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 1.60 2010/09/29 14:22:00 emaste Exp $
  30  */
  31
  32 #include <sys/bio.h>
  33 #include <sys/callout.h>
  34 #include <sys/lock.h>
  35 #include <sys/taskqueue.h>
  36 #include <sys/buf2.h>
  37 #include <sys/devicestat.h>
  38 #include <sys/disk.h>
  39 #include <sys/eventhandler.h>
  40
  41 #define AAC_TYPE_DEVO                   1
  42 #define AAC_TYPE_ALPHA                  2
  43 #define AAC_TYPE_BETA                   3
  44 #define AAC_TYPE_RELEASE                4
  45
  46 #define AAC_DRIVER_MAJOR_VERSION        2
  47 #define AAC_DRIVER_MINOR_VERSION        1
  48 #define AAC_DRIVER_BUGFIX_LEVEL         9
  49 #define AAC_DRIVER_TYPE                 AAC_TYPE_RELEASE
  50
  51 #ifndef AAC_DRIVER_BUILD
  52 # define AAC_DRIVER_BUILD 1
  53 #endif
  54
  55 /*
  56  * Driver Parameter Definitions
  57  */
  58
  59 /*
  60  * The firmware interface allows for a 16-bit s/g list length.  We limit
  61  * ourselves to a reasonable maximum and ensure alignment.
  62  */
  63 #define AAC_MAXSGENTRIES        64      /* max S/G entries, limit 65535 */
  64
  65 /*
  66  * We allocate a small set of FIBs for the adapter to use to send us messages.
  67  */
  68 #define AAC_ADAPTER_FIBS        8
  69
  70 /*
  71  * The controller reports status events in AIFs.  We hang on to a number of
  72  * these in order to pass them out to user-space management tools.
  73  */
  74 #define AAC_AIFQ_LENGTH         64
  75
  76 /*
  77  * Firmware messages are passed in the kprintf buffer.
  78  */
  79 #define AAC_PRINTF_BUFSIZE      256
  80
  81 /*
  82  * We wait this many seconds for the adapter to come ready if it is still
  83  * booting
  84  */
  85 #define AAC_BOOT_TIMEOUT        (3 * 60)
  86
  87 /*
  88  * Timeout for immediate commands.
  89  */
  90 #define AAC_IMMEDIATE_TIMEOUT   30              /* seconds */
  91
  92 /*
  93  * Timeout for normal commands
  94  */
  95 #define AAC_CMD_TIMEOUT         120             /* seconds */
  96
  97 /*
  98  * Rate at which we periodically check for timed out commands and kick the
  99  * controller.
 100  */
 101 #define AAC_PERIODIC_INTERVAL   20              /* seconds */
 102
 103 /*
 104  * Per-container data structure
 105  */
 106 struct aac_container
 107 {
 108         struct aac_mntobj               co_mntobj;
 109         device_t                        co_disk;
 110         int                             co_found;
 111         TAILQ_ENTRY(aac_container)      co_link;
 112 };
 113
 114 /*
 115  * Per-SIM data structure
 116  */
 117 struct aac_cam;
 118 struct aac_sim
 119 {
 120         device_t                sim_dev;
 121         int                     TargetsPerBus;
 122         int                     BusNumber;
 123         int                     InitiatorBusId;
 124         struct aac_softc        *aac_sc;
 125         struct aac_cam          *aac_cam;
 126         TAILQ_ENTRY(aac_sim)    sim_link;
 127 };
 128
 129 /*
 130  * Per-disk structure
 131  */
 132 struct aac_disk
 133 {
 134         device_t                        ad_dev;
 135         cdev_t                          ad_dev_t;
 136         struct aac_softc                *ad_controller;
 137         struct aac_container            *ad_container;
 138         struct disk                     ad_disk;
 139         struct devstat                  ad_stats;
 140         int                             ad_flags;
 141 #define AAC_DISK_OPEN   (1<<0)
 142         int                             ad_cylinders;
 143         int                             ad_heads;
 144         int                             ad_sectors;
 145         u_int64_t                       ad_size;
 146         int                             unit;
 147 };
 148
 149 /*
 150  * Per-command control structure.
