sys/dev/firewire/sbp.c

   1 /*-
   2  * Copyright (c) 2003 Hidetoshi Shimokawa
   3  * Copyright (c) 1998-2002 Katsushi Kobayashi and Hidetoshi Shimokawa
   4  * All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  * 1. Redistributions of source code must retain the above copyright
  10  *    notice, this list of conditions and the following disclaimer.
  11  * 2. Redistributions in binary form must reproduce the above copyright
  12  *    notice, this list of conditions and the following disclaimer in the
  13  *    documentation and/or other materials provided with the distribution.
  14  * 3. All advertising materials mentioning features or use of this software
  15  *    must display the acknowledgement as bellow:
  16  *
  17  *    This product includes software developed by K. Kobayashi and H. Shimokawa
  18  *
  19  * 4. The name of the author may not be used to endorse or promote products
  20  *    derived from this software without specific prior written permission.
  21  *
  22  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  23  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  24  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  25  * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
  26  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  27  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  28  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  30  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
  31  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  32  * POSSIBILITY OF SUCH DAMAGE.
  33  *
  34  * $FreeBSD$
  35  *
  36  */
  37
  38 #include <sys/param.h>
  39 #include <sys/systm.h>
  40 #include <sys/module.h>
  41 #include <sys/bus.h>
  42 #include <sys/kernel.h>
  43 #include <sys/sysctl.h>
  44 #include <machine/bus.h>
  45 #include <sys/malloc.h>
  46 #if defined(__FreeBSD__) && __FreeBSD_version >= 501102
  47 #include <sys/lock.h>
  48 #include <sys/mutex.h>
  49 #endif
  50
  51 #if defined(__DragonFly__) || __FreeBSD_version < 500106
  52 #include <sys/devicestat.h>     /* for struct devstat */
  53 #endif
  54
  55 #ifdef __DragonFly__
  56 #include <bus/cam/cam.h>
  57 #include <bus/cam/cam_ccb.h>
  58 #include <bus/cam/cam_sim.h>
  59 #include <bus/cam/cam_xpt_sim.h>
  60 #include <bus/cam/cam_debug.h>
  61 #include <bus/cam/cam_periph.h>
  62 #include <bus/cam/scsi/scsi_all.h>
  63
  64 #include <bus/firewire/firewire.h>
  65 #include <bus/firewire/firewirereg.h>
  66 #include <bus/firewire/fwdma.h>
  67 #include <bus/firewire/iec13213.h>
  68 #include "sbp.h"
  69 #else
  70 #include <cam/cam.h>
  71 #include <cam/cam_ccb.h>
  72 #include <cam/cam_sim.h>
  73 #include <cam/cam_xpt_sim.h>
  74 #include <cam/cam_debug.h>
  75 #include <cam/cam_periph.h>
  76 #include <cam/scsi/scsi_all.h>
  77
  78 #include <dev/firewire/firewire.h>
  79 #include <dev/firewire/firewirereg.h>
  80 #include <dev/firewire/fwdma.h>
  81 #include <dev/firewire/iec13213.h>
  82 #include <dev/firewire/sbp.h>
  83 #endif
  84
  85 #define ccb_sdev_ptr    spriv_ptr0
  86 #define ccb_sbp_ptr     spriv_ptr1
  87
  88 #define SBP_NUM_TARGETS 8 /* MAX 64 */
  89 /*
  90  * Scan_bus doesn't work for more than 8 LUNs
  91  * because of CAM_SCSI2_MAXLUN in cam_xpt.c
  92  */
  93 #define SBP_NUM_LUNS 64
  94 #define SBP_MAXPHYS  MIN(MAXPHYS, (512*1024) /* 512KB */)
  95 #define SBP_DMA_SIZE PAGE_SIZE
  96 #define SBP_LOGIN_SIZE sizeof(struct sbp_login_res)
  97 #define SBP_QUEUE_LEN ((SBP_DMA_SIZE - SBP_LOGIN_SIZE) / sizeof(struct sbp_ocb))
  98 #define SBP_NUM_OCB (SBP_QUEUE_LEN * SBP_NUM_TARGETS)
  99
 100 /*
 101  * STATUS FIFO addressing
 102  *   bit
 103  * -----------------------
 104  *  0- 1( 2): 0 (alignment)
 105  *  2- 7( 6): target
 106  *  8-15( 8): lun
 107  * 16-31( 8): reserved
 108  * 32-47(16): SBP_BIND_HI
 109  * 48-64(16): bus_id, node_id
 110  */
 111 #define SBP_BIND_HI 0x1
 112 #define SBP_DEV2ADDR(t, l) \
 113         (((u_int64_t)SBP_BIND_HI << 32) \
 114         | (((l) & 0xff) << 8) \
 115         | (((t) & 0x3f) << 2))
 116 #define SBP_ADDR2TRG(a) (((a) >> 2) & 0x3f)
 117 #define SBP_ADDR2LUN(a) (((a) >> 8) & 0xff)
 118 #define SBP_INITIATOR 7
 119
 120 static char *orb_fun_name[] = {
 121         ORB_FUN_NAMES
 122 };
 123
 124 static int debug = 0;
 125 static int auto_login = 1;
 126 static int max_speed = -1;
 127 static int sbp_cold = 1;
 128 static int ex_login = 1;
 129 static int login_delay = 1000;  /* msec */
 130 static int scan_delay = 500;    /* msec */
 131 static int use_doorbell = 0;
 132 static int sbp_tags = 0;
 133
 134 SYSCTL_DECL(_hw_firewire);
 135 static SYSCTL_NODE(_hw_firewire, OID_AUTO, sbp, CTLFLAG_RD, 0,
 136         "SBP-II Subsystem");
 137 SYSCTL_INT(_debug, OID_AUTO, sbp_debug, CTLFLAG_RW, &debug, 0,
 138         "SBP debug flag");
 139 SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, auto_login, CTLFLAG_RW, &auto_login, 0,
 140         "SBP perform login automatically");
 141 SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, max_speed, CTLFLAG_RW, &max_speed, 0,
 142         "SBP transfer max speed");
 143 SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, exclusive_login, CTLFLAG_RW,
 144         &ex_login, 0, "SBP enable exclusive login");
 145 SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, login_delay, CTLFLAG_RW,
 146         &login_delay, 0, "SBP login delay in msec");
 147 SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, scan_delay, CTLFLAG_RW,
 148         &scan_delay, 0, "SBP scan delay in msec");
 149 SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, use_doorbell, CTLFLAG_RW,
 150         &use_doorbell, 0, "SBP use doorbell request");
 151 SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, tags, CTLFLAG_RW, &sbp_tags, 0,
 152         "SBP tagged queuing support");
 153
 154 TUNABLE_INT("hw.firewire.sbp.auto_login", &auto_login);
 155 TUNABLE_INT("hw.firewire.sbp.max_speed", &max_speed);
 156 TUNABLE_INT("hw.firewire.sbp.exclusive_login", &ex_login);
 157 TUNABLE_INT("hw.firewire.sbp.login_delay", &login_delay);
 158 TUNABLE_INT("hw.firewire.sbp.scan_delay", &scan_delay);
 159 TUNABLE_INT("hw.firewire.sbp.use_doorbell", &use_doorbell);
 160 TUNABLE_INT("hw.firewire.sbp.tags", &sbp_tags);
 161
 162 #define NEED_RESPONSE 0
 163
 164 #define SBP_SEG_MAX rounddown(0xffff, PAGE_SIZE)
 165 #ifdef __sparc64__ /* iommu */
 166 #define SBP_IND_MAX howmany(SBP_MAXPHYS, SBP_SEG_MAX)
 167 #else
 168 #define SBP_IND_MAX howmany(SBP_MAXPHYS, PAGE_SIZE)
 169 #endif
 170 struct sbp_ocb {
 171         STAILQ_ENTRY(sbp_ocb)   ocb;
 172         union ccb       *ccb;
 173         bus_addr_t      bus_addr;
 174         uint32_t        orb[8];
 175 #define IND_PTR_OFFSET  (8*sizeof(uint32_t))
 176         struct ind_ptr  ind_ptr[SBP_IND_MAX];
 177         struct sbp_dev  *sdev;
 178         int             flags; /* XXX should be removed */
 179         bus_dmamap_t    dmamap;
 180         struct callout  timer;
 181 };
 182
 183 #define OCB_ACT_MGM 0
 184 #define OCB_ACT_CMD 1
 185 #define OCB_MATCH(o,s)  ((o)->bus_addr == ntohl((s)->orb_lo))
 186
 187 struct sbp_dev{
 188 #define SBP_DEV_RESET           0       /* accept login */
 189 #define SBP_DEV_LOGIN           1       /* to login */
 190 #if 0
 191 #define SBP_DEV_RECONN          2       /* to reconnect */
 192 #endif
 193 #define SBP_DEV_TOATTACH        3       /* to attach */
 194 #define SBP_DEV_PROBE           4       /* scan lun */
 195 #define SBP_DEV_ATTACHED        5       /* in operation */
 196 #define SBP_DEV_DEAD            6       /* unavailable unit */
 197 #define SBP_DEV_RETRY           7       /* unavailable unit */
 198         uint8_t status:4,
 199                  timeout:4;
 200         uint8_t type;
 201         uint16_t lun_id;
 202         uint16_t freeze;
 203 #define ORB_LINK_DEAD           (1 << 0)
 204 #define VALID_LUN               (1 << 1)
 205 #define ORB_POINTER_ACTIVE      (1 << 2)
 206 #define ORB_POINTER_NEED        (1 << 3)
 207 #define ORB_DOORBELL_ACTIVE     (1 << 4)
 208 #define ORB_DOORBELL_NEED       (1 << 5)
 209 #define ORB_SHORTAGE            (1 << 6)
 210         uint16_t flags;
 211         struct cam_path *path;
 212         struct sbp_target *target;
 213         struct fwdma_alloc dma;
 214         struct sbp_login_res *login;
 215         struct callout login_callout;
 216         struct sbp_ocb *ocb;
 217         STAILQ_HEAD(, sbp_ocb) ocbs;
 218         STAILQ_HEAD(, sbp_ocb) free_ocbs;
 219         struct sbp_ocb *last_ocb;
 220         char vendor[32];
 221         char product[32];
 222         char revision[10];
 223         char bustgtlun[32];
 224 };
 225
 226 struct sbp_target {
 227         int target_id;
 228         int num_lun;
 229         struct sbp_dev  **luns;
 230         struct sbp_softc *sbp;
 231         struct fw_device *fwdev;
 232         uint32_t mgm_hi, mgm_lo;
 233         struct sbp_ocb *mgm_ocb_cur;
 234         STAILQ_HEAD(, sbp_ocb) mgm_ocb_queue;
 235         struct callout mgm_ocb_timeout;
 236         struct callout scan_callout;
 237         STAILQ_HEAD(, fw_xfer) xferlist;
 238         int n_xfer;
 239 };
 240
 241 struct sbp_softc {
 242         struct firewire_dev_comm fd;
 243         struct cam_sim  *sim;
 244         struct cam_path  *path;
 245         struct sbp_target targets[SBP_NUM_TARGETS];
 246         struct fw_bind fwb;
 247         bus_dma_tag_t   dmat;
 248         struct timeval last_busreset;
 249 #define SIMQ_FREEZED 1
 250         int flags;
 251         struct mtx mtx;
 252 };
 253 #define SBP_LOCK(sbp)           mtx_lock(&(sbp)->mtx)
 254 #define SBP_UNLOCK(sbp)         mtx_unlock(&(sbp)->mtx)
 255 #define SBP_LOCK_ASSERT(sbp)    mtx_assert(&(sbp)->mtx, MA_OWNED)
 256
 257 static void sbp_post_explore (void *);
 258 static void sbp_recv (struct fw_xfer *);
 259 static void sbp_mgm_callback (struct fw_xfer *);
 260 #if 0
 261 static void sbp_cmd_callback (struct fw_xfer *);
 262 #endif
 263 static void sbp_orb_pointer (struct sbp_dev *, struct sbp_ocb *);
 264 static void sbp_doorbell(struct sbp_dev *);
 265 static void sbp_execute_ocb (void *,  bus_dma_segment_t *, int, int);
 266 static void sbp_free_ocb (struct sbp_dev *, struct sbp_ocb *);
 267 static void sbp_abort_ocb (struct sbp_ocb *, int);
 268 static void sbp_abort_all_ocbs (struct sbp_dev *, int);
 269 static struct fw_xfer * sbp_write_cmd (struct sbp_dev *, int, int);
 270 static struct sbp_ocb * sbp_get_ocb (struct sbp_dev *);
 271 static struct sbp_ocb * sbp_enqueue_ocb (struct sbp_dev *, struct sbp_ocb *);
 272 static struct sbp_ocb * sbp_dequeue_ocb (struct sbp_dev *, struct sbp_status *);
 273 static void sbp_cam_detach_sdev(struct sbp_dev *);
 274 static void sbp_free_sdev(struct sbp_dev *);
 275 static void sbp_cam_detach_target (struct sbp_target *);
 276 static void sbp_free_target (struct sbp_target *);
 277 static void sbp_mgm_timeout (void *arg);
 278 static void sbp_timeout (void *arg);
 279 static void sbp_mgm_orb (struct sbp_dev *, int, struct sbp_ocb *);
 280
 281 static MALLOC_DEFINE(M_SBP, "sbp", "SBP-II/FireWire");
 282
 283 /* cam related functions */
 284 static void     sbp_action(struct cam_sim *sim, union ccb *ccb);
 285 static void     sbp_poll(struct cam_sim *sim);
 286 static void     sbp_cam_scan_lun(struct cam_periph *, union ccb *);
 287 static void     sbp_cam_scan_target(void *arg);
 288
 289 static char *orb_status0[] = {
 290         /* 0 */ "No additional information to report",
 291         /* 1 */ "Request type not supported",
 292         /* 2 */ "Speed not supported",
 293         /* 3 */ "Page size not supported",
 294         /* 4 */ "Access denied",
 295         /* 5 */ "Logical unit not supported",
 296         /* 6 */ "Maximum payload too small",
 297         /* 7 */ "Reserved for future standardization",
 298         /* 8 */ "Resources unavailable",
 299         /* 9 */ "Function rejected",
 300         /* A */ "Login ID not recognized",
 301         /* B */ "Dummy ORB completed",
 302         /* C */ "Request aborted",
 303         /* FF */ "Unspecified error"
 304 #define MAX_ORB_STATUS0 0xd
 305 };
 306
 307 static char *orb_status1_object[] = {
 308         /* 0 */ "Operation request block (ORB)",
 309         /* 1 */ "Data buffer",
 310         /* 2 */ "Page table",
 311         /* 3 */ "Unable to specify"
 312 };
 313
 314 static char *orb_status1_serial_bus_error[] = {
 315         /* 0 */ "Missing acknowledge",
 316         /* 1 */ "Reserved; not to be used",
 317         /* 2 */ "Time-out error",
 318         /* 3 */ "Reserved; not to be used",
 319         /* 4 */ "Busy retry limit exceeded(X)",
 320         /* 5 */ "Busy retry limit exceeded(A)",
 321         /* 6 */ "Busy retry limit exceeded(B)",
 322         /* 7 */ "Reserved for future standardization",
 323         /* 8 */ "Reserved for future standardization",
 324         /* 9 */ "Reserved for future standardization",
 325         /* A */ "Reserved for future standardization",
 326         /* B */ "Tardy retry limit exceeded",
 327         /* C */ "Conflict error",
 328         /* D */ "Data error",
 329         /* E */ "Type error",
 330         /* F */ "Address error"
 331 };
 332
 333 static void
 334 sbp_identify(driver_t *driver, device_t parent)
 335 {
 336 SBP_DEBUG(0)
 337         printf("sbp_identify\n");
 338 END_DEBUG
 339
 340         if (device_find_child(parent, "sbp", -1) == NULL)
 341                 BUS_ADD_CHILD(parent, 0, "sbp", -1);
 342 }
 343
 344 /*
 345  * sbp_probe()
 346  */
 347 static int
 348 sbp_probe(device_t dev)
 349 {
 350
 351 SBP_DEBUG(0)
 352         printf("sbp_probe\n");
 353 END_DEBUG
 354
 355         device_set_desc(dev, "SBP-2/SCSI over FireWire");
 356
 357 #if 0
 358         if (bootverbose)
 359                 debug = bootverbose;
 360 #endif
 361
 362         return (0);
 363 }
 364
 365 /*
 366  * Display device characteristics on the console
 367  */
 368 static void
 369 sbp_show_sdev_info(struct sbp_dev *sdev)
 370 {
 371         struct fw_device *fwdev;
 372
 373         fwdev = sdev->target->fwdev;
 374         device_printf(sdev->target->sbp->fd.dev,
 375                 "%s: %s: ordered:%d type:%d EUI:%08x%08x node:%d "
 376                 "speed:%d maxrec:%d\n",
 377                 __func__,
 378                 sdev->bustgtlun,
 379                 (sdev->type & 0x40) >> 6,
 380                 (sdev->type & 0x1f),
 381                 fwdev->eui.hi,
 382                 fwdev->eui.lo,
 383                 fwdev->dst,
 384                 fwdev->speed,
 385                 fwdev->maxrec);
 386
 387         device_printf(sdev->target->sbp->fd.dev,
 388                         "%s: %s '%s' '%s' '%s'\n",
 389                         __func__,
 390                         sdev->bustgtlun,
 391                         sdev->vendor,
 392                         sdev->product,
 393                         sdev->revision);
 394 }
 395
 396 static struct {
 397         int bus;
 398         int target;
 399         struct fw_eui64 eui;
 400 } wired[] = {
 401         /* Bus  Target  EUI64 */
 402 #if 0
 403         {0,     2,      {0x00018ea0, 0x01fd0154}},      /* Logitec HDD */
 404         {0,     0,      {0x00018ea6, 0x00100682}},      /* Logitec DVD */
 405         {0,     1,      {0x00d03200, 0xa412006a}},      /* Yano HDD */
 406 #endif
 407         {-1,    -1,     {0,0}}
 408 };
 409
 410 static int
 411 sbp_new_target(struct sbp_softc *sbp, struct fw_device *fwdev)
 412 {
 413         int bus, i, target=-1;
 414         char w[SBP_NUM_TARGETS];
 415
 416         bzero(w, sizeof(w));
 417         bus = device_get_unit(sbp->fd.dev);
 418
 419         /* XXX wired-down configuration should be gotten from
 420                                         tunable or device hint */
 421         for (i = 0; wired[i].bus >= 0; i ++) {
 422                 if (wired[i].bus == bus) {
 423                         w[wired[i].target] = 1;
 424                         if (wired[i].eui.hi == fwdev->eui.hi &&
 425                                         wired[i].eui.lo == fwdev->eui.lo)
 426                                 target = wired[i].target;
 427                 }
 428         }
 429         if (target >= 0) {
 430                 if(target < SBP_NUM_TARGETS &&
 431                                 sbp->targets[target].fwdev == NULL)
