_MPTLOCK(mpt); 1742 mpt_send_cmd(mpt, req); 1743 MPTLOCK_2_CAMLOCK(mpt); 1744 } 1745 1746 static void 1747 mpt_start(struct cam_sim *sim, union ccb *ccb) 1748 { 1749 request_t *req; 1750 struct mpt_softc *mpt; 1751 MSG_SCSI_IO_REQUEST *mpt_req; 1752 struct ccb_scsiio *csio = &ccb->csio; 1753 struct ccb_hdr *ccbh = &ccb->ccb_h; 1754 bus_dmamap_callback_t *cb; 1755 target_id_t tgt; 1756 int raid_passthru; 1757 1758 /* Get the pointer for the physical addapter */ 1759 mpt = ccb->ccb_h.ccb_mpt_ptr; 1760 raid_passthru = (sim == mpt->phydisk_sim); 1761 1762 CAMLOCK_2_MPTLOCK(mpt); 1763 if ((req = mpt_get_request(mpt, FALSE)) == NULL) { 1764 if (mpt->outofbeer == 0) { 1765 mpt->outofbeer = 1; 1766 xpt_freeze_simq(mpt->sim, 1); 1767 mpt_lprt(mpt, MPT_PRT_DEBUG, "FREEZEQ\n"); 1768 } 1769 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 1770 mpt_set_ccb_status(ccb, CAM_REQUEUE_REQ); 1771 MPTLOCK_2_CAMLOCK(mpt); 1772 xpt_done(ccb); 1773 return; 1774 } 1775 #ifdef INVARIANTS 1776 mpt_req_not_spcl(mpt, req, "mpt_start", __LINE__); 1777 #endif 1778 MPTLOCK_2_CAMLOCK(mpt); 1779 1780 if (sizeof (bus_addr_t) > 4) { 1781 cb = mpt_execute_req_a64; 1782 } else { 1783 cb = mpt_execute_req; 1784 } 1785 1786 /* 1787 * Link the ccb and the request structure so we can find 1788 * the other knowing either the request or the ccb 1789 */ 1790 req->ccb = ccb; 1791 ccb->ccb_h.ccb_req_ptr = req; 1792 1793 /* Now we build the command for the IOC */ 1794 mpt_req = req->req_vbuf; 1795 memset(mpt_req, 0, sizeof (MSG_SCSI_IO_REQUEST)); 1796 1797 mpt_req->Function = MPI_FUNCTION_SCSI_IO_REQUEST; 1798 if (raid_passthru) { 1799 mpt_req->Function = MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH; 1800 CAMLOCK_2_MPTLOCK(mpt); 1801 if (mpt_map_physdisk(mpt, ccb, &tgt) != 0) { 1802 MPTLOCK_2_CAMLOCK(mpt); 1803 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 1804 mpt_set_ccb_status(ccb, CAM_DEV_NOT_THERE); 1805 xpt_done(ccb); 1806 return; 1807 } 1808 MPTLOCK_2_CAMLOCK(mpt); 1809 mpt_req->Bus = 0; /* we never set bus here */ 1810 } else { 1811 tgt = ccb->ccb_h.target_id; 1812 mpt_req->Bus = 0; /* XXX */ 1813 1814 } 1815 mpt_req->SenseBufferLength = 1816 (csio->sense_len < MPT_SENSE_SIZE) ? 1817 csio->sense_len : MPT_SENSE_SIZE; 1818 1819 /* 1820 * We use the message context to find the request structure when we 1821 * Get the command completion interrupt from the IOC. 1822 */ 1823 mpt_req->MsgContext = htole32(req->index | scsi_io_handler_id); 1824 1825 /* Which physical device to do the I/O on */ 1826 mpt_req->TargetID = tgt; 1827 1828 /* We assume a single level LUN type */ 1829 if (ccb->ccb_h.target_lun >= 256) { 1830 mpt_req->LUN[0] = 0x40 | ((ccb->ccb_h.target_lun >> 8) & 0x3f); 1831 mpt_req->LUN[1] = ccb->ccb_h.target_lun & 0xff; 1832 } else { 1833 mpt_req->LUN[1] = ccb->ccb_h.target_lun; 1834 } 1835 1836 /* Set the direction of the transfer */ 1837 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 1838 mpt_req->Control = MPI_SCSIIO_CONTROL_READ; 1839 } else if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_OUT) { 1840 mpt_req->Control = MPI_SCSIIO_CONTROL_WRITE; 1841 } else { 1842 mpt_req->Control = MPI_SCSIIO_CONTROL_NODATATRANSFER; 1843 } 1844 1845 if ((ccb->ccb_h.flags & CAM_TAG_ACTION_VALID) != 0) { 1846 switch(ccb->csio.tag_action) { 1847 case MSG_HEAD_OF_Q_TAG: 1848 mpt_req->Control |= MPI_SCSIIO_CONTROL_HEADOFQ; 1849 break; 1850 case MSG_ACA_TASK: 1851 mpt_req->Control |= MPI_SCSIIO_CONTROL_ACAQ; 1852 break; 1853 case MSG_ORDERED_Q_TAG: 1854 mpt_req->Control |= MPI_SCSIIO_CONTROL_ORDEREDQ; 1855 break; 1856 case MSG_SIMPLE_Q_TAG: 1857 default: 1858 mpt_req->Control |= MPI_SCSIIO_CONTROL_SIMPLEQ; 1859 break; 1860 } 1861 } else { 1862 if (mpt->is_fc || mpt->is_sas) { 1863 mpt_req->Control |= MPI_SCSIIO_CONTROL_SIMPLEQ; 1864 } else { 1865 /* XXX No such thing for a target doing packetized. */ 1866 mpt_req->Control |= MPI_SCSIIO_CONTROL_UNTAGGED; 1867 } 1868 } 1869 1870 if (mpt->is_spi) { 1871 if (ccb->ccb_h.flags & CAM_DIS_DISCONNECT) { 1872 mpt_req->Control |= MPI_SCSIIO_CONTROL_NO_DISCONNECT; 1873 } 1874 } 1875 1876 /* Copy the scsi command block into place */ 1877 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0) { 1878 bcopy(csio->cdb_io.cdb_ptr, mpt_req->CDB, csio->cdb_len); 1879 } else { 1880 bcopy(csio->cdb_io.cdb_bytes, mpt_req->CDB, csio->cdb_len); 1881 } 1882 1883 mpt_req->CDBLength = csio->cdb_len; 1884 mpt_req->DataLength = htole32(csio->dxfer_len); 1885 mpt_req->SenseBufferLowAddr = htole32(req->sense_pbuf); 1886 1887 /* 1888 * Do a *short* print here if we're set to MPT_PRT_DEBUG 1889 */ 1890 if (mpt->verbose == MPT_PRT_DEBUG) { 1891 U32 df; 1892 mpt_prt(mpt, "mpt_start: %s op 0x%x ", 1893 (mpt_req->Function == MPI_FUNCTION_SCSI_IO_REQUEST)? 1894 "SCSI_IO_REQUEST" : "SCSI_IO_PASSTHRU", mpt_req->CDB[0]); 1895 df = mpt_req->Control & MPI_SCSIIO_CONTROL_DATADIRECTION_MASK; 1896 if (df != MPI_SCSIIO_CONTROL_NODATATRANSFER) { 1897 mpt_prtc(mpt, "(%s %u byte%s ", 1898 (df == MPI_SCSIIO_CONTROL_READ)? 1899 "read" : "write", csio->dxfer_len, 1900 (csio->dxfer_len == 1)? ")" : "s)"); 1901 } 1902 mpt_prtc(mpt, "tgt %u lun %u req %p:%u\n", tgt, 1903 ccb->ccb_h.target_lun, req, req->serno); 1904 } 1905 1906 /* 1907 * If we have any data to send with this command map it into bus space. 1908 */ 1909 if ((ccbh->flags & CAM_DIR_MASK) != CAM_DIR_NONE) { 1910 if ((ccbh->flags & CAM_SCATTER_VALID) == 0) { 1911 /* 1912 * We've been given a pointer to a single buffer. 1913 */ 1914 if ((ccbh->flags & CAM_DATA_PHYS) == 0) { 1915 /* 1916 * Virtual address that needs to translated into 1917 * one or more physical address ranges. 1918 */ 1919 int error; 1920 int s = splsoftvm(); 1921 error = bus_dmamap_load(mpt->buffer_dmat, 1922 req->dmap, csio->data_ptr, csio->dxfer_len, 1923 cb, req, 0); 1924 splx(s); 1925 if (error == EINPROGRESS) { 1926 /* 1927 * So as to maintain ordering, 1928 * freeze the controller queue 1929 * until our mapping is 1930 * returned. 1931 */ 1932 xpt_freeze_simq(mpt->sim, 1); 1933 ccbh->status |= CAM_RELEASE_SIMQ; 1934 } 1935 } else { 1936 /* 1937 * We have been given a pointer to single 1938 * physical buffer. 1939 */ 1940 struct bus_dma_segment seg; 1941 seg.ds_addr = 1942 (bus_addr_t)(vm_offset_t)csio->data_ptr; 1943 seg.ds_len = csio->dxfer_len; 1944 (*cb)(req, &seg, 1, 0); 1945 } 1946 } else { 1947 /* 1948 * We have been given a list of addresses. 1949 * This case could be easily supported but they are not 1950 * currently generated by the CAM subsystem so there 1951 * is no point in wasting the time right now. 1952 */ 1953 struct bus_dma_segment *segs; 1954 if ((ccbh->flags & CAM_SG_LIST_PHYS) == 0) { 1955 (*cb)(req, NULL, 0, EFAULT); 1956 } else { 1957 /* Just use the segments provided */ 1958 segs = (struct bus_dma_segment *)csio->data_ptr; 1959 (*cb)(req, segs, csio->sglist_cnt, 0); 1960 } 1961 } 1962 } else { 1963 (*cb)(req, NULL, 0, 0); 1964 } 1965 } 1966 1967 static int 1968 mpt_bus_reset(struct mpt_softc *mpt, target_id_t tgt, lun_id_t lun, 1969 int sleep_ok) 1970 { 1971 int error; 1972 uint16_t status; 1973 uint8_t response; 1974 1975 error = mpt_scsi_send_tmf(mpt, 1976 (tgt != CAM_TARGET_WILDCARD || lun != CAM_LUN_WILDCARD) ? 1977 MPI_SCSITASKMGMT_TASKTYPE_TARGET_RESET : 1978 MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS, 1979 mpt->is_fc ? MPI_SCSITASKMGMT_MSGFLAGS_LIP_RESET_OPTION : 0, 1980 0, /* XXX How do I get the channel ID? */ 1981 tgt != CAM_TARGET_WILDCARD ? tgt : 0, 1982 lun != CAM_LUN_WILDCARD ? lun : 0, 1983 0, sleep_ok); 1984 1985 if (error != 0) { 1986 /* 1987 * mpt_scsi_send_tmf hard resets on failure, so no 1988 * need to do so here. 1989 */ 1990 mpt_prt(mpt, 1991 "mpt_bus_reset: mpt_scsi_send_tmf returned %d\n", error); 1992 return (EIO); 1993 } 1994 1995 /* Wait for bus reset to be processed by the IOC. */ 1996 error = mpt_wait_req(mpt, mpt->tmf_req, REQ_STATE_DONE, 1997 REQ_STATE_DONE, sleep_ok, 5000); 1998 1999 status = mpt->tmf_req->IOCStatus; 2000 response = mpt->tmf_req->ResponseCode; 2001 mpt->tmf_req->state = REQ_STATE_FREE; 2002 2003 if (error) { 2004 mpt_prt(mpt, "mpt_bus_reset: Reset timed-out. " 2005 "Resetting controller.\n"); 2006 mpt_reset(mpt, TRUE); 2007 return (ETIMEDOUT); 2008 } 2009 2010 if ((status & MPI_IOCSTATUS_MASK) != MPI_IOCSTATUS_SUCCESS) { 2011 mpt_prt(mpt, "mpt_bus_reset: TMF IOC Status 0x%x. " 2012 "Resetting controller.\n", status); 2013 mpt_reset(mpt, TRUE); 2014 return (EIO); 2015 } 2016 2017 if (response != MPI_SCSITASKMGMT_RSP_TM_SUCCEEDED && 2018 response != MPI_SCSITASKMGMT_RSP_TM_COMPLETE) { 2019 mpt_prt(mpt, "mpt_bus_reset: TMF Response 0x%x. " 2020 "Resetting controller.\n", response); 2021 mpt_reset(mpt, TRUE); 2022 return (EIO); 2023 } 2024 return (0); 2025 } 2026 2027 static int 2028 mpt_fc_reset_link(struct mpt_softc *mpt, int dowait) 2029 { 2030 int r = 0; 2031 request_t *req; 2032 PTR_MSG_FC_PRIMITIVE_SEND_REQUEST fc; 2033 2034 req = mpt_get_request(mpt, FALSE); 2035 if (req == NULL) { 2036 return (ENOMEM); 2037 } 2038 fc = req->req_vbuf; 2039 memset(fc, 0, sizeof(*fc)); 2040 fc->SendFlags = MPI_FC_PRIM_SEND_FLAGS_RESET_LINK; 2041 fc->Function = MPI_FUNCTION_FC_PRIMITIVE_SEND; 2042 fc->MsgContext = htole32(req->index | fc_els_handler_id); 2043 mpt_send_cmd(mpt, req); 2044 if (dowait) { 2045 r = mpt_wait_req(mpt, req, REQ_STATE_DONE, 2046 REQ_STATE_DONE, FALSE, 60 * 1000); 2047 if (r == 0) { 2048 mpt_free_request(mpt, req); 2049 } 2050 } 2051 return (r); 2052 } 2053 2054 static int 2055 mpt_cam_event(struct mpt_softc *mpt, request_t *req, 2056 MSG_EVENT_NOTIFY_REPLY *msg) 2057 { 2058 uint32_t data0, data1; 2059 2060 data0 = le32toh(msg->Data[0]); 2061 data1 = le32toh(msg->Data[1]); 2062 switch(msg->Event & 0xFF) { 2063 case MPI_EVENT_UNIT_ATTENTION: 2064 mpt_prt(mpt, "UNIT ATTENTION: Bus: 0x%02x TargetID: 0x%02x\n", 2065 (data0 >> 8) & 0xff, data0 & 0xff); 2066 break; 2067 2068 case MPI_EVENT_IOC_BUS_RESET: 2069 /* We generated a bus reset */ 2070 mpt_prt(mpt, "IOC Generated Bus Reset Port: %d\n", 2071 (data0 >> 8) & 0xff); 2072 xpt_async(AC_BUS_RESET, mpt->path, NULL); 2073 break; 2074 2075 case MPI_EVENT_EXT_BUS_RESET: 2076 /* Someone else generated a bus reset */ 2077 mpt_prt(mpt, "External Bus Reset Detected\n"); 2078 /* 2079 * These replies don't return EventData like the MPI 2080 * spec says they do 2081 */ 2082 xpt_async(AC_BUS_RESET, mpt->path, NULL); 2083 break; 2084 2085 case MPI_EVENT_RESCAN: 2086 { 2087 union ccb *ccb; 2088 uint32_t pathid; 2089 /* 2090 * In general this means a device has been added to the loop. 2091 */ 2092 mpt_prt(mpt, "Rescan Port: %d\n", (data0 >> 8) & 0xff); 2093 if (mpt->ready == 0) { 2094 break; 2095 } 2096 if (mpt->phydisk_sim) { 2097 pathid = cam_sim_path(mpt->phydisk_sim);; 2098 } else { 2099 pathid = cam_sim_path(mpt->sim); 2100 } 2101 MPTLOCK_2_CAMLOCK(mpt); 2102 /* 2103 * Allocate a CCB, create a wildcard path for this bus, 2104 * and schedule a rescan. 2105 */ 2106 ccb = xpt_alloc_ccb_nowait(); 2107 if (ccb == NULL) { 2108 mpt_prt(mpt, "unable to alloc CCB for rescan\n"); 2109 CAMLOCK_2_MPTLOCK(mpt); 2110 break; 2111 } 2112 2113 if (xpt_create_path(&ccb->ccb_h.path, xpt_periph, pathid, 2114 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 2115 CAMLOCK_2_MPTLOCK(mpt); 2116 mpt_prt(mpt, "unable to create path for rescan\n"); 2117 xpt_free_ccb(ccb); 2118 break; 2119 } 2120 xpt_rescan(ccb); 2121 CAMLOCK_2_MPTLOCK(mpt); 2122 break; 2123 } 2124 case MPI_EVENT_LINK_STATUS_CHANGE: 2125 mpt_prt(mpt, "Port %d: LinkState: %s\n", 2126 (data1 >> 8) & 0xff, 2127 ((data0 & 0xff) == 0)? "Failed" : "Active"); 2128 break; 2129 2130 case MPI_EVENT_LOOP_STATE_CHANGE: 2131 switch ((data0 >> 16) & 0xff) { 2132 case 0x01: 2133 mpt_prt(mpt, 2134 "Port 0x%x: FC LinkEvent: LIP(%02x,%02x) " 2135 "(Loop Initialization)\n", 2136 (data1 >> 8) & 0xff, 2137 (data0 >> 8) & 0xff, 2138 (data0 ) & 0xff); 2139 switch ((data0 >> 8) & 0xff) { 2140 case 0xF7: 2141 if ((data0 & 0xff) == 0xF7) { 2142 mpt_prt(mpt, "Device needs AL_PA\n"); 2143 } else { 2144 mpt_prt(mpt, "Device %02x doesn't like " 2145 "FC performance\n", 2146 data0 & 0xFF); 2147 } 2148 break; 2149 case 0xF8: 2150 if ((data0 & 0xff) == 0xF7) { 2151 mpt_prt(mpt, "Device had loop failure " 2152 "at its receiver prior to acquiring" 2153 " AL_PA\n"); 2154 } else { 2155 mpt_prt(mpt, "Device %02x detected loop" 2156 " failure at its receiver\n", 2157 data0 & 0xFF); 2158 } 2159 break; 2160 default: 2161 mpt_prt(mpt, "Device %02x requests that device " 2162 "%02x reset itself\n", 2163 data0 & 0xFF, 2164 (data0 >> 8) & 0xFF); 2165 break; 2166 } 2167 break; 2168 case 0x02: 2169 mpt_prt(mpt, "Port 0x%x: FC LinkEvent: " 2170 "LPE(%02x,%02x) (Loop Port Enable)\n", 2171 (data1 >> 8) & 0xff, /* Port */ 2172 (data0 >> 8) & 0xff, /* Character 3 */ 2173 (data0 ) & 0xff /* Character 4 */); 2174 break; 2175 case 0x03: 2176 mpt_prt(mpt, "Port 0x%x: FC LinkEvent: " 2177 "LPB(%02x,%02x) (Loop Port Bypass)\n", 2178 (data1 >> 8) & 0xff, /* Port */ 2179 (data0 >> 8) & 0xff, /* Character 3 */ 2180 (data0 ) & 0xff /* Character 4 */); 2181 break; 2182 default: 2183 mpt_prt(mpt, "Port 0x%x: FC LinkEvent: Unknown " 2184 "FC event (%02x %02x %02x)\n", 2185 (data1 >> 8) & 