1 /* $OpenBSD: scsiconf.h,v 1.200 2020/10/14 23:40:33 krw Exp $ */ 2 /* $NetBSD: scsiconf.h,v 1.35 1997/04/02 02:29:38 mycroft Exp $ */ 3 4 /* 5 * Copyright (c) 1993, 1994, 1995 Charles Hannum. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by Charles Hannum. 18 * 4. The name of the author may not be used to endorse or promote products 19 * derived from this software without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 24 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 26 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 30 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 /* 34 * Originally written by Julian Elischer (julian@tfs.com) 35 * for TRW Financial Systems for use under the MACH(2.5) operating system. 36 * 37 * TRW Financial Systems, in accordance with their agreement with Carnegie 38 * Mellon University, makes this software available to CMU to distribute 39 * or use in any manner that they see fit as long as this message is kept with 40 * the software. For this reason TFS also grants any other persons or 41 * organisations permission to use or modify this software. 42 * 43 * TFS supplies this software to be publicly redistributed 44 * on the understanding that TFS is not responsible for the correct 45 * functioning of this software in any circumstances. 46 * 47 * Ported to run under 386BSD by Julian Elischer (julian@tfs.com) Sept 1992 48 */ 49 50 #ifndef _SCSI_SCSICONF_H 51 #define _SCSI_SCSICONF_H 52 53 #include <sys/queue.h> 54 #include <sys/timeout.h> 55 #include <sys/mutex.h> 56 57 static __inline void _lto2b(u_int32_t val, u_int8_t *bytes); 58 static __inline void _lto3b(u_int32_t val, u_int8_t *bytes); 59 static __inline void _lto4b(u_int32_t val, u_int8_t *bytes); 60 static __inline void _lto8b(u_int64_t val, u_int8_t *bytes); 61 static __inline u_int32_t _2btol(u_int8_t *bytes); 62 static __inline u_int32_t _3btol(u_int8_t *bytes); 63 static __inline u_int32_t _4btol(u_int8_t *bytes); 64 static __inline u_int64_t _5btol(u_int8_t *bytes); 65 static __inline u_int64_t _8btol(u_int8_t *bytes); 66 67 static __inline void 68 _lto2b(u_int32_t val, u_int8_t *bytes) 69 { 70 71 bytes[0] = (val >> 8) & 0xff; 72 bytes[1] = val & 0xff; 73 } 74 75 static __inline void 76 _lto3b(u_int32_t val, u_int8_t *bytes) 77 { 78 79 bytes[0] = (val >> 16) & 0xff; 80 bytes[1] = (val >> 8) & 0xff; 81 bytes[2] = val & 0xff; 82 } 83 84 static __inline void 85 _lto4b(u_int32_t val, u_int8_t *bytes) 86 { 87 88 bytes[0] = (val >> 24) & 0xff; 89 bytes[1] = (val >> 16) & 0xff; 90 bytes[2] = (val >> 8) & 0xff; 91 bytes[3] = val & 0xff; 92 } 93 94 static __inline void 95 _lto8b(u_int64_t val, u_int8_t *bytes) 96 { 97 98 bytes[0] = (val >> 56) & 0xff; 99 bytes[1] = (val >> 48) & 0xff; 100 bytes[2] = (val >> 40) & 0xff; 101 bytes[3] = (val >> 32) & 0xff; 102 bytes[4] = (val >> 24) & 0xff; 103 bytes[5] = (val >> 16) & 0xff; 104 bytes[6] = (val >> 8) & 0xff; 105 bytes[7] = val & 0xff; 106 } 107 108 static __inline u_int32_t 109 _2btol(u_int8_t *bytes) 110 { 111 u_int32_t rv; 112 113 rv = (bytes[0] << 8) | bytes[1]; 114 return rv; 115 } 116 117 static __inline u_int32_t 118 _3btol(u_int8_t *bytes) 119 { 120 u_int32_t