2 * Copyright (c) 2003 Hidetoshi Shimokawa
3 * Copyright (c) 1998-2002 Katsushi Kobayashi and Hidetoshi Shimokawa
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
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:
17 * This product includes software developed by K. Kobayashi and H. Shimokawa
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.
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.
34 * $FreeBSD: src/sys/dev/firewire/sbp.c,v 1.74 2004/01/08 14:58:09 simokawa Exp $
35 * $DragonFly: src/sys/dev/disk/sbp/sbp.c,v 1.23 2007/05/01 00:05:17 dillon Exp $
39 #include <sys/param.h>
40 #include <sys/systm.h>
42 #include <sys/module.h>
44 #include <sys/kernel.h>
45 #include <sys/sysctl.h>
46 #include <sys/malloc.h>
48 #include <sys/devicestat.h> /* for struct devstat */
49 #include <sys/thread2.h>
51 #include <bus/cam/cam.h>
52 #include <bus/cam/cam_ccb.h>
53 #include <bus/cam/cam_sim.h>
54 #include <bus/cam/cam_xpt_sim.h>
55 #include <bus/cam/cam_debug.h>
56 #include <bus/cam/cam_periph.h>
57 #include <bus/cam/scsi/scsi_all.h>
59 #include <bus/firewire/firewire.h>
60 #include <bus/firewire/firewirereg.h>
61 #include <bus/firewire/fwdma.h>
62 #include <bus/firewire/iec13213.h>
65 #define ccb_sdev_ptr spriv_ptr0
66 #define ccb_sbp_ptr spriv_ptr1
68 #define SBP_NUM_TARGETS 8 /* MAX 64 */
70 * Scan_bus doesn't work for more than 8 LUNs
71 * because of CAM_SCSI2_MAXLUN in cam_xpt.c
73 #define SBP_NUM_LUNS 64
74 #define SBP_DMA_SIZE PAGE_SIZE
75 #define SBP_LOGIN_SIZE sizeof(struct sbp_login_res)
76 #define SBP_QUEUE_LEN ((SBP_DMA_SIZE - SBP_LOGIN_SIZE) / sizeof(struct sbp_ocb))
77 #define SBP_NUM_OCB (SBP_QUEUE_LEN * SBP_NUM_TARGETS)
80 * STATUS FIFO addressing
82 * -----------------------
83 * 0- 1( 2): 0 (alingment)
87 * 32-47(16): SBP_BIND_HI
88 * 48-64(16): bus_id, node_id
90 #define SBP_BIND_HI 0x1
91 #define SBP_DEV2ADDR(t, l) \
92 (((u_int64_t)SBP_BIND_HI << 32) \
93 | (((l) & 0xff) << 8) \
94 | (((t) & 0x3f) << 2))
95 #define SBP_ADDR2TRG(a) (((a) >> 2) & 0x3f)
96 #define SBP_ADDR2LUN(a) (((a) >> 8) & 0xff)
97 #define SBP_INITIATOR 7
99 static char *orb_fun_name[] = {
103 static int debug = 0;
104 static int auto_login = 1;
105 static int max_speed = -1;
107 static int sbp_cold = 1;
109 static int ex_login = 1;
110 static int login_delay = 1000; /* msec */
111 static int scan_delay = 500; /* msec */
112 static int sbp_tags = 0;
114 SYSCTL_DECL(_hw_firewire);
115 SYSCTL_NODE(_hw_firewire, OID_AUTO, sbp, CTLFLAG_RD, 0, "SBP-II Subsystem");
116 SYSCTL_INT(_debug, OID_AUTO, sbp_debug, CTLFLAG_RW, &debug, 0,
118 SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, auto_login, CTLFLAG_RW, &auto_login, 0,
119 "SBP perform login automatically");
120 SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, max_speed, CTLFLAG_RW, &max_speed, 0,
121 "SBP transfer max speed");
122 SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, exclusive_login, CTLFLAG_RW,
123 &ex_login, 0, "SBP transfer max speed");
124 SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, login_delay, CTLFLAG_RW,
125 &login_delay, 0, "SBP login delay in msec");
126 SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, scan_delay, CTLFLAG_RW,
127 &scan_delay, 0, "SBP scan delay in msec");
128 SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, tags, CTLFLAG_RW, &sbp_tags, 0,
129 "SBP tagged queuing support");
131 TUNABLE_INT("hw.firewire.sbp.auto_login", &auto_login);
132 TUNABLE_INT("hw.firewire.sbp.max_speed", &max_speed);
133 TUNABLE_INT("hw.firewire.sbp.exclusive_login", &ex_login);
134 TUNABLE_INT("hw.firewire.sbp.login_delay", &login_delay);
135 TUNABLE_INT("hw.firewire.sbp.scan_delay", &scan_delay);
136 TUNABLE_INT("hw.firewire.sbp.tags", &sbp_tags);
138 #define NEED_RESPONSE 0
140 #define SBP_SEG_MAX rounddown(0xffff, PAGE_SIZE)
141 #ifdef __sparc64__ /* iommu */
142 #define SBP_IND_MAX howmany(MAXPHYS, SBP_SEG_MAX)
144 #define SBP_IND_MAX howmany(MAXPHYS, PAGE_SIZE)
147 STAILQ_ENTRY(sbp_ocb) ocb;
151 #define IND_PTR_OFFSET (8*sizeof(u_int32_t))
152 struct ind_ptr ind_ptr[SBP_IND_MAX];
153 struct sbp_dev *sdev;
154 int flags; /* XXX should be removed */
158 #define OCB_ACT_MGM 0
159 #define OCB_ACT_CMD 1
160 #define OCB_MATCH(o,s) ((o)->bus_addr == ntohl((s)->orb_lo))
163 #define SBP_DEV_RESET 0 /* accept login */
164 #define SBP_DEV_LOGIN 1 /* to login */
166 #define SBP_DEV_RECONN 2 /* to reconnect */
168 #define SBP_DEV_TOATTACH 3 /* to attach */
169 #define SBP_DEV_PROBE 4 /* scan lun */
170 #define SBP_DEV_ATTACHED 5 /* in operation */
171 #define SBP_DEV_DEAD 6 /* unavailable unit */
172 #define SBP_DEV_RETRY 7 /* unavailable unit */
178 #define ORB_LINK_DEAD (1 << 0)
179 #define VALID_LUN (1 << 1)
180 #define ORB_POINTER_ACTIVE (1 << 2)
181 #define ORB_POINTER_NEED (1 << 3)
183 struct cam_path *path;
184 struct sbp_target *target;
185 struct fwdma_alloc dma;
186 struct sbp_login_res *login;
187 struct callout login_callout;
189 STAILQ_HEAD(, sbp_ocb) ocbs;
190 STAILQ_HEAD(, sbp_ocb) free_ocbs;
199 struct sbp_dev **luns;
200 struct sbp_softc *sbp;
201 struct fw_device *fwdev;
202 u_int32_t mgm_hi, mgm_lo;
203 struct sbp_ocb *mgm_ocb_cur;
204 STAILQ_HEAD(, sbp_ocb) mgm_ocb_queue;
205 struct callout mgm_ocb_timeout;
206 struct callout scan_callout;
207 STAILQ_HEAD(, fw_xfer) xferlist;
212 struct firewire_dev_comm fd;
214 struct cam_path *path;
215 struct sbp_target targets[SBP_NUM_TARGETS];
218 struct timeval last_busreset;
219 #define SIMQ_FREEZED 1
223 static void sbp_post_explore (void *);
224 static void sbp_recv (struct fw_xfer *);
225 static void sbp_mgm_callback (struct fw_xfer *);
227 static void sbp_cmd_callback (struct fw_xfer *);
229 static void sbp_orb_pointer (struct sbp_dev *, struct sbp_ocb *);
230 static void sbp_execute_ocb (void *, bus_dma_segment_t *, int, int);
231 static void sbp_free_ocb (struct sbp_dev *, struct sbp_ocb *);
232 static void sbp_abort_ocb (struct sbp_ocb *, int);
233 static void sbp_abort_all_ocbs (struct sbp_dev *, int);
234 static struct fw_xfer * sbp_write_cmd (struct sbp_dev *, int, int);
235 static struct sbp_ocb * sbp_get_ocb (struct sbp_dev *);
236 static struct sbp_ocb * sbp_enqueue_ocb (struct sbp_dev *, struct sbp_ocb *);
237 static struct sbp_ocb * sbp_dequeue_ocb (struct sbp_dev *, struct sbp_status *);
238 static void sbp_cam_detach_sdev(struct sbp_dev *);
239 static void sbp_free_sdev(struct sbp_dev *);
240 static void sbp_cam_detach_target (struct sbp_target *);
241 static void sbp_free_target (struct sbp_target *);
242 static void sbp_mgm_timeout (void *arg);
243 static void sbp_timeout (void *arg);
244 static void sbp_mgm_orb (struct sbp_dev *, int, struct sbp_ocb *);
246 MALLOC_DEFINE(M_SBP, "sbp", "SBP-II/FireWire");
248 /* cam related functions */
249 static void sbp_action(struct cam_sim *sim, union ccb *ccb);
250 static void sbp_poll(struct cam_sim *sim);
251 static void sbp_cam_scan_lun(struct cam_periph *, union ccb *);
252 static void sbp_cam_scan_target(void *arg);
254 static char *orb_status0[] = {
255 /* 0 */ "No additional information to report",
256 /* 1 */ "Request type not supported",
257 /* 2 */ "Speed not supported",
258 /* 3 */ "Page size not supported",
259 /* 4 */ "Access denied",
260 /* 5 */ "Logical unit not supported",
261 /* 6 */ "Maximum payload too small",
262 /* 7 */ "Reserved for future standardization",
263 /* 8 */ "Resources unavailable",
264 /* 9 */ "Function rejected",
265 /* A */ "Login ID not recognized",
266 /* B */ "Dummy ORB completed",
267 /* C */ "Request aborted",
268 /* FF */ "Unspecified error"
269 #define MAX_ORB_STATUS0 0xd
272 static char *orb_status1_object[] = {
273 /* 0 */ "Operation request block (ORB)",
274 /* 1 */ "Data buffer",
275 /* 2 */ "Page table",
276 /* 3 */ "Unable to specify"
279 static char *orb_status1_serial_bus_error[] = {
280 /* 0 */ "Missing acknowledge",
281 /* 1 */ "Reserved; not to be used",
282 /* 2 */ "Time-out error",
283 /* 3 */ "Reserved; not to be used",
284 /* 4 */ "Busy retry limit exceeded(X)",
285 /* 5 */ "Busy retry limit exceeded(A)",
286 /* 6 */ "Busy retry limit exceeded(B)",
287 /* 7 */ "Reserved for future standardization",
288 /* 8 */ "Reserved for future standardization",
289 /* 9 */ "Reserved for future standardization",
290 /* A */ "Reserved for future standardization",
291 /* B */ "Tardy retry limit exceeded",
292 /* C */ "Conflict error",
293 /* D */ "Data error",
294 /* E */ "Type error",
295 /* F */ "Address error"
302 sbp_probe(device_t dev)
307 kprintf("sbp_probe\n");
310 pa = device_get_parent(dev);
