35 *
36 */
37
38#include <sys/param.h>
39#include <sys/systm.h>
40#include <sys/module.h>
41#include <sys/bus.h>
42#include <sys/kernel.h>
43#include <sys/sysctl.h>
44#include <machine/bus.h>
45#include <sys/malloc.h>
46#if defined(__FreeBSD__) && __FreeBSD_version >= 501102
47#include <sys/lock.h>
48#include <sys/mutex.h>
49#endif
50
51#if defined(__DragonFly__) || __FreeBSD_version < 500106
52#include <sys/devicestat.h> /* for struct devstat */
53#endif
54
55#ifdef __DragonFly__
56#include <bus/cam/cam.h>
57#include <bus/cam/cam_ccb.h>
58#include <bus/cam/cam_sim.h>
59#include <bus/cam/cam_xpt_sim.h>
60#include <bus/cam/cam_debug.h>
61#include <bus/cam/cam_periph.h>
62#include <bus/cam/scsi/scsi_all.h>
63
64#include <bus/firewire/firewire.h>
65#include <bus/firewire/firewirereg.h>
66#include <bus/firewire/fwdma.h>
67#include <bus/firewire/iec13213.h>
68#include "sbp.h"
69#else
70#include <cam/cam.h>
71#include <cam/cam_ccb.h>
72#include <cam/cam_sim.h>
73#include <cam/cam_xpt_sim.h>
74#include <cam/cam_debug.h>
75#include <cam/cam_periph.h>
76#include <cam/scsi/scsi_all.h>
77
78#include <dev/firewire/firewire.h>
79#include <dev/firewire/firewirereg.h>
80#include <dev/firewire/fwdma.h>
81#include <dev/firewire/iec13213.h>
82#include <dev/firewire/sbp.h>
83#endif
84
85#define ccb_sdev_ptr spriv_ptr0
86#define ccb_sbp_ptr spriv_ptr1
87
88#define SBP_NUM_TARGETS 8 /* MAX 64 */
89/*
90 * Scan_bus doesn't work for more than 8 LUNs
91 * because of CAM_SCSI2_MAXLUN in cam_xpt.c
92 */
93#define SBP_NUM_LUNS 64
94#define SBP_MAXPHYS MIN(MAXPHYS, (512*1024) /* 512KB */)
95#define SBP_DMA_SIZE PAGE_SIZE
96#define SBP_LOGIN_SIZE sizeof(struct sbp_login_res)
97#define SBP_QUEUE_LEN ((SBP_DMA_SIZE - SBP_LOGIN_SIZE) / sizeof(struct sbp_ocb))
98#define SBP_NUM_OCB (SBP_QUEUE_LEN * SBP_NUM_TARGETS)
99
100/*
101 * STATUS FIFO addressing
102 * bit
103 * -----------------------
104 * 0- 1( 2): 0 (alignment)
105 * 2- 7( 6): target
106 * 8-15( 8): lun
107 * 16-31( 8): reserved
108 * 32-47(16): SBP_BIND_HI
109 * 48-64(16): bus_id, node_id
110 */
111#define SBP_BIND_HI 0x1
112#define SBP_DEV2ADDR(t, l) \
113 (((u_int64_t)SBP_BIND_HI << 32) \
114 | (((l) & 0xff) << 8) \
115 | (((t) & 0x3f) << 2))
116#define SBP_ADDR2TRG(a) (((a) >> 2) & 0x3f)
117#define SBP_ADDR2LUN(a) (((a) >> 8) & 0xff)
118#define SBP_INITIATOR 7
119
120static char *orb_fun_name[] = {
121 ORB_FUN_NAMES
122};
123
124static int debug = 0;
125static int auto_login = 1;
126static int max_speed = -1;
127static int sbp_cold = 1;
128static int ex_login = 1;
129static int login_delay = 1000; /* msec */
130static int scan_delay = 500; /* msec */
131static int use_doorbell = 0;
132static int sbp_tags = 0;
133
134SYSCTL_DECL(_hw_firewire);
135SYSCTL_NODE(_hw_firewire, OID_AUTO, sbp, CTLFLAG_RD, 0, "SBP-II Subsystem");
136SYSCTL_INT(_debug, OID_AUTO, sbp_debug, CTLFLAG_RW, &debug, 0,
137 "SBP debug flag");
138SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, auto_login, CTLFLAG_RW, &auto_login, 0,
139 "SBP perform login automatically");
140SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, max_speed, CTLFLAG_RW, &max_speed, 0,
141 "SBP transfer max speed");
142SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, exclusive_login, CTLFLAG_RW,
143 &ex_login, 0, "SBP enable exclusive login");
144SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, login_delay, CTLFLAG_RW,
145 &login_delay, 0, "SBP login delay in msec");
146SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, scan_delay, CTLFLAG_RW,
147 &scan_delay, 0, "SBP scan delay in msec");
148SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, use_doorbell, CTLFLAG_RW,
149 &use_doorbell, 0, "SBP use doorbell request");
150SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, tags, CTLFLAG_RW, &sbp_tags, 0,
151 "SBP tagged queuing support");
152
153TUNABLE_INT("hw.firewire.sbp.auto_login", &auto_login);
154TUNABLE_INT("hw.firewire.sbp.max_speed", &max_speed);
155TUNABLE_INT("hw.firewire.sbp.exclusive_login", &ex_login);
156TUNABLE_INT("hw.firewire.sbp.login_delay", &login_delay);
157TUNABLE_INT("hw.firewire.sbp.scan_delay", &scan_delay);
158TUNABLE_INT("hw.firewire.sbp.use_doorbell", &use_doorbell);
159TUNABLE_INT("hw.firewire.sbp.tags", &sbp_tags);
160
161#define NEED_RESPONSE 0
162
163#define SBP_SEG_MAX rounddown(0xffff, PAGE_SIZE)
164#ifdef __sparc64__ /* iommu */
165#define SBP_IND_MAX howmany(SBP_MAXPHYS, SBP_SEG_MAX)
166#else
167#define SBP_IND_MAX howmany(SBP_MAXPHYS, PAGE_SIZE)
168#endif
169struct sbp_ocb {
170 STAILQ_ENTRY(sbp_ocb) ocb;
171 union ccb *ccb;
172 bus_addr_t bus_addr;
173 uint32_t orb[8];
174#define IND_PTR_OFFSET (8*sizeof(uint32_t))
175 struct ind_ptr ind_ptr[SBP_IND_MAX];
176 struct sbp_dev *sdev;
177 int flags; /* XXX should be removed */
178 bus_dmamap_t dmamap;
179};
180
181#define OCB_ACT_MGM 0
182#define OCB_ACT_CMD 1
183#define OCB_MATCH(o,s) ((o)->bus_addr == ntohl((s)->orb_lo))
184
185struct sbp_dev{
186#define SBP_DEV_RESET 0 /* accept login */
187#define SBP_DEV_LOGIN 1 /* to login */
188#if 0
189#define SBP_DEV_RECONN 2 /* to reconnect */
190#endif
191#define SBP_DEV_TOATTACH 3 /* to attach */
192#define SBP_DEV_PROBE 4 /* scan lun */
193#define SBP_DEV_ATTACHED 5 /* in operation */
194#define SBP_DEV_DEAD 6 /* unavailable unit */
195#define SBP_DEV_RETRY 7 /* unavailable unit */
196 uint8_t status:4,
197 timeout:4;
198 uint8_t type;
199 uint16_t lun_id;
200 uint16_t freeze;
201#define ORB_LINK_DEAD (1 << 0)
202#define VALID_LUN (1 << 1)
203#define ORB_POINTER_ACTIVE (1 << 2)
204#define ORB_POINTER_NEED (1 << 3)
205#define ORB_DOORBELL_ACTIVE (1 << 4)
206#define ORB_DOORBELL_NEED (1 << 5)
207#define ORB_SHORTAGE (1 << 6)
208 uint16_t flags;
209 struct cam_path *path;
210 struct sbp_target *target;
211 struct fwdma_alloc dma;
212 struct sbp_login_res *login;
213 struct callout login_callout;
214 struct sbp_ocb *ocb;
215 STAILQ_HEAD(, sbp_ocb) ocbs;
216 STAILQ_HEAD(, sbp_ocb) free_ocbs;
217 struct sbp_ocb *last_ocb;
218 char vendor[32];
219 char product[32];
220 char revision[10];
221};
222
223struct sbp_target {
224 int target_id;
225 int num_lun;
226 struct sbp_dev **luns;
227 struct sbp_softc *sbp;
228 struct fw_device *fwdev;
229 uint32_t mgm_hi, mgm_lo;
230 struct sbp_ocb *mgm_ocb_cur;
231 STAILQ_HEAD(, sbp_ocb) mgm_ocb_queue;
232 struct callout mgm_ocb_timeout;
233 struct callout scan_callout;
234 STAILQ_HEAD(, fw_xfer) xferlist;
235 int n_xfer;
236};
237
238struct sbp_softc {
239 struct firewire_dev_comm fd;
240 struct cam_sim *sim;
241 struct cam_path *path;
242 struct sbp_target targets[SBP_NUM_TARGETS];
243 struct fw_bind fwb;
244 bus_dma_tag_t dmat;
245 struct timeval last_busreset;
246#define SIMQ_FREEZED 1
247 int flags;
248};
249
250static void sbp_post_explore (void *);
251static void sbp_recv (struct fw_xfer *);
252static void sbp_mgm_callback (struct fw_xfer *);
253#if 0
254static void sbp_cmd_callback (struct fw_xfer *);
255#endif
256static void sbp_orb_pointer (struct sbp_dev *, struct sbp_ocb *);
257static void sbp_doorbell(struct sbp_dev *);
258static void sbp_execute_ocb (void *, bus_dma_segment_t *, int, int);
259static void sbp_free_ocb (struct sbp_dev *, struct sbp_ocb *);
260static void sbp_abort_ocb (struct sbp_ocb *, int);
261static void sbp_abort_all_ocbs (struct sbp_dev *, int);
262static struct fw_xfer * sbp_write_cmd (struct sbp_dev *, int, int);
263static struct sbp_ocb * sbp_get_ocb (struct sbp_dev *);
264static struct sbp_ocb * sbp_enqueue_ocb (struct sbp_dev *, struct sbp_ocb *);
265static struct sbp_ocb * sbp_dequeue_ocb (struct sbp_dev *, struct sbp_status *);
266static void sbp_cam_detach_sdev(struct sbp_dev *);
267static void sbp_free_sdev(struct sbp_dev *);
268static void sbp_cam_detach_target (struct sbp_target *);
269static void sbp_free_target (struct sbp_target *);
270static void sbp_mgm_timeout (void *arg);
271static void sbp_timeout (void *arg);
272static void sbp_mgm_orb (struct sbp_dev *, int, struct sbp_ocb *);
273
274MALLOC_DEFINE(M_SBP, "sbp", "SBP-II/FireWire");
275
276/* cam related functions */
277static void sbp_action(struct cam_sim *sim, union ccb *ccb);
278static void sbp_poll(struct cam_sim *sim);
279static void sbp_cam_scan_lun(struct cam_periph *, union ccb *);
280static void sbp_cam_scan_target(void *arg);
281
282static char *orb_status0[] = {
283 /* 0 */ "No additional information to report",
284 /* 1 */ "Request type not supported",
285 /* 2 */ "Speed not supported",
286 /* 3 */ "Page size not supported",
287 /* 4 */ "Access denied",
288 /* 5 */ "Logical unit not supported",
289 /* 6 */ "Maximum payload too small",
290 /* 7 */ "Reserved for future standardization",
291 /* 8 */ "Resources unavailable",
292 /* 9 */ "Function rejected",
293 /* A */ "Login ID not recognized",
294 /* B */ "Dummy ORB completed",
295 /* C */ "Request aborted",
296 /* FF */ "Unspecified error"
297#define MAX_ORB_STATUS0 0xd
298};
299
300static char *orb_status1_object[] = {
301 /* 0 */ "Operation request block (ORB)",
302 /* 1 */ "Data buffer",
303 /* 2 */ "Page table",
304 /* 3 */ "Unable to specify"
305};
306
307static char *orb_status1_serial_bus_error[] = {
308 /* 0 */ "Missing acknowledge",
309 /* 1 */ "Reserved; not to be used",
310 /* 2 */ "Time-out error",
311 /* 3 */ "Reserved; not to be used",
312 /* 4 */ "Busy retry limit exceeded(X)",
313 /* 5 */ "Busy retry limit exceeded(A)",
314 /* 6 */ "Busy retry limit exceeded(B)",
315 /* 7 */ "Reserved for future standardization",
316 /* 8 */ "Reserved for future standardization",
317 /* 9 */ "Reserved for future standardization",
318 /* A */ "Reserved for future standardization",
319 /* B */ "Tardy retry limit exceeded",
320 /* C */ "Conflict error",
321 /* D */ "Data error",
322 /* E */ "Type error",
323 /* F */ "Address error"
324};
325
326static void
327sbp_identify(driver_t *driver, device_t parent)
328{
329 device_t child;
330SBP_DEBUG(0)
331 printf("sbp_identify\n");
332END_DEBUG
333
334 child = BUS_ADD_CHILD(parent, 0, "sbp", device_get_unit(parent));
335}
336
337/*
338 * sbp_probe()
339 */
340static int
341sbp_probe(device_t dev)
342{
343 device_t pa;
344
345SBP_DEBUG(0)
346 printf("sbp_probe\n");
347END_DEBUG
348
349 pa = device_get_parent(dev);
350 if(device_get_unit(dev) != device_get_unit(pa)){
351 return(ENXIO);
352 }
353
354 device_set_desc(dev, "SBP-2/SCSI over FireWire");
355
356#if 0
357 if (bootverbose)
358 debug = bootverbose;
359#endif
360
361 return (0);
362}
363
364static void
365sbp_show_sdev_info(struct sbp_dev *sdev, int new)
366{
367 struct fw_device *fwdev;
368
369 printf("%s:%d:%d ",
370 device_get_nameunit(sdev->target->sbp->fd.dev),
371 sdev->target->target_id,
372 sdev->lun_id
373 );
374 if (new == 2) {
375 return;
376 }
377 fwdev = sdev->target->fwdev;
378 printf("ordered:%d type:%d EUI:%08x%08x node:%d "
379 "speed:%d maxrec:%d",
380 (sdev->type & 0x40) >> 6,
381 (sdev->type & 0x1f),
382 fwdev->eui.hi,
383 fwdev->eui.lo,
384 fwdev->dst,
385 fwdev->speed,
386 fwdev->maxrec
387 );
388 if (new)
389 printf(" new!\n");
390 else
391 printf("\n");
392 sbp_show_sdev_info(sdev, 2);
393 printf("'%s' '%s' '%s'\n", sdev->vendor, sdev->product, sdev->revision);
394}
395
396static struct {
397 int bus;
398 int target;
399 struct fw_eui64 eui;
400} wired[] = {
401 /* Bus Target EUI64 */
402#if 0
403 {0, 2, {0x00018ea0, 0x01fd0154}}, /* Logitec HDD */
404 {0, 0, {0x00018ea6, 0x00100682}}, /* Logitec DVD */
405 {0, 1, {0x00d03200, 0xa412006a}}, /* Yano HDD */
406#endif
407 {-1, -1, {0,0}}
408};
409
410static int
411sbp_new_target(struct sbp_softc *sbp, struct fw_device *fwdev)
412{
413 int bus, i, target=-1;
414 char w[SBP_NUM_TARGETS];
415
416 bzero(w, sizeof(w));
417 bus = device_get_unit(sbp->fd.dev);
418
419 /* XXX wired-down configuration should be gotten from
420 tunable or device hint */
421 for (i = 0; wired[i].bus >= 0; i ++) {
422 if (wired[i].bus == bus) {
423 w[wired[i].target] = 1;
424 if (wired[i].eui.hi == fwdev->eui.hi &&
425 wired[i].eui.lo == fwdev->eui.lo)
426 target = wired[i].target;
427 }
428 }
429 if (target >= 0) {
430 if(target < SBP_NUM_TARGETS &&
431 sbp->targets[target].fwdev == NULL)
432 return(target);
433 device_printf(sbp->fd.dev,
434 "target %d is not free for %08x:%08x\n",
435 target, fwdev->eui.hi, fwdev->eui.lo);
436 target = -1;
437 }
438 /* non-wired target */
439 for (i = 0; i < SBP_NUM_TARGETS; i ++)
440 if (sbp->targets[i].fwdev == NULL && w[i] == 0) {
441 target = i;
442 break;
443 }
444
445 return target;
446}
447
448static void
449sbp_alloc_lun(struct sbp_target *target)
450{
451 struct crom_context cc;
452 struct csrreg *reg;
453 struct sbp_dev *sdev, **newluns;
454 struct sbp_softc *sbp;
455 int maxlun, lun, i;
456
457 sbp = target->sbp;
458 crom_init_context(&cc, target->fwdev->csrrom);
459 /* XXX shoud parse appropriate unit directories only */
460 maxlun = -1;
461 while (cc.depth >= 0) {
462 reg = crom_search_key(&cc, CROM_LUN);
463 if (reg == NULL)
464 break;
465 lun = reg->val & 0xffff;
466SBP_DEBUG(0)
467 printf("target %d lun %d found\n", target->target_id, lun);
468END_DEBUG
469 if (maxlun < lun)
470 maxlun = lun;
471 crom_next(&cc);
472 }
473 if (maxlun < 0)
474 printf("%s:%d no LUN found\n",
475 device_get_nameunit(target->sbp->fd.dev),
476 target->target_id);
477
478 maxlun ++;
479 if (maxlun >= SBP_NUM_LUNS)
480 maxlun = SBP_NUM_LUNS;
481
482 /* Invalidiate stale devices */
483 for (lun = 0; lun < target->num_lun; lun ++) {
484 sdev = target->luns[lun];
485 if (sdev == NULL)
486 continue;
487 sdev->flags &= ~VALID_LUN;
488 if (lun >= maxlun) {
489 /* lost device */
490 sbp_cam_detach_sdev(sdev);
491 sbp_free_sdev(sdev);
492 }
493 }
494
495 /* Reallocate */
496 if (maxlun != target->num_lun) {
497 newluns = (struct sbp_dev **) realloc(target->luns,
498 sizeof(struct sbp_dev *) * maxlun,
499 M_SBP, M_NOWAIT | M_ZERO);
500
501 if (newluns == NULL) {
502 printf("%s: realloc failed\n", __func__);
503 newluns = target->luns;
504 maxlun = target->num_lun;
505 }
506
507 /*
508 * We must zero the extended region for the case
509 * realloc() doesn't allocate new buffer.
510 */
511 if (maxlun > target->num_lun)
512 bzero(&newluns[target->num_lun],
513 sizeof(struct sbp_dev *) *
514 (maxlun - target->num_lun));
515
516 target->luns = newluns;
517 target->num_lun = maxlun;
518 }
519
520 crom_init_context(&cc, target->fwdev->csrrom);
521 while (cc.depth >= 0) {
522 int new = 0;
523
524 reg = crom_search_key(&cc, CROM_LUN);
525 if (reg == NULL)
526 break;
527 lun = reg->val & 0xffff;
528 if (lun >= SBP_NUM_LUNS) {
529 printf("too large lun %d\n", lun);
530 goto next;
531 }
532
533 sdev = target->luns[lun];
534 if (sdev == NULL) {
535 sdev = malloc(sizeof(struct sbp_dev),
536 M_SBP, M_NOWAIT | M_ZERO);
537 if (sdev == NULL) {
538 printf("%s: malloc failed\n", __func__);
539 goto next;
540 }
541 target->luns[lun] = sdev;
542 sdev->lun_id = lun;
543 sdev->target = target;
544 STAILQ_INIT(&sdev->ocbs);
545 CALLOUT_INIT(&sdev->login_callout);
546 sdev->status = SBP_DEV_RESET;
547 new = 1;
548 }
549 sdev->flags |= VALID_LUN;
550 sdev->type = (reg->val & 0xff0000) >> 16;
551
552 if (new == 0)
553 goto next;
554
555 fwdma_malloc(sbp->fd.fc,
556 /* alignment */ sizeof(uint32_t),
557 SBP_DMA_SIZE, &sdev->dma, BUS_DMA_NOWAIT);
558 if (sdev->dma.v_addr == NULL) {
559 printf("%s: dma space allocation failed\n",
560 __func__);
561 free(sdev, M_SBP);
562 target->luns[lun] = NULL;
563 goto next;
564 }
565 sdev->login = (struct sbp_login_res *) sdev->dma.v_addr;
566 sdev->ocb = (struct sbp_ocb *)
567 ((char *)sdev->dma.v_addr + SBP_LOGIN_SIZE);
568 bzero((char *)sdev->ocb,
569 sizeof (struct sbp_ocb) * SBP_QUEUE_LEN);
570
571 STAILQ_INIT(&sdev->free_ocbs);
572 for (i = 0; i < SBP_QUEUE_LEN; i++) {
573 struct sbp_ocb *ocb;
574 ocb = &sdev->ocb[i];
575 ocb->bus_addr = sdev->dma.bus_addr
576 + SBP_LOGIN_SIZE
577 + sizeof(struct sbp_ocb) * i
578 + offsetof(struct sbp_ocb, orb[0]);
579 if (bus_dmamap_create(sbp->dmat, 0, &ocb->dmamap)) {
580 printf("sbp_attach: cannot create dmamap\n");
581 /* XXX */
582 goto next;
583 }
584 sbp_free_ocb(sdev, ocb);
585 }
586next:
587 crom_next(&cc);
588 }
589
590 for (lun = 0; lun < target->num_lun; lun ++) {
591 sdev = target->luns[lun];
592 if (sdev != NULL && (sdev->flags & VALID_LUN) == 0) {
593 sbp_cam_detach_sdev(sdev);
594 sbp_free_sdev(sdev);
595 target->luns[lun] = NULL;
596 }
597 }
598}
599
600static struct sbp_target *
601sbp_alloc_target(struct sbp_softc *sbp, struct fw_device *fwdev)
602{
603 int i;
604 struct sbp_target *target;
605 struct crom_context cc;
606 struct csrreg *reg;
607
608SBP_DEBUG(1)
609 printf("sbp_alloc_target\n");
610END_DEBUG
611 i = sbp_new_target(sbp, fwdev);
612 if (i < 0) {
613 device_printf(sbp->fd.dev, "increase SBP_NUM_TARGETS!\n");
614 return NULL;
615 }
616 /* new target */
617 target = &sbp->targets[i];
618 target->sbp = sbp;
619 target->fwdev = fwdev;
620 target->target_id = i;
621 /* XXX we may want to reload mgm port after each bus reset */
622 /* XXX there might be multiple management agents */
623 crom_init_context(&cc, target->fwdev->csrrom);
624 reg = crom_search_key(&cc, CROM_MGM);
625 if (reg == NULL || reg->val == 0) {
626 printf("NULL management address\n");
627 target->fwdev = NULL;
628 return NULL;
629 }
630 target->mgm_hi = 0xffff;
631 target->mgm_lo = 0xf0000000 | (reg->val << 2);
632 target->mgm_ocb_cur = NULL;
633SBP_DEBUG(1)
634 printf("target:%d mgm_port: %x\n", i, target->mgm_lo);
635END_DEBUG
636 STAILQ_INIT(&target->xferlist);
637 target->n_xfer = 0;
638 STAILQ_INIT(&target->mgm_ocb_queue);
639 CALLOUT_INIT(&target->mgm_ocb_timeout);
640 CALLOUT_INIT(&target->scan_callout);
641
642 target->luns = NULL;
643 target->num_lun = 0;
644 return target;
645}
646
647static void
648sbp_probe_lun(struct sbp_dev *sdev)
649{
650 struct fw_device *fwdev;
651 struct crom_context c, *cc = &c;
652 struct csrreg *reg;
653
654 bzero(sdev->vendor, sizeof(sdev->vendor));
655 bzero(sdev->product, sizeof(sdev->product));
656
657 fwdev = sdev->target->fwdev;
658 crom_init_context(cc, fwdev->csrrom);
659 /* get vendor string */
660 crom_search_key(cc, CSRKEY_VENDOR);
661 crom_next(cc);
662 crom_parse_text(cc, sdev->vendor, sizeof(sdev->vendor));
663 /* skip to the unit directory for SBP-2 */
664 while ((reg = crom_search_key(cc, CSRKEY_VER)) != NULL) {
665 if (reg->val == CSRVAL_T10SBP2)
666 break;
667 crom_next(cc);
668 }
669 /* get firmware revision */
670 reg = crom_search_key(cc, CSRKEY_FIRM_VER);
671 if (reg != NULL)
672 snprintf(sdev->revision, sizeof(sdev->revision),
673 "%06x", reg->val);
674 /* get product string */
675 crom_search_key(cc, CSRKEY_MODEL);
676 crom_next(cc);
677 crom_parse_text(cc, sdev->product, sizeof(sdev->product));
678}
679
680static void
681sbp_login_callout(void *arg)
682{
683 struct sbp_dev *sdev = (struct sbp_dev *)arg;
684 sbp_mgm_orb(sdev, ORB_FUN_LGI, NULL);
685}
686
687static void
688sbp_login(struct sbp_dev *sdev)
689{
690 struct timeval delta;
691 struct timeval t;
692 int ticks = 0;
693
694 microtime(&delta);
695 timevalsub(&delta, &sdev->target->sbp->last_busreset);
696 t.tv_sec = login_delay / 1000;
697 t.tv_usec = (login_delay % 1000) * 1000;
698 timevalsub(&t, &delta);
699 if (t.tv_sec >= 0 && t.tv_usec > 0)
700 ticks = (t.tv_sec * 1000 + t.tv_usec / 1000) * hz / 1000;
701SBP_DEBUG(0)
702 printf("%s: sec = %jd usec = %ld ticks = %d\n", __func__,
703 (intmax_t)t.tv_sec, t.tv_usec, ticks);
704END_DEBUG
705 callout_reset(&sdev->login_callout, ticks,
706 sbp_login_callout, (void *)(sdev));
707}
708
709#define SBP_FWDEV_ALIVE(fwdev) (((fwdev)->status == FWDEVATTACHED) \
710 && crom_has_specver((fwdev)->csrrom, CSRVAL_ANSIT10, CSRVAL_T10SBP2))
711
712static void
713sbp_probe_target(void *arg)
714{
715 struct sbp_target *target = (struct sbp_target *)arg;
716 struct sbp_softc *sbp;
717 struct sbp_dev *sdev;
718 struct firewire_comm *fc;
719 int i, alive;
720
721 alive = SBP_FWDEV_ALIVE(target->fwdev);
722SBP_DEBUG(1)
723 printf("sbp_probe_target %d\n", target->target_id);
724 if (!alive)
725 printf("not alive\n");
726END_DEBUG
727
728 sbp = target->sbp;
729 fc = target->sbp->fd.fc;
730 sbp_alloc_lun(target);
731
732 /* XXX untimeout mgm_ocb and dequeue */
733 for (i=0; i < target->num_lun; i++) {
734 sdev = target->luns[i];
735 if (sdev == NULL)
736 continue;
737 if (alive && (sdev->status != SBP_DEV_DEAD)) {
738 if (sdev->path != NULL) {
739 xpt_freeze_devq(sdev->path, 1);
740 sdev->freeze ++;
741 }
742 sbp_probe_lun(sdev);
743SBP_DEBUG(0)
744 sbp_show_sdev_info(sdev,
745 (sdev->status == SBP_DEV_RESET));
746END_DEBUG
747
748 sbp_abort_all_ocbs(sdev, CAM_SCSI_BUS_RESET);
749 switch (sdev->status) {
750 case SBP_DEV_RESET:
751 /* new or revived target */
752 if (auto_login)
753 sbp_login(sdev);
754 break;
755 case SBP_DEV_TOATTACH:
756 case SBP_DEV_PROBE:
757 case SBP_DEV_ATTACHED:
758 case SBP_DEV_RETRY:
759 default:
760 sbp_mgm_orb(sdev, ORB_FUN_RCN, NULL);
761 break;
762 }
763 } else {
764 switch (sdev->status) {
765 case SBP_DEV_ATTACHED:
766SBP_DEBUG(0)
767 /* the device has gone */
768 sbp_show_sdev_info(sdev, 2);
769 printf("lost target\n");
770END_DEBUG
771 if (sdev->path) {
772 xpt_freeze_devq(sdev->path, 1);
773 sdev->freeze ++;
774 }
775 sdev->status = SBP_DEV_RETRY;
776 sbp_abort_all_ocbs(sdev, CAM_SCSI_BUS_RESET);
777 break;
778 case SBP_DEV_PROBE:
779 case SBP_DEV_TOATTACH:
780 sdev->status = SBP_DEV_RESET;
781 break;
782 case SBP_DEV_RETRY:
783 case SBP_DEV_RESET:
784 case SBP_DEV_DEAD:
785 break;
786 }
787 }
788 }
789}
790
791static void
792sbp_post_busreset(void *arg)
793{
794 struct sbp_softc *sbp;
795
796 sbp = (struct sbp_softc *)arg;
797SBP_DEBUG(0)
798 printf("sbp_post_busreset\n");
799END_DEBUG
800 if ((sbp->sim->flags & SIMQ_FREEZED) == 0) {
801 xpt_freeze_simq(sbp->sim, /*count*/1);
802 sbp->sim->flags |= SIMQ_FREEZED;
803 }
804 microtime(&sbp->last_busreset);
805}
806
807static void
808sbp_post_explore(void *arg)
809{
810 struct sbp_softc *sbp = (struct sbp_softc *)arg;
811 struct sbp_target *target;
812 struct fw_device *fwdev;
813 int i, alive;
814
815SBP_DEBUG(0)
816 printf("sbp_post_explore (sbp_cold=%d)\n", sbp_cold);
817END_DEBUG
818 if (sbp_cold > 0)
819 sbp_cold --;
820
821#if 0
822 /*
823 * XXX don't let CAM the bus rest.
