isp.c revision 1.34 1 /* $NetBSD: isp.c,v 1.34 1999/03/26 22:39:44 mjacob Exp $ */
2 /* release_03_25_99 */
3 /*
4 * Machine and OS Independent (well, as best as possible)
5 * code for the Qlogic ISP SCSI adapters.
6 *
7 * Copyright (c) 1997, 1998 by Matthew Jacob
8 * NASA/Ames Research Center
9 * All rights reserved.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice immediately at the beginning of the file, without modification,
16 * this list of conditions, and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above copyright
18 * notice, this list of conditions and the following disclaimer in the
19 * documentation and/or other materials provided with the distribution.
20 * 3. The name of the author may not be used to endorse or promote products
21 * derived from this software without specific prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
27 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * SUCH DAMAGE.
34 */
35
36 /*
37 * Inspiration and ideas about this driver are from Erik Moe's Linux driver
38 * (qlogicisp.c) and Dave Miller's SBus version of same (qlogicisp.c). Some
39 * ideas dredged from the Solaris driver.
40 */
41
42 /*
43 * Include header file appropriate for platform we're building on.
44 */
45
46 #ifdef __NetBSD__
47 #include <dev/ic/isp_netbsd.h>
48 #endif
49 #ifdef __FreeBSD__
50 #include <dev/isp/isp_freebsd.h>
51 #endif
52 #ifdef __OpenBSD__
53 #include <dev/ic/isp_openbsd.h>
54 #endif
55 #ifdef __linux__
56 #include "isp_linux.h"
57 #endif
58
59 /*
60 * General defines
61 */
62
63 #define MBOX_DELAY_COUNT 1000000 / 100
64
65 /*
66 * Local static data
67 */
68 #ifdef ISP_TARGET_MODE
69 static const char tgtiqd[36] = {
70 0x03, 0x00, 0x02, 0x02, 0x00, 0x00, 0x00, 0x00,
71 0x51, 0x4C, 0x4F, 0x47, 0x49, 0x43, 0x20, 0x20,
72 #ifdef __NetBSD__
73 0x4E, 0x45, 0x54, 0x42, 0x53, 0x44, 0x20, 0x20,
74 #else
75 # ifdef __FreeBSD__
76 0x46, 0x52, 0x45, 0x45, 0x42, 0x52, 0x44, 0x20,
77 # else
78 # ifdef __OpenBSD__
79 0x4F, 0x50, 0x45, 0x4E, 0x42, 0x52, 0x44, 0x20,
80 # else
81 # ifdef linux
82 0x4C, 0x49, 0x4E, 0x55, 0x58, 0x20, 0x20, 0x20,
83 # else
84 # endif
85 # endif
86 # endif
87 #endif
88 0x54, 0x41, 0x52, 0x47, 0x45, 0x54, 0x20, 0x20,
89 0x20, 0x20, 0x20, 0x31
90 };
91 #endif
92
93
94 /*
95 * Local function prototypes.
96 */
97 static int isp_parse_async __P((struct ispsoftc *, int));
98 static int isp_handle_other_response
99 __P((struct ispsoftc *, ispstatusreq_t *, u_int8_t *));
100 #ifdef ISP_TARGET_MODE
101 static int isp_modify_lun __P((struct ispsoftc *, int, int, int));
102 static void isp_notify_ack __P((struct ispsoftc *, void *));
103 static void isp_handle_atio __P((struct ispsoftc *, void *));
104 static void isp_handle_atio2 __P((struct ispsoftc *, void *));
105 static void isp_handle_ctio __P((struct ispsoftc *, void *));
106 static void isp_handle_ctio2 __P((struct ispsoftc *, void *));
107 #endif
108 static void isp_parse_status
109 __P((struct ispsoftc *, ispstatusreq_t *, ISP_SCSI_XFER_T *));
110 static void isp_fastpost_complete __P((struct ispsoftc *, int));
111 static void isp_fibre_init __P((struct ispsoftc *));
112 static void isp_mark_getpdb_all __P((struct ispsoftc *));
113 static int isp_getpdb __P((struct ispsoftc *, int, isp_pdb_t *));
114 static int isp_fclink_test __P((struct ispsoftc *, int));
115 static void isp_fw_state __P((struct ispsoftc *));
116 static void isp_dumpregs __P((struct ispsoftc *, const char *));
117 static void isp_dumpxflist __P((struct ispsoftc *));
118 static void isp_mboxcmd __P((struct ispsoftc *, mbreg_t *));
119
120 static void isp_update __P((struct ispsoftc *));
121 static void isp_setdfltparm __P((struct ispsoftc *));
122 static int isp_read_nvram __P((struct ispsoftc *));
123 static void isp_rdnvram_word __P((struct ispsoftc *, int, u_int16_t *));
124
125 /*
126 * Reset Hardware.
127 *
128 * Hit the chip over the head, download new f/w and set it running.
129 *
130 * Locking done elsewhere.
131 */
132 void
133 isp_reset(isp)
134 struct ispsoftc *isp;
135 {
136 mbreg_t mbs;
137 int loops, i, dodnld = 1;
138 char *revname;
139
140 isp->isp_state = ISP_NILSTATE;
141
142 /*
143 * Basic types (SCSI, FibreChannel and PCI or SBus)
144 * have been set in the MD code. We figure out more
145 * here.
146 */
147 isp->isp_dblev = DFLT_DBLEVEL;
148
149 /*
150 * After we've fired this chip up, zero out the conf1 register
151 * for SCSI adapters and other settings for the 2100.
152 */
153
154 /*
155 * Get the current running firmware revision out of the
156 * chip before we hit it over the head (if this is our
157 * first time through). Note that we store this as the
158 * 'ROM' firmware revision- which it may not be. In any
159 * case, we don't really use this yet, but we may in
160 * the future.
161 */
162 if (isp->isp_used == 0) {
163 /*
164 * Just in case it was paused...
165 */
166 ISP_WRITE(isp, HCCR, HCCR_CMD_RELEASE);
167 mbs.param[0] = MBOX_ABOUT_FIRMWARE;
168 isp_mboxcmd(isp, &mbs);
169 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
170 /*
171 * If this fails, it probably means we're running
172 * an old prom, if anything at all...
173 */
174 isp->isp_romfw_rev = 0;
175 } else {
176 isp->isp_romfw_rev =
177 (((u_int16_t) mbs.param[1]) << 10) + mbs.param[2];
178 }
179 isp->isp_used = 1;
180 }
181
182 /*
183 * Put it into PAUSE mode.
184 */
185 ISP_WRITE(isp, HCCR, HCCR_CMD_PAUSE);
186
187 if (IS_FC(isp)) {
188 revname = "2100";
189 } else if (IS_1080(isp)) {
190 u_int16_t l;
191 sdparam *sdp = isp->isp_param;
192 revname = "1080";
193 sdp->isp_clock = 100;
194 l = ISP_READ(isp, SXP_PINS_DIFF) & ISP1080_MODE_MASK;
195 switch (l) {
196 case ISP1080_LVD_MODE:
197 sdp->isp_lvdmode = 1;
198 PRINTF("%s: LVD Mode\n", isp->isp_name);
199 break;
200 case ISP1080_HVD_MODE:
201 sdp->isp_diffmode = 1;
202 PRINTF("%s: Differential Mode\n", isp->isp_name);
203 break;
204 case ISP1080_SE_MODE:
205 sdp->isp_ultramode = 1;
206 PRINTF("%s: Single-Ended Mode\n", isp->isp_name);
207 break;
208 default:
209 /*
210 * Hmm. Up in a wierd mode. This means all SCSI I/O
211 * buffer lines are tristated, so we're in a lot of
212 * trouble if we don't set things up right.
213 */
214 PRINTF("%s: Illegal Mode 0x%x\n", isp->isp_name, l);
215 break;
216 }
217 } else {
218 sdparam *sdp = isp->isp_param;
219 i = ISP_READ(isp, BIU_CONF0) & BIU_CONF0_HW_MASK;
220 switch (i) {
221 default:
222 PRINTF("%s: unknown chip rev. 0x%x- assuming a 1020\n",
223 isp->isp_name, i);
224 /* FALLTHROUGH */
225 case 1:
226 revname = "1020";
227 isp->isp_type = ISP_HA_SCSI_1020;
228 sdp->isp_clock = 40;
229 break;
230 case 2:
231 /*
232 * Some 1020A chips are Ultra Capable, but don't
233 * run the clock rate up for that unless told to
234 * do so by the Ultra Capable bits being set.
235 */
236 revname = "1020A";
237 isp->isp_type = ISP_HA_SCSI_1020A;
238 sdp->isp_clock = 40;
239 break;
240 case 3:
241 revname = "1040";
242 isp->isp_type = ISP_HA_SCSI_1040;
243 sdp->isp_clock = 60;
244 break;
245 case 4:
246 revname = "1040A";
247 isp->isp_type = ISP_HA_SCSI_1040A;
248 sdp->isp_clock = 60;
249 break;
250 case 5:
251 revname = "1040B";
252 isp->isp_type = ISP_HA_SCSI_1040B;
253 sdp->isp_clock = 60;
254 break;
255 }
256 /*
257 * Now, while we're at it, gather info about ultra
258 * and/or differential mode.
259 */
260 if (ISP_READ(isp, SXP_PINS_DIFF) & SXP_PINS_DIFF_MODE) {
261 PRINTF("%s: Differential Mode\n", isp->isp_name);
262 sdp->isp_diffmode = 1;
263 } else {
264 sdp->isp_diffmode = 0;
265 }
266 i = ISP_READ(isp, RISC_PSR);
267 if (isp->isp_bustype == ISP_BT_SBUS) {
268 i &= RISC_PSR_SBUS_ULTRA;
269 } else {
270 i &= RISC_PSR_PCI_ULTRA;
271 }
272 if (i != 0) {
273 PRINTF("%s: Ultra Mode Capable\n", isp->isp_name);
274 sdp->isp_ultramode = 1;
275 /*
276 * If we're in Ultra Mode, we have to be 60Mhz clock-
277 * even for the SBus version.
278 */
279 sdp->isp_clock = 60;
280 } else {
281 sdp->isp_ultramode = 0;
282 /*
283 * Clock is known. Gronk.
284 */
285 }
286
287 /*
288 * Machine dependent clock (if set) overrides
289 * our generic determinations.
290 */
291 if (isp->isp_mdvec->dv_clock) {
292 if (isp->isp_mdvec->dv_clock < sdp->isp_clock) {
293 sdp->isp_clock = isp->isp_mdvec->dv_clock;
294 }
295 }
296
297 }
298
299 /*
300 * Do MD specific pre initialization
301 */
302 ISP_RESET0(isp);
303
304 again:
305
306 /*
307 * Hit the chip over the head with hammer,
308 * and give the ISP a chance to recover.
309 */
310
311 if (IS_SCSI(isp)) {
312 ISP_WRITE(isp, BIU_ICR, BIU_ICR_SOFT_RESET);
313 /*
314 * A slight delay...
315 */
316 SYS_DELAY(100);
317
318 #if 0
319 PRINTF("%s: mbox0-5: 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x\n",
320 isp->isp_name, ISP_READ(isp, OUTMAILBOX0),
321 ISP_READ(isp, OUTMAILBOX1), ISP_READ(isp, OUTMAILBOX2),
322 ISP_READ(isp, OUTMAILBOX3), ISP_READ(isp, OUTMAILBOX4),
323 ISP_READ(isp, OUTMAILBOX5));
324 #endif
325
326 /*
327 * Clear data && control DMA engines.
328 */
329 ISP_WRITE(isp, CDMA_CONTROL,
330 DMA_CNTRL_CLEAR_CHAN | DMA_CNTRL_RESET_INT);
331 ISP_WRITE(isp, DDMA_CONTROL,
332 DMA_CNTRL_CLEAR_CHAN | DMA_CNTRL_RESET_INT);
333
334
335 } else {
336 ISP_WRITE(isp, BIU2100_CSR, BIU2100_SOFT_RESET);
337 /*
338 * A slight delay...
339 */
340 SYS_DELAY(100);
341
342 /*
343 * Clear data && control DMA engines.
344 */
345 ISP_WRITE(isp, CDMA2100_CONTROL,
346 DMA_CNTRL2100_CLEAR_CHAN | DMA_CNTRL2100_RESET_INT);
347 ISP_WRITE(isp, TDMA2100_CONTROL,
348 DMA_CNTRL2100_CLEAR_CHAN | DMA_CNTRL2100_RESET_INT);
349 ISP_WRITE(isp, RDMA2100_CONTROL,
350 DMA_CNTRL2100_CLEAR_CHAN | DMA_CNTRL2100_RESET_INT);
351 }
352
353 /*
354 * Wait for ISP to be ready to go...
355 */
356 loops = MBOX_DELAY_COUNT;
357 for (;;) {
358 if (isp->isp_type & ISP_HA_SCSI) {
359 if (!(ISP_READ(isp, BIU_ICR) & BIU_ICR_SOFT_RESET))
360 break;
361 } else {
362 if (!(ISP_READ(isp, BIU2100_CSR) & BIU2100_SOFT_RESET))
363 break;
364 }
365 SYS_DELAY(100);
366 if (--loops < 0) {
367 isp_dumpregs(isp, "chip reset timed out");
368 return;
369 }
370 }
371
372 /*
373 * After we've fired this chip up, zero out the conf1 register
374 * for SCSI adapters and other settings for the 2100.
375 */
376
377 if (IS_SCSI(isp)) {
378 ISP_WRITE(isp, BIU_CONF1, 0);
379 } else {
380 ISP_WRITE(isp, BIU2100_CSR, 0);
381 }
382
383 /*
384 * Reset RISC Processor
385 */
386 ISP_WRITE(isp, HCCR, HCCR_CMD_RESET);
387 SYS_DELAY(100);
388
389 /*
390 * Establish some initial burst rate stuff.
391 * (only for the 1XX0 boards). This really should
392 * be done later after fetching from NVRAM.
393 */
394 if (IS_SCSI(isp)) {
395 u_int16_t tmp = isp->isp_mdvec->dv_conf1;
396 /*
397 * Busted FIFO. Turn off all but burst enables.
398 */
399 if (isp->isp_type == ISP_HA_SCSI_1040A) {
400 tmp &= BIU_BURST_ENABLE;
401 }
402 ISP_SETBITS(isp, BIU_CONF1, tmp);
403 if (tmp & BIU_BURST_ENABLE) {
404 ISP_SETBITS(isp, CDMA_CONF, DMA_ENABLE_BURST);
405 ISP_SETBITS(isp, DDMA_CONF, DMA_ENABLE_BURST);
406 }
407 #ifdef PTI_CARDS
408 if (((sdparam *) isp->isp_param)->isp_ultramode) {
409 while (ISP_READ(isp, RISC_MTR) != 0x1313) {
410 ISP_WRITE(isp, RISC_MTR, 0x1313);
411 ISP_WRITE(isp, HCCR, HCCR_CMD_STEP);
412 }
413 } else {
414 ISP_WRITE(isp, RISC_MTR, 0x1212);
415 }
416 /*
417 * PTI specific register
418 */
419 ISP_WRITE(isp, RISC_EMB, DUAL_BANK)
420 #else
421 ISP_WRITE(isp, RISC_MTR, 0x1212);
422 #endif
423 } else {
424 ISP_WRITE(isp, RISC_MTR2100, 0x1212);
425 }
426
427 ISP_WRITE(isp, HCCR, HCCR_CMD_RELEASE); /* release paused processor */
428
429 /*
430 * Do MD specific post initialization
431 */
432 ISP_RESET1(isp);
433
434 /*
435 * Enable interrupts
436 */
437 ENABLE_INTS(isp);
438
439 /*
440 * Wait for everything to finish firing up...
441 */
442 loops = MBOX_DELAY_COUNT;
443 while (ISP_READ(isp, OUTMAILBOX0) == MBOX_BUSY) {
444 SYS_DELAY(100);
445 if (--loops < 0) {
446 PRINTF("%s: MBOX_BUSY never cleared on reset\n",
447 isp->isp_name);
448 return;
449 }
450 }
451
452 /*
453 * Up until this point we've done everything by just reading or
454 * setting registers. From this point on we rely on at least *some*
455 * kind of firmware running in the card.
456 */
457
458 /*
459 * Do some sanity checking.
460 */
461 mbs.param[0] = MBOX_NO_OP;
462 isp_mboxcmd(isp, &mbs);
463 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
464 isp_dumpregs(isp, "NOP test failed");
465 return;
466 }
467
468 if (isp->isp_type & ISP_HA_SCSI) {
469 mbs.param[0] = MBOX_MAILBOX_REG_TEST;
470 mbs.param[1] = 0xdead;
471 mbs.param[2] = 0xbeef;
472 mbs.param[3] = 0xffff;
473 mbs.param[4] = 0x1111;
474 mbs.param[5] = 0xa5a5;
475 isp_mboxcmd(isp, &mbs);
476 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
477 isp_dumpregs(isp,
478 "Mailbox Register test didn't complete");
479 return;
480 }
481 if (mbs.param[1] != 0xdead || mbs.param[2] != 0xbeef ||
482 mbs.param[3] != 0xffff || mbs.param[4] != 0x1111 ||
483 mbs.param[5] != 0xa5a5) {
484 isp_dumpregs(isp, "Register Test Failed");
485 return;
486 }
487
488 }
489
490 /*
491 * Download new Firmware, unless requested not to do so.
492 * This is made slightly trickier in some cases where the
493 * firmware of the ROM revision is newer than the revision
494 * compiled into the driver. So, where we used to compare
495 * versions of our f/w and the ROM f/w, now we just see
496 * whether we have f/w at all and whether a config flag
497 * has disabled our download.
498 */
499 if ((isp->isp_mdvec->dv_fwlen == 0) ||
500 (isp->isp_confopts & ISP_CFG_NORELOAD)) {
501 dodnld = 0;
502 }
503
504 if (dodnld && isp->isp_mdvec->dv_fwlen) {
505 for (i = 0; i < isp->isp_mdvec->dv_fwlen; i++) {
506 mbs.param[0] = MBOX_WRITE_RAM_WORD;
507 mbs.param[1] = isp->isp_mdvec->dv_codeorg + i;
508 mbs.param[2] = isp->isp_mdvec->dv_ispfw[i];
509 isp_mboxcmd(isp, &mbs);
510 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
511 PRINTF("%s: F/W download failed at word %d\n",
512 isp->isp_name, i);
513 dodnld = 0;
514 goto again;
515 }
516 }
517
518 /*
519 * Verify that it downloaded correctly.
520 */
521 mbs.param[0] = MBOX_VERIFY_CHECKSUM;
522 mbs.param[1] = isp->isp_mdvec->dv_codeorg;
523 isp_mboxcmd(isp, &mbs);
524 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
525 isp_dumpregs(isp, "ram checksum failure");
526 return;
527 }
528 } else {
529 IDPRINTF(3, ("%s: skipping f/w download\n", isp->isp_name));
530 }
531
532 /*
533 * Now start it rolling.
534 *
535 * If we didn't actually download f/w,
536 * we still need to (re)start it.
537 */
538
539 mbs.param[0] = MBOX_EXEC_FIRMWARE;
540 if (isp->isp_mdvec->dv_codeorg)
541 mbs.param[1] = isp->isp_mdvec->dv_codeorg;
542 else
543 mbs.param[1] = 0x1000;
544 isp_mboxcmd(isp, &mbs);
545
546 if (isp->isp_type & ISP_HA_SCSI) {
547 sdparam *sdp = isp->isp_param;
548 /*
549 * Set CLOCK RATE, but only if asked to.
550 */
551 if (sdp->isp_clock) {
552 mbs.param[0] = MBOX_SET_CLOCK_RATE;
553 mbs.param[1] = sdp->isp_clock;
554 isp_mboxcmd(isp, &mbs);
555 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
556 isp_dumpregs(isp, "failed to set CLOCKRATE");
557 /* but continue */
558 } else {
559 IDPRINTF(3, ("%s: setting input clock to %d\n",
560 isp->isp_name, sdp->isp_clock));
561 }
562 }
563 }
564 mbs.param[0] = MBOX_ABOUT_FIRMWARE;
565 isp_mboxcmd(isp, &mbs);
566 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
567 isp_dumpregs(isp, "ABOUT FIRMWARE command failed");
568 return;
569 }
570 PRINTF("%s: Board Revision %s, %s F/W Revision %d.%d\n",
571 isp->isp_name, revname, dodnld? "loaded" : "resident",
572 mbs.param[1], mbs.param[2]);
573 if (IS_FC(isp)) {
574 if (ISP_READ(isp, BIU2100_CSR) & BIU2100_PCI64) {
575 PRINTF("%s: in 64-Bit PCI slot\n", isp->isp_name);
576 }
577 }
578 isp->isp_fwrev = (((u_int16_t) mbs.param[1]) << 10) + mbs.param[2];
579 if (isp->isp_romfw_rev && dodnld) {
580 PRINTF("%s: Last F/W revision was %d.%d\n", isp->isp_name,
581 isp->isp_romfw_rev >> 10, isp->isp_romfw_rev & 0x3ff);
582 }
583 isp_fw_state(isp);
584 isp->isp_state = ISP_RESETSTATE;
585 }
586
587 /*
588 * Initialize Parameters of Hardware to a known state.