 432                         return(target);
 433                 device_printf(sbp->fd.dev,
 434                         "target %d is not free for %08x:%08x\n",
 435                         target, fwdev->eui.hi, fwdev->eui.lo);
 436                 target = -1;
 437         }
 438         /* non-wired target */
 439         for (i = 0; i < SBP_NUM_TARGETS; i ++)
 440                 if (sbp->targets[i].fwdev == NULL && w[i] == 0) {
 441                         target = i;
 442                         break;
 443                 }
 444
 445         return target;
 446 }
 447
 448 static void
 449 sbp_alloc_lun(struct sbp_target *target)
 450 {
 451         struct crom_context cc;
 452         struct csrreg *reg;
 453         struct sbp_dev *sdev, **newluns;
 454         struct sbp_softc *sbp;
 455         int maxlun, lun, i;
 456
 457         sbp = target->sbp;
 458         SBP_LOCK_ASSERT(sbp);
 459         crom_init_context(&cc, target->fwdev->csrrom);
 460         /* XXX shoud parse appropriate unit directories only */
 461         maxlun = -1;
 462         while (cc.depth >= 0) {
 463                 reg = crom_search_key(&cc, CROM_LUN);
 464                 if (reg == NULL)
 465                         break;
 466                 lun = reg->val & 0xffff;
 467 SBP_DEBUG(0)
 468                 printf("target %d lun %d found\n", target->target_id, lun);
 469 END_DEBUG
 470                 if (maxlun < lun)
 471                         maxlun = lun;
 472                 crom_next(&cc);
 473         }
 474         if (maxlun < 0)
 475                 device_printf(target->sbp->fd.dev, "%d no LUN found\n",
 476                     target->target_id);
 477
 478         maxlun ++;
 479         if (maxlun >= SBP_NUM_LUNS)
 480                 maxlun = SBP_NUM_LUNS;
 481
 482         /* Invalidiate stale devices */
 483         for (lun = 0; lun < target->num_lun; lun ++) {
 484                 sdev = target->luns[lun];
 485                 if (sdev == NULL)
 486                         continue;
 487                 sdev->flags &= ~VALID_LUN;
 488                 if (lun >= maxlun) {
 489                         /* lost device */
 490                         sbp_cam_detach_sdev(sdev);
 491                         sbp_free_sdev(sdev);
 492                         target->luns[lun] = NULL;
 493                 }
 494         }
 495
 496         /* Reallocate */
 497         if (maxlun != target->num_lun) {
 498                 newluns = (struct sbp_dev **) realloc(target->luns,
 499                     sizeof(struct sbp_dev *) * maxlun,
 500                     M_SBP, M_NOWAIT | M_ZERO);
 501
 502                 if (newluns == NULL) {
 503                         printf("%s: realloc failed\n", __func__);
 504                         newluns = target->luns;
 505                         maxlun = target->num_lun;
 506                 }
 507
 508                 /*
 509                  * We must zero the extended region for the case
 510                  * realloc() doesn't allocate new buffer.
 511                  */
 512                 if (maxlun > target->num_lun)
 513                         bzero(&newluns[target->num_lun],
 514                             sizeof(struct sbp_dev *) *
 515                             (maxlun - target->num_lun));
 516
 517                 target->luns = newluns;
 518                 target->num_lun = maxlun;
 519         }
 520
 521         crom_init_context(&cc, target->fwdev->csrrom);
 522         while (cc.depth >= 0) {
 523                 int new = 0;
 524
 525                 reg = crom_search_key(&cc, CROM_LUN);
 526                 if (reg == NULL)
 527                         break;
 528                 lun = reg->val & 0xffff;
 529                 if (lun >= SBP_NUM_LUNS) {
 530                         printf("too large lun %d\n", lun);
 531                         goto next;
 532                 }
 533
 534                 sdev = target->luns[lun];
 535                 if (sdev == NULL) {
 536                         sdev = malloc(sizeof(struct sbp_dev),
 537                             M_SBP, M_NOWAIT | M_ZERO);
 538                         if (sdev == NULL) {
 539                                 printf("%s: malloc failed\n", __func__);
 540                                 goto next;
 541                         }
 542                         target->luns[lun] = sdev;
 543                         sdev->lun_id = lun;
 544                         sdev->target = target;
 545                         STAILQ_INIT(&sdev->ocbs);
 546                         callout_init_mtx(&sdev->login_callout, &sbp->mtx, 0);
 547                         sdev->status = SBP_DEV_RESET;
 548                         new = 1;
 549                         snprintf(sdev->bustgtlun, 32, "%s:%d:%d",
 550                                         device_get_nameunit(sdev->target->sbp->fd.dev),
 551                                         sdev->target->target_id,
 552                                         sdev->lun_id);
 553                 }
 554                 sdev->flags |= VALID_LUN;
 555                 sdev->type = (reg->val & 0xff0000) >> 16;
 556
 557                 if (new == 0)
 558                         goto next;
 559
 560                 fwdma_malloc(sbp->fd.fc,
 561                         /* alignment */ sizeof(uint32_t),
 562                         SBP_DMA_SIZE, &sdev->dma, BUS_DMA_NOWAIT |
 563                         BUS_DMA_COHERENT);
 564                 if (sdev->dma.v_addr == NULL) {
 565                         printf("%s: dma space allocation failed\n",
 566                                                         __func__);
 567                         free(sdev, M_SBP);
 568                         target->luns[lun] = NULL;
 569                         goto next;
 570                 }
 571                 sdev->login = (struct sbp_login_res *) sdev->dma.v_addr;
 572                 sdev->ocb = (struct sbp_ocb *)
 573                                 ((char *)sdev->dma.v_addr + SBP_LOGIN_SIZE);
 574                 bzero((char *)sdev->ocb,
 575                         sizeof (struct sbp_ocb) * SBP_QUEUE_LEN);
 576
 577                 STAILQ_INIT(&sdev->free_ocbs);
 578                 for (i = 0; i < SBP_QUEUE_LEN; i++) {
 579                         struct sbp_ocb *ocb;
 580                         ocb = &sdev->ocb[i];
 581                         ocb->bus_addr = sdev->dma.bus_addr
 582                                 + SBP_LOGIN_SIZE
 583                                 + sizeof(struct sbp_ocb) * i
 584                                 + offsetof(struct sbp_ocb, orb[0]);
 585                         if (bus_dmamap_create(sbp->dmat, 0, &ocb->dmamap)) {
 586                                 printf("sbp_attach: cannot create dmamap\n");
 587                                 /* XXX */
 588                                 goto next;
 589                         }
 590                         callout_init_mtx(&ocb->timer, &sbp->mtx, 0);
 591                         sbp_free_ocb(sdev, ocb);
 592                 }
 593 next:
 594                 crom_next(&cc);
 595         }
 596
 597         for (lun = 0; lun < target->num_lun; lun ++) {
 598                 sdev = target->luns[lun];
 599                 if (sdev != NULL && (sdev->flags & VALID_LUN) == 0) {
 600                         sbp_cam_detach_sdev(sdev);
 601                         sbp_free_sdev(sdev);
 602                         target->luns[lun] = NULL;
 603                 }
 604         }
 605 }
 606
 607 static struct sbp_target *
 608 sbp_alloc_target(struct sbp_softc *sbp, struct fw_device *fwdev)
 609 {
 610         int i;
 611         struct sbp_target *target;
 612         struct crom_context cc;
 613         struct csrreg *reg;
 614
 615 SBP_DEBUG(1)
 616         printf("sbp_alloc_target\n");
 617 END_DEBUG
 618         i = sbp_new_target(sbp, fwdev);
 619         if (i < 0) {
 620                 device_printf(sbp->fd.dev, "increase SBP_NUM_TARGETS!\n");
 621                 return NULL;
 622         }
 623         /* new target */
 624         target = &sbp->targets[i];
 625         target->sbp = sbp;
 626         target->fwdev = fwdev;
 627         target->target_id = i;
 628         /* XXX we may want to reload mgm port after each bus reset */
 629         /* XXX there might be multiple management agents */
 630         crom_init_context(&cc, target->fwdev->csrrom);
 631         reg = crom_search_key(&cc, CROM_MGM);
 632         if (reg == NULL || reg->val == 0) {
 633                 printf("NULL management address\n");
 634                 target->fwdev = NULL;
 635                 return NULL;
 636         }
 637         target->mgm_hi = 0xffff;
 638         target->mgm_lo = 0xf0000000 | (reg->val << 2);
 639         target->mgm_ocb_cur = NULL;
 640 SBP_DEBUG(1)
 641         printf("target:%d mgm_port: %x\n", i, target->mgm_lo);
 642 END_DEBUG
 643         STAILQ_INIT(&target->xferlist);
 644         target->n_xfer = 0;
 645         STAILQ_INIT(&target->mgm_ocb_queue);
 646         callout_init_mtx(&target->mgm_ocb_timeout, &sbp->mtx, 0);
 647         callout_init_mtx(&target->scan_callout, &sbp->mtx, 0);
 648
 649         target->luns = NULL;
 650         target->num_lun = 0;
 651         return target;
 652 }
 653
 654 static void
 655 sbp_probe_lun(struct sbp_dev *sdev)
 656 {
 657         struct fw_device *fwdev;
 658         struct crom_context c, *cc = &c;
 659         struct csrreg *reg;
 660
 661         bzero(sdev->vendor, sizeof(sdev->vendor));
 662         bzero(sdev->product, sizeof(sdev->product));
 663
 664         fwdev = sdev->target->fwdev;
 665         crom_init_context(cc, fwdev->csrrom);
 666         /* get vendor string */
 667         crom_search_key(cc, CSRKEY_VENDOR);
 668         crom_next(cc);
 669         crom_parse_text(cc, sdev->vendor, sizeof(sdev->vendor));
 670         /* skip to the unit directory for SBP-2 */
 671         while ((reg = crom_search_key(cc, CSRKEY_VER)) != NULL) {
 672                 if (reg->val == CSRVAL_T10SBP2)
 673                         break;
 674                 crom_next(cc);
 675         }
 676         /* get firmware revision */
 677         reg = crom_search_key(cc, CSRKEY_FIRM_VER);
 678         if (reg != NULL)
 679                 snprintf(sdev->revision, sizeof(sdev->revision),
 680                                                 "%06x", reg->val);
 681         /* get product string */
 682         crom_search_key(cc, CSRKEY_MODEL);
 683         crom_next(cc);
 684         crom_parse_text(cc, sdev->product, sizeof(sdev->product));
 685 }
 686
 687 static void
 688 sbp_login_callout(void *arg)
 689 {
 690         struct sbp_dev *sdev = (struct sbp_dev *)arg;
 691         SBP_LOCK_ASSERT(sdev->target->sbp);
 692         sbp_mgm_orb(sdev, ORB_FUN_LGI, NULL);
 693 }
 694
 695 static void
 696 sbp_login(struct sbp_dev *sdev)
 697 {
 698         struct timeval delta;
 699         struct timeval t;
 700         int ticks = 0;
 701
 702         microtime(&delta);
 703         timevalsub(&delta, &sdev->target->sbp->last_busreset);
 704         t.tv_sec = login_delay / 1000;
 705         t.tv_usec = (login_delay % 1000) * 1000;
 706         timevalsub(&t, &delta);
 707         if (t.tv_sec >= 0 && t.tv_usec > 0)
 708                 ticks = (t.tv_sec * 1000 + t.tv_usec / 1000) * hz / 1000;
 709 SBP_DEBUG(0)
 710         printf("%s: sec = %jd usec = %ld ticks = %d\n", __func__,
 711             (intmax_t)t.tv_sec, t.tv_usec, ticks);
 712 END_DEBUG
 713         callout_reset(&sdev->login_callout, ticks,
 714                         sbp_login_callout, (void *)(sdev));
 715 }
 716
 717 #define SBP_FWDEV_ALIVE(fwdev) (((fwdev)->status == FWDEVATTACHED) \
 718         && crom_has_specver((fwdev)->csrrom, CSRVAL_ANSIT10, CSRVAL_T10SBP2))
 719
 720 static void
 721 sbp_probe_target(void *arg)
 722 {
 723         struct sbp_target *target = (struct sbp_target *)arg;
 724         struct sbp_softc *sbp = target->sbp;
 725         struct sbp_dev *sdev;
 726         int i, alive;
 727
 728         alive = SBP_FWDEV_ALIVE(target->fwdev);
 729 SBP_DEBUG(1)
 730         device_printf(sbp->fd.dev, "%s %d%salive\n",
 731                  __func__, target->target_id,
 732                 (!alive) ? " not " : "");
 733 END_DEBUG
 734
 735         sbp = target->sbp;
 736         SBP_LOCK_ASSERT(sbp);
 737         sbp_alloc_lun(target);
 738
 739         /* XXX untimeout mgm_ocb and dequeue */
 740         for (i=0; i < target->num_lun; i++) {
 741                 sdev = target->luns[i];
 742                 if (sdev == NULL)
 743                         continue;
 744                 if (alive && (sdev->status != SBP_DEV_DEAD)) {
 745                         if (sdev->path != NULL) {
 746                                 xpt_freeze_devq(sdev->path, 1);
 747                                 sdev->freeze ++;
 748                         }
 749                         sbp_probe_lun(sdev);
 750                         sbp_show_sdev_info(sdev);
 751
 752                         sbp_abort_all_ocbs(sdev, CAM_SCSI_BUS_RESET);
 753                         switch (sdev->status) {
 754                         case SBP_DEV_RESET:
 755                                 /* new or revived target */
 756                                 if (auto_login)
 757                                         sbp_login(sdev);
 758                                 break;
 759                         case SBP_DEV_TOATTACH:
 760                         case SBP_DEV_PROBE:
 761                         case SBP_DEV_ATTACHED:
 762                         case SBP_DEV_RETRY:
 763                         default:
 764                                 sbp_mgm_orb(sdev, ORB_FUN_RCN, NULL);
 765                                 break;
 766                         }
 767                 } else {
 768                         switch (sdev->status) {
 769                         case SBP_DEV_ATTACHED:
 770 SBP_DEBUG(0)
 771                                 /* the device has gone */
 772                                 device_printf(sbp->fd.dev, "%s: lost target\n",
 773                                         __func__);
 774 END_DEBUG
 775                                 if (sdev->path) {
 776                                         xpt_freeze_devq(sdev->path, 1);
 777                                         sdev->freeze ++;
 778                                 }
 779                                 sdev->status = SBP_DEV_RETRY;
 780                                 sbp_cam_detach_sdev(sdev);
 781                                 sbp_free_sdev(sdev);
 782                                 target->luns[i] = NULL;
 783                                 break;
 784                         case SBP_DEV_PROBE:
 785                         case SBP_DEV_TOATTACH:
 786                                 sdev->status = SBP_DEV_RESET;
 787                                 break;
 788                         case SBP_DEV_RETRY:
 789                         case SBP_DEV_RESET:
 790                         case SBP_DEV_DEAD:
 791                                 break;
 792                         }
 793                 }
 794         }
 795 }
 796
 797 static void
 798 sbp_post_busreset(void *arg)
 799 {
 800         struct sbp_softc *sbp;
 801
 802         sbp = (struct sbp_softc *)arg;
 803 SBP_DEBUG(0)
 804         printf("sbp_post_busreset\n");
 805 END_DEBUG
 806         SBP_LOCK(sbp);
 807         if ((sbp->sim->flags & SIMQ_FREEZED) == 0) {
 808                 xpt_freeze_simq(sbp->sim, /*count*/1);
 809                 sbp->sim->flags |= SIMQ_FREEZED;
 810         }
 811         microtime(&sbp->last_busreset);
 812         SBP_UNLOCK(sbp);
 813 }
 814
 815 static void
 816 sbp_post_explore(void *arg)
 817 {
 818         struct sbp_softc *sbp = (struct sbp_softc *)arg;
 819         struct sbp_target *target;
 820         struct fw_device *fwdev;
 821         int i, alive;
 822
 823 SBP_DEBUG(0)
 824         printf("sbp_post_explore (sbp_cold=%d)\n", sbp_cold);
 825 END_DEBUG
 826         /* We need physical access */
 827         if (!firewire_phydma_enable)
 828                 return;
 829
 830         if (sbp_cold > 0)
 831                 sbp_cold --;
 832
 833         SBP_LOCK(sbp);
 834 #if 0
 835         /*
 836          * XXX don't let CAM the bus rest.