rv; 121 122 rv = (bytes[0] << 16) | (bytes[1] << 8) | bytes[2]; 123 return rv; 124 } 125 126 static __inline u_int32_t 127 _4btol(u_int8_t *bytes) 128 { 129 u_int32_t rv; 130 131 rv = (bytes[0] << 24) | (bytes[1] << 16) | 132 (bytes[2] << 8) | bytes[3]; 133 return rv; 134 } 135 136 static __inline u_int64_t 137 _5btol(u_int8_t *bytes) 138 { 139 u_int64_t rv; 140 141 rv = ((u_int64_t)bytes[0] << 32) | 142 ((u_int64_t)bytes[1] << 24) | 143 ((u_int64_t)bytes[2] << 16) | 144 ((u_int64_t)bytes[3] << 8) | 145 (u_int64_t)bytes[4]; 146 return rv; 147 } 148 149 static __inline u_int64_t 150 _8btol(u_int8_t *bytes) 151 { 152 u_int64_t rv; 153 154 rv = (((u_int64_t)bytes[0]) << 56) | 155 (((u_int64_t)bytes[1]) << 48) | 156 (((u_int64_t)bytes[2]) << 40) | 157 (((u_int64_t)bytes[3]) << 32) | 158 (((u_int64_t)bytes[4]) << 24) | 159 (((u_int64_t)bytes[5]) << 16) | 160 (((u_int64_t)bytes[6]) << 8) | 161 ((u_int64_t)bytes[7]); 162 return rv; 163 } 164 165 #ifdef _KERNEL 166 167 #define DEVID_NONE 0 168 #define DEVID_NAA 1 169 #define DEVID_EUI 2 170 #define DEVID_T10 3 171 #define DEVID_SERIAL 4 172 #define DEVID_WWN 5 173 174 struct devid { 175 u_int8_t d_type; 176 u_int8_t d_flags; 177 #define DEVID_F_PRINT (1<<0) 178 u_int8_t d_refcount; 179 u_int8_t d_len; 180 181 /* 182 * the devid struct is basically a header, the actual id is allocated 183 * immediately after it. 184 */ 185 }; 186 187 #define DEVID_CMP(_a, _b) ( \ 188 (_a) != NULL && (_b) != NULL && \ 189 ((_a) == (_b) || \ 190 ((_a)->d_type != DEVID_NONE && \ 191 (_a)->d_type == (_b)->d_type && \ 192 (_a)->d_len == (_b)->d_len && \ 193 bcmp((_a) + 1, (_b) + 1, (_a)->d_len) == 0)) \ 194 ) 195 196 struct devid * devid_alloc(u_int8_t, u_int8_t, u_int8_t, u_int8_t *); 197 struct devid * devid_copy(struct devid *); 198 void devid_free(struct devid *); 199 200 /* 201 * Each existing device (scsibus + target + lun) 202 * - is described by a scsi_link struct. 203 * Each scsi_link struct 204 * - identifies the device's softc and scsi_adapter. 205 * Each scsi_adapter struct 206 * - contains pointers to the device's scsi functions. 207 * Each scsibus_softc has an SLIST 208 * - holding pointers to the scsi_link structs of devices on that scsi bus. 209 * Each individual device 210 * - knows the address of its scsi_link structure. 211 */ 212 213 struct scsi_xfer; 214 struct scsi_link; 215 struct scsibus_softc; 216 217 /* 218 * Temporary hack 219 */ 220 extern int scsi_autoconf; 221 222 /* 223 * These entrypoints are called by the high-end drivers to get services from 224 * whatever low-end drivers they are attached to. Each adapter type has one 225 * of these statically allocated. 226 */ 227 struct scsi_adapter { 228 void (*scsi_cmd)(struct scsi_xfer *); 229 void (*dev_minphys)(struct buf *, struct scsi_link *); 230 int (*dev_probe)(struct scsi_link *); 231 void (*dev_free)(struct scsi_link *); 232 int (*ioctl)(struct scsi_link *, u_long, caddr_t, int); 233 }; 234 235 struct scsi_iopool; 236 237 struct scsi_iohandler { 238 TAILQ_ENTRY(scsi_iohandler) q_entry; 239 u_int q_state; 240 241 struct scsi_iopool *pool; 242 void (*handler)(void *, void *); 243 void *cookie; 244 }; 245 TAILQ_HEAD(scsi_runq, scsi_iohandler); 246 247 struct scsi_iopool { 248 /* access to the IOs */ 249 void *iocookie; 250 /* 251 * Get an IO. This must reserve all resources that are necessary 252 * to send the transfer to the device. The resources must stay 253 * reserved during the lifetime of the IO, as the IO may be re-used 254 * without being io_put(), first. 