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Annotation of sys/dev/ic/aac.c, Revision 1.1.1.1

1.1       nbrk        1: /*     $OpenBSD: aac.c,v 1.35 2007/03/20 10:30:32 mickey Exp $ */
                      2:
                      3: /*-
                      4:  * Copyright (c) 2000 Michael Smith
                      5:  * Copyright (c) 2001 Scott Long
                      6:  * Copyright (c) 2000 BSDi
                      7:  * Copyright (c) 2001 Adaptec, Inc.
                      8:  * Copyright (c) 2000 Niklas Hallqvist
                      9:  * Copyright (c) 2004 Nathan Binkert
                     10:  * All rights reserved.
                     11:  *
                     12:  * Redistribution and use in source and binary forms, with or without
                     13:  * modification, are permitted provided that the following conditions
                     14:  * are met:
                     15:  * 1. Redistributions of source code must retain the above copyright
                     16:  *    notice, this list of conditions and the following disclaimer.
                     17:  * 2. Redistributions in binary form must reproduce the above copyright
                     18:  *    notice, this list of conditions and the following disclaimer in the
                     19:  *    documentation and/or other materials provided with the distribution.
                     20:  *
                     21:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
                     22:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     23:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     24:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
                     25:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     26:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     27:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     28:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     29:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     30:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     31:  * SUCH DAMAGE.
                     32:  *
                     33:  *     $FreeBSD: /c/ncvs/src/sys/dev/aac/aac.c,v 1.1 2000/09/13 03:20:34 msmith Exp $
                     34:  */
                     35:
                     36: /*
                     37:  * Driver for the Adaptec 'FSA' family of PCI/SCSI RAID adapters.
                     38:  */
                     39:
                     40: /*
                     41:  * This driver would not have rewritten for OpenBSD if it was not for the
                     42:  * hardware donation from Nocom.  I want to thank them for their support.
                     43:  * Of course, credit should go to Mike Smith for the original work he did
                     44:  * in the FreeBSD driver where I found lots of reusable code and inspiration.
                     45:  * - Niklas Hallqvist
                     46:  */
                     47:
                     48: #include <sys/param.h>
                     49: #include <sys/systm.h>
                     50: #include <sys/buf.h>
                     51: #include <sys/device.h>
                     52: #include <sys/kernel.h>
                     53: #include <sys/kthread.h>
                     54: #include <sys/malloc.h>
                     55: #include <sys/rwlock.h>
                     56: #include <sys/time.h>
                     57:
                     58: #include <machine/bus.h>
                     59:
                     60: #include <uvm/uvm_extern.h>
                     61:
                     62: #include <scsi/scsi_all.h>
                     63: #include <scsi/scsi_disk.h>
                     64: #include <scsi/scsiconf.h>
                     65:
                     66: #include <dev/ic/aacreg.h>
                     67: #include <dev/ic/aacvar.h>
                     68: #include <dev/ic/aac_tables.h>
                     69:
                     70: /* Geometry constants. */
                     71: #define AAC_MAXCYLS            1024
                     72: #define AAC_HEADS              64
                     73: #define AAC_SECS               32      /* mapping 64*32 */
                     74: #define AAC_MEDHEADS           127
                     75: #define AAC_MEDSECS            63      /* mapping 127*63 */
                     76: #define AAC_BIGHEADS           255
                     77: #define AAC_BIGSECS            63      /* mapping 255*63 */
                     78: #define AAC_SECS32             0x1f    /* round capacity */
                     79:
                     80: struct scsi_xfer;
                     81:
                     82: void   aac_copy_internal_data(struct scsi_xfer *, u_int8_t *, size_t);
                     83: char   *aac_describe_code(struct aac_code_lookup *, u_int32_t);
                     84: void   aac_describe_controller(struct aac_softc *);
                     85: int    aac_enqueue_fib(struct aac_softc *, int, struct aac_command *);
                     86: int    aac_dequeue_fib(struct aac_softc *, int, u_int32_t *,
                     87:                        struct aac_fib **);
                     88: int    aac_enqueue_response(struct aac_softc *sc, int queue,
                     89:                             struct aac_fib *fib);
                     90:
                     91: void   aac_eval_mapping(u_int32_t, int *, int *, int *);
                     92: void   aac_print_printf(struct aac_softc *);
                     93: int    aac_init(struct aac_softc *);
                     94: int    aac_check_firmware(struct aac_softc *);
                     95: void   aac_internal_cache_cmd(struct scsi_xfer *);
                     96:
                     97: /* Command Processing */
                     98: void   aac_timeout(struct aac_softc *);
                     99: void   aac_command_timeout(struct aac_command *);
                    100: int    aac_map_command(struct aac_command *);
                    101: void   aac_complete(void *);
                    102: int    aac_bio_command(struct aac_softc *, struct aac_command **);
                    103: void   aac_bio_complete(struct aac_command *);
                    104: int    aac_wait_command(struct aac_command *, int);
                    105: void   aac_create_thread(void *);
                    106: void   aac_command_thread(void *);
                    107:
                    108: /* Command Buffer Management */
                    109: void   aac_map_command_sg(void *, bus_dma_segment_t *, int, int);
                    110: int    aac_alloc_commands(struct aac_softc *);
                    111: void   aac_free_commands(struct aac_softc *);
                    112: void   aac_unmap_command(struct aac_command *);
                    113:
                    114: int    aac_raw_scsi_cmd(struct scsi_xfer *);
                    115: int    aac_scsi_cmd(struct scsi_xfer *);
                    116: void   aac_startio(struct aac_softc *);
                    117: void   aac_startup(struct aac_softc *);
                    118: void   aac_add_container(struct aac_softc *, struct aac_mntinforesp *, int);
                    119: void   aac_shutdown(void *);
                    120: int    aac_sync_command(struct aac_softc *, u_int32_t, u_int32_t,
                    121:     u_int32_t, u_int32_t, u_int32_t, u_int32_t *);
                    122:
                    123: struct cfdriver aac_cd = {
                    124:        NULL, "aac", DV_DULL
                    125: };
                    126:
                    127: struct scsi_adapter aac_switch = {
                    128:        aac_scsi_cmd, aacminphys, 0, 0,
                    129: };
                    130:
                    131: struct scsi_adapter aac_raw_switch = {
                    132:        aac_raw_scsi_cmd, aacminphys, 0, 0,
                    133: };
                    134:
                    135: struct scsi_device aac_dev = {
                    136:        NULL, NULL, NULL, NULL
                    137: };
                    138:
                    139: /* Falcon/PPC interface */
                    140: int    aac_fa_get_fwstatus(struct aac_softc *);
                    141: void   aac_fa_qnotify(struct aac_softc *, int);
                    142: int    aac_fa_get_istatus(struct aac_softc *);
                    143: void   aac_fa_clear_istatus(struct aac_softc *, int);
                    144: void   aac_fa_set_mailbox(struct aac_softc *, u_int32_t, u_int32_t, u_int32_t,
                    145:                           u_int32_t, u_int32_t);
                    146: int    aac_fa_get_mailbox(struct aac_softc *, int);
                    147: void   aac_fa_set_interrupts(struct aac_softc *, int);
                    148:
                    149: struct aac_interface aac_fa_interface = {
                    150:        aac_fa_get_fwstatus,
                    151:        aac_fa_qnotify,
                    152:        aac_fa_get_istatus,
                    153:        aac_fa_clear_istatus,
                    154:        aac_fa_set_mailbox,
                    155:        aac_fa_get_mailbox,
                    156:        aac_fa_set_interrupts
                    157: };
                    158:
                    159: /* StrongARM interface */
                    160: int    aac_sa_get_fwstatus(struct aac_softc *);
                    161: void   aac_sa_qnotify(struct aac_softc *, int);
                    162: int    aac_sa_get_istatus(struct aac_softc *);
                    163: void   aac_sa_clear_istatus(struct aac_softc *, int);
                    164: void   aac_sa_set_mailbox(struct aac_softc *, u_int32_t, u_int32_t,
                    165:     u_int32_t, u_int32_t, u_int32_t);
                    166: int    aac_sa_get_mailbox(struct aac_softc *, int);
                    167: void   aac_sa_set_interrupts(struct aac_softc *, int);
                    168:
                    169: struct aac_interface aac_sa_interface = {
                    170:        aac_sa_get_fwstatus,
                    171:        aac_sa_qnotify,
                    172:        aac_sa_get_istatus,
                    173:        aac_sa_clear_istatus,
                    174:        aac_sa_set_mailbox,
                    175:        aac_sa_get_mailbox,
                    176:        aac_sa_set_interrupts
                    177: };
                    178:
                    179: /* i960Rx interface */
                    180: int    aac_rx_get_fwstatus(struct aac_softc *);
                    181: void   aac_rx_qnotify(struct aac_softc *, int);
                    182: int    aac_rx_get_istatus(struct aac_softc *);
                    183: void   aac_rx_clear_istatus(struct aac_softc *, int);
                    184: void   aac_rx_set_mailbox(struct aac_softc *, u_int32_t, u_int32_t,
                    185:     u_int32_t, u_int32_t, u_int32_t);
                    186: int    aac_rx_get_mailbox(struct aac_softc *, int);
                    187: void   aac_rx_set_interrupts(struct aac_softc *, int);
                    188:
                    189: struct aac_interface aac_rx_interface = {
                    190:        aac_rx_get_fwstatus,
                    191:        aac_rx_qnotify,
                    192:        aac_rx_get_istatus,
                    193:        aac_rx_clear_istatus,
                    194:        aac_rx_set_mailbox,
                    195:        aac_rx_get_mailbox,
                    196:        aac_rx_set_interrupts
                    197: };
                    198:
                    199: /* Rocket/MIPS interface */
                    200: int    aac_rkt_get_fwstatus(struct aac_softc *);
                    201: void   aac_rkt_qnotify(struct aac_softc *, int);
                    202: int    aac_rkt_get_istatus(struct aac_softc *);
                    203: void   aac_rkt_clear_istatus(struct aac_softc *, int);
                    204: void   aac_rkt_set_mailbox(struct aac_softc *, u_int32_t,
                    205:                                    u_int32_t, u_int32_t,
                    206:                                    u_int32_t, u_int32_t);
                    207: int    aac_rkt_get_mailbox(struct aac_softc *, int);
                    208: void   aac_rkt_set_interrupts(struct aac_softc *, int);
                    209:
                    210: struct aac_interface aac_rkt_interface = {
                    211:        aac_rkt_get_fwstatus,
                    212:        aac_rkt_qnotify,
                    213:        aac_rkt_get_istatus,
                    214:        aac_rkt_clear_istatus,
                    215:        aac_rkt_set_mailbox,
                    216:        aac_rkt_get_mailbox,
                    217:        aac_rkt_set_interrupts
                    218: };
                    219:
                    220: #ifdef AAC_DEBUG
                    221: int    aac_debug = AAC_DEBUG;
                    222: #endif
                    223:
                    224: int
                    225: aac_attach(struct aac_softc *sc)
                    226: {
                    227:        struct scsibus_attach_args saa;
                    228:        int error;
                    229:
                    230:        /*
                    231:         * Initialise per-controller queues.
                    232:         */
                    233:        aac_initq_free(sc);
                    234:        aac_initq_ready(sc);
                    235:        aac_initq_busy(sc);
                    236:        aac_initq_bio(sc);
                    237:
                    238:        /* disable interrupts before we enable anything */
                    239:        AAC_MASK_INTERRUPTS(sc);
                    240:
                    241:        /* mark controller as suspended until we get ourselves organised */
                    242:        sc->aac_state |= AAC_STATE_SUSPEND;
                    243:
                    244:        /*
                    245:         * Check that the firmware on the card is supported.
                    246:         */
                    247:        error = aac_check_firmware(sc);
                    248:        if (error)
                    249:                return (error);
                    250:
                    251:        /*
                    252:         * Initialize locks
                    253:         */
                    254:        AAC_LOCK_INIT(&sc->aac_sync_lock, "AAC sync FIB lock");
                    255:        AAC_LOCK_INIT(&sc->aac_aifq_lock, "AAC AIF lock");
                    256:        AAC_LOCK_INIT(&sc->aac_io_lock, "AAC I/O lock");
                    257:        AAC_LOCK_INIT(&sc->aac_container_lock, "AAC container lock");
                    258:        TAILQ_INIT(&sc->aac_container_tqh);
                    259:
                    260:        /* Initialize the local AIF queue pointers */
                    261:        sc->aac_aifq_head = sc->aac_aifq_tail = AAC_AIFQ_LENGTH;
                    262:
                    263:        /*
                    264:         * Initialise the adapter.
                    265:         */
                    266:        error = aac_init(sc);
                    267:        if (error)
                    268:                return (error);
                    269:
                    270:        /* Fill in the prototype scsi_link. */
                    271:        sc->aac_link.adapter_softc = sc;
                    272:        sc->aac_link.adapter = &aac_switch;
                    273:        sc->aac_link.device = &aac_dev;
                    274:        sc->aac_link.openings = (sc->total_fibs - 8) /
                    275:            (sc->aac_container_count ? sc->aac_container_count : 1);
                    276:        sc->aac_link.adapter_buswidth = AAC_MAX_CONTAINERS;
                    277:        sc->aac_link.adapter_target = AAC_MAX_CONTAINERS;
                    278:
                    279:        bzero(&saa, sizeof(saa));
                    280:        saa.saa_sc_link = &sc->aac_link;
                    281:
                    282:        config_found(&sc->aac_dev, &saa, scsiprint);
                    283:
                    284:        /* Create the AIF thread */
                    285:        sc->aifthread = 0;
                    286:        sc->aifflags = 0;
                    287:        kthread_create_deferred(aac_create_thread, sc);
                    288:
                    289: #if 0
                    290:        /* Register the shutdown method to only be called post-dump */
                    291:        sc->aac_sdh = shutdownhook_establish(aac_shutdown, (void *)sc);
                    292: #endif
                    293:
                    294:        return (0);
                    295: }
                    296:
                    297: void
                    298: aac_create_thread(void *arg)
                    299: {
                    300:        struct aac_softc *sc = arg;
                    301:
                    302:        if (kthread_create(aac_command_thread, sc, &sc->aifthread, "%s",
                    303:            sc->aac_dev.dv_xname)) {
                    304:                /* TODO disable aac */
                    305:                printf("%s: failed to create kernel thread, disabled",
                    306:                sc->aac_dev.dv_xname);
                    307:        }
                    308:        AAC_DPRINTF(AAC_D_MISC, ("%s: aac_create_thread\n",
                    309:            sc->aac_dev.dv_xname));
                    310:
                    311: }
                    312:
                    313: /*
                    314:  * Probe for containers, create disks.
                    315:  */
                    316: void
                    317: aac_startup(struct aac_softc *sc)
                    318: {
                    319:        struct aac_fib *fib;
                    320:        struct aac_mntinfo *mi;
                    321:        struct aac_mntinforesp *mir = NULL;
                    322:        int count = 0, i = 0;
                    323:
                    324:
                    325:        aac_alloc_sync_fib(sc, &fib, 0);
                    326:        mi = (struct aac_mntinfo *)&fib->data[0];
                    327:
                    328:        AAC_DPRINTF(AAC_D_MISC, ("%s: aac startup\n", sc->aac_dev.dv_xname));
                    329:
                    330:        sc->aac_container_count = 0;
                    331:        /* loop over possible containers */
                    332:        do {
                    333:                /* request information on this container */
                    334:                bzero(mi, sizeof(struct aac_mntinfo));
                    335:                mi->Command = VM_NameServe;
                    336:                mi->MntType = FT_FILESYS;
                    337:                mi->MntCount = i;
                    338:                if (aac_sync_fib(sc, ContainerCommand, 0, fib,
                    339:                                 sizeof(struct aac_mntinfo))) {
                    340:                        printf("%s: error probing container %d\n",
                    341:                               sc->aac_dev.dv_xname, i);
                    342:                        continue;
                    343:                }
                    344:
                    345:                mir = (struct aac_mntinforesp *)&fib->data[0];
                    346:                /* XXX Need to check if count changed */
                    347:                count = mir->MntRespCount;
                    348:
                    349: #if 0
                    350:                aac_add_container(sc, mir, 0);
                    351: #else
                    352:                /*
                    353:                 * Check container volume type for validity.  Note
                    354:                 * that many of the possible types may never show up.
                    355:                 */
                    356:                if (mir->Status == ST_OK &&
                    357:                    mir->MntTable[0].VolType != CT_NONE) {
                    358:                        int drv_cyls, drv_hds, drv_secs;
                    359:
                    360:                        AAC_DPRINTF(AAC_D_MISC,
                    361:                            ("%s: %d: id %x  name '%.16s'  size %u  type %d\n",
                    362:                             sc->aac_dev.dv_xname, i,
                    363:                             mir->MntTable[0].ObjectId,
                    364:                             mir->MntTable[0].FileSystemName,
                    365:                             mir->MntTable[0].Capacity,
                    366:                             mir->MntTable[0].VolType));
                    367:
                    368:                        sc->aac_container_count++;
                    369:                        sc->aac_hdr[i].hd_present = 1;
                    370:                        sc->aac_hdr[i].hd_size = mir->MntTable[0].Capacity;
                    371:
                    372:                        /*
                    373:                         * Evaluate mapping (sectors per head, heads per cyl)
                    374:                         */
                    375:                        sc->aac_hdr[i].hd_size &= ~AAC_SECS32;
                    376:                        aac_eval_mapping(sc->aac_hdr[i].hd_size, &drv_cyls,
                    377:                                         &drv_hds, &drv_secs);
                    378:                        sc->aac_hdr[i].hd_heads = drv_hds;
                    379:                        sc->aac_hdr[i].hd_secs = drv_secs;
                    380:                        /* Round the size */
                    381:                        sc->aac_hdr[i].hd_size = drv_cyls * drv_hds * drv_secs;
                    382:
                    383:                        sc->aac_hdr[i].hd_devtype = mir->MntTable[0].VolType;
                    384:
                    385:                        /* XXX Save the name too for use in IDENTIFY later */
                    386:                }
                    387: #endif
                    388:
                    389:                i++;
                    390:        } while ((i < count) && (i < AAC_MAX_CONTAINERS));
                    391:
                    392:        aac_release_sync_fib(sc);
                    393:
                    394: #if 0
                    395:        /* poke the bus to actually attach the child devices */
                    396:        if (bus_generic_attach(sc->aac_dev))
                    397:                printf("%s: bus_generic_attach failed\n",
                    398:                       sc->aac_dev.dv_xname);
                    399: #endif
                    400:
                    401:
                    402:        /* mark the controller up */
                    403:        sc->aac_state &= ~AAC_STATE_SUSPEND;
                    404:
                    405:        /* enable interrupts now */
                    406:        AAC_UNMASK_INTERRUPTS(sc);
                    407: }
                    408:
                    409: #if 0
                    410: /*
                    411:  * Create a device to respresent a new container
                    412:  */
                    413: void
                    414: aac_add_container(struct aac_softc *sc, struct aac_mntinforesp *mir, int f)
                    415: {
                    416:        struct aac_container *co;
                    417:        device_t child;
                    418:
                    419:        /*
                    420:         * Check container volume type for validity.  Note that many of
                    421:         * the possible types may never show up.
