2 * Copyright (c) 2003 Hidetoshi Shimokawa
3 * Copyright (c) 1998-2002 Katsushi Kobayashi and Hidetoshi Shimokawa
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. All advertising materials mentioning features or use of this software
15 * must display the acknowledgement as bellow:
17 * This product includes software developed by K. Kobayashi and H. Shimokawa
19 * 4. The name of the author may not be used to endorse or promote products
20 * derived from this software without specific prior written permission.
22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
24 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
25 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
26 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
27 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
28 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
30 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
31 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
32 * POSSIBILITY OF SUCH DAMAGE.
34 * $FreeBSD: src/sys/dev/firewire/sbp.c,v 1.74 2004/01/08 14:58:09 simokawa Exp $
37 #include <sys/param.h>
38 #include <sys/systm.h>
40 #include <sys/module.h>
42 #include <sys/kernel.h>
43 #include <sys/sysctl.h>
44 #include <sys/malloc.h>
45 #include <sys/thread2.h>
47 #include <bus/cam/cam.h>
48 #include <bus/cam/cam_ccb.h>
49 #include <bus/cam/cam_sim.h>
50 #include <bus/cam/cam_xpt_sim.h>
51 #include <bus/cam/cam_debug.h>
52 #include <bus/cam/cam_periph.h>
53 #include <bus/cam/scsi/scsi_all.h>
55 #include <bus/firewire/firewire.h>
56 #include <bus/firewire/firewirereg.h>
57 #include <bus/firewire/fwdma.h>
58 #include <bus/firewire/iec13213.h>
61 #define ccb_sdev_ptr spriv_ptr0
62 #define ccb_sbp_ptr spriv_ptr1
64 #define SBP_NUM_TARGETS 8 /* MAX 64 */
66 * Scan_bus doesn't work for more than 8 LUNs
67 * because of CAM_SCSI2_MAXLUN in cam_xpt.c
69 #define SBP_NUM_LUNS 64
70 #define SBP_DMA_SIZE PAGE_SIZE
71 #define SBP_LOGIN_SIZE sizeof(struct sbp_login_res)
72 #define SBP_QUEUE_LEN ((SBP_DMA_SIZE - SBP_LOGIN_SIZE) / sizeof(struct sbp_ocb))
73 #define SBP_NUM_OCB (SBP_QUEUE_LEN * SBP_NUM_TARGETS)
76 * STATUS FIFO addressing
78 * -----------------------
79 * 0- 1( 2): 0 (alingment)
83 * 32-47(16): SBP_BIND_HI
84 * 48-64(16): bus_id, node_id
86 #define SBP_BIND_HI 0x1
87 #define SBP_DEV2ADDR(t, l) \
88 (((u_int64_t)SBP_BIND_HI << 32) \
89 | (((l) & 0xff) << 8) \
90 | (((t) & 0x3f) << 2))
91 #define SBP_ADDR2TRG(a) (((a) >> 2) & 0x3f)
92 #define SBP_ADDR2LUN(a) (((a) >> 8) & 0xff)
93 #define SBP_INITIATOR 7
95 static char *orb_fun_name[] = {
100 static int auto_login = 1;
101 static int max_speed = -1;
103 static int sbp_cold = 1;
105 static int ex_login = 1;
106 static int login_delay = 1000; /* msec */
107 static int scan_delay = 500; /* msec */
108 static int sbp_tags = 0;
110 SYSCTL_DECL(_hw_firewire);
111 SYSCTL_NODE(_hw_firewire, OID_AUTO, sbp, CTLFLAG_RD, 0, "SBP-II Subsystem");
112 SYSCTL_INT(_debug, OID_AUTO, sbp_debug, CTLFLAG_RW, &debug, 0,
114 SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, auto_login, CTLFLAG_RW, &auto_login, 0,
115 "SBP perform login automatically");
116 SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, max_speed, CTLFLAG_RW, &max_speed, 0,
117 "SBP transfer max speed");
118 SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, exclusive_login, CTLFLAG_RW,
119 &ex_login, 0, "SBP transfer max speed");
120 SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, login_delay, CTLFLAG_RW,
121 &login_delay, 0, "SBP login delay in msec");
122 SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, scan_delay, CTLFLAG_RW,
123 &scan_delay, 0, "SBP scan delay in msec");
124 SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, tags, CTLFLAG_RW, &sbp_tags, 0,
125 "SBP tagged queuing support");
127 TUNABLE_INT("hw.firewire.sbp.auto_login", &auto_login);
128 TUNABLE_INT("hw.firewire.sbp.max_speed", &max_speed);
129 TUNABLE_INT("hw.firewire.sbp.exclusive_login", &ex_login);
130 TUNABLE_INT("hw.firewire.sbp.login_delay", &login_delay);
131 TUNABLE_INT("hw.firewire.sbp.scan_delay", &scan_delay);
132 TUNABLE_INT("hw.firewire.sbp.tags", &sbp_tags);
134 #define NEED_RESPONSE 0
136 #define SBP_SEG_MAX rounddown(0xffff, PAGE_SIZE)
137 #ifdef __sparc64__ /* iommu */
138 #define SBP_IND_MAX howmany(MAXPHYS, SBP_SEG_MAX)
140 #define SBP_IND_MAX howmany(MAXPHYS, PAGE_SIZE)
143 STAILQ_ENTRY(sbp_ocb) ocb;
147 #define IND_PTR_OFFSET (8*sizeof(u_int32_t))
148 struct ind_ptr ind_ptr[SBP_IND_MAX];
149 struct sbp_dev *sdev;
150 int flags; /* XXX should be removed */
154 #define OCB_ACT_MGM 0
155 #define OCB_ACT_CMD 1
156 #define OCB_MATCH(o,s) ((o)->bus_addr == ntohl((s)->orb_lo))
159 #define SBP_DEV_RESET 0 /* accept login */
160 #define SBP_DEV_LOGIN 1 /* to login */
162 #define SBP_DEV_RECONN 2 /* to reconnect */
164 #define SBP_DEV_TOATTACH 3 /* to attach */
165 #define SBP_DEV_PROBE 4 /* scan lun */
166 #define SBP_DEV_ATTACHED 5 /* in operation */
167 #define SBP_DEV_DEAD 6 /* unavailable unit */
168 #define SBP_DEV_RETRY 7 /* unavailable unit */
174 #define ORB_LINK_DEAD (1 << 0)
175 #define VALID_LUN (1 << 1)
176 #define ORB_POINTER_ACTIVE (1 << 2)
177 #define ORB_POINTER_NEED (1 << 3)
179 struct cam_path *path;
180 struct sbp_target *target;
181 struct fwdma_alloc dma;
182 struct sbp_login_res *login;
183 struct callout login_callout;
185 STAILQ_HEAD(, sbp_ocb) ocbs;
186 STAILQ_HEAD(, sbp_ocb) free_ocbs;
195 struct sbp_dev **luns;
196 struct sbp_softc *sbp;
197 struct fw_device *fwdev;
198 u_int32_t mgm_hi, mgm_lo;
199 struct sbp_ocb *mgm_ocb_cur;
200 STAILQ_HEAD(, sbp_ocb) mgm_ocb_queue;
201 struct callout mgm_ocb_timeout;
202 struct callout scan_callout;
203 STAILQ_HEAD(, fw_xfer) xferlist;
208 struct firewire_dev_comm fd;
210 struct cam_path *path;
211 struct sbp_target targets[SBP_NUM_TARGETS];
214 struct timeval last_busreset;
215 #define SIMQ_FREEZED 1
219 static void sbp_post_explore (void *);
220 static void sbp_recv (struct fw_xfer *);
221 static void sbp_mgm_callback (struct fw_xfer *);
223 static void sbp_cmd_callback (struct fw_xfer *);
225 static void sbp_orb_pointer (struct sbp_dev *, struct sbp_ocb *);
226 static void sbp_execute_ocb (void *, bus_dma_segment_t *, int, int);
227 static void sbp_free_ocb (struct sbp_dev *, struct sbp_ocb *);
228 static void sbp_abort_ocb (struct sbp_ocb *, int);
229 static void sbp_abort_all_ocbs (struct sbp_dev *, int);
230 static struct fw_xfer * sbp_write_cmd (struct sbp_dev *, int, int);
231 static struct sbp_ocb * sbp_get_ocb (struct sbp_dev *);
232 static struct sbp_ocb * sbp_enqueue_ocb (struct sbp_dev *, struct sbp_ocb *);
233 static struct sbp_ocb * sbp_dequeue_ocb (struct sbp_dev *, struct sbp_status *);
234 static void sbp_cam_detach_sdev(struct sbp_dev *);
235 static void sbp_free_sdev(struct sbp_dev *);
236 static void sbp_cam_detach_target (struct sbp_target *);
237 static void sbp_free_target (struct sbp_target *);
238 static void sbp_mgm_timeout (void *arg);
239 static void sbp_timeout (void *arg);
240 static void sbp_mgm_orb (struct sbp_dev *, int, struct sbp_ocb *);
242 MALLOC_DEFINE(M_SBP, "sbp", "SBP-II/FireWire");
244 /* cam related functions */
245 static void sbp_action(struct cam_sim *sim, union ccb *ccb);
246 static void sbp_poll(struct cam_sim *sim);
247 static void sbp_cam_scan_lun(struct cam_periph *, union ccb *);
248 static void sbp_cam_scan_target(void *arg);
250 static char *orb_status0[] = {
251 /* 0 */ "No additional information to report",
252 /* 1 */ "Request type not supported",
253 /* 2 */ "Speed not supported",
254 /* 3 */ "Page size not supported",
255 /* 4 */ "Access denied",
256 /* 5 */ "Logical unit not supported",
257 /* 6 */ "Maximum payload too small",
258 /* 7 */ "Reserved for future standardization",
259 /* 8 */ "Resources unavailable",
260 /* 9 */ "Function rejected",
261 /* A */ "Login ID not recognized",
262 /* B */ "Dummy ORB completed",
263 /* C */ "Request aborted",
264 /* FF */ "Unspecified error"
265 #define MAX_ORB_STATUS0 0xd
268 static char *orb_status1_object[] = {
269 /* 0 */ "Operation request block (ORB)",
270 /* 1 */ "Data buffer",
271 /* 2 */ "Page table",
272 /* 3 */ "Unable to specify"
275 static char *orb_status1_serial_bus_error[] = {
276 /* 0 */ "Missing acknowledge",
277 /* 1 */ "Reserved; not to be used",
278 /* 2 */ "Time-out error",
279 /* 3 */ "Reserved; not to be used",
280 /* 4 */ "Busy retry limit exceeded(X)",
281 /* 5 */ "Busy retry limit exceeded(A)",
282 /* 6 */ "Busy retry limit exceeded(B)",
283 /* 7 */ "Reserved for future standardization",
284 /* 8 */ "Reserved for future standardization",
285 /* 9 */ "Reserved for future standardization",
286 /* A */ "Reserved for future standardization",
287 /* B */ "Tardy retry limit exceeded",
