aacvar.h revision 166901
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: head/sys/dev/aac/aacvar.h 166901 2007-02-23 12:19:07Z piso $ 30 */ 31 32#include <sys/bio.h> 33#include <sys/lock.h> 34#include <sys/mutex.h> 35#include <sys/taskqueue.h> 36#include <sys/selinfo.h> 37#include <geom/geom_disk.h> 38 39#ifndef AAC_DRIVER_BUILD 40# define AAC_DRIVER_BUILD 1 41#endif 42 43/* 44 * Driver Parameter Definitions 45 */ 46 47/* 48 * The firmware interface allows for a 16-bit s/g list length. We limit 49 * ourselves to a reasonable maximum and ensure alignment. 50 */ 51#define AAC_MAXSGENTRIES 64 /* max S/G entries, limit 65535 */ 52 53/* 54 * We allocate a small set of FIBs for the adapter to use to send us messages. 55 */ 56#define AAC_ADAPTER_FIBS 8 57 58/* 59 * FIBs are allocated in page-size chunks and can grow up to the 512 60 * limit imposed by the hardware. 61 */ 62#define AAC_PREALLOCATE_FIBS 128 63#define AAC_NUM_MGT_FIB 8 64 65/* 66 * The controller reports status events in AIFs. We hang on to a number of 67 * these in order to pass them out to user-space management tools. 68 */ 69#define AAC_AIFQ_LENGTH 64 70 71/* 72 * Firmware messages are passed in the printf buffer. 73 */ 74#define AAC_PRINTF_BUFSIZE 256 75 76/* 77 * We wait this many seconds for the adapter to come ready if it is still 78 * booting 79 */ 80#define AAC_BOOT_TIMEOUT (3 * 60) 81 82/* 83 * Timeout for immediate commands. 84 */ 85#define AAC_IMMEDIATE_TIMEOUT 30 /* seconds */ 86 87/* 88 * Timeout for normal commands 89 */ 90#define AAC_CMD_TIMEOUT 30 /* seconds */ 91 92/* 93 * Rate at which we periodically check for timed out commands and kick the 94 * controller. 95 */ 96#define AAC_PERIODIC_INTERVAL 20 /* seconds */ 97 98/* 99 * Per-container data structure 100 */ 101struct aac_container 102{ 103 struct aac_mntobj co_mntobj; 104 device_t co_disk; 105 int co_found; 106 TAILQ_ENTRY(aac_container) co_link; 107}; 108 109/* 110 * Per-SIM data structure 111 */ 112struct aac_sim 113{ 114 device_t sim_dev; 115 int TargetsPerBus; 116 int BusNumber; 117 int InitiatorBusId; 118 struct aac_softc *aac_sc; 119 TAILQ_ENTRY(aac_sim) sim_link; 120}; 121 122/* 123 * Per-disk structure 124 */ 125struct aac_disk 126{ 127 device_t ad_dev; 128 struct aac_softc *ad_controller; 129 struct aac_container *ad_container; 130 struct disk *ad_disk; 131 int ad_flags; 132#define AAC_DISK_OPEN (1<<0) 133 int ad_cylinders; 134 int ad_heads; 135 int ad_sectors; 136 u_int32_t ad_size; 137 int unit; 138}; 139 140/* 141 * Per-command control structure. 142 */ 143struct aac_command 144{ 145 TAILQ_ENTRY(aac_command) cm_link; /* list linkage */ 146 147 struct aac_softc *cm_sc; /* controller that owns us */ 148 149 struct aac_fib *cm_fib; /* FIB associated with this 150 * command */ 151 u_int64_t cm_fibphys; /* bus address of the FIB */ 152 struct bio *cm_data; /* pointer to data in kernel 153 * space */ 154 u_int32_t cm_datalen; /* data length */ 155 bus_dmamap_t cm_datamap; /* DMA map for bio data */ 156 struct aac_sg_table *cm_sgtable; /* pointer to s/g table in 157 * command */ 158 int