                    422:         */
                    423:        if ((mir->Status == ST_OK) && (mir->MntTable[0].VolType != CT_NONE)) {
                    424:                co = (struct aac_container *)malloc(sizeof *co, M_DEVBUF,
                    425:                       M_NOWAIT);
                    426:                if (co == NULL)
                    427:                        panic("Out of memory?!\n");
                    428:                bzero(co, sizeof *co);
                    429:                AAC_DPRINTF(AAC_D_MISC,
                    430:                            ("%s: id %x  name '%.16s'  size %u  type %d\n",
                    431:                             sc->aac_dev.dv_xname,
                    432:                             mir->MntTable[0].ObjectId,
                    433:                             mir->MntTable[0].FileSystemName,
                    434:                             mir->MntTable[0].Capacity,
                    435:                             mir->MntTable[0].VolType);
                    436:
                    437:                if ((child = device_add_child(sc->aac_dev, "aacd", -1)) == NULL)
                    438:                        printf("%s: device_add_child failed\n",
                    439:                               sc->aac_dev.dv_xname);
                    440:                else
                    441:                        device_set_ivars(child, co);
                    442:                device_set_desc(child, aac_describe_code(aac_container_types,
                    443:                                mir->MntTable[0].VolType));
                    444:                co->co_disk = child;
                    445:                co->co_found = f;
                    446:                bcopy(&mir->MntTable[0], &co->co_mntobj,
                    447:                      sizeof(struct aac_mntobj));
                    448:                AAC_LOCK_ACQUIRE(&sc->aac_container_lock);
                    449:                TAILQ_INSERT_TAIL(&sc->aac_container_tqh, co, co_link);
                    450:                AAC_LOCK_RELEASE(&sc->aac_container_lock);
                    451:        }
                    452: }
                    453: #endif
                    454:
                    455: #if 0
                    456: /*
                    457:  * Free all of the resources associated with (sc)
                    458:  *
                    459:  * Should not be called if the controller is active.
                    460:  */
                    461: void
                    462: aac_free(struct aac_softc *sc)
                    463: {
                    464:
                    465:        debug_called(1);
                    466:
                    467:        /* remove the control device */
                    468:        if (sc->aac_dev_t != NULL)
                    469:                destroy_dev(sc->aac_dev_t);
                    470:
                    471:        /* throw away any FIB buffers, discard the FIB DMA tag */
                    472:        aac_free_commands(sc);
                    473:        if (sc->aac_fib_dmat)
                    474:                bus_dma_tag_destroy(sc->aac_fib_dmat);
                    475:
                    476:        free(sc->aac_commands, M_AACBUF);
                    477:
                    478:        /* destroy the common area */
                    479:        if (sc->aac_common) {
                    480:                bus_dmamap_unload(sc->aac_common_dmat, sc->aac_common_dmamap);
                    481:                bus_dmamem_free(sc->aac_common_dmat, sc->aac_common,
                    482:                                sc->aac_common_dmamap);
                    483:        }
                    484:        if (sc->aac_common_dmat)
                    485:                bus_dma_tag_destroy(sc->aac_common_dmat);
                    486:
                    487:        /* disconnect the interrupt handler */
                    488:        if (sc->aac_intr)
                    489:                bus_teardown_intr(sc->aac_dev, sc->aac_irq, sc->aac_intr);
                    490:        if (sc->aac_irq != NULL)
                    491:                bus_release_resource(sc->aac_dev, SYS_RES_IRQ, sc->aac_irq_rid,
                    492:                                     sc->aac_irq);
                    493:
                    494:        /* destroy data-transfer DMA tag */
                    495:        if (sc->aac_buffer_dmat)
                    496:                bus_dma_tag_destroy(sc->aac_buffer_dmat);
                    497:
                    498:        /* destroy the parent DMA tag */
                    499:        if (sc->aac_parent_dmat)
                    500:                bus_dma_tag_destroy(sc->aac_parent_dmat);
                    501:
                    502:        /* release the register window mapping */
                    503:        if (sc->aac_regs_resource != NULL)
                    504:                bus_release_resource(sc->aac_dev, SYS_RES_MEMORY,
                    505:                                     sc->aac_regs_rid, sc->aac_regs_resource);
                    506: }
                    507:
                    508: /*
                    509:  * Disconnect from the controller completely, in preparation for unload.
                    510:  */
                    511: int
                    512: aac_detach(device_t dev)
                    513: {
                    514:        struct aac_softc *sc;
                    515:        struct aac_container *co;
                    516:        struct aac_sim  *sim;
                    517:        int error;
                    518:
                    519:        debug_called(1);
                    520:
                    521:        sc = device_get_softc(dev);
                    522:
                    523:        if (sc->aac_state & AAC_STATE_OPEN)
                    524:                return(EBUSY);
                    525:
                    526:        /* Remove the child containers */
                    527:        while ((co = TAILQ_FIRST(&sc->aac_container_tqh)) != NULL) {
                    528:                error = device_delete_child(dev, co->co_disk);
                    529:                if (error)
                    530:                        return (error);
                    531:                TAILQ_REMOVE(&sc->aac_container_tqh, co, co_link);
                    532:                free(co, M_AACBUF);
                    533:        }
                    534:
                    535:        /* Remove the CAM SIMs */
                    536:        while ((sim = TAILQ_FIRST(&sc->aac_sim_tqh)) != NULL) {
                    537:                TAILQ_REMOVE(&sc->aac_sim_tqh, sim, sim_link);
                    538:                error = device_delete_child(dev, sim->sim_dev);
                    539:                if (error)
                    540:                        return (error);
                    541:                free(sim, M_AACBUF);
                    542:        }
                    543:
                    544:        if (sc->aifflags & AAC_AIFFLAGS_RUNNING) {
                    545:                sc->aifflags |= AAC_AIFFLAGS_EXIT;
                    546:                wakeup(sc->aifthread);
                    547:                tsleep(sc->aac_dev, PUSER | PCATCH, "aacdch", 30 * hz);
                    548:        }
                    549:
                    550:        if (sc->aifflags & AAC_AIFFLAGS_RUNNING)
                    551:                panic("Cannot shutdown AIF thread\n");
                    552:
                    553:        if ((error = aac_shutdown(dev)))
                    554:                return(error);
                    555:
                    556:        EVENTHANDLER_DEREGISTER(shutdown_final, sc->eh);
                    557:
                    558:        aac_free(sc);
                    559:
                    560:        return(0);
                    561: }
                    562:
                    563: /*
                    564:  * Bring the controller down to a dormant state and detach all child devices.
                    565:  *
                    566:  * This function is called before detach or system shutdown.
                    567:  *
                    568:  * Note that we can assume that the bioq on the controller is empty, as we won't
                    569:  * allow shutdown if any device is open.
                    570:  */
                    571: int
                    572: aac_shutdown(device_t dev)
                    573: {
                    574:        struct aac_softc *sc;
                    575:        struct aac_fib *fib;
                    576:        struct aac_close_command *cc;
                    577:
                    578:        debug_called(1);
                    579:
                    580:        sc = device_get_softc(dev);
                    581:
                    582:        sc->aac_state |= AAC_STATE_SUSPEND;
                    583:
                    584:        /*
                    585:         * Send a Container shutdown followed by a HostShutdown FIB to the
                    586:         * controller to convince it that we don't want to talk to it anymore.
                    587:         * We've been closed and all I/O completed already
                    588:         */
                    589:        device_printf(sc->aac_dev, "shutting down controller...");
                    590:
                    591:        aac_alloc_sync_fib(sc, &fib, AAC_SYNC_LOCK_FORCE);
                    592:        cc = (struct aac_close_command *)&fib->data[0];
                    593:
                    594:        bzero(cc, sizeof(struct aac_close_command));
                    595:        cc->Command = VM_CloseAll;
                    596:        cc->ContainerId = 0xffffffff;
                    597:        if (aac_sync_fib(sc, ContainerCommand, 0, fib,
                    598:            sizeof(struct aac_close_command)))
                    599:                printf("FAILED.\n");
                    600:        else
                    601:                printf("done\n");
                    602:        else {
                    603:                fib->data[0] = 0;
                    604:                /*
                    605:                 * XXX Issuing this command to the controller makes it
                    606:                 * shut down but also keeps it from coming back up
                    607:                 * without a reset of the PCI bus.  This is not
                    608:                 * desirable if you are just unloading the driver
                    609:                 * module with the intent to reload it later.
                    610:                 */
                    611:                if (aac_sync_fib(sc, FsaHostShutdown, AAC_FIBSTATE_SHUTDOWN,
                    612:                    fib, 1)) {
                    613:                        printf("FAILED.\n");
                    614:                } else {
                    615:                        printf("done.\n");
                    616:                }
                    617:        }
                    618:
                    619:        AAC_MASK_INTERRUPTS(sc);
                    620:
                    621:        return(0);
                    622: }
                    623:
                    624: /*
                    625:  * Bring the controller to a quiescent state, ready for system suspend.
                    626:  */
                    627: int
                    628: aac_suspend(device_t dev)
                    629: {
                    630:        struct aac_softc *sc;
                    631:
                    632:        debug_called(1);
                    633:
                    634:        sc = device_get_softc(dev);
                    635:
                    636:        sc->aac_state |= AAC_STATE_SUSPEND;
                    637:
                    638:        AAC_MASK_INTERRUPTS(sc);
                    639:        return(0);
                    640: }
                    641:
                    642: /*
                    643:  * Bring the controller back to a state ready for operation.
                    644:  */
                    645: int
                    646: aac_resume(device_t dev)
                    647: {
                    648:        struct aac_softc *sc;
                    649:
                    650:        debug_called(1);
                    651:
                    652:        sc = device_get_softc(dev);
                    653:
                    654:        sc->aac_state &= ~AAC_STATE_SUSPEND;
                    655:        AAC_UNMASK_INTERRUPTS(sc);
                    656:        return(0);
                    657: }
                    658: #endif
                    659:
                    660: /*
                    661:  * Take an interrupt.
                    662:  */
                    663: int
                    664: aac_intr(void *arg)
                    665: {
                    666:        struct aac_softc *sc = arg;
                    667:        u_int16_t reason;
                    668:
                    669:
                    670:        /*
                    671:         * Read the status register directly.  This is faster than taking the
                    672:         * driver lock and reading the queues directly.  It also saves having
                    673:         * to turn parts of the driver lock into a spin mutex, which would be
                    674:         * ugly.
                    675:         */
                    676:        reason = AAC_GET_ISTATUS(sc);
                    677:        AAC_CLEAR_ISTATUS(sc, reason);
                    678:        (void)AAC_GET_ISTATUS(sc);
                    679:
                    680:        if (reason == 0)
                    681:                return (0);
                    682:
                    683:        AAC_DPRINTF(AAC_D_INTR, ("%s: intr: sc=%p: reason=%#x\n",
                    684:                                 sc->aac_dev.dv_xname, sc, reason));
                    685:
                    686:        /* controller wants to talk to us */
                    687:        if (reason & (AAC_DB_PRINTF | AAC_DB_COMMAND_READY |
                    688:                      AAC_DB_RESPONSE_READY)) {
                    689:
                    690:                if (reason & AAC_DB_RESPONSE_READY) {
                    691:                        /* handle completion processing */
                    692:                        if (sc->aifflags & AAC_AIFFLAGS_RUNNING) {
                    693:                                sc->aifflags |= AAC_AIFFLAGS_COMPLETE;
                    694:                        } else {
                    695:                                AAC_LOCK_ACQUIRE(&sc->aac_io_lock);
                    696:                                aac_complete(sc);
                    697:                                AAC_LOCK_RELEASE(&sc->aac_io_lock);
                    698:                        }
                    699:                }
                    700:
                    701:
                    702:                /*
                    703:                 * XXX Make sure that we don't get fooled by strange messages
                    704:                 * that start with a NULL.
                    705:                 */
                    706:                if (reason & AAC_DB_PRINTF)
                    707:                        if (sc->aac_common->ac_printf[0] == 0)
                    708:                                sc->aac_common->ac_printf[0] = 32;
                    709:
                    710:                /*
                    711:                 * This might miss doing the actual wakeup.  However, the
                    712:                 * msleep that this is waking up has a timeout, so it will
                    713:                 * wake up eventually.  AIFs and printfs are low enough
                    714:                 * priority that they can handle hanging out for a few seconds
                    715:                 * if needed.
                    716:                 */
                    717:                if (sc->aifthread)
                    718:                        wakeup(sc->aifthread);
                    719:
                    720:        }
                    721:
                    722:        return (1);
                    723: }
                    724:
                    725: /*
                    726:  * Command Processing
                    727:  */
                    728:
                    729: /*
                    730:  * Start as much queued I/O as possible on the controller
                    731:  */
                    732: void
                    733: aac_startio(struct aac_softc *sc)
                    734: {
                    735:        struct aac_command *cm;
                    736:
                    737:        AAC_DPRINTF(AAC_D_CMD, ("%s: start command", sc->aac_dev.dv_xname));
                    738:
                    739:        if (sc->flags & AAC_QUEUE_FRZN) {
                    740:                AAC_DPRINTF(AAC_D_CMD, (": queue frozen"));
                    741:                return;
                    742:        }
                    743:
                    744:        AAC_DPRINTF(AAC_D_CMD, ("\n"));
                    745:
                    746:        for (;;) {
                    747:                /*
                    748:                 * Try to get a command that's been put off for lack of
                    749:                 * resources
                    750:                 */
                    751:                cm = aac_dequeue_ready(sc);
                    752:
                    753:                /*
                    754:                 * Try to build a command off the bio queue (ignore error
                    755:                 * return)
                    756:                 */
                    757:                if (cm == NULL) {
                    758:                        AAC_DPRINTF(AAC_D_CMD, ("\n"));
                    759:                        aac_bio_command(sc, &cm);
                    760:                        AAC_DPRINTF(AAC_D_CMD, ("%s: start done bio",
                    761:                                                sc->aac_dev.dv_xname));
                    762:                }
                    763:
                    764:                /* nothing to do? */
                    765:                if (cm == NULL)
                    766:                        break;
                    767:
                    768:                /*
                    769:                 * Try to give the command to the controller.  Any error is
                    770:                 * catastrophic since it means that bus_dmamap_load() failed.
                    771:                 */
                    772:                if (aac_map_command(cm) != 0)
                    773:                        panic("aac: error mapping command %p\n", cm);
                    774:
                    775:                AAC_DPRINTF(AAC_D_CMD, ("\n%s: another command",
                    776:                                        sc->aac_dev.dv_xname));
                    777:        }
                    778:
                    779:        AAC_DPRINTF(AAC_D_CMD, ("\n"));
                    780: }
                    781:
                    782: /*
                    783:  * Deliver a command to the controller; allocate controller resources at the
                    784:  * last moment when possible.
                    785:  */
                    786: int
                    787: aac_map_command(struct aac_command *cm)
                    788: {
                    789:        struct aac_softc *sc = cm->cm_sc;
                    790:        int error = 0;
                    791:
                    792:        AAC_DPRINTF(AAC_D_CMD, (": map command"));
                    793:
                    794:        /* don't map more than once */
                    795:        if (cm->cm_flags & AAC_CMD_MAPPED)
                    796:                panic("aac: command %p already mapped", cm);
                    797:
                    798:        if (cm->cm_datalen != 0) {
                    799:                error = bus_dmamap_load(sc->aac_dmat, cm->cm_datamap,
                    800:                                        cm->cm_data, cm->cm_datalen, NULL,
                    801:                                        BUS_DMA_NOWAIT);
                    802:                if (error)
                    803:                        return (error);
                    804:
                    805:                aac_map_command_sg(cm, cm->cm_datamap->dm_segs,
                    806:                                   cm->cm_datamap->dm_nsegs, 0);
                    807:        } else {
                    808:                aac_map_command_sg(cm, NULL, 0, 0);
                    809:        }
                    810:
                    811:        return (error);
                    812: }
                    813:
                    814: /*
                    815:  * Handle notification of one or more FIBs coming from the controller.
                    816:  */
                    817: void
                    818: aac_command_thread(void *arg)
                    819: {
                    820:        struct aac_softc *sc = arg;
                    821:        struct aac_fib *fib;
                    822:        u_int32_t fib_size;
                    823:        int size, retval;
                    824:
                    825:        AAC_DPRINTF(AAC_D_THREAD, ("%s: aac_command_thread: starting\n",
                    826:            sc->aac_dev.dv_xname));
                    827:        AAC_LOCK_ACQUIRE(&sc->aac_io_lock);
                    828:        sc->aifflags = AAC_AIFFLAGS_RUNNING;
                    829:
                    830:        while ((sc->aifflags & AAC_AIFFLAGS_EXIT) == 0) {
                    831:
                    832:                AAC_DPRINTF(AAC_D_THREAD,
                    833:                    ("%s: aac_command_thread: aifflags=%#x\n",
                    834:                    sc->aac_dev.dv_xname, sc->aifflags));
                    835:                retval = 0;
                    836:
                    837:                if ((sc->aifflags & AAC_AIFFLAGS_PENDING) == 0) {
                    838:                        AAC_DPRINTF(AAC_D_THREAD,
                    839:                                    ("%s: command thread sleeping\n",
                    840:                                     sc->aac_dev.dv_xname));
                    841:                        AAC_LOCK_RELEASE(&sc->aac_io_lock);
                    842:                        retval = tsleep(sc->aifthread, PRIBIO, "aifthd",
                    843:                                        AAC_PERIODIC_INTERVAL * hz);
                    844:                        AAC_LOCK_ACQUIRE(&sc->aac_io_lock);
                    845:                }
                    846:
                    847:                if ((sc->aifflags & AAC_AIFFLAGS_COMPLETE) != 0) {
                    848:                        aac_complete(sc);
                    849:                        sc->aifflags &= ~AAC_AIFFLAGS_COMPLETE;
                    850:                }
                    851:
                    852:                /*
                    853:                 * While we're here, check to see if any commands are stuck.
                    854:                 * This is pretty low-priority, so it's ok if it doesn't
                    855:                 * always fire.
