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/selinfo.h>
  37 #include <sys/sysctl.h>
  38 #include <sys/taskqueue.h>
  39 #include <geom/geom_disk.h>
  40
  41 SYSCTL_DECL(_hw_aac);
  42
  43 #define AAC_TYPE_DEVO                   1
  44 #define AAC_TYPE_ALPHA                  2
  45 #define AAC_TYPE_BETA                   3
  46 #define AAC_TYPE_RELEASE                4
  47
  48 #define AAC_DRIVER_MAJOR_VERSION        2
  49 #define AAC_DRIVER_MINOR_VERSION        1
  50 #define AAC_DRIVER_BUGFIX_LEVEL         9
  51 #define AAC_DRIVER_TYPE                 AAC_TYPE_RELEASE
  52
  53 #ifndef AAC_DRIVER_BUILD
  54 # define AAC_DRIVER_BUILD 1
  55 #endif
  56
  57 /*
  58  * Driver Parameter Definitions
  59  */
  60
  61 /*
  62  * The firmware interface allows for a 16-bit s/g list length.  We limit
  63  * ourselves to a reasonable maximum and ensure alignment.
  64  */
  65 #define AAC_MAXSGENTRIES        64      /* max S/G entries, limit 65535 */
  66
  67 /*
  68  * We allocate a small set of FIBs for the adapter to use to send us messages.
  69  */
  70 #define AAC_ADAPTER_FIBS        8
  71
  72 /*
  73  * The controller reports status events in AIFs.  We hang on to a number of
  74  * these in order to pass them out to user-space management tools.
  75  */
  76 #define AAC_AIFQ_LENGTH         64
  77
  78 /*
  79  * Firmware messages are passed in the printf buffer.
  80  */
  81 #define AAC_PRINTF_BUFSIZE      256
  82
  83 /*
  84  * We wait this many seconds for the adapter to come ready if it is still
  85  * booting
  86  */
  87 #define AAC_BOOT_TIMEOUT        (3 * 60)
  88
  89 /*
  90  * Timeout for immediate commands.
  91  */
  92 #define AAC_IMMEDIATE_TIMEOUT   30              /* seconds */
  93
  94 /*
  95  * Timeout for normal commands
  96  */
  97 #define AAC_CMD_TIMEOUT         120             /* seconds */
  98
  99 /*
 100  * Rate at which we periodically check for timed out commands and kick the
 101  * controller.
 102  */
 103 #define AAC_PERIODIC_INTERVAL   20              /* seconds */
 104
 105 /*
 106  * Per-container data structure
 107  */
 108 struct aac_container
 109 {
 110         struct aac_mntobj               co_mntobj;
 111         device_t                        co_disk;
 112         int                             co_found;
 113         TAILQ_ENTRY(aac_container)      co_link;
 114 };
 115
 116 /*
 117  * Per-SIM data structure
 118  */
 119 struct aac_cam;
 120 struct aac_sim
 121 {
 122         device_t                sim_dev;
 123         int                     TargetsPerBus;
 124         int                     BusNumber;
 125         int                     InitiatorBusId;
 126         struct aac_softc        *aac_sc;
 127         struct aac_cam          *aac_cam;
 128         TAILQ_ENTRY(aac_sim)    sim_link;
 129 };
 130
 131 /*
 132  * Per-disk structure
 133  */
 134 struct aac_disk
 135 {
 136         device_t                        ad_dev;
 137         struct aac_softc                *ad_controller;
 138         struct aac_container            *ad_container;
 139         struct disk                     *ad_disk;
 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 const struct aac_interface       aac_rx_interface;
 249 extern const struct aac_interface       aac_sa_interface;
 250 extern const struct aac_interface       aac_fa_interface;
 251 extern const 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         bus_space_handle_t      aac_bhandle0, aac_bhandle1;             /* bus space handle */
 314         bus_space_tag_t         aac_btag0, aac_btag1;           /* bus space tag */
 315         bus_dma_tag_t           aac_parent_dmat;        /* parent DMA tag */
 316         bus_dma_tag_t           aac_buffer_dmat;        /* data buffer/command
 317                                                          * DMA tag */
 318         struct resource         *aac_irq;               /* interrupt */
 319         void                    *aac_intr;              /* interrupt handle */
