?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
sdhci - Handle ADMA error interrupt, similar to ACMD12 error interrupt.
[dragonfly.git] / sys / dev / disk / sbp / sbp.c
blobc0394ee17cb241769e5f2ae56729f93a9cd59f21
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 1.86 2007/03/16 01:23:36 simokawa Exp $
35 *
36 */
37
38 #include <sys/param.h>
39 #include <sys/systm.h>
40 #include <sys/conf.h>
41 #include <sys/module.h>
42 #include <sys/bus.h>
43 #include <sys/kernel.h>
44 #include <sys/sysctl.h>
45 #include <sys/malloc.h>
46 #include <sys/thread2.h>
47
48 #include <bus/cam/cam.h>
49 #include <bus/cam/cam_ccb.h>
50 #include <bus/cam/cam_sim.h>
51 #include <bus/cam/cam_xpt_sim.h>
52 #include <bus/cam/cam_debug.h>
53 #include <bus/cam/cam_periph.h>
54 #include <bus/cam/scsi/scsi_all.h>
55
56 #include <bus/firewire/firewire.h>
57 #include <bus/firewire/firewirereg.h>
58 #include <bus/firewire/fwdma.h>
59 #include <bus/firewire/iec13213.h>
60 #include "sbp.h"
61
62 #define ccb_sdev_ptr spriv_ptr0
63 #define ccb_sbp_ptr spriv_ptr1
64
65 #define SBP_NUM_TARGETS 8 /* MAX 64 */
66 /*
67 * Scan_bus doesn't work for more than 8 LUNs
68 * because of CAM_SCSI2_MAXLUN in cam_xpt.c
69 */
70 #define SBP_NUM_LUNS 64
71 #define SBP_MAXPHYS MIN(MAXPHYS, (512*1024) /* 512KB */)
72 #define SBP_DMA_SIZE PAGE_SIZE
73 #define SBP_LOGIN_SIZE sizeof(struct sbp_login_res)
74 #define SBP_QUEUE_LEN ((SBP_DMA_SIZE - SBP_LOGIN_SIZE) / sizeof(struct sbp_ocb))
75 #define SBP_NUM_OCB (SBP_QUEUE_LEN * SBP_NUM_TARGETS)
76
77 /*
78 * STATUS FIFO addressing
79 * bit
80 * -----------------------
81 * 0- 1( 2): 0 (alingment)
82 * 2- 7( 6): target
83 * 8-15( 8): lun
84 * 16-31( 8): reserved
85 * 32-47(16): SBP_BIND_HI
86 * 48-64(16): bus_id, node_id
87 */
88 #define SBP_BIND_HI 0x1
89 #define SBP_DEV2ADDR(t, l) \
90 (((u_int64_t)SBP_BIND_HI << 32) \
91 | (((l) & 0xff) << 8) \
92 | (((t) & 0x3f) << 2))
93 #define SBP_ADDR2TRG(a) (((a) >> 2) & 0x3f)
94 #define SBP_ADDR2LUN(a) (((a) >> 8) & 0xff)
95 #define SBP_INITIATOR 7
96
97 static char *orb_fun_name[] = {
98 ORB_FUN_NAMES
99 };
100
101 static int debug = 0;
102 static int auto_login = 1;
103 static int max_speed = -1;
104 #if 0
105 static int sbp_cold = 1;
106 #endif
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 #define SBP_IND_MAX howmany(SBP_MAXPHYS, PAGE_SIZE)
140
141 struct sbp_ocb {
142 STAILQ_ENTRY(sbp_ocb) ocb;
143 union ccb *ccb;
144 bus_addr_t bus_addr;
145 u_int32_t orb[8];
146 #define IND_PTR_OFFSET (8*sizeof(u_int32_t))
147 struct ind_ptr ind_ptr[SBP_IND_MAX];
148 struct sbp_dev *sdev;
149 int flags; /* XXX should be removed */
150 bus_dmamap_t dmamap;
151 };
152
153 #define OCB_ACT_MGM 0
154 #define OCB_ACT_CMD 1
155 #define OCB_MATCH(o,s) ((o)->bus_addr == ntohl((s)->orb_lo))
156
157 struct sbp_dev{
158 #define SBP_DEV_RESET 0 /* accept login */
159 #define SBP_DEV_LOGIN 1 /* to login */
160 #if 0
161 #define SBP_DEV_RECONN 2 /* to reconnect */
162 #endif
163 #define SBP_DEV_TOATTACH 3 /* to attach */
164 #define SBP_DEV_PROBE 4 /* scan lun */
165 #define SBP_DEV_ATTACHED 5 /* in operation */
166 #define SBP_DEV_DEAD 6 /* unavailable unit */
167 #define SBP_DEV_RETRY 7 /* unavailable unit */
168 u_int8_t status:4,
169 timeout:4;
170 u_int8_t type;
171 u_int16_t lun_id;
172 u_int16_t freeze;
173 #define ORB_LINK_DEAD (1 << 0)
174 #define VALID_LUN (1 << 1)
175 #define ORB_POINTER_ACTIVE (1 << 2)
176 #define ORB_POINTER_NEED (1 << 3)
177 u_int16_t flags;
178 struct cam_path *path;
179 struct sbp_target *target;
180 struct fwdma_alloc dma;
181 struct sbp_login_res *login;
182 struct callout login_callout;
183 struct sbp_ocb *ocb;
184 STAILQ_HEAD(, sbp_ocb) ocbs;
185 STAILQ_HEAD(, sbp_ocb) free_ocbs;
186 char vendor[32];
187 char product[32];
188 char revision[10];
189 };
190
191 struct sbp_target {
192 int target_id;
193 int num_lun;
194 struct sbp_dev **luns;
195 struct sbp_softc *sbp;
196 struct fw_device *fwdev;
197 u_int32_t mgm_hi, mgm_lo;
198 struct sbp_ocb *mgm_ocb_cur;
199 STAILQ_HEAD(, sbp_ocb) mgm_ocb_queue;
200 struct callout mgm_ocb_timeout;
201 struct callout scan_callout;
202 STAILQ_HEAD(, fw_xfer) xferlist;
203 int n_xfer;
204 };
205
206 struct sbp_softc {
207 struct firewire_dev_comm fd;
208 struct cam_sim *sim;
209 struct cam_path *path;
210 struct sbp_target targets[SBP_NUM_TARGETS];
211 struct fw_bind fwb;
212 bus_dma_tag_t dmat;
213 struct timeval last_busreset;
214 #define SIMQ_FREEZED 1
215 int flags;
216 };
217
218 static void sbp_post_explore (void *);
219 static void sbp_recv (struct fw_xfer *);
220 static void sbp_mgm_callback (struct fw_xfer *);
221 #if 0
222 static void sbp_cmd_callback (struct fw_xfer *);
223 #endif
224 static void sbp_orb_pointer (struct sbp_dev *, struct sbp_ocb *);
225 static void sbp_execute_ocb (void *, bus_dma_segment_t *, int, int);
226 static void sbp_free_ocb (struct sbp_dev *, struct sbp_ocb *);
227 static void sbp_abort_ocb (struct sbp_ocb *, int);
228 static void sbp_abort_all_ocbs (struct sbp_dev *, int);
229 static struct fw_xfer * sbp_write_cmd (struct sbp_dev *, int, int);
230 static struct sbp_ocb * sbp_get_ocb (struct sbp_dev *);
231 static struct sbp_ocb * sbp_enqueue_ocb (struct sbp_dev *, struct sbp_ocb *);
232 static struct sbp_ocb * sbp_dequeue_ocb (struct sbp_dev *, struct sbp_status *);
233 static void sbp_cam_detach_sdev(struct sbp_dev *);
234 static void sbp_free_sdev(struct sbp_dev *);
235 static void sbp_cam_detach_target (struct sbp_target *);
236 static void sbp_free_target (struct sbp_target *);
237 static void sbp_mgm_timeout (void *arg);
238 static void sbp_timeout (void *arg);
239 static void sbp_mgm_orb (struct sbp_dev *, int, struct sbp_ocb *);
240
241 MALLOC_DEFINE(M_SBP, "sbp", "SBP-II/FireWire");
242
243 /* cam related functions */
244 static void sbp_action(struct cam_sim *sim, union ccb *ccb);
245 static void sbp_poll(struct cam_sim *sim);
246 static void sbp_cam_scan_lun(struct cam_periph *, union ccb *);
247 static void sbp_cam_scan_target(void *arg);
248
249 static char *orb_status0[] = {
250 /* 0 */ "No additional information to report",
251 /* 1 */ "Request type not supported",
252 /* 2 */ "Speed not supported",
253 /* 3 */ "Page size not supported",
254 /* 4 */ "Access denied",
255 /* 5 */ "Logical unit not supported",
256 /* 6 */ "Maximum payload too small",
257 /* 7 */ "Reserved for future standardization",
258 /* 8 */ "Resources unavailable",
259 /* 9 */ "Function rejected",
260 /* A */ "Login ID not recognized",
261 /* B */ "Dummy ORB completed",
262 /* C */ "Request aborted",
263 /* FF */ "Unspecified error"
264 #define MAX_ORB_STATUS0 0xd
265 };
266
267 static char *orb_status1_object[] = {
268 /* 0 */ "Operation request block (ORB)",
269 /* 1 */ "Data buffer",
270 /* 2 */ "Page table",
271 /* 3 */ "Unable to specify"
272 };
273
274 static char *orb_status1_serial_bus_error[] = {
275 /* 0 */ "Missing acknowledge",
276 /* 1 */ "Reserved; not to be used",
277 /* 2 */ "Time-out error",
278 /* 3 */ "Reserved; not to be used",
279 /* 4 */ "Busy retry limit exceeded(X)",
280 /* 5 */ "Busy retry limit exceeded(A)",
281 /* 6 */ "Busy retry limit exceeded(B)",
282 /* 7 */ "Reserved for future standardization",
283 /* 8 */ "Reserved for future standardization",
284 /* 9 */ "Reserved for future standardization",
285 /* A */ "Reserved for future standardization",
286 /* B */ "Tardy retry limit exceeded",
287 /* C */ "Conflict error",
288 /* D */ "Data error",
289 /* E */ "Type error",
290 /* F */ "Address error"
291 };
292
293 /*
294 * sbp_probe()
295 */
296 static int
297 sbp_probe(device_t dev)
298 {
299 device_t pa;
300
301 SBP_DEBUG(0)
302 kprintf("sbp_probe\n");
303 END_DEBUG
304
305 pa = device_get_parent(dev);
306 if(device_get_unit(dev) != device_get_unit(pa)){
307 return(ENXIO);
308 }
309
310 device_set_desc(dev, "SBP-2/SCSI over FireWire");
311
312 if (bootverbose)
313 debug = bootverbose;
314 return (0);
315 }
316
317 static void
318 sbp_show_sdev_info(struct sbp_dev *sdev, int new)
319 {
320 struct fw_device *fwdev;
321
322 kprintf("%s:%d:%d ",
323 device_get_nameunit(sdev->target->sbp->fd.dev),
324 sdev->target->target_id,
325 sdev->lun_id
326 );
327 if (new == 2) {
328 return;
329 }
330 fwdev = sdev->target->fwdev;
331 kprintf("ordered:%d type:%d EUI:%08x%08x node:%d "
332 "speed:%d maxrec:%d",
333 (sdev->type & 0x40) >> 6,
334 (sdev->type & 0x1f),
335 fwdev->eui.hi,
336 fwdev->eui.lo,
337 fwdev->dst,
338 fwdev->speed,
339 fwdev->maxrec
340 );
341 if (new)
342 kprintf(" new!\n");
343 else
344 kprintf("\n");
345 sbp_show_sdev_info(sdev, 2);
346 kprintf("'%s' '%s' '%s'\n", sdev->vendor, sdev->product, sdev->revision);
347 }
348
349 static struct {
350 int bus;
351 int target;
352 struct fw_eui64 eui;
353 } wired[] = {
354 /* Bus Target EUI64 */
355 #if 0
356 {0, 2, {0x00018ea0, 0x01fd0154}}, /* Logitec HDD */
357 {0, 0, {0x00018ea6, 0x00100682}}, /* Logitec DVD */
358 {0, 1, {0x00d03200, 0xa412006a}}, /* Yano HDD */
359 #endif
360 {-1, -1, {0,0}}
361 };
362
363 static int
364 sbp_new_target(struct sbp_softc *sbp, struct fw_device *fwdev)
365 {
366 int bus, i, target=-1;
367 char w[SBP_NUM_TARGETS];
368
369 bzero(w, sizeof(w));
370 bus = device_get_unit(sbp->fd.dev);
371
372 /* XXX wired-down configuration should be gotten from
373 tunable or device hint */
374 for (i = 0; wired[i].bus >= 0; i ++) {
375 if (wired[i].bus == bus) {
376 w[wired[i].target] = 1;
377 if (wired[i].eui.hi == fwdev->eui.hi &&
378 wired[i].eui.lo == fwdev->eui.lo)
379 target = wired[i].target;
380 }
381 }
382 if (target >= 0) {
383 if(target < SBP_NUM_TARGETS &&
384 sbp->targets[target].fwdev == NULL)
385 return(target);
386 device_printf(sbp->fd.dev,
387 "target %d is not free for %08x:%08x\n",
388 target, fwdev->eui.hi, fwdev->eui.lo);
389 target = -1;
390 }
391 /* non-wired target */
392 for (i = 0; i < SBP_NUM_TARGETS; i ++)
393 if (sbp->targets[i].fwdev == NULL && w[i] == 0) {
394 target = i;
395 break;
396 }
397
398 return target;
399 }
400
401 static void
402 sbp_alloc_lun(struct sbp_target *target)
403 {
404 struct crom_context cc;
405 struct csrreg *reg;
406 struct sbp_dev *sdev, **newluns;
407 struct sbp_softc *sbp;
408 int maxlun, lun, i;
409
410 sbp = target->sbp;
411 crom_init_context(&cc, target->fwdev->csrrom);
412 /* XXX shoud parse appropriate unit directories only */
413 maxlun = -1;
414 while (cc.depth >= 0) {
415 reg = crom_search_key(&cc, CROM_LUN);
416 if (reg == NULL)
417 break;
418 lun = reg->val & 0xffff;
419 SBP_DEBUG(0)
420 kprintf("target %d lun %d found\n", target->target_id, lun);
421 END_DEBUG
422 if (maxlun < lun)
423 maxlun = lun;
424 crom_next(&cc);
425 }
426 if (maxlun < 0)
427 kprintf("%s:%d no LUN found\n",
428 device_get_nameunit(target->sbp->fd.dev),
429 target->target_id);
430
431 maxlun ++;
432 if (maxlun >= SBP_NUM_LUNS)
433 maxlun = SBP_NUM_LUNS;
434
435 /* Invalidiate stale devices */
436 for (lun = 0; lun < target->num_lun; lun ++) {
437 sdev = target->luns[lun];
438 if (sdev == NULL)
439 continue;
440 sdev->flags &= ~VALID_LUN;
441 if (lun >= maxlun) {
442 /* lost device */
443 sbp_cam_detach_sdev(sdev);
444 sbp_free_sdev(sdev);
445 }
446 }
447
448 /* Reallocate */
449 if (maxlun != target->num_lun) {
450 /*
451 * note: krealloc() does not support M_ZERO. We must zero
452 * the extended region manually.
