?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
Rename sprintf -> ksprintf
[dfdiff.git] / sys / dev / disk / sbp / sbp.c
blobdd84c9f142bf9ec39f66fe66d5dc713c8d118039
1 /*
2 * Copyright (c) 2003 Hidetoshi Shimokawa
3 * Copyright (c) 1998-2002 Katsushi Kobayashi and Hidetoshi Shimokawa
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. All advertising materials mentioning features or use of this software
15 * must display the acknowledgement as bellow:
16 *
17 * This product includes software developed by K. Kobayashi and H. Shimokawa
18 *
19 * 4. The name of the author may not be used to endorse or promote products
20 * derived from this software without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
24 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
25 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
26 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
27 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
28 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
30 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
31 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
32 * POSSIBILITY OF SUCH DAMAGE.
33 *
34 * $FreeBSD: src/sys/dev/firewire/sbp.c,v 1.74 2004/01/08 14:58:09 simokawa Exp $
35 * $DragonFly: src/sys/dev/disk/sbp/sbp.c,v 1.21 2006/12/20 18:14:39 dillon Exp $
36 *
37 */
38
39 #include <sys/param.h>
40 #include <sys/systm.h>
41 #include <sys/conf.h>
42 #include <sys/module.h>
43 #include <sys/bus.h>
44 #include <sys/kernel.h>
45 #include <sys/sysctl.h>
46 #include <sys/malloc.h>
47
48 #include <sys/devicestat.h> /* for struct devstat */
49 #include <sys/thread2.h>
50
51 #include <bus/cam/cam.h>
52 #include <bus/cam/cam_ccb.h>
53 #include <bus/cam/cam_sim.h>
54 #include <bus/cam/cam_xpt_sim.h>
55 #include <bus/cam/cam_debug.h>
56 #include <bus/cam/cam_periph.h>
57 #include <bus/cam/scsi/scsi_all.h>
58
59 #include <bus/firewire/firewire.h>
60 #include <bus/firewire/firewirereg.h>
61 #include <bus/firewire/fwdma.h>
62 #include <bus/firewire/iec13213.h>
63 #include "sbp.h"
64
65 #define ccb_sdev_ptr spriv_ptr0
66 #define ccb_sbp_ptr spriv_ptr1
67
68 #define SBP_NUM_TARGETS 8 /* MAX 64 */
69 /*
70 * Scan_bus doesn't work for more than 8 LUNs
71 * because of CAM_SCSI2_MAXLUN in cam_xpt.c
72 */
73 #define SBP_NUM_LUNS 64
74 #define SBP_DMA_SIZE PAGE_SIZE
75 #define SBP_LOGIN_SIZE sizeof(struct sbp_login_res)
76 #define SBP_QUEUE_LEN ((SBP_DMA_SIZE - SBP_LOGIN_SIZE) / sizeof(struct sbp_ocb))
77 #define SBP_NUM_OCB (SBP_QUEUE_LEN * SBP_NUM_TARGETS)
78
79 /*
80 * STATUS FIFO addressing
81 * bit
82 * -----------------------
83 * 0- 1( 2): 0 (alingment)
84 * 2- 7( 6): target
85 * 8-15( 8): lun
86 * 16-31( 8): reserved
87 * 32-47(16): SBP_BIND_HI
88 * 48-64(16): bus_id, node_id
89 */
90 #define SBP_BIND_HI 0x1
91 #define SBP_DEV2ADDR(t, l) \
92 (((u_int64_t)SBP_BIND_HI << 32) \
93 | (((l) & 0xff) << 8) \
94 | (((t) & 0x3f) << 2))
95 #define SBP_ADDR2TRG(a) (((a) >> 2) & 0x3f)
96 #define SBP_ADDR2LUN(a) (((a) >> 8) & 0xff)
97 #define SBP_INITIATOR 7
98
99 static char *orb_fun_name[] = {
100 ORB_FUN_NAMES
101 };
102
103 static int debug = 0;
104 static int auto_login = 1;
105 static int max_speed = -1;
106 static int sbp_cold = 1;
107 static int ex_login = 1;
108 static int login_delay = 1000; /* msec */
109 static int scan_delay = 500; /* msec */
110 static int sbp_tags = 0;
111
112 SYSCTL_DECL(_hw_firewire);
113 SYSCTL_NODE(_hw_firewire, OID_AUTO, sbp, CTLFLAG_RD, 0, "SBP-II Subsystem");
114 SYSCTL_INT(_debug, OID_AUTO, sbp_debug, CTLFLAG_RW, &debug, 0,
115 "SBP debug flag");
116 SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, auto_login, CTLFLAG_RW, &auto_login, 0,
117 "SBP perform login automatically");
118 SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, max_speed, CTLFLAG_RW, &max_speed, 0,
119 "SBP transfer max speed");
120 SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, exclusive_login, CTLFLAG_RW,
121 &ex_login, 0, "SBP transfer max speed");
122 SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, login_delay, CTLFLAG_RW,
123 &login_delay, 0, "SBP login delay in msec");
124 SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, scan_delay, CTLFLAG_RW,
125 &scan_delay, 0, "SBP scan delay in msec");
126 SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, tags, CTLFLAG_RW, &sbp_tags, 0,
127 "SBP tagged queuing support");
128
129 TUNABLE_INT("hw.firewire.sbp.auto_login", &auto_login);
130 TUNABLE_INT("hw.firewire.sbp.max_speed", &max_speed);
131 TUNABLE_INT("hw.firewire.sbp.exclusive_login", &ex_login);
132 TUNABLE_INT("hw.firewire.sbp.login_delay", &login_delay);
133 TUNABLE_INT("hw.firewire.sbp.scan_delay", &scan_delay);
134 TUNABLE_INT("hw.firewire.sbp.tags", &sbp_tags);
135
136 #define NEED_RESPONSE 0
137
138 #define SBP_SEG_MAX rounddown(0xffff, PAGE_SIZE)
139 #ifdef __sparc64__ /* iommu */
140 #define SBP_IND_MAX howmany(MAXPHYS, SBP_SEG_MAX)
141 #else
142 #define SBP_IND_MAX howmany(MAXPHYS, PAGE_SIZE)
143 #endif
144 struct sbp_ocb {
145 STAILQ_ENTRY(sbp_ocb) ocb;
146 union ccb *ccb;
147 bus_addr_t bus_addr;
148 u_int32_t orb[8];
149 #define IND_PTR_OFFSET (8*sizeof(u_int32_t))
150 struct ind_ptr ind_ptr[SBP_IND_MAX];
151 struct sbp_dev *sdev;
152 int flags; /* XXX should be removed */
153 bus_dmamap_t dmamap;
154 };
155
156 #define OCB_ACT_MGM 0
157 #define OCB_ACT_CMD 1
158 #define OCB_MATCH(o,s) ((o)->bus_addr == ntohl((s)->orb_lo))
159
160 struct sbp_dev{
161 #define SBP_DEV_RESET 0 /* accept login */
162 #define SBP_DEV_LOGIN 1 /* to login */
163 #if 0
164 #define SBP_DEV_RECONN 2 /* to reconnect */
165 #endif
166 #define SBP_DEV_TOATTACH 3 /* to attach */
167 #define SBP_DEV_PROBE 4 /* scan lun */
168 #define SBP_DEV_ATTACHED 5 /* in operation */
169 #define SBP_DEV_DEAD 6 /* unavailable unit */
170 #define SBP_DEV_RETRY 7 /* unavailable unit */
171 u_int8_t status:4,
172 timeout:4;
173 u_int8_t type;
174 u_int16_t lun_id;
175 u_int16_t freeze;
176 #define ORB_LINK_DEAD (1 << 0)
177 #define VALID_LUN (1 << 1)
178 #define ORB_POINTER_ACTIVE (1 << 2)
179 #define ORB_POINTER_NEED (1 << 3)
180 u_int16_t flags;
181 struct cam_path *path;
182 struct sbp_target *target;
183 struct fwdma_alloc dma;
184 struct sbp_login_res *login;
185 struct callout login_callout;
186 struct sbp_ocb *ocb;
187 STAILQ_HEAD(, sbp_ocb) ocbs;
188 STAILQ_HEAD(, sbp_ocb) free_ocbs;
189 char vendor[32];
190 char product[32];
191 char revision[10];
192 };
193
194 struct sbp_target {
195 int target_id;
196 int num_lun;
197 struct sbp_dev **luns;
198 struct sbp_softc *sbp;
199 struct fw_device *fwdev;
200 u_int32_t mgm_hi, mgm_lo;
201 struct sbp_ocb *mgm_ocb_cur;
202 STAILQ_HEAD(, sbp_ocb) mgm_ocb_queue;
203 struct callout mgm_ocb_timeout;
204 struct callout scan_callout;
205 STAILQ_HEAD(, fw_xfer) xferlist;
206 int n_xfer;
207 };
208
209 struct sbp_softc {
210 struct firewire_dev_comm fd;
211 struct cam_sim *sim;
212 struct cam_path *path;
213 struct sbp_target targets[SBP_NUM_TARGETS];
214 struct fw_bind fwb;
215 bus_dma_tag_t dmat;
216 struct timeval last_busreset;
217 #define SIMQ_FREEZED 1
218 int flags;
219 };
220
221 static void sbp_post_explore (void *);
222 static void sbp_recv (struct fw_xfer *);
223 static void sbp_mgm_callback (struct fw_xfer *);
224 #if 0
225 static void sbp_cmd_callback (struct fw_xfer *);
226 #endif
227 static void sbp_orb_pointer (struct sbp_dev *, struct sbp_ocb *);
228 static void sbp_execute_ocb (void *, bus_dma_segment_t *, int, int);
229 static void sbp_free_ocb (struct sbp_dev *, struct sbp_ocb *);
230 static void sbp_abort_ocb (struct sbp_ocb *, int);
231 static void sbp_abort_all_ocbs (struct sbp_dev *, int);
232 static struct fw_xfer * sbp_write_cmd (struct sbp_dev *, int, int);
233 static struct sbp_ocb * sbp_get_ocb (struct sbp_dev *);
234 static struct sbp_ocb * sbp_enqueue_ocb (struct sbp_dev *, struct sbp_ocb *);
235 static struct sbp_ocb * sbp_dequeue_ocb (struct sbp_dev *, struct sbp_status *);
236 static void sbp_cam_detach_sdev(struct sbp_dev *);
237 static void sbp_free_sdev(struct sbp_dev *);
238 static void sbp_cam_detach_target (struct sbp_target *);
239 static void sbp_free_target (struct sbp_target *);
240 static void sbp_mgm_timeout (void *arg);
241 static void sbp_timeout (void *arg);
242 static void sbp_mgm_orb (struct sbp_dev *, int, struct sbp_ocb *);
243
244 MALLOC_DEFINE(M_SBP, "sbp", "SBP-II/FireWire");
245
246 /* cam related functions */
247 static void sbp_action(struct cam_sim *sim, union ccb *ccb);
248 static void sbp_poll(struct cam_sim *sim);
249 static void sbp_cam_scan_lun(struct cam_periph *, union ccb *);
250 static void sbp_cam_scan_target(void *arg);
251
252 static char *orb_status0[] = {
253 /* 0 */ "No additional information to report",
254 /* 1 */ "Request type not supported",
255 /* 2 */ "Speed not supported",
256 /* 3 */ "Page size not supported",
257 /* 4 */ "Access denied",
258 /* 5 */ "Logical unit not supported",
259 /* 6 */ "Maximum payload too small",
260 /* 7 */ "Reserved for future standardization",
261 /* 8 */ "Resources unavailable",
262 /* 9 */ "Function rejected",
263 /* A */ "Login ID not recognized",
264 /* B */ "Dummy ORB completed",
265 /* C */ "Request aborted",
266 /* FF */ "Unspecified error"
267 #define MAX_ORB_STATUS0 0xd
268 };
269
270 static char *orb_status1_object[] = {
271 /* 0 */ "Operation request block (ORB)",
272 /* 1 */ "Data buffer",
273 /* 2 */ "Page table",
274 /* 3 */ "Unable to specify"
275 };
276
277 static char *orb_status1_serial_bus_error[] = {
278 /* 0 */ "Missing acknowledge",
279 /* 1 */ "Reserved; not to be used",
280 /* 2 */ "Time-out error",
281 /* 3 */ "Reserved; not to be used",
282 /* 4 */ "Busy retry limit exceeded(X)",
283 /* 5 */ "Busy retry limit exceeded(A)",
284 /* 6 */ "Busy retry limit exceeded(B)",
285 /* 7 */ "Reserved for future standardization",
286 /* 8 */ "Reserved for future standardization",
287 /* 9 */ "Reserved for future standardization",
288 /* A */ "Reserved for future standardization",
289 /* B */ "Tardy retry limit exceeded",
290 /* C */ "Conflict error",
291 /* D */ "Data error",
292 /* E */ "Type error",
293 /* F */ "Address error"
294 };
295
296 /*
297 * sbp_probe()
298 */
299 static int
300 sbp_probe(device_t dev)
301 {
302 device_t pa;
303
304 SBP_DEBUG(0)
305 printf("sbp_probe\n");
306 END_DEBUG
307
308 pa = device_get_parent(dev);
309 if(device_get_unit(dev) != device_get_unit(pa)){
310 return(ENXIO);
311 }
312
313 device_set_desc(dev, "SBP-2/SCSI over FireWire");
314
315 if (bootverbose)
316 debug = bootverbose;
317 return (0);
318 }
319
320 static void
321 sbp_show_sdev_info(struct sbp_dev *sdev, int new)
322 {
323 struct fw_device *fwdev;
324
325 printf("%s:%d:%d ",
326 device_get_nameunit(sdev->target->sbp->fd.dev),
327 sdev->target->target_id,
328 sdev->lun_id
329 );
330 if (new == 2) {
331 return;
332 }
333 fwdev = sdev->target->fwdev;
334 printf("ordered:%d type:%d EUI:%08x%08x node:%d "
335 "speed:%d maxrec:%d",
336 (sdev->type & 0x40) >> 6,
337 (sdev->type & 0x1f),
338 fwdev->eui.hi,
339 fwdev->eui.lo,
340 fwdev->dst,