cm_flags; 159#define AAC_CMD_MAPPED (1<<0) /* command has had its data 160 * mapped */ 161#define AAC_CMD_DATAIN (1<<1) /* command involves data moving 162 * from controller to host */ 163#define AAC_CMD_DATAOUT (1<<2) /* command involves data moving 164 * from host to controller */ 165#define AAC_CMD_COMPLETED (1<<3) /* command has been completed */ 166#define AAC_CMD_TIMEDOUT (1<<4) /* command taken too long */ 167#define AAC_ON_AACQ_FREE (1<<5) 168#define AAC_ON_AACQ_READY (1<<6) 169#define AAC_ON_AACQ_BUSY (1<<7) 170#define AAC_ON_AACQ_AIF (1<<8) 171#define AAC_ON_AACQ_NORM (1<<10) 172#define AAC_ON_AACQ_MASK ((1<<5)|(1<<6)|(1<<7)|(1<<8)|(1<<10)) 173#define AAC_QUEUE_FRZN (1<<9) /* Freeze the processing of 174 * commands on the queue. */ 175 176 void (* cm_complete)(struct aac_command *cm); 177 void *cm_private; 178 time_t cm_timestamp; /* command creation time */ 179 int cm_queue; 180 int cm_index; 181}; 182 183struct aac_fibmap { 184 TAILQ_ENTRY(aac_fibmap) fm_link; /* list linkage */ 185 struct aac_fib *aac_fibs; 186 bus_dmamap_t aac_fibmap; 187 struct aac_command *aac_commands; 188}; 189 190/* 191 * We gather a number of adapter-visible items into a single structure. 192 * 193 * The ordering of this strucure may be important; we copy the Linux driver: 194 * 195 * Adapter FIBs 196 * Init struct 197 * Queue headers (Comm Area) 198 * Printf buffer 199 * 200 * In addition, we add: 201 * Sync Fib 202 */ 203struct aac_common { 204 /* fibs for the controller to send us messages */ 205 struct aac_fib ac_fibs[AAC_ADAPTER_FIBS]; 206 207 /* the init structure */ 208 struct aac_adapter_init ac_init; 209 210 /* arena within which the queue structures are kept */ 211 u_int8_t ac_qbuf[sizeof(struct aac_queue_table) + 212 AAC_QUEUE_ALIGN]; 213 214 /* buffer for text messages from the controller */ 215 char ac_printf[AAC_PRINTF_BUFSIZE]; 216 217 /* fib for synchronous commands */ 218 struct aac_fib ac_sync_fib; 219}; 220 221/* 222 * Interface operations 223 */ 224struct aac_interface 225{ 226 int (*aif_get_fwstatus)(struct aac_softc *sc); 227 void (*aif_qnotify)(struct aac_softc *sc, int qbit); 228 int (*aif_get_istatus)(struct aac_softc *sc); 229 void (*aif_clr_istatus)(struct aac_softc *sc, int mask); 230 void (*aif_set_mailbox)(struct aac_softc *sc, u_int32_t command, 231 u_int32_t arg0, u_int32_t arg1, 232 u_int32_t arg2, u_int32_t arg3); 233 int (*aif_get_mailbox)(struct aac_softc *sc, int mb); 234 void (*aif_set_interrupts)(struct aac_softc *sc, int enable); 235 int (*aif_send_command)(struct aac_softc *sc, struct aac_command *cm); 236 int (*aif_get_outb_queue)(struct aac_softc *sc); 237 void (*aif_set_outb_queue)(struct aac_softc *sc, int index); 238}; 239extern struct aac_interface aac_rx_interface; 240extern struct aac_interface aac_sa_interface; 241extern struct aac_interface aac_fa_interface; 242extern struct aac_interface aac_rkt_interface; 243 244#define AAC_GET_FWSTATUS(sc) ((sc)->aac_if.aif_get_fwstatus((sc))) 245#define AAC_QNOTIFY(sc, qbit) ((sc)->aac_if.aif_qnotify((sc), (qbit))) 246#define AAC_GET_ISTATUS(sc) ((sc)->aac_if.aif_get_istatus((sc))) 