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 1.2 2003/06/17 04:28:21 dillon Exp $ 31 */ 32 33 /* 34 * Driver Parameter Definitions 35 */ 36 37 /* 38 * The firmware interface allows for a 16-bit s/g list length. We limit 39 * ourselves to a reasonable maximum and ensure alignment. 40 */ 41 #define AAC_MAXSGENTRIES 64 /* max S/G entries, limit 65535 */ 42 43 /* 44 * We allocate a small set of FIBs for the adapter to use to send us messages. 45 */ 46 #define AAC_ADAPTER_FIBS 8 47 48 /* 49 * FIBs are allocated up-front, and the pool isn't grown. We should allocate 50 * enough here to let us keep the adapter busy without wasting large amounts 51 * of kernel memory. The current interface implementation limits us to 512 52 * FIBs queued for the adapter at any one time. 53 */ 54 #define AAC_FIB_COUNT 128 55 56 /* 57 * The controller reports status events in AIFs. We hang on to a number of 58 * these in order to pass them out to user-space management tools. 59 */ 60 #define AAC_AIFQ_LENGTH 64 61 62 /* 63 * Firmware messages are passed in the printf buffer. 64 */ 65 #define AAC_PRINTF_BUFSIZE 256 66 67 /* 68 * We wait this many seconds for the adapter to come ready if it is still 69 * booting 70 */ 71 #define AAC_BOOT_TIMEOUT (3 * 60) 72 73 /* 74 * Timeout for immediate commands. 75 */ 76 #define AAC_IMMEDIATE_TIMEOUT 30 /* seconds */ 77 78 /* 79 * Timeout for normal commands 80 */ 81 #define AAC_CMD_TIMEOUT 30 /* seconds */ 82 83 /* 84 * Rate at which we periodically check for timed out commands and kick the 85 * controller. 86 */ 87 #define AAC_PERIODIC_INTERVAL 20 /* seconds */ 88 89 /* 90 * Character device major numbers. 91 */ 92 #define AAC_DISK_MAJOR 200 93 94 /* 95 * Driver Variable Definitions 96 */ 97 98 #if __FreeBSD_version >= 500005 99 # include <sys/taskqueue.h> 100 #endif 101 102 /* 103 * Per-container data structure 104 */ 105 struct aac_container 106 { 107 struct aac_mntobj co_mntobj; 108 device_t co_disk; 109 int co_found; 110 TAILQ_ENTRY(aac_container) co_link; 111 }; 112 113 /* 114 * Per-disk structure 115 */ 116 struct aac_disk 117 { 118 device_t ad_dev; 119 dev_t ad_dev_t; 120 struct aac_softc *ad_controller; 121 struct aac_container *ad_container; 122 struct disk ad_disk; 123 struct devstat ad_stats; 124 struct disklabel ad_label; 125 int ad_flags; 126 #define AAC_DISK_OPEN (1<<0) 127 int ad_cylinders; 128 int ad_heads; 129 int ad_sectors; 130 u_int32_t ad_size; 131 int unit; 132 }; 133 134 /* 135 * Per-command control structure. 