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 1.63 2011/06/10 20:23:56 attilio 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 #include <sys/sysctl.h>
  41
  42 #define AAC_TYPE_DEVO                   1
  43 #define AAC_TYPE_ALPHA                  2
  44 #define AAC_TYPE_BETA                   3
  45 #define AAC_TYPE_RELEASE                4
  46
  47 #define AAC_DRIVER_MAJOR_VERSION        2
  48 #define AAC_DRIVER_MINOR_VERSION        1
  49 #define AAC_DRIVER_BUGFIX_LEVEL         9
  50 #define AAC_DRIVER_TYPE                 AAC_TYPE_RELEASE
  51
  52 #ifndef AAC_DRIVER_BUILD
  53 # define AAC_DRIVER_BUILD 1
  54 #endif
  55
  56 /*
  57  * Driver Parameter Definitions
  58  */
  59
  60 /*
  61  * The firmware interface allows for a 16-bit s/g list length.  We limit
  62  * ourselves to a reasonable maximum and ensure alignment.
  63  */
  64 #define AAC_MAXSGENTRIES        64      /* max S/G entries, limit 65535 */
  65
  66 /*
  67  * We allocate a small set of FIBs for the adapter to use to send us messages.
  68  */
  69 #define AAC_ADAPTER_FIBS        8
  70
  71 /*
  72  * The controller reports status events in AIFs.  We hang on to a number of
  73  * these in order to pass them out to user-space management tools.
  74  */
  75 #define AAC_AIFQ_LENGTH         64
  76
  77 /*
  78  * Firmware messages are passed in the kprintf buffer.
  79  */
  80 #define AAC_PRINTF_BUFSIZE      256
  81
  82 /*
  83  * We wait this many seconds for the adapter to come ready if it is still
  84  * booting
  85  */
  86 #define AAC_BOOT_TIMEOUT        (3 * 60)
  87
  88 /*
  89  * Timeout for immediate commands.
  90  */
  91 #define AAC_IMMEDIATE_TIMEOUT   30              /* seconds */
  92
  93 /*
  94  * Timeout for normal commands
  95  */
  96 #define AAC_CMD_TIMEOUT         120             /* seconds */
  97
  98 /*
  99  * Rate at which we periodically check for timed out commands and kick the
 100  * controller.
 101  */
 102 #define AAC_PERIODIC_INTERVAL   20              /* seconds */
 103
 104 /*
 105  * Per-container data structure
 106  */
 107 struct aac_container
 108 {
 109         struct aac_mntobj               co_mntobj;
 110         device_t                        co_disk;
 111         int                             co_found;
 112         TAILQ_ENTRY(aac_container)      co_link;
 113 };
 114
 115 /*
 116  * Per-SIM data structure
 117  */
 118 struct aac_cam;
 119 struct aac_sim
 120 {
 121         device_t                sim_dev;
 122         int                     TargetsPerBus;
 123         int                     BusNumber;
 124         int                     InitiatorBusId;
 125         struct aac_softc        *aac_sc;
 126         struct aac_cam          *aac_cam;
 127         TAILQ_ENTRY(aac_sim)    sim_link;
 128 };
 129
 130 /*
 131  * Per-disk structure
 132  */
 133 struct aac_disk
 134 {
 135         device_t                        ad_dev;
 136         cdev_t                          ad_dev_t;
 137         struct aac_softc                *ad_controller;
 138         struct aac_container            *ad_container;
 139         struct disk                     ad_disk;
 140         struct devstat                  ad_stats;
 141         int                             ad_flags;
 142 #define AAC_DISK_OPEN   (1<<0)
 143         int                             ad_cylinders;
 144         int                             ad_heads;
 145         int                             ad_sectors;
 146         u_int64_t                       ad_size;
 147         int                             unit;
 148 };
 149
 150 /*
 151  * Per-command control structure.
