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.
38 #include <sys/param.h>
39 #include <sys/systm.h>
40 #include <sys/module.h>
42 #include <sys/kernel.h>
43 #include <sys/sysctl.h>
44 #include <machine/bus.h>
45 #include <sys/malloc.h>
47 #include <sys/mutex.h>
50 #include <cam/cam_ccb.h>
51 #include <cam/cam_sim.h>
52 #include <cam/cam_xpt_sim.h>
53 #include <cam/cam_debug.h>
54 #include <cam/cam_periph.h>
55 #include <cam/scsi/scsi_all.h>
57 #include <dev/firewire/firewire.h>
58 #include <dev/firewire/firewirereg.h>
59 #include <dev/firewire/fwdma.h>
60 #include <dev/firewire/iec13213.h>
61 #include <dev/firewire/sbp.h>
63 #define ccb_sdev_ptr spriv_ptr0
64 #define ccb_sbp_ptr spriv_ptr1
66 #define SBP_NUM_TARGETS 8 /* MAX 64 */
68 * Scan_bus doesn't work for more than 8 LUNs
69 * because of CAM_SCSI2_MAXLUN in cam_xpt.c
71 #define SBP_NUM_LUNS 64
72 #define SBP_MAXPHYS MIN(MAXPHYS, (512*1024) /* 512KB */)
73 #define SBP_DMA_SIZE PAGE_SIZE
74 #define SBP_LOGIN_SIZE sizeof(struct sbp_login_res)
75 #define SBP_QUEUE_LEN ((SBP_DMA_SIZE - SBP_LOGIN_SIZE) / sizeof(struct sbp_ocb))
76 #define SBP_NUM_OCB (SBP_QUEUE_LEN * SBP_NUM_TARGETS)
79 * STATUS FIFO addressing
81 *-----------------------
82 * 0- 1( 2): 0 (alignment)
86 * 32-47(16): SBP_BIND_HI
87 * 48-64(16): bus_id, node_id
89 #define SBP_BIND_HI 0x1
90 #define SBP_DEV2ADDR(t, l) \
91 (((u_int64_t)SBP_BIND_HI << 32) \
92 | (((l) & 0xff) << 8) \
93 | (((t) & 0x3f) << 2))
94 #define SBP_ADDR2TRG(a) (((a) >> 2) & 0x3f)
95 #define SBP_ADDR2LUN(a) (((a) >> 8) & 0xff)
96 #define SBP_INITIATOR 7
98 static char *orb_fun_name[] = {
102 static int debug = 0;
103 static int auto_login = 1;
104 static int max_speed = -1;
105 static int sbp_cold = 1;
106 static int ex_login = 1;
107 static int login_delay = 1000; /* msec */
108 static int scan_delay = 500; /* msec */
109 static int use_doorbell = 0;
110 static int sbp_tags = 0;
112 SYSCTL_DECL(_hw_firewire);
113 static SYSCTL_NODE(_hw_firewire, OID_AUTO, sbp, CTLFLAG_RD, 0,
115 SYSCTL_INT(_debug, OID_AUTO, sbp_debug, CTLFLAG_RWTUN, &debug, 0,
117 SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, auto_login, CTLFLAG_RWTUN, &auto_login, 0,
118 "SBP perform login automatically");
119 SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, max_speed, CTLFLAG_RWTUN, &max_speed, 0,
120 "SBP transfer max speed");
121 SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, exclusive_login, CTLFLAG_RWTUN,
122 &ex_login, 0, "SBP enable exclusive login");
123 SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, login_delay, CTLFLAG_RWTUN,
124 &login_delay, 0, "SBP login delay in msec");
125 SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, scan_delay, CTLFLAG_RWTUN,
126 &scan_delay, 0, "SBP scan delay in msec");
127 SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, use_doorbell, CTLFLAG_RWTUN,
128 &use_doorbell, 0, "SBP use doorbell request");
129 SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, tags, CTLFLAG_RWTUN, &sbp_tags, 0,
130 "SBP tagged queuing support");
132 #define NEED_RESPONSE 0
134 #define SBP_SEG_MAX rounddown(0xffff, PAGE_SIZE)
135 #ifdef __sparc64__ /* iommu */
136 #define SBP_IND_MAX howmany(SBP_MAXPHYS, SBP_SEG_MAX)
138 #define SBP_IND_MAX howmany(SBP_MAXPHYS, PAGE_SIZE)
141 STAILQ_ENTRY(sbp_ocb) ocb;
145 #define IND_PTR_OFFSET (8*sizeof(uint32_t))
146 struct ind_ptr ind_ptr[SBP_IND_MAX];
147 struct sbp_dev *sdev;
148 int flags; /* XXX should be removed */
150 struct callout timer;
153 #define OCB_ACT_MGM 0
154 #define OCB_ACT_CMD 1
155 #define OCB_MATCH(o,s) ((o)->bus_addr == ntohl((s)->orb_lo))
158 #define SBP_DEV_RESET 0 /* accept login */
159 #define SBP_DEV_LOGIN 1 /* to login */
161 #define SBP_DEV_RECONN 2 /* to reconnect */
163 #define SBP_DEV_TOATTACH 3 /* to attach */
164 #define SBP_DEV_PROBE 4 /* scan lun */
165 #define SBP_DEV_ATTACHED 5 /* in operation */
166 #define SBP_DEV_DEAD 6 /* unavailable unit */
167 #define SBP_DEV_RETRY 7 /* unavailable unit */
173 #define ORB_LINK_DEAD (1 << 0)
174 #define VALID_LUN (1 << 1)
175 #define ORB_POINTER_ACTIVE (1 << 2)
176 #define ORB_POINTER_NEED (1 << 3)
177 #define ORB_DOORBELL_ACTIVE (1 << 4)
178 #define ORB_DOORBELL_NEED (1 << 5)
179 #define ORB_SHORTAGE (1 << 6)
181 struct cam_path *path;
182 struct sbp_target *target;
183 struct fwdma_alloc dma;
184 struct sbp_login_res *login;
185 struct callout login_callout;
187 STAILQ_HEAD(, sbp_ocb) ocbs;
188 STAILQ_HEAD(, sbp_ocb) free_ocbs;
189 struct sbp_ocb *last_ocb;
199 struct sbp_dev **luns;
200 struct sbp_softc *sbp;
201 struct fw_device *fwdev;
202 uint32_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 #define SBP_LOCK(sbp) mtx_lock(&(sbp)->mtx)
224 #define SBP_UNLOCK(sbp) mtx_unlock(&(sbp)->mtx)
225 #define SBP_LOCK_ASSERT(sbp) mtx_assert(&(sbp)->mtx, MA_OWNED)
227 static void sbp_post_explore (void *);
228 static void sbp_recv (struct fw_xfer *);
229 static void sbp_mgm_callback (struct fw_xfer *);
231 static void sbp_cmd_callback (struct fw_xfer *);
233 static void sbp_orb_pointer (struct sbp_dev *, struct sbp_ocb *);
234 static void sbp_doorbell(struct sbp_dev *);
235 static void sbp_execute_ocb (void *, bus_dma_segment_t *, int, int);
236 static void sbp_free_ocb (struct sbp_dev *, struct sbp_ocb *);
237 static void sbp_abort_ocb (struct sbp_ocb *, int);
238 static void sbp_abort_all_ocbs (struct sbp_dev *, int);
239 static struct fw_xfer * sbp_write_cmd (struct sbp_dev *, int, int);
240 static struct sbp_ocb * sbp_get_ocb (struct sbp_dev *);
241 static struct sbp_ocb * sbp_enqueue_ocb (struct sbp_dev *, struct sbp_ocb *);
242 static struct sbp_ocb * sbp_dequeue_ocb (struct sbp_dev *, struct sbp_status *);
243 static void sbp_cam_detach_sdev(struct sbp_dev *);
244 static void sbp_free_sdev(struct sbp_dev *);
245 static void sbp_cam_detach_target (struct sbp_target *);
246 static void sbp_free_target (struct sbp_target *);
247 static void sbp_mgm_timeout (void *arg);
248 static void sbp_timeout (void *arg);
249 static void sbp_mgm_orb (struct sbp_dev *, int, struct sbp_ocb *);
251 static MALLOC_DEFINE(M_SBP, "sbp", "SBP-II/FireWire");
253 /* cam related functions */
254 static void sbp_action(struct cam_sim *sim, union ccb *ccb);
255 static void sbp_poll(struct cam_sim *sim);
256 static void sbp_cam_scan_lun(struct cam_periph *, union ccb *);
257 static void sbp_cam_scan_target(void *arg);
259 static char *orb_status0[] = {
260 /* 0 */ "No additional information to report",
261 /* 1 */ "Request type not supported",
262 /* 2 */ "Speed not supported",
263 /* 3 */ "Page size not supported",
264 /* 4 */ "Access denied",
265 /* 5 */ "Logical unit not supported",
266 /* 6 */ "Maximum payload too small",
267 /* 7 */ "Reserved for future standardization",
268 /* 8 */ "Resources unavailable",
269 /* 9 */ "Function rejected",
270 /* A */ "Login ID not recognized",
271 /* B */ "Dummy ORB completed",
272 /* C */ "Request aborted",
273 /* FF */ "Unspecified error"
274 #define MAX_ORB_STATUS0 0xd
277 static char *orb_status1_object[] = {
278 /* 0 */ "Operation request block (ORB)",
279 /* 1 */ "Data buffer",
280 /* 2 */ "Page table",
281 /* 3 */ "Unable to specify"
284 static char *orb_status1_serial_bus_error[] = {
285 /* 0 */ "Missing acknowledge",
286 /* 1 */ "Reserved; not to be used",
287 /* 2 */ "Time-out error",
288 /* 3 */ "Reserved; not to be used",
289 /* 4 */ "Busy retry limit exceeded(X)",
290 /* 5 */ "Busy retry limit exceeded(A)",
291 /* 6 */ "Busy retry limit exceeded(B)",
292 /* 7 */ "Reserved for future standardization",
293 /* 8 */ "Reserved for future standardization",
294 /* 9 */ "Reserved for future standardization",
295 /* A */ "Reserved for future standardization",
296 /* B */ "Tardy retry limit exceeded",
297 /* C */ "Conflict error",
298 /* D */ "Data error",
299 /* E */ "Type error",
300 /* F */ "Address error"
304 sbp_identify(driver_t *driver, device_t parent)
307 printf("sbp_identify\n");
310 if (device_find_child(parent, "sbp", -1) == NULL)
311 BUS_ADD_CHILD(parent, 0, "sbp", -1);
318 sbp_probe(device_t dev)
322 printf("sbp_probe\n");
325 device_set_desc(dev, "SBP-2/SCSI over FireWire");
336 * Display device characteristics on the console
339 sbp_show_sdev_info(struct sbp_dev *sdev)
341 struct fw_device *fwdev;
343 fwdev = sdev->target->fwdev;
344 device_printf(sdev->target->sbp->fd.dev,
345 "%s: %s: ordered:%d type:%d EUI:%08x%08x node:%d "
346 "speed:%d maxrec:%d\n",
349 (sdev->type & 0x40) >> 6,
357 device_printf(sdev->target->sbp->fd.dev,
358 "%s: %s '%s' '%s' '%s'\n",
371 /* Bus Target EUI64 */
373 {0, 2, {0x00018ea0, 0x01fd0154}}, /* Logitec HDD */
374 {0, 0, {0x00018ea6, 0x00100682}}, /* Logitec DVD */
375 {0, 1, {0x00d03200, 0xa412006a}}, /* Yano HDD */
381 sbp_new_target(struct sbp_softc *sbp, struct fw_device *fwdev)
383 int bus, i, target=-1;
384 char w[SBP_NUM_TARGETS];
387 bus = device_get_unit(sbp->fd.dev);
389 /* XXX wired-down configuration should be gotten from
390 tunable or device hint */
391 for (i = 0; wired[i].bus >= 0; i++) {
392 if (wired[i].bus == bus) {
393 w[wired[i].target] = 1;
394 if (wired[i].eui.hi == fwdev->eui.hi &&
395 wired[i].eui.lo == fwdev->eui.lo)
396 target = wired[i].target;
400 if (target < SBP_NUM_TARGETS &&
401 sbp->targets[target].fwdev == NULL)
403 device_printf(sbp->fd.dev,
404 "target %d is not free for %08x:%08x\n",
405 target, fwdev->eui.hi, fwdev->eui.lo);
408 /* non-wired target */
409 for (i = 0; i < SBP_NUM_TARGETS; i++)
410 if (sbp->targets[i].fwdev == NULL && w[i] == 0) {
419 sbp_alloc_lun(struct sbp_target *target)
421 struct crom_context cc;
423 struct sbp_dev *sdev, **newluns;
424 struct sbp_softc *sbp;
428 SBP_LOCK_ASSERT(sbp);
429 crom_init_context(&cc, target->fwdev->csrrom);
430 /* XXX shoud parse appropriate unit directories only */
432 while (cc.depth >= 0) {
433 reg = crom_search_key(&cc, CROM_LUN);
436 lun = reg->val & 0xffff;
438 printf("target %d lun %d found\n", target->target_id, lun);
445 device_printf(target->sbp->fd.dev, "%d no LUN found\n",
449 if (maxlun >= SBP_NUM_LUNS)
450 maxlun = SBP_NUM_LUNS;
452 /* Invalidiate stale devices */
453 for (lun = 0; lun < target->num_lun; lun++) {
454 sdev = target->luns[lun];
457 sdev->flags &= ~VALID_LUN;
460 sbp_cam_detach_sdev(sdev);
462 target->luns[lun] = NULL;
467 if (maxlun != target->num_lun) {
468 newluns = (struct sbp_dev **) realloc(target->luns,
469 sizeof(struct sbp_dev *) * maxlun,
470 M_SBP, M_NOWAIT | M_ZERO);
472 if (newluns == NULL) {
473 printf("%s: realloc failed\n", __func__);
474 newluns = target->luns;
475 maxlun = target->num_lun;
479 * We must zero the extended region for the case
480 * realloc() doesn't allocate new buffer.
