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 #ifdef __sparc64__ 134 #include <dev/ofw/openfirm.h> 135 #include <machine/ofw_machdep.h> 136 #endif 137 138 #include <sys/rman.h> 139 140 #if __FreeBSD_version < 500000 141 #include <pci/pcireg.h> 142 #include <pci/pcivar.h> 143 #else 144 #include <dev/pci/pcireg.h> 145 #include <dev/pci/pcivar.h> 146 #endif 147 148 #include <machine/bus.h> 149 #include "opt_ddb.h" 150 151 /**************************** Register Definitions ****************************/ 152 #include <dev/mpt/mpt_reg.h> 153 154 /******************************* MPI Definitions ******************************/ 155 #include <dev/mpt/mpilib/mpi_type.h> 156 #include <dev/mpt/mpilib/mpi.h> 157 #include <dev/mpt/mpilib/mpi_cnfg.h> 158 #include <dev/mpt/mpilib/mpi_ioc.h> 159 #include <dev/mpt/mpilib/mpi_raid.h> 160 161 /* XXX For mpt_debug.c */ 162 #include <dev/mpt/mpilib/mpi_init.h> 163 164 #define MPT_S64_2_SCALAR(y) ((((int64_t)y.High) << 32) | (y.Low)) 165 #define MPT_U64_2_SCALAR(y) ((((uint64_t)y.High) << 32) | (y.Low)) 166 167 /****************************** Misc Definitions ******************************/ 168 /* #define MPT_TEST_MULTIPATH 1 */ 169 #define MPT_OK (0) 170 #define MPT_FAIL (0x10000) 171 172 #define NUM_ELEMENTS(array) (sizeof(array) / sizeof(*array)) 173 174 #define MPT_ROLE_NONE 0 175 #define MPT_ROLE_INITIATOR 1 176 #define MPT_ROLE_TARGET 2 177 #define MPT_ROLE_BOTH 3 178 #define MPT_ROLE_DEFAULT MPT_ROLE_INITIATOR 179 180 #define MPT_INI_ID_NONE -1 181 182 /**************************** Forward Declarations ****************************/ 183 struct mpt_softc; 184 struct mpt_personality; 185 typedef struct req_entry request_t; 186 187 /************************* Personality Module Support *************************/ 188 typedef int mpt_load_handler_t(struct mpt_personality *); 189 typedef int mpt_probe_handler_t(struct mpt_softc *); 190 typedef int mpt_attach_handler_t(struct mpt_softc *); 191 typedef int mpt_enable_handler_t(struct mpt_softc *); 192 typedef void mpt_ready_handler_t(struct mpt_softc *); 193 typedef int mpt_event_handler_t(struct mpt_softc *, request_t *, 194 MSG_EVENT_NOTIFY_REPLY *); 195 typedef void mpt_reset_handler_t(struct mpt_softc *, int /*type*/); 196 /* XXX Add return value and use for veto? */ 197 typedef void mpt_shutdown_handler_t(struct mpt_softc *); 198 typedef void mpt_detach_handler_t(struct mpt_softc *); 199 typedef int mpt_unload_handler_t(struct mpt_personality *); 200 201 struct mpt_personality 202 { 203 const char *name; 204 uint32_t id; /* Assigned identifier. */ 205 u_int use_count; /* Instances using personality*/ 206 mpt_load_handler_t *load; /* configure personailty */ 207 #define MPT_PERS_FIRST_HANDLER(pers) (&(pers)->load) 208 mpt_probe_handler_t *probe; /* configure personailty */ 209 mpt_attach_handler_t *attach; /* initialize device instance */ 210 mpt_enable_handler_t *enable; /* enable device */ 211 mpt_ready_handler_t *ready; /* final open for business */ 212 mpt_event_handler_t *event; /* Handle MPI event. */ 213 mpt_reset_handler_t *reset; /* Re-init after reset. */ 214 mpt_shutdown_handler_t *shutdown; /* Shutdown instance. */ 215 mpt_detach_handler_t *detach; /* release device instance */ 216 mpt_unload_handler_t *unload; /* Shutdown personality */ 217 #define MPT_PERS_LAST_HANDLER(pers) (&(pers)->unload) 218 }; 219 220 int mpt_modevent(module_t, int, void *); 221 222 /* Maximum supported number of personalities. */ 223 #define MPT_MAX_PERSONALITIES (15) 224 225 #define MPT_PERSONALITY_DEPEND(name, dep, vmin, vpref, vmax) \ 226 MODULE_DEPEND(name, dep, vmin, vpref, vmax) 227 228 #define DECLARE_MPT_PERSONALITY(name, order) \ 229 static moduledata_t name##_mod = { \ 230 #name, mpt_modevent, &name##_personality \ 231 }; \ 232 DECLARE_MODULE(name, name##_mod, SI_SUB_DRIVERS, order); \ 233 MODULE_VERSION(name, 1); \ 234 MPT_PERSONALITY_DEPEND(name, mpt_core, 1, 1, 1) 235 236 /******************************* Bus DMA Support ******************************/ 237 /* XXX Need to update bus_dmamap_sync to take a range argument. */ 238 #define bus_dmamap_sync_range(dma_tag, dmamap, offset, len, op) \ 239 bus_dmamap_sync(dma_tag, dmamap, op) 240 241 #if __FreeBSD_version < 600000 242 #define bus_get_dma_tag(x) NULL 243 #endif 244 #if __FreeBSD_version >= 501102 245 #define mpt_dma_tag_create(mpt, parent_tag, alignment, boundary, \ 246 lowaddr, highaddr, filter, filterarg, \ 247 maxsize, nsegments, maxsegsz, flags, \ 248 dma_tagp) \ 249 bus_dma_tag_create(parent_tag, alignment, boundary, \ 250 lowaddr, highaddr, filter, filterarg, \ 251 maxsize, nsegments, maxsegsz, flags, \ 252 busdma_lock_mutex, &(mpt)->mpt_lock, \ 253 dma_tagp) 254 #else 255 #define mpt_dma_tag_create(mpt, parent_tag, alignment, boundary, \ 256 lowaddr, highaddr, filter, filterarg, \ 257 maxsize, nsegments, maxsegsz, flags, \ 258 dma_tagp) \ 259 bus_dma_tag_create(parent_tag, alignment, boundary, \ 