isp.c revision 1.29 1 /* $NetBSD: isp.c,v 1.29 1998/12/28 19:10:43 mjacob Exp $ */
2 /* release_12_28_98_A */
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 #ifdef ISP_TARGET_MODE
68 static const char tgtiqd[36] = {
69 0x03, 0x00, 0x02, 0x02, 0x00, 0x00, 0x00, 0x00,
70 0x51, 0x4C, 0x4F, 0x47, 0x49, 0x43, 0x20, 0x20,
71 #ifdef __NetBSD__
72 0x4E, 0x45, 0x54, 0x42, 0x53, 0x44, 0x20, 0x20,
73 #else
74 # ifdef __FreeBSD__
75 0x46, 0x52, 0x45, 0x45, 0x42, 0x52, 0x44, 0x20,
76 # else
77 # ifdef linux
78 0x4C, 0x49, 0x4E, 0x55, 0x58, 0x20, 0x20, 0x20,
79 # else
80 # endif
81 # endif
82 #endif
83 0x54, 0x41, 0x52, 0x47, 0x45, 0x54, 0x20, 0x20,
84 0x20, 0x20, 0x20, 0x31
85 };
86 #endif
87
88
89 /*
90 * Local function prototypes.
91 */
92 static int isp_parse_async __P((struct ispsoftc *, int));
93 static int isp_handle_other_response
94 __P((struct ispsoftc *, ispstatusreq_t *, u_int8_t *));
95 #ifdef ISP_TARGET_MODE
96 static int isp_modify_lun __P((struct ispsoftc *, int, int, int));
97 static void isp_notify_ack __P((struct ispsoftc *, void *));
98 static void isp_handle_atio __P((struct ispsoftc *, void *));
99 static void isp_handle_atio2 __P((struct ispsoftc *, void *));
100 static void isp_handle_ctio __P((struct ispsoftc *, void *));
101 static void isp_handle_ctio2 __P((struct ispsoftc *, void *));
102 #endif
103 static void isp_parse_status
104 __P((struct ispsoftc *, ispstatusreq_t *, ISP_SCSI_XFER_T *));
105 static void isp_fibre_init __P((struct ispsoftc *));
106 static void isp_fw_state __P((struct ispsoftc *));
107 static void isp_dumpregs __P((struct ispsoftc *, const char *));
108 static void isp_dumpxflist __P((struct ispsoftc *));
109 static void isp_prtstst __P((ispstatusreq_t *));
110 static char *isp2100_fw_statename __P((int));
111 static void isp_mboxcmd __P((struct ispsoftc *, mbreg_t *));
112
113 static void isp_update __P((struct ispsoftc *));
114 static void isp_setdfltparm __P((struct ispsoftc *));
115 static int isp_read_nvram __P((struct ispsoftc *));
116 static void isp_rdnvram_word __P((struct ispsoftc *, int, u_int16_t *));
117
118 /*
119 * Reset Hardware.
120 *
121 * Hit the chip over the head, download new f/w.
122 *
123 * Locking done elsewhere.
124 */
125 void
126 isp_reset(isp)
127 struct ispsoftc *isp;
128 {
129 static char once = 1;
130 mbreg_t mbs;
131 int loops, i, dodnld = 1;
132 char *revname;
133
134 isp->isp_state = ISP_NILSTATE;
135
136 /*
137 * Basic types (SCSI, FibreChannel and PCI or SBus)
138 * have been set in the MD code. We figure out more
139 * here.
140 */
141 isp->isp_dblev = DFLT_DBLEVEL;
142 if (isp->isp_type & ISP_HA_FC) {
143 revname = "2100";
144 } else {
145 sdparam *sdp = isp->isp_param;
146
147 int rev = ISP_READ(isp, BIU_CONF0) & BIU_CONF0_HW_MASK;
148 switch (rev) {
149 default:
150 PRINTF("%s: unknown chip rev. 0x%x- assuming a 1020\n",
151 isp->isp_name, rev);
152 /* FALLTHROUGH */
153 case 1:
154 revname = "1020";
155 isp->isp_type = ISP_HA_SCSI_1020;
156 sdp->isp_clock = 40;
157 break;
158 case 2:
159 /*
160 * Some 1020A chips are Ultra Capable, but don't
161 * run the clock rate up for that unless told to
162 * do so by the Ultra Capable bits being set.
163 */
164 revname = "1020A";
165 isp->isp_type = ISP_HA_SCSI_1020A;
166 sdp->isp_clock = 40;
167 break;
168 case 3:
169 revname = "1040";
170 isp->isp_type = ISP_HA_SCSI_1040;
171 sdp->isp_clock = 60;
172 break;
173 case 4:
174 revname = "1040A";
175 isp->isp_type = ISP_HA_SCSI_1040A;
176 sdp->isp_clock = 60;
177 break;
178 case 5:
179 revname = "1040B";
180 isp->isp_type = ISP_HA_SCSI_1040B;
181 sdp->isp_clock = 60;
182 break;
183 }
184 /*
185 * Try and figure out if we're connected to a differential bus.
186 * You have to pause the RISC processor to read SXP registers.
187 */
188 ISP_WRITE(isp, HCCR, HCCR_CMD_PAUSE);
189 i = 100;
190 while ((ISP_READ(isp, HCCR) & HCCR_PAUSE) == 0) {
191 SYS_DELAY(20);
192 if (--i == 0) {
193 PRINTF("%s: unable to pause RISC processor\n",
194 isp->isp_name);
195 i = -1;
196 break;
197 }
198 }
199 if (i > 0) {
200 if (isp->isp_bustype != ISP_BT_SBUS) {
201 ISP_SETBITS(isp, BIU_CONF1, BIU_PCI_CONF1_SXP);
202 }
203 if (ISP_READ(isp, SXP_PINS_DIFF) & SXP_PINS_DIFF_MODE) {
204 IDPRINTF(2, ("%s: Differential Mode Set\n",
205 isp->isp_name));
206 sdp->isp_diffmode = 1;
207 } else {
208 sdp->isp_diffmode = 0;
209 }
210
211 if (isp->isp_bustype != ISP_BT_SBUS) {
212 ISP_CLRBITS(isp, BIU_CONF1, BIU_PCI_CONF1_SXP);
213 }
214
215 /*
216 * Figure out whether we're ultra capable.
217 */
218 i = ISP_READ(isp, RISC_PSR);
219 if (isp->isp_bustype != ISP_BT_SBUS) {
220 i &= RISC_PSR_PCI_ULTRA;
221 } else {
222 i &= RISC_PSR_SBUS_ULTRA;
223 }
224 if (i) {
225 IDPRINTF(2, ("%s: Ultra Mode Capable\n",
226 isp->isp_name));
227 sdp->isp_clock = 60;
228 } else {
229 sdp->isp_clock = 40;
230 }
231 /*
232 * Restart processor
233 */
234 ISP_WRITE(isp, HCCR, HCCR_CMD_RELEASE);
235 }
236 /*
237 * Machine dependent clock (if set) overrides
238 * our generic determinations.
239 */
240 if (isp->isp_mdvec->dv_clock) {
241 if (isp->isp_mdvec->dv_clock < sdp->isp_clock) {
242 sdp->isp_clock = isp->isp_mdvec->dv_clock;
243 }
244 }
245 }
246
247 /*
248 * Do MD specific pre initialization
249 */
250 ISP_RESET0(isp);
251
252 if (once == 1) {
253 once = 0;
254 /*
255 * Get the current running firmware revision out of the
256 * chip before we hit it over the head (if this is our
257 * first time through). Note that we store this as the
258 * 'ROM' firmware revision- which it may not be. In any
259 * case, we don't really use this yet, but we may in
260 * the future.
261 */
262 mbs.param[0] = MBOX_ABOUT_FIRMWARE;
263 isp_mboxcmd(isp, &mbs);
264 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
265 IDPRINTF(3, ("%s: initial ABOUT FIRMWARE command "
266 "failed\n", isp->isp_name));
267 } else {
268 isp->isp_romfw_rev =
269 (((u_int16_t) mbs.param[1]) << 10) + mbs.param[2];
270 }
271 }
272
273 /*
274 * Hit the chip over the head with hammer,
275 * and give the ISP a chance to recover.
276 */
277
278 if (isp->isp_type & ISP_HA_SCSI) {
279 ISP_WRITE(isp, BIU_ICR, BIU_ICR_SOFT_RESET);
280 /*
281 * A slight delay...
282 */
283 SYS_DELAY(100);
284
285 /*
286 * Clear data && control DMA engines.
287 */
288 ISP_WRITE(isp, CDMA_CONTROL,
289 DMA_CNTRL_CLEAR_CHAN | DMA_CNTRL_RESET_INT);
290 ISP_WRITE(isp, DDMA_CONTROL,
291 DMA_CNTRL_CLEAR_CHAN | DMA_CNTRL_RESET_INT);
292 } else {
293 ISP_WRITE(isp, BIU2100_CSR, BIU2100_SOFT_RESET);
294 /*
295 * A slight delay...
296 */
297 SYS_DELAY(100);
298 ISP_WRITE(isp, CDMA2100_CONTROL,
299 DMA_CNTRL2100_CLEAR_CHAN | DMA_CNTRL2100_RESET_INT);
300 ISP_WRITE(isp, TDMA2100_CONTROL,
301 DMA_CNTRL2100_CLEAR_CHAN | DMA_CNTRL2100_RESET_INT);
302 ISP_WRITE(isp, RDMA2100_CONTROL,
303 DMA_CNTRL2100_CLEAR_CHAN | DMA_CNTRL2100_RESET_INT);
304 }
305
306 /*
307 * Wait for ISP to be ready to go...
308 */
309 loops = MBOX_DELAY_COUNT;
310 for (;;) {
311 if (isp->isp_type & ISP_HA_SCSI) {
312 if (!(ISP_READ(isp, BIU_ICR) & BIU_ICR_SOFT_RESET))
313 break;
314 } else {
315 if (!(ISP_READ(isp, BIU2100_CSR) & BIU2100_SOFT_RESET))
316 break;
317 }
318 SYS_DELAY(100);
319 if (--loops < 0) {
320 isp_dumpregs(isp, "chip reset timed out");
321 return;
322 }
323 }
324 /*
325 * More initialization
326 */
327 if (isp->isp_type & ISP_HA_SCSI) {
328 ISP_WRITE(isp, BIU_CONF1, 0);
329 } else {
330 ISP_WRITE(isp, BIU2100_CSR, 0);
331 /*
332 * All 2100's are 60Mhz with fast rams onboard.
333 */
334 ISP_WRITE(isp, RISC_MTR2100, 0x1212);
335 }
336
337 ISP_WRITE(isp, HCCR, HCCR_CMD_RESET);
338 SYS_DELAY(100);
339
340 if (isp->isp_type & ISP_HA_SCSI) {
341 ISP_SETBITS(isp, BIU_CONF1, isp->isp_mdvec->dv_conf1);
342 if (isp->isp_mdvec->dv_conf1 & BIU_BURST_ENABLE) {
343 ISP_SETBITS(isp, CDMA_CONF, DMA_ENABLE_BURST);
344 ISP_SETBITS(isp, DDMA_CONF, DMA_ENABLE_BURST);
345 }
346 }
347 ISP_WRITE(isp, HCCR, HCCR_CMD_RELEASE); /* release paused processor */
348
349 /*
350 * Do MD specific post initialization
351 */
352 ISP_RESET1(isp);
353
354 /*
355 * Enable interrupts
356 */
357 ENABLE_INTS(isp);
358
359 /*
360 * Do some sanity checking.
361 */
362 mbs.param[0] = MBOX_NO_OP;
363 isp_mboxcmd(isp, &mbs);
364 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
365 isp_dumpregs(isp, "NOP test failed");
366 return;
367 }
368
369 if (isp->isp_type & ISP_HA_SCSI) {
370 mbs.param[0] = MBOX_MAILBOX_REG_TEST;
371 mbs.param[1] = 0xdead;
372 mbs.param[2] = 0xbeef;
373 mbs.param[3] = 0xffff;
374 mbs.param[4] = 0x1111;
375 mbs.param[5] = 0xa5a5;
376 isp_mboxcmd(isp, &mbs);
377 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
378 isp_dumpregs(isp,
379 "Mailbox Register test didn't complete");
380 return;
381 }
382 if (mbs.param[1] != 0xdead || mbs.param[2] != 0xbeef ||
383 mbs.param[3] != 0xffff || mbs.param[4] != 0x1111 ||
384 mbs.param[5] != 0xa5a5) {
385 isp_dumpregs(isp, "Register Test Failed");
386 return;
387 }
388
389 }
390
391 /*
392 * Download new Firmware, unless requested not to do so.
393 * This is made slightly trickier in some cases where the
394 * firmware of the ROM revision is newer than the revision
395 * compiled into the driver. So, where we used to compare
396 * versions of our f/w and the ROM f/w, now we just see
397 * whether we have f/w at all and whether a config flag
398 * has disabled our download.
399 */
400 if ((isp->isp_mdvec->dv_fwlen == 0) ||
401 (isp->isp_confopts & ISP_CFG_NORELOAD)) {
402 dodnld = 0;
403 }
404
405 if (dodnld) {
406 for (i = 0; i < isp->isp_mdvec->dv_fwlen; i++) {
407 mbs.param[0] = MBOX_WRITE_RAM_WORD;
408 mbs.param[1] = isp->isp_mdvec->dv_codeorg + i;
409 mbs.param[2] = isp->isp_mdvec->dv_ispfw[i];
410 isp_mboxcmd(isp, &mbs);
411 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
412 isp_dumpregs(isp, "f/w download failed");
413 return;
414 }
415 }
416
417 if (isp->isp_mdvec->dv_fwlen) {
418 /*
419 * Verify that it downloaded correctly.
420 */
421 mbs.param[0] = MBOX_VERIFY_CHECKSUM;
422 mbs.param[1] = isp->isp_mdvec->dv_codeorg;
423 isp_mboxcmd(isp, &mbs);
424 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
425 isp_dumpregs(isp, "ram checksum failure");
426 return;
427 }
428 }
429 } else {
430 IDPRINTF(3, ("%s: skipping f/w download\n", isp->isp_name));
431 }
432
433 /*
434 * Now start it rolling.
435 *
436 * If we didn't actually download f/w,
437 * we still need to (re)start it.
438 */
439
440 mbs.param[0] = MBOX_EXEC_FIRMWARE;
441 mbs.param[1] = isp->isp_mdvec->dv_codeorg;
442 isp_mboxcmd(isp, &mbs);
443
444 if (isp->isp_type & ISP_HA_SCSI) {
445 sdparam *sdp = isp->isp_param;
446 /*
447 * Set CLOCK RATE, but only if asked to.
448 */
449 if (sdp->isp_clock) {
450 mbs.param[0] = MBOX_SET_CLOCK_RATE;
451 mbs.param[1] = sdp->isp_clock;
452 isp_mboxcmd(isp, &mbs);
453 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
454 isp_dumpregs(isp, "failed to set CLOCKRATE");
455 /* but continue */
456 } else {
457 IDPRINTF(3, ("%s: setting input clock to %d\n",
458 isp->isp_name, sdp->isp_clock));
459 }
460 }
461 }
462 mbs.param[0] = MBOX_ABOUT_FIRMWARE;
463 isp_mboxcmd(isp, &mbs);
464 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
465 isp_dumpregs(isp, "ABOUT FIRMWARE command failed");
466 return;
467 }
468 PRINTF("%s: Board Revision %s, %s F/W Revision %d.%d\n",
469 isp->isp_name, revname, dodnld? "loaded" : "resident",
470 mbs.param[1], mbs.param[2]);
471 isp->isp_fwrev = (((u_int16_t) mbs.param[1]) << 10) + mbs.param[2];
472 if (isp->isp_romfw_rev && dodnld) {
473 PRINTF("%s: Last F/W revision was %d.%d\n", isp->isp_name,
474 isp->isp_romfw_rev >> 10, isp->isp_romfw_rev & 0x3ff);
475 }
476 isp_fw_state(isp);
477 isp->isp_state = ISP_RESETSTATE;
478 }
479
480 /*
481 * Initialize Hardware to known state
482 *
483 * Locks are held before coming here.
484 */
485
486 void
487 isp_init(isp)
488 struct ispsoftc *isp;
489 {
490 sdparam *sdp;
491 mbreg_t mbs;
492 int tgt;
493
494 /*
495 * Must do first.
496 */
497 isp_setdfltparm(isp);
498
499 /*
500 * If we're fibre, we have a completely different
501 * initialization method.
502 */
503
504 if (isp->isp_type & ISP_HA_FC) {
505 isp_fibre_init(isp);
506 return;
507 }
508 sdp = isp->isp_param;
509
510 /*
511 * Set (possibly new) Initiator ID.
512 */
513 mbs.param[0] = MBOX_SET_INIT_SCSI_ID;
514 mbs.param[1] = sdp->isp_initiator_id;
515 isp_mboxcmd(isp, &mbs);
516 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
517 isp_dumpregs(isp, "failed to set initiator id");
518 return;
519 }
520
521 /*
522 * Set Retry Delay and Count
523 */
524 mbs.param[0] = MBOX_SET_RETRY_COUNT;
525 mbs.param[1] = sdp->isp_retry_count;
526 mbs.param[2] = sdp->isp_retry_delay;
527 isp_mboxcmd(isp, &mbs);
528 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
529 isp_dumpregs(isp, "failed to set retry count and delay");
530 return;
531 }
532
533 /*
534 * Set ASYNC DATA SETUP time. This is very important.
