1 /* $OpenBSD: scsiconf.h,v 1.102 2009/10/14 01:33:22 dlg 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/workq.h> 56 #include <sys/mutex.h> 57 #include <machine/cpu.h> 58 #include <scsi/scsi_debug.h> 59 60 static __inline void _lto2b(u_int32_t val, u_int8_t *bytes); 61 static __inline void _lto3b(u_int32_t val, u_int8_t *bytes); 62 static __inline void _lto4b(u_int32_t val, u_int8_t *bytes); 63 static __inline void _lto8b(u_int64_t val, u_int8_t *bytes); 64 static __inline u_int32_t _2btol(u_int8_t *bytes); 65 static __inline u_int32_t _3btol(u_int8_t *bytes); 66 static __inline u_int32_t _4btol(u_int8_t *bytes); 67 static __inline u_int64_t _5btol(u_int8_t *bytes); 68 static __inline u_int64_t _8btol(u_int8_t *bytes); 69 70 static __inline void _lto2l(u_int32_t val, u_int8_t *bytes); 71 static __inline void _lto3l(u_int32_t val, u_int8_t *bytes); 72 static __inline void _lto4l(u_int32_t val, u_int8_t *bytes); 73 static __inline u_int32_t _2ltol(u_int8_t *bytes); 74 static __inline u_int32_t _3ltol(u_int8_t *bytes); 75 static __inline u_int32_t _4ltol(u_int8_t *bytes); 76 77 static __inline void 78 _lto2b(u_int32_t val, u_int8_t *bytes) 79 { 80 81 bytes[0] = (val >> 8) & 0xff; 82 bytes[1] = val & 0xff; 83 } 84 85 static __inline void 86 _lto3b(u_int32_t val, u_int8_t *bytes) 87 { 88 89 bytes[0] = (val >> 16) & 0xff; 90 bytes[1] = (val >> 8) & 0xff; 91 bytes[2] = val & 0xff; 92 } 93 94 static __inline void 95 _lto4b(u_int32_t val, u_int8_t *bytes) 96 { 97 98 bytes[0] = (val >> 24) & 0xff; 99 bytes[1] = (val >> 16) & 0xff; 100 bytes[2] = (val >> 8) & 0xff; 101 bytes[3] = val & 0xff; 102 } 103 104 static __inline void 105 _lto8b(u_int64_t val, u_int8_t *bytes) 106 { 107 108 bytes[0] = (val >> 56) & 0xff; 109 bytes[1] = (val >> 48) & 0xff; 110 bytes[2] = (val >> 40) & 0xff; 111 bytes[3] = (val >> 32) & 0xff; 112 bytes[4] = (val >> 24) & 0xff; 113 bytes[5] = (val >> 16) & 0xff; 114 bytes[6] = (val >> 8) & 0xff; 115 bytes[7] = val & 0xff; 116 } 117 118 static __inline u_int32_t 119 _2btol(u_int8_t *bytes) 120 { 121 u_int32_t rv; 122 123 rv = (bytes[0] << 8) | bytes[1]; 124 return (rv); 125 } 126 127 static __inline u_int32_t 128 _3btol(u_int8_t *bytes) 129 { 130 u_int32_t rv; 131 132 rv = (bytes[0] << 16) | (bytes[1] << 8) | bytes[2]; 133 return (rv); 134 } 135 136 static __inline u_int32_t 137 _4btol(u_int8_t *bytes) 138 { 139 u_int32_t rv; 140 141 rv = (bytes[0] << 24) | (bytes[1] << 16) | 142 (bytes[2] << 8) | bytes[3]; 143 return (rv); 144 } 145 146 static __inline u_int64_t 147 _5btol(u_int8_t *bytes) 148 { 149 u_int64_t rv; 150 151 rv = ((u_int64_t)bytes[0] << 32) | 152 ((u_int64_t)bytes[1] << 24) | 153 ((u_int64_t)bytes[2] << 16) | 154 ((u_int64_t)bytes[3] << 8) | 155 (u_int64_t)bytes[4]; 156 return (rv); 157 } 158 159 static __inline u_int64_t 160 _8btol(u_int8_t *bytes) 161 { 162 u_int64_t rv; 163 164 rv = (((u_int64_t)bytes[0]) << 56) | 165 (((u_int64_t)bytes[1]) << 48) | 166 (((u_int64_t)bytes[2]) << 40) | 167 (((u_int64_t)bytes[3]) << 32) | 168 (((u_int64_t)bytes[4]) << 24) | 169 (((u_int64_t)bytes[5]) << 