isp.c revision 1.30 1 /* $NetBSD: isp.c,v 1.30 1999/01/10 05:07:53 mjacob Exp $ */
2 /* release_12_28_98_A+ */
3 /*
4 * Machine and OS Independent (well, as best as possible)
5 * code for the Qlogic ISP SCSI adapters.
6 *
7 *---------------------------------------
8 * Copyright (c) 1997, 1998 by Matthew Jacob
9 * NASA/Ames Research Center
10 * All rights reserved.
11 *---------------------------------------
12 *
13 * Redistribution and use in source and binary forms, with or without
14 * modification, are permitted provided that the following conditions
15 * are met:
16 * 1. Redistributions of source code must retain the above copyright
17 * notice immediately at the beginning of the file, without modification,
18 * this list of conditions, and the following disclaimer.
19 * 2. Redistributions in binary form must reproduce the above copyright
20 * notice, this list of conditions and the following disclaimer in the
21 * documentation and/or other materials provided with the distribution.
22 * 3. The name of the author may not be used to endorse or promote products
23 * derived from this software without specific prior written permission.
24 *
25 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
28 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
29 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 * SUCH DAMAGE.
36 */
37
38 /*
39 * Inspiration and ideas about this driver are from Erik Moe's Linux driver
40 * (qlogicisp.c) and Dave Miller's SBus version of same (qlogicisp.c). Some
41 * ideas dredged from the Solaris driver.
42 */
43
44 /*
45 * Include header file appropriate for platform we're building on.
46 */
47
48 #ifdef __NetBSD__
49 #include <dev/ic/isp_netbsd.h>
50 #endif
51 #ifdef __FreeBSD__
52 #include <dev/isp/isp_freebsd.h>
53 #endif
54 #ifdef __linux__
55 #include "isp_linux.h"
56 #endif
57
58 /*
59 * General defines
60 */
61
62 #define MBOX_DELAY_COUNT 1000000 / 100
63
64 /*
65 * Local static data
66 */
67 #ifdef ISP_TARGET_MODE
68 static const char tgtiqd[36] = {
69 0x03, 0x00, 0x02, 0x02, 0x00, 0x00, 0x00, 0x00,
70 0x51, 0x4C, 0x4F, 0x47, 0x49, 0x43, 0x20, 0x20,
71 #ifdef __NetBSD__
72 0x4E, 0x45, 0x54, 0x42, 0x53, 0x44, 0x20, 0x20,
73 #else
74 # ifdef __FreeBSD__
75 0x46, 0x52, 0x45, 0x45, 0x42, 0x52, 0x44, 0x20,
76 # else
77 # ifdef linux
78 0x4C, 0x49, 0x4E, 0x55, 0x58, 0x20, 0x20, 0x20,
79 # else
80 # endif
81 # endif
82 #endif
83 0x54, 0x41, 0x52, 0x47, 0x45, 0x54, 0x20, 0x20,
84 0x20, 0x20, 0x20, 0x31
85 };
86 #endif
87
88
89 /*
90 * Local function prototypes.
91 */
92 static int isp_parse_async __P((struct ispsoftc *, int));
93 static int isp_handle_other_response
94 __P((struct ispsoftc *, ispstatusreq_t *, u_int8_t *));
95 #ifdef ISP_TARGET_MODE
96 static int isp_modify_lun __P((struct ispsoftc *, int, int, int));
97 static void isp_notify_ack __P((struct ispsoftc *, void *));
98 static void isp_handle_atio __P((struct ispsoftc *, void *));
99 static void isp_handle_atio2 __P((struct ispsoftc *, void *));
100 static void isp_handle_ctio __P((struct ispsoftc *, void *));
101 static void isp_handle_ctio2 __P((struct ispsoftc *, void *));
102 #endif
103 static void isp_parse_status
104 __P((struct ispsoftc *, ispstatusreq_t *, ISP_SCSI_XFER_T *));
105 static void isp_fibre_init __P((struct ispsoftc *));
106 static void isp_fw_state __P((struct ispsoftc *));
107 static void isp_dumpregs __P((struct ispsoftc *, const char *));
108 static void isp_dumpxflist __P((struct ispsoftc *));
109 static void isp_prtstst __P((ispstatusreq_t *));
110 static char *isp2100_fw_statename __P((int));
111 static void isp_mboxcmd __P((struct ispsoftc *, mbreg_t *));
112
113 static void isp_update __P((struct ispsoftc *));
114 static void isp_setdfltparm __P((struct ispsoftc *));
115 static int isp_read_nvram __P((struct ispsoftc *));
116 static void isp_rdnvram_word __P((struct ispsoftc *, int, u_int16_t *));
117
118 /*
119 * Reset Hardware.
120 *
121 * Hit the chip over the head, download new f/w.
122 *
123 * Locking done elsewhere.
124 */
125 void
126 isp_reset(isp)
127 struct ispsoftc *isp;
128 {
129 static char once = 1;
130 mbreg_t mbs;
131 int loops, i, dodnld = 1, deadchip;
132 char *revname;
133
134 isp->isp_state = ISP_NILSTATE;
135
136 /*
137 * Basic types (SCSI, FibreChannel and PCI or SBus)
138 * have been set in the MD code. We figure out more
139 * here.
140 */
141 isp->isp_dblev = DFLT_DBLEVEL;
142 deadchip = ISP_READ(isp, HCCR) & HCCR_RESET;
143 if (deadchip) {
144 ISP_WRITE(isp, HCCR, HCCR_CMD_RELEASE);
145 if (ISP_READ(isp, HCCR) & HCCR_RESET) {
146 isp_dumpregs(isp, "still reset after release");
147 SYS_DELAY(1000);
148 } else {
149 deadchip = 1;
150 }
151 }
152
153 if (isp->isp_type & ISP_HA_FC) {
154 revname = "2100";
155 } else {
156 sdparam *sdp = isp->isp_param;
157 i = ISP_READ(isp, BIU_CONF0) & BIU_CONF0_HW_MASK;
158 switch (i) {
159 default:
160 PRINTF("%s: unknown chip rev. 0x%x- assuming a 1020\n",
161 isp->isp_name, i);
162 /* FALLTHROUGH */
163 case 1:
164 revname = "1020";
165 isp->isp_type = ISP_HA_SCSI_1020;
166 sdp->isp_clock = 40;
167 break;
168 case 2:
169 /*
170 * Some 1020A chips are Ultra Capable, but don't
171 * run the clock rate up for that unless told to
172 * do so by the Ultra Capable bits being set.
173 */
174 revname = "1020A";
175 isp->isp_type = ISP_HA_SCSI_1020A;
176 sdp->isp_clock = 40;
177 break;
178 case 3:
179 revname = "1040";
180 isp->isp_type = ISP_HA_SCSI_1040;
181 sdp->isp_clock = 60;
182 break;
183 case 4:
184 revname = "1040A";
185 isp->isp_type = ISP_HA_SCSI_1040A;
186 sdp->isp_clock = 60;
187 break;
188 case 5:
189 revname = "1040B";
190 isp->isp_type = ISP_HA_SCSI_1040B;
191 sdp->isp_clock = 60;
192 break;
193 }
194 /*
195 * Try and figure out if we're connected to a differential bus.
196 * You have to pause the RISC processor to read SXP registers.
197 */
198 if (deadchip == 0) {
199 ISP_WRITE(isp, HCCR, HCCR_CMD_PAUSE);
200 i = 100;
201 while ((ISP_READ(isp, HCCR) & HCCR_PAUSE) == 0) {
202 SYS_DELAY(20);
203 if (--i == 0) {
204 isp_dumpregs(isp,
205 "cannot stop RISC processor");
206 i = -1;
207 break;
208 }
209 }
210 } else {
211 i = 0;
212 }
213 if (i > 0) {
214 if (isp->isp_bustype != ISP_BT_SBUS) {
215 ISP_SETBITS(isp, BIU_CONF1, BIU_PCI_CONF1_SXP);
216 }
217 if (ISP_READ(isp, SXP_PINS_DIFF) & SXP_PINS_DIFF_MODE) {
218 IDPRINTF(2, ("%s: Differential Mode Set\n",
219 isp->isp_name));
220 sdp->isp_diffmode = 1;
221 } else {
222 sdp->isp_diffmode = 0;
223 }
224
225 if (isp->isp_bustype != ISP_BT_SBUS) {
226 ISP_CLRBITS(isp, BIU_CONF1, BIU_PCI_CONF1_SXP);
227 }
228
229 /*
230 * Figure out whether we're ultra capable.
231 */
232 i = ISP_READ(isp, RISC_PSR);
233 if (isp->isp_bustype != ISP_BT_SBUS) {
234 i &= RISC_PSR_PCI_ULTRA;
235 } else {
236 i &= RISC_PSR_SBUS_ULTRA;
237 }
238 if (i) {
239 IDPRINTF(2, ("%s: Ultra Mode Capable\n",
240 isp->isp_name));
241 sdp->isp_clock = 60;
242 } else {
243 sdp->isp_clock = 40;
244 }
245 /*
246 * Restart processor, if necessary.
247 */
248 if (deadchip == 0)
249 ISP_WRITE(isp, HCCR, HCCR_CMD_RELEASE);
250 }
251 /*
252 * Machine dependent clock (if set) overrides
253 * our generic determinations.
254 */
255 if (isp->isp_mdvec->dv_clock) {
256 if (isp->isp_mdvec->dv_clock < sdp->isp_clock) {
257 sdp->isp_clock = isp->isp_mdvec->dv_clock;
258 }
259 }
260 }
261
262 /*
263 * Do MD specific pre initialization
264 */
265 ISP_RESET0(isp);
266
267 if (once == 1 && deadchip == 0) {
268 once = 0;
269 /*
270 * Get the current running firmware revision out of the
271 * chip before we hit it over the head (if this is our
272 * first time through). Note that we store this as the
273 * 'ROM' firmware revision- which it may not be. In any
274 * case, we don't really use this yet, but we may in
275 * the future.
276 */
277 mbs.param[0] = MBOX_ABOUT_FIRMWARE;
278 isp_mboxcmd(isp, &mbs);
279 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
280 IDPRINTF(3, ("%s: initial ABOUT FIRMWARE command "
281 "failed\n", isp->isp_name));
282 } else {
283 isp->isp_romfw_rev =
284 (((u_int16_t) mbs.param[1]) << 10) + mbs.param[2];
285 }
286 }
287
288
289 /*
290 * Hit the chip over the head with hammer,
291 * and give the ISP a chance to recover.
292 */
293
294 if (isp->isp_type & ISP_HA_SCSI) {
295 ISP_WRITE(isp, BIU_ICR, BIU_ICR_SOFT_RESET);
296 /*
297 * A slight delay...
298 */
299 SYS_DELAY(100);
300
301 /*
302 * Clear data && control DMA engines.
303 */
304 ISP_WRITE(isp, CDMA_CONTROL,
305 DMA_CNTRL_CLEAR_CHAN | DMA_CNTRL_RESET_INT);
306 ISP_WRITE(isp, DDMA_CONTROL,
307 DMA_CNTRL_CLEAR_CHAN | DMA_CNTRL_RESET_INT);
308 } else {
309 ISP_WRITE(isp, BIU2100_CSR, BIU2100_SOFT_RESET);
310 /*
311 * A slight delay...
312 */
313 SYS_DELAY(100);
314 ISP_WRITE(isp, CDMA2100_CONTROL,
315 DMA_CNTRL2100_CLEAR_CHAN | DMA_CNTRL2100_RESET_INT);
316 ISP_WRITE(isp, TDMA2100_CONTROL,
317 DMA_CNTRL2100_CLEAR_CHAN | DMA_CNTRL2100_RESET_INT);
318 ISP_WRITE(isp, RDMA2100_CONTROL,
319 DMA_CNTRL2100_CLEAR_CHAN | DMA_CNTRL2100_RESET_INT);
320 }
321
322 /*
323 * Wait for ISP to be ready to go...