482 if (maxlun > target->num_lun)
483 bzero(&newluns[target->num_lun],
484 sizeof(struct sbp_dev *) *
485 (maxlun - target->num_lun));
487 target->luns = newluns;
488 target->num_lun = maxlun;
491 crom_init_context(&cc, target->fwdev->csrrom);
492 while (cc.depth >= 0) {
495 reg = crom_search_key(&cc, CROM_LUN);
498 lun = reg->val & 0xffff;
499 if (lun >= SBP_NUM_LUNS) {
500 printf("too large lun %d\n", lun);
504 sdev = target->luns[lun];
506 sdev = malloc(sizeof(struct sbp_dev),
507 M_SBP, M_NOWAIT | M_ZERO);
509 printf("%s: malloc failed\n", __func__);
512 target->luns[lun] = sdev;
514 sdev->target = target;
515 STAILQ_INIT(&sdev->ocbs);
516 callout_init_mtx(&sdev->login_callout, &sbp->mtx, 0);
517 sdev->status = SBP_DEV_RESET;
519 snprintf(sdev->bustgtlun, 32, "%s:%d:%d",
520 device_get_nameunit(sdev->target->sbp->fd.dev),
521 sdev->target->target_id,
524 sdev->flags |= VALID_LUN;
525 sdev->type = (reg->val & 0xff0000) >> 16;
530 fwdma_malloc(sbp->fd.fc,
531 /* alignment */ sizeof(uint32_t),
532 SBP_DMA_SIZE, &sdev->dma, BUS_DMA_NOWAIT |
534 if (sdev->dma.v_addr == NULL) {
535 printf("%s: dma space allocation failed\n",
538 target->luns[lun] = NULL;
541 sdev->login = (struct sbp_login_res *) sdev->dma.v_addr;
542 sdev->ocb = (struct sbp_ocb *)
543 ((char *)sdev->dma.v_addr + SBP_LOGIN_SIZE);
544 bzero((char *)sdev->ocb,
545 sizeof(struct sbp_ocb) * SBP_QUEUE_LEN);
547 STAILQ_INIT(&sdev->free_ocbs);
548 for (i = 0; i < SBP_QUEUE_LEN; i++) {
551 ocb->bus_addr = sdev->dma.bus_addr
553 + sizeof(struct sbp_ocb) * i
554 + offsetof(struct sbp_ocb, orb[0]);
555 if (bus_dmamap_create(sbp->dmat, 0, &ocb->dmamap)) {
556 printf("sbp_attach: cannot create dmamap\n");
560 callout_init_mtx(&ocb->timer, &sbp->mtx, 0);
561 sbp_free_ocb(sdev, ocb);
567 for (lun = 0; lun < target->num_lun; lun++) {
568 sdev = target->luns[lun];
569 if (sdev != NULL && (sdev->flags & VALID_LUN) == 0) {
570 sbp_cam_detach_sdev(sdev);
572 target->luns[lun] = NULL;
577 static struct sbp_target *
578 sbp_alloc_target(struct sbp_softc *sbp, struct fw_device *fwdev)
581 struct sbp_target *target;
582 struct crom_context cc;
586 printf("sbp_alloc_target\n");
588 i = sbp_new_target(sbp, fwdev);
590 device_printf(sbp->fd.dev, "increase SBP_NUM_TARGETS!\n");
594 target = &sbp->targets[i];
595 target->fwdev = fwdev;
596 target->target_id = i;
597 /* XXX we may want to reload mgm port after each bus reset */
598 /* XXX there might be multiple management agents */
599 crom_init_context(&cc, target->fwdev->csrrom);
600 reg = crom_search_key(&cc, CROM_MGM);
601 if (reg == NULL || reg->val == 0) {
602 printf("NULL management address\n");
603 target->fwdev = NULL;
606 target->mgm_hi = 0xffff;
607 target->mgm_lo = 0xf0000000 | (reg->val << 2);
608 target->mgm_ocb_cur = NULL;
610 printf("target:%d mgm_port: %x\n", i, target->mgm_lo);
612 STAILQ_INIT(&target->xferlist);
614 STAILQ_INIT(&target->mgm_ocb_queue);
615 callout_init_mtx(&target->mgm_ocb_timeout, &sbp->mtx, 0);
616 callout_init_mtx(&target->scan_callout, &sbp->mtx, 0);
624 sbp_probe_lun(struct sbp_dev *sdev)
626 struct fw_device *fwdev;
627 struct crom_context c, *cc = &c;
630 bzero(sdev->vendor, sizeof(sdev->vendor));
631 bzero(sdev->product, sizeof(sdev->product));
633 fwdev = sdev->target->fwdev;
634 crom_init_context(cc, fwdev->csrrom);
635 /* get vendor string */
636 crom_search_key(cc, CSRKEY_VENDOR);
638 crom_parse_text(cc, sdev->vendor, sizeof(sdev->vendor));
639 /* skip to the unit directory for SBP-2 */
640 while ((reg = crom_search_key(cc, CSRKEY_VER)) != NULL) {
641 if (reg->val == CSRVAL_T10SBP2)
645 /* get firmware revision */
646 reg = crom_search_key(cc, CSRKEY_FIRM_VER);
648 snprintf(sdev->revision, sizeof(sdev->revision),
650 /* get product string */
651 crom_search_key(cc, CSRKEY_MODEL);
653 crom_parse_text(cc, sdev->product, sizeof(sdev->product));
657 sbp_login_callout(void *arg)
659 struct sbp_dev *sdev = (struct sbp_dev *)arg;
660 SBP_LOCK_ASSERT(sdev->target->sbp);
661 sbp_mgm_orb(sdev, ORB_FUN_LGI, NULL);
665 sbp_login(struct sbp_dev *sdev)
667 struct timeval delta;
672 timevalsub(&delta, &sdev->target->sbp->last_busreset);
673 t.tv_sec = login_delay / 1000;
674 t.tv_usec = (login_delay % 1000) * 1000;
675 timevalsub(&t, &delta);
676 if (t.tv_sec >= 0 && t.tv_usec > 0)
677 ticks = (t.tv_sec * 1000 + t.tv_usec / 1000) * hz / 1000;
679 printf("%s: sec = %jd usec = %ld ticks = %d\n", __func__,
680 (intmax_t)t.tv_sec, t.tv_usec, ticks);
682 callout_reset(&sdev->login_callout, ticks,
683 sbp_login_callout, (void *)(sdev));
686 #define SBP_FWDEV_ALIVE(fwdev) (((fwdev)->status == FWDEVATTACHED) \
687 && crom_has_specver((fwdev)->csrrom, CSRVAL_ANSIT10, CSRVAL_T10SBP2))
690 sbp_probe_target(void *arg)
692 struct sbp_target *target = (struct sbp_target *)arg;
693 struct sbp_softc *sbp = target->sbp;
694 struct sbp_dev *sdev;
697 alive = SBP_FWDEV_ALIVE(target->fwdev);
699 device_printf(sbp->fd.dev, "%s %d%salive\n",
700 __func__, target->target_id,
701 (!alive) ? " not " : "");
705 SBP_LOCK_ASSERT(sbp);
706 sbp_alloc_lun(target);
708 /* XXX untimeout mgm_ocb and dequeue */
709 for (i=0; i < target->num_lun; i++) {
710 sdev = target->luns[i];
713 if (alive && (sdev->status != SBP_DEV_DEAD)) {
714 if (sdev->path != NULL) {
715 xpt_freeze_devq(sdev->path, 1);
719 sbp_show_sdev_info(sdev);
721 sbp_abort_all_ocbs(sdev, CAM_SCSI_BUS_RESET);
722 switch (sdev->status) {
724 /* new or revived target */
728 case SBP_DEV_TOATTACH:
730 case SBP_DEV_ATTACHED:
733 sbp_mgm_orb(sdev, ORB_FUN_RCN, NULL);
737 switch (sdev->status) {
738 case SBP_DEV_ATTACHED:
740 /* the device has gone */
741 device_printf(sbp->fd.dev, "%s: lost target\n",
745 xpt_freeze_devq(sdev->path, 1);
748 sdev->status = SBP_DEV_RETRY;
749 sbp_cam_detach_sdev(sdev);
751 target->luns[i] = NULL;
754 case SBP_DEV_TOATTACH:
755 sdev->status = SBP_DEV_RESET;
767 sbp_post_busreset(void *arg)
769 struct sbp_softc *sbp;
771 sbp = (struct sbp_softc *)arg;
773 printf("sbp_post_busreset\n");
776 if ((sbp->sim->flags & SIMQ_FREEZED) == 0) {
777 xpt_freeze_simq(sbp->sim, /*count*/1);
778 sbp->sim->flags |= SIMQ_FREEZED;
780 microtime(&sbp->last_busreset);
785 sbp_post_explore(void *arg)
787 struct sbp_softc *sbp = (struct sbp_softc *)arg;
788 struct sbp_target *target;
789 struct fw_device *fwdev;
793 printf("sbp_post_explore (sbp_cold=%d)\n", sbp_cold);
795 /* We need physical access */
796 if (!firewire_phydma_enable)
805 * XXX don't let CAM the bus rest.