589 *
590 * Locks are held before coming here.
591 */
592
593 void
594 isp_init(isp)
595 struct ispsoftc *isp;
596 {
597 sdparam *sdp;
598 mbreg_t mbs;
599 int tgt;
600
601 /*
602 * Must do first.
603 */
604 isp_setdfltparm(isp);
605
606 /*
607 * Set up DMA for the request and result mailboxes.
608 */
609 if (ISP_MBOXDMASETUP(isp) != 0) {
610 PRINTF("%s: can't setup dma mailboxes\n", isp->isp_name);
611 return;
612 }
613
614 /*
615 * If we're fibre, we have a completely different
616 * initialization method.
617 */
618 if (IS_FC(isp)) {
619 isp_fibre_init(isp);
620 return;
621 }
622 sdp = isp->isp_param;
623
624 /*
625 * If we have fast memory timing enabled, turn it on.
626 */
627 if (sdp->isp_fast_mttr) {
628 ISP_WRITE(isp, RISC_MTR, 0x1313);
629 }
630
631 /*
632 * Set (possibly new) Initiator ID.
633 */
634 mbs.param[0] = MBOX_SET_INIT_SCSI_ID;
635 mbs.param[1] = sdp->isp_initiator_id;
636 isp_mboxcmd(isp, &mbs);
637 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
638 isp_dumpregs(isp, "failed to set initiator id");
639 return;
640 }
641
642 /*
643 * Set Retry Delay and Count
644 */
645 mbs.param[0] = MBOX_SET_RETRY_COUNT;
646 mbs.param[1] = sdp->isp_retry_count;
647 mbs.param[2] = sdp->isp_retry_delay;
648 isp_mboxcmd(isp, &mbs);
649 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
650 isp_dumpregs(isp, "failed to set retry count and delay");
651 return;
652 }
653
654 /*
655 * Set ASYNC DATA SETUP time. This is very important.
656 */
657 mbs.param[0] = MBOX_SET_ASYNC_DATA_SETUP_TIME;
658 mbs.param[1] = sdp->isp_async_data_setup;
659 isp_mboxcmd(isp, &mbs);
660 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
661 isp_dumpregs(isp, "failed to set async data setup time");
662 return;
663 }
664
665 /*
666 * Set ACTIVE Negation State.
667 */
668 mbs.param[0] = MBOX_SET_ACTIVE_NEG_STATE;
669 mbs.param[1] =
670 (sdp->isp_req_ack_active_neg << 4) |
671 (sdp->isp_data_line_active_neg << 5);
672 isp_mboxcmd(isp, &mbs);
673 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
674 isp_dumpregs(isp, "failed to set active neg state");
675 return;
676 }
677
678 /*
679 * Set the Tag Aging limit
680 */
681
682 mbs.param[0] = MBOX_SET_TAG_AGE_LIMIT;
683 mbs.param[1] = sdp->isp_tag_aging;
684 isp_mboxcmd(isp, &mbs);
685 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
686 isp_dumpregs(isp, "failed to set tag age limit");
687 return;
688 }
689
690 /*
691 * Set selection timeout.
692 */
693
694 mbs.param[0] = MBOX_SET_SELECT_TIMEOUT;
695 mbs.param[1] = sdp->isp_selection_timeout;
696 isp_mboxcmd(isp, &mbs);
697 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
698 isp_dumpregs(isp, "failed to set selection timeout");
699 return;
700 }
701
702 /*
703 * Set current per-target parameters to a safe minimum.
704 */
705 for (tgt = 0; tgt < MAX_TARGETS; tgt++) {
706 int maxlun, lun;
707 u_int16_t sdf;
708
709 if (sdp->isp_devparam[tgt].dev_enable == 0)
710 continue;
711
712 sdf = DPARM_SAFE_DFLT;
713 /*
714 * It is not quite clear when this changed over so that
715 * we could force narrow and async, so assume >= 7.55.
716 */
717 if (isp->isp_fwrev >= ISP_FW_REV(7, 55)) {
718 sdf |= DPARM_NARROW | DPARM_ASYNC;
719 }
720 mbs.param[0] = MBOX_SET_TARGET_PARAMS;
721 mbs.param[1] = tgt << 8;
722 mbs.param[2] = sdf;
723 mbs.param[3] =
724 (sdp->isp_devparam[tgt].sync_offset << 8) |
725 (sdp->isp_devparam[tgt].sync_period);
726 isp_mboxcmd(isp, &mbs);
727 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
728 sdf = DPARM_SAFE_DFLT;
729 mbs.param[0] = MBOX_SET_TARGET_PARAMS;
730 mbs.param[1] = tgt << 8;
731 mbs.param[2] = sdf;
732 mbs.param[3] =
733 (sdp->isp_devparam[tgt].sync_offset << 8) |
734 (sdp->isp_devparam[tgt].sync_period);
735 isp_mboxcmd(isp, &mbs);
736 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
737 PRINTF("%s: failed even to set defaults for "
738 "target %d\n", isp->isp_name, tgt);
739 continue;
740 }
741 }
742 /*
743 * We don't update dev_flags with what we've set
744 * because that's not the ultimate goal setting.
745 * If we succeed with the command, we *do* update
746 * cur_dflags by getting target parameters.
747 */
748 mbs.param[0] = MBOX_GET_TARGET_PARAMS;
749 mbs.param[1] = (tgt << 8);
750 isp_mboxcmd(isp, &mbs);
751 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
752 /*
753 * Urrr.... We'll set cur_dflags to DPARM_SAFE_DFLT so
754 * we don't try and do tags if tags aren't enabled.
755 */
756 sdp->isp_devparam[tgt].cur_dflags = DPARM_SAFE_DFLT;
757 } else {
758 sdp->isp_devparam[tgt].cur_dflags = mbs.param[2];
759 sdp->isp_devparam[tgt].cur_offset = mbs.param[3] >> 8;
760 sdp->isp_devparam[tgt].cur_period = mbs.param[3] & 0xff;
761 }
762 /*
763 * Ensure that we don't believe tagged queuing is enabled yet.
764 * It turns out that sometimes the ISP just ignores our
765 * attempts to set parameters for devices that it hasn't
766 * seen yet.
767 */
768 sdp->isp_devparam[tgt].cur_dflags &= ~DPARM_TQING;
769
770 maxlun = (isp->isp_fwrev >= ISP_FW_REV(7, 55))? 32 : 8;
771 for (lun = 0; lun < maxlun; lun++) {
772 mbs.param[0] = MBOX_SET_DEV_QUEUE_PARAMS;
773 mbs.param[1] = (tgt << 8) | lun;
774 mbs.param[2] = sdp->isp_max_queue_depth;
775 mbs.param[3] = sdp->isp_devparam[tgt].exc_throttle;
776 isp_mboxcmd(isp, &mbs);
777 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
778 PRINTF("%s: failed to set device queue "
779 "parameters for target %d, lun %d\n",
780 isp->isp_name, tgt, lun);
781 break;
782 }
783 }
784 /*
785 * And mark this as an unannounced device
786 */
787 sdp->isp_devparam[tgt].dev_announced = 0;
788 }
789
790 mbs.param[0] = MBOX_INIT_RES_QUEUE;
791 mbs.param[1] = RESULT_QUEUE_LEN;
792 mbs.param[2] = (u_int16_t) (isp->isp_result_dma >> 16);
793 mbs.param[3] = (u_int16_t) (isp->isp_result_dma & 0xffff);
794 mbs.param[4] = 0;
795 mbs.param[5] = 0;
796 isp_mboxcmd(isp, &mbs);
797 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
798 isp_dumpregs(isp, "set of response queue failed");
799 return;
800 }
801 isp->isp_residx = 0;
802
803 mbs.param[0] = MBOX_INIT_REQ_QUEUE;
804 mbs.param[1] = RQUEST_QUEUE_LEN;
805 mbs.param[2] = (u_int16_t) (isp->isp_rquest_dma >> 16);
806 mbs.param[3] = (u_int16_t) (isp->isp_rquest_dma & 0xffff);
807 mbs.param[4] = 0;
808 mbs.param[5] = 0;
809 isp_mboxcmd(isp, &mbs);
810 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
811 isp_dumpregs(isp, "set of request queue failed");
812 return;
813 }
814 isp->isp_reqidx = isp->isp_reqodx = 0;
815
816 /*
817 * Turn on Fast Posting, LVD transitions
818 */
819
820 if (IS_1080(isp) || isp->isp_fwrev >= ISP_FW_REV(7, 55)) {
821 mbs.param[0] = MBOX_SET_FW_FEATURES;
822 #ifndef ISP_NO_FASTPOST_SCSI
823 mbs.param[1] |= FW_FEATURE_FAST_POST;
824 #else
825 mbs.param[1] = 0;
826 #endif
827 if (IS_1080(isp))
828 mbs.param[1] |= FW_FEATURE_LVD_NOTIFY;
829 if (mbs.param[1] != 0) {
830 isp_mboxcmd(isp, &mbs);
831 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
832 PRINTF("%s: unable enable FW features\n",
833 isp->isp_name);
834 }
835 }
836 }
837
838 /*
839 * Let the outer layers decide whether to issue a SCSI bus reset.
840 */
841 #if 0
842 /*
843 * XXX: See whether or not for 7.55 F/W or later we
844 * XXX: can do without this, and see whether we should
845 * XXX: honor the NVRAM SCSI_RESET_DISABLE token.
846 */
847 mbs.param[0] = MBOX_BUS_RESET;
848 mbs.param[1] = 3;
849 isp_mboxcmd(isp, &mbs);
850 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
851 isp_dumpregs(isp, "SCSI bus reset failed");
852 }
853 /*
854 * This is really important to have set after a bus reset.
855 */
856 isp->isp_sendmarker = 1;
857 #endif
858 isp->isp_state = ISP_INITSTATE;
859 }
860
861 /*
862 * Fibre Channel specific initialization.
863 *
864 * Locks are held before coming here.
865 */
866 static void
867 isp_fibre_init(isp)
868 struct ispsoftc *isp;
869 {
870 fcparam *fcp;
871 isp_icb_t *icbp;
872 mbreg_t mbs;
873 int count, loopid;
874
875 fcp = isp->isp_param;
876
877 /*
878 * For systems that don't have BIOS methods for which
879 * we can easily change the NVRAM based loopid, we'll
880 * override that here. Note that when we initialize
881 * the firmware we may get back a different loopid than
882 * we asked for anyway. XXX This is probably not the
883 * best way to figure this out XXX
884 */
885 #ifndef __i386__
886 loopid = DEFAULT_LOOPID;
887 #else
888 loopid = fcp->isp_loopid;
889 #endif
890
891 #if defined(ISP2100_FABRIC) && defined(ISP2100_SCCLUN)
892 PRINTF("%s: Fabric Support, Expanded Lun Support\n", isp->isp_name);
893 #endif
894 #if defined(ISP2100_FABRIC) && !defined(ISP2100_SCCLUN)
895 PRINTF("%s: Fabric Support\n", isp->isp_name);
896 #endif
897 #if !defined(ISP2100_FABRIC) && defined(ISP2100_SCCLUN)
898 PRINTF("%s: Expanded Lun Support\n", isp->isp_name);
899 #endif
900
901 icbp = (isp_icb_t *) fcp->isp_scratch;
902 MEMZERO(icbp, sizeof (*icbp));
903
904 icbp->icb_version = ICB_VERSION1;
905 #ifdef ISP_TARGET_MODE
906 fcp->isp_fwoptions = ICBOPT_TGT_ENABLE|ICBOPT_INI_TGTTYPE;
907 #else
908 fcp->isp_fwoptions = 0;
909 #endif
910 fcp->isp_fwoptions |= ICBOPT_INI_ADISC|ICBOPT_FAIRNESS;
911 fcp->isp_fwoptions |= ICBOPT_PDBCHANGE_AE;
912 fcp->isp_fwoptions |= ICBOPT_HARD_ADDRESS;
913 #ifndef ISP_NO_FASTPOST_FC
914 fcp->isp_fwoptions |= ICBOPT_FAST_POST;
915 #endif
916 #ifdef CHECKME
917 fcp->isp_fwoptions |= ICBOPT_USE_PORTNAME;
918 #endif
919 #ifdef ISP2100_FABRIC
920 fcp->isp_fwoptions |= ICBOPT_FULL_LOGIN;
921 #endif
922
923 icbp->icb_fwoptions = fcp->isp_fwoptions;
924 icbp->icb_maxfrmlen = fcp->isp_maxfrmlen;
925 if (icbp->icb_maxfrmlen < ICB_MIN_FRMLEN ||
926 icbp->icb_maxfrmlen > ICB_MAX_FRMLEN) {
927 PRINTF("%s: bad frame length (%d) from NVRAM- using %d\n",
928 isp->isp_name, fcp->isp_maxfrmlen, ICB_DFLT_FRMLEN);
929 }
930 icbp->icb_maxalloc = fcp->isp_maxalloc;
931 icbp->icb_execthrottle = fcp->isp_execthrottle;
932 icbp->icb_retry_delay = fcp->isp_retry_delay;
933 icbp->icb_retry_count = fcp->isp_retry_count;
934 icbp->icb_hardaddr = loopid;
935
936 MAKE_NODE_NAME_FROM_WWN(icbp->icb_nodename, fcp->isp_wwn);
937 if (icbp->icb_fwoptions & ICBOPT_USE_PORTNAME) {
938 u_int64_t portname = fcp->isp_wwn | (2LL << 56);
939 MAKE_NODE_NAME_FROM_WWN(icbp->icb_nodename, portname);
940 }
941 icbp->icb_rqstqlen = RQUEST_QUEUE_LEN;
942 icbp->icb_rsltqlen = RESULT_QUEUE_LEN;
943 icbp->icb_rqstaddr[RQRSP_ADDR0015] =
944 (u_int16_t) (isp->isp_rquest_dma & 0xffff);
945 icbp->icb_rqstaddr[RQRSP_ADDR1631] =
946 (u_int16_t) (isp->isp_rquest_dma >> 16);
947 icbp->icb_respaddr[RQRSP_ADDR0015] =
948 (u_int16_t) (isp->isp_result_dma & 0xffff);
949 icbp->icb_respaddr[RQRSP_ADDR1631] =
950 (u_int16_t) (isp->isp_result_dma >> 16);
951 MemoryBarrier();
952
953 for (count = 0; count < 10; count++) {
954 mbs.param[0] = MBOX_INIT_FIRMWARE;
955 mbs.param[1] = 0;
956 mbs.param[2] = (u_int16_t) (fcp->isp_scdma >> 16);
957 mbs.param[3] = (u_int16_t) (fcp->isp_scdma & 0xffff);
958 mbs.param[4] = 0;
959 mbs.param[5] = 0;
960 mbs.param[6] = 0;
961 mbs.param[7] = 0;
962
963 isp_mboxcmd(isp, &mbs);
964
965 switch (mbs.param[0]) {
966 case MBOX_COMMAND_COMPLETE:
967 count = 10;
968 break;
969 case ASYNC_PDB_CHANGED:
970 isp_mark_getpdb_all(isp);
971 /* FALL THROUGH */
972 case ASYNC_LIP_OCCURRED:
973 case ASYNC_LOOP_UP:
974 case ASYNC_LOOP_DOWN:
975 case ASYNC_LOOP_RESET:
976 case ASYNC_CHANGE_NOTIFY:
977 if (count > 9) {
978 PRINTF("%s: too many retries to get going- "
979 "giving up\n", isp->isp_name);
980 return;
981 }
982 break;
983 default:
984 isp_dumpregs(isp, "INIT FIRMWARE failed");
985 return;
986 }
987 }
988 isp->isp_reqidx = isp->isp_reqodx = 0;
989 isp->isp_residx = 0;
990 isp->isp_sendmarker = 1;
991
992 /*
993 * Whatever happens, we're now committed to being here.
994 */
995 isp->isp_state = ISP_INITSTATE;
996 fcp->isp_fwstate = FW_CONFIG_WAIT;
997
998 isp_mark_getpdb_all(isp);
999
1000 #ifdef ISP_TARGET_MODE
1001 if (isp_modify_lun(isp, 0, 1, 1)) {
1002 PRINTF("%s: failed to enable target mode\n", isp->isp_name);
1003 }
1004 #endif
1005 }
1006
1007 /*
1008 * Fibre Channel Support- get the port database for the id.
1009 *
1010 * Locks are held before coming here. Return 0 if success,
1011 * else failure.
1012 */
1013
1014 static void
1015 isp_mark_getpdb_all(isp)
1016 struct ispsoftc *isp;
1017 {
1018 isp_pdb_t *p;
1019 fcparam *fcp = (fcparam *) isp->isp_param;
1020 for (p = &fcp->isp_pdb[0]; p < &fcp->isp_pdb[MAX_FC_TARG]; p++) {
1021 p->pdb_options = INVALID_PDB_OPTIONS;
1022 }
1023 }
1024
1025 static int
1026 isp_getpdb(isp, id, pdbp)
1027 struct ispsoftc *isp;
1028 int id;
1029 isp_pdb_t *pdbp;
1030 {
1031 fcparam *fcp = (fcparam *) isp->isp_param;
1032 mbreg_t mbs;
1033 mbs.param[0] = MBOX_GET_PORT_DB;
1034 mbs.param[1] = id << 8;
1035 mbs.param[2] = (u_int16_t) (fcp->isp_scdma >> 16);
1036 mbs.param[3] = (u_int16_t) (fcp->isp_scdma & 0xffff);
1037 /*
1038 * Unneeded. For the 2100, except for initializing f/w, registers
1039 * 4/5 have to not be written to.
1040 * mbs.param[4] = 0;
1041 * mbs.param[5] = 0;
1042 *
1043 */
1044 mbs.param[6] = 0;
1045 mbs.param[7] = 0;
1046 isp_mboxcmd(isp, &mbs);
1047 switch (mbs.param[0]) {
1048 case MBOX_COMMAND_COMPLETE:
1049 MemoryBarrier();
1050 MEMCPY(pdbp, fcp->isp_scratch, sizeof (isp_pdb_t));
1051 break;
1052 case MBOX_HOST_INTERFACE_ERROR:
1053 PRINTF("%s: DMA error getting port database\n", isp->isp_name);
1054 return (-1);
1055 case MBOX_COMMAND_PARAM_ERROR:
1056 /* Not Logged In */
1057 IDPRINTF(3, ("%s: Comand Param Error on Get Port Database\n",
1058 isp->isp_name));
1059 return (-1);
1060 default:
1061 PRINTF("%s: error 0x%x getting port database for ID %d\n",
1062 isp->isp_name, mbs.param[0], id);
1063 return (-1);
1064 }
1065 return (0);
1066 }
1067
1068 /*
1069 * Make sure we have good FC link and know our Loop ID.
1070 */
1071
1072 static int
1073 isp_fclink_test(isp, waitdelay)
1074 struct ispsoftc *isp;
1075 int waitdelay;
1076 {
1077 mbreg_t mbs;
1078 int count;
1079 u_int8_t lwfs;
1080 fcparam *fcp;
1081
1082 fcp = isp->isp_param;
1083
1084 /*
1085 * Wait up to N microseconds for F/W to go to a ready state.
1086 */
1087 lwfs = FW_CONFIG_WAIT;
1088 for (count = 0; count < waitdelay; count += 100) {
1089 isp_fw_state(isp);
1090 if (lwfs != fcp->isp_fwstate) {
1091 PRINTF("%s: Firmware State %s -> %s\n",
1092 isp->isp_name, isp2100_fw_statename((int)lwfs),
1093 isp2100_fw_statename((int)fcp->isp_fwstate));
1094 lwfs = fcp->isp_fwstate;
1095 }
1096 if (fcp->isp_fwstate == FW_READY) {
1097 break;
1098 }
1099 SYS_DELAY(100); /* wait 100 microseconds */
1100 }
1101
1102 /*
1103 * If we haven't gone to 'ready' state, return.
1104 */
1105 if (fcp->isp_fwstate != FW_READY) {
1106 return (-1);
1107 }
1108
1109 /*
1110 * Get our Loop ID (if possible). We really need to have it.
