isp.c revision 1.44 1 /* $NetBSD: isp.c,v 1.44 1999/12/16 05:35:42 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 (so we can read the SXP registers).
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_1240(isp)) {
175 sdparam *sdp = isp->isp_param;
176 revname = "1240";
177 isp->isp_clock = 60;
178 sdp->isp_ultramode = 1;
179 sdp++;
180 sdp->isp_ultramode = 1;
181 /*
182 * XXX: Should probably do some bus sensing.
183 */
184 } else if (IS_ULTRA2(isp)) {
185 static char *m = "%s: bus %d is in %s Mode\n";
186 u_int16_t l;
187 sdparam *sdp = isp->isp_param;
188
189 isp->isp_clock = 100;
190
191 revname = "1080";
192 l = ISP_READ(isp, SXP_PINS_DIFF) & ISP1080_MODE_MASK;
193 switch (l) {
194 case ISP1080_LVD_MODE:
195 sdp->isp_lvdmode = 1;
196 CFGPRINTF(m, isp->isp_name, 0, "LVD");
197 break;
198 case ISP1080_HVD_MODE:
199 sdp->isp_diffmode = 1;
200 CFGPRINTF(m, isp->isp_name, 0, "Differential");
201 break;
202 case ISP1080_SE_MODE:
203 sdp->isp_ultramode = 1;
204 CFGPRINTF(m, isp->isp_name, 0, "Single-Ended");
205 break;
206 default:
207 CFGPRINTF("%s: unknown mode on bus %d (0x%x)\n",
208 isp->isp_name, 0, l);
209 break;
210 }
211
212 if (IS_1280(isp)) {
213 sdp++;
214 revname[1] = '2';
215 l = ISP_READ(isp, SXP_PINS_DIFF|SXP_BANK1_SELECT);
216 l &= ISP1080_MODE_MASK;
217 switch(l) {
218 case ISP1080_LVD_MODE:
219 sdp->isp_lvdmode = 1;
220 CFGPRINTF(m, isp->isp_name, 1, "LVD");
221 break;
222 case ISP1080_HVD_MODE:
223 sdp->isp_diffmode = 1;
224 CFGPRINTF(m, isp->isp_name, 1, "Differential");
225 break;
226 case ISP1080_SE_MODE:
227 sdp->isp_ultramode = 1;
228 CFGPRINTF(m, isp->isp_name, 1, "Single-Ended");
229 break;
230 default:
231 CFGPRINTF("%s: unknown mode on bus %d (0x%x)\n",
232 isp->isp_name, 1, l);
233 break;
234 }
235 }
236 } else {
237 sdparam *sdp = isp->isp_param;
238 i = ISP_READ(isp, BIU_CONF0) & BIU_CONF0_HW_MASK;
239 switch (i) {
240 default:
241 PRINTF("%s: unknown chip rev. 0x%x- assuming a 1020\n",
242 isp->isp_name, i);
243 /* FALLTHROUGH */
244 case 1:
245 revname = "1020";
246 isp->isp_type = ISP_HA_SCSI_1020;
247 isp->isp_clock = 40;
248 break;
249 case 2:
250 /*
251 * Some 1020A chips are Ultra Capable, but don't
252 * run the clock rate up for that unless told to
253 * do so by the Ultra Capable bits being set.
254 */
255 revname = "1020A";
256 isp->isp_type = ISP_HA_SCSI_1020A;
257 isp->isp_clock = 40;
258 break;
259 case 3:
260 revname = "1040";
261 isp->isp_type = ISP_HA_SCSI_1040;
262 isp->isp_clock = 60;
263 break;
264 case 4:
265 revname = "1040A";
266 isp->isp_type = ISP_HA_SCSI_1040A;
267 isp->isp_clock = 60;
268 break;
269 case 5:
270 revname = "1040B";
271 isp->isp_type = ISP_HA_SCSI_1040B;
272 isp->isp_clock = 60;
273 break;
274 case 6:
275 revname = "1040C";
276 isp->isp_type = ISP_HA_SCSI_1040C;
277 isp->isp_clock = 60;
278 break;
279 }
280 /*
281 * Now, while we're at it, gather info about ultra
282 * and/or differential mode.
283 */
284 if (ISP_READ(isp, SXP_PINS_DIFF) & SXP_PINS_DIFF_MODE) {
285 CFGPRINTF("%s: Differential Mode\n", isp->isp_name);
286 sdp->isp_diffmode = 1;
287 } else {
288 sdp->isp_diffmode = 0;
289 }
290 i = ISP_READ(isp, RISC_PSR);
291 if (isp->isp_bustype == ISP_BT_SBUS) {
292 i &= RISC_PSR_SBUS_ULTRA;
293 } else {
294 i &= RISC_PSR_PCI_ULTRA;
295 }
296 if (i != 0) {
297 CFGPRINTF("%s: Ultra Mode Capable\n", isp->isp_name);
298 sdp->isp_ultramode = 1;
299 /*
300 * If we're in Ultra Mode, we have to be 60Mhz clock-
301 * even for the SBus version.
302 */
303 isp->isp_clock = 60;
304 } else {
305 sdp->isp_ultramode = 0;
306 /*
307 * Clock is known. Gronk.
308 */
309 }
310
311 /*
312 * Machine dependent clock (if set) overrides
313 * our generic determinations.
314 */
315 if (isp->isp_mdvec->dv_clock) {
316 if (isp->isp_mdvec->dv_clock < isp->isp_clock) {
317 isp->isp_clock = isp->isp_mdvec->dv_clock;
318 }
319 }
320
321 }
322
323 /*
324 * Do MD specific pre initialization
325 */
326 ISP_RESET0(isp);
327
328 again:
329
330 /*
331 * Hit the chip over the head with hammer,
332 * and give the ISP a chance to recover.
333 */
334
335 if (IS_SCSI(isp)) {
336 ISP_WRITE(isp, BIU_ICR, BIU_ICR_SOFT_RESET);
337 /*
338 * A slight delay...
339 */
340 SYS_DELAY(100);
341
342 #if 0
343 PRINTF("%s: mbox0-5: 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x\n",
344 isp->isp_name, ISP_READ(isp, OUTMAILBOX0),
345 ISP_READ(isp, OUTMAILBOX1), ISP_READ(isp, OUTMAILBOX2),
346 ISP_READ(isp, OUTMAILBOX3), ISP_READ(isp, OUTMAILBOX4),
347 ISP_READ(isp, OUTMAILBOX5));
348 #endif
349
350 /*
351 * Clear data && control DMA engines.
352 */
353 ISP_WRITE(isp, CDMA_CONTROL,
354 DMA_CNTRL_CLEAR_CHAN | DMA_CNTRL_RESET_INT);
355 ISP_WRITE(isp, DDMA_CONTROL,
356 DMA_CNTRL_CLEAR_CHAN | DMA_CNTRL_RESET_INT);
357
358
359 } else {
360 ISP_WRITE(isp, BIU2100_CSR, BIU2100_SOFT_RESET);
361 /*
362 * A slight delay...
363 */
364 SYS_DELAY(100);
365
366 /*
367 * Clear data && control DMA engines.
368 */
369 ISP_WRITE(isp, CDMA2100_CONTROL,
370 DMA_CNTRL2100_CLEAR_CHAN | DMA_CNTRL2100_RESET_INT);
371 ISP_WRITE(isp, TDMA2100_CONTROL,
372 DMA_CNTRL2100_CLEAR_CHAN | DMA_CNTRL2100_RESET_INT);
373 ISP_WRITE(isp, RDMA2100_CONTROL,
374 DMA_CNTRL2100_CLEAR_CHAN | DMA_CNTRL2100_RESET_INT);
375 }
376
377 /*
378 * Wait for ISP to be ready to go...
379 */
380 loops = MBOX_DELAY_COUNT;
381 for (;;) {
382 if (IS_SCSI(isp)) {
383 if (!(ISP_READ(isp, BIU_ICR) & BIU_ICR_SOFT_RESET))
384 break;
385 } else {
386 if (!(ISP_READ(isp, BIU2100_CSR) & BIU2100_SOFT_RESET))
387 break;
388 }
389 SYS_DELAY(100);
390 if (--loops < 0) {
391 isp_dumpregs(isp, "chip reset timed out");
392 return;
393 }
394 }
395
396 /*
397 * After we've fired this chip up, zero out the conf1 register
398 * for SCSI adapters and other settings for the 2100.
399 */
400
401 if (IS_SCSI(isp)) {
402 ISP_WRITE(isp, BIU_CONF1, 0);
403 } else {
404 ISP_WRITE(isp, BIU2100_CSR, 0);
405 }
406
407 /*
408 * Reset RISC Processor
409 */
410 ISP_WRITE(isp, HCCR, HCCR_CMD_RESET);
411 SYS_DELAY(100);
412
413 /*
414 * Establish some initial burst rate stuff.
415 * (only for the 1XX0 boards). This really should
416 * be done later after fetching from NVRAM.
417 */
418 if (IS_SCSI(isp)) {
419 u_int16_t tmp = isp->isp_mdvec->dv_conf1;
420 /*
421 * Busted FIFO. Turn off all but burst enables.
422 */
423 if (isp->isp_type == ISP_HA_SCSI_1040A) {
424 tmp &= BIU_BURST_ENABLE;
425 }
426 ISP_SETBITS(isp, BIU_CONF1, tmp);
427 if (tmp & BIU_BURST_ENABLE) {
428 ISP_SETBITS(isp, CDMA_CONF, DMA_ENABLE_BURST);
429 ISP_SETBITS(isp, DDMA_CONF, DMA_ENABLE_BURST);
430 }
431 #ifdef PTI_CARDS
432 if (((sdparam *) isp->isp_param)->isp_ultramode) {
433 while (ISP_READ(isp, RISC_MTR) != 0x1313) {
434 ISP_WRITE(isp, RISC_MTR, 0x1313);
435 ISP_WRITE(isp, HCCR, HCCR_CMD_STEP);
436 }
437 } else {
438 ISP_WRITE(isp, RISC_MTR, 0x1212);
439 }
440 /*
441 * PTI specific register
442 */
443 ISP_WRITE(isp, RISC_EMB, DUAL_BANK)
444 #else
445 ISP_WRITE(isp, RISC_MTR, 0x1212);
446 #endif
447 } else {
448 ISP_WRITE(isp, RISC_MTR2100, 0x1212);
449 }
450
451 ISP_WRITE(isp, HCCR, HCCR_CMD_RELEASE); /* release paused processor */
452
453 /*
454 * Do MD specific post initialization
455 */
456 ISP_RESET1(isp);
457
458 /*
459 * Wait for everything to finish firing up...
460 */
461 loops = MBOX_DELAY_COUNT;
462 while (ISP_READ(isp, OUTMAILBOX0) == MBOX_BUSY) {
463 SYS_DELAY(100);
464 if (--loops < 0) {
465 PRINTF("%s: MBOX_BUSY never cleared on reset\n",
466 isp->isp_name);
467 return;
468 }
469 }
470
471 /*
472 * Up until this point we've done everything by just reading or
473 * setting registers. From this point on we rely on at least *some*
474 * kind of firmware running in the card.
475 */
476
477 /*
478 * Do some sanity checking.
479 */
480 mbs.param[0] = MBOX_NO_OP;
481 isp_mboxcmd(isp, &mbs);
482 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
483 isp_dumpregs(isp, "NOP test failed");
484 return;
485 }
486
487 if (IS_SCSI(isp)) {
488 mbs.param[0] = MBOX_MAILBOX_REG_TEST;
489 mbs.param[1] = 0xdead;
490 mbs.param[2] = 0xbeef;
491 mbs.param[3] = 0xffff;
492 mbs.param[4] = 0x1111;
493 mbs.param[5] = 0xa5a5;
494 isp_mboxcmd(isp, &mbs);
495 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
496 isp_dumpregs(isp,
497 "Mailbox Register test didn't complete");
498 return;
499 }
500 if (mbs.param[1] != 0xdead || mbs.param[2] != 0xbeef ||
501 mbs.param[3] != 0xffff || mbs.param[4] != 0x1111 ||
502 mbs.param[5] != 0xa5a5) {
503 isp_dumpregs(isp, "Register Test Failed");
504 return;
505 }
506
507 }
508
509 /*
510 * Download new Firmware, unless requested not to do so.
511 * This is made slightly trickier in some cases where the
512 * firmware of the ROM revision is newer than the revision
513 * compiled into the driver. So, where we used to compare
514 * versions of our f/w and the ROM f/w, now we just see
515 * whether we have f/w at all and whether a config flag
516 * has disabled our download.
517 */
518 if ((isp->isp_mdvec->dv_ispfw == NULL) ||
519 (isp->isp_confopts & ISP_CFG_NORELOAD)) {
520 dodnld = 0;
521 }
522
523 if (dodnld) {
524 u_int16_t fwlen = isp->isp_mdvec->dv_fwlen;
525 if (fwlen == 0)
526 fwlen = isp->isp_mdvec->dv_ispfw[3]; /* usually here */
527 for (i = 0; i < fwlen; i++) {
528 mbs.param[0] = MBOX_WRITE_RAM_WORD;
529 mbs.param[1] = isp->isp_mdvec->dv_codeorg + i;
530 mbs.param[2] = isp->isp_mdvec->dv_ispfw[i];
531 isp_mboxcmd(isp, &mbs);
532 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
533 PRINTF("%s: F/W download failed at word %d\n",
534 isp->isp_name, i);
535 dodnld = 0;
536 goto again;
537 }
538 }
539
540 /*
541 * Verify that it downloaded correctly.
542 */
543 mbs.param[0] = MBOX_VERIFY_CHECKSUM;
544 mbs.param[1] = isp->isp_mdvec->dv_codeorg;
545 isp_mboxcmd(isp, &mbs);
546 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
547 isp_dumpregs(isp, "ram checksum failure");
548 return;
549 }
550 } else {
551 IDPRINTF(3, ("%s: skipping f/w download\n", isp->isp_name));
552 }
553
554 /*
555 * Now start it rolling.
556 *
557 * If we didn't actually download f/w,
558 * we still need to (re)start it.
559 */
560
561 mbs.param[0] = MBOX_EXEC_FIRMWARE;
562 if (isp->isp_mdvec->dv_codeorg)
563 mbs.param[1] = isp->isp_mdvec->dv_codeorg;
564 else
565 mbs.param[1] = 0x1000;
566 isp_mboxcmd(isp, &mbs);
567
568 if (IS_SCSI(isp)) {
569 /*
570 * Set CLOCK RATE, but only if asked to.
571 */
572 if (isp->isp_clock) {
573 mbs.param[0] = MBOX_SET_CLOCK_RATE;
574 mbs.param[1] = isp->isp_clock;
575 isp_mboxcmd(isp, &mbs);
576 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
577 PRINTF("failed to set clockrate (0x%x)\n",
578 mbs.param[0]);
579 /* but continue */
580 }
581 }
582 }
583 mbs.param[0] = MBOX_ABOUT_FIRMWARE;
584 isp_mboxcmd(isp, &mbs);
585 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
586 PRINTF("could not get f/w started (0x%x)\n", mbs.param[0]);
587 return;
588 }
589 CFGPRINTF("%s: Board Revision %s, %s F/W Revision %d.%d.%d\n",
590 isp->isp_name, revname, dodnld? "loaded" : "resident",
591 mbs.param[1], mbs.param[2], mbs.param[3]);
592 if (IS_FC(isp)) {
593 if (ISP_READ(isp, BIU2100_CSR) & BIU2100_PCI64) {
594 CFGPRINTF("%s: in 64-Bit PCI slot\n", isp->isp_name);
595 }
596 }
597
598 isp->isp_fwrev[0] = mbs.param[1];
599 isp->isp_fwrev[1] = mbs.param[2];
600 isp->isp_fwrev[2] = mbs.param[3];
601 if (isp->isp_romfw_rev[0] || isp->isp_romfw_rev[1] ||
602 isp->isp_romfw_rev[2]) {
603 CFGPRINTF("%s: Last F/W revision was %d.%d.%d\n", isp->isp_name,
604 isp->isp_romfw_rev[0], isp->isp_romfw_rev[1],
605 isp->isp_romfw_rev[2]);
606 }
607
608 mbs.param[0] = MBOX_GET_FIRMWARE_STATUS;
609 isp_mboxcmd(isp, &mbs);
610 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
611 PRINTF("%s: could not GET FIRMWARE STATUS\n", isp->isp_name);
612 return;
613 }
614 isp->isp_maxcmds = mbs.param[2];
615 CFGPRINTF("%s: %d max I/O commands supported\n",
616 isp->isp_name, mbs.param[2]);
617 isp_fw_state(isp);
618
619 /*
620 * Set up DMA for the request and result mailboxes.
621 */
622 if (ISP_MBOXDMASETUP(isp) != 0) {
623 PRINTF("%s: can't setup dma mailboxes\n", isp->isp_name);
624 return;
625 }
626 isp->isp_state = ISP_RESETSTATE;
627 }
628
629 /*
630 * Initialize Parameters of Hardware to a known state.
631 *
632 * Locks are held before coming here.
633 */
634
635 void
636 isp_init(isp)
637 struct ispsoftc *isp;
638 {
639 /*
640 * Must do this first to get defaults established.
641 */
642 isp_setdfltparm(isp, 0);
643 if (IS_DUALBUS(isp)) {
644 isp_setdfltparm(isp, 1);
645 }
646
647 if (IS_FC(isp)) {
648 isp_fibre_init(isp);
649 } else {
650 isp_scsi_init(isp);
651 }
652 }
653
654 static void
655 isp_scsi_init(isp)
656 struct ispsoftc *isp;
657 {
658 sdparam *sdp_chan0, *sdp_chan1;
659 mbreg_t mbs;
660
661 sdp_chan0 = isp->isp_param;
662 sdp_chan1 = sdp_chan0;
663 if (IS_DUALBUS(isp)) {
664 sdp_chan1++;
665 }
666
667 /* First do overall per-card settings. */
668
669 /*
670 * If we have fast memory timing enabled, turn it on.
671 */
672 if (isp->isp_fast_mttr) {
673 ISP_WRITE(isp, RISC_MTR, 0x1313);
674 }
675
676 /*
677 * Set Retry Delay and Count.
678 * You set both channels at the same time.
679 */
680 mbs.param[0] = MBOX_SET_RETRY_COUNT;
681 mbs.param[1] = sdp_chan0->isp_retry_count;
682 mbs.param[2] = sdp_chan0->isp_retry_delay;
683 mbs.param[6] = sdp_chan1->isp_retry_count;
684 mbs.param[7] = sdp_chan1->isp_retry_delay;
685
686 isp_mboxcmd(isp, &mbs);
687 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
688 PRINTF("%s: failed to set retry count and retry delay\n",
689 isp->isp_name);
690 return;
691 }
692
693 /*
694 * Set ASYNC DATA SETUP time. This is very important.
695 */
696 mbs.param[0] = MBOX_SET_ASYNC_DATA_SETUP_TIME;
697 mbs.param[1] = sdp_chan0->isp_async_data_setup;
698 mbs.param[2] = sdp_chan1->isp_async_data_setup;
699 isp_mboxcmd(isp, &mbs);
700 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
701 PRINTF("%s: failed to set asynchronous data setup time\n",
702 isp->isp_name);
703 return;
704 }
705
706 /*
707 * Set ACTIVE Negation State.
708 */
709 mbs.param[0] = MBOX_SET_ACT_NEG_STATE;
710 mbs.param[1] =
711 (sdp_chan0->isp_req_ack_active_neg << 4) |
712 (sdp_chan0->isp_data_line_active_neg << 5);
713 mbs.param[2] =
714 (sdp_chan1->isp_req_ack_active_neg << 4) |
715 (sdp_chan1->isp_data_line_active_neg << 5);
716
717 isp_mboxcmd(isp, &mbs);
718 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
719 PRINTF("%s: failed to set active negation state "
720 "(%d,%d),(%d,%d)\n", isp->isp_name,
721 sdp_chan0->isp_req_ack_active_neg,
722 sdp_chan0->isp_data_line_active_neg,
723 sdp_chan1->isp_req_ack_active_neg,
724 sdp_chan1->isp_data_line_active_neg);
725 /*
726 * But don't return.
727 */
728 }
729
730 /*
731 * Set the Tag Aging limit
732 */
733 mbs.param[0] = MBOX_SET_TAG_AGE_LIMIT;
734 mbs.param[1] = sdp_chan0->isp_tag_aging;
735 mbs.param[2] = sdp_chan1->isp_tag_aging;
736 isp_mboxcmd(isp, &mbs);
737 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
738 PRINTF("%s: failed to set tag age limit (%d,%d)\n",
739 isp->isp_name, sdp_chan0->isp_tag_aging,
740 sdp_chan1->isp_tag_aging);
741 return;
742 }
743
744 /*
745 * Set selection timeout.
746 */
747 mbs.param[0] = MBOX_SET_SELECT_TIMEOUT;
748 mbs.param[1] = sdp_chan0->isp_selection_timeout;
749 mbs.param[2] = sdp_chan1->isp_selection_timeout;
750 isp_mboxcmd(isp, &mbs);
751 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
752 PRINTF("%s: failed to set selection timeout\n", isp->isp_name);
753 return;
754 }
755
756 /* now do per-channel settings */
757 isp_scsi_channel_init(isp, 0);
758 if (IS_DUALBUS(isp))
759 isp_scsi_channel_init(isp, 1);
760
761 /*
762 * Now enable request/response queues
763 */
764
765 mbs.param[0] = MBOX_INIT_RES_QUEUE;
766 mbs.param[1] = RESULT_QUEUE_LEN;
767 mbs.param[2] = DMA_MSW(isp->isp_result_dma);
768 mbs.param[3] = DMA_LSW(isp->isp_result_dma);
769 mbs.param[4] = 0;
770 mbs.param[5] = 0;
771 isp_mboxcmd(isp, &mbs);
772 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
773 PRINTF("%s: set of response queue failed\n", isp->isp_name);
774 return;
775 }
776 isp->isp_residx = 0;
777
778 mbs.param[0] = MBOX_INIT_REQ_QUEUE;
779 mbs.param[1] = RQUEST_QUEUE_LEN;
780 mbs.param[2] = DMA_MSW(isp->isp_rquest_dma);
781 mbs.param[3] = DMA_LSW(isp->isp_rquest_dma);
782 mbs.param[4] = 0;
783 mbs.param[5] = 0;
784 isp_mboxcmd(isp, &mbs);
785 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
786 PRINTF("%s: set of request queue failed\n", isp->isp_name);
787 return;
788 }
789 isp->isp_reqidx = isp->isp_reqodx = 0;
790
791 /*
792 * Turn on Fast Posting, LVD transitions
793 */
794
795 if (IS_ULTRA2(isp) ||
796 ISP_FW_REVX(isp->isp_fwrev) >= ISP_FW_REV(7, 55, 0)) {
797 mbs.param[0] = MBOX_SET_FW_FEATURES;
798 #ifndef ISP_NO_FASTPOST_SCSI
799 mbs.param[1] |= FW_FEATURE_FAST_POST;
800 #else
801 mbs.param[1] = 0;
802 #endif
803 if (IS_ULTRA2(isp))
804 mbs.param[1] |= FW_FEATURE_LVD_NOTIFY;
805 if (mbs.param[1] != 0) {
806 isp_mboxcmd(isp, &mbs);
807 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
808 PRINTF("%s: unable enable FW features\n",
809 isp->isp_name);
810 }
811 }
812 }
813
814 /*
815 * Let the outer layers decide whether to issue a SCSI bus reset.