0xff, /* Port */ 2186 (data0 >> 16) & 0xff, /* Event */ 2187 (data0 >> 8) & 0xff, /* Character 3 */ 2188 (data0 ) & 0xff /* Character 4 */); 2189 } 2190 break; 2191 2192 case MPI_EVENT_LOGOUT: 2193 mpt_prt(mpt, "FC Logout Port: %d N_PortID: %02x\n", 2194 (data1 >> 8) & 0xff, data0); 2195 break; 2196 case MPI_EVENT_QUEUE_FULL: 2197 { 2198 struct cam_sim *sim; 2199 struct cam_path *tmppath; 2200 struct ccb_relsim crs; 2201 PTR_EVENT_DATA_QUEUE_FULL pqf = 2202 (PTR_EVENT_DATA_QUEUE_FULL) msg->Data; 2203 lun_id_t lun_id; 2204 2205 mpt_prt(mpt, "QUEUE FULL EVENT: Bus 0x%02x Target 0x%02x Depth " 2206 "%d\n", pqf->Bus, pqf->TargetID, pqf->CurrentDepth); 2207 if (mpt->phydisk_sim) { 2208 sim = mpt->phydisk_sim; 2209 } else { 2210 sim = mpt->sim; 2211 } 2212 MPTLOCK_2_CAMLOCK(mpt); 2213 for (lun_id = 0; lun_id < MPT_MAX_LUNS; lun_id++) { 2214 if (xpt_create_path(&tmppath, NULL, cam_sim_path(sim), 2215 pqf->TargetID, lun_id) != CAM_REQ_CMP) { 2216 mpt_prt(mpt, "unable to create a path to send " 2217 "XPT_REL_SIMQ"); 2218 CAMLOCK_2_MPTLOCK(mpt); 2219 break; 2220 } 2221 xpt_setup_ccb(&crs.ccb_h, tmppath, 5); 2222 crs.ccb_h.func_code = XPT_REL_SIMQ; 2223 crs.release_flags = RELSIM_ADJUST_OPENINGS; 2224 crs.openings = pqf->CurrentDepth - 1; 2225 xpt_action((union ccb *)&crs); 2226 if (crs.ccb_h.status != CAM_REQ_CMP) { 2227 mpt_prt(mpt, "XPT_REL_SIMQ failed\n"); 2228 } 2229 xpt_free_path(tmppath); 2230 } 2231 CAMLOCK_2_MPTLOCK(mpt); 2232 break; 2233 } 2234 case MPI_EVENT_EVENT_CHANGE: 2235 case MPI_EVENT_INTEGRATED_RAID: 2236 case MPI_EVENT_SAS_DEVICE_STATUS_CHANGE: 2237 case MPI_EVENT_SAS_SES: 2238 break; 2239 default: 2240 mpt_lprt(mpt, MPT_PRT_WARN, "mpt_cam_event: 0x%x\n", 2241 msg->Event & 0xFF); 2242 return (0); 2243 } 2244 return (1); 2245 } 2246 2247 /* 2248 * Reply path for all SCSI I/O requests, called from our 2249 * interrupt handler by extracting our handler index from 2250 * the MsgContext field of the reply from the IOC. 2251 * 2252 * This routine is optimized for the common case of a 2253 * completion without error. All exception handling is 2254 * offloaded to non-inlined helper routines to minimize 2255 * cache footprint. 2256 */ 2257 static int 2258 mpt_scsi_reply_handler(struct mpt_softc *mpt, request_t *req, 2259 uint32_t reply_desc, MSG_DEFAULT_REPLY *reply_frame) 2260 { 2261 MSG_SCSI_IO_REQUEST *scsi_req; 2262 union ccb *ccb; 2263 target_id_t tgt; 2264 2265 if (req->state == REQ_STATE_FREE) { 2266 mpt_prt(mpt, "mpt_scsi_reply_handler: req already free\n"); 2267 return (TRUE); 2268 } 2269 2270 scsi_req = (MSG_SCSI_IO_REQUEST *)req->req_vbuf; 2271 ccb = req->ccb; 2272 if (ccb == NULL) { 2273 mpt_prt(mpt, "mpt_scsi_reply_handler: req %p:%u with no ccb\n", 2274 req, req->serno); 2275 return (TRUE); 2276 } 2277 2278 tgt = scsi_req->TargetID; 2279 untimeout(mpt_timeout, ccb, ccb->ccb_h.timeout_ch); 2280 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 2281 2282 if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) { 2283 bus_dmasync_op_t op; 2284 2285 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) 2286 op = BUS_DMASYNC_POSTREAD; 2287 else 2288 op = BUS_DMASYNC_POSTWRITE; 2289 bus_dmamap_sync(mpt->buffer_dmat, req->dmap, op); 2290 bus_dmamap_unload(mpt->buffer_dmat, req->dmap); 2291 } 2292 2293 if (reply_frame == NULL) { 2294 /* 2295 * Context only reply, completion without error status. 2296 */ 2297 ccb->csio.resid = 0; 2298 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 2299 ccb->csio.scsi_status = SCSI_STATUS_OK; 2300 } else { 2301 mpt_scsi_reply_frame_handler(mpt, req, reply_frame); 2302 } 2303 2304 if (mpt->outofbeer) { 2305 ccb->ccb_h.status |= CAM_RELEASE_SIMQ; 2306 mpt->outofbeer = 0; 2307 mpt_lprt(mpt, MPT_PRT_DEBUG, "THAWQ\n"); 2308 } 2309 if (scsi_req->CDB[0] == INQUIRY && (scsi_req->CDB[1] & SI_EVPD) == 0) { 2310 struct scsi_inquiry_data *iq = 2311 (struct scsi_inquiry_data *)ccb->csio.data_ptr; 2312 if (scsi_req->Function == 2313 MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH) { 2314 /* 2315 * Fake out the device type so that only the 2316 * pass-thru device will attach. 2317 */ 2318 iq->device &= ~0x1F; 2319 iq->device |= T_NODEVICE; 2320 } 2321 } 2322 if (mpt->verbose == MPT_PRT_DEBUG) { 2323 mpt_prt(mpt, "mpt_scsi_reply_handler: %p:%u complete\n", 2324 req, req->serno); 2325 } 2326 KASSERT(ccb->ccb_h.status, ("zero ccb sts at %d\n", __LINE__)); 2327 MPTLOCK_2_CAMLOCK(mpt); 2328 xpt_done(ccb); 2329 CAMLOCK_2_MPTLOCK(mpt); 2330 if ((req->state & REQ_STATE_TIMEDOUT) == 0) { 2331 TAILQ_REMOVE(&mpt->request_pending_list, req, links); 2332 } else { 2333 mpt_prt(mpt, "completing timedout/aborted req %p:%u\n", 2334 req, req->serno); 2335 TAILQ_REMOVE(&mpt->request_timeout_list, req, links); 2336 } 2337 KASSERT((req->state & REQ_STATE_NEED_WAKEUP) == 0, 2338 ("CCB req needed wakeup")); 2339 #ifdef INVARIANTS 2340 mpt_req_not_spcl(mpt, req, "mpt_scsi_reply_handler", __LINE__); 2341 #endif 2342 mpt_free_request(mpt, req); 2343 return (TRUE); 2344 } 2345 2346 static int 2347 mpt_scsi_tmf_reply_handler(struct mpt_softc *mpt, request_t *req, 2348 uint32_t reply_desc, MSG_DEFAULT_REPLY *reply_frame) 2349 { 2350 MSG_SCSI_TASK_MGMT_REPLY *tmf_reply; 2351 2352 KASSERT(req == mpt->tmf_req, ("TMF Reply not using mpt->tmf_req")); 2353 #ifdef INVARIANTS 2354 mpt_req_not_spcl(mpt, req, "mpt_scsi_tmf_reply_handler", __LINE__); 2355 #endif 2356 tmf_reply = (MSG_SCSI_TASK_MGMT_REPLY *)reply_frame; 2357 /* Record IOC Status and Response Code of TMF for any waiters. */ 2358 req->IOCStatus = le16toh(tmf_reply->IOCStatus); 2359 req->ResponseCode = tmf_reply->ResponseCode; 2360 2361 mpt_lprt(mpt, MPT_PRT_DEBUG, "TMF complete: req %p:%u status 0x%x\n", 2362 req, req->serno, le16toh(tmf_reply->IOCStatus)); 2363 TAILQ_REMOVE(&mpt->request_pending_list, req, links); 2364 if ((req->state & REQ_STATE_NEED_WAKEUP) != 0) { 2365 req->state |= REQ_STATE_DONE; 2366 wakeup(req); 2367 } else { 2368 mpt->tmf_req->state = REQ_STATE_FREE; 2369 } 2370 return (TRUE); 2371 } 2372 2373 /* 2374 * XXX: Move to definitions file 2375 */ 2376 #define ELS 0x22 2377 #define FC4LS 0x32 2378 #define ABTS 0x81 2379 #define BA_ACC 0x84 2380 2381 #define LS_RJT 0x01 2382 #define LS_ACC 0x02 2383 #define PLOGI 0x03 2384 #define LOGO 0x05 2385 #define SRR 0x14 2386 #define PRLI 0x20 2387 #define PRLO 0x21 2388 #define ADISC 0x52 2389 #define RSCN 0x61 2390 2391 static void 2392 mpt_fc_els_send_response(struct mpt_softc *mpt, request_t *req, 2393 PTR_MSG_LINK_SERVICE_BUFFER_POST_REPLY rp, U8 length) 2394 { 2395 uint32_t fl; 2396 MSG_LINK_SERVICE_RSP_REQUEST tmp; 2397 PTR_MSG_LINK_SERVICE_RSP_REQUEST rsp; 2398 2399 /* 2400 * We are going to reuse the ELS request to send this response back. 2401 */ 2402 rsp = &tmp; 2403 memset(rsp, 0, sizeof(*rsp)); 2404 2405 #ifdef USE_IMMEDIATE_LINK_DATA 2406 /* 2407 * Apparently the IMMEDIATE stuff doesn't seem to work. 2408 */ 2409 rsp->RspFlags = LINK_SERVICE_RSP_FLAGS_IMMEDIATE; 2410 #endif 2411 rsp->RspLength = length; 2412 rsp->Function = MPI_FUNCTION_FC_LINK_SRVC_RSP; 2413 rsp->MsgContext = htole32(req->index | fc_els_handler_id); 2414 2415 /* 2416 * Copy over information from the original reply frame to 2417 * it's correct place in the response. 2418 */ 2419 memcpy((U8 *)rsp + 0x0c, (U8 *)rp + 0x1c, 24); 2420 2421 /* 2422 * And now copy back the temporary area to the original frame. 2423 */ 2424 memcpy(req->req_vbuf, rsp, sizeof (MSG_LINK_SERVICE_RSP_REQUEST)); 2425 rsp = req->req_vbuf; 2426 2427 #ifdef USE_IMMEDIATE_LINK_DATA 2428 memcpy((U8 *)&rsp->SGL, &((U8 *)req->req_vbuf)[MPT_RQSL(mpt)], length); 2429 #else 2430 { 2431 PTR_SGE_SIMPLE32 se = (PTR_SGE_SIMPLE32) &rsp->SGL; 2432 bus_addr_t paddr = req->req_pbuf; 2433 paddr += MPT_RQSL(mpt); 2434 2435 fl = 2436 MPI_SGE_FLAGS_HOST_TO_IOC | 2437 MPI_SGE_FLAGS_SIMPLE_ELEMENT | 2438 MPI_SGE_FLAGS_LAST_ELEMENT | 2439 MPI_SGE_FLAGS_END_OF_LIST | 2440 MPI_SGE_FLAGS_END_OF_BUFFER; 2441 fl <<= MPI_SGE_FLAGS_SHIFT; 2442 fl |= (length); 2443 se->FlagsLength = htole32(fl); 2444 se->Address = htole32((uint32_t) paddr); 2445 } 2446 #endif 2447 2448 /* 2449 * Send it on... 2450 */ 2451 mpt_send_cmd(mpt, req); 2452 } 2453 2454 static int 2455 mpt_fc_els_reply_handler(struct mpt_softc *mpt, request_t *req, 2456 uint32_t reply_desc, MSG_DEFAULT_REPLY *reply_frame) 2457 { 2458 PTR_MSG_LINK_SERVICE_BUFFER_POST_REPLY rp = 2459 (PTR_MSG_LINK_SERVICE_BUFFER_POST_REPLY) reply_frame; 2460 U8 rctl; 2461 U8 type; 2462 U8 cmd; 2463 U16 status = le16toh(reply_frame->IOCStatus); 2464 U32 *elsbuf; 2465 int ioindex; 2466 int do_refresh = TRUE; 2467 2468 #ifdef INVARIANTS 2469 KASSERT(mpt_req_on_free_list(mpt, req) == 0, 2470 ("fc_els_reply_handler: req %p:%u for function %x on freelist!", 2471 req, req->serno, rp->Function)); 2472 if (rp->Function != MPI_FUNCTION_FC_PRIMITIVE_SEND) { 2473 mpt_req_spcl(mpt, req, "fc_els_reply_handler", __LINE__); 2474 } else { 2475 mpt_req_not_spcl(mpt, req, "fc_els_reply_handler", __LINE__); 2476 } 2477 #endif 2478 mpt_lprt(mpt, MPT_PRT_DEBUG, 2479 "FC_ELS Complete: req %p:%u, reply %p function %x\n", 2480 req, req->serno, reply_frame, reply_frame->Function); 2481 2482 if (status != MPI_IOCSTATUS_SUCCESS) { 2483 mpt_prt(mpt, "ELS REPLY STATUS 0x%x for Function %x\n", 2484 status, reply_frame->Function); 2485 if (status == MPI_IOCSTATUS_INVALID_STATE) { 2486 /* 2487 * XXX: to get around shutdown issue 2488 */ 2489 mpt->disabled = 1; 2490 return (TRUE); 2491 } 2492 return (TRUE); 2493 } 2494 2495 /* 2496 * If the function of a link service response, we recycle the 2497 * response to be a refresh for a new link service request. 2498 * 2499 * The request pointer is bogus in this case and we have to fetch 2500 * it based upon the TransactionContext. 2501 */ 2502 if (rp->Function == MPI_FUNCTION_FC_LINK_SRVC_RSP) { 2503 /* Freddie Uncle Charlie Katie */ 2504 /* We don't get the IOINDEX as part of the Link Svc Rsp */ 2505 for (ioindex = 0; ioindex < mpt->els_cmds_allocated; ioindex++) 2506 if (mpt->els_cmd_ptrs[ioindex] == req) { 2507 break; 2508 } 2509 2510 KASSERT(ioindex < mpt->els_cmds_allocated, 2511 ("can't find my mommie!")); 2512 2513 /* remove from active list as we're going to re-post it */ 2514 TAILQ_REMOVE(&mpt->request_pending_list, req, links); 2515 req->state &= ~REQ_STATE_QUEUED; 2516 req->state |= REQ_STATE_DONE; 2517 mpt_fc_post_els(mpt, req, ioindex); 2518 return (TRUE); 2519 } 2520 2521 if (rp->Function == MPI_FUNCTION_FC_PRIMITIVE_SEND) { 2522 /* remove from active list as we're done */ 2523 TAILQ_REMOVE(&mpt->request_pending_list, req, links); 2524 req->state &= ~REQ_STATE_QUEUED; 2525 req->state |= REQ_STATE_DONE; 2526 if (req->state & REQ_STATE_TIMEDOUT) { 2527 mpt_lprt(mpt, MPT_PRT_DEBUG, 2528 "Sync Primitive Send Completed After Timeout\n"); 2529 mpt_free_request(mpt, req); 2530 } else if ((req->state & REQ_STATE_NEED_WAKEUP) == 0) { 2531 mpt_lprt(mpt, MPT_PRT_DEBUG, 2532 "Async Primitive Send Complete\n"); 2533 mpt_free_request(mpt, req); 2534 } else { 2535 mpt_lprt(mpt, MPT_PRT_DEBUG, 2536 "Sync Primitive Send Complete- Waking Waiter\n"); 2537 wakeup(req); 2538 } 2539 return (TRUE); 2540 } 2541 2542 if (rp->Function != MPI_FUNCTION_FC_LINK_SRVC_BUF_POST) { 2543 mpt_prt(mpt, "unexpected ELS_REPLY: Function 0x%x Flags %x " 2544 "Length %d Message Flags %x\n", rp->Function, rp->Flags, 2545 rp->MsgLength, rp->MsgFlags); 2546 return (TRUE); 2547 } 2548 2549 if (rp->MsgLength <= 5) { 2550 /* 2551 * This is just a ack of an original ELS buffer post 2552 */ 2553 mpt_lprt(mpt, MPT_PRT_DEBUG, 2554 "RECV'd ACK of FC_ELS buf post %p:%u\n", req, req->serno); 2555 return (TRUE); 2556 } 2557 2558 2559 rctl = (le32toh(rp->Rctl_Did) & MPI_FC_RCTL_MASK) >> MPI_FC_RCTL_SHIFT; 2560 type = (le32toh(rp->Type_Fctl) & MPI_FC_TYPE_MASK) >> MPI_FC_TYPE_SHIFT; 2561 2562 elsbuf = &((U32 *)req->req_vbuf)[MPT_RQSL(mpt)/sizeof (U32)]; 2563 cmd = be32toh(elsbuf[0]) >> 24; 2564 2565 if (rp->Flags & MPI_LS_BUF_POST_REPLY_FLAG_NO_RSP_NEEDED) { 2566 mpt_lprt(mpt, MPT_PRT_ALWAYS, "ELS_REPLY: response unneeded\n"); 2567 return (TRUE); 2568 } 2569 2570 ioindex = le32toh(rp->TransactionContext); 2571 req = mpt->els_cmd_ptrs[ioindex]; 2572 2573 if (rctl == ELS && type == 1) { 2574 switch (cmd) { 2575 case PRLI: 2576 /* 2577 * Send back a PRLI ACC 2578 */ 2579 mpt_prt(mpt, "PRLI from 0x%08x%08x\n", 2580 le32toh(rp->Wwn.PortNameHigh), 2581 le32toh(rp->Wwn.PortNameLow)); 2582 elsbuf[0] = htobe32(0x02100014); 2583 elsbuf[1] |= htobe32(0x00000100); 2584 elsbuf[4] = htobe32(0x00000002); 2585 if (mpt->role & MPT_ROLE_TARGET) 2586 elsbuf[4] |= htobe32(0x00000010); 2587 if (mpt->role & MPT_ROLE_INITIATOR) 2588 elsbuf[4] |= htobe32(0x00000020); 2589 /* remove from active list as we're done */ 2590 TAILQ_REMOVE(&mpt->request_pending_list, req, links); 2591 req->state &= ~REQ_STATE_QUEUED; 2592 req->state |= REQ_STATE_DONE; 2593 mpt_fc_els_send_response(mpt, req, rp, 20); 2594 do_refresh = FALSE; 2595 break; 2596 case PRLO: 2597 memset(elsbuf, 0, 5 * (sizeof (U32))); 2598 elsbuf[0] = htobe32(0x02100014); 2599 elsbuf[1] = htobe32(0x08000100); 2600 mpt_prt(mpt, "PRLO from 0x%08x%08x\n", 2601 le32toh(rp->Wwn.PortNameHigh), 2602 le32toh(rp->Wwn.PortNameLow)); 2603 /* remove from active list as we're done */ 2604 TAILQ_REMOVE(&mpt->request_pending_list, req, links); 2605 req->state &= ~REQ_STATE_QUEUED; 2606 req->state |= REQ_STATE_DONE; 2607 mpt_fc_els_send_response(mpt, req, rp, 20); 2608 do_refresh = FALSE; 2609 break; 2610 default: 2611 mpt_prt(mpt, "ELS TYPE 1 COMMAND: %x\n", cmd); 2612 break; 2613 } 2614 } else if (rctl == ABTS && type == 0) { 2615 uint16_t rx_id = le16toh(rp->Rxid); 2616 uint16_t ox_id = le16toh(rp->Oxid); 2617 request_t *tgt_req = NULL; 2618 2619 mpt_prt(mpt, 2620 "ELS: ABTS OX_ID 0x%x RX_ID 0x%x from 0x%08x%08x\n", 2621 ox_id, rx_id, le32toh(rp->Wwn.PortNameHigh), 2622 le32toh(rp->Wwn.PortNameLow)); 2623 if (rx_id >= mpt->mpt_max_tgtcmds) { 2624 mpt_prt(mpt, "Bad RX_ID 0x%x\n", rx_id); 2625 } else if (mpt->tgt_cmd_ptrs == NULL) { 2626 mpt_prt(mpt, "No TGT CMD PTRS\n"); 2627 } else { 2628 tgt_req = mpt->tgt_cmd_ptrs[rx_id]; 2629 } 2630 if (tgt_req) { 2631 mpt_tgt_state_t *tgt = MPT_TGT_STATE(mpt, tgt_req); 2632 uint8_t *vbuf; 2633 union ccb *ccb = tgt->ccb; 2634 uint32_t ct_id; 2635 2636 vbuf = tgt_req->req_vbuf; 2637 vbuf += MPT_RQSL(mpt); 2638 2639 /* 2640 * Check to make sure we have the correct command 2641 * The reply descriptor in the target state should 2642 * should contain an IoIndex that should match the 2643 * RX_ID. 2644 * 2645 * It'd be nice to have OX_ID to crosscheck with 2646 * as well. 2647 */ 2648 ct_id = GET_IO_INDEX(tgt->reply_desc); 2649 2650 if (ct_id != rx_id) { 2651 mpt_lprt(mpt, MPT_PRT_ERROR, "ABORT Mismatch: " 2652 "RX_ID received=0x%x; RX_ID in cmd=0x%x\n", 2653 rx_id, ct_id); 2654 goto skip; 2655 } 2656 2657 ccb = tgt->ccb; 2658 if (ccb) { 2659 mpt_prt(mpt, 2660 "CCB (%p): lun %u flags %x status %x\n", 2661 ccb, ccb->ccb_h.target_lun, 2662 ccb->ccb_h.flags, ccb->ccb_h.status); 2663 } 2664 mpt_prt(mpt, "target state 0x%x resid %u xfrd %u rpwrd " 2665 "%x nxfers %x\n", tgt->state, 2666 tgt->resid, tgt->bytes_xfered, tgt->reply_desc, 2667 tgt->nxfers); 2668 skip: 2669 if (mpt_abort_target_cmd(mpt, tgt_req)) { 2670 mpt_prt(mpt, "unable to start TargetAbort\n"); 2671 } 2672 } else { 2673 mpt_prt(mpt, "no back pointer for RX_ID 0x%x\n", rx_id); 2674 } 2675 memset(elsbuf, 0, 5 * (sizeof (U32))); 2676 elsbuf[0] = htobe32(0); 2677 elsbuf[1] = htobe32((ox_id << 16) | rx_id); 2678 elsbuf[2] = htobe32(0x000ffff); 2679 /* 2680 * Dork with the reply frame so that the reponse to it 2681 * will be correct. 2682 */ 2683 rp->Rctl_Did += ((BA_ACC - ABTS) << MPI_FC_RCTL_SHIFT); 2684 /* remove from active list as we're done */ 2685 TAILQ_REMOVE(&mpt->request_pending_list, req, links); 2686 req->state &= ~REQ_STATE_QUEUED; 2687 req->state |= REQ_STATE_DONE; 2688 mpt_fc_els_send_response(mpt, req, rp, 12); 2689 do_refresh = FALSE; 2690 } else { 2691 mpt_prt(mpt, "ELS: RCTL %x TYPE %x CMD %x\n", rctl, type, cmd); 2692 } 2693 if (do_refresh == TRUE) { 2694 /* remove from active list as we're done */ 2695 TAILQ_REMOVE(&mpt->request_pending_list, req, links); 2696 req->state &= ~REQ_STATE_QUEUED; 2697 req->state |= REQ_STATE_DONE; 2698 mpt_fc_post_els(mpt, req, ioindex); 2699 } 2700 return (TRUE); 2701 } 2702 2703 /* 2704 * Clean up all SCSI Initiator personality state in response 2705 * to a controller reset. 2706 */ 2707 static void 2708 mpt_cam_ioc_reset(struct mpt_softc *mpt, int type) 2709 { 2710 /* 2711 * The pending list is already run down by 2712 * the generic handler. Perform the same 2713 * operation on the timed out request list. 2714 */ 2715 mpt_complete_request_chain(mpt, &mpt->request_timeout_list, 2716 MPI_IOCSTATUS_INVALID_STATE); 2717 2718 /* 2719 * XXX: We need to repost ELS and Target Command Buffers? 2720 */ 2721 2722 /* 2723 * Inform the XPT that a bus reset has occurred. 2724 */ 2725 xpt_async(AC_BUS_RESET, mpt->path, NULL); 2726 } 2727 2728 /* 2729 * Parse additional completion information in the reply 2730 * frame for SCSI I/O requests. 2731 */ 2732 static int 2733 mpt_scsi_reply_frame_handler(struct mpt_softc *mpt, request_t *req, 2734 MSG_DEFAULT_REPLY *reply_frame) 2735 { 2736 union ccb *ccb; 2737 MSG_SCSI_IO_REPLY *scsi_io_reply; 2738 u_int ioc_status; 2739 u_int sstate; 2740 u_int loginfo; 2741 2742 MPT_DUMP_REPLY_FRAME(mpt, reply_frame); 2743 KASSERT(reply_frame->Function == MPI_FUNCTION_SCSI_IO_REQUEST 2744 || reply_frame->Function == MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH, 2745 ("MPT SCSI I/O Handler called with incorrect reply type")); 2746 KASSERT((reply_frame->MsgFlags & MPI_MSGFLAGS_CONTINUATION_REPLY) == 0, 2747 ("MPT SCSI I/O Handler called with continuation reply")); 2748 2749 scsi_io_reply = (MSG_SCSI_IO_REPLY *)reply_frame; 2750 ioc_status = le16toh(scsi_io_reply->IOCStatus); 2751 loginfo = ioc_status & MPI_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE; 2752 ioc_status &= MPI_IOCSTATUS_MASK; 2753 sstate = scsi_io_reply->SCSIState; 2754 2755 ccb = req->ccb; 2756 ccb->csio.resid = 2757 ccb->csio.dxfer_len - le32toh(scsi_io_reply->TransferCount); 2758 2759 if ((sstate & MPI_SCSI_STATE_AUTOSENSE_VALID) != 0 2760 && (ccb->ccb_h.flags & (CAM_SENSE_PHYS | CAM_SENSE_PTR)) == 0) { 2761 ccb->ccb_h.status |= CAM_AUTOSNS_VALID; 2762 ccb->csio.sense_resid = 2763 ccb->csio.sense_len - scsi_io_reply->SenseCount; 2764 bcopy(req->sense_vbuf, &ccb->csio.sense_data, 2765 min(ccb->csio.sense_len, scsi_io_reply->SenseCount)); 2766 } 2767 2768 if ((sstate & MPI_SCSI_STATE_QUEUE_TAG_REJECTED) != 0) { 2769 /* 2770 * Tag messages rejected, but non-tagged retry 2771 * was successful. 2772 XXXX 2773 mpt_set_tags(mpt, devinfo, MPT_QUEUE_NONE); 2774 */ 2775 } 2776 2777 switch(ioc_status) { 2778 case MPI_IOCSTATUS_SCSI_RESIDUAL_MISMATCH: 2779 /* 2780 * XXX 2781 * Linux driver indicates that a zero 2782 * transfer length with this error code 2783 * indicates a CRC error. 2784 * 2785 * No need to swap the bytes for checking 2786 * against zero. 2787 */ 2788 if (scsi_io_reply->TransferCount == 0) { 2789 mpt_set_ccb_status(ccb, CAM_UNCOR_PARITY); 2790 break; 2791 } 2792 /* FALLTHROUGH */ 2793 case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN: 2794 case MPI_IOCSTATUS_SUCCESS: 2795 case MPI_IOCSTATUS_SCSI_RECOVERED_ERROR: 2796 if ((sstate & MPI_SCSI_STATE_NO_SCSI_STATUS) != 0) { 2797 /* 2798 * Status was never returned for this transaction. 2799 */ 2800 mpt_set_ccb_status(ccb, CAM_UNEXP_BUSFREE); 2801 } else if (scsi_io_reply->SCSIStatus != SCSI_STATUS_OK) { 2802 ccb->csio.scsi_status = scsi_io_reply->SCSIStatus; 2803 mpt_set_ccb_status(ccb, CAM_SCSI_STATUS_ERROR); 2804 if ((sstate & MPI_SCSI_STATE_AUTOSENSE_FAILED) != 0) 2805 mpt_set_ccb_status(ccb, CAM_AUTOSENSE_FAIL); 2806 } else if ((sstate & MPI_SCSI_STATE_RESPONSE_INFO_VALID) != 0) { 2807 2808 /* XXX Handle SPI-Packet and FCP-2 reponse info. */ 2809 mpt_set_ccb_status(ccb, CAM_REQ_CMP_ERR); 2810 } else 2811 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 2812 break; 2813 case MPI_IOCSTATUS_SCSI_DATA_OVERRUN: 2814 mpt_set_ccb_status(ccb, CAM_DATA_RUN_ERR); 2815 break; 2816 case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR: 2817 mpt_set_ccb_status(ccb, CAM_UNCOR_PARITY); 2818 break; 2819 case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE: 2820 /* 2821 * Since selection timeouts and "device really not 2822 * there" are grouped into this error code, report 2823 * selection timeout. Selection timeouts are 2824 * typically retried before giving up on the device 2825 * whereas "device not there" errors are considered 2826 * unretryable. 2827 */ 2828 mpt_set_ccb_status(ccb, CAM_SEL_TIMEOUT); 2829 break; 2830 case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR: 2831 mpt_set_ccb_status(ccb, CAM_SEQUENCE_FAIL); 2832 break; 2833 case MPI_IOCSTATUS_SCSI_INVALID_BUS: 2834 mpt_set_ccb_status(ccb, CAM_PATH_INVALID); 2835 break; 2836 case MPI_IOCSTATUS_SCSI_INVALID_TARGETID: 2837 mpt_set_ccb_status(ccb, CAM_TID_INVALID); 2838 break; 2839 case MPI_IOCSTATUS_SCSI_TASK_MGMT_FAILED: 2840 ccb->ccb_h.status = CAM_UA_TERMIO; 2841 break; 2842 case MPI_IOCSTATUS_INVALID_STATE: 2843 /* 2844 * The IOC has been reset. Emulate a bus reset. 2845 */ 2846 /* FALLTHROUGH */ 2847 case MPI_IOCSTATUS_SCSI_EXT_TERMINATED: 2848 ccb->ccb_h.status = CAM_SCSI_BUS_RESET; 2849 break; 2850 case MPI_IOCSTATUS_SCSI_TASK_TERMINATED: 2851 case MPI_IOCSTATUS_SCSI_IOC_TERMINATED: 2852 /* 2853 * Don't clobber any timeout status that has 2854 * already been set for this transaction. We 2855 * want the SCSI layer to be able to differentiate 2856 * between the command we aborted due to timeout 2857 * and any innocent bystanders. 2858 */ 2859 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_INPROG) 2860 break; 2861 mpt_set_ccb_status(ccb, CAM_REQ_TERMIO); 2862 break; 2863 2864 case MPI_IOCSTATUS_INSUFFICIENT_RESOURCES: 2865 mpt_set_ccb_status(ccb, CAM_RESRC_UNAVAIL); 2866 break; 2867 case MPI_IOCSTATUS_BUSY: 2868 mpt_set_ccb_status(ccb, CAM_BUSY); 2869 break; 2870 case MPI_IOCSTATUS_INVALID_FUNCTION: 2871 case MPI_IOCSTATUS_INVALID_SGL: 2872 case MPI_IOCSTATUS_INTERNAL_ERROR: 2873 case MPI_IOCSTATUS_INVALID_FIELD: 2874 default: 2875 /* XXX 2876 * Some of the above may need to kick 2877 * of a recovery action!!!! 2878 */ 2879 ccb->ccb_h.status = CAM_UNREC_HBA_ERROR; 2880 break; 2881 } 2882 2883 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 2884 mpt_freeze_ccb(ccb); 2885 } 2886 2887 return (TRUE); 2888 } 2889 2890 static void 2891 mpt_action(struct cam_sim *sim, union ccb *ccb) 2892 { 2893 struct mpt_softc *mpt; 2894 struct ccb_trans_settings *cts; 2895 target_id_t tgt; 2896 lun_id_t lun; 2897 int raid_passthru; 2898 2899 CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE, ("mpt_action\n")); 2900 2901 mpt = (struct mpt_softc *)cam_sim_softc(sim); 2902 KASSERT(MPT_OWNED(mpt) == 0, ("mpt owned on entrance to mpt_action")); 2903 raid_passthru = (sim == mpt->phydisk_sim); 2904 2905 tgt = ccb->ccb_h.target_id; 2906 lun = ccb->ccb_h.target_lun; 2907 if (raid_passthru && 2908 ccb->ccb_h.func_code != XPT_PATH_INQ && 2909 ccb->ccb_h.func_code != XPT_RESET_BUS && 2910 ccb->ccb_h.func_code != XPT_RESET_DEV) { 2911 CAMLOCK_2_MPTLOCK(mpt); 2912 if (mpt_map_physdisk(mpt, ccb, &tgt) != 0) { 2913 MPTLOCK_2_CAMLOCK(mpt); 2914 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 2915 mpt_set_ccb_status(ccb, CAM_DEV_NOT_THERE); 2916 xpt_done(ccb); 2917 return; 2918 } 2919 MPTLOCK_2_CAMLOCK(mpt); 2920 } 2921 ccb->ccb_h.ccb_mpt_ptr = mpt; 2922 2923 switch (ccb->ccb_h.func_code) { 2924 case XPT_SCSI_IO: /* Execute the requested I/O operation */ 2925 /* 2926 * Do a couple of preliminary checks... 2927 */ 2928 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0) { 2929 if ((ccb->ccb_h.flags & CAM_CDB_PHYS) != 0) { 2930 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 2931 mpt_set_ccb_status(ccb, CAM_REQ_INVALID); 2932 break; 2933 } 2934 } 2935 /* Max supported CDB length is 16 bytes */ 2936 /* XXX Unless we implement the new 32byte message type */ 2937 if (ccb->csio.cdb_len > 2938 sizeof (((PTR_MSG_SCSI_IO_REQUEST)0)->CDB)) { 2939 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 2940 mpt_set_ccb_status(ccb, CAM_REQ_INVALID); 2941 break; 2942 } 2943 #ifdef MPT_TEST_MULTIPATH 2944 if (mpt->failure_id == ccb->ccb_h.target_id) { 2945 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 2946 mpt_set_ccb_status(ccb, CAM_SEL_TIMEOUT); 2947 break; 2948 } 2949 #endif 2950 ccb->csio.scsi_status = SCSI_STATUS_OK; 2951 mpt_start(sim, ccb); 2952 return; 2953 2954 case XPT_RESET_BUS: 2955 if (raid_passthru) { 2956 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 2957 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 2958 break; 2959 } 2960 case XPT_RESET_DEV: 2961 xpt_print(ccb->ccb_h.path, "reset %s\n", 2962 ccb->ccb_h.func_code == XPT_RESET_BUS? "bus" : "device"); 2963 CAMLOCK_2_MPTLOCK(mpt); 2964 (void) mpt_bus_reset(mpt, tgt, lun, FALSE); 2965 MPTLOCK_2_CAMLOCK(mpt); 2966 2967 /* 2968 * mpt_bus_reset is always successful in that it 2969 * will fall back to a hard reset should a bus 2970 * reset attempt fail. 2971 */ 2972 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 2973 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 2974 break; 2975 2976 case XPT_ABORT: 2977 { 2978 union ccb *accb = ccb->cab.abort_ccb; 2979 CAMLOCK_2_MPTLOCK(mpt); 2980 switch (accb->ccb_h.func_code) { 2981 case XPT_ACCEPT_TARGET_IO: 2982 case XPT_IMMED_NOTIFY: 2983 ccb->ccb_h.status = mpt_abort_target_ccb(mpt, ccb); 2984 break; 2985 case XPT_CONT_TARGET_IO: 2986 mpt_prt(mpt, "cannot abort active CTIOs yet\n"); 2987 ccb->ccb_h.status = CAM_UA_ABORT; 2988 break; 2989 case XPT_SCSI_IO: 2990 ccb->ccb_h.status = CAM_UA_ABORT; 2991 break; 2992 default: 2993 ccb->ccb_h.status = CAM_REQ_INVALID; 2994 break; 2995 } 2996 MPTLOCK_2_CAMLOCK(mpt); 2997 break; 2998 } 2999 3000 #ifdef CAM_NEW_TRAN_CODE 3001 #define IS_CURRENT_SETTINGS(c) ((c)->type == CTS_TYPE_CURRENT_SETTINGS) 3002 #else 3003 #define IS_CURRENT_SETTINGS(c) ((c)->flags & CCB_TRANS_CURRENT_SETTINGS) 3004 #endif 3005 #define DP_DISC_ENABLE 0x1 3006 #define DP_DISC_DISABL 0x2 3007 #define DP_DISC (DP_DISC_ENABLE|DP_DISC_DISABL) 3008 3009 #define DP_TQING_ENABLE 0x4 3010 #define DP_TQING_DISABL 0x8 3011 #define DP_TQING (DP_TQING_ENABLE|DP_TQING_DISABL) 3012 3013 #define DP_WIDE 0x10 3014 #define DP_NARROW 0x20 3015 #define DP_WIDTH (DP_WIDE|DP_NARROW) 3016 3017 #define DP_SYNC 0x40 3018 3019 case XPT_SET_TRAN_SETTINGS: /* Nexus Settings */ 3020 { 3021 #ifdef CAM_NEW_TRAN_CODE 3022 struct ccb_trans_settings_scsi *scsi; 3023 struct ccb_trans_settings_spi *spi; 3024 #endif 3025 uint8_t dval; 3026 u_int period; 3027 u_int offset; 3028 int i, j; 3029 3030 cts = &ccb->cts; 3031 3032 if (mpt->is_fc || mpt->is_sas) { 3033 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 3034 break; 3035 } 3036 3037 #ifdef CAM_NEW_TRAN_CODE 3038 scsi = &cts->proto_specific.scsi; 3039 spi = &cts->xport_specific.spi; 3040 3041 /* 3042 * We can be called just to valid transport and proto versions 3043 */ 3044 if (scsi->valid == 0 && spi->valid == 0) { 3045 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 3046 break; 3047 } 3048 #endif 3049 3050 /* 3051 * Skip attempting settings on RAID volume disks. 