                    856:                 */
                    857:                if (retval == EWOULDBLOCK)
                    858:                        aac_timeout(sc);
                    859:
                    860:                /* Check the hardware printf message buffer */
                    861:                if (sc->aac_common->ac_printf[0] != 0)
                    862:                        aac_print_printf(sc);
                    863:
                    864:                /* Also check to see if the adapter has a command for us. */
                    865:                while (aac_dequeue_fib(sc, AAC_HOST_NORM_CMD_QUEUE,
                    866:                                       &fib_size, &fib) == 0) {
                    867:
                    868:                        AAC_PRINT_FIB(sc, fib);
                    869:
                    870:                        switch (fib->Header.Command) {
                    871:                        case AifRequest:
                    872:                                //aac_handle_aif(sc, fib);
                    873:                                break;
                    874:                        default:
                    875:                                printf("%s: unknown command from controller\n",
                    876:                                       sc->aac_dev.dv_xname);
                    877:                                break;
                    878:                        }
                    879:
                    880:                        if ((fib->Header.XferState == 0) ||
                    881:                            (fib->Header.StructType != AAC_FIBTYPE_TFIB))
                    882:                                break;
                    883:
                    884:                        /* Return the AIF to the controller. */
                    885:                        if (fib->Header.XferState & AAC_FIBSTATE_FROMADAP) {
                    886:                                fib->Header.XferState |= AAC_FIBSTATE_DONEHOST;
                    887:                                *(AAC_FSAStatus*)fib->data = ST_OK;
                    888:
                    889:                                /* XXX Compute the Size field? */
                    890:                                size = fib->Header.Size;
                    891:                                if (size > sizeof(struct aac_fib)) {
                    892:                                        size = sizeof(struct aac_fib);
                    893:                                        fib->Header.Size = size;
                    894:                                }
                    895:
                    896:                                /*
                    897:                                 * Since we did not generate this command, it
                    898:                                 * cannot go through the normal
                    899:                                 * enqueue->startio chain.
                    900:                                 */
                    901:                                aac_enqueue_response(sc,
                    902:                                                     AAC_ADAP_NORM_RESP_QUEUE,
                    903:                                                     fib);
                    904:                        }
                    905:                }
                    906:        }
                    907:        sc->aifflags &= ~AAC_AIFFLAGS_RUNNING;
                    908:        AAC_LOCK_RELEASE(&sc->aac_io_lock);
                    909:
                    910: #if 0
                    911:        /*
                    912:         * if we ever implement detach, we should have detach tsleep
                    913:         * to wait for this thread to finish
                    914:         */
                    915:        wakeup(sc->aac_dev);
                    916: #endif
                    917:
                    918:        AAC_DPRINTF(AAC_D_THREAD, ("%s: aac_command_thread: exiting\n",
                    919:            sc->aac_dev.dv_xname));
                    920:        kthread_exit(0);
                    921: }
                    922:
                    923: /*
                    924:  * Process completed commands.
                    925:  */
                    926: void
                    927: aac_complete(void *context)
                    928: {
                    929:        struct aac_softc *sc = (struct aac_softc *)context;
                    930:        struct aac_command *cm;
                    931:        struct aac_fib *fib;
                    932:        u_int32_t fib_size;
                    933:
                    934:        AAC_DPRINTF(AAC_D_CMD, ("%s: complete", sc->aac_dev.dv_xname));
                    935:
                    936:        /* pull completed commands off the queue */
                    937:        for (;;) {
                    938:                /* look for completed FIBs on our queue */
                    939:                if (aac_dequeue_fib(sc, AAC_HOST_NORM_RESP_QUEUE, &fib_size,
                    940:                                    &fib))
                    941:                        break;  /* nothing to do */
                    942:
                    943:                /* get the command, unmap and hand off for processing */
                    944:                cm = sc->aac_commands + fib->Header.SenderData;
                    945:                if (cm == NULL) {
                    946:                        AAC_PRINT_FIB(sc, fib);
                    947:                        break;
                    948:                }
                    949:
                    950:                aac_remove_busy(cm);
                    951:                aac_unmap_command(cm);
                    952:                cm->cm_flags |= AAC_CMD_COMPLETED;
                    953:
                    954:                /* is there a completion handler? */
                    955:                if (cm->cm_complete != NULL) {
                    956:                        cm->cm_complete(cm);
                    957:                } else {
                    958:                        /* assume that someone is sleeping on this command */
                    959:                        wakeup(cm);
                    960:                }
                    961:        }
                    962:
                    963:        AAC_DPRINTF(AAC_D_CMD, ("\n"));
                    964:        /* see if we can start some more I/O */
                    965:        sc->flags &= ~AAC_QUEUE_FRZN;
                    966:        aac_startio(sc);
                    967: }
                    968:
                    969: /*
                    970:  * Get a bio and build a command to go with it.
                    971:  */
                    972: int
                    973: aac_bio_command(struct aac_softc *sc, struct aac_command **cmp)
                    974: {
                    975:        struct aac_command *cm;
                    976:        struct aac_fib *fib;
                    977:        struct scsi_xfer *xs;
                    978:        u_int8_t opcode = 0;
                    979:
                    980:        AAC_DPRINTF(AAC_D_CMD, ("%s: bio command", sc->aac_dev.dv_xname));
                    981:
                    982:        /* get the resources we will need */
                    983:        if ((cm = aac_dequeue_bio(sc)) == NULL)
                    984:                goto fail;
                    985:        xs = cm->cm_private;
                    986:
                    987:        /* build the FIB */
                    988:        fib = cm->cm_fib;
                    989:        fib->Header.Size = sizeof(struct aac_fib_header);
                    990:        fib->Header.XferState =
                    991:                AAC_FIBSTATE_HOSTOWNED   |
                    992:                AAC_FIBSTATE_INITIALISED |
                    993:                AAC_FIBSTATE_EMPTY       |
                    994:                AAC_FIBSTATE_FROMHOST    |
                    995:                AAC_FIBSTATE_REXPECTED   |
                    996:                AAC_FIBSTATE_NORM        |
                    997:                AAC_FIBSTATE_ASYNC       |
                    998:                AAC_FIBSTATE_FAST_RESPONSE;
                    999:
                   1000:        switch(xs->cmd->opcode) {
                   1001:        case READ_COMMAND:
                   1002:        case READ_BIG:
                   1003:                opcode = READ_COMMAND;
                   1004:                break;
                   1005:        case WRITE_COMMAND:
                   1006:        case WRITE_BIG:
                   1007:                opcode = WRITE_COMMAND;
                   1008:                break;
                   1009:        default:
                   1010:                panic("%s: invalid opcode %#x\n", sc->aac_dev.dv_xname,
                   1011:                      xs->cmd->opcode);
                   1012:        }
                   1013:
                   1014:        /* build the read/write request */
                   1015:        if ((sc->flags & AAC_FLAGS_SG_64BIT) == 0) {
                   1016:                fib->Header.Command = ContainerCommand;
                   1017:                if (opcode == READ_COMMAND) {
                   1018:                        struct aac_blockread *br;
                   1019:                        br = (struct aac_blockread *)&fib->data[0];
                   1020:                        br->Command = VM_CtBlockRead;
                   1021:                        br->ContainerId = xs->sc_link->target;
                   1022:                        br->BlockNumber = cm->cm_blkno;
                   1023:                        br->ByteCount = cm->cm_bcount * AAC_BLOCK_SIZE;
                   1024:                        fib->Header.Size += sizeof(struct aac_blockread);
                   1025:                        cm->cm_sgtable = &br->SgMap;
                   1026:                        cm->cm_flags |= AAC_CMD_DATAIN;
                   1027:                } else {
                   1028:                        struct aac_blockwrite *bw;
                   1029:                        bw = (struct aac_blockwrite *)&fib->data[0];
                   1030:                        bw->Command = VM_CtBlockWrite;
                   1031:                        bw->ContainerId = xs->sc_link->target;
                   1032:                        bw->BlockNumber = cm->cm_blkno;
                   1033:                        bw->ByteCount = cm->cm_bcount * AAC_BLOCK_SIZE;
                   1034:                        bw->Stable = CUNSTABLE;
                   1035:                        fib->Header.Size += sizeof(struct aac_blockwrite);
                   1036:                        cm->cm_flags |= AAC_CMD_DATAOUT;
                   1037:                        cm->cm_sgtable = &bw->SgMap;
                   1038:                }
                   1039:        } else {
                   1040:                fib->Header.Command = ContainerCommand64;
                   1041:                if (opcode == READ_COMMAND) {
                   1042:                        struct aac_blockread64 *br;
                   1043:                        br = (struct aac_blockread64 *)&fib->data[0];
                   1044:                        br->Command = VM_CtHostRead64;
                   1045:                        br->ContainerId = xs->sc_link->target;
                   1046:                        br->BlockNumber = cm->cm_blkno;
                   1047:                        br->SectorCount = cm->cm_bcount;
                   1048:                        br->Pad = 0;
                   1049:                        br->Flags = 0;
                   1050:                        fib->Header.Size += sizeof(struct aac_blockread64);
                   1051:                        cm->cm_flags |= AAC_CMD_DATAOUT;
                   1052:                        (struct aac_sg_table64 *)cm->cm_sgtable = &br->SgMap64;
                   1053:                } else {
                   1054:                        struct aac_blockwrite64 *bw;
                   1055:                        bw = (struct aac_blockwrite64 *)&fib->data[0];
                   1056:                        bw->Command = VM_CtHostWrite64;
                   1057:                        bw->ContainerId = xs->sc_link->target;
                   1058:                        bw->BlockNumber = cm->cm_blkno;
                   1059:                        bw->SectorCount = cm->cm_bcount;
                   1060:                        bw->Pad = 0;
                   1061:                        bw->Flags = 0;
                   1062:                        fib->Header.Size += sizeof(struct aac_blockwrite64);
                   1063:                        cm->cm_flags |= AAC_CMD_DATAIN;
                   1064:                        (struct aac_sg_table64 *)cm->cm_sgtable = &bw->SgMap64;
                   1065:                }
                   1066:        }
                   1067:
                   1068:        *cmp = cm;
                   1069:        AAC_DPRINTF(AAC_D_CMD, ("\n"));
                   1070:        return(0);
                   1071:
                   1072: fail:
                   1073:        AAC_DPRINTF(AAC_D_CMD, ("\n"));
                   1074:        return(ENOMEM);
                   1075: }
                   1076:
                   1077: /*
                   1078:  * Handle a bio-instigated command that has been completed.
                   1079:  */
                   1080: void
                   1081: aac_bio_complete(struct aac_command *cm)
                   1082: {
                   1083:        struct aac_blockread_response *brr;
                   1084:        struct aac_blockwrite_response *bwr;
                   1085:        struct scsi_xfer *xs = (struct scsi_xfer *)cm->cm_private;
                   1086:        AAC_FSAStatus status;
                   1087:        int s;
                   1088:
                   1089:        AAC_DPRINTF(AAC_D_CMD,
                   1090:                    ("%s: bio complete\n", cm->cm_sc->aac_dev.dv_xname));
                   1091:
                   1092:        /* fetch relevant status and then release the command */
                   1093:        if (xs->flags & SCSI_DATA_IN) {
                   1094:                brr = (struct aac_blockread_response *)&cm->cm_fib->data[0];
                   1095:                status = brr->Status;
                   1096:        } else {
                   1097:                bwr = (struct aac_blockwrite_response *)&cm->cm_fib->data[0];
                   1098:                status = bwr->Status;
                   1099:        }
                   1100:
                   1101:        s = splbio();
                   1102:        aac_release_command(cm);
                   1103:
                   1104:        xs->error = status == ST_OK? XS_NOERROR : XS_DRIVER_STUFFUP;
                   1105:        xs->resid = 0;
                   1106:        xs->flags |= ITSDONE;
                   1107:        scsi_done(xs);
                   1108:        splx(s);
                   1109: }
                   1110:
                   1111: /*
                   1112:  * Submit a command to the controller, return when it completes.
                   1113:  * XXX This is very dangerous!  If the card has gone out to lunch, we could
                   1114:  *     be stuck here forever.  At the same time, signals are not caught
                   1115:  *     because there is a risk that a signal could wakeup the tsleep before
                   1116:  *     the card has a chance to complete the command.  The passed in timeout
                   1117:  *     is ignored for the same reason.  Since there is no way to cancel a
                   1118:  *     command in progress, we should probably create a 'dead' queue where
                   1119:  *     commands go that have been interrupted/timed-out/etc, that keeps them
                   1120:  *     out of the free pool.  That way, if the card is just slow, it won't
                   1121:  *     spam the memory of a command that has been recycled.
                   1122:  */
                   1123: int
                   1124: aac_wait_command(struct aac_command *cm, int timeout)
                   1125: {
                   1126:        struct aac_softc *sc = cm->cm_sc;
                   1127:        int error = 0;
                   1128:
                   1129:        AAC_DPRINTF(AAC_D_CMD, (": wait for command"));
                   1130:
                   1131:        /* Put the command on the ready queue and get things going */
                   1132:        cm->cm_queue = AAC_ADAP_NORM_CMD_QUEUE;
                   1133:        aac_enqueue_ready(cm);
                   1134:        AAC_DPRINTF(AAC_D_CMD, ("\n"));
                   1135:        aac_startio(sc);
                   1136:        while (!(cm->cm_flags & AAC_CMD_COMPLETED) && (error != EWOULDBLOCK)) {
                   1137:                AAC_DPRINTF(AAC_D_MISC, ("%s: sleeping until command done\n",
                   1138:                                         sc->aac_dev.dv_xname));
                   1139:                AAC_LOCK_RELEASE(&sc->aac_io_lock);
                   1140:                error = tsleep(cm, PRIBIO, "aacwait", timeout);
                   1141:                AAC_LOCK_ACQUIRE(&sc->aac_io_lock);
                   1142:        }
                   1143:        return (error);
                   1144: }
                   1145:
                   1146: /*
                   1147:  *Command Buffer Management
                   1148:  */
                   1149:
                   1150: /*
                   1151:  * Allocate a command.
                   1152:  */
                   1153: int
                   1154: aac_alloc_command(struct aac_softc *sc, struct aac_command **cmp)
                   1155: {
                   1156:        struct aac_command *cm;
                   1157:
                   1158:        AAC_DPRINTF(AAC_D_CMD, (": allocate command"));
                   1159:        if ((cm = aac_dequeue_free(sc)) == NULL) {
                   1160:                AAC_DPRINTF(AAC_D_CMD, (" failed"));
                   1161:                return (EBUSY);
                   1162:        }
                   1163:
                   1164:        *cmp = cm;
                   1165:        return(0);
                   1166: }
                   1167:
                   1168: /*
                   1169:  * Release a command back to the freelist.
                   1170:  */
                   1171: void
                   1172: aac_release_command(struct aac_command *cm)
                   1173: {
                   1174:        AAC_DPRINTF(AAC_D_CMD, (": release command"));
                   1175:
                   1176:        /* (re)initialise the command/FIB */
                   1177:        cm->cm_sgtable = NULL;
                   1178:        cm->cm_flags = 0;
                   1179:        cm->cm_complete = NULL;
                   1180:        cm->cm_private = NULL;
                   1181:        cm->cm_fib->Header.XferState = AAC_FIBSTATE_EMPTY;
                   1182:        cm->cm_fib->Header.StructType = AAC_FIBTYPE_TFIB;
                   1183:        cm->cm_fib->Header.Flags = 0;
                   1184:        cm->cm_fib->Header.SenderSize = sizeof(struct aac_fib);
                   1185:
                   1186:        /*
                   1187:         * These are duplicated in aac_start to cover the case where an
                   1188:         * intermediate stage may have destroyed them.  They're left
                   1189:         * initialised here for debugging purposes only.
                   1190:         */
                   1191:        cm->cm_fib->Header.ReceiverFibAddress = (u_int32_t)cm->cm_fibphys;
                   1192:        cm->cm_fib->Header.SenderData = 0;
                   1193:
                   1194:        aac_enqueue_free(cm);
                   1195: }
                   1196:
                   1197: /*
                   1198:  * Allocate and initialise commands/FIBs for this adapter.