816 */
817 isp->isp_state = ISP_INITSTATE;
818 }
819
820 static void
821 isp_scsi_channel_init(isp, channel)
822 struct ispsoftc *isp;
823 int channel;
824 {
825 sdparam *sdp;
826 mbreg_t mbs;
827 int tgt;
828
829 sdp = isp->isp_param;
830 sdp += channel;
831
832 /*
833 * Set (possibly new) Initiator ID.
834 */
835 mbs.param[0] = MBOX_SET_INIT_SCSI_ID;
836 mbs.param[1] = (channel << 7) | sdp->isp_initiator_id;
837 isp_mboxcmd(isp, &mbs);
838 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
839 PRINTF("%s: cannot set initiator id on bus %d to %d\n",
840 isp->isp_name, channel, sdp->isp_initiator_id);
841 return;
842 }
843
844 /*
845 * Set current per-target parameters to a safe minimum.
846 */
847 for (tgt = 0; tgt < MAX_TARGETS; tgt++) {
848 int maxlun, lun;
849 u_int16_t sdf;
850
851 if (sdp->isp_devparam[tgt].dev_enable == 0) {
852 IDPRINTF(1, ("%s: skipping target %d bus %d settings\n",
853 isp->isp_name, tgt, channel));
854 continue;
855 }
856
857 /*
858 * If we're in LVD mode, then we pretty much should
859 * only disable tagged queuing.
860 */
861 if (IS_ULTRA2(isp) && sdp->isp_lvdmode) {
862 sdf = DPARM_DEFAULT & ~DPARM_TQING;
863 } else {
864 sdf = DPARM_SAFE_DFLT;
865 /*
866 * It is not quite clear when this changed over so that
867 * we could force narrow and async, so assume >= 7.55.
868 */
869 if (ISP_FW_REVX(isp->isp_fwrev) >=
870 ISP_FW_REV(7, 55, 0)) {
871 sdf |= DPARM_NARROW | DPARM_ASYNC;
872 }
873 }
874 mbs.param[0] = MBOX_SET_TARGET_PARAMS;
875 mbs.param[1] = (tgt << 8) | (channel << 15);
876 mbs.param[2] = sdf;
877 mbs.param[3] =
878 (sdp->isp_devparam[tgt].sync_offset << 8) |
879 (sdp->isp_devparam[tgt].sync_period);
880 isp_mboxcmd(isp, &mbs);
881 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
882 sdf = DPARM_SAFE_DFLT;
883 mbs.param[0] = MBOX_SET_TARGET_PARAMS;
884 mbs.param[1] = (tgt << 8) | (channel << 15);
885 mbs.param[2] = sdf;
886 mbs.param[3] =
887 (sdp->isp_devparam[tgt].sync_offset << 8) |
888 (sdp->isp_devparam[tgt].sync_period);
889 isp_mboxcmd(isp, &mbs);
890 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
891 PRINTF("%s: failed even to set defaults for "
892 "target %d\n", isp->isp_name, tgt);
893 continue;
894 }
895 }
896
897 #if 0
898 /*
899 * We don't update dev_flags with what we've set
900 * because that's not the ultimate goal setting.
901 * If we succeed with the command, we *do* update
902 * cur_dflags by getting target parameters.
903 */
904 mbs.param[0] = MBOX_GET_TARGET_PARAMS;
905 mbs.param[1] = (tgt << 8) | (channel << 15);
906 isp_mboxcmd(isp, &mbs);
907 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
908 /*
909 * Urrr.... We'll set cur_dflags to DPARM_SAFE_DFLT so
910 * we don't try and do tags if tags aren't enabled.
911 */
912 sdp->isp_devparam[tgt].cur_dflags = DPARM_SAFE_DFLT;
913 } else {
914 sdp->isp_devparam[tgt].cur_dflags = mbs.param[2];
915 sdp->isp_devparam[tgt].cur_offset = mbs.param[3] >> 8;
916 sdp->isp_devparam[tgt].cur_period = mbs.param[3] & 0xff;
917 }
918 IDPRINTF(3, ("%s: set flags 0x%x got 0x%x back for target %d\n",
919 isp->isp_name, sdf, mbs.param[2], tgt));
920 #else
921 /*
922 * We don't update any information because we need to run
923 * at least one command per target to cause a new state
924 * to be latched.
925 */
926 #endif
927 /*
928 * Ensure that we don't believe tagged queuing is enabled yet.
929 * It turns out that sometimes the ISP just ignores our
930 * attempts to set parameters for devices that it hasn't
931 * seen yet.
932 */
933 sdp->isp_devparam[tgt].cur_dflags &= ~DPARM_TQING;
934 if (ISP_FW_REVX(isp->isp_fwrev) >= ISP_FW_REV(7, 55, 0))
935 maxlun = 32;
936 else
937 maxlun = 8;
938 for (lun = 0; lun < maxlun; lun++) {
939 mbs.param[0] = MBOX_SET_DEV_QUEUE_PARAMS;
940 mbs.param[1] = (channel << 15) | (tgt << 8) | lun;
941 mbs.param[2] = sdp->isp_max_queue_depth;
942 mbs.param[3] = sdp->isp_devparam[tgt].exc_throttle;
943 isp_mboxcmd(isp, &mbs);
944 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
945 PRINTF("%s: failed to set device queue "
946 "parameters for target %d, lun %d\n",
947 isp->isp_name, tgt, lun);
948 break;
949 }
950 }
951 }
952 }
953
954 /*
955 * Fibre Channel specific initialization.
956 *
957 * Locks are held before coming here.
958 */
959 static void
960 isp_fibre_init(isp)
961 struct ispsoftc *isp;
962 {
963 fcparam *fcp;
964 isp_icb_t *icbp;
965 mbreg_t mbs;
966 int loopid;
967
968 fcp = isp->isp_param;
969
970 /*
971 * For systems that don't have BIOS methods for which
972 * we can easily change the NVRAM based loopid, we'll
973 * override that here. Note that when we initialize
974 * the firmware we may get back a different loopid than
975 * we asked for anyway. XXX This is probably not the
976 * best way to figure this out XXX
977 */
978 #ifndef __i386__
979 loopid = DEFAULT_LOOPID(isp);
980 #else
981 loopid = fcp->isp_loopid;
982 #endif
983
984 icbp = (isp_icb_t *) fcp->isp_scratch;
985 MEMZERO(icbp, sizeof (*icbp));
986
987 icbp->icb_version = ICB_VERSION1;
988 #ifdef ISP_TARGET_MODE
989 fcp->isp_fwoptions = ICBOPT_TGT_ENABLE;
990 #else
991 fcp->isp_fwoptions = 0;
992 #endif
993
994 fcp->isp_fwoptions |= ICBOPT_FAIRNESS;
995 /*
996 * If this is a 2100 < revision 5, we have to turn off FAIRNESS.
997 */
998 if ((isp->isp_type == ISP_HA_FC_2100) && isp->isp_revision < 5) {
999 fcp->isp_fwoptions &= ~ICBOPT_FAIRNESS;
1000 }
1001 fcp->isp_fwoptions |= ICBOPT_PDBCHANGE_AE;
1002 fcp->isp_fwoptions |= ICBOPT_HARD_ADDRESS;
1003 /*
1004 * We have to use FULL LOGIN even though it resets the loop too much
1005 * because otherwise port database entries don't get updated after
1006 * a LIP- this is a known f/w bug.
1007 */
1008 if (ISP_FW_REVX(isp->isp_fwrev) < ISP_FW_REV(1, 17, 0)) {
1009 fcp->isp_fwoptions |= ICBOPT_FULL_LOGIN;
1010 }
1011 #ifndef ISP_NO_FASTPOST_FC
1012 fcp->isp_fwoptions |= ICBOPT_FAST_POST;
1013 #endif
1014 if (isp->isp_confopts & ISP_CFG_FULL_DUPLEX)
1015 fcp->isp_fwoptions |= ICBOPT_FULL_DUPLEX;
1016
1017 /*
1018 * We don't set ICBOPT_PORTNAME because we want our
1019 * Node Name && Port Names to be distinct.
1020 */
1021
1022 icbp->icb_fwoptions = fcp->isp_fwoptions;
1023 icbp->icb_maxfrmlen = fcp->isp_maxfrmlen;
1024 if (icbp->icb_maxfrmlen < ICB_MIN_FRMLEN ||
1025 icbp->icb_maxfrmlen > ICB_MAX_FRMLEN) {
1026 PRINTF("%s: bad frame length (%d) from NVRAM- using %d\n",
1027 isp->isp_name, fcp->isp_maxfrmlen, ICB_DFLT_FRMLEN);
1028 icbp->icb_maxfrmlen = ICB_DFLT_FRMLEN;
1029 }
1030 icbp->icb_maxalloc = fcp->isp_maxalloc;
1031 if (icbp->icb_maxalloc < 1) {
1032 PRINTF("%s: bad maximum allocation (%d)- using 16\n",
1033 isp->isp_name, fcp->isp_maxalloc);
1034 icbp->icb_maxalloc = 16;
1035 }
1036 icbp->icb_execthrottle = fcp->isp_execthrottle;
1037 if (icbp->icb_execthrottle < 1) {
1038 PRINTF("%s: bad execution throttle of %d- using 16\n",
1039 isp->isp_name, fcp->isp_execthrottle);
1040 icbp->icb_execthrottle = ICB_DFLT_THROTTLE;
1041 }
1042 icbp->icb_retry_delay = fcp->isp_retry_delay;
1043 icbp->icb_retry_count = fcp->isp_retry_count;
1044 icbp->icb_hardaddr = loopid;
1045 icbp->icb_logintime = 30; /* 30 second login timeout */
1046
1047 if (fcp->isp_nodewwn) {
1048 u_int64_t pn;
1049 MAKE_NODE_NAME_FROM_WWN(icbp->icb_nodename, fcp->isp_nodewwn);
1050 if (fcp->isp_portwwn) {
1051 pn = fcp->isp_portwwn;
1052 } else {
1053 pn = fcp->isp_nodewwn |
1054 (((u_int64_t)(isp->isp_unit+1)) << 56);
1055 }
1056 /*
1057 * If the top nibble is 2, we can construct a port name
1058 * from the node name by setting a nonzero instance in
1059 * bits 56..59. Otherwise, we need to make it identical
1060 * to Node name...
1061 */
1062 if ((fcp->isp_nodewwn >> 60) == 2) {
1063 MAKE_NODE_NAME_FROM_WWN(icbp->icb_portname, pn);
1064 } else {
1065 MAKE_NODE_NAME_FROM_WWN(icbp->icb_portname,
1066 fcp->isp_nodewwn);
1067 }
1068 } else {
1069 fcp->isp_fwoptions &= ~(ICBOPT_USE_PORTNAME|ICBOPT_FULL_LOGIN);
1070 }
1071 icbp->icb_rqstqlen = RQUEST_QUEUE_LEN;
1072 icbp->icb_rsltqlen = RESULT_QUEUE_LEN;
1073 icbp->icb_rqstaddr[RQRSP_ADDR0015] = DMA_LSW(isp->isp_rquest_dma);
1074 icbp->icb_rqstaddr[RQRSP_ADDR1631] = DMA_MSW(isp->isp_rquest_dma);
1075 icbp->icb_respaddr[RQRSP_ADDR0015] = DMA_LSW(isp->isp_result_dma);
1076 icbp->icb_respaddr[RQRSP_ADDR1631] = DMA_MSW(isp->isp_result_dma);
1077 ISP_SWIZZLE_ICB(isp, icbp);
1078
1079 /*
1080 * Do this *before* initializing the firmware.
1081 */
1082 isp_mark_getpdb_all(isp);
1083 fcp->isp_fwstate = FW_CONFIG_WAIT;
1084 fcp->isp_loopstate = LOOP_NIL;
1085
1086 MemoryBarrier();
1087 for (;;) {
1088 mbs.param[0] = MBOX_INIT_FIRMWARE;
1089 mbs.param[1] = 0;
1090 mbs.param[2] = DMA_MSW(fcp->isp_scdma);
1091 mbs.param[3] = DMA_LSW(fcp->isp_scdma);
1092 mbs.param[4] = 0;
1093 mbs.param[5] = 0;
1094 mbs.param[6] = 0;
1095 mbs.param[7] = 0;
1096 isp_mboxcmd(isp, &mbs);
1097 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
1098 PRINTF("%s: INIT FIRMWARE failed (code 0x%x)\n",
1099 isp->isp_name, mbs.param[0]);
1100 if (mbs.param[0] & 0x8000) {
1101 SYS_DELAY(1000);
1102 continue;
1103 }
1104 return;
1105 }
1106 break;
1107 }
1108
1109 isp->isp_reqidx = isp->isp_reqodx = 0;
1110 isp->isp_residx = 0;
1111 isp->isp_sendmarker = 1;
1112
1113 /*
1114 * Whatever happens, we're now committed to being here.
1115 */
1116 isp->isp_state = ISP_INITSTATE;
1117 }
1118
1119 /*
1120 * Fibre Channel Support- get the port database for the id.
1121 *
1122 * Locks are held before coming here. Return 0 if success,
1123 * else failure.
1124 */
1125
1126 static void
1127 isp_mark_getpdb_all(isp)
1128 struct ispsoftc *isp;
1129 {
1130 fcparam *fcp = (fcparam *) isp->isp_param;
1131 int i;
1132 for (i = 0; i < MAX_FC_TARG; i++) {
1133 fcp->portdb[i].valid = 0;
1134 }
1135 }
1136
1137 static int
1138 isp_getpdb(isp, id, pdbp)
1139 struct ispsoftc *isp;
1140 int id;
1141 isp_pdb_t *pdbp;
1142 {
1143 fcparam *fcp = (fcparam *) isp->isp_param;
1144 mbreg_t mbs;
1145
1146 mbs.param[0] = MBOX_GET_PORT_DB;
1147 mbs.param[1] = id << 8;
1148 mbs.param[2] = DMA_MSW(fcp->isp_scdma);
1149 mbs.param[3] = DMA_LSW(fcp->isp_scdma);
1150 /*
1151 * Unneeded. For the 2100, except for initializing f/w, registers
1152 * 4/5 have to not be written to.
1153 * mbs.param[4] = 0;
1154 * mbs.param[5] = 0;
1155 *
1156 */
1157 mbs.param[6] = 0;
1158 mbs.param[7] = 0;
1159 isp_mboxcmd(isp, &mbs);
1160 switch (mbs.param[0]) {
1161 case MBOX_COMMAND_COMPLETE:
1162 MemoryBarrier();
1163 ISP_UNSWIZZLE_AND_COPY_PDBP(isp, pdbp, fcp->isp_scratch);
1164 break;
1165 case MBOX_HOST_INTERFACE_ERROR:
1166 PRINTF("%s: DMA error getting port database\n", isp->isp_name);
1167 return (-1);
1168 case MBOX_COMMAND_PARAM_ERROR:
1169 /* Not Logged In */
1170 IDPRINTF(3, ("%s: Param Error on Get Port Database for id %d\n",
1171 isp->isp_name, id));
1172 return (-1);
1173 default:
1174 PRINTF("%s: error 0x%x getting port database for ID %d\n",
1175 isp->isp_name, mbs.param[0], id);
1176 return (-1);
1177 }
1178 return (0);
1179 }
1180
1181 static u_int64_t
1182 isp_get_portname(isp, loopid, nodename)
1183 struct ispsoftc *isp;
1184 int loopid;
1185 int nodename;
1186 {
1187 u_int64_t wwn = 0;
1188 mbreg_t mbs;
1189
1190 mbs.param[0] = MBOX_GET_PORT_NAME;
1191 mbs.param[1] = loopid << 8;
1192 if (nodename)
1193 mbs.param[1] |= 1;
1194 isp_mboxcmd(isp, &mbs);
1195 if (mbs.param[0] == MBOX_COMMAND_COMPLETE) {
1196 wwn =
1197 (((u_int64_t)(mbs.param[2] & 0xff)) << 56) |
1198 (((u_int64_t)(mbs.param[2] >> 8)) << 48) |
1199 (((u_int64_t)(mbs.param[3] & 0xff)) << 40) |
1200 (((u_int64_t)(mbs.param[3] >> 8)) << 32) |
1201 (((u_int64_t)(mbs.param[6] & 0xff)) << 24) |
1202 (((u_int64_t)(mbs.param[6] >> 8)) << 16) |
1203 (((u_int64_t)(mbs.param[7] & 0xff)) << 8) |
1204 (((u_int64_t)(mbs.param[7] >> 8)));
1205 }
1206 return (wwn);
1207 }
1208
1209 /*
1210 * Make sure we have good FC link and know our Loop ID.
1211 */
1212
1213 static int
1214 isp_fclink_test(isp, waitdelay)
1215 struct ispsoftc *isp;
1216 int waitdelay;
1217 {
1218 static char *toponames[] = {
1219 "Private Loop",
1220 "FL Port",
1221 "N-Port to N-Port",
1222 "F Port"
1223 };
1224 char *tname;
1225 mbreg_t mbs;
1226 int count, topo = -1;
1227 u_int8_t lwfs;
1228 fcparam *fcp;
1229 #if defined(ISP2100_FABRIC)
1230 isp_pdb_t pdb;
1231 #endif
1232 fcp = isp->isp_param;
1233
1234 /*
1235 * Wait up to N microseconds for F/W to go to a ready state.
1236 */
1237 lwfs = FW_CONFIG_WAIT;
1238 for (count = 0; count < waitdelay; count += 100) {
1239 isp_fw_state(isp);
1240 if (lwfs != fcp->isp_fwstate) {
1241 PRINTF("%s: Firmware State %s -> %s\n",
1242 isp->isp_name, isp2100_fw_statename((int)lwfs),
1243 isp2100_fw_statename((int)fcp->isp_fwstate));
1244 lwfs = fcp->isp_fwstate;
1245 }
1246 if (fcp->isp_fwstate == FW_READY) {
1247 break;
1248 }
1249 SYS_DELAY(100); /* wait 100 microseconds */
1250 }
1251
1252 /*
1253 * If we haven't gone to 'ready' state, return.
1254 */
1255 if (fcp->isp_fwstate != FW_READY) {
1256 return (-1);
1257 }
1258
1259 /*
1260 * Get our Loop ID (if possible). We really need to have it.
1261 */
1262 mbs.param[0] = MBOX_GET_LOOP_ID;
1263 isp_mboxcmd(isp, &mbs);
1264 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
1265 PRINTF("%s: GET LOOP ID failed\n", isp->isp_name);
1266 return (-1);
1267 }
1268 fcp->isp_loopid = mbs.param[1];
1269 if (isp->isp_type == ISP_HA_FC_2200) {
1270 if (ISP_FW_REVX(isp->isp_fwrev) >= ISP_FW_REV(2, 0, 14)) {
1271 topo = (int) mbs.param[6];
1272 }
1273 } else if (isp->isp_type == ISP_HA_FC_2100) {
1274 if (ISP_FW_REVX(isp->isp_fwrev) >= ISP_FW_REV(1, 17, 26)) {
1275 topo = (int) mbs.param[6];
1276 }
1277 }
1278 if (topo < 0 || topo > 3)
1279 tname = "unknown";
1280 else
1281 tname = toponames[topo];
1282
1283 /*
1284 * If we're not on a fabric, the low 8 bits will be our AL_PA.
1285 * If we're on a fabric, the low 8 bits will still be our AL_PA.
1286 */
1287 fcp->isp_alpa = mbs.param[2];
1288 #if defined(ISP2100_FABRIC)
1289 fcp->isp_onfabric = 0;
1290 if (isp_getpdb(isp, FL_PORT_ID, &pdb) == 0) {
1291 fcp->isp_portid = mbs.param[2] | (((int)mbs.param[3]) << 16);
1292 fcp->isp_onfabric = 1;
1293 CFGPRINTF("%s: Loop ID %d, AL_PA 0x%x, Port ID 0x%x Loop State "
1294 "0x%x topology %s\n", isp->isp_name, fcp->isp_loopid,
1295 fcp->isp_alpa, fcp->isp_portid, fcp->isp_loopstate, tname);
1296
1297 /*
1298 * Make sure we're logged out of all fabric devices.
1299 */
1300 for (count = FC_SNS_ID+1; count < MAX_FC_TARG; count++) {
1301 struct lportdb *lp = &fcp->portdb[count];
1302 if (lp->valid == 0 || lp->fabdev == 0)
1303 continue;
1304 PRINTF("%s: logging out target %d at Loop ID %d "
1305 "(port id 0x%x)\n", isp->isp_name, count,
1306 lp->loopid, lp->portid);
1307 mbs.param[0] = MBOX_FABRIC_LOGOUT;
1308 mbs.param[1] = lp->loopid << 8;
1309 mbs.param[2] = 0;
1310 mbs.param[3] = 0;
1311 isp_mboxcmd(isp, &mbs);
1312 }
1313 } else
1314 #endif
1315 CFGPRINTF("%s: Loop ID %d, ALPA 0x%x Loop State 0x%x topology %s\n",
1316 isp->isp_name, fcp->isp_loopid, fcp->isp_alpa, fcp->isp_loopstate,
1317 tname);
1318 fcp->loop_seen_once = 1;
1319 return (0);
1320 }
1321
1322 /*
1323 * Compare two local port db entities and return 1 if they're the same, else 0.
1324 */
1325
1326 static int
1327 isp_same_lportdb(a, b)
1328 struct lportdb *a, *b;
1329 {
1330 /*
1331 * We decide two lports are the same if they have non-zero and
1332 * identical port WWNs and identical loop IDs.
1333 */
1334
1335 if (a->port_wwn == 0 || a->port_wwn != b->port_wwn ||
1336 a->loopid != b->loopid) {
1337 return (0);
1338 } else {
1339 return (1);
1340 }
1341 }
1342
1343 /*
1344 * Synchronize our soft copy of the port database with what the f/w thinks
1345 * (with a view toward possibly for a specific target....)
1346 */
1347
1348 static int
1349 isp_pdb_sync(isp, target)
1350 struct ispsoftc *isp;
1351 int target;
1352 {
1353 struct lportdb *lp, *tport;
1354 fcparam *fcp = isp->isp_param;
1355 isp_pdb_t pdb;
1356 int loopid, lim;
1357
1358 #ifdef ISP2100_FABRIC
1359 /*
1360 * XXX: If we do this *after* building up our local port database,
1361 * XXX: the commands simply don't work.