824 * CAM tries to do something with freezed (DEV_RETRY) devices.
825 */
826 xpt_async(AC_BUS_RESET, sbp->path, /*arg*/ NULL);
827#endif
828
829 /* Garbage Collection */
830 for(i = 0 ; i < SBP_NUM_TARGETS ; i ++){
831 target = &sbp->targets[i];
832 STAILQ_FOREACH(fwdev, &sbp->fd.fc->devices, link)
833 if (target->fwdev == NULL || target->fwdev == fwdev)
834 break;
835 if (fwdev == NULL) {
836 /* device has removed in lower driver */
837 sbp_cam_detach_target(target);
838 sbp_free_target(target);
839 }
840 }
841 /* traverse device list */
842 STAILQ_FOREACH(fwdev, &sbp->fd.fc->devices, link) {
843SBP_DEBUG(0)
844 printf("sbp_post_explore: EUI:%08x%08x ",
845 fwdev->eui.hi, fwdev->eui.lo);
846 if (fwdev->status != FWDEVATTACHED)
847 printf("not attached, state=%d.\n", fwdev->status);
848 else
849 printf("attached\n");
850END_DEBUG
851 alive = SBP_FWDEV_ALIVE(fwdev);
852 for(i = 0 ; i < SBP_NUM_TARGETS ; i ++){
853 target = &sbp->targets[i];
854 if(target->fwdev == fwdev ) {
855 /* known target */
856 break;
857 }
858 }
859 if(i == SBP_NUM_TARGETS){
860 if (alive) {
861 /* new target */
862 target = sbp_alloc_target(sbp, fwdev);
863 if (target == NULL)
864 continue;
865 } else {
866 continue;
867 }
868 }
869 sbp_probe_target((void *)target);
870 if (target->num_lun == 0)
871 sbp_free_target(target);
872 }
873 xpt_release_simq(sbp->sim, /*run queue*/TRUE);
874 sbp->sim->flags &= ~SIMQ_FREEZED;
875}
876
877#if NEED_RESPONSE
878static void
879sbp_loginres_callback(struct fw_xfer *xfer){
880 int s;
881 struct sbp_dev *sdev;
882 sdev = (struct sbp_dev *)xfer->sc;
883SBP_DEBUG(1)
884 sbp_show_sdev_info(sdev, 2);
885 printf("sbp_loginres_callback\n");
886END_DEBUG
887 /* recycle */
888 s = splfw();
889 STAILQ_INSERT_TAIL(&sdev->target->sbp->fwb.xferlist, xfer, link);
890 splx(s);
891 return;
892}
893#endif
894
895static __inline void
896sbp_xfer_free(struct fw_xfer *xfer)
897{
898 struct sbp_dev *sdev;
899 int s;
900
901 sdev = (struct sbp_dev *)xfer->sc;
902 fw_xfer_unload(xfer);
903 s = splfw();
904 STAILQ_INSERT_TAIL(&sdev->target->xferlist, xfer, link);
905 splx(s);
906}
907
908static void
909sbp_reset_start_callback(struct fw_xfer *xfer)
910{
911 struct sbp_dev *tsdev, *sdev = (struct sbp_dev *)xfer->sc;
912 struct sbp_target *target = sdev->target;
913 int i;
914
915 if (xfer->resp != 0) {
916 sbp_show_sdev_info(sdev, 2);
917 printf("sbp_reset_start failed: resp=%d\n", xfer->resp);
918 }
919
920 for (i = 0; i < target->num_lun; i++) {
921 tsdev = target->luns[i];
922 if (tsdev != NULL && tsdev->status == SBP_DEV_LOGIN)
923 sbp_login(tsdev);
924 }
925}
926
927static void
928sbp_reset_start(struct sbp_dev *sdev)
929{
930 struct fw_xfer *xfer;
931 struct fw_pkt *fp;
932
933SBP_DEBUG(0)
934 sbp_show_sdev_info(sdev, 2);
935 printf("sbp_reset_start\n");
936END_DEBUG
937
938 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0);
939 xfer->hand = sbp_reset_start_callback;
940 fp = &xfer->send.hdr;
941 fp->mode.wreqq.dest_hi = 0xffff;
942 fp->mode.wreqq.dest_lo = 0xf0000000 | RESET_START;
943 fp->mode.wreqq.data = htonl(0xf);
944 fw_asyreq(xfer->fc, -1, xfer);
945}
946
947static void
948sbp_mgm_callback(struct fw_xfer *xfer)
949{
950 struct sbp_dev *sdev;
951 int resp;
952
953 sdev = (struct sbp_dev *)xfer->sc;
954
955SBP_DEBUG(1)
956 sbp_show_sdev_info(sdev, 2);
957 printf("sbp_mgm_callback\n");
958END_DEBUG
959 resp = xfer->resp;
960 sbp_xfer_free(xfer);
961#if 0
962 if (resp != 0) {
963 sbp_show_sdev_info(sdev, 2);
964 printf("management ORB failed(%d) ... RESET_START\n", resp);
965 sbp_reset_start(sdev);
966 }
967#endif
968 return;
969}
970
971static struct sbp_dev *
972sbp_next_dev(struct sbp_target *target, int lun)
973{
974 struct sbp_dev **sdevp;
975 int i;
976
977 for (i = lun, sdevp = &target->luns[lun]; i < target->num_lun;
978 i++, sdevp++)
979 if (*sdevp != NULL && (*sdevp)->status == SBP_DEV_PROBE)
980 return(*sdevp);
981 return(NULL);
982}
983
984#define SCAN_PRI 1
985static void
986sbp_cam_scan_lun(struct cam_periph *periph, union ccb *ccb)
987{
988 struct sbp_target *target;
989 struct sbp_dev *sdev;
990
991 sdev = (struct sbp_dev *) ccb->ccb_h.ccb_sdev_ptr;
992 target = sdev->target;
993SBP_DEBUG(0)
994 sbp_show_sdev_info(sdev, 2);
995 printf("sbp_cam_scan_lun\n");
996END_DEBUG
997 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
998 sdev->status = SBP_DEV_ATTACHED;
999 } else {
1000 sbp_show_sdev_info(sdev, 2);
1001 printf("scan failed\n");
1002 }
1003 sdev = sbp_next_dev(target, sdev->lun_id + 1);
1004 if (sdev == NULL) {
1005 free(ccb, M_SBP);
1006 return;
1007 }
1008 /* reuse ccb */
1009 xpt_setup_ccb(&ccb->ccb_h, sdev->path, SCAN_PRI);
1010 ccb->ccb_h.ccb_sdev_ptr = sdev;
1011 xpt_action(ccb);
1012 xpt_release_devq(sdev->path, sdev->freeze, TRUE);
1013 sdev->freeze = 1;
1014}
1015
1016static void
1017sbp_cam_scan_target(void *arg)
1018{
1019 struct sbp_target *target = (struct sbp_target *)arg;
1020 struct sbp_dev *sdev;
1021 union ccb *ccb;
1022
1023 sdev = sbp_next_dev(target, 0);
1024 if (sdev == NULL) {
1025 printf("sbp_cam_scan_target: nothing to do for target%d\n",
1026 target->target_id);
1027 return;
1028 }
1029SBP_DEBUG(0)
1030 sbp_show_sdev_info(sdev, 2);
1031 printf("sbp_cam_scan_target\n");
1032END_DEBUG
1033 ccb = malloc(sizeof(union ccb), M_SBP, M_NOWAIT | M_ZERO);
1034 if (ccb == NULL) {
1035 printf("sbp_cam_scan_target: malloc failed\n");
1036 return;
1037 }
1038 xpt_setup_ccb(&ccb->ccb_h, sdev->path, SCAN_PRI);
1039 ccb->ccb_h.func_code = XPT_SCAN_LUN;
1040 ccb->ccb_h.cbfcnp = sbp_cam_scan_lun;
1041 ccb->ccb_h.flags |= CAM_DEV_QFREEZE;
1042 ccb->crcn.flags = CAM_FLAG_NONE;
1043 ccb->ccb_h.ccb_sdev_ptr = sdev;
1044
1045 /* The scan is in progress now. */
1046 xpt_action(ccb);
1047 xpt_release_devq(sdev->path, sdev->freeze, TRUE);
1048 sdev->freeze = 1;
1049}
1050
1051static __inline void
1052sbp_scan_dev(struct sbp_dev *sdev)
1053{
1054 sdev->status = SBP_DEV_PROBE;
1055 callout_reset(&sdev->target->scan_callout, scan_delay * hz / 1000,
1056 sbp_cam_scan_target, (void *)sdev->target);
1057}
1058
1059static void
1060sbp_do_attach(struct fw_xfer *xfer)
1061{
1062 struct sbp_dev *sdev;
1063 struct sbp_target *target;
1064 struct sbp_softc *sbp;
1065
1066 sdev = (struct sbp_dev *)xfer->sc;
1067 target = sdev->target;
1068 sbp = target->sbp;
1069SBP_DEBUG(0)
1070 sbp_show_sdev_info(sdev, 2);
1071 printf("sbp_do_attach\n");
1072END_DEBUG
1073 sbp_xfer_free(xfer);
1074
1075 if (sdev->path == NULL)
1076 xpt_create_path(&sdev->path, xpt_periph,
1077 cam_sim_path(target->sbp->sim),
1078 target->target_id, sdev->lun_id);
1079
1080 /*
1081 * Let CAM scan the bus if we are in the boot process.
1082 * XXX xpt_scan_bus cannot detect LUN larger than 0
1083 * if LUN 0 doesn't exists.
1084 */
1085 if (sbp_cold > 0) {
1086 sdev->status = SBP_DEV_ATTACHED;
1087 return;
1088 }
1089
1090 sbp_scan_dev(sdev);
1091 return;
1092}
1093
1094static void
1095sbp_agent_reset_callback(struct fw_xfer *xfer)
1096{
1097 struct sbp_dev *sdev;
1098
1099 sdev = (struct sbp_dev *)xfer->sc;
1100SBP_DEBUG(1)
1101 sbp_show_sdev_info(sdev, 2);
1102 printf("%s\n", __func__);
1103END_DEBUG
1104 if (xfer->resp != 0) {
1105 sbp_show_sdev_info(sdev, 2);
1106 printf("%s: resp=%d\n", __func__, xfer->resp);
1107 }
1108
1109 sbp_xfer_free(xfer);
1110 if (sdev->path) {
1111 xpt_release_devq(sdev->path, sdev->freeze, TRUE);
1112 sdev->freeze = 0;
1113 }
1114}
1115
1116static void
1117sbp_agent_reset(struct sbp_dev *sdev)
1118{
1119 struct fw_xfer *xfer;
1120 struct fw_pkt *fp;
1121
1122SBP_DEBUG(0)
1123 sbp_show_sdev_info(sdev, 2);
1124 printf("sbp_agent_reset\n");
1125END_DEBUG
1126 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0x04);
1127 if (xfer == NULL)
1128 return;
1129 if (sdev->status == SBP_DEV_ATTACHED || sdev->status == SBP_DEV_PROBE)
1130 xfer->hand = sbp_agent_reset_callback;
1131 else
1132 xfer->hand = sbp_do_attach;
1133 fp = &xfer->send.hdr;
1134 fp->mode.wreqq.data = htonl(0xf);
1135 fw_asyreq(xfer->fc, -1, xfer);
1136 sbp_abort_all_ocbs(sdev, CAM_BDR_SENT);
1137}
1138
1139static void
1140sbp_busy_timeout_callback(struct fw_xfer *xfer)
1141{
1142 struct sbp_dev *sdev;
1143
1144 sdev = (struct sbp_dev *)xfer->sc;
1145SBP_DEBUG(1)
1146 sbp_show_sdev_info(sdev, 2);
1147 printf("sbp_busy_timeout_callback\n");
1148END_DEBUG
1149 sbp_xfer_free(xfer);
1150 sbp_agent_reset(sdev);
1151}
1152
1153static void
1154sbp_busy_timeout(struct sbp_dev *sdev)
1155{
1156 struct fw_pkt *fp;
1157 struct fw_xfer *xfer;
1158SBP_DEBUG(0)
1159 sbp_show_sdev_info(sdev, 2);
1160 printf("sbp_busy_timeout\n");
1161END_DEBUG
1162 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0);
1163
1164 xfer->hand = sbp_busy_timeout_callback;
1165 fp = &xfer->send.hdr;
1166 fp->mode.wreqq.dest_hi = 0xffff;
1167 fp->mode.wreqq.dest_lo = 0xf0000000 | BUSY_TIMEOUT;
1168 fp->mode.wreqq.data = htonl((1 << (13+12)) | 0xf);
1169 fw_asyreq(xfer->fc, -1, xfer);
1170}
1171
1172static void
1173sbp_orb_pointer_callback(struct fw_xfer *xfer)
1174{
1175 struct sbp_dev *sdev;
1176 sdev = (struct sbp_dev *)xfer->sc;
1177
1178SBP_DEBUG(1)
1179 sbp_show_sdev_info(sdev, 2);
1180 printf("%s\n", __func__);
1181END_DEBUG
1182 if (xfer->resp != 0) {
1183 /* XXX */
1184 printf("%s: xfer->resp = %d\n", __func__, xfer->resp);
1185 }
1186 sbp_xfer_free(xfer);
1187 sdev->flags &= ~ORB_POINTER_ACTIVE;
1188
1189 if ((sdev->flags & ORB_POINTER_NEED) != 0) {
1190 struct sbp_ocb *ocb;
1191
1192 sdev->flags &= ~ORB_POINTER_NEED;
1193 ocb = STAILQ_FIRST(&sdev->ocbs);
1194 if (ocb != NULL)
1195 sbp_orb_pointer(sdev, ocb);
1196 }
1197 return;
1198}
1199
1200static void
1201sbp_orb_pointer(struct sbp_dev *sdev, struct sbp_ocb *ocb)
1202{
1203 struct fw_xfer *xfer;
1204 struct fw_pkt *fp;
1205SBP_DEBUG(1)
1206 sbp_show_sdev_info(sdev, 2);
1207 printf("%s: 0x%08x\n", __func__, (uint32_t)ocb->bus_addr);
1208END_DEBUG
1209
1210 if ((sdev->flags & ORB_POINTER_ACTIVE) != 0) {
1211SBP_DEBUG(0)
1212 printf("%s: orb pointer active\n", __func__);
1213END_DEBUG
1214 sdev->flags |= ORB_POINTER_NEED;
1215 return;
1216 }
1217
1218 sdev->flags |= ORB_POINTER_ACTIVE;
1219 xfer = sbp_write_cmd(sdev, FWTCODE_WREQB, 0x08);
1220 if (xfer == NULL)
1221 return;
1222 xfer->hand = sbp_orb_pointer_callback;
1223
1224 fp = &xfer->send.hdr;
1225 fp->mode.wreqb.len = 8;
1226 fp->mode.wreqb.extcode = 0;
1227 xfer->send.payload[0] =
1228 htonl(((sdev->target->sbp->fd.fc->nodeid | FWLOCALBUS )<< 16));
1229 xfer->send.payload[1] = htonl((uint32_t)ocb->bus_addr);
1230
1231 if(fw_asyreq(xfer->fc, -1, xfer) != 0){
1232 sbp_xfer_free(xfer);
1233 ocb->ccb->ccb_h.status = CAM_REQ_INVALID;
1234 xpt_done(ocb->ccb);
1235 }
1236}
1237
1238static void
1239sbp_doorbell_callback(struct fw_xfer *xfer)
1240{
1241 struct sbp_dev *sdev;
1242 sdev = (struct sbp_dev *)xfer->sc;
1243
1244SBP_DEBUG(1)
1245 sbp_show_sdev_info(sdev, 2);
1246 printf("sbp_doorbell_callback\n");
1247END_DEBUG
1248 if (xfer->resp != 0) {
1249 /* XXX */
1250 printf("%s: xfer->resp = %d\n", __func__, xfer->resp);
1251 }
1252 sbp_xfer_free(xfer);
1253 sdev->flags &= ~ORB_DOORBELL_ACTIVE;
1254 if ((sdev->flags & ORB_DOORBELL_NEED) != 0) {
1255 sdev->flags &= ~ORB_DOORBELL_NEED;
1256 sbp_doorbell(sdev);
1257 }
1258 return;
1259}
1260
1261static void
1262sbp_doorbell(struct sbp_dev *sdev)
1263{
1264 struct fw_xfer *xfer;
1265 struct fw_pkt *fp;
1266SBP_DEBUG(1)
1267 sbp_show_sdev_info(sdev, 2);
1268 printf("sbp_doorbell\n");
1269END_DEBUG
1270
1271 if ((sdev->flags & ORB_DOORBELL_ACTIVE) != 0) {
1272 sdev->flags |= ORB_DOORBELL_NEED;
1273 return;
1274 }
1275 sdev->flags |= ORB_DOORBELL_ACTIVE;
1276 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0x10);
1277 if (xfer == NULL)
1278 return;
1279 xfer->hand = sbp_doorbell_callback;
1280 fp = &xfer->send.hdr;
1281 fp->mode.wreqq.data = htonl(0xf);
1282 fw_asyreq(xfer->fc, -1, xfer);
1283}
1284
1285static struct fw_xfer *
1286sbp_write_cmd(struct sbp_dev *sdev, int tcode, int offset)
1287{
1288 struct fw_xfer *xfer;
1289 struct fw_pkt *fp;
1290 struct sbp_target *target;
1291 int s, new = 0;
1292
1293 target = sdev->target;
1294 s = splfw();
1295 xfer = STAILQ_FIRST(&target->xferlist);
1296 if (xfer == NULL) {
1297 if (target->n_xfer > 5 /* XXX */) {
1298 printf("sbp: no more xfer for this target\n");
1299 splx(s);
1300 return(NULL);
1301 }
1302 xfer = fw_xfer_alloc_buf(M_SBP, 8, 0);
1303 if(xfer == NULL){
1304 printf("sbp: fw_xfer_alloc_buf failed\n");
1305 splx(s);
1306 return NULL;
1307 }
1308 target->n_xfer ++;
1309 if (debug)
1310 printf("sbp: alloc %d xfer\n", target->n_xfer);
1311 new = 1;
1312 } else {
1313 STAILQ_REMOVE_HEAD(&target->xferlist, link);
1314 }
1315 splx(s);
1316
1317 microtime(&xfer->tv);
1318
1319 if (new) {
1320 xfer->recv.pay_len = 0;
1321 xfer->send.spd = min(sdev->target->fwdev->speed, max_speed);
1322 xfer->fc = sdev->target->sbp->fd.fc;
1323 }
1324
1325 if (tcode == FWTCODE_WREQB)
1326 xfer->send.pay_len = 8;
1327 else
1328 xfer->send.pay_len = 0;
1329
1330 xfer->sc = (caddr_t)sdev;
1331 fp = &xfer->send.hdr;
1332 fp->mode.wreqq.dest_hi = sdev->login->cmd_hi;
1333 fp->mode.wreqq.dest_lo = sdev->login->cmd_lo + offset;
1334 fp->mode.wreqq.tlrt = 0;
1335 fp->mode.wreqq.tcode = tcode;
1336 fp->mode.wreqq.pri = 0;
1337 fp->mode.wreqq.dst = FWLOCALBUS | sdev->target->fwdev->dst;
1338
1339 return xfer;
1340
1341}
1342
1343static void
1344sbp_mgm_orb(struct sbp_dev *sdev, int func, struct sbp_ocb *aocb)
1345{
1346 struct fw_xfer *xfer;
1347 struct fw_pkt *fp;
1348 struct sbp_ocb *ocb;
1349 struct sbp_target *target;
1350 int s, nid;
1351
1352 target = sdev->target;
1353 nid = target->sbp->fd.fc->nodeid | FWLOCALBUS;
1354
1355 s = splfw();
1356 if (func == ORB_FUN_RUNQUEUE) {
1357 ocb = STAILQ_FIRST(&target->mgm_ocb_queue);
1358 if (target->mgm_ocb_cur != NULL || ocb == NULL) {
1359 splx(s);
1360 return;
1361 }
1362 STAILQ_REMOVE_HEAD(&target->mgm_ocb_queue, ocb);
1363 goto start;
1364 }
1365 if ((ocb = sbp_get_ocb(sdev)) == NULL) {
1366 splx(s);
1367 /* XXX */
1368 return;
1369 }
1370 ocb->flags = OCB_ACT_MGM;
1371 ocb->sdev = sdev;
1372
1373 bzero((void *)ocb->orb, sizeof(ocb->orb));
1374 ocb->orb[6] = htonl((nid << 16) | SBP_BIND_HI);
1375 ocb->orb[7] = htonl(SBP_DEV2ADDR(target->target_id, sdev->lun_id));
1376
1377SBP_DEBUG(0)
1378 sbp_show_sdev_info(sdev, 2);
1379 printf("%s\n", orb_fun_name[(func>>16)&0xf]);
1380END_DEBUG
1381 switch (func) {
1382 case ORB_FUN_LGI:
1383 ocb->orb[0] = ocb->orb[1] = 0; /* password */
1384 ocb->orb[2] = htonl(nid << 16);
1385 ocb->orb[3] = htonl(sdev->dma.bus_addr);
1386 ocb->orb[4] = htonl(ORB_NOTIFY | sdev->lun_id);
1387 if (ex_login)
1388 ocb->orb[4] |= htonl(ORB_EXV);
1389 ocb->orb[5] = htonl(SBP_LOGIN_SIZE);
1390 fwdma_sync(&sdev->dma, BUS_DMASYNC_PREREAD);
1391 break;
1392 case ORB_FUN_ATA:
1393 ocb->orb[0] = htonl((0 << 16) | 0);
1394 ocb->orb[1] = htonl(aocb->bus_addr & 0xffffffff);
1395 /* fall through */
1396 case ORB_FUN_RCN:
1397 case ORB_FUN_LGO:
1398 case ORB_FUN_LUR:
1399 case ORB_FUN_RST:
1400 case ORB_FUN_ATS:
1401 ocb->orb[4] = htonl(ORB_NOTIFY | func | sdev->login->id);
1402 break;
1403 }
1404
1405 if (target->mgm_ocb_cur != NULL) {
1406 /* there is a standing ORB */
1407 STAILQ_INSERT_TAIL(&sdev->target->mgm_ocb_queue, ocb, ocb);
1408 splx(s);
1409 return;
1410 }
1411start:
1412 target->mgm_ocb_cur = ocb;
1413 splx(s);
1414
1415 callout_reset(&target->mgm_ocb_timeout, 5*hz,
1416 sbp_mgm_timeout, (caddr_t)ocb);
1417 xfer = sbp_write_cmd(sdev, FWTCODE_WREQB, 0);
1418 if(xfer == NULL){
1419 return;
1420 }
1421 xfer->hand = sbp_mgm_callback;
1422
1423 fp = &xfer->send.hdr;
1424 fp->mode.wreqb.dest_hi = sdev->target->mgm_hi;
1425 fp->mode.wreqb.dest_lo = sdev->target->mgm_lo;
1426 fp->mode.wreqb.len = 8;
1427 fp->mode.wreqb.extcode = 0;
1428 xfer->send.payload[0] = htonl(nid << 16);
1429 xfer->send.payload[1] = htonl(ocb->bus_addr & 0xffffffff);
1430SBP_DEBUG(0)
1431 sbp_show_sdev_info(sdev, 2);
1432 printf("mgm orb: %08x\n", (uint32_t)ocb->bus_addr);
1433END_DEBUG
1434
1435 fw_asyreq(xfer->fc, -1, xfer);
1436}
1437
1438static void
1439sbp_print_scsi_cmd(struct sbp_ocb *ocb)
1440{
1441 struct ccb_scsiio *csio;
1442
1443 csio = &ocb->ccb->csio;
1444 printf("%s:%d:%d XPT_SCSI_IO: "
1445 "cmd: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x"
1446 ", flags: 0x%02x, "
1447 "%db cmd/%db data/%db sense\n",
1448 device_get_nameunit(ocb->sdev->target->sbp->fd.dev),
1449 ocb->ccb->ccb_h.target_id, ocb->ccb->ccb_h.target_lun,
1450 csio->cdb_io.cdb_bytes[0],
1451 csio->cdb_io.cdb_bytes[1],
1452 csio->cdb_io.cdb_bytes[2],
1453 csio->cdb_io.cdb_bytes[3],
1454 csio->cdb_io.cdb_bytes[4],
1455 csio->cdb_io.cdb_bytes[5],
1456 csio->cdb_io.cdb_bytes[6],
1457 csio->cdb_io.cdb_bytes[7],
1458 csio->cdb_io.cdb_bytes[8],
1459 csio->cdb_io.cdb_bytes[9],
1460 ocb->ccb->ccb_h.flags & CAM_DIR_MASK,
1461 csio->cdb_len, csio->dxfer_len,
1462 csio->sense_len);
1463}
1464
1465static void
1466sbp_scsi_status(struct sbp_status *sbp_status, struct sbp_ocb *ocb)
1467{
1468 struct sbp_cmd_status *sbp_cmd_status;
1469 struct scsi_sense_data *sense;
1470
1471 sbp_cmd_status = (struct sbp_cmd_status *)sbp_status->data;
1472 sense = &ocb->ccb->csio.sense_data;
1473
1474SBP_DEBUG(0)
1475 sbp_print_scsi_cmd(ocb);
1476 /* XXX need decode status */
1477 sbp_show_sdev_info(ocb->sdev, 2);
1478 printf("SCSI status %x sfmt %x valid %x key %x code %x qlfr %x len %d\n",
1479 sbp_cmd_status->status,
1480 sbp_cmd_status->sfmt,
1481 sbp_cmd_status->valid,
1482 sbp_cmd_status->s_key,
1483 sbp_cmd_status->s_code,
1484 sbp_cmd_status->s_qlfr,
1485 sbp_status->len
1486 );
1487END_DEBUG
1488
1489 switch (sbp_cmd_status->status) {
1490 case SCSI_STATUS_CHECK_COND:
1491 case SCSI_STATUS_BUSY:
1492 case SCSI_STATUS_CMD_TERMINATED:
1493 if(sbp_cmd_status->sfmt == SBP_SFMT_CURR){
1494 sense->error_code = SSD_CURRENT_ERROR;
1495 }else{
1496 sense->error_code = SSD_DEFERRED_ERROR;
1497 }
1498 if(sbp_cmd_status->valid)
1499 sense->error_code |= SSD_ERRCODE_VALID;
1500 sense->flags = sbp_cmd_status->s_key;
1501 if(sbp_cmd_status->mark)
1502 sense->flags |= SSD_FILEMARK;
1503 if(sbp_cmd_status->eom)
1504 sense->flags |= SSD_EOM;
1505 if(sbp_cmd_status->ill_len)
1506 sense->flags |= SSD_ILI;
1507
1508 bcopy(&sbp_cmd_status->info, &sense->info[0], 4);
1509
1510 if (sbp_status->len <= 1)
1511 /* XXX not scsi status. shouldn't be happened */
1512 sense->extra_len = 0;
1513 else if (sbp_status->len <= 4)
1514 /* add_sense_code(_qual), info, cmd_spec_info */
1515 sense->extra_len = 6;
1516 else
1517 /* fru, sense_key_spec */
1518 sense->extra_len = 10;
1519
1520 bcopy(&sbp_cmd_status->cdb, &sense->cmd_spec_info[0], 4);
1521
1522 sense->add_sense_code = sbp_cmd_status->s_code;
1523 sense->add_sense_code_qual = sbp_cmd_status->s_qlfr;
1524 sense->fru = sbp_cmd_status->fru;
1525
1526 bcopy(&sbp_cmd_status->s_keydep[0],
1527 &sense->sense_key_spec[0], 3);
1528
1529 ocb->ccb->csio.scsi_status = sbp_cmd_status->status;;
1530 ocb->ccb->ccb_h.status = CAM_SCSI_STATUS_ERROR
1531 | CAM_AUTOSNS_VALID;
1532/*
1533{
1534 uint8_t j, *tmp;
1535 tmp = sense;
1536 for( j = 0 ; j < 32 ; j+=8){
1537 printf("sense %02x%02x %02x%02x %02x%02x %02x%02x\n",
1538 tmp[j], tmp[j+1], tmp[j+2], tmp[j+3],
1539 tmp[j+4], tmp[j+5], tmp[j+6], tmp[j+7]);
1540 }
1541
1542}
1543*/
1544 break;
1545 default:
1546 sbp_show_sdev_info(ocb->sdev, 2);
1547 printf("sbp_scsi_status: unknown scsi status 0x%x\n",
1548 sbp_cmd_status->status);
1549 }
1550}
1551
1552static void
1553sbp_fix_inq_data(struct sbp_ocb *ocb)
1554{
1555 union ccb *ccb;
1556 struct sbp_dev *sdev;
1557 struct scsi_inquiry_data *inq;
1558
1559 ccb = ocb->ccb;
1560 sdev = ocb->sdev;
1561
1562 if (ccb->csio.cdb_io.cdb_bytes[1] & SI_EVPD)
1563 return;
1564SBP_DEBUG(1)
1565 sbp_show_sdev_info(sdev, 2);
1566 printf("sbp_fix_inq_data\n");
1567END_DEBUG
1568 inq = (struct scsi_inquiry_data *) ccb->csio.data_ptr;
1569 switch (SID_TYPE(inq)) {
1570 case T_DIRECT:
1571#if 0
1572 /*
1573 * XXX Convert Direct Access device to RBC.
