2 * SPDX-License-Identifier: BSD-4-Clause
4 * Copyright (c) 2003 Hidetoshi Shimokawa
5 * Copyright (c) 1998-2002 Katsushi Kobayashi and Hidetoshi Shimokawa
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. All advertising materials mentioning features or use of this software
17 * must display the acknowledgement as bellow:
19 * This product includes software developed by K. Kobayashi and H. Shimokawa
21 * 4. The name of the author may not be used to endorse or promote products
22 * derived from this software without specific prior written permission.
24 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
25 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
26 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
27 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
28 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
29 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
30 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
32 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
33 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
34 * POSSIBILITY OF SUCH DAMAGE.
40 #include <sys/param.h>
41 #include <sys/systm.h>
42 #include <sys/module.h>
44 #include <sys/kernel.h>
45 #include <sys/sysctl.h>
46 #include <machine/bus.h>
47 #include <sys/malloc.h>
49 #include <sys/mutex.h>
52 #include <cam/cam_ccb.h>
53 #include <cam/cam_sim.h>
54 #include <cam/cam_xpt_sim.h>
55 #include <cam/cam_debug.h>
56 #include <cam/cam_periph.h>
57 #include <cam/scsi/scsi_all.h>
59 #include <dev/firewire/firewire.h>
60 #include <dev/firewire/firewirereg.h>
61 #include <dev/firewire/fwdma.h>
62 #include <dev/firewire/iec13213.h>
63 #include <dev/firewire/sbp.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_MAXPHYS MIN(MAXPHYS, (512*1024) /* 512KB */)
75 #define SBP_DMA_SIZE PAGE_SIZE
76 #define SBP_LOGIN_SIZE sizeof(struct sbp_login_res)
77 #define SBP_QUEUE_LEN ((SBP_DMA_SIZE - SBP_LOGIN_SIZE) / sizeof(struct sbp_ocb))
78 #define SBP_NUM_OCB (SBP_QUEUE_LEN * SBP_NUM_TARGETS)
81 * STATUS FIFO addressing
83 *-----------------------
84 * 0- 1( 2): 0 (alignment)
88 * 32-47(16): SBP_BIND_HI
89 * 48-64(16): bus_id, node_id
91 #define SBP_BIND_HI 0x1
92 #define SBP_DEV2ADDR(t, l) \
93 (((u_int64_t)SBP_BIND_HI << 32) \
94 | (((l) & 0xff) << 8) \
95 | (((t) & 0x3f) << 2))
96 #define SBP_ADDR2TRG(a) (((a) >> 2) & 0x3f)
97 #define SBP_ADDR2LUN(a) (((a) >> 8) & 0xff)
98 #define SBP_INITIATOR 7
100 static char *orb_fun_name[] = {
104 static int debug = 0;
105 static int auto_login = 1;
106 static int max_speed = -1;
107 static int sbp_cold = 1;
108 static int ex_login = 1;
109 static int login_delay = 1000; /* msec */
110 static int scan_delay = 500; /* msec */
111 static int use_doorbell = 0;
112 static int sbp_tags = 0;
114 SYSCTL_DECL(_hw_firewire);
115 static SYSCTL_NODE(_hw_firewire, OID_AUTO, sbp, CTLFLAG_RD, 0,
117 SYSCTL_INT(_debug, OID_AUTO, sbp_debug, CTLFLAG_RWTUN, &debug, 0,
119 SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, auto_login, CTLFLAG_RWTUN, &auto_login, 0,
120 "SBP perform login automatically");
121 SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, max_speed, CTLFLAG_RWTUN, &max_speed, 0,
122 "SBP transfer max speed");
123 SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, exclusive_login, CTLFLAG_RWTUN,
124 &ex_login, 0, "SBP enable exclusive login");
125 SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, login_delay, CTLFLAG_RWTUN,
126 &login_delay, 0, "SBP login delay in msec");
127 SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, scan_delay, CTLFLAG_RWTUN,
128 &scan_delay, 0, "SBP scan delay in msec");
129 SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, use_doorbell, CTLFLAG_RWTUN,
130 &use_doorbell, 0, "SBP use doorbell request");
131 SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, tags, CTLFLAG_RWTUN, &sbp_tags, 0,
132 "SBP tagged queuing support");
134 #define NEED_RESPONSE 0
136 #define SBP_SEG_MAX rounddown(0xffff, PAGE_SIZE)
137 #ifdef __sparc64__ /* iommu */
138 #define SBP_IND_MAX howmany(SBP_MAXPHYS, SBP_SEG_MAX)
140 #define SBP_IND_MAX howmany(SBP_MAXPHYS, PAGE_SIZE)
143 STAILQ_ENTRY(sbp_ocb) ocb;
147 #define IND_PTR_OFFSET (8*sizeof(uint32_t))
148 struct ind_ptr ind_ptr[SBP_IND_MAX];
149 struct sbp_dev *sdev;
150 int flags; /* XXX should be removed */
152 struct callout timer;
155 #define OCB_ACT_MGM 0
156 #define OCB_ACT_CMD 1
157 #define OCB_MATCH(o,s) ((o)->bus_addr == ntohl((s)->orb_lo))
160 #define SBP_DEV_RESET 0 /* accept login */
161 #define SBP_DEV_LOGIN 1 /* to login */
163 #define SBP_DEV_RECONN 2 /* to reconnect */
165 #define SBP_DEV_TOATTACH 3 /* to attach */
166 #define SBP_DEV_PROBE 4 /* scan lun */
167 #define SBP_DEV_ATTACHED 5 /* in operation */
168 #define SBP_DEV_DEAD 6 /* unavailable unit */
169 #define SBP_DEV_RETRY 7 /* unavailable unit */
175 #define ORB_LINK_DEAD (1 << 0)
176 #define VALID_LUN (1 << 1)
177 #define ORB_POINTER_ACTIVE (1 << 2)
178 #define ORB_POINTER_NEED (1 << 3)
179 #define ORB_DOORBELL_ACTIVE (1 << 4)
180 #define ORB_DOORBELL_NEED (1 << 5)
181 #define ORB_SHORTAGE (1 << 6)
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;
191 struct sbp_ocb *last_ocb;
201 struct sbp_dev **luns;
202 struct sbp_softc *sbp;
203 struct fw_device *fwdev;
204 uint32_t mgm_hi, mgm_lo;
205 struct sbp_ocb *mgm_ocb_cur;
206 STAILQ_HEAD(, sbp_ocb) mgm_ocb_queue;
207 struct callout mgm_ocb_timeout;
208 struct callout scan_callout;
209 STAILQ_HEAD(, fw_xfer) xferlist;
214 struct firewire_dev_comm fd;
216 struct cam_path *path;
217 struct sbp_target targets[SBP_NUM_TARGETS];
220 struct timeval last_busreset;
221 #define SIMQ_FREEZED 1
225 #define SBP_LOCK(sbp) mtx_lock(&(sbp)->mtx)
226 #define SBP_UNLOCK(sbp) mtx_unlock(&(sbp)->mtx)
227 #define SBP_LOCK_ASSERT(sbp) mtx_assert(&(sbp)->mtx, MA_OWNED)
229 static void sbp_post_explore (void *);
230 static void sbp_recv (struct fw_xfer *);
231 static void sbp_mgm_callback (struct fw_xfer *);
233 static void sbp_cmd_callback (struct fw_xfer *);
235 static void sbp_orb_pointer (struct sbp_dev *, struct sbp_ocb *);
236 static void sbp_doorbell(struct sbp_dev *);
237 static void sbp_execute_ocb (void *, bus_dma_segment_t *, int, int);
238 static void sbp_free_ocb (struct sbp_dev *, struct sbp_ocb *);
239 static void sbp_abort_ocb (struct sbp_ocb *, int);
240 static void sbp_abort_all_ocbs (struct sbp_dev *, int);
241 static struct fw_xfer * sbp_write_cmd (struct sbp_dev *, int, int);
242 static struct sbp_ocb * sbp_get_ocb (struct sbp_dev *);
243 static struct sbp_ocb * sbp_enqueue_ocb (struct sbp_dev *, struct sbp_ocb *);
244 static struct sbp_ocb * sbp_dequeue_ocb (struct sbp_dev *, struct sbp_status *);
245 static void sbp_cam_detach_sdev(struct sbp_dev *);
246 static void sbp_free_sdev(struct sbp_dev *);
247 static void sbp_cam_detach_target (struct sbp_target *);
248 static void sbp_free_target (struct sbp_target *);
249 static void sbp_mgm_timeout (void *arg);
250 static void sbp_timeout (void *arg);
251 static void sbp_mgm_orb (struct sbp_dev *, int, struct sbp_ocb *);
253 static MALLOC_DEFINE(M_SBP, "sbp", "SBP-II/FireWire");
255 /* cam related functions */
256 static void sbp_action(struct cam_sim *sim, union ccb *ccb);
257 static void sbp_poll(struct cam_sim *sim);
258 static void sbp_cam_scan_lun(struct cam_periph *, union ccb *);
259 static void sbp_cam_scan_target(void *arg);
261 static char *orb_status0[] = {
262 /* 0 */ "No additional information to report",
263 /* 1 */ "Request type not supported",
264 /* 2 */ "Speed not supported",
265 /* 3 */ "Page size not supported",
266 /* 4 */ "Access denied",
267 /* 5 */ "Logical unit not supported",
268 /* 6 */ "Maximum payload too small",
269 /* 7 */ "Reserved for future standardization",
270 /* 8 */ "Resources unavailable",
271 /* 9 */ "Function rejected",
272 /* A */ "Login ID not recognized",
273 /* B */ "Dummy ORB completed",
274 /* C */ "Request aborted",
275 /* FF */ "Unspecified error"
276 #define MAX_ORB_STATUS0 0xd
279 static char *orb_status1_object[] = {
280 /* 0 */ "Operation request block (ORB)",
281 /* 1 */ "Data buffer",
282 /* 2 */ "Page table",
283 /* 3 */ "Unable to specify"
286 static char *orb_status1_serial_bus_error[] = {
287 /* 0 */ "Missing acknowledge",
288 /* 1 */ "Reserved; not to be used",
289 /* 2 */ "Time-out error",
290 /* 3 */ "Reserved; not to be used",
291 /* 4 */ "Busy retry limit exceeded(X)",
292 /* 5 */ "Busy retry limit exceeded(A)",
293 /* 6 */ "Busy retry limit exceeded(B)",
294 /* 7 */ "Reserved for future standardization",
295 /* 8 */ "Reserved for future standardization",
296 /* 9 */ "Reserved for future standardization",
297 /* A */ "Reserved for future standardization",
298 /* B */ "Tardy retry limit exceeded",
299 /* C */ "Conflict error",
300 /* D */ "Data error",
301 /* E */ "Type error",
302 /* F */ "Address error"
306 sbp_identify(driver_t *driver, device_t parent)
309 printf("sbp_identify\n");
312 if (device_find_child(parent, "sbp", -1) == NULL)
313 BUS_ADD_CHILD(parent, 0, "sbp", -1);
320 sbp_probe(device_t dev)
324 printf("sbp_probe\n");
327 device_set_desc(dev, "SBP-2/SCSI over FireWire");
338 * Display device characteristics on the console
341 sbp_show_sdev_info(struct sbp_dev *sdev)
343 struct fw_device *fwdev;
345 fwdev = sdev->target->fwdev;
346 device_printf(sdev->target->sbp->fd.dev,
347 "%s: %s: ordered:%d type:%d EUI:%08x%08x node:%d "
348 "speed:%d maxrec:%d\n",
351 (sdev->type & 0x40) >> 6,
359 device_printf(sdev->target->sbp->fd.dev,
360 "%s: %s '%s' '%s' '%s'\n",
373 /* Bus Target EUI64 */
375 {0, 2, {0x00018ea0, 0x01fd0154}}, /* Logitec HDD */
376 {0, 0, {0x00018ea6, 0x00100682}}, /* Logitec DVD */
377 {0, 1, {0x00d03200, 0xa412006a}}, /* Yano HDD */
383 sbp_new_target(struct sbp_softc *sbp, struct fw_device *fwdev)
385 int bus, i, target=-1;
386 char w[SBP_NUM_TARGETS];
389 bus = device_get_unit(sbp->fd.dev);
391 /* XXX wired-down configuration should be gotten from
392 tunable or device hint */
393 for (i = 0; wired[i].bus >= 0; i++) {
394 if (wired[i].bus == bus) {
395 w[wired[i].target] = 1;
396 if (wired[i].eui.hi == fwdev->eui.hi &&
397 wired[i].eui.lo == fwdev->eui.lo)
398 target = wired[i].target;
402 if (target < SBP_NUM_TARGETS &&
403 sbp->targets[target].fwdev == NULL)
405 device_printf(sbp->fd.dev,
406 "target %d is not free for %08x:%08x\n",
407 target, fwdev->eui.hi, fwdev->eui.lo);
410 /* non-wired target */
411 for (i = 0; i < SBP_NUM_TARGETS; i++)
412 if (sbp->targets[i].fwdev == NULL && w[i] == 0) {
421 sbp_alloc_lun(struct sbp_target *target)
423 struct crom_context cc;
425 struct sbp_dev *sdev, **newluns;
426 struct sbp_softc *sbp;
430 crom_init_context(&cc, target->fwdev->csrrom);
431 /* XXX shoud parse appropriate unit directories only */
433 while (cc.depth >= 0) {
434 reg = crom_search_key(&cc, CROM_LUN);
437 lun = reg->val & 0xffff;
439 printf("target %d lun %d found\n", target->target_id, lun);
446 device_printf(target->sbp->fd.dev, "%d no LUN found\n",
450 if (maxlun >= SBP_NUM_LUNS)
451 maxlun = SBP_NUM_LUNS;
453 /* Invalidiate stale devices */
454 for (lun = 0; lun < target->num_lun; lun++) {
455 sdev = target->luns[lun];
458 sdev->flags &= ~VALID_LUN;
461 sbp_cam_detach_sdev(sdev);
463 target->luns[lun] = NULL;
468 if (maxlun != target->num_lun) {
469 newluns = (struct sbp_dev **) realloc(target->luns,
470 sizeof(struct sbp_dev *) * maxlun,
471 M_SBP, M_NOWAIT | M_ZERO);
473 if (newluns == NULL) {
474 printf("%s: realloc failed\n", __func__);
475 newluns = target->luns;
476 maxlun = target->num_lun;
480 * We must zero the extended region for the case
481 * realloc() doesn't allocate new buffer.