247#define AAC_CLEAR_ISTATUS(sc, mask) ((sc)->aac_if.aif_clr_istatus((sc), \ 248 (mask))) 249#define AAC_SET_MAILBOX(sc, command, arg0, arg1, arg2, arg3) \ 250 ((sc)->aac_if.aif_set_mailbox((sc), (command), (arg0), (arg1), (arg2), \ 251 (arg3))) 252#define AAC_GET_MAILBOX(sc, mb) ((sc)->aac_if.aif_get_mailbox((sc), \ 253 (mb))) 254#define AAC_MASK_INTERRUPTS(sc) ((sc)->aac_if.aif_set_interrupts((sc), \ 255 0)) 256#define AAC_UNMASK_INTERRUPTS(sc) ((sc)->aac_if.aif_set_interrupts((sc), \ 257 1)) 258#define AAC_SEND_COMMAND(sc, cm) ((sc)->aac_if.aif_send_command((sc), (cm))) 259#define AAC_GET_OUTB_QUEUE(sc) ((sc)->aac_if.aif_get_outb_queue((sc))) 260#define AAC_SET_OUTB_QUEUE(sc, idx) ((sc)->aac_if.aif_set_outb_queue((sc), (idx))) 261 262#define AAC_SETREG4(sc, reg, val) bus_space_write_4(sc->aac_btag, \ 263 sc->aac_bhandle, reg, val) 264#define AAC_GETREG4(sc, reg) bus_space_read_4 (sc->aac_btag, \ 265 sc->aac_bhandle, reg) 266#define AAC_SETREG2(sc, reg, val) bus_space_write_2(sc->aac_btag, \ 267 sc->aac_bhandle, reg, val) 268#define AAC_GETREG2(sc, reg) bus_space_read_2 (sc->aac_btag, \ 269 sc->aac_bhandle, reg) 270#define AAC_SETREG1(sc, reg, val) bus_space_write_1(sc->aac_btag, \ 271 sc->aac_bhandle, reg, val) 272#define AAC_GETREG1(sc, reg) bus_space_read_1 (sc->aac_btag, \ 273 sc->aac_bhandle, reg) 274 275/* 276 * Per-controller structure. 277 */ 278struct aac_softc 279{ 280 /* bus connections */ 281 device_t aac_dev; 282 struct resource *aac_regs_resource; /* register interface 283 * window */ 284 int aac_regs_rid; /* resource ID */ 285 bus_space_handle_t aac_bhandle; /* bus space handle */ 286 bus_space_tag_t aac_btag; /* bus space tag */ 287 bus_dma_tag_t aac_parent_dmat; /* parent DMA tag */ 288 bus_dma_tag_t aac_buffer_dmat; /* data buffer/command 289 * DMA tag */ 290 struct resource *aac_irq; /* interrupt */ 291 int aac_irq_rid; 292 void *aac_intr; /* interrupt handle */ 293 eventhandler_tag eh; 294 295 /* controller features, limits and status */ 296 int aac_state; 297#define AAC_STATE_SUSPEND (1<<0) 298#define AAC_STATE_OPEN (1<<1) 299#define AAC_STATE_INTERRUPTS_ON (1<<2) 300#define AAC_STATE_AIF_SLEEPER (1<<3) 301 struct FsaRevision aac_revision; 302 303 /* controller hardware interface */ 304 int aac_hwif; 305#define AAC_HWIF_I960RX 0 306#define AAC_HWIF_STRONGARM 1 307#define AAC_HWIF_FALCON 2 308#define AAC_HWIF_RKT 3 309#define AAC_HWIF_UNKNOWN -1 310 bus_dma_tag_t aac_common_dmat; /* common structure 311 * DMA tag */ 312 bus_dmamap_t aac_common_dmamap; /* common structure 313 * DMA map */ 314 struct aac_common *aac_common; 315 u_int32_t aac_common_busaddr; 316 struct aac_interface aac_if; 317 318 /* command/fib resources */ 319 bus_dma_tag_t aac_fib_dmat; /* DMA tag for allocing FIBs */ 320 TAILQ_HEAD(,aac_fibmap) aac_fibmap_tqh; 321 u_int total_fibs; 322 struct aac_command *aac_commands; 323 324 /* command management */ 325 TAILQ_HEAD(,aac_command) aac_free; /* command structures 326 * available for reuse */ 327 TAILQ_HEAD(,aac_command) aac_ready; /* commands on hold for 328 * controller