1574 * I've never seen FireWire DA devices which support READ_6.
1575 */
1576 if (SID_TYPE(inq) == T_DIRECT)
1577 inq->device |= T_RBC; /* T_DIRECT == 0 */
1578#endif
1579 /* fall through */
1580 case T_RBC:
1581 /*
1582 * Override vendor/product/revision information.
1583 * Some devices sometimes return strange strings.
1584 */
1585#if 1
1586 bcopy(sdev->vendor, inq->vendor, sizeof(inq->vendor));
1587 bcopy(sdev->product, inq->product, sizeof(inq->product));
1588 bcopy(sdev->revision+2, inq->revision, sizeof(inq->revision));
1589#endif
1590 break;
1591 }
1592 /*
1593 * Force to enable/disable tagged queuing.
1594 * XXX CAM also checks SCP_QUEUE_DQUE flag in the control mode page.
1595 */
1596 if (sbp_tags > 0)
1597 inq->flags |= SID_CmdQue;
1598 else if (sbp_tags < 0)
1599 inq->flags &= ~SID_CmdQue;
1600
1601}
1602
1603static void
1604sbp_recv1(struct fw_xfer *xfer)
1605{
1606 struct fw_pkt *rfp;
1607#if NEED_RESPONSE
1608 struct fw_pkt *sfp;
1609#endif
1610 struct sbp_softc *sbp;
1611 struct sbp_dev *sdev;
1612 struct sbp_ocb *ocb;
1613 struct sbp_login_res *login_res = NULL;
1614 struct sbp_status *sbp_status;
1615 struct sbp_target *target;
1616 int orb_fun, status_valid0, status_valid, t, l, reset_agent = 0;
1617 uint32_t addr;
1618/*
1619 uint32_t *ld;
1620 ld = xfer->recv.buf;
1621printf("sbp %x %d %d %08x %08x %08x %08x\n",
1622 xfer->resp, xfer->recv.len, xfer->recv.off, ntohl(ld[0]), ntohl(ld[1]), ntohl(ld[2]), ntohl(ld[3]));
1623printf("sbp %08x %08x %08x %08x\n", ntohl(ld[4]), ntohl(ld[5]), ntohl(ld[6]), ntohl(ld[7]));
1624printf("sbp %08x %08x %08x %08x\n", ntohl(ld[8]), ntohl(ld[9]), ntohl(ld[10]), ntohl(ld[11]));
1625*/
1626 sbp = (struct sbp_softc *)xfer->sc;
1627 if (xfer->resp != 0){
1628 printf("sbp_recv: xfer->resp = %d\n", xfer->resp);
1629 goto done0;
1630 }
1631 if (xfer->recv.payload == NULL){
1632 printf("sbp_recv: xfer->recv.payload == NULL\n");
1633 goto done0;
1634 }
1635 rfp = &xfer->recv.hdr;
1636 if(rfp->mode.wreqb.tcode != FWTCODE_WREQB){
1637 printf("sbp_recv: tcode = %d\n", rfp->mode.wreqb.tcode);
1638 goto done0;
1639 }
1640 sbp_status = (struct sbp_status *)xfer->recv.payload;
1641 addr = rfp->mode.wreqb.dest_lo;
1642SBP_DEBUG(2)
1643 printf("received address 0x%x\n", addr);
1644END_DEBUG
1645 t = SBP_ADDR2TRG(addr);
1646 if (t >= SBP_NUM_TARGETS) {
1647 device_printf(sbp->fd.dev,
1648 "sbp_recv1: invalid target %d\n", t);
1649 goto done0;
1650 }
1651 target = &sbp->targets[t];
1652 l = SBP_ADDR2LUN(addr);
1653 if (l >= target->num_lun || target->luns[l] == NULL) {
1654 device_printf(sbp->fd.dev,
1655 "sbp_recv1: invalid lun %d (target=%d)\n", l, t);
1656 goto done0;
1657 }
1658 sdev = target->luns[l];
1659
1660 ocb = NULL;
1661 switch (sbp_status->src) {
1662 case 0:
1663 case 1:
1664 /* check mgm_ocb_cur first */
1665 ocb = target->mgm_ocb_cur;
1666 if (ocb != NULL) {
1667 if (OCB_MATCH(ocb, sbp_status)) {
1668 callout_stop(&target->mgm_ocb_timeout);
1669 target->mgm_ocb_cur = NULL;
1670 break;
1671 }
1672 }
1673 ocb = sbp_dequeue_ocb(sdev, sbp_status);
1674 if (ocb == NULL) {
1675 sbp_show_sdev_info(sdev, 2);
1676#if defined(__DragonFly__) || __FreeBSD_version < 500000
1677 printf("No ocb(%lx) on the queue\n",
1678#else
1679 printf("No ocb(%x) on the queue\n",
1680#endif
1681 ntohl(sbp_status->orb_lo));
1682 }
1683 break;
1684 case 2:
1685 /* unsolicit */
1686 sbp_show_sdev_info(sdev, 2);
1687 printf("unsolicit status received\n");
1688 break;
1689 default:
1690 sbp_show_sdev_info(sdev, 2);
1691 printf("unknown sbp_status->src\n");
1692 }
1693
1694 status_valid0 = (sbp_status->src < 2
1695 && sbp_status->resp == ORB_RES_CMPL
1696 && sbp_status->dead == 0);
1697 status_valid = (status_valid0 && sbp_status->status == 0);
1698
1699 if (!status_valid0 || debug > 2){
1700 int status;
1701SBP_DEBUG(0)
1702 sbp_show_sdev_info(sdev, 2);
1703 printf("ORB status src:%x resp:%x dead:%x"
1704#if defined(__DragonFly__) || __FreeBSD_version < 500000
1705 " len:%x stat:%x orb:%x%08lx\n",
1706#else
1707 " len:%x stat:%x orb:%x%08x\n",
1708#endif
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));
1712END_DEBUG
1713 sbp_show_sdev_info(sdev, 2);
1714 status = sbp_status->status;
1715 switch(sbp_status->resp) {
1716 case 0:
1717 if (status > MAX_ORB_STATUS0)
1718 printf("%s\n", orb_status0[MAX_ORB_STATUS0]);
1719 else
1720 printf("%s\n", orb_status0[status]);
1721 break;
1722 case 1:
1723 printf("Obj: %s, Error: %s\n",
1724 orb_status1_object[(status>>6) & 3],
1725 orb_status1_serial_bus_error[status & 0xf]);
1726 break;
1727 case 2:
1728 printf("Illegal request\n");
1729 break;
1730 case 3:
1731 printf("Vendor dependent\n");
1732 break;
1733 default:
1734 printf("unknown respose code %d\n", sbp_status->resp);
1735 }
1736 }
1737
1738 /* we have to reset the fetch agent if it's dead */
1739 if (sbp_status->dead) {
1740 if (sdev->path) {
1741 xpt_freeze_devq(sdev->path, 1);
1742 sdev->freeze ++;
1743 }
1744 reset_agent = 1;
1745 }
1746
1747 if (ocb == NULL)
1748 goto done;
1749
1750 switch(ntohl(ocb->orb[4]) & ORB_FMT_MSK){
1751 case ORB_FMT_NOP:
1752 break;
1753 case ORB_FMT_VED:
1754 break;
1755 case ORB_FMT_STD:
1756 switch(ocb->flags) {
1757 case OCB_ACT_MGM:
1758 orb_fun = ntohl(ocb->orb[4]) & ORB_FUN_MSK;
1759 reset_agent = 0;
1760 switch(orb_fun) {
1761 case ORB_FUN_LGI:
1762 fwdma_sync(&sdev->dma, BUS_DMASYNC_POSTREAD);
1763 login_res = sdev->login;
1764 login_res->len = ntohs(login_res->len);
1765 login_res->id = ntohs(login_res->id);
1766 login_res->cmd_hi = ntohs(login_res->cmd_hi);
1767 login_res->cmd_lo = ntohl(login_res->cmd_lo);
1768 if (status_valid) {
1769SBP_DEBUG(0)
1770sbp_show_sdev_info(sdev, 2);
1771printf("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));
1772END_DEBUG
1773 sbp_busy_timeout(sdev);
1774 } else {
1775 /* forgot logout? */
1776 sbp_show_sdev_info(sdev, 2);
1777 printf("login failed\n");
1778 sdev->status = SBP_DEV_RESET;
1779 }
1780 break;
1781 case ORB_FUN_RCN:
1782 login_res = sdev->login;
1783 if (status_valid) {
1784SBP_DEBUG(0)
1785sbp_show_sdev_info(sdev, 2);
1786printf("reconnect: len %d, ID %d, cmd %08x%08x\n", login_res->len, login_res->id, login_res->cmd_hi, login_res->cmd_lo);
1787END_DEBUG
1788#if 1
1789 if (sdev->status == SBP_DEV_ATTACHED)
1790 sbp_scan_dev(sdev);
1791 else
1792 sbp_agent_reset(sdev);
1793#else
1794 sdev->status = SBP_DEV_ATTACHED;
1795 sbp_mgm_orb(sdev, ORB_FUN_ATS, NULL);
1796#endif
1797 } else {
1798 /* reconnection hold time exceed? */
1799SBP_DEBUG(0)
1800 sbp_show_sdev_info(sdev, 2);
1801 printf("reconnect failed\n");
1802END_DEBUG
1803 sbp_login(sdev);
1804 }
1805 break;
1806 case ORB_FUN_LGO:
1807 sdev->status = SBP_DEV_RESET;
1808 break;
1809 case ORB_FUN_RST:
1810 sbp_busy_timeout(sdev);
1811 break;
1812 case ORB_FUN_LUR:
1813 case ORB_FUN_ATA:
1814 case ORB_FUN_ATS:
1815 sbp_agent_reset(sdev);
1816 break;
1817 default:
1818 sbp_show_sdev_info(sdev, 2);
1819 printf("unknown function %d\n", orb_fun);
1820 break;
1821 }
1822 sbp_mgm_orb(sdev, ORB_FUN_RUNQUEUE, NULL);
1823 break;
1824 case OCB_ACT_CMD:
1825 sdev->timeout = 0;
1826 if(ocb->ccb != NULL){
1827 union ccb *ccb;
1828/*
1829 uint32_t *ld;
1830 ld = ocb->ccb->csio.data_ptr;
1831 if(ld != NULL && ocb->ccb->csio.dxfer_len != 0)
1832 printf("ptr %08x %08x %08x %08x\n", ld[0], ld[1], ld[2], ld[3]);
1833 else
1834 printf("ptr NULL\n");
1835printf("len %d\n", sbp_status->len);
1836*/
1837 ccb = ocb->ccb;
1838 if(sbp_status->len > 1){
1839 sbp_scsi_status(sbp_status, ocb);
1840 }else{
1841 if(sbp_status->resp != ORB_RES_CMPL){
1842 ccb->ccb_h.status = CAM_REQ_CMP_ERR;
1843 }else{
1844 ccb->ccb_h.status = CAM_REQ_CMP;
1845 }
1846 }
1847 /* fix up inq data */
1848 if (ccb->csio.cdb_io.cdb_bytes[0] == INQUIRY)
1849 sbp_fix_inq_data(ocb);
1850 xpt_done(ccb);
1851 }
1852 break;
1853 default:
1854 break;
1855 }
1856 }
1857
1858 if (!use_doorbell)
1859 sbp_free_ocb(sdev, ocb);
1860done:
1861 if (reset_agent)
1862 sbp_agent_reset(sdev);
1863
1864done0:
1865 xfer->recv.pay_len = SBP_RECV_LEN;
1866/* The received packet is usually small enough to be stored within
1867 * the buffer. In that case, the controller return ack_complete and
1868 * no respose is necessary.
1869 *
1870 * XXX fwohci.c and firewire.c should inform event_code such as
1871 * ack_complete or ack_pending to upper driver.
1872 */
1873#if NEED_RESPONSE
1874 xfer->send.off = 0;
1875 sfp = (struct fw_pkt *)xfer->send.buf;
1876 sfp->mode.wres.dst = rfp->mode.wreqb.src;
1877 xfer->dst = sfp->mode.wres.dst;
1878 xfer->spd = min(sdev->target->fwdev->speed, max_speed);
1879 xfer->hand = sbp_loginres_callback;
1880
1881 sfp->mode.wres.tlrt = rfp->mode.wreqb.tlrt;
1882 sfp->mode.wres.tcode = FWTCODE_WRES;
1883 sfp->mode.wres.rtcode = 0;
1884 sfp->mode.wres.pri = 0;
1885
1886 fw_asyreq(xfer->fc, -1, xfer);
1887#else
1888 /* recycle */
1889 STAILQ_INSERT_TAIL(&sbp->fwb.xferlist, xfer, link);
1890#endif
1891
1892 return;
1893
1894}
1895
1896static void
1897sbp_recv(struct fw_xfer *xfer)
1898{
1899 int s;
1900
1901 s = splcam();
1902 sbp_recv1(xfer);
1903 splx(s);
1904}
1905/*
1906 * sbp_attach()
1907 */
1908static int
1909sbp_attach(device_t dev)
1910{
1911 struct sbp_softc *sbp;
1912 struct cam_devq *devq;
1913 struct fw_xfer *xfer;
1914 int i, s, error;
1915
1916 if (DFLTPHYS > SBP_MAXPHYS)
1917 device_printf(dev, "Warning, DFLTPHYS(%dKB) is larger than "
1918 "SBP_MAXPHYS(%dKB).\n", DFLTPHYS / 1024,
1919 SBP_MAXPHYS / 1024);
1920
1921SBP_DEBUG(0)
1922 printf("sbp_attach (cold=%d)\n", cold);
1923END_DEBUG
1924
1925 if (cold)
1926 sbp_cold ++;
1927 sbp = ((struct sbp_softc *)device_get_softc(dev));
1928 bzero(sbp, sizeof(struct sbp_softc));
1929 sbp->fd.dev = dev;
1930 sbp->fd.fc = device_get_ivars(dev);
1931
1932 if (max_speed < 0)
1933 max_speed = sbp->fd.fc->speed;
1934
1935 error = bus_dma_tag_create(/*parent*/sbp->fd.fc->dmat,
1936 /* XXX shoud be 4 for sane backend? */
1937 /*alignment*/1,
1938 /*boundary*/0,
1939 /*lowaddr*/BUS_SPACE_MAXADDR_32BIT,
1940 /*highaddr*/BUS_SPACE_MAXADDR,
1941 /*filter*/NULL, /*filterarg*/NULL,
1942 /*maxsize*/0x100000, /*nsegments*/SBP_IND_MAX,
1943 /*maxsegsz*/SBP_SEG_MAX,
1944 /*flags*/BUS_DMA_ALLOCNOW,
1945#if defined(__FreeBSD__) && __FreeBSD_version >= 501102
1946 /*lockfunc*/busdma_lock_mutex,
1947 /*lockarg*/&Giant,
1948#endif
1949 &sbp->dmat);
1950 if (error != 0) {
1951 printf("sbp_attach: Could not allocate DMA tag "
1952 "- error %d\n", error);
1953 return (ENOMEM);
1954 }
1955
1956 devq = cam_simq_alloc(/*maxopenings*/SBP_NUM_OCB);
1957 if (devq == NULL)
1958 return (ENXIO);
1959
1960 for( i = 0 ; i < SBP_NUM_TARGETS ; i++){
1961 sbp->targets[i].fwdev = NULL;
1962 sbp->targets[i].luns = NULL;
1963 }
1964
1965 sbp->sim = cam_sim_alloc(sbp_action, sbp_poll, "sbp", sbp,
1966 device_get_unit(dev),
| 35 *
36 */
37
38#include <sys/param.h>
39#include <sys/systm.h>
40#include <sys/module.h>
41#include <sys/bus.h>
42#include <sys/kernel.h>
43#include <sys/sysctl.h>
44#include <machine/bus.h>
45#include <sys/malloc.h>
46#if defined(__FreeBSD__) && __FreeBSD_version >= 501102
47#include <sys/lock.h>
48#include <sys/mutex.h>
49#endif
50
51#if defined(__DragonFly__) || __FreeBSD_version < 500106
52#include <sys/devicestat.h> /* for struct devstat */
53#endif
54
55#ifdef __DragonFly__
56#include <bus/cam/cam.h>
57#include <bus/cam/cam_ccb.h>
58#include <bus/cam/cam_sim.h>
59#include <bus/cam/cam_xpt_sim.h>
60#include <bus/cam/cam_debug.h>
61#include <bus/cam/cam_periph.h>
62#include <bus/cam/scsi/scsi_all.h>
63
64#include <bus/firewire/firewire.h>
65#include <bus/firewire/firewirereg.h>
66#include <bus/firewire/fwdma.h>
67#include <bus/firewire/iec13213.h>
68#include "sbp.h"
69#else
70#include <cam/cam.h>
71#include <cam/cam_ccb.h>
72#include <cam/cam_sim.h>
73#include <cam/cam_xpt_sim.h>
74#include <cam/cam_debug.h>
75#include <cam/cam_periph.h>
76#include <cam/scsi/scsi_all.h>
77
78#include <dev/firewire/firewire.h>
79#include <dev/firewire/firewirereg.h>
80#include <dev/firewire/fwdma.h>
81#include <dev/firewire/iec13213.h>
82#include <dev/firewire/sbp.h>
83#endif
84
85#define ccb_sdev_ptr spriv_ptr0
86#define ccb_sbp_ptr spriv_ptr1
87
88#define SBP_NUM_TARGETS 8 /* MAX 64 */
89/*
90 * Scan_bus doesn't work for more than 8 LUNs
91 * because of CAM_SCSI2_MAXLUN in cam_xpt.c
92 */
93#define SBP_NUM_LUNS 64
94#define SBP_MAXPHYS MIN(MAXPHYS, (512*1024) /* 512KB */)
95#define SBP_DMA_SIZE PAGE_SIZE
96#define SBP_LOGIN_SIZE sizeof(struct sbp_login_res)
97#define SBP_QUEUE_LEN ((SBP_DMA_SIZE - SBP_LOGIN_SIZE) / sizeof(struct sbp_ocb))
98#define SBP_NUM_OCB (SBP_QUEUE_LEN * SBP_NUM_TARGETS)
99
100/*
101 * STATUS FIFO addressing
102 * bit
103 * -----------------------
104 * 0- 1( 2): 0 (alignment)
105 * 2- 7( 6): target
106 * 8-15( 8): lun
107 * 16-31( 8): reserved
108 * 32-47(16): SBP_BIND_HI
109 * 48-64(16): bus_id, node_id
110 */
111#define SBP_BIND_HI 0x1
112#define SBP_DEV2ADDR(t, l) \
113 (((u_int64_t)SBP_BIND_HI << 32) \
114 | (((l) & 0xff) << 8) \
115 | (((t) & 0x3f) << 2))
116#define SBP_ADDR2TRG(a) (((a) >> 2) & 0x3f)
117#define SBP_ADDR2LUN(a) (((a) >> 8) & 0xff)
118#define SBP_INITIATOR 7
119
120static char *orb_fun_name[] = {
121 ORB_FUN_NAMES
122};
123
124static int debug = 0;
125static int auto_login = 1;
126static int max_speed = -1;
127static int sbp_cold = 1;
128static int ex_login = 1;
129static int login_delay = 1000; /* msec */
130static int scan_delay = 500; /* msec */
131static int use_doorbell = 0;
132static int sbp_tags = 0;
133
134SYSCTL_DECL(_hw_firewire);
135SYSCTL_NODE(_hw_firewire, OID_AUTO, sbp, CTLFLAG_RD, 0, "SBP-II Subsystem");
136SYSCTL_INT(_debug, OID_AUTO, sbp_debug, CTLFLAG_RW, &debug, 0,
137 "SBP debug flag");
138SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, auto_login, CTLFLAG_RW, &auto_login, 0,
139 "SBP perform login automatically");
140SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, max_speed, CTLFLAG_RW, &max_speed, 0,
141 "SBP transfer max speed");
142SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, exclusive_login, CTLFLAG_RW,
143 &ex_login, 0, "SBP enable exclusive login");
144SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, login_delay, CTLFLAG_RW,
145 &login_delay, 0, "SBP login delay in msec");
146SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, scan_delay, CTLFLAG_RW,
147 &scan_delay, 0, "SBP scan delay in msec");
148SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, use_doorbell, CTLFLAG_RW,
149 &use_doorbell, 0, "SBP use doorbell request");
150SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, tags, CTLFLAG_RW, &sbp_tags, 0,
151 "SBP tagged queuing support");
152
153TUNABLE_INT("hw.firewire.sbp.auto_login", &auto_login);
154TUNABLE_INT("hw.firewire.sbp.max_speed", &max_speed);
155TUNABLE_INT("hw.firewire.sbp.exclusive_login", &ex_login);
156TUNABLE_INT("hw.firewire.sbp.login_delay", &login_delay);
157TUNABLE_INT("hw.firewire.sbp.scan_delay", &scan_delay);
158TUNABLE_INT("hw.firewire.sbp.use_doorbell", &use_doorbell);
159TUNABLE_INT("hw.firewire.sbp.tags", &sbp_tags);
160
161#define NEED_RESPONSE 0
162
163#define SBP_SEG_MAX rounddown(0xffff, PAGE_SIZE)
164#ifdef __sparc64__ /* iommu */
165#define SBP_IND_MAX howmany(SBP_MAXPHYS, SBP_SEG_MAX)
166#else
167#define SBP_IND_MAX howmany(SBP_MAXPHYS, PAGE_SIZE)
168#endif
169struct sbp_ocb {
170 STAILQ_ENTRY(sbp_ocb) ocb;
171 union ccb *ccb;
172 bus_addr_t bus_addr;
173 uint32_t orb[8];
174#define IND_PTR_OFFSET (8*sizeof(uint32_t))
175 struct ind_ptr ind_ptr[SBP_IND_MAX];
176 struct sbp_dev *sdev;
177 int flags; /* XXX should be removed */
178 bus_dmamap_t dmamap;
179};
180
181#define OCB_ACT_MGM 0
182#define OCB_ACT_CMD 1
183#define OCB_MATCH(o,s) ((o)->bus_addr == ntohl((s)->orb_lo))
184
185struct sbp_dev{
186#define SBP_DEV_RESET 0 /* accept login */
187#define SBP_DEV_LOGIN 1 /* to login */
188#if 0
189#define SBP_DEV_RECONN 2 /* to reconnect */
190#endif
191#define SBP_DEV_TOATTACH 3 /* to attach */
192#define SBP_DEV_PROBE 4 /* scan lun */
193#define SBP_DEV_ATTACHED 5 /* in operation */
194#define SBP_DEV_DEAD 6 /* unavailable unit */
195#define SBP_DEV_RETRY 7 /* unavailable unit */
196 uint8_t status:4,
197 timeout:4;
198 uint8_t type;
199 uint16_t lun_id;
200 uint16_t freeze;
201#define ORB_LINK_DEAD (1 << 0)
202#define VALID_LUN (1 << 1)
203#define ORB_POINTER_ACTIVE (1 << 2)
204#define ORB_POINTER_NEED (1 << 3)
205#define ORB_DOORBELL_ACTIVE (1 << 4)
206#define ORB_DOORBELL_NEED (1 << 5)
207#define ORB_SHORTAGE (1 << 6)
208 uint16_t flags;
209 struct cam_path *path;
210 struct sbp_target *target;
211 struct fwdma_alloc dma;
212 struct sbp_login_res *login;
213 struct callout login_callout;
214 struct sbp_ocb *ocb;
215 STAILQ_HEAD(, sbp_ocb) ocbs;
216 STAILQ_HEAD(, sbp_ocb) free_ocbs;
217 struct sbp_ocb *last_ocb;
218 char vendor[32];
219 char product[32];
220 char revision[10];
221};
222
223struct sbp_target {
224 int target_id;
225 int num_lun;
226 struct sbp_dev **luns;
227 struct sbp_softc *sbp;
228 struct fw_device *fwdev;
229 uint32_t mgm_hi, mgm_lo;
230 struct sbp_ocb *mgm_ocb_cur;
231 STAILQ_HEAD(, sbp_ocb) mgm_ocb_queue;
232 struct callout mgm_ocb_timeout;
233 struct callout scan_callout;
234 STAILQ_HEAD(, fw_xfer) xferlist;
235 int n_xfer;
236};
237
238struct sbp_softc {
239 struct firewire_dev_comm fd;
240 struct cam_sim *sim;
241 struct cam_path *path;
242 struct sbp_target targets[SBP_NUM_TARGETS];
243 struct fw_bind fwb;
244 bus_dma_tag_t dmat;
245 struct timeval last_busreset;
246#define SIMQ_FREEZED 1
247 int flags;
248};
249
250static void sbp_post_explore (void *);
251static void sbp_recv (struct fw_xfer *);
252static void sbp_mgm_callback (struct fw_xfer *);
253#if 0
254static void sbp_cmd_callback (struct fw_xfer *);
255#endif
256static void sbp_orb_pointer (struct sbp_dev *, struct sbp_ocb *);
257static void sbp_doorbell(struct sbp_dev *);
258static void sbp_execute_ocb (void *, bus_dma_segment_t *, int, int);
259static void sbp_free_ocb (struct sbp_dev *, struct sbp_ocb *);
260static void sbp_abort_ocb (struct sbp_ocb *, int);
261static void sbp_abort_all_ocbs (struct sbp_dev *, int);
262static struct fw_xfer * sbp_write_cmd (struct sbp_dev *, int, int);
263static struct sbp_ocb * sbp_get_ocb (struct sbp_dev *);
264static struct sbp_ocb * sbp_enqueue_ocb (struct sbp_dev *, struct sbp_ocb *);
265static struct sbp_ocb * sbp_dequeue_ocb (struct sbp_dev *, struct sbp_status *);
266static void sbp_cam_detach_sdev(struct sbp_dev *);
267static void sbp_free_sdev(struct sbp_dev *);
268static void sbp_cam_detach_target (struct sbp_target *);
269static void sbp_free_target (struct sbp_target *);
270static void sbp_mgm_timeout (void *arg);
271static void sbp_timeout (void *arg);
272static void sbp_mgm_orb (struct sbp_dev *, int, struct sbp_ocb *);
273
274MALLOC_DEFINE(M_SBP, "sbp", "SBP-II/FireWire");
275
276/* cam related functions */
277static void sbp_action(struct cam_sim *sim, union ccb *ccb);
278static void sbp_poll(struct cam_sim *sim);
279static void sbp_cam_scan_lun(struct cam_periph *, union ccb *);
280static void sbp_cam_scan_target(void *arg);
281
282static char *orb_status0[] = {
283 /* 0 */ "No additional information to report",
284 /* 1 */ "Request type not supported",
285 /* 2 */ "Speed not supported",
286 /* 3 */ "Page size not supported",
287 /* 4 */ "Access denied",
288 /* 5 */ "Logical unit not supported",
289 /* 6 */ "Maximum payload too small",
290 /* 7 */ "Reserved for future standardization",
291 /* 8 */ "Resources unavailable",
292 /* 9 */ "Function rejected",
293 /* A */ "Login ID not recognized",
294 /* B */ "Dummy ORB completed",
295 /* C */ "Request aborted",
296 /* FF */ "Unspecified error"
297#define MAX_ORB_STATUS0 0xd
298};
299
300static char *orb_status1_object[] = {
301 /* 0 */ "Operation request block (ORB)",
302 /* 1 */ "Data buffer",
303 /* 2 */ "Page table",
