1 /* $NetBSD: scsipiconf.h,v 1.60 2001/09/27 18:07:51 mjacob Exp $ */ 2 3 /*- 4 * Copyright (c) 1998, 1999, 2000 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Charles M. Hannum; by Jason R. Thorpe of the Numerical Aerospace 9 * Simulation Facility, NASA Ames Research Center. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. All advertising materials mentioning features or use of this software 20 * must display the following acknowledgement: 21 * This product includes software developed by the NetBSD 22 * Foundation, Inc. and its contributors. 23 * 4. Neither the name of The NetBSD Foundation nor the names of its 24 * contributors may be used to endorse or promote products derived 25 * from this software without specific prior written permission. 26 * 27 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 28 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 29 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 30 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 31 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 37 * POSSIBILITY OF SUCH DAMAGE. 38 */ 39 40 /* 41 * Originally written by Julian Elischer (julian@tfs.com) 42 * for TRW Financial Systems for use under the MACH(2.5) operating system. 43 * 44 * TRW Financial Systems, in accordance with their agreement with Carnegie 45 * Mellon University, makes this software available to CMU to distribute 46 * or use in any manner that they see fit as long as this message is kept with 47 * the software. For this reason TFS also grants any other persons or 48 * organisations permission to use or modify this software. 49 * 50 * TFS supplies this software to be publicly redistributed 51 * on the understanding that TFS is not responsible for the correct 52 * functioning of this software in any circumstances. 53 * 54 * Ported to run under 386BSD by Julian Elischer (julian@tfs.com) Sept 1992 55 */ 56 57 #ifndef _DEV_SCSIPI_SCSIPICONF_H_ 58 #define _DEV_SCSIPI_SCSIPICONF_H_ 59 60 typedef int boolean; 61 62 #include <sys/callout.h> 63 #include <sys/queue.h> 64 #include <dev/scsipi/scsipi_debug.h> 65 66 struct buf; 67 struct proc; 68 struct device; 69 struct scsipi_channel; 70 struct scsipi_periph; 71 struct scsipi_xfer; 72 73 /* 74 * The following defines the scsipi_xfer queue. 75 */ 76 TAILQ_HEAD(scsipi_xfer_queue, scsipi_xfer); 77 78 struct scsipi_generic { 79 u_int8_t opcode; 80 u_int8_t bytes[15]; 81 }; 82 83 84 /* 85 * scsipi_async_event_t: 86 * 87 * Asynchronous events from the adapter to the mid-layer and 88 * peripherial. 89 * 90 * Arguments: 91 * 92 * ASYNC_EVENT_MAX_OPENINGS scsipi_max_openings * -- max 93 * openings, device specified in 94 * parameters 95 * 96 * ASYNC_EVENT_XFER_MODE scsipi_xfer_mode * -- xfer mode 97 * parameters changed for I_T Nexus 98 * ASYNC_EVENT_RESET NULL - channel has been reset 99 */ 100 typedef enum { 101 ASYNC_EVENT_MAX_OPENINGS, /* set max openings on periph */ 102 ASYNC_EVENT_XFER_MODE, /* xfer mode update for I_T */ 103 ASYNC_EVENT_RESET /* channel reset */ 104 } scsipi_async_event_t; 105 106 /* 107 * scsipi_max_openings: 108 * 109 * Argument for an ASYNC_EVENT_MAX_OPENINGS event. 110 */ 111 struct scsipi_max_openings { 112 int mo_target; /* openings are for this target... */ 113 int mo_lun; /* ...and this lun */ 114 int mo_openings; /* openings value */ 115 }; 116 117 /* 118 * scsipi_xfer_mode: 119 * 120 * Argument for an ASYNC_EVENT_XFER_MODE event. 121 */ 122 struct scsipi_xfer_mode { 123 int xm_target; /* target, for I_T Nexus */ 124 int xm_mode; /* PERIPH_CAP* bits */ 125 int xm_period; /* sync period */ 126 int xm_offset; /* sync offset */ 127 }; 128 129 130 /* 131 * scsipi_adapter_req_t: 132 * 133 * Requests that can be made of an adapter. 