 151  */
 152 struct aac_command
 153 {
 154         TAILQ_ENTRY(aac_command) cm_link;       /* list linkage */
 155
 156         struct aac_softc        *cm_sc;         /* controller that owns us */
 157
 158         struct aac_fib          *cm_fib;        /* FIB associated with this
 159                                                  * command */
 160         u_int64_t               cm_fibphys;     /* bus address of the FIB */
 161         struct bio              *cm_data;       /* pointer to data in kernel
 162                                                  * space */
 163         u_int32_t               cm_datalen;     /* data length */
 164         bus_dmamap_t            cm_datamap;     /* DMA map for bio data */
 165         struct aac_sg_table     *cm_sgtable;    /* pointer to s/g table in
 166                                                  * command */
 167         int                     cm_flags;
 168 #define AAC_CMD_MAPPED          (1<<0)          /* command has had its data
 169                                                  * mapped */
 170 #define AAC_CMD_DATAIN          (1<<1)          /* command involves data moving
 171                                                  * from controller to host */
 172 #define AAC_CMD_DATAOUT         (1<<2)          /* command involves data moving
 173                                                  * from host to controller */
 174 #define AAC_CMD_COMPLETED       (1<<3)          /* command has been completed */
 175 #define AAC_CMD_TIMEDOUT        (1<<4)          /* command taken too long */
 176 #define AAC_ON_AACQ_FREE        (1<<5)
 177 #define AAC_ON_AACQ_READY       (1<<6)
 178 #define AAC_ON_AACQ_BUSY        (1<<7)
 179 #define AAC_ON_AACQ_AIF         (1<<8)
 180 #define AAC_ON_AACQ_NORM        (1<<10)
 181 #define AAC_ON_AACQ_MASK        ((1<<5)|(1<<6)|(1<<7)|(1<<8)|(1<<10))
 182 #define AAC_QUEUE_FRZN          (1<<9)          /* Freeze the processing of
 183                                                  * commands on the queue. */
 184
 185         void                    (* cm_complete)(struct aac_command *cm);
 186         void                    *cm_private;
 187         time_t                  cm_timestamp;   /* command creation time */
 188         int                     cm_queue;
 189         int                     cm_index;
 190 };
 191
 192 struct aac_fibmap {
 193         TAILQ_ENTRY(aac_fibmap) fm_link;        /* list linkage */
 194         struct aac_fib          *aac_fibs;
 195         bus_dmamap_t            aac_fibmap;
 196         struct aac_command      *aac_commands;
 197 };
 198
 199 /*
 200  * We gather a number of adapter-visible items into a single structure.
 201  *
 202  * The ordering of this strucure may be important; we copy the Linux driver:
 203  *
 204  * Adapter FIBs
 205  * Init struct
 206  * Queue headers (Comm Area)
 207  * Printf buffer
 208  *
 209  * In addition, we add:
 210  * Sync Fib
 211  */
 212 struct aac_common {
 213         /* fibs for the controller to send us messages */
 214         struct aac_fib          ac_fibs[AAC_ADAPTER_FIBS];
 215
 216         /* the init structure */
 217         struct aac_adapter_init ac_init;
 218
 219         /* arena within which the queue structures are kept */
 220         u_int8_t                ac_qbuf[sizeof(struct aac_queue_table) +
 221                                 AAC_QUEUE_ALIGN];
 222
 223         /* buffer for text messages from the controller */
 224         char                    ac_printf[AAC_PRINTF_BUFSIZE];
 225
 226         /* fib for synchronous commands */
 227         struct aac_fib          ac_sync_fib;
 228 };
 229
 230 /*
 231  * Interface operations
 232  */
 233 struct aac_interface
 234 {
 235         int     (*aif_get_fwstatus)(struct aac_softc *sc);
 236         void    (*aif_qnotify)(struct aac_softc *sc, int qbit);
 237         int     (*aif_get_istatus)(struct aac_softc *sc);
 238         void    (*aif_clr_istatus)(struct aac_softc *sc, int mask);
 239         void    (*aif_set_mailbox)(struct aac_softc *sc, u_int32_t command,