 320         eventhandler_tag        eh;
 321
 322         /* controller features, limits and status */
 323         int                     aac_state;
 324 #define AAC_STATE_SUSPEND       (1<<0)
 325 #define AAC_STATE_UNUSED0       (1<<1)
 326 #define AAC_STATE_INTERRUPTS_ON (1<<2)
 327 #define AAC_STATE_AIF_SLEEPER   (1<<3)
 328         struct FsaRevision              aac_revision;
 329
 330         /* controller hardware interface */
 331         int                     aac_hwif;
 332 #define AAC_HWIF_I960RX         0
 333 #define AAC_HWIF_STRONGARM      1
 334 #define AAC_HWIF_RKT            3
 335 #define AAC_HWIF_NARK           4
 336 #define AAC_HWIF_UNKNOWN        -1
 337         bus_dma_tag_t           aac_common_dmat;        /* common structure
 338                                                          * DMA tag */
 339         bus_dmamap_t            aac_common_dmamap;      /* common structure
 340                                                          * DMA map */
 341         struct aac_common       *aac_common;
 342         u_int32_t               aac_common_busaddr;
 343         const struct aac_interface      *aac_if;
 344
 345         /* command/fib resources */
 346         bus_dma_tag_t           aac_fib_dmat;   /* DMA tag for allocing FIBs */
 347         TAILQ_HEAD(,aac_fibmap) aac_fibmap_tqh;
 348         u_int                   total_fibs;
 349         struct aac_command      *aac_commands;
 350
 351         /* command management */
 352         TAILQ_HEAD(,aac_command) aac_free;      /* command structures
 353                                                  * available for reuse */
 354         TAILQ_HEAD(,aac_command) aac_ready;     /* commands on hold for
 355                                                  * controller resources */
 356         TAILQ_HEAD(,aac_command) aac_busy;
 357         TAILQ_HEAD(,aac_event)  aac_ev_cmfree;
 358         struct bio_queue_head   aac_bioq;
 359         struct aac_queue_table  *aac_queues;
 360         struct aac_queue_entry  *aac_qentries[AAC_QUEUE_COUNT];
 361
 362         struct aac_qstat        aac_qstat[AACQ_COUNT];  /* queue statistics */
 363
 364         /* connected containters */
 365         TAILQ_HEAD(,aac_container)      aac_container_tqh;
 366         struct mtx              aac_container_lock;
 367
 368         /*
 369          * The general I/O lock.  This protects the sync fib, the lists, the
 370          * queues, and the registers.
 371          */
 372         struct mtx              aac_io_lock;
 373
 374         /* delayed activity infrastructure */
 375         struct task             aac_task_complete;      /* deferred-completion
 376                                                          * task */
 377         struct intr_config_hook aac_ich;
 378
 379         /* management interface */
 380         struct cdev *aac_dev_t;
 381         struct mtx              aac_aifq_lock;
 382         struct aac_fib          aac_aifq[AAC_AIFQ_LENGTH];
 383         int                     aifq_idx;
 384         int                     aifq_filled;
 385         struct aac_fib_context *fibctx;
 386         struct selinfo          rcv_select;
 387         struct proc             *aifthread;
 388         int                     aifflags;
 389 #define AAC_AIFFLAGS_RUNNING    (1 << 0)
 390 #define AAC_AIFFLAGS_UNUSED0    (1 << 1)
 391 #define AAC_AIFFLAGS_EXIT       (1 << 2)
 392 #define AAC_AIFFLAGS_EXITED     (1 << 3)
 393 #define AAC_AIFFLAGS_UNUSED1    (1 << 4)
 394 #define AAC_AIFFLAGS_ALLOCFIBS  (1 << 5)
 395 #define AAC_AIFFLAGS_PENDING    AAC_AIFFLAGS_ALLOCFIBS
 396         u_int32_t               flags;
 397 #define AAC_FLAGS_PERC2QC       (1 << 0)
 398 #define AAC_FLAGS_ENABLE_CAM    (1 << 1)        /* No SCSI passthrough */
 399 #define AAC_FLAGS_CAM_NORESET   (1 << 2)        /* Fake SCSI resets */
 400 #define AAC_FLAGS_CAM_PASSONLY  (1 << 3)        /* Only create pass devices */
 401 #define AAC_FLAGS_SG_64BIT      (1 << 4)        /* Use 64-bit S/G addresses */
