isp.c revision 1.28 1 /* $NetBSD: isp.c,v 1.28 1998/12/05 19:43:52 mjacob Exp $ */
2 /* isp.c 1.28 */
3 /*
4 * Machine and OS Independent (well, as best as possible)
5 * code for the Qlogic ISP SCSI adapters.
6 *
7 *---------------------------------------
8 * Copyright (c) 1997, 1998 by Matthew Jacob
9 * NASA/Ames Research Center
10 * All rights reserved.
11 *---------------------------------------
12 *
13 * Redistribution and use in source and binary forms, with or without
14 * modification, are permitted provided that the following conditions
15 * are met:
16 * 1. Redistributions of source code must retain the above copyright
17 * notice immediately at the beginning of the file, without modification,
18 * this list of conditions, and the following disclaimer.
19 * 2. Redistributions in binary form must reproduce the above copyright
20 * notice, this list of conditions and the following disclaimer in the
21 * documentation and/or other materials provided with the distribution.
22 * 3. The name of the author may not be used to endorse or promote products
23 * derived from this software without specific prior written permission.
24 *
25 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
28 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
29 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 * SUCH DAMAGE.
36 */
37
38 /*
39 * Inspiration and ideas about this driver are from Erik Moe's Linux driver
40 * (qlogicisp.c) and Dave Miller's SBus version of same (qlogicisp.c). Some
41 * ideas dredged from the Solaris driver.
42 */
43
44 /*
45 * Include header file appropriate for platform we're building on.
46 */
47
48 #ifdef __NetBSD__
49 #include <dev/ic/isp_netbsd.h>
50 #endif
51 #ifdef __FreeBSD__
52 #include <dev/isp/isp_freebsd.h>
53 #endif
54 #ifdef __linux__
55 #include <isp_linux.h>
56 #endif
57
58 /*
59 * General defines
60 */
61
62 #define MBOX_DELAY_COUNT 1000000 / 100
63
64 /*
65 * Local static data
66 */
67
68
69 /*
70 * Local function prototypes.
71 */
72 static int isp_parse_async __P((struct ispsoftc *, int));
73 static int isp_handle_other_response
74 __P((struct ispsoftc *, ispstatusreq_t *, u_int8_t *));
75 static void isp_parse_status
76 __P((struct ispsoftc *, ispstatusreq_t *, ISP_SCSI_XFER_T *));
77 static void isp_fibre_init __P((struct ispsoftc *));
78 static void isp_fw_state __P((struct ispsoftc *));
79 static void isp_dumpregs __P((struct ispsoftc *, const char *));
80 static void isp_dumpxflist __P((struct ispsoftc *));
81 static void isp_prtstst __P((ispstatusreq_t *));
82 static char *isp2100_fw_statename __P((int));
83 static void isp_mboxcmd __P((struct ispsoftc *, mbreg_t *));
84
85 static void isp_update __P((struct ispsoftc *));
86 static void isp_setdfltparm __P((struct ispsoftc *));
87 static int isp_read_nvram __P((struct ispsoftc *));
88 static void isp_rdnvram_word __P((struct ispsoftc *, int, u_int16_t *));
89
90 /*
91 * Reset Hardware.
92 *
93 * Hit the chip over the head, download new f/w.
94 *
95 * Locking done elsewhere.
96 */
97 void
98 isp_reset(isp)
99 struct ispsoftc *isp;
100 {
101 static char once = 1;
102 mbreg_t mbs;
103 int loops, i, dodnld = 1;
104 char *revname;
105
106 isp->isp_state = ISP_NILSTATE;
107
108 /*
109 * Basic types (SCSI, FibreChannel and PCI or SBus)
110 * have been set in the MD code. We figure out more
111 * here.
112 */
113 isp->isp_dblev = DFLT_DBLEVEL;
114 if (isp->isp_type & ISP_HA_FC) {
115 revname = "2100";
116 } else {
117 sdparam *sdp = isp->isp_param;
118
119 int rev = ISP_READ(isp, BIU_CONF0) & BIU_CONF0_HW_MASK;
120 switch (rev) {
121 default:
122 PRINTF("%s: unknown chip rev. 0x%x- assuming a 1020\n",
123 isp->isp_name, rev);
124 /* FALLTHROUGH */
125 case 1:
126 revname = "1020";
127 isp->isp_type = ISP_HA_SCSI_1020;
128 sdp->isp_clock = 40;
129 break;
130 case 2:
131 /*
132 * Some 1020A chips are Ultra Capable, but don't
133 * run the clock rate up for that unless told to
134 * do so by the Ultra Capable bits being set.
135 */
136 revname = "1020A";
137 isp->isp_type = ISP_HA_SCSI_1020A;
138 sdp->isp_clock = 40;
139 break;
140 case 3:
141 revname = "1040";
142 isp->isp_type = ISP_HA_SCSI_1040;
143 sdp->isp_clock = 60;
144 break;
145 case 4:
146 revname = "1040A";
147 isp->isp_type = ISP_HA_SCSI_1040A;
148 sdp->isp_clock = 60;
149 break;
150 case 5:
151 revname = "1040B";
152 isp->isp_type = ISP_HA_SCSI_1040B;
153 sdp->isp_clock = 60;
154 break;
155 }
156 /*
157 * Try and figure out if we're connected to a differential bus.
158 * You have to pause the RISC processor to read SXP registers.
159 */
160 ISP_WRITE(isp, HCCR, HCCR_CMD_PAUSE);
161 i = 100;
162 while ((ISP_READ(isp, HCCR) & HCCR_PAUSE) == 0) {
163 SYS_DELAY(20);
164 if (--i == 0) {
165 PRINTF("%s: unable to pause RISC processor\n",
166 isp->isp_name);
167 i = -1;
168 break;
169 }
170 }
171 if (i > 0) {
172 if (isp->isp_bustype != ISP_BT_SBUS) {
173 ISP_SETBITS(isp, BIU_CONF1, BIU_PCI_CONF1_SXP);
174 }
175 if (ISP_READ(isp, SXP_PINS_DIFF) & SXP_PINS_DIFF_MODE) {
176 IDPRINTF(2, ("%s: Differential Mode Set\n",
177 isp->isp_name));
178 sdp->isp_diffmode = 1;
179 } else {
180 sdp->isp_diffmode = 0;
181 }
182
183 if (isp->isp_bustype != ISP_BT_SBUS) {
184 ISP_CLRBITS(isp, BIU_CONF1, BIU_PCI_CONF1_SXP);
185 }
186
187 /*
188 * Figure out whether we're ultra capable.
189 */
190 i = ISP_READ(isp, RISC_PSR);
191 if (isp->isp_bustype != ISP_BT_SBUS) {
192 i &= RISC_PSR_PCI_ULTRA;
193 } else {
194 i &= RISC_PSR_SBUS_ULTRA;
195 }
196 if (i) {
197 IDPRINTF(2, ("%s: Ultra Mode Capable\n",
198 isp->isp_name));
199 sdp->isp_clock = 60;
200 } else {
201 sdp->isp_clock = 40;
202 }
203 /*
204 * Restart processor
205 */
206 ISP_WRITE(isp, HCCR, HCCR_CMD_RELEASE);
207 }
208 /*
209 * Machine dependent clock (if set) overrides
210 * our generic determinations.
211 */
212 if (isp->isp_mdvec->dv_clock) {
213 if (isp->isp_mdvec->dv_clock < sdp->isp_clock) {
214 sdp->isp_clock = isp->isp_mdvec->dv_clock;
215 }
216 }
217 }
218
219 /*
220 * Do MD specific pre initialization
221 */
222 ISP_RESET0(isp);
223
224 if (once == 1) {
225 once = 0;
226 /*
227 * Get the current running firmware revision out of the
228 * chip before we hit it over the head (if this is our
229 * first time through). Note that we store this as the
230 * 'ROM' firmware revision- which it may not be. In any
231 * case, we don't really use this yet, but we may in
232 * the future.
233 */
234 mbs.param[0] = MBOX_ABOUT_FIRMWARE;
235 isp_mboxcmd(isp, &mbs);
236 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
237 IDPRINTF(3, ("%s: initial ABOUT FIRMWARE command "
238 "failed\n", isp->isp_name));
239 } else {
240 isp->isp_romfw_rev =
241 (((u_int16_t) mbs.param[1]) << 10) + mbs.param[2];
242 }
243 }
244
245 /*
246 * Hit the chip over the head with hammer,
247 * and give the ISP a chance to recover.
248 */
249
250 if (isp->isp_type & ISP_HA_SCSI) {
251 ISP_WRITE(isp, BIU_ICR, BIU_ICR_SOFT_RESET);
252 /*
253 * A slight delay...
254 */
255 SYS_DELAY(100);
256
257 /*
258 * Clear data && control DMA engines.
259 */
260 ISP_WRITE(isp, CDMA_CONTROL,
261 DMA_CNTRL_CLEAR_CHAN | DMA_CNTRL_RESET_INT);
262 ISP_WRITE(isp, DDMA_CONTROL,
263 DMA_CNTRL_CLEAR_CHAN | DMA_CNTRL_RESET_INT);
264 } else {
265 ISP_WRITE(isp, BIU2100_CSR, BIU2100_SOFT_RESET);
266 /*
267 * A slight delay...
268 */
269 SYS_DELAY(100);
270 ISP_WRITE(isp, CDMA2100_CONTROL,
271 DMA_CNTRL2100_CLEAR_CHAN | DMA_CNTRL2100_RESET_INT);
272 ISP_WRITE(isp, TDMA2100_CONTROL,
273 DMA_CNTRL2100_CLEAR_CHAN | DMA_CNTRL2100_RESET_INT);
274 ISP_WRITE(isp, RDMA2100_CONTROL,
275 DMA_CNTRL2100_CLEAR_CHAN | DMA_CNTRL2100_RESET_INT);
276 }
277
278 /*
279 * Wait for ISP to be ready to go...
280 */
281 loops = MBOX_DELAY_COUNT;
282 for (;;) {
283 if (isp->isp_type & ISP_HA_SCSI) {
284 if (!(ISP_READ(isp, BIU_ICR) & BIU_ICR_SOFT_RESET))
285 break;
286 } else {
287 if (!(ISP_READ(isp, BIU2100_CSR) & BIU2100_SOFT_RESET))
288 break;
289 }
290 SYS_DELAY(100);
291 if (--loops < 0) {
292 isp_dumpregs(isp, "chip reset timed out");
293 return;
294 }
295 }
296 /*
297 * More initialization
298 */
299 if (isp->isp_type & ISP_HA_SCSI) {
300 ISP_WRITE(isp, BIU_CONF1, 0);
301 } else {
302 ISP_WRITE(isp, BIU2100_CSR, 0);
303 /*
304 * All 2100's are 60Mhz with fast rams onboard.
305 */
306 ISP_WRITE(isp, RISC_MTR2100, 0x1212);
307 }
308
309 ISP_WRITE(isp, HCCR, HCCR_CMD_RESET);
310 SYS_DELAY(100);
311
312 if (isp->isp_type & ISP_HA_SCSI) {
313 ISP_SETBITS(isp, BIU_CONF1, isp->isp_mdvec->dv_conf1);
314 if (isp->isp_mdvec->dv_conf1 & BIU_BURST_ENABLE) {
315 ISP_SETBITS(isp, CDMA_CONF, DMA_ENABLE_BURST);
316 ISP_SETBITS(isp, DDMA_CONF, DMA_ENABLE_BURST);
317 }
318 }
319 ISP_WRITE(isp, HCCR, HCCR_CMD_RELEASE); /* release paused processor */
320
321 /*
322 * Do MD specific post initialization
323 */
324 ISP_RESET1(isp);
325
326 /*
327 * Enable interrupts
328 */
329 ENABLE_INTS(isp);
330
331 /*
332 * Do some sanity checking.
333 */
334 mbs.param[0] = MBOX_NO_OP;
335 isp_mboxcmd(isp, &mbs);
336 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
337 isp_dumpregs(isp, "NOP test failed");
338 return;
339 }
340
341 if (isp->isp_type & ISP_HA_SCSI) {
342 mbs.param[0] = MBOX_MAILBOX_REG_TEST;
343 mbs.param[1] = 0xdead;
344 mbs.param[2] = 0xbeef;
345 mbs.param[3] = 0xffff;
346 mbs.param[4] = 0x1111;
347 mbs.param[5] = 0xa5a5;
348 isp_mboxcmd(isp, &mbs);
349 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
350 isp_dumpregs(isp,
351 "Mailbox Register test didn't complete");
352 return;
353 }
354 if (mbs.param[1] != 0xdead || mbs.param[2] != 0xbeef ||
355 mbs.param[3] != 0xffff || mbs.param[4] != 0x1111 ||
356 mbs.param[5] != 0xa5a5) {
357 isp_dumpregs(isp, "Register Test Failed");
358 return;
359 }
360
361 }
362
363 /*
364 * Download new Firmware, unless requested not to do so.
365 * This is made slightly trickier in some cases where the
366 * firmware of the ROM revision is newer than the revision
367 * compiled into the driver. So, where we used to compare
368 * versions of our f/w and the ROM f/w, now we just see
369 * whether we have f/w at all and whether a config flag
370 * has disabled our download.
371 */
372 if ((isp->isp_mdvec->dv_fwlen == 0) ||
373 (isp->isp_confopts & ISP_CFG_NORELOAD)) {
374 dodnld = 0;
375 }
376
377 if (dodnld) {
378 for (i = 0; i < isp->isp_mdvec->dv_fwlen; i++) {
379 mbs.param[0] = MBOX_WRITE_RAM_WORD;
380 mbs.param[1] = isp->isp_mdvec->dv_codeorg + i;
381 mbs.param[2] = isp->isp_mdvec->dv_ispfw[i];
382 isp_mboxcmd(isp, &mbs);
383 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
384 isp_dumpregs(isp, "f/w download failed");
385 return;
386 }
387 }
388
389 if (isp->isp_mdvec->dv_fwlen) {
390 /*
391 * Verify that it downloaded correctly.
392 */
393 mbs.param[0] = MBOX_VERIFY_CHECKSUM;
394 mbs.param[1] = isp->isp_mdvec->dv_codeorg;
395 isp_mboxcmd(isp, &mbs);
396 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
397 isp_dumpregs(isp, "ram checksum failure");
398 return;
399 }
400 }
401 } else {
402 IDPRINTF(3, ("%s: skipping f/w download\n", isp->isp_name));
403 }
404
405 /*
406 * Now start it rolling.
407 *
408 * If we didn't actually download f/w,
409 * we still need to (re)start it.
410 */
411
412 mbs.param[0] = MBOX_EXEC_FIRMWARE;
413 mbs.param[1] = isp->isp_mdvec->dv_codeorg;
414 isp_mboxcmd(isp, &mbs);
415
416 if (isp->isp_type & ISP_HA_SCSI) {
417 sdparam *sdp = isp->isp_param;
418 /*
419 * Set CLOCK RATE, but only if asked to.
