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/callout.h>
  34 #include <sys/lock.h>
  35 #include <sys/mutex.h>
  36 #include <sys/taskqueue.h>
  37 #include <sys/selinfo.h>
  38 #include <geom/geom_disk.h>
  39
  40 #ifndef AAC_DRIVER_BUILD
  41 # define AAC_DRIVER_BUILD 1
  42 #endif
  43
  44 /*
  45  * Driver Parameter Definitions
  46  */
  47
  48 /*
  49  * The firmware interface allows for a 16-bit s/g list length.  We limit
  50  * ourselves to a reasonable maximum and ensure alignment.
  51  */
  52 #define AAC_MAXSGENTRIES        64      /* max S/G entries, limit 65535 */
  53
  54 /*
  55  * We allocate a small set of FIBs for the adapter to use to send us messages.
  56  */
  57 #define AAC_ADAPTER_FIBS        8
  58
  59 /*
  60  * FIBs are allocated in page-size chunks and can grow up to the 512
  61  * limit imposed by the hardware.
  62  */
  63 #define AAC_PREALLOCATE_FIBS    128
  64 #define AAC_NUM_MGT_FIB         8
  65
  66 /*
  67  * The controller reports status events in AIFs.  We hang on to a number of
  68  * these in order to pass them out to user-space management tools.
  69  */
  70 #define AAC_AIFQ_LENGTH         64
  71
  72 /*
  73  * Firmware messages are passed in the printf buffer.
  74  */
  75 #define AAC_PRINTF_BUFSIZE      256
  76
  77 /*
  78  * We wait this many seconds for the adapter to come ready if it is still
  79  * booting
  80  */
  81 #define AAC_BOOT_TIMEOUT        (3 * 60)
  82
  83 /*
  84  * Timeout for immediate commands.
  85  */
  86 #define AAC_IMMEDIATE_TIMEOUT   30              /* seconds */
  87
  88 /*
  89  * Timeout for normal commands
  90  */
  91 #define AAC_CMD_TIMEOUT         30              /* seconds */
  92
  93 /*
  94  * Rate at which we periodically check for timed out commands and kick the
  95  * controller.
  96  */
  97 #define AAC_PERIODIC_INTERVAL   20              /* seconds */
  98
  99 /*
 100  * Per-container data structure
 101  */
 102 struct aac_container
 103 {
 104         struct aac_mntobj               co_mntobj;
 105         device_t                        co_disk;
 106         int                             co_found;
 107         TAILQ_ENTRY(aac_container)      co_link;
 108 };
 109
 110 /*
 111  * Per-SIM data structure
 112  */
 113 struct aac_sim
 114 {
 115         device_t                sim_dev;
 116         int                     TargetsPerBus;
 117         int                     BusNumber;
 118         int                     InitiatorBusId;
 119         struct aac_softc        *aac_sc;
 120         TAILQ_ENTRY(aac_sim)    sim_link;
 121 };
 122
 123 /*
 124  * Per-disk structure
 125  */
 126 struct aac_disk
 127 {
 128         device_t                        ad_dev;
 129         struct aac_softc                *ad_controller;
 130         struct aac_container            *ad_container;
 131         struct disk                     *ad_disk;
 132         int                             ad_flags;
 133 #define AAC_DISK_OPEN   (1<<0)
 134         int                             ad_cylinders;
 135         int                             ad_heads;
 136         int                             ad_sectors;
 137         u_int64_t                       ad_size;
 138         int                             unit;
 139 };
 140
 141 /*
 142  * Per-command control structure.