136 */ 137 struct aac_command 138 { 139 TAILQ_ENTRY(aac_command) cm_link; /* list linkage */ 140 141 struct aac_softc *cm_sc; /* controller that owns us */ 142 143 struct aac_fib *cm_fib; /* FIB associated with this 144 * command */ 145 u_int32_t cm_fibphys; /* bus address of the FIB */ 146 struct bio *cm_data; /* pointer to data in kernel 147 * space */ 148 u_int32_t cm_datalen; /* data length */ 149 bus_dmamap_t cm_datamap; /* DMA map for bio data */ 150 struct aac_sg_table *cm_sgtable; /* pointer to s/g table in 151 * command */ 152 int cm_flags; 153 #define AAC_CMD_MAPPED (1<<0) /* command has had its data 154 * mapped */ 155 #define AAC_CMD_DATAIN (1<<1) /* command involves data moving 156 * from controller to host */ 157 #define AAC_CMD_DATAOUT (1<<2) /* command involves data moving 158 * from host to controller */ 159 #define AAC_CMD_COMPLETED (1<<3) /* command has been completed */ 160 #define AAC_CMD_TIMEDOUT (1<<4) /* command taken too long */ 161 #define AAC_ON_AACQ_FREE (1<<5) 162 #define AAC_ON_AACQ_READY (1<<6) 163 #define AAC_ON_AACQ_BUSY (1<<7) 164 #define AAC_ON_AACQ_COMPLETE (1<<8) 165 #define AAC_ON_AACQ_MASK ((1<<5)|(1<<6)|(1<<7)|(1<<8)) 166 167 void (* cm_complete)(struct aac_command *cm); 168 void *cm_private; 169 time_t cm_timestamp; /* command creation time */ 170 int cm_queue; 171 }; 172 173 /* 174 * We gather a number of adapter-visible items into a single structure. 175 * 176 * The ordering of this strucure may be important; we copy the Linux driver: 177 * 178 * Adapter FIBs 179 * Init struct 180 * Queue headers (Comm Area) 181 * Printf buffer 182 * 183 * In addition, we add: 184 * Sync Fib 185 */ 186 struct aac_common { 187 /* fibs for the controller to send us messages */ 188 struct aac_fib ac_fibs[AAC_ADAPTER_FIBS]; 189 190 /* the init structure */ 191 struct aac_adapter_init ac_init; 192 193 /* arena within which the queue structures are kept */ 194 u_int8_t ac_qbuf[sizeof(struct aac_queue_table) + 195 AAC_QUEUE_ALIGN]; 196 197 /* buffer for text messages from the controller */ 198 char ac_printf[AAC_PRINTF_BUFSIZE]; 199 200 /* fib for synchronous commands */ 201 struct aac_fib ac_sync_fib; 202 }; 203 204 /* 205 * Interface operations 206 */ 207 struct aac_interface 208 { 209 int (*aif_get_fwstatus)(struct aac_softc *sc); 210 void (*aif_qnotify)(struct aac_softc *sc, int qbit); 211 int (*aif_get_istatus)(struct aac_softc *sc); 212 void (*aif_clr_istatus)(struct aac_softc *sc, int mask); 213 void (*aif_set_mailbox)(struct aac_softc *sc, u_int32_t command, 214 u_int32_t arg0, u_int32_t arg1, 215 u_int32_t arg2, u_int32_t arg3); 216 int (*aif_get_mailbox)(struct aac_softc *sc, int mb); 217 void (*aif_set_interrupts)(struct aac_softc *sc, int enable); 218 }; 219 extern struct aac_interface aac_rx_interface; 220 extern struct aac_interface aac_sa_interface; 221 extern struct aac_interface aac_fa_interface; 222 223 #define AAC_GET_FWSTATUS(sc) ((sc)->aac_if.aif_get_fwstatus((sc))) 224 #define AAC_QNOTIFY(sc, qbit) ((sc)->aac_if.aif_qnotify((sc), (qbit))) 225 #define AAC_GET_ISTATUS(sc) ((sc)->aac_if.aif_get_istatus((sc))) 226 #define AAC_CLEAR_ISTATUS(sc, mask) ((sc)->aac_if.aif_clr_istatus((sc), \ 227 (mask))) 228 #define AAC_SET_MAILBOX(sc, command, arg0, arg1, arg2, arg3) \ 