 402 #define AAC_FLAGS_4GB_WINDOW    (1 << 5)        /* Device can access host mem
 403                                                  * 2GB-4GB range */
 404 #define AAC_FLAGS_NO4GB         (1 << 6)        /* Can't access host mem >2GB */
 405 #define AAC_FLAGS_256FIBS       (1 << 7)        /* Can only do 256 commands */
 406 #define AAC_FLAGS_BROKEN_MEMMAP (1 << 8)        /* Broken HostPhysMemPages */
 407 #define AAC_FLAGS_SLAVE (1 << 9)
 408 #define AAC_FLAGS_MASTER        (1 << 10)
 409 #define AAC_FLAGS_NEW_COMM      (1 << 11)       /* New comm. interface supported */
 410 #define AAC_FLAGS_RAW_IO        (1 << 12)       /* Raw I/O interface */
 411 #define AAC_FLAGS_ARRAY_64BIT   (1 << 13)       /* 64-bit array size */
 412 #define AAC_FLAGS_LBA_64BIT     (1 << 14)       /* 64-bit LBA support */
 413
 414         u_int32_t               supported_options;
 415         u_int32_t               scsi_method_id;
 416         TAILQ_HEAD(,aac_sim)    aac_sim_tqh;
 417
 418         struct callout  aac_daemontime;         /* clock daemon callout */
 419
 420         u_int32_t       aac_max_fibs;           /* max. FIB count */
 421         u_int32_t       aac_max_fibs_alloc;             /* max. alloc. per alloc_commands() */
 422         u_int32_t       aac_max_fib_size;               /* max. FIB size */
 423         u_int32_t       aac_sg_tablesize;               /* max. sg count from host */
 424         u_int32_t       aac_max_sectors;                /* max. I/O size from host (blocks) */
 425 #define AAC_CAM_TARGET_WILDCARD ~0
 426         void                    (*cam_rescan_cb)(struct aac_softc *, uint32_t,
 427                                     uint32_t);
 428 };
 429
 430 /*
 431  * Event callback mechanism for the driver
 432  */
 433 #define AAC_EVENT_NONE          0x00
 434 #define AAC_EVENT_CMFREE        0x01
 435 #define AAC_EVENT_MASK          0xff
 436 #define AAC_EVENT_REPEAT        0x100
 437
 438 typedef void aac_event_cb_t(struct aac_softc *sc, struct aac_event *event,
 439     void *arg);
 440 struct aac_event {
 441         TAILQ_ENTRY(aac_event)  ev_links;
 442         int                     ev_type;
 443         aac_event_cb_t          *ev_callback;
 444         void                    *ev_arg;
 445 };
 446
 447 /*
 448  * Public functions
 449  */
 450 extern void             aac_free(struct aac_softc *sc);
 451 extern int              aac_attach(struct aac_softc *sc);
 452 extern int              aac_detach(device_t dev);
 453 extern int              aac_shutdown(device_t dev);
 454 extern int              aac_suspend(device_t dev);
 455 extern int              aac_resume(device_t dev);
 456 extern void             aac_new_intr(void *arg);
 457 extern int              aac_filter(void *arg);
 458 extern void             aac_submit_bio(struct bio *bp);
 459 extern void             aac_biodone(struct bio *bp);
 460 extern void             aac_startio(struct aac_softc *sc);
 461 extern int              aac_alloc_command(struct aac_softc *sc,
 462                                           struct aac_command **cmp);
 463 extern void             aac_release_command(struct aac_command *cm);
 464 extern int              aac_sync_fib(struct aac_softc *sc, u_int32_t command,
 465                                      u_int32_t xferstate, struct aac_fib *fib,
 466                                      u_int16_t datasize);
 467 extern void             aac_add_event(struct aac_softc *sc, struct aac_event
 468                                       *event);
 469
 470 #ifdef AAC_DEBUG
 471 extern int      aac_debug_enable;
 472 # define fwprintf(sc, flags, fmt, args...)                              \
 473 do {                                                                    \
 474         if (!aac_debug_enable)                                          \
 475                 break;                                                  \
 476         if (sc != NULL)                                                 \