3052 * Other devices on the bus get the normal treatment. 3053 */ 3054 if (mpt->phydisk_sim && raid_passthru == 0 && 3055 mpt_is_raid_volume(mpt, tgt) != 0) { 3056 mpt_lprt(mpt, MPT_PRT_NEGOTIATION, 3057 "no transfer settings for RAID vols\n"); 3058 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 3059 break; 3060 } 3061 3062 i = mpt->mpt_port_page2.PortSettings & 3063 MPI_SCSIPORTPAGE2_PORT_MASK_NEGO_MASTER_SETTINGS; 3064 j = mpt->mpt_port_page2.PortFlags & 3065 MPI_SCSIPORTPAGE2_PORT_FLAGS_DV_MASK; 3066 if (i == MPI_SCSIPORTPAGE2_PORT_ALL_MASTER_SETTINGS && 3067 j == MPI_SCSIPORTPAGE2_PORT_FLAGS_OFF_DV) { 3068 mpt_lprt(mpt, MPT_PRT_ALWAYS, 3069 "honoring BIOS transfer negotiations\n"); 3070 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 3071 break; 3072 } 3073 3074 dval = 0; 3075 period = 0; 3076 offset = 0; 3077 3078 #ifndef CAM_NEW_TRAN_CODE 3079 if ((cts->valid & CCB_TRANS_DISC_VALID) != 0) { 3080 dval |= (cts->flags & CCB_TRANS_DISC_ENB) ? 3081 DP_DISC_ENABLE : DP_DISC_DISABL; 3082 } 3083 3084 if ((cts->valid & CCB_TRANS_TQ_VALID) != 0) { 3085 dval |= (cts->flags & CCB_TRANS_TAG_ENB) ? 3086 DP_TQING_ENABLE : DP_TQING_DISABL; 3087 } 3088 3089 if ((cts->valid & CCB_TRANS_BUS_WIDTH_VALID) != 0) { 3090 dval |= cts->bus_width ? DP_WIDE : DP_NARROW; 3091 } 3092 3093 if ((cts->valid & CCB_TRANS_SYNC_RATE_VALID) && 3094 (cts->valid & CCB_TRANS_SYNC_OFFSET_VALID)) { 3095 dval |= DP_SYNC; 3096 period = cts->sync_period; 3097 offset = cts->sync_offset; 3098 } 3099 #else 3100 if ((spi->valid & CTS_SPI_VALID_DISC) != 0) { 3101 dval |= ((spi->flags & CTS_SPI_FLAGS_DISC_ENB) != 0) ? 3102 DP_DISC_ENABLE : DP_DISC_DISABL; 3103 } 3104 3105 if ((scsi->valid & CTS_SCSI_VALID_TQ) != 0) { 3106 dval |= ((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0) ? 3107 DP_TQING_ENABLE : DP_TQING_DISABL; 3108 } 3109 3110 if ((spi->valid & CTS_SPI_VALID_BUS_WIDTH) != 0) { 3111 dval |= (spi->bus_width == MSG_EXT_WDTR_BUS_16_BIT) ? 3112 DP_WIDE : DP_NARROW; 3113 } 3114 3115 if (spi->valid & CTS_SPI_VALID_SYNC_OFFSET) { 3116 dval |= DP_SYNC; 3117 offset = spi->sync_offset; 3118 } else { 3119 PTR_CONFIG_PAGE_SCSI_DEVICE_1 ptr = 3120 &mpt->mpt_dev_page1[tgt]; 3121 offset = ptr->RequestedParameters; 3122 offset &= MPI_SCSIDEVPAGE1_RP_MAX_SYNC_OFFSET_MASK; 3123 offset >>= MPI_SCSIDEVPAGE1_RP_SHIFT_MAX_SYNC_OFFSET; 3124 } 3125 if (spi->valid & CTS_SPI_VALID_SYNC_RATE) { 3126 dval |= DP_SYNC; 3127 period = spi->sync_period; 3128 } else { 3129 PTR_CONFIG_PAGE_SCSI_DEVICE_1 ptr = 3130 &mpt->mpt_dev_page1[tgt]; 3131 period = ptr->RequestedParameters; 3132 period &= MPI_SCSIDEVPAGE1_RP_MIN_SYNC_PERIOD_MASK; 3133 period >>= MPI_SCSIDEVPAGE1_RP_SHIFT_MIN_SYNC_PERIOD; 3134 } 3135 #endif 3136 CAMLOCK_2_MPTLOCK(mpt); 3137 if (dval & DP_DISC_ENABLE) { 3138 mpt->mpt_disc_enable |= (1 << tgt); 3139 } else if (dval & DP_DISC_DISABL) { 3140 mpt->mpt_disc_enable &= ~(1 << tgt); 3141 } 3142 if (dval & DP_TQING_ENABLE) { 3143 mpt->mpt_tag_enable |= (1 << tgt); 3144 } else if (dval & DP_TQING_DISABL) { 3145 mpt->mpt_tag_enable &= ~(1 << tgt); 3146 } 3147 if (dval & DP_WIDTH) { 3148 mpt_setwidth(mpt, tgt, 1); 3149 } 3150 if (dval & DP_SYNC) { 3151 mpt_setsync(mpt, tgt, period, offset); 3152 } 3153 if (dval == 0) { 3154 MPTLOCK_2_CAMLOCK(mpt); 3155 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 3156 break; 3157 } 3158 mpt_lprt(mpt, MPT_PRT_NEGOTIATION, 3159 "set [%d]: 0x%x period 0x%x offset %d\n", 3160 tgt, dval, period, offset); 3161 if (mpt_update_spi_config(mpt, tgt)) { 3162 mpt_set_ccb_status(ccb, CAM_REQ_CMP_ERR); 3163 } else { 3164 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 3165 } 3166 MPTLOCK_2_CAMLOCK(mpt); 3167 break; 3168 } 3169 case XPT_GET_TRAN_SETTINGS: 3170 { 3171 #ifdef CAM_NEW_TRAN_CODE 3172 struct ccb_trans_settings_scsi *scsi; 3173 cts = &ccb->cts; 3174 cts->protocol = PROTO_SCSI; 3175 if (mpt->is_fc) { 3176 struct ccb_trans_settings_fc *fc = 3177 &cts->xport_specific.fc; 3178 cts->protocol_version = SCSI_REV_SPC; 3179 cts->transport = XPORT_FC; 3180 cts->transport_version = 0; 3181 fc->valid = CTS_FC_VALID_SPEED; 3182 fc->bitrate = 100000; 3183 } else if (mpt->is_sas) { 3184 struct ccb_trans_settings_sas *sas = 3185 &cts->xport_specific.sas; 3186 cts->protocol_version = SCSI_REV_SPC2; 3187 cts->transport = XPORT_SAS; 3188 cts->transport_version = 0; 3189 sas->valid = CTS_SAS_VALID_SPEED; 3190 sas->bitrate = 300000; 3191 } else { 3192 cts->protocol_version = SCSI_REV_2; 3193 cts->transport = XPORT_SPI; 3194 cts->transport_version = 2; 3195 if (mpt_get_spi_settings(mpt, cts) != 0) { 3196 mpt_set_ccb_status(ccb, CAM_REQ_CMP_ERR); 3197 break; 3198 } 3199 } 3200 scsi = &cts->proto_specific.scsi; 3201 scsi->valid = CTS_SCSI_VALID_TQ; 3202 scsi->flags = CTS_SCSI_FLAGS_TAG_ENB; 3203 #else 3204 cts = &ccb->cts; 3205 if (mpt->is_fc) { 3206 cts->flags = CCB_TRANS_TAG_ENB | CCB_TRANS_DISC_ENB; 3207 cts->valid = CCB_TRANS_DISC_VALID | CCB_TRANS_TQ_VALID; 3208 cts->bus_width = MSG_EXT_WDTR_BUS_8_BIT; 3209 } else if (mpt->is_sas) { 3210 cts->flags = CCB_TRANS_TAG_ENB | CCB_TRANS_DISC_ENB; 3211 cts->valid = CCB_TRANS_DISC_VALID | CCB_TRANS_TQ_VALID; 3212 cts->bus_width = MSG_EXT_WDTR_BUS_8_BIT; 3213 } else if (mpt_get_spi_settings(mpt, cts) != 0) { 3214 mpt_set_ccb_status(ccb, CAM_REQ_CMP_ERR); 3215 break; 3216 } 3217 #endif 3218 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 3219 break; 3220 } 3221 case XPT_CALC_GEOMETRY: 3222 { 3223 struct ccb_calc_geometry *ccg; 3224 3225 ccg = &ccb->ccg; 3226 if (ccg->block_size == 0) { 3227 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 3228 mpt_set_ccb_status(ccb, CAM_REQ_INVALID); 3229 break; 3230 } 3231 mpt_calc_geometry(ccg, /*extended*/1); 3232 KASSERT(ccb->ccb_h.status, ("zero ccb sts at %d\n", __LINE__)); 3233 break; 3234 } 3235 case XPT_PATH_INQ: /* Path routing inquiry */ 3236 { 3237 struct ccb_pathinq *cpi = &ccb->cpi; 3238 3239 cpi->version_num = 1; 3240 cpi->target_sprt = 0; 3241 cpi->hba_eng_cnt = 0; 3242 cpi->max_target = mpt->port_facts[0].MaxDevices - 1; 3243 /* 3244 * FC cards report MAX_DEVICES of 512, but 3245 * the MSG_SCSI_IO_REQUEST target id field 3246 * is only 8 bits. Until we fix the driver 3247 * to support 'channels' for bus overflow, 3248 * just limit it. 3249 */ 3250 if (cpi->max_target > 255) { 3251 cpi->max_target = 255; 3252 } 3253 3254 /* 3255 * VMware ESX reports > 16 devices and then dies when we probe. 3256 */ 3257 if (mpt->is_spi && cpi->max_target > 15) { 3258 cpi->max_target = 15; 3259 } 3260 cpi->max_lun = 7; 3261 cpi->initiator_id = mpt->mpt_ini_id; 3262 cpi->bus_id = cam_sim_bus(sim); 3263 3264 /* 3265 * The base speed is the speed of the underlying connection. 3266 */ 3267 #ifdef CAM_NEW_TRAN_CODE 3268 cpi->protocol = PROTO_SCSI; 3269 if (mpt->is_fc) { 3270 cpi->hba_misc = PIM_NOBUSRESET; 3271 cpi->base_transfer_speed = 100000; 3272 cpi->hba_inquiry = PI_TAG_ABLE; 3273 cpi->transport = XPORT_FC; 3274 cpi->transport_version = 0; 3275 cpi->protocol_version = SCSI_REV_SPC; 3276 } else if (mpt->is_sas) { 3277 cpi->hba_misc = PIM_NOBUSRESET; 3278 cpi->base_transfer_speed = 300000; 3279 cpi->hba_inquiry = PI_TAG_ABLE; 3280 cpi->transport = XPORT_SAS; 3281 cpi->transport_version = 0; 3282 cpi->protocol_version = SCSI_REV_SPC2; 3283 } else { 3284 cpi->hba_misc = PIM_SEQSCAN; 3285 cpi->base_transfer_speed = 3300; 3286 cpi->hba_inquiry = PI_SDTR_ABLE|PI_TAG_ABLE|PI_WIDE_16; 3287 cpi->transport = XPORT_SPI; 3288 cpi->transport_version = 2; 3289 cpi->protocol_version = SCSI_REV_2; 3290 } 3291 #else 3292 if (mpt->is_fc) { 3293 cpi->hba_misc = PIM_NOBUSRESET; 3294 cpi->base_transfer_speed = 100000; 3295 cpi->hba_inquiry = PI_TAG_ABLE; 3296 } else if (mpt->is_sas) { 3297 cpi->hba_misc = PIM_NOBUSRESET; 3298 cpi->base_transfer_speed = 300000; 3299 cpi->hba_inquiry = PI_TAG_ABLE; 3300 } else { 3301 cpi->hba_misc = PIM_SEQSCAN; 3302 cpi->base_transfer_speed = 3300; 3303 cpi->hba_inquiry = PI_SDTR_ABLE|PI_TAG_ABLE|PI_WIDE_16; 3304 } 3305 #endif 3306 3307 /* 3308 * We give our fake RAID passhtru bus a width that is MaxVolumes 3309 * wide and restrict it to one lun. 3310 */ 3311 if (raid_passthru) { 3312 cpi->max_target = mpt->ioc_page2->MaxPhysDisks - 1; 3313 cpi->initiator_id = cpi->max_target + 1; 3314 cpi->max_lun = 0; 3315 } 3316 3317 if ((mpt->role & MPT_ROLE_INITIATOR) == 0) { 3318 cpi->hba_misc |= PIM_NOINITIATOR; 3319 } 3320 if (mpt->is_fc && (mpt->role & MPT_ROLE_TARGET)) { 3321 cpi->target_sprt = 3322 PIT_PROCESSOR | PIT_DISCONNECT | PIT_TERM_IO; 3323 } else { 3324 cpi->target_sprt = 0; 3325 } 3326 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); 3327 strncpy(cpi->hba_vid, "LSI", HBA_IDLEN); 3328 strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN); 3329 cpi->unit_number = cam_sim_unit(sim); 3330 cpi->ccb_h.status = CAM_REQ_CMP; 3331 break; 3332 } 3333 case XPT_EN_LUN: /* Enable LUN as a target */ 3334 { 3335 int result; 3336 3337 CAMLOCK_2_MPTLOCK(mpt); 3338 if (ccb->cel.enable) 3339 result = mpt_enable_lun(mpt, 3340 ccb->ccb_h.target_id, ccb->ccb_h.target_lun); 3341 else 3342 result = mpt_disable_lun(mpt, 3343 ccb->ccb_h.target_id, ccb->ccb_h.target_lun); 3344 MPTLOCK_2_CAMLOCK(mpt); 3345 if (result == 0) { 3346 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 3347 } else { 3348 mpt_set_ccb_status(ccb, CAM_REQ_CMP_ERR); 3349 } 3350 break; 3351 } 3352 case XPT_NOTIFY_ACK: /* recycle notify ack */ 3353 case XPT_IMMED_NOTIFY: /* Add Immediate Notify Resource */ 3354 case XPT_ACCEPT_TARGET_IO: /* Add Accept Target IO Resource */ 3355 { 3356 tgt_resource_t *trtp; 3357 lun_id_t lun = ccb->ccb_h.target_lun; 3358 ccb->ccb_h.sim_priv.entries[0].field = 0; 3359 ccb->ccb_h.sim_priv.entries[1].ptr = mpt; 3360 ccb->ccb_h.flags = 0; 3361 3362 if (lun == CAM_LUN_WILDCARD) { 3363 if (ccb->ccb_h.target_id != CAM_TARGET_WILDCARD) { 3364 mpt_set_ccb_status(ccb, CAM_REQ_INVALID); 3365 break; 3366 } 3367 trtp = &mpt->trt_wildcard; 3368 } else if (lun >= MPT_MAX_LUNS) { 3369 mpt_set_ccb_status(ccb, CAM_REQ_INVALID); 3370 break; 3371 } else { 3372 trtp = &mpt->trt[lun]; 3373 } 3374 CAMLOCK_2_MPTLOCK(mpt); 3375 if (ccb->ccb_h.func_code == XPT_ACCEPT_TARGET_IO) { 3376 mpt_lprt(mpt, MPT_PRT_DEBUG1, 3377 "Put FREE ATIO %p lun %d\n", ccb, lun); 3378 STAILQ_INSERT_TAIL(&trtp->atios, &ccb->ccb_h, 3379 sim_links.stqe); 3380 } else if (ccb->ccb_h.func_code == XPT_IMMED_NOTIFY) { 3381 mpt_lprt(mpt, MPT_PRT_DEBUG1, 3382 "Put FREE INOT lun %d\n", lun); 3383 STAILQ_INSERT_TAIL(&trtp->inots, &ccb->ccb_h, 3384 sim_links.stqe); 3385 } else { 3386 mpt_lprt(mpt, MPT_PRT_ALWAYS, "Got Notify ACK\n"); 3387 } 3388 mpt_set_ccb_status(ccb, CAM_REQ_INPROG); 3389 MPTLOCK_2_CAMLOCK(mpt); 3390 return; 3391 } 3392 case XPT_CONT_TARGET_IO: 3393 CAMLOCK_2_MPTLOCK(mpt); 3394 mpt_target_start_io(mpt, ccb); 3395 MPTLOCK_2_CAMLOCK(mpt); 3396 return; 3397 3398 default: 3399 ccb->ccb_h.status = CAM_REQ_INVALID; 3400 break; 3401 } 3402 xpt_done(ccb); 3403 } 3404 3405 static int 3406 mpt_get_spi_settings(struct mpt_softc *mpt, struct ccb_trans_settings *cts) 3407 { 3408 #ifdef CAM_NEW_TRAN_CODE 3409 struct ccb_trans_settings_scsi *scsi = &cts->proto_specific.scsi; 3410 struct ccb_trans_settings_spi *spi = &cts->xport_specific.spi; 3411 #endif 3412 target_id_t tgt; 3413 uint32_t dval, pval, oval; 3414 int rv; 3415 3416 if (IS_CURRENT_SETTINGS(cts) == 0) { 3417 tgt = cts->ccb_h.target_id; 3418 } else if (xpt_path_sim(cts->ccb_h.path) == mpt->phydisk_sim) { 3419 if (mpt_map_physdisk(mpt, (union ccb *)cts, &tgt)) { 3420 return (-1); 3421 } 3422 } else { 3423 tgt = cts->ccb_h.target_id; 3424 } 3425 3426 /* 3427 * We aren't looking at Port Page 2 BIOS settings here- 3428 * sometimes these have been known to be bogus XXX. 3429 * 3430 * For user settings, we pick the max from port page 0 3431 * 3432 * For current settings we read the current settings out from 3433 * device page 0 for that target. 3434 */ 3435 if (IS_CURRENT_SETTINGS(cts)) { 3436 CONFIG_PAGE_SCSI_DEVICE_0 tmp; 3437 dval = 0; 3438 3439 CAMLOCK_2_MPTLOCK(mpt); 3440 tmp = mpt->mpt_dev_page0[tgt]; 3441 rv = mpt_read_cur_cfg_page(mpt, tgt, &tmp.Header, 3442 sizeof(tmp), FALSE, 5000); 3443 if (rv) { 3444 MPTLOCK_2_CAMLOCK(mpt); 3445 mpt_prt(mpt, "can't get tgt %d config page 0\n", tgt); 3446 return (rv); 3447 } 3448 MPTLOCK_2_CAMLOCK(mpt); 3449 mpt_lprt(mpt, MPT_PRT_DEBUG, 3450 "mpt_get_spi_settings[%d]: current NP %x Info %x\n", tgt, 3451 tmp.NegotiatedParameters, tmp.Information); 3452 dval |= (tmp.NegotiatedParameters & MPI_SCSIDEVPAGE0_NP_WIDE) ? 