 837          * CAM tries to do something with freezed (DEV_RETRY) devices.
 838          */
 839         xpt_async(AC_BUS_RESET, sbp->path, /*arg*/ NULL);
 840 #endif
 841
 842         /* Garbage Collection */
 843         for(i = 0 ; i < SBP_NUM_TARGETS ; i ++){
 844                 target = &sbp->targets[i];
 845                 STAILQ_FOREACH(fwdev, &sbp->fd.fc->devices, link)
 846                         if (target->fwdev == NULL || target->fwdev == fwdev)
 847                                 break;
 848                 if (fwdev == NULL) {
 849                         /* device has removed in lower driver */
 850                         sbp_cam_detach_target(target);
 851                         sbp_free_target(target);
 852                 }
 853         }
 854         /* traverse device list */
 855         STAILQ_FOREACH(fwdev, &sbp->fd.fc->devices, link) {
 856 SBP_DEBUG(0)
 857                 device_printf(sbp->fd.dev,"%s:: EUI:%08x%08x %s attached, state=%d\n",
 858                                 __func__, fwdev->eui.hi, fwdev->eui.lo,
 859                                 (fwdev->status != FWDEVATTACHED) ? "not" : "",
 860                                 fwdev->status);
 861 END_DEBUG
 862                 alive = SBP_FWDEV_ALIVE(fwdev);
 863                 for(i = 0 ; i < SBP_NUM_TARGETS ; i ++){
 864                         target = &sbp->targets[i];
 865                         if(target->fwdev == fwdev ) {
 866                                 /* known target */
 867                                 break;
 868                         }
 869                 }
 870                 if(i == SBP_NUM_TARGETS){
 871                         if (alive) {
 872                                 /* new target */
 873                                 target = sbp_alloc_target(sbp, fwdev);
 874                                 if (target == NULL)
 875                                         continue;
 876                         } else {
 877                                 continue;
 878                         }
 879                 }
 880                 sbp_probe_target((void *)target);
 881                 if (target->num_lun == 0)
 882                         sbp_free_target(target);
 883         }
 884         xpt_release_simq(sbp->sim, /*run queue*/TRUE);
 885         sbp->sim->flags &= ~SIMQ_FREEZED;
 886         SBP_UNLOCK(sbp);
 887 }
 888
 889 #if NEED_RESPONSE
 890 static void
 891 sbp_loginres_callback(struct fw_xfer *xfer){
 892         struct sbp_dev *sdev;
 893         sdev = (struct sbp_dev *)xfer->sc;
 894 SBP_DEBUG(1)
 895         device_printf(sdev->target->sbp->fd.dev,"%s\n", __func__);
 896 END_DEBUG
 897         /* recycle */
 898         SBP_LOCK(sdev->target->sbp);
 899         STAILQ_INSERT_TAIL(&sdev->target->sbp->fwb.xferlist, xfer, link);
 900         SBP_UNLOCK(sdev->target->sbp);
 901         return;
 902 }
 903 #endif
 904
 905 static __inline void
 906 sbp_xfer_free(struct fw_xfer *xfer)
 907 {
 908         struct sbp_dev *sdev;
 909
 910         sdev = (struct sbp_dev *)xfer->sc;
 911         fw_xfer_unload(xfer);
 912         SBP_LOCK_ASSERT(sdev->target->sbp);
 913         STAILQ_INSERT_TAIL(&sdev->target->xferlist, xfer, link);
 914 }
 915
 916 static void
 917 sbp_reset_start_callback(struct fw_xfer *xfer)
 918 {
 919         struct sbp_dev *tsdev, *sdev = (struct sbp_dev *)xfer->sc;
 920         struct sbp_target *target = sdev->target;
 921         int i;
 922
 923         if (xfer->resp != 0) {
 924                 device_printf(sdev->target->sbp->fd.dev,
 925                         "%s: %s failed: resp=%d\n", __func__, sdev->bustgtlun, xfer->resp);
 926         }
 927
 928         SBP_LOCK(target->sbp);
 929         for (i = 0; i < target->num_lun; i++) {
 930                 tsdev = target->luns[i];
 931                 if (tsdev != NULL && tsdev->status == SBP_DEV_LOGIN)
 932                         sbp_login(tsdev);
 933         }
 934         SBP_UNLOCK(target->sbp);
 935 }
 936
 937 static void
 938 sbp_reset_start(struct sbp_dev *sdev)
 939 {
 940         struct fw_xfer *xfer;
 941         struct fw_pkt *fp;
 942
 943 SBP_DEBUG(0)
 944         device_printf(sdev->target->sbp->fd.dev,
 945                         "%s:%s\n", __func__,sdev->bustgtlun);
 946 END_DEBUG
 947
 948         xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0);
 949         xfer->hand = sbp_reset_start_callback;
 950         fp = &xfer->send.hdr;
 951         fp->mode.wreqq.dest_hi = 0xffff;
 952         fp->mode.wreqq.dest_lo = 0xf0000000 | RESET_START;
 953         fp->mode.wreqq.data = htonl(0xf);
 954         fw_asyreq(xfer->fc, -1, xfer);
 955 }
 956
 957 static void
 958 sbp_mgm_callback(struct fw_xfer *xfer)
 959 {
 960         struct sbp_dev *sdev;
 961         int resp;
 962
 963         sdev = (struct sbp_dev *)xfer->sc;
 964
 965 SBP_DEBUG(1)
 966         device_printf(sdev->target->sbp->fd.dev,
 967                 "%s:%s\n", __func__, sdev->bustgtlun);
 968 END_DEBUG
 969         resp = xfer->resp;
 970         SBP_LOCK(sdev->target->sbp);
 971         sbp_xfer_free(xfer);
 972         SBP_UNLOCK(sdev->target->sbp);
 973 }
 974
 975 static struct sbp_dev *
 976 sbp_next_dev(struct sbp_target *target, int lun)
 977 {
 978         struct sbp_dev **sdevp;
 979         int i;
 980
 981         for (i = lun, sdevp = &target->luns[lun]; i < target->num_lun;
 982             i++, sdevp++)
 983                 if (*sdevp != NULL && (*sdevp)->status == SBP_DEV_PROBE)
 984                         return(*sdevp);
 985         return(NULL);
 986 }
 987
 988 #define SCAN_PRI 1
 989 static void
 990 sbp_cam_scan_lun(struct cam_periph *periph, union ccb *ccb)
 991 {
 992         struct sbp_target *target;
 993         struct sbp_dev *sdev;
 994
 995         sdev = (struct sbp_dev *) ccb->ccb_h.ccb_sdev_ptr;
 996         target = sdev->target;
 997         SBP_LOCK_ASSERT(target->sbp);
 998 SBP_DEBUG(0)
 999         device_printf(sdev->target->sbp->fd.dev,
1000                 "%s:%s\n", __func__, sdev->bustgtlun);
1001 END_DEBUG
1002         if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
1003                 sdev->status = SBP_DEV_ATTACHED;
1004         } else {
1005                 device_printf(sdev->target->sbp->fd.dev,
1006                         "%s:%s failed\n", __func__, sdev->bustgtlun);
1007         }
1008         sdev = sbp_next_dev(target, sdev->lun_id + 1);
1009         if (sdev == NULL) {
1010                 free(ccb, M_SBP);
1011                 return;
1012         }
1013         /* reuse ccb */
1014         xpt_setup_ccb(&ccb->ccb_h, sdev->path, SCAN_PRI);
1015         ccb->ccb_h.ccb_sdev_ptr = sdev;
1016         xpt_action(ccb);
1017         xpt_release_devq(sdev->path, sdev->freeze, TRUE);
1018         sdev->freeze = 1;
1019 }
1020
1021 static void
1022 sbp_cam_scan_target(void *arg)
1023 {
1024         struct sbp_target *target = (struct sbp_target *)arg;
1025         struct sbp_dev *sdev;
1026         union ccb *ccb;
1027
1028         SBP_LOCK_ASSERT(target->sbp);
1029         sdev = sbp_next_dev(target, 0);
1030         if (sdev == NULL) {
1031                 printf("sbp_cam_scan_target: nothing to do for target%d\n",
1032                                                         target->target_id);
1033                 return;
1034         }
1035 SBP_DEBUG(0)
1036         device_printf(sdev->target->sbp->fd.dev,
1037                 "%s:%s\n", __func__, sdev->bustgtlun);
1038 END_DEBUG
1039         ccb = malloc(sizeof(union ccb), M_SBP, M_NOWAIT | M_ZERO);
1040         if (ccb == NULL) {
1041                 printf("sbp_cam_scan_target: malloc failed\n");
1042                 return;
1043         }
1044         xpt_setup_ccb(&ccb->ccb_h, sdev->path, SCAN_PRI);
1045         ccb->ccb_h.func_code = XPT_SCAN_LUN;
1046         ccb->ccb_h.cbfcnp = sbp_cam_scan_lun;
1047         ccb->ccb_h.flags |= CAM_DEV_QFREEZE;
1048         ccb->crcn.flags = CAM_FLAG_NONE;
1049         ccb->ccb_h.ccb_sdev_ptr = sdev;
1050
1051         /* The scan is in progress now. */
1052         xpt_action(ccb);
1053         xpt_release_devq(sdev->path, sdev->freeze, TRUE);
1054         sdev->freeze = 1;
1055 }
1056
1057 static __inline void
1058 sbp_scan_dev(struct sbp_dev *sdev)
1059 {
1060         sdev->status = SBP_DEV_PROBE;
1061         callout_reset_sbt(&sdev->target->scan_callout, SBT_1MS * scan_delay, 0,
1062             sbp_cam_scan_target, (void *)sdev->target, 0);
1063 }
1064
1065 static void
1066 sbp_do_attach(struct fw_xfer *xfer)
1067 {
1068         struct sbp_dev *sdev;
1069         struct sbp_target *target;
1070         struct sbp_softc *sbp;
1071
1072         sdev = (struct sbp_dev *)xfer->sc;
1073         target = sdev->target;
1074         sbp = target->sbp;
1075         SBP_LOCK(sbp);
1076 SBP_DEBUG(0)
1077         device_printf(sdev->target->sbp->fd.dev,
1078                 "%s:%s\n", __func__, sdev->bustgtlun);
1079 END_DEBUG
1080         sbp_xfer_free(xfer);
1081
1082         if (sdev->path == NULL)
1083                 xpt_create_path(&sdev->path, NULL,
1084                         cam_sim_path(target->sbp->sim),
1085                         target->target_id, sdev->lun_id);
1086
1087         /*
1088          * Let CAM scan the bus if we are in the boot process.
1089          * XXX xpt_scan_bus cannot detect LUN larger than 0
1090          * if LUN 0 doesn't exist.