                   1199:  */
                   1200: int
                   1201: aac_alloc_commands(struct aac_softc *sc)
                   1202: {
                   1203:        struct aac_command *cm;
                   1204:        struct aac_fibmap *fm;
                   1205:        int i, error;
                   1206:
                   1207:        if (sc->total_fibs + AAC_FIB_COUNT > sc->aac_max_fibs)
                   1208:                return (ENOMEM);
                   1209:
                   1210:        fm = malloc(sizeof(struct aac_fibmap), M_DEVBUF, M_NOWAIT);
                   1211:        if (fm == NULL)
                   1212:                goto exit;
                   1213:        bzero(fm, sizeof(struct aac_fibmap));
                   1214:
                   1215:        /* allocate the FIBs in DMAable memory and load them */
                   1216:        if (bus_dmamem_alloc(sc->aac_dmat, AAC_FIBMAP_SIZE, PAGE_SIZE, 0,
                   1217:            &fm->aac_seg, 1, &fm->aac_nsegs, BUS_DMA_NOWAIT)) {
                   1218:                printf("%s: can't alloc FIBs\n", sc->aac_dev.dv_xname);
                   1219:                error = ENOBUFS;
                   1220:                goto exit_alloc;
                   1221:        }
                   1222:
                   1223:        if (bus_dmamem_map(sc->aac_dmat, &fm->aac_seg, 1,
                   1224:            AAC_FIBMAP_SIZE, (caddr_t *)&fm->aac_fibs, BUS_DMA_NOWAIT)) {
                   1225:                printf("%s: can't map FIB structure\n", sc->aac_dev.dv_xname);
                   1226:                error = ENOBUFS;
                   1227:                goto exit_map;
                   1228:        }
                   1229:
                   1230:        if (bus_dmamap_create(sc->aac_dmat, AAC_FIBMAP_SIZE, 1,
                   1231:            AAC_FIBMAP_SIZE, 0, BUS_DMA_NOWAIT, &fm->aac_fibmap)) {
                   1232:                printf("%s: can't create dma map\n", sc->aac_dev.dv_xname);
                   1233:                error = ENOBUFS;
                   1234:                goto exit_create;
                   1235:        }
                   1236:
                   1237:        if (bus_dmamap_load(sc->aac_dmat, fm->aac_fibmap, fm->aac_fibs,
                   1238:            AAC_FIBMAP_SIZE, NULL, BUS_DMA_NOWAIT)) {
                   1239:                printf("%s: can't load dma map\n", sc->aac_dev.dv_xname);
                   1240:                error = ENOBUFS;
                   1241:                goto exit_load;
                   1242:        }
                   1243:
                   1244:        /* initialise constant fields in the command structure */
                   1245:        AAC_LOCK_ACQUIRE(&sc->aac_io_lock);
                   1246:        bzero(fm->aac_fibs, AAC_FIB_COUNT * sizeof(struct aac_fib));
                   1247:        for (i = 0; i < AAC_FIB_COUNT; i++) {
                   1248:                cm = sc->aac_commands + sc->total_fibs;
                   1249:                fm->aac_commands = cm;
                   1250:                cm->cm_sc = sc;
                   1251:                cm->cm_fib = fm->aac_fibs + i;
                   1252:                cm->cm_fibphys = fm->aac_fibmap->dm_segs[0].ds_addr +
                   1253:                        (i * sizeof(struct aac_fib));
                   1254:                cm->cm_index = sc->total_fibs;
                   1255:
                   1256:                if (bus_dmamap_create(sc->aac_dmat, MAXBSIZE, AAC_MAXSGENTRIES,
                   1257:                    MAXBSIZE, 0, BUS_DMA_NOWAIT, &cm->cm_datamap)) {
                   1258:                        break;
                   1259:                }
                   1260:                aac_release_command(cm);
                   1261:                sc->total_fibs++;
                   1262:        }
                   1263:
                   1264:        if (i > 0) {
                   1265:                TAILQ_INSERT_TAIL(&sc->aac_fibmap_tqh, fm, fm_link);
                   1266:                AAC_DPRINTF(AAC_D_MISC, ("%s: total_fibs= %d\n",
                   1267:                                         sc->aac_dev.dv_xname,
                   1268:                                         sc->total_fibs));
                   1269:                AAC_LOCK_RELEASE(&sc->aac_io_lock);
                   1270:                return (0);
                   1271:        }
                   1272:
                   1273:  exit_load:
                   1274:        bus_dmamap_destroy(sc->aac_dmat, fm->aac_fibmap);
                   1275:  exit_create:
                   1276:        bus_dmamem_unmap(sc->aac_dmat, (caddr_t)fm->aac_fibs, AAC_FIBMAP_SIZE);
                   1277:  exit_map:
                   1278:        bus_dmamem_free(sc->aac_dmat, &fm->aac_seg, fm->aac_nsegs);
                   1279:  exit_alloc:
                   1280:        free(fm, M_DEVBUF);
                   1281:  exit:
                   1282:        AAC_LOCK_RELEASE(&sc->aac_io_lock);
                   1283:        return (error);
                   1284: }
                   1285:
                   1286: /*
                   1287:  * Free FIBs owned by this adapter.
                   1288:  */
                   1289: void
                   1290: aac_free_commands(struct aac_softc *sc)
                   1291: {
                   1292:        struct aac_fibmap *fm;
                   1293:        struct aac_command *cm;
                   1294:        int i;
                   1295:
                   1296:        while ((fm = TAILQ_FIRST(&sc->aac_fibmap_tqh)) != NULL) {
                   1297:
                   1298:                TAILQ_REMOVE(&sc->aac_fibmap_tqh, fm, fm_link);
                   1299:
                   1300:                /*
                   1301:                 * We check against total_fibs to handle partially
                   1302:                 * allocated blocks.
                   1303:                 */
                   1304:                for (i = 0; i < AAC_FIB_COUNT && sc->total_fibs--; i++) {
                   1305:                        cm = fm->aac_commands + i;
                   1306:                        bus_dmamap_destroy(sc->aac_dmat, cm->cm_datamap);
                   1307:                }
                   1308:
                   1309:                bus_dmamap_unload(sc->aac_dmat, fm->aac_fibmap);
                   1310:                bus_dmamap_destroy(sc->aac_dmat, fm->aac_fibmap);
                   1311:                bus_dmamem_unmap(sc->aac_dmat, (caddr_t)fm->aac_fibs,
                   1312:                                 AAC_FIBMAP_SIZE);
                   1313:                bus_dmamem_free(sc->aac_dmat, &fm->aac_seg, fm->aac_nsegs);
                   1314:                free(fm, M_DEVBUF);
                   1315:        }
                   1316: }
                   1317:
                   1318:
                   1319: /*
                   1320:  * Command-mapping helper function - populate this command's s/g table.
                   1321:  */
                   1322: void
                   1323: aac_map_command_sg(void *arg, bus_dma_segment_t *segs, int nseg, int error)
                   1324: {
                   1325:        struct aac_command *cm = arg;
                   1326:        struct aac_softc *sc = cm->cm_sc;
                   1327:        struct aac_fib *fib = cm->cm_fib;
                   1328:        int i;
                   1329:
                   1330:        /* copy into the FIB */
                   1331:        if (cm->cm_sgtable != NULL) {
                   1332:                if ((cm->cm_sc->flags & AAC_FLAGS_SG_64BIT) == 0) {
                   1333:                        struct aac_sg_table *sg = cm->cm_sgtable;
                   1334:                        sg->SgCount = nseg;
                   1335:                        for (i = 0; i < nseg; i++) {
                   1336:                                sg->SgEntry[i].SgAddress = segs[i].ds_addr;
                   1337:                                sg->SgEntry[i].SgByteCount = segs[i].ds_len;
                   1338:                        }
                   1339:                        /* update the FIB size for the s/g count */
                   1340:                        fib->Header.Size += nseg * sizeof(struct aac_sg_entry);
                   1341:                } else {
                   1342:                        struct aac_sg_table64 *sg;
                   1343:                        sg = (struct aac_sg_table64 *)cm->cm_sgtable;
                   1344:                        sg->SgCount = nseg;
                   1345:                        for (i = 0; i < nseg; i++) {
                   1346:                                sg->SgEntry64[i].SgAddress = segs[i].ds_addr;
                   1347:                                sg->SgEntry64[i].SgByteCount = segs[i].ds_len;
                   1348:                        }
                   1349:                        /* update the FIB size for the s/g count */
                   1350:                        fib->Header.Size += nseg*sizeof(struct aac_sg_entry64);
                   1351:                }
                   1352:        }
                   1353:
                   1354:        /* Fix up the address values in the FIB.  Use the command array index
                   1355:         * instead of a pointer since these fields are only 32 bits.  Shift
                   1356:         * the SenderFibAddress over to make room for the fast response bit.
                   1357:         */
                   1358:        cm->cm_fib->Header.SenderFibAddress = (cm->cm_index << 1);
                   1359:        cm->cm_fib->Header.ReceiverFibAddress = cm->cm_fibphys;
                   1360:
                   1361:        /* save a pointer to the command for speedy reverse-lookup */
                   1362:        cm->cm_fib->Header.SenderData = cm->cm_index;
                   1363:
                   1364:        if (cm->cm_flags & AAC_CMD_DATAIN)
                   1365:                bus_dmamap_sync(sc->aac_dmat, cm->cm_datamap, 0,
                   1366:                                cm->cm_datamap->dm_mapsize,
                   1367:                                BUS_DMASYNC_PREREAD);
                   1368:        if (cm->cm_flags & AAC_CMD_DATAOUT)
                   1369:                bus_dmamap_sync(sc->aac_dmat, cm->cm_datamap, 0,
                   1370:                                cm->cm_datamap->dm_mapsize,
                   1371:                                BUS_DMASYNC_PREWRITE);
                   1372:        cm->cm_flags |= AAC_CMD_MAPPED;
                   1373:
                   1374:        /* put the FIB on the outbound queue */
                   1375:        if (aac_enqueue_fib(sc, cm->cm_queue, cm) == EBUSY) {
                   1376:                aac_remove_busy(cm);
                   1377:                aac_unmap_command(cm);
                   1378:                aac_requeue_ready(cm);
                   1379:        }
                   1380: }
                   1381:
                   1382: /*
                   1383:  * Unmap a command from controller-visible space.
                   1384:  */
                   1385: void
                   1386: aac_unmap_command(struct aac_command *cm)
                   1387: {
                   1388:        struct aac_softc *sc = cm->cm_sc;
                   1389:
                   1390:        if (!(cm->cm_flags & AAC_CMD_MAPPED))
                   1391:                return;
                   1392:
                   1393:        if (cm->cm_datalen != 0) {
                   1394:                if (cm->cm_flags & AAC_CMD_DATAIN)
                   1395:                        bus_dmamap_sync(sc->aac_dmat, cm->cm_datamap, 0,
                   1396:                                        cm->cm_datamap->dm_mapsize,
                   1397:                                        BUS_DMASYNC_POSTREAD);
                   1398:                if (cm->cm_flags & AAC_CMD_DATAOUT)
                   1399:                        bus_dmamap_sync(sc->aac_dmat, cm->cm_datamap, 0,
                   1400:                                        cm->cm_datamap->dm_mapsize,
                   1401:                                        BUS_DMASYNC_POSTWRITE);
                   1402:
                   1403:                bus_dmamap_unload(sc->aac_dmat, cm->cm_datamap);
                   1404:        }
                   1405:        cm->cm_flags &= ~AAC_CMD_MAPPED;
                   1406: }
                   1407:
                   1408: /*
                   1409:  * Hardware Interface
                   1410:  */
                   1411:
                   1412: /*
                   1413:  * Initialise the adapter.
                   1414:  */
                   1415: int
                   1416: aac_check_firmware(struct aac_softc *sc)
                   1417: {
                   1418:        u_int32_t major, minor, options;
                   1419:
                   1420:        /*
                   1421:         * Retrieve the firmware version numbers.  Dell PERC2/QC cards with
                   1422:         * firmware version 1.x are not compatible with this driver.
                   1423:         */
                   1424:        if (sc->flags & AAC_FLAGS_PERC2QC) {
                   1425:                if (aac_sync_command(sc, AAC_MONKER_GETKERNVER, 0, 0, 0, 0,
                   1426:                                     NULL)) {
                   1427:                        printf("%s: Error reading firmware version\n",
                   1428:                               sc->aac_dev.dv_xname);
                   1429:                        return (EIO);
                   1430:                }
                   1431:
                   1432:                /* These numbers are stored as ASCII! */
                   1433:                major = (AAC_GET_MAILBOX(sc, 1) & 0xff) - 0x30;
                   1434:                minor = (AAC_GET_MAILBOX(sc, 2) & 0xff) - 0x30;
                   1435:                if (major == 1) {
                   1436:                        printf("%s: Firmware version %d.%d is not supported\n",
                   1437:                               sc->aac_dev.dv_xname, major, minor);
                   1438:                        return (EINVAL);
                   1439:                }
                   1440:        }
                   1441:
                   1442:        /*
                   1443:         * Retrieve the capabilities/supported options word so we know what
                   1444:         * work-arounds to enable.
                   1445:         */
                   1446:        if (aac_sync_command(sc, AAC_MONKER_GETINFO, 0, 0, 0, 0, NULL)) {
                   1447:                printf("%s: RequestAdapterInfo failed\n",
                   1448:                       sc->aac_dev.dv_xname);
                   1449:                return (EIO);
                   1450:        }
                   1451:        options = AAC_GET_MAILBOX(sc, 1);
                   1452:        sc->supported_options = options;
                   1453:
                   1454:        if ((options & AAC_SUPPORTED_4GB_WINDOW) != 0 &&
                   1455:            (sc->flags & AAC_FLAGS_NO4GB) == 0)
                   1456:                sc->flags |= AAC_FLAGS_4GB_WINDOW;
                   1457:        if (options & AAC_SUPPORTED_NONDASD)
                   1458:                sc->flags |= AAC_FLAGS_ENABLE_CAM;
                   1459:        if ((options & AAC_SUPPORTED_SGMAP_HOST64) != 0
                   1460:             && (sizeof(bus_addr_t) > 4)) {
                   1461:                printf("%s: Enabling 64-bit address support\n",
                   1462:                       sc->aac_dev.dv_xname);
                   1463:                sc->flags |= AAC_FLAGS_SG_64BIT;
                   1464:        }
                   1465:
                   1466:        /* Check for broken hardware that does a lower number of commands */
                   1467:        if ((sc->flags & AAC_FLAGS_256FIBS) == 0)
                   1468:                sc->aac_max_fibs = AAC_MAX_FIBS;
                   1469:        else
                   1470:                sc->aac_max_fibs = 256;
                   1471:
                   1472:        return (0);
                   1473: }
                   1474:
                   1475: int
                   1476: aac_init(struct aac_softc *sc)
                   1477: {
                   1478:        bus_dma_segment_t seg;
                   1479:        int nsegs;
                   1480:        int i, error;
                   1481:        int state = 0;
                   1482:        struct aac_adapter_init *ip;
                   1483:        time_t then;
                   1484:        u_int32_t code, qoffset;
                   1485:
                   1486:        /*
                   1487:         * First wait for the adapter to come ready.
                   1488:         */
                   1489:        then = time_uptime;
                   1490:        for (i = 0; i < AAC_BOOT_TIMEOUT * 1000; i++) {
                   1491:                code = AAC_GET_FWSTATUS(sc);
                   1492:                if (code & AAC_SELF_TEST_FAILED) {
                   1493:                        printf("%s: FATAL: selftest failed\n",
                   1494:                            sc->aac_dev.dv_xname);
                   1495:                        return (ENXIO);
                   1496:                }
                   1497:                if (code & AAC_KERNEL_PANIC) {
                   1498:                        printf("%s: FATAL: controller kernel panic\n",
                   1499:                            sc->aac_dev.dv_xname);
                   1500:                        return (ENXIO);
                   1501:                }
                   1502:                if (code & AAC_UP_AND_RUNNING)
                   1503:                        break;
                   1504:                DELAY(1000);
                   1505:        }
                   1506:        if (i == AAC_BOOT_TIMEOUT * 1000) {
                   1507:                printf("%s: FATAL: controller not coming ready, status %x\n",
                   1508:                    sc->aac_dev.dv_xname, code);
                   1509:                return (ENXIO);
                   1510:        }
                   1511:
                   1512:        /*
                   1513:         * Work around a bug in the 2120 and 2200 that cannot DMA commands
                   1514:         * below address 8192 in physical memory.
                   1515:         * XXX If the padding is not needed, can it be put to use instead
                   1516:         * of ignored?
                   1517:         */
                   1518:        if (bus_dmamem_alloc(sc->aac_dmat, AAC_COMMON_ALLOCSIZE, PAGE_SIZE, 0,
                   1519:                             &seg, 1, &nsegs, BUS_DMA_NOWAIT)) {
                   1520:                printf("%s: can't allocate common structure\n",
                   1521:                    sc->aac_dev.dv_xname);
                   1522:                return (ENOMEM);
                   1523:        }
                   1524:        state++;
                   1525:
                   1526:        if (bus_dmamem_map(sc->aac_dmat, &seg, nsegs, AAC_COMMON_ALLOCSIZE,
                   1527:                           (caddr_t *)&sc->aac_common, BUS_DMA_NOWAIT)) {
                   1528:                printf("%s: can't map common structure\n",
                   1529:                    sc->aac_dev.dv_xname);
                   1530:                error = ENOMEM;
                   1531:                goto bail_out;
                   1532:        }
                   1533:        state++;
                   1534:
                   1535:        if (bus_dmamap_create(sc->aac_dmat, AAC_COMMON_ALLOCSIZE, 1,
                   1536:            AAC_COMMON_ALLOCSIZE, 0, BUS_DMA_NOWAIT, &sc->aac_common_map)) {
                   1537:                printf("%s: can't create dma map\n", sc->aac_dev.dv_xname);
                   1538:                error = ENOBUFS;
                   1539:                goto bail_out;
                   1540:        }
                   1541:        state++;
                   1542:
                   1543:        if (bus_dmamap_load(sc->aac_dmat, sc->aac_common_map, sc->aac_common,
                   1544:            AAC_COMMON_ALLOCSIZE, NULL, BUS_DMA_NOWAIT)) {
                   1545:                printf("%s: can't load dma map\n", sc->aac_dev.dv_xname);
                   1546:                error = ENOBUFS;
                   1547:                goto bail_out;
                   1548:        }
                   1549:        state++;
                   1550:
                   1551:        sc->aac_common_busaddr = sc->aac_common_map->dm_segs[0].ds_addr;
                   1552:
                   1553:        if (sc->aac_common_busaddr < 8192) {
                   1554:                (uint8_t *)sc->aac_common += 8192;
                   1555:                sc->aac_common_busaddr += 8192;
                   1556:        }
                   1557:        bzero(sc->aac_common, sizeof *sc->aac_common);
                   1558:
                   1559:        /* Allocate some FIBs and associated command structs */
                   1560:        TAILQ_INIT(&sc->aac_fibmap_tqh);
                   1561:        sc->aac_commands = malloc(AAC_MAX_FIBS * sizeof(struct aac_command),
                   1562:                                  M_DEVBUF, M_WAITOK);
                   1563:        bzero(sc->aac_commands, AAC_MAX_FIBS * sizeof(struct aac_command));
                   1564:        while (sc->total_fibs < AAC_MAX_FIBS) {
                   1565:                if (aac_alloc_commands(sc) != 0)
                   1566:                        break;
                   1567:        }
                   1568:        if (sc->total_fibs == 0)
                   1569:                goto out;
                   1570:
                   1571:        /*
                   1572:         * Fill in the init structure.  This tells the adapter about the
                   1573:         * physical location of various important shared data structures.
                   1574:         */
                   1575:        ip = &sc->aac_common->ac_init;
                   1576:        ip->InitStructRevision = AAC_INIT_STRUCT_REVISION;
                   1577:        ip->MiniPortRevision = AAC_INIT_STRUCT_MINIPORT_REVISION;
                   1578:
                   1579:        ip->AdapterFibsPhysicalAddress = sc->aac_common_busaddr +
                   1580:                                         offsetof(struct aac_common, ac_fibs);
                   1581:        ip->AdapterFibsVirtualAddress = 0;
                   1582:        ip->AdapterFibsSize = AAC_ADAPTER_FIBS * sizeof(struct aac_fib);
                   1583:        ip->AdapterFibAlign = sizeof(struct aac_fib);
                   1584:
                   1585:        ip->PrintfBufferAddress = sc->aac_common_busaddr +
                   1586:                                  offsetof(struct aac_common, ac_printf);
                   1587:        ip->PrintfBufferSize = AAC_PRINTF_BUFSIZE;
                   1588:
                   1589:        /*
                   1590:         * The adapter assumes that pages are 4K in size, except on some
                   1591:         * broken firmware versions that do the page->byte conversion twice,
                   1592:         * therefore 'assuming' that this value is in 16MB units (2^24).
                   1593:         * Round up since the granularity is so high.