288 /* C */ "Conflict error",
289 /* D */ "Data error",
290 /* E */ "Type error",
291 /* F */ "Address error"
298 sbp_probe(device_t dev)
303 kprintf("sbp_probe\n");
306 pa = device_get_parent(dev);
307 if(device_get_unit(dev) != device_get_unit(pa)){
311 device_set_desc(dev, "SBP-2/SCSI over FireWire");
319 sbp_show_sdev_info(struct sbp_dev *sdev, int new)
321 struct fw_device *fwdev;
324 device_get_nameunit(sdev->target->sbp->fd.dev),
325 sdev->target->target_id,
331 fwdev = sdev->target->fwdev;
332 kprintf("ordered:%d type:%d EUI:%08x%08x node:%d "
333 "speed:%d maxrec:%d",
334 (sdev->type & 0x40) >> 6,
346 sbp_show_sdev_info(sdev, 2);
347 kprintf("'%s' '%s' '%s'\n", sdev->vendor, sdev->product, sdev->revision);
355 /* Bus Target EUI64 */
357 {0, 2, {0x00018ea0, 0x01fd0154}}, /* Logitec HDD */
358 {0, 0, {0x00018ea6, 0x00100682}}, /* Logitec DVD */
359 {0, 1, {0x00d03200, 0xa412006a}}, /* Yano HDD */
365 sbp_new_target(struct sbp_softc *sbp, struct fw_device *fwdev)
367 int bus, i, target=-1;
368 char w[SBP_NUM_TARGETS];
371 bus = device_get_unit(sbp->fd.dev);
373 /* XXX wired-down configuration should be gotten from
374 tunable or device hint */
375 for (i = 0; wired[i].bus >= 0; i ++) {
376 if (wired[i].bus == bus) {
377 w[wired[i].target] = 1;
378 if (wired[i].eui.hi == fwdev->eui.hi &&
379 wired[i].eui.lo == fwdev->eui.lo)
380 target = wired[i].target;
384 if(target < SBP_NUM_TARGETS &&
385 sbp->targets[target].fwdev == NULL)
387 device_printf(sbp->fd.dev,
388 "target %d is not free for %08x:%08x\n",
389 target, fwdev->eui.hi, fwdev->eui.lo);
392 /* non-wired target */
393 for (i = 0; i < SBP_NUM_TARGETS; i ++)
394 if (sbp->targets[i].fwdev == NULL && w[i] == 0) {
403 sbp_alloc_lun(struct sbp_target *target)
405 struct crom_context cc;
407 struct sbp_dev *sdev, **newluns;
408 struct sbp_softc *sbp;
412 crom_init_context(&cc, target->fwdev->csrrom);
413 /* XXX shoud parse appropriate unit directories only */
415 while (cc.depth >= 0) {
416 reg = crom_search_key(&cc, CROM_LUN);
419 lun = reg->val & 0xffff;
421 kprintf("target %d lun %d found\n", target->target_id, lun);
428 kprintf("%s:%d no LUN found\n",
429 device_get_nameunit(target->sbp->fd.dev),
433 if (maxlun >= SBP_NUM_LUNS)
434 maxlun = SBP_NUM_LUNS;
436 /* Invalidiate stale devices */
437 for (lun = 0; lun < target->num_lun; lun ++) {
438 sdev = target->luns[lun];
441 sdev->flags &= ~VALID_LUN;
444 sbp_cam_detach_sdev(sdev);
450 if (maxlun != target->num_lun) {
452 * note: krealloc() does not support M_ZERO. We must zero
453 * the extended region manually.
455 newluns = krealloc(target->luns,
456 sizeof(struct sbp_dev *) * maxlun,
459 if (maxlun > target->num_lun) {
460 bzero(&newluns[target->num_lun],
461 sizeof(struct sbp_dev *) *
462 (maxlun - target->num_lun));
464 target->luns = newluns;
465 target->num_lun = maxlun;
468 crom_init_context(&cc, target->fwdev->csrrom);
469 while (cc.depth >= 0) {
472 reg = crom_search_key(&cc, CROM_LUN);
475 lun = reg->val & 0xffff;
476 if (lun >= SBP_NUM_LUNS) {
477 kprintf("too large lun %d\n", lun);
481 sdev = target->luns[lun];
483 sdev = kmalloc(sizeof(struct sbp_dev),
484 M_SBP, M_WAITOK | M_ZERO);
485 target->luns[lun] = sdev;
487 sdev->target = target;
488 STAILQ_INIT(&sdev->ocbs);
489 CALLOUT_INIT(&sdev->login_callout);
490 sdev->status = SBP_DEV_RESET;
493 sdev->flags |= VALID_LUN;
494 sdev->type = (reg->val & 0xff0000) >> 16;
499 fwdma_malloc(sbp->fd.fc,
500 /* alignment */ sizeof(u_int32_t),
501 SBP_DMA_SIZE, &sdev->dma, BUS_DMA_NOWAIT);
502 if (sdev->dma.v_addr == NULL) {
503 kprintf("%s: dma space allocation failed\n",
506 target->luns[lun] = NULL;
509 sdev->login = (struct sbp_login_res *) sdev->dma.v_addr;
510 sdev->ocb = (struct sbp_ocb *)
511 ((char *)sdev->dma.v_addr + SBP_LOGIN_SIZE);
512 bzero((char *)sdev->ocb,
513 sizeof (struct sbp_ocb) * SBP_QUEUE_LEN);
515 STAILQ_INIT(&sdev->free_ocbs);
516 for (i = 0; i < SBP_QUEUE_LEN; i++) {
519 ocb->bus_addr = sdev->dma.bus_addr
521 + sizeof(struct sbp_ocb) * i
522 + offsetof(struct sbp_ocb, orb[0]);
523 if (bus_dmamap_create(sbp->dmat, 0, &ocb->dmamap)) {
524 kprintf("sbp_attach: cannot create dmamap\n");
528 sbp_free_ocb(sdev, ocb);
534 for (lun = 0; lun < target->num_lun; lun ++) {
535 sdev = target->luns[lun];
536 if (sdev != NULL && (sdev->flags & VALID_LUN) == 0) {
537 sbp_cam_detach_sdev(sdev);
539 target->luns[lun] = NULL;
544 static struct sbp_target *
545 sbp_alloc_target(struct sbp_softc *sbp, struct fw_device *fwdev)
548 struct sbp_target *target;
549 struct crom_context cc;
553 kprintf("sbp_alloc_target\n");
555 i = sbp_new_target(sbp, fwdev);
557 device_printf(sbp->fd.dev, "increase SBP_NUM_TARGETS!\n");
561 target = &sbp->targets[i];
563 target->fwdev = fwdev;
564 target->target_id = i;
565 /* XXX we may want to reload mgm port after each bus reset */
566 /* XXX there might be multiple management agents */
567 crom_init_context(&cc, target->fwdev->csrrom);
568 reg = crom_search_key(&cc, CROM_MGM);
569 if (reg == NULL || reg->val == 0) {
570 kprintf("NULL management address\n");
571 target->fwdev = NULL;
574 target->mgm_hi = 0xffff;
575 target->mgm_lo = 0xf0000000 | (reg->val << 2);
576 target->mgm_ocb_cur = NULL;
578 kprintf("target:%d mgm_port: %x\n", i, target->mgm_lo);
580 STAILQ_INIT(&target->xferlist);
582 STAILQ_INIT(&target->mgm_ocb_queue);
583 CALLOUT_INIT(&target->mgm_ocb_timeout);
584 CALLOUT_INIT(&target->scan_callout);
592 sbp_probe_lun(struct sbp_dev *sdev)
594 struct fw_device *fwdev;
595 struct crom_context c, *cc = &c;
598 bzero(sdev->vendor, sizeof(sdev->vendor));
599 bzero(sdev->product, sizeof(sdev->product));
601 fwdev = sdev->target->fwdev;
602 crom_init_context(cc, fwdev->csrrom);
603 /* get vendor string */
604 crom_search_key(cc, CSRKEY_VENDOR);
606 crom_parse_text(cc, sdev->vendor, sizeof(sdev->vendor));
607 /* skip to the unit directory for SBP-2 */
608 while ((reg = crom_search_key(cc, CSRKEY_VER)) != NULL) {
609 if (reg->val == CSRVAL_T10SBP2)
613 /* get firmware revision */
614 reg = crom_search_key(cc, CSRKEY_FIRM_VER);
616 ksnprintf(sdev->revision, sizeof(sdev->revision),
618 /* get product string */
619 crom_search_key(cc, CSRKEY_MODEL);
621 crom_parse_text(cc, sdev->product, sizeof(sdev->product));
625 sbp_login_callout(void *arg)
627 struct sbp_dev *sdev = (struct sbp_dev *)arg;
628 sbp_mgm_orb(sdev, ORB_FUN_LGI, NULL);
632 sbp_login(struct sbp_dev *sdev)
634 struct timeval delta;
639 timevalsub(&delta, &sdev->target->sbp->last_busreset);
640 t.tv_sec = login_delay / 1000;
641 t.tv_usec = (login_delay % 1000) * 1000;
642 timevalsub(&t, &delta);
643 if (t.tv_sec >= 0 && t.tv_usec > 0)
644 ticks = (t.tv_sec * 1000 + t.tv_usec / 1000) * hz / 1000;
646 kprintf("%s: sec = %ld usec = %ld ticks = %d\n", __func__,
647 t.tv_sec, t.tv_usec, ticks);
649 callout_reset(&sdev->login_callout, ticks,
650 sbp_login_callout, (void *)(sdev));
653 #define SBP_FWDEV_ALIVE(fwdev) (((fwdev)->status == FWDEVATTACHED) \
654 && crom_has_specver((fwdev)->csrrom, CSRVAL_ANSIT10, CSRVAL_T10SBP2))
657 sbp_probe_target(void *arg)
659 struct sbp_target *target = (struct sbp_target *)arg;
660 struct sbp_dev *sdev;
663 alive = SBP_FWDEV_ALIVE(target->fwdev);
665 kprintf("sbp_probe_target %d\n", target->target_id);
667 kprintf("not alive\n");
670 sbp_alloc_lun(target);
672 /* XXX callout_stop mgm_ocb and dequeue */
673 for (i=0; i < target->num_lun; i++) {
674 sdev = target->luns[i];
677 if (alive && (sdev->status != SBP_DEV_DEAD)) {
678 if (sdev->path != NULL) {
679 xpt_freeze_devq(sdev->path, 1);
684 sbp_show_sdev_info(sdev,
685 (sdev->status == SBP_DEV_RESET));
688 sbp_abort_all_ocbs(sdev, CAM_SCSI_BUS_RESET);
689 switch (sdev->status) {
691 /* new or revived target */
695 case SBP_DEV_TOATTACH:
697 case SBP_DEV_ATTACHED:
700 sbp_mgm_orb(sdev, ORB_FUN_RCN, NULL);
704 switch (sdev->status) {
705 case SBP_DEV_ATTACHED:
707 /* the device has gone */
708 sbp_show_sdev_info(sdev, 2);
709 kprintf("lost target\n");
713 xpt_freeze_devq(sdev->path, 1);
716 sdev->status = SBP_DEV_RETRY;
717 sbp_abort_all_ocbs(sdev, CAM_SCSI_BUS_RESET);
719 sbp_cam_detach_target(sdev->target);
720 sdev->status = SBP_DEV_RESET;
723 case SBP_DEV_TOATTACH:
724 sdev->status = SBP_DEV_RESET;
736 sbp_post_busreset(void *arg)
738 struct sbp_softc *sbp;
740 sbp = (struct sbp_softc *)arg;
742 kprintf("sbp_post_busreset\n");
744 if ((sbp->sim->flags & SIMQ_FREEZED) == 0) {
745 xpt_freeze_simq(sbp->sim, /*count*/1);
746 sbp->sim->flags |= SIMQ_FREEZED;
748 microtime(&sbp->last_busreset);
752 sbp_post_explore(void *arg)
754 struct sbp_softc *sbp = (struct sbp_softc *)arg;
755 struct sbp_target *target;
756 struct fw_device *fwdev;
760 kprintf("sbp_post_explore\n");
769 * XXX don't let CAM the bus rest.