1362 */
1363 /*
1364 * (Re)discover all fabric devices
1365 */
1366 if (fcp->isp_onfabric)
1367 (void) isp_scan_fabric(isp);
1368 #endif
1369
1370
1371 /*
1372 * Run through the local loop ports and get port database info
1373 * for each loop ID.
1374 *
1375 * There's a somewhat unexplained situation where the f/w passes back
1376 * the wrong database entity- if that happens, just restart (up to
1377 * FL_PORT_ID times).
1378 */
1379 tport = fcp->tport;
1380 /*
1381 * make sure the temp port database is clean...
1382 */
1383 MEMZERO((void *) tport, sizeof (tport));
1384 for (lim = loopid = 0; loopid < FL_PORT_ID; loopid++) {
1385 lp = &tport[loopid];
1386 lp->node_wwn = isp_get_portname(isp, loopid, 1);
1387 if (lp->node_wwn == 0)
1388 continue;
1389 lp->port_wwn = isp_get_portname(isp, loopid, 0);
1390 if (lp->port_wwn == 0) {
1391 lp->node_wwn = 0;
1392 continue;
1393 }
1394
1395 /*
1396 * Get an entry....
1397 */
1398 if (isp_getpdb(isp, loopid, &pdb) != 0) {
1399 continue;
1400 }
1401
1402 /*
1403 * If the returned database element doesn't match what we
1404 * asked for, restart the process entirely (up to a point...).
1405 */
1406 if (pdb.pdb_loopid != loopid) {
1407 IDPRINTF(1, ("%s: wankage (%d != %d)\n",
1408 isp->isp_name, pdb.pdb_loopid, loopid));
1409 loopid = 0;
1410 if (lim++ < FL_PORT_ID) {
1411 continue;
1412 }
1413 PRINTF("%s: giving up on synchronizing the port "
1414 "database\n", isp->isp_name);
1415 return (-1);
1416 }
1417
1418 /*
1419 * Save the pertinent info locally.
1420 */
1421 lp->node_wwn =
1422 (((u_int64_t)pdb.pdb_nodename[0]) << 56) |
1423 (((u_int64_t)pdb.pdb_nodename[1]) << 48) |
1424 (((u_int64_t)pdb.pdb_nodename[2]) << 40) |
1425 (((u_int64_t)pdb.pdb_nodename[3]) << 32) |
1426 (((u_int64_t)pdb.pdb_nodename[4]) << 24) |
1427 (((u_int64_t)pdb.pdb_nodename[5]) << 16) |
1428 (((u_int64_t)pdb.pdb_nodename[6]) << 8) |
1429 (((u_int64_t)pdb.pdb_nodename[7]));
1430 lp->port_wwn =
1431 (((u_int64_t)pdb.pdb_portname[0]) << 56) |
1432 (((u_int64_t)pdb.pdb_portname[1]) << 48) |
1433 (((u_int64_t)pdb.pdb_portname[2]) << 40) |
1434 (((u_int64_t)pdb.pdb_portname[3]) << 32) |
1435 (((u_int64_t)pdb.pdb_portname[4]) << 24) |
1436 (((u_int64_t)pdb.pdb_portname[5]) << 16) |
1437 (((u_int64_t)pdb.pdb_portname[6]) << 8) |
1438 (((u_int64_t)pdb.pdb_portname[7]));
1439 lp->roles =
1440 (pdb.pdb_prli_svc3 & SVC3_ROLE_MASK) >> SVC3_ROLE_SHIFT;
1441 lp->portid = BITS2WORD(pdb.pdb_portid_bits);
1442 lp->loopid = pdb.pdb_loopid;
1443 /*
1444 * Do a quick check to see whether this matches the saved port
1445 * database for the same loopid. We do this here to save
1446 * searching later (if possible). Note that this fails over
1447 * time as things shuffle on the loop- we get the current
1448 * loop state (where loop id as an index matches loop id in
1449 * use) and then compare it to our saved database which
1450 * never shifts.
1451 */
1452 if (isp_same_lportdb(lp, &fcp->portdb[target])) {
1453 lp->valid = 1;
1454 }
1455 }
1456
1457 /*
1458 * If we get this far, we've settled our differences with the f/w
1459 * and we can say that the loop state is ready.
1460 */
1461 fcp->isp_loopstate = LOOP_READY;
1462
1463 /*
1464 * Mark all of the permanent local loop database entries as invalid.
1465 */
1466 for (loopid = 0; loopid < FL_PORT_ID; loopid++) {
1467 fcp->portdb[loopid].valid = 0;
1468 }
1469
1470 /*
1471 * Now merge our local copy of the port database into our saved copy.
1472 * Notify the outer layers of new devices arriving.
1473 */
1474 for (loopid = 0; loopid < FL_PORT_ID; loopid++) {
1475 int i;
1476
1477 /*
1478 * If we don't have a non-zero Port WWN, we're not here.
1479 */
1480 if (tport[loopid].port_wwn == 0) {
1481 continue;
1482 }
1483
1484 /*
1485 * If we've already marked our tmp copy as valid,
1486 * this means that we've decided that it's the
1487 * same as our saved data base. This didn't include
1488 * the 'valid' marking so we have set that here.
1489 */
1490 if (tport[loopid].valid) {
1491 fcp->portdb[loopid].valid = 1;
1492 continue;
1493 }
1494
1495 /*
1496 * For the purposes of deciding whether this is the
1497 * 'same' device or not, we only search for an identical
1498 * Port WWN. Node WWNs may or may not be the same as
1499 * the Port WWN, and there may be multiple different
1500 * Port WWNs with the same Node WWN. It would be chaos
1501 * to have multiple identical Port WWNs, so we don't
1502 * allow that.
1503 */
1504
1505 for (i = 0; i < FL_PORT_ID; i++) {
1506 int j;
1507 if (fcp->portdb[i].port_wwn == 0)
1508 continue;
1509 if (fcp->portdb[i].port_wwn != tport[loopid].port_wwn)
1510 continue;
1511 /*
1512 * We found this WWN elsewhere- it's changed
1513 * loopids then. We don't change it's actual
1514 * position in our cached port database- we
1515 * just change the actual loop ID we'd use.
1516 */
1517 if (fcp->portdb[i].loopid != loopid) {
1518 PRINTF("%s: Target ID %d Loop 0x%x (Port 0x%x) "
1519 "=> Loop 0x%x (Port 0x%x) \n",
1520 isp->isp_name, i, fcp->portdb[i].loopid,
1521 fcp->portdb[i].portid, loopid,
1522 tport[loopid].portid);
1523 }
1524 fcp->portdb[i].portid = tport[loopid].portid;
1525 fcp->portdb[i].loopid = loopid;
1526 fcp->portdb[i].valid = 1;
1527 /*
1528 * XXX: Should we also propagate roles in case they
1529 * XXX: changed?
1530 */
1531
1532 /*
1533 * Now make sure this Port WWN doesn't exist elsewhere
1534 * in the port database.
1535 */
1536 for (j = i+1; j < FL_PORT_ID; j++) {
1537 if (fcp->portdb[i].port_wwn !=
1538 fcp->portdb[j].port_wwn) {
1539 continue;
1540 }
1541 PRINTF("%s: Target ID %d Duplicates Target ID "
1542 "%d- killing off both\n",
1543 isp->isp_name, j, i);
1544 /*
1545 * Invalidate the 'old' *and* 'new' ones.
1546 * This is really harsh and not quite right,
1547 * but if this happens, we really don't know
1548 * who is what at this point.
1549 */
1550 fcp->portdb[i].valid = 0;
1551 fcp->portdb[j].valid = 0;
1552 }
1553 break;
1554 }
1555
1556 /*
1557 * If we didn't traverse the entire port database,
1558 * then we found (and remapped) an existing entry.
1559 * No need to notify anyone- go for the next one.
1560 */
1561 if (i < FL_PORT_ID) {
1562 continue;
1563 }
1564
1565 /*
1566 * We've not found this Port WWN anywhere. It's a new entry.
1567 * See if we can leave it where it is (with target == loopid).
1568 */
1569 if (fcp->portdb[loopid].port_wwn != 0) {
1570 for (lim = 0; lim < FL_PORT_ID; lim++) {
1571 if (fcp->portdb[lim].port_wwn == 0)
1572 break;
1573 }
1574 /* "Cannot Happen" */
1575 if (lim == FL_PORT_ID) {
1576 PRINTF("%s: remap overflow?\n", isp->isp_name);
1577 continue;
1578 }
1579 i = lim;
1580 } else {
1581 i = loopid;
1582 }
1583
1584 /*
1585 * NB: The actual loopid we use here is loopid- we may
1586 * in fact be at a completely different index (target).
1587 */
1588 fcp->portdb[i].loopid = loopid;
1589 fcp->portdb[i].port_wwn = tport[loopid].port_wwn;
1590 fcp->portdb[i].node_wwn = tport[loopid].node_wwn;
1591 fcp->portdb[i].roles = tport[loopid].roles;
1592 fcp->portdb[i].portid = tport[loopid].portid;
1593 fcp->portdb[i].valid = 1;
1594
1595 /*
1596 * Tell the outside world we've arrived.
1597 */
1598 (void) isp_async(isp, ISPASYNC_PDB_CHANGED, &i);
1599 }
1600
1601 /*
1602 * Now find all previously used targets that are now invalid and
1603 * notify the outer layers that they're gone.
1604 */
1605 for (lp = fcp->portdb; lp < &fcp->portdb[FL_PORT_ID]; lp++) {
1606 if (lp->valid || lp->port_wwn == 0)
1607 continue;
1608
1609 /*
1610 * Tell the outside world we've gone away.
1611 */
1612 loopid = lp - fcp->portdb;
1613 (void) isp_async(isp, ISPASYNC_PDB_CHANGED, &loopid);
1614 MEMZERO((void *) lp, sizeof (*lp));
1615 }
1616
1617 #ifdef ISP2100_FABRIC
1618 /*
1619 * Now log in any fabric devices
1620 */
1621 for (lp = &fcp->portdb[FC_SNS_ID+1];
1622 lp < &fcp->portdb[MAX_FC_TARG]; lp++) {
1623 mbreg_t mbs;
1624
1625 /*
1626 * Nothing here?
1627 */
1628 if (lp->port_wwn == 0)
1629 continue;
1630 /*
1631 * Don't try to log into yourself.
1632 */
1633 if (lp->portid == fcp->isp_portid)
1634 continue;
1635
1636 /*
1637 * Force a logout.
1638 */
1639 lp->loopid = loopid = lp - fcp->portdb;
1640 mbs.param[0] = MBOX_FABRIC_LOGOUT;
1641 mbs.param[1] = lp->loopid << 8;
1642 mbs.param[2] = 0;
1643 mbs.param[3] = 0;
1644 isp_mboxcmd(isp, &mbs);
1645
1646 /*
1647 * And log in....
1648 */
1649 mbs.param[0] = MBOX_FABRIC_LOGIN;
1650 mbs.param[1] = lp->loopid << 8;
1651 mbs.param[2] = lp->portid >> 16;
1652 mbs.param[3] = lp->portid & 0xffff;
1653 isp_mboxcmd(isp, &mbs);
1654 switch (mbs.param[0]) {
1655 case MBOX_COMMAND_COMPLETE:
1656 break;
1657 case MBOX_COMMAND_ERROR:
1658 switch (mbs.param[1]) {
1659 case 1:
1660 PRINTF("%s: no loop\n", isp->isp_name);
1661 break;
1662 case 2:
1663 PRINTF("%s: IOCB buffer could not be alloced\n",
1664 isp->isp_name);
1665 break;
1666 case 3:
1667 PRINTF("%s: could not alloc xchange resource\n",
1668 isp->isp_name);
1669 break;
1670 case 4:
1671 PRINTF("%s: ELS timeout\n", isp->isp_name);
1672 break;
1673 case 5:
1674 PRINTF("%s: no fabric port\n", isp->isp_name);
1675 break;
1676 case 6:
1677 PRINTF("%s: remote device cannot be a target\n",
1678 isp->isp_name);
1679 break;
1680 default:
1681 break;
1682 }
1683 continue;
1684 default:
1685 continue;
1686 }
1687
1688 lp->valid = 1;
1689 lp->fabdev = 1;
1690 if (isp_getpdb(isp, loopid, &pdb) != 0) {
1691 /*
1692 * Be kind...
1693 */
1694 lp->roles = (SVC3_TGT_ROLE >> SVC3_ROLE_SHIFT);
1695 PRINTF("%s: Faked PortID 0x%x into LoopID %d\n",
1696 isp->isp_name, lp->portid, lp->loopid);
1697 continue;
1698 }
1699 if (pdb.pdb_loopid != lp->loopid) {
1700 lp->roles = (SVC3_TGT_ROLE >> SVC3_ROLE_SHIFT);
1701 PRINTF("%s: Wanked PortID 0x%x to LoopID %d\n",
1702 isp->isp_name, lp->portid, lp->loopid);
1703 continue;
1704 }
1705 lp->roles =
1706 (pdb.pdb_prli_svc3 & SVC3_ROLE_MASK) >> SVC3_ROLE_SHIFT;
1707 lp->portid = BITS2WORD(pdb.pdb_portid_bits);
1708 lp->loopid = loopid;
1709 lp->node_wwn =
1710 (((u_int64_t)pdb.pdb_nodename[0]) << 56) |
1711 (((u_int64_t)pdb.pdb_nodename[1]) << 48) |
1712 (((u_int64_t)pdb.pdb_nodename[2]) << 40) |
1713 (((u_int64_t)pdb.pdb_nodename[3]) << 32) |
1714 (((u_int64_t)pdb.pdb_nodename[4]) << 24) |
1715 (((u_int64_t)pdb.pdb_nodename[5]) << 16) |
1716 (((u_int64_t)pdb.pdb_nodename[6]) << 8) |
1717 (((u_int64_t)pdb.pdb_nodename[7]));
1718 lp->port_wwn =
1719 (((u_int64_t)pdb.pdb_portname[0]) << 56) |
1720 (((u_int64_t)pdb.pdb_portname[1]) << 48) |
1721 (((u_int64_t)pdb.pdb_portname[2]) << 40) |
1722 (((u_int64_t)pdb.pdb_portname[3]) << 32) |
1723 (((u_int64_t)pdb.pdb_portname[4]) << 24) |
1724 (((u_int64_t)pdb.pdb_portname[5]) << 16) |
1725 (((u_int64_t)pdb.pdb_portname[6]) << 8) |
1726 (((u_int64_t)pdb.pdb_portname[7]));
1727 /*
1728 * Check to make sure this all makes sense.
1729 */
1730 if (lp->node_wwn && lp->port_wwn) {
1731 (void) isp_async(isp, ISPASYNC_PDB_CHANGED, &loopid);
1732 continue;
1733 }
1734 lp->fabdev = lp->valid = 0;
1735 PRINTF("%s: Target %d (Loop 0x%x) Port ID 0x%x lost its WWN\n",
1736 isp->isp_name, loopid, lp->loopid, lp->portid);
1737 mbs.param[0] = MBOX_FABRIC_LOGOUT;
1738 mbs.param[1] = lp->loopid << 8;
1739 mbs.param[2] = 0;
1740 mbs.param[3] = 0;
1741 isp_mboxcmd(isp, &mbs);
1742 }
1743 #endif
1744 return (0);
1745 }
1746
1747 #ifdef ISP2100_FABRIC
1748 static int
1749 isp_scan_fabric(isp)
1750 struct ispsoftc *isp;
1751 {
1752 fcparam *fcp = isp->isp_param;
1753 u_int32_t portid, first_nz_portid;
1754 sns_screq_t *reqp;
1755 sns_scrsp_t *resp;
1756 mbreg_t mbs;
1757 int hicap;
1758
1759 reqp = (sns_screq_t *) fcp->isp_scratch;
1760 resp = (sns_scrsp_t *) (&((char *)fcp->isp_scratch)[0x100]);
1761 first_nz_portid = portid = fcp->isp_portid;
1762
1763 for (hicap = 0; hicap < 1024; hicap++) {
1764 MEMZERO((void *) reqp, SNS_GAN_REQ_SIZE);
1765 reqp->snscb_rblen = SNS_GAN_RESP_SIZE >> 1;
1766 reqp->snscb_addr[RQRSP_ADDR0015] =
1767 DMA_LSW(fcp->isp_scdma + 0x100);
1768 reqp->snscb_addr[RQRSP_ADDR1631] =
1769 DMA_MSW(fcp->isp_scdma + 0x100);
1770 reqp->snscb_sblen = 6;
1771 reqp->snscb_data[0] = SNS_GAN;
1772 reqp->snscb_data[4] = portid & 0xffff;
1773 reqp->snscb_data[5] = (portid >> 16) & 0xff;
1774 ISP_SWIZZLE_SNS_REQ(isp, reqp);
1775 mbs.param[0] = MBOX_SEND_SNS;
1776 mbs.param[1] = SNS_GAN_REQ_SIZE >> 1;
1777 mbs.param[2] = DMA_MSW(fcp->isp_scdma);
1778 mbs.param[3] = DMA_LSW(fcp->isp_scdma);
1779 mbs.param[6] = 0;
1780 mbs.param[7] = 0;
1781 MemoryBarrier();
1782 isp_mboxcmd(isp, &mbs);
1783 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
1784 return (-1);
1785 }
1786 ISP_UNSWIZZLE_SNS_RSP(isp, resp, SNS_GAN_RESP_SIZE >> 1);
1787 portid = (((u_int32_t) resp->snscb_port_id[0]) << 16) |
1788 (((u_int32_t) resp->snscb_port_id[1]) << 8) |
1789 (((u_int32_t) resp->snscb_port_id[2]));
1790 if (isp_async(isp, ISPASYNC_FABRIC_DEV, resp)) {
1791 return (-1);
1792 }
1793 if (first_nz_portid == 0 && portid) {
1794 first_nz_portid = portid;
1795 }
1796 if (first_nz_portid == portid) {
1797 return (0);
1798 }
1799 }
1800 /*
1801 * We either have a broken name server or a huge fabric if we get here.
1802 */
1803 return (0);
1804 }
1805 #endif
1806 /*
1807 * Start a command. Locking is assumed done in the caller.
1808 */
1809
1810 int32_t
1811 ispscsicmd(xs)
1812 ISP_SCSI_XFER_T *xs;
1813 {
1814 struct ispsoftc *isp;
1815 u_int16_t iptr, optr;
1816 union {
1817 ispreq_t *_reqp;
1818 ispreqt2_t *_t2reqp;
1819 } _u;
1820 #define reqp _u._reqp
1821 #define t2reqp _u._t2reqp
1822 #define UZSIZE max(sizeof (ispreq_t), sizeof (ispreqt2_t))
1823 int target, i;
1824
1825 XS_INITERR(xs);
1826 isp = XS_ISP(xs);
1827
1828 if (isp->isp_state != ISP_RUNSTATE) {
1829 PRINTF("%s: adapter not ready\n", isp->isp_name);
1830 XS_SETERR(xs, HBA_BOTCH);
1831 return (CMD_COMPLETE);
1832 }
1833
1834 /*
1835 * We *could* do the different sequence type that has close
1836 * to the whole Queue Entry for the command...
1837 */
1838
1839 if (XS_CDBLEN(xs) > (IS_FC(isp) ? 16 : 12) || XS_CDBLEN(xs) == 0) {
1840 PRINTF("%s: unsupported cdb length (%d, CDB[0]=0x%x)\n",
1841 isp->isp_name, XS_CDBLEN(xs), XS_CDBP(xs)[0]);
1842 XS_SETERR(xs, HBA_BOTCH);
1843 return (CMD_COMPLETE);
1844 }
1845
1846 /*
1847 * Check to see whether we have good firmware state still or
1848 * need to refresh our port database for this target.
1849 */
1850 target = XS_TGT(xs);
1851 if (IS_FC(isp)) {
1852 fcparam *fcp = isp->isp_param;
1853 struct lportdb *lp;
1854 #if defined(ISP2100_FABRIC)
1855 if (target >= FL_PORT_ID) {
1856 /*
1857 * If we're not on a Fabric, we can't have a target
1858 * above FL_PORT_ID-1. If we're on a fabric, we
1859 * can't have a target less than FC_SNS_ID+1.
1860 */
1861 if (fcp->isp_onfabric == 0 || target <= FC_SNS_ID) {
1862 XS_SETERR(xs, HBA_SELTIMEOUT);
1863 return (CMD_COMPLETE);
1864 }
1865 }
1866 #endif
1867 /*
1868 * Check for f/w being in ready state. If the f/w
1869 * isn't in ready state, then we don't know our
1870 * loop ID and the f/w hasn't completed logging
1871 * into all targets on the loop. If this is the
1872 * case, then bounce the command. We pretend this is
1873 * a SELECTION TIMEOUT error if we've never gone to
1874 * FW_READY state at all- in this case we may not
1875 * be hooked to a loop at all and we shouldn't hang
1876 * the machine for this. Otherwise, defer this command
1877 * until later.
1878 */
1879 if (fcp->isp_fwstate != FW_READY) {
1880 if (isp_fclink_test(isp, FC_FW_READY_DELAY)) {
1881 XS_SETERR(xs, HBA_SELTIMEOUT);
1882 if (fcp->loop_seen_once) {
1883 return (CMD_RQLATER);
1884 } else {
1885 return (CMD_COMPLETE);
1886 }
1887 }
1888 }
1889
1890 /*
1891 * If our loop state is such that we haven't yet received
1892 * a "Port Database Changed" notification (after a LIP or
1893 * a Loop Reset or firmware initialization), then defer
1894 * sending commands for a little while.
1895 */
1896 if (fcp->isp_loopstate < LOOP_PDB_RCVD) {
1897 XS_SETERR(xs, HBA_SELTIMEOUT);
1898 return (CMD_RQLATER);
1899 }
1900
1901 /*
1902 * If our loop state is now such that we've just now
1903 * received a Port Database Change notification, then
1904 * we have to go off and (re)synchronize our port
1905 * database.
1906 */
1907 if (fcp->isp_loopstate == LOOP_PDB_RCVD) {
1908 if (isp_pdb_sync(isp, target)) {
1909 XS_SETERR(xs, HBA_SELTIMEOUT);
1910 return (CMD_COMPLETE);
1911 }
1912 }
1913
1914 /*
1915 * Now check whether we should even think about pursuing this.
1916 */
1917 lp = &fcp->portdb[target];
1918 if (lp->valid == 0) {
1919 XS_SETERR(xs, HBA_SELTIMEOUT);
1920 return (CMD_COMPLETE);
1921 }
1922 if ((lp->roles & (SVC3_TGT_ROLE >> SVC3_ROLE_SHIFT)) == 0) {
1923 IDPRINTF(3, ("%s: target %d is not a target\n",
1924 isp->isp_name, target));
1925 XS_SETERR(xs, HBA_SELTIMEOUT);
1926 return (CMD_COMPLETE);
1927 }
1928 /*
1929 * Now turn target into what the actual loop ID is.
1930 */
1931 target = lp->loopid;
1932 }
1933
1934 /*
1935 * Next check to see if any HBA or Device
1936 * parameters need to be updated.