                   1594:         */
                   1595:        ip->HostPhysMemPages = ctob(physmem) / AAC_PAGE_SIZE;
                   1596:        if (sc->flags & AAC_FLAGS_BROKEN_MEMMAP) {
                   1597:                ip->HostPhysMemPages =
                   1598:                    (ip->HostPhysMemPages + AAC_PAGE_SIZE) / AAC_PAGE_SIZE;
                   1599:        }
                   1600:        ip->HostElapsedSeconds = time_uptime; /* reset later if invalid */
                   1601:
                   1602:        /*
                   1603:         * Initialise FIB queues.  Note that it appears that the layout of the
                   1604:         * indexes and the segmentation of the entries may be mandated by the
                   1605:         * adapter, which is only told about the base of the queue index fields.
                   1606:         *
                   1607:         * The initial values of the indices are assumed to inform the adapter
                   1608:         * of the sizes of the respective queues, and theoretically it could
                   1609:         * work out the entire layout of the queue structures from this.  We
                   1610:         * take the easy route and just lay this area out like everyone else
                   1611:         * does.
                   1612:         *
                   1613:         * The Linux driver uses a much more complex scheme whereby several
                   1614:         * header records are kept for each queue.  We use a couple of generic
                   1615:         * list manipulation functions which 'know' the size of each list by
                   1616:         * virtue of a table.
                   1617:         */
                   1618:        qoffset = offsetof(struct aac_common, ac_qbuf) + AAC_QUEUE_ALIGN;
                   1619:        qoffset &= ~(AAC_QUEUE_ALIGN - 1);
                   1620:        sc->aac_queues =
                   1621:            (struct aac_queue_table *)((caddr_t)sc->aac_common + qoffset);
                   1622:        ip->CommHeaderAddress = sc->aac_common_busaddr + qoffset;
                   1623:
                   1624:        sc->aac_queues->qt_qindex[AAC_HOST_NORM_CMD_QUEUE][AAC_PRODUCER_INDEX] =
                   1625:                AAC_HOST_NORM_CMD_ENTRIES;
                   1626:        sc->aac_queues->qt_qindex[AAC_HOST_NORM_CMD_QUEUE][AAC_CONSUMER_INDEX] =
                   1627:                AAC_HOST_NORM_CMD_ENTRIES;
                   1628:        sc->aac_queues->qt_qindex[AAC_HOST_HIGH_CMD_QUEUE][AAC_PRODUCER_INDEX] =
                   1629:                AAC_HOST_HIGH_CMD_ENTRIES;
                   1630:        sc->aac_queues->qt_qindex[AAC_HOST_HIGH_CMD_QUEUE][AAC_CONSUMER_INDEX] =
                   1631:                AAC_HOST_HIGH_CMD_ENTRIES;
                   1632:        sc->aac_queues->qt_qindex[AAC_ADAP_NORM_CMD_QUEUE][AAC_PRODUCER_INDEX] =
                   1633:                AAC_ADAP_NORM_CMD_ENTRIES;
                   1634:        sc->aac_queues->qt_qindex[AAC_ADAP_NORM_CMD_QUEUE][AAC_CONSUMER_INDEX] =
                   1635:                AAC_ADAP_NORM_CMD_ENTRIES;
                   1636:        sc->aac_queues->qt_qindex[AAC_ADAP_HIGH_CMD_QUEUE][AAC_PRODUCER_INDEX] =
                   1637:                AAC_ADAP_HIGH_CMD_ENTRIES;
                   1638:        sc->aac_queues->qt_qindex[AAC_ADAP_HIGH_CMD_QUEUE][AAC_CONSUMER_INDEX] =
                   1639:                AAC_ADAP_HIGH_CMD_ENTRIES;
                   1640:        sc->aac_queues->qt_qindex[AAC_HOST_NORM_RESP_QUEUE][AAC_PRODUCER_INDEX]=
                   1641:                AAC_HOST_NORM_RESP_ENTRIES;
                   1642:        sc->aac_queues->qt_qindex[AAC_HOST_NORM_RESP_QUEUE][AAC_CONSUMER_INDEX]=
                   1643:                AAC_HOST_NORM_RESP_ENTRIES;
                   1644:        sc->aac_queues->qt_qindex[AAC_HOST_HIGH_RESP_QUEUE][AAC_PRODUCER_INDEX]=
                   1645:                AAC_HOST_HIGH_RESP_ENTRIES;
                   1646:        sc->aac_queues->qt_qindex[AAC_HOST_HIGH_RESP_QUEUE][AAC_CONSUMER_INDEX]=
                   1647:                AAC_HOST_HIGH_RESP_ENTRIES;
                   1648:        sc->aac_queues->qt_qindex[AAC_ADAP_NORM_RESP_QUEUE][AAC_PRODUCER_INDEX]=
                   1649:                AAC_ADAP_NORM_RESP_ENTRIES;
                   1650:        sc->aac_queues->qt_qindex[AAC_ADAP_NORM_RESP_QUEUE][AAC_CONSUMER_INDEX]=
                   1651:                AAC_ADAP_NORM_RESP_ENTRIES;
                   1652:        sc->aac_queues->qt_qindex[AAC_ADAP_HIGH_RESP_QUEUE][AAC_PRODUCER_INDEX]=
                   1653:                AAC_ADAP_HIGH_RESP_ENTRIES;
                   1654:        sc->aac_queues->qt_qindex[AAC_ADAP_HIGH_RESP_QUEUE][AAC_CONSUMER_INDEX]=
                   1655:                AAC_ADAP_HIGH_RESP_ENTRIES;
                   1656:        sc->aac_qentries[AAC_HOST_NORM_CMD_QUEUE] =
                   1657:                &sc->aac_queues->qt_HostNormCmdQueue[0];
                   1658:        sc->aac_qentries[AAC_HOST_HIGH_CMD_QUEUE] =
                   1659:                &sc->aac_queues->qt_HostHighCmdQueue[0];
                   1660:        sc->aac_qentries[AAC_ADAP_NORM_CMD_QUEUE] =
                   1661:                &sc->aac_queues->qt_AdapNormCmdQueue[0];
                   1662:        sc->aac_qentries[AAC_ADAP_HIGH_CMD_QUEUE] =
                   1663:                &sc->aac_queues->qt_AdapHighCmdQueue[0];
                   1664:        sc->aac_qentries[AAC_HOST_NORM_RESP_QUEUE] =
                   1665:                &sc->aac_queues->qt_HostNormRespQueue[0];
                   1666:        sc->aac_qentries[AAC_HOST_HIGH_RESP_QUEUE] =
                   1667:                &sc->aac_queues->qt_HostHighRespQueue[0];
                   1668:        sc->aac_qentries[AAC_ADAP_NORM_RESP_QUEUE] =
                   1669:                &sc->aac_queues->qt_AdapNormRespQueue[0];
                   1670:        sc->aac_qentries[AAC_ADAP_HIGH_RESP_QUEUE] =
                   1671:                &sc->aac_queues->qt_AdapHighRespQueue[0];
                   1672:
                   1673:        /*
                   1674:         * Do controller-type-specific initialisation
                   1675:         */
                   1676:        switch (sc->aac_hwif) {
                   1677:        case AAC_HWIF_I960RX:
                   1678:                AAC_SETREG4(sc, AAC_RX_ODBR, ~0);
                   1679:                break;
                   1680:        case AAC_HWIF_RKT:
                   1681:                AAC_SETREG4(sc, AAC_RKT_ODBR, ~0);
                   1682:                break;
                   1683:        default:
                   1684:                break;
                   1685:        }
                   1686:
                   1687:        /*
                   1688:         * Give the init structure to the controller.
                   1689:         */
                   1690:        if (aac_sync_command(sc, AAC_MONKER_INITSTRUCT,
                   1691:                             sc->aac_common_busaddr +
                   1692:                             offsetof(struct aac_common, ac_init), 0, 0, 0,
                   1693:                             NULL)) {
                   1694:                printf("%s: error establishing init structure\n",
                   1695:                    sc->aac_dev.dv_xname);
                   1696:                error = EIO;
                   1697:                goto bail_out;
                   1698:        }
                   1699:
                   1700:        aac_describe_controller(sc);
                   1701:        aac_startup(sc);
                   1702:
                   1703:        return (0);
                   1704:
                   1705:  bail_out:
                   1706:        if (state > 3)
                   1707:                bus_dmamap_unload(sc->aac_dmat, sc->aac_common_map);
                   1708:        if (state > 2)
                   1709:                bus_dmamap_destroy(sc->aac_dmat, sc->aac_common_map);
                   1710:        if (state > 1)
                   1711:                bus_dmamem_unmap(sc->aac_dmat, (caddr_t)sc->aac_common,
                   1712:                    sizeof *sc->aac_common);
                   1713:        if (state > 0)
                   1714:                bus_dmamem_free(sc->aac_dmat, &seg, 1);
                   1715:
                   1716:  out:
                   1717:        return (error);
                   1718: }
                   1719:
                   1720: /*
                   1721:  * Send a synchronous command to the controller and wait for a result.
                   1722:  */
                   1723: int
                   1724: aac_sync_command(struct aac_softc *sc, u_int32_t command, u_int32_t arg0,
                   1725:                 u_int32_t arg1, u_int32_t arg2, u_int32_t arg3, u_int32_t *sp)
                   1726: {
                   1727: //     time_t then;
                   1728:        int i;
                   1729:        u_int32_t status;
                   1730:        u_int16_t reason;
                   1731:
                   1732:        /* populate the mailbox */
                   1733:        AAC_SET_MAILBOX(sc, command, arg0, arg1, arg2, arg3);
                   1734:
                   1735:        /* ensure the sync command doorbell flag is cleared */
                   1736:        AAC_CLEAR_ISTATUS(sc, AAC_DB_SYNC_COMMAND);
                   1737:
                   1738:        /* then set it to signal the adapter */
                   1739:        AAC_QNOTIFY(sc, AAC_DB_SYNC_COMMAND);
                   1740:
                   1741: #if 0
                   1742:        /* spin waiting for the command to complete */
                   1743:        then = time_uptime;
                   1744:        do {
                   1745:                if (time_uptime > (then + AAC_IMMEDIATE_TIMEOUT)) {
                   1746:                        AAC_DPRINTF(AAC_D_MISC, ("timed out"));
                   1747:                        return(EIO);
                   1748:                }
                   1749:        } while (!(AAC_GET_ISTATUS(sc) & AAC_DB_SYNC_COMMAND));
                   1750: #else
                   1751:        DELAY(AAC_SYNC_DELAY);
                   1752:
                   1753:        /* spin waiting for the command to complete */
                   1754:        for (i = 0; i < AAC_IMMEDIATE_TIMEOUT * 1000; i++) {
                   1755:                reason = AAC_GET_ISTATUS(sc);
                   1756:                if (reason & AAC_DB_SYNC_COMMAND)
                   1757:                        break;
                   1758:                reason = AAC_GET_ISTATUS(sc);
                   1759:                if (reason & AAC_DB_SYNC_COMMAND)
                   1760:                        break;
                   1761:                reason = AAC_GET_ISTATUS(sc);
                   1762:                if (reason & AAC_DB_SYNC_COMMAND)
                   1763:                        break;
                   1764:                DELAY(1000);
                   1765:        }
                   1766:        if (i == AAC_IMMEDIATE_TIMEOUT * 1000) {
                   1767:                printf("aac_sync_command: failed, reason=%#x\n", reason);
                   1768:                return (EIO);
                   1769:        }
                   1770: #endif
                   1771:
                   1772:        /* clear the completion flag */
                   1773:        AAC_CLEAR_ISTATUS(sc, AAC_DB_SYNC_COMMAND);
                   1774:
                   1775:        /* get the command status */
                   1776:        status = AAC_GET_MAILBOX(sc, 0);
                   1777:
                   1778:        if (sp != NULL)
                   1779:                *sp = status;
                   1780:
                   1781:        return(0);
                   1782: }
                   1783:
                   1784: /*
                   1785:  * Grab the sync fib area.
                   1786:  */
                   1787: int
                   1788: aac_alloc_sync_fib(struct aac_softc *sc, struct aac_fib **fib, int flags)
                   1789: {
                   1790:
                   1791:        /*
                   1792:         * If the force flag is set, the system is shutting down, or in
                   1793:         * trouble.  Ignore the mutex.
                   1794:         */
                   1795:        if (!(flags & AAC_SYNC_LOCK_FORCE))
                   1796:                AAC_LOCK_ACQUIRE(&sc->aac_sync_lock);
                   1797:
                   1798:        *fib = &sc->aac_common->ac_sync_fib;
                   1799:
                   1800:        return (1);
                   1801: }
                   1802:
                   1803: /*
                   1804:  * Release the sync fib area.
                   1805:  */
                   1806: void
                   1807: aac_release_sync_fib(struct aac_softc *sc)
                   1808: {
                   1809:        AAC_LOCK_RELEASE(&sc->aac_sync_lock);
                   1810: }
                   1811:
                   1812: /*
                   1813:  * Send a synchronous FIB to the controller and wait for a result.
                   1814:  */
                   1815: int
                   1816: aac_sync_fib(struct aac_softc *sc, u_int32_t command, u_int32_t xferstate,
                   1817:             struct aac_fib *fib, u_int16_t datasize)
                   1818: {
                   1819:
                   1820:        if (datasize > AAC_FIB_DATASIZE) {
                   1821:                printf("aac_sync_fib 1: datasize=%d AAC_FIB_DATASIZE %lu\n",
                   1822:                    datasize, AAC_FIB_DATASIZE);
                   1823:                return(EINVAL);
                   1824:        }
                   1825:
                   1826:        /*
                   1827:         * Set up the sync FIB
                   1828:         */
                   1829:        fib->Header.XferState = AAC_FIBSTATE_HOSTOWNED |
                   1830:                                AAC_FIBSTATE_INITIALISED |
                   1831:                                AAC_FIBSTATE_EMPTY;
                   1832:        fib->Header.XferState |= xferstate;
                   1833:        fib->Header.Command = command;
                   1834:        fib->Header.StructType = AAC_FIBTYPE_TFIB;
                   1835:        fib->Header.Size = sizeof(struct aac_fib) + datasize;
                   1836:        fib->Header.SenderSize = sizeof(struct aac_fib);
                   1837:        fib->Header.SenderFibAddress = 0;       /* Not needed */
                   1838:        fib->Header.ReceiverFibAddress = sc->aac_common_busaddr +
                   1839:                                         offsetof(struct aac_common,
                   1840:                                                  ac_sync_fib);
                   1841:
                   1842:        /*
                   1843:         * Give the FIB to the controller, wait for a response.
                   1844:         */
                   1845:        if (aac_sync_command(sc, AAC_MONKER_SYNCFIB,
                   1846:                             fib->Header.ReceiverFibAddress, 0, 0, 0, NULL)) {
                   1847:                AAC_DPRINTF(AAC_D_IO, ("%s: aac_sync_fib: IO error\n",
                   1848:                                       sc->aac_dev.dv_xname));
                   1849:                printf("aac_sync_fib 2\n");
                   1850:                return(EIO);
                   1851:        }
                   1852:
                   1853:        return (0);
                   1854: }
                   1855:
                   1856: /*****************************************************************************
                   1857:  * Adapter-space FIB queue manipulation
                   1858:  *
                   1859:  * Note that the queue implementation here is a little funky; neither the PI or
                   1860:  * CI will ever be zero.  This behaviour is a controller feature.
                   1861:  */
                   1862: static struct {
                   1863:        int size;
                   1864:        int notify;
                   1865: } aac_qinfo[] = {
                   1866:        { AAC_HOST_NORM_CMD_ENTRIES, AAC_DB_COMMAND_NOT_FULL },
                   1867:        { AAC_HOST_HIGH_CMD_ENTRIES, 0 },
                   1868:        { AAC_ADAP_NORM_CMD_ENTRIES, AAC_DB_COMMAND_READY },
                   1869:        { AAC_ADAP_HIGH_CMD_ENTRIES, 0 },
                   1870:        { AAC_HOST_NORM_RESP_ENTRIES, AAC_DB_RESPONSE_NOT_FULL },
                   1871:        { AAC_HOST_HIGH_RESP_ENTRIES, 0 },
                   1872:        { AAC_ADAP_NORM_RESP_ENTRIES, AAC_DB_RESPONSE_READY },
                   1873:        { AAC_ADAP_HIGH_RESP_ENTRIES, 0 }
                   1874: };
                   1875:
                   1876: /*
                   1877:  * Atomically insert an entry into the nominated queue, returns 0 on success
                   1878:  * or EBUSY if the queue is full.
                   1879:  *
                   1880:  * Note: it would be more efficient to defer notifying the controller in
                   1881:  *      the case where we may be inserting several entries in rapid
                   1882:  *      succession, but implementing this usefully may be difficult
                   1883:  *      (it would involve a separate queue/notify interface).
                   1884:  */
                   1885: int
                   1886: aac_enqueue_fib(struct aac_softc *sc, int queue, struct aac_command *cm)
                   1887: {
                   1888:        u_int32_t pi, ci;
                   1889:        int error;
                   1890:        u_int32_t fib_size;
                   1891:        u_int32_t fib_addr;
                   1892:
                   1893:        fib_size = cm->cm_fib->Header.Size;
                   1894:        fib_addr = cm->cm_fib->Header.ReceiverFibAddress;
                   1895:
                   1896:        /* get the producer/consumer indices */
                   1897:        pi = sc->aac_queues->qt_qindex[queue][AAC_PRODUCER_INDEX];
                   1898:        ci = sc->aac_queues->qt_qindex[queue][AAC_CONSUMER_INDEX];
                   1899:
                   1900:        /* wrap the queue? */
                   1901:        if (pi >= aac_qinfo[queue].size)
                   1902:                pi = 0;
                   1903:
                   1904:        /* check for queue full */
                   1905:        if ((pi + 1) == ci) {
                   1906:                error = EBUSY;
                   1907:                goto out;
                   1908:        }
                   1909:
                   1910:        /* populate queue entry */
                   1911:        (sc->aac_qentries[queue] + pi)->aq_fib_size = fib_size;
                   1912:        (sc->aac_qentries[queue] + pi)->aq_fib_addr = fib_addr;
                   1913:
                   1914:        /* update producer index */
                   1915:        sc->aac_queues->qt_qindex[queue][AAC_PRODUCER_INDEX] = pi + 1;
                   1916:
                   1917:        /*
                   1918:         * To avoid a race with its completion interrupt, place this command on
                   1919:         * the busy queue prior to advertising it to the controller.