324 */
325 loops = MBOX_DELAY_COUNT;
326 for (;;) {
327 if (isp->isp_type & ISP_HA_SCSI) {
328 if (!(ISP_READ(isp, BIU_ICR) & BIU_ICR_SOFT_RESET))
329 break;
330 } else {
331 if (!(ISP_READ(isp, BIU2100_CSR) & BIU2100_SOFT_RESET))
332 break;
333 }
334 SYS_DELAY(100);
335 if (--loops < 0) {
336 isp_dumpregs(isp, "chip reset timed out");
337 return;
338 }
339 }
340 /*
341 * More initialization
342 */
343 if (isp->isp_type & ISP_HA_SCSI) {
344 ISP_WRITE(isp, BIU_CONF1, 0);
345 } else {
346 ISP_WRITE(isp, BIU2100_CSR, 0);
347 /*
348 * All 2100's are 60Mhz with fast rams onboard.
349 */
350 ISP_WRITE(isp, RISC_MTR2100, 0x1212);
351 }
352
353 ISP_WRITE(isp, HCCR, HCCR_CMD_RESET);
354 SYS_DELAY(100);
355
356 /*
357 * Establish some initial burst rate thingies
358 * (only for the 1XX0 boards). This really should
359 * be done later after fetching from NVRAM.
360 */
361 if (isp->isp_type & ISP_HA_SCSI) {
362 u_int16_t conf1 = isp->isp_mdvec->dv_conf1;
363 /*
364 * Busted FIFO. Turn off all but burst enables.
365 */
366 if (isp->isp_type == ISP_HA_SCSI_1040A) {
367 conf1 &= BIU_BURST_ENABLE;
368 }
369 ISP_SETBITS(isp, BIU_CONF1, conf1);
370 if (conf1 & BIU_BURST_ENABLE) {
371 ISP_SETBITS(isp, CDMA_CONF, DMA_ENABLE_BURST);
372 ISP_SETBITS(isp, DDMA_CONF, DMA_ENABLE_BURST);
373 }
374 }
375 ISP_WRITE(isp, HCCR, HCCR_CMD_RELEASE); /* release paused processor */
376
377 /*
378 * Do MD specific post initialization
379 */
380 ISP_RESET1(isp);
381
382 /*
383 * Enable interrupts
384 */
385 ENABLE_INTS(isp);
386
387 /*
388 * Do some sanity checking.
389 */
390 mbs.param[0] = MBOX_NO_OP;
391 isp_mboxcmd(isp, &mbs);
392 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
393 isp_dumpregs(isp, "NOP test failed");
394 return;
395 }
396
397 if (isp->isp_type & ISP_HA_SCSI) {
398 mbs.param[0] = MBOX_MAILBOX_REG_TEST;
399 mbs.param[1] = 0xdead;
400 mbs.param[2] = 0xbeef;
401 mbs.param[3] = 0xffff;
402 mbs.param[4] = 0x1111;
403 mbs.param[5] = 0xa5a5;
404 isp_mboxcmd(isp, &mbs);
405 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
406 isp_dumpregs(isp,
407 "Mailbox Register test didn't complete");
408 return;
409 }
410 if (mbs.param[1] != 0xdead || mbs.param[2] != 0xbeef ||
411 mbs.param[3] != 0xffff || mbs.param[4] != 0x1111 ||
412 mbs.param[5] != 0xa5a5) {
413 isp_dumpregs(isp, "Register Test Failed");
414 return;
415 }
416
417 }
418
419 /*
420 * Download new Firmware, unless requested not to do so.
421 * This is made slightly trickier in some cases where the
422 * firmware of the ROM revision is newer than the revision
423 * compiled into the driver. So, where we used to compare
424 * versions of our f/w and the ROM f/w, now we just see
425 * whether we have f/w at all and whether a config flag
426 * has disabled our download.
427 */
428 if ((isp->isp_mdvec->dv_fwlen == 0) ||
429 (isp->isp_confopts & ISP_CFG_NORELOAD)) {
430 dodnld = 0;
431 }
432
433 if (dodnld) {
434 for (i = 0; i < isp->isp_mdvec->dv_fwlen; i++) {
435 mbs.param[0] = MBOX_WRITE_RAM_WORD;
436 mbs.param[1] = isp->isp_mdvec->dv_codeorg + i;
437 mbs.param[2] = isp->isp_mdvec->dv_ispfw[i];
438 isp_mboxcmd(isp, &mbs);
439 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
440 isp_dumpregs(isp, "f/w download failed");
441 return;
442 }
443 }
444
445 if (isp->isp_mdvec->dv_fwlen) {
446 /*
447 * Verify that it downloaded correctly.
448 */
449 mbs.param[0] = MBOX_VERIFY_CHECKSUM;
450 mbs.param[1] = isp->isp_mdvec->dv_codeorg;
451 isp_mboxcmd(isp, &mbs);
452 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
453 isp_dumpregs(isp, "ram checksum failure");
454 return;
455 }
456 }
457 } else {
458 IDPRINTF(3, ("%s: skipping f/w download\n", isp->isp_name));
459 }
460
461 /*
462 * Now start it rolling.
463 *
464 * If we didn't actually download f/w,
465 * we still need to (re)start it.
466 */
467
468 mbs.param[0] = MBOX_EXEC_FIRMWARE;
469 mbs.param[1] = isp->isp_mdvec->dv_codeorg;
470 isp_mboxcmd(isp, &mbs);
471
472 if (isp->isp_type & ISP_HA_SCSI) {
473 sdparam *sdp = isp->isp_param;
474 /*
475 * Set CLOCK RATE, but only if asked to.
476 */
477 if (sdp->isp_clock) {
478 mbs.param[0] = MBOX_SET_CLOCK_RATE;
479 mbs.param[1] = sdp->isp_clock;
480 isp_mboxcmd(isp, &mbs);
481 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
482 isp_dumpregs(isp, "failed to set CLOCKRATE");
483 /* but continue */
484 } else {
485 IDPRINTF(3, ("%s: setting input clock to %d\n",
486 isp->isp_name, sdp->isp_clock));
487 }
488 }
489 }
490 mbs.param[0] = MBOX_ABOUT_FIRMWARE;
491 isp_mboxcmd(isp, &mbs);
492 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
493 isp_dumpregs(isp, "ABOUT FIRMWARE command failed");
494 return;
495 }
496 PRINTF("%s: Board Revision %s, %s F/W Revision %d.%d\n",
497 isp->isp_name, revname, dodnld? "loaded" : "resident",
498 mbs.param[1], mbs.param[2]);
499 isp->isp_fwrev = (((u_int16_t) mbs.param[1]) << 10) + mbs.param[2];
500 if (isp->isp_romfw_rev && dodnld) {
501 PRINTF("%s: Last F/W revision was %d.%d\n", isp->isp_name,
502 isp->isp_romfw_rev >> 10, isp->isp_romfw_rev & 0x3ff);
503 }
504 isp_fw_state(isp);
505 isp->isp_state = ISP_RESETSTATE;
506 }
507
508 /*
509 * Initialize Hardware to known state
510 *
511 * Locks are held before coming here.
512 */
513
514 void
515 isp_init(isp)
516 struct ispsoftc *isp;
517 {
518 sdparam *sdp;
519 mbreg_t mbs;
520 int tgt;
521
522 /*
523 * Must do first.
524 */
525 isp_setdfltparm(isp);
526
527 /*
528 * If we're fibre, we have a completely different
529 * initialization method.
530 */
531
532 if (isp->isp_type & ISP_HA_FC) {
533 isp_fibre_init(isp);
534 return;
535 }
536 sdp = isp->isp_param;
537
538 /*
539 * Set (possibly new) Initiator ID.
540 */
541 mbs.param[0] = MBOX_SET_INIT_SCSI_ID;
542 mbs.param[1] = sdp->isp_initiator_id;
543 isp_mboxcmd(isp, &mbs);
544 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
545 isp_dumpregs(isp, "failed to set initiator id");
546 return;
547 }
548
549 /*
550 * Set Retry Delay and Count
551 */
552 mbs.param[0] = MBOX_SET_RETRY_COUNT;
553 mbs.param[1] = sdp->isp_retry_count;
554 mbs.param[2] = sdp->isp_retry_delay;
555 isp_mboxcmd(isp, &mbs);
556 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
557 isp_dumpregs(isp, "failed to set retry count and delay");
558 return;
559 }
560
561 /*
562 * Set ASYNC DATA SETUP time. This is very important.
563 */
564 mbs.param[0] = MBOX_SET_ASYNC_DATA_SETUP_TIME;
565 mbs.param[1] = sdp->isp_async_data_setup;
566 isp_mboxcmd(isp, &mbs);
567 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
568 isp_dumpregs(isp, "failed to set async data setup time");
569 return;
570 }
571
572 /*
573 * Set ACTIVE Negation State.
574 */
575 mbs.param[0] = MBOX_SET_ACTIVE_NEG_STATE;
576 mbs.param[1] =
577 (sdp->isp_req_ack_active_neg << 4) |
578 (sdp->isp_data_line_active_neg << 5);
579 isp_mboxcmd(isp, &mbs);
580 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
581 isp_dumpregs(isp, "failed to set active neg state");
582 return;
583 }
584
585 /*
586 * Set the Tag Aging limit
587 */
588
589 mbs.param[0] = MBOX_SET_TAG_AGE_LIMIT;
590 mbs.param[1] = sdp->isp_tag_aging;
591 isp_mboxcmd(isp, &mbs);
592 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
593 isp_dumpregs(isp, "failed to set tag age limit");
594 return;
595 }
596
597 /*
598 * Set selection timeout.
599 */
600
601 mbs.param[0] = MBOX_SET_SELECT_TIMEOUT;
602 mbs.param[1] = sdp->isp_selection_timeout;
603 isp_mboxcmd(isp, &mbs);
604 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
605 isp_dumpregs(isp, "failed to set selection timeout");
606 return;
607 }
608
609 /*
610 * Set per-target parameters to a safe minimum.
611 */
612
613 for (tgt = 0; tgt < MAX_TARGETS; tgt++) {
614 int maxlun, lun;
615
616 if (sdp->isp_devparam[tgt].dev_enable == 0)
617 continue;
618
619 mbs.param[0] = MBOX_SET_TARGET_PARAMS;
620 mbs.param[1] = tgt << 8;
621 mbs.param[2] = DPARM_SAFE_DFLT;
622 mbs.param[3] = 0;
623 /*
624 * It is not quite clear when this changed over so that
625 * we could force narrow and async, so assume >= 7.55.
626 *
627 * Otherwise, a SCSI bus reset issued below will force
628 * the back to the narrow, async state (but see note
629 * below also). Technically we should also do without
630 * Parity.