134 * 135 * Arguments: 136 * 137 * ADAPTER_REQ_RUN_XFER scsipi_xfer * -- the xfer which 138 * is to be run 139 * 140 * ADAPTER_REQ_GROW_RESOURCES no argument 141 * 142 * ADAPTER_REQ_SET_XFER_MODE scsipi_xfer_mode * -- set the xfer 143 * mode for the I_T Nexus according to 144 * this 145 */ 146 typedef enum { 147 ADAPTER_REQ_RUN_XFER, /* run a scsipi_xfer */ 148 ADAPTER_REQ_GROW_RESOURCES, /* grow xfer execution resources */ 149 ADAPTER_REQ_SET_XFER_MODE /* set xfer mode */ 150 } scsipi_adapter_req_t; 151 152 153 /* 154 * scsipi_periphsw: 155 * 156 * Callbacks into periph driver from midlayer. 157 * 158 * psw_error Called by the bustype's interpret-sense routine 159 * to do periph-specific sense handling. 160 * 161 * psw_start Called by midlayer to restart a device once 162 * more command openings become available. 163 * 164 * psw_async Called by midlayer when an asynchronous event 165 * from the adapter occurs. 166 * 167 * psw_done Called by the midlayer when an xfer has completed. 168 */ 169 struct scsipi_periphsw { 170 int (*psw_error) __P((struct scsipi_xfer *)); 171 void (*psw_start) __P((struct scsipi_periph *)); 172 int (*psw_async) __P((struct scsipi_periph *, 173 scsipi_async_event_t, void *)); 174 void (*psw_done) __P((struct scsipi_xfer *)); 175 }; 176 177 struct disk_parms; 178 struct scsipi_inquiry_pattern; 179 180 /* 181 * scsipi_adapter: 182 * 183 * This structure describes an instance of a SCSIPI adapter. 184 * 185 * Note that `adapt_openings' is used by (the common case of) adapters 186 * which have per-adapter resources. If an adapter's command resources 187 * are associated with a channel, the the `chan_openings' below will 188 * be used instead. 189 * 190 * Note that all adapter entry points take a pointer to a channel, 191 * as an adapter may have more than one channel, and the channel 192 * structure contains the channel number. 193 */ 194 struct scsipi_adapter { 195 struct device *adapt_dev; /* pointer to adapter's device */ 196 int adapt_nchannels; /* numnber of adapter channels */ 197 int adapt_refcnt; /* adapter's reference count */ 198 int adapt_openings; /* total # of command openings */ 199 int adapt_max_periph; /* max openings per periph */ 200 int adapt_flags; 201 202 void (*adapt_request) __P((struct scsipi_channel *, 203 scsipi_adapter_req_t, void *)); 204 void (*adapt_minphys) __P((struct buf *)); 205 int (*adapt_ioctl) __P((struct scsipi_channel *, u_long, 206 caddr_t, int, struct proc *)); 207 int (*adapt_enable) __P((struct device *, int)); 208 int (*adapt_getgeom) __P((struct scsipi_periph *, 209 struct disk_parms *, u_long)); 210 int (*adapt_accesschk) __P((struct scsipi_periph *, 211 struct scsipi_inquiry_pattern *)); 212 }; 213 214 /* adapt_flags */ 215 #define SCSIPI_ADAPT_POLL_ONLY 0x01 /* Adaptor can't do interrupts. */ 216 217 #define scsipi_adapter_minphys(chan, bp) \ 218 (*(chan)->chan_adapter->adapt_minphys)((bp)) 219 220 #define scsipi_adapter_request(chan, req, arg) \ 221 (*(chan)->chan_adapter->adapt_request)((chan), (req), (arg)) 222 223 #define scsipi_adapter_ioctl(chan, cmd, data, flag, p) \ 224 (*(chan)->chan_adapter->adapt_ioctl)((chan), (cmd), (data), (flag), (p)) 225 226 #define scsipi_adapter_enable(chan, enable) \ 227 (*(chan)->chan_adapt->adapt_enable)((chan), (enable)) 228 229 230 /* 231 * scsipi_bustype: 232 * 233 * This structure describes a SCSIPI bus type. 234 */ 235 struct scsipi_bustype { 236 int bustype_type; /* symbolic name of type */ 237 238 int (*bustype_cmd) __P((struct scsipi_periph *, 239 struct scsipi_generic *, int, void *, size_t, int, 240 int, struct buf *, int)); 241 int (*bustype_interpret_sense) __P((struct scsipi_xfer *)); 242 void (*bustype_printaddr) __P((struct scsipi_periph *)); 243 void (*bustype_kill_pending) __P((struct scsipi_periph *)); 244 }; 245 246 /* bustype_type */ 247 #define SCSIPI_BUSTYPE_SCSI 0 248 #define SCSIPI_BUSTYPE_ATAPI 1 249 250 251 /* 252 * scsipi_channel: 253 * 254 * This structure describes a single channel of a SCSIPI adapter. 