                   1920:         */
                   1921:        aac_enqueue_busy(cm);
                   1922:
                   1923:        /* notify the adapter if we know how */
                   1924:        if (aac_qinfo[queue].notify != 0)
                   1925:                AAC_QNOTIFY(sc, aac_qinfo[queue].notify);
                   1926:
                   1927:        error = 0;
                   1928:
                   1929: out:
                   1930:        return (error);
                   1931: }
                   1932:
                   1933: /*
                   1934:  * Atomically remove one entry from the nominated queue, returns 0 on success
                   1935:  * or ENOENT if the queue is empty.
                   1936:  */
                   1937: int
                   1938: aac_dequeue_fib(struct aac_softc *sc, int queue, u_int32_t *fib_size,
                   1939:                struct aac_fib **fib_addr)
                   1940: {
                   1941:        u_int32_t pi, ci;
                   1942:        u_int32_t fib_index;
                   1943:        int notify;
                   1944:        int error;
                   1945:
                   1946:        /* get the producer/consumer indices */
                   1947:        pi = sc->aac_queues->qt_qindex[queue][AAC_PRODUCER_INDEX];
                   1948:        ci = sc->aac_queues->qt_qindex[queue][AAC_CONSUMER_INDEX];
                   1949:
                   1950:        /* check for queue empty */
                   1951:        if (ci == pi) {
                   1952:                error = ENOENT;
                   1953:                goto out;
                   1954:        }
                   1955:
                   1956:        /* wrap the pi so the following test works */
                   1957:        if (pi >= aac_qinfo[queue].size)
                   1958:                pi = 0;
                   1959:
                   1960:        notify = 0;
                   1961:        if (ci == pi + 1)
                   1962:                notify++;
                   1963:
                   1964:        /* wrap the queue? */
                   1965:        if (ci >= aac_qinfo[queue].size)
                   1966:                ci = 0;
                   1967:
                   1968:        /* fetch the entry */
                   1969:        *fib_size = (sc->aac_qentries[queue] + ci)->aq_fib_size;
                   1970:
                   1971:        switch (queue) {
                   1972:        case AAC_HOST_NORM_CMD_QUEUE:
                   1973:        case AAC_HOST_HIGH_CMD_QUEUE:
                   1974:                /*
                   1975:                 * The aq_fib_addr is only 32 bits wide so it can't be counted
                   1976:                 * on to hold an address.  For AIF's, the adapter assumes
                   1977:                 * that it's giving us an address into the array of AIF fibs.
                   1978:                 * Therefore, we have to convert it to an index.
                   1979:                 */
                   1980:                fib_index = (sc->aac_qentries[queue] + ci)->aq_fib_addr /
                   1981:                        sizeof(struct aac_fib);
                   1982:                *fib_addr = &sc->aac_common->ac_fibs[fib_index];
                   1983:                break;
                   1984:
                   1985:        case AAC_HOST_NORM_RESP_QUEUE:
                   1986:        case AAC_HOST_HIGH_RESP_QUEUE:
                   1987:        {
                   1988:                struct aac_command *cm;
                   1989:
                   1990:                /*
                   1991:                 * As above, an index is used instead of an actual address.
                   1992:                 * Gotta shift the index to account for the fast response
                   1993:                 * bit.  No other correction is needed since this value was
                   1994:                 * originally provided by the driver via the SenderFibAddress
                   1995:                 * field.
                   1996:                 */
                   1997:                fib_index = (sc->aac_qentries[queue] + ci)->aq_fib_addr;
                   1998:                cm = sc->aac_commands + (fib_index >> 1);
                   1999:                *fib_addr = cm->cm_fib;
                   2000:
                   2001:                /*
                   2002:                 * Is this a fast response? If it is, update the fib fields in
                   2003:                 * local memory since the whole fib isn't DMA'd back up.
                   2004:                 */
                   2005:                if (fib_index & 0x01) {
                   2006:                        (*fib_addr)->Header.XferState |= AAC_FIBSTATE_DONEADAP;
                   2007:                        *((u_int32_t*)((*fib_addr)->data)) = AAC_ERROR_NORMAL;
                   2008:                }
                   2009:                break;
                   2010:        }
                   2011:        default:
                   2012:                panic("Invalid queue in aac_dequeue_fib()");
                   2013:                break;
                   2014:        }
                   2015:
                   2016:
                   2017:        /* update consumer index */
                   2018:        sc->aac_queues->qt_qindex[queue][AAC_CONSUMER_INDEX] = ci + 1;
                   2019:
                   2020:        /* if we have made the queue un-full, notify the adapter */
                   2021:        if (notify && (aac_qinfo[queue].notify != 0))
                   2022:                AAC_QNOTIFY(sc, aac_qinfo[queue].notify);
                   2023:        error = 0;
                   2024:
                   2025: out:
                   2026:        return (error);
                   2027: }
                   2028:
                   2029: /*
                   2030:  * Put our response to an Adapter Initialed Fib on the response queue
                   2031:  */
                   2032: int
                   2033: aac_enqueue_response(struct aac_softc *sc, int queue, struct aac_fib *fib)
                   2034: {
                   2035:        u_int32_t pi, ci;
                   2036:        int error;
                   2037:        u_int32_t fib_size;
                   2038:        u_int32_t fib_addr;
                   2039:
                   2040:        /* Tell the adapter where the FIB is */
                   2041:        fib_size = fib->Header.Size;
                   2042:        fib_addr = fib->Header.SenderFibAddress;
                   2043:        fib->Header.ReceiverFibAddress = fib_addr;
                   2044:
                   2045:        /* get the producer/consumer indices */
                   2046:        pi = sc->aac_queues->qt_qindex[queue][AAC_PRODUCER_INDEX];
                   2047:        ci = sc->aac_queues->qt_qindex[queue][AAC_CONSUMER_INDEX];
                   2048:
                   2049:        /* wrap the queue? */
                   2050:        if (pi >= aac_qinfo[queue].size)
                   2051:                pi = 0;
                   2052:
                   2053:        /* check for queue full */
                   2054:        if ((pi + 1) == ci) {
                   2055:                error = EBUSY;
                   2056:                goto out;
                   2057:        }
                   2058:
                   2059:        /* populate queue entry */
                   2060:        (sc->aac_qentries[queue] + pi)->aq_fib_size = fib_size;
                   2061:        (sc->aac_qentries[queue] + pi)->aq_fib_addr = fib_addr;
                   2062:
                   2063:        /* update producer index */
                   2064:        sc->aac_queues->qt_qindex[queue][AAC_PRODUCER_INDEX] = pi + 1;
                   2065:
                   2066:        /* notify the adapter if we know how */
                   2067:        if (aac_qinfo[queue].notify != 0)
                   2068:                AAC_QNOTIFY(sc, aac_qinfo[queue].notify);
                   2069:
                   2070:        error = 0;
                   2071:
                   2072: out:
                   2073:        return(error);
                   2074: }
                   2075:
                   2076: void
                   2077: aac_command_timeout(struct aac_command *cm)
                   2078: {
                   2079:        struct aac_softc *sc = cm->cm_sc;
                   2080:
                   2081:        printf("%s: COMMAND %p (flags=%#x) TIMEOUT AFTER %d SECONDS\n",
                   2082:               sc->aac_dev.dv_xname, cm, cm->cm_flags,
                   2083:               (int)(time_uptime - cm->cm_timestamp));
                   2084:
                   2085:        if (cm->cm_flags & AAC_CMD_TIMEDOUT)
                   2086:                return;
                   2087:
                   2088:        cm->cm_flags |= AAC_CMD_TIMEDOUT;
                   2089:
                   2090:        AAC_PRINT_FIB(sc, cm->cm_fib);
                   2091:
                   2092:        if (cm->cm_flags & AAC_ON_AACQ_BIO) {
                   2093:                struct scsi_xfer *xs = cm->cm_private;
                   2094:                int s = splbio();
                   2095:                xs->error = XS_DRIVER_STUFFUP;
                   2096:                xs->flags |= ITSDONE;
                   2097:                scsi_done(xs);
                   2098:                splx(s);
                   2099:
                   2100:                aac_remove_bio(cm);
                   2101:                aac_unmap_command(cm);
                   2102:        }
                   2103: }
                   2104:
                   2105: void
                   2106: aac_timeout(struct aac_softc *sc)
                   2107: {
                   2108:        struct aac_command *cm;
                   2109:        time_t deadline;
                   2110:
                   2111:        /*
                   2112:         * Traverse the busy command list and timeout any commands
                   2113:         * that are past their deadline.
                   2114:         */
                   2115:        deadline = time_uptime - AAC_CMD_TIMEOUT;
                   2116:        TAILQ_FOREACH(cm, &sc->aac_busy, cm_link) {
                   2117:                if (cm->cm_timestamp  < deadline)
                   2118:                        aac_command_timeout(cm);
                   2119:        }
                   2120: }
                   2121:
                   2122: /*
                   2123:  * Interface Function Vectors
                   2124:  */
                   2125:
                   2126: /*
                   2127:  * Read the current firmware status word.
                   2128:  */
                   2129: int
                   2130: aac_sa_get_fwstatus(struct aac_softc *sc)
                   2131: {
                   2132:        return (AAC_GETREG4(sc, AAC_SA_FWSTATUS));
                   2133: }
                   2134:
                   2135: int
                   2136: aac_rx_get_fwstatus(struct aac_softc *sc)
                   2137: {
                   2138:        return (AAC_GETREG4(sc, AAC_RX_FWSTATUS));
                   2139: }
                   2140:
                   2141: int
                   2142: aac_fa_get_fwstatus(struct aac_softc *sc)
                   2143: {
                   2144:        return (AAC_GETREG4(sc, AAC_FA_FWSTATUS));
                   2145: }
                   2146:
                   2147: int
                   2148: aac_rkt_get_fwstatus(struct aac_softc *sc)
                   2149: {
                   2150:        return(AAC_GETREG4(sc, AAC_RKT_FWSTATUS));
                   2151: }
                   2152:
                   2153: /*
                   2154:  * Notify the controller of a change in a given queue
                   2155:  */
                   2156:
                   2157: void
                   2158: aac_sa_qnotify(struct aac_softc *sc, int qbit)
                   2159: {
                   2160:        AAC_SETREG2(sc, AAC_SA_DOORBELL1_SET, qbit);
                   2161: }
                   2162:
                   2163: void
                   2164: aac_rx_qnotify(struct aac_softc *sc, int qbit)
                   2165: {
                   2166:        AAC_SETREG4(sc, AAC_RX_IDBR, qbit);
                   2167: }
                   2168:
                   2169: void
                   2170: aac_fa_qnotify(struct aac_softc *sc, int qbit)
                   2171: {
                   2172:        AAC_SETREG2(sc, AAC_FA_DOORBELL1, qbit);
                   2173:        AAC_FA_HACK(sc);
                   2174: }
                   2175:
                   2176: void
                   2177: aac_rkt_qnotify(struct aac_softc *sc, int qbit)
                   2178: {
                   2179:        AAC_SETREG4(sc, AAC_RKT_IDBR, qbit);
                   2180: }
                   2181:
                   2182: /*
                   2183:  * Get the interrupt reason bits
                   2184:  */
                   2185: int
                   2186: aac_sa_get_istatus(struct aac_softc *sc)
                   2187: {
                   2188:        return (AAC_GETREG2(sc, AAC_SA_DOORBELL0));
                   2189: }
                   2190:
                   2191: int
                   2192: aac_rx_get_istatus(struct aac_softc *sc)
                   2193: {
                   2194:        return (AAC_GETREG4(sc, AAC_RX_ODBR));
                   2195: }
                   2196:
                   2197: int
                   2198: aac_fa_get_istatus(struct aac_softc *sc)
                   2199: {
                   2200:        return (AAC_GETREG2(sc, AAC_FA_DOORBELL0));
                   2201: }
                   2202:
                   2203: int
                   2204: aac_rkt_get_istatus(struct aac_softc *sc)
                   2205: {
                   2206:        return(AAC_GETREG4(sc, AAC_RKT_ODBR));
                   2207: }
                   2208:
                   2209: /*
                   2210:  * Clear some interrupt reason bits
                   2211:  */
                   2212: void
                   2213: aac_sa_clear_istatus(struct aac_softc *sc, int mask)
                   2214: {
                   2215:        AAC_SETREG2(sc, AAC_SA_DOORBELL0_CLEAR, mask);
                   2216: }
                   2217:
                   2218: void
                   2219: aac_rx_clear_istatus(struct aac_softc *sc, int mask)
                   2220: {
                   2221:        AAC_SETREG4(sc, AAC_RX_ODBR, mask);
                   2222: }
                   2223:
                   2224: void
                   2225: aac_fa_clear_istatus(struct aac_softc *sc, int mask)
                   2226: {
                   2227:        AAC_SETREG2(sc, AAC_FA_DOORBELL0_CLEAR, mask);
                   2228:        AAC_FA_HACK(sc);
                   2229: }
                   2230:
                   2231: void
                   2232: aac_rkt_clear_istatus(struct aac_softc *sc, int mask)
                   2233: {
                   2234:        AAC_SETREG4(sc, AAC_RKT_ODBR, mask);
                   2235: }
                   2236:
                   2237: /*
                   2238:  * Populate the mailbox and set the command word
                   2239:  */
                   2240: void
                   2241: aac_sa_set_mailbox(struct aac_softc *sc, u_int32_t command, u_int32_t arg0,
                   2242:                   u_int32_t arg1, u_int32_t arg2, u_int32_t arg3)
                   2243: {
                   2244:        AAC_SETREG4(sc, AAC_SA_MAILBOX, command);
                   2245:        AAC_SETREG4(sc, AAC_SA_MAILBOX + 4, arg0);
                   2246:        AAC_SETREG4(sc, AAC_SA_MAILBOX + 8, arg1);
                   2247:        AAC_SETREG4(sc, AAC_SA_MAILBOX + 12, arg2);
                   2248:        AAC_SETREG4(sc, AAC_SA_MAILBOX + 16, arg3);
                   2249: }
                   2250:
                   2251: void
                   2252: aac_rx_set_mailbox(struct aac_softc *sc, u_int32_t command, u_int32_t arg0,
                   2253:                   u_int32_t arg1, u_int32_t arg2, u_int32_t arg3)
                   2254: {
                   2255:        AAC_SETREG4(sc, AAC_RX_MAILBOX, command);
                   2256:        AAC_SETREG4(sc, AAC_RX_MAILBOX + 4, arg0);
                   2257:        AAC_SETREG4(sc, AAC_RX_MAILBOX + 8, arg1);
                   2258:        AAC_SETREG4(sc, AAC_RX_MAILBOX + 12, arg2);
                   2259:        AAC_SETREG4(sc, AAC_RX_MAILBOX + 16, arg3);
                   2260: }
                   2261:
                   2262: void
                   2263: aac_fa_set_mailbox(struct aac_softc *sc, u_int32_t command, u_int32_t arg0,
                   2264:                   u_int32_t arg1, u_int32_t arg2, u_int32_t arg3)
                   2265: {
                   2266:        AAC_SETREG4(sc, AAC_FA_MAILBOX, command);
                   2267:        AAC_FA_HACK(sc);
                   2268:        AAC_SETREG4(sc, AAC_FA_MAILBOX + 4, arg0);
                   2269:        AAC_FA_HACK(sc);
                   2270:        AAC_SETREG4(sc, AAC_FA_MAILBOX + 8, arg1);
                   2271:        AAC_FA_HACK(sc);
                   2272:        AAC_SETREG4(sc, AAC_FA_MAILBOX + 12, arg2);
                   2273:        AAC_FA_HACK(sc);
                   2274:        AAC_SETREG4(sc, AAC_FA_MAILBOX + 16, arg3);
                   2275:        AAC_FA_HACK(sc);
                   2276: }
                   2277:
                   2278: void
                   2279: aac_rkt_set_mailbox(struct aac_softc *sc, u_int32_t command, u_int32_t arg0,
                   2280:                    u_int32_t arg1, u_int32_t arg2, u_int32_t arg3)
                   2281: {
                   2282:        AAC_SETREG4(sc, AAC_RKT_MAILBOX, command);
                   2283:        AAC_SETREG4(sc, AAC_RKT_MAILBOX + 4, arg0);
                   2284:        AAC_SETREG4(sc, AAC_RKT_MAILBOX + 8, arg1);
                   2285:        AAC_SETREG4(sc, AAC_RKT_MAILBOX + 12, arg2);
                   2286:        AAC_SETREG4(sc, AAC_RKT_MAILBOX + 16, arg3);
                   2287: }
                   2288:
                   2289: /*
                   2290:  * Fetch the immediate command status word
                   2291:  */
                   2292: int
                   2293: aac_sa_get_mailbox(struct aac_softc *sc, int mb)
                   2294: {
                   2295:        return (AAC_GETREG4(sc, AAC_SA_MAILBOX + (mb * 4)));
                   2296: }
                   2297:
                   2298: int
                   2299: aac_rx_get_mailbox(struct aac_softc *sc, int mb)
                   2300: {
                   2301:        return (AAC_GETREG4(sc, AAC_RX_MAILBOX + (mb * 4)));
                   2302: }
                   2303:
                   2304: int
                   2305: aac_fa_get_mailbox(struct aac_softc *sc, int mb)
                   2306: {
                   2307:        return (AAC_GETREG4(sc, AAC_FA_MAILBOX + (mb * 4)));
                   2308: }
                   2309:
                   2310: int
                   2311: aac_rkt_get_mailbox(struct aac_softc *sc, int mb)
                   2312: {
                   2313:        return(AAC_GETREG4(sc, AAC_RKT_MAILBOX + (mb * 4)));
                   2314: }
                   2315:
                   2316: /*
                   2317:  * Set/clear interrupt masks
                   2318:  */
                   2319: void
                   2320: aac_sa_set_interrupts(struct aac_softc *sc, int enable)
                   2321: {
                   2322:        AAC_DPRINTF(AAC_D_INTR, ("%s: %sable interrupts\n",
                   2323:                                 sc->aac_dev.dv_xname, enable ? "en" : "dis"));
                   2324:
                   2325:        if (enable)
                   2326:                AAC_SETREG2((sc), AAC_SA_MASK0_CLEAR, AAC_DB_INTERRUPTS);
                   2327:        else
                   2328:                AAC_SETREG2((sc), AAC_SA_MASK0_SET, ~0);
                   2329: }
                   2330:
                   2331: void
                   2332: aac_rx_set_interrupts(struct aac_softc *sc, int enable)
                   2333: {
                   2334:        AAC_DPRINTF(AAC_D_INTR, ("%s: %sable interrupts",
                   2335:                                 sc->aac_dev.dv_xname, enable ? "en" : "dis"));
                   2336:
                   2337:        if (enable)
                   2338:                AAC_SETREG4(sc, AAC_RX_OIMR, ~AAC_DB_INTERRUPTS);
                   2339:        else
                   2340:                AAC_SETREG4(sc, AAC_RX_OIMR, ~0);
                   2341: }
                   2342:
                   2343: void
                   2344: aac_fa_set_interrupts(struct aac_softc *sc, int enable)
                   2345: {
                   2346:        AAC_DPRINTF(AAC_D_INTR, ("%s: %sable interrupts",
                   2347:                                 sc->aac_dev.dv_xname, enable ? "en" : "dis"));
                   2348:
                   2349:        if (enable) {
                   2350:                AAC_SETREG2((sc), AAC_FA_MASK0_CLEAR, AAC_DB_INTERRUPTS);
                   2351:                AAC_FA_HACK(sc);
                   2352:        } else {
                   2353:                AAC_SETREG2((sc), AAC_FA_MASK0, ~0);
                   2354:                AAC_FA_HACK(sc);
                   2355:        }
                   2356: }
                   2357:
                   2358: void
                   2359: aac_rkt_set_interrupts(struct aac_softc *sc, int enable)
                   2360: {
                   2361:        AAC_DPRINTF(AAC_D_INTR, ("%s: %sable interrupts",
                   2362:                                 sc->aac_dev.dv_xname, enable ? "en" : "dis"));