631 */
632 if (isp->isp_fwrev >= ISP_FW_REV(7, 55)) {
633 mbs.param[2] |= DPARM_NARROW | DPARM_ASYNC;
634 }
635 sdp->isp_devparam[tgt].cur_dflags = mbs.param[2] >> 8;
636
637 IDPRINTF(3, ("\n%s: tgt %d cflags %x offset %x period %x\n",
638 isp->isp_name, tgt, mbs.param[2], mbs.param[3] >> 8,
639 mbs.param[3] & 0xff));
640 isp_mboxcmd(isp, &mbs);
641 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
642
643 PRINTF("%s: failed to set parameters for tgt %d\n",
644 isp->isp_name, tgt);
645
646 PRINTF("%s: flags %x offset %x period %x\n",
647 isp->isp_name, sdp->isp_devparam[tgt].dev_flags,
648 sdp->isp_devparam[tgt].sync_offset,
649 sdp->isp_devparam[tgt].sync_period);
650
651 mbs.param[0] = MBOX_SET_TARGET_PARAMS;
652 mbs.param[1] = tgt << 8;
653 mbs.param[2] = DPARM_SAFE_DFLT;
654 mbs.param[3] = 0;
655 isp_mboxcmd(isp, &mbs);
656 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
657 PRINTF("%s: failed even to set defaults for "
658 "target %d\n", isp->isp_name, tgt);
659 continue;
660 }
661 }
662
663 maxlun = (isp->isp_fwrev >= ISP_FW_REV(7, 55))? 32 : 8;
664 for (lun = 0; lun < maxlun; lun++) {
665 mbs.param[0] = MBOX_SET_DEV_QUEUE_PARAMS;
666 mbs.param[1] = (tgt << 8) | lun;
667 mbs.param[2] = sdp->isp_max_queue_depth;
668 mbs.param[3] = sdp->isp_devparam[tgt].exc_throttle;
669 isp_mboxcmd(isp, &mbs);
670 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
671 PRINTF("%s: failed to set device queue "
672 "parameters for target %d, lun %d\n",
673 isp->isp_name, tgt, lun);
674 break;
675 }
676 }
677 }
678
679 /*
680 * Set up DMA for the request and result mailboxes.
681 */
682 if (ISP_MBOXDMASETUP(isp) != 0) {
683 PRINTF("%s: can't setup dma mailboxes\n", isp->isp_name);
684 return;
685 }
686
687 mbs.param[0] = MBOX_INIT_RES_QUEUE;
688 mbs.param[1] = RESULT_QUEUE_LEN;
689 mbs.param[2] = (u_int16_t) (isp->isp_result_dma >> 16);
690 mbs.param[3] = (u_int16_t) (isp->isp_result_dma & 0xffff);
691 mbs.param[4] = 0;
692 mbs.param[5] = 0;
693 isp_mboxcmd(isp, &mbs);
694 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
695 isp_dumpregs(isp, "set of response queue failed");
696 return;
697 }
698 isp->isp_residx = 0;
699
700 mbs.param[0] = MBOX_INIT_REQ_QUEUE;
701 mbs.param[1] = RQUEST_QUEUE_LEN;
702 mbs.param[2] = (u_int16_t) (isp->isp_rquest_dma >> 16);
703 mbs.param[3] = (u_int16_t) (isp->isp_rquest_dma & 0xffff);
704 mbs.param[4] = 0;
705 mbs.param[5] = 0;
706 isp_mboxcmd(isp, &mbs);
707 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
708 isp_dumpregs(isp, "set of request queue failed");
709 return;
710 }
711 isp->isp_reqidx = isp->isp_reqodx = 0;
712
713 /*
714 * XXX: See whether or not for 7.55 F/W or later we
715 * XXX: can do without this, and see whether we should
716 * XXX: honor the NVRAM SCSI_RESET_DISABLE token.
717 */
718 mbs.param[0] = MBOX_BUS_RESET;
719 mbs.param[1] = 3;
720 isp_mboxcmd(isp, &mbs);
721 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
722 isp_dumpregs(isp, "SCSI bus reset failed");
723 }
724 /*
725 * This is really important to have set after a bus reset.
726 */
727 isp->isp_sendmarker = 1;
728 isp->isp_state = ISP_INITSTATE;
729 }
730
731 /*
732 * Fibre Channel specific initialization.
733 *
734 * Locks are held before coming here.
735 */
736 static void
737 isp_fibre_init(isp)
738 struct ispsoftc *isp;
739 {
740 fcparam *fcp;
741 isp_icb_t *icbp;
742 mbreg_t mbs;
743 int count, loopid;
744 u_int8_t lwfs;
745
746 fcp = isp->isp_param;
747
748 if (ISP_MBOXDMASETUP(isp) != 0) {
749 PRINTF("%s: can't setup DMA for mailboxes\n", isp->isp_name);
750 return;
751 }
752 /*
753 * For systems that don't have BIOS methods for which
754 * we can easily change the NVRAM based loopid, we'll
755 * override that here. Note that when we initialize
756 * the firmware we may get back a different loopid than
757 * we asked for anyway. XXX This is probably not the
758 * best way to figure this out XXX
759 */
760 #ifndef __i386__
761 loopid = DEFAULT_LOOPID;
762 #else
763 loopid = fcp->isp_loopid;
764 #endif
765
766
767 icbp = (isp_icb_t *) fcp->isp_scratch;
768 MEMZERO(icbp, sizeof (*icbp));
769
770 icbp->icb_version = ICB_VERSION1;
771 #ifdef ISP_TARGET_MODE
772 fcp->isp_fwoptions = ICBOPT_TGT_ENABLE|ICBOPT_INI_TGTTYPE;
773 #else
774 fcp->isp_fwoptions = 0;
775 #endif
776 fcp->isp_fwoptions |= ICBOPT_INI_ADISC|ICBOPT_FAIRNESS;
777 fcp->isp_fwoptions |= ICBOPT_PDBCHANGE_AE;
778 fcp->isp_fwoptions |= ICBOPT_HARD_ADDRESS;
779 #ifdef CHECKME
780 fcp->isp_fwoptions |= ICBOPT_USE_PORTNAME;
781 #endif
782 #ifdef THIS_WORKED
783 /*
784 * This has unhappiness in target mode
785 */
786 fcp->isp_fwoptions |= ICBOPT_FULL_LOGIN;
787 #endif
788 icbp->icb_fwoptions = fcp->isp_fwoptions;
789 icbp->icb_maxfrmlen = fcp->isp_maxfrmlen;
790 if (icbp->icb_maxfrmlen < ICB_MIN_FRMLEN ||
791 icbp->icb_maxfrmlen > ICB_MAX_FRMLEN) {
792 PRINTF("%s: bad frame length (%d) from NVRAM- using %d\n",
793 isp->isp_name, fcp->isp_maxfrmlen, ICB_DFLT_FRMLEN);
794 }
795 icbp->icb_maxalloc = fcp->isp_maxalloc;
796 icbp->icb_execthrottle = fcp->isp_execthrottle;
797 icbp->icb_retry_delay = fcp->isp_retry_delay;
798 icbp->icb_retry_count = fcp->isp_retry_count;
799 icbp->icb_hardaddr = loopid;
800
801 MAKE_NODE_NAME_FROM_WWN(icbp->icb_nodename, fcp->isp_wwn);
802 if (icbp->icb_fwoptions & ICBOPT_USE_PORTNAME) {
803 u_int64_t portname = fcp->isp_wwn | (2LL << 56);
804 MAKE_NODE_NAME_FROM_WWN(icbp->icb_nodename, portname);
805 }
806 icbp->icb_rqstqlen = RQUEST_QUEUE_LEN;
807 icbp->icb_rsltqlen = RESULT_QUEUE_LEN;
808 icbp->icb_rqstaddr[RQRSP_ADDR0015] =
809 (u_int16_t) (isp->isp_rquest_dma & 0xffff);
810 icbp->icb_rqstaddr[RQRSP_ADDR1631] =
811 (u_int16_t) (isp->isp_rquest_dma >> 16);
812 icbp->icb_respaddr[RQRSP_ADDR0015] =
813 (u_int16_t) (isp->isp_result_dma & 0xffff);
814 icbp->icb_respaddr[RQRSP_ADDR1631] =
815 (u_int16_t) (isp->isp_result_dma >> 16);
816
817 for (count = 0; count < 10; count++) {
818 mbs.param[0] = MBOX_INIT_FIRMWARE;
819 mbs.param[1] = 0;
820 mbs.param[2] = (u_int16_t) (fcp->isp_scdma >> 16);
821 mbs.param[3] = (u_int16_t) (fcp->isp_scdma & 0xffff);
822 mbs.param[4] = 0;
823 mbs.param[5] = 0;
824 mbs.param[6] = 0;
825 mbs.param[7] = 0;
826
827 isp_mboxcmd(isp, &mbs);
828
829 switch (mbs.param[0]) {
830 case MBOX_COMMAND_COMPLETE:
831 count = 10;
832 break;
833 case ASYNC_LIP_OCCURRED:
834 case ASYNC_LOOP_UP:
835 case ASYNC_LOOP_DOWN:
836 case ASYNC_LOOP_RESET:
837 case ASYNC_PDB_CHANGED:
838 case ASYNC_CHANGE_NOTIFY:
839 if (count > 9) {
840 PRINTF("%s: too many retries to get going- "
841 "giving up\n", isp->isp_name);
842 return;
843 }
844 break;
845 default:
846 isp_dumpregs(isp, "INIT FIRMWARE failed");
847 return;
848 }
849 }
850 isp->isp_reqidx = isp->isp_reqodx = 0;
851 isp->isp_residx = 0;
852
853 /*
854 * Wait up to 5 seconds for FW to go to READY state.
855 */
856 lwfs = FW_CONFIG_WAIT;
857 for (count = 0; count < 12000; count++) {
858 isp_fw_state(isp);
859 if (lwfs != fcp->isp_fwstate) {
860 PRINTF("%s: Firmware State %s -> %s\n",
861 isp->isp_name, isp2100_fw_statename((int)lwfs),
862 isp2100_fw_statename((int)fcp->isp_fwstate));
863 lwfs = fcp->isp_fwstate;
864 }
865 if (fcp->isp_fwstate == FW_READY) {
866 break;
867 }
868 SYS_DELAY(1000); /* wait one millisecond */
869 }
870 isp->isp_sendmarker = 1;
871
872 /*
873 * Get our Loop ID
874 * (if possible)
875 */
876 if (fcp->isp_fwstate == FW_READY) {
877 mbs.param[0] = MBOX_GET_LOOP_ID;
878 isp_mboxcmd(isp, &mbs);
879 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
880 isp_dumpregs(isp, "GET LOOP ID failed");
881 return;
882 }
883 fcp->isp_loopid = mbs.param[1];
884 fcp->isp_alpa = mbs.param[2];
885 PRINTF("%s: Loop ID %d, ALPA 0x%x\n", isp->isp_name,
886 fcp->isp_loopid, fcp->isp_alpa);
887 isp->isp_state = ISP_INITSTATE;
888 #ifdef ISP_TARGET_MODE
889 DISABLE_INTS(isp);
890 if (isp_modify_lun(isp, 0, 1, 1)) {
891 PRINTF("%s: failed to enable target mode\n",
892 isp->isp_name);
893 }
894 ENABLE_INTS(isp);
895 #endif
896 } else {
897 PRINTF("%s: failed to go to FW READY state- will not attach\n",
898 isp->isp_name);
899 }
900 }
901
902 /*
903 * Start a command. Locking is assumed done in the caller.
904 */
905
906 int32_t
907 ispscsicmd(xs)
908 ISP_SCSI_XFER_T *xs;
909 {
910 struct ispsoftc *isp;
911 u_int8_t iptr, optr;
912 union {
913 ispreq_t *_reqp;
914 ispreqt2_t *_t2reqp;
915 } _u;
916 #define reqp _u._reqp
917 #define t2reqp _u._t2reqp
918 #define UZSIZE max(sizeof (ispreq_t), sizeof (ispreqt2_t))
919 int i;
920
921 XS_INITERR(xs);
922 isp = XS_ISP(xs);
923
924 if (isp->isp_state != ISP_RUNSTATE) {
925 PRINTF("%s: adapter not ready\n", isp->isp_name);
926 XS_SETERR(xs, HBA_BOTCH);
927 return (CMD_COMPLETE);
928 }
929
930 /*
931 * We *could* do the different sequence type that has clos
932 * to the whole Queue Entry for the command,.
933 */
934 if (XS_CDBLEN(xs) > ((isp->isp_type & ISP_HA_FC)? 16 : 12)) {
935 PRINTF("%s: unsupported cdb length (%d)\n",
936 isp->isp_name, XS_CDBLEN(xs));
937 XS_SETERR(xs, HBA_BOTCH);
938 return (CMD_COMPLETE);
939 }
940
941 /*
942 * First check to see if any HBA or Device
943 * parameters need to be updated.