1091          */
1092         if (sbp_cold > 0) {
1093                 sdev->status = SBP_DEV_ATTACHED;
1094                 SBP_UNLOCK(sbp);
1095                 return;
1096         }
1097
1098         sbp_scan_dev(sdev);
1099         SBP_UNLOCK(sbp);
1100 }
1101
1102 static void
1103 sbp_agent_reset_callback(struct fw_xfer *xfer)
1104 {
1105         struct sbp_dev *sdev;
1106
1107         sdev = (struct sbp_dev *)xfer->sc;
1108 SBP_DEBUG(1)
1109         device_printf(sdev->target->sbp->fd.dev,
1110                         "%s:%s\n", __func__, sdev->bustgtlun);
1111 END_DEBUG
1112         if (xfer->resp != 0) {
1113                 device_printf(sdev->target->sbp->fd.dev,
1114                         "%s:%s resp=%d\n", __func__, sdev->bustgtlun, xfer->resp);
1115         }
1116
1117         SBP_LOCK(sdev->target->sbp);
1118         sbp_xfer_free(xfer);
1119         if (sdev->path) {
1120                 xpt_release_devq(sdev->path, sdev->freeze, TRUE);
1121                 sdev->freeze = 0;
1122         }
1123         SBP_UNLOCK(sdev->target->sbp);
1124 }
1125
1126 static void
1127 sbp_agent_reset(struct sbp_dev *sdev)
1128 {
1129         struct fw_xfer *xfer;
1130         struct fw_pkt *fp;
1131
1132         SBP_LOCK_ASSERT(sdev->target->sbp);
1133 SBP_DEBUG(0)
1134         device_printf(sdev->target->sbp->fd.dev,
1135                 "%s:%s\n", __func__, sdev->bustgtlun);
1136 END_DEBUG
1137         xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0x04);
1138         if (xfer == NULL)
1139                 return;
1140         if (sdev->status == SBP_DEV_ATTACHED || sdev->status == SBP_DEV_PROBE)
1141                 xfer->hand = sbp_agent_reset_callback;
1142         else
1143                 xfer->hand = sbp_do_attach;
1144         fp = &xfer->send.hdr;
1145         fp->mode.wreqq.data = htonl(0xf);
1146         fw_asyreq(xfer->fc, -1, xfer);
1147         sbp_abort_all_ocbs(sdev, CAM_BDR_SENT);
1148 }
1149
1150 static void
1151 sbp_busy_timeout_callback(struct fw_xfer *xfer)
1152 {
1153         struct sbp_dev *sdev;
1154
1155         sdev = (struct sbp_dev *)xfer->sc;
1156 SBP_DEBUG(1)
1157         device_printf(sdev->target->sbp->fd.dev,
1158                 "%s:%s\n", __func__, sdev->bustgtlun);
1159 END_DEBUG
1160         SBP_LOCK(sdev->target->sbp);
1161         sbp_xfer_free(xfer);
1162         sbp_agent_reset(sdev);
1163         SBP_UNLOCK(sdev->target->sbp);
1164 }
1165
1166 static void
1167 sbp_busy_timeout(struct sbp_dev *sdev)
1168 {
1169         struct fw_pkt *fp;
1170         struct fw_xfer *xfer;
1171 SBP_DEBUG(0)
1172         device_printf(sdev->target->sbp->fd.dev,
1173                 "%s:%s\n", __func__, sdev->bustgtlun);
1174 END_DEBUG
1175         xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0);
1176
1177         xfer->hand = sbp_busy_timeout_callback;
1178         fp = &xfer->send.hdr;
1179         fp->mode.wreqq.dest_hi = 0xffff;
1180         fp->mode.wreqq.dest_lo = 0xf0000000 | BUSY_TIMEOUT;
1181         fp->mode.wreqq.data = htonl((1 << (13+12)) | 0xf);
1182         fw_asyreq(xfer->fc, -1, xfer);
1183 }
1184
1185 static void
1186 sbp_orb_pointer_callback(struct fw_xfer *xfer)
1187 {
1188         struct sbp_dev *sdev;
1189         sdev = (struct sbp_dev *)xfer->sc;
1190
1191 SBP_DEBUG(2)
1192         device_printf(sdev->target->sbp->fd.dev,
1193                 "%s:%s\n", __func__, sdev->bustgtlun);
1194 END_DEBUG
1195         if (xfer->resp != 0) {
1196                 /* XXX */
1197                 printf("%s: xfer->resp = %d\n", __func__, xfer->resp);
1198         }
1199         SBP_LOCK(sdev->target->sbp);
1200         sbp_xfer_free(xfer);
1201
1202         sdev->flags &= ~ORB_POINTER_ACTIVE;
1203
1204         if ((sdev->flags & ORB_POINTER_NEED) != 0) {
1205                 struct sbp_ocb *ocb;
1206
1207                 sdev->flags &= ~ORB_POINTER_NEED;
1208                 ocb = STAILQ_FIRST(&sdev->ocbs);
1209                 if (ocb != NULL)
1210                         sbp_orb_pointer(sdev, ocb);
1211         }
1212         SBP_UNLOCK(sdev->target->sbp);
1213         return;
1214 }
1215
1216 static void
1217 sbp_orb_pointer(struct sbp_dev *sdev, struct sbp_ocb *ocb)
1218 {
1219         struct fw_xfer *xfer;
1220         struct fw_pkt *fp;
1221 SBP_DEBUG(1)
1222         device_printf(sdev->target->sbp->fd.dev,
1223                 "%s:%s 0x%08x\n",
1224                 __func__, sdev->bustgtlun,
1225                 (uint32_t)ocb->bus_addr);
1226 END_DEBUG
1227
1228         SBP_LOCK_ASSERT(sdev->target->sbp);
1229
1230         if ((sdev->flags & ORB_POINTER_ACTIVE) != 0) {
1231 SBP_DEBUG(0)
1232                 printf("%s: orb pointer active\n", __func__);
1233 END_DEBUG
1234                 sdev->flags |= ORB_POINTER_NEED;
1235                 return;
1236         }
1237
1238         sdev->flags |= ORB_POINTER_ACTIVE;
1239         xfer = sbp_write_cmd(sdev, FWTCODE_WREQB, 0x08);
1240         if (xfer == NULL)
1241                 return;
1242         xfer->hand = sbp_orb_pointer_callback;
1243
1244         fp = &xfer->send.hdr;
1245         fp->mode.wreqb.len = 8;
1246         fp->mode.wreqb.extcode = 0;
1247         xfer->send.payload[0] =
1248                 htonl(((sdev->target->sbp->fd.fc->nodeid | FWLOCALBUS )<< 16));
1249         xfer->send.payload[1] = htonl((uint32_t)ocb->bus_addr);
1250
1251         if (fw_asyreq(xfer->fc, -1, xfer) != 0) {
1252                 sbp_xfer_free(xfer);
1253                 ocb->ccb->ccb_h.status = CAM_REQ_INVALID;
1254                 xpt_done(ocb->ccb);
1255         }
1256 }
1257
1258 static void
1259 sbp_doorbell_callback(struct fw_xfer *xfer)
1260 {
1261         struct sbp_dev *sdev;
1262         sdev = (struct sbp_dev *)xfer->sc;
1263
1264 SBP_DEBUG(1)
1265         device_printf(sdev->target->sbp->fd.dev,
1266                 "%s:%s\n", __func__, sdev->bustgtlun);
1267 END_DEBUG
1268         if (xfer->resp != 0) {
1269                 /* XXX */
1270                 device_printf(sdev->target->sbp->fd.dev,
1271                         "%s: xfer->resp = %d\n", __func__, xfer->resp);
1272         }
1273         SBP_LOCK(sdev->target->sbp);
1274         sbp_xfer_free(xfer);
1275         sdev->flags &= ~ORB_DOORBELL_ACTIVE;
1276         if ((sdev->flags & ORB_DOORBELL_NEED) != 0) {
1277                 sdev->flags &= ~ORB_DOORBELL_NEED;
1278                 sbp_doorbell(sdev);
1279         }
1280         SBP_UNLOCK(sdev->target->sbp);
1281 }
1282
1283 static void
1284 sbp_doorbell(struct sbp_dev *sdev)
1285 {
1286         struct fw_xfer *xfer;
1287         struct fw_pkt *fp;
1288 SBP_DEBUG(1)
1289         device_printf(sdev->target->sbp->fd.dev,
1290                 "%s:%s\n", __func__, sdev->bustgtlun);
1291 END_DEBUG
1292
1293         if ((sdev->flags & ORB_DOORBELL_ACTIVE) != 0) {
1294                 sdev->flags |= ORB_DOORBELL_NEED;
1295                 return;
1296         }
1297         sdev->flags |= ORB_DOORBELL_ACTIVE;
1298         xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0x10);
1299         if (xfer == NULL)
1300                 return;
1301         xfer->hand = sbp_doorbell_callback;
1302         fp = &xfer->send.hdr;
1303         fp->mode.wreqq.data = htonl(0xf);
1304         fw_asyreq(xfer->fc, -1, xfer);
1305 }
1306
1307 static struct fw_xfer *
1308 sbp_write_cmd(struct sbp_dev *sdev, int tcode, int offset)
1309 {
1310         struct fw_xfer *xfer;
1311         struct fw_pkt *fp;
1312         struct sbp_target *target;
1313         int new = 0;
1314
1315         SBP_LOCK_ASSERT(sdev->target->sbp);
1316
1317         target = sdev->target;
1318         xfer = STAILQ_FIRST(&target->xferlist);
1319         if (xfer == NULL) {
1320                 if (target->n_xfer > 5 /* XXX */) {
1321                         printf("sbp: no more xfer for this target\n");
1322                         return(NULL);
1323                 }
1324                 xfer = fw_xfer_alloc_buf(M_SBP, 8, 0);
1325                 if(xfer == NULL){
1326                         printf("sbp: fw_xfer_alloc_buf failed\n");
1327                         return NULL;
1328                 }
1329                 target->n_xfer ++;
1330                 if (debug)
1331                         printf("sbp: alloc %d xfer\n", target->n_xfer);
1332                 new = 1;
1333         } else {
1334                 STAILQ_REMOVE_HEAD(&target->xferlist, link);
1335         }
1336
1337         if (new) {
1338                 xfer->recv.pay_len = 0;
1339                 xfer->send.spd = min(sdev->target->fwdev->speed, max_speed);
1340                 xfer->fc = sdev->target->sbp->fd.fc;
1341         }
1342
1343         if (tcode == FWTCODE_WREQB)
1344                 xfer->send.pay_len = 8;
1345         else
1346                 xfer->send.pay_len = 0;
1347
1348         xfer->sc = (caddr_t)sdev;
1349         fp = &xfer->send.hdr;
1350         fp->mode.wreqq.dest_hi = sdev->login->cmd_hi;
1351         fp->mode.wreqq.dest_lo = sdev->login->cmd_lo + offset;
1352         fp->mode.wreqq.tlrt = 0;
1353         fp->mode.wreqq.tcode = tcode;
1354         fp->mode.wreqq.pri = 0;
1355         fp->mode.wreqq.dst = FWLOCALBUS | sdev->target->fwdev->dst;
1356
1357         return xfer;
1358 }
1359
1360 static void
1361 sbp_mgm_orb(struct sbp_dev *sdev, int func, struct sbp_ocb *aocb)
1362 {
1363         struct fw_xfer *xfer;
1364         struct fw_pkt *fp;
1365         struct sbp_ocb *ocb;
1366         struct sbp_target *target;
1367         int nid;
1368
1369         target = sdev->target;
1370         nid = target->sbp->fd.fc->nodeid | FWLOCALBUS;
1371
1372         SBP_LOCK_ASSERT(target->sbp);
1373         if (func == ORB_FUN_RUNQUEUE) {
1374                 ocb = STAILQ_FIRST(&target->mgm_ocb_queue);
1375                 if (target->mgm_ocb_cur != NULL || ocb == NULL) {
1376                         return;
1377                 }
1378                 STAILQ_REMOVE_HEAD(&target->mgm_ocb_queue, ocb);
1379                 goto start;
1380         }
1381         if ((ocb = sbp_get_ocb(sdev)) == NULL) {
1382                 /* XXX */
1383                 return;
1384         }
1385         ocb->flags = OCB_ACT_MGM;
1386         ocb->sdev = sdev;
1387
1388         bzero((void *)ocb->orb, sizeof(ocb->orb));
1389         ocb->orb[6] = htonl((nid << 16) | SBP_BIND_HI);
1390         ocb->orb[7] = htonl(SBP_DEV2ADDR(target->target_id, sdev->lun_id));
1391
1392 SBP_DEBUG(0)
1393         device_printf(sdev->target->sbp->fd.dev,
1394                  "%s:%s %s\n",
1395                  __func__,sdev->bustgtlun,
1396                  orb_fun_name[(func>>16)&0xf]);
1397 END_DEBUG
1398         switch (func) {
1399         case ORB_FUN_LGI:
1400                 ocb->orb[0] = ocb->orb[1] = 0; /* password */
1401                 ocb->orb[2] = htonl(nid << 16);
1402                 ocb->orb[3] = htonl(sdev->dma.bus_addr);
1403                 ocb->orb[4] = htonl(ORB_NOTIFY | sdev->lun_id);
1404                 if (ex_login)
1405                         ocb->orb[4] |= htonl(ORB_EXV);
1406                 ocb->orb[5] = htonl(SBP_LOGIN_SIZE);
1407                 fwdma_sync(&sdev->dma, BUS_DMASYNC_PREREAD);
1408                 break;
1409         case ORB_FUN_ATA:
1410                 ocb->orb[0] = htonl((0 << 16) | 0);
1411                 ocb->orb[1] = htonl(aocb->bus_addr & 0xffffffff);
1412                 /* fall through */
1413         case ORB_FUN_RCN:
1414         case ORB_FUN_LGO:
1415         case ORB_FUN_LUR:
1416         case ORB_FUN_RST:
1417         case ORB_FUN_ATS:
1418                 ocb->orb[4] = htonl(ORB_NOTIFY | func | sdev->login->id);
1419                 break;
1420         }
1421
1422         if (target->mgm_ocb_cur != NULL) {
1423                 /* there is a standing ORB */
1424                 STAILQ_INSERT_TAIL(&sdev->target->mgm_ocb_queue, ocb, ocb);
1425                 return;
1426         }
1427 start:
1428         target->mgm_ocb_cur = ocb;
1429
1430         callout_reset(&target->mgm_ocb_timeout, 5 * hz,
1431                                 sbp_mgm_timeout, (caddr_t)ocb);
1432         xfer = sbp_write_cmd(sdev, FWTCODE_WREQB, 0);
1433         if(xfer == NULL){
1434                 return;
1435         }
1436         xfer->hand = sbp_mgm_callback;
1437
1438         fp = &xfer->send.hdr;
1439         fp->mode.wreqb.dest_hi = sdev->target->mgm_hi;
1440         fp->mode.wreqb.dest_lo = sdev->target->mgm_lo;
1441         fp->mode.wreqb.len = 8;
1442         fp->mode.wreqb.extcode = 0;
1443         xfer->send.payload[0] = htonl(nid << 16);
1444         xfer->send.payload[1] = htonl(ocb->bus_addr & 0xffffffff);
1445
1446         fw_asyreq(xfer->fc, -1, xfer);
1447 }
1448
1449 static void
1450 sbp_print_scsi_cmd(struct sbp_ocb *ocb)
1451 {
1452         struct ccb_scsiio *csio;
1453
1454         csio = &ocb->ccb->csio;
1455         printf("%s:%d:%d XPT_SCSI_IO: "
1456                 "cmd: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x"
1457                 ", flags: 0x%02x, "
1458                 "%db cmd/%db data/%db sense\n",
1459                 device_get_nameunit(ocb->sdev->target->sbp->fd.dev),
1460                 ocb->ccb->ccb_h.target_id, ocb->ccb->ccb_h.target_lun,
1461                 csio->cdb_io.cdb_bytes[0],
1462                 csio->cdb_io.cdb_bytes[1],
1463                 csio->cdb_io.cdb_bytes[2],
1464                 csio->cdb_io.cdb_bytes[3],
1465                 csio->cdb_io.cdb_bytes[4],
1466                 csio->cdb_io.cdb_bytes[5],
1467                 csio->cdb_io.cdb_bytes[6],
1468                 csio->cdb_io.cdb_bytes[7],
1469                 csio->cdb_io.cdb_bytes[8],
1470                 csio->cdb_io.cdb_bytes[9],
1471                 ocb->ccb->ccb_h.flags & CAM_DIR_MASK,
1472                 csio->cdb_len, csio->dxfer_len,
1473                 csio->sense_len);
1474 }
1475
1476 static void
1477 sbp_scsi_status(struct sbp_status *sbp_status, struct sbp_ocb *ocb)
1478 {
1479         struct sbp_cmd_status *sbp_cmd_status;
1480         struct scsi_sense_data_fixed *sense;
1481
1482         sbp_cmd_status = (struct sbp_cmd_status *)sbp_status->data;
1483         sense = (struct scsi_sense_data_fixed *)&ocb->ccb->csio.sense_data;
1484
1485 SBP_DEBUG(0)
1486         sbp_print_scsi_cmd(ocb);
1487         /* XXX need decode status */
1488         printf("%s: SCSI status %x sfmt %x valid %x key %x code %x qlfr %x len %d\n",
1489                 ocb->sdev->bustgtlun,
1490                 sbp_cmd_status->status,
1491                 sbp_cmd_status->sfmt,
1492                 sbp_cmd_status->valid,
1493                 sbp_cmd_status->s_key,
1494                 sbp_cmd_status->s_code,
1495                 sbp_cmd_status->s_qlfr,
1496                 sbp_status->len);
1497 END_DEBUG
1498
1499         switch (sbp_cmd_status->status) {
1500         case SCSI_STATUS_CHECK_COND:
1501         case SCSI_STATUS_BUSY:
1502         case SCSI_STATUS_CMD_TERMINATED:
1503                 if(sbp_cmd_status->sfmt == SBP_SFMT_CURR){
1504                         sense->error_code = SSD_CURRENT_ERROR;
1505                 }else{
1506                         sense->error_code = SSD_DEFERRED_ERROR;
1507                 }
1508                 if(sbp_cmd_status->valid)
1509                         sense->error_code |= SSD_ERRCODE_VALID;
1510                 sense->flags = sbp_cmd_status->s_key;
1511                 if(sbp_cmd_status->mark)
1512                         sense->flags |= SSD_FILEMARK;
1513                 if(sbp_cmd_status->eom)
1514                         sense->flags |= SSD_EOM;
1515                 if(sbp_cmd_status->ill_len)
1516                         sense->flags |= SSD_ILI;
1517
1518                 bcopy(&sbp_cmd_status->info, &sense->info[0], 4);
1519
1520                 if (sbp_status->len <= 1)
1521                         /* XXX not scsi status. shouldn't be happened */
1522                         sense->extra_len = 0;
1523                 else if (sbp_status->len <= 4)
1524                         /* add_sense_code(_qual), info, cmd_spec_info */
1525                         sense->extra_len = 6;
1526                 else
1527                         /* fru, sense_key_spec */
1528                         sense->extra_len = 10;
1529
1530                 bcopy(&sbp_cmd_status->cdb, &sense->cmd_spec_info[0], 4);
1531
1532                 sense->add_sense_code = sbp_cmd_status->s_code;
1533                 sense->add_sense_code_qual = sbp_cmd_status->s_qlfr;
1534                 sense->fru = sbp_cmd_status->fru;
1535
1536                 bcopy(&sbp_cmd_status->s_keydep[0],
1537                     &sense->sense_key_spec[0], 3);
1538
1539                 ocb->ccb->csio.scsi_status = sbp_cmd_status->status;
1540                 ocb->ccb->ccb_h.status = CAM_SCSI_STATUS_ERROR
1541                                                         | CAM_AUTOSNS_VALID;
1542 /*
1543 {
1544                 uint8_t j, *tmp;
1545                 tmp = sense;
1546                 for( j = 0 ; j < 32 ; j+=8){
1547                         printf("sense %02x%02x %02x%02x %02x%02x %02x%02x\n",
1548                                 tmp[j], tmp[j+1], tmp[j+2], tmp[j+3],
1549                                 tmp[j+4], tmp[j+5], tmp[j+6], tmp[j+7]);
1550                 }
1551
1552 }
1553 */
1554                 break;
1555         default:
1556                 device_printf(ocb->sdev->target->sbp->fd.dev,
1557                                 "%s:%s unknown scsi status 0x%x\n",
1558                                 __func__, ocb->sdev->bustgtlun,
1559                                 sbp_cmd_status->status);
1560         }
1561 }
1562
1563 static void
1564 sbp_fix_inq_data(struct sbp_ocb *ocb)
1565 {
1566         union ccb *ccb;
1567         struct sbp_dev *sdev;
1568         struct scsi_inquiry_data *inq;
1569
1570         ccb = ocb->ccb;
1571         sdev = ocb->sdev;
1572
1573         if (ccb->csio.cdb_io.cdb_bytes[1] & SI_EVPD)
1574                 return;
1575 SBP_DEBUG(1)
1576         device_printf(sdev->target->sbp->fd.dev,
1577                 "%s:%s\n", __func__, sdev->bustgtlun);
1578 END_DEBUG
1579         inq = (struct scsi_inquiry_data *) ccb->csio.data_ptr;
1580         switch (SID_TYPE(inq)) {
1581         case T_DIRECT:
1582 #if 0
1583                 /*
1584                  * XXX Convert Direct Access device to RBC.