420 */
421 if (sdp->isp_clock) {
422 mbs.param[0] = MBOX_SET_CLOCK_RATE;
423 mbs.param[1] = sdp->isp_clock;
424 isp_mboxcmd(isp, &mbs);
425 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
426 isp_dumpregs(isp, "failed to set CLOCKRATE");
427 /* but continue */
428 } else {
429 IDPRINTF(3, ("%s: setting input clock to %d\n",
430 isp->isp_name, sdp->isp_clock));
431 }
432 }
433 }
434 mbs.param[0] = MBOX_ABOUT_FIRMWARE;
435 isp_mboxcmd(isp, &mbs);
436 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
437 isp_dumpregs(isp, "ABOUT FIRMWARE command failed");
438 return;
439 }
440 PRINTF("%s: Board Revision %s, %s F/W Revision %d.%d\n",
441 isp->isp_name, revname, dodnld? "loaded" : "resident",
442 mbs.param[1], mbs.param[2]);
443 isp->isp_fwrev = (((u_int16_t) mbs.param[1]) << 10) + mbs.param[2];
444 if (isp->isp_romfw_rev && dodnld) {
445 PRINTF("%s: Last F/W revision was %d.%d\n", isp->isp_name,
446 isp->isp_romfw_rev >> 10, isp->isp_romfw_rev & 0x3ff);
447 }
448 isp_fw_state(isp);
449 isp->isp_state = ISP_RESETSTATE;
450 }
451
452 /*
453 * Initialize Hardware to known state
454 *
455 * Locks are held before coming here.
456 */
457
458 void
459 isp_init(isp)
460 struct ispsoftc *isp;
461 {
462 sdparam *sdp;
463 mbreg_t mbs;
464 int tgt;
465
466 /*
467 * Must do first.
468 */
469 isp_setdfltparm(isp);
470
471 /*
472 * If we're fibre, we have a completely different
473 * initialization method.
474 */
475
476 if (isp->isp_type & ISP_HA_FC) {
477 isp_fibre_init(isp);
478 return;
479 }
480 sdp = isp->isp_param;
481
482 /*
483 * Set (possibly new) Initiator ID.
484 */
485 mbs.param[0] = MBOX_SET_INIT_SCSI_ID;
486 mbs.param[1] = sdp->isp_initiator_id;
487 isp_mboxcmd(isp, &mbs);
488 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
489 isp_dumpregs(isp, "failed to set initiator id");
490 return;
491 }
492
493 /*
494 * Set Retry Delay and Count
495 */
496 mbs.param[0] = MBOX_SET_RETRY_COUNT;
497 mbs.param[1] = sdp->isp_retry_count;
498 mbs.param[2] = sdp->isp_retry_delay;
499 isp_mboxcmd(isp, &mbs);
500 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
501 isp_dumpregs(isp, "failed to set retry count and delay");
502 return;
503 }
504
505 /*
506 * Set ASYNC DATA SETUP time. This is very important.
507 */
508 mbs.param[0] = MBOX_SET_ASYNC_DATA_SETUP_TIME;
509 mbs.param[1] = sdp->isp_async_data_setup;
510 isp_mboxcmd(isp, &mbs);
511 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
512 isp_dumpregs(isp, "failed to set async data setup time");
513 return;
514 }
515
516 /*
517 * Set ACTIVE Negation State.
518 */
519 mbs.param[0] = MBOX_SET_ACTIVE_NEG_STATE;
520 mbs.param[1] =
521 (sdp->isp_req_ack_active_neg << 4) |
522 (sdp->isp_data_line_active_neg << 5);
523 isp_mboxcmd(isp, &mbs);
524 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
525 isp_dumpregs(isp, "failed to set active neg state");
526 return;
527 }
528
529 /*
530 * Set the Tag Aging limit
531 */
532
533 mbs.param[0] = MBOX_SET_TAG_AGE_LIMIT;
534 mbs.param[1] = sdp->isp_tag_aging;
535 isp_mboxcmd(isp, &mbs);
536 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
537 isp_dumpregs(isp, "failed to set tag age limit");
538 return;
539 }
540
541 /*
542 * Set selection timeout.
543 */
544
545 mbs.param[0] = MBOX_SET_SELECT_TIMEOUT;
546 mbs.param[1] = sdp->isp_selection_timeout;
547 isp_mboxcmd(isp, &mbs);
548 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
549 isp_dumpregs(isp, "failed to set selection timeout");
550 return;
551 }
552
553 /*
554 * Set per-target parameters to a safe minimum.
555 */
556
557 for (tgt = 0; tgt < MAX_TARGETS; tgt++) {
558 int maxlun, lun;
559
560 if (sdp->isp_devparam[tgt].dev_enable == 0)
561 continue;
562
563 mbs.param[0] = MBOX_SET_TARGET_PARAMS;
564 mbs.param[1] = tgt << 8;
565 mbs.param[2] = DPARM_SAFE_DFLT;
566 mbs.param[3] = 0;
567 /*
568 * It is not quite clear when this changed over so that
569 * we could force narrow and async, so assume >= 7.55.
570 *
571 * Otherwise, a SCSI bus reset issued below will force
572 * the back to the narrow, async state (but see note
573 * below also). Technically we should also do without
574 * Parity.
575 */
576 if (isp->isp_fwrev >= ISP_FW_REV(7, 55)) {
577 mbs.param[2] |= DPARM_NARROW | DPARM_ASYNC;
578 }
579 sdp->isp_devparam[tgt].cur_dflags = mbs.param[2] >> 8;
580
581 IDPRINTF(3, ("\n%s: tgt %d cflags %x offset %x period %x\n",
582 isp->isp_name, tgt, mbs.param[2], mbs.param[3] >> 8,
583 mbs.param[3] & 0xff));
584 isp_mboxcmd(isp, &mbs);
585 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
586
587 PRINTF("%s: failed to set parameters for tgt %d\n",
588 isp->isp_name, tgt);
589
590 PRINTF("%s: flags %x offset %x period %x\n",
591 isp->isp_name, sdp->isp_devparam[tgt].dev_flags,
592 sdp->isp_devparam[tgt].sync_offset,
593 sdp->isp_devparam[tgt].sync_period);
594
595 mbs.param[0] = MBOX_SET_TARGET_PARAMS;
596 mbs.param[1] = tgt << 8;
597 mbs.param[2] = DPARM_SAFE_DFLT;
598 mbs.param[3] = 0;
599 isp_mboxcmd(isp, &mbs);
600 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
601 PRINTF("%s: failed even to set defaults for "
602 "target %d\n", isp->isp_name, tgt);
603 continue;
604 }
605 }
606
607 maxlun = (isp->isp_fwrev >= ISP_FW_REV(7, 55))? 32 : 8;
608 for (lun = 0; lun < maxlun; lun++) {
609 mbs.param[0] = MBOX_SET_DEV_QUEUE_PARAMS;
610 mbs.param[1] = (tgt << 8) | lun;
611 mbs.param[2] = sdp->isp_max_queue_depth;
612 mbs.param[3] = sdp->isp_devparam[tgt].exc_throttle;
613 isp_mboxcmd(isp, &mbs);
614 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
615 PRINTF("%s: failed to set device queue "
616 "parameters for target %d, lun %d\n",
617 isp->isp_name, tgt, lun);
618 break;
619 }
620 }
621 }
622
623 /*
624 * Set up DMA for the request and result mailboxes.
625 */
626 if (ISP_MBOXDMASETUP(isp) != 0) {
627 PRINTF("%s: can't setup dma mailboxes\n", isp->isp_name);
628 return;
629 }
630
631 mbs.param[0] = MBOX_INIT_RES_QUEUE;
632 mbs.param[1] = RESULT_QUEUE_LEN;
633 mbs.param[2] = (u_int16_t) (isp->isp_result_dma >> 16);
634 mbs.param[3] = (u_int16_t) (isp->isp_result_dma & 0xffff);
635 mbs.param[4] = 0;
636 mbs.param[5] = 0;
637 isp_mboxcmd(isp, &mbs);
638 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
639 isp_dumpregs(isp, "set of response queue failed");
640 return;
641 }
642 isp->isp_residx = 0;
643
644 mbs.param[0] = MBOX_INIT_REQ_QUEUE;
645 mbs.param[1] = RQUEST_QUEUE_LEN;
646 mbs.param[2] = (u_int16_t) (isp->isp_rquest_dma >> 16);
647 mbs.param[3] = (u_int16_t) (isp->isp_rquest_dma & 0xffff);
648 mbs.param[4] = 0;
649 mbs.param[5] = 0;
650 isp_mboxcmd(isp, &mbs);
651 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
652 isp_dumpregs(isp, "set of request queue failed");
653 return;
654 }
655 isp->isp_reqidx = isp->isp_reqodx = 0;
656
657 /*
658 * XXX: See whether or not for 7.55 F/W or later we
659 * XXX: can do without this, and see whether we should
660 * XXX: honor the NVRAM SCSI_RESET_DISABLE token.
661 */
662 mbs.param[0] = MBOX_BUS_RESET;
663 mbs.param[1] = 3;
664 isp_mboxcmd(isp, &mbs);
665 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
666 isp_dumpregs(isp, "SCSI bus reset failed");
667 }
668 /*
669 * This is really important to have set after a bus reset.
670 */
671 isp->isp_sendmarker = 1;
672 isp->isp_state = ISP_INITSTATE;
673 }
674
675 /*
676 * Fibre Channel specific initialization.
677 *
678 * Locks are held before coming here.
679 */
680 static void
681 isp_fibre_init(isp)
682 struct ispsoftc *isp;
683 {
684 fcparam *fcp;
685 isp_icb_t *icbp;
686 mbreg_t mbs;
687 int count, loopid;
688 u_int8_t lwfs;
689
690 fcp = isp->isp_param;
691
692 if (ISP_MBOXDMASETUP(isp) != 0) {
693 PRINTF("%s: can't setup DMA for mailboxes\n", isp->isp_name);
694 return;
695 }
696 /*
697 * For systems that don't have BIOS methods for which
698 * we can easily change the NVRAM based loopid, we'll
699 * override that here. Note that when we initialize
700 * the firmware we may get back a different loopid than
701 * we asked for anyway. XXX This is probably not the
702 * best way to figure this out XXX
703 */
704 #ifndef __i386__
705 loopid = DEFAULT_LOOPID;
706 #else
707 loopid = fcp->isp_loopid;
708 #endif
709
710
711 icbp = (isp_icb_t *) fcp->isp_scratch;
712 bzero(icbp, sizeof (*icbp));
713
714 icbp->icb_version = ICB_VERSION1;
715 fcp->isp_fwoptions = 0;
716 fcp->isp_fwoptions |= ICBOPT_INI_ADISC|ICBOPT_FAIRNESS;
717 fcp->isp_fwoptions |= ICBOPT_PDBCHANGE_AE;
718 fcp->isp_fwoptions |= ICBOPT_HARD_ADDRESS;
719 #ifdef CHECKME
720 fcp->isp_fwoptions |= ICBOPT_USE_PORTNAME;
721 #endif
722 #ifdef THIS_WORKED
723 /*
724 * This has unhappiness in target mode
725 */
726 fcp->isp_fwoptions |= ICBOPT_FULL_LOGIN;
727 #endif
728 icbp->icb_fwoptions = fcp->isp_fwoptions;
729 icbp->icb_maxfrmlen = fcp->isp_maxfrmlen;
730 if (icbp->icb_maxfrmlen < ICB_MIN_FRMLEN ||
731 icbp->icb_maxfrmlen > ICB_MAX_FRMLEN) {
732 PRINTF("%s: bad frame length (%d) from NVRAM- using %d\n",
733 isp->isp_name, fcp->isp_maxfrmlen, ICB_DFLT_FRMLEN);
734 }
735 icbp->icb_maxalloc = fcp->isp_maxalloc;
736 icbp->icb_execthrottle = fcp->isp_execthrottle;
737 icbp->icb_retry_delay = fcp->isp_retry_delay;
738 icbp->icb_retry_count = fcp->isp_retry_count;
739 icbp->icb_hardaddr = loopid;
740
741 MAKE_NODE_NAME_FROM_WWN(icbp->icb_nodename, fcp->isp_wwn);
742 if (icbp->icb_fwoptions & ICBOPT_USE_PORTNAME) {
743 u_int64_t portname = fcp->isp_wwn | (2LL << 56);
744 MAKE_NODE_NAME_FROM_WWN(icbp->icb_nodename, portname);
745 }
746 icbp->icb_rqstqlen = RQUEST_QUEUE_LEN;
747 icbp->icb_rsltqlen = RESULT_QUEUE_LEN;
748 icbp->icb_rqstaddr[RQRSP_ADDR0015] =
749 (u_int16_t) (isp->isp_rquest_dma & 0xffff);
750 icbp->icb_rqstaddr[RQRSP_ADDR1631] =
751 (u_int16_t) (isp->isp_rquest_dma >> 16);
752 icbp->icb_respaddr[RQRSP_ADDR0015] =
753 (u_int16_t) (isp->isp_result_dma & 0xffff);
754 icbp->icb_respaddr[RQRSP_ADDR1631] =
755 (u_int16_t) (isp->isp_result_dma >> 16);
756
757 for (count = 0; count < 10; count++) {
758 mbs.param[0] = MBOX_INIT_FIRMWARE;
759 mbs.param[1] = 0;
760 mbs.param[2] = (u_int16_t) (fcp->isp_scdma >> 16);
761 mbs.param[3] = (u_int16_t) (fcp->isp_scdma & 0xffff);
762 mbs.param[4] = 0;
763 mbs.param[5] = 0;
764 mbs.param[6] = 0;
765 mbs.param[7] = 0;
766
767 isp_mboxcmd(isp, &mbs);
768
769 switch (mbs.param[0]) {
770 case MBOX_COMMAND_COMPLETE:
771 count = 10;
772 break;
773 case ASYNC_LIP_OCCURRED:
774 case ASYNC_LOOP_UP:
775 case ASYNC_LOOP_DOWN:
776 case ASYNC_LOOP_RESET:
777 case ASYNC_PDB_CHANGED:
778 case ASYNC_CHANGE_NOTIFY:
779 if (count > 9) {
780 PRINTF("%s: too many retries to get going- "
781 "giving up\n", isp->isp_name);
782 return;
783 }
784 break;
785 default:
786 isp_dumpregs(isp, "INIT FIRMWARE failed");
787 return;
788 }
789 }
790 isp->isp_reqidx = isp->isp_reqodx = 0;
791 isp->isp_residx = 0;
792
793 /*
794 * Wait up to 5 seconds for FW to go to READY state.