483 if (maxlun > target->num_lun)
484 bzero(&newluns[target->num_lun],
485 sizeof(struct sbp_dev *) *
486 (maxlun - target->num_lun));
488 target->luns = newluns;
489 target->num_lun = maxlun;
492 crom_init_context(&cc, target->fwdev->csrrom);
493 while (cc.depth >= 0) {
496 reg = crom_search_key(&cc, CROM_LUN);
499 lun = reg->val & 0xffff;
500 if (lun >= SBP_NUM_LUNS) {
501 printf("too large lun %d\n", lun);
505 sdev = target->luns[lun];
507 sdev = malloc(sizeof(struct sbp_dev),
508 M_SBP, M_NOWAIT | M_ZERO);
510 printf("%s: malloc failed\n", __func__);
513 target->luns[lun] = sdev;
515 sdev->target = target;
516 STAILQ_INIT(&sdev->ocbs);
517 callout_init_mtx(&sdev->login_callout, &sbp->mtx, 0);
518 sdev->status = SBP_DEV_RESET;
520 snprintf(sdev->bustgtlun, 32, "%s:%d:%d",
521 device_get_nameunit(sdev->target->sbp->fd.dev),
522 sdev->target->target_id,
525 sdev->flags |= VALID_LUN;
526 sdev->type = (reg->val & 0xff0000) >> 16;
531 fwdma_malloc(sbp->fd.fc,
532 /* alignment */ sizeof(uint32_t),
533 SBP_DMA_SIZE, &sdev->dma, BUS_DMA_NOWAIT |
535 if (sdev->dma.v_addr == NULL) {
536 printf("%s: dma space allocation failed\n",
539 target->luns[lun] = NULL;
542 sdev->login = (struct sbp_login_res *) sdev->dma.v_addr;
543 sdev->ocb = (struct sbp_ocb *)
544 ((char *)sdev->dma.v_addr + SBP_LOGIN_SIZE);
545 bzero((char *)sdev->ocb,
546 sizeof(struct sbp_ocb) * SBP_QUEUE_LEN);
548 STAILQ_INIT(&sdev->free_ocbs);
549 for (i = 0; i < SBP_QUEUE_LEN; i++) {
552 ocb->bus_addr = sdev->dma.bus_addr
554 + sizeof(struct sbp_ocb) * i
555 + offsetof(struct sbp_ocb, orb[0]);
556 if (bus_dmamap_create(sbp->dmat, 0, &ocb->dmamap)) {
557 printf("sbp_attach: cannot create dmamap\n");
561 callout_init_mtx(&ocb->timer, &sbp->mtx, 0);
563 sbp_free_ocb(sdev, ocb);
570 for (lun = 0; lun < target->num_lun; lun++) {
571 sdev = target->luns[lun];
572 if (sdev != NULL && (sdev->flags & VALID_LUN) == 0) {
573 sbp_cam_detach_sdev(sdev);
575 target->luns[lun] = NULL;
580 static struct sbp_target *
581 sbp_alloc_target(struct sbp_softc *sbp, struct fw_device *fwdev)
584 struct sbp_target *target;
585 struct crom_context cc;
589 printf("sbp_alloc_target\n");
591 i = sbp_new_target(sbp, fwdev);
593 device_printf(sbp->fd.dev, "increase SBP_NUM_TARGETS!\n");
597 target = &sbp->targets[i];
598 target->fwdev = fwdev;
599 target->target_id = i;
600 /* XXX we may want to reload mgm port after each bus reset */
601 /* XXX there might be multiple management agents */
602 crom_init_context(&cc, target->fwdev->csrrom);
603 reg = crom_search_key(&cc, CROM_MGM);
604 if (reg == NULL || reg->val == 0) {
605 printf("NULL management address\n");
606 target->fwdev = NULL;
609 target->mgm_hi = 0xffff;
610 target->mgm_lo = 0xf0000000 | (reg->val << 2);
611 target->mgm_ocb_cur = NULL;
613 printf("target:%d mgm_port: %x\n", i, target->mgm_lo);
615 STAILQ_INIT(&target->xferlist);
617 STAILQ_INIT(&target->mgm_ocb_queue);
618 callout_init_mtx(&target->mgm_ocb_timeout, &sbp->mtx, 0);
619 callout_init_mtx(&target->scan_callout, &sbp->mtx, 0);
627 sbp_probe_lun(struct sbp_dev *sdev)
629 struct fw_device *fwdev;
630 struct crom_context c, *cc = &c;
633 bzero(sdev->vendor, sizeof(sdev->vendor));
634 bzero(sdev->product, sizeof(sdev->product));
636 fwdev = sdev->target->fwdev;
637 crom_init_context(cc, fwdev->csrrom);
638 /* get vendor string */
639 crom_search_key(cc, CSRKEY_VENDOR);
641 crom_parse_text(cc, sdev->vendor, sizeof(sdev->vendor));
642 /* skip to the unit directory for SBP-2 */
643 while ((reg = crom_search_key(cc, CSRKEY_VER)) != NULL) {
644 if (reg->val == CSRVAL_T10SBP2)
648 /* get firmware revision */
649 reg = crom_search_key(cc, CSRKEY_FIRM_VER);
651 snprintf(sdev->revision, sizeof(sdev->revision),
653 /* get product string */
654 crom_search_key(cc, CSRKEY_MODEL);
656 crom_parse_text(cc, sdev->product, sizeof(sdev->product));
660 sbp_login_callout(void *arg)
662 struct sbp_dev *sdev = (struct sbp_dev *)arg;
663 SBP_LOCK_ASSERT(sdev->target->sbp);
664 sbp_mgm_orb(sdev, ORB_FUN_LGI, NULL);
668 sbp_login(struct sbp_dev *sdev)
670 struct timeval delta;
675 timevalsub(&delta, &sdev->target->sbp->last_busreset);
676 t.tv_sec = login_delay / 1000;
677 t.tv_usec = (login_delay % 1000) * 1000;
678 timevalsub(&t, &delta);
679 if (t.tv_sec >= 0 && t.tv_usec > 0)
680 ticks = (t.tv_sec * 1000 + t.tv_usec / 1000) * hz / 1000;
682 printf("%s: sec = %jd usec = %ld ticks = %d\n", __func__,
683 (intmax_t)t.tv_sec, t.tv_usec, ticks);
685 callout_reset(&sdev->login_callout, ticks,
686 sbp_login_callout, (void *)(sdev));
689 #define SBP_FWDEV_ALIVE(fwdev) (((fwdev)->status == FWDEVATTACHED) \
690 && crom_has_specver((fwdev)->csrrom, CSRVAL_ANSIT10, CSRVAL_T10SBP2))
693 sbp_probe_target(struct sbp_target *target)
695 struct sbp_softc *sbp = target->sbp;
696 struct sbp_dev *sdev;
699 alive = SBP_FWDEV_ALIVE(target->fwdev);
701 device_printf(sbp->fd.dev, "%s %d%salive\n",
702 __func__, target->target_id,
703 (!alive) ? " not " : "");
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);
722 sbp_abort_all_ocbs(sdev, CAM_SCSI_BUS_RESET);
724 switch (sdev->status) {
726 /* new or revived target */
730 case SBP_DEV_TOATTACH:
732 case SBP_DEV_ATTACHED:
735 sbp_mgm_orb(sdev, ORB_FUN_RCN, NULL);
739 switch (sdev->status) {
740 case SBP_DEV_ATTACHED:
742 /* the device has gone */
743 device_printf(sbp->fd.dev, "%s: lost target\n",
747 xpt_freeze_devq(sdev->path, 1);
750 sdev->status = SBP_DEV_RETRY;
751 sbp_cam_detach_sdev(sdev);
753 target->luns[i] = NULL;
756 case SBP_DEV_TOATTACH:
757 sdev->status = SBP_DEV_RESET;
769 sbp_post_busreset(void *arg)
771 struct sbp_softc *sbp;
773 sbp = (struct sbp_softc *)arg;
775 printf("sbp_post_busreset\n");
778 if ((sbp->flags & SIMQ_FREEZED) == 0) {
779 xpt_freeze_simq(sbp->sim, /*count*/1);
780 sbp->flags |= SIMQ_FREEZED;
782 microtime(&sbp->last_busreset);
787 sbp_post_explore(void *arg)
789 struct sbp_softc *sbp = (struct sbp_softc *)arg;
790 struct sbp_target *target;
791 struct fw_device *fwdev;
795 printf("sbp_post_explore (sbp_cold=%d)\n", sbp_cold);
797 /* We need physical access */
798 if (!firewire_phydma_enable)
806 /* Garbage Collection */
807 for (i = 0; i < SBP_NUM_TARGETS; i++) {
808 target = &sbp->targets[i];
809 if (target->fwdev == NULL)
812 STAILQ_FOREACH(fwdev, &sbp->fd.fc->devices, link)
813 if (target->fwdev == fwdev)
816 /* device has removed in lower driver */
817 sbp_cam_detach_target(target);
818 sbp_free_target(target);
822 /* traverse device list */
823 STAILQ_FOREACH(fwdev, &sbp->fd.fc->devices, link) {
825 device_printf(sbp->fd.dev,"%s:: EUI:%08x%08x %s attached, state=%d\n",
826 __func__, fwdev->eui.hi, fwdev->eui.lo,
827 (fwdev->status != FWDEVATTACHED) ? "not" : "",
830 alive = SBP_FWDEV_ALIVE(fwdev);
831 for (i = 0; i < SBP_NUM_TARGETS; i++) {
832 target = &sbp->targets[i];
833 if (target->fwdev == fwdev) {
838 if (i == SBP_NUM_TARGETS) {
841 target = sbp_alloc_target(sbp, fwdev);
850 * It is safe to drop the lock here as the target is already
851 * reserved, so there should be no contenders for it.