1585                  * I've never seen FireWire DA devices which support READ_6.
1586                  */
1587                 if (SID_TYPE(inq) == T_DIRECT)
1588                         inq->device |= T_RBC; /*  T_DIRECT == 0 */
1589 #endif
1590                 /* fall through */
1591         case T_RBC:
1592                 /*
1593                  * Override vendor/product/revision information.
1594                  * Some devices sometimes return strange strings.
1595                  */
1596 #if 1
1597                 bcopy(sdev->vendor, inq->vendor, sizeof(inq->vendor));
1598                 bcopy(sdev->product, inq->product, sizeof(inq->product));
1599                 bcopy(sdev->revision+2, inq->revision, sizeof(inq->revision));
1600 #endif
1601                 break;
1602         }
1603         /*
1604          * Force to enable/disable tagged queuing.
1605          * XXX CAM also checks SCP_QUEUE_DQUE flag in the control mode page.
1606          */
1607         if (sbp_tags > 0)
1608                 inq->flags |= SID_CmdQue;
1609         else if (sbp_tags < 0)
1610                 inq->flags &= ~SID_CmdQue;
1611
1612 }
1613
1614 static void
1615 sbp_recv1(struct fw_xfer *xfer)
1616 {
1617         struct fw_pkt *rfp;
1618 #if NEED_RESPONSE
1619         struct fw_pkt *sfp;
1620 #endif
1621         struct sbp_softc *sbp;
1622         struct sbp_dev *sdev;
1623         struct sbp_ocb *ocb;
1624         struct sbp_login_res *login_res = NULL;
1625         struct sbp_status *sbp_status;
1626         struct sbp_target *target;
1627         int     orb_fun, status_valid0, status_valid, t, l, reset_agent = 0;
1628         uint32_t addr;
1629 /*
1630         uint32_t *ld;
1631         ld = xfer->recv.buf;
1632 printf("sbp %x %d %d %08x %08x %08x %08x\n",
1633                         xfer->resp, xfer->recv.len, xfer->recv.off, ntohl(ld[0]), ntohl(ld[1]), ntohl(ld[2]), ntohl(ld[3]));
1634 printf("sbp %08x %08x %08x %08x\n", ntohl(ld[4]), ntohl(ld[5]), ntohl(ld[6]), ntohl(ld[7]));
1635 printf("sbp %08x %08x %08x %08x\n", ntohl(ld[8]), ntohl(ld[9]), ntohl(ld[10]), ntohl(ld[11]));
1636 */
1637         sbp = (struct sbp_softc *)xfer->sc;
1638         SBP_LOCK_ASSERT(sbp);
1639         if (xfer->resp != 0){
1640                 printf("sbp_recv: xfer->resp = %d\n", xfer->resp);
1641                 goto done0;
1642         }
1643         if (xfer->recv.payload == NULL){
1644                 printf("sbp_recv: xfer->recv.payload == NULL\n");
1645                 goto done0;
1646         }
1647         rfp = &xfer->recv.hdr;
1648         if(rfp->mode.wreqb.tcode != FWTCODE_WREQB){
1649                 printf("sbp_recv: tcode = %d\n", rfp->mode.wreqb.tcode);
1650                 goto done0;
1651         }
1652         sbp_status = (struct sbp_status *)xfer->recv.payload;
1653         addr = rfp->mode.wreqb.dest_lo;
1654 SBP_DEBUG(2)
1655         printf("received address 0x%x\n", addr);
1656 END_DEBUG
1657         t = SBP_ADDR2TRG(addr);
1658         if (t >= SBP_NUM_TARGETS) {
1659                 device_printf(sbp->fd.dev,
1660                         "sbp_recv1: invalid target %d\n", t);
1661                 goto done0;
1662         }
1663         target = &sbp->targets[t];
1664         l = SBP_ADDR2LUN(addr);
1665         if (l >= target->num_lun || target->luns[l] == NULL) {
1666                 device_printf(sbp->fd.dev,
1667                         "sbp_recv1: invalid lun %d (target=%d)\n", l, t);
1668                 goto done0;
1669         }
1670         sdev = target->luns[l];
1671
1672         ocb = NULL;
1673         switch (sbp_status->src) {
1674         case 0:
1675         case 1:
1676                 /* check mgm_ocb_cur first */
1677                 ocb  = target->mgm_ocb_cur;
1678                 if (ocb != NULL) {
1679                         if (OCB_MATCH(ocb, sbp_status)) {
1680                                 callout_stop(&target->mgm_ocb_timeout);
1681                                 target->mgm_ocb_cur = NULL;
1682                                 break;
1683                         }
1684                 }
1685                 ocb = sbp_dequeue_ocb(sdev, sbp_status);
1686                 if (ocb == NULL) {
1687                         device_printf(sdev->target->sbp->fd.dev,
1688 #if defined(__DragonFly__) || __FreeBSD_version < 500000
1689                                 "%s:%s No ocb(%lx) on the queue\n",
1690 #else
1691                                 "%s:%s No ocb(%x) on the queue\n",
1692 #endif
1693                                 __func__,sdev->bustgtlun,
1694                                 ntohl(sbp_status->orb_lo));
1695                 }
1696                 break;
1697         case 2:
1698                 /* unsolicit */
1699                 device_printf(sdev->target->sbp->fd.dev,
1700                         "%s:%s unsolicit status received\n",
1701                         __func__, sdev->bustgtlun);
1702                 break;
1703         default:
1704                 device_printf(sdev->target->sbp->fd.dev,
1705                         "%s:%s unknown sbp_status->src\n",
1706                         __func__, sdev->bustgtlun);
1707         }
1708
1709         status_valid0 = (sbp_status->src < 2
1710                         && sbp_status->resp == ORB_RES_CMPL
1711                         && sbp_status->dead == 0);
1712         status_valid = (status_valid0 && sbp_status->status == 0);
1713
1714         if (!status_valid0 || debug > 2){
1715                 int status;
1716 SBP_DEBUG(0)
1717                 device_printf(sdev->target->sbp->fd.dev,
1718                         "%s:%s ORB status src:%x resp:%x dead:%x"
1719 #if defined(__DragonFly__) || __FreeBSD_version < 500000
1720                                 " len:%x stat:%x orb:%x%08lx\n",
1721 #else
1722                                 " len:%x stat:%x orb:%x%08x\n",
1723 #endif
1724                         __func__, sdev->bustgtlun,
1725                         sbp_status->src, sbp_status->resp, sbp_status->dead,
1726                         sbp_status->len, sbp_status->status,
1727                         ntohs(sbp_status->orb_hi), ntohl(sbp_status->orb_lo));
1728 END_DEBUG
1729                 device_printf(sdev->target->sbp->fd.dev,
1730                                 "%s\n", sdev->bustgtlun);
1731                 status = sbp_status->status;
1732                 switch(sbp_status->resp) {
1733                 case 0:
1734                         if (status > MAX_ORB_STATUS0)
1735                                 printf("%s\n", orb_status0[MAX_ORB_STATUS0]);
1736                         else
1737                                 printf("%s\n", orb_status0[status]);
1738                         break;
1739                 case 1:
1740                         printf("Obj: %s, Error: %s\n",
1741                                 orb_status1_object[(status>>6) & 3],
1742                                 orb_status1_serial_bus_error[status & 0xf]);
1743                         break;
1744                 case 2:
1745                         printf("Illegal request\n");
1746                         break;
1747                 case 3:
1748                         printf("Vendor dependent\n");
1749                         break;
1750                 default:
1751                         printf("unknown respose code %d\n", sbp_status->resp);
1752                 }
1753         }
1754
1755         /* we have to reset the fetch agent if it's dead */
1756         if (sbp_status->dead) {
1757                 if (sdev->path) {
1758                         xpt_freeze_devq(sdev->path, 1);
1759                         sdev->freeze ++;
1760                 }
1761                 reset_agent = 1;
1762         }
1763
1764         if (ocb == NULL)
1765                 goto done;
1766
1767         switch(ntohl(ocb->orb[4]) & ORB_FMT_MSK){
1768         case ORB_FMT_NOP:
1769                 break;
1770         case ORB_FMT_VED:
1771                 break;
1772         case ORB_FMT_STD:
1773                 switch(ocb->flags) {
1774                 case OCB_ACT_MGM:
1775                         orb_fun = ntohl(ocb->orb[4]) & ORB_FUN_MSK;
1776                         reset_agent = 0;
1777                         switch(orb_fun) {
1778                         case ORB_FUN_LGI:
1779                                 fwdma_sync(&sdev->dma, BUS_DMASYNC_POSTREAD);
1780                                 login_res = sdev->login;
1781                                 login_res->len = ntohs(login_res->len);
1782                                 login_res->id = ntohs(login_res->id);
1783                                 login_res->cmd_hi = ntohs(login_res->cmd_hi);
1784                                 login_res->cmd_lo = ntohl(login_res->cmd_lo);
1785                                 if (status_valid) {
1786 SBP_DEBUG(0)
1787                                         device_printf(sdev->target->sbp->fd.dev,
1788                                                 "%s:%s login: len %d, ID %d, cmd %08x%08x, recon_hold %d\n",
1789                                                 __func__, sdev->bustgtlun,
1790                                                 login_res->len, login_res->id,
1791                                                 login_res->cmd_hi, login_res->cmd_lo,
1792                                                 ntohs(login_res->recon_hold));
1793 END_DEBUG
1794                                         sbp_busy_timeout(sdev);
1795                                 } else {
1796                                         /* forgot logout? */
1797                                         device_printf(sdev->target->sbp->fd.dev,
1798                                                 "%s:%s login failed\n",
1799                                                 __func__, sdev->bustgtlun);
1800                                         sdev->status = SBP_DEV_RESET;
1801                                 }
1802                                 break;
1803                         case ORB_FUN_RCN:
1804                                 login_res = sdev->login;
1805                                 if (status_valid) {
1806 SBP_DEBUG(0)
1807                                         device_printf(sdev->target->sbp->fd.dev,
1808                                                 "%s:%s reconnect: len %d, ID %d, cmd %08x%08x\n",
1809                                                 __func__, sdev->bustgtlun,
1810                                                 login_res->len, login_res->id,
1811                                                 login_res->cmd_hi, login_res->cmd_lo);
1812 END_DEBUG
1813                                         if (sdev->status == SBP_DEV_ATTACHED)
1814                                                 sbp_scan_dev(sdev);
1815                                         else
1816                                                 sbp_agent_reset(sdev);
1817                                 } else {
1818                                         /* reconnection hold time exceed? */
1819 SBP_DEBUG(0)
1820                                         device_printf(sdev->target->sbp->fd.dev,
1821                                                 "%s:%s reconnect failed\n",
1822                                                 __func__, sdev->bustgtlun);
1823 END_DEBUG
1824                                         sbp_login(sdev);
1825                                 }
1826                                 break;
1827                         case ORB_FUN_LGO:
1828                                 sdev->status = SBP_DEV_RESET;
1829                                 break;
1830                         case ORB_FUN_RST:
1831                                 sbp_busy_timeout(sdev);
1832                                 break;
1833                         case ORB_FUN_LUR:
1834                         case ORB_FUN_ATA:
1835                         case ORB_FUN_ATS:
1836                                 sbp_agent_reset(sdev);
1837                                 break;
1838                         default:
1839                                 device_printf(sdev->target->sbp->fd.dev,
1840                                         "%s:%s unknown function %d\n",
1841                                         __func__, sdev->bustgtlun, orb_fun);
1842                                 break;
1843                         }
1844                         sbp_mgm_orb(sdev, ORB_FUN_RUNQUEUE, NULL);
1845                         break;
1846                 case OCB_ACT_CMD:
1847                         sdev->timeout = 0;
1848                         if(ocb->ccb != NULL){
1849                                 union ccb *ccb;
1850
1851                                 ccb = ocb->ccb;
1852                                 if(sbp_status->len > 1){
1853                                         sbp_scsi_status(sbp_status, ocb);
1854                                 }else{
1855                                         if(sbp_status->resp != ORB_RES_CMPL){
1856                                                 ccb->ccb_h.status = CAM_REQ_CMP_ERR;
1857                                         }else{
1858                                                 ccb->ccb_h.status = CAM_REQ_CMP;
1859                                         }
1860                                 }
1861                                 /* fix up inq data */
1862                                 if (ccb->csio.cdb_io.cdb_bytes[0] == INQUIRY)
1863                                         sbp_fix_inq_data(ocb);
1864                                 xpt_done(ccb);
1865                         }
1866                         break;
1867                 default:
1868                         break;
1869                 }
1870         }
1871
1872         if (!use_doorbell)
1873                 sbp_free_ocb(sdev, ocb);
1874 done:
1875         if (reset_agent)
1876                 sbp_agent_reset(sdev);
1877
1878 done0:
1879         xfer->recv.pay_len = SBP_RECV_LEN;
1880 /* The received packet is usually small enough to be stored within
1881  * the buffer. In that case, the controller return ack_complete and
1882  * no respose is necessary.
