sys/dev/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  *      $FreeBSD$
  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  */
 101 struct 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  */
 112 struct 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  */
 125 struct 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_int64_t                       ad_size;
 137         int                             unit;
 138 };
 139
 140 /*
 141  * Per-command control structure.
 142  */
 143 struct 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
 183 struct 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  */
 203 struct 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  */
 224 struct 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 };
 239 extern struct aac_interface     aac_rx_interface;
 240 extern struct aac_interface     aac_sa_interface;
 241 extern struct aac_interface     aac_fa_interface;
 242 extern 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 /* fib context (IOCTL) */
 276 struct aac_fib_context {
 277         u_int32_t               unique;
 278         int                     ctx_idx;
 279         int                     ctx_wrap;
 280         struct aac_fib_context *next, *prev;
 281 };
 282
 283 /*
 284  * Per-controller structure.
 285  */
 286 struct aac_softc
 287 {
 288         /* bus connections */
 289         device_t                aac_dev;
 290         struct resource         *aac_regs_resource;     /* register interface
 291                                                          * window */
 292         int                     aac_regs_rid;           /* resource ID */
 293         bus_space_handle_t      aac_bhandle;            /* bus space handle */
 294         bus_space_tag_t         aac_btag;               /* bus space tag */
 295         bus_dma_tag_t           aac_parent_dmat;        /* parent DMA tag */
 296         bus_dma_tag_t           aac_buffer_dmat;        /* data buffer/command
 297                                                          * DMA tag */
 298         struct resource         *aac_irq;               /* interrupt */
 299         int                     aac_irq_rid;
 300         void                    *aac_intr;              /* interrupt handle */
 301         eventhandler_tag        eh;
 302
 303         /* controller features, limits and status */
 304         int                     aac_state;
 305 #define AAC_STATE_SUSPEND       (1<<0)
 306 #define AAC_STATE_OPEN          (1<<1)
 307 #define AAC_STATE_INTERRUPTS_ON (1<<2)
 308 #define AAC_STATE_AIF_SLEEPER   (1<<3)
 309         int                     aac_open_cnt;
 310         struct FsaRevision              aac_revision;
 311
 312         /* controller hardware interface */
 313         int                     aac_hwif;
 314 #define AAC_HWIF_I960RX         0
 315 #define AAC_HWIF_STRONGARM      1
 316 #define AAC_HWIF_FALCON         2
 317 #define AAC_HWIF_RKT            3
 318 #define AAC_HWIF_UNKNOWN        -1
 319         bus_dma_tag_t           aac_common_dmat;        /* common structure
 320                                                          * DMA tag */
 321         bus_dmamap_t            aac_common_dmamap;      /* common structure
 322                                                          * DMA map */
 323         struct aac_common       *aac_common;
 324         u_int32_t               aac_common_busaddr;
 325         struct aac_interface    aac_if;
 326
 327         /* command/fib resources */
 328         bus_dma_tag_t           aac_fib_dmat;   /* DMA tag for allocing FIBs */
 329         TAILQ_HEAD(,aac_fibmap) aac_fibmap_tqh;
 330         u_int                   total_fibs;
 331         struct aac_command      *aac_commands;
 332
 333         /* command management */
 334         TAILQ_HEAD(,aac_command) aac_free;      /* command structures
 335                                                  * available for reuse */
 336         TAILQ_HEAD(,aac_command) aac_ready;     /* commands on hold for
 337                                                  * controller resources */
 338         TAILQ_HEAD(,aac_command) aac_busy;
 339         TAILQ_HEAD(,aac_event)  aac_ev_cmfree;
 340         struct bio_queue_head   aac_bioq;
 341         struct aac_queue_table  *aac_queues;
 342         struct aac_queue_entry  *aac_qentries[AAC_QUEUE_COUNT];
 343
 344         struct aac_qstat        aac_qstat[AACQ_COUNT];  /* queue statistics */
 345
 346         /* connected containters */
 347         TAILQ_HEAD(,aac_container)      aac_container_tqh;
 348         struct mtx              aac_container_lock;
 349
 350         /*
 351          * The general I/O lock.  This protects the sync fib, the lists, the
 352          * queues, and the registers.