341 fwdev->speed,
342 fwdev->maxrec
343 );
344 if (new)
345 printf(" new!\n");
346 else
347 printf("\n");
348 sbp_show_sdev_info(sdev, 2);
349 printf("'%s' '%s' '%s'\n", sdev->vendor, sdev->product, sdev->revision);
350 }
351
352 static struct {
353 int bus;
354 int target;
355 struct fw_eui64 eui;
356 } wired[] = {
357 /* Bus Target EUI64 */
358 #if 0
359 {0, 2, {0x00018ea0, 0x01fd0154}}, /* Logitec HDD */
360 {0, 0, {0x00018ea6, 0x00100682}}, /* Logitec DVD */
361 {0, 1, {0x00d03200, 0xa412006a}}, /* Yano HDD */
362 #endif
363 {-1, -1, {0,0}}
364 };
365
366 static int
367 sbp_new_target(struct sbp_softc *sbp, struct fw_device *fwdev)
368 {
369 int bus, i, target=-1;
370 char w[SBP_NUM_TARGETS];
371
372 bzero(w, sizeof(w));
373 bus = device_get_unit(sbp->fd.dev);
374
375 /* XXX wired-down configuration should be gotten from
376 tunable or device hint */
377 for (i = 0; wired[i].bus >= 0; i ++) {
378 if (wired[i].bus == bus) {
379 w[wired[i].target] = 1;
380 if (wired[i].eui.hi == fwdev->eui.hi &&
381 wired[i].eui.lo == fwdev->eui.lo)
382 target = wired[i].target;
383 }
384 }
385 if (target >= 0) {
386 if(target < SBP_NUM_TARGETS &&
387 sbp->targets[target].fwdev == NULL)
388 return(target);
389 device_printf(sbp->fd.dev,
390 "target %d is not free for %08x:%08x\n",
391 target, fwdev->eui.hi, fwdev->eui.lo);
392 target = -1;
393 }
394 /* non-wired target */
395 for (i = 0; i < SBP_NUM_TARGETS; i ++)
396 if (sbp->targets[i].fwdev == NULL && w[i] == 0) {
397 target = i;
398 break;
399 }
400
401 return target;
402 }
403
404 static void
405 sbp_alloc_lun(struct sbp_target *target)
406 {
407 struct crom_context cc;
408 struct csrreg *reg;
409 struct sbp_dev *sdev, **newluns;
410 struct sbp_softc *sbp;
411 int maxlun, lun, i;
412
413 sbp = target->sbp;
414 crom_init_context(&cc, target->fwdev->csrrom);
415 /* XXX shoud parse appropriate unit directories only */
416 maxlun = -1;
417 while (cc.depth >= 0) {
418 reg = crom_search_key(&cc, CROM_LUN);
419 if (reg == NULL)
420 break;
421 lun = reg->val & 0xffff;
422 SBP_DEBUG(0)
423 printf("target %d lun %d found\n", target->target_id, lun);
424 END_DEBUG
425 if (maxlun < lun)
426 maxlun = lun;
427 crom_next(&cc);
428 }
429 if (maxlun < 0)
430 printf("%s:%d no LUN found\n",
431 device_get_nameunit(target->sbp->fd.dev),
432 target->target_id);
433
434 maxlun ++;
435 if (maxlun >= SBP_NUM_LUNS)
436 maxlun = SBP_NUM_LUNS;
437
438 /* Invalidiate stale devices */
439 for (lun = 0; lun < target->num_lun; lun ++) {
440 sdev = target->luns[lun];
441 if (sdev == NULL)
442 continue;
443 sdev->flags &= ~VALID_LUN;
444 if (lun >= maxlun) {
445 /* lost device */
446 sbp_cam_detach_sdev(sdev);
447 sbp_free_sdev(sdev);
448 }
449 }
450
451 /* Reallocate */
452 if (maxlun != target->num_lun) {
453 /*
454 * note: krealloc() does not support M_ZERO. We must zero
455 * the extended region manually.
456 */
457 newluns = krealloc(target->luns,
458 sizeof(struct sbp_dev *) * maxlun,
459 M_SBP, M_WAITOK);
460
461 if (maxlun > target->num_lun) {
462 bzero(&newluns[target->num_lun],
463 sizeof(struct sbp_dev *) *
464 (maxlun - target->num_lun));
465 }
466 target->luns = newluns;
467 target->num_lun = maxlun;
468 }
469
470 crom_init_context(&cc, target->fwdev->csrrom);
471 while (cc.depth >= 0) {
472 int new = 0;
473
474 reg = crom_search_key(&cc, CROM_LUN);
475 if (reg == NULL)
476 break;
477 lun = reg->val & 0xffff;
478 if (lun >= SBP_NUM_LUNS) {
479 printf("too large lun %d\n", lun);
480 goto next;
481 }
482
483 sdev = target->luns[lun];
484 if (sdev == NULL) {
485 sdev = kmalloc(sizeof(struct sbp_dev),
486 M_SBP, M_WAITOK | M_ZERO);
487 target->luns[lun] = sdev;
488 sdev->lun_id = lun;
489 sdev->target = target;
490 STAILQ_INIT(&sdev->ocbs);
491 CALLOUT_INIT(&sdev->login_callout);
492 sdev->status = SBP_DEV_RESET;
493 new = 1;
494 }
495 sdev->flags |= VALID_LUN;
496 sdev->type = (reg->val & 0xff0000) >> 16;
497
498 if (new == 0)
499 goto next;
500
501 fwdma_malloc(sbp->fd.fc,
502 /* alignment */ sizeof(u_int32_t),
503 SBP_DMA_SIZE, &sdev->dma, BUS_DMA_NOWAIT);
504 if (sdev->dma.v_addr == NULL) {
505 printf("%s: dma space allocation failed\n",
506 __func__);
507 kfree(sdev, M_SBP);
508 target->luns[lun] = NULL;
509 goto next;
510 }
511 sdev->login = (struct sbp_login_res *) sdev->dma.v_addr;
512 sdev->ocb = (struct sbp_ocb *)
513 ((char *)sdev->dma.v_addr + SBP_LOGIN_SIZE);
514 bzero((char *)sdev->ocb,
515 sizeof (struct sbp_ocb) * SBP_QUEUE_LEN);
516
517 STAILQ_INIT(&sdev->free_ocbs);
518 for (i = 0; i < SBP_QUEUE_LEN; i++) {
519 struct sbp_ocb *ocb;
520 ocb = &sdev->ocb[i];
521 ocb->bus_addr = sdev->dma.bus_addr
522 + SBP_LOGIN_SIZE
523 + sizeof(struct sbp_ocb) * i
524 + offsetof(struct sbp_ocb, orb[0]);
525 if (bus_dmamap_create(sbp->dmat, 0, &ocb->dmamap)) {
526 printf("sbp_attach: cannot create dmamap\n");
527 /* XXX */
528 goto next;
529 }
530 sbp_free_ocb(sdev, ocb);
531 }
532 next:
533 crom_next(&cc);
534 }
535
536 for (lun = 0; lun < target->num_lun; lun ++) {
537 sdev = target->luns[lun];
538 if (sdev != NULL && (sdev->flags & VALID_LUN) == 0) {
539 sbp_cam_detach_sdev(sdev);
540 sbp_free_sdev(sdev);
541 target->luns[lun] = NULL;
542 }
543 }
544 }
545
546 static struct sbp_target *
547 sbp_alloc_target(struct sbp_softc *sbp, struct fw_device *fwdev)
548 {
549 int i;
550 struct sbp_target *target;
551 struct crom_context cc;
552 struct csrreg *reg;
553
554 SBP_DEBUG(1)
555 printf("sbp_alloc_target\n");
556 END_DEBUG
557 i = sbp_new_target(sbp, fwdev);
558 if (i < 0) {
559 device_printf(sbp->fd.dev, "increase SBP_NUM_TARGETS!\n");
560 return NULL;
561 }
562 /* new target */
563 target = &sbp->targets[i];
564 target->sbp = sbp;
565 target->fwdev = fwdev;
566 target->target_id = i;
567 /* XXX we may want to reload mgm port after each bus reset */
568 /* XXX there might be multiple management agents */
569 crom_init_context(&cc, target->fwdev->csrrom);
570 reg = crom_search_key(&cc, CROM_MGM);
571 if (reg == NULL || reg->val == 0) {
572 printf("NULL management address\n");
573 target->fwdev = NULL;
574 return NULL;
575 }
576 target->mgm_hi = 0xffff;
577 target->mgm_lo = 0xf0000000 | (reg->val << 2);
578 target->mgm_ocb_cur = NULL;
579 SBP_DEBUG(1)
580 printf("target:%d mgm_port: %x\n", i, target->mgm_lo);
581 END_DEBUG
582 STAILQ_INIT(&target->xferlist);
583 target->n_xfer = 0;
584 STAILQ_INIT(&target->mgm_ocb_queue);
585 CALLOUT_INIT(&target->mgm_ocb_timeout);
586 CALLOUT_INIT(&target->scan_callout);
587
588 target->luns = NULL;
589 target->num_lun = 0;
590 return target;
591 }
592
593 static void
594 sbp_probe_lun(struct sbp_dev *sdev)
595 {
596 struct fw_device *fwdev;
597 struct crom_context c, *cc = &c;
598 struct csrreg *reg;
599
600 bzero(sdev->vendor, sizeof(sdev->vendor));
601 bzero(sdev->product, sizeof(sdev->product));
602
603 fwdev = sdev->target->fwdev;
604 crom_init_context(cc, fwdev->csrrom);
605 /* get vendor string */
606 crom_search_key(cc, CSRKEY_VENDOR);
607 crom_next(cc);
608 crom_parse_text(cc, sdev->vendor, sizeof(sdev->vendor));
609 /* skip to the unit directory for SBP-2 */
610 while ((reg = crom_search_key(cc, CSRKEY_VER)) != NULL) {
611 if (reg->val == CSRVAL_T10SBP2)
612 break;
613 crom_next(cc);
614 }
615 /* get firmware revision */
616 reg = crom_search_key(cc, CSRKEY_FIRM_VER);
617 if (reg != NULL)
618 ksnprintf(sdev->revision, sizeof(sdev->revision),
619 "%06x", reg->val);
620 /* get product string */
621 crom_search_key(cc, CSRKEY_MODEL);
622 crom_next(cc);
623 crom_parse_text(cc, sdev->product, sizeof(sdev->product));
624 }
625
626 static void
627 sbp_login_callout(void *arg)
628 {
629 struct sbp_dev *sdev = (struct sbp_dev *)arg;
630 sbp_mgm_orb(sdev, ORB_FUN_LGI, NULL);
631 }
632
633 static void
634 sbp_login(struct sbp_dev *sdev)
635 {
636 struct timeval delta;
637 struct timeval t;
638 int ticks = 0;
639
640 microtime(&delta);
641 timevalsub(&delta, &sdev->target->sbp->last_busreset);
642 t.tv_sec = login_delay / 1000;
643 t.tv_usec = (login_delay % 1000) * 1000;
644 timevalsub(&t, &delta);
645 if (t.tv_sec >= 0 && t.tv_usec > 0)
646 ticks = (t.tv_sec * 1000 + t.tv_usec / 1000) * hz / 1000;
647 SBP_DEBUG(0)
648 printf("%s: sec = %ld usec = %ld ticks = %d\n", __func__,
649 t.tv_sec, t.tv_usec, ticks);
650 END_DEBUG
651 callout_reset(&sdev->login_callout, ticks,
652 sbp_login_callout, (void *)(sdev));
653 }
654
655 #define SBP_FWDEV_ALIVE(fwdev) (((fwdev)->status == FWDEVATTACHED) \
656 && crom_has_specver((fwdev)->csrrom, CSRVAL_ANSIT10, CSRVAL_T10SBP2))
657
658 static void
659 sbp_probe_target(void *arg)
660 {
661 struct sbp_target *target = (struct sbp_target *)arg;
662 struct sbp_softc *sbp;
663 struct sbp_dev *sdev;
664 struct firewire_comm *fc;
665 int i, alive;
666
667 alive = SBP_FWDEV_ALIVE(target->fwdev);
668 SBP_DEBUG(1)
669 printf("sbp_probe_target %d\n", target->target_id);
670 if (!alive)
671 printf("not alive\n");
672 END_DEBUG
673
674 sbp = target->sbp;
675 fc = target->sbp->fd.fc;
676 sbp_alloc_lun(target);
677
678 /* XXX untimeout mgm_ocb and dequeue */
679 for (i=0; i < target->num_lun; i++) {
680 sdev = target->luns[i];
681 if (sdev == NULL)
682 continue;
683 if (alive && (sdev->status != SBP_DEV_DEAD)) {
684 if (sdev->path != NULL) {
685 xpt_freeze_devq(sdev->path, 1);
686 sdev->freeze ++;
687 }
688 sbp_probe_lun(sdev);
689 SBP_DEBUG(0)
690 sbp_show_sdev_info(sdev,
691 (sdev->status == SBP_DEV_RESET));
692 END_DEBUG
693
694 sbp_abort_all_ocbs(sdev, CAM_SCSI_BUS_RESET);
695 switch (sdev->status) {
696 case SBP_DEV_RESET:
697 /* new or revived target */
698 if (auto_login)
699 sbp_login(sdev);
700 break;
701 case SBP_DEV_TOATTACH:
702 case SBP_DEV_PROBE:
703 case SBP_DEV_ATTACHED:
704 case SBP_DEV_RETRY:
705 default:
706 sbp_mgm_orb(sdev, ORB_FUN_RCN, NULL);
707 break;
708 }
709 } else {
710 switch (sdev->status) {
711 case SBP_DEV_ATTACHED:
712 SBP_DEBUG(0)
713 /* the device has gone */
714 sbp_show_sdev_info(sdev, 2);
715 printf("lost target\n");
716 END_DEBUG
717 if (sdev->path) {
718 xpt_freeze_devq(sdev->path, 1);
719 sdev->freeze ++;
720 }
721 sdev->status = SBP_DEV_RETRY;
722 sbp_abort_all_ocbs(sdev, CAM_SCSI_BUS_RESET);
723 break;
724 case SBP_DEV_PROBE:
725 case SBP_DEV_TOATTACH:
726 sdev->status = SBP_DEV_RESET;
727 break;
728 case SBP_DEV_RETRY:
729 case SBP_DEV_RESET:
730 case SBP_DEV_DEAD:
731 break;
732 }
733 }
734 }
735 }
736
737 static void
738 sbp_post_busreset(void *arg)
739 {
740 struct sbp_softc *sbp;
741
742 sbp = (struct sbp_softc *)arg;
743 SBP_DEBUG(0)
744 printf("sbp_post_busreset\n");
745 END_DEBUG
746 if ((sbp->sim->flags & SIMQ_FREEZED) == 0) {
747 xpt_freeze_simq(sbp->sim, /*count*/1);
748 sbp->sim->flags |= SIMQ_FREEZED;
749 }
750 microtime(&sbp->last_busreset);
751 }
752
753 static void
754 sbp_post_explore(void *arg)
755 {
756 struct sbp_softc *sbp = (struct sbp_softc *)arg;
757 struct sbp_target *target;
758 struct fw_device *fwdev;
759 int i, alive;
760
761 SBP_DEBUG(0)
762 printf("sbp_post_explore (sbp_cold=%d)\n", sbp_cold);
763 END_DEBUG
764 if (sbp_cold > 0)
765 sbp_cold --;
766
767 #if 0
768 /*
769 * XXX don't let CAM the bus rest.