311 if(device_get_unit(dev) != device_get_unit(pa)){
315 device_set_desc(dev, "SBP-2/SCSI over FireWire");
323 sbp_show_sdev_info(struct sbp_dev *sdev, int new)
325 struct fw_device *fwdev;
328 device_get_nameunit(sdev->target->sbp->fd.dev),
329 sdev->target->target_id,
335 fwdev = sdev->target->fwdev;
336 kprintf("ordered:%d type:%d EUI:%08x%08x node:%d "
337 "speed:%d maxrec:%d",
338 (sdev->type & 0x40) >> 6,
350 sbp_show_sdev_info(sdev, 2);
351 kprintf("'%s' '%s' '%s'\n", sdev->vendor, sdev->product, sdev->revision);
359 /* Bus Target EUI64 */
361 {0, 2, {0x00018ea0, 0x01fd0154}}, /* Logitec HDD */
362 {0, 0, {0x00018ea6, 0x00100682}}, /* Logitec DVD */
363 {0, 1, {0x00d03200, 0xa412006a}}, /* Yano HDD */
369 sbp_new_target(struct sbp_softc *sbp, struct fw_device *fwdev)
371 int bus, i, target=-1;
372 char w[SBP_NUM_TARGETS];
375 bus = device_get_unit(sbp->fd.dev);
377 /* XXX wired-down configuration should be gotten from
378 tunable or device hint */
379 for (i = 0; wired[i].bus >= 0; i ++) {
380 if (wired[i].bus == bus) {
381 w[wired[i].target] = 1;
382 if (wired[i].eui.hi == fwdev->eui.hi &&
383 wired[i].eui.lo == fwdev->eui.lo)
384 target = wired[i].target;
388 if(target < SBP_NUM_TARGETS &&
389 sbp->targets[target].fwdev == NULL)
391 device_printf(sbp->fd.dev,
392 "target %d is not free for %08x:%08x\n",
393 target, fwdev->eui.hi, fwdev->eui.lo);
396 /* non-wired target */
397 for (i = 0; i < SBP_NUM_TARGETS; i ++)
398 if (sbp->targets[i].fwdev == NULL && w[i] == 0) {
407 sbp_alloc_lun(struct sbp_target *target)
409 struct crom_context cc;
411 struct sbp_dev *sdev, **newluns;
412 struct sbp_softc *sbp;
416 crom_init_context(&cc, target->fwdev->csrrom);
417 /* XXX shoud parse appropriate unit directories only */
419 while (cc.depth >= 0) {
420 reg = crom_search_key(&cc, CROM_LUN);
423 lun = reg->val & 0xffff;
425 kprintf("target %d lun %d found\n", target->target_id, lun);
432 kprintf("%s:%d no LUN found\n",
433 device_get_nameunit(target->sbp->fd.dev),
437 if (maxlun >= SBP_NUM_LUNS)
438 maxlun = SBP_NUM_LUNS;
440 /* Invalidiate stale devices */
441 for (lun = 0; lun < target->num_lun; lun ++) {
442 sdev = target->luns[lun];
445 sdev->flags &= ~VALID_LUN;
448 sbp_cam_detach_sdev(sdev);
454 if (maxlun != target->num_lun) {
456 * note: krealloc() does not support M_ZERO. We must zero
457 * the extended region manually.
459 newluns = krealloc(target->luns,
460 sizeof(struct sbp_dev *) * maxlun,
463 if (maxlun > target->num_lun) {
464 bzero(&newluns[target->num_lun],
465 sizeof(struct sbp_dev *) *
466 (maxlun - target->num_lun));
468 target->luns = newluns;
469 target->num_lun = maxlun;
472 crom_init_context(&cc, target->fwdev->csrrom);
473 while (cc.depth >= 0) {
476 reg = crom_search_key(&cc, CROM_LUN);
479 lun = reg->val & 0xffff;
480 if (lun >= SBP_NUM_LUNS) {
481 kprintf("too large lun %d\n", lun);
485 sdev = target->luns[lun];
487 sdev = kmalloc(sizeof(struct sbp_dev),
488 M_SBP, M_WAITOK | M_ZERO);
489 target->luns[lun] = sdev;
491 sdev->target = target;
492 STAILQ_INIT(&sdev->ocbs);
493 CALLOUT_INIT(&sdev->login_callout);
494 sdev->status = SBP_DEV_RESET;
497 sdev->flags |= VALID_LUN;
498 sdev->type = (reg->val & 0xff0000) >> 16;
503 fwdma_malloc(sbp->fd.fc,
504 /* alignment */ sizeof(u_int32_t),
505 SBP_DMA_SIZE, &sdev->dma, BUS_DMA_NOWAIT);
506 if (sdev->dma.v_addr == NULL) {
507 kprintf("%s: dma space allocation failed\n",
510 target->luns[lun] = NULL;
513 sdev->login = (struct sbp_login_res *) sdev->dma.v_addr;
514 sdev->ocb = (struct sbp_ocb *)
515 ((char *)sdev->dma.v_addr + SBP_LOGIN_SIZE);
516 bzero((char *)sdev->ocb,
517 sizeof (struct sbp_ocb) * SBP_QUEUE_LEN);
519 STAILQ_INIT(&sdev->free_ocbs);
520 for (i = 0; i < SBP_QUEUE_LEN; i++) {
523 ocb->bus_addr = sdev->dma.bus_addr
525 + sizeof(struct sbp_ocb) * i
526 + offsetof(struct sbp_ocb, orb[0]);
527 if (bus_dmamap_create(sbp->dmat, 0, &ocb->dmamap)) {
528 kprintf("sbp_attach: cannot create dmamap\n");
532 sbp_free_ocb(sdev, ocb);
538 for (lun = 0; lun < target->num_lun; lun ++) {
539 sdev = target->luns[lun];
540 if (sdev != NULL && (sdev->flags & VALID_LUN) == 0) {
541 sbp_cam_detach_sdev(sdev);
543 target->luns[lun] = NULL;
548 static struct sbp_target *
549 sbp_alloc_target(struct sbp_softc *sbp, struct fw_device *fwdev)
552 struct sbp_target *target;
553 struct crom_context cc;
557 kprintf("sbp_alloc_target\n");
559 i = sbp_new_target(sbp, fwdev);
561 device_printf(sbp->fd.dev, "increase SBP_NUM_TARGETS!\n");
565 target = &sbp->targets[i];
567 target->fwdev = fwdev;
568 target->target_id = i;
569 /* XXX we may want to reload mgm port after each bus reset */
570 /* XXX there might be multiple management agents */
571 crom_init_context(&cc, target->fwdev->csrrom);
572 reg = crom_search_key(&cc, CROM_MGM);
573 if (reg == NULL || reg->val == 0) {
574 kprintf("NULL management address\n");
575 target->fwdev = NULL;
578 target->mgm_hi = 0xffff;
579 target->mgm_lo = 0xf0000000 | (reg->val << 2);
580 target->mgm_ocb_cur = NULL;
582 kprintf("target:%d mgm_port: %x\n", i, target->mgm_lo);
584 STAILQ_INIT(&target->xferlist);
586 STAILQ_INIT(&target->mgm_ocb_queue);
587 CALLOUT_INIT(&target->mgm_ocb_timeout);
588 CALLOUT_INIT(&target->scan_callout);
596 sbp_probe_lun(struct sbp_dev *sdev)
598 struct fw_device *fwdev;
599 struct crom_context c, *cc = &c;
602 bzero(sdev->vendor, sizeof(sdev->vendor));
603 bzero(sdev->product, sizeof(sdev->product));
605 fwdev = sdev->target->fwdev;
606 crom_init_context(cc, fwdev->csrrom);
607 /* get vendor string */
608 crom_search_key(cc, CSRKEY_VENDOR);
610 crom_parse_text(cc, sdev->vendor, sizeof(sdev->vendor));
611 /* skip to the unit directory for SBP-2 */
612 while ((reg = crom_search_key(cc, CSRKEY_VER)) != NULL) {
613 if (reg->val == CSRVAL_T10SBP2)
617 /* get firmware revision */
618 reg = crom_search_key(cc, CSRKEY_FIRM_VER);
620 ksnprintf(sdev->revision, sizeof(sdev->revision),
622 /* get product string */
623 crom_search_key(cc, CSRKEY_MODEL);
625 crom_parse_text(cc, sdev->product, sizeof(sdev->product));
629 sbp_login_callout(void *arg)
631 struct sbp_dev *sdev = (struct sbp_dev *)arg;
632 sbp_mgm_orb(sdev, ORB_FUN_LGI, NULL);
636 sbp_login(struct sbp_dev *sdev)
638 struct timeval delta;
643 timevalsub(&delta, &sdev->target->sbp->last_busreset);
644 t.tv_sec = login_delay / 1000;
645 t.tv_usec = (login_delay % 1000) * 1000;
646 timevalsub(&t, &delta);
647 if (t.tv_sec >= 0 && t.tv_usec > 0)
648 ticks = (t.tv_sec * 1000 + t.tv_usec / 1000) * hz / 1000;
650 kprintf("%s: sec = %ld usec = %ld ticks = %d\n", __func__,
651 t.tv_sec, t.tv_usec, ticks);
653 callout_reset(&sdev->login_callout, ticks,
654 sbp_login_callout, (void *)(sdev));
657 #define SBP_FWDEV_ALIVE(fwdev) (((fwdev)->status == FWDEVATTACHED) \
658 && crom_has_specver((fwdev)->csrrom, CSRVAL_ANSIT10, CSRVAL_T10SBP2))
661 sbp_probe_target(void *arg)
663 struct sbp_target *target = (struct sbp_target *)arg;
664 struct sbp_softc *sbp;
665 struct sbp_dev *sdev;
666 struct firewire_comm *fc;
669 alive = SBP_FWDEV_ALIVE(target->fwdev);
671 kprintf("sbp_probe_target %d\n", target->target_id);
673 kprintf("not alive\n");
677 fc = target->sbp->fd.fc;
678 sbp_alloc_lun(target);
680 /* XXX untimeout mgm_ocb and dequeue */
681 for (i=0; i < target->num_lun; i++) {
682 sdev = target->luns[i];
685 if (alive && (sdev->status != SBP_DEV_DEAD)) {
686 if (sdev->path != NULL) {
687 xpt_freeze_devq(sdev->path, 1);
692 sbp_show_sdev_info(sdev,
693 (sdev->status == SBP_DEV_RESET));
696 sbp_abort_all_ocbs(sdev, CAM_SCSI_BUS_RESET);
697 switch (sdev->status) {
699 /* new or revived target */
703 case SBP_DEV_TOATTACH:
705 case SBP_DEV_ATTACHED:
708 sbp_mgm_orb(sdev, ORB_FUN_RCN, NULL);
712 switch (sdev->status) {
713 case SBP_DEV_ATTACHED:
715 /* the device has gone */
716 sbp_show_sdev_info(sdev, 2);
717 kprintf("lost target\n");
720 xpt_freeze_devq(sdev->path, 1);
723 sdev->status = SBP_DEV_RETRY;
724 sbp_abort_all_ocbs(sdev, CAM_SCSI_BUS_RESET);
727 case SBP_DEV_TOATTACH:
728 sdev->status = SBP_DEV_RESET;
740 sbp_post_busreset(void *arg)
742 struct sbp_softc *sbp;
744 sbp = (struct sbp_softc *)arg;
746 kprintf("sbp_post_busreset\n");
748 if ((sbp->sim->flags & SIMQ_FREEZED) == 0) {
749 xpt_freeze_simq(sbp->sim, /*count*/1);
750 sbp->sim->flags |= SIMQ_FREEZED;
752 microtime(&sbp->last_busreset);
756 sbp_post_explore(void *arg)
758 struct sbp_softc *sbp = (struct sbp_softc *)arg;
759 struct sbp_target *target;
760 struct fw_device *fwdev;
764 kprintf("sbp_post_explore\n");
773 * XXX don't let CAM the bus rest.