535 */
536 mbs.param[0] = MBOX_SET_ASYNC_DATA_SETUP_TIME;
537 mbs.param[1] = sdp->isp_async_data_setup;
538 isp_mboxcmd(isp, &mbs);
539 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
540 isp_dumpregs(isp, "failed to set async data setup time");
541 return;
542 }
543
544 /*
545 * Set ACTIVE Negation State.
546 */
547 mbs.param[0] = MBOX_SET_ACTIVE_NEG_STATE;
548 mbs.param[1] =
549 (sdp->isp_req_ack_active_neg << 4) |
550 (sdp->isp_data_line_active_neg << 5);
551 isp_mboxcmd(isp, &mbs);
552 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
553 isp_dumpregs(isp, "failed to set active neg state");
554 return;
555 }
556
557 /*
558 * Set the Tag Aging limit
559 */
560
561 mbs.param[0] = MBOX_SET_TAG_AGE_LIMIT;
562 mbs.param[1] = sdp->isp_tag_aging;
563 isp_mboxcmd(isp, &mbs);
564 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
565 isp_dumpregs(isp, "failed to set tag age limit");
566 return;
567 }
568
569 /*
570 * Set selection timeout.
571 */
572
573 mbs.param[0] = MBOX_SET_SELECT_TIMEOUT;
574 mbs.param[1] = sdp->isp_selection_timeout;
575 isp_mboxcmd(isp, &mbs);
576 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
577 isp_dumpregs(isp, "failed to set selection timeout");
578 return;
579 }
580
581 /*
582 * Set per-target parameters to a safe minimum.
583 */
584
585 for (tgt = 0; tgt < MAX_TARGETS; tgt++) {
586 int maxlun, lun;
587
588 if (sdp->isp_devparam[tgt].dev_enable == 0)
589 continue;
590
591 mbs.param[0] = MBOX_SET_TARGET_PARAMS;
592 mbs.param[1] = tgt << 8;
593 mbs.param[2] = DPARM_SAFE_DFLT;
594 mbs.param[3] = 0;
595 /*
596 * It is not quite clear when this changed over so that
597 * we could force narrow and async, so assume >= 7.55.
598 *
599 * Otherwise, a SCSI bus reset issued below will force
600 * the back to the narrow, async state (but see note
601 * below also). Technically we should also do without
602 * Parity.
603 */
604 if (isp->isp_fwrev >= ISP_FW_REV(7, 55)) {
605 mbs.param[2] |= DPARM_NARROW | DPARM_ASYNC;
606 }
607 sdp->isp_devparam[tgt].cur_dflags = mbs.param[2] >> 8;
608
609 IDPRINTF(3, ("\n%s: tgt %d cflags %x offset %x period %x\n",
610 isp->isp_name, tgt, mbs.param[2], mbs.param[3] >> 8,
611 mbs.param[3] & 0xff));
612 isp_mboxcmd(isp, &mbs);
613 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
614
615 PRINTF("%s: failed to set parameters for tgt %d\n",
616 isp->isp_name, tgt);
617
618 PRINTF("%s: flags %x offset %x period %x\n",
619 isp->isp_name, sdp->isp_devparam[tgt].dev_flags,
620 sdp->isp_devparam[tgt].sync_offset,
621 sdp->isp_devparam[tgt].sync_period);
622
623 mbs.param[0] = MBOX_SET_TARGET_PARAMS;
624 mbs.param[1] = tgt << 8;
625 mbs.param[2] = DPARM_SAFE_DFLT;
626 mbs.param[3] = 0;
627 isp_mboxcmd(isp, &mbs);
628 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
629 PRINTF("%s: failed even to set defaults for "
630 "target %d\n", isp->isp_name, tgt);
631 continue;
632 }
633 }
634
635 maxlun = (isp->isp_fwrev >= ISP_FW_REV(7, 55))? 32 : 8;
636 for (lun = 0; lun < maxlun; lun++) {
637 mbs.param[0] = MBOX_SET_DEV_QUEUE_PARAMS;
638 mbs.param[1] = (tgt << 8) | lun;
639 mbs.param[2] = sdp->isp_max_queue_depth;
640 mbs.param[3] = sdp->isp_devparam[tgt].exc_throttle;
641 isp_mboxcmd(isp, &mbs);
642 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
643 PRINTF("%s: failed to set device queue "
644 "parameters for target %d, lun %d\n",
645 isp->isp_name, tgt, lun);
646 break;
647 }
648 }
649 }
650
651 /*
652 * Set up DMA for the request and result mailboxes.
653 */
654 if (ISP_MBOXDMASETUP(isp) != 0) {
655 PRINTF("%s: can't setup dma mailboxes\n", isp->isp_name);
656 return;
657 }
658
659 mbs.param[0] = MBOX_INIT_RES_QUEUE;
660 mbs.param[1] = RESULT_QUEUE_LEN;
661 mbs.param[2] = (u_int16_t) (isp->isp_result_dma >> 16);
662 mbs.param[3] = (u_int16_t) (isp->isp_result_dma & 0xffff);
663 mbs.param[4] = 0;
664 mbs.param[5] = 0;
665 isp_mboxcmd(isp, &mbs);
666 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
667 isp_dumpregs(isp, "set of response queue failed");
668 return;
669 }
670 isp->isp_residx = 0;
671
672 mbs.param[0] = MBOX_INIT_REQ_QUEUE;
673 mbs.param[1] = RQUEST_QUEUE_LEN;
674 mbs.param[2] = (u_int16_t) (isp->isp_rquest_dma >> 16);
675 mbs.param[3] = (u_int16_t) (isp->isp_rquest_dma & 0xffff);
676 mbs.param[4] = 0;
677 mbs.param[5] = 0;
678 isp_mboxcmd(isp, &mbs);
679 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
680 isp_dumpregs(isp, "set of request queue failed");
681 return;
682 }
683 isp->isp_reqidx = isp->isp_reqodx = 0;
684
685 /*
686 * XXX: See whether or not for 7.55 F/W or later we
687 * XXX: can do without this, and see whether we should
688 * XXX: honor the NVRAM SCSI_RESET_DISABLE token.
689 */
690 mbs.param[0] = MBOX_BUS_RESET;
691 mbs.param[1] = 3;
692 isp_mboxcmd(isp, &mbs);
693 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
694 isp_dumpregs(isp, "SCSI bus reset failed");
695 }
696 /*
697 * This is really important to have set after a bus reset.
698 */
699 isp->isp_sendmarker = 1;
700 isp->isp_state = ISP_INITSTATE;
701 }
702
703 /*
704 * Fibre Channel specific initialization.
705 *
706 * Locks are held before coming here.
707 */
708 static void
709 isp_fibre_init(isp)
710 struct ispsoftc *isp;
711 {
712 fcparam *fcp;
713 isp_icb_t *icbp;
714 mbreg_t mbs;
715 int count, loopid;
716 u_int8_t lwfs;
717
718 fcp = isp->isp_param;
719
720 if (ISP_MBOXDMASETUP(isp) != 0) {
721 PRINTF("%s: can't setup DMA for mailboxes\n", isp->isp_name);
722 return;
723 }
724 /*
725 * For systems that don't have BIOS methods for which
726 * we can easily change the NVRAM based loopid, we'll
727 * override that here. Note that when we initialize
728 * the firmware we may get back a different loopid than
729 * we asked for anyway. XXX This is probably not the
730 * best way to figure this out XXX
731 */
732 #ifndef __i386__
733 loopid = DEFAULT_LOOPID;
734 #else
735 loopid = fcp->isp_loopid;
736 #endif
737
738
739 icbp = (isp_icb_t *) fcp->isp_scratch;
740 bzero(icbp, sizeof (*icbp));
741
742 icbp->icb_version = ICB_VERSION1;
743 #ifdef ISP_TARGET_MODE
744 fcp->isp_fwoptions = ICBOPT_TGT_ENABLE|ICBOPT_INI_TGTTYPE;
745 #else
746 fcp->isp_fwoptions = 0;
747 #endif
748 fcp->isp_fwoptions |= ICBOPT_INI_ADISC|ICBOPT_FAIRNESS;
749 fcp->isp_fwoptions |= ICBOPT_PDBCHANGE_AE;
750 fcp->isp_fwoptions |= ICBOPT_HARD_ADDRESS;
751 #ifdef CHECKME
752 fcp->isp_fwoptions |= ICBOPT_USE_PORTNAME;
753 #endif
754 #ifdef THIS_WORKED
755 /*
756 * This has unhappiness in target mode
757 */
758 fcp->isp_fwoptions |= ICBOPT_FULL_LOGIN;
759 #endif
760 icbp->icb_fwoptions = fcp->isp_fwoptions;
761 icbp->icb_maxfrmlen = fcp->isp_maxfrmlen;
762 if (icbp->icb_maxfrmlen < ICB_MIN_FRMLEN ||
763 icbp->icb_maxfrmlen > ICB_MAX_FRMLEN) {
764 PRINTF("%s: bad frame length (%d) from NVRAM- using %d\n",
765 isp->isp_name, fcp->isp_maxfrmlen, ICB_DFLT_FRMLEN);
766 }
767 icbp->icb_maxalloc = fcp->isp_maxalloc;
768 icbp->icb_execthrottle = fcp->isp_execthrottle;
769 icbp->icb_retry_delay = fcp->isp_retry_delay;
770 icbp->icb_retry_count = fcp->isp_retry_count;
771 icbp->icb_hardaddr = loopid;
772
773 MAKE_NODE_NAME_FROM_WWN(icbp->icb_nodename, fcp->isp_wwn);
774 if (icbp->icb_fwoptions & ICBOPT_USE_PORTNAME) {
775 u_int64_t portname = fcp->isp_wwn | (2LL << 56);
776 MAKE_NODE_NAME_FROM_WWN(icbp->icb_nodename, portname);
777 }
778 icbp->icb_rqstqlen = RQUEST_QUEUE_LEN;
779 icbp->icb_rsltqlen = RESULT_QUEUE_LEN;
780 icbp->icb_rqstaddr[RQRSP_ADDR0015] =
781 (u_int16_t) (isp->isp_rquest_dma & 0xffff);
782 icbp->icb_rqstaddr[RQRSP_ADDR1631] =
783 (u_int16_t) (isp->isp_rquest_dma >> 16);
784 icbp->icb_respaddr[RQRSP_ADDR0015] =
785 (u_int16_t) (isp->isp_result_dma & 0xffff);
786 icbp->icb_respaddr[RQRSP_ADDR1631] =
787 (u_int16_t) (isp->isp_result_dma >> 16);
788
789 for (count = 0; count < 10; count++) {
790 mbs.param[0] = MBOX_INIT_FIRMWARE;
791 mbs.param[1] = 0;
792 mbs.param[2] = (u_int16_t) (fcp->isp_scdma >> 16);
793 mbs.param[3] = (u_int16_t) (fcp->isp_scdma & 0xffff);
794 mbs.param[4] = 0;
795 mbs.param[5] = 0;
796 mbs.param[6] = 0;
797 mbs.param[7] = 0;
798
799 isp_mboxcmd(isp, &mbs);
800
801 switch (mbs.param[0]) {
802 case MBOX_COMMAND_COMPLETE:
803 count = 10;
804 break;
805 case ASYNC_LIP_OCCURRED:
806 case ASYNC_LOOP_UP:
807 case ASYNC_LOOP_DOWN:
808 case ASYNC_LOOP_RESET:
809 case ASYNC_PDB_CHANGED:
810 case ASYNC_CHANGE_NOTIFY:
811 if (count > 9) {
812 PRINTF("%s: too many retries to get going- "
813 "giving up\n", isp->isp_name);
814 return;
815 }
816 break;
817 default:
818 isp_dumpregs(isp, "INIT FIRMWARE failed");
819 return;
820 }
821 }
822 isp->isp_reqidx = isp->isp_reqodx = 0;
823 isp->isp_residx = 0;
824
825 /*
826 * Wait up to 5 seconds for FW to go to READY state.
827 */
828 lwfs = FW_CONFIG_WAIT;
829 for (count = 0; count < 12000; count++) {
830 isp_fw_state(isp);
831 if (lwfs != fcp->isp_fwstate) {
832 PRINTF("%s: Firmware State %s -> %s\n",
833 isp->isp_name, isp2100_fw_statename((int)lwfs),
834 isp2100_fw_statename((int)fcp->isp_fwstate));
835 lwfs = fcp->isp_fwstate;
836 }
837 if (fcp->isp_fwstate == FW_READY) {
838 break;
839 }
840 SYS_DELAY(1000); /* wait one millisecond */
841 }
842 isp->isp_sendmarker = 1;
843
844 /*
845 * Get our Loop ID
846 * (if possible)
847 */
848 if (fcp->isp_fwstate == FW_READY) {
849 mbs.param[0] = MBOX_GET_LOOP_ID;
850 isp_mboxcmd(isp, &mbs);
851 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
852 isp_dumpregs(isp, "GET LOOP ID failed");
853 return;
854 }
855 fcp->isp_loopid = mbs.param[1];
856 fcp->isp_alpa = mbs.param[2];
857 PRINTF("%s: Loop ID %d, ALPA 0x%x\n", isp->isp_name,
858 fcp->isp_loopid, fcp->isp_alpa);
859 isp->isp_state = ISP_INITSTATE;
860 #ifdef ISP_TARGET_MODE
861 DISABLE_INTS(isp);
862 if (isp_modify_lun(isp, 0, 1, 1)) {
863 PRINTF("%s: failed to enable target mode\n",
864 isp->isp_name);
865 }
866 ENABLE_INTS(isp);
867 #endif
868 } else {
869 PRINTF("%s: failed to go to FW READY state- will not attach\n",
870 isp->isp_name);
871 }
872 }
873
874 /*
875 * Start a command. Locking is assumed done in the caller.
876 */
877
878 int32_t
879 ispscsicmd(xs)
880 ISP_SCSI_XFER_T *xs;
881 {
882 struct ispsoftc *isp;
883 u_int8_t iptr, optr;
884 union {
885 ispreq_t *_reqp;
886 ispreqt2_t *_t2reqp;
887 } _u;
888 #define reqp _u._reqp
889 #define t2reqp _u._t2reqp
890 #define UZSIZE max(sizeof (ispreq_t), sizeof (ispreqt2_t))
891 int i;
892
893 XS_INITERR(xs);
894 isp = XS_ISP(xs);
895
896 if (isp->isp_state != ISP_RUNSTATE) {
897 PRINTF("%s: adapter not ready\n", isp->isp_name);
898 XS_SETERR(xs, HBA_BOTCH);
899 return (CMD_COMPLETE);
900 }
901
902 /*
903 * We *could* do the different sequence type that has clos
904 * to the whole Queue Entry for the command,.
905 */
906 if (XS_CDBLEN(xs) > ((isp->isp_type & ISP_HA_FC)? 16 : 12)) {
907 PRINTF("%s: unsupported cdb length (%d)\n",
908 isp->isp_name, XS_CDBLEN(xs));
909 XS_SETERR(xs, HBA_BOTCH);
910 return (CMD_COMPLETE);
911 }
912
913 /*
914 * First check to see if any HBA or Device
915 * parameters need to be updated.
916 */
917 if (isp->isp_update) {
918 isp_update(isp);
919 }
920
921 optr = isp->isp_reqodx = ISP_READ(isp, OUTMAILBOX4);
922 iptr = isp->isp_reqidx;
923
924 reqp = (ispreq_t *) ISP_QUEUE_ENTRY(isp->isp_rquest, iptr);
925 iptr = ISP_NXT_QENTRY(iptr, RQUEST_QUEUE_LEN);
926 if (iptr == optr) {
927 IDPRINTF(2, ("%s: Request Queue Overflow\n", isp->isp_name));
928 XS_SETERR(xs, HBA_BOTCH);
929 return (CMD_EAGAIN);
930 }
931 if (isp->isp_type & ISP_HA_FC) {
932 DISABLE_INTS(isp);
933 }
934
935 if (isp->isp_sendmarker) {
936 u_int8_t niptr;
937 ispmarkreq_t *marker = (ispmarkreq_t *) reqp;
938
939 bzero((void *) marker, sizeof (*marker));
940 marker->req_header.rqs_entry_count = 1;
941 marker->req_header.rqs_entry_type = RQSTYPE_MARKER;
942 marker->req_modifier = SYNC_ALL;
943
944 isp->isp_sendmarker = 0;
945
946 /*
947 * Unconditionally update the input pointer anyway.
948 */
949 ISP_WRITE(isp, INMAILBOX4, iptr);
950 isp->isp_reqidx = iptr;
951
952 niptr = ISP_NXT_QENTRY(iptr, RQUEST_QUEUE_LEN);
953 if (niptr == optr) {
954 if (isp->isp_type & ISP_HA_FC) {
955 ENABLE_INTS(isp);
956 }
957 IDPRINTF(2, ("%s: Request Queue Overflow+\n",
958 isp->isp_name));
959 XS_SETERR(xs, HBA_BOTCH);
960 return (CMD_EAGAIN);
961 }
962 reqp = (ispreq_t *) ISP_QUEUE_ENTRY(isp->isp_rquest, iptr);
963 iptr = niptr;
964 }
965
966 bzero((void *) reqp, UZSIZE);
967 reqp->req_header.rqs_entry_count = 1;
968 if (isp->isp_type & ISP_HA_FC) {
969 reqp->req_header.rqs_entry_type = RQSTYPE_T2RQS;
970 } else {
971 reqp->req_header.rqs_entry_type = RQSTYPE_REQUEST;
972 }
973 reqp->req_header.rqs_flags = 0;
974 reqp->req_header.rqs_seqno = isp->isp_seqno++;
975
976 for (i = 0; i < RQUEST_QUEUE_LEN; i++) {
977 if (isp->isp_xflist[i] == NULL)
978 break;
979 }
980 if (i == RQUEST_QUEUE_LEN) {
981 if (isp->isp_type & ISP_HA_FC)
982 ENABLE_INTS(isp);
983 IDPRINTF(2, ("%s: out of xflist pointers\n", isp->isp_name));
984 XS_SETERR(xs, HBA_BOTCH);
985 return (CMD_EAGAIN);
986 } else {
987 /*
988 * Never have a handle that is zero, so
989 * set req_handle off by one.