 353          */
 354         struct mtx              aac_io_lock;
 355
 356         /* delayed activity infrastructure */
 357         struct task             aac_task_complete;      /* deferred-completion
 358                                                          * task */
 359         struct intr_config_hook aac_ich;
 360
 361         /* management interface */
 362         struct cdev *aac_dev_t;
 363         struct mtx              aac_aifq_lock;
 364         struct aac_fib          aac_aifq[AAC_AIFQ_LENGTH];
 365         int                     aifq_idx;
 366         int                     aifq_filled;
 367         struct aac_fib_context *fibctx;
 368         struct selinfo          rcv_select;
 369         struct proc             *aifthread;
 370         int                     aifflags;
 371 #define AAC_AIFFLAGS_RUNNING    (1 << 0)
 372 #define AAC_AIFFLAGS_AIF        (1 << 1)
 373 #define AAC_AIFFLAGS_EXIT       (1 << 2)
 374 #define AAC_AIFFLAGS_EXITED     (1 << 3)
 375 #define AAC_AIFFLAGS_PRINTF     (1 << 4)
 376 #define AAC_AIFFLAGS_ALLOCFIBS  (1 << 5)
 377 #define AAC_AIFFLAGS_PENDING    (AAC_AIFFLAGS_AIF | AAC_AIFFLAGS_PRINTF | \
 378                                  AAC_AIFFLAGS_ALLOCFIBS)
 379         u_int32_t               flags;
 380 #define AAC_FLAGS_PERC2QC       (1 << 0)
 381 #define AAC_FLAGS_ENABLE_CAM    (1 << 1)        /* No SCSI passthrough */
 382 #define AAC_FLAGS_CAM_NORESET   (1 << 2)        /* Fake SCSI resets */
 383 #define AAC_FLAGS_CAM_PASSONLY  (1 << 3)        /* Only create pass devices */
 384 #define AAC_FLAGS_SG_64BIT      (1 << 4)        /* Use 64-bit S/G addresses */
 385 #define AAC_FLAGS_4GB_WINDOW    (1 << 5)        /* Device can access host mem
 386                                                  * 2GB-4GB range */
 387 #define AAC_FLAGS_NO4GB         (1 << 6)        /* Can't access host mem >2GB */
 388 #define AAC_FLAGS_256FIBS       (1 << 7)        /* Can only do 256 commands */
 389 #define AAC_FLAGS_BROKEN_MEMMAP (1 << 8)        /* Broken HostPhysMemPages */
 390 #define AAC_FLAGS_SLAVE (1 << 9)
 391 #define AAC_FLAGS_MASTER        (1 << 10)
 392 #define AAC_FLAGS_NEW_COMM      (1 << 11)       /* New comm. interface supported */
 393 #define AAC_FLAGS_RAW_IO        (1 << 12)       /* Raw I/O interface */
 394 #define AAC_FLAGS_ARRAY_64BIT   (1 << 13)       /* 64-bit array size */
 395 #define AAC_FLAGS_LBA_64BIT     (1 << 14)       /* 64-bit LBA support */
 396
 397         u_int32_t               supported_options;
 398         u_int32_t               scsi_method_id;
 399         TAILQ_HEAD(,aac_sim)    aac_sim_tqh;
 400
 401         u_int32_t       aac_max_fibs;           /* max. FIB count */
 402         u_int32_t       aac_max_fibs_alloc;             /* max. alloc. per alloc_commands() */
 403         u_int32_t       aac_max_fib_size;               /* max. FIB size */
 404         u_int32_t       aac_sg_tablesize;               /* max. sg count from host */
 405         u_int32_t       aac_max_sectors;                /* max. I/O size from host (blocks) */
 406 };
 407
 408 /*
 409  * Event callback mechanism for the driver
 410  */
 411 #define AAC_EVENT_NONE          0x00
 412 #define AAC_EVENT_CMFREE        0x01
 413 #define AAC_EVENT_MASK          0xff
 414 #define AAC_EVENT_REPEAT        0x100
 415
 416 typedef void aac_event_cb_t(struct aac_softc *sc, struct aac_event *event,
 417     void *arg);
 418 struct aac_event {
 419         TAILQ_ENTRY(aac_event)  ev_links;
 420         int                     ev_type;
 421         aac_event_cb_t          *ev_callback;
 422         void                    *ev_arg;
 423 };
 424
 425 /*
 426  * Public functions
 427  */
 428 extern void             aac_free(struct aac_softc *sc);
 429 extern int              aac_attach(struct aac_softc *sc);
 430 extern int              aac_detach(device_t dev);
 431 extern int              aac_shutdown(device_t dev);
 432 extern int              aac_suspend(device_t dev);
 433 extern int              aac_resume(device_t dev);
 434 extern void             aac_new_intr(void *arg);
 435 extern int              aac_fast_intr(void *arg);
 436 extern void             aac_submit_bio(struct bio *bp);
 437 extern void             aac_biodone(struct bio *bp);
 438 extern void             aac_startio(struct aac_softc *sc);
 439 extern int              aac_alloc_command(struct aac_softc *sc,
 440                                           struct aac_command **cmp);
 441 extern void             aac_release_command(struct aac_command *cm);
 442 extern int              aac_sync_fib(struct aac_softc *sc, u_int32_t command,
 443                                      u_int32_t xferstate, struct aac_fib *fib,
 444                                      u_int16_t datasize);
