1 /*- 2 * FreeBSD/CAM specific routines for LSI '909 FC adapters. 3 * FreeBSD Version. 4 * 5 * Copyright (c) 2000, 2001 by Greg Ansley 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice immediately at the beginning of the file, without modification, 12 * this list of conditions, and the following disclaimer. 13 * 2. The name of the author may not be used to endorse or promote products 14 * derived from this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR 20 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 /*- 29 * Copyright (c) 2002, 2006 by Matthew Jacob 30 * All rights reserved. 31 * 32 * Redistribution and use in source and binary forms, with or without 33 * modification, are permitted provided that the following conditions are 34 * met: 35 * 1. Redistributions of source code must retain the above copyright 36 * notice, this list of conditions and the following disclaimer. 37 * 2. Redistributions in binary form must reproduce at minimum a disclaimer 38 * substantially similar to the "NO WARRANTY" disclaimer below 39 * ("Disclaimer") and any redistribution must be conditioned upon including 40 * a substantially similar Disclaimer requirement for further binary 41 * redistribution. 42 * 3. Neither the names of the above listed copyright holders nor the names 43 * of any contributors may be used to endorse or promote products derived 44 * from this software without specific prior written permission. 45 * 46 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 47 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 48 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 49 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 50 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 51 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 52 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 53 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 54 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 55 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF THE COPYRIGHT 56 * OWNER OR CONTRIBUTOR IS ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 57 * 58 * Support from Chris Ellsworth in order to make SAS adapters work 59 * is gratefully acknowledged. 60 * 61 * Support from LSI-Logic has also gone a great deal toward making this a 62 * workable subsystem and is gratefully acknowledged. 63 */ 64 /*- 65 * Copyright (c) 2004, Avid Technology, Inc. and its contributors. 66 * Copyright (c) 2005, WHEEL Sp. z o.o. 67 * Copyright (c) 2004, 2005 Justin T. Gibbs 68 * All rights reserved. 69 * 70 * Redistribution and use in source and binary forms, with or without 71 * modification, are permitted provided that the following conditions are 72 * met: 73 * 1. Redistributions of source code must retain the above copyright 74 * notice, this list of conditions and the following disclaimer. 75 * 2. Redistributions in binary form must reproduce at minimum a disclaimer 76 * substantially similar to the "NO WARRANTY" disclaimer below 77 * ("Disclaimer") and any redistribution must be conditioned upon including 78 * a substantially similar Disclaimer requirement for further binary 79 * redistribution. 80 * 3. Neither the names of the above listed copyright holders nor the names 81 * of any contributors may be used to endorse or promote products derived 82 * from this software without specific prior written permission. 83 * 84 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 85 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 86 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 87 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 88 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 89 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 90 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 91 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 92 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 93 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF THE COPYRIGHT 94 * OWNER OR CONTRIBUTOR IS ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 95 */ 96 #include <sys/cdefs.h> 97 __FBSDID("$FreeBSD$"); 98 99 #include <dev/mpt/mpt.h> 100 #include <dev/mpt/mpt_cam.h> 101 #include <dev/mpt/mpt_raid.h> 102 103 #include "dev/mpt/mpilib/mpi_ioc.h" /* XXX Fix Event Handling!!! */ 104 #include "dev/mpt/mpilib/mpi_init.h" 105 #include "dev/mpt/mpilib/mpi_targ.h" 106 #include "dev/mpt/mpilib/mpi_fc.h" 107 #include "dev/mpt/mpilib/mpi_sas.h" 108 #if __FreeBSD_version >= 500000 109 #include <sys/sysctl.h> 110 #endif 111 #include <sys/callout.h> 112 #include <sys/kthread.h> 113 114 #if __FreeBSD_version >= 700025 115 #ifndef CAM_NEW_TRAN_CODE 116 #define CAM_NEW_TRAN_CODE 1 117 #endif 118 #endif 119 120 static void mpt_poll(struct cam_sim *); 121 static timeout_t mpt_timeout; 122 static void mpt_action(struct cam_sim *, union ccb *); 123 static int 124 mpt_get_spi_settings(struct mpt_softc *, struct ccb_trans_settings *); 125 static void mpt_setwidth(struct mpt_softc *, int, int); 126 static void mpt_setsync(struct mpt_softc *, int, int, int); 127 static int mpt_update_spi_config(struct mpt_softc *, int); 128 static void mpt_calc_geometry(struct ccb_calc_geometry *ccg, int extended); 129 130 static mpt_reply_handler_t mpt_scsi_reply_handler; 131 static mpt_reply_handler_t mpt_scsi_tmf_reply_handler; 132 static mpt_reply_handler_t mpt_fc_els_reply_handler; 133 static int mpt_scsi_reply_frame_handler(struct mpt_softc *, request_t *, 134 MSG_DEFAULT_REPLY *); 135 static int mpt_bus_reset(struct mpt_softc *, target_id_t, lun_id_t, int); 136 static int mpt_fc_reset_link(struct mpt_softc *, int); 137 138 static int mpt_spawn_recovery_thread(struct mpt_softc *mpt); 139 static void mpt_terminate_recovery_thread(struct mpt_softc *mpt); 140 static void mpt_recovery_thread(void *arg); 141 static void mpt_recover_commands(struct mpt_softc *mpt); 142 143 static int mpt_scsi_send_tmf(struct mpt_softc *, u_int, u_int, u_int, 144 u_int, u_int, u_int, int); 145 146 static void mpt_fc_post_els(struct mpt_softc *mpt, request_t *, int); 147 static void mpt_post_target_command(struct mpt_softc *, request_t *, int); 148 static int mpt_add_els_buffers(struct mpt_softc *mpt); 149 static int mpt_add_target_commands(struct mpt_softc *mpt); 150 static int mpt_enable_lun(struct mpt_softc *, target_id_t, lun_id_t); 151 static int mpt_disable_lun(struct mpt_softc *, target_id_t, lun_id_t); 152 static void mpt_target_start_io(struct mpt_softc *, union ccb *); 153 static cam_status mpt_abort_target_ccb(struct mpt_softc *, union ccb *); 154 static int mpt_abort_target_cmd(struct mpt_softc *, request_t *); 155 static void mpt_scsi_tgt_status(struct mpt_softc *, union ccb *, request_t *, 156 uint8_t, uint8_t const *); 157 static void 158 mpt_scsi_tgt_tsk_mgmt(struct mpt_softc *, request_t *, mpt_task_mgmt_t, 159 tgt_resource_t *, int); 160 static void mpt_tgt_dump_tgt_state(struct mpt_softc *, request_t *); 161 static void mpt_tgt_dump_req_state(struct mpt_softc *, request_t *); 162 static mpt_reply_handler_t mpt_scsi_tgt_reply_handler; 163 static mpt_reply_handler_t mpt_sata_pass_reply_handler; 164 165 static uint32_t scsi_io_handler_id = MPT_HANDLER_ID_NONE; 166 static uint32_t scsi_tmf_handler_id = MPT_HANDLER_ID_NONE; 167 static uint32_t fc_els_handler_id = MPT_HANDLER_ID_NONE; 168 static uint32_t sata_pass_handler_id = MPT_HANDLER_ID_NONE; 169 170 static mpt_probe_handler_t mpt_cam_probe; 171 static mpt_attach_handler_t mpt_cam_attach; 172 static mpt_enable_handler_t mpt_cam_enable; 173 static mpt_ready_handler_t mpt_cam_ready; 174 static mpt_event_handler_t mpt_cam_event; 175 static mpt_reset_handler_t mpt_cam_ioc_reset; 176 static mpt_detach_handler_t mpt_cam_detach; 177 178 static struct mpt_personality mpt_cam_personality = 179 { 180 .name = "mpt_cam", 181 .probe = mpt_cam_probe, 182 .attach = mpt_cam_attach, 183 .enable = mpt_cam_enable, 184 .ready = mpt_cam_ready, 185 .event = mpt_cam_event, 186 .reset = mpt_cam_ioc_reset, 187 .detach = mpt_cam_detach, 188 }; 189 190 DECLARE_MPT_PERSONALITY(mpt_cam, SI_ORDER_SECOND); 191 MODULE_DEPEND(mpt_cam, cam, 1, 1, 1); 192 193 int mpt_enable_sata_wc = -1; 194 TUNABLE_INT("hw.mpt.enable_sata_wc", &mpt_enable_sata_wc); 195 196 static int 197 mpt_cam_probe(struct mpt_softc *mpt) 198 { 199 int role; 200 201 /* 202 * Only attach to nodes that support the initiator or target role 203 * (or want to) or have RAID physical devices that need CAM pass-thru 204 * support. 205 */ 206 if (mpt->do_cfg_role) { 207 role = mpt->cfg_role; 208 } else { 209 role = mpt->role; 210 } 211 if ((role & (MPT_ROLE_TARGET|MPT_ROLE_INITIATOR)) != 0 || 212 (mpt->ioc_page2 != NULL && mpt->ioc_page2->MaxPhysDisks != 0)) { 213 return (0); 214 } 215 return (ENODEV); 216 } 217 218 static int 219 mpt_cam_attach(struct mpt_softc *mpt) 220 { 221 struct cam_devq *devq; 222 mpt_handler_t handler; 223 int maxq; 224 int error; 225 226 MPT_LOCK(mpt); 227 TAILQ_INIT(&mpt->request_timeout_list); 228 maxq = (mpt->ioc_facts.GlobalCredits < MPT_MAX_REQUESTS(mpt))? 229 mpt->ioc_facts.GlobalCredits : MPT_MAX_REQUESTS(mpt); 230 231 handler.reply_handler = mpt_scsi_reply_handler; 232 error = mpt_register_handler(mpt, MPT_HANDLER_REPLY, handler, 233 &scsi_io_handler_id); 234 if (error != 0) { 235 MPT_UNLOCK(mpt); 236 goto cleanup; 237 } 238 239 handler.reply_handler = mpt_scsi_tmf_reply_handler; 240 error = mpt_register_handler(mpt, MPT_HANDLER_REPLY, handler, 241 &scsi_tmf_handler_id); 242 if (error != 0) { 243 MPT_UNLOCK(mpt); 244 goto cleanup; 245 } 246 247 /* 248 * If we're fibre channel and could support target mode, we register 249 * an ELS reply handler and give it resources. 250 */ 251 if (mpt->is_fc && (mpt->role & MPT_ROLE_TARGET) != 0) { 252 handler.reply_handler = mpt_fc_els_reply_handler; 253 error = mpt_register_handler(mpt, MPT_HANDLER_REPLY, handler, 254 &fc_els_handler_id); 255 if (error != 0) { 256 MPT_UNLOCK(mpt); 257 goto cleanup; 258 } 259 if (mpt_add_els_buffers(mpt) == FALSE) { 260 error = ENOMEM; 261 MPT_UNLOCK(mpt); 262 goto cleanup; 263 } 264 maxq -= mpt->els_cmds_allocated; 265 } 266 267 /* 268 * If we support target mode, we register a reply handler for it, 269 * but don't add command resources until we actually enable target 270 * mode. 271 */ 272 if (mpt->is_fc && (mpt->role & MPT_ROLE_TARGET) != 0) { 273 handler.reply_handler = mpt_scsi_tgt_reply_handler; 274 error = mpt_register_handler(mpt, MPT_HANDLER_REPLY, handler, 275 &mpt->scsi_tgt_handler_id); 276 if (error != 0) { 277 MPT_UNLOCK(mpt); 278 goto cleanup; 279 } 280 } 281 282 if (mpt->is_sas) { 283 handler.reply_handler = mpt_sata_pass_reply_handler; 284 error = mpt_register_handler(mpt, MPT_HANDLER_REPLY, handler, 285 &sata_pass_handler_id); 286 if (error != 0) { 287 MPT_UNLOCK(mpt); 288 goto cleanup; 289 } 290 } 291 292 /* 293 * We keep one request reserved for timeout TMF requests. 294 */ 295 mpt->tmf_req = mpt_get_request(mpt, FALSE); 296 if (mpt->tmf_req == NULL) { 297 mpt_prt(mpt, "Unable to allocate dedicated TMF request!\n"); 298 error = ENOMEM; 299 MPT_UNLOCK(mpt); 300 goto cleanup; 301 } 302 303 /* 304 * Mark the request as free even though not on the free list. 305 * There is only one TMF request allowed to be outstanding at 306 * a time and the TMF routines perform their own allocation 307 * tracking using the standard state flags. 308 */ 309 mpt->tmf_req->state = REQ_STATE_FREE; 310 maxq--; 311 312 /* 313 * The rest of this is CAM foo, for which we need to drop our lock 314 */ 315 MPT_UNLOCK(mpt); 316 317 if (mpt_spawn_recovery_thread(mpt) != 0) { 318 mpt_prt(mpt, "Unable to spawn recovery thread!\n"); 319 error = ENOMEM; 320 goto cleanup; 321 } 322 323 /* 324 * Create the device queue for our SIM(s). 325 */ 326 devq = cam_simq_alloc(maxq); 327 if (devq == NULL) { 328 mpt_prt(mpt, "Unable to allocate CAM SIMQ!\n"); 329 error = ENOMEM; 330 goto cleanup; 331 } 332 333 /* 334 * Construct our SIM entry. 335 */ 336 mpt->sim = 337 mpt_sim_alloc(mpt_action, mpt_poll, "mpt", mpt, 1, maxq, devq); 338 if (mpt->sim == NULL) { 339 mpt_prt(mpt, "Unable to allocate CAM SIM!\n"); 340 cam_simq_free(devq); 341 error = ENOMEM; 342 goto cleanup; 343 } 344 345 /* 346 * Register exactly this bus. 347 */ 348 MPT_LOCK(mpt); 349 if (mpt_xpt_bus_register(mpt->sim, mpt->dev, 0) != CAM_SUCCESS) { 350 mpt_prt(mpt, "Bus registration Failed!\n"); 351 error = ENOMEM; 352 MPT_UNLOCK(mpt); 353 goto cleanup; 354 } 355 356 if (xpt_create_path(&mpt->path, NULL, cam_sim_path(mpt->sim), 357 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 358 mpt_prt(mpt, "Unable to allocate Path!\n"); 359 error = ENOMEM; 360 MPT_UNLOCK(mpt); 361 goto cleanup; 362 } 363 MPT_UNLOCK(mpt); 364 365 /* 366 * Only register a second bus for RAID physical 367 * devices if the controller supports RAID. 368 */ 369 if (mpt->ioc_page2 == NULL || mpt->ioc_page2->MaxPhysDisks == 0) { 370 return (0); 371 } 372 373 /* 374 * Create a "bus" to export all hidden disks to CAM. 375 */ 376 mpt->phydisk_sim = 377 mpt_sim_alloc(mpt_action, mpt_poll, "mpt", mpt, 1, maxq, devq); 378 if (mpt->phydisk_sim == NULL) { 379 mpt_prt(mpt, "Unable to allocate Physical Disk CAM SIM!\n"); 380 error = ENOMEM; 381 goto cleanup; 382 } 383 384 /* 385 * Register this bus. 386 */ 387 MPT_LOCK(mpt); 388 if (mpt_xpt_bus_register(mpt->phydisk_sim, mpt->dev, 1) != 389 CAM_SUCCESS) { 390 mpt_prt(mpt, "Physical Disk Bus registration Failed!\n"); 391 error = ENOMEM; 392 MPT_UNLOCK(mpt); 393 goto cleanup; 394 } 395 396 if (xpt_create_path(&mpt->phydisk_path, NULL, 397 cam_sim_path(mpt->phydisk_sim), 398 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 399 mpt_prt(mpt, "Unable to allocate Physical Disk Path!\n"); 400 error = ENOMEM; 401 MPT_UNLOCK(mpt); 402 goto cleanup; 403 } 404 MPT_UNLOCK(mpt); 405 mpt_lprt(mpt, MPT_PRT_DEBUG, "attached cam\n"); 406 return (0); 407 408 cleanup: 409 mpt_cam_detach(mpt); 410 return (error); 411 } 412 413 /* 414 * Read FC configuration information 415 */ 416 static int 417 mpt_read_config_info_fc(struct mpt_softc *mpt) 418 { 419 char *topology = NULL; 420 int rv; 421 422 rv = mpt_read_cfg_header(mpt, MPI_CONFIG_PAGETYPE_FC_PORT, 0, 423 0, &mpt->mpt_fcport_page0.Header, FALSE, 5000); 424 if (rv) { 425 return (-1); 426 } 427 mpt_lprt(mpt, MPT_PRT_DEBUG, "FC Port Page 0 Header: %x %x %x %x\n", 428 mpt->mpt_fcport_page0.Header.PageVersion, 429 mpt->mpt_fcport_page0.Header.PageLength, 430 mpt->mpt_fcport_page0.Header.PageNumber, 431 mpt->mpt_fcport_page0.Header.PageType); 432 433 434 rv = mpt_read_cur_cfg_page(mpt, 0, &mpt->mpt_fcport_page0.Header, 435 sizeof(mpt->mpt_fcport_page0), FALSE, 5000); 436 if (rv) { 437 mpt_prt(mpt, "failed to read FC Port Page 0\n"); 438 return (-1); 439 } 440 mpt2host_config_page_fc_port_0(&mpt->mpt_fcport_page0); 441 442 mpt->mpt_fcport_speed = mpt->mpt_fcport_page0.CurrentSpeed; 443 444 switch (mpt->mpt_fcport_page0.Flags & 445 MPI_FCPORTPAGE0_FLAGS_ATTACH_TYPE_MASK) { 446 case MPI_FCPORTPAGE0_FLAGS_ATTACH_NO_INIT: 447 mpt->mpt_fcport_speed = 0; 448 topology = "<NO LOOP>"; 449 break; 450 case MPI_FCPORTPAGE0_FLAGS_ATTACH_POINT_TO_POINT: 451 topology = "N-Port"; 452 break; 453 case MPI_FCPORTPAGE0_FLAGS_ATTACH_PRIVATE_LOOP: 454 topology = "NL-Port"; 455 break; 456 case MPI_FCPORTPAGE0_FLAGS_ATTACH_FABRIC_DIRECT: 457 topology = "F-Port"; 458 break; 459 case MPI_FCPORTPAGE0_FLAGS_ATTACH_PUBLIC_LOOP: 460 topology = "FL-Port"; 461 break; 462 default: 463 mpt->mpt_fcport_speed = 0; 464 topology = "?"; 465 break; 466 } 467 468 mpt_lprt(mpt, MPT_PRT_INFO, 469 "FC Port Page 0: Topology <%s> WWNN 0x%08x%08x WWPN 0x%08x%08x " 470 "Speed %u-Gbit\n", topology, 471 mpt->mpt_fcport_page0.WWNN.High, 472 mpt->mpt_fcport_page0.WWNN.Low, 473 mpt->mpt_fcport_page0.WWPN.High, 474 mpt->mpt_fcport_page0.WWPN.Low, 475 mpt->mpt_fcport_speed); 476 #if __FreeBSD_version >= 500000 477 MPT_UNLOCK(mpt); 478 { 479 struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(mpt->dev); 480 struct sysctl_oid *tree = device_get_sysctl_tree(mpt->dev); 481 482 snprintf(mpt->scinfo.fc.wwnn, 483 sizeof (mpt->scinfo.fc.wwnn), "0x%08x%08x", 484 mpt->mpt_fcport_page0.WWNN.High, 485 mpt->mpt_fcport_page0.WWNN.Low); 486 487 snprintf(mpt->scinfo.fc.wwpn, 488 sizeof (mpt->scinfo.fc.wwpn), "0x%08x%08x", 489 mpt->mpt_fcport_page0.WWPN.High, 490 mpt->mpt_fcport_page0.WWPN.Low); 491 492 SYSCTL_ADD_STRING(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 493 "wwnn", CTLFLAG_RD, mpt->scinfo.fc.wwnn, 0, 494 "World Wide Node Name"); 495 496 SYSCTL_ADD_STRING(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 497 "wwpn", CTLFLAG_RD, mpt->scinfo.fc.wwpn, 0, 498 "World Wide Port Name"); 499 500 } 501 MPT_LOCK(mpt); 502 #endif 503 return (0); 504 } 505 506 /* 507 * Set FC configuration information. 508 */ 509 static int 510 mpt_set_initial_config_fc(struct mpt_softc *mpt) 511 { 512 CONFIG_PAGE_FC_PORT_1 fc; 513 U32 fl; 514 int r, doit = 0; 515 int role; 516 517 r = mpt_read_cfg_header(mpt, MPI_CONFIG_PAGETYPE_FC_PORT, 1, 0, 518 &fc.Header, FALSE, 5000); 519 if (r) { 520 mpt_prt(mpt, "failed to read FC page 1 header\n"); 521 return (mpt_fc_reset_link(mpt, 1)); 522 } 523 524 r = mpt_read_cfg_page(mpt, MPI_CONFIG_ACTION_PAGE_READ_NVRAM, 0, 525 &fc.Header, sizeof (fc), FALSE, 5000); 526 if (r) { 527 mpt_prt(mpt, "failed to read FC page 1\n"); 528 return (mpt_fc_reset_link(mpt, 1)); 529 } 530 mpt2host_config_page_fc_port_1(&fc); 531 532 /* 533 * Check our flags to make sure we support the role we want. 534 */ 535 doit = 0; 536 role = 0; 537 fl = fc.Flags; 538 539 if (fl & MPI_FCPORTPAGE1_FLAGS_PROT_FCP_INIT) { 540 role |= MPT_ROLE_INITIATOR; 541 } 542 if (fl & MPI_FCPORTPAGE1_FLAGS_PROT_FCP_TARG) { 543 role |= MPT_ROLE_TARGET; 544 } 545 546 fl &= ~MPI_FCPORTPAGE1_FLAGS_PROT_MASK; 547 548 if (mpt->do_cfg_role == 0) { 549 role = mpt->cfg_role; 550 } else { 551 mpt->do_cfg_role = 0; 552 } 553 554 if (role != mpt->cfg_role) { 555 if (mpt->cfg_role & MPT_ROLE_INITIATOR) { 556 if ((role & MPT_ROLE_INITIATOR) == 0) { 557 mpt_prt(mpt, "adding initiator role\n"); 558 fl |= MPI_FCPORTPAGE1_FLAGS_PROT_FCP_INIT; 559 doit++; 560 } else { 561 mpt_prt(mpt, "keeping initiator role\n"); 562 } 563 } else if (role & MPT_ROLE_INITIATOR) { 564 mpt_prt(mpt, "removing initiator role\n"); 565 doit++; 566 } 567 if (mpt->cfg_role & MPT_ROLE_TARGET) { 568 if ((role & MPT_ROLE_TARGET) == 0) { 569 mpt_prt(mpt, "adding target role\n"); 570 fl |= MPI_FCPORTPAGE1_FLAGS_PROT_FCP_TARG; 571 doit++; 572 } else { 573 mpt_prt(mpt, "keeping target role\n"); 574 } 575 } else if (role & MPT_ROLE_TARGET) { 576 mpt_prt(mpt, "removing target role\n"); 577 doit++; 578 } 579 mpt->role = mpt->cfg_role; 580 } 581 582 if (fl & MPI_FCPORTPAGE1_FLAGS_PROT_FCP_TARG) { 583 if ((fl & MPI_FCPORTPAGE1_FLAGS_TARGET_MODE_OXID) == 0) { 584 mpt_prt(mpt, "adding OXID option\n"); 585 fl |= MPI_FCPORTPAGE1_FLAGS_TARGET_MODE_OXID; 586 doit++; 587 } 588 } 589 590 if (doit) { 591 fc.Flags = fl; 592 host2mpt_config_page_fc_port_1(&fc); 593 r = mpt_write_cfg_page(mpt, 594 MPI_CONFIG_ACTION_PAGE_WRITE_NVRAM, 0, &fc.Header, 595 sizeof(fc), FALSE, 5000); 596 if (r != 0) { 597 mpt_prt(mpt, "failed to update NVRAM with changes\n"); 598 return (0); 599 } 600 mpt_prt(mpt, "NOTE: NVRAM changes will not take " 601 "effect until next reboot or IOC reset\n"); 602 } 603 return (0); 604 } 605 606 static int 607 mptsas_sas_io_unit_pg0(struct mpt_softc *mpt, struct mptsas_portinfo *portinfo) 608 { 609 ConfigExtendedPageHeader_t hdr; 610 struct mptsas_phyinfo *phyinfo; 611 SasIOUnitPage0_t *buffer; 612 int error, len, i; 613 614 error = mpt_read_extcfg_header(mpt, MPI_SASIOUNITPAGE0_PAGEVERSION, 615 0, 0, MPI_CONFIG_EXTPAGETYPE_SAS_IO_UNIT, 616 &hdr, 0, 10000); 617 if (error) 618 goto out; 619 if (hdr.ExtPageLength == 0) { 620 error = ENXIO; 621 goto out; 622 } 623 624 len = hdr.ExtPageLength * 4; 625 buffer = malloc(len, M_DEVBUF, M_NOWAIT|M_ZERO); 626 if (buffer == NULL) { 627 error = ENOMEM; 628 goto out; 629 } 630 631 error = mpt_read_extcfg_page(mpt, MPI_CONFIG_ACTION_PAGE_READ_CURRENT, 632 0, &hdr, buffer, len, 0, 10000); 633 if (error) { 634 free(buffer, M_DEVBUF); 635 goto out; 636 } 637 638 portinfo->num_phys = buffer->NumPhys; 639 portinfo->phy_info = malloc(sizeof(*portinfo->phy_info) * 640 portinfo->num_phys, M_DEVBUF, M_NOWAIT|M_ZERO); 641 if (portinfo->phy_info == NULL) { 642 free(buffer, M_DEVBUF); 643 error = ENOMEM; 644 goto out; 645 } 646 647 for (i = 0; i < portinfo->num_phys; i++) { 648 phyinfo = &portinfo->phy_info[i]; 649 phyinfo->phy_num = i; 650 phyinfo->port_id = buffer->PhyData[i].Port; 651 phyinfo->negotiated_link_rate = 652 buffer->PhyData[i].NegotiatedLinkRate; 653 phyinfo->handle = 654 le16toh(buffer->PhyData[i].ControllerDevHandle); 655 } 656 657 free(buffer, M_DEVBUF); 658 out: 659 return (error); 660 } 661 662 static int 663 mptsas_sas_phy_pg0(struct mpt_softc *mpt, struct mptsas_phyinfo *phy_info, 664 uint32_t form, uint32_t form_specific) 665 { 666 ConfigExtendedPageHeader_t hdr; 667 SasPhyPage0_t *buffer; 668 int error; 669 670 error = mpt_read_extcfg_header(mpt, MPI_SASPHY0_PAGEVERSION, 0, 0, 671 MPI_CONFIG_EXTPAGETYPE_SAS_PHY, &hdr, 672 0, 10000); 673 if (error) 674 goto out; 675 if (hdr.ExtPageLength == 0) { 676 error = ENXIO; 677 goto out; 678 } 679 680 buffer = malloc(sizeof(SasPhyPage0_t), M_DEVBUF, M_NOWAIT|M_ZERO); 681 if (buffer == NULL) { 682 error = ENOMEM; 683 goto out; 684 } 685 686 error = mpt_read_extcfg_page(mpt, MPI_CONFIG_ACTION_PAGE_READ_CURRENT, 687 form + form_specific, &hdr, buffer, 688 sizeof(SasPhyPage0_t), 0, 10000); 689 if (error) { 690 free(buffer, M_DEVBUF); 691 goto out; 692 } 693 694 phy_info->hw_link_rate = buffer->HwLinkRate; 695 phy_info->programmed_link_rate = buffer->ProgrammedLinkRate; 696 phy_info->identify.dev_handle = le16toh(buffer->OwnerDevHandle); 697 phy_info->attached.dev_handle = le16toh(buffer->AttachedDevHandle); 698 699 free(buffer, M_DEVBUF); 700 out: 701 return (error); 702 } 703 704 static int 705 mptsas_sas_device_pg0(struct mpt_softc *mpt, struct mptsas_devinfo *device_info, 706 uint32_t form, uint32_t form_specific) 707 { 708 ConfigExtendedPageHeader_t hdr; 709 SasDevicePage0_t *buffer; 710 uint64_t sas_address; 711 int error = 0; 712 713 bzero(device_info, sizeof(*device_info)); 714 error = mpt_read_extcfg_header(mpt, MPI_SASDEVICE0_PAGEVERSION, 0, 0, 715 MPI_CONFIG_EXTPAGETYPE_SAS_DEVICE, 716 &hdr, 0, 10000); 717 if (error) 718 goto out; 719 if (hdr.ExtPageLength == 0) { 720 error = ENXIO; 721 goto out; 722 } 723 724 buffer = malloc(sizeof(SasDevicePage0_t), M_DEVBUF, M_NOWAIT|M_ZERO); 725 if (buffer == NULL) { 726 error = ENOMEM; 727 goto out; 728 } 729 730 error = mpt_read_extcfg_page(mpt, MPI_CONFIG_ACTION_PAGE_READ_CURRENT, 731 form + form_specific, &hdr, buffer, 732 sizeof(SasDevicePage0_t), 0, 10000); 733 if (error) { 734 free(buffer, M_DEVBUF); 735 goto out; 736 } 737 738 device_info->dev_handle = le16toh(buffer->DevHandle); 739 device_info->parent_dev_handle = le16toh(buffer->ParentDevHandle); 740 device_info->enclosure_handle = le16toh(buffer->EnclosureHandle); 741 device_info->slot = le16toh(buffer->Slot); 742 device_info->phy_num = buffer->PhyNum; 743 device_info->physical_port = buffer->PhysicalPort; 744 device_info->target_id = buffer->TargetID; 745 device_info->bus = buffer->Bus; 746 bcopy(&buffer->SASAddress, &sas_address, sizeof(uint64_t)); 747 device_info->sas_address = le64toh(sas_address); 748 device_info->device_info = le32toh(buffer->DeviceInfo); 749 750 free(buffer, M_DEVBUF); 751 out: 752 return (error); 753 } 754 755 /* 756 * Read SAS configuration information. Nothing to do yet. 757 */ 758 static int 759 mpt_read_config_info_sas(struct mpt_softc *mpt) 760 { 761 struct mptsas_portinfo *portinfo; 762 struct mptsas_phyinfo *phyinfo; 763 int error, i; 764 765 portinfo = malloc(sizeof(*portinfo), M_DEVBUF, M_NOWAIT|M_ZERO); 766 if (portinfo == NULL) 767 return (ENOMEM); 768 769 error = mptsas_sas_io_unit_pg0(mpt, portinfo); 770 if (error) { 771 free(portinfo, M_DEVBUF); 772 return (0); 773 } 774 775 for (i = 0; i < portinfo->num_phys; i++) { 776 phyinfo = &portinfo->phy_info[i]; 777 error = mptsas_sas_phy_pg0(mpt, phyinfo, 778 (MPI_SAS_PHY_PGAD_FORM_PHY_NUMBER << 779 MPI_SAS_PHY_PGAD_FORM_SHIFT), i); 780 if (error) 781 break; 782 error = mptsas_sas_device_pg0(mpt, &phyinfo->identify, 783 (MPI_SAS_DEVICE_PGAD_FORM_HANDLE << 784 MPI_SAS_DEVICE_PGAD_FORM_SHIFT), 785 phyinfo->handle); 786 if (error) 787 break; 788 phyinfo->identify.phy_num = phyinfo->phy_num = i; 789 if (phyinfo->attached.dev_handle) 790 error = mptsas_sas_device_pg0(mpt, 791 &phyinfo->attached, 792 (MPI_SAS_DEVICE_PGAD_FORM_HANDLE << 793 MPI_SAS_DEVICE_PGAD_FORM_SHIFT), 794 phyinfo->attached.dev_handle); 795 if (error) 796 break; 797 } 798 mpt->sas_portinfo = portinfo; 799 return (0); 800 } 801 802 static void 803 mptsas_set_sata_wc(struct mpt_softc *mpt, struct mptsas_devinfo *devinfo, 804 int enabled) 805 { 806 SataPassthroughRequest_t *pass; 807 request_t *req; 808 int error, status; 809 810 req = mpt_get_request(mpt, 0); 811 if (req == NULL) 812 return; 813 814 pass = req->req_vbuf; 815 bzero(pass, sizeof(SataPassthroughRequest_t)); 816 pass->Function = MPI_FUNCTION_SATA_PASSTHROUGH; 817 pass->TargetID = devinfo->target_id; 818 pass->Bus = devinfo->bus; 819 pass->PassthroughFlags = 0; 820 pass->ConnectionRate = MPI_SATA_PT_REQ_CONNECT_RATE_NEGOTIATED; 821 pass->DataLength = 0; 822 pass->MsgContext = htole32(req->index | sata_pass_handler_id); 823 pass->CommandFIS[0] = 0x27; 824 pass->CommandFIS[1] = 0x80; 825 pass->CommandFIS[2] = 0xef; 826 pass->CommandFIS[3] = (enabled) ? 0x02 : 0x82; 827 pass->CommandFIS[7] = 0x40; 828 pass->CommandFIS[15] = 0x08; 829 830 mpt_check_doorbell(mpt); 831 mpt_send_cmd(mpt, req); 832 error = mpt_wait_req(mpt, req, REQ_STATE_DONE, REQ_STATE_DONE, 0, 833 10 * 1000); 834 if (error) { 835 mpt_free_request(mpt, req); 836 printf("error %d sending passthrough\n", error); 837 return; 838 } 839 840 status = le16toh(req->IOCStatus); 841 if (status != MPI_IOCSTATUS_SUCCESS) { 842 mpt_free_request(mpt, req); 843 printf("IOCSTATUS %d\n", status); 844 return; 845 } 846 847 mpt_free_request(mpt, req); 848 } 849 850 /* 851 * Set SAS configuration information. Nothing to do yet. 852 */ 853 static int 854 mpt_set_initial_config_sas(struct mpt_softc *mpt) 855 { 856 struct mptsas_phyinfo *phyinfo; 857 int i; 858 859 if ((mpt_enable_sata_wc != -1) && (mpt->sas_portinfo != NULL)) { 860 for (i = 0; i < mpt->sas_portinfo->num_phys; i++) { 861 phyinfo = &mpt->sas_portinfo->phy_info[i]; 862 if (phyinfo->attached.dev_handle == 0) 863 continue; 864 if ((phyinfo->attached.device_info & 865 MPI_SAS_DEVICE_INFO_SATA_DEVICE) == 0) 866 continue; 867 if (bootverbose) 868 device_printf(mpt->dev, 869 "%sabling SATA WC on phy %d\n", 870 (mpt_enable_sata_wc) ? "En" : "Dis", i); 871 mptsas_set_sata_wc(mpt, &phyinfo->attached, 872 mpt_enable_sata_wc); 873 } 874 } 875 876 return (0); 877 } 878 879 static int 880 mpt_sata_pass_reply_handler(struct mpt_softc *mpt, request_t *req, 881 uint32_t reply_desc, MSG_DEFAULT_REPLY *reply_frame) 882 { 883 884 if (req != NULL) { 885 if (reply_frame != NULL) { 886 req->IOCStatus = le16toh(reply_frame->IOCStatus); 887 } 888 req->state &= ~REQ_STATE_QUEUED; 889 req->state |= REQ_STATE_DONE; 890 TAILQ_REMOVE(&mpt->request_pending_list, req, links); 891 if ((req->state & REQ_STATE_NEED_WAKEUP) != 0) { 892 wakeup(req); 893 } else if ((req->state & REQ_STATE_TIMEDOUT) != 0) { 894 /* 895 * Whew- we can free this request (late completion) 896 */ 897 mpt_free_request(mpt, req); 898 } 899 } 900 901 return (TRUE); 902 } 903 904 /* 905 * Read SCSI configuration information 906 */ 907 static int 908 mpt_read_config_info_spi(struct mpt_softc *mpt) 909 { 910 int rv, i; 911 912 rv = mpt_read_cfg_header(mpt, MPI_CONFIG_PAGETYPE_SCSI_PORT, 0, 0, 913 &mpt->mpt_port_page0.Header, FALSE, 5000); 914 if (rv) { 915 return (-1); 916 } 917 mpt_lprt(mpt, MPT_PRT_DEBUG, "SPI Port Page 0 Header: %x %x %x %x\n", 918 mpt->mpt_port_page0.Header.PageVersion, 919 mpt->mpt_port_page0.Header.PageLength, 920 mpt->mpt_port_page0.Header.PageNumber, 921 mpt->mpt_port_page0.Header.PageType); 922 923 rv = mpt_read_cfg_header(mpt, MPI_CONFIG_PAGETYPE_SCSI_PORT, 1, 0, 924 &mpt->mpt_port_page1.Header, FALSE, 5000); 925 if (rv) { 926 return (-1); 927 } 928 mpt_lprt(mpt, MPT_PRT_DEBUG, "SPI Port Page 1 Header: %x %x %x %x\n", 929 mpt->mpt_port_page1.Header.PageVersion, 930 mpt->mpt_port_page1.Header.PageLength, 931 mpt->mpt_port_page1.Header.PageNumber, 932 mpt->mpt_port_page1.Header.PageType); 933 934 rv = mpt_read_cfg_header(mpt, MPI_CONFIG_PAGETYPE_SCSI_PORT, 2, 0, 935 &mpt->mpt_port_page2.Header, FALSE, 5000); 936 if (rv) { 937 return (-1); 938 } 939 mpt_lprt(mpt, MPT_PRT_DEBUG, "SPI Port Page 2 Header: %x %x %x %x\n", 940 mpt->mpt_port_page2.Header.PageVersion, 941 mpt->mpt_port_page2.Header.PageLength, 942 mpt->mpt_port_page2.Header.PageNumber, 943 mpt->mpt_port_page2.Header.PageType); 944 945 for (i = 0; i < 16; i++) { 946 rv = mpt_read_cfg_header(mpt, MPI_CONFIG_PAGETYPE_SCSI_DEVICE, 947 0, i, &mpt->mpt_dev_page0[i].Header, FALSE, 5000); 948 if (rv) { 949 return (-1); 950 } 951 mpt_lprt(mpt, MPT_PRT_DEBUG, 952 "SPI Target %d Device Page 0 Header: %x %x %x %x\n", i, 953 mpt->mpt_dev_page0[i].Header.PageVersion, 954 mpt->mpt_dev_page0[i].Header.PageLength, 955 mpt->mpt_dev_page0[i].Header.PageNumber, 956 mpt->mpt_dev_page0[i].Header.PageType); 957 958 rv = mpt_read_cfg_header(mpt, MPI_CONFIG_PAGETYPE_SCSI_DEVICE, 959 1, i, &mpt->mpt_dev_page1[i].Header, FALSE, 5000); 960 if (rv) { 961 return (-1); 962 } 963 mpt_lprt(mpt, MPT_PRT_DEBUG, 964 "SPI Target %d Device Page 1 Header: %x %x %x %x\n", i, 965 mpt->mpt_dev_page1[i].Header.PageVersion, 966 mpt->mpt_dev_page1[i].Header.PageLength, 967 mpt->mpt_dev_page1[i].Header.PageNumber, 968 mpt->mpt_dev_page1[i].Header.PageType); 969 } 970 971 /* 972 * At this point, we don't *have* to fail. As long as we have 973 * valid config header information, we can (barely) lurch 974 * along. 975 */ 976 977 rv = mpt_read_cur_cfg_page(mpt, 0, &mpt->mpt_port_page0.Header, 978 sizeof(mpt->mpt_port_page0), FALSE, 5000); 979 if (rv) { 980 mpt_prt(mpt, "failed to read SPI Port Page 0\n"); 981 } else { 982 mpt2host_config_page_scsi_port_0(&mpt->mpt_port_page0); 983 mpt_lprt(mpt, MPT_PRT_NEGOTIATION, 984 "SPI Port Page 0: Capabilities %x PhysicalInterface %x\n", 985 mpt->mpt_port_page0.Capabilities, 986 mpt->mpt_port_page0.PhysicalInterface); 987 } 988 989 rv = mpt_read_cur_cfg_page(mpt, 0, &mpt->mpt_port_page1.Header, 990 sizeof(mpt->mpt_port_page1), FALSE, 5000); 991 if (rv) { 992 mpt_prt(mpt, "failed to read SPI Port Page 1\n"); 993 } else { 994 mpt2host_config_page_scsi_port_1(&mpt->mpt_port_page1); 995 mpt_lprt(mpt, MPT_PRT_DEBUG, 996 "SPI Port Page 1: Configuration %x OnBusTimerValue %x\n", 997 mpt->mpt_port_page1.Configuration, 998 mpt->mpt_port_page1.OnBusTimerValue); 999 } 1000 1001 rv = mpt_read_cur_cfg_page(mpt, 0, &mpt->mpt_port_page2.Header, 1002 sizeof(mpt->mpt_port_page2), FALSE, 5000); 1003 if (rv) { 1004 mpt_prt(mpt, "failed to read SPI Port Page 2\n"); 1005 } else { 1006 mpt_lprt(mpt, MPT_PRT_NEGOTIATION, 1007 "Port Page 2: Flags %x Settings %x\n", 1008 mpt->mpt_port_page2.PortFlags, 1009 mpt->mpt_port_page2.PortSettings); 1010 mpt2host_config_page_scsi_port_2(&mpt->mpt_port_page2); 1011 for (i = 0; i < 16; i++) { 1012 mpt_lprt(mpt, MPT_PRT_NEGOTIATION, 1013 " Port Page 2 Tgt %d: timo %x SF %x Flags %x\n", 1014 i, mpt->mpt_port_page2.DeviceSettings[i].Timeout, 1015 mpt->mpt_port_page2.DeviceSettings[i].SyncFactor, 1016 mpt->mpt_port_page2.DeviceSettings[i].DeviceFlags); 1017 } 1018 } 1019 1020 for (i = 0; i < 16; i++) { 1021 rv = mpt_read_cur_cfg_page(mpt, i, 1022 &mpt->mpt_dev_page0[i].Header, sizeof(*mpt->mpt_dev_page0), 1023 FALSE, 5000); 1024 if (rv) { 1025 mpt_prt(mpt, 1026 "cannot read SPI Target %d Device Page 0\n", i); 1027 continue; 1028 } 1029 mpt2host_config_page_scsi_device_0(&mpt->mpt_dev_page0[i]); 1030 mpt_lprt(mpt, MPT_PRT_NEGOTIATION, 1031 "target %d page 0: Negotiated Params %x Information %x\n", 1032 i, mpt->mpt_dev_page0[i].NegotiatedParameters, 1033 mpt->mpt_dev_page0[i].Information); 1034 1035 rv = mpt_read_cur_cfg_page(mpt, i, 1036 &mpt->mpt_dev_page1[i].Header, sizeof(*mpt->mpt_dev_page1), 1037 FALSE, 5000); 1038 if (rv) { 1039 mpt_prt(mpt, 1040 "cannot read SPI Target %d Device Page 1\n", i); 1041 continue; 1042 } 1043 mpt2host_config_page_scsi_device_1(&mpt->mpt_dev_page1[i]); 1044 mpt_lprt(mpt, MPT_PRT_NEGOTIATION, 1045 "target %d page 1: Requested Params %x Configuration %x\n", 1046 i, mpt->mpt_dev_page1[i].RequestedParameters, 1047 mpt->mpt_dev_page1[i].Configuration); 1048 } 1049 return (0); 1050 } 1051 1052 /* 1053 * Validate SPI configuration information. 1054 * 1055 * In particular, validate SPI Port Page 1. 1056 */ 1057 static int 1058 mpt_set_initial_config_spi(struct mpt_softc *mpt) 1059 { 1060 int error, i, pp1val; 1061 1062 mpt->mpt_disc_enable = 0xff; 1063 mpt->mpt_tag_enable = 0; 1064 1065 pp1val = ((1 << mpt->mpt_ini_id) << 1066 MPI_SCSIPORTPAGE1_CFG_SHIFT_PORT_RESPONSE_ID) | mpt->mpt_ini_id; 1067 if (mpt->mpt_port_page1.Configuration != pp1val) { 1068 CONFIG_PAGE_SCSI_PORT_1 tmp; 1069 1070 mpt_prt(mpt, "SPI Port Page 1 Config value bad (%x)- should " 1071 "be %x\n", mpt->mpt_port_page1.Configuration, pp1val); 1072 tmp = mpt->mpt_port_page1; 1073 tmp.Configuration = pp1val; 1074 host2mpt_config_page_scsi_port_1(&tmp); 1075 error = mpt_write_cur_cfg_page(mpt, 0, 1076 &tmp.Header, sizeof(tmp), FALSE, 5000); 1077 if (error) { 1078 return (-1); 1079 } 1080 error = mpt_read_cur_cfg_page(mpt, 0, 1081 &tmp.Header, sizeof(tmp), FALSE, 5000); 1082 if (error) { 1083 return (-1); 1084 } 1085 mpt2host_config_page_scsi_port_1(&tmp); 1086 if (tmp.Configuration != pp1val) { 1087 mpt_prt(mpt, 1088 "failed to reset SPI Port Page 1 Config value\n"); 1089 return (-1); 1090 } 1091 mpt->mpt_port_page1 = tmp; 1092 } 1093 1094 /* 1095 * The purpose of this exercise is to get 1096 * all targets back to async/narrow. 1097 * 1098 * We skip this step if the BIOS has already negotiated 1099 * speeds with the targets. 1100 */ 1101 i = mpt->mpt_port_page2.PortSettings & 1102 MPI_SCSIPORTPAGE2_PORT_MASK_NEGO_MASTER_SETTINGS; 1103 if (i == MPI_SCSIPORTPAGE2_PORT_ALL_MASTER_SETTINGS) { 1104 mpt_lprt(mpt, MPT_PRT_NEGOTIATION, 1105 "honoring BIOS transfer negotiations\n"); 1106 } else { 1107 for (i = 0; i < 16; i++) { 1108 mpt->mpt_dev_page1[i].RequestedParameters = 0; 1109 mpt->mpt_dev_page1[i].Configuration = 0; 1110 (void) mpt_update_spi_config(mpt, i); 1111 } 1112 } 1113 return (0); 1114 } 1115 1116 static int 1117 mpt_cam_enable(struct mpt_softc *mpt) 1118 { 1119 int error; 1120 1121 MPT_LOCK(mpt); 1122 1123 error = EIO; 1124 if (mpt->is_fc) { 1125 if (mpt_read_config_info_fc(mpt)) { 1126 goto out; 1127 } 1128 if (mpt_set_initial_config_fc(mpt)) { 1129 goto out; 1130 } 1131 } else if (mpt->is_sas) { 1132 if (mpt_read_config_info_sas(mpt)) { 1133 goto out; 1134 } 1135 if (mpt_set_initial_config_sas(mpt)) { 1136 goto out; 1137 } 1138 } else if (mpt->is_spi) { 1139 if (mpt_read_config_info_spi(mpt)) { 1140 goto out; 1141 } 1142 if (mpt_set_initial_config_spi(mpt)) { 1143 goto out; 1144 } 1145 } 1146 error = 0; 1147 1148 out: 1149 MPT_UNLOCK(mpt); 1150 return (error); 1151 } 1152 1153 static void 1154 mpt_cam_ready(struct mpt_softc *mpt) 1155 { 1156 1157 /* 1158 * If we're in target mode, hang out resources now 1159 * so we don't cause the world to hang talking to us. 1160 */ 1161 if (mpt->is_fc && (mpt->role & MPT_ROLE_TARGET)) { 1162 /* 1163 * Try to add some target command resources 1164 */ 1165 MPT_LOCK(mpt); 1166 if (mpt_add_target_commands(mpt) == FALSE) { 1167 mpt_prt(mpt, "failed to add target commands\n"); 1168 } 1169 MPT_UNLOCK(mpt); 1170 } 1171 mpt->ready = 1; 1172 } 1173 1174 static void 1175 mpt_cam_detach(struct mpt_softc *mpt) 1176 { 1177 mpt_handler_t handler; 1178 1179 MPT_LOCK(mpt); 1180 mpt->ready = 0; 1181 mpt_terminate_recovery_thread(mpt); 1182 1183 handler.reply_handler = mpt_scsi_reply_handler; 1184 mpt_deregister_handler(mpt, MPT_HANDLER_REPLY, handler, 1185 scsi_io_handler_id); 1186 handler.reply_handler = mpt_scsi_tmf_reply_handler; 1187 mpt_deregister_handler(mpt, MPT_HANDLER_REPLY, handler, 1188 scsi_tmf_handler_id); 1189 handler.reply_handler = mpt_fc_els_reply_handler; 1190 mpt_deregister_handler(mpt, MPT_HANDLER_REPLY, handler, 1191 fc_els_handler_id); 1192 handler.reply_handler = mpt_scsi_tgt_reply_handler; 1193 mpt_deregister_handler(mpt, MPT_HANDLER_REPLY, handler, 1194 mpt->scsi_tgt_handler_id); 1195 handler.reply_handler = mpt_sata_pass_reply_handler; 1196 mpt_deregister_handler(mpt, MPT_HANDLER_REPLY, handler, 1197 sata_pass_handler_id); 1198 1199 if (mpt->tmf_req != NULL) { 1200 mpt->tmf_req->state = REQ_STATE_ALLOCATED; 1201 mpt_free_request(mpt, mpt->tmf_req); 1202 mpt->tmf_req = NULL; 1203 } 1204 if (mpt->sas_portinfo != NULL) { 1205 free(mpt->sas_portinfo, M_DEVBUF); 1206 mpt->sas_portinfo = NULL; 1207 } 1208 1209 if (mpt->sim != NULL) { 1210 xpt_free_path(mpt->path); 1211 xpt_bus_deregister(cam_sim_path(mpt->sim)); 1212 cam_sim_free(mpt->sim, TRUE); 1213 mpt->sim = NULL; 1214 } 1215 1216 if (mpt->phydisk_sim != NULL) { 1217 xpt_free_path(mpt->phydisk_path); 1218 xpt_bus_deregister(cam_sim_path(mpt->phydisk_sim)); 1219 cam_sim_free(mpt->phydisk_sim, TRUE); 1220 mpt->phydisk_sim = NULL; 1221 } 1222 MPT_UNLOCK(mpt); 1223 } 1224 1225 /* This routine is used after a system crash to dump core onto the swap device. 1226 */ 1227 static void 1228 mpt_poll(struct cam_sim *sim) 1229 { 1230 struct mpt_softc *mpt; 1231 1232 mpt = (struct mpt_softc *)cam_sim_softc(sim); 1233 mpt_intr(mpt); 1234 } 1235 1236 /* 1237 * Watchdog timeout routine for SCSI requests. 1238 */ 1239 static void 1240 mpt_timeout(void *arg) 1241 { 1242 union ccb *ccb; 1243 struct mpt_softc *mpt; 1244 request_t *req; 1245 1246 ccb = (union ccb *)arg; 1247 mpt = ccb->ccb_h.ccb_mpt_ptr; 1248 1249 #if __FreeBSD_version < 500000 1250 MPT_LOCK(mpt); 1251 #endif 1252 MPT_LOCK_ASSERT(mpt); 1253 req = ccb->ccb_h.ccb_req_ptr; 1254 mpt_prt(mpt, "request %p:%u timed out for ccb %p (req->ccb %p)\n", req, 1255 req->serno, ccb, req->ccb); 1256 /* XXX: WHAT ARE WE TRYING TO DO HERE? */ 1257 if ((req->state & REQ_STATE_QUEUED) == REQ_STATE_QUEUED) { 1258 TAILQ_REMOVE(&mpt->request_pending_list, req, links); 1259 TAILQ_INSERT_TAIL(&mpt->request_timeout_list, req, links); 1260 req->state |= REQ_STATE_TIMEDOUT; 1261 mpt_wakeup_recovery_thread(mpt); 1262 } 1263 #if __FreeBSD_version < 500000 1264 MPT_UNLOCK(mpt); 1265 #endif 1266 } 1267 1268 /* 1269 * Callback routine from "bus_dmamap_load" or, in simple cases, called directly. 1270 * 1271 * Takes a list of physical segments and builds the SGL for SCSI IO command 1272 * and forwards the commard to the IOC after one last check that CAM has not 1273 * aborted the transaction. 1274 */ 1275 static void 1276 mpt_execute_req_a64(void *arg, bus_dma_segment_t *dm_segs, int nseg, int error) 1277 { 1278 request_t *req, *trq; 1279 char *mpt_off; 1280 union ccb *ccb; 1281 struct mpt_softc *mpt; 1282 int seg, first_lim; 1283 uint32_t flags, nxt_off; 1284 void *sglp = NULL; 1285 MSG_REQUEST_HEADER *hdrp; 1286 SGE_SIMPLE64 *se; 1287 SGE_CHAIN64 *ce; 1288 int istgt = 0; 1289 1290 req = (request_t *)arg; 1291 ccb = req->ccb; 1292 1293 mpt = ccb->ccb_h.ccb_mpt_ptr; 1294 req = ccb->ccb_h.ccb_req_ptr; 1295 1296 hdrp = req->req_vbuf; 1297 mpt_off = req->req_vbuf; 1298 1299 if (error == 0 && ((uint32_t)nseg) >= mpt->max_seg_cnt) { 1300 error = EFBIG; 1301 } 1302 1303 if (error == 0) { 1304 switch (hdrp->Function) { 1305 case MPI_FUNCTION_SCSI_IO_REQUEST: 1306 case MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH: 1307 istgt = 0; 1308 sglp = &((PTR_MSG_SCSI_IO_REQUEST)hdrp)->SGL; 1309 break; 1310 case MPI_FUNCTION_TARGET_ASSIST: 1311 istgt = 1; 1312 sglp = &((PTR_MSG_TARGET_ASSIST_REQUEST)hdrp)->SGL; 1313 break; 1314 default: 1315 mpt_prt(mpt, "bad fct 0x%x in mpt_execute_req_a64\n", 1316 hdrp->Function); 1317 error = EINVAL; 1318 break; 1319 } 1320 } 1321 1322 if (error == 0 && ((uint32_t)nseg) >= mpt->max_seg_cnt) { 1323 error = EFBIG; 1324 mpt_prt(mpt, "segment count %d too large (max %u)\n", 1325 nseg, mpt->max_seg_cnt); 1326 } 1327 1328 bad: 1329 if (error != 0) { 1330 if (error != EFBIG && error != ENOMEM) { 1331 mpt_prt(mpt, "mpt_execute_req_a64: err %d\n", error); 1332 } 1333 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INPROG) { 1334 cam_status status; 1335 mpt_freeze_ccb(ccb); 1336 if (error == EFBIG) { 1337 status = CAM_REQ_TOO_BIG; 1338 } else if (error == ENOMEM) { 1339 if (mpt->outofbeer == 0) { 1340 mpt->outofbeer = 1; 1341 xpt_freeze_simq(mpt->sim, 1); 1342 mpt_lprt(mpt, MPT_PRT_DEBUG, 1343 "FREEZEQ\n"); 1344 } 1345 status = CAM_REQUEUE_REQ; 1346 } else { 1347 status = CAM_REQ_CMP_ERR; 1348 } 1349 mpt_set_ccb_status(ccb, status); 1350 } 1351 if (hdrp->Function == MPI_FUNCTION_TARGET_ASSIST) { 1352 request_t *cmd_req = 1353 MPT_TAG_2_REQ(mpt, ccb->csio.tag_id); 1354 MPT_TGT_STATE(mpt, cmd_req)->state = TGT_STATE_IN_CAM; 1355 MPT_TGT_STATE(mpt, cmd_req)->ccb = NULL; 1356 MPT_TGT_STATE(mpt, cmd_req)->req = NULL; 1357 } 1358 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 1359 KASSERT(ccb->ccb_h.status, ("zero ccb sts at %d\n", __LINE__)); 1360 xpt_done(ccb); 1361 CAMLOCK_2_MPTLOCK(mpt); 1362 mpt_free_request(mpt, req); 1363 MPTLOCK_2_CAMLOCK(mpt); 1364 return; 1365 } 1366 1367 /* 1368 * No data to transfer? 1369 * Just make a single simple SGL with zero length. 1370 */ 1371 1372 if (mpt->verbose >= MPT_PRT_DEBUG) { 1373 int tidx = ((char *)sglp) - mpt_off; 1374 memset(&mpt_off[tidx], 0xff, MPT_REQUEST_AREA - tidx); 1375 } 1376 1377 if (nseg == 0) { 1378 SGE_SIMPLE32 *se1 = (SGE_SIMPLE32 *) sglp; 1379 MPI_pSGE_SET_FLAGS(se1, 1380 (MPI_SGE_FLAGS_LAST_ELEMENT | MPI_SGE_FLAGS_END_OF_BUFFER | 1381 MPI_SGE_FLAGS_SIMPLE_ELEMENT | MPI_SGE_FLAGS_END_OF_LIST)); 1382 se1->FlagsLength = htole32(se1->FlagsLength); 1383 goto out; 1384 } 1385 1386 1387 flags = MPI_SGE_FLAGS_SIMPLE_ELEMENT | MPI_SGE_FLAGS_64_BIT_ADDRESSING; 1388 if (istgt == 0) { 1389 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_OUT) { 1390 flags |= MPI_SGE_FLAGS_HOST_TO_IOC; 1391 } 1392 } else { 1393 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 1394 flags |= MPI_SGE_FLAGS_HOST_TO_IOC; 1395 } 1396 } 1397 1398 if (!