255 */ 256 void *(*io_get)(void *); 257 void (*io_put)(void *, void *); 258 259 /* the runqueue */ 260 struct scsi_runq queue; 261 /* runqueue semaphore */ 262 u_int running; 263 /* protection for the runqueue and its semaphore */ 264 struct mutex mtx; 265 }; 266 267 struct scsi_xshandler { 268 struct scsi_iohandler ioh; /* must be first */ 269 270 struct scsi_link *link; 271 void (*handler)(struct scsi_xfer *); 272 }; 273 274 /* 275 * This structure describes the connection between an adapter driver and 276 * a device driver, and is used by each to call services provided by 277 * the other, and to allow generic scsi glue code to call these services 278 * as well. 279 */ 280 struct scsi_link { 281 SLIST_ENTRY(scsi_link) bus_list; 282 283 u_int state; 284 #define SDEV_S_DYING (1<<1) 285 286 u_int16_t target; /* targ of this dev */ 287 u_int16_t lun; /* lun of this dev */ 288 u_int16_t openings; /* available operations per lun */ 289 u_int64_t port_wwn; /* world wide name of port */ 290 u_int64_t node_wwn; /* world wide name of node */ 291 u_int16_t flags; /* flags that all devices have */ 292 #define SDEV_REMOVABLE 0x0001 /* media is removable */ 293 #define SDEV_MEDIA_LOADED 0x0002 /* device figures are still valid */ 294 #define SDEV_READONLY 0x0004 /* device is read-only */ 295 #define SDEV_OPEN 0x0008 /* at least 1 open session */ 296 #define SDEV_DBX 0x00f0 /* debugging flags (scsi_debug.h) */ 297 #define SDEV_EJECTING 0x0100 /* eject on device close */ 298 #define SDEV_ATAPI 0x0200 /* device is ATAPI */ 299 #define SDEV_UMASS 0x0400 /* device is UMASS SCSI */ 300 #define SDEV_VIRTUAL 0x0800 /* device is virtualised on the hba */ 301 #define SDEV_OWN_IOPL 0x1000 /* scsibus */ 302 u_int16_t quirks; /* per-device oddities */ 303 #define SDEV_AUTOSAVE 0x0001 /* do implicit SAVEDATAPOINTER on disconnect */ 304 #define SDEV_NOSYNC 0x0002 /* does not grok SDTR */ 305 #define SDEV_NOWIDE 0x0004 /* does not grok WDTR */ 306 #define SDEV_NOTAGS 0x0008 /* lies about having tagged queueing */ 307 #define SDEV_NOSYNCCACHE 0x0010 /* no SYNCHRONIZE_CACHE */ 308 #define ADEV_NOSENSE 0x0020 /* No request sense - ATAPI */ 309 #define ADEV_LITTLETOC 0x0040 /* little-endian TOC - ATAPI */ 310 #define ADEV_NOCAPACITY 0x0080 /* no READ CD CAPACITY */ 311 #define ADEV_NODOORLOCK 0x0100 /* can't lock door */ 312 int (*interpret_sense)(struct scsi_xfer *); 313 void *device_softc; /* needed for call to foo_start */ 314 struct scsibus_softc *bus; /* link to the scsibus we're on */ 315 struct scsi_inquiry_data inqdata; /* copy of INQUIRY data from probe */ 316 struct devid *id; 317 318 struct scsi_runq queue; 319 u_int running; 320 u_short pending; 321 322 struct scsi_iopool *pool; 323 }; 324 325 int scsiprint(void *, const char *); 326 327 /* 328 * This describes matching information for scsi_inqmatch(). The more things 329 * match, the higher the configuration priority. 