990 */
991 isp->isp_xflist[i] = xs;
992 reqp->req_handle = i+1;
993 }
994
995 if (isp->isp_type & ISP_HA_FC) {
996 /*
997 * See comment in isp_intr
998 */
999 XS_RESID(xs) = 0;
1000 /*
1001 * Fibre Channel always requires some kind of tag.
1002 * If we're marked as "Can't Tag", just do simple
1003 * instead of ordered tags. It's pretty clear to me
1004 * that we shouldn't do head of queue tagging in
1005 * this case.
1006 */
1007 if (XS_CANTAG(xs)) {
1008 t2reqp->req_flags = XS_KINDOF_TAG(xs);
1009 } else {
1010 t2reqp->req_flags = REQFLAG_STAG;
1011 }
1012 } else {
1013 sdparam *sdp = (sdparam *)isp->isp_param;
1014 if ((sdp->isp_devparam[XS_TGT(xs)].cur_dflags & DPARM_TQING) &&
1015 XS_CANTAG(xs)) {
1016 reqp->req_flags = XS_KINDOF_TAG(xs);
1017 } else {
1018 reqp->req_flags = 0;
1019 }
1020 }
1021 reqp->req_target = XS_TGT(xs);
1022 if (isp->isp_type & ISP_HA_SCSI) {
1023 reqp->req_lun_trn = XS_LUN(xs);
1024 reqp->req_cdblen = XS_CDBLEN(xs);
1025 } else {
1026 #ifdef SCCLUN
1027 reqp->req_scclun = XS_LUN(xs);
1028 #else
1029 reqp->req_lun_trn = XS_LUN(xs);
1030 #endif
1031
1032 }
1033 bcopy((void *)XS_CDBP(xs), reqp->req_cdb, XS_CDBLEN(xs));
1034
1035 IDPRINTF(5, ("%s(%d.%d): START%d cmd 0x%x datalen %d\n", isp->isp_name,
1036 XS_TGT(xs), XS_LUN(xs), reqp->req_header.rqs_seqno,
1037 reqp->req_cdb[0], XS_XFRLEN(xs)));
1038
1039 reqp->req_time = XS_TIME(xs) / 1000;
1040 if (reqp->req_time == 0 && XS_TIME(xs))
1041 reqp->req_time = 1;
1042 i = ISP_DMASETUP(isp, xs, reqp, &iptr, optr);
1043 if (i != CMD_QUEUED) {
1044 if (isp->isp_type & ISP_HA_FC)
1045 ENABLE_INTS(isp);
1046 /*
1047 * dmasetup sets actual error in packet, and
1048 * return what we were given to return.
1049 */
1050 return (i);
1051 }
1052 XS_SETERR(xs, HBA_NOERROR);
1053 ISP_WRITE(isp, INMAILBOX4, iptr);
1054 isp->isp_reqidx = iptr;
1055 if (isp->isp_type & ISP_HA_FC) {
1056 ENABLE_INTS(isp);
1057 }
1058 isp->isp_nactive++;
1059 return (CMD_QUEUED);
1060 #undef reqp
1061 #undef t2reqp
1062 }
1063
1064 /*
1065 * isp control
1066 * Locks (ints blocked) assumed held.
1067 */
1068
1069 int
1070 isp_control(isp, ctl, arg)
1071 struct ispsoftc *isp;
1072 ispctl_t ctl;
1073 void *arg;
1074 {
1075 ISP_SCSI_XFER_T *xs;
1076 mbreg_t mbs;
1077 int i;
1078
1079 switch (ctl) {
1080 default:
1081 PRINTF("%s: isp_control unknown control op %x\n",
1082 isp->isp_name, ctl);
1083 break;
1084
1085 case ISPCTL_RESET_BUS:
1086 mbs.param[0] = MBOX_BUS_RESET;
1087 mbs.param[1] = (isp->isp_type & ISP_HA_FC)? 5: 2;
1088 isp_mboxcmd(isp, &mbs);
1089 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
1090 isp_dumpregs(isp, "isp_control SCSI bus reset failed");
1091 break;
1092 }
1093 /*
1094 * This is really important to have set after a bus reset.
1095 */
1096 isp->isp_sendmarker = 1;
1097 PRINTF("%s: driver initiated bus reset\n", isp->isp_name);
1098 return (0);
1099
1100 case ISPCTL_RESET_DEV:
1101 /*
1102 * Note that under parallel SCSI, this issues a BDR message.
1103 * Under FC, we could probably be using ABORT TASK SET
1104 * command.
1105 */
1106
1107 mbs.param[0] = MBOX_ABORT_TARGET;
1108 mbs.param[1] = ((long)arg) << 8;
1109 mbs.param[2] = 2; /* 'delay', in seconds */
1110 isp_mboxcmd(isp, &mbs);
1111 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
1112 isp_dumpregs(isp, "SCSI Target reset failed");
1113 break;
1114 }
1115 PRINTF("%s: Target %d Reset Succeeded\n", isp->isp_name,
1116 (int) ((long) arg));
1117 isp->isp_sendmarker = 1;
1118 return (0);
1119
1120 case ISPCTL_ABORT_CMD:
1121 xs = (ISP_SCSI_XFER_T *) arg;
1122 for (i = 0; i < RQUEST_QUEUE_LEN; i++) {
1123 if (xs == isp->isp_xflist[i]) {
1124 break;
1125 }
1126 }
1127 if (i == RQUEST_QUEUE_LEN) {
1128 PRINTF("%s: isp_control- cannot find command to abort "
1129 "in active list\n", isp->isp_name);
1130 break;
1131 }
1132 mbs.param[0] = MBOX_ABORT;
1133 #ifdef SCCLUN
1134 if (isp->isp_type & ISP_HA_FC) {
1135 mbs.param[1] = XS_TGT(xs) << 8;
1136 mbs.param[4] = 0;
1137 mbs.param[5] = 0;
1138 mbs.param[6] = XS_LUN(xs);
1139 } else {
1140 mbs.param[1] = XS_TGT(xs) << 8 | XS_LUN(xs);
1141 }
1142 #else
1143 mbs.param[1] = XS_TGT(xs) << 8 | XS_LUN(xs);
1144 #endif
1145 mbs.param[2] = (i+1) >> 16;
1146 mbs.param[3] = (i+1) & 0xffff;
1147 isp_mboxcmd(isp, &mbs);
1148 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
1149 PRINTF("%s: isp_control MBOX_ABORT failure (code %x)\n",
1150 isp->isp_name, mbs.param[0]);
1151 break;
1152 }
1153 PRINTF("%s: command for target %d lun %d was aborted\n",
1154 isp->isp_name, XS_TGT(xs), XS_LUN(xs));
1155 return (0);
1156
1157 case ISPCTL_UPDATE_PARAMS:
1158 isp_update(isp);
1159 return(0);
1160 }
1161 return (-1);
1162 }
1163
1164 /*
1165 * Interrupt Service Routine(s).
1166 *
1167 * External (OS) framework has done the appropriate locking,
1168 * and the locking will be held throughout this function.
1169 */
1170
1171 int
1172 isp_intr(arg)
1173 void *arg;
1174 {
1175 ISP_SCSI_XFER_T *complist[RESULT_QUEUE_LEN], *xs;
1176 struct ispsoftc *isp = arg;
1177 u_int8_t iptr, optr;
1178 u_int16_t isr;
1179 int i, ndone = 0;
1180
1181 isr = ISP_READ(isp, BIU_ISR);
1182 if (isp->isp_type & ISP_HA_FC) {
1183 if (isr == 0 || (isr & BIU2100_ISR_RISC_INT) == 0) {
1184 if (isr) {
1185 IDPRINTF(4, ("%s: isp_intr isr=%x\n",
1186 isp->isp_name, isr));
1187 }
1188 return (0);
1189 }
1190 } else {
1191 if (isr == 0 || (isr & BIU_ISR_RISC_INT) == 0) {
1192 if (isr) {
1193 IDPRINTF(4, ("%s: isp_intr isr=%x\n",
1194 isp->isp_name, isr));
1195 }
1196 return (0);
1197 }
1198 }
1199
1200 if (ISP_READ(isp, BIU_SEMA) & 1) {
1201 u_int16_t mbox = ISP_READ(isp, OUTMAILBOX0);
1202 if (isp_parse_async(isp, (int) mbox))
1203 return (1);
1204 ISP_WRITE(isp, BIU_SEMA, 0);
1205 }
1206
1207 ISP_WRITE(isp, HCCR, HCCR_CMD_CLEAR_RISC_INT);
1208
1209 optr = isp->isp_residx;
1210 iptr = ISP_READ(isp, OUTMAILBOX5);
1211
1212 if (optr == iptr) {
1213 IDPRINTF(4, ("why intr? isr %x iptr %x optr %x\n",
1214 isr, optr, iptr));
1215 }
1216 ENABLE_INTS(isp);
1217
1218 while (optr != iptr) {
1219 ispstatusreq_t *sp;
1220 u_int8_t oop;
1221 int buddaboom = 0;
1222
1223 sp = (ispstatusreq_t *) ISP_QUEUE_ENTRY(isp->isp_result, optr);
1224 oop = optr;
1225 optr = ISP_NXT_QENTRY(optr, RESULT_QUEUE_LEN);
1226
1227 if (sp->req_header.rqs_entry_type != RQSTYPE_RESPONSE) {
1228 if (isp_handle_other_response(isp, sp, &optr) == 0) {
1229 ISP_WRITE(isp, INMAILBOX5, optr);
1230 continue;
1231 }
1232 /*
1233 * It really has to be a bounced request just copied
1234 * from the request queue to the response queue.
1235 */
1236
1237 if (sp->req_header.rqs_entry_type != RQSTYPE_REQUEST) {
1238 ISP_WRITE(isp, INMAILBOX5, optr);
1239 continue;
1240 }
1241 PRINTF("%s: not RESPONSE in RESPONSE Queue "
1242 "(type 0x%x) @ idx %d (next %d)\n", isp->isp_name,
1243 sp->req_header.rqs_entry_type, oop, optr);
1244 buddaboom = 1;
1245 }
1246
1247 if (sp->req_header.rqs_flags & 0xf) {
1248 if (sp->req_header.rqs_flags & RQSFLAG_CONTINUATION) {
1249 ISP_WRITE(isp, INMAILBOX5, optr);
1250 continue;
1251 }
1252 PRINTF("%s: rqs_flags=%x", isp->isp_name,
1253 sp->req_header.rqs_flags & 0xf);
1254 if (sp->req_header.rqs_flags & RQSFLAG_FULL) {
1255 PRINTF("%s: internal queues full\n",
1256 isp->isp_name);
1257 /* XXXX: this command *could* get restarted */
1258 buddaboom++;
1259 }
1260 if (sp->req_header.rqs_flags & RQSFLAG_BADHEADER) {
1261 PRINTF("%s: bad header\n", isp->isp_name);
1262 buddaboom++;
1263 }
1264 if (sp->req_header.rqs_flags & RQSFLAG_BADPACKET) {
1265 PRINTF("%s: bad request packet\n",
1266 isp->isp_name);
1267 buddaboom++;
1268 }
1269 }
1270 if (sp->req_handle > RQUEST_QUEUE_LEN || sp->req_handle < 1) {
1271 PRINTF("%s: bad request handle %d\n", isp->isp_name,
1272 sp->req_handle);
1273 ISP_WRITE(isp, INMAILBOX5, optr);
1274 continue;
1275 }
1276 xs = (ISP_SCSI_XFER_T *) isp->isp_xflist[sp->req_handle - 1];
1277 if (xs == NULL) {
1278 PRINTF("%s: NULL xs in xflist (handle %x)\n",
1279 isp->isp_name, sp->req_handle);
1280 isp_dumpxflist(isp);
1281 ISP_WRITE(isp, INMAILBOX5, optr);
1282 continue;
1283 }
1284 isp->isp_xflist[sp->req_handle - 1] = NULL;
1285 if (sp->req_status_flags & RQSTF_BUS_RESET) {
1286 isp->isp_sendmarker = 1;
1287 }
1288 if (buddaboom) {
1289 XS_SETERR(xs, HBA_BOTCH);
1290 }
1291 XS_STS(xs) = sp->req_scsi_status & 0xff;
1292 if (isp->isp_type & ISP_HA_SCSI) {
1293 if (sp->req_state_flags & RQSF_GOT_SENSE) {
1294 bcopy(sp->req_sense_data, XS_SNSP(xs),
1295 XS_SNSLEN(xs));
1296 XS_SNS_IS_VALID(xs);
1297 }
1298 } else {
1299 if (XS_STS(xs) == SCSI_CHECK) {
1300 XS_SNS_IS_VALID(xs);
1301 bcopy(sp->req_sense_data, XS_SNSP(xs),
1302 XS_SNSLEN(xs));
1303 sp->req_state_flags |= RQSF_GOT_SENSE;
1304 }
1305 }
1306 if (XS_NOERR(xs) && XS_STS(xs) == SCSI_BUSY) {
1307 XS_SETERR(xs, HBA_TGTBSY);
1308 }
1309
1310 if (sp->req_header.rqs_entry_type == RQSTYPE_RESPONSE) {
1311 if (XS_NOERR(xs)) {
1312 if (sp->req_completion_status != RQCS_COMPLETE) {
1313 isp_parse_status(isp, sp, xs);
1314 } else {
1315 XS_SETERR(xs, HBA_NOERROR);
1316 }
1317 }
1318 } else {
1319 PRINTF("%s: unknown return %x\n", isp->isp_name,
1320 sp->req_header.rqs_entry_type);
1321 if (XS_NOERR(xs))
1322 XS_SETERR(xs, HBA_BOTCH);
1323 }
1324 if (isp->isp_type & ISP_HA_SCSI) {
1325 XS_RESID(xs) = sp->req_resid;
1326 } else if (sp->req_scsi_status & RQCS_RU) {
1327 XS_RESID(xs) = sp->req_resid;
1328 IDPRINTF(4, ("%s: cnt %d rsd %d\n", isp->isp_name,
1329 XS_XFRLEN(xs), sp->req_resid));
1330 }
1331 if (XS_XFRLEN(xs)) {
1332 ISP_DMAFREE(isp, xs, sp->req_handle - 1);
1333 }
1334 /*
1335 * XXX: If we have a check condition, but no Sense Data,
1336 * XXX: mark it as an error (ARQ failed). We need to
1337 * XXX: to do a more distinct job because there may
1338 * XXX: cases where ARQ is disabled.
1339 */
1340 if (XS_STS(xs) == SCSI_CHECK && !(XS_IS_SNS_VALID(xs))) {
1341 if (XS_NOERR(xs)) {
1342 PRINTF("%s: ARQ failure for target %d lun %d\n",
1343 isp->isp_name, XS_TGT(xs), XS_LUN(xs));
1344 XS_SETERR(xs, HBA_ARQFAIL);
1345 }
1346 }
1347 if ((isp->isp_dblev >= 5) ||
1348 (isp->isp_dblev > 2 && !XS_NOERR(xs))) {
1349 PRINTF("%s(%d.%d): FIN%d dl%d resid%d STS %x",
1350 isp->isp_name, XS_TGT(xs), XS_LUN(xs),
1351 sp->req_header.rqs_seqno, XS_XFRLEN(xs),
1352 XS_RESID(xs), XS_STS(xs));
1353 if (sp->req_state_flags & RQSF_GOT_SENSE) {
1354 PRINTF(" Skey: %x", XS_SNSKEY(xs));
1355 if (!(XS_IS_SNS_VALID(xs))) {
1356 PRINTF(" BUT NOT SET");
1357 }
1358 }
1359 PRINTF(" XS_ERR=0x%x\n", (unsigned int) XS_ERR(xs));
1360 }
1361
1362 ISP_WRITE(isp, INMAILBOX5, optr);
1363 if (isp->isp_nactive > 0)
1364 isp->isp_nactive--;
1365 complist[ndone++] = xs; /* defer completion call until later */
1366 }
1367 /*
1368 * If we completed any commands, then it's valid to find out
1369 * what the outpointer is.
1370 */
1371 if (ndone) {
1372 isp->isp_reqodx = ISP_READ(isp, OUTMAILBOX4);
1373 }
1374 isp->isp_residx = optr;
1375 for (i = 0; i < ndone; i++) {
1376 xs = complist[i];
1377 if (xs) {
1378 XS_CMD_DONE(xs);
1379 }
1380 }
1381 return (1);
1382 }
1383
1384 /*
1385 * Support routines.