944 */
945 if (isp->isp_update) {
946 isp_update(isp);
947 }
948
949 optr = isp->isp_reqodx = ISP_READ(isp, OUTMAILBOX4);
950 iptr = isp->isp_reqidx;
951
952 reqp = (ispreq_t *) ISP_QUEUE_ENTRY(isp->isp_rquest, iptr);
953 iptr = ISP_NXT_QENTRY(iptr, RQUEST_QUEUE_LEN);
954 if (iptr == optr) {
955 IDPRINTF(2, ("%s: Request Queue Overflow\n", isp->isp_name));
956 XS_SETERR(xs, HBA_BOTCH);
957 return (CMD_EAGAIN);
958 }
959 if (isp->isp_type & ISP_HA_FC) {
960 DISABLE_INTS(isp);
961 }
962
963 if (isp->isp_sendmarker) {
964 u_int8_t niptr;
965 ispmarkreq_t *marker = (ispmarkreq_t *) reqp;
966
967 MEMZERO((void *) marker, sizeof (*marker));
968 marker->req_header.rqs_entry_count = 1;
969 marker->req_header.rqs_entry_type = RQSTYPE_MARKER;
970 marker->req_modifier = SYNC_ALL;
971
972 isp->isp_sendmarker = 0;
973
974 /*
975 * Unconditionally update the input pointer anyway.
976 */
977 ISP_WRITE(isp, INMAILBOX4, iptr);
978 isp->isp_reqidx = iptr;
979
980 niptr = ISP_NXT_QENTRY(iptr, RQUEST_QUEUE_LEN);
981 if (niptr == optr) {
982 if (isp->isp_type & ISP_HA_FC) {
983 ENABLE_INTS(isp);
984 }
985 IDPRINTF(2, ("%s: Request Queue Overflow+\n",
986 isp->isp_name));
987 XS_SETERR(xs, HBA_BOTCH);
988 return (CMD_EAGAIN);
989 }
990 reqp = (ispreq_t *) ISP_QUEUE_ENTRY(isp->isp_rquest, iptr);
991 iptr = niptr;
992 }
993
994 MEMZERO((void *) reqp, UZSIZE);
995 reqp->req_header.rqs_entry_count = 1;
996 if (isp->isp_type & ISP_HA_FC) {
997 reqp->req_header.rqs_entry_type = RQSTYPE_T2RQS;
998 } else {
999 reqp->req_header.rqs_entry_type = RQSTYPE_REQUEST;
1000 }
1001 reqp->req_header.rqs_flags = 0;
1002 reqp->req_header.rqs_seqno = isp->isp_seqno++;
1003
1004 for (i = 0; i < RQUEST_QUEUE_LEN; i++) {
1005 if (isp->isp_xflist[i] == NULL)
1006 break;
1007 }
1008 if (i == RQUEST_QUEUE_LEN) {
1009 if (isp->isp_type & ISP_HA_FC)
1010 ENABLE_INTS(isp);
1011 IDPRINTF(2, ("%s: out of xflist pointers\n", isp->isp_name));
1012 XS_SETERR(xs, HBA_BOTCH);
1013 return (CMD_EAGAIN);
1014 } else {
1015 /*
1016 * Never have a handle that is zero, so
1017 * set req_handle off by one.
1018 */
1019 isp->isp_xflist[i] = xs;
1020 reqp->req_handle = i+1;
1021 }
1022
1023 if (isp->isp_type & ISP_HA_FC) {
1024 /*
1025 * See comment in isp_intr
1026 */
1027 XS_RESID(xs) = 0;
1028 /*
1029 * Fibre Channel always requires some kind of tag.
1030 * If we're marked as "Can't Tag", just do simple
1031 * instead of ordered tags. It's pretty clear to me
1032 * that we shouldn't do head of queue tagging in
1033 * this case.
1034 */
1035 if (XS_CANTAG(xs)) {
1036 t2reqp->req_flags = XS_KINDOF_TAG(xs);
1037 } else {
1038 t2reqp->req_flags = REQFLAG_STAG;
1039 }
1040 } else {
1041 sdparam *sdp = (sdparam *)isp->isp_param;
1042 if ((sdp->isp_devparam[XS_TGT(xs)].cur_dflags & DPARM_TQING) &&
1043 XS_CANTAG(xs)) {
1044 reqp->req_flags = XS_KINDOF_TAG(xs);
1045 } else {
1046 reqp->req_flags = 0;
1047 }
1048 }
1049 reqp->req_target = XS_TGT(xs);
1050 if (isp->isp_type & ISP_HA_SCSI) {
1051 reqp->req_lun_trn = XS_LUN(xs);
1052 reqp->req_cdblen = XS_CDBLEN(xs);
1053 } else {
1054 #ifdef SCCLUN
1055 reqp->req_scclun = XS_LUN(xs);
1056 #else
1057 reqp->req_lun_trn = XS_LUN(xs);
1058 #endif
1059
1060 }
1061 memcpy(reqp->req_cdb, XS_CDBP(xs), XS_CDBLEN(xs));
1062
1063 IDPRINTF(5, ("%s(%d.%d): START%d cmd 0x%x datalen %d\n", isp->isp_name,
1064 XS_TGT(xs), XS_LUN(xs), reqp->req_header.rqs_seqno,
1065 reqp->req_cdb[0], XS_XFRLEN(xs)));
1066
1067 reqp->req_time = XS_TIME(xs) / 1000;
1068 if (reqp->req_time == 0 && XS_TIME(xs))
1069 reqp->req_time = 1;
1070 i = ISP_DMASETUP(isp, xs, reqp, &iptr, optr);
1071 if (i != CMD_QUEUED) {
1072 if (isp->isp_type & ISP_HA_FC)
1073 ENABLE_INTS(isp);
1074 /*
1075 * dmasetup sets actual error in packet, and
1076 * return what we were given to return.
1077 */
1078 return (i);
1079 }
1080 XS_SETERR(xs, HBA_NOERROR);
1081 ISP_WRITE(isp, INMAILBOX4, iptr);
1082 isp->isp_reqidx = iptr;
1083 if (isp->isp_type & ISP_HA_FC) {
1084 ENABLE_INTS(isp);
1085 }
1086 isp->isp_nactive++;
1087 return (CMD_QUEUED);
1088 #undef reqp
1089 #undef t2reqp
1090 }
1091
1092 /*
1093 * isp control
1094 * Locks (ints blocked) assumed held.
1095 */
1096
1097 int
1098 isp_control(isp, ctl, arg)
1099 struct ispsoftc *isp;
1100 ispctl_t ctl;
1101 void *arg;
1102 {
1103 ISP_SCSI_XFER_T *xs;
1104 mbreg_t mbs;
1105 int i;
1106
1107 switch (ctl) {
1108 default:
1109 PRINTF("%s: isp_control unknown control op %x\n",
1110 isp->isp_name, ctl);
1111 break;
1112
1113 case ISPCTL_RESET_BUS:
1114 mbs.param[0] = MBOX_BUS_RESET;
1115 mbs.param[1] = (isp->isp_type & ISP_HA_FC)? 5: 2;
1116 isp_mboxcmd(isp, &mbs);
1117 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
1118 isp_dumpregs(isp, "isp_control SCSI bus reset failed");
1119 break;
1120 }
1121 /*
1122 * This is really important to have set after a bus reset.
1123 */
1124 isp->isp_sendmarker = 1;
1125 PRINTF("%s: driver initiated bus reset\n", isp->isp_name);
1126 return (0);
1127
1128 case ISPCTL_RESET_DEV:
1129 /*
1130 * Note that under parallel SCSI, this issues a BDR message.
1131 * Under FC, we could probably be using ABORT TASK SET
1132 * command.
1133 */
1134
1135 mbs.param[0] = MBOX_ABORT_TARGET;
1136 mbs.param[1] = ((long)arg) << 8;
1137 mbs.param[2] = 2; /* 'delay', in seconds */
1138 isp_mboxcmd(isp, &mbs);
1139 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
1140 isp_dumpregs(isp, "SCSI Target reset failed");
1141 break;
1142 }
1143 PRINTF("%s: Target %d Reset Succeeded\n", isp->isp_name,
1144 (int) ((long) arg));
1145 isp->isp_sendmarker = 1;
1146 return (0);
1147
1148 case ISPCTL_ABORT_CMD:
1149 xs = (ISP_SCSI_XFER_T *) arg;
1150 for (i = 0; i < RQUEST_QUEUE_LEN; i++) {
1151 if (xs == isp->isp_xflist[i]) {
1152 break;
1153 }
1154 }
1155 if (i == RQUEST_QUEUE_LEN) {
1156 PRINTF("%s: isp_control- cannot find command to abort "
1157 "in active list\n", isp->isp_name);
1158 break;
1159 }
1160 mbs.param[0] = MBOX_ABORT;
1161 #ifdef SCCLUN
1162 if (isp->isp_type & ISP_HA_FC) {
1163 mbs.param[1] = XS_TGT(xs) << 8;
1164 mbs.param[4] = 0;
1165 mbs.param[5] = 0;
1166 mbs.param[6] = XS_LUN(xs);
1167 } else {
1168 mbs.param[1] = XS_TGT(xs) << 8 | XS_LUN(xs);
1169 }
1170 #else
1171 mbs.param[1] = XS_TGT(xs) << 8 | XS_LUN(xs);
1172 #endif
1173 mbs.param[2] = (i+1) >> 16;
1174 mbs.param[3] = (i+1) & 0xffff;
1175 isp_mboxcmd(isp, &mbs);
1176 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
1177 PRINTF("%s: isp_control MBOX_ABORT failure (code %x)\n",
1178 isp->isp_name, mbs.param[0]);
1179 break;
1180 }
1181 PRINTF("%s: command for target %d lun %d was aborted\n",
1182 isp->isp_name, XS_TGT(xs), XS_LUN(xs));
1183 return (0);
1184
1185 case ISPCTL_UPDATE_PARAMS:
1186 isp_update(isp);
1187 return(0);
1188 }
1189 return (-1);
1190 }
1191
1192 /*
1193 * Interrupt Service Routine(s).
1194 *
1195 * External (OS) framework has done the appropriate locking,
1196 * and the locking will be held throughout this function.
1197 */
1198
1199 int
1200 isp_intr(arg)
1201 void *arg;
1202 {
1203 ISP_SCSI_XFER_T *complist[RESULT_QUEUE_LEN], *xs;
1204 struct ispsoftc *isp = arg;
1205 u_int8_t iptr, optr;
1206 u_int16_t isr;
1207 int i, ndone = 0;
1208
1209 isr = ISP_READ(isp, BIU_ISR);
1210 if (isp->isp_type & ISP_HA_FC) {
1211 if (isr == 0 || (isr & BIU2100_ISR_RISC_INT) == 0) {
1212 if (isr) {
1213 IDPRINTF(4, ("%s: isp_intr isr=%x\n",
1214 isp->isp_name, isr));
1215 }
1216 return (0);
1217 }
1218 } else {
1219 if (isr == 0 || (isr & BIU_ISR_RISC_INT) == 0) {
1220 if (isr) {
1221 IDPRINTF(4, ("%s: isp_intr isr=%x\n",
1222 isp->isp_name, isr));
1223 }
1224 return (0);
1225 }
1226 }
1227
1228 if (ISP_READ(isp, BIU_SEMA) & 1) {
1229 u_int16_t mbox = ISP_READ(isp, OUTMAILBOX0);
1230 if (isp_parse_async(isp, (int) mbox))
1231 return (1);
1232 ISP_WRITE(isp, BIU_SEMA, 0);
1233 }
1234
1235 ISP_WRITE(isp, HCCR, HCCR_CMD_CLEAR_RISC_INT);
1236
1237 optr = isp->isp_residx;
1238 iptr = ISP_READ(isp, OUTMAILBOX5);
1239
1240 if (optr == iptr) {
1241 IDPRINTF(4, ("why intr? isr %x iptr %x optr %x\n",
1242 isr, optr, iptr));
1243 }
1244 ENABLE_INTS(isp);
1245
1246 while (optr != iptr) {
1247 ispstatusreq_t *sp;
1248 u_int8_t oop;
1249 int buddaboom = 0;
1250
1251 sp = (ispstatusreq_t *) ISP_QUEUE_ENTRY(isp->isp_result, optr);
1252 oop = optr;
1253 optr = ISP_NXT_QENTRY(optr, RESULT_QUEUE_LEN);
1254
1255 if (sp->req_header.rqs_entry_type != RQSTYPE_RESPONSE) {
1256 if (isp_handle_other_response(isp, sp, &optr) == 0) {
1257 ISP_WRITE(isp, INMAILBOX5, optr);
1258 continue;
1259 }
1260 /*
1261 * It really has to be a bounced request just copied
1262 * from the request queue to the response queue.