806 * CAM tries to do something with freezed (DEV_RETRY) devices.
808 xpt_async(AC_BUS_RESET, sbp->path, /*arg*/ NULL);
811 /* Garbage Collection */
812 for (i = 0; i < SBP_NUM_TARGETS; i++) {
813 target = &sbp->targets[i];
814 STAILQ_FOREACH(fwdev, &sbp->fd.fc->devices, link)
815 if (target->fwdev == NULL || target->fwdev == fwdev)
818 /* device has removed in lower driver */
819 sbp_cam_detach_target(target);
820 sbp_free_target(target);
823 /* traverse device list */
824 STAILQ_FOREACH(fwdev, &sbp->fd.fc->devices, link) {
826 device_printf(sbp->fd.dev,"%s:: EUI:%08x%08x %s attached, state=%d\n",
827 __func__, fwdev->eui.hi, fwdev->eui.lo,
828 (fwdev->status != FWDEVATTACHED) ? "not" : "",
831 alive = SBP_FWDEV_ALIVE(fwdev);
832 for (i = 0; i < SBP_NUM_TARGETS; i++) {
833 target = &sbp->targets[i];
834 if (target->fwdev == fwdev) {
839 if (i == SBP_NUM_TARGETS) {
842 target = sbp_alloc_target(sbp, fwdev);
849 sbp_probe_target((void *)target);
850 if (target->num_lun == 0)
851 sbp_free_target(target);
853 xpt_release_simq(sbp->sim, /*run queue*/TRUE);
854 sbp->sim->flags &= ~SIMQ_FREEZED;
860 sbp_loginres_callback(struct fw_xfer *xfer)
862 struct sbp_dev *sdev;
863 sdev = (struct sbp_dev *)xfer->sc;
865 device_printf(sdev->target->sbp->fd.dev,"%s\n", __func__);
868 SBP_LOCK(sdev->target->sbp);
869 STAILQ_INSERT_TAIL(&sdev->target->sbp->fwb.xferlist, xfer, link);
870 SBP_UNLOCK(sdev->target->sbp);
876 sbp_xfer_free(struct fw_xfer *xfer)
878 struct sbp_dev *sdev;
880 sdev = (struct sbp_dev *)xfer->sc;
881 fw_xfer_unload(xfer);
882 SBP_LOCK_ASSERT(sdev->target->sbp);
883 STAILQ_INSERT_TAIL(&sdev->target->xferlist, xfer, link);
887 sbp_reset_start_callback(struct fw_xfer *xfer)
889 struct sbp_dev *tsdev, *sdev = (struct sbp_dev *)xfer->sc;
890 struct sbp_target *target = sdev->target;
893 if (xfer->resp != 0) {
894 device_printf(sdev->target->sbp->fd.dev,
895 "%s: %s failed: resp=%d\n", __func__, sdev->bustgtlun, xfer->resp);
898 SBP_LOCK(target->sbp);
899 for (i = 0; i < target->num_lun; i++) {
900 tsdev = target->luns[i];
901 if (tsdev != NULL && tsdev->status == SBP_DEV_LOGIN)
904 SBP_UNLOCK(target->sbp);
908 sbp_reset_start(struct sbp_dev *sdev)
910 struct fw_xfer *xfer;
914 device_printf(sdev->target->sbp->fd.dev,
915 "%s:%s\n", __func__,sdev->bustgtlun);
918 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0);
919 xfer->hand = sbp_reset_start_callback;
920 fp = &xfer->send.hdr;
921 fp->mode.wreqq.dest_hi = 0xffff;
922 fp->mode.wreqq.dest_lo = 0xf0000000 | RESET_START;
923 fp->mode.wreqq.data = htonl(0xf);
924 fw_asyreq(xfer->fc, -1, xfer);
928 sbp_mgm_callback(struct fw_xfer *xfer)
930 struct sbp_dev *sdev;
933 sdev = (struct sbp_dev *)xfer->sc;
936 device_printf(sdev->target->sbp->fd.dev,
937 "%s:%s\n", __func__, sdev->bustgtlun);
940 SBP_LOCK(sdev->target->sbp);
942 SBP_UNLOCK(sdev->target->sbp);
945 static struct sbp_dev *
946 sbp_next_dev(struct sbp_target *target, int lun)
948 struct sbp_dev **sdevp;
951 for (i = lun, sdevp = &target->luns[lun]; i < target->num_lun;
953 if (*sdevp != NULL && (*sdevp)->status == SBP_DEV_PROBE)
960 sbp_cam_scan_lun(struct cam_periph *periph, union ccb *ccb)
962 struct sbp_target *target;
963 struct sbp_dev *sdev;
965 sdev = (struct sbp_dev *) ccb->ccb_h.ccb_sdev_ptr;
966 target = sdev->target;
967 SBP_LOCK_ASSERT(target->sbp);
969 device_printf(sdev->target->sbp->fd.dev,
970 "%s:%s\n", __func__, sdev->bustgtlun);
972 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
973 sdev->status = SBP_DEV_ATTACHED;
975 device_printf(sdev->target->sbp->fd.dev,
976 "%s:%s failed\n", __func__, sdev->bustgtlun);
978 sdev = sbp_next_dev(target, sdev->lun_id + 1);
984 xpt_setup_ccb(&ccb->ccb_h, sdev->path, SCAN_PRI);
985 ccb->ccb_h.ccb_sdev_ptr = sdev;
987 xpt_release_devq(sdev->path, sdev->freeze, TRUE);
992 sbp_cam_scan_target(void *arg)
994 struct sbp_target *target = (struct sbp_target *)arg;
995 struct sbp_dev *sdev;
998 SBP_LOCK_ASSERT(target->sbp);
999 sdev = sbp_next_dev(target, 0);
1001 printf("sbp_cam_scan_target: nothing to do for target%d\n",
1006 device_printf(sdev->target->sbp->fd.dev,
1007 "%s:%s\n", __func__, sdev->bustgtlun);
1009 ccb = malloc(sizeof(union ccb), M_SBP, M_NOWAIT | M_ZERO);
1011 printf("sbp_cam_scan_target: malloc failed\n");
1014 xpt_setup_ccb(&ccb->ccb_h, sdev->path, SCAN_PRI);
1015 ccb->ccb_h.func_code = XPT_SCAN_LUN;
1016 ccb->ccb_h.cbfcnp = sbp_cam_scan_lun;
1017 ccb->ccb_h.flags |= CAM_DEV_QFREEZE;
1018 ccb->crcn.flags = CAM_FLAG_NONE;
1019 ccb->ccb_h.ccb_sdev_ptr = sdev;
1021 /* The scan is in progress now. */
1023 xpt_release_devq(sdev->path, sdev->freeze, TRUE);
1027 static __inline void
1028 sbp_scan_dev(struct sbp_dev *sdev)
1030 sdev->status = SBP_DEV_PROBE;
1031 callout_reset(&sdev->target->scan_callout, scan_delay * hz / 1000,
1032 sbp_cam_scan_target, (void *)sdev->target);
1036 sbp_do_attach(struct fw_xfer *xfer)
1038 struct sbp_dev *sdev;
1039 struct sbp_target *target;
1040 struct sbp_softc *sbp;
1042 sdev = (struct sbp_dev *)xfer->sc;
1043 target = sdev->target;
1047 device_printf(sdev->target->sbp->fd.dev,
1048 "%s:%s\n", __func__, sdev->bustgtlun);
1050 sbp_xfer_free(xfer);
1052 if (sdev->path == NULL)
1053 xpt_create_path(&sdev->path, NULL,
1054 cam_sim_path(target->sbp->sim),
1055 target->target_id, sdev->lun_id);
1058 * Let CAM scan the bus if we are in the boot process.
1059 * XXX xpt_scan_bus cannot detect LUN larger than 0
1060 * if LUN 0 doesn't exist.