229 ((sc)->aac_if.aif_set_mailbox((sc), (command), (arg0), (arg1), (arg2), \ 230 (arg3))) 231 #define AAC_GET_MAILBOX(sc, mb) ((sc)->aac_if.aif_get_mailbox((sc), \ 232 (mb))) 233 #define AAC_MASK_INTERRUPTS(sc) ((sc)->aac_if.aif_set_interrupts((sc), \ 234 0)) 235 #define AAC_UNMASK_INTERRUPTS(sc) ((sc)->aac_if.aif_set_interrupts((sc), \ 236 1)) 237 238 #define AAC_SETREG4(sc, reg, val) bus_space_write_4(sc->aac_btag, \ 239 sc->aac_bhandle, reg, val) 240 #define AAC_GETREG4(sc, reg) bus_space_read_4 (sc->aac_btag, \ 241 sc->aac_bhandle, reg) 242 #define AAC_SETREG2(sc, reg, val) bus_space_write_2(sc->aac_btag, \ 243 sc->aac_bhandle, reg, val) 244 #define AAC_GETREG2(sc, reg) bus_space_read_2 (sc->aac_btag, \ 245 sc->aac_bhandle, reg) 246 #define AAC_SETREG1(sc, reg, val) bus_space_write_1(sc->aac_btag, \ 247 sc->aac_bhandle, reg, val) 248 #define AAC_GETREG1(sc, reg) bus_space_read_1 (sc->aac_btag, \ 249 sc->aac_bhandle, reg) 250 251 TAILQ_HEAD(aac_container_tq, aac_container); 252 253 /* Define the OS version specific locks */ 254 #if __FreeBSD_version >= 500005 255 #include <sys/lock.h> 256 #include <sys/mutex.h> 257 typedef struct mtx aac_lock_t; 258 #define AAC_LOCK_INIT(l, s) mtx_init(l, s, MTX_DEF) 259 #define AAC_LOCK_ACQUIRE(l) mtx_lock(l) 260 #define AAC_LOCK_RELEASE(l) mtx_unlock(l) 261 #else 262 typedef struct simplelock aac_lock_t; 263 #define AAC_LOCK_INIT(l, s) simple_lock_init(l) 264 #define AAC_LOCK_ACQUIRE(l) simple_lock(l) 265 #define AAC_LOCK_RELEASE(l) simple_unlock(l) 266 #endif 267 268 #if __FreeBSD_version >= 500005 269 #include <sys/selinfo.h> 270 #else 271 #include <sys/select.h> 272 #endif 273 274 /* 275 * Per-controller structure. 276 */ 277 struct aac_softc 278 { 279 /* bus connections */ 280 device_t aac_dev; 281 struct resource *aac_regs_resource; /* register interface 282 * window */ 283 int aac_regs_rid; /* resource ID */ 284 bus_space_handle_t aac_bhandle; /* bus space handle */ 285 bus_space_tag_t aac_btag; /* bus space tag */ 286 bus_dma_tag_t aac_parent_dmat; /* parent DMA tag */ 287 bus_dma_tag_t aac_buffer_dmat; /* data buffer/command 288 * DMA tag */ 289 struct resource *aac_irq; /* interrupt */ 290 int aac_irq_rid; 291 void *aac_intr; /* interrupt handle */ 292 293 /* controller features, limits and status */ 294 int aac_state; 295 #define AAC_STATE_SUSPEND (1<<0) 296 #define AAC_STATE_OPEN (1<<1) 297 #define AAC_STATE_INTERRUPTS_ON (1<<2) 298 #define AAC_STATE_AIF_SLEEPER (1<<3) 299 struct FsaRevision aac_revision; 300 301 /* controller hardware interface */ 302 int aac_hwif; 303 #define AAC_HWIF_I960RX 0 304 #define AAC_HWIF_STRONGARM 1 305 #define AAC_HWIF_FALCON 2 306 #define AAC_HWIF_UNKNOWN -1 307 bus_dma_tag_t aac_common_dmat; /* common structure 308 * DMA tag */ 309 bus_dmamap_t aac_common_dmamap; /* common structure 310 * DMA map */ 311 struct aac_common *aac_common; 312 u_int32_t