260 lowaddr, highaddr, filter, filterarg, \ 261 maxsize, nsegments, maxsegsz, flags, \ 262 dma_tagp) 263 #endif 264 265 struct mpt_map_info { 266 struct mpt_softc *mpt; 267 int error; 268 uint32_t phys; 269 }; 270 271 void mpt_map_rquest(void *, bus_dma_segment_t *, int, int); 272 /* **************************** NewBUS interrupt Crock ************************/ 273 #if __FreeBSD_version < 700031 274 #define mpt_setup_intr(d, i, f, U, if, ifa, hp) \ 275 bus_setup_intr(d, i, f, if, ifa, hp) 276 #else 277 #define mpt_setup_intr bus_setup_intr 278 #endif 279 280 /* **************************** NewBUS CAM Support ****************************/ 281 #if __FreeBSD_version < 700049 282 #define mpt_xpt_bus_register(sim, parent, bus) \ 283 xpt_bus_register(sim, bus) 284 #else 285 #define mpt_xpt_bus_register xpt_bus_register 286 #endif 287 288 /**************************** Kernel Thread Support ***************************/ 289 #if __FreeBSD_version > 800001 290 #define mpt_kthread_create(func, farg, proc_ptr, flags, stackpgs, fmtstr, arg) \ 291 kproc_create(func, farg, proc_ptr, flags, stackpgs, fmtstr, arg) 292 #define mpt_kthread_exit(status) \ 293 kproc_exit(status) 294 #elif __FreeBSD_version > 500005 295 #define mpt_kthread_create(func, farg, proc_ptr, flags, stackpgs, fmtstr, arg) \ 296 kthread_create(func, farg, proc_ptr, flags, stackpgs, fmtstr, arg) 297 #define mpt_kthread_exit(status) \ 298 kthread_exit(status) 299 #else 300 #define mpt_kthread_create(func, farg, proc_ptr, flags, stackpgs, fmtstr, arg) \ 301 kthread_create(func, farg, proc_ptr, fmtstr, arg) 302 #define mpt_kthread_exit(status) \ 303 kthread_exit(status) 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_ioc3(CONFIG_PAGE_IOC_3 *); 321 void mpt2host_config_page_scsi_port_0(CONFIG_PAGE_SCSI_PORT_0 *); 322 void mpt2host_config_page_scsi_port_1(CONFIG_PAGE_SCSI_PORT_1 *); 323 void host2mpt_config_page_scsi_port_1(CONFIG_PAGE_SCSI_PORT_1 *); 324 void mpt2host_config_page_scsi_port_2(CONFIG_PAGE_SCSI_PORT_2 *); 325 void mpt2host_config_page_scsi_device_0(CONFIG_PAGE_SCSI_DEVICE_0 *); 326 void mpt2host_config_page_scsi_device_1(CONFIG_PAGE_SCSI_DEVICE_1 *); 327 void host2mpt_config_page_scsi_device_1(CONFIG_PAGE_SCSI_DEVICE_1 *); 328 void mpt2host_config_page_fc_port_0(CONFIG_PAGE_FC_PORT_0 *); 329 void mpt2host_config_page_fc_port_1(CONFIG_PAGE_FC_PORT_1 *); 330 void host2mpt_config_page_fc_port_1(CONFIG_PAGE_FC_PORT_1 *); 331 void mpt2host_config_page_raid_vol_0(CONFIG_PAGE_RAID_VOL_0 *); 332 void mpt2host_config_page_raid_phys_disk_0(CONFIG_PAGE_RAID_PHYS_DISK_0 *); 333 void mpt2host_mpi_raid_vol_indicator(MPI_RAID_VOL_INDICATOR *); 334 #else 335 #define mpt2host_sge_simple_union(x) do { ; } while (0) 336 #define mpt2host_iocfacts_reply(x) do { ; } while (0) 337 #define mpt2host_portfacts_reply(x) do { ; } while (0) 338 #define mpt2host_config_page_ioc2(x) do { ; } while (0) 339 #define mpt2host_config_page_ioc3(x) do { ; } while (0) 340 #define mpt2host_config_page_scsi_port_0(x) do { ; } while (0) 341 #define mpt2host_config_page_scsi_port_1(x) do { ; } while (0) 342 #define host2mpt_config_page_scsi_port_1(x) do { ; } while (0) 343 #define mpt2host_config_page_scsi_port_2(x) do { ; } while (0) 344 #define mpt2host_config_page_scsi_device_0(x) do { ; } while (0) 345 #define mpt2host_config_page_scsi_device_1(x) do { ; } while (0) 346 #define host2mpt_config_page_scsi_device_1(x) do { ; } while (0) 347 #define mpt2host_config_page_fc_port_0(x) do { ; } while (0) 348 #define mpt2host_config_page_fc_port_1(x) do { ; } while (0) 349 #define host2mpt_config_page_fc_port_1(x) do { ; } while (0) 350 #define mpt2host_config_page_raid_vol_0(x) do { ; } while (0) 351 #define mpt2host_config_page_raid_phys_disk_0(x) \ 352 do { ; } while (0) 353 #define mpt2host_mpi_raid_vol_indicator(x) do { ; } while (0) 354 #endif 355 356 /**************************** MPI Transaction State ***************************/ 357 typedef enum { 358 REQ_STATE_NIL = 0x00, 359 REQ_STATE_FREE = 0x01, 360 REQ_STATE_ALLOCATED = 0x02, 361 REQ_STATE_QUEUED = 0x04, 362 REQ_STATE_DONE = 0x08, 363 REQ_STATE_TIMEDOUT = 0x10, 364 REQ_STATE_NEED_WAKEUP = 0x20, 365 REQ_STATE_LOCKED = 0x80, /* can't be freed */ 366 REQ_STATE_MASK = 0xFF 367 } mpt_req_state_t; 368 369 struct req_entry { 370 TAILQ_ENTRY(req_entry) links; /* Pointer to next in list */ 371 mpt_req_state_t state; /* Request State Information */ 372 uint16_t index; /* Index of this entry */ 373 uint16_t IOCStatus; /* Completion status */ 374 uint16_t ResponseCode; /* TMF Response Code */ 375 uint16_t serno; /* serial number */ 376 union ccb *ccb; /* CAM request */ 377 void *req_vbuf; /* Virtual Address of Entry */ 378 void *sense_vbuf; /* Virtual Address of sense data */ 379 bus_addr_t req_pbuf; /* Physical Address of Entry */ 380 bus_addr_t sense_pbuf; /* Physical Address of sense data */ 381 bus_dmamap_t dmap; /* DMA map for data buffers */ 382 struct req_entry *chain; /* for SGE overallocations */ 383 struct callout callout; /* Timeout for the request */ 384 }; 385 386 typedef struct mpt_config_params { 387 u_int Action; 388 u_int PageVersion; 389 u_int PageLength; 390 u_int PageNumber; 391 u_int PageType; 392 u_int PageAddress; 393 u_int ExtPageLength; 394 u_int ExtPageType; 395 } cfgparms_t; 396 397 /**************************** MPI Target State Info ***************************/ 398 399 typedef struct { 400 uint32_t reply_desc; /* current reply descriptor */ 401 uint32_t resid; /* current data residual */ 402 uint32_t bytes_xfered; /* current relative offset */ 403 union ccb *ccb; /* pointer to currently active ccb */ 404 request_t *req; /* pointer to currently active assist request */ 405 uint32_t 406 is_local : 1, 407 nxfers : 31; 408 uint32_t tag_id; 409 enum { 410 TGT_STATE_NIL, 411 TGT_STATE_LOADING, 412 TGT_STATE_LOADED, 413 TGT_STATE_IN_CAM, 414 TGT_STATE_SETTING_UP_FOR_DATA, 415 TGT_STATE_MOVING_DATA, 416 TGT_STATE_MOVING_DATA_AND_STATUS, 417 TGT_STATE_SENDING_STATUS 418 } state; 419 } mpt_tgt_state_t; 420 421 /* 422 * When we get an incoming command it has its own tag which is called the 423 * IoIndex. This is the value we gave that particular command buffer when 424 * we originally assigned it. It's just a number, really. The FC card uses 425 * it as an RX_ID. We can use it to index into mpt->tgt_cmd_ptrs, which 426 * contains pointers the request_t structures related to that IoIndex. 427 * 428 * What *we* do is construct a tag out of the index for the target command 429 * which owns the incoming ATIO plus a rolling sequence number. 430 */ 431 #define MPT_MAKE_TAGID(mpt, req, ioindex) \ 432 ((ioindex << 18) | (((mpt->sequence++) & 0x3f) << 12) | (req->index & 0xfff)) 433 434 #ifdef INVARIANTS 435 #define MPT_TAG_2_REQ(a, b) mpt_tag_2_req(a, (uint32_t) b) 436 #else 437 #define MPT_TAG_2_REQ(mpt, tag) mpt->tgt_cmd_ptrs[tag >> 18] 438 #endif 439 440 #define MPT_TGT_STATE(mpt, req) ((mpt_tgt_state_t *) \ 441 (&((uint8_t *)req->req_vbuf)[MPT_RQSL(mpt) - sizeof (mpt_tgt_state_t)])) 442 443 STAILQ_HEAD(mpt_hdr_stailq, ccb_hdr); 444 #define MPT_MAX_LUNS 256 445 typedef struct { 446 struct mpt_hdr_stailq atios; 447 struct mpt_hdr_stailq inots; 448 int enabled; 449 } tgt_resource_t; 450 #define MPT_MAX_ELS 64 451 452 /**************************** Handler Registration ****************************/ 453 /* 454 * Global table of registered reply handlers. The 455 * handler is indicated by byte 3 of the request 456 * index submitted to the IOC. This allows the 457 * driver core to perform generic processing without 458 * any knowledge of per-personality behavior. 459 * 460 * MPT_NUM_REPLY_HANDLERS must be a power of 2 461 * to allow the easy generation of a mask. 462 * 463 * The handler offsets used by the core are hard coded 464 * allowing faster code generation when assigning a handler 465 * to a request. All "personalities" must use the 466 * the handler registration mechanism. 467 * 468 * The IOC handlers that are rarely executed are placed 469 * at the tail of the table to make it more likely that 470 * all commonly executed handlers fit in a single cache 471 * line. 472 */ 473 #define MPT_NUM_REPLY_HANDLERS (32) 474 #define MPT_REPLY_HANDLER_EVENTS MPT_CBI_TO_HID(0) 475 #define MPT_REPLY_HANDLER_CONFIG MPT_CBI_TO_HID(MPT_NUM_REPLY_HANDLERS-1) 476 #define MPT_REPLY_HANDLER_HANDSHAKE MPT_CBI_TO_HID(MPT_NUM_REPLY_HANDLERS-2) 477 typedef int mpt_reply_handler_t(struct mpt_softc *mpt, request_t *request, 478 uint32_t reply_desc, MSG_DEFAULT_REPLY *reply_frame); 479 typedef union { 480 mpt_reply_handler_t *reply_handler; 481 } mpt_handler_t; 482 483 typedef enum { 484 MPT_HANDLER_REPLY, 485 MPT_HANDLER_EVENT, 486 MPT_HANDLER_RESET, 487 MPT_HANDLER_SHUTDOWN 488 } mpt_handler_type; 489 490 struct mpt_handler_record 491 { 492 LIST_ENTRY(mpt_handler_record) links; 493 mpt_handler_t handler; 494 }; 495 496 LIST_HEAD(mpt_handler_list, mpt_handler_record); 497 498 /* 499 * The handler_id is currently unused but would contain the 500 * handler ID used in the MsgContext field to allow direction 501 * of replies to the handler. Registrations that don't require 502 * a handler id can pass in NULL for the handler_id. 503 * 504 * Deregistrations for handlers without a handler id should 505 * pass in MPT_HANDLER_ID_NONE. 506 */ 507 #define MPT_HANDLER_ID_NONE (0xFFFFFFFF) 508 int mpt_register_handler(struct mpt_softc *, mpt_handler_type, 509 mpt_handler_t, uint32_t *); 510 int mpt_deregister_handler(struct mpt_softc *, mpt_handler_type, 511 mpt_handler_t, uint32_t); 512 513 /******************* Per-Controller Instance Data Structures ******************/ 514 TAILQ_HEAD(req_queue, req_entry); 515 516 /* Structure for saving proper values for modifyable PCI config registers */ 517 struct mpt_pci_cfg { 518 uint16_t Command; 519 uint16_t LatencyTimer_LineSize; 520 uint32_t IO_BAR; 521 uint32_t Mem0_BAR[2]; 522 uint32_t