774 * CAM tries to do something with freezed (DEV_RETRY) devices.
776 xpt_async(AC_BUS_RESET, sbp->path, /*arg*/ NULL);
779 /* Gabage Collection */
780 for(i = 0 ; i < SBP_NUM_TARGETS ; i ++){
781 target = &sbp->targets[i];
782 STAILQ_FOREACH(fwdev, &sbp->fd.fc->devices, link)
783 if (target->fwdev == NULL || target->fwdev == fwdev)
786 /* device has removed in lower driver */
787 sbp_cam_detach_target(target);
788 sbp_free_target(target);
791 /* traverse device list */
792 STAILQ_FOREACH(fwdev, &sbp->fd.fc->devices, link) {
794 kprintf("sbp_post_explore: EUI:%08x%08x ",
795 fwdev->eui.hi, fwdev->eui.lo);
796 if (fwdev->status != FWDEVATTACHED)
797 kprintf("not attached, state=%d.\n", fwdev->status);
799 kprintf("attached\n");
801 alive = SBP_FWDEV_ALIVE(fwdev);
802 for(i = 0 ; i < SBP_NUM_TARGETS ; i ++){
803 target = &sbp->targets[i];
804 if(target->fwdev == fwdev ) {
809 if(i == SBP_NUM_TARGETS){
812 target = sbp_alloc_target(sbp, fwdev);
819 sbp_probe_target((void *)target);
820 if (target->num_lun == 0)
821 sbp_free_target(target);
823 xpt_release_simq(sbp->sim, /*run queue*/TRUE);
824 sbp->sim->flags &= ~SIMQ_FREEZED;
829 sbp_loginres_callback(struct fw_xfer *xfer){
830 struct sbp_dev *sdev;
831 sdev = (struct sbp_dev *)xfer->sc;
833 sbp_show_sdev_info(sdev, 2);
834 kprintf("sbp_loginres_callback\n");
838 STAILQ_INSERT_TAIL(&sdev->target->sbp->fwb.xferlist, xfer, link);
845 sbp_xfer_free(struct fw_xfer *xfer)
847 struct sbp_dev *sdev;
849 sdev = (struct sbp_dev *)xfer->sc;
850 fw_xfer_unload(xfer);
852 STAILQ_INSERT_TAIL(&sdev->target->xferlist, xfer, link);
857 sbp_reset_start_callback(struct fw_xfer *xfer)
859 struct sbp_dev *tsdev, *sdev = (struct sbp_dev *)xfer->sc;
860 struct sbp_target *target = sdev->target;
863 if (xfer->resp != 0) {
864 sbp_show_sdev_info(sdev, 2);
865 kprintf("sbp_reset_start failed: resp=%d\n", xfer->resp);
868 for (i = 0; i < target->num_lun; i++) {
869 tsdev = target->luns[i];
870 if (tsdev != NULL && tsdev->status == SBP_DEV_LOGIN)
876 sbp_reset_start(struct sbp_dev *sdev)
878 struct fw_xfer *xfer;
882 sbp_show_sdev_info(sdev, 2);
883 kprintf("sbp_reset_start\n");
886 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0);
887 xfer->act.hand = sbp_reset_start_callback;
888 fp = &xfer->send.hdr;
889 fp->mode.wreqq.dest_hi = 0xffff;
890 fp->mode.wreqq.dest_lo = 0xf0000000 | RESET_START;
891 fp->mode.wreqq.data = htonl(0xf);
892 fw_asyreq(xfer->fc, -1, xfer);
896 sbp_mgm_callback(struct fw_xfer *xfer)
898 struct sbp_dev *sdev;
901 sdev = (struct sbp_dev *)xfer->sc;
904 sbp_show_sdev_info(sdev, 2);
905 kprintf("sbp_mgm_callback\n");
911 sbp_show_sdev_info(sdev, 2);
912 kprintf("management ORB failed(%d) ... RESET_START\n", resp);
913 sbp_reset_start(sdev);
919 static struct sbp_dev *
920 sbp_next_dev(struct sbp_target *target, int lun)
922 struct sbp_dev **sdevp;
925 for (i = lun, sdevp = &target->luns[lun]; i < target->num_lun;
927 if (*sdevp != NULL && (*sdevp)->status == SBP_DEV_PROBE)
934 sbp_cam_scan_lun(struct cam_periph *periph, union ccb *ccb)
936 struct sbp_target *target;
937 struct sbp_dev *sdev;
939 sdev = (struct sbp_dev *) ccb->ccb_h.ccb_sdev_ptr;
940 target = sdev->target;
942 sbp_show_sdev_info(sdev, 2);
943 kprintf("sbp_cam_scan_lun\n");
945 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
946 sdev->status = SBP_DEV_ATTACHED;
948 sbp_show_sdev_info(sdev, 2);
949 kprintf("scan failed\n");
951 sdev = sbp_next_dev(target, sdev->lun_id + 1);
957 xpt_setup_ccb(&ccb->ccb_h, sdev->path, SCAN_PRI);
958 ccb->ccb_h.ccb_sdev_ptr = sdev;
960 xpt_release_devq(sdev->path, sdev->freeze, TRUE);
965 sbp_cam_scan_target(void *arg)
967 struct sbp_target *target = (struct sbp_target *)arg;
968 struct sbp_dev *sdev;
971 sdev = sbp_next_dev(target, 0);
973 kprintf("sbp_cam_scan_target: nothing to do for target%d\n",
978 sbp_show_sdev_info(sdev, 2);
979 kprintf("sbp_cam_scan_target\n");
981 ccb = kmalloc(sizeof(union ccb), M_SBP, M_WAITOK | M_ZERO);
982 xpt_setup_ccb(&ccb->ccb_h, sdev->path, SCAN_PRI);
983 ccb->ccb_h.func_code = XPT_SCAN_LUN;
984 ccb->ccb_h.cbfcnp = sbp_cam_scan_lun;
985 ccb->ccb_h.flags |= CAM_DEV_QFREEZE;
986 ccb->crcn.flags = CAM_FLAG_NONE;
987 ccb->ccb_h.ccb_sdev_ptr = sdev;
989 /* The scan is in progress now. */
991 xpt_release_devq(sdev->path, sdev->freeze, TRUE);
996 sbp_scan_dev(struct sbp_dev *sdev)
998 sdev->status = SBP_DEV_PROBE;
999 callout_reset(&sdev->target->scan_callout, scan_delay * hz / 1000,
1000 sbp_cam_scan_target, (void *)sdev->target);
1004 sbp_do_attach(struct fw_xfer *xfer)
1006 struct sbp_dev *sdev;
1007 struct sbp_target *target;
1008 struct sbp_softc *sbp;
1010 sdev = (struct sbp_dev *)xfer->sc;
1011 target = sdev->target;
1014 sbp_show_sdev_info(sdev, 2);
1015 kprintf("sbp_do_attach\n");
1017 sbp_xfer_free(xfer);
1019 if (sdev->path == NULL)
1020 xpt_create_path(&sdev->path, xpt_periph,
1021 cam_sim_path(target->sbp->sim),
1022 target->target_id, sdev->lun_id);
1026 * Let CAM scan the bus if we are in the boot process.
1027 * XXX xpt_scan_bus cannot detect LUN larger than 0
1028 * if LUN 0 doesn't exists.
