aacvar.h revision 1.8
1/* $OpenBSD: aacvar.h,v 1.8 2009/02/16 21:19:06 miod Exp $ */ 2 3/*- 4 * Copyright (c) 2000 Michael Smith 5 * Copyright (c) 2000 BSDi 6 * Copyright (c) 2000 Niklas Hallqvist 7 * All rights reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28 * SUCH DAMAGE. 29 * 30 * $FreeBSD: /c/ncvs/src/sys/dev/aac/aacvar.h,v 1.1 2000/09/13 03:20:34 msmith Exp $ 31 */ 32 33/* 34 * This driver would not have rewritten for OpenBSD if it was not for the 35 * hardware donation from Nocom. I want to thank them for their support. 36 * Of course, credit should go to Mike Smith for the original work he did 37 * in the FreeBSD driver where I found lots of inspiration. 38 * - Niklas Hallqvist 39 */ 40 41/* compatability */ 42#define time_second (mono_time.tv_sec) 43 44/* Debugging */ 45// #define AAC_DEBUG 0x0 46 47#ifdef AAC_DEBUG 48#define AAC_DPRINTF(mask, args) if (aac_debug & (mask)) printf args 49#define AAC_D_INTR 0x001 50#define AAC_D_MISC 0x002 51#define AAC_D_CMD 0x004 52#define AAC_D_QUEUE 0x008 53#define AAC_D_IO 0x010 54#define AAC_D_IOCTL 0x020 55#define AAC_D_LOCK 0x040 56#define AAC_D_THREAD 0x080 57#define AAC_D_FIB 0x100 58extern int aac_debug; 59 60#define AAC_PRINT_FIB(sc, fib) do { \ 61 if (aac_debug & AAC_D_FIB) \ 62 aac_print_fib((sc), (fib), __func__); \ 63} while (0) 64#else 65#define AAC_DPRINTF(mask, args) 66#define AAC_PRINT_FIB(sc, fib) 67#endif 68 69struct aac_code_lookup { 70 char *string; 71 u_int32_t code; 72}; 73 74struct aac_softc; 75 76/* 77 * We allocate a small set of FIBs for the adapter to use to send us messages. 78 */ 79#define AAC_ADAPTER_FIBS 8 80 81/* 82 * FIBs are allocated in page-size chunks and can grow up to the 512 83 * limit imposed by the hardware. 84 */ 85#define AAC_FIB_COUNT (PAGE_SIZE/sizeof(struct aac_fib)) 86#define AAC_MAX_FIBS 512 87#define AAC_FIBMAP_SIZE (PAGE_SIZE) 88 89/* 90 * The controller reports status events in AIFs. We hang on to a number of 91 * these in order to pass them out to user-space management tools. 92 */ 93#define AAC_AIFQ_LENGTH 64 94 95/* 96 * Firmware messages are passed in the printf buffer. 97 */ 98#define AAC_PRINTF_BUFSIZE 256 99 100/* 101 * We wait this many seconds for the adapter to come ready if it is still 102 * booting. 103 */ 104#define AAC_BOOT_TIMEOUT (3 * 60) 105 106/* 107 * Timeout for immediate commands. 108 */ 109#define AAC_IMMEDIATE_TIMEOUT 30 110 111/* 112 * Timeout for normal commands 113 */ 114#define AAC_CMD_TIMEOUT 30 /* seconds */ 115 116/* 117 * Rate at which we periodically check for timed out commands and kick the 118 * controller. 119 */ 120#define AAC_PERIODIC_INTERVAL 20 /* seconds */ 121 122/* 123 * Wait this long for a lost interrupt to get detected. 124 */ 125#define AAC_WATCH_TIMEOUT 10000 /* 10000 * 1ms = 10s */ 126 127/* 128 * Delay 20ms after the qnotify in sync operations. Experimentally deduced. 