Mem1_BAR[2]; 523 uint32_t ROM_BAR; 524 uint8_t IntLine; 525 uint32_t PMCSR; 526 }; 527 528 typedef enum { 529 MPT_RVF_NONE = 0x0, 530 MPT_RVF_ACTIVE = 0x1, 531 MPT_RVF_ANNOUNCED = 0x2, 532 MPT_RVF_UP2DATE = 0x4, 533 MPT_RVF_REFERENCED = 0x8, 534 MPT_RVF_WCE_CHANGED = 0x10 535 } mpt_raid_volume_flags; 536 537 struct mpt_raid_volume { 538 CONFIG_PAGE_RAID_VOL_0 *config_page; 539 MPI_RAID_VOL_INDICATOR sync_progress; 540 mpt_raid_volume_flags flags; 541 u_int quiesced_disks; 542 }; 543 544 typedef enum { 545 MPT_RDF_NONE = 0x00, 546 MPT_RDF_ACTIVE = 0x01, 547 MPT_RDF_ANNOUNCED = 0x02, 548 MPT_RDF_UP2DATE = 0x04, 549 MPT_RDF_REFERENCED = 0x08, 550 MPT_RDF_QUIESCING = 0x10, 551 MPT_RDF_QUIESCED = 0x20 552 } mpt_raid_disk_flags; 553 554 struct mpt_raid_disk { 555 CONFIG_PAGE_RAID_PHYS_DISK_0 config_page; 556 struct mpt_raid_volume *volume; 557 u_int member_number; 558 u_int pass_thru_active; 559 mpt_raid_disk_flags flags; 560 }; 561 562 struct mpt_evtf_record { 563 MSG_EVENT_NOTIFY_REPLY reply; 564 uint32_t context; 565 LIST_ENTRY(mpt_evtf_record) links; 566 }; 567 568 LIST_HEAD(mpt_evtf_list, mpt_evtf_record); 569 570 struct mptsas_devinfo { 571 uint16_t dev_handle; 572 uint16_t parent_dev_handle; 573 uint16_t enclosure_handle; 574 uint16_t slot; 575 uint8_t phy_num; 576 uint8_t physical_port; 577 uint8_t target_id; 578 uint8_t bus; 579 uint64_t sas_address; 580 uint32_t device_info; 581 }; 582 583 struct mptsas_phyinfo { 584 uint16_t handle; 585 uint8_t phy_num; 586 uint8_t port_id; 587 uint8_t negotiated_link_rate; 588 uint8_t hw_link_rate; 589 uint8_t programmed_link_rate; 590 uint8_t sas_port_add_phy; 591 struct mptsas_devinfo identify; 592 struct mptsas_devinfo attached; 593 }; 594 595 struct mptsas_portinfo { 596 uint16_t num_phys; 597 struct mptsas_phyinfo *phy_info; 598 }; 599 600 struct mpt_softc { 601 device_t dev; 602 #if __FreeBSD_version < 500000 603 uint32_t mpt_islocked; 604 int mpt_splsaved; 605 #else 606 struct mtx mpt_lock; 607 int mpt_locksetup; 608 #endif 609 uint32_t mpt_pers_mask; 610 uint32_t 611 : 7, 612 unit : 8, 613 ready : 1, 614 fw_uploaded : 1, 615 msi_enable : 1, 616 twildcard : 1, 617 tenabled : 1, 618 do_cfg_role : 1, 619 raid_enabled : 1, 620 raid_mwce_set : 1, 621 getreqwaiter : 1, 622 shutdwn_raid : 1, 623 shutdwn_recovery: 1, 624 outofbeer : 1, 625 disabled : 1, 626 is_spi : 1, 627 is_sas : 1, 628 is_fc : 1, 629 is_1078 : 1; 630 631 u_int cfg_role; 632 u_int role; /* role: none, ini, target, both */ 633 634 u_int verbose; 635 #ifdef MPT_TEST_MULTIPATH 636 int failure_id; 637 #endif 638 639 /* 640 * IOC Facts 641 */ 642 MSG_IOC_FACTS_REPLY ioc_facts; 643 644 /* 645 * Port Facts 646 */ 647 MSG_PORT_FACTS_REPLY * port_facts; 648 #define mpt_max_tgtcmds port_facts[0].MaxPostedCmdBuffers 649 650 /* 651 * Device Configuration Information 652 */ 653 union { 654 struct mpt_spi_cfg { 655 CONFIG_PAGE_SCSI_PORT_0 _port_page0; 656 CONFIG_PAGE_SCSI_PORT_1 _port_page1; 657 CONFIG_PAGE_SCSI_PORT_2 _port_page2; 658 CONFIG_PAGE_SCSI_DEVICE_0 _dev_page0[16]; 659 CONFIG_PAGE_SCSI_DEVICE_1 _dev_page1[16]; 660 int _ini_id; 661 uint16_t _tag_enable; 662 uint16_t _disc_enable; 663 } spi; 664 #define mpt_port_page0 cfg.spi._port_page0 665 #define mpt_port_page1 cfg.spi._port_page1 666 #define mpt_port_page2 cfg.spi._port_page2 667 #define mpt_dev_page0 cfg.spi._dev_page0 668 #define mpt_dev_page1 cfg.spi._dev_page1 669 #define mpt_ini_id cfg.spi._ini_id 670 #define mpt_tag_enable cfg.spi._tag_enable 671 #define mpt_disc_enable cfg.spi._disc_enable 672 struct mpi_fc_cfg { 673 CONFIG_PAGE_FC_PORT_0 _port_page0; 674 uint32_t _port_speed; 675 #define mpt_fcport_page0 cfg.fc._port_page0 676 #define mpt_fcport_speed cfg.fc._port_speed 677 } fc; 678 } cfg; 679 #if __FreeBSD_version >= 500000 680 /* 681 * Device config information stored up for sysctl to access 682 */ 683 union { 684 struct { 685 unsigned int initiator_id; 686 } spi; 687 struct { 688 char wwnn[19]; 689 char wwpn[19]; 690 } fc; 691 } scinfo; 692 #endif 693 694 /* Controller Info for RAID information */ 695 CONFIG_PAGE_IOC_2 * ioc_page2; 696 CONFIG_PAGE_IOC_3 * ioc_page3; 697 698 /* Raid Data */ 699 struct mpt_raid_volume* raid_volumes; 700 struct mpt_raid_disk* raid_disks; 701 u_int raid_max_volumes; 702 u_int raid_max_disks; 703 u_int raid_page0_len; 704 u_int raid_wakeup; 705 u_int raid_rescan; 706 u_int raid_resync_rate; 707 u_int raid_mwce_setting; 708 u_int raid_queue_depth; 709 u_int raid_nonopt_volumes; 710 struct proc *raid_thread; 711 struct callout raid_timer; 712 713 /* 714 * PCI Hardware info 715 */ 716 int pci_msi_count; 717 struct resource * pci_irq; /* Interrupt map for chip */ 718 void * ih; /* Interrupt handle */ 719 #if 0 720 struct mpt_pci_cfg pci_cfg; /* saved PCI conf registers */ 721 #endif 722 723 /* 724 * DMA Mapping Stuff 725 */ 726 struct resource * pci_reg; /* Register map for chip */ 727 bus_space_tag_t pci_st; /* Bus tag for registers */ 728 