1 /* $FreeBSD$ */ 2 /*- 3 * Generic defines for LSI '909 FC adapters. 4 * FreeBSD Version. 5 * 6 * Copyright (c) 2000, 2001 by Greg Ansley 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice immediately at the beginning of the file, without modification, 13 * this list of conditions, and the following disclaimer. 14 * 2. The name of the author may not be used to endorse or promote products 15 * derived from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR 21 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 */ 29 /*- 30 * Copyright (c) 2002, 2006 by Matthew Jacob 31 * All rights reserved. 32 * 33 * Redistribution and use in source and binary forms, with or without 34 * modification, are permitted provided that the following conditions are 35 * met: 36 * 1. Redistributions of source code must retain the above copyright 37 * notice, this list of conditions and the following disclaimer. 38 * 2. Redistributions in binary form must reproduce at minimum a disclaimer 39 * substantially similar to the "NO WARRANTY" disclaimer below 40 * ("Disclaimer") and any redistribution must be conditioned upon including 41 * a substantially similar Disclaimer requirement for further binary 42 * redistribution. 43 * 3. Neither the names of the above listed copyright holders nor the names 44 * of any contributors may be used to endorse or promote products derived 45 * from this software without specific prior written permission. 46 * 47 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 48 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 49 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 50 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 51 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 52 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 53 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 54 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 55 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 56 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF THE COPYRIGHT 57 * OWNER OR CONTRIBUTOR IS ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 58 * 59 * Support from Chris Ellsworth in order to make SAS adapters work 60 * is gratefully acknowledged. 61 * 62 * 63 * Support from LSI-Logic has also gone a great deal toward making this a 64 * workable subsystem and is gratefully acknowledged. 65 */ 66 /* 67 * Copyright (c) 2004, Avid Technology, Inc. and its contributors. 68 * Copyright (c) 2004, 2005 Justin T. Gibbs 69 * Copyright (c) 2005, WHEEL Sp. z o.o. 70 * All rights reserved. 71 * 72 * Redistribution and use in source and binary forms, with or without 73 * modification, are permitted provided that the following conditions are 74 * met: 75 * 1. Redistributions of source code must retain the above copyright 76 * notice, this list of conditions and the following disclaimer. 77 * 2. Redistributions in binary form must reproduce at minimum a disclaimer 78 * substantially similar to the "NO WARRANTY" disclaimer below 79 * ("Disclaimer") and any redistribution must be conditioned upon including 80 * a substantially similar Disclaimer requirement for further binary 81 * redistribution. 82 * 3. Neither the names of the above listed copyright holders nor the names 83 * of any contributors may be used to endorse or promote products derived 84 * from this software without specific prior written permission. 85 * 86 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 87 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 88 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 89 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 90 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 91 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 92 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 93 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 94 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 95 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF THE COPYRIGHT 96 * OWNER OR CONTRIBUTOR IS ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 97 */ 98 99 #ifndef _MPT_H_ 100 #define _MPT_H_ 101 102 /********************************* OS Includes ********************************/ 103 #include <sys/types.h> 104 #include <sys/param.h> 105 #include <sys/systm.h> 106 #include <sys/endian.h> 107 #include <sys/eventhandler.h> 108 #if __FreeBSD_version < 500000 109 #include <sys/kernel.h> 110 #include <sys/queue.h> 111 #include <sys/malloc.h> 112 #include <sys/devicestat.h> 113 #else 114 #include <sys/lock.h> 115 #include <sys/kernel.h> 116 #include <sys/queue.h> 117 #include <sys/malloc.h> 118 #include <sys/mutex.h> 119 #include <sys/condvar.h> 120 #endif 121 #include <sys/proc.h> 122 #include <sys/bus.h> 123 #include <sys/module.h> 124 125 #include <machine/cpu.h> 126 #include <machine/resource.h> 127 128 #if __FreeBSD_version < 500000 129 #include <machine/bus.h> 130 #include <machine/clock.h> 131 #endif 132 133 #include <sys/rman.h> 134 135 #if __FreeBSD_version < 500000 136 #include <pci/pcireg.h> 137 #include <pci/pcivar.h> 138 #else 139 #include <dev/pci/pcireg.h> 140 #include <dev/pci/pcivar.h> 141 #endif 142 143 #include <machine/bus.h> 144 #include "opt_ddb.h" 145 146 /**************************** Register Definitions ****************************/ 147 #include <dev/mpt/mpt_reg.h> 148 149 /******************************* MPI Definitions ******************************/ 150 #include <dev/mpt/mpilib/mpi_type.h> 151 #include <dev/mpt/mpilib/mpi.h> 152 #include <dev/mpt/mpilib/mpi_cnfg.h> 153 #include <dev/mpt/mpilib/mpi_ioc.h> 154 #include <dev/mpt/mpilib/mpi_raid.h> 155 156 /* XXX For mpt_debug.c */ 157 #include <dev/mpt/mpilib/mpi_init.h> 158 159 #define MPT_S64_2_SCALAR(y) ((((int64_t)y.High) << 32) | (y.Low)) 160 #define MPT_U64_2_SCALAR(y) ((((uint64_t)y.High) << 32) | (y.Low)) 161 162 /****************************** Misc Definitions ******************************/ 163 /* #define MPT_TEST_MULTIPATH 1 */ 164 #define MPT_OK (0) 165 #define MPT_FAIL (0x10000) 166 167 #define NUM_ELEMENTS(array) (sizeof(array) / sizeof(*array)) 168 169 #define MPT_ROLE_NONE 0 170 #define MPT_ROLE_INITIATOR 1 171 #define MPT_ROLE_TARGET 2 172 #define MPT_ROLE_BOTH 3 173 #define MPT_ROLE_DEFAULT MPT_ROLE_INITIATOR 174 175 /**************************** Forward Declarations ****************************/ 176 struct mpt_softc; 177 struct mpt_personality; 178 typedef struct req_entry request_t; 179 180 /************************* Personality Module Support *************************/ 181 typedef int mpt_load_handler_t(struct mpt_personality *); 182 typedef int mpt_probe_handler_t(struct mpt_softc *); 183 typedef int mpt_attach_handler_t(struct mpt_softc *); 184 typedef int mpt_enable_handler_t(struct mpt_softc *); 185 typedef void mpt_ready_handler_t(struct mpt_softc *); 186 typedef int mpt_event_handler_t(struct mpt_softc *, request_t *, 187 MSG_EVENT_NOTIFY_REPLY *); 188 typedef void mpt_reset_handler_t(struct mpt_softc *, int /*type*/); 189 /* XXX Add return value and use for veto? */ 190 typedef void mpt_shutdown_handler_t(struct mpt_softc *); 191 typedef void mpt_detach_handler_t(struct mpt_softc *); 192 typedef int mpt_unload_handler_t(struct mpt_personality *); 193 194 struct mpt_personality 195 { 196 const char *name; 197 uint32_t id; /* Assigned identifier. */ 198 u_int use_count; /* Instances using personality*/ 199 mpt_load_handler_t *load; /* configure personailty */ 200 #define MPT_PERS_FIRST_HANDLER(pers) (&(pers)->load) 201 mpt_probe_handler_t *probe; /* configure personailty */ 202 mpt_attach_handler_t *attach; /* initialize device instance */ 203 mpt_enable_handler_t *enable; /* enable device */ 204 mpt_ready_handler_t *ready; /* final open for business */ 205 mpt_event_handler_t *event; /* Handle MPI event. */ 206 mpt_reset_handler_t *reset; /* Re-init after reset. */ 207 mpt_shutdown_handler_t *shutdown; /* Shutdown instance. */ 208 mpt_detach_handler_t *detach; /* release device instance */ 209 mpt_unload_handler_t *unload; /* Shutdown personality */ 210 #define MPT_PERS_LAST_HANDLER(pers) (&(pers)->unload) 211 }; 212 213 int mpt_modevent(module_t, int, void *); 214 215 /* Maximum supported number of personalities. */ 216 #define MPT_MAX_PERSONALITIES (15) 217 218 #define MPT_PERSONALITY_DEPEND(name, dep, vmin, vpref, vmax) \ 219 MODULE_DEPEND(name, dep, vmin, vpref, vmax) 220 221 #define DECLARE_MPT_PERSONALITY(name, order) \ 222 static moduledata_t name##_mod = { \ 223 #name, mpt_modevent, &name##_personality \ 224 }; \ 225 DECLARE_MODULE(name, name##_mod, SI_SUB_DRIVERS, order); \ 226 MODULE_VERSION(name, 1); \ 227 MPT_PERSONALITY_DEPEND(name, mpt_core, 1, 1, 1) 228 229 /******************************* Bus DMA Support ******************************/ 230 /* XXX Need to update bus_dmamap_sync to take a range argument. */ 231 #define bus_dmamap_sync_range(dma_tag, dmamap, offset, len, op) \ 232 bus_dmamap_sync(dma_tag, dmamap, op) 233 234 #if __FreeBSD_version < 600000 235 #define bus_get_dma_tag(x) NULL 236 #endif 237 #if __FreeBSD_version >= 501102 238 #define mpt_dma_tag_create(mpt, parent_tag, alignment, boundary, \ 239 lowaddr, highaddr, filter, filterarg, \ 240 maxsize, nsegments, maxsegsz, flags, \ 241 dma_tagp) \ 242 bus_dma_tag_create(parent_tag, alignment, boundary, \ 243 lowaddr, highaddr, filter, filterarg, \ 244 maxsize, nsegments, maxsegsz, flags, \ 245 busdma_lock_mutex, &(mpt)->mpt_lock, \ 246 dma_tagp) 247 #else 248 #define mpt_dma_tag_create(mpt, parent_tag, alignment, boundary, \ 249 lowaddr, highaddr, filter, filterarg, \ 250 maxsize, nsegments, maxsegsz, flags, \ 251 dma_tagp) \ 252 bus_dma_tag_create(parent_tag, alignment, boundary, \ 253 lowaddr, highaddr, filter, filterarg, \ 254 maxsize, nsegments, maxsegsz, flags, \ 255 dma_tagp) 256 #endif 257 258 struct mpt_map_info { 259 struct mpt_softc *mpt; 260 int error; 261 uint32_t phys; 262 }; 263 264 void mpt_map_rquest(void *, bus_dma_segment_t *, int, int); 265 /* **************************** NewBUS interrupt Crock ************************/ 266 #if __FreeBSD_version < 700031 267 #define mpt_setup_intr(d, i, f, U, if, ifa, hp) \ 268 bus_setup_intr(d, i, f, if, ifa, hp) 269 #else 270 #define mpt_setup_intr bus_setup_intr 271 #endif 272 273 /* **************************** NewBUS CAM Support ****************************/ 274 #if __FreeBSD_version < 700049 275 #define mpt_xpt_bus_register(sim, parent, bus) \ 276 xpt_bus_register(sim, bus) 277 #else 278 #define mpt_xpt_bus_register xpt_bus_register 279 #endif 280 281 /**************************** Kernel Thread Support ***************************/ 282 #if __FreeBSD_version > 800001 283 #define mpt_kthread_create(func, farg, proc_ptr, flags, stackpgs, fmtstr, arg) \ 284 kproc_create(func, farg, proc_ptr, flags, stackpgs, fmtstr, arg) 285 #define mpt_kthread_exit(status) \ 286 kproc_exit(status) 287 #elif __FreeBSD_version > 500005 288 #define mpt_kthread_create(func, farg, proc_ptr, flags, stackpgs, fmtstr, arg) \ 289 kthread_create(func, farg, proc_ptr, flags, stackpgs, fmtstr, arg) 290 #define mpt_kthread_exit(status) \ 291 kthread_exit(status) 292 #else 293 #define mpt_kthread_create(func, farg, proc_ptr, flags, stackpgs, fmtstr, arg) \ 294 kthread_create(func, farg, proc_ptr, fmtstr, arg) 295 #define mpt_kthread_exit(status) \ 296 kthread_exit(status) 297 #endif 298 299 /****************************** Timer Facilities ******************************/ 300 #if __FreeBSD_version > 500000 301 #define mpt_callout_init(c) callout_init(c, /*mpsafe*/1); 302 #else 303 #define mpt_callout_init(c) callout_init(c); 304 #endif 305 306 /********************************** Endianess *********************************/ 307 #define MPT_2_HOST64(ptr, tag) ptr->tag = le64toh(ptr->tag) 308 #define MPT_2_HOST32(ptr, tag) ptr->tag = le32toh(ptr->tag) 309 #define MPT_2_HOST16(ptr, tag) ptr->tag = le16toh(ptr->tag) 310 311 #define HOST_2_MPT64(ptr, tag) ptr->tag = htole64(ptr->tag) 312 #define HOST_2_MPT32(ptr, tag) ptr->tag = htole32(ptr->tag) 313 #define HOST_2_MPT16(ptr, tag) ptr->tag = htole16(ptr->tag) 314 315 #if _BYTE_ORDER == _BIG_ENDIAN 316 void mpt2host_sge_simple_union(SGE_SIMPLE_UNION *); 317 void mpt2host_iocfacts_reply(MSG_IOC_FACTS_REPLY *); 318 void mpt2host_portfacts_reply(MSG_PORT_FACTS_REPLY *); 319 void mpt2host_config_page_ioc2(CONFIG_PAGE_IOC_2 *); 320 void mpt2host_config_page_raid_vol_0(CONFIG_PAGE_RAID_VOL_0 *); 321 void mpt2host_mpi_raid_vol_indicator(MPI_RAID_VOL_INDICATOR *); 322 #else 323 #define mpt2host_sge_simple_union(x) do { ; } while (0) 324 #define mpt2host_iocfacts_reply(x) do { ; } while (0) 325 #define mpt2host_portfacts_reply(x) do { ; } while (0) 326 #define mpt2host_config_page_ioc2(x) do { ; } while (0) 327 #define mpt2host_config_page_raid_vol_0(x) do { ; } while (0) 328 #define mpt2host_mpi_raid_vol_indicator(x) do { ; } while (0) 329 #endif 330 331 /**************************** MPI Transaction State ***************************/ 332 typedef enum { 333 REQ_STATE_NIL = 0x00, 334 REQ_STATE_FREE = 0x01, 335 REQ_STATE_ALLOCATED = 0x02, 336 REQ_STATE_QUEUED = 0x04, 337 REQ_STATE_DONE = 0x08, 338 REQ_STATE_TIMEDOUT = 0x10, 339 REQ_STATE_NEED_WAKEUP = 0x20, 340 REQ_STATE_LOCKED = 0x80, /* can't be freed */ 341 REQ_STATE_MASK = 0xFF 342 } mpt_req_state_t; 343 344 struct req_entry { 345 TAILQ_ENTRY(req_entry) links; /* Pointer to next in list */ 346 mpt_req_state_t state; /* Request State Information */ 347 uint16_t index; /* Index of this entry */ 348 uint16_t IOCStatus; /* Completion status */ 349 uint16_t ResponseCode; /* TMF Reponse Code */ 350 uint16_t serno; /* serial number */ 351 union ccb *ccb; /* CAM request */ 352 void *req_vbuf; /* Virtual Address of Entry */ 353 void *sense_vbuf; /* Virtual Address of sense data */ 354 bus_addr_t req_pbuf; /* Physical Address of Entry */ 355 bus_addr_t sense_pbuf; /* Physical Address of sense data */ 356 bus_dmamap_t dmap; /* DMA map for data buffers */ 357 struct req_entry *chain; /* for SGE overallocations */ 358 struct callout callout; /* Timeout for the request */ 359 }; 360 361 typedef struct mpt_config_params { 362 u_int Action; 363 u_int PageVersion; 364 u_int PageLength; 365 u_int PageNumber; 366 u_int PageType; 367 u_int PageAddress; 368 u_int ExtPageLength; 369 u_int ExtPageType; 370 } cfgparms_t; 371 372 /**************************** MPI Target State Info ***************************/ 373 374 typedef struct { 375 uint32_t reply_desc; /* current reply descriptor */ 376 uint32_t resid; /* current data residual */ 377 uint32_t bytes_xfered; /* current relative offset */ 378 union ccb *ccb; /* pointer to currently active ccb */ 379 request_t *req; /* pointer to currently active assist request */ 380 uint32_t 381 is_local : 1, 382 nxfers : 31; 383 uint32_t tag_id; 384 enum { 385 TGT_STATE_NIL, 386 TGT_STATE_LOADING, 387 TGT_STATE_LOADED, 388 TGT_STATE_IN_CAM, 389 TGT_STATE_SETTING_UP_FOR_DATA, 390 TGT_STATE_MOVING_DATA, 391 TGT_STATE_MOVING_DATA_AND_STATUS, 392 TGT_STATE_SENDING_STATUS 393 } state; 394 } mpt_tgt_state_t; 395 396 /* 397 * When we get an incoming command it has its own tag which is called the 398 * IoIndex. This is the value we gave that particular command buffer when 399 * we originally assigned it. It's just a number, really. The FC card uses 400 * it as an RX_ID. We can use it to index into mpt->tgt_cmd_ptrs, which 401 * contains pointers the request_t structures related to that IoIndex. 402 * 403 * What *we* do is construct a tag out of the index for the target command 404 * which owns the incoming ATIO plus a rolling sequence number. 405 */ 406 #define MPT_MAKE_TAGID(mpt, req, ioindex) \ 407 ((ioindex << 18) | (((mpt->sequence++) & 0x3f) << 12) | (req->index & 0xfff)) 408 409 #ifdef INVARIANTS 410 #define MPT_TAG_2_REQ(a, b) mpt_tag_2_req(a, (uint32_t) b) 411 #else 412 #define MPT_TAG_2_REQ(mpt, tag) mpt->tgt_cmd_ptrs[tag >> 18] 413 #endif 414 415 #define MPT_TGT_STATE(mpt, req) ((mpt_tgt_state_t *) \ 416 (&((uint8_t *)req->req_vbuf)[MPT_RQSL(mpt) - sizeof (mpt_tgt_state_t)])) 417 418 STAILQ_HEAD(mpt_hdr_stailq, ccb_hdr); 419 #define MPT_MAX_LUNS 256 420 typedef struct { 421 struct mpt_hdr_stailq atios; 422 struct mpt_hdr_stailq inots; 423 int enabled; 424 } tgt_resource_t; 425 #define MPT_MAX_ELS 64 426 427 /**************************** Handler Registration ****************************/ 428 /* 429 * Global table of registered reply handlers. The 430 * handler is indicated by byte 3 of the request 431 * index submitted to the IOC. This allows the 432 * driver core to perform generic processing without 433 * any knowledge of per-personality behavior. 