isp.c revision 1.43 1 /* $NetBSD: isp.c,v 1.43 1999/12/04 03:08:18 mjacob Exp $ */
2 /*
3 * Copyright (C) 1997, 1998, 1999 National Aeronautics & Space Administration
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29 /*
30 * Machine and OS Independent (well, as best as possible)
31 * code for the Qlogic ISP SCSI adapters.
32 * Matthew Jacob <mjacob (at) nas.nasa.gov>
33 */
34
35 /*
36 * Inspiration and ideas about this driver are from Erik Moe's Linux driver
37 * (qlogicisp.c) and Dave Miller's SBus version of same (qlogicisp.c). Some
38 * ideas dredged from the Solaris driver.
39 */
40
41 /*
42 * Include header file appropriate for platform we're building on.
43 */
44
45 #ifdef __NetBSD__
46 #include <dev/ic/isp_netbsd.h>
47 #endif
48 #ifdef __FreeBSD__
49 #include <dev/isp/isp_freebsd.h>
50 #endif
51 #ifdef __OpenBSD__
52 #include <dev/ic/isp_openbsd.h>
53 #endif
54 #ifdef __linux__
55 #include "isp_linux.h"
56 #endif
57
58 /*
59 * General defines
60 */
61
62 #define MBOX_DELAY_COUNT 1000000 / 100
63
64 /*
65 * Local static data
66 */
67
68 /*
69 * Local function prototypes.
70 */
71 static int isp_parse_async __P((struct ispsoftc *, int));
72 static int isp_handle_other_response
73 __P((struct ispsoftc *, ispstatusreq_t *, u_int16_t *));
74 static void isp_parse_status
75 __P((struct ispsoftc *, ispstatusreq_t *, ISP_SCSI_XFER_T *));
76 static void isp_fastpost_complete __P((struct ispsoftc *, u_int32_t));
77 static void isp_scsi_init __P((struct ispsoftc *));
78 static void isp_scsi_channel_init __P((struct ispsoftc *, int));
79 static void isp_fibre_init __P((struct ispsoftc *));
80 static void isp_mark_getpdb_all __P((struct ispsoftc *));
81 static int isp_getpdb __P((struct ispsoftc *, int, isp_pdb_t *));
82 static u_int64_t isp_get_portname __P((struct ispsoftc *, int, int));
83 static int isp_fclink_test __P((struct ispsoftc *, int));
84 static int isp_same_lportdb __P((struct lportdb *, struct lportdb *));
85 static int isp_pdb_sync __P((struct ispsoftc *, int));
86 #ifdef ISP2100_FABRIC
87 static int isp_scan_fabric __P((struct ispsoftc *));
88 #endif
89 static void isp_fw_state __P((struct ispsoftc *));
90 static void isp_dumpregs __P((struct ispsoftc *, const char *));
91 static void isp_mboxcmd __P((struct ispsoftc *, mbreg_t *));
92
93 static void isp_update __P((struct ispsoftc *));
94 static void isp_update_bus __P((struct ispsoftc *, int));
95 static void isp_setdfltparm __P((struct ispsoftc *, int));
96 static int isp_read_nvram __P((struct ispsoftc *));
97 static void isp_rdnvram_word __P((struct ispsoftc *, int, u_int16_t *));
98
99 /*
100 * Reset Hardware.
101 *
102 * Hit the chip over the head, download new f/w if available and set it running.
103 *
104 * Locking done elsewhere.
105 */
106 void
107 isp_reset(isp)
108 struct ispsoftc *isp;
109 {
110 mbreg_t mbs;
111 int loops, i, dodnld = 1;
112 char *revname;
113
114 isp->isp_state = ISP_NILSTATE;
115
116 /*
117 * Basic types (SCSI, FibreChannel and PCI or SBus)
118 * have been set in the MD code. We figure out more
119 * here.
120 */
121 isp->isp_dblev = DFLT_DBLEVEL;
122
123 /*
124 * After we've fired this chip up, zero out the conf1 register
125 * for SCSI adapters and other settings for the 2100.
126 */
127
128 /*
129 * Get the current running firmware revision out of the
130 * chip before we hit it over the head (if this is our
131 * first time through). Note that we store this as the
132 * 'ROM' firmware revision- which it may not be. In any
133 * case, we don't really use this yet, but we may in
134 * the future.
135 */
136 if (isp->isp_touched == 0) {
137 /*
138 * Just in case it was paused...
139 */
140 ISP_WRITE(isp, HCCR, HCCR_CMD_RELEASE);
141 mbs.param[0] = MBOX_ABOUT_FIRMWARE;
142 isp_mboxcmd(isp, &mbs);
143 /*
144 * If this fails, it probably means we're running
145 * an old prom, if anything at all...
146 */
147 if (mbs.param[0] == MBOX_COMMAND_COMPLETE) {
148 isp->isp_romfw_rev[0] = mbs.param[1];
149 isp->isp_romfw_rev[1] = mbs.param[2];
150 isp->isp_romfw_rev[2] = mbs.param[3];
151 }
152 isp->isp_touched = 1;
153 }
154
155 DISABLE_INTS(isp);
156
157 /*
158 * Put the board into PAUSE mode.
159 */
160 ISP_WRITE(isp, HCCR, HCCR_CMD_PAUSE);
161
162 if (IS_FC(isp)) {
163 revname = "2X00";
164 switch (isp->isp_type) {
165 case ISP_HA_FC_2100:
166 revname[1] = '1';
167 break;
168 case ISP_HA_FC_2200:
169 revname[1] = '2';
170 break;
171 default:
172 break;
173 }
174 } else if (IS_12X0(isp)) {
175 revname = "12X0";
176 isp->isp_clock = 60;
177 } else if (IS_1080(isp)) {
178 u_int16_t l;
179 sdparam *sdp = isp->isp_param;
180 revname = "1080";
181 isp->isp_clock = 100;
182 l = ISP_READ(isp, SXP_PINS_DIFF) & ISP1080_MODE_MASK;
183 switch (l) {
184 case ISP1080_LVD_MODE:
185 sdp->isp_lvdmode = 1;
186 PRINTF("%s: LVD Mode\n", isp->isp_name);
187 break;
188 case ISP1080_HVD_MODE:
189 sdp->isp_diffmode = 1;
190 CFGPRINTF("%s: Differential Mode\n", isp->isp_name);
191 break;
192 case ISP1080_SE_MODE:
193 sdp->isp_ultramode = 1;
194 CFGPRINTF("%s: Single-Ended Mode\n", isp->isp_name);
195 break;
196 default:
197 /*
198 * Hmm. Up in a wierd mode. This means all SCSI I/O
199 * buffer lines are tristated, so we're in a lot of
200 * trouble if we don't set things up right.
201 */
202 PRINTF("%s: Illegal Mode 0x%x\n", isp->isp_name, l);
203 break;
204 }
205 } else {
206 sdparam *sdp = isp->isp_param;
207 i = ISP_READ(isp, BIU_CONF0) & BIU_CONF0_HW_MASK;
208 switch (i) {
209 default:
210 PRINTF("%s: unknown chip rev. 0x%x- assuming a 1020\n",
211 isp->isp_name, i);
212 /* FALLTHROUGH */
213 case 1:
214 revname = "1020";
215 isp->isp_type = ISP_HA_SCSI_1020;
216 isp->isp_clock = 40;
217 break;
218 case 2:
219 /*
220 * Some 1020A chips are Ultra Capable, but don't
221 * run the clock rate up for that unless told to
222 * do so by the Ultra Capable bits being set.
223 */
224 revname = "1020A";
225 isp->isp_type = ISP_HA_SCSI_1020A;
226 isp->isp_clock = 40;
227 break;
228 case 3:
229 revname = "1040";
230 isp->isp_type = ISP_HA_SCSI_1040;
231 isp->isp_clock = 60;
232 break;
233 case 4:
234 revname = "1040A";
235 isp->isp_type = ISP_HA_SCSI_1040A;
236 isp->isp_clock = 60;
237 break;
238 case 5:
239 revname = "1040B";
240 isp->isp_type = ISP_HA_SCSI_1040B;
241 isp->isp_clock = 60;
242 break;
243 case 6:
244 revname = "1040C(?)";
245 isp->isp_type = ISP_HA_SCSI_1040C;
246 isp->isp_clock = 60;
247 break;
248 }
249 /*
250 * Now, while we're at it, gather info about ultra
251 * and/or differential mode.
252 */
253 if (ISP_READ(isp, SXP_PINS_DIFF) & SXP_PINS_DIFF_MODE) {
254 CFGPRINTF("%s: Differential Mode\n", isp->isp_name);
255 sdp->isp_diffmode = 1;
256 } else {
257 sdp->isp_diffmode = 0;
258 }
259 i = ISP_READ(isp, RISC_PSR);
260 if (isp->isp_bustype == ISP_BT_SBUS) {
261 i &= RISC_PSR_SBUS_ULTRA;
262 } else {
263 i &= RISC_PSR_PCI_ULTRA;
264 }
265 if (i != 0) {
266 CFGPRINTF("%s: Ultra Mode Capable\n", isp->isp_name);
267 sdp->isp_ultramode = 1;
268 /*
269 * If we're in Ultra Mode, we have to be 60Mhz clock-
270 * even for the SBus version.
271 */
272 isp->isp_clock = 60;
273 } else {
274 sdp->isp_ultramode = 0;
275 /*
276 * Clock is known. Gronk.
277 */
278 }
279
280 /*
281 * Machine dependent clock (if set) overrides
282 * our generic determinations.
283 */
284 if (isp->isp_mdvec->dv_clock) {
285 if (isp->isp_mdvec->dv_clock < isp->isp_clock) {
286 isp->isp_clock = isp->isp_mdvec->dv_clock;
287 }
288 }
289
290 }
291
292 /*
293 * Do MD specific pre initialization
294 */
295 ISP_RESET0(isp);
296
297 again:
298
299 /*
300 * Hit the chip over the head with hammer,
301 * and give the ISP a chance to recover.
302 */
303
304 if (IS_SCSI(isp)) {
305 ISP_WRITE(isp, BIU_ICR, BIU_ICR_SOFT_RESET);
306 /*
307 * A slight delay...
308 */
309 SYS_DELAY(100);
310
311 #if 0
312 PRINTF("%s: mbox0-5: 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x\n",
313 isp->isp_name, ISP_READ(isp, OUTMAILBOX0),
314 ISP_READ(isp, OUTMAILBOX1), ISP_READ(isp, OUTMAILBOX2),
315 ISP_READ(isp, OUTMAILBOX3), ISP_READ(isp, OUTMAILBOX4),
316 ISP_READ(isp, OUTMAILBOX5));
317 #endif
318
319 /*
320 * Clear data && control DMA engines.
321 */
322 ISP_WRITE(isp, CDMA_CONTROL,
323 DMA_CNTRL_CLEAR_CHAN | DMA_CNTRL_RESET_INT);
324 ISP_WRITE(isp, DDMA_CONTROL,
325 DMA_CNTRL_CLEAR_CHAN | DMA_CNTRL_RESET_INT);
326
327
328 } else {
329 ISP_WRITE(isp, BIU2100_CSR, BIU2100_SOFT_RESET);
330 /*
331 * A slight delay...
332 */
333 SYS_DELAY(100);
334
335 /*
336 * Clear data && control DMA engines.
337 */
338 ISP_WRITE(isp, CDMA2100_CONTROL,
339 DMA_CNTRL2100_CLEAR_CHAN | DMA_CNTRL2100_RESET_INT);
340 ISP_WRITE(isp, TDMA2100_CONTROL,
341 DMA_CNTRL2100_CLEAR_CHAN | DMA_CNTRL2100_RESET_INT);
342 ISP_WRITE(isp, RDMA2100_CONTROL,
343 DMA_CNTRL2100_CLEAR_CHAN | DMA_CNTRL2100_RESET_INT);
344 }
345
346 /*
347 * Wait for ISP to be ready to go...
348 */
349 loops = MBOX_DELAY_COUNT;
350 for (;;) {
351 if (IS_SCSI(isp)) {
352 if (!(ISP_READ(isp, BIU_ICR) & BIU_ICR_SOFT_RESET))
353 break;
354 } else {
355 if (!(ISP_READ(isp, BIU2100_CSR) & BIU2100_SOFT_RESET))
356 break;
357 }
358 SYS_DELAY(100);
359 if (--loops < 0) {
360 isp_dumpregs(isp, "chip reset timed out");
361 return;
362 }
363 }
364
365 /*
366 * After we've fired this chip up, zero out the conf1 register
367 * for SCSI adapters and other settings for the 2100.
368 */
369
370 if (IS_SCSI(isp)) {
371 ISP_WRITE(isp, BIU_CONF1, 0);
372 } else {
373 ISP_WRITE(isp, BIU2100_CSR, 0);
374 }
375
376 /*
377 * Reset RISC Processor
378 */
379 ISP_WRITE(isp, HCCR, HCCR_CMD_RESET);
380 SYS_DELAY(100);
381
382 /*
383 * Establish some initial burst rate stuff.
384 * (only for the 1XX0 boards). This really should
385 * be done later after fetching from NVRAM.
386 */
387 if (IS_SCSI(isp)) {
388 u_int16_t tmp = isp->isp_mdvec->dv_conf1;
389 /*
390 * Busted FIFO. Turn off all but burst enables.
391 */
392 if (isp->isp_type == ISP_HA_SCSI_1040A) {
393 tmp &= BIU_BURST_ENABLE;
394 }
395 ISP_SETBITS(isp, BIU_CONF1, tmp);
396 if (tmp & BIU_BURST_ENABLE) {
397 ISP_SETBITS(isp, CDMA_CONF, DMA_ENABLE_BURST);
398 ISP_SETBITS(isp, DDMA_CONF, DMA_ENABLE_BURST);
399 }
400 #ifdef PTI_CARDS
401 if (((sdparam *) isp->isp_param)->isp_ultramode) {
402 while (ISP_READ(isp, RISC_MTR) != 0x1313) {
403 ISP_WRITE(isp, RISC_MTR, 0x1313);
404 ISP_WRITE(isp, HCCR, HCCR_CMD_STEP);
405 }
406 } else {
407 ISP_WRITE(isp, RISC_MTR, 0x1212);
408 }
409 /*
410 * PTI specific register
411 */
412 ISP_WRITE(isp, RISC_EMB, DUAL_BANK)
413 #else
414 ISP_WRITE(isp, RISC_MTR, 0x1212);
415 #endif
416 } else {
417 ISP_WRITE(isp, RISC_MTR2100, 0x1212);
418 }
419
420 ISP_WRITE(isp, HCCR, HCCR_CMD_RELEASE); /* release paused processor */
421
422 /*
423 * Do MD specific post initialization
424 */
425 ISP_RESET1(isp);
426
427 /*
428 * Wait for everything to finish firing up...
429 */
430 loops = MBOX_DELAY_COUNT;
431 while (ISP_READ(isp, OUTMAILBOX0) == MBOX_BUSY) {
432 SYS_DELAY(100);
433 if (--loops < 0) {
434 PRINTF("%s: MBOX_BUSY never cleared on reset\n",
435 isp->isp_name);
436 return;
437 }
438 }
439
440 /*
441 * Up until this point we've done everything by just reading or
442 * setting registers. From this point on we rely on at least *some*
443 * kind of firmware running in the card.
444 */
445
446 /*
447 * Do some sanity checking.
448 */
449 mbs.param[0] = MBOX_NO_OP;
450 isp_mboxcmd(isp, &mbs);
451 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
452 isp_dumpregs(isp, "NOP test failed");
453 return;
454 }
455
456 if (IS_SCSI(isp)) {
457 mbs.param[0] = MBOX_MAILBOX_REG_TEST;
458 mbs.param[1] = 0xdead;
459 mbs.param[2] = 0xbeef;
460 mbs.param[3] = 0xffff;
461 mbs.param[4] = 0x1111;
462 mbs.param[5] = 0xa5a5;
463 isp_mboxcmd(isp, &mbs);
464 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
465 isp_dumpregs(isp,
466 "Mailbox Register test didn't complete");
467 return;
468 }
469 if (mbs.param[1] != 0xdead || mbs.param[2] != 0xbeef ||
470 mbs.param[3] != 0xffff || mbs.param[4] != 0x1111 ||
471 mbs.param[5] != 0xa5a5) {
472 isp_dumpregs(isp, "Register Test Failed");
473 return;
474 }
475
476 }
477
478 /*
479 * Download new Firmware, unless requested not to do so.
480 * This is made slightly trickier in some cases where the
481 * firmware of the ROM revision is newer than the revision
482 * compiled into the driver. So, where we used to compare
483 * versions of our f/w and the ROM f/w, now we just see
484 * whether we have f/w at all and whether a config flag
485 * has disabled our download.
486 */
487 if ((isp->isp_mdvec->dv_ispfw == NULL) ||
488 (isp->isp_confopts & ISP_CFG_NORELOAD)) {
489 dodnld = 0;
490 }
491
492 if (dodnld) {
493 u_int16_t fwlen = isp->isp_mdvec->dv_fwlen;
494 if (fwlen == 0)
495 fwlen = isp->isp_mdvec->dv_ispfw[3]; /* usually here */
496 for (i = 0; i < fwlen; i++) {
497 mbs.param[0] = MBOX_WRITE_RAM_WORD;
498 mbs.param[1] = isp->isp_mdvec->dv_codeorg + i;
499 mbs.param[2] = isp->isp_mdvec->dv_ispfw[i];
500 isp_mboxcmd(isp, &mbs);
501 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
502 PRINTF("%s: F/W download failed at word %d\n",
503 isp->isp_name, i);
504 dodnld = 0;
505 goto again;
506 }
507 }
508
509 /*
510 * Verify that it downloaded correctly.
511 */
512 mbs.param[0] = MBOX_VERIFY_CHECKSUM;
513 mbs.param[1] = isp->isp_mdvec->dv_codeorg;
514 isp_mboxcmd(isp, &mbs);
515 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
516 isp_dumpregs(isp, "ram checksum failure");
517 return;
518 }
519 } else {
520 IDPRINTF(3, ("%s: skipping f/w download\n", isp->isp_name));
521 }
522
523 /*
524 * Now start it rolling.
525 *
526 * If we didn't actually download f/w,
527 * we still need to (re)start it.
528 */
529
530 mbs.param[0] = MBOX_EXEC_FIRMWARE;
531 if (isp->isp_mdvec->dv_codeorg)
532 mbs.param[1] = isp->isp_mdvec->dv_codeorg;
533 else
534 mbs.param[1] = 0x1000;
535 isp_mboxcmd(isp, &mbs);
536
537 if (IS_SCSI(isp)) {
538 /*
539 * Set CLOCK RATE, but only if asked to.
540 */
541 if (isp->isp_clock) {
542 mbs.param[0] = MBOX_SET_CLOCK_RATE;
543 mbs.param[1] = isp->isp_clock;
544 isp_mboxcmd(isp, &mbs);
545 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
546 PRINTF("failed to set clockrate (0x%x)\n",
547 mbs.param[0]);
548 /* but continue */
549 }
550 }
551 }
552 mbs.param[0] = MBOX_ABOUT_FIRMWARE;
553 isp_mboxcmd(isp, &mbs);
554 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
555 PRINTF("could not get f/w started (0x%x)\n", mbs.param[0]);
556 return;
557 }
558 CFGPRINTF("%s: Board Revision %s, %s F/W Revision %d.%d.%d\n",
559 isp->isp_name, revname, dodnld? "loaded" : "resident",
560 mbs.param[1], mbs.param[2], mbs.param[3]);
561 if (IS_FC(isp)) {
562 if (ISP_READ(isp, BIU2100_CSR) & BIU2100_PCI64) {
563 CFGPRINTF("%s: in 64-Bit PCI slot\n", isp->isp_name);
564 }
565 }
566
567 isp->isp_fwrev[0] = mbs.param[1];
568 isp->isp_fwrev[1] = mbs.param[2];
569 isp->isp_fwrev[2] = mbs.param[3];
570 if (isp->isp_romfw_rev[0] || isp->isp_romfw_rev[1] ||
571 isp->isp_romfw_rev[2]) {
572 CFGPRINTF("%s: Last F/W revision was %d.%d.%d\n", isp->isp_name,
573 isp->isp_romfw_rev[0], isp->isp_romfw_rev[1],
574 isp->isp_romfw_rev[2]);
575 }
576
577 mbs.param[0] = MBOX_GET_FIRMWARE_STATUS;
578 isp_mboxcmd(isp, &mbs);
579 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
580 PRINTF("%s: could not GET FIRMWARE STATUS\n", isp->isp_name);
581 return;
582 }
583 isp->isp_maxcmds = mbs.param[2];
584 CFGPRINTF("%s: %d max I/O commands supported\n",
585 isp->isp_name, mbs.param[2]);
586 isp_fw_state(isp);
587
588 /*
589 * Set up DMA for the request and result mailboxes.
590 */
591 if (ISP_MBOXDMASETUP(isp) != 0) {
592 PRINTF("%s: can't setup dma mailboxes\n", isp->isp_name);
593 return;
594 }
595 isp->isp_state = ISP_RESETSTATE;
596 }
597
598 /*
599 * Initialize Parameters of Hardware to a known state.
600 *
601 * Locks are held before coming here.
602 */
603
604 void
605 isp_init(isp)
606 struct ispsoftc *isp;
607 {
608 /*
609 * Must do this first to get defaults established.
610 */
611 isp_setdfltparm(isp, 0);
612 if (IS_12X0(isp)) {
613 isp_setdfltparm(isp, 1);
614 }
615
616 if (IS_FC(isp)) {
617 isp_fibre_init(isp);
618 } else {
619 isp_scsi_init(isp);
620 }
621 }
622
623 static void
624 isp_scsi_init(isp)
625 struct ispsoftc *isp;
626 {
627 sdparam *sdp_chan0, *sdp_chan1;
628 mbreg_t mbs;
629
630 sdp_chan0 = isp->isp_param;
631 sdp_chan1 = sdp_chan0;
632 if (IS_12X0(isp)) {
633 sdp_chan1++;
634 }
635
636 /* First do overall per-card settings. */
637
638 /*
639 * If we have fast memory timing enabled, turn it on.
640 */
641 if (isp->isp_fast_mttr) {
642 ISP_WRITE(isp, RISC_MTR, 0x1313);
643 }
644
645 /*
646 * Set Retry Delay and Count.
647 * You set both channels at the same time.
648 */
649 mbs.param[0] = MBOX_SET_RETRY_COUNT;
650 mbs.param[1] = sdp_chan0->isp_retry_count;
651 mbs.param[2] = sdp_chan0->isp_retry_delay;
652 mbs.param[6] = sdp_chan1->isp_retry_count;
653 mbs.param[7] = sdp_chan1->isp_retry_delay;
654
655 isp_mboxcmd(isp, &mbs);
656 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
657 PRINTF("%s: failed to set retry count and retry delay\n",
658 isp->isp_name);
659 return;
660 }
661
662 /*
663 * Set ASYNC DATA SETUP time. This is very important.
664 */
665 mbs.param[0] = MBOX_SET_ASYNC_DATA_SETUP_TIME;
666 mbs.param[1] = sdp_chan0->isp_async_data_setup;
667 mbs.param[2] = sdp_chan1->isp_async_data_setup;
668 isp_mboxcmd(isp, &mbs);
669 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
670 PRINTF("%s: failed to set asynchronous data setup time\n",
671 isp->isp_name);
672 return;
673 }
674
675 /*
676 * Set ACTIVE Negation State.