330 */ 331 struct scsi_inquiry_pattern { 332 u_int8_t type; 333 int removable; 334 char *vendor; 335 char *product; 336 char *revision; 337 }; 338 339 struct scsibus_attach_args { 340 struct scsi_adapter *saa_adapter; 341 void *saa_adapter_softc; 342 struct scsi_iopool *saa_pool; 343 u_int64_t saa_wwpn; 344 u_int64_t saa_wwnn; 345 u_int16_t saa_quirks; 346 u_int16_t saa_flags; 347 u_int16_t saa_openings; 348 u_int16_t saa_adapter_target; 349 #define SDEV_NO_ADAPTER_TARGET 0xffff 350 u_int16_t saa_adapter_buswidth; 351 u_int8_t saa_luns; 352 }; 353 354 /* 355 * One of these is allocated and filled in for each scsi bus. 356 * It holds pointers to allow the scsi bus to get to the driver 357 * that is running each LUN on the bus. 358 * It also has a template entry which is the prototype struct 359 * supplied by the adapter driver. This is used to initialise 360 * the others, before they have the rest of the fields filled in. 361 */ 362 struct scsibus_softc { 363 struct device sc_dev; 364 SLIST_HEAD(, scsi_link) sc_link_list; 365 void *sb_adapter_softc; 366 struct scsi_adapter *sb_adapter; 367 struct scsi_iopool *sb_pool; 368 u_int16_t sb_quirks; 369 u_int16_t sb_flags; 370 u_int16_t sb_openings; 371 u_int16_t sb_adapter_buswidth; 372 u_int16_t sb_adapter_target; 373 u_int8_t sb_luns; 374 }; 375 376 /* 377 * This is used to pass information from the high-level configuration code 378 * to the device-specific drivers. 379 */ 380 struct scsi_attach_args { 381 struct scsi_link *sa_sc_link; 382 }; 383 384 /* 385 * Each scsi transaction is fully described by one of these structures. 386 * It includes information about the source of the command and also the 387 * device and adapter for which the command is destined. 388 * (via the scsi_link structure) 389 */ 390 struct scsi_xfer { 391 SIMPLEQ_ENTRY(scsi_xfer) xfer_list; 392 int flags; 393 struct scsi_link *sc_link; /* all about our device and adapter */ 394 int retries; /* the number of times to retry */ 395 int timeout; /* in milliseconds */ 396 struct scsi_generic cmd; /* The scsi command to execute */ 397 int cmdlen; /* how long it is */ 398 u_char *data; /* dma address OR a uio address */ 399 int datalen; /* data len (blank if uio) */ 400 size_t resid; /* how much buffer was not touched */ 401 int error; /* an error value */ 402 struct buf *bp; /* If we need to associate with a buf */ 403 struct scsi_sense_data sense; /* 18 bytes*/ 404 u_int8_t status; /* SCSI status */ 405 /* 406 * timeout structure for hba's to use for a command 407 */ 408 struct timeout stimeout; 409 void *cookie; 410 void (*done)(struct scsi_xfer *); 411 412 void *io; /* adapter io resource */ 413 }; 414 SIMPLEQ_HEAD(scsi_xfer_list, scsi_xfer); 415 416 /* 417 * Per-request Flag values 418 */ 419 #define SCSI_NOSLEEP 0x00001 /* don't sleep */ 420 #define SCSI_POLL 0x00002 /* poll for completion */ 421 #define SCSI_AUTOCONF 0x00003 /* shorthand for SCSI_POLL | SCSI_NOSLEEP */ 422 #define ITSDONE 0x00008 /* the transfer is as done as it gets */ 423 #define SCSI_SILENT 0x00020 /* don't announce NOT READY or MEDIA CHANGE */ 424 #define SCSI_IGNORE_NOT_READY 