1031 sdev->status = SBP_DEV_ATTACHED;
1041 sbp_agent_reset_callback(struct fw_xfer *xfer)
1043 struct sbp_dev *sdev;
1045 sdev = (struct sbp_dev *)xfer->sc;
1047 sbp_show_sdev_info(sdev, 2);
1048 kprintf("%s\n", __func__);
1050 if (xfer->resp != 0) {
1051 sbp_show_sdev_info(sdev, 2);
1052 kprintf("%s: resp=%d\n", __func__, xfer->resp);
1055 sbp_xfer_free(xfer);
1057 xpt_release_devq(sdev->path, sdev->freeze, TRUE);
1063 sbp_agent_reset(struct sbp_dev *sdev)
1065 struct fw_xfer *xfer;
1069 sbp_show_sdev_info(sdev, 2);
1070 kprintf("sbp_agent_reset\n");
1072 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0x04);
1075 if (sdev->status == SBP_DEV_ATTACHED || sdev->status == SBP_DEV_PROBE)
1076 xfer->act.hand = sbp_agent_reset_callback;
1078 xfer->act.hand = sbp_do_attach;
1079 fp = &xfer->send.hdr;
1080 fp->mode.wreqq.data = htonl(0xf);
1081 fw_asyreq(xfer->fc, -1, xfer);
1082 sbp_abort_all_ocbs(sdev, CAM_BDR_SENT);
1086 sbp_busy_timeout_callback(struct fw_xfer *xfer)
1088 struct sbp_dev *sdev;
1090 sdev = (struct sbp_dev *)xfer->sc;
1092 sbp_show_sdev_info(sdev, 2);
1093 kprintf("sbp_busy_timeout_callback\n");
1095 sbp_xfer_free(xfer);
1096 sbp_agent_reset(sdev);
1100 sbp_busy_timeout(struct sbp_dev *sdev)
1103 struct fw_xfer *xfer;
1105 sbp_show_sdev_info(sdev, 2);
1106 kprintf("sbp_busy_timeout\n");
1108 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0);
1110 xfer->act.hand = sbp_busy_timeout_callback;
1111 fp = &xfer->send.hdr;
1112 fp->mode.wreqq.dest_hi = 0xffff;
1113 fp->mode.wreqq.dest_lo = 0xf0000000 | BUSY_TIMEOUT;
1114 fp->mode.wreqq.data = htonl((1 << (13+12)) | 0xf);
1115 fw_asyreq(xfer->fc, -1, xfer);
1119 sbp_orb_pointer_callback(struct fw_xfer *xfer)
1121 struct sbp_dev *sdev;
1122 sdev = (struct sbp_dev *)xfer->sc;
1125 sbp_show_sdev_info(sdev, 2);
1126 kprintf("%s\n", __func__);
1128 if (xfer->resp != 0) {
1130 kprintf("%s: xfer->resp = %d\n", __func__, xfer->resp);
1132 sbp_xfer_free(xfer);
1133 sdev->flags &= ~ORB_POINTER_ACTIVE;
1135 if ((sdev->flags & ORB_POINTER_NEED) != 0) {
1136 struct sbp_ocb *ocb;
1138 sdev->flags &= ~ORB_POINTER_NEED;
1139 ocb = STAILQ_FIRST(&sdev->ocbs);
1141 sbp_orb_pointer(sdev, ocb);
1147 sbp_orb_pointer(struct sbp_dev *sdev, struct sbp_ocb *ocb)
1149 struct fw_xfer *xfer;
1152 sbp_show_sdev_info(sdev, 2);
1153 kprintf("%s: 0x%08x\n", __func__, (u_int32_t)ocb->bus_addr);
1156 if ((sdev->flags & ORB_POINTER_ACTIVE) != 0) {
1158 kprintf("%s: orb pointer active\n", __func__);
1160 sdev->flags |= ORB_POINTER_NEED;
1164 sdev->flags |= ORB_POINTER_ACTIVE;
1165 xfer = sbp_write_cmd(sdev, FWTCODE_WREQB, 0x08);
1168 xfer->act.hand = sbp_orb_pointer_callback;
1170 fp = &xfer->send.hdr;
1171 fp->mode.wreqb.len = 8;
1172 fp->mode.wreqb.extcode = 0;
1173 xfer->send.payload[0] =
1174 htonl(((sdev->target->sbp->fd.fc->nodeid | FWLOCALBUS )<< 16));
1175 xfer->send.payload[1] = htonl((u_int32_t)ocb->bus_addr);
1177 if(fw_asyreq(xfer->fc, -1, xfer) != 0){
1178 sbp_xfer_free(xfer);
1179 ocb->ccb->ccb_h.status = CAM_REQ_INVALID;
1186 sbp_cmd_callback(struct fw_xfer *xfer)
1189 struct sbp_dev *sdev;
1190 sdev = (struct sbp_dev *)xfer->sc;
1191 sbp_show_sdev_info(sdev, 2);
1192 kprintf("sbp_cmd_callback\n");
1194 if (xfer->resp != 0) {
1196 kprintf("%s: xfer->resp = %d\n", __func__, xfer->resp);
1198 sbp_xfer_free(xfer);
1203 sbp_doorbell(struct sbp_dev *sdev)
1205 struct fw_xfer *xfer;
1208 sbp_show_sdev_info(sdev, 2);
1209 kprintf("sbp_doorbell\n");
1212 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0x10);
1215 xfer->act.hand = sbp_cmd_callback;
1216 fp = (struct fw_pkt *)xfer->send.buf;
1217 fp->mode.wreqq.data = htonl(0xf);
1218 fw_asyreq(xfer->fc, -1, xfer);
1222 static struct fw_xfer *
1223 sbp_write_cmd(struct sbp_dev *sdev, int tcode, int offset)
1225 struct fw_xfer *xfer;
1227 struct sbp_target *target;
1230 target = sdev->target;
1232 xfer = STAILQ_FIRST(&target->xferlist);
1234 if (target->n_xfer > 5 /* XXX */) {
1235 kprintf("sbp: no more xfer for this target\n");
1239 xfer = fw_xfer_alloc_buf(M_SBP, 8, 0);
1241 kprintf("sbp: fw_xfer_alloc_buf failed\n");
1247 kprintf("sbp: alloc %d xfer\n", target->n_xfer);
1250 STAILQ_REMOVE_HEAD(&target->xferlist, link);
1254 microtime(&xfer->tv);
1257 xfer->recv.pay_len = 0;
1258 xfer->send.spd = min(sdev->target->fwdev->speed, max_speed);
1259 xfer->fc = sdev->target->sbp->fd.fc;
1260 xfer->retry_req = fw_asybusy;
1263 if (tcode == FWTCODE_WREQB)
1264 xfer->send.pay_len = 8;
1266 xfer->send.pay_len = 0;
1268 xfer->sc = (caddr_t)sdev;
1269 fp = &xfer->send.hdr;
1270 fp->mode.wreqq.dest_hi = sdev->login->cmd_hi;
1271 fp->mode.wreqq.dest_lo = sdev->login->cmd_lo + offset;
1272 fp->mode.wreqq.tlrt = 0;
1273 fp->mode.wreqq.tcode = tcode;
1274 fp->mode.wreqq.pri = 0;
1275 fp->mode.wreqq.dst = FWLOCALBUS | sdev->target->fwdev->dst;
1282 sbp_mgm_orb(struct sbp_dev *sdev, int func, struct sbp_ocb *aocb)
1284 struct fw_xfer *xfer;
1286 struct sbp_ocb *ocb;
1287 struct sbp_target *target;
1290 target = sdev->target;
1291 nid = target->sbp->fd.fc->nodeid | FWLOCALBUS;
1294 if (func == ORB_FUN_RUNQUEUE) {
1295 ocb = STAILQ_FIRST(&target->mgm_ocb_queue);
1296 if (target->mgm_ocb_cur != NULL || ocb == NULL) {
1300 STAILQ_REMOVE_HEAD(&target->mgm_ocb_queue, ocb);
1303 if ((ocb = sbp_get_ocb(sdev)) == NULL) {
1308 ocb->flags = OCB_ACT_MGM;
1311 bzero((void *)ocb->orb, sizeof(ocb->orb));
1312 ocb->orb[6] = htonl((nid << 16) | SBP_BIND_HI);
1313 ocb->orb[7] = htonl(SBP_DEV2ADDR(target->target_id, sdev->lun_id));
1316 sbp_show_sdev_info(sdev, 2);
1317 kprintf("%s\n", orb_fun_name[(func>>16)&0xf]);
1321 ocb->orb[0] = ocb->orb[1] = 0; /* password */
1322 ocb->orb[2] = htonl(nid << 16);
1323 ocb->orb[3] = htonl(sdev->dma.bus_addr);
1324 ocb->orb[4] = htonl(ORB_NOTIFY | sdev->lun_id);
1326 ocb->orb[4] |= htonl(ORB_EXV);
1327 ocb->orb[5] = htonl(SBP_LOGIN_SIZE);
1328 fwdma_sync(&sdev->dma, BUS_DMASYNC_PREREAD);
1331 ocb->orb[0] = htonl((0 << 16) | 0);
1332 ocb->orb[1] = htonl(aocb->bus_addr & 0xffffffff);
1339 ocb->orb[4] = htonl(ORB_NOTIFY | func | sdev->login->id);
1343 if (target->mgm_ocb_cur != NULL) {
1344 /* there is a standing ORB */
1345 STAILQ_INSERT_TAIL(&sdev->target->mgm_ocb_queue, ocb, ocb);
1350 target->mgm_ocb_cur = ocb;
1353 callout_reset(&target->mgm_ocb_timeout, 5*hz,
1354 sbp_mgm_timeout, (caddr_t)ocb);
1355 xfer = sbp_write_cmd(sdev, FWTCODE_WREQB, 0);
1359 xfer->act.hand = sbp_mgm_callback;
1361 fp = &xfer->send.hdr;
1362 fp->mode.wreqb.dest_hi = sdev->target->mgm_hi;
1363 fp->mode.wreqb.dest_lo = sdev->target->mgm_lo;
1364 fp->mode.wreqb.len = 8;
1365 fp->mode.wreqb.extcode = 0;
1366 xfer->send.payload[0] = htonl(nid << 16);
1367 xfer->send.payload[1] = htonl(ocb->bus_addr & 0xffffffff);
1369 sbp_show_sdev_info(sdev, 2);
1370 kprintf("mgm orb: %08x\n", (u_int32_t)ocb->bus_addr);
1373 fw_asyreq(xfer->fc, -1, xfer);
1377 sbp_print_scsi_cmd(struct sbp_ocb *ocb)
1379 struct ccb_scsiio *csio;
1381 csio = &ocb->ccb->csio;
1382 kprintf("%s:%d:%d XPT_SCSI_IO: "
1383 "cmd: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x"
1385 "%db cmd/%db data/%db sense\n",
1386 device_get_nameunit(ocb->sdev->target->sbp->fd.dev),
1387 ocb->ccb->ccb_h.target_id, ocb->ccb->ccb_h.target_lun,
1388 csio->cdb_io.cdb_bytes[0],
1389 csio->cdb_io.cdb_bytes[1],
1390 csio->cdb_io.cdb_bytes[2],
1391 csio->cdb_io.cdb_bytes[3],
1392 csio->cdb_io.cdb_bytes[4],
1393 csio->cdb_io.cdb_bytes[5],
1394 csio->cdb_io.cdb_bytes[6],
1395 csio->cdb_io.cdb_bytes[7],
1396 csio->cdb_io.cdb_bytes[8],
1397 csio->cdb_io.cdb_bytes[9],
1398 ocb->ccb->ccb_h.flags & CAM_DIR_MASK,
1399 csio->cdb_len, csio->dxfer_len,
1404 sbp_scsi_status(struct sbp_status *sbp_status, struct sbp_ocb *ocb)
1406 struct sbp_cmd_status *sbp_cmd_status;
1407 struct scsi_sense_data *sense;
1409 sbp_cmd_status = (struct sbp_cmd_status *)sbp_status->data;
1410 sense = &ocb->ccb->csio.sense_data;
1413 sbp_print_scsi_cmd(ocb);
1414 /* XXX need decode status */
1415 sbp_show_sdev_info(ocb->sdev, 2);
1416 kprintf("SCSI status %x sfmt %x valid %x key %x code %x qlfr %x len %d\n",
1417 sbp_cmd_status->status,
1418 sbp_cmd_status->sfmt,
1419 sbp_cmd_status->valid,
1420 sbp_cmd_status->s_key,
1421 sbp_cmd_status->s_code,
1422 sbp_cmd_status->s_qlfr,
1427 switch (sbp_cmd_status->status) {
1428 case SCSI_STATUS_CHECK_COND:
1429 case SCSI_STATUS_BUSY:
1430 case SCSI_STATUS_CMD_TERMINATED:
1431 if(sbp_cmd_status->sfmt == SBP_SFMT_CURR){
1432 sense->error_code = SSD_CURRENT_ERROR;
1434 sense->error_code = SSD_DEFERRED_ERROR;
1436 if(sbp_cmd_status->valid)
1437 sense->error_code |= SSD_ERRCODE_VALID;
1438 sense->flags = sbp_cmd_status->s_key;
1439 if(sbp_cmd_status->mark)
1440 sense->flags |= SSD_FILEMARK;
1441 if(sbp_cmd_status->eom)
1442 sense->flags |= SSD_EOM;
1443 if(sbp_cmd_status->ill_len)
1444 sense->flags |= SSD_ILI;
1446 bcopy(&sbp_cmd_status->info, &sense->info[0], 4);
1448 if (sbp_status->len <= 1)
1449 /* XXX not scsi status. shouldn't be happened */
1450 sense->extra_len = 0;
1451 else if (sbp_status->len <= 4)
1452 /* add_sense_code(_qual), info, cmd_spec_info */
1453 sense->extra_len = 6;
1455 /* fru, sense_key_spec */
1456 sense->extra_len = 10;
1458 bcopy(&sbp_cmd_status->cdb, &sense->cmd_spec_info[0], 4);
1460 sense->add_sense_code = sbp_cmd_status->s_code;
1461 sense->add_sense_code_qual = sbp_cmd_status->s_qlfr;
1462 sense->fru = sbp_cmd_status->fru;
1464 bcopy(&sbp_cmd_status->s_keydep[0],
1465 &sense->sense_key_spec[0], 3);
1467 ocb->ccb->csio.scsi_status = sbp_cmd_status->status;
1468 ocb->ccb->ccb_h.status = CAM_SCSI_STATUS_ERROR
1469 | CAM_AUTOSNS_VALID;
1474 for( j = 0 ; j < 32 ; j+=8){
1475 kprintf("sense %02x%02x %02x%02x %02x%02x %02x%02x\n",
1476 tmp[j], tmp[j+1], tmp[j+2], tmp[j+3],
1477 tmp[j+4], tmp[j+5], tmp[j+6], tmp[j+7]);
1484 sbp_show_sdev_info(ocb->sdev, 2);
1485 kprintf("sbp_scsi_status: unknown scsi status 0x%x\n",
1486 sbp_cmd_status->status);
1491 sbp_fix_inq_data(struct sbp_ocb *ocb)
1494 struct sbp_dev *sdev;
1495 struct scsi_inquiry_data *inq;
1500 if (ccb->csio.cdb_io.cdb_bytes[1] & SI_EVPD)
1503 sbp_show_sdev_info(sdev, 2);
1504 kprintf("sbp_fix_inq_data\n");
1506 inq = (struct scsi_inquiry_data *) ccb->csio.data_ptr;
1507 switch (SID_TYPE(inq)) {
1511 * XXX Convert Direct Access device to RBC.