434 * 435 * MPT_NUM_REPLY_HANDLERS must be a power of 2 436 * to allow the easy generation of a mask. 437 * 438 * The handler offsets used by the core are hard coded 439 * allowing faster code generation when assigning a handler 440 * to a request. All "personalities" must use the 441 * the handler registration mechanism. 442 * 443 * The IOC handlers that are rarely executed are placed 444 * at the tail of the table to make it more likely that 445 * all commonly executed handlers fit in a single cache 446 * line. 447 */ 448 #define MPT_NUM_REPLY_HANDLERS (32) 449 #define MPT_REPLY_HANDLER_EVENTS MPT_CBI_TO_HID(0) 450 #define MPT_REPLY_HANDLER_CONFIG MPT_CBI_TO_HID(MPT_NUM_REPLY_HANDLERS-1) 451 #define MPT_REPLY_HANDLER_HANDSHAKE MPT_CBI_TO_HID(MPT_NUM_REPLY_HANDLERS-2) 452 typedef int mpt_reply_handler_t(struct mpt_softc *mpt, request_t *request, 453 uint32_t reply_desc, MSG_DEFAULT_REPLY *reply_frame); 454 typedef union { 455 mpt_reply_handler_t *reply_handler; 456 } mpt_handler_t; 457 458 typedef enum { 459 MPT_HANDLER_REPLY, 460 MPT_HANDLER_EVENT, 461 MPT_HANDLER_RESET, 462 MPT_HANDLER_SHUTDOWN 463 } mpt_handler_type; 464 465 struct mpt_handler_record 466 { 467 LIST_ENTRY(mpt_handler_record) links; 468 mpt_handler_t handler; 469 }; 470 471 LIST_HEAD(mpt_handler_list, mpt_handler_record); 472 473 /* 474 * The handler_id is currently unused but would contain the 475 * handler ID used in the MsgContext field to allow direction 476 * of replies to the handler. Registrations that don't require 477 * a handler id can pass in NULL for the handler_id. 478 * 479 * Deregistrations for handlers without a handler id should 480 * pass in MPT_HANDLER_ID_NONE. 481 */ 482 #define MPT_HANDLER_ID_NONE (0xFFFFFFFF) 483 int mpt_register_handler(struct mpt_softc *, mpt_handler_type, 484 mpt_handler_t, uint32_t *); 485 int mpt_deregister_handler(struct mpt_softc *, mpt_handler_type, 486 mpt_handler_t, uint32_t); 487 488 /******************* Per-Controller Instance Data Structures ******************/ 489 TAILQ_HEAD(req_queue, req_entry); 490 491 /* Structure for saving proper values for modifyable PCI config registers */ 492 struct mpt_pci_cfg { 493 uint16_t Command; 494 uint16_t LatencyTimer_LineSize; 495 uint32_t IO_BAR; 496 uint32_t Mem0_BAR[2]; 497 uint32_t Mem1_BAR[2]; 498 uint32_t ROM_BAR; 499 uint8_t IntLine; 500 uint32_t PMCSR; 501 }; 502 503 typedef enum { 504 MPT_RVF_NONE = 0x0, 505 MPT_RVF_ACTIVE = 0x1, 506 MPT_RVF_ANNOUNCED = 0x2, 507 MPT_RVF_UP2DATE = 0x4, 508 MPT_RVF_REFERENCED = 0x8, 509 MPT_RVF_WCE_CHANGED = 0x10 510 } mpt_raid_volume_flags; 511 512 struct mpt_raid_volume { 513 CONFIG_PAGE_RAID_VOL_0 *config_page; 514 MPI_RAID_VOL_INDICATOR sync_progress; 515 mpt_raid_volume_flags flags; 516 u_int quiesced_disks; 517 }; 518 519 typedef enum { 520 MPT_RDF_NONE = 0x00, 521 MPT_RDF_ACTIVE = 0x01, 522 MPT_RDF_ANNOUNCED = 0x02, 523 MPT_RDF_UP2DATE = 0x04, 524 MPT_RDF_REFERENCED = 0x08, 525 MPT_RDF_QUIESCING = 0x10, 526 MPT_RDF_QUIESCED = 0x20 527 } mpt_raid_disk_flags; 528 529 struct mpt_raid_disk { 530 CONFIG_PAGE_RAID_PHYS_DISK_0 config_page; 531 struct mpt_raid_volume *volume; 532 u_int member_number; 533 u_int pass_thru_active; 534 mpt_raid_disk_flags flags; 535 }; 536 537 struct mpt_evtf_record { 538 MSG_EVENT_NOTIFY_REPLY reply; 539 uint32_t context; 540 LIST_ENTRY(mpt_evtf_record) links; 541 }; 542 543 LIST_HEAD(mpt_evtf_list, mpt_evtf_record); 544 545 struct mptsas_devinfo { 546 uint16_t dev_handle; 547 uint16_t parent_dev_handle; 548 uint16_t enclosure_handle; 549 uint16_t slot; 550 uint8_t phy_num; 551 uint8_t physical_port; 552 uint8_t target_id; 553 uint8_t bus; 554 uint64_t sas_address; 555 uint32_t device_info; 556 }; 557 558 struct mptsas_phyinfo { 559 uint16_t handle; 560 uint8_t phy_num; 561 uint8_t port_id; 562 uint8_t negotiated_link_rate; 563 uint8_t hw_link_rate; 564 uint8_t programmed_link_rate; 565 uint8_t sas_port_add_phy; 566 struct mptsas_devinfo identify; 567 struct mptsas_devinfo attached; 568 }; 569 570 struct mptsas_portinfo { 571 uint16_t num_phys; 572 struct mptsas_phyinfo *phy_info; 573 }; 574 575 struct mpt_softc { 576 device_t dev; 577 #if __FreeBSD_version < 500000 578 uint32_t mpt_islocked; 579 int mpt_splsaved; 580 #else 581 struct mtx mpt_lock; 582 int mpt_locksetup; 583 #endif 584 uint32_t mpt_pers_mask; 585 uint32_t 586 : 8, 587 unit : 8, 588 ready : 1, 589 fw_uploaded : 1, 590 msi_enable : 1, 591 twildcard : 1, 592 tenabled : 1, 593 do_cfg_role : 1, 594 raid_enabled : 1, 595 raid_mwce_set : 1, 596 getreqwaiter : 1, 597 shutdwn_raid : 1, 598 shutdwn_recovery: 1, 599 outofbeer : 1, 600 disabled : 1, 601 is_spi : 1, 602 is_sas : 1, 603 is_fc : 1; 604 605 u_int cfg_role; 606 u_int role; /* role: none, ini, target, both */ 607 608 u_int verbose; 609 #ifdef MPT_TEST_MULTIPATH 610 int failure_id; 611 #endif 612 613 /* 614 * IOC Facts 615 */ 616 MSG_IOC_FACTS_REPLY ioc_facts; 617 618 /* 619 * Port Facts 620 */ 621 MSG_PORT_FACTS_REPLY * port_facts; 622 #define mpt_ini_id port_facts[0].PortSCSIID 623 #define mpt_max_tgtcmds port_facts[0].MaxPostedCmdBuffers 624 625 /* 626 * Device Configuration