1063 sdev->status = SBP_DEV_ATTACHED;
1073 sbp_agent_reset_callback(struct fw_xfer *xfer)
1075 struct sbp_dev *sdev;
1077 sdev = (struct sbp_dev *)xfer->sc;
1079 device_printf(sdev->target->sbp->fd.dev,
1080 "%s:%s\n", __func__, sdev->bustgtlun);
1082 if (xfer->resp != 0) {
1083 device_printf(sdev->target->sbp->fd.dev,
1084 "%s:%s resp=%d\n", __func__, sdev->bustgtlun, xfer->resp);
1087 SBP_LOCK(sdev->target->sbp);
1088 sbp_xfer_free(xfer);
1090 xpt_release_devq(sdev->path, sdev->freeze, TRUE);
1093 SBP_UNLOCK(sdev->target->sbp);
1097 sbp_agent_reset(struct sbp_dev *sdev)
1099 struct fw_xfer *xfer;
1102 SBP_LOCK_ASSERT(sdev->target->sbp);
1104 device_printf(sdev->target->sbp->fd.dev,
1105 "%s:%s\n", __func__, sdev->bustgtlun);
1107 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0x04);
1110 if (sdev->status == SBP_DEV_ATTACHED || sdev->status == SBP_DEV_PROBE)
1111 xfer->hand = sbp_agent_reset_callback;
1113 xfer->hand = sbp_do_attach;
1114 fp = &xfer->send.hdr;
1115 fp->mode.wreqq.data = htonl(0xf);
1116 fw_asyreq(xfer->fc, -1, xfer);
1117 sbp_abort_all_ocbs(sdev, CAM_BDR_SENT);
1121 sbp_busy_timeout_callback(struct fw_xfer *xfer)
1123 struct sbp_dev *sdev;
1125 sdev = (struct sbp_dev *)xfer->sc;
1127 device_printf(sdev->target->sbp->fd.dev,
1128 "%s:%s\n", __func__, sdev->bustgtlun);
1130 SBP_LOCK(sdev->target->sbp);
1131 sbp_xfer_free(xfer);
1132 sbp_agent_reset(sdev);
1133 SBP_UNLOCK(sdev->target->sbp);
1137 sbp_busy_timeout(struct sbp_dev *sdev)
1140 struct fw_xfer *xfer;
1142 device_printf(sdev->target->sbp->fd.dev,
1143 "%s:%s\n", __func__, sdev->bustgtlun);
1145 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0);
1147 xfer->hand = sbp_busy_timeout_callback;
1148 fp = &xfer->send.hdr;
1149 fp->mode.wreqq.dest_hi = 0xffff;
1150 fp->mode.wreqq.dest_lo = 0xf0000000 | BUSY_TIMEOUT;
1151 fp->mode.wreqq.data = htonl((1 << (13 + 12)) | 0xf);
1152 fw_asyreq(xfer->fc, -1, xfer);
1156 sbp_orb_pointer_callback(struct fw_xfer *xfer)
1158 struct sbp_dev *sdev;
1159 sdev = (struct sbp_dev *)xfer->sc;
1162 device_printf(sdev->target->sbp->fd.dev,
1163 "%s:%s\n", __func__, sdev->bustgtlun);
1165 if (xfer->resp != 0) {
1167 printf("%s: xfer->resp = %d\n", __func__, xfer->resp);
1169 SBP_LOCK(sdev->target->sbp);
1170 sbp_xfer_free(xfer);
1172 sdev->flags &= ~ORB_POINTER_ACTIVE;
1174 if ((sdev->flags & ORB_POINTER_NEED) != 0) {
1175 struct sbp_ocb *ocb;
1177 sdev->flags &= ~ORB_POINTER_NEED;
1178 ocb = STAILQ_FIRST(&sdev->ocbs);
1180 sbp_orb_pointer(sdev, ocb);
1182 SBP_UNLOCK(sdev->target->sbp);
1187 sbp_orb_pointer(struct sbp_dev *sdev, struct sbp_ocb *ocb)
1189 struct fw_xfer *xfer;
1192 device_printf(sdev->target->sbp->fd.dev,
1194 __func__, sdev->bustgtlun,
1195 (uint32_t)ocb->bus_addr);
1198 SBP_LOCK_ASSERT(sdev->target->sbp);
1200 if ((sdev->flags & ORB_POINTER_ACTIVE) != 0) {
1202 printf("%s: orb pointer active\n", __func__);
1204 sdev->flags |= ORB_POINTER_NEED;
1208 sdev->flags |= ORB_POINTER_ACTIVE;
1209 xfer = sbp_write_cmd(sdev, FWTCODE_WREQB, 0x08);
1212 xfer->hand = sbp_orb_pointer_callback;
1214 fp = &xfer->send.hdr;
1215 fp->mode.wreqb.len = 8;
1216 fp->mode.wreqb.extcode = 0;
1217 xfer->send.payload[0] =
1218 htonl(((sdev->target->sbp->fd.fc->nodeid | FWLOCALBUS) << 16));
1219 xfer->send.payload[1] = htonl((uint32_t)ocb->bus_addr);
1221 if (fw_asyreq(xfer->fc, -1, xfer) != 0) {
1222 sbp_xfer_free(xfer);
1223 ocb->ccb->ccb_h.status = CAM_REQ_INVALID;
1229 sbp_doorbell_callback(struct fw_xfer *xfer)
1231 struct sbp_dev *sdev;
1232 sdev = (struct sbp_dev *)xfer->sc;
1235 device_printf(sdev->target->sbp->fd.dev,
1236 "%s:%s\n", __func__, sdev->bustgtlun);
1238 if (xfer->resp != 0) {
1240 device_printf(sdev->target->sbp->fd.dev,
1241 "%s: xfer->resp = %d\n", __func__, xfer->resp);
1243 SBP_LOCK(sdev->target->sbp);
1244 sbp_xfer_free(xfer);
1245 sdev->flags &= ~ORB_DOORBELL_ACTIVE;
1246 if ((sdev->flags & ORB_DOORBELL_NEED) != 0) {
1247 sdev->flags &= ~ORB_DOORBELL_NEED;
1250 SBP_UNLOCK(sdev->target->sbp);
1254 sbp_doorbell(struct sbp_dev *sdev)
1256 struct fw_xfer *xfer;
1259 device_printf(sdev->target->sbp->fd.dev,
1260 "%s:%s\n", __func__, sdev->bustgtlun);
1263 if ((sdev->flags & ORB_DOORBELL_ACTIVE) != 0) {
1264 sdev->flags |= ORB_DOORBELL_NEED;
1267 sdev->flags |= ORB_DOORBELL_ACTIVE;
1268 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0x10);
1271 xfer->hand = sbp_doorbell_callback;
1272 fp = &xfer->send.hdr;
1273 fp->mode.wreqq.data = htonl(0xf);
1274 fw_asyreq(xfer->fc, -1, xfer);
1277 static struct fw_xfer *
1278 sbp_write_cmd(struct sbp_dev *sdev, int tcode, int offset)
1280 struct fw_xfer *xfer;
1282 struct sbp_target *target;
1285 SBP_LOCK_ASSERT(sdev->target->sbp);
1287 target = sdev->target;
1288 xfer = STAILQ_FIRST(&target->xferlist);
1290 if (target->n_xfer > 5 /* XXX */) {
1291 printf("sbp: no more xfer for this target\n");
1294 xfer = fw_xfer_alloc_buf(M_SBP, 8, 0);
1296 printf("sbp: fw_xfer_alloc_buf failed\n");
1301 printf("sbp: alloc %d xfer\n", target->n_xfer);
1304 STAILQ_REMOVE_HEAD(&target->xferlist, link);
1308 xfer->recv.pay_len = 0;
1309 xfer->send.spd = min(sdev->target->fwdev->speed, max_speed);
1310 xfer->fc = sdev->target->sbp->fd.fc;
1313 if (tcode == FWTCODE_WREQB)
1314 xfer->send.pay_len = 8;
1316 xfer->send.pay_len = 0;
1318 xfer->sc = (caddr_t)sdev;
1319 fp = &xfer->send.hdr;
1320 fp->mode.wreqq.dest_hi = sdev->login->cmd_hi;
1321 fp->mode.wreqq.dest_lo = sdev->login->cmd_lo + offset;
1322 fp->mode.wreqq.tlrt = 0;
1323 fp->mode.wreqq.tcode = tcode;
1324 fp->mode.wreqq.pri = 0;
1325 fp->mode.wreqq.dst = FWLOCALBUS | sdev->target->fwdev->dst;
1331 sbp_mgm_orb(struct sbp_dev *sdev, int func, struct sbp_ocb *aocb)
1333 struct fw_xfer *xfer;
1335 struct sbp_ocb *ocb;
1336 struct sbp_target *target;
1339 target = sdev->target;
1340 nid = target->sbp->fd.fc->nodeid | FWLOCALBUS;
1342 SBP_LOCK_ASSERT(target->sbp);
1343 if (func == ORB_FUN_RUNQUEUE) {
1344 ocb = STAILQ_FIRST(&target->mgm_ocb_queue);
1345 if (target->mgm_ocb_cur != NULL || ocb == NULL) {
1348 STAILQ_REMOVE_HEAD(&target->mgm_ocb_queue, ocb);
1351 if ((ocb = sbp_get_ocb(sdev)) == NULL) {
1355 ocb->flags = OCB_ACT_MGM;
1358 bzero((void *)ocb->orb, sizeof(ocb->orb));
1359 ocb->orb[6] = htonl((nid << 16) | SBP_BIND_HI);
1360 ocb->orb[7] = htonl(SBP_DEV2ADDR(target->target_id, sdev->lun_id));
1363 device_printf(sdev->target->sbp->fd.dev,
1365 __func__,sdev->bustgtlun,
1366 orb_fun_name[(func >> 16) & 0xf]);
1370 ocb->orb[0] = ocb->orb[1] = 0; /* password */
1371 ocb->orb[2] = htonl(nid << 16);
1372 ocb->orb[3] = htonl(sdev->dma.bus_addr);
1373 ocb->orb[4] = htonl(ORB_NOTIFY | sdev->lun_id);
1375 ocb->orb[4] |= htonl(ORB_EXV);
1376 ocb->orb[5] = htonl(SBP_LOGIN_SIZE);
1377 fwdma_sync(&sdev->dma, BUS_DMASYNC_PREREAD);
1380 ocb->orb[0] = htonl((0 << 16) | 0);
1381 ocb->orb[1] = htonl(aocb->bus_addr & 0xffffffff);
1388 ocb->orb[4] = htonl(ORB_NOTIFY | func | sdev->login->id);
1392 if (target->mgm_ocb_cur != NULL) {
1393 /* there is a standing ORB */
1394 STAILQ_INSERT_TAIL(&sdev->target->mgm_ocb_queue, ocb, ocb);
1398 target->mgm_ocb_cur = ocb;
1400 callout_reset(&target->mgm_ocb_timeout, 5*hz,
1401 sbp_mgm_timeout, (caddr_t)ocb);
1402 xfer = sbp_write_cmd(sdev, FWTCODE_WREQB, 0);
1406 xfer->hand = sbp_mgm_callback;
1408 fp = &xfer->send.hdr;
1409 fp->mode.wreqb.dest_hi = sdev->target->mgm_hi;
1410 fp->mode.wreqb.dest_lo = sdev->target->mgm_lo;
1411 fp->mode.wreqb.len = 8;
1412 fp->mode.wreqb.extcode = 0;
1413 xfer->send.payload[0] = htonl(nid << 16);
1414 xfer->send.payload[1] = htonl(ocb->bus_addr & 0xffffffff);
1416 fw_asyreq(xfer->fc, -1, xfer);
1420 sbp_print_scsi_cmd(struct sbp_ocb *ocb)
1422 struct ccb_scsiio *csio;
1424 csio = &ocb->ccb->csio;
1425 printf("%s:%d:%jx XPT_SCSI_IO: "
1426 "cmd: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x"
1428 "%db cmd/%db data/%db sense\n",
1429 device_get_nameunit(ocb->sdev->target->sbp->fd.dev),
1430 ocb->ccb->ccb_h.target_id,
1431 (uintmax_t)ocb->ccb->ccb_h.target_lun,
1432 csio->cdb_io.cdb_bytes[0],
1433 csio->cdb_io.cdb_bytes[1],
1434 csio->cdb_io.cdb_bytes[2],
1435 csio->cdb_io.cdb_bytes[3],
1436 csio->cdb_io.cdb_bytes[4],
1437 csio->cdb_io.cdb_bytes[5],
1438 csio->cdb_io.cdb_bytes[6],
1439 csio->cdb_io.cdb_bytes[7],
1440 csio->cdb_io.cdb_bytes[8],
1441 csio->cdb_io.cdb_bytes[9],
1442 ocb->ccb->ccb_h.flags & CAM_DIR_MASK,
1443 csio->cdb_len, csio->dxfer_len,
1448 sbp_scsi_status(struct sbp_status *sbp_status, struct sbp_ocb *ocb)
1450 struct sbp_cmd_status *sbp_cmd_status;
1451 struct scsi_sense_data_fixed *sense;
1453 sbp_cmd_status = (struct sbp_cmd_status *)sbp_status->data;
1454 sense = (struct scsi_sense_data_fixed *)&ocb->ccb->csio.sense_data;
1457 sbp_print_scsi_cmd(ocb);