1111 */
1112 mbs.param[0] = MBOX_GET_LOOP_ID;
1113 isp_mboxcmd(isp, &mbs);
1114 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
1115 PRINTF("%s: GET LOOP ID failed\n", isp->isp_name);
1116 return (-1);
1117 }
1118 fcp->isp_loopid = mbs.param[1];
1119 fcp->isp_alpa = mbs.param[2];
1120 PRINTF("%s: Loop ID %d, ALPA 0x%x\n", isp->isp_name,
1121 fcp->isp_loopid, fcp->isp_alpa);
1122 return (0);
1123
1124 }
1125
1126 /*
1127 * Start a command. Locking is assumed done in the caller.
1128 */
1129
1130 int32_t
1131 ispscsicmd(xs)
1132 ISP_SCSI_XFER_T *xs;
1133 {
1134 struct ispsoftc *isp;
1135 u_int8_t iptr, optr;
1136 union {
1137 ispreq_t *_reqp;
1138 ispreqt2_t *_t2reqp;
1139 } _u;
1140 #define reqp _u._reqp
1141 #define t2reqp _u._t2reqp
1142 #define UZSIZE max(sizeof (ispreq_t), sizeof (ispreqt2_t))
1143 int i, rqidx;
1144
1145 XS_INITERR(xs);
1146 isp = XS_ISP(xs);
1147
1148 if (isp->isp_state != ISP_RUNSTATE) {
1149 PRINTF("%s: adapter not ready\n", isp->isp_name);
1150 XS_SETERR(xs, HBA_BOTCH);
1151 return (CMD_COMPLETE);
1152 }
1153
1154 /*
1155 * We *could* do the different sequence type that has close
1156 * to the whole Queue Entry for the command...
1157 */
1158
1159 if (XS_CDBLEN(xs) > ((isp->isp_type & ISP_HA_FC)? 16 : 12)) {
1160 PRINTF("%s: unsupported cdb length (%d)\n",
1161 isp->isp_name, XS_CDBLEN(xs));
1162 XS_SETERR(xs, HBA_BOTCH);
1163 return (CMD_COMPLETE);
1164 }
1165
1166 /*
1167 * Check to see whether we have good firmware state still or
1168 * need to refresh our port database for this target.
1169 */
1170 if (IS_FC(isp)) {
1171 fcparam *fcp = isp->isp_param;
1172 isp_pdb_t *pdbp = &fcp->isp_pdb[XS_TGT(xs)];
1173
1174 /*
1175 * Check for f/w being in ready state. Well, okay,
1176 * our cached copy of it...
1177 */
1178 if (fcp->isp_fwstate != FW_READY) {
1179 if (isp_fclink_test(isp, FC_FW_READY_DELAY)) {
1180 XS_SETERR(xs, HBA_SELTIMEOUT);
1181 return (CMD_COMPLETE);
1182 }
1183 }
1184 /*
1185 * Refresh our port database if needed.
1186 */
1187 if (pdbp->pdb_options == INVALID_PDB_OPTIONS) {
1188 if (isp_getpdb(isp, XS_TGT(xs), pdbp) == 0) {
1189 isp_async(isp, ISPASYNC_PDB_CHANGE_COMPLETE,
1190 (void *) (long) XS_TGT(xs));
1191 }
1192 }
1193 }
1194
1195 /*
1196 * Next check to see if any HBA or Device
1197 * parameters need to be updated.
1198 */
1199 if (isp->isp_update) {
1200 isp_update(isp);
1201 }
1202
1203 optr = isp->isp_reqodx = ISP_READ(isp, OUTMAILBOX4);
1204 iptr = isp->isp_reqidx;
1205
1206 reqp = (ispreq_t *) ISP_QUEUE_ENTRY(isp->isp_rquest, iptr);
1207 iptr = ISP_NXT_QENTRY(iptr, RQUEST_QUEUE_LEN);
1208 if (iptr == optr) {
1209 IDPRINTF(2, ("%s: Request Queue Overflow\n", isp->isp_name));
1210 XS_SETERR(xs, HBA_BOTCH);
1211 return (CMD_EAGAIN);
1212 }
1213
1214 if (isp->isp_sendmarker) {
1215 u_int8_t niptr;
1216 ispmarkreq_t *marker = (ispmarkreq_t *) reqp;
1217
1218 MEMZERO((void *) marker, sizeof (*marker));
1219 marker->req_header.rqs_entry_count = 1;
1220 marker->req_header.rqs_entry_type = RQSTYPE_MARKER;
1221 marker->req_modifier = SYNC_ALL;
1222
1223 /*
1224 * Unconditionally update the input pointer anyway.
1225 */
1226 ISP_WRITE(isp, INMAILBOX4, iptr);
1227 isp->isp_reqidx = iptr;
1228
1229 niptr = ISP_NXT_QENTRY(iptr, RQUEST_QUEUE_LEN);
1230 if (niptr == optr) {
1231 IDPRINTF(2, ("%s: Request Queue Overflow+\n",
1232 isp->isp_name));
1233 XS_SETERR(xs, HBA_BOTCH);
1234 return (CMD_EAGAIN);
1235 }
1236 reqp = (ispreq_t *) ISP_QUEUE_ENTRY(isp->isp_rquest, iptr);
1237 iptr = niptr;
1238 }
1239
1240 MEMZERO((void *) reqp, UZSIZE);
1241 reqp->req_header.rqs_entry_count = 1;
1242 if (isp->isp_type & ISP_HA_FC) {
1243 reqp->req_header.rqs_entry_type = RQSTYPE_T2RQS;
1244 } else {
1245 reqp->req_header.rqs_entry_type = RQSTYPE_REQUEST;
1246 }
1247 reqp->req_header.rqs_flags = 0;
1248 reqp->req_header.rqs_seqno = isp->isp_seqno++;
1249
1250 for (rqidx = 0; rqidx < RQUEST_QUEUE_LEN; rqidx++) {
1251 if (isp->isp_xflist[rqidx] == NULL)
1252 break;
1253 }
1254 if (rqidx == RQUEST_QUEUE_LEN) {
1255 IDPRINTF(2, ("%s: out of xflist pointers\n", isp->isp_name));
1256 XS_SETERR(xs, HBA_BOTCH);
1257 return (CMD_EAGAIN);
1258 } else {
1259 /*
1260 * Never have a handle that is zero, so
1261 * set req_handle off by one.
1262 */
1263 isp->isp_xflist[rqidx] = xs;
1264 reqp->req_handle = rqidx+1;
1265 }
1266
1267 if (isp->isp_type & ISP_HA_FC) {
1268 /*
1269 * See comment in isp_intr
1270 */
1271 XS_RESID(xs) = 0;
1272
1273 /*
1274 * Fibre Channel always requires some kind of tag.
1275 * If we're marked as "Can't Tag", just do simple
1276 * instead of ordered tags. It's pretty clear to me
1277 * that we shouldn't do head of queue tagging in
1278 * this case.
1279 */
1280 if (XS_CANTAG(xs)) {
1281 t2reqp->req_flags = XS_KINDOF_TAG(xs);
1282 } else {
1283 t2reqp->req_flags = REQFLAG_STAG;
1284 }
1285 } else {
1286 sdparam *sdp = (sdparam *)isp->isp_param;
1287 if ((sdp->isp_devparam[XS_TGT(xs)].cur_dflags & DPARM_TQING) &&
1288 XS_CANTAG(xs)) {
1289 reqp->req_flags = XS_KINDOF_TAG(xs);
1290 } else {
1291 reqp->req_flags = 0;
1292 }
1293 }
1294 reqp->req_target = XS_TGT(xs);
1295 if (isp->isp_type & ISP_HA_SCSI) {
1296 reqp->req_lun_trn = XS_LUN(xs);
1297 reqp->req_cdblen = XS_CDBLEN(xs);
1298 } else {
1299 #ifdef ISP2100_SCCLUN
1300 reqp->req_scclun = XS_LUN(xs);
1301 #else
1302 reqp->req_lun_trn = XS_LUN(xs);
1303 #endif
1304
1305 }
1306 MEMCPY(reqp->req_cdb, XS_CDBP(xs), XS_CDBLEN(xs));
1307
1308 IDPRINTF(5, ("%s(%d.%d): START%d cmd 0x%x datalen %d\n", isp->isp_name,
1309 XS_TGT(xs), XS_LUN(xs), reqp->req_header.rqs_seqno,
1310 reqp->req_cdb[0], XS_XFRLEN(xs)));
1311
1312 reqp->req_time = XS_TIME(xs) / 1000;
1313 if (reqp->req_time == 0 && XS_TIME(xs))
1314 reqp->req_time = 1;
1315
1316 /*
1317 * Always give a bit more leeway to commands after a bus reset.
1318 */
1319 if (isp->isp_sendmarker && reqp->req_time < 5)
1320 reqp->req_time = 5;
1321
1322 i = ISP_DMASETUP(isp, xs, reqp, &iptr, optr);
1323 if (i != CMD_QUEUED) {
1324 /*
1325 * Take memory of it away...
1326 */
1327 isp->isp_xflist[rqidx] = NULL;
1328 /*
1329 * dmasetup sets actual error in packet, and
1330 * return what we were given to return.
1331 */
1332 return (i);
1333 }
1334 XS_SETERR(xs, HBA_NOERROR);
1335 MemoryBarrier();
1336 ISP_WRITE(isp, INMAILBOX4, iptr);
1337 isp->isp_reqidx = iptr;
1338 isp->isp_nactive++;
1339 if (isp->isp_sendmarker)
1340 isp->isp_sendmarker = 0;
1341 return (CMD_QUEUED);
1342 #undef reqp
1343 #undef t2reqp
1344 }
1345
1346 /*
1347 * isp control
1348 * Locks (ints blocked) assumed held.
1349 */
1350
1351 int
1352 isp_control(isp, ctl, arg)
1353 struct ispsoftc *isp;
1354 ispctl_t ctl;
1355 void *arg;
1356 {
1357 ISP_SCSI_XFER_T *xs;
1358 mbreg_t mbs;
1359 int i;
1360
1361 switch (ctl) {
1362 default:
1363 PRINTF("%s: isp_control unknown control op %x\n",
1364 isp->isp_name, ctl);
1365 break;
1366
1367 case ISPCTL_RESET_BUS:
1368 /*
1369 * This is really important to have set after a bus reset.
1370 */
1371 isp->isp_sendmarker = 1;
1372
1373 /*
1374 * Issue a bus reset.
1375 */
1376 mbs.param[0] = MBOX_BUS_RESET;
1377 if (isp->isp_type & ISP_HA_SCSI) {
1378 mbs.param[1] =
1379 ((sdparam *) isp->isp_param)->isp_bus_reset_delay;
1380 if (mbs.param[1] < 2)
1381 mbs.param[1] = 2;
1382 } else {
1383 /*
1384 * Unparameterized.
1385 */
1386 mbs.param[1] = 5;
1387 }
1388 isp_mboxcmd(isp, &mbs);
1389 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
1390 isp_dumpregs(isp, "isp_control SCSI bus reset failed");
1391 break;
1392 }
1393 PRINTF("%s: driver initiated bus reset\n", isp->isp_name);
1394 return (0);
1395
1396 case ISPCTL_RESET_DEV:
1397 mbs.param[0] = MBOX_ABORT_TARGET;
1398 mbs.param[1] = ((long)arg) << 8;
1399 mbs.param[2] = 3; /* 'delay', in seconds */
1400 isp_mboxcmd(isp, &mbs);
1401 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
1402 isp_dumpregs(isp, "Target Reset Failed");
1403 break;
1404 }
1405 PRINTF("%s: Target %d Reset Succeeded\n", isp->isp_name,
1406 (int) ((long) arg));
1407 isp->isp_sendmarker = 1;
1408 return (0);
1409
1410 case ISPCTL_ABORT_CMD:
1411 xs = (ISP_SCSI_XFER_T *) arg;
1412 for (i = 0; i < RQUEST_QUEUE_LEN; i++) {
1413 if (xs == isp->isp_xflist[i]) {
1414 break;
1415 }
1416 }
1417 if (i == RQUEST_QUEUE_LEN) {
1418 PRINTF("%s: isp_control- cannot find command to abort "
1419 "in active list\n", isp->isp_name);
1420 break;
1421 }
1422 mbs.param[0] = MBOX_ABORT;
1423 #ifdef ISP2100_SCCLUN
1424 if (isp->isp_type & ISP_HA_FC) {
1425 mbs.param[1] = XS_TGT(xs) << 8;
1426 mbs.param[4] = 0;
1427 mbs.param[5] = 0;
1428 mbs.param[6] = XS_LUN(xs);
1429 } else {
1430 mbs.param[1] = XS_TGT(xs) << 8 | XS_LUN(xs);
1431 }
1432 #else
1433 mbs.param[1] = XS_TGT(xs) << 8 | XS_LUN(xs);
1434 #endif
1435 mbs.param[2] = (i+1) >> 16;
1436 mbs.param[3] = (i+1) & 0xffff;
1437 isp_mboxcmd(isp, &mbs);
1438 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
1439 PRINTF("%s: isp_control MBOX_ABORT failure (code %x)\n",
1440 isp->isp_name, mbs.param[0]);
1441 break;
1442 }
1443 PRINTF("%s: command for target %d lun %d was aborted\n",
1444 isp->isp_name, XS_TGT(xs), XS_LUN(xs));
1445 return (0);
1446
1447 case ISPCTL_UPDATE_PARAMS:
1448 isp_update(isp);
1449 return (0);
1450
1451 case ISPCTL_FCLINK_TEST:
1452 return (isp_fclink_test(isp, FC_FW_READY_DELAY));
1453 }
1454 return (-1);
1455 }
1456
1457 /*
1458 * Interrupt Service Routine(s).
1459 *
1460 * External (OS) framework has done the appropriate locking,
1461 * and the locking will be held throughout this function.
1462 */
1463
1464 int
1465 isp_intr(arg)
1466 void *arg;
1467 {
1468 ISP_SCSI_XFER_T *complist[RESULT_QUEUE_LEN], *xs;
1469 struct ispsoftc *isp = arg;
1470 u_int8_t iptr, optr;
1471 u_int16_t isr;
1472 int i, nlooked = 0, ndone = 0;
1473
1474 isr = ISP_READ(isp, BIU_ISR);
1475 if (isp->isp_type & ISP_HA_FC) {
1476 if (isr == 0 || (isr & BIU2100_ISR_RISC_INT) == 0) {
1477 if (isr) {
1478 IDPRINTF(4, ("%s: isp_intr isr=%x\n",
1479 isp->isp_name, isr));
1480 }
1481 return (0);
1482 }
1483 } else {
1484 if (isr == 0 || (isr & BIU_ISR_RISC_INT) == 0) {
1485 if (isr) {
1486 IDPRINTF(4, ("%s: isp_intr isr=%x\n",
1487 isp->isp_name, isr));
1488 }
1489 return (0);
1490 }
1491 }
1492
1493 if (ISP_READ(isp, BIU_SEMA) & 1) {
1494 u_int16_t mbox = ISP_READ(isp, OUTMAILBOX0);
1495 if (mbox & 0x4000) {
1496 IDPRINTF(3, ("%s: isp_intr sees 0x%x\n",
1497 isp->isp_name, mbox));
1498 ISP_WRITE(isp, BIU_SEMA, 0);
1499 } else {
1500 u_int32_t fhandle = isp_parse_async(isp, (int) mbox);
1501 ISP_WRITE(isp, BIU_SEMA, 0);
1502 if (fhandle < 0) {
1503 return (1);
1504 } else if (fhandle > 0) {
1505 xs = (void *)isp->isp_xflist[fhandle - 1];
1506 isp->isp_xflist[fhandle - 1] = NULL;
1507 /*
1508 * Since we don't have a result queue entry
1509 * item, we must believe that SCSI status is
1510 * zero and that all data transferred.
1511 */
1512 XS_RESID(xs) = 0;
1513 XS_STS(xs) = 0;
1514 if (XS_XFRLEN(xs)) {
1515 ISP_DMAFREE(isp, xs, fhandle - 1);
1516 }
1517 if (isp->isp_nactive > 0)
1518 isp->isp_nactive--;
1519 complist[ndone++] = xs;
1520 }
1521 }
1522 }
1523 ISP_WRITE(isp, HCCR, HCCR_CMD_CLEAR_RISC_INT);
1524
1525 optr = isp->isp_residx;
1526 iptr = ISP_READ(isp, OUTMAILBOX5);
1527
1528 if (optr == iptr) {
1529 IDPRINTF(4, ("why intr? isr %x iptr %x optr %x\n",
1530 isr, optr, iptr));
1531 }
1532 ENABLE_INTS(isp);
1533
1534 while (optr != iptr) {
1535 ispstatusreq_t *sp;
1536 u_int8_t oop;
1537 int buddaboom = 0;
1538
1539 sp = (ispstatusreq_t *) ISP_QUEUE_ENTRY(isp->isp_result, optr);
1540 oop = optr;
1541 optr = ISP_NXT_QENTRY(optr, RESULT_QUEUE_LEN);
1542 nlooked++;
1543 MemoryBarrier();
1544 if (sp->req_header.rqs_entry_type != RQSTYPE_RESPONSE) {
1545 if (isp_handle_other_response(isp, sp, &optr) == 0) {
1546 ISP_WRITE(isp, INMAILBOX5, optr);
1547 continue;
1548 }
1549 /*
1550 * It really has to be a bounced request just copied
1551 * from the request queue to the response queue.
1552 */
1553
1554 if (sp->req_header.rqs_entry_type != RQSTYPE_REQUEST) {
1555 ISP_WRITE(isp, INMAILBOX5, optr);
1556 continue;
1557 }
1558 PRINTF("%s: not RESPONSE in RESPONSE Queue "
1559 "(type 0x%x) @ idx %d (next %d)\n", isp->isp_name,
1560 sp->req_header.rqs_entry_type, oop, optr);
1561 buddaboom = 1;
1562 }
1563
1564 if (sp->req_header.rqs_flags & 0xf) {
1565 if (sp->req_header.rqs_flags & RQSFLAG_CONTINUATION) {
1566 ISP_WRITE(isp, INMAILBOX5, optr);
1567 continue;
1568 }
1569 PRINTF("%s: rqs_flags=%x", isp->isp_name,
1570 sp->req_header.rqs_flags & 0xf);
1571 if (sp->req_header.rqs_flags & RQSFLAG_FULL) {
1572 PRINTF("%s: internal queues full\n",
1573 isp->isp_name);
1574 /* XXXX: this command *could* get restarted */
1575 buddaboom++;
1576 }
1577 if (sp->req_header.rqs_flags & RQSFLAG_BADHEADER) {
1578 PRINTF("%s: bad header\n", isp->isp_name);
1579 buddaboom++;
1580 }
1581 if (sp->req_header.rqs_flags & RQSFLAG_BADPACKET) {
1582 PRINTF("%s: bad request packet\n",
1583 isp->isp_name);
1584 buddaboom++;
1585 }
1586 }
1587 if (sp->req_handle > RQUEST_QUEUE_LEN || sp->req_handle < 1) {
1588 PRINTF("%s: bad request handle %d\n", isp->isp_name,
1589 sp->req_handle);
1590 ISP_WRITE(isp, INMAILBOX5, optr);
1591 continue;
1592 }
1593 xs = (void *) isp->isp_xflist[sp->req_handle - 1];
1594 if (xs == NULL) {
1595 PRINTF("%s: NULL xs in xflist (handle %x)\n",
1596 isp->isp_name, sp->req_handle);
1597 isp_dumpxflist(isp);
1598 ISP_WRITE(isp, INMAILBOX5, optr);
1599 continue;
1600 }
1601 isp->isp_xflist[sp->req_handle - 1] = NULL;
1602 if (sp->req_status_flags & RQSTF_BUS_RESET) {
1603 isp->isp_sendmarker = 1;
1604 }
1605 if (buddaboom) {
1606 XS_SETERR(xs, HBA_BOTCH);
1607 }
1608 XS_STS(xs) = sp->req_scsi_status & 0xff;
1609 if (isp->isp_type & ISP_HA_SCSI) {
1610 if (sp->req_state_flags & RQSF_GOT_SENSE) {
1611 MEMCPY(XS_SNSP(xs), sp->req_sense_data,
1612 XS_SNSLEN(xs));
1613 XS_SNS_IS_VALID(xs);
1614 }
1615 /*
1616 * A new synchronous rate was negotiated for this
1617 * target. Mark state such that we'll go look up
1618 * that which has changed later.
