sys/dev/raid/aac/aacvar.h

   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 1.6 2004/03/01 06:33:14 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 defined(__FreeBSD__) && __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 defined(__FreeBSD__) && __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 lwkt_rwlock aac_lock_t;
 263 #define AAC_LOCK_INIT(l, s)     lwkt_rwlock_init(l)
 264 #define AAC_LOCK_ACQUIRE(l)     lwkt_exlock(l, "aac")
 265 #define AAC_LOCK_RELEASE(l)     lwkt_exunlock(l)
 266 #endif
 267
 268 #if defined(__FreeBSD__) && __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 defined(__FreeBSD__) && __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 thread           *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 }