852 * And the target is not yet exposed, so there should not be
853 * any other accesses to it.
854 * Finally, the list being iterated is protected somewhere else.
857 sbp_probe_target(target);
859 if (target->num_lun == 0)
860 sbp_free_target(target);
862 if ((sbp->flags & SIMQ_FREEZED) != 0) {
863 xpt_release_simq(sbp->sim, /*run queue*/TRUE);
864 sbp->flags &= ~SIMQ_FREEZED;
871 sbp_loginres_callback(struct fw_xfer *xfer)
873 struct sbp_dev *sdev;
874 sdev = (struct sbp_dev *)xfer->sc;
876 device_printf(sdev->target->sbp->fd.dev,"%s\n", __func__);
879 SBP_LOCK(sdev->target->sbp);
880 STAILQ_INSERT_TAIL(&sdev->target->sbp->fwb.xferlist, xfer, link);
881 SBP_UNLOCK(sdev->target->sbp);
887 sbp_xfer_free(struct fw_xfer *xfer)
889 struct sbp_dev *sdev;
891 sdev = (struct sbp_dev *)xfer->sc;
892 fw_xfer_unload(xfer);
893 SBP_LOCK_ASSERT(sdev->target->sbp);
894 STAILQ_INSERT_TAIL(&sdev->target->xferlist, xfer, link);
898 sbp_reset_start_callback(struct fw_xfer *xfer)
900 struct sbp_dev *tsdev, *sdev = (struct sbp_dev *)xfer->sc;
901 struct sbp_target *target = sdev->target;
904 if (xfer->resp != 0) {
905 device_printf(sdev->target->sbp->fd.dev,
906 "%s: %s failed: resp=%d\n", __func__, sdev->bustgtlun, xfer->resp);
909 SBP_LOCK(target->sbp);
910 for (i = 0; i < target->num_lun; i++) {
911 tsdev = target->luns[i];
912 if (tsdev != NULL && tsdev->status == SBP_DEV_LOGIN)
915 SBP_UNLOCK(target->sbp);
919 sbp_reset_start(struct sbp_dev *sdev)
921 struct fw_xfer *xfer;
925 device_printf(sdev->target->sbp->fd.dev,
926 "%s:%s\n", __func__,sdev->bustgtlun);
929 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0);
930 xfer->hand = sbp_reset_start_callback;
931 fp = &xfer->send.hdr;
932 fp->mode.wreqq.dest_hi = 0xffff;
933 fp->mode.wreqq.dest_lo = 0xf0000000 | RESET_START;
934 fp->mode.wreqq.data = htonl(0xf);
935 fw_asyreq(xfer->fc, -1, xfer);
939 sbp_mgm_callback(struct fw_xfer *xfer)
941 struct sbp_dev *sdev;
944 sdev = (struct sbp_dev *)xfer->sc;
947 device_printf(sdev->target->sbp->fd.dev,
948 "%s:%s\n", __func__, sdev->bustgtlun);
951 SBP_LOCK(sdev->target->sbp);
953 SBP_UNLOCK(sdev->target->sbp);
956 static struct sbp_dev *
957 sbp_next_dev(struct sbp_target *target, int lun)
959 struct sbp_dev **sdevp;
962 for (i = lun, sdevp = &target->luns[lun]; i < target->num_lun;
964 if (*sdevp != NULL && (*sdevp)->status == SBP_DEV_PROBE)
971 sbp_cam_scan_lun(struct cam_periph *periph, union ccb *ccb)
973 struct sbp_softc *sbp;
974 struct sbp_target *target;
975 struct sbp_dev *sdev;
977 sdev = (struct sbp_dev *) ccb->ccb_h.ccb_sdev_ptr;
978 target = sdev->target;
982 device_printf(sbp->fd.dev,
983 "%s:%s\n", __func__, sdev->bustgtlun);
985 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
986 sdev->status = SBP_DEV_ATTACHED;
988 device_printf(sbp->fd.dev,
989 "%s:%s failed\n", __func__, sdev->bustgtlun);
991 sdev = sbp_next_dev(target, sdev->lun_id + 1);
998 xpt_setup_ccb(&ccb->ccb_h, sdev->path, SCAN_PRI);
999 ccb->ccb_h.ccb_sdev_ptr = sdev;
1000 ccb->ccb_h.flags |= CAM_DEV_QFREEZE;
1004 xpt_release_devq(sdev->path, sdev->freeze, TRUE);
1009 sbp_cam_scan_target(void *arg)
1011 struct sbp_target *target = (struct sbp_target *)arg;
1012 struct sbp_dev *sdev;
1015 SBP_LOCK_ASSERT(target->sbp);
1016 sdev = sbp_next_dev(target, 0);
1018 printf("sbp_cam_scan_target: nothing to do for target%d\n",
1023 device_printf(sdev->target->sbp->fd.dev,
1024 "%s:%s\n", __func__, sdev->bustgtlun);
1026 ccb = malloc(sizeof(union ccb), M_SBP, M_NOWAIT | M_ZERO);
1028 printf("sbp_cam_scan_target: malloc failed\n");
1031 SBP_UNLOCK(target->sbp);
1033 xpt_setup_ccb(&ccb->ccb_h, sdev->path, SCAN_PRI);
1034 ccb->ccb_h.func_code = XPT_SCAN_LUN;
1035 ccb->ccb_h.cbfcnp = sbp_cam_scan_lun;
1036 ccb->ccb_h.flags |= CAM_DEV_QFREEZE;
1037 ccb->crcn.flags = CAM_FLAG_NONE;
1038 ccb->ccb_h.ccb_sdev_ptr = sdev;
1040 /* The scan is in progress now. */
1043 SBP_LOCK(target->sbp);
1044 xpt_release_devq(sdev->path, sdev->freeze, TRUE);
1048 static __inline void
1049 sbp_scan_dev(struct sbp_dev *sdev)
1051 sdev->status = SBP_DEV_PROBE;
1052 callout_reset_sbt(&sdev->target->scan_callout, SBT_1MS * scan_delay, 0,
1053 sbp_cam_scan_target, (void *)sdev->target, 0);
1057 sbp_do_attach(struct fw_xfer *xfer)
1059 struct sbp_dev *sdev;
1060 struct sbp_target *target;
1061 struct sbp_softc *sbp;
1063 sdev = (struct sbp_dev *)xfer->sc;
1064 target = sdev->target;
1068 device_printf(sdev->target->sbp->fd.dev,
1069 "%s:%s\n", __func__, sdev->bustgtlun);
1071 sbp_xfer_free(xfer);
1073 if (sdev->path == NULL)
1074 xpt_create_path(&sdev->path, NULL,
1075 cam_sim_path(target->sbp->sim),
1076 target->target_id, sdev->lun_id);
1079 * Let CAM scan the bus if we are in the boot process.
1080 * XXX xpt_scan_bus cannot detect LUN larger than 0
1081 * if LUN 0 doesn't exist.