1458 /* XXX need decode status */
1459 printf("%s: SCSI status %x sfmt %x valid %x key %x code %x qlfr %x len %d\n",
1460 ocb->sdev->bustgtlun,
1461 sbp_cmd_status->status,
1462 sbp_cmd_status->sfmt,
1463 sbp_cmd_status->valid,
1464 sbp_cmd_status->s_key,
1465 sbp_cmd_status->s_code,
1466 sbp_cmd_status->s_qlfr,
1470 switch (sbp_cmd_status->status) {
1471 case SCSI_STATUS_CHECK_COND:
1472 case SCSI_STATUS_BUSY:
1473 case SCSI_STATUS_CMD_TERMINATED:
1474 if (sbp_cmd_status->sfmt == SBP_SFMT_CURR) {
1475 sense->error_code = SSD_CURRENT_ERROR;
1477 sense->error_code = SSD_DEFERRED_ERROR;
1479 if (sbp_cmd_status->valid)
1480 sense->error_code |= SSD_ERRCODE_VALID;
1481 sense->flags = sbp_cmd_status->s_key;
1482 if (sbp_cmd_status->mark)
1483 sense->flags |= SSD_FILEMARK;
1484 if (sbp_cmd_status->eom)
1485 sense->flags |= SSD_EOM;
1486 if (sbp_cmd_status->ill_len)
1487 sense->flags |= SSD_ILI;
1489 bcopy(&sbp_cmd_status->info, &sense->info[0], 4);
1491 if (sbp_status->len <= 1)
1492 /* XXX not scsi status. shouldn't be happened */
1493 sense->extra_len = 0;
1494 else if (sbp_status->len <= 4)
1495 /* add_sense_code(_qual), info, cmd_spec_info */
1496 sense->extra_len = 6;
1498 /* fru, sense_key_spec */
1499 sense->extra_len = 10;
1501 bcopy(&sbp_cmd_status->cdb, &sense->cmd_spec_info[0], 4);
1503 sense->add_sense_code = sbp_cmd_status->s_code;
1504 sense->add_sense_code_qual = sbp_cmd_status->s_qlfr;
1505 sense->fru = sbp_cmd_status->fru;
1507 bcopy(&sbp_cmd_status->s_keydep[0],
1508 &sense->sense_key_spec[0], 3);
1510 ocb->ccb->csio.scsi_status = sbp_cmd_status->status;
1511 ocb->ccb->ccb_h.status = CAM_SCSI_STATUS_ERROR
1512 | CAM_AUTOSNS_VALID;
1517 for (j = 0; j < 32; j += 8) {
1518 printf("sense %02x%02x %02x%02x %02x%02x %02x%02x\n",
1519 tmp[j], tmp[j + 1], tmp[j + 2], tmp[j + 3],
1520 tmp[j + 4], tmp[j + 5], tmp[j + 6], tmp[j + 7]);
1527 device_printf(ocb->sdev->target->sbp->fd.dev,
1528 "%s:%s unknown scsi status 0x%x\n",
1529 __func__, ocb->sdev->bustgtlun,
1530 sbp_cmd_status->status);
1535 sbp_fix_inq_data(struct sbp_ocb *ocb)
1538 struct sbp_dev *sdev;
1539 struct scsi_inquiry_data *inq;
1544 if (ccb->csio.cdb_io.cdb_bytes[1] & SI_EVPD)
1547 device_printf(sdev->target->sbp->fd.dev,
1548 "%s:%s\n", __func__, sdev->bustgtlun);
1550 inq = (struct scsi_inquiry_data *) ccb->csio.data_ptr;
1551 switch (SID_TYPE(inq)) {
1555 * XXX Convert Direct Access device to RBC.
1556 * I've never seen FireWire DA devices which support READ_6.
1558 if (SID_TYPE(inq) == T_DIRECT)
1559 inq->device |= T_RBC; /* T_DIRECT == 0 */
1564 * Override vendor/product/revision information.
1565 * Some devices sometimes return strange strings.
1568 bcopy(sdev->vendor, inq->vendor, sizeof(inq->vendor));
1569 bcopy(sdev->product, inq->product, sizeof(inq->product));
1570 bcopy(sdev->revision + 2, inq->revision, sizeof(inq->revision));
1575 * Force to enable/disable tagged queuing.
1576 * XXX CAM also checks SCP_QUEUE_DQUE flag in the control mode page.
1579 inq->flags |= SID_CmdQue;
1580 else if (sbp_tags < 0)
1581 inq->flags &= ~SID_CmdQue;
1586 sbp_recv1(struct fw_xfer *xfer)
1592 struct sbp_softc *sbp;
1593 struct sbp_dev *sdev;
1594 struct sbp_ocb *ocb;
1595 struct sbp_login_res *login_res = NULL;
1596 struct sbp_status *sbp_status;
1597 struct sbp_target *target;
1598 int orb_fun, status_valid0, status_valid, t, l, reset_agent = 0;
1602 ld = xfer->recv.buf;
1603 printf("sbp %x %d %d %08x %08x %08x %08x\n",
1604 xfer->resp, xfer->recv.len, xfer->recv.off, ntohl(ld[0]), ntohl(ld[1]), ntohl(ld[2]), ntohl(ld[3]));
1605 printf("sbp %08x %08x %08x %08x\n", ntohl(ld[4]), ntohl(ld[5]), ntohl(ld[6]), ntohl(ld[7]));
1606 printf("sbp %08x %08x %08x %08x\n", ntohl(ld[8]), ntohl(ld[9]), ntohl(ld[10]), ntohl(ld[11]));
1608 sbp = (struct sbp_softc *)xfer->sc;
1609 SBP_LOCK_ASSERT(sbp);
1610 if (xfer->resp != 0) {
1611 printf("sbp_recv: xfer->resp = %d\n", xfer->resp);
1614 if (xfer->recv.payload == NULL) {
1615 printf("sbp_recv: xfer->recv.payload == NULL\n");
1618 rfp = &xfer->recv.hdr;
1619 if (rfp->mode.wreqb.tcode != FWTCODE_WREQB) {
1620 printf("sbp_recv: tcode = %d\n", rfp->mode.wreqb.tcode);
1623 sbp_status = (struct sbp_status *)xfer->recv.payload;
1624 addr = rfp->mode.wreqb.dest_lo;
1626 printf("received address 0x%x\n", addr);
1628 t = SBP_ADDR2TRG(addr);
1629 if (t >= SBP_NUM_TARGETS) {
1630 device_printf(sbp->fd.dev,
1631 "sbp_recv1: invalid target %d\n", t);
1634 target = &sbp->targets[t];
1635 l = SBP_ADDR2LUN(addr);
1636 if (l >= target->num_lun || target->luns[l] == NULL) {
1637 device_printf(sbp->fd.dev,
1638 "sbp_recv1: invalid lun %d (target=%d)\n", l, t);
1641 sdev = target->luns[l];
1644 switch (sbp_status->src) {
1647 /* check mgm_ocb_cur first */
1648 ocb = target->mgm_ocb_cur;
1650 if (OCB_MATCH(ocb, sbp_status)) {
1651 callout_stop(&target->mgm_ocb_timeout);
1652 target->mgm_ocb_cur = NULL;
1656 ocb = sbp_dequeue_ocb(sdev, sbp_status);
1658 device_printf(sdev->target->sbp->fd.dev,
1659 "%s:%s No ocb(%x) on the queue\n",
1660 __func__,sdev->bustgtlun,
1661 ntohl(sbp_status->orb_lo));
1666 device_printf(sdev->target->sbp->fd.dev,
1667 "%s:%s unsolicit status received\n",
1668 __func__, sdev->bustgtlun);
1671 device_printf(sdev->target->sbp->fd.dev,
1672 "%s:%s unknown sbp_status->src\n",
1673 __func__, sdev->bustgtlun);
1676 status_valid0 = (sbp_status->src < 2
1677 && sbp_status->resp == ORB_RES_CMPL
1678 && sbp_status->dead == 0);
1679 status_valid = (status_valid0 && sbp_status->status == 0);
1681 if (!status_valid0 || debug > 2) {
1684 device_printf(sdev->target->sbp->fd.dev,
1685 "%s:%s ORB status src:%x resp:%x dead:%x"
1686 " len:%x stat:%x orb:%x%08x\n",
1687 __func__, sdev->bustgtlun,
1688 sbp_status->src, sbp_status->resp, sbp_status->dead,
1689 sbp_status->len, sbp_status->status,
1690 ntohs(sbp_status->orb_hi), ntohl(sbp_status->orb_lo));
1692 device_printf(sdev->target->sbp->fd.dev,
1693 "%s\n", sdev->bustgtlun);
1694 status = sbp_status->status;
1695 switch (sbp_status->resp) {
1697 if (status > MAX_ORB_STATUS0)
1698 printf("%s\n", orb_status0[MAX_ORB_STATUS0]);
1700 printf("%s\n", orb_status0[status]);
1703 printf("Obj: %s, Error: %s\n",
1704 orb_status1_object[(status >> 6) & 3],
1705 orb_status1_serial_bus_error[status & 0xf]);
1708 printf("Illegal request\n");
1711 printf("Vendor dependent\n");
1714 printf("unknown respose code %d\n", sbp_status->resp);
1718 /* we have to reset the fetch agent if it's dead */
1719 if (sbp_status->dead) {
1721 xpt_freeze_devq(sdev->path, 1);
1730 switch (ntohl(ocb->orb[4]) & ORB_FMT_MSK) {
1736 switch (ocb->flags) {
1738 orb_fun = ntohl(ocb->orb[4]) & ORB_FUN_MSK;
1742 fwdma_sync(&sdev->dma, BUS_DMASYNC_POSTREAD);
1743 login_res = sdev->login;
1744 login_res->len = ntohs(login_res->len);
1745 login_res->id = ntohs(login_res->id);
1746 login_res->cmd_hi = ntohs(login_res->cmd_hi);
1747 login_res->cmd_lo = ntohl(login_res->cmd_lo);
1750 device_printf(sdev->target->sbp->fd.dev,
1751 "%s:%s login: len %d, ID %d, cmd %08x%08x, recon_hold %d\n",
1752 __func__, sdev->bustgtlun,
1753 login_res->len, login_res->id,
1754 login_res->cmd_hi, login_res->cmd_lo,
1755 ntohs(login_res->recon_hold));
1757 sbp_busy_timeout(sdev);
1759 /* forgot logout? */
1760 device_printf(sdev->target->sbp->fd.dev,
1761 "%s:%s login failed\n",
1762 __func__, sdev->bustgtlun);
1763 sdev->status = SBP_DEV_RESET;
1767 login_res = sdev->login;
1770 device_printf(sdev->target->sbp->fd.dev,
1771 "%s:%s reconnect: len %d, ID %d, cmd %08x%08x\n",
1772 __func__, sdev->bustgtlun,
1773 login_res->len, login_res->id,
1774 login_res->cmd_hi, login_res->cmd_lo);
1776 if (sdev->status == SBP_DEV_ATTACHED)
1779 sbp_agent_reset(sdev);
1781 /* reconnection hold time exceed? */
1783 device_printf(sdev->target->sbp->fd.dev,
1784 "%s:%s reconnect failed\n",
1785 __func__, sdev->bustgtlun);
1791 sdev->status = SBP_DEV_RESET;
1794 sbp_busy_timeout(sdev);
1799 sbp_agent_reset(sdev);
1802 device_printf(sdev->target->sbp->fd.dev,
1803 "%s:%s unknown function %d\n",
1804 __func__, sdev->bustgtlun, orb_fun);
1807 sbp_mgm_orb(sdev, ORB_FUN_RUNQUEUE, NULL);
1811 if (ocb->ccb != NULL) {
1815 if (sbp_status->len > 1) {
1816 sbp_scsi_status(sbp_status, ocb);
1818 if (sbp_status->resp != ORB_RES_CMPL) {
1819 ccb->ccb_h.status = CAM_REQ_CMP_ERR;
1821 ccb->ccb_h.status = CAM_REQ_CMP;
1824 /* fix up inq data */
1825 if (ccb->csio.cdb_io.cdb_bytes[0] == INQUIRY)
1826 sbp_fix_inq_data(ocb);
1836 sbp_free_ocb(sdev, ocb);
1839 sbp_agent_reset(sdev);
1842 xfer->recv.pay_len = SBP_RECV_LEN;
1843 /* The received packet is usually small enough to be stored within
1844 * the buffer. In that case, the controller return ack_complete and
1845 * no respose is necessary.