3453 DP_WIDE : DP_NARROW; 3454 dval |= (mpt->mpt_disc_enable & (1 << tgt)) ? 3455 DP_DISC_ENABLE : DP_DISC_DISABL; 3456 dval |= (mpt->mpt_tag_enable & (1 << tgt)) ? 3457 DP_TQING_ENABLE : DP_TQING_DISABL; 3458 oval = tmp.NegotiatedParameters; 3459 oval &= MPI_SCSIDEVPAGE0_NP_NEG_SYNC_OFFSET_MASK; 3460 oval >>= MPI_SCSIDEVPAGE0_NP_SHIFT_SYNC_OFFSET; 3461 pval = tmp.NegotiatedParameters; 3462 pval &= MPI_SCSIDEVPAGE0_NP_NEG_SYNC_PERIOD_MASK; 3463 pval >>= MPI_SCSIDEVPAGE0_NP_SHIFT_SYNC_PERIOD; 3464 mpt->mpt_dev_page0[tgt] = tmp; 3465 } else { 3466 dval = DP_WIDE|DP_DISC_ENABLE|DP_TQING_ENABLE|DP_SYNC; 3467 oval = mpt->mpt_port_page0.Capabilities; 3468 oval = MPI_SCSIPORTPAGE0_CAP_GET_MAX_SYNC_OFFSET(oval); 3469 pval = mpt->mpt_port_page0.Capabilities; 3470 pval = MPI_SCSIPORTPAGE0_CAP_GET_MIN_SYNC_PERIOD(pval); 3471 } 3472 3473 #ifndef CAM_NEW_TRAN_CODE 3474 cts->flags &= ~(CCB_TRANS_DISC_ENB|CCB_TRANS_TAG_ENB); 3475 cts->valid = 0; 3476 cts->sync_period = pval; 3477 cts->sync_offset = oval; 3478 cts->valid |= CCB_TRANS_SYNC_RATE_VALID; 3479 cts->valid |= CCB_TRANS_SYNC_OFFSET_VALID; 3480 cts->valid |= CCB_TRANS_BUS_WIDTH_VALID; 3481 if (dval & DP_WIDE) { 3482 cts->bus_width = MSG_EXT_WDTR_BUS_16_BIT; 3483 } else { 3484 cts->bus_width = MSG_EXT_WDTR_BUS_8_BIT; 3485 } 3486 if (cts->ccb_h.target_lun != CAM_LUN_WILDCARD) { 3487 cts->valid |= CCB_TRANS_DISC_VALID | CCB_TRANS_TQ_VALID; 3488 if (dval & DP_DISC_ENABLE) { 3489 cts->flags |= CCB_TRANS_DISC_ENB; 3490 } 3491 if (dval & DP_TQING_ENABLE) { 3492 cts->flags |= CCB_TRANS_TAG_ENB; 3493 } 3494 } 3495 #else 3496 spi->valid = 0; 3497 scsi->valid = 0; 3498 spi->flags = 0; 3499 scsi->flags = 0; 3500 spi->sync_offset = oval; 3501 spi->sync_period = pval; 3502 spi->valid |= CTS_SPI_VALID_SYNC_OFFSET; 3503 spi->valid |= CTS_SPI_VALID_SYNC_RATE; 3504 spi->valid |= CTS_SPI_VALID_BUS_WIDTH; 3505 if (dval & DP_WIDE) { 3506 spi->bus_width = MSG_EXT_WDTR_BUS_16_BIT; 3507 } else { 3508 spi->bus_width = MSG_EXT_WDTR_BUS_8_BIT; 3509 } 3510 if (cts->ccb_h.target_lun != CAM_LUN_WILDCARD) { 3511 scsi->valid = CTS_SCSI_VALID_TQ; 3512 if (dval & DP_TQING_ENABLE) { 3513 scsi->flags |= CTS_SCSI_FLAGS_TAG_ENB; 3514 } 3515 spi->valid |= CTS_SPI_VALID_DISC; 3516 if (dval & DP_DISC_ENABLE) { 3517 spi->flags |= CTS_SPI_FLAGS_DISC_ENB; 3518 } 3519 } 3520 #endif 3521 mpt_lprt(mpt, MPT_PRT_NEGOTIATION, 3522 "mpt_get_spi_settings[%d]: %s flags 0x%x per 0x%x off=%d\n", tgt, 3523 IS_CURRENT_SETTINGS(cts)? "ACTIVE" : "NVRAM ", dval, pval, oval); 3524 return (0); 3525 } 3526 3527 static void 3528 mpt_setwidth(struct mpt_softc *mpt, int tgt, int onoff) 3529 { 3530 PTR_CONFIG_PAGE_SCSI_DEVICE_1 ptr; 3531 3532 ptr = &mpt->mpt_dev_page1[tgt]; 3533 if (onoff) { 3534 ptr->RequestedParameters |= MPI_SCSIDEVPAGE1_RP_WIDE; 3535 } else { 3536 ptr->RequestedParameters &= ~MPI_SCSIDEVPAGE1_RP_WIDE; 3537 } 3538 } 3539 3540 static void 3541 mpt_setsync(struct mpt_softc *mpt, int tgt, int period, int offset) 3542 { 3543 PTR_CONFIG_PAGE_SCSI_DEVICE_1 ptr; 3544 3545 ptr = &mpt->mpt_dev_page1[tgt]; 3546 ptr->RequestedParameters &= ~MPI_SCSIDEVPAGE1_RP_MIN_SYNC_PERIOD_MASK; 3547 ptr->RequestedParameters &= ~MPI_SCSIDEVPAGE1_RP_MAX_SYNC_OFFSET_MASK; 3548 ptr->RequestedParameters &= ~MPI_SCSIDEVPAGE1_RP_DT; 3549 ptr->RequestedParameters &= ~MPI_SCSIDEVPAGE1_RP_QAS; 3550 ptr->RequestedParameters &= ~MPI_SCSIDEVPAGE1_RP_IU; 3551 if (period == 0) { 3552 return; 3553 } 3554 ptr->RequestedParameters |= 3555 period << MPI_SCSIDEVPAGE1_RP_SHIFT_MIN_SYNC_PERIOD; 3556 ptr->RequestedParameters |= 3557 offset << MPI_SCSIDEVPAGE1_RP_SHIFT_MAX_SYNC_OFFSET; 3558 if (period < 0xa) { 3559 ptr->RequestedParameters |= MPI_SCSIDEVPAGE1_RP_DT; 3560 } 3561 if (period < 0x9) { 3562 ptr->RequestedParameters |= MPI_SCSIDEVPAGE1_RP_QAS; 3563 ptr->RequestedParameters |= MPI_SCSIDEVPAGE1_RP_IU; 3564 } 3565 } 3566 3567 static int 3568 mpt_update_spi_config(struct mpt_softc *mpt, int tgt) 3569 { 3570 CONFIG_PAGE_SCSI_DEVICE_1 tmp; 3571 int rv; 3572 3573 mpt_lprt(mpt, MPT_PRT_NEGOTIATION, 3574 "mpt_update_spi_config[%d].page1: Requested Params 0x%08x\n", 3575 tgt, mpt->mpt_dev_page1[tgt].RequestedParameters); 3576 tmp = mpt->mpt_dev_page1[tgt]; 3577 rv = mpt_write_cur_cfg_page(mpt, tgt, 3578 &tmp.Header, sizeof(tmp), FALSE, 5000); 3579 if (rv) { 3580 mpt_prt(mpt, "mpt_update_spi_config: write cur page failed\n"); 3581 return (-1); 3582 } 3583 return (0); 3584 } 3585 3586 static void 3587 mpt_calc_geometry(struct ccb_calc_geometry *ccg, int extended) 3588 { 3589 #if __FreeBSD_version >= 500000 3590 cam_calc_geometry(ccg, extended); 3591 #else 3592 uint32_t size_mb; 3593 uint32_t secs_per_cylinder; 3594 3595 if (ccg->block_size == 0) { 3596 ccg->ccb_h.status = CAM_REQ_INVALID; 3597 return; 3598 } 3599 size_mb = ccg->volume_size / ((1024L * 1024L) / ccg->block_size); 3600 if (size_mb > 1024 && extended) { 3601 ccg->heads = 255; 3602 ccg->secs_per_track = 63; 3603 } else { 3604 ccg->heads = 64; 3605 ccg->secs_per_track = 32; 3606 } 3607 secs_per_cylinder = ccg->heads * ccg->secs_per_track; 3608 ccg->cylinders = ccg->volume_size / secs_per_cylinder; 3609 ccg->ccb_h.status = CAM_REQ_CMP; 3610 #endif 3611 } 3612 3613 /****************************** Timeout Recovery ******************************/ 3614 static int 3615 mpt_spawn_recovery_thread(struct mpt_softc *mpt) 3616 { 3617 int error; 3618 3619 error = mpt_kthread_create(mpt_recovery_thread, mpt, 3620 &mpt->recovery_thread, /*flags*/0, 3621 /*altstack*/0, "mpt_recovery%d", mpt->unit); 3622 return (error); 3623 } 3624 3625 static void 3626 mpt_terminate_recovery_thread(struct mpt_softc *mpt) 3627 { 3628 if (mpt->recovery_thread == NULL) { 3629 return; 3630 } 3631 mpt->shutdwn_recovery = 1; 3632 wakeup(mpt); 3633 /* 3634 * Sleep on a slightly different location 3635 * for this interlock just for added safety. 3636 */ 3637 mpt_sleep(mpt, &mpt->recovery_thread, PUSER, "thtrm", 0); 3638 } 3639 3640 static void 3641 mpt_recovery_thread(void *arg) 3642 { 3643 struct mpt_softc *mpt; 3644 3645 #if __FreeBSD_version >= 500000 3646 mtx_lock(&Giant); 3647 #endif 3648 mpt = (struct mpt_softc *)arg; 3649 MPT_LOCK(mpt); 3650 for (;;) { 3651 if (TAILQ_EMPTY(&mpt->request_timeout_list) != 0) { 3652 if (mpt->shutdwn_recovery == 0) { 3653 mpt_sleep(mpt, mpt, PUSER, "idle", 0); 3654 } 3655 } 3656 if (mpt->shutdwn_recovery != 0) { 3657 break; 3658 } 3659 mpt_recover_commands(mpt); 3660 } 3661 mpt->recovery_thread = NULL; 3662 wakeup(&mpt->recovery_thread); 3663 MPT_UNLOCK(mpt); 3664 #if __FreeBSD_version >= 500000 3665 mtx_unlock(&Giant); 3666 #endif 3667 kthread_exit(0); 3668 } 3669 3670 static int 3671 mpt_scsi_send_tmf(struct mpt_softc *mpt, u_int type, u_int flags, 3672 u_int channel, u_int target, u_int lun, u_int abort_ctx, int sleep_ok) 3673 { 3674 MSG_SCSI_TASK_MGMT *tmf_req; 3675 int error; 3676 3677 /* 3678 * Wait for any current TMF request to complete. 3679 * We're only allowed to issue one TMF at a time. 3680 */ 3681 error = mpt_wait_req(mpt, mpt->tmf_req, REQ_STATE_FREE, REQ_STATE_FREE, 3682 sleep_ok, MPT_TMF_MAX_TIMEOUT); 3683 if (error != 0) { 3684 mpt_reset(mpt, TRUE); 3685 return (ETIMEDOUT); 3686 } 3687 3688 mpt_assign_serno(mpt, mpt->tmf_req); 3689 mpt->tmf_req->state = REQ_STATE_ALLOCATED|REQ_STATE_QUEUED; 3690 3691 tmf_req = (MSG_SCSI_TASK_MGMT *)mpt->tmf_req->req_vbuf; 3692 memset(tmf_req, 0, sizeof(*tmf_req)); 3693 tmf_req->TargetID = target; 3694 tmf_req->Bus = channel; 3695 tmf_req->ChainOffset = 0; 3696 tmf_req->Function = MPI_FUNCTION_SCSI_TASK_MGMT; 3697 tmf_req->Reserved = 0; 3698 tmf_req->TaskType = type; 3699 tmf_req->Reserved1 = 0; 3700 tmf_req->MsgFlags = flags; 3701 tmf_req->MsgContext = 3702 htole32(mpt->tmf_req->index | scsi_tmf_handler_id); 3703 memset(&tmf_req->LUN, 0, 3704 sizeof(tmf_req->LUN) + sizeof(tmf_req->Reserved2)); 3705 if (lun > 256) { 3706 tmf_req->LUN[0] = 0x40 | ((lun >> 8) & 0x3f); 3707 tmf_req->LUN[1] = lun & 0xff; 3708 } else { 3709 tmf_req->LUN[1] = lun; 3710 } 3711 tmf_req->TaskMsgContext = abort_ctx; 3712 3713 mpt_lprt(mpt, MPT_PRT_DEBUG, 3714 "Issuing TMF %p:%u with MsgContext of 0x%x\n", mpt->tmf_req, 3715 mpt->tmf_req->serno, tmf_req->MsgContext); 3716 if (mpt->verbose > MPT_PRT_DEBUG) { 3717 mpt_print_request(tmf_req); 3718 } 3719 3720 KASSERT(mpt_req_on_pending_list(mpt, mpt->tmf_req) == 0, 3721 ("mpt_scsi_send_tmf: tmf_req already on pending list")); 3722 TAILQ_INSERT_HEAD(&mpt->request_pending_list, mpt->tmf_req, links); 3723 error = mpt_send_handshake_cmd(mpt, sizeof(*tmf_req), tmf_req); 3724 if (error != MPT_OK) { 3725 TAILQ_REMOVE(&mpt->request_pending_list, mpt->tmf_req, links); 3726 mpt->tmf_req->state = REQ_STATE_FREE; 3727 mpt_reset(mpt, TRUE); 3728 } 3729 return (error); 3730 } 3731 3732 /* 3733 * When a command times out, it is placed on the requeust_timeout_list 3734 * and we wake our recovery thread. The MPT-Fusion architecture supports 3735 * only a single TMF operation at a time, so we serially abort/bdr, etc, 3736 * the timedout transactions. The next TMF is issued either by the 3737 * completion handler of the current TMF waking our recovery thread, 3738 * or the TMF timeout handler causing a hard reset sequence. 3739 */ 3740 static void 3741 mpt_recover_commands(struct mpt_softc *mpt) 3742 { 3743 request_t *req; 3744 union ccb *ccb; 3745 int error; 3746 3747 if (TAILQ_EMPTY(&mpt->request_timeout_list) != 0) { 3748 /* 3749 * No work to do- leave. 3750 */ 3751 mpt_prt(mpt, "mpt_recover_commands: no requests.\n"); 3752 return; 3753 } 3754 3755 /* 3756 * Flush any commands whose completion coincides with their timeout. 3757 */ 3758 mpt_intr(mpt); 3759 3760 if (TAILQ_EMPTY(&mpt->request_timeout_list) != 0) { 3761 /* 3762 * The timedout commands have already 3763 * completed. This typically means 3764 * that either the timeout value was on 3765 * the hairy edge of what the device 3766 * requires or - more likely - interrupts 3767 * are not happening. 3768 */ 3769 mpt_prt(mpt, "Timedout requests already complete. " 3770 "Interrupts may not be functioning.\n"); 3771 mpt_enable_ints(mpt); 3772 return; 3773 } 3774 3775 /* 3776 * We have no visibility into the current state of the 3777 * controller, so attempt to abort the commands in the 3778 * order they timed-out. For initiator commands, we 3779 * depend on the reply handler pulling requests off 3780 * the timeout list. 3781 */ 3782 while ((req = TAILQ_FIRST(&mpt->request_timeout_list)) != NULL) { 3783 uint16_t status; 3784 uint8_t response; 3785 MSG_REQUEST_HEADER *hdrp = req->req_vbuf; 3786 3787 mpt_prt(mpt, "attempting to abort req %p:%u function %x\n", 3788 req, req->serno, hdrp->Function); 3789 ccb = req->ccb; 3790 if (ccb == NULL) { 3791 mpt_prt(mpt, "null ccb in timed out request. " 3792 "Resetting Controller.\n"); 3793 mpt_reset(mpt, TRUE); 3794 continue; 3795 } 3796 mpt_set_ccb_status(ccb, CAM_CMD_TIMEOUT); 3797 3798 /* 3799 * Check to see if this is not an initiator command and 3800 * deal with it differently if it is. 3801 */ 3802 switch (hdrp->Function) { 3803 case MPI_FUNCTION_SCSI_IO_REQUEST: 3804 case MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH: 3805 break; 3806 default: 3807 /* 3808 * XXX: FIX ME: need to abort target assists... 3809 */ 3810 mpt_prt(mpt, "just putting it back on the pend q\n"); 3811 TAILQ_REMOVE(&mpt->request_timeout_list, req, links); 3812 TAILQ_INSERT_HEAD(&mpt->request_pending_list, req, 3813 links); 3814 continue; 3815 } 3816 3817 error = mpt_scsi_send_tmf(mpt, 3818 MPI_SCSITASKMGMT_TASKTYPE_ABORT_TASK, 3819 0, 0, ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 3820 htole32(req->index | scsi_io_handler_id), TRUE); 3821 3822 if (error != 0) { 3823 /* 3824 * mpt_scsi_send_tmf hard resets on failure, so no 3825 * need to do so here. Our queue should be emptied 3826 * by the hard reset. 3827 */ 3828 continue; 3829 } 3830 3831 error = mpt_wait_req(mpt, mpt->tmf_req, REQ_STATE_DONE, 3832 REQ_STATE_DONE, TRUE, 500); 3833 3834 status = mpt->tmf_req->IOCStatus; 3835 response = mpt->tmf_req->ResponseCode; 3836 mpt->tmf_req->state = REQ_STATE_FREE; 3837 3838 if (error != 0) { 3839 /* 3840 * If we've errored out,, reset the controller. 3841 */ 3842 mpt_prt(mpt, "mpt_recover_commands: abort timed-out. " 3843 "Resetting controller\n"); 3844 mpt_reset(mpt, TRUE); 3845 continue; 3846 } 3847 3848 if ((status & MPI_IOCSTATUS_MASK) != MPI_IOCSTATUS_SUCCESS) { 3849 mpt_prt(mpt, "mpt_recover_commands: IOC Status 0x%x. " 3850 "Resetting controller.\n", status); 3851 mpt_reset(mpt, TRUE); 3852 continue; 3853 } 3854 3855 if (response != MPI_SCSITASKMGMT_RSP_TM_SUCCEEDED && 3856 response != MPI_SCSITASKMGMT_RSP_TM_COMPLETE) { 3857 mpt_prt(mpt, "mpt_recover_commands: TMF Response 0x%x. " 3858 "Resetting controller.