1386 */
1387
1388 static int
1389 isp_parse_async(isp, mbox)
1390 struct ispsoftc *isp;
1391 int mbox;
1392 {
1393 switch (mbox) {
1394 case ASYNC_BUS_RESET:
1395 PRINTF("%s: SCSI bus reset detected\n", isp->isp_name);
1396 isp->isp_sendmarker = 1;
1397 #ifdef ISP_TARGET_MODE
1398 isp_notify_ack(isp, NULL);
1399 #endif
1400 break;
1401
1402 case ASYNC_SYSTEM_ERROR:
1403 mbox = ISP_READ(isp, OUTMAILBOX1);
1404 PRINTF("%s: Internal FW Error @ RISC Addr 0x%x\n",
1405 isp->isp_name, mbox);
1406 isp_restart(isp);
1407 /* no point continuing after this */
1408 return (1);
1409
1410 case ASYNC_RQS_XFER_ERR:
1411 PRINTF("%s: Request Queue Transfer Error\n", isp->isp_name);
1412 break;
1413
1414 case ASYNC_RSP_XFER_ERR:
1415 PRINTF("%s: Response Queue Transfer Error\n", isp->isp_name);
1416 break;
1417
1418 case ASYNC_QWAKEUP:
1419 /* don't need to be chatty */
1420 mbox = ISP_READ(isp, OUTMAILBOX4);
1421 break;
1422
1423 case ASYNC_TIMEOUT_RESET:
1424 PRINTF("%s: timeout initiated SCSI bus reset\n", isp->isp_name);
1425 isp->isp_sendmarker = 1;
1426 #ifdef ISP_TARGET_MODE
1427 isp_notify_ack(isp, NULL);
1428 #endif
1429 break;
1430
1431 case ASYNC_DEVICE_RESET:
1432 PRINTF("%s: device reset\n", isp->isp_name);
1433 #ifdef ISP_TARGET_MODE
1434 isp_notify_ack(isp, NULL);
1435 #endif
1436 break;
1437
1438 case ASYNC_EXTMSG_UNDERRUN:
1439 PRINTF("%s: extended message underrun\n", isp->isp_name);
1440 break;
1441
1442 case ASYNC_SCAM_INT:
1443 PRINTF("%s: SCAM interrupt\n", isp->isp_name);
1444 break;
1445
1446 case ASYNC_HUNG_SCSI:
1447 PRINTF("%s: stalled SCSI Bus after DATA Overrun\n",
1448 isp->isp_name);
1449 /* XXX: Need to issue SCSI reset at this point */
1450 break;
1451
1452 case ASYNC_KILLED_BUS:
1453 PRINTF("%s: SCSI Bus reset after DATA Overrun\n",
1454 isp->isp_name);
1455 break;
1456
1457 case ASYNC_BUS_TRANSIT:
1458 PRINTF("%s: LBD->HVD Transition 0x%x\n",
1459 isp->isp_name, ISP_READ(isp, OUTMAILBOX1));
1460 break;
1461
1462 case ASYNC_CMD_CMPLT:
1463 PRINTF("%s: fast post completion\n", isp->isp_name);
1464 #if 0
1465 fast_post_handle = (ISP_READ(isp, OUTMAILBOX1) << 16) |
1466 ISP_READ(isp, OUTMAILBOX2);
1467 #endif
1468 break;
1469
1470 case ASYNC_CTIO_DONE:
1471 /* Should only occur when Fast Posting Set for 2100s */
1472 PRINTF("%s: CTIO done\n", isp->isp_name);
1473 break;
1474
1475 case ASYNC_LIP_OCCURRED:
1476 PRINTF("%s: LIP occurred\n", isp->isp_name);
1477 break;
1478
1479 case ASYNC_LOOP_UP:
1480 PRINTF("%s: Loop UP\n", isp->isp_name);
1481 break;
1482
1483 case ASYNC_LOOP_DOWN:
1484 PRINTF("%s: Loop DOWN\n", isp->isp_name);
1485 break;
1486
1487 case ASYNC_LOOP_RESET:
1488 PRINTF("%s: Loop RESET\n", isp->isp_name);
1489 #ifdef ISP_TARGET_MODE
1490 isp_notify_ack(isp, NULL);
1491 #endif
1492 break;
1493
1494 case ASYNC_PDB_CHANGED:
1495 PRINTF("%s: Port Database Changed\n", isp->isp_name);
1496 break;
1497
1498 case ASYNC_CHANGE_NOTIFY:
1499 PRINTF("%s: Name Server Database Changed\n", isp->isp_name);
1500 break;
1501
1502 default:
1503 PRINTF("%s: async %x\n", isp->isp_name, mbox);
1504 break;
1505 }
1506 return (0);
1507 }
1508
1509 static int
1510 isp_handle_other_response(isp, sp, optrp)
1511 struct ispsoftc *isp;
1512 ispstatusreq_t *sp;
1513 u_int8_t *optrp;
1514 {
1515 u_int8_t iptr, optr;
1516 int reqsize = 0;
1517 void *ireqp = NULL;
1518 #ifdef ISP_TARGET_MODE
1519 union {
1520 at_entry_t *atio;
1521 at2_entry_t *at2io;
1522 ct_entry_t *ctio;
1523 ct2_entry_t *ct2io;
1524 lun_entry_t *lunen;
1525 in_entry_t *inot;
1526 in_fcentry_t *inot_fc;
1527 na_entry_t *nack;
1528 na_fcentry_t *nack_fc;
1529 void *voidp;
1530 #define atio un.atio
1531 #define at2io un.at2io
1532 #define ctio un.ctio
1533 #define ct2io un.ct2io
1534 #define lunen un.lunen
1535 #define inot un.inot
1536 #define inot_fc un.inot_fc
1537 #define nack un.nack
1538 #define nack_fc un.nack_fc
1539 } un;
1540
1541 un.voidp = sp;
1542 #endif
1543
1544
1545 switch (sp->req_header.rqs_entry_type) {
1546 case RQSTYPE_REQUEST:
1547 return (-1);
1548 #ifdef ISP_TARGET_MODE
1549 case RQSTYPE_NOTIFY_ACK:
1550 {
1551 static const char *f =
1552 "%s: Notify Ack Status 0x%x Sequence Id 0x%x\n"
1553 /*
1554 * The ISP is acknowleding our ack of an Immediate Notify.
1555 */
1556 if (isp->isp_type & ISP_HA_FC) {
1557 PRINTF(f, isp->isp_name,
1558 nack_fc->na-status, nack_fc->na_seqid);
1559 } else {
1560 PRINTF(f, isp->isp_name,
1561 nack->na_status, nack->na_seqid);
1562 }
1563 break;
1564 }
1565 case RQSTYPE_NOTIFY:
1566 {
1567 u_int16_t seqid, status;
1568
1569 /*
1570 * Either the ISP received a SCSI message it cannot handle
1571 * or some other out of band condition (e.g., Port Logout)
1572 * or it is returning an Immediate Notify entry we sent.
1573 */
1574 if (isp->isp_type & ISP_HA_FC) {
1575 status = inot_fc->status;
1576 seqid = inot_fc->in_seqid;
1577 } else {
1578 status = inot->status;
1579 seqid = inot->seqid & 0xff;
1580 }
1581 PRINTF("%s: Immediate Notify Status 0x%x Sequence Id 0x%x\n",
1582 isp->isp_name, status, seqid);
1583
1584 switch (status) {
1585 case IN_MSG_RECEIVED:
1586 case IN_IDE_RECEIVED:
1587 ptisp_got_msg(ptp, &inot);
1588 break;
1589 case IN_RSRC_UNAVAIL:
1590 PRINTF("%s: Firmware out of ATIOs\n", isp->isp_name);
1591 break;
1592 case IN_ABORT_TASK:
1593 PRINTF("%s: Abort Task iid %d rx_id 0x%x\n",
1594 inot_fc->in_iid, seqid);
1595 break;
1596 case IN_PORT_LOGOUT:
1597 PRINTF("%s: Port Logout for Initiator %d\n",
1598 isp->isp_name, inot_fc->in_iid);
1599 break;
1600 default:
1601 PRINTF("%s: bad status (0x%x) in Immediate Notify\n",
1602 isp->isp_name, status);
1603 break;
1604
1605 }
1606 isp_notify_ack(isp, un.voidp);
1607 reqsize = 0;
1608 break;
1609 }
1610 case RQSTYPE_ENABLE_LUN:
1611 case RQSTYPE_MODIFY_LUN:
1612 if (lunen->req_status != 1) {
1613 PRINTF("%s: ENABLE/MODIFY LUN returned status 0x%x\n",
1614 isp->isp_name, lunen->req_status);
1615 }
1616 break;
1617 case RQSTYPE_ATIO2:
1618 {
1619 fcparam *fcp = isp->isp_param;
1620 ispctiot2_t local, *ct2 = NULL;
1621 ispatiot2_t *at2 = (ispatiot2_t *) sp;
1622 int s, lun;
1623
1624 #ifdef SCCLUN
1625 lun = at2->req_scclun;
1626 #else
1627 lun = at2->req_lun;
1628 #endif
1629 PRINTF("%s: atio2 loopid %d for lun %d rxid 0x%x flags0x%x "
1630 "tflags0x%x ecodes0x%x rqstatus0x%x\n", isp->isp_name,
1631 at2->req_initiator, lun, at2->req_rxid,
1632 at2->req_flags, at2->req_taskflags, at2->req_execodes,
1633 at2->req_status);
1634
1635 switch (at2->req_status & ~ATIO_SENSEVALID) {
1636 case ATIO_PATH_INVALID:
1637 PRINTF("%s: ATIO2 Path Invalid\n", isp->isp_name);
1638 break;
1639 case ATIO_NOCAP:
1640 PRINTF("%s: ATIO2 No Cap\n", isp->isp_name);
1641 break;
1642 case ATIO_BDR_MSG:
1643 PRINTF("%s: ATIO2 BDR Received\n", isp->isp_name);
1644 break;
1645 case ATIO_CDB_RECEIVED:
1646 ct2 = &local;
1647 break;
1648 default:
1649 PRINTF("%s: unknown req_status 0x%x\n", isp->isp_name,
1650 at2->req_status);
1651 break;
1652 }
1653 if (ct2 == NULL) {
1654 /*
1655 * Just do an ACCEPT on this fellow.
1656 */
1657 at2->req_header.rqs_entry_type = RQSTYPE_ATIO2;
1658 at2->req_header.rqs_flags = 0;
1659 at2->req_flags = 1;
1660 ireqp = at2;
1661 reqsize = sizeof (*at2);
1662 break;
1663 }
1664 PRINTF("%s: datalen %d cdb0=0x%x\n", isp->isp_name,
1665 at2->req_datalen, at2->req_cdb[0]);
1666 bzero ((void *) ct2, sizeof (*ct2));
1667 ct2->req_header.rqs_entry_type = RQSTYPE_CTIO2;
1668 ct2->req_header.rqs_entry_count = 1;
1669 ct2->req_header.rqs_flags = 0;
1670 ct2->req_header.rqs_seqno = isp->isp_seqno++;
1671 ct2->req_handle = (at2->req_initiator << 16) | lun;
1672 #ifndef SCCLUN
1673 ct2->req_lun = lun;
1674 #endif
1675 ct2->req_initiator = at2->req_initiator;
1676 ct2->req_rxid = at2->req_rxid;
1677
1678 ct2->req_flags = CTIO_SEND_STATUS;
1679 switch (at2->req_cdb[0]) {
1680 case 0x0: /* TUR */
1681 ct2->req_flags |= CTIO_NODATA | CTIO2_SMODE0;
1682 ct2->req_m.mode0.req_scsi_status = CTIO2_STATUS_VALID;
1683 break;
1684
1685 case 0x3: /* REQUEST SENSE */
1686 case 0x12: /* INQUIRE */
1687 ct2->req_flags |= CTIO_SEND_DATA | CTIO2_SMODE0;
1688 ct2->req_m.mode0.req_scsi_status = CTIO2_STATUS_VALID;
1689 ct2->req_seg_count = 1;
1690 if (at2->req_cdb[0] == 0x12) {
1691 s = sizeof(tgtiqd);
1692 bcopy((void *)tgtiqd, fcp->isp_scratch, s);
1693 } else {
1694 s = at2->req_datalen;
1695 bzero(fcp->isp_scratch, s);
1696 }
1697 ct2->req_m.mode0.req_dataseg[0].ds_base =
1698 fcp->isp_scdma;
1699 ct2->req_m.mode0.req_dataseg[0].ds_count = s;
1700 ct2->req_m.mode0.req_datalen = s;
1701 #if 1
1702 if (at2->req_datalen < s) {
1703 ct2->req_m.mode1.req_scsi_status |=
1704 CTIO2_RESP_VALID|CTIO2_RSPOVERUN;
1705 } else if (at2->req_datalen > s) {
1706 ct2->req_m.mode1.req_scsi_status |=
1707 CTIO2_RESP_VALID|CTIO2_RSPUNDERUN;
1708 }
1709 #endif
1710 break;
1711
1712 default: /* ALL OTHERS */
1713 ct2->req_flags |= CTIO_NODATA | CTIO2_SMODE1;
1714 ct2->req_m.mode1.req_scsi_status = 0;
1715 #if 1
1716 if (at2->req_datalen) {
1717 ct2->req_m.mode1.req_scsi_status |=
1718 CTIO2_RSPUNDERUN;
1719 #if BYTE_ORDER == BIG_ENDIAN
1720 ct2->req_resid[1] = at2->req_datalen & 0xff;
1721 ct2->req_resid[0] =
1722 (at2->req_datalen >> 8) & 0xff;
1723 ct2->req_resid[3] =
1724 (at2->req_datalen >> 16) & 0xff;
1725 ct2->req_resid[2] =
1726 (at2->req_datalen >> 24) & 0xff;
1727 #else
1728 ct2->req_resid[0] = at2->req_datalen & 0xff;
1729 ct2->req_resid[1] =
1730 (at2->req_datalen >> 8) & 0xff;
1731 ct2->req_resid[2] =
1732 (at2->req_datalen >> 16) & 0xff;
1733 ct2->req_resid[3] =
1734 (at2->req_datalen >> 24) & 0xff;
1735 #endif
1736 }
1737 #endif
1738 if ((at2->req_status & ATIO_SENSEVALID) == 0) {
1739 ct2->req_m.mode1.req_sense_len = 18;
1740 ct2->req_m.mode1.req_scsi_status |= 2;
1741 ct2->req_m.mode1.req_response[0] = 0x70;
1742 ct2->req_m.mode1.req_response[2] = 0x2;
1743 } else {
1744 ct2->req_m.mode1.req_sense_len = 18;
1745 ct2->req_m.mode1.req_scsi_status |=
1746 at2->req_scsi_status;
1747 bcopy((void *)at2->req_sense,
1748 (void *)ct2->req_m.mode1.req_response,
1749 sizeof (at2->req_sense));
1750 }
1751 break;
1752 }
1753 reqsize = sizeof (*ct2);
1754 ireqp = ct2;
1755 break;
1756 }
1757 case RQSTYPE_CTIO2:
1758 {
1759 ispatiot2_t *at2;
1760 ispctiot2_t *ct2 = (ispctiot2_t *) sp;
1761 PRINTF("%s: CTIO2 returned status 0x%x\n", isp->isp_name,
1762 ct2->req_status);
1763 /*
1764 * Return the ATIO to the board.
1765 */
1766 at2 = (ispatiot2_t *) sp;
1767 at2->req_header.rqs_entry_type = RQSTYPE_ATIO2;
1768 at2->req_header.rqs_entry_count = 1;
1769 at2->req_header.rqs_flags = 0;
1770 at2->req_header.rqs_seqno = isp->isp_seqno++;
1771 at2->req_status = 1;
1772 reqsize = sizeof (*at2);
1773 ireqp = at2;
1774 break;
1775 }
1776 #undef atio
1777 #undef at2io
1778 #undef ctio
1779 #undef ct2io
1780 #undef lunen
1781 #undef inot
1782 #undef inot_fc
1783 #undef nack
1784 #undef nack_fc
1785 #endif
1786 default:
1787 PRINTF("%s: other response type %x\n", isp->isp_name,
1788 sp->req_header.rqs_entry_type);
1789 break;
1790 }
1791 if (reqsize) {
1792 void *reqp;
1793 optr = isp->isp_reqodx = ISP_READ(isp, OUTMAILBOX4);
1794 iptr = isp->isp_reqidx;
1795 reqp = (void *) ISP_QUEUE_ENTRY(isp->isp_rquest, iptr);
1796 iptr = ISP_NXT_QENTRY(iptr, RQUEST_QUEUE_LEN);
1797 if (iptr == optr) {
1798 PRINTF("%s: Request Queue Overflow other response\n",
1799 isp->isp_name);
1800 } else {
1801 bcopy(ireqp, reqp, reqsize);
1802 ISP_WRITE(isp, INMAILBOX4, iptr);
1803 isp->isp_reqidx = iptr;
1804 }
1805 }
1806 return (0);
1807 }
1808
1809 #ifdef ISP_TARGET_MODE
1810
1811 static void isp_tmd_newcmd_dflt __P((void *, tmd_cmd_t *));
1812 static void isp_tmd_event_dflt __P((void *, int));
1813 static void isp_tmd_notify_dflt __P((void *, tmd_notify_t *));
1814
1815 static void isp_tgt_data_xfer __P ((tmd_cmd_t *));
1816 static void isp_tgt_endcmd __P ((tmd_cmd_t *, u_int8_t));
1817 static void isp_tgt_done __P ((tmd_cmd_t *));
1818
1819 static void
1820 isp_tmd_newcmd_dflt(arg0, cmdp)
1821 void *arg0;
1822 tmd_cmd_t *cmdp;
1823 {
1824 }
1825
1826 static void
1827 isp_tmd_event_dflt(arg0, event)
1828 void *arg0;
1829 int event;
1830 {
1831 }
1832
1833 static void
1834 isp_tmd_notify_dflt(arg0, npt)
1835 void *arg0;
1836 tmd_notify_t *npt;
1837 {
1838 }
1839
1840 /*
1841 * Locks held, and ints disabled (if FC).