1847 * XXX fwohci.c and firewire.c should inform event_code such as
1848 * ack_complete or ack_pending to upper driver.
1852 sfp = (struct fw_pkt *)xfer->send.buf;
1853 sfp->mode.wres.dst = rfp->mode.wreqb.src;
1854 xfer->dst = sfp->mode.wres.dst;
1855 xfer->spd = min(sdev->target->fwdev->speed, max_speed);
1856 xfer->hand = sbp_loginres_callback;
1858 sfp->mode.wres.tlrt = rfp->mode.wreqb.tlrt;
1859 sfp->mode.wres.tcode = FWTCODE_WRES;
1860 sfp->mode.wres.rtcode = 0;
1861 sfp->mode.wres.pri = 0;
1863 fw_asyreq(xfer->fc, -1, xfer);
1866 STAILQ_INSERT_TAIL(&sbp->fwb.xferlist, xfer, link);
1871 sbp_recv(struct fw_xfer *xfer)
1873 struct sbp_softc *sbp;
1875 sbp = (struct sbp_softc *)xfer->sc;
1884 sbp_attach(device_t dev)
1886 struct sbp_softc *sbp;
1887 struct cam_devq *devq;
1888 struct firewire_comm *fc;
1891 if (DFLTPHYS > SBP_MAXPHYS)
1892 device_printf(dev, "Warning, DFLTPHYS(%dKB) is larger than "
1893 "SBP_MAXPHYS(%dKB).\n", DFLTPHYS / 1024,
1894 SBP_MAXPHYS / 1024);
1896 if (!firewire_phydma_enable)
1897 device_printf(dev, "Warning, hw.firewire.phydma_enable must be 1 "
1898 "for SBP over FireWire.\n");
1900 printf("sbp_attach (cold=%d)\n", cold);
1905 sbp = device_get_softc(dev);
1907 sbp->fd.fc = fc = device_get_ivars(dev);
1908 mtx_init(&sbp->mtx, "sbp", NULL, MTX_DEF);
1911 max_speed = fc->speed;
1913 error = bus_dma_tag_create(/*parent*/fc->dmat,
1914 /* XXX shoud be 4 for sane backend? */
1917 /*lowaddr*/BUS_SPACE_MAXADDR_32BIT,
1918 /*highaddr*/BUS_SPACE_MAXADDR,
1919 /*filter*/NULL, /*filterarg*/NULL,
1920 /*maxsize*/0x100000, /*nsegments*/SBP_IND_MAX,
1921 /*maxsegsz*/SBP_SEG_MAX,
1922 /*flags*/BUS_DMA_ALLOCNOW,
1923 /*lockfunc*/busdma_lock_mutex,
1924 /*lockarg*/&sbp->mtx,
1927 printf("sbp_attach: Could not allocate DMA tag "
1928 "- error %d\n", error);
1932 devq = cam_simq_alloc(/*maxopenings*/SBP_NUM_OCB);
1936 for (i = 0; i < SBP_NUM_TARGETS; i++) {
1937 sbp->targets[i].fwdev = NULL;
1938 sbp->targets[i].luns = NULL;
1939 sbp->targets[i].sbp = sbp;
1942 sbp->sim = cam_sim_alloc(sbp_action, sbp_poll, "sbp", sbp,
1943 device_get_unit(dev),
1946 /*tagged*/ SBP_QUEUE_LEN - 1,
1949 if (sbp->sim == NULL) {
1950 cam_simq_free(devq);
1955 if (xpt_bus_register(sbp->sim, dev, /*bus*/0) != CAM_SUCCESS)
1958 if (xpt_create_path(&sbp->path, NULL, cam_sim_path(sbp->sim),
1959 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
1960 xpt_bus_deregister(cam_sim_path(sbp->sim));
1965 /* We reserve 16 bit space (4 bytes X 64 targets X 256 luns) */
1966 sbp->fwb.start = ((u_int64_t)SBP_BIND_HI << 32) | SBP_DEV2ADDR(0, 0);
1967 sbp->fwb.end = sbp->fwb.start + 0xffff;
1968 /* pre-allocate xfer */
1969 STAILQ_INIT(&sbp->fwb.xferlist);
1970 fw_xferlist_add(&sbp->fwb.xferlist, M_SBP,
1971 /*send*/ 0, /*recv*/ SBP_RECV_LEN, SBP_NUM_OCB/2,
1972 fc, (void *)sbp, sbp_recv);
1974 fw_bindadd(fc, &sbp->fwb);
1976 sbp->fd.post_busreset = sbp_post_busreset;
1977 sbp->fd.post_explore = sbp_post_explore;
1979 if (fc->status != -1) {
1980 sbp_post_busreset((void *)sbp);
1981 sbp_post_explore((void *)sbp);
1984 xpt_async(AC_BUS_RESET, sbp->path, /*arg*/ NULL);
1990 cam_sim_free(sbp->sim, /*free_devq*/TRUE);
1995 sbp_logout_all(struct sbp_softc *sbp)
1997 struct sbp_target *target;
1998 struct sbp_dev *sdev;
2002 printf("sbp_logout_all\n");
2004 SBP_LOCK_ASSERT(sbp);
2005 for (i = 0; i < SBP_NUM_TARGETS; i++) {
2006 target = &sbp->targets[i];
2007 if (target->luns == NULL)
2009 for (j = 0; j < target->num_lun; j++) {
2010 sdev = target->luns[j];
2013 callout_stop(&sdev->login_callout);
2014 if (sdev->status >= SBP_DEV_TOATTACH &&
2015 sdev->status <= SBP_DEV_ATTACHED)
2016 sbp_mgm_orb(sdev, ORB_FUN_LGO, NULL);
2024 sbp_shutdown(device_t dev)
2026 struct sbp_softc *sbp = ((struct sbp_softc *)device_get_softc(dev));
2029 sbp_logout_all(sbp);
2035 sbp_free_sdev(struct sbp_dev *sdev)
2037 struct sbp_softc *sbp;
2042 sbp = sdev->target->sbp;
2044 callout_drain(&sdev->login_callout);
2045 for (i = 0; i < SBP_QUEUE_LEN; i++) {
2046 callout_drain(&sdev->ocb[i].timer);
2047 bus_dmamap_destroy(sbp->dmat, sdev->ocb[i].dmamap);
2049 fwdma_free(sbp->fd.fc, &sdev->dma);
2055 sbp_free_target(struct sbp_target *target)
2057 struct sbp_softc *sbp;
2058 struct fw_xfer *xfer, *next;
2061 if (target->luns == NULL)
2064 SBP_LOCK_ASSERT(sbp);
2066 callout_drain(&target->mgm_ocb_timeout);
2067 callout_drain(&target->scan_callout);
2069 for (i = 0; i < target->num_lun; i++)
2070 sbp_free_sdev(target->luns[i]);
2072 STAILQ_FOREACH_SAFE(xfer, &target->xferlist, link, next) {
2073 fw_xfer_free_buf(xfer);
2075 STAILQ_INIT(&target->xferlist);
2076 free(target->luns, M_SBP);
2077 target->num_lun = 0;
2078 target->luns = NULL;
2079 target->fwdev = NULL;
2083 sbp_detach(device_t dev)
2085 struct sbp_softc *sbp = ((struct sbp_softc *)device_get_softc(dev));
2086 struct firewire_comm *fc = sbp->fd.fc;
2090 printf("sbp_detach\n");
2094 for (i = 0; i < SBP_NUM_TARGETS; i++)
2095 sbp_cam_detach_target(&sbp->targets[i]);
2097 xpt_async(AC_LOST_DEVICE, sbp->path, NULL);
2098 xpt_free_path(sbp->path);
2099 xpt_bus_deregister(cam_sim_path(sbp->sim));
2100 cam_sim_free(sbp->sim, /*free_devq*/ TRUE);
2102 sbp_logout_all(sbp);
2105 /* XXX wait for logout completion */
2106 pause("sbpdtc", hz/2);
2109 for (i = 0; i < SBP_NUM_TARGETS; i++)
2110 sbp_free_target(&sbp->targets[i]);
2113 fw_bindremove(fc, &sbp->fwb);
2114 fw_xferlist_remove(&sbp->fwb.xferlist);
2116 bus_dma_tag_destroy(sbp->dmat);
2117 mtx_destroy(&sbp->mtx);
2123 sbp_cam_detach_sdev(struct sbp_dev *sdev)
2127 if (sdev->status == SBP_DEV_DEAD)
2129 if (sdev->status == SBP_DEV_RESET)
2131 SBP_LOCK_ASSERT(sdev->target->sbp);
2132 sbp_abort_all_ocbs(sdev, CAM_DEV_NOT_THERE);
2134 xpt_release_devq(sdev->path,
2135 sdev->freeze, TRUE);
2137 xpt_async(AC_LOST_DEVICE, sdev->path, NULL);
2138 xpt_free_path(sdev->path);
2144 sbp_cam_detach_target(struct sbp_target *target)
2148 SBP_LOCK_ASSERT(target->sbp);
2149 if (target->luns != NULL) {
2151 printf("sbp_detach_target %d\n", target->target_id);
2153 callout_stop(&target->scan_callout);
2154 for (i = 0; i < target->num_lun; i++)
2155 sbp_cam_detach_sdev(target->luns[i]);
2160 sbp_target_reset(struct sbp_dev *sdev, int method)
2163 struct sbp_target *target = sdev->target;
2164 struct sbp_dev *tsdev;
2166 SBP_LOCK_ASSERT(target->sbp);
2167 for (i = 0; i < target->num_lun; i++) {
2168 tsdev = target->luns[i];
2171 if (tsdev->status == SBP_DEV_DEAD)
2173 if (tsdev->status == SBP_DEV_RESET)
2175 xpt_freeze_devq(tsdev->path, 1);
2177 sbp_abort_all_ocbs(tsdev, CAM_CMD_TIMEOUT);
2179 tsdev->status = SBP_DEV_LOGIN;
2183 printf("target reset\n");
2184 sbp_mgm_orb(sdev, ORB_FUN_RST, NULL);
2187 printf("reset start\n");
2188 sbp_reset_start(sdev);
2195 sbp_mgm_timeout(void *arg)
2197 struct sbp_ocb *ocb = (struct sbp_ocb *)arg;
2198 struct sbp_dev *sdev = ocb->sdev;
2199 struct sbp_target *target = sdev->target;
2201 SBP_LOCK_ASSERT(target->sbp);
2202 device_printf(sdev->target->sbp->fd.dev,
2203 "%s:%s request timeout(mgm orb:0x%08x)\n",
2204 __func__, sdev->bustgtlun, (uint32_t)ocb->bus_addr);
2205 target->mgm_ocb_cur = NULL;
2206 sbp_free_ocb(sdev, ocb);
2209 printf("run next request\n");
2210 sbp_mgm_orb(sdev, ORB_FUN_RUNQUEUE, NULL);
2212 device_printf(sdev->target->sbp->fd.dev,
2213 "%s:%s reset start\n",
2214 __func__, sdev->bustgtlun);
2215 sbp_reset_start(sdev);
2219 sbp_timeout(void *arg)
2221 struct sbp_ocb *ocb = (struct sbp_ocb *)arg;
2222 struct sbp_dev *sdev = ocb->sdev;
2224 device_printf(sdev->target->sbp->fd.dev,
2225 "%s:%s request timeout(cmd orb:0x%08x) ... ",
2226 __func__, sdev->bustgtlun, (uint32_t)ocb->bus_addr);
2228 SBP_LOCK_ASSERT(sdev->target->sbp);
2230 switch (sdev->timeout) {
2232 printf("agent reset\n");
2233 xpt_freeze_devq(sdev->path, 1);