770 * CAM tries to do something with freezed (DEV_RETRY) devices.
772 xpt_async(AC_BUS_RESET, sbp->path, /*arg*/ NULL);
775 /* Gabage Collection */
776 for(i = 0 ; i < SBP_NUM_TARGETS ; i ++){
777 target = &sbp->targets[i];
778 STAILQ_FOREACH(fwdev, &sbp->fd.fc->devices, link)
779 if (target->fwdev == NULL || target->fwdev == fwdev)
782 /* device has removed in lower driver */
783 sbp_cam_detach_target(target);
784 sbp_free_target(target);
787 /* traverse device list */
788 STAILQ_FOREACH(fwdev, &sbp->fd.fc->devices, link) {
790 kprintf("sbp_post_explore: EUI:%08x%08x ",
791 fwdev->eui.hi, fwdev->eui.lo);
792 if (fwdev->status != FWDEVATTACHED)
793 kprintf("not attached, state=%d.\n", fwdev->status);
795 kprintf("attached\n");
797 alive = SBP_FWDEV_ALIVE(fwdev);
798 for(i = 0 ; i < SBP_NUM_TARGETS ; i ++){
799 target = &sbp->targets[i];
800 if(target->fwdev == fwdev ) {
805 if(i == SBP_NUM_TARGETS){
808 target = sbp_alloc_target(sbp, fwdev);
815 sbp_probe_target((void *)target);
816 if (target->num_lun == 0)
817 sbp_free_target(target);
819 xpt_release_simq(sbp->sim, /*run queue*/TRUE);
820 sbp->sim->flags &= ~SIMQ_FREEZED;
825 sbp_loginres_callback(struct fw_xfer *xfer){
826 struct sbp_dev *sdev;
827 sdev = (struct sbp_dev *)xfer->sc;
829 sbp_show_sdev_info(sdev, 2);
830 kprintf("sbp_loginres_callback\n");
834 STAILQ_INSERT_TAIL(&sdev->target->sbp->fwb.xferlist, xfer, link);
841 sbp_xfer_free(struct fw_xfer *xfer)
843 struct sbp_dev *sdev;
845 sdev = (struct sbp_dev *)xfer->sc;
846 fw_xfer_unload(xfer);
848 STAILQ_INSERT_TAIL(&sdev->target->xferlist, xfer, link);
853 sbp_reset_start_callback(struct fw_xfer *xfer)
855 struct sbp_dev *tsdev, *sdev = (struct sbp_dev *)xfer->sc;
856 struct sbp_target *target = sdev->target;
859 if (xfer->resp != 0) {
860 sbp_show_sdev_info(sdev, 2);
861 kprintf("sbp_reset_start failed: resp=%d\n", xfer->resp);
864 for (i = 0; i < target->num_lun; i++) {
865 tsdev = target->luns[i];
866 if (tsdev != NULL && tsdev->status == SBP_DEV_LOGIN)
872 sbp_reset_start(struct sbp_dev *sdev)
874 struct fw_xfer *xfer;
878 sbp_show_sdev_info(sdev, 2);
879 kprintf("sbp_reset_start\n");
882 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0);
883 xfer->act.hand = sbp_reset_start_callback;
884 fp = &xfer->send.hdr;
885 fp->mode.wreqq.dest_hi = 0xffff;
886 fp->mode.wreqq.dest_lo = 0xf0000000 | RESET_START;
887 fp->mode.wreqq.data = htonl(0xf);
888 fw_asyreq(xfer->fc, -1, xfer);
892 sbp_mgm_callback(struct fw_xfer *xfer)
894 struct sbp_dev *sdev;
899 sdev = (struct sbp_dev *)xfer->sc;
902 sbp_show_sdev_info(sdev, 2);
903 kprintf("sbp_mgm_callback\n");
911 sbp_show_sdev_info(sdev, 2);
912 kprintf("management ORB failed(%d) ... RESET_START\n", resp);
913 sbp_reset_start(sdev);
919 static struct sbp_dev *
920 sbp_next_dev(struct sbp_target *target, int lun)
922 struct sbp_dev **sdevp;
925 for (i = lun, sdevp = &target->luns[lun]; i < target->num_lun;
927 if (*sdevp != NULL && (*sdevp)->status == SBP_DEV_PROBE)
934 sbp_cam_scan_lun(struct cam_periph *periph, union ccb *ccb)
936 struct sbp_target *target;
937 struct sbp_dev *sdev;
939 sdev = (struct sbp_dev *) ccb->ccb_h.ccb_sdev_ptr;
940 target = sdev->target;
942 sbp_show_sdev_info(sdev, 2);
943 kprintf("sbp_cam_scan_lun\n");
945 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
946 sdev->status = SBP_DEV_ATTACHED;
948 sbp_show_sdev_info(sdev, 2);
949 kprintf("scan failed\n");
951 sdev = sbp_next_dev(target, sdev->lun_id + 1);
957 xpt_setup_ccb(&ccb->ccb_h, sdev->path, SCAN_PRI);
958 ccb->ccb_h.ccb_sdev_ptr = sdev;
960 xpt_release_devq(sdev->path, sdev->freeze, TRUE);
965 sbp_cam_scan_target(void *arg)
967 struct sbp_target *target = (struct sbp_target *)arg;
968 struct sbp_dev *sdev;
971 sdev = sbp_next_dev(target, 0);
973 kprintf("sbp_cam_scan_target: nothing to do for target%d\n",
978 sbp_show_sdev_info(sdev, 2);
979 kprintf("sbp_cam_scan_target\n");
981 ccb = kmalloc(sizeof(union ccb), M_SBP, M_WAITOK | M_ZERO);
982 xpt_setup_ccb(&ccb->ccb_h, sdev->path, SCAN_PRI);
983 ccb->ccb_h.func_code = XPT_SCAN_LUN;
984 ccb->ccb_h.cbfcnp = sbp_cam_scan_lun;
985 ccb->ccb_h.flags |= CAM_DEV_QFREEZE;
986 ccb->crcn.flags = CAM_FLAG_NONE;
987 ccb->ccb_h.ccb_sdev_ptr = sdev;
989 /* The scan is in progress now. */
991 xpt_release_devq(sdev->path, sdev->freeze, TRUE);
996 sbp_scan_dev(struct sbp_dev *sdev)
998 sdev->status = SBP_DEV_PROBE;
999 callout_reset(&sdev->target->scan_callout, scan_delay * hz / 1000,
1000 sbp_cam_scan_target, (void *)sdev->target);
1004 sbp_do_attach(struct fw_xfer *xfer)
1006 struct sbp_dev *sdev;
1007 struct sbp_target *target;
1009 sdev = (struct sbp_dev *)xfer->sc;
1010 target = sdev->target;
1012 sbp_show_sdev_info(sdev, 2);
1013 kprintf("sbp_do_attach\n");
1015 sbp_xfer_free(xfer);
1017 if (sdev->path == NULL)
1018 xpt_create_path(&sdev->path, xpt_periph,
1019 cam_sim_path(target->sbp->sim),
1020 target->target_id, sdev->lun_id);
1024 * Let CAM scan the bus if we are in the boot process.
1025 * XXX xpt_scan_bus cannot detect LUN larger than 0
1026 * if LUN 0 doesn't exists.