\n", response); 3859 mpt_reset(mpt, TRUE); 3860 continue; 3861 } 3862 mpt_prt(mpt, "abort of req %p:%u completed\n", req, req->serno); 3863 } 3864 } 3865 3866 /************************ Target Mode Support ****************************/ 3867 static void 3868 mpt_fc_post_els(struct mpt_softc *mpt, request_t *req, int ioindex) 3869 { 3870 MSG_LINK_SERVICE_BUFFER_POST_REQUEST *fc; 3871 PTR_SGE_TRANSACTION32 tep; 3872 PTR_SGE_SIMPLE32 se; 3873 bus_addr_t paddr; 3874 uint32_t fl; 3875 3876 paddr = req->req_pbuf; 3877 paddr += MPT_RQSL(mpt); 3878 3879 fc = req->req_vbuf; 3880 memset(fc, 0, MPT_REQUEST_AREA); 3881 fc->BufferCount = 1; 3882 fc->Function = MPI_FUNCTION_FC_LINK_SRVC_BUF_POST; 3883 fc->MsgContext = htole32(req->index | fc_els_handler_id); 3884 3885 /* 3886 * Okay, set up ELS buffer pointers. ELS buffer pointers 3887 * consist of a TE SGL element (with details length of zero) 3888 * followe by a SIMPLE SGL element which holds the address 3889 * of the buffer. 3890 */ 3891 3892 tep = (PTR_SGE_TRANSACTION32) &fc->SGL; 3893 3894 tep->ContextSize = 4; 3895 tep->Flags = 0; 3896 tep->TransactionContext[0] = htole32(ioindex); 3897 3898 se = (PTR_SGE_SIMPLE32) &tep->TransactionDetails[0]; 3899 fl = 3900 MPI_SGE_FLAGS_HOST_TO_IOC | 3901 MPI_SGE_FLAGS_SIMPLE_ELEMENT | 3902 MPI_SGE_FLAGS_LAST_ELEMENT | 3903 MPI_SGE_FLAGS_END_OF_LIST | 3904 MPI_SGE_FLAGS_END_OF_BUFFER; 3905 fl <<= MPI_SGE_FLAGS_SHIFT; 3906 fl |= (MPT_NRFM(mpt) - MPT_RQSL(mpt)); 3907 se->FlagsLength = htole32(fl); 3908 se->Address = htole32((uint32_t) paddr); 3909 mpt_lprt(mpt, MPT_PRT_DEBUG, 3910 "add ELS index %d ioindex %d for %p:%u\n", 3911 req->index, ioindex, req, req->serno); 3912 KASSERT(((req->state & REQ_STATE_LOCKED) != 0), 3913 ("mpt_fc_post_els: request not locked")); 3914 mpt_send_cmd(mpt, req); 3915 } 3916 3917 static void 3918 mpt_post_target_command(struct mpt_softc *mpt, request_t *req, int ioindex) 3919 { 3920 PTR_MSG_TARGET_CMD_BUFFER_POST_REQUEST fc; 3921 PTR_CMD_BUFFER_DESCRIPTOR cb; 3922 bus_addr_t paddr; 3923 3924 paddr = req->req_pbuf; 3925 paddr += MPT_RQSL(mpt); 3926 memset(req->req_vbuf, 0, MPT_REQUEST_AREA); 3927 MPT_TGT_STATE(mpt, req)->state = TGT_STATE_LOADING; 3928 3929 fc = req->req_vbuf; 3930 fc->BufferCount = 1; 3931 fc->Function = MPI_FUNCTION_TARGET_CMD_BUFFER_POST; 3932 fc->MsgContext = htole32(req->index | mpt->scsi_tgt_handler_id); 3933 3934 cb = &fc->Buffer[0]; 3935 cb->IoIndex = htole16(ioindex); 3936 cb->u.PhysicalAddress32 = htole32((U32) paddr); 3937 3938 mpt_check_doorbell(mpt); 3939 mpt_send_cmd(mpt, req); 3940 } 3941 3942 static int 3943 mpt_add_els_buffers(struct mpt_softc *mpt) 3944 { 3945 int i; 3946 3947 if (mpt->is_fc == 0) { 3948 return (TRUE); 3949 } 3950 3951 if (mpt->els_cmds_allocated) { 3952 return (TRUE); 3953 } 3954 3955 mpt->els_cmd_ptrs = malloc(MPT_MAX_ELS * sizeof (request_t *), 3956 M_DEVBUF, M_NOWAIT | M_ZERO); 3957 3958 if (mpt->els_cmd_ptrs == NULL) { 3959 return (FALSE); 3960 } 3961 3962 /* 3963 * Feed the chip some ELS buffer resources 3964 */ 3965 for (i = 0; i < MPT_MAX_ELS; i++) { 3966 request_t *req = mpt_get_request(mpt, FALSE); 3967 if (req == NULL) { 3968 break; 3969 } 3970 req->state |= REQ_STATE_LOCKED; 3971 mpt->els_cmd_ptrs[i] = req; 3972 mpt_fc_post_els(mpt, req, i); 3973 } 3974 3975 if (i == 0) { 3976 mpt_prt(mpt, "unable to add ELS buffer resources\n"); 3977 free(mpt->els_cmd_ptrs, M_DEVBUF); 3978 mpt->els_cmd_ptrs = NULL; 3979 return (FALSE); 3980 } 3981 if (i != MPT_MAX_ELS) { 3982 mpt_lprt(mpt, MPT_PRT_INFO, 3983 "only added %d of %d ELS buffers\n", i, MPT_MAX_ELS); 3984 } 3985 mpt->els_cmds_allocated = i; 3986 return(TRUE); 3987 } 3988 3989 static int 3990 mpt_add_target_commands(struct mpt_softc *mpt) 3991 { 3992 int i, max; 3993 3994 if (mpt->tgt_cmd_ptrs) { 3995 return (TRUE); 3996 } 3997 3998 max = MPT_MAX_REQUESTS(mpt) >> 1; 3999 if (max > mpt->mpt_max_tgtcmds) { 4000 max = mpt->mpt_max_tgtcmds; 4001 } 4002 mpt->tgt_cmd_ptrs = 4003 malloc(max * sizeof (request_t *), M_DEVBUF, M_NOWAIT | M_ZERO); 4004 if (mpt->tgt_cmd_ptrs == NULL) { 4005 mpt_prt(mpt, 4006 "mpt_add_target_commands: could not allocate cmd ptrs\n"); 4007 return (FALSE); 4008 } 4009 4010 for (i = 0; i < max; i++) { 4011 request_t *req; 4012 4013 req = mpt_get_request(mpt, FALSE); 4014 if (req == NULL) { 4015 break; 4016 } 4017 req->state |= REQ_STATE_LOCKED; 4018 mpt->tgt_cmd_ptrs[i] = req; 4019 mpt_post_target_command(mpt, req, i); 4020 } 4021 4022 4023 if (i == 0) { 4024 mpt_lprt(mpt, MPT_PRT_ERROR, "could not add any target bufs\n"); 4025 free(mpt->tgt_cmd_ptrs, M_DEVBUF); 4026 mpt->tgt_cmd_ptrs = NULL; 4027 return (FALSE); 4028 } 4029 4030 mpt->tgt_cmds_allocated = i; 4031 4032 if (i < max) { 4033 mpt_lprt(mpt, MPT_PRT_INFO, 4034 "added %d of %d target bufs\n", i, max); 4035 } 4036 return (i); 4037 } 4038 4039 static int 4040 mpt_enable_lun(struct mpt_softc *mpt, target_id_t tgt, lun_id_t lun) 4041 { 4042 if (tgt == CAM_TARGET_WILDCARD && lun == CAM_LUN_WILDCARD) { 4043 mpt->twildcard = 1; 4044 } else if (lun >= MPT_MAX_LUNS) { 4045 return (EINVAL); 4046 } else if (tgt != CAM_TARGET_WILDCARD && tgt != 0) { 4047 return (EINVAL); 4048 } 4049 if (mpt->tenabled == 0) { 4050 if (mpt->is_fc) { 4051 (void) mpt_fc_reset_link(mpt, 0); 4052 } 4053 mpt->tenabled = 1; 4054 } 4055 if (lun == CAM_LUN_WILDCARD) { 4056 mpt->trt_wildcard.enabled = 1; 4057 } else { 4058 mpt->trt[lun].enabled = 1; 4059 } 4060 return (0); 4061 } 4062 4063 static int 4064 mpt_disable_lun(struct mpt_softc *mpt, target_id_t tgt, lun_id_t lun) 4065 { 4066 int i; 4067 if (tgt == CAM_TARGET_WILDCARD && lun == CAM_LUN_WILDCARD) { 4068 mpt->twildcard = 0; 4069 } else if (lun >= MPT_MAX_LUNS) { 4070 return (EINVAL); 4071 } else if (tgt != CAM_TARGET_WILDCARD && tgt != 0) { 4072 return (EINVAL); 4073 } 4074 if (lun == CAM_LUN_WILDCARD) { 4075 mpt->trt_wildcard.enabled = 0; 4076 } else { 4077 mpt->trt[lun].enabled = 0; 4078 } 4079 for (i = 0; i < MPT_MAX_LUNS; i++) { 4080 if (mpt->trt[lun].enabled) { 4081 break; 4082 } 4083 } 4084 if (i == MPT_MAX_LUNS && mpt->twildcard == 0) { 4085 if (mpt->is_fc) { 4086 (void) mpt_fc_reset_link(mpt, 0); 4087 } 4088 mpt->tenabled = 0; 4089 } 4090 return (0); 4091 } 4092 4093 /* 4094 * Called with MPT lock held 4095 */ 4096 static void 4097 mpt_target_start_io(struct mpt_softc *mpt, union ccb *ccb) 4098 { 4099 struct ccb_scsiio *csio = &ccb->csio; 4100 request_t *cmd_req = MPT_TAG_2_REQ(mpt, csio->tag_id); 4101 mpt_tgt_state_t *tgt = MPT_TGT_STATE(mpt, cmd_req); 4102 4103 switch (tgt->state) { 4104 case TGT_STATE_IN_CAM: 4105 break; 4106 case TGT_STATE_MOVING_DATA: 4107 mpt_set_ccb_status(ccb, CAM_REQUEUE_REQ); 4108 xpt_freeze_simq(mpt->sim, 1); 4109 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 4110 tgt->ccb->ccb_h.status |= CAM_RELEASE_SIMQ; 4111 MPTLOCK_2_CAMLOCK(mpt); 4112 xpt_done(ccb); 4113 CAMLOCK_2_MPTLOCK(mpt); 4114 return; 4115 default: 4116 mpt_prt(mpt, "ccb %p flags 0x%x tag 0x%08x had bad request " 4117 "starting I/O\n", ccb, csio->ccb_h.flags, csio->tag_id); 4118 mpt_tgt_dump_req_state(mpt, cmd_req); 4119 mpt_set_ccb_status(ccb, CAM_REQ_CMP_ERR); 4120 MPTLOCK_2_CAMLOCK(mpt); 4121 xpt_done(ccb); 4122 CAMLOCK_2_MPTLOCK(mpt); 4123 return; 4124 } 4125 4126 if (csio->dxfer_len) { 4127 bus_dmamap_callback_t *cb; 4128 PTR_MSG_TARGET_ASSIST_REQUEST ta; 4129 request_t *req; 4130 4131 KASSERT((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE, 4132 ("dxfer_len %u but direction is NONE\n", csio->dxfer_len)); 4133 4134 if ((req = mpt_get_request(mpt, FALSE)) == NULL) { 4135 if (mpt->outofbeer == 0) { 4136 mpt->outofbeer = 1; 4137 xpt_freeze_simq(mpt->sim, 1); 4138 mpt_lprt(mpt, MPT_PRT_DEBUG, "FREEZEQ\n"); 4139 } 4140 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 4141 mpt_set_ccb_status(ccb, CAM_REQUEUE_REQ); 4142 MPTLOCK_2_CAMLOCK(mpt); 4143 xpt_done(ccb); 4144 CAMLOCK_2_MPTLOCK(mpt); 4145 return; 4146 } 4147 ccb->ccb_h.status = CAM_SIM_QUEUED | CAM_REQ_INPROG; 4148 if (sizeof (bus_addr_t) > 4) { 4149 cb = mpt_execute_req_a64; 4150 } else { 4151 cb = mpt_execute_req; 4152 } 4153 4154 req->ccb = ccb; 4155 ccb->ccb_h.ccb_req_ptr = req; 4156 4157 /* 4158 * Record the currently active ccb and the 4159 * request for it in our target state area. 4160 */ 4161 tgt->ccb = ccb; 4162 tgt->req = req; 4163 4164 memset(req->req_vbuf, 0, MPT_RQSL(mpt)); 4165 ta = req->req_vbuf; 4166 4167 if (mpt->is_sas) { 4168 PTR_MPI_TARGET_SSP_CMD_BUFFER ssp = 4169 cmd_req->req_vbuf; 4170 ta->QueueTag = ssp->InitiatorTag; 4171 } else if (mpt->is_spi) { 4172 PTR_MPI_TARGET_SCSI_SPI_CMD_BUFFER sp = 4173 cmd_req->req_vbuf; 4174 ta->QueueTag = sp->Tag; 4175 } 4176 ta->Function = MPI_FUNCTION_TARGET_ASSIST; 4177 ta->MsgContext = htole32(req->index | mpt->scsi_tgt_handler_id); 4178 ta->ReplyWord = htole32(tgt->reply_desc); 4179 if (csio->ccb_h.target_lun > 256) { 4180 ta->LUN[0] = 4181 0x40 | ((csio->ccb_h.target_lun >> 8) & 0x3f); 4182 ta->LUN[1] = csio->ccb_h.target_lun & 0xff; 4183 } else { 4184 ta->LUN[1] = csio->ccb_h.target_lun; 4185 } 4186 4187 ta->RelativeOffset = tgt->bytes_xfered; 4188 ta->DataLength = ccb->csio.dxfer_len; 4189 if (ta->DataLength > tgt->resid) { 4190 ta->DataLength = tgt->resid; 4191 } 4192 4193 /* 4194 * XXX Should be done after data transfer completes? 4195 */ 4196 tgt->resid -= csio->dxfer_len; 4197 tgt->bytes_xfered += csio->dxfer_len; 4198 4199 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 4200 ta->TargetAssistFlags |= 4201 TARGET_ASSIST_FLAGS_DATA_DIRECTION; 4202 } 4203 4204 #ifdef WE_TRUST_AUTO_GOOD_STATUS 4205 if ((ccb->ccb_h.flags & CAM_SEND_STATUS) && 4206 csio->scsi_status == SCSI_STATUS_OK && tgt->resid == 0) { 4207 ta->TargetAssistFlags |= 4208 TARGET_ASSIST_FLAGS_AUTO_STATUS; 4209 } 4210 #endif 4211 tgt->state = TGT_STATE_SETTING_UP_FOR_DATA; 4212 4213 mpt_lprt(mpt, MPT_PRT_DEBUG, 4214 "DATA_CCB %p tag %x %u bytes %u resid flg %x req %p:%u " 4215 "nxtstate=%d\n", csio, csio->tag_id, csio->dxfer_len, 4216 tgt->resid, ccb->ccb_h.flags, req, req->serno, tgt->state); 4217 4218 MPTLOCK_2_CAMLOCK(mpt); 4219 if ((ccb->ccb_h.flags & CAM_SCATTER_VALID) == 0) { 4220 if ((ccb->ccb_h.flags & CAM_DATA_PHYS) == 0) { 4221 int error; 4222 int s = splsoftvm(); 4223 error = bus_dmamap_load(mpt->buffer_dmat, 4224 req->dmap, csio->data_ptr, csio->dxfer_len, 4225 cb, req, 0); 4226 splx(s); 4227 if (error == EINPROGRESS) { 4228 xpt_freeze_simq(mpt->sim, 1); 4229 ccb->ccb_h.status |= CAM_RELEASE_SIMQ; 4230 } 4231 } else { 4232 /* 4233 * We have been given a pointer to single 4234 * physical buffer. 4235 */ 4236 struct bus_dma_segment seg; 4237 seg.ds_addr = (bus_addr_t) 4238 (vm_offset_t)csio->data_ptr; 4239 seg.ds_len = csio->dxfer_len; 4240 (*cb)(req, &seg, 1, 0); 4241 } 4242 } else { 4243 /* 4244 * We have been given a list of addresses. 4245 * This case could be easily supported but they are not 4246 * currently generated by the CAM subsystem so there 4247 * is no point in wasting the time right now. 4248 */ 4249 struct bus_dma_segment *sgs; 4250 if ((ccb->ccb_h.flags & CAM_SG_LIST_PHYS) == 0) { 4251 (*cb)(req, NULL, 0, EFAULT); 4252 } else { 4253 /* Just use the segments provided */ 4254 sgs = (struct bus_dma_segment *)csio->data_ptr; 4255 (*cb)(req, sgs, csio->sglist_cnt, 0); 4256 } 4257 } 4258 CAMLOCK_2_MPTLOCK(mpt); 4259 } else { 4260 uint8_t *sp = NULL, sense[MPT_SENSE_SIZE]; 4261 4262 /* 4263 * XXX: I don't know why this seems to happen, but 4264 * XXX: completing the CCB seems to make things happy. 4265 * XXX: This seems to happen if the initiator requests 4266 * XXX: enough data that we have to do multiple CTIOs. 4267 */ 4268 if ((ccb->ccb_h.flags & CAM_SEND_STATUS) == 0) { 4269 mpt_lprt(mpt, MPT_PRT_DEBUG, 4270 "Meaningless STATUS CCB (%p): flags %x status %x " 4271 "resid %d bytes_xfered %u\n", ccb, ccb->ccb_h.flags, 4272 ccb->ccb_h.status, tgt->resid, tgt->bytes_xfered); 4273 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 4274 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 4275 MPTLOCK_2_CAMLOCK(mpt); 4276 xpt_done(ccb); 4277 CAMLOCK_2_MPTLOCK(mpt); 4278 return; 4279 } 4280 if (ccb->ccb_h.flags & CAM_SEND_SENSE) { 4281 sp = sense; 4282 memcpy(sp, &csio->sense_data, 4283 min(csio->sense_len, MPT_SENSE_SIZE)); 4284 } 4285 mpt_scsi_tgt_status(mpt, ccb, cmd_req, csio->scsi_status, sp); 4286 } 4287 } 4288 4289 static void 4290 mpt_scsi_tgt_local(struct mpt_softc *mpt, request_t *cmd_req, 4291 uint32_t lun, int send, uint8_t *data, size_t length) 4292 { 4293 mpt_tgt_state_t *tgt; 4294 PTR_MSG_TARGET_ASSIST_REQUEST ta; 4295 SGE_SIMPLE32 *se; 4296 uint32_t flags; 4297 uint8_t *dptr; 4298 bus_addr_t pptr; 4299 request_t *req; 4300 4301 /* 4302 * We enter with resid set to the data load for the command. 