2235 sbp_abort_all_ocbs(sdev, CAM_CMD_TIMEOUT);
2236 sbp_agent_reset(sdev);
2240 sbp_target_reset(sdev, sdev->timeout - 1);
2245 sbp_cam_detach_target(target);
2246 if (target->luns != NULL)
2247 free(target->luns, M_SBP);
2248 target->num_lun = 0;
2249 target->luns = NULL;
2250 target->fwdev = NULL;
2256 sbp_action(struct cam_sim *sim, union ccb *ccb)
2259 struct sbp_softc *sbp = (struct sbp_softc *)sim->softc;
2260 struct sbp_target *target = NULL;
2261 struct sbp_dev *sdev = NULL;
2264 SBP_LOCK_ASSERT(sbp);
2265 /* target:lun -> sdev mapping */
2267 && ccb->ccb_h.target_id != CAM_TARGET_WILDCARD
2268 && ccb->ccb_h.target_id < SBP_NUM_TARGETS) {
2269 target = &sbp->targets[ccb->ccb_h.target_id];
2270 if (target->fwdev != NULL
2271 && ccb->ccb_h.target_lun != CAM_LUN_WILDCARD
2272 && ccb->ccb_h.target_lun < target->num_lun) {
2273 sdev = target->luns[ccb->ccb_h.target_lun];
2274 if (sdev != NULL && sdev->status != SBP_DEV_ATTACHED &&
2275 sdev->status != SBP_DEV_PROBE)
2282 printf("invalid target %d lun %jx\n",
2283 ccb->ccb_h.target_id, (uintmax_t)ccb->ccb_h.target_lun);
2286 switch (ccb->ccb_h.func_code) {
2289 case XPT_GET_TRAN_SETTINGS:
2290 case XPT_SET_TRAN_SETTINGS:
2291 case XPT_CALC_GEOMETRY:
2294 printf("%s:%d:%jx:func_code 0x%04x: "
2295 "Invalid target (target needed)\n",
2296 device_get_nameunit(sbp->fd.dev),
2297 ccb->ccb_h.target_id,
2298 (uintmax_t)ccb->ccb_h.target_lun,
2299 ccb->ccb_h.func_code);
2302 ccb->ccb_h.status = CAM_DEV_NOT_THERE;
2309 /* The opcodes sometimes aimed at a target (sc is valid),
2310 * sometimes aimed at the SIM (sc is invalid and target is
2311 * CAM_TARGET_WILDCARD)
2314 ccb->ccb_h.target_id != CAM_TARGET_WILDCARD) {
2316 printf("%s:%d:%jx func_code 0x%04x: "
2317 "Invalid target (no wildcard)\n",
2318 device_get_nameunit(sbp->fd.dev),
2319 ccb->ccb_h.target_id,
2320 (uintmax_t)ccb->ccb_h.target_lun,
2321 ccb->ccb_h.func_code);
2323 ccb->ccb_h.status = CAM_DEV_NOT_THERE;
2329 /* XXX Hm, we should check the input parameters */
2333 switch (ccb->ccb_h.func_code) {
2336 struct ccb_scsiio *csio;
2337 struct sbp_ocb *ocb;
2342 mtx_assert(sim->mtx, MA_OWNED);
2345 printf("%s:%d:%jx XPT_SCSI_IO: "
2346 "cmd: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x"
2348 "%db cmd/%db data/%db sense\n",
2349 device_get_nameunit(sbp->fd.dev),
2350 ccb->ccb_h.target_id, (uintmax_t)ccb->ccb_h.target_lun,
2351 csio->cdb_io.cdb_bytes[0],
2352 csio->cdb_io.cdb_bytes[1],
2353 csio->cdb_io.cdb_bytes[2],
2354 csio->cdb_io.cdb_bytes[3],
2355 csio->cdb_io.cdb_bytes[4],
2356 csio->cdb_io.cdb_bytes[5],
2357 csio->cdb_io.cdb_bytes[6],
2358 csio->cdb_io.cdb_bytes[7],
2359 csio->cdb_io.cdb_bytes[8],
2360 csio->cdb_io.cdb_bytes[9],
2361 ccb->ccb_h.flags & CAM_DIR_MASK,
2362 csio->cdb_len, csio->dxfer_len,
2366 ccb->ccb_h.status = CAM_DEV_NOT_THERE;
2371 /* if we are in probe stage, pass only probe commands */
2372 if (sdev->status == SBP_DEV_PROBE) {
2374 name = xpt_path_periph(ccb->ccb_h.path)->periph_name;
2375 printf("probe stage, periph name: %s\n", name);
2376 if (strcmp(name, "probe") != 0) {
2377 ccb->ccb_h.status = CAM_REQUEUE_REQ;
2383 if ((ocb = sbp_get_ocb(sdev)) == NULL) {
2384 ccb->ccb_h.status = CAM_RESRC_UNAVAIL;
2385 if (sdev->freeze == 0) {
2386 xpt_freeze_devq(sdev->path, 1);
2393 ocb->flags = OCB_ACT_CMD;
2396 ccb->ccb_h.ccb_sdev_ptr = sdev;
2397 ocb->orb[0] = htonl(1U << 31);
2399 ocb->orb[2] = htonl(((sbp->fd.fc->nodeid | FWLOCALBUS) << 16));
2400 ocb->orb[3] = htonl(ocb->bus_addr + IND_PTR_OFFSET);
2401 speed = min(target->fwdev->speed, max_speed);
2402 ocb->orb[4] = htonl(ORB_NOTIFY | ORB_CMD_SPD(speed)
2403 | ORB_CMD_MAXP(speed + 7));
2404 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
2405 ocb->orb[4] |= htonl(ORB_CMD_IN);
2408 if (csio->ccb_h.flags & CAM_CDB_POINTER)
2409 cdb = (void *)csio->cdb_io.cdb_ptr;
2411 cdb = (void *)&csio->cdb_io.cdb_bytes;
2412 bcopy(cdb, (void *)&ocb->orb[5], csio->cdb_len);
2414 printf("ORB %08x %08x %08x %08x\n", ntohl(ocb->orb[0]), ntohl(ocb->orb[1]), ntohl(ocb->orb[2]), ntohl(ocb->orb[3]));
2415 printf("ORB %08x %08x %08x %08x\n", ntohl(ocb->orb[4]), ntohl(ocb->orb[5]), ntohl(ocb->orb[6]), ntohl(ocb->orb[7]));
2417 if (ccb->csio.dxfer_len > 0) {
2420 error = bus_dmamap_load_ccb(/*dma tag*/sbp->dmat,
2421 /*dma map*/ocb->dmamap,
2427 printf("sbp: bus_dmamap_load error %d\n", error);
2429 sbp_execute_ocb(ocb, NULL, 0, 0);
2432 case XPT_CALC_GEOMETRY:
2434 struct ccb_calc_geometry *ccg;
2437 if (ccg->block_size == 0) {
2438 printf("sbp_action: block_size is 0.\n");
2439 ccb->ccb_h.status = CAM_REQ_INVALID;
2444 printf("%s:%d:%d:%jx:XPT_CALC_GEOMETRY: "
2445 "Volume size = %jd\n",
2446 device_get_nameunit(sbp->fd.dev),
2447 cam_sim_path(sbp->sim),
2448 ccb->ccb_h.target_id, (uintmax_t)ccb->ccb_h.target_lun,
2449 (uintmax_t)ccg->volume_size);
2452 cam_calc_geometry(ccg, /*extended*/1);
2456 case XPT_RESET_BUS: /* Reset the specified SCSI bus */
2460 printf("%s:%d:XPT_RESET_BUS: \n",
2461 device_get_nameunit(sbp->fd.dev), cam_sim_path(sbp->sim));
2464 ccb->ccb_h.status = CAM_REQ_INVALID;
2468 case XPT_PATH_INQ: /* Path routing inquiry */
2470 struct ccb_pathinq *cpi = &ccb->cpi;
2473 printf("%s:%d:%jx XPT_PATH_INQ:.\n",
2474 device_get_nameunit(sbp->fd.dev),
2475 ccb->ccb_h.target_id, (uintmax_t)ccb->ccb_h.target_lun);
2477 cpi->version_num = 1; /* XXX??? */
2478 cpi->hba_inquiry = PI_TAG_ABLE;
2479 cpi->target_sprt = 0;
2480 cpi->hba_misc = PIM_NOBUSRESET | PIM_NO_6_BYTE;
2481 cpi->hba_eng_cnt = 0;
2482 cpi->max_target = SBP_NUM_TARGETS - 1;
2483 cpi->max_lun = SBP_NUM_LUNS - 1;
2484 cpi->initiator_id = SBP_INITIATOR;
2485 cpi->bus_id = sim->bus_id;
2486 cpi->base_transfer_speed = 400 * 1000 / 8;
2487 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
2488 strncpy(cpi->hba_vid, "SBP", HBA_IDLEN);
2489 strncpy(cpi->dev_name, sim->sim_name, DEV_IDLEN);
2490 cpi->unit_number = sim->unit_number;
2491 cpi->transport = XPORT_SPI; /* XX should have a FireWire */
2492 cpi->transport_version = 2;
2493 cpi->protocol = PROTO_SCSI;
2494 cpi->protocol_version = SCSI_REV_2;
2496 cpi->ccb_h.status = CAM_REQ_CMP;
2500 case XPT_GET_TRAN_SETTINGS:
2502 struct ccb_trans_settings *cts = &ccb->cts;
2503 struct ccb_trans_settings_scsi *scsi =
2504 &cts->proto_specific.scsi;
2505 struct ccb_trans_settings_spi *spi =
2506 &cts->xport_specific.spi;
2508 cts->protocol = PROTO_SCSI;
2509 cts->protocol_version = SCSI_REV_2;
2510 cts->transport = XPORT_SPI; /* should have a FireWire */
2511 cts->transport_version = 2;
2512 spi->valid = CTS_SPI_VALID_DISC;
2513 spi->flags = CTS_SPI_FLAGS_DISC_ENB;
2514 scsi->valid = CTS_SCSI_VALID_TQ;
2515 scsi->flags = CTS_SCSI_FLAGS_TAG_ENB;
2517 printf("%s:%d:%jx XPT_GET_TRAN_SETTINGS:.\n",
2518 device_get_nameunit(sbp->fd.dev),
2519 ccb->ccb_h.target_id, (uintmax_t)ccb->ccb_h.target_lun);
2521 cts->ccb_h.status = CAM_REQ_CMP;
2526 ccb->ccb_h.status = CAM_UA_ABORT;
2529 case XPT_SET_TRAN_SETTINGS:
2532 ccb->ccb_h.status = CAM_REQ_INVALID;
2540 sbp_execute_ocb(void *arg, bus_dma_segment_t *segments, int seg, int error)
2543 struct sbp_ocb *ocb;
2544 struct sbp_ocb *prev;
2545 bus_dma_segment_t *s;
2548 printf("sbp_execute_ocb: error=%d\n", error);
2550 ocb = (struct sbp_ocb *)arg;
2553 printf("sbp_execute_ocb: seg %d", seg);
2554 for (i = 0; i < seg; i++)
2555 printf(", %jx:%jd", (uintmax_t)segments[i].ds_addr,
2556 (uintmax_t)segments[i].ds_len);
2561 /* direct pointer */
2563 if (s->ds_len > SBP_SEG_MAX)
2564 panic("ds_len > SBP_SEG_MAX, fix busdma code");
2565 ocb->orb[3] = htonl(s->ds_addr);
2566 ocb->orb[4] |= htonl(s->ds_len);
2567 } else if (seg > 1) {
2569 for (i = 0; i < seg; i++) {
2572 /* XXX LSI Logic "< 16 byte" bug might be hit */
2574 printf("sbp_execute_ocb: warning, "
2575 "segment length(%zd) is less than 16."