1029 sdev->status = SBP_DEV_ATTACHED;
1039 sbp_agent_reset_callback(struct fw_xfer *xfer)
1041 struct sbp_dev *sdev;
1043 sdev = (struct sbp_dev *)xfer->sc;
1045 sbp_show_sdev_info(sdev, 2);
1046 kprintf("%s\n", __func__);
1048 if (xfer->resp != 0) {
1049 sbp_show_sdev_info(sdev, 2);
1050 kprintf("%s: resp=%d\n", __func__, xfer->resp);
1053 sbp_xfer_free(xfer);
1055 xpt_release_devq(sdev->path, sdev->freeze, TRUE);
1061 sbp_agent_reset(struct sbp_dev *sdev)
1063 struct fw_xfer *xfer;
1067 sbp_show_sdev_info(sdev, 2);
1068 kprintf("sbp_agent_reset\n");
1070 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0x04);
1073 if (sdev->status == SBP_DEV_ATTACHED || sdev->status == SBP_DEV_PROBE)
1074 xfer->act.hand = sbp_agent_reset_callback;
1076 xfer->act.hand = sbp_do_attach;
1077 fp = &xfer->send.hdr;
1078 fp->mode.wreqq.data = htonl(0xf);
1079 fw_asyreq(xfer->fc, -1, xfer);
1080 sbp_abort_all_ocbs(sdev, CAM_BDR_SENT);
1084 sbp_busy_timeout_callback(struct fw_xfer *xfer)
1086 struct sbp_dev *sdev;
1088 sdev = (struct sbp_dev *)xfer->sc;
1090 sbp_show_sdev_info(sdev, 2);
1091 kprintf("sbp_busy_timeout_callback\n");
1093 sbp_xfer_free(xfer);
1094 sbp_agent_reset(sdev);
1098 sbp_busy_timeout(struct sbp_dev *sdev)
1101 struct fw_xfer *xfer;
1103 sbp_show_sdev_info(sdev, 2);
1104 kprintf("sbp_busy_timeout\n");
1106 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0);
1108 xfer->act.hand = sbp_busy_timeout_callback;
1109 fp = &xfer->send.hdr;
1110 fp->mode.wreqq.dest_hi = 0xffff;
1111 fp->mode.wreqq.dest_lo = 0xf0000000 | BUSY_TIMEOUT;
1112 fp->mode.wreqq.data = htonl((1 << (13+12)) | 0xf);
1113 fw_asyreq(xfer->fc, -1, xfer);
1117 sbp_orb_pointer_callback(struct fw_xfer *xfer)
1119 struct sbp_dev *sdev;
1120 sdev = (struct sbp_dev *)xfer->sc;
1123 sbp_show_sdev_info(sdev, 2);
1124 kprintf("%s\n", __func__);
1126 if (xfer->resp != 0) {
1128 kprintf("%s: xfer->resp = %d\n", __func__, xfer->resp);
1130 sbp_xfer_free(xfer);
1131 sdev->flags &= ~ORB_POINTER_ACTIVE;
1133 if ((sdev->flags & ORB_POINTER_NEED) != 0) {
1134 struct sbp_ocb *ocb;
1136 sdev->flags &= ~ORB_POINTER_NEED;
1137 ocb = STAILQ_FIRST(&sdev->ocbs);
1139 sbp_orb_pointer(sdev, ocb);
1145 sbp_orb_pointer(struct sbp_dev *sdev, struct sbp_ocb *ocb)
1147 struct fw_xfer *xfer;
1150 sbp_show_sdev_info(sdev, 2);
1151 kprintf("%s: 0x%08x\n", __func__, (u_int32_t)ocb->bus_addr);
1154 if ((sdev->flags & ORB_POINTER_ACTIVE) != 0) {
1156 kprintf("%s: orb pointer active\n", __func__);
1158 sdev->flags |= ORB_POINTER_NEED;
1162 sdev->flags |= ORB_POINTER_ACTIVE;
1163 xfer = sbp_write_cmd(sdev, FWTCODE_WREQB, 0x08);
1166 xfer->act.hand = sbp_orb_pointer_callback;
1168 fp = &xfer->send.hdr;
1169 fp->mode.wreqb.len = 8;
1170 fp->mode.wreqb.extcode = 0;
1171 xfer->send.payload[0] =
1172 htonl(((sdev->target->sbp->fd.fc->nodeid | FWLOCALBUS )<< 16));
1173 xfer->send.payload[1] = htonl((u_int32_t)ocb->bus_addr);
1175 if(fw_asyreq(xfer->fc, -1, xfer) != 0){
1176 sbp_xfer_free(xfer);
1177 ocb->ccb->ccb_h.status = CAM_REQ_INVALID;
1184 sbp_cmd_callback(struct fw_xfer *xfer)
1187 struct sbp_dev *sdev;
1188 sdev = (struct sbp_dev *)xfer->sc;
1189 sbp_show_sdev_info(sdev, 2);
1190 kprintf("sbp_cmd_callback\n");
1192 if (xfer->resp != 0) {
1194 kprintf("%s: xfer->resp = %d\n", __func__, xfer->resp);
1196 sbp_xfer_free(xfer);
1201 sbp_doorbell(struct sbp_dev *sdev)
1203 struct fw_xfer *xfer;
1206 sbp_show_sdev_info(sdev, 2);
1207 kprintf("sbp_doorbell\n");
1210 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0x10);
1213 xfer->act.hand = sbp_cmd_callback;
1214 fp = (struct fw_pkt *)xfer->send.buf;
1215 fp->mode.wreqq.data = htonl(0xf);
1216 fw_asyreq(xfer->fc, -1, xfer);
1220 static struct fw_xfer *
1221 sbp_write_cmd(struct sbp_dev *sdev, int tcode, int offset)
1223 struct fw_xfer *xfer;
1225 struct sbp_target *target;
1228 target = sdev->target;
1230 xfer = STAILQ_FIRST(&target->xferlist);
1232 if (target->n_xfer > 5 /* XXX */) {
1233 kprintf("sbp: no more xfer for this target\n");
1237 xfer = fw_xfer_alloc_buf(M_SBP, 8, 0);
1239 kprintf("sbp: fw_xfer_alloc_buf failed\n");
1245 kprintf("sbp: alloc %d xfer\n", target->n_xfer);
1248 STAILQ_REMOVE_HEAD(&target->xferlist, link);
1252 microtime(&xfer->tv);
1255 xfer->recv.pay_len = 0;
1256 xfer->send.spd = min(sdev->target->fwdev->speed, max_speed);
1257 xfer->fc = sdev->target->sbp->fd.fc;
1258 xfer->retry_req = fw_asybusy;
1261 if (tcode == FWTCODE_WREQB)
1262 xfer->send.pay_len = 8;
1264 xfer->send.pay_len = 0;
1266 xfer->sc = (caddr_t)sdev;
1267 fp = &xfer->send.hdr;
1268 fp->mode.wreqq.dest_hi = sdev->login->cmd_hi;
1269 fp->mode.wreqq.dest_lo = sdev->login->cmd_lo + offset;
1270 fp->mode.wreqq.tlrt = 0;
1271 fp->mode.wreqq.tcode = tcode;
1272 fp->mode.wreqq.pri = 0;
1273 fp->mode.wreqq.dst = FWLOCALBUS | sdev->target->fwdev->dst;
1280 sbp_mgm_orb(struct sbp_dev *sdev, int func, struct sbp_ocb *aocb)
1282 struct fw_xfer *xfer;
1284 struct sbp_ocb *ocb;
1285 struct sbp_target *target;
1288 target = sdev->target;
1289 nid = target->sbp->fd.fc->nodeid | FWLOCALBUS;
1292 if (func == ORB_FUN_RUNQUEUE) {
1293 ocb = STAILQ_FIRST(&target->mgm_ocb_queue);
1294 if (target->mgm_ocb_cur != NULL || ocb == NULL) {
1298 STAILQ_REMOVE_HEAD(&target->mgm_ocb_queue, ocb);
1301 if ((ocb = sbp_get_ocb(sdev)) == NULL) {
1306 ocb->flags = OCB_ACT_MGM;
1309 bzero((void *)ocb->orb, sizeof(ocb->orb));
1310 ocb->orb[6] = htonl((nid << 16) | SBP_BIND_HI);
1311 ocb->orb[7] = htonl(SBP_DEV2ADDR(target->target_id, sdev->lun_id));
1314 sbp_show_sdev_info(sdev, 2);
1315 kprintf("%s\n", orb_fun_name[(func>>16)&0xf]);
1319 ocb->orb[0] = ocb->orb[1] = 0; /* password */
1320 ocb->orb[2] = htonl(nid << 16);
1321 ocb->orb[3] = htonl(sdev->dma.bus_addr);
1322 ocb->orb[4] = htonl(ORB_NOTIFY | sdev->lun_id);
1324 ocb->orb[4] |= htonl(ORB_EXV);
1325 ocb->orb[5] = htonl(SBP_LOGIN_SIZE);
1326 fwdma_sync(&sdev->dma, BUS_DMASYNC_PREREAD);
1329 ocb->orb[0] = htonl((0 << 16) | 0);
1330 ocb->orb[1] = htonl(aocb->bus_addr & 0xffffffff);
1337 ocb->orb[4] = htonl(ORB_NOTIFY | func | sdev->login->id);
1341 if (target->mgm_ocb_cur != NULL) {
1342 /* there is a standing ORB */
1343 STAILQ_INSERT_TAIL(&sdev->target->mgm_ocb_queue, ocb, ocb);
1348 target->mgm_ocb_cur = ocb;
1351 callout_reset(&target->mgm_ocb_timeout, 5*hz,
1352 sbp_mgm_timeout, (caddr_t)ocb);
1353 xfer = sbp_write_cmd(sdev, FWTCODE_WREQB, 0);
1357 xfer->act.hand = sbp_mgm_callback;
1359 fp = &xfer->send.hdr;
1360 fp->mode.wreqb.dest_hi = sdev->target->mgm_hi;
1361 fp->mode.wreqb.dest_lo = sdev->target->mgm_lo;
1362 fp->mode.wreqb.len = 8;
1363 fp->mode.wreqb.extcode = 0;
1364 xfer->send.payload[0] = htonl(nid << 16);
1365 xfer->send.payload[1] = htonl(ocb->bus_addr & 0xffffffff);
1367 sbp_show_sdev_info(sdev, 2);
1368 kprintf("mgm orb: %08x\n", (u_int32_t)ocb->bus_addr);
1371 fw_asyreq(xfer->fc, -1, xfer);
1375 sbp_print_scsi_cmd(struct sbp_ocb *ocb)
1377 struct ccb_scsiio *csio;
1379 csio = &ocb->ccb->csio;
1380 kprintf("%s:%d:%d XPT_SCSI_IO: "
1381 "cmd: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x"
1383 "%db cmd/%db data/%db sense\n",
1384 device_get_nameunit(ocb->sdev->target->sbp->fd.dev),
1385 ocb->ccb->ccb_h.target_id, ocb->ccb->ccb_h.target_lun,
1386 csio->cdb_io.cdb_bytes[0],
1387 csio->cdb_io.cdb_bytes[1],
1388 csio->cdb_io.cdb_bytes[2],
1389 csio->cdb_io.cdb_bytes[3],
1390 csio->cdb_io.cdb_bytes[4],
1391 csio->cdb_io.cdb_bytes[5],
1392 csio->cdb_io.cdb_bytes[6],
1393 csio->cdb_io.cdb_bytes[7],
1394 csio->cdb_io.cdb_bytes[8],
1395 csio->cdb_io.cdb_bytes[9],
1396 ocb->ccb->ccb_h.flags & CAM_DIR_MASK,
1397 csio->cdb_len, csio->dxfer_len,
1402 sbp_scsi_status(struct sbp_status *sbp_status, struct sbp_ocb *ocb)
1404 struct sbp_cmd_status *sbp_cmd_status;
1405 struct scsi_sense_data *sense;
1407 sbp_cmd_status = (struct sbp_cmd_status *)sbp_status->data;
1408 sense = &ocb->ccb->csio.sense_data;
1411 sbp_print_scsi_cmd(ocb);
1412 /* XXX need decode status */
1413 sbp_show_sdev_info(ocb->sdev, 2);
1414 kprintf("SCSI status %x sfmt %x valid %x key %x code %x qlfr %x len %d\n",
1415 sbp_cmd_status->status,
1416 sbp_cmd_status->sfmt,
1417 sbp_cmd_status->valid,