677 */
678 mbs.param[0] = MBOX_SET_ACT_NEG_STATE;
679 mbs.param[1] =
680 (sdp_chan0->isp_req_ack_active_neg << 4) |
681 (sdp_chan0->isp_data_line_active_neg << 5);
682 mbs.param[2] =
683 (sdp_chan1->isp_req_ack_active_neg << 4) |
684 (sdp_chan1->isp_data_line_active_neg << 5);
685
686 isp_mboxcmd(isp, &mbs);
687 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
688 PRINTF("%s: failed to set active negation state "
689 "(%d,%d),(%d,%d)\n", isp->isp_name,
690 sdp_chan0->isp_req_ack_active_neg,
691 sdp_chan0->isp_data_line_active_neg,
692 sdp_chan1->isp_req_ack_active_neg,
693 sdp_chan1->isp_data_line_active_neg);
694 /*
695 * But don't return.
696 */
697 }
698
699 /*
700 * Set the Tag Aging limit
701 */
702 mbs.param[0] = MBOX_SET_TAG_AGE_LIMIT;
703 mbs.param[1] = sdp_chan0->isp_tag_aging;
704 mbs.param[2] = sdp_chan1->isp_tag_aging;
705 isp_mboxcmd(isp, &mbs);
706 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
707 PRINTF("%s: failed to set tag age limit (%d,%d)\n",
708 isp->isp_name, sdp_chan0->isp_tag_aging,
709 sdp_chan1->isp_tag_aging);
710 return;
711 }
712
713 /*
714 * Set selection timeout.
715 */
716 mbs.param[0] = MBOX_SET_SELECT_TIMEOUT;
717 mbs.param[1] = sdp_chan0->isp_selection_timeout;
718 mbs.param[2] = sdp_chan1->isp_selection_timeout;
719 isp_mboxcmd(isp, &mbs);
720 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
721 PRINTF("%s: failed to set selection timeout\n", isp->isp_name);
722 return;
723 }
724
725 /* now do per-channel settings */
726 isp_scsi_channel_init(isp, 0);
727 if (IS_12X0(isp))
728 isp_scsi_channel_init(isp, 1);
729
730 /*
731 * Now enable request/response queues
732 */
733
734 mbs.param[0] = MBOX_INIT_RES_QUEUE;
735 mbs.param[1] = RESULT_QUEUE_LEN;
736 mbs.param[2] = DMA_MSW(isp->isp_result_dma);
737 mbs.param[3] = DMA_LSW(isp->isp_result_dma);
738 mbs.param[4] = 0;
739 mbs.param[5] = 0;
740 isp_mboxcmd(isp, &mbs);
741 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
742 PRINTF("%s: set of response queue failed\n", isp->isp_name);
743 return;
744 }
745 isp->isp_residx = 0;
746
747 mbs.param[0] = MBOX_INIT_REQ_QUEUE;
748 mbs.param[1] = RQUEST_QUEUE_LEN;
749 mbs.param[2] = DMA_MSW(isp->isp_rquest_dma);
750 mbs.param[3] = DMA_LSW(isp->isp_rquest_dma);
751 mbs.param[4] = 0;
752 mbs.param[5] = 0;
753 isp_mboxcmd(isp, &mbs);
754 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
755 PRINTF("%s: set of request queue failed\n", isp->isp_name);
756 return;
757 }
758 isp->isp_reqidx = isp->isp_reqodx = 0;
759
760 /*
761 * Turn on Fast Posting, LVD transitions
762 */
763
764 if (IS_1080(isp) ||
765 ISP_FW_REVX(isp->isp_fwrev) >= ISP_FW_REV(7, 55, 0)) {
766 mbs.param[0] = MBOX_SET_FW_FEATURES;
767 #ifndef ISP_NO_FASTPOST_SCSI
768 mbs.param[1] |= FW_FEATURE_FAST_POST;
769 #else
770 mbs.param[1] = 0;
771 #endif
772 if (IS_1080(isp))
773 mbs.param[1] |= FW_FEATURE_LVD_NOTIFY;
774 if (mbs.param[1] != 0) {
775 isp_mboxcmd(isp, &mbs);
776 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
777 PRINTF("%s: unable enable FW features\n",
778 isp->isp_name);
779 }
780 }
781 }
782
783 /*
784 * Let the outer layers decide whether to issue a SCSI bus reset.
785 */
786 isp->isp_state = ISP_INITSTATE;
787 }
788
789 static void
790 isp_scsi_channel_init(isp, channel)
791 struct ispsoftc *isp;
792 int channel;
793 {
794 sdparam *sdp;
795 mbreg_t mbs;
796 int tgt;
797
798 sdp = isp->isp_param;
799 sdp += channel;
800
801 /*
802 * Set (possibly new) Initiator ID.
803 */
804 mbs.param[0] = MBOX_SET_INIT_SCSI_ID;
805 mbs.param[1] = (channel << 7) | sdp->isp_initiator_id;
806 isp_mboxcmd(isp, &mbs);
807 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
808 PRINTF("%s: cannot set initiator id on bus %d to %d\n",
809 isp->isp_name, channel, sdp->isp_initiator_id);
810 return;
811 }
812
813 /*
814 * Set current per-target parameters to a safe minimum.
815 */
816 for (tgt = 0; tgt < MAX_TARGETS; tgt++) {
817 int maxlun, lun;
818 u_int16_t sdf;
819
820 if (sdp->isp_devparam[tgt].dev_enable == 0) {
821 IDPRINTF(1, ("%s: skipping target %d bus %d settings\n",
822 isp->isp_name, tgt, channel));
823 continue;
824 }
825
826 /*
827 * If we're in LVD mode, then we pretty much should
828 * only disable tagged queuing.
829 */
830 if (IS_1080(isp) && sdp->isp_lvdmode) {
831 sdf = DPARM_DEFAULT & ~DPARM_TQING;
832 } else {
833 sdf = DPARM_SAFE_DFLT;
834 /*
835 * It is not quite clear when this changed over so that
836 * we could force narrow and async, so assume >= 7.55.
837 */
838 if (ISP_FW_REVX(isp->isp_fwrev) >=
839 ISP_FW_REV(7, 55, 0)) {
840 sdf |= DPARM_NARROW | DPARM_ASYNC;
841 }
842 }
843 mbs.param[0] = MBOX_SET_TARGET_PARAMS;
844 mbs.param[1] = (tgt << 8) | (channel << 15);
845 mbs.param[2] = sdf;
846 mbs.param[3] =
847 (sdp->isp_devparam[tgt].sync_offset << 8) |
848 (sdp->isp_devparam[tgt].sync_period);
849 isp_mboxcmd(isp, &mbs);
850 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
851 sdf = DPARM_SAFE_DFLT;
852 mbs.param[0] = MBOX_SET_TARGET_PARAMS;
853 mbs.param[1] = (tgt << 8) | (channel << 15);
854 mbs.param[2] = sdf;
855 mbs.param[3] =
856 (sdp->isp_devparam[tgt].sync_offset << 8) |
857 (sdp->isp_devparam[tgt].sync_period);
858 isp_mboxcmd(isp, &mbs);
859 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
860 PRINTF("%s: failed even to set defaults for "
861 "target %d\n", isp->isp_name, tgt);
862 continue;
863 }
864 }
865
866 #if 0
867 /*
868 * We don't update dev_flags with what we've set
869 * because that's not the ultimate goal setting.
870 * If we succeed with the command, we *do* update
871 * cur_dflags by getting target parameters.
872 */
873 mbs.param[0] = MBOX_GET_TARGET_PARAMS;
874 mbs.param[1] = (tgt << 8) | (channel << 15);
875 isp_mboxcmd(isp, &mbs);
876 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
877 /*
878 * Urrr.... We'll set cur_dflags to DPARM_SAFE_DFLT so
879 * we don't try and do tags if tags aren't enabled.
880 */
881 sdp->isp_devparam[tgt].cur_dflags = DPARM_SAFE_DFLT;
882 } else {
883 sdp->isp_devparam[tgt].cur_dflags = mbs.param[2];
884 sdp->isp_devparam[tgt].cur_offset = mbs.param[3] >> 8;
885 sdp->isp_devparam[tgt].cur_period = mbs.param[3] & 0xff;
886 }
887 IDPRINTF(3, ("%s: set flags 0x%x got 0x%x back for target %d\n",
888 isp->isp_name, sdf, mbs.param[2], tgt));
889 #else
890 /*
891 * We don't update any information because we need to run
892 * at least one command per target to cause a new state
893 * to be latched.
894 */
895 #endif
896 /*
897 * Ensure that we don't believe tagged queuing is enabled yet.
898 * It turns out that sometimes the ISP just ignores our
899 * attempts to set parameters for devices that it hasn't
900 * seen yet.
901 */
902 sdp->isp_devparam[tgt].cur_dflags &= ~DPARM_TQING;
903 if (ISP_FW_REVX(isp->isp_fwrev) >= ISP_FW_REV(7, 55, 0))
904 maxlun = 32;
905 else
906 maxlun = 8;
907 for (lun = 0; lun < maxlun; lun++) {
908 mbs.param[0] = MBOX_SET_DEV_QUEUE_PARAMS;
909 mbs.param[1] = (channel << 15) | (tgt << 8) | lun;
910 mbs.param[2] = sdp->isp_max_queue_depth;
911 mbs.param[3] = sdp->isp_devparam[tgt].exc_throttle;
912 isp_mboxcmd(isp, &mbs);
913 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
914 PRINTF("%s: failed to set device queue "
915 "parameters for target %d, lun %d\n",
916 isp->isp_name, tgt, lun);
917 break;
918 }
919 }
920 }
921 }
922
923 /*
924 * Fibre Channel specific initialization.
925 *
926 * Locks are held before coming here.
927 */
928 static void
929 isp_fibre_init(isp)
930 struct ispsoftc *isp;
931 {
932 fcparam *fcp;
933 isp_icb_t *icbp;
934 mbreg_t mbs;
935 int loopid;
936
937 fcp = isp->isp_param;
938
939 /*
940 * For systems that don't have BIOS methods for which
941 * we can easily change the NVRAM based loopid, we'll
942 * override that here. Note that when we initialize
943 * the firmware we may get back a different loopid than
944 * we asked for anyway. XXX This is probably not the
945 * best way to figure this out XXX
946 */
947 #ifndef __i386__
948 loopid = DEFAULT_LOOPID(isp);
949 #else
950 loopid = fcp->isp_loopid;
951 #endif
952
953 icbp = (isp_icb_t *) fcp->isp_scratch;
954 MEMZERO(icbp, sizeof (*icbp));
955
956 icbp->icb_version = ICB_VERSION1;
957 #ifdef ISP_TARGET_MODE
958 fcp->isp_fwoptions = ICBOPT_TGT_ENABLE;
959 #else
960 fcp->isp_fwoptions = 0;
961 #endif
962
963 fcp->isp_fwoptions |= ICBOPT_FAIRNESS;
964 /*
965 * If this is a 2100 < revision 5, we have to turn off FAIRNESS.
966 */
967 if ((isp->isp_type == ISP_HA_FC_2100) && isp->isp_revision < 5) {
968 fcp->isp_fwoptions &= ~ICBOPT_FAIRNESS;
969 }
970 fcp->isp_fwoptions |= ICBOPT_PDBCHANGE_AE;
971 fcp->isp_fwoptions |= ICBOPT_HARD_ADDRESS;
972 /*
973 * We have to use FULL LOGIN even though it resets the loop too much
974 * because otherwise port database entries don't get updated after
975 * a LIP- this is a known f/w bug.
976 */
977 if (ISP_FW_REVX(isp->isp_fwrev) < ISP_FW_REV(1, 17, 0)) {
978 fcp->isp_fwoptions |= ICBOPT_FULL_LOGIN;
979 }
980 #ifndef ISP_NO_FASTPOST_FC
981 fcp->isp_fwoptions |= ICBOPT_FAST_POST;
982 #endif
983 if (isp->isp_confopts & ISP_CFG_FULL_DUPLEX)
984 fcp->isp_fwoptions |= ICBOPT_FULL_DUPLEX;
985
986 /*
987 * We don't set ICBOPT_PORTNAME because we want our
988 * Node Name && Port Names to be distinct.
989 */
990
991 icbp->icb_fwoptions = fcp->isp_fwoptions;
992 icbp->icb_maxfrmlen = fcp->isp_maxfrmlen;
993 if (icbp->icb_maxfrmlen < ICB_MIN_FRMLEN ||
994 icbp->icb_maxfrmlen > ICB_MAX_FRMLEN) {
995 PRINTF("%s: bad frame length (%d) from NVRAM- using %d\n",
996 isp->isp_name, fcp->isp_maxfrmlen, ICB_DFLT_FRMLEN);
997 icbp->icb_maxfrmlen = ICB_DFLT_FRMLEN;
998 }
999 icbp->icb_maxalloc = fcp->isp_maxalloc;
1000 if (icbp->icb_maxalloc < 1) {
1001 PRINTF("%s: bad maximum allocation (%d)- using 16\n",
1002 isp->isp_name, fcp->isp_maxalloc);
1003 icbp->icb_maxalloc = 16;
1004 }
1005 icbp->icb_execthrottle = fcp->isp_execthrottle;
1006 if (icbp->icb_execthrottle < 1) {
1007 PRINTF("%s: bad execution throttle of %d- using 16\n",
1008 isp->isp_name, fcp->isp_execthrottle);
1009 icbp->icb_execthrottle = ICB_DFLT_THROTTLE;
1010 }
1011 icbp->icb_retry_delay = fcp->isp_retry_delay;
1012 icbp->icb_retry_count = fcp->isp_retry_count;
1013 icbp->icb_hardaddr = loopid;
1014 icbp->icb_logintime = 30; /* 30 second login timeout */
1015
1016 if (fcp->isp_nodewwn) {
1017 u_int64_t pn;
1018 MAKE_NODE_NAME_FROM_WWN(icbp->icb_nodename, fcp->isp_nodewwn);
1019 if (fcp->isp_portwwn) {
1020 pn = fcp->isp_portwwn;
1021 } else {
1022 pn = fcp->isp_nodewwn |
1023 (((u_int64_t)(isp->isp_unit+1)) << 56);
1024 }
1025 /*
1026 * If the top nibble is 2, we can construct a port name
1027 * from the node name by setting a nonzero instance in
1028 * bits 56..59. Otherwise, we need to make it identical
1029 * to Node name...
1030 */
1031 if ((fcp->isp_nodewwn >> 60) == 2) {
1032 MAKE_NODE_NAME_FROM_WWN(icbp->icb_portname, pn);
1033 } else {
1034 MAKE_NODE_NAME_FROM_WWN(icbp->icb_portname,
1035 fcp->isp_nodewwn);
1036 }
1037 } else {
1038 fcp->isp_fwoptions &= ~(ICBOPT_USE_PORTNAME|ICBOPT_FULL_LOGIN);
1039 }
1040 icbp->icb_rqstqlen = RQUEST_QUEUE_LEN;
1041 icbp->icb_rsltqlen = RESULT_QUEUE_LEN;
1042 icbp->icb_rqstaddr[RQRSP_ADDR0015] = DMA_LSW(isp->isp_rquest_dma);
1043 icbp->icb_rqstaddr[RQRSP_ADDR1631] = DMA_MSW(isp->isp_rquest_dma);
1044 icbp->icb_respaddr[RQRSP_ADDR0015] = DMA_LSW(isp->isp_result_dma);
1045 icbp->icb_respaddr[RQRSP_ADDR1631] = DMA_MSW(isp->isp_result_dma);
1046 ISP_SWIZZLE_ICB(isp, icbp);
1047
1048 /*
1049 * Do this *before* initializing the firmware.
1050 */
1051 isp_mark_getpdb_all(isp);
1052 fcp->isp_fwstate = FW_CONFIG_WAIT;
1053 fcp->isp_loopstate = LOOP_NIL;
1054
1055 MemoryBarrier();
1056 for (;;) {
1057 mbs.param[0] = MBOX_INIT_FIRMWARE;
1058 mbs.param[1] = 0;
1059 mbs.param[2] = DMA_MSW(fcp->isp_scdma);
1060 mbs.param[3] = DMA_LSW(fcp->isp_scdma);
1061 mbs.param[4] = 0;
1062 mbs.param[5] = 0;
1063 mbs.param[6] = 0;
1064 mbs.param[7] = 0;
1065 isp_mboxcmd(isp, &mbs);
1066 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
1067 PRINTF("%s: INIT FIRMWARE failed (code 0x%x)\n",
1068 isp->isp_name, mbs.param[0]);
1069 if (mbs.param[0] & 0x8000) {
1070 SYS_DELAY(1000);
1071 continue;
1072 }
1073 return;
1074 }
1075 break;
1076 }
1077
1078 isp->isp_reqidx = isp->isp_reqodx = 0;
1079 isp->isp_residx = 0;
1080 isp->isp_sendmarker = 1;
1081
1082 /*
1083 * Whatever happens, we're now committed to being here.
1084 */
1085 isp->isp_state = ISP_INITSTATE;
1086 }
1087
1088 /*
1089 * Fibre Channel Support- get the port database for the id.
1090 *
1091 * Locks are held before coming here. Return 0 if success,
1092 * else failure.
1093 */
1094
1095 static void
1096 isp_mark_getpdb_all(isp)
1097 struct ispsoftc *isp;
1098 {
1099 fcparam *fcp = (fcparam *) isp->isp_param;
1100 int i;
1101 for (i = 0; i < MAX_FC_TARG; i++) {
1102 fcp->portdb[i].valid = 0;
1103 }
1104 }
1105
1106 static int
1107 isp_getpdb(isp, id, pdbp)
1108 struct ispsoftc *isp;
1109 int id;
1110 isp_pdb_t *pdbp;
1111 {
1112 fcparam *fcp = (fcparam *) isp->isp_param;
1113 mbreg_t mbs;
1114
1115 mbs.param[0] = MBOX_GET_PORT_DB;
1116 mbs.param[1] = id << 8;
1117 mbs.param[2] = DMA_MSW(fcp->isp_scdma);
1118 mbs.param[3] = DMA_LSW(fcp->isp_scdma);
1119 /*
1120 * Unneeded. For the 2100, except for initializing f/w, registers
1121 * 4/5 have to not be written to.
1122 * mbs.param[4] = 0;
1123 * mbs.param[5] = 0;
1124 *
1125 */
1126 mbs.param[6] = 0;
1127 mbs.param[7] = 0;
1128 isp_mboxcmd(isp, &mbs);
1129 switch (mbs.param[0]) {
1130 case MBOX_COMMAND_COMPLETE:
1131 MemoryBarrier();
1132 ISP_UNSWIZZLE_AND_COPY_PDBP(isp, pdbp, fcp->isp_scratch);
1133 break;
1134 case MBOX_HOST_INTERFACE_ERROR:
1135 PRINTF("%s: DMA error getting port database\n", isp->isp_name);
1136 return (-1);
1137 case MBOX_COMMAND_PARAM_ERROR:
1138 /* Not Logged In */
1139 IDPRINTF(3, ("%s: Param Error on Get Port Database for id %d\n",
1140 isp->isp_name, id));
1141 return (-1);
1142 default:
1143 PRINTF("%s: error 0x%x getting port database for ID %d\n",
1144 isp->isp_name, mbs.param[0], id);
1145 return (-1);
1146 }
1147 return (0);
1148 }
1149
1150 static u_int64_t
1151 isp_get_portname(isp, loopid, nodename)
1152 struct ispsoftc *isp;
1153 int loopid;
1154 int nodename;
1155 {
1156 u_int64_t wwn = 0;
1157 mbreg_t mbs;
1158
1159 mbs.param[0] = MBOX_GET_PORT_NAME;
1160 mbs.param[1] = loopid << 8;
1161 if (nodename)
1162 mbs.param[1] |= 1;
1163 isp_mboxcmd(isp, &mbs);
1164 if (mbs.param[0] == MBOX_COMMAND_COMPLETE) {
1165 wwn =
1166 (((u_int64_t)(mbs.param[2] & 0xff)) << 56) |
1167 (((u_int64_t)(mbs.param[2] >> 8)) << 48) |
1168 (((u_int64_t)(mbs.param[3] & 0xff)) << 40) |
1169 (((u_int64_t)(mbs.param[3] >> 8)) << 32) |
1170 (((u_int64_t)(mbs.param[6] & 0xff)) << 24) |
1171 (((u_int64_t)(mbs.param[6] >> 8)) << 16) |
1172 (((u_int64_t)(mbs.param[7] & 0xff)) << 8) |
1173 (((u_int64_t)(mbs.param[7] >> 8)));
1174 }
1175 return (wwn);
1176 }
1177
1178 /*
1179 * Make sure we have good FC link and know our Loop ID.
1180 */
1181
1182 static int
1183 isp_fclink_test(isp, waitdelay)
1184 struct ispsoftc *isp;
1185 int waitdelay;
1186 {
1187 static char *toponames[] = {
1188 "Private Loop",
1189 "FL Port",
1190 "N-Port to N-Port",
1191 "F Port"
1192 };
1193 char *tname;
1194 mbreg_t mbs;
1195 int count, topo = -1;
1196 u_int8_t lwfs;
1197 fcparam *fcp;
1198 #if defined(ISP2100_FABRIC)
1199 isp_pdb_t pdb;
1200 #endif
1201 fcp = isp->isp_param;
1202
1203 /*
1204 * Wait up to N microseconds for F/W to go to a ready state.
1205 */
1206 lwfs = FW_CONFIG_WAIT;
1207 for (count = 0; count < waitdelay; count += 100) {
1208 isp_fw_state(isp);
1209 if (lwfs != fcp->isp_fwstate) {
1210 PRINTF("%s: Firmware State %s -> %s\n",
1211 isp->isp_name, isp2100_fw_statename((int)lwfs),
1212 isp2100_fw_statename((int)fcp->isp_fwstate));
1213 lwfs = fcp->isp_fwstate;
1214 }
1215 if (fcp->isp_fwstate == FW_READY) {
1216 break;
1217 }
1218 SYS_DELAY(100); /* wait 100 microseconds */
1219 }
1220
1221 /*
1222 * If we haven't gone to 'ready' state, return.
1223 */
1224 if (fcp->isp_fwstate != FW_READY) {
1225 return (-1);
1226 }
1227
1228 /*
1229 * Get our Loop ID (if possible). We really need to have it.
1230 */
1231 mbs.param[0] = MBOX_GET_LOOP_ID;
1232 isp_mboxcmd(isp, &mbs);
1233 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
1234 PRINTF("%s: GET LOOP ID failed\n", isp->isp_name);
1235 return (-1);
1236 }
1237 fcp->isp_loopid = mbs.param[1];
1238 if (isp->isp_type == ISP_HA_FC_2200) {
1239 if (ISP_FW_REVX(isp->isp_fwrev) >= ISP_FW_REV(2, 0, 14)) {
1240 topo = (int) mbs.param[6];
1241 }
1242 } else if (isp->isp_type == ISP_HA_FC_2100) {
1243 if (ISP_FW_REVX(isp->isp_fwrev) >= ISP_FW_REV(1, 17, 26)) {
1244 topo = (int) mbs.param[6];
1245 }
1246 }
1247 if (topo < 0 || topo > 3)
1248 tname = "unknown";
1249 else
1250 tname = toponames[topo];
1251
1252 /*
1253 * If we're not on a fabric, the low 8 bits will be our AL_PA.
1254 * If we're on a fabric, the low 8 bits will still be our AL_PA.