16) | 170 (((u_int64_t)bytes[6]) << 8) | 171 ((u_int64_t)bytes[7]); 172 return (rv); 173 } 174 175 static __inline void 176 _lto2l(u_int32_t val, u_int8_t *bytes) 177 { 178 179 bytes[0] = val & 0xff; 180 bytes[1] = (val >> 8) & 0xff; 181 } 182 183 static __inline void 184 _lto3l(u_int32_t val, u_int8_t *bytes) 185 { 186 187 bytes[0] = val & 0xff; 188 bytes[1] = (val >> 8) & 0xff; 189 bytes[2] = (val >> 16) & 0xff; 190 } 191 192 static __inline void 193 _lto4l(u_int32_t val, u_int8_t *bytes) 194 { 195 196 bytes[0] = val & 0xff; 197 bytes[1] = (val >> 8) & 0xff; 198 bytes[2] = (val >> 16) & 0xff; 199 bytes[3] = (val >> 24) & 0xff; 200 } 201 202 static __inline u_int32_t 203 _2ltol(u_int8_t *bytes) 204 { 205 u_int32_t rv; 206 207 rv = bytes[0] | (bytes[1] << 8); 208 return (rv); 209 } 210 211 static __inline u_int32_t 212 _3ltol(u_int8_t *bytes) 213 { 214 u_int32_t rv; 215 216 rv = bytes[0] | (bytes[1] << 8) | (bytes[2] << 16); 217 return (rv); 218 } 219 220 static __inline u_int32_t 221 _4ltol(u_int8_t *bytes) 222 { 223 u_int32_t rv; 224 225 rv = bytes[0] | (bytes[1] << 8) | 226 (bytes[2] << 16) | (bytes[3] << 24); 227 return (rv); 228 } 229 230 #ifdef _KERNEL 231 232 #define DEVID_NONE 0 233 #define DEVID_NAA 1 234 #define DEVID_EUI 2 235 #define DEVID_T10 3 236 237 struct devid { 238 u_int8_t d_type; 239 u_int8_t d_flags; 240 #define DEVID_F_PRINT (1<<0) 241 u_int8_t d_refcount; 242 u_int8_t d_len; 243 244 /* 245 * the devid struct is basically a header, the actual id is allocated 246 * immediately after it. 247 */ 248 }; 249 250 #define DEVID_CMP(_a, _b) ( \ 251 (_a) != NULL && (_b) != NULL && \ 252 ((_a) == (_b) || \ 253 ((_a)->d_type != DEVID_NONE && \ 254 (_a)->d_type == (_b)->d_type && \ 255 (_a)->d_len == (_b)->d_len && \ 256 bcmp((_a) + 1, (_b) + 1, (_a)->d_len) == 0)) \ 257 ) 258 259 struct devid * devid_alloc(u_int8_t, u_int8_t, u_int8_t, u_int8_t *); 260 struct devid * devid_copy(struct devid *); 261 void devid_free(struct devid *); 262 263 /* 264 * The following documentation tries to describe the relationship between the 265 * various structures defined in this file: 266 * 267 * each adapter type has a scsi_adapter struct. This describes the adapter and 268 * identifies routines that can be called to use the adapter. 269 * each device type has a scsi_device struct. This describes the device and 270 * identifies routines that can be called to use the device. 271 * each existing device position (scsibus + target + lun) 272 * can be described by a scsi_link struct. 273 * Only scsi positions that actually have devices, have a scsi_link 274 * structure assigned. so in effect each device has scsi_link struct. 275 * The scsi_link structure contains information identifying both the 276 * device driver and the adapter driver for that position on that scsi bus, 277 * and can be said to 'link' the two. 278 * each individual scsi bus has an array that points to all the scsi_link 279 * structs associated with that scsi bus. Slots with no device have 280 * a NULL pointer. 