1 /*- 2 * Copyright (c) 2000 Michael Smith 3 * Copyright (c) 2001 Scott Long 4 * Copyright (c) 2000 BSDi 5 * Copyright (c) 2001 Adaptec, Inc. 6 * All rights reserved. 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, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 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 21 * FOR 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 * $FreeBSD: src/sys/dev/aac/aacvar.h,v 1.4.2.7 2003/04/08 13:22:08 scottl Exp $ 30 * $DragonFly: src/sys/dev/raid/aac/aacvar.h,v 1.17 2007/05/15 22:44:08 dillon Exp $ 31 */ 32 33 #include <sys/thread2.h> 34 35 /* 36 * Driver Parameter Definitions 37 */ 38 39 /* 40 * The firmware interface allows for a 16-bit s/g list length. We limit 41 * ourselves to a reasonable maximum and ensure alignment. 42 */ 43 #define AAC_MAXSGENTRIES 64 /* max S/G entries, limit 65535 */ 44 45 /* 46 * We allocate a small set of FIBs for the adapter to use to send us messages. 47 */ 48 #define AAC_ADAPTER_FIBS 8 49 50 /* 51 * FIBs are allocated up-front, and the pool isn't grown. We should allocate 52 * enough here to let us keep the adapter busy without wasting large amounts 53 * of kernel memory. The current interface implementation limits us to 512 54 * FIBs queued for the adapter at any one time. 55 */ 56 #define AAC_FIB_COUNT 128 57 58 /* 59 * The controller reports status events in AIFs. We hang on to a number of 60 * these in order to pass them out to user-space management tools. 61 */ 62 #define AAC_AIFQ_LENGTH 64 63 64 /* 65 * Firmware messages are passed in the kprintf buffer. 66 */ 67 #define AAC_PRINTF_BUFSIZE 256 68 69 /* 70 * We wait this many seconds for the adapter to come ready if it is still 71 * booting 72 */ 73 #define AAC_BOOT_TIMEOUT (3 * 60) 74 75 /* 76 * Timeout for immediate commands. 77 */ 78 #define AAC_IMMEDIATE_TIMEOUT 30 /* seconds */ 79 80 /* 81 * Timeout for normal commands 82 */ 83 #define AAC_CMD_TIMEOUT 30 /* seconds */ 84 85 /* 86 * Rate at which we periodically check for timed out commands and kick the 87 * controller. 88 */ 89 #define AAC_PERIODIC_INTERVAL 20 /* seconds */ 90 91 /* 92 * Character device major numbers. 93 */ 94 #define AAC_DISK_MAJOR 200 95 96 /* 97 * Driver Variable Definitions 98 */ 99 100 #if defined(__FreeBSD__) && __FreeBSD_version >= 500005 101 # include <sys/taskqueue.h> 102 #endif 103 104 /* 105 * Per-container data structure 106 */ 107 struct aac_container 108 { 109 struct aac_mntobj co_mntobj; 110 device_t co_disk; 111 int co_found; 112 TAILQ_ENTRY(aac_container) co_link; 113 }; 114 115 /* 116 * Per-disk structure 117 */ 118 struct aac_disk 119 { 120 device_t ad_dev; 121 cdev_t ad_dev_t; 122 struct aac_softc *ad_controller; 123 struct aac_container *ad_container; 124 struct disk ad_disk; 125 struct devstat ad_stats; 126 int ad_flags; 127 #define AAC_DISK_OPEN (1<<0) 128 int ad_cylinders; 129 int ad_heads; 130 int ad_sectors; 131 u_int32_t ad_size; 132 int unit; 133 }; 134 135 /* 136 * Per-command control structure. 