1255 */
1256 fcp->isp_alpa = mbs.param[2];
1257 #if defined(ISP2100_FABRIC)
1258 fcp->isp_onfabric = 0;
1259 if (isp_getpdb(isp, FL_PORT_ID, &pdb) == 0) {
1260 fcp->isp_portid = mbs.param[2] | (((int)mbs.param[3]) << 16);
1261 fcp->isp_onfabric = 1;
1262 CFGPRINTF("%s: Loop ID %d, AL_PA 0x%x, Port ID 0x%x Loop State "
1263 "0x%x topology %s\n", isp->isp_name, fcp->isp_loopid,
1264 fcp->isp_alpa, fcp->isp_portid, fcp->isp_loopstate, tname);
1265
1266 /*
1267 * Make sure we're logged out of all fabric devices.
1268 */
1269 for (count = FC_SNS_ID+1; count < MAX_FC_TARG; count++) {
1270 struct lportdb *lp = &fcp->portdb[count];
1271 if (lp->valid == 0 || lp->fabdev == 0)
1272 continue;
1273 PRINTF("%s: logging out target %d at Loop ID %d "
1274 "(port id 0x%x)\n", isp->isp_name, count,
1275 lp->loopid, lp->portid);
1276 mbs.param[0] = MBOX_FABRIC_LOGOUT;
1277 mbs.param[1] = lp->loopid << 8;
1278 mbs.param[2] = 0;
1279 mbs.param[3] = 0;
1280 isp_mboxcmd(isp, &mbs);
1281 }
1282 } else
1283 #endif
1284 CFGPRINTF("%s: Loop ID %d, ALPA 0x%x Loop State 0x%x topology %s\n",
1285 isp->isp_name, fcp->isp_loopid, fcp->isp_alpa, fcp->isp_loopstate,
1286 tname);
1287 fcp->loop_seen_once = 1;
1288 return (0);
1289 }
1290
1291 /*
1292 * Compare two local port db entities and return 1 if they're the same, else 0.
1293 */
1294
1295 static int
1296 isp_same_lportdb(a, b)
1297 struct lportdb *a, *b;
1298 {
1299 /*
1300 * We decide two lports are the same if they have non-zero and
1301 * identical port WWNs and identical loop IDs.
1302 */
1303
1304 if (a->port_wwn == 0 || a->port_wwn != b->port_wwn ||
1305 a->loopid != b->loopid) {
1306 return (0);
1307 } else {
1308 return (1);
1309 }
1310 }
1311
1312 /*
1313 * Synchronize our soft copy of the port database with what the f/w thinks
1314 * (with a view toward possibly for a specific target....)
1315 */
1316
1317 static int
1318 isp_pdb_sync(isp, target)
1319 struct ispsoftc *isp;
1320 int target;
1321 {
1322 struct lportdb *lp, *tport;
1323 fcparam *fcp = isp->isp_param;
1324 isp_pdb_t pdb;
1325 int loopid, lim;
1326
1327 #ifdef ISP2100_FABRIC
1328 /*
1329 * XXX: If we do this *after* building up our local port database,
1330 * XXX: the commands simply don't work.
1331 */
1332 /*
1333 * (Re)discover all fabric devices
1334 */
1335 if (fcp->isp_onfabric)
1336 (void) isp_scan_fabric(isp);
1337 #endif
1338
1339
1340 /*
1341 * Run through the local loop ports and get port database info
1342 * for each loop ID.
1343 *
1344 * There's a somewhat unexplained situation where the f/w passes back
1345 * the wrong database entity- if that happens, just restart (up to
1346 * FL_PORT_ID times).
1347 */
1348 tport = fcp->tport;
1349 /*
1350 * make sure the temp port database is clean...
1351 */
1352 MEMZERO((void *) tport, sizeof (tport));
1353 for (lim = loopid = 0; loopid < FL_PORT_ID; loopid++) {
1354 lp = &tport[loopid];
1355 lp->node_wwn = isp_get_portname(isp, loopid, 1);
1356 if (lp->node_wwn == 0)
1357 continue;
1358 lp->port_wwn = isp_get_portname(isp, loopid, 0);
1359 if (lp->port_wwn == 0) {
1360 lp->node_wwn = 0;
1361 continue;
1362 }
1363
1364 /*
1365 * Get an entry....
1366 */
1367 if (isp_getpdb(isp, loopid, &pdb) != 0) {
1368 continue;
1369 }
1370
1371 /*
1372 * If the returned database element doesn't match what we
1373 * asked for, restart the process entirely (up to a point...).
1374 */
1375 if (pdb.pdb_loopid != loopid) {
1376 IDPRINTF(1, ("%s: wankage (%d != %d)\n",
1377 isp->isp_name, pdb.pdb_loopid, loopid));
1378 loopid = 0;
1379 if (lim++ < FL_PORT_ID) {
1380 continue;
1381 }
1382 PRINTF("%s: giving up on synchronizing the port "
1383 "database\n", isp->isp_name);
1384 return (-1);
1385 }
1386
1387 /*
1388 * Save the pertinent info locally.
1389 */
1390 lp->node_wwn =
1391 (((u_int64_t)pdb.pdb_nodename[0]) << 56) |
1392 (((u_int64_t)pdb.pdb_nodename[1]) << 48) |
1393 (((u_int64_t)pdb.pdb_nodename[2]) << 40) |
1394 (((u_int64_t)pdb.pdb_nodename[3]) << 32) |
1395 (((u_int64_t)pdb.pdb_nodename[4]) << 24) |
1396 (((u_int64_t)pdb.pdb_nodename[5]) << 16) |
1397 (((u_int64_t)pdb.pdb_nodename[6]) << 8) |
1398 (((u_int64_t)pdb.pdb_nodename[7]));
1399 lp->port_wwn =
1400 (((u_int64_t)pdb.pdb_portname[0]) << 56) |
1401 (((u_int64_t)pdb.pdb_portname[1]) << 48) |
1402 (((u_int64_t)pdb.pdb_portname[2]) << 40) |
1403 (((u_int64_t)pdb.pdb_portname[3]) << 32) |
1404 (((u_int64_t)pdb.pdb_portname[4]) << 24) |
1405 (((u_int64_t)pdb.pdb_portname[5]) << 16) |
1406 (((u_int64_t)pdb.pdb_portname[6]) << 8) |
1407 (((u_int64_t)pdb.pdb_portname[7]));
1408 lp->roles =
1409 (pdb.pdb_prli_svc3 & SVC3_ROLE_MASK) >> SVC3_ROLE_SHIFT;
1410 lp->portid = BITS2WORD(pdb.pdb_portid_bits);
1411 lp->loopid = pdb.pdb_loopid;
1412 /*
1413 * Do a quick check to see whether this matches the saved port
1414 * database for the same loopid. We do this here to save
1415 * searching later (if possible). Note that this fails over
1416 * time as things shuffle on the loop- we get the current
1417 * loop state (where loop id as an index matches loop id in
1418 * use) and then compare it to our saved database which
1419 * never shifts.
1420 */
1421 if (isp_same_lportdb(lp, &fcp->portdb[target])) {
1422 lp->valid = 1;
1423 }
1424 }
1425
1426 /*
1427 * If we get this far, we've settled our differences with the f/w
1428 * and we can say that the loop state is ready.
1429 */
1430 fcp->isp_loopstate = LOOP_READY;
1431
1432 /*
1433 * Mark all of the permanent local loop database entries as invalid.
1434 */
1435 for (loopid = 0; loopid < FL_PORT_ID; loopid++) {
1436 fcp->portdb[loopid].valid = 0;
1437 }
1438
1439 /*
1440 * Now merge our local copy of the port database into our saved copy.
1441 * Notify the outer layers of new devices arriving.
1442 */
1443 for (loopid = 0; loopid < FL_PORT_ID; loopid++) {
1444 int i;
1445
1446 /*
1447 * If we don't have a non-zero Port WWN, we're not here.
1448 */
1449 if (tport[loopid].port_wwn == 0) {
1450 continue;
1451 }
1452
1453 /*
1454 * If we've already marked our tmp copy as valid,
1455 * this means that we've decided that it's the
1456 * same as our saved data base. This didn't include
1457 * the 'valid' marking so we have set that here.
1458 */
1459 if (tport[loopid].valid) {
1460 fcp->portdb[loopid].valid = 1;
1461 continue;
1462 }
1463
1464 /*
1465 * For the purposes of deciding whether this is the
1466 * 'same' device or not, we only search for an identical
1467 * Port WWN. Node WWNs may or may not be the same as
1468 * the Port WWN, and there may be multiple different
1469 * Port WWNs with the same Node WWN. It would be chaos
1470 * to have multiple identical Port WWNs, so we don't
1471 * allow that.
1472 */
1473
1474 for (i = 0; i < FL_PORT_ID; i++) {
1475 int j;
1476 if (fcp->portdb[i].port_wwn == 0)
1477 continue;
1478 if (fcp->portdb[i].port_wwn != tport[loopid].port_wwn)
1479 continue;
1480 /*
1481 * We found this WWN elsewhere- it's changed
1482 * loopids then. We don't change it's actual
1483 * position in our cached port database- we
1484 * just change the actual loop ID we'd use.
1485 */
1486 if (fcp->portdb[i].loopid != loopid) {
1487 PRINTF("%s: Target ID %d Loop 0x%x (Port 0x%x) "
1488 "=> Loop 0x%x (Port 0x%x) \n",
1489 isp->isp_name, i, fcp->portdb[i].loopid,
1490 fcp->portdb[i].portid, loopid,
1491 tport[loopid].portid);
1492 }
1493 fcp->portdb[i].portid = tport[loopid].portid;
1494 fcp->portdb[i].loopid = loopid;
1495 fcp->portdb[i].valid = 1;
1496 /*
1497 * XXX: Should we also propagate roles in case they
1498 * XXX: changed?
1499 */
1500
1501 /*
1502 * Now make sure this Port WWN doesn't exist elsewhere
1503 * in the port database.
1504 */
1505 for (j = i+1; j < FL_PORT_ID; j++) {
1506 if (fcp->portdb[i].port_wwn !=
1507 fcp->portdb[j].port_wwn) {
1508 continue;
1509 }
1510 PRINTF("%s: Target ID %d Duplicates Target ID "
1511 "%d- killing off both\n",
1512 isp->isp_name, j, i);
1513 /*
1514 * Invalidate the 'old' *and* 'new' ones.
1515 * This is really harsh and not quite right,
1516 * but if this happens, we really don't know
1517 * who is what at this point.
1518 */
1519 fcp->portdb[i].valid = 0;
1520 fcp->portdb[j].valid = 0;
1521 }
1522 break;
1523 }
1524
1525 /*
1526 * If we didn't traverse the entire port database,
1527 * then we found (and remapped) an existing entry.
1528 * No need to notify anyone- go for the next one.
1529 */
1530 if (i < FL_PORT_ID) {
1531 continue;
1532 }
1533
1534 /*
1535 * We've not found this Port WWN anywhere. It's a new entry.
1536 * See if we can leave it where it is (with target == loopid).
1537 */
1538 if (fcp->portdb[loopid].port_wwn != 0) {
1539 for (lim = 0; lim < FL_PORT_ID; lim++) {
1540 if (fcp->portdb[lim].port_wwn == 0)
1541 break;
1542 }
1543 /* "Cannot Happen" */
1544 if (lim == FL_PORT_ID) {
1545 PRINTF("%s: remap overflow?\n", isp->isp_name);
1546 continue;
1547 }
1548 i = lim;
1549 } else {
1550 i = loopid;
1551 }
1552
1553 /*
1554 * NB: The actual loopid we use here is loopid- we may
1555 * in fact be at a completely different index (target).
1556 */
1557 fcp->portdb[i].loopid = loopid;
1558 fcp->portdb[i].port_wwn = tport[loopid].port_wwn;
1559 fcp->portdb[i].node_wwn = tport[loopid].node_wwn;
1560 fcp->portdb[i].roles = tport[loopid].roles;
1561 fcp->portdb[i].portid = tport[loopid].portid;
1562 fcp->portdb[i].valid = 1;
1563
1564 /*
1565 * Tell the outside world we've arrived.
1566 */
1567 (void) isp_async(isp, ISPASYNC_PDB_CHANGED, &i);
1568 }
1569
1570 /*
1571 * Now find all previously used targets that are now invalid and
1572 * notify the outer layers that they're gone.
1573 */
1574 for (lp = fcp->portdb; lp < &fcp->portdb[FL_PORT_ID]; lp++) {
1575 if (lp->valid || lp->port_wwn == 0)
1576 continue;
1577
1578 /*
1579 * Tell the outside world we've gone away.
1580 */
1581 loopid = lp - fcp->portdb;
1582 (void) isp_async(isp, ISPASYNC_PDB_CHANGED, &loopid);
1583 MEMZERO((void *) lp, sizeof (*lp));
1584 }
1585
1586 #ifdef ISP2100_FABRIC
1587 /*
1588 * Now log in any fabric devices
1589 */
1590 for (lp = &fcp->portdb[FC_SNS_ID+1];
1591 lp < &fcp->portdb[MAX_FC_TARG]; lp++) {
1592 mbreg_t mbs;
1593
1594 /*
1595 * Nothing here?
1596 */
1597 if (lp->port_wwn == 0)
1598 continue;
1599 /*
1600 * Don't try to log into yourself.
1601 */
1602 if (lp->portid == fcp->isp_portid)
1603 continue;
1604
1605 /*
1606 * Force a logout.
1607 */
1608 lp->loopid = loopid = lp - fcp->portdb;
1609 mbs.param[0] = MBOX_FABRIC_LOGOUT;
1610 mbs.param[1] = lp->loopid << 8;
1611 mbs.param[2] = 0;
1612 mbs.param[3] = 0;
1613 isp_mboxcmd(isp, &mbs);
1614
1615 /*
1616 * And log in....
1617 */
1618 mbs.param[0] = MBOX_FABRIC_LOGIN;
1619 mbs.param[1] = lp->loopid << 8;
1620 mbs.param[2] = lp->portid >> 16;
1621 mbs.param[3] = lp->portid & 0xffff;
1622 isp_mboxcmd(isp, &mbs);
1623 switch (mbs.param[0]) {
1624 case MBOX_COMMAND_COMPLETE:
1625 break;
1626 case MBOX_COMMAND_ERROR:
1627 switch (mbs.param[1]) {
1628 case 1:
1629 PRINTF("%s: no loop\n", isp->isp_name);
1630 break;
1631 case 2:
1632 PRINTF("%s: IOCB buffer could not be alloced\n",
1633 isp->isp_name);
1634 break;
1635 case 3:
1636 PRINTF("%s: could not alloc xchange resource\n",
1637 isp->isp_name);
1638 break;
1639 case 4:
1640 PRINTF("%s: ELS timeout\n", isp->isp_name);
1641 break;
1642 case 5:
1643 PRINTF("%s: no fabric port\n", isp->isp_name);
1644 break;
1645 case 6:
1646 PRINTF("%s: remote device cannot be a target\n",
1647 isp->isp_name);
1648 break;
1649 default:
1650 break;
1651 }
1652 continue;
1653 default:
1654 continue;
1655 }
1656
1657 lp->valid = 1;
1658 lp->fabdev = 1;
1659 if (isp_getpdb(isp, loopid, &pdb) != 0) {
1660 /*
1661 * Be kind...
1662 */
1663 lp->roles = (SVC3_TGT_ROLE >> SVC3_ROLE_SHIFT);
1664 PRINTF("%s: Faked PortID 0x%x into LoopID %d\n",
1665 isp->isp_name, lp->portid, lp->loopid);
1666 continue;
1667 }
1668 if (pdb.pdb_loopid != lp->loopid) {
1669 lp->roles = (SVC3_TGT_ROLE >> SVC3_ROLE_SHIFT);
1670 PRINTF("%s: Wanked PortID 0x%x to LoopID %d\n",
1671 isp->isp_name, lp->portid, lp->loopid);
1672 continue;
1673 }
1674 lp->roles =
1675 (pdb.pdb_prli_svc3 & SVC3_ROLE_MASK) >> SVC3_ROLE_SHIFT;
1676 lp->portid = BITS2WORD(pdb.pdb_portid_bits);
1677 lp->loopid = loopid;
1678 lp->node_wwn =
1679 (((u_int64_t)pdb.pdb_nodename[0]) << 56) |
1680 (((u_int64_t)pdb.pdb_nodename[1]) << 48) |
1681 (((u_int64_t)pdb.pdb_nodename[2]) << 40) |
1682 (((u_int64_t)pdb.pdb_nodename[3]) << 32) |
1683 (((u_int64_t)pdb.pdb_nodename[4]) << 24) |
1684 (((u_int64_t)pdb.pdb_nodename[5]) << 16) |
1685 (((u_int64_t)pdb.pdb_nodename[6]) << 8) |
1686 (((u_int64_t)pdb.pdb_nodename[7]));
1687 lp->port_wwn =
1688 (((u_int64_t)pdb.pdb_portname[0]) << 56) |
1689 (((u_int64_t)pdb.pdb_portname[1]) << 48) |
1690 (((u_int64_t)pdb.pdb_portname[2]) << 40) |
1691 (((u_int64_t)pdb.pdb_portname[3]) << 32) |
1692 (((u_int64_t)pdb.pdb_portname[4]) << 24) |
1693 (((u_int64_t)pdb.pdb_portname[5]) << 16) |
1694 (((u_int64_t)pdb.pdb_portname[6]) << 8) |
1695 (((u_int64_t)pdb.pdb_portname[7]));
1696 /*
1697 * Check to make sure this all makes sense.
1698 */
1699 if (lp->node_wwn && lp->port_wwn) {
1700 (void) isp_async(isp, ISPASYNC_PDB_CHANGED, &loopid);
1701 continue;
1702 }
1703 lp->fabdev = lp->valid = 0;
1704 PRINTF("%s: Target %d (Loop 0x%x) Port ID 0x%x lost its WWN\n",
1705 isp->isp_name, loopid, lp->loopid, lp->portid);
1706 mbs.param[0] = MBOX_FABRIC_LOGOUT;
1707 mbs.param[1] = lp->loopid << 8;
1708 mbs.param[2] = 0;
1709 mbs.param[3] = 0;
1710 isp_mboxcmd(isp, &mbs);
1711 }
1712 #endif
1713 return (0);
1714 }
1715
1716 #ifdef ISP2100_FABRIC
1717 static int
1718 isp_scan_fabric(isp)
1719 struct ispsoftc *isp;
1720 {
1721 fcparam *fcp = isp->isp_param;
1722 u_int32_t portid, first_nz_portid;
1723 sns_screq_t *reqp;
1724 sns_scrsp_t *resp;
1725 mbreg_t mbs;
1726 int hicap;
1727
1728 reqp = (sns_screq_t *) fcp->isp_scratch;
1729 resp = (sns_scrsp_t *) (&((char *)fcp->isp_scratch)[0x100]);
1730 first_nz_portid = portid = fcp->isp_portid;
1731
1732 for (hicap = 0; hicap < 1024; hicap++) {
1733 MEMZERO((void *) reqp, SNS_GAN_REQ_SIZE);
1734 reqp->snscb_rblen = SNS_GAN_RESP_SIZE >> 1;
1735 reqp->snscb_addr[RQRSP_ADDR0015] =
1736 DMA_LSW(fcp->isp_scdma + 0x100);
1737 reqp->snscb_addr[RQRSP_ADDR1631] =
1738 DMA_MSW(fcp->isp_scdma + 0x100);
1739 reqp->snscb_sblen = 6;
1740 reqp->snscb_data[0] = SNS_GAN;
1741 reqp->snscb_data[4] = portid & 0xffff;
1742 reqp->snscb_data[5] = (portid >> 16) & 0xff;
1743 ISP_SWIZZLE_SNS_REQ(isp, reqp);
1744 mbs.param[0] = MBOX_SEND_SNS;
1745 mbs.param[1] = SNS_GAN_REQ_SIZE >> 1;
1746 mbs.param[2] = DMA_MSW(fcp->isp_scdma);
1747 mbs.param[3] = DMA_LSW(fcp->isp_scdma);
1748 mbs.param[6] = 0;
1749 mbs.param[7] = 0;
1750 MemoryBarrier();
1751 isp_mboxcmd(isp, &mbs);
1752 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
1753 return (-1);
1754 }
1755 ISP_UNSWIZZLE_SNS_RSP(isp, resp, SNS_GAN_RESP_SIZE >> 1);
1756 portid = (((u_int32_t) resp->snscb_port_id[0]) << 16) |
1757 (((u_int32_t) resp->snscb_port_id[1]) << 8) |
1758 (((u_int32_t) resp->snscb_port_id[2]));
1759 if (isp_async(isp, ISPASYNC_FABRIC_DEV, resp)) {
1760 return (-1);
1761 }
1762 if (first_nz_portid == 0 && portid) {
1763 first_nz_portid = portid;
1764 }
1765 if (first_nz_portid == portid) {
1766 return (0);
1767 }
1768 }
1769 /*
1770 * We either have a broken name server or a huge fabric if we get here.
1771 */
1772 return (0);
1773 }
1774 #endif
1775 /*
1776 * Start a command. Locking is assumed done in the caller.
1777 */
1778
1779 int32_t
1780 ispscsicmd(xs)
1781 ISP_SCSI_XFER_T *xs;
1782 {
1783 struct ispsoftc *isp;
1784 u_int16_t iptr, optr;
1785 union {
1786 ispreq_t *_reqp;
1787 ispreqt2_t *_t2reqp;
1788 } _u;
1789 #define reqp _u._reqp
1790 #define t2reqp _u._t2reqp
1791 #define UZSIZE max(sizeof (ispreq_t), sizeof (ispreqt2_t))
1792 int target, i;
1793
1794 XS_INITERR(xs);
1795 isp = XS_ISP(xs);
1796
1797 if (isp->isp_state != ISP_RUNSTATE) {
1798 PRINTF("%s: adapter not ready\n", isp->isp_name);
1799 XS_SETERR(xs, HBA_BOTCH);
1800 return (CMD_COMPLETE);
1801 }
1802
1803 /*
1804 * We *could* do the different sequence type that has close
1805 * to the whole Queue Entry for the command...
1806 */
1807
1808 if (XS_CDBLEN(xs) > (IS_FC(isp) ? 16 : 12) || XS_CDBLEN(xs) == 0) {
1809 PRINTF("%s: unsupported cdb length (%d, CDB[0]=0x%x)\n",
1810 isp->isp_name, XS_CDBLEN(xs), XS_CDBP(xs)[0]);
1811 XS_SETERR(xs, HBA_BOTCH);
1812 return (CMD_COMPLETE);
1813 }
1814
1815 /*
1816 * Check to see whether we have good firmware state still or
1817 * need to refresh our port database for this target.
1818 */
1819 target = XS_TGT(xs);
1820 if (IS_FC(isp)) {
1821 fcparam *fcp = isp->isp_param;
1822 struct lportdb *lp;
1823 #if defined(ISP2100_FABRIC)
1824 if (target >= FL_PORT_ID) {
1825 /*
1826 * If we're not on a Fabric, we can't have a target
1827 * above FL_PORT_ID-1. If we're on a fabric, we
1828 * can't have a target less than FC_SNS_ID+1.
1829 */
1830 if (fcp->isp_onfabric == 0 || target <= FC_SNS_ID) {
1831 XS_SETERR(xs, HBA_SELTIMEOUT);
1832 return (CMD_COMPLETE);
1833 }
1834 }
1835 #endif
1836 /*
1837 * Check for f/w being in ready state. If the f/w
1838 * isn't in ready state, then we don't know our
1839 * loop ID and the f/w hasn't completed logging
1840 * into all targets on the loop. If this is the
1841 * case, then bounce the command. We pretend this is
1842 * a SELECTION TIMEOUT error if we've never gone to
1843 * FW_READY state at all- in this case we may not
1844 * be hooked to a loop at all and we shouldn't hang
1845 * the machine for this. Otherwise, defer this command
1846 * until later.