1937 */
1938 if (isp->isp_update != 0) {
1939 isp_update(isp);
1940 }
1941
1942 if (isp_getrqentry(isp, &iptr, &optr, (void **) &reqp)) {
1943 IDPRINTF(1, ("%s: Request Queue Overflow\n", isp->isp_name));
1944 XS_SETERR(xs, HBA_BOTCH);
1945 return (CMD_EAGAIN);
1946 }
1947
1948 /*
1949 * Now see if we need to synchronize the ISP with respect to anything.
1950 * We do dual duty here (cough) for synchronizing for busses other
1951 * than which we got here to send a command to.
1952 */
1953 if (isp->isp_sendmarker) {
1954 u_int8_t n = (IS_DUALBUS(isp)? 2: 1);
1955 /*
1956 * Check ports to send markers for...
1957 */
1958 for (i = 0; i < n; i++) {
1959 if ((isp->isp_sendmarker & (1 << i)) == 0) {
1960 continue;
1961 }
1962 MEMZERO((void *) reqp, sizeof (*reqp));
1963 reqp->req_header.rqs_entry_count = 1;
1964 reqp->req_header.rqs_entry_type = RQSTYPE_MARKER;
1965 reqp->req_modifier = SYNC_ALL;
1966 reqp->req_target = i << 7; /* insert bus number */
1967 ISP_SWIZZLE_REQUEST(isp, reqp);
1968 MemoryBarrier();
1969 ISP_ADD_REQUEST(isp, iptr);
1970
1971 if (isp_getrqentry(isp, &iptr, &optr, (void **)&reqp)) {
1972 IDPRINTF(1, ("%s: Request Queue Overflow+\n",
1973 isp->isp_name));
1974 XS_SETERR(xs, HBA_BOTCH);
1975 return (CMD_EAGAIN);
1976 }
1977 }
1978 }
1979
1980 MEMZERO((void *) reqp, UZSIZE);
1981 reqp->req_header.rqs_entry_count = 1;
1982 if (IS_FC(isp)) {
1983 reqp->req_header.rqs_entry_type = RQSTYPE_T2RQS;
1984 } else {
1985 reqp->req_header.rqs_entry_type = RQSTYPE_REQUEST;
1986 }
1987 reqp->req_header.rqs_flags = 0;
1988 reqp->req_header.rqs_seqno = 0;
1989 if (IS_FC(isp)) {
1990 /*
1991 * See comment in isp_intr
1992 */
1993 XS_RESID(xs) = 0;
1994
1995 /*
1996 * Fibre Channel always requires some kind of tag.
1997 * The Qlogic drivers seem be happy not to use a tag,
1998 * but this breaks for some devices (IBM drives).
1999 */
2000 if (XS_CANTAG(xs)) {
2001 t2reqp->req_flags = XS_KINDOF_TAG(xs);
2002 } else {
2003 if (XS_CDBP(xs)[0] == 0x3) /* REQUEST SENSE */
2004 t2reqp->req_flags = REQFLAG_HTAG;
2005 else
2006 t2reqp->req_flags = REQFLAG_OTAG;
2007 }
2008 } else {
2009 sdparam *sdp = (sdparam *)isp->isp_param;
2010 if ((sdp->isp_devparam[target].cur_dflags & DPARM_TQING) &&
2011 XS_CANTAG(xs)) {
2012 reqp->req_flags = XS_KINDOF_TAG(xs);
2013 }
2014 }
2015 reqp->req_target = target | (XS_CHANNEL(xs) << 7);
2016 if (IS_SCSI(isp)) {
2017 reqp->req_lun_trn = XS_LUN(xs);
2018 reqp->req_cdblen = XS_CDBLEN(xs);
2019 } else {
2020 #ifdef ISP2100_SCCLUN
2021 t2reqp->req_scclun = XS_LUN(xs);
2022 #else
2023 t2reqp->req_lun_trn = XS_LUN(xs);
2024 #endif
2025 }
2026 MEMCPY(reqp->req_cdb, XS_CDBP(xs), XS_CDBLEN(xs));
2027
2028 reqp->req_time = XS_TIME(xs) / 1000;
2029 if (reqp->req_time == 0 && XS_TIME(xs))
2030 reqp->req_time = 1;
2031
2032 /*
2033 * Always give a bit more leeway to commands after a bus reset.
2034 * XXX: DOES NOT DISTINGUISH WHICH PORT MAY HAVE BEEN SYNCED
2035 */
2036 if (isp->isp_sendmarker && reqp->req_time < 5) {
2037 reqp->req_time = 5;
2038 }
2039 if (isp_save_xs(isp, xs, &reqp->req_handle)) {
2040 IDPRINTF(2, ("%s: out of xflist pointers\n", isp->isp_name));
2041 XS_SETERR(xs, HBA_BOTCH);
2042 return (CMD_EAGAIN);
2043 }
2044 /*
2045 * Set up DMA and/or do any bus swizzling of the request entry
2046 * so that the Qlogic F/W understands what is being asked of it.
2047 */
2048 i = ISP_DMASETUP(isp, xs, reqp, &iptr, optr);
2049 if (i != CMD_QUEUED) {
2050 isp_destroy_handle(isp, reqp->req_handle);
2051 /*
2052 * dmasetup sets actual error in packet, and
2053 * return what we were given to return.
2054 */
2055 return (i);
2056 }
2057 XS_SETERR(xs, HBA_NOERROR);
2058 IDPRINTF(5, ("%s(%d.%d.%d): START cmd 0x%x datalen %d\n",
2059 isp->isp_name, XS_CHANNEL(xs), target, XS_LUN(xs),
2060 reqp->req_cdb[0], XS_XFRLEN(xs)));
2061 MemoryBarrier();
2062 ISP_ADD_REQUEST(isp, iptr);
2063 isp->isp_nactive++;
2064 if (isp->isp_sendmarker)
2065 isp->isp_sendmarker = 0;
2066 return (CMD_QUEUED);
2067 #undef reqp
2068 #undef t2reqp
2069 }
2070
2071 /*
2072 * isp control
2073 * Locks (ints blocked) assumed held.
2074 */
2075
2076 int
2077 isp_control(isp, ctl, arg)
2078 struct ispsoftc *isp;
2079 ispctl_t ctl;
2080 void *arg;
2081 {
2082 ISP_SCSI_XFER_T *xs;
2083 mbreg_t mbs;
2084 int bus, tgt;
2085 u_int32_t handle;
2086
2087 switch (ctl) {
2088 default:
2089 PRINTF("%s: isp_control unknown control op %x\n",
2090 isp->isp_name, ctl);
2091 break;
2092
2093 case ISPCTL_RESET_BUS:
2094 /*
2095 * Issue a bus reset.
2096 */
2097 mbs.param[0] = MBOX_BUS_RESET;
2098 if (IS_SCSI(isp)) {
2099 mbs.param[1] =
2100 ((sdparam *) isp->isp_param)->isp_bus_reset_delay;
2101 if (mbs.param[1] < 2)
2102 mbs.param[1] = 2;
2103 bus = *((int *) arg);
2104 mbs.param[2] = bus;
2105 } else {
2106 mbs.param[1] = 10;
2107 mbs.param[2] = 0;
2108 bus = 0;
2109 }
2110 isp->isp_sendmarker = 1 << bus;
2111 isp_mboxcmd(isp, &mbs);
2112 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
2113 isp_dumpregs(isp, "isp_control SCSI bus reset failed");
2114 break;
2115 }
2116 CFGPRINTF("%s: driver initiated bus reset of bus %d\n",
2117 isp->isp_name, bus);
2118 return (0);
2119
2120 case ISPCTL_RESET_DEV:
2121 tgt = (*((int *) arg)) & 0xffff;
2122 bus = (*((int *) arg)) >> 16;
2123 mbs.param[0] = MBOX_ABORT_TARGET;
2124 mbs.param[1] = (tgt << 8) | (bus << 15);
2125 mbs.param[2] = 3; /* 'delay', in seconds */
2126 isp_mboxcmd(isp, &mbs);
2127 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
2128 PRINTF("%s: isp_control MBOX_RESET_DEV failure (code "
2129 "%x)\n", isp->isp_name, mbs.param[0]);
2130 break;
2131 }
2132 PRINTF("%s: Target %d on Bus %d Reset Succeeded\n",
2133 isp->isp_name, tgt, bus);
2134 isp->isp_sendmarker = 1 << bus;
2135 return (0);
2136
2137 case ISPCTL_ABORT_CMD:
2138 xs = (ISP_SCSI_XFER_T *) arg;
2139 handle = isp_find_handle(isp, xs);
2140 if (handle == 0) {
2141 PRINTF("%s: isp_control- cannot find command to abort "
2142 "in active list\n", isp->isp_name);
2143 break;
2144 }
2145 bus = XS_CHANNEL(xs);
2146 mbs.param[0] = MBOX_ABORT;
2147 if (IS_FC(isp)) {
2148 #ifdef ISP2100_SCCLUN
2149 mbs.param[1] = XS_TGT(xs) << 8;
2150 mbs.param[4] = 0;
2151 mbs.param[5] = 0;
2152 mbs.param[6] = XS_LUN(xs);
2153 #else
2154 mbs.param[1] = XS_TGT(xs) << 8 | XS_LUN(xs);
2155 #endif
2156 } else {
2157 mbs.param[1] =
2158 (bus << 15) | (XS_TGT(xs) << 8) | XS_LUN(xs);
2159 }
2160 mbs.param[2] = handle >> 16;
2161 mbs.param[3] = handle & 0xffff;
2162 isp_mboxcmd(isp, &mbs);
2163 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
2164 PRINTF("%s: isp_control MBOX_ABORT failure (code %x)\n",
2165 isp->isp_name, mbs.param[0]);
2166 break;
2167 }
2168 PRINTF("%s: command for target %d lun %d was aborted\n",
2169 isp->isp_name, XS_TGT(xs), XS_LUN(xs));
2170 return (0);
2171
2172 case ISPCTL_UPDATE_PARAMS:
2173 isp_update(isp);
2174 return (0);
2175
2176 case ISPCTL_FCLINK_TEST:
2177 return (isp_fclink_test(isp, FC_FW_READY_DELAY));
2178 #ifdef ISP_TARGET_MODE
2179 case ISPCTL_ENABLE_LUN:
2180 return (isp_modify_lun, 1, arg));
2181
2182 case ISPCTL_MODIFY_LUN:
2183 return (isp_modify_lun, 0, arg));
2184 #endif
2185 }
2186 return (-1);
2187 }
2188
2189 /*
2190 * Interrupt Service Routine(s).
2191 *
2192 * External (OS) framework has done the appropriate locking,
2193 * and the locking will be held throughout this function.
2194 */
2195
2196 int
2197 isp_intr(arg)
2198 void *arg;
2199 {
2200 ISP_SCSI_XFER_T *complist[RESULT_QUEUE_LEN], *xs;
2201 struct ispsoftc *isp = arg;
2202 u_int16_t iptr, optr;
2203 u_int16_t isr, isrb, sema;
2204 int i, nlooked = 0, ndone = 0;
2205
2206 /*
2207 * Well, if we've disabled interrupts, we may get a case where
2208 * isr isn't set, but sema is. In any case, debounce isr reads.
2209 */
2210 do {
2211 isr = ISP_READ(isp, BIU_ISR);
2212 isrb = ISP_READ(isp, BIU_ISR);
2213 } while (isr != isrb);
2214 sema = ISP_READ(isp, BIU_SEMA) & 0x1;
2215 IDPRINTF(5, ("%s: isp_intr isr %x sem %x\n", isp->isp_name, isr, sema));
2216 if (isr == 0) {
2217 return (0);
2218 }
2219 if (!INT_PENDING(isp, isr)) {
2220 IDPRINTF(4, ("%s: isp_intr isr=%x\n", isp->isp_name, isr));
2221 return (0);
2222 }
2223 if (isp->isp_state != ISP_RUNSTATE) {
2224 IDPRINTF(3, ("%s: interrupt (isr=%x,sema=%x) when not ready\n",
2225 isp->isp_name, isr, sema));
2226 ISP_WRITE(isp, INMAILBOX5, ISP_READ(isp, OUTMAILBOX5));
2227 ISP_WRITE(isp, HCCR, HCCR_CMD_CLEAR_RISC_INT);
2228 ISP_WRITE(isp, BIU_SEMA, 0);
2229 ENABLE_INTS(isp);
2230 return (1);
2231 }
2232
2233 if (sema) {
2234 u_int16_t mbox = ISP_READ(isp, OUTMAILBOX0);
2235 if (mbox & 0x4000) {
2236 IDPRINTF(3, ("%s: Command Mbox 0x%x\n",
2237 isp->isp_name, mbox));
2238 } else {
2239 u_int32_t fhandle = isp_parse_async(isp, (int) mbox);
2240 IDPRINTF(3, ("%s: Async Mbox 0x%x\n",
2241 isp->isp_name, mbox));
2242 if (fhandle > 0) {
2243 isp_fastpost_complete(isp, fhandle);
2244 }
2245 }
2246 ISP_WRITE(isp, BIU_SEMA, 0);
2247 ISP_WRITE(isp, HCCR, HCCR_CMD_CLEAR_RISC_INT);
2248 ENABLE_INTS(isp);
2249 return (1);
2250 }
2251
2252 /*
2253 * You *must* read OUTMAILBOX5 prior to clearing the RISC interrupt.
2254 */
2255 optr = isp->isp_residx;
2256 iptr = ISP_READ(isp, OUTMAILBOX5);
2257 ISP_WRITE(isp, HCCR, HCCR_CMD_CLEAR_RISC_INT);
2258 if (optr == iptr) {
2259 IDPRINTF(4, ("why intr? isr %x iptr %x optr %x\n",
2260 isr, optr, iptr));
2261 }
2262
2263 while (optr != iptr) {
2264 ispstatusreq_t *sp;
2265 u_int16_t oop;
2266 int buddaboom = 0;
2267
2268 sp = (ispstatusreq_t *) ISP_QUEUE_ENTRY(isp->isp_result, optr);
2269 oop = optr;
2270 optr = ISP_NXT_QENTRY(optr, RESULT_QUEUE_LEN);
2271 nlooked++;
2272 MemoryBarrier();
2273 /*
2274 * Do any appropriate unswizzling of what the Qlogic f/w has
2275 * written into memory so it makes sense to us.
2276 */
2277 ISP_UNSWIZZLE_RESPONSE(isp, sp);
2278 if (sp->req_header.rqs_entry_type != RQSTYPE_RESPONSE) {
2279 if (isp_handle_other_response(isp, sp, &optr) == 0) {
2280 ISP_WRITE(isp, INMAILBOX5, optr);
2281 continue;
2282 }
2283 /*
2284 * It really has to be a bounced request just copied
2285 * from the request queue to the response queue. If
2286 * not, something bad has happened.
2287 */
2288 if (sp->req_header.rqs_entry_type != RQSTYPE_REQUEST) {
2289 ISP_WRITE(isp, INMAILBOX5, optr);
2290 PRINTF("%s: not RESPONSE in RESPONSE Queue "
2291 "(type 0x%x) @ idx %d (next %d)\n",
2292 isp->isp_name,
2293 sp->req_header.rqs_entry_type, oop, optr);
2294 continue;
2295 }
2296 buddaboom = 1;
2297 }
2298
2299 if (sp->req_header.rqs_flags & 0xf) {
2300 #define _RQS_OFLAGS \
2301 ~(RQSFLAG_CONTINUATION|RQSFLAG_FULL|RQSFLAG_BADHEADER|RQSFLAG_BADPACKET)
2302 if (sp->req_header.rqs_flags & RQSFLAG_CONTINUATION) {
2303 IDPRINTF(3, ("%s: continuation segment\n",
2304 isp->isp_name));
2305 ISP_WRITE(isp, INMAILBOX5, optr);
2306 continue;
2307 }
2308 if (sp->req_header.rqs_flags & RQSFLAG_FULL) {
2309 IDPRINTF(2, ("%s: internal queues full\n",
2310 isp->isp_name));
2311 /*
2312 * We'll synthesize a QUEUE FULL message below.
2313 */
2314 }
2315 if (sp->req_header.rqs_flags & RQSFLAG_BADHEADER) {
2316 PRINTF("%s: bad header\n", isp->isp_name);
2317 buddaboom++;
2318 }
2319 if (sp->req_header.rqs_flags & RQSFLAG_BADPACKET) {
2320 PRINTF("%s: bad request packet\n",
2321 isp->isp_name);
2322 buddaboom++;
2323 }
2324 if (sp->req_header.rqs_flags & _RQS_OFLAGS) {
2325 PRINTF("%s: unknown flags in response (0x%x)\n",
2326 isp->isp_name, sp->req_header.rqs_flags);
2327 buddaboom++;
2328 }
2329 #undef _RQS_OFLAGS
2330 }
2331 if (sp->req_handle > isp->isp_maxcmds || sp->req_handle < 1) {
2332 PRINTF("%s: bad request handle %d\n", isp->isp_name,
2333 sp->req_handle);
2334 ISP_WRITE(isp, INMAILBOX5, optr);
2335 continue;
2336 }
2337 xs = isp_find_xs(isp, sp->req_handle);
2338 if (xs == NULL) {
2339 PRINTF("%s: NULL xs in xflist (handle 0x%x)\n",
2340 isp->isp_name, sp->req_handle);
2341 ISP_WRITE(isp, INMAILBOX5, optr);
2342 continue;
2343 }
2344 isp_destroy_handle(isp, sp->req_handle);
2345 if (sp->req_status_flags & RQSTF_BUS_RESET) {
2346 isp->isp_sendmarker |= (1 << XS_CHANNEL(xs));
2347 }
2348 if (buddaboom) {
2349 XS_SETERR(xs, HBA_BOTCH);
2350 }
2351 XS_STS(xs) = sp->req_scsi_status & 0xff;
2352 if (IS_SCSI(isp)) {
2353 if (sp->req_state_flags & RQSF_GOT_SENSE) {
2354 MEMCPY(XS_SNSP(xs), sp->req_sense_data,
2355 XS_SNSLEN(xs));
2356 XS_SNS_IS_VALID(xs);
2357 }
2358 /*
2359 * A new synchronous rate was negotiated for this
2360 * target. Mark state such that we'll go look up
2361 * that which has changed later.
2362 */
2363 if (sp->req_status_flags & RQSTF_NEGOTIATION) {
2364 sdparam *sdp = isp->isp_param;
2365 sdp += XS_CHANNEL(xs);
2366 sdp->isp_devparam[XS_TGT(xs)].dev_refresh = 1;
2367 isp->isp_update |= (1 << XS_CHANNEL(xs));
2368 }
2369 } else {
2370 if (XS_STS(xs) == SCSI_CHECK) {
2371 XS_SNS_IS_VALID(xs);
2372 MEMCPY(XS_SNSP(xs), sp->req_sense_data,
2373 XS_SNSLEN(xs));
2374 sp->req_state_flags |= RQSF_GOT_SENSE;
2375 }
2376 }
2377 if (XS_NOERR(xs) && XS_STS(xs) == SCSI_BUSY) {
2378 XS_SETERR(xs, HBA_TGTBSY);
2379 }
2380
2381 if (sp->req_header.rqs_entry_type == RQSTYPE_RESPONSE) {
2382 if (XS_NOERR(xs)) {
2383 if (sp->req_completion_status != RQCS_COMPLETE) {
2384 isp_parse_status(isp, sp, xs);
2385 } else {
2386 XS_SETERR(xs, HBA_NOERROR);
2387 }
2388 }
2389 } else if (sp->req_header.rqs_entry_type == RQSTYPE_REQUEST) {
2390 if (sp->req_header.rqs_flags & RQSFLAG_FULL) {
2391 /*
2392 * Force Queue Full status.
2393 */
2394 XS_STS(xs) = SCSI_QFULL;
2395 XS_SETERR(xs, HBA_NOERROR);
2396 } else if (XS_NOERR(xs)) {
2397 XS_SETERR(xs, HBA_BOTCH);
2398 }
2399 } else {
2400 PRINTF("%s: unhandled respose queue type 0x%x\n",
2401 isp->isp_name, sp->req_header.rqs_entry_type);
2402 if (XS_NOERR(xs)) {
2403 XS_SETERR(xs, HBA_BOTCH);
2404 }
2405 }
2406 if (IS_SCSI(isp)) {
2407 XS_RESID(xs) = sp->req_resid;
2408 } else if (sp->req_scsi_status & RQCS_RU) {
2409 XS_RESID(xs) = sp->req_resid;
2410 IDPRINTF(4, ("%s: cnt %d rsd %d\n", isp->isp_name,
2411 XS_XFRLEN(xs), sp->req_resid));
2412 }
2413 if (XS_XFRLEN(xs)) {
2414 ISP_DMAFREE(isp, xs, sp->req_handle);
2415 }
2416 /*
2417 * XXX: If we have a check condition, but no Sense Data,
2418 * XXX: mark it as an error (ARQ failed). We need to
2419 * XXX: to do a more distinct job because there may
2420 * XXX: cases where ARQ is disabled.
2421 */
2422 if (XS_STS(xs) == SCSI_CHECK && !(XS_IS_SNS_VALID(xs))) {
2423 if (XS_NOERR(xs)) {
2424 PRINTF("%s: ARQ failure for target %d lun %d\n",
2425 isp->isp_name, XS_TGT(xs), XS_LUN(xs));
2426 XS_SETERR(xs, HBA_ARQFAIL);
2427 }
2428 }
2429 if ((isp->isp_dblev >= 5) ||
2430 (isp->isp_dblev > 2 && !XS_NOERR(xs))) {
2431 PRINTF("%s(%d.%d): FIN dl%d resid%d STS %x",
2432 isp->isp_name, XS_TGT(xs), XS_LUN(xs),
2433 XS_XFRLEN(xs), XS_RESID(xs), XS_STS(xs));
2434 if (sp->req_state_flags & RQSF_GOT_SENSE) {
2435 PRINTF(" Skey: %x", XS_SNSKEY(xs));
2436 if (!(XS_IS_SNS_VALID(xs))) {
2437 PRINTF(" BUT NOT SET");
2438 }
2439 }
2440 PRINTF(" XS_ERR=0x%x\n", (unsigned int) XS_ERR(xs));
2441 }
2442
2443 if (isp->isp_nactive > 0)
2444 isp->isp_nactive--;
2445 complist[ndone++] = xs; /* defer completion call until later */
2446 }
2447
2448 /*
2449 * If we looked at any commands, then it's valid to find out
2450 * what the outpointer is. It also is a trigger to update the
2451 * ISP's notion of what we've seen so far.
2452 */
2453 if (nlooked) {
2454 ISP_WRITE(isp, INMAILBOX5, optr);
2455 isp->isp_reqodx = ISP_READ(isp, OUTMAILBOX4);
2456 }
2457 isp->isp_residx = optr;
2458 for (i = 0; i < ndone; i++) {
2459 xs = complist[i];
2460 if (xs) {
2461 XS_CMD_DONE(xs);
2462 }
2463 }
2464 ENABLE_INTS(isp);
2465 return (1);
2466 }
2467
2468 /*
2469 * Support routines.