795 */
796 lwfs = FW_CONFIG_WAIT;
797 for (count = 0; count < 12000; count++) {
798 isp_fw_state(isp);
799 if (lwfs != fcp->isp_fwstate) {
800 PRINTF("%s: Firmware State %s -> %s\n",
801 isp->isp_name, isp2100_fw_statename((int)lwfs),
802 isp2100_fw_statename((int)fcp->isp_fwstate));
803 lwfs = fcp->isp_fwstate;
804 }
805 if (fcp->isp_fwstate == FW_READY) {
806 break;
807 }
808 SYS_DELAY(1000); /* wait one millisecond */
809 }
810 isp->isp_sendmarker = 1;
811
812 /*
813 * Get our Loop ID
814 * (if possible)
815 */
816 if (fcp->isp_fwstate == FW_READY) {
817 mbs.param[0] = MBOX_GET_LOOP_ID;
818 isp_mboxcmd(isp, &mbs);
819 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
820 isp_dumpregs(isp, "GET LOOP ID failed");
821 return;
822 }
823 fcp->isp_loopid = mbs.param[1];
824 fcp->isp_alpa = mbs.param[2];
825 PRINTF("%s: Loop ID %d, ALPA 0x%x\n", isp->isp_name,
826 fcp->isp_loopid, fcp->isp_alpa);
827 isp->isp_state = ISP_INITSTATE;
828 } else {
829 PRINTF("%s: failed to go to FW READY state- will not attach\n",
830 isp->isp_name);
831 }
832 }
833
834 /*
835 * Free any associated resources prior to decommissioning and
836 * set the card to a known state (so it doesn't wake up and kick
837 * us when we aren't expecting it to).
838 *
839 * Locks are held before coming here.
840 */
841 void
842 isp_uninit(isp)
843 struct ispsoftc *isp;
844 {
845 /*
846 * Leave with interrupts disabled.
847 */
848 DISABLE_INTS(isp);
849
850 /*
851 * Stop the watchdog timer (if started).
852 */
853 STOP_WATCHDOG(isp_watch, isp);
854 }
855
856
857 /*
858 * Start a command. Locking is assumed done in the caller.
859 */
860
861 int32_t
862 ispscsicmd(xs)
863 ISP_SCSI_XFER_T *xs;
864 {
865 struct ispsoftc *isp;
866 u_int8_t iptr, optr;
867 union {
868 ispreq_t *_reqp;
869 ispreqt2_t *_t2reqp;
870 } _u;
871 #define reqp _u._reqp
872 #define t2reqp _u._t2reqp
873 #define UZSIZE max(sizeof (ispreq_t), sizeof (ispreqt2_t))
874 int i;
875
876 XS_INITERR(xs);
877 isp = XS_ISP(xs);
878
879 if (isp->isp_state != ISP_RUNSTATE) {
880 PRINTF("%s: adapter not ready\n", isp->isp_name);
881 XS_SETERR(xs, HBA_BOTCH);
882 return (CMD_COMPLETE);
883 }
884
885 /*
886 * We *could* do the different sequence type that has clos
887 * to the whole Queue Entry for the command,.
888 */
889 if (XS_CDBLEN(xs) > ((isp->isp_type & ISP_HA_FC)? 16 : 12)) {
890 PRINTF("%s: unsupported cdb length (%d)\n",
891 isp->isp_name, XS_CDBLEN(xs));
892 XS_SETERR(xs, HBA_BOTCH);
893 return (CMD_COMPLETE);
894 }
895
896 /*
897 * First check to see if any HBA or Device
898 * parameters need to be updated.
899 */
900 if (isp->isp_update) {
901 isp_update(isp);
902 }
903
904 optr = isp->isp_reqodx = ISP_READ(isp, OUTMAILBOX4);
905 iptr = isp->isp_reqidx;
906
907 reqp = (ispreq_t *) ISP_QUEUE_ENTRY(isp->isp_rquest, iptr);
908 iptr = ISP_NXT_QENTRY(iptr, RQUEST_QUEUE_LEN);
909 if (iptr == optr) {
910 IDPRINTF(2, ("%s: Request Queue Overflow\n", isp->isp_name));
911 XS_SETERR(xs, HBA_BOTCH);
912 return (CMD_EAGAIN);
913 }
914 if (isp->isp_type & ISP_HA_FC) {
915 DISABLE_INTS(isp);
916 }
917
918 if (isp->isp_sendmarker) {
919 u_int8_t niptr;
920 ispmarkreq_t *marker = (ispmarkreq_t *) reqp;
921
922 bzero((void *) marker, sizeof (*marker));
923 marker->req_header.rqs_entry_count = 1;
924 marker->req_header.rqs_entry_type = RQSTYPE_MARKER;
925 marker->req_modifier = SYNC_ALL;
926
927 isp->isp_sendmarker = 0;
928
929 /*
930 * Unconditionally update the input pointer anyway.
931 */
932 ISP_WRITE(isp, INMAILBOX4, iptr);
933 isp->isp_reqidx = iptr;
934
935 niptr = ISP_NXT_QENTRY(iptr, RQUEST_QUEUE_LEN);
936 if (niptr == optr) {
937 if (isp->isp_type & ISP_HA_FC) {
938 ENABLE_INTS(isp);
939 }
940 IDPRINTF(2, ("%s: Request Queue Overflow+\n",
941 isp->isp_name));
942 XS_SETERR(xs, HBA_BOTCH);
943 return (CMD_EAGAIN);
944 }
945 reqp = (ispreq_t *) ISP_QUEUE_ENTRY(isp->isp_rquest, iptr);
946 iptr = niptr;
947 }
948
949 bzero((void *) reqp, UZSIZE);
950 reqp->req_header.rqs_entry_count = 1;
951 if (isp->isp_type & ISP_HA_FC) {
952 reqp->req_header.rqs_entry_type = RQSTYPE_T2RQS;
953 } else {
954 reqp->req_header.rqs_entry_type = RQSTYPE_REQUEST;
955 }
956 reqp->req_header.rqs_flags = 0;
957 reqp->req_header.rqs_seqno = isp->isp_seqno++;
958
959 for (i = 0; i < RQUEST_QUEUE_LEN; i++) {
960 if (isp->isp_xflist[i] == NULL)
961 break;
962 }
963 if (i == RQUEST_QUEUE_LEN) {
964 if (isp->isp_type & ISP_HA_FC)
965 ENABLE_INTS(isp);
966 IDPRINTF(2, ("%s: out of xflist pointers\n", isp->isp_name));
967 XS_SETERR(xs, HBA_BOTCH);
968 return (CMD_EAGAIN);
969 } else {
970 /*
971 * Never have a handle that is zero, so
972 * set req_handle off by one.
973 */
974 isp->isp_xflist[i] = xs;
975 reqp->req_handle = i+1;
976 }
977
978 if (isp->isp_type & ISP_HA_FC) {
979 /*
980 * See comment in isp_intr
981 */
982 XS_RESID(xs) = 0;
983 /*
984 * Fibre Channel always requires some kind of tag.
985 * If we're marked as "Can't Tag", just do simple
986 * instead of ordered tags. It's pretty clear to me
987 * that we shouldn't do head of queue tagging in
988 * this case.
989 */
990 if (XS_CANTAG(xs)) {
991 t2reqp->req_flags = XS_KINDOF_TAG(xs);
992 } else {
993 t2reqp->req_flags = REQFLAG_STAG;
994 }
995 } else {
996 sdparam *sdp = (sdparam *)isp->isp_param;
997 if ((sdp->isp_devparam[XS_TGT(xs)].cur_dflags & DPARM_TQING) &&
998 XS_CANTAG(xs)) {
999 reqp->req_flags = XS_KINDOF_TAG(xs);
1000 } else {
1001 reqp->req_flags = 0;
1002 }
1003 }
1004 reqp->req_target = XS_TGT(xs);
1005 if (isp->isp_type & ISP_HA_SCSI) {
1006 reqp->req_lun_trn = XS_LUN(xs);
1007 reqp->req_cdblen = XS_CDBLEN(xs);
1008 } else {
1009 #ifdef SCCLUN
1010 reqp->req_scclun = XS_LUN(xs);
1011 #else
1012 reqp->req_lun_trn = XS_LUN(xs);
1013 #endif
1014
1015 }
1016 bcopy((void *)XS_CDBP(xs), reqp->req_cdb, XS_CDBLEN(xs));
1017
1018 IDPRINTF(5, ("%s(%d.%d): START%d cmd 0x%x datalen %d\n", isp->isp_name,
1019 XS_TGT(xs), XS_LUN(xs), reqp->req_header.rqs_seqno,
1020 reqp->req_cdb[0], XS_XFRLEN(xs)));
1021
1022 reqp->req_time = XS_TIME(xs) / 1000;
1023 if (reqp->req_time == 0 && XS_TIME(xs))
1024 reqp->req_time = 1;
1025 i = ISP_DMASETUP(isp, xs, reqp, &iptr, optr);
1026 if (i != CMD_QUEUED) {
1027 if (isp->isp_type & ISP_HA_FC)
1028 ENABLE_INTS(isp);
1029 /*
1030 * dmasetup sets actual error in packet, and
1031 * return what we were given to return.
1032 */
1033 return (i);
1034 }
1035 XS_SETERR(xs, HBA_NOERROR);
1036 ISP_WRITE(isp, INMAILBOX4, iptr);
1037 isp->isp_reqidx = iptr;
1038 if (isp->isp_type & ISP_HA_FC) {
1039 ENABLE_INTS(isp);
1040 }
1041 isp->isp_nactive++;
1042 return (CMD_QUEUED);
1043 #undef reqp
1044 #undef t2reqp
1045 }
1046
1047 /*
1048 * isp control
1049 * Locks (ints blocked) assumed held.
1050 */
1051
1052 int
1053 isp_control(isp, ctl, arg)
1054 struct ispsoftc *isp;
1055 ispctl_t ctl;
1056 void *arg;
1057 {
1058 ISP_SCSI_XFER_T *xs;
1059 mbreg_t mbs;
1060 int i;
1061
1062 switch (ctl) {
1063 default:
1064 PRINTF("%s: isp_control unknown control op %x\n",
1065 isp->isp_name, ctl);
1066 break;
1067
1068 case ISPCTL_RESET_BUS:
1069 mbs.param[0] = MBOX_BUS_RESET;
1070 mbs.param[1] = (isp->isp_type & ISP_HA_FC)? 5: 2;
1071 isp_mboxcmd(isp, &mbs);
1072 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
1073 isp_dumpregs(isp, "isp_control SCSI bus reset failed");
1074 break;
1075 }
1076 /*
1077 * This is really important to have set after a bus reset.
1078 */
1079 isp->isp_sendmarker = 1;
1080 PRINTF("%s: driver initiated bus reset\n", isp->isp_name);
1081 return (0);
1082
1083 case ISPCTL_RESET_DEV:
1084 /*
1085 * Note that under parallel SCSI, this issues a BDR message.
1086 * Under FC, we could probably be using ABORT TASK SET
1087 * command.
1088 */
1089
1090 mbs.param[0] = MBOX_ABORT_TARGET;
1091 mbs.param[1] = ((long)arg) << 8;
1092 mbs.param[2] = 2; /* 'delay', in seconds */
1093 isp_mboxcmd(isp, &mbs);
1094 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
1095 isp_dumpregs(isp, "SCSI Target reset failed");
1096 break;
1097 }
1098 PRINTF("%s: Target %d Reset Succeeded\n", isp->isp_name,
1099 (int) ((long) arg));
1100 isp->isp_sendmarker = 1;
1101 return (0);
1102
1103 case ISPCTL_ABORT_CMD:
1104 xs = (ISP_SCSI_XFER_T *) arg;
1105 for (i = 0; i < RQUEST_QUEUE_LEN; i++) {
1106 if (xs == isp->isp_xflist[i]) {
1107 break;
1108 }
1109 }
1110 if (i == RQUEST_QUEUE_LEN) {
1111 PRINTF("%s: isp_control- cannot find command to abort "
1112 "in active list\n", isp->isp_name);
1113 break;
1114 }
1115 mbs.param[0] = MBOX_ABORT;
1116 #ifdef SCCLUN
1117 if (isp->isp_type & ISP_HA_FC) {
1118 mbs.param[1] = XS_TGT(xs) << 8;
1119 mbs.param[4] = 0;
1120 mbs.param[5] = 0;
1121 mbs.param[6] = XS_LUN(xs);
1122 } else {
1123 mbs.param[1] = XS_TGT(xs) << 8 | XS_LUN(xs);
1124 }
1125 #else
1126 mbs.param[1] = XS_TGT(xs) << 8 | XS_LUN(xs);
1127 #endif
1128 mbs.param[2] = (i+1) >> 16;
1129 mbs.param[3] = (i+1) & 0xffff;
1130 isp_mboxcmd(isp, &mbs);
1131 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
1132 PRINTF("%s: isp_control MBOX_ABORT failure (code %x)\n",
1133 isp->isp_name, mbs.param[0]);
1134 break;
1135 }
1136 PRINTF("%s: command for target %d lun %d was aborted\n",
1137 isp->isp_name, XS_TGT(xs), XS_LUN(xs));
1138 return (0);
1139
1140 case ISPCTL_UPDATE_PARAMS:
1141 isp_update(isp);
1142 return(0);
1143 }
1144 return (-1);
1145 }
1146
1147 /*
1148 * Interrupt Service Routine(s).
1149 *
1150 * External (OS) framework has done the appropriate locking,
1151 * and the locking will be held throughout this function.
1152 */
1153
1154 int
1155 isp_intr(arg)
1156 void *arg;
1157 {
1158 ISP_SCSI_XFER_T *complist[RESULT_QUEUE_LEN], *xs;
1159 struct ispsoftc *isp = arg;
1160 u_int8_t iptr, optr;
1161 u_int16_t isr;
1162 int i, ndone = 0;
1163
1164 isr = ISP_READ(isp, BIU_ISR);
1165 if (isp->isp_type & ISP_HA_FC) {
1166 if (isr == 0 || (isr & BIU2100_ISR_RISC_INT) == 0) {
1167 if (isr) {
1168 IDPRINTF(4, ("%s: isp_intr isr=%x\n",
1169 isp->isp_name, isr));
1170 }
1171 return (0);
1172 }
1173 } else {
1174 if (isr == 0 || (isr & BIU_ISR_RISC_INT) == 0) {
1175 if (isr) {
1176 IDPRINTF(4, ("%s: isp_intr isr=%x\n",
1177 isp->isp_name, isr));
1178 }
1179 return (0);
1180 }
1181 }
1182
1183 if (ISP_READ(isp, BIU_SEMA) & 1) {
1184 u_int16_t mbox = ISP_READ(isp, OUTMAILBOX0);
1185 if (isp_parse_async(isp, (int) mbox))
1186 return (1);
1187 ISP_WRITE(isp, BIU_SEMA, 0);
1188 }
1189
1190 ISP_WRITE(isp, HCCR, HCCR_CMD_CLEAR_RISC_INT);
1191
1192 optr = isp->isp_residx;
1193 iptr = ISP_READ(isp, OUTMAILBOX5);
1194
1195 if (optr == iptr) {
1196 IDPRINTF(4, ("why intr? isr %x iptr %x optr %x\n",
1197 isr, optr, iptr));
1198 }
1199 ENABLE_INTS(isp);
1200
1201 while (optr != iptr) {
1202 ispstatusreq_t *sp;
1203 u_int8_t oop;
1204 int buddaboom = 0;
1205
1206 sp = (ispstatusreq_t *) ISP_QUEUE_ENTRY(isp->isp_result, optr);
1207 oop = optr;
1208 optr = ISP_NXT_QENTRY(optr, RESULT_QUEUE_LEN);
1209
1210 if (sp->req_header.rqs_entry_type != RQSTYPE_RESPONSE) {
1211 if (isp_handle_other_response(isp, sp, &optr) == 0) {
1212 ISP_WRITE(isp, INMAILBOX5, optr);
1213 continue;
1214 }
1215 /*
1216 * It really has to be a bounced request just copied
1217 * from the request queue to the response queue.