resources */ 329 TAILQ_HEAD(,aac_command) aac_busy; 330 TAILQ_HEAD(,aac_command) aac_aif; 331#if 0 332 TAILQ_HEAD(,aac_command) aac_norm; 333#endif 334 TAILQ_HEAD(,aac_event) aac_ev_cmfree; 335 struct bio_queue_head aac_bioq; 336 struct aac_queue_table *aac_queues; 337 struct aac_queue_entry *aac_qentries[AAC_QUEUE_COUNT]; 338 339 struct aac_qstat aac_qstat[AACQ_COUNT]; /* queue statistics */ 340 341 /* connected containters */ 342 TAILQ_HEAD(,aac_container) aac_container_tqh; 343 struct mtx aac_container_lock; 344 345 /* 346 * The general I/O lock. This protects the sync fib, the lists, the 347 * queues, and the registers. 348 */ 349 struct mtx aac_io_lock; 350 351 /* delayed activity infrastructure */ 352 struct task aac_task_complete; /* deferred-completion 353 * task */ 354 struct intr_config_hook aac_ich; 355 356 /* management interface */ 357 struct cdev *aac_dev_t; 358 struct mtx aac_aifq_lock; 359 struct aac_aif_command aac_aifq[AAC_AIFQ_LENGTH]; 360 int aac_aifq_head; 361 int aac_aifq_tail; 362 struct selinfo rcv_select; 363 struct proc *aifthread; 364 int aifflags; 365#define AAC_AIFFLAGS_RUNNING (1 << 0) 366#define AAC_AIFFLAGS_AIF (1 << 1) 367#define AAC_AIFFLAGS_EXIT (1 << 2) 368#define AAC_AIFFLAGS_EXITED (1 << 3) 369#define AAC_AIFFLAGS_PRINTF (1 << 4) 370#define AAC_AIFFLAGS_ALLOCFIBS (1 << 5) 371#define AAC_AIFFLAGS_PENDING (AAC_AIFFLAGS_AIF | AAC_AIFFLAGS_PRINTF | \ 372 AAC_AIFFLAGS_ALLOCFIBS) 373 u_int32_t flags; 374#define AAC_FLAGS_PERC2QC (1 << 0) 375#define AAC_FLAGS_ENABLE_CAM (1 << 1) /* No SCSI passthrough */ 376#define AAC_FLAGS_CAM_NORESET (1 << 2) /* Fake SCSI resets */ 377#define AAC_FLAGS_CAM_PASSONLY (1 << 3) /* Only create pass devices */ 378#define AAC_FLAGS_SG_64BIT (1 << 4) /* Use 64-bit S/G addresses */ 379#define AAC_FLAGS_4GB_WINDOW (1 << 5) /* Device can access host mem 380 * 2GB-4GB range */ 381#define AAC_FLAGS_NO4GB (1 << 6) /* Can't access host mem >2GB */ 382#define AAC_FLAGS_256FIBS (1 << 7) /* Can only do 256 commands */ 383#define AAC_FLAGS_BROKEN_MEMMAP (1 << 8) /* Broken HostPhysMemPages */ 384#define AAC_FLAGS_SLAVE (1 << 9) 385#define AAC_FLAGS_MASTER (1 << 10) 386#define AAC_FLAGS_NEW_COMM (1 << 11) /* New comm. interface supported */ 387#define AAC_FLAGS_RAW_IO (1 << 12) /* Raw I/O interface */ 388#define AAC_FLAGS_ARRAY_64BIT (1 << 13) /* 64-bit array size */ 389 390 u_int32_t supported_options; 391 u_int32_t scsi_method_id; 392 TAILQ_HEAD(,aac_sim) aac_sim_tqh; 393 394 u_int32_t aac_max_fibs; /* max. FIB count */ 395 u_int32_t aac_max_fibs_alloc; /* max. alloc. per alloc_commands() */ 396 u_int32_t aac_max_fib_size; /* max. FIB size */ 397 u_int32_t aac_sg_tablesize; /* max. sg count from host */ 398 u_int32_t aac_max_sectors; /* max. I/O size from host (blocks) */ 399}; 400 401/* 402 * Event callback mechanism for the driver 403 */ 404#define AAC_EVENT_NONE 0x00 405#define AAC_EVENT_CMFREE 0x01 406#define AAC_EVENT_MASK 0xff 407#define AAC_EVENT_REPEAT 0x100 408 409typedef void aac_event_cb_t(struct aac_softc *sc, struct aac_event *event, 410 void *arg); 411struct aac_event { 412 