1847 */
1848 if (fcp->isp_fwstate != FW_READY) {
1849 if (isp_fclink_test(isp, FC_FW_READY_DELAY)) {
1850 XS_SETERR(xs, HBA_SELTIMEOUT);
1851 if (fcp->loop_seen_once) {
1852 return (CMD_RQLATER);
1853 } else {
1854 return (CMD_COMPLETE);
1855 }
1856 }
1857 }
1858
1859 /*
1860 * If our loop state is such that we haven't yet received
1861 * a "Port Database Changed" notification (after a LIP or
1862 * a Loop Reset or firmware initialization), then defer
1863 * sending commands for a little while.
1864 */
1865 if (fcp->isp_loopstate < LOOP_PDB_RCVD) {
1866 XS_SETERR(xs, HBA_SELTIMEOUT);
1867 return (CMD_RQLATER);
1868 }
1869
1870 /*
1871 * If our loop state is now such that we've just now
1872 * received a Port Database Change notification, then
1873 * we have to go off and (re)synchronize our port
1874 * database.
1875 */
1876 if (fcp->isp_loopstate == LOOP_PDB_RCVD) {
1877 if (isp_pdb_sync(isp, target)) {
1878 XS_SETERR(xs, HBA_SELTIMEOUT);
1879 return (CMD_COMPLETE);
1880 }
1881 }
1882
1883 /*
1884 * Now check whether we should even think about pursuing this.
1885 */
1886 lp = &fcp->portdb[target];
1887 if (lp->valid == 0) {
1888 XS_SETERR(xs, HBA_SELTIMEOUT);
1889 return (CMD_COMPLETE);
1890 }
1891 if ((lp->roles & (SVC3_TGT_ROLE >> SVC3_ROLE_SHIFT)) == 0) {
1892 IDPRINTF(3, ("%s: target %d is not a target\n",
1893 isp->isp_name, target));
1894 XS_SETERR(xs, HBA_SELTIMEOUT);
1895 return (CMD_COMPLETE);
1896 }
1897 /*
1898 * Now turn target into what the actual loop ID is.
1899 */
1900 target = lp->loopid;
1901 }
1902
1903 /*
1904 * Next check to see if any HBA or Device
1905 * parameters need to be updated.
1906 */
1907 if (isp->isp_update != 0) {
1908 isp_update(isp);
1909 }
1910
1911 if (isp_getrqentry(isp, &iptr, &optr, (void **) &reqp)) {
1912 IDPRINTF(1, ("%s: Request Queue Overflow\n", isp->isp_name));
1913 XS_SETERR(xs, HBA_BOTCH);
1914 return (CMD_EAGAIN);
1915 }
1916
1917 /*
1918 * Now see if we need to synchronize the ISP with respect to anything.
1919 * We do dual duty here (cough) for synchronizing for busses other
1920 * than which we got here to send a command to.
1921 */
1922 if (isp->isp_sendmarker) {
1923 u_int8_t n = (IS_12X0(isp)? 2: 1);
1924 /*
1925 * Check ports to send markers for...
1926 */
1927 for (i = 0; i < n; i++) {
1928 if ((isp->isp_sendmarker & (1 << i)) == 0) {
1929 continue;
1930 }
1931 MEMZERO((void *) reqp, sizeof (*reqp));
1932 reqp->req_header.rqs_entry_count = 1;
1933 reqp->req_header.rqs_entry_type = RQSTYPE_MARKER;
1934 reqp->req_modifier = SYNC_ALL;
1935 reqp->req_target = i << 7; /* insert bus number */
1936 ISP_SWIZZLE_REQUEST(isp, reqp);
1937 MemoryBarrier();
1938 ISP_ADD_REQUEST(isp, iptr);
1939
1940 if (isp_getrqentry(isp, &iptr, &optr, (void **)&reqp)) {
1941 IDPRINTF(1, ("%s: Request Queue Overflow+\n",
1942 isp->isp_name));
1943 XS_SETERR(xs, HBA_BOTCH);
1944 return (CMD_EAGAIN);
1945 }
1946 }
1947 }
1948
1949 MEMZERO((void *) reqp, UZSIZE);
1950 reqp->req_header.rqs_entry_count = 1;
1951 if (IS_FC(isp)) {
1952 reqp->req_header.rqs_entry_type = RQSTYPE_T2RQS;
1953 } else {
1954 reqp->req_header.rqs_entry_type = RQSTYPE_REQUEST;
1955 }
1956 reqp->req_header.rqs_flags = 0;
1957 reqp->req_header.rqs_seqno = 0;
1958 if (IS_FC(isp)) {
1959 /*
1960 * See comment in isp_intr
1961 */
1962 XS_RESID(xs) = 0;
1963
1964 /*
1965 * Fibre Channel always requires some kind of tag.
1966 * The Qlogic drivers seem be happy not to use a tag,
1967 * but this breaks for some devices (IBM drives).
1968 */
1969 if (XS_CANTAG(xs)) {
1970 t2reqp->req_flags = XS_KINDOF_TAG(xs);
1971 } else {
1972 if (XS_CDBP(xs)[0] == 0x3) /* REQUEST SENSE */
1973 t2reqp->req_flags = REQFLAG_HTAG;
1974 else
1975 t2reqp->req_flags = REQFLAG_OTAG;
1976 }
1977 } else {
1978 sdparam *sdp = (sdparam *)isp->isp_param;
1979 if ((sdp->isp_devparam[target].cur_dflags & DPARM_TQING) &&
1980 XS_CANTAG(xs)) {
1981 reqp->req_flags = XS_KINDOF_TAG(xs);
1982 }
1983 }
1984 reqp->req_target = target | (XS_CHANNEL(xs) << 7);
1985 if (IS_SCSI(isp)) {
1986 reqp->req_lun_trn = XS_LUN(xs);
1987 reqp->req_cdblen = XS_CDBLEN(xs);
1988 } else {
1989 #ifdef ISP2100_SCCLUN
1990 t2reqp->req_scclun = XS_LUN(xs);
1991 #else
1992 t2reqp->req_lun_trn = XS_LUN(xs);
1993 #endif
1994 }
1995 MEMCPY(reqp->req_cdb, XS_CDBP(xs), XS_CDBLEN(xs));
1996
1997 reqp->req_time = XS_TIME(xs) / 1000;
1998 if (reqp->req_time == 0 && XS_TIME(xs))
1999 reqp->req_time = 1;
2000
2001 /*
2002 * Always give a bit more leeway to commands after a bus reset.
2003 * XXX: DOES NOT DISTINGUISH WHICH PORT MAY HAVE BEEN SYNCED
2004 */
2005 if (isp->isp_sendmarker && reqp->req_time < 5) {
2006 reqp->req_time = 5;
2007 }
2008 if (isp_save_xs(isp, xs, &reqp->req_handle)) {
2009 IDPRINTF(2, ("%s: out of xflist pointers\n", isp->isp_name));
2010 XS_SETERR(xs, HBA_BOTCH);
2011 return (CMD_EAGAIN);
2012 }
2013 /*
2014 * Set up DMA and/or do any bus swizzling of the request entry
2015 * so that the Qlogic F/W understands what is being asked of it.
2016 */
2017 i = ISP_DMASETUP(isp, xs, reqp, &iptr, optr);
2018 if (i != CMD_QUEUED) {
2019 isp_destroy_handle(isp, reqp->req_handle);
2020 /*
2021 * dmasetup sets actual error in packet, and
2022 * return what we were given to return.
2023 */
2024 return (i);
2025 }
2026 XS_SETERR(xs, HBA_NOERROR);
2027 IDPRINTF(5, ("%s(%d.%d.%d): START cmd 0x%x datalen %d\n",
2028 isp->isp_name, XS_CHANNEL(xs), target, XS_LUN(xs),
2029 reqp->req_cdb[0], XS_XFRLEN(xs)));
2030 MemoryBarrier();
2031 ISP_ADD_REQUEST(isp, iptr);
2032 isp->isp_nactive++;
2033 if (isp->isp_sendmarker)
2034 isp->isp_sendmarker = 0;
2035 return (CMD_QUEUED);
2036 #undef reqp
2037 #undef t2reqp
2038 }
2039
2040 /*
2041 * isp control
2042 * Locks (ints blocked) assumed held.
2043 */
2044
2045 int
2046 isp_control(isp, ctl, arg)
2047 struct ispsoftc *isp;
2048 ispctl_t ctl;
2049 void *arg;
2050 {
2051 ISP_SCSI_XFER_T *xs;
2052 mbreg_t mbs;
2053 int bus, tgt;
2054 u_int32_t handle;
2055
2056 switch (ctl) {
2057 default:
2058 PRINTF("%s: isp_control unknown control op %x\n",
2059 isp->isp_name, ctl);
2060 break;
2061
2062 case ISPCTL_RESET_BUS:
2063 /*
2064 * Issue a bus reset.
2065 */
2066 mbs.param[0] = MBOX_BUS_RESET;
2067 if (IS_SCSI(isp)) {
2068 mbs.param[1] =
2069 ((sdparam *) isp->isp_param)->isp_bus_reset_delay;
2070 if (mbs.param[1] < 2)
2071 mbs.param[1] = 2;
2072 bus = *((int *) arg);
2073 mbs.param[2] = bus;
2074 } else {
2075 mbs.param[1] = 10;
2076 mbs.param[2] = 0;
2077 bus = 0;
2078 }
2079 isp->isp_sendmarker = 1 << bus;
2080 isp_mboxcmd(isp, &mbs);
2081 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
2082 isp_dumpregs(isp, "isp_control SCSI bus reset failed");
2083 break;
2084 }
2085 CFGPRINTF("%s: driver initiated bus reset of bus %d\n",
2086 isp->isp_name, bus);
2087 return (0);
2088
2089 case ISPCTL_RESET_DEV:
2090 tgt = (*((int *) arg)) & 0xffff;
2091 bus = (*((int *) arg)) >> 16;
2092 mbs.param[0] = MBOX_ABORT_TARGET;
2093 mbs.param[1] = (tgt << 8) | (bus << 15);
2094 mbs.param[2] = 3; /* 'delay', in seconds */
2095 isp_mboxcmd(isp, &mbs);
2096 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
2097 PRINTF("%s: isp_control MBOX_RESET_DEV failure (code "
2098 "%x)\n", isp->isp_name, mbs.param[0]);
2099 break;
2100 }
2101 PRINTF("%s: Target %d on Bus %d Reset Succeeded\n",
2102 isp->isp_name, tgt, bus);
2103 isp->isp_sendmarker = 1 << bus;
2104 return (0);
2105
2106 case ISPCTL_ABORT_CMD:
2107 xs = (ISP_SCSI_XFER_T *) arg;
2108 handle = isp_find_handle(isp, xs);
2109 if (handle == 0) {
2110 PRINTF("%s: isp_control- cannot find command to abort "
2111 "in active list\n", isp->isp_name);
2112 break;
2113 }
2114 bus = XS_CHANNEL(xs);
2115 mbs.param[0] = MBOX_ABORT;
2116 if (IS_FC(isp)) {
2117 #ifdef ISP2100_SCCLUN
2118 mbs.param[1] = XS_TGT(xs) << 8;
2119 mbs.param[4] = 0;
2120 mbs.param[5] = 0;
2121 mbs.param[6] = XS_LUN(xs);
2122 #else
2123 mbs.param[1] = XS_TGT(xs) << 8 | XS_LUN(xs);
2124 #endif
2125 } else {
2126 mbs.param[1] =
2127 (bus << 15) | (XS_TGT(xs) << 8) | XS_LUN(xs);
2128 }
2129 mbs.param[2] = handle >> 16;
2130 mbs.param[3] = handle & 0xffff;
2131 isp_mboxcmd(isp, &mbs);
2132 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
2133 PRINTF("%s: isp_control MBOX_ABORT failure (code %x)\n",
2134 isp->isp_name, mbs.param[0]);
2135 break;
2136 }
2137 PRINTF("%s: command for target %d lun %d was aborted\n",
2138 isp->isp_name, XS_TGT(xs), XS_LUN(xs));
2139 return (0);
2140
2141 case ISPCTL_UPDATE_PARAMS:
2142 isp_update(isp);
2143 return (0);
2144
2145 case ISPCTL_FCLINK_TEST:
2146 return (isp_fclink_test(isp, FC_FW_READY_DELAY));
2147 #ifdef ISP_TARGET_MODE
2148 case ISPCTL_ENABLE_LUN:
2149 return (isp_modify_lun, 1, arg));
2150
2151 case ISPCTL_MODIFY_LUN:
2152 return (isp_modify_lun, 0, arg));
2153 #endif
2154 }
2155 return (-1);
2156 }
2157
2158 /*
2159 * Interrupt Service Routine(s).
2160 *
2161 * External (OS) framework has done the appropriate locking,
2162 * and the locking will be held throughout this function.
2163 */
2164
2165 int
2166 isp_intr(arg)
2167 void *arg;
2168 {
2169 ISP_SCSI_XFER_T *complist[RESULT_QUEUE_LEN], *xs;
2170 struct ispsoftc *isp = arg;
2171 u_int16_t iptr, optr;
2172 u_int16_t isr, isrb, sema;
2173 int i, nlooked = 0, ndone = 0;
2174
2175 /*
2176 * Well, if we've disabled interrupts, we may get a case where
2177 * isr isn't set, but sema is. In any case, debounce isr reads.
2178 */
2179 do {
2180 isr = ISP_READ(isp, BIU_ISR);
2181 isrb = ISP_READ(isp, BIU_ISR);
2182 } while (isr != isrb);
2183 sema = ISP_READ(isp, BIU_SEMA) & 0x1;
2184 IDPRINTF(5, ("%s: isp_intr isr %x sem %x\n", isp->isp_name, isr, sema));
2185 if (isr == 0) {
2186 return (0);
2187 }
2188 if (!INT_PENDING(isp, isr)) {
2189 IDPRINTF(4, ("%s: isp_intr isr=%x\n", isp->isp_name, isr));
2190 return (0);
2191 }
2192 if (isp->isp_state != ISP_RUNSTATE) {
2193 IDPRINTF(3, ("%s: interrupt (isr=%x,sema=%x) when not ready\n",
2194 isp->isp_name, isr, sema));
2195 ISP_WRITE(isp, INMAILBOX5, ISP_READ(isp, OUTMAILBOX5));
2196 ISP_WRITE(isp, HCCR, HCCR_CMD_CLEAR_RISC_INT);
2197 ISP_WRITE(isp, BIU_SEMA, 0);
2198 ENABLE_INTS(isp);
2199 return (1);
2200 }
2201
2202 if (sema) {
2203 u_int16_t mbox = ISP_READ(isp, OUTMAILBOX0);
2204 if (mbox & 0x4000) {
2205 IDPRINTF(3, ("%s: Command Mbox 0x%x\n",
2206 isp->isp_name, mbox));
2207 } else {
2208 u_int32_t fhandle = isp_parse_async(isp, (int) mbox);
2209 IDPRINTF(3, ("%s: Async Mbox 0x%x\n",
2210 isp->isp_name, mbox));
2211 if (fhandle > 0) {
2212 isp_fastpost_complete(isp, fhandle);
2213 }
2214 }
2215 ISP_WRITE(isp, BIU_SEMA, 0);
2216 ISP_WRITE(isp, HCCR, HCCR_CMD_CLEAR_RISC_INT);
2217 ENABLE_INTS(isp);
2218 return (1);
2219 }
2220
2221 /*
2222 * You *must* read OUTMAILBOX5 prior to clearing the RISC interrupt.
2223 */
2224 optr = isp->isp_residx;
2225 iptr = ISP_READ(isp, OUTMAILBOX5);
2226 ISP_WRITE(isp, HCCR, HCCR_CMD_CLEAR_RISC_INT);
2227 if (optr == iptr) {
2228 IDPRINTF(4, ("why intr? isr %x iptr %x optr %x\n",
2229 isr, optr, iptr));
2230 }
2231
2232 while (optr != iptr) {
2233 ispstatusreq_t *sp;
2234 u_int16_t oop;
2235 int buddaboom = 0;
2236
2237 sp = (ispstatusreq_t *) ISP_QUEUE_ENTRY(isp->isp_result, optr);
2238 oop = optr;
2239 optr = ISP_NXT_QENTRY(optr, RESULT_QUEUE_LEN);
2240 nlooked++;
2241 MemoryBarrier();
2242 /*
2243 * Do any appropriate unswizzling of what the Qlogic f/w has
2244 * written into memory so it makes sense to us.
2245 */
2246 ISP_UNSWIZZLE_RESPONSE(isp, sp);
2247 if (sp->req_header.rqs_entry_type != RQSTYPE_RESPONSE) {
2248 if (isp_handle_other_response(isp, sp, &optr) == 0) {
2249 ISP_WRITE(isp, INMAILBOX5, optr);
2250 continue;
2251 }
2252 /*
2253 * It really has to be a bounced request just copied
2254 * from the request queue to the response queue. If
2255 * not, something bad has happened.
2256 */
2257 if (sp->req_header.rqs_entry_type != RQSTYPE_REQUEST) {
2258 ISP_WRITE(isp, INMAILBOX5, optr);
2259 PRINTF("%s: not RESPONSE in RESPONSE Queue "
2260 "(type 0x%x) @ idx %d (next %d)\n",
2261 isp->isp_name,
2262 sp->req_header.rqs_entry_type, oop, optr);
2263 continue;
2264 }
2265 buddaboom = 1;
2266 }
2267
2268 if (sp->req_header.rqs_flags & 0xf) {
2269 #define _RQS_OFLAGS \
2270 ~(RQSFLAG_CONTINUATION|RQSFLAG_FULL|RQSFLAG_BADHEADER|RQSFLAG_BADPACKET)
2271 if (sp->req_header.rqs_flags & RQSFLAG_CONTINUATION) {
2272 IDPRINTF(3, ("%s: continuation segment\n",
2273 isp->isp_name));
2274 ISP_WRITE(isp, INMAILBOX5, optr);
2275 continue;
2276 }
2277 if (sp->req_header.rqs_flags & RQSFLAG_FULL) {
2278 IDPRINTF(2, ("%s: internal queues full\n",
2279 isp->isp_name));
2280 /*
2281 * We'll synthesize a QUEUE FULL message below.
2282 */
2283 }
2284 if (sp->req_header.rqs_flags & RQSFLAG_BADHEADER) {
2285 PRINTF("%s: bad header\n", isp->isp_name);
2286 buddaboom++;
2287 }
2288 if (sp->req_header.rqs_flags & RQSFLAG_BADPACKET) {
2289 PRINTF("%s: bad request packet\n",
2290 isp->isp_name);
2291 buddaboom++;
2292 }
2293 if (sp->req_header.rqs_flags & _RQS_OFLAGS) {
2294 PRINTF("%s: unknown flags in response (0x%x)\n",
2295 isp->isp_name, sp->req_header.rqs_flags);
2296 buddaboom++;
2297 }
2298 #undef _RQS_OFLAGS
2299 }
2300 if (sp->req_handle > isp->isp_maxcmds || sp->req_handle < 1) {
2301 PRINTF("%s: bad request handle %d\n", isp->isp_name,
2302 sp->req_handle);
2303 ISP_WRITE(isp, INMAILBOX5, optr);
2304 continue;
2305 }
2306 xs = isp_find_xs(isp, sp->req_handle);
2307 if (xs == NULL) {
2308 PRINTF("%s: NULL xs in xflist (handle 0x%x)\n",
2309 isp->isp_name, sp->req_handle);
2310 ISP_WRITE(isp, INMAILBOX5, optr);
2311 continue;
2312 }
2313 isp_destroy_handle(isp, sp->req_handle);
2314 if (sp->req_status_flags & RQSTF_BUS_RESET) {
2315 isp->isp_sendmarker |= (1 << XS_CHANNEL(xs));
2316 }
2317 if (buddaboom) {
2318 XS_SETERR(xs, HBA_BOTCH);
2319 }
2320 XS_STS(xs) = sp->req_scsi_status & 0xff;
2321 if (IS_SCSI(isp)) {
2322 if (sp->req_state_flags & RQSF_GOT_SENSE) {
2323 MEMCPY(XS_SNSP(xs), sp->req_sense_data,
2324 XS_SNSLEN(xs));
2325 XS_SNS_IS_VALID(xs);
2326 }
2327 /*
2328 * A new synchronous rate was negotiated for this
2329 * target. Mark state such that we'll go look up
2330 * that which has changed later.
2331 */
2332 if (sp->req_status_flags & RQSTF_NEGOTIATION) {
2333 sdparam *sdp = isp->isp_param;
2334 sdp += XS_CHANNEL(xs);
2335 sdp->isp_devparam[XS_TGT(xs)].dev_refresh = 1;
2336 isp->isp_update |= (1 << XS_CHANNEL(xs));
2337 }
2338 } else {
2339 if (XS_STS(xs) == SCSI_CHECK) {
2340 XS_SNS_IS_VALID(xs);
2341 MEMCPY(XS_SNSP(xs), sp->req_sense_data,
2342 XS_SNSLEN(xs));
2343 sp->req_state_flags |= RQSF_GOT_SENSE;
2344 }
2345 }
2346 if (XS_NOERR(xs) && XS_STS(xs) == SCSI_BUSY) {
2347 XS_SETERR(xs, HBA_TGTBSY);
2348 }
2349
2350 if (sp->req_header.rqs_entry_type == RQSTYPE_RESPONSE) {
2351 if (XS_NOERR(xs)) {
2352 if (sp->req_completion_status != RQCS_COMPLETE) {
2353 isp_parse_status(isp, sp, xs);
2354 } else {
2355 XS_SETERR(xs, HBA_NOERROR);
2356 }
2357 }
2358 } else if (sp->req_header.rqs_entry_type == RQSTYPE_REQUEST) {
2359 if (sp->req_header.rqs_flags & RQSFLAG_FULL) {
2360 /*
2361 * Force Queue Full status.
2362 */
2363 XS_STS(xs) = SCSI_QFULL;
2364 XS_SETERR(xs, HBA_NOERROR);
2365 } else if (XS_NOERR(xs)) {
2366 XS_SETERR(xs, HBA_BOTCH);
2367 }
2368 } else {
2369 PRINTF("%s: unhandled respose queue type 0x%x\n",
2370 isp->isp_name, sp->req_header.rqs_entry_type);
2371 if (XS_NOERR(xs)) {
2372 XS_SETERR(xs, HBA_BOTCH);
2373 }
2374 }
2375 if (IS_SCSI(isp)) {
2376 XS_RESID(xs) = sp->req_resid;
2377 } else if (sp->req_scsi_status & RQCS_RU) {
2378 XS_RESID(xs) = sp->req_resid;
2379 IDPRINTF(4, ("%s: cnt %d rsd %d\n", isp->isp_name,
2380 XS_XFRLEN(xs), sp->req_resid));
2381 }
2382 if (XS_XFRLEN(xs)) {
2383 ISP_DMAFREE(isp, xs, sp->req_handle);
2384 }
2385 /*
2386 * XXX: If we have a check condition, but no Sense Data,
2387 * XXX: mark it as an error (ARQ failed). We need to
2388 * XXX: to do a more distinct job because there may
2389 * XXX: cases where ARQ is disabled.