255 * An adapter may have one or more channels. See the comment above 256 * regarding the resource counter. 257 */ 258 struct scsipi_channel { 259 u_int8_t type; /* XXX will die, compat with ata_atapi_attach for umass */ 260 #define BUS_SCSI 0 261 #define BUS_ATAPI 1 262 /*define BUS_ATA 2*/ 263 264 struct scsipi_adapter *chan_adapter; /* pointer to our adapter */ 265 266 const struct scsipi_bustype *chan_bustype; /* channel's bus type */ 267 268 /* 269 * Periphs for this channel. 2-dimensional array is dynamically 270 * allocated. 271 * 272 * XXX Consider a different data structure to save space. 273 */ 274 struct scsipi_periph ***chan_periphs; 275 276 int chan_channel; /* channel number */ 277 int chan_flags; /* channel flags */ 278 int chan_openings; /* number of command openings */ 279 int chan_max_periph; /* max openings per periph */ 280 281 int chan_ntargets; /* number of targets */ 282 int chan_nluns; /* number of luns */ 283 int chan_id; /* adapter's ID for this channel */ 284 285 int chan_defquirks; /* default device's quirks */ 286 287 struct proc *chan_thread; /* completion thread */ 288 289 int chan_qfreeze; /* freeze count for queue */ 290 291 /* Job queue for this channel. */ 292 struct scsipi_xfer_queue chan_queue; 293 294 /* Completed (async) jobs. */ 295 struct scsipi_xfer_queue chan_complete; 296 297 /* callback we may have to call from completion thread */ 298 void (*chan_callback) __P((struct scsipi_channel *, void *)); 299 void *chan_callback_arg; 300 }; 301 302 /* chan_flags */ 303 #define SCSIPI_CHAN_SHUTDOWN 0x01 /* channel is shutting down */ 304 #define SCSIPI_CHAN_OPENINGS 0x02 /* use chan_openings */ 305 #define SCSIPI_CHAN_CANGROW 0x04 /* channel can grow resources */ 306 #define SCSIPI_CHAN_NOSETTLE 0x08 /* don't wait for devices to settle */ 307 #define SCSIPI_CHAN_CALLBACK 0x10 /* has to call chan_callback() */ 308 #define SCSIPI_CHAN_KICK 0x20 /* need to run queues */ 309 #define SCSIPI_CHAN_TACTIVE 0x40 /* completion thread is active */ 310 311 #define SCSIPI_CHAN_MAX_PERIPH(chan) \ 312 (((chan)->chan_flags & SCSIPI_CHAN_OPENINGS) ? \ 313 (chan)->chan_max_periph : (chan)->chan_adapter->adapt_max_periph) 314 315 316 #define scsipi_printaddr(periph) \ 317 (*(periph)->periph_channel->chan_bustype->bustype_printaddr)((periph)) 318 319 #define scsipi_periph_bustype(periph) \ 320 (periph)->periph_channel->chan_bustype->bustype_type 321 322 323 /* 324 * Number of tag words in a periph structure: 325 * 326 * n_tag_words = ((256 / NBBY) / sizeof(u_int32_t)) 327 */ 328 #define PERIPH_NTAGWORDS ((256 / 8) / sizeof(u_int32_t)) 329 330 331 /* 332 * scsipi_periph: 333 * 334 * This structure describes the path between a peripherial device 335 * and an adapter. It contains a pointer to the adapter channel 336 * which in turn contains a pointer to the adapter. 337 * 338 * XXX Given the way NetBSD's autoconfiguration works, this is ... 339 * XXX nasty. 340 * 341 * Well, it's a lot nicer than it used to be, but there could 342 * still be an improvement. 