453 */
454 newluns = krealloc(target->luns,
455 sizeof(struct sbp_dev *) * maxlun,
456 M_SBP, M_WAITOK);
457
458 if (maxlun > target->num_lun) {
459 bzero(&newluns[target->num_lun],
460 sizeof(struct sbp_dev *) *
461 (maxlun - target->num_lun));
462 }
463 target->luns = newluns;
464 target->num_lun = maxlun;
465 }
466
467 crom_init_context(&cc, target->fwdev->csrrom);
468 while (cc.depth >= 0) {
469 int new = 0;
470
471 reg = crom_search_key(&cc, CROM_LUN);
472 if (reg == NULL)
473 break;
474 lun = reg->val & 0xffff;
475 if (lun >= SBP_NUM_LUNS) {
476 kprintf("too large lun %d\n", lun);
477 goto next;
478 }
479
480 sdev = target->luns[lun];
481 if (sdev == NULL) {
482 sdev = kmalloc(sizeof(struct sbp_dev),
483 M_SBP, M_WAITOK | M_ZERO);
484 target->luns[lun] = sdev;
485 sdev->lun_id = lun;
486 sdev->target = target;
487 STAILQ_INIT(&sdev->ocbs);
488 CALLOUT_INIT(&sdev->login_callout);
489 sdev->status = SBP_DEV_RESET;
490 new = 1;
491 }
492 sdev->flags |= VALID_LUN;
493 sdev->type = (reg->val & 0xff0000) >> 16;
494
495 if (new == 0)
496 goto next;
497
498 fwdma_malloc(sbp->fd.fc,
499 /* alignment */ sizeof(u_int32_t),
500 SBP_DMA_SIZE, &sdev->dma, BUS_DMA_NOWAIT);
501 if (sdev->dma.v_addr == NULL) {
502 kprintf("%s: dma space allocation failed\n",
503 __func__);
504 kfree(sdev, M_SBP);
505 target->luns[lun] = NULL;
506 goto next;
507 }
508 sdev->login = (struct sbp_login_res *) sdev->dma.v_addr;
509 sdev->ocb = (struct sbp_ocb *)
510 ((char *)sdev->dma.v_addr + SBP_LOGIN_SIZE);
511 bzero((char *)sdev->ocb,
512 sizeof (struct sbp_ocb) * SBP_QUEUE_LEN);
513
514 STAILQ_INIT(&sdev->free_ocbs);
515 for (i = 0; i < SBP_QUEUE_LEN; i++) {
516 struct sbp_ocb *ocb;
517 ocb = &sdev->ocb[i];
518 ocb->bus_addr = sdev->dma.bus_addr
519 + SBP_LOGIN_SIZE
520 + sizeof(struct sbp_ocb) * i
521 + offsetof(struct sbp_ocb, orb[0]);
522 if (bus_dmamap_create(sbp->dmat, 0, &ocb->dmamap)) {
523 kprintf("sbp_attach: cannot create dmamap\n");
524 /* XXX */
525 goto next;
526 }
527 sbp_free_ocb(sdev, ocb);
528 }
529 next:
530 crom_next(&cc);
531 }
532
533 for (lun = 0; lun < target->num_lun; lun ++) {
534 sdev = target->luns[lun];
535 if (sdev != NULL && (sdev->flags & VALID_LUN) == 0) {
536 sbp_cam_detach_sdev(sdev);
537 sbp_free_sdev(sdev);
538 target->luns[lun] = NULL;
539 }
540 }
541 }
542
543 static struct sbp_target *
544 sbp_alloc_target(struct sbp_softc *sbp, struct fw_device *fwdev)
545 {
546 int i;
547 struct sbp_target *target;
548 struct crom_context cc;
549 struct csrreg *reg;
550
551 SBP_DEBUG(1)
552 kprintf("sbp_alloc_target\n");
553 END_DEBUG
554 i = sbp_new_target(sbp, fwdev);
555 if (i < 0) {
556 device_printf(sbp->fd.dev, "increase SBP_NUM_TARGETS!\n");
557 return NULL;
558 }
559 /* new target */
560 target = &sbp->targets[i];
561 target->sbp = sbp;
562 target->fwdev = fwdev;
563 target->target_id = i;
564 /* XXX we may want to reload mgm port after each bus reset */
565 /* XXX there might be multiple management agents */
566 crom_init_context(&cc, target->fwdev->csrrom);
567 reg = crom_search_key(&cc, CROM_MGM);
568 if (reg == NULL || reg->val == 0) {
569 kprintf("NULL management address\n");
570 target->fwdev = NULL;
571 return NULL;
572 }
573 target->mgm_hi = 0xffff;
574 target->mgm_lo = 0xf0000000 | (reg->val << 2);
575 target->mgm_ocb_cur = NULL;
576 SBP_DEBUG(1)
577 kprintf("target:%d mgm_port: %x\n", i, target->mgm_lo);
578 END_DEBUG
579 STAILQ_INIT(&target->xferlist);
580 target->n_xfer = 0;
581 STAILQ_INIT(&target->mgm_ocb_queue);
582 CALLOUT_INIT(&target->mgm_ocb_timeout);
583 CALLOUT_INIT(&target->scan_callout);
584
585 target->luns = NULL;
586 target->num_lun = 0;
587 return target;
588 }
589
590 static void
591 sbp_probe_lun(struct sbp_dev *sdev)
592 {
593 struct fw_device *fwdev;
594 struct crom_context c, *cc = &c;
595 struct csrreg *reg;
596
597 bzero(sdev->vendor, sizeof(sdev->vendor));
598 bzero(sdev->product, sizeof(sdev->product));
599
600 fwdev = sdev->target->fwdev;
601 crom_init_context(cc, fwdev->csrrom);
602 /* get vendor string */
603 crom_search_key(cc, CSRKEY_VENDOR);
604 crom_next(cc);
605 crom_parse_text(cc, sdev->vendor, sizeof(sdev->vendor));
606 /* skip to the unit directory for SBP-2 */
607 while ((reg = crom_search_key(cc, CSRKEY_VER)) != NULL) {
608 if (reg->val == CSRVAL_T10SBP2)
609 break;
610 crom_next(cc);
611 }
612 /* get firmware revision */
613 reg = crom_search_key(cc, CSRKEY_FIRM_VER);
614 if (reg != NULL)
615 ksnprintf(sdev->revision, sizeof(sdev->revision),
616 "%06x", reg->val);
617 /* get product string */
618 crom_search_key(cc, CSRKEY_MODEL);
619 crom_next(cc);
620 crom_parse_text(cc, sdev->product, sizeof(sdev->product));
621 }
622
623 static void
624 sbp_login_callout(void *arg)
625 {
626 struct sbp_dev *sdev = (struct sbp_dev *)arg;
627 sbp_mgm_orb(sdev, ORB_FUN_LGI, NULL);
628 }
629
630 static void
631 sbp_login(struct sbp_dev *sdev)
632 {
633 struct timeval delta;
634 struct timeval t;
635 int ticks = 0;
636
637 microtime(&delta);
638 timevalsub(&delta, &sdev->target->sbp->last_busreset);
639 t.tv_sec = login_delay / 1000;
640 t.tv_usec = (login_delay % 1000) * 1000;
641 timevalsub(&t, &delta);
642 if (t.tv_sec >= 0 && t.tv_usec > 0)
643 ticks = (t.tv_sec * 1000 + t.tv_usec / 1000) * hz / 1000;
644 SBP_DEBUG(0)
645 kprintf("%s: sec = %ld usec = %ld ticks = %d\n", __func__,
646 t.tv_sec, t.tv_usec, ticks);
647 END_DEBUG
648 callout_reset(&sdev->login_callout, ticks,
649 sbp_login_callout, (void *)(sdev));
650 }
651
652 #define SBP_FWDEV_ALIVE(fwdev) (((fwdev)->status == FWDEVATTACHED) \
653 && crom_has_specver((fwdev)->csrrom, CSRVAL_ANSIT10, CSRVAL_T10SBP2))
654
655 static void
656 sbp_probe_target(void *arg)
657 {
658 struct sbp_target *target = (struct sbp_target *)arg;
659 struct sbp_dev *sdev;
660 int i, alive;
661
662 alive = SBP_FWDEV_ALIVE(target->fwdev);
663 SBP_DEBUG(1)
664 kprintf("sbp_probe_target %d\n", target->target_id);
665 if (!alive)
666 kprintf("not alive\n");
667 END_DEBUG
668
669 sbp_alloc_lun(target);
670
671 /* XXX callout_stop mgm_ocb and dequeue */
672 for (i=0; i < target->num_lun; i++) {
673 sdev = target->luns[i];
674 if (sdev == NULL)
675 continue;
676 if (alive && (sdev->status != SBP_DEV_DEAD)) {
677 if (sdev->path != NULL) {
678 xpt_freeze_devq(sdev->path, 1);
679 sdev->freeze ++;
680 }
681 sbp_probe_lun(sdev);
682 SBP_DEBUG(0)
683 sbp_show_sdev_info(sdev,
684 (sdev->status == SBP_DEV_RESET));
685 END_DEBUG
686
687 sbp_abort_all_ocbs(sdev, CAM_SCSI_BUS_RESET);
688 switch (sdev->status) {
689 case SBP_DEV_RESET:
690 /* new or revived target */
691 if (auto_login)
692 sbp_login(sdev);
693 break;
694 case SBP_DEV_TOATTACH:
695 case SBP_DEV_PROBE:
696 case SBP_DEV_ATTACHED:
697 case SBP_DEV_RETRY:
698 default:
699 sbp_mgm_orb(sdev, ORB_FUN_RCN, NULL);
700 break;
701 }
702 } else {
703 switch (sdev->status) {
704 case SBP_DEV_ATTACHED:
705 SBP_DEBUG(0)
706 /* the device has gone */
707 sbp_show_sdev_info(sdev, 2);
708 kprintf("lost target\n");
709 END_DEBUG
710 #if 0
711 if (sdev->path) {
712 xpt_freeze_devq(sdev->path, 1);
713 sdev->freeze ++;
714 }
715 sdev->status = SBP_DEV_RETRY;
716 sbp_abort_all_ocbs(sdev, CAM_SCSI_BUS_RESET);
717 #endif
718 sbp_cam_detach_target(sdev->target);
719 sdev->status = SBP_DEV_RESET;
720 break;
721 case SBP_DEV_PROBE:
722 case SBP_DEV_TOATTACH:
723 sdev->status = SBP_DEV_RESET;
724 break;
725 case SBP_DEV_RETRY:
726 case SBP_DEV_RESET:
727 case SBP_DEV_DEAD:
728 break;
729 }
730 }
731 }
732 }
733
734 static void
735 sbp_post_busreset(void *arg)
736 {
737 struct sbp_softc *sbp;
738
739 sbp = (struct sbp_softc *)arg;
740 SBP_DEBUG(0)
741 kprintf("sbp_post_busreset\n");
742 END_DEBUG
743 if ((sbp->sim->flags & SIMQ_FREEZED) == 0) {
744 xpt_freeze_simq(sbp->sim, /*count*/1);
745 sbp->sim->flags |= SIMQ_FREEZED;
746 }
747 microtime(&sbp->last_busreset);
748 }
749
750 static void
751 sbp_post_explore(void *arg)
752 {
753 struct sbp_softc *sbp = (struct sbp_softc *)arg;
754 struct sbp_target *target;
755 struct fw_device *fwdev;
756 int i, alive;
757
758 SBP_DEBUG(0)
759 kprintf("sbp_post_explore\n");
760 END_DEBUG
761 #if 0
762 if (sbp_cold > 0)
763 sbp_cold --;
764 #endif
765
766 #if 0
767 /*
768 * XXX don't let CAM the bus rest.
769 * CAM tries to do something with freezed (DEV_RETRY) devices.