304 /* 3 */ "Unable to specify"
305};
306
307static char *orb_status1_serial_bus_error[] = {
308 /* 0 */ "Missing acknowledge",
309 /* 1 */ "Reserved; not to be used",
310 /* 2 */ "Time-out error",
311 /* 3 */ "Reserved; not to be used",
312 /* 4 */ "Busy retry limit exceeded(X)",
313 /* 5 */ "Busy retry limit exceeded(A)",
314 /* 6 */ "Busy retry limit exceeded(B)",
315 /* 7 */ "Reserved for future standardization",
316 /* 8 */ "Reserved for future standardization",
317 /* 9 */ "Reserved for future standardization",
318 /* A */ "Reserved for future standardization",
319 /* B */ "Tardy retry limit exceeded",
320 /* C */ "Conflict error",
321 /* D */ "Data error",
322 /* E */ "Type error",
323 /* F */ "Address error"
324};
325
326static void
327sbp_identify(driver_t *driver, device_t parent)
328{
329 device_t child;
330SBP_DEBUG(0)
331 printf("sbp_identify\n");
332END_DEBUG
333
334 child = BUS_ADD_CHILD(parent, 0, "sbp", device_get_unit(parent));
335}
336
337/*
338 * sbp_probe()
339 */
340static int
341sbp_probe(device_t dev)
342{
343 device_t pa;
344
345SBP_DEBUG(0)
346 printf("sbp_probe\n");
347END_DEBUG
348
349 pa = device_get_parent(dev);
350 if(device_get_unit(dev) != device_get_unit(pa)){
351 return(ENXIO);
352 }
353
354 device_set_desc(dev, "SBP-2/SCSI over FireWire");
355
356#if 0
357 if (bootverbose)
358 debug = bootverbose;
359#endif
360
361 return (0);
362}
363
364static void
365sbp_show_sdev_info(struct sbp_dev *sdev, int new)
366{
367 struct fw_device *fwdev;
368
369 printf("%s:%d:%d ",
370 device_get_nameunit(sdev->target->sbp->fd.dev),
371 sdev->target->target_id,
372 sdev->lun_id
373 );
374 if (new == 2) {
375 return;
376 }
377 fwdev = sdev->target->fwdev;
378 printf("ordered:%d type:%d EUI:%08x%08x node:%d "
379 "speed:%d maxrec:%d",
380 (sdev->type & 0x40) >> 6,
381 (sdev->type & 0x1f),
382 fwdev->eui.hi,
383 fwdev->eui.lo,
384 fwdev->dst,
385 fwdev->speed,
386 fwdev->maxrec
387 );
388 if (new)
389 printf(" new!\n");
390 else
391 printf("\n");
392 sbp_show_sdev_info(sdev, 2);
393 printf("'%s' '%s' '%s'\n", sdev->vendor, sdev->product, sdev->revision);
394}
395
396static struct {
397 int bus;
398 int target;
399 struct fw_eui64 eui;
400} wired[] = {
401 /* Bus Target EUI64 */
402#if 0
403 {0, 2, {0x00018ea0, 0x01fd0154}}, /* Logitec HDD */
404 {0, 0, {0x00018ea6, 0x00100682}}, /* Logitec DVD */
405 {0, 1, {0x00d03200, 0xa412006a}}, /* Yano HDD */
406#endif
407 {-1, -1, {0,0}}
408};
409
410static int
411sbp_new_target(struct sbp_softc *sbp, struct fw_device *fwdev)
412{
413 int bus, i, target=-1;
414 char w[SBP_NUM_TARGETS];
415
416 bzero(w, sizeof(w));
417 bus = device_get_unit(sbp->fd.dev);
418
419 /* XXX wired-down configuration should be gotten from
420 tunable or device hint */
421 for (i = 0; wired[i].bus >= 0; i ++) {
422 if (wired[i].bus == bus) {
423 w[wired[i].target] = 1;
424 if (wired[i].eui.hi == fwdev->eui.hi &&
425 wired[i].eui.lo == fwdev->eui.lo)
426 target = wired[i].target;
427 }
428 }
429 if (target >= 0) {
430 if(target < SBP_NUM_TARGETS &&
431 sbp->targets[target].fwdev == NULL)
432 return(target);
433 device_printf(sbp->fd.dev,
434 "target %d is not free for %08x:%08x\n",
435 target, fwdev->eui.hi, fwdev->eui.lo);
436 target = -1;
437 }
438 /* non-wired target */
439 for (i = 0; i < SBP_NUM_TARGETS; i ++)
440 if (sbp->targets[i].fwdev == NULL && w[i] == 0) {
441 target = i;
442 break;
443 }
444
445 return target;
446}
447
448static void
449sbp_alloc_lun(struct sbp_target *target)
450{
451 struct crom_context cc;
452 struct csrreg *reg;
453 struct sbp_dev *sdev, **newluns;
454 struct sbp_softc *sbp;
455 int maxlun, lun, i;
456
457 sbp = target->sbp;
458 crom_init_context(&cc, target->fwdev->csrrom);
459 /* XXX shoud parse appropriate unit directories only */
460 maxlun = -1;
461 while (cc.depth >= 0) {
462 reg = crom_search_key(&cc, CROM_LUN);
463 if (reg == NULL)
464 break;
465 lun = reg->val & 0xffff;
466SBP_DEBUG(0)
467 printf("target %d lun %d found\n", target->target_id, lun);
468END_DEBUG
469 if (maxlun < lun)
470 maxlun = lun;
471 crom_next(&cc);
472 }
473 if (maxlun < 0)
474 printf("%s:%d no LUN found\n",
475 device_get_nameunit(target->sbp->fd.dev),
476 target->target_id);
477
478 maxlun ++;
479 if (maxlun >= SBP_NUM_LUNS)
480 maxlun = SBP_NUM_LUNS;
481
482 /* Invalidiate stale devices */
483 for (lun = 0; lun < target->num_lun; lun ++) {
484 sdev = target->luns[lun];
485 if (sdev == NULL)
486 continue;
487 sdev->flags &= ~VALID_LUN;
488 if (lun >= maxlun) {
489 /* lost device */
490 sbp_cam_detach_sdev(sdev);
491 sbp_free_sdev(sdev);
492 }
493 }
494
495 /* Reallocate */
496 if (maxlun != target->num_lun) {
497 newluns = (struct sbp_dev **) realloc(target->luns,
498 sizeof(struct sbp_dev *) * maxlun,
499 M_SBP, M_NOWAIT | M_ZERO);
500
501 if (newluns == NULL) {
502 printf("%s: realloc failed\n", __func__);
503 newluns = target->luns;
504 maxlun = target->num_lun;
505 }
506
507 /*
508 * We must zero the extended region for the case
509 * realloc() doesn't allocate new buffer.
510 */
511 if (maxlun > target->num_lun)
512 bzero(&newluns[target->num_lun],
513 sizeof(struct sbp_dev *) *
514 (maxlun - target->num_lun));
515
516 target->luns = newluns;
517 target->num_lun = maxlun;
518 }
519
520 crom_init_context(&cc, target->fwdev->csrrom);
521 while (cc.depth >= 0) {
522 int new = 0;
523
524 reg = crom_search_key(&cc, CROM_LUN);
525 if (reg == NULL)
526 break;
527 lun = reg->val & 0xffff;
528 if (lun >= SBP_NUM_LUNS) {
529 printf("too large lun %d\n", lun);
530 goto next;
531 }
532
533 sdev = target->luns[lun];
534 if (sdev == NULL) {
535 sdev = malloc(sizeof(struct sbp_dev),
536 M_SBP, M_NOWAIT | M_ZERO);
537 if (sdev == NULL) {
538 printf("%s: malloc failed\n", __func__);
539 goto next;
540 }
541 target->luns[lun] = sdev;
542 sdev->lun_id = lun;
543 sdev->target = target;
544 STAILQ_INIT(&sdev->ocbs);
545 CALLOUT_INIT(&sdev->login_callout);
546 sdev->status = SBP_DEV_RESET;
547 new = 1;
548 }
549 sdev->flags |= VALID_LUN;
550 sdev->type = (reg->val & 0xff0000) >> 16;
551
552 if (new == 0)
553 goto next;
554
555 fwdma_malloc(sbp->fd.fc,
556 /* alignment */ sizeof(uint32_t),
557 SBP_DMA_SIZE, &sdev->dma, BUS_DMA_NOWAIT);
558 if (sdev->dma.v_addr == NULL) {
559 printf("%s: dma space allocation failed\n",
560 __func__);
561 free(sdev, M_SBP);
562 target->luns[lun] = NULL;
563 goto next;
564 }
565 sdev->login = (struct sbp_login_res *) sdev->dma.v_addr;
566 sdev->ocb = (struct sbp_ocb *)
567 ((char *)sdev->dma.v_addr + SBP_LOGIN_SIZE);
568 bzero((char *)sdev->ocb,
569 sizeof (struct sbp_ocb) * SBP_QUEUE_LEN);
570
571 STAILQ_INIT(&sdev->free_ocbs);
572 for (i = 0; i < SBP_QUEUE_LEN; i++) {
573 struct sbp_ocb *ocb;
574 ocb = &sdev->ocb[i];
575 ocb->bus_addr = sdev->dma.bus_addr
576 + SBP_LOGIN_SIZE
577 + sizeof(struct sbp_ocb) * i
578 + offsetof(struct sbp_ocb, orb[0]);
579 if (bus_dmamap_create(sbp->dmat, 0, &ocb->dmamap)) {
580 printf("sbp_attach: cannot create dmamap\n");
581 /* XXX */
582 goto next;
583 }
584 sbp_free_ocb(sdev, ocb);
585 }
586next:
587 crom_next(&cc);
588 }
589
590 for (lun = 0; lun < target->num_lun; lun ++) {
591 sdev = target->luns[lun];
592 if (sdev != NULL && (sdev->flags & VALID_LUN) == 0) {
593 sbp_cam_detach_sdev(sdev);
594 sbp_free_sdev(sdev);
595 target->luns[lun] = NULL;
596 }
597 }
598}
599
600static struct sbp_target *
601sbp_alloc_target(struct sbp_softc *sbp, struct fw_device *fwdev)
602{
603 int i;
604 struct sbp_target *target;
605 struct crom_context cc;
606 struct csrreg *reg;
607
608SBP_DEBUG(1)
609 printf("sbp_alloc_target\n");
610END_DEBUG
611 i = sbp_new_target(sbp, fwdev);
612 if (i < 0) {
613 device_printf(sbp->fd.dev, "increase SBP_NUM_TARGETS!\n");
614 return NULL;
615 }
616 /* new target */
617 target = &sbp->targets[i];
618 target->sbp = sbp;
619 target->fwdev = fwdev;
620 target->target_id = i;
621 /* XXX we may want to reload mgm port after each bus reset */
622 /* XXX there might be multiple management agents */
623 crom_init_context(&cc, target->fwdev->csrrom);
624 reg = crom_search_key(&cc, CROM_MGM);
625 if (reg == NULL || reg->val == 0) {
626 printf("NULL management address\n");
627 target->fwdev = NULL;
628 return NULL;
629 }
630 target->mgm_hi = 0xffff;
631 target->mgm_lo = 0xf0000000 | (reg->val << 2);
632 target->mgm_ocb_cur = NULL;
633SBP_DEBUG(1)
634 printf("target:%d mgm_port: %x\n", i, target->mgm_lo);
635END_DEBUG
636 STAILQ_INIT(&target->xferlist);
637 target->n_xfer = 0;
638 STAILQ_INIT(&target->mgm_ocb_queue);
639 CALLOUT_INIT(&target->mgm_ocb_timeout);
640 CALLOUT_INIT(&target->scan_callout);
641
642 target->luns = NULL;
643 target->num_lun = 0;
644 return target;
645}
646
647static void
648sbp_probe_lun(struct sbp_dev *sdev)
649{
650 struct fw_device *fwdev;
651 struct crom_context c, *cc = &c;
652 struct csrreg *reg;
653
654 bzero(sdev->vendor, sizeof(sdev->vendor));
655 bzero(sdev->product, sizeof(sdev->product));
656
657 fwdev = sdev->target->fwdev;
658 crom_init_context(cc, fwdev->csrrom);
659 /* get vendor string */
660 crom_search_key(cc, CSRKEY_VENDOR);
661 crom_next(cc);
662 crom_parse_text(cc, sdev->vendor, sizeof(sdev->vendor));
663 /* skip to the unit directory for SBP-2 */
664 while ((reg = crom_search_key(cc, CSRKEY_VER)) != NULL) {
665 if (reg->val == CSRVAL_T10SBP2)
666 break;
667 crom_next(cc);
668 }
669 /* get firmware revision */
670 reg = crom_search_key(cc, CSRKEY_FIRM_VER);
671 if (reg != NULL)
672 snprintf(sdev->revision, sizeof(sdev->revision),
673 "%06x", reg->val);
674 /* get product string */
675 crom_search_key(cc, CSRKEY_MODEL);
676 crom_next(cc);
677 crom_parse_text(cc, sdev->product, sizeof(sdev->product));
678}
679
680static void
681sbp_login_callout(void *arg)
682{
683 struct sbp_dev *sdev = (struct sbp_dev *)arg;
684 sbp_mgm_orb(sdev, ORB_FUN_LGI, NULL);
685}
686
687static void
688sbp_login(struct sbp_dev *sdev)
689{
690 struct timeval delta;
691 struct timeval t;
692 int ticks = 0;
693
694 microtime(&delta);
695 timevalsub(&delta, &sdev->target->sbp->last_busreset);
696 t.tv_sec = login_delay / 1000;
697 t.tv_usec = (login_delay % 1000) * 1000;
698 timevalsub(&t, &delta);
699 if (t.tv_sec >= 0 && t.tv_usec > 0)
700 ticks = (t.tv_sec * 1000 + t.tv_usec / 1000) * hz / 1000;
701SBP_DEBUG(0)
702 printf("%s: sec = %jd usec = %ld ticks = %d\n", __func__,
703 (intmax_t)t.tv_sec, t.tv_usec, ticks);
704END_DEBUG
705 callout_reset(&sdev->login_callout, ticks,
706 sbp_login_callout, (void *)(sdev));
707}
708
709#define SBP_FWDEV_ALIVE(fwdev) (((fwdev)->status == FWDEVATTACHED) \
710 && crom_has_specver((fwdev)->csrrom, CSRVAL_ANSIT10, CSRVAL_T10SBP2))
711
712static void
713sbp_probe_target(void *arg)
714{
715 struct sbp_target *target = (struct sbp_target *)arg;
716 struct sbp_softc *sbp;
717 struct sbp_dev *sdev;
718 struct firewire_comm *fc;
719 int i, alive;
720
721 alive = SBP_FWDEV_ALIVE(target->fwdev);
722SBP_DEBUG(1)
723 printf("sbp_probe_target %d\n", target->target_id);
724 if (!alive)
725 printf("not alive\n");
726END_DEBUG
727
728 sbp = target->sbp;
729 fc = target->sbp->fd.fc;
730 sbp_alloc_lun(target);
731
732 /* XXX untimeout mgm_ocb and dequeue */
733 for (i=0; i < target->num_lun; i++) {
734 sdev = target->luns[i];
735 if (sdev == NULL)
736 continue;
737 if (alive && (sdev->status != SBP_DEV_DEAD)) {
738 if (sdev->path != NULL) {
739 xpt_freeze_devq(sdev->path, 1);
740 sdev->freeze ++;
741 }
742 sbp_probe_lun(sdev);
743SBP_DEBUG(0)
744 sbp_show_sdev_info(sdev,
745 (sdev->status == SBP_DEV_RESET));
746END_DEBUG
747
748 sbp_abort_all_ocbs(sdev, CAM_SCSI_BUS_RESET);
749 switch (sdev->status) {
750 case SBP_DEV_RESET:
751 /* new or revived target */
752 if (auto_login)
753 sbp_login(sdev);
754 break;
755 case SBP_DEV_TOATTACH:
756 case SBP_DEV_PROBE:
757 case SBP_DEV_ATTACHED:
758 case SBP_DEV_RETRY:
759 default:
760 sbp_mgm_orb(sdev, ORB_FUN_RCN, NULL);
761 break;
762 }
763 } else {
764 switch (sdev->status) {
765 case SBP_DEV_ATTACHED:
766SBP_DEBUG(0)
767 /* the device has gone */
768 sbp_show_sdev_info(sdev, 2);
769 printf("lost target\n");
770END_DEBUG
771 if (sdev->path) {
772 xpt_freeze_devq(sdev->path, 1);
773 sdev->freeze ++;
774 }
775 sdev->status = SBP_DEV_RETRY;
776 sbp_abort_all_ocbs(sdev, CAM_SCSI_BUS_RESET);
777 break;
778 case SBP_DEV_PROBE:
779 case SBP_DEV_TOATTACH:
780 sdev->status = SBP_DEV_RESET;
781 break;
782 case SBP_DEV_RETRY:
783 case SBP_DEV_RESET:
784 case SBP_DEV_DEAD:
785 break;
786 }
787 }
788 }
789}
790
791static void
792sbp_post_busreset(void *arg)
793{
794 struct sbp_softc *sbp;
795
796 sbp = (struct sbp_softc *)arg;
797SBP_DEBUG(0)
798 printf("sbp_post_busreset\n");
799END_DEBUG
800 if ((sbp->sim->flags & SIMQ_FREEZED) == 0) {
801 xpt_freeze_simq(sbp->sim, /*count*/1);
802 sbp->sim->flags |= SIMQ_FREEZED;
803 }
804 microtime(&sbp->last_busreset);
805}
806
807static void
808sbp_post_explore(void *arg)
809{
810 struct sbp_softc *sbp = (struct sbp_softc *)arg;
811 struct sbp_target *target;
812 struct fw_device *fwdev;
813 int i, alive;
814
815SBP_DEBUG(0)
816 printf("sbp_post_explore (sbp_cold=%d)\n", sbp_cold);
817END_DEBUG
818 if (sbp_cold > 0)
819 sbp_cold --;
820
821#if 0
822 /*
823 * XXX don't let CAM the bus rest.
824 * CAM tries to do something with freezed (DEV_RETRY) devices.
825 */
826 xpt_async(AC_BUS_RESET, sbp->path, /*arg*/ NULL);
827#endif
828
829 /* Garbage Collection */
830 for(i = 0 ; i < SBP_NUM_TARGETS ; i ++){
831 target = &sbp->targets[i];
832 STAILQ_FOREACH(fwdev, &sbp->fd.fc->devices, link)
833 if (target->fwdev == NULL || target->fwdev == fwdev)
834 break;
835 if (fwdev == NULL) {
836 /* device has removed in lower driver */
837 sbp_cam_detach_target(target);
838 sbp_free_target(target);
839 }
840 }
841 /* traverse device list */
842 STAILQ_FOREACH(fwdev, &sbp->fd.fc->devices, link) {
843SBP_DEBUG(0)
844 printf("sbp_post_explore: EUI:%08x%08x ",
845 fwdev->eui.hi, fwdev->eui.lo);
846 if (fwdev->status != FWDEVATTACHED)
847 printf("not attached, state=%d.\n", fwdev->status);
848 else
849 printf("attached\n");
850END_DEBUG
851 alive = SBP_FWDEV_ALIVE(fwdev);
852 for(i = 0 ; i < SBP_NUM_TARGETS ; i ++){
853 target = &sbp->targets[i];
854 if(target->fwdev == fwdev ) {
855 /* known target */
856 break;
857 }
858 }
859 if(i == SBP_NUM_TARGETS){
860 if (alive) {
861 /* new target */
862 target = sbp_alloc_target(sbp, fwdev);
863 if (target == NULL)
864 continue;
865 } else {
866 continue;
867 }
868 }
869 sbp_probe_target((void *)target);
870 if (target->num_lun == 0)
871 sbp_free_target(target);
872 }
873 xpt_release_simq(sbp->sim, /*run queue*/TRUE);
874 sbp->sim->flags &= ~SIMQ_FREEZED;
875}
876
877#if NEED_RESPONSE
878static void
879sbp_loginres_callback(struct fw_xfer *xfer){
880 int s;
881 struct sbp_dev *sdev;
882 sdev = (struct sbp_dev *)xfer->sc;
883SBP_DEBUG(1)
884 sbp_show_sdev_info(sdev, 2);
885 printf("sbp_loginres_callback\n");
886END_DEBUG
887 /* recycle */
888 s = splfw();
889 STAILQ_INSERT_TAIL(&sdev->target->sbp->fwb.xferlist, xfer, link);
890 splx(s);
891 return;
892}
893#endif
894
895static __inline void
896sbp_xfer_free(struct fw_xfer *xfer)
897{
898 struct sbp_dev *sdev;
899 int s;
900
901 sdev = (struct sbp_dev *)xfer->sc;
902 fw_xfer_unload(xfer);
903 s = splfw();
904 STAILQ_INSERT_TAIL(&sdev->target->xferlist, xfer, link);
905 splx(s);
906}
907
908static void
909sbp_reset_start_callback(struct fw_xfer *xfer)
910{
911 struct sbp_dev *tsdev, *sdev = (struct sbp_dev *)xfer->sc;
912 struct sbp_target *target = sdev->target;
913 int i;
914
915 if (xfer->resp != 0) {
916 sbp_show_sdev_info(sdev, 2);
917 printf("sbp_reset_start failed: resp=%d\n", xfer->resp);
918 }
919
920 for (i = 0; i < target->num_lun; i++) {
921 tsdev = target->luns[i];
922 if (tsdev != NULL && tsdev->status == SBP_DEV_LOGIN)
923 sbp_login(tsdev);
924 }
925}
926
927static void
928sbp_reset_start(struct sbp_dev *sdev)
929{
930 struct fw_xfer *xfer;
931 struct fw_pkt *fp;
932
933SBP_DEBUG(0)
934 sbp_show_sdev_info(sdev, 2);
935 printf("sbp_reset_start\n");
936END_DEBUG
937
938 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0);
939 xfer->hand = sbp_reset_start_callback;
940 fp = &xfer->send.hdr;
941 fp->mode.wreqq.dest_hi = 0xffff;
942 fp->mode.wreqq.dest_lo = 0xf0000000 | RESET_START;
943 fp->mode.wreqq.data = htonl(0xf);
944 fw_asyreq(xfer->fc, -1, xfer);
945}
946
947static void
948sbp_mgm_callback(struct fw_xfer *xfer)
949{
950 struct sbp_dev *sdev;
951 int resp;
952
953 sdev = (struct sbp_dev *)xfer->sc;
954
955SBP_DEBUG(1)
956 sbp_show_sdev_info(sdev, 2);
957 printf("sbp_mgm_callback\n");
958END_DEBUG
959 resp = xfer->resp;
960 sbp_xfer_free(xfer);
961#if 0
962 if (resp != 0) {
963 sbp_show_sdev_info(sdev, 2);
964 printf("management ORB failed(%d) ... RESET_START\n", resp);
965 sbp_reset_start(sdev);
966 }
967#endif
968 return;
969}
970
971static struct sbp_dev *
972sbp_next_dev(struct sbp_target *target, int lun)
973{
974 struct sbp_dev **sdevp;
975 int i;
976
977 for (i = lun, sdevp = &target->luns[lun]; i < target->num_lun;
978 i++, sdevp++)
979 if (*sdevp != NULL && (*sdevp)->status == SBP_DEV_PROBE)
980 return(*sdevp);
981 return(NULL);
982}
983
984#define SCAN_PRI 1
985static void
986sbp_cam_scan_lun(struct cam_periph *periph, union ccb *ccb)
987{
988 struct sbp_target *target;
989 struct sbp_dev *sdev;
990
991 sdev = (struct sbp_dev *) ccb->ccb_h.ccb_sdev_ptr;
992 target = sdev->target;
993SBP_DEBUG(0)
994 sbp_show_sdev_info(sdev, 2);
995 printf("sbp_cam_scan_lun\n");
996END_DEBUG
997 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
998 sdev->status = SBP_DEV_ATTACHED;
999 } else {
1000 sbp_show_sdev_info(sdev, 2);
1001 printf("scan failed\n");
1002 }
1003 sdev = sbp_next_dev(target, sdev->lun_id + 1);
1004 if (sdev == NULL) {
1005 free(ccb, M_SBP);
1006 return;
1007 }
1008 /* reuse ccb */
1009 xpt_setup_ccb(&ccb->ccb_h, sdev->path, SCAN_PRI);
1010 ccb->ccb_h.ccb_sdev_ptr = sdev;
1011 xpt_action(ccb);
1012 xpt_release_devq(sdev->path, sdev->freeze, TRUE);
1013 sdev->freeze = 1;
1014}
1015
1016static void
1017sbp_cam_scan_target(void *arg)
1018{
1019 struct sbp_target *target = (struct sbp_target *)arg;
1020 struct sbp_dev *sdev;
1021 union ccb *ccb;
1022
1023 sdev = sbp_next_dev(target, 0);
1024 if (sdev == NULL) {
1025 printf("sbp_cam_scan_target: nothing to do for target%d\n",
1026 target->target_id);
1027 return;
1028 }
1029SBP_DEBUG(0)
1030 sbp_show_sdev_info(sdev, 2);
1031 printf("sbp_cam_scan_target\n");
1032END_DEBUG
1033 ccb = malloc(sizeof(union ccb), M_SBP, M_NOWAIT | M_ZERO);
1034 if (ccb == NULL) {
1035 printf("sbp_cam_scan_target: malloc failed\n");
1036 return;
1037 }
1038 xpt_setup_ccb(&ccb->ccb_h, sdev->path, SCAN_PRI);
1039 ccb->ccb_h.func_code = XPT_SCAN_LUN;
1040 ccb->ccb_h.cbfcnp = sbp_cam_scan_lun;
1041 ccb->ccb_h.flags |= CAM_DEV_QFREEZE;
1042 ccb->crcn.flags = CAM_FLAG_NONE;
1043 ccb->ccb_h.ccb_sdev_ptr = sdev;
1044
1045 /* The scan is in progress now. */
1046 xpt_action(ccb);
1047 xpt_release_devq(sdev->path, sdev->freeze, TRUE);
1048 sdev->freeze = 1;
1049}
1050
1051static __inline void
1052sbp_scan_dev(struct sbp_dev *sdev)
1053{
1054 sdev->status = SBP_DEV_PROBE;
1055 callout_reset(&sdev->target->scan_callout, scan_delay * hz / 1000,
1056 sbp_cam_scan_target, (void *)sdev->target);
1057}
1058
1059static void
1060sbp_do_attach(struct fw_xfer *xfer)
1061{
1062 struct sbp_dev *sdev;
1063 struct sbp_target *target;
1064 struct sbp_softc *sbp;
1065
1066 sdev = (struct sbp_dev *)xfer->sc;
1067 target = sdev->target;
1068 sbp = target->sbp;
1069SBP_DEBUG(0)
1070 sbp_show_sdev_info(sdev, 2);
1071 printf("sbp_do_attach\n");
1072END_DEBUG
1073 sbp_xfer_free(xfer);
1074
1075 if (sdev->path == NULL)
1076 xpt_create_path(&sdev->path, xpt_periph,
1077 cam_sim_path(target->sbp->sim),
1078 target->target_id, sdev->lun_id);
1079
1080 /*
1081 * Let CAM scan the bus if we are in the boot process.