1263 */
1264
1265 if (sp->req_header.rqs_entry_type != RQSTYPE_REQUEST) {
1266 ISP_WRITE(isp, INMAILBOX5, optr);
1267 continue;
1268 }
1269 PRINTF("%s: not RESPONSE in RESPONSE Queue "
1270 "(type 0x%x) @ idx %d (next %d)\n", isp->isp_name,
1271 sp->req_header.rqs_entry_type, oop, optr);
1272 buddaboom = 1;
1273 }
1274
1275 if (sp->req_header.rqs_flags & 0xf) {
1276 if (sp->req_header.rqs_flags & RQSFLAG_CONTINUATION) {
1277 ISP_WRITE(isp, INMAILBOX5, optr);
1278 continue;
1279 }
1280 PRINTF("%s: rqs_flags=%x", isp->isp_name,
1281 sp->req_header.rqs_flags & 0xf);
1282 if (sp->req_header.rqs_flags & RQSFLAG_FULL) {
1283 PRINTF("%s: internal queues full\n",
1284 isp->isp_name);
1285 /* XXXX: this command *could* get restarted */
1286 buddaboom++;
1287 }
1288 if (sp->req_header.rqs_flags & RQSFLAG_BADHEADER) {
1289 PRINTF("%s: bad header\n", isp->isp_name);
1290 buddaboom++;
1291 }
1292 if (sp->req_header.rqs_flags & RQSFLAG_BADPACKET) {
1293 PRINTF("%s: bad request packet\n",
1294 isp->isp_name);
1295 buddaboom++;
1296 }
1297 }
1298 if (sp->req_handle > RQUEST_QUEUE_LEN || sp->req_handle < 1) {
1299 PRINTF("%s: bad request handle %d\n", isp->isp_name,
1300 sp->req_handle);
1301 ISP_WRITE(isp, INMAILBOX5, optr);
1302 continue;
1303 }
1304 xs = (ISP_SCSI_XFER_T *) isp->isp_xflist[sp->req_handle - 1];
1305 if (xs == NULL) {
1306 PRINTF("%s: NULL xs in xflist (handle %x)\n",
1307 isp->isp_name, sp->req_handle);
1308 isp_dumpxflist(isp);
1309 ISP_WRITE(isp, INMAILBOX5, optr);
1310 continue;
1311 }
1312 isp->isp_xflist[sp->req_handle - 1] = NULL;
1313 if (sp->req_status_flags & RQSTF_BUS_RESET) {
1314 isp->isp_sendmarker = 1;
1315 }
1316 if (buddaboom) {
1317 XS_SETERR(xs, HBA_BOTCH);
1318 }
1319 XS_STS(xs) = sp->req_scsi_status & 0xff;
1320 if (isp->isp_type & ISP_HA_SCSI) {
1321 if (sp->req_state_flags & RQSF_GOT_SENSE) {
1322 memcpy(XS_SNSP(xs), sp->req_sense_data,
1323 XS_SNSLEN(xs));
1324 XS_SNS_IS_VALID(xs);
1325 }
1326 } else {
1327 if (XS_STS(xs) == SCSI_CHECK) {
1328 XS_SNS_IS_VALID(xs);
1329 memcpy(XS_SNSP(xs), sp->req_sense_data,
1330 XS_SNSLEN(xs));
1331 sp->req_state_flags |= RQSF_GOT_SENSE;
1332 }
1333 }
1334 if (XS_NOERR(xs) && XS_STS(xs) == SCSI_BUSY) {
1335 XS_SETERR(xs, HBA_TGTBSY);
1336 }
1337
1338 if (sp->req_header.rqs_entry_type == RQSTYPE_RESPONSE) {
1339 if (XS_NOERR(xs)) {
1340 if (sp->req_completion_status != RQCS_COMPLETE) {
1341 isp_parse_status(isp, sp, xs);
1342 } else {
1343 XS_SETERR(xs, HBA_NOERROR);
1344 }
1345 }
1346 } else {
1347 PRINTF("%s: unknown return %x\n", isp->isp_name,
1348 sp->req_header.rqs_entry_type);
1349 if (XS_NOERR(xs)) {
1350 XS_SETERR(xs, HBA_BOTCH);
1351 }
1352 }
1353 if (isp->isp_type & ISP_HA_SCSI) {
1354 XS_RESID(xs) = sp->req_resid;
1355 } else if (sp->req_scsi_status & RQCS_RU) {
1356 XS_RESID(xs) = sp->req_resid;
1357 IDPRINTF(4, ("%s: cnt %d rsd %d\n", isp->isp_name,
1358 XS_XFRLEN(xs), sp->req_resid));
1359 }
1360 if (XS_XFRLEN(xs)) {
1361 ISP_DMAFREE(isp, xs, sp->req_handle - 1);
1362 }
1363 /*
1364 * XXX: If we have a check condition, but no Sense Data,
1365 * XXX: mark it as an error (ARQ failed). We need to
1366 * XXX: to do a more distinct job because there may
1367 * XXX: cases where ARQ is disabled.
1368 */
1369 if (XS_STS(xs) == SCSI_CHECK && !(XS_IS_SNS_VALID(xs))) {
1370 if (XS_NOERR(xs)) {
1371 PRINTF("%s: ARQ failure for target %d lun %d\n",
1372 isp->isp_name, XS_TGT(xs), XS_LUN(xs));
1373 XS_SETERR(xs, HBA_ARQFAIL);
1374 }
1375 }
1376 if ((isp->isp_dblev >= 5) ||
1377 (isp->isp_dblev > 2 && !XS_NOERR(xs))) {
1378 PRINTF("%s(%d.%d): FIN%d dl%d resid%d STS %x",
1379 isp->isp_name, XS_TGT(xs), XS_LUN(xs),
1380 sp->req_header.rqs_seqno, XS_XFRLEN(xs),
1381 XS_RESID(xs), XS_STS(xs));
1382 if (sp->req_state_flags & RQSF_GOT_SENSE) {
1383 PRINTF(" Skey: %x", XS_SNSKEY(xs));
1384 if (!(XS_IS_SNS_VALID(xs))) {
1385 PRINTF(" BUT NOT SET");
1386 }
1387 }
1388 PRINTF(" XS_ERR=0x%x\n", (unsigned int) XS_ERR(xs));
1389 }
1390
1391 ISP_WRITE(isp, INMAILBOX5, optr);
1392 if (isp->isp_nactive > 0)
1393 isp->isp_nactive--;
1394 complist[ndone++] = xs; /* defer completion call until later */
1395 }
1396 /*
1397 * If we completed any commands, then it's valid to find out
1398 * what the outpointer is.
1399 */
1400 if (ndone) {
1401 isp->isp_reqodx = ISP_READ(isp, OUTMAILBOX4);
1402 }
1403 isp->isp_residx = optr;
1404 for (i = 0; i < ndone; i++) {
1405 xs = complist[i];
1406 if (xs) {
1407 XS_CMD_DONE(xs);
1408 }
1409 }
1410 return (1);
1411 }
1412
1413 /*
1414 * Support routines.
1415 */
1416
1417 static int
1418 isp_parse_async(isp, mbox)
1419 struct ispsoftc *isp;
1420 int mbox;
1421 {
1422 switch (mbox) {
1423 case ASYNC_BUS_RESET:
1424 PRINTF("%s: SCSI bus reset detected\n", isp->isp_name);
1425 isp->isp_sendmarker = 1;
1426 #ifdef ISP_TARGET_MODE
1427 isp_notify_ack(isp, NULL);
1428 #endif
1429 break;
1430
1431 case ASYNC_SYSTEM_ERROR:
1432 mbox = ISP_READ(isp, OUTMAILBOX1);
1433 PRINTF("%s: Internal FW Error @ RISC Addr 0x%x\n",
1434 isp->isp_name, mbox);
1435 isp_restart(isp);
1436 /* no point continuing after this */
1437 return (1);
1438
1439 case ASYNC_RQS_XFER_ERR:
1440 PRINTF("%s: Request Queue Transfer Error\n", isp->isp_name);
1441 break;
1442
1443 case ASYNC_RSP_XFER_ERR:
1444 PRINTF("%s: Response Queue Transfer Error\n", isp->isp_name);
1445 break;
1446
1447 case ASYNC_QWAKEUP:
1448 /* don't need to be chatty */
1449 mbox = ISP_READ(isp, OUTMAILBOX4);
1450 break;
1451
1452 case ASYNC_TIMEOUT_RESET:
1453 PRINTF("%s: timeout initiated SCSI bus reset\n", isp->isp_name);
1454 isp->isp_sendmarker = 1;
1455 #ifdef ISP_TARGET_MODE
1456 isp_notify_ack(isp, NULL);
1457 #endif
1458 break;
1459
1460 case ASYNC_DEVICE_RESET:
1461 PRINTF("%s: device reset\n", isp->isp_name);
1462 #ifdef ISP_TARGET_MODE
1463 isp_notify_ack(isp, NULL);
1464 #endif
1465 break;
1466
1467 case ASYNC_EXTMSG_UNDERRUN:
1468 PRINTF("%s: extended message underrun\n", isp->isp_name);
1469 break;
1470
1471 case ASYNC_SCAM_INT:
1472 PRINTF("%s: SCAM interrupt\n", isp->isp_name);
1473 break;
1474
1475 case ASYNC_HUNG_SCSI:
1476 PRINTF("%s: stalled SCSI Bus after DATA Overrun\n",
1477 isp->isp_name);
1478 /* XXX: Need to issue SCSI reset at this point */
1479 break;
1480
1481 case ASYNC_KILLED_BUS:
1482 PRINTF("%s: SCSI Bus reset after DATA Overrun\n",
1483 isp->isp_name);
1484 break;
1485
1486 case ASYNC_BUS_TRANSIT:
1487 PRINTF("%s: LBD->HVD Transition 0x%x\n",
1488 isp->isp_name, ISP_READ(isp, OUTMAILBOX1));
1489 break;
1490
1491 case ASYNC_CMD_CMPLT:
1492 PRINTF("%s: fast post completion\n", isp->isp_name);
1493 #if 0
1494 fast_post_handle = (ISP_READ(isp, OUTMAILBOX1) << 16) |
1495 ISP_READ(isp, OUTMAILBOX2);
1496 #endif
1497 break;
1498
1499 case ASYNC_CTIO_DONE:
1500 /* Should only occur when Fast Posting Set for 2100s */
1501 PRINTF("%s: CTIO done\n", isp->isp_name);
1502 break;
1503
1504 case ASYNC_LIP_OCCURRED:
1505 PRINTF("%s: LIP occurred\n", isp->isp_name);
1506 break;
1507
1508 case ASYNC_LOOP_UP:
1509 PRINTF("%s: Loop UP\n", isp->isp_name);
1510 break;
1511
1512 case ASYNC_LOOP_DOWN:
1513 PRINTF("%s: Loop DOWN\n", isp->isp_name);
1514 break;
1515
1516 case ASYNC_LOOP_RESET:
1517 PRINTF("%s: Loop RESET\n", isp->isp_name);
1518 #ifdef ISP_TARGET_MODE
1519 isp_notify_ack(isp, NULL);
1520 #endif
1521 break;
1522
1523 case ASYNC_PDB_CHANGED:
1524 PRINTF("%s: Port Database Changed\n", isp->isp_name);
1525 break;
1526
1527 case ASYNC_CHANGE_NOTIFY:
1528 PRINTF("%s: Name Server Database Changed\n", isp->isp_name);
1529 break;
1530
1531 default:
1532 PRINTF("%s: async %x\n", isp->isp_name, mbox);
1533 break;
1534 }
1535 return (0);
1536 }
1537
1538 static int
1539 isp_handle_other_response(isp, sp, optrp)
1540 struct ispsoftc *isp;
1541 ispstatusreq_t *sp;
1542 u_int8_t *optrp;
1543 {
1544 u_int8_t iptr, optr;
1545 int reqsize = 0;
1546 void *ireqp = NULL;
1547 #ifdef ISP_TARGET_MODE
1548 union {
1549 at_entry_t *atio;
1550 at2_entry_t *at2io;
1551 ct_entry_t *ctio;
1552 ct2_entry_t *ct2io;
1553 lun_entry_t *lunen;
1554 in_entry_t *inot;
1555 in_fcentry_t *inot_fc;
1556 na_entry_t *nack;
1557 na_fcentry_t *nack_fc;
1558 void *voidp;
1559 #define atio un.atio
1560 #define at2io un.at2io
1561 #define ctio un.ctio
1562 #define ct2io un.ct2io
1563 #define lunen un.lunen
1564 #define inot un.inot
1565 #define inot_fc un.inot_fc
1566 #define nack un.nack
1567 #define nack_fc un.nack_fc
1568 } un;
1569
1570 un.voidp = sp;
1571 #endif
1572
1573
1574 switch (sp->req_header.rqs_entry_type) {
1575 case RQSTYPE_REQUEST:
1576 return (-1);
1577 #ifdef ISP_TARGET_MODE
1578 case RQSTYPE_NOTIFY_ACK:
1579 {
1580 static const char *f =
1581 "%s: Notify Ack Status 0x%x Sequence Id 0x%x\n"
1582 /*
1583 * The ISP is acknowleding our ack of an Immediate Notify.