770 */
771 xpt_async(AC_BUS_RESET, sbp->path, /*arg*/ NULL);
772 #endif
773
774 /* Gabage Collection */
775 for(i = 0 ; i < SBP_NUM_TARGETS ; i ++){
776 target = &sbp->targets[i];
777 STAILQ_FOREACH(fwdev, &sbp->fd.fc->devices, link)
778 if (target->fwdev == NULL || target->fwdev == fwdev)
779 break;
780 if (fwdev == NULL) {
781 /* device has removed in lower driver */
782 sbp_cam_detach_target(target);
783 sbp_free_target(target);
784 }
785 }
786 /* traverse device list */
787 STAILQ_FOREACH(fwdev, &sbp->fd.fc->devices, link) {
788 SBP_DEBUG(0)
789 kprintf("sbp_post_explore: EUI:%08x%08x ",
790 fwdev->eui.hi, fwdev->eui.lo);
791 if (fwdev->status != FWDEVATTACHED)
792 kprintf("not attached, state=%d.\n", fwdev->status);
793 else
794 kprintf("attached\n");
795 END_DEBUG
796 alive = SBP_FWDEV_ALIVE(fwdev);
797 for(i = 0 ; i < SBP_NUM_TARGETS ; i ++){
798 target = &sbp->targets[i];
799 if(target->fwdev == fwdev ) {
800 /* known target */
801 break;
802 }
803 }
804 if(i == SBP_NUM_TARGETS){
805 if (alive) {
806 /* new target */
807 target = sbp_alloc_target(sbp, fwdev);
808 if (target == NULL)
809 continue;
810 } else {
811 continue;
812 }
813 }
814 sbp_probe_target((void *)target);
815 if (target->num_lun == 0)
816 sbp_free_target(target);
817 }
818 xpt_release_simq(sbp->sim, /*run queue*/TRUE);
819 sbp->sim->flags &= ~SIMQ_FREEZED;
820 }
821
822 #if NEED_RESPONSE
823 static void
824 sbp_loginres_callback(struct fw_xfer *xfer){
825 struct sbp_dev *sdev;
826 sdev = (struct sbp_dev *)xfer->sc;
827 SBP_DEBUG(1)
828 sbp_show_sdev_info(sdev, 2);
829 kprintf("sbp_loginres_callback\n");
830 END_DEBUG
831 /* recycle */
832 crit_enter();
833 STAILQ_INSERT_TAIL(&sdev->target->sbp->fwb.xferlist, xfer, link);
834 crit_exit();
835 return;
836 }
837 #endif
838
839 static __inline void
840 sbp_xfer_free(struct fw_xfer *xfer)
841 {
842 struct sbp_dev *sdev;
843
844 sdev = (struct sbp_dev *)xfer->sc;
845 fw_xfer_unload(xfer);
846 crit_enter();
847 STAILQ_INSERT_TAIL(&sdev->target->xferlist, xfer, link);
848 crit_exit();
849 }
850
851 static void
852 sbp_reset_start_callback(struct fw_xfer *xfer)
853 {
854 struct sbp_dev *tsdev, *sdev = (struct sbp_dev *)xfer->sc;
855 struct sbp_target *target = sdev->target;
856 int i;
857
858 if (xfer->resp != 0) {
859 sbp_show_sdev_info(sdev, 2);
860 kprintf("sbp_reset_start failed: resp=%d\n", xfer->resp);
861 }
862
863 for (i = 0; i < target->num_lun; i++) {
864 tsdev = target->luns[i];
865 if (tsdev != NULL && tsdev->status == SBP_DEV_LOGIN)
866 sbp_login(tsdev);
867 }
868 }
869
870 static void
871 sbp_reset_start(struct sbp_dev *sdev)
872 {
873 struct fw_xfer *xfer;
874 struct fw_pkt *fp;
875
876 SBP_DEBUG(0)
877 sbp_show_sdev_info(sdev, 2);
878 kprintf("sbp_reset_start\n");
879 END_DEBUG
880
881 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0);
882 xfer->act.hand = sbp_reset_start_callback;
883 fp = &xfer->send.hdr;
884 fp->mode.wreqq.dest_hi = 0xffff;
885 fp->mode.wreqq.dest_lo = 0xf0000000 | RESET_START;
886 fp->mode.wreqq.data = htonl(0xf);
887 fw_asyreq(xfer->fc, -1, xfer);
888 }
889
890 static void
891 sbp_mgm_callback(struct fw_xfer *xfer)
892 {
893 struct sbp_dev *sdev;
894 #if 0
895 int resp;
896 #endif
897
898 sdev = (struct sbp_dev *)xfer->sc;
899
900 SBP_DEBUG(1)
901 sbp_show_sdev_info(sdev, 2);
902 kprintf("sbp_mgm_callback\n");
903 END_DEBUG
904 #if 0
905 resp = xfer->resp;
906 #endif
907 sbp_xfer_free(xfer);
908 #if 0
909 if (resp != 0) {
910 sbp_show_sdev_info(sdev, 2);
911 kprintf("management ORB failed(%d) ... RESET_START\n", resp);
912 sbp_reset_start(sdev);
913 }
914 #endif
915 return;
916 }
917
918 static struct sbp_dev *
919 sbp_next_dev(struct sbp_target *target, int lun)
920 {
921 struct sbp_dev **sdevp;
922 int i;
923
924 for (i = lun, sdevp = &target->luns[lun]; i < target->num_lun;
925 i++, sdevp++)
926 if (*sdevp != NULL && (*sdevp)->status == SBP_DEV_PROBE)
927 return(*sdevp);
928 return(NULL);
929 }
930
931 #define SCAN_PRI 1
932 static void
933 sbp_cam_scan_lun(struct cam_periph *periph, union ccb *ccb)
934 {
935 struct sbp_target *target;
936 struct sbp_dev *sdev;
937
938 sdev = (struct sbp_dev *) ccb->ccb_h.ccb_sdev_ptr;
939 target = sdev->target;
940 SBP_DEBUG(0)
941 sbp_show_sdev_info(sdev, 2);
942 kprintf("sbp_cam_scan_lun\n");
943 END_DEBUG
944 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
945 sdev->status = SBP_DEV_ATTACHED;
946 } else {
947 sbp_show_sdev_info(sdev, 2);
948 kprintf("scan failed\n");
949 }
950 sdev = sbp_next_dev(target, sdev->lun_id + 1);
951 if (sdev == NULL) {
952 kfree(ccb, M_SBP);
953 return;
954 }
955 /* reuse ccb */
956 xpt_setup_ccb(&ccb->ccb_h, sdev->path, SCAN_PRI);
957 ccb->ccb_h.ccb_sdev_ptr = sdev;
958 xpt_action(ccb);
959 xpt_release_devq(sdev->path, sdev->freeze, TRUE);
960 sdev->freeze = 1;
961 }
962
963 static void
964 sbp_cam_scan_target(void *arg)
965 {
966 struct sbp_target *target = (struct sbp_target *)arg;
967 struct sbp_dev *sdev;
968 union ccb *ccb;
969
970 sdev = sbp_next_dev(target, 0);
971 if (sdev == NULL) {
972 kprintf("sbp_cam_scan_target: nothing to do for target%d\n",
973 target->target_id);
974 return;
975 }
976 SBP_DEBUG(0)
977 sbp_show_sdev_info(sdev, 2);
978 kprintf("sbp_cam_scan_target\n");
979 END_DEBUG
980 ccb = kmalloc(sizeof(union ccb), M_SBP, M_WAITOK | M_ZERO);
981 xpt_setup_ccb(&ccb->ccb_h, sdev->path, SCAN_PRI);
982 ccb->ccb_h.func_code = XPT_SCAN_LUN;
983 ccb->ccb_h.cbfcnp = sbp_cam_scan_lun;
984 ccb->ccb_h.flags |= CAM_DEV_QFREEZE;
985 ccb->crcn.flags = CAM_FLAG_NONE;
986 ccb->ccb_h.ccb_sdev_ptr = sdev;
987
988 /* The scan is in progress now. */
989 xpt_action(ccb);
990 xpt_release_devq(sdev->path, sdev->freeze, TRUE);
991 sdev->freeze = 1;
992 }
993
994 static __inline void
995 sbp_scan_dev(struct sbp_dev *sdev)
996 {
997 sdev->status = SBP_DEV_PROBE;
998 callout_reset(&sdev->target->scan_callout, scan_delay * hz / 1000,
999 sbp_cam_scan_target, (void *)sdev->target);
1000 }
1001
1002 static void
1003 sbp_do_attach(struct fw_xfer *xfer)
1004 {
1005 struct sbp_dev *sdev;
1006 struct sbp_target *target;
1007
1008 sdev = (struct sbp_dev *)xfer->sc;
1009 target = sdev->target;
1010 SBP_DEBUG(0)
1011 sbp_show_sdev_info(sdev, 2);
1012 kprintf("sbp_do_attach\n");
1013 END_DEBUG
1014 sbp_xfer_free(xfer);
1015
1016 if (sdev->path == NULL)
1017 xpt_create_path(&sdev->path, xpt_periph,
1018 cam_sim_path(target->sbp->sim),
1019 target->target_id, sdev->lun_id);
1020
1021 #if 0
1022 /*
1023 * Let CAM scan the bus if we are in the boot process.
1024 * XXX xpt_scan_bus cannot detect LUN larger than 0
1025 * if LUN 0 doesn't exists.
1026 */
1027 if (sbp_cold > 0) {
1028 sdev->status = SBP_DEV_ATTACHED;
1029 return;
1030 }
1031 #endif
1032
1033 sbp_scan_dev(sdev);
1034 return;
1035 }
1036
1037 static void
1038 sbp_agent_reset_callback(struct fw_xfer *xfer)
1039 {
1040 struct sbp_dev *sdev;
1041
1042 sdev = (struct sbp_dev *)xfer->sc;
1043 SBP_DEBUG(1)
1044 sbp_show_sdev_info(sdev, 2);
1045 kprintf("%s\n", __func__);
1046 END_DEBUG
1047 if (xfer->resp != 0) {
1048 sbp_show_sdev_info(sdev, 2);
1049 kprintf("%s: resp=%d\n", __func__, xfer->resp);
1050 }
1051
1052 sbp_xfer_free(xfer);
1053 if (sdev->path) {
1054 xpt_release_devq(sdev->path, sdev->freeze, TRUE);
1055 sdev->freeze = 0;
1056 }
1057 }
1058
1059 static void
1060 sbp_agent_reset(struct sbp_dev *sdev)
1061 {
1062 struct fw_xfer *xfer;
1063 struct fw_pkt *fp;
1064
1065 SBP_DEBUG(0)
1066 sbp_show_sdev_info(sdev, 2);
1067 kprintf("sbp_agent_reset\n");
1068 END_DEBUG
1069 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0x04);
1070 if (xfer == NULL)
1071 return;
1072 if (sdev->status == SBP_DEV_ATTACHED || sdev->status == SBP_DEV_PROBE)
1073 xfer->act.hand = sbp_agent_reset_callback;
1074 else
1075 xfer->act.hand = sbp_do_attach;
1076 fp = &xfer->send.hdr;
1077 fp->mode.wreqq.data = htonl(0xf);
1078 fw_asyreq(xfer->fc, -1, xfer);
1079 sbp_abort_all_ocbs(sdev, CAM_BDR_SENT);
1080 }
1081
1082 static void
1083 sbp_busy_timeout_callback(struct fw_xfer *xfer)
1084 {
1085 struct sbp_dev *sdev;
1086
1087 sdev = (struct sbp_dev *)xfer->sc;
1088 SBP_DEBUG(1)
1089 sbp_show_sdev_info(sdev, 2);
1090 kprintf("sbp_busy_timeout_callback\n");
1091 END_DEBUG
1092 sbp_xfer_free(xfer);
1093 sbp_agent_reset(sdev);
1094 }
1095
1096 static void
1097 sbp_busy_timeout(struct sbp_dev *sdev)
1098 {
1099 struct fw_pkt *fp;
1100 struct fw_xfer *xfer;
1101 SBP_DEBUG(0)
1102 sbp_show_sdev_info(sdev, 2);
1103 kprintf("sbp_busy_timeout\n");
1104 END_DEBUG
1105 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0);
1106
1107 xfer->act.hand = sbp_busy_timeout_callback;
1108 fp = &xfer->send.hdr;
1109 fp->mode.wreqq.dest_hi = 0xffff;
1110 fp->mode.wreqq.dest_lo = 0xf0000000 | BUSY_TIMEOUT;
1111 fp->mode.wreqq.data = htonl((1 << (13+12)) | 0xf);
1112 fw_asyreq(xfer->fc, -1, xfer);
1113 }
1114
1115 static void
1116 sbp_orb_pointer_callback(struct fw_xfer *xfer)
1117 {
1118 struct sbp_dev *sdev;
1119 sdev = (struct sbp_dev *)xfer->sc;
1120
1121 SBP_DEBUG(1)
1122 sbp_show_sdev_info(sdev, 2);
1123 kprintf("%s\n", __func__);
1124 END_DEBUG
1125 if (xfer->resp != 0) {
1126 /* XXX */
1127 kprintf("%s: xfer->resp = %d\n", __func__, xfer->resp);
1128 }
1129 sbp_xfer_free(xfer);
1130 sdev->flags &= ~ORB_POINTER_ACTIVE;
1131
1132 if ((sdev->flags & ORB_POINTER_NEED) != 0) {
1133 struct sbp_ocb *ocb;
1134
1135 sdev->flags &= ~ORB_POINTER_NEED;
1136 ocb = STAILQ_FIRST(&sdev->ocbs);
1137 if (ocb != NULL)
1138 sbp_orb_pointer(sdev, ocb);
1139 }
1140 return;
1141 }
1142
1143 static void
1144 sbp_orb_pointer(struct sbp_dev *sdev, struct sbp_ocb *ocb)
1145 {
1146 struct fw_xfer *xfer;
1147 struct fw_pkt *fp;
1148 SBP_DEBUG(1)
1149 sbp_show_sdev_info(sdev, 2);
1150 kprintf("%s: 0x%08x\n", __func__, (u_int32_t)ocb->bus_addr);
1151 END_DEBUG
1152
1153 if ((sdev->flags & ORB_POINTER_ACTIVE) != 0) {
1154 SBP_DEBUG(0)