bus_space_handle_t pci_sh; /* Bus handle for registers */ 729 /* PIO versions of above. */ 730 struct resource * pci_pio_reg; 731 bus_space_tag_t pci_pio_st; 732 bus_space_handle_t pci_pio_sh; 733 734 bus_dma_tag_t parent_dmat; /* DMA tag for parent PCI bus */ 735 bus_dma_tag_t reply_dmat; /* DMA tag for reply memory */ 736 bus_dmamap_t reply_dmap; /* DMA map for reply memory */ 737 uint8_t *reply; /* KVA of reply memory */ 738 bus_addr_t reply_phys; /* BusAddr of reply memory */ 739 740 bus_dma_tag_t buffer_dmat; /* DMA tag for buffers */ 741 bus_dma_tag_t request_dmat; /* DMA tag for request memroy */ 742 bus_dmamap_t request_dmap; /* DMA map for request memroy */ 743 uint8_t *request; /* KVA of Request memory */ 744 bus_addr_t request_phys; /* BusAddr of request memory */ 745 746 uint32_t max_seg_cnt; /* calculated after IOC facts */ 747 uint32_t max_cam_seg_cnt;/* calculated from MAXPHYS*/ 748 749 /* 750 * Hardware management 751 */ 752 u_int reset_cnt; 753 754 /* 755 * CAM && Software Management 756 */ 757 request_t *request_pool; 758 struct req_queue request_free_list; 759 struct req_queue request_pending_list; 760 struct req_queue request_timeout_list; 761 762 763 struct cam_sim *sim; 764 struct cam_path *path; 765 766 struct cam_sim *phydisk_sim; 767 struct cam_path *phydisk_path; 768 769 struct proc *recovery_thread; 770 request_t *tmf_req; 771 772 /* 773 * Deferred frame acks due to resource shortage. 774 */ 775 struct mpt_evtf_list ack_frames; 776 777 /* 778 * Target Mode Support 779 */ 780 uint32_t scsi_tgt_handler_id; 781 request_t ** tgt_cmd_ptrs; 782 request_t ** els_cmd_ptrs; /* FC only */ 783 784 /* 785 * *snork*- this is chosen to be here *just in case* somebody 786 * forgets to point to it exactly and we index off of trt with 787 * CAM_LUN_WILDCARD. 788 */ 789 tgt_resource_t trt_wildcard; /* wildcard luns */ 790 tgt_resource_t trt[MPT_MAX_LUNS]; 791 uint16_t tgt_cmds_allocated; 792 uint16_t els_cmds_allocated; /* FC only */ 793 794 uint16_t timeouts; /* timeout count */ 795 uint16_t success; /* successes afer timeout */ 796 uint16_t sequence; /* Sequence Number */ 797 uint16_t pad3; 798 799 800 /* Paired port in some dual adapters configurations */ 801 struct mpt_softc * mpt2; 802 803 /* FW Image management */ 804 uint32_t fw_image_size; 805 uint8_t *fw_image; 806 bus_dma_tag_t fw_dmat; /* DMA tag for firmware image */ 807 bus_dmamap_t fw_dmap; /* DMA map for firmware image */ 808 bus_addr_t fw_phys; /* BusAddr of firmware image */ 809 810 /* SAS Topology */ 811 struct mptsas_portinfo *sas_portinfo; 812 813 /* Shutdown Event Handler. */ 814 eventhandler_tag eh; 815 816 /* Userland management interface. */ 817 struct cdev *cdev; 818 819 TAILQ_ENTRY(mpt_softc) links; 820 }; 821 822 static __inline void mpt_assign_serno(struct mpt_softc *, request_t *); 823 824 static __inline void 825 mpt_assign_serno(struct mpt_softc *mpt, request_t *req) 826 { 827 if ((req->serno = mpt->sequence++) == 0) { 828 req->serno = mpt->sequence++; 829 } 830 } 831 832 /***************************** Locking Primitives *****************************/ 833 #if __FreeBSD_version < 500000 834 #define MPT_IFLAGS INTR_TYPE_CAM 835 #define MPT_LOCK(mpt) mpt_lockspl(mpt) 836 #define MPT_UNLOCK(mpt) mpt_unlockspl(mpt) 837 #define MPT_OWNED(mpt) mpt->mpt_islocked 838 #define MPT_LOCK_ASSERT(mpt) 839 #define MPTLOCK_2_CAMLOCK MPT_UNLOCK 840 #define CAMLOCK_2_MPTLOCK MPT_LOCK 841 #define MPT_LOCK_SETUP(mpt) 842 #define MPT_LOCK_DESTROY(mpt) 843 844 static __inline void mpt_lockspl(struct mpt_softc *mpt); 845 static __inline void mpt_unlockspl(struct mpt_softc *mpt); 846 847 static __inline void 848 mpt_lockspl(struct mpt_softc *mpt) 849 { 850 int s; 851 852 s = splcam(); 853 if (mpt->mpt_islocked++ == 0) { 854 mpt->mpt_splsaved = s; 855 } else { 856 splx(s); 857 panic("Recursed lock with mask: 0x%x", s); 858 } 859 } 860 861 static __inline void 862 mpt_unlockspl(struct mpt_softc *mpt) 863 { 864 if (mpt->mpt_islocked) { 865 if (--mpt->mpt_islocked == 0) { 866 splx(mpt->mpt_splsaved); 867 } 868 } else 869 panic("Negative lock count"); 870 } 871 872 static __inline int 873 mpt_sleep(struct mpt_softc *mpt, void *ident, int priority, 874 const char *wmesg, int timo) 875 { 876 int saved_cnt; 877 int saved_spl; 878 int error; 879 880 KASSERT(mpt->mpt_islocked <= 1, ("Invalid lock count on tsleep")); 881 saved_cnt = mpt->mpt_islocked; 882 saved_spl = mpt->mpt_splsaved; 883 mpt->mpt_islocked = 0; 884 error = tsleep(ident, priority, wmesg, timo); 885 KASSERT(mpt->mpt_islocked == 0, ("Invalid lock count on wakeup")); 886 mpt->mpt_islocked = saved_cnt; 887 mpt->mpt_splsaved = saved_spl; 888 return (error); 889 } 890 891 #define mpt_req_timeout(req, ticks, func, arg) \ 892 callout_reset(&(req)->callout, (ticks), (func), (arg)); 893 #define mpt_req_untimeout(req, func, arg) \ 894 callout_stop(&(req)->callout) 895 #define mpt_callout_init(mpt, c) \ 896 callout_init(c) 897 #define