343 */ 344 struct scsipi_periph { 345 struct device *periph_dev; /* pointer to peripherial's device */ 346 struct scsipi_channel *periph_channel; /* channel we're connected to */ 347 348 const struct scsipi_periphsw *periph_switch; /* peripherial's entry 349 points */ 350 int periph_openings; /* max # of outstanding commands */ 351 int periph_active; /* current # of outstanding commands */ 352 int periph_sent; /* current # of commands sent to adapt*/ 353 354 int periph_mode; /* operation modes, CAP bits */ 355 int periph_period; /* sync period (factor) */ 356 int periph_offset; /* sync offset */ 357 358 /* 359 * Information gleaned from the inquiry data. 360 */ 361 u_int8_t periph_type; /* basic device type */ 362 int periph_cap; /* capabilities */ 363 int periph_quirks; /* device's quirks */ 364 365 int periph_flags; /* misc. flags */ 366 int periph_dbflags; /* debugging flags */ 367 368 int periph_target; /* target ID (drive # on ATAPI) */ 369 int periph_lun; /* LUN (not used on ATAPI) */ 370 371 int periph_version; /* ANSI SCSI version */ 372 373 int periph_qfreeze; /* queue freeze count */ 374 375 /* Bitmap of free command tags. */ 376 u_int32_t periph_freetags[PERIPH_NTAGWORDS]; 377 378 /* Pending scsipi_xfers on this peripherial. */ 379 struct scsipi_xfer_queue periph_xferq; 380 381 struct callout periph_callout; 382 383 /* xfer which has a pending CHECK_CONDITION */ 384 struct scsipi_xfer *periph_xscheck; 385 386 }; 387 388 /* 389 * Macro to return the current xfer mode of a periph. 390 */ 391 #define PERIPH_XFER_MODE(periph) \ 392 (((periph)->periph_flags & PERIPH_MODE_VALID) ? \ 393 (periph)->periph_mode : 0) 394 395 /* periph_cap */ 396 #define PERIPH_CAP_ANEC 0x0001 /* async event notification */ 397 #define PERIPH_CAP_TERMIOP 0x0002 /* terminate i/o proc. messages */ 398 #define PERIPH_CAP_RELADR 0x0004 /* relative addressing */ 399 #define PERIPH_CAP_WIDE32 0x0008 /* wide-32 transfers */ 400 #define PERIPH_CAP_WIDE16 0x0010 /* wide-16 transfers */ 401 /* XXX 0x0020 reserved for ATAPI_CFG_DRQ_MASK */ 402 /* XXX 0x0040 reserved for ATAPI_CFG_DRQ_MASK */ 403 #define PERIPH_CAP_SYNC 0x0080 /* synchronous transfers */ 404 #define PERIPH_CAP_LINKCMDS 0x0100 /* linked commands */ 405 #define PERIPH_CAP_TQING 0x0200 /* tagged queueing */ 406 #define PERIPH_CAP_SFTRESET 0x0400 /* soft RESET condition response */ 407 #define PERIPH_CAP_CMD16 0x0800 /* 16 byte commands (ATAPI) */ 408 409 /* periph_flags */ 410 #define PERIPH_REMOVABLE 0x0001 /* media is removable */ 411 #define PERIPH_MEDIA_LOADED 0x0002 /* media is loaded */ 412 #define PERIPH_WAITING 0x0004 /* process waiting for opening */ 413 #define PERIPH_OPEN 0x0008 /* device is open */ 414 #define PERIPH_WAITDRAIN 0x0010 /* waiting for pending xfers to drain */ 415 #define PERIPH_GROW_OPENINGS 0x0020 /* allow openings to grow */ 416 #define PERIPH_MODE_VALID 0x0040 /* periph_mode is valid */ 417 #define PERIPH_RECOVERING 0x0080 /* periph is recovering */ 418 #define PERIPH_RECOVERY_ACTIVE 0x0100 /* a recovery command is active */ 419 #define PERIPH_KEEP_LABEL 0x0200 /* retain label after 'full' close */ 420 #define PERIPH_SENSE 0x0400 /* periph has sense pending */ 421 #define PERIPH_UNTAG 0x0800 /* untagged command running */ 422 423 /* periph_quirks */ 424 #define PQUIRK_AUTOSAVE 0x00000001 /* do implicit SAVE POINTERS */ 425 #define PQUIRK_NOSYNC 0x00000002 /* does not grok SDTR */ 426 #define PQUIRK_NOWIDE 0x00000004 /* does not grok WDTR */ 427 #define PQUIRK_NOTAG 0x00000008 /* does not grok tagged cmds */ 428 #define PQUIRK_NOLUNS 0x00000010 /* DTWT with LUNs */ 429 #define PQUIRK_FORCELUNS 0x00000020 /* prehistoric device groks 430 LUNs */ 431 #define PQUIRK_NOMODESENSE 0x00000040 /* device doesn't do MODE SENSE 432 properly */ 433 #define PQUIRK_NOSTARTUNIT 0x00000080 /* do not issue START UNIT */ 434 #define PQUIRK_NOSYNCCACHE 0x00000100 /* do not issue SYNC CACHE */ 435 #define PQUIRK_CDROM 0x00000200 /* device is a CD-ROM, no 436 matter what else it claims */ 437 #define PQUIRK_LITTLETOC 0x00000400 /* audio TOC is little-endian */ 438 #define PQUIRK_NOCAPACITY 0x00000800 /* no READ CD CAPACITY */ 439 #define PQUIRK_NOTUR 0x00001000 /* no TEST UNIT READY */ 440 #define PQUIRK_NODOORLOCK 0x00002000 /* can't lock door */ 441 #define PQUIRK_NOSENSE 0x00004000 /* can't REQUEST SENSE */ 442 #define PQUIRK_ONLYBIG 0x00008000 /* only use SCSI_{R,W}_BIG */ 443 #define PQUIRK_BYTE5_ZERO 0x00010000 /* byte5 in capacity is wrong */ 444 #define PQUIRK_NO_FLEX_PAGE 0x00020000 /* does not support flex geom page */ 445 #define PQUIRK_NOBIGMODESENSE 0x00040000 /* has no big mode-sense op */ 446 447 448 /* 449 * Error values an adapter driver may return 450 */ 451 typedef enum { 452 XS_NOERROR, /* there is no error, (sense is invalid) */ 453 XS_SENSE, /* Check the returned sense for the error */ 454 XS_SHORTSENSE, /* Check the ATAPI sense for the error */ 455 XS_DRIVER_STUFFUP, /* Driver failed to perform operation */ 456 XS_RESOURCE_SHORTAGE, /* adapter resource shortage */ 457 XS_SELTIMEOUT, /* The device timed out.. turned off? */ 458 XS_TIMEOUT, /* The Timeout reported was caught by SW */ 459 XS_BUSY, /* The device busy, try again later? */ 460 XS_RESET, /* bus was reset; possible retry command */ 461 XS_REQUEUE /* requeue this command */ 462 } scsipi_xfer_result_t; 463 464 /* 465 * Each scsipi transaction is fully described by one of these structures 466 * It includes information about the source of the command and also the 467 * device and adapter for which the command is destined. 468 * 469 * Before the HBA is given this transaction, channel_q is the linkage on 470 * the related channel's chan_queue. 471 * 472 * When the this transaction is taken off the channel's chan_queue and 473 * the HBA's request entry point is called with this transaction, the 474 * HBA can use the channel_q tag for whatever it likes until it calls 475 * scsipi_done for this transaction, at which time it has to stop 476 * using channel_q. 477 * 478 * After scsipi_done is called with this transaction and if there was an 479 * error on it, channel_q then becomes the linkage on the related channel's 480 * chan_complete cqueue. 481 * 482 * The device_q member is maintained by the scsipi middle layer. When 483 * a device issues a command, the xfer is placed on that device's 484 * pending commands queue. When an xfer is done and freed, it is taken 485 * off the device's queue. This allows for a device to wait for all of 486 * its pending commands to complete. 487 */ 488 struct scsipi_xfer { 489 TAILQ_ENTRY(scsipi_xfer) channel_q; /* entry on channel queue */ 490 TAILQ_ENTRY(scsipi_xfer) device_q; /* device's pending xfers */ 491 struct callout xs_callout; /* callout for adapter use */ 492 int xs_control; /* control flags */ 493 __volatile int xs_status; /* status flags */ 494 struct scsipi_periph *xs_periph;/* peripherial doing the xfer */ 495 int xs_retries; /* the number of times to retry */ 496 int xs_requeuecnt; /* number of requeues */ 497 int timeout; /* in milliseconds */ 498 struct scsipi_generic *cmd; /* The scsipi command to execute */ 499 int cmdlen; /* how long it is */ 500 u_char *data; /* dma address OR a uio address */ 501 int datalen; /* data len (blank if uio) */ 502 int resid; /* how much buffer was not touched */ 503 scsipi_xfer_result_t error; /* an error value */ 504 struct buf *bp; /* If we need to associate with */ 505 /* a buf */ 506 union { 507 struct scsipi_sense_data scsi_sense; /* 32 bytes */ 508 u_int32_t atapi_sense; 509 } sense; 510 511 struct scsipi_xfer *xs_sensefor;/* we are requesting sense for this */ 512 /* xfer */ 513 514 u_int8_t status; /* SCSI status */ 515 516 /* 517 * Info for tagged command queueing. This may or may not 518 * be used by a given adapter driver. These are the same 519 * as the bytes in the tag message. 