1155 kprintf("%s: orb pointer active\n", __func__);
1156 END_DEBUG
1157 sdev->flags |= ORB_POINTER_NEED;
1158 return;
1159 }
1160
1161 sdev->flags |= ORB_POINTER_ACTIVE;
1162 xfer = sbp_write_cmd(sdev, FWTCODE_WREQB, 0x08);
1163 if (xfer == NULL)
1164 return;
1165 xfer->act.hand = sbp_orb_pointer_callback;
1166
1167 fp = &xfer->send.hdr;
1168 fp->mode.wreqb.len = 8;
1169 fp->mode.wreqb.extcode = 0;
1170 xfer->send.payload[0] =
1171 htonl(((sdev->target->sbp->fd.fc->nodeid | FWLOCALBUS )<< 16));
1172 xfer->send.payload[1] = htonl((u_int32_t)ocb->bus_addr);
1173
1174 if(fw_asyreq(xfer->fc, -1, xfer) != 0){
1175 sbp_xfer_free(xfer);
1176 ocb->ccb->ccb_h.status = CAM_REQ_INVALID;
1177 xpt_done(ocb->ccb);
1178 }
1179 }
1180
1181 #if 0
1182 static void
1183 sbp_cmd_callback(struct fw_xfer *xfer)
1184 {
1185 SBP_DEBUG(1)
1186 struct sbp_dev *sdev;
1187 sdev = (struct sbp_dev *)xfer->sc;
1188 sbp_show_sdev_info(sdev, 2);
1189 kprintf("sbp_cmd_callback\n");
1190 END_DEBUG
1191 if (xfer->resp != 0) {
1192 /* XXX */
1193 kprintf("%s: xfer->resp = %d\n", __func__, xfer->resp);
1194 }
1195 sbp_xfer_free(xfer);
1196 return;
1197 }
1198
1199 static void
1200 sbp_doorbell(struct sbp_dev *sdev)
1201 {
1202 struct fw_xfer *xfer;
1203 struct fw_pkt *fp;
1204 SBP_DEBUG(1)
1205 sbp_show_sdev_info(sdev, 2);
1206 kprintf("sbp_doorbell\n");
1207 END_DEBUG
1208
1209 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0x10);
1210 if (xfer == NULL)
1211 return;
1212 xfer->act.hand = sbp_cmd_callback;
1213 fp = (struct fw_pkt *)xfer->send.buf;
1214 fp->mode.wreqq.data = htonl(0xf);
1215 fw_asyreq(xfer->fc, -1, xfer);
1216 }
1217 #endif
1218
1219 static struct fw_xfer *
1220 sbp_write_cmd(struct sbp_dev *sdev, int tcode, int offset)
1221 {
1222 struct fw_xfer *xfer;
1223 struct fw_pkt *fp;
1224 struct sbp_target *target;
1225 int new = 0;
1226
1227 target = sdev->target;
1228 crit_enter();
1229 xfer = STAILQ_FIRST(&target->xferlist);
1230 if (xfer == NULL) {
1231 if (target->n_xfer > 5 /* XXX */) {
1232 kprintf("sbp: no more xfer for this target\n");
1233 crit_exit();
1234 return(NULL);
1235 }
1236 xfer = fw_xfer_alloc_buf(M_SBP, 8, 0);
1237 if(xfer == NULL){
1238 kprintf("sbp: fw_xfer_alloc_buf failed\n");
1239 crit_exit();
1240 return NULL;
1241 }
1242 target->n_xfer ++;
1243 if (debug)
1244 kprintf("sbp: alloc %d xfer\n", target->n_xfer);
1245 new = 1;
1246 } else {
1247 STAILQ_REMOVE_HEAD(&target->xferlist, link);
1248 }
1249 crit_exit();
1250
1251 microtime(&xfer->tv);
1252
1253 if (new) {
1254 xfer->recv.pay_len = 0;
1255 xfer->send.spd = min(sdev->target->fwdev->speed, max_speed);
1256 xfer->fc = sdev->target->sbp->fd.fc;
1257 xfer->retry_req = fw_asybusy;
1258 }
1259
1260 if (tcode == FWTCODE_WREQB)
1261 xfer->send.pay_len = 8;
1262 else
1263 xfer->send.pay_len = 0;
1264
1265 xfer->sc = (caddr_t)sdev;
1266 fp = &xfer->send.hdr;
1267 fp->mode.wreqq.dest_hi = sdev->login->cmd_hi;
1268 fp->mode.wreqq.dest_lo = sdev->login->cmd_lo + offset;
1269 fp->mode.wreqq.tlrt = 0;
1270 fp->mode.wreqq.tcode = tcode;
1271 fp->mode.wreqq.pri = 0;
1272 fp->mode.wreqq.dst = FWLOCALBUS | sdev->target->fwdev->dst;
1273
1274 return xfer;
1275
1276 }
1277
1278 static void
1279 sbp_mgm_orb(struct sbp_dev *sdev, int func, struct sbp_ocb *aocb)
1280 {
1281 struct fw_xfer *xfer;
1282 struct fw_pkt *fp;
1283 struct sbp_ocb *ocb;
1284 struct sbp_target *target;
1285 int nid;
1286
1287 target = sdev->target;
1288 nid = target->sbp->fd.fc->nodeid | FWLOCALBUS;
1289
1290 crit_enter();
1291 if (func == ORB_FUN_RUNQUEUE) {
1292 ocb = STAILQ_FIRST(&target->mgm_ocb_queue);
1293 if (target->mgm_ocb_cur != NULL || ocb == NULL) {
1294 crit_exit();
1295 return;
1296 }
1297 STAILQ_REMOVE_HEAD(&target->mgm_ocb_queue, ocb);
1298 goto start;
1299 }
1300 if ((ocb = sbp_get_ocb(sdev)) == NULL) {
1301 crit_exit();
1302 /* XXX */
1303 return;
1304 }
1305 ocb->flags = OCB_ACT_MGM;
1306 ocb->sdev = sdev;
1307
1308 bzero((void *)ocb->orb, sizeof(ocb->orb));
1309 ocb->orb[6] = htonl((nid << 16) | SBP_BIND_HI);
1310 ocb->orb[7] = htonl(SBP_DEV2ADDR(target->target_id, sdev->lun_id));
1311
1312 SBP_DEBUG(0)
1313 sbp_show_sdev_info(sdev, 2);
1314 kprintf("%s\n", orb_fun_name[(func>>16)&0xf]);
1315 END_DEBUG
1316 switch (func) {
1317 case ORB_FUN_LGI:
1318 ocb->orb[0] = ocb->orb[1] = 0; /* password */
1319 ocb->orb[2] = htonl(nid << 16);
1320 ocb->orb[3] = htonl(sdev->dma.bus_addr);
1321 ocb->orb[4] = htonl(ORB_NOTIFY | sdev->lun_id);
1322 if (ex_login)
1323 ocb->orb[4] |= htonl(ORB_EXV);
1324 ocb->orb[5] = htonl(SBP_LOGIN_SIZE);
1325 fwdma_sync(&sdev->dma, BUS_DMASYNC_PREREAD);
1326 break;
1327 case ORB_FUN_ATA:
1328 ocb->orb[0] = htonl((0 << 16) | 0);
1329 ocb->orb[1] = htonl(aocb->bus_addr & 0xffffffff);
1330 /* fall through */
1331 case ORB_FUN_RCN:
1332 case ORB_FUN_LGO:
1333 case ORB_FUN_LUR:
1334 case ORB_FUN_RST:
1335 case ORB_FUN_ATS:
1336 ocb->orb[4] = htonl(ORB_NOTIFY | func | sdev->login->id);
1337 break;
1338 }
1339
1340 if (target->mgm_ocb_cur != NULL) {
1341 /* there is a standing ORB */
1342 STAILQ_INSERT_TAIL(&sdev->target->mgm_ocb_queue, ocb, ocb);
1343 crit_exit();
1344 return;
1345 }
1346 start:
1347 target->mgm_ocb_cur = ocb;
1348 crit_exit();
1349
1350 callout_reset(&target->mgm_ocb_timeout, 5*hz,
1351 sbp_mgm_timeout, (caddr_t)ocb);
1352 xfer = sbp_write_cmd(sdev, FWTCODE_WREQB, 0);
1353 if(xfer == NULL){
1354 return;
1355 }
1356 xfer->act.hand = sbp_mgm_callback;
1357
1358 fp = &xfer->send.hdr;
1359 fp->mode.wreqb.dest_hi = sdev->target->mgm_hi;
1360 fp->mode.wreqb.dest_lo = sdev->target->mgm_lo;
1361 fp->mode.wreqb.len = 8;
1362 fp->mode.wreqb.extcode = 0;
1363 xfer->send.payload[0] = htonl(nid << 16);
1364 xfer->send.payload[1] = htonl(ocb->bus_addr & 0xffffffff);
1365 SBP_DEBUG(0)
1366 sbp_show_sdev_info(sdev, 2);
1367 kprintf("mgm orb: %08x\n", (u_int32_t)ocb->bus_addr);
1368 END_DEBUG
1369
1370 fw_asyreq(xfer->fc, -1, xfer);
1371 }
1372
1373 static void
1374 sbp_print_scsi_cmd(struct sbp_ocb *ocb)
1375 {
1376 struct ccb_scsiio *csio;
1377
1378 csio = &ocb->ccb->csio;
1379 kprintf("%s:%d:%d XPT_SCSI_IO: "
1380 "cmd: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x"
1381 ", flags: 0x%02x, "
1382 "%db cmd/%db data/%db sense\n",
1383 device_get_nameunit(ocb->sdev->target->sbp->fd.dev),
1384 ocb->ccb->ccb_h.target_id, ocb->ccb->ccb_h.target_lun,
1385 csio->cdb_io.cdb_bytes[0],
1386 csio->cdb_io.cdb_bytes[1],
1387 csio->cdb_io.cdb_bytes[2],
1388 csio->cdb_io.cdb_bytes[3],
1389 csio->cdb_io.cdb_bytes[4],
1390 csio->cdb_io.cdb_bytes[5],
1391 csio->cdb_io.cdb_bytes[6],
1392 csio->cdb_io.cdb_bytes[7],
1393 csio->cdb_io.cdb_bytes[8],
1394 csio->cdb_io.cdb_bytes[9],
1395 ocb->ccb->ccb_h.flags & CAM_DIR_MASK,
1396 csio->cdb_len, csio->dxfer_len,
1397 csio->sense_len);
1398 }
1399
1400 static void
1401 sbp_scsi_status(struct sbp_status *sbp_status, struct sbp_ocb *ocb)
1402 {
1403 struct sbp_cmd_status *sbp_cmd_status;
1404 struct scsi_sense_data *sense;
1405
1406 sbp_cmd_status = (struct sbp_cmd_status *)sbp_status->data;
1407 sense = &ocb->ccb->csio.sense_data;
1408
1409 SBP_DEBUG(0)
1410 sbp_print_scsi_cmd(ocb);
1411 /* XXX need decode status */
1412 sbp_show_sdev_info(ocb->sdev, 2);
1413 kprintf("SCSI status %x sfmt %x valid %x key %x code %x qlfr %x len %d\n",
1414 sbp_cmd_status->status,
1415 sbp_cmd_status->sfmt,
1416 sbp_cmd_status->valid,
1417 sbp_cmd_status->s_key,
1418 sbp_cmd_status->s_code,
1419 sbp_cmd_status->s_qlfr,
1420 sbp_status->len
1421 );
1422 END_DEBUG
1423
1424 switch (sbp_cmd_status->status) {
1425 case SCSI_STATUS_CHECK_COND:
1426 case SCSI_STATUS_BUSY:
1427 case SCSI_STATUS_CMD_TERMINATED:
1428 if(sbp_cmd_status->sfmt == SBP_SFMT_CURR){
1429 sense->error_code = SSD_CURRENT_ERROR;
1430 }else{
1431 sense->error_code = SSD_DEFERRED_ERROR;
1432 }
1433 if(sbp_cmd_status->valid)
1434 sense->error_code |= SSD_ERRCODE_VALID;
1435 sense->flags = sbp_cmd_status->s_key;
1436 if(sbp_cmd_status->mark)
1437 sense->flags |= SSD_FILEMARK;
1438 if(sbp_cmd_status->eom)
1439 sense->flags |= SSD_EOM;
1440 if(sbp_cmd_status->ill_len)
1441 sense->flags |= SSD_ILI;
1442
1443 bcopy(&sbp_cmd_status->info, &sense->info[0], 4);
1444
1445 if (sbp_status->len <= 1)
1446 /* XXX not scsi status. shouldn't be happened */
1447 sense->extra_len = 0;
1448 else if (sbp_status->len <= 4)
1449 /* add_sense_code(_qual), info, cmd_spec_info */
1450 sense->extra_len = 6;
1451 else
1452 /* fru, sense_key_spec */
1453 sense->extra_len = 10;
1454
1455 bcopy(&sbp_cmd_status->cdb, &sense->cmd_spec_info[0], 4);
1456
1457 sense->add_sense_code = sbp_cmd_status->s_code;
1458 sense->add_sense_code_qual = sbp_cmd_status->s_qlfr;
1459 sense->fru = sbp_cmd_status->fru;
1460
1461 bcopy(&sbp_cmd_status->s_keydep[0],
1462 &sense->sense_key_spec[0], 3);
1463
1464 ocb->ccb->csio.scsi_status = sbp_cmd_status->status;
1465 ocb->ccb->ccb_h.status = CAM_SCSI_STATUS_ERROR
1466 | CAM_AUTOSNS_VALID;
1467 /*
1468 {
1469 u_int8_t j, *tmp;
1470 tmp = sense;
1471 for( j = 0 ; j < 32 ; j+=8){
1472 kprintf("sense %02x%02x %02x%02x %02x%02x %02x%02x\n",
1473 tmp[j], tmp[j+1], tmp[j+2], tmp[j+3],
1474 tmp[j+4], tmp[j+5], tmp[j+6], tmp[j+7]);
1475 }
1476
1477 }
1478 */
1479 break;
1480 default:
1481 sbp_show_sdev_info(ocb->sdev, 2);
1482 kprintf("sbp_scsi_status: unknown scsi status 0x%x\n",
1483 sbp_cmd_status->status);
1484 }
1485 }
1486
1487 static void
1488 sbp_fix_inq_data(struct sbp_ocb *ocb)
1489 {
1490 union ccb *ccb;
1491 struct sbp_dev *sdev;
1492 struct scsi_inquiry_data *inq;
1493
1494 ccb = ocb->ccb;
1495 sdev = ocb->sdev;
1496
1497 if (ccb->csio.cdb_io.cdb_bytes[1] & SI_EVPD)
1498 return;
1499 SBP_DEBUG(1)
1500 sbp_show_sdev_info(sdev, 2);
1501 kprintf("sbp_fix_inq_data\n");
1502 END_DEBUG
1503 inq = (struct scsi_inquiry_data *) ccb->csio.data_ptr;
1504 switch (SID_TYPE(inq)) {
1505 case T_DIRECT:
1506 #if 0
1507 /*
1508 * XXX Convert Direct Access device to RBC.