1842 *
1843 * XXX: SETUP ONLY FOR INITIAL ENABLING RIGHT NOW
1844 */
1845 static int
1846 isp_modify_lun(isp, lun, icnt, ccnt)
1847 struct ispsoftc *isp;
1848 int lun; /* logical unit to enable, modify, or disable */
1849 int icnt; /* immediate notify count */
1850 int ccnt; /* command count */
1851 {
1852 isplun_t *ip = NULL;
1853 u_int8_t iptr, optr;
1854
1855 optr = isp->isp_reqodx = ISP_READ(isp, OUTMAILBOX4);
1856 iptr = isp->isp_reqidx;
1857 ip = (isplun_t *) ISP_QUEUE_ENTRY(isp->isp_rquest, iptr);
1858 iptr = ISP_NXT_QENTRY(iptr, RQUEST_QUEUE_LEN);
1859 if (iptr == optr) {
1860 PRINTF("%s: Request Queue Overflow in isp_modify_lun\n",
1861 isp->isp_name);
1862 return (-1);
1863 }
1864
1865 bzero((void *) ip, sizeof (*ip));
1866 ip->req_header.rqs_entry_type = RQSTYPE_ENABLE_LUN;
1867 ip->req_header.rqs_entry_count = 1;
1868 ip->req_header.rqs_seqno = isp->isp_seqno++;
1869 ip->req_handle = RQSTYPE_ENABLE_LUN;
1870 if (isp->isp_type & ISP_HA_SCSI) {
1871 ip->req_lun = lun;
1872 }
1873 ip->req_cmdcount = ccnt;
1874 ip->req_imcount = icnt;
1875 ip->req_timeout = 0; /* default 30 seconds */
1876 ISP_WRITE(isp, INMAILBOX4, iptr);
1877 isp->isp_reqidx = iptr;
1878 return (0);
1879 }
1880
1881 static void
1882 isp_notify_ack(isp, ptrp)
1883 struct ispsoftc *isp;
1884 void *ptrp;
1885 {
1886 void *reqp;
1887 u_int8_t iptr, optr;
1888 union {
1889 na_fcentry_t _naf;
1890 na_entry_t _nas;
1891 } un;
1892
1893 bzero((caddr_t)&un, sizeof (un));
1894 un._nas.na_header.rqs_entry_type = RQSTYPE_NOTIFY_ACK;
1895 un._nas.na_header.rqs_entry_count = 1;
1896
1897 if (isp->isp_type & ISP_HA_FC) {
1898 na_fcentry_t *na = &un._nas;
1899 if (ptrp) {
1900 in_fcentry_t *inp = ptrp;
1901 na->na_iid = inp->in_iid;
1902 na->na_lun = inp->in_lun;
1903 na->na_task_flags = inp->in_task_flags;
1904 na->na_seqid = inp->in_seqid;
1905 na->na_status = inp->in_status;
1906 } else {
1907 na->na_flags = NAFC_RST_CLRD;
1908 }
1909 } else {
1910 na_entry_t *na = &un._nas;
1911 if (ptrp) {
1912 in_entry_t *inp = ptrp;
1913 na->na_iid = inp->in_iid;
1914 na->na_lun = inp->in_lun;
1915 na->na_tgt = inp->in_tgt;
1916 na->na_seqid = inp->in_seqid;
1917 } else {
1918 na->na_flags = NA_RST_CLRD;
1919 }
1920 }
1921 optr = isp->isp_reqodx = ISP_READ(isp, OUTMAILBOX4);
1922 iptr = isp->isp_reqidx;
1923 reqp = (void *) ISP_QUEUE_ENTRY(isp->isp_rquest, iptr);
1924 iptr = ISP_NXT_QENTRY(iptr, RQUEST_QUEUE_LEN);
1925 if (iptr == optr) {
1926 PRINTF("%s: Request Queue Overflow For isp_notify_ack\n",
1927 isp->isp_name);
1928 } else {
1929 bcopy(ireqp, reqp, sizeof (un));
1930 ISP_WRITE(isp, INMAILBOX4, iptr);
1931 isp->isp_reqidx = iptr;
1932 }
1933 }
1934
1935 /*
1936 * These are dummy stubs for now until the outside framework is plugged in.
1937 */
1938
1939 static void
1940 isp_handle_atio (isp, aep)
1941 struct ispsoftc *isp;
1942 at_entry_t *aep;
1943 {
1944 int status, connected;
1945 tmd_cmd_t local, *cdp = &local;
1946
1947 /*
1948 * Get the ATIO status and see if we're still connected.
1949 */
1950 status = aep->at_status;
1951 connected = ((aep->at_flags & AT_NODISC) != 0);
1952
1953 PRINTF("%s: ATIO status=0x%x, connected=%d\n", isp->isp_name,
1954 status, connected);
1955
1956 /*
1957 * The firmware status (except for the SenseValid bit) indicates
1958 * why this ATIO was sent to us.
1959 * If SenseValid is set, the firware has recommended Sense Data.
1960 * If the Disconnects Disabled bit is set in the flags field,
1961 * we're still connected on the SCSI bus - i.e. the initiator
1962 * did not set DiscPriv in the identify message. We don't care
1963 * about this so it's ignored.
1964 */
1965 switch(status & ~TGTSVALID) {
1966 case AT_PATH_INVALID:
1967 /*
1968 * ATIO rejected by the firmware due to disabled lun.
1969 */
1970 PRINTF("%s: Firmware rejected ATIO for disabled lun %d\n",
1971 isp->isp_name, aep->at_lun);
1972 break;
1973
1974 case AT_PHASE_ERROR:
1975 /*
1976 * Bus Pase Sequence error.
1977 *
1978 * The firmware should have filled in the correct
1979 * sense data.
1980 */
1981
1982
1983 if (status & TGTSVALID) {
1984 bcopy((caddr_t) aep->at_sense,
1985 (caddr_t) &cdp->cd_sensedata,
1986 sizeof (cdp->cd_sensedata));
1987 PRINTF("%s: Bus Phase Sequence error key 0x%x\n",
1988 isp->isp_name, cdp->cd_sensedata[2] & 0xf);
1989 } else {
1990 PRINTF("%s: Bus Phase Sequence With No Sense\n",
1991 isp->isp_name);
1992 }
1993 (*isp->isp_tmd_newcmd)(isp, cdp);
1994 break;
1995
1996 case AT_NOCAP:
1997 /*
1998 * Requested Capability not available
1999 * We sent an ATIO that overflowed the firmware's
2000 * command resource count.
2001 */
2002 PRINTF("%s: Firmware rejected ATIO, command count overflow\n",
2003 isp->isp_name);
2004 break;
2005
2006 case AT_BDR_MSG:
2007 /*
2008 * If we send an ATIO to the firmware to increment
2009 * its command resource count, and the firmware is
2010 * recovering from a Bus Device Reset, it returns
2011 * the ATIO with this status.
2012 */
2013 PRINTF("%s: ATIO returned with BDR received\n", isp->isp_name);
2014 break;
2015
2016 case AT_CDB:
2017 /*
2018 * New CDB
2019 */
2020 cdp->cd_hba = isp;
2021 cdp->cd_iid = aep->at_iid;
2022 cdp->cd_tgt = aep->at_tgt;
2023 cdp->cd_lun = aep->at_lun;
2024 cdp->cd_tagtype = aep->at_tag_type;
2025 cdp->cd_tagval = aep->at_tag_val;
2026 bcopy(aep->at_cdb, cdp->cd_cdb, 16);
2027 PRINTF("%s: CDB 0x%x itl %d/%d/%d\n", isp->isp_name,
2028 cdp->cd_cdb[0], cdp->cd_iid, cdp->cd_tgt, cdp->cd_lun);
2029 (*isp->isp_tmd_newcmd)(isp, cdp);
2030 break;
2031
2032 default:
2033 PRINTF("%s: Unknown status (0x%x) in ATIO\n",
2034 isp->isp_name, status);
2035 cdp->cd_hba = isp;
2036 cdp->cd_iid = aep->at_iid;
2037 cdp->cd_tgt = aep->at_tgt;
2038 cdp->cd_lun = aep->at_lun;
2039 cdp->cd_tagtype = aep->at_tag_type;
2040 cdp->cd_tagval = aep->at_tag_val;
2041 isp_tgtcmd_done(cdp);
2042 break;
2043 }
2044 }
2045
2046 static void
2047 isp_handle_atio2(isp, aep)
2048 struct ispsoftc *isp;
2049 at2_entry_t *aep;
2050 {
2051 int status;
2052 tmd_cmd_t local, *cdp = &local;
2053
2054 /*
2055 * Get the ATIO2 status.
2056 */
2057 status = aep->at_status;
2058 PRINTD("%s: ATIO2 status=0x%x\n", status);
2059
2060 /*
2061 * The firmware status (except for the SenseValid bit) indicates
2062 * why this ATIO was sent to us.
2063 * If SenseValid is set, the firware has recommended Sense Data.
2064 */
2065 switch(status & ~TGTSVALID) {
2066 case AT_PATH_INVALID:
2067 /*
2068 * ATIO rejected by the firmware due to disabled lun.
2069 */
2070 PRINTF("%s: Firmware rejected ATIO2 for disabled lun %d\n",
2071 isp->isp_name, aep->at_lun);
2072 break;
2073
2074 case AT_NOCAP:
2075 /*
2076 * Requested Capability not available
2077 * We sent an ATIO that overflowed the firmware's
2078 * command resource count.
2079 */
2080 PRINTF("%s: Firmware rejected ATIO2, command count overflow\n",
2081 isp->isp_name);
2082 break;
2083
2084 case AT_BDR_MSG:
2085 /*
2086 * If we send an ATIO to the firmware to increment
2087 * its command resource count, and the firmware is
2088 * recovering from a Bus Device Reset, it returns
2089 * the ATIO with this status.
2090 */
2091 PRINTF("%s: ATIO2 returned with BDR rcvd\n", isp->isp_name);
2092 break;
2093
2094 case AT_CDB:
2095 /*
2096 * New CDB
2097 */
2098 cdp->cd_hba = isp;
2099 cdp->cd_iid = aep->at_iid;
2100 cdp->cd_tgt = 0;
2101 cdp->cd_lun = aep->at_lun;
2102 bcopy(aep->at_cdb, cdp->cd_cdb, 16);
2103 cdp->cd_rxid = aep->at_rxid;
2104 cdp->cp_origdlen = aep->at_datalen;
2105 cdp->cp_totbytes = 0;
2106 PRINTF("%s: CDB 0x%x rx_id 0x%x itl %d/%d/%d dlen %d\n",
2107 isp->isp_name, cdp->cd_cdb[0], cdp->cd_tagval, cdp->cd_iid,
2108 cdp->cd_tgt, cdp->cd_lun, aep->at_datalen);
2109 (*isp->isp_tmd_newcmd)(isp, cdp);
2110 break;
2111
2112 default:
2113 PRINTF("%s: Unknown status (0x%x) in ATIO2\n",
2114 isp->isp_name, status);
2115 cdp->cd_hba = isp;
2116 cdp->cd_iid = aep->at_iid;
2117 cdp->cd_tgt = aep->at_tgt;
2118 cdp->cd_lun = aep->at_lun;
2119 cdp->cp_rxid = aep->at_rxid;
2120 isp_tgtcmd_done(cdp);
2121 break;
2122 }
2123 }
2124
2125 static void
2126 isp_handle_ctio(isp, cep)
2127 struct ispsoftc *isp;
2128 ct_entry_t *aep;
2129 {
2130 }
2131
2132 static void
2133 isp_handle_ctio2(isp, cep)
2134 struct ispsoftc *isp;
2135 at2_entry_t *aep;
2136 {
2137 }
2138 #endif
2139
2140 static void
2141 isp_parse_status(isp, sp, xs)
2142 struct ispsoftc *isp;
2143 ispstatusreq_t *sp;
2144 ISP_SCSI_XFER_T *xs;
2145 {
2146 switch (sp->req_completion_status) {
2147 case RQCS_COMPLETE:
2148 XS_SETERR(xs, HBA_NOERROR);
2149 return;
2150
2151 case RQCS_INCOMPLETE:
2152 if ((sp->req_state_flags & RQSF_GOT_TARGET) == 0) {
2153 IDPRINTF(3, ("%s: Selection Timeout for target %d\n",
2154 isp->isp_name, XS_TGT(xs)));
2155 XS_SETERR(xs, HBA_SELTIMEOUT);
2156 return;
2157 }
2158 PRINTF("%s: command incomplete for target %d lun %d, state "
2159 "0x%x\n", isp->isp_name, XS_TGT(xs), XS_LUN(xs),
2160 sp->req_state_flags);
2161 break;
2162
2163 case RQCS_DMA_ERROR:
2164 PRINTF("%s: DMA error for command on target %d, lun %d\n",
2165 isp->isp_name, XS_TGT(xs), XS_LUN(xs));
2166 break;
2167
2168 case RQCS_TRANSPORT_ERROR:
2169 PRINTF("%s: transport error\n", isp->isp_name);
2170 isp_prtstst(sp);
2171 break;
2172
2173 case RQCS_RESET_OCCURRED:
2174 IDPRINTF(2, ("%s: bus reset destroyed command for target %d "
2175 "lun %d\n", isp->isp_name, XS_TGT(xs), XS_LUN(xs)));
2176 isp->isp_sendmarker = 1;
2177 XS_SETERR(xs, HBA_BUSRESET);
2178 return;
2179
2180 case RQCS_ABORTED:
2181 PRINTF("%s: command aborted for target %d lun %d\n",
2182 isp->isp_name, XS_TGT(xs), XS_LUN(xs));
2183 isp->isp_sendmarker = 1;
2184 XS_SETERR(xs, HBA_ABORTED);
2185 return;
2186
2187 case RQCS_TIMEOUT:
2188 IDPRINTF(2, ("%s: command timed out for target %d lun %d\n",
2189 isp->isp_name, XS_TGT(xs), XS_LUN(xs)));
2190 XS_SETERR(xs, HBA_CMDTIMEOUT);
2191 return;
2192
2193 case RQCS_DATA_OVERRUN:
2194 if (isp->isp_type & ISP_HA_FC) {
2195 XS_RESID(xs) = sp->req_resid;
2196 break;
2197 }
2198 XS_SETERR(xs, HBA_DATAOVR);
2199 return;
2200
2201 case RQCS_COMMAND_OVERRUN:
2202 PRINTF("%s: command overrun for command on target %d, lun %d\n",
2203 isp->isp_name, XS_TGT(xs), XS_LUN(xs));
2204 break;
2205
2206 case RQCS_STATUS_OVERRUN:
2207 PRINTF("%s: status overrun for command on target %d, lun %d\n",
2208 isp->isp_name, XS_TGT(xs), XS_LUN(xs));
2209 break;
2210
2211 case RQCS_BAD_MESSAGE:
2212 PRINTF("%s: message not COMMAND COMPLETE after status on "
2213 "target %d, lun %d\n", isp->isp_name, XS_TGT(xs),
2214 XS_LUN(xs));
2215 break;
2216
2217 case RQCS_NO_MESSAGE_OUT:
2218 PRINTF("%s: No MESSAGE OUT phase after selection on "
2219 "target %d, lun %d\n", isp->isp_name, XS_TGT(xs),
2220 XS_LUN(xs));
2221 break;
2222
2223 case RQCS_EXT_ID_FAILED:
2224 PRINTF("%s: EXTENDED IDENTIFY failed on target %d, lun %d\n",
2225 isp->isp_name, XS_TGT(xs), XS_LUN(xs));
2226 break;
2227
2228 case RQCS_IDE_MSG_FAILED:
2229 PRINTF("%s: target %d lun %d rejected INITIATOR DETECTED "
2230 "ERROR message\n", isp->isp_name, XS_TGT(xs), XS_LUN(xs));
2231 break;
2232
2233 case RQCS_ABORT_MSG_FAILED:
2234 PRINTF("%s: target %d lun %d rejected ABORT message\n",
2235 isp->isp_name, XS_TGT(xs), XS_LUN(xs));
2236 break;
2237
2238 case RQCS_REJECT_MSG_FAILED:
2239 PRINTF("%s: target %d lun %d rejected MESSAGE REJECT message\n",
2240 isp->isp_name, XS_TGT(xs), XS_LUN(xs));
2241 break;
2242
2243 case RQCS_NOP_MSG_FAILED:
2244 PRINTF("%s: target %d lun %d rejected NOP message\n",
2245 isp->isp_name, XS_TGT(xs), XS_LUN(xs));
2246 break;
2247
2248 case RQCS_PARITY_ERROR_MSG_FAILED:
2249 PRINTF("%s: target %d lun %d rejected MESSAGE PARITY ERROR "
2250 "message\n", isp->isp_name, XS_TGT(xs), XS_LUN(xs));
2251 break;
2252
2253 case RQCS_DEVICE_RESET_MSG_FAILED:
2254 PRINTF("%s: target %d lun %d rejected BUS DEVICE RESET "
2255 "message\n", isp->isp_name, XS_TGT(xs), XS_LUN(xs));
2256 break;
2257
2258 case RQCS_ID_MSG_FAILED:
2259 PRINTF("%s: target %d lun %d rejected IDENTIFY "
2260 "message\n", isp->isp_name, XS_TGT(xs), XS_LUN(xs));
2261 break;
2262
2263 case RQCS_UNEXP_BUS_FREE:
2264 PRINTF("%s: target %d lun %d had an unexpected bus free\n",
2265 isp->isp_name, XS_TGT(xs), XS_LUN(xs));
2266 break;
2267
2268 case RQCS_DATA_UNDERRUN:
2269 if (isp->isp_type & ISP_HA_FC) {
2270 XS_RESID(xs) = sp->req_resid;
2271 /* an UNDERRUN is not a botch ??? */
2272 }
2273 XS_SETERR(xs, HBA_NOERROR);
2274 return;
2275
2276 case RQCS_XACT_ERR1:
2277 PRINTF("%s: HBA attempted queued transaction with disconnect "
2278 "not set for target %d lun %d\n", isp->isp_name, XS_TGT(xs),
2279 XS_LUN(xs));
2280 break;
2281
2282 case RQCS_XACT_ERR2:
2283 PRINTF("%s: HBA attempted queued transaction to target "
2284 "routine %d on target %d\n", isp->isp_name, XS_LUN(xs),
2285 XS_TGT(xs));
2286 break;
2287
2288 case RQCS_XACT_ERR3:
2289 PRINTF("%s: HBA attempted queued transaction for target %d lun "
2290 "%d when queueing disabled\n", isp->isp_name, XS_TGT(xs),
2291 XS_LUN(xs));
2292 break;
2293
2294 case RQCS_BAD_ENTRY:
2295 PRINTF("%s: invalid IOCB entry type detected\n", isp->isp_name);
2296 break;
2297
2298 case RQCS_QUEUE_FULL:
2299 PRINTF("%s: internal queues full for target %d lun %d\n",
2300 isp->isp_name, XS_TGT(xs), XS_LUN(xs));
2301 break;
2302
2303 case RQCS_PHASE_SKIPPED:
2304 PRINTF("%s: SCSI phase skipped (e.g., COMMAND COMPLETE w/o "
2305 "STATUS phase) for target %d lun %d\n", isp->isp_name,
2306 XS_TGT(xs), XS_LUN(xs));
2307 break;
2308
2309 case RQCS_ARQS_FAILED:
2310 PRINTF("%s: Auto Request Sense failed for target %d lun %d\n",
2311 isp->isp_name, XS_TGT(xs), XS_LUN(xs));
2312 XS_SETERR(xs, HBA_ARQFAIL);
2313 return;
2314
2315 case RQCS_WIDE_FAILED:
2316 PRINTF("%s: Wide Negotiation failed for target %d lun %d\n",
2317 isp->isp_name, XS_TGT(xs), XS_LUN(xs));
2318 if (isp->isp_type & ISP_HA_SCSI) {
2319 sdparam *sdp = isp->isp_param;
2320 isp->isp_update = 1;
2321 sdp->isp_devparam[XS_TGT(xs)].dev_update = 1;
2322 sdp->isp_devparam[XS_TGT(xs)].dev_flags &= ~DPARM_WIDE;
2323 }
2324 XS_SETERR(xs, HBA_NOERROR);
2325 return;
2326
2327 case RQCS_SYNCXFER_FAILED:
2328 PRINTF("%s: SDTR Message failed for target %d lun %d\n",
2329 isp->isp_name, XS_TGT(xs), XS_LUN(xs));
2330 if (isp->isp_type & ISP_HA_SCSI) {
2331 sdparam *sdp = isp->isp_param;
2332 isp->isp_update = 1;
2333 sdp->isp_devparam[XS_TGT(xs)].dev_update = 1;
2334 sdp->isp_devparam[XS_TGT(xs)].dev_flags &= ~DPARM_SYNC;
2335 }
2336 break;
2337
2338 case RQCS_LVD_BUSERR:
2339 PRINTF("%s: Bad LVD Bus condition while talking to target %d "
2340 "lun %d\n", isp->isp_name, XS_TGT(xs), XS_LUN(xs));
2341 break;
2342
2343 case RQCS_PORT_UNAVAILABLE:
2344 /*
2345 * No such port on the loop. Moral equivalent of SELTIMEO
2346 */
2347 IDPRINTF(3, ("%s: Port Unavailable for target %d\n",
2348 isp->isp_name, XS_TGT(xs)));
2349 XS_SETERR(xs, HBA_SELTIMEOUT);
2350 return;
2351
2352 case RQCS_PORT_LOGGED_OUT:
2353 /*
2354 * It was there (maybe)- treat as a selection timeout.