1084 sdev->status = SBP_DEV_ATTACHED;
1094 sbp_agent_reset_callback(struct fw_xfer *xfer)
1096 struct sbp_dev *sdev;
1098 sdev = (struct sbp_dev *)xfer->sc;
1100 device_printf(sdev->target->sbp->fd.dev,
1101 "%s:%s\n", __func__, sdev->bustgtlun);
1103 if (xfer->resp != 0) {
1104 device_printf(sdev->target->sbp->fd.dev,
1105 "%s:%s resp=%d\n", __func__, sdev->bustgtlun, xfer->resp);
1108 SBP_LOCK(sdev->target->sbp);
1109 sbp_xfer_free(xfer);
1111 xpt_release_devq(sdev->path, sdev->freeze, TRUE);
1114 SBP_UNLOCK(sdev->target->sbp);
1118 sbp_agent_reset(struct sbp_dev *sdev)
1120 struct fw_xfer *xfer;
1123 SBP_LOCK_ASSERT(sdev->target->sbp);
1125 device_printf(sdev->target->sbp->fd.dev,
1126 "%s:%s\n", __func__, sdev->bustgtlun);
1128 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0x04);
1131 if (sdev->status == SBP_DEV_ATTACHED || sdev->status == SBP_DEV_PROBE)
1132 xfer->hand = sbp_agent_reset_callback;
1134 xfer->hand = sbp_do_attach;
1135 fp = &xfer->send.hdr;
1136 fp->mode.wreqq.data = htonl(0xf);
1137 fw_asyreq(xfer->fc, -1, xfer);
1138 sbp_abort_all_ocbs(sdev, CAM_BDR_SENT);
1142 sbp_busy_timeout_callback(struct fw_xfer *xfer)
1144 struct sbp_dev *sdev;
1146 sdev = (struct sbp_dev *)xfer->sc;
1148 device_printf(sdev->target->sbp->fd.dev,
1149 "%s:%s\n", __func__, sdev->bustgtlun);
1151 SBP_LOCK(sdev->target->sbp);
1152 sbp_xfer_free(xfer);
1153 sbp_agent_reset(sdev);
1154 SBP_UNLOCK(sdev->target->sbp);
1158 sbp_busy_timeout(struct sbp_dev *sdev)
1161 struct fw_xfer *xfer;
1163 device_printf(sdev->target->sbp->fd.dev,
1164 "%s:%s\n", __func__, sdev->bustgtlun);
1166 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0);
1168 xfer->hand = sbp_busy_timeout_callback;
1169 fp = &xfer->send.hdr;
1170 fp->mode.wreqq.dest_hi = 0xffff;
1171 fp->mode.wreqq.dest_lo = 0xf0000000 | BUSY_TIMEOUT;
1172 fp->mode.wreqq.data = htonl((1 << (13 + 12)) | 0xf);
1173 fw_asyreq(xfer->fc, -1, xfer);
1177 sbp_orb_pointer_callback(struct fw_xfer *xfer)
1179 struct sbp_dev *sdev;
1180 sdev = (struct sbp_dev *)xfer->sc;
1183 device_printf(sdev->target->sbp->fd.dev,
1184 "%s:%s\n", __func__, sdev->bustgtlun);
1186 if (xfer->resp != 0) {
1188 printf("%s: xfer->resp = %d\n", __func__, xfer->resp);
1190 SBP_LOCK(sdev->target->sbp);
1191 sbp_xfer_free(xfer);
1193 sdev->flags &= ~ORB_POINTER_ACTIVE;
1195 if ((sdev->flags & ORB_POINTER_NEED) != 0) {
1196 struct sbp_ocb *ocb;
1198 sdev->flags &= ~ORB_POINTER_NEED;
1199 ocb = STAILQ_FIRST(&sdev->ocbs);
1201 sbp_orb_pointer(sdev, ocb);
1203 SBP_UNLOCK(sdev->target->sbp);
1208 sbp_orb_pointer(struct sbp_dev *sdev, struct sbp_ocb *ocb)
1210 struct fw_xfer *xfer;
1213 device_printf(sdev->target->sbp->fd.dev,
1215 __func__, sdev->bustgtlun,
1216 (uint32_t)ocb->bus_addr);
1219 SBP_LOCK_ASSERT(sdev->target->sbp);
1221 if ((sdev->flags & ORB_POINTER_ACTIVE) != 0) {
1223 printf("%s: orb pointer active\n", __func__);
1225 sdev->flags |= ORB_POINTER_NEED;
1229 sdev->flags |= ORB_POINTER_ACTIVE;
1230 xfer = sbp_write_cmd(sdev, FWTCODE_WREQB, 0x08);
1233 xfer->hand = sbp_orb_pointer_callback;
1235 fp = &xfer->send.hdr;
1236 fp->mode.wreqb.len = 8;
1237 fp->mode.wreqb.extcode = 0;
1238 xfer->send.payload[0] =
1239 htonl(((sdev->target->sbp->fd.fc->nodeid | FWLOCALBUS) << 16));
1240 xfer->send.payload[1] = htonl((uint32_t)ocb->bus_addr);
1242 if (fw_asyreq(xfer->fc, -1, xfer) != 0) {
1243 sbp_xfer_free(xfer);
1244 ocb->ccb->ccb_h.status = CAM_REQ_INVALID;
1250 sbp_doorbell_callback(struct fw_xfer *xfer)
1252 struct sbp_dev *sdev;
1253 sdev = (struct sbp_dev *)xfer->sc;
1256 device_printf(sdev->target->sbp->fd.dev,
1257 "%s:%s\n", __func__, sdev->bustgtlun);
1259 if (xfer->resp != 0) {
1261 device_printf(sdev->target->sbp->fd.dev,
1262 "%s: xfer->resp = %d\n", __func__, xfer->resp);
1264 SBP_LOCK(sdev->target->sbp);
1265 sbp_xfer_free(xfer);
1266 sdev->flags &= ~ORB_DOORBELL_ACTIVE;
1267 if ((sdev->flags & ORB_DOORBELL_NEED) != 0) {
1268 sdev->flags &= ~ORB_DOORBELL_NEED;
1271 SBP_UNLOCK(sdev->target->sbp);
1275 sbp_doorbell(struct sbp_dev *sdev)
1277 struct fw_xfer *xfer;
1280 device_printf(sdev->target->sbp->fd.dev,
1281 "%s:%s\n", __func__, sdev->bustgtlun);
1284 if ((sdev->flags & ORB_DOORBELL_ACTIVE) != 0) {
1285 sdev->flags |= ORB_DOORBELL_NEED;
1288 sdev->flags |= ORB_DOORBELL_ACTIVE;
1289 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0x10);
1292 xfer->hand = sbp_doorbell_callback;
1293 fp = &xfer->send.hdr;
1294 fp->mode.wreqq.data = htonl(0xf);
1295 fw_asyreq(xfer->fc, -1, xfer);
1298 static struct fw_xfer *
1299 sbp_write_cmd(struct sbp_dev *sdev, int tcode, int offset)
1301 struct fw_xfer *xfer;
1303 struct sbp_target *target;
1306 SBP_LOCK_ASSERT(sdev->target->sbp);
1308 target = sdev->target;
1309 xfer = STAILQ_FIRST(&target->xferlist);
1311 if (target->n_xfer > 5 /* XXX */) {
1312 printf("sbp: no more xfer for this target\n");
1315 xfer = fw_xfer_alloc_buf(M_SBP, 8, 0);
1317 printf("sbp: fw_xfer_alloc_buf failed\n");
1322 printf("sbp: alloc %d xfer\n", target->n_xfer);
1325 STAILQ_REMOVE_HEAD(&target->xferlist, link);
1329 xfer->recv.pay_len = 0;
1330 xfer->send.spd = min(sdev->target->fwdev->speed, max_speed);
1331 xfer->fc = sdev->target->sbp->fd.fc;
1334 if (tcode == FWTCODE_WREQB)
1335 xfer->send.pay_len = 8;
1337 xfer->send.pay_len = 0;
1339 xfer->sc = (caddr_t)sdev;
1340 fp = &xfer->send.hdr;
1341 fp->mode.wreqq.dest_hi = sdev->login->cmd_hi;
1342 fp->mode.wreqq.dest_lo = sdev->login->cmd_lo + offset;
1343 fp->mode.wreqq.tlrt = 0;
1344 fp->mode.wreqq.tcode = tcode;
1345 fp->mode.wreqq.pri = 0;
1346 fp->mode.wreqq.dst = FWLOCALBUS | sdev->target->fwdev->dst;
1352 sbp_mgm_orb(struct sbp_dev *sdev, int func, struct sbp_ocb *aocb)
1354 struct fw_xfer *xfer;
1356 struct sbp_ocb *ocb;
1357 struct sbp_target *target;
1360 target = sdev->target;
1361 nid = target->sbp->fd.fc->nodeid | FWLOCALBUS;
1363 SBP_LOCK_ASSERT(target->sbp);
1364 if (func == ORB_FUN_RUNQUEUE) {
1365 ocb = STAILQ_FIRST(&target->mgm_ocb_queue);
1366 if (target->mgm_ocb_cur != NULL || ocb == NULL) {
1369 STAILQ_REMOVE_HEAD(&target->mgm_ocb_queue, ocb);
1372 if ((ocb = sbp_get_ocb(sdev)) == NULL) {
1376 ocb->flags = OCB_ACT_MGM;
1379 bzero((void *)ocb->orb, sizeof(ocb->orb));
1380 ocb->orb[6] = htonl((nid << 16) | SBP_BIND_HI);
1381 ocb->orb[7] = htonl(SBP_DEV2ADDR(target->target_id, sdev->lun_id));
1384 device_printf(sdev->target->sbp->fd.dev,
1386 __func__,sdev->bustgtlun,
1387 orb_fun_name[(func >> 16) & 0xf]);
1391 ocb->orb[0] = ocb->orb[1] = 0; /* password */
1392 ocb->orb[2] = htonl(nid << 16);
1393 ocb->orb[3] = htonl(sdev->dma.bus_addr);
1394 ocb->orb[4] = htonl(ORB_NOTIFY | sdev->lun_id);
1396 ocb->orb[4] |= htonl(ORB_EXV);
1397 ocb->orb[5] = htonl(SBP_LOGIN_SIZE);
1398 fwdma_sync(&sdev->dma, BUS_DMASYNC_PREREAD);
1401 ocb->orb[0] = htonl((0 << 16) | 0);
1402 ocb->orb[1] = htonl(aocb->bus_addr & 0xffffffff);
1409 ocb->orb[4] = htonl(ORB_NOTIFY | func | sdev->login->id);
1413 if (target->mgm_ocb_cur != NULL) {
1414 /* there is a standing ORB */
1415 STAILQ_INSERT_TAIL(&sdev->target->mgm_ocb_queue, ocb, ocb);
1419 target->mgm_ocb_cur = ocb;
1421 callout_reset(&target->mgm_ocb_timeout, 5 * hz,
1422 sbp_mgm_timeout, (caddr_t)ocb);
1423 xfer = sbp_write_cmd(sdev, FWTCODE_WREQB, 0);
1427 xfer->hand = sbp_mgm_callback;
1429 fp = &xfer->send.hdr;
1430 fp->mode.wreqb.dest_hi = sdev->target->mgm_hi;
1431 fp->mode.wreqb.dest_lo = sdev->target->mgm_lo;
1432 fp->mode.wreqb.len = 8;
1433 fp->mode.wreqb.extcode = 0;
1434 xfer->send.payload[0] = htonl(nid << 16);
1435 xfer->send.payload[1] = htonl(ocb->bus_addr & 0xffffffff);
1437 fw_asyreq(xfer->fc, -1, xfer);
1441 sbp_print_scsi_cmd(struct sbp_ocb *ocb)
1443 struct ccb_scsiio *csio;
1445 csio = &ocb->ccb->csio;
1446 printf("%s:%d:%jx XPT_SCSI_IO: "
1447 "cmd: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x"
1449 "%db cmd/%db data/%db sense\n",
1450 device_get_nameunit(ocb->sdev->target->sbp->fd.dev),
1451 ocb->ccb->ccb_h.target_id,
1452 (uintmax_t)ocb->ccb->ccb_h.target_lun,
1453 csio->cdb_io.cdb_bytes[0],
1454 csio->cdb_io.cdb_bytes[1],
1455 csio->cdb_io.cdb_bytes[2],
1456 csio->cdb_io.cdb_bytes[3],
1457 csio->cdb_io.cdb_bytes[4],
1458 csio->cdb_io.cdb_bytes[5],
1459 csio->cdb_io.cdb_bytes[6],
1460 csio->cdb_io.cdb_bytes[7],
1461 csio->cdb_io.cdb_bytes[8],
1462 csio->cdb_io.cdb_bytes[9],
1463 ocb->ccb->ccb_h.flags & CAM_DIR_MASK,
1464 csio->cdb_len, csio->dxfer_len,
1469 sbp_scsi_status(struct sbp_status *sbp_status, struct sbp_ocb *ocb)
1471 struct sbp_cmd_status *sbp_cmd_status;
1472 struct scsi_sense_data_fixed *sense;
1474 sbp_cmd_status = (struct sbp_cmd_status *)sbp_status->data;
1475 sense = (struct scsi_sense_data_fixed *)&ocb->ccb->csio.sense_data;
1478 sbp_print_scsi_cmd(ocb);
1479 /* XXX need decode status */
1480 printf("%s: SCSI status %x sfmt %x valid %x key %x code %x qlfr %x len %d\n",
1481 ocb->sdev->bustgtlun,
1482 sbp_cmd_status->status,
1483 sbp_cmd_status->sfmt,
1484 sbp_cmd_status->valid,
1485 sbp_cmd_status->s_key,
1486 sbp_cmd_status->s_code,
1487 sbp_cmd_status->s_qlfr,
1491 switch (sbp_cmd_status->status) {
1492 case SCSI_STATUS_CHECK_COND:
1493 case SCSI_STATUS_BUSY:
1494 case SCSI_STATUS_CMD_TERMINATED:
1495 if (sbp_cmd_status->sfmt == SBP_SFMT_CURR) {
1496 sense->error_code = SSD_CURRENT_ERROR;
1498 sense->error_code = SSD_DEFERRED_ERROR;
1500 if (sbp_cmd_status->valid)
1501 sense->error_code |= SSD_ERRCODE_VALID;
1502 sense->flags = sbp_cmd_status->s_key;
1503 if (sbp_cmd_status->mark)
1504 sense->flags |= SSD_FILEMARK;
1505 if (sbp_cmd_status->eom)
1506 sense->flags |= SSD_EOM;
1507 if (sbp_cmd_status->ill_len)
1508 sense->flags |= SSD_ILI;
1510 bcopy(&sbp_cmd_status->info, &sense->info[0], 4);
1512 if (sbp_status->len <= 1)
1513 /* XXX not scsi status. shouldn't be happened */
1514 sense->extra_len = 0;
1515 else if (sbp_status->len <= 4)
1516 /* add_sense_code(_qual), info, cmd_spec_info */
1517 sense->extra_len = 6;
1519 /* fru, sense_key_spec */
1520 sense->extra_len = 10;
1522 bcopy(&sbp_cmd_status->cdb, &sense->cmd_spec_info[0], 4);
1524 sense->add_sense_code = sbp_cmd_status->s_code;
1525 sense->add_sense_code_qual = sbp_cmd_status->s_qlfr;
1526 sense->fru = sbp_cmd_status->fru;
1528 bcopy(&sbp_cmd_status->s_keydep[0],
1529 &sense->sense_key_spec[0], 3);
1531 ocb->ccb->csio.scsi_status = sbp_cmd_status->status;
1532 ocb->ccb->ccb_h.status = CAM_SCSI_STATUS_ERROR
1533 | CAM_AUTOSNS_VALID;
1538 for (j = 0; j < 32; j += 8) {
1539 printf("sense %02x%02x %02x%02x %02x%02x %02x%02x\n",
1540 tmp[j], tmp[j + 1], tmp[j + 2], tmp[j + 3],
1541 tmp[j + 4], tmp[j + 5], tmp[j + 6], tmp[j + 7]);
1548 device_printf(ocb->sdev->target->sbp->fd.dev,
1549 "%s:%s unknown scsi status 0x%x\n",
1550 __func__, ocb->sdev->bustgtlun,
1551 sbp_cmd_status->status);
1556 sbp_fix_inq_data(struct sbp_ocb *ocb)
1559 struct sbp_dev *sdev;
1560 struct scsi_inquiry_data *inq;
1565 if (ccb->csio.cdb_io.cdb_bytes[1] & SI_EVPD)
1568 device_printf(sdev->target->sbp->fd.dev,
1569 "%s:%s\n", __func__, sdev->bustgtlun);
1571 inq = (struct scsi_inquiry_data *) ccb->csio.data_ptr;
1572 switch (SID_TYPE(inq)) {
1576 * XXX Convert Direct Access device to RBC.