1509 * I've never seen FireWire DA devices which support READ_6.
1510 */
1511 if (SID_TYPE(inq) == T_DIRECT)
1512 inq->device |= T_RBC; /* T_DIRECT == 0 */
1513 #endif
1514 /* fall through */
1515 case T_RBC:
1516 /* enable tagged queuing */
1517 if (sbp_tags)
1518 inq->flags |= SID_CmdQue;
1519 else
1520 inq->flags &= ~SID_CmdQue;
1521 /*
1522 * Override vendor/product/revision information.
1523 * Some devices sometimes return strange strings.
1524 */
1525 #if 1
1526 bcopy(sdev->vendor, inq->vendor, sizeof(inq->vendor));
1527 bcopy(sdev->product, inq->product, sizeof(inq->product));
1528 bcopy(sdev->revision+2, inq->revision, sizeof(inq->revision));
1529 #endif
1530 break;
1531 }
1532 }
1533
1534 static void
1535 sbp_recv1(struct fw_xfer *xfer)
1536 {
1537 struct fw_pkt *rfp;
1538 #if NEED_RESPONSE
1539 struct fw_pkt *sfp;
1540 #endif
1541 struct sbp_softc *sbp;
1542 struct sbp_dev *sdev;
1543 struct sbp_ocb *ocb;
1544 struct sbp_login_res *login_res = NULL;
1545 struct sbp_status *sbp_status;
1546 struct sbp_target *target;
1547 int orb_fun, status_valid0, status_valid, t, l, reset_agent = 0;
1548 u_int32_t addr;
1549 /*
1550 u_int32_t *ld;
1551 ld = xfer->recv.buf;
1552 kprintf("sbp %x %d %d %08x %08x %08x %08x\n",
1553 xfer->resp, xfer->recv.len, xfer->recv.off, ntohl(ld[0]), ntohl(ld[1]), ntohl(ld[2]), ntohl(ld[3]));
1554 kprintf("sbp %08x %08x %08x %08x\n", ntohl(ld[4]), ntohl(ld[5]), ntohl(ld[6]), ntohl(ld[7]));
1555 kprintf("sbp %08x %08x %08x %08x\n", ntohl(ld[8]), ntohl(ld[9]), ntohl(ld[10]), ntohl(ld[11]));
1556 */
1557 sbp = (struct sbp_softc *)xfer->sc;
1558 if (xfer->resp != 0){
1559 kprintf("sbp_recv: xfer->resp = %d\n", xfer->resp);
1560 goto done0;
1561 }
1562 if (xfer->recv.payload == NULL){
1563 kprintf("sbp_recv: xfer->recv.payload == NULL\n");
1564 goto done0;
1565 }
1566 rfp = &xfer->recv.hdr;
1567 if(rfp->mode.wreqb.tcode != FWTCODE_WREQB){
1568 kprintf("sbp_recv: tcode = %d\n", rfp->mode.wreqb.tcode);
1569 goto done0;
1570 }
1571 sbp_status = (struct sbp_status *)xfer->recv.payload;
1572 addr = rfp->mode.wreqb.dest_lo;
1573 SBP_DEBUG(2)
1574 kprintf("received address 0x%x\n", addr);
1575 END_DEBUG
1576 t = SBP_ADDR2TRG(addr);
1577 if (t >= SBP_NUM_TARGETS) {
1578 device_printf(sbp->fd.dev,
1579 "sbp_recv1: invalid target %d\n", t);
1580 goto done0;
1581 }
1582 target = &sbp->targets[t];
1583 l = SBP_ADDR2LUN(addr);
1584 if (l >= target->num_lun || target->luns[l] == NULL) {
1585 device_printf(sbp->fd.dev,
1586 "sbp_recv1: invalid lun %d (target=%d)\n", l, t);
1587 goto done0;
1588 }
1589 sdev = target->luns[l];
1590
1591 ocb = NULL;
1592 switch (sbp_status->src) {
1593 case 0:
1594 case 1:
1595 /* check mgm_ocb_cur first */
1596 ocb = target->mgm_ocb_cur;
1597 if (ocb != NULL) {
1598 if (OCB_MATCH(ocb, sbp_status)) {
1599 callout_stop(&target->mgm_ocb_timeout);
1600 target->mgm_ocb_cur = NULL;
1601 break;
1602 }
1603 }
1604 ocb = sbp_dequeue_ocb(sdev, sbp_status);
1605 if (ocb == NULL) {
1606 sbp_show_sdev_info(sdev, 2);
1607 kprintf("No ocb(%x) on the queue\n",
1608 ntohl(sbp_status->orb_lo));
1609 }
1610 break;
1611 case 2:
1612 /* unsolicit */
1613 sbp_show_sdev_info(sdev, 2);
1614 kprintf("unsolicit status received\n");
1615 break;
1616 default:
1617 sbp_show_sdev_info(sdev, 2);
1618 kprintf("unknown sbp_status->src\n");
1619 }
1620
1621 status_valid0 = (sbp_status->src < 2
1622 && sbp_status->resp == ORB_RES_CMPL
1623 && sbp_status->dead == 0);
1624 status_valid = (status_valid0 && sbp_status->status == 0);
1625
1626 if (!status_valid0 || debug > 2){
1627 int status;
1628 SBP_DEBUG(0)
1629 sbp_show_sdev_info(sdev, 2);
1630 kprintf("ORB status src:%x resp:%x dead:%x"
1631 " len:%x stat:%x orb:%x%08x\n",
1632 sbp_status->src, sbp_status->resp, sbp_status->dead,
1633 sbp_status->len, sbp_status->status,
1634 ntohs(sbp_status->orb_hi), ntohl(sbp_status->orb_lo));
1635 END_DEBUG
1636 sbp_show_sdev_info(sdev, 2);
1637 status = sbp_status->status;
1638 switch(sbp_status->resp) {
1639 case 0:
1640 if (status > MAX_ORB_STATUS0)
1641 kprintf("%s\n", orb_status0[MAX_ORB_STATUS0]);
1642 else
1643 kprintf("%s\n", orb_status0[status]);
1644 break;
1645 case 1:
1646 kprintf("Obj: %s, Error: %s\n",
1647 orb_status1_object[(status>>6) & 3],
1648 orb_status1_serial_bus_error[status & 0xf]);
1649 break;
1650 case 2:
1651 kprintf("Illegal request\n");
1652 break;
1653 case 3:
1654 kprintf("Vendor dependent\n");
1655 break;
1656 default:
1657 kprintf("unknown respose code %d\n", sbp_status->resp);
1658 }
1659 }
1660
1661 /* we have to reset the fetch agent if it's dead */
1662 if (sbp_status->dead) {
1663 if (sdev->path) {
1664 xpt_freeze_devq(sdev->path, 1);
1665 sdev->freeze ++;
1666 }
1667 reset_agent = 1;
1668 }
1669
1670 if (ocb == NULL)
1671 goto done;
1672
1673 switch(ntohl(ocb->orb[4]) & ORB_FMT_MSK){
1674 case ORB_FMT_NOP:
1675 break;
1676 case ORB_FMT_VED:
1677 break;
1678 case ORB_FMT_STD:
1679 switch(ocb->flags) {
1680 case OCB_ACT_MGM:
1681 orb_fun = ntohl(ocb->orb[4]) & ORB_FUN_MSK;
1682 reset_agent = 0;
1683 switch(orb_fun) {
1684 case ORB_FUN_LGI:
1685 fwdma_sync(&sdev->dma, BUS_DMASYNC_POSTREAD);
1686 login_res = sdev->login;
1687 login_res->len = ntohs(login_res->len);
1688 login_res->id = ntohs(login_res->id);
1689 login_res->cmd_hi = ntohs(login_res->cmd_hi);
1690 login_res->cmd_lo = ntohl(login_res->cmd_lo);
1691 if (status_valid) {
1692 SBP_DEBUG(0)
1693 sbp_show_sdev_info(sdev, 2);
1694 kprintf("login: len %d, ID %d, cmd %08x%08x, recon_hold %d\n", login_res->len, login_res->id, login_res->cmd_hi, login_res->cmd_lo, ntohs(login_res->recon_hold));
1695 END_DEBUG
1696 sbp_busy_timeout(sdev);
1697 } else {
1698 /* forgot logout? */
1699 sbp_show_sdev_info(sdev, 2);
1700 kprintf("login failed\n");
1701 sdev->status = SBP_DEV_RESET;
1702 }
1703 break;
1704 case ORB_FUN_RCN:
1705 login_res = sdev->login;
1706 if (status_valid) {
1707 SBP_DEBUG(0)
1708 sbp_show_sdev_info(sdev, 2);
1709 kprintf("reconnect: len %d, ID %d, cmd %08x%08x\n", login_res->len, login_res->id, login_res->cmd_hi, login_res->cmd_lo);
1710 END_DEBUG
1711 #if 1
1712 if (sdev->status == SBP_DEV_ATTACHED)
1713 sbp_scan_dev(sdev);
1714 else
1715 sbp_agent_reset(sdev);
1716 #else
1717 sdev->status = SBP_DEV_ATTACHED;
1718 sbp_mgm_orb(sdev, ORB_FUN_ATS, NULL);
1719 #endif
1720 } else {
1721 /* reconnection hold time exceed? */
1722 SBP_DEBUG(0)
1723 sbp_show_sdev_info(sdev, 2);
1724 kprintf("reconnect failed\n");
1725 END_DEBUG
1726 sbp_login(sdev);
1727 }
1728 break;
1729 case ORB_FUN_LGO:
1730 sdev->status = SBP_DEV_RESET;
1731 break;
1732 case ORB_FUN_RST:
1733 sbp_busy_timeout(sdev);
1734 break;
1735 case ORB_FUN_LUR:
1736 case ORB_FUN_ATA:
1737 case ORB_FUN_ATS:
1738 sbp_agent_reset(sdev);
1739 break;
1740 default:
1741 sbp_show_sdev_info(sdev, 2);
1742 kprintf("unknown function %d\n", orb_fun);
1743 break;
1744 }
1745 sbp_mgm_orb(sdev, ORB_FUN_RUNQUEUE, NULL);
1746 break;
1747 case OCB_ACT_CMD:
1748 sdev->timeout = 0;
1749 if(ocb->ccb != NULL){
1750 union ccb *ccb;
1751 /*
1752 u_int32_t *ld;
1753 ld = ocb->ccb->csio.data_ptr;
1754 if(ld != NULL && ocb->ccb->csio.dxfer_len != 0)
1755 kprintf("ptr %08x %08x %08x %08x\n", ld[0], ld[1], ld[2], ld[3]);
1756 else
1757 kprintf("ptr NULL\n");
1758 kprintf("len %d\n", sbp_status->len);
1759 */
1760 ccb = ocb->ccb;
1761 if(sbp_status->len > 1){
1762 sbp_scsi_status(sbp_status, ocb);
1763 }else{
1764 if(sbp_status->resp != ORB_RES_CMPL){
1765 ccb->ccb_h.status = CAM_REQ_CMP_ERR;
1766 }else{
1767 ccb->ccb_h.status = CAM_REQ_CMP;
1768 }
1769 }
1770 /* fix up inq data */
1771 if (ccb->csio.cdb_io.cdb_bytes[0] == INQUIRY)
1772 sbp_fix_inq_data(ocb);
1773 xpt_done(ccb);
1774 }
1775 break;
1776 default:
1777 break;
1778 }
1779 }
1780
1781 sbp_free_ocb(sdev, ocb);
1782 done:
1783 if (reset_agent)
1784 sbp_agent_reset(sdev);
1785
1786 done0:
1787 xfer->recv.pay_len = SBP_RECV_LEN;
1788 /* The received packet is usually small enough to be stored within
1789 * the buffer. In that case, the controller return ack_complete and
1790 * no respose is necessary.