770 * CAM tries to do something with freezed (DEV_RETRY) devices.
771 */
772 xpt_async(AC_BUS_RESET, sbp->path, /*arg*/ NULL);
773 #endif
774
775 /* Gabage Collection */
776 for(i = 0 ; i < SBP_NUM_TARGETS ; i ++){
777 target = &sbp->targets[i];
778 STAILQ_FOREACH(fwdev, &sbp->fd.fc->devices, link)
779 if (target->fwdev == NULL || target->fwdev == fwdev)
780 break;
781 if (fwdev == NULL) {
782 /* device has removed in lower driver */
783 sbp_cam_detach_target(target);
784 sbp_free_target(target);
785 }
786 }
787 /* traverse device list */
788 STAILQ_FOREACH(fwdev, &sbp->fd.fc->devices, link) {
789 SBP_DEBUG(0)
790 printf("sbp_post_explore: EUI:%08x%08x ",
791 fwdev->eui.hi, fwdev->eui.lo);
792 if (fwdev->status != FWDEVATTACHED)
793 printf("not attached, state=%d.\n", fwdev->status);
794 else
795 printf("attached\n");
796 END_DEBUG
797 alive = SBP_FWDEV_ALIVE(fwdev);
798 for(i = 0 ; i < SBP_NUM_TARGETS ; i ++){
799 target = &sbp->targets[i];
800 if(target->fwdev == fwdev ) {
801 /* known target */
802 break;
803 }
804 }
805 if(i == SBP_NUM_TARGETS){
806 if (alive) {
807 /* new target */
808 target = sbp_alloc_target(sbp, fwdev);
809 if (target == NULL)
810 continue;
811 } else {
812 continue;
813 }
814 }
815 sbp_probe_target((void *)target);
816 if (target->num_lun == 0)
817 sbp_free_target(target);
818 }
819 xpt_release_simq(sbp->sim, /*run queue*/TRUE);
820 sbp->sim->flags &= ~SIMQ_FREEZED;
821 }
822
823 #if NEED_RESPONSE
824 static void
825 sbp_loginres_callback(struct fw_xfer *xfer){
826 struct sbp_dev *sdev;
827 sdev = (struct sbp_dev *)xfer->sc;
828 SBP_DEBUG(1)
829 sbp_show_sdev_info(sdev, 2);
830 printf("sbp_loginres_callback\n");
831 END_DEBUG
832 /* recycle */
833 crit_enter();
834 STAILQ_INSERT_TAIL(&sdev->target->sbp->fwb.xferlist, xfer, link);
835 crit_exit();
836 return;
837 }
838 #endif
839
840 static __inline void
841 sbp_xfer_free(struct fw_xfer *xfer)
842 {
843 struct sbp_dev *sdev;
844
845 sdev = (struct sbp_dev *)xfer->sc;
846 fw_xfer_unload(xfer);
847 crit_enter();
848 STAILQ_INSERT_TAIL(&sdev->target->xferlist, xfer, link);
849 crit_exit();
850 }
851
852 static void
853 sbp_reset_start_callback(struct fw_xfer *xfer)
854 {
855 struct sbp_dev *tsdev, *sdev = (struct sbp_dev *)xfer->sc;
856 struct sbp_target *target = sdev->target;
857 int i;
858
859 if (xfer->resp != 0) {
860 sbp_show_sdev_info(sdev, 2);
861 printf("sbp_reset_start failed: resp=%d\n", xfer->resp);
862 }
863
864 for (i = 0; i < target->num_lun; i++) {
865 tsdev = target->luns[i];
866 if (tsdev != NULL && tsdev->status == SBP_DEV_LOGIN)
867 sbp_login(tsdev);
868 }
869 }
870
871 static void
872 sbp_reset_start(struct sbp_dev *sdev)
873 {
874 struct fw_xfer *xfer;
875 struct fw_pkt *fp;
876
877 SBP_DEBUG(0)
878 sbp_show_sdev_info(sdev, 2);
879 printf("sbp_reset_start\n");
880 END_DEBUG
881
882 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0);
883 xfer->act.hand = sbp_reset_start_callback;
884 fp = &xfer->send.hdr;
885 fp->mode.wreqq.dest_hi = 0xffff;
886 fp->mode.wreqq.dest_lo = 0xf0000000 | RESET_START;
887 fp->mode.wreqq.data = htonl(0xf);
888 fw_asyreq(xfer->fc, -1, xfer);
889 }
890
891 static void
892 sbp_mgm_callback(struct fw_xfer *xfer)
893 {
894 struct sbp_dev *sdev;
895 int resp;
896
897 sdev = (struct sbp_dev *)xfer->sc;
898
899 SBP_DEBUG(1)
900 sbp_show_sdev_info(sdev, 2);
901 printf("sbp_mgm_callback\n");
902 END_DEBUG
903 resp = xfer->resp;
904 sbp_xfer_free(xfer);
905 #if 0
906 if (resp != 0) {
907 sbp_show_sdev_info(sdev, 2);
908 printf("management ORB failed(%d) ... RESET_START\n", resp);
909 sbp_reset_start(sdev);
910 }
911 #endif
912 return;
913 }
914
915 static struct sbp_dev *
916 sbp_next_dev(struct sbp_target *target, int lun)
917 {
918 struct sbp_dev **sdevp;
919 int i;
920
921 for (i = lun, sdevp = &target->luns[lun]; i < target->num_lun;
922 i++, sdevp++)
923 if (*sdevp != NULL && (*sdevp)->status == SBP_DEV_PROBE)
924 return(*sdevp);
925 return(NULL);
926 }
927
928 #define SCAN_PRI 1
929 static void
930 sbp_cam_scan_lun(struct cam_periph *periph, union ccb *ccb)
931 {
932 struct sbp_target *target;
933 struct sbp_dev *sdev;
934
935 sdev = (struct sbp_dev *) ccb->ccb_h.ccb_sdev_ptr;
936 target = sdev->target;
937 SBP_DEBUG(0)
938 sbp_show_sdev_info(sdev, 2);
939 printf("sbp_cam_scan_lun\n");
940 END_DEBUG
941 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
942 sdev->status = SBP_DEV_ATTACHED;
943 } else {
944 sbp_show_sdev_info(sdev, 2);
945 printf("scan failed\n");
946 }
947 sdev = sbp_next_dev(target, sdev->lun_id + 1);
948 if (sdev == NULL) {
949 kfree(ccb, M_SBP);
950 return;
951 }
952 /* reuse ccb */
953 xpt_setup_ccb(&ccb->ccb_h, sdev->path, SCAN_PRI);
954 ccb->ccb_h.ccb_sdev_ptr = sdev;
955 xpt_action(ccb);
956 xpt_release_devq(sdev->path, sdev->freeze, TRUE);
957 sdev->freeze = 1;
958 }
959
960 static void
961 sbp_cam_scan_target(void *arg)
962 {
963 struct sbp_target *target = (struct sbp_target *)arg;
964 struct sbp_dev *sdev;
965 union ccb *ccb;
966
967 sdev = sbp_next_dev(target, 0);
968 if (sdev == NULL) {
969 printf("sbp_cam_scan_target: nothing to do for target%d\n",
970 target->target_id);
971 return;
972 }
973 SBP_DEBUG(0)
974 sbp_show_sdev_info(sdev, 2);
975 printf("sbp_cam_scan_target\n");
976 END_DEBUG
977 ccb = kmalloc(sizeof(union ccb), M_SBP, M_WAITOK | M_ZERO);
978 xpt_setup_ccb(&ccb->ccb_h, sdev->path, SCAN_PRI);
979 ccb->ccb_h.func_code = XPT_SCAN_LUN;
980 ccb->ccb_h.cbfcnp = sbp_cam_scan_lun;
981 ccb->ccb_h.flags |= CAM_DEV_QFREEZE;
982 ccb->crcn.flags = CAM_FLAG_NONE;
983 ccb->ccb_h.ccb_sdev_ptr = sdev;
984
985 /* The scan is in progress now. */
986 xpt_action(ccb);
987 xpt_release_devq(sdev->path, sdev->freeze, TRUE);
988 sdev->freeze = 1;
989 }
990
991 static __inline void
992 sbp_scan_dev(struct sbp_dev *sdev)
993 {
994 sdev->status = SBP_DEV_PROBE;
995 callout_reset(&sdev->target->scan_callout, scan_delay * hz / 1000,
996 sbp_cam_scan_target, (void *)sdev->target);
997 }
998
999 static void
1000 sbp_do_attach(struct fw_xfer *xfer)
1001 {
1002 struct sbp_dev *sdev;
1003 struct sbp_target *target;
1004 struct sbp_softc *sbp;
1005
1006 sdev = (struct sbp_dev *)xfer->sc;
1007 target = sdev->target;
1008 sbp = target->sbp;
1009 SBP_DEBUG(0)
1010 sbp_show_sdev_info(sdev, 2);
1011 printf("sbp_do_attach\n");
1012 END_DEBUG
1013 sbp_xfer_free(xfer);
1014
1015 if (sdev->path == NULL)
1016 xpt_create_path(&sdev->path, xpt_periph,
1017 cam_sim_path(target->sbp->sim),
1018 target->target_id, sdev->lun_id);
1019
1020 /*
1021 * Let CAM scan the bus if we are in the boot process.
1022 * XXX xpt_scan_bus cannot detect LUN larger than 0
1023 * if LUN 0 doesn't exists.