2470 */
2471
2472 static int
2473 isp_parse_async(isp, mbox)
2474 struct ispsoftc *isp;
2475 int mbox;
2476 {
2477 int bus;
2478 u_int32_t fast_post_handle = 0;
2479
2480 if (IS_DUALBUS(isp)) {
2481 bus = ISP_READ(isp, OUTMAILBOX6);
2482 } else {
2483 bus = 0;
2484 }
2485
2486 switch (mbox) {
2487 case MBOX_COMMAND_COMPLETE: /* sometimes these show up */
2488 break;
2489 case ASYNC_BUS_RESET:
2490 isp->isp_sendmarker = (1 << bus);
2491 #ifdef ISP_TARGET_MODE
2492 isp_target_async(isp, bus, ASYNC_BUS_RESET);
2493 #endif
2494 isp_async(isp, ISPASYNC_BUS_RESET, &bus);
2495 break;
2496 case ASYNC_SYSTEM_ERROR:
2497 mbox = ISP_READ(isp, OUTMAILBOX1);
2498 PRINTF("%s: Internal FW Error @ RISC Addr 0x%x\n",
2499 isp->isp_name, mbox);
2500 isp_restart(isp);
2501 /* no point continuing after this */
2502 return (-1);
2503
2504 case ASYNC_RQS_XFER_ERR:
2505 PRINTF("%s: Request Queue Transfer Error\n", isp->isp_name);
2506 break;
2507
2508 case ASYNC_RSP_XFER_ERR:
2509 PRINTF("%s: Response Queue Transfer Error\n", isp->isp_name);
2510 break;
2511
2512 case ASYNC_QWAKEUP:
2513 /*
2514 * We've just been notified that the Queue has woken up.
2515 * We don't need to be chatty about this- just unlatch things
2516 * and move on.
2517 */
2518 mbox = ISP_READ(isp, OUTMAILBOX4);
2519 break;
2520
2521 case ASYNC_TIMEOUT_RESET:
2522 PRINTF("%s: timeout initiated SCSI bus reset of bus %d\n",
2523 isp->isp_name, bus);
2524 isp->isp_sendmarker = (1 << bus);
2525 #ifdef ISP_TARGET_MODE
2526 isp_target_async(isp, bus, ASYNC_TIMEOUT_RESET);
2527 #endif
2528 break;
2529
2530 case ASYNC_DEVICE_RESET:
2531 PRINTF("%s: device reset on bus %d\n", isp->isp_name, bus);
2532 isp->isp_sendmarker = 1 << bus;
2533 #ifdef ISP_TARGET_MODE
2534 isp_target_async(isp, bus, ASYNC_DEVICE_RESET);
2535 #endif
2536 break;
2537
2538 case ASYNC_EXTMSG_UNDERRUN:
2539 PRINTF("%s: extended message underrun\n", isp->isp_name);
2540 break;
2541
2542 case ASYNC_SCAM_INT:
2543 PRINTF("%s: SCAM interrupt\n", isp->isp_name);
2544 break;
2545
2546 case ASYNC_HUNG_SCSI:
2547 PRINTF("%s: stalled SCSI Bus after DATA Overrun\n",
2548 isp->isp_name);
2549 /* XXX: Need to issue SCSI reset at this point */
2550 break;
2551
2552 case ASYNC_KILLED_BUS:
2553 PRINTF("%s: SCSI Bus reset after DATA Overrun\n",
2554 isp->isp_name);
2555 break;
2556
2557 case ASYNC_BUS_TRANSIT:
2558 mbox = ISP_READ(isp, OUTMAILBOX2);
2559 switch (mbox & 0x1c00) {
2560 case SXP_PINS_LVD_MODE:
2561 PRINTF("%s: Transition to LVD mode\n", isp->isp_name);
2562 ((sdparam *)isp->isp_param)->isp_diffmode = 0;
2563 ((sdparam *)isp->isp_param)->isp_ultramode = 0;
2564 ((sdparam *)isp->isp_param)->isp_lvdmode = 1;
2565 break;
2566 case SXP_PINS_HVD_MODE:
2567 PRINTF("%s: Transition to Differential mode\n",
2568 isp->isp_name);
2569 ((sdparam *)isp->isp_param)->isp_diffmode = 1;
2570 ((sdparam *)isp->isp_param)->isp_ultramode = 0;
2571 ((sdparam *)isp->isp_param)->isp_lvdmode = 0;
2572 break;
2573 case SXP_PINS_SE_MODE:
2574 PRINTF("%s: Transition to Single Ended mode\n",
2575 isp->isp_name);
2576 ((sdparam *)isp->isp_param)->isp_diffmode = 0;
2577 ((sdparam *)isp->isp_param)->isp_ultramode = 1;
2578 ((sdparam *)isp->isp_param)->isp_lvdmode = 0;
2579 break;
2580 default:
2581 PRINTF("%s: Transition to unknown mode 0x%x\n",
2582 isp->isp_name, mbox);
2583 break;
2584 }
2585 /*
2586 * XXX: Set up to renegotiate again!
2587 */
2588 /* Can only be for a 1080... */
2589 isp->isp_sendmarker = (1 << bus);
2590 break;
2591
2592 case ASYNC_CMD_CMPLT:
2593 fast_post_handle = (ISP_READ(isp, OUTMAILBOX2) << 16) |
2594 ISP_READ(isp, OUTMAILBOX1);
2595 IDPRINTF(3, ("%s: fast post completion of %u\n", isp->isp_name,
2596 fast_post_handle));
2597 break;
2598
2599 case ASYNC_CTIO_DONE:
2600 /* Should only occur when Fast Posting Set for 2100s */
2601 PRINTF("%s: CTIO done\n", isp->isp_name);
2602 break;
2603
2604 case ASYNC_LIP_OCCURRED:
2605 ((fcparam *) isp->isp_param)->isp_lipseq =
2606 ISP_READ(isp, OUTMAILBOX1);
2607 ((fcparam *) isp->isp_param)->isp_fwstate = FW_CONFIG_WAIT;
2608 ((fcparam *) isp->isp_param)->isp_loopstate = LOOP_LIP_RCVD;
2609 isp->isp_sendmarker = 1;
2610 isp_mark_getpdb_all(isp);
2611 IDPRINTF(1, ("%s: LIP occurred\n", isp->isp_name));
2612 break;
2613
2614 case ASYNC_LOOP_UP:
2615 isp->isp_sendmarker = 1;
2616 ((fcparam *) isp->isp_param)->isp_fwstate = FW_CONFIG_WAIT;
2617 ((fcparam *) isp->isp_param)->isp_loopstate = LOOP_LIP_RCVD;
2618 isp_mark_getpdb_all(isp);
2619 isp_async(isp, ISPASYNC_LOOP_UP, NULL);
2620 break;
2621
2622 case ASYNC_LOOP_DOWN:
2623 isp->isp_sendmarker = 1;
2624 ((fcparam *) isp->isp_param)->isp_fwstate = FW_CONFIG_WAIT;
2625 ((fcparam *) isp->isp_param)->isp_loopstate = LOOP_NIL;
2626 isp_mark_getpdb_all(isp);
2627 isp_async(isp, ISPASYNC_LOOP_DOWN, NULL);
2628 break;
2629
2630 case ASYNC_LOOP_RESET:
2631 isp->isp_sendmarker = 1 << bus;
2632 ((fcparam *) isp->isp_param)->isp_fwstate = FW_CONFIG_WAIT;
2633 ((fcparam *) isp->isp_param)->isp_loopstate = LOOP_NIL;
2634 isp_mark_getpdb_all(isp);
2635 PRINTF("%s: Loop RESET\n", isp->isp_name);
2636 #ifdef ISP_TARGET_MODE
2637 isp_target_async(isp, bus, ASYNC_LOOP_RESET);
2638 #endif
2639 break;
2640
2641 case ASYNC_PDB_CHANGED:
2642 isp->isp_sendmarker = 1;
2643 ((fcparam *) isp->isp_param)->isp_loopstate = LOOP_PDB_RCVD;
2644 isp_mark_getpdb_all(isp);
2645 IDPRINTF(2, ("%s: Port Database Changed\n", isp->isp_name));
2646 break;
2647
2648 case ASYNC_CHANGE_NOTIFY:
2649 isp_mark_getpdb_all(isp);
2650 /*
2651 * Not correct, but it will force us to rescan the loop.
2652 */
2653 ((fcparam *) isp->isp_param)->isp_loopstate = LOOP_PDB_RCVD;
2654 isp_async(isp, ISPASYNC_CHANGE_NOTIFY, NULL);
2655 break;
2656
2657 default:
2658 PRINTF("%s: unknown async code 0x%x\n", isp->isp_name, mbox);
2659 break;
2660 }
2661 return (fast_post_handle);
2662 }
2663
2664 /*
2665 * Handle other response entries. A pointer to the request queue output
2666 * index is here in case we want to eat several entries at once, although
2667 * this is not used currently.
2668 */
2669
2670 static int
2671 isp_handle_other_response(isp, sp, optrp)
2672 struct ispsoftc *isp;
2673 ispstatusreq_t *sp;
2674 u_int16_t *optrp;
2675 {
2676 switch (sp->req_header.rqs_entry_type) {
2677 case RQSTYPE_ATIO:
2678 case RQSTYPE_CTIO0:
2679 case RQSTYPE_ENABLE_LUN:
2680 case RQSTYPE_MODIFY_LUN:
2681 case RQSTYPE_NOTIFY:
2682 case RQSTYPE_NOTIFY_ACK:
2683 case RQSTYPE_CTIO1:
2684 case RQSTYPE_ATIO2:
2685 case RQSTYPE_CTIO2:
2686 case RQSTYPE_CTIO3:
2687 #ifdef ISP_TARGET_MODE
2688 return (isp_target_entry(isp, sp));
2689 #else
2690 /* FALLTHROUGH */
2691 #endif
2692 case RQSTYPE_REQUEST:
2693 default:
2694 PRINTF("%s: unhandled response type 0x%x\n", isp->isp_name,
2695 sp->req_header.rqs_entry_type);
2696 return (-1);
2697 }
2698 }
2699
2700 static void
2701 isp_parse_status(isp, sp, xs)
2702 struct ispsoftc *isp;
2703 ispstatusreq_t *sp;
2704 ISP_SCSI_XFER_T *xs;
2705 {
2706 switch (sp->req_completion_status) {
2707 case RQCS_COMPLETE:
2708 XS_SETERR(xs, HBA_NOERROR);
2709 return;
2710
2711 case RQCS_INCOMPLETE:
2712 if ((sp->req_state_flags & RQSF_GOT_TARGET) == 0) {
2713 IDPRINTF(3, ("%s: Selection Timeout for target %d\n",
2714 isp->isp_name, XS_TGT(xs)));
2715 XS_SETERR(xs, HBA_SELTIMEOUT);
2716 return;
2717 }
2718 PRINTF("%s: command incomplete for target %d lun %d, state "
2719 "0x%x\n", isp->isp_name, XS_TGT(xs), XS_LUN(xs),
2720 sp->req_state_flags);
2721 break;
2722
2723 case RQCS_DMA_ERROR:
2724 PRINTF("%s: DMA error for command on target %d, lun %d\n",
2725 isp->isp_name, XS_TGT(xs), XS_LUN(xs));
2726 break;
2727
2728 case RQCS_TRANSPORT_ERROR:
2729 PRINTF("%s: transport error\n", isp->isp_name);
2730 isp_prtstst(sp);
2731 break;
2732
2733 case RQCS_RESET_OCCURRED:
2734 IDPRINTF(2, ("%s: bus %d reset destroyed command for target %d "
2735 "lun %d\n", isp->isp_name, XS_CHANNEL(xs), XS_TGT(xs),
2736 XS_LUN(xs)));
2737 /*
2738 * XXX: Get port number for bus
2739 */
2740 isp->isp_sendmarker = 3;
2741 XS_SETERR(xs, HBA_BUSRESET);
2742 return;
2743
2744 case RQCS_ABORTED:
2745 PRINTF("%s: command aborted for target %d lun %d\n",
2746 isp->isp_name, XS_TGT(xs), XS_LUN(xs));
2747 /*
2748 * XXX: Get port number for bus
2749 */
2750 isp->isp_sendmarker = 3;
2751 XS_SETERR(xs, HBA_ABORTED);
2752 return;
2753
2754 case RQCS_TIMEOUT:
2755 IDPRINTF(2, ("%s: command timed out for target %d lun %d\n",
2756 isp->isp_name, XS_TGT(xs), XS_LUN(xs)));
2757 XS_SETERR(xs, HBA_CMDTIMEOUT);
2758 return;
2759
2760 case RQCS_DATA_OVERRUN:
2761 if (IS_FC(isp)) {
2762 XS_RESID(xs) = sp->req_resid;
2763 break;
2764 }
2765 XS_SETERR(xs, HBA_DATAOVR);
2766 return;
2767
2768 case RQCS_COMMAND_OVERRUN:
2769 PRINTF("%s: command overrun for command on target %d, lun %d\n",
2770 isp->isp_name, XS_TGT(xs), XS_LUN(xs));
2771 break;
2772
2773 case RQCS_STATUS_OVERRUN:
2774 PRINTF("%s: status overrun for command on target %d, lun %d\n",
2775 isp->isp_name, XS_TGT(xs), XS_LUN(xs));
2776 break;
2777
2778 case RQCS_BAD_MESSAGE:
2779 PRINTF("%s: message not COMMAND COMPLETE after status on "
2780 "target %d, lun %d\n", isp->isp_name, XS_TGT(xs),
2781 XS_LUN(xs));
2782 break;
2783
2784 case RQCS_NO_MESSAGE_OUT:
2785 PRINTF("%s: No MESSAGE OUT phase after selection on "
2786 "target %d, lun %d\n", isp->isp_name, XS_TGT(xs),
2787 XS_LUN(xs));
2788 break;
2789
2790 case RQCS_EXT_ID_FAILED:
2791 PRINTF("%s: EXTENDED IDENTIFY failed on target %d, lun %d\n",
2792 isp->isp_name, XS_TGT(xs), XS_LUN(xs));
2793 break;
2794
2795 case RQCS_IDE_MSG_FAILED:
2796 PRINTF("%s: target %d lun %d rejected INITIATOR DETECTED "
2797 "ERROR message\n", isp->isp_name, XS_TGT(xs), XS_LUN(xs));
2798 break;
2799
2800 case RQCS_ABORT_MSG_FAILED:
2801 PRINTF("%s: target %d lun %d rejected ABORT message\n",
2802 isp->isp_name, XS_TGT(xs), XS_LUN(xs));
2803 break;
2804
2805 case RQCS_REJECT_MSG_FAILED:
2806 PRINTF("%s: target %d lun %d rejected MESSAGE REJECT message\n",
2807 isp->isp_name, XS_TGT(xs), XS_LUN(xs));
2808 break;
2809
2810 case RQCS_NOP_MSG_FAILED:
2811 PRINTF("%s: target %d lun %d rejected NOP message\n",
2812 isp->isp_name, XS_TGT(xs), XS_LUN(xs));
2813 break;
2814
2815 case RQCS_PARITY_ERROR_MSG_FAILED:
2816 PRINTF("%s: target %d lun %d rejected MESSAGE PARITY ERROR "
2817 "message\n", isp->isp_name, XS_TGT(xs), XS_LUN(xs));
2818 break;
2819
2820 case RQCS_DEVICE_RESET_MSG_FAILED:
2821 PRINTF("%s: target %d lun %d rejected BUS DEVICE RESET "
2822 "message\n", isp->isp_name, XS_TGT(xs), XS_LUN(xs));
2823 break;
2824
2825 case RQCS_ID_MSG_FAILED:
2826 PRINTF("%s: target %d lun %d rejected IDENTIFY "
2827 "message\n", isp->isp_name, XS_TGT(xs), XS_LUN(xs));
2828 break;
2829
2830 case RQCS_UNEXP_BUS_FREE:
2831 PRINTF("%s: target %d lun %d had an unexpected bus free\n",
2832 isp->isp_name, XS_TGT(xs), XS_LUN(xs));
2833 break;
2834
2835 case RQCS_DATA_UNDERRUN:
2836 if (IS_FC(isp)) {
2837 XS_RESID(xs) = sp->req_resid;
2838 /* an UNDERRUN is not a botch ??? */
2839 }
2840 XS_SETERR(xs, HBA_NOERROR);
2841 return;
2842
2843 case RQCS_XACT_ERR1:
2844 PRINTF("%s: HBA attempted queued transaction with disconnect "
2845 "not set for target %d lun %d\n", isp->isp_name, XS_TGT(xs),
2846 XS_LUN(xs));
2847 break;
2848
2849 case RQCS_XACT_ERR2:
2850 PRINTF("%s: HBA attempted queued transaction to target "
2851 "routine %d on target %d\n", isp->isp_name, XS_LUN(xs),
2852 XS_TGT(xs));
2853 break;
2854
2855 case RQCS_XACT_ERR3:
2856 PRINTF("%s: HBA attempted queued transaction for target %d lun "
2857 "%d when queueing disabled\n", isp->isp_name, XS_TGT(xs),
2858 XS_LUN(xs));
2859 break;
2860
2861 case RQCS_BAD_ENTRY:
2862 PRINTF("%s: invalid IOCB entry type detected\n", isp->isp_name);
2863 break;
2864
2865 case RQCS_QUEUE_FULL:
2866 IDPRINTF(3, ("%s: internal queues full for target %d lun %d "
2867 "status 0x%x\n", isp->isp_name, XS_TGT(xs), XS_LUN(xs),
2868 XS_STS(xs)));
2869 /*
2870 * If QFULL or some other status byte is set, then this
2871 * isn't an error, per se.
2872 */
2873 if (XS_STS(xs) != 0) {
2874 XS_SETERR(xs, HBA_NOERROR);
2875 return;
2876 }
2877 break;
2878
2879 case RQCS_PHASE_SKIPPED:
2880 PRINTF("%s: SCSI phase skipped (e.g., COMMAND COMPLETE w/o "
2881 "STATUS phase) for target %d lun %d\n", isp->isp_name,
2882 XS_TGT(xs), XS_LUN(xs));
2883 break;
2884
2885 case RQCS_ARQS_FAILED:
2886 PRINTF("%s: Auto Request Sense failed for target %d lun %d\n",
2887 isp->isp_name, XS_TGT(xs), XS_LUN(xs));
2888 XS_SETERR(xs, HBA_ARQFAIL);
2889 return;
2890
2891 case RQCS_WIDE_FAILED:
2892 PRINTF("%s: Wide Negotiation failed for target %d lun %d\n",
2893 isp->isp_name, XS_TGT(xs), XS_LUN(xs));
2894 if (IS_SCSI(isp)) {
2895 sdparam *sdp = isp->isp_param;
2896 sdp += XS_CHANNEL(xs);
2897 sdp->isp_devparam[XS_TGT(xs)].dev_flags &= ~DPARM_WIDE;
2898 sdp->isp_devparam[XS_TGT(xs)].dev_update = 1;
2899 isp->isp_update = XS_CHANNEL(xs)+1;
2900 }
2901 XS_SETERR(xs, HBA_NOERROR);
2902 return;
2903
2904 case RQCS_SYNCXFER_FAILED:
2905 PRINTF("%s: SDTR Message failed for target %d lun %d\n",
2906 isp->isp_name, XS_TGT(xs), XS_LUN(xs));
2907 if (IS_SCSI(isp)) {
2908 sdparam *sdp = isp->isp_param;
2909 sdp += XS_CHANNEL(xs);
2910 sdp->isp_devparam[XS_TGT(xs)].dev_flags &= ~DPARM_SYNC;
2911 sdp->isp_devparam[XS_TGT(xs)].dev_update = 1;
2912 isp->isp_update = XS_CHANNEL(xs)+1;
2913 }
2914 break;
2915
2916 case RQCS_LVD_BUSERR:
2917 PRINTF("%s: Bad LVD Bus condition while talking to target %d "
2918 "lun %d\n", isp->isp_name, XS_TGT(xs), XS_LUN(xs));
2919 break;
2920
2921 case RQCS_PORT_UNAVAILABLE:
2922 /*
2923 * No such port on the loop. Moral equivalent of SELTIMEO
2924 */
2925 IDPRINTF(3, ("%s: Port Unavailable for target %d\n",
2926 isp->isp_name, XS_TGT(xs)));
2927 XS_SETERR(xs, HBA_SELTIMEOUT);
2928 return;
2929
2930 case RQCS_PORT_LOGGED_OUT:
2931 /*
2932 * It was there (maybe)- treat as a selection timeout.
2933 */
2934 IDPRINTF(2, ("%s: port logout for target %d\n",
2935 isp->isp_name, XS_TGT(xs)));
2936 XS_SETERR(xs, HBA_SELTIMEOUT);
2937 return;
2938
2939 case RQCS_PORT_CHANGED:
2940 PRINTF("%s: port changed for target %d\n",
2941 isp->isp_name, XS_TGT(xs));
2942 break;
2943
2944 case RQCS_PORT_BUSY:
2945 PRINTF("%s: port busy for target %d\n",
2946 isp->isp_name, XS_TGT(xs));
2947 XS_SETERR(xs, HBA_TGTBSY);
2948 return;
2949
2950 default:
2951 PRINTF("%s: comp status %x\n", isp->isp_name,
2952 sp->req_completion_status);
2953 break;
2954 }
2955 XS_SETERR(xs, HBA_BOTCH);
2956 }
2957
2958 static void
2959 isp_fastpost_complete(isp, fph)
2960 struct ispsoftc *isp;
2961 u_int32_t fph;
2962 {
2963 ISP_SCSI_XFER_T *xs;
2964
2965 if (fph < 1) {
2966 return;
2967 }
2968 xs = isp_find_xs(isp, fph);
2969 if (xs == NULL) {
2970 PRINTF("%s: command for fast posting handle 0x%x not found\n",
2971 isp->isp_name, fph);
2972 return;
2973 }
2974 isp_destroy_handle(isp, fph);
2975
2976 /*
2977 * Since we don't have a result queue entry item,
2978 * we must believe that SCSI status is zero and
2979 * that all data transferred.