1619 */
1620 if (sp->req_status_flags & RQSTF_NEGOTIATION) {
1621 sdparam *sdp = isp->isp_param;
1622 isp->isp_update = 1;
1623 sdp->isp_devparam[XS_TGT(xs)].dev_refresh = 1;
1624 }
1625 } else {
1626 if (XS_STS(xs) == SCSI_CHECK) {
1627 XS_SNS_IS_VALID(xs);
1628 MEMCPY(XS_SNSP(xs), sp->req_sense_data,
1629 XS_SNSLEN(xs));
1630 sp->req_state_flags |= RQSF_GOT_SENSE;
1631 }
1632 }
1633 if (XS_NOERR(xs) && XS_STS(xs) == SCSI_BUSY) {
1634 XS_SETERR(xs, HBA_TGTBSY);
1635 }
1636
1637 if (sp->req_header.rqs_entry_type == RQSTYPE_RESPONSE) {
1638 if (XS_NOERR(xs)) {
1639 if (sp->req_completion_status != RQCS_COMPLETE) {
1640 isp_parse_status(isp, sp, xs);
1641 } else {
1642 XS_SETERR(xs, HBA_NOERROR);
1643 }
1644 }
1645 } else {
1646 PRINTF("%s: unknown return %x\n", isp->isp_name,
1647 sp->req_header.rqs_entry_type);
1648 if (XS_NOERR(xs)) {
1649 XS_SETERR(xs, HBA_BOTCH);
1650 }
1651 }
1652 if (isp->isp_type & ISP_HA_SCSI) {
1653 XS_RESID(xs) = sp->req_resid;
1654 } else if (sp->req_scsi_status & RQCS_RU) {
1655 XS_RESID(xs) = sp->req_resid;
1656 IDPRINTF(4, ("%s: cnt %d rsd %d\n", isp->isp_name,
1657 XS_XFRLEN(xs), sp->req_resid));
1658 }
1659 if (XS_XFRLEN(xs)) {
1660 ISP_DMAFREE(isp, xs, sp->req_handle - 1);
1661 }
1662 /*
1663 * XXX: If we have a check condition, but no Sense Data,
1664 * XXX: mark it as an error (ARQ failed). We need to
1665 * XXX: to do a more distinct job because there may
1666 * XXX: cases where ARQ is disabled.
1667 */
1668 if (XS_STS(xs) == SCSI_CHECK && !(XS_IS_SNS_VALID(xs))) {
1669 if (XS_NOERR(xs)) {
1670 PRINTF("%s: ARQ failure for target %d lun %d\n",
1671 isp->isp_name, XS_TGT(xs), XS_LUN(xs));
1672 XS_SETERR(xs, HBA_ARQFAIL);
1673 }
1674 }
1675 if ((isp->isp_dblev >= 5) ||
1676 (isp->isp_dblev > 2 && !XS_NOERR(xs))) {
1677 PRINTF("%s(%d.%d): FIN%d dl%d resid%d STS %x",
1678 isp->isp_name, XS_TGT(xs), XS_LUN(xs),
1679 sp->req_header.rqs_seqno, XS_XFRLEN(xs),
1680 XS_RESID(xs), XS_STS(xs));
1681 if (sp->req_state_flags & RQSF_GOT_SENSE) {
1682 PRINTF(" Skey: %x", XS_SNSKEY(xs));
1683 if (!(XS_IS_SNS_VALID(xs))) {
1684 PRINTF(" BUT NOT SET");
1685 }
1686 }
1687 PRINTF(" XS_ERR=0x%x\n", (unsigned int) XS_ERR(xs));
1688 }
1689
1690 if (isp->isp_nactive > 0)
1691 isp->isp_nactive--;
1692 complist[ndone++] = xs; /* defer completion call until later */
1693 }
1694
1695 /*
1696 * If we looked at any commands, then it's valid to find out
1697 * what the outpointer is. It also is a trigger to update the
1698 * ISP's notion of what we've seen so far.
1699 */
1700 if (nlooked) {
1701 ISP_WRITE(isp, INMAILBOX5, optr);
1702 isp->isp_reqodx = ISP_READ(isp, OUTMAILBOX4);
1703 }
1704 isp->isp_residx = optr;
1705 for (i = 0; i < ndone; i++) {
1706 xs = complist[i];
1707 if (xs) {
1708 XS_CMD_DONE(xs);
1709 }
1710 }
1711 return (1);
1712 }
1713
1714 /*
1715 * Support routines.
1716 */
1717
1718 static int
1719 isp_parse_async(isp, mbox)
1720 struct ispsoftc *isp;
1721 int mbox;
1722 {
1723 u_int32_t fast_post_handle = 0;
1724
1725 switch (mbox) {
1726 case MBOX_COMMAND_COMPLETE: /* sometimes these show up */
1727 break;
1728 case ASYNC_BUS_RESET:
1729 isp_async(isp, ISPASYNC_BUS_RESET, NULL);
1730 isp->isp_sendmarker = 1;
1731 #ifdef ISP_TARGET_MODE
1732 isp_notify_ack(isp, NULL);
1733 #endif
1734 break;
1735
1736 case ASYNC_SYSTEM_ERROR:
1737 mbox = ISP_READ(isp, OUTMAILBOX1);
1738 PRINTF("%s: Internal FW Error @ RISC Addr 0x%x\n",
1739 isp->isp_name, mbox);
1740 isp_restart(isp);
1741 /* no point continuing after this */
1742 return (-1);
1743
1744 case ASYNC_RQS_XFER_ERR:
1745 PRINTF("%s: Request Queue Transfer Error\n", isp->isp_name);
1746 break;
1747
1748 case ASYNC_RSP_XFER_ERR:
1749 PRINTF("%s: Response Queue Transfer Error\n", isp->isp_name);
1750 break;
1751
1752 case ASYNC_QWAKEUP:
1753 /* don't need to be chatty */
1754 mbox = ISP_READ(isp, OUTMAILBOX4);
1755 break;
1756
1757 case ASYNC_TIMEOUT_RESET:
1758 PRINTF("%s: timeout initiated SCSI bus reset\n", isp->isp_name);
1759 isp->isp_sendmarker = 1;
1760 #ifdef ISP_TARGET_MODE
1761 isp_notify_ack(isp, NULL);
1762 #endif
1763 break;
1764
1765 case ASYNC_DEVICE_RESET:
1766 isp->isp_sendmarker = 1;
1767 PRINTF("%s: device reset\n", isp->isp_name);
1768 #ifdef ISP_TARGET_MODE
1769 isp_notify_ack(isp, NULL);
1770 #endif
1771 break;
1772
1773 case ASYNC_EXTMSG_UNDERRUN:
1774 PRINTF("%s: extended message underrun\n", isp->isp_name);
1775 break;
1776
1777 case ASYNC_SCAM_INT:
1778 PRINTF("%s: SCAM interrupt\n", isp->isp_name);
1779 break;
1780
1781 case ASYNC_HUNG_SCSI:
1782 PRINTF("%s: stalled SCSI Bus after DATA Overrun\n",
1783 isp->isp_name);
1784 /* XXX: Need to issue SCSI reset at this point */
1785 break;
1786
1787 case ASYNC_KILLED_BUS:
1788 PRINTF("%s: SCSI Bus reset after DATA Overrun\n",
1789 isp->isp_name);
1790 break;
1791
1792 case ASYNC_BUS_TRANSIT:
1793 mbox = ISP_READ(isp, OUTMAILBOX2);
1794 switch (mbox & 0x1c00) {
1795 case SXP_PINS_LVD_MODE:
1796 PRINTF("%s: Transition to LVD mode\n", isp->isp_name);
1797 ((sdparam *)isp->isp_param)->isp_diffmode = 0;
1798 ((sdparam *)isp->isp_param)->isp_ultramode = 0;
1799 ((sdparam *)isp->isp_param)->isp_lvdmode = 1;
1800 break;
1801 case SXP_PINS_HVD_MODE:
1802 PRINTF("%s: Transition to Differential mode\n",
1803 isp->isp_name);
1804 ((sdparam *)isp->isp_param)->isp_diffmode = 1;
1805 ((sdparam *)isp->isp_param)->isp_ultramode = 0;
1806 ((sdparam *)isp->isp_param)->isp_lvdmode = 0;
1807 break;
1808 case SXP_PINS_SE_MODE:
1809 PRINTF("%s: Transition to Single Ended mode\n",
1810 isp->isp_name);
1811 ((sdparam *)isp->isp_param)->isp_diffmode = 0;
1812 ((sdparam *)isp->isp_param)->isp_ultramode = 1;
1813 ((sdparam *)isp->isp_param)->isp_lvdmode = 0;
1814 break;
1815 default:
1816 PRINTF("%s: Transition to unknown mode 0x%x\n",
1817 isp->isp_name, mbox);
1818 break;
1819 }
1820 /*
1821 * XXX: Set up to renegotiate again!
1822 */
1823 isp->isp_sendmarker = 1;
1824 break;
1825
1826 case ASYNC_CMD_CMPLT:
1827 fast_post_handle = (ISP_READ(isp, OUTMAILBOX2) << 16) |
1828 ISP_READ(isp, OUTMAILBOX1);
1829 IDPRINTF(3, ("%s: fast post completion of %u\n", isp->isp_name,
1830 fast_post_handle));
1831 break;
1832
1833 case ASYNC_CTIO_DONE:
1834 /* Should only occur when Fast Posting Set for 2100s */
1835 PRINTF("%s: CTIO done\n", isp->isp_name);
1836 break;
1837
1838 case ASYNC_LIP_OCCURRED:
1839 isp->isp_sendmarker = 1;
1840 PRINTF("%s: LIP occurred\n", isp->isp_name);
1841 break;
1842
1843 case ASYNC_LOOP_UP:
1844 isp->isp_sendmarker = 1;
1845 isp_async(isp, ISPASYNC_LOOP_UP, NULL);
1846 break;
1847
1848 case ASYNC_LOOP_DOWN:
1849 isp_async(isp, ISPASYNC_LOOP_DOWN, NULL);
1850 break;
1851
1852 case ASYNC_LOOP_RESET:
1853 isp->isp_sendmarker = 1;
1854 PRINTF("%s: Loop RESET\n", isp->isp_name);
1855 #ifdef ISP_TARGET_MODE
1856 isp_notify_ack(isp, NULL);
1857 #endif
1858 break;
1859
1860 case ASYNC_PDB_CHANGED:
1861 isp->isp_sendmarker = 1;
1862 isp_mark_getpdb_all(isp);
1863 PRINTF("%s: Port Database Changed\n", isp->isp_name);
1864 break;
1865
1866 case ASYNC_CHANGE_NOTIFY:
1867 break;
1868
1869 default:
1870 PRINTF("%s: unknown async code 0x%x\n", isp->isp_name, mbox);
1871 break;
1872 }
1873 return (fast_post_handle);
1874 }
1875
1876 static int
1877 isp_handle_other_response(isp, sp, optrp)
1878 struct ispsoftc *isp;
1879 ispstatusreq_t *sp;
1880 u_int8_t *optrp;
1881 {
1882 u_int8_t iptr, optr;
1883 int reqsize = 0;
1884 void *ireqp = NULL;
1885 #ifdef ISP_TARGET_MODE
1886 union {
1887 at_entry_t *atio;
1888 at2_entry_t *at2io;
1889 ct_entry_t *ctio;
1890 ct2_entry_t *ct2io;
1891 lun_entry_t *lunen;
1892 in_entry_t *inot;
1893 in_fcentry_t *inot_fc;
1894 na_entry_t *nack;
1895 na_fcentry_t *nack_fc;
1896 void *voidp;
1897 #define atio un.atio
1898 #define at2io un.at2io
1899 #define ctio un.ctio
1900 #define ct2io un.ct2io
1901 #define lunen un.lunen
1902 #define inot un.inot
1903 #define inot_fc un.inot_fc
1904 #define nack un.nack
1905 #define nack_fc un.nack_fc
1906 } un;
1907
1908 un.voidp = sp;
1909 #endif
1910
1911
1912 switch (sp->req_header.rqs_entry_type) {
1913 case RQSTYPE_REQUEST:
1914 return (-1);
1915 #ifdef ISP_TARGET_MODE
1916 case RQSTYPE_NOTIFY_ACK:
1917 {
1918 static const char *f =
1919 "%s: Notify Ack Status 0x%x Sequence Id 0x%x\n"
1920 /*
1921 * The ISP is acknowleding our ack of an Immediate Notify.
1922 */
1923 if (isp->isp_type & ISP_HA_FC) {
1924 PRINTF(f, isp->isp_name,
1925 nack_fc->na-status, nack_fc->na_seqid);
1926 } else {
1927 PRINTF(f, isp->isp_name,
1928 nack->na_status, nack->na_seqid);
1929 }
1930 break;
1931 }
1932 case RQSTYPE_NOTIFY:
1933 {
1934 u_int16_t seqid, status;
1935
1936 /*
1937 * Either the ISP received a SCSI message it cannot handle
1938 * or some other out of band condition (e.g., Port Logout)
1939 * or it is returning an Immediate Notify entry we sent.
1940 */
1941 if (isp->isp_type & ISP_HA_FC) {
1942 status = inot_fc->status;
1943 seqid = inot_fc->in_seqid;
1944 } else {
1945 status = inot->status;
1946 seqid = inot->seqid & 0xff;
1947 }
1948 PRINTF("%s: Immediate Notify Status 0x%x Sequence Id 0x%x\n",
1949 isp->isp_name, status, seqid);
1950
1951 switch (status) {
1952 case IN_MSG_RECEIVED:
1953 case IN_IDE_RECEIVED:
1954 ptisp_got_msg(ptp, &inot);
1955 break;
1956 case IN_RSRC_UNAVAIL:
1957 PRINTF("%s: Firmware out of ATIOs\n", isp->isp_name);
1958 break;
1959 case IN_ABORT_TASK:
1960 PRINTF("%s: Abort Task iid %d rx_id 0x%x\n",
1961 inot_fc->in_iid, seqid);
1962 break;
1963 case IN_PORT_LOGOUT:
1964 PRINTF("%s: Port Logout for Initiator %d\n",
1965 isp->isp_name, inot_fc->in_iid);
1966 break;
1967 default:
1968 PRINTF("%s: bad status (0x%x) in Immediate Notify\n",
1969 isp->isp_name, status);
1970 break;
1971
1972 }
1973 isp_notify_ack(isp, un.voidp);
1974 reqsize = 0;
1975 break;
1976 }
1977 case RQSTYPE_ENABLE_LUN:
1978 case RQSTYPE_MODIFY_LUN:
1979 if (lunen->req_status != 1) {
1980 PRINTF("%s: ENABLE/MODIFY LUN returned status 0x%x\n",
1981 isp->isp_name, lunen->req_status);
1982 }
1983 break;
1984 case RQSTYPE_ATIO2:
1985 {
1986 fcparam *fcp = isp->isp_param;
1987 ispctiot2_t local, *ct2 = NULL;
1988 ispatiot2_t *at2 = (ispatiot2_t *) sp;
1989 int s, lun;
1990
1991 #ifdef ISP2100_SCCLUN
1992 lun = at2->req_scclun;
1993 #else
1994 lun = at2->req_lun;
1995 #endif
1996 PRINTF("%s: atio2 loopid %d for lun %d rxid 0x%x flags0x%x "
1997 "tflags0x%x ecodes0x%x rqstatus0x%x\n", isp->isp_name,
1998 at2->req_initiator, lun, at2->req_rxid,
1999 at2->req_flags, at2->req_taskflags, at2->req_execodes,
2000 at2->req_status);
2001
2002 switch (at2->req_status & ~ATIO_SENSEVALID) {
2003 case ATIO_PATH_INVALID:
2004 PRINTF("%s: ATIO2 Path Invalid\n", isp->isp_name);
2005 break;
2006 case ATIO_NOCAP:
2007 PRINTF("%s: ATIO2 No Cap\n", isp->isp_name);
2008 break;
2009 case ATIO_BDR_MSG:
2010 PRINTF("%s: ATIO2 BDR Received\n", isp->isp_name);
2011 break;
2012 case ATIO_CDB_RECEIVED:
2013 ct2 = &local;
2014 break;
2015 default:
2016 PRINTF("%s: unknown req_status 0x%x\n", isp->isp_name,
2017 at2->req_status);
2018 break;
2019 }
2020 if (ct2 == NULL) {
2021 /*
2022 * Just do an ACCEPT on this fellow.
2023 */
2024 at2->req_header.rqs_entry_type = RQSTYPE_ATIO2;
2025 at2->req_header.rqs_flags = 0;
2026 at2->req_flags = 1;
2027 ireqp = at2;
2028 reqsize = sizeof (*at2);
2029 break;
2030 }
2031 PRINTF("%s: datalen %d cdb0=0x%x\n", isp->isp_name,
2032 at2->req_datalen, at2->req_cdb[0]);
2033 MEMZERO((void *) ct2, sizeof (*ct2));
2034 ct2->req_header.rqs_entry_type = RQSTYPE_CTIO2;
2035 ct2->req_header.rqs_entry_count = 1;
2036 ct2->req_header.rqs_flags = 0;
2037 ct2->req_header.rqs_seqno = isp->isp_seqno++;
2038 ct2->req_handle = (at2->req_initiator << 16) | lun;
2039 #ifndef ISP2100_SCCLUN
2040 ct2->req_lun = lun;
2041 #endif
2042 ct2->req_initiator = at2->req_initiator;
2043 ct2->req_rxid = at2->req_rxid;
2044
2045 ct2->req_flags = CTIO_SEND_STATUS;
2046 switch (at2->req_cdb[0]) {
2047 case 0x0: /* TUR */
2048 ct2->req_flags |= CTIO_NODATA | CTIO2_SMODE0;
2049 ct2->req_m.mode0.req_scsi_status = CTIO2_STATUS_VALID;
2050 break;
2051
2052 case 0x3: /* REQUEST SENSE */
2053 case 0x12: /* INQUIRE */
2054 ct2->req_flags |= CTIO_SEND_DATA | CTIO2_SMODE0;
2055 ct2->req_m.mode0.req_scsi_status = CTIO2_STATUS_VALID;
2056 ct2->req_seg_count = 1;
2057 if (at2->req_cdb[0] == 0x12) {
2058 s = sizeof (tgtiqd);
2059 MEMCPY(fcp->isp_scratch, tgtiqd, s);
2060 } else {
2061 s = at2->req_datalen;
2062 MEMZERO(fcp->isp_scratch, s);
2063 }
2064 ct2->req_m.mode0.req_dataseg[0].ds_base =
2065 fcp->isp_scdma;
2066 ct2->req_m.mode0.req_dataseg[0].ds_count = s;
2067 ct2->req_m.mode0.req_datalen = s;
2068 #if 1
2069 if (at2->req_datalen < s) {
2070 ct2->req_m.mode1.req_scsi_status |=
2071 CTIO2_RESP_VALID|CTIO2_RSPOVERUN;
2072 } else if (at2->req_datalen > s) {
2073 ct2->req_m.mode1.req_scsi_status |=
2074 CTIO2_RESP_VALID|CTIO2_RSPUNDERUN;
2075 }
2076 #endif
2077 break;
2078
2079 default: /* ALL OTHERS */
2080 ct2->req_flags |= CTIO_NODATA | CTIO2_SMODE1;
2081 ct2->req_m.mode1.req_scsi_status = 0;
2082 #if 1
2083 if (at2->req_datalen) {
2084 ct2->req_m.mode1.req_scsi_status |=
2085 CTIO2_RSPUNDERUN;
2086 #if BYTE_ORDER == BIG_ENDIAN
2087 ct2->req_resid[1] = at2->req_datalen & 0xff;
2088 ct2->req_resid[0] =
2089 (at2->req_datalen >> 8) & 0xff;
2090 ct2->req_resid[3] =
2091 (at2->req_datalen >> 16) & 0xff;
2092 ct2->req_resid[2] =
2093 (at2->req_datalen >> 24) & 0xff;
2094 #else
2095 ct2->req_resid[0] = at2->req_datalen & 0xff;
2096 ct2->req_resid[1] =
2097 (at2->req_datalen >> 8) & 0xff;
2098 ct2->req_resid[2] =
2099 (at2->req_datalen >> 16) & 0xff;
2100 ct2->req_resid[3] =
2101 (at2->req_datalen >> 24) & 0xff;
2102 #endif
2103 }
2104 #endif
2105 if ((at2->req_status & ATIO_SENSEVALID) == 0) {
2106 ct2->req_m.mode1.req_sense_len = 18;
2107 ct2->req_m.mode1.req_scsi_status |= 2;
2108 ct2->req_m.mode1.req_response[0] = 0x70;
2109 ct2->req_m.mode1.req_response[2] = 0x2;
2110 } else {
2111 ct2->req_m.mode1.req_sense_len = 18;
2112 ct2->req_m.mode1.req_scsi_status |=
2113 at2->req_scsi_status;
2114 MEMCPY(ct2->req_m.mode1.req_response,
2115 at2->req_sense, sizeof (at2->req_sense));
2116 }
2117 break;
2118 }
2119 reqsize = sizeof (*ct2);
2120 ireqp = ct2;
2121 break;
2122 }
2123 case RQSTYPE_CTIO2:
2124 {
2125 ispatiot2_t *at2;
2126 ispctiot2_t *ct2 = (ispctiot2_t *) sp;
2127 PRINTF("%s: CTIO2 returned status 0x%x\n", isp->isp_name,
2128 ct2->req_status);
2129 /*
2130 * Return the ATIO to the board.