 152  */
 153 struct aac_command
 154 {
 155         TAILQ_ENTRY(aac_command) cm_link;       /* list linkage */
 156
 157         struct aac_softc        *cm_sc;         /* controller that owns us */
 158
 159         struct aac_fib          *cm_fib;        /* FIB associated with this
 160                                                  * command */
 161         u_int64_t               cm_fibphys;     /* bus address of the FIB */
 162         struct bio              *cm_data;       /* pointer to data in kernel
 163                                                  * space */
 164         u_int32_t               cm_datalen;     /* data length */
 165         bus_dmamap_t            cm_datamap;     /* DMA map for bio data */
 166         struct aac_sg_table     *cm_sgtable;    /* pointer to s/g table in
 167                                                  * command */
 168         int                     cm_flags;
 169 #define AAC_CMD_MAPPED          (1<<0)          /* command has had its data
 170                                                  * mapped */
 171 #define AAC_CMD_DATAIN          (1<<1)          /* command involves data moving
 172                                                  * from controller to host */
 173 #define AAC_CMD_DATAOUT         (1<<2)          /* command involves data moving
 174                                                  * from host to controller */
 175 #define AAC_CMD_COMPLETED       (1<<3)          /* command has been completed */
 176 #define AAC_CMD_TIMEDOUT        (1<<4)          /* command taken too long */
 177 #define AAC_ON_AACQ_FREE        (1<<5)
 178 #define AAC_ON_AACQ_READY       (1<<6)
 179 #define AAC_ON_AACQ_BUSY        (1<<7)
 180 #define AAC_ON_AACQ_AIF         (1<<8)
 181 #define AAC_ON_AACQ_NORM        (1<<10)
 182 #define AAC_ON_AACQ_MASK        ((1<<5)|(1<<6)|(1<<7)|(1<<8)|(1<<10))
 183 #define AAC_QUEUE_FRZN          (1<<9)          /* Freeze the processing of
 184                                                  * commands on the queue. */
 185
 186         void                    (* cm_complete)(struct aac_command *cm);
 187         void                    *cm_private;
 188         time_t                  cm_timestamp;   /* command creation time */
 189         int                     cm_queue;
 190         int                     cm_index;
 191 };
 192
 193 struct aac_fibmap {
 194         TAILQ_ENTRY(aac_fibmap) fm_link;        /* list linkage */
 195         struct aac_fib          *aac_fibs;
 196         bus_dmamap_t            aac_fibmap;
 197         struct aac_command      *aac_commands;
 198 };
 199
 200 /*
 201  * We gather a number of adapter-visible items into a single structure.
 202  *
 203  * The ordering of this strucure may be important; we copy the Linux driver:
 204  *
 205  * Adapter FIBs
 206  * Init struct
 207  * Queue headers (Comm Area)
 208  * Printf buffer
 209  *
 210  * In addition, we add:
 211  * Sync Fib
 212  */
 213 struct aac_common {
 214         /* fibs for the controller to send us messages */
 215         struct aac_fib          ac_fibs[AAC_ADAPTER_FIBS];
 216
 217         /* the init structure */
 218         struct aac_adapter_init ac_init;
 219
 220         /* arena within which the queue structures are kept */
 221         u_int8_t                ac_qbuf[sizeof(struct aac_queue_table) +
 222                                 AAC_QUEUE_ALIGN];
 223
 224         /* buffer for text messages from the controller */
 225         char                    ac_printf[AAC_PRINTF_BUFSIZE];
 226
 227         /* fib for synchronous commands */
 228         struct aac_fib          ac_sync_fib;
 229 };
 230
 231 /*
 232  * Interface operations
 233  */
 234 struct aac_interface
 235 {
 236         int     (*aif_get_fwstatus)(struct aac_softc *sc);
 237         void    (*aif_qnotify)(struct aac_softc *sc, int qbit);
 238         int     (*aif_get_istatus)(struct aac_softc *sc);
 239         void    (*aif_clr_istatus)(struct aac_softc *sc, int mask);
 240         void    (*aif_set_mailbox)(struct aac_softc *sc, u_int32_t command,