1024 */
1025 if (sbp_cold > 0) {
1026 sdev->status = SBP_DEV_ATTACHED;
1027 return;
1028 }
1029
1030 sbp_scan_dev(sdev);
1031 return;
1032 }
1033
1034 static void
1035 sbp_agent_reset_callback(struct fw_xfer *xfer)
1036 {
1037 struct sbp_dev *sdev;
1038
1039 sdev = (struct sbp_dev *)xfer->sc;
1040 SBP_DEBUG(1)
1041 sbp_show_sdev_info(sdev, 2);
1042 printf("%s\n", __func__);
1043 END_DEBUG
1044 if (xfer->resp != 0) {
1045 sbp_show_sdev_info(sdev, 2);
1046 printf("%s: resp=%d\n", __func__, xfer->resp);
1047 }
1048
1049 sbp_xfer_free(xfer);
1050 if (sdev->path) {
1051 xpt_release_devq(sdev->path, sdev->freeze, TRUE);
1052 sdev->freeze = 0;
1053 }
1054 }
1055
1056 static void
1057 sbp_agent_reset(struct sbp_dev *sdev)
1058 {
1059 struct fw_xfer *xfer;
1060 struct fw_pkt *fp;
1061
1062 SBP_DEBUG(0)
1063 sbp_show_sdev_info(sdev, 2);
1064 printf("sbp_agent_reset\n");
1065 END_DEBUG
1066 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0x04);
1067 if (xfer == NULL)
1068 return;
1069 if (sdev->status == SBP_DEV_ATTACHED || sdev->status == SBP_DEV_PROBE)
1070 xfer->act.hand = sbp_agent_reset_callback;
1071 else
1072 xfer->act.hand = sbp_do_attach;
1073 fp = &xfer->send.hdr;
1074 fp->mode.wreqq.data = htonl(0xf);
1075 fw_asyreq(xfer->fc, -1, xfer);
1076 sbp_abort_all_ocbs(sdev, CAM_BDR_SENT);
1077 }
1078
1079 static void
1080 sbp_busy_timeout_callback(struct fw_xfer *xfer)
1081 {
1082 struct sbp_dev *sdev;
1083
1084 sdev = (struct sbp_dev *)xfer->sc;
1085 SBP_DEBUG(1)
1086 sbp_show_sdev_info(sdev, 2);
1087 printf("sbp_busy_timeout_callback\n");
1088 END_DEBUG
1089 sbp_xfer_free(xfer);
1090 sbp_agent_reset(sdev);
1091 }
1092
1093 static void
1094 sbp_busy_timeout(struct sbp_dev *sdev)
1095 {
1096 struct fw_pkt *fp;
1097 struct fw_xfer *xfer;
1098 SBP_DEBUG(0)
1099 sbp_show_sdev_info(sdev, 2);
1100 printf("sbp_busy_timeout\n");
1101 END_DEBUG
1102 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0);
1103
1104 xfer->act.hand = sbp_busy_timeout_callback;
1105 fp = &xfer->send.hdr;
1106 fp->mode.wreqq.dest_hi = 0xffff;
1107 fp->mode.wreqq.dest_lo = 0xf0000000 | BUSY_TIMEOUT;
1108 fp->mode.wreqq.data = htonl((1 << (13+12)) | 0xf);
1109 fw_asyreq(xfer->fc, -1, xfer);
1110 }
1111
1112 static void
1113 sbp_orb_pointer_callback(struct fw_xfer *xfer)
1114 {
1115 struct sbp_dev *sdev;
1116 sdev = (struct sbp_dev *)xfer->sc;
1117
1118 SBP_DEBUG(1)
1119 sbp_show_sdev_info(sdev, 2);
1120 printf("%s\n", __func__);
1121 END_DEBUG
1122 if (xfer->resp != 0) {
1123 /* XXX */
1124 printf("%s: xfer->resp = %d\n", __func__, xfer->resp);
1125 }
1126 sbp_xfer_free(xfer);
1127 sdev->flags &= ~ORB_POINTER_ACTIVE;
1128
1129 if ((sdev->flags & ORB_POINTER_NEED) != 0) {
1130 struct sbp_ocb *ocb;
1131
1132 sdev->flags &= ~ORB_POINTER_NEED;
1133 ocb = STAILQ_FIRST(&sdev->ocbs);
1134 if (ocb != NULL)
1135 sbp_orb_pointer(sdev, ocb);
1136 }
1137 return;
1138 }
1139
1140 static void
1141 sbp_orb_pointer(struct sbp_dev *sdev, struct sbp_ocb *ocb)
1142 {
1143 struct fw_xfer *xfer;
1144 struct fw_pkt *fp;
1145 SBP_DEBUG(1)
1146 sbp_show_sdev_info(sdev, 2);
1147 printf("%s: 0x%08x\n", __func__, (u_int32_t)ocb->bus_addr);
1148 END_DEBUG
1149
1150 if ((sdev->flags & ORB_POINTER_ACTIVE) != 0) {
1151 SBP_DEBUG(0)
1152 printf("%s: orb pointer active\n", __func__);
1153 END_DEBUG
1154 sdev->flags |= ORB_POINTER_NEED;
1155 return;
1156 }
1157
1158 sdev->flags |= ORB_POINTER_ACTIVE;
1159 xfer = sbp_write_cmd(sdev, FWTCODE_WREQB, 0x08);
1160 if (xfer == NULL)
1161 return;
1162 xfer->act.hand = sbp_orb_pointer_callback;
1163
1164 fp = &xfer->send.hdr;
1165 fp->mode.wreqb.len = 8;
1166 fp->mode.wreqb.extcode = 0;
1167 xfer->send.payload[0] =
1168 htonl(((sdev->target->sbp->fd.fc->nodeid | FWLOCALBUS )<< 16));
1169 xfer->send.payload[1] = htonl((u_int32_t)ocb->bus_addr);
1170
1171 if(fw_asyreq(xfer->fc, -1, xfer) != 0){
1172 sbp_xfer_free(xfer);
1173 ocb->ccb->ccb_h.status = CAM_REQ_INVALID;
1174 xpt_done(ocb->ccb);
1175 }
1176 }
1177
1178 #if 0
1179 static void
1180 sbp_cmd_callback(struct fw_xfer *xfer)
1181 {
1182 SBP_DEBUG(1)
1183 struct sbp_dev *sdev;
1184 sdev = (struct sbp_dev *)xfer->sc;
1185 sbp_show_sdev_info(sdev, 2);
1186 printf("sbp_cmd_callback\n");
1187 END_DEBUG
1188 if (xfer->resp != 0) {
1189 /* XXX */
1190 printf("%s: xfer->resp = %d\n", __func__, xfer->resp);
1191 }
1192 sbp_xfer_free(xfer);
1193 return;
1194 }
1195
1196 static void
1197 sbp_doorbell(struct sbp_dev *sdev)
1198 {
1199 struct fw_xfer *xfer;
1200 struct fw_pkt *fp;
1201 SBP_DEBUG(1)
1202 sbp_show_sdev_info(sdev, 2);
1203 printf("sbp_doorbell\n");
1204 END_DEBUG
1205
1206 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0x10);
1207 if (xfer == NULL)
1208 return;
1209 xfer->act.hand = sbp_cmd_callback;
1210 fp = (struct fw_pkt *)xfer->send.buf;
1211 fp->mode.wreqq.data = htonl(0xf);
1212 fw_asyreq(xfer->fc, -1, xfer);
1213 }
1214 #endif
1215
1216 static struct fw_xfer *
1217 sbp_write_cmd(struct sbp_dev *sdev, int tcode, int offset)
1218 {
1219 struct fw_xfer *xfer;
1220 struct fw_pkt *fp;
1221 struct sbp_target *target;
1222 int new = 0;
1223
1224 target = sdev->target;
1225 crit_enter();
1226 xfer = STAILQ_FIRST(&target->xferlist);
1227 if (xfer == NULL) {
1228 if (target->n_xfer > 5 /* XXX */) {
1229 printf("sbp: no more xfer for this target\n");
1230 crit_exit();
1231 return(NULL);
1232 }
1233 xfer = fw_xfer_alloc_buf(M_SBP, 8, 0);
1234 if(xfer == NULL){
1235 printf("sbp: fw_xfer_alloc_buf failed\n");
1236 crit_exit();
1237 return NULL;
1238 }
1239 target->n_xfer ++;
1240 if (debug)
1241 printf("sbp: alloc %d xfer\n", target->n_xfer);
1242 new = 1;
1243 } else {
1244 STAILQ_REMOVE_HEAD(&target->xferlist, link);
1245 }
1246 crit_exit();
1247
1248 microtime(&xfer->tv);
1249
1250 if (new) {
1251 xfer->recv.pay_len = 0;
1252 xfer->send.spd = min(sdev->target->fwdev->speed, max_speed);
1253 xfer->fc = sdev->target->sbp->fd.fc;
1254 xfer->retry_req = fw_asybusy;
1255 }
1256
1257 if (tcode == FWTCODE_WREQB)
1258 xfer->send.pay_len = 8;
1259 else
1260 xfer->send.pay_len = 0;
1261
1262 xfer->sc = (caddr_t)sdev;
1263 fp = &xfer->send.hdr;
1264 fp->mode.wreqq.dest_hi = sdev->login->cmd_hi;
1265 fp->mode.wreqq.dest_lo = sdev->login->cmd_lo + offset;
1266 fp->mode.wreqq.tlrt = 0;
1267 fp->mode.wreqq.tcode = tcode;
1268 fp->mode.wreqq.pri = 0;
1269 fp->mode.wreqq.dst = FWLOCALBUS | sdev->target->fwdev->dst;
1270
1271 return xfer;
1272
1273 }
1274
1275 static void
1276 sbp_mgm_orb(struct sbp_dev *sdev, int func, struct sbp_ocb *aocb)
1277 {
1278 struct fw_xfer *xfer;
1279 struct fw_pkt *fp;
1280 struct sbp_ocb *ocb;
1281 struct sbp_target *target;
1282 int nid;
1283
1284 target = sdev->target;
1285 nid = target->sbp->fd.fc->nodeid | FWLOCALBUS;
1286
1287 crit_enter();
1288 if (func == ORB_FUN_RUNQUEUE) {
1289 ocb = STAILQ_FIRST(&target->mgm_ocb_queue);
1290 if (target->mgm_ocb_cur != NULL || ocb == NULL) {
1291 crit_exit();
1292 return;
1293 }
1294 STAILQ_REMOVE_HEAD(&target->mgm_ocb_queue, ocb);
1295 goto start;
1296 }
1297 if ((ocb = sbp_get_ocb(sdev)) == NULL) {
1298 crit_exit();
1299 /* XXX */
1300 return;
1301 }
1302 ocb->flags = OCB_ACT_MGM;
1303 ocb->sdev = sdev;
1304
1305 bzero((void *)ocb->orb, sizeof(ocb->orb));
1306 ocb->orb[6] = htonl((nid << 16) | SBP_BIND_HI);
1307 ocb->orb[7] = htonl(SBP_DEV2ADDR(target->target_id, sdev->lun_id));
1308
1309 SBP_DEBUG(0)
1310 sbp_show_sdev_info(sdev, 2);
1311 printf("%s\n", orb_fun_name[(func>>16)&0xf]);
1312 END_DEBUG
1313 switch (func) {
1314 case ORB_FUN_LGI:
1315 ocb->orb[0] = ocb->orb[1] = 0; /* password */
1316 ocb->orb[2] = htonl(nid << 16);
1317 ocb->orb[3] = htonl(sdev->dma.bus_addr);
1318 ocb->orb[4] = htonl(ORB_NOTIFY | sdev->lun_id);
1319 if (ex_login)
1320 ocb->orb[4] |= htonl(ORB_EXV);
1321 ocb->orb[5] = htonl(SBP_LOGIN_SIZE);
1322 fwdma_sync(&sdev->dma, BUS_DMASYNC_PREREAD);
1323 break;
1324 case ORB_FUN_ATA:
1325 ocb->orb[0] = htonl((0 << 16) | 0);
1326 ocb->orb[1] = htonl(aocb->bus_addr & 0xffffffff);
1327 /* fall through */
1328 case ORB_FUN_RCN:
1329 case ORB_FUN_LGO:
1330 case ORB_FUN_LUR:
1331 case ORB_FUN_RST:
1332 case ORB_FUN_ATS:
1333 ocb->orb[4] = htonl(ORB_NOTIFY | func | sdev->login->id);
1334 break;
1335 }
1336
1337 if (target->mgm_ocb_cur != NULL) {
1338 /* there is a standing ORB */
1339 STAILQ_INSERT_TAIL(&sdev->target->mgm_ocb_queue, ocb, ocb);
1340 crit_exit();
1341 return;
1342 }
1343 start:
1344 target->mgm_ocb_cur = ocb;
1345 crit_exit();
1346
1347 callout_reset(&target->mgm_ocb_timeout, 5*hz,
1348 sbp_mgm_timeout, (caddr_t)ocb);
1349 xfer = sbp_write_cmd(sdev, FWTCODE_WREQB, 0);
1350 if(xfer == NULL){
1351 return;
1352 }
1353 xfer->act.hand = sbp_mgm_callback;
1354
1355 fp = &xfer->send.hdr;
1356 fp->mode.wreqb.dest_hi = sdev->target->mgm_hi;
1357 fp->mode.wreqb.dest_lo = sdev->target->mgm_lo;
1358 fp->mode.wreqb.len = 8;
1359 fp->mode.wreqb.extcode = 0;
1360 xfer->send.payload[0] = htonl(nid << 16);
1361 xfer->send.payload[1] = htonl(ocb->bus_addr & 0xffffffff);
1362 SBP_DEBUG(0)
1363 sbp_show_sdev_info(sdev, 2);
1364 printf("mgm orb: %08x\n", (u_int32_t)ocb->bus_addr);
1365 END_DEBUG
1366
1367 fw_asyreq(xfer->fc, -1, xfer);
1368 }
1369
1370 static void
1371 sbp_print_scsi_cmd(struct sbp_ocb *ocb)
1372 {
1373 struct ccb_scsiio *csio;
1374
1375 csio = &ocb->ccb->csio;
1376 printf("%s:%d:%d XPT_SCSI_IO: "
1377 "cmd: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x"
1378 ", flags: 0x%02x, "
1379 "%db cmd/%db data/%db sense\n",
1380 device_get_nameunit(ocb->sdev->target->sbp->fd.dev),
1381 ocb->ccb->ccb_h.target_id, ocb->ccb->ccb_h.target_lun,
1382 csio->cdb_io.cdb_bytes[0],
1383 csio->cdb_io.cdb_bytes[1],
1384 csio->cdb_io.cdb_bytes[2],
1385 csio->cdb_io.cdb_bytes[3],
1386 csio->cdb_io.cdb_bytes[4],
1387 csio->cdb_io.cdb_bytes[5],
1388 csio->cdb_io.cdb_bytes[6],
1389 csio->cdb_io.cdb_bytes[7],
1390 csio->cdb_io.cdb_bytes[8],
1391 csio->cdb_io.cdb_bytes[9],
1392 ocb->ccb->ccb_h.flags & CAM_DIR_MASK,
1393 csio->cdb_len, csio->dxfer_len,
1394 csio->sense_len);
1395 }
1396
1397 static void
1398 sbp_scsi_status(struct sbp_status *sbp_status, struct sbp_ocb *ocb)
1399 {
1400 struct sbp_cmd_status *sbp_cmd_status;
1401 struct scsi_sense_data *sense;
1402
1403 sbp_cmd_status = (struct sbp_cmd_status *)sbp_status->data;
1404 sense = &ocb->ccb->csio.sense_data;
1405
1406 SBP_DEBUG(0)
1407 sbp_print_scsi_cmd(ocb);
1408 /* XXX need decode status */
1409 sbp_show_sdev_info(ocb->sdev, 2);
1410 printf("SCSI status %x sfmt %x valid %x key %x code %x qlfr %x len %d\n",
1411 sbp_cmd_status->status,
1412 sbp_cmd_status->sfmt,
1413 sbp_cmd_status->valid,
1414 sbp_cmd_status->s_key,
1415 sbp_cmd_status->s_code,
1416 sbp_cmd_status->s_qlfr,
1417 sbp_status->len
1418 );
1419 END_DEBUG
1420
1421 switch (sbp_cmd_status->status) {
1422 case SCSI_STATUS_CHECK_COND:
1423 case SCSI_STATUS_BUSY:
1424 case SCSI_STATUS_CMD_TERMINATED:
1425 if(sbp_cmd_status->sfmt == SBP_SFMT_CURR){
1426 sense->error_code = SSD_CURRENT_ERROR;
1427 }else{
1428 sense->error_code = SSD_DEFERRED_ERROR;
1429 }
1430 if(sbp_cmd_status->valid)
1431 sense->error_code |= SSD_ERRCODE_VALID;
1432 sense->flags = sbp_cmd_status->s_key;
1433 if(sbp_cmd_status->mark)
1434 sense->flags |= SSD_FILEMARK;
1435 if(sbp_cmd_status->eom)
1436 sense->flags |= SSD_EOM;
1437 if(sbp_cmd_status->ill_len)
1438 sense->flags |= SSD_ILI;
1439
1440 bcopy(&sbp_cmd_status->info, &sense->info[0], 4);
1441
1442 if (sbp_status->len <= 1)
1443 /* XXX not scsi status. shouldn't be happened */
1444 sense->extra_len = 0;
1445 else if (sbp_status->len <= 4)
1446 /* add_sense_code(_qual), info, cmd_spec_info */
1447 sense->extra_len = 6;
1448 else
1449 /* fru, sense_key_spec */
1450 sense->extra_len = 10;
1451
1452 bcopy(&sbp_cmd_status->cdb, &sense->cmd_spec_info[0], 4);
1453
1454 sense->add_sense_code = sbp_cmd_status->s_code;
1455 sense->add_sense_code_qual = sbp_cmd_status->s_qlfr;
1456 sense->fru = sbp_cmd_status->fru;
1457
1458 bcopy(&sbp_cmd_status->s_keydep[0],
1459 &sense->sense_key_spec[0], 3);
1460
1461 ocb->ccb->csio.scsi_status = sbp_cmd_status->status;
1462 ocb->ccb->ccb_h.status = CAM_SCSI_STATUS_ERROR
1463 | CAM_AUTOSNS_VALID;
1464 /*
1465 {
1466 u_int8_t j, *tmp;
1467 tmp = sense;
1468 for( j = 0 ; j < 32 ; j+=8){
1469 printf("sense %02x%02x %02x%02x %02x%02x %02x%02x\n",
1470 tmp[j], tmp[j+1], tmp[j+2], tmp[j+3],
1471 tmp[j+4], tmp[j+5], tmp[j+6], tmp[j+7]);
1472 }
1473
1474 }
1475 */
1476 break;
1477 default:
1478 sbp_show_sdev_info(ocb->sdev, 2);
1479 printf("sbp_scsi_status: unknown scsi status 0x%x\n",
1480 sbp_cmd_status->status);
1481 }
1482 }
1483
1484 static void
1485 sbp_fix_inq_data(struct sbp_ocb *ocb)
1486 {
1487 union ccb *ccb;
1488 struct sbp_dev *sdev;
1489 struct scsi_inquiry_data *inq;
1490
1491 ccb = ocb->ccb;
1492 sdev = ocb->sdev;
1493
1494 if (ccb->csio.cdb_io.cdb_bytes[1] & SI_EVPD)
1495 return;
1496 SBP_DEBUG(1)
1497 sbp_show_sdev_info(sdev, 2);
1498 printf("sbp_fix_inq_data\n");
1499 END_DEBUG
1500 inq = (struct scsi_inquiry_data *) ccb->csio.data_ptr;
1501 switch (SID_TYPE(inq)) {
1502 case T_DIRECT:
1503 #if 0
1504 /*
1505 * XXX Convert Direct Access device to RBC.