1791 *
1792 * XXX fwohci.c and firewire.c should inform event_code such as
1793 * ack_complete or ack_pending to upper driver.
1794 */
1795 #if NEED_RESPONSE
1796 xfer->send.off = 0;
1797 sfp = (struct fw_pkt *)xfer->send.buf;
1798 sfp->mode.wres.dst = rfp->mode.wreqb.src;
1799 xfer->dst = sfp->mode.wres.dst;
1800 xfer->spd = min(sdev->target->fwdev->speed, max_speed);
1801 xfer->act.hand = sbp_loginres_callback;
1802 xfer->retry_req = fw_asybusy;
1803
1804 sfp->mode.wres.tlrt = rfp->mode.wreqb.tlrt;
1805 sfp->mode.wres.tcode = FWTCODE_WRES;
1806 sfp->mode.wres.rtcode = 0;
1807 sfp->mode.wres.pri = 0;
1808
1809 fw_asyreq(xfer->fc, -1, xfer);
1810 #else
1811 /* recycle */
1812 STAILQ_INSERT_TAIL(&sbp->fwb.xferlist, xfer, link);
1813 #endif
1814
1815 return;
1816
1817 }
1818
1819 static void
1820 sbp_recv(struct fw_xfer *xfer)
1821 {
1822 crit_enter();
1823 sbp_recv1(xfer);
1824 crit_exit();
1825 }
1826 /*
1827 * sbp_attach()
1828 */
1829 static int
1830 sbp_attach(device_t dev)
1831 {
1832 struct sbp_softc *sbp;
1833 struct cam_devq *devq;
1834 struct fw_xfer *xfer;
1835 int i, error;
1836
1837 SBP_DEBUG(0)
1838 kprintf("sbp_attach (cold=%d)\n", cold);
1839 END_DEBUG
1840
1841 #if 0
1842 if (cold)
1843 sbp_cold ++;
1844 #endif
1845 sbp = ((struct sbp_softc *)device_get_softc(dev));
1846 bzero(sbp, sizeof(struct sbp_softc));
1847 sbp->fd.dev = dev;
1848 sbp->fd.fc = device_get_ivars(dev);
1849
1850 if (max_speed < 0)
1851 max_speed = sbp->fd.fc->speed;
1852
1853 error = bus_dma_tag_create(/*parent*/sbp->fd.fc->dmat,
1854 /* XXX shoud be 4 for sane backend? */
1855 /*alignment*/1,
1856 /*boundary*/0,
1857 /*lowaddr*/BUS_SPACE_MAXADDR_32BIT,
1858 /*highaddr*/BUS_SPACE_MAXADDR,
1859 /*filter*/NULL, /*filterarg*/NULL,
1860 /*maxsize*/0x100000, /*nsegments*/SBP_IND_MAX,
1861 /*maxsegsz*/SBP_SEG_MAX,
1862 /*flags*/BUS_DMA_ALLOCNOW,
1863 #if defined(__FreeBSD__) && __FreeBSD_version >= 501102
1864 /*lockfunc*/busdma_lock_mutex,
1865 /*lockarg*/&Giant,
1866 #endif
1867 &sbp->dmat);
1868 if (error != 0) {
1869 kprintf("sbp_attach: Could not allocate DMA tag "
1870 "- error %d\n", error);
1871 return (ENOMEM);
1872 }
1873
1874 devq = cam_simq_alloc(/*maxopenings*/SBP_NUM_OCB);
1875 if (devq == NULL)
1876 return (ENXIO);
1877
1878 for( i = 0 ; i < SBP_NUM_TARGETS ; i++){
1879 sbp->targets[i].fwdev = NULL;
1880 sbp->targets[i].luns = NULL;
1881 }
1882
1883 sbp->sim = cam_sim_alloc(sbp_action, sbp_poll, "sbp", sbp,
1884 device_get_unit(dev),
1885 &sim_mplock,
1886 /*untagged*/ 1,
1887 /*tagged*/ SBP_QUEUE_LEN - 1,
1888 devq);
1889 cam_simq_release(devq);
1890 if (sbp->sim == NULL)
1891 return (ENXIO);
1892
1893 if (xpt_bus_register(sbp->sim, /*bus*/0) != CAM_SUCCESS)
1894 goto fail;
1895
1896 if (xpt_create_path(&sbp->path, xpt_periph, cam_sim_path(sbp->sim),
1897 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
1898 xpt_bus_deregister(cam_sim_path(sbp->sim));
1899 goto fail;
1900 }
1901
1902 /* We reserve 16 bit space (4 bytes X 64 targets X 256 luns) */
1903 sbp->fwb.start = ((u_int64_t)SBP_BIND_HI << 32) | SBP_DEV2ADDR(0, 0);
1904 sbp->fwb.end = sbp->fwb.start + 0xffff;
1905 sbp->fwb.act_type = FWACT_XFER;
1906 /* pre-allocate xfer */
1907 STAILQ_INIT(&sbp->fwb.xferlist);
1908 for (i = 0; i < SBP_NUM_OCB/2; i ++) {
1909 xfer = fw_xfer_alloc_buf(M_SBP,
1910 /* send */0,
1911 /* recv */SBP_RECV_LEN);
1912 xfer->act.hand = sbp_recv;
1913 #if NEED_RESPONSE
1914 xfer->fc = sbp->fd.fc;
1915 #endif
1916 xfer->sc = (caddr_t)sbp;
1917 STAILQ_INSERT_TAIL(&sbp->fwb.xferlist, xfer, link);
1918 }
1919 fw_bindadd(sbp->fd.fc, &sbp->fwb);
1920
1921 sbp->fd.post_busreset = sbp_post_busreset;
1922 sbp->fd.post_explore = sbp_post_explore;
1923
1924 if (sbp->fd.fc->status != -1) {
1925 crit_enter();
1926 sbp_post_busreset((void *)sbp);
1927 sbp_post_explore((void *)sbp);
1928 crit_exit();
1929 }
1930 xpt_async(AC_BUS_RESET, sbp->path, /*arg*/ NULL);
1931
1932 return (0);
1933 fail:
1934 cam_sim_free(sbp->sim);
1935 return (ENXIO);
1936 }
1937
1938 static int
1939 sbp_logout_all(struct sbp_softc *sbp)
1940 {
1941 struct sbp_target *target;
1942 struct sbp_dev *sdev;
1943 int i, j;
1944
1945 SBP_DEBUG(0)
1946 kprintf("sbp_logout_all\n");
1947 END_DEBUG
1948 for (i = 0 ; i < SBP_NUM_TARGETS ; i ++) {
1949 target = &sbp->targets[i];
1950 if (target->luns == NULL)
1951 continue;
1952 for (j = 0; j < target->num_lun; j++) {
1953 sdev = target->luns[j];
1954 if (sdev == NULL)
1955 continue;
1956 callout_stop(&sdev->login_callout);
1957 if (sdev->status >= SBP_DEV_TOATTACH &&
1958 sdev->status <= SBP_DEV_ATTACHED)
1959 sbp_mgm_orb(sdev, ORB_FUN_LGO, NULL);
1960 }
1961 }
1962
1963 return 0;
1964 }
1965
1966 static int
1967 sbp_shutdown(device_t dev)
1968 {
1969 struct sbp_softc *sbp = ((struct sbp_softc *)device_get_softc(dev));
1970
1971 sbp_logout_all(sbp);
1972 return (0);
1973 }
1974
1975 static void
1976 sbp_free_sdev(struct sbp_dev *sdev)
1977 {
1978 int i;
1979
1980 if (sdev == NULL)
1981 return;
1982 for (i = 0; i < SBP_QUEUE_LEN; i++)
1983 bus_dmamap_destroy(sdev->target->sbp->dmat,
1984 sdev->ocb[i].dmamap);
1985 fwdma_free(sdev->target->sbp->fd.fc, &sdev->dma);
1986 kfree(sdev, M_SBP);
1987 }
1988
1989 static void
1990 sbp_free_target(struct sbp_target *target)
1991 {
1992 struct fw_xfer *xfer, *next;
1993 int i;
1994
1995 if (target->luns == NULL)
1996 return;
1997 callout_stop(&target->mgm_ocb_timeout);
1998 for (i = 0; i < target->num_lun; i++)
1999 sbp_free_sdev(target->luns[i]);
2000
2001 for (xfer = STAILQ_FIRST(&target->xferlist);
2002 xfer != NULL; xfer = next) {
2003 next = STAILQ_NEXT(xfer, link);
2004 fw_xfer_free_buf(xfer);
2005 }
2006 STAILQ_INIT(&target->xferlist);
2007 kfree(target->luns, M_SBP);
2008 target->num_lun = 0;
2009 target->luns = NULL;
2010 target->fwdev = NULL;
2011 }
2012
2013 static int
2014 sbp_detach(device_t dev)
2015 {
2016 struct sbp_softc *sbp = ((struct sbp_softc *)device_get_softc(dev));
2017 struct firewire_comm *fc = sbp->fd.fc;
2018 struct fw_xfer *xfer, *next;
2019 int i;
2020
2021 SBP_DEBUG(0)
2022 kprintf("sbp_detach\n");
2023 END_DEBUG
2024
2025 for (i = 0; i < SBP_NUM_TARGETS; i ++)
2026 sbp_cam_detach_target(&sbp->targets[i]);
2027 xpt_async(AC_LOST_DEVICE, sbp->path, NULL);
2028 xpt_free_path(sbp->path);
2029 xpt_bus_deregister(cam_sim_path(sbp->sim));
2030 cam_sim_free(sbp->sim);
2031
2032 sbp_logout_all(sbp);
2033
2034 /* XXX wait for logout completion */
2035 tsleep(&i, FWPRI, "sbpdtc", hz/2);
2036
2037 for (i = 0 ; i < SBP_NUM_TARGETS ; i ++)
2038 sbp_free_target(&sbp->targets[i]);
2039
2040 for (xfer = STAILQ_FIRST(&sbp->fwb.xferlist);
2041 xfer != NULL; xfer = next) {
2042 next = STAILQ_NEXT(xfer, link);
2043 fw_xfer_free_buf(xfer);
2044 }
2045 STAILQ_INIT(&sbp->fwb.xferlist);
2046 fw_bindremove(fc, &sbp->fwb);
2047
2048 bus_dma_tag_destroy(sbp->dmat);
2049
2050 return (0);
2051 }
2052
2053 static void
2054 sbp_cam_detach_sdev(struct sbp_dev *sdev)
2055 {
2056 if (sdev == NULL)
2057 return;
2058 if (sdev->status == SBP_DEV_DEAD)
2059 return;
2060 if (sdev->status == SBP_DEV_RESET)
2061 return;
2062 if (sdev->path) {
2063 xpt_release_devq(sdev->path,
2064 sdev->freeze, TRUE);
2065 sdev->freeze = 0;
2066 xpt_async(AC_LOST_DEVICE, sdev->path, NULL);
2067 xpt_free_path(sdev->path);
2068 sdev->path = NULL;
2069 }
2070 sbp_abort_all_ocbs(sdev, CAM_DEV_NOT_THERE);
2071 }
2072
2073 static void
2074 sbp_cam_detach_target(struct sbp_target *target)
2075 {
2076 int i;
2077
2078 if (target->luns != NULL) {
2079 SBP_DEBUG(0)
2080 kprintf("sbp_detach_target %d\n", target->target_id);
2081 END_DEBUG
2082 callout_stop(&target->scan_callout);
2083 for (i = 0; i < target->num_lun; i++)
2084 sbp_cam_detach_sdev(target->luns[i]);
2085 }
2086 }
2087
2088 static void
2089 sbp_target_reset(struct sbp_dev *sdev, int method)
2090 {
2091 int i;
2092 struct sbp_target *target = sdev->target;
2093 struct sbp_dev *tsdev;
2094
2095 for (i = 0; i < target->num_lun; i++) {
2096 tsdev = target->luns[i];
2097 if (tsdev == NULL)
2098 continue;
2099 if (tsdev->status == SBP_DEV_DEAD)
2100 continue;
2101 if (tsdev->status == SBP_DEV_RESET)
2102 continue;
2103 xpt_freeze_devq(tsdev->path, 1);
2104 tsdev->freeze ++;
2105 sbp_abort_all_ocbs(tsdev, CAM_CMD_TIMEOUT);
2106 if (method == 2)
2107 tsdev->status = SBP_DEV_LOGIN;
2108 }
2109 switch(method) {
2110 case 1:
2111 kprintf("target reset\n");
2112 sbp_mgm_orb(sdev, ORB_FUN_RST, NULL);
2113 break;
2114 case 2:
2115 kprintf("reset start\n");
2116 sbp_reset_start(sdev);
2117 break;
2118 }
2119
2120 }
2121
2122 static void
2123 sbp_mgm_timeout(void *arg)
2124 {
2125 struct sbp_ocb *ocb = (struct sbp_ocb *)arg;
2126 struct sbp_dev *sdev = ocb->sdev;
2127 struct sbp_target *target = sdev->target;
2128
2129 sbp_show_sdev_info(sdev, 2);
2130 kprintf("request timeout(mgm orb:0x%08x) ... ",
2131 (u_int32_t)ocb->bus_addr);
2132 target->mgm_ocb_cur = NULL;
2133 sbp_free_ocb(sdev, ocb);
2134 #if 0
2135 /* XXX */
2136 kprintf("run next request\n");
2137 sbp_mgm_orb(sdev, ORB_FUN_RUNQUEUE, NULL);
2138 #endif
2139 #if 1
2140 kprintf("reset start\n");
2141 sbp_reset_start(sdev);
2142 #endif
2143 }
2144
2145 static void
2146 sbp_timeout(void *arg)
2147 {
2148 struct sbp_ocb *ocb = (struct sbp_ocb *)arg;
2149 struct sbp_dev *sdev = ocb->sdev;
2150
2151 sbp_show_sdev_info(sdev, 2);
2152 kprintf("request timeout(cmd orb:0x%08x) ... ",
2153 (u_int32_t)ocb->bus_addr);
2154
2155 sdev->timeout ++;
2156 switch(sdev->timeout) {
2157 case 1:
2158 kprintf("agent reset\n");
2159 xpt_freeze_devq(sdev->path, 1);
2160 sdev->freeze ++;
2161 sbp_abort_all_ocbs(sdev, CAM_CMD_TIMEOUT);
2162 sbp_agent_reset(sdev);
2163 break;
2164 case 2:
2165 case 3:
2166 sbp_target_reset(sdev, sdev->timeout - 1);
2167 break;
2168 #if 0
2169 default:
2170 /* XXX give up */
2171 sbp_cam_detach_target(target);
2172 if (target->luns != NULL)
2173 kfree(target->luns, M_SBP);
2174 target->num_lun = 0;
2175 target->luns = NULL;
2176 target->fwdev = NULL;
2177 #endif
2178 }
2179 }
2180
2181 static void
2182 sbp_action1(struct cam_sim *sim, union ccb *ccb)
2183 {
2184
2185 struct sbp_softc *sbp = (struct sbp_softc *)sim->softc;