1418 sbp_cmd_status->s_key,
1419 sbp_cmd_status->s_code,
1420 sbp_cmd_status->s_qlfr,
1425 switch (sbp_cmd_status->status) {
1426 case SCSI_STATUS_CHECK_COND:
1427 case SCSI_STATUS_BUSY:
1428 case SCSI_STATUS_CMD_TERMINATED:
1429 if(sbp_cmd_status->sfmt == SBP_SFMT_CURR){
1430 sense->error_code = SSD_CURRENT_ERROR;
1432 sense->error_code = SSD_DEFERRED_ERROR;
1434 if(sbp_cmd_status->valid)
1435 sense->error_code |= SSD_ERRCODE_VALID;
1436 sense->flags = sbp_cmd_status->s_key;
1437 if(sbp_cmd_status->mark)
1438 sense->flags |= SSD_FILEMARK;
1439 if(sbp_cmd_status->eom)
1440 sense->flags |= SSD_EOM;
1441 if(sbp_cmd_status->ill_len)
1442 sense->flags |= SSD_ILI;
1444 bcopy(&sbp_cmd_status->info, &sense->info[0], 4);
1446 if (sbp_status->len <= 1)
1447 /* XXX not scsi status. shouldn't be happened */
1448 sense->extra_len = 0;
1449 else if (sbp_status->len <= 4)
1450 /* add_sense_code(_qual), info, cmd_spec_info */
1451 sense->extra_len = 6;
1453 /* fru, sense_key_spec */
1454 sense->extra_len = 10;
1456 bcopy(&sbp_cmd_status->cdb, &sense->cmd_spec_info[0], 4);
1458 sense->add_sense_code = sbp_cmd_status->s_code;
1459 sense->add_sense_code_qual = sbp_cmd_status->s_qlfr;
1460 sense->fru = sbp_cmd_status->fru;
1462 bcopy(&sbp_cmd_status->s_keydep[0],
1463 &sense->sense_key_spec[0], 3);
1465 ocb->ccb->csio.scsi_status = sbp_cmd_status->status;
1466 ocb->ccb->ccb_h.status = CAM_SCSI_STATUS_ERROR
1467 | CAM_AUTOSNS_VALID;
1472 for( j = 0 ; j < 32 ; j+=8){
1473 kprintf("sense %02x%02x %02x%02x %02x%02x %02x%02x\n",
1474 tmp[j], tmp[j+1], tmp[j+2], tmp[j+3],
1475 tmp[j+4], tmp[j+5], tmp[j+6], tmp[j+7]);
1482 sbp_show_sdev_info(ocb->sdev, 2);
1483 kprintf("sbp_scsi_status: unknown scsi status 0x%x\n",
1484 sbp_cmd_status->status);
1489 sbp_fix_inq_data(struct sbp_ocb *ocb)
1492 struct sbp_dev *sdev;
1493 struct scsi_inquiry_data *inq;
1498 if (ccb->csio.cdb_io.cdb_bytes[1] & SI_EVPD)
1501 sbp_show_sdev_info(sdev, 2);
1502 kprintf("sbp_fix_inq_data\n");
1504 inq = (struct scsi_inquiry_data *) ccb->csio.data_ptr;
1505 switch (SID_TYPE(inq)) {
1509 * XXX Convert Direct Access device to RBC.
1510 * I've never seen FireWire DA devices which support READ_6.
1512 if (SID_TYPE(inq) == T_DIRECT)
1513 inq->device |= T_RBC; /* T_DIRECT == 0 */
1517 /* enable tagged queuing */
1519 inq->flags |= SID_CmdQue;
1521 inq->flags &= ~SID_CmdQue;
1523 * Override vendor/product/revision information.
1524 * Some devices sometimes return strange strings.
1527 bcopy(sdev->vendor, inq->vendor, sizeof(inq->vendor));
1528 bcopy(sdev->product, inq->product, sizeof(inq->product));
1529 bcopy(sdev->revision+2, inq->revision, sizeof(inq->revision));
1536 sbp_recv1(struct fw_xfer *xfer)
1542 struct sbp_softc *sbp;
1543 struct sbp_dev *sdev;
1544 struct sbp_ocb *ocb;
1545 struct sbp_login_res *login_res = NULL;
1546 struct sbp_status *sbp_status;
1547 struct sbp_target *target;
1548 int orb_fun, status_valid0, status_valid, t, l, reset_agent = 0;
1552 ld = xfer->recv.buf;
1553 kprintf("sbp %x %d %d %08x %08x %08x %08x\n",
1554 xfer->resp, xfer->recv.len, xfer->recv.off, ntohl(ld[0]), ntohl(ld[1]), ntohl(ld[2]), ntohl(ld[3]));
1555 kprintf("sbp %08x %08x %08x %08x\n", ntohl(ld[4]), ntohl(ld[5]), ntohl(ld[6]), ntohl(ld[7]));
1556 kprintf("sbp %08x %08x %08x %08x\n", ntohl(ld[8]), ntohl(ld[9]), ntohl(ld[10]), ntohl(ld[11]));
1558 sbp = (struct sbp_softc *)xfer->sc;
1559 if (xfer->resp != 0){
1560 kprintf("sbp_recv: xfer->resp = %d\n", xfer->resp);
1563 if (xfer->recv.payload == NULL){
1564 kprintf("sbp_recv: xfer->recv.payload == NULL\n");
1567 rfp = &xfer->recv.hdr;
1568 if(rfp->mode.wreqb.tcode != FWTCODE_WREQB){
1569 kprintf("sbp_recv: tcode = %d\n", rfp->mode.wreqb.tcode);
1572 sbp_status = (struct sbp_status *)xfer->recv.payload;
1573 addr = rfp->mode.wreqb.dest_lo;
1575 kprintf("received address 0x%x\n", addr);
1577 t = SBP_ADDR2TRG(addr);
1578 if (t >= SBP_NUM_TARGETS) {
1579 device_printf(sbp->fd.dev,
1580 "sbp_recv1: invalid target %d\n", t);
1583 target = &sbp->targets[t];
1584 l = SBP_ADDR2LUN(addr);
1585 if (l >= target->num_lun || target->luns[l] == NULL) {
1586 device_printf(sbp->fd.dev,
1587 "sbp_recv1: invalid lun %d (target=%d)\n", l, t);
1590 sdev = target->luns[l];
1593 switch (sbp_status->src) {
1596 /* check mgm_ocb_cur first */
1597 ocb = target->mgm_ocb_cur;
1599 if (OCB_MATCH(ocb, sbp_status)) {
1600 callout_stop(&target->mgm_ocb_timeout);
1601 target->mgm_ocb_cur = NULL;
1605 ocb = sbp_dequeue_ocb(sdev, sbp_status);
1607 sbp_show_sdev_info(sdev, 2);
1608 kprintf("No ocb(%x) on the queue\n",
1609 ntohl(sbp_status->orb_lo));
1614 sbp_show_sdev_info(sdev, 2);
1615 kprintf("unsolicit status received\n");
1618 sbp_show_sdev_info(sdev, 2);
1619 kprintf("unknown sbp_status->src\n");
1622 status_valid0 = (sbp_status->src < 2
1623 && sbp_status->resp == ORB_RES_CMPL
1624 && sbp_status->dead == 0);
1625 status_valid = (status_valid0 && sbp_status->status == 0);
1627 if (!status_valid0 || debug > 2){
1630 sbp_show_sdev_info(sdev, 2);
1631 kprintf("ORB status src:%x resp:%x dead:%x"
1632 " len:%x stat:%x orb:%x%08x\n",
1633 sbp_status->src, sbp_status->resp, sbp_status->dead,
1634 sbp_status->len, sbp_status->status,
1635 ntohs(sbp_status->orb_hi), ntohl(sbp_status->orb_lo));
1637 sbp_show_sdev_info(sdev, 2);
1638 status = sbp_status->status;
1639 switch(sbp_status->resp) {
1641 if (status > MAX_ORB_STATUS0)
1642 kprintf("%s\n", orb_status0[MAX_ORB_STATUS0]);
1644 kprintf("%s\n", orb_status0[status]);
1647 kprintf("Obj: %s, Error: %s\n",
1648 orb_status1_object[(status>>6) & 3],
1649 orb_status1_serial_bus_error[status & 0xf]);
1652 kprintf("Illegal request\n");
1655 kprintf("Vendor dependent\n");
1658 kprintf("unknown respose code %d\n", sbp_status->resp);
1662 /* we have to reset the fetch agent if it's dead */
1663 if (sbp_status->dead) {
1665 xpt_freeze_devq(sdev->path, 1);
1674 switch(ntohl(ocb->orb[4]) & ORB_FMT_MSK){
1680 switch(ocb->flags) {
1682 orb_fun = ntohl(ocb->orb[4]) & ORB_FUN_MSK;
1686 fwdma_sync(&sdev->dma, BUS_DMASYNC_POSTREAD);
1687 login_res = sdev->login;
1688 login_res->len = ntohs(login_res->len);
1689 login_res->id = ntohs(login_res->id);
1690 login_res->cmd_hi = ntohs(login_res->cmd_hi);
1691 login_res->cmd_lo = ntohl(login_res->cmd_lo);
1694 sbp_show_sdev_info(sdev, 2);
1695 kprintf("login: len %d, ID %d, cmd %08x%08x, recon_hold %d\n", login_res->len, login_res->id, login_res->cmd_hi, login_res->cmd_lo, ntohs(login_res->recon_hold));
1697 sbp_busy_timeout(sdev);
1699 /* forgot logout? */
1700 sbp_show_sdev_info(sdev, 2);
1701 kprintf("login failed\n");
1702 sdev->status = SBP_DEV_RESET;
1706 login_res = sdev->login;
1709 sbp_show_sdev_info(sdev, 2);
1710 kprintf("reconnect: len %d, ID %d, cmd %08x%08x\n", login_res->len, login_res->id, login_res->cmd_hi, login_res->cmd_lo);
1713 if (sdev->status == SBP_DEV_ATTACHED)
1716 sbp_agent_reset(sdev);
1718 sdev->status = SBP_DEV_ATTACHED;
1719 sbp_mgm_orb(sdev, ORB_FUN_ATS, NULL);
1722 /* reconnection hold time exceed? */
1724 sbp_show_sdev_info(sdev, 2);
1725 kprintf("reconnect failed\n");
1731 sdev->status = SBP_DEV_RESET;
1734 sbp_busy_timeout(sdev);
1739 sbp_agent_reset(sdev);
1742 sbp_show_sdev_info(sdev, 2);
1743 kprintf("unknown function %d\n", orb_fun);
1746 sbp_mgm_orb(sdev, ORB_FUN_RUNQUEUE, NULL);
1750 if(ocb->ccb != NULL){
1754 ld = ocb->ccb->csio.data_ptr;
1755 if(ld != NULL && ocb->ccb->csio.dxfer_len != 0)
1756 kprintf("ptr %08x %08x %08x %08x\n", ld[0], ld[1], ld[2], ld[3]);
1758 kprintf("ptr NULL\n");
1759 kprintf("len %d\n", sbp_status->len);
1762 if(sbp_status->len > 1){
1763 sbp_scsi_status(sbp_status, ocb);
1765 if(sbp_status->resp != ORB_RES_CMPL){
1766 ccb->ccb_h.status = CAM_REQ_CMP_ERR;
1768 ccb->ccb_h.status = CAM_REQ_CMP;
1771 /* fix up inq data */
1772 if (ccb->csio.cdb_io.cdb_bytes[0] == INQUIRY)
1773 sbp_fix_inq_data(ocb);
1782 sbp_free_ocb(sdev, ocb);
1785 sbp_agent_reset(sdev);
1788 xfer->recv.pay_len = SBP_RECV_LEN;
1789 /* The received packet is usually small enough to be stored within
1790 * the buffer. In that case, the controller return ack_complete and
1791 * no respose is necessary.