1506 * I've never seen FireWire DA devices which support READ_6.
1507 */
1508 if (SID_TYPE(inq) == T_DIRECT)
1509 inq->device |= T_RBC; /* T_DIRECT == 0 */
1510 #endif
1511 /* fall through */
1512 case T_RBC:
1513 /* enable tagged queuing */
1514 if (sbp_tags)
1515 inq->flags |= SID_CmdQue;
1516 else
1517 inq->flags &= ~SID_CmdQue;
1518 /*
1519 * Override vendor/product/revision information.
1520 * Some devices sometimes return strange strings.
1521 */
1522 #if 1
1523 bcopy(sdev->vendor, inq->vendor, sizeof(inq->vendor));
1524 bcopy(sdev->product, inq->product, sizeof(inq->product));
1525 bcopy(sdev->revision+2, inq->revision, sizeof(inq->revision));
1526 #endif
1527 break;
1528 }
1529 }
1530
1531 static void
1532 sbp_recv1(struct fw_xfer *xfer)
1533 {
1534 struct fw_pkt *rfp;
1535 #if NEED_RESPONSE
1536 struct fw_pkt *sfp;
1537 #endif
1538 struct sbp_softc *sbp;
1539 struct sbp_dev *sdev;
1540 struct sbp_ocb *ocb;
1541 struct sbp_login_res *login_res = NULL;
1542 struct sbp_status *sbp_status;
1543 struct sbp_target *target;
1544 int orb_fun, status_valid0, status_valid, t, l, reset_agent = 0;
1545 u_int32_t addr;
1546 /*
1547 u_int32_t *ld;
1548 ld = xfer->recv.buf;
1549 printf("sbp %x %d %d %08x %08x %08x %08x\n",
1550 xfer->resp, xfer->recv.len, xfer->recv.off, ntohl(ld[0]), ntohl(ld[1]), ntohl(ld[2]), ntohl(ld[3]));
1551 printf("sbp %08x %08x %08x %08x\n", ntohl(ld[4]), ntohl(ld[5]), ntohl(ld[6]), ntohl(ld[7]));
1552 printf("sbp %08x %08x %08x %08x\n", ntohl(ld[8]), ntohl(ld[9]), ntohl(ld[10]), ntohl(ld[11]));
1553 */
1554 sbp = (struct sbp_softc *)xfer->sc;
1555 if (xfer->resp != 0){
1556 printf("sbp_recv: xfer->resp = %d\n", xfer->resp);
1557 goto done0;
1558 }
1559 if (xfer->recv.payload == NULL){
1560 printf("sbp_recv: xfer->recv.payload == NULL\n");
1561 goto done0;
1562 }
1563 rfp = &xfer->recv.hdr;
1564 if(rfp->mode.wreqb.tcode != FWTCODE_WREQB){
1565 printf("sbp_recv: tcode = %d\n", rfp->mode.wreqb.tcode);
1566 goto done0;
1567 }
1568 sbp_status = (struct sbp_status *)xfer->recv.payload;
1569 addr = rfp->mode.wreqb.dest_lo;
1570 SBP_DEBUG(2)
1571 printf("received address 0x%x\n", addr);
1572 END_DEBUG
1573 t = SBP_ADDR2TRG(addr);
1574 if (t >= SBP_NUM_TARGETS) {
1575 device_printf(sbp->fd.dev,
1576 "sbp_recv1: invalid target %d\n", t);
1577 goto done0;
1578 }
1579 target = &sbp->targets[t];
1580 l = SBP_ADDR2LUN(addr);
1581 if (l >= target->num_lun || target->luns[l] == NULL) {
1582 device_printf(sbp->fd.dev,
1583 "sbp_recv1: invalid lun %d (target=%d)\n", l, t);
1584 goto done0;
1585 }
1586 sdev = target->luns[l];
1587
1588 ocb = NULL;
1589 switch (sbp_status->src) {
1590 case 0:
1591 case 1:
1592 /* check mgm_ocb_cur first */
1593 ocb = target->mgm_ocb_cur;
1594 if (ocb != NULL) {
1595 if (OCB_MATCH(ocb, sbp_status)) {
1596 callout_stop(&target->mgm_ocb_timeout);
1597 target->mgm_ocb_cur = NULL;
1598 break;
1599 }
1600 }
1601 ocb = sbp_dequeue_ocb(sdev, sbp_status);
1602 if (ocb == NULL) {
1603 sbp_show_sdev_info(sdev, 2);
1604 printf("No ocb(%x) on the queue\n",
1605 ntohl(sbp_status->orb_lo));
1606 }
1607 break;
1608 case 2:
1609 /* unsolicit */
1610 sbp_show_sdev_info(sdev, 2);
1611 printf("unsolicit status received\n");
1612 break;
1613 default:
1614 sbp_show_sdev_info(sdev, 2);
1615 printf("unknown sbp_status->src\n");
1616 }
1617
1618 status_valid0 = (sbp_status->src < 2
1619 && sbp_status->resp == ORB_RES_CMPL
1620 && sbp_status->dead == 0);
1621 status_valid = (status_valid0 && sbp_status->status == 0);
1622
1623 if (!status_valid0 || debug > 2){
1624 int status;
1625 SBP_DEBUG(0)
1626 sbp_show_sdev_info(sdev, 2);
1627 printf("ORB status src:%x resp:%x dead:%x"
1628 " len:%x stat:%x orb:%x%08x\n",
1629 sbp_status->src, sbp_status->resp, sbp_status->dead,
1630 sbp_status->len, sbp_status->status,
1631 ntohs(sbp_status->orb_hi), ntohl(sbp_status->orb_lo));
1632 END_DEBUG
1633 sbp_show_sdev_info(sdev, 2);
1634 status = sbp_status->status;
1635 switch(sbp_status->resp) {
1636 case 0:
1637 if (status > MAX_ORB_STATUS0)
1638 printf("%s\n", orb_status0[MAX_ORB_STATUS0]);
1639 else
1640 printf("%s\n", orb_status0[status]);
1641 break;
1642 case 1:
1643 printf("Obj: %s, Error: %s\n",
1644 orb_status1_object[(status>>6) & 3],
1645 orb_status1_serial_bus_error[status & 0xf]);
1646 break;
1647 case 2:
1648 printf("Illegal request\n");
1649 break;
1650 case 3:
1651 printf("Vendor dependent\n");
1652 break;
1653 default:
1654 printf("unknown respose code %d\n", sbp_status->resp);
1655 }
1656 }
1657
1658 /* we have to reset the fetch agent if it's dead */
1659 if (sbp_status->dead) {
1660 if (sdev->path) {
1661 xpt_freeze_devq(sdev->path, 1);
1662 sdev->freeze ++;
1663 }
1664 reset_agent = 1;
1665 }
1666
1667 if (ocb == NULL)
1668 goto done;
1669
1670 switch(ntohl(ocb->orb[4]) & ORB_FMT_MSK){
1671 case ORB_FMT_NOP:
1672 break;
1673 case ORB_FMT_VED:
1674 break;
1675 case ORB_FMT_STD:
1676 switch(ocb->flags) {
1677 case OCB_ACT_MGM:
1678 orb_fun = ntohl(ocb->orb[4]) & ORB_FUN_MSK;
1679 reset_agent = 0;
1680 switch(orb_fun) {
1681 case ORB_FUN_LGI:
1682 fwdma_sync(&sdev->dma, BUS_DMASYNC_POSTREAD);
1683 login_res = sdev->login;
1684 login_res->len = ntohs(login_res->len);
1685 login_res->id = ntohs(login_res->id);
1686 login_res->cmd_hi = ntohs(login_res->cmd_hi);
1687 login_res->cmd_lo = ntohl(login_res->cmd_lo);
1688 if (status_valid) {
1689 SBP_DEBUG(0)
1690 sbp_show_sdev_info(sdev, 2);
1691 printf("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));
1692 END_DEBUG
1693 sbp_busy_timeout(sdev);
1694 } else {
1695 /* forgot logout? */
1696 sbp_show_sdev_info(sdev, 2);
1697 printf("login failed\n");
1698 sdev->status = SBP_DEV_RESET;
1699 }
1700 break;
1701 case ORB_FUN_RCN:
1702 login_res = sdev->login;
1703 if (status_valid) {
1704 SBP_DEBUG(0)
1705 sbp_show_sdev_info(sdev, 2);
1706 printf("reconnect: len %d, ID %d, cmd %08x%08x\n", login_res->len, login_res->id, login_res->cmd_hi, login_res->cmd_lo);
1707 END_DEBUG
1708 #if 1
1709 if (sdev->status == SBP_DEV_ATTACHED)
1710 sbp_scan_dev(sdev);
1711 else
1712 sbp_agent_reset(sdev);
1713 #else
1714 sdev->status = SBP_DEV_ATTACHED;
1715 sbp_mgm_orb(sdev, ORB_FUN_ATS, NULL);
1716 #endif
1717 } else {
1718 /* reconnection hold time exceed? */
1719 SBP_DEBUG(0)
1720 sbp_show_sdev_info(sdev, 2);
1721 printf("reconnect failed\n");
1722 END_DEBUG
1723 sbp_login(sdev);
1724 }
1725 break;
1726 case ORB_FUN_LGO:
1727 sdev->status = SBP_DEV_RESET;
1728 break;
1729 case ORB_FUN_RST:
1730 sbp_busy_timeout(sdev);
1731 break;
1732 case ORB_FUN_LUR:
1733 case ORB_FUN_ATA:
1734 case ORB_FUN_ATS:
1735 sbp_agent_reset(sdev);
1736 break;
1737 default:
1738 sbp_show_sdev_info(sdev, 2);
1739 printf("unknown function %d\n", orb_fun);
1740 break;
1741 }
1742 sbp_mgm_orb(sdev, ORB_FUN_RUNQUEUE, NULL);
1743 break;
1744 case OCB_ACT_CMD:
1745 sdev->timeout = 0;
1746 if(ocb->ccb != NULL){
1747 union ccb *ccb;
1748 /*
1749 u_int32_t *ld;
1750 ld = ocb->ccb->csio.data_ptr;
1751 if(ld != NULL && ocb->ccb->csio.dxfer_len != 0)
1752 printf("ptr %08x %08x %08x %08x\n", ld[0], ld[1], ld[2], ld[3]);
1753 else
1754 printf("ptr NULL\n");
1755 printf("len %d\n", sbp_status->len);
1756 */
1757 ccb = ocb->ccb;
1758 if(sbp_status->len > 1){
1759 sbp_scsi_status(sbp_status, ocb);
1760 }else{
1761 if(sbp_status->resp != ORB_RES_CMPL){
1762 ccb->ccb_h.status = CAM_REQ_CMP_ERR;
1763 }else{
1764 ccb->ccb_h.status = CAM_REQ_CMP;
1765 }
1766 }
1767 /* fix up inq data */
1768 if (ccb->csio.cdb_io.cdb_bytes[0] == INQUIRY)
1769 sbp_fix_inq_data(ocb);
1770 xpt_done(ccb);
1771 }
1772 break;
1773 default:
1774 break;
1775 }
1776 }
1777
1778 sbp_free_ocb(sdev, ocb);
1779 done:
1780 if (reset_agent)
1781 sbp_agent_reset(sdev);
1782
1783 done0:
1784 xfer->recv.pay_len = SBP_RECV_LEN;
1785 /* The received packet is usually small enough to be stored within
1786 * the buffer. In that case, the controller return ack_complete and
1787 * no respose is necessary.