2131 */
2132 at2 = (ispatiot2_t *) sp;
2133 at2->req_header.rqs_entry_type = RQSTYPE_ATIO2;
2134 at2->req_header.rqs_entry_count = 1;
2135 at2->req_header.rqs_flags = 0;
2136 at2->req_header.rqs_seqno = isp->isp_seqno++;
2137 at2->req_status = 1;
2138 reqsize = sizeof (*at2);
2139 ireqp = at2;
2140 break;
2141 }
2142 #undef atio
2143 #undef at2io
2144 #undef ctio
2145 #undef ct2io
2146 #undef lunen
2147 #undef inot
2148 #undef inot_fc
2149 #undef nack
2150 #undef nack_fc
2151 #endif
2152 default:
2153 PRINTF("%s: other response type %x\n", isp->isp_name,
2154 sp->req_header.rqs_entry_type);
2155 break;
2156 }
2157 if (reqsize) {
2158 void *reqp;
2159 optr = isp->isp_reqodx = ISP_READ(isp, OUTMAILBOX4);
2160 iptr = isp->isp_reqidx;
2161 reqp = (void *) ISP_QUEUE_ENTRY(isp->isp_rquest, iptr);
2162 iptr = ISP_NXT_QENTRY(iptr, RQUEST_QUEUE_LEN);
2163 if (iptr == optr) {
2164 PRINTF("%s: Request Queue Overflow other response\n",
2165 isp->isp_name);
2166 } else {
2167 MEMCPY(reqp, ireqp, reqsize);
2168 ISP_WRITE(isp, INMAILBOX4, iptr);
2169 isp->isp_reqidx = iptr;
2170 }
2171 }
2172 return (0);
2173 }
2174
2175 #ifdef ISP_TARGET_MODE
2176
2177 static void isp_tmd_newcmd_dflt __P((void *, tmd_cmd_t *));
2178 static void isp_tmd_event_dflt __P((void *, int));
2179 static void isp_tmd_notify_dflt __P((void *, tmd_notify_t *));
2180
2181 static void isp_tgt_data_xfer __P ((tmd_cmd_t *));
2182 static void isp_tgt_endcmd __P ((tmd_cmd_t *, u_int8_t));
2183 static void isp_tgt_done __P ((tmd_cmd_t *));
2184
2185 static void
2186 isp_tmd_newcmd_dflt(arg0, cmdp)
2187 void *arg0;
2188 tmd_cmd_t *cmdp;
2189 {
2190 }
2191
2192 static void
2193 isp_tmd_event_dflt(arg0, event)
2194 void *arg0;
2195 int event;
2196 {
2197 }
2198
2199 static void
2200 isp_tmd_notify_dflt(arg0, npt)
2201 void *arg0;
2202 tmd_notify_t *npt;
2203 {
2204 }
2205
2206 /*
2207 * Locks held, and ints disabled (if FC).
2208 *
2209 * XXX: SETUP ONLY FOR INITIAL ENABLING RIGHT NOW
2210 */
2211 static int
2212 isp_modify_lun(isp, lun, icnt, ccnt)
2213 struct ispsoftc *isp;
2214 int lun; /* logical unit to enable, modify, or disable */
2215 int icnt; /* immediate notify count */
2216 int ccnt; /* command count */
2217 {
2218 isplun_t *ip = NULL;
2219 u_int8_t iptr, optr;
2220
2221 optr = isp->isp_reqodx = ISP_READ(isp, OUTMAILBOX4);
2222 iptr = isp->isp_reqidx;
2223 ip = (isplun_t *) ISP_QUEUE_ENTRY(isp->isp_rquest, iptr);
2224 iptr = ISP_NXT_QENTRY(iptr, RQUEST_QUEUE_LEN);
2225 if (iptr == optr) {
2226 PRINTF("%s: Request Queue Overflow in isp_modify_lun\n",
2227 isp->isp_name);
2228 return (-1);
2229 }
2230
2231 MEMZERO((void *) ip, sizeof (*ip));
2232 ip->req_header.rqs_entry_type = RQSTYPE_ENABLE_LUN;
2233 ip->req_header.rqs_entry_count = 1;
2234 ip->req_header.rqs_seqno = isp->isp_seqno++;
2235 ip->req_handle = RQSTYPE_ENABLE_LUN;
2236 if (isp->isp_type & ISP_HA_SCSI) {
2237 ip->req_lun = lun;
2238 }
2239 ip->req_cmdcount = ccnt;
2240 ip->req_imcount = icnt;
2241 ip->req_timeout = 0; /* default 30 seconds */
2242 ISP_WRITE(isp, INMAILBOX4, iptr);
2243 isp->isp_reqidx = iptr;
2244 return (0);
2245 }
2246
2247 static void
2248 isp_notify_ack(isp, ptrp)
2249 struct ispsoftc *isp;
2250 void *ptrp;
2251 {
2252 void *reqp;
2253 u_int8_t iptr, optr;
2254 union {
2255 na_fcentry_t _naf;
2256 na_entry_t _nas;
2257 } un;
2258
2259 MEMZERO((caddr_t)&un, sizeof (un));
2260 un._nas.na_header.rqs_entry_type = RQSTYPE_NOTIFY_ACK;
2261 un._nas.na_header.rqs_entry_count = 1;
2262
2263 if (isp->isp_type & ISP_HA_FC) {
2264 na_fcentry_t *na = &un._nas;
2265 if (ptrp) {
2266 in_fcentry_t *inp = ptrp;
2267 na->na_iid = inp->in_iid;
2268 na->na_lun = inp->in_lun;
2269 na->na_task_flags = inp->in_task_flags;
2270 na->na_seqid = inp->in_seqid;
2271 na->na_status = inp->in_status;
2272 } else {
2273 na->na_flags = NAFC_RST_CLRD;
2274 }
2275 } else {
2276 na_entry_t *na = &un._nas;
2277 if (ptrp) {
2278 in_entry_t *inp = ptrp;
2279 na->na_iid = inp->in_iid;
2280 na->na_lun = inp->in_lun;
2281 na->na_tgt = inp->in_tgt;
2282 na->na_seqid = inp->in_seqid;
2283 } else {
2284 na->na_flags = NA_RST_CLRD;
2285 }
2286 }
2287 optr = isp->isp_reqodx = ISP_READ(isp, OUTMAILBOX4);
2288 iptr = isp->isp_reqidx;
2289 reqp = (void *) ISP_QUEUE_ENTRY(isp->isp_rquest, iptr);
2290 iptr = ISP_NXT_QENTRY(iptr, RQUEST_QUEUE_LEN);
2291 if (iptr == optr) {
2292 PRINTF("%s: Request Queue Overflow For isp_notify_ack\n",
2293 isp->isp_name);
2294 } else {
2295 MEMCPY(reqp, ireqp, sizeof (un));
2296 ISP_WRITE(isp, INMAILBOX4, iptr);
2297 isp->isp_reqidx = iptr;
2298 }
2299 }
2300
2301 /*
2302 * These are dummy stubs for now until the outside framework is plugged in.
2303 */
2304
2305 static void
2306 isp_handle_atio (isp, aep)
2307 struct ispsoftc *isp;
2308 at_entry_t *aep;
2309 {
2310 int status, connected;
2311 tmd_cmd_t local, *cdp = &local;
2312
2313 /*
2314 * Get the ATIO status and see if we're still connected.
2315 */
2316 status = aep->at_status;
2317 connected = ((aep->at_flags & AT_NODISC) != 0);
2318
2319 PRINTF("%s: ATIO status=0x%x, connected=%d\n", isp->isp_name,
2320 status, connected);
2321
2322 /*
2323 * The firmware status (except for the SenseValid bit) indicates
2324 * why this ATIO was sent to us.
2325 * If SenseValid is set, the firware has recommended Sense Data.
2326 * If the Disconnects Disabled bit is set in the flags field,
2327 * we're still connected on the SCSI bus - i.e. the initiator
2328 * did not set DiscPriv in the identify message. We don't care
2329 * about this so it's ignored.
2330 */
2331 switch (status & ~TGTSVALID) {
2332 case AT_PATH_INVALID:
2333 /*
2334 * ATIO rejected by the firmware due to disabled lun.
2335 */
2336 PRINTF("%s: Firmware rejected ATIO for disabled lun %d\n",
2337 isp->isp_name, aep->at_lun);
2338 break;
2339
2340 case AT_PHASE_ERROR:
2341 /*
2342 * Bus Pase Sequence error.
2343 *
2344 * The firmware should have filled in the correct
2345 * sense data.
2346 */
2347
2348
2349 if (status & TGTSVALID) {
2350 MEMCPY(&cdp->cd_sensedata, aep->at_sense,
2351 sizeof (cdp->cd_sensedata));
2352 PRINTF("%s: Bus Phase Sequence error key 0x%x\n",
2353 isp->isp_name, cdp->cd_sensedata[2] & 0xf);
2354 } else {
2355 PRINTF("%s: Bus Phase Sequence With No Sense\n",
2356 isp->isp_name);
2357 }
2358 (*isp->isp_tmd_newcmd)(isp, cdp);
2359 break;
2360
2361 case AT_NOCAP:
2362 /*
2363 * Requested Capability not available
2364 * We sent an ATIO that overflowed the firmware's
2365 * command resource count.
2366 */
2367 PRINTF("%s: Firmware rejected ATIO, command count overflow\n",
2368 isp->isp_name);
2369 break;
2370
2371 case AT_BDR_MSG:
2372 /*
2373 * If we send an ATIO to the firmware to increment
2374 * its command resource count, and the firmware is
2375 * recovering from a Bus Device Reset, it returns
2376 * the ATIO with this status.
2377 */
2378 PRINTF("%s: ATIO returned with BDR received\n", isp->isp_name);
2379 break;
2380
2381 case AT_CDB:
2382 /*
2383 * New CDB
2384 */
2385 cdp->cd_hba = isp;
2386 cdp->cd_iid = aep->at_iid;
2387 cdp->cd_tgt = aep->at_tgt;
2388 cdp->cd_lun = aep->at_lun;
2389 cdp->cd_tagtype = aep->at_tag_type;
2390 cdp->cd_tagval = aep->at_tag_val;
2391 MEMCPY(cdp->cd_cdb, aep->at_cdb, 16);
2392 PRINTF("%s: CDB 0x%x itl %d/%d/%d\n", isp->isp_name,
2393 cdp->cd_cdb[0], cdp->cd_iid, cdp->cd_tgt, cdp->cd_lun);
2394 (*isp->isp_tmd_newcmd)(isp, cdp);
2395 break;
2396
2397 default:
2398 PRINTF("%s: Unknown status (0x%x) in ATIO\n",
2399 isp->isp_name, status);
2400 cdp->cd_hba = isp;
2401 cdp->cd_iid = aep->at_iid;
2402 cdp->cd_tgt = aep->at_tgt;
2403 cdp->cd_lun = aep->at_lun;
2404 cdp->cd_tagtype = aep->at_tag_type;
2405 cdp->cd_tagval = aep->at_tag_val;
2406 isp_tgtcmd_done(cdp);
2407 break;
2408 }
2409 }
2410
2411 static void
2412 isp_handle_atio2(isp, aep)
2413 struct ispsoftc *isp;
2414 at2_entry_t *aep;
2415 {
2416 int status;
2417 tmd_cmd_t local, *cdp = &local;
2418
2419 /*
2420 * Get the ATIO2 status.
2421 */
2422 status = aep->at_status;
2423 PRINTD("%s: ATIO2 status=0x%x\n", status);
2424
2425 /*
2426 * The firmware status (except for the SenseValid bit) indicates
2427 * why this ATIO was sent to us.
2428 * If SenseValid is set, the firware has recommended Sense Data.
2429 */
2430 switch (status & ~TGTSVALID) {
2431 case AT_PATH_INVALID:
2432 /*
2433 * ATIO rejected by the firmware due to disabled lun.
2434 */
2435 PRINTF("%s: Firmware rejected ATIO2 for disabled lun %d\n",
2436 isp->isp_name, aep->at_lun);
2437 break;
2438
2439 case AT_NOCAP:
2440 /*
2441 * Requested Capability not available
2442 * We sent an ATIO that overflowed the firmware's
2443 * command resource count.
2444 */
2445 PRINTF("%s: Firmware rejected ATIO2, command count overflow\n",
2446 isp->isp_name);
2447 break;
2448
2449 case AT_BDR_MSG:
2450 /*
2451 * If we send an ATIO to the firmware to increment
2452 * its command resource count, and the firmware is
2453 * recovering from a Bus Device Reset, it returns
2454 * the ATIO with this status.
2455 */
2456 PRINTF("%s: ATIO2 returned with BDR rcvd\n", isp->isp_name);
2457 break;
2458
2459 case AT_CDB:
2460 /*
2461 * New CDB
2462 */
2463 cdp->cd_hba = isp;
2464 cdp->cd_iid = aep->at_iid;
2465 cdp->cd_tgt = 0;
2466 cdp->cd_lun = aep->at_lun;
2467 MEMCPY(cdp->cd_cdb, aep->at_cdb, 16);
2468 cdp->cd_rxid = aep->at_rxid;
2469 cdp->cp_origdlen = aep->at_datalen;
2470 cdp->cp_totbytes = 0;
2471 PRINTF("%s: CDB 0x%x rx_id 0x%x itl %d/%d/%d dlen %d\n",
2472 isp->isp_name, cdp->cd_cdb[0], cdp->cd_tagval, cdp->cd_iid,
2473 cdp->cd_tgt, cdp->cd_lun, aep->at_datalen);
2474 (*isp->isp_tmd_newcmd)(isp, cdp);
2475 break;
2476
2477 default:
2478 PRINTF("%s: Unknown status (0x%x) in ATIO2\n",
2479 isp->isp_name, status);
2480 cdp->cd_hba = isp;
2481 cdp->cd_iid = aep->at_iid;
2482 cdp->cd_tgt = aep->at_tgt;
2483 cdp->cd_lun = aep->at_lun;
2484 cdp->cp_rxid = aep->at_rxid;
2485 isp_tgtcmd_done(cdp);
2486 break;
2487 }
2488 }
2489
2490 static void
2491 isp_handle_ctio(isp, cep)
2492 struct ispsoftc *isp;
2493 ct_entry_t *aep;
2494 {
2495 }
2496
2497 static void
2498 isp_handle_ctio2(isp, cep)
2499 struct ispsoftc *isp;
2500 at2_entry_t *aep;
2501 {
2502 }
2503 #endif
2504
2505 static void
2506 isp_parse_status(isp, sp, xs)
2507 struct ispsoftc *isp;
2508 ispstatusreq_t *sp;
2509 ISP_SCSI_XFER_T *xs;
2510 {
2511 switch (sp->req_completion_status) {
2512 case RQCS_COMPLETE:
2513 XS_SETERR(xs, HBA_NOERROR);
2514 return;
2515
2516 case RQCS_INCOMPLETE:
2517 if ((sp->req_state_flags & RQSF_GOT_TARGET) == 0) {
2518 IDPRINTF(3, ("%s: Selection Timeout for target %d\n",
2519 isp->isp_name, XS_TGT(xs)));
2520 XS_SETERR(xs, HBA_SELTIMEOUT);
2521 return;
2522 }
2523 PRINTF("%s: command incomplete for target %d lun %d, state "
2524 "0x%x\n", isp->isp_name, XS_TGT(xs), XS_LUN(xs),
2525 sp->req_state_flags);
2526 break;
2527
2528 case RQCS_DMA_ERROR:
2529 PRINTF("%s: DMA error for command on target %d, lun %d\n",
2530 isp->isp_name, XS_TGT(xs), XS_LUN(xs));
2531 break;
2532
2533 case RQCS_TRANSPORT_ERROR:
2534 PRINTF("%s: transport error\n", isp->isp_name);
2535 isp_prtstst(sp);
2536 break;
2537
2538 case RQCS_RESET_OCCURRED:
2539 IDPRINTF(2, ("%s: bus reset destroyed command for target %d "
2540 "lun %d\n", isp->isp_name, XS_TGT(xs), XS_LUN(xs)));
2541 isp->isp_sendmarker = 1;
2542 XS_SETERR(xs, HBA_BUSRESET);
2543 return;
2544
2545 case RQCS_ABORTED:
2546 PRINTF("%s: command aborted for target %d lun %d\n",
2547 isp->isp_name, XS_TGT(xs), XS_LUN(xs));
2548 isp->isp_sendmarker = 1;
2549 XS_SETERR(xs, HBA_ABORTED);
2550 return;
2551
2552 case RQCS_TIMEOUT:
2553 IDPRINTF(2, ("%s: command timed out for target %d lun %d\n",
2554 isp->isp_name, XS_TGT(xs), XS_LUN(xs)));
2555 XS_SETERR(xs, HBA_CMDTIMEOUT);
2556 return;
2557
2558 case RQCS_DATA_OVERRUN:
2559 if (isp->isp_type & ISP_HA_FC) {
2560 XS_RESID(xs) = sp->req_resid;
2561 break;
2562 }
2563 XS_SETERR(xs, HBA_DATAOVR);
2564 return;
2565
2566 case RQCS_COMMAND_OVERRUN:
2567 PRINTF("%s: command overrun for command on target %d, lun %d\n",
2568 isp->isp_name, XS_TGT(xs), XS_LUN(xs));
2569 break;
2570
2571 case RQCS_STATUS_OVERRUN:
2572 PRINTF("%s: status overrun for command on target %d, lun %d\n",
2573 isp->isp_name, XS_TGT(xs), XS_LUN(xs));
2574 break;
2575
2576 case RQCS_BAD_MESSAGE:
2577 PRINTF("%s: message not COMMAND COMPLETE after status on "
2578 "target %d, lun %d\n", isp->isp_name, XS_TGT(xs),
2579 XS_LUN(xs));
2580 break;
2581
2582 case RQCS_NO_MESSAGE_OUT:
2583 PRINTF("%s: No MESSAGE OUT phase after selection on "
2584 "target %d, lun %d\n", isp->isp_name, XS_TGT(xs),
2585 XS_LUN(xs));
2586 break;
2587
2588 case RQCS_EXT_ID_FAILED:
2589 PRINTF("%s: EXTENDED IDENTIFY failed on target %d, lun %d\n",
2590 isp->isp_name, XS_TGT(xs), XS_LUN(xs));
2591 break;
2592
2593 case RQCS_IDE_MSG_FAILED:
2594 PRINTF("%s: target %d lun %d rejected INITIATOR DETECTED "
2595 "ERROR message\n", isp->isp_name, XS_TGT(xs), XS_LUN(xs));
2596 break;
2597
2598 case RQCS_ABORT_MSG_FAILED:
2599 PRINTF("%s: target %d lun %d rejected ABORT message\n",
2600 isp->isp_name, XS_TGT(xs), XS_LUN(xs));
2601 break;
2602
2603 case RQCS_REJECT_MSG_FAILED:
2604 PRINTF("%s: target %d lun %d rejected MESSAGE REJECT message\n",
2605 isp->isp_name, XS_TGT(xs), XS_LUN(xs));
2606 break;
2607
2608 case RQCS_NOP_MSG_FAILED:
2609 PRINTF("%s: target %d lun %d rejected NOP message\n",
2610 isp->isp_name, XS_TGT(xs), XS_LUN(xs));
2611 break;
2612
2613 case RQCS_PARITY_ERROR_MSG_FAILED:
2614 PRINTF("%s: target %d lun %d rejected MESSAGE PARITY ERROR "
2615 "message\n", isp->isp_name, XS_TGT(xs), XS_LUN(xs));
2616 break;
2617
2618 case RQCS_DEVICE_RESET_MSG_FAILED:
2619 PRINTF("%s: target %d lun %d rejected BUS DEVICE RESET "
2620 "message\n", isp->isp_name, XS_TGT(xs), XS_LUN(xs));
2621 break;
2622
2623 case RQCS_ID_MSG_FAILED:
2624 PRINTF("%s: target %d lun %d rejected IDENTIFY "
2625 "message\n", isp->isp_name, XS_TGT(xs), XS_LUN(xs));
2626 break;
2627
2628 case RQCS_UNEXP_BUS_FREE:
2629 PRINTF("%s: target %d lun %d had an unexpected bus free\n",
2630 isp->isp_name, XS_TGT(xs), XS_LUN(xs));
2631 break;
2632
2633 case RQCS_DATA_UNDERRUN:
2634 if (isp->isp_type & ISP_HA_FC) {
2635 XS_RESID(xs) = sp->req_resid;
2636 /* an UNDERRUN is not a botch ??? */
2637 }
2638 XS_SETERR(xs, HBA_NOERROR);
2639 return;
2640
2641 case RQCS_XACT_ERR1:
2642 PRINTF("%s: HBA attempted queued transaction with disconnect "
2643 "not set for target %d lun %d\n", isp->isp_name, XS_TGT(xs),
2644 XS_LUN(xs));
2645 break;
2646
2647 case RQCS_XACT_ERR2:
2648 PRINTF("%s: HBA attempted queued transaction to target "
2649 "routine %d on target %d\n", isp->isp_name, XS_LUN(xs),
2650 XS_TGT(xs));
2651 break;
2652
2653 case RQCS_XACT_ERR3:
2654 PRINTF("%s: HBA attempted queued transaction for target %d lun "
2655 "%d when queueing disabled\n", isp->isp_name, XS_TGT(xs),
2656 XS_LUN(xs));
2657 break;
2658
2659 case RQCS_BAD_ENTRY:
2660 PRINTF("%s: invalid IOCB entry type detected\n", isp->isp_name);
2661 break;
2662
2663 case RQCS_QUEUE_FULL:
2664 PRINTF("%s: internal queues full for target %d lun %d "
2665 "status 0x%x\n", isp->isp_name, XS_TGT(xs), XS_LUN(xs),
2666 XS_STS(xs));
2667 /*
2668 * If QFULL or some other status byte is set, then this
2669 * isn't an error, per se.