1793 * XXX fwohci.c and firewire.c should inform event_code such as
1794 * ack_complete or ack_pending to upper driver.
1798 sfp = (struct fw_pkt *)xfer->send.buf;
1799 sfp->mode.wres.dst = rfp->mode.wreqb.src;
1800 xfer->dst = sfp->mode.wres.dst;
1801 xfer->spd = min(sdev->target->fwdev->speed, max_speed);
1802 xfer->act.hand = sbp_loginres_callback;
1803 xfer->retry_req = fw_asybusy;
1805 sfp->mode.wres.tlrt = rfp->mode.wreqb.tlrt;
1806 sfp->mode.wres.tcode = FWTCODE_WRES;
1807 sfp->mode.wres.rtcode = 0;
1808 sfp->mode.wres.pri = 0;
1810 fw_asyreq(xfer->fc, -1, xfer);
1813 STAILQ_INSERT_TAIL(&sbp->fwb.xferlist, xfer, link);
1821 sbp_recv(struct fw_xfer *xfer)
1831 sbp_attach(device_t dev)
1833 struct sbp_softc *sbp;
1834 struct cam_devq *devq;
1835 struct fw_xfer *xfer;
1839 kprintf("sbp_attach (cold=%d)\n", cold);
1846 sbp = ((struct sbp_softc *)device_get_softc(dev));
1847 bzero(sbp, sizeof(struct sbp_softc));
1849 sbp->fd.fc = device_get_ivars(dev);
1852 max_speed = sbp->fd.fc->speed;
1854 error = bus_dma_tag_create(/*parent*/sbp->fd.fc->dmat,
1855 /* XXX shoud be 4 for sane backend? */
1858 /*lowaddr*/BUS_SPACE_MAXADDR_32BIT,
1859 /*highaddr*/BUS_SPACE_MAXADDR,
1860 /*filter*/NULL, /*filterarg*/NULL,
1861 /*maxsize*/0x100000, /*nsegments*/SBP_IND_MAX,
1862 /*maxsegsz*/SBP_SEG_MAX,
1863 /*flags*/BUS_DMA_ALLOCNOW,
1864 #if defined(__FreeBSD__) && __FreeBSD_version >= 501102
1865 /*lockfunc*/busdma_lock_mutex,
1870 kprintf("sbp_attach: Could not allocate DMA tag "
1871 "- error %d\n", error);
1875 devq = cam_simq_alloc(/*maxopenings*/SBP_NUM_OCB);
1879 for( i = 0 ; i < SBP_NUM_TARGETS ; i++){
1880 sbp->targets[i].fwdev = NULL;
1881 sbp->targets[i].luns = NULL;
1884 sbp->sim = cam_sim_alloc(sbp_action, sbp_poll, "sbp", sbp,
1885 device_get_unit(dev),
1888 /*tagged*/ SBP_QUEUE_LEN - 1,
1890 cam_simq_release(devq);
1891 if (sbp->sim == NULL)
1894 if (xpt_bus_register(sbp->sim, /*bus*/0) != CAM_SUCCESS)
1897 if (xpt_create_path(&sbp->path, xpt_periph, cam_sim_path(sbp->sim),
1898 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
1899 xpt_bus_deregister(cam_sim_path(sbp->sim));
1903 /* We reserve 16 bit space (4 bytes X 64 targets X 256 luns) */
1904 sbp->fwb.start = ((u_int64_t)SBP_BIND_HI << 32) | SBP_DEV2ADDR(0, 0);
1905 sbp->fwb.end = sbp->fwb.start + 0xffff;
1906 sbp->fwb.act_type = FWACT_XFER;
1907 /* pre-allocate xfer */
1908 STAILQ_INIT(&sbp->fwb.xferlist);
1909 for (i = 0; i < SBP_NUM_OCB/2; i ++) {
1910 xfer = fw_xfer_alloc_buf(M_SBP,
1912 /* recv */SBP_RECV_LEN);
1913 xfer->act.hand = sbp_recv;
1915 xfer->fc = sbp->fd.fc;
1917 xfer->sc = (caddr_t)sbp;
1918 STAILQ_INSERT_TAIL(&sbp->fwb.xferlist, xfer, link);
1920 fw_bindadd(sbp->fd.fc, &sbp->fwb);
1922 sbp->fd.post_busreset = sbp_post_busreset;
1923 sbp->fd.post_explore = sbp_post_explore;
1925 if (sbp->fd.fc->status != -1) {
1927 sbp_post_busreset((void *)sbp);
1928 sbp_post_explore((void *)sbp);
1931 xpt_async(AC_BUS_RESET, sbp->path, /*arg*/ NULL);
1935 cam_sim_free(sbp->sim);
1940 sbp_logout_all(struct sbp_softc *sbp)
1942 struct sbp_target *target;
1943 struct sbp_dev *sdev;
1947 kprintf("sbp_logout_all\n");
1949 for (i = 0 ; i < SBP_NUM_TARGETS ; i ++) {
1950 target = &sbp->targets[i];
1951 if (target->luns == NULL)
1953 for (j = 0; j < target->num_lun; j++) {
1954 sdev = target->luns[j];
1957 callout_stop(&sdev->login_callout);
1958 if (sdev->status >= SBP_DEV_TOATTACH &&
1959 sdev->status <= SBP_DEV_ATTACHED)
1960 sbp_mgm_orb(sdev, ORB_FUN_LGO, NULL);
1968 sbp_shutdown(device_t dev)
1970 struct sbp_softc *sbp = ((struct sbp_softc *)device_get_softc(dev));
1972 sbp_logout_all(sbp);
1977 sbp_free_sdev(struct sbp_dev *sdev)
1983 for (i = 0; i < SBP_QUEUE_LEN; i++)
1984 bus_dmamap_destroy(sdev->target->sbp->dmat,
1985 sdev->ocb[i].dmamap);
1986 fwdma_free(sdev->target->sbp->fd.fc, &sdev->dma);
1991 sbp_free_target(struct sbp_target *target)
1993 struct fw_xfer *xfer, *next;
1996 if (target->luns == NULL)
1998 callout_stop(&target->mgm_ocb_timeout);
1999 for (i = 0; i < target->num_lun; i++)
2000 sbp_free_sdev(target->luns[i]);
2002 for (xfer = STAILQ_FIRST(&target->xferlist);
2003 xfer != NULL; xfer = next) {
2004 next = STAILQ_NEXT(xfer, link);
2005 fw_xfer_free_buf(xfer);
2007 STAILQ_INIT(&target->xferlist);
2008 kfree(target->luns, M_SBP);
2009 target->num_lun = 0;
2010 target->luns = NULL;
2011 target->fwdev = NULL;
2015 sbp_detach(device_t dev)
2017 struct sbp_softc *sbp = ((struct sbp_softc *)device_get_softc(dev));
2018 struct firewire_comm *fc = sbp->fd.fc;
2019 struct fw_xfer *xfer, *next;
2023 kprintf("sbp_detach\n");
2026 for (i = 0; i < SBP_NUM_TARGETS; i ++)
2027 sbp_cam_detach_target(&sbp->targets[i]);
2028 xpt_async(AC_LOST_DEVICE, sbp->path, NULL);
2029 xpt_free_path(sbp->path);
2030 xpt_bus_deregister(cam_sim_path(sbp->sim));
2031 cam_sim_free(sbp->sim);
2033 sbp_logout_all(sbp);
2035 /* XXX wait for logout completion */
2036 tsleep(&i, FWPRI, "sbpdtc", hz/2);
2038 for (i = 0 ; i < SBP_NUM_TARGETS ; i ++)
2039 sbp_free_target(&sbp->targets[i]);
2041 for (xfer = STAILQ_FIRST(&sbp->fwb.xferlist);
2042 xfer != NULL; xfer = next) {
2043 next = STAILQ_NEXT(xfer, link);
2044 fw_xfer_free_buf(xfer);
2046 STAILQ_INIT(&sbp->fwb.xferlist);
2047 fw_bindremove(fc, &sbp->fwb);
2049 bus_dma_tag_destroy(sbp->dmat);
2055 sbp_cam_detach_sdev(struct sbp_dev *sdev)
2059 if (sdev->status == SBP_DEV_DEAD)
2061 if (sdev->status == SBP_DEV_RESET)
2064 xpt_release_devq(sdev->path,
2065 sdev->freeze, TRUE);
2067 xpt_async(AC_LOST_DEVICE, sdev->path, NULL);
2068 xpt_free_path(sdev->path);
2071 sbp_abort_all_ocbs(sdev, CAM_DEV_NOT_THERE);
2075 sbp_cam_detach_target(struct sbp_target *target)
2079 if (target->luns != NULL) {
2081 kprintf("sbp_detach_target %d\n", target->target_id);
2083 callout_stop(&target->scan_callout);
2084 for (i = 0; i < target->num_lun; i++)
2085 sbp_cam_detach_sdev(target->luns[i]);
2090 sbp_target_reset(struct sbp_dev *sdev, int method)
2093 struct sbp_target *target = sdev->target;
2094 struct sbp_dev *tsdev;
2096 for (i = 0; i < target->num_lun; i++) {
2097 tsdev = target->luns[i];
2100 if (tsdev->status == SBP_DEV_DEAD)
2102 if (tsdev->status == SBP_DEV_RESET)
2104 xpt_freeze_devq(tsdev->path, 1);
2106 sbp_abort_all_ocbs(tsdev, CAM_CMD_TIMEOUT);
2108 tsdev->status = SBP_DEV_LOGIN;
2112 kprintf("target reset\n");
2113 sbp_mgm_orb(sdev, ORB_FUN_RST, NULL);
2116 kprintf("reset start\n");
2117 sbp_reset_start(sdev);
2124 sbp_mgm_timeout(void *arg)
2126 struct sbp_ocb *ocb = (struct sbp_ocb *)arg;
2127 struct sbp_dev *sdev = ocb->sdev;
2128 struct sbp_target *target = sdev->target;
2130 sbp_show_sdev_info(sdev, 2);
2131 kprintf("request timeout(mgm orb:0x%08x) ... ",
2132 (u_int32_t)ocb->bus_addr);
2133 target->mgm_ocb_cur = NULL;
2134 sbp_free_ocb(sdev, ocb);