                   2363:
                   2364:        if (enable)
                   2365:                AAC_SETREG4(sc, AAC_RKT_OIMR, ~AAC_DB_INTERRUPTS);
                   2366:        else
                   2367:                AAC_SETREG4(sc, AAC_RKT_OIMR, ~0);
                   2368: }
                   2369:
                   2370: void
                   2371: aac_eval_mapping(size, cyls, heads, secs)
                   2372:        u_int32_t size;
                   2373:        int *cyls, *heads, *secs;
                   2374: {
                   2375:        *cyls = size / AAC_HEADS / AAC_SECS;
                   2376:        if (*cyls < AAC_MAXCYLS) {
                   2377:                *heads = AAC_HEADS;
                   2378:                *secs = AAC_SECS;
                   2379:        } else {
                   2380:                /* Too high for 64 * 32 */
                   2381:                *cyls = size / AAC_MEDHEADS / AAC_MEDSECS;
                   2382:                if (*cyls < AAC_MAXCYLS) {
                   2383:                        *heads = AAC_MEDHEADS;
                   2384:                        *secs = AAC_MEDSECS;
                   2385:                } else {
                   2386:                        /* Too high for 127 * 63 */
                   2387:                        *cyls = size / AAC_BIGHEADS / AAC_BIGSECS;
                   2388:                        *heads = AAC_BIGHEADS;
                   2389:                        *secs = AAC_BIGSECS;
                   2390:                }
                   2391:        }
                   2392: }
                   2393:
                   2394: void
                   2395: aac_copy_internal_data(struct scsi_xfer *xs, u_int8_t *data, size_t size)
                   2396: {
                   2397:        struct aac_softc *sc = xs->sc_link->adapter_softc;
                   2398:        size_t copy_cnt;
                   2399:
                   2400:        AAC_DPRINTF(AAC_D_MISC, ("%s: aac_copy_internal_data\n",
                   2401:                                 sc->aac_dev.dv_xname));
                   2402:
                   2403:        if (!xs->datalen)
                   2404:                printf("%s: uio move not yet supported\n",
                   2405:                       sc->aac_dev.dv_xname);
                   2406:        else {
                   2407:                copy_cnt = MIN(size, xs->datalen);
                   2408:                bcopy(data, xs->data, copy_cnt);
                   2409:        }
                   2410: }
                   2411:
                   2412: /* Emulated SCSI operation on cache device */
                   2413: void
                   2414: aac_internal_cache_cmd(struct scsi_xfer *xs)
                   2415: {
                   2416:        struct scsi_link *link = xs->sc_link;
                   2417:        struct aac_softc *sc = link->adapter_softc;
                   2418:        struct scsi_inquiry_data inq;
                   2419:        struct scsi_sense_data sd;
                   2420:        struct scsi_read_cap_data rcd;
                   2421:        u_int8_t target = link->target;
                   2422:
                   2423:        AAC_DPRINTF(AAC_D_CMD, ("aac_internal_cache_cmd: ",
                   2424:                                sc->aac_dev.dv_xname));
                   2425:
                   2426:        switch (xs->cmd->opcode) {
                   2427:        case TEST_UNIT_READY:
                   2428:        case START_STOP:
                   2429: #if 0
                   2430:        case VERIFY:
                   2431: #endif
                   2432:                AAC_DPRINTF(AAC_D_CMD, ("opc %#x tgt %d ", xs->cmd->opcode,
                   2433:                    target));
                   2434:                break;
                   2435:
                   2436:        case REQUEST_SENSE:
                   2437:                AAC_DPRINTF(AAC_D_CMD, ("REQUEST SENSE tgt %d ", target));
                   2438:                bzero(&sd, sizeof sd);
                   2439:                sd.error_code = 0x70;
                   2440:                sd.segment = 0;
                   2441:                sd.flags = SKEY_NO_SENSE;
                   2442:                aac_enc32(sd.info, 0);
                   2443:                sd.extra_len = 0;
                   2444:                aac_copy_internal_data(xs, (u_int8_t *)&sd, sizeof sd);
                   2445:                break;
                   2446:
                   2447:        case INQUIRY:
                   2448:                AAC_DPRINTF(AAC_D_CMD, ("INQUIRY tgt %d devtype %x ", target,
                   2449:                    sc->aac_hdr[target].hd_devtype));
                   2450:                bzero(&inq, sizeof inq);
                   2451:                /* XXX How do we detect removable/CD-ROM devices?  */
                   2452:                inq.device = T_DIRECT;
                   2453:                inq.dev_qual2 = 0;
                   2454:                inq.version = 2;
                   2455:                inq.response_format = 2;
                   2456:                inq.additional_length = 32;
                   2457:                strlcpy(inq.vendor, "Adaptec", sizeof inq.vendor);
                   2458:                snprintf(inq.product, sizeof inq.product, "Container #%02d",
                   2459:                    target);
                   2460:                strlcpy(inq.revision, "   ", sizeof inq.revision);
                   2461:                aac_copy_internal_data(xs, (u_int8_t *)&inq, sizeof inq);
                   2462:                break;
                   2463:
                   2464:        case READ_CAPACITY:
                   2465:                AAC_DPRINTF(AAC_D_CMD, ("READ CAPACITY tgt %d ", target));
                   2466:                bzero(&rcd, sizeof rcd);
                   2467:                _lto4b(sc->aac_hdr[target].hd_size - 1, rcd.addr);
                   2468:                _lto4b(AAC_BLOCK_SIZE, rcd.length);
                   2469:                aac_copy_internal_data(xs, (u_int8_t *)&rcd, sizeof rcd);
                   2470:                break;
                   2471:
                   2472:        default:
                   2473:                AAC_DPRINTF(AAC_D_CMD, ("\n"));
                   2474:                printf("aac_internal_cache_cmd got bad opcode: %#x\n",
                   2475:                    xs->cmd->opcode);
                   2476:                xs->error = XS_DRIVER_STUFFUP;
                   2477:                return;
                   2478:        }
                   2479:
                   2480:        xs->error = XS_NOERROR;
                   2481: }
                   2482:
                   2483: void
                   2484: aacminphys(struct buf *bp)
                   2485: {
                   2486: #if 0
                   2487:        u_int8_t *buf = bp->b_data;
                   2488:        paddr_t pa;
                   2489:        long off;
                   2490: #endif
                   2491:
                   2492:        AAC_DPRINTF(AAC_D_MISC, ("aacminphys(0x%x)\n", bp));
                   2493:
                   2494: #if 0  /* As this is way more than MAXPHYS it's really not necessary. */
                   2495:        if (bp->b_bcount > ((AAC_MAXOFFSETS - 1) * PAGE_SIZE))
                   2496:                bp->b_bcount = ((AAC_MAXOFFSETS - 1) * PAGE_SIZE);
                   2497: #endif
                   2498:
                   2499: #if 0
                   2500:        for (off = PAGE_SIZE, pa = vtophys(buf); off < bp->b_bcount;
                   2501:            off += PAGE_SIZE)
                   2502:                if (pa + off != vtophys(buf + off)) {
                   2503:                        bp->b_bcount = off;
                   2504:                        break;
                   2505:                }
                   2506: #endif
                   2507:        minphys(bp);
                   2508: }
                   2509:
                   2510: int
                   2511: aac_raw_scsi_cmd(struct scsi_xfer *xs)
                   2512: {
                   2513: #ifdef AAC_DEBUG
                   2514:        struct aac_softc *sc = xs->sc_link->adapter_softc;
                   2515: #endif
                   2516:        AAC_DPRINTF(AAC_D_CMD, ("%s: aac_raw_scsi_cmd\n",
                   2517:                                sc->aac_dev.dv_xname));
                   2518:
                   2519:        /* XXX Not yet implemented */
                   2520:        xs->error = XS_DRIVER_STUFFUP;
                   2521:        return (COMPLETE);
                   2522: }
                   2523:
                   2524: int
                   2525: aac_scsi_cmd(struct scsi_xfer *xs)
                   2526: {
                   2527:        struct scsi_link *link = xs->sc_link;
                   2528:        struct aac_softc *sc = link->adapter_softc;
                   2529:        u_int8_t target = link->target;
                   2530:        struct aac_command *cm;
                   2531:        u_int32_t blockno, blockcnt;
                   2532:        struct scsi_rw *rw;
                   2533:        struct scsi_rw_big *rwb;
                   2534:        int retval = SUCCESSFULLY_QUEUED;
                   2535:        int s = splbio();
                   2536:
                   2537:        xs->error = XS_NOERROR;
                   2538:
                   2539:        if (target >= AAC_MAX_CONTAINERS || !sc->aac_hdr[target].hd_present ||
                   2540:            link->lun != 0) {
                   2541:                /*
                   2542:                 * XXX Should be XS_SENSE but that would require setting up a
                   2543:                 * faked sense too.
                   2544:                 */
                   2545:                xs->error = XS_DRIVER_STUFFUP;
                   2546:                xs->flags |= ITSDONE;
                   2547:                scsi_done(xs);
                   2548:                splx(s);
                   2549:                return (COMPLETE);
                   2550:        }
                   2551:
                   2552:        AAC_DPRINTF(AAC_D_CMD, ("%s: aac_scsi_cmd: ", sc->aac_dev.dv_xname));
                   2553:
                   2554:        xs->error = XS_NOERROR;
                   2555:        cm = NULL;
                   2556:        link = xs->sc_link;
                   2557:        target = link->target;
                   2558:
                   2559:        switch (xs->cmd->opcode) {
                   2560:        case TEST_UNIT_READY:
                   2561:        case REQUEST_SENSE:
                   2562:        case INQUIRY:
                   2563:        case START_STOP:
                   2564:        case READ_CAPACITY:
                   2565: #if 0
                   2566:        case VERIFY:
                   2567: #endif
                   2568:                aac_internal_cache_cmd(xs);
                   2569:                xs->flags |= ITSDONE;
                   2570:                scsi_done(xs);
                   2571:                goto ready;
                   2572:
                   2573:        case PREVENT_ALLOW:
                   2574:                AAC_DPRINTF(AAC_D_CMD, ("PREVENT/ALLOW "));
                   2575:                /* XXX Not yet implemented */
                   2576:                xs->error = XS_NOERROR;
                   2577:                xs->flags |= ITSDONE;
                   2578:                scsi_done(xs);
                   2579:                goto ready;
                   2580:
                   2581:        case SYNCHRONIZE_CACHE:
                   2582:                AAC_DPRINTF(AAC_D_CMD, ("SYNCHRONIZE_CACHE "));
                   2583:                /* XXX Not yet implemented */
                   2584:                xs->error = XS_NOERROR;
                   2585:                xs->flags |= ITSDONE;
                   2586:                scsi_done(xs);
                   2587:                goto ready;
                   2588:
                   2589:        default:
                   2590:                AAC_DPRINTF(AAC_D_CMD, ("unknown opc %#x ", xs->cmd->opcode));
                   2591:                /* XXX Not yet implemented */
                   2592:                xs->error = XS_DRIVER_STUFFUP;
                   2593:                xs->flags |= ITSDONE;
                   2594:                scsi_done(xs);
                   2595:                goto ready;
                   2596:
                   2597:        case READ_COMMAND:
                   2598:        case READ_BIG:
                   2599:        case WRITE_COMMAND:
                   2600:        case WRITE_BIG:
                   2601:                AAC_DPRINTF(AAC_D_CMD, ("rw opc %#x ", xs->cmd->opcode));
                   2602:
                   2603:                /* A read or write operation. */
                   2604:                if (xs->cmdlen == 6) {
                   2605:                        rw = (struct scsi_rw *)xs->cmd;
                   2606:                        blockno = _3btol(rw->addr) &
                   2607:                                (SRW_TOPADDR << 16 | 0xffff);
                   2608:                        blockcnt = rw->length ? rw->length : 0x100;
                   2609:                } else {
                   2610:                        rwb = (struct scsi_rw_big *)xs->cmd;
                   2611:                        blockno = _4btol(rwb->addr);
                   2612:                        blockcnt = _2btol(rwb->length);
                   2613:                }
                   2614:
                   2615:                AAC_DPRINTF(AAC_D_CMD, ("blkno=%d bcount=%d ",
                   2616:                                        xs->cmd->opcode, blockno, blockcnt));
                   2617:
                   2618:                if (blockno >= sc->aac_hdr[target].hd_size ||
                   2619:                    blockno + blockcnt > sc->aac_hdr[target].hd_size) {
                   2620:                        AAC_DPRINTF(AAC_D_CMD, ("\n"));
                   2621:                        printf("%s: out of bounds %u-%u >= %u\n",
                   2622:                               sc->aac_dev.dv_xname, blockno,
                   2623:                               blockcnt, sc->aac_hdr[target].hd_size);
                   2624:                        /*
                   2625:                         * XXX Should be XS_SENSE but that
                   2626:                         * would require setting up a faked
                   2627:                         * sense too.
                   2628:                         */
                   2629:                        xs->error = XS_DRIVER_STUFFUP;
                   2630:                        xs->flags |= ITSDONE;
                   2631:                        scsi_done(xs);
                   2632:                        goto ready;
                   2633:                }
                   2634:
                   2635:                if (aac_alloc_command(sc, &cm)) {
                   2636:                        AAC_DPRINTF(AAC_D_CMD,
                   2637:                                    (": out of commands, try later\n"));
                   2638:                        /*
                   2639:                         * We are out of commands, try again
                   2640:                         * in a little while.
                   2641:                         */
                   2642:                        splx(s);
                   2643:                        return (TRY_AGAIN_LATER);
                   2644:                }
                   2645:
                   2646:                /* fill out the command */
                   2647:                cm->cm_data = (void *)xs->data;
                   2648:                cm->cm_datalen = xs->datalen;
                   2649:                cm->cm_complete = aac_bio_complete;
                   2650:                cm->cm_private = xs;
                   2651:                cm->cm_timestamp = time_uptime;
                   2652:                cm->cm_queue = AAC_ADAP_NORM_CMD_QUEUE;
                   2653:                cm->cm_blkno = blockno;
                   2654:                cm->cm_bcount = blockcnt;
                   2655:
                   2656:                AAC_DPRINTF(AAC_D_CMD, ("\n"));
                   2657:                aac_enqueue_bio(cm);
                   2658:                aac_startio(sc);
                   2659:
                   2660:                /* XXX what if enqueue did not start a transfer? */
                   2661:                if (xs->flags & SCSI_POLL) {
                   2662:                        if (!aac_wait_command(cm, xs->timeout))
                   2663:                        {
                   2664:                                printf("%s: command timed out\n",
                   2665:                                       sc->aac_dev.dv_xname);
                   2666:                                splx(s);
                   2667:                                return (TRY_AGAIN_LATER);
                   2668:                        }
                   2669:                        xs->flags |= ITSDONE;
                   2670:                        scsi_done(xs);
                   2671:                }
                   2672:        }
                   2673:
                   2674:  ready:
                   2675:        /*
                   2676:         * Don't process the queue if we are polling.
                   2677:         */
                   2678:        if (xs->flags & SCSI_POLL)
                   2679:                retval = COMPLETE;
                   2680:
                   2681:        splx(s);
                   2682:        AAC_DPRINTF(AAC_D_CMD, ("%s: scsi_cmd complete\n",
                   2683:                                sc->aac_dev.dv_xname));
                   2684:        return (retval);
                   2685: }
                   2686:
                   2687: /*
                   2688:  * Debugging and Diagnostics
                   2689:  */
                   2690:
                   2691: /*
                   2692:  * Print some information about the controller.
                   2693:  */
                   2694: void
                   2695: aac_describe_controller(struct aac_softc *sc)
                   2696: {
                   2697:        struct aac_fib *fib;
                   2698:        struct aac_adapter_info *info;
                   2699:
                   2700:        aac_alloc_sync_fib(sc, &fib, 0);
                   2701:
                   2702:        fib->data[0] = 0;
                   2703:        if (aac_sync_fib(sc, RequestAdapterInfo, 0, fib, 1)) {
                   2704:                printf("%s: RequestAdapterInfo failed 2\n",
                   2705:                       sc->aac_dev.dv_xname);
                   2706:                aac_release_sync_fib(sc);
                   2707:                return;
                   2708:        }
                   2709:        info = (struct aac_adapter_info *)&fib->data[0];
                   2710:
                   2711:        printf("%s: %s %dMHz, %dMB cache memory, %s\n", sc->aac_dev.dv_xname,
                   2712:               aac_describe_code(aac_cpu_variant, info->CpuVariant),
                   2713:               info->ClockSpeed, info->BufferMem / (1024 * 1024),
                   2714:               aac_describe_code(aac_battery_platform, info->batteryPlatform));
                   2715:
                   2716:        /* save the kernel revision structure for later use */
                   2717:        sc->aac_revision = info->KernelRevision;
                   2718:        printf("%s: Kernel %d.%d-%d, Build %d, S/N %6X\n",
                   2719:               sc->aac_dev.dv_xname,
                   2720:               info->KernelRevision.external.comp.major,
                   2721:               info->KernelRevision.external.comp.minor,
                   2722:               info->KernelRevision.external.comp.dash,
                   2723:               info->KernelRevision.buildNumber,
                   2724:               (u_int32_t)(info->SerialNumber & 0xffffff));
                   2725:
                   2726:        aac_release_sync_fib(sc);
                   2727:
                   2728: #if 0
                   2729:        if (1 || bootverbose) {
                   2730:                device_printf(sc->aac_dev, "Supported Options=%b\n",
                   2731:                              sc->supported_options,
                   2732:                              "\20"
                   2733:                              "\1SNAPSHOT"
                   2734:                              "\2CLUSTERS"
                   2735:                              "\3WCACHE"
                   2736:                              "\4DATA64"
                   2737:                              "\5HOSTTIME"
                   2738:                              "\6RAID50"
                   2739:                              "\7WINDOW4GB"
                   2740:                              "\10SCSIUPGD"
                   2741:                              "\11SOFTERR"
                   2742:                              "\12NORECOND"
                   2743:                              "\13SGMAP64"
                   2744:                              "\14ALARM"
                   2745:                              "\15NONDASD");
                   2746:        }
                   2747: #endif
                   2748: }
                   2749:
                   2750: /*
                   2751:  * Look up a text description of a numeric error code and return a pointer to
                   2752:  * same.