 143  */
 144 struct aac_command
 145 {
 146         TAILQ_ENTRY(aac_command) cm_link;       /* list linkage */
 147
 148         struct aac_softc        *cm_sc;         /* controller that owns us */
 149
 150         struct aac_fib          *cm_fib;        /* FIB associated with this
 151                                                  * command */
 152         u_int64_t               cm_fibphys;     /* bus address of the FIB */
 153         struct bio              *cm_data;       /* pointer to data in kernel
 154                                                  * space */
 155         u_int32_t               cm_datalen;     /* data length */
 156         bus_dmamap_t            cm_datamap;     /* DMA map for bio data */
 157         struct aac_sg_table     *cm_sgtable;    /* pointer to s/g table in
 158                                                  * command */
 159         int                     cm_flags;
 160 #define AAC_CMD_MAPPED          (1<<0)          /* command has had its data
 161                                                  * mapped */
 162 #define AAC_CMD_DATAIN          (1<<1)          /* command involves data moving
 163                                                  * from controller to host */
 164 #define AAC_CMD_DATAOUT         (1<<2)          /* command involves data moving
 165                                                  * from host to controller */
 166 #define AAC_CMD_COMPLETED       (1<<3)          /* command has been completed */
 167 #define AAC_CMD_TIMEDOUT        (1<<4)          /* command taken too long */
 168 #define AAC_ON_AACQ_FREE        (1<<5)
 169 #define AAC_ON_AACQ_READY       (1<<6)
 170 #define AAC_ON_AACQ_BUSY        (1<<7)
 171 #define AAC_ON_AACQ_AIF         (1<<8)
 172 #define AAC_ON_AACQ_NORM        (1<<10)
 173 #define AAC_ON_AACQ_MASK        ((1<<5)|(1<<6)|(1<<7)|(1<<8)|(1<<10))
 174 #define AAC_QUEUE_FRZN          (1<<9)          /* Freeze the processing of
 175                                                  * commands on the queue. */
 176
 177         void                    (* cm_complete)(struct aac_command *cm);
 178         void                    *cm_private;
 179         time_t                  cm_timestamp;   /* command creation time */
 180         int                     cm_queue;
 181         int                     cm_index;
 182 };
 183
 184 struct aac_fibmap {
 185         TAILQ_ENTRY(aac_fibmap) fm_link;        /* list linkage */
 186         struct aac_fib          *aac_fibs;
 187         bus_dmamap_t            aac_fibmap;
 188         struct aac_command      *aac_commands;
 189 };
 190
 191 /*
 192  * We gather a number of adapter-visible items into a single structure.
 193  *
 194  * The ordering of this strucure may be important; we copy the Linux driver:
 195  *
 196  * Adapter FIBs
 197  * Init struct
 198  * Queue headers (Comm Area)
 199  * Printf buffer
 200  *
 201  * In addition, we add:
 202  * Sync Fib
 203  */
 204 struct aac_common {
 205         /* fibs for the controller to send us messages */
 206         struct aac_fib          ac_fibs[AAC_ADAPTER_FIBS];
 207
 208         /* the init structure */
 209         struct aac_adapter_init ac_init;
 210
 211         /* arena within which the queue structures are kept */
 212         u_int8_t                ac_qbuf[sizeof(struct aac_queue_table) +
 213                                 AAC_QUEUE_ALIGN];
 214
 215         /* buffer for text messages from the controller */
 216         char                    ac_printf[AAC_PRINTF_BUFSIZE];
 217
 218         /* fib for synchronous commands */
 219         struct aac_fib          ac_sync_fib;
 220 };
 221
 222 /*
 223  * Interface operations
 224  */
 225 struct aac_interface
 226 {
 227         int     (*aif_get_fwstatus)(struct aac_softc *sc);
 228         void    (*aif_qnotify)(struct aac_softc *sc, int qbit);
 229         int     (*aif_get_istatus)(struct aac_softc *sc);
 230         void    (*aif_clr_istatus)(struct aac_softc *sc, int mask);
 231         void    (*aif_set_mailbox)(struct aac_softc *sc, u_int32_t command,