 477                 device_printf(((struct aac_softc *)sc)->aac_dev,        \
 478                     "%s: " fmt "\n", __func__, ##args);                 \
 479         else                                                            \
 480                 printf("%s: " fmt "\n", __func__, ##args);              \
 481 } while(0)
 482
 483 extern void     aac_print_queues(struct aac_softc *sc);
 484 extern void     aac_panic(struct aac_softc *sc, char *reason);
 485 extern void     aac_print_fib(struct aac_softc *sc, struct aac_fib *fib,
 486                               const char *caller);
 487 extern void     aac_print_aif(struct aac_softc *sc,
 488                               struct aac_aif_command *aif);
 489
 490 #define AAC_PRINT_FIB(sc, fib)  aac_print_fib(sc, fib, __func__)
 491
 492 #else
 493 # define fwprintf(sc, flags, fmt, args...)
 494
 495 # define aac_print_queues(sc)
 496 # define aac_panic(sc, reason)
 497
 498 # define AAC_PRINT_FIB(sc, fib)
 499 # define aac_print_aif(sc, aac_aif_command)
 500 #endif
 501
 502 struct aac_code_lookup {
 503         const char      *string;
 504         u_int32_t       code;
 505 };
 506
 507 /*
 508  * Queue primitives for driver queues.
 509  */
 510 #define AACQ_ADD(sc, qname)                                     \
 511         do {                                                    \
 512                 struct aac_qstat *qs;                           \
 513                                                                 \
 514                 qs = &(sc)->aac_qstat[qname];                   \
 515                                                                 \
 516                 qs->q_length++;                                 \
 517                 if (qs->q_length > qs->q_max)                   \
 518                         qs->q_max = qs->q_length;               \
 519         } while (0)
 520
 521 #define AACQ_REMOVE(sc, qname)    (sc)->aac_qstat[qname].q_length--
 522 #define AACQ_INIT(sc, qname)                            \
 523         do {                                            \
 524                 sc->aac_qstat[qname].q_length = 0;      \
 525                 sc->aac_qstat[qname].q_max = 0;         \
 526         } while (0)
 527
 528
 529 #define AACQ_COMMAND_QUEUE(name, index)                                 \
 530 static __inline void                                                    \
 531 aac_initq_ ## name (struct aac_softc *sc)                               \
 532 {                                                                       \
 533         TAILQ_INIT(&sc->aac_ ## name);                                  \
 534         AACQ_INIT(sc, index);                                           \
 535 }                                                                       \
 536 static __inline void                                                    \
 537 aac_enqueue_ ## name (struct aac_command *cm)                           \
 538 {                                                                       \
 539         if ((cm->cm_flags & AAC_ON_AACQ_MASK) != 0) {                   \
 540                 panic("aac: command %p is on another queue, flags = %#x", \
 541                     cm, cm->cm_flags);                                  \
 542         }                                                               \
 543         TAILQ_INSERT_TAIL(&cm->cm_sc->aac_ ## name, cm, cm_link);       \
 544         cm->cm_flags |= AAC_ON_ ## index;                               \
 545         AACQ_ADD(cm->cm_sc, index);                                     \
 546 }                                                                       \
 547 static __inline void                                                    \
 548 aac_requeue_ ## name (struct aac_command *cm)                           \
 549 {                                                                       \
 550         if ((cm->cm_flags & AAC_ON_AACQ_MASK) != 0) {                   \
 551                 panic("aac: command %p is on another queue, flags = %#x", \