1883  *
1884  * XXX fwohci.c and firewire.c should inform event_code such as
1885  * ack_complete or ack_pending to upper driver.
1886  */
1887 #if NEED_RESPONSE
1888         xfer->send.off = 0;
1889         sfp = (struct fw_pkt *)xfer->send.buf;
1890         sfp->mode.wres.dst = rfp->mode.wreqb.src;
1891         xfer->dst = sfp->mode.wres.dst;
1892         xfer->spd = min(sdev->target->fwdev->speed, max_speed);
1893         xfer->hand = sbp_loginres_callback;
1894
1895         sfp->mode.wres.tlrt = rfp->mode.wreqb.tlrt;
1896         sfp->mode.wres.tcode = FWTCODE_WRES;
1897         sfp->mode.wres.rtcode = 0;
1898         sfp->mode.wres.pri = 0;
1899
1900         fw_asyreq(xfer->fc, -1, xfer);
1901 #else
1902         /* recycle */
1903         STAILQ_INSERT_TAIL(&sbp->fwb.xferlist, xfer, link);
1904 #endif
1905 }
1906
1907 static void
1908 sbp_recv(struct fw_xfer *xfer)
1909 {
1910         struct sbp_softc *sbp;
1911
1912         sbp = (struct sbp_softc *)xfer->sc;
1913         SBP_LOCK(sbp);
1914         sbp_recv1(xfer);
1915         SBP_UNLOCK(sbp);
1916 }
1917 /*
1918  * sbp_attach()
1919  */
1920 static int
1921 sbp_attach(device_t dev)
1922 {
1923         struct sbp_softc *sbp;
1924         struct cam_devq *devq;
1925         struct firewire_comm *fc;
1926         int i, error;
1927
1928         if (DFLTPHYS > SBP_MAXPHYS)
1929                 device_printf(dev, "Warning, DFLTPHYS(%dKB) is larger than "
1930                         "SBP_MAXPHYS(%dKB).\n", DFLTPHYS / 1024,
1931                         SBP_MAXPHYS / 1024);
1932
1933         if (!firewire_phydma_enable)
1934                 device_printf(dev, "Warning, hw.firewire.phydma_enable must be 1 "
1935                         "for SBP over FireWire.\n");
1936 SBP_DEBUG(0)
1937         printf("sbp_attach (cold=%d)\n", cold);
1938 END_DEBUG
1939
1940         if (cold)
1941                 sbp_cold ++;
1942         sbp = device_get_softc(dev);
1943         sbp->fd.dev = dev;
1944         sbp->fd.fc = fc = device_get_ivars(dev);
1945         mtx_init(&sbp->mtx, "sbp", NULL, MTX_DEF);
1946
1947         if (max_speed < 0)
1948                 max_speed = fc->speed;
1949
1950         error = bus_dma_tag_create(/*parent*/fc->dmat,
1951                                 /* XXX shoud be 4 for sane backend? */
1952                                 /*alignment*/1,
1953                                 /*boundary*/0,
1954                                 /*lowaddr*/BUS_SPACE_MAXADDR_32BIT,
1955                                 /*highaddr*/BUS_SPACE_MAXADDR,
1956                                 /*filter*/NULL, /*filterarg*/NULL,
1957                                 /*maxsize*/0x100000, /*nsegments*/SBP_IND_MAX,
1958                                 /*maxsegsz*/SBP_SEG_MAX,
1959                                 /*flags*/BUS_DMA_ALLOCNOW,
1960 #if defined(__FreeBSD__) && __FreeBSD_version >= 501102
1961                                 /*lockfunc*/busdma_lock_mutex,
1962                                 /*lockarg*/&sbp->mtx,
1963 #endif
1964                                 &sbp->dmat);
1965         if (error != 0) {
1966                 printf("sbp_attach: Could not allocate DMA tag "
1967                         "- error %d\n", error);
1968                         return (ENOMEM);
1969         }
1970
1971         devq = cam_simq_alloc(/*maxopenings*/SBP_NUM_OCB);
1972         if (devq == NULL)
1973                 return (ENXIO);
1974
1975         for( i = 0 ; i < SBP_NUM_TARGETS ; i++){
1976                 sbp->targets[i].fwdev = NULL;
1977                 sbp->targets[i].luns = NULL;
1978         }
1979
1980         sbp->sim = cam_sim_alloc(sbp_action, sbp_poll, "sbp", sbp,
1981                                  device_get_unit(dev),
1982                                  &sbp->mtx,
1983                                  /*untagged*/ 1,
1984                                  /*tagged*/ SBP_QUEUE_LEN - 1,
1985                                  devq);
1986
1987         if (sbp->sim == NULL) {
1988                 cam_simq_free(devq);
1989                 return (ENXIO);
1990         }
1991
1992         SBP_LOCK(sbp);
1993         if (xpt_bus_register(sbp->sim, dev, /*bus*/0) != CAM_SUCCESS)
1994                 goto fail;
1995
1996         if (xpt_create_path(&sbp->path, NULL, cam_sim_path(sbp->sim),
1997             CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
1998                 xpt_bus_deregister(cam_sim_path(sbp->sim));
1999                 goto fail;
2000         }
2001         SBP_UNLOCK(sbp);
2002
2003         /* We reserve 16 bit space (4 bytes X 64 targets X 256 luns) */
2004         sbp->fwb.start = ((u_int64_t)SBP_BIND_HI << 32) | SBP_DEV2ADDR(0, 0);
2005         sbp->fwb.end = sbp->fwb.start + 0xffff;
2006         /* pre-allocate xfer */
2007         STAILQ_INIT(&sbp->fwb.xferlist);
2008         fw_xferlist_add(&sbp->fwb.xferlist, M_SBP,
2009             /*send*/ 0, /*recv*/ SBP_RECV_LEN, SBP_NUM_OCB/2,
2010             fc, (void *)sbp, sbp_recv);
2011
2012         fw_bindadd(fc, &sbp->fwb);
2013
2014         sbp->fd.post_busreset = sbp_post_busreset;
2015         sbp->fd.post_explore = sbp_post_explore;
2016
2017         if (fc->status != -1) {
2018                 sbp_post_busreset((void *)sbp);
2019                 sbp_post_explore((void *)sbp);
2020         }
2021         SBP_LOCK(sbp);
2022         xpt_async(AC_BUS_RESET, sbp->path, /*arg*/ NULL);
2023         SBP_UNLOCK(sbp);
2024
2025         return (0);
2026 fail:
2027         SBP_UNLOCK(sbp);
2028         cam_sim_free(sbp->sim, /*free_devq*/TRUE);
2029         return (ENXIO);
2030 }
2031
2032 static int
2033 sbp_logout_all(struct sbp_softc *sbp)
2034 {
2035         struct sbp_target *target;
2036         struct sbp_dev *sdev;
2037         int i, j;
2038
2039 SBP_DEBUG(0)
2040         printf("sbp_logout_all\n");
2041 END_DEBUG
2042         SBP_LOCK_ASSERT(sbp);
2043         for (i = 0 ; i < SBP_NUM_TARGETS ; i ++) {
2044                 target = &sbp->targets[i];
2045                 if (target->luns == NULL)
2046                         continue;
2047                 for (j = 0; j < target->num_lun; j++) {
2048                         sdev = target->luns[j];
2049                         if (sdev == NULL)
2050                                 continue;
2051                         callout_stop(&sdev->login_callout);
2052                         if (sdev->status >= SBP_DEV_TOATTACH &&
2053                                         sdev->status <= SBP_DEV_ATTACHED)
2054                                 sbp_mgm_orb(sdev, ORB_FUN_LGO, NULL);
2055                 }
2056         }
2057
2058         return 0;
2059 }
2060
2061 static int
2062 sbp_shutdown(device_t dev)
2063 {
2064         struct sbp_softc *sbp = ((struct sbp_softc *)device_get_softc(dev));
2065
2066         SBP_LOCK(sbp);
2067         sbp_logout_all(sbp);
2068         SBP_UNLOCK(sbp);
2069         return (0);
2070 }
2071
2072 static void
2073 sbp_free_sdev(struct sbp_dev *sdev)
2074 {
2075         struct sbp_softc *sbp;
2076         int i;
2077
2078         if (sdev == NULL)
2079                 return;
2080         sbp = sdev->target->sbp;
2081         SBP_UNLOCK(sbp);
2082         callout_drain(&sdev->login_callout);
2083         for (i = 0; i < SBP_QUEUE_LEN; i++) {
2084                 callout_drain(&sdev->ocb[i].timer);
2085                 bus_dmamap_destroy(sbp->dmat, sdev->ocb[i].dmamap);
2086         }
2087         fwdma_free(sbp->fd.fc, &sdev->dma);
2088         free(sdev, M_SBP);
2089         SBP_LOCK(sbp);
2090 }
2091
2092 static void
2093 sbp_free_target(struct sbp_target *target)
2094 {
2095         struct sbp_softc *sbp;
2096         struct fw_xfer *xfer, *next;
2097         int i;
2098
2099         if (target->luns == NULL)
2100                 return;
2101         sbp = target->sbp;
2102         SBP_LOCK_ASSERT(sbp);
2103         SBP_UNLOCK(sbp);
2104         callout_drain(&target->mgm_ocb_timeout);
2105         callout_drain(&target->scan_callout);
2106         SBP_LOCK(sbp);
2107         for (i = 0; i < target->num_lun; i++)
2108                 sbp_free_sdev(target->luns[i]);
2109
2110         STAILQ_FOREACH_SAFE(xfer, &target->xferlist, link, next) {
2111                 fw_xfer_free_buf(xfer);
2112         }
2113         STAILQ_INIT(&target->xferlist);
2114         free(target->luns, M_SBP);
2115         target->num_lun = 0;
2116         target->luns = NULL;
2117         target->fwdev = NULL;
2118 }
2119
2120 static int
2121 sbp_detach(device_t dev)
2122 {
2123         struct sbp_softc *sbp = ((struct sbp_softc *)device_get_softc(dev));
2124         struct firewire_comm *fc = sbp->fd.fc;
2125         int i;
2126
2127 SBP_DEBUG(0)
2128         printf("sbp_detach\n");
2129 END_DEBUG
2130
2131         SBP_LOCK(sbp);
2132         for (i = 0; i < SBP_NUM_TARGETS; i ++)
2133                 sbp_cam_detach_target(&sbp->targets[i]);
2134
2135         xpt_async(AC_LOST_DEVICE, sbp->path, NULL);
2136         xpt_free_path(sbp->path);
2137         xpt_bus_deregister(cam_sim_path(sbp->sim));
2138         cam_sim_free(sbp->sim, /*free_devq*/ TRUE);
2139
2140         sbp_logout_all(sbp);
2141         SBP_UNLOCK(sbp);
2142
2143         /* XXX wait for logout completion */
2144         pause("sbpdtc", hz/2);
2145
2146         SBP_LOCK(sbp);
2147         for (i = 0 ; i < SBP_NUM_TARGETS ; i ++)
2148                 sbp_free_target(&sbp->targets[i]);
2149         SBP_UNLOCK(sbp);
2150
2151         fw_bindremove(fc, &sbp->fwb);
2152         fw_xferlist_remove(&sbp->fwb.xferlist);
2153
2154         bus_dma_tag_destroy(sbp->dmat);
2155         mtx_destroy(&sbp->mtx);
2156
2157         return (0);
2158 }
2159
2160 static void
2161 sbp_cam_detach_sdev(struct sbp_dev *sdev)
2162 {
2163         if (sdev == NULL)
2164                 return;
2165         if (sdev->status == SBP_DEV_DEAD)
2166                 return;
2167         if (sdev->status == SBP_DEV_RESET)
2168                 return;
2169         SBP_LOCK_ASSERT(sdev->target->sbp);
2170         sbp_abort_all_ocbs(sdev, CAM_DEV_NOT_THERE);
2171         if (sdev->path) {
2172                 xpt_release_devq(sdev->path,
2173                                  sdev->freeze, TRUE);
2174                 sdev->freeze = 0;
2175                 xpt_async(AC_LOST_DEVICE, sdev->path, NULL);
2176                 xpt_free_path(sdev->path);
2177                 sdev->path = NULL;
2178         }
2179 }
2180
2181 static void
2182 sbp_cam_detach_target(struct sbp_target *target)
2183 {
2184         int i;
2185
2186         SBP_LOCK_ASSERT(target->sbp);
2187         if (target->luns != NULL) {
2188 SBP_DEBUG(0)
2189                 printf("sbp_detach_target %d\n", target->target_id);
2190 END_DEBUG
2191                 callout_stop(&target->scan_callout);
2192                 for (i = 0; i < target->num_lun; i++)
2193                         sbp_cam_detach_sdev(target->luns[i]);
2194         }
2195 }
2196
2197 static void
2198 sbp_target_reset(struct sbp_dev *sdev, int method)
2199 {
2200         int i;
2201         struct sbp_target *target = sdev->target;
2202         struct sbp_dev *tsdev;
2203
2204         SBP_LOCK_ASSERT(target->sbp);
2205         for (i = 0; i < target->num_lun; i++) {
2206                 tsdev = target->luns[i];
2207                 if (tsdev == NULL)
2208                         continue;
2209                 if (tsdev->status == SBP_DEV_DEAD)
2210                         continue;
2211                 if (tsdev->status == SBP_DEV_RESET)
2212                         continue;
2213                 xpt_freeze_devq(tsdev->path, 1);
2214                 tsdev->freeze ++;
2215                 sbp_abort_all_ocbs(tsdev, CAM_CMD_TIMEOUT);
2216                 if (method == 2)
2217                         tsdev->status = SBP_DEV_LOGIN;
2218         }
2219         switch(method) {
2220         case 1:
2221                 printf("target reset\n");
2222                 sbp_mgm_orb(sdev, ORB_FUN_RST, NULL);
2223                 break;
2224         case 2:
2225                 printf("reset start\n");
2226                 sbp_reset_start(sdev);
2227                 break;
2228         }
2229
2230 }
2231
2232 static void
2233 sbp_mgm_timeout(void *arg)
2234 {
2235         struct sbp_ocb *ocb = (struct sbp_ocb *)arg;
2236         struct sbp_dev *sdev = ocb->sdev;
2237         struct sbp_target *target = sdev->target;
2238
2239         SBP_LOCK_ASSERT(target->sbp);
2240         device_printf(sdev->target->sbp->fd.dev,
2241                 "%s:%s request timeout(mgm orb:0x%08x)\n",
2242                 __func__, sdev->bustgtlun, (uint32_t)ocb->bus_addr);
2243         target->mgm_ocb_cur = NULL;
2244         sbp_free_ocb(sdev, ocb);
2245 #if 0
2246         /* XXX */
2247         printf("run next request\n");
2248         sbp_mgm_orb(sdev, ORB_FUN_RUNQUEUE, NULL);
2249 #endif
2250         device_printf(sdev->target->sbp->fd.dev,
2251                 "%s:%s reset start\n",
2252                 __func__, sdev->bustgtlun);
2253         sbp_reset_start(sdev);
2254 }
2255
2256 static void
2257 sbp_timeout(void *arg)
2258 {
2259         struct sbp_ocb *ocb = (struct sbp_ocb *)arg;
2260         struct sbp_dev *sdev = ocb->sdev;
2261
2262         device_printf(sdev->target->sbp->fd.dev,
2263                 "%s:%s request timeout(cmd orb:0x%08x) ... ",
2264                 __func__, sdev->bustgtlun, (uint32_t)ocb->bus_addr);
2265
2266         SBP_LOCK_ASSERT(sdev->target->sbp);
2267         sdev->timeout ++;
2268         switch(sdev->timeout) {
2269         case 1:
2270                 printf("agent reset\n");
2271                 xpt_freeze_devq(sdev->path, 1);
2272                 sdev->freeze ++;
2273                 sbp_abort_all_ocbs(sdev, CAM_CMD_TIMEOUT);
2274                 sbp_agent_reset(sdev);
2275                 break;
2276         case 2:
2277         case 3:
2278                 sbp_target_reset(sdev, sdev->timeout - 1);
2279                 break;
2280 #if 0
2281         default:
2282                 /* XXX give up */
2283                 sbp_cam_detach_target(target);
2284                 if (target->luns != NULL)
2285                         free(target->luns, M_SBP);
2286                 target->num_lun = 0;
2287                 target->luns = NULL;
2288                 target->fwdev = NULL;
2289 #endif
2290         }
2291 }
2292
2293 static void
2294 sbp_action(struct cam_sim *sim, union ccb *ccb)
2295 {
2296
2297         struct sbp_softc *sbp = (struct sbp_softc *)sim->softc;
2298         struct sbp_target *target = NULL;
2299         struct sbp_dev *sdev = NULL;
2300
2301         if (sbp != NULL)
2302                 SBP_LOCK_ASSERT(sbp);
2303         /* target:lun -> sdev mapping */
2304         if (sbp != NULL
2305                         && ccb->ccb_h.target_id != CAM_TARGET_WILDCARD
2306                         && ccb->ccb_h.target_id < SBP_NUM_TARGETS) {
2307                 target = &sbp->targets[ccb->ccb_h.target_id];
2308                 if (target->fwdev != NULL