1082 * XXX xpt_scan_bus cannot detect LUN larger than 0
1083 * if LUN 0 doesn't exists.
1084 */
1085 if (sbp_cold > 0) {
1086 sdev->status = SBP_DEV_ATTACHED;
1087 return;
1088 }
1089
1090 sbp_scan_dev(sdev);
1091 return;
1092}
1093
1094static void
1095sbp_agent_reset_callback(struct fw_xfer *xfer)
1096{
1097 struct sbp_dev *sdev;
1098
1099 sdev = (struct sbp_dev *)xfer->sc;
1100SBP_DEBUG(1)
1101 sbp_show_sdev_info(sdev, 2);
1102 printf("%s\n", __func__);
1103END_DEBUG
1104 if (xfer->resp != 0) {
1105 sbp_show_sdev_info(sdev, 2);
1106 printf("%s: resp=%d\n", __func__, xfer->resp);
1107 }
1108
1109 sbp_xfer_free(xfer);
1110 if (sdev->path) {
1111 xpt_release_devq(sdev->path, sdev->freeze, TRUE);
1112 sdev->freeze = 0;
1113 }
1114}
1115
1116static void
1117sbp_agent_reset(struct sbp_dev *sdev)
1118{
1119 struct fw_xfer *xfer;
1120 struct fw_pkt *fp;
1121
1122SBP_DEBUG(0)
1123 sbp_show_sdev_info(sdev, 2);
1124 printf("sbp_agent_reset\n");
1125END_DEBUG
1126 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0x04);
1127 if (xfer == NULL)
1128 return;
1129 if (sdev->status == SBP_DEV_ATTACHED || sdev->status == SBP_DEV_PROBE)
1130 xfer->hand = sbp_agent_reset_callback;
1131 else
1132 xfer->hand = sbp_do_attach;
1133 fp = &xfer->send.hdr;
1134 fp->mode.wreqq.data = htonl(0xf);
1135 fw_asyreq(xfer->fc, -1, xfer);
1136 sbp_abort_all_ocbs(sdev, CAM_BDR_SENT);
1137}
1138
1139static void
1140sbp_busy_timeout_callback(struct fw_xfer *xfer)
1141{
1142 struct sbp_dev *sdev;
1143
1144 sdev = (struct sbp_dev *)xfer->sc;
1145SBP_DEBUG(1)
1146 sbp_show_sdev_info(sdev, 2);
1147 printf("sbp_busy_timeout_callback\n");
1148END_DEBUG
1149 sbp_xfer_free(xfer);
1150 sbp_agent_reset(sdev);
1151}
1152
1153static void
1154sbp_busy_timeout(struct sbp_dev *sdev)
1155{
1156 struct fw_pkt *fp;
1157 struct fw_xfer *xfer;
1158SBP_DEBUG(0)
1159 sbp_show_sdev_info(sdev, 2);
1160 printf("sbp_busy_timeout\n");
1161END_DEBUG
1162 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0);
1163
1164 xfer->hand = sbp_busy_timeout_callback;
1165 fp = &xfer->send.hdr;
1166 fp->mode.wreqq.dest_hi = 0xffff;
1167 fp->mode.wreqq.dest_lo = 0xf0000000 | BUSY_TIMEOUT;
1168 fp->mode.wreqq.data = htonl((1 << (13+12)) | 0xf);
1169 fw_asyreq(xfer->fc, -1, xfer);
1170}
1171
1172static void
1173sbp_orb_pointer_callback(struct fw_xfer *xfer)
1174{
1175 struct sbp_dev *sdev;
1176 sdev = (struct sbp_dev *)xfer->sc;
1177
1178SBP_DEBUG(1)
1179 sbp_show_sdev_info(sdev, 2);
1180 printf("%s\n", __func__);
1181END_DEBUG
1182 if (xfer->resp != 0) {
1183 /* XXX */
1184 printf("%s: xfer->resp = %d\n", __func__, xfer->resp);
1185 }
1186 sbp_xfer_free(xfer);
1187 sdev->flags &= ~ORB_POINTER_ACTIVE;
1188
1189 if ((sdev->flags & ORB_POINTER_NEED) != 0) {
1190 struct sbp_ocb *ocb;
1191
1192 sdev->flags &= ~ORB_POINTER_NEED;
1193 ocb = STAILQ_FIRST(&sdev->ocbs);
1194 if (ocb != NULL)
1195 sbp_orb_pointer(sdev, ocb);
1196 }
1197 return;
1198}
1199
1200static void
1201sbp_orb_pointer(struct sbp_dev *sdev, struct sbp_ocb *ocb)
1202{
1203 struct fw_xfer *xfer;
1204 struct fw_pkt *fp;
1205SBP_DEBUG(1)
1206 sbp_show_sdev_info(sdev, 2);
1207 printf("%s: 0x%08x\n", __func__, (uint32_t)ocb->bus_addr);
1208END_DEBUG
1209
1210 if ((sdev->flags & ORB_POINTER_ACTIVE) != 0) {
1211SBP_DEBUG(0)
1212 printf("%s: orb pointer active\n", __func__);
1213END_DEBUG
1214 sdev->flags |= ORB_POINTER_NEED;
1215 return;
1216 }
1217
1218 sdev->flags |= ORB_POINTER_ACTIVE;
1219 xfer = sbp_write_cmd(sdev, FWTCODE_WREQB, 0x08);
1220 if (xfer == NULL)
1221 return;
1222 xfer->hand = sbp_orb_pointer_callback;
1223
1224 fp = &xfer->send.hdr;
1225 fp->mode.wreqb.len = 8;
1226 fp->mode.wreqb.extcode = 0;
1227 xfer->send.payload[0] =
1228 htonl(((sdev->target->sbp->fd.fc->nodeid | FWLOCALBUS )<< 16));
1229 xfer->send.payload[1] = htonl((uint32_t)ocb->bus_addr);
1230
1231 if(fw_asyreq(xfer->fc, -1, xfer) != 0){
1232 sbp_xfer_free(xfer);
1233 ocb->ccb->ccb_h.status = CAM_REQ_INVALID;
1234 xpt_done(ocb->ccb);
1235 }
1236}
1237
1238static void
1239sbp_doorbell_callback(struct fw_xfer *xfer)
1240{
1241 struct sbp_dev *sdev;
1242 sdev = (struct sbp_dev *)xfer->sc;
1243
1244SBP_DEBUG(1)
1245 sbp_show_sdev_info(sdev, 2);
1246 printf("sbp_doorbell_callback\n");
1247END_DEBUG
1248 if (xfer->resp != 0) {
1249 /* XXX */
1250 printf("%s: xfer->resp = %d\n", __func__, xfer->resp);
1251 }
1252 sbp_xfer_free(xfer);
1253 sdev->flags &= ~ORB_DOORBELL_ACTIVE;
1254 if ((sdev->flags & ORB_DOORBELL_NEED) != 0) {
1255 sdev->flags &= ~ORB_DOORBELL_NEED;
1256 sbp_doorbell(sdev);
1257 }
1258 return;
1259}
1260
1261static void
1262sbp_doorbell(struct sbp_dev *sdev)
1263{
1264 struct fw_xfer *xfer;
1265 struct fw_pkt *fp;
1266SBP_DEBUG(1)
1267 sbp_show_sdev_info(sdev, 2);
1268 printf("sbp_doorbell\n");
1269END_DEBUG
1270
1271 if ((sdev->flags & ORB_DOORBELL_ACTIVE) != 0) {
1272 sdev->flags |= ORB_DOORBELL_NEED;
1273 return;
1274 }
1275 sdev->flags |= ORB_DOORBELL_ACTIVE;
1276 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0x10);
1277 if (xfer == NULL)
1278 return;
1279 xfer->hand = sbp_doorbell_callback;
1280 fp = &xfer->send.hdr;
1281 fp->mode.wreqq.data = htonl(0xf);
1282 fw_asyreq(xfer->fc, -1, xfer);
1283}
1284
1285static struct fw_xfer *
1286sbp_write_cmd(struct sbp_dev *sdev, int tcode, int offset)
1287{
1288 struct fw_xfer *xfer;
1289 struct fw_pkt *fp;
1290 struct sbp_target *target;
1291 int s, new = 0;
1292
1293 target = sdev->target;
1294 s = splfw();
1295 xfer = STAILQ_FIRST(&target->xferlist);
1296 if (xfer == NULL) {
1297 if (target->n_xfer > 5 /* XXX */) {
1298 printf("sbp: no more xfer for this target\n");
1299 splx(s);
1300 return(NULL);
1301 }
1302 xfer = fw_xfer_alloc_buf(M_SBP, 8, 0);
1303 if(xfer == NULL){
1304 printf("sbp: fw_xfer_alloc_buf failed\n");
1305 splx(s);
1306 return NULL;
1307 }
1308 target->n_xfer ++;
1309 if (debug)
1310 printf("sbp: alloc %d xfer\n", target->n_xfer);
1311 new = 1;
1312 } else {
1313 STAILQ_REMOVE_HEAD(&target->xferlist, link);
1314 }
1315 splx(s);
1316
1317 microtime(&xfer->tv);
1318
1319 if (new) {
1320 xfer->recv.pay_len = 0;
1321 xfer->send.spd = min(sdev->target->fwdev->speed, max_speed);
1322 xfer->fc = sdev->target->sbp->fd.fc;
1323 }
1324
1325 if (tcode == FWTCODE_WREQB)
1326 xfer->send.pay_len = 8;
1327 else
1328 xfer->send.pay_len = 0;
1329
1330 xfer->sc = (caddr_t)sdev;
1331 fp = &xfer->send.hdr;
1332 fp->mode.wreqq.dest_hi = sdev->login->cmd_hi;
1333 fp->mode.wreqq.dest_lo = sdev->login->cmd_lo + offset;
1334 fp->mode.wreqq.tlrt = 0;
1335 fp->mode.wreqq.tcode = tcode;
1336 fp->mode.wreqq.pri = 0;
1337 fp->mode.wreqq.dst = FWLOCALBUS | sdev->target->fwdev->dst;
1338
1339 return xfer;
1340
1341}
1342
1343static void
1344sbp_mgm_orb(struct sbp_dev *sdev, int func, struct sbp_ocb *aocb)
1345{
1346 struct fw_xfer *xfer;
1347 struct fw_pkt *fp;
1348 struct sbp_ocb *ocb;
1349 struct sbp_target *target;
1350 int s, nid;
1351
1352 target = sdev->target;
1353 nid = target->sbp->fd.fc->nodeid | FWLOCALBUS;
1354
1355 s = splfw();
1356 if (func == ORB_FUN_RUNQUEUE) {
1357 ocb = STAILQ_FIRST(&target->mgm_ocb_queue);
1358 if (target->mgm_ocb_cur != NULL || ocb == NULL) {
1359 splx(s);
1360 return;
1361 }
1362 STAILQ_REMOVE_HEAD(&target->mgm_ocb_queue, ocb);
1363 goto start;
1364 }
1365 if ((ocb = sbp_get_ocb(sdev)) == NULL) {
1366 splx(s);
1367 /* XXX */
1368 return;
1369 }
1370 ocb->flags = OCB_ACT_MGM;
1371 ocb->sdev = sdev;
1372
1373 bzero((void *)ocb->orb, sizeof(ocb->orb));
1374 ocb->orb[6] = htonl((nid << 16) | SBP_BIND_HI);
1375 ocb->orb[7] = htonl(SBP_DEV2ADDR(target->target_id, sdev->lun_id));
1376
1377SBP_DEBUG(0)
1378 sbp_show_sdev_info(sdev, 2);
1379 printf("%s\n", orb_fun_name[(func>>16)&0xf]);
1380END_DEBUG
1381 switch (func) {
1382 case ORB_FUN_LGI:
1383 ocb->orb[0] = ocb->orb[1] = 0; /* password */
1384 ocb->orb[2] = htonl(nid << 16);
1385 ocb->orb[3] = htonl(sdev->dma.bus_addr);
1386 ocb->orb[4] = htonl(ORB_NOTIFY | sdev->lun_id);
1387 if (ex_login)
1388 ocb->orb[4] |= htonl(ORB_EXV);
1389 ocb->orb[5] = htonl(SBP_LOGIN_SIZE);
1390 fwdma_sync(&sdev->dma, BUS_DMASYNC_PREREAD);
1391 break;
1392 case ORB_FUN_ATA:
1393 ocb->orb[0] = htonl((0 << 16) | 0);
1394 ocb->orb[1] = htonl(aocb->bus_addr & 0xffffffff);
1395 /* fall through */
1396 case ORB_FUN_RCN:
1397 case ORB_FUN_LGO:
1398 case ORB_FUN_LUR:
1399 case ORB_FUN_RST:
1400 case ORB_FUN_ATS:
1401 ocb->orb[4] = htonl(ORB_NOTIFY | func | sdev->login->id);
1402 break;
1403 }
1404
1405 if (target->mgm_ocb_cur != NULL) {
1406 /* there is a standing ORB */
1407 STAILQ_INSERT_TAIL(&sdev->target->mgm_ocb_queue, ocb, ocb);
1408 splx(s);
1409 return;
1410 }
1411start:
1412 target->mgm_ocb_cur = ocb;
1413 splx(s);
1414
1415 callout_reset(&target->mgm_ocb_timeout, 5*hz,
1416 sbp_mgm_timeout, (caddr_t)ocb);
1417 xfer = sbp_write_cmd(sdev, FWTCODE_WREQB, 0);
1418 if(xfer == NULL){
1419 return;
1420 }
1421 xfer->hand = sbp_mgm_callback;
1422
1423 fp = &xfer->send.hdr;
1424 fp->mode.wreqb.dest_hi = sdev->target->mgm_hi;
1425 fp->mode.wreqb.dest_lo = sdev->target->mgm_lo;
1426 fp->mode.wreqb.len = 8;
1427 fp->mode.wreqb.extcode = 0;
1428 xfer->send.payload[0] = htonl(nid << 16);
1429 xfer->send.payload[1] = htonl(ocb->bus_addr & 0xffffffff);
1430SBP_DEBUG(0)
1431 sbp_show_sdev_info(sdev, 2);
1432 printf("mgm orb: %08x\n", (uint32_t)ocb->bus_addr);
1433END_DEBUG
1434
1435 fw_asyreq(xfer->fc, -1, xfer);
1436}
1437
1438static void
1439sbp_print_scsi_cmd(struct sbp_ocb *ocb)
1440{
1441 struct ccb_scsiio *csio;
1442
1443 csio = &ocb->ccb->csio;
1444 printf("%s:%d:%d XPT_SCSI_IO: "
1445 "cmd: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x"
1446 ", flags: 0x%02x, "
1447 "%db cmd/%db data/%db sense\n",
1448 device_get_nameunit(ocb->sdev->target->sbp->fd.dev),
1449 ocb->ccb->ccb_h.target_id, ocb->ccb->ccb_h.target_lun,
1450 csio->cdb_io.cdb_bytes[0],
1451 csio->cdb_io.cdb_bytes[1],
1452 csio->cdb_io.cdb_bytes[2],
1453 csio->cdb_io.cdb_bytes[3],
1454 csio->cdb_io.cdb_bytes[4],
1455 csio->cdb_io.cdb_bytes[5],
1456 csio->cdb_io.cdb_bytes[6],
1457 csio->cdb_io.cdb_bytes[7],
1458 csio->cdb_io.cdb_bytes[8],
1459 csio->cdb_io.cdb_bytes[9],
1460 ocb->ccb->ccb_h.flags & CAM_DIR_MASK,
1461 csio->cdb_len, csio->dxfer_len,
1462 csio->sense_len);
1463}
1464
1465static void
1466sbp_scsi_status(struct sbp_status *sbp_status, struct sbp_ocb *ocb)
1467{
1468 struct sbp_cmd_status *sbp_cmd_status;
1469 struct scsi_sense_data *sense;
1470
1471 sbp_cmd_status = (struct sbp_cmd_status *)sbp_status->data;
1472 sense = &ocb->ccb->csio.sense_data;
1473
1474SBP_DEBUG(0)
1475 sbp_print_scsi_cmd(ocb);
1476 /* XXX need decode status */
1477 sbp_show_sdev_info(ocb->sdev, 2);
1478 printf("SCSI status %x sfmt %x valid %x key %x code %x qlfr %x len %d\n",
1479 sbp_cmd_status->status,
1480 sbp_cmd_status->sfmt,
1481 sbp_cmd_status->valid,
1482 sbp_cmd_status->s_key,
1483 sbp_cmd_status->s_code,
1484 sbp_cmd_status->s_qlfr,
1485 sbp_status->len
1486 );
1487END_DEBUG
1488
1489 switch (sbp_cmd_status->status) {
1490 case SCSI_STATUS_CHECK_COND:
1491 case SCSI_STATUS_BUSY:
1492 case SCSI_STATUS_CMD_TERMINATED:
1493 if(sbp_cmd_status->sfmt == SBP_SFMT_CURR){
1494 sense->error_code = SSD_CURRENT_ERROR;
1495 }else{
1496 sense->error_code = SSD_DEFERRED_ERROR;
1497 }
1498 if(sbp_cmd_status->valid)
1499 sense->error_code |= SSD_ERRCODE_VALID;
1500 sense->flags = sbp_cmd_status->s_key;
1501 if(sbp_cmd_status->mark)
1502 sense->flags |= SSD_FILEMARK;
1503 if(sbp_cmd_status->eom)
1504 sense->flags |= SSD_EOM;
1505 if(sbp_cmd_status->ill_len)
1506 sense->flags |= SSD_ILI;
1507
1508 bcopy(&sbp_cmd_status->info, &sense->info[0], 4);
1509
1510 if (sbp_status->len <= 1)
1511 /* XXX not scsi status. shouldn't be happened */
1512 sense->extra_len = 0;
1513 else if (sbp_status->len <= 4)
1514 /* add_sense_code(_qual), info, cmd_spec_info */
1515 sense->extra_len = 6;
1516 else
1517 /* fru, sense_key_spec */
1518 sense->extra_len = 10;
1519
1520 bcopy(&sbp_cmd_status->cdb, &sense->cmd_spec_info[0], 4);
1521
1522 sense->add_sense_code = sbp_cmd_status->s_code;
1523 sense->add_sense_code_qual = sbp_cmd_status->s_qlfr;
1524 sense->fru = sbp_cmd_status->fru;
1525
1526 bcopy(&sbp_cmd_status->s_keydep[0],
1527 &sense->sense_key_spec[0], 3);
1528
1529 ocb->ccb->csio.scsi_status = sbp_cmd_status->status;;
1530 ocb->ccb->ccb_h.status = CAM_SCSI_STATUS_ERROR
1531 | CAM_AUTOSNS_VALID;
1532/*
1533{
1534 uint8_t j, *tmp;
1535 tmp = sense;
1536 for( j = 0 ; j < 32 ; j+=8){
1537 printf("sense %02x%02x %02x%02x %02x%02x %02x%02x\n",
1538 tmp[j], tmp[j+1], tmp[j+2], tmp[j+3],
1539 tmp[j+4], tmp[j+5], tmp[j+6], tmp[j+7]);
1540 }
1541
1542}
1543*/
1544 break;
1545 default:
1546 sbp_show_sdev_info(ocb->sdev, 2);
1547 printf("sbp_scsi_status: unknown scsi status 0x%x\n",
1548 sbp_cmd_status->status);
1549 }
1550}
1551
1552static void
1553sbp_fix_inq_data(struct sbp_ocb *ocb)
1554{
1555 union ccb *ccb;
1556 struct sbp_dev *sdev;
1557 struct scsi_inquiry_data *inq;
1558
1559 ccb = ocb->ccb;
1560 sdev = ocb->sdev;
1561
1562 if (ccb->csio.cdb_io.cdb_bytes[1] & SI_EVPD)
1563 return;
1564SBP_DEBUG(1)
1565 sbp_show_sdev_info(sdev, 2);
1566 printf("sbp_fix_inq_data\n");
1567END_DEBUG
1568 inq = (struct scsi_inquiry_data *) ccb->csio.data_ptr;
1569 switch (SID_TYPE(inq)) {
1570 case T_DIRECT:
1571#if 0
1572 /*
1573 * XXX Convert Direct Access device to RBC.
1574 * I've never seen FireWire DA devices which support READ_6.
1575 */
1576 if (SID_TYPE(inq) == T_DIRECT)
1577 inq->device |= T_RBC; /* T_DIRECT == 0 */
1578#endif
1579 /* fall through */
1580 case T_RBC:
1581 /*
1582 * Override vendor/product/revision information.
1583 * Some devices sometimes return strange strings.
1584 */
1585#if 1
1586 bcopy(sdev->vendor, inq->vendor, sizeof(inq->vendor));
1587 bcopy(sdev->product, inq->product, sizeof(inq->product));
1588 bcopy(sdev->revision+2, inq->revision, sizeof(inq->revision));
1589#endif
1590 break;
1591 }
1592 /*
1593 * Force to enable/disable tagged queuing.
1594 * XXX CAM also checks SCP_QUEUE_DQUE flag in the control mode page.
1595 */
1596 if (sbp_tags > 0)
1597 inq->flags |= SID_CmdQue;
1598 else if (sbp_tags < 0)
1599 inq->flags &= ~SID_CmdQue;
1600
1601}
1602
1603static void
1604sbp_recv1(struct fw_xfer *xfer)
1605{
1606 struct fw_pkt *rfp;
1607#if NEED_RESPONSE
1608 struct fw_pkt *sfp;
1609#endif
1610 struct sbp_softc *sbp;
1611 struct sbp_dev *sdev;
1612 struct sbp_ocb *ocb;
1613 struct sbp_login_res *login_res = NULL;
1614 struct sbp_status *sbp_status;
1615 struct sbp_target *target;
1616 int orb_fun, status_valid0, status_valid, t, l, reset_agent = 0;
1617 uint32_t addr;
1618/*
1619 uint32_t *ld;
1620 ld = xfer->recv.buf;
1621printf("sbp %x %d %d %08x %08x %08x %08x\n",
1622 xfer->resp, xfer->recv.len, xfer->recv.off, ntohl(ld[0]), ntohl(ld[1]), ntohl(ld[2]), ntohl(ld[3]));
1623printf("sbp %08x %08x %08x %08x\n", ntohl(ld[4]), ntohl(ld[5]), ntohl(ld[6]), ntohl(ld[7]));
1624printf("sbp %08x %08x %08x %08x\n", ntohl(ld[8]), ntohl(ld[9]), ntohl(ld[10]), ntohl(ld[11]));
1625*/
1626 sbp = (struct sbp_softc *)xfer->sc;
1627 if (xfer->resp != 0){
1628 printf("sbp_recv: xfer->resp = %d\n", xfer->resp);
1629 goto done0;
1630 }
1631 if (xfer->recv.payload == NULL){
1632 printf("sbp_recv: xfer->recv.payload == NULL\n");
1633 goto done0;
1634 }
1635 rfp = &xfer->recv.hdr;
1636 if(rfp->mode.wreqb.tcode != FWTCODE_WREQB){
1637 printf("sbp_recv: tcode = %d\n", rfp->mode.wreqb.tcode);
1638 goto done0;
1639 }
1640 sbp_status = (struct sbp_status *)xfer->recv.payload;
1641 addr = rfp->mode.wreqb.dest_lo;
1642SBP_DEBUG(2)
1643 printf("received address 0x%x\n", addr);
1644END_DEBUG
1645 t = SBP_ADDR2TRG(addr);
1646 if (t >= SBP_NUM_TARGETS) {
1647 device_printf(sbp->fd.dev,
1648 "sbp_recv1: invalid target %d\n", t);
1649 goto done0;
1650 }
1651 target = &sbp->targets[t];
1652 l = SBP_ADDR2LUN(addr);
1653 if (l >= target->num_lun || target->luns[l] == NULL) {
1654 device_printf(sbp->fd.dev,
1655 "sbp_recv1: invalid lun %d (target=%d)\n", l, t);
1656 goto done0;
1657 }
1658 sdev = target->luns[l];
1659
1660 ocb = NULL;
1661 switch (sbp_status->src) {
1662 case 0:
1663 case 1:
1664 /* check mgm_ocb_cur first */
1665 ocb = target->mgm_ocb_cur;
1666 if (ocb != NULL) {
1667 if (OCB_MATCH(ocb, sbp_status)) {
1668 callout_stop(&target->mgm_ocb_timeout);
1669 target->mgm_ocb_cur = NULL;
1670 break;
1671 }
1672 }
1673 ocb = sbp_dequeue_ocb(sdev, sbp_status);
1674 if (ocb == NULL) {
1675 sbp_show_sdev_info(sdev, 2);
1676#if defined(__DragonFly__) || __FreeBSD_version < 500000
1677 printf("No ocb(%lx) on the queue\n",
1678#else
1679 printf("No ocb(%x) on the queue\n",
1680#endif
1681 ntohl(sbp_status->orb_lo));
1682 }
1683 break;
1684 case 2:
1685 /* unsolicit */
1686 sbp_show_sdev_info(sdev, 2);
1687 printf("unsolicit status received\n");
1688 break;
1689 default:
1690 sbp_show_sdev_info(sdev, 2);
1691 printf("unknown sbp_status->src\n");
1692 }
1693
1694 status_valid0 = (sbp_status->src < 2
1695 && sbp_status->resp == ORB_RES_CMPL
1696 && sbp_status->dead == 0);
1697 status_valid = (status_valid0 && sbp_status->status == 0);
1698
1699 if (!status_valid0 || debug > 2){
1700 int status;
1701SBP_DEBUG(0)
1702 sbp_show_sdev_info(sdev, 2);
1703 printf("ORB status src:%x resp:%x dead:%x"
1704#if defined(__DragonFly__) || __FreeBSD_version < 500000
1705 " len:%x stat:%x orb:%x%08lx\n",
1706#else
1707 " len:%x stat:%x orb:%x%08x\n",
1708#endif
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));
1712END_DEBUG
1713 sbp_show_sdev_info(sdev, 2);
1714 status = sbp_status->status;
1715 switch(sbp_status->resp) {
1716 case 0:
1717 if (status > MAX_ORB_STATUS0)
1718 printf("%s\n", orb_status0[MAX_ORB_STATUS0]);
1719 else
1720 printf("%s\n", orb_status0[status]);
1721 break;
1722 case 1:
1723 printf("Obj: %s, Error: %s\n",
1724 orb_status1_object[(status>>6) & 3],
1725 orb_status1_serial_bus_error[status & 0xf]);
1726 break;
1727 case 2:
1728 printf("Illegal request\n");
1729 break;
1730 case 3:
1731 printf("Vendor dependent\n");
1732 break;
1733 default:
1734 printf("unknown respose code %d\n", sbp_status->resp);
1735 }
1736 }
1737
1738 /* we have to reset the fetch agent if it's dead */
1739 if (sbp_status->dead) {
1740 if (sdev->path) {
1741 xpt_freeze_devq(sdev->path, 1);
1742 sdev->freeze ++;
1743 }
1744 reset_agent = 1;
1745 }
1746
1747 if (ocb == NULL)
1748 goto done;
1749
1750 switch(ntohl(ocb->orb[4]) & ORB_FMT_MSK){
1751 case ORB_FMT_NOP:
1752 break;
1753 case ORB_FMT_VED:
1754 break;
1755 case ORB_FMT_STD:
1756 switch(ocb->flags) {
1757 case OCB_ACT_MGM:
1758 orb_fun = ntohl(ocb->orb[4]) & ORB_FUN_MSK;
1759 reset_agent = 0;
1760 switch(orb_fun) {
1761 case ORB_FUN_LGI:
1762 fwdma_sync(&sdev->dma, BUS_DMASYNC_POSTREAD);
1763 login_res = sdev->login;
1764 login_res->len = ntohs(login_res->len);
1765 login_res->id = ntohs(login_res->id);
1766 login_res->cmd_hi = ntohs(login_res->cmd_hi);
1767 login_res->cmd_lo = ntohl(login_res->cmd_lo);
1768 if (status_valid) {
1769SBP_DEBUG(0)
1770sbp_show_sdev_info(sdev, 2);
1771printf("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));
1772END_DEBUG
1773 sbp_busy_timeout(sdev);
1774 } else {
1775 /* forgot logout? */
1776 sbp_show_sdev_info(sdev, 2);
1777 printf("login failed\n");
1778 sdev->status = SBP_DEV_RESET;
1779 }
1780 break;
1781 case ORB_FUN_RCN:
1782 login_res = sdev->login;
1783 if (status_valid) {
1784SBP_DEBUG(0)
1785sbp_show_sdev_info(sdev, 2);
1786printf("reconnect: len %d, ID %d, cmd %08x%08x\n", login_res->len, login_res->id, login_res->cmd_hi, login_res->cmd_lo);
1787END_DEBUG
1788#if 1
1789 if (sdev->status == SBP_DEV_ATTACHED)
1790 sbp_scan_dev(sdev);
1791 else
1792 sbp_agent_reset(sdev);
1793#else
1794 sdev->status = SBP_DEV_ATTACHED;
1795 sbp_mgm_orb(sdev, ORB_FUN_ATS, NULL);
1796#endif
1797 } else {
1798 /* reconnection hold time exceed? */
1799SBP_DEBUG(0)
1800 sbp_show_sdev_info(sdev, 2);
1801 printf("reconnect failed\n");
1802END_DEBUG
1803 sbp_login(sdev);
1804 }
1805 break;
1806 case ORB_FUN_LGO:
1807 sdev->status = SBP_DEV_RESET;
1808 break;
1809 case ORB_FUN_RST:
1810 sbp_busy_timeout(sdev);
1811 break;
1812 case ORB_FUN_LUR:
1813 case ORB_FUN_ATA:
1814 case ORB_FUN_ATS:
1815 sbp_agent_reset(sdev);
1816 break;
1817 default:
1818 sbp_show_sdev_info(sdev, 2);
1819 printf("unknown function %d\n", orb_fun);
1820 break;
1821 }
1822 sbp_mgm_orb(sdev, ORB_FUN_RUNQUEUE, NULL);
1823 break;
1824 case OCB_ACT_CMD:
1825 sdev->timeout = 0;
1826 if(ocb->ccb != NULL){
1827 union ccb *ccb;
1828/*
1829 uint32_t *ld;
1830 ld = ocb->ccb->csio.data_ptr;
1831 if(ld != NULL && ocb->ccb->csio.dxfer_len != 0)
1832 printf("ptr %08x %08x %08x %08x\n", ld[0], ld[1], ld[2], ld[3]);
1833 else
1834 printf("ptr NULL\n");
1835printf("len %d\n", sbp_status->len);
1836*/
1837 ccb = ocb->ccb;
1838 if(sbp_status->len > 1){
1839 sbp_scsi_status(sbp_status, ocb);
1840 }else{
1841 if(sbp_status->resp != ORB_RES_CMPL){
1842 ccb->ccb_h.status = CAM_REQ_CMP_ERR;
1843 }else{
1844 ccb->ccb_h.status = CAM_REQ_CMP;
1845 }
1846 }
1847 /* fix up inq data */
1848 if (ccb->csio.cdb_io.cdb_bytes[0] == INQUIRY)
1849 sbp_fix_inq_data(ocb);
1850 xpt_done(ccb);
1851 }
1852 break;
1853 default:
1854 break;
1855 }
1856 }
1857
1858 if (!use_doorbell)
1859 sbp_free_ocb(sdev, ocb);
1860done:
1861 if (reset_agent)
1862 sbp_agent_reset(sdev);
1863
1864done0:
1865 xfer->recv.pay_len = SBP_RECV_LEN;
1866/* The received packet is usually small enough to be stored within
1867 * the buffer. In that case, the controller return ack_complete and
1868 * no respose is necessary.