 241                                    u_int32_t arg0, u_int32_t arg1,
 242                                    u_int32_t arg2, u_int32_t arg3);
 243         int     (*aif_get_mailbox)(struct aac_softc *sc, int mb);
 244         void    (*aif_set_interrupts)(struct aac_softc *sc, int enable);
 245         int (*aif_send_command)(struct aac_softc *sc, struct aac_command *cm);
 246         int (*aif_get_outb_queue)(struct aac_softc *sc);
 247         void (*aif_set_outb_queue)(struct aac_softc *sc, int index);
 248 };
 249 extern struct aac_interface     aac_rx_interface;
 250 extern struct aac_interface     aac_sa_interface;
 251 extern struct aac_interface     aac_fa_interface;
 252 extern struct aac_interface     aac_rkt_interface;
 253
 254 #define AAC_GET_FWSTATUS(sc)            ((sc)->aac_if.aif_get_fwstatus((sc)))
 255 #define AAC_QNOTIFY(sc, qbit)           ((sc)->aac_if.aif_qnotify((sc), (qbit)))
 256 #define AAC_GET_ISTATUS(sc)             ((sc)->aac_if.aif_get_istatus((sc)))
 257 #define AAC_CLEAR_ISTATUS(sc, mask)     ((sc)->aac_if.aif_clr_istatus((sc), \
 258                                         (mask)))
 259 #define AAC_SET_MAILBOX(sc, command, arg0, arg1, arg2, arg3) \
 260         ((sc)->aac_if.aif_set_mailbox((sc), (command), (arg0), (arg1), (arg2), \
 261         (arg3)))
 262 #define AAC_GET_MAILBOX(sc, mb)         ((sc)->aac_if.aif_get_mailbox((sc), \
 263                                         (mb)))
 264 #define AAC_MASK_INTERRUPTS(sc)         ((sc)->aac_if.aif_set_interrupts((sc), \
 265                                         0))
 266 #define AAC_UNMASK_INTERRUPTS(sc)       ((sc)->aac_if.aif_set_interrupts((sc), \
 267                                         1))
 268 #define AAC_SEND_COMMAND(sc, cm)        ((sc)->aac_if.aif_send_command((sc), (cm)))
 269 #define AAC_GET_OUTB_QUEUE(sc)          ((sc)->aac_if.aif_get_outb_queue((sc)))
 270 #define AAC_SET_OUTB_QUEUE(sc, idx)     ((sc)->aac_if.aif_set_outb_queue((sc), (idx)))
 271
 272 #define AAC_MEM0_SETREG4(sc, reg, val)  bus_space_write_4(sc->aac_btag0, \
 273                                         sc->aac_bhandle0, reg, val)
 274 #define AAC_MEM0_GETREG4(sc, reg)       bus_space_read_4(sc->aac_btag0, \
 275                                         sc->aac_bhandle0, reg)
 276 #define AAC_MEM0_SETREG2(sc, reg, val)  bus_space_write_2(sc->aac_btag0, \
 277                                         sc->aac_bhandle0, reg, val)
 278 #define AAC_MEM0_GETREG2(sc, reg)       bus_space_read_2(sc->aac_btag0, \
 279                                         sc->aac_bhandle0, reg)
 280 #define AAC_MEM0_SETREG1(sc, reg, val)  bus_space_write_1(sc->aac_btag0, \
 281                                         sc->aac_bhandle0, reg, val)
 282 #define AAC_MEM0_GETREG1(sc, reg)       bus_space_read_1(sc->aac_btag0, \
 283                                         sc->aac_bhandle0, reg)
 284
 285 #define AAC_MEM1_SETREG4(sc, reg, val)  bus_space_write_4(sc->aac_btag1, \
 286                                         sc->aac_bhandle1, reg, val)
 287 #define AAC_MEM1_GETREG4(sc, reg)       bus_space_read_4(sc->aac_btag1, \
 288                                         sc->aac_bhandle1, reg)
 289 #define AAC_MEM1_SETREG2(sc, reg, val)  bus_space_write_2(sc->aac_btag1, \
 290                                         sc->aac_bhandle1, reg, val)
 291 #define AAC_MEM1_GETREG2(sc, reg)       bus_space_read_2(sc->aac_btag1, \
 292                                         sc->aac_bhandle1, reg)
 293 #define AAC_MEM1_SETREG1(sc, reg, val)  bus_space_write_1(sc->aac_btag1, \
 294                                         sc->aac_bhandle1, reg, val)
 295 #define AAC_MEM1_GETREG1(sc, reg)       bus_space_read_1(sc->aac_btag1, \
 296                                         sc->aac_bhandle1, reg)
 297
 298 /* fib context (IOCTL) */
 299 struct aac_fib_context {
 300         u_int32_t               unique;
 301         int                     ctx_idx;
 302         int                     ctx_wrap;
 303         struct aac_fib_context *next, *prev;
 304 };
 305
 306 /*
 307  * Per-controller structure.