137 */ 138 struct aac_command 139 { 140 TAILQ_ENTRY(aac_command) cm_link; /* list linkage */ 141 142 struct aac_softc *cm_sc; /* controller that owns us */ 143 144 struct aac_fib *cm_fib; /* FIB associated with this 145 * command */ 146 u_int32_t cm_fibphys; /* bus address of the FIB */ 147 struct buf *cm_data; /* pointer to data in kernel 148 * space */ 149 u_int32_t cm_datalen; /* data length */ 150 bus_dmamap_t cm_datamap; /* DMA map for bio data */ 151 struct aac_sg_table *cm_sgtable; /* pointer to s/g table in 152 * command */ 153 int cm_flags; 154 #define AAC_CMD_MAPPED (1<<0) /* command has had its data 155 * mapped */ 156 #define AAC_CMD_DATAIN (1<<1) /* command involves data moving 157 * from controller to host */ 158 #define AAC_CMD_DATAOUT (1<<2) /* command involves data moving 159 * from host to controller */ 160 #define AAC_CMD_COMPLETED (1<<3) /* command has been completed */ 161 #define AAC_CMD_TIMEDOUT (1<<4) /* command taken too long */ 162 #define AAC_ON_AACQ_FREE (1<<5) 163 #define AAC_ON_AACQ_READY (1<<6) 164 #define AAC_ON_AACQ_BUSY (1<<7) 165 #define AAC_ON_AACQ_COMPLETE (1<<8) 166 #define AAC_ON_AACQ_MASK ((1<<5)|(1<<6)|(1<<7)|(1<<8)) 167 168 void (* cm_complete)(struct aac_command *cm); 169 void *cm_private; 170 time_t cm_timestamp; /* command creation time */ 171 int cm_queue; 172 }; 173 174 /* 175 * We gather a number of adapter-visible items into a single structure. 176 * 177 * The ordering of this strucure may be important; we copy the Linux driver: 178 * 179 * Adapter FIBs 180 * Init struct 181 * Queue headers (Comm Area) 182 * Printf buffer 183 * 184 * In addition, we add: 185 * Sync Fib 186 */ 187 struct aac_common { 188 /* fibs for the controller to send us messages */ 189 struct aac_fib ac_fibs[AAC_ADAPTER_FIBS]; 190 191 /* the init structure */ 192 struct aac_adapter_init ac_init; 193 194 /* arena within which the queue structures are kept */ 195 u_int8_t ac_qbuf[sizeof(struct aac_queue_table) + 196 AAC_QUEUE_ALIGN]; 197 198 /* buffer for text messages from the controller */ 199 char ac_printf[AAC_PRINTF_BUFSIZE]; 200 201 /* fib for synchronous commands */ 202 struct aac_fib ac_sync_fib; 203 }; 204 205 /* 206 * Interface operations 207 */ 208 struct aac_interface 209 { 210 int (*aif_get_fwstatus)(struct aac_softc *sc); 211 void (*aif_qnotify)(struct aac_softc *sc, int qbit); 212 int (*aif_get_istatus)(struct aac_softc *sc); 213 void (*aif_clr_istatus)(struct aac_softc *sc, int mask); 214 void (*aif_set_mailbox)(struct aac_softc *sc, u_int32_t command, 215 u_int32_t arg0, u_int32_t arg1, 216 u_int32_t arg2, u_int32_t arg3); 217 int (*aif_get_mailbox)(struct aac_softc *sc, int mb); 218 void (*aif_set_interrupts)(struct aac_softc *sc, int enable); 219 }; 220 extern struct aac_interface aac_rx_interface; 221 extern struct aac_interface aac_sa_interface; 222 extern struct aac_interface aac_fa_interface; 223 224 #define