129 */ 130#define AAC_SYNC_DELAY 20000 131 132/* 133 * The firmware interface allows for a 16-bit s/g list length. We limit 134 * ourselves to a reasonable maximum and ensure alignment. 135 */ 136#define AAC_MAXSGENTRIES 64 /* max S/G entries, limit 65535 */ 137 138/* 139 * We gather a number of adapter-visible items into a single structure. 140 * 141 * The ordering of this structure may be important; we copy the Linux driver: 142 * 143 * Adapter FIBs 144 * Init struct 145 * Queue headers (Comm Area) 146 * Printf buffer 147 * 148 * In addition, we add: 149 * Sync Fib 150 */ 151struct aac_common { 152 /* fibs for the controller to send us messages */ 153 struct aac_fib ac_fibs[AAC_ADAPTER_FIBS]; 154 155 /* the init structure */ 156 struct aac_adapter_init ac_init; 157 158 /* arena within which the queue structures are kept */ 159 u_int8_t ac_qbuf[sizeof(struct aac_queue_table) + AAC_QUEUE_ALIGN]; 160 161 /* buffer for text messages from the controller */ 162 char ac_printf[AAC_PRINTF_BUFSIZE]; 163 164 /* fib for synchronous commands */ 165 struct aac_fib ac_sync_fib; 166}; 167#define AAC_COMMON_ALLOCSIZE (8192 + sizeof(struct aac_common)) 168 169/* 170 * Interface operations 171 */ 172struct aac_interface { 173 int (*aif_get_fwstatus)(struct aac_softc *); 174 void (*aif_qnotify)(struct aac_softc *, int); 175 int (*aif_get_istatus)(struct aac_softc *); 176 void (*aif_set_istatus)(struct aac_softc *, int); 177 void (*aif_set_mailbox)(struct aac_softc *, u_int32_t, 178 u_int32_t, u_int32_t, u_int32_t, u_int32_t); 179 int (*aif_get_mailbox)(struct aac_softc *, int mb); 180 void (*aif_set_interrupts)(struct aac_softc *, int); 181}; 182extern struct aac_interface aac_fa_interface; 183extern struct aac_interface aac_sa_interface; 184extern struct aac_interface aac_rx_interface; 185extern struct aac_interface aac_rkt_interface; 186 187#define AAC_GET_FWSTATUS(sc) ((sc)->aac_if.aif_get_fwstatus(sc)) 188#define AAC_QNOTIFY(sc, qbit) \ 189 ((sc)->aac_if.aif_qnotify((sc), (qbit))) 190#define AAC_GET_ISTATUS(sc) ((sc)->aac_if.aif_get_istatus(sc)) 191#define AAC_CLEAR_ISTATUS(sc, mask) \ 192 ((sc)->aac_if.aif_set_istatus((sc), (mask))) 193#define AAC_SET_MAILBOX(sc, command, arg0, arg1, arg2, arg3) \ 194 do { \ 195 ((sc)->aac_if.aif_set_mailbox((sc), (command), (arg0), \ 196 (arg1), (arg2), (arg3))); \ 197 } while(0) 198#define AAC_GET_MAILBOX(sc, mb) \ 199 ((sc)->aac_if.aif_get_mailbox(sc, (mb))) 200#define AAC_MASK_INTERRUPTS(sc) \ 201 ((sc)->aac_if.aif_set_interrupts((sc), 0)) 202#define AAC_UNMASK_INTERRUPTS(sc) \ 203 ((sc)->aac_if.aif_set_interrupts((sc), 1)) 204 205#define AAC_SETREG4(sc, reg, val) \ 206 bus_space_write_4((sc)->aac_memt, (sc)->aac_memh, (reg), (val)) 207#define AAC_GETREG4(sc, reg) \ 208 bus_space_read_4((sc)->aac_memt, (sc)->aac_memh, (reg)) 209#define AAC_SETREG2(sc, reg, val) \ 210 bus_space_write_2((sc)->aac_memt, (sc)->aac_memh, (reg), (val)) 211#define AAC_GETREG2(sc, reg) \ 212 