 445 extern void             aac_add_event(struct aac_softc *sc, struct aac_event
 446                                       *event);
 447
 448 #ifdef AAC_DEBUG
 449 extern int      aac_debug_enable;
 450 # define fwprintf(sc, flags, fmt, args...)                              \
 451 do {                                                                    \
 452         if (!aac_debug_enable)                                          \
 453                 break;                                                  \
 454         if (sc != NULL)                                                 \
 455                 device_printf(((struct aac_softc *)sc)->aac_dev,        \
 456                     "%s: " fmt "\n", __func__, ##args);                 \
 457         else                                                            \
 458                 printf("%s: " fmt "\n", __func__, ##args);              \
 459 } while(0)
 460
 461 extern void     aac_print_queues(struct aac_softc *sc);
 462 extern void     aac_panic(struct aac_softc *sc, char *reason);
 463 extern void     aac_print_fib(struct aac_softc *sc, struct aac_fib *fib,
 464                               const char *caller);
 465 extern void     aac_print_aif(struct aac_softc *sc,
 466                               struct aac_aif_command *aif);
 467
 468 #define AAC_PRINT_FIB(sc, fib)  aac_print_fib(sc, fib, __func__)
 469
 470 #else
 471 # define fwprintf(sc, flags, fmt, args...)
 472
 473 # define aac_print_queues(sc)
 474 # define aac_panic(sc, reason)
 475
 476 # define AAC_PRINT_FIB(sc, fib)
 477 # define aac_print_aif(sc, aac_aif_command)
 478 #endif
 479
 480 struct aac_code_lookup {
 481         char    *string;
 482         u_int32_t       code;
 483 };
 484
 485 /*
 486  * Queue primitives for driver queues.
 487  */
 488 #define AACQ_ADD(sc, qname)                                     \
 489         do {                                                    \
 490                 struct aac_qstat *qs;                           \
 491                                                                 \
 492                 qs = &(sc)->aac_qstat[qname];                   \
 493                                                                 \
 494                 qs->q_length++;                                 \
 495                 if (qs->q_length > qs->q_max)                   \
 496                         qs->q_max = qs->q_length;               \
 497         } while (0)
 498
 499 #define AACQ_REMOVE(sc, qname)    (sc)->aac_qstat[qname].q_length--
 500 #define AACQ_INIT(sc, qname)                            \
 501         do {                                            \
 502                 sc->aac_qstat[qname].q_length = 0;      \
 503                 sc->aac_qstat[qname].q_max = 0;         \
 504         } while (0)
 505
 506
 507 #define AACQ_COMMAND_QUEUE(name, index)                                 \
 508 static __inline void                                                    \
 509 aac_initq_ ## name (struct aac_softc *sc)                               \
 510 {                                                                       \
 511         TAILQ_INIT(&sc->aac_ ## name);                                  \
 512         AACQ_INIT(sc, index);                                           \
 513 }                                                                       \
 514 static __inline void                                                    \
 515 aac_enqueue_ ## name (struct aac_command *cm)                           \
 516 {                                                                       \
 517         if ((cm->cm_flags & AAC_ON_AACQ_MASK) != 0) {                   \
 518                 printf("command %p is on another queue, flags = %#x\n", \
 519                        cm, cm->cm_flags);                               \
 520                 panic("command is on another queue");                   \
 521         }                                                               \
 522         TAILQ_INSERT_TAIL(&cm->cm_sc->aac_ ## name, cm, cm_link);       \
 523         cm->cm_flags |= AAC_ON_ ## index;                               \
 524         AACQ_ADD(cm->cm_sc, index);                                     \
 525 }                                                                       \
 526 static __inline void                                                    \
 527 aac_requeue_ ## name (struct aac_command *cm)                           \
 528 {                                                                       \
 529         if ((cm->cm_flags & AAC_ON_AACQ_MASK) != 0) {                   \
 530                 printf("command %p is on another queue, flags = %#x\n", \