 308  */
 309 struct aac_softc
 310 {
 311         /* bus connections */
 312         device_t                aac_dev;
 313         struct resource         *aac_regs_res0, *aac_regs_res1; /* reg. if. window */
 314         int                     aac_regs_rid0, aac_regs_rid1;           /* resource ID */
 315         bus_space_handle_t      aac_bhandle0, aac_bhandle1;             /* bus space handle */
 316         bus_space_tag_t         aac_btag0, aac_btag1;           /* bus space tag */
 317         bus_dma_tag_t           aac_parent_dmat;        /* parent DMA tag */
 318         bus_dma_tag_t           aac_buffer_dmat;        /* data buffer/command
 319                                                          * DMA tag */
 320         struct resource         *aac_irq;               /* interrupt */
 321         int                     aac_irq_rid;
 322         void                    *aac_intr;              /* interrupt handle */
 323         eventhandler_tag        eh;
 324
 325         /* controller features, limits and status */
 326         int                     aac_state;
 327 #define AAC_STATE_SUSPEND       (1<<0)
 328 #define AAC_STATE_UNUSED0       (1<<1)
 329 #define AAC_STATE_INTERRUPTS_ON (1<<2)
 330 #define AAC_STATE_AIF_SLEEPER   (1<<3)
 331         struct FsaRevision              aac_revision;
 332
 333         /* controller hardware interface */
 334         int                     aac_hwif;
 335 #define AAC_HWIF_I960RX         0
 336 #define AAC_HWIF_STRONGARM      1
 337 #define AAC_HWIF_RKT            3
 338 #define AAC_HWIF_NARK           4
 339 #define AAC_HWIF_UNKNOWN        -1
 340         bus_dma_tag_t           aac_common_dmat;        /* common structure
 341                                                          * DMA tag */
 342         bus_dmamap_t            aac_common_dmamap;      /* common structure
 343                                                          * DMA map */
 344         struct aac_common       *aac_common;
 345         u_int32_t               aac_common_busaddr;
 346         struct aac_interface    aac_if;
 347
 348         /* command/fib resources */
 349         bus_dma_tag_t           aac_fib_dmat;   /* DMA tag for allocing FIBs */
 350         TAILQ_HEAD(,aac_fibmap) aac_fibmap_tqh;
 351         u_int                   total_fibs;
 352         struct aac_command      *aac_commands;
 353
 354         /* command management */
 355         TAILQ_HEAD(,aac_command) aac_free;      /* command structures
 356                                                  * available for reuse */
 357         TAILQ_HEAD(,aac_command) aac_ready;     /* commands on hold for
 358                                                  * controller resources */
 359         TAILQ_HEAD(,aac_command) aac_busy;
 360         TAILQ_HEAD(,aac_event)  aac_ev_cmfree;
 361         struct bio_queue_head   aac_bioq;
 362         struct aac_queue_table  *aac_queues;
 363         struct aac_queue_entry  *aac_qentries[AAC_QUEUE_COUNT];
 364
 365         struct aac_qstat        aac_qstat[AACQ_COUNT];  /* queue statistics */
 366
 367         /* connected containters */
 368         TAILQ_HEAD(,aac_container)      aac_container_tqh;
 369         struct lock             aac_container_lock;
 370
 371         /*
 372          * The general I/O lock.  This protects the sync fib, the lists, the
 373          * queues, and the registers.