2980 */
2981 XS_RESID(xs) = 0;
2982 XS_STS(xs) = 0;
2983 if (XS_XFRLEN(xs)) {
2984 ISP_DMAFREE(isp, xs, fph);
2985 }
2986 XS_CMD_DONE(xs);
2987 if (isp->isp_nactive)
2988 isp->isp_nactive--;
2989 }
2990
2991 #define HINIB(x) ((x) >> 0x4)
2992 #define LONIB(x) ((x) & 0xf)
2993 #define MAKNIB(a, b) (((a) << 4) | (b))
2994 static u_int8_t mbpcnt[] = {
2995 MAKNIB(1, 1), /* 0x00: MBOX_NO_OP */
2996 MAKNIB(5, 5), /* 0x01: MBOX_LOAD_RAM */
2997 MAKNIB(2, 0), /* 0x02: MBOX_EXEC_FIRMWARE */
2998 MAKNIB(5, 5), /* 0x03: MBOX_DUMP_RAM */
2999 MAKNIB(3, 3), /* 0x04: MBOX_WRITE_RAM_WORD */
3000 MAKNIB(2, 3), /* 0x05: MBOX_READ_RAM_WORD */
3001 MAKNIB(6, 6), /* 0x06: MBOX_MAILBOX_REG_TEST */
3002 MAKNIB(2, 3), /* 0x07: MBOX_VERIFY_CHECKSUM */
3003 MAKNIB(1, 4), /* 0x08: MBOX_ABOUT_FIRMWARE */
3004 MAKNIB(0, 0), /* 0x09: */
3005 MAKNIB(0, 0), /* 0x0a: */
3006 MAKNIB(0, 0), /* 0x0b: */
3007 MAKNIB(0, 0), /* 0x0c: */
3008 MAKNIB(0, 0), /* 0x0d: */
3009 MAKNIB(1, 2), /* 0x0e: MBOX_CHECK_FIRMWARE */
3010 MAKNIB(0, 0), /* 0x0f: */
3011 MAKNIB(5, 5), /* 0x10: MBOX_INIT_REQ_QUEUE */
3012 MAKNIB(6, 6), /* 0x11: MBOX_INIT_RES_QUEUE */
3013 MAKNIB(4, 4), /* 0x12: MBOX_EXECUTE_IOCB */
3014 MAKNIB(2, 2), /* 0x13: MBOX_WAKE_UP */
3015 MAKNIB(1, 6), /* 0x14: MBOX_STOP_FIRMWARE */
3016 MAKNIB(4, 4), /* 0x15: MBOX_ABORT */
3017 MAKNIB(2, 2), /* 0x16: MBOX_ABORT_DEVICE */
3018 MAKNIB(3, 3), /* 0x17: MBOX_ABORT_TARGET */
3019 MAKNIB(3, 1), /* 0x18: MBOX_BUS_RESET */
3020 MAKNIB(2, 3), /* 0x19: MBOX_STOP_QUEUE */
3021 MAKNIB(2, 3), /* 0x1a: MBOX_START_QUEUE */
3022 MAKNIB(2, 3), /* 0x1b: MBOX_SINGLE_STEP_QUEUE */
3023 MAKNIB(2, 3), /* 0x1c: MBOX_ABORT_QUEUE */
3024 MAKNIB(2, 4), /* 0x1d: MBOX_GET_DEV_QUEUE_STATUS */
3025 MAKNIB(0, 0), /* 0x1e: */
3026 MAKNIB(1, 3), /* 0x1f: MBOX_GET_FIRMWARE_STATUS */
3027 MAKNIB(1, 4), /* 0x20: MBOX_GET_INIT_SCSI_ID, MBOX_GET_LOOP_ID */
3028 MAKNIB(1, 3), /* 0x21: MBOX_GET_SELECT_TIMEOUT */
3029 MAKNIB(1, 3), /* 0x22: MBOX_GET_RETRY_COUNT */
3030 MAKNIB(1, 2), /* 0x23: MBOX_GET_TAG_AGE_LIMIT */
3031 MAKNIB(1, 2), /* 0x24: MBOX_GET_CLOCK_RATE */
3032 MAKNIB(1, 2), /* 0x25: MBOX_GET_ACT_NEG_STATE */
3033 MAKNIB(1, 2), /* 0x26: MBOX_GET_ASYNC_DATA_SETUP_TIME */
3034 MAKNIB(1, 3), /* 0x27: MBOX_GET_PCI_PARAMS */
3035 MAKNIB(2, 4), /* 0x28: MBOX_GET_TARGET_PARAMS */
3036 MAKNIB(2, 4), /* 0x29: MBOX_GET_DEV_QUEUE_PARAMS */
3037 MAKNIB(1, 2), /* 0x2a: MBOX_GET_RESET_DELAY_PARAMS */
3038 MAKNIB(0, 0), /* 0x2b: */
3039 MAKNIB(0, 0), /* 0x2c: */
3040 MAKNIB(0, 0), /* 0x2d: */
3041 MAKNIB(0, 0), /* 0x2e: */
3042 MAKNIB(0, 0), /* 0x2f: */
3043 MAKNIB(2, 2), /* 0x30: MBOX_SET_INIT_SCSI_ID */
3044 MAKNIB(2, 3), /* 0x31: MBOX_SET_SELECT_TIMEOUT */
3045 MAKNIB(3, 3), /* 0x32: MBOX_SET_RETRY_COUNT */
3046 MAKNIB(2, 2), /* 0x33: MBOX_SET_TAG_AGE_LIMIT */
3047 MAKNIB(2, 2), /* 0x34: MBOX_SET_CLOCK_RATE */
3048 MAKNIB(2, 2), /* 0x35: MBOX_SET_ACT_NEG_STATE */
3049 MAKNIB(2, 2), /* 0x36: MBOX_SET_ASYNC_DATA_SETUP_TIME */
3050 MAKNIB(3, 3), /* 0x37: MBOX_SET_PCI_CONTROL_PARAMS */
3051 MAKNIB(4, 4), /* 0x38: MBOX_SET_TARGET_PARAMS */
3052 MAKNIB(4, 4), /* 0x39: MBOX_SET_DEV_QUEUE_PARAMS */
3053 MAKNIB(1, 2), /* 0x3a: MBOX_SET_RESET_DELAY_PARAMS */
3054 MAKNIB(0, 0), /* 0x3b: */
3055 MAKNIB(0, 0), /* 0x3c: */
3056 MAKNIB(0, 0), /* 0x3d: */
3057 MAKNIB(0, 0), /* 0x3e: */
3058 MAKNIB(0, 0), /* 0x3f: */
3059 MAKNIB(1, 2), /* 0x40: MBOX_RETURN_BIOS_BLOCK_ADDR */
3060 MAKNIB(6, 1), /* 0x41: MBOX_WRITE_FOUR_RAM_WORDS */
3061 MAKNIB(2, 3), /* 0x42: MBOX_EXEC_BIOS_IOCB */
3062 MAKNIB(0, 0), /* 0x43: */
3063 MAKNIB(0, 0), /* 0x44: */
3064 MAKNIB(0, 0), /* 0x45: */
3065 MAKNIB(0, 0), /* 0x46: */
3066 MAKNIB(0, 0), /* 0x47: */
3067 MAKNIB(0, 0), /* 0x48: */
3068 MAKNIB(0, 0), /* 0x49: */
3069 MAKNIB(2, 1), /* 0x4a: MBOX_SET_FIRMWARE_FEATURES */
3070 MAKNIB(1, 2), /* 0x4b: MBOX_GET_FIRMWARE_FEATURES */
3071 MAKNIB(0, 0), /* 0x4c: */
3072 MAKNIB(0, 0), /* 0x4d: */
3073 MAKNIB(0, 0), /* 0x4e: */
3074 MAKNIB(0, 0), /* 0x4f: */
3075 MAKNIB(0, 0), /* 0x50: */
3076 MAKNIB(0, 0), /* 0x51: */
3077 MAKNIB(0, 0), /* 0x52: */
3078 MAKNIB(0, 0), /* 0x53: */
3079 MAKNIB(8, 0), /* 0x54: MBOX_EXEC_COMMAND_IOCB_A64 */
3080 MAKNIB(0, 0), /* 0x55: */
3081 MAKNIB(0, 0), /* 0x56: */
3082 MAKNIB(0, 0), /* 0x57: */
3083 MAKNIB(0, 0), /* 0x58: */
3084 MAKNIB(0, 0), /* 0x59: */
3085 MAKNIB(0, 0), /* 0x5a: */
3086 MAKNIB(0, 0), /* 0x5b: */
3087 MAKNIB(0, 0), /* 0x5c: */
3088 MAKNIB(0, 0), /* 0x5d: */
3089 MAKNIB(0, 0), /* 0x5e: */
3090 MAKNIB(0, 0), /* 0x5f: */
3091 MAKNIB(8, 6), /* 0x60: MBOX_INIT_FIRMWARE */
3092 MAKNIB(0, 0), /* 0x61: */
3093 MAKNIB(2, 1), /* 0x62: MBOX_INIT_LIP */
3094 MAKNIB(8, 1), /* 0x63: MBOX_GET_FC_AL_POSITION_MAP */
3095 MAKNIB(8, 1), /* 0x64: MBOX_GET_PORT_DB */
3096 MAKNIB(3, 1), /* 0x65: MBOX_CLEAR_ACA */
3097 MAKNIB(3, 1), /* 0x66: MBOX_TARGET_RESET */
3098 MAKNIB(3, 1), /* 0x67: MBOX_CLEAR_TASK_SET */
3099 MAKNIB(3, 1), /* 0x68: MBOX_ABORT_TASK_SET */
3100 MAKNIB(1, 2), /* 0x69: MBOX_GET_FW_STATE */
3101 MAKNIB(2, 8), /* 0x6a: MBOX_GET_PORT_NAME */
3102 MAKNIB(8, 1), /* 0x6b: MBOX_GET_LINK_STATUS */
3103 MAKNIB(4, 4), /* 0x6c: MBOX_INIT_LIP_RESET */
3104 MAKNIB(0, 0), /* 0x6d: */
3105 MAKNIB(8, 2), /* 0x6e: MBOX_SEND_SNS */
3106 MAKNIB(4, 3), /* 0x6f: MBOX_FABRIC_LOGIN */
3107 MAKNIB(2, 1), /* 0x70: MBOX_SEND_CHANGE_REQUEST */
3108 MAKNIB(2, 1), /* 0x71: MBOX_FABRIC_LOGOUT */
3109 MAKNIB(4, 1) /* 0x72: MBOX_INIT_LIP_LOGIN */
3110 };
3111 #define NMBCOM (sizeof (mbpcnt) / sizeof (mbpcnt[0]))
3112
3113 static void
3114 isp_mboxcmd(isp, mbp)
3115 struct ispsoftc *isp;
3116 mbreg_t *mbp;
3117 {
3118 int outparam, inparam;
3119 int loops, dld = 0;
3120 u_int8_t opcode;
3121
3122 if (mbp->param[0] == ISP2100_SET_PCI_PARAM) {
3123 opcode = mbp->param[0] = MBOX_SET_PCI_PARAMETERS;
3124 inparam = 4;
3125 outparam = 4;
3126 goto command_known;
3127 } else if (mbp->param[0] > NMBCOM) {
3128 PRINTF("%s: bad command %x\n", isp->isp_name, mbp->param[0]);
3129 return;
3130 }
3131
3132 opcode = mbp->param[0];
3133 inparam = HINIB(mbpcnt[mbp->param[0]]);
3134 outparam = LONIB(mbpcnt[mbp->param[0]]);
3135
3136 if (inparam == 0 && outparam == 0) {
3137 PRINTF("%s: no parameters for %x\n", isp->isp_name,
3138 mbp->param[0]);
3139 return;
3140 }
3141
3142
3143 /*
3144 * Check for variants
3145 */
3146 #ifdef ISP2100_SCCLUN
3147 if (IS_FC(isp)) {
3148 switch (mbp->param[0]) {
3149 case MBOX_ABORT:
3150 inparam = 7;
3151 break;
3152 case MBOX_ABORT_DEVICE:
3153 case MBOX_START_QUEUE:
3154 case MBOX_STOP_QUEUE:
3155 case MBOX_SINGLE_STEP_QUEUE:
3156 case MBOX_ABORT_QUEUE:
3157 case MBOX_GET_DEV_QUEUE_STATUS:
3158 inparam = 3;
3159 break;
3160 case MBOX_BUS_RESET:
3161 inparam = 2;
3162 break;
3163 default:
3164 break;
3165 }
3166 }
3167 #endif
3168
3169 command_known:
3170
3171 /*
3172 * Set semaphore on mailbox registers to win any races to acquire them.
3173 */
3174 ISP_WRITE(isp, BIU_SEMA, 1);
3175
3176 /*
3177 * Qlogic Errata for the ISP2100 says that there is a necessary
3178 * debounce between between writing the semaphore register
3179 * and reading a mailbox register. I believe we're okay here.
3180 */
3181
3182 /*
3183 * Make sure we can send some words.
3184 * Check to see if there's an async mbox event pending.
3185 */
3186
3187 loops = MBOX_DELAY_COUNT;
3188 while ((ISP_READ(isp, HCCR) & HCCR_HOST_INT) != 0) {
3189 if (ISP_READ(isp, BIU_SEMA) & 1) {
3190 int fph;
3191 u_int16_t mbox = ISP_READ(isp, OUTMAILBOX0);
3192 /*
3193 * We have a pending MBOX async event.
3194 */
3195 if (mbox & 0x8000) {
3196 fph = isp_parse_async(isp, (int) mbox);
3197 IDPRINTF(5, ("%s: line %d, fph %d\n",
3198 isp->isp_name, __LINE__, fph));
3199 ISP_WRITE(isp, BIU_SEMA, 0);
3200 ISP_WRITE(isp, HCCR, HCCR_CMD_CLEAR_RISC_INT);
3201 if (fph < 0) {
3202 return;
3203 } else if (fph > 0) {
3204 isp_fastpost_complete(isp, fph);
3205 }
3206 SYS_DELAY(100);
3207 goto command_known;
3208 }
3209 /*
3210 * We have a pending MBOX completion? Might be
3211 * from a previous command. We can't (sometimes)
3212 * just clear HOST INTERRUPT, so we'll just silently
3213 * eat this here.
3214 */
3215 if (mbox & 0x4000) {
3216 IDPRINTF(5, ("%s: line %d, mbox 0x%x\n",
3217 isp->isp_name, __LINE__, mbox));
3218 ISP_WRITE(isp, BIU_SEMA, 0);
3219 ISP_WRITE(isp, HCCR, HCCR_CMD_CLEAR_RISC_INT);
3220 SYS_DELAY(100);
3221 goto command_known;
3222 }
3223 }
3224 SYS_DELAY(100);
3225 if (--loops < 0) {
3226 if (dld++ > 10) {
3227 PRINTF("%s: isp_mboxcmd could not get command "
3228 "started\n", isp->isp_name);
3229 return;
3230 }
3231 ISP_WRITE(isp, BIU_SEMA, 0);
3232 ISP_WRITE(isp, HCCR, HCCR_CMD_CLEAR_RISC_INT);
3233 goto command_known;
3234 }
3235 }
3236
3237 /*
3238 * Write input parameters.
3239 *
3240 * Special case some of the setups for the dual port SCSI cards.
3241 * XXX Eventually will be fixed by converting register write/read
3242 * XXX counts to bitmasks.
3243 */
3244 if (IS_DUALBUS(isp)) {
3245 switch (opcode) {
3246 case MBOX_GET_RETRY_COUNT:
3247 case MBOX_SET_RETRY_COUNT:
3248 ISP_WRITE(isp, INMAILBOX7, mbp->param[7]);
3249 mbp->param[7] = 0;
3250 ISP_WRITE(isp, INMAILBOX6, mbp->param[6]);
3251 mbp->param[6] = 0;
3252 break;
3253 case MBOX_SET_ASYNC_DATA_SETUP_TIME:
3254 case MBOX_SET_ACT_NEG_STATE:
3255 case MBOX_SET_TAG_AGE_LIMIT:
3256 case MBOX_SET_SELECT_TIMEOUT:
3257 ISP_WRITE(isp, INMAILBOX2, mbp->param[2]);
3258 mbp->param[2] = 0;
3259 break;
3260 }
3261 }
3262
3263 switch (inparam) {
3264 case 8: ISP_WRITE(isp, INMAILBOX7, mbp->param[7]); mbp->param[7] = 0;
3265 case 7: ISP_WRITE(isp, INMAILBOX6, mbp->param[6]); mbp->param[6] = 0;
3266 case 6:
3267 /*
3268 * The Qlogic 2100 cannot have registers 4 and 5 written to
3269 * after initialization or BAD THINGS HAPPEN (tm).
3270 */
3271 if (IS_SCSI(isp) || mbp->param[0] == MBOX_INIT_FIRMWARE)
3272 ISP_WRITE(isp, INMAILBOX5, mbp->param[5]);
3273 mbp->param[5] = 0;
3274 case 5:
3275 if (IS_SCSI(isp) || mbp->param[0] == MBOX_INIT_FIRMWARE)
3276 ISP_WRITE(isp, INMAILBOX4, mbp->param[4]);
3277 mbp->param[4] = 0;
3278 case 4: ISP_WRITE(isp, INMAILBOX3, mbp->param[3]); mbp->param[3] = 0;
3279 case 3: ISP_WRITE(isp, INMAILBOX2, mbp->param[2]); mbp->param[2] = 0;
3280 case 2: ISP_WRITE(isp, INMAILBOX1, mbp->param[1]); mbp->param[1] = 0;
3281 case 1: ISP_WRITE(isp, INMAILBOX0, mbp->param[0]); mbp->param[0] = 0;
3282 }
3283
3284 /*
3285 * Clear RISC int condition.
3286 */
3287 ISP_WRITE(isp, HCCR, HCCR_CMD_CLEAR_RISC_INT);
3288
3289 /*
3290 * Clear semaphore on mailbox registers so that the Qlogic
3291 * may update outgoing registers.
3292 */
3293 ISP_WRITE(isp, BIU_SEMA, 0);
3294
3295 /*
3296 * Set Host Interrupt condition so that RISC will pick up mailbox regs.
3297 */
3298 ISP_WRITE(isp, HCCR, HCCR_CMD_SET_HOST_INT);
3299
3300 /*
3301 * Wait until HOST INT has gone away (meaning that the Qlogic
3302 * has picked up the mailbox command. Wait a long time.
3303 */
3304 loops = MBOX_DELAY_COUNT * 5;
3305 while ((ISP_READ(isp, HCCR) & HCCR_CMD_CLEAR_RISC_INT) != 0) {
3306 SYS_DELAY(100);
3307 if (--loops < 0) {
3308 PRINTF("%s: isp_mboxcmd timeout #2\n", isp->isp_name);
3309 return;
3310 }
3311 }
3312
3313 /*
3314 * While the Semaphore registers isn't set, wait for the Qlogic
3315 * to process the mailbox command. Again- wait a long time.
3316 */
3317 loops = MBOX_DELAY_COUNT * 5;
3318 while ((ISP_READ(isp, BIU_SEMA) & 1) == 0) {
3319 SYS_DELAY(100);
3320 /*
3321 * Wierd- I've seen the case where the semaphore register
3322 * isn't getting set- sort of a violation of the protocol..
3323 */
3324 if (ISP_READ(isp, OUTMAILBOX0) & 0x4000)
3325 break;
3326 if (--loops < 0) {
3327 PRINTF("%s: isp_mboxcmd timeout #3\n", isp->isp_name);
3328 return;
3329 }
3330 }
3331
3332 /*
3333 * Make sure that the MBOX_BUSY has gone away
3334 */
3335 loops = MBOX_DELAY_COUNT;
3336 for (;;) {
3337 u_int16_t mbox = ISP_READ(isp, OUTMAILBOX0);
3338 if (mbox == MBOX_BUSY) {
3339 if (--loops < 0) {
3340 PRINTF("%s: isp_mboxcmd timeout #4\n",
3341 isp->isp_name);
3342 return;
3343 }
3344 SYS_DELAY(100);
3345 continue;
3346 }
3347 /*
3348 * We have a pending MBOX async event.
3349 */
3350 if (mbox & 0x8000) {
3351 int fph = isp_parse_async(isp, (int) mbox);
3352 ISP_WRITE(isp, BIU_SEMA, 0);
3353 ISP_WRITE(isp, HCCR, HCCR_CMD_CLEAR_RISC_INT);
3354 if (fph < 0) {
3355 return;
3356 } else if (fph > 0) {
3357 isp_fastpost_complete(isp, fph);
3358 }
3359 SYS_DELAY(100);
3360 continue;
3361 }
3362 break;
3363 }
3364
3365 /*
3366 * Pick up output parameters. Special case some of the readbacks
3367 * for the dual port SCSI cards.
3368 */
3369 if (IS_DUALBUS(isp)) {
3370 switch (opcode) {
3371 case MBOX_GET_RETRY_COUNT:
3372 case MBOX_SET_RETRY_COUNT:
3373 mbp->param[7] = ISP_READ(isp, OUTMAILBOX7);
3374 mbp->param[6] = ISP_READ(isp, OUTMAILBOX6);
3375 break;
3376 case MBOX_GET_TAG_AGE_LIMIT:
3377 case MBOX_SET_TAG_AGE_LIMIT:
3378 case MBOX_GET_ACT_NEG_STATE:
3379 case MBOX_SET_ACT_NEG_STATE:
3380 case MBOX_SET_ASYNC_DATA_SETUP_TIME:
3381 case MBOX_GET_ASYNC_DATA_SETUP_TIME:
3382 case MBOX_GET_RESET_DELAY_PARAMS:
3383 case MBOX_SET_RESET_DELAY_PARAMS:
3384 mbp->param[2] = ISP_READ(isp, OUTMAILBOX2);
3385 break;
3386 }
3387 }
3388
3389 switch (outparam) {
3390 case 8: mbp->param[7] = ISP_READ(isp, OUTMAILBOX7);
3391 case 7: mbp->param[6] = ISP_READ(isp, OUTMAILBOX6);
3392 case 6: mbp->param[5] = ISP_READ(isp, OUTMAILBOX5);
3393 case 5: mbp->param[4] = ISP_READ(isp, OUTMAILBOX4);
3394 case 4: mbp->param[3] = ISP_READ(isp, OUTMAILBOX3);
3395 case 3: mbp->param[2] = ISP_READ(isp, OUTMAILBOX2);
3396 case 2: mbp->param[1] = ISP_READ(isp, OUTMAILBOX1);
3397 case 1: mbp->param[0] = ISP_READ(isp, OUTMAILBOX0);
3398 }
3399
3400 /*
3401 * Clear RISC int.
3402 */
3403 ISP_WRITE(isp, HCCR, HCCR_CMD_CLEAR_RISC_INT);
3404
3405 /*
3406 * Release semaphore on mailbox registers
3407 */
3408 ISP_WRITE(isp, BIU_SEMA, 0);
3409
3410 /*
3411 * Just to be chatty here...
3412 */
3413 switch (mbp->param[0]) {
3414 case MBOX_COMMAND_COMPLETE:
3415 break;
3416 case MBOX_INVALID_COMMAND:
3417 IDPRINTF(2, ("%s: mbox cmd %x failed with INVALID_COMMAND\n",
3418 isp->isp_name, opcode));
3419 break;
3420 case MBOX_HOST_INTERFACE_ERROR:
3421 PRINTF("%s: mbox cmd %x failed with HOST_INTERFACE_ERROR\n",
3422 isp->isp_name, opcode);
3423 break;
3424 case MBOX_TEST_FAILED:
3425 PRINTF("%s: mbox cmd %x failed with TEST_FAILED\n",
3426 isp->isp_name, opcode);
3427 break;
3428 case MBOX_COMMAND_ERROR:
3429 if (opcode != MBOX_ABOUT_FIRMWARE)
3430 PRINTF("%s: mbox cmd %x failed with COMMAND_ERROR\n",
3431 isp->isp_name, opcode);
3432 break;
3433 case MBOX_COMMAND_PARAM_ERROR:
3434 switch (opcode) {
3435 case MBOX_GET_PORT_DB:
3436 case MBOX_GET_PORT_NAME:
3437 case MBOX_GET_DEV_QUEUE_PARAMS:
3438 break;
3439 default:
3440 PRINTF("%s: mbox cmd %x failed with "
3441 "COMMAND_PARAM_ERROR\n", isp->isp_name, opcode);
3442 }
3443 break;
3444
3445 /*
3446 * Be silent about these...