 232                                    u_int32_t arg0, u_int32_t arg1,
 233                                    u_int32_t arg2, u_int32_t arg3);
 234         int     (*aif_get_mailbox)(struct aac_softc *sc, int mb);
 235         void    (*aif_set_interrupts)(struct aac_softc *sc, int enable);
 236         int (*aif_send_command)(struct aac_softc *sc, struct aac_command *cm);
 237         int (*aif_get_outb_queue)(struct aac_softc *sc);
 238         void (*aif_set_outb_queue)(struct aac_softc *sc, int index);
 239 };
 240 extern struct aac_interface     aac_rx_interface;
 241 extern struct aac_interface     aac_sa_interface;
 242 extern struct aac_interface     aac_fa_interface;
 243 extern struct aac_interface     aac_rkt_interface;
 244
 245 #define AAC_GET_FWSTATUS(sc)            ((sc)->aac_if.aif_get_fwstatus((sc)))
 246 #define AAC_QNOTIFY(sc, qbit)           ((sc)->aac_if.aif_qnotify((sc), (qbit)))
 247 #define AAC_GET_ISTATUS(sc)             ((sc)->aac_if.aif_get_istatus((sc)))
 248 #define AAC_CLEAR_ISTATUS(sc, mask)     ((sc)->aac_if.aif_clr_istatus((sc), \
 249                                         (mask)))
 250 #define AAC_SET_MAILBOX(sc, command, arg0, arg1, arg2, arg3) \
 251         ((sc)->aac_if.aif_set_mailbox((sc), (command), (arg0), (arg1), (arg2), \
 252         (arg3)))
 253 #define AAC_GET_MAILBOX(sc, mb)         ((sc)->aac_if.aif_get_mailbox((sc), \
 254                                         (mb)))
 255 #define AAC_MASK_INTERRUPTS(sc)         ((sc)->aac_if.aif_set_interrupts((sc), \
 256                                         0))
 257 #define AAC_UNMASK_INTERRUPTS(sc)       ((sc)->aac_if.aif_set_interrupts((sc), \
 258                                         1))
 259 #define AAC_SEND_COMMAND(sc, cm)        ((sc)->aac_if.aif_send_command((sc), (cm)))
 260 #define AAC_GET_OUTB_QUEUE(sc)          ((sc)->aac_if.aif_get_outb_queue((sc)))
 261 #define AAC_SET_OUTB_QUEUE(sc, idx)     ((sc)->aac_if.aif_set_outb_queue((sc), (idx)))
 262
 263 #define AAC_MEM0_SETREG4(sc, reg, val)  bus_space_write_4(sc->aac_btag0, \
 264                                         sc->aac_bhandle0, reg, val)
 265 #define AAC_MEM0_GETREG4(sc, reg)       bus_space_read_4(sc->aac_btag0, \
 266                                         sc->aac_bhandle0, reg)
 267 #define AAC_MEM0_SETREG2(sc, reg, val)  bus_space_write_2(sc->aac_btag0, \
 268                                         sc->aac_bhandle0, reg, val)
 269 #define AAC_MEM0_GETREG2(sc, reg)       bus_space_read_2(sc->aac_btag0, \
 270                                         sc->aac_bhandle0, reg)
 271 #define AAC_MEM0_SETREG1(sc, reg, val)  bus_space_write_1(sc->aac_btag0, \
 272                                         sc->aac_bhandle0, reg, val)
 273 #define AAC_MEM0_GETREG1(sc, reg)       bus_space_read_1(sc->aac_btag0, \
 274                                         sc->aac_bhandle0, reg)
 275
 276 #define AAC_MEM1_SETREG4(sc, reg, val)  bus_space_write_4(sc->aac_btag1, \
 277                                         sc->aac_bhandle1, reg, val)
 278 #define AAC_MEM1_GETREG4(sc, reg)       bus_space_read_4(sc->aac_btag1, \
 279                                         sc->aac_bhandle1, reg)
 280 #define AAC_MEM1_SETREG2(sc, reg, val)  bus_space_write_2(sc->aac_btag1, \
 281                                         sc->aac_bhandle1, reg, val)
 282 #define AAC_MEM1_GETREG2(sc, reg)       bus_space_read_2(sc->aac_btag1, \
 283                                         sc->aac_bhandle1, reg)
 284 #define AAC_MEM1_SETREG1(sc, reg, val)  bus_space_write_1(sc->aac_btag1, \
 285                                         sc->aac_bhandle1, reg, val)
 286 #define AAC_MEM1_GETREG1(sc, reg)       bus_space_read_1(sc->aac_btag1, \
 287                                         sc->aac_bhandle1, reg)
 288
 289 /* fib context (IOCTL) */
 290 struct aac_fib_context {
 291         u_int32_t               unique;
 292         int                     ctx_idx;
 293         int                     ctx_wrap;
 294         struct aac_fib_context *next, *prev;
 295 };
 296
 297 /*
 298  * Per-controller structure.