 240                                    u_int32_t arg0, u_int32_t arg1,
 241                                    u_int32_t arg2, u_int32_t arg3);
 242         int     (*aif_get_mailbox)(struct aac_softc *sc, int mb);
 243         void    (*aif_set_interrupts)(struct aac_softc *sc, int enable);
 244         int (*aif_send_command)(struct aac_softc *sc, struct aac_command *cm);
 245         int (*aif_get_outb_queue)(struct aac_softc *sc);
 246         void (*aif_set_outb_queue)(struct aac_softc *sc, int index);
 247 };
 248 extern struct aac_interface     aac_rx_interface;
 249 extern struct aac_interface     aac_sa_interface;
 250 extern struct aac_interface     aac_fa_interface;
 251 extern struct aac_interface     aac_rkt_interface;
 252
 253 #define AAC_GET_FWSTATUS(sc)            ((sc)->aac_if.aif_get_fwstatus((sc)))
 254 #define AAC_QNOTIFY(sc, qbit)           ((sc)->aac_if.aif_qnotify((sc), (qbit)))
 255 #define AAC_GET_ISTATUS(sc)             ((sc)->aac_if.aif_get_istatus((sc)))
 256 #define AAC_CLEAR_ISTATUS(sc, mask)     ((sc)->aac_if.aif_clr_istatus((sc), \
 257                                         (mask)))
 258 #define AAC_SET_MAILBOX(sc, command, arg0, arg1, arg2, arg3) \
 259         ((sc)->aac_if.aif_set_mailbox((sc), (command), (arg0), (arg1), (arg2), \
 260         (arg3)))
 261 #define AAC_GET_MAILBOX(sc, mb)         ((sc)->aac_if.aif_get_mailbox((sc), \
 262                                         (mb)))
 263 #define AAC_MASK_INTERRUPTS(sc)         ((sc)->aac_if.aif_set_interrupts((sc), \
 264                                         0))
 265 #define AAC_UNMASK_INTERRUPTS(sc)       ((sc)->aac_if.aif_set_interrupts((sc), \
 266                                         1))
 267 #define AAC_SEND_COMMAND(sc, cm)        ((sc)->aac_if.aif_send_command((sc), (cm)))
 268 #define AAC_GET_OUTB_QUEUE(sc)          ((sc)->aac_if.aif_get_outb_queue((sc)))
 269 #define AAC_SET_OUTB_QUEUE(sc, idx)     ((sc)->aac_if.aif_set_outb_queue((sc), (idx)))
 270
 271 #define AAC_MEM0_SETREG4(sc, reg, val)  bus_space_write_4(sc->aac_btag0, \
 272                                         sc->aac_bhandle0, reg, val)
 273 #define AAC_MEM0_GETREG4(sc, reg)       bus_space_read_4(sc->aac_btag0, \
 274                                         sc->aac_bhandle0, reg)
 275 #define AAC_MEM0_SETREG2(sc, reg, val)  bus_space_write_2(sc->aac_btag0, \
 276                                         sc->aac_bhandle0, reg, val)
 277 #define AAC_MEM0_GETREG2(sc, reg)       bus_space_read_2(sc->aac_btag0, \
 278                                         sc->aac_bhandle0, reg)
 279 #define AAC_MEM0_SETREG1(sc, reg, val)  bus_space_write_1(sc->aac_btag0, \
 280                                         sc->aac_bhandle0, reg, val)
 281 #define AAC_MEM0_GETREG1(sc, reg)       bus_space_read_1(sc->aac_btag0, \
 282                                         sc->aac_bhandle0, reg)
 283
 284 #define AAC_MEM1_SETREG4(sc, reg, val)  bus_space_write_4(sc->aac_btag1, \
 285                                         sc->aac_bhandle1, reg, val)
 286 #define AAC_MEM1_GETREG4(sc, reg)       bus_space_read_4(sc->aac_btag1, \
 287                                         sc->aac_bhandle1, reg)
 288 #define AAC_MEM1_SETREG2(sc, reg, val)  bus_space_write_2(sc->aac_btag1, \
 289                                         sc->aac_bhandle1, reg, val)
 290 #define AAC_MEM1_GETREG2(sc, reg)       bus_space_read_2(sc->aac_btag1, \
 291                                         sc->aac_bhandle1, reg)
 292 #define AAC_MEM1_SETREG1(sc, reg, val)  bus_space_write_1(sc->aac_btag1, \
 293                                         sc->aac_bhandle1, reg, val)
 294 #define AAC_MEM1_GETREG1(sc, reg)       bus_space_read_1(sc->aac_btag1, \
 295                                         sc->aac_bhandle1, reg)
 296
 297 /* fib context (IOCTL) */
 298 struct aac_fib_context {
 299         u_int32_t               unique;
 300         int                     ctx_idx;
 301         int                     ctx_wrap;
 302         struct aac_fib_context *next, *prev;
 303 };
 304
 305 /*
 306  * Per-controller structure.