1577 * I've never seen FireWire DA devices which support READ_6.
1579 if (SID_TYPE(inq) == T_DIRECT)
1580 inq->device |= T_RBC; /* T_DIRECT == 0 */
1585 * Override vendor/product/revision information.
1586 * Some devices sometimes return strange strings.
1589 bcopy(sdev->vendor, inq->vendor, sizeof(inq->vendor));
1590 bcopy(sdev->product, inq->product, sizeof(inq->product));
1591 bcopy(sdev->revision + 2, inq->revision, sizeof(inq->revision));
1596 * Force to enable/disable tagged queuing.
1597 * XXX CAM also checks SCP_QUEUE_DQUE flag in the control mode page.
1600 inq->flags |= SID_CmdQue;
1601 else if (sbp_tags < 0)
1602 inq->flags &= ~SID_CmdQue;
1607 sbp_recv1(struct fw_xfer *xfer)
1613 struct sbp_softc *sbp;
1614 struct sbp_dev *sdev;
1615 struct sbp_ocb *ocb;
1616 struct sbp_login_res *login_res = NULL;
1617 struct sbp_status *sbp_status;
1618 struct sbp_target *target;
1619 int orb_fun, status_valid0, status_valid, t, l, reset_agent = 0;
1623 ld = xfer->recv.buf;
1624 printf("sbp %x %d %d %08x %08x %08x %08x\n",
1625 xfer->resp, xfer->recv.len, xfer->recv.off, ntohl(ld[0]), ntohl(ld[1]), ntohl(ld[2]), ntohl(ld[3]));
1626 printf("sbp %08x %08x %08x %08x\n", ntohl(ld[4]), ntohl(ld[5]), ntohl(ld[6]), ntohl(ld[7]));
1627 printf("sbp %08x %08x %08x %08x\n", ntohl(ld[8]), ntohl(ld[9]), ntohl(ld[10]), ntohl(ld[11]));
1629 sbp = (struct sbp_softc *)xfer->sc;
1630 SBP_LOCK_ASSERT(sbp);
1631 if (xfer->resp != 0) {
1632 printf("sbp_recv: xfer->resp = %d\n", xfer->resp);
1635 if (xfer->recv.payload == NULL) {
1636 printf("sbp_recv: xfer->recv.payload == NULL\n");
1639 rfp = &xfer->recv.hdr;
1640 if (rfp->mode.wreqb.tcode != FWTCODE_WREQB) {
1641 printf("sbp_recv: tcode = %d\n", rfp->mode.wreqb.tcode);
1644 sbp_status = (struct sbp_status *)xfer->recv.payload;
1645 addr = rfp->mode.wreqb.dest_lo;
1647 printf("received address 0x%x\n", addr);
1649 t = SBP_ADDR2TRG(addr);
1650 if (t >= SBP_NUM_TARGETS) {
1651 device_printf(sbp->fd.dev,
1652 "sbp_recv1: invalid target %d\n", t);
1655 target = &sbp->targets[t];
1656 l = SBP_ADDR2LUN(addr);
1657 if (l >= target->num_lun || target->luns[l] == NULL) {
1658 device_printf(sbp->fd.dev,
1659 "sbp_recv1: invalid lun %d (target=%d)\n", l, t);
1662 sdev = target->luns[l];
1665 switch (sbp_status->src) {
1668 /* check mgm_ocb_cur first */
1669 ocb = target->mgm_ocb_cur;
1671 if (OCB_MATCH(ocb, sbp_status)) {
1672 callout_stop(&target->mgm_ocb_timeout);
1673 target->mgm_ocb_cur = NULL;
1677 ocb = sbp_dequeue_ocb(sdev, sbp_status);
1679 device_printf(sdev->target->sbp->fd.dev,
1680 "%s:%s No ocb(%x) on the queue\n",
1681 __func__,sdev->bustgtlun,
1682 ntohl(sbp_status->orb_lo));
1687 device_printf(sdev->target->sbp->fd.dev,
1688 "%s:%s unsolicit status received\n",
1689 __func__, sdev->bustgtlun);
1692 device_printf(sdev->target->sbp->fd.dev,
1693 "%s:%s unknown sbp_status->src\n",
1694 __func__, sdev->bustgtlun);
1697 status_valid0 = (sbp_status->src < 2
1698 && sbp_status->resp == ORB_RES_CMPL
1699 && sbp_status->dead == 0);
1700 status_valid = (status_valid0 && sbp_status->status == 0);
1702 if (!status_valid0 || debug > 2) {
1705 device_printf(sdev->target->sbp->fd.dev,
1706 "%s:%s ORB status src:%x resp:%x dead:%x"
1707 " len:%x stat:%x orb:%x%08x\n",
1708 __func__, sdev->bustgtlun,
1709 sbp_status->src, sbp_status->resp, sbp_status->dead,
1710 sbp_status->len, sbp_status->status,
1711 ntohs(sbp_status->orb_hi), ntohl(sbp_status->orb_lo));
1713 device_printf(sdev->target->sbp->fd.dev,
1714 "%s\n", sdev->bustgtlun);
1715 status = sbp_status->status;
1716 switch (sbp_status->resp) {
1718 if (status > MAX_ORB_STATUS0)
1719 printf("%s\n", orb_status0[MAX_ORB_STATUS0]);
1721 printf("%s\n", orb_status0[status]);
1724 printf("Obj: %s, Error: %s\n",
1725 orb_status1_object[(status >> 6) & 3],
1726 orb_status1_serial_bus_error[status & 0xf]);
1729 printf("Illegal request\n");
1732 printf("Vendor dependent\n");
1735 printf("unknown respose code %d\n", sbp_status->resp);
1739 /* we have to reset the fetch agent if it's dead */
1740 if (sbp_status->dead) {
1742 xpt_freeze_devq(sdev->path, 1);
1751 switch (ntohl(ocb->orb[4]) & ORB_FMT_MSK) {
1757 switch (ocb->flags) {
1759 orb_fun = ntohl(ocb->orb[4]) & ORB_FUN_MSK;
1763 fwdma_sync(&sdev->dma, BUS_DMASYNC_POSTREAD);
1764 login_res = sdev->login;
1765 login_res->len = ntohs(login_res->len);
1766 login_res->id = ntohs(login_res->id);
1767 login_res->cmd_hi = ntohs(login_res->cmd_hi);
1768 login_res->cmd_lo = ntohl(login_res->cmd_lo);
1771 device_printf(sdev->target->sbp->fd.dev,
1772 "%s:%s login: len %d, ID %d, cmd %08x%08x, recon_hold %d\n",
1773 __func__, sdev->bustgtlun,
1774 login_res->len, login_res->id,
1775 login_res->cmd_hi, login_res->cmd_lo,
1776 ntohs(login_res->recon_hold));
1778 sbp_busy_timeout(sdev);
1780 /* forgot logout? */
1781 device_printf(sdev->target->sbp->fd.dev,
1782 "%s:%s login failed\n",
1783 __func__, sdev->bustgtlun);
1784 sdev->status = SBP_DEV_RESET;
1788 login_res = sdev->login;
1791 device_printf(sdev->target->sbp->fd.dev,
1792 "%s:%s reconnect: len %d, ID %d, cmd %08x%08x\n",
1793 __func__, sdev->bustgtlun,
1794 login_res->len, login_res->id,
1795 login_res->cmd_hi, login_res->cmd_lo);
1797 if (sdev->status == SBP_DEV_ATTACHED)
1800 sbp_agent_reset(sdev);
1802 /* reconnection hold time exceed? */
1804 device_printf(sdev->target->sbp->fd.dev,
1805 "%s:%s reconnect failed\n",
1806 __func__, sdev->bustgtlun);
1812 sdev->status = SBP_DEV_RESET;
1815 sbp_busy_timeout(sdev);
1820 sbp_agent_reset(sdev);
1823 device_printf(sdev->target->sbp->fd.dev,
1824 "%s:%s unknown function %d\n",
1825 __func__, sdev->bustgtlun, orb_fun);
1828 sbp_mgm_orb(sdev, ORB_FUN_RUNQUEUE, NULL);
1832 if (ocb->ccb != NULL) {
1836 if (sbp_status->len > 1) {
1837 sbp_scsi_status(sbp_status, ocb);
1839 if (sbp_status->resp != ORB_RES_CMPL) {
1840 ccb->ccb_h.status = CAM_REQ_CMP_ERR;
1842 ccb->ccb_h.status = CAM_REQ_CMP;
1845 /* fix up inq data */
1846 if (ccb->csio.cdb_io.cdb_bytes[0] == INQUIRY)
1847 sbp_fix_inq_data(ocb);
1857 sbp_free_ocb(sdev, ocb);
1860 sbp_agent_reset(sdev);
1863 xfer->recv.pay_len = SBP_RECV_LEN;
1864 /* The received packet is usually small enough to be stored within
1865 * the buffer. In that case, the controller return ack_complete and
1866 * no respose is necessary.