1788 *
1789 * XXX fwohci.c and firewire.c should inform event_code such as
1790 * ack_complete or ack_pending to upper driver.
1791 */
1792 #if NEED_RESPONSE
1793 xfer->send.off = 0;
1794 sfp = (struct fw_pkt *)xfer->send.buf;
1795 sfp->mode.wres.dst = rfp->mode.wreqb.src;
1796 xfer->dst = sfp->mode.wres.dst;
1797 xfer->spd = min(sdev->target->fwdev->speed, max_speed);
1798 xfer->act.hand = sbp_loginres_callback;
1799 xfer->retry_req = fw_asybusy;
1800
1801 sfp->mode.wres.tlrt = rfp->mode.wreqb.tlrt;
1802 sfp->mode.wres.tcode = FWTCODE_WRES;
1803 sfp->mode.wres.rtcode = 0;
1804 sfp->mode.wres.pri = 0;
1805
1806 fw_asyreq(xfer->fc, -1, xfer);
1807 #else
1808 /* recycle */
1809 STAILQ_INSERT_TAIL(&sbp->fwb.xferlist, xfer, link);
1810 #endif
1811
1812 return;
1813
1814 }
1815
1816 static void
1817 sbp_recv(struct fw_xfer *xfer)
1818 {
1819 crit_enter();
1820 sbp_recv1(xfer);
1821 crit_exit();
1822 }
1823 /*
1824 * sbp_attach()
1825 */
1826 static int
1827 sbp_attach(device_t dev)
1828 {
1829 struct sbp_softc *sbp;
1830 struct cam_devq *devq;
1831 struct fw_xfer *xfer;
1832 int i, error;
1833
1834 SBP_DEBUG(0)
1835 printf("sbp_attach (cold=%d)\n", cold);
1836 END_DEBUG
1837
1838 if (cold)
1839 sbp_cold ++;
1840 sbp = ((struct sbp_softc *)device_get_softc(dev));
1841 bzero(sbp, sizeof(struct sbp_softc));
1842 sbp->fd.dev = dev;
1843 sbp->fd.fc = device_get_ivars(dev);
1844
1845 if (max_speed < 0)
1846 max_speed = sbp->fd.fc->speed;
1847
1848 error = bus_dma_tag_create(/*parent*/sbp->fd.fc->dmat,
1849 /* XXX shoud be 4 for sane backend? */
1850 /*alignment*/1,
1851 /*boundary*/0,
1852 /*lowaddr*/BUS_SPACE_MAXADDR_32BIT,
1853 /*highaddr*/BUS_SPACE_MAXADDR,
1854 /*filter*/NULL, /*filterarg*/NULL,
1855 /*maxsize*/0x100000, /*nsegments*/SBP_IND_MAX,
1856 /*maxsegsz*/SBP_SEG_MAX,
1857 /*flags*/BUS_DMA_ALLOCNOW,
1858 #if defined(__FreeBSD__) && __FreeBSD_version >= 501102
1859 /*lockfunc*/busdma_lock_mutex,
1860 /*lockarg*/&Giant,
1861 #endif
1862 &sbp->dmat);
1863 if (error != 0) {
1864 printf("sbp_attach: Could not allocate DMA tag "
1865 "- error %d\n", error);
1866 return (ENOMEM);
1867 }
1868
1869 devq = cam_simq_alloc(/*maxopenings*/SBP_NUM_OCB);
1870 if (devq == NULL)
1871 return (ENXIO);
1872
1873 for( i = 0 ; i < SBP_NUM_TARGETS ; i++){
1874 sbp->targets[i].fwdev = NULL;
1875 sbp->targets[i].luns = NULL;
1876 }
1877
1878 sbp->sim = cam_sim_alloc(sbp_action, sbp_poll, "sbp", sbp,
1879 device_get_unit(dev),
1880 /*untagged*/ 1,
1881 /*tagged*/ SBP_QUEUE_LEN - 1,
1882 devq);
1883 cam_simq_release(devq);
1884 if (sbp->sim == NULL)
1885 return (ENXIO);
1886
1887 if (xpt_bus_register(sbp->sim, /*bus*/0) != CAM_SUCCESS)
1888 goto fail;
1889
1890 if (xpt_create_path(&sbp->path, xpt_periph, cam_sim_path(sbp->sim),
1891 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
1892 xpt_bus_deregister(cam_sim_path(sbp->sim));
1893 goto fail;
1894 }
1895
1896 /* We reserve 16 bit space (4 bytes X 64 targets X 256 luns) */
1897 sbp->fwb.start = ((u_int64_t)SBP_BIND_HI << 32) | SBP_DEV2ADDR(0, 0);
1898 sbp->fwb.end = sbp->fwb.start + 0xffff;
1899 sbp->fwb.act_type = FWACT_XFER;
1900 /* pre-allocate xfer */
1901 STAILQ_INIT(&sbp->fwb.xferlist);
1902 for (i = 0; i < SBP_NUM_OCB/2; i ++) {
1903 xfer = fw_xfer_alloc_buf(M_SBP,
1904 /* send */0,
1905 /* recv */SBP_RECV_LEN);
1906 xfer->act.hand = sbp_recv;
1907 #if NEED_RESPONSE
1908 xfer->fc = sbp->fd.fc;
1909 #endif
1910 xfer->sc = (caddr_t)sbp;
1911 STAILQ_INSERT_TAIL(&sbp->fwb.xferlist, xfer, link);
1912 }
1913 fw_bindadd(sbp->fd.fc, &sbp->fwb);
1914
1915 sbp->fd.post_busreset = sbp_post_busreset;
1916 sbp->fd.post_explore = sbp_post_explore;
1917
1918 if (sbp->fd.fc->status != -1) {
1919 crit_enter();
1920 sbp_post_busreset((void *)sbp);
1921 sbp_post_explore((void *)sbp);
1922 crit_exit();
1923 }
1924 xpt_async(AC_BUS_RESET, sbp->path, /*arg*/ NULL);
1925
1926 return (0);
1927 fail:
1928 cam_sim_free(sbp->sim);
1929 return (ENXIO);
1930 }
1931
1932 static int
1933 sbp_logout_all(struct sbp_softc *sbp)
1934 {
1935 struct sbp_target *target;
1936 struct sbp_dev *sdev;
1937 int i, j;
1938
1939 SBP_DEBUG(0)
1940 printf("sbp_logout_all\n");
1941 END_DEBUG
1942 for (i = 0 ; i < SBP_NUM_TARGETS ; i ++) {
1943 target = &sbp->targets[i];
1944 if (target->luns == NULL)
1945 continue;
1946 for (j = 0; j < target->num_lun; j++) {
1947 sdev = target->luns[j];
1948 if (sdev == NULL)
1949 continue;
1950 callout_stop(&sdev->login_callout);
1951 if (sdev->status >= SBP_DEV_TOATTACH &&
1952 sdev->status <= SBP_DEV_ATTACHED)
1953 sbp_mgm_orb(sdev, ORB_FUN_LGO, NULL);
1954 }
1955 }
1956
1957 return 0;
1958 }
1959
1960 static int
1961 sbp_shutdown(device_t dev)
1962 {
1963 struct sbp_softc *sbp = ((struct sbp_softc *)device_get_softc(dev));
1964
1965 sbp_logout_all(sbp);
1966 return (0);
1967 }
1968
1969 static void
1970 sbp_free_sdev(struct sbp_dev *sdev)
1971 {
1972 int i;
1973
1974 if (sdev == NULL)
1975 return;
1976 for (i = 0; i < SBP_QUEUE_LEN; i++)
1977 bus_dmamap_destroy(sdev->target->sbp->dmat,
1978 sdev->ocb[i].dmamap);
1979 fwdma_free(sdev->target->sbp->fd.fc, &sdev->dma);
1980 kfree(sdev, M_SBP);
1981 }
1982
1983 static void
1984 sbp_free_target(struct sbp_target *target)
1985 {
1986 struct sbp_softc *sbp;
1987 struct fw_xfer *xfer, *next;
1988 int i;
1989
1990 if (target->luns == NULL)
1991 return;
1992 callout_stop(&target->mgm_ocb_timeout);
1993 sbp = target->sbp;
1994 for (i = 0; i < target->num_lun; i++)
1995 sbp_free_sdev(target->luns[i]);
1996
1997 for (xfer = STAILQ_FIRST(&target->xferlist);
1998 xfer != NULL; xfer = next) {
1999 next = STAILQ_NEXT(xfer, link);
2000 fw_xfer_free_buf(xfer);
2001 }
2002 STAILQ_INIT(&target->xferlist);
2003 kfree(target->luns, M_SBP);
2004 target->num_lun = 0;
2005 target->luns = NULL;
2006 target->fwdev = NULL;
2007 }
2008
2009 static int
2010 sbp_detach(device_t dev)
2011 {
2012 struct sbp_softc *sbp = ((struct sbp_softc *)device_get_softc(dev));
2013 struct firewire_comm *fc = sbp->fd.fc;
2014 struct fw_xfer *xfer, *next;
2015 int i;
2016
2017 SBP_DEBUG(0)
2018 printf("sbp_detach\n");
2019 END_DEBUG
2020
2021 for (i = 0; i < SBP_NUM_TARGETS; i ++)
2022 sbp_cam_detach_target(&sbp->targets[i]);
2023 xpt_async(AC_LOST_DEVICE, sbp->path, NULL);
2024 xpt_free_path(sbp->path);
2025 xpt_bus_deregister(cam_sim_path(sbp->sim));
2026 cam_sim_free(sbp->sim);
2027
2028 sbp_logout_all(sbp);
2029
2030 /* XXX wait for logout completion */
2031 tsleep(&i, FWPRI, "sbpdtc", hz/2);
2032
2033 for (i = 0 ; i < SBP_NUM_TARGETS ; i ++)
2034 sbp_free_target(&sbp->targets[i]);
2035
2036 for (xfer = STAILQ_FIRST(&sbp->fwb.xferlist);
2037 xfer != NULL; xfer = next) {
2038 next = STAILQ_NEXT(xfer, link);
2039 fw_xfer_free_buf(xfer);
2040 }
2041 STAILQ_INIT(&sbp->fwb.xferlist);
2042 fw_bindremove(fc, &sbp->fwb);
2043
2044 bus_dma_tag_destroy(sbp->dmat);
2045
2046 return (0);
2047 }
2048
2049 static void
2050 sbp_cam_detach_sdev(struct sbp_dev *sdev)
2051 {
2052 if (sdev == NULL)
2053 return;
2054 if (sdev->status == SBP_DEV_DEAD)
2055 return;
2056 if (sdev->status == SBP_DEV_RESET)
2057 return;
2058 if (sdev->path) {
2059 xpt_release_devq(sdev->path,
2060 sdev->freeze, TRUE);
2061 sdev->freeze = 0;
2062 xpt_async(AC_LOST_DEVICE, sdev->path, NULL);
2063 xpt_free_path(sdev->path);
2064 sdev->path = NULL;
2065 }
2066 sbp_abort_all_ocbs(sdev, CAM_DEV_NOT_THERE);
2067 }
2068
2069 static void
2070 sbp_cam_detach_target(struct sbp_target *target)
2071 {
2072 int i;
2073
2074 if (target->luns != NULL) {
2075 SBP_DEBUG(0)
2076 printf("sbp_detach_target %d\n", target->target_id);
2077 END_DEBUG
2078 callout_stop(&target->scan_callout);
2079 for (i = 0; i < target->num_lun; i++)
2080 sbp_cam_detach_sdev(target->luns[i]);
2081 }
2082 }
2083
2084 static void
2085 sbp_target_reset(struct sbp_dev *sdev, int method)
2086 {
2087 int i;
2088 struct sbp_target *target = sdev->target;
2089 struct sbp_dev *tsdev;
2090
2091 for (i = 0; i < target->num_lun; i++) {
2092 tsdev = target->luns[i];
2093 if (tsdev == NULL)
2094 continue;
2095 if (tsdev->status == SBP_DEV_DEAD)
2096 continue;
2097 if (tsdev->status == SBP_DEV_RESET)
2098 continue;
2099 xpt_freeze_devq(tsdev->path, 1);
2100 tsdev->freeze ++;
2101 sbp_abort_all_ocbs(tsdev, CAM_CMD_TIMEOUT);
2102 if (method == 2)
2103 tsdev->status = SBP_DEV_LOGIN;
2104 }
2105 switch(method) {
2106 case 1:
2107 printf("target reset\n");
2108 sbp_mgm_orb(sdev, ORB_FUN_RST, NULL);
2109 break;
2110 case 2:
2111 printf("reset start\n");
2112 sbp_reset_start(sdev);
2113 break;
2114 }
2115
2116 }
2117
2118 static void
2119 sbp_mgm_timeout(void *arg)
2120 {
2121 struct sbp_ocb *ocb = (struct sbp_ocb *)arg;
2122 struct sbp_dev *sdev = ocb->sdev;
2123 struct sbp_target *target = sdev->target;
2124
2125 sbp_show_sdev_info(sdev, 2);
2126 printf("request timeout(mgm orb:0x%08x) ... ",
2127 (u_int32_t)ocb->bus_addr);
2128 target->mgm_ocb_cur = NULL;
2129 sbp_free_ocb(sdev, ocb);
2130 #if 0
2131 /* XXX */
2132 printf("run next request\n");
2133 sbp_mgm_orb(sdev, ORB_FUN_RUNQUEUE, NULL);
2134 #endif
2135 #if 1
2136 printf("reset start\n");
2137 sbp_reset_start(sdev);
2138 #endif
2139 }
2140
2141 static void
2142 sbp_timeout(void *arg)
2143 {
2144 struct sbp_ocb *ocb = (struct sbp_ocb *)arg;
2145 struct sbp_dev *sdev = ocb->sdev;
2146
2147 sbp_show_sdev_info(sdev, 2);
2148 printf("request timeout(cmd orb:0x%08x) ... ",
2149 (u_int32_t)ocb->bus_addr);
2150
2151 sdev->timeout ++;
2152 switch(sdev->timeout) {
2153 case 1:
2154 printf("agent reset\n");
2155 xpt_freeze_devq(sdev->path, 1);
2156 sdev->freeze ++;
2157 sbp_abort_all_ocbs(sdev, CAM_CMD_TIMEOUT);
2158 sbp_agent_reset(sdev);
2159 break;
2160 case 2:
2161 case 3:
2162 sbp_target_reset(sdev, sdev->timeout - 1);
2163 break;
2164 #if 0
2165 default:
2166 /* XXX give up */
2167 sbp_cam_detach_target(target);
2168 if (target->luns != NULL)
2169 kfree(target->luns, M_SBP);
2170 target->num_lun = 0;
2171 target->luns = NULL;
2172 target->fwdev = NULL;
2173 #endif
2174 }
2175 }
2176
2177 static void
2178 sbp_action1(struct cam_sim *sim, union ccb *ccb)
2179 {
2180