mpt_callout_drain(mpt, c) \ 898 callout_stop(c) 899 900 #else 901 #if 1 902 #define MPT_IFLAGS INTR_TYPE_CAM | INTR_ENTROPY | INTR_MPSAFE 903 #define MPT_LOCK_SETUP(mpt) \ 904 mtx_init(&mpt->mpt_lock, "mpt", NULL, MTX_DEF); \ 905 mpt->mpt_locksetup = 1 906 #define MPT_LOCK_DESTROY(mpt) \ 907 if (mpt->mpt_locksetup) { \ 908 mtx_destroy(&mpt->mpt_lock); \ 909 mpt->mpt_locksetup = 0; \ 910 } 911 912 #define MPT_LOCK(mpt) mtx_lock(&(mpt)->mpt_lock) 913 #define MPT_UNLOCK(mpt) mtx_unlock(&(mpt)->mpt_lock) 914 #define MPT_OWNED(mpt) mtx_owned(&(mpt)->mpt_lock) 915 #define MPT_LOCK_ASSERT(mpt) mtx_assert(&(mpt)->mpt_lock, MA_OWNED) 916 #define MPTLOCK_2_CAMLOCK(mpt) 917 #define CAMLOCK_2_MPTLOCK(mpt) 918 #define mpt_sleep(mpt, ident, priority, wmesg, timo) \ 919 msleep(ident, &(mpt)->mpt_lock, priority, wmesg, timo) 920 #define mpt_req_timeout(req, ticks, func, arg) \ 921 callout_reset(&(req)->callout, (ticks), (func), (arg)) 922 #define mpt_req_untimeout(req, func, arg) \ 923 callout_stop(&(req)->callout) 924 #define mpt_callout_init(mpt, c) \ 925 callout_init_mtx(c, &(mpt)->mpt_lock, 0) 926 #define mpt_callout_drain(mpt, c) \ 927 callout_drain(c) 928 929 #else 930 931 #define MPT_IFLAGS INTR_TYPE_CAM | INTR_ENTROPY 932 #define MPT_LOCK_SETUP(mpt) do { } while (0) 933 #define MPT_LOCK_DESTROY(mpt) do { } while (0) 934 #define MPT_LOCK_ASSERT(mpt) mtx_assert(&Giant, MA_OWNED) 935 #define MPT_LOCK(mpt) mtx_lock(&Giant) 936 #define MPT_UNLOCK(mpt) mtx_unlock(&Giant) 937 #define MPTLOCK_2_CAMLOCK(mpt) 938 #define CAMLOCK_2_MPTLOCK(mpt) 939 940 #define mpt_req_timeout(req, ticks, func, arg) \ 941 callout_reset(&(req)->callout, (ticks), (func), (arg)) 942 #define mpt_req_untimeout(req, func, arg) \ 943 callout_stop(&(req)->callout) 944 #define mpt_callout_init(mpt, c) \ 945 callout_init(c, 0) 946 #define mpt_callout_drain(mpt, c) \ 947 callout_drain(c) 948 949 static __inline int 950 mpt_sleep(struct mpt_softc *, void *, int, const char *, int); 951 952 static __inline int 953 mpt_sleep(struct mpt_softc *mpt, void *i, int p, const char *w, int t) 954 { 955 int r; 956 r = tsleep(i, p, w, t); 957 return (r); 958 } 959 #endif 960 #endif 961 962 /******************************* Register Access ******************************/ 963 static __inline void mpt_write(struct mpt_softc *, size_t, uint32_t); 964 static __inline uint32_t mpt_read(struct mpt_softc *, int); 965 static __inline void mpt_pio_write(struct mpt_softc *, size_t, uint32_t); 966 static __inline uint32_t mpt_pio_read(struct mpt_softc *, int); 967 968 static __inline void 969 mpt_write(struct mpt_softc *mpt, size_t offset, uint32_t val) 970 { 971 bus_space_write_4(mpt->pci_st, mpt->pci_sh, offset, val); 972 } 973 974 static __inline uint32_t 975 mpt_read(struct mpt_softc *mpt, int offset) 976 { 977 return (bus_space_read_4(mpt->pci_st, mpt->pci_sh, offset)); 978 } 979 980 /* 981 * Some operations (e.g. diagnostic register writes while the ARM proccessor 982 * is disabled), must be performed using "PCI pio" operations. On non-PCI 983 * busses, these operations likely map to normal register accesses. 984 */ 985 static __inline void 986 mpt_pio_write(struct mpt_softc *mpt, size_t offset, uint32_t val) 987 { 988 KASSERT(mpt->pci_pio_reg != NULL, ("no PIO resource")); 989 bus_space_write_4(mpt->pci_pio_st, mpt->pci_pio_sh, offset, val); 990 } 991 992 static __inline uint32_t 993 mpt_pio_read(struct mpt_softc *mpt, int offset) 994 { 995 KASSERT(mpt->pci_pio_reg != NULL, ("no PIO resource")); 996 return (bus_space_read_4(mpt->pci_pio_st, mpt->pci_pio_sh, offset)); 997 } 998 /*********************** Reply Frame/Request Management ***********************/ 999 /* Max MPT Reply we are willing to accept (must be power of 2) */ 1000 #define MPT_REPLY_SIZE 256 1001 1002 /* 1003 * Must be less than 16384 in order for target mode to work 1004 */ 1005 #define MPT_MAX_REQUESTS(mpt) 512 1006 #define MPT_REQUEST_AREA 512 1007 #define MPT_SENSE_SIZE 32 /* included in MPT_REQUEST_AREA */ 1008 #define MPT_REQ_MEM_SIZE(mpt) (MPT_MAX_REQUESTS(mpt) * MPT_REQUEST_AREA) 1009 1010 #define MPT_CONTEXT_CB_SHIFT (16) 1011 #define MPT_CBI(handle) (handle >> MPT_CONTEXT_CB_SHIFT) 1012 #define MPT_CBI_TO_HID(cbi) ((cbi) << MPT_CONTEXT_CB_SHIFT) 1013 #define MPT_CONTEXT_TO_CBI(x) \ 1014 (((x) >> MPT_CONTEXT_CB_SHIFT) & (MPT_NUM_REPLY_HANDLERS - 1)) 1015 #define MPT_CONTEXT_REQI_MASK 0xFFFF 1016 #define MPT_CONTEXT_TO_REQI(x) ((x) & MPT_CONTEXT_REQI_MASK) 1017 1018 /* 1019 * Convert a 32bit physical address returned from IOC to an 1020 * offset into our reply frame memory or the kvm address needed 1021 * to access the data. The returned address is only the low 1022 * 32 bits, so mask our base physical address accordingly. 