281 * each individual device also knows the address of its own scsi_link 282 * structure. 283 * 284 * ------------- 285 * 286 * The key to all this is the scsi_link structure which associates all the 287 * other structures with each other in the correct configuration. The 288 * scsi_link is the connecting information that allows each part of the 289 * scsi system to find the associated other parts. 290 */ 291 292 struct scsi_xfer; 293 struct scsi_link; 294 struct scsibus_softc; 295 296 /* 297 * Temporary hack 298 */ 299 extern int scsi_autoconf; 300 301 /* 302 * These entrypoints are called by the high-end drivers to get services from 303 * whatever low-end drivers they are attached to. Each adapter type has one 304 * of these statically allocated. 305 */ 306 struct scsi_adapter { 307 int (*scsi_cmd)(struct scsi_xfer *); 308 void (*scsi_minphys)(struct buf *, struct scsi_link *); 309 int (*dev_probe)(struct scsi_link *); 310 void (*dev_free)(struct scsi_link *); 311 int (*ioctl)(struct scsi_link *, u_long, caddr_t, int, 312 struct proc *); 313 }; 314 315 /* 316 * return values for scsi_cmd() 317 */ 318 #define SUCCESSFULLY_QUEUED 0 319 #define TRY_AGAIN_LATER 1 320 #define COMPLETE 2 321 #define ESCAPE_NOT_SUPPORTED 3 322 #define NO_CCB 4 323 324 /* 325 * These entry points are called by the low-end drivers to get services from 326 * whatever high-end drivers they are attached to. Each device type has one 327 * of these statically allocated. 328 */ 329 struct scsi_device { 330 int (*err_handler)(struct scsi_xfer *); 331 /* returns -1 to say err processing done */ 332 void (*start)(void *); 333 334 int (*async)(void); 335 void (*done)(struct scsi_xfer *); 336 }; 337 338 /* 339 * This structure describes the connection between an adapter driver and 340 * a device driver, and is used by each to call services provided by 341 * the other, and to allow generic scsi glue code to call these services 342 * as well. 343 */ 344 struct scsi_link { 345 u_int8_t scsibus; /* the Nth scsibus */ 346 u_int8_t luns; 347 u_int16_t target; /* targ of this dev */ 348 u_int16_t lun; /* lun of this dev */ 349 u_int16_t openings; /* available operations */ 350 u_int64_t port_wwn; /* world wide name of port */ 351 u_int64_t node_wwn; /* world wide name of node */ 352 u_int16_t adapter_target; /* what are we on the scsi bus */ 353 u_int16_t adapter_buswidth; /* 8 (regular) or 16 (wide). (0 becomes 8) */ 354 u_int16_t active; /* operations in progress */ 355 u_int16_t flags; /* flags that all devices have */ 356 #define SDEV_REMOVABLE 0x0001 /* media is removable */ 357 #define SDEV_MEDIA_LOADED 0x0002 /* device figures are still valid */ 358 #define SDEV_WAITING 0x0004 /* a process is waiting for this */ 359 #define SDEV_OPEN 0x0008 /* at least 1 open session */ 360 #define SDEV_DBX 0x00f0 /* debugging flags (scsi_debug.h) */ 361 #define SDEV_EJECTING 0x0100 /* eject on device close */ 362 #define SDEV_ATAPI 0x0200 /* device is ATAPI */ 363 #define SDEV_2NDBUS 0x0400 /* device is a 'second' bus device */ 364 #define SDEV_UMASS 0x0800 /* device is UMASS SCSI */ 365 #define