2181 struct sbp_softc *sbp = (struct sbp_softc *)sim->softc;
2182 struct sbp_target *target = NULL;
2183 struct sbp_dev *sdev = NULL;
2184
2185 /* target:lun -> sdev mapping */
2186 if (sbp != NULL
2187 && ccb->ccb_h.target_id != CAM_TARGET_WILDCARD
2188 && ccb->ccb_h.target_id < SBP_NUM_TARGETS) {
2189 target = &sbp->targets[ccb->ccb_h.target_id];
2190 if (target->fwdev != NULL
2191 && ccb->ccb_h.target_lun != CAM_LUN_WILDCARD
2192 && ccb->ccb_h.target_lun < target->num_lun) {
2193 sdev = target->luns[ccb->ccb_h.target_lun];
2194 if (sdev != NULL && sdev->status != SBP_DEV_ATTACHED &&
2195 sdev->status != SBP_DEV_PROBE)
2196 sdev = NULL;
2197 }
2198 }
2199
2200 SBP_DEBUG(1)
2201 if (sdev == NULL)
2202 printf("invalid target %d lun %d\n",
2203 ccb->ccb_h.target_id, ccb->ccb_h.target_lun);
2204 END_DEBUG
2205
2206 switch (ccb->ccb_h.func_code) {
2207 case XPT_SCSI_IO:
2208 case XPT_RESET_DEV:
2209 case XPT_GET_TRAN_SETTINGS:
2210 case XPT_SET_TRAN_SETTINGS:
2211 case XPT_CALC_GEOMETRY:
2212 if (sdev == NULL) {
2213 SBP_DEBUG(1)
2214 printf("%s:%d:%d:func_code 0x%04x: "
2215 "Invalid target (target needed)\n",
2216 device_get_nameunit(sbp->fd.dev),
2217 ccb->ccb_h.target_id, ccb->ccb_h.target_lun,
2218 ccb->ccb_h.func_code);
2219 END_DEBUG
2220
2221 ccb->ccb_h.status = CAM_DEV_NOT_THERE;
2222 xpt_done(ccb);
2223 return;
2224 }
2225 break;
2226 case XPT_PATH_INQ:
2227 case XPT_NOOP:
2228 /* The opcodes sometimes aimed at a target (sc is valid),
2229 * sometimes aimed at the SIM (sc is invalid and target is
2230 * CAM_TARGET_WILDCARD)
2231 */
2232 if (sbp == NULL &&
2233 ccb->ccb_h.target_id != CAM_TARGET_WILDCARD) {
2234 SBP_DEBUG(0)
2235 printf("%s:%d:%d func_code 0x%04x: "
2236 "Invalid target (no wildcard)\n",
2237 device_get_nameunit(sbp->fd.dev),
2238 ccb->ccb_h.target_id, ccb->ccb_h.target_lun,
2239 ccb->ccb_h.func_code);
2240 END_DEBUG
2241 ccb->ccb_h.status = CAM_DEV_NOT_THERE;
2242 xpt_done(ccb);
2243 return;
2244 }
2245 break;
2246 default:
2247 /* XXX Hm, we should check the input parameters */
2248 break;
2249 }
2250
2251 switch (ccb->ccb_h.func_code) {
2252 case XPT_SCSI_IO:
2253 {
2254 struct ccb_scsiio *csio;
2255 struct sbp_ocb *ocb;
2256 int speed;
2257 void *cdb;
2258
2259 csio = &ccb->csio;
2260
2261 SBP_DEBUG(2)
2262 printf("%s:%d:%d XPT_SCSI_IO: "
2263 "cmd: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x"
2264 ", flags: 0x%02x, "
2265 "%db cmd/%db data/%db sense\n",
2266 device_get_nameunit(sbp->fd.dev),
2267 ccb->ccb_h.target_id, ccb->ccb_h.target_lun,
2268 csio->cdb_io.cdb_bytes[0],
2269 csio->cdb_io.cdb_bytes[1],
2270 csio->cdb_io.cdb_bytes[2],
2271 csio->cdb_io.cdb_bytes[3],
2272 csio->cdb_io.cdb_bytes[4],
2273 csio->cdb_io.cdb_bytes[5],
2274 csio->cdb_io.cdb_bytes[6],
2275 csio->cdb_io.cdb_bytes[7],
2276 csio->cdb_io.cdb_bytes[8],
2277 csio->cdb_io.cdb_bytes[9],
2278 ccb->ccb_h.flags & CAM_DIR_MASK,
2279 csio->cdb_len, csio->dxfer_len,
2280 csio->sense_len);
2281 END_DEBUG
2282 if(sdev == NULL){
2283 ccb->ccb_h.status = CAM_DEV_NOT_THERE;
2284 xpt_done(ccb);
2285 return;
2286 }
2287 #if 0
2288 /* if we are in probe stage, pass only probe commands */
2289 if (sdev->status == SBP_DEV_PROBE) {
2290 char *name;
2291 name = xpt_path_periph(ccb->ccb_h.path)->periph_name;
2292 printf("probe stage, periph name: %s\n", name);
2293 if (strcmp(name, "probe") != 0) {
2294 ccb->ccb_h.status = CAM_REQUEUE_REQ;
2295 xpt_done(ccb);
2296 return;
2297 }
2298 }
2299 #endif
2300 if ((ocb = sbp_get_ocb(sdev)) == NULL) {
2301 ccb->ccb_h.status = CAM_REQUEUE_REQ;
2302 xpt_done(ccb);
2303 return;
2304 }
2305
2306 ocb->flags = OCB_ACT_CMD;
2307 ocb->sdev = sdev;
2308 ocb->ccb = ccb;
2309 ccb->ccb_h.ccb_sdev_ptr = sdev;
2310 ocb->orb[0] = htonl(1 << 31);
2311 ocb->orb[1] = 0;
2312 ocb->orb[2] = htonl(((sbp->fd.fc->nodeid | FWLOCALBUS )<< 16) );
2313 ocb->orb[3] = htonl(ocb->bus_addr + IND_PTR_OFFSET);
2314 speed = min(target->fwdev->speed, max_speed);
2315 ocb->orb[4] = htonl(ORB_NOTIFY | ORB_CMD_SPD(speed)
2316 | ORB_CMD_MAXP(speed + 7));
2317 if((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN){
2318 ocb->orb[4] |= htonl(ORB_CMD_IN);
2319 }
2320
2321 if (csio->ccb_h.flags & CAM_SCATTER_VALID)
2322 printf("sbp: CAM_SCATTER_VALID\n");
2323 if (csio->ccb_h.flags & CAM_DATA_PHYS)
2324 printf("sbp: CAM_DATA_PHYS\n");
2325
2326 if (csio->ccb_h.flags & CAM_CDB_POINTER)
2327 cdb = (void *)csio->cdb_io.cdb_ptr;
2328 else
2329 cdb = (void *)&csio->cdb_io.cdb_bytes;
2330 bcopy(cdb, (void *)&ocb->orb[5], csio->cdb_len);
2331 /*
2332 printf("ORB %08x %08x %08x %08x\n", ntohl(ocb->orb[0]), ntohl(ocb->orb[1]), ntohl(ocb->orb[2]), ntohl(ocb->orb[3]));
2333 printf("ORB %08x %08x %08x %08x\n", ntohl(ocb->orb[4]), ntohl(ocb->orb[5]), ntohl(ocb->orb[6]), ntohl(ocb->orb[7]));
2334 */
2335 if (ccb->csio.dxfer_len > 0) {
2336 int error;
2337
2338 crit_enter();
2339 error = bus_dmamap_load(/*dma tag*/sbp->dmat,
2340 /*dma map*/ocb->dmamap,
2341 ccb->csio.data_ptr,
2342 ccb->csio.dxfer_len,
2343 sbp_execute_ocb,
2344 ocb,
2345 /*flags*/0);
2346 crit_exit();
2347 if (error)
2348 printf("sbp: bus_dmamap_load error %d\n", error);
2349 } else
2350 sbp_execute_ocb(ocb, NULL, 0, 0);
2351 break;
2352 }
2353 case XPT_CALC_GEOMETRY:
2354 {
2355 struct ccb_calc_geometry *ccg;
2356 #if defined(__DragonFly__) || __FreeBSD_version < 501100
2357 u_int32_t size_mb;
2358 u_int32_t secs_per_cylinder;
2359 int extended = 1;
2360 #endif
2361
2362 ccg = &ccb->ccg;
2363 if (ccg->block_size == 0) {
2364 printf("sbp_action1: block_size is 0.\n");
2365 ccb->ccb_h.status = CAM_REQ_INVALID;
2366 xpt_done(ccb);
2367 break;
2368 }
2369 SBP_DEBUG(1)
2370 printf("%s:%d:%d:%d:XPT_CALC_GEOMETRY: "
2371 #if defined(__DragonFly__) || __FreeBSD_version < 500000
2372 "Volume size = %d\n",
2373 #else
2374 "Volume size = %jd\n",
2375 #endif
2376 device_get_nameunit(sbp->fd.dev),
2377 cam_sim_path(sbp->sim),
2378 ccb->ccb_h.target_id, ccb->ccb_h.target_lun,
2379 #if defined(__FreeBSD__) && __FreeBSD_version >= 500000
2380 (uintmax_t)
2381 #endif
2382 ccg->volume_size);
2383 END_DEBUG
2384
2385 #if defined(__DragonFly__) || __FreeBSD_version < 501100
2386 size_mb = ccg->volume_size
2387 / ((1024L * 1024L) / ccg->block_size);
2388
2389 if (size_mb > 1024 && extended) {
2390 ccg->heads = 255;
2391 ccg->secs_per_track = 63;
2392 } else {
2393 ccg->heads = 64;
2394 ccg->secs_per_track = 32;
2395 }
2396 secs_per_cylinder = ccg->heads * ccg->secs_per_track;
2397 ccg->cylinders = ccg->volume_size / secs_per_cylinder;
2398 ccb->ccb_h.status = CAM_REQ_CMP;
2399 #else
2400 cam_calc_geometry(ccg, /*extended*/1);
2401 #endif
2402 xpt_done(ccb);
2403 break;
2404 }
2405 case XPT_RESET_BUS: /* Reset the specified SCSI bus */
2406 {
2407
2408 SBP_DEBUG(1)
2409 printf("%s:%d:XPT_RESET_BUS: \n",
2410 device_get_nameunit(sbp->fd.dev), cam_sim_path(sbp->sim));
2411 END_DEBUG
2412
2413 ccb->ccb_h.status = CAM_REQ_INVALID;
2414 xpt_done(ccb);
2415 break;
2416 }
2417 case XPT_PATH_INQ: /* Path routing inquiry */
2418 {
2419 struct ccb_pathinq *cpi = &ccb->cpi;
2420
2421 SBP_DEBUG(1)
2422 printf("%s:%d:%d XPT_PATH_INQ:.\n",
2423 device_get_nameunit(sbp->fd.dev),
2424 ccb->ccb_h.target_id, ccb->ccb_h.target_lun);
2425 END_DEBUG
2426 cpi->version_num = 1; /* XXX??? */
2427 cpi->hba_inquiry = PI_TAG_ABLE;
2428 cpi->target_sprt = 0;
2429 cpi->hba_misc = PIM_NOBUSRESET | PIM_NO_6_BYTE;
2430 cpi->hba_eng_cnt = 0;
2431 cpi->max_target = SBP_NUM_TARGETS - 1;
2432 cpi->max_lun = SBP_NUM_LUNS - 1;
2433 cpi->initiator_id = SBP_INITIATOR;
2434 cpi->bus_id = sim->bus_id;
2435 cpi->base_transfer_speed = 400 * 1000 / 8;
2436 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
2437 strncpy(cpi->hba_vid, "SBP", HBA_IDLEN);
2438 strncpy(cpi->dev_name, sim->sim_name, DEV_IDLEN);
2439 cpi->unit_number = sim->unit_number;
2440
2441 cpi->ccb_h.status = CAM_REQ_CMP;
2442 xpt_done(ccb);
2443 break;
2444 }
2445 case XPT_GET_TRAN_SETTINGS:
2446 {
2447 struct ccb_trans_settings *cts = &ccb->cts;
2448 SBP_DEBUG(1)
2449 printf("%s:%d:%d XPT_GET_TRAN_SETTINGS:.\n",
2450 device_get_nameunit(sbp->fd.dev),
2451 ccb->ccb_h.target_id, ccb->ccb_h.target_lun);
2452 END_DEBUG
2453 /* Enable disconnect and tagged queuing */
2454 cts->valid = CCB_TRANS_DISC_VALID | CCB_TRANS_TQ_VALID;
2455 cts->flags = CCB_TRANS_DISC_ENB | CCB_TRANS_TAG_ENB;
2456
2457 cts->ccb_h.status = CAM_REQ_CMP;
2458 xpt_done(ccb);
2459 break;
2460 }
2461 case XPT_ABORT:
2462 ccb->ccb_h.status = CAM_UA_ABORT;
2463 xpt_done(ccb);
2464 break;
2465 case XPT_SET_TRAN_SETTINGS:
2466 /* XXX */
2467 default:
2468 ccb->ccb_h.status = CAM_REQ_INVALID;
2469 xpt_done(ccb);
2470 break;
2471 }
2472 return;
2473 }
2474
2475 static void
2476 sbp_action(struct cam_sim *sim, union ccb *ccb)
2477 {
2478 crit_enter();
2479 sbp_action1(sim, ccb);
2480 crit_exit();
2481 }
2482
2483 static void
2484 sbp_execute_ocb(void *arg, bus_dma_segment_t *segments, int seg, int error)
2485 {
2486 int i;
2487 struct sbp_ocb *ocb;
2488 struct sbp_ocb *prev;
2489 bus_dma_segment_t *s;
2490
2491 if (error)
2492 printf("sbp_execute_ocb: error=%d\n", error);
2493
2494 ocb = (struct sbp_ocb *)arg;
2495
2496 SBP_DEBUG(2)
2497 printf("sbp_execute_ocb: seg %d", seg);
2498 for (i = 0; i < seg; i++)
2499 #if defined(__DragonFly__) || __FreeBSD_version < 500000
2500 printf(", %x:%d", segments[i].ds_addr, segments[i].ds_len);
2501 #else
2502 printf(", %jx:%jd", (uintmax_t)segments[i].ds_addr,
2503 (uintmax_t)segments[i].ds_len);
2504 #endif
2505 printf("\n");
2506 END_DEBUG
2507
2508 if (seg == 1) {
2509 /* direct pointer */
2510 s = &segments[0];
2511 if (s->ds_len > SBP_SEG_MAX)
2512 panic("ds_len > SBP_SEG_MAX, fix busdma code");
2513 ocb->orb[3] = htonl(s->ds_addr);
2514 ocb->orb[4] |= htonl(s->ds_len);
2515 } else if(seg > 1) {
2516 /* page table */
2517 for (i = 0; i < seg; i++) {
2518 s = &segments[i];
2519 SBP_DEBUG(0)
2520 /* XXX LSI Logic "< 16 byte" bug might be hit */
2521 if (s->ds_len < 16)
2522 printf("sbp_execute_ocb: warning, "
2523 #if defined(__DragonFly__) || __FreeBSD_version < 500000
2524 "segment length(%d) is less than 16."