1584 */
1585 if (isp->isp_type & ISP_HA_FC) {
1586 PRINTF(f, isp->isp_name,
1587 nack_fc->na-status, nack_fc->na_seqid);
1588 } else {
1589 PRINTF(f, isp->isp_name,
1590 nack->na_status, nack->na_seqid);
1591 }
1592 break;
1593 }
1594 case RQSTYPE_NOTIFY:
1595 {
1596 u_int16_t seqid, status;
1597
1598 /*
1599 * Either the ISP received a SCSI message it cannot handle
1600 * or some other out of band condition (e.g., Port Logout)
1601 * or it is returning an Immediate Notify entry we sent.
1602 */
1603 if (isp->isp_type & ISP_HA_FC) {
1604 status = inot_fc->status;
1605 seqid = inot_fc->in_seqid;
1606 } else {
1607 status = inot->status;
1608 seqid = inot->seqid & 0xff;
1609 }
1610 PRINTF("%s: Immediate Notify Status 0x%x Sequence Id 0x%x\n",
1611 isp->isp_name, status, seqid);
1612
1613 switch (status) {
1614 case IN_MSG_RECEIVED:
1615 case IN_IDE_RECEIVED:
1616 ptisp_got_msg(ptp, &inot);
1617 break;
1618 case IN_RSRC_UNAVAIL:
1619 PRINTF("%s: Firmware out of ATIOs\n", isp->isp_name);
1620 break;
1621 case IN_ABORT_TASK:
1622 PRINTF("%s: Abort Task iid %d rx_id 0x%x\n",
1623 inot_fc->in_iid, seqid);
1624 break;
1625 case IN_PORT_LOGOUT:
1626 PRINTF("%s: Port Logout for Initiator %d\n",
1627 isp->isp_name, inot_fc->in_iid);
1628 break;
1629 default:
1630 PRINTF("%s: bad status (0x%x) in Immediate Notify\n",
1631 isp->isp_name, status);
1632 break;
1633
1634 }
1635 isp_notify_ack(isp, un.voidp);
1636 reqsize = 0;
1637 break;
1638 }
1639 case RQSTYPE_ENABLE_LUN:
1640 case RQSTYPE_MODIFY_LUN:
1641 if (lunen->req_status != 1) {
1642 PRINTF("%s: ENABLE/MODIFY LUN returned status 0x%x\n",
1643 isp->isp_name, lunen->req_status);
1644 }
1645 break;
1646 case RQSTYPE_ATIO2:
1647 {
1648 fcparam *fcp = isp->isp_param;
1649 ispctiot2_t local, *ct2 = NULL;
1650 ispatiot2_t *at2 = (ispatiot2_t *) sp;
1651 int s, lun;
1652
1653 #ifdef SCCLUN
1654 lun = at2->req_scclun;
1655 #else
1656 lun = at2->req_lun;
1657 #endif
1658 PRINTF("%s: atio2 loopid %d for lun %d rxid 0x%x flags0x%x "
1659 "tflags0x%x ecodes0x%x rqstatus0x%x\n", isp->isp_name,
1660 at2->req_initiator, lun, at2->req_rxid,
1661 at2->req_flags, at2->req_taskflags, at2->req_execodes,
1662 at2->req_status);
1663
1664 switch (at2->req_status & ~ATIO_SENSEVALID) {
1665 case ATIO_PATH_INVALID:
1666 PRINTF("%s: ATIO2 Path Invalid\n", isp->isp_name);
1667 break;
1668 case ATIO_NOCAP:
1669 PRINTF("%s: ATIO2 No Cap\n", isp->isp_name);
1670 break;
1671 case ATIO_BDR_MSG:
1672 PRINTF("%s: ATIO2 BDR Received\n", isp->isp_name);
1673 break;
1674 case ATIO_CDB_RECEIVED:
1675 ct2 = &local;
1676 break;
1677 default:
1678 PRINTF("%s: unknown req_status 0x%x\n", isp->isp_name,
1679 at2->req_status);
1680 break;
1681 }
1682 if (ct2 == NULL) {
1683 /*
1684 * Just do an ACCEPT on this fellow.
1685 */
1686 at2->req_header.rqs_entry_type = RQSTYPE_ATIO2;
1687 at2->req_header.rqs_flags = 0;
1688 at2->req_flags = 1;
1689 ireqp = at2;
1690 reqsize = sizeof (*at2);
1691 break;
1692 }
1693 PRINTF("%s: datalen %d cdb0=0x%x\n", isp->isp_name,
1694 at2->req_datalen, at2->req_cdb[0]);
1695 MEMZERO((void *) ct2, sizeof (*ct2));
1696 ct2->req_header.rqs_entry_type = RQSTYPE_CTIO2;
1697 ct2->req_header.rqs_entry_count = 1;
1698 ct2->req_header.rqs_flags = 0;
1699 ct2->req_header.rqs_seqno = isp->isp_seqno++;
1700 ct2->req_handle = (at2->req_initiator << 16) | lun;
1701 #ifndef SCCLUN
1702 ct2->req_lun = lun;
1703 #endif
1704 ct2->req_initiator = at2->req_initiator;
1705 ct2->req_rxid = at2->req_rxid;
1706
1707 ct2->req_flags = CTIO_SEND_STATUS;
1708 switch (at2->req_cdb[0]) {
1709 case 0x0: /* TUR */
1710 ct2->req_flags |= CTIO_NODATA | CTIO2_SMODE0;
1711 ct2->req_m.mode0.req_scsi_status = CTIO2_STATUS_VALID;
1712 break;
1713
1714 case 0x3: /* REQUEST SENSE */
1715 case 0x12: /* INQUIRE */
1716 ct2->req_flags |= CTIO_SEND_DATA | CTIO2_SMODE0;
1717 ct2->req_m.mode0.req_scsi_status = CTIO2_STATUS_VALID;
1718 ct2->req_seg_count = 1;
1719 if (at2->req_cdb[0] == 0x12) {
1720 s = sizeof(tgtiqd);
1721 memcpy(fcp->isp_scratch, tgtiqd, s);
1722 } else {
1723 s = at2->req_datalen;
1724 MEMZERO(fcp->isp_scratch, s);
1725 }
1726 ct2->req_m.mode0.req_dataseg[0].ds_base =
1727 fcp->isp_scdma;
1728 ct2->req_m.mode0.req_dataseg[0].ds_count = s;
1729 ct2->req_m.mode0.req_datalen = s;
1730 #if 1
1731 if (at2->req_datalen < s) {
1732 ct2->req_m.mode1.req_scsi_status |=
1733 CTIO2_RESP_VALID|CTIO2_RSPOVERUN;
1734 } else if (at2->req_datalen > s) {
1735 ct2->req_m.mode1.req_scsi_status |=
1736 CTIO2_RESP_VALID|CTIO2_RSPUNDERUN;
1737 }
1738 #endif
1739 break;
1740
1741 default: /* ALL OTHERS */
1742 ct2->req_flags |= CTIO_NODATA | CTIO2_SMODE1;
1743 ct2->req_m.mode1.req_scsi_status = 0;
1744 #if 1
1745 if (at2->req_datalen) {
1746 ct2->req_m.mode1.req_scsi_status |=
1747 CTIO2_RSPUNDERUN;
1748 #if BYTE_ORDER == BIG_ENDIAN
1749 ct2->req_resid[1] = at2->req_datalen & 0xff;
1750 ct2->req_resid[0] =
1751 (at2->req_datalen >> 8) & 0xff;
1752 ct2->req_resid[3] =
1753 (at2->req_datalen >> 16) & 0xff;
1754 ct2->req_resid[2] =
1755 (at2->req_datalen >> 24) & 0xff;
1756 #else
1757 ct2->req_resid[0] = at2->req_datalen & 0xff;
1758 ct2->req_resid[1] =
1759 (at2->req_datalen >> 8) & 0xff;
1760 ct2->req_resid[2] =
1761 (at2->req_datalen >> 16) & 0xff;
1762 ct2->req_resid[3] =
1763 (at2->req_datalen >> 24) & 0xff;
1764 #endif
1765 }
1766 #endif
1767 if ((at2->req_status & ATIO_SENSEVALID) == 0) {
1768 ct2->req_m.mode1.req_sense_len = 18;
1769 ct2->req_m.mode1.req_scsi_status |= 2;
1770 ct2->req_m.mode1.req_response[0] = 0x70;
1771 ct2->req_m.mode1.req_response[2] = 0x2;
1772 } else {
1773 ct2->req_m.mode1.req_sense_len = 18;
1774 ct2->req_m.mode1.req_scsi_status |=
1775 at2->req_scsi_status;
1776 memcpy(ct2->req_m.mode1.req_response,
1777 at2->req_sense, sizeof (at2->req_sense));
1778 }
1779 break;
1780 }
1781 reqsize = sizeof (*ct2);
1782 ireqp = ct2;
1783 break;
1784 }
1785 case RQSTYPE_CTIO2:
1786 {
1787 ispatiot2_t *at2;
1788 ispctiot2_t *ct2 = (ispctiot2_t *) sp;
1789 PRINTF("%s: CTIO2 returned status 0x%x\n", isp->isp_name,
1790 ct2->req_status);
1791 /*
1792 * Return the ATIO to the board.