4303 */ 4304 tgt = MPT_TGT_STATE(mpt, cmd_req); 4305 if (length == 0 || tgt->resid == 0) { 4306 tgt->resid = 0; 4307 mpt_scsi_tgt_status(mpt, NULL, cmd_req, 0, NULL); 4308 return; 4309 } 4310 4311 if ((req = mpt_get_request(mpt, FALSE)) == NULL) { 4312 mpt_prt(mpt, "out of resources- dropping local response\n"); 4313 return; 4314 } 4315 tgt->is_local = 1; 4316 4317 4318 memset(req->req_vbuf, 0, MPT_RQSL(mpt)); 4319 ta = req->req_vbuf; 4320 4321 if (mpt->is_sas) { 4322 PTR_MPI_TARGET_SSP_CMD_BUFFER ssp = cmd_req->req_vbuf; 4323 ta->QueueTag = ssp->InitiatorTag; 4324 } else if (mpt->is_spi) { 4325 PTR_MPI_TARGET_SCSI_SPI_CMD_BUFFER sp = cmd_req->req_vbuf; 4326 ta->QueueTag = sp->Tag; 4327 } 4328 ta->Function = MPI_FUNCTION_TARGET_ASSIST; 4329 ta->MsgContext = htole32(req->index | mpt->scsi_tgt_handler_id); 4330 ta->ReplyWord = htole32(tgt->reply_desc); 4331 if (lun > 256) { 4332 ta->LUN[0] = 0x40 | ((lun >> 8) & 0x3f); 4333 ta->LUN[1] = lun & 0xff; 4334 } else { 4335 ta->LUN[1] = lun; 4336 } 4337 ta->RelativeOffset = 0; 4338 ta->DataLength = length; 4339 4340 dptr = req->req_vbuf; 4341 dptr += MPT_RQSL(mpt); 4342 pptr = req->req_pbuf; 4343 pptr += MPT_RQSL(mpt); 4344 memcpy(dptr, data, min(length, MPT_RQSL(mpt))); 4345 4346 se = (SGE_SIMPLE32 *) &ta->SGL[0]; 4347 memset(se, 0,sizeof (*se)); 4348 4349 flags = MPI_SGE_FLAGS_SIMPLE_ELEMENT; 4350 if (send) { 4351 ta->TargetAssistFlags |= TARGET_ASSIST_FLAGS_DATA_DIRECTION; 4352 flags |= MPI_SGE_FLAGS_HOST_TO_IOC; 4353 } 4354 se->Address = pptr; 4355 MPI_pSGE_SET_LENGTH(se, length); 4356 flags |= MPI_SGE_FLAGS_LAST_ELEMENT; 4357 flags |= MPI_SGE_FLAGS_END_OF_LIST | MPI_SGE_FLAGS_END_OF_BUFFER; 4358 MPI_pSGE_SET_FLAGS(se, flags); 4359 4360 tgt->ccb = NULL; 4361 tgt->req = req; 4362 tgt->resid -= length; 4363 tgt->bytes_xfered = length; 4364 #ifdef WE_TRUST_AUTO_GOOD_STATUS 4365 tgt->state = TGT_STATE_MOVING_DATA_AND_STATUS; 4366 #else 4367 tgt->state = TGT_STATE_MOVING_DATA; 4368 #endif 4369 mpt_send_cmd(mpt, req); 4370 } 4371 4372 /* 4373 * Abort queued up CCBs 4374 */ 4375 static cam_status 4376 mpt_abort_target_ccb(struct mpt_softc *mpt, union ccb *ccb) 4377 { 4378 struct mpt_hdr_stailq *lp; 4379 struct ccb_hdr *srch; 4380 int found = 0; 4381 union ccb *accb = ccb->cab.abort_ccb; 4382 tgt_resource_t *trtp; 4383 4384 mpt_lprt(mpt, MPT_PRT_DEBUG, "aborting ccb %p\n", accb); 4385 4386 if (ccb->ccb_h.target_lun == CAM_LUN_WILDCARD) { 4387 trtp = &mpt->trt_wildcard; 4388 } else { 4389 trtp = &mpt->trt[ccb->ccb_h.target_lun]; 4390 } 4391 4392 if (accb->ccb_h.func_code == XPT_ACCEPT_TARGET_IO) { 4393 lp = &trtp->atios; 4394 } else if (accb->ccb_h.func_code == XPT_IMMED_NOTIFY) { 4395 lp = &trtp->inots; 4396 } else { 4397 return (CAM_REQ_INVALID); 4398 } 4399 4400 STAILQ_FOREACH(srch, lp, sim_links.stqe) { 4401 if (srch == &accb->ccb_h) { 4402 found = 1; 4403 STAILQ_REMOVE(lp, srch, ccb_hdr, sim_links.stqe); 4404 break; 4405 } 4406 } 4407 if (found) { 4408 accb->ccb_h.status = CAM_REQ_ABORTED; 4409 xpt_done(accb); 4410 return (CAM_REQ_CMP); 4411 } 4412 mpt_prt(mpt, "mpt_abort_tgt_ccb: CCB %p not found\n", ccb); 4413 return (CAM_PATH_INVALID); 4414 } 4415 4416 /* 4417 * Ask the MPT to abort the current target command 4418 */ 4419 static int 4420 mpt_abort_target_cmd(struct mpt_softc *mpt, request_t *cmd_req) 4421 { 4422 int error; 4423 request_t *req; 4424 PTR_MSG_TARGET_MODE_ABORT abtp; 4425 4426 req = mpt_get_request(mpt, FALSE); 4427 if (req == NULL) { 4428 return (-1); 4429 } 4430 abtp = req->req_vbuf; 4431 memset(abtp, 0, sizeof (*abtp)); 4432 4433 abtp->MsgContext = htole32(req->index | mpt->scsi_tgt_handler_id); 4434 abtp->AbortType = TARGET_MODE_ABORT_TYPE_EXACT_IO; 4435 abtp->Function = MPI_FUNCTION_TARGET_MODE_ABORT; 4436 abtp->ReplyWord = htole32(MPT_TGT_STATE(mpt, cmd_req)->reply_desc); 4437 error = 0; 4438 if (mpt->is_fc || mpt->is_sas) { 4439 mpt_send_cmd(mpt, req); 4440 } else { 4441 error = mpt_send_handshake_cmd(mpt, sizeof(*req), req); 4442 } 4443 return (error); 4444 } 4445 4446 /* 4447 * WE_TRUST_AUTO_GOOD_STATUS- I've found that setting 4448 * TARGET_STATUS_SEND_FLAGS_AUTO_GOOD_STATUS leads the 4449 * FC929 to set bogus FC_RSP fields (nonzero residuals 4450 * but w/o RESID fields set). This causes QLogic initiators 4451 * to think maybe that a frame was lost. 4452 * 4453 * WE_CAN_USE_AUTO_REPOST- we can't use AUTO_REPOST because 4454 * we use allocated requests to do TARGET_ASSIST and we 4455 * need to know when to release them. 4456 */ 4457 4458 static void 4459 mpt_scsi_tgt_status(struct mpt_softc *mpt, union ccb *ccb, request_t *cmd_req, 4460 uint8_t status, uint8_t const *sense_data) 4461 { 4462 uint8_t *cmd_vbuf; 4463 mpt_tgt_state_t *tgt; 4464 PTR_MSG_TARGET_STATUS_SEND_REQUEST tp; 4465 request_t *req; 4466 bus_addr_t paddr; 4467 int resplen = 0; 4468 uint32_t fl; 4469 4470 cmd_vbuf = cmd_req->req_vbuf; 4471 cmd_vbuf += MPT_RQSL(mpt); 4472 tgt = MPT_TGT_STATE(mpt, cmd_req); 4473 4474 if ((req = mpt_get_request(mpt, FALSE)) == NULL) { 4475 if (mpt->outofbeer == 0) { 4476 mpt->outofbeer = 1; 4477 xpt_freeze_simq(mpt->sim, 1); 4478 mpt_lprt(mpt, MPT_PRT_DEBUG, "FREEZEQ\n"); 4479 } 4480 if (ccb) { 4481 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 4482 mpt_set_ccb_status(ccb, CAM_REQUEUE_REQ); 4483 MPTLOCK_2_CAMLOCK(mpt); 4484 xpt_done(ccb); 4485 CAMLOCK_2_MPTLOCK(mpt); 4486 } else { 4487 mpt_prt(mpt, 4488 "could not allocate status request- dropping\n"); 4489 } 4490 return; 4491 } 4492 req->ccb = ccb; 4493 if (ccb) { 4494 ccb->ccb_h.ccb_mpt_ptr = mpt; 4495 ccb->ccb_h.ccb_req_ptr = req; 4496 } 4497 4498 /* 4499 * Record the currently active ccb, if any, and the 4500 * request for it in our target state area. 4501 */ 4502 tgt->ccb = ccb; 4503 tgt->req = req; 4504 tgt->state = TGT_STATE_SENDING_STATUS; 4505 4506 tp = req->req_vbuf; 4507 paddr = req->req_pbuf; 4508 paddr += MPT_RQSL(mpt); 4509 4510 memset(tp, 0, sizeof (*tp)); 4511 tp->Function = MPI_FUNCTION_TARGET_STATUS_SEND; 4512 if (mpt->is_fc) { 4513 PTR_MPI_TARGET_FCP_CMD_BUFFER fc = 4514 (PTR_MPI_TARGET_FCP_CMD_BUFFER) cmd_vbuf; 4515 uint8_t *sts_vbuf; 4516 uint32_t *rsp; 4517 4518 sts_vbuf = req->req_vbuf; 4519 sts_vbuf += MPT_RQSL(mpt); 4520 rsp = (uint32_t *) sts_vbuf; 4521 memcpy(tp->LUN, fc->FcpLun, sizeof (tp->LUN)); 4522 4523 /* 4524 * The MPI_TARGET_FCP_RSP_BUFFER define is unfortunate. 4525 * It has to be big-endian in memory and is organized 4526 * in 32 bit words, which are much easier to deal with 4527 * as words which are swizzled as needed. 4528 * 4529 * All we're filling here is the FC_RSP payload. 4530 * We may just have the chip synthesize it if 4531 * we have no residual and an OK status. 4532 * 4533 */ 4534 memset(rsp, 0, sizeof (MPI_TARGET_FCP_RSP_BUFFER)); 4535 4536 rsp[2] = status; 4537 if (tgt->resid) { 4538 rsp[2] |= 0x800; /* XXXX NEED MNEMONIC!!!! */ 4539 rsp[3] = htobe32(tgt->resid); 4540 #ifdef WE_TRUST_AUTO_GOOD_STATUS 4541 resplen = sizeof (MPI_TARGET_FCP_RSP_BUFFER); 4542 #endif 4543 } 4544 if (status == SCSI_STATUS_CHECK_COND) { 4545 int i; 4546 4547 rsp[2] |= 0x200; /* XXXX NEED MNEMONIC!!!! */ 4548 rsp[4] = htobe32(MPT_SENSE_SIZE); 4549 if (sense_data) { 4550 memcpy(&rsp[8], sense_data, MPT_SENSE_SIZE); 4551 } else { 4552 mpt_prt(mpt, "mpt_scsi_tgt_status: CHECK CONDI" 4553 "TION but no sense data?\n"); 4554 memset(&rsp, 0, MPT_SENSE_SIZE); 4555 } 4556 for (i = 8; i < (8 + (MPT_SENSE_SIZE >> 2)); i++) { 4557 rsp[i] = htobe32(rsp[i]); 4558 } 4559 #ifdef WE_TRUST_AUTO_GOOD_STATUS 4560 resplen = sizeof (MPI_TARGET_FCP_RSP_BUFFER); 4561 #endif 4562 } 4563 #ifndef WE_TRUST_AUTO_GOOD_STATUS 4564 resplen = sizeof (MPI_TARGET_FCP_RSP_BUFFER); 4565 #endif 4566 rsp[2] = htobe32(rsp[2]); 4567 } else if (mpt->is_sas) { 4568 PTR_MPI_TARGET_SSP_CMD_BUFFER ssp = 4569 (PTR_MPI_TARGET_SSP_CMD_BUFFER) cmd_vbuf; 4570 memcpy(tp->LUN, ssp->LogicalUnitNumber, sizeof (tp->LUN)); 4571 } else { 4572 PTR_MPI_TARGET_SCSI_SPI_CMD_BUFFER sp = 4573 (PTR_MPI_TARGET_SCSI_SPI_CMD_BUFFER) cmd_vbuf; 4574 tp->StatusCode = status; 4575 tp->QueueTag = htole16(sp->Tag); 4576 memcpy(tp->LUN, sp->LogicalUnitNumber, sizeof (tp->LUN)); 4577 } 4578 4579 tp->ReplyWord = htole32(tgt->reply_desc); 4580 tp->MsgContext = htole32(req->index | mpt->scsi_tgt_handler_id); 4581 4582 #ifdef WE_CAN_USE_AUTO_REPOST 4583 tp->MsgFlags = TARGET_STATUS_SEND_FLAGS_REPOST_CMD_BUFFER; 4584 #endif 4585 if (status == SCSI_STATUS_OK && resplen == 0) { 4586 tp->MsgFlags |= TARGET_STATUS_SEND_FLAGS_AUTO_GOOD_STATUS; 4587 } else { 4588 tp->StatusDataSGE.u.Address32 = htole32((uint32_t) paddr); 4589 fl = 4590 MPI_SGE_FLAGS_HOST_TO_IOC | 4591 MPI_SGE_FLAGS_SIMPLE_ELEMENT | 4592 MPI_SGE_FLAGS_LAST_ELEMENT | 4593 MPI_SGE_FLAGS_END_OF_LIST | 4594 MPI_SGE_FLAGS_END_OF_BUFFER; 4595 fl <<= MPI_SGE_FLAGS_SHIFT; 4596 fl |= resplen; 4597 tp->StatusDataSGE.FlagsLength = htole32(fl); 4598 } 4599 4600 mpt_lprt(mpt, MPT_PRT_DEBUG, 4601 "STATUS_CCB %p (wit%s sense) tag %x req %p:%u resid %u\n", 4602 ccb, sense_data?"h" : "hout", ccb? ccb->csio.tag_id : -1, req, 4603 req->serno, tgt->resid); 4604 if (ccb) { 4605 ccb->ccb_h.status = CAM_SIM_QUEUED | CAM_REQ_INPROG; 4606 ccb->ccb_h.timeout_ch = timeout(mpt_timeout, ccb, 60 * hz); 4607 } 4608 mpt_send_cmd(mpt, req); 4609 } 4610 4611 static void 4612 mpt_scsi_tgt_tsk_mgmt(struct mpt_softc *mpt, request_t *req, mpt_task_mgmt_t fc, 4613 tgt_resource_t *trtp, int init_id) 4614 { 4615 struct ccb_immed_notify *inot; 4616 mpt_tgt_state_t *tgt; 4617 4618 tgt = MPT_TGT_STATE(mpt, req); 4619 inot = (struct ccb_immed_notify *) STAILQ_FIRST(&trtp->inots); 4620 if (inot == NULL) { 4621 mpt_lprt(mpt, MPT_PRT_WARN, "no INOTSs- sending back BSY\n"); 4622 mpt_scsi_tgt_status(mpt, NULL, req, SCSI_STATUS_BUSY, NULL); 4623 return; 4624 } 4625 STAILQ_REMOVE_HEAD(&trtp->inots, sim_links.stqe); 4626 mpt_lprt(mpt, MPT_PRT_DEBUG1, 4627 "Get FREE INOT %p lun %d\n", inot, inot->ccb_h.target_lun); 4628 4629 memset(&inot->sense_data, 0, sizeof (inot->sense_data)); 4630 inot->sense_len = 0; 4631 memset(inot->message_args, 0, sizeof (inot->message_args)); 4632 inot->initiator_id = init_id; /* XXX */ 4633 4634 /* 4635 * This is a somewhat grotesque attempt to map from task management 4636 * to old style SCSI messages. God help us all. 4637 */ 4638 switch (fc) { 4639 case MPT_ABORT_TASK_SET: 4640 inot->message_args[0] = MSG_ABORT_TAG; 4641 break; 4642 case MPT_CLEAR_TASK_SET: 4643 inot->message_args[0] = MSG_CLEAR_TASK_SET; 4644 break; 4645 case MPT_TARGET_RESET: 4646 inot->message_args[0] = MSG_TARGET_RESET; 4647 break; 4648 case MPT_CLEAR_ACA: 4649 inot->message_args[0] = MSG_CLEAR_ACA; 4650 break; 4651 case MPT_TERMINATE_TASK: 4652 inot->message_args[0] = MSG_ABORT_TAG; 4653 break; 4654 default: 4655 inot->message_args[0] = MSG_NOOP; 4656 break; 4657 } 4658 tgt->ccb = (union ccb *) inot; 4659 inot->ccb_h.status = CAM_MESSAGE_RECV|CAM_DEV_QFRZN; 4660 MPTLOCK_2_CAMLOCK(mpt); 4661 xpt_done((union ccb *)inot); 4662 CAMLOCK_2_MPTLOCK(mpt); 4663 } 4664 4665 static void 4666 mpt_scsi_tgt_atio(struct mpt_softc *mpt, request_t *req, uint32_t reply_desc) 4667 { 4668 static uint8_t null_iqd[SHORT_INQUIRY_LENGTH] = { 4669 0x7f, 0x00, 0x02, 0x02, 0x20, 0x00, 0x00, 0x32, 4670 'F', 'R', 'E', 'E', 'B', 'S', 'D', ' ', 4671 'L', 'S', 'I', '-', 'L', 'O', 'G', 'I', 4672 'C', ' ', 'N', 'U', 'L', 'D', 'E', 'V', 4673 '0', '0', '0', '1' 4674 }; 4675 struct ccb_accept_tio *atiop; 4676 lun_id_t lun; 4677 int tag_action = 0; 4678 mpt_tgt_state_t *tgt; 4679 tgt_resource_t *trtp = NULL; 4680 U8 *lunptr; 4681 U8 *vbuf; 4682 U16 itag; 4683 U16 ioindex; 4684 mpt_task_mgmt_t fct = MPT_NIL_TMT_VALUE; 4685 uint8_t *cdbp; 4686 4687 /* 4688 * First, DMA sync the received command- 4689 * which is in the *request* * phys area. 4690 * 4691 * XXX: We could optimize this for a range 4692 */ 4693 bus_dmamap_sync(mpt->request_dmat, mpt->request_dmap, 4694 BUS_DMASYNC_POSTREAD); 4695 4696 /* 4697 * Stash info for the current command where we can get at it later. 4698 */ 4699 vbuf = req->req_vbuf; 4700 vbuf += MPT_RQSL(mpt); 4701 4702 /* 4703 * Get our state pointer set up. 4704 */ 4705 tgt = MPT_TGT_STATE(mpt, req); 4706 if (tgt->state != TGT_STATE_LOADED) { 4707 mpt_tgt_dump_req_state(mpt, req); 4708 panic("bad target state in mpt_scsi_tgt_atio"); 4709 } 4710 memset(tgt, 0, sizeof (mpt_tgt_state_t)); 4711 tgt->state = TGT_STATE_IN_CAM; 4712 tgt->reply_desc = reply_desc; 4713 ioindex = GET_IO_INDEX(reply_desc); 4714 if (mpt->verbose >= MPT_PRT_DEBUG) { 4715 mpt_dump_data(mpt, "mpt_scsi_tgt_atio response", vbuf, 4716 max(sizeof (MPI_TARGET_FCP_CMD_BUFFER), 4717 max(sizeof (MPI_TARGET_SSP_CMD_BUFFER), 4718 sizeof (MPI_TARGET_SCSI_SPI_CMD_BUFFER)))); 4719 } 4720 if (mpt->is_fc) { 4721 PTR_MPI_TARGET_FCP_CMD_BUFFER fc; 4722 fc = (PTR_MPI_TARGET_FCP_CMD_BUFFER) vbuf; 4723 if (fc->FcpCntl[2]) { 4724 /* 4725 * Task Management Request 4726 */ 4727 switch (fc->FcpCntl[2]) { 4728 case 0x2: 4729 fct = MPT_ABORT_TASK_SET; 4730 break; 4731 case 0x4: 4732 fct = MPT_CLEAR_TASK_SET; 4733 break; 4734 case 0x20: 4735 fct = MPT_TARGET_RESET; 4736 break; 4737 case 0x40: 4738 fct = MPT_CLEAR_ACA; 4739 break; 4740 case 0x80: 4741 fct = MPT_TERMINATE_TASK; 4742 break; 4743 default: 4744 mpt_prt(mpt, "CORRUPTED TASK MGMT BITS: 0x%x\n", 4745 fc->FcpCntl[2]); 4746 mpt_scsi_tgt_status(mpt, 0, req, 4747 SCSI_STATUS_OK, 0); 4748 return; 4749 } 4750 } else { 4751 switch (fc->FcpCntl[1]) { 4752 case 0: 4753 tag_action = MSG_SIMPLE_Q_TAG; 4754 break; 4755 case 1: 4756 tag_action = MSG_HEAD_OF_Q_TAG; 4757 break; 4758 case 2: 4759 tag_action = MSG_ORDERED_Q_TAG; 4760 break; 4761 default: 4762 /* 4763 * Bah. Ignore Untagged Queing and ACA 4764 */ 4765 tag_action = MSG_SIMPLE_Q_TAG; 4766 break; 4767 } 4768 } 4769 tgt->resid = be32toh(fc->FcpDl); 4770 cdbp = fc->FcpCdb; 4771 lunptr = fc->FcpLun; 4772 itag = be16toh(fc->OptionalOxid); 4773 } else if (mpt->is_sas) { 4774 PTR_MPI_TARGET_SSP_CMD_BUFFER ssp; 4775 ssp = (PTR_MPI_TARGET_SSP_CMD_BUFFER) vbuf; 4776 cdbp = ssp->CDB; 4777 lunptr = ssp->LogicalUnitNumber; 4778 itag = ssp->InitiatorTag; 4779 } else { 4780 PTR_MPI_TARGET_SCSI_SPI_CMD_BUFFER sp; 4781 sp = (PTR_MPI_TARGET_SCSI_SPI_CMD_BUFFER) vbuf; 4782 cdbp = sp->CDB; 4783 lunptr = sp->LogicalUnitNumber; 4784 itag = sp->Tag; 4785 } 4786 4787 /* 4788 * Generate a simple lun 4789 */ 4790 switch (lunptr[0] & 0xc0) { 4791 case 0x40: 4792 lun = ((lunptr[0] & 0x3f) << 8) | lunptr[1]; 4793 break; 4794 case 0: 4795 lun = lunptr[1]; 4796 break; 4797 default: 4798 mpt_lprt(mpt, MPT_PRT_ERROR, "cannot handle this type lun\n"); 4799 lun = 0xffff; 4800 break; 4801 } 4802 4803 /* 4804 * Deal with non-enabled or bad luns here. 4805 */ 4806 if (lun >= MPT_MAX_LUNS || mpt->tenabled == 0 || 4807 mpt->trt[lun].enabled == 0) { 4808 if (mpt->twildcard) { 4809 trtp = &mpt->trt_wildcard; 4810 } else if (fct == MPT_NIL_TMT_VALUE) { 4811 /* 4812 * In this case, we haven't got an upstream listener 4813 * for either a specific lun or wildcard luns. We 4814 * have to make some sensible response. For regular 4815 * inquiry, just return some NOT HERE inquiry data. 4816 * For VPD inquiry, report illegal field in cdb. 4817 * For REQUEST SENSE, just return NO SENSE data. 4818 * REPORT LUNS gets illegal command. 