 299  */
 300 struct aac_softc
 301 {
 302         /* bus connections */
 303         device_t                aac_dev;
 304         struct resource         *aac_regs_res0, *aac_regs_res1; /* reg. if. window */
 305         int                     aac_regs_rid0, aac_regs_rid1;           /* resource ID */
 306         bus_space_handle_t      aac_bhandle0, aac_bhandle1;             /* bus space handle */
 307         bus_space_tag_t         aac_btag0, aac_btag1;           /* bus space tag */
 308         bus_dma_tag_t           aac_parent_dmat;        /* parent DMA tag */
 309         bus_dma_tag_t           aac_buffer_dmat;        /* data buffer/command
 310                                                          * DMA tag */
 311         struct resource         *aac_irq;               /* interrupt */
 312         int                     aac_irq_rid;
 313         void                    *aac_intr;              /* interrupt handle */
 314         eventhandler_tag        eh;
 315
 316         /* controller features, limits and status */
 317         int                     aac_state;
 318 #define AAC_STATE_SUSPEND       (1<<0)
 319 #define AAC_STATE_OPEN          (1<<1)
 320 #define AAC_STATE_INTERRUPTS_ON (1<<2)
 321 #define AAC_STATE_AIF_SLEEPER   (1<<3)
 322         int                     aac_open_cnt;
 323         struct FsaRevision              aac_revision;
 324
 325         /* controller hardware interface */
 326         int                     aac_hwif;
 327 #define AAC_HWIF_I960RX         0
 328 #define AAC_HWIF_STRONGARM      1
 329 #define AAC_HWIF_FALCON         2
 330 #define AAC_HWIF_RKT            3
 331 #define AAC_HWIF_NARK           4
 332 #define AAC_HWIF_UNKNOWN        -1
 333         bus_dma_tag_t           aac_common_dmat;        /* common structure
 334                                                          * DMA tag */
 335         bus_dmamap_t            aac_common_dmamap;      /* common structure
 336                                                          * DMA map */
 337         struct aac_common       *aac_common;
 338         u_int32_t               aac_common_busaddr;
 339         struct aac_interface    aac_if;
 340
 341         /* command/fib resources */
 342         bus_dma_tag_t           aac_fib_dmat;   /* DMA tag for allocing FIBs */
 343         TAILQ_HEAD(,aac_fibmap) aac_fibmap_tqh;
 344         u_int                   total_fibs;
 345         struct aac_command      *aac_commands;
 346
 347         /* command management */
 348         TAILQ_HEAD(,aac_command) aac_free;      /* command structures
 349                                                  * available for reuse */
 350         TAILQ_HEAD(,aac_command) aac_ready;     /* commands on hold for
 351                                                  * controller resources */
 352         TAILQ_HEAD(,aac_command) aac_busy;
 353         TAILQ_HEAD(,aac_event)  aac_ev_cmfree;
 354         struct bio_queue_head   aac_bioq;
 355         struct aac_queue_table  *aac_queues;
 356         struct aac_queue_entry  *aac_qentries[AAC_QUEUE_COUNT];
 357
 358         struct aac_qstat        aac_qstat[AACQ_COUNT];  /* queue statistics */
 359
 360         /* connected containters */
 361         TAILQ_HEAD(,aac_container)      aac_container_tqh;
 362         struct mtx              aac_container_lock;
 363
 364         /*
 365          * The general I/O lock.  This protects the sync fib, the lists, the
 366          * queues, and the registers.