1512 * I've never seen FireWire DA devices which support READ_6.
1514 if (SID_TYPE(inq) == T_DIRECT)
1515 inq->device |= T_RBC; /* T_DIRECT == 0 */
1519 /* enable tagged queuing */
1521 inq->flags |= SID_CmdQue;
1523 inq->flags &= ~SID_CmdQue;
1525 * Override vendor/product/revision information.
1526 * Some devices sometimes return strange strings.
1529 bcopy(sdev->vendor, inq->vendor, sizeof(inq->vendor));
1530 bcopy(sdev->product, inq->product, sizeof(inq->product));
1531 bcopy(sdev->revision+2, inq->revision, sizeof(inq->revision));
1538 sbp_recv1(struct fw_xfer *xfer)
1544 struct sbp_softc *sbp;
1545 struct sbp_dev *sdev;
1546 struct sbp_ocb *ocb;
1547 struct sbp_login_res *login_res = NULL;
1548 struct sbp_status *sbp_status;
1549 struct sbp_target *target;
1550 int orb_fun, status_valid0, status_valid, t, l, reset_agent = 0;
1554 ld = xfer->recv.buf;
1555 kprintf("sbp %x %d %d %08x %08x %08x %08x\n",
1556 xfer->resp, xfer->recv.len, xfer->recv.off, ntohl(ld[0]), ntohl(ld[1]), ntohl(ld[2]), ntohl(ld[3]));
1557 kprintf("sbp %08x %08x %08x %08x\n", ntohl(ld[4]), ntohl(ld[5]), ntohl(ld[6]), ntohl(ld[7]));
1558 kprintf("sbp %08x %08x %08x %08x\n", ntohl(ld[8]), ntohl(ld[9]), ntohl(ld[10]), ntohl(ld[11]));
1560 sbp = (struct sbp_softc *)xfer->sc;
1561 if (xfer->resp != 0){
1562 kprintf("sbp_recv: xfer->resp = %d\n", xfer->resp);
1565 if (xfer->recv.payload == NULL){
1566 kprintf("sbp_recv: xfer->recv.payload == NULL\n");
1569 rfp = &xfer->recv.hdr;
1570 if(rfp->mode.wreqb.tcode != FWTCODE_WREQB){
1571 kprintf("sbp_recv: tcode = %d\n", rfp->mode.wreqb.tcode);
1574 sbp_status = (struct sbp_status *)xfer->recv.payload;
1575 addr = rfp->mode.wreqb.dest_lo;
1577 kprintf("received address 0x%x\n", addr);
1579 t = SBP_ADDR2TRG(addr);
1580 if (t >= SBP_NUM_TARGETS) {
1581 device_printf(sbp->fd.dev,
1582 "sbp_recv1: invalid target %d\n", t);
1585 target = &sbp->targets[t];
1586 l = SBP_ADDR2LUN(addr);
1587 if (l >= target->num_lun || target->luns[l] == NULL) {
1588 device_printf(sbp->fd.dev,
1589 "sbp_recv1: invalid lun %d (target=%d)\n", l, t);
1592 sdev = target->luns[l];
1595 switch (sbp_status->src) {
1598 /* check mgm_ocb_cur first */
1599 ocb = target->mgm_ocb_cur;
1601 if (OCB_MATCH(ocb, sbp_status)) {
1602 callout_stop(&target->mgm_ocb_timeout);
1603 target->mgm_ocb_cur = NULL;
1607 ocb = sbp_dequeue_ocb(sdev, sbp_status);
1609 sbp_show_sdev_info(sdev, 2);
1610 kprintf("No ocb(%x) on the queue\n",
1611 ntohl(sbp_status->orb_lo));
1616 sbp_show_sdev_info(sdev, 2);
1617 kprintf("unsolicit status received\n");
1620 sbp_show_sdev_info(sdev, 2);
1621 kprintf("unknown sbp_status->src\n");
1624 status_valid0 = (sbp_status->src < 2
1625 && sbp_status->resp == ORB_RES_CMPL
1626 && sbp_status->dead == 0);
1627 status_valid = (status_valid0 && sbp_status->status == 0);
1629 if (!status_valid0 || debug > 2){
1632 sbp_show_sdev_info(sdev, 2);
1633 kprintf("ORB status src:%x resp:%x dead:%x"
1634 " len:%x stat:%x orb:%x%08x\n",
1635 sbp_status->src, sbp_status->resp, sbp_status->dead,
1636 sbp_status->len, sbp_status->status,
1637 ntohs(sbp_status->orb_hi), ntohl(sbp_status->orb_lo));
1639 sbp_show_sdev_info(sdev, 2);
1640 status = sbp_status->status;
1641 switch(sbp_status->resp) {
1643 if (status > MAX_ORB_STATUS0)
1644 kprintf("%s\n", orb_status0[MAX_ORB_STATUS0]);
1646 kprintf("%s\n", orb_status0[status]);
1649 kprintf("Obj: %s, Error: %s\n",
1650 orb_status1_object[(status>>6) & 3],
1651 orb_status1_serial_bus_error[status & 0xf]);
1654 kprintf("Illegal request\n");
1657 kprintf("Vendor dependent\n");
1660 kprintf("unknown respose code %d\n", sbp_status->resp);
1664 /* we have to reset the fetch agent if it's dead */
1665 if (sbp_status->dead) {
1667 xpt_freeze_devq(sdev->path, 1);
1676 switch(ntohl(ocb->orb[4]) & ORB_FMT_MSK){
1682 switch(ocb->flags) {
1684 orb_fun = ntohl(ocb->orb[4]) & ORB_FUN_MSK;
1688 fwdma_sync(&sdev->dma, BUS_DMASYNC_POSTREAD);
1689 login_res = sdev->login;
1690 login_res->len = ntohs(login_res->len);
1691 login_res->id = ntohs(login_res->id);
1692 login_res->cmd_hi = ntohs(login_res->cmd_hi);
1693 login_res->cmd_lo = ntohl(login_res->cmd_lo);
1696 sbp_show_sdev_info(sdev, 2);
1697 kprintf("login: len %d, ID %d, cmd %08x%08x, recon_hold %d\n", login_res->len, login_res->id, login_res->cmd_hi, login_res->cmd_lo, ntohs(login_res->recon_hold));
1699 sbp_busy_timeout(sdev);
1701 /* forgot logout? */
1702 sbp_show_sdev_info(sdev, 2);
1703 kprintf("login failed\n");
1704 sdev->status = SBP_DEV_RESET;
1708 login_res = sdev->login;
1711 sbp_show_sdev_info(sdev, 2);
1712 kprintf("reconnect: len %d, ID %d, cmd %08x%08x\n", login_res->len, login_res->id, login_res->cmd_hi, login_res->cmd_lo);
1715 if (sdev->status == SBP_DEV_ATTACHED)
1718 sbp_agent_reset(sdev);
1720 sdev->status = SBP_DEV_ATTACHED;
1721 sbp_mgm_orb(sdev, ORB_FUN_ATS, NULL);
1724 /* reconnection hold time exceed? */
1726 sbp_show_sdev_info(sdev, 2);
1727 kprintf("reconnect failed\n");
1733 sdev->status = SBP_DEV_RESET;
1736 sbp_busy_timeout(sdev);
1741 sbp_agent_reset(sdev);
1744 sbp_show_sdev_info(sdev, 2);
1745 kprintf("unknown function %d\n", orb_fun);
1748 sbp_mgm_orb(sdev, ORB_FUN_RUNQUEUE, NULL);
1752 if(ocb->ccb != NULL){
1756 ld = ocb->ccb->csio.data_ptr;
1757 if(ld != NULL && ocb->ccb->csio.dxfer_len != 0)
1758 kprintf("ptr %08x %08x %08x %08x\n", ld[0], ld[1], ld[2], ld[3]);
1760 kprintf("ptr NULL\n");
1761 kprintf("len %d\n", sbp_status->len);
1764 if(sbp_status->len > 1){
1765 sbp_scsi_status(sbp_status, ocb);
1767 if(sbp_status->resp != ORB_RES_CMPL){
1768 ccb->ccb_h.status = CAM_REQ_CMP_ERR;
1770 ccb->ccb_h.status = CAM_REQ_CMP;
1773 /* fix up inq data */
1774 if (ccb->csio.cdb_io.cdb_bytes[0] == INQUIRY)
1775 sbp_fix_inq_data(ocb);
1784 sbp_free_ocb(sdev, ocb);
1787 sbp_agent_reset(sdev);
1790 xfer->recv.pay_len = SBP_RECV_LEN;
1791 /* The received packet is usually small enough to be stored within
1792 * the buffer. In that case, the controller return ack_complete and
1793 * no respose is necessary.