 531                        cm, cm->cm_flags);                               \
 532                 panic("command is on another queue");                   \
 533         }                                                               \
 534         TAILQ_INSERT_HEAD(&cm->cm_sc->aac_ ## name, cm, cm_link);       \
 535         cm->cm_flags |= AAC_ON_ ## index;                               \
 536         AACQ_ADD(cm->cm_sc, index);                                     \
 537 }                                                                       \
 538 static __inline struct aac_command *                                    \
 539 aac_dequeue_ ## name (struct aac_softc *sc)                             \
 540 {                                                                       \
 541         struct aac_command *cm;                                         \
 542                                                                         \
 543         if ((cm = TAILQ_FIRST(&sc->aac_ ## name)) != NULL) {            \
 544                 if ((cm->cm_flags & AAC_ON_ ## index) == 0) {           \
 545                         printf("command %p not in queue, flags = %#x, " \
 546                                "bit = %#x\n", cm, cm->cm_flags,         \
 547                                AAC_ON_ ## index);                       \
 548                         panic("command not in queue");                  \
 549                 }                                                       \
 550                 TAILQ_REMOVE(&sc->aac_ ## name, cm, cm_link);           \
 551                 cm->cm_flags &= ~AAC_ON_ ## index;                      \
 552                 AACQ_REMOVE(sc, index);                                 \
 553         }                                                               \
 554         return(cm);                                                     \
 555 }                                                                       \
 556 static __inline void                                                    \
 557 aac_remove_ ## name (struct aac_command *cm)                            \
 558 {                                                                       \
 559         if ((cm->cm_flags & AAC_ON_ ## index) == 0) {                   \
 560                 printf("command %p not in queue, flags = %#x, "         \
 561                        "bit = %#x\n", cm, cm->cm_flags,                 \
 562                        AAC_ON_ ## index);                               \
 563                 panic("command not in queue");                          \
 564         }                                                               \
 565         TAILQ_REMOVE(&cm->cm_sc->aac_ ## name, cm, cm_link);            \
 566         cm->cm_flags &= ~AAC_ON_ ## index;                              \
 567         AACQ_REMOVE(cm->cm_sc, index);                                  \
 568 }                                                                       \
 569 struct hack
 570
 571 AACQ_COMMAND_QUEUE(free, AACQ_FREE);
 572 AACQ_COMMAND_QUEUE(ready, AACQ_READY);
 573 AACQ_COMMAND_QUEUE(busy, AACQ_BUSY);
 574
 575 /*
 576  * outstanding bio queue
 577  */
 578 static __inline void
 579 aac_initq_bio(struct aac_softc *sc)
 580 {
 581         bioq_init(&sc->aac_bioq);
 582         AACQ_INIT(sc, AACQ_BIO);
 583 }
 584
 585 static __inline void
 586 aac_enqueue_bio(struct aac_softc *sc, struct bio *bp)
 587 {
 588         bioq_insert_tail(&sc->aac_bioq, bp);
 589         AACQ_ADD(sc, AACQ_BIO);
 590 }
 591
 592 static __inline struct bio *
 593 aac_dequeue_bio(struct aac_softc *sc)
 594 {
 595         struct bio *bp;
 596
 597         if ((bp = bioq_first(&sc->aac_bioq)) != NULL) {
 598                 bioq_remove(&sc->aac_bioq, bp);
 599                 AACQ_REMOVE(sc, AACQ_BIO);
 600         }
 601         return(bp);
 602 }
 603
 604 static __inline void
 605 aac_print_printf(struct aac_softc *sc)
 606 {
 607         /*
 608          * XXX We have the ability to read the length of the printf string
 609          * from out of the mailboxes.
 610          */
 611         device_printf(sc->aac_dev, "**Monitor** %.*s", AAC_PRINTF_BUFSIZE,
 612                       sc->aac_common->ac_printf);
 613         sc->aac_common->ac_printf[0] = 0;
 614         AAC_QNOTIFY(sc, AAC_DB_PRINTF);
 615 }
 616
 617 static __inline int
 618 aac_alloc_sync_fib(struct aac_softc *sc, struct aac_fib **fib)
 619 {
 620
 621         mtx_assert(&sc->aac_io_lock, MA_OWNED);
 622         *fib = &sc->aac_common->ac_sync_fib;
 623         return (0);
 624 }
 625
 626 static __inline void
 627 aac_release_sync_fib(struct aac_softc *sc)
 628 {
 629
 630         mtx_assert(&sc->aac_io_lock, MA_OWNED);
 631 }
 632