AAC_GET_FWSTATUS(sc) ((sc)->aac_if.aif_get_fwstatus((sc))) 225 #define AAC_QNOTIFY(sc, qbit) ((sc)->aac_if.aif_qnotify((sc), (qbit))) 226 #define AAC_GET_ISTATUS(sc) ((sc)->aac_if.aif_get_istatus((sc))) 227 #define AAC_CLEAR_ISTATUS(sc, mask) ((sc)->aac_if.aif_clr_istatus((sc), \ 228 (mask))) 229 #define AAC_SET_MAILBOX(sc, command, arg0, arg1, arg2, arg3) \ 230 ((sc)->aac_if.aif_set_mailbox((sc), (command), (arg0), (arg1), (arg2), \ 231 (arg3))) 232 #define AAC_GET_MAILBOX(sc, mb) ((sc)->aac_if.aif_get_mailbox((sc), \ 233 (mb))) 234 #define AAC_MASK_INTERRUPTS(sc) ((sc)->aac_if.aif_set_interrupts((sc), \ 235 0)) 236 #define AAC_UNMASK_INTERRUPTS(sc) ((sc)->aac_if.aif_set_interrupts((sc), \ 237 1)) 238 239 #define AAC_SETREG4(sc, reg, val) bus_space_write_4(sc->aac_btag, \ 240 sc->aac_bhandle, reg, val) 241 #define AAC_GETREG4(sc, reg) bus_space_read_4 (sc->aac_btag, \ 242 sc->aac_bhandle, reg) 243 #define AAC_SETREG2(sc, reg, val) bus_space_write_2(sc->aac_btag, \ 244 sc->aac_bhandle, reg, val) 245 #define AAC_GETREG2(sc, reg) bus_space_read_2 (sc->aac_btag, \ 246 sc->aac_bhandle, reg) 247 #define AAC_SETREG1(sc, reg, val) bus_space_write_1(sc->aac_btag, \ 248 sc->aac_bhandle, reg, val) 249 #define AAC_GETREG1(sc, reg) bus_space_read_1 (sc->aac_btag, \ 250 sc->aac_bhandle, reg) 251 252 TAILQ_HEAD(aac_container_tq, aac_container); 253 254 /* Define the OS version specific locks */ 255 #if defined(__FreeBSD__) && __FreeBSD_version >= 500005 256 #include <sys/lock.h> 257 #include <sys/mutex.h> 258 typedef struct mtx aac_lock_t; 259 #define AAC_LOCK_INIT(l, s) mtx_init(l, s, MTX_DEF) 260 #define AAC_LOCK_ACQUIRE(l) mtx_lock(l) 261 #define AAC_LOCK_RELEASE(l) mtx_unlock(l) 262 #else 263 typedef struct lock aac_lock_t; 264 #define AAC_LOCK_INIT(l, s) lockinit(l, "aac", 0, 0) 265 #define AAC_LOCK_ACQUIRE(l) lockmgr(l, LK_EXCLUSIVE|LK_RETRY) 266 #define AAC_LOCK_RELEASE(l) lockmgr(l, LK_RELEASE) 267 #endif 268 269 #include <sys/selinfo.h> 270 271 /* 272 * Per-controller structure. 273 */ 274 struct aac_softc 275 { 276 /* bus connections */ 277 device_t aac_dev; 278 struct callout aac_watchdog; 279 struct resource *aac_regs_resource; /* register interface 280 * window */ 281 int aac_regs_rid; /* resource ID */ 282 bus_space_handle_t aac_bhandle; /* bus space handle */ 283 bus_space_tag_t aac_btag; /* bus space tag */ 284 bus_dma_tag_t aac_parent_dmat; /* parent DMA tag */ 285 bus_dma_tag_t aac_buffer_dmat; /* data buffer/command 286 * DMA tag */ 287 struct resource *aac_irq; /* interrupt */ 288 int aac_irq_rid; 289 void *aac_intr; /* interrupt handle */ 290 291 /* controller features, limits and status */ 292 int aac_state; 293 #define AAC_STATE_SUSPEND (1<<0) 294 #define AAC_STATE_OPEN (1<<1) 295 #define AAC_STATE_INTERRUPTS_ON (1<<2) 296 #define AAC_STATE_AIF_SLEEPER (1<<3) 297 struct FsaRevision aac_revision; 298 299 /* controller hardware interface */ 300 int aac_hwif; 301 #define AAC_HWIF_I960RX 0 302 #define AAC_HWIF_STRONGARM 1 303 #define AAC_HWIF_FALCON 2 304 #define AAC_HWIF_UNKNOWN -1 305 bus_dma_tag_t aac_common_dmat; /* common structure 306 * DMA tag */ 307 bus_dmamap_t aac_common_dmamap; /* common structure 308 * DMA map */ 309 struct aac_common *aac_common; 310 u_int32_t aac_common_busaddr; 311 struct aac_interface aac_if; 312 313 /* command/fib resources */ 314 bus_dma_tag_t aac_fib_dmat; /* DMA tag for allocing FIBs */ 315 struct aac_fib *aac_fibs; 316 bus_dmamap_t aac_fibmap; 317 u_int32_t aac_fibphys; 318 struct aac_command aac_command[AAC_FIB_COUNT]; 319 320 /* command management */ 321 TAILQ_HEAD(,aac_command) aac_free; /* command structures 322 * available for reuse */ 323 TAILQ_HEAD(,aac_command) aac_ready; /* commands on hold for 324 * controller resources */ 325 TAILQ_HEAD(,aac_command) aac_busy; 326 TAILQ_HEAD(,aac_command) aac_complete; /* commands which have been 327 * returned by the controller */ 328 struct bio_queue_head aac_bioq; 329 struct aac_queue_table *aac_queues; 330 struct aac_queue_entry *aac_qentries[AAC_QUEUE_COUNT]; 331 332 struct aac_qstat aac_qstat[AACQ_COUNT]; /* queue statistics */ 333 334 /* connected containters */ 335 struct aac_container_tq aac_container_tqh; 336 aac_lock_t aac_container_lock; 337 338 /* Protect the sync fib */ 339 #define AAC_SYNC_LOCK_FORCE (1 << 0) 340 aac_lock_t aac_sync_lock; 341 342 /* delayed activity infrastructure */ 343 #if defined(__FreeBSD__) && __FreeBSD_version >= 500005 344 struct task aac_task_complete; /* deferred-completion 345 * task */ 346 #endif 347 struct intr_config_hook aac_ich; 348 349 /* management interface */ 350 cdev_t aac_dev_t; 351 aac_lock_t aac_aifq_lock; 352 struct aac_aif_command aac_aifq[AAC_AIFQ_LENGTH]; 353 int aac_aifq_head; 354 int aac_aifq_tail; 355 struct selinfo rcv_select; 356 struct thread *aifthread; 357 int aifflags; 358 #define AAC_AIFFLAGS_RUNNING (1 << 0) 359 #define AAC_AIFFLAGS_PENDING (1 << 1) 360 #define AAC_AIFFLAGS_EXIT (1 << 2) 361 #define AAC_AIFFLAGS_EXITED (1 << 3) 362 u_int32_t flags; 363 #define AAC_FLAGS_PERC2QC (1 << 0) 364 #define AAC_FLAGS_ENABLE_CAM (1 << 1) /* No SCSI passthrough */ 365 #define AAC_FLAGS_CAM_NORESET (1 << 2) /* Fake SCSI resets */ 366 #define AAC_FLAGS_CAM_PASSONLY (1 << 3) /* Only create pass devices */ 367 #define AAC_FLAGS_4GB_WINDOW (1 << 5) /* Device can access host mem 368 * 2GB-4GB range */ 369 #define AAC_FLAGS_NO4GB (1 << 6) /* Can't access host mem >2GB */ 370 #define AAC_FLAGS_256FIBS (1 << 7) /* Can only do 256 commands */ 371 372 u_int32_t supported_options; 373 u_int32_t scsi_method_id; 374 }; 375 376 377 /* 378 * Public functions 379 */ 380 extern void aac_free(struct aac_softc *sc); 381 extern int aac_attach(struct aac_softc *sc); 382 extern int aac_detach(device_t dev); 383 extern int aac_shutdown(device_t dev); 384 extern int aac_suspend(device_t dev); 385 extern int aac_resume(device_t dev); 386 extern void aac_intr(void *arg); 387 extern devclass_t aac_devclass; 388 extern