520 */ 521 u_int8_t xs_tag_type; /* tag type */ 522 u_int8_t xs_tag_id; /* tag ID */ 523 524 struct scsipi_generic cmdstore 525 __attribute__ ((aligned (4)));/* stash the command in here */ 526 }; 527 528 /* 529 * scsipi_xfer control flags 530 * 531 * To do: 532 * 533 * - figure out what to do with XS_CTL_ESCAPE 534 * 535 * - replace XS_CTL_URGENT with an `xs_priority' field? 536 */ 537 #define XS_CTL_NOSLEEP 0x00000001 /* don't sleep */ 538 #define XS_CTL_POLL 0x00000002 /* poll for completion */ 539 #define XS_CTL_DISCOVERY 0x00000004 /* doing device discovery */ 540 #define XS_CTL_ASYNC 0x00000008 /* command completes 541 asynchronously */ 542 #define XS_CTL_USERCMD 0x00000010 /* user issued command */ 543 #define XS_CTL_SILENT 0x00000020 /* don't print sense info */ 544 #define XS_CTL_IGNORE_NOT_READY 0x00000040 /* ignore NOT READY */ 545 #define XS_CTL_IGNORE_MEDIA_CHANGE \ 546 0x00000080 /* ignore media change */ 547 #define XS_CTL_IGNORE_ILLEGAL_REQUEST \ 548 0x00000100 /* ignore ILLEGAL REQUEST */ 549 #define XS_CTL_SILENT_NODEV 0x00000200 /* don't print sense info 550 if sense info is nodev */ 551 #define XS_CTL_RESET 0x00000400 /* reset the device */ 552 #define XS_CTL_DATA_UIO 0x00000800 /* xs_data points to uio */ 553 #define XS_CTL_DATA_IN 0x00001000 /* data coming into memory */ 554 #define XS_CTL_DATA_OUT 0x00002000 /* data going out of memory */ 555 #define XS_CTL_TARGET 0x00004000 /* target mode operation */ 556 #define XS_CTL_ESCAPE 0x00008000 /* escape operation */ 557 #define XS_CTL_URGENT 0x00010000 /* urgent (recovery) 558 operation */ 559 #define XS_CTL_SIMPLE_TAG 0x00020000 /* use a Simple Tag */ 560 #define XS_CTL_ORDERED_TAG 0x00040000 /* use an Ordered Tag */ 561 #define XS_CTL_HEAD_TAG 0x00080000 /* use a Head of Queue Tag */ 562 #define XS_CTL_THAW_PERIPH 0x00100000 /* thaw periph once enqueued */ 563 #define XS_CTL_FREEZE_PERIPH 0x00200000 /* freeze periph when done */ 564 #define XS_CTL_DATA_ONSTACK 0x00400000 /* data is alloc'ed on stack */ 565 #define XS_CTL_REQSENSE 0x00800000 /* xfer is a request sense */ 566 567 #define XS_CTL_TAGMASK (XS_CTL_SIMPLE_TAG|XS_CTL_ORDERED_TAG|XS_CTL_HEAD_TAG) 568 569 #define XS_CTL_TAGTYPE(xs) ((xs)->xs_control & XS_CTL_TAGMASK) 570 571 /* 572 * scsipi_xfer status flags 573 */ 574 #define XS_STS_DONE 0x00000001 /* scsipi_xfer is done */ 575 #define XS_STS_PRIVATE 0xf0000000 /* reserved for HBA's use */ 576 577 /* 578 * This describes matching information for scsipi_inqmatch(). The more things 579 * match, the higher the configuration priority. 580 */ 581 struct scsipi_inquiry_pattern { 582 u_int8_t type; 583 boolean removable; 584 char *vendor; 585 char *product; 586 char *revision; 587 }; 588 589 /* 590 * This is used to pass information from the high-level configuration code 591 * to the device-specific drivers. 592 */ 593 struct scsipibus_attach_args { 594 struct scsipi_periph *sa_periph; 595 struct scsipi_inquiry_pattern sa_inqbuf; 596 struct scsipi_inquiry_data *sa_inqptr; 597 union { /* bus-type specific infos */ 598 u_int8_t scsi_version; /* SCSI version */ 599 } scsipi_info; 600 }; 601 602 /* 603 * this describes a quirk entry 604 */ 605 struct scsi_quirk_inquiry_pattern { 606 struct scsipi_inquiry_pattern pattern; 607 int quirks; 608 }; 609 610 /* 611 * Default number of retries, used for generic routines. 