(ccb->ccb_h.flags & (CAM_SG_LIST_PHYS|CAM_DATA_PHYS))) { 1399 bus_dmasync_op_t op; 1400 if (istgt == 0) { 1401 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 1402 op = BUS_DMASYNC_PREREAD; 1403 } else { 1404 op = BUS_DMASYNC_PREWRITE; 1405 } 1406 } else { 1407 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 1408 op = BUS_DMASYNC_PREWRITE; 1409 } else { 1410 op = BUS_DMASYNC_PREREAD; 1411 } 1412 } 1413 bus_dmamap_sync(mpt->buffer_dmat, req->dmap, op); 1414 } 1415 1416 /* 1417 * Okay, fill in what we can at the end of the command frame. 1418 * If we have up to MPT_NSGL_FIRST, we can fit them all into 1419 * the command frame. 1420 * 1421 * Otherwise, we fill up through MPT_NSGL_FIRST less one 1422 * SIMPLE64 pointers and start doing CHAIN64 entries after 1423 * that. 1424 */ 1425 1426 if (nseg < MPT_NSGL_FIRST(mpt)) { 1427 first_lim = nseg; 1428 } else { 1429 /* 1430 * Leave room for CHAIN element 1431 */ 1432 first_lim = MPT_NSGL_FIRST(mpt) - 1; 1433 } 1434 1435 se = (SGE_SIMPLE64 *) sglp; 1436 for (seg = 0; seg < first_lim; seg++, se++, dm_segs++) { 1437 uint32_t tf; 1438 1439 memset(se, 0, sizeof (*se)); 1440 se->Address.Low = htole32(dm_segs->ds_addr & 0xffffffff); 1441 if (sizeof(bus_addr_t) > 4) { 1442 se->Address.High = 1443 htole32(((uint64_t)dm_segs->ds_addr) >> 32); 1444 } 1445 MPI_pSGE_SET_LENGTH(se, dm_segs->ds_len); 1446 tf = flags; 1447 if (seg == first_lim - 1) { 1448 tf |= MPI_SGE_FLAGS_LAST_ELEMENT; 1449 } 1450 if (seg == nseg - 1) { 1451 tf |= MPI_SGE_FLAGS_END_OF_LIST | 1452 MPI_SGE_FLAGS_END_OF_BUFFER; 1453 } 1454 MPI_pSGE_SET_FLAGS(se, tf); 1455 se->FlagsLength = htole32(se->FlagsLength); 1456 } 1457 1458 if (seg == nseg) { 1459 goto out; 1460 } 1461 1462 /* 1463 * Tell the IOC where to find the first chain element. 1464 */ 1465 hdrp->ChainOffset = ((char *)se - (char *)hdrp) >> 2; 1466 nxt_off = MPT_RQSL(mpt); 1467 trq = req; 1468 1469 /* 1470 * Make up the rest of the data segments out of a chain element 1471 * (contiained in the current request frame) which points to 1472 * SIMPLE64 elements in the next request frame, possibly ending 1473 * with *another* chain element (if there's more). 1474 */ 1475 while (seg < nseg) { 1476 int this_seg_lim; 1477 uint32_t tf, cur_off; 1478 bus_addr_t chain_list_addr; 1479 1480 /* 1481 * Point to the chain descriptor. Note that the chain 1482 * descriptor is at the end of the *previous* list (whether 1483 * chain or simple). 1484 */ 1485 ce = (SGE_CHAIN64 *) se; 1486 1487 /* 1488 * Before we change our current pointer, make sure we won't 1489 * overflow the request area with this frame. Note that we 1490 * test against 'greater than' here as it's okay in this case 1491 * to have next offset be just outside the request area. 1492 */ 1493 if ((nxt_off + MPT_RQSL(mpt)) > MPT_REQUEST_AREA) { 1494 nxt_off = MPT_REQUEST_AREA; 1495 goto next_chain; 1496 } 1497 1498 /* 1499 * Set our SGE element pointer to the beginning of the chain 1500 * list and update our next chain list offset. 1501 */ 1502 se = (SGE_SIMPLE64 *) &mpt_off[nxt_off]; 1503 cur_off = nxt_off; 1504 nxt_off += MPT_RQSL(mpt); 1505 1506 /* 1507 * Now initialized the chain descriptor. 1508 */ 1509 memset(ce, 0, sizeof (*ce)); 1510 1511 /* 1512 * Get the physical address of the chain list. 1513 */ 1514 chain_list_addr = trq->req_pbuf; 1515 chain_list_addr += cur_off; 1516 if (sizeof (bus_addr_t) > 4) { 1517 ce->Address.High = 1518 htole32(((uint64_t)chain_list_addr) >> 32); 1519 } 1520 ce->Address.Low = htole32(chain_list_addr & 0xffffffff); 1521 ce->Flags = MPI_SGE_FLAGS_CHAIN_ELEMENT | 1522 MPI_SGE_FLAGS_64_BIT_ADDRESSING; 1523 1524 /* 1525 * If we have more than a frame's worth of segments left, 1526 * set up the chain list to have the last element be another 1527 * chain descriptor. 1528 */ 1529 if ((nseg - seg) > MPT_NSGL(mpt)) { 1530 this_seg_lim = seg + MPT_NSGL(mpt) - 1; 1531 /* 1532 * The length of the chain is the length in bytes of the 1533 * number of segments plus the next chain element. 1534 * 1535 * The next chain descriptor offset is the length, 1536 * in words, of the number of segments. 1537 */ 1538 ce->Length = (this_seg_lim - seg) * 1539 sizeof (SGE_SIMPLE64); 1540 ce->NextChainOffset = ce->Length >> 2; 1541 ce->Length += sizeof (SGE_CHAIN64); 1542 } else { 1543 this_seg_lim = nseg; 1544 ce->Length = (this_seg_lim - seg) * 1545 sizeof (SGE_SIMPLE64); 1546 } 1547 ce->Length = htole16(ce->Length); 1548 1549 /* 1550 * Fill in the chain list SGE elements with our segment data. 1551 * 1552 * If we're the last element in this chain list, set the last 1553 * element flag. If we're the completely last element period, 1554 * set the end of list and end of buffer flags. 1555 */ 1556 while (seg < this_seg_lim) { 1557 memset(se, 0, sizeof (*se)); 1558 se->Address.Low = htole32(dm_segs->ds_addr & 1559 0xffffffff); 1560 if (sizeof (bus_addr_t) > 4) { 1561 se->Address.High = 1562 htole32(((uint64_t)dm_segs->ds_addr) >> 32); 1563 } 1564 MPI_pSGE_SET_LENGTH(se, dm_segs->ds_len); 1565 tf = flags; 1566 if (seg == this_seg_lim - 1) { 1567 tf |= MPI_SGE_FLAGS_LAST_ELEMENT; 1568 } 1569 if (seg == nseg - 1) { 1570 tf |= MPI_SGE_FLAGS_END_OF_LIST | 1571 MPI_SGE_FLAGS_END_OF_BUFFER; 1572 } 1573 MPI_pSGE_SET_FLAGS(se, tf); 1574 se->FlagsLength = htole32(se->FlagsLength); 1575 se++; 1576 seg++; 1577 dm_segs++; 1578 } 1579 1580 next_chain: 1581 /* 1582 * If we have more segments to do and we've used up all of 1583 * the space in a request area, go allocate another one 1584 * and chain to that. 1585 */ 1586 if (seg < nseg && nxt_off >= MPT_REQUEST_AREA) { 1587 request_t *nrq; 1588 1589 CAMLOCK_2_MPTLOCK(mpt); 1590 nrq = mpt_get_request(mpt, FALSE); 1591 MPTLOCK_2_CAMLOCK(mpt); 1592 1593 if (nrq == NULL) { 1594 error = ENOMEM; 1595 goto bad; 1596 } 1597 1598 /* 1599 * Append the new request area on the tail of our list. 1600 */ 1601 if ((trq = req->chain) == NULL) { 1602 req->chain = nrq; 1603 } else { 1604 while (trq->chain != NULL) { 1605 trq = trq->chain; 1606 } 1607 trq->chain = nrq; 1608 } 1609 trq = nrq; 1610 mpt_off = trq->req_vbuf; 1611 if (mpt->verbose >= MPT_PRT_DEBUG) { 1612 memset(mpt_off, 0xff, MPT_REQUEST_AREA); 1613 } 1614 nxt_off = 0; 1615 } 1616 } 1617 out: 1618 1619 /* 1620 * Last time we need to check if this CCB needs to be aborted. 1621 */ 1622 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_INPROG) { 1623 if (hdrp->Function == MPI_FUNCTION_TARGET_ASSIST) { 1624 request_t *cmd_req = 1625 MPT_TAG_2_REQ(mpt, ccb->csio.tag_id); 1626 MPT_TGT_STATE(mpt, cmd_req)->state = TGT_STATE_IN_CAM; 1627 MPT_TGT_STATE(mpt, cmd_req)->ccb = NULL; 1628 MPT_TGT_STATE(mpt, cmd_req)->req = NULL; 1629 } 1630 mpt_prt(mpt, 1631 "mpt_execute_req_a64: I/O cancelled (status 0x%x)\n", 1632 ccb->ccb_h.status & CAM_STATUS_MASK); 1633 if (nseg && (ccb->ccb_h.flags & CAM_SG_LIST_PHYS) == 0) { 1634 bus_dmamap_unload(mpt->buffer_dmat, req->dmap); 1635 } 1636 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 1637 KASSERT(ccb->ccb_h.status, ("zero ccb sts at %d\n", __LINE__)); 1638 xpt_done(ccb); 1639 CAMLOCK_2_MPTLOCK(mpt); 1640 mpt_free_request(mpt, req); 1641 MPTLOCK_2_CAMLOCK(mpt); 1642 return; 1643 } 1644 1645 ccb->ccb_h.status |= CAM_SIM_QUEUED; 1646 if (ccb->ccb_h.timeout != CAM_TIME_INFINITY) { 1647 mpt_req_timeout(req, (ccb->ccb_h.timeout * hz) / 1000, 1648 mpt_timeout, ccb); 1649 } 1650 if (mpt->verbose > MPT_PRT_DEBUG) { 1651 int nc = 0; 1652 mpt_print_request(req->req_vbuf); 1653 for (trq = req->chain; trq; trq = trq->chain) { 1654 printf(" Additional Chain Area %d\n", nc++); 1655 mpt_dump_sgl(trq->req_vbuf, 0); 1656 } 1657 } 1658 1659 if (hdrp->Function == MPI_FUNCTION_TARGET_ASSIST) { 1660 request_t *cmd_req = MPT_TAG_2_REQ(mpt, ccb->csio.tag_id); 1661 mpt_tgt_state_t *tgt = MPT_TGT_STATE(mpt, cmd_req); 1662 #ifdef WE_TRUST_AUTO_GOOD_STATUS 1663 if ((ccb->ccb_h.flags & CAM_SEND_STATUS) && 1664 csio->scsi_status == SCSI_STATUS_OK && tgt->resid == 0) { 1665 tgt->state = TGT_STATE_MOVING_DATA_AND_STATUS; 1666 } else { 1667 tgt->state = TGT_STATE_MOVING_DATA; 1668 } 1669 #else 1670 tgt->state = TGT_STATE_MOVING_DATA; 1671 #endif 1672 } 1673 CAMLOCK_2_MPTLOCK(mpt); 1674 mpt_send_cmd(mpt, req); 1675 MPTLOCK_2_CAMLOCK(mpt); 1676 } 1677 1678 static void 1679 mpt_execute_req(void *arg, bus_dma_segment_t *dm_segs, int nseg, int error) 1680 { 1681 request_t *req, *trq; 1682 char *mpt_off; 1683 union ccb *ccb; 1684 struct mpt_softc *mpt; 1685 int seg, first_lim; 1686 uint32_t flags, nxt_off; 1687 void *sglp = NULL; 1688 MSG_REQUEST_HEADER *hdrp; 1689 SGE_SIMPLE32 *se; 1690 SGE_CHAIN32 *ce; 1691 int istgt = 0; 1692 1693 req = (request_t *)arg; 1694 ccb = req->ccb; 1695 1696 mpt = ccb->ccb_h.ccb_mpt_ptr; 1697 req = ccb->ccb_h.ccb_req_ptr; 1698 1699 hdrp = req->req_vbuf; 1700 mpt_off = req->req_vbuf; 1701 1702 1703 if (error == 0 && ((uint32_t)nseg) >= mpt->max_seg_cnt) { 1704 error = EFBIG; 1705 } 1706 1707 if (error == 0) { 1708 switch (hdrp->Function) { 1709 case MPI_FUNCTION_SCSI_IO_REQUEST: 1710 case MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH: 1711 sglp = &((PTR_MSG_SCSI_IO_REQUEST)hdrp)->SGL; 1712 break; 1713 case MPI_FUNCTION_TARGET_ASSIST: 1714 istgt = 1; 1715 sglp = &((PTR_MSG_TARGET_ASSIST_REQUEST)hdrp)->SGL; 1716 break; 1717 default: 1718 mpt_prt(mpt, "bad fct 0x%x in mpt_execute_req\n", 1719 hdrp->Function); 1720 error = EINVAL; 1721 break; 1722 } 1723 } 1724 1725 if (error == 0 && ((uint32_t)nseg) >= mpt->max_seg_cnt) { 1726 error = EFBIG; 1727 mpt_prt(mpt, "segment count %d too large (max %u)\n", 1728 nseg, mpt->max_seg_cnt); 1729 } 1730 1731 bad: 1732 if (error != 0) { 1733 if (error != EFBIG && error != ENOMEM) { 1734 mpt_prt(mpt, "mpt_execute_req: err %d\n", error); 1735 } 1736 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INPROG) { 1737 cam_status status; 1738 mpt_freeze_ccb(ccb); 1739 if (error == EFBIG) { 1740 status = CAM_REQ_TOO_BIG; 1741 } else if (error == ENOMEM) { 1742 if (mpt->outofbeer == 0) { 1743 mpt->outofbeer = 1; 1744 xpt_freeze_simq(mpt->sim, 1); 1745 mpt_lprt(mpt, MPT_PRT_DEBUG, 1746 "FREEZEQ\n"); 1747 } 1748 status = CAM_REQUEUE_REQ; 1749 } else { 1750 status = CAM_REQ_CMP_ERR; 1751 } 1752 mpt_set_ccb_status(ccb, status); 1753 } 1754 if (hdrp->Function == MPI_FUNCTION_TARGET_ASSIST) { 1755 request_t *cmd_req = 1756 MPT_TAG_2_REQ(mpt, ccb->csio.tag_id); 1757 MPT_TGT_STATE(mpt, cmd_req)->state = TGT_STATE_IN_CAM; 1758 MPT_TGT_STATE(mpt, cmd_req)->ccb = NULL; 1759 MPT_TGT_STATE(mpt, cmd_req)->req = NULL; 1760 } 1761 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 1762 KASSERT(ccb->ccb_h.status, ("zero ccb sts at %d\n", __LINE__)); 1763 xpt_done(ccb); 1764 CAMLOCK_2_MPTLOCK(mpt); 1765 mpt_free_request(mpt, req); 1766 MPTLOCK_2_CAMLOCK(mpt); 1767 return; 1768 } 1769 1770 /* 1771 * No data to transfer? 1772 * Just make a single simple SGL with zero length. 1773 */ 1774 1775 if (mpt->verbose >= MPT_PRT_DEBUG) { 1776 int tidx = ((char *)sglp) - mpt_off; 1777 memset(&mpt_off[tidx], 0xff, MPT_REQUEST_AREA - tidx); 1778 } 1779 1780 if (nseg == 0) { 1781 SGE_SIMPLE32 *se1 = (SGE_SIMPLE32 *) sglp; 1782 MPI_pSGE_SET_FLAGS(se1, 1783 (MPI_SGE_FLAGS_LAST_ELEMENT | MPI_SGE_FLAGS_END_OF_BUFFER | 1784 MPI_SGE_FLAGS_SIMPLE_ELEMENT | MPI_SGE_FLAGS_END_OF_LIST)); 1785 se1->FlagsLength = htole32(se1->FlagsLength); 1786 goto out; 1787 } 1788 1789 1790 flags = MPI_SGE_FLAGS_SIMPLE_ELEMENT; 1791 if (istgt == 0) { 1792 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_OUT) { 1793 flags |= MPI_SGE_FLAGS_HOST_TO_IOC; 1794 } 1795 } else { 1796 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 1797 flags |= MPI_SGE_FLAGS_HOST_TO_IOC; 1798 } 1799 } 1800 1801 if (!(ccb->ccb_h.flags & (CAM_SG_LIST_PHYS|CAM_DATA_PHYS))) { 1802 bus_dmasync_op_t op; 1803 if (istgt) { 1804 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 1805 op = BUS_DMASYNC_PREREAD; 1806 } else { 1807 op = BUS_DMASYNC_PREWRITE; 1808 } 1809 } else { 1810 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 1811 op = BUS_DMASYNC_PREWRITE; 1812 } else { 1813 op = BUS_DMASYNC_PREREAD; 1814 } 1815 } 1816 bus_dmamap_sync(mpt->buffer_dmat, req->dmap, op); 1817 } 1818 1819 /* 1820 * Okay, fill in what we can at the end of the command frame. 1821 * If we have up to MPT_NSGL_FIRST, we can fit them all into 1822 * the command frame. 1823 * 1824 * Otherwise, we fill up through MPT_NSGL_FIRST less one 1825 * SIMPLE32 pointers and start doing CHAIN32 entries after 1826 * that. 1827 */ 1828 1829 if (nseg < MPT_NSGL_FIRST(mpt)) { 1830 first_lim = nseg; 1831 } else { 1832 /* 1833 * Leave room for CHAIN element 1834 */ 1835 first_lim = MPT_NSGL_FIRST(mpt) - 1; 1836 } 1837 1838 se = (SGE_SIMPLE32 *) sglp; 1839 for (seg = 0; seg < first_lim; seg++, se++, dm_segs++) { 1840 uint32_t tf; 1841 1842 memset(se, 0,sizeof (*se)); 1843 se->Address = htole32(dm_segs->ds_addr); 1844 1845 MPI_pSGE_SET_LENGTH(se, dm_segs->ds_len); 1846 tf = flags; 1847 if (seg == first_lim - 1) { 1848 tf |= MPI_SGE_FLAGS_LAST_ELEMENT; 1849 } 1850 if (seg == nseg - 1) { 1851 tf |= MPI_SGE_FLAGS_END_OF_LIST | 1852 MPI_SGE_FLAGS_END_OF_BUFFER; 1853 } 1854 MPI_pSGE_SET_FLAGS(se, tf); 1855 se->FlagsLength = htole32(se->FlagsLength); 1856 } 1857 1858 if (seg == nseg) { 1859 goto out; 1860 } 1861 1862 /* 1863 * Tell the IOC where to find the first chain element. 1864 */ 1865 hdrp->ChainOffset = ((char *)se - (char *)hdrp) >> 2; 1866 nxt_off = MPT_RQSL(mpt); 1867 trq = req; 1868 1869 /* 1870 * Make up the rest of the data segments out of a chain element 1871 * (contiained in the current request frame) which points to 1872 * SIMPLE32 elements in the next request frame, possibly ending 1873 * with *another* chain element (if there's more). 1874 */ 1875 while (seg < nseg) { 1876 int this_seg_lim; 1877 uint32_t tf, cur_off; 1878 bus_addr_t chain_list_addr; 1879 1880 /* 1881 * Point to the chain descriptor. Note that the chain 1882 * descriptor is at the end of the *previous* list (whether 1883 * chain or simple). 1884 */ 1885 ce = (SGE_CHAIN32 *) se; 1886 1887 /* 1888 * Before we change our current pointer, make sure we won't 1889 * overflow the request area with this frame. Note that we 1890 * test against 'greater than' here as it's okay in this case 1891 * to have next offset be just outside the request area. 1892 */ 1893 if ((nxt_off + MPT_RQSL(mpt)) > MPT_REQUEST_AREA) { 1894 nxt_off = MPT_REQUEST_AREA; 1895 goto next_chain; 1896 } 1897 1898 /* 1899 * Set our SGE element pointer to the beginning of the chain 1900 * list and update our next chain list offset. 1901 */ 1902 se = (SGE_SIMPLE32 *) &mpt_off[nxt_off]; 1903 cur_off = nxt_off; 1904 nxt_off += MPT_RQSL(mpt); 1905 1906 /* 1907 * Now initialized the chain descriptor. 1908 */ 1909 memset(ce, 0, sizeof (*ce)); 1910 1911 /* 1912 * Get the physical address of the chain list. 1913 */ 1914 chain_list_addr = trq->req_pbuf; 1915 chain_list_addr += cur_off; 1916 1917 1918 1919 ce->Address = htole32(chain_list_addr); 1920 ce->Flags = MPI_SGE_FLAGS_CHAIN_ELEMENT; 1921 1922 1923 /* 1924 * If we have more than a frame's worth of segments left, 1925 * set up the chain list to have the last element be another 1926 * chain descriptor. 1927 */ 1928 if ((nseg - seg) > MPT_NSGL(mpt)) { 1929 this_seg_lim = seg + MPT_NSGL(mpt) - 1; 1930 /* 1931 * The length of the chain is the length in bytes of the 1932 * number of segments plus the next chain element. 1933 * 1934 * The next chain descriptor offset is the length, 1935 * in words, of the number of segments. 1936 */ 1937 ce->Length = (this_seg_lim - seg) * 1938 sizeof (SGE_SIMPLE32); 1939 ce->NextChainOffset = ce->Length >> 2; 1940 ce->Length += sizeof (SGE_CHAIN32); 1941 } else { 1942 this_seg_lim = nseg; 1943 ce->Length = (this_seg_lim - seg) * 1944 sizeof (SGE_SIMPLE32); 1945 } 1946 ce->Length = htole16(ce->Length); 1947 1948 /* 1949 * Fill in the chain list SGE elements with our segment data. 1950 * 1951 * If we're the last element in this chain list, set the last 1952 * element flag. If we're the completely last element period, 1953 * set the end of list and end of buffer flags. 1954 */ 1955 while (seg < this_seg_lim) { 1956 memset(se, 0, sizeof (*se)); 1957 se->Address = htole32(dm_segs->ds_addr); 1958 1959 MPI_pSGE_SET_LENGTH(se, dm_segs->ds_len); 1960 tf = flags; 1961 if (seg == this_seg_lim - 1) { 1962 tf |= MPI_SGE_FLAGS_LAST_ELEMENT; 1963 } 1964 if (seg == nseg - 1) { 1965 tf |= MPI_SGE_FLAGS_END_OF_LIST | 1966 MPI_SGE_FLAGS_END_OF_BUFFER; 1967 } 1968 MPI_pSGE_SET_FLAGS(se, tf); 1969 se->FlagsLength = htole32(se->FlagsLength); 1970 se++; 1971 seg++; 1972 dm_segs++; 1973 } 1974 1975 next_chain: 1976 /* 1977 * If we have more segments to do and we've used up all of 1978 * the space in a request area, go allocate another one 1979 * and chain to that. 1980 */ 1981 if (seg < nseg && nxt_off >= MPT_REQUEST_AREA) { 1982 request_t *nrq; 1983 1984 CAMLOCK_2_MPTLOCK(mpt); 1985 nrq = mpt_get_request(mpt, FALSE); 1986 MPTLOCK_2_CAMLOCK(mpt); 1987 1988 if (nrq == NULL) { 1989 error = ENOMEM; 1990 goto bad; 1991 } 1992 1993 /* 1994 * Append the new request area on the tail of our list. 1995 */ 1996 if ((trq = req->chain) == NULL) { 1997 req->chain = nrq; 1998 } else { 1999 while (trq->chain != NULL) { 2000 trq = trq->chain; 2001 } 2002 trq->chain = nrq; 2003 } 2004 trq = nrq; 2005 mpt_off = trq->req_vbuf; 2006 if (mpt->verbose >= MPT_PRT_DEBUG) { 2007 memset(mpt_off, 0xff, MPT_REQUEST_AREA); 2008 } 2009 nxt_off = 0; 2010 } 2011 } 2012 out: 2013 2014 /* 2015 * Last time we need to check if this CCB needs to be aborted. 2016 */ 2017 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_INPROG) { 2018 if (hdrp->Function == MPI_FUNCTION_TARGET_ASSIST) { 2019 request_t *cmd_req = 2020 MPT_TAG_2_REQ(mpt, ccb->csio.tag_id); 2021 MPT_TGT_STATE(mpt, cmd_req)->state = TGT_STATE_IN_CAM; 2022 MPT_TGT_STATE(mpt, cmd_req)->ccb = NULL; 2023 MPT_TGT_STATE(mpt, cmd_req)->req = NULL; 2024 } 2025 mpt_prt(mpt, 2026 "mpt_execute_req: I/O cancelled (status 0x%x)\n", 2027 ccb->ccb_h.status & CAM_STATUS_MASK); 2028 if (nseg && (ccb->ccb_h.flags & CAM_SG_LIST_PHYS) == 0) { 2029 bus_dmamap_unload(mpt->buffer_dmat, req->dmap); 2030 } 2031 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 2032 KASSERT(ccb->ccb_h.status, ("zero ccb sts at %d\n", __LINE__)); 2033 xpt_done(ccb); 2034 CAMLOCK_2_MPTLOCK(mpt); 2035 mpt_free_request(mpt, req); 2036 MPTLOCK_2_CAMLOCK(mpt); 2037 return; 2038 } 2039 2040 ccb->ccb_h.status |= CAM_SIM_QUEUED; 2041 if (ccb->ccb_h.timeout != CAM_TIME_INFINITY) { 2042 mpt_req_timeout(req, (ccb->ccb_h.timeout * hz) / 1000, 2043 mpt_timeout, ccb); 2044 } 2045 if (mpt->verbose > MPT_PRT_DEBUG) { 2046 int nc = 0; 2047 mpt_print_request(req->req_vbuf); 2048 for (trq = req->chain; trq; trq = trq->chain) { 2049 printf(" Additional Chain Area %d\n", nc++); 2050 mpt_dump_sgl(trq->req_vbuf, 0); 2051 } 2052 } 2053 2054 if (hdrp->Function == MPI_FUNCTION_TARGET_ASSIST) { 2055 request_t *cmd_req = MPT_TAG_2_REQ(mpt, ccb->csio.tag_id); 2056 mpt_tgt_state_t *tgt = MPT_TGT_STATE(mpt, cmd_req); 2057 #ifdef WE_TRUST_AUTO_GOOD_STATUS 2058 if ((ccb->ccb_h.flags & CAM_SEND_STATUS) && 2059 csio->scsi_status == SCSI_STATUS_OK && tgt->resid == 0) { 2060 tgt->state = TGT_STATE_MOVING_DATA_AND_STATUS; 2061 } else { 2062 tgt->state = TGT_STATE_MOVING_DATA; 2063 } 2064 #else 2065 tgt->state = TGT_STATE_MOVING_DATA; 2066 #endif 2067 } 2068 CAMLOCK_2_MPTLOCK(mpt); 2069 mpt_send_cmd(mpt, req); 2070 MPTLOCK_2_CAMLOCK(mpt); 2071 } 2072 2073 static void 2074 mpt_start(struct cam_sim *sim, union ccb *ccb) 2075 { 2076 request_t *req; 2077 struct mpt_softc *mpt; 2078 MSG_SCSI_IO_REQUEST *mpt_req; 2079 struct ccb_scsiio *csio = &ccb->csio; 2080 struct ccb_hdr *ccbh = &ccb->ccb_h; 2081 bus_dmamap_callback_t *cb; 2082 target_id_t tgt; 2083 int raid_passthru; 2084 2085 /* Get the pointer for the physical addapter */ 2086 mpt = ccb->ccb_h.ccb_mpt_ptr; 2087 raid_passthru = (sim == mpt->phydisk_sim); 2088 2089 CAMLOCK_2_MPTLOCK(mpt); 2090 if ((req = mpt_get_request(mpt, FALSE)) == NULL) { 2091 if (mpt->outofbeer == 0) { 2092 mpt->outofbeer = 1; 2093 xpt_freeze_simq(mpt->sim, 1); 2094 mpt_lprt(mpt, MPT_PRT_DEBUG, "FREEZEQ\n"); 2095 } 2096 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 2097 mpt_set_ccb_status(ccb, CAM_REQUEUE_REQ); 2098 MPTLOCK_2_CAMLOCK(mpt); 2099 xpt_done(ccb); 2100 return; 2101 } 2102 #ifdef INVARIANTS 2103 mpt_req_not_spcl(mpt, req, "mpt_start", __LINE__); 2104 #endif 2105 MPTLOCK_2_CAMLOCK(mpt); 2106 2107 if (sizeof (bus_addr_t) > 4) { 2108 cb = mpt_execute_req_a64; 2109 } else { 2110 cb = mpt_execute_req; 2111 } 2112 2113 /* 2114 * Link the ccb and the request structure so we can find 2115 * the other knowing either the request or the ccb 2116 */ 2117 req->ccb = ccb; 2118 ccb->ccb_h.ccb_req_ptr = req; 2119 2120 /* Now we build the command for the IOC */ 2121 mpt_req = req->req_vbuf; 2122 memset(mpt_req, 0, sizeof (MSG_SCSI_IO_REQUEST)); 2123 2124 mpt_req->Function = MPI_FUNCTION_SCSI_IO_REQUEST; 2125 if (raid_passthru) { 2126 mpt_req->Function = MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH; 2127 CAMLOCK_2_MPTLOCK(mpt); 2128 if (mpt_map_physdisk(mpt, ccb, &tgt) != 0) { 2129 MPTLOCK_2_CAMLOCK(mpt); 2130 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 2131 mpt_set_ccb_status(ccb, CAM_DEV_NOT_THERE); 2132 xpt_done(ccb); 2133 return; 2134 } 2135 MPTLOCK_2_CAMLOCK(mpt); 2136 mpt_req->Bus = 0; /* we never set bus here */ 2137 } else { 2138 tgt = ccb->ccb_h.target_id; 2139 mpt_req->Bus = 0; /* XXX */ 2140 2141 } 2142 mpt_req->SenseBufferLength = 2143 (csio->sense_len < MPT_SENSE_SIZE) ? 