void aac_submit_bio(struct aac_disk *ad, struct bio *bio); 389 extern void aac_biodone(struct bio *bio, const char *code); 390 extern int aac_dump_enqueue(struct aac_disk *ad, u_int64_t lba, 391 void *data, int nblks); 392 extern void aac_dump_complete(struct aac_softc *sc); 393 extern void aac_startio(struct aac_softc *sc); 394 extern int aac_alloc_command(struct aac_softc *sc, 395 struct aac_command **cmp); 396 extern void aac_release_command(struct aac_command *cm); 397 extern int aac_alloc_sync_fib(struct aac_softc *sc, 398 struct aac_fib **fib, int flags); 399 extern void aac_release_sync_fib(struct aac_softc *sc); 400 extern int aac_sync_fib(struct aac_softc *sc, u_int32_t command, 401 u_int32_t xferstate, struct aac_fib *fib, 402 u_int16_t datasize); 403 404 /* 405 * Debugging levels: 406 * 0 - quiet, only emit warnings 407 * 1 - noisy, emit major function points and things done 408 * 2 - extremely noisy, emit trace items in loops, etc. 409 */ 410 #ifdef AAC_DEBUG 411 # define debug(level, fmt, args...) \ 412 do { \ 413 if (level <=AAC_DEBUG) kprintf("%s: " fmt "\n", __func__ , ##args); \ 414 } while (0) 415 # define debug_called(level) \ 416 do { \ 417 if (level <= AAC_DEBUG) kprintf(__func__ ": called\n"); \ 418 } while (0) 419 420 extern void aac_print_queues(struct aac_softc *sc); 421 extern void aac_panic(struct aac_softc *sc, char *reason); 422 extern void aac_print_fib(struct aac_softc *sc, struct aac_fib *fib, 423 char *caller); 424 extern void aac_print_aif(struct aac_softc *sc, 425 struct aac_aif_command *aif); 426 427 # define AAC_PRINT_FIB(sc, fib) aac_print_fib(sc, fib, __func__) 428 429 #else 430 # define debug(level, fmt, args...) 431 # define debug_called(level) 432 433 # define aac_print_queues(sc) 434 # define aac_panic(sc, reason) 435 436 # define AAC_PRINT_FIB(sc, fib) 437 # define aac_print_aif(sc, aac_aif_command) 438 #endif 439 440 struct aac_code_lookup { 441 char *string; 442 u_int32_t code; 443 }; 444 445 /* 446 * Queue primitives for driver queues. 447 */ 448 #define AACQ_ADD(sc, qname) \ 449 do { \ 450 struct aac_qstat *qs; \ 451 \ 452 qs = &(sc)->aac_qstat[qname]; \ 453 \ 454 qs->q_length++; \ 455 if (qs->q_length > qs->q_max) \ 456 qs->q_max = qs->q_length; \ 457 } while (0) 458 459 #define AACQ_REMOVE(sc, qname) (sc)->aac_qstat[qname].q_length-- 460 #define AACQ_INIT(sc, qname) \ 461 do { \ 462 sc->aac_qstat[qname].q_length = 0; \ 463 sc->aac_qstat[qname].q_max = 0; \ 464 } while (0) 465 466 467 #define AACQ_COMMAND_QUEUE(name, index) \ 468 static __inline void \ 469 aac_initq_ ## name (struct aac_softc *sc) \ 470 { \ 471 TAILQ_INIT(&sc->aac_ ## name); \ 472 AACQ_INIT(sc, index); \ 473 } \ 474 static __inline void \ 475 aac_enqueue_ ## name (struct aac_command *cm) \ 476 { \ 477 crit_enter(); \ 478 if ((cm->cm_flags & AAC_ON_AACQ_MASK) != 0) { \ 479 kprintf("command %p is on another queue, flags = %#x\n", \ 480 cm, cm->cm_flags); \ 481 panic("command is on another