1793 */
1794 at2 = (ispatiot2_t *) sp;
1795 at2->req_header.rqs_entry_type = RQSTYPE_ATIO2;
1796 at2->req_header.rqs_entry_count = 1;
1797 at2->req_header.rqs_flags = 0;
1798 at2->req_header.rqs_seqno = isp->isp_seqno++;
1799 at2->req_status = 1;
1800 reqsize = sizeof (*at2);
1801 ireqp = at2;
1802 break;
1803 }
1804 #undef atio
1805 #undef at2io
1806 #undef ctio
1807 #undef ct2io
1808 #undef lunen
1809 #undef inot
1810 #undef inot_fc
1811 #undef nack
1812 #undef nack_fc
1813 #endif
1814 default:
1815 PRINTF("%s: other response type %x\n", isp->isp_name,
1816 sp->req_header.rqs_entry_type);
1817 break;
1818 }
1819 if (reqsize) {
1820 void *reqp;
1821 optr = isp->isp_reqodx = ISP_READ(isp, OUTMAILBOX4);
1822 iptr = isp->isp_reqidx;
1823 reqp = (void *) ISP_QUEUE_ENTRY(isp->isp_rquest, iptr);
1824 iptr = ISP_NXT_QENTRY(iptr, RQUEST_QUEUE_LEN);
1825 if (iptr == optr) {
1826 PRINTF("%s: Request Queue Overflow other response\n",
1827 isp->isp_name);
1828 } else {
1829 memcpy(reqp, ireqp, reqsize);
1830 ISP_WRITE(isp, INMAILBOX4, iptr);
1831 isp->isp_reqidx = iptr;
1832 }
1833 }
1834 return (0);
1835 }
1836
1837 #ifdef ISP_TARGET_MODE
1838
1839 static void isp_tmd_newcmd_dflt __P((void *, tmd_cmd_t *));
1840 static void isp_tmd_event_dflt __P((void *, int));
1841 static void isp_tmd_notify_dflt __P((void *, tmd_notify_t *));
1842
1843 static void isp_tgt_data_xfer __P ((tmd_cmd_t *));
1844 static void isp_tgt_endcmd __P ((tmd_cmd_t *, u_int8_t));
1845 static void isp_tgt_done __P ((tmd_cmd_t *));
1846
1847 static void
1848 isp_tmd_newcmd_dflt(arg0, cmdp)
1849 void *arg0;
1850 tmd_cmd_t *cmdp;
1851 {
1852 }
1853
1854 static void
1855 isp_tmd_event_dflt(arg0, event)
1856 void *arg0;
1857 int event;
1858 {
1859 }
1860
1861 static void
1862 isp_tmd_notify_dflt(arg0, npt)
1863 void *arg0;
1864 tmd_notify_t *npt;
1865 {
1866 }
1867
1868 /*
1869 * Locks held, and ints disabled (if FC).
1870 *
1871 * XXX: SETUP ONLY FOR INITIAL ENABLING RIGHT NOW
1872 */
1873 static int
1874 isp_modify_lun(isp, lun, icnt, ccnt)
1875 struct ispsoftc *isp;
1876 int lun; /* logical unit to enable, modify, or disable */
1877 int icnt; /* immediate notify count */
1878 int ccnt; /* command count */
1879 {
1880 isplun_t *ip = NULL;
1881 u_int8_t iptr, optr;
1882
1883 optr = isp->isp_reqodx = ISP_READ(isp, OUTMAILBOX4);
1884 iptr = isp->isp_reqidx;
1885 ip = (isplun_t *) ISP_QUEUE_ENTRY(isp->isp_rquest, iptr);
1886 iptr = ISP_NXT_QENTRY(iptr, RQUEST_QUEUE_LEN);
1887 if (iptr == optr) {
1888 PRINTF("%s: Request Queue Overflow in isp_modify_lun\n",
1889 isp->isp_name);
1890 return (-1);
1891 }
1892
1893 MEMZERO((void *) ip, sizeof (*ip));
1894 ip->req_header.rqs_entry_type = RQSTYPE_ENABLE_LUN;
1895 ip->req_header.rqs_entry_count = 1;
1896 ip->req_header.rqs_seqno = isp->isp_seqno++;
1897 ip->req_handle = RQSTYPE_ENABLE_LUN;
1898 if (isp->isp_type & ISP_HA_SCSI) {
1899 ip->req_lun = lun;
1900 }
1901 ip->req_cmdcount = ccnt;
1902 ip->req_imcount = icnt;
1903 ip->req_timeout = 0; /* default 30 seconds */
1904 ISP_WRITE(isp, INMAILBOX4, iptr);
1905 isp->isp_reqidx = iptr;
1906 return (0);
1907 }
1908
1909 static void
1910 isp_notify_ack(isp, ptrp)
1911 struct ispsoftc *isp;
1912 void *ptrp;
1913 {
1914 void *reqp;
1915 u_int8_t iptr, optr;
1916 union {
1917 na_fcentry_t _naf;
1918 na_entry_t _nas;
1919 } un;
1920
1921 MEMZERO((caddr_t)&un, sizeof (un));
1922 un._nas.na_header.rqs_entry_type = RQSTYPE_NOTIFY_ACK;
1923 un._nas.na_header.rqs_entry_count = 1;
1924
1925 if (isp->isp_type & ISP_HA_FC) {
1926 na_fcentry_t *na = &un._nas;
1927 if (ptrp) {
1928 in_fcentry_t *inp = ptrp;
1929 na->na_iid = inp->in_iid;
1930 na->na_lun = inp->in_lun;
1931 na->na_task_flags = inp->in_task_flags;
1932 na->na_seqid = inp->in_seqid;
1933 na->na_status = inp->in_status;
1934 } else {
1935 na->na_flags = NAFC_RST_CLRD;
1936 }
1937 } else {
1938 na_entry_t *na = &un._nas;
1939 if (ptrp) {
1940 in_entry_t *inp = ptrp;
1941 na->na_iid = inp->in_iid;
1942 na->na_lun = inp->in_lun;
1943 na->na_tgt = inp->in_tgt;
1944 na->na_seqid = inp->in_seqid;
1945 } else {
1946 na->na_flags = NA_RST_CLRD;
1947 }
1948 }
1949 optr = isp->isp_reqodx = ISP_READ(isp, OUTMAILBOX4);
1950 iptr = isp->isp_reqidx;
1951 reqp = (void *) ISP_QUEUE_ENTRY(isp->isp_rquest, iptr);
1952 iptr = ISP_NXT_QENTRY(iptr, RQUEST_QUEUE_LEN);
1953 if (iptr == optr) {
1954 PRINTF("%s: Request Queue Overflow For isp_notify_ack\n",
1955 isp->isp_name);
1956 } else {
1957 memcpy(reqp, ireqp, sizeof (un));
1958 ISP_WRITE(isp, INMAILBOX4, iptr);
1959 isp->isp_reqidx = iptr;
1960 }
1961 }
1962
1963 /*
1964 * These are dummy stubs for now until the outside framework is plugged in.
1965 */
1966
1967 static void
1968 isp_handle_atio (isp, aep)
1969 struct ispsoftc *isp;
1970 at_entry_t *aep;
1971 {
1972 int status, connected;
1973 tmd_cmd_t local, *cdp = &local;
1974
1975 /*
1976 * Get the ATIO status and see if we're still connected.
1977 */
1978 status = aep->at_status;
1979 connected = ((aep->at_flags & AT_NODISC) != 0);
1980
1981 PRINTF("%s: ATIO status=0x%x, connected=%d\n", isp->isp_name,
1982 status, connected);
1983
1984 /*
1985 * The firmware status (except for the SenseValid bit) indicates
1986 * why this ATIO was sent to us.
1987 * If SenseValid is set, the firware has recommended Sense Data.
1988 * If the Disconnects Disabled bit is set in the flags field,
1989 * we're still connected on the SCSI bus - i.e. the initiator
1990 * did not set DiscPriv in the identify message. We don't care
1991 * about this so it's ignored.
1992 */
1993 switch(status & ~TGTSVALID) {
1994 case AT_PATH_INVALID:
1995 /*
1996 * ATIO rejected by the firmware due to disabled lun.
1997 */
1998 PRINTF("%s: Firmware rejected ATIO for disabled lun %d\n",
1999 isp->isp_name, aep->at_lun);
2000 break;
2001
2002 case AT_PHASE_ERROR:
2003 /*
2004 * Bus Pase Sequence error.
2005 *
2006 * The firmware should have filled in the correct
2007 * sense data.
2008 */
2009
2010
2011 if (status & TGTSVALID) {
2012 memcpy(&cdp->cd_sensedata, aep->at_sense,
2013 sizeof (cdp->cd_sensedata));
2014 PRINTF("%s: Bus Phase Sequence error key 0x%x\n",
2015 isp->isp_name, cdp->cd_sensedata[2] & 0xf);
2016 } else {
2017 PRINTF("%s: Bus Phase Sequence With No Sense\n",
2018 isp->isp_name);
2019 }
2020 (*isp->isp_tmd_newcmd)(isp, cdp);
2021 break;
2022
2023 case AT_NOCAP:
2024 /*
2025 * Requested Capability not available
2026 * We sent an ATIO that overflowed the firmware's
2027 * command resource count.
2028 */
2029 PRINTF("%s: Firmware rejected ATIO, command count overflow\n",
2030 isp->isp_name);
2031 break;
2032
2033 case AT_BDR_MSG:
2034 /*
2035 * If we send an ATIO to the firmware to increment
2036 * its command resource count, and the firmware is
2037 * recovering from a Bus Device Reset, it returns
2038 * the ATIO with this status.
2039 */
2040 PRINTF("%s: ATIO returned with BDR received\n", isp->isp_name);
2041 break;
2042
2043 case AT_CDB:
2044 /*
2045 * New CDB
2046 */
2047 cdp->cd_hba = isp;
2048 cdp->cd_iid = aep->at_iid;
2049 cdp->cd_tgt = aep->at_tgt;
2050 cdp->cd_lun = aep->at_lun;
2051 cdp->cd_tagtype = aep->at_tag_type;
2052 cdp->cd_tagval = aep->at_tag_val;
2053 memcpy(cdp->cd_cdb, aep->at_cdb, 16);
2054 PRINTF("%s: CDB 0x%x itl %d/%d/%d\n", isp->isp_name,
2055 cdp->cd_cdb[0], cdp->cd_iid, cdp->cd_tgt, cdp->cd_lun);
2056 (*isp->isp_tmd_newcmd)(isp, cdp);
2057 break;
2058
2059 default:
2060 PRINTF("%s: Unknown status (0x%x) in ATIO\n",
2061 isp->isp_name, status);
2062 cdp->cd_hba = isp;
2063 cdp->cd_iid = aep->at_iid;
2064 cdp->cd_tgt = aep->at_tgt;
2065 cdp->cd_lun = aep->at_lun;
2066 cdp->cd_tagtype = aep->at_tag_type;
2067 cdp->cd_tagval = aep->at_tag_val;
2068 isp_tgtcmd_done(cdp);
2069 break;
2070 }
2071 }
2072
2073 static void
2074 isp_handle_atio2(isp, aep)
2075 struct ispsoftc *isp;
2076 at2_entry_t *aep;
2077 {
2078 int status;
2079 tmd_cmd_t local, *cdp = &local;
2080
2081 /*
2082 * Get the ATIO2 status.
2083 */
2084 status = aep->at_status;
2085 PRINTD("%s: ATIO2 status=0x%x\n", status);
2086
2087 /*
2088 * The firmware status (except for the SenseValid bit) indicates
2089 * why this ATIO was sent to us.
2090 * If SenseValid is set, the firware has recommended Sense Data.
2091 */
2092 switch(status & ~TGTSVALID) {
2093 case AT_PATH_INVALID:
2094 /*
2095 * ATIO rejected by the firmware due to disabled lun.
2096 */
2097 PRINTF("%s: Firmware rejected ATIO2 for disabled lun %d\n",
2098 isp->isp_name, aep->at_lun);
2099 break;
2100
2101 case AT_NOCAP:
2102 /*
2103 * Requested Capability not available
2104 * We sent an ATIO that overflowed the firmware's
2105 * command resource count.