 367          */
 368         struct mtx              aac_io_lock;
 369
 370         /* delayed activity infrastructure */
 371         struct task             aac_task_complete;      /* deferred-completion
 372                                                          * task */
 373         struct intr_config_hook aac_ich;
 374
 375         /* management interface */
 376         struct cdev *aac_dev_t;
 377         struct mtx              aac_aifq_lock;
 378         struct aac_fib          aac_aifq[AAC_AIFQ_LENGTH];
 379         int                     aifq_idx;
 380         int                     aifq_filled;
 381         struct aac_fib_context *fibctx;
 382         struct selinfo          rcv_select;
 383         struct proc             *aifthread;
 384         int                     aifflags;
 385 #define AAC_AIFFLAGS_RUNNING    (1 << 0)
 386 #define AAC_AIFFLAGS_AIF        (1 << 1)
 387 #define AAC_AIFFLAGS_EXIT       (1 << 2)
 388 #define AAC_AIFFLAGS_EXITED     (1 << 3)
 389 #define AAC_AIFFLAGS_PRINTF     (1 << 4)
 390 #define AAC_AIFFLAGS_ALLOCFIBS  (1 << 5)
 391 #define AAC_AIFFLAGS_PENDING    (AAC_AIFFLAGS_AIF | AAC_AIFFLAGS_PRINTF | \
 392                                  AAC_AIFFLAGS_ALLOCFIBS)
 393         u_int32_t               flags;
 394 #define AAC_FLAGS_PERC2QC       (1 << 0)
 395 #define AAC_FLAGS_ENABLE_CAM    (1 << 1)        /* No SCSI passthrough */
 396 #define AAC_FLAGS_CAM_NORESET   (1 << 2)        /* Fake SCSI resets */
 397 #define AAC_FLAGS_CAM_PASSONLY  (1 << 3)        /* Only create pass devices */
 398 #define AAC_FLAGS_SG_64BIT      (1 << 4)        /* Use 64-bit S/G addresses */
 399 #define AAC_FLAGS_4GB_WINDOW    (1 << 5)        /* Device can access host mem
 400                                                  * 2GB-4GB range */
 401 #define AAC_FLAGS_NO4GB         (1 << 6)        /* Can't access host mem >2GB */
 402 #define AAC_FLAGS_256FIBS       (1 << 7)        /* Can only do 256 commands */
 403 #define AAC_FLAGS_BROKEN_MEMMAP (1 << 8)        /* Broken HostPhysMemPages */
 404 #define AAC_FLAGS_SLAVE (1 << 9)
 405 #define AAC_FLAGS_MASTER        (1 << 10)
 406 #define AAC_FLAGS_NEW_COMM      (1 << 11)       /* New comm. interface supported */
 407 #define AAC_FLAGS_RAW_IO        (1 << 12)       /* Raw I/O interface */
 408 #define AAC_FLAGS_ARRAY_64BIT   (1 << 13)       /* 64-bit array size */
 409 #define AAC_FLAGS_LBA_64BIT     (1 << 14)       /* 64-bit LBA support */
 410
 411         u_int32_t               supported_options;
 412         u_int32_t               scsi_method_id;
 413         TAILQ_HEAD(,aac_sim)    aac_sim_tqh;
 414
 415         struct callout  aac_daemontime;         /* clock daemon callout */
 416
 417         u_int32_t       aac_max_fibs;           /* max. FIB count */
 418         u_int32_t       aac_max_fibs_alloc;             /* max. alloc. per alloc_commands() */
 419         u_int32_t       aac_max_fib_size;               /* max. FIB size */
 420         u_int32_t       aac_sg_tablesize;               /* max. sg count from host */
 421         u_int32_t       aac_max_sectors;                /* max. I/O size from host (blocks) */
 422 };
 423
 424 /*
 425  * Event callback mechanism for the driver
 426  */
 427 #define AAC_EVENT_NONE          0x00
 428 #define AAC_EVENT_CMFREE        0x01
 429 #define AAC_EVENT_MASK          0xff
 430 #define AAC_EVENT_REPEAT        0x100
 431
 432 typedef void aac_event_cb_t(struct aac_softc *sc, struct aac_event *event,
 433     void *arg);
 434 struct aac_event {
 435         TAILQ_ENTRY(aac_event)  ev_links;
 436         int                     ev_type;
 437         aac_event_cb_t          *ev_callback;
 438         void                    *ev_arg;
 439 };
 440
 441 /*
 442  * Public functions
 443  */
 444 extern void             aac_free(struct aac_softc *sc);
 445 extern int              aac_attach(struct aac_softc *sc);
 446 extern int              aac_detach(device_t dev);
 447 extern int              aac_shutdown(device_t dev);
 448 extern int              aac_suspend(device_t dev);
 449 extern int              aac_resume(device_t dev);
 450 extern void             aac_new_intr(void *arg);
 451 extern int              aac_fast_intr(void *arg);
 452 extern void             aac_submit_bio(struct bio *bp);
 453 extern void             aac_biodone(struct bio *bp);
 454 extern void             aac_startio(struct aac_softc *sc);
 455 extern int              aac_alloc_command(struct aac_softc *sc,
 456                                           struct aac_command **cmp);
 457 extern void             aac_release_command(struct aac_command *cm);
 458 extern int              aac_sync_fib(struct aac_softc *sc, u_int32_t command,
 459                                      u_int32_t xferstate, struct aac_fib *fib,