 307  */
 308 struct aac_softc
 309 {
 310         /* bus connections */
 311         device_t                aac_dev;
 312         struct resource         *aac_regs_res0, *aac_regs_res1; /* reg. if. window */
 313         int                     aac_regs_rid0, aac_regs_rid1;           /* resource ID */
 314         bus_space_handle_t      aac_bhandle0, aac_bhandle1;             /* bus space handle */
 315         bus_space_tag_t         aac_btag0, aac_btag1;           /* bus space tag */
 316         bus_dma_tag_t           aac_parent_dmat;        /* parent DMA tag */
 317         bus_dma_tag_t           aac_buffer_dmat;        /* data buffer/command
 318                                                          * DMA tag */
 319         struct resource         *aac_irq;               /* interrupt */
 320         int                     aac_irq_rid;
 321         void                    *aac_intr;              /* interrupt handle */
 322         eventhandler_tag        eh;
 323
 324         /* controller features, limits and status */
 325         int                     aac_state;
 326 #define AAC_STATE_SUSPEND       (1<<0)
 327 #define AAC_STATE_UNUSED0       (1<<1)
 328 #define AAC_STATE_INTERRUPTS_ON (1<<2)
 329 #define AAC_STATE_AIF_SLEEPER   (1<<3)
 330         struct FsaRevision              aac_revision;
 331
 332         /* controller hardware interface */
 333         int                     aac_hwif;
 334 #define AAC_HWIF_I960RX         0
 335 #define AAC_HWIF_STRONGARM      1
 336 #define AAC_HWIF_RKT            3
 337 #define AAC_HWIF_NARK           4
 338 #define AAC_HWIF_UNKNOWN        -1
 339         bus_dma_tag_t           aac_common_dmat;        /* common structure
 340                                                          * DMA tag */
 341         bus_dmamap_t            aac_common_dmamap;      /* common structure
 342                                                          * DMA map */
 343         struct aac_common       *aac_common;
 344         u_int32_t               aac_common_busaddr;
 345         struct aac_interface    aac_if;
 346
 347         /* command/fib resources */
 348         bus_dma_tag_t           aac_fib_dmat;   /* DMA tag for allocing FIBs */
 349         TAILQ_HEAD(,aac_fibmap) aac_fibmap_tqh;
 350         u_int                   total_fibs;
 351         struct aac_command      *aac_commands;
 352
 353         /* command management */
 354         TAILQ_HEAD(,aac_command) aac_free;      /* command structures
 355                                                  * available for reuse */
 356         TAILQ_HEAD(,aac_command) aac_ready;     /* commands on hold for
 357                                                  * controller resources */
 358         TAILQ_HEAD(,aac_command) aac_busy;
 359         TAILQ_HEAD(,aac_event)  aac_ev_cmfree;
 360         struct bio_queue_head   aac_bioq;
 361         struct aac_queue_table  *aac_queues;
 362         struct aac_queue_entry  *aac_qentries[AAC_QUEUE_COUNT];
 363
 364         struct aac_qstat        aac_qstat[AACQ_COUNT];  /* queue statistics */
 365
 366         /* connected containters */
 367         TAILQ_HEAD(,aac_container)      aac_container_tqh;
 368         struct lock             aac_container_lock;
 369
 370         /*
 371          * The general I/O lock.  This protects the sync fib, the lists, the
 372          * queues, and the registers.