1868 * XXX fwohci.c and firewire.c should inform event_code such as
1869 * ack_complete or ack_pending to upper driver.
1873 sfp = (struct fw_pkt *)xfer->send.buf;
1874 sfp->mode.wres.dst = rfp->mode.wreqb.src;
1875 xfer->dst = sfp->mode.wres.dst;
1876 xfer->spd = min(sdev->target->fwdev->speed, max_speed);
1877 xfer->hand = sbp_loginres_callback;
1879 sfp->mode.wres.tlrt = rfp->mode.wreqb.tlrt;
1880 sfp->mode.wres.tcode = FWTCODE_WRES;
1881 sfp->mode.wres.rtcode = 0;
1882 sfp->mode.wres.pri = 0;
1884 fw_asyreq(xfer->fc, -1, xfer);
1887 STAILQ_INSERT_TAIL(&sbp->fwb.xferlist, xfer, link);
1892 sbp_recv(struct fw_xfer *xfer)
1894 struct sbp_softc *sbp;
1896 sbp = (struct sbp_softc *)xfer->sc;
1905 sbp_attach(device_t dev)
1907 struct sbp_softc *sbp;
1908 struct cam_devq *devq;
1909 struct firewire_comm *fc;
1912 if (DFLTPHYS > SBP_MAXPHYS)
1913 device_printf(dev, "Warning, DFLTPHYS(%dKB) is larger than "
1914 "SBP_MAXPHYS(%dKB).\n", DFLTPHYS / 1024,
1915 SBP_MAXPHYS / 1024);
1917 if (!firewire_phydma_enable)
1918 device_printf(dev, "Warning, hw.firewire.phydma_enable must be 1 "
1919 "for SBP over FireWire.\n");
1921 printf("sbp_attach (cold=%d)\n", cold);
1926 sbp = device_get_softc(dev);
1928 sbp->fd.fc = fc = device_get_ivars(dev);
1929 mtx_init(&sbp->mtx, "sbp", NULL, MTX_DEF);
1932 max_speed = fc->speed;
1934 error = bus_dma_tag_create(/*parent*/fc->dmat,
1935 /* XXX shoud be 4 for sane backend? */
1938 /*lowaddr*/BUS_SPACE_MAXADDR_32BIT,
1939 /*highaddr*/BUS_SPACE_MAXADDR,
1940 /*filter*/NULL, /*filterarg*/NULL,
1941 /*maxsize*/0x100000, /*nsegments*/SBP_IND_MAX,
1942 /*maxsegsz*/SBP_SEG_MAX,
1943 /*flags*/BUS_DMA_ALLOCNOW,
1944 /*lockfunc*/busdma_lock_mutex,
1945 /*lockarg*/&sbp->mtx,
1948 printf("sbp_attach: Could not allocate DMA tag "
1949 "- error %d\n", error);
1953 devq = cam_simq_alloc(/*maxopenings*/SBP_NUM_OCB);
1957 for (i = 0; i < SBP_NUM_TARGETS; i++) {
1958 sbp->targets[i].fwdev = NULL;
1959 sbp->targets[i].luns = NULL;
1960 sbp->targets[i].sbp = sbp;
1963 sbp->sim = cam_sim_alloc(sbp_action, sbp_poll, "sbp", sbp,
1964 device_get_unit(dev),
1967 /*tagged*/ SBP_QUEUE_LEN - 1,
1970 if (sbp->sim == NULL) {
1971 cam_simq_free(devq);
1976 if (xpt_bus_register(sbp->sim, dev, /*bus*/0) != CAM_SUCCESS)
1979 if (xpt_create_path(&sbp->path, NULL, cam_sim_path(sbp->sim),
1980 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
1981 xpt_bus_deregister(cam_sim_path(sbp->sim));
1986 /* We reserve 16 bit space (4 bytes X 64 targets X 256 luns) */
1987 sbp->fwb.start = ((u_int64_t)SBP_BIND_HI << 32) | SBP_DEV2ADDR(0, 0);
1988 sbp->fwb.end = sbp->fwb.start + 0xffff;
1989 /* pre-allocate xfer */
1990 STAILQ_INIT(&sbp->fwb.xferlist);
1991 fw_xferlist_add(&sbp->fwb.xferlist, M_SBP,
1992 /*send*/ 0, /*recv*/ SBP_RECV_LEN, SBP_NUM_OCB/2,
1993 fc, (void *)sbp, sbp_recv);
1995 fw_bindadd(fc, &sbp->fwb);
1997 sbp->fd.post_busreset = sbp_post_busreset;
1998 sbp->fd.post_explore = sbp_post_explore;
2000 if (fc->status != -1) {
2001 sbp_post_busreset(sbp);
2002 sbp_post_explore(sbp);
2005 xpt_async(AC_BUS_RESET, sbp->path, /*arg*/ NULL);
2011 cam_sim_free(sbp->sim, /*free_devq*/TRUE);
2016 sbp_logout_all(struct sbp_softc *sbp)
2018 struct sbp_target *target;
2019 struct sbp_dev *sdev;
2023 printf("sbp_logout_all\n");
2025 SBP_LOCK_ASSERT(sbp);
2026 for (i = 0; i < SBP_NUM_TARGETS; i++) {
2027 target = &sbp->targets[i];
2028 if (target->luns == NULL)
2030 for (j = 0; j < target->num_lun; j++) {
2031 sdev = target->luns[j];
2034 callout_stop(&sdev->login_callout);
2035 if (sdev->status >= SBP_DEV_TOATTACH &&
2036 sdev->status <= SBP_DEV_ATTACHED)
2037 sbp_mgm_orb(sdev, ORB_FUN_LGO, NULL);
2045 sbp_shutdown(device_t dev)
2047 struct sbp_softc *sbp = ((struct sbp_softc *)device_get_softc(dev));
2050 sbp_logout_all(sbp);
2056 sbp_free_sdev(struct sbp_dev *sdev)
2058 struct sbp_softc *sbp;
2063 sbp = sdev->target->sbp;
2065 callout_drain(&sdev->login_callout);
2066 for (i = 0; i < SBP_QUEUE_LEN; i++) {
2067 callout_drain(&sdev->ocb[i].timer);
2068 bus_dmamap_destroy(sbp->dmat, sdev->ocb[i].dmamap);
2070 fwdma_free(sbp->fd.fc, &sdev->dma);
2076 sbp_free_target(struct sbp_target *target)
2078 struct sbp_softc *sbp;
2079 struct fw_xfer *xfer, *next;
2082 if (target->luns == NULL)
2085 SBP_LOCK_ASSERT(sbp);
2087 callout_drain(&target->mgm_ocb_timeout);
2088 callout_drain(&target->scan_callout);
2090 for (i = 0; i < target->num_lun; i++)
2091 sbp_free_sdev(target->luns[i]);
2093 STAILQ_FOREACH_SAFE(xfer, &target->xferlist, link, next) {
2094 fw_xfer_free_buf(xfer);
2096 STAILQ_INIT(&target->xferlist);
2097 free(target->luns, M_SBP);
2098 target->num_lun = 0;
2099 target->luns = NULL;
2100 target->fwdev = NULL;
2104 sbp_detach(device_t dev)
2106 struct sbp_softc *sbp = ((struct sbp_softc *)device_get_softc(dev));
2107 struct firewire_comm *fc = sbp->fd.fc;
2111 printf("sbp_detach\n");
2115 for (i = 0; i < SBP_NUM_TARGETS; i++)
2116 sbp_cam_detach_target(&sbp->targets[i]);
2118 xpt_async(AC_LOST_DEVICE, sbp->path, NULL);
2119 xpt_free_path(sbp->path);
2120 xpt_bus_deregister(cam_sim_path(sbp->sim));
2121 cam_sim_free(sbp->sim, /*free_devq*/ TRUE);
2123 sbp_logout_all(sbp);
2126 /* XXX wait for logout completion */
2127 pause("sbpdtc", hz/2);
2130 for (i = 0; i < SBP_NUM_TARGETS; i++)
2131 sbp_free_target(&sbp->targets[i]);
2134 fw_bindremove(fc, &sbp->fwb);
2135 fw_xferlist_remove(&sbp->fwb.xferlist);
2137 bus_dma_tag_destroy(sbp->dmat);
2138 mtx_destroy(&sbp->mtx);
2144 sbp_cam_detach_sdev(struct sbp_dev *sdev)
2148 if (sdev->status == SBP_DEV_DEAD)
2150 if (sdev->status == SBP_DEV_RESET)
2152 SBP_LOCK_ASSERT(sdev->target->sbp);
2153 sbp_abort_all_ocbs(sdev, CAM_DEV_NOT_THERE);
2155 xpt_release_devq(sdev->path,
2156 sdev->freeze, TRUE);
2158 xpt_async(AC_LOST_DEVICE, sdev->path, NULL);
2159 xpt_free_path(sdev->path);
2165 sbp_cam_detach_target(struct sbp_target *target)
2169 SBP_LOCK_ASSERT(target->sbp);
2170 if (target->luns != NULL) {
2172 printf("sbp_detach_target %d\n", target->target_id);
2174 callout_stop(&target->scan_callout);
2175 for (i = 0; i < target->num_lun; i++)
2176 sbp_cam_detach_sdev(target->luns[i]);
2181 sbp_target_reset(struct sbp_dev *sdev, int method)
2184 struct sbp_target *target = sdev->target;
2185 struct sbp_dev *tsdev;
2187 SBP_LOCK_ASSERT(target->sbp);
2188 for (i = 0; i < target->num_lun; i++) {
2189 tsdev = target->luns[i];
2192 if (tsdev->status == SBP_DEV_DEAD)
2194 if (tsdev->status == SBP_DEV_RESET)
2196 xpt_freeze_devq(tsdev->path, 1);
2198 sbp_abort_all_ocbs(tsdev, CAM_CMD_TIMEOUT);
2200 tsdev->status = SBP_DEV_LOGIN;
2204 printf("target reset\n");
2205 sbp_mgm_orb(sdev, ORB_FUN_RST, NULL);
2208 printf("reset start\n");
2209 sbp_reset_start(sdev);
2216 sbp_mgm_timeout(void *arg)
2218 struct sbp_ocb *ocb = (struct sbp_ocb *)arg;
2219 struct sbp_dev *sdev = ocb->sdev;
2220 struct sbp_target *target = sdev->target;
2222 SBP_LOCK_ASSERT(target->sbp);
2223 device_printf(sdev->target->sbp->fd.dev,
2224 "%s:%s request timeout(mgm orb:0x%08x)\n",
2225 __func__, sdev->bustgtlun, (uint32_t)ocb->bus_addr);
2226 target->mgm_ocb_cur = NULL;
2227 sbp_free_ocb(sdev, ocb);
2230 printf("run next request\n");
2231 sbp_mgm_orb(sdev, ORB_FUN_RUNQUEUE, NULL);
2233 device_printf(sdev->target->sbp->fd.dev,
2234 "%s:%s reset start\n",
2235 __func__, sdev->bustgtlun);
2236 sbp_reset_start(sdev);
2240 sbp_timeout(void *arg)
2242 struct sbp_ocb *ocb = (struct sbp_ocb *)arg;
2243 struct sbp_dev *sdev = ocb->sdev;
2245 device_printf(sdev->target->sbp->fd.dev,
2246 "%s:%s request timeout(cmd orb:0x%08x) ... ",
2247 __func__, sdev->bustgtlun, (uint32_t)ocb->bus_addr);
2249 SBP_LOCK_ASSERT(sdev->target->sbp);
2251 switch (sdev->timeout) {
2253 printf("agent reset\n");
2254 xpt_freeze_devq(sdev->path, 1);
2256 sbp_abort_all_ocbs(sdev, CAM_CMD_TIMEOUT);
2257 sbp_agent_reset(sdev);