 460                                      u_int16_t datasize);
 461 extern void             aac_add_event(struct aac_softc *sc, struct aac_event
 462                                       *event);
 463
 464 #ifdef AAC_DEBUG
 465 extern int      aac_debug_enable;
 466 # define fwprintf(sc, flags, fmt, args...)                              \
 467 do {                                                                    \
 468         if (!aac_debug_enable)                                          \
 469                 break;                                                  \
 470         if (sc != NULL)                                                 \
 471                 device_printf(((struct aac_softc *)sc)->aac_dev,        \
 472                     "%s: " fmt "\n", __func__, ##args);                 \
 473         else                                                            \
 474                 printf("%s: " fmt "\n", __func__, ##args);              \
 475 } while(0)
 476
 477 extern void     aac_print_queues(struct aac_softc *sc);
 478 extern void     aac_panic(struct aac_softc *sc, char *reason);
 479 extern void     aac_print_fib(struct aac_softc *sc, struct aac_fib *fib,
 480                               const char *caller);
 481 extern void     aac_print_aif(struct aac_softc *sc,
 482                               struct aac_aif_command *aif);
 483
 484 #define AAC_PRINT_FIB(sc, fib)  aac_print_fib(sc, fib, __func__)
 485
 486 #else
 487 # define fwprintf(sc, flags, fmt, args...)
 488
 489 # define aac_print_queues(sc)
 490 # define aac_panic(sc, reason)
 491
 492 # define AAC_PRINT_FIB(sc, fib)
 493 # define aac_print_aif(sc, aac_aif_command)
 494 #endif
 495
 496 struct aac_code_lookup {
 497         char    *string;
 498         u_int32_t       code;
 499 };
 500
 501 /*
 502  * Queue primitives for driver queues.
 503  */
 504 #define AACQ_ADD(sc, qname)                                     \
 505         do {                                                    \
 506                 struct aac_qstat *qs;                           \
 507                                                                 \
 508                 qs = &(sc)->aac_qstat[qname];                   \
 509                                                                 \
 510                 qs->q_length++;                                 \
 511                 if (qs->q_length > qs->q_max)                   \
 512                         qs->q_max = qs->q_length;               \
 513         } while (0)
 514
 515 #define AACQ_REMOVE(sc, qname)    (sc)->aac_qstat[qname].q_length--
 516 #define AACQ_INIT(sc, qname)                            \
 517         do {                                            \
 518                 sc->aac_qstat[qname].q_length = 0;      \
 519                 sc->aac_qstat[qname].q_max = 0;         \
 520         } while (0)
 521
 522
 523 #define AACQ_COMMAND_QUEUE(name, index)                                 \
 524 static __inline void                                                    \
 525 aac_initq_ ## name (struct aac_softc *sc)                               \
 526 {                                                                       \
 527         TAILQ_INIT(&sc->aac_ ## name);                                  \
 528         AACQ_INIT(sc, index);                                           \
 529 }                                                                       \
 530 static __inline void                                                    \
 531 aac_enqueue_ ## name (struct aac_command *cm)                           \
 532 {                                                                       \
 533         if ((cm->cm_flags & AAC_ON_AACQ_MASK) != 0) {                   \
 534                 printf("command %p is on another queue, flags = %#x\n", \
 535                        cm, cm->cm_flags);                               \
 536                 panic("command is on another queue");                   \
 537         }                                                               \
 538         TAILQ_INSERT_TAIL(&cm->cm_sc->aac_ ## name, cm, cm_link);       \
 539         cm->cm_flags |= AAC_ON_ ## index;                               \
 540         AACQ_ADD(cm->cm_sc, index);                                     \
 541 }                                                                       \
 542 static __inline void                                                    \
 543 aac_requeue_ ## name (struct aac_command *cm)                           \
 544 {                                                                       \
 545         if ((cm->cm_flags & AAC_ON_AACQ_MASK) != 0) {                   \
 546                 printf("command %p is on another queue, flags = %#x\n", \