2670 */
2671 if (XS_STS(xs) != 0) {
2672 XS_SETERR(xs, HBA_NOERROR);
2673 return;
2674 }
2675 break;
2676
2677 case RQCS_PHASE_SKIPPED:
2678 PRINTF("%s: SCSI phase skipped (e.g., COMMAND COMPLETE w/o "
2679 "STATUS phase) for target %d lun %d\n", isp->isp_name,
2680 XS_TGT(xs), XS_LUN(xs));
2681 break;
2682
2683 case RQCS_ARQS_FAILED:
2684 PRINTF("%s: Auto Request Sense failed for target %d lun %d\n",
2685 isp->isp_name, XS_TGT(xs), XS_LUN(xs));
2686 XS_SETERR(xs, HBA_ARQFAIL);
2687 return;
2688
2689 case RQCS_WIDE_FAILED:
2690 PRINTF("%s: Wide Negotiation failed for target %d lun %d\n",
2691 isp->isp_name, XS_TGT(xs), XS_LUN(xs));
2692 if (isp->isp_type & ISP_HA_SCSI) {
2693 sdparam *sdp = isp->isp_param;
2694 isp->isp_update = 1;
2695 sdp->isp_devparam[XS_TGT(xs)].dev_flags &= ~DPARM_WIDE;
2696 sdp->isp_devparam[XS_TGT(xs)].dev_update = 1;
2697 }
2698 XS_SETERR(xs, HBA_NOERROR);
2699 return;
2700
2701 case RQCS_SYNCXFER_FAILED:
2702 PRINTF("%s: SDTR Message failed for target %d lun %d\n",
2703 isp->isp_name, XS_TGT(xs), XS_LUN(xs));
2704 if (isp->isp_type & ISP_HA_SCSI) {
2705 sdparam *sdp = isp->isp_param;
2706 isp->isp_update = 1;
2707 sdp->isp_devparam[XS_TGT(xs)].dev_flags &= ~DPARM_SYNC;
2708 sdp->isp_devparam[XS_TGT(xs)].dev_update = 1;
2709 }
2710 break;
2711
2712 case RQCS_LVD_BUSERR:
2713 PRINTF("%s: Bad LVD Bus condition while talking to target %d "
2714 "lun %d\n", isp->isp_name, XS_TGT(xs), XS_LUN(xs));
2715 break;
2716
2717 case RQCS_PORT_UNAVAILABLE:
2718 /*
2719 * No such port on the loop. Moral equivalent of SELTIMEO
2720 */
2721 IDPRINTF(3, ("%s: Port Unavailable for target %d\n",
2722 isp->isp_name, XS_TGT(xs)));
2723 XS_SETERR(xs, HBA_SELTIMEOUT);
2724 return;
2725
2726 case RQCS_PORT_LOGGED_OUT:
2727 /*
2728 * It was there (maybe)- treat as a selection timeout.
2729 */
2730 PRINTF("%s: port logout for target %d\n",
2731 isp->isp_name, XS_TGT(xs));
2732 XS_SETERR(xs, HBA_SELTIMEOUT);
2733 return;
2734
2735 case RQCS_PORT_CHANGED:
2736 PRINTF("%s: port changed for target %d\n",
2737 isp->isp_name, XS_TGT(xs));
2738 break;
2739
2740 case RQCS_PORT_BUSY:
2741 PRINTF("%s: port busy for target %d\n",
2742 isp->isp_name, XS_TGT(xs));
2743 XS_SETERR(xs, HBA_TGTBSY);
2744 return;
2745
2746 default:
2747 PRINTF("%s: comp status %x\n", isp->isp_name,
2748 sp->req_completion_status);
2749 break;
2750 }
2751 XS_SETERR(xs, HBA_BOTCH);
2752 }
2753
2754 static void
2755 isp_fastpost_complete(isp, fph)
2756 struct ispsoftc *isp;
2757 int fph;
2758 {
2759 ISP_SCSI_XFER_T *xs;
2760
2761 if (fph < 1)
2762 return;
2763 xs = (ISP_SCSI_XFER_T *) isp->isp_xflist[fph - 1];
2764 isp->isp_xflist[fph - 1] = NULL;
2765 if (xs == NULL) {
2766 PRINTF("%s: fast posting handle 0x%x not found\n",
2767 isp->isp_name, fph - 1);
2768 return;
2769 }
2770 /*
2771 * Since we don't have a result queue entry item,
2772 * we must believe that SCSI status is zero and
2773 * that all data transferred.
2774 */
2775 XS_RESID(xs) = 0;
2776 XS_STS(xs) = 0;
2777 if (XS_XFRLEN(xs)) {
2778 ISP_DMAFREE(isp, xs, fph - 1);
2779 }
2780 XS_CMD_DONE(xs);
2781 }
2782
2783 #define HINIB(x) ((x) >> 0x4)
2784 #define LONIB(x) ((x) & 0xf)
2785 #define MAKNIB(a, b) (((a) << 4) | (b))
2786 static u_int8_t mbpcnt[] = {
2787 MAKNIB(1, 1), /* 0x00: MBOX_NO_OP */
2788 MAKNIB(5, 5), /* 0x01: MBOX_LOAD_RAM */
2789 MAKNIB(2, 0), /* 0x02: MBOX_EXEC_FIRMWARE */
2790 MAKNIB(5, 5), /* 0x03: MBOX_DUMP_RAM */
2791 MAKNIB(3, 3), /* 0x04: MBOX_WRITE_RAM_WORD */
2792 MAKNIB(2, 3), /* 0x05: MBOX_READ_RAM_WORD */
2793 MAKNIB(6, 6), /* 0x06: MBOX_MAILBOX_REG_TEST */
2794 MAKNIB(2, 3), /* 0x07: MBOX_VERIFY_CHECKSUM */
2795 MAKNIB(1, 3), /* 0x08: MBOX_ABOUT_FIRMWARE */
2796 MAKNIB(0, 0), /* 0x09: */
2797 MAKNIB(0, 0), /* 0x0a: */
2798 MAKNIB(0, 0), /* 0x0b: */
2799 MAKNIB(0, 0), /* 0x0c: */
2800 MAKNIB(0, 0), /* 0x0d: */
2801 MAKNIB(1, 2), /* 0x0e: MBOX_CHECK_FIRMWARE */
2802 MAKNIB(0, 0), /* 0x0f: */
2803 MAKNIB(5, 5), /* 0x10: MBOX_INIT_REQ_QUEUE */
2804 MAKNIB(6, 6), /* 0x11: MBOX_INIT_RES_QUEUE */
2805 MAKNIB(4, 4), /* 0x12: MBOX_EXECUTE_IOCB */
2806 MAKNIB(2, 2), /* 0x13: MBOX_WAKE_UP */
2807 MAKNIB(1, 6), /* 0x14: MBOX_STOP_FIRMWARE */
2808 MAKNIB(4, 4), /* 0x15: MBOX_ABORT */
2809 MAKNIB(2, 2), /* 0x16: MBOX_ABORT_DEVICE */
2810 MAKNIB(3, 3), /* 0x17: MBOX_ABORT_TARGET */
2811 MAKNIB(3, 1), /* 0x18: MBOX_BUS_RESET */
2812 MAKNIB(2, 3), /* 0x19: MBOX_STOP_QUEUE */
2813 MAKNIB(2, 3), /* 0x1a: MBOX_START_QUEUE */
2814 MAKNIB(2, 3), /* 0x1b: MBOX_SINGLE_STEP_QUEUE */
2815 MAKNIB(2, 3), /* 0x1c: MBOX_ABORT_QUEUE */
2816 MAKNIB(2, 4), /* 0x1d: MBOX_GET_DEV_QUEUE_STATUS */
2817 MAKNIB(0, 0), /* 0x1e: */
2818 MAKNIB(1, 3), /* 0x1f: MBOX_GET_FIRMWARE_STATUS */
2819 MAKNIB(1, 3), /* 0x20: MBOX_GET_INIT_SCSI_ID, MBOX_GET_LOOP_ID */
2820 MAKNIB(1, 2), /* 0x21: MBOX_GET_SELECT_TIMEOUT */
2821 MAKNIB(1, 3), /* 0x22: MBOX_GET_RETRY_COUNT */
2822 MAKNIB(1, 2), /* 0x23: MBOX_GET_TAG_AGE_LIMIT */
2823 MAKNIB(1, 2), /* 0x24: MBOX_GET_CLOCK_RATE */
2824 MAKNIB(1, 2), /* 0x25: MBOX_GET_ACT_NEG_STATE */
2825 MAKNIB(1, 2), /* 0x26: MBOX_GET_ASYNC_DATA_SETUP_TIME */
2826 MAKNIB(1, 3), /* 0x27: MBOX_GET_PCI_PARAMS */
2827 MAKNIB(2, 4), /* 0x28: MBOX_GET_TARGET_PARAMS */
2828 MAKNIB(2, 4), /* 0x29: MBOX_GET_DEV_QUEUE_PARAMS */
2829 MAKNIB(0, 0), /* 0x2a: */
2830 MAKNIB(0, 0), /* 0x2b: */
2831 MAKNIB(0, 0), /* 0x2c: */
2832 MAKNIB(0, 0), /* 0x2d: */
2833 MAKNIB(0, 0), /* 0x2e: */
2834 MAKNIB(0, 0), /* 0x2f: */
2835 MAKNIB(2, 2), /* 0x30: MBOX_SET_INIT_SCSI_ID */
2836 MAKNIB(2, 2), /* 0x31: MBOX_SET_SELECT_TIMEOUT */
2837 MAKNIB(3, 3), /* 0x32: MBOX_SET_RETRY_COUNT */
2838 MAKNIB(2, 2), /* 0x33: MBOX_SET_TAG_AGE_LIMIT */
2839 MAKNIB(2, 2), /* 0x34: MBOX_SET_CLOCK_RATE */
2840 MAKNIB(2, 2), /* 0x35: MBOX_SET_ACTIVE_NEG_STATE */
2841 MAKNIB(2, 2), /* 0x36: MBOX_SET_ASYNC_DATA_SETUP_TIME */
2842 MAKNIB(3, 3), /* 0x37: MBOX_SET_PCI_CONTROL_PARAMS */
2843 MAKNIB(4, 4), /* 0x38: MBOX_SET_TARGET_PARAMS */
2844 MAKNIB(4, 4), /* 0x39: MBOX_SET_DEV_QUEUE_PARAMS */
2845 MAKNIB(0, 0), /* 0x3a: */
2846 MAKNIB(0, 0), /* 0x3b: */
2847 MAKNIB(0, 0), /* 0x3c: */
2848 MAKNIB(0, 0), /* 0x3d: */
2849 MAKNIB(0, 0), /* 0x3e: */
2850 MAKNIB(0, 0), /* 0x3f: */
2851 MAKNIB(1, 2), /* 0x40: MBOX_RETURN_BIOS_BLOCK_ADDR */
2852 MAKNIB(6, 1), /* 0x41: MBOX_WRITE_FOUR_RAM_WORDS */
2853 MAKNIB(2, 3), /* 0x42: MBOX_EXEC_BIOS_IOCB */
2854 MAKNIB(0, 0), /* 0x43: */
2855 MAKNIB(0, 0), /* 0x44: */
2856 MAKNIB(0, 0), /* 0x45: */
2857 MAKNIB(0, 0), /* 0x46: */
2858 MAKNIB(0, 0), /* 0x47: */
2859 MAKNIB(0, 0), /* 0x48: */
2860 MAKNIB(0, 0), /* 0x49: */
2861 MAKNIB(2, 1), /* 0x4a: MBOX_SET_FIRMWARE_FEATURES */
2862 MAKNIB(1, 2), /* 0x4b: MBOX_GET_FIRMWARE_FEATURES */
2863 MAKNIB(0, 0), /* 0x4c: */
2864 MAKNIB(0, 0), /* 0x4d: */
2865 MAKNIB(0, 0), /* 0x4e: */
2866 MAKNIB(0, 0), /* 0x4f: */
2867 MAKNIB(0, 0), /* 0x50: */
2868 MAKNIB(0, 0), /* 0x51: */
2869 MAKNIB(0, 0), /* 0x52: */
2870 MAKNIB(0, 0), /* 0x53: */
2871 MAKNIB(8, 0), /* 0x54: MBOX_EXEC_COMMAND_IOCB_A64 */
2872 MAKNIB(0, 0), /* 0x55: */
2873 MAKNIB(0, 0), /* 0x56: */
2874 MAKNIB(0, 0), /* 0x57: */
2875 MAKNIB(0, 0), /* 0x58: */
2876 MAKNIB(0, 0), /* 0x59: */
2877 MAKNIB(0, 0), /* 0x5a: */
2878 MAKNIB(0, 0), /* 0x5b: */
2879 MAKNIB(0, 0), /* 0x5c: */
2880 MAKNIB(0, 0), /* 0x5d: */
2881 MAKNIB(0, 0), /* 0x5e: */
2882 MAKNIB(0, 0), /* 0x5f: */
2883 MAKNIB(8, 6), /* 0x60: MBOX_INIT_FIRMWARE */
2884 MAKNIB(0, 0), /* 0x60: MBOX_GET_INIT_CONTROL_BLOCK (FORMAT?) */
2885 MAKNIB(2, 1), /* 0x62: MBOX_INIT_LIP */
2886 MAKNIB(8, 1), /* 0x63: MBOX_GET_FC_AL_POSITION_MAP */
2887 MAKNIB(8, 1), /* 0x64: MBOX_GET_PORT_DB */
2888 MAKNIB(3, 1), /* 0x65: MBOX_CLEAR_ACA */
2889 MAKNIB(3, 1), /* 0x66: MBOX_TARGET_RESET */
2890 MAKNIB(3, 1), /* 0x67: MBOX_CLEAR_TASK_SET */
2891 MAKNIB(3, 1), /* 0x68: MBOX_ABORT_TASK_SET */
2892 MAKNIB(1, 2), /* 0x69: MBOX_GET_FW_STATE */
2893 MAKNIB(2, 8), /* 0x6a: MBOX_GET_PORT_NAME */
2894 MAKNIB(8, 1), /* 0x6b: MBOX_GET_LINK_STATUS */
2895 MAKNIB(4, 4), /* 0x6c: MBOX_INIT_LIP_RESET */
2896 MAKNIB(0, 0), /* 0x6d: */
2897 MAKNIB(0, 0), /* 0x6e: */
2898 MAKNIB(0, 0), /* 0x6f: */
2899 MAKNIB(0, 0), /* 0x70: */
2900 MAKNIB(0, 0), /* 0x71: */
2901 MAKNIB(4, 1) /* 0x72: MBOX_INIT_LIP_LOGIN */
2902 };
2903 #define NMBCOM (sizeof (mbpcnt) / sizeof (mbpcnt[0]))
2904
2905 static void
2906 isp_mboxcmd(isp, mbp)
2907 struct ispsoftc *isp;
2908 mbreg_t *mbp;
2909 {
2910 int outparam, inparam;
2911 int loops, dld = 0;
2912 u_int8_t opcode;
2913
2914 if (mbp->param[0] == ISP2100_SET_PCI_PARAM) {
2915 opcode = mbp->param[0] = MBOX_SET_PCI_PARAMETERS;
2916 inparam = 4;
2917 outparam = 4;
2918 goto command_known;
2919 } else if (mbp->param[0] > NMBCOM) {
2920 PRINTF("%s: bad command %x\n", isp->isp_name, mbp->param[0]);
2921 return;
2922 }
2923
2924 opcode = mbp->param[0];
2925 inparam = HINIB(mbpcnt[mbp->param[0]]);
2926 outparam = LONIB(mbpcnt[mbp->param[0]]);
2927
2928 if (inparam == 0 && outparam == 0) {
2929 PRINTF("%s: no parameters for %x\n", isp->isp_name,
2930 mbp->param[0]);
2931 return;
2932 }
2933
2934
2935 /*
2936 * Check for variants
2937 */
2938 #ifdef ISP2100_SCCLUN
2939 if (isp->isp_type & ISP_HA_FC) {
2940 switch (mbp->param[0]) {
2941 case MBOX_ABORT:
2942 inparam = 7;
2943 break;
2944 case MBOX_ABORT_DEVICE:
2945 case MBOX_START_QUEUE:
2946 case MBOX_STOP_QUEUE:
2947 case MBOX_SINGLE_STEP_QUEUE:
2948 case MBOX_ABORT_QUEUE:
2949 case MBOX_GET_DEV_QUEUE_STATUS:
2950 inparam = 3;
2951 break;
2952 default:
2953 break;
2954 }
2955 }
2956 #endif
2957
2958 command_known:
2959
2960 /*
2961 * Set semaphore on mailbox registers to win any races to acquire them.
2962 */
2963 ISP_WRITE(isp, BIU_SEMA, 1);
2964
2965 /*
2966 * Make sure we can send some words. Check to see id there's
2967 * an async mbox event pending.
2968 */
2969
2970 loops = MBOX_DELAY_COUNT;
2971 while ((ISP_READ(isp, HCCR) & HCCR_HOST_INT) != 0) {
2972 SYS_DELAY(100);
2973 if (ISP_READ(isp, BIU_SEMA) & 1) {
2974 int fph;
2975 u_int16_t mbox = ISP_READ(isp, OUTMAILBOX0);
2976 /*
2977 * We have a pending MBOX async event.
2978 */
2979 if (mbox & 0x8000) {
2980 fph = isp_parse_async(isp, (int) mbox);
2981 ISP_WRITE(isp, BIU_SEMA, 0);
2982 ISP_WRITE(isp, HCCR, HCCR_CMD_CLEAR_RISC_INT);
2983 if (fph < 0) {
2984 return;
2985 } else if (fph > 0) {
2986 isp_fastpost_complete(isp, fph);
2987 }
2988 SYS_DELAY(100);
2989 goto command_known;
2990 }
2991 /*
2992 * We have a pending MBOX completion? Might be
2993 * from a previous command. We can't (sometimes)
2994 * just clear HOST INTERRUPT, so we'll just silently
2995 * eat this here.
2996 */
2997 if (mbox == MBOX_COMMAND_COMPLETE) {
2998 ISP_WRITE(isp, BIU_SEMA, 0);
2999 ISP_WRITE(isp, HCCR, HCCR_CMD_CLEAR_RISC_INT);
3000 SYS_DELAY(100);
3001 goto command_known;
3002 }
3003 }
3004 if (--loops < 0) {
3005 if (dld++ > 10) {
3006 PRINTF("%s: isp_mboxcmd could not get command "
3007 "started\n", isp->isp_name);
3008 return;
3009 }
3010 ISP_WRITE(isp, BIU_SEMA, 0);
3011 ISP_WRITE(isp, HCCR, HCCR_CMD_CLEAR_RISC_INT);
3012 goto command_known;
3013 }
3014 }
3015
3016 /*
3017 * If we're a 1080 or a 1240, make sure that for a couple of commands
3018 * the port parameter is set. This is sort of a temporary solution
3019 * to do it here rather than every place a mailbox command is formed.
3020 */
3021 if (IS_1080(isp) || IS_12X0(isp)) {
3022 switch (mbp->param[0]) {
3023 case MBOX_BUS_RESET:
3024 mbp->param[2] = isp->isp_port;
3025 break;
3026 default:
3027 break;
3028 }
3029 }
3030
3031 /*
3032 * Write input parameters.
3033 */
3034 switch (inparam) {
3035 case 8: ISP_WRITE(isp, INMAILBOX7, mbp->param[7]); mbp->param[7] = 0;
3036 case 7: ISP_WRITE(isp, INMAILBOX6, mbp->param[6]); mbp->param[6] = 0;
3037 case 6:
3038 /*
3039 * The Qlogic 2100 cannot have registers 4 and 5 written to
3040 * after initialization or BAD THINGS HAPPEN (tm).