2355 */
2356 PRINTF("%s: port logout for target %d\n",
2357 isp->isp_name, XS_TGT(xs));
2358 XS_SETERR(xs, HBA_SELTIMEOUT);
2359 return;
2360
2361 case RQCS_PORT_CHANGED:
2362 PRINTF("%s: port changed for target %d\n",
2363 isp->isp_name, XS_TGT(xs));
2364 break;
2365
2366 case RQCS_PORT_BUSY:
2367 PRINTF("%s: port busy for target %d\n",
2368 isp->isp_name, XS_TGT(xs));
2369 XS_SETERR(xs, HBA_TGTBSY);
2370 return;
2371
2372 default:
2373 PRINTF("%s: comp status %x\n", isp->isp_name,
2374 sp->req_completion_status);
2375 break;
2376 }
2377 XS_SETERR(xs, HBA_BOTCH);
2378 }
2379
2380 #define HINIB(x) ((x) >> 0x4)
2381 #define LONIB(x) ((x) & 0xf)
2382 #define MAKNIB(a, b) (((a) << 4) | (b))
2383 static u_int8_t mbpcnt[] = {
2384 MAKNIB(1, 1), /* 0x00: MBOX_NO_OP */
2385 MAKNIB(5, 5), /* 0x01: MBOX_LOAD_RAM */
2386 MAKNIB(2, 0), /* 0x02: MBOX_EXEC_FIRMWARE */
2387 MAKNIB(5, 5), /* 0x03: MBOX_DUMP_RAM */
2388 MAKNIB(3, 3), /* 0x04: MBOX_WRITE_RAM_WORD */
2389 MAKNIB(2, 3), /* 0x05: MBOX_READ_RAM_WORD */
2390 MAKNIB(6, 6), /* 0x06: MBOX_MAILBOX_REG_TEST */
2391 MAKNIB(2, 3), /* 0x07: MBOX_VERIFY_CHECKSUM */
2392 MAKNIB(1, 3), /* 0x08: MBOX_ABOUT_FIRMWARE */
2393 MAKNIB(0, 0), /* 0x09: */
2394 MAKNIB(0, 0), /* 0x0a: */
2395 MAKNIB(0, 0), /* 0x0b: */
2396 MAKNIB(0, 0), /* 0x0c: */
2397 MAKNIB(0, 0), /* 0x0d: */
2398 MAKNIB(1, 2), /* 0x0e: MBOX_CHECK_FIRMWARE */
2399 MAKNIB(0, 0), /* 0x0f: */
2400 MAKNIB(5, 5), /* 0x10: MBOX_INIT_REQ_QUEUE */
2401 MAKNIB(6, 6), /* 0x11: MBOX_INIT_RES_QUEUE */
2402 MAKNIB(4, 4), /* 0x12: MBOX_EXECUTE_IOCB */
2403 MAKNIB(2, 2), /* 0x13: MBOX_WAKE_UP */
2404 MAKNIB(1, 6), /* 0x14: MBOX_STOP_FIRMWARE */
2405 MAKNIB(4, 4), /* 0x15: MBOX_ABORT */
2406 MAKNIB(2, 2), /* 0x16: MBOX_ABORT_DEVICE */
2407 MAKNIB(3, 3), /* 0x17: MBOX_ABORT_TARGET */
2408 MAKNIB(2, 2), /* 0x18: MBOX_BUS_RESET */
2409 MAKNIB(2, 3), /* 0x19: MBOX_STOP_QUEUE */
2410 MAKNIB(2, 3), /* 0x1a: MBOX_START_QUEUE */
2411 MAKNIB(2, 3), /* 0x1b: MBOX_SINGLE_STEP_QUEUE */
2412 MAKNIB(2, 3), /* 0x1c: MBOX_ABORT_QUEUE */
2413 MAKNIB(2, 4), /* 0x1d: MBOX_GET_DEV_QUEUE_STATUS */
2414 MAKNIB(0, 0), /* 0x1e: */
2415 MAKNIB(1, 3), /* 0x1f: MBOX_GET_FIRMWARE_STATUS */
2416 MAKNIB(1, 3), /* 0x20: MBOX_GET_INIT_SCSI_ID, MBOX_GET_LOOP_ID */
2417 MAKNIB(1, 2), /* 0x21: MBOX_GET_SELECT_TIMEOUT */
2418 MAKNIB(1, 3), /* 0x22: MBOX_GET_RETRY_COUNT */
2419 MAKNIB(1, 2), /* 0x23: MBOX_GET_TAG_AGE_LIMIT */
2420 MAKNIB(1, 2), /* 0x24: MBOX_GET_CLOCK_RATE */
2421 MAKNIB(1, 2), /* 0x25: MBOX_GET_ACT_NEG_STATE */
2422 MAKNIB(1, 2), /* 0x26: MBOX_GET_ASYNC_DATA_SETUP_TIME */
2423 MAKNIB(1, 3), /* 0x27: MBOX_GET_PCI_PARAMS */
2424 MAKNIB(2, 4), /* 0x28: MBOX_GET_TARGET_PARAMS */
2425 MAKNIB(2, 4), /* 0x29: MBOX_GET_DEV_QUEUE_PARAMS */
2426 MAKNIB(0, 0), /* 0x2a: */
2427 MAKNIB(0, 0), /* 0x2b: */
2428 MAKNIB(0, 0), /* 0x2c: */
2429 MAKNIB(0, 0), /* 0x2d: */
2430 MAKNIB(0, 0), /* 0x2e: */
2431 MAKNIB(0, 0), /* 0x2f: */
2432 MAKNIB(2, 2), /* 0x30: MBOX_SET_INIT_SCSI_ID */
2433 MAKNIB(2, 2), /* 0x31: MBOX_SET_SELECT_TIMEOUT */
2434 MAKNIB(3, 3), /* 0x32: MBOX_SET_RETRY_COUNT */
2435 MAKNIB(2, 2), /* 0x33: MBOX_SET_TAG_AGE_LIMIT */
2436 MAKNIB(2, 2), /* 0x34: MBOX_SET_CLOCK_RATE */
2437 MAKNIB(2, 2), /* 0x35: MBOX_SET_ACTIVE_NEG_STATE */
2438 MAKNIB(2, 2), /* 0x36: MBOX_SET_ASYNC_DATA_SETUP_TIME */
2439 MAKNIB(3, 3), /* 0x37: MBOX_SET_PCI_CONTROL_PARAMS */
2440 MAKNIB(4, 4), /* 0x38: MBOX_SET_TARGET_PARAMS */
2441 MAKNIB(4, 4), /* 0x39: MBOX_SET_DEV_QUEUE_PARAMS */
2442 MAKNIB(0, 0), /* 0x3a: */
2443 MAKNIB(0, 0), /* 0x3b: */
2444 MAKNIB(0, 0), /* 0x3c: */
2445 MAKNIB(0, 0), /* 0x3d: */
2446 MAKNIB(0, 0), /* 0x3e: */
2447 MAKNIB(0, 0), /* 0x3f: */
2448 MAKNIB(1, 2), /* 0x40: MBOX_RETURN_BIOS_BLOCK_ADDR */
2449 MAKNIB(6, 1), /* 0x41: MBOX_WRITE_FOUR_RAM_WORDS */
2450 MAKNIB(2, 3), /* 0x42: MBOX_EXEC_BIOS_IOCB */
2451 MAKNIB(0, 0), /* 0x43: */
2452 MAKNIB(0, 0), /* 0x44: */
2453 MAKNIB(0, 0), /* 0x45: */
2454 MAKNIB(0, 0), /* 0x46: */
2455 MAKNIB(0, 0), /* 0x47: */
2456 MAKNIB(0, 0), /* 0x48: */
2457 MAKNIB(0, 0), /* 0x49: */
2458 MAKNIB(0, 0), /* 0x4a: */
2459 MAKNIB(0, 0), /* 0x4b: */
2460 MAKNIB(0, 0), /* 0x4c: */
2461 MAKNIB(0, 0), /* 0x4d: */
2462 MAKNIB(0, 0), /* 0x4e: */
2463 MAKNIB(0, 0), /* 0x4f: */
2464 MAKNIB(0, 0), /* 0x50: */
2465 MAKNIB(0, 0), /* 0x51: */
2466 MAKNIB(0, 0), /* 0x52: */
2467 MAKNIB(0, 0), /* 0x53: */
2468 MAKNIB(8, 0), /* 0x54: MBOX_EXEC_COMMAND_IOCB_A64 */
2469 MAKNIB(0, 0), /* 0x55: */
2470 MAKNIB(0, 0), /* 0x56: */
2471 MAKNIB(0, 0), /* 0x57: */
2472 MAKNIB(0, 0), /* 0x58: */
2473 MAKNIB(0, 0), /* 0x59: */
2474 MAKNIB(0, 0), /* 0x5a: */
2475 MAKNIB(0, 0), /* 0x5b: */
2476 MAKNIB(0, 0), /* 0x5c: */
2477 MAKNIB(0, 0), /* 0x5d: */
2478 MAKNIB(0, 0), /* 0x5e: */
2479 MAKNIB(0, 0), /* 0x5f: */
2480 MAKNIB(8, 6), /* 0x60: MBOX_INIT_FIRMWARE */
2481 MAKNIB(0, 0), /* 0x60: MBOX_GET_INIT_CONTROL_BLOCK (FORMAT?) */
2482 MAKNIB(2, 1), /* 0x62: MBOX_INIT_LIP */
2483 MAKNIB(8, 1), /* 0x63: MBOX_GET_FC_AL_POSITION_MAP */
2484 MAKNIB(8, 1), /* 0x64: MBOX_GET_PORT_DB */
2485 MAKNIB(3, 1), /* 0x65: MBOX_CLEAR_ACA */
2486 MAKNIB(3, 1), /* 0x66: MBOX_TARGET_RESET */
2487 MAKNIB(3, 1), /* 0x67: MBOX_CLEAR_TASK_SET */
2488 MAKNIB(3, 1), /* 0x69: MBOX_ABORT_TASK_SET */
2489 MAKNIB(1, 2) /* 0x69: MBOX_GET_FW_STATE */
2490 };
2491 #define NMBCOM (sizeof (mbpcnt) / sizeof (mbpcnt[0]))
2492
2493 static void
2494 isp_mboxcmd(isp, mbp)
2495 struct ispsoftc *isp;
2496 mbreg_t *mbp;
2497 {
2498 int outparam, inparam;
2499 int loops, dld = 0;
2500 u_int8_t opcode;
2501
2502 if (mbp->param[0] == ISP2100_SET_PCI_PARAM) {
2503 opcode = mbp->param[0] = MBOX_SET_PCI_PARAMETERS;
2504 inparam = 4;
2505 outparam = 4;
2506 goto command_known;
2507 } else if (mbp->param[0] > NMBCOM) {
2508 PRINTF("%s: bad command %x\n", isp->isp_name, mbp->param[0]);
2509 return;
2510 }
2511
2512 opcode = mbp->param[0];
2513 inparam = HINIB(mbpcnt[mbp->param[0]]);
2514 outparam = LONIB(mbpcnt[mbp->param[0]]);
2515
2516 if (inparam == 0 && outparam == 0) {
2517 PRINTF("%s: no parameters for %x\n", isp->isp_name,
2518 mbp->param[0]);
2519 return;
2520 }
2521
2522
2523 /*
2524 * Check for variants
2525 */
2526 #ifdef SCCLUN
2527 if (isp->isp_type & ISP_HA_FC) {
2528 switch (mbp->param[0]) {
2529 case MBOX_ABORT:
2530 inparam = 7;
2531 break;
2532 case MBOX_ABORT_DEVICE:
2533 case MBOX_START_QUEUE:
2534 case MBOX_STOP_QUEUE:
2535 case MBOX_SINGLE_STEP_QUEUE:
2536 case MBOX_ABORT_QUEUE:
2537 case MBOX_GET_DEV_QUEUE_STATUS:
2538 inparam = 3;
2539 break;
2540 default:
2541 break;
2542 }
2543 }
2544 #endif
2545
2546 command_known:
2547
2548 /*
2549 * Make sure we can send some words..
2550 */
2551
2552 loops = MBOX_DELAY_COUNT;
2553 while ((ISP_READ(isp, HCCR) & HCCR_HOST_INT) != 0) {
2554 SYS_DELAY(100);
2555 if (--loops < 0) {
2556 PRINTF("%s: isp_mboxcmd timeout #1\n", isp->isp_name);
2557 if (dld++) {
2558 return;
2559 }
2560 PRINTF("%s: but we'll try again, isr=%x\n",
2561 isp->isp_name, ISP_READ(isp, BIU_ISR));
2562 if (ISP_READ(isp, BIU_SEMA) & 1) {
2563 u_int16_t mbox = ISP_READ(isp, OUTMAILBOX0);
2564 if (isp_parse_async(isp, (int) mbox))
2565 return;
2566 ISP_WRITE(isp, BIU_SEMA, 0);
2567 }
2568 ISP_WRITE(isp, HCCR, HCCR_CMD_CLEAR_RISC_INT);
2569 goto command_known;
2570 }
2571 }
2572
2573 /*
2574 * Write input parameters
2575 */
2576 switch (inparam) {
2577 case 8: ISP_WRITE(isp, INMAILBOX7, mbp->param[7]); mbp->param[7] = 0;
2578 case 7: ISP_WRITE(isp, INMAILBOX6, mbp->param[6]); mbp->param[6] = 0;
2579 case 6: ISP_WRITE(isp, INMAILBOX5, mbp->param[5]); mbp->param[5] = 0;
2580 case 5: ISP_WRITE(isp, INMAILBOX4, mbp->param[4]); mbp->param[4] = 0;
2581 case 4: ISP_WRITE(isp, INMAILBOX3, mbp->param[3]); mbp->param[3] = 0;
2582 case 3: ISP_WRITE(isp, INMAILBOX2, mbp->param[2]); mbp->param[2] = 0;
2583 case 2: ISP_WRITE(isp, INMAILBOX1, mbp->param[1]); mbp->param[1] = 0;
2584 case 1: ISP_WRITE(isp, INMAILBOX0, mbp->param[0]); mbp->param[0] = 0;
2585 }
2586
2587 /*
2588 * Clear semaphore on mailbox registers
2589 */
2590 ISP_WRITE(isp, BIU_SEMA, 0);
2591
2592 /*
2593 * Clear RISC int condition.