2144 csio->sense_len : MPT_SENSE_SIZE; 2145 2146 /* 2147 * We use the message context to find the request structure when we 2148 * Get the command completion interrupt from the IOC. 2149 */ 2150 mpt_req->MsgContext = htole32(req->index | scsi_io_handler_id); 2151 2152 /* Which physical device to do the I/O on */ 2153 mpt_req->TargetID = tgt; 2154 2155 /* We assume a single level LUN type */ 2156 if (ccb->ccb_h.target_lun >= MPT_MAX_LUNS) { 2157 mpt_req->LUN[0] = 0x40 | ((ccb->ccb_h.target_lun >> 8) & 0x3f); 2158 mpt_req->LUN[1] = ccb->ccb_h.target_lun & 0xff; 2159 } else { 2160 mpt_req->LUN[1] = ccb->ccb_h.target_lun; 2161 } 2162 2163 /* Set the direction of the transfer */ 2164 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 2165 mpt_req->Control = MPI_SCSIIO_CONTROL_READ; 2166 } else if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_OUT) { 2167 mpt_req->Control = MPI_SCSIIO_CONTROL_WRITE; 2168 } else { 2169 mpt_req->Control = MPI_SCSIIO_CONTROL_NODATATRANSFER; 2170 } 2171 2172 if ((ccb->ccb_h.flags & CAM_TAG_ACTION_VALID) != 0) { 2173 switch(ccb->csio.tag_action) { 2174 case MSG_HEAD_OF_Q_TAG: 2175 mpt_req->Control |= MPI_SCSIIO_CONTROL_HEADOFQ; 2176 break; 2177 case MSG_ACA_TASK: 2178 mpt_req->Control |= MPI_SCSIIO_CONTROL_ACAQ; 2179 break; 2180 case MSG_ORDERED_Q_TAG: 2181 mpt_req->Control |= MPI_SCSIIO_CONTROL_ORDEREDQ; 2182 break; 2183 case MSG_SIMPLE_Q_TAG: 2184 default: 2185 mpt_req->Control |= MPI_SCSIIO_CONTROL_SIMPLEQ; 2186 break; 2187 } 2188 } else { 2189 if (mpt->is_fc || mpt->is_sas) { 2190 mpt_req->Control |= MPI_SCSIIO_CONTROL_SIMPLEQ; 2191 } else { 2192 /* XXX No such thing for a target doing packetized. */ 2193 mpt_req->Control |= MPI_SCSIIO_CONTROL_UNTAGGED; 2194 } 2195 } 2196 2197 if (mpt->is_spi) { 2198 if (ccb->ccb_h.flags & CAM_DIS_DISCONNECT) { 2199 mpt_req->Control |= MPI_SCSIIO_CONTROL_NO_DISCONNECT; 2200 } 2201 } 2202 mpt_req->Control = htole32(mpt_req->Control); 2203 2204 /* Copy the scsi command block into place */ 2205 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0) { 2206 bcopy(csio->cdb_io.cdb_ptr, mpt_req->CDB, csio->cdb_len); 2207 } else { 2208 bcopy(csio->cdb_io.cdb_bytes, mpt_req->CDB, csio->cdb_len); 2209 } 2210 2211 mpt_req->CDBLength = csio->cdb_len; 2212 mpt_req->DataLength = htole32(csio->dxfer_len); 2213 mpt_req->SenseBufferLowAddr = htole32(req->sense_pbuf); 2214 2215 /* 2216 * Do a *short* print here if we're set to MPT_PRT_DEBUG 2217 */ 2218 if (mpt->verbose == MPT_PRT_DEBUG) { 2219 U32 df; 2220 mpt_prt(mpt, "mpt_start: %s op 0x%x ", 2221 (mpt_req->Function == MPI_FUNCTION_SCSI_IO_REQUEST)? 2222 "SCSI_IO_REQUEST" : "SCSI_IO_PASSTHRU", mpt_req->CDB[0]); 2223 df = mpt_req->Control & MPI_SCSIIO_CONTROL_DATADIRECTION_MASK; 2224 if (df != MPI_SCSIIO_CONTROL_NODATATRANSFER) { 2225 mpt_prtc(mpt, "(%s %u byte%s ", 2226 (df == MPI_SCSIIO_CONTROL_READ)? 2227 "read" : "write", csio->dxfer_len, 2228 (csio->dxfer_len == 1)? ")" : "s)"); 2229 } 2230 mpt_prtc(mpt, "tgt %u lun %u req %p:%u\n", tgt, 2231 ccb->ccb_h.target_lun, req, req->serno); 2232 } 2233 2234 /* 2235 * If we have any data to send with this command map it into bus space. 2236 */ 2237 if ((ccbh->flags & CAM_DIR_MASK) != CAM_DIR_NONE) { 2238 if ((ccbh->flags & CAM_SCATTER_VALID) == 0) { 2239 /* 2240 * We've been given a pointer to a single buffer. 2241 */ 2242 if ((ccbh->flags & CAM_DATA_PHYS) == 0) { 2243 /* 2244 * Virtual address that needs to translated into 2245 * one or more physical address ranges. 2246 */ 2247 int error; 2248 int s = splsoftvm(); 2249 error = bus_dmamap_load(mpt->buffer_dmat, 2250 req->dmap, csio->data_ptr, csio->dxfer_len, 2251 cb, req, 0); 2252 splx(s); 2253 if (error == EINPROGRESS) { 2254 /* 2255 * So as to maintain ordering, 2256 * freeze the controller queue 2257 * until our mapping is 2258 * returned. 2259 */ 2260 xpt_freeze_simq(mpt->sim, 1); 2261 ccbh->status |= CAM_RELEASE_SIMQ; 2262 } 2263 } else { 2264 /* 2265 * We have been given a pointer to single 2266 * physical buffer. 2267 */ 2268 struct bus_dma_segment seg; 2269 seg.ds_addr = 2270 (bus_addr_t)(vm_offset_t)csio->data_ptr; 2271 seg.ds_len = csio->dxfer_len; 2272 (*cb)(req, &seg, 1, 0); 2273 } 2274 } else { 2275 /* 2276 * We have been given a list of addresses. 2277 * This case could be easily supported but they are not 2278 * currently generated by the CAM subsystem so there 2279 * is no point in wasting the time right now. 2280 */ 2281 struct bus_dma_segment *segs; 2282 if ((ccbh->flags & CAM_SG_LIST_PHYS) == 0) { 2283 (*cb)(req, NULL, 0, EFAULT); 2284 } else { 2285 /* Just use the segments provided */ 2286 segs = (struct bus_dma_segment *)csio->data_ptr; 2287 (*cb)(req, segs, csio->sglist_cnt, 0); 2288 } 2289 } 2290 } else { 2291 (*cb)(req, NULL, 0, 0); 2292 } 2293 } 2294 2295 static int 2296 mpt_bus_reset(struct mpt_softc *mpt, target_id_t tgt, lun_id_t lun, 2297 int sleep_ok) 2298 { 2299 int error; 2300 uint16_t status; 2301 uint8_t response; 2302 2303 error = mpt_scsi_send_tmf(mpt, 2304 (tgt != CAM_TARGET_WILDCARD || lun != CAM_LUN_WILDCARD) ? 2305 MPI_SCSITASKMGMT_TASKTYPE_TARGET_RESET : 2306 MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS, 2307 mpt->is_fc ? MPI_SCSITASKMGMT_MSGFLAGS_LIP_RESET_OPTION : 0, 2308 0, /* XXX How do I get the channel ID? */ 2309 tgt != CAM_TARGET_WILDCARD ? tgt : 0, 2310 lun != CAM_LUN_WILDCARD ? lun : 0, 2311 0, sleep_ok); 2312 2313 if (error != 0) { 2314 /* 2315 * mpt_scsi_send_tmf hard resets on failure, so no 2316 * need to do so here. 2317 */ 2318 mpt_prt(mpt, 2319 "mpt_bus_reset: mpt_scsi_send_tmf returned %d\n", error); 2320 return (EIO); 2321 } 2322 2323 /* Wait for bus reset to be processed by the IOC. */ 2324 error = mpt_wait_req(mpt, mpt->tmf_req, REQ_STATE_DONE, 2325 REQ_STATE_DONE, sleep_ok, 5000); 2326 2327 status = le16toh(mpt->tmf_req->IOCStatus); 2328 response = mpt->tmf_req->ResponseCode; 2329 mpt->tmf_req->state = REQ_STATE_FREE; 2330 2331 if (error) { 2332 mpt_prt(mpt, "mpt_bus_reset: Reset timed-out. " 2333 "Resetting controller.\n"); 2334 mpt_reset(mpt, TRUE); 2335 return (ETIMEDOUT); 2336 } 2337 2338 if ((status & MPI_IOCSTATUS_MASK) != MPI_IOCSTATUS_SUCCESS) { 2339 mpt_prt(mpt, "mpt_bus_reset: TMF IOC Status 0x%x. " 2340 "Resetting controller.\n", status); 2341 mpt_reset(mpt, TRUE); 2342 return (EIO); 2343 } 2344 2345 if (response != MPI_SCSITASKMGMT_RSP_TM_SUCCEEDED && 2346 response != MPI_SCSITASKMGMT_RSP_TM_COMPLETE) { 2347 mpt_prt(mpt, "mpt_bus_reset: TMF Response 0x%x. " 2348 "Resetting controller.\n", response); 2349 mpt_reset(mpt, TRUE); 2350 return (EIO); 2351 } 2352 return (0); 2353 } 2354 2355 static int 2356 mpt_fc_reset_link(struct mpt_softc *mpt, int dowait) 2357 { 2358 int r = 0; 2359 request_t *req; 2360 PTR_MSG_FC_PRIMITIVE_SEND_REQUEST fc; 2361 2362 req = mpt_get_request(mpt, FALSE); 2363 if (req == NULL) { 2364 return (ENOMEM); 2365 } 2366 fc = req->req_vbuf; 2367 memset(fc, 0, sizeof(*fc)); 2368 fc->SendFlags = MPI_FC_PRIM_SEND_FLAGS_RESET_LINK; 2369 fc->Function = MPI_FUNCTION_FC_PRIMITIVE_SEND; 2370 fc->MsgContext = htole32(req->index | fc_els_handler_id); 2371 mpt_send_cmd(mpt, req); 2372 if (dowait) { 2373 r = mpt_wait_req(mpt, req, REQ_STATE_DONE, 2374 REQ_STATE_DONE, FALSE, 60 * 1000); 2375 if (r == 0) { 2376 mpt_free_request(mpt, req); 2377 } 2378 } 2379 return (r); 2380 } 2381 2382 static int 2383 mpt_cam_event(struct mpt_softc *mpt, request_t *req, 2384 MSG_EVENT_NOTIFY_REPLY *msg) 2385 { 2386 uint32_t data0, data1; 2387 2388 data0 = le32toh(msg->Data[0]); 2389 data1 = le32toh(msg->Data[1]); 2390 switch(msg->Event & 0xFF) { 2391 case MPI_EVENT_UNIT_ATTENTION: 2392 mpt_prt(mpt, "UNIT ATTENTION: Bus: 0x%02x TargetID: 0x%02x\n", 2393 (data0 >> 8) & 0xff, data0 & 0xff); 2394 break; 2395 2396 case MPI_EVENT_IOC_BUS_RESET: 2397 /* We generated a bus reset */ 2398 mpt_prt(mpt, "IOC Generated Bus Reset Port: %d\n", 2399 (data0 >> 8) & 0xff); 2400 xpt_async(AC_BUS_RESET, mpt->path, NULL); 2401 break; 2402 2403 case MPI_EVENT_EXT_BUS_RESET: 2404 /* Someone else generated a bus reset */ 2405 mpt_prt(mpt, "External Bus Reset Detected\n"); 2406 /* 2407 * These replies don't return EventData like the MPI 2408 * spec says they do 2409 */ 2410 xpt_async(AC_BUS_RESET, mpt->path, NULL); 2411 break; 2412 2413 case MPI_EVENT_RESCAN: 2414 #if __FreeBSD_version >= 600000 2415 { 2416 union ccb *ccb; 2417 uint32_t pathid; 2418 /* 2419 * In general this means a device has been added to the loop. 2420 */ 2421 mpt_prt(mpt, "Rescan Port: %d\n", (data0 >> 8) & 0xff); 2422 if (mpt->ready == 0) { 2423 break; 2424 } 2425 if (mpt->phydisk_sim) { 2426 pathid = cam_sim_path(mpt->phydisk_sim); 2427 } else { 2428 pathid = cam_sim_path(mpt->sim); 2429 } 2430 MPTLOCK_2_CAMLOCK(mpt); 2431 /* 2432 * Allocate a CCB, create a wildcard path for this bus, 2433 * and schedule a rescan. 2434 */ 2435 ccb = xpt_alloc_ccb_nowait(); 2436 if (ccb == NULL) { 2437 mpt_prt(mpt, "unable to alloc CCB for rescan\n"); 2438 CAMLOCK_2_MPTLOCK(mpt); 2439 break; 2440 } 2441 2442 if (xpt_create_path(&ccb->ccb_h.path, xpt_periph, pathid, 2443 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 2444 CAMLOCK_2_MPTLOCK(mpt); 2445 mpt_prt(mpt, "unable to create path for rescan\n"); 2446 xpt_free_ccb(ccb); 2447 break; 2448 } 2449 xpt_rescan(ccb); 2450 CAMLOCK_2_MPTLOCK(mpt); 2451 break; 2452 } 2453 #else 2454 mpt_prt(mpt, "Rescan Port: %d\n", (data0 >> 8) & 0xff); 2455 break; 2456 #endif 2457 case MPI_EVENT_LINK_STATUS_CHANGE: 2458 mpt_prt(mpt, "Port %d: LinkState: %s\n", 2459 (data1 >> 8) & 0xff, 2460 ((data0 & 0xff) == 0)? "Failed" : "Active"); 2461 break; 2462 2463 case MPI_EVENT_LOOP_STATE_CHANGE: 2464 switch ((data0 >> 16) & 0xff) { 2465 case 0x01: 2466 mpt_prt(mpt, 2467 "Port 0x%x: FC LinkEvent: LIP(%02x,%02x) " 2468 "(Loop Initialization)\n", 2469 (data1 >> 8) & 0xff, 2470 (data0 >> 8) & 0xff, 2471 (data0 ) & 0xff); 2472 switch ((data0 >> 8) & 0xff) { 2473 case 0xF7: 2474 if ((data0 & 0xff) == 0xF7) { 2475 mpt_prt(mpt, "Device needs AL_PA\n"); 2476 } else { 2477 mpt_prt(mpt, "Device %02x doesn't like " 2478 "FC performance\n", 2479 data0 & 0xFF); 2480 } 2481 break; 2482 case 0xF8: 2483 if ((data0 & 0xff) == 0xF7) { 2484 mpt_prt(mpt, "Device had loop failure " 2485 "at its receiver prior to acquiring" 2486 " AL_PA\n"); 2487 } else { 2488 mpt_prt(mpt, "Device %02x detected loop" 2489 " failure at its receiver\n", 2490 data0 & 0xFF); 2491 } 2492 break; 2493 default: 2494 mpt_prt(mpt, "Device %02x requests that device " 2495 "%02x reset itself\n", 2496 data0 & 0xFF, 2497 (data0 >> 8) & 0xFF); 2498 break; 2499 } 2500 break; 2501 case 0x02: 2502 mpt_prt(mpt, "Port 0x%x: FC LinkEvent: " 2503 "LPE(%02x,%02x) (Loop Port Enable)\n", 2504 (data1 >> 8) & 0xff, /* Port */ 2505 (data0 >> 8) & 0xff, /* Character 3 */ 2506 (data0 ) & 0xff /* Character 4 */); 2507 break; 2508 case 0x03: 2509 mpt_prt(mpt, "Port 0x%x: FC LinkEvent: " 2510 "LPB(%02x,%02x) (Loop Port Bypass)\n", 2511 (data1 >> 8) & 0xff, /* Port */ 2512 (data0 >> 8) & 0xff, /* Character 3 */ 2513 (data0 ) & 0xff /* Character 4 */); 2514 break; 2515 default: 2516 mpt_prt(mpt, "Port 0x%x: FC LinkEvent: Unknown " 2517 "FC event (%02x %02x %02x)\n", 2518 (data1 >> 8) & 0xff, /* Port */ 2519 (data0 >> 16) & 0xff, /* Event */ 2520 (data0 >> 8) & 0xff, /* Character 3 */ 2521 (data0 ) & 0xff /* Character 4 */); 2522 } 2523 break; 2524 2525 case MPI_EVENT_LOGOUT: 2526 mpt_prt(mpt, "FC Logout Port: %d N_PortID: %02x\n", 2527 (data1 >> 8) & 0xff, data0); 2528 break; 2529 case MPI_EVENT_QUEUE_FULL: 2530 { 2531 struct cam_sim *sim; 2532 struct cam_path *tmppath; 2533 struct ccb_relsim crs; 2534 PTR_EVENT_DATA_QUEUE_FULL pqf; 2535 lun_id_t lun_id; 2536 2537 pqf = (PTR_EVENT_DATA_QUEUE_FULL)msg->Data; 2538 pqf->CurrentDepth = le16toh(pqf->CurrentDepth); 2539 mpt_prt(mpt, "QUEUE FULL EVENT: Bus 0x%02x Target 0x%02x Depth " 2540 "%d\n", pqf->Bus, pqf->TargetID, pqf->CurrentDepth); 2541 if (mpt->phydisk_sim && mpt_is_raid_member(mpt, 2542 pqf->TargetID) != 0) { 2543 sim = mpt->phydisk_sim; 2544 } else { 2545 sim = mpt->sim; 2546 } 2547 MPTLOCK_2_CAMLOCK(mpt); 2548 for (lun_id = 0; lun_id < MPT_MAX_LUNS; lun_id++) { 2549 if (xpt_create_path(&tmppath, NULL, cam_sim_path(sim), 2550 pqf->TargetID, lun_id) != CAM_REQ_CMP) { 2551 mpt_prt(mpt, "unable to create a path to send " 2552 "XPT_REL_SIMQ"); 2553 CAMLOCK_2_MPTLOCK(mpt); 2554 break; 2555 } 2556 xpt_setup_ccb(&crs.ccb_h, tmppath, 5); 2557 crs.ccb_h.func_code = XPT_REL_SIMQ; 2558 crs.ccb_h.flags = CAM_DEV_QFREEZE; 2559 crs.release_flags = RELSIM_ADJUST_OPENINGS; 2560 crs.openings = pqf->CurrentDepth - 1; 2561 xpt_action((union ccb *)&crs); 2562 if (crs.ccb_h.status != CAM_REQ_CMP) { 2563 mpt_prt(mpt, "XPT_REL_SIMQ failed\n"); 2564 } 2565 xpt_free_path(tmppath); 2566 } 2567 CAMLOCK_2_MPTLOCK(mpt); 2568 break; 2569 } 2570 case MPI_EVENT_IR_RESYNC_UPDATE: 2571 mpt_prt(mpt, "IR resync update %d completed\n", 2572 (data0 >> 16) & 0xff); 2573 break; 2574 case MPI_EVENT_SAS_DEVICE_STATUS_CHANGE: 2575 { 2576 union ccb *ccb; 2577 struct cam_sim *sim; 2578 struct cam_path *tmppath; 2579 PTR_EVENT_DATA_SAS_DEVICE_STATUS_CHANGE psdsc; 2580 2581 psdsc = (PTR_EVENT_DATA_SAS_DEVICE_STATUS_CHANGE)msg->Data; 2582 if (mpt->phydisk_sim && mpt_is_raid_member(mpt, 2583 psdsc->TargetID) != 0) 2584 sim = mpt->phydisk_sim; 2585 else 2586 sim = mpt->sim; 2587 switch(psdsc->ReasonCode) { 2588 case MPI_EVENT_SAS_DEV_STAT_RC_ADDED: 2589 MPTLOCK_2_CAMLOCK(mpt); 2590 ccb = xpt_alloc_ccb_nowait(); 2591 if (ccb == NULL) { 2592 mpt_prt(mpt, 2593 "unable to alloc CCB for rescan\n"); 2594 CAMLOCK_2_MPTLOCK(mpt); 2595 break; 2596 } 2597 if (xpt_create_path(&ccb->ccb_h.path, xpt_periph, 2598 cam_sim_path(sim), psdsc->TargetID, 2599 CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 2600 CAMLOCK_2_MPTLOCK(mpt); 2601 mpt_prt(mpt, 2602 "unable to create path for rescan\n"); 2603 xpt_free_ccb(ccb); 2604 break; 2605 } 2606 xpt_rescan(ccb); 2607 CAMLOCK_2_MPTLOCK(mpt); 2608 break; 2609 case MPI_EVENT_SAS_DEV_STAT_RC_NOT_RESPONDING: 2610 MPTLOCK_2_CAMLOCK(mpt); 2611 if (xpt_create_path(&tmppath, NULL, cam_sim_path(sim), 2612 psdsc->TargetID, CAM_LUN_WILDCARD) != 2613 CAM_REQ_CMP) { 2614 mpt_prt(mpt, 2615 "unable to create path for async event"); 2616 CAMLOCK_2_MPTLOCK(mpt); 2617 break; 2618 } 2619 xpt_async(AC_LOST_DEVICE, tmppath, NULL); 2620 xpt_free_path(tmppath); 2621 CAMLOCK_2_MPTLOCK(mpt); 2622 break; 2623 case MPI_EVENT_SAS_DEV_STAT_RC_CMPL_INTERNAL_DEV_RESET: 2624 case MPI_EVENT_SAS_DEV_STAT_RC_CMPL_TASK_ABORT_INTERNAL: 2625 case MPI_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET: 2626 break; 2627 default: 2628 mpt_lprt(mpt, MPT_PRT_WARN, 2629 "SAS device status change: Bus: 0x%02x TargetID: " 2630 "0x%02x ReasonCode: 0x%02x\n", psdsc->Bus, 2631 psdsc->TargetID, psdsc->ReasonCode); 2632 break; 2633 } 2634 break; 2635 } 2636 case MPI_EVENT_SAS_DISCOVERY_ERROR: 2637 { 2638 PTR_EVENT_DATA_DISCOVERY_ERROR pde; 2639 2640 pde = (PTR_EVENT_DATA_DISCOVERY_ERROR)msg->Data; 2641 pde->DiscoveryStatus = le32toh(pde->DiscoveryStatus); 2642 mpt_lprt(mpt, MPT_PRT_WARN, 2643 "SAS discovery error: Port: 0x%02x Status: 0x%08x\n", 2644 pde->Port, pde->DiscoveryStatus); 2645 break; 2646 } 2647 case MPI_EVENT_EVENT_CHANGE: 2648 case MPI_EVENT_INTEGRATED_RAID: 2649 case MPI_EVENT_IR2: 2650 case MPI_EVENT_LOG_ENTRY_ADDED: 2651 case MPI_EVENT_SAS_DISCOVERY: 2652 case MPI_EVENT_SAS_PHY_LINK_STATUS: 2653 case MPI_EVENT_SAS_SES: 2654 break; 2655 default: 2656 mpt_lprt(mpt, MPT_PRT_WARN, "mpt_cam_event: 0x%x\n", 2657 msg->Event & 0xFF); 2658 return (0); 2659 } 2660 return (1); 2661 } 2662 2663 /* 2664 * Reply path for all SCSI I/O requests, called from our 2665 * interrupt handler by extracting our handler index from 2666 * the MsgContext field of the reply from the IOC. 2667 * 2668 * This routine is optimized for the common case of a 2669 * completion without error. All exception handling is 2670 * offloaded to non-inlined helper routines to minimize 2671 * cache footprint. 2672 */ 2673 static int 2674 mpt_scsi_reply_handler(struct mpt_softc *mpt, request_t *req, 2675 uint32_t reply_desc, MSG_DEFAULT_REPLY *reply_frame) 2676 { 2677 MSG_SCSI_IO_REQUEST *scsi_req; 2678 union ccb *ccb; 2679 2680 if (req->state == REQ_STATE_FREE) { 2681 mpt_prt(mpt, "mpt_scsi_reply_handler: req already free\n"); 2682 return (TRUE); 2683 } 2684 2685 scsi_req = (MSG_SCSI_IO_REQUEST *)req->req_vbuf; 2686 ccb = req->ccb; 2687 if (ccb == NULL) { 2688 mpt_prt(mpt, "mpt_scsi_reply_handler: req %p:%u with no ccb\n", 2689 req, req->serno); 2690 return (TRUE); 2691 } 2692 2693 mpt_req_untimeout(req, mpt_timeout, ccb); 2694 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 2695 2696 if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) { 2697 bus_dmasync_op_t op; 2698 2699 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) 2700 op = BUS_DMASYNC_POSTREAD; 2701 else 2702 op = BUS_DMASYNC_POSTWRITE; 2703 bus_dmamap_sync(mpt->buffer_dmat, req->dmap, op); 2704 bus_dmamap_unload(mpt->buffer_dmat, req->dmap); 2705 } 2706 2707 if (reply_frame == NULL) { 2708 /* 2709 * Context only reply, completion without error status. 2710 */ 2711 ccb->csio.resid = 0; 2712 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 2713 ccb->csio.scsi_status = SCSI_STATUS_OK; 2714 } else { 2715 mpt_scsi_reply_frame_handler(mpt, req, reply_frame); 2716 } 2717 2718 if (mpt->outofbeer) { 2719 ccb->ccb_h.status |= CAM_RELEASE_SIMQ; 2720 mpt->outofbeer = 0; 2721 mpt_lprt(mpt, MPT_PRT_DEBUG, "THAWQ\n"); 2722 } 2723 if (scsi_req->CDB[0] == INQUIRY && (scsi_req->CDB[1] & SI_EVPD) == 0) { 2724 struct scsi_inquiry_data *iq = 2725 (struct scsi_inquiry_data *)ccb->csio.data_ptr; 2726 if (scsi_req->Function == 2727 MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH) { 2728 /* 2729 * Fake out the device type so that only the 2730 * pass-thru device will attach. 2731 */ 2732 iq->device &= ~0x1F; 2733 iq->device |= T_NODEVICE; 2734 } 2735 } 2736 if (mpt->verbose == MPT_PRT_DEBUG) { 2737 mpt_prt(mpt, "mpt_scsi_reply_handler: %p:%u complete\n", 2738 req, req->serno); 2739 } 2740 KASSERT(ccb->ccb_h.status, ("zero ccb sts at %d\n", __LINE__)); 2741 MPTLOCK_2_CAMLOCK(mpt); 2742 xpt_done(ccb); 2743 CAMLOCK_2_MPTLOCK(mpt); 2744 if ((req->state & REQ_STATE_TIMEDOUT) == 0) { 2745 TAILQ_REMOVE(&mpt->request_pending_list, req, links); 2746 } else { 2747 mpt_prt(mpt, "completing timedout/aborted req %p:%u\n", 2748 req, req->serno); 2749 TAILQ_REMOVE(&mpt->request_timeout_list, req, links); 2750 } 2751 KASSERT((req->state & REQ_STATE_NEED_WAKEUP) == 0, 2752 ("CCB req needed wakeup")); 2753 #ifdef INVARIANTS 2754 mpt_req_not_spcl(mpt, req, "mpt_scsi_reply_handler", __LINE__); 2755 #endif 2756 mpt_free_request(mpt, req); 2757 return (TRUE); 2758 } 2759 2760 static int 2761 mpt_scsi_tmf_reply_handler(struct mpt_softc *mpt, request_t *req, 2762 uint32_t reply_desc, MSG_DEFAULT_REPLY *reply_frame) 2763 { 2764 MSG_SCSI_TASK_MGMT_REPLY *tmf_reply; 2765 2766 KASSERT(req == mpt->tmf_req, ("TMF Reply not using mpt->tmf_req")); 2767 #ifdef INVARIANTS 2768 mpt_req_not_spcl(mpt, req, "mpt_scsi_tmf_reply_handler", __LINE__); 2769 #endif 2770 tmf_reply = (MSG_SCSI_TASK_MGMT_REPLY *)reply_frame; 2771 /* Record IOC Status and Response Code of TMF for any waiters. */ 2772 req->IOCStatus = le16toh(tmf_reply->IOCStatus); 2773 req->ResponseCode = tmf_reply->ResponseCode; 2774 2775 mpt_lprt(mpt, MPT_PRT_DEBUG, "TMF complete: req %p:%u status 0x%x\n", 2776 req, req->serno, le16toh(tmf_reply->IOCStatus)); 2777 TAILQ_REMOVE(&mpt->request_pending_list, req, links); 2778 if ((req->state & REQ_STATE_NEED_WAKEUP) != 0) { 2779 req->state |= REQ_STATE_DONE; 2780 wakeup(req); 2781 } else { 2782 mpt->tmf_req->state = REQ_STATE_FREE; 2783 } 2784 return (TRUE); 2785 } 2786 2787 /* 2788 * XXX: Move to definitions file 2789 */ 2790 #define ELS 0x22 2791 #define FC4LS 0x32 2792 #define ABTS 0x81 2793 #define BA_ACC 0x84 2794 2795 #define LS_RJT 0x01 2796 #define LS_ACC 0x02 2797 #define PLOGI 0x03 2798 #define LOGO 0x05 2799 #define SRR 0x14 2800 #define PRLI 0x20 2801 #define PRLO 0x21 2802 #define ADISC 0x52 2803 #define RSCN 0x61 2804 2805 static void 2806 mpt_fc_els_send_response(struct mpt_softc *mpt, request_t *req, 2807 PTR_MSG_LINK_SERVICE_BUFFER_POST_REPLY rp, U8 length) 2808 { 2809 uint32_t fl; 2810 MSG_LINK_SERVICE_RSP_REQUEST tmp; 2811 PTR_MSG_LINK_SERVICE_RSP_REQUEST rsp; 2812 2813 /* 2814 * We are going to reuse the ELS request to send this response back. 2815 */ 2816 rsp = &tmp; 2817 memset(rsp, 0, sizeof(*rsp)); 2818 2819 #ifdef USE_IMMEDIATE_LINK_DATA 2820 /* 2821 * Apparently the IMMEDIATE stuff doesn't seem to work. 2822 */ 2823 rsp->RspFlags = LINK_SERVICE_RSP_FLAGS_IMMEDIATE; 2824 #endif 2825 rsp->RspLength = length; 2826 rsp->Function = MPI_FUNCTION_FC_LINK_SRVC_RSP; 2827 rsp->MsgContext = htole32(req->index | fc_els_handler_id); 2828 2829 /* 2830 * Copy over information from the original reply frame to 2831 * it's correct place in the response. 