0x00040 /* ignore NOT READY */ 425 #define SCSI_IGNORE_MEDIA_CHANGE 0x00080 /* ignore MEDIA CHANGE */ 426 #define SCSI_IGNORE_ILLEGAL_REQUEST 0x00100 /* ignore ILLEGAL REQUEST */ 427 #define SCSI_RESET 0x00200 /* Reset the device in question */ 428 #define SCSI_DATA_IN 0x00800 /* expect data to come INTO memory */ 429 #define SCSI_DATA_OUT 0x01000 /* expect data to flow OUT of memory */ 430 #define SCSI_TARGET 0x02000 /* This defines a TARGET mode op. */ 431 #define SCSI_ESCAPE 0x04000 /* Escape operation */ 432 #define SCSI_PRIVATE 0xf0000 /* private to each HBA flags */ 433 434 /* 435 * Escape op-codes. This provides an extensible setup for operations 436 * that are not scsi commands. They are intended for modal operations. 437 */ 438 439 #define SCSI_OP_TARGET 0x0001 440 #define SCSI_OP_RESET 0x0002 441 #define SCSI_OP_BDINFO 0x0003 442 443 /* 444 * Error values an adapter driver may return 445 */ 446 #define XS_NOERROR 0 /* there is no error, (sense is invalid) */ 447 #define XS_SENSE 1 /* Check the returned sense for the error */ 448 #define XS_DRIVER_STUFFUP 2 /* Driver failed to perform operation */ 449 #define XS_SELTIMEOUT 3 /* The device timed out.. turned off? */ 450 #define XS_TIMEOUT 4 /* The Timeout reported was caught by SW */ 451 #define XS_BUSY 5 /* The device busy, try again later? */ 452 #define XS_SHORTSENSE 6 /* Check the ATAPI sense for the error */ 453 #define XS_RESET 8 /* bus was reset; possible retry command */ 454 455 /* 456 * Possible retries for scsi_test_unit_ready() 457 */ 458 #define TEST_READY_RETRIES 5 459 460 /* 461 * Possible retries for most SCSI commands. 462 */ 463 #define SCSI_RETRIES 4 464 465 const void *scsi_inqmatch(struct scsi_inquiry_data *, const void *, int, 466 int, int *); 467 468 void scsi_init(void); 469 int scsi_test_unit_ready(struct scsi_link *, int, int); 470 int scsi_inquire(struct scsi_link *, struct scsi_inquiry_data *, int); 471 int scsi_read_cap_10(struct scsi_link *, struct scsi_read_cap_data *, int); 472 int scsi_read_cap_16(struct scsi_link *, struct scsi_read_cap_data_16 *, 473 int); 474 int scsi_inquire_vpd(struct scsi_link *, void *, u_int, u_int8_t, int); 475 void scsi_init_inquiry(struct scsi_xfer *, u_int8_t, u_int8_t, 476 void *, size_t); 477 int scsi_prevent(struct scsi_link *, int, int); 478 int scsi_start(struct scsi_link *, int, int); 479 void scsi_parse_blkdesc(struct scsi_link *, union scsi_mode_sense_buf *, int, 480 u_int32_t *, u_int64_t *, u_int32_t *); 481 int scsi_do_mode_sense(struct scsi_link *, int, 482 union scsi_mode_sense_buf *, void **, int, int, int *); 483 void scsi_parse_blkdesc(struct scsi_link *, union scsi_mode_sense_buf *, int, 484 u_int32_t *, u_int64_t *, u_int32_t *); 485 int scsi_mode_select(struct scsi_link *, int, struct scsi_mode_header *, 486 int, int); 487 int scsi_mode_select_big(struct scsi_link *, int, 488 struct scsi_mode_header_big *, int, int); 489 void scsi_copy_internal_data(struct scsi_xfer *, void *, size_t); 490 void scsi_done(struct scsi_xfer *); 491 int scsi_do_ioctl(struct scsi_link *, u_long, caddr_t, int); 492 void sc_print_addr(struct scsi_link *); 493 int scsi_report_luns(struct scsi_link *, int, 494 struct scsi_report_luns_data *, u_int32_t, int, int); 495 int scsi_interpret_sense(struct scsi_xfer *); 496 497 void scsi_print_sense(struct scsi_xfer *); 498 void scsi_strvis(u_char *, u_char *, int); 499 int scsi_delay(struct scsi_xfer *, int); 500 501 int scsi_probe(struct scsibus_softc *, int, int); 502 int scsi_probe_bus(struct scsibus_softc *); 503 int scsi_probe_target(struct scsibus_softc *, int); 504 int scsi_probe_lun(struct scsibus_softc *, int, int); 505 506 int scsi_detach(struct scsibus_softc *, int, int, int); 507 int scsi_detach_target(struct scsibus_softc *, int, int); 508 int scsi_detach_lun(struct scsibus_softc *, int, int, int); 509 510 int scsi_req_probe(struct scsibus_softc *, int, int); 511 int scsi_req_detach(struct scsibus_softc *, int, int, int); 512 513 int scsi_activate(struct scsibus_softc *, int, int, int); 514 515 struct scsi_link * scsi_get_link(struct scsibus_softc *, int, int); 516 517 #define SID_ANSII_REV(x) ((x)->version & SID_ANSII) 518 #define SID_RESPONSE_FORMAT(x) ((x)->response_format & SID_RESPONSE_DATA_FMT) 519 520 #define SCSI_REV_0 0x00 /* No conformance to any standard. */ 521 #define SCSI_REV_1 0x01 /* (Obsolete) SCSI-1 in olden times. */ 522 #define SCSI_REV_2 0x02 /* (Obsolete) SCSI-2 in olden times. */ 523 #define SCSI_REV_SPC 0x03 /* ANSI INCITS 301-1997 (SPC). */ 524 #define SCSI_REV_SPC2 0x04 /* ANSI INCITS 351-2001 (SPC-2) */ 525 #define SCSI_REV_SPC3 0x05 /* ANSI INCITS 408-2005 (SPC-3) */ 526 #define SCSI_REV_SPC4 0x06 /* ANSI INCITS 513-2015 (SPC-4) */ 527 #define SCSI_REV_SPC5 0x07 /* T10/BSR INCITS 503 (SPC-5) */ 528 529 struct scsi_xfer * scsi_xs_get(struct scsi_link *, int); 530 void scsi_xs_exec(struct scsi_xfer *); 531 int scsi_xs_sync(struct scsi_xfer *); 532 void scsi_xs_put(struct scsi_xfer *); 533 534 /* 535 * iopool stuff 536 */ 537 void scsi_iopool_init(struct scsi_iopool *, void *, 538 void *(*)(void *), void (*)(void *, void *)); 539 void scsi_iopool_run(struct scsi_iopool *); 540 void scsi_iopool_destroy(struct scsi_iopool *); 541 void scsi_link_shutdown(struct scsi_link *); 542 543 void * scsi_io_get(struct scsi_iopool *, int); 544 void scsi_io_put(struct scsi_iopool *, void *); 545 546 /* 547 * default io allocator. 548 */ 549 #define SCSI_IOPOOL_POISON ((void *)0x5c5) 550 void * scsi_default_get(void *); 551 void scsi_default_put(void *, void *); 552 553 /* 554 * io handler interface 555 */ 556 void scsi_ioh_set(struct scsi_iohandler *, struct scsi_iopool *, 557 void (*)(void *, void *), void *); 558 int scsi_ioh_add(struct scsi_iohandler *); 559 int scsi_ioh_del(struct scsi_iohandler *); 560 561 void scsi_xsh_set(struct scsi_xshandler *, struct scsi_link *, 562 void (*)(struct scsi_xfer *)); 563 int scsi_xsh_add(struct scsi_xshandler *); 564 int scsi_xsh_del(struct scsi_xshandler *); 565 566 /* 567 * utility functions 568 */ 569 int scsi_pending_start(struct mutex *, u_int *); 570 int scsi_pending_finish(struct mutex *, u_int *); 571 572 /* 573 * Utility functions for SCSI HBA emulation. 574 */ 575 void scsi_cmd_rw_decode(struct scsi_generic *, u_int64_t *, u_int32_t *); 576 577 #endif /* _KERNEL */ 578 #endif /* _SCSI_SCSICONF_H */ 579