SDEV_VIRTUAL 0x1000 /* device is virtualised on the hba */ 366 u_int16_t quirks; /* per-device oddities */ 367 #define SDEV_AUTOSAVE 0x0001 /* do implicit SAVEDATAPOINTER on disconnect */ 368 #define SDEV_NOSYNC 0x0002 /* does not grok SDTR */ 369 #define SDEV_NOWIDE 0x0004 /* does not grok WDTR */ 370 #define SDEV_NOTAGS 0x0008 /* lies about having tagged queueing */ 371 #define SDEV_NOSYNCCACHE 0x0100 /* no SYNCHRONIZE_CACHE */ 372 #define ADEV_NOSENSE 0x0200 /* No request sense - ATAPI */ 373 #define ADEV_LITTLETOC 0x0400 /* little-endian TOC - ATAPI */ 374 #define ADEV_NOCAPACITY 0x0800 /* no READ CD CAPACITY */ 375 #define ADEV_NODOORLOCK 0x2000 /* can't lock door */ 376 #define SDEV_ONLYBIG 0x4000 /* always use READ_BIG and WRITE_BIG */ 377 struct scsi_device *device; /* device entry points etc. */ 378 void *device_softc; /* needed for call to foo_start */ 379 struct scsi_adapter *adapter; /* adapter entry points etc. */ 380 void *adapter_softc; /* needed for call to foo_scsi_cmd */ 381 struct scsibus_softc *bus; /* link to the scsibus we're on */ 382 struct scsi_inquiry_data inqdata; /* copy of INQUIRY data from probe */ 383 struct devid *id; 384 struct mutex mtx; 385 }; 386 387 int scsiprint(void *, const char *); 388 389 /* 390 * This describes matching information for scsi_inqmatch(). The more things 391 * match, the higher the configuration priority. 392 */ 393 struct scsi_inquiry_pattern { 394 u_int8_t type; 395 int removable; 396 char *vendor; 397 char *product; 398 char *revision; 399 }; 400 401 struct scsibus_attach_args { 402 struct scsi_link *saa_sc_link; 403 }; 404 405 /* 406 * One of these is allocated and filled in for each scsi bus. 407 * It holds pointers to allow the scsi bus to get to the driver 408 * that is running each LUN on the bus. 409 * It also has a template entry which is the prototype struct 410 * supplied by the adapter driver. This is used to initialise 411 * the others, before they have the rest of the fields filled in. 412 */ 413 struct scsibus_softc { 414 struct device sc_dev; 415 struct scsi_link *adapter_link; /* prototype supplied by adapter */ 416 struct scsi_link ***sc_link; 417 u_int16_t sc_buswidth; 418 }; 419 420 /* 421 * This is used to pass information from the high-level configuration code 422 * to the device-specific drivers. 423 */ 424 struct scsi_attach_args { 425 struct scsi_link *sa_sc_link; 426 struct scsi_inquiry_data *sa_inqbuf; 427 }; 428 429 /* 430 * Each scsi transaction is fully described by one of these structures. 431 * It includes information about the source of the command and also the 432 * device and adapter for which the command is destined. 433 * (via the scsi_link structure) 434 */ 435 struct scsi_xfer { 436 LIST_ENTRY(scsi_xfer) free_list; 437 int flags; 438 struct scsi_link *sc_link; /* all about our device and adapter */ 439 int retries; /* the number of times to retry */ 440 int timeout; /* in milliseconds */ 441 struct scsi_generic *cmd; /* The scsi command to execute */ 442 int cmdlen; /* how long it is */ 443 u_char *data; /* dma address OR a uio address */ 444 int datalen; /* data len (blank if uio) */ 445 size_t resid; /* how much buffer was not touched */ 446 int error; /* an error value */ 447 struct buf *bp; /* If we need to associate with a buf */ 448 struct scsi_sense_data sense; /* 32 bytes*/ 449 /* 450 * Believe it or not, Some targets fall on the ground with 451 * anything but a certain sense length. 