TAILQ_ENTRY(aac_event) ev_links; 413 int ev_type; 414 aac_event_cb_t *ev_callback; 415 void *ev_arg; 416}; 417 418/* 419 * Public functions 420 */ 421extern void aac_free(struct aac_softc *sc); 422extern int aac_attach(struct aac_softc *sc); 423extern int aac_detach(device_t dev); 424extern int aac_shutdown(device_t dev); 425extern int aac_suspend(device_t dev); 426extern int aac_resume(device_t dev); 427extern void aac_new_intr(void *arg); 428extern int aac_fast_intr(void *arg); 429extern void aac_submit_bio(struct bio *bp); 430extern void aac_biodone(struct bio *bp); 431extern void aac_startio(struct aac_softc *sc); 432extern int aac_alloc_command(struct aac_softc *sc, 433 struct aac_command **cmp); 434extern void aac_release_command(struct aac_command *cm); 435extern int aac_sync_fib(struct aac_softc *sc, u_int32_t command, 436 u_int32_t xferstate, struct aac_fib *fib, 437 u_int16_t datasize); 438extern void aac_add_event(struct aac_softc *sc, struct aac_event 439 *event); 440 441/* 442 * Debugging levels: 443 * 0 - quiet, only emit warnings 444 * 1 - noisy, emit major function points and things done 445 * 2 - extremely noisy, emit trace items in loops, etc. 446 */ 447#ifdef AAC_DEBUG 448# define debug(level, fmt, args...) \ 449 do { \ 450 if (level <=AAC_DEBUG) printf("%s: " fmt "\n", __func__ , ##args); \ 451 } while (0) 452# define debug_called(level) \ 453 do { \ 454 if (level <= AAC_DEBUG) printf("%s: called\n", __func__); \ 455 } while (0) 456 457extern void aac_print_queues(struct aac_softc *sc); 458extern void aac_panic(struct aac_softc *sc, char *reason); 459extern void aac_print_fib(struct aac_softc *sc, struct aac_fib *fib, 460 const char *caller); 461extern void aac_print_aif(struct aac_softc *sc, 462 struct aac_aif_command *aif); 463 464#define AAC_PRINT_FIB(sc, fib) aac_print_fib(sc, fib, __func__) 465 466#else 467# define debug(level, fmt, args...) 468# define debug_called(level) 469 470# define aac_print_queues(sc) 471# define aac_panic(sc, reason) 472 473# define AAC_PRINT_FIB(sc, fib) 474# define aac_print_aif(sc, aac_aif_command) 475#endif 476 477struct aac_code_lookup { 478 char *string; 479 u_int32_t code; 480}; 481 482/* 483 * Queue primitives for driver queues. 484 */ 485#define AACQ_ADD(sc, qname) \ 486 do { \ 487 struct aac_qstat *qs; \ 488 \ 489 qs = &(sc)->aac_qstat[qname]; \ 490 \ 491 qs->q_length++; \ 492 if (qs->q_length > qs->q_max) \ 493 qs->q_max = qs->q_length; \ 494 } while (0) 495 496#define AACQ_REMOVE(sc, qname) (sc)->aac_qstat[qname].q_length-- 497#define AACQ_INIT(sc, qname) \ 498 do { \ 499 sc->aac_qstat[qname].q_length = 0; \ 500 sc->aac_qstat[qname].q_max = 0; \ 501 } while (0) 502 503 504#define AACQ_COMMAND_QUEUE(name, index) \ 505static __inline void \ 506aac_initq_ ## name (struct aac_softc *sc) \ 507{ \ 508 TAILQ_INIT(&sc->aac_ ## name); \ 509 AACQ_INIT(sc, index); \ 510} \ 511static __inline void \ 512aac_enqueue_ ## name (struct aac_command *cm) \ 513{ \ 514 if ((cm->cm_flags & AAC_ON_AACQ_MASK) != 0) { \ 515 printf("command %p is on another queue, flags = %#x\n", \ 516 cm, cm->cm_flags); \ 