2186 struct sbp_target *target = NULL;
2187 struct sbp_dev *sdev = NULL;
2188
2189 /* target:lun -> sdev mapping */
2190 if (sbp != NULL
2191 && ccb->ccb_h.target_id != CAM_TARGET_WILDCARD
2192 && ccb->ccb_h.target_id < SBP_NUM_TARGETS) {
2193 target = &sbp->targets[ccb->ccb_h.target_id];
2194 if (target->fwdev != NULL
2195 && ccb->ccb_h.target_lun != CAM_LUN_WILDCARD
2196 && ccb->ccb_h.target_lun < target->num_lun) {
2197 sdev = target->luns[ccb->ccb_h.target_lun];
2198 if (sdev != NULL && sdev->status != SBP_DEV_ATTACHED &&
2199 sdev->status != SBP_DEV_PROBE)
2200 sdev = NULL;
2201 }
2202 }
2203
2204 SBP_DEBUG(1)
2205 if (sdev == NULL)
2206 kprintf("invalid target %d lun %d\n",
2207 ccb->ccb_h.target_id, ccb->ccb_h.target_lun);
2208 END_DEBUG
2209
2210 switch (ccb->ccb_h.func_code) {
2211 case XPT_SCSI_IO:
2212 case XPT_RESET_DEV:
2213 case XPT_GET_TRAN_SETTINGS:
2214 case XPT_SET_TRAN_SETTINGS:
2215 case XPT_CALC_GEOMETRY:
2216 if (sdev == NULL) {
2217 SBP_DEBUG(1)
2218 kprintf("%s:%d:%d:func_code 0x%04x: "
2219 "Invalid target (target needed)\n",
2220 device_get_nameunit(sbp->fd.dev),
2221 ccb->ccb_h.target_id, ccb->ccb_h.target_lun,
2222 ccb->ccb_h.func_code);
2223 END_DEBUG
2224
2225 ccb->ccb_h.status = CAM_DEV_NOT_THERE;
2226 xpt_done(ccb);
2227 return;
2228 }
2229 break;
2230 case XPT_PATH_INQ:
2231 case XPT_NOOP:
2232 /* The opcodes sometimes aimed at a target (sc is valid),
2233 * sometimes aimed at the SIM (sc is invalid and target is
2234 * CAM_TARGET_WILDCARD)
2235 */
2236 if (sbp == NULL &&
2237 ccb->ccb_h.target_id != CAM_TARGET_WILDCARD) {
2238 SBP_DEBUG(0)
2239 kprintf("%s:%d:%d func_code 0x%04x: "
2240 "Invalid target (no wildcard)\n",
2241 device_get_nameunit(sbp->fd.dev),
2242 ccb->ccb_h.target_id, ccb->ccb_h.target_lun,
2243 ccb->ccb_h.func_code);
2244 END_DEBUG
2245 ccb->ccb_h.status = CAM_DEV_NOT_THERE;
2246 xpt_done(ccb);
2247 return;
2248 }
2249 break;
2250 default:
2251 /* XXX Hm, we should check the input parameters */
2252 break;
2253 }
2254
2255 switch (ccb->ccb_h.func_code) {
2256 case XPT_SCSI_IO:
2257 {
2258 struct ccb_scsiio *csio;
2259 struct sbp_ocb *ocb;
2260 int speed;
2261 void *cdb;
2262
2263 csio = &ccb->csio;
2264
2265 SBP_DEBUG(2)
2266 kprintf("%s:%d:%d XPT_SCSI_IO: "
2267 "cmd: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x"
2268 ", flags: 0x%02x, "
2269 "%db cmd/%db data/%db sense\n",
2270 device_get_nameunit(sbp->fd.dev),
2271 ccb->ccb_h.target_id, ccb->ccb_h.target_lun,
2272 csio->cdb_io.cdb_bytes[0],
2273 csio->cdb_io.cdb_bytes[1],
2274 csio->cdb_io.cdb_bytes[2],
2275 csio->cdb_io.cdb_bytes[3],
2276 csio->cdb_io.cdb_bytes[4],
2277 csio->cdb_io.cdb_bytes[5],
2278 csio->cdb_io.cdb_bytes[6],
2279 csio->cdb_io.cdb_bytes[7],
2280 csio->cdb_io.cdb_bytes[8],
2281 csio->cdb_io.cdb_bytes[9],
2282 ccb->ccb_h.flags & CAM_DIR_MASK,
2283 csio->cdb_len, csio->dxfer_len,
2284 csio->sense_len);
2285 END_DEBUG
2286 if(sdev == NULL){
2287 ccb->ccb_h.status = CAM_DEV_NOT_THERE;
2288 xpt_done(ccb);
2289 return;
2290 }
2291 #if 0
2292 /* if we are in probe stage, pass only probe commands */
2293 if (sdev->status == SBP_DEV_PROBE) {
2294 char *name;
2295 name = xpt_path_periph(ccb->ccb_h.path)->periph_name;
2296 kprintf("probe stage, periph name: %s\n", name);
2297 if (strcmp(name, "probe") != 0) {
2298 ccb->ccb_h.status = CAM_REQUEUE_REQ;
2299 xpt_done(ccb);
2300 return;
2301 }
2302 }
2303 #endif
2304 if ((ocb = sbp_get_ocb(sdev)) == NULL) {
2305 ccb->ccb_h.status = CAM_REQUEUE_REQ;
2306 xpt_done(ccb);
2307 return;
2308 }
2309
2310 ocb->flags = OCB_ACT_CMD;
2311 ocb->sdev = sdev;
2312 ocb->ccb = ccb;
2313 ccb->ccb_h.ccb_sdev_ptr = sdev;
2314 ocb->orb[0] = htonl(1 << 31);
2315 ocb->orb[1] = 0;
2316 ocb->orb[2] = htonl(((sbp->fd.fc->nodeid | FWLOCALBUS )<< 16) );
2317 ocb->orb[3] = htonl(ocb->bus_addr + IND_PTR_OFFSET);
2318 speed = min(target->fwdev->speed, max_speed);
2319 ocb->orb[4] = htonl(ORB_NOTIFY | ORB_CMD_SPD(speed)
2320 | ORB_CMD_MAXP(speed + 7));
2321 if((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN){
2322 ocb->orb[4] |= htonl(ORB_CMD_IN);
2323 }
2324
2325 if (csio->ccb_h.flags & CAM_SCATTER_VALID)
2326 kprintf("sbp: CAM_SCATTER_VALID\n");
2327 if (csio->ccb_h.flags & CAM_DATA_PHYS)
2328 kprintf("sbp: CAM_DATA_PHYS\n");
2329
2330 if (csio->ccb_h.flags & CAM_CDB_POINTER)
2331 cdb = (void *)csio->cdb_io.cdb_ptr;
2332 else
2333 cdb = (void *)&csio->cdb_io.cdb_bytes;
2334 bcopy(cdb, (void *)&ocb->orb[5], csio->cdb_len);
2335 /*
2336 kprintf("ORB %08x %08x %08x %08x\n", ntohl(ocb->orb[0]), ntohl(ocb->orb[1]), ntohl(ocb->orb[2]), ntohl(ocb->orb[3]));
2337 kprintf("ORB %08x %08x %08x %08x\n", ntohl(ocb->orb[4]), ntohl(ocb->orb[5]), ntohl(ocb->orb[6]), ntohl(ocb->orb[7]));
2338 */
2339 if (ccb->csio.dxfer_len > 0) {
2340 int error;
2341
2342 crit_enter();
2343 error = bus_dmamap_load(/*dma tag*/sbp->dmat,
2344 /*dma map*/ocb->dmamap,
2345 ccb->csio.data_ptr,
2346 ccb->csio.dxfer_len,
2347 sbp_execute_ocb,
2348 ocb,
2349 /*flags*/0);
2350 crit_exit();
2351 if (error)
2352 kprintf("sbp: bus_dmamap_load error %d\n", error);
2353 } else
2354 sbp_execute_ocb(ocb, NULL, 0, 0);
2355 break;
2356 }
2357 case XPT_CALC_GEOMETRY:
2358 {
2359 struct ccb_calc_geometry *ccg;
2360 #if defined(__DragonFly__) || __FreeBSD_version < 501100
2361 u_int32_t size_mb;
2362 u_int32_t secs_per_cylinder;
2363 int extended = 1;
2364 #endif
2365
2366 ccg = &ccb->ccg;
2367 if (ccg->block_size == 0) {
2368 kprintf("sbp_action1: block_size is 0.\n");
2369 ccb->ccb_h.status = CAM_REQ_INVALID;
2370 xpt_done(ccb);
2371 break;
2372 }
2373 SBP_DEBUG(1)
2374 kprintf("%s:%d:%d:%d:XPT_CALC_GEOMETRY: Volume size = %ju\n",
2375 device_get_nameunit(sbp->fd.dev),
2376 cam_sim_path(sbp->sim),
2377 ccb->ccb_h.target_id, ccb->ccb_h.target_lun,
2378 (uintmax_t)ccg->volume_size);
2379 END_DEBUG
2380
2381 #if defined(__DragonFly__) || __FreeBSD_version < 501100
2382 size_mb = ccg->volume_size
2383 / ((1024L * 1024L) / ccg->block_size);
2384
2385 if (size_mb > 1024 && extended) {
2386 ccg->heads = 255;
2387 ccg->secs_per_track = 63;
2388 } else {
2389 ccg->heads = 64;
2390 ccg->secs_per_track = 32;
2391 }
2392 secs_per_cylinder = ccg->heads * ccg->secs_per_track;
2393 ccg->cylinders = ccg->volume_size / secs_per_cylinder;
2394 ccb->ccb_h.status = CAM_REQ_CMP;
2395 #else
2396 cam_calc_geometry(ccg, /*extended*/1);
2397 #endif
2398 xpt_done(ccb);
2399 break;
2400 }
2401 case XPT_RESET_BUS: /* Reset the specified SCSI bus */
2402 {
2403
2404 SBP_DEBUG(1)
2405 kprintf("%s:%d:XPT_RESET_BUS: \n",
2406 device_get_nameunit(sbp->fd.dev), cam_sim_path(sbp->sim));
2407 END_DEBUG
2408
2409 ccb->ccb_h.status = CAM_REQ_INVALID;
2410 xpt_done(ccb);
2411 break;
2412 }
2413 case XPT_PATH_INQ: /* Path routing inquiry */
2414 {
2415 struct ccb_pathinq *cpi = &ccb->cpi;
2416
2417 SBP_DEBUG(1)
2418 kprintf("%s:%d:%d XPT_PATH_INQ:.\n",
2419 device_get_nameunit(sbp->fd.dev),
2420 ccb->ccb_h.target_id, ccb->ccb_h.target_lun);
2421 END_DEBUG
2422 cpi->version_num = 1; /* XXX??? */
2423 cpi->hba_inquiry = PI_TAG_ABLE;
2424 cpi->target_sprt = 0;
2425 cpi->hba_misc = PIM_NOBUSRESET | PIM_NO_6_BYTE;
2426 cpi->hba_eng_cnt = 0;
2427 cpi->max_target = SBP_NUM_TARGETS - 1;
2428 cpi->max_lun = SBP_NUM_LUNS - 1;
2429 cpi->initiator_id = SBP_INITIATOR;
2430 cpi->bus_id = sim->bus_id;
2431 cpi->base_transfer_speed = 400 * 1000 / 8;
2432 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
2433 strncpy(cpi->hba_vid, "SBP", HBA_IDLEN);
2434 strncpy(cpi->dev_name, sim->sim_name, DEV_IDLEN);
2435 cpi->unit_number = sim->unit_number;
2436 cpi->transport = XPORT_SPI; /* XX should have a FireWire */
2437 cpi->transport_version = 2;
2438 cpi->protocol = PROTO_SCSI;
2439 cpi->protocol_version = SCSI_REV_2;
2440 cpi->maxio = SBP_MAXPHYS;
2441
2442 cpi->ccb_h.status = CAM_REQ_CMP;
2443 xpt_done(ccb);
2444 break;
2445 }
2446 case XPT_GET_TRAN_SETTINGS:
2447 {
2448 struct ccb_trans_settings *cts = &ccb->cts;
2449 struct ccb_trans_settings_scsi *scsi =
2450 &cts->proto_specific.scsi;
2451 struct ccb_trans_settings_spi *spi =
2452 &cts->xport_specific.spi;
2453
2454 cts->protocol = PROTO_SCSI;
2455 cts->protocol_version = SCSI_REV_2;
2456 cts->transport = XPORT_SPI; /* should have a FireWire */
2457 cts->transport_version = 2;
2458 spi->valid = CTS_SPI_VALID_DISC;
2459 spi->flags = CTS_SPI_FLAGS_DISC_ENB;
2460 scsi->valid = CTS_SCSI_VALID_TQ;
2461 scsi->flags = CTS_SCSI_FLAGS_TAG_ENB;
2462 SBP_DEBUG(1)
2463 kprintf("%s:%d:%d XPT_GET_TRAN_SETTINGS:.\n",
2464 device_get_nameunit(sbp->fd.dev),
2465 ccb->ccb_h.target_id, ccb->ccb_h.target_lun);
2466 END_DEBUG
2467 cts->ccb_h.status = CAM_REQ_CMP;
2468 xpt_done(ccb);
2469 break;
2470 }
2471 case XPT_ABORT:
2472 ccb->ccb_h.status = CAM_UA_ABORT;
2473 xpt_done(ccb);
2474 break;
2475 case XPT_SET_TRAN_SETTINGS:
2476 /* XXX */
2477 default:
2478 ccb->ccb_h.status = CAM_REQ_INVALID;
2479 xpt_done(ccb);
2480 break;
2481 }
2482 return;
2483 }
2484
2485 static void
2486 sbp_action(struct cam_sim *sim, union ccb *ccb)
2487 {
2488 crit_enter();
2489 sbp_action1(sim, ccb);
2490 crit_exit();
2491 }
2492
2493 static void
2494 sbp_execute_ocb(void *arg, bus_dma_segment_t *segments, int seg, int error)
2495 {
2496 int i;
2497 struct sbp_ocb *ocb;
2498 struct sbp_ocb *prev;
2499 bus_dma_segment_t *s;
2500
2501 if (error)
2502 kprintf("sbp_execute_ocb: error=%d\n", error);
2503
2504 ocb = (struct sbp_ocb *)arg;
2505
2506 SBP_DEBUG(2)
2507 kprintf("sbp_execute_ocb: seg %d", seg);
2508 for (i = 0; i < seg; i++)
2509 kprintf(", %jx:%jd", (uintmax_t)segments[i].ds_addr,
2510 (uintmax_t)segments[i].ds_len);
2511 kprintf("\n");
2512 END_DEBUG
2513
2514 if (seg == 1) {
2515 /* direct pointer */
2516 s = &segments[0];
2517 if (s->ds_len > SBP_SEG_MAX)
2518 panic("ds_len > SBP_SEG_MAX, fix busdma code");
2519 ocb->orb[3] = htonl(s->ds_addr);
2520 ocb->orb[4] |= htonl(s->ds_len);
2521 } else if(seg > 1) {
2522 /* page table */
2523 for (i = 0; i < seg; i++) {
2524 s = &segments[i];
2525 SBP_DEBUG(0)
2526 /* XXX LSI Logic "< 16 byte" bug might be hit */
2527 if (s->ds_len < 16)
2528 kprintf("sbp_execute_ocb: warning, "
2529 "segment length(%zd) is less than 16."