1218 */
1219
1220 if (sp->req_header.rqs_entry_type != RQSTYPE_REQUEST) {
1221 ISP_WRITE(isp, INMAILBOX5, optr);
1222 continue;
1223 }
1224 PRINTF("%s: not RESPONSE in RESPONSE Queue "
1225 "(type 0x%x) @ idx %d (next %d)\n", isp->isp_name,
1226 sp->req_header.rqs_entry_type, oop, optr);
1227 buddaboom = 1;
1228 }
1229
1230 if (sp->req_header.rqs_flags & 0xf) {
1231 if (sp->req_header.rqs_flags & RQSFLAG_CONTINUATION) {
1232 ISP_WRITE(isp, INMAILBOX5, optr);
1233 continue;
1234 }
1235 PRINTF("%s: rqs_flags=%x", isp->isp_name,
1236 sp->req_header.rqs_flags & 0xf);
1237 if (sp->req_header.rqs_flags & RQSFLAG_FULL) {
1238 PRINTF("%s: internal queues full\n",
1239 isp->isp_name);
1240 /* XXXX: this command *could* get restarted */
1241 buddaboom++;
1242 }
1243 if (sp->req_header.rqs_flags & RQSFLAG_BADHEADER) {
1244 PRINTF("%s: bad header\n", isp->isp_name);
1245 buddaboom++;
1246 }
1247 if (sp->req_header.rqs_flags & RQSFLAG_BADPACKET) {
1248 PRINTF("%s: bad request packet\n",
1249 isp->isp_name);
1250 buddaboom++;
1251 }
1252 }
1253 if (sp->req_handle > RQUEST_QUEUE_LEN || sp->req_handle < 1) {
1254 PRINTF("%s: bad request handle %d\n", isp->isp_name,
1255 sp->req_handle);
1256 ISP_WRITE(isp, INMAILBOX5, optr);
1257 continue;
1258 }
1259 xs = (ISP_SCSI_XFER_T *) isp->isp_xflist[sp->req_handle - 1];
1260 if (xs == NULL) {
1261 PRINTF("%s: NULL xs in xflist (handle %x)\n",
1262 isp->isp_name, sp->req_handle);
1263 isp_dumpxflist(isp);
1264 ISP_WRITE(isp, INMAILBOX5, optr);
1265 continue;
1266 }
1267 isp->isp_xflist[sp->req_handle - 1] = NULL;
1268 if (sp->req_status_flags & RQSTF_BUS_RESET) {
1269 isp->isp_sendmarker = 1;
1270 }
1271 if (buddaboom) {
1272 XS_SETERR(xs, HBA_BOTCH);
1273 }
1274 XS_STS(xs) = sp->req_scsi_status & 0xff;
1275 if (isp->isp_type & ISP_HA_SCSI) {
1276 if (sp->req_state_flags & RQSF_GOT_SENSE) {
1277 bcopy(sp->req_sense_data, XS_SNSP(xs),
1278 XS_SNSLEN(xs));
1279 XS_SNS_IS_VALID(xs);
1280 }
1281 } else {
1282 if (XS_STS(xs) == SCSI_CHECK) {
1283 XS_SNS_IS_VALID(xs);
1284 bcopy(sp->req_sense_data, XS_SNSP(xs),
1285 XS_SNSLEN(xs));
1286 sp->req_state_flags |= RQSF_GOT_SENSE;
1287 }
1288 }
1289 if (XS_NOERR(xs) && XS_STS(xs) == SCSI_BUSY) {
1290 XS_SETERR(xs, HBA_TGTBSY);
1291 }
1292
1293 if (sp->req_header.rqs_entry_type == RQSTYPE_RESPONSE) {
1294 if (XS_NOERR(xs)) {
1295 if (sp->req_completion_status != RQCS_COMPLETE) {
1296 isp_parse_status(isp, sp, xs);
1297 } else {
1298 XS_SETERR(xs, HBA_NOERROR);
1299 }
1300 }
1301 } else {
1302 PRINTF("%s: unknown return %x\n", isp->isp_name,
1303 sp->req_header.rqs_entry_type);
1304 if (XS_NOERR(xs))
1305 XS_SETERR(xs, HBA_BOTCH);
1306 }
1307 if (isp->isp_type & ISP_HA_SCSI) {
1308 XS_RESID(xs) = sp->req_resid;
1309 } else if (sp->req_scsi_status & RQCS_RU) {
1310 XS_RESID(xs) = sp->req_resid;
1311 IDPRINTF(4, ("%s: cnt %d rsd %d\n", isp->isp_name,
1312 XS_XFRLEN(xs), sp->req_resid));
1313 }
1314 if (XS_XFRLEN(xs)) {
1315 ISP_DMAFREE(isp, xs, sp->req_handle - 1);
1316 }
1317 /*
1318 * XXX: If we have a check condition, but no Sense Data,
1319 * XXX: mark it as an error (ARQ failed). We need to
1320 * XXX: to do a more distinct job because there may
1321 * XXX: cases where ARQ is disabled.
1322 */
1323 if (XS_STS(xs) == SCSI_CHECK && !(XS_IS_SNS_VALID(xs))) {
1324 if (XS_NOERR(xs)) {
1325 PRINTF("%s: ARQ failure for target %d lun %d\n",
1326 isp->isp_name, XS_TGT(xs), XS_LUN(xs));
1327 XS_SETERR(xs, HBA_ARQFAIL);
1328 }
1329 }
1330 if ((isp->isp_dblev >= 5) ||
1331 (isp->isp_dblev > 2 && !XS_NOERR(xs))) {
1332 PRINTF("%s(%d.%d): FIN%d dl%d resid%d STS %x",
1333 isp->isp_name, XS_TGT(xs), XS_LUN(xs),
1334 sp->req_header.rqs_seqno, XS_XFRLEN(xs),
1335 XS_RESID(xs), XS_STS(xs));
1336 if (sp->req_state_flags & RQSF_GOT_SENSE) {
1337 PRINTF(" Skey: %x", XS_SNSKEY(xs));
1338 if (!(XS_IS_SNS_VALID(xs))) {
1339 PRINTF(" BUT NOT SET");
1340 }
1341 }
1342 PRINTF(" XS_ERR=0x%x\n", (unsigned int) XS_ERR(xs));
1343 }
1344
1345 ISP_WRITE(isp, INMAILBOX5, optr);
1346 if (isp->isp_nactive > 0)
1347 isp->isp_nactive--;
1348 complist[ndone++] = xs; /* defer completion call until later */
1349 }
1350 /*
1351 * If we completed any commands, then it's valid to find out
1352 * what the outpointer is.
1353 */
1354 if (ndone) {
1355 isp->isp_reqodx = ISP_READ(isp, OUTMAILBOX4);
1356 }
1357 isp->isp_residx = optr;
1358 for (i = 0; i < ndone; i++) {
1359 xs = complist[i];
1360 if (xs) {
1361 XS_CMD_DONE(xs);
1362 }
1363 }
1364 return (1);
1365 }
1366
1367 /*
1368 * Support routines.
1369 */
1370
1371 static int
1372 isp_parse_async(isp, mbox)
1373 struct ispsoftc *isp;
1374 int mbox;
1375 {
1376 switch (mbox) {
1377 case ASYNC_BUS_RESET:
1378 PRINTF("%s: SCSI bus reset detected\n", isp->isp_name);
1379 isp->isp_sendmarker = 1;
1380 break;
1381
1382 case ASYNC_SYSTEM_ERROR:
1383 mbox = ISP_READ(isp, OUTMAILBOX1);
1384 PRINTF("%s: Internal FW Error @ RISC Addr 0x%x\n",
1385 isp->isp_name, mbox);
1386 isp_restart(isp);
1387 /* no point continuing after this */
1388 return (1);
1389
1390 case ASYNC_RQS_XFER_ERR:
1391 PRINTF("%s: Request Queue Transfer Error\n", isp->isp_name);
1392 break;
1393
1394 case ASYNC_RSP_XFER_ERR:
1395 PRINTF("%s: Response Queue Transfer Error\n", isp->isp_name);
1396 break;
1397
1398 case ASYNC_QWAKEUP:
1399 /* don't need to be chatty */
1400 mbox = ISP_READ(isp, OUTMAILBOX4);
1401 break;
1402
1403 case ASYNC_TIMEOUT_RESET:
1404 PRINTF("%s: timeout initiated SCSI bus reset\n", isp->isp_name);
1405 isp->isp_sendmarker = 1;
1406 break;
1407
1408 case ASYNC_DEVICE_RESET:
1409 PRINTF("%s: device reset\n", isp->isp_name);
1410 break;
1411
1412 case ASYNC_EXTMSG_UNDERRUN:
1413 PRINTF("%s: extended message underrun\n", isp->isp_name);
1414 break;
1415
1416 case ASYNC_SCAM_INT:
1417 PRINTF("%s: SCAM interrupt\n", isp->isp_name);
1418 break;
1419
1420 case ASYNC_HUNG_SCSI:
1421 PRINTF("%s: stalled SCSI Bus after DATA Overrun\n",
1422 isp->isp_name);
1423 /* XXX: Need to issue SCSI reset at this point */
1424 break;
1425
1426 case ASYNC_KILLED_BUS:
1427 PRINTF("%s: SCSI Bus reset after DATA Overrun\n",
1428 isp->isp_name);
1429 break;
1430
1431 case ASYNC_BUS_TRANSIT:
1432 PRINTF("%s: LBD->HVD Transition 0x%x\n",
1433 isp->isp_name, ISP_READ(isp, OUTMAILBOX1));
1434 break;
1435
1436 case ASYNC_CMD_CMPLT:
1437 PRINTF("%s: fast post completion\n", isp->isp_name);
1438 #if 0
1439 fast_post_handle = (ISP_READ(isp, OUTMAILBOX1) << 16) |
1440 ISP_READ(isp, OUTMAILBOX2);
1441 #endif
1442 break;
1443
1444 case ASYNC_CTIO_DONE:
1445 /* Should only occur when Fast Posting Set for 2100s */
1446 PRINTF("%s: CTIO done\n", isp->isp_name);
1447 break;
1448
1449 case ASYNC_LIP_OCCURRED:
1450 PRINTF("%s: LIP occurred\n", isp->isp_name);
1451 break;
1452
1453 case ASYNC_LOOP_UP:
1454 PRINTF("%s: Loop UP\n", isp->isp_name);
1455 break;
1456
1457 case ASYNC_LOOP_DOWN:
1458 PRINTF("%s: Loop DOWN\n", isp->isp_name);
1459 break;
1460
1461 case ASYNC_LOOP_RESET:
1462 PRINTF("%s: Loop RESET\n", isp->isp_name);
1463 break;
1464
1465 case ASYNC_PDB_CHANGED:
1466 PRINTF("%s: Port Database Changed\n", isp->isp_name);
1467 break;
1468
1469 case ASYNC_CHANGE_NOTIFY:
1470 PRINTF("%s: Name Server Database Changed\n", isp->isp_name);
1471 break;
1472
1473 default:
1474 PRINTF("%s: async %x\n", isp->isp_name, mbox);
1475 break;
1476 }
1477 return (0);
1478 }
1479
1480 static int
1481 isp_handle_other_response(isp, sp, optrp)
1482 struct ispsoftc *isp;
1483 ispstatusreq_t *sp;
1484 u_int8_t *optrp;
1485 {
1486 u_int8_t iptr, optr;
1487 int reqsize = 0;
1488 void *ireqp = NULL;
1489
1490
1491 switch (sp->req_header.rqs_entry_type) {
1492 case RQSTYPE_REQUEST:
1493 return (-1);
1494 default:
1495 PRINTF("%s: other response type %x\n", isp->isp_name,
1496 sp->req_header.rqs_entry_type);
1497 break;
1498 }
1499 if (reqsize) {
1500 void *reqp;
1501 optr = isp->isp_reqodx = ISP_READ(isp, OUTMAILBOX4);
1502 iptr = isp->isp_reqidx;
1503 reqp = (void *) ISP_QUEUE_ENTRY(isp->isp_rquest, iptr);
1504 iptr = ISP_NXT_QENTRY(iptr, RQUEST_QUEUE_LEN);
1505 if (iptr == optr) {
1506 PRINTF("%s: Request Queue Overflow other response\n",
1507 isp->isp_name);
1508 } else {
1509 bcopy(ireqp, reqp, reqsize);
1510 ISP_WRITE(isp, INMAILBOX4, iptr);
1511 isp->isp_reqidx = iptr;
1512 }
1513 }
1514 return (0);
1515 }
1516
1517
1518 static void
1519 isp_parse_status(isp, sp, xs)
1520 struct ispsoftc *isp;
1521 ispstatusreq_t *sp;
1522 ISP_SCSI_XFER_T *xs;
1523 {
1524 switch (sp->req_completion_status) {
1525 case RQCS_COMPLETE:
1526 XS_SETERR(xs, HBA_NOERROR);
1527 return;
1528
1529 case RQCS_INCOMPLETE:
1530 if ((sp->req_state_flags & RQSF_GOT_TARGET) == 0) {
1531 IDPRINTF(3, ("%s: Selection Timeout for target %d\n",
1532 isp->isp_name, XS_TGT(xs)));
1533 XS_SETERR(xs, HBA_SELTIMEOUT);
1534 return;
1535 }
1536 PRINTF("%s: command incomplete for target %d lun %d, state "
1537 "0x%x\n", isp->isp_name, XS_TGT(xs), XS_LUN(xs),
1538 sp->req_state_flags);
1539 break;
1540
1541 case RQCS_DMA_ERROR:
1542 PRINTF("%s: DMA error for command on target %d, lun %d\n",
1543 isp->isp_name, XS_TGT(xs), XS_LUN(xs));
1544 break;
1545