2576 "(seg=%d/%d)\n", (size_t)s->ds_len, i + 1, seg);
2578 if (s->ds_len > SBP_SEG_MAX)
2579 panic("ds_len > SBP_SEG_MAX, fix busdma code");
2580 ocb->ind_ptr[i].hi = htonl(s->ds_len << 16);
2581 ocb->ind_ptr[i].lo = htonl(s->ds_addr);
2583 ocb->orb[4] |= htonl(ORB_CMD_PTBL | seg);
2587 bus_dmamap_sync(ocb->sdev->target->sbp->dmat, ocb->dmamap,
2588 (ntohl(ocb->orb[4]) & ORB_CMD_IN) ?
2589 BUS_DMASYNC_PREREAD : BUS_DMASYNC_PREWRITE);
2590 prev = sbp_enqueue_ocb(ocb->sdev, ocb);
2591 fwdma_sync(&ocb->sdev->dma, BUS_DMASYNC_PREWRITE);
2594 if (ocb->sdev->last_ocb != NULL)
2595 sbp_doorbell(ocb->sdev);
2597 sbp_orb_pointer(ocb->sdev, ocb);
2600 if (prev == NULL || (ocb->sdev->flags & ORB_LINK_DEAD) != 0) {
2601 ocb->sdev->flags &= ~ORB_LINK_DEAD;
2602 sbp_orb_pointer(ocb->sdev, ocb);
2608 sbp_poll(struct cam_sim *sim)
2610 struct sbp_softc *sbp;
2611 struct firewire_comm *fc;
2613 sbp = (struct sbp_softc *)sim->softc;
2616 fc->poll(fc, 0, -1);
2621 static struct sbp_ocb *
2622 sbp_dequeue_ocb(struct sbp_dev *sdev, struct sbp_status *sbp_status)
2624 struct sbp_ocb *ocb;
2625 struct sbp_ocb *next;
2629 device_printf(sdev->target->sbp->fd.dev,
2630 "%s:%s 0x%08x src %d\n",
2631 __func__, sdev->bustgtlun, ntohl(sbp_status->orb_lo), sbp_status->src);
2633 SBP_LOCK_ASSERT(sdev->target->sbp);
2634 STAILQ_FOREACH_SAFE(ocb, &sdev->ocbs, ocb, next) {
2635 if (OCB_MATCH(ocb, sbp_status)) {
2637 STAILQ_REMOVE(&sdev->ocbs, ocb, sbp_ocb, ocb);
2638 if (ocb->ccb != NULL)
2639 callout_stop(&ocb->timer);
2640 if (ntohl(ocb->orb[4]) & 0xffff) {
2641 bus_dmamap_sync(sdev->target->sbp->dmat,
2643 (ntohl(ocb->orb[4]) & ORB_CMD_IN) ?
2644 BUS_DMASYNC_POSTREAD :
2645 BUS_DMASYNC_POSTWRITE);
2646 bus_dmamap_unload(sdev->target->sbp->dmat,
2649 if (!use_doorbell) {
2650 if (sbp_status->src == SRC_NO_NEXT) {
2652 sbp_orb_pointer(sdev, next);
2653 else if (order > 0) {
2655 * Unordered execution
2656 * We need to send pointer for
2659 sdev->flags |= ORB_LINK_DEAD;
2664 * XXX this is not correct for unordered
2667 if (sdev->last_ocb != NULL) {
2668 sbp_free_ocb(sdev, sdev->last_ocb);
2670 sdev->last_ocb = ocb;
2672 sbp_status->src == SRC_NO_NEXT)
2680 if (ocb && order > 0) {
2681 device_printf(sdev->target->sbp->fd.dev,
2682 "%s:%s unordered execution order:%d\n",
2683 __func__, sdev->bustgtlun, order);
2689 static struct sbp_ocb *
2690 sbp_enqueue_ocb(struct sbp_dev *sdev, struct sbp_ocb *ocb)
2692 struct sbp_ocb *prev, *prev2;
2694 SBP_LOCK_ASSERT(sdev->target->sbp);
2696 device_printf(sdev->target->sbp->fd.dev,
2697 "%s:%s 0x%08jx\n", __func__, sdev->bustgtlun, (uintmax_t)ocb->bus_addr);
2699 prev2 = prev = STAILQ_LAST(&sdev->ocbs, sbp_ocb, ocb);
2700 STAILQ_INSERT_TAIL(&sdev->ocbs, ocb, ocb);
2702 if (ocb->ccb != NULL)
2703 callout_reset(&ocb->timer, (ocb->ccb->ccb_h.timeout * hz) / 1000,
2706 if (use_doorbell && prev == NULL)
2707 prev2 = sdev->last_ocb;
2709 if (prev2 != NULL && (ocb->sdev->flags & ORB_LINK_DEAD) == 0) {
2711 printf("linking chain 0x%jx -> 0x%jx\n",
2712 (uintmax_t)prev2->bus_addr, (uintmax_t)ocb->bus_addr);
2715 * Suppress compiler optimization so that orb[1] must be written first.
2716 * XXX We may need an explicit memory barrier for other architectures
2717 * other than i386/amd64.
2719 *(volatile uint32_t *)&prev2->orb[1] = htonl(ocb->bus_addr);
2720 *(volatile uint32_t *)&prev2->orb[0] = 0;
2726 static struct sbp_ocb *
2727 sbp_get_ocb(struct sbp_dev *sdev)
2729 struct sbp_ocb *ocb;
2731 SBP_LOCK_ASSERT(sdev->target->sbp);
2732 ocb = STAILQ_FIRST(&sdev->free_ocbs);
2734 sdev->flags |= ORB_SHORTAGE;
2735 printf("ocb shortage!!!\n");
2738 STAILQ_REMOVE_HEAD(&sdev->free_ocbs, ocb);
2744 sbp_free_ocb(struct sbp_dev *sdev, struct sbp_ocb *ocb)
2749 SBP_LOCK_ASSERT(sdev->target->sbp);
2750 STAILQ_INSERT_TAIL(&sdev->free_ocbs, ocb, ocb);
2751 if ((sdev->flags & ORB_SHORTAGE) != 0) {
2754 sdev->flags &= ~ORB_SHORTAGE;
2755 count = sdev->freeze;
2757 xpt_release_devq(sdev->path, count, TRUE);
2762 sbp_abort_ocb(struct sbp_ocb *ocb, int status)
2764 struct sbp_dev *sdev;
2767 SBP_LOCK_ASSERT(sdev->target->sbp);
2769 device_printf(sdev->target->sbp->fd.dev,
2770 "%s:%s 0x%jx\n", __func__, sdev->bustgtlun, (uintmax_t)ocb->bus_addr);
2773 if (ocb->ccb != NULL)
2774 sbp_print_scsi_cmd(ocb);
2776 if (ntohl(ocb->orb[4]) & 0xffff) {
2777 bus_dmamap_sync(sdev->target->sbp->dmat, ocb->dmamap,
2778 (ntohl(ocb->orb[4]) & ORB_CMD_IN) ?
2779 BUS_DMASYNC_POSTREAD : BUS_DMASYNC_POSTWRITE);
2780 bus_dmamap_unload(sdev->target->sbp->dmat, ocb->dmamap);
2782 if (ocb->ccb != NULL) {
2783 callout_stop(&ocb->timer);
2784 ocb->ccb->ccb_h.status = status;
2787 sbp_free_ocb(sdev, ocb);
2791 sbp_abort_all_ocbs(struct sbp_dev *sdev, int status)
2793 struct sbp_ocb *ocb, *next;
2794 STAILQ_HEAD(, sbp_ocb) temp;
2797 SBP_LOCK_ASSERT(sdev->target->sbp);
2798 STAILQ_CONCAT(&temp, &sdev->ocbs);
2799 STAILQ_INIT(&sdev->ocbs);
2801 STAILQ_FOREACH_SAFE(ocb, &temp, ocb, next) {
2802 sbp_abort_ocb(ocb, status);
2804 if (sdev->last_ocb != NULL) {
2805 sbp_free_ocb(sdev, sdev->last_ocb);
2806 sdev->last_ocb = NULL;
2810 static devclass_t sbp_devclass;
2812 static device_method_t sbp_methods[] = {
2813 /* device interface */
2814 DEVMETHOD(device_identify, sbp_identify),
2815 DEVMETHOD(device_probe, sbp_probe),
2816 DEVMETHOD(device_attach, sbp_attach),
2817 DEVMETHOD(device_detach, sbp_detach),
2818 DEVMETHOD(device_shutdown, sbp_shutdown),
2823 static driver_t sbp_driver = {
2826 sizeof(struct sbp_softc),
2828 DRIVER_MODULE(sbp, firewire, sbp_driver, sbp_devclass, 0, 0);
2829 MODULE_VERSION(sbp, 1);
2830 MODULE_DEPEND(sbp, firewire, 1, 1, 1);
2831 MODULE_DEPEND(sbp, cam, 1, 1, 1);