2525 #else
2526 "segment length(%zd) is less than 16."
2527 #endif
2528 "(seg=%d/%d)\n", s->ds_len, i+1, seg);
2529 END_DEBUG
2530 if (s->ds_len > SBP_SEG_MAX)
2531 panic("ds_len > SBP_SEG_MAX, fix busdma code");
2532 ocb->ind_ptr[i].hi = htonl(s->ds_len << 16);
2533 ocb->ind_ptr[i].lo = htonl(s->ds_addr);
2534 }
2535 ocb->orb[4] |= htonl(ORB_CMD_PTBL | seg);
2536 }
2537
2538 if (seg > 0)
2539 bus_dmamap_sync(ocb->sdev->target->sbp->dmat, ocb->dmamap,
2540 (ntohl(ocb->orb[4]) & ORB_CMD_IN) ?
2541 BUS_DMASYNC_PREREAD : BUS_DMASYNC_PREWRITE);
2542 prev = sbp_enqueue_ocb(ocb->sdev, ocb);
2543 fwdma_sync(&ocb->sdev->dma, BUS_DMASYNC_PREWRITE);
2544 if (prev == NULL || (ocb->sdev->flags & ORB_LINK_DEAD) != 0) {
2545 ocb->sdev->flags &= ~ORB_LINK_DEAD;
2546 sbp_orb_pointer(ocb->sdev, ocb);
2547 }
2548 }
2549
2550 static void
2551 sbp_poll(struct cam_sim *sim)
2552 {
2553 struct sbp_softc *sbp;
2554 struct firewire_comm *fc;
2555
2556 sbp = (struct sbp_softc *)sim->softc;
2557 fc = sbp->fd.fc;
2558
2559 fc->poll(fc, 0, -1);
2560
2561 return;
2562 }
2563
2564 static struct sbp_ocb *
2565 sbp_dequeue_ocb(struct sbp_dev *sdev, struct sbp_status *sbp_status)
2566 {
2567 struct sbp_ocb *ocb;
2568 struct sbp_ocb *next;
2569 int order = 0;
2570 int flags;
2571
2572 crit_enter();
2573
2574 SBP_DEBUG(1)
2575 sbp_show_sdev_info(sdev, 2);
2576 printf("%s: 0x%08x src %d\n",
2577 __func__, ntohl(sbp_status->orb_lo), sbp_status->src);
2578 END_DEBUG
2579 for (ocb = STAILQ_FIRST(&sdev->ocbs); ocb != NULL; ocb = next) {
2580 next = STAILQ_NEXT(ocb, ocb);
2581 flags = ocb->flags;
2582 if (OCB_MATCH(ocb, sbp_status)) {
2583 /* found */
2584 STAILQ_REMOVE(&sdev->ocbs, ocb, sbp_ocb, ocb);
2585 if (ocb->ccb != NULL)
2586 callout_stop(&ocb->ccb->ccb_h.timeout_ch);
2587 if (ntohl(ocb->orb[4]) & 0xffff) {
2588 bus_dmamap_sync(sdev->target->sbp->dmat,
2589 ocb->dmamap,
2590 (ntohl(ocb->orb[4]) & ORB_CMD_IN) ?
2591 BUS_DMASYNC_POSTREAD :
2592 BUS_DMASYNC_POSTWRITE);
2593 bus_dmamap_unload(sdev->target->sbp->dmat,
2594 ocb->dmamap);
2595 }
2596 if (sbp_status->src == SRC_NO_NEXT) {
2597 if (next != NULL)
2598 sbp_orb_pointer(sdev, next);
2599 else if (order > 0) {
2600 /*
2601 * Unordered execution
2602 * We need to send pointer for
2603 * next ORB
2604 */
2605 sdev->flags |= ORB_LINK_DEAD;
2606 }
2607 }
2608 break;
2609 } else
2610 order ++;
2611 }
2612 crit_exit();
2613 SBP_DEBUG(0)
2614 if (ocb && order > 0) {
2615 sbp_show_sdev_info(sdev, 2);
2616 printf("unordered execution order:%d\n", order);
2617 }
2618 END_DEBUG
2619 return (ocb);
2620 }
2621
2622 static struct sbp_ocb *
2623 sbp_enqueue_ocb(struct sbp_dev *sdev, struct sbp_ocb *ocb)
2624 {
2625 struct sbp_ocb *prev;
2626
2627 crit_enter();
2628
2629 SBP_DEBUG(1)
2630 sbp_show_sdev_info(sdev, 2);
2631 #if defined(__DragonFly__) || __FreeBSD_version < 500000
2632 printf("%s: 0x%08x\n", __func__, ocb->bus_addr);
2633 #else
2634 printf("%s: 0x%08jx\n", __func__, (uintmax_t)ocb->bus_addr);
2635 #endif
2636 END_DEBUG
2637 prev = STAILQ_LAST(&sdev->ocbs, sbp_ocb, ocb);
2638 STAILQ_INSERT_TAIL(&sdev->ocbs, ocb, ocb);
2639
2640 if (ocb->ccb != NULL)
2641 callout_reset(&ocb->ccb->ccb_h.timeout_ch,
2642 (ocb->ccb->ccb_h.timeout * hz) / 1000, sbp_timeout, ocb);
2643
2644 if (prev != NULL) {
2645 SBP_DEBUG(2)
2646 #if defined(__DragonFly__) || __FreeBSD_version < 500000
2647 printf("linking chain 0x%x -> 0x%x\n",
2648 prev->bus_addr, ocb->bus_addr);
2649 #else
2650 printf("linking chain 0x%jx -> 0x%jx\n",
2651 (uintmax_t)prev->bus_addr, (uintmax_t)ocb->bus_addr);
2652 #endif
2653 END_DEBUG
2654 prev->orb[1] = htonl(ocb->bus_addr);
2655 prev->orb[0] = 0;
2656 }
2657 crit_exit();
2658
2659 return prev;
2660 }
2661
2662 static struct sbp_ocb *
2663 sbp_get_ocb(struct sbp_dev *sdev)
2664 {
2665 struct sbp_ocb *ocb;
2666
2667 crit_enter();
2668 ocb = STAILQ_FIRST(&sdev->free_ocbs);
2669 if (ocb == NULL) {
2670 printf("ocb shortage!!!\n");
2671 return NULL;
2672 }
2673 STAILQ_REMOVE_HEAD(&sdev->free_ocbs, ocb);
2674 crit_exit();
2675 ocb->ccb = NULL;
2676 return (ocb);
2677 }
2678
2679 static void
2680 sbp_free_ocb(struct sbp_dev *sdev, struct sbp_ocb *ocb)
2681 {
2682 ocb->flags = 0;
2683 ocb->ccb = NULL;
2684 STAILQ_INSERT_TAIL(&sdev->free_ocbs, ocb, ocb);
2685 }
2686
2687 static void
2688 sbp_abort_ocb(struct sbp_ocb *ocb, int status)
2689 {
2690 struct sbp_dev *sdev;
2691
2692 sdev = ocb->sdev;
2693 SBP_DEBUG(0)
2694 sbp_show_sdev_info(sdev, 2);
2695 #if defined(__DragonFly__) || __FreeBSD_version < 500000
2696 printf("sbp_abort_ocb 0x%x\n", ocb->bus_addr);
2697 #else
2698 printf("sbp_abort_ocb 0x%jx\n", (uintmax_t)ocb->bus_addr);
2699 #endif
2700 END_DEBUG
2701 SBP_DEBUG(1)
2702 if (ocb->ccb != NULL)
2703 sbp_print_scsi_cmd(ocb);
2704 END_DEBUG
2705 if (ntohl(ocb->orb[4]) & 0xffff) {
2706 bus_dmamap_sync(sdev->target->sbp->dmat, ocb->dmamap,
2707 (ntohl(ocb->orb[4]) & ORB_CMD_IN) ?
2708 BUS_DMASYNC_POSTREAD : BUS_DMASYNC_POSTWRITE);
2709 bus_dmamap_unload(sdev->target->sbp->dmat, ocb->dmamap);
2710 }
2711 if (ocb->ccb != NULL) {
2712 callout_stop(&ocb->ccb->ccb_h.timeout_ch);
2713 ocb->ccb->ccb_h.status = status;
2714 xpt_done(ocb->ccb);
2715 }
2716 sbp_free_ocb(sdev, ocb);
2717 }
2718
2719 static void
2720 sbp_abort_all_ocbs(struct sbp_dev *sdev, int status)
2721 {
2722 struct sbp_ocb *ocb, *next;
2723 STAILQ_HEAD(, sbp_ocb) temp;
2724
2725 crit_enter();
2726 bcopy(&sdev->ocbs, &temp, sizeof(temp));
2727 STAILQ_INIT(&sdev->ocbs);
2728 for (ocb = STAILQ_FIRST(&temp); ocb != NULL; ocb = next) {
2729 next = STAILQ_NEXT(ocb, ocb);
2730 sbp_abort_ocb(ocb, status);
2731 }
2732 crit_exit();
2733 }
2734
2735 static devclass_t sbp_devclass;
2736
2737 /*
2738 * Because sbp is a static device that always exists under any attached
2739 * firewire device, and not scanned by the firewire device, we need an
2740 * identify function to install the device. For our sanity we want
2741 * the sbp device to have the same unit number as the fireweire device.
2742 */
2743
2744 static device_method_t sbp_methods[] = {
2745 /* device interface */
2746 DEVMETHOD(device_identify, bus_generic_identify_sameunit),
2747 DEVMETHOD(device_probe, sbp_probe),
2748 DEVMETHOD(device_attach, sbp_attach),
2749 DEVMETHOD(device_detach, sbp_detach),
2750 DEVMETHOD(device_shutdown, sbp_shutdown),
2751
2752 { 0, 0 }
2753 };
2754
2755 static driver_t sbp_driver = {
2756 "sbp",
2757 sbp_methods,
2758 sizeof(struct sbp_softc),
2759 };
2760
2761 DECLARE_DUMMY_MODULE(sbp);
2762 DRIVER_MODULE(sbp, firewire, sbp_driver, sbp_devclass, 0, 0);
2763 MODULE_VERSION(sbp, 1);
2764 MODULE_DEPEND(sbp, firewire, 1, 1, 1);
2765 MODULE_DEPEND(sbp, cam, 1, 1, 1);
Port diff from OpenBSD to DragonFly