aac_common_busaddr; 313 struct aac_interface aac_if; 314 315 /* command/fib resources */ 316 bus_dma_tag_t aac_fib_dmat; /* DMA tag for allocing FIBs */ 317 struct aac_fib *aac_fibs; 318 bus_dmamap_t aac_fibmap; 319 u_int32_t aac_fibphys; 320 struct aac_command aac_command[AAC_FIB_COUNT]; 321 322 /* command management */ 323 TAILQ_HEAD(,aac_command) aac_free; /* command structures 324 * available for reuse */ 325 TAILQ_HEAD(,aac_command) aac_ready; /* commands on hold for 326 * controller resources */ 327 TAILQ_HEAD(,aac_command) aac_busy; 328 TAILQ_HEAD(,aac_command) aac_complete; /* commands which have been 329 * returned by the controller */ 330 struct bio_queue_head aac_bioq; 331 struct aac_queue_table *aac_queues; 332 struct aac_queue_entry *aac_qentries[AAC_QUEUE_COUNT]; 333 334 struct aac_qstat aac_qstat[AACQ_COUNT]; /* queue statistics */ 335 336 /* connected containters */ 337 struct aac_container_tq aac_container_tqh; 338 aac_lock_t aac_container_lock; 339 340 /* Protect the sync fib */ 341 #define AAC_SYNC_LOCK_FORCE (1 << 0) 342 aac_lock_t aac_sync_lock; 343 344 /* delayed activity infrastructure */ 345 #if __FreeBSD_version >= 500005 346 struct task aac_task_complete; /* deferred-completion 347 * task */ 348 #endif 349 struct intr_config_hook aac_ich; 350 351 /* management interface */ 352 dev_t aac_dev_t; 353 aac_lock_t aac_aifq_lock; 354 struct aac_aif_command aac_aifq[AAC_AIFQ_LENGTH]; 355 int aac_aifq_head; 356 int aac_aifq_tail; 357 struct selinfo rcv_select; 358 struct proc *aifthread; 359 int aifflags; 360 #define AAC_AIFFLAGS_RUNNING (1 << 0) 361 #define AAC_AIFFLAGS_PENDING (1 << 1) 362 #define AAC_AIFFLAGS_EXIT (1 << 2) 363 #define AAC_AIFFLAGS_EXITED (1 << 3) 364 u_int32_t flags; 365 #define AAC_FLAGS_PERC2QC (1 << 0) 366 #define AAC_FLAGS_ENABLE_CAM (1 << 1) /* No SCSI passthrough */ 367 #define AAC_FLAGS_CAM_NORESET (1 << 2) /* Fake SCSI resets */ 368 #define AAC_FLAGS_CAM_PASSONLY (1 << 3) /* Only create pass devices */ 369 #define AAC_FLAGS_4GB_WINDOW (1 << 5) /* Device can access host mem 370 * 2GB-4GB range */ 371 #define AAC_FLAGS_NO4GB (1 << 6) /* Can't access host mem >2GB */ 372 #define AAC_FLAGS_256FIBS (1 << 7) /* Can only do 256 commands */ 373 374 u_int32_t supported_options; 375 u_int32_t scsi_method_id; 376 }; 377 378 379 /* 380 * Public functions 381 */ 382 extern void aac_free(struct aac_softc *sc); 383 extern int aac_attach(struct aac_softc *sc); 384 extern int aac_detach(device_t dev); 385 extern int aac_shutdown(device_t dev); 386 extern int aac_suspend(device_t dev); 387 extern int aac_resume(device_t dev); 388 extern void aac_intr(void *arg); 389 extern devclass_t aac_devclass; 390 extern void aac_submit_bio(struct bio *bp); 391 extern void aac_biodone(struct bio *bp); 392 extern int aac_dump_enqueue(struct aac_disk *ad, u_int32_t lba, 393 void *data, int nblks); 394 extern