2390 */
2391 if (XS_STS(xs) == SCSI_CHECK && !(XS_IS_SNS_VALID(xs))) {
2392 if (XS_NOERR(xs)) {
2393 PRINTF("%s: ARQ failure for target %d lun %d\n",
2394 isp->isp_name, XS_TGT(xs), XS_LUN(xs));
2395 XS_SETERR(xs, HBA_ARQFAIL);
2396 }
2397 }
2398 if ((isp->isp_dblev >= 5) ||
2399 (isp->isp_dblev > 2 && !XS_NOERR(xs))) {
2400 PRINTF("%s(%d.%d): FIN dl%d resid%d STS %x",
2401 isp->isp_name, XS_TGT(xs), XS_LUN(xs),
2402 XS_XFRLEN(xs), XS_RESID(xs), XS_STS(xs));
2403 if (sp->req_state_flags & RQSF_GOT_SENSE) {
2404 PRINTF(" Skey: %x", XS_SNSKEY(xs));
2405 if (!(XS_IS_SNS_VALID(xs))) {
2406 PRINTF(" BUT NOT SET");
2407 }
2408 }
2409 PRINTF(" XS_ERR=0x%x\n", (unsigned int) XS_ERR(xs));
2410 }
2411
2412 if (isp->isp_nactive > 0)
2413 isp->isp_nactive--;
2414 complist[ndone++] = xs; /* defer completion call until later */
2415 }
2416
2417 /*
2418 * If we looked at any commands, then it's valid to find out
2419 * what the outpointer is. It also is a trigger to update the
2420 * ISP's notion of what we've seen so far.
2421 */
2422 if (nlooked) {
2423 ISP_WRITE(isp, INMAILBOX5, optr);
2424 isp->isp_reqodx = ISP_READ(isp, OUTMAILBOX4);
2425 }
2426 isp->isp_residx = optr;
2427 for (i = 0; i < ndone; i++) {
2428 xs = complist[i];
2429 if (xs) {
2430 XS_CMD_DONE(xs);
2431 }
2432 }
2433 ENABLE_INTS(isp);
2434 return (1);
2435 }
2436
2437 /*
2438 * Support routines.
2439 */
2440
2441 static int
2442 isp_parse_async(isp, mbox)
2443 struct ispsoftc *isp;
2444 int mbox;
2445 {
2446 int bus;
2447 u_int32_t fast_post_handle = 0;
2448
2449 /*
2450 * It is not documented anywhere that bus is always in OUTMAILBOX6
2451 * for dual bus cards- and we don't have the h/w to prove it either,
2452 * So we'll just assume......
2453 */
2454 if (IS_1080(isp) || IS_12X0(isp)) {
2455 bus = ISP_READ(isp, OUTMAILBOX6);
2456 } else {
2457 bus = 0;
2458 }
2459
2460 switch (mbox) {
2461 case MBOX_COMMAND_COMPLETE: /* sometimes these show up */
2462 break;
2463 case ASYNC_BUS_RESET:
2464 isp->isp_sendmarker = (1 << bus);
2465 #ifdef ISP_TARGET_MODE
2466 isp_target_async(isp, bus, ASYNC_BUS_RESET);
2467 #endif
2468 isp_async(isp, ISPASYNC_BUS_RESET, &bus);
2469 break;
2470 case ASYNC_SYSTEM_ERROR:
2471 mbox = ISP_READ(isp, OUTMAILBOX1);
2472 PRINTF("%s: Internal FW Error @ RISC Addr 0x%x\n",
2473 isp->isp_name, mbox);
2474 isp_restart(isp);
2475 /* no point continuing after this */
2476 return (-1);
2477
2478 case ASYNC_RQS_XFER_ERR:
2479 PRINTF("%s: Request Queue Transfer Error\n", isp->isp_name);
2480 break;
2481
2482 case ASYNC_RSP_XFER_ERR:
2483 PRINTF("%s: Response Queue Transfer Error\n", isp->isp_name);
2484 break;
2485
2486 case ASYNC_QWAKEUP:
2487 /*
2488 * We've just been notified that the Queue has woken up.
2489 * We don't need to be chatty about this- just unlatch things
2490 * and move on.
2491 */
2492 mbox = ISP_READ(isp, OUTMAILBOX4);
2493 break;
2494
2495 case ASYNC_TIMEOUT_RESET:
2496 PRINTF("%s: timeout initiated SCSI bus reset of bus %d\n",
2497 isp->isp_name, bus);
2498 isp->isp_sendmarker = (1 << bus);
2499 #ifdef ISP_TARGET_MODE
2500 isp_target_async(isp, bus, ASYNC_TIMEOUT_RESET);
2501 #endif
2502 break;
2503
2504 case ASYNC_DEVICE_RESET:
2505 PRINTF("%s: device reset on bus %d\n", isp->isp_name, bus);
2506 isp->isp_sendmarker = 1 << bus;
2507 #ifdef ISP_TARGET_MODE
2508 isp_target_async(isp, bus, ASYNC_DEVICE_RESET);
2509 #endif
2510 break;
2511
2512 case ASYNC_EXTMSG_UNDERRUN:
2513 PRINTF("%s: extended message underrun\n", isp->isp_name);
2514 break;
2515
2516 case ASYNC_SCAM_INT:
2517 PRINTF("%s: SCAM interrupt\n", isp->isp_name);
2518 break;
2519
2520 case ASYNC_HUNG_SCSI:
2521 PRINTF("%s: stalled SCSI Bus after DATA Overrun\n",
2522 isp->isp_name);
2523 /* XXX: Need to issue SCSI reset at this point */
2524 break;
2525
2526 case ASYNC_KILLED_BUS:
2527 PRINTF("%s: SCSI Bus reset after DATA Overrun\n",
2528 isp->isp_name);
2529 break;
2530
2531 case ASYNC_BUS_TRANSIT:
2532 mbox = ISP_READ(isp, OUTMAILBOX2);
2533 switch (mbox & 0x1c00) {
2534 case SXP_PINS_LVD_MODE:
2535 PRINTF("%s: Transition to LVD mode\n", isp->isp_name);
2536 ((sdparam *)isp->isp_param)->isp_diffmode = 0;
2537 ((sdparam *)isp->isp_param)->isp_ultramode = 0;
2538 ((sdparam *)isp->isp_param)->isp_lvdmode = 1;
2539 break;
2540 case SXP_PINS_HVD_MODE:
2541 PRINTF("%s: Transition to Differential mode\n",
2542 isp->isp_name);
2543 ((sdparam *)isp->isp_param)->isp_diffmode = 1;
2544 ((sdparam *)isp->isp_param)->isp_ultramode = 0;
2545 ((sdparam *)isp->isp_param)->isp_lvdmode = 0;
2546 break;
2547 case SXP_PINS_SE_MODE:
2548 PRINTF("%s: Transition to Single Ended mode\n",
2549 isp->isp_name);
2550 ((sdparam *)isp->isp_param)->isp_diffmode = 0;
2551 ((sdparam *)isp->isp_param)->isp_ultramode = 1;
2552 ((sdparam *)isp->isp_param)->isp_lvdmode = 0;
2553 break;
2554 default:
2555 PRINTF("%s: Transition to unknown mode 0x%x\n",
2556 isp->isp_name, mbox);
2557 break;
2558 }
2559 /*
2560 * XXX: Set up to renegotiate again!
2561 */
2562 /* Can only be for a 1080... */
2563 isp->isp_sendmarker = (1 << bus);
2564 break;
2565
2566 case ASYNC_CMD_CMPLT:
2567 fast_post_handle = (ISP_READ(isp, OUTMAILBOX2) << 16) |
2568 ISP_READ(isp, OUTMAILBOX1);
2569 IDPRINTF(3, ("%s: fast post completion of %u\n", isp->isp_name,
2570 fast_post_handle));
2571 break;
2572
2573 case ASYNC_CTIO_DONE:
2574 /* Should only occur when Fast Posting Set for 2100s */
2575 PRINTF("%s: CTIO done\n", isp->isp_name);
2576 break;
2577
2578 case ASYNC_LIP_OCCURRED:
2579 ((fcparam *) isp->isp_param)->isp_lipseq =
2580 ISP_READ(isp, OUTMAILBOX1);
2581 ((fcparam *) isp->isp_param)->isp_fwstate = FW_CONFIG_WAIT;
2582 ((fcparam *) isp->isp_param)->isp_loopstate = LOOP_LIP_RCVD;
2583 isp->isp_sendmarker = 1;
2584 isp_mark_getpdb_all(isp);
2585 IDPRINTF(1, ("%s: LIP occurred\n", isp->isp_name));
2586 break;
2587
2588 case ASYNC_LOOP_UP:
2589 isp->isp_sendmarker = 1;
2590 ((fcparam *) isp->isp_param)->isp_fwstate = FW_CONFIG_WAIT;
2591 ((fcparam *) isp->isp_param)->isp_loopstate = LOOP_LIP_RCVD;
2592 isp_mark_getpdb_all(isp);
2593 isp_async(isp, ISPASYNC_LOOP_UP, NULL);
2594 break;
2595
2596 case ASYNC_LOOP_DOWN:
2597 isp->isp_sendmarker = 1;
2598 ((fcparam *) isp->isp_param)->isp_fwstate = FW_CONFIG_WAIT;
2599 ((fcparam *) isp->isp_param)->isp_loopstate = LOOP_NIL;
2600 isp_mark_getpdb_all(isp);
2601 isp_async(isp, ISPASYNC_LOOP_DOWN, NULL);
2602 break;
2603
2604 case ASYNC_LOOP_RESET:
2605 isp->isp_sendmarker = 1 << bus;
2606 ((fcparam *) isp->isp_param)->isp_fwstate = FW_CONFIG_WAIT;
2607 ((fcparam *) isp->isp_param)->isp_loopstate = LOOP_NIL;
2608 isp_mark_getpdb_all(isp);
2609 PRINTF("%s: Loop RESET\n", isp->isp_name);
2610 #ifdef ISP_TARGET_MODE
2611 isp_target_async(isp, bus, ASYNC_LOOP_RESET);
2612 #endif
2613 break;
2614
2615 case ASYNC_PDB_CHANGED:
2616 isp->isp_sendmarker = 1;
2617 ((fcparam *) isp->isp_param)->isp_loopstate = LOOP_PDB_RCVD;
2618 isp_mark_getpdb_all(isp);
2619 IDPRINTF(2, ("%s: Port Database Changed\n", isp->isp_name));
2620 break;
2621
2622 case ASYNC_CHANGE_NOTIFY:
2623 isp_mark_getpdb_all(isp);
2624 /*
2625 * Not correct, but it will force us to rescan the loop.
2626 */
2627 ((fcparam *) isp->isp_param)->isp_loopstate = LOOP_PDB_RCVD;
2628 isp_async(isp, ISPASYNC_CHANGE_NOTIFY, NULL);
2629 break;
2630
2631 default:
2632 PRINTF("%s: unknown async code 0x%x\n", isp->isp_name, mbox);
2633 break;
2634 }
2635 return (fast_post_handle);
2636 }
2637
2638 /*
2639 * Handle other response entries. A pointer to the request queue output
2640 * index is here in case we want to eat several entries at once, although
2641 * this is not used currently.
2642 */
2643
2644 static int
2645 isp_handle_other_response(isp, sp, optrp)
2646 struct ispsoftc *isp;
2647 ispstatusreq_t *sp;
2648 u_int16_t *optrp;
2649 {
2650 switch (sp->req_header.rqs_entry_type) {
2651 case RQSTYPE_ATIO:
2652 case RQSTYPE_CTIO0:
2653 case RQSTYPE_ENABLE_LUN:
2654 case RQSTYPE_MODIFY_LUN:
2655 case RQSTYPE_NOTIFY:
2656 case RQSTYPE_NOTIFY_ACK:
2657 case RQSTYPE_CTIO1:
2658 case RQSTYPE_ATIO2:
2659 case RQSTYPE_CTIO2:
2660 case RQSTYPE_CTIO3:
2661 #ifdef ISP_TARGET_MODE
2662 return (isp_target_entry(isp, sp));
2663 #else
2664 /* FALLTHROUGH */
2665 #endif
2666 case RQSTYPE_REQUEST:
2667 default:
2668 PRINTF("%s: unhandled response type 0x%x\n", isp->isp_name,
2669 sp->req_header.rqs_entry_type);
2670 return (-1);
2671 }
2672 }
2673
2674 static void
2675 isp_parse_status(isp, sp, xs)
2676 struct ispsoftc *isp;
2677 ispstatusreq_t *sp;
2678 ISP_SCSI_XFER_T *xs;
2679 {
2680 switch (sp->req_completion_status) {
2681 case RQCS_COMPLETE:
2682 XS_SETERR(xs, HBA_NOERROR);
2683 return;
2684
2685 case RQCS_INCOMPLETE:
2686 if ((sp->req_state_flags & RQSF_GOT_TARGET) == 0) {
2687 IDPRINTF(3, ("%s: Selection Timeout for target %d\n",
2688 isp->isp_name, XS_TGT(xs)));
2689 XS_SETERR(xs, HBA_SELTIMEOUT);
2690 return;
2691 }
2692 PRINTF("%s: command incomplete for target %d lun %d, state "
2693 "0x%x\n", isp->isp_name, XS_TGT(xs), XS_LUN(xs),
2694 sp->req_state_flags);
2695 break;
2696
2697 case RQCS_DMA_ERROR:
2698 PRINTF("%s: DMA error for command on target %d, lun %d\n",
2699 isp->isp_name, XS_TGT(xs), XS_LUN(xs));
2700 break;
2701
2702 case RQCS_TRANSPORT_ERROR:
2703 PRINTF("%s: transport error\n", isp->isp_name);
2704 isp_prtstst(sp);
2705 break;
2706
2707 case RQCS_RESET_OCCURRED:
2708 IDPRINTF(2, ("%s: bus reset destroyed command for target %d "
2709 "lun %d\n", isp->isp_name, XS_TGT(xs), XS_LUN(xs)));
2710 /*
2711 * XXX: Get port number for bus
2712 */
2713 isp->isp_sendmarker = 3;
2714 XS_SETERR(xs, HBA_BUSRESET);
2715 return;
2716
2717 case RQCS_ABORTED:
2718 PRINTF("%s: command aborted for target %d lun %d\n",
2719 isp->isp_name, XS_TGT(xs), XS_LUN(xs));
2720 /*
2721 * XXX: Get port number for bus
2722 */
2723 isp->isp_sendmarker = 3;
2724 XS_SETERR(xs, HBA_ABORTED);
2725 return;
2726
2727 case RQCS_TIMEOUT:
2728 IDPRINTF(2, ("%s: command timed out for target %d lun %d\n",
2729 isp->isp_name, XS_TGT(xs), XS_LUN(xs)));
2730 XS_SETERR(xs, HBA_CMDTIMEOUT);
2731 return;
2732
2733 case RQCS_DATA_OVERRUN:
2734 if (IS_FC(isp)) {
2735 XS_RESID(xs) = sp->req_resid;
2736 break;
2737 }
2738 XS_SETERR(xs, HBA_DATAOVR);
2739 return;
2740
2741 case RQCS_COMMAND_OVERRUN:
2742 PRINTF("%s: command overrun for command on target %d, lun %d\n",
2743 isp->isp_name, XS_TGT(xs), XS_LUN(xs));
2744 break;
2745
2746 case RQCS_STATUS_OVERRUN:
2747 PRINTF("%s: status overrun for command on target %d, lun %d\n",
2748 isp->isp_name, XS_TGT(xs), XS_LUN(xs));
2749 break;
2750
2751 case RQCS_BAD_MESSAGE:
2752 PRINTF("%s: message not COMMAND COMPLETE after status on "
2753 "target %d, lun %d\n", isp->isp_name, XS_TGT(xs),
2754 XS_LUN(xs));
2755 break;
2756
2757 case RQCS_NO_MESSAGE_OUT:
2758 PRINTF("%s: No MESSAGE OUT phase after selection on "
2759 "target %d, lun %d\n", isp->isp_name, XS_TGT(xs),
2760 XS_LUN(xs));
2761 break;
2762
2763 case RQCS_EXT_ID_FAILED:
2764 PRINTF("%s: EXTENDED IDENTIFY failed on target %d, lun %d\n",
2765 isp->isp_name, XS_TGT(xs), XS_LUN(xs));
2766 break;
2767
2768 case RQCS_IDE_MSG_FAILED:
2769 PRINTF("%s: target %d lun %d rejected INITIATOR DETECTED "
2770 "ERROR message\n", isp->isp_name, XS_TGT(xs), XS_LUN(xs));
2771 break;
2772
2773 case RQCS_ABORT_MSG_FAILED:
2774 PRINTF("%s: target %d lun %d rejected ABORT message\n",
2775 isp->isp_name, XS_TGT(xs), XS_LUN(xs));
2776 break;
2777
2778 case RQCS_REJECT_MSG_FAILED:
2779 PRINTF("%s: target %d lun %d rejected MESSAGE REJECT message\n",
2780 isp->isp_name, XS_TGT(xs), XS_LUN(xs));
2781 break;
2782
2783 case RQCS_NOP_MSG_FAILED:
2784 PRINTF("%s: target %d lun %d rejected NOP message\n",
2785 isp->isp_name, XS_TGT(xs), XS_LUN(xs));
2786 break;
2787
2788 case RQCS_PARITY_ERROR_MSG_FAILED:
2789 PRINTF("%s: target %d lun %d rejected MESSAGE PARITY ERROR "
2790 "message\n", isp->isp_name, XS_TGT(xs), XS_LUN(xs));
2791 break;
2792
2793 case RQCS_DEVICE_RESET_MSG_FAILED:
2794 PRINTF("%s: target %d lun %d rejected BUS DEVICE RESET "
2795 "message\n", isp->isp_name, XS_TGT(xs), XS_LUN(xs));
2796 break;
2797
2798 case RQCS_ID_MSG_FAILED:
2799 PRINTF("%s: target %d lun %d rejected IDENTIFY "
2800 "message\n", isp->isp_name, XS_TGT(xs), XS_LUN(xs));
2801 break;
2802
2803 case RQCS_UNEXP_BUS_FREE:
2804 PRINTF("%s: target %d lun %d had an unexpected bus free\n",
2805 isp->isp_name, XS_TGT(xs), XS_LUN(xs));
2806 break;
2807
2808 case RQCS_DATA_UNDERRUN:
2809 if (IS_FC(isp)) {
2810 XS_RESID(xs) = sp->req_resid;
2811 /* an UNDERRUN is not a botch ??? */
2812 }
2813 XS_SETERR(xs, HBA_NOERROR);
2814 return;
2815
2816 case RQCS_XACT_ERR1:
2817 PRINTF("%s: HBA attempted queued transaction with disconnect "
2818 "not set for target %d lun %d\n", isp->isp_name, XS_TGT(xs),
2819 XS_LUN(xs));
2820 break;
2821
2822 case RQCS_XACT_ERR2:
2823 PRINTF("%s: HBA attempted queued transaction to target "
2824 "routine %d on target %d\n", isp->isp_name, XS_LUN(xs),
2825 XS_TGT(xs));
2826 break;
2827
2828 case RQCS_XACT_ERR3:
2829 PRINTF("%s: HBA attempted queued transaction for target %d lun "
2830 "%d when queueing disabled\n", isp->isp_name, XS_TGT(xs),
2831 XS_LUN(xs));
2832 break;
2833
2834 case RQCS_BAD_ENTRY:
2835 PRINTF("%s: invalid IOCB entry type detected\n", isp->isp_name);
2836 break;
2837
2838 case RQCS_QUEUE_FULL:
2839 IDPRINTF(3, ("%s: internal queues full for target %d lun %d "
2840 "status 0x%x\n", isp->isp_name, XS_TGT(xs), XS_LUN(xs),
2841 XS_STS(xs)));
2842 /*
2843 * If QFULL or some other status byte is set, then this
2844 * isn't an error, per se.
2845 */
2846 if (XS_STS(xs) != 0) {
2847 XS_SETERR(xs, HBA_NOERROR);
2848 return;
2849 }
2850 break;
2851
2852 case RQCS_PHASE_SKIPPED:
2853 PRINTF("%s: SCSI phase skipped (e.g., COMMAND COMPLETE w/o "
2854 "STATUS phase) for target %d lun %d\n", isp->isp_name,
2855 XS_TGT(xs), XS_LUN(xs));
2856 break;
2857
2858 case RQCS_ARQS_FAILED:
2859 PRINTF("%s: Auto Request Sense failed for target %d lun %d\n",
2860 isp->isp_name, XS_TGT(xs), XS_LUN(xs));
2861 XS_SETERR(xs, HBA_ARQFAIL);
2862 return;
2863
2864 case RQCS_WIDE_FAILED:
2865 PRINTF("%s: Wide Negotiation failed for target %d lun %d\n",
2866 isp->isp_name, XS_TGT(xs), XS_LUN(xs));
2867 if (IS_SCSI(isp)) {
2868 sdparam *sdp = isp->isp_param;
2869 sdp += XS_CHANNEL(xs);
2870 sdp->isp_devparam[XS_TGT(xs)].dev_flags &= ~DPARM_WIDE;
2871 sdp->isp_devparam[XS_TGT(xs)].dev_update = 1;
2872 isp->isp_update = XS_CHANNEL(xs)+1;
2873 }
2874 XS_SETERR(xs, HBA_NOERROR);
2875 return;
2876
2877 case RQCS_SYNCXFER_FAILED:
2878 PRINTF("%s: SDTR Message failed for target %d lun %d\n",
2879 isp->isp_name, XS_TGT(xs), XS_LUN(xs));
2880 if (IS_SCSI(isp)) {
2881 sdparam *sdp = isp->isp_param;
2882 sdp += XS_CHANNEL(xs);
2883 sdp->isp_devparam[XS_TGT(xs)].dev_flags &= ~DPARM_SYNC;
2884 sdp->isp_devparam[XS_TGT(xs)].dev_update = 1;
2885 isp->isp_update = XS_CHANNEL(xs)+1;
2886 }
2887 break;
2888
2889 case RQCS_LVD_BUSERR:
2890 PRINTF("%s: Bad LVD Bus condition while talking to target %d "
2891 "lun %d\n", isp->isp_name, XS_TGT(xs), XS_LUN(xs));
2892 break;
2893
2894 case RQCS_PORT_UNAVAILABLE:
2895 /*
2896 * No such port on the loop. Moral equivalent of SELTIMEO
2897 */
2898 IDPRINTF(3, ("%s: Port Unavailable for target %d\n",
2899 isp->isp_name, XS_TGT(xs)));
2900 XS_SETERR(xs, HBA_SELTIMEOUT);
2901 return;
2902
2903 case RQCS_PORT_LOGGED_OUT:
2904 /*
2905 * It was there (maybe)- treat as a selection timeout.
2906 */
2907 IDPRINTF(2, ("%s: port logout for target %d\n",
2908 isp->isp_name, XS_TGT(xs)));
2909 XS_SETERR(xs, HBA_SELTIMEOUT);
2910 return;
2911
2912 case RQCS_PORT_CHANGED:
2913 PRINTF("%s: port changed for target %d\n",
2914 isp->isp_name, XS_TGT(xs));
2915 break;
2916
2917 case RQCS_PORT_BUSY:
2918 PRINTF("%s: port busy for target %d\n",
2919 isp->isp_name, XS_TGT(xs));
2920 XS_SETERR(xs, HBA_TGTBSY);
2921 return;
2922
2923 default:
2924 PRINTF("%s: comp status %x\n", isp->isp_name,
2925 sp->req_completion_status);
2926 break;
2927 }
2928 XS_SETERR(xs, HBA_BOTCH);
2929 }
2930
2931 static void
2932 isp_fastpost_complete(isp, fph)
2933 struct ispsoftc *isp;
2934 u_int32_t fph;
2935 {
2936 ISP_SCSI_XFER_T *xs;
2937
2938 if (fph < 1) {
2939 return;
2940 }
2941 xs = isp_find_xs(isp, fph);
2942 if (xs == NULL) {
2943 PRINTF("%s: command for fast posting handle 0x%x not found\n",
2944 isp->isp_name, fph);
2945 return;
2946 }
2947 isp_destroy_handle(isp, fph);
2948
2949 /*
2950 * Since we don't have a result queue entry item,
2951 * we must believe that SCSI status is zero and
2952 * that all data transferred.