3041 */
3042 if (IS_SCSI(isp) || mbp->param[0] == MBOX_INIT_FIRMWARE)
3043 ISP_WRITE(isp, INMAILBOX5, mbp->param[5]);
3044 mbp->param[5] = 0;
3045 case 5:
3046 if (IS_SCSI(isp) || mbp->param[0] == MBOX_INIT_FIRMWARE)
3047 ISP_WRITE(isp, INMAILBOX4, mbp->param[4]);
3048 mbp->param[4] = 0;
3049 case 4: ISP_WRITE(isp, INMAILBOX3, mbp->param[3]); mbp->param[3] = 0;
3050 case 3: ISP_WRITE(isp, INMAILBOX2, mbp->param[2]); mbp->param[2] = 0;
3051 case 2: ISP_WRITE(isp, INMAILBOX1, mbp->param[1]); mbp->param[1] = 0;
3052 case 1: ISP_WRITE(isp, INMAILBOX0, mbp->param[0]); mbp->param[0] = 0;
3053 }
3054
3055 /*
3056 * Clear RISC int condition.
3057 */
3058 ISP_WRITE(isp, HCCR, HCCR_CMD_CLEAR_RISC_INT);
3059
3060 /*
3061 * Clear semaphore on mailbox registers so that the Qlogic
3062 * may update outgoing registers.
3063 */
3064 ISP_WRITE(isp, BIU_SEMA, 0);
3065
3066 ENABLE_INTS(isp);
3067 /*
3068 * Set Host Interrupt condition so that RISC will pick up mailbox regs.
3069 */
3070 ISP_WRITE(isp, HCCR, HCCR_CMD_SET_HOST_INT);
3071
3072 /*
3073 * Wait until HOST INT has gone away (meaning that the Qlogic
3074 * has picked up the mailbox command. Wait a long time.
3075 */
3076 loops = MBOX_DELAY_COUNT * 5;
3077 while ((ISP_READ(isp, HCCR) & HCCR_CMD_CLEAR_RISC_INT) != 0) {
3078 SYS_DELAY(100);
3079 if (--loops < 0) {
3080 PRINTF("%s: isp_mboxcmd timeout #2\n", isp->isp_name);
3081 return;
3082 }
3083 }
3084
3085 /*
3086 * While the Semaphore registers isn't set, wait for the Qlogic
3087 * to process the mailbox command. Again- wait a long time.
3088 */
3089 loops = MBOX_DELAY_COUNT * 5;
3090 while ((ISP_READ(isp, BIU_SEMA) & 1) == 0) {
3091 SYS_DELAY(100);
3092 /*
3093 * Wierd- I've seen the case where the semaphore register
3094 * isn't getting set- sort of a violation of the protocol..
3095 */
3096 if (ISP_READ(isp, OUTMAILBOX0) & 0x4000)
3097 break;
3098 if (--loops < 0) {
3099 PRINTF("%s: isp_mboxcmd timeout #3\n", isp->isp_name);
3100 return;
3101 }
3102 }
3103
3104 /*
3105 * Make sure that the MBOX_BUSY has gone away
3106 */
3107 loops = MBOX_DELAY_COUNT;
3108 for (;;) {
3109 u_int16_t mbox = ISP_READ(isp, OUTMAILBOX0);
3110 if (mbox == MBOX_BUSY) {
3111 if (--loops < 0) {
3112 PRINTF("%s: isp_mboxcmd timeout #4\n",
3113 isp->isp_name);
3114 return;
3115 }
3116 SYS_DELAY(100);
3117 continue;
3118 }
3119 /*
3120 * We have a pending MBOX async event.
3121 */
3122 if (mbox & 0x8000) {
3123 int fph = isp_parse_async(isp, (int) mbox);
3124 ISP_WRITE(isp, BIU_SEMA, 0);
3125 ISP_WRITE(isp, HCCR, HCCR_CMD_CLEAR_RISC_INT);
3126 if (fph < 0) {
3127 return;
3128 } else if (fph > 0) {
3129 isp_fastpost_complete(isp, fph);
3130 }
3131 SYS_DELAY(100);
3132 continue;
3133 }
3134 break;
3135 }
3136
3137 /*
3138 * Pick up output parameters.
3139 */
3140 switch (outparam) {
3141 case 8: mbp->param[7] = ISP_READ(isp, OUTMAILBOX7);
3142 case 7: mbp->param[6] = ISP_READ(isp, OUTMAILBOX6);
3143 case 6: mbp->param[5] = ISP_READ(isp, OUTMAILBOX5);
3144 case 5: mbp->param[4] = ISP_READ(isp, OUTMAILBOX4);
3145 case 4: mbp->param[3] = ISP_READ(isp, OUTMAILBOX3);
3146 case 3: mbp->param[2] = ISP_READ(isp, OUTMAILBOX2);
3147 case 2: mbp->param[1] = ISP_READ(isp, OUTMAILBOX1);
3148 case 1: mbp->param[0] = ISP_READ(isp, OUTMAILBOX0);
3149 }
3150
3151 /*
3152 * Clear RISC int.
3153 */
3154 ISP_WRITE(isp, HCCR, HCCR_CMD_CLEAR_RISC_INT);
3155
3156 /*
3157 * Release semaphore on mailbox registers
3158 */
3159 ISP_WRITE(isp, BIU_SEMA, 0);
3160
3161 /*
3162 * Just to be chatty here...
3163 */
3164 switch (mbp->param[0]) {
3165 case MBOX_COMMAND_COMPLETE:
3166 break;
3167 case MBOX_INVALID_COMMAND:
3168 IDPRINTF(2, ("%s: mbox cmd %x failed with INVALID_COMMAND\n",
3169 isp->isp_name, opcode));
3170 break;
3171 case MBOX_HOST_INTERFACE_ERROR:
3172 PRINTF("%s: mbox cmd %x failed with HOST_INTERFACE_ERROR\n",
3173 isp->isp_name, opcode);
3174 break;
3175 case MBOX_TEST_FAILED:
3176 PRINTF("%s: mbox cmd %x failed with TEST_FAILED\n",
3177 isp->isp_name, opcode);
3178 break;
3179 case MBOX_COMMAND_ERROR:
3180 PRINTF("%s: mbox cmd %x failed with COMMAND_ERROR\n",
3181 isp->isp_name, opcode);
3182 break;
3183 case MBOX_COMMAND_PARAM_ERROR:
3184 switch (opcode) {
3185 case MBOX_GET_PORT_DB:
3186 case MBOX_GET_PORT_NAME:
3187 case MBOX_GET_DEV_QUEUE_PARAMS:
3188 break;
3189 default:
3190 PRINTF("%s: mbox cmd %x failed with "
3191 "COMMAND_PARAM_ERROR\n", isp->isp_name, opcode);
3192 }
3193 break;
3194
3195 /*
3196 * Be silent about these...
3197 */
3198
3199 case ASYNC_LIP_OCCURRED:
3200 case ASYNC_LOOP_UP:
3201 case ASYNC_LOOP_DOWN:
3202 case ASYNC_LOOP_RESET:
3203 case ASYNC_CHANGE_NOTIFY:
3204 break;
3205 case ASYNC_PDB_CHANGED:
3206 isp_mark_getpdb_all(isp);
3207 break;
3208
3209 default:
3210 /*
3211 * The expected return of EXEC_FIRMWARE is zero.
3212 */
3213 if ((opcode == MBOX_EXEC_FIRMWARE && mbp->param[0] != 0) ||
3214 (opcode != MBOX_EXEC_FIRMWARE)) {
3215 PRINTF("%s: mbox cmd %x failed with error %x\n",
3216 isp->isp_name, opcode, mbp->param[0]);
3217 }
3218 break;
3219 }
3220 }
3221
3222 void
3223 isp_lostcmd(isp, xs)
3224 struct ispsoftc *isp;
3225 ISP_SCSI_XFER_T *xs;
3226 {
3227 mbreg_t mbs;
3228
3229 mbs.param[0] = MBOX_GET_FIRMWARE_STATUS;
3230 isp_mboxcmd(isp, &mbs);
3231 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
3232 isp_dumpregs(isp, "couldn't GET FIRMWARE STATUS");
3233 return;
3234 }
3235 if (mbs.param[1]) {
3236 PRINTF("%s: %d commands on completion queue\n",
3237 isp->isp_name, mbs.param[1]);
3238 }
3239 if (XS_NULL(xs))
3240 return;
3241
3242 mbs.param[0] = MBOX_GET_DEV_QUEUE_STATUS;
3243 mbs.param[1] = (XS_TGT(xs) << 8) | XS_LUN(xs);
3244 isp_mboxcmd(isp, &mbs);
3245 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
3246 isp_dumpregs(isp, "couldn't GET DEVICE QUEUE STATUS");
3247 return;
3248 }
3249 PRINTF("%s: lost command for target %d lun %d, %d active of %d, "
3250 "Queue State: %x\n", isp->isp_name, XS_TGT(xs),
3251 XS_LUN(xs), mbs.param[2], mbs.param[3], mbs.param[1]);
3252
3253 isp_dumpregs(isp, "lost command");
3254 /*
3255 * XXX: Need to try and do something to recover.
3256 */
3257 }
3258
3259 static void
3260 isp_dumpregs(isp, msg)
3261 struct ispsoftc *isp;
3262 const char *msg;
3263 {
3264 PRINTF("%s: %s\n", isp->isp_name, msg);
3265 if (isp->isp_type & ISP_HA_SCSI)
3266 PRINTF(" biu_conf1=%x", ISP_READ(isp, BIU_CONF1));
3267 else
3268 PRINTF(" biu_csr=%x", ISP_READ(isp, BIU2100_CSR));
3269 PRINTF(" biu_icr=%x biu_isr=%x biu_sema=%x ", ISP_READ(isp, BIU_ICR),
3270 ISP_READ(isp, BIU_ISR), ISP_READ(isp, BIU_SEMA));
3271 PRINTF("risc_hccr=%x\n", ISP_READ(isp, HCCR));
3272
3273
3274 if (isp->isp_type & ISP_HA_SCSI) {
3275 ISP_WRITE(isp, HCCR, HCCR_CMD_PAUSE);
3276 PRINTF(" cdma_conf=%x cdma_sts=%x cdma_fifostat=%x\n",
3277 ISP_READ(isp, CDMA_CONF), ISP_READ(isp, CDMA_STATUS),
3278 ISP_READ(isp, CDMA_FIFO_STS));
3279 PRINTF(" ddma_conf=%x ddma_sts=%x ddma_fifostat=%x\n",
3280 ISP_READ(isp, DDMA_CONF), ISP_READ(isp, DDMA_STATUS),
3281 ISP_READ(isp, DDMA_FIFO_STS));
3282 PRINTF(" sxp_int=%x sxp_gross=%x sxp(scsi_ctrl)=%x\n",
3283 ISP_READ(isp, SXP_INTERRUPT),
3284 ISP_READ(isp, SXP_GROSS_ERR),
3285 ISP_READ(isp, SXP_PINS_CONTROL));
3286 ISP_WRITE(isp, HCCR, HCCR_CMD_RELEASE);
3287 }
3288 PRINTF(" mbox regs: %x %x %x %x %x\n",
3289 ISP_READ(isp, OUTMAILBOX0), ISP_READ(isp, OUTMAILBOX1),
3290 ISP_READ(isp, OUTMAILBOX2), ISP_READ(isp, OUTMAILBOX3),
3291 ISP_READ(isp, OUTMAILBOX4));
3292 ISP_DUMPREGS(isp);
3293 }
3294
3295 static void
3296 isp_dumpxflist(isp)
3297 struct ispsoftc *isp;
3298 {
3299 volatile ISP_SCSI_XFER_T *xs;
3300 int i, hdp;
3301
3302 for (hdp = i = 0; i < RQUEST_QUEUE_LEN; i++) {
3303 xs = isp->isp_xflist[i];
3304 if (xs == NULL) {
3305 continue;
3306 }
3307 if (hdp == 0) {
3308 PRINTF("%s: active requests\n", isp->isp_name);
3309 hdp++;
3310 }
3311 PRINTF(" Active Handle %d: tgt %d lun %d dlen %d\n",
3312 i+1, XS_TGT(xs), XS_LUN(xs), XS_XFRLEN(xs));
3313 }
3314 }
3315
3316 static void
3317 isp_fw_state(isp)
3318 struct ispsoftc *isp;
3319 {
3320 mbreg_t mbs;
3321 if (isp->isp_type & ISP_HA_FC) {
3322 int once = 0;
3323 fcparam *fcp = isp->isp_param;
3324 again:
3325 mbs.param[0] = MBOX_GET_FW_STATE;
3326 isp_mboxcmd(isp, &mbs);
3327 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
3328 switch (mbs.param[0]) {
3329 case ASYNC_PDB_CHANGED:
3330 isp_mark_getpdb_all(isp);
3331 /* FALL THROUGH */
3332 case ASYNC_LIP_OCCURRED:
3333 case ASYNC_LOOP_UP:
3334 case ASYNC_LOOP_DOWN:
3335 case ASYNC_LOOP_RESET:
3336 case ASYNC_CHANGE_NOTIFY:
3337 if (once++ < 2) {
3338 goto again;
3339 }
3340 break;
3341 }
3342 isp_dumpregs(isp, "GET FIRMWARE STATE failed");
3343 return;
3344 }
3345 fcp->isp_fwstate = mbs.param[1];
3346 }
3347 }
3348
3349 static void
3350 isp_update(isp)
3351 struct ispsoftc *isp;
3352 {
3353 int tgt;
3354 mbreg_t mbs;
3355 sdparam *sdp;
3356
3357 isp->isp_update = 0;
3358
3359 if (isp->isp_type & ISP_HA_FC) {
3360 return;
3361 }
3362
3363 sdp = isp->isp_param;
3364 for (tgt = 0; tgt < MAX_TARGETS; tgt++) {
3365 u_int16_t flags, period, offset, changed;
3366 int get;
3367
3368 if (sdp->isp_devparam[tgt].dev_enable == 0) {
3369 continue;
3370 }
3371
3372 /*
3373 * If the goal is to update the status of the device,
3374 * take what's in dev_flags and try and set the device
3375 * toward that. Otherwise, if we're just refreshing the
3376 * current device state, get the current parameters.
3377 */
3378 if (sdp->isp_devparam[tgt].dev_update) {
3379 mbs.param[0] = MBOX_SET_TARGET_PARAMS;
3380 mbs.param[2] = sdp->isp_devparam[tgt].dev_flags;
3381 mbs.param[3] =
3382 (sdp->isp_devparam[tgt].sync_offset << 8) |
3383 (sdp->isp_devparam[tgt].sync_period);
3384 sdp->isp_devparam[tgt].dev_update = 0;
3385 /*
3386 * A command completion later that has
3387 * RQSTF_NEGOTIATION set will cause
3388 * the dev_refresh/announce cycle.
3389 *
3390 * Note: It is really important to update our current
3391 * flags with at least the state of TAG capabilities-
3392 * otherwise we might try and send a tagged command
3393 * when we have it all turned off. So change it here
3394 * to say that current already matches goal.
3395 */
3396 sdp->isp_devparam[tgt].cur_dflags &= ~DPARM_TQING;
3397 sdp->isp_devparam[tgt].cur_dflags |=
3398 (sdp->isp_devparam[tgt].dev_flags & DPARM_TQING);
3399 get = 0;
3400 } else if (sdp->isp_devparam[tgt].dev_refresh) {
3401 mbs.param[0] = MBOX_GET_TARGET_PARAMS;
3402 sdp->isp_devparam[tgt].dev_refresh = 0;
3403 get = 1;
3404 } else {
3405 continue;
3406 }
3407 mbs.param[1] = tgt << 8;
3408 isp_mboxcmd(isp, &mbs);
3409 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
3410 PRINTF("%s: failed to %cet SCSI parameters for "
3411 "target %d\n", isp->isp_name, (get)? 'g' : 's',
3412 tgt);
3413 continue;
3414 }
3415
3416 if (get == 0) {
3417 /*
3418 * XXX: Need a SYNC_TARGET for efficiency...
3419 */
3420 isp->isp_sendmarker = 1;
3421 continue;
3422 }
3423 flags = mbs.param[2];
3424 period = mbs.param[3] & 0xff;
3425 offset = mbs.param[3] >> 8;
3426 if (sdp->isp_devparam[tgt].cur_dflags != flags ||
3427 sdp->isp_devparam[tgt].cur_period != period ||
3428 sdp->isp_devparam[tgt].cur_offset != offset) {
3429 IDPRINTF(3, ("%s: tgt %d flags 0x%x period %d "
3430 "off %d\n", isp->isp_name, tgt, flags,
3431 period, offset));
3432 changed = 1;
3433 } else {
3434 changed = 0;
3435 }
3436 sdp->isp_devparam[tgt].cur_dflags = flags;
3437 sdp->isp_devparam[tgt].cur_period = period;
3438 sdp->isp_devparam[tgt].cur_offset = offset;
3439 if (sdp->isp_devparam[tgt].dev_announced == 0 || changed) {
3440 if (isp_async(isp, ISPASYNC_NEW_TGT_PARAMS, &tgt))
3441 sdp->isp_devparam[tgt].dev_announced = 0;
3442 else
3443 sdp->isp_devparam[tgt].dev_announced = 1;
3444 }
3445 }
3446 }
3447
3448 static void
3449 isp_setdfltparm(isp)
3450 struct ispsoftc *isp;
3451 {
3452 int tgt;
3453 mbreg_t mbs;
3454 sdparam *sdp;
3455
3456 /*
3457 * Been there, done that, got the T-shirt...
3458 */
3459 if (isp->isp_gotdparms) {
3460 IDPRINTF(3, ("%s: already have dparms\n", isp->isp_name));
3461 return;
3462 }
3463 isp->isp_gotdparms = 1;
3464
3465 /*
3466 * If we've not been told to avoid reading NVRAM, try and read it.
3467 * If we're successful reading it, we can return since NVRAM will
3468 * tell us the right thing to do. Otherwise, establish some reasonable
3469 * defaults.
3470 */
3471
3472 if ((isp->isp_confopts & ISP_CFG_NONVRAM) == 0) {
3473 if (isp_read_nvram(isp) == 0) {
3474 return;
3475 }
3476 }
3477 if (IS_FC(isp)) {
3478 fcparam *fcp = (fcparam *) isp->isp_param;
3479 fcp->isp_maxfrmlen = ICB_DFLT_FRMLEN;
3480 fcp->isp_maxalloc = 256;
3481 fcp->isp_execthrottle = 16;
3482 fcp->isp_retry_delay = 5;
3483 fcp->isp_retry_count = 0;
3484 /*
3485 * It would be nice to fake up a WWN in case we don't
3486 * get one out of NVRAM. Solaris does this for SOCAL
3487 * cards that don't have SBus properties- it sets up
3488 * a WWN based upon the system MAC Address.
3489 */
3490 fcp->isp_wwn = 0;
3491 return;
3492 }
3493
3494 sdp = (sdparam *) isp->isp_param;
3495 mbs.param[0] = MBOX_GET_ACT_NEG_STATE;
3496 isp_mboxcmd(isp, &mbs);
3497 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
3498 IDPRINTF(2, ("could not GET ACT NEG STATE\n"));
3499 sdp->isp_req_ack_active_neg = 1;
3500 sdp->isp_data_line_active_neg = 1;
3501 } else {
3502 sdp->isp_req_ack_active_neg = (mbs.param[1] >> 4) & 0x1;
3503 sdp->isp_data_line_active_neg = (mbs.param[1] >> 5) & 0x1;
3504 }
3505
3506 /*
3507 * The trick here is to establish a default for the default (honk!)
3508 * state (dev_flags). Then try and get the current status from
3509 * the card to fill in the current state. We don't, in fact, set
3510 * the default to the SAFE default state- that's not the goal state.
3511 */
3512 for (tgt = 0; tgt < MAX_TARGETS; tgt++) {
3513 sdp->isp_devparam[tgt].cur_offset = 0;
3514 sdp->isp_devparam[tgt].cur_period = 0;
3515 sdp->isp_devparam[tgt].dev_flags = DPARM_DEFAULT;
3516 sdp->isp_devparam[tgt].cur_dflags = 0;
3517 if (isp->isp_type < ISP_HA_SCSI_1040 ||
3518 (sdp->isp_clock && sdp->isp_clock < 60)) {
3519 sdp->isp_devparam[tgt].sync_offset =
3520 ISP_10M_SYNCPARMS >> 8;
3521 sdp->isp_devparam[tgt].sync_period =
3522 ISP_10M_SYNCPARMS & 0xff;
3523 } else if (IS_1080(isp)) {
3524 sdp->isp_devparam[tgt].sync_offset =
3525 ISP_40M_SYNCPARMS >> 8;
3526 sdp->isp_devparam[tgt].sync_period =
3527 ISP_40M_SYNCPARMS & 0xff;
3528 } else {
3529 sdp->isp_devparam[tgt].sync_offset =
3530 ISP_20M_SYNCPARMS >> 8;
3531 sdp->isp_devparam[tgt].sync_period =
3532 ISP_20M_SYNCPARMS & 0xff;
3533 }
3534
3535 /*
3536 * Don't get current target parameters if we've been
3537 * told not to use NVRAM- it's really the same thing.