2261 sbp_target_reset(sdev, sdev->timeout - 1);
2266 sbp_cam_detach_target(target);
2267 if (target->luns != NULL)
2268 free(target->luns, M_SBP);
2269 target->num_lun = 0;
2270 target->luns = NULL;
2271 target->fwdev = NULL;
2277 sbp_action(struct cam_sim *sim, union ccb *ccb)
2280 struct sbp_softc *sbp = (struct sbp_softc *)sim->softc;
2281 struct sbp_target *target = NULL;
2282 struct sbp_dev *sdev = NULL;
2285 SBP_LOCK_ASSERT(sbp);
2286 /* target:lun -> sdev mapping */
2288 && ccb->ccb_h.target_id != CAM_TARGET_WILDCARD
2289 && ccb->ccb_h.target_id < SBP_NUM_TARGETS) {
2290 target = &sbp->targets[ccb->ccb_h.target_id];
2291 if (target->fwdev != NULL
2292 && ccb->ccb_h.target_lun != CAM_LUN_WILDCARD
2293 && ccb->ccb_h.target_lun < target->num_lun) {
2294 sdev = target->luns[ccb->ccb_h.target_lun];
2295 if (sdev != NULL && sdev->status != SBP_DEV_ATTACHED &&
2296 sdev->status != SBP_DEV_PROBE)
2303 printf("invalid target %d lun %jx\n",
2304 ccb->ccb_h.target_id, (uintmax_t)ccb->ccb_h.target_lun);
2307 switch (ccb->ccb_h.func_code) {
2310 case XPT_GET_TRAN_SETTINGS:
2311 case XPT_SET_TRAN_SETTINGS:
2312 case XPT_CALC_GEOMETRY:
2315 printf("%s:%d:%jx:func_code 0x%04x: "
2316 "Invalid target (target needed)\n",
2317 device_get_nameunit(sbp->fd.dev),
2318 ccb->ccb_h.target_id,
2319 (uintmax_t)ccb->ccb_h.target_lun,
2320 ccb->ccb_h.func_code);
2323 ccb->ccb_h.status = CAM_DEV_NOT_THERE;
2330 /* The opcodes sometimes aimed at a target (sc is valid),
2331 * sometimes aimed at the SIM (sc is invalid and target is
2332 * CAM_TARGET_WILDCARD)
2335 ccb->ccb_h.target_id != CAM_TARGET_WILDCARD) {
2337 printf("%s:%d:%jx func_code 0x%04x: "
2338 "Invalid target (no wildcard)\n",
2339 device_get_nameunit(sbp->fd.dev),
2340 ccb->ccb_h.target_id,
2341 (uintmax_t)ccb->ccb_h.target_lun,
2342 ccb->ccb_h.func_code);
2344 ccb->ccb_h.status = CAM_DEV_NOT_THERE;
2350 /* XXX Hm, we should check the input parameters */
2354 switch (ccb->ccb_h.func_code) {
2357 struct ccb_scsiio *csio;
2358 struct sbp_ocb *ocb;
2363 mtx_assert(sim->mtx, MA_OWNED);
2366 printf("%s:%d:%jx XPT_SCSI_IO: "
2367 "cmd: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x"
2369 "%db cmd/%db data/%db sense\n",
2370 device_get_nameunit(sbp->fd.dev),
2371 ccb->ccb_h.target_id, (uintmax_t)ccb->ccb_h.target_lun,
2372 csio->cdb_io.cdb_bytes[0],
2373 csio->cdb_io.cdb_bytes[1],
2374 csio->cdb_io.cdb_bytes[2],
2375 csio->cdb_io.cdb_bytes[3],
2376 csio->cdb_io.cdb_bytes[4],
2377 csio->cdb_io.cdb_bytes[5],
2378 csio->cdb_io.cdb_bytes[6],
2379 csio->cdb_io.cdb_bytes[7],
2380 csio->cdb_io.cdb_bytes[8],
2381 csio->cdb_io.cdb_bytes[9],
2382 ccb->ccb_h.flags & CAM_DIR_MASK,
2383 csio->cdb_len, csio->dxfer_len,
2387 ccb->ccb_h.status = CAM_DEV_NOT_THERE;
2391 if (csio->cdb_len > sizeof(ocb->orb) - 5 * sizeof(uint32_t)) {
2392 ccb->ccb_h.status = CAM_REQ_INVALID;
2397 /* if we are in probe stage, pass only probe commands */
2398 if (sdev->status == SBP_DEV_PROBE) {
2400 name = xpt_path_periph(ccb->ccb_h.path)->periph_name;
2401 printf("probe stage, periph name: %s\n", name);
2402 if (strcmp(name, "probe") != 0) {
2403 ccb->ccb_h.status = CAM_REQUEUE_REQ;
2409 if ((ocb = sbp_get_ocb(sdev)) == NULL) {
2410 ccb->ccb_h.status = CAM_RESRC_UNAVAIL;
2411 if (sdev->freeze == 0) {
2412 xpt_freeze_devq(sdev->path, 1);
2419 ocb->flags = OCB_ACT_CMD;
2422 ccb->ccb_h.ccb_sdev_ptr = sdev;
2423 ocb->orb[0] = htonl(1U << 31);
2425 ocb->orb[2] = htonl(((sbp->fd.fc->nodeid | FWLOCALBUS) << 16));
2426 ocb->orb[3] = htonl(ocb->bus_addr + IND_PTR_OFFSET);
2427 speed = min(target->fwdev->speed, max_speed);
2428 ocb->orb[4] = htonl(ORB_NOTIFY | ORB_CMD_SPD(speed)
2429 | ORB_CMD_MAXP(speed + 7));
2430 if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
2431 ocb->orb[4] |= htonl(ORB_CMD_IN);
2434 if (csio->ccb_h.flags & CAM_CDB_POINTER)
2435 cdb = (void *)csio->cdb_io.cdb_ptr;
2437 cdb = (void *)&csio->cdb_io.cdb_bytes;
2438 bcopy(cdb, (void *)&ocb->orb[5], csio->cdb_len);
2440 printf("ORB %08x %08x %08x %08x\n", ntohl(ocb->orb[0]), ntohl(ocb->orb[1]), ntohl(ocb->orb[2]), ntohl(ocb->orb[3]));
2441 printf("ORB %08x %08x %08x %08x\n", ntohl(ocb->orb[4]), ntohl(ocb->orb[5]), ntohl(ocb->orb[6]), ntohl(ocb->orb[7]));
2443 if (ccb->csio.dxfer_len > 0) {
2446 error = bus_dmamap_load_ccb(/*dma tag*/sbp->dmat,
2447 /*dma map*/ocb->dmamap,
2453 printf("sbp: bus_dmamap_load error %d\n", error);
2455 sbp_execute_ocb(ocb, NULL, 0, 0);
2458 case XPT_CALC_GEOMETRY:
2460 struct ccb_calc_geometry *ccg;
2463 if (ccg->block_size == 0) {
2464 printf("sbp_action: block_size is 0.\n");
2465 ccb->ccb_h.status = CAM_REQ_INVALID;
2470 printf("%s:%d:%d:%jx:XPT_CALC_GEOMETRY: "
2471 "Volume size = %jd\n",
2472 device_get_nameunit(sbp->fd.dev),
2473 cam_sim_path(sbp->sim),
2474 ccb->ccb_h.target_id, (uintmax_t)ccb->ccb_h.target_lun,
2475 (uintmax_t)ccg->volume_size);
2478 cam_calc_geometry(ccg, /*extended*/1);
2482 case XPT_RESET_BUS: /* Reset the specified SCSI bus */
2486 printf("%s:%d:XPT_RESET_BUS: \n",
2487 device_get_nameunit(sbp->fd.dev), cam_sim_path(sbp->sim));
2490 ccb->ccb_h.status = CAM_REQ_INVALID;
2494 case XPT_PATH_INQ: /* Path routing inquiry */
2496 struct ccb_pathinq *cpi = &ccb->cpi;
2499 printf("%s:%d:%jx XPT_PATH_INQ:.\n",
2500 device_get_nameunit(sbp->fd.dev),
2501 ccb->ccb_h.target_id, (uintmax_t)ccb->ccb_h.target_lun);
2503 cpi->version_num = 1; /* XXX??? */
2504 cpi->hba_inquiry = PI_TAG_ABLE;
2505 cpi->target_sprt = 0;
2506 cpi->hba_misc = PIM_NOBUSRESET | PIM_NO_6_BYTE;
2507 cpi->hba_eng_cnt = 0;
2508 cpi->max_target = SBP_NUM_TARGETS - 1;
2509 cpi->max_lun = SBP_NUM_LUNS - 1;
2510 cpi->initiator_id = SBP_INITIATOR;
2511 cpi->bus_id = sim->bus_id;
2512 cpi->base_transfer_speed = 400 * 1000 / 8;
2513 strlcpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
2514 strlcpy(cpi->hba_vid, "SBP", HBA_IDLEN);
2515 strlcpy(cpi->dev_name, sim->sim_name, DEV_IDLEN);
2516 cpi->unit_number = sim->unit_number;
2517 cpi->transport = XPORT_SPI; /* XX should have a FireWire */
2518 cpi->transport_version = 2;
2519 cpi->protocol = PROTO_SCSI;
2520 cpi->protocol_version = SCSI_REV_2;
2522 cpi->ccb_h.status = CAM_REQ_CMP;
2526 case XPT_GET_TRAN_SETTINGS:
2528 struct ccb_trans_settings *cts = &ccb->cts;
2529 struct ccb_trans_settings_scsi *scsi =
2530 &cts->proto_specific.scsi;
2531 struct ccb_trans_settings_spi *spi =
2532 &cts->xport_specific.spi;
2534 cts->protocol = PROTO_SCSI;
2535 cts->protocol_version = SCSI_REV_2;
2536 cts->transport = XPORT_SPI; /* should have a FireWire */
2537 cts->transport_version = 2;
2538 spi->valid = CTS_SPI_VALID_DISC;
2539 spi->flags = CTS_SPI_FLAGS_DISC_ENB;
2540 scsi->valid = CTS_SCSI_VALID_TQ;
2541 scsi->flags = CTS_SCSI_FLAGS_TAG_ENB;
2543 printf("%s:%d:%jx XPT_GET_TRAN_SETTINGS:.\n",
2544 device_get_nameunit(sbp->fd.dev),
2545 ccb->ccb_h.target_id, (uintmax_t)ccb->ccb_h.target_lun);
2547 cts->ccb_h.status = CAM_REQ_CMP;
2552 ccb->ccb_h.status = CAM_UA_ABORT;
2555 case XPT_SET_TRAN_SETTINGS:
2558 ccb->ccb_h.status = CAM_REQ_INVALID;
2566 sbp_execute_ocb(void *arg, bus_dma_segment_t *segments, int seg, int error)
2569 struct sbp_ocb *ocb;
2570 struct sbp_ocb *prev;
2571 bus_dma_segment_t *s;
2574 printf("sbp_execute_ocb: error=%d\n", error);
2576 ocb = (struct sbp_ocb *)arg;
2579 printf("sbp_execute_ocb: seg %d", seg);
2580 for (i = 0; i < seg; i++)
2581 printf(", %jx:%jd", (uintmax_t)segments[i].ds_addr,
2582 (uintmax_t)segments[i].ds_len);
2587 /* direct pointer */
2589 if (s->ds_len > SBP_SEG_MAX)
2590 panic("ds_len > SBP_SEG_MAX, fix busdma code");
2591 ocb->orb[3] = htonl(s->ds_addr);
2592 ocb->orb[4] |= htonl(s->ds_len);
2593 } else if (seg > 1) {
2595 for (i = 0; i < seg; i++) {
2598 /* XXX LSI Logic "< 16 byte" bug might be hit */
2600 printf("sbp_execute_ocb: warning, "
2601 "segment length(%zd) is less than 16."