2594 */
2595 ISP_WRITE(isp, HCCR, HCCR_CMD_CLEAR_RISC_INT);
2596
2597 /*
2598 * Set Host Interrupt condition so that RISC will pick up mailbox regs.
2599 */
2600 ISP_WRITE(isp, HCCR, HCCR_CMD_SET_HOST_INT);
2601
2602 /*
2603 * Wait until RISC int is set, except 2100
2604 */
2605 if ((isp->isp_type & ISP_HA_FC) == 0) {
2606 loops = MBOX_DELAY_COUNT;
2607 while ((ISP_READ(isp, BIU_ISR) & BIU_ISR_RISC_INT) == 0) {
2608 SYS_DELAY(100);
2609 if (--loops < 0) {
2610 PRINTF("%s: isp_mboxcmd timeout #2\n",
2611 isp->isp_name);
2612 return;
2613 }
2614 }
2615 }
2616
2617 /*
2618 * Check to make sure that the semaphore has been set.
2619 */
2620 loops = MBOX_DELAY_COUNT;
2621 while ((ISP_READ(isp, BIU_SEMA) & 1) == 0) {
2622 SYS_DELAY(100);
2623 if (--loops < 0) {
2624 PRINTF("%s: isp_mboxcmd timeout #3\n", isp->isp_name);
2625 return;
2626 }
2627 }
2628
2629 /*
2630 * Make sure that the MBOX_BUSY has gone away
2631 */
2632 loops = MBOX_DELAY_COUNT;
2633 while (ISP_READ(isp, OUTMAILBOX0) == MBOX_BUSY) {
2634 SYS_DELAY(100);
2635 if (--loops < 0) {
2636 PRINTF("%s: isp_mboxcmd timeout #4\n", isp->isp_name);
2637 return;
2638 }
2639 }
2640
2641
2642 /*
2643 * Pick up output parameters.
2644 */
2645 switch (outparam) {
2646 case 8: mbp->param[7] = ISP_READ(isp, OUTMAILBOX7);
2647 case 7: mbp->param[6] = ISP_READ(isp, OUTMAILBOX6);
2648 case 6: mbp->param[5] = ISP_READ(isp, OUTMAILBOX5);
2649 case 5: mbp->param[4] = ISP_READ(isp, OUTMAILBOX4);
2650 case 4: mbp->param[3] = ISP_READ(isp, OUTMAILBOX3);
2651 case 3: mbp->param[2] = ISP_READ(isp, OUTMAILBOX2);
2652 case 2: mbp->param[1] = ISP_READ(isp, OUTMAILBOX1);
2653 case 1: mbp->param[0] = ISP_READ(isp, OUTMAILBOX0);
2654 }
2655
2656 /*
2657 * Clear RISC int.
2658 */
2659 ISP_WRITE(isp, HCCR, HCCR_CMD_CLEAR_RISC_INT);
2660
2661 /*
2662 * Release semaphore on mailbox registers
2663 */
2664 ISP_WRITE(isp, BIU_SEMA, 0);
2665
2666 /*
2667 * Just to be chatty here...
2668 */
2669 switch(mbp->param[0]) {
2670 case MBOX_COMMAND_COMPLETE:
2671 break;
2672 case MBOX_INVALID_COMMAND:
2673 IDPRINTF(2, ("%s: mbox cmd %x failed with INVALID_COMMAND\n",
2674 isp->isp_name, opcode));
2675 break;
2676 case MBOX_HOST_INTERFACE_ERROR:
2677 PRINTF("%s: mbox cmd %x failed with HOST_INTERFACE_ERROR\n",
2678 isp->isp_name, opcode);
2679 break;
2680 case MBOX_TEST_FAILED:
2681 PRINTF("%s: mbox cmd %x failed with TEST_FAILED\n",
2682 isp->isp_name, opcode);
2683 break;
2684 case MBOX_COMMAND_ERROR:
2685 PRINTF("%s: mbox cmd %x failed with COMMAND_ERROR\n",
2686 isp->isp_name, opcode);
2687 break;
2688 case MBOX_COMMAND_PARAM_ERROR:
2689 PRINTF("%s: mbox cmd %x failed with COMMAND_PARAM_ERROR\n",
2690 isp->isp_name, opcode);
2691 break;
2692
2693 /*
2694 * Be silent about these...
2695 */
2696
2697 case ASYNC_LOOP_UP:
2698 case ASYNC_LIP_OCCURRED:
2699 case ASYNC_PDB_CHANGED:
2700 break;
2701
2702 default:
2703 /*
2704 * The expected return of EXEC_FIRMWARE is zero.
2705 */
2706 if ((opcode == MBOX_EXEC_FIRMWARE && mbp->param[0] != 0) ||
2707 (opcode != MBOX_EXEC_FIRMWARE)) {
2708 PRINTF("%s: mbox cmd %x failed with error %x\n",
2709 isp->isp_name, opcode, mbp->param[0]);
2710 }
2711 break;
2712 }
2713 }
2714
2715 void
2716 isp_lostcmd(isp, xs)
2717 struct ispsoftc *isp;
2718 ISP_SCSI_XFER_T *xs;
2719 {
2720 mbreg_t mbs;
2721
2722 mbs.param[0] = MBOX_GET_FIRMWARE_STATUS;
2723 isp_mboxcmd(isp, &mbs);
2724 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
2725 isp_dumpregs(isp, "couldn't GET FIRMWARE STATUS");
2726 return;
2727 }
2728 if (mbs.param[1]) {
2729 PRINTF("%s: %d commands on completion queue\n",
2730 isp->isp_name, mbs.param[1]);
2731 }
2732 if (XS_NULL(xs))
2733 return;
2734
2735 mbs.param[0] = MBOX_GET_DEV_QUEUE_STATUS;
2736 mbs.param[1] = (XS_TGT(xs) << 8) | XS_LUN(xs);
2737 isp_mboxcmd(isp, &mbs);
2738 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
2739 isp_dumpregs(isp, "couldn't GET DEVICE QUEUE STATUS");
2740 return;
2741 }
2742 PRINTF("%s: lost command for target %d lun %d, %d active of %d, "
2743 "Queue State: %x\n", isp->isp_name, XS_TGT(xs),
2744 XS_LUN(xs), mbs.param[2], mbs.param[3], mbs.param[1]);
2745
2746 isp_dumpregs(isp, "lost command");
2747 /*
2748 * XXX: Need to try and do something to recover.
2749 */
2750 }
2751
2752 static void
2753 isp_dumpregs(isp, msg)
2754 struct ispsoftc *isp;
2755 const char *msg;
2756 {
2757 PRINTF("%s: %s\n", isp->isp_name, msg);
2758 if (isp->isp_type & ISP_HA_SCSI)
2759 PRINTF(" biu_conf1=%x", ISP_READ(isp, BIU_CONF1));
2760 else
2761 PRINTF(" biu_csr=%x", ISP_READ(isp, BIU2100_CSR));
2762 PRINTF(" biu_icr=%x biu_isr=%x biu_sema=%x ", ISP_READ(isp, BIU_ICR),
2763 ISP_READ(isp, BIU_ISR), ISP_READ(isp, BIU_SEMA));
2764 PRINTF("risc_hccr=%x\n", ISP_READ(isp, HCCR));
2765
2766 if (isp->isp_type & ISP_HA_SCSI) {
2767 ISP_WRITE(isp, HCCR, HCCR_CMD_PAUSE);
2768 PRINTF(" cdma_conf=%x cdma_sts=%x cdma_fifostat=%x\n",
2769 ISP_READ(isp, CDMA_CONF), ISP_READ(isp, CDMA_STATUS),
2770 ISP_READ(isp, CDMA_FIFO_STS));
2771 PRINTF(" ddma_conf=%x ddma_sts=%x ddma_fifostat=%x\n",
2772 ISP_READ(isp, DDMA_CONF), ISP_READ(isp, DDMA_STATUS),
2773 ISP_READ(isp, DDMA_FIFO_STS));
2774 PRINTF(" sxp_int=%x sxp_gross=%x sxp(scsi_ctrl)=%x\n",
2775 ISP_READ(isp, SXP_INTERRUPT),
2776 ISP_READ(isp, SXP_GROSS_ERR),
2777 ISP_READ(isp, SXP_PINS_CONTROL));
2778 ISP_WRITE(isp, HCCR, HCCR_CMD_RELEASE);
2779 }
2780 ISP_DUMPREGS(isp);
2781 }
2782
2783 static void
2784 isp_dumpxflist(isp)
2785 struct ispsoftc *isp;
2786 {
2787 volatile ISP_SCSI_XFER_T *xs;
2788 int i, hdp;
2789
2790 for (hdp = i = 0; i < RQUEST_QUEUE_LEN; i++) {
2791 xs = isp->isp_xflist[i];
2792 if (xs == NULL) {
2793 continue;
2794 }
2795 if (hdp == 0) {
2796 PRINTF("%s: active requests\n", isp->isp_name);
2797 hdp++;
2798 }
2799 PRINTF(" Active Handle %d: tgt %d lun %d dlen %d\n",
2800 i+1, XS_TGT(xs), XS_LUN(xs), XS_XFRLEN(xs));
2801 }
2802 }
2803
2804 static void
2805 isp_fw_state(isp)
2806 struct ispsoftc *isp;
2807 {
2808 mbreg_t mbs;
2809 if (isp->isp_type & ISP_HA_FC) {
2810 int once = 0;
2811 fcparam *fcp = isp->isp_param;
2812 again:
2813 mbs.param[0] = MBOX_GET_FW_STATE;
2814 isp_mboxcmd(isp, &mbs);
2815 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
2816 if (mbs.param[0] == ASYNC_LIP_OCCURRED ||
2817 mbs.param[0] == ASYNC_PDB_CHANGED ||
2818 mbs.param[0] == ASYNC_LOOP_UP) {
2819 if (once++ < 2) {
2820 goto again;
2821 }
2822 }
2823 isp_dumpregs(isp, "GET FIRMWARE STATE failed");
2824 return;
2825 }
2826 fcp->isp_fwstate = mbs.param[1];
2827 }
2828 }
2829
2830 static void
2831 isp_update(isp)
2832 struct ispsoftc *isp;
2833 {
2834 int tgt;
2835 mbreg_t mbs;
2836 sdparam *sdp;
2837
2838 isp->isp_update = 0;
2839
2840 if (isp->isp_type & ISP_HA_FC) {
2841 return;
2842 }
2843
2844 sdp = isp->isp_param;
2845 for (tgt = 0; tgt < MAX_TARGETS; tgt++) {
2846 if (sdp->isp_devparam[tgt].dev_enable == 0) {
2847 continue;
2848 }
2849 if (sdp->isp_devparam[tgt].dev_update == 0) {
2850 continue;
2851 }
2852
2853 mbs.param[0] = MBOX_SET_TARGET_PARAMS;
2854 mbs.param[1] = tgt << 8;
2855 mbs.param[2] = sdp->isp_devparam[tgt].dev_flags;
2856 mbs.param[3] =
2857 (sdp->isp_devparam[tgt].sync_offset << 8) |
2858 (sdp->isp_devparam[tgt].sync_period);
2859
2860 IDPRINTF(3, ("\n%s: tgt %d cflags %x offset %x period %x\n",
2861 isp->isp_name, tgt, mbs.param[2], mbs.param[3] >> 8,
2862 mbs.param[3] & 0xff));
2863
2864 isp_mboxcmd(isp, &mbs);
2865 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
2866 PRINTF("%s: failed to change SCSI parameters for "
2867 "target %d\n", isp->isp_name, tgt);
2868 } else {
2869 char *wt;
2870 int x, flags;
2871
2872 flags = sdp->isp_devparam[tgt].cur_dflags =
2873 sdp->isp_devparam[tgt].dev_flags;
2874
2875 x = sdp->isp_devparam[tgt].sync_period & 0xff;
2876 if (flags & DPARM_SYNC) {
2877 if (x == (ISP_20M_SYNCPARMS & 0xff)) {
2878 x = 20;
2879 } else if (x == (ISP_10M_SYNCPARMS & 0xff)) {
2880 x = 10;
2881 } else if (x == (ISP_08M_SYNCPARMS & 0xff)) {
2882 x = 8;
2883 } else if (x == (ISP_05M_SYNCPARMS & 0xff)) {
2884 x = 5;
2885 } else if (x == (ISP_04M_SYNCPARMS & 0xff)) {
2886 x = 4;
2887 } else {
2888 x = 0;
2889 }
2890 } else {
2891 x = 0;
2892 }
2893 switch (flags & (DPARM_WIDE|DPARM_TQING)) {
2894 case DPARM_WIDE:
2895 wt = ", 16 bit wide\n";
2896 break;
2897 case DPARM_TQING:
2898 wt = ", Tagged Queueing Enabled\n";
2899 break;
2900 case DPARM_WIDE|DPARM_TQING:
2901 wt = ", 16 bit wide, Tagged Queueing Enabled\n";
2902 break;
2903
2904 default:
2905 wt = "\n";
2906 break;
2907 }
2908 if (x) {
2909 IDPRINTF(3, ("%s: Target %d maximum Sync Mode "
2910 "at %dMHz%s", isp->isp_name, tgt, x, wt));
2911 } else {
2912 IDPRINTF(3, ("%s: Target %d Async Mode%s",
2913 isp->isp_name, tgt, wt));
2914 }
2915 }
2916 sdp->isp_devparam[tgt].dev_update = 0;
2917 }
2918 }
2919
2920 static void
2921 isp_setdfltparm(isp)
2922 struct ispsoftc *isp;
2923 {
2924 int i, use_nvram;
2925 mbreg_t mbs;
2926 sdparam *sdp;
2927
2928 /*
2929 * Been there, done that, got the T-shirt...
2930 */
2931 if (isp->isp_gotdparms) {
2932 IDPRINTF(3, ("%s: already have dparms\n", isp->isp_name));
2933 return;
2934 }
2935 isp->isp_gotdparms = 1;
2936
2937 use_nvram = (isp_read_nvram(isp) == 0);
2938 if (use_nvram) {
2939 return;
2940 }
2941 if (isp->isp_type & ISP_HA_FC) {
2942 fcparam *fcp = (fcparam *) isp->isp_param;
2943 fcp->isp_maxfrmlen = ICB_DFLT_FRMLEN;
2944 fcp->isp_maxalloc = 256;
2945 fcp->isp_execthrottle = 16;
2946 fcp->isp_retry_delay = 5;
2947 fcp->isp_retry_count = 0;
2948 /*
2949 * It would be nice to fake up a WWN in case we don't
2950 * get one out of NVRAM. Solaris does this for SOCAL
2951 * cards that don't have SBus properties- it sets up
2952 * a WWN based upon the system MAC Address.
2953 */
2954 fcp->isp_wwn = 0;
2955 return;
2956 }
2957
2958 sdp = (sdparam *) isp->isp_param;
2959 mbs.param[0] = MBOX_GET_ACT_NEG_STATE;
2960 isp_mboxcmd(isp, &mbs);
2961 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
2962 IDPRINTF(2, ("could not GET ACT NEG STATE\n"));
2963 sdp->isp_req_ack_active_neg = 1;
2964 sdp->isp_data_line_active_neg = 1;
2965 } else {
2966 sdp->isp_req_ack_active_neg = (mbs.param[1] >> 4) & 0x1;
2967 sdp->isp_data_line_active_neg = (mbs.param[1] >> 5) & 0x1;
2968 }
2969 for (i = 0; i < MAX_TARGETS; i++) {
2970
2971 mbs.param[0] = MBOX_GET_TARGET_PARAMS;
2972 mbs.param[1] = i << 8;
2973 isp_mboxcmd(isp, &mbs);
2974 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
2975 PRINTF("%s: can't get SCSI parameters for target %d\n",
2976 isp->isp_name, i);
2977 sdp->isp_devparam[i].sync_period = 0;
2978 sdp->isp_devparam[i].sync_offset = 0;
2979 sdp->isp_devparam[i].dev_flags = DPARM_SAFE_DFLT;
2980 continue;
2981 }
2982 sdp->isp_devparam[i].dev_flags = mbs.param[2];
2983
2984 /*
2985 * The maximum period we can really see
2986 * here is 100 (decimal), or 400 ns.
2987 * For some unknown reason we sometimes
2988 * get back wildass numbers from the
2989 * boot device's parameters.
2990 *
2991 * XXX: Hmm- this may be based on a different
2992 * XXX: clock rate.
2993 */
2994 if ((mbs.param[3] & 0xff) <= 0x64) {
2995 sdp->isp_devparam[i].sync_period = mbs.param[3] & 0xff;
2996 sdp->isp_devparam[i].sync_offset = mbs.param[3] >> 8;
2997 }
2998
2999 /*
3000 * It is not safe to run Ultra Mode with a clock < 60.