1023 */ 1024 #define MPT_REPLY_BADDR(x) \ 1025 (x << 1) 1026 #define MPT_REPLY_OTOV(m, i) \ 1027 ((void *)(&m->reply[i])) 1028 1029 #define MPT_DUMP_REPLY_FRAME(mpt, reply_frame) \ 1030 do { \ 1031 if (mpt->verbose > MPT_PRT_DEBUG) \ 1032 mpt_dump_reply_frame(mpt, reply_frame); \ 1033 } while(0) 1034 1035 static __inline uint32_t mpt_pop_reply_queue(struct mpt_softc *mpt); 1036 static __inline void mpt_free_reply(struct mpt_softc *mpt, uint32_t ptr); 1037 1038 /* 1039 * Give the reply buffer back to the IOC after we have 1040 * finished processing it. 1041 */ 1042 static __inline void 1043 mpt_free_reply(struct mpt_softc *mpt, uint32_t ptr) 1044 { 1045 mpt_write(mpt, MPT_OFFSET_REPLY_Q, ptr); 1046 } 1047 1048 /* Get a reply from the IOC */ 1049 static __inline uint32_t 1050 mpt_pop_reply_queue(struct mpt_softc *mpt) 1051 { 1052 return mpt_read(mpt, MPT_OFFSET_REPLY_Q); 1053 } 1054 1055 void 1056 mpt_complete_request_chain(struct mpt_softc *, struct req_queue *, u_int); 1057 1058 /************************** Scatter Gather Management **************************/ 1059 /* MPT_RQSL- size of request frame, in bytes */ 1060 #define MPT_RQSL(mpt) (mpt->ioc_facts.RequestFrameSize << 2) 1061 1062 /* MPT_NSGL- how many SG entries can fit in a request frame size */ 1063 #define MPT_NSGL(mpt) (MPT_RQSL(mpt) / sizeof (SGE_IO_UNION)) 1064 1065 /* MPT_NRFM- how many request frames can fit in each request alloc we make */ 1066 #define MPT_NRFM(mpt) (MPT_REQUEST_AREA / MPT_RQSL(mpt)) 1067 1068 /* 1069 * MPT_NSGL_FIRST- # of SG elements that can fit after 1070 * an I/O request but still within the request frame. 1071 * Do this safely based upon SGE_IO_UNION. 1072 * 1073 * Note that the first element is *within* the SCSI request. 1074 */ 1075 #define MPT_NSGL_FIRST(mpt) \ 1076 ((MPT_RQSL(mpt) - sizeof (MSG_SCSI_IO_REQUEST) + sizeof (SGE_IO_UNION)) / \ 1077 sizeof (SGE_IO_UNION)) 1078 1079 /***************************** IOC Initialization *****************************/ 1080 int mpt_reset(struct mpt_softc *, int /*reinit*/); 1081 1082 /****************************** Debugging ************************************/ 1083 void mpt_dump_data(struct mpt_softc *, const char *, void *, int); 1084 void mpt_dump_request(struct mpt_softc *, request_t *); 1085 1086 enum { 1087 MPT_PRT_ALWAYS, 1088 MPT_PRT_FATAL, 1089 MPT_PRT_ERROR, 1090 MPT_PRT_WARN, 1091 MPT_PRT_INFO, 1092 MPT_PRT_NEGOTIATION, 1093 MPT_PRT_DEBUG, 1094 MPT_PRT_DEBUG1, 1095 MPT_PRT_DEBUG2, 1096 MPT_PRT_DEBUG3, 1097 MPT_PRT_TRACE, 1098 MPT_PRT_NONE=100 1099 }; 1100 1101 #if __FreeBSD_version > 500000 1102 #define mpt_lprt(mpt, level, ...) \ 1103 do { \ 1104 if (level <= (mpt)->verbose) \ 1105 mpt_prt(mpt, __VA_ARGS__); \ 1106 } while (0) 1107 1108 #if 0 1109 #define mpt_lprtc(mpt, level, ...) \ 1110 do { \ 1111 if (level <= (mpt)->verbose) \ 1112 mpt_prtc(mpt, __VA_ARGS__); \ 1113 } while (0) 1114 #endif 1115 #else 1116 void mpt_lprt(struct mpt_softc *, int, const char *, ...) 1117 __printflike(3, 4); 1118 #if 0 1119 void mpt_lprtc(struct mpt_softc *, int, const char *, ...) 1120 __printflike(3, 4); 1121 #endif 1122 #endif 1123 void mpt_prt(struct mpt_softc *, const char *, ...) 1124 __printflike(2, 3); 1125 void mpt_prtc(struct mpt_softc *, const char *, ...) 1126 __printflike(2, 3); 1127 1128 /**************************** Target Mode Related ***************************/ 1129 static __inline int mpt_cdblen(uint8_t, int); 1130 static __inline int 1131 mpt_cdblen(uint8_t cdb0, int maxlen) 1132 { 1133 int group = cdb0 >> 5; 1134 switch (group) { 1135 case 0: 1136 return (6); 1137 case 1: 1138 return (10); 1139 case 4: 1140 case 5: 1141 return (12); 1142 default: 1143 return (16); 1144 } 1145 } 1146 #ifdef INVARIANTS 1147 static __inline request_t * mpt_tag_2_req(struct mpt_softc *, uint32_t); 1148 static __inline request_t * 1149 mpt_tag_2_req(struct mpt_softc *mpt, uint32_t tag) 1150 { 1151 uint16_t rtg = (tag >> 18); 1152 KASSERT(rtg < mpt->tgt_cmds_allocated, ("bad tag %d", tag)); 1153 KASSERT(mpt->tgt_cmd_ptrs, ("no cmd backpointer array")); 1154 KASSERT(mpt->tgt_cmd_ptrs[rtg], ("no cmd backpointer")); 1155 return (mpt->tgt_cmd_ptrs[rtg]); 1156 } 1157 #endif 1158 1159 static __inline int 1160 mpt_req_on_free_list(struct mpt_softc *, request_t *); 1161 static __inline int 1162 mpt_req_on_pending_list(struct mpt_softc *, request_t *); 1163 1164 /* 1165 * Is request on freelist? 1166 */ 1167 static __inline int 1168 mpt_req_on_free_list(struct mpt_softc *mpt, request_t *req) 1169 { 1170 request_t *lrq; 1171 1172 TAILQ_FOREACH(lrq, &mpt->request_free_list, links) { 1173 if (lrq == req) { 1174 return (1); 1175 } 1176 } 1177 return (0); 1178 } 1179 1180 /* 1181 * Is request on pending list? 1182 */ 1183 static __inline int 1184 mpt_req_on_pending_list(struct mpt_softc *mpt, request_t *req) 1185 { 1186 request_t *lrq; 1187 1188 TAILQ_FOREACH(lrq, &mpt->request_pending_list, links) { 1189 if (lrq == req) { 1190 return (1); 1191 } 1192 } 1193 return (0); 1194 } 1195 1196 #ifdef INVARIANTS 1197 static __inline void 1198 mpt_req_spcl(struct mpt_softc *, request_t *, const char *, int); 1199 static __inline void 1200 mpt_req_not_spcl(struct