1795 * XXX fwohci.c and firewire.c should inform event_code such as
1796 * ack_complete or ack_pending to upper driver.
1800 sfp = (struct fw_pkt *)xfer->send.buf;
1801 sfp->mode.wres.dst = rfp->mode.wreqb.src;
1802 xfer->dst = sfp->mode.wres.dst;
1803 xfer->spd = min(sdev->target->fwdev->speed, max_speed);
1804 xfer->act.hand = sbp_loginres_callback;
1805 xfer->retry_req = fw_asybusy;
1807 sfp->mode.wres.tlrt = rfp->mode.wreqb.tlrt;
1808 sfp->mode.wres.tcode = FWTCODE_WRES;
1809 sfp->mode.wres.rtcode = 0;
1810 sfp->mode.wres.pri = 0;
1812 fw_asyreq(xfer->fc, -1, xfer);
1815 STAILQ_INSERT_TAIL(&sbp->fwb.xferlist, xfer, link);
1823 sbp_recv(struct fw_xfer *xfer)
1833 sbp_attach(device_t dev)
1835 struct sbp_softc *sbp;
1836 struct cam_devq *devq;
1837 struct fw_xfer *xfer;
1841 kprintf("sbp_attach (cold=%d)\n", cold);
1848 sbp = ((struct sbp_softc *)device_get_softc(dev));
1849 bzero(sbp, sizeof(struct sbp_softc));
1851 sbp->fd.fc = device_get_ivars(dev);
1854 max_speed = sbp->fd.fc->speed;
1856 error = bus_dma_tag_create(/*parent*/sbp->fd.fc->dmat,
1857 /* XXX shoud be 4 for sane backend? */
1860 /*lowaddr*/BUS_SPACE_MAXADDR_32BIT,
1861 /*highaddr*/BUS_SPACE_MAXADDR,
1862 /*filter*/NULL, /*filterarg*/NULL,
1863 /*maxsize*/0x100000, /*nsegments*/SBP_IND_MAX,
1864 /*maxsegsz*/SBP_SEG_MAX,
1865 /*flags*/BUS_DMA_ALLOCNOW,
1866 #if defined(__FreeBSD__) && __FreeBSD_version >= 501102
1867 /*lockfunc*/busdma_lock_mutex,
1872 kprintf("sbp_attach: Could not allocate DMA tag "
1873 "- error %d\n", error);
1877 devq = cam_simq_alloc(/*maxopenings*/SBP_NUM_OCB);
1881 for( i = 0 ; i < SBP_NUM_TARGETS ; i++){
1882 sbp->targets[i].fwdev = NULL;
1883 sbp->targets[i].luns = NULL;
1886 sbp->sim = cam_sim_alloc(sbp_action, sbp_poll, "sbp", sbp,
1887 device_get_unit(dev),
1889 /*tagged*/ SBP_QUEUE_LEN - 1,
1891 cam_simq_release(devq);
1892 if (sbp->sim == NULL)
1895 if (xpt_bus_register(sbp->sim, /*bus*/0) != CAM_SUCCESS)
1898 if (xpt_create_path(&sbp->path, xpt_periph, cam_sim_path(sbp->sim),
1899 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
1900 xpt_bus_deregister(cam_sim_path(sbp->sim));
1904 /* We reserve 16 bit space (4 bytes X 64 targets X 256 luns) */
1905 sbp->fwb.start = ((u_int64_t)SBP_BIND_HI << 32) | SBP_DEV2ADDR(0, 0);
1906 sbp->fwb.end = sbp->fwb.start + 0xffff;
1907 sbp->fwb.act_type = FWACT_XFER;
1908 /* pre-allocate xfer */
1909 STAILQ_INIT(&sbp->fwb.xferlist);
1910 for (i = 0; i < SBP_NUM_OCB/2; i ++) {
1911 xfer = fw_xfer_alloc_buf(M_SBP,
1913 /* recv */SBP_RECV_LEN);
1914 xfer->act.hand = sbp_recv;
1916 xfer->fc = sbp->fd.fc;
1918 xfer->sc = (caddr_t)sbp;
1919 STAILQ_INSERT_TAIL(&sbp->fwb.xferlist, xfer, link);
1921 fw_bindadd(sbp->fd.fc, &sbp->fwb);
1923 sbp->fd.post_busreset = sbp_post_busreset;
1924 sbp->fd.post_explore = sbp_post_explore;
1926 if (sbp->fd.fc->status != -1) {
1928 sbp_post_busreset((void *)sbp);
1929 sbp_post_explore((void *)sbp);
1932 xpt_async(AC_BUS_RESET, sbp->path, /*arg*/ NULL);
1936 cam_sim_free(sbp->sim);
1941 sbp_logout_all(struct sbp_softc *sbp)
1943 struct sbp_target *target;
1944 struct sbp_dev *sdev;
1948 kprintf("sbp_logout_all\n");
1950 for (i = 0 ; i < SBP_NUM_TARGETS ; i ++) {
1951 target = &sbp->targets[i];
1952 if (target->luns == NULL)
1954 for (j = 0; j < target->num_lun; j++) {
1955 sdev = target->luns[j];
1958 callout_stop(&sdev->login_callout);
1959 if (sdev->status >= SBP_DEV_TOATTACH &&
1960 sdev->status <= SBP_DEV_ATTACHED)
1961 sbp_mgm_orb(sdev, ORB_FUN_LGO, NULL);
1969 sbp_shutdown(device_t dev)
1971 struct sbp_softc *sbp = ((struct sbp_softc *)device_get_softc(dev));
1973 sbp_logout_all(sbp);
1978 sbp_free_sdev(struct sbp_dev *sdev)
1984 for (i = 0; i < SBP_QUEUE_LEN; i++)
1985 bus_dmamap_destroy(sdev->target->sbp->dmat,
1986 sdev->ocb[i].dmamap);
1987 fwdma_free(sdev->target->sbp->fd.fc, &sdev->dma);
1992 sbp_free_target(struct sbp_target *target)
1994 struct sbp_softc *sbp;
1995 struct fw_xfer *xfer, *next;
1998 if (target->luns == NULL)
2000 callout_stop(&target->mgm_ocb_timeout);
2002 for (i = 0; i < target->num_lun; i++)
2003 sbp_free_sdev(target->luns[i]);
2005 for (xfer = STAILQ_FIRST(&target->xferlist);
2006 xfer != NULL; xfer = next) {
2007 next = STAILQ_NEXT(xfer, link);
2008 fw_xfer_free_buf(xfer);
2010 STAILQ_INIT(&target->xferlist);
2011 kfree(target->luns, M_SBP);
2012 target->num_lun = 0;
2013 target->luns = NULL;
2014 target->fwdev = NULL;
2018 sbp_detach(device_t dev)
2020 struct sbp_softc *sbp = ((struct sbp_softc *)device_get_softc(dev));
2021 struct firewire_comm *fc = sbp->fd.fc;
2022 struct fw_xfer *xfer, *next;
2026 kprintf("sbp_detach\n");
2029 for (i = 0; i < SBP_NUM_TARGETS; i ++)
2030 sbp_cam_detach_target(&sbp->targets[i]);
2031 xpt_async(AC_LOST_DEVICE, sbp->path, NULL);
2032 xpt_free_path(sbp->path);
2033 xpt_bus_deregister(cam_sim_path(sbp->sim));
2034 cam_sim_free(sbp->sim);
2036 sbp_logout_all(sbp);
2038 /* XXX wait for logout completion */
2039 tsleep(&i, FWPRI, "sbpdtc", hz/2);
2041 for (i = 0 ; i < SBP_NUM_TARGETS ; i ++)
2042 sbp_free_target(&sbp->targets[i]);
2044 for (xfer = STAILQ_FIRST(&sbp->fwb.xferlist);
2045 xfer != NULL; xfer = next) {
2046 next = STAILQ_NEXT(xfer, link);
2047 fw_xfer_free_buf(xfer);
2049 STAILQ_INIT(&sbp->fwb.xferlist);
2050 fw_bindremove(fc, &sbp->fwb);
2052 bus_dma_tag_destroy(sbp->dmat);
2058 sbp_cam_detach_sdev(struct sbp_dev *sdev)
2062 if (sdev->status == SBP_DEV_DEAD)
2064 if (sdev->status == SBP_DEV_RESET)
2067 xpt_release_devq(sdev->path,
2068 sdev->freeze, TRUE);
2070 xpt_async(AC_LOST_DEVICE, sdev->path, NULL);
2071 xpt_free_path(sdev->path);
2074 sbp_abort_all_ocbs(sdev, CAM_DEV_NOT_THERE);
2078 sbp_cam_detach_target(struct sbp_target *target)
2082 if (target->luns != NULL) {
2084 kprintf("sbp_detach_target %d\n", target->target_id);
2086 callout_stop(&target->scan_callout);
2087 for (i = 0; i < target->num_lun; i++)
2088 sbp_cam_detach_sdev(target->luns[i]);
2093 sbp_target_reset(struct sbp_dev *sdev, int method)
2096 struct sbp_target *target = sdev->target;
2097 struct sbp_dev *tsdev;
2099 for (i = 0; i < target->num_lun; i++) {
2100 tsdev = target->luns[i];
2103 if (tsdev->status == SBP_DEV_DEAD)
2105 if (tsdev->status == SBP_DEV_RESET)
2107 xpt_freeze_devq(tsdev->path, 1);
2109 sbp_abort_all_ocbs(tsdev, CAM_CMD_TIMEOUT);
2111 tsdev->status = SBP_DEV_LOGIN;
2115 kprintf("target reset\n");
2116 sbp_mgm_orb(sdev, ORB_FUN_RST, NULL);
2119 kprintf("reset start\n");
2120 sbp_reset_start(sdev);
2127 sbp_mgm_timeout(void *arg)
2129 struct sbp_ocb *ocb = (struct sbp_ocb *)arg;
2130 struct sbp_dev *sdev = ocb->sdev;
2131 struct sbp_target *target = sdev->target;
2133 sbp_show_sdev_info(sdev, 2);
2134 kprintf("request timeout(mgm orb:0x%08x) ... ",
2135 (u_int32_t)ocb->bus_addr);
2136 target->mgm_ocb_cur = NULL;
2137 sbp_free_ocb(sdev, ocb);
2140 kprintf("run next request\n");
2141 sbp_mgm_orb(sdev, ORB_FUN_RUNQUEUE, NULL);
2144 kprintf("reset start\n");
2145 sbp_reset_start(sdev);
2150 sbp_timeout(void *arg)
2152 struct sbp_ocb *ocb = (struct sbp_ocb *)arg;
2153 struct sbp_dev *sdev = ocb->sdev;
2155 sbp_show_sdev_info(sdev, 2);
2156 kprintf("request timeout(cmd orb:0x%08x) ... ",
2157 (u_int32_t)ocb->bus_addr);
2160 switch(sdev->timeout) {
2162 kprintf("agent reset\n");
2163 xpt_freeze_devq(sdev->path, 1);
2165 sbp_abort_all_ocbs(sdev, CAM_CMD_TIMEOUT);
2166 sbp_agent_reset(sdev);
2170 sbp_target_reset(sdev, sdev->timeout - 1);
2175 sbp_cam_detach_target(target);
2176 if (target->luns != NULL)
2177 kfree(target->luns, M_SBP);
2178 target->num_lun = 0;
2179 target->luns = NULL;
2180 target->fwdev = NULL;
2186 sbp_action1(struct cam_sim *sim, union ccb *ccb)
2189 struct sbp_softc *sbp = (struct sbp_softc *)sim->softc;