4819 * All other commands get 'no such device'. 4820 */ 4821 uint8_t *sp, cond, buf[MPT_SENSE_SIZE]; 4822 size_t len; 4823 4824 memset(buf, 0, MPT_SENSE_SIZE); 4825 cond = SCSI_STATUS_CHECK_COND; 4826 buf[0] = 0xf0; 4827 buf[2] = 0x5; 4828 buf[7] = 0x8; 4829 sp = buf; 4830 tgt->tag_id = MPT_MAKE_TAGID(mpt, req, ioindex); 4831 4832 switch (cdbp[0]) { 4833 case INQUIRY: 4834 { 4835 if (cdbp[1] != 0) { 4836 buf[12] = 0x26; 4837 buf[13] = 0x01; 4838 break; 4839 } 4840 len = min(tgt->resid, cdbp[4]); 4841 len = min(len, sizeof (null_iqd)); 4842 mpt_lprt(mpt, MPT_PRT_DEBUG, 4843 "local inquiry %ld bytes\n", (long) len); 4844 mpt_scsi_tgt_local(mpt, req, lun, 1, 4845 null_iqd, len); 4846 return; 4847 } 4848 case REQUEST_SENSE: 4849 { 4850 buf[2] = 0x0; 4851 len = min(tgt->resid, cdbp[4]); 4852 len = min(len, sizeof (buf)); 4853 mpt_lprt(mpt, MPT_PRT_DEBUG, 4854 "local reqsense %ld bytes\n", (long) len); 4855 mpt_scsi_tgt_local(mpt, req, lun, 1, 4856 buf, len); 4857 return; 4858 } 4859 case REPORT_LUNS: 4860 mpt_lprt(mpt, MPT_PRT_DEBUG, "REPORT LUNS\n"); 4861 buf[12] = 0x26; 4862 return; 4863 default: 4864 mpt_lprt(mpt, MPT_PRT_DEBUG, 4865 "CMD 0x%x to unmanaged lun %u\n", 4866 cdbp[0], lun); 4867 buf[12] = 0x25; 4868 break; 4869 } 4870 mpt_scsi_tgt_status(mpt, NULL, req, cond, sp); 4871 return; 4872 } 4873 /* otherwise, leave trtp NULL */ 4874 } else { 4875 trtp = &mpt->trt[lun]; 4876 } 4877 4878 /* 4879 * Deal with any task management 4880 */ 4881 if (fct != MPT_NIL_TMT_VALUE) { 4882 if (trtp == NULL) { 4883 mpt_prt(mpt, "task mgmt function %x but no listener\n", 4884 fct); 4885 mpt_scsi_tgt_status(mpt, 0, req, 4886 SCSI_STATUS_OK, 0); 4887 } else { 4888 mpt_scsi_tgt_tsk_mgmt(mpt, req, fct, trtp, 4889 GET_INITIATOR_INDEX(reply_desc)); 4890 } 4891 return; 4892 } 4893 4894 4895 atiop = (struct ccb_accept_tio *) STAILQ_FIRST(&trtp->atios); 4896 if (atiop == NULL) { 4897 mpt_lprt(mpt, MPT_PRT_WARN, 4898 "no ATIOs for lun %u- sending back %s\n", lun, 4899 mpt->tenabled? "QUEUE FULL" : "BUSY"); 4900 mpt_scsi_tgt_status(mpt, NULL, req, 4901 mpt->tenabled? SCSI_STATUS_QUEUE_FULL : SCSI_STATUS_BUSY, 4902 NULL); 4903 return; 4904 } 4905 STAILQ_REMOVE_HEAD(&trtp->atios, sim_links.stqe); 4906 mpt_lprt(mpt, MPT_PRT_DEBUG1, 4907 "Get FREE ATIO %p lun %d\n", atiop, atiop->ccb_h.target_lun); 4908 atiop->ccb_h.ccb_mpt_ptr = mpt; 4909 atiop->ccb_h.status = CAM_CDB_RECVD; 4910 atiop->ccb_h.target_lun = lun; 4911 atiop->sense_len = 0; 4912 atiop->init_id = GET_INITIATOR_INDEX(reply_desc); 4913 atiop->cdb_len = mpt_cdblen(cdbp[0], 16); 4914 memcpy(atiop->cdb_io.cdb_bytes, cdbp, atiop->cdb_len); 4915 4916 /* 4917 * The tag we construct here allows us to find the 4918 * original request that the command came in with. 4919 * 4920 * This way we don't have to depend on anything but the 4921 * tag to find things when CCBs show back up from CAM. 4922 */ 4923 atiop->tag_id = MPT_MAKE_TAGID(mpt, req, ioindex); 4924 tgt->tag_id = atiop->tag_id; 4925 if (tag_action) { 4926 atiop->tag_action = tag_action; 4927 atiop->ccb_h.flags = CAM_TAG_ACTION_VALID; 4928 } 4929 if (mpt->verbose >= MPT_PRT_DEBUG) { 4930 int i; 4931 mpt_prt(mpt, "START_CCB %p for lun %u CDB=<", atiop, 4932 atiop->ccb_h.target_lun); 4933 for (i = 0; i < atiop->cdb_len; i++) { 4934 mpt_prtc(mpt, "%02x%c", cdbp[i] & 0xff, 4935 (i == (atiop->cdb_len - 1))? '>' : ' '); 4936 } 4937 mpt_prtc(mpt, " itag %x tag %x rdesc %x dl=%u\n", 4938 itag, atiop->tag_id, tgt->reply_desc, tgt->resid); 4939 } 4940 4941 MPTLOCK_2_CAMLOCK(mpt); 4942 xpt_done((union ccb *)atiop); 4943 CAMLOCK_2_MPTLOCK(mpt); 4944 } 4945 4946 static void 4947 mpt_tgt_dump_tgt_state(struct mpt_softc *mpt, request_t *req) 4948 { 4949 mpt_tgt_state_t *tgt = MPT_TGT_STATE(mpt, req); 4950 4951 mpt_prt(mpt, "req %p:%u tgt:rdesc 0x%x resid %u xfrd %u ccb %p treq %p " 4952 "nx %d tag 0x%08x state=%d\n", req, req->serno, tgt->reply_desc, 4953 tgt->resid, tgt->bytes_xfered, tgt->ccb, tgt->req, tgt->nxfers, 4954 tgt->tag_id, tgt->state); 4955 } 4956 4957 static void 4958 mpt_tgt_dump_req_state(struct mpt_softc *mpt, request_t *req) 4959 { 4960 mpt_prt(mpt, "req %p:%u index %u (%x) state %x\n", req, req->serno, 4961 req->index, req->index, req->state); 4962 mpt_tgt_dump_tgt_state(mpt, req); 4963 } 4964 4965 static int 4966 mpt_scsi_tgt_reply_handler(struct mpt_softc *mpt, request_t *req, 4967 uint32_t reply_desc, MSG_DEFAULT_REPLY *reply_frame) 4968 { 4969 int dbg; 4970 union ccb *ccb; 4971 U16 status; 4972 4973 if (reply_frame == NULL) { 4974 /* 4975 * Figure out what the state of the command is. 4976 */ 4977 mpt_tgt_state_t *tgt = MPT_TGT_STATE(mpt, req); 4978 4979 #ifdef INVARIANTS 4980 mpt_req_spcl(mpt, req, "turbo scsi_tgt_reply", __LINE__); 4981 if (tgt->req) { 4982 mpt_req_not_spcl(mpt, tgt->req, 4983 "turbo scsi_tgt_reply associated req", __LINE__); 4984 } 4985 #endif 4986 switch(tgt->state) { 4987 case TGT_STATE_LOADED: 4988 /* 4989 * This is a new command starting. 4990 */ 4991 mpt_scsi_tgt_atio(mpt, req, reply_desc); 4992 break; 4993 case TGT_STATE_MOVING_DATA: 4994 { 4995 uint8_t *sp = NULL, sense[MPT_SENSE_SIZE]; 4996 4997 ccb = tgt->ccb; 4998 if (tgt->req == NULL) { 4999 panic("mpt: turbo target reply with null " 5000 "associated request moving data"); 5001 /* NOTREACHED */ 5002 } 5003 if (ccb == NULL) { 5004 if (tgt->is_local == 0) { 5005 panic("mpt: turbo target reply with " 5006 "null associated ccb moving data"); 5007 /* NOTREACHED */ 5008 } 5009 mpt_lprt(mpt, MPT_PRT_DEBUG, 5010 "TARGET_ASSIST local done\n"); 5011 TAILQ_REMOVE(&mpt->request_pending_list, 5012 tgt->req, links); 5013 mpt_free_request(mpt, tgt->req); 5014 tgt->req = NULL; 5015 mpt_scsi_tgt_status(mpt, NULL, req, 5016 0, NULL); 5017 return (TRUE); 5018 } 5019 tgt->ccb = NULL; 5020 tgt->nxfers++; 5021 untimeout(mpt_timeout, ccb, ccb->ccb_h.timeout_ch); 5022 mpt_lprt(mpt, MPT_PRT_DEBUG, 5023 "TARGET_ASSIST %p (req %p:%u) done tag 0x%x\n", 5024 ccb, tgt->req, tgt->req->serno, ccb->csio.tag_id); 5025 /* 5026 * Free the Target Assist Request 5027 */ 5028 KASSERT(tgt->req->ccb == ccb, 5029 ("tgt->req %p:%u tgt->req->ccb %p", tgt->req, 5030 tgt->req->serno, tgt->req->ccb)); 5031 TAILQ_REMOVE(&mpt->request_pending_list, 5032 tgt->req, links); 5033 mpt_free_request(mpt, tgt->req); 5034 tgt->req = NULL; 5035 5036 /* 5037 * Do we need to send status now? That is, are 5038 * we done with all our data transfers? 5039 */ 5040 if ((ccb->ccb_h.flags & CAM_SEND_STATUS) == 0) { 5041 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 5042 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 5043 KASSERT(ccb->ccb_h.status, 5044 ("zero ccb sts at %d\n", __LINE__)); 5045 tgt->state = TGT_STATE_IN_CAM; 5046 if (mpt->outofbeer) { 5047 ccb->ccb_h.status |= CAM_RELEASE_SIMQ; 5048 mpt->outofbeer = 0; 5049 mpt_lprt(mpt, MPT_PRT_DEBUG, "THAWQ\n"); 5050 } 5051 MPTLOCK_2_CAMLOCK(mpt); 5052 xpt_done(ccb); 5053 CAMLOCK_2_MPTLOCK(mpt); 5054 break; 5055 } 5056 /* 5057 * Otherwise, send status (and sense) 5058 */ 5059 if (ccb->ccb_h.flags & CAM_SEND_SENSE) { 5060 sp = sense; 5061 memcpy(sp, &ccb->csio.sense_data, 5062 min(ccb->csio.sense_len, MPT_SENSE_SIZE)); 5063 } 5064 mpt_scsi_tgt_status(mpt, ccb, req, 5065 ccb->csio.scsi_status, sp); 5066 break; 5067 } 5068 case TGT_STATE_SENDING_STATUS: 5069 case TGT_STATE_MOVING_DATA_AND_STATUS: 5070 { 5071 int ioindex; 5072 ccb = tgt->ccb; 5073 5074 if (tgt->req == NULL) { 5075 panic("mpt: turbo target reply with null " 5076 "associated request sending status"); 5077 /* NOTREACHED */ 5078 } 5079 5080 if (ccb) { 5081 tgt->ccb = NULL; 5082 if (tgt->state == 5083 TGT_STATE_MOVING_DATA_AND_STATUS) { 5084 tgt->nxfers++; 5085 } 5086 untimeout(mpt_timeout, ccb, 5087 ccb->ccb_h.timeout_ch); 5088 if (ccb->ccb_h.flags & CAM_SEND_SENSE) { 5089 ccb->ccb_h.status |= CAM_SENT_SENSE; 5090 } 5091 mpt_lprt(mpt, MPT_PRT_DEBUG, 5092 "TARGET_STATUS tag %x sts %x flgs %x req " 5093 "%p\n", ccb->csio.tag_id, ccb->ccb_h.status, 5094 ccb->ccb_h.flags, tgt->req); 5095 /* 5096 * Free the Target Send Status Request 5097 */ 5098 KASSERT(tgt->req->ccb == ccb, 5099 ("tgt->req %p:%u tgt->req->ccb %p", 5100 tgt->req, tgt->req->serno, tgt->req->ccb)); 5101 /* 5102 * Notify CAM that we're done 5103 */ 5104 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 5105 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 5106 KASSERT(ccb->ccb_h.status, 5107 ("ZERO ccb sts at %d\n", __LINE__)); 5108 tgt->ccb = NULL; 5109 } else { 5110 mpt_lprt(mpt, MPT_PRT_DEBUG, 5111 "TARGET_STATUS non-CAM for req %p:%u\n", 5112 tgt->req, tgt->req->serno); 5113 } 5114 TAILQ_REMOVE(&mpt->request_pending_list, 5115 tgt->req, links); 5116 mpt_free_request(mpt, tgt->req); 5117 tgt->req = NULL; 5118 5119 /* 5120 * And re-post the Command Buffer. 5121 * This will reset the state. 5122 */ 5123 ioindex = GET_IO_INDEX(reply_desc); 5124 TAILQ_REMOVE(&mpt->request_pending_list, req, links); 5125 tgt->is_local = 0; 5126 mpt_post_target_command(mpt, req, ioindex); 5127 5128 /* 5129 * And post a done for anyone who cares 5130 */ 5131 if (ccb) { 5132 if (mpt->outofbeer) { 5133 ccb->ccb_h.status |= CAM_RELEASE_SIMQ; 5134 mpt->outofbeer = 0; 5135 mpt_lprt(mpt, MPT_PRT_DEBUG, "THAWQ\n"); 5136 } 5137 MPTLOCK_2_CAMLOCK(mpt); 5138 xpt_done(ccb); 5139 CAMLOCK_2_MPTLOCK(mpt); 5140 } 5141 break; 5142 } 5143 case TGT_STATE_NIL: /* XXX This Never Happens XXX */ 5144 tgt->state = TGT_STATE_LOADED; 5145 break; 5146 default: 5147 mpt_prt(mpt, "Unknown Target State 0x%x in Context " 5148 "Reply Function\n", tgt->state); 5149 } 5150 return (TRUE); 5151 } 5152 5153 status = le16toh(reply_frame->IOCStatus); 5154 if (status != MPI_IOCSTATUS_SUCCESS) { 5155 dbg = MPT_PRT_ERROR; 5156 } else { 5157 dbg = MPT_PRT_DEBUG1; 5158 } 5159 5160 mpt_lprt(mpt, dbg, 5161 "SCSI_TGT REPLY: req=%p:%u reply=%p func=%x IOCstatus 0x%x\n", 5162 req, req->serno, reply_frame, reply_frame->Function, status); 5163 5164 switch (reply_frame->Function) { 5165 case MPI_FUNCTION_TARGET_CMD_BUFFER_POST: 5166 { 5167 mpt_tgt_state_t *tgt; 5168 #ifdef INVARIANTS 5169 mpt_req_spcl(mpt, req, "tgt reply BUFFER POST", __LINE__); 5170 #endif 5171 if (status != MPI_IOCSTATUS_SUCCESS) { 5172 /* 5173 * XXX What to do? 5174 */ 5175 break; 5176 } 5177 tgt = MPT_TGT_STATE(mpt, req); 5178 KASSERT(tgt->state == TGT_STATE_LOADING, 5179 ("bad state 0x%x on reply to buffer post\n", tgt->state)); 5180 mpt_assign_serno(mpt, req); 5181 tgt->state = TGT_STATE_LOADED; 5182 break; 5183 } 5184 case MPI_FUNCTION_TARGET_ASSIST: 5185 #ifdef INVARIANTS 5186 mpt_req_not_spcl(mpt, req, "tgt reply TARGET ASSIST", __LINE__); 5187 #endif 5188 mpt_prt(mpt, "target assist completion\n"); 5189 TAILQ_REMOVE(&mpt->request_pending_list, req, links); 5190 mpt_free_request(mpt, req); 5191 break; 5192 case MPI_FUNCTION_TARGET_STATUS_SEND: 5193 #ifdef INVARIANTS 5194 mpt_req_not_spcl(mpt, req, "tgt reply STATUS SEND", __LINE__); 5195 #endif 5196 mpt_prt(mpt, "status send completion\n"); 5197 TAILQ_REMOVE(&mpt->request_pending_list, req, links); 5198 mpt_free_request(mpt, req); 5199 break; 5200 case MPI_FUNCTION_TARGET_MODE_ABORT: 5201 { 5202 PTR_MSG_TARGET_MODE_ABORT_REPLY abtrp = 5203 (PTR_MSG_TARGET_MODE_ABORT_REPLY) reply_frame; 5204 PTR_MSG_TARGET_MODE_ABORT abtp = 5205 (PTR_MSG_TARGET_MODE_ABORT) req->req_vbuf; 5206 uint32_t cc = GET_IO_INDEX(le32toh(abtp->ReplyWord)); 5207 #ifdef INVARIANTS 5208 mpt_req_not_spcl(mpt, req, "tgt reply TMODE ABORT", __LINE__); 5209 #endif 5210 mpt_prt(mpt, "ABORT RX_ID 0x%x Complete; status 0x%x cnt %u\n", 5211 cc, le16toh(abtrp->IOCStatus), le32toh(abtrp->AbortCount)); 5212 TAILQ_REMOVE(&mpt->request_pending_list, req, links); 5213 mpt_free_request(mpt, req); 5214 break; 5215 } 5216 default: 5217 mpt_prt(mpt, "Unknown Target Address Reply Function code: " 5218 "0x%x\n", reply_frame->Function); 5219 break; 5220 } 5221 return (TRUE); 5222 } 5223