1546 case RQCS_TRANSPORT_ERROR:
1547 PRINTF("%s: transport error\n", isp->isp_name);
1548 isp_prtstst(sp);
1549 break;
1550
1551 case RQCS_RESET_OCCURRED:
1552 IDPRINTF(2, ("%s: bus reset destroyed command for target %d "
1553 "lun %d\n", isp->isp_name, XS_TGT(xs), XS_LUN(xs)));
1554 isp->isp_sendmarker = 1;
1555 XS_SETERR(xs, HBA_BUSRESET);
1556 return;
1557
1558 case RQCS_ABORTED:
1559 PRINTF("%s: command aborted for target %d lun %d\n",
1560 isp->isp_name, XS_TGT(xs), XS_LUN(xs));
1561 isp->isp_sendmarker = 1;
1562 XS_SETERR(xs, HBA_ABORTED);
1563 return;
1564
1565 case RQCS_TIMEOUT:
1566 IDPRINTF(2, ("%s: command timed out for target %d lun %d\n",
1567 isp->isp_name, XS_TGT(xs), XS_LUN(xs)));
1568 XS_SETERR(xs, HBA_CMDTIMEOUT);
1569 return;
1570
1571 case RQCS_DATA_OVERRUN:
1572 if (isp->isp_type & ISP_HA_FC) {
1573 XS_RESID(xs) = sp->req_resid;
1574 break;
1575 }
1576 XS_SETERR(xs, HBA_DATAOVR);
1577 return;
1578
1579 case RQCS_COMMAND_OVERRUN:
1580 PRINTF("%s: command overrun for command on target %d, lun %d\n",
1581 isp->isp_name, XS_TGT(xs), XS_LUN(xs));
1582 break;
1583
1584 case RQCS_STATUS_OVERRUN:
1585 PRINTF("%s: status overrun for command on target %d, lun %d\n",
1586 isp->isp_name, XS_TGT(xs), XS_LUN(xs));
1587 break;
1588
1589 case RQCS_BAD_MESSAGE:
1590 PRINTF("%s: message not COMMAND COMPLETE after status on "
1591 "target %d, lun %d\n", isp->isp_name, XS_TGT(xs),
1592 XS_LUN(xs));
1593 break;
1594
1595 case RQCS_NO_MESSAGE_OUT:
1596 PRINTF("%s: No MESSAGE OUT phase after selection on "
1597 "target %d, lun %d\n", isp->isp_name, XS_TGT(xs),
1598 XS_LUN(xs));
1599 break;
1600
1601 case RQCS_EXT_ID_FAILED:
1602 PRINTF("%s: EXTENDED IDENTIFY failed on target %d, lun %d\n",
1603 isp->isp_name, XS_TGT(xs), XS_LUN(xs));
1604 break;
1605
1606 case RQCS_IDE_MSG_FAILED:
1607 PRINTF("%s: target %d lun %d rejected INITIATOR DETECTED "
1608 "ERROR message\n", isp->isp_name, XS_TGT(xs), XS_LUN(xs));
1609 break;
1610
1611 case RQCS_ABORT_MSG_FAILED:
1612 PRINTF("%s: target %d lun %d rejected ABORT message\n",
1613 isp->isp_name, XS_TGT(xs), XS_LUN(xs));
1614 break;
1615
1616 case RQCS_REJECT_MSG_FAILED:
1617 PRINTF("%s: target %d lun %d rejected MESSAGE REJECT message\n",
1618 isp->isp_name, XS_TGT(xs), XS_LUN(xs));
1619 break;
1620
1621 case RQCS_NOP_MSG_FAILED:
1622 PRINTF("%s: target %d lun %d rejected NOP message\n",
1623 isp->isp_name, XS_TGT(xs), XS_LUN(xs));
1624 break;
1625
1626 case RQCS_PARITY_ERROR_MSG_FAILED:
1627 PRINTF("%s: target %d lun %d rejected MESSAGE PARITY ERROR "
1628 "message\n", isp->isp_name, XS_TGT(xs), XS_LUN(xs));
1629 break;
1630
1631 case RQCS_DEVICE_RESET_MSG_FAILED:
1632 PRINTF("%s: target %d lun %d rejected BUS DEVICE RESET "
1633 "message\n", isp->isp_name, XS_TGT(xs), XS_LUN(xs));
1634 break;
1635
1636 case RQCS_ID_MSG_FAILED:
1637 PRINTF("%s: target %d lun %d rejected IDENTIFY "
1638 "message\n", isp->isp_name, XS_TGT(xs), XS_LUN(xs));
1639 break;
1640
1641 case RQCS_UNEXP_BUS_FREE:
1642 PRINTF("%s: target %d lun %d had an unexpected bus free\n",
1643 isp->isp_name, XS_TGT(xs), XS_LUN(xs));
1644 break;
1645
1646 case RQCS_DATA_UNDERRUN:
1647 if (isp->isp_type & ISP_HA_FC) {
1648 XS_RESID(xs) = sp->req_resid;
1649 /* an UNDERRUN is not a botch ??? */
1650 }
1651 XS_SETERR(xs, HBA_NOERROR);
1652 return;
1653
1654 case RQCS_XACT_ERR1:
1655 PRINTF("%s: HBA attempted queued transaction with disconnect "
1656 "not set for target %d lun %d\n", isp->isp_name, XS_TGT(xs),
1657 XS_LUN(xs));
1658 break;
1659
1660 case RQCS_XACT_ERR2:
1661 PRINTF("%s: HBA attempted queued transaction to target "
1662 "routine %d on target %d\n", isp->isp_name, XS_LUN(xs),
1663 XS_TGT(xs));
1664 break;
1665
1666 case RQCS_XACT_ERR3:
1667 PRINTF("%s: HBA attempted queued transaction for target %d lun "
1668 "%d when queueing disabled\n", isp->isp_name, XS_TGT(xs),
1669 XS_LUN(xs));
1670 break;
1671
1672 case RQCS_BAD_ENTRY:
1673 PRINTF("%s: invalid IOCB entry type detected\n", isp->isp_name);
1674 break;
1675
1676 case RQCS_QUEUE_FULL:
1677 PRINTF("%s: internal queues full for target %d lun %d\n",
1678 isp->isp_name, XS_TGT(xs), XS_LUN(xs));
1679 break;
1680
1681 case RQCS_PHASE_SKIPPED:
1682 PRINTF("%s: SCSI phase skipped (e.g., COMMAND COMPLETE w/o "
1683 "STATUS phase) for target %d lun %d\n", isp->isp_name,
1684 XS_TGT(xs), XS_LUN(xs));
1685 break;
1686
1687 case RQCS_ARQS_FAILED:
1688 PRINTF("%s: Auto Request Sense failed for target %d lun %d\n",
1689 isp->isp_name, XS_TGT(xs), XS_LUN(xs));
1690 XS_SETERR(xs, HBA_ARQFAIL);
1691 return;
1692
1693 case RQCS_WIDE_FAILED:
1694 PRINTF("%s: Wide Negotiation failed for target %d lun %d\n",
1695 isp->isp_name, XS_TGT(xs), XS_LUN(xs));
1696 if (isp->isp_type & ISP_HA_SCSI) {
1697 sdparam *sdp = isp->isp_param;
1698 isp->isp_update = 1;
1699 sdp->isp_devparam[XS_TGT(xs)].dev_update = 1;
1700 sdp->isp_devparam[XS_TGT(xs)].dev_flags &= ~DPARM_WIDE;
1701 }
1702 XS_SETERR(xs, HBA_NOERROR);
1703 return;
1704
1705 case RQCS_SYNCXFER_FAILED:
1706 PRINTF("%s: SDTR Message failed for target %d lun %d\n",
1707 isp->isp_name, XS_TGT(xs), XS_LUN(xs));
1708 if (isp->isp_type & ISP_HA_SCSI) {
1709 sdparam *sdp = isp->isp_param;
1710 isp->isp_update = 1;
1711 sdp->isp_devparam[XS_TGT(xs)].dev_update = 1;
1712 sdp->isp_devparam[XS_TGT(xs)].dev_flags &= ~DPARM_SYNC;
1713 }
1714 break;
1715
1716 case RQCS_LVD_BUSERR:
1717 PRINTF("%s: Bad LVD Bus condition while talking to target %d "
1718 "lun %d\n", isp->isp_name, XS_TGT(xs), XS_LUN(xs));
1719 break;
1720
1721 case RQCS_PORT_UNAVAILABLE:
1722 /*
1723 * No such port on the loop. Moral equivalent of SELTIMEO
1724 */
1725 IDPRINTF(3, ("%s: Port Unavailable for target %d\n",
1726 isp->isp_name, XS_TGT(xs)));
1727 XS_SETERR(xs, HBA_SELTIMEOUT);
1728 return;
1729
1730 case RQCS_PORT_LOGGED_OUT:
1731 /*
1732 * It was there (maybe)- treat as a selection timeout.
1733 */
1734 PRINTF("%s: port logout for target %d\n",
1735 isp->isp_name, XS_TGT(xs));
1736 XS_SETERR(xs, HBA_SELTIMEOUT);
1737 return;
1738
1739 case RQCS_PORT_CHANGED:
1740 PRINTF("%s: port changed for target %d\n",
1741 isp->isp_name, XS_TGT(xs));
1742 break;
1743
1744 case RQCS_PORT_BUSY:
1745 PRINTF("%s: port busy for target %d\n",
1746 isp->isp_name, XS_TGT(xs));
1747 XS_SETERR(xs, HBA_TGTBSY);
1748 return;
1749
1750 default:
1751 PRINTF("%s: comp status %x\n", isp->isp_name,
1752 sp->req_completion_status);
1753 break;
1754 }
1755 XS_SETERR(xs, HBA_BOTCH);
1756 }
1757
1758 #define HINIB(x) ((x) >> 0x4)
1759 #define LONIB(x) ((x) & 0xf)
1760 #define MAKNIB(a, b) (((a) << 4) | (b))
1761 static u_int8_t mbpcnt[] = {
1762 MAKNIB(1, 1), /* 0x00: MBOX_NO_OP */
1763 MAKNIB(5, 5), /* 0x01: MBOX_LOAD_RAM */
1764 MAKNIB(2, 0), /* 0x02: MBOX_EXEC_FIRMWARE */
1765 MAKNIB(5, 5), /* 0x03: MBOX_DUMP_RAM */
1766 MAKNIB(3, 3), /* 0x04: MBOX_WRITE_RAM_WORD */
1767 MAKNIB(2, 3), /* 0x05: MBOX_READ_RAM_WORD */
1768 MAKNIB(6, 6), /* 0x06: MBOX_MAILBOX_REG_TEST */
1769 MAKNIB(2, 3), /* 0x07: MBOX_VERIFY_CHECKSUM */
1770 MAKNIB(1, 3), /* 0x08: MBOX_ABOUT_FIRMWARE */
1771 MAKNIB(0, 0), /* 0x09: */
1772 MAKNIB(0, 0), /* 0x0a: */
1773 MAKNIB(0, 0), /* 0x0b: */
1774 MAKNIB(0, 0), /* 0x0c: */
1775 MAKNIB(0, 0), /* 0x0d: */
1776 MAKNIB(1, 2), /* 0x0e: MBOX_CHECK_FIRMWARE */
1777 MAKNIB(0, 0), /* 0x0f: */
1778 MAKNIB(5, 5), /* 0x10: MBOX_INIT_REQ_QUEUE */
1779 MAKNIB(6, 6), /* 0x11: MBOX_INIT_RES_QUEUE */
1780 MAKNIB(4, 4), /* 0x12: MBOX_EXECUTE_IOCB */
1781 MAKNIB(2, 2), /* 0x13: MBOX_WAKE_UP */
1782 MAKNIB(1, 6), /* 0x14: MBOX_STOP_FIRMWARE */
1783 MAKNIB(4, 4), /* 0x15: MBOX_ABORT */
1784 MAKNIB(2, 2), /* 0x16: MBOX_ABORT_DEVICE */
1785 MAKNIB(3, 3), /* 0x17: MBOX_ABORT_TARGET */
1786 MAKNIB(2, 2), /* 0x18: MBOX_BUS_RESET */
1787 MAKNIB(2, 3), /* 0x19: MBOX_STOP_QUEUE */
1788 MAKNIB(2, 3), /* 0x1a: MBOX_START_QUEUE */
1789 MAKNIB(2, 3), /* 0x1b: MBOX_SINGLE_STEP_QUEUE */
1790 MAKNIB(2, 3), /* 0x1c: MBOX_ABORT_QUEUE */
1791 MAKNIB(2, 4), /* 0x1d: MBOX_GET_DEV_QUEUE_STATUS */
1792 MAKNIB(0, 0), /* 0x1e: */
1793 MAKNIB(1, 3), /* 0x1f: MBOX_GET_FIRMWARE_STATUS */
1794 MAKNIB(1, 3), /* 0x20: MBOX_GET_INIT_SCSI_ID, MBOX_GET_LOOP_ID */
1795 MAKNIB(1, 2), /* 0x21: MBOX_GET_SELECT_TIMEOUT */
1796 MAKNIB(1, 3), /* 0x22: MBOX_GET_RETRY_COUNT */
1797 MAKNIB(1, 2), /* 0x23: MBOX_GET_TAG_AGE_LIMIT */
1798 MAKNIB(1, 2), /* 0x24: MBOX_GET_CLOCK_RATE */
1799 MAKNIB(1, 2), /* 0x25: MBOX_GET_ACT_NEG_STATE */
1800 MAKNIB(1, 2), /* 0x26: MBOX_GET_ASYNC_DATA_SETUP_TIME */
1801 MAKNIB(1, 3), /* 0x27: MBOX_GET_PCI_PARAMS */
1802 MAKNIB(2, 4), /* 0x28: MBOX_GET_TARGET_PARAMS */
1803 MAKNIB(2, 4), /* 0x29: MBOX_GET_DEV_QUEUE_PARAMS */
1804 MAKNIB(0, 0), /* 0x2a: */
1805 MAKNIB(0, 0), /* 0x2b: */
1806 MAKNIB(0, 0), /* 0x2c: */
1807 MAKNIB(0, 0), /* 0x2d: */
1808 MAKNIB(0, 0), /* 0x2e: */
1809 MAKNIB(0, 0), /* 0x2f: */
1810 MAKNIB(2, 2), /* 0x30: MBOX_SET_INIT_SCSI_ID */
1811 MAKNIB(2, 2), /* 0x31: MBOX_SET_SELECT_TIMEOUT */
1812 MAKNIB(3, 3), /* 0x32: MBOX_SET_RETRY_COUNT */
1813 MAKNIB(2, 2), /* 0x33: MBOX_SET_TAG_AGE_LIMIT */
1814 MAKNIB(2, 2), /* 0x34: MBOX_SET_CLOCK_RATE */
1815 MAKNIB(2, 2), /* 0x35: MBOX_SET_ACTIVE_NEG_STATE */