2530 "(seg=%d/%jd)\n",
2531 (size_t)s->ds_len, i+1, (intmax_t)seg);
2532 END_DEBUG
2533 if (s->ds_len > SBP_SEG_MAX)
2534 panic("ds_len > SBP_SEG_MAX, fix busdma code");
2535 ocb->ind_ptr[i].hi = htonl(s->ds_len << 16);
2536 ocb->ind_ptr[i].lo = htonl(s->ds_addr);
2537 }
2538 ocb->orb[4] |= htonl(ORB_CMD_PTBL | seg);
2539 }
2540
2541 if (seg > 0)
2542 bus_dmamap_sync(ocb->sdev->target->sbp->dmat, ocb->dmamap,
2543 (ntohl(ocb->orb[4]) & ORB_CMD_IN) ?
2544 BUS_DMASYNC_PREREAD : BUS_DMASYNC_PREWRITE);
2545 prev = sbp_enqueue_ocb(ocb->sdev, ocb);
2546 fwdma_sync(&ocb->sdev->dma, BUS_DMASYNC_PREWRITE);
2547 if (prev == NULL || (ocb->sdev->flags & ORB_LINK_DEAD) != 0) {
2548 ocb->sdev->flags &= ~ORB_LINK_DEAD;
2549 sbp_orb_pointer(ocb->sdev, ocb);
2550 }
2551 }
2552
2553 static void
2554 sbp_poll(struct cam_sim *sim)
2555 {
2556 struct sbp_softc *sbp;
2557 struct firewire_comm *fc;
2558
2559 sbp = (struct sbp_softc *)sim->softc;
2560 fc = sbp->fd.fc;
2561
2562 fc->poll(fc, 0, -1);
2563
2564 return;
2565 }
2566
2567 static struct sbp_ocb *
2568 sbp_dequeue_ocb(struct sbp_dev *sdev, struct sbp_status *sbp_status)
2569 {
2570 struct sbp_ocb *ocb;
2571 struct sbp_ocb *next;
2572 int order = 0;
2573
2574 crit_enter();
2575
2576 SBP_DEBUG(1)
2577 sbp_show_sdev_info(sdev, 2);
2578 kprintf("%s: 0x%08x src %d\n",
2579 __func__, ntohl(sbp_status->orb_lo), sbp_status->src);
2580 END_DEBUG
2581 for (ocb = STAILQ_FIRST(&sdev->ocbs); ocb != NULL; ocb = next) {
2582 next = STAILQ_NEXT(ocb, ocb);
2583 if (OCB_MATCH(ocb, sbp_status)) {
2584 /* found */
2585 STAILQ_REMOVE(&sdev->ocbs, ocb, sbp_ocb, ocb);
2586 if (ocb->ccb != NULL)
2587 callout_stop(&ocb->ccb->ccb_h.timeout_ch);
2588 if (ntohl(ocb->orb[4]) & 0xffff) {
2589 bus_dmamap_sync(sdev->target->sbp->dmat,
2590 ocb->dmamap,
2591 (ntohl(ocb->orb[4]) & ORB_CMD_IN) ?
2592 BUS_DMASYNC_POSTREAD :
2593 BUS_DMASYNC_POSTWRITE);
2594 bus_dmamap_unload(sdev->target->sbp->dmat,
2595 ocb->dmamap);
2596 }
2597 if (sbp_status->src == SRC_NO_NEXT) {
2598 if (next != NULL)
2599 sbp_orb_pointer(sdev, next);
2600 else if (order > 0) {
2601 /*
2602 * Unordered execution
2603 * We need to send pointer for
2604 * next ORB
2605 */
2606 sdev->flags |= ORB_LINK_DEAD;
2607 }
2608 }
2609 break;
2610 } else
2611 order ++;
2612 }
2613 crit_exit();
2614 SBP_DEBUG(0)
2615 if (ocb && order > 0) {
2616 sbp_show_sdev_info(sdev, 2);
2617 kprintf("unordered execution order:%d\n", order);
2618 }
2619 END_DEBUG
2620 return (ocb);
2621 }
2622
2623 static struct sbp_ocb *
2624 sbp_enqueue_ocb(struct sbp_dev *sdev, struct sbp_ocb *ocb)
2625 {
2626 struct sbp_ocb *prev;
2627
2628 crit_enter();
2629
2630 SBP_DEBUG(1)
2631 sbp_show_sdev_info(sdev, 2);
2632 kprintf("%s: 0x%08jx\n", __func__, (uintmax_t)ocb->bus_addr);
2633 END_DEBUG
2634 prev = STAILQ_LAST(&sdev->ocbs, sbp_ocb, ocb);
2635 STAILQ_INSERT_TAIL(&sdev->ocbs, ocb, ocb);
2636
2637 if (ocb->ccb != NULL)
2638 callout_reset(&ocb->ccb->ccb_h.timeout_ch,
2639 (ocb->ccb->ccb_h.timeout * hz) / 1000, sbp_timeout, ocb);
2640
2641 if (prev != NULL) {
2642 SBP_DEBUG(2)
2643 kprintf("linking chain 0x%jx -> 0x%jx\n",
2644 (uintmax_t)prev->bus_addr, (uintmax_t)ocb->bus_addr);
2645 END_DEBUG
2646 prev->orb[1] = htonl(ocb->bus_addr);
2647 prev->orb[0] = 0;
2648 }
2649 crit_exit();
2650
2651 return prev;
2652 }
2653
2654 static struct sbp_ocb *
2655 sbp_get_ocb(struct sbp_dev *sdev)
2656 {
2657 struct sbp_ocb *ocb;
2658
2659 crit_enter();
2660 ocb = STAILQ_FIRST(&sdev->free_ocbs);
2661 if (ocb == NULL) {
2662 kprintf("ocb shortage!!!\n");
2663 crit_exit();
2664 return NULL;
2665 }
2666 STAILQ_REMOVE_HEAD(&sdev->free_ocbs, ocb);
2667 crit_exit();
2668 ocb->ccb = NULL;
2669 return (ocb);
2670 }
2671
2672 static void
2673 sbp_free_ocb(struct sbp_dev *sdev, struct sbp_ocb *ocb)
2674 {
2675 ocb->flags = 0;
2676 ocb->ccb = NULL;
2677 STAILQ_INSERT_TAIL(&sdev->free_ocbs, ocb, ocb);
2678 }
2679
2680 static void
2681 sbp_abort_ocb(struct sbp_ocb *ocb, int status)
2682 {
2683 struct sbp_dev *sdev;
2684
2685 sdev = ocb->sdev;
2686 SBP_DEBUG(0)
2687 sbp_show_sdev_info(sdev, 2);
2688 kprintf("sbp_abort_ocb 0x%jx\n", (uintmax_t)ocb->bus_addr);
2689 END_DEBUG
2690 SBP_DEBUG(1)
2691 if (ocb->ccb != NULL)
2692 sbp_print_scsi_cmd(ocb);
2693 END_DEBUG
2694 if (ntohl(ocb->orb[4]) & 0xffff) {
2695 bus_dmamap_sync(sdev->target->sbp->dmat, ocb->dmamap,
2696 (ntohl(ocb->orb[4]) & ORB_CMD_IN) ?
2697 BUS_DMASYNC_POSTREAD : BUS_DMASYNC_POSTWRITE);
2698 bus_dmamap_unload(sdev->target->sbp->dmat, ocb->dmamap);
2699 }
2700 if (ocb->ccb != NULL) {
2701 callout_stop(&ocb->ccb->ccb_h.timeout_ch);
2702 ocb->ccb->ccb_h.status = status;
2703 xpt_done(ocb->ccb);
2704 }
2705 sbp_free_ocb(sdev, ocb);
2706 }
2707
2708 static void
2709 sbp_abort_all_ocbs(struct sbp_dev *sdev, int status)
2710 {
2711 struct sbp_ocb *ocb, *next;
2712 STAILQ_HEAD(, sbp_ocb) temp;
2713
2714 crit_enter();
2715 STAILQ_INIT(&temp);
2716 STAILQ_CONCAT(&temp, &sdev->ocbs);
2717 for (ocb = STAILQ_FIRST(&temp); ocb != NULL; ocb = next) {
2718 next = STAILQ_NEXT(ocb, ocb);
2719 sbp_abort_ocb(ocb, status);
2720 }
2721 crit_exit();
2722 }
2723
2724 static devclass_t sbp_devclass;
2725
2726 /*
2727 * Because sbp is a static device that always exists under any attached
2728 * firewire device, and not scanned by the firewire device, we need an
2729 * identify function to install the device. For our sanity we want
2730 * the sbp device to have the same unit number as the fireweire device.
2731 */
2732
2733 static device_method_t sbp_methods[] = {
2734 /* device interface */
2735 DEVMETHOD(device_identify, bus_generic_identify_sameunit),
2736 DEVMETHOD(device_probe, sbp_probe),
2737 DEVMETHOD(device_attach, sbp_attach),
2738 DEVMETHOD(device_detach, sbp_detach),
2739 DEVMETHOD(device_shutdown, sbp_shutdown),
2740
2741 DEVMETHOD_END
2742 };
2743
2744 static driver_t sbp_driver = {
2745 "sbp",
2746 sbp_methods,
2747 sizeof(struct sbp_softc),
2748 };
2749
2750 DECLARE_DUMMY_MODULE(sbp);
2751 DRIVER_MODULE(sbp, firewire, sbp_driver, sbp_devclass, NULL, NULL);
2752 MODULE_VERSION(sbp, 1);
2753 MODULE_DEPEND(sbp, firewire, 1, 1, 1);
2754 MODULE_DEPEND(sbp, cam, 1, 1, 1);
DragonFly BSD