1869 *
1870 * XXX fwohci.c and firewire.c should inform event_code such as
1871 * ack_complete or ack_pending to upper driver.
1872 */
1873#if NEED_RESPONSE
1874 xfer->send.off = 0;
1875 sfp = (struct fw_pkt *)xfer->send.buf;
1876 sfp->mode.wres.dst = rfp->mode.wreqb.src;
1877 xfer->dst = sfp->mode.wres.dst;
1878 xfer->spd = min(sdev->target->fwdev->speed, max_speed);
1879 xfer->hand = sbp_loginres_callback;
1880
1881 sfp->mode.wres.tlrt = rfp->mode.wreqb.tlrt;
1882 sfp->mode.wres.tcode = FWTCODE_WRES;
1883 sfp->mode.wres.rtcode = 0;
1884 sfp->mode.wres.pri = 0;
1885
1886 fw_asyreq(xfer->fc, -1, xfer);
1887#else
1888 /* recycle */
1889 STAILQ_INSERT_TAIL(&sbp->fwb.xferlist, xfer, link);
1890#endif
1891
1892 return;
1893
1894}
1895
1896static void
1897sbp_recv(struct fw_xfer *xfer)
1898{
1899 int s;
1900
1901 s = splcam();
1902 sbp_recv1(xfer);
1903 splx(s);
1904}
1905/*
1906 * sbp_attach()
1907 */
1908static int
1909sbp_attach(device_t dev)
1910{
1911 struct sbp_softc *sbp;
1912 struct cam_devq *devq;
1913 struct fw_xfer *xfer;
1914 int i, s, error;
1915
1916 if (DFLTPHYS > SBP_MAXPHYS)
1917 device_printf(dev, "Warning, DFLTPHYS(%dKB) is larger than "
1918 "SBP_MAXPHYS(%dKB).\n", DFLTPHYS / 1024,
1919 SBP_MAXPHYS / 1024);
1920
1921SBP_DEBUG(0)
1922 printf("sbp_attach (cold=%d)\n", cold);
1923END_DEBUG
1924
1925 if (cold)
1926 sbp_cold ++;
1927 sbp = ((struct sbp_softc *)device_get_softc(dev));
1928 bzero(sbp, sizeof(struct sbp_softc));
1929 sbp->fd.dev = dev;
1930 sbp->fd.fc = device_get_ivars(dev);
1931
1932 if (max_speed < 0)
1933 max_speed = sbp->fd.fc->speed;
1934
1935 error = bus_dma_tag_create(/*parent*/sbp->fd.fc->dmat,
1936 /* XXX shoud be 4 for sane backend? */
1937 /*alignment*/1,
1938 /*boundary*/0,
1939 /*lowaddr*/BUS_SPACE_MAXADDR_32BIT,
1940 /*highaddr*/BUS_SPACE_MAXADDR,
1941 /*filter*/NULL, /*filterarg*/NULL,
1942 /*maxsize*/0x100000, /*nsegments*/SBP_IND_MAX,
1943 /*maxsegsz*/SBP_SEG_MAX,
1944 /*flags*/BUS_DMA_ALLOCNOW,
1945#if defined(__FreeBSD__) && __FreeBSD_version >= 501102
1946 /*lockfunc*/busdma_lock_mutex,
1947 /*lockarg*/&Giant,
1948#endif
1949 &sbp->dmat);
1950 if (error != 0) {
1951 printf("sbp_attach: Could not allocate DMA tag "
1952 "- error %d\n", error);
1953 return (ENOMEM);
1954 }
1955
1956 devq = cam_simq_alloc(/*maxopenings*/SBP_NUM_OCB);
1957 if (devq == NULL)
1958 return (ENXIO);
1959
1960 for( i = 0 ; i < SBP_NUM_TARGETS ; i++){
1961 sbp->targets[i].fwdev = NULL;
1962 sbp->targets[i].luns = NULL;
1963 }
1964
1965 sbp->sim = cam_sim_alloc(sbp_action, sbp_poll, "sbp", sbp,
1966 device_get_unit(dev),
|
1967 /*untagged*/ 1,
1968 /*tagged*/ SBP_QUEUE_LEN - 1,
1969 devq);
1970
1971 if (sbp->sim == NULL) {
1972 cam_simq_free(devq);
1973 return (ENXIO);
1974 }
1975
1976
1977 if (xpt_bus_register(sbp->sim, /*bus*/0) != CAM_SUCCESS)
1978 goto fail;
1979
1980 if (xpt_create_path(&sbp->path, xpt_periph, cam_sim_path(sbp->sim),
1981 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
1982 xpt_bus_deregister(cam_sim_path(sbp->sim));
1983 goto fail;
1984 }
1985
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 sbp->fwb.act_type = FWACT_XFER;
1990 /* pre-allocate xfer */
1991 STAILQ_INIT(&sbp->fwb.xferlist);
1992 for (i = 0; i < SBP_NUM_OCB/2; i ++) {
1993 xfer = fw_xfer_alloc_buf(M_SBP,
1994 /* send */0,
1995 /* recv */SBP_RECV_LEN);
1996 xfer->hand = sbp_recv;
1997#if NEED_RESPONSE
1998 xfer->fc = sbp->fd.fc;
1999#endif
2000 xfer->sc = (caddr_t)sbp;
2001 STAILQ_INSERT_TAIL(&sbp->fwb.xferlist, xfer, link);
2002 }
2003 fw_bindadd(sbp->fd.fc, &sbp->fwb);
2004
2005 sbp->fd.post_busreset = sbp_post_busreset;
2006 sbp->fd.post_explore = sbp_post_explore;
2007
2008 if (sbp->fd.fc->status != -1) {
2009 s = splfw();
2010 sbp_post_busreset((void *)sbp);
2011 sbp_post_explore((void *)sbp);
2012 splx(s);
2013 }
2014 xpt_async(AC_BUS_RESET, sbp->path, /*arg*/ NULL);
2015
2016 return (0);
2017fail:
2018 cam_sim_free(sbp->sim, /*free_devq*/TRUE);
2019 return (ENXIO);
2020}
2021
2022static int
2023sbp_logout_all(struct sbp_softc *sbp)
2024{
2025 struct sbp_target *target;
2026 struct sbp_dev *sdev;
2027 int i, j;
2028
2029SBP_DEBUG(0)
2030 printf("sbp_logout_all\n");
2031END_DEBUG
2032 for (i = 0 ; i < SBP_NUM_TARGETS ; i ++) {
2033 target = &sbp->targets[i];
2034 if (target->luns == NULL)
2035 continue;
2036 for (j = 0; j < target->num_lun; j++) {
2037 sdev = target->luns[j];
2038 if (sdev == NULL)
2039 continue;
2040 callout_stop(&sdev->login_callout);
2041 if (sdev->status >= SBP_DEV_TOATTACH &&
2042 sdev->status <= SBP_DEV_ATTACHED)
2043 sbp_mgm_orb(sdev, ORB_FUN_LGO, NULL);
2044 }
2045 }
2046
2047 return 0;
2048}
2049
2050static int
2051sbp_shutdown(device_t dev)
2052{
2053 struct sbp_softc *sbp = ((struct sbp_softc *)device_get_softc(dev));
2054
2055 sbp_logout_all(sbp);
2056 return (0);
2057}
2058
2059static void
2060sbp_free_sdev(struct sbp_dev *sdev)
2061{
2062 int i;
2063
2064 if (sdev == NULL)
2065 return;
2066 for (i = 0; i < SBP_QUEUE_LEN; i++)
2067 bus_dmamap_destroy(sdev->target->sbp->dmat,
2068 sdev->ocb[i].dmamap);
2069 fwdma_free(sdev->target->sbp->fd.fc, &sdev->dma);
2070 free(sdev, M_SBP);
2071}
2072
2073static void
2074sbp_free_target(struct sbp_target *target)
2075{
2076 struct sbp_softc *sbp;
2077 struct fw_xfer *xfer, *next;
2078 int i;
2079
2080 if (target->luns == NULL)
2081 return;
2082 callout_stop(&target->mgm_ocb_timeout);
2083 sbp = target->sbp;
2084 for (i = 0; i < target->num_lun; i++)
2085 sbp_free_sdev(target->luns[i]);
2086
2087 for (xfer = STAILQ_FIRST(&target->xferlist);
2088 xfer != NULL; xfer = next) {
2089 next = STAILQ_NEXT(xfer, link);
2090 fw_xfer_free_buf(xfer);
2091 }
2092 STAILQ_INIT(&target->xferlist);
2093 free(target->luns, M_SBP);
2094 target->num_lun = 0;;
2095 target->luns = NULL;
2096 target->fwdev = NULL;
2097}
2098
2099static int
2100sbp_detach(device_t dev)
2101{
2102 struct sbp_softc *sbp = ((struct sbp_softc *)device_get_softc(dev));
2103 struct firewire_comm *fc = sbp->fd.fc;
2104 struct fw_xfer *xfer, *next;
2105 int i;
2106
2107SBP_DEBUG(0)
2108 printf("sbp_detach\n");
2109END_DEBUG
2110
2111 for (i = 0; i < SBP_NUM_TARGETS; i ++)
2112 sbp_cam_detach_target(&sbp->targets[i]);
2113 xpt_async(AC_LOST_DEVICE, sbp->path, NULL);
2114 xpt_free_path(sbp->path);
2115 xpt_bus_deregister(cam_sim_path(sbp->sim));
2116 cam_sim_free(sbp->sim, /*free_devq*/ TRUE),
2117
2118 sbp_logout_all(sbp);
2119
2120 /* XXX wait for logout completion */
2121 pause("sbpdtc", hz/2);
2122
2123 for (i = 0 ; i < SBP_NUM_TARGETS ; i ++)
2124 sbp_free_target(&sbp->targets[i]);
2125
2126 for (xfer = STAILQ_FIRST(&sbp->fwb.xferlist);
2127 xfer != NULL; xfer = next) {
2128 next = STAILQ_NEXT(xfer, link);
2129 fw_xfer_free_buf(xfer);
2130 }
2131 STAILQ_INIT(&sbp->fwb.xferlist);
2132 fw_bindremove(fc, &sbp->fwb);
2133
2134 bus_dma_tag_destroy(sbp->dmat);
2135
2136 return (0);
2137}
2138
2139static void
2140sbp_cam_detach_sdev(struct sbp_dev *sdev)
2141{
2142 if (sdev == NULL)
2143 return;
2144 if (sdev->status == SBP_DEV_DEAD)
2145 return;
2146 if (sdev->status == SBP_DEV_RESET)
2147 return;
2148 if (sdev->path) {
2149 xpt_release_devq(sdev->path,
2150 sdev->freeze, TRUE);
2151 sdev->freeze = 0;
2152 xpt_async(AC_LOST_DEVICE, sdev->path, NULL);
2153 xpt_free_path(sdev->path);
2154 sdev->path = NULL;
2155 }
2156 sbp_abort_all_ocbs(sdev, CAM_DEV_NOT_THERE);
2157}
2158
2159static void
2160sbp_cam_detach_target(struct sbp_target *target)
2161{
2162 int i;
2163
2164 if (target->luns != NULL) {
2165SBP_DEBUG(0)
2166 printf("sbp_detach_target %d\n", target->target_id);
2167END_DEBUG
2168 callout_stop(&target->scan_callout);
2169 for (i = 0; i < target->num_lun; i++)
2170 sbp_cam_detach_sdev(target->luns[i]);
2171 }
2172}
2173
2174static void
2175sbp_target_reset(struct sbp_dev *sdev, int method)
2176{
2177 int i;
2178 struct sbp_target *target = sdev->target;
2179 struct sbp_dev *tsdev;
2180
2181 for (i = 0; i < target->num_lun; i++) {
2182 tsdev = target->luns[i];
2183 if (tsdev == NULL)
2184 continue;
2185 if (tsdev->status == SBP_DEV_DEAD)
2186 continue;
2187 if (tsdev->status == SBP_DEV_RESET)
2188 continue;
2189 xpt_freeze_devq(tsdev->path, 1);
2190 tsdev->freeze ++;
2191 sbp_abort_all_ocbs(tsdev, CAM_CMD_TIMEOUT);
2192 if (method == 2)
2193 tsdev->status = SBP_DEV_LOGIN;
2194 }
2195 switch(method) {
2196 case 1:
2197 printf("target reset\n");
2198 sbp_mgm_orb(sdev, ORB_FUN_RST, NULL);
2199 break;
2200 case 2:
2201 printf("reset start\n");
2202 sbp_reset_start(sdev);
2203 break;
2204 }
2205
2206}
2207
2208static void
2209sbp_mgm_timeout(void *arg)
2210{
2211 struct sbp_ocb *ocb = (struct sbp_ocb *)arg;
2212 struct sbp_dev *sdev = ocb->sdev;
2213 struct sbp_target *target = sdev->target;
2214
2215 sbp_show_sdev_info(sdev, 2);
2216 printf("request timeout(mgm orb:0x%08x) ... ",
2217 (uint32_t)ocb->bus_addr);
2218 target->mgm_ocb_cur = NULL;
2219 sbp_free_ocb(sdev, ocb);
2220#if 0
2221 /* XXX */
2222 printf("run next request\n");
2223 sbp_mgm_orb(sdev, ORB_FUN_RUNQUEUE, NULL);
2224#endif
2225#if 1
2226 printf("reset start\n");
2227 sbp_reset_start(sdev);
2228#endif
2229}
2230
2231static void
2232sbp_timeout(void *arg)
2233{
2234 struct sbp_ocb *ocb = (struct sbp_ocb *)arg;
2235 struct sbp_dev *sdev = ocb->sdev;
2236
2237 sbp_show_sdev_info(sdev, 2);
2238 printf("request timeout(cmd orb:0x%08x) ... ",
2239 (uint32_t)ocb->bus_addr);
2240
2241 sdev->timeout ++;
2242 switch(sdev->timeout) {
2243 case 1:
2244 printf("agent reset\n");
2245 xpt_freeze_devq(sdev->path, 1);
2246 sdev->freeze ++;
2247 sbp_abort_all_ocbs(sdev, CAM_CMD_TIMEOUT);
2248 sbp_agent_reset(sdev);
2249 break;
2250 case 2:
2251 case 3:
2252 sbp_target_reset(sdev, sdev->timeout - 1);
2253 break;
2254#if 0
2255 default:
2256 /* XXX give up */
2257 sbp_cam_detach_target(target);
2258 if (target->luns != NULL)
2259 free(target->luns, M_SBP);
2260 target->num_lun = 0;;
2261 target->luns = NULL;
2262 target->fwdev = NULL;
2263#endif
2264 }
2265}
2266
2267static void
2268sbp_action1(struct cam_sim *sim, union ccb *ccb)
2269{
2270
2271 struct sbp_softc *sbp = (struct sbp_softc *)sim->softc;
2272 struct sbp_target *target = NULL;
2273 struct sbp_dev *sdev = NULL;
2274
2275 /* target:lun -> sdev mapping */
2276 if (sbp != NULL
2277 && ccb->ccb_h.target_id != CAM_TARGET_WILDCARD
2278 && ccb->ccb_h.target_id < SBP_NUM_TARGETS) {
2279 target = &sbp->targets[ccb->ccb_h.target_id];
2280 if (target->fwdev != NULL
2281 && ccb->ccb_h.target_lun != CAM_LUN_WILDCARD
2282 && ccb->ccb_h.target_lun < target->num_lun) {
2283 sdev = target->luns[ccb->ccb_h.target_lun];
2284 if (sdev != NULL && sdev->status != SBP_DEV_ATTACHED &&
2285 sdev->status != SBP_DEV_PROBE)
2286 sdev = NULL;
2287 }
2288 }
2289
2290SBP_DEBUG(1)
2291 if (sdev == NULL)
2292 printf("invalid target %d lun %d\n",
2293 ccb->ccb_h.target_id, ccb->ccb_h.target_lun);
2294END_DEBUG
2295
2296 switch (ccb->ccb_h.func_code) {
2297 case XPT_SCSI_IO:
2298 case XPT_RESET_DEV:
2299 case XPT_GET_TRAN_SETTINGS:
2300 case XPT_SET_TRAN_SETTINGS:
2301 case XPT_CALC_GEOMETRY:
2302 if (sdev == NULL) {
2303SBP_DEBUG(1)
2304 printf("%s:%d:%d:func_code 0x%04x: "
2305 "Invalid target (target needed)\n",
2306 device_get_nameunit(sbp->fd.dev),
2307 ccb->ccb_h.target_id, ccb->ccb_h.target_lun,
2308 ccb->ccb_h.func_code);
2309END_DEBUG
2310
2311 ccb->ccb_h.status = CAM_DEV_NOT_THERE;
2312 xpt_done(ccb);
2313 return;
2314 }
2315 break;
2316 case XPT_PATH_INQ:
2317 case XPT_NOOP:
2318 /* The opcodes sometimes aimed at a target (sc is valid),
2319 * sometimes aimed at the SIM (sc is invalid and target is
2320 * CAM_TARGET_WILDCARD)
2321 */
2322 if (sbp == NULL &&
2323 ccb->ccb_h.target_id != CAM_TARGET_WILDCARD) {
2324SBP_DEBUG(0)
2325 printf("%s:%d:%d func_code 0x%04x: "
2326 "Invalid target (no wildcard)\n",
2327 device_get_nameunit(sbp->fd.dev),
2328 ccb->ccb_h.target_id, ccb->ccb_h.target_lun,
2329 ccb->ccb_h.func_code);
2330END_DEBUG
2331 ccb->ccb_h.status = CAM_DEV_NOT_THERE;
2332 xpt_done(ccb);
2333 return;
2334 }
2335 break;
2336 default:
2337 /* XXX Hm, we should check the input parameters */
2338 break;
2339 }
2340
2341 switch (ccb->ccb_h.func_code) {
2342 case XPT_SCSI_IO:
2343 {
2344 struct ccb_scsiio *csio;
2345 struct sbp_ocb *ocb;
2346 int speed;
2347 void *cdb;
2348
2349 csio = &ccb->csio;
2350
2351SBP_DEBUG(2)
2352 printf("%s:%d:%d XPT_SCSI_IO: "
2353 "cmd: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x"
2354 ", flags: 0x%02x, "
2355 "%db cmd/%db data/%db sense\n",
2356 device_get_nameunit(sbp->fd.dev),
2357 ccb->ccb_h.target_id, ccb->ccb_h.target_lun,
2358 csio->cdb_io.cdb_bytes[0],
2359 csio->cdb_io.cdb_bytes[1],
2360 csio->cdb_io.cdb_bytes[2],
2361 csio->cdb_io.cdb_bytes[3],
2362 csio->cdb_io.cdb_bytes[4],
2363 csio->cdb_io.cdb_bytes[5],
2364 csio->cdb_io.cdb_bytes[6],
2365 csio->cdb_io.cdb_bytes[7],
2366 csio->cdb_io.cdb_bytes[8],
2367 csio->cdb_io.cdb_bytes[9],
2368 ccb->ccb_h.flags & CAM_DIR_MASK,
2369 csio->cdb_len, csio->dxfer_len,
2370 csio->sense_len);
2371END_DEBUG
2372 if(sdev == NULL){
2373 ccb->ccb_h.status = CAM_DEV_NOT_THERE;
2374 xpt_done(ccb);
2375 return;
2376 }
2377#if 0
2378 /* if we are in probe stage, pass only probe commands */
2379 if (sdev->status == SBP_DEV_PROBE) {
2380 char *name;
2381 name = xpt_path_periph(ccb->ccb_h.path)->periph_name;
2382 printf("probe stage, periph name: %s\n", name);
2383 if (strcmp(name, "probe") != 0) {
2384 ccb->ccb_h.status = CAM_REQUEUE_REQ;
2385 xpt_done(ccb);
2386 return;
2387 }
2388 }
2389#endif
2390 if ((ocb = sbp_get_ocb(sdev)) == NULL) {
2391 ccb->ccb_h.status = CAM_REQUEUE_REQ;
2392 if (sdev->freeze == 0) {
2393 xpt_freeze_devq(sdev->path, 1);
2394 sdev->freeze ++;
2395 }
2396 xpt_done(ccb);
2397 return;
2398 }
2399
2400 ocb->flags = OCB_ACT_CMD;
2401 ocb->sdev = sdev;
2402 ocb->ccb = ccb;
2403 ccb->ccb_h.ccb_sdev_ptr = sdev;
2404 ocb->orb[0] = htonl(1 << 31);
2405 ocb->orb[1] = 0;
2406 ocb->orb[2] = htonl(((sbp->fd.fc->nodeid | FWLOCALBUS )<< 16) );
2407 ocb->orb[3] = htonl(ocb->bus_addr + IND_PTR_OFFSET);
2408 speed = min(target->fwdev->speed, max_speed);
2409 ocb->orb[4] = htonl(ORB_NOTIFY | ORB_CMD_SPD(speed)
2410 | ORB_CMD_MAXP(speed + 7));
2411 if((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN){
2412 ocb->orb[4] |= htonl(ORB_CMD_IN);
2413 }
2414
2415 if (csio->ccb_h.flags & CAM_SCATTER_VALID)
2416 printf("sbp: CAM_SCATTER_VALID\n");
2417 if (csio->ccb_h.flags & CAM_DATA_PHYS)
2418 printf("sbp: CAM_DATA_PHYS\n");
2419
2420 if (csio->ccb_h.flags & CAM_CDB_POINTER)
2421 cdb = (void *)csio->cdb_io.cdb_ptr;
2422 else
2423 cdb = (void *)&csio->cdb_io.cdb_bytes;
2424 bcopy(cdb, (void *)&ocb->orb[5], csio->cdb_len);
2425/*
2426printf("ORB %08x %08x %08x %08x\n", ntohl(ocb->orb[0]), ntohl(ocb->orb[1]), ntohl(ocb->orb[2]), ntohl(ocb->orb[3]));
2427printf("ORB %08x %08x %08x %08x\n", ntohl(ocb->orb[4]), ntohl(ocb->orb[5]), ntohl(ocb->orb[6]), ntohl(ocb->orb[7]));
2428*/
2429 if (ccb->csio.dxfer_len > 0) {
2430 int s, error;
2431
2432 s = splsoftvm();
2433 error = bus_dmamap_load(/*dma tag*/sbp->dmat,
2434 /*dma map*/ocb->dmamap,
2435 ccb->csio.data_ptr,
2436 ccb->csio.dxfer_len,
2437 sbp_execute_ocb,
2438 ocb,
2439 /*flags*/0);
2440 splx(s);
2441 if (error)
2442 printf("sbp: bus_dmamap_load error %d\n", error);
2443 } else
2444 sbp_execute_ocb(ocb, NULL, 0, 0);
2445 break;
2446 }
2447 case XPT_CALC_GEOMETRY:
2448 {
2449 struct ccb_calc_geometry *ccg;
2450#if defined(__DragonFly__) || __FreeBSD_version < 501100
2451 uint32_t size_mb;
2452 uint32_t secs_per_cylinder;
2453 int extended = 1;
2454#endif
2455
2456 ccg = &ccb->ccg;
2457 if (ccg->block_size == 0) {
2458 printf("sbp_action1: block_size is 0.\n");
2459 ccb->ccb_h.status = CAM_REQ_INVALID;
2460 xpt_done(ccb);
2461 break;
2462 }
2463SBP_DEBUG(1)
2464 printf("%s:%d:%d:%d:XPT_CALC_GEOMETRY: "
2465#if defined(__DragonFly__) || __FreeBSD_version < 500000
2466 "Volume size = %d\n",
2467#else
2468 "Volume size = %jd\n",
2469#endif
2470 device_get_nameunit(sbp->fd.dev),
2471 cam_sim_path(sbp->sim),
2472 ccb->ccb_h.target_id, ccb->ccb_h.target_lun,
2473#if defined(__FreeBSD__) && __FreeBSD_version >= 500000
2474 (uintmax_t)
2475#endif
2476 ccg->volume_size);
2477END_DEBUG
2478
2479#if defined(__DragonFly__) || __FreeBSD_version < 501100
2480 size_mb = ccg->volume_size
2481 / ((1024L * 1024L) / ccg->block_size);
2482
2483 if (size_mb > 1024 && extended) {
2484 ccg->heads = 255;
2485 ccg->secs_per_track = 63;
2486 } else {
2487 ccg->heads = 64;
2488 ccg->secs_per_track = 32;
2489 }
2490 secs_per_cylinder = ccg->heads * ccg->secs_per_track;
2491 ccg->cylinders = ccg->volume_size / secs_per_cylinder;
2492 ccb->ccb_h.status = CAM_REQ_CMP;
2493#else
2494 cam_calc_geometry(ccg, /*extended*/1);
2495#endif
2496 xpt_done(ccb);
2497 break;
2498 }
2499 case XPT_RESET_BUS: /* Reset the specified SCSI bus */
2500 {
2501
2502SBP_DEBUG(1)
2503 printf("%s:%d:XPT_RESET_BUS: \n",
2504 device_get_nameunit(sbp->fd.dev), cam_sim_path(sbp->sim));
2505END_DEBUG
2506
2507 ccb->ccb_h.status = CAM_REQ_INVALID;
2508 xpt_done(ccb);
2509 break;
2510 }
2511 case XPT_PATH_INQ: /* Path routing inquiry */
2512 {
2513 struct ccb_pathinq *cpi = &ccb->cpi;
2514
2515SBP_DEBUG(1)
2516 printf("%s:%d:%d XPT_PATH_INQ:.\n",
2517 device_get_nameunit(sbp->fd.dev),
2518 ccb->ccb_h.target_id, ccb->ccb_h.target_lun);
2519END_DEBUG
2520 cpi->version_num = 1; /* XXX??? */
2521 cpi->hba_inquiry = PI_TAG_ABLE;
2522 cpi->target_sprt = 0;
2523 cpi->hba_misc = PIM_NOBUSRESET | PIM_NO_6_BYTE;
2524 cpi->hba_eng_cnt = 0;
2525 cpi->max_target = SBP_NUM_TARGETS - 1;
2526 cpi->max_lun = SBP_NUM_LUNS - 1;
2527 cpi->initiator_id = SBP_INITIATOR;
2528 cpi->bus_id = sim->bus_id;
2529 cpi->base_transfer_speed = 400 * 1000 / 8;
2530 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
2531 strncpy(cpi->hba_vid, "SBP", HBA_IDLEN);
2532 strncpy(cpi->dev_name, sim->sim_name, DEV_IDLEN);
2533 cpi->unit_number = sim->unit_number;
2534 cpi->transport = XPORT_SPI; /* XX should have a FireWire */
2535 cpi->transport_version = 2;
2536 cpi->protocol = PROTO_SCSI;
2537 cpi->protocol_version = SCSI_REV_2;
2538
2539 cpi->ccb_h.status = CAM_REQ_CMP;
2540 xpt_done(ccb);
2541 break;
2542 }
2543 case XPT_GET_TRAN_SETTINGS:
2544 {
2545 struct ccb_trans_settings *cts = &ccb->cts;
2546 struct ccb_trans_settings_scsi *scsi =
2547 &cts->proto_specific.scsi;
2548 struct ccb_trans_settings_spi *spi =
2549 &cts->xport_specific.spi;
2550
2551 cts->protocol = PROTO_SCSI;
2552 cts->protocol_version = SCSI_REV_2;
2553 cts->transport = XPORT_SPI; /* should have a FireWire */
2554 cts->transport_version = 2;
2555 spi->valid = CTS_SPI_VALID_DISC;
2556 spi->flags = CTS_SPI_FLAGS_DISC_ENB;
2557 scsi->valid = CTS_SCSI_VALID_TQ;
2558 scsi->flags = CTS_SCSI_FLAGS_TAG_ENB;
2559SBP_DEBUG(1)
2560 printf("%s:%d:%d XPT_GET_TRAN_SETTINGS:.\n",
2561 device_get_nameunit(sbp->fd.dev),
2562 ccb->ccb_h.target_id, ccb->ccb_h.target_lun);
2563END_DEBUG
2564 cts->ccb_h.status = CAM_REQ_CMP;
2565 xpt_done(ccb);
2566 break;
2567 }
2568 case XPT_ABORT:
2569 ccb->ccb_h.status = CAM_UA_ABORT;
2570 xpt_done(ccb);
2571 break;
2572 case XPT_SET_TRAN_SETTINGS:
2573 /* XXX */
2574 default:
2575 ccb->ccb_h.status = CAM_REQ_INVALID;
2576 xpt_done(ccb);
2577 break;
2578 }
2579 return;
2580}
2581
2582static void
2583sbp_action(struct cam_sim *sim, union ccb *ccb)
2584{
2585 int s;
2586
2587 s = splfw();
2588 sbp_action1(sim, ccb);
2589 splx(s);
2590}
2591
2592static void
2593sbp_execute_ocb(void *arg, bus_dma_segment_t *segments, int seg, int error)
2594{
2595 int i;
2596 struct sbp_ocb *ocb;
2597 struct sbp_ocb *prev;
2598 bus_dma_segment_t *s;
2599
2600 if (error)
2601 printf("sbp_execute_ocb: error=%d\n", error);
2602
2603 ocb = (struct sbp_ocb *)arg;
2604
2605SBP_DEBUG(2)
2606 printf("sbp_execute_ocb: seg %d", seg);
2607 for (i = 0; i < seg; i++)
2608#if defined(__DragonFly__) || __FreeBSD_version < 500000
2609 printf(", %x:%d", segments[i].ds_addr, segments[i].ds_len);
2610#else
2611 printf(", %jx:%jd", (uintmax_t)segments[i].ds_addr,
2612 (uintmax_t)segments[i].ds_len);
2613#endif
2614 printf("\n");
2615END_DEBUG
2616
2617 if (seg == 1) {
2618 /* direct pointer */
2619 s = &segments[0];
2620 if (s->ds_len > SBP_SEG_MAX)
2621 panic("ds_len > SBP_SEG_MAX, fix busdma code");
2622 ocb->orb[3] = htonl(s->ds_addr);
2623 ocb->orb[4] |= htonl(s->ds_len);
2624 } else if(seg > 1) {
2625 /* page table */
2626 for (i = 0; i < seg; i++) {
2627 s = &segments[i];
2628SBP_DEBUG(0)
2629 /* XXX LSI Logic "< 16 byte" bug might be hit */
2630 if (s->ds_len < 16)
2631 printf("sbp_execute_ocb: warning, "
2632#if defined(__DragonFly__) || __FreeBSD_version < 500000
2633 "segment length(%d) is less than 16."