 373          */
 374         struct lock             aac_io_lock;
 375
 376         /* delayed activity infrastructure */
 377         struct task             aac_task_complete;      /* deferred-completion
 378                                                          * task */
 379         struct intr_config_hook aac_ich;
 380
 381         /* management interface */
 382         struct cdev *aac_dev_t;
 383         struct lock             aac_aifq_lock;
 384         struct aac_fib          aac_aifq[AAC_AIFQ_LENGTH];
 385         int                     aifq_idx;
 386         int                     aifq_filled;
 387         struct aac_fib_context *fibctx;
 388         struct kqinfo           rcv_kq;
 389         struct thread           *aifthread;
 390         int                     aifflags;
 391 #define AAC_AIFFLAGS_RUNNING    (1 << 0)
 392 #define AAC_AIFFLAGS_AIF        (1 << 1)
 393 #define AAC_AIFFLAGS_EXIT       (1 << 2)
 394 #define AAC_AIFFLAGS_EXITED     (1 << 3)
 395 #define AAC_AIFFLAGS_PRINTF     (1 << 4)
 396 #define AAC_AIFFLAGS_ALLOCFIBS  (1 << 5)
 397 #define AAC_AIFFLAGS_PENDING    (AAC_AIFFLAGS_AIF | AAC_AIFFLAGS_PRINTF | \
 398                                  AAC_AIFFLAGS_ALLOCFIBS)
 399         u_int32_t               flags;
 400 #define AAC_FLAGS_PERC2QC       (1 << 0)
 401 #define AAC_FLAGS_ENABLE_CAM    (1 << 1)        /* No SCSI passthrough */
 402 #define AAC_FLAGS_CAM_NORESET   (1 << 2)        /* Fake SCSI resets */
 403 #define AAC_FLAGS_CAM_PASSONLY  (1 << 3)        /* Only create pass devices */
 404 #define AAC_FLAGS_SG_64BIT      (1 << 4)        /* Use 64-bit S/G addresses */
 405 #define AAC_FLAGS_4GB_WINDOW    (1 << 5)        /* Device can access host mem
 406                                                  * 2GB-4GB range */
 407 #define AAC_FLAGS_NO4GB         (1 << 6)        /* Can't access host mem >2GB */
 408 #define AAC_FLAGS_256FIBS       (1 << 7)        /* Can only do 256 commands */
 409 #define AAC_FLAGS_BROKEN_MEMMAP (1 << 8)        /* Broken HostPhysMemPages */
 410 #define AAC_FLAGS_SLAVE (1 << 9)
 411 #define AAC_FLAGS_MASTER        (1 << 10)
 412 #define AAC_FLAGS_NEW_COMM      (1 << 11)       /* New comm. interface supported */
 413 #define AAC_FLAGS_RAW_IO        (1 << 12)       /* Raw I/O interface */
 414 #define AAC_FLAGS_ARRAY_64BIT   (1 << 13)       /* 64-bit array size */
 415 #define AAC_FLAGS_LBA_64BIT     (1 << 14)       /* 64-bit LBA support */
 416
 417         u_int32_t               supported_options;
 418         u_int32_t               scsi_method_id;
 419         TAILQ_HEAD(,aac_sim)    aac_sim_tqh;
 420
 421         struct callout  aac_daemontime;         /* clock daemon callout */
 422
 423         u_int32_t       aac_max_fibs;           /* max. FIB count */
 424         u_int32_t       aac_max_fibs_alloc;             /* max. alloc. per alloc_commands() */
 425         u_int32_t       aac_max_fib_size;               /* max. FIB size */
 426         u_int32_t       aac_sg_tablesize;               /* max. sg count from host */
 427         u_int32_t       aac_max_sectors;                /* max. I/O size from host (blocks) */
 428 #define AAC_CAM_TARGET_WILDCARD ~0
 429         void                    (*cam_rescan_cb)(struct aac_softc *, uint32_t,
 430                                     uint32_t);
 431 };
 432
 433 /*
 434  * Event callback mechanism for the driver
 435  */
 436 #define AAC_EVENT_NONE          0x00
 437 #define AAC_EVENT_CMFREE        0x01
 438 #define AAC_EVENT_MASK          0xff
 439 #define AAC_EVENT_REPEAT        0x100
 440
 441 typedef void aac_event_cb_t(struct aac_softc *sc, struct aac_event *event,
 442     void *arg);
 443 struct aac_event {
 444         TAILQ_ENTRY(aac_event)  ev_links;
 445         int                     ev_type;
 446         aac_event_cb_t          *ev_callback;
 447         void                    *ev_arg;
 448 };
 449
 450 /*
 451  * Public functions
 452  */
 453 extern void             aac_free(struct aac_softc *sc);
 454 extern int              aac_attach(struct aac_softc *sc);
 455 extern int              aac_detach(device_t dev);
 456 extern int              aac_shutdown(device_t dev);
 457 extern int              aac_suspend(device_t dev);
 458 extern int              aac_resume(device_t dev);
 459 extern void             aac_new_intr(void *arg);
 460 extern void             aac_filter(void *arg);
 461 extern void             aac_submit_bio(struct aac_disk *ad, struct bio *bio);
 462 extern void             aac_biodone(struct bio *bio, const char *code);
 463 extern void             aac_startio(struct aac_softc *sc);
 464 extern int              aac_alloc_command(struct aac_softc *sc,
 465                                           struct aac_command **cmp);
 466 extern void             aac_release_command(struct aac_command *cm);