 374          */
 375         struct lock             aac_io_lock;
 376
 377         /* delayed activity infrastructure */
 378         struct task             aac_task_complete;      /* deferred-completion
 379                                                          * task */
 380         struct intr_config_hook aac_ich;
 381
 382         struct sysctl_ctx_list  aac_sysctl_ctx;
 383         struct sysctl_oid       *aac_sysctl_tree;
 384
 385         /* management interface */
 386         struct cdev *aac_dev_t;
 387         struct lock             aac_aifq_lock;
 388         struct aac_fib          aac_aifq[AAC_AIFQ_LENGTH];
 389         int                     aifq_idx;
 390         int                     aifq_filled;
 391         struct aac_fib_context *fibctx;
 392         struct kqinfo           rcv_kq;
 393         struct thread           *aifthread;
 394         int                     aifflags;
 395 #define AAC_AIFFLAGS_RUNNING    (1 << 0)
 396 #define AAC_AIFFLAGS_UNUSED0    (1 << 1)
 397 #define AAC_AIFFLAGS_EXIT       (1 << 2)
 398 #define AAC_AIFFLAGS_EXITED     (1 << 3)
 399 #define AAC_AIFFLAGS_UNUSED1    (1 << 4)
 400 #define AAC_AIFFLAGS_ALLOCFIBS  (1 << 5)
 401 #define AAC_AIFFLAGS_PENDING    AAC_AIFFLAGS_ALLOCFIBS
 402         u_int32_t               flags;
 403 #define AAC_FLAGS_PERC2QC       (1 << 0)
 404 #define AAC_FLAGS_ENABLE_CAM    (1 << 1)        /* No SCSI passthrough */
 405 #define AAC_FLAGS_CAM_NORESET   (1 << 2)        /* Fake SCSI resets */
 406 #define AAC_FLAGS_CAM_PASSONLY  (1 << 3)        /* Only create pass devices */
 407 #define AAC_FLAGS_SG_64BIT      (1 << 4)        /* Use 64-bit S/G addresses */
 408 #define AAC_FLAGS_4GB_WINDOW    (1 << 5)        /* Device can access host mem
 409                                                  * 2GB-4GB range */
 410 #define AAC_FLAGS_NO4GB         (1 << 6)        /* Can't access host mem >2GB */
 411 #define AAC_FLAGS_256FIBS       (1 << 7)        /* Can only do 256 commands */
 412 #define AAC_FLAGS_BROKEN_MEMMAP (1 << 8)        /* Broken HostPhysMemPages */
 413 #define AAC_FLAGS_SLAVE (1 << 9)
 414 #define AAC_FLAGS_MASTER        (1 << 10)
 415 #define AAC_FLAGS_NEW_COMM      (1 << 11)       /* New comm. interface supported */
 416 #define AAC_FLAGS_RAW_IO        (1 << 12)       /* Raw I/O interface */
 417 #define AAC_FLAGS_ARRAY_64BIT   (1 << 13)       /* 64-bit array size */
 418 #define AAC_FLAGS_LBA_64BIT     (1 << 14)       /* 64-bit LBA support */
 419
 420         u_int32_t               supported_options;
 421         u_int32_t               scsi_method_id;
 422         TAILQ_HEAD(,aac_sim)    aac_sim_tqh;
 423
 424         struct callout  aac_daemontime;         /* clock daemon callout */
 425
 426         u_int32_t       aac_max_fibs;           /* max. FIB count */
 427         u_int32_t       aac_max_fibs_alloc;             /* max. alloc. per alloc_commands() */
 428         u_int32_t       aac_max_fib_size;               /* max. FIB size */
 429         u_int32_t       aac_sg_tablesize;               /* max. sg count from host */
 430         u_int32_t       aac_max_sectors;                /* max. I/O size from host (blocks) */
 431 #define AAC_CAM_TARGET_WILDCARD ~0
 432         void                    (*cam_rescan_cb)(struct aac_softc *, uint32_t,
 433                                     uint32_t);
 434 };
 435
 436 /*
 437  * Event callback mechanism for the driver
 438  */
 439 #define AAC_EVENT_NONE          0x00
 440 #define AAC_EVENT_CMFREE        0x01
 441 #define AAC_EVENT_MASK          0xff
 442 #define AAC_EVENT_REPEAT        0x100
 443
 444 typedef void aac_event_cb_t(struct aac_softc *sc, struct aac_event *event,
 445     void *arg);
 446 struct aac_event {
 447         TAILQ_ENTRY(aac_event)  ev_links;
 448         int                     ev_type;
 449         aac_event_cb_t          *ev_callback;
 450         void                    *ev_arg;
 451 };
 452
 453 /*
 454  * Public functions
 455  */
 456 extern void             aac_free(struct aac_softc *sc);
 457 extern int              aac_attach(struct aac_softc *sc);
 458 extern int              aac_detach(device_t dev);
 459 extern int              aac_shutdown(device_t dev);
 460 extern int              aac_suspend(device_t dev);
 461 extern int              aac_resume(device_t dev);
 462 extern void             aac_new_intr(void *arg);
 463 extern void             aac_filter(void *arg);
 464 extern void             aac_submit_bio(struct aac_disk *ad, struct bio *bio);
 465 extern void             aac_biodone(struct bio *bio, const char *code);
 466 extern void             aac_startio(struct aac_softc *sc);
 467 extern int              aac_alloc_command(struct aac_softc *sc,