2137 kprintf("run next request\n");
2138 sbp_mgm_orb(sdev, ORB_FUN_RUNQUEUE, NULL);
2141 kprintf("reset start\n");
2142 sbp_reset_start(sdev);
2147 sbp_timeout(void *arg)
2149 struct sbp_ocb *ocb = (struct sbp_ocb *)arg;
2150 struct sbp_dev *sdev = ocb->sdev;
2152 sbp_show_sdev_info(sdev, 2);
2153 kprintf("request timeout(cmd orb:0x%08x) ... ",
2154 (u_int32_t)ocb->bus_addr);
2157 switch(sdev->timeout) {
2159 kprintf("agent reset\n");
2160 xpt_freeze_devq(sdev->path, 1);
2162 sbp_abort_all_ocbs(sdev, CAM_CMD_TIMEOUT);
2163 sbp_agent_reset(sdev);
2167 sbp_target_reset(sdev, sdev->timeout - 1);
2172 sbp_cam_detach_target(target);
2173 if (target->luns != NULL)
2174 kfree(target->luns, M_SBP);
2175 target->num_lun = 0;
2176 target->luns = NULL;
2177 target->fwdev = NULL;
2183 sbp_action1(struct cam_sim *sim, union ccb *ccb)
2186 struct sbp_softc *sbp = (struct sbp_softc *)sim->softc;
2187 struct sbp_target *target = NULL;
2188 struct sbp_dev *sdev = NULL;
2190 /* target:lun -> sdev mapping */
2192 && ccb->ccb_h.target_id != CAM_TARGET_WILDCARD
2193 && ccb->ccb_h.target_id < SBP_NUM_TARGETS) {
2194 target = &sbp->targets[ccb->ccb_h.target_id];
2195 if (target->fwdev != NULL
2196 && ccb->ccb_h.target_lun != CAM_LUN_WILDCARD
2197 && ccb->ccb_h.target_lun < target->num_lun) {
2198 sdev = target->luns[ccb->ccb_h.target_lun];
2199 if (sdev != NULL && sdev->status != SBP_DEV_ATTACHED &&
2200 sdev->status != SBP_DEV_PROBE)
2207 kprintf("invalid target %d lun %d\n",
2208 ccb->ccb_h.target_id, ccb->ccb_h.target_lun);
2211 switch (ccb->ccb_h.func_code) {
2214 case XPT_GET_TRAN_SETTINGS:
2215 case XPT_SET_TRAN_SETTINGS:
2216 case XPT_CALC_GEOMETRY:
2219 kprintf("%s:%d:%d:func_code 0x%04x: "
2220 "Invalid target (target needed)\n",
2221 device_get_nameunit(sbp->fd.dev),
2222 ccb->ccb_h.target_id, ccb->ccb_h.target_lun,
2223 ccb->ccb_h.func_code);
2226 ccb->ccb_h.status = CAM_DEV_NOT_THERE;
2233 /* The opcodes sometimes aimed at a target (sc is valid),
2234 * sometimes aimed at the SIM (sc is invalid and target is
2235 * CAM_TARGET_WILDCARD)
2238 ccb->ccb_h.target_id != CAM_TARGET_WILDCARD) {
2240 kprintf("%s:%d:%d func_code 0x%04x: "
2241 "Invalid target (no wildcard)\n",
2242 device_get_nameunit(sbp->fd.dev),
2243 ccb->ccb_h.target_id, ccb->ccb_h.target_lun,
2244 ccb->ccb_h.func_code);
2246 ccb->ccb_h.status = CAM_DEV_NOT_THERE;
2252 /* XXX Hm, we should check the input parameters */
2256 switch (ccb->ccb_h.func_code) {
2259 struct ccb_scsiio *csio;
2260 struct sbp_ocb *ocb;
2267 kprintf("%s:%d:%d XPT_SCSI_IO: "
2268 "cmd: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x"
2270 "%db cmd/%db data/%db sense\n",
2271 device_get_nameunit(sbp->fd.dev),
2272 ccb->ccb_h.target_id, ccb->ccb_h.target_lun,
2273 csio->cdb_io.cdb_bytes[0],
2274 csio->cdb_io.cdb_bytes[1],
2275 csio->cdb_io.cdb_bytes[2],
2276 csio->cdb_io.cdb_bytes[3],
2277 csio->cdb_io.cdb_bytes[4],
2278 csio->cdb_io.cdb_bytes[5],
2279 csio->cdb_io.cdb_bytes[6],
2280 csio->cdb_io.cdb_bytes[7],
2281 csio->cdb_io.cdb_bytes[8],
2282 csio->cdb_io.cdb_bytes[9],
2283 ccb->ccb_h.flags & CAM_DIR_MASK,
2284 csio->cdb_len, csio->dxfer_len,
2288 ccb->ccb_h.status = CAM_DEV_NOT_THERE;
2293 /* if we are in probe stage, pass only probe commands */
2294 if (sdev->status == SBP_DEV_PROBE) {
2296 name = xpt_path_periph(ccb->ccb_h.path)->periph_name;
2297 kprintf("probe stage, periph name: %s\n", name);
2298 if (strcmp(name, "probe") != 0) {
2299 ccb->ccb_h.status = CAM_REQUEUE_REQ;
2305 if ((ocb = sbp_get_ocb(sdev)) == NULL) {
2306 ccb->ccb_h.status = CAM_REQUEUE_REQ;
2311 ocb->flags = OCB_ACT_CMD;
2314 ccb->ccb_h.ccb_sdev_ptr = sdev;
2315 ocb->orb[0] = htonl(1 << 31);
2317 ocb->orb[2] = htonl(((sbp->fd.fc->nodeid | FWLOCALBUS )<< 16) );
2318 ocb->orb[3] = htonl(ocb->bus_addr + IND_PTR_OFFSET);
2319 speed = min(target->fwdev->speed, max_speed);
2320 ocb->orb[4] = htonl(ORB_NOTIFY | ORB_CMD_SPD(speed)
2321 | ORB_CMD_MAXP(speed + 7));
2322 if((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN){
2323 ocb->orb[4] |= htonl(ORB_CMD_IN);
2326 if (csio->ccb_h.flags & CAM_SCATTER_VALID)
2327 kprintf("sbp: CAM_SCATTER_VALID\n");
2328 if (csio->ccb_h.flags & CAM_DATA_PHYS)
2329 kprintf("sbp: CAM_DATA_PHYS\n");
2331 if (csio->ccb_h.flags & CAM_CDB_POINTER)
2332 cdb = (void *)csio->cdb_io.cdb_ptr;
2334 cdb = (void *)&csio->cdb_io.cdb_bytes;
2335 bcopy(cdb, (void *)&ocb->orb[5], csio->cdb_len);
2337 kprintf("ORB %08x %08x %08x %08x\n", ntohl(ocb->orb[0]), ntohl(ocb->orb[1]), ntohl(ocb->orb[2]), ntohl(ocb->orb[3]));
2338 kprintf("ORB %08x %08x %08x %08x\n", ntohl(ocb->orb[4]), ntohl(ocb->orb[5]), ntohl(ocb->orb[6]), ntohl(ocb->orb[7]));
2340 if (ccb->csio.dxfer_len > 0) {
2344 error = bus_dmamap_load(/*dma tag*/sbp->dmat,
2345 /*dma map*/ocb->dmamap,
2347 ccb->csio.dxfer_len,
2353 kprintf("sbp: bus_dmamap_load error %d\n", error);
2355 sbp_execute_ocb(ocb, NULL, 0, 0);
2358 case XPT_CALC_GEOMETRY:
2360 struct ccb_calc_geometry *ccg;
2361 #if defined(__DragonFly__) || __FreeBSD_version < 501100
2363 u_int32_t secs_per_cylinder;
2368 if (ccg->block_size == 0) {
2369 kprintf("sbp_action1: block_size is 0.\n");
2370 ccb->ccb_h.status = CAM_REQ_INVALID;
2375 kprintf("%s:%d:%d:%d:XPT_CALC_GEOMETRY: Volume size = %ju\n",
2376 device_get_nameunit(sbp->fd.dev),
2377 cam_sim_path(sbp->sim),
2378 ccb->ccb_h.target_id, ccb->ccb_h.target_lun,
2379 (uintmax_t)ccg->volume_size);
2382 #if defined(__DragonFly__) || __FreeBSD_version < 501100
2383 size_mb = ccg->volume_size
2384 / ((1024L * 1024L) / ccg->block_size);
2386 if (size_mb > 1024 && extended) {
2388 ccg->secs_per_track = 63;
2391 ccg->secs_per_track = 32;
2393 secs_per_cylinder = ccg->heads * ccg->secs_per_track;
2394 ccg->cylinders = ccg->volume_size / secs_per_cylinder;
2395 ccb->ccb_h.status = CAM_REQ_CMP;
2397 cam_calc_geometry(ccg, /*extended*/1);
2402 case XPT_RESET_BUS: /* Reset the specified SCSI bus */
2406 kprintf("%s:%d:XPT_RESET_BUS: \n",
2407 device_get_nameunit(sbp->fd.dev), cam_sim_path(sbp->sim));
2410 ccb->ccb_h.status = CAM_REQ_INVALID;
2414 case XPT_PATH_INQ: /* Path routing inquiry */
2416 struct ccb_pathinq *cpi = &ccb->cpi;
2419 kprintf("%s:%d:%d XPT_PATH_INQ:.\n",
2420 device_get_nameunit(sbp->fd.dev),
2421 ccb->ccb_h.target_id, ccb->ccb_h.target_lun);
2423 cpi->version_num = 1; /* XXX??? */
2424 cpi->hba_inquiry = PI_TAG_ABLE;
2425 cpi->target_sprt = 0;
2426 cpi->hba_misc = PIM_NOBUSRESET | PIM_NO_6_BYTE;
2427 cpi->hba_eng_cnt = 0;
2428 cpi->max_target = SBP_NUM_TARGETS - 1;
2429 cpi->max_lun = SBP_NUM_LUNS - 1;
2430 cpi->initiator_id = SBP_INITIATOR;
2431 cpi->bus_id = sim->bus_id;
2432 cpi->base_transfer_speed = 400 * 1000 / 8;
2433 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
2434 strncpy(cpi->hba_vid, "SBP", HBA_IDLEN);
2435 strncpy(cpi->dev_name, sim->sim_name, DEV_IDLEN);