2602 "(seg=%d/%d)\n", (size_t)s->ds_len, i + 1, seg);
2604 if (s->ds_len > SBP_SEG_MAX)
2605 panic("ds_len > SBP_SEG_MAX, fix busdma code");
2606 ocb->ind_ptr[i].hi = htonl(s->ds_len << 16);
2607 ocb->ind_ptr[i].lo = htonl(s->ds_addr);
2609 ocb->orb[4] |= htonl(ORB_CMD_PTBL | seg);
2613 bus_dmamap_sync(ocb->sdev->target->sbp->dmat, ocb->dmamap,
2614 (ntohl(ocb->orb[4]) & ORB_CMD_IN) ?
2615 BUS_DMASYNC_PREREAD : BUS_DMASYNC_PREWRITE);
2616 prev = sbp_enqueue_ocb(ocb->sdev, ocb);
2617 fwdma_sync(&ocb->sdev->dma, BUS_DMASYNC_PREWRITE);
2620 if (ocb->sdev->last_ocb != NULL)
2621 sbp_doorbell(ocb->sdev);
2623 sbp_orb_pointer(ocb->sdev, ocb);
2626 if (prev == NULL || (ocb->sdev->flags & ORB_LINK_DEAD) != 0) {
2627 ocb->sdev->flags &= ~ORB_LINK_DEAD;
2628 sbp_orb_pointer(ocb->sdev, ocb);
2634 sbp_poll(struct cam_sim *sim)
2636 struct sbp_softc *sbp;
2637 struct firewire_comm *fc;
2639 sbp = (struct sbp_softc *)sim->softc;
2642 fc->poll(fc, 0, -1);
2647 static struct sbp_ocb *
2648 sbp_dequeue_ocb(struct sbp_dev *sdev, struct sbp_status *sbp_status)
2650 struct sbp_ocb *ocb;
2651 struct sbp_ocb *next;
2655 device_printf(sdev->target->sbp->fd.dev,
2656 "%s:%s 0x%08x src %d\n",
2657 __func__, sdev->bustgtlun, ntohl(sbp_status->orb_lo), sbp_status->src);
2659 SBP_LOCK_ASSERT(sdev->target->sbp);
2660 STAILQ_FOREACH_SAFE(ocb, &sdev->ocbs, ocb, next) {
2661 if (OCB_MATCH(ocb, sbp_status)) {
2663 STAILQ_REMOVE(&sdev->ocbs, ocb, sbp_ocb, ocb);
2664 if (ocb->ccb != NULL)
2665 callout_stop(&ocb->timer);
2666 if (ntohl(ocb->orb[4]) & 0xffff) {
2667 bus_dmamap_sync(sdev->target->sbp->dmat,
2669 (ntohl(ocb->orb[4]) & ORB_CMD_IN) ?
2670 BUS_DMASYNC_POSTREAD :
2671 BUS_DMASYNC_POSTWRITE);
2672 bus_dmamap_unload(sdev->target->sbp->dmat,
2675 if (!use_doorbell) {
2676 if (sbp_status->src == SRC_NO_NEXT) {
2678 sbp_orb_pointer(sdev, next);
2679 else if (order > 0) {
2681 * Unordered execution
2682 * We need to send pointer for
2685 sdev->flags |= ORB_LINK_DEAD;
2690 * XXX this is not correct for unordered
2693 if (sdev->last_ocb != NULL) {
2694 sbp_free_ocb(sdev, sdev->last_ocb);
2696 sdev->last_ocb = ocb;
2698 sbp_status->src == SRC_NO_NEXT)
2706 if (ocb && order > 0) {
2707 device_printf(sdev->target->sbp->fd.dev,
2708 "%s:%s unordered execution order:%d\n",
2709 __func__, sdev->bustgtlun, order);
2715 static struct sbp_ocb *
2716 sbp_enqueue_ocb(struct sbp_dev *sdev, struct sbp_ocb *ocb)
2718 struct sbp_ocb *prev, *prev2;
2720 SBP_LOCK_ASSERT(sdev->target->sbp);
2722 device_printf(sdev->target->sbp->fd.dev,
2723 "%s:%s 0x%08jx\n", __func__, sdev->bustgtlun, (uintmax_t)ocb->bus_addr);
2725 prev2 = prev = STAILQ_LAST(&sdev->ocbs, sbp_ocb, ocb);
2726 STAILQ_INSERT_TAIL(&sdev->ocbs, ocb, ocb);
2728 if (ocb->ccb != NULL) {
2729 callout_reset_sbt(&ocb->timer,
2730 SBT_1MS * ocb->ccb->ccb_h.timeout, 0, sbp_timeout,
2734 if (use_doorbell && prev == NULL)
2735 prev2 = sdev->last_ocb;
2737 if (prev2 != NULL && (ocb->sdev->flags & ORB_LINK_DEAD) == 0) {
2739 printf("linking chain 0x%jx -> 0x%jx\n",
2740 (uintmax_t)prev2->bus_addr, (uintmax_t)ocb->bus_addr);
2743 * Suppress compiler optimization so that orb[1] must be written first.
2744 * XXX We may need an explicit memory barrier for other architectures
2745 * other than i386/amd64.
2747 *(volatile uint32_t *)&prev2->orb[1] = htonl(ocb->bus_addr);
2748 *(volatile uint32_t *)&prev2->orb[0] = 0;
2754 static struct sbp_ocb *
2755 sbp_get_ocb(struct sbp_dev *sdev)
2757 struct sbp_ocb *ocb;
2759 SBP_LOCK_ASSERT(sdev->target->sbp);
2760 ocb = STAILQ_FIRST(&sdev->free_ocbs);
2762 sdev->flags |= ORB_SHORTAGE;
2763 printf("ocb shortage!!!\n");
2766 STAILQ_REMOVE_HEAD(&sdev->free_ocbs, ocb);
2772 sbp_free_ocb(struct sbp_dev *sdev, struct sbp_ocb *ocb)
2777 SBP_LOCK_ASSERT(sdev->target->sbp);
2778 STAILQ_INSERT_TAIL(&sdev->free_ocbs, ocb, ocb);
2779 if ((sdev->flags & ORB_SHORTAGE) != 0) {
2782 sdev->flags &= ~ORB_SHORTAGE;
2783 count = sdev->freeze;
2785 xpt_release_devq(sdev->path, count, TRUE);
2790 sbp_abort_ocb(struct sbp_ocb *ocb, int status)
2792 struct sbp_dev *sdev;
2795 SBP_LOCK_ASSERT(sdev->target->sbp);
2797 device_printf(sdev->target->sbp->fd.dev,
2798 "%s:%s 0x%jx\n", __func__, sdev->bustgtlun, (uintmax_t)ocb->bus_addr);
2801 if (ocb->ccb != NULL)
2802 sbp_print_scsi_cmd(ocb);
2804 if (ntohl(ocb->orb[4]) & 0xffff) {
2805 bus_dmamap_sync(sdev->target->sbp->dmat, ocb->dmamap,
2806 (ntohl(ocb->orb[4]) & ORB_CMD_IN) ?
2807 BUS_DMASYNC_POSTREAD : BUS_DMASYNC_POSTWRITE);
2808 bus_dmamap_unload(sdev->target->sbp->dmat, ocb->dmamap);
2810 if (ocb->ccb != NULL) {
2811 callout_stop(&ocb->timer);
2812 ocb->ccb->ccb_h.status = status;
2815 sbp_free_ocb(sdev, ocb);
2819 sbp_abort_all_ocbs(struct sbp_dev *sdev, int status)
2821 struct sbp_ocb *ocb, *next;
2822 STAILQ_HEAD(, sbp_ocb) temp;
2825 SBP_LOCK_ASSERT(sdev->target->sbp);
2826 STAILQ_CONCAT(&temp, &sdev->ocbs);
2827 STAILQ_INIT(&sdev->ocbs);
2829 STAILQ_FOREACH_SAFE(ocb, &temp, ocb, next) {
2830 sbp_abort_ocb(ocb, status);
2832 if (sdev->last_ocb != NULL) {
2833 sbp_free_ocb(sdev, sdev->last_ocb);
2834 sdev->last_ocb = NULL;
2838 static devclass_t sbp_devclass;
2840 static device_method_t sbp_methods[] = {
2841 /* device interface */
2842 DEVMETHOD(device_identify, sbp_identify),
2843 DEVMETHOD(device_probe, sbp_probe),
2844 DEVMETHOD(device_attach, sbp_attach),
2845 DEVMETHOD(device_detach, sbp_detach),
2846 DEVMETHOD(device_shutdown, sbp_shutdown),
2851 static driver_t sbp_driver = {
2854 sizeof(struct sbp_softc),
2856 DRIVER_MODULE(sbp, firewire, sbp_driver, sbp_devclass, 0, 0);
2857 MODULE_VERSION(sbp, 1);
2858 MODULE_DEPEND(sbp, firewire, 1, 1, 1);
2859 MODULE_DEPEND(sbp, cam, 1, 1, 1);