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