2309                                 && ccb->ccb_h.target_lun != CAM_LUN_WILDCARD
2310                                 && ccb->ccb_h.target_lun < target->num_lun) {
2311                         sdev = target->luns[ccb->ccb_h.target_lun];
2312                         if (sdev != NULL && sdev->status != SBP_DEV_ATTACHED &&
2313                                 sdev->status != SBP_DEV_PROBE)
2314                                 sdev = NULL;
2315                 }
2316         }
2317
2318 SBP_DEBUG(1)
2319         if (sdev == NULL)
2320                 printf("invalid target %d lun %d\n",
2321                         ccb->ccb_h.target_id, ccb->ccb_h.target_lun);
2322 END_DEBUG
2323
2324         switch (ccb->ccb_h.func_code) {
2325         case XPT_SCSI_IO:
2326         case XPT_RESET_DEV:
2327         case XPT_GET_TRAN_SETTINGS:
2328         case XPT_SET_TRAN_SETTINGS:
2329         case XPT_CALC_GEOMETRY:
2330                 if (sdev == NULL) {
2331 SBP_DEBUG(1)
2332                         printf("%s:%d:%d:func_code 0x%04x: "
2333                                 "Invalid target (target needed)\n",
2334                                 device_get_nameunit(sbp->fd.dev),
2335                                 ccb->ccb_h.target_id, ccb->ccb_h.target_lun,
2336                                 ccb->ccb_h.func_code);
2337 END_DEBUG
2338
2339                         ccb->ccb_h.status = CAM_DEV_NOT_THERE;
2340                         xpt_done(ccb);
2341                         return;
2342                 }
2343                 break;
2344         case XPT_PATH_INQ:
2345         case XPT_NOOP:
2346                 /* The opcodes sometimes aimed at a target (sc is valid),
2347                  * sometimes aimed at the SIM (sc is invalid and target is
2348                  * CAM_TARGET_WILDCARD)
2349                  */
2350                 if (sbp == NULL &&
2351                         ccb->ccb_h.target_id != CAM_TARGET_WILDCARD) {
2352 SBP_DEBUG(0)
2353                         printf("%s:%d:%d func_code 0x%04x: "
2354                                 "Invalid target (no wildcard)\n",
2355                                 device_get_nameunit(sbp->fd.dev),
2356                                 ccb->ccb_h.target_id, ccb->ccb_h.target_lun,
2357                                 ccb->ccb_h.func_code);
2358 END_DEBUG
2359                         ccb->ccb_h.status = CAM_DEV_NOT_THERE;
2360                         xpt_done(ccb);
2361                         return;
2362                 }
2363                 break;
2364         default:
2365                 /* XXX Hm, we should check the input parameters */
2366                 break;
2367         }
2368
2369         switch (ccb->ccb_h.func_code) {
2370         case XPT_SCSI_IO:
2371         {
2372                 struct ccb_scsiio *csio;
2373                 struct sbp_ocb *ocb;
2374                 int speed;
2375                 void *cdb;
2376
2377                 csio = &ccb->csio;
2378                 mtx_assert(sim->mtx, MA_OWNED);
2379
2380 SBP_DEBUG(2)
2381                 printf("%s:%d:%d XPT_SCSI_IO: "
2382                         "cmd: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x"
2383                         ", flags: 0x%02x, "
2384                         "%db cmd/%db data/%db sense\n",
2385                         device_get_nameunit(sbp->fd.dev),
2386                         ccb->ccb_h.target_id, ccb->ccb_h.target_lun,
2387                         csio->cdb_io.cdb_bytes[0],
2388                         csio->cdb_io.cdb_bytes[1],
2389                         csio->cdb_io.cdb_bytes[2],
2390                         csio->cdb_io.cdb_bytes[3],
2391                         csio->cdb_io.cdb_bytes[4],
2392                         csio->cdb_io.cdb_bytes[5],
2393                         csio->cdb_io.cdb_bytes[6],
2394                         csio->cdb_io.cdb_bytes[7],
2395                         csio->cdb_io.cdb_bytes[8],
2396                         csio->cdb_io.cdb_bytes[9],
2397                         ccb->ccb_h.flags & CAM_DIR_MASK,
2398                         csio->cdb_len, csio->dxfer_len,
2399                         csio->sense_len);
2400 END_DEBUG
2401                 if(sdev == NULL){
2402                         ccb->ccb_h.status = CAM_DEV_NOT_THERE;
2403                         xpt_done(ccb);
2404                         return;
2405                 }
2406 #if 0
2407                 /* if we are in probe stage, pass only probe commands */
2408                 if (sdev->status == SBP_DEV_PROBE) {
2409                         char *name;
2410                         name = xpt_path_periph(ccb->ccb_h.path)->periph_name;
2411                         printf("probe stage, periph name: %s\n", name);
2412                         if (strcmp(name, "probe") != 0) {
2413                                 ccb->ccb_h.status = CAM_REQUEUE_REQ;
2414                                 xpt_done(ccb);
2415                                 return;
2416                         }
2417                 }
2418 #endif
2419                 if ((ocb = sbp_get_ocb(sdev)) == NULL) {
2420                         ccb->ccb_h.status = CAM_RESRC_UNAVAIL;
2421                         if (sdev->freeze == 0) {
2422                                 xpt_freeze_devq(sdev->path, 1);
2423                                 sdev->freeze ++;
2424                         }
2425                         xpt_done(ccb);
2426                         return;
2427                 }
2428
2429                 ocb->flags = OCB_ACT_CMD;
2430                 ocb->sdev = sdev;
2431                 ocb->ccb = ccb;
2432                 ccb->ccb_h.ccb_sdev_ptr = sdev;
2433                 ocb->orb[0] = htonl(1U << 31);
2434                 ocb->orb[1] = 0;
2435                 ocb->orb[2] = htonl(((sbp->fd.fc->nodeid | FWLOCALBUS )<< 16) );
2436                 ocb->orb[3] = htonl(ocb->bus_addr + IND_PTR_OFFSET);
2437                 speed = min(target->fwdev->speed, max_speed);
2438                 ocb->orb[4] = htonl(ORB_NOTIFY | ORB_CMD_SPD(speed)
2439                                                 | ORB_CMD_MAXP(speed + 7));
2440                 if((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN){
2441                         ocb->orb[4] |= htonl(ORB_CMD_IN);
2442                 }
2443
2444                 if (csio->ccb_h.flags & CAM_CDB_POINTER)
2445                         cdb = (void *)csio->cdb_io.cdb_ptr;
2446                 else
2447                         cdb = (void *)&csio->cdb_io.cdb_bytes;
2448                 bcopy(cdb, (void *)&ocb->orb[5], csio->cdb_len);
2449 /*
2450 printf("ORB %08x %08x %08x %08x\n", ntohl(ocb->orb[0]), ntohl(ocb->orb[1]), ntohl(ocb->orb[2]), ntohl(ocb->orb[3]));
2451 printf("ORB %08x %08x %08x %08x\n", ntohl(ocb->orb[4]), ntohl(ocb->orb[5]), ntohl(ocb->orb[6]), ntohl(ocb->orb[7]));
2452 */
2453                 if (ccb->csio.dxfer_len > 0) {
2454                         int error;
2455
2456                         error = bus_dmamap_load_ccb(/*dma tag*/sbp->dmat,
2457                                         /*dma map*/ocb->dmamap,
2458                                         ccb,
2459                                         sbp_execute_ocb,
2460                                         ocb,
2461                                         /*flags*/0);
2462                         if (error)
2463                                 printf("sbp: bus_dmamap_load error %d\n", error);
2464                 } else
2465                         sbp_execute_ocb(ocb, NULL, 0, 0);
2466                 break;
2467         }
2468         case XPT_CALC_GEOMETRY:
2469         {
2470                 struct ccb_calc_geometry *ccg;
2471 #if defined(__DragonFly__) || __FreeBSD_version < 501100
2472                 uint32_t size_mb;
2473                 uint32_t secs_per_cylinder;
2474                 int extended = 1;
2475 #endif
2476
2477                 ccg = &ccb->ccg;
2478                 if (ccg->block_size == 0) {
2479                         printf("sbp_action: block_size is 0.\n");
2480                         ccb->ccb_h.status = CAM_REQ_INVALID;
2481                         xpt_done(ccb);
2482                         break;
2483                 }
2484 SBP_DEBUG(1)
2485                 printf("%s:%d:%d:%d:XPT_CALC_GEOMETRY: "
2486 #if defined(__DragonFly__) || __FreeBSD_version < 500000
2487                         "Volume size = %d\n",
2488 #else
2489                         "Volume size = %jd\n",
2490 #endif
2491                         device_get_nameunit(sbp->fd.dev),
2492                         cam_sim_path(sbp->sim),
2493                         ccb->ccb_h.target_id, ccb->ccb_h.target_lun,
2494 #if defined(__FreeBSD__) && __FreeBSD_version >= 500000
2495                         (uintmax_t)
2496 #endif
2497                                 ccg->volume_size);
2498 END_DEBUG
2499
2500 #if defined(__DragonFly__) || __FreeBSD_version < 501100
2501                 size_mb = ccg->volume_size
2502                         / ((1024L * 1024L) / ccg->block_size);
2503
2504                 if (size_mb > 1024 && extended) {
2505                         ccg->heads = 255;
2506                         ccg->secs_per_track = 63;
2507                 } else {
2508                         ccg->heads = 64;
2509                         ccg->secs_per_track = 32;
2510                 }
2511                 secs_per_cylinder = ccg->heads * ccg->secs_per_track;
2512                 ccg->cylinders = ccg->volume_size / secs_per_cylinder;
2513                 ccb->ccb_h.status = CAM_REQ_CMP;
2514 #else
2515                 cam_calc_geometry(ccg, /*extended*/1);
2516 #endif
2517                 xpt_done(ccb);
2518                 break;
2519         }
2520         case XPT_RESET_BUS:             /* Reset the specified SCSI bus */
2521         {
2522
2523 SBP_DEBUG(1)
2524                 printf("%s:%d:XPT_RESET_BUS: \n",
2525                         device_get_nameunit(sbp->fd.dev), cam_sim_path(sbp->sim));
2526 END_DEBUG
2527
2528                 ccb->ccb_h.status = CAM_REQ_INVALID;
2529                 xpt_done(ccb);
2530                 break;
2531         }
2532         case XPT_PATH_INQ:              /* Path routing inquiry */
2533         {
2534                 struct ccb_pathinq *cpi = &ccb->cpi;
2535
2536 SBP_DEBUG(1)
2537                 printf("%s:%d:%d XPT_PATH_INQ:.\n",
2538                         device_get_nameunit(sbp->fd.dev),
2539                         ccb->ccb_h.target_id, ccb->ccb_h.target_lun);
2540 END_DEBUG
2541                 cpi->version_num = 1; /* XXX??? */
2542                 cpi->hba_inquiry = PI_TAG_ABLE;
2543                 cpi->target_sprt = 0;
2544                 cpi->hba_misc = PIM_NOBUSRESET | PIM_NO_6_BYTE;
2545                 cpi->hba_eng_cnt = 0;
2546                 cpi->max_target = SBP_NUM_TARGETS - 1;
2547                 cpi->max_lun = SBP_NUM_LUNS - 1;
2548                 cpi->initiator_id = SBP_INITIATOR;
2549                 cpi->bus_id = sim->bus_id;
2550                 cpi->base_transfer_speed = 400 * 1000 / 8;
2551                 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
2552                 strncpy(cpi->hba_vid, "SBP", HBA_IDLEN);
2553                 strncpy(cpi->dev_name, sim->sim_name, DEV_IDLEN);
2554                 cpi->unit_number = sim->unit_number;
2555                 cpi->transport = XPORT_SPI;     /* XX should have a FireWire */
2556                 cpi->transport_version = 2;
2557                 cpi->protocol = PROTO_SCSI;
2558                 cpi->protocol_version = SCSI_REV_2;
2559
2560                 cpi->ccb_h.status = CAM_REQ_CMP;
2561                 xpt_done(ccb);
2562                 break;
2563         }
2564         case XPT_GET_TRAN_SETTINGS:
2565         {
2566                 struct ccb_trans_settings *cts = &ccb->cts;
2567                 struct ccb_trans_settings_scsi *scsi =
2568                     &cts->proto_specific.scsi;
2569                 struct ccb_trans_settings_spi *spi =
2570                     &cts->xport_specific.spi;
2571
2572                 cts->protocol = PROTO_SCSI;
2573                 cts->protocol_version = SCSI_REV_2;
2574                 cts->transport = XPORT_SPI;     /* should have a FireWire */
2575                 cts->transport_version = 2;
2576                 spi->valid = CTS_SPI_VALID_DISC;
2577                 spi->flags = CTS_SPI_FLAGS_DISC_ENB;
2578                 scsi->valid = CTS_SCSI_VALID_TQ;
2579                 scsi->flags = CTS_SCSI_FLAGS_TAG_ENB;
2580 SBP_DEBUG(1)
2581                 printf("%s:%d:%d XPT_GET_TRAN_SETTINGS:.\n",
2582                         device_get_nameunit(sbp->fd.dev),
2583                         ccb->ccb_h.target_id, ccb->ccb_h.target_lun);
2584 END_DEBUG
2585                 cts->ccb_h.status = CAM_REQ_CMP;
2586                 xpt_done(ccb);
2587                 break;
2588         }
2589         case XPT_ABORT:
2590                 ccb->ccb_h.status = CAM_UA_ABORT;
2591                 xpt_done(ccb);
2592                 break;
2593         case XPT_SET_TRAN_SETTINGS:
2594                 /* XXX */
2595         default:
2596                 ccb->ccb_h.status = CAM_REQ_INVALID;
2597                 xpt_done(ccb);
2598                 break;
2599         }
2600         return;
2601 }
2602
2603 static void
2604 sbp_execute_ocb(void *arg,  bus_dma_segment_t *segments, int seg, int error)
2605 {
2606         int i;
2607         struct sbp_ocb *ocb;
2608         struct sbp_ocb *prev;
2609         bus_dma_segment_t *s;
2610
2611         if (error)
2612                 printf("sbp_execute_ocb: error=%d\n", error);
2613
2614         ocb = (struct sbp_ocb *)arg;
2615
2616 SBP_DEBUG(2)
2617         printf("sbp_execute_ocb: seg %d", seg);
2618         for (i = 0; i < seg; i++)
2619 #if defined(__DragonFly__) || __FreeBSD_version < 500000
2620                 printf(", %x:%d", segments[i].ds_addr, segments[i].ds_len);
2621 #else
2622                 printf(", %jx:%jd", (uintmax_t)segments[i].ds_addr,
2623                                         (uintmax_t)segments[i].ds_len);
2624 #endif
2625         printf("\n");
2626 END_DEBUG
2627
2628         if (seg == 1) {
2629                 /* direct pointer */
2630                 s = &segments[0];
2631                 if (s->ds_len > SBP_SEG_MAX)
2632                         panic("ds_len > SBP_SEG_MAX, fix busdma code");
2633                 ocb->orb[3] = htonl(s->ds_addr);
2634                 ocb->orb[4] |= htonl(s->ds_len);
2635         } else if(seg > 1) {
2636                 /* page table */
2637                 for (i = 0; i < seg; i++) {
2638                         s = &segments[i];
2639 SBP_DEBUG(0)
2640                         /* XXX LSI Logic "< 16 byte" bug might be hit */
2641                         if (s->ds_len < 16)
2642                                 printf("sbp_execute_ocb: warning, "
2643 #if defined(__DragonFly__) || __FreeBSD_version < 500000
2644                                         "segment length(%d) is less than 16."