                   2753:  */
                   2754: char *
                   2755: aac_describe_code(struct aac_code_lookup *table, u_int32_t code)
                   2756: {
                   2757:        int i;
                   2758:
                   2759:        for (i = 0; table[i].string != NULL; i++)
                   2760:                if (table[i].code == code)
                   2761:                        return(table[i].string);
                   2762:        return(table[i + 1].string);
                   2763: }
                   2764:
                   2765: #ifdef AAC_DEBUG
                   2766: /*
                   2767:  * Print a FIB
                   2768:  */
                   2769: void
                   2770: aac_print_fib(struct aac_softc *sc, struct aac_fib *fib, const char *caller)
                   2771: {
                   2772:        printf("%s: FIB @ %p\n", caller, fib);
                   2773:        printf("  XferState %b\n", fib->Header.XferState, "\20"
                   2774:            "\1HOSTOWNED"
                   2775:            "\2ADAPTEROWNED"
                   2776:            "\3INITIALISED"
                   2777:            "\4EMPTY"
                   2778:            "\5FROMPOOL"
                   2779:            "\6FROMHOST"
                   2780:            "\7FROMADAP"
                   2781:            "\10REXPECTED"
                   2782:            "\11RNOTEXPECTED"
                   2783:            "\12DONEADAP"
                   2784:            "\13DONEHOST"
                   2785:            "\14HIGH"
                   2786:            "\15NORM"
                   2787:            "\16ASYNC"
                   2788:            "\17PAGEFILEIO"
                   2789:            "\20SHUTDOWN"
                   2790:            "\21LAZYWRITE"
                   2791:            "\22ADAPMICROFIB"
                   2792:            "\23BIOSFIB"
                   2793:            "\24FAST_RESPONSE"
                   2794:            "\25APIFIB\n");
                   2795:        printf("  Command         %d\n", fib->Header.Command);
                   2796:        printf("  StructType      %d\n", fib->Header.StructType);
                   2797:        printf("  Flags           0x%x\n", fib->Header.Flags);
                   2798:        printf("  Size            %d\n", fib->Header.Size);
                   2799:        printf("  SenderSize      %d\n", fib->Header.SenderSize);
                   2800:        printf("  SenderAddress   0x%x\n", fib->Header.SenderFibAddress);
                   2801:        printf("  ReceiverAddress 0x%x\n", fib->Header.ReceiverFibAddress);
                   2802:        printf("  SenderData      0x%x\n", fib->Header.SenderData);
                   2803:        switch(fib->Header.Command) {
                   2804:        case ContainerCommand: {
                   2805:                struct aac_blockread *br = (struct aac_blockread *)fib->data;
                   2806:                struct aac_blockwrite *bw = (struct aac_blockwrite *)fib->data;
                   2807:                struct aac_sg_table *sg = NULL;
                   2808:                int i;
                   2809:
                   2810:                if (br->Command == VM_CtBlockRead) {
                   2811:                        printf("  BlockRead: container %d  0x%x/%d\n",
                   2812:                            br->ContainerId, br->BlockNumber, br->ByteCount);
                   2813:                            sg = &br->SgMap;
                   2814:                }
                   2815:                if (bw->Command == VM_CtBlockWrite) {
                   2816:                        printf("  BlockWrite: container %d  0x%x/%d (%s)\n",
                   2817:                            bw->ContainerId, bw->BlockNumber, bw->ByteCount,
                   2818:                            bw->Stable == CSTABLE ? "stable" : "unstable");
                   2819:                        sg = &bw->SgMap;
                   2820:                }
                   2821:                if (sg != NULL) {
                   2822:                        printf("  %d s/g entries\n", sg->SgCount);
                   2823:                        for (i = 0; i < sg->SgCount; i++)
                   2824:                                printf("  0x%08x/%d\n",
                   2825:                                       sg->SgEntry[i].SgAddress,
                   2826:                                       sg->SgEntry[i].SgByteCount);
                   2827:                }
                   2828:                break;
                   2829:        }
                   2830:        default:
                   2831:                printf("   %16D\n", fib->data, " ");
                   2832:                printf("   %16D\n", fib->data + 16, " ");
                   2833:        break;
                   2834:        }
                   2835: }
                   2836:
                   2837: /*
                   2838:  * Describe an AIF we have received.
                   2839:  */
                   2840: void
                   2841: aac_print_aif(struct aac_softc *sc, struct aac_aif_command *aif)
                   2842: {
                   2843:        printf("%s: print_aif: ", sc->aac_dev.dv_xname);
                   2844:
                   2845:        switch(aif->command) {
                   2846:        case AifCmdEventNotify:
                   2847:                printf("EventNotify(%d)\n", aif->seqNumber);
                   2848:
                   2849:                switch(aif->data.EN.type) {
                   2850:                case AifEnGeneric:
                   2851:                        /* Generic notification */
                   2852:                        printf("\t(Generic) %.*s\n",
                   2853:                               (int)sizeof(aif->data.EN.data.EG),
                   2854:                               aif->data.EN.data.EG.text);
                   2855:                        break;
                   2856:                case AifEnTaskComplete:
                   2857:                        /* Task has completed */
                   2858:                        printf("\t(TaskComplete)\n");
                   2859:                        break;
                   2860:                case AifEnConfigChange:
                   2861:                        /* Adapter configuration change occurred */
                   2862:                        printf("\t(ConfigChange)\n");
                   2863:                        break;
                   2864:                case AifEnContainerChange:
                   2865:                        /* Adapter specific container configuration change */
                   2866:                        printf("\t(ContainerChange) container %d,%d\n",
                   2867:                               aif->data.EN.data.ECC.container[0],
                   2868:                               aif->data.EN.data.ECC.container[1]);
                   2869:                        break;
                   2870:                case AifEnDeviceFailure:
                   2871:                        /* SCSI device failed */
                   2872:                        printf("\t(DeviceFailure) handle %d\n",
                   2873:                               aif->data.EN.data.EDF.deviceHandle);
                   2874:                        break;
                   2875:                case AifEnMirrorFailover:
                   2876:                        /* Mirror failover started */
                   2877:                        printf("\t(MirrorFailover) container %d failed, "
                   2878:                               "migrating from slice %d to %d\n",
                   2879:                               aif->data.EN.data.EMF.container,
                   2880:                               aif->data.EN.data.EMF.failedSlice,
                   2881:                               aif->data.EN.data.EMF.creatingSlice);
                   2882:                        break;
                   2883:                case AifEnContainerEvent:
                   2884:                        /* Significant container event */
                   2885:                        printf("\t(ContainerEvent) container %d event %d\n",
                   2886:                               aif->data.EN.data.ECE.container,
                   2887:                               aif->data.EN.data.ECE.eventType);
                   2888:                        break;
                   2889:                case AifEnFileSystemChange:
                   2890:                        /* File system changed */
                   2891:                        printf("\t(FileSystemChange)\n");
                   2892:                        break;
                   2893:                case AifEnConfigPause:
                   2894:                        /* Container pause event */
                   2895:                        printf("\t(ConfigPause)\n");
                   2896:                        break;
                   2897:                case AifEnConfigResume:
                   2898:                        /* Container resume event */
                   2899:                        printf("\t(ConfigResume)\n");
                   2900:                        break;
                   2901:                case AifEnFailoverChange:
                   2902:                        /* Failover space assignment changed */
                   2903:                        printf("\t(FailoverChange)\n");
                   2904:                        break;
                   2905:                case AifEnRAID5RebuildDone:
                   2906:                        /* RAID5 rebuild finished */
                   2907:                        printf("\t(RAID5RebuildDone)\n");
                   2908:                        break;
                   2909:                case AifEnEnclosureManagement:
                   2910:                        /* Enclosure management event */
                   2911:                        printf("\t(EnclosureManagement) EMPID %d unit %d "
                   2912:                               "event %d\n",
                   2913:                               aif->data.EN.data.EEE.empID,
                   2914:                               aif->data.EN.data.EEE.unitID,
                   2915:                               aif->data.EN.data.EEE.eventType);
                   2916:                        break;
                   2917:                case AifEnBatteryEvent:
                   2918:                        /* Significant NV battery event */
                   2919:                        printf("\t(BatteryEvent) %d (state was %d, is %d\n",
                   2920:                               aif->data.EN.data.EBE.transition_type,
                   2921:                               aif->data.EN.data.EBE.current_state,
                   2922:                               aif->data.EN.data.EBE.prior_state);
                   2923:                        break;
                   2924:                case AifEnAddContainer:
                   2925:                        /* A new container was created. */
                   2926:                        printf("\t(AddContainer)\n");
                   2927:                        break;
                   2928:                case AifEnDeleteContainer:
                   2929:                        /* A container was deleted. */
                   2930:                        printf("\t(DeleteContainer)\n");
                   2931:                        break;
                   2932:                case AifEnBatteryNeedsRecond:
                   2933:                        /* The battery needs reconditioning */
                   2934:                        printf("\t(BatteryNeedsRecond)\n");
                   2935:                        break;
                   2936:                case AifEnClusterEvent:
                   2937:                        /* Some cluster event */
                   2938:                        printf("\t(ClusterEvent) event %d\n",
                   2939:                               aif->data.EN.data.ECLE.eventType);
                   2940:                        break;
                   2941:                case AifEnDiskSetEvent:
                   2942:                        /* A disk set event occured. */
                   2943:                        printf("(DiskSetEvent) event %d "
                   2944:                               "diskset %lld creator %lld\n",
                   2945:                               aif->data.EN.data.EDS.eventType,
                   2946:                               aif->data.EN.data.EDS.DsNum,
                   2947:                               aif->data.EN.data.EDS.CreatorId);
                   2948:                        break;
                   2949:                case AifDenMorphComplete:
                   2950:                        /* A morph operation completed */
                   2951:                        printf("\t(MorphComplete)\n");
                   2952:                        break;
                   2953:                case AifDenVolumeExtendComplete:
                   2954:                        /* A volume expand operation completed */
                   2955:                        printf("\t(VolumeExtendComplete)\n");
                   2956:                        break;
                   2957:                default:
                   2958:                        printf("\t(%d)\n", aif->data.EN.type);
                   2959:                        break;
                   2960:                }
                   2961:                break;
                   2962:        case AifCmdJobProgress:
                   2963:        {
                   2964:                char    *status;
                   2965:                switch(aif->data.PR[0].status) {
                   2966:                case AifJobStsSuccess:
                   2967:                        status = "success"; break;
                   2968:                case AifJobStsFinished:
                   2969:                        status = "finished"; break;
                   2970:                case AifJobStsAborted:
                   2971:                        status = "aborted"; break;
                   2972:                case AifJobStsFailed:
                   2973:                        status = "failed"; break;
                   2974:                case AifJobStsSuspended:
                   2975:                        status = "suspended"; break;
                   2976:                case AifJobStsRunning:
                   2977:                        status = "running"; break;
                   2978:                default:
                   2979:                        status = "unknown status"; break;
                   2980:                }
                   2981:
                   2982:                printf("JobProgress (%d) - %s (%d, %d)\n",
                   2983:                       aif->seqNumber, status,
                   2984:                       aif->data.PR[0].currentTick,
                   2985:                       aif->data.PR[0].finalTick);
                   2986:
                   2987:                switch(aif->data.PR[0].jd.type) {
                   2988:                case AifJobScsiZero:
                   2989:                        /* SCSI dev clear operation */
                   2990:                        printf("\t(ScsiZero) handle %d\n",
                   2991:                                      aif->data.PR[0].jd.client.scsi_dh);
                   2992:                        break;
                   2993:                case AifJobScsiVerify:
                   2994:                        /* SCSI device Verify operation NO REPAIR */
                   2995:                        printf("\t(ScsiVerify) handle %d\n",
                   2996:                                      aif->data.PR[0].jd.client.scsi_dh);
                   2997:                        break;
                   2998:                case AifJobScsiExercise:
                   2999:                        /* SCSI device Exercise operation */
                   3000:                        printf("\t(ScsiExercise) handle %d\n",
                   3001:                               aif->data.PR[0].jd.client.scsi_dh);
                   3002:                        break;
                   3003:                case AifJobScsiVerifyRepair:
                   3004:                        /* SCSI device Verify operation WITH repair */
                   3005:                        printf("\t(ScsiVerifyRepair) handle %d\n",
                   3006:                               aif->data.PR[0].jd.client.scsi_dh);
                   3007:                        break;
                   3008:                case AifJobCtrZero:
                   3009:                        /* Container clear operation */
                   3010:                        printf("\t(ContainerZero) container %d\n",
                   3011:                               aif->data.PR[0].jd.client.container.src);
                   3012:                        break;
                   3013:                case AifJobCtrCopy:
                   3014:                        /* Container copy operation */
                   3015:                        printf("\t(ContainerCopy) container %d to %d\n",
                   3016:                               aif->data.PR[0].jd.client.container.src,
                   3017:                               aif->data.PR[0].jd.client.container.dst);
                   3018:                        break;
                   3019:                case AifJobCtrCreateMirror:
                   3020:                        /* Container Create Mirror operation */
                   3021:                        printf("\t(ContainerCreateMirror) container %d\n",
                   3022:                               aif->data.PR[0].jd.client.container.src);
                   3023:                        /* XXX two containers? */
                   3024:                        break;
                   3025:                case AifJobCtrMergeMirror:
                   3026:                        /* Container Merge Mirror operation */
                   3027:                        printf("\t(ContainerMergeMirror) container %d\n",
                   3028:                               aif->data.PR[0].jd.client.container.src);
                   3029:                        /* XXX two containers? */
                   3030:                        break;
                   3031:                case AifJobCtrScrubMirror:
                   3032:                        /* Container Scrub Mirror operation */
                   3033:                        printf("\t(ContainerScrubMirror) container %d\n",
                   3034:                               aif->data.PR[0].jd.client.container.src);
                   3035:                        break;
                   3036:                case AifJobCtrRebuildRaid5:
                   3037:                        /* Container Rebuild Raid5 operation */
                   3038:                        printf("\t(ContainerRebuildRaid5) container %d\n",
                   3039:                               aif->data.PR[0].jd.client.container.src);
                   3040:                        break;
                   3041:                case AifJobCtrScrubRaid5:
                   3042:                        /* Container Scrub Raid5 operation */
                   3043:                        printf("\t(ContainerScrubRaid5) container %d\n",
                   3044:                               aif->data.PR[0].jd.client.container.src);
                   3045:                        break;
                   3046:                case AifJobCtrMorph:
                   3047:                        /* Container morph operation */
                   3048:                        printf("\t(ContainerMorph) container %d\n",
                   3049:                               aif->data.PR[0].jd.client.container.src);
                   3050:                        /* XXX two containers? */
                   3051:                        break;
                   3052:                case AifJobCtrPartCopy:
                   3053:                        /* Container Partition copy operation */
                   3054:                        printf("\t(ContainerPartCopy) container %d to %d\n",
                   3055:                               aif->data.PR[0].jd.client.container.src,
                   3056:                               aif->data.PR[0].jd.client.container.dst);
                   3057:                        break;
                   3058:                case AifJobCtrRebuildMirror:
                   3059:                        /* Container Rebuild Mirror operation */
                   3060:                        printf("\t(ContainerRebuildMirror) container %d\n",
                   3061:                               aif->data.PR[0].jd.client.container.src);
                   3062:                        break;
                   3063:                case AifJobCtrCrazyCache:
                   3064:                        /* crazy cache */
                   3065:                        printf("\t(ContainerCrazyCache) container %d\n",
                   3066:                               aif->data.PR[0].jd.client.container.src);
                   3067:                        /* XXX two containers? */
                   3068:                        break;
                   3069:                case AifJobFsCreate:
                   3070:                        /* File System Create operation */
                   3071:                        printf("\t(FsCreate)\n");
                   3072:                        break;
                   3073:                case AifJobFsVerify:
                   3074:                        /* File System Verify operation */
                   3075:                        printf("\t(FsVerivy)\n");
                   3076:                        break;
                   3077:                case AifJobFsExtend:
                   3078:                        /* File System Extend operation */
                   3079:                        printf("\t(FsExtend)\n");
                   3080:                        break;
                   3081:                case AifJobApiFormatNTFS:
                   3082:                        /* Format a drive to NTFS */
                   3083:                        printf("\t(FormatNTFS)\n");
                   3084:                        break;
                   3085:                case AifJobApiFormatFAT:
                   3086:                        /* Format a drive to FAT */
                   3087:                        printf("\t(FormatFAT)\n");
                   3088:                        break;
                   3089:                case AifJobApiUpdateSnapshot:
                   3090:                        /* update the read/write half of a snapshot */
                   3091:                        printf("\t(UpdateSnapshot)\n");
                   3092:                        break;
                   3093:                case AifJobApiFormatFAT32:
                   3094:                        /* Format a drive to FAT32 */
                   3095:                        printf("\t(FormatFAT32)\n");
                   3096:                        break;
                   3097:                case AifJobCtlContinuousCtrVerify:
                   3098:                        /* Adapter operation */
                   3099:                        printf("\t(ContinuousCtrVerify)\n");
                   3100:                        break;
                   3101:                default:
                   3102:                        printf("\t(%d)\n", aif->data.PR[0].jd.type);
                   3103:                        break;
                   3104:                }
                   3105:                break;
                   3106:        }
                   3107:        case AifCmdAPIReport:
                   3108:                printf("APIReport (%d)\n", aif->seqNumber);
                   3109:                break;
                   3110:        case AifCmdDriverNotify:
                   3111:                printf("DriverNotify (%d)\n", aif->seqNumber);
                   3112:                break;
                   3113:        default:
                   3114:                printf("AIF %d (%d)\n", aif->command, aif->seqNumber);
                   3115:                break;
                   3116:        }
                   3117: }
                   3118: #endif

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