2832 */ 2833 memcpy((U8 *)rsp + 0x0c, (U8 *)rp + 0x1c, 24); 2834 2835 /* 2836 * And now copy back the temporary area to the original frame. 2837 */ 2838 memcpy(req->req_vbuf, rsp, sizeof (MSG_LINK_SERVICE_RSP_REQUEST)); 2839 rsp = req->req_vbuf; 2840 2841 #ifdef USE_IMMEDIATE_LINK_DATA 2842 memcpy((U8 *)&rsp->SGL, &((U8 *)req->req_vbuf)[MPT_RQSL(mpt)], length); 2843 #else 2844 { 2845 PTR_SGE_SIMPLE32 se = (PTR_SGE_SIMPLE32) &rsp->SGL; 2846 bus_addr_t paddr = req->req_pbuf; 2847 paddr += MPT_RQSL(mpt); 2848 2849 fl = 2850 MPI_SGE_FLAGS_HOST_TO_IOC | 2851 MPI_SGE_FLAGS_SIMPLE_ELEMENT | 2852 MPI_SGE_FLAGS_LAST_ELEMENT | 2853 MPI_SGE_FLAGS_END_OF_LIST | 2854 MPI_SGE_FLAGS_END_OF_BUFFER; 2855 fl <<= MPI_SGE_FLAGS_SHIFT; 2856 fl |= (length); 2857 se->FlagsLength = htole32(fl); 2858 se->Address = htole32((uint32_t) paddr); 2859 } 2860 #endif 2861 2862 /* 2863 * Send it on... 2864 */ 2865 mpt_send_cmd(mpt, req); 2866 } 2867 2868 static int 2869 mpt_fc_els_reply_handler(struct mpt_softc *mpt, request_t *req, 2870 uint32_t reply_desc, MSG_DEFAULT_REPLY *reply_frame) 2871 { 2872 PTR_MSG_LINK_SERVICE_BUFFER_POST_REPLY rp = 2873 (PTR_MSG_LINK_SERVICE_BUFFER_POST_REPLY) reply_frame; 2874 U8 rctl; 2875 U8 type; 2876 U8 cmd; 2877 U16 status = le16toh(reply_frame->IOCStatus); 2878 U32 *elsbuf; 2879 int ioindex; 2880 int do_refresh = TRUE; 2881 2882 #ifdef INVARIANTS 2883 KASSERT(mpt_req_on_free_list(mpt, req) == 0, 2884 ("fc_els_reply_handler: req %p:%u for function %x on freelist!", 2885 req, req->serno, rp->Function)); 2886 if (rp->Function != MPI_FUNCTION_FC_PRIMITIVE_SEND) { 2887 mpt_req_spcl(mpt, req, "fc_els_reply_handler", __LINE__); 2888 } else { 2889 mpt_req_not_spcl(mpt, req, "fc_els_reply_handler", __LINE__); 2890 } 2891 #endif 2892 mpt_lprt(mpt, MPT_PRT_DEBUG, 2893 "FC_ELS Complete: req %p:%u, reply %p function %x\n", 2894 req, req->serno, reply_frame, reply_frame->Function); 2895 2896 if (status != MPI_IOCSTATUS_SUCCESS) { 2897 mpt_prt(mpt, "ELS REPLY STATUS 0x%x for Function %x\n", 2898 status, reply_frame->Function); 2899 if (status == MPI_IOCSTATUS_INVALID_STATE) { 2900 /* 2901 * XXX: to get around shutdown issue 2902 */ 2903 mpt->disabled = 1; 2904 return (TRUE); 2905 } 2906 return (TRUE); 2907 } 2908 2909 /* 2910 * If the function of a link service response, we recycle the 2911 * response to be a refresh for a new link service request. 2912 * 2913 * The request pointer is bogus in this case and we have to fetch 2914 * it based upon the TransactionContext. 2915 */ 2916 if (rp->Function == MPI_FUNCTION_FC_LINK_SRVC_RSP) { 2917 /* Freddie Uncle Charlie Katie */ 2918 /* We don't get the IOINDEX as part of the Link Svc Rsp */ 2919 for (ioindex = 0; ioindex < mpt->els_cmds_allocated; ioindex++) 2920 if (mpt->els_cmd_ptrs[ioindex] == req) { 2921 break; 2922 } 2923 2924 KASSERT(ioindex < mpt->els_cmds_allocated, 2925 ("can't find my mommie!")); 2926 2927 /* remove from active list as we're going to re-post it */ 2928 TAILQ_REMOVE(&mpt->request_pending_list, req, links); 2929 req->state &= ~REQ_STATE_QUEUED; 2930 req->state |= REQ_STATE_DONE; 2931 mpt_fc_post_els(mpt, req, ioindex); 2932 return (TRUE); 2933 } 2934 2935 if (rp->Function == MPI_FUNCTION_FC_PRIMITIVE_SEND) { 2936 /* remove from active list as we're done */ 2937 TAILQ_REMOVE(&mpt->request_pending_list, req, links); 2938 req->state &= ~REQ_STATE_QUEUED; 2939 req->state |= REQ_STATE_DONE; 2940 if (req->state & REQ_STATE_TIMEDOUT) { 2941 mpt_lprt(mpt, MPT_PRT_DEBUG, 2942 "Sync Primitive Send Completed After Timeout\n"); 2943 mpt_free_request(mpt, req); 2944 } else if ((req->state & REQ_STATE_NEED_WAKEUP) == 0) { 2945 mpt_lprt(mpt, MPT_PRT_DEBUG, 2946 "Async Primitive Send Complete\n"); 2947 mpt_free_request(mpt, req); 2948 } else { 2949 mpt_lprt(mpt, MPT_PRT_DEBUG, 2950 "Sync Primitive Send Complete- Waking Waiter\n"); 2951 wakeup(req); 2952 } 2953 return (TRUE); 2954 } 2955 2956 if (rp->Function != MPI_FUNCTION_FC_LINK_SRVC_BUF_POST) { 2957 mpt_prt(mpt, "unexpected ELS_REPLY: Function 0x%x Flags %x " 2958 "Length %d Message Flags %x\n", rp->Function, rp->Flags, 2959 rp->MsgLength, rp->MsgFlags); 2960 return (TRUE); 2961 } 2962 2963 if (rp->MsgLength <= 5) { 2964 /* 2965 * This is just a ack of an original ELS buffer post 2966 */ 2967 mpt_lprt(mpt, MPT_PRT_DEBUG, 2968 "RECV'd ACK of FC_ELS buf post %p:%u\n", req, req->serno); 2969 return (TRUE); 2970 } 2971 2972 2973 rctl = (le32toh(rp->Rctl_Did) & MPI_FC_RCTL_MASK) >> MPI_FC_RCTL_SHIFT; 2974 type = (le32toh(rp->Type_Fctl) & MPI_FC_TYPE_MASK) >> MPI_FC_TYPE_SHIFT; 2975 2976 elsbuf = &((U32 *)req->req_vbuf)[MPT_RQSL(mpt)/sizeof (U32)]; 2977 cmd = be32toh(elsbuf[0]) >> 24; 2978 2979 if (rp->Flags & MPI_LS_BUF_POST_REPLY_FLAG_NO_RSP_NEEDED) { 2980 mpt_lprt(mpt, MPT_PRT_ALWAYS, "ELS_REPLY: response unneeded\n"); 2981 return (TRUE); 2982 } 2983 2984 ioindex = le32toh(rp->TransactionContext); 2985 req = mpt->els_cmd_ptrs[ioindex]; 2986 2987 if (rctl == ELS && type == 1) { 2988 switch (cmd) { 2989 case PRLI: 2990 /* 2991 * Send back a PRLI ACC 2992 */ 2993 mpt_prt(mpt, "PRLI from 0x%08x%08x\n", 2994 le32toh(rp->Wwn.PortNameHigh), 2995 le32toh(rp->Wwn.PortNameLow)); 2996 elsbuf[0] = htobe32(0x02100014); 2997 elsbuf[1] |= htobe32(0x00000100); 2998 elsbuf[4] = htobe32(0x00000002); 2999 if (mpt->role & MPT_ROLE_TARGET) 3000 elsbuf[4] |= htobe32(0x00000010); 3001 if (mpt->role & MPT_ROLE_INITIATOR) 3002 elsbuf[4] |= htobe32(0x00000020); 3003 /* remove from active list as we're done */ 3004 TAILQ_REMOVE(&mpt->request_pending_list, req, links); 3005 req->state &= ~REQ_STATE_QUEUED; 3006 req->state |= REQ_STATE_DONE; 3007 mpt_fc_els_send_response(mpt, req, rp, 20); 3008 do_refresh = FALSE; 3009 break; 3010 case PRLO: 3011 memset(elsbuf, 0, 5 * (sizeof (U32))); 3012 elsbuf[0] = htobe32(0x02100014); 3013 elsbuf[1] = htobe32(0x08000100); 3014 mpt_prt(mpt, "PRLO from 0x%08x%08x\n", 3015 le32toh(rp->Wwn.PortNameHigh), 3016 le32toh(rp->Wwn.PortNameLow)); 3017 /* remove from active list as we're done */ 3018 TAILQ_REMOVE(&mpt->request_pending_list, req, links); 3019 req->state &= ~REQ_STATE_QUEUED; 3020 req->state |= REQ_STATE_DONE; 3021 mpt_fc_els_send_response(mpt, req, rp, 20); 3022 do_refresh = FALSE; 3023 break; 3024 default: 3025 mpt_prt(mpt, "ELS TYPE 1 COMMAND: %x\n", cmd); 3026 break; 3027 } 3028 } else if (rctl == ABTS && type == 0) { 3029 uint16_t rx_id = le16toh(rp->Rxid); 3030 uint16_t ox_id = le16toh(rp->Oxid); 3031 request_t *tgt_req = NULL; 3032 3033 mpt_prt(mpt, 3034 "ELS: ABTS OX_ID 0x%x RX_ID 0x%x from 0x%08x%08x\n", 3035 ox_id, rx_id, le32toh(rp->Wwn.PortNameHigh), 3036 le32toh(rp->Wwn.PortNameLow)); 3037 if (rx_id >= mpt->mpt_max_tgtcmds) { 3038 mpt_prt(mpt, "Bad RX_ID 0x%x\n", rx_id); 3039 } else if (mpt->tgt_cmd_ptrs == NULL) { 3040 mpt_prt(mpt, "No TGT CMD PTRS\n"); 3041 } else { 3042 tgt_req = mpt->tgt_cmd_ptrs[rx_id]; 3043 } 3044 if (tgt_req) { 3045 mpt_tgt_state_t *tgt = MPT_TGT_STATE(mpt, tgt_req); 3046 union ccb *ccb; 3047 uint32_t ct_id; 3048 3049 /* 3050 * Check to make sure we have the correct command 3051 * The reply descriptor in the target state should 3052 * should contain an IoIndex that should match the 3053 * RX_ID. 3054 * 3055 * It'd be nice to have OX_ID to crosscheck with 3056 * as well. 3057 */ 3058 ct_id = GET_IO_INDEX(tgt->reply_desc); 3059 3060 if (ct_id != rx_id) { 3061 mpt_lprt(mpt, MPT_PRT_ERROR, "ABORT Mismatch: " 3062 "RX_ID received=0x%x; RX_ID in cmd=0x%x\n", 3063 rx_id, ct_id); 3064 goto skip; 3065 } 3066 3067 ccb = tgt->ccb; 3068 if (ccb) { 3069 mpt_prt(mpt, 3070 "CCB (%p): lun %u flags %x status %x\n", 3071 ccb, ccb->ccb_h.target_lun, 3072 ccb->ccb_h.flags, ccb->ccb_h.status); 3073 } 3074 mpt_prt(mpt, "target state 0x%x resid %u xfrd %u rpwrd " 3075 "%x nxfers %x\n", tgt->state, 3076 tgt->resid, tgt->bytes_xfered, tgt->reply_desc, 3077 tgt->nxfers); 3078 skip: 3079 if (mpt_abort_target_cmd(mpt, tgt_req)) { 3080 mpt_prt(mpt, "unable to start TargetAbort\n"); 3081 } 3082 } else { 3083 mpt_prt(mpt, "no back pointer for RX_ID 0x%x\n", rx_id); 3084 } 3085 memset(elsbuf, 0, 5 * (sizeof (U32))); 3086 elsbuf[0] = htobe32(0); 3087 elsbuf[1] = htobe32((ox_id << 16) | rx_id); 3088 elsbuf[2] = htobe32(0x000ffff); 3089 /* 3090 * Dork with the reply frame so that the response to it 3091 * will be correct. 3092 */ 3093 rp->Rctl_Did += ((BA_ACC - ABTS) << MPI_FC_RCTL_SHIFT); 3094 /* remove from active list as we're done */ 3095 TAILQ_REMOVE(&mpt->request_pending_list, req, links); 3096 req->state &= ~REQ_STATE_QUEUED; 3097 req->state |= REQ_STATE_DONE; 3098 mpt_fc_els_send_response(mpt, req, rp, 12); 3099 do_refresh = FALSE; 3100 } else { 3101 mpt_prt(mpt, "ELS: RCTL %x TYPE %x CMD %x\n", rctl, type, cmd); 3102 } 3103 if (do_refresh == TRUE) { 3104 /* remove from active list as we're done */ 3105 TAILQ_REMOVE(&mpt->request_pending_list, req, links); 3106 req->state &= ~REQ_STATE_QUEUED; 3107 req->state |= REQ_STATE_DONE; 3108 mpt_fc_post_els(mpt, req, ioindex); 3109 } 3110 return (TRUE); 3111 } 3112 3113 /* 3114 * Clean up all SCSI Initiator personality state in response 3115 * to a controller reset. 3116 */ 3117 static void 3118 mpt_cam_ioc_reset(struct mpt_softc *mpt, int type) 3119 { 3120 3121 /* 3122 * The pending list is already run down by 3123 * the generic handler. Perform the same 3124 * operation on the timed out request list. 3125 */ 3126 mpt_complete_request_chain(mpt, &mpt->request_timeout_list, 3127 MPI_IOCSTATUS_INVALID_STATE); 3128 3129 /* 3130 * XXX: We need to repost ELS and Target Command Buffers? 3131 */ 3132 3133 /* 3134 * Inform the XPT that a bus reset has occurred. 3135 */ 3136 xpt_async(AC_BUS_RESET, mpt->path, NULL); 3137 } 3138 3139 /* 3140 * Parse additional completion information in the reply 3141 * frame for SCSI I/O requests. 3142 */ 3143 static int 3144 mpt_scsi_reply_frame_handler(struct mpt_softc *mpt, request_t *req, 3145 MSG_DEFAULT_REPLY *reply_frame) 3146 { 3147 union ccb *ccb; 3148 MSG_SCSI_IO_REPLY *scsi_io_reply; 3149 u_int ioc_status; 3150 u_int sstate; 3151 3152 MPT_DUMP_REPLY_FRAME(mpt, reply_frame); 3153 KASSERT(reply_frame->Function == MPI_FUNCTION_SCSI_IO_REQUEST 3154 || reply_frame->Function == MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH, 3155 ("MPT SCSI I/O Handler called with incorrect reply type")); 3156 KASSERT((reply_frame->MsgFlags & MPI_MSGFLAGS_CONTINUATION_REPLY) == 0, 3157 ("MPT SCSI I/O Handler called with continuation reply")); 3158 3159 scsi_io_reply = (MSG_SCSI_IO_REPLY *)reply_frame; 3160 ioc_status = le16toh(scsi_io_reply->IOCStatus); 3161 ioc_status &= MPI_IOCSTATUS_MASK; 3162 sstate = scsi_io_reply->SCSIState; 3163 3164 ccb = req->ccb; 3165 ccb->csio.resid = 3166 ccb->csio.dxfer_len - le32toh(scsi_io_reply->TransferCount); 3167 3168 if ((sstate & MPI_SCSI_STATE_AUTOSENSE_VALID) != 0 3169 && (ccb->ccb_h.flags & (CAM_SENSE_PHYS | CAM_SENSE_PTR)) == 0) { 3170 ccb->ccb_h.status |= CAM_AUTOSNS_VALID; 3171 ccb->csio.sense_resid = 3172 ccb->csio.sense_len - le32toh(scsi_io_reply->SenseCount); 3173 bcopy(req->sense_vbuf, &ccb->csio.sense_data, 3174 min(ccb->csio.sense_len, 3175 le32toh(scsi_io_reply->SenseCount))); 3176 } 3177 3178 if ((sstate & MPI_SCSI_STATE_QUEUE_TAG_REJECTED) != 0) { 3179 /* 3180 * Tag messages rejected, but non-tagged retry 3181 * was successful. 3182 XXXX 3183 mpt_set_tags(mpt, devinfo, MPT_QUEUE_NONE); 3184 */ 3185 } 3186 3187 switch(ioc_status) { 3188 case MPI_IOCSTATUS_SCSI_RESIDUAL_MISMATCH: 3189 /* 3190 * XXX 3191 * Linux driver indicates that a zero 3192 * transfer length with this error code 3193 * indicates a CRC error. 3194 * 3195 * No need to swap the bytes for checking 3196 * against zero. 3197 */ 3198 if (scsi_io_reply->TransferCount == 0) { 3199 mpt_set_ccb_status(ccb, CAM_UNCOR_PARITY); 3200 break; 3201 } 3202 /* FALLTHROUGH */ 3203 case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN: 3204 case MPI_IOCSTATUS_SUCCESS: 3205 case MPI_IOCSTATUS_SCSI_RECOVERED_ERROR: 3206 if ((sstate & MPI_SCSI_STATE_NO_SCSI_STATUS) != 0) { 3207 /* 3208 * Status was never returned for this transaction. 3209 */ 3210 mpt_set_ccb_status(ccb, CAM_UNEXP_BUSFREE); 3211 } else if (scsi_io_reply->SCSIStatus != SCSI_STATUS_OK) { 3212 ccb->csio.scsi_status = scsi_io_reply->SCSIStatus; 3213 mpt_set_ccb_status(ccb, CAM_SCSI_STATUS_ERROR); 3214 if ((sstate & MPI_SCSI_STATE_AUTOSENSE_FAILED) != 0) 3215 mpt_set_ccb_status(ccb, CAM_AUTOSENSE_FAIL); 3216 } else if ((sstate & MPI_SCSI_STATE_RESPONSE_INFO_VALID) != 0) { 3217 3218 /* XXX Handle SPI-Packet and FCP-2 response info. */ 3219 mpt_set_ccb_status(ccb, CAM_REQ_CMP_ERR); 3220 } else 3221 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 3222 break; 3223 case MPI_IOCSTATUS_SCSI_DATA_OVERRUN: 3224 mpt_set_ccb_status(ccb, CAM_DATA_RUN_ERR); 3225 break; 3226 case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR: 3227 mpt_set_ccb_status(ccb, CAM_UNCOR_PARITY); 3228 break; 3229 case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE: 3230 /* 3231 * Since selection timeouts and "device really not 3232 * there" are grouped into this error code, report 3233 * selection timeout. Selection timeouts are 3234 * typically retried before giving up on the device 3235 * whereas "device not there" errors are considered 3236 * unretryable. 3237 */ 3238 mpt_set_ccb_status(ccb, CAM_SEL_TIMEOUT); 3239 break; 3240 case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR: 3241 mpt_set_ccb_status(ccb, CAM_SEQUENCE_FAIL); 3242 break; 3243 case MPI_IOCSTATUS_SCSI_INVALID_BUS: 3244 mpt_set_ccb_status(ccb, CAM_PATH_INVALID); 3245 break; 3246 case MPI_IOCSTATUS_SCSI_INVALID_TARGETID: 3247 mpt_set_ccb_status(ccb, CAM_TID_INVALID); 3248 break; 3249 case MPI_IOCSTATUS_SCSI_TASK_MGMT_FAILED: 3250 ccb->ccb_h.status = CAM_UA_TERMIO; 3251 break; 3252 case MPI_IOCSTATUS_INVALID_STATE: 3253 /* 3254 * The IOC has been reset. Emulate a bus reset. 3255 */ 3256 /* FALLTHROUGH */ 3257 case MPI_IOCSTATUS_SCSI_EXT_TERMINATED: 3258 ccb->ccb_h.status = CAM_SCSI_BUS_RESET; 3259 break; 3260 case MPI_IOCSTATUS_SCSI_TASK_TERMINATED: 3261 case MPI_IOCSTATUS_SCSI_IOC_TERMINATED: 3262 /* 3263 * Don't clobber any timeout status that has 3264 * already been set for this transaction. We 3265 * want the SCSI layer to be able to differentiate 3266 * between the command we aborted due to timeout 3267 * and any innocent bystanders. 3268 */ 3269 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_INPROG) 3270 break; 3271 mpt_set_ccb_status(ccb, CAM_REQ_TERMIO); 3272 break; 3273 3274 case MPI_IOCSTATUS_INSUFFICIENT_RESOURCES: 3275 mpt_set_ccb_status(ccb, CAM_RESRC_UNAVAIL); 3276 break; 3277 case MPI_IOCSTATUS_BUSY: 3278 mpt_set_ccb_status(ccb, CAM_BUSY); 3279 break; 3280 case MPI_IOCSTATUS_INVALID_FUNCTION: 3281 case MPI_IOCSTATUS_INVALID_SGL: 3282 case MPI_IOCSTATUS_INTERNAL_ERROR: 3283 case MPI_IOCSTATUS_INVALID_FIELD: 3284 default: 3285 /* XXX 3286 * Some of the above may need to kick 3287 * of a recovery action!!!! 3288 */ 3289 ccb->ccb_h.status = CAM_UNREC_HBA_ERROR; 3290 break; 3291 } 3292 3293 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 3294 mpt_freeze_ccb(ccb); 3295 } 3296 3297 return (TRUE); 3298 } 3299 3300 static void 3301 mpt_action(struct cam_sim *sim, union ccb *ccb) 3302 { 3303 struct mpt_softc *mpt; 3304 struct ccb_trans_settings *cts; 3305 target_id_t tgt; 3306 lun_id_t lun; 3307 int raid_passthru; 3308 3309 CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE, ("mpt_action\n")); 3310 3311 mpt = (struct mpt_softc *)cam_sim_softc(sim); 3312 raid_passthru = (sim == mpt->phydisk_sim); 3313 MPT_LOCK_ASSERT(mpt); 3314 3315 tgt = ccb->ccb_h.target_id; 3316 lun = ccb->ccb_h.target_lun; 3317 if (raid_passthru && 3318 ccb->ccb_h.func_code != XPT_PATH_INQ && 3319 ccb->ccb_h.func_code != XPT_RESET_BUS && 3320 ccb->ccb_h.func_code != XPT_RESET_DEV) { 3321 CAMLOCK_2_MPTLOCK(mpt); 3322 if (mpt_map_physdisk(mpt, ccb, &tgt) != 0) { 3323 MPTLOCK_2_CAMLOCK(mpt); 3324 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 3325 mpt_set_ccb_status(ccb, CAM_DEV_NOT_THERE); 3326 xpt_done(ccb); 3327 return; 3328 } 3329 MPTLOCK_2_CAMLOCK(mpt); 3330 } 3331 ccb->ccb_h.ccb_mpt_ptr = mpt; 3332 3333 switch (ccb->ccb_h.func_code) { 3334 case XPT_SCSI_IO: /* Execute the requested I/O operation */ 3335 /* 3336 * Do a couple of preliminary checks... 3337 */ 3338 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0) { 3339 if ((ccb->ccb_h.flags & CAM_CDB_PHYS) != 0) { 3340 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 3341 mpt_set_ccb_status(ccb, CAM_REQ_INVALID); 3342 break; 3343 } 3344 } 3345 /* Max supported CDB length is 16 bytes */ 3346 /* XXX Unless we implement the new 32byte message type */ 3347 if (ccb->csio.cdb_len > 3348 sizeof (((PTR_MSG_SCSI_IO_REQUEST)0)->CDB)) { 3349 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 3350 mpt_set_ccb_status(ccb, CAM_REQ_INVALID); 3351 break; 3352 } 3353 #ifdef MPT_TEST_MULTIPATH 3354 if (mpt->failure_id == ccb->ccb_h.target_id) { 3355 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 3356 mpt_set_ccb_status(ccb, CAM_SEL_TIMEOUT); 3357 break; 3358 } 3359 #endif 3360 ccb->csio.scsi_status = SCSI_STATUS_OK; 3361 mpt_start(sim, ccb); 3362 return; 3363 3364 case XPT_RESET_BUS: 3365 if (raid_passthru) { 3366 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 3367 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 3368 break; 3369 } 3370 case XPT_RESET_DEV: 3371 if (ccb->ccb_h.func_code == XPT_RESET_BUS) { 3372 if (bootverbose) { 3373 xpt_print(ccb->ccb_h.path, "reset bus\n"); 3374 } 3375 } else { 3376 xpt_print(ccb->ccb_h.path, "reset device\n"); 3377 } 3378 CAMLOCK_2_MPTLOCK(mpt); 3379 (void) mpt_bus_reset(mpt, tgt, lun, FALSE); 3380 MPTLOCK_2_CAMLOCK(mpt); 3381 3382 /* 3383 * mpt_bus_reset is always successful in that it 3384 * will fall back to a hard reset should a bus 3385 * reset attempt fail. 3386 */ 3387 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 3388 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 3389 break; 3390 3391 case XPT_ABORT: 3392 { 3393 union ccb *accb = ccb->cab.abort_ccb; 3394 CAMLOCK_2_MPTLOCK(mpt); 3395 switch (accb->ccb_h.func_code) { 3396 case XPT_ACCEPT_TARGET_IO: 3397 case XPT_IMMED_NOTIFY: 3398 ccb->ccb_h.status = mpt_abort_target_ccb(mpt, ccb); 3399 break; 3400 case XPT_CONT_TARGET_IO: 3401 mpt_prt(mpt, "cannot abort active CTIOs yet\n"); 3402 ccb->ccb_h.status = CAM_UA_ABORT; 3403 break; 3404 case XPT_SCSI_IO: 3405 ccb->ccb_h.status = CAM_UA_ABORT; 3406 break; 3407 default: 3408 ccb->ccb_h.status = CAM_REQ_INVALID; 3409 break; 3410 } 3411 MPTLOCK_2_CAMLOCK(mpt); 3412 break; 3413 } 3414 3415 #ifdef CAM_NEW_TRAN_CODE 3416 #define IS_CURRENT_SETTINGS(c) ((c)->type == CTS_TYPE_CURRENT_SETTINGS) 3417 #else 3418 #define IS_CURRENT_SETTINGS(c) ((c)->flags & CCB_TRANS_CURRENT_SETTINGS) 3419 #endif 3420 #define DP_DISC_ENABLE 0x1 3421 #define DP_DISC_DISABL 0x2 3422 #define DP_DISC (DP_DISC_ENABLE|DP_DISC_DISABL) 3423 3424 #define DP_TQING_ENABLE 0x4 3425 #define DP_TQING_DISABL 0x8 3426 #define DP_TQING (DP_TQING_ENABLE|DP_TQING_DISABL) 3427 3428 #define DP_WIDE 0x10 3429 #define DP_NARROW 0x20 3430 #define DP_WIDTH (DP_WIDE|DP_NARROW) 3431 3432 #define DP_SYNC 0x40 3433 3434 case XPT_SET_TRAN_SETTINGS: /* Nexus Settings */ 3435 { 3436 #ifdef CAM_NEW_TRAN_CODE 3437 struct ccb_trans_settings_scsi *scsi; 3438 struct ccb_trans_settings_spi *spi; 3439 #endif 3440 uint8_t dval; 3441 u_int period; 3442 u_int offset; 3443 int i, j; 3444 3445 cts = &ccb->cts; 3446 3447 if (mpt->is_fc || mpt->is_sas) { 3448 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 3449 break; 3450 } 3451 3452 #ifdef CAM_NEW_TRAN_CODE 3453 scsi = &cts->proto_specific.scsi; 3454 spi = &cts->xport_specific.spi; 3455 3456 /* 3457 * We can be called just to valid transport and proto versions 3458 */ 3459 if (scsi->valid == 0 && spi->valid == 0) { 3460 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 3461 break; 3462 } 3463 #endif 3464 3465 /* 3466 * Skip attempting settings on RAID volume disks. 3467 * Other devices on the bus get the normal treatment. 3468 */ 3469 if (mpt->phydisk_sim && raid_passthru == 0 && 3470 mpt_is_raid_volume(mpt, tgt) != 0) { 3471 mpt_lprt(mpt, MPT_PRT_NEGOTIATION, 3472 "no transfer settings for RAID vols\n"); 3473 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 3474 break; 3475 } 3476 3477 i = mpt->mpt_port_page2.PortSettings & 3478 MPI_SCSIPORTPAGE2_PORT_MASK_NEGO_MASTER_SETTINGS; 3479 j = mpt->mpt_port_page2.PortFlags & 3480 MPI_SCSIPORTPAGE2_PORT_FLAGS_DV_MASK; 3481 if (i == MPI_SCSIPORTPAGE2_PORT_ALL_MASTER_SETTINGS && 3482 j == MPI_SCSIPORTPAGE2_PORT_FLAGS_OFF_DV) { 3483 mpt_lprt(mpt, MPT_PRT_ALWAYS, 3484 "honoring BIOS transfer negotiations\n"); 3485 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 3486 break; 3487 } 3488 3489 dval = 0; 3490 period = 0; 3491 offset = 0; 3492 3493 #ifndef CAM_NEW_TRAN_CODE 3494 if ((cts->valid & CCB_TRANS_DISC_VALID) != 0) { 3495 dval |= (cts->flags & CCB_TRANS_DISC_ENB) ? 