void aac_dump_complete(struct aac_softc *sc); 395 extern void aac_startio(struct aac_softc *sc); 396 extern int aac_alloc_command(struct aac_softc *sc, 397 struct aac_command **cmp); 398 extern void aac_release_command(struct aac_command *cm); 399 extern int aac_alloc_sync_fib(struct aac_softc *sc, 400 struct aac_fib **fib, int flags); 401 extern void aac_release_sync_fib(struct aac_softc *sc); 402 extern int aac_sync_fib(struct aac_softc *sc, u_int32_t command, 403 u_int32_t xferstate, struct aac_fib *fib, 404 u_int16_t datasize); 405 406 /* 407 * Debugging levels: 408 * 0 - quiet, only emit warnings 409 * 1 - noisy, emit major function points and things done 410 * 2 - extremely noisy, emit trace items in loops, etc. 411 */ 412 #ifdef AAC_DEBUG 413 # define debug(level, fmt, args...) \ 414 do { \ 415 if (level <=AAC_DEBUG) printf("%s: " fmt "\n", __FUNCTION__ , ##args); \ 416 } while (0) 417 # define debug_called(level) \ 418 do { \ 419 if (level <= AAC_DEBUG) printf(__FUNCTION__ ": called\n"); \ 420 } while (0) 421 422 extern void aac_print_queues(struct aac_softc *sc); 423 extern void aac_panic(struct aac_softc *sc, char *reason); 424 extern void aac_print_fib(struct aac_softc *sc, struct aac_fib *fib, 425 char *caller); 426 extern void aac_print_aif(struct aac_softc *sc, 427 struct aac_aif_command *aif); 428 429 # define AAC_PRINT_FIB(sc, fib) aac_print_fib(sc, fib, __FUNCTION__) 430 431 #else 432 # define debug(level, fmt, args...) 433 # define debug_called(level) 434 435 # define aac_print_queues(sc) 436 # define aac_panic(sc, reason) 437 438 # define AAC_PRINT_FIB(sc, fib) 439 # define aac_print_aif(sc, aac_aif_command) 440 #endif 441 442 struct aac_code_lookup { 443 char *string; 444 u_int32_t code; 445 }; 446 447 /* 448 * Queue primitives for driver queues. 449 */ 450 #define AACQ_ADD(sc, qname) \ 451 do { \ 452 struct aac_qstat *qs; \ 453 \ 454 qs = &(sc)->aac_qstat[qname]; \ 455 \ 456 qs->q_length++; \ 457 if (qs->q_length > qs->q_max) \ 458 qs->q_max = qs->q_length; \ 459 } while (0) 460 461 #define AACQ_REMOVE(sc, qname) (sc)->aac_qstat[qname].q_length-- 462 #define AACQ_INIT(sc, qname) \ 463 do { \ 464 sc->aac_qstat[qname].q_length = 0; \ 465 sc->aac_qstat[qname].q_max = 0; \ 466 } while (0) 467 468 469 #define AACQ_COMMAND_QUEUE(name, index) \ 470 static __inline void \ 471 aac_initq_ ## name (struct aac_softc *sc) \ 472 { \ 473 TAILQ_INIT(&sc->aac_ ## name); \ 474 AACQ_INIT(sc, index); \ 475 } \ 476 static __inline void \ 477 aac_enqueue_ ## name (struct aac_command *cm) \ 478 { \ 479 int s; \ 480 \ 481 s = splbio(); \ 482 if ((cm->cm_flags & AAC_ON_AACQ_MASK) != 0) { \ 483 printf("command %p is on another queue, flags = %#x\n", \ 484 cm, cm->cm_flags); \ 485 panic("command is on another queue"); \ 486 } \ 487 TAILQ_INSERT_TAIL(&cm->cm_sc->aac_ ## name, cm, cm_link); \ 488 cm->cm_flags |= AAC_ON_ ## index; \ 489 