612 */ 613 #define SCSIPIRETRIES 4 614 615 616 #ifdef _KERNEL 617 void scsipi_init __P((void)); 618 int scsipi_command __P((struct scsipi_periph *, 619 struct scsipi_generic *, int, u_char *, int, 620 int, int, struct buf *, int)); 621 void scsipi_create_completion_thread __P((void *)); 622 caddr_t scsipi_inqmatch __P((struct scsipi_inquiry_pattern *, caddr_t, 623 int, int, int *)); 624 char *scsipi_dtype __P((int)); 625 void scsipi_strvis __P((u_char *, int, u_char *, int)); 626 int scsipi_execute_xs __P((struct scsipi_xfer *)); 627 u_long scsipi_size __P((struct scsipi_periph *, int)); 628 int scsipi_test_unit_ready __P((struct scsipi_periph *, int)); 629 int scsipi_prevent __P((struct scsipi_periph *, int, int)); 630 int scsipi_inquire __P((struct scsipi_periph *, 631 struct scsipi_inquiry_data *, int)); 632 int scsipi_mode_select __P((struct scsipi_periph *, int, 633 struct scsipi_mode_header *, int, int, int, int)); 634 int scsipi_mode_select_big __P((struct scsipi_periph *, int, 635 struct scsipi_mode_header_big *, int, int, int, int)); 636 int scsipi_mode_sense __P((struct scsipi_periph *, int, int, 637 struct scsipi_mode_header *, int, int, int, int)); 638 int scsipi_mode_sense_big __P((struct scsipi_periph *, int, int, 639 struct scsipi_mode_header_big *, int, int, int, int)); 640 int scsipi_start __P((struct scsipi_periph *, int, int)); 641 void scsipi_done __P((struct scsipi_xfer *)); 642 void scsipi_user_done __P((struct scsipi_xfer *)); 643 int scsipi_interpret_sense __P((struct scsipi_xfer *)); 644 void scsipi_wait_drain __P((struct scsipi_periph *)); 645 void scsipi_kill_pending __P((struct scsipi_periph *)); 646 struct scsipi_periph *scsipi_alloc_periph __P((int)); 647 #ifdef SCSIVERBOSE 648 void scsipi_print_sense __P((struct scsipi_xfer *, int)); 649 void scsipi_print_sense_data __P((struct scsipi_sense_data *, int)); 650 char *scsipi_decode_sense __P((void *, int)); 651 #endif 652 int scsipi_thread_call_callback __P((struct scsipi_channel *, 653 void (*callback) __P((struct scsipi_channel *, void *)), 654 void *)); 655 void scsipi_async_event __P((struct scsipi_channel *, 656 scsipi_async_event_t, void *)); 657 int scsipi_do_ioctl __P((struct scsipi_periph *, dev_t, u_long, caddr_t, 658 int, struct proc *)); 659 660 void scsipi_print_xfer_mode __P((struct scsipi_periph *)); 661 void scsipi_set_xfer_mode __P((struct scsipi_channel *, int, int)); 662 663 int scsipi_channel_init __P((struct scsipi_channel *)); 664 void scsipi_channel_shutdown __P((struct scsipi_channel *)); 665 666 void scsipi_insert_periph __P((struct scsipi_channel *, 667 struct scsipi_periph *)); 668 void scsipi_remove_periph __P((struct scsipi_channel *, 669 struct scsipi_periph *)); 670 struct scsipi_periph *scsipi_lookup_periph __P((struct scsipi_channel *, 671 int, int)); 672 int scsipi_target_detach __P((struct scsipi_channel *, int, int, int)); 673 674 int scsipi_adapter_addref __P((struct scsipi_adapter *)); 675 void scsipi_adapter_delref __P((struct scsipi_adapter *)); 676 677 void scsipi_channel_freeze __P((struct scsipi_channel *, int)); 678 void scsipi_channel_thaw __P((struct scsipi_channel *, int)); 679 void scsipi_channel_timed_thaw __P((void *)); 680 681 void scsipi_periph_freeze __P((struct scsipi_periph *, int)); 682 void scsipi_periph_thaw __P((struct scsipi_periph *, int)); 683 void scsipi_periph_timed_thaw __P((void *)); 684 685 int scsipi_sync_period_to_factor __P((int)); 686 int scsipi_sync_factor_to_period __P((int)); 687 int scsipi_sync_factor_to_freq __P((int)); 688 689 void show_scsipi_xs __P((struct scsipi_xfer *)); 690 void show_scsipi_cmd __P((struct scsipi_xfer *)); 691 void show_mem __P((u_char *, int)); 692 #endif /* _KERNEL */ 693 694 static __inline void _lto2b __P((u_int32_t val, u_int8_t *bytes)) 695 __attribute__ ((unused)); 696 static __inline void _lto3b __P((u_int32_t val, u_int8_t *bytes)) 697 __attribute__ ((unused)); 698 static __inline void _lto4b __P((u_int32_t val, u_int8_t *bytes)) 699 __attribute__ ((unused)); 700 static __inline u_int32_t _2btol __P((const u_int8_t *bytes)) 701 __attribute__ ((unused)); 702 static __inline u_int32_t _3btol __P((const u_int8_t *bytes)) 703 __attribute__ ((unused)); 704 static __inline u_int32_t _4btol __P((const u_int8_t *bytes)) 705 __attribute__ ((unused)); 706 707 static __inline void _lto2l __P((u_int32_t val, u_int8_t *bytes)) 708 __attribute__ ((unused)); 709 static __inline void _lto3l __P((u_int32_t val, u_int8_t *bytes)) 710 __attribute__ ((unused)); 711 static __inline void _lto4l __P((u_int32_t val, u_int8_t *bytes)) 712 __attribute__ ((unused)); 713 static __inline u_int32_t _2ltol __P((const u_int8_t *bytes)) 714 __attribute__ ((unused)); 715 static __inline u_int32_t _3ltol __P((const u_int8_t *bytes)) 716 __attribute__ ((unused)); 717 static __inline u_int32_t _4ltol __P((const u_int8_t *bytes)) 718 __attribute__ ((unused)); 719 720 static __inline void 721 _lto2b(val, bytes) 722 u_int32_t val; 723 u_int8_t *bytes; 724 { 725 726 bytes[0] = (val >> 8) & 0xff; 727 bytes[1] = val & 0xff; 728 } 729 730 static __inline void 731 _lto3b(val, bytes) 732 u_int32_t val; 733 u_int8_t *bytes; 734 { 735 736 bytes[0] = (val >> 16) & 0xff; 737 bytes[1] = (val >> 8) & 0xff; 738 bytes[2] = val & 0xff; 739 } 740 741 static __inline void 742 _lto4b(val, bytes) 743 u_int32_t val; 744 u_int8_t *bytes; 745 { 746 747 bytes[0] = (val >> 24) & 0xff; 748 bytes[1] = (val >> 16) & 0xff; 749 bytes[2] = (val >> 8) & 0xff; 750 bytes[3] = val & 0xff; 751 } 752 753 static __inline u_int32_t 754 _2btol(bytes) 755 const u_int8_t *bytes; 756 { 757 u_int32_t rv; 758 759 rv = (bytes[0] << 8) | 760 bytes[1]; 761 return (rv); 762 } 763 764 static __inline u_int32_t 765 _3btol(bytes) 766 const u_int8_t *bytes; 767 { 768 u_int32_t rv; 769 770 rv = (bytes[0] << 16) | 771 (bytes[1] << 8) | 772 bytes[2]; 773 return (rv); 774 } 775 776 static __inline u_int32_t 777 _4btol(bytes) 778 const u_int8_t *bytes; 779 { 780 u_int32_t rv; 781 782 rv = (bytes[0] << 24) | 783 (bytes[1] << 16) | 784 (bytes[2] << 8) | 785 bytes[3]; 786 return (rv); 787 } 788 789 static __inline void 790 _lto2l(val, bytes) 791 u_int32_t val; 792 u_int8_t *bytes; 793 { 794 795 bytes[0] = val & 0xff; 796 bytes[1] = (val >> 8) & 0xff; 797 } 798 799 static __inline void 800 _lto3l(val, bytes) 801 u_int32_t val; 802 u_int8_t *bytes; 803 { 804 805 bytes[0] = val & 0xff; 806 bytes[1] = (val >> 8) & 0xff; 807 bytes[2] = (val >> 16) & 0xff; 808 } 809 810 static __inline void 811 _lto4l(val, bytes) 812 u_int32_t val; 813 u_int8_t *bytes; 814 { 815 816 bytes[0] = val & 0xff; 817 bytes[1] = (val >> 8) & 0xff; 818 bytes[2] = (val >> 16) & 0xff; 819 bytes[3] = (val >> 24) & 0xff; 820 } 821 822 static __inline u_int32_t 823 _2ltol(bytes) 824 const u_int8_t *bytes; 825 { 826 u_int32_t rv; 827 828 rv = bytes[0] | 829 (bytes[1] << 8); 830 return (rv); 831 } 832 833 static __inline u_int32_t 834 _3ltol(bytes) 835 const u_int8_t *bytes; 836 { 837 u_int32_t rv; 838 839 rv = bytes[0] | 840 (bytes[1] << 8) | 841 (bytes[2] << 16); 842 return (rv); 843 } 844 845 static __inline u_int32_t 846 _4ltol(bytes) 847 const u_int8_t *bytes; 848 { 849 u_int32_t rv; 850 851 rv = bytes[0] | 852 (bytes[1] << 8) | 853 (bytes[2] << 16) | 854 (bytes[3] << 24); 855 return (rv); 856 } 857 858 #endif /* _DEV_SCSIPI_SCSIPICONF_H_ */ 859