3496 DP_DISC_ENABLE : DP_DISC_DISABL; 3497 } 3498 3499 if ((cts->valid & CCB_TRANS_TQ_VALID) != 0) { 3500 dval |= (cts->flags & CCB_TRANS_TAG_ENB) ? 3501 DP_TQING_ENABLE : DP_TQING_DISABL; 3502 } 3503 3504 if ((cts->valid & CCB_TRANS_BUS_WIDTH_VALID) != 0) { 3505 dval |= cts->bus_width ? DP_WIDE : DP_NARROW; 3506 } 3507 3508 if ((cts->valid & CCB_TRANS_SYNC_RATE_VALID) && 3509 (cts->valid & CCB_TRANS_SYNC_OFFSET_VALID)) { 3510 dval |= DP_SYNC; 3511 period = cts->sync_period; 3512 offset = cts->sync_offset; 3513 } 3514 #else 3515 if ((spi->valid & CTS_SPI_VALID_DISC) != 0) { 3516 dval |= ((spi->flags & CTS_SPI_FLAGS_DISC_ENB) != 0) ? 3517 DP_DISC_ENABLE : DP_DISC_DISABL; 3518 } 3519 3520 if ((scsi->valid & CTS_SCSI_VALID_TQ) != 0) { 3521 dval |= ((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0) ? 3522 DP_TQING_ENABLE : DP_TQING_DISABL; 3523 } 3524 3525 if ((spi->valid & CTS_SPI_VALID_BUS_WIDTH) != 0) { 3526 dval |= (spi->bus_width == MSG_EXT_WDTR_BUS_16_BIT) ? 3527 DP_WIDE : DP_NARROW; 3528 } 3529 3530 if (spi->valid & CTS_SPI_VALID_SYNC_OFFSET) { 3531 dval |= DP_SYNC; 3532 offset = spi->sync_offset; 3533 } else { 3534 PTR_CONFIG_PAGE_SCSI_DEVICE_1 ptr = 3535 &mpt->mpt_dev_page1[tgt]; 3536 offset = ptr->RequestedParameters; 3537 offset &= MPI_SCSIDEVPAGE1_RP_MAX_SYNC_OFFSET_MASK; 3538 offset >>= MPI_SCSIDEVPAGE1_RP_SHIFT_MAX_SYNC_OFFSET; 3539 } 3540 if (spi->valid & CTS_SPI_VALID_SYNC_RATE) { 3541 dval |= DP_SYNC; 3542 period = spi->sync_period; 3543 } else { 3544 PTR_CONFIG_PAGE_SCSI_DEVICE_1 ptr = 3545 &mpt->mpt_dev_page1[tgt]; 3546 period = ptr->RequestedParameters; 3547 period &= MPI_SCSIDEVPAGE1_RP_MIN_SYNC_PERIOD_MASK; 3548 period >>= MPI_SCSIDEVPAGE1_RP_SHIFT_MIN_SYNC_PERIOD; 3549 } 3550 #endif 3551 CAMLOCK_2_MPTLOCK(mpt); 3552 if (dval & DP_DISC_ENABLE) { 3553 mpt->mpt_disc_enable |= (1 << tgt); 3554 } else if (dval & DP_DISC_DISABL) { 3555 mpt->mpt_disc_enable &= ~(1 << tgt); 3556 } 3557 if (dval & DP_TQING_ENABLE) { 3558 mpt->mpt_tag_enable |= (1 << tgt); 3559 } else if (dval & DP_TQING_DISABL) { 3560 mpt->mpt_tag_enable &= ~(1 << tgt); 3561 } 3562 if (dval & DP_WIDTH) { 3563 mpt_setwidth(mpt, tgt, 1); 3564 } 3565 if (dval & DP_SYNC) { 3566 mpt_setsync(mpt, tgt, period, offset); 3567 } 3568 if (dval == 0) { 3569 MPTLOCK_2_CAMLOCK(mpt); 3570 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 3571 break; 3572 } 3573 mpt_lprt(mpt, MPT_PRT_NEGOTIATION, 3574 "set [%d]: 0x%x period 0x%x offset %d\n", 3575 tgt, dval, period, offset); 3576 if (mpt_update_spi_config(mpt, tgt)) { 3577 mpt_set_ccb_status(ccb, CAM_REQ_CMP_ERR); 3578 } else { 3579 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 3580 } 3581 MPTLOCK_2_CAMLOCK(mpt); 3582 break; 3583 } 3584 case XPT_GET_TRAN_SETTINGS: 3585 { 3586 #ifdef CAM_NEW_TRAN_CODE 3587 struct ccb_trans_settings_scsi *scsi; 3588 cts = &ccb->cts; 3589 cts->protocol = PROTO_SCSI; 3590 if (mpt->is_fc) { 3591 struct ccb_trans_settings_fc *fc = 3592 &cts->xport_specific.fc; 3593 cts->protocol_version = SCSI_REV_SPC; 3594 cts->transport = XPORT_FC; 3595 cts->transport_version = 0; 3596 fc->valid = CTS_FC_VALID_SPEED; 3597 fc->bitrate = 100000; 3598 } else if (mpt->is_sas) { 3599 struct ccb_trans_settings_sas *sas = 3600 &cts->xport_specific.sas; 3601 cts->protocol_version = SCSI_REV_SPC2; 3602 cts->transport = XPORT_SAS; 3603 cts->transport_version = 0; 3604 sas->valid = CTS_SAS_VALID_SPEED; 3605 sas->bitrate = 300000; 3606 } else { 3607 cts->protocol_version = SCSI_REV_2; 3608 cts->transport = XPORT_SPI; 3609 cts->transport_version = 2; 3610 if (mpt_get_spi_settings(mpt, cts) != 0) { 3611 mpt_set_ccb_status(ccb, CAM_REQ_CMP_ERR); 3612 break; 3613 } 3614 } 3615 scsi = &cts->proto_specific.scsi; 3616 scsi->valid = CTS_SCSI_VALID_TQ; 3617 scsi->flags = CTS_SCSI_FLAGS_TAG_ENB; 3618 #else 3619 cts = &ccb->cts; 3620 if (mpt->is_fc) { 3621 cts->flags = CCB_TRANS_TAG_ENB | CCB_TRANS_DISC_ENB; 3622 cts->valid = CCB_TRANS_DISC_VALID | CCB_TRANS_TQ_VALID; 3623 cts->bus_width = MSG_EXT_WDTR_BUS_8_BIT; 3624 } else if (mpt->is_sas) { 3625 cts->flags = CCB_TRANS_TAG_ENB | CCB_TRANS_DISC_ENB; 3626 cts->valid = CCB_TRANS_DISC_VALID | CCB_TRANS_TQ_VALID; 3627 cts->bus_width = MSG_EXT_WDTR_BUS_8_BIT; 3628 } else if (mpt_get_spi_settings(mpt, cts) != 0) { 3629 mpt_set_ccb_status(ccb, CAM_REQ_CMP_ERR); 3630 break; 3631 } 3632 #endif 3633 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 3634 break; 3635 } 3636 case XPT_CALC_GEOMETRY: 3637 { 3638 struct ccb_calc_geometry *ccg; 3639 3640 ccg = &ccb->ccg; 3641 if (ccg->block_size == 0) { 3642 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 3643 mpt_set_ccb_status(ccb, CAM_REQ_INVALID); 3644 break; 3645 } 3646 mpt_calc_geometry(ccg, /*extended*/1); 3647 KASSERT(ccb->ccb_h.status, ("zero ccb sts at %d\n", __LINE__)); 3648 break; 3649 } 3650 case XPT_PATH_INQ: /* Path routing inquiry */ 3651 { 3652 struct ccb_pathinq *cpi = &ccb->cpi; 3653 3654 cpi->version_num = 1; 3655 cpi->target_sprt = 0; 3656 cpi->hba_eng_cnt = 0; 3657 cpi->max_target = mpt->port_facts[0].MaxDevices - 1; 3658 cpi->maxio = (mpt->max_cam_seg_cnt - 1) * PAGE_SIZE; 3659 /* 3660 * FC cards report MAX_DEVICES of 512, but 3661 * the MSG_SCSI_IO_REQUEST target id field 3662 * is only 8 bits. Until we fix the driver 3663 * to support 'channels' for bus overflow, 3664 * just limit it. 3665 */ 3666 if (cpi->max_target > 255) { 3667 cpi->max_target = 255; 3668 } 3669 3670 /* 3671 * VMware ESX reports > 16 devices and then dies when we probe. 3672 */ 3673 if (mpt->is_spi && cpi->max_target > 15) { 3674 cpi->max_target = 15; 3675 } 3676 if (mpt->is_spi) 3677 cpi->max_lun = 7; 3678 else 3679 cpi->max_lun = MPT_MAX_LUNS; 3680 cpi->initiator_id = mpt->mpt_ini_id; 3681 cpi->bus_id = cam_sim_bus(sim); 3682 3683 /* 3684 * The base speed is the speed of the underlying connection. 3685 */ 3686 #ifdef CAM_NEW_TRAN_CODE 3687 cpi->protocol = PROTO_SCSI; 3688 if (mpt->is_fc) { 3689 cpi->hba_misc = PIM_NOBUSRESET; 3690 cpi->base_transfer_speed = 100000; 3691 cpi->hba_inquiry = PI_TAG_ABLE; 3692 cpi->transport = XPORT_FC; 3693 cpi->transport_version = 0; 3694 cpi->protocol_version = SCSI_REV_SPC; 3695 } else if (mpt->is_sas) { 3696 cpi->hba_misc = PIM_NOBUSRESET; 3697 cpi->base_transfer_speed = 300000; 3698 cpi->hba_inquiry = PI_TAG_ABLE; 3699 cpi->transport = XPORT_SAS; 3700 cpi->transport_version = 0; 3701 cpi->protocol_version = SCSI_REV_SPC2; 3702 } else { 3703 cpi->hba_misc = PIM_SEQSCAN; 3704 cpi->base_transfer_speed = 3300; 3705 cpi->hba_inquiry = PI_SDTR_ABLE|PI_TAG_ABLE|PI_WIDE_16; 3706 cpi->transport = XPORT_SPI; 3707 cpi->transport_version = 2; 3708 cpi->protocol_version = SCSI_REV_2; 3709 } 3710 #else 3711 if (mpt->is_fc) { 3712 cpi->hba_misc = PIM_NOBUSRESET; 3713 cpi->base_transfer_speed = 100000; 3714 cpi->hba_inquiry = PI_TAG_ABLE; 3715 } else if (mpt->is_sas) { 3716 cpi->hba_misc = PIM_NOBUSRESET; 3717 cpi->base_transfer_speed = 300000; 3718 cpi->hba_inquiry = PI_TAG_ABLE; 3719 } else { 3720 cpi->hba_misc = PIM_SEQSCAN; 3721 cpi->base_transfer_speed = 3300; 3722 cpi->hba_inquiry = PI_SDTR_ABLE|PI_TAG_ABLE|PI_WIDE_16; 3723 } 3724 #endif 3725 3726 /* 3727 * We give our fake RAID passhtru bus a width that is MaxVolumes 3728 * wide and restrict it to one lun. 3729 */ 3730 if (raid_passthru) { 3731 cpi->max_target = mpt->ioc_page2->MaxPhysDisks - 1; 3732 cpi->initiator_id = cpi->max_target + 1; 3733 cpi->max_lun = 0; 3734 } 3735 3736 if ((mpt->role & MPT_ROLE_INITIATOR) == 0) { 3737 cpi->hba_misc |= PIM_NOINITIATOR; 3738 } 3739 if (mpt->is_fc && (mpt->role & MPT_ROLE_TARGET)) { 3740 cpi->target_sprt = 3741 PIT_PROCESSOR | PIT_DISCONNECT | PIT_TERM_IO; 3742 } else { 3743 cpi->target_sprt = 0; 3744 } 3745 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); 3746 strncpy(cpi->hba_vid, "LSI", HBA_IDLEN); 3747 strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN); 3748 cpi->unit_number = cam_sim_unit(sim); 3749 cpi->ccb_h.status = CAM_REQ_CMP; 3750 break; 3751 } 3752 case XPT_EN_LUN: /* Enable LUN as a target */ 3753 { 3754 int result; 3755 3756 CAMLOCK_2_MPTLOCK(mpt); 3757 if (ccb->cel.enable) 3758 result = mpt_enable_lun(mpt, 3759 ccb->ccb_h.target_id, ccb->ccb_h.target_lun); 3760 else 3761 result = mpt_disable_lun(mpt, 3762 ccb->ccb_h.target_id, ccb->ccb_h.target_lun); 3763 MPTLOCK_2_CAMLOCK(mpt); 3764 if (result == 0) { 3765 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 3766 } else { 3767 mpt_set_ccb_status(ccb, CAM_REQ_CMP_ERR); 3768 } 3769 break; 3770 } 3771 case XPT_NOTIFY_ACK: /* recycle notify ack */ 3772 case XPT_IMMED_NOTIFY: /* Add Immediate Notify Resource */ 3773 case XPT_ACCEPT_TARGET_IO: /* Add Accept Target IO Resource */ 3774 { 3775 tgt_resource_t *trtp; 3776 lun_id_t lun = ccb->ccb_h.target_lun; 3777 ccb->ccb_h.sim_priv.entries[0].field = 0; 3778 ccb->ccb_h.sim_priv.entries[1].ptr = mpt; 3779 ccb->ccb_h.flags = 0; 3780 3781 if (lun == CAM_LUN_WILDCARD) { 3782 if (ccb->ccb_h.target_id != CAM_TARGET_WILDCARD) { 3783 mpt_set_ccb_status(ccb, CAM_REQ_INVALID); 3784 break; 3785 } 3786 trtp = &mpt->trt_wildcard; 3787 } else if (lun >= MPT_MAX_LUNS) { 3788 mpt_set_ccb_status(ccb, CAM_REQ_INVALID); 3789 break; 3790 } else { 3791 trtp = &mpt->trt[lun]; 3792 } 3793 CAMLOCK_2_MPTLOCK(mpt); 3794 if (ccb->ccb_h.func_code == XPT_ACCEPT_TARGET_IO) { 3795 mpt_lprt(mpt, MPT_PRT_DEBUG1, 3796 "Put FREE ATIO %p lun %d\n", ccb, lun); 3797 STAILQ_INSERT_TAIL(&trtp->atios, &ccb->ccb_h, 3798 sim_links.stqe); 3799 } else if (ccb->ccb_h.func_code == XPT_IMMED_NOTIFY) { 3800 mpt_lprt(mpt, MPT_PRT_DEBUG1, 3801 "Put FREE INOT lun %d\n", lun); 3802 STAILQ_INSERT_TAIL(&trtp->inots, &ccb->ccb_h, 3803 sim_links.stqe); 3804 } else { 3805 mpt_lprt(mpt, MPT_PRT_ALWAYS, "Got Notify ACK\n"); 3806 } 3807 mpt_set_ccb_status(ccb, CAM_REQ_INPROG); 3808 MPTLOCK_2_CAMLOCK(mpt); 3809 return; 3810 } 3811 case XPT_CONT_TARGET_IO: 3812 CAMLOCK_2_MPTLOCK(mpt); 3813 mpt_target_start_io(mpt, ccb); 3814 MPTLOCK_2_CAMLOCK(mpt); 3815 return; 3816 3817 default: 3818 ccb->ccb_h.status = CAM_REQ_INVALID; 3819 break; 3820 } 3821 xpt_done(ccb); 3822 } 3823 3824 static int 3825 mpt_get_spi_settings(struct mpt_softc *mpt, struct ccb_trans_settings *cts) 3826 { 3827 #ifdef CAM_NEW_TRAN_CODE 3828 struct ccb_trans_settings_scsi *scsi = &cts->proto_specific.scsi; 3829 struct ccb_trans_settings_spi *spi = &cts->xport_specific.spi; 3830 #endif 3831 target_id_t tgt; 3832 uint32_t dval, pval, oval; 3833 int rv; 3834 3835 if (IS_CURRENT_SETTINGS(cts) == 0) { 3836 tgt = cts->ccb_h.target_id; 3837 } else if (xpt_path_sim(cts->ccb_h.path) == mpt->phydisk_sim) { 3838 if (mpt_map_physdisk(mpt, (union ccb *)cts, &tgt)) { 3839 return (-1); 3840 } 3841 } else { 3842 tgt = cts->ccb_h.target_id; 3843 } 3844 3845 /* 3846 * We aren't looking at Port Page 2 BIOS settings here- 3847 * sometimes these have been known to be bogus XXX. 3848 * 3849 * For user settings, we pick the max from port page 0 3850 * 3851 * For current settings we read the current settings out from 3852 * device page 0 for that target. 3853 */ 3854 if (IS_CURRENT_SETTINGS(cts)) { 3855 CONFIG_PAGE_SCSI_DEVICE_0 tmp; 3856 dval = 0; 3857 3858 CAMLOCK_2_MPTLOCK(mpt); 3859 tmp = mpt->mpt_dev_page0[tgt]; 3860 rv = mpt_read_cur_cfg_page(mpt, tgt, &tmp.Header, 3861 sizeof(tmp), FALSE, 5000); 3862 if (rv) { 3863 MPTLOCK_2_CAMLOCK(mpt); 3864 mpt_prt(mpt, "can't get tgt %d config page 0\n", tgt); 3865 return (rv); 3866 } 3867 mpt2host_config_page_scsi_device_0(&tmp); 3868 3869 MPTLOCK_2_CAMLOCK(mpt); 3870 mpt_lprt(mpt, MPT_PRT_DEBUG, 3871 "mpt_get_spi_settings[%d]: current NP %x Info %x\n", tgt, 3872 tmp.NegotiatedParameters, tmp.Information); 3873 dval |= (tmp.NegotiatedParameters & MPI_SCSIDEVPAGE0_NP_WIDE) ? 3874 DP_WIDE : DP_NARROW; 3875 dval |= (mpt->mpt_disc_enable & (1 << tgt)) ? 3876 DP_DISC_ENABLE : DP_DISC_DISABL; 3877 dval |= (mpt->mpt_tag_enable & (1 << tgt)) ? 3878 DP_TQING_ENABLE : DP_TQING_DISABL; 3879 oval = tmp.NegotiatedParameters; 3880 oval &= MPI_SCSIDEVPAGE0_NP_NEG_SYNC_OFFSET_MASK; 3881 oval >>= MPI_SCSIDEVPAGE0_NP_SHIFT_SYNC_OFFSET; 3882 pval = tmp.NegotiatedParameters; 3883 pval &= MPI_SCSIDEVPAGE0_NP_NEG_SYNC_PERIOD_MASK; 3884 pval >>= MPI_SCSIDEVPAGE0_NP_SHIFT_SYNC_PERIOD; 3885 mpt->mpt_dev_page0[tgt] = tmp; 3886 } else { 3887 dval = DP_WIDE|DP_DISC_ENABLE|DP_TQING_ENABLE|DP_SYNC; 3888 oval = mpt->mpt_port_page0.Capabilities; 3889 oval = MPI_SCSIPORTPAGE0_CAP_GET_MAX_SYNC_OFFSET(oval); 3890 pval = mpt->mpt_port_page0.Capabilities; 3891 pval = MPI_SCSIPORTPAGE0_CAP_GET_MIN_SYNC_PERIOD(pval); 3892 } 3893 3894 #ifndef CAM_NEW_TRAN_CODE 3895 cts->flags &= ~(CCB_TRANS_DISC_ENB|CCB_TRANS_TAG_ENB); 3896 cts->valid = 0; 3897 cts->sync_period = pval; 3898 cts->sync_offset = oval; 3899 cts->valid |= CCB_TRANS_SYNC_RATE_VALID; 3900 cts->valid |= CCB_TRANS_SYNC_OFFSET_VALID; 3901 cts->valid |= CCB_TRANS_BUS_WIDTH_VALID; 3902 if (dval & DP_WIDE) { 3903 cts->bus_width = MSG_EXT_WDTR_BUS_16_BIT; 3904 } else { 3905 cts->bus_width = MSG_EXT_WDTR_BUS_8_BIT; 3906 } 3907 if (cts->ccb_h.target_lun != CAM_LUN_WILDCARD) { 3908 cts->valid |= CCB_TRANS_DISC_VALID | CCB_TRANS_TQ_VALID; 3909 if (dval & DP_DISC_ENABLE) { 3910 cts->flags |= CCB_TRANS_DISC_ENB; 3911 } 3912 if (dval & DP_TQING_ENABLE) { 3913 cts->flags |= CCB_TRANS_TAG_ENB; 3914 } 3915 } 3916 #else 3917 spi->valid = 0; 3918 scsi->valid = 0; 3919 spi->flags = 0; 3920 scsi->flags = 0; 3921 spi->sync_offset = oval; 3922 spi->sync_period = pval; 3923 spi->valid |= CTS_SPI_VALID_SYNC_OFFSET; 3924 spi->valid |= CTS_SPI_VALID_SYNC_RATE; 3925 spi->valid |= CTS_SPI_VALID_BUS_WIDTH; 3926 if (dval & DP_WIDE) { 3927 spi->bus_width = MSG_EXT_WDTR_BUS_16_BIT; 3928 } else { 3929 spi->bus_width = MSG_EXT_WDTR_BUS_8_BIT; 3930 } 3931 if (cts->ccb_h.target_lun != CAM_LUN_WILDCARD) { 3932 scsi->valid = CTS_SCSI_VALID_TQ; 3933 if (dval & DP_TQING_ENABLE) { 3934 scsi->flags |= CTS_SCSI_FLAGS_TAG_ENB; 3935 } 3936 spi->valid |= CTS_SPI_VALID_DISC; 3937 if (dval & DP_DISC_ENABLE) { 3938 spi->flags |= CTS_SPI_FLAGS_DISC_ENB; 3939 } 3940 } 3941 #endif 3942 mpt_lprt(mpt, MPT_PRT_NEGOTIATION, 3943 "mpt_get_spi_settings[%d]: %s flags 0x%x per 0x%x off=%d\n", tgt, 3944 IS_CURRENT_SETTINGS(cts)? "ACTIVE" : "NVRAM ", dval, pval, oval); 3945 return (0); 3946 } 3947 3948 static void 3949 mpt_setwidth(struct mpt_softc *mpt, int tgt, int onoff) 3950 { 3951 PTR_CONFIG_PAGE_SCSI_DEVICE_1 ptr; 3952 3953 ptr = &mpt->mpt_dev_page1[tgt]; 3954 if (onoff) { 3955 ptr->RequestedParameters |= MPI_SCSIDEVPAGE1_RP_WIDE; 3956 } else { 3957 ptr->RequestedParameters &= ~MPI_SCSIDEVPAGE1_RP_WIDE; 3958 } 3959 } 3960 3961 static void 3962 mpt_setsync(struct mpt_softc *mpt, int tgt, int period, int offset) 3963 { 3964 PTR_CONFIG_PAGE_SCSI_DEVICE_1 ptr; 3965 3966 ptr = &mpt->mpt_dev_page1[tgt]; 3967 ptr->RequestedParameters &= ~MPI_SCSIDEVPAGE1_RP_MIN_SYNC_PERIOD_MASK; 3968 ptr->RequestedParameters &= ~MPI_SCSIDEVPAGE1_RP_MAX_SYNC_OFFSET_MASK; 3969 ptr->RequestedParameters &= ~MPI_SCSIDEVPAGE1_RP_DT; 3970 ptr->RequestedParameters &= ~MPI_SCSIDEVPAGE1_RP_QAS; 3971 ptr->RequestedParameters &= ~MPI_SCSIDEVPAGE1_RP_IU; 3972 if (period == 0) { 3973 return; 3974 } 3975 ptr->RequestedParameters |= 3976 period << MPI_SCSIDEVPAGE1_RP_SHIFT_MIN_SYNC_PERIOD; 3977 ptr->RequestedParameters |= 3978 offset << MPI_SCSIDEVPAGE1_RP_SHIFT_MAX_SYNC_OFFSET; 3979 if (period < 0xa) { 3980 ptr->RequestedParameters |= MPI_SCSIDEVPAGE1_RP_DT; 3981 } 3982 if (period < 0x9) { 3983 ptr->RequestedParameters |= MPI_SCSIDEVPAGE1_RP_QAS; 3984 ptr->RequestedParameters |= MPI_SCSIDEVPAGE1_RP_IU; 3985 } 3986 } 3987 3988 static int 3989 mpt_update_spi_config(struct mpt_softc *mpt, int tgt) 3990 { 3991 CONFIG_PAGE_SCSI_DEVICE_1 tmp; 3992 int rv; 3993 3994 mpt_lprt(mpt, MPT_PRT_NEGOTIATION, 3995 "mpt_update_spi_config[%d].page1: Requested Params 0x%08x\n", 3996 tgt, mpt->mpt_dev_page1[tgt].RequestedParameters); 3997 tmp = mpt->mpt_dev_page1[tgt]; 3998 host2mpt_config_page_scsi_device_1(&tmp); 3999 rv = mpt_write_cur_cfg_page(mpt, tgt, 4000 &tmp.Header, sizeof(tmp), FALSE, 5000); 4001 if (rv) { 4002 mpt_prt(mpt, "mpt_update_spi_config: write cur page failed\n"); 4003 return (-1); 4004 } 4005 return (0); 4006 } 4007 4008 static void 4009 mpt_calc_geometry(struct ccb_calc_geometry *ccg, int extended) 4010 { 4011 #if __FreeBSD_version >= 500000 4012 cam_calc_geometry(ccg, extended); 4013 #else 4014 uint32_t size_mb; 4015 uint32_t secs_per_cylinder; 4016 4017 if (ccg->block_size == 0) { 4018 ccg->ccb_h.status = CAM_REQ_INVALID; 4019 return; 4020 } 4021 size_mb = ccg->volume_size / ((1024L * 1024L) / ccg->block_size); 4022 if (size_mb > 1024 && extended) { 4023 ccg->heads = 255; 4024 ccg->secs_per_track = 63; 4025 } else { 4026 ccg->heads = 64; 4027 ccg->secs_per_track = 32; 4028 } 4029 secs_per_cylinder = ccg->heads * ccg->secs_per_track; 4030 ccg->cylinders = ccg->volume_size / secs_per_cylinder; 4031 ccg->ccb_h.status = CAM_REQ_CMP; 4032 #endif 4033 } 4034 4035 /****************************** Timeout Recovery ******************************/ 4036 static int 4037 mpt_spawn_recovery_thread(struct mpt_softc *mpt) 4038 { 4039 int error; 4040 4041 error = mpt_kthread_create(mpt_recovery_thread, mpt, 4042 &mpt->recovery_thread, /*flags*/0, 4043 /*altstack*/0, "mpt_recovery%d", mpt->unit); 4044 return (error); 4045 } 4046 4047 static void 4048 mpt_terminate_recovery_thread(struct mpt_softc *mpt) 4049 { 4050 4051 if (mpt->recovery_thread == NULL) { 4052 return; 4053 } 4054 mpt->shutdwn_recovery = 1; 4055 wakeup(mpt); 4056 /* 4057 * Sleep on a slightly different location 4058 * for this interlock just for added safety. 4059 */ 4060 mpt_sleep(mpt, &mpt->recovery_thread, PUSER, "thtrm", 0); 4061 } 4062 4063 static void 4064 mpt_recovery_thread(void *arg) 4065 { 4066 struct mpt_softc *mpt; 4067 4068 mpt = (struct mpt_softc *)arg; 4069 MPT_LOCK(mpt); 4070 for (;;) { 4071 if (TAILQ_EMPTY(&mpt->request_timeout_list) != 0) { 4072 if (mpt->shutdwn_recovery == 0) { 4073 mpt_sleep(mpt, mpt, PUSER, "idle", 0); 4074 } 4075 } 4076 if (mpt->shutdwn_recovery != 0) { 4077 break; 4078 } 4079 mpt_recover_commands(mpt); 4080 } 4081 mpt->recovery_thread = NULL; 4082 wakeup(&mpt->recovery_thread); 4083 MPT_UNLOCK(mpt); 4084 mpt_kthread_exit(0); 4085 } 4086 4087 static int 4088 mpt_scsi_send_tmf(struct mpt_softc *mpt, u_int type, u_int flags, 4089 u_int channel, u_int target, u_int lun, u_int abort_ctx, int sleep_ok) 4090 { 4091 MSG_SCSI_TASK_MGMT *tmf_req; 4092 int error; 4093 4094 /* 4095 * Wait for any current TMF request to complete. 4096 * We're only allowed to issue one TMF at a time. 4097 */ 4098 error = mpt_wait_req(mpt, mpt->tmf_req, REQ_STATE_FREE, REQ_STATE_FREE, 4099 sleep_ok, MPT_TMF_MAX_TIMEOUT); 4100 if (error != 0) { 4101 mpt_reset(mpt, TRUE); 4102 return (ETIMEDOUT); 4103 } 4104 4105 mpt_assign_serno(mpt, mpt->tmf_req); 4106 mpt->tmf_req->state = REQ_STATE_ALLOCATED|REQ_STATE_QUEUED; 4107 4108 tmf_req = (MSG_SCSI_TASK_MGMT *)mpt->tmf_req->req_vbuf; 4109 memset(tmf_req, 0, sizeof(*tmf_req)); 4110 tmf_req->TargetID = target; 4111 tmf_req->Bus = channel; 4112 tmf_req->Function = MPI_FUNCTION_SCSI_TASK_MGMT; 4113 tmf_req->TaskType = type; 4114 tmf_req->MsgFlags = flags; 4115 tmf_req->MsgContext = 4116 htole32(mpt->tmf_req->index | scsi_tmf_handler_id); 4117 if (lun > MPT_MAX_LUNS) { 4118 tmf_req->LUN[0] = 0x40 | ((lun >> 8) & 0x3f); 4119 tmf_req->LUN[1] = lun & 0xff; 4120 } else { 4121 tmf_req->LUN[1] = lun; 4122 } 4123 tmf_req->TaskMsgContext = abort_ctx; 4124 4125 mpt_lprt(mpt, MPT_PRT_DEBUG, 4126 "Issuing TMF %p:%u with MsgContext of 0x%x\n", mpt->tmf_req, 4127 mpt->tmf_req->serno, tmf_req->MsgContext); 4128 if (mpt->verbose > MPT_PRT_DEBUG) { 4129 mpt_print_request(tmf_req); 4130 } 4131 4132 KASSERT(mpt_req_on_pending_list(mpt, mpt->tmf_req) == 0, 4133 ("mpt_scsi_send_tmf: tmf_req already on pending list")); 4134 TAILQ_INSERT_HEAD(&mpt->request_pending_list, mpt->tmf_req, links); 4135 error = mpt_send_handshake_cmd(mpt, sizeof(*tmf_req), tmf_req); 4136 if (error != MPT_OK) { 4137 TAILQ_REMOVE(&mpt->request_pending_list, mpt->tmf_req, links); 4138 mpt->tmf_req->state = REQ_STATE_FREE; 4139 mpt_reset(mpt, TRUE); 4140 } 4141 return (error); 4142 } 4143 4144 /* 4145 * When a command times out, it is placed on the requeust_timeout_list 4146 * and we wake our recovery thread. The MPT-Fusion architecture supports 4147 * only a single TMF operation at a time, so we serially abort/bdr, etc, 4148 * the timedout transactions. The next TMF is issued either by the 4149 * completion handler of the current TMF waking our recovery thread, 4150 * or the TMF timeout handler causing a hard reset sequence. 4151 */ 4152 static void 4153 mpt_recover_commands(struct mpt_softc *mpt) 4154 { 4155 request_t *req; 4156 union ccb *ccb; 4157 int error; 4158 4159 if (TAILQ_EMPTY(&mpt->request_timeout_list) != 0) { 4160 /* 4161 * No work to do- leave. 4162 */ 4163 mpt_prt(mpt, "mpt_recover_commands: no requests.\n"); 4164 return; 4165 } 4166 4167 /* 4168 * Flush any commands whose completion coincides with their timeout. 4169 */ 4170 mpt_intr(mpt); 4171 4172 if (TAILQ_EMPTY(&mpt->request_timeout_list) != 0) { 4173 /* 4174 * The timedout commands have already 4175 * completed. This typically means 4176 * that either the timeout value was on 4177 * the hairy edge of what the device 4178 * requires or - more likely - interrupts 4179 * are not happening. 