 552                     cm, cm->cm_flags);                                  \
 553         }                                                               \
 554         TAILQ_INSERT_HEAD(&cm->cm_sc->aac_ ## name, cm, cm_link);       \
 555         cm->cm_flags |= AAC_ON_ ## index;                               \
 556         AACQ_ADD(cm->cm_sc, index);                                     \
 557 }                                                                       \
 558 static __inline struct aac_command *                                    \
 559 aac_dequeue_ ## name (struct aac_softc *sc)                             \
 560 {                                                                       \
 561         struct aac_command *cm;                                         \
 562                                                                         \
 563         if ((cm = TAILQ_FIRST(&sc->aac_ ## name)) != NULL) {            \
 564                 if ((cm->cm_flags & AAC_ON_ ## index) == 0) {           \
 565                         panic("aac: command %p not in queue, flags = %#x, bit = %#x", \
 566                             cm, cm->cm_flags, AAC_ON_ ## index);        \
 567                 }                                                       \
 568                 TAILQ_REMOVE(&sc->aac_ ## name, cm, cm_link);           \
 569                 cm->cm_flags &= ~AAC_ON_ ## index;                      \
 570                 AACQ_REMOVE(sc, index);                                 \
 571         }                                                               \
 572         return(cm);                                                     \
 573 }                                                                       \
 574 static __inline void                                                    \
 575 aac_remove_ ## name (struct aac_command *cm)                            \
 576 {                                                                       \
 577         if ((cm->cm_flags & AAC_ON_ ## index) == 0) {                   \
 578                 panic("aac: command %p not in queue, flags = %#x, bit = %#x", \
 579                     cm, cm->cm_flags, AAC_ON_ ## index);                \
 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
 586 AACQ_COMMAND_QUEUE(free, AACQ_FREE);
 587 AACQ_COMMAND_QUEUE(ready, AACQ_READY);
 588 AACQ_COMMAND_QUEUE(busy, AACQ_BUSY);
 589
 590 /*
 591  * outstanding bio queue
 592  */
 593 static __inline void
 594 aac_initq_bio(struct aac_softc *sc)
 595 {
 596         bioq_init(&sc->aac_bioq);
 597         AACQ_INIT(sc, AACQ_BIO);
 598 }
 599
 600 static __inline void
 601 aac_enqueue_bio(struct aac_softc *sc, struct bio *bp)
 602 {
 603         bioq_insert_tail(&sc->aac_bioq, bp);
 604         AACQ_ADD(sc, AACQ_BIO);
 605 }
 606
 607 static __inline struct bio *
 608 aac_dequeue_bio(struct aac_softc *sc)
 609 {
 610         struct bio *bp;
 611
 612         if ((bp = bioq_first(&sc->aac_bioq)) != NULL) {
 613                 bioq_remove(&sc->aac_bioq, bp);
 614                 AACQ_REMOVE(sc, AACQ_BIO);
 615         }
 616         return(bp);
 617 }
 618
 619 static __inline void
 620 aac_print_printf(struct aac_softc *sc)
 621 {
 622         /*
 623          * XXX We have the ability to read the length of the printf string
 624          * from out of the mailboxes.
 625          */
 626         device_printf(sc->aac_dev, "**Monitor** %.*s", AAC_PRINTF_BUFSIZE,
 627                       sc->aac_common->ac_printf);
 628         sc->aac_common->ac_printf[0] = 0;
 629         AAC_QNOTIFY(sc, AAC_DB_PRINTF);
 630 }
 631
 632 static __inline int
 633 aac_alloc_sync_fib(struct aac_softc *sc, struct aac_fib **fib)
 634 {
 635
 636         mtx_assert(&sc->aac_io_lock, MA_OWNED);
 637         *fib = &sc->aac_common->ac_sync_fib;
 638         return (0);
 639 }
 640
 641 static __inline void
 642 aac_release_sync_fib(struct aac_softc *sc)
 643 {
 644
 645         mtx_assert(&sc->aac_io_lock, MA_OWNED);
 646 }