Information 627 */ 628 union { 629 struct mpt_spi_cfg { 630 CONFIG_PAGE_SCSI_PORT_0 _port_page0; 631 CONFIG_PAGE_SCSI_PORT_1 _port_page1; 632 CONFIG_PAGE_SCSI_PORT_2 _port_page2; 633 CONFIG_PAGE_SCSI_DEVICE_0 _dev_page0[16]; 634 CONFIG_PAGE_SCSI_DEVICE_1 _dev_page1[16]; 635 uint16_t _tag_enable; 636 uint16_t _disc_enable; 637 } spi; 638 #define mpt_port_page0 cfg.spi._port_page0 639 #define mpt_port_page1 cfg.spi._port_page1 640 #define mpt_port_page2 cfg.spi._port_page2 641 #define mpt_dev_page0 cfg.spi._dev_page0 642 #define mpt_dev_page1 cfg.spi._dev_page1 643 #define mpt_tag_enable cfg.spi._tag_enable 644 #define mpt_disc_enable cfg.spi._disc_enable 645 struct mpi_fc_cfg { 646 CONFIG_PAGE_FC_PORT_0 _port_page0; 647 uint32_t _port_speed; 648 #define mpt_fcport_page0 cfg.fc._port_page0 649 #define mpt_fcport_speed cfg.fc._port_speed 650 } fc; 651 } cfg; 652 #if __FreeBSD_version >= 500000 653 /* 654 * Device config information stored up for sysctl to access 655 */ 656 union { 657 struct { 658 unsigned int initiator_id; 659 } spi; 660 struct { 661 char wwnn[19]; 662 char wwpn[19]; 663 } fc; 664 } scinfo; 665 #endif 666 667 /* Controller Info for RAID information */ 668 CONFIG_PAGE_IOC_2 * ioc_page2; 669 CONFIG_PAGE_IOC_3 * ioc_page3; 670 671 /* Raid Data */ 672 struct mpt_raid_volume* raid_volumes; 673 struct mpt_raid_disk* raid_disks; 674 u_int raid_max_volumes; 675 u_int raid_max_disks; 676 u_int raid_page0_len; 677 u_int raid_wakeup; 678 u_int raid_rescan; 679 u_int raid_resync_rate; 680 u_int raid_mwce_setting; 681 u_int raid_queue_depth; 682 u_int raid_nonopt_volumes; 683 struct proc *raid_thread; 684 struct callout raid_timer; 685 686 /* 687 * PCI Hardware info 688 */ 689 int pci_msi_count; 690 struct resource * pci_irq; /* Interrupt map for chip */ 691 void * ih; /* Interupt handle */ 692 struct mpt_pci_cfg pci_cfg; /* saved PCI conf registers */ 693 694 /* 695 * DMA Mapping Stuff 696 */ 697 struct resource * pci_reg; /* Register map for chip */ 698 int pci_mem_rid; /* Resource ID */ 699 bus_space_tag_t pci_st; /* Bus tag for registers */ 700 bus_space_handle_t pci_sh; /* Bus handle for registers */ 701 /* PIO versions of above. */ 702 int pci_pio_rid; 703 struct resource * pci_pio_reg; 704 bus_space_tag_t pci_pio_st; 705 bus_space_handle_t pci_pio_sh; 706 707 bus_dma_tag_t parent_dmat; /* DMA tag for parent PCI bus */ 708 bus_dma_tag_t reply_dmat; /* DMA tag for reply memory */ 709 bus_dmamap_t reply_dmap; /* DMA map for reply memory */ 710 uint8_t *reply; /* KVA of reply memory */ 711 bus_addr_t reply_phys; /* BusAddr of reply memory */ 712 713 bus_dma_tag_t buffer_dmat; /* DMA tag for buffers */ 714 bus_dma_tag_t request_dmat; /* DMA tag for request memroy */ 715 bus_dmamap_t request_dmap; /* DMA map for request memroy */ 716 uint8_t *request; /* KVA of Request memory */ 717 bus_addr_t request_phys; /* BusAddr of request memory */ 718 719 uint32_t max_seg_cnt; /* calculated after IOC facts */ 720 721 /* 722 * Hardware management 723 */ 724 u_int reset_cnt; 725 726 /* 727 * CAM && Software Management 728 */ 729 request_t *request_pool; 730 struct req_queue request_free_list; 731 struct req_queue request_pending_list; 732 struct req_queue request_timeout_list; 733 734 735 struct cam_sim *sim; 736 struct cam_path *path; 737 738 struct cam_sim *phydisk_sim; 739 struct cam_path *phydisk_path; 740 741 struct proc *recovery_thread; 742 request_t *tmf_req; 743 744 /* 745 * Deferred frame acks due to resource shortage. 746 */ 747 struct mpt_evtf_list ack_frames; 748 749 /* 750 * Target Mode Support 751 */ 752 uint32_t scsi_tgt_handler_id; 753 request_t ** tgt_cmd_ptrs; 754 request_t ** els_cmd_ptrs; /* FC only */ 755 756 /* 757 * *snork*- this is chosen to be here *just in case* somebody 758 * forgets to point to it exactly and we index off of trt with 759 * CAM_LUN_WILDCARD. 760 */ 761 tgt_resource_t trt_wildcard; /* wildcard luns */ 762 tgt_resource_t trt[MPT_MAX_LUNS]; 763 uint16_t tgt_cmds_allocated; 764 uint16_t els_cmds_allocated; /* FC only */ 765 766 uint16_t timeouts; /* timeout count */ 767 uint16_t success; /* successes afer timeout */ 768 uint16_t sequence; /* Sequence Number */ 769 uint16_t pad3; 770 771 772 /* Paired port in some dual adapters configurations */ 773 struct mpt_softc * mpt2; 774 775 /* FW Image management */ 776 uint32_t fw_image_size; 777 uint8_t *fw_image; 778 bus_dma_tag_t fw_dmat; /* DMA tag for firmware image */ 779 bus_dmamap_t fw_dmap; /* DMA map for firmware image */ 780 bus_addr_t fw_phys; /* BusAddr of firmware image */ 781 782 /* SAS Topology */ 783 struct mptsas_portinfo *sas_portinfo; 784 785 /* Shutdown Event Handler. */ 786 eventhandler_tag eh; 787 788 /* Userland management interface. */ 789 struct cdev *cdev; 790 791 TAILQ_ENTRY(mpt_softc) links; 792 }; 793 794 static __inline void mpt_assign_serno(struct mpt_softc *, request_t *); 795 796 static __inline void 797 mpt_assign_serno(struct mpt_softc *mpt, request_t *req) 798 { 799 if ((req->serno = mpt->sequence++) == 0) { 800 req->serno = mpt->sequence++; 801 } 802 } 803 804 /***************************** Locking Primitives *****************************/ 805 #if __FreeBSD_version < 500000 806 #define MPT_IFLAGS INTR_TYPE_CAM 807 #define MPT_LOCK(mpt) mpt_lockspl(mpt) 808 #define MPT_UNLOCK(mpt) mpt_unlockspl(mpt) 809 #define MPT_OWNED(mpt) mpt->mpt_islocked 810 #define MPT_LOCK_ASSERT(mpt) 811 #define MPTLOCK_2_CAMLOCK MPT_UNLOCK 812 #define CAMLOCK_2_MPTLOCK MPT_LOCK 813 #define MPT_LOCK_SETUP(mpt) 814 #define MPT_LOCK_DESTROY(mpt) 815 816 static __inline void mpt_lockspl(struct mpt_softc *mpt); 817 static __inline void mpt_unlockspl(struct mpt_softc *mpt); 818 819 static __inline void 820 mpt_lockspl(struct mpt_softc *mpt) 821 { 822 int s; 823 824 s = splcam(); 825 if (mpt->mpt_islocked++ == 0) { 826 mpt->mpt_splsaved = s; 827 } else { 828 splx(s); 829 panic("Recursed lock with mask: 0x%x\n", s); 830 } 831 } 832 833 static __inline void 834 mpt_unlockspl(struct mpt_softc *mpt) 835 { 836 if (mpt->mpt_islocked) { 837 if (--mpt->mpt_islocked == 0) { 838 splx(mpt->mpt_splsaved); 839 } 840 } else 841 panic("Negative lock count\n"); 842 } 843 844 static __inline int 845 mpt_sleep(struct mpt_softc *mpt, void *ident, int priority, 846 const char *wmesg, int timo) 847 { 848 int saved_cnt; 849 int saved_spl; 850 int error; 851 852 KASSERT(mpt->mpt_islocked <= 1, ("Invalid lock count on tsleep")); 853 saved_cnt = mpt->mpt_islocked; 854 saved_spl = mpt->mpt_splsaved; 855 mpt->mpt_islocked = 0; 856 error = tsleep(ident, priority, wmesg, timo); 857 KASSERT(mpt->mpt_islocked == 0, ("Invalid lock count on wakeup")); 858 mpt->mpt_islocked = saved_cnt; 859 mpt->mpt_splsaved = saved_spl; 860 return (error); 861 } 862 863 #define mpt_req_timeout(req, ticks, func, arg) \ 864 callout_reset(&(req)->callout, (ticks), (func), (arg)); 865 #define mpt_req_untimeout(req, func, arg) \ 866 callout_stop(&(req)->callout) 867 868 #else 869 #if 1 870 #define MPT_IFLAGS INTR_TYPE_CAM | INTR_ENTROPY | INTR_MPSAFE 871 #define MPT_LOCK_SETUP(mpt) \ 872 mtx_init(&mpt->mpt_lock, "mpt", NULL, MTX_DEF); \ 873 mpt->mpt_locksetup = 1 874 #define MPT_LOCK_DESTROY(mpt) \ 875 if (mpt->mpt_locksetup) { \ 876 mtx_destroy(&mpt->mpt_lock); \ 877 mpt->mpt_locksetup = 0; \ 878 } 879 880 #define MPT_LOCK(mpt) mtx_lock(&(mpt)->mpt_lock) 881 #define MPT_UNLOCK(mpt) mtx_unlock(&(mpt)->mpt_lock) 882 #define MPT_OWNED(mpt) mtx_owned(&(mpt)->mpt_lock) 883 #define MPT_LOCK_ASSERT(mpt) mtx_assert(&(mpt)->mpt_lock, MA_OWNED) 884 #define MPTLOCK_2_CAMLOCK(mpt) 885 #define CAMLOCK_2_MPTLOCK(mpt) 886 #define mpt_sleep(mpt, ident, priority, wmesg, timo) \ 887 msleep(ident, &(mpt)->mpt_lock, priority, wmesg, timo) 888 #define mpt_req_timeout(req, ticks, func, arg) \ 889 callout_reset(&(req)->callout, (ticks), (func), (arg)); 890 #define mpt_req_untimeout(req, func, arg) \ 891 callout_stop(&(req)->callout) 892 893 #else 894 895 #define MPT_IFLAGS INTR_TYPE_CAM | INTR_ENTROPY 896 #define MPT_LOCK_SETUP(mpt) do { } while (0) 897 #define MPT_LOCK_DESTROY(mpt) do { } while (0) 898 #define MPT_LOCK_ASSERT(mpt) mtx_assert(&Giant, MA_OWNED) 899 #define MPT_LOCK(mpt) mtx_lock(&Giant) 900 #define MPT_UNLOCK(mpt) mtx_unlock(&Giant) 901 #define MPTLOCK_2_CAMLOCK(mpt) 902 #define CAMLOCK_2_MPTLOCK(mpt) 903 904 static __inline int 905 mpt_sleep(struct mpt_softc *, void *, int, const char *, int); 906 907 #define mpt_ccb_timeout(ccb, ticks, func, arg) \ 908 do { \ 909 (ccb)->ccb_h.timeout_ch = timeout((func), (arg), (ticks)); \ 910 } while (0) 911 #define mpt_ccb_untimeout(ccb, func, arg) \ 912 untimeout((func), (arg), (ccb)->ccb_h.timeout_ch) 913 #define mpt_ccb_timeout_init(ccb) \ 914 callout_handle_init(&(ccb)->ccb_h.timeout_ch) 915 916 static __inline int 917 mpt_sleep(struct mpt_softc *mpt, void *i, int p, const char *w, int t) 918 { 919 int r; 920 r = tsleep(i, p, w, t); 921 return (r); 922 } 923 #endif 924 #endif 925 926 /******************************* Register Access ******************************/ 927 static __inline void mpt_write(struct mpt_softc *, size_t, uint32_t); 928 static __inline uint32_t mpt_read(struct mpt_softc *, int); 929 static __inline void mpt_pio_write(struct mpt_softc *, size_t, uint32_t); 930 static __inline uint32_t mpt_pio_read(struct mpt_softc *, int); 931 932 static __inline void 933 mpt_write(struct mpt_softc *mpt, size_t offset, uint32_t val) 934 { 935 bus_space_write_4(mpt->pci_st, mpt->pci_sh, offset, val); 936 } 937 938 static __inline uint32_t 939 mpt_read(struct mpt_softc *mpt, int offset) 940 { 941 return (bus_space_read_4(mpt->pci_st, mpt->pci_sh, offset)); 942 } 943 944 /* 945 * Some operations (e.g. diagnostic register writes while the ARM proccessor 946 * is disabled), must be performed using "PCI pio" operations. On non-PCI 947 * busses, these operations likely map to normal register accesses. 948 */ 949 static __inline void 950 mpt_pio_write(struct mpt_softc *mpt, size_t offset, uint32_t val) 951 { 952 bus_space_write_4(mpt->pci_pio_st, mpt->pci_pio_sh, offset, val); 953 } 954 955 static __inline uint32_t 956 mpt_pio_read(struct mpt_softc *mpt, int offset) 957 { 958 return (bus_space_read_4(mpt->pci_pio_st, mpt->pci_pio_sh, offset)); 959 } 960 /*********************** Reply Frame/Request Management ***********************/ 961 /* Max MPT Reply we are willing to accept (must be power of 2) */ 962 #define MPT_REPLY_SIZE 256 963 964 /* 965 * Must be less than 16384 in order for target mode to work 966 */ 967 #define MPT_MAX_REQUESTS(mpt) 512 968 #define MPT_REQUEST_AREA 512 969 #define MPT_SENSE_SIZE 32 /* included in MPT_REQUEST_AREA */ 970 #define MPT_REQ_MEM_SIZE(mpt) (MPT_MAX_REQUESTS(mpt) * MPT_REQUEST_AREA) 971 972 #define MPT_CONTEXT_CB_SHIFT (16) 973 #define MPT_CBI(handle) (handle >> MPT_CONTEXT_CB_SHIFT) 974 #define MPT_CBI_TO_HID(cbi) ((cbi) << MPT_CONTEXT_CB_SHIFT) 975 #define MPT_CONTEXT_TO_CBI(x) \ 976 (((x) >> MPT_CONTEXT_CB_SHIFT) & (MPT_NUM_REPLY_HANDLERS - 1)) 977 #define MPT_CONTEXT_REQI_MASK 0xFFFF 978 #define MPT_CONTEXT_TO_REQI(x) ((x) & MPT_CONTEXT_REQI_MASK) 979 980 /* 981 * Convert a 32bit physical address returned from IOC to an 982 * offset into our reply frame memory or the kvm address needed 983 * to access the data. The returned address is only the low 984 * 32 bits, so mask our base physical address accordingly. 