 467 extern int              aac_sync_fib(struct aac_softc *sc, u_int32_t command,
 468                                      u_int32_t xferstate, struct aac_fib *fib,
 469                                      u_int16_t datasize);
 470 extern void             aac_add_event(struct aac_softc *sc, struct aac_event
 471                                       *event);
 472
 473 #ifdef AAC_DEBUG
 474 extern int      aac_debug_enable;
 475 # define fwprintf(sc, flags, fmt, args...)                              \
 476 do {                                                                    \
 477         if (!aac_debug_enable)                                          \
 478                 break;                                                  \
 479         if (sc != NULL)                                                 \
 480                 device_printf(((struct aac_softc *)sc)->aac_dev,        \
 481                     "%s: " fmt "\n", __func__, ##args);                 \
 482         else                                                            \
 483                 kprintf("%s: " fmt "\n", __func__, ##args);             \
 484 } while(0)
 485
 486 extern void     aac_print_queues(struct aac_softc *sc);
 487 extern void     aac_panic(struct aac_softc *sc, char *reason);
 488 extern void     aac_print_fib(struct aac_softc *sc, struct aac_fib *fib,
 489                               const char *caller);
 490 extern void     aac_print_aif(struct aac_softc *sc,
 491                               struct aac_aif_command *aif);
 492
 493 #define AAC_PRINT_FIB(sc, fib)  aac_print_fib(sc, fib, __func__)
 494
 495 #else
 496 # define fwprintf(sc, flags, fmt, args...)
 497
 498 # define aac_print_queues(sc)
 499 # define aac_panic(sc, reason)
 500
 501 # define AAC_PRINT_FIB(sc, fib)
 502 # define aac_print_aif(sc, aac_aif_command)
 503 #endif
 504
 505 struct aac_code_lookup {
 506         char    *string;
 507         u_int32_t       code;
 508 };
 509
 510 /*
 511  * Queue primitives for driver queues.
 512  */
 513 #define AACQ_ADD(sc, qname)                                     \
 514         do {                                                    \
 515                 struct aac_qstat *qs;                           \
 516                                                                 \
 517                 qs = &(sc)->aac_qstat[qname];                   \
 518                                                                 \
 519                 qs->q_length++;                                 \
 520                 if (qs->q_length > qs->q_max)                   \
 521                         qs->q_max = qs->q_length;               \
 522         } while (0)
 523
 524 #define AACQ_REMOVE(sc, qname)    (sc)->aac_qstat[qname].q_length--
 525 #define AACQ_INIT(sc, qname)                            \
 526         do {                                            \
 527                 sc->aac_qstat[qname].q_length = 0;      \
 528                 sc->aac_qstat[qname].q_max = 0;         \
 529         } while (0)
 530
 531
 532 #define AACQ_COMMAND_QUEUE(name, index)                                 \
 533 static __inline void                                                    \
 534 aac_initq_ ## name (struct aac_softc *sc)                               \
 535 {                                                                       \
 536         TAILQ_INIT(&sc->aac_ ## name);                                  \
 537         AACQ_INIT(sc, index);                                           \
 538 }                                                                       \
 539 static __inline void                                                    \
 540 aac_enqueue_ ## name (struct aac_command *cm)                           \
 541 {                                                                       \
 542         if ((cm->cm_flags & AAC_ON_AACQ_MASK) != 0) {                   \
 543                 kprintf("command %p is on another queue, flags = %#x\n", \
 544                        cm, cm->cm_flags);                               \
 545                 panic("command is on another queue");                   \
 546         }                                                               \
 547         TAILQ_INSERT_TAIL(&cm->cm_sc->aac_ ## name, cm, cm_link);       \
 548         cm->cm_flags |= AAC_ON_ ## index;                               \
 549         AACQ_ADD(cm->cm_sc, index);                                     \
 550 }                                                                       \
 551 static __inline void                                                    \
 552 aac_requeue_ ## name (struct aac_command *cm)                           \
 553 {                                                                       \
 554         if ((cm->cm_flags & AAC_ON_AACQ_MASK) != 0) {                   \