3447 */
3448 case ASYNC_PDB_CHANGED:
3449 ((fcparam *) isp->isp_param)->isp_loopstate = LOOP_PDB_RCVD;
3450 break;
3451
3452 case ASYNC_LIP_OCCURRED:
3453 ((fcparam *) isp->isp_param)->isp_lipseq = mbp->param[1];
3454 /* FALLTHROUGH */
3455 case ASYNC_LOOP_UP:
3456 ((fcparam *) isp->isp_param)->isp_fwstate = FW_CONFIG_WAIT;
3457 ((fcparam *) isp->isp_param)->isp_loopstate = LOOP_LIP_RCVD;
3458 break;
3459
3460 case ASYNC_LOOP_DOWN:
3461 case ASYNC_LOOP_RESET:
3462 ((fcparam *) isp->isp_param)->isp_fwstate = FW_CONFIG_WAIT;
3463 ((fcparam *) isp->isp_param)->isp_loopstate = LOOP_NIL;
3464 /* FALLTHROUGH */
3465 case ASYNC_CHANGE_NOTIFY:
3466 break;
3467
3468 default:
3469 /*
3470 * The expected return of EXEC_FIRMWARE is zero.
3471 */
3472 if ((opcode == MBOX_EXEC_FIRMWARE && mbp->param[0] != 0) ||
3473 (opcode != MBOX_EXEC_FIRMWARE)) {
3474 PRINTF("%s: mbox cmd %x failed with error %x\n",
3475 isp->isp_name, opcode, mbp->param[0]);
3476 }
3477 break;
3478 }
3479 }
3480
3481 void
3482 isp_lostcmd(isp, xs)
3483 struct ispsoftc *isp;
3484 ISP_SCSI_XFER_T *xs;
3485 {
3486 mbreg_t mbs;
3487
3488 mbs.param[0] = MBOX_GET_FIRMWARE_STATUS;
3489 isp_mboxcmd(isp, &mbs);
3490 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
3491 isp_dumpregs(isp, "couldn't GET FIRMWARE STATUS");
3492 return;
3493 }
3494 if (mbs.param[1]) {
3495 PRINTF("%s: %d commands on completion queue\n",
3496 isp->isp_name, mbs.param[1]);
3497 }
3498 if (XS_NULL(xs))
3499 return;
3500
3501 mbs.param[0] = MBOX_GET_DEV_QUEUE_STATUS;
3502 mbs.param[1] = (XS_TGT(xs) << 8) | XS_LUN(xs); /* XXX: WHICH BUS? */
3503 isp_mboxcmd(isp, &mbs);
3504 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
3505 isp_dumpregs(isp, "couldn't GET DEVICE QUEUE STATUS");
3506 return;
3507 }
3508 PRINTF("%s: lost command for target %d lun %d, %d active of %d, "
3509 "Queue State: %x\n", isp->isp_name, XS_TGT(xs),
3510 XS_LUN(xs), mbs.param[2], mbs.param[3], mbs.param[1]);
3511
3512 isp_dumpregs(isp, "lost command");
3513 /*
3514 * XXX: Need to try and do something to recover.
3515 */
3516 }
3517
3518 static void
3519 isp_dumpregs(isp, msg)
3520 struct ispsoftc *isp;
3521 const char *msg;
3522 {
3523 PRINTF("%s: %s\n", isp->isp_name, msg);
3524 if (IS_SCSI(isp))
3525 PRINTF(" biu_conf1=%x", ISP_READ(isp, BIU_CONF1));
3526 else
3527 PRINTF(" biu_csr=%x", ISP_READ(isp, BIU2100_CSR));
3528 PRINTF(" biu_icr=%x biu_isr=%x biu_sema=%x ", ISP_READ(isp, BIU_ICR),
3529 ISP_READ(isp, BIU_ISR), ISP_READ(isp, BIU_SEMA));
3530 PRINTF("risc_hccr=%x\n", ISP_READ(isp, HCCR));
3531
3532
3533 if (IS_SCSI(isp)) {
3534 ISP_WRITE(isp, HCCR, HCCR_CMD_PAUSE);
3535 PRINTF(" cdma_conf=%x cdma_sts=%x cdma_fifostat=%x\n",
3536 ISP_READ(isp, CDMA_CONF), ISP_READ(isp, CDMA_STATUS),
3537 ISP_READ(isp, CDMA_FIFO_STS));
3538 PRINTF(" ddma_conf=%x ddma_sts=%x ddma_fifostat=%x\n",
3539 ISP_READ(isp, DDMA_CONF), ISP_READ(isp, DDMA_STATUS),
3540 ISP_READ(isp, DDMA_FIFO_STS));
3541 PRINTF(" sxp_int=%x sxp_gross=%x sxp(scsi_ctrl)=%x\n",
3542 ISP_READ(isp, SXP_INTERRUPT),
3543 ISP_READ(isp, SXP_GROSS_ERR),
3544 ISP_READ(isp, SXP_PINS_CTRL));
3545 ISP_WRITE(isp, HCCR, HCCR_CMD_RELEASE);
3546 }
3547 PRINTF(" mbox regs: %x %x %x %x %x\n",
3548 ISP_READ(isp, OUTMAILBOX0), ISP_READ(isp, OUTMAILBOX1),
3549 ISP_READ(isp, OUTMAILBOX2), ISP_READ(isp, OUTMAILBOX3),
3550 ISP_READ(isp, OUTMAILBOX4));
3551 ISP_DUMPREGS(isp);
3552 }
3553
3554 static void
3555 isp_fw_state(isp)
3556 struct ispsoftc *isp;
3557 {
3558 mbreg_t mbs;
3559 if (IS_FC(isp)) {
3560 int once = 0;
3561 fcparam *fcp = isp->isp_param;
3562 again:
3563 mbs.param[0] = MBOX_GET_FW_STATE;
3564 isp_mboxcmd(isp, &mbs);
3565 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
3566 IDPRINTF(1, ("%s: isp_fw_state 0x%x\n", isp->isp_name,
3567 mbs.param[0]));
3568 switch (mbs.param[0]) {
3569 case ASYNC_PDB_CHANGED:
3570 if (once++ < 10) {
3571 goto again;
3572 }
3573 fcp->isp_fwstate = FW_CONFIG_WAIT;
3574 fcp->isp_loopstate = LOOP_PDB_RCVD;
3575 goto again;
3576 case ASYNC_LIP_OCCURRED:
3577 fcp->isp_lipseq = mbs.param[1];
3578 /* FALLTHROUGH */
3579 case ASYNC_LOOP_UP:
3580 fcp->isp_fwstate = FW_CONFIG_WAIT;
3581 fcp->isp_loopstate = LOOP_LIP_RCVD;
3582 if (once++ < 10) {
3583 goto again;
3584 }
3585 break;
3586 case ASYNC_LOOP_RESET:
3587 case ASYNC_LOOP_DOWN:
3588 fcp->isp_fwstate = FW_CONFIG_WAIT;
3589 fcp->isp_loopstate = LOOP_NIL;
3590 /* FALLTHROUGH */
3591 case ASYNC_CHANGE_NOTIFY:
3592 if (once++ < 10) {
3593 goto again;
3594 }
3595 break;
3596 }
3597 PRINTF("%s: GET FIRMWARE STATE failed (0x%x)\n",
3598 isp->isp_name, mbs.param[0]);
3599 return;
3600 }
3601 fcp->isp_fwstate = mbs.param[1];
3602 }
3603 }
3604
3605 static void
3606 isp_update(isp)
3607 struct ispsoftc *isp;
3608 {
3609 int bus;
3610
3611 for (bus = 0; isp->isp_update != 0; bus++) {
3612 if (isp->isp_update & (1 << bus)) {
3613 isp_update_bus(isp, bus);
3614 isp->isp_update ^= (1 << bus);
3615 }
3616 }
3617 }
3618
3619 static void
3620 isp_update_bus(isp, bus)
3621 struct ispsoftc *isp;
3622 int bus;
3623 {
3624 int tgt;
3625 mbreg_t mbs;
3626 sdparam *sdp;
3627
3628 if (IS_FC(isp)) {
3629 return;
3630 }
3631
3632 sdp = isp->isp_param;
3633 sdp += bus;
3634
3635 for (tgt = 0; tgt < MAX_TARGETS; tgt++) {
3636 u_int16_t flags, period, offset;
3637 int get;
3638
3639 if (sdp->isp_devparam[tgt].dev_enable == 0) {
3640 IDPRINTF(1, ("%s: skipping target %d bus %d update\n",
3641 isp->isp_name, tgt, bus));
3642 continue;
3643 }
3644
3645 /*
3646 * If the goal is to update the status of the device,
3647 * take what's in dev_flags and try and set the device
3648 * toward that. Otherwise, if we're just refreshing the
3649 * current device state, get the current parameters.
3650 */
3651 if (sdp->isp_devparam[tgt].dev_update) {
3652 mbs.param[0] = MBOX_SET_TARGET_PARAMS;
3653 mbs.param[2] = sdp->isp_devparam[tgt].dev_flags;
3654 /*
3655 * Insist that PARITY must be enabled if SYNC
3656 * is enabled.
3657 */
3658 if (mbs.param[2] & DPARM_SYNC) {
3659 mbs.param[2] |= DPARM_PARITY;
3660 }
3661 mbs.param[3] =
3662 (sdp->isp_devparam[tgt].sync_offset << 8) |
3663 (sdp->isp_devparam[tgt].sync_period);
3664 sdp->isp_devparam[tgt].dev_update = 0;
3665 /*
3666 * A command completion later that has
3667 * RQSTF_NEGOTIATION set will cause
3668 * the dev_refresh/announce cycle.
3669 *
3670 * Note: It is really important to update our current
3671 * flags with at least the state of TAG capabilities-
3672 * otherwise we might try and send a tagged command
3673 * when we have it all turned off. So change it here
3674 * to say that current already matches goal.
3675 */
3676 sdp->isp_devparam[tgt].cur_dflags &= ~DPARM_TQING;
3677 sdp->isp_devparam[tgt].cur_dflags |=
3678 (sdp->isp_devparam[tgt].dev_flags & DPARM_TQING);
3679 sdp->isp_devparam[tgt].dev_refresh = 1;
3680 IDPRINTF(3, ("%s: bus %d set tgt %d flags 0x%x off 0x%x"
3681 " period 0x%x\n", isp->isp_name, bus, tgt,
3682 mbs.param[2], mbs.param[3] >> 8,
3683 mbs.param[3] & 0xff));
3684 get = 0;
3685 } else if (sdp->isp_devparam[tgt].dev_refresh) {
3686 mbs.param[0] = MBOX_GET_TARGET_PARAMS;
3687 sdp->isp_devparam[tgt].dev_refresh = 0;
3688 get = 1;
3689 } else {
3690 continue;
3691 }
3692 mbs.param[1] = (bus << 15) | (tgt << 8) ;
3693 isp_mboxcmd(isp, &mbs);
3694 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
3695 PRINTF("%s: failed to %cet SCSI parameters for "
3696 "target %d\n", isp->isp_name, (get)? 'g' : 's',
3697 tgt);
3698 continue;
3699 }
3700 if (get == 0) {
3701 isp->isp_sendmarker |= (1 << bus);
3702 continue;
3703 }
3704 flags = mbs.param[2];
3705 period = mbs.param[3] & 0xff;
3706 offset = mbs.param[3] >> 8;
3707 sdp->isp_devparam[tgt].cur_dflags = flags;
3708 sdp->isp_devparam[tgt].cur_period = period;
3709 sdp->isp_devparam[tgt].cur_offset = offset;
3710 get = (bus << 16) | tgt;
3711 (void) isp_async(isp, ISPASYNC_NEW_TGT_PARAMS, &get);
3712 }
3713 }
3714
3715 static void
3716 isp_setdfltparm(isp, channel)
3717 struct ispsoftc *isp;
3718 int channel;
3719 {
3720 int tgt;
3721 mbreg_t mbs;
3722 sdparam *sdp, *sdp_chan0, *sdp_chan1;
3723
3724 if (IS_FC(isp)) {
3725 fcparam *fcp = (fcparam *) isp->isp_param;
3726 fcp += channel;
3727 if (fcp->isp_gotdparms) {
3728 return;
3729 }
3730 fcp->isp_gotdparms = 1;
3731 fcp->isp_maxfrmlen = ICB_DFLT_FRMLEN;
3732 fcp->isp_maxalloc = ICB_DFLT_ALLOC;
3733 fcp->isp_execthrottle = ICB_DFLT_THROTTLE;
3734 fcp->isp_retry_delay = ICB_DFLT_RDELAY;
3735 fcp->isp_retry_count = ICB_DFLT_RCOUNT;
3736 /* Platform specific.... */
3737 fcp->isp_loopid = DEFAULT_LOOPID(isp);
3738 fcp->isp_nodewwn = DEFAULT_WWN(isp);
3739 fcp->isp_portwwn = 0;
3740 /*
3741 * Now try and read NVRAM
3742 */
3743 if ((isp->isp_confopts & (ISP_CFG_NONVRAM|ISP_CFG_OWNWWN)) ||
3744 (isp_read_nvram(isp))) {
3745 PRINTF("%s: using Node WWN 0x%08x%08x\n",
3746 isp->isp_name, (u_int32_t)(fcp->isp_nodewwn >> 32),
3747 (u_int32_t)(fcp->isp_nodewwn & 0xffffffff));
3748 }
3749 return;
3750 }
3751
3752 sdp_chan0 = (sdparam *) isp->isp_param;
3753 sdp_chan1 = sdp_chan0 + 1;
3754 sdp = sdp_chan0 + channel;
3755
3756 /*
3757 * Been there, done that, got the T-shirt...
3758 */
3759 if (sdp->isp_gotdparms) {
3760 return;
3761 }
3762 sdp->isp_gotdparms = 1;
3763
3764 /*
3765 * If we've not been told to avoid reading NVRAM, try and read it.
3766 * If we're successful reading it, we can return since NVRAM will
3767 * tell us the right thing to do. Otherwise, establish some reasonable
3768 * defaults.
3769 */
3770 if ((isp->isp_confopts & ISP_CFG_NONVRAM) == 0) {
3771 if (isp_read_nvram(isp) == 0) {
3772 return;
3773 }
3774 }
3775
3776 /*
3777 * Now try and see whether we have specific values for them.
3778 */
3779 mbs.param[0] = MBOX_GET_ACT_NEG_STATE;
3780 isp_mboxcmd(isp, &mbs);
3781 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
3782 IDPRINTF(2, ("could not GET ACT NEG STATE\n"));
3783 sdp_chan0->isp_req_ack_active_neg = 1;
3784 sdp_chan0->isp_data_line_active_neg = 1;
3785 if (IS_DUALBUS(isp)) {
3786 sdp_chan1->isp_req_ack_active_neg = 1;
3787 sdp_chan1->isp_data_line_active_neg = 1;
3788 }
3789 } else {
3790 sdp_chan0->isp_req_ack_active_neg = (mbs.param[1] >> 4) & 0x1;
3791 sdp_chan0->isp_data_line_active_neg = (mbs.param[1] >> 5) & 0x1;
3792 if (IS_DUALBUS(isp)) {
3793 sdp_chan1->isp_req_ack_active_neg =
3794 (mbs.param[2] >> 4) & 0x1;
3795 sdp_chan1->isp_data_line_active_neg =
3796 (mbs.param[2] >> 5) & 0x1;
3797 }
3798 }
3799
3800 /*
3801 * The trick here is to establish a default for the default (honk!)
3802 * state (dev_flags). Then try and get the current status from
3803 * the card to fill in the current state. We don't, in fact, set
3804 * the default to the SAFE default state- that's not the goal state.
3805 */
3806 for (tgt = 0; tgt < MAX_TARGETS; tgt++) {
3807 sdp->isp_devparam[tgt].cur_offset = 0;
3808 sdp->isp_devparam[tgt].cur_period = 0;
3809 sdp->isp_devparam[tgt].dev_flags = DPARM_DEFAULT;
3810 sdp->isp_devparam[tgt].cur_dflags = 0;
3811 if (isp->isp_type < ISP_HA_SCSI_1040 ||
3812 (isp->isp_clock && isp->isp_clock < 60)) {
3813 sdp->isp_devparam[tgt].sync_offset =
3814 ISP_10M_SYNCPARMS >> 8;
3815 sdp->isp_devparam[tgt].sync_period =
3816 ISP_10M_SYNCPARMS & 0xff;
3817 } else if (IS_ULTRA2(isp)) {
3818 sdp->isp_devparam[tgt].sync_offset =
3819 ISP_40M_SYNCPARMS >> 8;
3820 sdp->isp_devparam[tgt].sync_period =
3821 ISP_40M_SYNCPARMS & 0xff;
3822 } else {
3823 sdp->isp_devparam[tgt].sync_offset =
3824 ISP_20M_SYNCPARMS >> 8;
3825 sdp->isp_devparam[tgt].sync_period =
3826 ISP_20M_SYNCPARMS & 0xff;
3827 }
3828
3829 /*
3830 * Don't get current target parameters if we've been
3831 * told not to use NVRAM- it's really the same thing.
3832 */
3833 if (isp->isp_confopts & ISP_CFG_NONVRAM) {
3834 continue;
3835 }
3836
3837 mbs.param[0] = MBOX_GET_TARGET_PARAMS;
3838 mbs.param[1] = tgt << 8;
3839 isp_mboxcmd(isp, &mbs);
3840 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
3841 continue;
3842 }
3843 sdp->isp_devparam[tgt].cur_dflags = mbs.param[2];
3844 sdp->isp_devparam[tgt].dev_flags = mbs.param[2];
3845 sdp->isp_devparam[tgt].cur_period = mbs.param[3] & 0xff;
3846 sdp->isp_devparam[tgt].cur_offset = mbs.param[3] >> 8;
3847
3848 /*
3849 * The maximum period we can really see
3850 * here is 100 (decimal), or 400 ns.
3851 * For some unknown reason we sometimes
3852 * get back wildass numbers from the
3853 * boot device's parameters (alpha only).
3854 */
3855 if ((mbs.param[3] & 0xff) <= 0x64) {
3856 sdp->isp_devparam[tgt].sync_period =
3857 mbs.param[3] & 0xff;
3858 sdp->isp_devparam[tgt].sync_offset =
3859 mbs.param[3] >> 8;
3860 }
3861
3862 /*
3863 * It is not safe to run Ultra Mode with a clock < 60.
3864 */
3865 if (((isp->isp_clock && isp->isp_clock < 60) ||
3866 (isp->isp_type < ISP_HA_SCSI_1020A)) &&
3867 (sdp->isp_devparam[tgt].sync_period <=
3868 (ISP_20M_SYNCPARMS & 0xff))) {
3869 sdp->isp_devparam[tgt].sync_offset =
3870 ISP_10M_SYNCPARMS >> 8;
3871 sdp->isp_devparam[tgt].sync_period =
3872 ISP_10M_SYNCPARMS & 0xff;
3873 }
3874 }
3875
3876 /*
3877 * Establish default some more default parameters.
3878 */
3879 sdp->isp_cmd_dma_burst_enable = 1;
3880 sdp->isp_data_dma_burst_enabl = 1;
3881 sdp->isp_fifo_threshold = 0;
3882 sdp->isp_initiator_id = 7;
3883 /* XXXX This is probably based upon clock XXXX */
3884 if (isp->isp_type >= ISP_HA_SCSI_1040) {
3885 sdp->isp_async_data_setup = 9;
3886 } else {
3887 sdp->isp_async_data_setup = 6;
3888 }
3889 sdp->isp_selection_timeout = 250;
3890 sdp->isp_max_queue_depth = MAXISPREQUEST;
3891 sdp->isp_tag_aging = 8;
3892 sdp->isp_bus_reset_delay = 3;
3893 sdp->isp_retry_count = 2;
3894 sdp->isp_retry_delay = 2;
3895
3896 for (tgt = 0; tgt < MAX_TARGETS; tgt++) {
3897 sdp->isp_devparam[tgt].exc_throttle = 16;
3898 sdp->isp_devparam[tgt].dev_enable = 1;
3899 }
3900 }
3901
3902 /*
3903 * Re-initialize the ISP and complete all orphaned commands
3904 * with a 'botched' notice. The reset/init routines should
3905 * not disturb an already active list of commands.
3906 *
3907 * Locks held prior to coming here.
3908 */
3909
3910 void
3911 isp_restart(isp)
3912 struct ispsoftc *isp;
3913 {
3914 ISP_SCSI_XFER_T *xs;
3915 u_int32_t handle;
3916
3917 #if 0
3918 isp->isp_gotdparms = 0;
3919 #endif
3920 isp_reset(isp);
3921 if (isp->isp_state == ISP_RESETSTATE) {
3922 isp_init(isp);
3923 if (isp->isp_state == ISP_INITSTATE) {
3924 isp->isp_state = ISP_RUNSTATE;
3925 }
3926 }
3927 if (isp->isp_state != ISP_RUNSTATE) {
3928 PRINTF("%s: isp_restart cannot restart ISP\n", isp->isp_name);
3929 }
3930 isp->isp_nactive = 0;
3931
3932 for (handle = 1; handle <= (int) isp->isp_maxcmds; handle++) {
3933 xs = isp_find_xs(isp, handle);
3934 if (xs == NULL) {
3935 continue;
3936 }
3937 isp_destroy_handle(isp, handle);
3938 if (XS_XFRLEN(xs)) {
3939 ISP_DMAFREE(isp, xs, handle);
3940 XS_RESID(xs) = XS_XFRLEN(xs);
3941 } else {
3942 XS_RESID(xs) = 0;
3943 }
3944 XS_SETERR(xs, HBA_BUSRESET);
3945 XS_CMD_DONE(xs);
3946 }
3947 }
3948
3949 /*
3950 * NVRAM Routines
3951 */
3952
3953 static int
3954 isp_read_nvram(isp)
3955 struct ispsoftc *isp;
3956 {
3957 static char *tru = "true";
3958 static char *not = "false";
3959 int i, amt;
3960 u_int8_t csum, minversion;
3961 union {
3962 u_int8_t _x[ISP2100_NVRAM_SIZE];
3963 u_int16_t _s[ISP2100_NVRAM_SIZE>>1];
3964 } _n;
3965 #define nvram_data _n._x
3966 #define nvram_words _n._s
3967
3968 if (IS_FC(isp)) {
3969 amt = ISP2100_NVRAM_SIZE;
3970 minversion = 1;
3971 } else if (IS_ULTRA2(isp)) {
3972 amt = ISP1080_NVRAM_SIZE;
3973 minversion = 0;
3974 } else {
3975 amt = ISP_NVRAM_SIZE;
3976 minversion = 2;
3977 }
3978
3979 /*
3980 * Just read the first two words first to see if we have a valid
3981 * NVRAM to continue reading the rest with.