 547                        cm, cm->cm_flags);                               \
 548                 panic("command is on another queue");                   \
 549         }                                                               \
 550         TAILQ_INSERT_HEAD(&cm->cm_sc->aac_ ## name, cm, cm_link);       \
 551         cm->cm_flags |= AAC_ON_ ## index;                               \
 552         AACQ_ADD(cm->cm_sc, index);                                     \
 553 }                                                                       \
 554 static __inline struct aac_command *                                    \
 555 aac_dequeue_ ## name (struct aac_softc *sc)                             \
 556 {                                                                       \
 557         struct aac_command *cm;                                         \
 558                                                                         \
 559         if ((cm = TAILQ_FIRST(&sc->aac_ ## name)) != NULL) {            \
 560                 if ((cm->cm_flags & AAC_ON_ ## index) == 0) {           \
 561                         printf("command %p not in queue, flags = %#x, " \
 562                                "bit = %#x\n", cm, cm->cm_flags,         \
 563                                AAC_ON_ ## index);                       \
 564                         panic("command not in queue");                  \
 565                 }                                                       \
 566                 TAILQ_REMOVE(&sc->aac_ ## name, cm, cm_link);           \
 567                 cm->cm_flags &= ~AAC_ON_ ## index;                      \
 568                 AACQ_REMOVE(sc, index);                                 \
 569         }                                                               \
 570         return(cm);                                                     \
 571 }                                                                       \
 572 static __inline void                                                    \
 573 aac_remove_ ## name (struct aac_command *cm)                            \
 574 {                                                                       \
 575         if ((cm->cm_flags & AAC_ON_ ## index) == 0) {                   \
 576                 printf("command %p not in queue, flags = %#x, "         \
 577                        "bit = %#x\n", cm, cm->cm_flags,                 \
 578                        AAC_ON_ ## index);                               \
 579                 panic("command not in queue");                          \
 580         }                                                               \
 581         TAILQ_REMOVE(&cm->cm_sc->aac_ ## name, cm, cm_link);            \
 582         cm->cm_flags &= ~AAC_ON_ ## index;                              \
 583         AACQ_REMOVE(cm->cm_sc, index);                                  \
 584 }                                                                       \
 585 struct hack
 586
 587 AACQ_COMMAND_QUEUE(free, AACQ_FREE);
 588 AACQ_COMMAND_QUEUE(ready, AACQ_READY);
 589 AACQ_COMMAND_QUEUE(busy, AACQ_BUSY);
 590
 591 /*
 592  * outstanding bio queue
 593  */
 594 static __inline void
 595 aac_initq_bio(struct aac_softc *sc)
 596 {
 597         bioq_init(&sc->aac_bioq);
 598         AACQ_INIT(sc, AACQ_BIO);
 599 }
 600
 601 static __inline void
 602 aac_enqueue_bio(struct aac_softc *sc, struct bio *bp)
 603 {
 604         bioq_insert_tail(&sc->aac_bioq, bp);
 605         AACQ_ADD(sc, AACQ_BIO);
 606 }
 607
 608 static __inline struct bio *
 609 aac_dequeue_bio(struct aac_softc *sc)
 610 {
 611         struct bio *bp;
 612
 613         if ((bp = bioq_first(&sc->aac_bioq)) != NULL) {
 614                 bioq_remove(&sc->aac_bioq, bp);
 615                 AACQ_REMOVE(sc, AACQ_BIO);
 616         }
 617         return(bp);
 618 }
 619
 620 static __inline void
 621 aac_print_printf(struct aac_softc *sc)
 622 {
 623         /*
 624          * XXX We have the ability to read the length of the printf string
 625          * from out of the mailboxes.
 626          */
 627         device_printf(sc->aac_dev, "**Monitor** %.*s", AAC_PRINTF_BUFSIZE,
 628                       sc->aac_common->ac_printf);
 629         sc->aac_common->ac_printf[0] = 0;
 630         AAC_QNOTIFY(sc, AAC_DB_PRINTF);
 631 }
 632
 633 static __inline int
 634 aac_alloc_sync_fib(struct aac_softc *sc, struct aac_fib **fib)
 635 {
 636
 637         mtx_assert(&sc->aac_io_lock, MA_OWNED);
 638         *fib = &sc->aac_common->ac_sync_fib;
 639         return (0);
 640 }
 641
 642 static __inline void
 643 aac_release_sync_fib(struct aac_softc *sc)
 644 {
 645
 646         mtx_assert(&sc->aac_io_lock, MA_OWNED);
 647 }
 648