mpt_softc *, request_t *, const char *, int); 1201 1202 /* 1203 * Make sure that req *is* part of one of the special lists 1204 */ 1205 static __inline void 1206 mpt_req_spcl(struct mpt_softc *mpt, request_t *req, const char *s, int line) 1207 { 1208 int i; 1209 for (i = 0; i < mpt->els_cmds_allocated; i++) { 1210 if (req == mpt->els_cmd_ptrs[i]) { 1211 return; 1212 } 1213 } 1214 for (i = 0; i < mpt->tgt_cmds_allocated; i++) { 1215 if (req == mpt->tgt_cmd_ptrs[i]) { 1216 return; 1217 } 1218 } 1219 panic("%s(%d): req %p:%u function %x not in els or tgt ptrs", 1220 s, line, req, req->serno, 1221 ((PTR_MSG_REQUEST_HEADER)req->req_vbuf)->Function); 1222 } 1223 1224 /* 1225 * Make sure that req is *not* part of one of the special lists. 1226 */ 1227 static __inline void 1228 mpt_req_not_spcl(struct mpt_softc *mpt, request_t *req, const char *s, int line) 1229 { 1230 int i; 1231 for (i = 0; i < mpt->els_cmds_allocated; i++) { 1232 KASSERT(req != mpt->els_cmd_ptrs[i], 1233 ("%s(%d): req %p:%u func %x in els ptrs at ioindex %d", 1234 s, line, req, req->serno, 1235 ((PTR_MSG_REQUEST_HEADER)req->req_vbuf)->Function, i)); 1236 } 1237 for (i = 0; i < mpt->tgt_cmds_allocated; i++) { 1238 KASSERT(req != mpt->tgt_cmd_ptrs[i], 1239 ("%s(%d): req %p:%u func %x in tgt ptrs at ioindex %d", 1240 s, line, req, req->serno, 1241 ((PTR_MSG_REQUEST_HEADER)req->req_vbuf)->Function, i)); 1242 } 1243 } 1244 #endif 1245 1246 /* 1247 * Task Management Types, purely for internal consumption 1248 */ 1249 typedef enum { 1250 MPT_ABORT_TASK_SET=1234, 1251 MPT_CLEAR_TASK_SET, 1252 MPT_TARGET_RESET, 1253 MPT_CLEAR_ACA, 1254 MPT_TERMINATE_TASK, 1255 MPT_NIL_TMT_VALUE=5678 1256 } mpt_task_mgmt_t; 1257 1258 /**************************** Unclassified Routines ***************************/ 1259 void mpt_send_cmd(struct mpt_softc *mpt, request_t *req); 1260 int mpt_recv_handshake_reply(struct mpt_softc *mpt, 1261 size_t reply_len, void *reply); 1262 int mpt_wait_req(struct mpt_softc *mpt, request_t *req, 1263 mpt_req_state_t state, mpt_req_state_t mask, 1264 int sleep_ok, int time_ms); 1265 void mpt_enable_ints(struct mpt_softc *mpt); 1266 void mpt_disable_ints(struct mpt_softc *mpt); 1267 int mpt_attach(struct mpt_softc *mpt); 1268 int mpt_shutdown(struct mpt_softc *mpt); 1269 int mpt_detach(struct mpt_softc *mpt); 1270 int mpt_send_handshake_cmd(struct mpt_softc *mpt, 1271 size_t len, void *cmd); 1272 request_t * mpt_get_request(struct mpt_softc *mpt, int sleep_ok); 1273 void mpt_free_request(struct mpt_softc *mpt, request_t *req); 1274 void mpt_intr(void *arg); 1275 void mpt_check_doorbell(struct mpt_softc *mpt); 1276 void mpt_dump_reply_frame(struct mpt_softc *mpt, 1277 MSG_DEFAULT_REPLY *reply_frame); 1278 1279 int mpt_issue_cfg_req(struct mpt_softc */*mpt*/, request_t */*req*/, 1280 cfgparms_t *params, 1281 bus_addr_t /*addr*/, bus_size_t/*len*/, 1282 int /*sleep_ok*/, int /*timeout_ms*/); 1283 int mpt_read_extcfg_header(struct mpt_softc *mpt, int PageVersion, 1284 int PageNumber, uint32_t PageAddress, 1285 int ExtPageType, 1286 CONFIG_EXTENDED_PAGE_HEADER *rslt, 1287 int sleep_ok, int timeout_ms); 1288 int mpt_read_extcfg_page(struct mpt_softc *mpt, int Action, 1289 uint32_t PageAddress, 1290 CONFIG_EXTENDED_PAGE_HEADER *hdr, 1291 void *buf, size_t len, int sleep_ok, 1292 int timeout_ms); 1293 int mpt_read_cfg_header(struct mpt_softc *, int /*PageType*/, 1294 int /*PageNumber*/, 1295 uint32_t /*PageAddress*/, 1296 CONFIG_PAGE_HEADER *, 1297 int /*sleep_ok*/, int /*timeout_ms*/); 1298 int mpt_read_cfg_page(struct mpt_softc *t, int /*Action*/, 1299 uint32_t /*PageAddress*/, 1300 CONFIG_PAGE_HEADER *, size_t /*len*/, 1301 int /*sleep_ok*/, int /*timeout_ms*/); 1302 int mpt_write_cfg_page(struct mpt_softc *, int /*Action*/, 1303 uint32_t /*PageAddress*/, 1304 CONFIG_PAGE_HEADER *, size_t /*len*/, 1305 int /*sleep_ok*/, int /*timeout_ms*/); 1306 static __inline int 1307 mpt_read_cur_cfg_page(struct mpt_softc *mpt, uint32_t PageAddress, 1308 CONFIG_PAGE_HEADER *hdr, size_t len, 1309 int sleep_ok, int timeout_ms) 1310 { 1311 return (mpt_read_cfg_page(mpt, MPI_CONFIG_ACTION_PAGE_READ_CURRENT, 1312 PageAddress, hdr, len, sleep_ok, timeout_ms)); 1313 } 1314 1315 static __inline int 1316 mpt_write_cur_cfg_page(struct mpt_softc *mpt, uint32_t PageAddress, 1317 CONFIG_PAGE_HEADER *hdr, size_t len, int sleep_ok, 1318 int timeout_ms) 1319 { 1320 return (mpt_write_cfg_page(mpt, MPI_CONFIG_ACTION_PAGE_WRITE_CURRENT, 1321 PageAddress, hdr, len, sleep_ok, 1322 timeout_ms)); 1323 } 1324 /* mpt_debug.c functions */ 1325 void mpt_print_reply(void *vmsg); 1326 void mpt_print_db(uint32_t mb); 1327 void mpt_print_config_reply(void *vmsg); 1328 char *mpt_ioc_diag(uint32_t diag); 1329 void mpt_req_state(mpt_req_state_t state); 1330 void mpt_print_config_request(void *vmsg); 1331 void mpt_print_request(void *vmsg); 1332 void mpt_dump_sgl(SGE_IO_UNION *se, int offset); 1333 #endif /* _MPT_H_ */ 1334