bus_space_read_2((sc)->aac_memt, (sc)->aac_memh, (reg)) 213#define AAC_SETREG1(sc, reg, val) \ 214 bus_space_write_1((sc)->aac_memt, (sc)->aac_memh, (reg), (val)) 215#define AAC_GETREG1(sc, reg) \ 216 bus_space_read_1((sc)->aac_memt, (sc)->aac_memh, (reg)) 217 218/* Define the OS version specific locks */ 219typedef struct rwlock aac_lock_t; 220#define AAC_LOCK_INIT(l, s) do { \ 221 rw_init((l), "aaclock"); \ 222 AAC_DPRINTF(AAC_D_LOCK, ("%s: init lock @%s: %d\n", \ 223 sc->aac_dev.dv_xname, __FUNCTION__, __LINE__)); \ 224} while (0) 225 226#define AAC_LOCK_ACQUIRE(l) do { \ 227 AAC_DPRINTF(AAC_D_LOCK, ("%s: lock @%s: %d\n", \ 228 sc->aac_dev.dv_xname, __FUNCTION__, __LINE__)); \ 229 rw_enter_write((l)); \ 230} while (0) 231 232#define AAC_LOCK_RELEASE(l) do { \ 233 rw_exit_write((l)); \ 234 AAC_DPRINTF(AAC_D_LOCK, ("%s: unlock @%s: %d\n", \ 235 sc->aac_dev.dv_xname, __FUNCTION__, __LINE__)); \ 236} while (0) 237 238/* 239 * Per-container data structure 240 */ 241struct aac_container 242{ 243 struct aac_mntobj co_mntobj; 244 int co_found; 245 TAILQ_ENTRY(aac_container) co_link; 246}; 247 248/* 249 * A command contol block, one for each corresponding command index of the 250 * controller. 251 */ 252struct aac_command 253{ 254 TAILQ_ENTRY(aac_command) cm_link; /* list linkage */ 255 256 struct aac_softc *cm_sc; /* controller that owns us */ 257 258 struct aac_fib *cm_fib; /* FIB for this command */ 259 bus_addr_t cm_fibphys; /* bus address of the FIB */ 260 void *cm_data; 261 size_t cm_datalen; 262 bus_dmamap_t cm_datamap; 263 struct aac_sg_table *cm_sgtable; /* pointer to s/g table */ 264 265 u_int cm_flags; 266#define AAC_CMD_MAPPED (1<<0) /* command has had its data mapped */ 267#define AAC_CMD_DATAIN (1<<1) /* command involves data moving 268 * from controller to host */ 269#define AAC_CMD_DATAOUT (1<<2) /* command involves data moving 270 * from host to controller */ 271#define AAC_CMD_COMPLETED (1<<3) /* command has been completed */ 272#define AAC_CMD_TIMEDOUT (1<<4) /* command taken too long */ 273#define AAC_ON_AACQ_FREE (1<<5) 274#define AAC_ON_AACQ_READY (1<<6) 275#define AAC_ON_AACQ_BUSY (1<<7) 276#define AAC_ON_AACQ_BIO (1<<8) 277#define AAC_ON_AACQ_MASK ((1<<5)|(1<<6)|(1<<7)|(1<<8)) 278#define AAC_QUEUE_FRZN (1<<9) /* Freeze the processing of 279 * commands on the queue. */ 280#define AAC_ACF_WATCHDOG (1<<10) 281 282 void (*cm_complete)(struct aac_command *); 283 void *cm_private; 284 u_int32_t cm_blkno; 285 u_int32_t cm_bcount; 286 time_t cm_timestamp; /* command creation time */ 287 int cm_queue; 288 int cm_index; 289}; 290 291struct aac_fibmap { 292 TAILQ_ENTRY(aac_fibmap) fm_link; /* list linkage */ 293 struct aac_fib *aac_fibs; 294 bus_dmamap_t aac_fibmap; 295 bus_dma_segment_t aac_seg; 296 int aac_nsegs; 297 struct aac_command *aac_commands; 298}; 299 300/* 301 * Command queue statistics 302 */ 303#define AACQ_FREE 0 304#define AACQ_BIO 1 305#define AACQ_READY 2 306#define AACQ_BUSY 3 307#define AACQ_COUNT 4 /* total number of queues */ 308 309struct aac_qstat { 310 u_int32_t q_length; 311 u_int32_t q_max; 312}; 313 314/* 315 * Per-controller structure. 