2634#else
2635 "segment length(%zd) is less than 16."
2636#endif
2637 "(seg=%d/%d)\n", s->ds_len, i+1, seg);
2638END_DEBUG
2639 if (s->ds_len > SBP_SEG_MAX)
2640 panic("ds_len > SBP_SEG_MAX, fix busdma code");
2641 ocb->ind_ptr[i].hi = htonl(s->ds_len << 16);
2642 ocb->ind_ptr[i].lo = htonl(s->ds_addr);
2643 }
2644 ocb->orb[4] |= htonl(ORB_CMD_PTBL | seg);
2645 }
2646
2647 if (seg > 0)
2648 bus_dmamap_sync(ocb->sdev->target->sbp->dmat, ocb->dmamap,
2649 (ntohl(ocb->orb[4]) & ORB_CMD_IN) ?
2650 BUS_DMASYNC_PREREAD : BUS_DMASYNC_PREWRITE);
2651 prev = sbp_enqueue_ocb(ocb->sdev, ocb);
2652 fwdma_sync(&ocb->sdev->dma, BUS_DMASYNC_PREWRITE);
2653 if (use_doorbell) {
2654 if (prev == NULL) {
2655 if (ocb->sdev->last_ocb != NULL)
2656 sbp_doorbell(ocb->sdev);
2657 else
2658 sbp_orb_pointer(ocb->sdev, ocb);
2659 }
2660 } else {
2661 if (prev == NULL || (ocb->sdev->flags & ORB_LINK_DEAD) != 0) {
2662 ocb->sdev->flags &= ~ORB_LINK_DEAD;
2663 sbp_orb_pointer(ocb->sdev, ocb);
2664 }
2665 }
2666}
2667
2668static void
2669sbp_poll(struct cam_sim *sim)
2670{
2671 struct sbp_softc *sbp;
2672 struct firewire_comm *fc;
2673
2674 sbp = (struct sbp_softc *)sim->softc;
2675 fc = sbp->fd.fc;
2676
2677 fc->poll(fc, 0, -1);
2678
2679 return;
2680}
2681
2682static struct sbp_ocb *
2683sbp_dequeue_ocb(struct sbp_dev *sdev, struct sbp_status *sbp_status)
2684{
2685 struct sbp_ocb *ocb;
2686 struct sbp_ocb *next;
2687 int s = splfw(), order = 0;
2688 int flags;
2689
2690SBP_DEBUG(1)
2691 sbp_show_sdev_info(sdev, 2);
2692#if defined(__DragonFly__) || __FreeBSD_version < 500000
2693 printf("%s: 0x%08lx src %d\n",
2694#else
2695 printf("%s: 0x%08x src %d\n",
2696#endif
2697 __func__, ntohl(sbp_status->orb_lo), sbp_status->src);
2698END_DEBUG
2699 for (ocb = STAILQ_FIRST(&sdev->ocbs); ocb != NULL; ocb = next) {
2700 next = STAILQ_NEXT(ocb, ocb);
2701 flags = ocb->flags;
2702 if (OCB_MATCH(ocb, sbp_status)) {
2703 /* found */
2704 STAILQ_REMOVE(&sdev->ocbs, ocb, sbp_ocb, ocb);
2705 if (ocb->ccb != NULL)
2706 untimeout(sbp_timeout, (caddr_t)ocb,
2707 ocb->ccb->ccb_h.timeout_ch);
2708 if (ntohl(ocb->orb[4]) & 0xffff) {
2709 bus_dmamap_sync(sdev->target->sbp->dmat,
2710 ocb->dmamap,
2711 (ntohl(ocb->orb[4]) & ORB_CMD_IN) ?
2712 BUS_DMASYNC_POSTREAD :
2713 BUS_DMASYNC_POSTWRITE);
2714 bus_dmamap_unload(sdev->target->sbp->dmat,
2715 ocb->dmamap);
2716 }
2717 if (!use_doorbell) {
2718 if (sbp_status->src == SRC_NO_NEXT) {
2719 if (next != NULL)
2720 sbp_orb_pointer(sdev, next);
2721 else if (order > 0) {
2722 /*
2723 * Unordered execution
2724 * We need to send pointer for
2725 * next ORB
2726 */
2727 sdev->flags |= ORB_LINK_DEAD;
2728 }
2729 }
2730 } else {
2731 /*
2732 * XXX this is not correct for unordered
2733 * execution.
2734 */
2735 if (sdev->last_ocb != NULL)
2736 sbp_free_ocb(sdev, sdev->last_ocb);
2737 sdev->last_ocb = ocb;
2738 if (next != NULL &&
2739 sbp_status->src == SRC_NO_NEXT)
2740 sbp_doorbell(sdev);
2741 }
2742 break;
2743 } else
2744 order ++;
2745 }
2746 splx(s);
2747SBP_DEBUG(0)
2748 if (ocb && order > 0) {
2749 sbp_show_sdev_info(sdev, 2);
2750 printf("unordered execution order:%d\n", order);
2751 }
2752END_DEBUG
2753 return (ocb);
2754}
2755
2756static struct sbp_ocb *
2757sbp_enqueue_ocb(struct sbp_dev *sdev, struct sbp_ocb *ocb)
2758{
2759 int s = splfw();
2760 struct sbp_ocb *prev, *prev2;
2761
2762SBP_DEBUG(1)
2763 sbp_show_sdev_info(sdev, 2);
2764#if defined(__DragonFly__) || __FreeBSD_version < 500000
2765 printf("%s: 0x%08x\n", __func__, ocb->bus_addr);
2766#else
2767 printf("%s: 0x%08jx\n", __func__, (uintmax_t)ocb->bus_addr);
2768#endif
2769END_DEBUG
2770 prev2 = prev = STAILQ_LAST(&sdev->ocbs, sbp_ocb, ocb);
2771 STAILQ_INSERT_TAIL(&sdev->ocbs, ocb, ocb);
2772
2773 if (ocb->ccb != NULL)
2774 ocb->ccb->ccb_h.timeout_ch = timeout(sbp_timeout, (caddr_t)ocb,
2775 (ocb->ccb->ccb_h.timeout * hz) / 1000);
2776
2777 if (use_doorbell && prev == NULL)
2778 prev2 = sdev->last_ocb;
2779
2780 if (prev2 != NULL) {
2781SBP_DEBUG(2)
2782#if defined(__DragonFly__) || __FreeBSD_version < 500000
2783 printf("linking chain 0x%x -> 0x%x\n",
2784 prev2->bus_addr, ocb->bus_addr);
2785#else
2786 printf("linking chain 0x%jx -> 0x%jx\n",
2787 (uintmax_t)prev2->bus_addr, (uintmax_t)ocb->bus_addr);
2788#endif
2789END_DEBUG
2790 prev2->orb[1] = htonl(ocb->bus_addr);
2791 prev2->orb[0] = 0;
2792 }
2793 splx(s);
2794
2795 return prev;
2796}
2797
2798static struct sbp_ocb *
2799sbp_get_ocb(struct sbp_dev *sdev)
2800{
2801 struct sbp_ocb *ocb;
2802 int s = splfw();
2803 ocb = STAILQ_FIRST(&sdev->free_ocbs);
2804 if (ocb == NULL) {
2805 sdev->flags |= ORB_SHORTAGE;
2806 printf("ocb shortage!!!\n");
2807 splx(s);
2808 return NULL;
2809 }
2810 STAILQ_REMOVE_HEAD(&sdev->free_ocbs, ocb);
2811 splx(s);
2812 ocb->ccb = NULL;
2813 return (ocb);
2814}
2815
2816static void
2817sbp_free_ocb(struct sbp_dev *sdev, struct sbp_ocb *ocb)
2818{
2819 ocb->flags = 0;
2820 ocb->ccb = NULL;
2821 STAILQ_INSERT_TAIL(&sdev->free_ocbs, ocb, ocb);
2822 if ((sdev->flags & ORB_SHORTAGE) != 0) {
2823 int count;
2824
2825 sdev->flags &= ~ORB_SHORTAGE;
2826 count = sdev->freeze;
2827 sdev->freeze = 0;
2828 xpt_release_devq(sdev->path, count, TRUE);
2829 }
2830}
2831
2832static void
2833sbp_abort_ocb(struct sbp_ocb *ocb, int status)
2834{
2835 struct sbp_dev *sdev;
2836
2837 sdev = ocb->sdev;
2838SBP_DEBUG(0)
2839 sbp_show_sdev_info(sdev, 2);
2840#if defined(__DragonFly__) || __FreeBSD_version < 500000
2841 printf("sbp_abort_ocb 0x%x\n", ocb->bus_addr);
2842#else
2843 printf("sbp_abort_ocb 0x%jx\n", (uintmax_t)ocb->bus_addr);
2844#endif
2845END_DEBUG
2846SBP_DEBUG(1)
2847 if (ocb->ccb != NULL)
2848 sbp_print_scsi_cmd(ocb);
2849END_DEBUG
2850 if (ntohl(ocb->orb[4]) & 0xffff) {
2851 bus_dmamap_sync(sdev->target->sbp->dmat, ocb->dmamap,
2852 (ntohl(ocb->orb[4]) & ORB_CMD_IN) ?
2853 BUS_DMASYNC_POSTREAD : BUS_DMASYNC_POSTWRITE);
2854 bus_dmamap_unload(sdev->target->sbp->dmat, ocb->dmamap);
2855 }
2856 if (ocb->ccb != NULL) {
2857 untimeout(sbp_timeout, (caddr_t)ocb,
2858 ocb->ccb->ccb_h.timeout_ch);
2859 ocb->ccb->ccb_h.status = status;
2860 xpt_done(ocb->ccb);
2861 }
2862 sbp_free_ocb(sdev, ocb);
2863}
2864
2865static void
2866sbp_abort_all_ocbs(struct sbp_dev *sdev, int status)
2867{
2868 int s;
2869 struct sbp_ocb *ocb, *next;
2870 STAILQ_HEAD(, sbp_ocb) temp;
2871
2872 s = splfw();
2873
2874 bcopy(&sdev->ocbs, &temp, sizeof(temp));
2875 STAILQ_INIT(&sdev->ocbs);
2876 for (ocb = STAILQ_FIRST(&temp); ocb != NULL; ocb = next) {
2877 next = STAILQ_NEXT(ocb, ocb);
2878 sbp_abort_ocb(ocb, status);
2879 }
2880 if (sdev->last_ocb != NULL) {
2881 sbp_free_ocb(sdev, sdev->last_ocb);
2882 sdev->last_ocb = NULL;
2883 }
2884
2885 splx(s);
2886}
2887
2888static devclass_t sbp_devclass;
2889
2890static device_method_t sbp_methods[] = {
2891 /* device interface */
2892 DEVMETHOD(device_identify, sbp_identify),
2893 DEVMETHOD(device_probe, sbp_probe),
2894 DEVMETHOD(device_attach, sbp_attach),
2895 DEVMETHOD(device_detach, sbp_detach),
2896 DEVMETHOD(device_shutdown, sbp_shutdown),
2897
2898 { 0, 0 }
2899};
2900
2901static driver_t sbp_driver = {
2902 "sbp",
2903 sbp_methods,
2904 sizeof(struct sbp_softc),
2905};
2906#ifdef __DragonFly__
2907DECLARE_DUMMY_MODULE(sbp);
2908#endif
2909DRIVER_MODULE(sbp, firewire, sbp_driver, sbp_devclass, 0, 0);
2910MODULE_VERSION(sbp, 1);
2911MODULE_DEPEND(sbp, firewire, 1, 1, 1);
2912MODULE_DEPEND(sbp, cam, 1, 1, 1);
| 1968 /*untagged*/ 1,
1969 /*tagged*/ SBP_QUEUE_LEN - 1,
1970 devq);
1971
1972 if (sbp->sim == NULL) {
1973 cam_simq_free(devq);
1974 return (ENXIO);
1975 }
1976
1977
1978 if (xpt_bus_register(sbp->sim, /*bus*/0) != CAM_SUCCESS)
1979 goto fail;
1980
1981 if (xpt_create_path(&sbp->path, xpt_periph, cam_sim_path(sbp->sim),
1982 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
1983 xpt_bus_deregister(cam_sim_path(sbp->sim));
1984 goto fail;
1985 }
1986
1987 /* We reserve 16 bit space (4 bytes X 64 targets X 256 luns) */
1988 sbp->fwb.start = ((u_int64_t)SBP_BIND_HI << 32) | SBP_DEV2ADDR(0, 0);
1989 sbp->fwb.end = sbp->fwb.start + 0xffff;
1990 sbp->fwb.act_type = FWACT_XFER;
1991 /* pre-allocate xfer */
1992 STAILQ_INIT(&sbp->fwb.xferlist);
1993 for (i = 0; i < SBP_NUM_OCB/2; i ++) {
1994 xfer = fw_xfer_alloc_buf(M_SBP,
1995 /* send */0,
1996 /* recv */SBP_RECV_LEN);
1997 xfer->hand = sbp_recv;
1998#if NEED_RESPONSE
1999 xfer->fc = sbp->fd.fc;
2000#endif
2001 xfer->sc = (caddr_t)sbp;
2002 STAILQ_INSERT_TAIL(&sbp->fwb.xferlist, xfer, link);
2003 }
2004 fw_bindadd(sbp->fd.fc, &sbp->fwb);
2005
2006 sbp->fd.post_busreset = sbp_post_busreset;
2007 sbp->fd.post_explore = sbp_post_explore;
2008
2009 if (sbp->fd.fc->status != -1) {
2010 s = splfw();
2011 sbp_post_busreset((void *)sbp);
2012 sbp_post_explore((void *)sbp);
2013 splx(s);
2014 }
2015 xpt_async(AC_BUS_RESET, sbp->path, /*arg*/ NULL);
2016
2017 return (0);
2018fail:
2019 cam_sim_free(sbp->sim, /*free_devq*/TRUE);
2020 return (ENXIO);
2021}
2022
2023static int
2024sbp_logout_all(struct sbp_softc *sbp)
2025{
2026 struct sbp_target *target;
2027 struct sbp_dev *sdev;
2028 int i, j;
2029
2030SBP_DEBUG(0)
2031 printf("sbp_logout_all\n");
2032END_DEBUG
2033 for (i = 0 ; i < SBP_NUM_TARGETS ; i ++) {
2034 target = &sbp->targets[i];
2035 if (target->luns == NULL)
2036 continue;
2037 for (j = 0; j < target->num_lun; j++) {
2038 sdev = target->luns[j];
2039 if (sdev == NULL)
2040 continue;
2041 callout_stop(&sdev->login_callout);
2042 if (sdev->status >= SBP_DEV_TOATTACH &&
2043 sdev->status <= SBP_DEV_ATTACHED)
2044 sbp_mgm_orb(sdev, ORB_FUN_LGO, NULL);
2045 }
2046 }
2047
2048 return 0;
2049}
2050
2051static int
2052sbp_shutdown(device_t dev)
2053{
2054 struct sbp_softc *sbp = ((struct sbp_softc *)device_get_softc(dev));
2055
2056 sbp_logout_all(sbp);
2057 return (0);
2058}
2059
2060static void
2061sbp_free_sdev(struct sbp_dev *sdev)
2062{
2063 int i;
2064
2065 if (sdev == NULL)
2066 return;
2067 for (i = 0; i < SBP_QUEUE_LEN; i++)
2068 bus_dmamap_destroy(sdev->target->sbp->dmat,
2069 sdev->ocb[i].dmamap);
2070 fwdma_free(sdev->target->sbp->fd.fc, &sdev->dma);
2071 free(sdev, M_SBP);
2072}
2073
2074static void
2075sbp_free_target(struct sbp_target *target)
2076{
2077 struct sbp_softc *sbp;
2078 struct fw_xfer *xfer, *next;
2079 int i;
2080
2081 if (target->luns == NULL)
2082 return;
2083 callout_stop(&target->mgm_ocb_timeout);
2084 sbp = target->sbp;
2085 for (i = 0; i < target->num_lun; i++)
2086 sbp_free_sdev(target->luns[i]);
2087
2088 for (xfer = STAILQ_FIRST(&target->xferlist);
2089 xfer != NULL; xfer = next) {
2090 next = STAILQ_NEXT(xfer, link);
2091 fw_xfer_free_buf(xfer);
2092 }
2093 STAILQ_INIT(&target->xferlist);
2094 free(target->luns, M_SBP);
2095 target->num_lun = 0;;
2096 target->luns = NULL;
2097 target->fwdev = NULL;
2098}
2099
2100static int
2101sbp_detach(device_t dev)
2102{
2103 struct sbp_softc *sbp = ((struct sbp_softc *)device_get_softc(dev));
2104 struct firewire_comm *fc = sbp->fd.fc;
2105 struct fw_xfer *xfer, *next;
2106 int i;
2107
2108SBP_DEBUG(0)
2109 printf("sbp_detach\n");
2110END_DEBUG
2111
2112 for (i = 0; i < SBP_NUM_TARGETS; i ++)
2113 sbp_cam_detach_target(&sbp->targets[i]);
2114 xpt_async(AC_LOST_DEVICE, sbp->path, NULL);
2115 xpt_free_path(sbp->path);
2116 xpt_bus_deregister(cam_sim_path(sbp->sim));
2117 cam_sim_free(sbp->sim, /*free_devq*/ TRUE),
2118
2119 sbp_logout_all(sbp);
2120
2121 /* XXX wait for logout completion */
2122 pause("sbpdtc", hz/2);
2123
2124 for (i = 0 ; i < SBP_NUM_TARGETS ; i ++)
2125 sbp_free_target(&sbp->targets[i]);
2126
2127 for (xfer = STAILQ_FIRST(&sbp->fwb.xferlist);
2128 xfer != NULL; xfer = next) {
2129 next = STAILQ_NEXT(xfer, link);
2130 fw_xfer_free_buf(xfer);
2131 }
2132 STAILQ_INIT(&sbp->fwb.xferlist);
2133 fw_bindremove(fc, &sbp->fwb);
2134
2135 bus_dma_tag_destroy(sbp->dmat);
2136
2137 return (0);
2138}
2139
2140static void
2141sbp_cam_detach_sdev(struct sbp_dev *sdev)
2142{
2143 if (sdev == NULL)
2144 return;
2145 if (sdev->status == SBP_DEV_DEAD)
2146 return;
2147 if (sdev->status == SBP_DEV_RESET)
2148 return;
2149 if (sdev->path) {
2150 xpt_release_devq(sdev->path,
2151 sdev->freeze, TRUE);
2152 sdev->freeze = 0;
2153 xpt_async(AC_LOST_DEVICE, sdev->path, NULL);
2154 xpt_free_path(sdev->path);
2155 sdev->path = NULL;
2156 }
2157 sbp_abort_all_ocbs(sdev, CAM_DEV_NOT_THERE);
2158}
2159
2160static void
2161sbp_cam_detach_target(struct sbp_target *target)
2162{
2163 int i;
2164
2165 if (target->luns != NULL) {
2166SBP_DEBUG(0)
2167 printf("sbp_detach_target %d\n", target->target_id);
2168END_DEBUG
2169 callout_stop(&target->scan_callout);
2170 for (i = 0; i < target->num_lun; i++)
2171 sbp_cam_detach_sdev(target->luns[i]);
2172 }
2173}
2174
2175static void
2176sbp_target_reset(struct sbp_dev *sdev, int method)
2177{
2178 int i;
2179 struct sbp_target *target = sdev->target;
2180 struct sbp_dev *tsdev;
2181
2182 for (i = 0; i < target->num_lun; i++) {
2183 tsdev = target->luns[i];
2184 if (tsdev == NULL)
2185 continue;
2186 if (tsdev->status == SBP_DEV_DEAD)
2187 continue;
2188 if (tsdev->status == SBP_DEV_RESET)
2189 continue;
2190 xpt_freeze_devq(tsdev->path, 1);
2191 tsdev->freeze ++;
2192 sbp_abort_all_ocbs(tsdev, CAM_CMD_TIMEOUT);
2193 if (method == 2)
2194 tsdev->status = SBP_DEV_LOGIN;
2195 }
2196 switch(method) {
2197 case 1:
2198 printf("target reset\n");
2199 sbp_mgm_orb(sdev, ORB_FUN_RST, NULL);
2200 break;
2201 case 2:
2202 printf("reset start\n");
2203 sbp_reset_start(sdev);
2204 break;
2205 }
2206
2207}
2208
2209static void
2210sbp_mgm_timeout(void *arg)
2211{
2212 struct sbp_ocb *ocb = (struct sbp_ocb *)arg;
2213 struct sbp_dev *sdev = ocb->sdev;
2214 struct sbp_target *target = sdev->target;
2215
2216 sbp_show_sdev_info(sdev, 2);
2217 printf("request timeout(mgm orb:0x%08x) ... ",
2218 (uint32_t)ocb->bus_addr);
2219 target->mgm_ocb_cur = NULL;
2220 sbp_free_ocb(sdev, ocb);
2221#if 0
2222 /* XXX */
2223 printf("run next request\n");
2224 sbp_mgm_orb(sdev, ORB_FUN_RUNQUEUE, NULL);
2225#endif
2226#if 1
2227 printf("reset start\n");
2228 sbp_reset_start(sdev);
2229#endif
2230}
2231
2232static void
2233sbp_timeout(void *arg)
2234{
2235 struct sbp_ocb *ocb = (struct sbp_ocb *)arg;
2236 struct sbp_dev *sdev = ocb->sdev;
2237
2238 sbp_show_sdev_info(sdev, 2);
2239 printf("request timeout(cmd orb:0x%08x) ... ",
2240 (uint32_t)ocb->bus_addr);
2241
2242 sdev->timeout ++;
2243 switch(sdev->timeout) {
2244 case 1:
2245 printf("agent reset\n");
2246 xpt_freeze_devq(sdev->path, 1);
2247 sdev->freeze ++;
2248 sbp_abort_all_ocbs(sdev, CAM_CMD_TIMEOUT);
2249 sbp_agent_reset(sdev);
2250 break;
2251 case 2:
2252 case 3:
2253 sbp_target_reset(sdev, sdev->timeout - 1);
2254 break;
2255#if 0
2256 default:
2257 /* XXX give up */
2258 sbp_cam_detach_target(target);
2259 if (target->luns != NULL)
2260 free(target->luns, M_SBP);
2261 target->num_lun = 0;;
2262 target->luns = NULL;
2263 target->fwdev = NULL;
2264#endif
2265 }
2266}
2267
2268static void
2269sbp_action1(struct cam_sim *sim, union ccb *ccb)
2270{
2271
2272 struct sbp_softc *sbp = (struct sbp_softc *)sim->softc;
2273 struct sbp_target *target = NULL;
2274 struct sbp_dev *sdev = NULL;
2275
2276 /* target:lun -> sdev mapping */
2277 if (sbp != NULL
2278 && ccb->ccb_h.target_id != CAM_TARGET_WILDCARD
2279 && ccb->ccb_h.target_id < SBP_NUM_TARGETS) {
2280 target = &sbp->targets[ccb->ccb_h.target_id];
2281 if (target->fwdev != NULL
2282 && ccb->ccb_h.target_lun != CAM_LUN_WILDCARD
2283 && ccb->ccb_h.target_lun < target->num_lun) {
2284 sdev = target->luns[ccb->ccb_h.target_lun];
2285 if (sdev != NULL && sdev->status != SBP_DEV_ATTACHED &&
2286 sdev->status != SBP_DEV_PROBE)
2287 sdev = NULL;
2288 }
2289 }
2290
2291SBP_DEBUG(1)
2292 if (sdev == NULL)
2293 printf("invalid target %d lun %d\n",
2294 ccb->ccb_h.target_id, ccb->ccb_h.target_lun);
2295END_DEBUG
2296
2297 switch (ccb->ccb_h.func_code) {
2298 case XPT_SCSI_IO:
2299 case XPT_RESET_DEV:
2300 case XPT_GET_TRAN_SETTINGS:
2301 case XPT_SET_TRAN_SETTINGS:
2302 case XPT_CALC_GEOMETRY:
2303 if (sdev == NULL) {
2304SBP_DEBUG(1)
2305 printf("%s:%d:%d:func_code 0x%04x: "
2306 "Invalid target (target needed)\n",
2307 device_get_nameunit(sbp->fd.dev),
2308 ccb->ccb_h.target_id, ccb->ccb_h.target_lun,
2309 ccb->ccb_h.func_code);
2310END_DEBUG
2311
2312 ccb->ccb_h.status = CAM_DEV_NOT_THERE;
2313 xpt_done(ccb);
2314 return;
2315 }
2316 break;
2317 case XPT_PATH_INQ:
2318 case XPT_NOOP:
2319 /* The opcodes sometimes aimed at a target (sc is valid),
2320 * sometimes aimed at the SIM (sc is invalid and target is
2321 * CAM_TARGET_WILDCARD)