1816 MAKNIB(2, 2), /* 0x36: MBOX_SET_ASYNC_DATA_SETUP_TIME */
1817 MAKNIB(3, 3), /* 0x37: MBOX_SET_PCI_CONTROL_PARAMS */
1818 MAKNIB(4, 4), /* 0x38: MBOX_SET_TARGET_PARAMS */
1819 MAKNIB(4, 4), /* 0x39: MBOX_SET_DEV_QUEUE_PARAMS */
1820 MAKNIB(0, 0), /* 0x3a: */
1821 MAKNIB(0, 0), /* 0x3b: */
1822 MAKNIB(0, 0), /* 0x3c: */
1823 MAKNIB(0, 0), /* 0x3d: */
1824 MAKNIB(0, 0), /* 0x3e: */
1825 MAKNIB(0, 0), /* 0x3f: */
1826 MAKNIB(1, 2), /* 0x40: MBOX_RETURN_BIOS_BLOCK_ADDR */
1827 MAKNIB(6, 1), /* 0x41: MBOX_WRITE_FOUR_RAM_WORDS */
1828 MAKNIB(2, 3), /* 0x42: MBOX_EXEC_BIOS_IOCB */
1829 MAKNIB(0, 0), /* 0x43: */
1830 MAKNIB(0, 0), /* 0x44: */
1831 MAKNIB(0, 0), /* 0x45: */
1832 MAKNIB(0, 0), /* 0x46: */
1833 MAKNIB(0, 0), /* 0x47: */
1834 MAKNIB(0, 0), /* 0x48: */
1835 MAKNIB(0, 0), /* 0x49: */
1836 MAKNIB(0, 0), /* 0x4a: */
1837 MAKNIB(0, 0), /* 0x4b: */
1838 MAKNIB(0, 0), /* 0x4c: */
1839 MAKNIB(0, 0), /* 0x4d: */
1840 MAKNIB(0, 0), /* 0x4e: */
1841 MAKNIB(0, 0), /* 0x4f: */
1842 MAKNIB(0, 0), /* 0x50: */
1843 MAKNIB(0, 0), /* 0x51: */
1844 MAKNIB(0, 0), /* 0x52: */
1845 MAKNIB(0, 0), /* 0x53: */
1846 MAKNIB(8, 0), /* 0x54: MBOX_EXEC_COMMAND_IOCB_A64 */
1847 MAKNIB(0, 0), /* 0x55: */
1848 MAKNIB(0, 0), /* 0x56: */
1849 MAKNIB(0, 0), /* 0x57: */
1850 MAKNIB(0, 0), /* 0x58: */
1851 MAKNIB(0, 0), /* 0x59: */
1852 MAKNIB(0, 0), /* 0x5a: */
1853 MAKNIB(0, 0), /* 0x5b: */
1854 MAKNIB(0, 0), /* 0x5c: */
1855 MAKNIB(0, 0), /* 0x5d: */
1856 MAKNIB(0, 0), /* 0x5e: */
1857 MAKNIB(0, 0), /* 0x5f: */
1858 MAKNIB(8, 6), /* 0x60: MBOX_INIT_FIRMWARE */
1859 MAKNIB(0, 0), /* 0x60: MBOX_GET_INIT_CONTROL_BLOCK (FORMAT?) */
1860 MAKNIB(2, 1), /* 0x62: MBOX_INIT_LIP */
1861 MAKNIB(8, 1), /* 0x63: MBOX_GET_FC_AL_POSITION_MAP */
1862 MAKNIB(8, 1), /* 0x64: MBOX_GET_PORT_DB */
1863 MAKNIB(3, 1), /* 0x65: MBOX_CLEAR_ACA */
1864 MAKNIB(3, 1), /* 0x66: MBOX_TARGET_RESET */
1865 MAKNIB(3, 1), /* 0x67: MBOX_CLEAR_TASK_SET */
1866 MAKNIB(3, 1), /* 0x69: MBOX_ABORT_TASK_SET */
1867 MAKNIB(1, 2) /* 0x69: MBOX_GET_FW_STATE */
1868 };
1869 #define NMBCOM (sizeof (mbpcnt) / sizeof (mbpcnt[0]))
1870
1871 static void
1872 isp_mboxcmd(isp, mbp)
1873 struct ispsoftc *isp;
1874 mbreg_t *mbp;
1875 {
1876 int outparam, inparam;
1877 int loops, dld = 0;
1878 u_int8_t opcode;
1879
1880 if (mbp->param[0] == ISP2100_SET_PCI_PARAM) {
1881 opcode = mbp->param[0] = MBOX_SET_PCI_PARAMETERS;
1882 inparam = 4;
1883 outparam = 4;
1884 goto command_known;
1885 } else if (mbp->param[0] > NMBCOM) {
1886 PRINTF("%s: bad command %x\n", isp->isp_name, mbp->param[0]);
1887 return;
1888 }
1889
1890 opcode = mbp->param[0];
1891 inparam = HINIB(mbpcnt[mbp->param[0]]);
1892 outparam = LONIB(mbpcnt[mbp->param[0]]);
1893
1894 if (inparam == 0 && outparam == 0) {
1895 PRINTF("%s: no parameters for %x\n", isp->isp_name,
1896 mbp->param[0]);
1897 return;
1898 }
1899
1900
1901 /*
1902 * Check for variants
1903 */
1904 #ifdef SCCLUN
1905 if (isp->isp_type & ISP_HA_FC) {
1906 switch (mbp->param[0]) {
1907 case MBOX_ABORT:
1908 inparam = 7;
1909 break;
1910 case MBOX_ABORT_DEVICE:
1911 case MBOX_START_QUEUE:
1912 case MBOX_STOP_QUEUE:
1913 case MBOX_SINGLE_STEP_QUEUE:
1914 case MBOX_ABORT_QUEUE:
1915 case MBOX_GET_DEV_QUEUE_STATUS:
1916 inparam = 3;
1917 break;
1918 default:
1919 break;
1920 }
1921 }
1922 #endif
1923
1924 command_known:
1925
1926 /*
1927 * Make sure we can send some words..
1928 */
1929
1930 loops = MBOX_DELAY_COUNT;
1931 while ((ISP_READ(isp, HCCR) & HCCR_HOST_INT) != 0) {
1932 SYS_DELAY(100);
1933 if (--loops < 0) {
1934 PRINTF("%s: isp_mboxcmd timeout #1\n", isp->isp_name);
1935 if (dld++) {
1936 return;
1937 }
1938 PRINTF("%s: but we'll try again, isr=%x\n",
1939 isp->isp_name, ISP_READ(isp, BIU_ISR));
1940 if (ISP_READ(isp, BIU_SEMA) & 1) {
1941 u_int16_t mbox = ISP_READ(isp, OUTMAILBOX0);
1942 if (isp_parse_async(isp, (int) mbox))
1943 return;
1944 ISP_WRITE(isp, BIU_SEMA, 0);
1945 }
1946 ISP_WRITE(isp, HCCR, HCCR_CMD_CLEAR_RISC_INT);
1947 goto command_known;
1948 }
1949 }
1950
1951 /*
1952 * Write input parameters
1953 */
1954 switch (inparam) {
1955 case 8: ISP_WRITE(isp, INMAILBOX7, mbp->param[7]); mbp->param[7] = 0;
1956 case 7: ISP_WRITE(isp, INMAILBOX6, mbp->param[6]); mbp->param[6] = 0;
1957 case 6: ISP_WRITE(isp, INMAILBOX5, mbp->param[5]); mbp->param[5] = 0;
1958 case 5: ISP_WRITE(isp, INMAILBOX4, mbp->param[4]); mbp->param[4] = 0;
1959 case 4: ISP_WRITE(isp, INMAILBOX3, mbp->param[3]); mbp->param[3] = 0;
1960 case 3: ISP_WRITE(isp, INMAILBOX2, mbp->param[2]); mbp->param[2] = 0;
1961 case 2: ISP_WRITE(isp, INMAILBOX1, mbp->param[1]); mbp->param[1] = 0;
1962 case 1: ISP_WRITE(isp, INMAILBOX0, mbp->param[0]); mbp->param[0] = 0;
1963 }
1964
1965 /*
1966 * Clear semaphore on mailbox registers
1967 */
1968 ISP_WRITE(isp, BIU_SEMA, 0);
1969
1970 /*
1971 * Clear RISC int condition.
1972 */
1973 ISP_WRITE(isp, HCCR, HCCR_CMD_CLEAR_RISC_INT);
1974
1975 /*
1976 * Set Host Interrupt condition so that RISC will pick up mailbox regs.
1977 */
1978 ISP_WRITE(isp, HCCR, HCCR_CMD_SET_HOST_INT);
1979
1980 /*
1981 * Wait until RISC int is set, except 2100
1982 */
1983 if ((isp->isp_type & ISP_HA_FC) == 0) {
1984 loops = MBOX_DELAY_COUNT;
1985 while ((ISP_READ(isp, BIU_ISR) & BIU_ISR_RISC_INT) == 0) {
1986 SYS_DELAY(100);
1987 if (--loops < 0) {
1988 PRINTF("%s: isp_mboxcmd timeout #2\n",
1989 isp->isp_name);
1990 return;
1991 }
1992 }
1993 }
1994
1995 /*
1996 * Check to make sure that the semaphore has been set.
1997 */
1998 loops = MBOX_DELAY_COUNT;
1999 while ((ISP_READ(isp, BIU_SEMA) & 1) == 0) {
2000 SYS_DELAY(100);
2001 if (--loops < 0) {
2002 PRINTF("%s: isp_mboxcmd timeout #3\n", isp->isp_name);
2003 return;
2004 }
2005 }
2006
2007 /*
2008 * Make sure that the MBOX_BUSY has gone away
2009 */
2010 loops = MBOX_DELAY_COUNT;
2011 while (ISP_READ(isp, OUTMAILBOX0) == MBOX_BUSY) {
2012 SYS_DELAY(100);
2013 if (--loops < 0) {
2014 PRINTF("%s: isp_mboxcmd timeout #4\n", isp->isp_name);
2015 return;
2016 }
2017 }
2018
2019
2020 /*
2021 * Pick up output parameters.
2022 */
2023 switch (outparam) {
2024 case 8: mbp->param[7] = ISP_READ(isp, OUTMAILBOX7);
2025 case 7: mbp->param[6] = ISP_READ(isp, OUTMAILBOX6);
2026 case 6: mbp->param[5] = ISP_READ(isp, OUTMAILBOX5);
2027 case 5: mbp->param[4] = ISP_READ(isp, OUTMAILBOX4);
2028 case 4: mbp->param[3] = ISP_READ(isp, OUTMAILBOX3);
2029 case 3: mbp->param[2] = ISP_READ(isp, OUTMAILBOX2);
2030 case 2: mbp->param[1] = ISP_READ(isp, OUTMAILBOX1);
2031 case 1: mbp->param[0] = ISP_READ(isp, OUTMAILBOX0);
2032 }
2033
2034 /*
2035 * Clear RISC int.
2036 */
2037 ISP_WRITE(isp, HCCR, HCCR_CMD_CLEAR_RISC_INT);
2038
2039 /*
2040 * Release semaphore on mailbox registers
2041 */
2042 ISP_WRITE(isp, BIU_SEMA, 0);
2043
2044 /*
2045 * Just to be chatty here...
2046 */
2047 switch(mbp->param[0]) {
2048 case MBOX_COMMAND_COMPLETE:
2049 break;
2050 case MBOX_INVALID_COMMAND:
2051 IDPRINTF(2, ("%s: mbox cmd %x failed with INVALID_COMMAND\n",
2052 isp->isp_name, opcode));
2053 break;
2054 case MBOX_HOST_INTERFACE_ERROR:
2055 PRINTF("%s: mbox cmd %x failed with HOST_INTERFACE_ERROR\n",
2056 isp->isp_name, opcode);
2057 break;
2058 case MBOX_TEST_FAILED:
2059 PRINTF("%s: mbox cmd %x failed with TEST_FAILED\n",
2060 isp->isp_name, opcode);
2061 break;
2062 case MBOX_COMMAND_ERROR:
2063 PRINTF("%s: mbox cmd %x failed with COMMAND_ERROR\n",
2064 isp->isp_name, opcode);
2065 break;
2066 case MBOX_COMMAND_PARAM_ERROR:
2067 PRINTF("%s: mbox cmd %x failed with COMMAND_PARAM_ERROR\n",
2068 isp->isp_name, opcode);
2069 break;
2070
2071 /*
2072 * Be silent about these...
2073 */
2074
2075 case ASYNC_LOOP_UP:
2076 case ASYNC_LIP_OCCURRED:
2077 case ASYNC_PDB_CHANGED:
2078 break;
2079
2080 default:
2081 /*
2082 * The expected return of EXEC_FIRMWARE is zero.
2083 */
2084 if ((opcode == MBOX_EXEC_FIRMWARE && mbp->param[0] != 0) ||
2085 (opcode != MBOX_EXEC_FIRMWARE)) {
2086 PRINTF("%s: mbox cmd %x failed with error %x\n",
2087 isp->isp_name, opcode, mbp->param[0]);
2088 }
2089 break;
2090 }
2091 }
2092
2093 void
2094 isp_lostcmd(isp, xs)
2095 struct ispsoftc *isp;
2096 ISP_SCSI_XFER_T *xs;
2097 {
2098 mbreg_t mbs;
2099
2100 mbs.param[0] = MBOX_GET_FIRMWARE_STATUS;
2101 isp_mboxcmd(isp, &mbs);
2102 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
2103 isp_dumpregs(isp, "couldn't GET FIRMWARE STATUS");
2104 return;
2105 }
2106 if (mbs.param[1]) {
2107 PRINTF("%s: %d commands on completion queue\n",
2108 isp->isp_name, mbs.param[1]);
2109 }
2110 if (XS_NULL(xs))
2111 return;
2112
2113 mbs.param[0] = MBOX_GET_DEV_QUEUE_STATUS;
2114 mbs.param[1] = (XS_TGT(xs) << 8) | XS_LUN(xs);
2115 isp_mboxcmd(isp, &mbs);
2116 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
2117 isp_dumpregs(isp, "couldn't GET DEVICE QUEUE STATUS");
2118 return;
2119 }
2120 PRINTF("%s: lost command for target %d lun %d, %d active of %d, "
2121 "Queue State: %x\n", isp->isp_name, XS_TGT(xs),
2122 XS_LUN(xs), mbs.param[2], mbs.param[3], mbs.param[1]);
2123
2124 isp_dumpregs(isp, "lost command");
2125 /*
2126 * XXX: Need to try and do something to recover.