 468                                           struct aac_command **cmp);
 469 extern void             aac_release_command(struct aac_command *cm);
 470 extern int              aac_sync_fib(struct aac_softc *sc, u_int32_t command,
 471                                      u_int32_t xferstate, struct aac_fib *fib,
 472                                      u_int16_t datasize);
 473 extern void             aac_add_event(struct aac_softc *sc, struct aac_event
 474                                       *event);
 475
 476 #ifdef AAC_DEBUG
 477 extern int      aac_debug_enable;
 478 # define fwprintf(sc, flags, fmt, args...)                              \
 479 do {                                                                    \
 480         if (!aac_debug_enable)                                          \
 481                 break;                                                  \
 482         if (sc != NULL)                                                 \
 483                 device_printf(((struct aac_softc *)sc)->aac_dev,        \
 484                     "%s: " fmt "\n", __func__, ##args);                 \
 485         else                                                            \
 486                 kprintf("%s: " fmt "\n", __func__, ##args);             \
 487 } while(0)
 488
 489 extern void     aac_print_queues(struct aac_softc *sc);
 490 extern void     aac_panic(struct aac_softc *sc, char *reason);
 491 extern void     aac_print_fib(struct aac_softc *sc, struct aac_fib *fib,
 492                               const char *caller);
 493 extern void     aac_print_aif(struct aac_softc *sc,
 494                               struct aac_aif_command *aif);
 495
 496 #define AAC_PRINT_FIB(sc, fib)  aac_print_fib(sc, fib, __func__)
 497
 498 #else
 499 # define fwprintf(sc, flags, fmt, args...)
 500
 501 # define aac_print_queues(sc)
 502 # define aac_panic(sc, reason)
 503
 504 # define AAC_PRINT_FIB(sc, fib)
 505 # define aac_print_aif(sc, aac_aif_command)
 506 #endif
 507
 508 struct aac_code_lookup {
 509         char    *string;
 510         u_int32_t       code;
 511 };
 512
 513 /*
 514  * Queue primitives for driver queues.
 515  */
 516 #define AACQ_ADD(sc, qname)                                     \
 517         do {                                                    \
 518                 struct aac_qstat *qs;                           \
 519                                                                 \
 520                 qs = &(sc)->aac_qstat[qname];                   \
 521                                                                 \
 522                 qs->q_length++;                                 \
 523                 if (qs->q_length > qs->q_max)                   \
 524                         qs->q_max = qs->q_length;               \
 525         } while (0)
 526
 527 #define AACQ_REMOVE(sc, qname)    (sc)->aac_qstat[qname].q_length--
 528 #define AACQ_INIT(sc, qname)                            \
 529         do {                                            \
 530                 sc->aac_qstat[qname].q_length = 0;      \
 531                 sc->aac_qstat[qname].q_max = 0;         \
 532         } while (0)
 533
 534
 535 #define AACQ_COMMAND_QUEUE(name, index)                                 \
 536 static __inline void                                                    \
 537 aac_initq_ ## name (struct aac_softc *sc)                               \
 538 {                                                                       \
 539         TAILQ_INIT(&sc->aac_ ## name);                                  \
 540         AACQ_INIT(sc, index);                                           \
 541 }                                                                       \
 542 static __inline void                                                    \
 543 aac_enqueue_ ## name (struct aac_command *cm)                           \
 544 {                                                                       \
 545         if ((cm->cm_flags & AAC_ON_AACQ_MASK) != 0) {                   \
 546                 panic("aac: command %p is on another queue, flags = %#x", \
 547                     cm, cm->cm_flags);                                  \
 548         }                                                               \
 549         TAILQ_INSERT_TAIL(&cm->cm_sc->aac_ ## name, cm, cm_link);       \
 550         cm->cm_flags |= AAC_ON_ ## index;                               \
 551         AACQ_ADD(cm->cm_sc, index);                                     \
 552 }                                                                       \
 553 static __inline void                                                    \