2190 struct sbp_target *target = NULL;
2191 struct sbp_dev *sdev = NULL;
2193 /* target:lun -> sdev mapping */
2195 && ccb->ccb_h.target_id != CAM_TARGET_WILDCARD
2196 && ccb->ccb_h.target_id < SBP_NUM_TARGETS) {
2197 target = &sbp->targets[ccb->ccb_h.target_id];
2198 if (target->fwdev != NULL
2199 && ccb->ccb_h.target_lun != CAM_LUN_WILDCARD
2200 && ccb->ccb_h.target_lun < target->num_lun) {
2201 sdev = target->luns[ccb->ccb_h.target_lun];
2202 if (sdev != NULL && sdev->status != SBP_DEV_ATTACHED &&
2203 sdev->status != SBP_DEV_PROBE)
2210 kprintf("invalid target %d lun %d\n",
2211 ccb->ccb_h.target_id, ccb->ccb_h.target_lun);
2214 switch (ccb->ccb_h.func_code) {
2217 case XPT_GET_TRAN_SETTINGS:
2218 case XPT_SET_TRAN_SETTINGS:
2219 case XPT_CALC_GEOMETRY:
2222 kprintf("%s:%d:%d:func_code 0x%04x: "
2223 "Invalid target (target needed)\n",
2224 device_get_nameunit(sbp->fd.dev),
2225 ccb->ccb_h.target_id, ccb->ccb_h.target_lun,
2226 ccb->ccb_h.func_code);
2229 ccb->ccb_h.status = CAM_DEV_NOT_THERE;
2236 /* The opcodes sometimes aimed at a target (sc is valid),
2237 * sometimes aimed at the SIM (sc is invalid and target is
2238 * CAM_TARGET_WILDCARD)
2241 ccb->ccb_h.target_id != CAM_TARGET_WILDCARD) {
2243 kprintf("%s:%d:%d func_code 0x%04x: "
2244 "Invalid target (no wildcard)\n",
2245 device_get_nameunit(sbp->fd.dev),
2246 ccb->ccb_h.target_id, ccb->ccb_h.target_lun,
2247 ccb->ccb_h.func_code);
2249 ccb->ccb_h.status = CAM_DEV_NOT_THERE;
2255 /* XXX Hm, we should check the input parameters */
2259 switch (ccb->ccb_h.func_code) {
2262 struct ccb_scsiio *csio;
2263 struct sbp_ocb *ocb;
2270 kprintf("%s:%d:%d XPT_SCSI_IO: "
2271 "cmd: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x"
2273 "%db cmd/%db data/%db sense\n",
2274 device_get_nameunit(sbp->fd.dev),
2275 ccb->ccb_h.target_id, ccb->ccb_h.target_lun,
2276 csio->cdb_io.cdb_bytes[0],
2277 csio->cdb_io.cdb_bytes[1],
2278 csio->cdb_io.cdb_bytes[2],
2279 csio->cdb_io.cdb_bytes[3],
2280 csio->cdb_io.cdb_bytes[4],
2281 csio->cdb_io.cdb_bytes[5],
2282 csio->cdb_io.cdb_bytes[6],
2283 csio->cdb_io.cdb_bytes[7],
2284 csio->cdb_io.cdb_bytes[8],
2285 csio->cdb_io.cdb_bytes[9],
2286 ccb->ccb_h.flags & CAM_DIR_MASK,
2287 csio->cdb_len, csio->dxfer_len,
2291 ccb->ccb_h.status = CAM_DEV_NOT_THERE;
2296 /* if we are in probe stage, pass only probe commands */
2297 if (sdev->status == SBP_DEV_PROBE) {
2299 name = xpt_path_periph(ccb->ccb_h.path)->periph_name;
2300 kprintf("probe stage, periph name: %s\n", name);
2301 if (strcmp(name, "probe") != 0) {
2302 ccb->ccb_h.status = CAM_REQUEUE_REQ;
2308 if ((ocb = sbp_get_ocb(sdev)) == NULL) {
2309 ccb->ccb_h.status = CAM_REQUEUE_REQ;
2314 ocb->flags = OCB_ACT_CMD;
2317 ccb->ccb_h.ccb_sdev_ptr = sdev;
2318 ocb->orb[0] = htonl(1 << 31);
2320 ocb->orb[2] = htonl(((sbp->fd.fc->nodeid | FWLOCALBUS )<< 16) );
2321 ocb->orb[3] = htonl(ocb->bus_addr + IND_PTR_OFFSET);
2322 speed = min(target->fwdev->speed, max_speed);
2323 ocb->orb[4] = htonl(ORB_NOTIFY | ORB_CMD_SPD(speed)
2324 | ORB_CMD_MAXP(speed + 7));
2325 if((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN){
2326 ocb->orb[4] |= htonl(ORB_CMD_IN);
2329 if (csio->ccb_h.flags & CAM_SCATTER_VALID)
2330 kprintf("sbp: CAM_SCATTER_VALID\n");
2331 if (csio->ccb_h.flags & CAM_DATA_PHYS)
2332 kprintf("sbp: CAM_DATA_PHYS\n");
2334 if (csio->ccb_h.flags & CAM_CDB_POINTER)
2335 cdb = (void *)csio->cdb_io.cdb_ptr;
2337 cdb = (void *)&csio->cdb_io.cdb_bytes;
2338 bcopy(cdb, (void *)&ocb->orb[5], csio->cdb_len);
2340 kprintf("ORB %08x %08x %08x %08x\n", ntohl(ocb->orb[0]), ntohl(ocb->orb[1]), ntohl(ocb->orb[2]), ntohl(ocb->orb[3]));
2341 kprintf("ORB %08x %08x %08x %08x\n", ntohl(ocb->orb[4]), ntohl(ocb->orb[5]), ntohl(ocb->orb[6]), ntohl(ocb->orb[7]));
2343 if (ccb->csio.dxfer_len > 0) {
2347 error = bus_dmamap_load(/*dma tag*/sbp->dmat,
2348 /*dma map*/ocb->dmamap,
2350 ccb->csio.dxfer_len,
2356 kprintf("sbp: bus_dmamap_load error %d\n", error);
2358 sbp_execute_ocb(ocb, NULL, 0, 0);
2361 case XPT_CALC_GEOMETRY:
2363 struct ccb_calc_geometry *ccg;
2364 #if defined(__DragonFly__) || __FreeBSD_version < 501100
2366 u_int32_t secs_per_cylinder;
2371 if (ccg->block_size == 0) {
2372 kprintf("sbp_action1: block_size is 0.\n");
2373 ccb->ccb_h.status = CAM_REQ_INVALID;
2378 kprintf("%s:%d:%d:%d:XPT_CALC_GEOMETRY: "
2379 #if defined(__DragonFly__) || __FreeBSD_version < 500000
2380 "Volume size = %d\n",
2382 "Volume size = %jd\n",
2384 device_get_nameunit(sbp->fd.dev),
2385 cam_sim_path(sbp->sim),
2386 ccb->ccb_h.target_id, ccb->ccb_h.target_lun,
2387 #if defined(__FreeBSD__) && __FreeBSD_version >= 500000
2393 #if defined(__DragonFly__) || __FreeBSD_version < 501100
2394 size_mb = ccg->volume_size
2395 / ((1024L * 1024L) / ccg->block_size);
2397 if (size_mb > 1024 && extended) {
2399 ccg->secs_per_track = 63;
2402 ccg->secs_per_track = 32;
2404 secs_per_cylinder = ccg->heads * ccg->secs_per_track;
2405 ccg->cylinders = ccg->volume_size / secs_per_cylinder;
2406 ccb->ccb_h.status = CAM_REQ_CMP;
2408 cam_calc_geometry(ccg, /*extended*/1);
2413 case XPT_RESET_BUS: /* Reset the specified SCSI bus */
2417 kprintf("%s:%d:XPT_RESET_BUS: \n",
2418 device_get_nameunit(sbp->fd.dev), cam_sim_path(sbp->sim));
2421 ccb->ccb_h.status = CAM_REQ_INVALID;
2425 case XPT_PATH_INQ: /* Path routing inquiry */
2427 struct ccb_pathinq *cpi = &ccb->cpi;
2430 kprintf("%s:%d:%d XPT_PATH_INQ:.\n",
2431 device_get_nameunit(sbp->fd.dev),
2432 ccb->ccb_h.target_id, ccb->ccb_h.target_lun);
2434 cpi->version_num = 1; /* XXX??? */
2435 cpi->hba_inquiry = PI_TAG_ABLE;
2436 cpi->target_sprt = 0;
2437 cpi->hba_misc = PIM_NOBUSRESET | PIM_NO_6_BYTE;
2438 cpi->hba_eng_cnt = 0;
2439 cpi->max_target = SBP_NUM_TARGETS - 1;
2440 cpi->max_lun = SBP_NUM_LUNS - 1;
2441 cpi->initiator_id = SBP_INITIATOR;
2442 cpi->bus_id = sim->bus_id;
2443 cpi->base_transfer_speed = 400 * 1000 / 8;
2444 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
2445 strncpy(cpi->hba_vid, "SBP", HBA_IDLEN);
2446 strncpy(cpi->dev_name, sim->sim_name, DEV_IDLEN);
2447 cpi->unit_number = sim->unit_number;
2449 cpi->ccb_h.status = CAM_REQ_CMP;
2453 case XPT_GET_TRAN_SETTINGS:
2455 struct ccb_trans_settings *cts = &ccb->cts;
2457 kprintf("%s:%d:%d XPT_GET_TRAN_SETTINGS:.\n",
2458 device_get_nameunit(sbp->fd.dev),
2459 ccb->ccb_h.target_id, ccb->ccb_h.target_lun);
2461 /* Enable disconnect and tagged queuing */
2462 cts->valid = CCB_TRANS_DISC_VALID | CCB_TRANS_TQ_VALID;
2463 cts->flags = CCB_TRANS_DISC_ENB | CCB_TRANS_TAG_ENB;
2465 cts->ccb_h.status = CAM_REQ_CMP;
2470 ccb->ccb_h.status = CAM_UA_ABORT;
2473 case XPT_SET_TRAN_SETTINGS:
2476 ccb->ccb_h.status = CAM_REQ_INVALID;
2484 sbp_action(struct cam_sim *sim, union ccb *ccb)
2487 sbp_action1(sim, ccb);
2492 sbp_execute_ocb(void *arg, bus_dma_segment_t *segments, int seg, int error)
2495 struct sbp_ocb *ocb;
2496 struct sbp_ocb *prev;
2497 bus_dma_segment_t *s;
2500 kprintf("sbp_execute_ocb: error=%d\n", error);
2502 ocb = (struct sbp_ocb *)arg;
2505 kprintf("sbp_execute_ocb: seg %d", seg);
2506 for (i = 0; i < seg; i++)
2507 #if defined(__DragonFly__) || __FreeBSD_version < 500000
2508 kprintf(", %x:%d", segments[i].ds_addr, segments[i].ds_len);
2510 kprintf(", %jx:%jd", (uintmax_t)segments[i].ds_addr,
2511 (uintmax_t)segments[i].ds_len);
2517 /* direct pointer */
2519 if (s->ds_len > SBP_SEG_MAX)
2520 panic("ds_len > SBP_SEG_MAX, fix busdma code");
2521 ocb->orb[3] = htonl(s->ds_addr);
2522 ocb->orb[4] |= htonl(s->ds_len);
2523 } else if(seg > 1) {
2525 for (i = 0; i < seg; i++) {
2528 /* XXX LSI Logic "< 16 byte" bug might be hit */
2530 kprintf("sbp_execute_ocb: warning, "
2531 #if defined(__DragonFly__) || __FreeBSD_version < 500000
2532 "segment length(%d) is less than 16."