3982 */
3983 for (i = 0; i < 2; i++) {
3984 isp_rdnvram_word(isp, i, &nvram_words[i]);
3985 }
3986 if (nvram_data[0] != 'I' || nvram_data[1] != 'S' ||
3987 nvram_data[2] != 'P') {
3988 if (isp->isp_bustype != ISP_BT_SBUS) {
3989 PRINTF("%s: invalid NVRAM header (%x,%x,%x,%x)\n",
3990 isp->isp_name, nvram_data[0], nvram_data[1],
3991 nvram_data[2], nvram_data[3]);
3992 }
3993 return (-1);
3994 }
3995 for (i = 2; i < amt>>1; i++) {
3996 isp_rdnvram_word(isp, i, &nvram_words[i]);
3997 }
3998 for (csum = 0, i = 0; i < amt; i++) {
3999 csum += nvram_data[i];
4000 }
4001 if (csum != 0) {
4002 PRINTF("%s: invalid NVRAM checksum\n", isp->isp_name);
4003 return (-1);
4004 }
4005 if (ISP_NVRAM_VERSION(nvram_data) < minversion) {
4006 PRINTF("%s: version %d NVRAM not understood\n", isp->isp_name,
4007 ISP_NVRAM_VERSION(nvram_data));
4008 return (-1);
4009 }
4010
4011 if (IS_ULTRA2(isp)) {
4012 int bus;
4013 sdparam *sdp = (sdparam *) isp->isp_param;
4014 for (bus = 0; bus < (IS_DUALBUS(isp)? 2 : 1); bus++, sdp++) {
4015 sdp->isp_fifo_threshold =
4016 ISP1080_NVRAM_FIFO_THRESHOLD(nvram_data);
4017
4018 sdp->isp_initiator_id =
4019 ISP1080_NVRAM_INITIATOR_ID(nvram_data, bus);
4020
4021 sdp->isp_bus_reset_delay =
4022 ISP1080_NVRAM_BUS_RESET_DELAY(nvram_data, bus);
4023
4024 sdp->isp_retry_count =
4025 ISP1080_NVRAM_BUS_RETRY_COUNT(nvram_data, bus);
4026
4027 sdp->isp_retry_delay =
4028 ISP1080_NVRAM_BUS_RETRY_DELAY(nvram_data, bus);
4029
4030 sdp->isp_async_data_setup =
4031 ISP1080_NVRAM_ASYNC_DATA_SETUP_TIME(nvram_data,
4032 bus);
4033
4034 sdp->isp_req_ack_active_neg =
4035 ISP1080_NVRAM_REQ_ACK_ACTIVE_NEGATION(nvram_data,
4036 bus);
4037
4038 sdp->isp_data_line_active_neg =
4039 ISP1080_NVRAM_DATA_LINE_ACTIVE_NEGATION(nvram_data,
4040 bus);
4041
4042 sdp->isp_data_dma_burst_enabl =
4043 ISP1080_NVRAM_BURST_ENABLE(nvram_data);
4044
4045 sdp->isp_cmd_dma_burst_enable =
4046 ISP1080_NVRAM_BURST_ENABLE(nvram_data);
4047
4048 sdp->isp_selection_timeout =
4049 ISP1080_NVRAM_SELECTION_TIMEOUT(nvram_data, bus);
4050
4051 sdp->isp_max_queue_depth =
4052 ISP1080_NVRAM_MAX_QUEUE_DEPTH(nvram_data, bus);
4053
4054 if (isp->isp_dblev >= 3) {
4055 PRINTF("%s: ISP1080 bus %d NVRAM values:\n",
4056 isp->isp_name, bus);
4057 PRINTF(" Initiator ID = %d\n",
4058 sdp->isp_initiator_id);
4059 PRINTF(" Fifo Threshold = 0x%x\n",
4060 sdp->isp_fifo_threshold);
4061 PRINTF(" Bus Reset Delay = %d\n",
4062 sdp->isp_bus_reset_delay);
4063 PRINTF(" Retry Count = %d\n",
4064 sdp->isp_retry_count);
4065 PRINTF(" Retry Delay = %d\n",
4066 sdp->isp_retry_delay);
4067 PRINTF(" Tag Age Limit = %d\n",
4068 sdp->isp_tag_aging);
4069 PRINTF(" Selection Timeout = %d\n",
4070 sdp->isp_selection_timeout);
4071 PRINTF(" Max Queue Depth = %d\n",
4072 sdp->isp_max_queue_depth);
4073 PRINTF(" Async Data Setup = 0x%x\n",
4074 sdp->isp_async_data_setup);
4075 PRINTF(" REQ/ACK Active Negation = %s\n",
4076 sdp->isp_req_ack_active_neg? tru : not);
4077 PRINTF(" Data Line Active Negation = %s\n",
4078 sdp->isp_data_line_active_neg? tru : not);
4079 PRINTF(" Cmd DMA Burst Enable = %s\n",
4080 sdp->isp_cmd_dma_burst_enable? tru : not);
4081 }
4082 for (i = 0; i < MAX_TARGETS; i++) {
4083 sdp->isp_devparam[i].dev_enable =
4084 ISP1080_NVRAM_TGT_DEVICE_ENABLE(nvram_data, i, bus);
4085 sdp->isp_devparam[i].exc_throttle =
4086 ISP1080_NVRAM_TGT_EXEC_THROTTLE(nvram_data, i, bus);
4087 sdp->isp_devparam[i].sync_offset =
4088 ISP1080_NVRAM_TGT_SYNC_OFFSET(nvram_data, i, bus);
4089 sdp->isp_devparam[i].sync_period =
4090 ISP1080_NVRAM_TGT_SYNC_PERIOD(nvram_data, i, bus);
4091 sdp->isp_devparam[i].dev_flags = 0;
4092 if (ISP1080_NVRAM_TGT_RENEG(nvram_data, i, bus))
4093 sdp->isp_devparam[i].dev_flags |= DPARM_RENEG;
4094 if (ISP1080_NVRAM_TGT_QFRZ(nvram_data, i, bus)) {
4095 PRINTF("%s: not supporting QFRZ option "
4096 "for target %d bus %d\n",
4097 isp->isp_name, i, bus);
4098 }
4099 sdp->isp_devparam[i].dev_flags |= DPARM_ARQ;
4100 if (ISP1080_NVRAM_TGT_ARQ(nvram_data, i, bus) == 0) {
4101 PRINTF("%s: not disabling ARQ option "
4102 "for target %d bus %d\n",
4103 isp->isp_name, i, bus);
4104 }
4105 if (ISP1080_NVRAM_TGT_TQING(nvram_data, i, bus))
4106 sdp->isp_devparam[i].dev_flags |= DPARM_TQING;
4107 if (ISP1080_NVRAM_TGT_SYNC(nvram_data, i, bus))
4108 sdp->isp_devparam[i].dev_flags |= DPARM_SYNC;
4109 if (ISP1080_NVRAM_TGT_WIDE(nvram_data, i, bus))
4110 sdp->isp_devparam[i].dev_flags |= DPARM_WIDE;
4111 if (ISP1080_NVRAM_TGT_PARITY(nvram_data, i, bus))
4112 sdp->isp_devparam[i].dev_flags |= DPARM_PARITY;
4113 if (ISP1080_NVRAM_TGT_DISC(nvram_data, i, bus))
4114 sdp->isp_devparam[i].dev_flags |= DPARM_DISC;
4115 sdp->isp_devparam[i].cur_dflags = 0;
4116 if (isp->isp_dblev >= 3) {
4117 PRINTF(" Target %d: Ena %d Throttle "
4118 "%d Offset %d Period %d Flags "
4119 "0x%x\n", i,
4120 sdp->isp_devparam[i].dev_enable,
4121 sdp->isp_devparam[i].exc_throttle,
4122 sdp->isp_devparam[i].sync_offset,
4123 sdp->isp_devparam[i].sync_period,
4124 sdp->isp_devparam[i].dev_flags);
4125 }
4126 }
4127 }
4128 } else if (IS_SCSI(isp)) {
4129 sdparam *sdp = (sdparam *) isp->isp_param;
4130
4131 sdp->isp_fifo_threshold =
4132 ISP_NVRAM_FIFO_THRESHOLD(nvram_data) |
4133 (ISP_NVRAM_FIFO_THRESHOLD_128(nvram_data) << 2);
4134
4135 sdp->isp_initiator_id =
4136 ISP_NVRAM_INITIATOR_ID(nvram_data);
4137
4138 sdp->isp_bus_reset_delay =
4139 ISP_NVRAM_BUS_RESET_DELAY(nvram_data);
4140
4141 sdp->isp_retry_count =
4142 ISP_NVRAM_BUS_RETRY_COUNT(nvram_data);
4143
4144 sdp->isp_retry_delay =
4145 ISP_NVRAM_BUS_RETRY_DELAY(nvram_data);
4146
4147 sdp->isp_async_data_setup =
4148 ISP_NVRAM_ASYNC_DATA_SETUP_TIME(nvram_data);
4149
4150 if (isp->isp_type >= ISP_HA_SCSI_1040) {
4151 if (sdp->isp_async_data_setup < 9) {
4152 sdp->isp_async_data_setup = 9;
4153 }
4154 } else {
4155 if (sdp->isp_async_data_setup != 6) {
4156 sdp->isp_async_data_setup = 6;
4157 }
4158 }
4159
4160 sdp->isp_req_ack_active_neg =
4161 ISP_NVRAM_REQ_ACK_ACTIVE_NEGATION(nvram_data);
4162
4163 sdp->isp_data_line_active_neg =
4164 ISP_NVRAM_DATA_LINE_ACTIVE_NEGATION(nvram_data);
4165
4166 sdp->isp_data_dma_burst_enabl =
4167 ISP_NVRAM_DATA_DMA_BURST_ENABLE(nvram_data);
4168
4169 sdp->isp_cmd_dma_burst_enable =
4170 ISP_NVRAM_CMD_DMA_BURST_ENABLE(nvram_data);
4171
4172 sdp->isp_tag_aging =
4173 ISP_NVRAM_TAG_AGE_LIMIT(nvram_data);
4174
4175 sdp->isp_selection_timeout =
4176 ISP_NVRAM_SELECTION_TIMEOUT(nvram_data);
4177
4178 sdp->isp_max_queue_depth =
4179 ISP_NVRAM_MAX_QUEUE_DEPTH(nvram_data);
4180
4181 isp->isp_fast_mttr = ISP_NVRAM_FAST_MTTR_ENABLE(nvram_data);
4182 if (isp->isp_dblev > 2) {
4183 PRINTF("%s: NVRAM values:\n", isp->isp_name);
4184 PRINTF(" Fifo Threshold = 0x%x\n",
4185 sdp->isp_fifo_threshold);
4186 PRINTF(" Bus Reset Delay = %d\n",
4187 sdp->isp_bus_reset_delay);
4188 PRINTF(" Retry Count = %d\n",
4189 sdp->isp_retry_count);
4190 PRINTF(" Retry Delay = %d\n",
4191 sdp->isp_retry_delay);
4192 PRINTF(" Tag Age Limit = %d\n",
4193 sdp->isp_tag_aging);
4194 PRINTF(" Selection Timeout = %d\n",
4195 sdp->isp_selection_timeout);
4196 PRINTF(" Max Queue Depth = %d\n",
4197 sdp->isp_max_queue_depth);
4198 PRINTF(" Async Data Setup = 0x%x\n",
4199 sdp->isp_async_data_setup);
4200 PRINTF(" REQ/ACK Active Negation = %s\n",
4201 sdp->isp_req_ack_active_neg? tru : not);
4202 PRINTF(" Data Line Active Negation = %s\n",
4203 sdp->isp_data_line_active_neg? tru : not);
4204 PRINTF(" Data DMA Burst Enable = %s\n",
4205 sdp->isp_data_dma_burst_enabl? tru : not);
4206 PRINTF(" Cmd DMA Burst Enable = %s\n",
4207 sdp->isp_cmd_dma_burst_enable? tru : not);
4208 PRINTF(" Fast MTTR = %s\n",
4209 isp->isp_fast_mttr? tru : not);
4210 }
4211 for (i = 0; i < MAX_TARGETS; i++) {
4212 sdp->isp_devparam[i].dev_enable =
4213 ISP_NVRAM_TGT_DEVICE_ENABLE(nvram_data, i);
4214 sdp->isp_devparam[i].exc_throttle =
4215 ISP_NVRAM_TGT_EXEC_THROTTLE(nvram_data, i);
4216 sdp->isp_devparam[i].sync_offset =
4217 ISP_NVRAM_TGT_SYNC_OFFSET(nvram_data, i);
4218 sdp->isp_devparam[i].sync_period =
4219 ISP_NVRAM_TGT_SYNC_PERIOD(nvram_data, i);
4220
4221 if (isp->isp_type < ISP_HA_SCSI_1040) {
4222 /*
4223 * If we're not ultra, we can't possibly
4224 * be a shorter period than this.
4225 */
4226 if (sdp->isp_devparam[i].sync_period < 0x19) {
4227 sdp->isp_devparam[i].sync_period =
4228 0x19;
4229 }
4230 if (sdp->isp_devparam[i].sync_offset > 0xc) {
4231 sdp->isp_devparam[i].sync_offset =
4232 0x0c;
4233 }
4234 } else {
4235 if (sdp->isp_devparam[i].sync_offset > 0x8) {
4236 sdp->isp_devparam[i].sync_offset = 0x8;
4237 }
4238 }
4239 sdp->isp_devparam[i].dev_flags = 0;
4240 if (ISP_NVRAM_TGT_RENEG(nvram_data, i))
4241 sdp->isp_devparam[i].dev_flags |= DPARM_RENEG;
4242 if (ISP_NVRAM_TGT_QFRZ(nvram_data, i)) {
4243 PRINTF("%s: not supporting QFRZ option for "
4244 "target %d\n", isp->isp_name, i);
4245 }
4246 sdp->isp_devparam[i].dev_flags |= DPARM_ARQ;
4247 if (ISP_NVRAM_TGT_ARQ(nvram_data, i) == 0) {
4248 PRINTF("%s: not disabling ARQ option for "
4249 "target %d\n", isp->isp_name, i);
4250 }
4251 if (ISP_NVRAM_TGT_TQING(nvram_data, i))
4252 sdp->isp_devparam[i].dev_flags |= DPARM_TQING;
4253 if (ISP_NVRAM_TGT_SYNC(nvram_data, i))
4254 sdp->isp_devparam[i].dev_flags |= DPARM_SYNC;
4255 if (ISP_NVRAM_TGT_WIDE(nvram_data, i))
4256 sdp->isp_devparam[i].dev_flags |= DPARM_WIDE;
4257 if (ISP_NVRAM_TGT_PARITY(nvram_data, i))
4258 sdp->isp_devparam[i].dev_flags |= DPARM_PARITY;
4259 if (ISP_NVRAM_TGT_DISC(nvram_data, i))
4260 sdp->isp_devparam[i].dev_flags |= DPARM_DISC;
4261 sdp->isp_devparam[i].cur_dflags = 0; /* we don't know */
4262 if (isp->isp_dblev > 2) {
4263 PRINTF(" Target %d: Enabled %d Throttle %d "
4264 "Offset %d Period %d Flags 0x%x\n", i,
4265 sdp->isp_devparam[i].dev_enable,
4266 sdp->isp_devparam[i].exc_throttle,
4267 sdp->isp_devparam[i].sync_offset,
4268 sdp->isp_devparam[i].sync_period,
4269 sdp->isp_devparam[i].dev_flags);
4270 }
4271 }
4272 } else {
4273 fcparam *fcp = (fcparam *) isp->isp_param;
4274 union {
4275 struct {
4276 #if BYTE_ORDER == BIG_ENDIAN
4277 u_int32_t hi32;
4278 u_int32_t lo32;
4279 #else
4280 u_int32_t lo32;
4281 u_int32_t hi32;
4282 #endif
4283 } wd;
4284 u_int64_t full64;
4285 } wwnstore;
4286
4287 wwnstore.full64 = ISP2100_NVRAM_NODE_NAME(nvram_data);
4288 /*
4289 * Broken PTI cards with nothing in the top nibble. Pah.
4290 */
4291 if ((wwnstore.wd.hi32 >> 28) == 0) {
4292 wwnstore.wd.hi32 |= (2 << 28);
4293 CFGPRINTF("%s: (corrected) Adapter WWN 0x%08x%08x\n",
4294 isp->isp_name, wwnstore.wd.hi32, wwnstore.wd.lo32);
4295 } else {
4296 CFGPRINTF("%s: Adapter WWN 0x%08x%08x\n", isp->isp_name,
4297 wwnstore.wd.hi32, wwnstore.wd.lo32);
4298 }
4299 fcp->isp_nodewwn = wwnstore.full64;
4300
4301 /*
4302 * If the Node WWN has 2 in the top nibble, we can
4303 * authoritatively construct a Port WWN by adding
4304 * our unit number (plus one to make it nonzero) and
4305 * putting it into bits 59..56. If the top nibble isn't
4306 * 2, then we just set them identically.
4307 */
4308 if ((fcp->isp_nodewwn >> 60) == 2) {
4309 fcp->isp_portwwn = fcp->isp_nodewwn |
4310 (((u_int64_t)(isp->isp_unit+1)) << 56);
4311 } else {
4312 fcp->isp_portwwn = fcp->isp_nodewwn;
4313 }
4314 wwnstore.full64 = ISP2100_NVRAM_BOOT_NODE_NAME(nvram_data);
4315 if (wwnstore.full64 != 0) {
4316 PRINTF("%s: BOOT DEVICE WWN 0x%08x%08x\n",
4317 isp->isp_name, wwnstore.wd.hi32, wwnstore.wd.lo32);
4318 }
4319 fcp->isp_maxalloc =
4320 ISP2100_NVRAM_MAXIOCBALLOCATION(nvram_data);
4321 fcp->isp_maxfrmlen =
4322 ISP2100_NVRAM_MAXFRAMELENGTH(nvram_data);
4323 fcp->isp_retry_delay =
4324 ISP2100_NVRAM_RETRY_DELAY(nvram_data);
4325 fcp->isp_retry_count =
4326 ISP2100_NVRAM_RETRY_COUNT(nvram_data);
4327 fcp->isp_loopid =
4328 ISP2100_NVRAM_HARDLOOPID(nvram_data);
4329 fcp->isp_execthrottle =
4330 ISP2100_NVRAM_EXECUTION_THROTTLE(nvram_data);
4331 fcp->isp_fwoptions = ISP2100_NVRAM_OPTIONS(nvram_data);
4332 if (isp->isp_dblev > 2) {
4333 PRINTF("%s: NVRAM values:\n", isp->isp_name);
4334 PRINTF(" Max IOCB Allocation = %d\n",
4335 fcp->isp_maxalloc);
4336 PRINTF(" Max Frame Length = %d\n",
4337 fcp->isp_maxfrmlen);
4338 PRINTF(" Execution Throttle = %d\n",
4339 fcp->isp_execthrottle);
4340 PRINTF(" Retry Count = %d\n",
4341 fcp->isp_retry_count);
4342 PRINTF(" Retry Delay = %d\n",
4343 fcp->isp_retry_delay);
4344 PRINTF(" Hard Loop ID = %d\n",
4345 fcp->isp_loopid);
4346 PRINTF(" Options = 0x%x\n",
4347 fcp->isp_fwoptions);
4348 PRINTF(" HBA Options = 0x%x\n",
4349 ISP2100_NVRAM_HBA_OPTIONS(nvram_data));
4350 }
4351 }
4352 IDPRINTF(3, ("%s: NVRAM is valid\n", isp->isp_name));
4353 return (0);
4354 }
4355
4356 static void
4357 isp_rdnvram_word(isp, wo, rp)
4358 struct ispsoftc *isp;
4359 int wo;
4360 u_int16_t *rp;
4361 {
4362 int i, cbits;
4363 u_int16_t bit, rqst;
4364
4365 ISP_WRITE(isp, BIU_NVRAM, BIU_NVRAM_SELECT);
4366 SYS_DELAY(2);
4367 ISP_WRITE(isp, BIU_NVRAM, BIU_NVRAM_SELECT|BIU_NVRAM_CLOCK);
4368 SYS_DELAY(2);
4369
4370 if (IS_FC(isp)) {
4371 wo &= ((ISP2100_NVRAM_SIZE >> 1) - 1);
4372 rqst = (ISP_NVRAM_READ << 8) | wo;
4373 cbits = 10;
4374 } else if (IS_ULTRA2(isp)) {
4375 wo &= ((ISP1080_NVRAM_SIZE >> 1) - 1);
4376 rqst = (ISP_NVRAM_READ << 8) | wo;
4377 cbits = 10;
4378 } else {
4379 wo &= ((ISP_NVRAM_SIZE >> 1) - 1);
4380 rqst = (ISP_NVRAM_READ << 6) | wo;
4381 cbits = 8;
4382 }
4383
4384 /*
4385 * Clock the word select request out...
4386 */
4387 for (i = cbits; i >= 0; i--) {
4388 if ((rqst >> i) & 1) {
4389 bit = BIU_NVRAM_SELECT | BIU_NVRAM_DATAOUT;
4390 } else {
4391 bit = BIU_NVRAM_SELECT;
4392 }
4393 ISP_WRITE(isp, BIU_NVRAM, bit);
4394 SYS_DELAY(2);
4395 ISP_WRITE(isp, BIU_NVRAM, bit | BIU_NVRAM_CLOCK);
4396 SYS_DELAY(2);
4397 ISP_WRITE(isp, BIU_NVRAM, bit);
4398 SYS_DELAY(2);
4399 }
4400 /*
4401 * Now read the result back in (bits come back in MSB format).
4402 */
4403 *rp = 0;
4404 for (i = 0; i < 16; i++) {
4405 u_int16_t rv;
4406 *rp <<= 1;
4407 ISP_WRITE(isp, BIU_NVRAM, BIU_NVRAM_SELECT|BIU_NVRAM_CLOCK);
4408 SYS_DELAY(2);
4409 rv = ISP_READ(isp, BIU_NVRAM);
4410 if (rv & BIU_NVRAM_DATAIN) {
4411 *rp |= 1;
4412 }
4413 SYS_DELAY(2);
4414 ISP_WRITE(isp, BIU_NVRAM, BIU_NVRAM_SELECT);
4415 SYS_DELAY(2);
4416 }
4417 ISP_WRITE(isp, BIU_NVRAM, 0);
4418 SYS_DELAY(2);
4419 #if BYTE_ORDER == BIG_ENDIAN
4420 *rp = ((*rp >> 8) | ((*rp & 0xff) << 8));
4421 #endif
4422 }
4423