2645 #else
2646                                         "segment length(%zd) is less than 16."
2647 #endif
2648                                         "(seg=%d/%d)\n", (size_t)s->ds_len, i+1, seg);
2649 END_DEBUG
2650                         if (s->ds_len > SBP_SEG_MAX)
2651                                 panic("ds_len > SBP_SEG_MAX, fix busdma code");
2652                         ocb->ind_ptr[i].hi = htonl(s->ds_len << 16);
2653                         ocb->ind_ptr[i].lo = htonl(s->ds_addr);
2654                 }
2655                 ocb->orb[4] |= htonl(ORB_CMD_PTBL | seg);
2656         }
2657
2658         if (seg > 0)
2659                 bus_dmamap_sync(ocb->sdev->target->sbp->dmat, ocb->dmamap,
2660                         (ntohl(ocb->orb[4]) & ORB_CMD_IN) ?
2661                         BUS_DMASYNC_PREREAD : BUS_DMASYNC_PREWRITE);
2662         prev = sbp_enqueue_ocb(ocb->sdev, ocb);
2663         fwdma_sync(&ocb->sdev->dma, BUS_DMASYNC_PREWRITE);
2664         if (use_doorbell) {
2665                 if (prev == NULL) {
2666                         if (ocb->sdev->last_ocb != NULL)
2667                                 sbp_doorbell(ocb->sdev);
2668                         else
2669                                 sbp_orb_pointer(ocb->sdev, ocb);
2670                 }
2671         } else {
2672                 if (prev == NULL || (ocb->sdev->flags & ORB_LINK_DEAD) != 0) {
2673                         ocb->sdev->flags &= ~ORB_LINK_DEAD;
2674                         sbp_orb_pointer(ocb->sdev, ocb);
2675                 }
2676         }
2677 }
2678
2679 static void
2680 sbp_poll(struct cam_sim *sim)
2681 {
2682         struct sbp_softc *sbp;
2683         struct firewire_comm *fc;
2684
2685         sbp = (struct sbp_softc *)sim->softc;
2686         fc = sbp->fd.fc;
2687
2688         fc->poll(fc, 0, -1);
2689
2690         return;
2691 }
2692
2693 static struct sbp_ocb *
2694 sbp_dequeue_ocb(struct sbp_dev *sdev, struct sbp_status *sbp_status)
2695 {
2696         struct sbp_ocb *ocb;
2697         struct sbp_ocb *next;
2698         int order = 0;
2699
2700 SBP_DEBUG(1)
2701         device_printf(sdev->target->sbp->fd.dev,
2702 #if defined(__DragonFly__) || __FreeBSD_version < 500000
2703         "%s:%s 0x%08lx src %d\n",
2704 #else
2705         "%s:%s 0x%08x src %d\n",
2706 #endif
2707             __func__, sdev->bustgtlun, ntohl(sbp_status->orb_lo), sbp_status->src);
2708 END_DEBUG
2709         SBP_LOCK_ASSERT(sdev->target->sbp);
2710         STAILQ_FOREACH_SAFE(ocb, &sdev->ocbs, ocb, next) {
2711                 if (OCB_MATCH(ocb, sbp_status)) {
2712                         /* found */
2713                         STAILQ_REMOVE(&sdev->ocbs, ocb, sbp_ocb, ocb);
2714                         if (ocb->ccb != NULL)
2715                                 callout_stop(&ocb->timer);
2716                         if (ntohl(ocb->orb[4]) & 0xffff) {
2717                                 bus_dmamap_sync(sdev->target->sbp->dmat,
2718                                         ocb->dmamap,
2719                                         (ntohl(ocb->orb[4]) & ORB_CMD_IN) ?
2720                                         BUS_DMASYNC_POSTREAD :
2721                                         BUS_DMASYNC_POSTWRITE);
2722                                 bus_dmamap_unload(sdev->target->sbp->dmat,
2723                                         ocb->dmamap);
2724                         }
2725                         if (!use_doorbell) {
2726                                 if (sbp_status->src == SRC_NO_NEXT) {
2727                                         if (next != NULL)
2728                                                 sbp_orb_pointer(sdev, next);
2729                                         else if (order > 0) {
2730                                                 /*
2731                                                  * Unordered execution
2732                                                  * We need to send pointer for
2733                                                  * next ORB
2734                                                  */
2735                                                 sdev->flags |= ORB_LINK_DEAD;
2736                                         }
2737                                 }
2738                         } else {
2739                                 /*
2740                                  * XXX this is not correct for unordered
2741                                  * execution.
2742                                  */
2743                                 if (sdev->last_ocb != NULL) {
2744                                         sbp_free_ocb(sdev, sdev->last_ocb);
2745                                 }
2746                                 sdev->last_ocb = ocb;
2747                                 if (next != NULL &&
2748                                     sbp_status->src == SRC_NO_NEXT)
2749                                         sbp_doorbell(sdev);
2750                         }
2751                         break;
2752                 } else
2753                         order ++;
2754         }
2755 SBP_DEBUG(0)
2756         if (ocb && order > 0) {
2757                 device_printf(sdev->target->sbp->fd.dev,
2758                         "%s:%s unordered execution order:%d\n",
2759                         __func__, sdev->bustgtlun, order);
2760         }
2761 END_DEBUG
2762         return (ocb);
2763 }
2764
2765 static struct sbp_ocb *
2766 sbp_enqueue_ocb(struct sbp_dev *sdev, struct sbp_ocb *ocb)
2767 {
2768         struct sbp_ocb *prev, *prev2;
2769
2770         SBP_LOCK_ASSERT(sdev->target->sbp);
2771 SBP_DEBUG(1)
2772         device_printf(sdev->target->sbp->fd.dev,
2773 #if defined(__DragonFly__) || __FreeBSD_version < 500000
2774         "%s:%s 0x%08x\n", __func__, sdev->bustgtlun, ocb->bus_addr);
2775 #else
2776         "%s:%s 0x%08jx\n", __func__, sdev->bustgtlun, (uintmax_t)ocb->bus_addr);
2777 #endif
2778 END_DEBUG
2779         prev2 = prev = STAILQ_LAST(&sdev->ocbs, sbp_ocb, ocb);
2780         STAILQ_INSERT_TAIL(&sdev->ocbs, ocb, ocb);
2781
2782         if (ocb->ccb != NULL) {
2783                 callout_reset_sbt(&ocb->timer,
2784                     SBT_1MS * ocb->ccb->ccb_h.timeout, 0, sbp_timeout,
2785                     ocb, 0);
2786         }
2787
2788         if (use_doorbell && prev == NULL)
2789                 prev2 = sdev->last_ocb;
2790
2791         if (prev2 != NULL && (ocb->sdev->flags & ORB_LINK_DEAD) == 0) {
2792 SBP_DEBUG(1)
2793 #if defined(__DragonFly__) || __FreeBSD_version < 500000
2794                 printf("linking chain 0x%x -> 0x%x\n",
2795                     prev2->bus_addr, ocb->bus_addr);
2796 #else
2797                 printf("linking chain 0x%jx -> 0x%jx\n",
2798                     (uintmax_t)prev2->bus_addr, (uintmax_t)ocb->bus_addr);
2799 #endif
2800 END_DEBUG
2801                 /*
2802                  * Suppress compiler optimization so that orb[1] must be written first.
2803                  * XXX We may need an explicit memory barrier for other architectures
2804                  * other than i386/amd64.
2805                  */
2806                 *(volatile uint32_t *)&prev2->orb[1] = htonl(ocb->bus_addr);
2807                 *(volatile uint32_t *)&prev2->orb[0] = 0;
2808         }
2809
2810         return prev;
2811 }
2812
2813 static struct sbp_ocb *
2814 sbp_get_ocb(struct sbp_dev *sdev)
2815 {
2816         struct sbp_ocb *ocb;
2817
2818         SBP_LOCK_ASSERT(sdev->target->sbp);
2819         ocb = STAILQ_FIRST(&sdev->free_ocbs);
2820         if (ocb == NULL) {
2821                 sdev->flags |= ORB_SHORTAGE;
2822                 printf("ocb shortage!!!\n");
2823                 return NULL;
2824         }
2825         STAILQ_REMOVE_HEAD(&sdev->free_ocbs, ocb);
2826         ocb->ccb = NULL;
2827         return (ocb);
2828 }
2829
2830 static void
2831 sbp_free_ocb(struct sbp_dev *sdev, struct sbp_ocb *ocb)
2832 {
2833         ocb->flags = 0;
2834         ocb->ccb = NULL;
2835
2836         SBP_LOCK_ASSERT(sdev->target->sbp);
2837         STAILQ_INSERT_TAIL(&sdev->free_ocbs, ocb, ocb);
2838         if ((sdev->flags & ORB_SHORTAGE) != 0) {
2839                 int count;
2840
2841                 sdev->flags &= ~ORB_SHORTAGE;
2842                 count = sdev->freeze;
2843                 sdev->freeze = 0;
2844                 xpt_release_devq(sdev->path, count, TRUE);
2845         }
2846 }
2847
2848 static void
2849 sbp_abort_ocb(struct sbp_ocb *ocb, int status)
2850 {
2851         struct sbp_dev *sdev;
2852
2853         sdev = ocb->sdev;
2854         SBP_LOCK_ASSERT(sdev->target->sbp);
2855 SBP_DEBUG(0)
2856         device_printf(sdev->target->sbp->fd.dev,
2857 #if defined(__DragonFly__) || __FreeBSD_version < 500000
2858         "%s:%s 0x%x\n", __func__, sdev->bustgtlun, ocb->bus_addr);
2859 #else
2860         "%s:%s 0x%jx\n", __func__, sdev->bustgtlun, (uintmax_t)ocb->bus_addr);
2861 #endif
2862 END_DEBUG
2863 SBP_DEBUG(1)
2864         if (ocb->ccb != NULL)
2865                 sbp_print_scsi_cmd(ocb);
2866 END_DEBUG
2867         if (ntohl(ocb->orb[4]) & 0xffff) {
2868                 bus_dmamap_sync(sdev->target->sbp->dmat, ocb->dmamap,
2869                         (ntohl(ocb->orb[4]) & ORB_CMD_IN) ?
2870                         BUS_DMASYNC_POSTREAD : BUS_DMASYNC_POSTWRITE);
2871                 bus_dmamap_unload(sdev->target->sbp->dmat, ocb->dmamap);
2872         }
2873         if (ocb->ccb != NULL) {
2874                 callout_stop(&ocb->timer);
2875                 ocb->ccb->ccb_h.status = status;
2876                 xpt_done(ocb->ccb);
2877         }
2878         sbp_free_ocb(sdev, ocb);
2879 }
2880
2881 static void
2882 sbp_abort_all_ocbs(struct sbp_dev *sdev, int status)
2883 {
2884         struct sbp_ocb *ocb, *next;
2885         STAILQ_HEAD(, sbp_ocb) temp;
2886
2887         STAILQ_INIT(&temp);
2888         SBP_LOCK_ASSERT(sdev->target->sbp);
2889         STAILQ_CONCAT(&temp, &sdev->ocbs);
2890         STAILQ_INIT(&sdev->ocbs);
2891
2892         STAILQ_FOREACH_SAFE(ocb, &temp, ocb, next) {
2893                 sbp_abort_ocb(ocb, status);
2894         }
2895         if (sdev->last_ocb != NULL) {
2896                 sbp_free_ocb(sdev, sdev->last_ocb);
2897                 sdev->last_ocb = NULL;
2898         }
2899 }
2900
2901 static devclass_t sbp_devclass;
2902
2903 static device_method_t sbp_methods[] = {
2904         /* device interface */
2905         DEVMETHOD(device_identify,      sbp_identify),
2906         DEVMETHOD(device_probe,         sbp_probe),
2907         DEVMETHOD(device_attach,        sbp_attach),
2908         DEVMETHOD(device_detach,        sbp_detach),
2909         DEVMETHOD(device_shutdown,      sbp_shutdown),
2910
2911         { 0, 0 }
2912 };
2913
2914 static driver_t sbp_driver = {
2915         "sbp",
2916         sbp_methods,
2917         sizeof(struct sbp_softc),
2918 };
2919 #ifdef __DragonFly__
2920 DECLARE_DUMMY_MODULE(sbp);
2921 #endif
2922 DRIVER_MODULE(sbp, firewire, sbp_driver, sbp_devclass, 0, 0);
2923 MODULE_VERSION(sbp, 1);
2924 MODULE_DEPEND(sbp, firewire, 1, 1, 1);
2925 MODULE_DEPEND(sbp, cam, 1, 1, 1);