queue"); \ 482 } \ 483 TAILQ_INSERT_TAIL(&cm->cm_sc->aac_ ## name, cm, cm_link); \ 484 cm->cm_flags |= AAC_ON_ ## index; \ 485 AACQ_ADD(cm->cm_sc, index); \ 486 crit_exit(); \ 487 } \ 488 static __inline void \ 489 aac_requeue_ ## name (struct aac_command *cm) \ 490 { \ 491 crit_enter(); \ 492 if ((cm->cm_flags & AAC_ON_AACQ_MASK) != 0) { \ 493 kprintf("command %p is on another queue, flags = %#x\n", \ 494 cm, cm->cm_flags); \ 495 panic("command is on another queue"); \ 496 } \ 497 TAILQ_INSERT_HEAD(&cm->cm_sc->aac_ ## name, cm, cm_link); \ 498 cm->cm_flags |= AAC_ON_ ## index; \ 499 AACQ_ADD(cm->cm_sc, index); \ 500 crit_exit(); \ 501 } \ 502 static __inline struct aac_command * \ 503 aac_dequeue_ ## name (struct aac_softc *sc) \ 504 { \ 505 struct aac_command *cm; \ 506 \ 507 crit_enter(); \ 508 if ((cm = TAILQ_FIRST(&sc->aac_ ## name)) != NULL) { \ 509 if ((cm->cm_flags & AAC_ON_ ## index) == 0) { \ 510 kprintf("command %p not in queue, flags = %#x, " \ 511 "bit = %#x\n", cm, cm->cm_flags, \ 512 AAC_ON_ ## index); \ 513 panic("command not in queue"); \ 514 } \ 515 TAILQ_REMOVE(&sc->aac_ ## name, cm, cm_link); \ 516 cm->cm_flags &= ~AAC_ON_ ## index; \ 517 AACQ_REMOVE(sc, index); \ 518 } \ 519 crit_exit(); \ 520 return(cm); \ 521 } \ 522 static __inline void \ 523 aac_remove_ ## name (struct aac_command *cm) \ 524 { \ 525 crit_enter(); \ 526 if ((cm->cm_flags & AAC_ON_ ## index) == 0) { \ 527 kprintf("command %p not in queue, flags = %#x, " \ 528 "bit = %#x\n", cm, cm->cm_flags, \ 529 AAC_ON_ ## index); \ 530 panic("command not in queue"); \ 531 } \ 532 TAILQ_REMOVE(&cm->cm_sc->aac_ ## name, cm, cm_link); \ 533 cm->cm_flags &= ~AAC_ON_ ## index; \ 534 AACQ_REMOVE(cm->cm_sc, index); \ 535 crit_exit(); \ 536 } \ 537 struct hack 538 539 AACQ_COMMAND_QUEUE(free, AACQ_FREE); 540 AACQ_COMMAND_QUEUE(ready, AACQ_READY); 541 AACQ_COMMAND_QUEUE(busy, AACQ_BUSY); 542 AACQ_COMMAND_QUEUE(complete, AACQ_COMPLETE); 543 544 /* 545 * outstanding bio queue 546 */ 547 static __inline void 548 aac_initq_bio(struct aac_softc *sc) 549 { 550 bioq_init(&sc->aac_bioq); 551 AACQ_INIT(sc, AACQ_BIO); 552 } 553 554 static __inline void 555 aac_enqueue_bio(struct aac_softc *sc, struct bio *bio) 556 { 557 crit_enter(); 558 bioq_insert_tail(&sc->aac_bioq, bio); 559 AACQ_ADD(sc, AACQ_BIO); 560 crit_exit(); 561 } 562 563 static __inline struct bio * 564 aac_dequeue_bio(struct aac_softc *sc) 565 { 566 struct bio *bio; 567 568 crit_enter(); 569 if ((bio = bioq_first(&sc->aac_bioq)) != NULL) { 570 bioq_remove(&sc->aac_bioq, bio); 571 AACQ_REMOVE(sc, AACQ_BIO); 572 } 573 crit_exit(); 574 return(bio); 575 } 576 577 static __inline void 578 aac_print_printf(struct aac_softc *sc) 579 { 580 /* 581 * XXX We have the ability to read the length of the kprintf string 582 * from out of the mailboxes. 583 */ 584 device_printf(sc->aac_dev, "**Monitor** %.*s", AAC_PRINTF_BUFSIZE, 585 sc->aac_common->ac_printf); 586 AAC_QNOTIFY(sc, AAC_DB_PRINTF); 587 } 588