985 */ 986 #define MPT_REPLY_BADDR(x) \ 987 (x << 1) 988 #define MPT_REPLY_OTOV(m, i) \ 989 ((void *)(&m->reply[i])) 990 991 #define MPT_DUMP_REPLY_FRAME(mpt, reply_frame) \ 992 do { \ 993 if (mpt->verbose > MPT_PRT_DEBUG) \ 994 mpt_dump_reply_frame(mpt, reply_frame); \ 995 } while(0) 996 997 static __inline uint32_t mpt_pop_reply_queue(struct mpt_softc *mpt); 998 static __inline void mpt_free_reply(struct mpt_softc *mpt, uint32_t ptr); 999 1000 /* 1001 * Give the reply buffer back to the IOC after we have 1002 * finished processing it. 1003 */ 1004 static __inline void 1005 mpt_free_reply(struct mpt_softc *mpt, uint32_t ptr) 1006 { 1007 mpt_write(mpt, MPT_OFFSET_REPLY_Q, ptr); 1008 } 1009 1010 /* Get a reply from the IOC */ 1011 static __inline uint32_t 1012 mpt_pop_reply_queue(struct mpt_softc *mpt) 1013 { 1014 return mpt_read(mpt, MPT_OFFSET_REPLY_Q); 1015 } 1016 1017 void 1018 mpt_complete_request_chain(struct mpt_softc *, struct req_queue *, u_int); 1019 1020 /************************** Scatter Gather Managment **************************/ 1021 /* MPT_RQSL- size of request frame, in bytes */ 1022 #define MPT_RQSL(mpt) (mpt->ioc_facts.RequestFrameSize << 2) 1023 1024 /* MPT_NSGL- how many SG entries can fit in a request frame size */ 1025 #define MPT_NSGL(mpt) (MPT_RQSL(mpt) / sizeof (SGE_IO_UNION)) 1026 1027 /* MPT_NRFM- how many request frames can fit in each request alloc we make */ 1028 #define MPT_NRFM(mpt) (MPT_REQUEST_AREA / MPT_RQSL(mpt)) 1029 1030 /* 1031 * MPT_NSGL_FIRST- # of SG elements that can fit after 1032 * an I/O request but still within the request frame. 1033 * Do this safely based upon SGE_IO_UNION. 1034 * 1035 * Note that the first element is *within* the SCSI request. 1036 */ 1037 #define MPT_NSGL_FIRST(mpt) \ 1038 ((MPT_RQSL(mpt) - sizeof (MSG_SCSI_IO_REQUEST) + sizeof (SGE_IO_UNION)) / \ 1039 sizeof (SGE_IO_UNION)) 1040 1041 /***************************** IOC Initialization *****************************/ 1042 int mpt_reset(struct mpt_softc *, int /*reinit*/); 1043 1044 /****************************** Debugging ************************************/ 1045 typedef struct mpt_decode_entry { 1046 char *name; 1047 u_int value; 1048 u_int mask; 1049 } mpt_decode_entry_t; 1050 1051 int mpt_decode_value(mpt_decode_entry_t *table, u_int num_entries, 1052 const char *name, u_int value, u_int *cur_column, 1053 u_int wrap_point); 1054 1055 void mpt_dump_data(struct mpt_softc *, const char *, void *, int); 1056 void mpt_dump_request(struct mpt_softc *, request_t *); 1057 1058 enum { 1059 MPT_PRT_ALWAYS, 1060 MPT_PRT_FATAL, 1061 MPT_PRT_ERROR, 1062 MPT_PRT_WARN, 1063 MPT_PRT_INFO, 1064 MPT_PRT_NEGOTIATION, 1065 MPT_PRT_DEBUG, 1066 MPT_PRT_DEBUG1, 1067 MPT_PRT_DEBUG2, 1068 MPT_PRT_DEBUG3, 1069 MPT_PRT_TRACE, 1070 MPT_PRT_NONE=100 1071 }; 1072 1073 #if __FreeBSD_version > 500000 1074 #define mpt_lprt(mpt, level, ...) \ 1075 do { \ 1076 if (level <= (mpt)->verbose) \ 1077 mpt_prt(mpt, __VA_ARGS__); \ 1078 } while (0) 1079 1080 #define mpt_lprtc(mpt, level, ...) \ 1081 do { \ 1082 if (level <= (mpt)->debug_level) \ 1083 mpt_prtc(mpt, __VA_ARGS__); \ 1084 } while (0) 1085 #else 1086 void mpt_lprt(struct mpt_softc *, int, const char *, ...) 1087 __printflike(3, 4); 1088 void mpt_lprtc(struct mpt_softc *, int, const char *, ...) 1089 __printflike(3, 4); 1090 #endif 1091 void mpt_prt(struct mpt_softc *, const char *, ...) 1092 __printflike(2, 3); 1093 void mpt_prtc(struct mpt_softc *, const char *, ...) 1094 __printflike(2, 3); 1095 1096 /**************************** Target Mode Related ***************************/ 1097 static __inline int mpt_cdblen(uint8_t, int); 1098 static __inline int 1099 mpt_cdblen(uint8_t cdb0, int maxlen) 1100 { 1101 int group = cdb0 >> 5; 1102 switch (group) { 1103 case 0: 1104 return (6); 1105 case 1: 1106 return (10); 1107 case 4: 1108 case 5: 1109 return (12); 1110 default: 1111 return (16); 1112 } 1113 } 1114 #ifdef INVARIANTS 1115 static __inline request_t * mpt_tag_2_req(struct mpt_softc *, uint32_t); 1116 static __inline request_t * 1117 mpt_tag_2_req(struct mpt_softc *mpt, uint32_t tag) 1118 { 1119 uint16_t rtg = (tag >> 18); 1120 KASSERT(rtg < mpt->tgt_cmds_allocated, ("bad tag %d\n", tag)); 1121 KASSERT(mpt->tgt_cmd_ptrs, ("no cmd backpointer array")); 1122 KASSERT(mpt->tgt_cmd_ptrs[rtg], ("no cmd backpointer")); 1123 return (mpt->tgt_cmd_ptrs[rtg]); 1124 } 1125 1126 1127 static __inline int 1128 mpt_req_on_free_list(struct mpt_softc *, request_t *); 1129 static __inline int 1130 mpt_req_on_pending_list(struct mpt_softc *, request_t *); 1131 1132 static __inline void 1133 mpt_req_spcl(struct mpt_softc *, request_t *, const char *, int); 1134 static __inline void 1135 mpt_req_not_spcl(struct mpt_softc *, request_t *, const char *, int); 1136 1137 1138 /* 1139 * Is request on freelist? 