2534 "segment length(%zd) is less than 16."
2536 "(seg=%d/%d)\n", s->ds_len, i+1, seg);
2538 if (s->ds_len > SBP_SEG_MAX)
2539 panic("ds_len > SBP_SEG_MAX, fix busdma code");
2540 ocb->ind_ptr[i].hi = htonl(s->ds_len << 16);
2541 ocb->ind_ptr[i].lo = htonl(s->ds_addr);
2543 ocb->orb[4] |= htonl(ORB_CMD_PTBL | seg);
2547 bus_dmamap_sync(ocb->sdev->target->sbp->dmat, ocb->dmamap,
2548 (ntohl(ocb->orb[4]) & ORB_CMD_IN) ?
2549 BUS_DMASYNC_PREREAD : BUS_DMASYNC_PREWRITE);
2550 prev = sbp_enqueue_ocb(ocb->sdev, ocb);
2551 fwdma_sync(&ocb->sdev->dma, BUS_DMASYNC_PREWRITE);
2552 if (prev == NULL || (ocb->sdev->flags & ORB_LINK_DEAD) != 0) {
2553 ocb->sdev->flags &= ~ORB_LINK_DEAD;
2554 sbp_orb_pointer(ocb->sdev, ocb);
2559 sbp_poll(struct cam_sim *sim)
2561 struct sbp_softc *sbp;
2562 struct firewire_comm *fc;
2564 sbp = (struct sbp_softc *)sim->softc;
2567 fc->poll(fc, 0, -1);
2572 static struct sbp_ocb *
2573 sbp_dequeue_ocb(struct sbp_dev *sdev, struct sbp_status *sbp_status)
2575 struct sbp_ocb *ocb;
2576 struct sbp_ocb *next;
2583 sbp_show_sdev_info(sdev, 2);
2584 kprintf("%s: 0x%08x src %d\n",
2585 __func__, ntohl(sbp_status->orb_lo), sbp_status->src);
2587 for (ocb = STAILQ_FIRST(&sdev->ocbs); ocb != NULL; ocb = next) {
2588 next = STAILQ_NEXT(ocb, ocb);
2590 if (OCB_MATCH(ocb, sbp_status)) {
2592 STAILQ_REMOVE(&sdev->ocbs, ocb, sbp_ocb, ocb);
2593 if (ocb->ccb != NULL)
2594 callout_stop(&ocb->ccb->ccb_h.timeout_ch);
2595 if (ntohl(ocb->orb[4]) & 0xffff) {
2596 bus_dmamap_sync(sdev->target->sbp->dmat,
2598 (ntohl(ocb->orb[4]) & ORB_CMD_IN) ?
2599 BUS_DMASYNC_POSTREAD :
2600 BUS_DMASYNC_POSTWRITE);
2601 bus_dmamap_unload(sdev->target->sbp->dmat,
2604 if (sbp_status->src == SRC_NO_NEXT) {
2606 sbp_orb_pointer(sdev, next);
2607 else if (order > 0) {
2609 * Unordered execution
2610 * We need to send pointer for
2613 sdev->flags |= ORB_LINK_DEAD;
2622 if (ocb && order > 0) {
2623 sbp_show_sdev_info(sdev, 2);
2624 kprintf("unordered execution order:%d\n", order);
2630 static struct sbp_ocb *
2631 sbp_enqueue_ocb(struct sbp_dev *sdev, struct sbp_ocb *ocb)
2633 struct sbp_ocb *prev;
2638 sbp_show_sdev_info(sdev, 2);
2639 #if defined(__DragonFly__) || __FreeBSD_version < 500000
2640 kprintf("%s: 0x%08x\n", __func__, ocb->bus_addr);
2642 kprintf("%s: 0x%08jx\n", __func__, (uintmax_t)ocb->bus_addr);
2645 prev = STAILQ_LAST(&sdev->ocbs, sbp_ocb, ocb);
2646 STAILQ_INSERT_TAIL(&sdev->ocbs, ocb, ocb);
2648 if (ocb->ccb != NULL)
2649 callout_reset(&ocb->ccb->ccb_h.timeout_ch,
2650 (ocb->ccb->ccb_h.timeout * hz) / 1000, sbp_timeout, ocb);
2654 #if defined(__DragonFly__) || __FreeBSD_version < 500000
2655 kprintf("linking chain 0x%x -> 0x%x\n",
2656 prev->bus_addr, ocb->bus_addr);
2658 kprintf("linking chain 0x%jx -> 0x%jx\n",
2659 (uintmax_t)prev->bus_addr, (uintmax_t)ocb->bus_addr);
2662 prev->orb[1] = htonl(ocb->bus_addr);
2670 static struct sbp_ocb *
2671 sbp_get_ocb(struct sbp_dev *sdev)
2673 struct sbp_ocb *ocb;
2676 ocb = STAILQ_FIRST(&sdev->free_ocbs);
2678 kprintf("ocb shortage!!!\n");
2681 STAILQ_REMOVE_HEAD(&sdev->free_ocbs, ocb);
2688 sbp_free_ocb(struct sbp_dev *sdev, struct sbp_ocb *ocb)
2692 STAILQ_INSERT_TAIL(&sdev->free_ocbs, ocb, ocb);
2696 sbp_abort_ocb(struct sbp_ocb *ocb, int status)
2698 struct sbp_dev *sdev;
2702 sbp_show_sdev_info(sdev, 2);
2703 #if defined(__DragonFly__) || __FreeBSD_version < 500000
2704 kprintf("sbp_abort_ocb 0x%x\n", ocb->bus_addr);
2706 kprintf("sbp_abort_ocb 0x%jx\n", (uintmax_t)ocb->bus_addr);
2710 if (ocb->ccb != NULL)
2711 sbp_print_scsi_cmd(ocb);
2713 if (ntohl(ocb->orb[4]) & 0xffff) {
2714 bus_dmamap_sync(sdev->target->sbp->dmat, ocb->dmamap,
2715 (ntohl(ocb->orb[4]) & ORB_CMD_IN) ?
2716 BUS_DMASYNC_POSTREAD : BUS_DMASYNC_POSTWRITE);
2717 bus_dmamap_unload(sdev->target->sbp->dmat, ocb->dmamap);
2719 if (ocb->ccb != NULL) {
2720 callout_stop(&ocb->ccb->ccb_h.timeout_ch);
2721 ocb->ccb->ccb_h.status = status;
2724 sbp_free_ocb(sdev, ocb);
2728 sbp_abort_all_ocbs(struct sbp_dev *sdev, int status)
2730 struct sbp_ocb *ocb, *next;
2731 STAILQ_HEAD(, sbp_ocb) temp;
2734 bcopy(&sdev->ocbs, &temp, sizeof(temp));
2735 STAILQ_INIT(&sdev->ocbs);
2736 for (ocb = STAILQ_FIRST(&temp); ocb != NULL; ocb = next) {
2737 next = STAILQ_NEXT(ocb, ocb);
2738 sbp_abort_ocb(ocb, status);
2743 static devclass_t sbp_devclass;
2746 * Because sbp is a static device that always exists under any attached
2747 * firewire device, and not scanned by the firewire device, we need an
2748 * identify function to install the device. For our sanity we want
2749 * the sbp device to have the same unit number as the fireweire device.
2752 static device_method_t sbp_methods[] = {
2753 /* device interface */
2754 DEVMETHOD(device_identify, bus_generic_identify_sameunit),
2755 DEVMETHOD(device_probe, sbp_probe),
2756 DEVMETHOD(device_attach, sbp_attach),
2757 DEVMETHOD(device_detach, sbp_detach),
2758 DEVMETHOD(device_shutdown, sbp_shutdown),
2763 static driver_t sbp_driver = {
2766 sizeof(struct sbp_softc),
2769 DECLARE_DUMMY_MODULE(sbp);
2770 DRIVER_MODULE(sbp, firewire, sbp_driver, sbp_devclass, 0, 0);
2771 MODULE_VERSION(sbp, 1);
2772 MODULE_DEPEND(sbp, firewire, 1, 1, 1);
2773 MODULE_DEPEND(sbp, cam, 1, 1, 1);