2127 */
2128 }
2129
2130 static void
2131 isp_dumpregs(isp, msg)
2132 struct ispsoftc *isp;
2133 const char *msg;
2134 {
2135 PRINTF("%s: %s\n", isp->isp_name, msg);
2136 if (isp->isp_type & ISP_HA_SCSI)
2137 PRINTF(" biu_conf1=%x", ISP_READ(isp, BIU_CONF1));
2138 else
2139 PRINTF(" biu_csr=%x", ISP_READ(isp, BIU2100_CSR));
2140 PRINTF(" biu_icr=%x biu_isr=%x biu_sema=%x ", ISP_READ(isp, BIU_ICR),
2141 ISP_READ(isp, BIU_ISR), ISP_READ(isp, BIU_SEMA));
2142 PRINTF("risc_hccr=%x\n", ISP_READ(isp, HCCR));
2143
2144 if (isp->isp_type & ISP_HA_SCSI) {
2145 ISP_WRITE(isp, HCCR, HCCR_CMD_PAUSE);
2146 PRINTF(" cdma_conf=%x cdma_sts=%x cdma_fifostat=%x\n",
2147 ISP_READ(isp, CDMA_CONF), ISP_READ(isp, CDMA_STATUS),
2148 ISP_READ(isp, CDMA_FIFO_STS));
2149 PRINTF(" ddma_conf=%x ddma_sts=%x ddma_fifostat=%x\n",
2150 ISP_READ(isp, DDMA_CONF), ISP_READ(isp, DDMA_STATUS),
2151 ISP_READ(isp, DDMA_FIFO_STS));
2152 PRINTF(" sxp_int=%x sxp_gross=%x sxp(scsi_ctrl)=%x\n",
2153 ISP_READ(isp, SXP_INTERRUPT),
2154 ISP_READ(isp, SXP_GROSS_ERR),
2155 ISP_READ(isp, SXP_PINS_CONTROL));
2156 ISP_WRITE(isp, HCCR, HCCR_CMD_RELEASE);
2157 }
2158 ISP_DUMPREGS(isp);
2159 }
2160
2161 static void
2162 isp_dumpxflist(isp)
2163 struct ispsoftc *isp;
2164 {
2165 volatile ISP_SCSI_XFER_T *xs;
2166 int i, hdp;
2167
2168 for (hdp = i = 0; i < RQUEST_QUEUE_LEN; i++) {
2169 xs = isp->isp_xflist[i];
2170 if (xs == NULL) {
2171 continue;
2172 }
2173 if (hdp == 0) {
2174 PRINTF("%s: active requests\n", isp->isp_name);
2175 hdp++;
2176 }
2177 PRINTF(" Active Handle %d: tgt %d lun %d dlen %d\n",
2178 i+1, XS_TGT(xs), XS_LUN(xs), XS_XFRLEN(xs));
2179 }
2180 }
2181
2182 static void
2183 isp_fw_state(isp)
2184 struct ispsoftc *isp;
2185 {
2186 mbreg_t mbs;
2187 if (isp->isp_type & ISP_HA_FC) {
2188 int once = 0;
2189 fcparam *fcp = isp->isp_param;
2190 again:
2191 mbs.param[0] = MBOX_GET_FW_STATE;
2192 isp_mboxcmd(isp, &mbs);
2193 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
2194 if (mbs.param[0] == ASYNC_LIP_OCCURRED ||
2195 mbs.param[0] == ASYNC_PDB_CHANGED ||
2196 mbs.param[0] == ASYNC_LOOP_UP) {
2197 if (once++ < 2) {
2198 goto again;
2199 }
2200 }
2201 isp_dumpregs(isp, "GET FIRMWARE STATE failed");
2202 return;
2203 }
2204 fcp->isp_fwstate = mbs.param[1];
2205 }
2206 }
2207
2208 static void
2209 isp_update(isp)
2210 struct ispsoftc *isp;
2211 {
2212 int tgt;
2213 mbreg_t mbs;
2214 sdparam *sdp;
2215
2216 isp->isp_update = 0;
2217
2218 if (isp->isp_type & ISP_HA_FC) {
2219 return;
2220 }
2221
2222 sdp = isp->isp_param;
2223 for (tgt = 0; tgt < MAX_TARGETS; tgt++) {
2224 if (sdp->isp_devparam[tgt].dev_enable == 0) {
2225 continue;
2226 }
2227 if (sdp->isp_devparam[tgt].dev_update == 0) {
2228 continue;
2229 }
2230
2231 mbs.param[0] = MBOX_SET_TARGET_PARAMS;
2232 mbs.param[1] = tgt << 8;
2233 mbs.param[2] = sdp->isp_devparam[tgt].dev_flags;
2234 mbs.param[3] =
2235 (sdp->isp_devparam[tgt].sync_offset << 8) |
2236 (sdp->isp_devparam[tgt].sync_period);
2237
2238 IDPRINTF(3, ("\n%s: tgt %d cflags %x offset %x period %x\n",
2239 isp->isp_name, tgt, mbs.param[2], mbs.param[3] >> 8,
2240 mbs.param[3] & 0xff));
2241
2242 isp_mboxcmd(isp, &mbs);
2243 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
2244 PRINTF("%s: failed to change SCSI parameters for "
2245 "target %d\n", isp->isp_name, tgt);
2246 } else {
2247 char *wt;
2248 int x, flags;
2249
2250 flags = sdp->isp_devparam[tgt].cur_dflags =
2251 sdp->isp_devparam[tgt].dev_flags;
2252
2253 x = sdp->isp_devparam[tgt].sync_period & 0xff;
2254 if (flags & DPARM_SYNC) {
2255 if (x == (ISP_20M_SYNCPARMS & 0xff)) {
2256 x = 20;
2257 } else if (x == (ISP_10M_SYNCPARMS & 0xff)) {
2258 x = 10;
2259 } else if (x == (ISP_08M_SYNCPARMS & 0xff)) {
2260 x = 8;
2261 } else if (x == (ISP_05M_SYNCPARMS & 0xff)) {
2262 x = 5;
2263 } else if (x == (ISP_04M_SYNCPARMS & 0xff)) {
2264 x = 4;
2265 } else {
2266 x = 0;
2267 }
2268 } else {
2269 x = 0;
2270 }
2271 switch (flags & (DPARM_WIDE|DPARM_TQING)) {
2272 case DPARM_WIDE:
2273 wt = ", 16 bit wide\n";
2274 break;
2275 case DPARM_TQING:
2276 wt = ", Tagged Queueing Enabled\n";
2277 break;
2278 case DPARM_WIDE|DPARM_TQING:
2279 wt = ", 16 bit wide, Tagged Queueing Enabled\n";
2280 break;
2281
2282 default:
2283 wt = "\n";
2284 break;
2285 }
2286 if (x) {
2287 IDPRINTF(3, ("%s: Target %d maximum Sync Mode "
2288 "at %dMHz%s", isp->isp_name, tgt, x, wt));
2289 } else {
2290 IDPRINTF(3, ("%s: Target %d Async Mode%s",
2291 isp->isp_name, tgt, wt));
2292 }
2293 }
2294 sdp->isp_devparam[tgt].dev_update = 0;
2295 }
2296 }
2297
2298 static void
2299 isp_setdfltparm(isp)
2300 struct ispsoftc *isp;
2301 {
2302 int i, use_nvram;
2303 mbreg_t mbs;
2304 sdparam *sdp;
2305
2306 /*
2307 * Been there, done that, got the T-shirt...
2308 */
2309 if (isp->isp_gotdparms) {
2310 IDPRINTF(3, ("%s: already have dparms\n", isp->isp_name));
2311 return;
2312 }
2313 isp->isp_gotdparms = 1;
2314
2315 use_nvram = (isp_read_nvram(isp) == 0);
2316 if (use_nvram) {
2317 return;
2318 }
2319 if (isp->isp_type & ISP_HA_FC) {
2320 fcparam *fcp = (fcparam *) isp->isp_param;
2321 fcp->isp_maxfrmlen = ICB_DFLT_FRMLEN;
2322 fcp->isp_maxalloc = 256;
2323 fcp->isp_execthrottle = 16;
2324 fcp->isp_retry_delay = 5;
2325 fcp->isp_retry_count = 0;
2326 /*
2327 * It would be nice to fake up a WWN in case we don't
2328 * get one out of NVRAM. Solaris does this for SOCAL
2329 * cards that don't have SBus properties- it sets up
2330 * a WWN based upon the system MAC Address.
2331 */
2332 fcp->isp_wwn = 0;
2333 return;
2334 }
2335
2336 sdp = (sdparam *) isp->isp_param;
2337 mbs.param[0] = MBOX_GET_ACT_NEG_STATE;
2338 isp_mboxcmd(isp, &mbs);
2339 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
2340 IDPRINTF(2, ("could not GET ACT NEG STATE\n"));
2341 sdp->isp_req_ack_active_neg = 1;
2342 sdp->isp_data_line_active_neg = 1;
2343 } else {
2344 sdp->isp_req_ack_active_neg = (mbs.param[1] >> 4) & 0x1;
2345 sdp->isp_data_line_active_neg = (mbs.param[1] >> 5) & 0x1;
2346 }
2347 for (i = 0; i < MAX_TARGETS; i++) {
2348
2349 mbs.param[0] = MBOX_GET_TARGET_PARAMS;
2350 mbs.param[1] = i << 8;
2351 isp_mboxcmd(isp, &mbs);
2352 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
2353 PRINTF("%s: can't get SCSI parameters for target %d\n",
2354 isp->isp_name, i);
2355 sdp->isp_devparam[i].sync_period = 0;
2356 sdp->isp_devparam[i].sync_offset = 0;
2357 sdp->isp_devparam[i].dev_flags = DPARM_SAFE_DFLT;
2358 continue;
2359 }
2360 sdp->isp_devparam[i].dev_flags = mbs.param[2];
2361
2362 /*
2363 * The maximum period we can really see
2364 * here is 100 (decimal), or 400 ns.
2365 * For some unknown reason we sometimes
2366 * get back wildass numbers from the
2367 * boot device's parameters.
2368 *
2369 * XXX: Hmm- this may be based on a different
2370 * XXX: clock rate.
2371 */
2372 if ((mbs.param[3] & 0xff) <= 0x64) {
2373 sdp->isp_devparam[i].sync_period = mbs.param[3] & 0xff;
2374 sdp->isp_devparam[i].sync_offset = mbs.param[3] >> 8;
2375 }
2376
2377 /*
2378 * It is not safe to run Ultra Mode with a clock < 60.
2379 */
2380 if (((sdp->isp_clock && sdp->isp_clock < 60) ||
2381 (isp->isp_type < ISP_HA_SCSI_1020A)) &&
2382 (sdp->isp_devparam[i].sync_period ==
2383 (ISP_20M_SYNCPARMS & 0xff))) {
2384 sdp->isp_devparam[i].sync_offset =
2385 ISP_10M_SYNCPARMS >> 8;
2386 sdp->isp_devparam[i].sync_period =
2387 ISP_10M_SYNCPARMS & 0xff;
2388 }
2389
2390 }
2391
2392 /*
2393 * Set Default Host Adapter Parameters
2394 */
2395 sdp->isp_cmd_dma_burst_enable = 1;
2396 sdp->isp_data_dma_burst_enabl = 1;
2397 sdp->isp_fifo_threshold = 0;
2398 sdp->isp_initiator_id = 7;
2399 if (isp->isp_type >= ISP_HA_SCSI_1040) {
2400 sdp->isp_async_data_setup = 9;
2401 } else {
2402 sdp->isp_async_data_setup = 6;
2403 }
2404 sdp->isp_selection_timeout = 250;
2405 sdp->isp_max_queue_depth = 128;
2406 sdp->isp_tag_aging = 8;
2407 sdp->isp_bus_reset_delay = 3;
2408 sdp->isp_retry_count = 0;
2409 sdp->isp_retry_delay = 1;
2410
2411 for (i = 0; i < MAX_TARGETS; i++) {
2412 sdp->isp_devparam[i].exc_throttle = 16;
2413 sdp->isp_devparam[i].dev_enable = 1;
2414 }
2415 }
2416
2417 /*
2418 * Re-initialize the ISP and complete all orphaned commands
2419 * with a 'botched' notice.
2420 *
2421 * Locks held prior to coming here.
2422 */
2423
2424 void
2425 isp_restart(isp)
2426 struct ispsoftc *isp;
2427 {
2428 ISP_SCSI_XFER_T *tlist[RQUEST_QUEUE_LEN], *xs;
2429 int i;
2430
2431 for (i = 0; i < RQUEST_QUEUE_LEN; i++) {
2432 tlist[i] = (ISP_SCSI_XFER_T *) isp->isp_xflist[i];
2433 isp->isp_xflist[i] = NULL;
2434 }
2435 isp_reset(isp);
2436 if (isp->isp_state == ISP_RESETSTATE) {
2437 isp_init(isp);
2438 if (isp->isp_state == ISP_INITSTATE) {
2439 isp->isp_state = ISP_RUNSTATE;
2440 }
2441 }
2442 if (isp->isp_state != ISP_RUNSTATE) {
2443 PRINTF("%s: isp_restart cannot restart ISP\n", isp->isp_name);
2444 }
2445
2446 for (i = 0; i < RQUEST_QUEUE_LEN; i++) {
2447 xs = tlist[i];
2448 if (XS_NULL(xs)) {
2449 continue;
2450 }
2451 if (isp->isp_nactive > 0)
2452 isp->isp_nactive--;
2453 XS_RESID(xs) = XS_XFRLEN(xs);
2454 XS_SETERR(xs, HBA_BUSRESET);
2455 XS_CMD_DONE(xs);
2456 }
2457 }
2458
2459 void
2460 isp_watch(arg)
2461 void *arg;
2462 {
2463 int i;
2464 struct ispsoftc *isp = arg;
2465 ISP_SCSI_XFER_T *xs;
2466 ISP_LOCKVAL_DECL;
2467
2468 /*
2469 * Look for completely dead commands (but not polled ones).
2470 */
2471 ISP_ILOCK(isp);
2472 for (i = 0; i < RQUEST_QUEUE_LEN; i++) {
2473 if ((xs = (ISP_SCSI_XFER_T *) isp->isp_xflist[i]) == NULL) {
2474 continue;
2475 }
2476 if (XS_TIME(xs) == 0) {
2477 continue;
2478 }
2479 XS_TIME(xs) -= (WATCH_INTERVAL * 1000);
2480 /*
2481 * Avoid later thinking that this
2482 * transaction is not being timed.
2483 * Then give ourselves to watchdog
2484 * periods of grace.
2485 */
2486 if (XS_TIME(xs) == 0)
2487 XS_TIME(xs) = 1;
2488 else if (XS_TIME(xs) > -(2 * WATCH_INTERVAL * 1000)) {
2489 continue;
2490 }
2491 if (isp_control(isp, ISPCTL_ABORT_CMD, xs)) {
2492 PRINTF("%s: isp_watch failed to abort command\n",
2493 isp->isp_name);
2494 isp_restart(isp);
2495 break;
2496 }
2497 }
2498 ISP_IUNLOCK(isp);
2499 RESTART_WATCHDOG(isp_watch, isp);
2500 }
2501
2502 /*
2503 * Miscellaneous debug statements.
