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