4180 */ 4181 mpt_prt(mpt, "Timedout requests already complete. " 4182 "Interrupts may not be functioning.\n"); 4183 mpt_enable_ints(mpt); 4184 return; 4185 } 4186 4187 /* 4188 * We have no visibility into the current state of the 4189 * controller, so attempt to abort the commands in the 4190 * order they timed-out. For initiator commands, we 4191 * depend on the reply handler pulling requests off 4192 * the timeout list. 4193 */ 4194 while ((req = TAILQ_FIRST(&mpt->request_timeout_list)) != NULL) { 4195 uint16_t status; 4196 uint8_t response; 4197 MSG_REQUEST_HEADER *hdrp = req->req_vbuf; 4198 4199 mpt_prt(mpt, "attempting to abort req %p:%u function %x\n", 4200 req, req->serno, hdrp->Function); 4201 ccb = req->ccb; 4202 if (ccb == NULL) { 4203 mpt_prt(mpt, "null ccb in timed out request. " 4204 "Resetting Controller.\n"); 4205 mpt_reset(mpt, TRUE); 4206 continue; 4207 } 4208 mpt_set_ccb_status(ccb, CAM_CMD_TIMEOUT); 4209 4210 /* 4211 * Check to see if this is not an initiator command and 4212 * deal with it differently if it is. 4213 */ 4214 switch (hdrp->Function) { 4215 case MPI_FUNCTION_SCSI_IO_REQUEST: 4216 case MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH: 4217 break; 4218 default: 4219 /* 4220 * XXX: FIX ME: need to abort target assists... 4221 */ 4222 mpt_prt(mpt, "just putting it back on the pend q\n"); 4223 TAILQ_REMOVE(&mpt->request_timeout_list, req, links); 4224 TAILQ_INSERT_HEAD(&mpt->request_pending_list, req, 4225 links); 4226 continue; 4227 } 4228 4229 error = mpt_scsi_send_tmf(mpt, 4230 MPI_SCSITASKMGMT_TASKTYPE_ABORT_TASK, 4231 0, 0, ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 4232 htole32(req->index | scsi_io_handler_id), TRUE); 4233 4234 if (error != 0) { 4235 /* 4236 * mpt_scsi_send_tmf hard resets on failure, so no 4237 * need to do so here. Our queue should be emptied 4238 * by the hard reset. 4239 */ 4240 continue; 4241 } 4242 4243 error = mpt_wait_req(mpt, mpt->tmf_req, REQ_STATE_DONE, 4244 REQ_STATE_DONE, TRUE, 500); 4245 4246 status = le16toh(mpt->tmf_req->IOCStatus); 4247 response = mpt->tmf_req->ResponseCode; 4248 mpt->tmf_req->state = REQ_STATE_FREE; 4249 4250 if (error != 0) { 4251 /* 4252 * If we've errored out,, reset the controller. 4253 */ 4254 mpt_prt(mpt, "mpt_recover_commands: abort timed-out. " 4255 "Resetting controller\n"); 4256 mpt_reset(mpt, TRUE); 4257 continue; 4258 } 4259 4260 if ((status & MPI_IOCSTATUS_MASK) != MPI_IOCSTATUS_SUCCESS) { 4261 mpt_prt(mpt, "mpt_recover_commands: IOC Status 0x%x. " 4262 "Resetting controller.\n", status); 4263 mpt_reset(mpt, TRUE); 4264 continue; 4265 } 4266 4267 if (response != MPI_SCSITASKMGMT_RSP_TM_SUCCEEDED && 4268 response != MPI_SCSITASKMGMT_RSP_TM_COMPLETE) { 4269 mpt_prt(mpt, "mpt_recover_commands: TMF Response 0x%x. " 4270 "Resetting controller.\n", response); 4271 mpt_reset(mpt, TRUE); 4272 continue; 4273 } 4274 mpt_prt(mpt, "abort of req %p:%u completed\n", req, req->serno); 4275 } 4276 } 4277 4278 /************************ Target Mode Support ****************************/ 4279 static void 4280 mpt_fc_post_els(struct mpt_softc *mpt, request_t *req, int ioindex) 4281 { 4282 MSG_LINK_SERVICE_BUFFER_POST_REQUEST *fc; 4283 PTR_SGE_TRANSACTION32 tep; 4284 PTR_SGE_SIMPLE32 se; 4285 bus_addr_t paddr; 4286 uint32_t fl; 4287 4288 paddr = req->req_pbuf; 4289 paddr += MPT_RQSL(mpt); 4290 4291 fc = req->req_vbuf; 4292 memset(fc, 0, MPT_REQUEST_AREA); 4293 fc->BufferCount = 1; 4294 fc->Function = MPI_FUNCTION_FC_LINK_SRVC_BUF_POST; 4295 fc->MsgContext = htole32(req->index | fc_els_handler_id); 4296 4297 /* 4298 * Okay, set up ELS buffer pointers. ELS buffer pointers 4299 * consist of a TE SGL element (with details length of zero) 4300 * followed by a SIMPLE SGL element which holds the address 4301 * of the buffer. 4302 */ 4303 4304 tep = (PTR_SGE_TRANSACTION32) &fc->SGL; 4305 4306 tep->ContextSize = 4; 4307 tep->Flags = 0; 4308 tep->TransactionContext[0] = htole32(ioindex); 4309 4310 se = (PTR_SGE_SIMPLE32) &tep->TransactionDetails[0]; 4311 fl = 4312 MPI_SGE_FLAGS_HOST_TO_IOC | 4313 MPI_SGE_FLAGS_SIMPLE_ELEMENT | 4314 MPI_SGE_FLAGS_LAST_ELEMENT | 4315 MPI_SGE_FLAGS_END_OF_LIST | 4316 MPI_SGE_FLAGS_END_OF_BUFFER; 4317 fl <<= MPI_SGE_FLAGS_SHIFT; 4318 fl |= (MPT_NRFM(mpt) - MPT_RQSL(mpt)); 4319 se->FlagsLength = htole32(fl); 4320 se->Address = htole32((uint32_t) paddr); 4321 mpt_lprt(mpt, MPT_PRT_DEBUG, 4322 "add ELS index %d ioindex %d for %p:%u\n", 4323 req->index, ioindex, req, req->serno); 4324 KASSERT(((req->state & REQ_STATE_LOCKED) != 0), 4325 ("mpt_fc_post_els: request not locked")); 4326 mpt_send_cmd(mpt, req); 4327 } 4328 4329 static void 4330 mpt_post_target_command(struct mpt_softc *mpt, request_t *req, int ioindex) 4331 { 4332 PTR_MSG_TARGET_CMD_BUFFER_POST_REQUEST fc; 4333 PTR_CMD_BUFFER_DESCRIPTOR cb; 4334 bus_addr_t paddr; 4335 4336 paddr = req->req_pbuf; 4337 paddr += MPT_RQSL(mpt); 4338 memset(req->req_vbuf, 0, MPT_REQUEST_AREA); 4339 MPT_TGT_STATE(mpt, req)->state = TGT_STATE_LOADING; 4340 4341 fc = req->req_vbuf; 4342 fc->BufferCount = 1; 4343 fc->Function = MPI_FUNCTION_TARGET_CMD_BUFFER_POST; 4344 fc->MsgContext = htole32(req->index | mpt->scsi_tgt_handler_id); 4345 4346 cb = &fc->Buffer[0]; 4347 cb->IoIndex = htole16(ioindex); 4348 cb->u.PhysicalAddress32 = htole32((U32) paddr); 4349 4350 mpt_check_doorbell(mpt); 4351 mpt_send_cmd(mpt, req); 4352 } 4353 4354 static int 4355 mpt_add_els_buffers(struct mpt_softc *mpt) 4356 { 4357 int i; 4358 4359 if (mpt->is_fc == 0) { 4360 return (TRUE); 4361 } 4362 4363 if (mpt->els_cmds_allocated) { 4364 return (TRUE); 4365 } 4366 4367 mpt->els_cmd_ptrs = malloc(MPT_MAX_ELS * sizeof (request_t *), 4368 M_DEVBUF, M_NOWAIT | M_ZERO); 4369 4370 if (mpt->els_cmd_ptrs == NULL) { 4371 return (FALSE); 4372 } 4373 4374 /* 4375 * Feed the chip some ELS buffer resources 4376 */ 4377 for (i = 0; i < MPT_MAX_ELS; i++) { 4378 request_t *req = mpt_get_request(mpt, FALSE); 4379 if (req == NULL) { 4380 break; 4381 } 4382 req->state |= REQ_STATE_LOCKED; 4383 mpt->els_cmd_ptrs[i] = req; 4384 mpt_fc_post_els(mpt, req, i); 4385 } 4386 4387 if (i == 0) { 4388 mpt_prt(mpt, "unable to add ELS buffer resources\n"); 4389 free(mpt->els_cmd_ptrs, M_DEVBUF); 4390 mpt->els_cmd_ptrs = NULL; 4391 return (FALSE); 4392 } 4393 if (i != MPT_MAX_ELS) { 4394 mpt_lprt(mpt, MPT_PRT_INFO, 4395 "only added %d of %d ELS buffers\n", i, MPT_MAX_ELS); 4396 } 4397 mpt->els_cmds_allocated = i; 4398 return(TRUE); 4399 } 4400 4401 static int 4402 mpt_add_target_commands(struct mpt_softc *mpt) 4403 { 4404 int i, max; 4405 4406 if (mpt->tgt_cmd_ptrs) { 4407 return (TRUE); 4408 } 4409 4410 max = MPT_MAX_REQUESTS(mpt) >> 1; 4411 if (max > mpt->mpt_max_tgtcmds) { 4412 max = mpt->mpt_max_tgtcmds; 4413 } 4414 mpt->tgt_cmd_ptrs = 4415 malloc(max * sizeof (request_t *), M_DEVBUF, M_NOWAIT | M_ZERO); 4416 if (mpt->tgt_cmd_ptrs == NULL) { 4417 mpt_prt(mpt, 4418 "mpt_add_target_commands: could not allocate cmd ptrs\n"); 4419 return (FALSE); 4420 } 4421 4422 for (i = 0; i < max; i++) { 4423 request_t *req; 4424 4425 req = mpt_get_request(mpt, FALSE); 4426 if (req == NULL) { 4427 break; 4428 } 4429 req->state |= REQ_STATE_LOCKED; 4430 mpt->tgt_cmd_ptrs[i] = req; 4431 mpt_post_target_command(mpt, req, i); 4432 } 4433 4434 4435 if (i == 0) { 4436 mpt_lprt(mpt, MPT_PRT_ERROR, "could not add any target bufs\n"); 4437 free(mpt->tgt_cmd_ptrs, M_DEVBUF); 4438 mpt->tgt_cmd_ptrs = NULL; 4439 return (FALSE); 4440 } 4441 4442 mpt->tgt_cmds_allocated = i; 4443 4444 if (i < max) { 4445 mpt_lprt(mpt, MPT_PRT_INFO, 4446 "added %d of %d target bufs\n", i, max); 4447 } 4448 return (i); 4449 } 4450 4451 static int 4452 mpt_enable_lun(struct mpt_softc *mpt, target_id_t tgt, lun_id_t lun) 4453 { 4454 4455 if (tgt == CAM_TARGET_WILDCARD && lun == CAM_LUN_WILDCARD) { 4456 mpt->twildcard = 1; 4457 } else if (lun >= MPT_MAX_LUNS) { 4458 return (EINVAL); 4459 } else if (tgt != CAM_TARGET_WILDCARD && tgt != 0) { 4460 return (EINVAL); 4461 } 4462 if (mpt->tenabled == 0) { 4463 if (mpt->is_fc) { 4464 (void) mpt_fc_reset_link(mpt, 0); 4465 } 4466 mpt->tenabled = 1; 4467 } 4468 if (lun == CAM_LUN_WILDCARD) { 4469 mpt->trt_wildcard.enabled = 1; 4470 } else { 4471 mpt->trt[lun].enabled = 1; 4472 } 4473 return (0); 4474 } 4475 4476 static int 4477 mpt_disable_lun(struct mpt_softc *mpt, target_id_t tgt, lun_id_t lun) 4478 { 4479 int i; 4480 4481 if (tgt == CAM_TARGET_WILDCARD && lun == CAM_LUN_WILDCARD) { 4482 mpt->twildcard = 0; 4483 } else if (lun >= MPT_MAX_LUNS) { 4484 return (EINVAL); 4485 } else if (tgt != CAM_TARGET_WILDCARD && tgt != 0) { 4486 return (EINVAL); 4487 } 4488 if (lun == CAM_LUN_WILDCARD) { 4489 mpt->trt_wildcard.enabled = 0; 4490 } else { 4491 mpt->trt[lun].enabled = 0; 4492 } 4493 for (i = 0; i < MPT_MAX_LUNS; i++) { 4494 if (mpt->trt[lun].enabled) { 4495 break; 4496 } 4497 } 4498 if (i == MPT_MAX_LUNS && mpt->twildcard == 0) { 4499 if (mpt->is_fc) { 4500 (void) mpt_fc_reset_link(mpt, 0); 4501 } 4502 mpt->tenabled = 0; 4503 } 4504 return (0); 4505 } 4506 4507 /* 4508 * Called with MPT lock held 4509 */ 4510 static void 4511 mpt_target_start_io(struct mpt_softc *mpt, union ccb *ccb) 4512 { 4513 struct ccb_scsiio *csio = &ccb->csio; 4514 request_t *cmd_req = MPT_TAG_2_REQ(mpt, csio->tag_id); 4515 mpt_tgt_state_t *tgt = MPT_TGT_STATE(mpt, cmd_req); 4516 4517 switch (tgt->state) { 4518 case TGT_STATE_IN_CAM: 4519 break; 4520 case TGT_STATE_MOVING_DATA: 4521 mpt_set_ccb_status(ccb, CAM_REQUEUE_REQ); 4522 xpt_freeze_simq(mpt->sim, 1); 4523 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 4524 tgt->ccb->ccb_h.status |= CAM_RELEASE_SIMQ; 4525 MPTLOCK_2_CAMLOCK(mpt); 4526 xpt_done(ccb); 4527 CAMLOCK_2_MPTLOCK(mpt); 4528 return; 4529 default: 4530 mpt_prt(mpt, "ccb %p flags 0x%x tag 0x%08x had bad request " 4531 "starting I/O\n", ccb, csio->ccb_h.flags, csio->tag_id); 4532 mpt_tgt_dump_req_state(mpt, cmd_req); 4533 mpt_set_ccb_status(ccb, CAM_REQ_CMP_ERR); 4534 MPTLOCK_2_CAMLOCK(mpt); 4535 xpt_done(ccb); 4536 CAMLOCK_2_MPTLOCK(mpt); 4537 return; 4538 } 4539 4540 if (csio->dxfer_len) { 4541 bus_dmamap_callback_t *cb; 4542 PTR_MSG_TARGET_ASSIST_REQUEST ta; 4543 request_t *req; 4544 4545 KASSERT((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE, 4546 ("dxfer_len %u but direction is NONE\n", csio->dxfer_len)); 4547 4548 if ((req = mpt_get_request(mpt, FALSE)) == NULL) { 4549 if (mpt->outofbeer == 0) { 4550 mpt->outofbeer = 1; 4551 xpt_freeze_simq(mpt->sim, 1); 4552 mpt_lprt(mpt, MPT_PRT_DEBUG, "FREEZEQ\n"); 4553 } 4554 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 4555 mpt_set_ccb_status(ccb, CAM_REQUEUE_REQ); 4556 MPTLOCK_2_CAMLOCK(mpt); 4557 xpt_done(ccb); 4558 CAMLOCK_2_MPTLOCK(mpt); 4559 return; 4560 } 4561 ccb->ccb_h.status = CAM_SIM_QUEUED | CAM_REQ_INPROG; 4562 if (sizeof (bus_addr_t) > 4) { 4563 cb = mpt_execute_req_a64; 4564 } else { 4565 cb = mpt_execute_req; 4566 } 4567 4568 req->ccb = ccb; 4569 ccb->ccb_h.ccb_req_ptr = req; 4570 4571 /* 4572 * Record the currently active ccb and the 4573 * request for it in our target state area. 4574 */ 4575 tgt->ccb = ccb; 4576 tgt->req = req; 4577 4578 memset(req->req_vbuf, 0, MPT_RQSL(mpt)); 4579 ta = req->req_vbuf; 4580 4581 if (mpt->is_sas) { 4582 PTR_MPI_TARGET_SSP_CMD_BUFFER ssp = 4583 cmd_req->req_vbuf; 4584 ta->QueueTag = ssp->InitiatorTag; 4585 } else if (mpt->is_spi) { 4586 PTR_MPI_TARGET_SCSI_SPI_CMD_BUFFER sp = 4587 cmd_req->req_vbuf; 4588 ta->QueueTag = sp->Tag; 4589 } 4590 ta->Function = MPI_FUNCTION_TARGET_ASSIST; 4591 ta->MsgContext = htole32(req->index | mpt->scsi_tgt_handler_id); 4592 ta->ReplyWord = htole32(tgt->reply_desc); 4593 if (csio->ccb_h.target_lun > MPT_MAX_LUNS) { 4594 ta->LUN[0] = 4595 0x40 | ((csio->ccb_h.target_lun >> 8) & 0x3f); 4596 ta->LUN[1] = csio->ccb_h.target_lun & 0xff; 4597 } else { 4598 ta->LUN[1] = csio->ccb_h.target_lun; 4599 } 4600 4601 ta->RelativeOffset = tgt->bytes_xfered; 4602 ta->DataLength = ccb->csio.dxfer_len; 4603 if (ta->DataLength > tgt->resid) { 4604 ta->DataLength = tgt->resid; 4605 } 4606 4607 /* 4608 * XXX Should be done after data transfer completes? 4609 */ 4610 tgt->resid -= csio->dxfer_len; 4611 tgt->bytes_xfered += csio->dxfer_len; 4612 4613 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { 4614 ta->TargetAssistFlags |= 4615 TARGET_ASSIST_FLAGS_DATA_DIRECTION; 4616 } 4617 4618 #ifdef WE_TRUST_AUTO_GOOD_STATUS 4619 if ((ccb->ccb_h.flags & CAM_SEND_STATUS) && 4620 csio->scsi_status == SCSI_STATUS_OK && tgt->resid == 0) { 4621 ta->TargetAssistFlags |= 4622 TARGET_ASSIST_FLAGS_AUTO_STATUS; 4623 } 4624 #endif 4625 tgt->state = TGT_STATE_SETTING_UP_FOR_DATA; 4626 4627 mpt_lprt(mpt, MPT_PRT_DEBUG, 4628 "DATA_CCB %p tag %x %u bytes %u resid flg %x req %p:%u " 4629 "nxtstate=%d\n", csio, csio->tag_id, csio->dxfer_len, 4630 tgt->resid, ccb->ccb_h.flags, req, req->serno, tgt->state); 4631 4632 MPTLOCK_2_CAMLOCK(mpt); 4633 if ((ccb->ccb_h.flags & CAM_SCATTER_VALID) == 0) { 4634 if ((ccb->ccb_h.flags & CAM_DATA_PHYS) == 0) { 4635 int error; 4636 int s = splsoftvm(); 4637 error = bus_dmamap_load(mpt->buffer_dmat, 4638 req->dmap, csio->data_ptr, csio->dxfer_len, 4639 cb, req, 0); 4640 splx(s); 4641 if (error == EINPROGRESS) { 4642 xpt_freeze_simq(mpt->sim, 1); 4643 ccb->ccb_h.status |= CAM_RELEASE_SIMQ; 4644 } 4645 } else { 4646 /* 4647 * We have been given a pointer to single 4648 * physical buffer. 4649 */ 4650 struct bus_dma_segment seg; 4651 seg.ds_addr = (bus_addr_t) 4652 (vm_offset_t)csio->data_ptr; 4653 seg.ds_len = csio->dxfer_len; 4654 (*cb)(req, &seg, 1, 0); 4655 } 4656 } else { 4657 /* 4658 * We have been given a list of addresses. 4659 * This case could be easily supported but they are not 4660 * currently generated by the CAM subsystem so there 4661 * is no point in wasting the time right now. 4662 */ 4663 struct bus_dma_segment *sgs; 4664 if ((ccb->ccb_h.flags & CAM_SG_LIST_PHYS) == 0) { 4665 (*cb)(req, NULL, 0, EFAULT); 4666 } else { 4667 /* Just use the segments provided */ 4668 sgs = (struct bus_dma_segment *)csio->data_ptr; 4669 (*cb)(req, sgs, csio->sglist_cnt, 0); 4670 } 4671 } 4672 CAMLOCK_2_MPTLOCK(mpt); 4673 } else { 4674 uint8_t *sp = NULL, sense[MPT_SENSE_SIZE]; 4675 4676 /* 4677 * XXX: I don't know why this seems to happen, but 4678 * XXX: completing the CCB seems to make things happy. 4679 * XXX: This seems to happen if the initiator requests 4680 * XXX: enough data that we have to do multiple CTIOs. 4681 */ 4682 if ((ccb->ccb_h.flags & CAM_SEND_STATUS) == 0) { 4683 mpt_lprt(mpt, MPT_PRT_DEBUG, 4684 "Meaningless STATUS CCB (%p): flags %x status %x " 4685 "resid %d bytes_xfered %u\n", ccb, ccb->ccb_h.flags, 4686 ccb->ccb_h.status, tgt->resid, tgt->bytes_xfered); 4687 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 4688 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 4689 MPTLOCK_2_CAMLOCK(mpt); 4690 xpt_done(ccb); 4691 CAMLOCK_2_MPTLOCK(mpt); 4692 return; 4693 } 4694 if (ccb->ccb_h.flags & CAM_SEND_SENSE) { 4695 sp = sense; 4696 memcpy(sp, &csio->sense_data, 4697 min(csio->sense_len, MPT_SENSE_SIZE)); 4698 } 4699 mpt_scsi_tgt_status(mpt, ccb, cmd_req, csio->scsi_status, sp); 4700 } 4701 } 4702 4703 static void 4704 mpt_scsi_tgt_local(struct mpt_softc *mpt, request_t *cmd_req, 4705 uint32_t lun, int send, uint8_t *data, size_t length) 4706 { 4707 mpt_tgt_state_t *tgt; 4708 PTR_MSG_TARGET_ASSIST_REQUEST ta; 4709 SGE_SIMPLE32 *se; 4710 uint32_t flags; 4711 uint8_t *dptr; 4712 bus_addr_t pptr; 4713 request_t *req; 4714 4715 /* 4716 * We enter with resid set to the data load for the command. 4717 */ 4718 tgt = MPT_TGT_STATE(mpt, cmd_req); 4719 if (length == 0 || tgt->resid == 0) { 4720 tgt->resid = 0; 4721 mpt_scsi_tgt_status(mpt, NULL, cmd_req, 0, NULL); 4722 return; 4723 } 4724 4725 if ((req = mpt_get_request(mpt, FALSE)) == NULL) { 4726 mpt_prt(mpt, "out of resources- dropping local response\n"); 4727 return; 4728 } 4729 tgt->is_local = 1; 4730 4731 4732 memset(req->req_vbuf, 0, MPT_RQSL(mpt)); 4733 ta = req->req_vbuf; 4734 4735 if (mpt->is_sas) { 4736 PTR_MPI_TARGET_SSP_CMD_BUFFER ssp = cmd_req->req_vbuf; 4737 ta->QueueTag = ssp->InitiatorTag; 4738 } else if (mpt->is_spi) { 4739 PTR_MPI_TARGET_SCSI_SPI_CMD_BUFFER sp = cmd_req->req_vbuf; 4740 ta->QueueTag = sp->Tag; 4741 } 4742 ta->Function = MPI_FUNCTION_TARGET_ASSIST; 4743 ta->MsgContext = htole32(req->index | mpt->scsi_tgt_handler_id); 4744 ta->ReplyWord = htole32(tgt->reply_desc); 4745 if (lun > MPT_MAX_LUNS) { 4746 ta->LUN[0] = 0x40 | ((lun >> 8) & 0x3f); 4747 ta->LUN[1] = lun & 0xff; 4748 } else { 4749 ta->LUN[1] = lun; 4750 } 4751 ta->RelativeOffset = 0; 4752 ta->DataLength = length; 4753 4754 dptr = req->req_vbuf; 4755 dptr += MPT_RQSL(mpt); 4756 pptr = req->req_pbuf; 4757 pptr += MPT_RQSL(mpt); 4758 memcpy(dptr, data, min(length, MPT_RQSL(mpt))); 4759 4760 se = (SGE_SIMPLE32 *) &ta->SGL[0]; 4761 memset(se, 0,sizeof (*se)); 4762 4763 flags = MPI_SGE_FLAGS_SIMPLE_ELEMENT; 4764 if (send) { 4765 ta->TargetAssistFlags |= TARGET_ASSIST_FLAGS_DATA_DIRECTION; 4766 flags |= MPI_SGE_FLAGS_HOST_TO_IOC; 4767 } 4768 se->Address = pptr; 4769 MPI_pSGE_SET_LENGTH(se, length); 4770 flags |= MPI_SGE_FLAGS_LAST_ELEMENT; 4771 flags |= MPI_SGE_FLAGS_END_OF_LIST | MPI_SGE_FLAGS_END_OF_BUFFER; 4772 MPI_pSGE_SET_FLAGS(se, flags); 4773 4774 tgt->ccb = NULL; 4775 tgt->req = req; 4776 tgt->resid -= length; 4777 tgt->bytes_xfered = length; 4778 #ifdef WE_TRUST_AUTO_GOOD_STATUS 4779 tgt->state = TGT_STATE_MOVING_DATA_AND_STATUS; 4780 #else 4781 tgt->state = TGT_STATE_MOVING_DATA; 4782 #endif 4783 mpt_send_cmd(mpt, req); 4784 } 4785 4786 /* 4787 * Abort queued up CCBs 4788 */ 4789 static cam_status 4790 mpt_abort_target_ccb(struct mpt_softc *mpt, union ccb *ccb) 4791 { 4792 struct mpt_hdr_stailq *lp; 4793 struct ccb_hdr *srch; 4794 int found = 0; 4795 union ccb *accb = ccb->cab.abort_ccb; 4796 tgt_resource_t *trtp; 4797 4798 mpt_lprt(mpt, MPT_PRT_DEBUG, "aborting ccb %p\n", accb); 4799 4800 if (ccb->ccb_h.target_lun == CAM_LUN_WILDCARD) { 4801 trtp = &mpt->trt_wildcard; 4802 } else { 4803 trtp = &mpt->trt[ccb->ccb_h.target_lun]; 4804 } 4805 4806 if (accb->ccb_h.func_code == XPT_ACCEPT_TARGET_IO) { 4807 lp = &trtp->atios; 4808 } else if (accb->ccb_h.func_code == XPT_IMMED_NOTIFY) { 4809 lp = &trtp->inots; 4810 } else { 4811 return (CAM_REQ_INVALID); 4812 } 4813 4814 STAILQ_FOREACH(srch, lp, sim_links.stqe) { 4815 if (srch == &accb->ccb_h) { 4816 found = 1; 4817 STAILQ_REMOVE(lp, srch, ccb_hdr, sim_links.stqe); 4818 break; 4819 } 4820 } 4821 if (found) { 4822 accb->ccb_h.status = CAM_REQ_ABORTED; 4823 xpt_done(accb); 4824 return (CAM_REQ_CMP); 4825 } 4826 mpt_prt(mpt, "mpt_abort_tgt_ccb: CCB %p not found\n", ccb); 4827 return (CAM_PATH_INVALID); 4828 } 4829 4830 /* 4831 * Ask the MPT to abort the current target command 4832 */ 4833 static int 4834 mpt_abort_target_cmd(struct mpt_softc *mpt, request_t *cmd_req) 4835 { 4836 int error; 4837 request_t *req; 4838 PTR_MSG_TARGET_MODE_ABORT abtp; 4839 4840 req = mpt_get_request(mpt, FALSE); 4841 if (req == NULL) { 4842 return (-1); 4843 } 4844 abtp = req->req_vbuf; 4845 memset(abtp, 0, sizeof (*abtp)); 4846 4847 abtp->MsgContext = htole32(req->index | mpt->scsi_tgt_handler_id); 4848 abtp->AbortType = TARGET_MODE_ABORT_TYPE_EXACT_IO; 4849 abtp->Function = MPI_FUNCTION_TARGET_MODE_ABORT; 4850 abtp->ReplyWord = htole32(MPT_TGT_STATE(mpt, cmd_req)->reply_desc); 4851 error = 0; 4852 if (mpt->is_fc || mpt->is_sas) { 4853 mpt_send_cmd(mpt, req); 4854 } else { 4855 error = mpt_send_handshake_cmd(mpt, sizeof(*req), req); 4856 } 4857 return (error); 4858 } 4859 4860 /* 4861 * WE_TRUST_AUTO_GOOD_STATUS- I've found that setting 4862 * TARGET_STATUS_SEND_FLAGS_AUTO_GOOD_STATUS leads the 4863 * FC929 to set bogus FC_RSP fields (nonzero residuals 4864 * but w/o RESID fields set). This causes QLogic initiators 4865 * to think maybe that a frame was lost. 4866 * 4867 * WE_CAN_USE_AUTO_REPOST- we can't use AUTO_REPOST because 4868 * we use allocated requests to do TARGET_ASSIST and we 4869 * need to know when to release them. 4870 */ 4871 4872 static void 4873 mpt_scsi_tgt_status(struct mpt_softc *mpt, union ccb *ccb, request_t *cmd_req, 4874 uint8_t status, uint8_t const *sense_data) 4875 { 4876 uint8_t *cmd_vbuf; 4877 mpt_tgt_state_t *tgt; 4878 PTR_MSG_TARGET_STATUS_SEND_REQUEST tp; 4879 request_t *req; 4880 bus_addr_t paddr; 4881 int resplen = 0; 4882 uint32_t fl; 4883 4884 cmd_vbuf = cmd_req->req_vbuf; 4885 cmd_vbuf += MPT_RQSL(mpt); 4886 tgt = MPT_TGT_STATE(mpt, cmd_req); 4887 4888 if ((req = mpt_get_request(mpt, FALSE)) == NULL) { 4889 if (mpt->outofbeer == 0) { 4890 mpt->outofbeer = 1; 4891 xpt_freeze_simq(mpt->sim, 1); 4892 mpt_lprt(mpt, MPT_PRT_DEBUG, "FREEZEQ\n"); 4893 } 4894 if (ccb) { 4895 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 4896 mpt_set_ccb_status(ccb, CAM_REQUEUE_REQ); 4897 MPTLOCK_2_CAMLOCK(mpt); 4898 xpt_done(ccb); 4899 CAMLOCK_2_MPTLOCK(mpt); 4900 } else { 4901 mpt_prt(mpt, 4902 "could not allocate status request- dropping\n"); 4903 } 4904 return; 4905 } 4906 req->ccb = ccb; 4907 if (ccb) { 4908 ccb->ccb_h.ccb_mpt_ptr = mpt; 4909 ccb->ccb_h.ccb_req_ptr = req; 4910 } 4911 4912 /* 4913 * Record the currently active ccb, if any, and the 4914 * request for it in our target state area. 4915 */ 4916 tgt->ccb = ccb; 4917 tgt->req = req; 4918 tgt->state = TGT_STATE_SENDING_STATUS; 4919 4920 tp = req->req_vbuf; 4921 paddr = req->req_pbuf; 4922 paddr += MPT_RQSL(mpt); 4923 4924 memset(tp, 0, sizeof (*tp)); 4925 tp->Function = MPI_FUNCTION_TARGET_STATUS_SEND; 4926 if (mpt->is_fc) { 4927 PTR_MPI_TARGET_FCP_CMD_BUFFER fc = 4928 (PTR_MPI_TARGET_FCP_CMD_BUFFER) cmd_vbuf; 4929 uint8_t *sts_vbuf; 4930 uint32_t *rsp; 4931 4932 sts_vbuf = req->req_vbuf; 4933 sts_vbuf += MPT_RQSL(mpt); 4934 rsp = (uint32_t *) sts_vbuf; 4935 memcpy(tp->LUN, fc->FcpLun, sizeof (tp->LUN)); 4936 4937 /* 4938 * The MPI_TARGET_FCP_RSP_BUFFER define is unfortunate. 