2504 */
2505 static void
2506 isp_prtstst(sp)
2507 ispstatusreq_t *sp;
2508 {
2509 PRINTF("states->");
2510 if (sp->req_state_flags & RQSF_GOT_BUS)
2511 PRINTF("GOT_BUS ");
2512 if (sp->req_state_flags & RQSF_GOT_TARGET)
2513 PRINTF("GOT_TGT ");
2514 if (sp->req_state_flags & RQSF_SENT_CDB)
2515 PRINTF("SENT_CDB ");
2516 if (sp->req_state_flags & RQSF_XFRD_DATA)
2517 PRINTF("XFRD_DATA ");
2518 if (sp->req_state_flags & RQSF_GOT_STATUS)
2519 PRINTF("GOT_STS ");
2520 if (sp->req_state_flags & RQSF_GOT_SENSE)
2521 PRINTF("GOT_SNS ");
2522 if (sp->req_state_flags & RQSF_XFER_COMPLETE)
2523 PRINTF("XFR_CMPLT ");
2524 PRINTF("\n");
2525 PRINTF("status->");
2526 if (sp->req_status_flags & RQSTF_DISCONNECT)
2527 PRINTF("Disconnect ");
2528 if (sp->req_status_flags & RQSTF_SYNCHRONOUS)
2529 PRINTF("Sync_xfr ");
2530 if (sp->req_status_flags & RQSTF_PARITY_ERROR)
2531 PRINTF("Parity ");
2532 if (sp->req_status_flags & RQSTF_BUS_RESET)
2533 PRINTF("Bus_Reset ");
2534 if (sp->req_status_flags & RQSTF_DEVICE_RESET)
2535 PRINTF("Device_Reset ");
2536 if (sp->req_status_flags & RQSTF_ABORTED)
2537 PRINTF("Aborted ");
2538 if (sp->req_status_flags & RQSTF_TIMEOUT)
2539 PRINTF("Timeout ");
2540 if (sp->req_status_flags & RQSTF_NEGOTIATION)
2541 PRINTF("Negotiation ");
2542 PRINTF("\n");
2543 }
2544
2545 static char *
2546 isp2100_fw_statename(state)
2547 int state;
2548 {
2549 switch(state) {
2550 case FW_CONFIG_WAIT: return "Config Wait";
2551 case FW_WAIT_AL_PA: return "Waiting for AL/PA";
2552 case FW_WAIT_LOGIN: return "Wait Login";
2553 case FW_READY: return "Ready";
2554 case FW_LOSS_OF_SYNC: return "Loss Of Sync";
2555 case FW_ERROR: return "Error";
2556 case FW_REINIT: return "Re-Init";
2557 case FW_NON_PART: return "Nonparticipating";
2558 default: return "eh?";
2559 }
2560 }
2561
2562 /*
2563 * NVRAM Routines
2564 */
2565
2566 static int
2567 isp_read_nvram(isp)
2568 struct ispsoftc *isp;
2569 {
2570 int i, amt;
2571 u_int8_t csum, minversion;
2572 union {
2573 u_int8_t _x[ISP2100_NVRAM_SIZE];
2574 u_int16_t _s[ISP2100_NVRAM_SIZE>>1];
2575 } _n;
2576 #define nvram_data _n._x
2577 #define nvram_words _n._s
2578
2579 if (isp->isp_type & ISP_HA_FC) {
2580 amt = ISP2100_NVRAM_SIZE;
2581 minversion = 1;
2582 } else {
2583 amt = ISP_NVRAM_SIZE;
2584 minversion = 2;
2585 }
2586
2587 /*
2588 * Just read the first two words first to see if we have a valid
2589 * NVRAM to continue reading the rest with.
2590 */
2591 for (i = 0; i < 2; i++) {
2592 isp_rdnvram_word(isp, i, &nvram_words[i]);
2593 }
2594 if (nvram_data[0] != 'I' || nvram_data[1] != 'S' ||
2595 nvram_data[2] != 'P') {
2596 if (isp->isp_bustype != ISP_BT_SBUS) {
2597 PRINTF("%s: invalid NVRAM header\n", isp->isp_name);
2598 }
2599 return (-1);
2600 }
2601 for (i = 2; i < amt>>1; i++) {
2602 isp_rdnvram_word(isp, i, &nvram_words[i]);
2603 }
2604 for (csum = 0, i = 0; i < amt; i++) {
2605 csum += nvram_data[i];
2606 }
2607 if (csum != 0) {
2608 PRINTF("%s: invalid NVRAM checksum\n", isp->isp_name);
2609 return (-1);
2610 }
2611 if (ISP_NVRAM_VERSION(nvram_data) < minversion) {
2612 PRINTF("%s: version %d NVRAM not understood\n", isp->isp_name,
2613 ISP_NVRAM_VERSION(nvram_data));
2614 return (-1);
2615 }
2616
2617 if (isp->isp_type & ISP_HA_SCSI) {
2618 sdparam *sdp = (sdparam *) isp->isp_param;
2619
2620 /* XXX CHECK THIS FOR SANITY XXX */
2621 sdp->isp_fifo_threshold =
2622 ISP_NVRAM_FIFO_THRESHOLD(nvram_data);
2623
2624 sdp->isp_initiator_id =
2625 ISP_NVRAM_INITIATOR_ID(nvram_data);
2626
2627 sdp->isp_bus_reset_delay =
2628 ISP_NVRAM_BUS_RESET_DELAY(nvram_data);
2629
2630 sdp->isp_retry_count =
2631 ISP_NVRAM_BUS_RETRY_COUNT(nvram_data);
2632
2633 sdp->isp_retry_delay =
2634 ISP_NVRAM_BUS_RETRY_DELAY(nvram_data);
2635
2636 sdp->isp_async_data_setup =
2637 ISP_NVRAM_ASYNC_DATA_SETUP_TIME(nvram_data);
2638
2639 if (isp->isp_type >= ISP_HA_SCSI_1040) {
2640 if (sdp->isp_async_data_setup < 9) {
2641 sdp->isp_async_data_setup = 9;
2642 }
2643 } else {
2644 if (sdp->isp_async_data_setup != 6) {
2645 sdp->isp_async_data_setup = 6;
2646 }
2647 }
2648
2649 sdp->isp_req_ack_active_neg =
2650 ISP_NVRAM_REQ_ACK_ACTIVE_NEGATION(nvram_data);
2651
2652 sdp->isp_data_line_active_neg =
2653 ISP_NVRAM_DATA_LINE_ACTIVE_NEGATION(nvram_data);
2654
2655 sdp->isp_data_dma_burst_enabl =
2656 ISP_NVRAM_DATA_DMA_BURST_ENABLE(nvram_data);
2657
2658 sdp->isp_cmd_dma_burst_enable =
2659 ISP_NVRAM_CMD_DMA_BURST_ENABLE(nvram_data);
2660
2661 sdp->isp_tag_aging =
2662 ISP_NVRAM_TAG_AGE_LIMIT(nvram_data);
2663
2664 /* XXX ISP_NVRAM_FIFO_THRESHOLD_128 XXX */
2665
2666 sdp->isp_selection_timeout =
2667 ISP_NVRAM_SELECTION_TIMEOUT(nvram_data);
2668
2669 sdp->isp_max_queue_depth =
2670 ISP_NVRAM_MAX_QUEUE_DEPTH(nvram_data);
2671
2672 sdp->isp_fast_mttr = ISP_NVRAM_FAST_MTTR_ENABLE(nvram_data);
2673
2674 for (i = 0; i < 16; i++) {
2675 sdp->isp_devparam[i].dev_enable =
2676 ISP_NVRAM_TGT_DEVICE_ENABLE(nvram_data, i);
2677 sdp->isp_devparam[i].exc_throttle =
2678 ISP_NVRAM_TGT_EXEC_THROTTLE(nvram_data, i);
2679 sdp->isp_devparam[i].sync_offset =
2680 ISP_NVRAM_TGT_SYNC_OFFSET(nvram_data, i);
2681 sdp->isp_devparam[i].sync_period =
2682 ISP_NVRAM_TGT_SYNC_PERIOD(nvram_data, i);
2683
2684 if (isp->isp_type < ISP_HA_SCSI_1040) {
2685 /*
2686 * If we're not ultra, we can't possibly
2687 * be a shorter period than this.
2688 */
2689 if (sdp->isp_devparam[i].sync_period < 0x19) {
2690 sdp->isp_devparam[i].sync_period =
2691 0x19;
2692 }
2693 if (sdp->isp_devparam[i].sync_offset > 0xc) {
2694 sdp->isp_devparam[i].sync_offset =
2695 0x0c;
2696 }
2697 } else {
2698 if (sdp->isp_devparam[i].sync_offset > 0x8) {
2699 sdp->isp_devparam[i].sync_offset = 0x8;
2700 }
2701 }
2702
2703 sdp->isp_devparam[i].dev_flags = 0;
2704
2705 if (ISP_NVRAM_TGT_RENEG(nvram_data, i))
2706 sdp->isp_devparam[i].dev_flags |= DPARM_RENEG;
2707 if (ISP_NVRAM_TGT_QFRZ(nvram_data, i)) {
2708 PRINTF("%s: not supporting QFRZ option for "
2709 "target %d\n", isp->isp_name, i);
2710 }
2711 sdp->isp_devparam[i].dev_flags |= DPARM_ARQ;
2712 if (ISP_NVRAM_TGT_ARQ(nvram_data, i) == 0) {
2713 PRINTF("%s: not disabling ARQ option for "
2714 "target %d\n", isp->isp_name, i);
2715 }
2716 if (ISP_NVRAM_TGT_TQING(nvram_data, i))
2717 sdp->isp_devparam[i].dev_flags |= DPARM_TQING;
2718 if (ISP_NVRAM_TGT_SYNC(nvram_data, i))
2719 sdp->isp_devparam[i].dev_flags |= DPARM_SYNC;
2720 if (ISP_NVRAM_TGT_WIDE(nvram_data, i))
2721 sdp->isp_devparam[i].dev_flags |= DPARM_WIDE;
2722 if (ISP_NVRAM_TGT_PARITY(nvram_data, i))
2723 sdp->isp_devparam[i].dev_flags |= DPARM_PARITY;
2724 if (ISP_NVRAM_TGT_DISC(nvram_data, i))
2725 sdp->isp_devparam[i].dev_flags |= DPARM_DISC;
2726 }
2727 } else {
2728 fcparam *fcp = (fcparam *) isp->isp_param;
2729 union {
2730 struct {
2731 #if BYTE_ORDER == BIG_ENDIAN
2732 u_int32_t hi32;
2733 u_int32_t lo32;
2734 #else
2735 u_int32_t lo32;
2736 u_int32_t hi32;
2737 #endif
2738 } wds;
2739 u_int64_t full64;
2740 } wwnstore;
2741
2742 wwnstore.full64 = ISP2100_NVRAM_NODE_NAME(nvram_data);
2743 PRINTF("%s: Adapter WWN 0x%08x%08x\n", isp->isp_name,
2744 wwnstore.wds.hi32, wwnstore.wds.lo32);
2745 fcp->isp_wwn = wwnstore.full64;
2746 wwnstore.full64 = ISP2100_NVRAM_BOOT_NODE_NAME(nvram_data);
2747 if (wwnstore.full64 != 0) {
2748 PRINTF("%s: BOOT DEVICE WWN 0x%08x%08x\n",
2749 isp->isp_name, wwnstore.wds.hi32,
2750 wwnstore.wds.lo32);
2751 }
2752 fcp->isp_maxalloc =
2753 ISP2100_NVRAM_MAXIOCBALLOCATION(nvram_data);
2754 fcp->isp_maxfrmlen =
2755 ISP2100_NVRAM_MAXFRAMELENGTH(nvram_data);
2756 fcp->isp_retry_delay =
2757 ISP2100_NVRAM_RETRY_DELAY(nvram_data);
2758 fcp->isp_retry_count =
2759 ISP2100_NVRAM_RETRY_COUNT(nvram_data);
2760 fcp->isp_loopid =
2761 ISP2100_NVRAM_HARDLOOPID(nvram_data);
2762 fcp->isp_execthrottle =
2763 ISP2100_NVRAM_EXECUTION_THROTTLE(nvram_data);
2764 }
2765 return (0);
2766 }
2767
2768 static void
2769 isp_rdnvram_word(isp, wo, rp)
2770 struct ispsoftc *isp;
2771 int wo;
2772 u_int16_t *rp;
2773 {
2774 int i, cbits;
2775 u_int16_t bit, rqst;
2776
2777 ISP_WRITE(isp, BIU_NVRAM, BIU_NVRAM_SELECT);
2778 SYS_DELAY(2);
2779 ISP_WRITE(isp, BIU_NVRAM, BIU_NVRAM_SELECT|BIU_NVRAM_CLOCK);
2780 SYS_DELAY(2);
2781
2782 if (isp->isp_type & ISP_HA_FC) {
2783 wo &= ((ISP2100_NVRAM_SIZE >> 1) - 1);
2784 rqst = (ISP_NVRAM_READ << 8) | wo;
2785 cbits = 10;
2786 } else {
2787 wo &= ((ISP_NVRAM_SIZE >> 1) - 1);
2788 rqst = (ISP_NVRAM_READ << 6) | wo;
2789 cbits = 8;
2790 }
2791
2792 /*
2793 * Clock the word select request out...
2794 */
2795 for (i = cbits; i >= 0; i--) {
2796 if ((rqst >> i) & 1) {
2797 bit = BIU_NVRAM_SELECT | BIU_NVRAM_DATAOUT;
2798 } else {
2799 bit = BIU_NVRAM_SELECT;
2800 }
2801 ISP_WRITE(isp, BIU_NVRAM, bit);
2802 SYS_DELAY(2);
2803 ISP_WRITE(isp, BIU_NVRAM, bit | BIU_NVRAM_CLOCK);
2804 SYS_DELAY(2);
2805 ISP_WRITE(isp, BIU_NVRAM, bit);
2806 SYS_DELAY(2);
2807 }
2808 /*
2809 * Now read the result back in (bits come back in MSB format).
2810 */
2811 *rp = 0;
2812 for (i = 0; i < 16; i++) {
2813 u_int16_t rv;
2814 *rp <<= 1;
2815 ISP_WRITE(isp, BIU_NVRAM, BIU_NVRAM_SELECT|BIU_NVRAM_CLOCK);
2816 SYS_DELAY(2);
2817 rv = ISP_READ(isp, BIU_NVRAM);
2818 if (rv & BIU_NVRAM_DATAIN) {
2819 *rp |= 1;
2820 }
2821 SYS_DELAY(2);
2822 ISP_WRITE(isp, BIU_NVRAM, BIU_NVRAM_SELECT);
2823 SYS_DELAY(2);
2824 }
2825 ISP_WRITE(isp, BIU_NVRAM, 0);
2826 SYS_DELAY(2);
2827 #if BYTE_ORDER == BIG_ENDIAN
2828 *rp = ((*rp >> 8) | ((*rp & 0xff) << 8));
2829 #endif
2830 }
2831