316 */ 317struct aac_softc 318{ 319 struct device aac_dev; 320 void *aac_ih; 321 struct scsi_link aac_link; /* Virtual SCSI bus for cache devs */ 322 323 bus_space_tag_t aac_memt; 324 bus_space_handle_t aac_memh; 325 bus_dma_tag_t aac_dmat; /* parent DMA tag */ 326 327 /* controller features, limits and status */ 328 int aac_state; 329#define AAC_STATE_SUSPEND (1<<0) 330#define AAC_STATE_OPEN (1<<1) 331#define AAC_STATE_INTERRUPTS_ON (1<<2) 332#define AAC_STATE_AIF_SLEEPER (1<<3) 333 struct FsaRevision aac_revision; 334 335 int aac_hwif; /* controller hardware interface */ 336#define AAC_HWIF_I960RX 0 337#define AAC_HWIF_STRONGARM 1 338#define AAC_HWIF_FALCON 2 339#define AAC_HWIF_RKT 3 340#define AAC_HWIF_UNKNOWN -1 341 342 struct aac_common *aac_common; 343 bus_dmamap_t aac_common_map; 344 u_int32_t aac_common_busaddr; 345 struct aac_interface aac_if; 346 347 /* command/fib resources */ 348 TAILQ_HEAD(,aac_fibmap) aac_fibmap_tqh; 349 u_int total_fibs; 350 struct aac_command *aac_commands; 351 352 /* command management */ 353 TAILQ_HEAD(,aac_command) aac_free; /* command structures 354 * available for reuse */ 355 TAILQ_HEAD(,aac_command) aac_ready; /* commands on hold for 356 * controller resources */ 357 TAILQ_HEAD(,aac_command) aac_busy; 358 TAILQ_HEAD(,aac_command) aac_bio; 359 360 /* command management */ 361 struct aac_queue_table *aac_queues; 362 struct aac_queue_entry *aac_qentries[AAC_QUEUE_COUNT]; 363 364 struct aac_qstat aac_qstat[AACQ_COUNT]; /* queue statistics */ 365 366 /* connected containters */ 367 TAILQ_HEAD(,aac_container) aac_container_tqh; 368 aac_lock_t aac_container_lock; 369 370 /* Protect the sync fib */ 371#define AAC_SYNC_LOCK_FORCE (1 << 0) 372 aac_lock_t aac_sync_lock; 373 374 aac_lock_t aac_io_lock; 375 376 struct { 377 u_int8_t hd_present; 378 u_int8_t hd_is_logdrv; 379 u_int8_t hd_is_arraydrv; 380 u_int8_t hd_is_master; 381 u_int8_t hd_is_parity; 382 u_int8_t hd_is_hotfix; 383 u_int8_t hd_master_no; 384 u_int8_t hd_lock; 385 u_int8_t hd_heads; 386 u_int8_t hd_secs; 387 u_int16_t hd_devtype; 388 u_int32_t hd_size; 389 u_int8_t hd_ldr_no; 390 u_int8_t hd_rw_attribs; 391 u_int32_t hd_start_sec; 392 } aac_hdr[AAC_MAX_CONTAINERS]; 393 int aac_container_count; 394 395 /* management interface */ 396 aac_lock_t aac_aifq_lock; 397 struct aac_aif_command aac_aifq[AAC_AIFQ_LENGTH]; 398 int aac_aifq_head; 399 int aac_aifq_tail; 400 struct selinfo aac_select; 401 struct proc *aifthread; 402 int aifflags; 403#define AAC_AIFFLAGS_RUNNING (1 << 0) 404#define AAC_AIFFLAGS_AIF (1 << 1) 405#define AAC_AIFFLAGS_EXIT (1 << 2) 406#define AAC_AIFFLAGS_EXITED (1 << 3) 407#define AAC_AIFFLAGS_COMPLETE (1 << 4) 408#define AAC_AIFFLAGS_PRINTF (1 << 5) 409#define AAC_AIFFLAGS_PENDING (AAC_AIFFLAGS_AIF | AAC_AIFFLAGS_COMPLETE | \ 410 AAC_AIFFLAGS_PRINTF) 411 412 u_int32_t flags; 413#define AAC_FLAGS_PERC2QC (1 << 0) 414#define AAC_FLAGS_ENABLE_CAM (1 << 1) /* No SCSI passthrough */ 415#define AAC_FLAGS_CAM_NORESET (1 << 2) /* Fake SCSI resets */ 416#define AAC_FLAGS_CAM_PASSONLY (1 << 3) /* Only create pass devices */ 417#define AAC_FLAGS_SG_64BIT (1 << 4) /* Use 64-bit S/G addresses */ 418#define AAC_FLAGS_4GB_WINDOW (1 << 5) /* Device can access host mem 419 * 2GB-4GB range */ 420#define AAC_FLAGS_NO4GB (1 << 6) /* Can't access host mem >2GB*/ 421#define AAC_FLAGS_256FIBS (1 << 7) /* Can only do 256 commands */ 422#define AAC_FLAGS_BROKEN_MEMMAP (1 << 8) /* Broken HostPhysMemPages */ 423 424 u_int32_t supported_options; 425 int aac_max_fibs; 426 void *aac_sdh; 427}; 428 429/* 430 * Public functions 431 */ 432extern int aac_wait_command(struct aac_command *, int); 433extern int aac_alloc_command(struct aac_softc *, struct aac_command **); 434extern void aac_release_command(struct aac_command *); 435extern int aac_alloc_sync_fib(struct aac_softc *, struct aac_fib **, int); 436extern void aac_release_sync_fib(struct aac_softc *); 437extern int aac_sync_fib(struct aac_softc *, u_int32_t, u_int32_t, 438 struct aac_fib *, u_int16_t); 439 440void aacminphys(struct buf *, struct scsi_link *); 441int aac_attach(struct aac_softc *); 442int aac_intr(void *); 443 444/* These all require correctly aligned buffers */ 445static __inline__ void aac_enc16(u_int8_t *, u_int16_t); 446static __inline__ void aac_enc32(u_int8_t *, u_int32_t); 447static __inline__ u_int16_t aac_dec16(u_int8_t *); 448static __inline__ u_int32_t aac_dec32(u_int8_t *); 449 450static __inline__ void 451aac_enc16(addr, value) 452 u_int8_t *addr; 453 u_int16_t value; 454{ 455 *(u_int16_t *)addr = htole16(value); 456} 457 458static __inline__ void 459aac_enc32(addr, value) 460 u_int8_t *addr; 461 u_int32_t value; 462{ 463 *(u_int32_t *)addr = htole32(value); 464} 465 466static __inline__ u_int16_t 467aac_dec16(addr) 468 u_int8_t *addr; 469{ 470 return letoh16(*(u_int16_t *)addr); 471} 472 473static __inline__ u_int32_t 474aac_dec32(addr) 475 u_int8_t *addr; 476{ 477 return letoh32(*(u_int32_t *)addr); 478} 479 480/* Declarations copied from aac.c */ 481#ifdef AAC_DEBUG 482void aac_print_fib(struct aac_softc *, struct aac_fib *, const char *); 483void aac_print_aif(struct aac_softc *, struct aac_aif_command *); 484#endif 485void aac_handle_aif(struct aac_softc *, struct aac_fib *); 486 487 488 489 490 491/* 492 * Queue primitives for driver queues. 