 554 aac_requeue_ ## name (struct aac_command *cm)                           \
 555 {                                                                       \
 556         if ((cm->cm_flags & AAC_ON_AACQ_MASK) != 0) {                   \
 557                 panic("aac: command %p is on another queue, flags = %#x", \
 558                     cm, cm->cm_flags);                                  \
 559         }                                                               \
 560         TAILQ_INSERT_HEAD(&cm->cm_sc->aac_ ## name, cm, cm_link);       \
 561         cm->cm_flags |= AAC_ON_ ## index;                               \
 562         AACQ_ADD(cm->cm_sc, index);                                     \
 563 }                                                                       \
 564 static __inline struct aac_command *                                    \
 565 aac_dequeue_ ## name (struct aac_softc *sc)                             \
 566 {                                                                       \
 567         struct aac_command *cm;                                         \
 568                                                                         \
 569         if ((cm = TAILQ_FIRST(&sc->aac_ ## name)) != NULL) {            \
 570                 if ((cm->cm_flags & AAC_ON_ ## index) == 0) {           \
 571                         panic("aac: command %p not in queue, flags = %#x, bit = %#x", \
 572                             cm, cm->cm_flags, AAC_ON_ ## index);        \
 573                 }                                                       \
 574                 TAILQ_REMOVE(&sc->aac_ ## name, cm, cm_link);           \
 575                 cm->cm_flags &= ~AAC_ON_ ## index;                      \
 576                 AACQ_REMOVE(sc, index);                                 \
 577         }                                                               \
 578         return(cm);                                                     \
 579 }                                                                       \
 580 static __inline void                                                    \
 581 aac_remove_ ## name (struct aac_command *cm)                            \
 582 {                                                                       \
 583         if ((cm->cm_flags & AAC_ON_ ## index) == 0) {                   \
 584                 panic("aac: command %p not in queue, flags = %#x, bit = %#x", \
 585                     cm, cm->cm_flags, AAC_ON_ ## index);                \
 586         }                                                               \
 587         TAILQ_REMOVE(&cm->cm_sc->aac_ ## name, cm, cm_link);            \
 588         cm->cm_flags &= ~AAC_ON_ ## index;                              \
 589         AACQ_REMOVE(cm->cm_sc, index);                                  \
 590 }                                                                       \
 591 struct hack
 592
 593 AACQ_COMMAND_QUEUE(free, AACQ_FREE);
 594 AACQ_COMMAND_QUEUE(ready, AACQ_READY);
 595 AACQ_COMMAND_QUEUE(busy, AACQ_BUSY);
 596
 597 /*
 598  * outstanding bio queue
 599  */
 600 static __inline void
 601 aac_initq_bio(struct aac_softc *sc)
 602 {
 603         bioq_init(&sc->aac_bioq);
 604         AACQ_INIT(sc, AACQ_BIO);
 605 }
 606
 607 static __inline void
 608 aac_enqueue_bio(struct aac_softc *sc, struct bio *bio)
 609 {
 610         bioq_insert_tail(&sc->aac_bioq, bio);
 611         AACQ_ADD(sc, AACQ_BIO);
 612 }
 613
 614 static __inline struct bio *
 615 aac_dequeue_bio(struct aac_softc *sc)
 616 {
 617         struct bio *bio;
 618
 619         if ((bio = bioq_first(&sc->aac_bioq)) != NULL) {
 620                 bioq_remove(&sc->aac_bioq, bio);
 621                 AACQ_REMOVE(sc, AACQ_BIO);
 622         }
 623         return(bio);
 624 }
 625
 626 static __inline void
 627 aac_print_printf(struct aac_softc *sc)
 628 {
 629         /*
 630          * XXX We have the ability to read the length of the kprintf string
 631          * from out of the mailboxes.
 632          */
 633         device_printf(sc->aac_dev, "**Monitor** %.*s", AAC_PRINTF_BUFSIZE,
 634                       sc->aac_common->ac_printf);
 635         sc->aac_common->ac_printf[0] = 0;
 636         AAC_QNOTIFY(sc, AAC_DB_PRINTF);
 637 }
 638
 639 static __inline int
 640 aac_alloc_sync_fib(struct aac_softc *sc, struct aac_fib **fib)
 641 {
 642
 643         KKASSERT(lockstatus(&sc->aac_io_lock, curthread) != 0);
 644         *fib = &sc->aac_common->ac_sync_fib;
 645         return (0);
 646 }
 647
 648 static __inline void
 649 aac_release_sync_fib(struct aac_softc *sc)
 650 {
 651
 652         KKASSERT(lockstatus(&sc->aac_io_lock, curthread) != 0);
 653 }
 654