4939 * It has to be big-endian in memory and is organized 4940 * in 32 bit words, which are much easier to deal with 4941 * as words which are swizzled as needed. 4942 * 4943 * All we're filling here is the FC_RSP payload. 4944 * We may just have the chip synthesize it if 4945 * we have no residual and an OK status. 4946 * 4947 */ 4948 memset(rsp, 0, sizeof (MPI_TARGET_FCP_RSP_BUFFER)); 4949 4950 rsp[2] = status; 4951 if (tgt->resid) { 4952 rsp[2] |= 0x800; /* XXXX NEED MNEMONIC!!!! */ 4953 rsp[3] = htobe32(tgt->resid); 4954 #ifdef WE_TRUST_AUTO_GOOD_STATUS 4955 resplen = sizeof (MPI_TARGET_FCP_RSP_BUFFER); 4956 #endif 4957 } 4958 if (status == SCSI_STATUS_CHECK_COND) { 4959 int i; 4960 4961 rsp[2] |= 0x200; /* XXXX NEED MNEMONIC!!!! */ 4962 rsp[4] = htobe32(MPT_SENSE_SIZE); 4963 if (sense_data) { 4964 memcpy(&rsp[8], sense_data, MPT_SENSE_SIZE); 4965 } else { 4966 mpt_prt(mpt, "mpt_scsi_tgt_status: CHECK CONDI" 4967 "TION but no sense data?\n"); 4968 memset(&rsp, 0, MPT_SENSE_SIZE); 4969 } 4970 for (i = 8; i < (8 + (MPT_SENSE_SIZE >> 2)); i++) { 4971 rsp[i] = htobe32(rsp[i]); 4972 } 4973 #ifdef WE_TRUST_AUTO_GOOD_STATUS 4974 resplen = sizeof (MPI_TARGET_FCP_RSP_BUFFER); 4975 #endif 4976 } 4977 #ifndef WE_TRUST_AUTO_GOOD_STATUS 4978 resplen = sizeof (MPI_TARGET_FCP_RSP_BUFFER); 4979 #endif 4980 rsp[2] = htobe32(rsp[2]); 4981 } else if (mpt->is_sas) { 4982 PTR_MPI_TARGET_SSP_CMD_BUFFER ssp = 4983 (PTR_MPI_TARGET_SSP_CMD_BUFFER) cmd_vbuf; 4984 memcpy(tp->LUN, ssp->LogicalUnitNumber, sizeof (tp->LUN)); 4985 } else { 4986 PTR_MPI_TARGET_SCSI_SPI_CMD_BUFFER sp = 4987 (PTR_MPI_TARGET_SCSI_SPI_CMD_BUFFER) cmd_vbuf; 4988 tp->StatusCode = status; 4989 tp->QueueTag = htole16(sp->Tag); 4990 memcpy(tp->LUN, sp->LogicalUnitNumber, sizeof (tp->LUN)); 4991 } 4992 4993 tp->ReplyWord = htole32(tgt->reply_desc); 4994 tp->MsgContext = htole32(req->index | mpt->scsi_tgt_handler_id); 4995 4996 #ifdef WE_CAN_USE_AUTO_REPOST 4997 tp->MsgFlags = TARGET_STATUS_SEND_FLAGS_REPOST_CMD_BUFFER; 4998 #endif 4999 if (status == SCSI_STATUS_OK && resplen == 0) { 5000 tp->MsgFlags |= TARGET_STATUS_SEND_FLAGS_AUTO_GOOD_STATUS; 5001 } else { 5002 tp->StatusDataSGE.u.Address32 = htole32((uint32_t) paddr); 5003 fl = 5004 MPI_SGE_FLAGS_HOST_TO_IOC | 5005 MPI_SGE_FLAGS_SIMPLE_ELEMENT | 5006 MPI_SGE_FLAGS_LAST_ELEMENT | 5007 MPI_SGE_FLAGS_END_OF_LIST | 5008 MPI_SGE_FLAGS_END_OF_BUFFER; 5009 fl <<= MPI_SGE_FLAGS_SHIFT; 5010 fl |= resplen; 5011 tp->StatusDataSGE.FlagsLength = htole32(fl); 5012 } 5013 5014 mpt_lprt(mpt, MPT_PRT_DEBUG, 5015 "STATUS_CCB %p (wit%s sense) tag %x req %p:%u resid %u\n", 5016 ccb, sense_data?"h" : "hout", ccb? ccb->csio.tag_id : -1, req, 5017 req->serno, tgt->resid); 5018 if (ccb) { 5019 ccb->ccb_h.status = CAM_SIM_QUEUED | CAM_REQ_INPROG; 5020 mpt_req_timeout(req, 60 * hz, mpt_timeout, ccb); 5021 } 5022 mpt_send_cmd(mpt, req); 5023 } 5024 5025 static void 5026 mpt_scsi_tgt_tsk_mgmt(struct mpt_softc *mpt, request_t *req, mpt_task_mgmt_t fc, 5027 tgt_resource_t *trtp, int init_id) 5028 { 5029 struct ccb_immed_notify *inot; 5030 mpt_tgt_state_t *tgt; 5031 5032 tgt = MPT_TGT_STATE(mpt, req); 5033 inot = (struct ccb_immed_notify *) STAILQ_FIRST(&trtp->inots); 5034 if (inot == NULL) { 5035 mpt_lprt(mpt, MPT_PRT_WARN, "no INOTSs- sending back BSY\n"); 5036 mpt_scsi_tgt_status(mpt, NULL, req, SCSI_STATUS_BUSY, NULL); 5037 return; 5038 } 5039 STAILQ_REMOVE_HEAD(&trtp->inots, sim_links.stqe); 5040 mpt_lprt(mpt, MPT_PRT_DEBUG1, 5041 "Get FREE INOT %p lun %d\n", inot, inot->ccb_h.target_lun); 5042 5043 memset(&inot->sense_data, 0, sizeof (inot->sense_data)); 5044 inot->sense_len = 0; 5045 memset(inot->message_args, 0, sizeof (inot->message_args)); 5046 inot->initiator_id = init_id; /* XXX */ 5047 5048 /* 5049 * This is a somewhat grotesque attempt to map from task management 5050 * to old style SCSI messages. God help us all. 5051 */ 5052 switch (fc) { 5053 case MPT_ABORT_TASK_SET: 5054 inot->message_args[0] = MSG_ABORT_TAG; 5055 break; 5056 case MPT_CLEAR_TASK_SET: 5057 inot->message_args[0] = MSG_CLEAR_TASK_SET; 5058 break; 5059 case MPT_TARGET_RESET: 5060 inot->message_args[0] = MSG_TARGET_RESET; 5061 break; 5062 case MPT_CLEAR_ACA: 5063 inot->message_args[0] = MSG_CLEAR_ACA; 5064 break; 5065 case MPT_TERMINATE_TASK: 5066 inot->message_args[0] = MSG_ABORT_TAG; 5067 break; 5068 default: 5069 inot->message_args[0] = MSG_NOOP; 5070 break; 5071 } 5072 tgt->ccb = (union ccb *) inot; 5073 inot->ccb_h.status = CAM_MESSAGE_RECV|CAM_DEV_QFRZN; 5074 MPTLOCK_2_CAMLOCK(mpt); 5075 xpt_done((union ccb *)inot); 5076 CAMLOCK_2_MPTLOCK(mpt); 5077 } 5078 5079 static void 5080 mpt_scsi_tgt_atio(struct mpt_softc *mpt, request_t *req, uint32_t reply_desc) 5081 { 5082 static uint8_t null_iqd[SHORT_INQUIRY_LENGTH] = { 5083 0x7f, 0x00, 0x02, 0x02, 0x20, 0x00, 0x00, 0x32, 5084 'F', 'R', 'E', 'E', 'B', 'S', 'D', ' ', 5085 'L', 'S', 'I', '-', 'L', 'O', 'G', 'I', 5086 'C', ' ', 'N', 'U', 'L', 'D', 'E', 'V', 5087 '0', '0', '0', '1' 5088 }; 5089 struct ccb_accept_tio *atiop; 5090 lun_id_t lun; 5091 int tag_action = 0; 5092 mpt_tgt_state_t *tgt; 5093 tgt_resource_t *trtp = NULL; 5094 U8 *lunptr; 5095 U8 *vbuf; 5096 U16 itag; 5097 U16 ioindex; 5098 mpt_task_mgmt_t fct = MPT_NIL_TMT_VALUE; 5099 uint8_t *cdbp; 5100 5101 /* 5102 * Stash info for the current command where we can get at it later. 5103 */ 5104 vbuf = req->req_vbuf; 5105 vbuf += MPT_RQSL(mpt); 5106 5107 /* 5108 * Get our state pointer set up. 5109 */ 5110 tgt = MPT_TGT_STATE(mpt, req); 5111 if (tgt->state != TGT_STATE_LOADED) { 5112 mpt_tgt_dump_req_state(mpt, req); 5113 panic("bad target state in mpt_scsi_tgt_atio"); 5114 } 5115 memset(tgt, 0, sizeof (mpt_tgt_state_t)); 5116 tgt->state = TGT_STATE_IN_CAM; 5117 tgt->reply_desc = reply_desc; 5118 ioindex = GET_IO_INDEX(reply_desc); 5119 if (mpt->verbose >= MPT_PRT_DEBUG) { 5120 mpt_dump_data(mpt, "mpt_scsi_tgt_atio response", vbuf, 5121 max(sizeof (MPI_TARGET_FCP_CMD_BUFFER), 5122 max(sizeof (MPI_TARGET_SSP_CMD_BUFFER), 5123 sizeof (MPI_TARGET_SCSI_SPI_CMD_BUFFER)))); 5124 } 5125 if (mpt->is_fc) { 5126 PTR_MPI_TARGET_FCP_CMD_BUFFER fc; 5127 fc = (PTR_MPI_TARGET_FCP_CMD_BUFFER) vbuf; 5128 if (fc->FcpCntl[2]) { 5129 /* 5130 * Task Management Request 5131 */ 5132 switch (fc->FcpCntl[2]) { 5133 case 0x2: 5134 fct = MPT_ABORT_TASK_SET; 5135 break; 5136 case 0x4: 5137 fct = MPT_CLEAR_TASK_SET; 5138 break; 5139 case 0x20: 5140 fct = MPT_TARGET_RESET; 5141 break; 5142 case 0x40: 5143 fct = MPT_CLEAR_ACA; 5144 break; 5145 case 0x80: 5146 fct = MPT_TERMINATE_TASK; 5147 break; 5148 default: 5149 mpt_prt(mpt, "CORRUPTED TASK MGMT BITS: 0x%x\n", 5150 fc->FcpCntl[2]); 5151 mpt_scsi_tgt_status(mpt, 0, req, 5152 SCSI_STATUS_OK, 0); 5153 return; 5154 } 5155 } else { 5156 switch (fc->FcpCntl[1]) { 5157 case 0: 5158 tag_action = MSG_SIMPLE_Q_TAG; 5159 break; 5160 case 1: 5161 tag_action = MSG_HEAD_OF_Q_TAG; 5162 break; 5163 case 2: 5164 tag_action = MSG_ORDERED_Q_TAG; 5165 break; 5166 default: 5167 /* 5168 * Bah. Ignore Untagged Queing and ACA 5169 */ 5170 tag_action = MSG_SIMPLE_Q_TAG; 5171 break; 5172 } 5173 } 5174 tgt->resid = be32toh(fc->FcpDl); 5175 cdbp = fc->FcpCdb; 5176 lunptr = fc->FcpLun; 5177 itag = be16toh(fc->OptionalOxid); 5178 } else if (mpt->is_sas) { 5179 PTR_MPI_TARGET_SSP_CMD_BUFFER ssp; 5180 ssp = (PTR_MPI_TARGET_SSP_CMD_BUFFER) vbuf; 5181 cdbp = ssp->CDB; 5182 lunptr = ssp->LogicalUnitNumber; 5183 itag = ssp->InitiatorTag; 5184 } else { 5185 PTR_MPI_TARGET_SCSI_SPI_CMD_BUFFER sp; 5186 sp = (PTR_MPI_TARGET_SCSI_SPI_CMD_BUFFER) vbuf; 5187 cdbp = sp->CDB; 5188 lunptr = sp->LogicalUnitNumber; 5189 itag = sp->Tag; 5190 } 5191 5192 /* 5193 * Generate a simple lun 5194 */ 5195 switch (lunptr[0] & 0xc0) { 5196 case 0x40: 5197 lun = ((lunptr[0] & 0x3f) << 8) | lunptr[1]; 5198 break; 5199 case 0: 5200 lun = lunptr[1]; 5201 break; 5202 default: 5203 mpt_lprt(mpt, MPT_PRT_ERROR, "cannot handle this type lun\n"); 5204 lun = 0xffff; 5205 break; 5206 } 5207 5208 /* 5209 * Deal with non-enabled or bad luns here. 5210 */ 5211 if (lun >= MPT_MAX_LUNS || mpt->tenabled == 0 || 5212 mpt->trt[lun].enabled == 0) { 5213 if (mpt->twildcard) { 5214 trtp = &mpt->trt_wildcard; 5215 } else if (fct == MPT_NIL_TMT_VALUE) { 5216 /* 5217 * In this case, we haven't got an upstream listener 5218 * for either a specific lun or wildcard luns. We 5219 * have to make some sensible response. For regular 5220 * inquiry, just return some NOT HERE inquiry data. 5221 * For VPD inquiry, report illegal field in cdb. 5222 * For REQUEST SENSE, just return NO SENSE data. 5223 * REPORT LUNS gets illegal command. 5224 * All other commands get 'no such device'. 5225 */ 5226 uint8_t *sp, cond, buf[MPT_SENSE_SIZE]; 5227 size_t len; 5228 5229 memset(buf, 0, MPT_SENSE_SIZE); 5230 cond = SCSI_STATUS_CHECK_COND; 5231 buf[0] = 0xf0; 5232 buf[2] = 0x5; 5233 buf[7] = 0x8; 5234 sp = buf; 5235 tgt->tag_id = MPT_MAKE_TAGID(mpt, req, ioindex); 5236 5237 switch (cdbp[0]) { 5238 case INQUIRY: 5239 { 5240 if (cdbp[1] != 0) { 5241 buf[12] = 0x26; 5242 buf[13] = 0x01; 5243 break; 5244 } 5245 len = min(tgt->resid, cdbp[4]); 5246 len = min(len, sizeof (null_iqd)); 5247 mpt_lprt(mpt, MPT_PRT_DEBUG, 5248 "local inquiry %ld bytes\n", (long) len); 5249 mpt_scsi_tgt_local(mpt, req, lun, 1, 5250 null_iqd, len); 5251 return; 5252 } 5253 case REQUEST_SENSE: 5254 { 5255 buf[2] = 0x0; 5256 len = min(tgt->resid, cdbp[4]); 5257 len = min(len, sizeof (buf)); 5258 mpt_lprt(mpt, MPT_PRT_DEBUG, 5259 "local reqsense %ld bytes\n", (long) len); 5260 mpt_scsi_tgt_local(mpt, req, lun, 1, 5261 buf, len); 5262 return; 5263 } 5264 case REPORT_LUNS: 5265 mpt_lprt(mpt, MPT_PRT_DEBUG, "REPORT LUNS\n"); 5266 buf[12] = 0x26; 5267 return; 5268 default: 5269 mpt_lprt(mpt, MPT_PRT_DEBUG, 5270 "CMD 0x%x to unmanaged lun %u\n", 5271 cdbp[0], lun); 5272 buf[12] = 0x25; 5273 break; 5274 } 5275 mpt_scsi_tgt_status(mpt, NULL, req, cond, sp); 5276 return; 5277 } 5278 /* otherwise, leave trtp NULL */ 5279 } else { 5280 trtp = &mpt->trt[lun]; 5281 } 5282 5283 /* 5284 * Deal with any task management 5285 */ 5286 if (fct != MPT_NIL_TMT_VALUE) { 5287 if (trtp == NULL) { 5288 mpt_prt(mpt, "task mgmt function %x but no listener\n", 5289 fct); 5290 mpt_scsi_tgt_status(mpt, 0, req, 5291 SCSI_STATUS_OK, 0); 5292 } else { 5293 mpt_scsi_tgt_tsk_mgmt(mpt, req, fct, trtp, 5294 GET_INITIATOR_INDEX(reply_desc)); 5295 } 5296 return; 5297 } 5298 5299 5300 atiop = (struct ccb_accept_tio *) STAILQ_FIRST(&trtp->atios); 5301 if (atiop == NULL) { 5302 mpt_lprt(mpt, MPT_PRT_WARN, 5303 "no ATIOs for lun %u- sending back %s\n", lun, 5304 mpt->tenabled? "QUEUE FULL" : "BUSY"); 5305 mpt_scsi_tgt_status(mpt, NULL, req, 5306 mpt->tenabled? SCSI_STATUS_QUEUE_FULL : SCSI_STATUS_BUSY, 5307 NULL); 5308 return; 5309 } 5310 STAILQ_REMOVE_HEAD(&trtp->atios, sim_links.stqe); 5311 mpt_lprt(mpt, MPT_PRT_DEBUG1, 5312 "Get FREE ATIO %p lun %d\n", atiop, atiop->ccb_h.target_lun); 5313 atiop->ccb_h.ccb_mpt_ptr = mpt; 5314 atiop->ccb_h.status = CAM_CDB_RECVD; 5315 atiop->ccb_h.target_lun = lun; 5316 atiop->sense_len = 0; 5317 atiop->init_id = GET_INITIATOR_INDEX(reply_desc); 5318 atiop->cdb_len = mpt_cdblen(cdbp[0], 16); 5319 memcpy(atiop->cdb_io.cdb_bytes, cdbp, atiop->cdb_len); 5320 5321 /* 5322 * The tag we construct here allows us to find the 5323 * original request that the command came in with. 5324 * 5325 * This way we don't have to depend on anything but the 5326 * tag to find things when CCBs show back up from CAM. 5327 */ 5328 atiop->tag_id = MPT_MAKE_TAGID(mpt, req, ioindex); 5329 tgt->tag_id = atiop->tag_id; 5330 if (tag_action) { 5331 atiop->tag_action = tag_action; 5332 atiop->ccb_h.flags = CAM_TAG_ACTION_VALID; 5333 } 5334 if (mpt->verbose >= MPT_PRT_DEBUG) { 5335 int i; 5336 mpt_prt(mpt, "START_CCB %p for lun %u CDB=<", atiop, 5337 atiop->ccb_h.target_lun); 5338 for (i = 0; i < atiop->cdb_len; i++) { 5339 mpt_prtc(mpt, "%02x%c", cdbp[i] & 0xff, 5340 (i == (atiop->cdb_len - 1))? '>' : ' '); 5341 } 5342 mpt_prtc(mpt, " itag %x tag %x rdesc %x dl=%u\n", 5343 itag, atiop->tag_id, tgt->reply_desc, tgt->resid); 5344 } 5345 5346 MPTLOCK_2_CAMLOCK(mpt); 5347 xpt_done((union ccb *)atiop); 5348 CAMLOCK_2_MPTLOCK(mpt); 5349 } 5350 5351 static void 5352 mpt_tgt_dump_tgt_state(struct mpt_softc *mpt, request_t *req) 5353 { 5354 mpt_tgt_state_t *tgt = MPT_TGT_STATE(mpt, req); 5355 5356 mpt_prt(mpt, "req %p:%u tgt:rdesc 0x%x resid %u xfrd %u ccb %p treq %p " 5357 "nx %d tag 0x%08x state=%d\n", req, req->serno, tgt->reply_desc, 5358 tgt->resid, tgt->bytes_xfered, tgt->ccb, tgt->req, tgt->nxfers, 5359 tgt->tag_id, tgt->state); 5360 } 5361 5362 static void 5363 mpt_tgt_dump_req_state(struct mpt_softc *mpt, request_t *req) 5364 { 5365 5366 mpt_prt(mpt, "req %p:%u index %u (%x) state %x\n", req, req->serno, 5367 req->index, req->index, req->state); 5368 mpt_tgt_dump_tgt_state(mpt, req); 5369 } 5370 5371 static int 5372 mpt_scsi_tgt_reply_handler(struct mpt_softc *mpt, request_t *req, 5373 uint32_t reply_desc, MSG_DEFAULT_REPLY *reply_frame) 5374 { 5375 int dbg; 5376 union ccb *ccb; 5377 U16 status; 5378 5379 if (reply_frame == NULL) { 5380 /* 5381 * Figure out what the state of the command is. 5382 */ 5383 mpt_tgt_state_t *tgt = MPT_TGT_STATE(mpt, req); 5384 5385 #ifdef INVARIANTS 5386 mpt_req_spcl(mpt, req, "turbo scsi_tgt_reply", __LINE__); 5387 if (tgt->req) { 5388 mpt_req_not_spcl(mpt, tgt->req, 5389 "turbo scsi_tgt_reply associated req", __LINE__); 5390 } 5391 #endif 5392 switch(tgt->state) { 5393 case TGT_STATE_LOADED: 5394 /* 5395 * This is a new command starting. 5396 */ 5397 mpt_scsi_tgt_atio(mpt, req, reply_desc); 5398 break; 5399 case TGT_STATE_MOVING_DATA: 5400 { 5401 uint8_t *sp = NULL, sense[MPT_SENSE_SIZE]; 5402 5403 ccb = tgt->ccb; 5404 if (tgt->req == NULL) { 5405 panic("mpt: turbo target reply with null " 5406 "associated request moving data"); 5407 /* NOTREACHED */ 5408 } 5409 if (ccb == NULL) { 5410 if (tgt->is_local == 0) { 5411 panic("mpt: turbo target reply with " 5412 "null associated ccb moving data"); 5413 /* NOTREACHED */ 5414 } 5415 mpt_lprt(mpt, MPT_PRT_DEBUG, 5416 "TARGET_ASSIST local done\n"); 5417 TAILQ_REMOVE(&mpt->request_pending_list, 5418 tgt->req, links); 5419 mpt_free_request(mpt, tgt->req); 5420 tgt->req = NULL; 5421 mpt_scsi_tgt_status(mpt, NULL, req, 5422 0, NULL); 5423 return (TRUE); 5424 } 5425 tgt->ccb = NULL; 5426 tgt->nxfers++; 5427 mpt_req_untimeout(req, mpt_timeout, ccb); 5428 mpt_lprt(mpt, MPT_PRT_DEBUG, 5429 "TARGET_ASSIST %p (req %p:%u) done tag 0x%x\n", 5430 ccb, tgt->req, tgt->req->serno, ccb->csio.tag_id); 5431 /* 5432 * Free the Target Assist Request 5433 */ 5434 KASSERT(tgt->req->ccb == ccb, 5435 ("tgt->req %p:%u tgt->req->ccb %p", tgt->req, 5436 tgt->req->serno, tgt->req->ccb)); 5437 TAILQ_REMOVE(&mpt->request_pending_list, 5438 tgt->req, links); 5439 mpt_free_request(mpt, tgt->req); 5440 tgt->req = NULL; 5441 5442 /* 5443 * Do we need to send status now? That is, are 5444 * we done with all our data transfers? 5445 */ 5446 if ((ccb->ccb_h.flags & CAM_SEND_STATUS) == 0) { 5447 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 5448 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 5449 KASSERT(ccb->ccb_h.status, 5450 ("zero ccb sts at %d\n", __LINE__)); 5451 tgt->state = TGT_STATE_IN_CAM; 5452 if (mpt->outofbeer) { 5453 ccb->ccb_h.status |= CAM_RELEASE_SIMQ; 5454 mpt->outofbeer = 0; 5455 mpt_lprt(mpt, MPT_PRT_DEBUG, "THAWQ\n"); 5456 } 5457 MPTLOCK_2_CAMLOCK(mpt); 5458 xpt_done(ccb); 5459 CAMLOCK_2_MPTLOCK(mpt); 5460 break; 5461 } 5462 /* 5463 * Otherwise, send status (and sense) 5464 */ 5465 if (ccb->ccb_h.flags & CAM_SEND_SENSE) { 5466 sp = sense; 5467 memcpy(sp, &ccb->csio.sense_data, 5468 min(ccb->csio.sense_len, MPT_SENSE_SIZE)); 5469 } 5470 mpt_scsi_tgt_status(mpt, ccb, req, 5471 ccb->csio.scsi_status, sp); 5472 break; 5473 } 5474 case TGT_STATE_SENDING_STATUS: 5475 case TGT_STATE_MOVING_DATA_AND_STATUS: 5476 { 5477 int ioindex; 5478 ccb = tgt->ccb; 5479 5480 if (tgt->req == NULL) { 5481 panic("mpt: turbo target reply with null " 5482 "associated request sending status"); 5483 /* NOTREACHED */ 5484 } 5485 5486 if (ccb) { 5487 tgt->ccb = NULL; 5488 if (tgt->state == 5489 TGT_STATE_MOVING_DATA_AND_STATUS) { 5490 tgt->nxfers++; 5491 } 5492 mpt_req_untimeout(req, mpt_timeout, ccb); 5493 if (ccb->ccb_h.flags & CAM_SEND_SENSE) { 5494 ccb->ccb_h.status |= CAM_SENT_SENSE; 5495 } 5496 mpt_lprt(mpt, MPT_PRT_DEBUG, 5497 "TARGET_STATUS tag %x sts %x flgs %x req " 5498 "%p\n", ccb->csio.tag_id, ccb->ccb_h.status, 5499 ccb->ccb_h.flags, tgt->req); 5500 /* 5501 * Free the Target Send Status Request 5502 */ 5503 KASSERT(tgt->req->ccb == ccb, 5504 ("tgt->req %p:%u tgt->req->ccb %p", 5505 tgt->req, tgt->req->serno, tgt->req->ccb)); 5506 /* 5507 * Notify CAM that we're done 5508 */ 5509 mpt_set_ccb_status(ccb, CAM_REQ_CMP); 5510 ccb->ccb_h.status &= ~CAM_SIM_QUEUED; 5511 KASSERT(ccb->ccb_h.status, 5512 ("ZERO ccb sts at %d\n", __LINE__)); 5513 tgt->ccb = NULL; 5514 } else { 5515 mpt_lprt(mpt, MPT_PRT_DEBUG, 5516 "TARGET_STATUS non-CAM for req %p:%u\n", 5517 tgt->req, tgt->req->serno); 5518 } 5519 TAILQ_REMOVE(&mpt->request_pending_list, 5520 tgt->req, links); 5521 mpt_free_request(mpt, tgt->req); 5522 tgt->req = NULL; 5523 5524 /* 5525 * And re-post the Command Buffer. 5526 * This will reset the state. 5527 */ 5528 ioindex = GET_IO_INDEX(reply_desc); 5529 TAILQ_REMOVE(&mpt->request_pending_list, req, links); 5530 tgt->is_local = 0; 5531 mpt_post_target_command(mpt, req, ioindex); 5532 5533 /* 5534 * And post a done for anyone who cares 5535 */ 5536 if (ccb) { 5537 if (mpt->outofbeer) { 5538 ccb->ccb_h.status |= CAM_RELEASE_SIMQ; 5539 mpt->outofbeer = 0; 5540 mpt_lprt(mpt, MPT_PRT_DEBUG, "THAWQ\n"); 5541 } 5542 MPTLOCK_2_CAMLOCK(mpt); 5543 xpt_done(ccb); 5544 CAMLOCK_2_MPTLOCK(mpt); 5545 } 5546 break; 5547 } 5548 case TGT_STATE_NIL: /* XXX This Never Happens XXX */ 5549 tgt->state = TGT_STATE_LOADED; 5550 break; 5551 default: 5552 mpt_prt(mpt, "Unknown Target State 0x%x in Context " 5553 "Reply Function\n", tgt->state); 5554 } 5555 return (TRUE); 5556 } 5557 5558 status = le16toh(reply_frame->IOCStatus); 5559 if (status != MPI_IOCSTATUS_SUCCESS) { 5560 dbg = MPT_PRT_ERROR; 5561 } else { 5562 dbg = MPT_PRT_DEBUG1; 5563 } 5564 5565 mpt_lprt(mpt, dbg, 5566 "SCSI_TGT REPLY: req=%p:%u reply=%p func=%x IOCstatus 0x%x\n", 5567 req, req->serno, reply_frame, reply_frame->Function, status); 5568 5569 switch (reply_frame->Function) { 5570 case MPI_FUNCTION_TARGET_CMD_BUFFER_POST: 5571 { 5572 mpt_tgt_state_t *tgt; 5573 #ifdef INVARIANTS 5574 mpt_req_spcl(mpt, req, "tgt reply BUFFER POST", __LINE__); 5575 #endif 5576 if (status != MPI_IOCSTATUS_SUCCESS) { 5577 /* 5578 * XXX What to do? 5579 */ 5580 break; 5581 } 5582 tgt = MPT_TGT_STATE(mpt, req); 5583 KASSERT(tgt->state == TGT_STATE_LOADING, 5584 ("bad state 0x%x on reply to buffer post\n", tgt->state)); 5585 mpt_assign_serno(mpt, req); 5586 tgt->state = TGT_STATE_LOADED; 5587 break; 5588 } 5589 case MPI_FUNCTION_TARGET_ASSIST: 5590 #ifdef INVARIANTS 5591 mpt_req_not_spcl(mpt, req, "tgt reply TARGET ASSIST", __LINE__); 5592 #endif 5593 mpt_prt(mpt, "target assist completion\n"); 5594 TAILQ_REMOVE(&mpt->request_pending_list, req, links); 5595 mpt_free_request(mpt, req); 5596 break; 5597 case MPI_FUNCTION_TARGET_STATUS_SEND: 5598 #ifdef INVARIANTS 5599 mpt_req_not_spcl(mpt, req, "tgt reply STATUS SEND", __LINE__); 5600 #endif 5601 mpt_prt(mpt, "status send completion\n"); 5602 TAILQ_REMOVE(&mpt->request_pending_list, req, links); 5603 mpt_free_request(mpt, req); 5604 break; 5605 case MPI_FUNCTION_TARGET_MODE_ABORT: 5606 { 5607 PTR_MSG_TARGET_MODE_ABORT_REPLY abtrp = 5608 (PTR_MSG_TARGET_MODE_ABORT_REPLY) reply_frame; 5609 PTR_MSG_TARGET_MODE_ABORT abtp = 5610 (PTR_MSG_TARGET_MODE_ABORT) req->req_vbuf; 5611 uint32_t cc = GET_IO_INDEX(le32toh(abtp->ReplyWord)); 5612 #ifdef INVARIANTS 5613 mpt_req_not_spcl(mpt, req, "tgt reply TMODE ABORT", __LINE__); 5614 #endif 5615 mpt_prt(mpt, "ABORT RX_ID 0x%x Complete; status 0x%x cnt %u\n", 5616 cc, le16toh(abtrp->IOCStatus), le32toh(abtrp->AbortCount)); 5617 TAILQ_REMOVE(&mpt->request_pending_list, req, links); 5618 mpt_free_request(mpt, req); 5619 break; 5620 } 5621 default: 5622 mpt_prt(mpt, "Unknown Target Address Reply Function code: " 5623 "0x%x\n", reply_frame->Function); 5624 break; 5625 } 5626 return (TRUE); 5627 } 5628