2322 */
2323 if (sbp == NULL &&
2324 ccb->ccb_h.target_id != CAM_TARGET_WILDCARD) {
2325SBP_DEBUG(0)
2326 printf("%s:%d:%d func_code 0x%04x: "
2327 "Invalid target (no wildcard)\n",
2328 device_get_nameunit(sbp->fd.dev),
2329 ccb->ccb_h.target_id, ccb->ccb_h.target_lun,
2330 ccb->ccb_h.func_code);
2331END_DEBUG
2332 ccb->ccb_h.status = CAM_DEV_NOT_THERE;
2333 xpt_done(ccb);
2334 return;
2335 }
2336 break;
2337 default:
2338 /* XXX Hm, we should check the input parameters */
2339 break;
2340 }
2341
2342 switch (ccb->ccb_h.func_code) {
2343 case XPT_SCSI_IO:
2344 {
2345 struct ccb_scsiio *csio;
2346 struct sbp_ocb *ocb;
2347 int speed;
2348 void *cdb;
2349
2350 csio = &ccb->csio;
2351
2352SBP_DEBUG(2)
2353 printf("%s:%d:%d XPT_SCSI_IO: "
2354 "cmd: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x"
2355 ", flags: 0x%02x, "
2356 "%db cmd/%db data/%db sense\n",
2357 device_get_nameunit(sbp->fd.dev),
2358 ccb->ccb_h.target_id, ccb->ccb_h.target_lun,
2359 csio->cdb_io.cdb_bytes[0],
2360 csio->cdb_io.cdb_bytes[1],
2361 csio->cdb_io.cdb_bytes[2],
2362 csio->cdb_io.cdb_bytes[3],
2363 csio->cdb_io.cdb_bytes[4],
2364 csio->cdb_io.cdb_bytes[5],
2365 csio->cdb_io.cdb_bytes[6],
2366 csio->cdb_io.cdb_bytes[7],
2367 csio->cdb_io.cdb_bytes[8],
2368 csio->cdb_io.cdb_bytes[9],
2369 ccb->ccb_h.flags & CAM_DIR_MASK,
2370 csio->cdb_len, csio->dxfer_len,
2371 csio->sense_len);
2372END_DEBUG
2373 if(sdev == NULL){
2374 ccb->ccb_h.status = CAM_DEV_NOT_THERE;
2375 xpt_done(ccb);
2376 return;
2377 }
2378#if 0
2379 /* if we are in probe stage, pass only probe commands */
2380 if (sdev->status == SBP_DEV_PROBE) {
2381 char *name;
2382 name = xpt_path_periph(ccb->ccb_h.path)->periph_name;
2383 printf("probe stage, periph name: %s\n", name);
2384 if (strcmp(name, "probe") != 0) {
2385 ccb->ccb_h.status = CAM_REQUEUE_REQ;
2386 xpt_done(ccb);
2387 return;
2388 }
2389 }
2390#endif
2391 if ((ocb = sbp_get_ocb(sdev)) == NULL) {
2392 ccb->ccb_h.status = CAM_REQUEUE_REQ;
2393 if (sdev->freeze == 0) {
2394 xpt_freeze_devq(sdev->path, 1);
2395 sdev->freeze ++;
2396 }
2397 xpt_done(ccb);
2398 return;
2399 }
2400
2401 ocb->flags = OCB_ACT_CMD;
2402 ocb->sdev = sdev;
2403 ocb->ccb = ccb;
2404 ccb->ccb_h.ccb_sdev_ptr = sdev;
2405 ocb->orb[0] = htonl(1 << 31);
2406 ocb->orb[1] = 0;
2407 ocb->orb[2] = htonl(((sbp->fd.fc->nodeid | FWLOCALBUS )<< 16) );
2408 ocb->orb[3] = htonl(ocb->bus_addr + IND_PTR_OFFSET);
2409 speed = min(target->fwdev->speed, max_speed);
2410 ocb->orb[4] = htonl(ORB_NOTIFY | ORB_CMD_SPD(speed)
2411 | ORB_CMD_MAXP(speed + 7));
2412 if((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN){
2413 ocb->orb[4] |= htonl(ORB_CMD_IN);
2414 }
2415
2416 if (csio->ccb_h.flags & CAM_SCATTER_VALID)
2417 printf("sbp: CAM_SCATTER_VALID\n");
2418 if (csio->ccb_h.flags & CAM_DATA_PHYS)
2419 printf("sbp: CAM_DATA_PHYS\n");
2420
2421 if (csio->ccb_h.flags & CAM_CDB_POINTER)
2422 cdb = (void *)csio->cdb_io.cdb_ptr;
2423 else
2424 cdb = (void *)&csio->cdb_io.cdb_bytes;
2425 bcopy(cdb, (void *)&ocb->orb[5], csio->cdb_len);
2426/*
2427printf("ORB %08x %08x %08x %08x\n", ntohl(ocb->orb[0]), ntohl(ocb->orb[1]), ntohl(ocb->orb[2]), ntohl(ocb->orb[3]));
2428printf("ORB %08x %08x %08x %08x\n", ntohl(ocb->orb[4]), ntohl(ocb->orb[5]), ntohl(ocb->orb[6]), ntohl(ocb->orb[7]));
2429*/
2430 if (ccb->csio.dxfer_len > 0) {
2431 int s, error;
2432
2433 s = splsoftvm();
2434 error = bus_dmamap_load(/*dma tag*/sbp->dmat,
2435 /*dma map*/ocb->dmamap,
2436 ccb->csio.data_ptr,
2437 ccb->csio.dxfer_len,
2438 sbp_execute_ocb,
2439 ocb,
2440 /*flags*/0);
2441 splx(s);
2442 if (error)
2443 printf("sbp: bus_dmamap_load error %d\n", error);
2444 } else
2445 sbp_execute_ocb(ocb, NULL, 0, 0);
2446 break;
2447 }
2448 case XPT_CALC_GEOMETRY:
2449 {
2450 struct ccb_calc_geometry *ccg;
2451#if defined(__DragonFly__) || __FreeBSD_version < 501100
2452 uint32_t size_mb;
2453 uint32_t secs_per_cylinder;
2454 int extended = 1;
2455#endif
2456
2457 ccg = &ccb->ccg;
2458 if (ccg->block_size == 0) {
2459 printf("sbp_action1: block_size is 0.\n");
2460 ccb->ccb_h.status = CAM_REQ_INVALID;
2461 xpt_done(ccb);
2462 break;
2463 }
2464SBP_DEBUG(1)
2465 printf("%s:%d:%d:%d:XPT_CALC_GEOMETRY: "
2466#if defined(__DragonFly__) || __FreeBSD_version < 500000
2467 "Volume size = %d\n",
2468#else
2469 "Volume size = %jd\n",
2470#endif
2471 device_get_nameunit(sbp->fd.dev),
2472 cam_sim_path(sbp->sim),
2473 ccb->ccb_h.target_id, ccb->ccb_h.target_lun,
2474#if defined(__FreeBSD__) && __FreeBSD_version >= 500000
2475 (uintmax_t)
2476#endif
2477 ccg->volume_size);
2478END_DEBUG
2479
2480#if defined(__DragonFly__) || __FreeBSD_version < 501100
2481 size_mb = ccg->volume_size
2482 / ((1024L * 1024L) / ccg->block_size);
2483
2484 if (size_mb > 1024 && extended) {
2485 ccg->heads = 255;
2486 ccg->secs_per_track = 63;
2487 } else {
2488 ccg->heads = 64;
2489 ccg->secs_per_track = 32;
2490 }
2491 secs_per_cylinder = ccg->heads * ccg->secs_per_track;
2492 ccg->cylinders = ccg->volume_size / secs_per_cylinder;
2493 ccb->ccb_h.status = CAM_REQ_CMP;
2494#else
2495 cam_calc_geometry(ccg, /*extended*/1);
2496#endif
2497 xpt_done(ccb);
2498 break;
2499 }
2500 case XPT_RESET_BUS: /* Reset the specified SCSI bus */
2501 {
2502
2503SBP_DEBUG(1)
2504 printf("%s:%d:XPT_RESET_BUS: \n",
2505 device_get_nameunit(sbp->fd.dev), cam_sim_path(sbp->sim));
2506END_DEBUG
2507
2508 ccb->ccb_h.status = CAM_REQ_INVALID;
2509 xpt_done(ccb);
2510 break;
2511 }
2512 case XPT_PATH_INQ: /* Path routing inquiry */
2513 {
2514 struct ccb_pathinq *cpi = &ccb->cpi;
2515
2516SBP_DEBUG(1)
2517 printf("%s:%d:%d XPT_PATH_INQ:.\n",
2518 device_get_nameunit(sbp->fd.dev),
2519 ccb->ccb_h.target_id, ccb->ccb_h.target_lun);
2520END_DEBUG
2521 cpi->version_num = 1; /* XXX??? */
2522 cpi->hba_inquiry = PI_TAG_ABLE;
2523 cpi->target_sprt = 0;
2524 cpi->hba_misc = PIM_NOBUSRESET | PIM_NO_6_BYTE;
2525 cpi->hba_eng_cnt = 0;
2526 cpi->max_target = SBP_NUM_TARGETS - 1;
2527 cpi->max_lun = SBP_NUM_LUNS - 1;
2528 cpi->initiator_id = SBP_INITIATOR;
2529 cpi->bus_id = sim->bus_id;
2530 cpi->base_transfer_speed = 400 * 1000 / 8;
2531 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
2532 strncpy(cpi->hba_vid, "SBP", HBA_IDLEN);
2533 strncpy(cpi->dev_name, sim->sim_name, DEV_IDLEN);
2534 cpi->unit_number = sim->unit_number;
2535 cpi->transport = XPORT_SPI; /* XX should have a FireWire */
2536 cpi->transport_version = 2;
2537 cpi->protocol = PROTO_SCSI;
2538 cpi->protocol_version = SCSI_REV_2;
2539
2540 cpi->ccb_h.status = CAM_REQ_CMP;
2541 xpt_done(ccb);
2542 break;
2543 }
2544 case XPT_GET_TRAN_SETTINGS:
2545 {
2546 struct ccb_trans_settings *cts = &ccb->cts;
2547 struct ccb_trans_settings_scsi *scsi =
2548 &cts->proto_specific.scsi;
2549 struct ccb_trans_settings_spi *spi =
2550 &cts->xport_specific.spi;
2551
2552 cts->protocol = PROTO_SCSI;
2553 cts->protocol_version = SCSI_REV_2;
2554 cts->transport = XPORT_SPI; /* should have a FireWire */
2555 cts->transport_version = 2;
2556 spi->valid = CTS_SPI_VALID_DISC;
2557 spi->flags = CTS_SPI_FLAGS_DISC_ENB;
2558 scsi->valid = CTS_SCSI_VALID_TQ;
2559 scsi->flags = CTS_SCSI_FLAGS_TAG_ENB;
2560SBP_DEBUG(1)
2561 printf("%s:%d:%d XPT_GET_TRAN_SETTINGS:.\n",
2562 device_get_nameunit(sbp->fd.dev),
2563 ccb->ccb_h.target_id, ccb->ccb_h.target_lun);
2564END_DEBUG
2565 cts->ccb_h.status = CAM_REQ_CMP;
2566 xpt_done(ccb);
2567 break;
2568 }
2569 case XPT_ABORT:
2570 ccb->ccb_h.status = CAM_UA_ABORT;
2571 xpt_done(ccb);
2572 break;
2573 case XPT_SET_TRAN_SETTINGS:
2574 /* XXX */
2575 default:
2576 ccb->ccb_h.status = CAM_REQ_INVALID;
2577 xpt_done(ccb);
2578 break;
2579 }
2580 return;
2581}
2582
2583static void
2584sbp_action(struct cam_sim *sim, union ccb *ccb)
2585{
2586 int s;
2587
2588 s = splfw();
2589 sbp_action1(sim, ccb);
2590 splx(s);
2591}
2592
2593static void
2594sbp_execute_ocb(void *arg, bus_dma_segment_t *segments, int seg, int error)
2595{
2596 int i;
2597 struct sbp_ocb *ocb;
2598 struct sbp_ocb *prev;
2599 bus_dma_segment_t *s;
2600
2601 if (error)
2602 printf("sbp_execute_ocb: error=%d\n", error);
2603
2604 ocb = (struct sbp_ocb *)arg;
2605
2606SBP_DEBUG(2)
2607 printf("sbp_execute_ocb: seg %d", seg);
2608 for (i = 0; i < seg; i++)
2609#if defined(__DragonFly__) || __FreeBSD_version < 500000
2610 printf(", %x:%d", segments[i].ds_addr, segments[i].ds_len);
2611#else
2612 printf(", %jx:%jd", (uintmax_t)segments[i].ds_addr,
2613 (uintmax_t)segments[i].ds_len);
2614#endif
2615 printf("\n");
2616END_DEBUG
2617
2618 if (seg == 1) {
2619 /* direct pointer */
2620 s = &segments[0];
2621 if (s->ds_len > SBP_SEG_MAX)
2622 panic("ds_len > SBP_SEG_MAX, fix busdma code");
2623 ocb->orb[3] = htonl(s->ds_addr);
2624 ocb->orb[4] |= htonl(s->ds_len);
2625 } else if(seg > 1) {
2626 /* page table */
2627 for (i = 0; i < seg; i++) {
2628 s = &segments[i];
2629SBP_DEBUG(0)
2630 /* XXX LSI Logic "< 16 byte" bug might be hit */
2631 if (s->ds_len < 16)
2632 printf("sbp_execute_ocb: warning, "
2633#if defined(__DragonFly__) || __FreeBSD_version < 500000
2634 "segment length(%d) is less than 16."
2635#else
2636 "segment length(%zd) is less than 16."
2637#endif
2638 "(seg=%d/%d)\n", s->ds_len, i+1, seg);
2639END_DEBUG
2640 if (s->ds_len > SBP_SEG_MAX)
2641 panic("ds_len > SBP_SEG_MAX, fix busdma code");
2642 ocb->ind_ptr[i].hi = htonl(s->ds_len << 16);
2643 ocb->ind_ptr[i].lo = htonl(s->ds_addr);
2644 }
2645 ocb->orb[4] |= htonl(ORB_CMD_PTBL | seg);
2646 }
2647
2648 if (seg > 0)
2649 bus_dmamap_sync(ocb->sdev->target->sbp->dmat, ocb->dmamap,
2650 (ntohl(ocb->orb[4]) & ORB_CMD_IN) ?
2651 BUS_DMASYNC_PREREAD : BUS_DMASYNC_PREWRITE);
2652 prev = sbp_enqueue_ocb(ocb->sdev, ocb);
2653 fwdma_sync(&ocb->sdev->dma, BUS_DMASYNC_PREWRITE);
2654 if (use_doorbell) {
2655 if (prev == NULL) {
2656 if (ocb->sdev->last_ocb != NULL)
2657 sbp_doorbell(ocb->sdev);
2658 else
2659 sbp_orb_pointer(ocb->sdev, ocb);
2660 }
2661 } else {
2662 if (prev == NULL || (ocb->sdev->flags & ORB_LINK_DEAD) != 0) {
2663 ocb->sdev->flags &= ~ORB_LINK_DEAD;
2664 sbp_orb_pointer(ocb->sdev, ocb);
2665 }
2666 }
2667}
2668
2669static void
2670sbp_poll(struct cam_sim *sim)
2671{
2672 struct sbp_softc *sbp;
2673 struct firewire_comm *fc;
2674
2675 sbp = (struct sbp_softc *)sim->softc;
2676 fc = sbp->fd.fc;
2677
2678 fc->poll(fc, 0, -1);
2679
2680 return;
2681}
2682
2683static struct sbp_ocb *
2684sbp_dequeue_ocb(struct sbp_dev *sdev, struct sbp_status *sbp_status)
2685{
2686 struct sbp_ocb *ocb;
2687 struct sbp_ocb *next;
2688 int s = splfw(), order = 0;
2689 int flags;
2690
2691SBP_DEBUG(1)
2692 sbp_show_sdev_info(sdev, 2);
2693#if defined(__DragonFly__) || __FreeBSD_version < 500000
2694 printf("%s: 0x%08lx src %d\n",
2695#else
2696 printf("%s: 0x%08x src %d\n",
2697#endif
2698 __func__, ntohl(sbp_status->orb_lo), sbp_status->src);
2699END_DEBUG
2700 for (ocb = STAILQ_FIRST(&sdev->ocbs); ocb != NULL; ocb = next) {
2701 next = STAILQ_NEXT(ocb, ocb);
2702 flags = ocb->flags;
2703 if (OCB_MATCH(ocb, sbp_status)) {
2704 /* found */
2705 STAILQ_REMOVE(&sdev->ocbs, ocb, sbp_ocb, ocb);
2706 if (ocb->ccb != NULL)
2707 untimeout(sbp_timeout, (caddr_t)ocb,
2708 ocb->ccb->ccb_h.timeout_ch);
2709 if (ntohl(ocb->orb[4]) & 0xffff) {
2710 bus_dmamap_sync(sdev->target->sbp->dmat,
2711 ocb->dmamap,
2712 (ntohl(ocb->orb[4]) & ORB_CMD_IN) ?
2713 BUS_DMASYNC_POSTREAD :
2714 BUS_DMASYNC_POSTWRITE);
2715 bus_dmamap_unload(sdev->target->sbp->dmat,
2716 ocb->dmamap);
2717 }
2718 if (!use_doorbell) {
2719 if (sbp_status->src == SRC_NO_NEXT) {
2720 if (next != NULL)
2721 sbp_orb_pointer(sdev, next);
2722 else if (order > 0) {
2723 /*
2724 * Unordered execution
2725 * We need to send pointer for
2726 * next ORB
2727 */
2728 sdev->flags |= ORB_LINK_DEAD;
2729 }
2730 }
2731 } else {
2732 /*
2733 * XXX this is not correct for unordered
2734 * execution.
2735 */
2736 if (sdev->last_ocb != NULL)
2737 sbp_free_ocb(sdev, sdev->last_ocb);
2738 sdev->last_ocb = ocb;
2739 if (next != NULL &&
2740 sbp_status->src == SRC_NO_NEXT)
2741 sbp_doorbell(sdev);
2742 }
2743 break;
2744 } else
2745 order ++;
2746 }
2747 splx(s);
2748SBP_DEBUG(0)
2749 if (ocb && order > 0) {
2750 sbp_show_sdev_info(sdev, 2);
2751 printf("unordered execution order:%d\n", order);
2752 }
2753END_DEBUG
2754 return (ocb);
2755}
2756
2757static struct sbp_ocb *
2758sbp_enqueue_ocb(struct sbp_dev *sdev, struct sbp_ocb *ocb)
2759{
2760 int s = splfw();
2761 struct sbp_ocb *prev, *prev2;
2762
2763SBP_DEBUG(1)
2764 sbp_show_sdev_info(sdev, 2);
2765#if defined(__DragonFly__) || __FreeBSD_version < 500000
2766 printf("%s: 0x%08x\n", __func__, ocb->bus_addr);
2767#else
2768 printf("%s: 0x%08jx\n", __func__, (uintmax_t)ocb->bus_addr);
2769#endif
2770END_DEBUG
2771 prev2 = prev = STAILQ_LAST(&sdev->ocbs, sbp_ocb, ocb);
2772 STAILQ_INSERT_TAIL(&sdev->ocbs, ocb, ocb);
2773
2774 if (ocb->ccb != NULL)
2775 ocb->ccb->ccb_h.timeout_ch = timeout(sbp_timeout, (caddr_t)ocb,
2776 (ocb->ccb->ccb_h.timeout * hz) / 1000);
2777
2778 if (use_doorbell && prev == NULL)
2779 prev2 = sdev->last_ocb;
2780
2781 if (prev2 != NULL) {
2782SBP_DEBUG(2)
2783#if defined(__DragonFly__) || __FreeBSD_version < 500000
2784 printf("linking chain 0x%x -> 0x%x\n",
2785 prev2->bus_addr, ocb->bus_addr);
2786#else
2787 printf("linking chain 0x%jx -> 0x%jx\n",
2788 (uintmax_t)prev2->bus_addr, (uintmax_t)ocb->bus_addr);
2789#endif
2790END_DEBUG
2791 prev2->orb[1] = htonl(ocb->bus_addr);
2792 prev2->orb[0] = 0;
2793 }
2794 splx(s);
2795
2796 return prev;
2797}
2798
2799static struct sbp_ocb *
2800sbp_get_ocb(struct sbp_dev *sdev)
2801{
2802 struct sbp_ocb *ocb;
2803 int s = splfw();
2804 ocb = STAILQ_FIRST(&sdev->free_ocbs);
2805 if (ocb == NULL) {
2806 sdev->flags |= ORB_SHORTAGE;
2807 printf("ocb shortage!!!\n");
2808 splx(s);
2809 return NULL;
2810 }
2811 STAILQ_REMOVE_HEAD(&sdev->free_ocbs, ocb);
2812 splx(s);
2813 ocb->ccb = NULL;
2814 return (ocb);
2815}
2816
2817static void
2818sbp_free_ocb(struct sbp_dev *sdev, struct sbp_ocb *ocb)
2819{
2820 ocb->flags = 0;
2821 ocb->ccb = NULL;
2822 STAILQ_INSERT_TAIL(&sdev->free_ocbs, ocb, ocb);
2823 if ((sdev->flags & ORB_SHORTAGE) != 0) {
2824 int count;
2825
2826 sdev->flags &= ~ORB_SHORTAGE;
2827 count = sdev->freeze;
2828 sdev->freeze = 0;
2829 xpt_release_devq(sdev->path, count, TRUE);
2830 }
2831}
2832
2833static void
2834sbp_abort_ocb(struct sbp_ocb *ocb, int status)
2835{
2836 struct sbp_dev *sdev;
2837
2838 sdev = ocb->sdev;
2839SBP_DEBUG(0)
2840 sbp_show_sdev_info(sdev, 2);
2841#if defined(__DragonFly__) || __FreeBSD_version < 500000
2842 printf("sbp_abort_ocb 0x%x\n", ocb->bus_addr);
2843#else
2844 printf("sbp_abort_ocb 0x%jx\n", (uintmax_t)ocb->bus_addr);
2845#endif
2846END_DEBUG
2847SBP_DEBUG(1)
2848 if (ocb->ccb != NULL)
2849 sbp_print_scsi_cmd(ocb);
2850END_DEBUG
2851 if (ntohl(ocb->orb[4]) & 0xffff) {
2852 bus_dmamap_sync(sdev->target->sbp->dmat, ocb->dmamap,
2853 (ntohl(ocb->orb[4]) & ORB_CMD_IN) ?
2854 BUS_DMASYNC_POSTREAD : BUS_DMASYNC_POSTWRITE);
2855 bus_dmamap_unload(sdev->target->sbp->dmat, ocb->dmamap);
2856 }
2857 if (ocb->ccb != NULL) {
2858 untimeout(sbp_timeout, (caddr_t)ocb,
2859 ocb->ccb->ccb_h.timeout_ch);
2860 ocb->ccb->ccb_h.status = status;
2861 xpt_done(ocb->ccb);
2862 }
2863 sbp_free_ocb(sdev, ocb);
2864}
2865
2866static void
2867sbp_abort_all_ocbs(struct sbp_dev *sdev, int status)
2868{
2869 int s;
2870 struct sbp_ocb *ocb, *next;
2871 STAILQ_HEAD(, sbp_ocb) temp;
2872
2873 s = splfw();
2874
2875 bcopy(&sdev->ocbs, &temp, sizeof(temp));
2876 STAILQ_INIT(&sdev->ocbs);
2877 for (ocb = STAILQ_FIRST(&temp); ocb != NULL; ocb = next) {
2878 next = STAILQ_NEXT(ocb, ocb);
2879 sbp_abort_ocb(ocb, status);
2880 }
2881 if (sdev->last_ocb != NULL) {
2882 sbp_free_ocb(sdev, sdev->last_ocb);
2883 sdev->last_ocb = NULL;
2884 }
2885
2886 splx(s);
2887}
2888
2889static devclass_t sbp_devclass;
2890
2891static device_method_t sbp_methods[] = {
2892 /* device interface */
2893 DEVMETHOD(device_identify, sbp_identify),
2894 DEVMETHOD(device_probe, sbp_probe),
2895 DEVMETHOD(device_attach, sbp_attach),
2896 DEVMETHOD(device_detach, sbp_detach),
2897 DEVMETHOD(device_shutdown, sbp_shutdown),
2898
2899 { 0, 0 }
2900};
2901
2902static driver_t sbp_driver = {
2903 "sbp",
2904 sbp_methods,
2905 sizeof(struct sbp_softc),
2906};
2907#ifdef __DragonFly__
2908DECLARE_DUMMY_MODULE(sbp);
2909#endif
2910DRIVER_MODULE(sbp, firewire, sbp_driver, sbp_devclass, 0, 0);
2911MODULE_VERSION(sbp, 1);
2912MODULE_DEPEND(sbp, firewire, 1, 1, 1);
2913MODULE_DEPEND(sbp, cam, 1, 1, 1);
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