517 panic("command is on another queue"); \ 518 } \ 519 TAILQ_INSERT_TAIL(&cm->cm_sc->aac_ ## name, cm, cm_link); \ 520 cm->cm_flags |= AAC_ON_ ## index; \ 521 AACQ_ADD(cm->cm_sc, index); \ 522} \ 523static __inline void \ 524aac_requeue_ ## name (struct aac_command *cm) \ 525{ \ 526 if ((cm->cm_flags & AAC_ON_AACQ_MASK) != 0) { \ 527 printf("command %p is on another queue, flags = %#x\n", \ 528 cm, cm->cm_flags); \ 529 panic("command is on another queue"); \ 530 } \ 531 TAILQ_INSERT_HEAD(&cm->cm_sc->aac_ ## name, cm, cm_link); \ 532 cm->cm_flags |= AAC_ON_ ## index; \ 533 AACQ_ADD(cm->cm_sc, index); \ 534} \ 535static __inline struct aac_command * \ 536aac_dequeue_ ## name (struct aac_softc *sc) \ 537{ \ 538 struct aac_command *cm; \ 539 \ 540 if ((cm = TAILQ_FIRST(&sc->aac_ ## name)) != NULL) { \ 541 if ((cm->cm_flags & AAC_ON_ ## index) == 0) { \ 542 printf("command %p not in queue, flags = %#x, " \ 543 "bit = %#x\n", cm, cm->cm_flags, \ 544 AAC_ON_ ## index); \ 545 panic("command not in queue"); \ 546 } \ 547 TAILQ_REMOVE(&sc->aac_ ## name, cm, cm_link); \ 548 cm->cm_flags &= ~AAC_ON_ ## index; \ 549 AACQ_REMOVE(sc, index); \ 550 } \ 551 return(cm); \ 552} \ 553static __inline void \ 554aac_remove_ ## name (struct aac_command *cm) \ 555{ \ 556 if ((cm->cm_flags & AAC_ON_ ## index) == 0) { \ 557 printf("command %p not in queue, flags = %#x, " \ 558 "bit = %#x\n", cm, cm->cm_flags, \ 559 AAC_ON_ ## index); \ 560 panic("command not in queue"); \ 561 } \ 562 TAILQ_REMOVE(&cm->cm_sc->aac_ ## name, cm, cm_link); \ 563 cm->cm_flags &= ~AAC_ON_ ## index; \ 564 AACQ_REMOVE(cm->cm_sc, index); \ 565} \ 566struct hack 567 568AACQ_COMMAND_QUEUE(free, AACQ_FREE); 569AACQ_COMMAND_QUEUE(ready, AACQ_READY); 570AACQ_COMMAND_QUEUE(busy, AACQ_BUSY); 571 572/* 573 * outstanding bio queue 574 */ 575static __inline void 576aac_initq_bio(struct aac_softc *sc) 577{ 578 bioq_init(&sc->aac_bioq); 579 AACQ_INIT(sc, AACQ_BIO); 580} 581 582static __inline void 583aac_enqueue_bio(struct aac_softc *sc, struct bio *bp) 584{ 585 bioq_insert_tail(&sc->aac_bioq, bp); 586 AACQ_ADD(sc, AACQ_BIO); 587} 588 589static __inline struct bio * 590aac_dequeue_bio(struct aac_softc *sc) 591{ 592 struct bio *bp; 593 594 if ((bp = bioq_first(&sc->aac_bioq)) != NULL) { 595 bioq_remove(&sc->aac_bioq, bp); 596 AACQ_REMOVE(sc, AACQ_BIO); 597 } 598 return(bp); 599} 600 601static __inline void 602aac_print_printf(struct aac_softc *sc) 603{ 604 /* 605 * XXX We have the ability to read the length of the printf string 606 * from out of the mailboxes. 607 */ 608 device_printf(sc->aac_dev, "**Monitor** %.*s", AAC_PRINTF_BUFSIZE, 609 sc->aac_common->ac_printf); 610 sc->aac_common->ac_printf[0] = 0; 611 AAC_QNOTIFY(sc, AAC_DB_PRINTF); 612} 613 614static __inline int 615aac_alloc_sync_fib(struct aac_softc *sc, struct aac_fib **fib) 616{ 617 618 mtx_assert(&sc->aac_io_lock, MA_OWNED); 619 *fib = &sc->aac_common->ac_sync_fib; 620 return (0); 621} 622 623static __inline void 624aac_release_sync_fib(struct aac_softc *sc) 625{ 626 627 mtx_assert(&sc->aac_io_lock, MA_OWNED); 628} 629 630