2953 */
2954 XS_RESID(xs) = 0;
2955 XS_STS(xs) = 0;
2956 if (XS_XFRLEN(xs)) {
2957 ISP_DMAFREE(isp, xs, fph);
2958 }
2959 XS_CMD_DONE(xs);
2960 if (isp->isp_nactive)
2961 isp->isp_nactive--;
2962 }
2963
2964 #define HINIB(x) ((x) >> 0x4)
2965 #define LONIB(x) ((x) & 0xf)
2966 #define MAKNIB(a, b) (((a) << 4) | (b))
2967 static u_int8_t mbpcnt[] = {
2968 MAKNIB(1, 1), /* 0x00: MBOX_NO_OP */
2969 MAKNIB(5, 5), /* 0x01: MBOX_LOAD_RAM */
2970 MAKNIB(2, 0), /* 0x02: MBOX_EXEC_FIRMWARE */
2971 MAKNIB(5, 5), /* 0x03: MBOX_DUMP_RAM */
2972 MAKNIB(3, 3), /* 0x04: MBOX_WRITE_RAM_WORD */
2973 MAKNIB(2, 3), /* 0x05: MBOX_READ_RAM_WORD */
2974 MAKNIB(6, 6), /* 0x06: MBOX_MAILBOX_REG_TEST */
2975 MAKNIB(2, 3), /* 0x07: MBOX_VERIFY_CHECKSUM */
2976 MAKNIB(1, 4), /* 0x08: MBOX_ABOUT_FIRMWARE */
2977 MAKNIB(0, 0), /* 0x09: */
2978 MAKNIB(0, 0), /* 0x0a: */
2979 MAKNIB(0, 0), /* 0x0b: */
2980 MAKNIB(0, 0), /* 0x0c: */
2981 MAKNIB(0, 0), /* 0x0d: */
2982 MAKNIB(1, 2), /* 0x0e: MBOX_CHECK_FIRMWARE */
2983 MAKNIB(0, 0), /* 0x0f: */
2984 MAKNIB(5, 5), /* 0x10: MBOX_INIT_REQ_QUEUE */
2985 MAKNIB(6, 6), /* 0x11: MBOX_INIT_RES_QUEUE */
2986 MAKNIB(4, 4), /* 0x12: MBOX_EXECUTE_IOCB */
2987 MAKNIB(2, 2), /* 0x13: MBOX_WAKE_UP */
2988 MAKNIB(1, 6), /* 0x14: MBOX_STOP_FIRMWARE */
2989 MAKNIB(4, 4), /* 0x15: MBOX_ABORT */
2990 MAKNIB(2, 2), /* 0x16: MBOX_ABORT_DEVICE */
2991 MAKNIB(3, 3), /* 0x17: MBOX_ABORT_TARGET */
2992 MAKNIB(3, 1), /* 0x18: MBOX_BUS_RESET */
2993 MAKNIB(2, 3), /* 0x19: MBOX_STOP_QUEUE */
2994 MAKNIB(2, 3), /* 0x1a: MBOX_START_QUEUE */
2995 MAKNIB(2, 3), /* 0x1b: MBOX_SINGLE_STEP_QUEUE */
2996 MAKNIB(2, 3), /* 0x1c: MBOX_ABORT_QUEUE */
2997 MAKNIB(2, 4), /* 0x1d: MBOX_GET_DEV_QUEUE_STATUS */
2998 MAKNIB(0, 0), /* 0x1e: */
2999 MAKNIB(1, 3), /* 0x1f: MBOX_GET_FIRMWARE_STATUS */
3000 MAKNIB(1, 4), /* 0x20: MBOX_GET_INIT_SCSI_ID, MBOX_GET_LOOP_ID */
3001 MAKNIB(1, 3), /* 0x21: MBOX_GET_SELECT_TIMEOUT */
3002 MAKNIB(1, 3), /* 0x22: MBOX_GET_RETRY_COUNT */
3003 MAKNIB(1, 2), /* 0x23: MBOX_GET_TAG_AGE_LIMIT */
3004 MAKNIB(1, 2), /* 0x24: MBOX_GET_CLOCK_RATE */
3005 MAKNIB(1, 2), /* 0x25: MBOX_GET_ACT_NEG_STATE */
3006 MAKNIB(1, 2), /* 0x26: MBOX_GET_ASYNC_DATA_SETUP_TIME */
3007 MAKNIB(1, 3), /* 0x27: MBOX_GET_PCI_PARAMS */
3008 MAKNIB(2, 4), /* 0x28: MBOX_GET_TARGET_PARAMS */
3009 MAKNIB(2, 4), /* 0x29: MBOX_GET_DEV_QUEUE_PARAMS */
3010 MAKNIB(1, 2), /* 0x2a: MBOX_GET_RESET_DELAY_PARAMS */
3011 MAKNIB(0, 0), /* 0x2b: */
3012 MAKNIB(0, 0), /* 0x2c: */
3013 MAKNIB(0, 0), /* 0x2d: */
3014 MAKNIB(0, 0), /* 0x2e: */
3015 MAKNIB(0, 0), /* 0x2f: */
3016 MAKNIB(2, 2), /* 0x30: MBOX_SET_INIT_SCSI_ID */
3017 MAKNIB(2, 3), /* 0x31: MBOX_SET_SELECT_TIMEOUT */
3018 MAKNIB(3, 3), /* 0x32: MBOX_SET_RETRY_COUNT */
3019 MAKNIB(2, 2), /* 0x33: MBOX_SET_TAG_AGE_LIMIT */
3020 MAKNIB(2, 2), /* 0x34: MBOX_SET_CLOCK_RATE */
3021 MAKNIB(2, 2), /* 0x35: MBOX_SET_ACT_NEG_STATE */
3022 MAKNIB(2, 2), /* 0x36: MBOX_SET_ASYNC_DATA_SETUP_TIME */
3023 MAKNIB(3, 3), /* 0x37: MBOX_SET_PCI_CONTROL_PARAMS */
3024 MAKNIB(4, 4), /* 0x38: MBOX_SET_TARGET_PARAMS */
3025 MAKNIB(4, 4), /* 0x39: MBOX_SET_DEV_QUEUE_PARAMS */
3026 MAKNIB(1, 2), /* 0x3a: MBOX_SET_RESET_DELAY_PARAMS */
3027 MAKNIB(0, 0), /* 0x3b: */
3028 MAKNIB(0, 0), /* 0x3c: */
3029 MAKNIB(0, 0), /* 0x3d: */
3030 MAKNIB(0, 0), /* 0x3e: */
3031 MAKNIB(0, 0), /* 0x3f: */
3032 MAKNIB(1, 2), /* 0x40: MBOX_RETURN_BIOS_BLOCK_ADDR */
3033 MAKNIB(6, 1), /* 0x41: MBOX_WRITE_FOUR_RAM_WORDS */
3034 MAKNIB(2, 3), /* 0x42: MBOX_EXEC_BIOS_IOCB */
3035 MAKNIB(0, 0), /* 0x43: */
3036 MAKNIB(0, 0), /* 0x44: */
3037 MAKNIB(0, 0), /* 0x45: */
3038 MAKNIB(0, 0), /* 0x46: */
3039 MAKNIB(0, 0), /* 0x47: */
3040 MAKNIB(0, 0), /* 0x48: */
3041 MAKNIB(0, 0), /* 0x49: */
3042 MAKNIB(2, 1), /* 0x4a: MBOX_SET_FIRMWARE_FEATURES */
3043 MAKNIB(1, 2), /* 0x4b: MBOX_GET_FIRMWARE_FEATURES */
3044 MAKNIB(0, 0), /* 0x4c: */
3045 MAKNIB(0, 0), /* 0x4d: */
3046 MAKNIB(0, 0), /* 0x4e: */
3047 MAKNIB(0, 0), /* 0x4f: */
3048 MAKNIB(0, 0), /* 0x50: */
3049 MAKNIB(0, 0), /* 0x51: */
3050 MAKNIB(0, 0), /* 0x52: */
3051 MAKNIB(0, 0), /* 0x53: */
3052 MAKNIB(8, 0), /* 0x54: MBOX_EXEC_COMMAND_IOCB_A64 */
3053 MAKNIB(0, 0), /* 0x55: */
3054 MAKNIB(0, 0), /* 0x56: */
3055 MAKNIB(0, 0), /* 0x57: */
3056 MAKNIB(0, 0), /* 0x58: */
3057 MAKNIB(0, 0), /* 0x59: */
3058 MAKNIB(0, 0), /* 0x5a: */
3059 MAKNIB(0, 0), /* 0x5b: */
3060 MAKNIB(0, 0), /* 0x5c: */
3061 MAKNIB(0, 0), /* 0x5d: */
3062 MAKNIB(0, 0), /* 0x5e: */
3063 MAKNIB(0, 0), /* 0x5f: */
3064 MAKNIB(8, 6), /* 0x60: MBOX_INIT_FIRMWARE */
3065 MAKNIB(0, 0), /* 0x61: */
3066 MAKNIB(2, 1), /* 0x62: MBOX_INIT_LIP */
3067 MAKNIB(8, 1), /* 0x63: MBOX_GET_FC_AL_POSITION_MAP */
3068 MAKNIB(8, 1), /* 0x64: MBOX_GET_PORT_DB */
3069 MAKNIB(3, 1), /* 0x65: MBOX_CLEAR_ACA */
3070 MAKNIB(3, 1), /* 0x66: MBOX_TARGET_RESET */
3071 MAKNIB(3, 1), /* 0x67: MBOX_CLEAR_TASK_SET */
3072 MAKNIB(3, 1), /* 0x68: MBOX_ABORT_TASK_SET */
3073 MAKNIB(1, 2), /* 0x69: MBOX_GET_FW_STATE */
3074 MAKNIB(2, 8), /* 0x6a: MBOX_GET_PORT_NAME */
3075 MAKNIB(8, 1), /* 0x6b: MBOX_GET_LINK_STATUS */
3076 MAKNIB(4, 4), /* 0x6c: MBOX_INIT_LIP_RESET */
3077 MAKNIB(0, 0), /* 0x6d: */
3078 MAKNIB(8, 2), /* 0x6e: MBOX_SEND_SNS */
3079 MAKNIB(4, 3), /* 0x6f: MBOX_FABRIC_LOGIN */
3080 MAKNIB(2, 1), /* 0x70: MBOX_SEND_CHANGE_REQUEST */
3081 MAKNIB(2, 1), /* 0x71: MBOX_FABRIC_LOGOUT */
3082 MAKNIB(4, 1) /* 0x72: MBOX_INIT_LIP_LOGIN */
3083 };
3084 #define NMBCOM (sizeof (mbpcnt) / sizeof (mbpcnt[0]))
3085
3086 static void
3087 isp_mboxcmd(isp, mbp)
3088 struct ispsoftc *isp;
3089 mbreg_t *mbp;
3090 {
3091 int outparam, inparam;
3092 int loops, dld = 0;
3093 u_int8_t opcode;
3094
3095 if (mbp->param[0] == ISP2100_SET_PCI_PARAM) {
3096 opcode = mbp->param[0] = MBOX_SET_PCI_PARAMETERS;
3097 inparam = 4;
3098 outparam = 4;
3099 goto command_known;
3100 } else if (mbp->param[0] > NMBCOM) {
3101 PRINTF("%s: bad command %x\n", isp->isp_name, mbp->param[0]);
3102 return;
3103 }
3104
3105 opcode = mbp->param[0];
3106 inparam = HINIB(mbpcnt[mbp->param[0]]);
3107 outparam = LONIB(mbpcnt[mbp->param[0]]);
3108
3109 if (inparam == 0 && outparam == 0) {
3110 PRINTF("%s: no parameters for %x\n", isp->isp_name,
3111 mbp->param[0]);
3112 return;
3113 }
3114
3115
3116 /*
3117 * Check for variants
3118 */
3119 #ifdef ISP2100_SCCLUN
3120 if (IS_FC(isp)) {
3121 switch (mbp->param[0]) {
3122 case MBOX_ABORT:
3123 inparam = 7;
3124 break;
3125 case MBOX_ABORT_DEVICE:
3126 case MBOX_START_QUEUE:
3127 case MBOX_STOP_QUEUE:
3128 case MBOX_SINGLE_STEP_QUEUE:
3129 case MBOX_ABORT_QUEUE:
3130 case MBOX_GET_DEV_QUEUE_STATUS:
3131 inparam = 3;
3132 break;
3133 case MBOX_BUS_RESET:
3134 inparam = 2;
3135 break;
3136 default:
3137 break;
3138 }
3139 }
3140 #endif
3141
3142 command_known:
3143
3144 /*
3145 * Set semaphore on mailbox registers to win any races to acquire them.
3146 */
3147 ISP_WRITE(isp, BIU_SEMA, 1);
3148
3149 /*
3150 * Qlogic Errata for the ISP2100 says that there is a necessary
3151 * debounce between between writing the semaphore register
3152 * and reading a mailbox register. I believe we're okay here.
3153 */
3154
3155 /*
3156 * Make sure we can send some words.
3157 * Check to see if there's an async mbox event pending.
3158 */
3159
3160 loops = MBOX_DELAY_COUNT;
3161 while ((ISP_READ(isp, HCCR) & HCCR_HOST_INT) != 0) {
3162 if (ISP_READ(isp, BIU_SEMA) & 1) {
3163 int fph;
3164 u_int16_t mbox = ISP_READ(isp, OUTMAILBOX0);
3165 /*
3166 * We have a pending MBOX async event.
3167 */
3168 if (mbox & 0x8000) {
3169 fph = isp_parse_async(isp, (int) mbox);
3170 IDPRINTF(5, ("%s: line %d, fph %d\n",
3171 isp->isp_name, __LINE__, fph));
3172 ISP_WRITE(isp, BIU_SEMA, 0);
3173 ISP_WRITE(isp, HCCR, HCCR_CMD_CLEAR_RISC_INT);
3174 if (fph < 0) {
3175 return;
3176 } else if (fph > 0) {
3177 isp_fastpost_complete(isp, fph);
3178 }
3179 SYS_DELAY(100);
3180 goto command_known;
3181 }
3182 /*
3183 * We have a pending MBOX completion? Might be
3184 * from a previous command. We can't (sometimes)
3185 * just clear HOST INTERRUPT, so we'll just silently
3186 * eat this here.
3187 */
3188 if (mbox & 0x4000) {
3189 IDPRINTF(5, ("%s: line %d, mbox 0x%x\n",
3190 isp->isp_name, __LINE__, mbox));
3191 ISP_WRITE(isp, BIU_SEMA, 0);
3192 ISP_WRITE(isp, HCCR, HCCR_CMD_CLEAR_RISC_INT);
3193 SYS_DELAY(100);
3194 goto command_known;
3195 }
3196 }
3197 SYS_DELAY(100);
3198 if (--loops < 0) {
3199 if (dld++ > 10) {
3200 PRINTF("%s: isp_mboxcmd could not get command "
3201 "started\n", isp->isp_name);
3202 return;
3203 }
3204 ISP_WRITE(isp, BIU_SEMA, 0);
3205 ISP_WRITE(isp, HCCR, HCCR_CMD_CLEAR_RISC_INT);
3206 goto command_known;
3207 }
3208 }
3209
3210 /*
3211 * Write input parameters.
3212 *
3213 * Special case some of the setups for the dual port SCSI cards.
3214 * XXX Eventually will be fixed by converting register write/read
3215 * XXX counts to bitmasks.
3216 */
3217 if (IS_12X0(isp)) {
3218 switch (opcode) {
3219 case MBOX_GET_RETRY_COUNT:
3220 case MBOX_SET_RETRY_COUNT:
3221 ISP_WRITE(isp, INMAILBOX7, mbp->param[7]);
3222 mbp->param[7] = 0;
3223 ISP_WRITE(isp, INMAILBOX6, mbp->param[6]);
3224 mbp->param[6] = 0;
3225 break;
3226 case MBOX_SET_ASYNC_DATA_SETUP_TIME:
3227 case MBOX_SET_ACT_NEG_STATE:
3228 case MBOX_SET_TAG_AGE_LIMIT:
3229 case MBOX_SET_SELECT_TIMEOUT:
3230 ISP_WRITE(isp, INMAILBOX2, mbp->param[2]);
3231 mbp->param[2] = 0;
3232 break;
3233 }
3234 }
3235
3236 switch (inparam) {
3237 case 8: ISP_WRITE(isp, INMAILBOX7, mbp->param[7]); mbp->param[7] = 0;
3238 case 7: ISP_WRITE(isp, INMAILBOX6, mbp->param[6]); mbp->param[6] = 0;
3239 case 6:
3240 /*
3241 * The Qlogic 2100 cannot have registers 4 and 5 written to
3242 * after initialization or BAD THINGS HAPPEN (tm).
3243 */
3244 if (IS_SCSI(isp) || mbp->param[0] == MBOX_INIT_FIRMWARE)
3245 ISP_WRITE(isp, INMAILBOX5, mbp->param[5]);
3246 mbp->param[5] = 0;
3247 case 5:
3248 if (IS_SCSI(isp) || mbp->param[0] == MBOX_INIT_FIRMWARE)
3249 ISP_WRITE(isp, INMAILBOX4, mbp->param[4]);
3250 mbp->param[4] = 0;
3251 case 4: ISP_WRITE(isp, INMAILBOX3, mbp->param[3]); mbp->param[3] = 0;
3252 case 3: ISP_WRITE(isp, INMAILBOX2, mbp->param[2]); mbp->param[2] = 0;
3253 case 2: ISP_WRITE(isp, INMAILBOX1, mbp->param[1]); mbp->param[1] = 0;
3254 case 1: ISP_WRITE(isp, INMAILBOX0, mbp->param[0]); mbp->param[0] = 0;
3255 }
3256
3257 /*
3258 * Clear RISC int condition.
3259 */
3260 ISP_WRITE(isp, HCCR, HCCR_CMD_CLEAR_RISC_INT);
3261
3262 /*
3263 * Clear semaphore on mailbox registers so that the Qlogic
3264 * may update outgoing registers.
3265 */
3266 ISP_WRITE(isp, BIU_SEMA, 0);
3267
3268 /*
3269 * Set Host Interrupt condition so that RISC will pick up mailbox regs.
3270 */
3271 ISP_WRITE(isp, HCCR, HCCR_CMD_SET_HOST_INT);
3272
3273 /*
3274 * Wait until HOST INT has gone away (meaning that the Qlogic
3275 * has picked up the mailbox command. Wait a long time.
3276 */
3277 loops = MBOX_DELAY_COUNT * 5;
3278 while ((ISP_READ(isp, HCCR) & HCCR_CMD_CLEAR_RISC_INT) != 0) {
3279 SYS_DELAY(100);
3280 if (--loops < 0) {
3281 PRINTF("%s: isp_mboxcmd timeout #2\n", isp->isp_name);
3282 return;
3283 }
3284 }
3285
3286 /*
3287 * While the Semaphore registers isn't set, wait for the Qlogic
3288 * to process the mailbox command. Again- wait a long time.
3289 */
3290 loops = MBOX_DELAY_COUNT * 5;
3291 while ((ISP_READ(isp, BIU_SEMA) & 1) == 0) {
3292 SYS_DELAY(100);
3293 /*
3294 * Wierd- I've seen the case where the semaphore register
3295 * isn't getting set- sort of a violation of the protocol..
3296 */
3297 if (ISP_READ(isp, OUTMAILBOX0) & 0x4000)
3298 break;
3299 if (--loops < 0) {
3300 PRINTF("%s: isp_mboxcmd timeout #3\n", isp->isp_name);
3301 return;
3302 }
3303 }
3304
3305 /*
3306 * Make sure that the MBOX_BUSY has gone away
3307 */
3308 loops = MBOX_DELAY_COUNT;
3309 for (;;) {
3310 u_int16_t mbox = ISP_READ(isp, OUTMAILBOX0);
3311 if (mbox == MBOX_BUSY) {
3312 if (--loops < 0) {
3313 PRINTF("%s: isp_mboxcmd timeout #4\n",
3314 isp->isp_name);
3315 return;
3316 }
3317 SYS_DELAY(100);
3318 continue;
3319 }
3320 /*
3321 * We have a pending MBOX async event.
3322 */
3323 if (mbox & 0x8000) {
3324 int fph = isp_parse_async(isp, (int) mbox);
3325 ISP_WRITE(isp, BIU_SEMA, 0);
3326 ISP_WRITE(isp, HCCR, HCCR_CMD_CLEAR_RISC_INT);
3327 if (fph < 0) {
3328 return;
3329 } else if (fph > 0) {
3330 isp_fastpost_complete(isp, fph);
3331 }
3332 SYS_DELAY(100);
3333 continue;
3334 }
3335 break;
3336 }
3337
3338 /*
3339 * Pick up output parameters. Special case some of the readbacks
3340 * for the dual port SCSI cards.
3341 */
3342 if (IS_12X0(isp)) {
3343 switch (opcode) {
3344 case MBOX_GET_RETRY_COUNT:
3345 case MBOX_SET_RETRY_COUNT:
3346 mbp->param[7] = ISP_READ(isp, OUTMAILBOX7);
3347 mbp->param[6] = ISP_READ(isp, OUTMAILBOX6);
3348 break;
3349 case MBOX_GET_TAG_AGE_LIMIT:
3350 case MBOX_SET_TAG_AGE_LIMIT:
3351 case MBOX_GET_ACT_NEG_STATE:
3352 case MBOX_SET_ACT_NEG_STATE:
3353 case MBOX_SET_ASYNC_DATA_SETUP_TIME:
3354 case MBOX_GET_ASYNC_DATA_SETUP_TIME:
3355 case MBOX_GET_RESET_DELAY_PARAMS:
3356 case MBOX_SET_RESET_DELAY_PARAMS:
3357 mbp->param[2] = ISP_READ(isp, OUTMAILBOX2);
3358 break;
3359 }
3360 }
3361
3362 switch (outparam) {
3363 case 8: mbp->param[7] = ISP_READ(isp, OUTMAILBOX7);
3364 case 7: mbp->param[6] = ISP_READ(isp, OUTMAILBOX6);
3365 case 6: mbp->param[5] = ISP_READ(isp, OUTMAILBOX5);
3366 case 5: mbp->param[4] = ISP_READ(isp, OUTMAILBOX4);
3367 case 4: mbp->param[3] = ISP_READ(isp, OUTMAILBOX3);
3368 case 3: mbp->param[2] = ISP_READ(isp, OUTMAILBOX2);
3369 case 2: mbp->param[1] = ISP_READ(isp, OUTMAILBOX1);
3370 case 1: mbp->param[0] = ISP_READ(isp, OUTMAILBOX0);
3371 }
3372
3373 /*
3374 * Clear RISC int.