1140 */ 1141 static __inline int 1142 mpt_req_on_free_list(struct mpt_softc *mpt, request_t *req) 1143 { 1144 request_t *lrq; 1145 1146 TAILQ_FOREACH(lrq, &mpt->request_free_list, links) { 1147 if (lrq == req) { 1148 return (1); 1149 } 1150 } 1151 return (0); 1152 } 1153 1154 /* 1155 * Is request on pending list? 1156 */ 1157 static __inline int 1158 mpt_req_on_pending_list(struct mpt_softc *mpt, request_t *req) 1159 { 1160 request_t *lrq; 1161 1162 TAILQ_FOREACH(lrq, &mpt->request_pending_list, links) { 1163 if (lrq == req) { 1164 return (1); 1165 } 1166 } 1167 return (0); 1168 } 1169 1170 /* 1171 * Make sure that req *is* part of one of the special lists 1172 */ 1173 static __inline void 1174 mpt_req_spcl(struct mpt_softc *mpt, request_t *req, const char *s, int line) 1175 { 1176 int i; 1177 for (i = 0; i < mpt->els_cmds_allocated; i++) { 1178 if (req == mpt->els_cmd_ptrs[i]) { 1179 return; 1180 } 1181 } 1182 for (i = 0; i < mpt->tgt_cmds_allocated; i++) { 1183 if (req == mpt->tgt_cmd_ptrs[i]) { 1184 return; 1185 } 1186 } 1187 panic("%s(%d): req %p:%u function %x not in els or tgt ptrs\n", 1188 s, line, req, req->serno, 1189 ((PTR_MSG_REQUEST_HEADER)req->req_vbuf)->Function); 1190 } 1191 1192 /* 1193 * Make sure that req is *not* part of one of the special lists. 1194 */ 1195 static __inline void 1196 mpt_req_not_spcl(struct mpt_softc *mpt, request_t *req, const char *s, int line) 1197 { 1198 int i; 1199 for (i = 0; i < mpt->els_cmds_allocated; i++) { 1200 KASSERT(req != mpt->els_cmd_ptrs[i], 1201 ("%s(%d): req %p:%u func %x in els ptrs at ioindex %d\n", 1202 s, line, req, req->serno, 1203 ((PTR_MSG_REQUEST_HEADER)req->req_vbuf)->Function, i)); 1204 } 1205 for (i = 0; i < mpt->tgt_cmds_allocated; i++) { 1206 KASSERT(req != mpt->tgt_cmd_ptrs[i], 1207 ("%s(%d): req %p:%u func %x in tgt ptrs at ioindex %d\n", 1208 s, line, req, req->serno, 1209 ((PTR_MSG_REQUEST_HEADER)req->req_vbuf)->Function, i)); 1210 } 1211 } 1212 #endif 1213 1214 /* 1215 * Task Management Types, purely for internal consumption 1216 */ 1217 typedef enum { 1218 MPT_ABORT_TASK_SET=1234, 1219 MPT_CLEAR_TASK_SET, 1220 MPT_TARGET_RESET, 1221 MPT_CLEAR_ACA, 1222 MPT_TERMINATE_TASK, 1223 MPT_NIL_TMT_VALUE=5678 1224 } mpt_task_mgmt_t; 1225 1226 /**************************** Unclassified Routines ***************************/ 1227 void mpt_send_cmd(struct mpt_softc *mpt, request_t *req); 1228 int mpt_recv_handshake_reply(struct mpt_softc *mpt, 1229 size_t reply_len, void *reply); 1230 int mpt_wait_req(struct mpt_softc *mpt, request_t *req, 1231 mpt_req_state_t state, mpt_req_state_t mask, 1232 int sleep_ok, int time_ms); 1233 void mpt_enable_ints(struct mpt_softc *mpt); 1234 void mpt_disable_ints(struct mpt_softc *mpt); 1235 int mpt_attach(struct mpt_softc *mpt); 1236 int mpt_shutdown(struct mpt_softc *mpt); 1237 int mpt_detach(struct mpt_softc *mpt); 1238 int mpt_send_handshake_cmd(struct mpt_softc *mpt, 1239 size_t len, void *cmd); 1240 request_t * mpt_get_request(struct mpt_softc *mpt, int sleep_ok); 1241 void mpt_free_request(struct mpt_softc *mpt, request_t *req); 1242 void mpt_intr(void *arg); 1243 void mpt_check_doorbell(struct mpt_softc *mpt); 1244 void mpt_dump_reply_frame(struct mpt_softc *mpt, 1245 MSG_DEFAULT_REPLY *reply_frame); 1246 1247 void mpt_set_config_regs(struct mpt_softc *); 1248 int mpt_issue_cfg_req(struct mpt_softc */*mpt*/, request_t */*req*/, 1249 cfgparms_t *params, 1250 bus_addr_t /*addr*/, bus_size_t/*len*/, 1251 int /*sleep_ok*/, int /*timeout_ms*/); 1252 int mpt_read_extcfg_header(struct mpt_softc *mpt, int PageVersion, 1253 int PageNumber, uint32_t PageAddress, 1254 int ExtPageType, 1255 CONFIG_EXTENDED_PAGE_HEADER *rslt, 1256 int sleep_ok, int timeout_ms); 1257 int mpt_read_extcfg_page(struct mpt_softc *mpt, int Action, 1258 uint32_t PageAddress, 1259 CONFIG_EXTENDED_PAGE_HEADER *hdr, 1260 void *buf, size_t len, int sleep_ok, 1261 int timeout_ms); 1262 int mpt_read_cfg_header(struct mpt_softc *, int /*PageType*/, 1263 int /*PageNumber*/, 1264 uint32_t /*PageAddress*/, 1265 CONFIG_PAGE_HEADER *, 1266 int /*sleep_ok*/, int /*timeout_ms*/); 1267 int mpt_read_cfg_page(struct mpt_softc *t, int /*Action*/, 1268 uint32_t /*PageAddress*/, 1269 CONFIG_PAGE_HEADER *, size_t /*len*/, 1270 int /*sleep_ok*/, int /*timeout_ms*/); 1271 int mpt_write_cfg_page(struct mpt_softc *, int /*Action*/, 1272 uint32_t /*PageAddress*/, 1273 CONFIG_PAGE_HEADER *, size_t /*len*/, 1274 int /*sleep_ok*/, int /*timeout_ms*/); 1275 static __inline int 1276 mpt_read_cur_cfg_page(struct mpt_softc *mpt, uint32_t PageAddress, 1277 CONFIG_PAGE_HEADER *hdr, size_t len, 1278 int sleep_ok, int timeout_ms) 1279 { 1280 return (mpt_read_cfg_page(mpt, MPI_CONFIG_ACTION_PAGE_READ_CURRENT, 1281 PageAddress, hdr, len, sleep_ok, timeout_ms)); 1282 } 1283 1284 static __inline int 1285 mpt_write_cur_cfg_page(struct mpt_softc *mpt, uint32_t PageAddress, 1286 CONFIG_PAGE_HEADER *hdr, size_t len, int sleep_ok, 1287 int timeout_ms) 1288 { 1289 return (mpt_write_cfg_page(mpt, MPI_CONFIG_ACTION_PAGE_WRITE_CURRENT, 1290 PageAddress, hdr, len, sleep_ok, 1291 timeout_ms)); 1292 } 1293 /* mpt_debug.c functions */ 1294 void mpt_print_reply(void *vmsg); 1295 void mpt_print_db(uint32_t mb); 1296 void mpt_print_config_reply(void *vmsg); 1297 char *mpt_ioc_diag(uint32_t diag); 1298 void mpt_req_state(mpt_req_state_t state); 1299 void mpt_print_config_request(void *vmsg); 1300 void mpt_print_request(void *vmsg); 1301 void mpt_print_scsi_io_request(MSG_SCSI_IO_REQUEST *msg); 1302 void mpt_dump_sgl(SGE_IO_UNION *se, int offset); 1303 #endif /* _MPT_H_ */ 1304