AACQ_ADD(cm->cm_sc, index); \ 490 splx(s); \ 491 } \ 492 static __inline void \ 493 aac_requeue_ ## name (struct aac_command *cm) \ 494 { \ 495 int s; \ 496 \ 497 s = splbio(); \ 498 if ((cm->cm_flags & AAC_ON_AACQ_MASK) != 0) { \ 499 printf("command %p is on another queue, flags = %#x\n", \ 500 cm, cm->cm_flags); \ 501 panic("command is on another queue"); \ 502 } \ 503 TAILQ_INSERT_HEAD(&cm->cm_sc->aac_ ## name, cm, cm_link); \ 504 cm->cm_flags |= AAC_ON_ ## index; \ 505 AACQ_ADD(cm->cm_sc, index); \ 506 splx(s); \ 507 } \ 508 static __inline struct aac_command * \ 509 aac_dequeue_ ## name (struct aac_softc *sc) \ 510 { \ 511 struct aac_command *cm; \ 512 int s; \ 513 \ 514 s = splbio(); \ 515 if ((cm = TAILQ_FIRST(&sc->aac_ ## name)) != NULL) { \ 516 if ((cm->cm_flags & AAC_ON_ ## index) == 0) { \ 517 printf("command %p not in queue, flags = %#x, " \ 518 "bit = %#x\n", cm, cm->cm_flags, \ 519 AAC_ON_ ## index); \ 520 panic("command not in queue"); \ 521 } \ 522 TAILQ_REMOVE(&sc->aac_ ## name, cm, cm_link); \ 523 cm->cm_flags &= ~AAC_ON_ ## index; \ 524 AACQ_REMOVE(sc, index); \ 525 } \ 526 splx(s); \ 527 return(cm); \ 528 } \ 529 static __inline void \ 530 aac_remove_ ## name (struct aac_command *cm) \ 531 { \ 532 int s; \ 533 \ 534 s = splbio(); \ 535 if ((cm->cm_flags & AAC_ON_ ## index) == 0) { \ 536 printf("command %p not in queue, flags = %#x, " \ 537 "bit = %#x\n", cm, cm->cm_flags, \ 538 AAC_ON_ ## index); \ 539 panic("command not in queue"); \ 540 } \ 541 TAILQ_REMOVE(&cm->cm_sc->aac_ ## name, cm, cm_link); \ 542 cm->cm_flags &= ~AAC_ON_ ## index; \ 543 AACQ_REMOVE(cm->cm_sc, index); \ 544 splx(s); \ 545 } \ 546 struct hack 547 548 AACQ_COMMAND_QUEUE(free, AACQ_FREE); 549 AACQ_COMMAND_QUEUE(ready, AACQ_READY); 550 AACQ_COMMAND_QUEUE(busy, AACQ_BUSY); 551 AACQ_COMMAND_QUEUE(complete, AACQ_COMPLETE); 552 553 /* 554 * outstanding bio queue 555 */ 556 static __inline void 557 aac_initq_bio(struct aac_softc *sc) 558 { 559 bioq_init(&sc->aac_bioq); 560 AACQ_INIT(sc, AACQ_BIO); 561 } 562 563 static __inline void 564 aac_enqueue_bio(struct aac_softc *sc, struct bio *bp) 565 { 566 int s; 567 568 s = splbio(); 569 bioq_insert_tail(&sc->aac_bioq, bp); 570 AACQ_ADD(sc, AACQ_BIO); 571 splx(s); 572 } 573 574 static __inline struct bio * 575 aac_dequeue_bio(struct aac_softc *sc) 576 { 577 int s; 578 struct bio *bp; 579 580 s = splbio(); 581 if ((bp = bioq_first(&sc->aac_bioq)) != NULL) { 582 bioq_remove(&sc->aac_bioq, bp); 583 AACQ_REMOVE(sc, AACQ_BIO); 584 } 585 splx(s); 586 return(bp); 587 } 588 589 static __inline void 590 aac_print_printf(struct aac_softc *sc) 591 { 592 /* 593 * XXX We have the ability to read the length of the printf string 594 * from out of the mailboxes. 595 */ 596 device_printf(sc->aac_dev, "**Monitor** %.*s", AAC_PRINTF_BUFSIZE, 597 sc->aac_common->ac_printf); 598 AAC_QNOTIFY(sc, AAC_DB_PRINTF); 599 } 600