3375 */
3376 ISP_WRITE(isp, HCCR, HCCR_CMD_CLEAR_RISC_INT);
3377
3378 /*
3379 * Release semaphore on mailbox registers
3380 */
3381 ISP_WRITE(isp, BIU_SEMA, 0);
3382
3383 /*
3384 * Just to be chatty here...
3385 */
3386 switch (mbp->param[0]) {
3387 case MBOX_COMMAND_COMPLETE:
3388 break;
3389 case MBOX_INVALID_COMMAND:
3390 IDPRINTF(2, ("%s: mbox cmd %x failed with INVALID_COMMAND\n",
3391 isp->isp_name, opcode));
3392 break;
3393 case MBOX_HOST_INTERFACE_ERROR:
3394 PRINTF("%s: mbox cmd %x failed with HOST_INTERFACE_ERROR\n",
3395 isp->isp_name, opcode);
3396 break;
3397 case MBOX_TEST_FAILED:
3398 PRINTF("%s: mbox cmd %x failed with TEST_FAILED\n",
3399 isp->isp_name, opcode);
3400 break;
3401 case MBOX_COMMAND_ERROR:
3402 if (opcode != MBOX_ABOUT_FIRMWARE)
3403 PRINTF("%s: mbox cmd %x failed with COMMAND_ERROR\n",
3404 isp->isp_name, opcode);
3405 break;
3406 case MBOX_COMMAND_PARAM_ERROR:
3407 switch (opcode) {
3408 case MBOX_GET_PORT_DB:
3409 case MBOX_GET_PORT_NAME:
3410 case MBOX_GET_DEV_QUEUE_PARAMS:
3411 break;
3412 default:
3413 PRINTF("%s: mbox cmd %x failed with "
3414 "COMMAND_PARAM_ERROR\n", isp->isp_name, opcode);
3415 }
3416 break;
3417
3418 /*
3419 * Be silent about these...
3420 */
3421 case ASYNC_PDB_CHANGED:
3422 ((fcparam *) isp->isp_param)->isp_loopstate = LOOP_PDB_RCVD;
3423 break;
3424
3425 case ASYNC_LIP_OCCURRED:
3426 ((fcparam *) isp->isp_param)->isp_lipseq = mbp->param[1];
3427 /* FALLTHROUGH */
3428 case ASYNC_LOOP_UP:
3429 ((fcparam *) isp->isp_param)->isp_fwstate = FW_CONFIG_WAIT;
3430 ((fcparam *) isp->isp_param)->isp_loopstate = LOOP_LIP_RCVD;
3431 break;
3432
3433 case ASYNC_LOOP_DOWN:
3434 case ASYNC_LOOP_RESET:
3435 ((fcparam *) isp->isp_param)->isp_fwstate = FW_CONFIG_WAIT;
3436 ((fcparam *) isp->isp_param)->isp_loopstate = LOOP_NIL;
3437 /* FALLTHROUGH */
3438 case ASYNC_CHANGE_NOTIFY:
3439 break;
3440
3441 default:
3442 /*
3443 * The expected return of EXEC_FIRMWARE is zero.
3444 */
3445 if ((opcode == MBOX_EXEC_FIRMWARE && mbp->param[0] != 0) ||
3446 (opcode != MBOX_EXEC_FIRMWARE)) {
3447 PRINTF("%s: mbox cmd %x failed with error %x\n",
3448 isp->isp_name, opcode, mbp->param[0]);
3449 }
3450 break;
3451 }
3452 }
3453
3454 void
3455 isp_lostcmd(isp, xs)
3456 struct ispsoftc *isp;
3457 ISP_SCSI_XFER_T *xs;
3458 {
3459 mbreg_t mbs;
3460
3461 mbs.param[0] = MBOX_GET_FIRMWARE_STATUS;
3462 isp_mboxcmd(isp, &mbs);
3463 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
3464 isp_dumpregs(isp, "couldn't GET FIRMWARE STATUS");
3465 return;
3466 }
3467 if (mbs.param[1]) {
3468 PRINTF("%s: %d commands on completion queue\n",
3469 isp->isp_name, mbs.param[1]);
3470 }
3471 if (XS_NULL(xs))
3472 return;
3473
3474 mbs.param[0] = MBOX_GET_DEV_QUEUE_STATUS;
3475 mbs.param[1] = (XS_TGT(xs) << 8) | XS_LUN(xs); /* XXX: WHICH BUS? */
3476 isp_mboxcmd(isp, &mbs);
3477 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
3478 isp_dumpregs(isp, "couldn't GET DEVICE QUEUE STATUS");
3479 return;
3480 }
3481 PRINTF("%s: lost command for target %d lun %d, %d active of %d, "
3482 "Queue State: %x\n", isp->isp_name, XS_TGT(xs),
3483 XS_LUN(xs), mbs.param[2], mbs.param[3], mbs.param[1]);
3484
3485 isp_dumpregs(isp, "lost command");
3486 /*
3487 * XXX: Need to try and do something to recover.
3488 */
3489 }
3490
3491 static void
3492 isp_dumpregs(isp, msg)
3493 struct ispsoftc *isp;
3494 const char *msg;
3495 {
3496 PRINTF("%s: %s\n", isp->isp_name, msg);
3497 if (IS_SCSI(isp))
3498 PRINTF(" biu_conf1=%x", ISP_READ(isp, BIU_CONF1));
3499 else
3500 PRINTF(" biu_csr=%x", ISP_READ(isp, BIU2100_CSR));
3501 PRINTF(" biu_icr=%x biu_isr=%x biu_sema=%x ", ISP_READ(isp, BIU_ICR),
3502 ISP_READ(isp, BIU_ISR), ISP_READ(isp, BIU_SEMA));
3503 PRINTF("risc_hccr=%x\n", ISP_READ(isp, HCCR));
3504
3505
3506 if (IS_SCSI(isp)) {
3507 ISP_WRITE(isp, HCCR, HCCR_CMD_PAUSE);
3508 PRINTF(" cdma_conf=%x cdma_sts=%x cdma_fifostat=%x\n",
3509 ISP_READ(isp, CDMA_CONF), ISP_READ(isp, CDMA_STATUS),
3510 ISP_READ(isp, CDMA_FIFO_STS));
3511 PRINTF(" ddma_conf=%x ddma_sts=%x ddma_fifostat=%x\n",
3512 ISP_READ(isp, DDMA_CONF), ISP_READ(isp, DDMA_STATUS),
3513 ISP_READ(isp, DDMA_FIFO_STS));
3514 PRINTF(" sxp_int=%x sxp_gross=%x sxp(scsi_ctrl)=%x\n",
3515 ISP_READ(isp, SXP_INTERRUPT),
3516 ISP_READ(isp, SXP_GROSS_ERR),
3517 ISP_READ(isp, SXP_PINS_CONTROL));
3518 ISP_WRITE(isp, HCCR, HCCR_CMD_RELEASE);
3519 }
3520 PRINTF(" mbox regs: %x %x %x %x %x\n",
3521 ISP_READ(isp, OUTMAILBOX0), ISP_READ(isp, OUTMAILBOX1),
3522 ISP_READ(isp, OUTMAILBOX2), ISP_READ(isp, OUTMAILBOX3),
3523 ISP_READ(isp, OUTMAILBOX4));
3524 ISP_DUMPREGS(isp);
3525 }
3526
3527 static void
3528 isp_fw_state(isp)
3529 struct ispsoftc *isp;
3530 {
3531 mbreg_t mbs;
3532 if (IS_FC(isp)) {
3533 int once = 0;
3534 fcparam *fcp = isp->isp_param;
3535 again:
3536 mbs.param[0] = MBOX_GET_FW_STATE;
3537 isp_mboxcmd(isp, &mbs);
3538 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
3539 IDPRINTF(1, ("%s: isp_fw_state 0x%x\n", isp->isp_name,
3540 mbs.param[0]));
3541 switch (mbs.param[0]) {
3542 case ASYNC_PDB_CHANGED:
3543 if (once++ < 10) {
3544 goto again;
3545 }
3546 fcp->isp_fwstate = FW_CONFIG_WAIT;
3547 fcp->isp_loopstate = LOOP_PDB_RCVD;
3548 goto again;
3549 case ASYNC_LIP_OCCURRED:
3550 fcp->isp_lipseq = mbs.param[1];
3551 /* FALLTHROUGH */
3552 case ASYNC_LOOP_UP:
3553 fcp->isp_fwstate = FW_CONFIG_WAIT;
3554 fcp->isp_loopstate = LOOP_LIP_RCVD;
3555 if (once++ < 10) {
3556 goto again;
3557 }
3558 break;
3559 case ASYNC_LOOP_RESET:
3560 case ASYNC_LOOP_DOWN:
3561 fcp->isp_fwstate = FW_CONFIG_WAIT;
3562 fcp->isp_loopstate = LOOP_NIL;
3563 /* FALLTHROUGH */
3564 case ASYNC_CHANGE_NOTIFY:
3565 if (once++ < 10) {
3566 goto again;
3567 }
3568 break;
3569 }
3570 PRINTF("%s: GET FIRMWARE STATE failed (0x%x)\n",
3571 isp->isp_name, mbs.param[0]);
3572 return;
3573 }
3574 fcp->isp_fwstate = mbs.param[1];
3575 }
3576 }
3577
3578 static void
3579 isp_update(isp)
3580 struct ispsoftc *isp;
3581 {
3582 int bus;
3583
3584 for (bus = 0; isp->isp_update != 0; bus++) {
3585 if (isp->isp_update & (1 << bus)) {
3586 isp_update_bus(isp, bus);
3587 isp->isp_update ^= (1 << bus);
3588 }
3589 }
3590 }
3591
3592 static void
3593 isp_update_bus(isp, bus)
3594 struct ispsoftc *isp;
3595 int bus;
3596 {
3597 int tgt;
3598 mbreg_t mbs;
3599 sdparam *sdp;
3600
3601 if (IS_FC(isp)) {
3602 return;
3603 }
3604
3605 sdp = isp->isp_param;
3606 sdp += bus;
3607
3608 for (tgt = 0; tgt < MAX_TARGETS; tgt++) {
3609 u_int16_t flags, period, offset;
3610 int get;
3611
3612 if (sdp->isp_devparam[tgt].dev_enable == 0) {
3613 IDPRINTF(1, ("%s: skipping target %d bus %d update\n",
3614 isp->isp_name, tgt, bus));
3615 continue;
3616 }
3617
3618 /*
3619 * If the goal is to update the status of the device,
3620 * take what's in dev_flags and try and set the device
3621 * toward that. Otherwise, if we're just refreshing the
3622 * current device state, get the current parameters.
3623 */
3624 if (sdp->isp_devparam[tgt].dev_update) {
3625 mbs.param[0] = MBOX_SET_TARGET_PARAMS;
3626 mbs.param[2] = sdp->isp_devparam[tgt].dev_flags;
3627 /*
3628 * Insist that PARITY must be enabled if SYNC
3629 * is enabled.
3630 */
3631 if (mbs.param[2] & DPARM_SYNC) {
3632 mbs.param[2] |= DPARM_PARITY;
3633 }
3634 mbs.param[3] =
3635 (sdp->isp_devparam[tgt].sync_offset << 8) |
3636 (sdp->isp_devparam[tgt].sync_period);
3637 sdp->isp_devparam[tgt].dev_update = 0;
3638 /*
3639 * A command completion later that has
3640 * RQSTF_NEGOTIATION set will cause
3641 * the dev_refresh/announce cycle.
3642 *
3643 * Note: It is really important to update our current
3644 * flags with at least the state of TAG capabilities-
3645 * otherwise we might try and send a tagged command
3646 * when we have it all turned off. So change it here
3647 * to say that current already matches goal.
3648 */
3649 sdp->isp_devparam[tgt].cur_dflags &= ~DPARM_TQING;
3650 sdp->isp_devparam[tgt].cur_dflags |=
3651 (sdp->isp_devparam[tgt].dev_flags & DPARM_TQING);
3652 sdp->isp_devparam[tgt].dev_refresh = 1;
3653 IDPRINTF(3, ("%s: bus %d set tgt %d flags 0x%x off 0x%x"
3654 " period 0x%x\n", isp->isp_name, bus, tgt,
3655 mbs.param[2], mbs.param[3] >> 8,
3656 mbs.param[3] & 0xff));
3657 get = 0;
3658 } else if (sdp->isp_devparam[tgt].dev_refresh) {
3659 mbs.param[0] = MBOX_GET_TARGET_PARAMS;
3660 sdp->isp_devparam[tgt].dev_refresh = 0;
3661 get = 1;
3662 } else {
3663 continue;
3664 }
3665 mbs.param[1] = (bus << 15) | (tgt << 8) ;
3666 isp_mboxcmd(isp, &mbs);
3667 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
3668 PRINTF("%s: failed to %cet SCSI parameters for "
3669 "target %d\n", isp->isp_name, (get)? 'g' : 's',
3670 tgt);
3671 continue;
3672 }
3673 if (get == 0) {
3674 isp->isp_sendmarker |= (1 << bus);
3675 continue;
3676 }
3677 flags = mbs.param[2];
3678 period = mbs.param[3] & 0xff;
3679 offset = mbs.param[3] >> 8;
3680 sdp->isp_devparam[tgt].cur_dflags = flags;
3681 sdp->isp_devparam[tgt].cur_period = period;
3682 sdp->isp_devparam[tgt].cur_offset = offset;
3683 get = (bus << 16) | tgt;
3684 (void) isp_async(isp, ISPASYNC_NEW_TGT_PARAMS, &get);
3685 }
3686 }
3687
3688 static void
3689 isp_setdfltparm(isp, channel)
3690 struct ispsoftc *isp;
3691 int channel;
3692 {
3693 int tgt;
3694 mbreg_t mbs;
3695 sdparam *sdp, *sdp_chan0, *sdp_chan1;
3696
3697 if (IS_FC(isp)) {
3698 fcparam *fcp = (fcparam *) isp->isp_param;
3699 fcp += channel;
3700 if (fcp->isp_gotdparms) {
3701 return;
3702 }
3703 fcp->isp_gotdparms = 1;
3704 fcp->isp_maxfrmlen = ICB_DFLT_FRMLEN;
3705 fcp->isp_maxalloc = ICB_DFLT_ALLOC;
3706 fcp->isp_execthrottle = ICB_DFLT_THROTTLE;
3707 fcp->isp_retry_delay = ICB_DFLT_RDELAY;
3708 fcp->isp_retry_count = ICB_DFLT_RCOUNT;
3709 /* Platform specific.... */
3710 fcp->isp_loopid = DEFAULT_LOOPID(isp);
3711 fcp->isp_nodewwn = DEFAULT_WWN(isp);
3712 fcp->isp_portwwn = 0;
3713 /*
3714 * Now try and read NVRAM
3715 */
3716 if ((isp->isp_confopts & (ISP_CFG_NONVRAM|ISP_CFG_OWNWWN)) ||
3717 (isp_read_nvram(isp))) {
3718 PRINTF("%s: using Node WWN 0x%08x%08x\n",
3719 isp->isp_name, (u_int32_t)(fcp->isp_nodewwn >> 32),
3720 (u_int32_t)(fcp->isp_nodewwn & 0xffffffff));
3721 }
3722 return;
3723 }
3724
3725 sdp_chan0 = (sdparam *) isp->isp_param;
3726 sdp_chan1 = sdp_chan0 + 1;
3727 sdp = sdp_chan0 + channel;
3728
3729 /*
3730 * Been there, done that, got the T-shirt...
3731 */
3732 if (sdp->isp_gotdparms) {
3733 return;
3734 }
3735 sdp->isp_gotdparms = 1;
3736
3737 /*
3738 * If we've not been told to avoid reading NVRAM, try and read it.
3739 * If we're successful reading it, we can return since NVRAM will
3740 * tell us the right thing to do. Otherwise, establish some reasonable
3741 * defaults.
3742 */
3743 if ((isp->isp_confopts & ISP_CFG_NONVRAM) == 0) {
3744 if (isp_read_nvram(isp) == 0) {
3745 return;
3746 }
3747 }
3748
3749 /*
3750 * Now try and see whether we have specific values for them.
3751 */
3752 mbs.param[0] = MBOX_GET_ACT_NEG_STATE;
3753 isp_mboxcmd(isp, &mbs);
3754 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
3755 IDPRINTF(2, ("could not GET ACT NEG STATE\n"));
3756 sdp_chan0->isp_req_ack_active_neg = 1;
3757 sdp_chan0->isp_data_line_active_neg = 1;
3758 if (IS_12X0(isp)) {
3759 sdp_chan1->isp_req_ack_active_neg = 1;
3760 sdp_chan1->isp_data_line_active_neg = 1;
3761 }
3762 } else {
3763 sdp_chan0->isp_req_ack_active_neg = (mbs.param[1] >> 4) & 0x1;
3764 sdp_chan0->isp_data_line_active_neg = (mbs.param[1] >> 5) & 0x1;
3765 if (IS_12X0(isp)) {
3766 sdp_chan1->isp_req_ack_active_neg =
3767 (mbs.param[2] >> 4) & 0x1;
3768 sdp_chan1->isp_data_line_active_neg =
3769 (mbs.param[2] >> 5) & 0x1;
3770 }
3771 }
3772
3773 /*
3774 * The trick here is to establish a default for the default (honk!)
3775 * state (dev_flags). Then try and get the current status from
3776 * the card to fill in the current state. We don't, in fact, set
3777 * the default to the SAFE default state- that's not the goal state.
3778 */
3779 for (tgt = 0; tgt < MAX_TARGETS; tgt++) {
3780 sdp->isp_devparam[tgt].cur_offset = 0;
3781 sdp->isp_devparam[tgt].cur_period = 0;
3782 sdp->isp_devparam[tgt].dev_flags = DPARM_DEFAULT;
3783 sdp->isp_devparam[tgt].cur_dflags = 0;
3784 if (isp->isp_type < ISP_HA_SCSI_1040 ||
3785 (isp->isp_clock && isp->isp_clock < 60)) {
3786 sdp->isp_devparam[tgt].sync_offset =
3787 ISP_10M_SYNCPARMS >> 8;
3788 sdp->isp_devparam[tgt].sync_period =
3789 ISP_10M_SYNCPARMS & 0xff;
3790 } else if (IS_1080(isp)) {
3791 sdp->isp_devparam[tgt].sync_offset =
3792 ISP_40M_SYNCPARMS >> 8;
3793 sdp->isp_devparam[tgt].sync_period =
3794 ISP_40M_SYNCPARMS & 0xff;
3795 } else {
3796 sdp->isp_devparam[tgt].sync_offset =
3797 ISP_20M_SYNCPARMS >> 8;
3798 sdp->isp_devparam[tgt].sync_period =
3799 ISP_20M_SYNCPARMS & 0xff;
3800 }
3801
3802 /*
3803 * Don't get current target parameters if we've been
3804 * told not to use NVRAM- it's really the same thing.
3805 */
3806 if (isp->isp_confopts & ISP_CFG_NONVRAM) {
3807 continue;
3808 }
3809
3810 mbs.param[0] = MBOX_GET_TARGET_PARAMS;
3811 mbs.param[1] = tgt << 8;
3812 isp_mboxcmd(isp, &mbs);
3813 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
3814 continue;
3815 }
3816 sdp->isp_devparam[tgt].cur_dflags = mbs.param[2];
3817 sdp->isp_devparam[tgt].dev_flags = mbs.param[2];
3818 sdp->isp_devparam[tgt].cur_period = mbs.param[3] & 0xff;
3819 sdp->isp_devparam[tgt].cur_offset = mbs.param[3] >> 8;
3820
3821 /*
3822 * The maximum period we can really see
3823 * here is 100 (decimal), or 400 ns.
3824 * For some unknown reason we sometimes
3825 * get back wildass numbers from the
3826 * boot device's parameters (alpha only).
3827 */
3828 if ((mbs.param[3] & 0xff) <= 0x64) {
3829 sdp->isp_devparam[tgt].sync_period =
3830 mbs.param[3] & 0xff;
3831 sdp->isp_devparam[tgt].sync_offset =
3832 mbs.param[3] >> 8;
3833 }
3834
3835 /*
3836 * It is not safe to run Ultra Mode with a clock < 60.
3837 */
3838 if (((isp->isp_clock && isp->isp_clock < 60) ||
3839 (isp->isp_type < ISP_HA_SCSI_1020A)) &&
3840 (sdp->isp_devparam[tgt].sync_period <=
3841 (ISP_20M_SYNCPARMS & 0xff))) {
3842 sdp->isp_devparam[tgt].sync_offset =
3843 ISP_10M_SYNCPARMS >> 8;
3844 sdp->isp_devparam[tgt].sync_period =
3845 ISP_10M_SYNCPARMS & 0xff;
3846 }
3847 }
3848
3849 /*
3850 * Establish default some more default parameters.
3851 */
3852 sdp->isp_cmd_dma_burst_enable = 1;
3853 sdp->isp_data_dma_burst_enabl = 1;
3854 sdp->isp_fifo_threshold = 0;
3855 sdp->isp_initiator_id = 7;
3856 /* XXXX This is probably based upon clock XXXX */
3857 if (isp->isp_type >= ISP_HA_SCSI_1040) {
3858 sdp->isp_async_data_setup = 9;
3859 } else {
3860 sdp->isp_async_data_setup = 6;
3861 }
3862 sdp->isp_selection_timeout = 250;
3863 sdp->isp_max_queue_depth = MAXISPREQUEST;
3864 sdp->isp_tag_aging = 8;
3865 sdp->isp_bus_reset_delay = 3;
3866 sdp->isp_retry_count = 2;
3867 sdp->isp_retry_delay = 2;
3868
3869 for (tgt = 0; tgt < MAX_TARGETS; tgt++) {
3870 sdp->isp_devparam[tgt].exc_throttle = 16;
3871 sdp->isp_devparam[tgt].dev_enable = 1;
3872 }
3873 }
3874
3875 /*
3876 * Re-initialize the ISP and complete all orphaned commands
3877 * with a 'botched' notice. The reset/init routines should
3878 * not disturb an already active list of commands.
3879 *
3880 * Locks held prior to coming here.
3881 */
3882
3883 void
3884 isp_restart(isp)
3885 struct ispsoftc *isp;
3886 {
3887 ISP_SCSI_XFER_T *xs;
3888 u_int32_t handle;
3889
3890 #if 0
3891 isp->isp_gotdparms = 0;
3892 #endif
3893 isp_reset(isp);
3894 if (isp->isp_state == ISP_RESETSTATE) {
3895 isp_init(isp);
3896 if (isp->isp_state == ISP_INITSTATE) {
3897 isp->isp_state = ISP_RUNSTATE;
3898 }
3899 }
3900 if (isp->isp_state != ISP_RUNSTATE) {
3901 PRINTF("%s: isp_restart cannot restart ISP\n", isp->isp_name);
3902 }
3903 isp->isp_nactive = 0;
3904
3905 for (handle = 1; handle <= (int) isp->isp_maxcmds; handle++) {
3906 xs = isp_find_xs(isp, handle);
3907 if (xs == NULL) {
3908 continue;
3909 }
3910 isp_destroy_handle(isp, handle);
3911 if (XS_XFRLEN(xs)) {
3912 ISP_DMAFREE(isp, xs, handle);
3913 XS_RESID(xs) = XS_XFRLEN(xs);
3914 } else {
3915 XS_RESID(xs) = 0;
3916 }
3917 XS_SETERR(xs, HBA_BUSRESET);
3918 XS_CMD_DONE(xs);
3919 }
3920 }
3921
3922 /*
3923 * NVRAM Routines
3924 */
3925
3926 static int
3927 isp_read_nvram(isp)
3928 struct ispsoftc *isp;
3929 {
3930 static char *tru = "true";
3931 static char *not = "false";
3932 int i, amt;
3933 u_int8_t csum, minversion;
3934 union {
3935 u_int8_t _x[ISP2100_NVRAM_SIZE];
3936 u_int16_t _s[ISP2100_NVRAM_SIZE>>1];
3937 } _n;
3938 #define nvram_data _n._x
3939 #define nvram_words _n._s
3940
3941 if (IS_FC(isp)) {
3942 amt = ISP2100_NVRAM_SIZE;
3943 minversion = 1;
3944 } else if (IS_1080(isp) || IS_12X0(isp)) {
3945 amt = ISP1080_NVRAM_SIZE;
3946 minversion = 0;
3947 } else {
3948 amt = ISP_NVRAM_SIZE;
3949 minversion = 2;
3950 }
3951
3952 /*
3953 * Just read the first two words first to see if we have a valid
3954 * NVRAM to continue reading the rest with.