493 */ 494#define AACQ_ADD(sc, qname) \ 495 do { \ 496 struct aac_qstat *qs; \ 497 \ 498 qs = &(sc)->aac_qstat[qname]; \ 499 \ 500 qs->q_length++; \ 501 if (qs->q_length > qs->q_max) \ 502 qs->q_max = qs->q_length; \ 503 } while (0) 504 505#define AACQ_REMOVE(sc, qname) (sc)->aac_qstat[qname].q_length-- 506#define AACQ_INIT(sc, qname) \ 507 do { \ 508 sc->aac_qstat[qname].q_length = 0; \ 509 sc->aac_qstat[qname].q_max = 0; \ 510 } while (0) 511 512 513#define AACQ_COMMAND_QUEUE(name, index) \ 514static __inline void \ 515aac_initq_ ## name (struct aac_softc *sc) \ 516{ \ 517 TAILQ_INIT(&sc->aac_ ## name); \ 518 AACQ_INIT(sc, index); \ 519} \ 520static __inline void \ 521aac_enqueue_ ## name (struct aac_command *cm) \ 522{ \ 523 AAC_DPRINTF(AAC_D_CMD, (": enqueue " #name)); \ 524 if ((cm->cm_flags & AAC_ON_AACQ_MASK) != 0) { \ 525 printf("command %p is on another queue, flags = %#x\n", \ 526 cm, cm->cm_flags); \ 527 panic("command is on another queue"); \ 528 } \ 529 TAILQ_INSERT_TAIL(&cm->cm_sc->aac_ ## name, cm, cm_link); \ 530 cm->cm_flags |= AAC_ON_ ## index; \ 531 AACQ_ADD(cm->cm_sc, index); \ 532} \ 533static __inline void \ 534aac_requeue_ ## name (struct aac_command *cm) \ 535{ \ 536 AAC_DPRINTF(AAC_D_CMD, (": requeue " #name)); \ 537 if ((cm->cm_flags & AAC_ON_AACQ_MASK) != 0) { \ 538 printf("command %p is on another queue, flags = %#x\n", \ 539 cm, cm->cm_flags); \ 540 panic("command is on another queue"); \ 541 } \ 542 TAILQ_INSERT_HEAD(&cm->cm_sc->aac_ ## name, cm, cm_link); \ 543 cm->cm_flags |= AAC_ON_ ## index; \ 544 AACQ_ADD(cm->cm_sc, index); \ 545} \ 546static __inline struct aac_command * \ 547aac_dequeue_ ## name (struct aac_softc *sc) \ 548{ \ 549 struct aac_command *cm; \ 550 \ 551 if ((cm = TAILQ_FIRST(&sc->aac_ ## name)) != NULL) { \ 552 AAC_DPRINTF(AAC_D_CMD, (": dequeue " #name)); \ 553 if ((cm->cm_flags & AAC_ON_ ## index) == 0) { \ 554 printf("dequeue - command %p not in queue, flags = %#x, " \ 555 "bit = %#x\n", cm, cm->cm_flags, \ 556 AAC_ON_ ## index); \ 557 panic("command not in queue"); \ 558 } \ 559 TAILQ_REMOVE(&sc->aac_ ## name, cm, cm_link); \ 560 cm->cm_flags &= ~AAC_ON_ ## index; \ 561 AACQ_REMOVE(sc, index); \ 562 } \ 563 return(cm); \ 564} \ 565static __inline void \ 566aac_remove_ ## name (struct aac_command *cm) \ 567{ \ 568 AAC_DPRINTF(AAC_D_CMD, (": remove " #name)); \ 569 if ((cm->cm_flags & AAC_ON_ ## index) == 0) { \ 570 printf("remove - command %p not in queue, flags = %#x, " \ 571 "bit = %#x\n", cm, cm->cm_flags, \ 572 AAC_ON_ ## index); \ 573 panic("command not in queue"); \ 574 } \ 575 TAILQ_REMOVE(&cm->cm_sc->aac_ ## name, cm, cm_link); \ 576 cm->cm_flags &= ~AAC_ON_ ## index; \ 577 AACQ_REMOVE(cm->cm_sc, index); \ 578} \ 579struct hack 580 581AACQ_COMMAND_QUEUE(free, AACQ_FREE); 582AACQ_COMMAND_QUEUE(ready, AACQ_READY); 583AACQ_COMMAND_QUEUE(busy, AACQ_BUSY); 584AACQ_COMMAND_QUEUE(bio, AACQ_BIO); 585 586static __inline void 587aac_print_printf(struct aac_softc *sc) 588{ 589 /* 590 * XXX We have the ability to read the length of the printf string 591 * from out of the mailboxes. 592 */ 593 printf("** %s: %.*s", sc->aac_dev.dv_xname, AAC_PRINTF_BUFSIZE, 594 sc->aac_common->ac_printf); 595 sc->aac_common->ac_printf[0] = 0; 596 AAC_QNOTIFY(sc, AAC_DB_PRINTF); 597} 598