3001 */
3002 if (((sdp->isp_clock && sdp->isp_clock < 60) ||
3003 (isp->isp_type < ISP_HA_SCSI_1020A)) &&
3004 (sdp->isp_devparam[i].sync_period ==
3005 (ISP_20M_SYNCPARMS & 0xff))) {
3006 sdp->isp_devparam[i].sync_offset =
3007 ISP_10M_SYNCPARMS >> 8;
3008 sdp->isp_devparam[i].sync_period =
3009 ISP_10M_SYNCPARMS & 0xff;
3010 }
3011
3012 }
3013
3014 /*
3015 * Set Default Host Adapter Parameters
3016 */
3017 sdp->isp_cmd_dma_burst_enable = 1;
3018 sdp->isp_data_dma_burst_enabl = 1;
3019 sdp->isp_fifo_threshold = 0;
3020 sdp->isp_initiator_id = 7;
3021 if (isp->isp_type >= ISP_HA_SCSI_1040) {
3022 sdp->isp_async_data_setup = 9;
3023 } else {
3024 sdp->isp_async_data_setup = 6;
3025 }
3026 sdp->isp_selection_timeout = 250;
3027 sdp->isp_max_queue_depth = 128;
3028 sdp->isp_tag_aging = 8;
3029 sdp->isp_bus_reset_delay = 3;
3030 sdp->isp_retry_count = 0;
3031 sdp->isp_retry_delay = 1;
3032
3033 for (i = 0; i < MAX_TARGETS; i++) {
3034 sdp->isp_devparam[i].exc_throttle = 16;
3035 sdp->isp_devparam[i].dev_enable = 1;
3036 }
3037 }
3038
3039 /*
3040 * Re-initialize the ISP and complete all orphaned commands
3041 * with a 'botched' notice.
3042 *
3043 * Locks held prior to coming here.
3044 */
3045
3046 void
3047 isp_restart(isp)
3048 struct ispsoftc *isp;
3049 {
3050 ISP_SCSI_XFER_T *tlist[RQUEST_QUEUE_LEN], *xs;
3051 int i;
3052
3053 for (i = 0; i < RQUEST_QUEUE_LEN; i++) {
3054 tlist[i] = (ISP_SCSI_XFER_T *) isp->isp_xflist[i];
3055 isp->isp_xflist[i] = NULL;
3056 }
3057 isp_reset(isp);
3058 if (isp->isp_state == ISP_RESETSTATE) {
3059 isp_init(isp);
3060 if (isp->isp_state == ISP_INITSTATE) {
3061 isp->isp_state = ISP_RUNSTATE;
3062 }
3063 }
3064 if (isp->isp_state != ISP_RUNSTATE) {
3065 PRINTF("%s: isp_restart cannot restart ISP\n", isp->isp_name);
3066 }
3067
3068 for (i = 0; i < RQUEST_QUEUE_LEN; i++) {
3069 xs = tlist[i];
3070 if (XS_NULL(xs)) {
3071 continue;
3072 }
3073 if (isp->isp_nactive > 0)
3074 isp->isp_nactive--;
3075 XS_RESID(xs) = XS_XFRLEN(xs);
3076 XS_SETERR(xs, HBA_BUSRESET);
3077 XS_CMD_DONE(xs);
3078 }
3079 }
3080
3081 /*
3082 * Miscellaneous debug statements.
3083 */
3084 static void
3085 isp_prtstst(sp)
3086 ispstatusreq_t *sp;
3087 {
3088 PRINTF("states->");
3089 if (sp->req_state_flags & RQSF_GOT_BUS)
3090 PRINTF("GOT_BUS ");
3091 if (sp->req_state_flags & RQSF_GOT_TARGET)
3092 PRINTF("GOT_TGT ");
3093 if (sp->req_state_flags & RQSF_SENT_CDB)
3094 PRINTF("SENT_CDB ");
3095 if (sp->req_state_flags & RQSF_XFRD_DATA)
3096 PRINTF("XFRD_DATA ");
3097 if (sp->req_state_flags & RQSF_GOT_STATUS)
3098 PRINTF("GOT_STS ");
3099 if (sp->req_state_flags & RQSF_GOT_SENSE)
3100 PRINTF("GOT_SNS ");
3101 if (sp->req_state_flags & RQSF_XFER_COMPLETE)
3102 PRINTF("XFR_CMPLT ");
3103 PRINTF("\n");
3104 PRINTF("status->");
3105 if (sp->req_status_flags & RQSTF_DISCONNECT)
3106 PRINTF("Disconnect ");
3107 if (sp->req_status_flags & RQSTF_SYNCHRONOUS)
3108 PRINTF("Sync_xfr ");
3109 if (sp->req_status_flags & RQSTF_PARITY_ERROR)
3110 PRINTF("Parity ");
3111 if (sp->req_status_flags & RQSTF_BUS_RESET)
3112 PRINTF("Bus_Reset ");
3113 if (sp->req_status_flags & RQSTF_DEVICE_RESET)
3114 PRINTF("Device_Reset ");
3115 if (sp->req_status_flags & RQSTF_ABORTED)
3116 PRINTF("Aborted ");
3117 if (sp->req_status_flags & RQSTF_TIMEOUT)
3118 PRINTF("Timeout ");
3119 if (sp->req_status_flags & RQSTF_NEGOTIATION)
3120 PRINTF("Negotiation ");
3121 PRINTF("\n");
3122 }
3123
3124 static char *
3125 isp2100_fw_statename(state)
3126 int state;
3127 {
3128 switch(state) {
3129 case FW_CONFIG_WAIT: return "Config Wait";
3130 case FW_WAIT_AL_PA: return "Waiting for AL/PA";
3131 case FW_WAIT_LOGIN: return "Wait Login";
3132 case FW_READY: return "Ready";
3133 case FW_LOSS_OF_SYNC: return "Loss Of Sync";
3134 case FW_ERROR: return "Error";
3135 case FW_REINIT: return "Re-Init";
3136 case FW_NON_PART: return "Nonparticipating";
3137 default: return "eh?";
3138 }
3139 }
3140
3141 /*
3142 * NVRAM Routines
3143 */
3144
3145 static int
3146 isp_read_nvram(isp)
3147 struct ispsoftc *isp;
3148 {
3149 int i, amt;
3150 u_int8_t csum, minversion;
3151 union {
3152 u_int8_t _x[ISP2100_NVRAM_SIZE];
3153 u_int16_t _s[ISP2100_NVRAM_SIZE>>1];
3154 } _n;
3155 #define nvram_data _n._x
3156 #define nvram_words _n._s
3157
3158 if (isp->isp_type & ISP_HA_FC) {
3159 amt = ISP2100_NVRAM_SIZE;
3160 minversion = 1;
3161 } else {
3162 amt = ISP_NVRAM_SIZE;
3163 minversion = 2;
3164 }
3165
3166 /*
3167 * Just read the first two words first to see if we have a valid
3168 * NVRAM to continue reading the rest with.
3169 */
3170 for (i = 0; i < 2; i++) {
3171 isp_rdnvram_word(isp, i, &nvram_words[i]);
3172 }
3173 if (nvram_data[0] != 'I' || nvram_data[1] != 'S' ||
3174 nvram_data[2] != 'P') {
3175 if (isp->isp_bustype != ISP_BT_SBUS) {
3176 PRINTF("%s: invalid NVRAM header\n", isp->isp_name);
3177 }
3178 return (-1);
3179 }
3180 for (i = 2; i < amt>>1; i++) {
3181 isp_rdnvram_word(isp, i, &nvram_words[i]);
3182 }
3183 for (csum = 0, i = 0; i < amt; i++) {
3184 csum += nvram_data[i];
3185 }
3186 if (csum != 0) {
3187 PRINTF("%s: invalid NVRAM checksum\n", isp->isp_name);
3188 return (-1);
3189 }
3190 if (ISP_NVRAM_VERSION(nvram_data) < minversion) {
3191 PRINTF("%s: version %d NVRAM not understood\n", isp->isp_name,
3192 ISP_NVRAM_VERSION(nvram_data));
3193 return (-1);
3194 }
3195
3196 if (isp->isp_type & ISP_HA_SCSI) {
3197 sdparam *sdp = (sdparam *) isp->isp_param;
3198
3199 /* XXX CHECK THIS FOR SANITY XXX */
3200 sdp->isp_fifo_threshold =
3201 ISP_NVRAM_FIFO_THRESHOLD(nvram_data);
3202
3203 sdp->isp_initiator_id =
3204 ISP_NVRAM_INITIATOR_ID(nvram_data);
3205
3206 sdp->isp_bus_reset_delay =
3207 ISP_NVRAM_BUS_RESET_DELAY(nvram_data);
3208
3209 sdp->isp_retry_count =
3210 ISP_NVRAM_BUS_RETRY_COUNT(nvram_data);
3211
3212 sdp->isp_retry_delay =
3213 ISP_NVRAM_BUS_RETRY_DELAY(nvram_data);
3214
3215 sdp->isp_async_data_setup =
3216 ISP_NVRAM_ASYNC_DATA_SETUP_TIME(nvram_data);
3217
3218 if (isp->isp_type >= ISP_HA_SCSI_1040) {
3219 if (sdp->isp_async_data_setup < 9) {
3220 sdp->isp_async_data_setup = 9;
3221 }
3222 } else {
3223 if (sdp->isp_async_data_setup != 6) {
3224 sdp->isp_async_data_setup = 6;
3225 }
3226 }
3227
3228 sdp->isp_req_ack_active_neg =
3229 ISP_NVRAM_REQ_ACK_ACTIVE_NEGATION(nvram_data);
3230
3231 sdp->isp_data_line_active_neg =
3232 ISP_NVRAM_DATA_LINE_ACTIVE_NEGATION(nvram_data);
3233
3234 sdp->isp_data_dma_burst_enabl =
3235 ISP_NVRAM_DATA_DMA_BURST_ENABLE(nvram_data);
3236
3237 sdp->isp_cmd_dma_burst_enable =
3238 ISP_NVRAM_CMD_DMA_BURST_ENABLE(nvram_data);
3239
3240 sdp->isp_tag_aging =
3241 ISP_NVRAM_TAG_AGE_LIMIT(nvram_data);
3242
3243 /* XXX ISP_NVRAM_FIFO_THRESHOLD_128 XXX */
3244
3245 sdp->isp_selection_timeout =
3246 ISP_NVRAM_SELECTION_TIMEOUT(nvram_data);
3247
3248 sdp->isp_max_queue_depth =
3249 ISP_NVRAM_MAX_QUEUE_DEPTH(nvram_data);
3250
3251 sdp->isp_fast_mttr = ISP_NVRAM_FAST_MTTR_ENABLE(nvram_data);
3252
3253 for (i = 0; i < 16; i++) {
3254 sdp->isp_devparam[i].dev_enable =
3255 ISP_NVRAM_TGT_DEVICE_ENABLE(nvram_data, i);
3256 sdp->isp_devparam[i].exc_throttle =
3257 ISP_NVRAM_TGT_EXEC_THROTTLE(nvram_data, i);
3258 sdp->isp_devparam[i].sync_offset =
3259 ISP_NVRAM_TGT_SYNC_OFFSET(nvram_data, i);
3260 sdp->isp_devparam[i].sync_period =
3261 ISP_NVRAM_TGT_SYNC_PERIOD(nvram_data, i);
3262
3263 if (isp->isp_type < ISP_HA_SCSI_1040) {
3264 /*
3265 * If we're not ultra, we can't possibly
3266 * be a shorter period than this.
3267 */
3268 if (sdp->isp_devparam[i].sync_period < 0x19) {
3269 sdp->isp_devparam[i].sync_period =
3270 0x19;
3271 }
3272 if (sdp->isp_devparam[i].sync_offset > 0xc) {
3273 sdp->isp_devparam[i].sync_offset =
3274 0x0c;
3275 }
3276 } else {
3277 if (sdp->isp_devparam[i].sync_offset > 0x8) {
3278 sdp->isp_devparam[i].sync_offset = 0x8;
3279 }
3280 }
3281
3282 sdp->isp_devparam[i].dev_flags = 0;
3283
3284 if (ISP_NVRAM_TGT_RENEG(nvram_data, i))
3285 sdp->isp_devparam[i].dev_flags |= DPARM_RENEG;
3286 if (ISP_NVRAM_TGT_QFRZ(nvram_data, i)) {
3287 PRINTF("%s: not supporting QFRZ option for "
3288 "target %d\n", isp->isp_name, i);
3289 }
3290 sdp->isp_devparam[i].dev_flags |= DPARM_ARQ;
3291 if (ISP_NVRAM_TGT_ARQ(nvram_data, i) == 0) {
3292 PRINTF("%s: not disabling ARQ option for "
3293 "target %d\n", isp->isp_name, i);
3294 }
3295 if (ISP_NVRAM_TGT_TQING(nvram_data, i))
3296 sdp->isp_devparam[i].dev_flags |= DPARM_TQING;
3297 if (ISP_NVRAM_TGT_SYNC(nvram_data, i))
3298 sdp->isp_devparam[i].dev_flags |= DPARM_SYNC;
3299 if (ISP_NVRAM_TGT_WIDE(nvram_data, i))
3300 sdp->isp_devparam[i].dev_flags |= DPARM_WIDE;
3301 if (ISP_NVRAM_TGT_PARITY(nvram_data, i))
3302 sdp->isp_devparam[i].dev_flags |= DPARM_PARITY;
3303 if (ISP_NVRAM_TGT_DISC(nvram_data, i))
3304 sdp->isp_devparam[i].dev_flags |= DPARM_DISC;
3305 }
3306 } else {
3307 fcparam *fcp = (fcparam *) isp->isp_param;
3308 union {
3309 struct {
3310 #if BYTE_ORDER == BIG_ENDIAN
3311 u_int32_t hi32;
3312 u_int32_t lo32;
3313 #else
3314 u_int32_t lo32;
3315 u_int32_t hi32;
3316 #endif
3317 } wds;
3318 u_int64_t full64;
3319 } wwnstore;
3320
3321 wwnstore.full64 = ISP2100_NVRAM_NODE_NAME(nvram_data);
3322 PRINTF("%s: Adapter WWN 0x%08x%08x\n", isp->isp_name,
3323 wwnstore.wds.hi32, wwnstore.wds.lo32);
3324 fcp->isp_wwn = wwnstore.full64;
3325 wwnstore.full64 = ISP2100_NVRAM_BOOT_NODE_NAME(nvram_data);
3326 if (wwnstore.full64 != 0) {
3327 PRINTF("%s: BOOT DEVICE WWN 0x%08x%08x\n",
3328 isp->isp_name, wwnstore.wds.hi32,
3329 wwnstore.wds.lo32);
3330 }
3331 fcp->isp_maxalloc =
3332 ISP2100_NVRAM_MAXIOCBALLOCATION(nvram_data);
3333 fcp->isp_maxfrmlen =
3334 ISP2100_NVRAM_MAXFRAMELENGTH(nvram_data);
3335 fcp->isp_retry_delay =
3336 ISP2100_NVRAM_RETRY_DELAY(nvram_data);
3337 fcp->isp_retry_count =
3338 ISP2100_NVRAM_RETRY_COUNT(nvram_data);
3339 fcp->isp_loopid =
3340 ISP2100_NVRAM_HARDLOOPID(nvram_data);
3341 fcp->isp_execthrottle =
3342 ISP2100_NVRAM_EXECUTION_THROTTLE(nvram_data);
3343 }
3344 return (0);
3345 }
3346
3347 static void
3348 isp_rdnvram_word(isp, wo, rp)
3349 struct ispsoftc *isp;
3350 int wo;
3351 u_int16_t *rp;
3352 {
3353 int i, cbits;
3354 u_int16_t bit, rqst;
3355
3356 ISP_WRITE(isp, BIU_NVRAM, BIU_NVRAM_SELECT);
3357 SYS_DELAY(2);
3358 ISP_WRITE(isp, BIU_NVRAM, BIU_NVRAM_SELECT|BIU_NVRAM_CLOCK);
3359 SYS_DELAY(2);
3360
3361 if (isp->isp_type & ISP_HA_FC) {
3362 wo &= ((ISP2100_NVRAM_SIZE >> 1) - 1);
3363 rqst = (ISP_NVRAM_READ << 8) | wo;
3364 cbits = 10;
3365 } else {
3366 wo &= ((ISP_NVRAM_SIZE >> 1) - 1);
3367 rqst = (ISP_NVRAM_READ << 6) | wo;
3368 cbits = 8;
3369 }
3370
3371 /*
3372 * Clock the word select request out...
3373 */
3374 for (i = cbits; i >= 0; i--) {
3375 if ((rqst >> i) & 1) {
3376 bit = BIU_NVRAM_SELECT | BIU_NVRAM_DATAOUT;
3377 } else {
3378 bit = BIU_NVRAM_SELECT;
3379 }
3380 ISP_WRITE(isp, BIU_NVRAM, bit);
3381 SYS_DELAY(2);
3382 ISP_WRITE(isp, BIU_NVRAM, bit | BIU_NVRAM_CLOCK);
3383 SYS_DELAY(2);
3384 ISP_WRITE(isp, BIU_NVRAM, bit);
3385 SYS_DELAY(2);
3386 }
3387 /*
3388 * Now read the result back in (bits come back in MSB format).
3389 */
3390 *rp = 0;
3391 for (i = 0; i < 16; i++) {
3392 u_int16_t rv;
3393 *rp <<= 1;
3394 ISP_WRITE(isp, BIU_NVRAM, BIU_NVRAM_SELECT|BIU_NVRAM_CLOCK);
3395 SYS_DELAY(2);
3396 rv = ISP_READ(isp, BIU_NVRAM);
3397 if (rv & BIU_NVRAM_DATAIN) {
3398 *rp |= 1;
3399 }
3400 SYS_DELAY(2);
3401 ISP_WRITE(isp, BIU_NVRAM, BIU_NVRAM_SELECT);
3402 SYS_DELAY(2);
3403 }
3404 ISP_WRITE(isp, BIU_NVRAM, 0);
3405 SYS_DELAY(2);
3406 #if BYTE_ORDER == BIG_ENDIAN
3407 *rp = ((*rp >> 8) | ((*rp & 0xff) << 8));
3408 #endif
3409 }
3410