452 */ 453 int req_sense_length; /* Explicit request sense length */ 454 u_int8_t status; /* SCSI status */ 455 struct scsi_generic cmdstore; /* stash the command in here */ 456 /* 457 * timeout structure for hba's to use for a command 458 */ 459 struct timeout stimeout; 460 void *cookie; 461 void (*done)(struct scsi_xfer *); 462 }; 463 464 /* 465 * Per-request Flag values 466 */ 467 #define SCSI_NOSLEEP 0x00001 /* don't sleep */ 468 #define SCSI_POLL 0x00002 /* poll for completion */ 469 #define SCSI_AUTOCONF 0x00003 /* shorthand for SCSI_POLL | SCSI_NOSLEEP */ 470 #define SCSI_USER 0x00004 /* Is a user cmd, call scsi_user_done */ 471 #define ITSDONE 0x00008 /* the transfer is as done as it gets */ 472 #define SCSI_SILENT 0x00020 /* don't announce NOT READY or MEDIA CHANGE */ 473 #define SCSI_IGNORE_NOT_READY 0x00040 /* ignore NOT READY */ 474 #define SCSI_IGNORE_MEDIA_CHANGE 0x00080 /* ignore MEDIA CHANGE */ 475 #define SCSI_IGNORE_ILLEGAL_REQUEST 0x00100 /* ignore ILLEGAL REQUEST */ 476 #define SCSI_RESET 0x00200 /* Reset the device in question */ 477 #define SCSI_DATA_IN 0x00800 /* expect data to come INTO memory */ 478 #define SCSI_DATA_OUT 0x01000 /* expect data to flow OUT of memory */ 479 #define SCSI_TARGET 0x02000 /* This defines a TARGET mode op. */ 480 #define SCSI_ESCAPE 0x04000 /* Escape operation */ 481 #define SCSI_URGENT 0x08000 /* Urgent operation (e.g., HTAG) */ 482 #define SCSI_PRIVATE 0xf0000 /* private to each HBA flags */ 483 484 /* 485 * Escape op-codes. This provides an extensible setup for operations 486 * that are not scsi commands. They are intended for modal operations. 487 */ 488 489 #define SCSI_OP_TARGET 0x0001 490 #define SCSI_OP_RESET 0x0002 491 #define SCSI_OP_BDINFO 0x0003 492 493 /* 494 * Error values an adapter driver may return 495 */ 496 #define XS_NOERROR 0 /* there is no error, (sense is invalid) */ 497 #define XS_SENSE 1 /* Check the returned sense for the error */ 498 #define XS_DRIVER_STUFFUP 2 /* Driver failed to perform operation */ 499 #define XS_SELTIMEOUT 3 /* The device timed out.. turned off? */ 500 #define XS_TIMEOUT 4 /* The Timeout reported was caught by SW */ 501 #define XS_BUSY 5 /* The device busy, try again later? */ 502 #define XS_SHORTSENSE 6 /* Check the ATAPI sense for the error */ 503 #define XS_RESET 8 /* bus was reset; possible retry command */ 504 505 /* 506 * Possible retries for scsi_test_unit_ready() 507 */ 508 #define TEST_READY_RETRIES 5 509 510 /* 511 * Possible retries for most SCSI commands. 