 555                 kprintf("command %p is on another queue, flags = %#x\n", \
 556                        cm, cm->cm_flags);                               \
 557                 panic("command is on another queue");                   \
 558         }                                                               \
 559         TAILQ_INSERT_HEAD(&cm->cm_sc->aac_ ## name, cm, cm_link);       \
 560         cm->cm_flags |= AAC_ON_ ## index;                               \
 561         AACQ_ADD(cm->cm_sc, index);                                     \
 562 }                                                                       \
 563 static __inline struct aac_command *                                    \
 564 aac_dequeue_ ## name (struct aac_softc *sc)                             \
 565 {                                                                       \
 566         struct aac_command *cm;                                         \
 567                                                                         \
 568         if ((cm = TAILQ_FIRST(&sc->aac_ ## name)) != NULL) {            \
 569                 if ((cm->cm_flags & AAC_ON_ ## index) == 0) {           \
 570                         kprintf("command %p not in queue, flags = %#x, " \
 571                                "bit = %#x\n", cm, cm->cm_flags,         \
 572                                AAC_ON_ ## index);                       \
 573                         panic("command not in queue");                  \
 574                 }                                                       \
 575                 TAILQ_REMOVE(&sc->aac_ ## name, cm, cm_link);           \
 576                 cm->cm_flags &= ~AAC_ON_ ## index;                      \
 577                 AACQ_REMOVE(sc, index);                                 \
 578         }                                                               \
 579         return(cm);                                                     \
 580 }                                                                       \
 581 static __inline void                                                    \
 582 aac_remove_ ## name (struct aac_command *cm)                            \
 583 {                                                                       \
 584         if ((cm->cm_flags & AAC_ON_ ## index) == 0) {                   \
 585                 kprintf("command %p not in queue, flags = %#x, "        \
 586                        "bit = %#x\n", cm, cm->cm_flags,                 \
 587                        AAC_ON_ ## index);                               \
 588                 panic("command not in queue");                          \
 589         }                                                               \
 590         TAILQ_REMOVE(&cm->cm_sc->aac_ ## name, cm, cm_link);            \
 591         cm->cm_flags &= ~AAC_ON_ ## index;                              \
 592         AACQ_REMOVE(cm->cm_sc, index);                                  \
 593 }                                                                       \
 594 struct hack
 595
 596 AACQ_COMMAND_QUEUE(free, AACQ_FREE);
 597 AACQ_COMMAND_QUEUE(ready, AACQ_READY);
 598 AACQ_COMMAND_QUEUE(busy, AACQ_BUSY);
 599
 600 /*
 601  * outstanding bio queue
 602  */
 603 static __inline void
 604 aac_initq_bio(struct aac_softc *sc)
 605 {
 606         bioq_init(&sc->aac_bioq);
 607         AACQ_INIT(sc, AACQ_BIO);
 608 }
 609
 610 static __inline void
 611 aac_enqueue_bio(struct aac_softc *sc, struct bio *bio)
 612 {
 613         bioq_insert_tail(&sc->aac_bioq, bio);
 614         AACQ_ADD(sc, AACQ_BIO);
 615 }
 616
 617 static __inline struct bio *
 618 aac_dequeue_bio(struct aac_softc *sc)
 619 {
 620         struct bio *bio;
 621
 622         if ((bio = bioq_first(&sc->aac_bioq)) != NULL) {
 623                 bioq_remove(&sc->aac_bioq, bio);
 624                 AACQ_REMOVE(sc, AACQ_BIO);
 625         }
 626         return(bio);
 627 }
 628
 629 static __inline void
 630 aac_print_printf(struct aac_softc *sc)
 631 {
 632         /*
 633          * XXX We have the ability to read the length of the kprintf string
 634          * from out of the mailboxes.
 635          */
 636         device_printf(sc->aac_dev, "**Monitor** %.*s", AAC_PRINTF_BUFSIZE,
 637                       sc->aac_common->ac_printf);
 638         sc->aac_common->ac_printf[0] = 0;
 639         AAC_QNOTIFY(sc, AAC_DB_PRINTF);
 640 }
 641
 642 static __inline int
 643 aac_alloc_sync_fib(struct aac_softc *sc, struct aac_fib **fib)
 644 {
 645
 646         KKASSERT(lockstatus(&sc->aac_io_lock, curthread) != 0);
 647         *fib = &sc->aac_common->ac_sync_fib;
 648         return (0);
 649 }
 650
 651 static __inline void
 652 aac_release_sync_fib(struct aac_softc *sc)
 653 {
 654
 655         KKASSERT(lockstatus(&sc->aac_io_lock, curthread) != 0);
 656 }
 657