2436 cpi->unit_number = sim->unit_number;
2437 cpi->transport = XPORT_SPI; /* XX should have a FireWire */
2438 cpi->transport_version = 2;
2439 cpi->protocol = PROTO_SCSI;
2440 cpi->protocol_version = SCSI_REV_2;
2442 cpi->ccb_h.status = CAM_REQ_CMP;
2446 case XPT_GET_TRAN_SETTINGS:
2448 struct ccb_trans_settings *cts = &ccb->cts;
2449 struct ccb_trans_settings_scsi *scsi =
2450 &cts->proto_specific.scsi;
2451 struct ccb_trans_settings_spi *spi =
2452 &cts->xport_specific.spi;
2454 cts->protocol = PROTO_SCSI;
2455 cts->protocol_version = SCSI_REV_2;
2456 cts->transport = XPORT_SPI; /* should have a FireWire */
2457 cts->transport_version = 2;
2458 spi->valid = CTS_SPI_VALID_DISC;
2459 spi->flags = CTS_SPI_FLAGS_DISC_ENB;
2460 scsi->valid = CTS_SCSI_VALID_TQ;
2461 scsi->flags = CTS_SCSI_FLAGS_TAG_ENB;
2463 kprintf("%s:%d:%d XPT_GET_TRAN_SETTINGS:.\n",
2464 device_get_nameunit(sbp->fd.dev),
2465 ccb->ccb_h.target_id, ccb->ccb_h.target_lun);
2467 cts->ccb_h.status = CAM_REQ_CMP;
2472 ccb->ccb_h.status = CAM_UA_ABORT;
2475 case XPT_SET_TRAN_SETTINGS:
2478 ccb->ccb_h.status = CAM_REQ_INVALID;
2486 sbp_action(struct cam_sim *sim, union ccb *ccb)
2489 sbp_action1(sim, ccb);
2494 sbp_execute_ocb(void *arg, bus_dma_segment_t *segments, int seg, int error)
2497 struct sbp_ocb *ocb;
2498 struct sbp_ocb *prev;
2499 bus_dma_segment_t *s;
2502 kprintf("sbp_execute_ocb: error=%d\n", error);
2504 ocb = (struct sbp_ocb *)arg;
2507 kprintf("sbp_execute_ocb: seg %d", seg);
2508 for (i = 0; i < seg; i++)
2509 kprintf(", %jx:%jd", (uintmax_t)segments[i].ds_addr,
2510 (uintmax_t)segments[i].ds_len);
2515 /* direct pointer */
2517 if (s->ds_len > SBP_SEG_MAX)
2518 panic("ds_len > SBP_SEG_MAX, fix busdma code");
2519 ocb->orb[3] = htonl(s->ds_addr);
2520 ocb->orb[4] |= htonl(s->ds_len);
2521 } else if(seg > 1) {
2523 for (i = 0; i < seg; i++) {
2526 /* XXX LSI Logic "< 16 byte" bug might be hit */
2528 kprintf("sbp_execute_ocb: warning, "
2529 "segment length(%zd) is less than 16."
2531 (size_t)s->ds_len, i+1, (intmax_t)seg);
2533 if (s->ds_len > SBP_SEG_MAX)
2534 panic("ds_len > SBP_SEG_MAX, fix busdma code");
2535 ocb->ind_ptr[i].hi = htonl(s->ds_len << 16);
2536 ocb->ind_ptr[i].lo = htonl(s->ds_addr);
2538 ocb->orb[4] |= htonl(ORB_CMD_PTBL | seg);
2542 bus_dmamap_sync(ocb->sdev->target->sbp->dmat, ocb->dmamap,
2543 (ntohl(ocb->orb[4]) & ORB_CMD_IN) ?
2544 BUS_DMASYNC_PREREAD : BUS_DMASYNC_PREWRITE);
2545 prev = sbp_enqueue_ocb(ocb->sdev, ocb);
2546 fwdma_sync(&ocb->sdev->dma, BUS_DMASYNC_PREWRITE);
2547 if (prev == NULL || (ocb->sdev->flags & ORB_LINK_DEAD) != 0) {
2548 ocb->sdev->flags &= ~ORB_LINK_DEAD;
2549 sbp_orb_pointer(ocb->sdev, ocb);
2554 sbp_poll(struct cam_sim *sim)
2556 struct sbp_softc *sbp;
2557 struct firewire_comm *fc;
2559 sbp = (struct sbp_softc *)sim->softc;
2562 fc->poll(fc, 0, -1);
2567 static struct sbp_ocb *
2568 sbp_dequeue_ocb(struct sbp_dev *sdev, struct sbp_status *sbp_status)
2570 struct sbp_ocb *ocb;
2571 struct sbp_ocb *next;
2577 sbp_show_sdev_info(sdev, 2);
2578 kprintf("%s: 0x%08x src %d\n",
2579 __func__, ntohl(sbp_status->orb_lo), sbp_status->src);
2581 for (ocb = STAILQ_FIRST(&sdev->ocbs); ocb != NULL; ocb = next) {
2582 next = STAILQ_NEXT(ocb, ocb);
2583 if (OCB_MATCH(ocb, sbp_status)) {
2585 STAILQ_REMOVE(&sdev->ocbs, ocb, sbp_ocb, ocb);
2586 if (ocb->ccb != NULL)
2587 callout_stop(&ocb->ccb->ccb_h.timeout_ch);
2588 if (ntohl(ocb->orb[4]) & 0xffff) {
2589 bus_dmamap_sync(sdev->target->sbp->dmat,
2591 (ntohl(ocb->orb[4]) & ORB_CMD_IN) ?
2592 BUS_DMASYNC_POSTREAD :
2593 BUS_DMASYNC_POSTWRITE);
2594 bus_dmamap_unload(sdev->target->sbp->dmat,
2597 if (sbp_status->src == SRC_NO_NEXT) {
2599 sbp_orb_pointer(sdev, next);
2600 else if (order > 0) {
2602 * Unordered execution
2603 * We need to send pointer for
2606 sdev->flags |= ORB_LINK_DEAD;
2615 if (ocb && order > 0) {
2616 sbp_show_sdev_info(sdev, 2);
2617 kprintf("unordered execution order:%d\n", order);
2623 static struct sbp_ocb *
2624 sbp_enqueue_ocb(struct sbp_dev *sdev, struct sbp_ocb *ocb)
2626 struct sbp_ocb *prev;
2631 sbp_show_sdev_info(sdev, 2);
2632 kprintf("%s: 0x%08jx\n", __func__, (uintmax_t)ocb->bus_addr);
2634 prev = STAILQ_LAST(&sdev->ocbs, sbp_ocb, ocb);
2635 STAILQ_INSERT_TAIL(&sdev->ocbs, ocb, ocb);
2637 if (ocb->ccb != NULL)
2638 callout_reset(&ocb->ccb->ccb_h.timeout_ch,
2639 (ocb->ccb->ccb_h.timeout * hz) / 1000, sbp_timeout, ocb);
2643 kprintf("linking chain 0x%jx -> 0x%jx\n",
2644 (uintmax_t)prev->bus_addr, (uintmax_t)ocb->bus_addr);
2646 prev->orb[1] = htonl(ocb->bus_addr);
2654 static struct sbp_ocb *
2655 sbp_get_ocb(struct sbp_dev *sdev)
2657 struct sbp_ocb *ocb;
2660 ocb = STAILQ_FIRST(&sdev->free_ocbs);
2662 kprintf("ocb shortage!!!\n");
2666 STAILQ_REMOVE_HEAD(&sdev->free_ocbs, ocb);
2673 sbp_free_ocb(struct sbp_dev *sdev, struct sbp_ocb *ocb)
2677 STAILQ_INSERT_TAIL(&sdev->free_ocbs, ocb, ocb);
2681 sbp_abort_ocb(struct sbp_ocb *ocb, int status)
2683 struct sbp_dev *sdev;
2687 sbp_show_sdev_info(sdev, 2);
2688 kprintf("sbp_abort_ocb 0x%jx\n", (uintmax_t)ocb->bus_addr);
2691 if (ocb->ccb != NULL)
2692 sbp_print_scsi_cmd(ocb);
2694 if (ntohl(ocb->orb[4]) & 0xffff) {
2695 bus_dmamap_sync(sdev->target->sbp->dmat, ocb->dmamap,
2696 (ntohl(ocb->orb[4]) & ORB_CMD_IN) ?
2697 BUS_DMASYNC_POSTREAD : BUS_DMASYNC_POSTWRITE);
2698 bus_dmamap_unload(sdev->target->sbp->dmat, ocb->dmamap);
2700 if (ocb->ccb != NULL) {
2701 callout_stop(&ocb->ccb->ccb_h.timeout_ch);
2702 ocb->ccb->ccb_h.status = status;
2705 sbp_free_ocb(sdev, ocb);
2709 sbp_abort_all_ocbs(struct sbp_dev *sdev, int status)
2711 struct sbp_ocb *ocb, *next;
2712 STAILQ_HEAD(, sbp_ocb) temp;
2716 STAILQ_CONCAT(&temp, &sdev->ocbs);
2717 for (ocb = STAILQ_FIRST(&temp); ocb != NULL; ocb = next) {
2718 next = STAILQ_NEXT(ocb, ocb);
2719 sbp_abort_ocb(ocb, status);
2724 static devclass_t sbp_devclass;
2727 * Because sbp is a static device that always exists under any attached
2728 * firewire device, and not scanned by the firewire device, we need an
2729 * identify function to install the device. For our sanity we want
2730 * the sbp device to have the same unit number as the fireweire device.
2733 static device_method_t sbp_methods[] = {
2734 /* device interface */
2735 DEVMETHOD(device_identify, bus_generic_identify_sameunit),
2736 DEVMETHOD(device_probe, sbp_probe),
2737 DEVMETHOD(device_attach, sbp_attach),
2738 DEVMETHOD(device_detach, sbp_detach),
2739 DEVMETHOD(device_shutdown, sbp_shutdown),
2744 static driver_t sbp_driver = {
2747 sizeof(struct sbp_softc),
2750 DECLARE_DUMMY_MODULE(sbp);
2751 DRIVER_MODULE(sbp, firewire, sbp_driver, sbp_devclass, NULL, NULL);
2752 MODULE_VERSION(sbp, 1);
2753 MODULE_DEPEND(sbp, firewire, 1, 1, 1);
2754 MODULE_DEPEND(sbp, cam, 1, 1, 1);