3538 */
3539 if (isp->isp_confopts & ISP_CFG_NONVRAM) {
3540 continue;
3541 }
3542
3543 mbs.param[0] = MBOX_GET_TARGET_PARAMS;
3544 mbs.param[1] = tgt << 8;
3545 isp_mboxcmd(isp, &mbs);
3546 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
3547 continue;
3548 }
3549 sdp->isp_devparam[tgt].cur_dflags = mbs.param[2];
3550 sdp->isp_devparam[tgt].dev_flags = mbs.param[2];
3551 sdp->isp_devparam[tgt].cur_period = mbs.param[3] & 0xff;
3552 sdp->isp_devparam[tgt].cur_offset = mbs.param[3] >> 8;
3553
3554 /*
3555 * The maximum period we can really see
3556 * here is 100 (decimal), or 400 ns.
3557 * For some unknown reason we sometimes
3558 * get back wildass numbers from the
3559 * boot device's parameters (alpha only).
3560 */
3561 if ((mbs.param[3] & 0xff) <= 0x64) {
3562 sdp->isp_devparam[tgt].sync_period =
3563 mbs.param[3] & 0xff;
3564 sdp->isp_devparam[tgt].sync_offset =
3565 mbs.param[3] >> 8;
3566 }
3567
3568 /*
3569 * It is not safe to run Ultra Mode with a clock < 60.
3570 */
3571 if (((sdp->isp_clock && sdp->isp_clock < 60) ||
3572 (isp->isp_type < ISP_HA_SCSI_1020A)) &&
3573 (sdp->isp_devparam[tgt].sync_period <=
3574 (ISP_20M_SYNCPARMS & 0xff))) {
3575 sdp->isp_devparam[tgt].sync_offset =
3576 ISP_10M_SYNCPARMS >> 8;
3577 sdp->isp_devparam[tgt].sync_period =
3578 ISP_10M_SYNCPARMS & 0xff;
3579 }
3580 }
3581
3582 /*
3583 * Set Default Host Adapter Parameters
3584 */
3585 sdp->isp_cmd_dma_burst_enable = 1;
3586 sdp->isp_data_dma_burst_enabl = 1;
3587 sdp->isp_fifo_threshold = 0;
3588 sdp->isp_initiator_id = 7;
3589 if (isp->isp_type >= ISP_HA_SCSI_1040) {
3590 sdp->isp_async_data_setup = 9;
3591 } else {
3592 sdp->isp_async_data_setup = 6;
3593 }
3594 sdp->isp_selection_timeout = 250;
3595 sdp->isp_max_queue_depth = 128;
3596 sdp->isp_tag_aging = 8;
3597 sdp->isp_bus_reset_delay = 3;
3598 sdp->isp_retry_count = 0;
3599 sdp->isp_retry_delay = 1;
3600
3601 for (tgt = 0; tgt < MAX_TARGETS; tgt++) {
3602 sdp->isp_devparam[tgt].exc_throttle = 16;
3603 sdp->isp_devparam[tgt].dev_enable = 1;
3604 }
3605 }
3606
3607 /*
3608 * Re-initialize the ISP and complete all orphaned commands
3609 * with a 'botched' notice.
3610 *
3611 * Locks held prior to coming here.
3612 */
3613
3614 void
3615 isp_restart(isp)
3616 struct ispsoftc *isp;
3617 {
3618 ISP_SCSI_XFER_T *tlist[RQUEST_QUEUE_LEN], *xs;
3619 int i;
3620
3621 for (i = 0; i < RQUEST_QUEUE_LEN; i++) {
3622 tlist[i] = (ISP_SCSI_XFER_T *) isp->isp_xflist[i];
3623 isp->isp_xflist[i] = NULL;
3624 }
3625 isp_reset(isp);
3626 if (isp->isp_state == ISP_RESETSTATE) {
3627 isp_init(isp);
3628 if (isp->isp_state == ISP_INITSTATE) {
3629 isp->isp_state = ISP_RUNSTATE;
3630 }
3631 }
3632 if (isp->isp_state != ISP_RUNSTATE) {
3633 PRINTF("%s: isp_restart cannot restart ISP\n", isp->isp_name);
3634 }
3635
3636 for (i = 0; i < RQUEST_QUEUE_LEN; i++) {
3637 xs = tlist[i];
3638 if (XS_NULL(xs)) {
3639 continue;
3640 }
3641 if (isp->isp_nactive > 0)
3642 isp->isp_nactive--;
3643 XS_RESID(xs) = XS_XFRLEN(xs);
3644 XS_SETERR(xs, HBA_BUSRESET);
3645 XS_CMD_DONE(xs);
3646 }
3647 }
3648
3649 /*
3650 * NVRAM Routines
3651 */
3652
3653 static int
3654 isp_read_nvram(isp)
3655 struct ispsoftc *isp;
3656 {
3657 int i, amt;
3658 u_int8_t csum, minversion;
3659 union {
3660 u_int8_t _x[ISP2100_NVRAM_SIZE];
3661 u_int16_t _s[ISP2100_NVRAM_SIZE>>1];
3662 } _n;
3663 #define nvram_data _n._x
3664 #define nvram_words _n._s
3665
3666 if (IS_FC(isp)) {
3667 amt = ISP2100_NVRAM_SIZE;
3668 minversion = 1;
3669 } else {
3670 amt = ISP_NVRAM_SIZE;
3671 minversion = 2;
3672 }
3673
3674 /*
3675 * Just read the first two words first to see if we have a valid
3676 * NVRAM to continue reading the rest with.
3677 */
3678 for (i = 0; i < 2; i++) {
3679 isp_rdnvram_word(isp, i, &nvram_words[i]);
3680 }
3681 if (nvram_data[0] != 'I' || nvram_data[1] != 'S' ||
3682 nvram_data[2] != 'P') {
3683 if (isp->isp_bustype != ISP_BT_SBUS) {
3684 PRINTF("%s: invalid NVRAM header\n", isp->isp_name);
3685 }
3686 return (-1);
3687 }
3688 for (i = 2; i < amt>>1; i++) {
3689 isp_rdnvram_word(isp, i, &nvram_words[i]);
3690 }
3691 for (csum = 0, i = 0; i < amt; i++) {
3692 csum += nvram_data[i];
3693 }
3694 if (csum != 0) {
3695 PRINTF("%s: invalid NVRAM checksum\n", isp->isp_name);
3696 return (-1);
3697 }
3698 if (ISP_NVRAM_VERSION(nvram_data) < minversion) {
3699 PRINTF("%s: version %d NVRAM not understood\n", isp->isp_name,
3700 ISP_NVRAM_VERSION(nvram_data));
3701 return (-1);
3702 }
3703
3704 if (isp->isp_type & ISP_HA_SCSI) {
3705 sdparam *sdp = (sdparam *) isp->isp_param;
3706
3707 sdp->isp_fifo_threshold =
3708 ISP_NVRAM_FIFO_THRESHOLD(nvram_data) |
3709 (ISP_NVRAM_FIFO_THRESHOLD_128(nvram_data) << 2);
3710
3711 sdp->isp_initiator_id =
3712 ISP_NVRAM_INITIATOR_ID(nvram_data);
3713
3714 sdp->isp_bus_reset_delay =
3715 ISP_NVRAM_BUS_RESET_DELAY(nvram_data);
3716
3717 sdp->isp_retry_count =
3718 ISP_NVRAM_BUS_RETRY_COUNT(nvram_data);
3719
3720 sdp->isp_retry_delay =
3721 ISP_NVRAM_BUS_RETRY_DELAY(nvram_data);
3722
3723 sdp->isp_async_data_setup =
3724 ISP_NVRAM_ASYNC_DATA_SETUP_TIME(nvram_data);
3725
3726 if (isp->isp_type >= ISP_HA_SCSI_1040) {
3727 if (sdp->isp_async_data_setup < 9) {
3728 sdp->isp_async_data_setup = 9;
3729 }
3730 } else {
3731 if (sdp->isp_async_data_setup != 6) {
3732 sdp->isp_async_data_setup = 6;
3733 }
3734 }
3735
3736 sdp->isp_req_ack_active_neg =
3737 ISP_NVRAM_REQ_ACK_ACTIVE_NEGATION(nvram_data);
3738
3739 sdp->isp_data_line_active_neg =
3740 ISP_NVRAM_DATA_LINE_ACTIVE_NEGATION(nvram_data);
3741
3742 sdp->isp_data_dma_burst_enabl =
3743 ISP_NVRAM_DATA_DMA_BURST_ENABLE(nvram_data);
3744
3745 sdp->isp_cmd_dma_burst_enable =
3746 ISP_NVRAM_CMD_DMA_BURST_ENABLE(nvram_data);
3747
3748 sdp->isp_tag_aging =
3749 ISP_NVRAM_TAG_AGE_LIMIT(nvram_data);
3750
3751 sdp->isp_selection_timeout =
3752 ISP_NVRAM_SELECTION_TIMEOUT(nvram_data);
3753
3754 sdp->isp_max_queue_depth =
3755 ISP_NVRAM_MAX_QUEUE_DEPTH(nvram_data);
3756
3757 sdp->isp_fast_mttr = ISP_NVRAM_FAST_MTTR_ENABLE(nvram_data);
3758 if (isp->isp_dblev > 2) {
3759 static char *true = "true";
3760 static char *false = "false";
3761 PRINTF("%s: NVRAM values:\n", isp->isp_name);
3762 PRINTF(" Fifo Threshold = 0x%x\n",
3763 sdp->isp_fifo_threshold);
3764 PRINTF(" Bus Reset Delay = %d\n",
3765 sdp->isp_bus_reset_delay);
3766 PRINTF(" Retry Count = %d\n",
3767 sdp->isp_retry_count);
3768 PRINTF(" Retry Delay = %d\n",
3769 sdp->isp_retry_delay);
3770 PRINTF(" Tag Age Limit = %d\n",
3771 sdp->isp_tag_aging);
3772 PRINTF(" Selection Timeout = %d\n",
3773 sdp->isp_selection_timeout);
3774 PRINTF(" Max Queue Depth = %d\n",
3775 sdp->isp_max_queue_depth);
3776 PRINTF(" Async Data Setup = 0x%x\n",
3777 sdp->isp_async_data_setup);
3778 PRINTF(" REQ/ACK Active Negation = %s\n",
3779 sdp->isp_req_ack_active_neg? true : false);
3780 PRINTF(" Data Line Active Negation = %s\n",
3781 sdp->isp_data_line_active_neg? true : false);
3782 PRINTF(" Data DMA Burst Enable = %s\n",
3783 sdp->isp_data_dma_burst_enabl? true : false);
3784 PRINTF(" Cmd DMA Burst Enable = %s\n",
3785 sdp->isp_cmd_dma_burst_enable? true : false);
3786 PRINTF(" Fast MTTR = %s\n",
3787 sdp->isp_fast_mttr? true : false);
3788 }
3789 for (i = 0; i < MAX_TARGETS; i++) {
3790 sdp->isp_devparam[i].dev_enable =
3791 ISP_NVRAM_TGT_DEVICE_ENABLE(nvram_data, i);
3792 sdp->isp_devparam[i].exc_throttle =
3793 ISP_NVRAM_TGT_EXEC_THROTTLE(nvram_data, i);
3794 sdp->isp_devparam[i].sync_offset =
3795 ISP_NVRAM_TGT_SYNC_OFFSET(nvram_data, i);
3796 sdp->isp_devparam[i].sync_period =
3797 ISP_NVRAM_TGT_SYNC_PERIOD(nvram_data, i);
3798
3799 if (isp->isp_type < ISP_HA_SCSI_1040) {
3800 /*
3801 * If we're not ultra, we can't possibly
3802 * be a shorter period than this.
3803 */
3804 if (sdp->isp_devparam[i].sync_period < 0x19) {
3805 sdp->isp_devparam[i].sync_period =
3806 0x19;
3807 }
3808 if (sdp->isp_devparam[i].sync_offset > 0xc) {
3809 sdp->isp_devparam[i].sync_offset =
3810 0x0c;
3811 }
3812 } else {
3813 if (sdp->isp_devparam[i].sync_offset > 0x8) {
3814 sdp->isp_devparam[i].sync_offset = 0x8;
3815 }
3816 }
3817 sdp->isp_devparam[i].dev_flags = 0;
3818 if (ISP_NVRAM_TGT_RENEG(nvram_data, i))
3819 sdp->isp_devparam[i].dev_flags |= DPARM_RENEG;
3820 if (ISP_NVRAM_TGT_QFRZ(nvram_data, i)) {
3821 PRINTF("%s: not supporting QFRZ option for "
3822 "target %d\n", isp->isp_name, i);
3823 }
3824 sdp->isp_devparam[i].dev_flags |= DPARM_ARQ;
3825 if (ISP_NVRAM_TGT_ARQ(nvram_data, i) == 0) {
3826 PRINTF("%s: not disabling ARQ option for "
3827 "target %d\n", isp->isp_name, i);
3828 }
3829 if (ISP_NVRAM_TGT_TQING(nvram_data, i))
3830 sdp->isp_devparam[i].dev_flags |= DPARM_TQING;
3831 if (ISP_NVRAM_TGT_SYNC(nvram_data, i))
3832 sdp->isp_devparam[i].dev_flags |= DPARM_SYNC;
3833 if (ISP_NVRAM_TGT_WIDE(nvram_data, i))
3834 sdp->isp_devparam[i].dev_flags |= DPARM_WIDE;
3835 if (ISP_NVRAM_TGT_PARITY(nvram_data, i))
3836 sdp->isp_devparam[i].dev_flags |= DPARM_PARITY;
3837 if (ISP_NVRAM_TGT_DISC(nvram_data, i))
3838 sdp->isp_devparam[i].dev_flags |= DPARM_DISC;
3839 sdp->isp_devparam[i].cur_dflags = 0; /* we don't know */
3840 if (isp->isp_dblev > 2) {
3841 PRINTF(" Target %d: Enabled %d Throttle %d "
3842 "Offset %d Period %d Flags 0x%x\n", i,
3843 sdp->isp_devparam[i].dev_enable,
3844 sdp->isp_devparam[i].exc_throttle,
3845 sdp->isp_devparam[i].sync_offset,
3846 sdp->isp_devparam[i].sync_period,
3847 sdp->isp_devparam[i].dev_flags);
3848 }
3849 }
3850 } else {
3851 fcparam *fcp = (fcparam *) isp->isp_param;
3852 union {
3853 struct {
3854 #if BYTE_ORDER == BIG_ENDIAN
3855 u_int32_t hi32;
3856 u_int32_t lo32;
3857 #else
3858 u_int32_t lo32;
3859 u_int32_t hi32;
3860 #endif
3861 } wds;
3862 u_int64_t full64;
3863 } wwnstore;
3864
3865 wwnstore.full64 = ISP2100_NVRAM_NODE_NAME(nvram_data);
3866 PRINTF("%s: Adapter WWN 0x%08x%08x\n", isp->isp_name,
3867 wwnstore.wds.hi32, wwnstore.wds.lo32);
3868 fcp->isp_wwn = wwnstore.full64;
3869 wwnstore.full64 = ISP2100_NVRAM_BOOT_NODE_NAME(nvram_data);
3870 if (wwnstore.full64 != 0) {
3871 PRINTF("%s: BOOT DEVICE WWN 0x%08x%08x\n",
3872 isp->isp_name, wwnstore.wds.hi32,
3873 wwnstore.wds.lo32);
3874 }
3875 fcp->isp_maxalloc =
3876 ISP2100_NVRAM_MAXIOCBALLOCATION(nvram_data);
3877 fcp->isp_maxfrmlen =
3878 ISP2100_NVRAM_MAXFRAMELENGTH(nvram_data);
3879 fcp->isp_retry_delay =
3880 ISP2100_NVRAM_RETRY_DELAY(nvram_data);
3881 fcp->isp_retry_count =
3882 ISP2100_NVRAM_RETRY_COUNT(nvram_data);
3883 fcp->isp_loopid =
3884 ISP2100_NVRAM_HARDLOOPID(nvram_data);
3885 fcp->isp_execthrottle =
3886 ISP2100_NVRAM_EXECUTION_THROTTLE(nvram_data);
3887 fcp->isp_fwoptions = ISP2100_NVRAM_OPTIONS(nvram_data);
3888 if (isp->isp_dblev > 2) {
3889 PRINTF("%s: NVRAM values:\n", isp->isp_name);
3890 PRINTF(" Max IOCB Allocation = %d\n",
3891 fcp->isp_maxalloc);
3892 PRINTF(" Max Frame Length = %d\n",
3893 fcp->isp_maxfrmlen);
3894 PRINTF(" Execution Throttle = %d\n",
3895 fcp->isp_execthrottle);
3896 PRINTF(" Retry Count = %d\n",
3897 fcp->isp_retry_count);
3898 PRINTF(" Retry Delay = %d\n",
3899 fcp->isp_retry_delay);
3900 PRINTF(" Hard Loop ID = %d\n",
3901 fcp->isp_loopid);
3902 PRINTF(" Options = 0x%x\n",
3903 fcp->isp_fwoptions);
3904 PRINTF(" HBA Options = 0x%x\n",
3905 ISP2100_NVRAM_HBA_OPTIONS(nvram_data));
3906 }
3907 }
3908 IDPRINTF(3, ("%s: NVRAM is valid\n", isp->isp_name));
3909 return (0);
3910 }
3911
3912 static void
3913 isp_rdnvram_word(isp, wo, rp)
3914 struct ispsoftc *isp;
3915 int wo;
3916 u_int16_t *rp;
3917 {
3918 int i, cbits;
3919 u_int16_t bit, rqst;
3920
3921 ISP_WRITE(isp, BIU_NVRAM, BIU_NVRAM_SELECT);
3922 SYS_DELAY(2);
3923 ISP_WRITE(isp, BIU_NVRAM, BIU_NVRAM_SELECT|BIU_NVRAM_CLOCK);
3924 SYS_DELAY(2);
3925
3926 if (isp->isp_type & ISP_HA_FC) {
3927 wo &= ((ISP2100_NVRAM_SIZE >> 1) - 1);
3928 rqst = (ISP_NVRAM_READ << 8) | wo;
3929 cbits = 10;
3930 } else {
3931 wo &= ((ISP_NVRAM_SIZE >> 1) - 1);
3932 rqst = (ISP_NVRAM_READ << 6) | wo;
3933 cbits = 8;
3934 }
3935
3936 /*
3937 * Clock the word select request out...
3938 */
3939 for (i = cbits; i >= 0; i--) {
3940 if ((rqst >> i) & 1) {
3941 bit = BIU_NVRAM_SELECT | BIU_NVRAM_DATAOUT;
3942 } else {
3943 bit = BIU_NVRAM_SELECT;
3944 }
3945 ISP_WRITE(isp, BIU_NVRAM, bit);
3946 SYS_DELAY(2);
3947 ISP_WRITE(isp, BIU_NVRAM, bit | BIU_NVRAM_CLOCK);
3948 SYS_DELAY(2);
3949 ISP_WRITE(isp, BIU_NVRAM, bit);
3950 SYS_DELAY(2);
3951 }
3952 /*
3953 * Now read the result back in (bits come back in MSB format).
3954 */
3955 *rp = 0;
3956 for (i = 0; i < 16; i++) {
3957 u_int16_t rv;
3958 *rp <<= 1;
3959 ISP_WRITE(isp, BIU_NVRAM, BIU_NVRAM_SELECT|BIU_NVRAM_CLOCK);
3960 SYS_DELAY(2);
3961 rv = ISP_READ(isp, BIU_NVRAM);
3962 if (rv & BIU_NVRAM_DATAIN) {
3963 *rp |= 1;
3964 }
3965 SYS_DELAY(2);
3966 ISP_WRITE(isp, BIU_NVRAM, BIU_NVRAM_SELECT);
3967 SYS_DELAY(2);
3968 }
3969 ISP_WRITE(isp, BIU_NVRAM, 0);
3970 SYS_DELAY(2);
3971 #if BYTE_ORDER == BIG_ENDIAN
3972 *rp = ((*rp >> 8) | ((*rp & 0xff) << 8));
3973 #endif
3974 }
3975