512 */ 513 #define SCSI_RETRIES 4 514 515 const void *scsi_inqmatch(struct scsi_inquiry_data *, const void *, int, 516 int, int *); 517 518 #define scsi_task(_f, _a1, _a2, _fl) \ 519 workq_add_task(NULL, (_fl), (_f), (_a1), (_a2)) 520 521 void scsi_init(void); 522 void scsi_deinit(void); 523 struct scsi_xfer * 524 scsi_get_xs(struct scsi_link *, int); 525 void scsi_free_xs(struct scsi_xfer *, int); 526 int scsi_execute_xs(struct scsi_xfer *); 527 daddr64_t scsi_size(struct scsi_link *, int, u_int32_t *); 528 int scsi_test_unit_ready(struct scsi_link *, int, int); 529 int scsi_inquire(struct scsi_link *, struct scsi_inquiry_data *, int); 530 int scsi_inquire_vpd(struct scsi_link *, void *, u_int, u_int8_t, int); 531 int scsi_prevent(struct scsi_link *, int, int); 532 int scsi_start(struct scsi_link *, int, int); 533 int scsi_mode_sense(struct scsi_link *, int, int, struct scsi_mode_header *, 534 size_t, int, int); 535 int scsi_mode_sense_big(struct scsi_link *, int, int, 536 struct scsi_mode_header_big *, size_t, int, int); 537 void * scsi_mode_sense_page(struct scsi_mode_header *, int); 538 void * scsi_mode_sense_big_page(struct scsi_mode_header_big *, int); 539 int scsi_do_mode_sense(struct scsi_link *, int, 540 union scsi_mode_sense_buf *, void **, u_int32_t *, u_int64_t *, 541 u_int32_t *, int, int, int *); 542 int scsi_mode_select(struct scsi_link *, int, struct scsi_mode_header *, 543 int, int); 544 int scsi_mode_select_big(struct scsi_link *, int, 545 struct scsi_mode_header_big *, int, int); 546 void scsi_done(struct scsi_xfer *); 547 void scsi_user_done(struct scsi_xfer *); 548 int scsi_scsi_cmd(struct scsi_link *, struct scsi_generic *, 549 int cmdlen, u_char *data_addr, int datalen, int retries, 550 int timeout, struct buf *bp, int flags); 551 int scsi_do_ioctl(struct scsi_link *, dev_t, u_long, caddr_t, 552 int, struct proc *); 553 void sc_print_addr(struct scsi_link *); 554 int scsi_report_luns(struct scsi_link *, int, 555 struct scsi_report_luns_data *, u_int32_t, int, int); 556 void scsi_minphys(struct buf *, struct scsi_link *); 557 558 void show_scsi_xs(struct scsi_xfer *); 559 void scsi_print_sense(struct scsi_xfer *); 560 void show_mem(u_char *, int); 561 void scsi_strvis(u_char *, u_char *, int); 562 int scsi_delay(struct scsi_xfer *, int); 563 564 int scsi_probe_bus(struct scsibus_softc *); 565 int scsi_probe_target(struct scsibus_softc *, int); 566 int scsi_probe_lun(struct scsibus_softc *, int, int); 567 568 int scsi_detach_bus(struct scsibus_softc *, int); 569 int scsi_detach_target(struct scsibus_softc *, int, int); 570 int scsi_detach_lun(struct scsibus_softc *, int, int, int); 571 572 int scsi_req_probe(struct scsibus_softc *, int, int); 573 int scsi_req_detach(struct scsibus_softc *, int, int, int); 574 575 extern const u_int8_t version_to_spc[]; 576 #define SCSISPC(x)(version_to_spc[(x) & SID_ANSII]) 577 578 struct scsi_xfer * scsi_xs_get(struct scsi_link *, int); 579 void scsi_xs_exec(struct scsi_xfer *); 580 void scsi_xs_put(struct scsi_xfer *); 581 582 /* 583 * Entrypoints for multipathing 584 */ 585 int mpath_path_attach(struct scsi_link *); 586 int mpath_path_detach(struct scsi_link *, int); 587 588 #endif /* _KERNEL */ 589 #endif /* SCSI_SCSICONF_H */ 590