3955 */
3956 for (i = 0; i < 2; i++) {
3957 isp_rdnvram_word(isp, i, &nvram_words[i]);
3958 }
3959 if (nvram_data[0] != 'I' || nvram_data[1] != 'S' ||
3960 nvram_data[2] != 'P') {
3961 if (isp->isp_bustype != ISP_BT_SBUS) {
3962 PRINTF("%s: invalid NVRAM header (%x,%x,%x,%x)\n",
3963 isp->isp_name, nvram_data[0], nvram_data[1],
3964 nvram_data[2], nvram_data[3]);
3965 }
3966 return (-1);
3967 }
3968 for (i = 2; i < amt>>1; i++) {
3969 isp_rdnvram_word(isp, i, &nvram_words[i]);
3970 }
3971 for (csum = 0, i = 0; i < amt; i++) {
3972 csum += nvram_data[i];
3973 }
3974 if (csum != 0) {
3975 PRINTF("%s: invalid NVRAM checksum\n", isp->isp_name);
3976 return (-1);
3977 }
3978 if (ISP_NVRAM_VERSION(nvram_data) < minversion) {
3979 PRINTF("%s: version %d NVRAM not understood\n", isp->isp_name,
3980 ISP_NVRAM_VERSION(nvram_data));
3981 return (-1);
3982 }
3983
3984 if (IS_1080(isp) || IS_12X0(isp)) {
3985 int bus;
3986 sdparam *sdp = (sdparam *) isp->isp_param;
3987 for (bus = 0; bus < (IS_1080(isp)? 1 : 2); bus++, sdp++) {
3988 sdp->isp_fifo_threshold =
3989 ISP1080_NVRAM_FIFO_THRESHOLD(nvram_data);
3990
3991 sdp->isp_initiator_id =
3992 ISP1080_NVRAM_INITIATOR_ID(nvram_data, bus);
3993
3994 sdp->isp_bus_reset_delay =
3995 ISP1080_NVRAM_BUS_RESET_DELAY(nvram_data, bus);
3996
3997 sdp->isp_retry_count =
3998 ISP1080_NVRAM_BUS_RETRY_COUNT(nvram_data, bus);
3999
4000 sdp->isp_retry_delay =
4001 ISP1080_NVRAM_BUS_RETRY_DELAY(nvram_data, bus);
4002
4003 sdp->isp_async_data_setup =
4004 ISP1080_NVRAM_ASYNC_DATA_SETUP_TIME(nvram_data,
4005 bus);
4006
4007 sdp->isp_req_ack_active_neg =
4008 ISP1080_NVRAM_REQ_ACK_ACTIVE_NEGATION(nvram_data,
4009 bus);
4010
4011 sdp->isp_data_line_active_neg =
4012 ISP1080_NVRAM_DATA_LINE_ACTIVE_NEGATION(nvram_data,
4013 bus);
4014
4015 sdp->isp_data_dma_burst_enabl =
4016 ISP1080_NVRAM_BURST_ENABLE(nvram_data);
4017
4018 sdp->isp_cmd_dma_burst_enable =
4019 ISP1080_NVRAM_BURST_ENABLE(nvram_data);
4020
4021 sdp->isp_selection_timeout =
4022 ISP1080_NVRAM_SELECTION_TIMEOUT(nvram_data, bus);
4023
4024 sdp->isp_max_queue_depth =
4025 ISP1080_NVRAM_MAX_QUEUE_DEPTH(nvram_data, bus);
4026
4027 if (isp->isp_dblev >= 3) {
4028 PRINTF("%s: ISP1080 bus %d NVRAM values:\n",
4029 isp->isp_name, bus);
4030 PRINTF(" Initiator ID = %d\n",
4031 sdp->isp_initiator_id);
4032 PRINTF(" Fifo Threshold = 0x%x\n",
4033 sdp->isp_fifo_threshold);
4034 PRINTF(" Bus Reset Delay = %d\n",
4035 sdp->isp_bus_reset_delay);
4036 PRINTF(" Retry Count = %d\n",
4037 sdp->isp_retry_count);
4038 PRINTF(" Retry Delay = %d\n",
4039 sdp->isp_retry_delay);
4040 PRINTF(" Tag Age Limit = %d\n",
4041 sdp->isp_tag_aging);
4042 PRINTF(" Selection Timeout = %d\n",
4043 sdp->isp_selection_timeout);
4044 PRINTF(" Max Queue Depth = %d\n",
4045 sdp->isp_max_queue_depth);
4046 PRINTF(" Async Data Setup = 0x%x\n",
4047 sdp->isp_async_data_setup);
4048 PRINTF(" REQ/ACK Active Negation = %s\n",
4049 sdp->isp_req_ack_active_neg? tru : not);
4050 PRINTF(" Data Line Active Negation = %s\n",
4051 sdp->isp_data_line_active_neg? tru : not);
4052 PRINTF(" Cmd DMA Burst Enable = %s\n",
4053 sdp->isp_cmd_dma_burst_enable? tru : not);
4054 }
4055 for (i = 0; i < MAX_TARGETS; i++) {
4056 sdp->isp_devparam[i].dev_enable =
4057 ISP1080_NVRAM_TGT_DEVICE_ENABLE(nvram_data, i, bus);
4058 sdp->isp_devparam[i].exc_throttle =
4059 ISP1080_NVRAM_TGT_EXEC_THROTTLE(nvram_data, i, bus);
4060 sdp->isp_devparam[i].sync_offset =
4061 ISP1080_NVRAM_TGT_SYNC_OFFSET(nvram_data, i, bus);
4062 sdp->isp_devparam[i].sync_period =
4063 ISP1080_NVRAM_TGT_SYNC_PERIOD(nvram_data, i, bus);
4064 sdp->isp_devparam[i].dev_flags = 0;
4065 if (ISP1080_NVRAM_TGT_RENEG(nvram_data, i, bus))
4066 sdp->isp_devparam[i].dev_flags |= DPARM_RENEG;
4067 if (ISP1080_NVRAM_TGT_QFRZ(nvram_data, i, bus)) {
4068 PRINTF("%s: not supporting QFRZ option "
4069 "for target %d bus %d\n",
4070 isp->isp_name, i, bus);
4071 }
4072 sdp->isp_devparam[i].dev_flags |= DPARM_ARQ;
4073 if (ISP1080_NVRAM_TGT_ARQ(nvram_data, i, bus) == 0) {
4074 PRINTF("%s: not disabling ARQ option "
4075 "for target %d bus %d\n",
4076 isp->isp_name, i, bus);
4077 }
4078 if (ISP1080_NVRAM_TGT_TQING(nvram_data, i, bus))
4079 sdp->isp_devparam[i].dev_flags |= DPARM_TQING;
4080 if (ISP1080_NVRAM_TGT_SYNC(nvram_data, i, bus))
4081 sdp->isp_devparam[i].dev_flags |= DPARM_SYNC;
4082 if (ISP1080_NVRAM_TGT_WIDE(nvram_data, i, bus))
4083 sdp->isp_devparam[i].dev_flags |= DPARM_WIDE;
4084 if (ISP1080_NVRAM_TGT_PARITY(nvram_data, i, bus))
4085 sdp->isp_devparam[i].dev_flags |= DPARM_PARITY;
4086 if (ISP1080_NVRAM_TGT_DISC(nvram_data, i, bus))
4087 sdp->isp_devparam[i].dev_flags |= DPARM_DISC;
4088 sdp->isp_devparam[i].cur_dflags = 0;
4089 if (isp->isp_dblev >= 3) {
4090 PRINTF(" Target %d: Ena %d Throttle "
4091 "%d Offset %d Period %d Flags "
4092 "0x%x\n", i,
4093 sdp->isp_devparam[i].dev_enable,
4094 sdp->isp_devparam[i].exc_throttle,
4095 sdp->isp_devparam[i].sync_offset,
4096 sdp->isp_devparam[i].sync_period,
4097 sdp->isp_devparam[i].dev_flags);
4098 }
4099 }
4100 }
4101 } else if (IS_SCSI(isp)) {
4102 sdparam *sdp = (sdparam *) isp->isp_param;
4103
4104 sdp->isp_fifo_threshold =
4105 ISP_NVRAM_FIFO_THRESHOLD(nvram_data) |
4106 (ISP_NVRAM_FIFO_THRESHOLD_128(nvram_data) << 2);
4107
4108 sdp->isp_initiator_id =
4109 ISP_NVRAM_INITIATOR_ID(nvram_data);
4110
4111 sdp->isp_bus_reset_delay =
4112 ISP_NVRAM_BUS_RESET_DELAY(nvram_data);
4113
4114 sdp->isp_retry_count =
4115 ISP_NVRAM_BUS_RETRY_COUNT(nvram_data);
4116
4117 sdp->isp_retry_delay =
4118 ISP_NVRAM_BUS_RETRY_DELAY(nvram_data);
4119
4120 sdp->isp_async_data_setup =
4121 ISP_NVRAM_ASYNC_DATA_SETUP_TIME(nvram_data);
4122
4123 if (isp->isp_type >= ISP_HA_SCSI_1040) {
4124 if (sdp->isp_async_data_setup < 9) {
4125 sdp->isp_async_data_setup = 9;
4126 }
4127 } else {
4128 if (sdp->isp_async_data_setup != 6) {
4129 sdp->isp_async_data_setup = 6;
4130 }
4131 }
4132
4133 sdp->isp_req_ack_active_neg =
4134 ISP_NVRAM_REQ_ACK_ACTIVE_NEGATION(nvram_data);
4135
4136 sdp->isp_data_line_active_neg =
4137 ISP_NVRAM_DATA_LINE_ACTIVE_NEGATION(nvram_data);
4138
4139 sdp->isp_data_dma_burst_enabl =
4140 ISP_NVRAM_DATA_DMA_BURST_ENABLE(nvram_data);
4141
4142 sdp->isp_cmd_dma_burst_enable =
4143 ISP_NVRAM_CMD_DMA_BURST_ENABLE(nvram_data);
4144
4145 sdp->isp_tag_aging =
4146 ISP_NVRAM_TAG_AGE_LIMIT(nvram_data);
4147
4148 sdp->isp_selection_timeout =
4149 ISP_NVRAM_SELECTION_TIMEOUT(nvram_data);
4150
4151 sdp->isp_max_queue_depth =
4152 ISP_NVRAM_MAX_QUEUE_DEPTH(nvram_data);
4153
4154 isp->isp_fast_mttr = ISP_NVRAM_FAST_MTTR_ENABLE(nvram_data);
4155 if (isp->isp_dblev > 2) {
4156 PRINTF("%s: NVRAM values:\n", isp->isp_name);
4157 PRINTF(" Fifo Threshold = 0x%x\n",
4158 sdp->isp_fifo_threshold);
4159 PRINTF(" Bus Reset Delay = %d\n",
4160 sdp->isp_bus_reset_delay);
4161 PRINTF(" Retry Count = %d\n",
4162 sdp->isp_retry_count);
4163 PRINTF(" Retry Delay = %d\n",
4164 sdp->isp_retry_delay);
4165 PRINTF(" Tag Age Limit = %d\n",
4166 sdp->isp_tag_aging);
4167 PRINTF(" Selection Timeout = %d\n",
4168 sdp->isp_selection_timeout);
4169 PRINTF(" Max Queue Depth = %d\n",
4170 sdp->isp_max_queue_depth);
4171 PRINTF(" Async Data Setup = 0x%x\n",
4172 sdp->isp_async_data_setup);
4173 PRINTF(" REQ/ACK Active Negation = %s\n",
4174 sdp->isp_req_ack_active_neg? tru : not);
4175 PRINTF(" Data Line Active Negation = %s\n",
4176 sdp->isp_data_line_active_neg? tru : not);
4177 PRINTF(" Data DMA Burst Enable = %s\n",
4178 sdp->isp_data_dma_burst_enabl? tru : not);
4179 PRINTF(" Cmd DMA Burst Enable = %s\n",
4180 sdp->isp_cmd_dma_burst_enable? tru : not);
4181 PRINTF(" Fast MTTR = %s\n",
4182 isp->isp_fast_mttr? tru : not);
4183 }
4184 for (i = 0; i < MAX_TARGETS; i++) {
4185 sdp->isp_devparam[i].dev_enable =
4186 ISP_NVRAM_TGT_DEVICE_ENABLE(nvram_data, i);
4187 sdp->isp_devparam[i].exc_throttle =
4188 ISP_NVRAM_TGT_EXEC_THROTTLE(nvram_data, i);
4189 sdp->isp_devparam[i].sync_offset =
4190 ISP_NVRAM_TGT_SYNC_OFFSET(nvram_data, i);
4191 sdp->isp_devparam[i].sync_period =
4192 ISP_NVRAM_TGT_SYNC_PERIOD(nvram_data, i);
4193
4194 if (isp->isp_type < ISP_HA_SCSI_1040) {
4195 /*
4196 * If we're not ultra, we can't possibly
4197 * be a shorter period than this.
4198 */
4199 if (sdp->isp_devparam[i].sync_period < 0x19) {
4200 sdp->isp_devparam[i].sync_period =
4201 0x19;
4202 }
4203 if (sdp->isp_devparam[i].sync_offset > 0xc) {
4204 sdp->isp_devparam[i].sync_offset =
4205 0x0c;
4206 }
4207 } else {
4208 if (sdp->isp_devparam[i].sync_offset > 0x8) {
4209 sdp->isp_devparam[i].sync_offset = 0x8;
4210 }
4211 }
4212 sdp->isp_devparam[i].dev_flags = 0;
4213 if (ISP_NVRAM_TGT_RENEG(nvram_data, i))
4214 sdp->isp_devparam[i].dev_flags |= DPARM_RENEG;
4215 if (ISP_NVRAM_TGT_QFRZ(nvram_data, i)) {
4216 PRINTF("%s: not supporting QFRZ option for "
4217 "target %d\n", isp->isp_name, i);
4218 }
4219 sdp->isp_devparam[i].dev_flags |= DPARM_ARQ;
4220 if (ISP_NVRAM_TGT_ARQ(nvram_data, i) == 0) {
4221 PRINTF("%s: not disabling ARQ option for "
4222 "target %d\n", isp->isp_name, i);
4223 }
4224 if (ISP_NVRAM_TGT_TQING(nvram_data, i))
4225 sdp->isp_devparam[i].dev_flags |= DPARM_TQING;
4226 if (ISP_NVRAM_TGT_SYNC(nvram_data, i))
4227 sdp->isp_devparam[i].dev_flags |= DPARM_SYNC;
4228 if (ISP_NVRAM_TGT_WIDE(nvram_data, i))
4229 sdp->isp_devparam[i].dev_flags |= DPARM_WIDE;
4230 if (ISP_NVRAM_TGT_PARITY(nvram_data, i))
4231 sdp->isp_devparam[i].dev_flags |= DPARM_PARITY;
4232 if (ISP_NVRAM_TGT_DISC(nvram_data, i))
4233 sdp->isp_devparam[i].dev_flags |= DPARM_DISC;
4234 sdp->isp_devparam[i].cur_dflags = 0; /* we don't know */
4235 if (isp->isp_dblev > 2) {
4236 PRINTF(" Target %d: Enabled %d Throttle %d "
4237 "Offset %d Period %d Flags 0x%x\n", i,
4238 sdp->isp_devparam[i].dev_enable,
4239 sdp->isp_devparam[i].exc_throttle,
4240 sdp->isp_devparam[i].sync_offset,
4241 sdp->isp_devparam[i].sync_period,
4242 sdp->isp_devparam[i].dev_flags);
4243 }
4244 }
4245 } else {
4246 fcparam *fcp = (fcparam *) isp->isp_param;
4247 union {
4248 struct {
4249 #if BYTE_ORDER == BIG_ENDIAN
4250 u_int32_t hi32;
4251 u_int32_t lo32;
4252 #else
4253 u_int32_t lo32;
4254 u_int32_t hi32;
4255 #endif
4256 } wd;
4257 u_int64_t full64;
4258 } wwnstore;
4259
4260 wwnstore.full64 = ISP2100_NVRAM_NODE_NAME(nvram_data);
4261 /*
4262 * Broken PTI cards with nothing in the top nibble. Pah.
4263 */
4264 if ((wwnstore.wd.hi32 >> 28) == 0) {
4265 wwnstore.wd.hi32 |= (2 << 28);
4266 CFGPRINTF("%s: (corrected) Adapter WWN 0x%08x%08x\n",
4267 isp->isp_name, wwnstore.wd.hi32, wwnstore.wd.lo32);
4268 } else {
4269 CFGPRINTF("%s: Adapter WWN 0x%08x%08x\n", isp->isp_name,
4270 wwnstore.wd.hi32, wwnstore.wd.lo32);
4271 }
4272 fcp->isp_nodewwn = wwnstore.full64;
4273
4274 /*
4275 * If the Node WWN has 2 in the top nibble, we can
4276 * authoritatively construct a Port WWN by adding
4277 * our unit number (plus one to make it nonzero) and
4278 * putting it into bits 59..56. If the top nibble isn't
4279 * 2, then we just set them identically.
4280 */
4281 if ((fcp->isp_nodewwn >> 60) == 2) {
4282 fcp->isp_portwwn = fcp->isp_nodewwn |
4283 (((u_int64_t)(isp->isp_unit+1)) << 56);
4284 } else {
4285 fcp->isp_portwwn = fcp->isp_nodewwn;
4286 }
4287 wwnstore.full64 = ISP2100_NVRAM_BOOT_NODE_NAME(nvram_data);
4288 if (wwnstore.full64 != 0) {
4289 PRINTF("%s: BOOT DEVICE WWN 0x%08x%08x\n",
4290 isp->isp_name, wwnstore.wd.hi32, wwnstore.wd.lo32);
4291 }
4292 fcp->isp_maxalloc =
4293 ISP2100_NVRAM_MAXIOCBALLOCATION(nvram_data);
4294 fcp->isp_maxfrmlen =
4295 ISP2100_NVRAM_MAXFRAMELENGTH(nvram_data);
4296 fcp->isp_retry_delay =
4297 ISP2100_NVRAM_RETRY_DELAY(nvram_data);
4298 fcp->isp_retry_count =
4299 ISP2100_NVRAM_RETRY_COUNT(nvram_data);
4300 fcp->isp_loopid =
4301 ISP2100_NVRAM_HARDLOOPID(nvram_data);
4302 fcp->isp_execthrottle =
4303 ISP2100_NVRAM_EXECUTION_THROTTLE(nvram_data);
4304 fcp->isp_fwoptions = ISP2100_NVRAM_OPTIONS(nvram_data);
4305 if (isp->isp_dblev > 2) {
4306 PRINTF("%s: NVRAM values:\n", isp->isp_name);
4307 PRINTF(" Max IOCB Allocation = %d\n",
4308 fcp->isp_maxalloc);
4309 PRINTF(" Max Frame Length = %d\n",
4310 fcp->isp_maxfrmlen);
4311 PRINTF(" Execution Throttle = %d\n",
4312 fcp->isp_execthrottle);
4313 PRINTF(" Retry Count = %d\n",
4314 fcp->isp_retry_count);
4315 PRINTF(" Retry Delay = %d\n",
4316 fcp->isp_retry_delay);
4317 PRINTF(" Hard Loop ID = %d\n",
4318 fcp->isp_loopid);
4319 PRINTF(" Options = 0x%x\n",
4320 fcp->isp_fwoptions);
4321 PRINTF(" HBA Options = 0x%x\n",
4322 ISP2100_NVRAM_HBA_OPTIONS(nvram_data));
4323 }
4324 }
4325 IDPRINTF(3, ("%s: NVRAM is valid\n", isp->isp_name));
4326 return (0);
4327 }
4328
4329 static void
4330 isp_rdnvram_word(isp, wo, rp)
4331 struct ispsoftc *isp;
4332 int wo;
4333 u_int16_t *rp;
4334 {
4335 int i, cbits;
4336 u_int16_t bit, rqst;
4337
4338 ISP_WRITE(isp, BIU_NVRAM, BIU_NVRAM_SELECT);
4339 SYS_DELAY(2);
4340 ISP_WRITE(isp, BIU_NVRAM, BIU_NVRAM_SELECT|BIU_NVRAM_CLOCK);
4341 SYS_DELAY(2);
4342
4343 if (IS_FC(isp)) {
4344 wo &= ((ISP2100_NVRAM_SIZE >> 1) - 1);
4345 rqst = (ISP_NVRAM_READ << 8) | wo;
4346 cbits = 10;
4347 } else if (IS_1080(isp) || IS_12X0(isp)) {
4348 wo &= ((ISP1080_NVRAM_SIZE >> 1) - 1);
4349 rqst = (ISP_NVRAM_READ << 8) | wo;
4350 cbits = 10;
4351 } else {
4352 wo &= ((ISP_NVRAM_SIZE >> 1) - 1);
4353 rqst = (ISP_NVRAM_READ << 6) | wo;
4354 cbits = 8;
4355 }
4356
4357 /*
4358 * Clock the word select request out...
4359 */
4360 for (i = cbits; i >= 0; i--) {
4361 if ((rqst >> i) & 1) {
4362 bit = BIU_NVRAM_SELECT | BIU_NVRAM_DATAOUT;
4363 } else {
4364 bit = BIU_NVRAM_SELECT;
4365 }
4366 ISP_WRITE(isp, BIU_NVRAM, bit);
4367 SYS_DELAY(2);
4368 ISP_WRITE(isp, BIU_NVRAM, bit | BIU_NVRAM_CLOCK);
4369 SYS_DELAY(2);
4370 ISP_WRITE(isp, BIU_NVRAM, bit);
4371 SYS_DELAY(2);
4372 }
4373 /*
4374 * Now read the result back in (bits come back in MSB format).
4375 */
4376 *rp = 0;
4377 for (i = 0; i < 16; i++) {
4378 u_int16_t rv;
4379 *rp <<= 1;
4380 ISP_WRITE(isp, BIU_NVRAM, BIU_NVRAM_SELECT|BIU_NVRAM_CLOCK);
4381 SYS_DELAY(2);
4382 rv = ISP_READ(isp, BIU_NVRAM);
4383 if (rv & BIU_NVRAM_DATAIN) {
4384 *rp |= 1;
4385 }
4386 SYS_DELAY(2);
4387 ISP_WRITE(isp, BIU_NVRAM, BIU_NVRAM_SELECT);
4388 SYS_DELAY(2);
4389 }
4390 ISP_WRITE(isp, BIU_NVRAM, 0);
4391 SYS_DELAY(2);
4392 #if BYTE_ORDER == BIG_ENDIAN
4393 *rp = ((*rp >> 8) | ((*rp & 0xff) << 8));
4394 #endif
4395 }
4396