2106 */
2107 PRINTF("%s: Firmware rejected ATIO2, command count overflow\n",
2108 isp->isp_name);
2109 break;
2110
2111 case AT_BDR_MSG:
2112 /*
2113 * If we send an ATIO to the firmware to increment
2114 * its command resource count, and the firmware is
2115 * recovering from a Bus Device Reset, it returns
2116 * the ATIO with this status.
2117 */
2118 PRINTF("%s: ATIO2 returned with BDR rcvd\n", isp->isp_name);
2119 break;
2120
2121 case AT_CDB:
2122 /*
2123 * New CDB
2124 */
2125 cdp->cd_hba = isp;
2126 cdp->cd_iid = aep->at_iid;
2127 cdp->cd_tgt = 0;
2128 cdp->cd_lun = aep->at_lun;
2129 memcpy(cdp->cd_cdb, aep->at_cdb, 16);
2130 cdp->cd_rxid = aep->at_rxid;
2131 cdp->cp_origdlen = aep->at_datalen;
2132 cdp->cp_totbytes = 0;
2133 PRINTF("%s: CDB 0x%x rx_id 0x%x itl %d/%d/%d dlen %d\n",
2134 isp->isp_name, cdp->cd_cdb[0], cdp->cd_tagval, cdp->cd_iid,
2135 cdp->cd_tgt, cdp->cd_lun, aep->at_datalen);
2136 (*isp->isp_tmd_newcmd)(isp, cdp);
2137 break;
2138
2139 default:
2140 PRINTF("%s: Unknown status (0x%x) in ATIO2\n",
2141 isp->isp_name, status);
2142 cdp->cd_hba = isp;
2143 cdp->cd_iid = aep->at_iid;
2144 cdp->cd_tgt = aep->at_tgt;
2145 cdp->cd_lun = aep->at_lun;
2146 cdp->cp_rxid = aep->at_rxid;
2147 isp_tgtcmd_done(cdp);
2148 break;
2149 }
2150 }
2151
2152 static void
2153 isp_handle_ctio(isp, cep)
2154 struct ispsoftc *isp;
2155 ct_entry_t *aep;
2156 {
2157 }
2158
2159 static void
2160 isp_handle_ctio2(isp, cep)
2161 struct ispsoftc *isp;
2162 at2_entry_t *aep;
2163 {
2164 }
2165 #endif
2166
2167 static void
2168 isp_parse_status(isp, sp, xs)
2169 struct ispsoftc *isp;
2170 ispstatusreq_t *sp;
2171 ISP_SCSI_XFER_T *xs;
2172 {
2173 switch (sp->req_completion_status) {
2174 case RQCS_COMPLETE:
2175 XS_SETERR(xs, HBA_NOERROR);
2176 return;
2177
2178 case RQCS_INCOMPLETE:
2179 if ((sp->req_state_flags & RQSF_GOT_TARGET) == 0) {
2180 IDPRINTF(3, ("%s: Selection Timeout for target %d\n",
2181 isp->isp_name, XS_TGT(xs)));
2182 XS_SETERR(xs, HBA_SELTIMEOUT);
2183 return;
2184 }
2185 PRINTF("%s: command incomplete for target %d lun %d, state "
2186 "0x%x\n", isp->isp_name, XS_TGT(xs), XS_LUN(xs),
2187 sp->req_state_flags);
2188 break;
2189
2190 case RQCS_DMA_ERROR:
2191 PRINTF("%s: DMA error for command on target %d, lun %d\n",
2192 isp->isp_name, XS_TGT(xs), XS_LUN(xs));
2193 break;
2194
2195 case RQCS_TRANSPORT_ERROR:
2196 PRINTF("%s: transport error\n", isp->isp_name);
2197 isp_prtstst(sp);
2198 break;
2199
2200 case RQCS_RESET_OCCURRED:
2201 IDPRINTF(2, ("%s: bus reset destroyed command for target %d "
2202 "lun %d\n", isp->isp_name, XS_TGT(xs), XS_LUN(xs)));
2203 isp->isp_sendmarker = 1;
2204 XS_SETERR(xs, HBA_BUSRESET);
2205 return;
2206
2207 case RQCS_ABORTED:
2208 PRINTF("%s: command aborted for target %d lun %d\n",
2209 isp->isp_name, XS_TGT(xs), XS_LUN(xs));
2210 isp->isp_sendmarker = 1;
2211 XS_SETERR(xs, HBA_ABORTED);
2212 return;
2213
2214 case RQCS_TIMEOUT:
2215 IDPRINTF(2, ("%s: command timed out for target %d lun %d\n",
2216 isp->isp_name, XS_TGT(xs), XS_LUN(xs)));
2217 XS_SETERR(xs, HBA_CMDTIMEOUT);
2218 return;
2219
2220 case RQCS_DATA_OVERRUN:
2221 if (isp->isp_type & ISP_HA_FC) {
2222 XS_RESID(xs) = sp->req_resid;
2223 break;
2224 }
2225 XS_SETERR(xs, HBA_DATAOVR);
2226 return;
2227
2228 case RQCS_COMMAND_OVERRUN:
2229 PRINTF("%s: command overrun for command on target %d, lun %d\n",
2230 isp->isp_name, XS_TGT(xs), XS_LUN(xs));
2231 break;
2232
2233 case RQCS_STATUS_OVERRUN:
2234 PRINTF("%s: status overrun for command on target %d, lun %d\n",
2235 isp->isp_name, XS_TGT(xs), XS_LUN(xs));
2236 break;
2237
2238 case RQCS_BAD_MESSAGE:
2239 PRINTF("%s: message not COMMAND COMPLETE after status on "
2240 "target %d, lun %d\n", isp->isp_name, XS_TGT(xs),
2241 XS_LUN(xs));
2242 break;
2243
2244 case RQCS_NO_MESSAGE_OUT:
2245 PRINTF("%s: No MESSAGE OUT phase after selection on "
2246 "target %d, lun %d\n", isp->isp_name, XS_TGT(xs),
2247 XS_LUN(xs));
2248 break;
2249
2250 case RQCS_EXT_ID_FAILED:
2251 PRINTF("%s: EXTENDED IDENTIFY failed on target %d, lun %d\n",
2252 isp->isp_name, XS_TGT(xs), XS_LUN(xs));
2253 break;
2254
2255 case RQCS_IDE_MSG_FAILED:
2256 PRINTF("%s: target %d lun %d rejected INITIATOR DETECTED "
2257 "ERROR message\n", isp->isp_name, XS_TGT(xs), XS_LUN(xs));
2258 break;
2259
2260 case RQCS_ABORT_MSG_FAILED:
2261 PRINTF("%s: target %d lun %d rejected ABORT message\n",
2262 isp->isp_name, XS_TGT(xs), XS_LUN(xs));
2263 break;
2264
2265 case RQCS_REJECT_MSG_FAILED:
2266 PRINTF("%s: target %d lun %d rejected MESSAGE REJECT message\n",
2267 isp->isp_name, XS_TGT(xs), XS_LUN(xs));
2268 break;
2269
2270 case RQCS_NOP_MSG_FAILED:
2271 PRINTF("%s: target %d lun %d rejected NOP message\n",
2272 isp->isp_name, XS_TGT(xs), XS_LUN(xs));
2273 break;
2274
2275 case RQCS_PARITY_ERROR_MSG_FAILED:
2276 PRINTF("%s: target %d lun %d rejected MESSAGE PARITY ERROR "
2277 "message\n", isp->isp_name, XS_TGT(xs), XS_LUN(xs));
2278 break;
2279
2280 case RQCS_DEVICE_RESET_MSG_FAILED:
2281 PRINTF("%s: target %d lun %d rejected BUS DEVICE RESET "
2282 "message\n", isp->isp_name, XS_TGT(xs), XS_LUN(xs));
2283 break;
2284
2285 case RQCS_ID_MSG_FAILED:
2286 PRINTF("%s: target %d lun %d rejected IDENTIFY "
2287 "message\n", isp->isp_name, XS_TGT(xs), XS_LUN(xs));
2288 break;
2289
2290 case RQCS_UNEXP_BUS_FREE:
2291 PRINTF("%s: target %d lun %d had an unexpected bus free\n",
2292 isp->isp_name, XS_TGT(xs), XS_LUN(xs));
2293 break;
2294
2295 case RQCS_DATA_UNDERRUN:
2296 if (isp->isp_type & ISP_HA_FC) {
2297 XS_RESID(xs) = sp->req_resid;
2298 /* an UNDERRUN is not a botch ??? */
2299 }
2300 XS_SETERR(xs, HBA_NOERROR);
2301 return;
2302
2303 case RQCS_XACT_ERR1:
2304 PRINTF("%s: HBA attempted queued transaction with disconnect "
2305 "not set for target %d lun %d\n", isp->isp_name, XS_TGT(xs),
2306 XS_LUN(xs));
2307 break;
2308
2309 case RQCS_XACT_ERR2:
2310 PRINTF("%s: HBA attempted queued transaction to target "
2311 "routine %d on target %d\n", isp->isp_name, XS_LUN(xs),
2312 XS_TGT(xs));
2313 break;
2314
2315 case RQCS_XACT_ERR3:
2316 PRINTF("%s: HBA attempted queued transaction for target %d lun "
2317 "%d when queueing disabled\n", isp->isp_name, XS_TGT(xs),
2318 XS_LUN(xs));
2319 break;
2320
2321 case RQCS_BAD_ENTRY:
2322 PRINTF("%s: invalid IOCB entry type detected\n", isp->isp_name);
2323 break;
2324
2325 case RQCS_QUEUE_FULL:
2326 PRINTF("%s: internal queues full for target %d lun %d "
2327 "status 0x%x\n", isp->isp_name, XS_TGT(xs), XS_LUN(xs),
2328 XS_STS(xs));
2329 /*
2330 * If QFULL or some other status byte is set, then this
2331 * isn't an error, per se.
2332 */
2333 if (XS_STS(xs) != 0) {
2334 XS_SETERR(xs, HBA_NOERROR);
2335 return;
2336 }
2337 break;
2338
2339 case RQCS_PHASE_SKIPPED:
2340 PRINTF("%s: SCSI phase skipped (e.g., COMMAND COMPLETE w/o "
2341 "STATUS phase) for target %d lun %d\n", isp->isp_name,
2342 XS_TGT(xs), XS_LUN(xs));
2343 break;
2344
2345 case RQCS_ARQS_FAILED:
2346 PRINTF("%s: Auto Request Sense failed for target %d lun %d\n",
2347 isp->isp_name, XS_TGT(xs), XS_LUN(xs));
2348 XS_SETERR(xs, HBA_ARQFAIL);
2349 return;
2350
2351 case RQCS_WIDE_FAILED:
2352 PRINTF("%s: Wide Negotiation failed for target %d lun %d\n",
2353 isp->isp_name, XS_TGT(xs), XS_LUN(xs));
2354 if (isp->isp_type & ISP_HA_SCSI) {
2355 sdparam *sdp = isp->isp_param;
2356 isp->isp_update = 1;
2357 sdp->isp_devparam[XS_TGT(xs)].dev_update = 1;
2358 sdp->isp_devparam[XS_TGT(xs)].dev_flags &= ~DPARM_WIDE;
2359 }
2360 XS_SETERR(xs, HBA_NOERROR);
2361 return;
2362
2363 case RQCS_SYNCXFER_FAILED:
2364 PRINTF("%s: SDTR Message failed for target %d lun %d\n",
2365 isp->isp_name, XS_TGT(xs), XS_LUN(xs));
2366 if (isp->isp_type & ISP_HA_SCSI) {
2367 sdparam *sdp = isp->isp_param;
2368 isp->isp_update = 1;
2369 sdp->isp_devparam[XS_TGT(xs)].dev_update = 1;
2370 sdp->isp_devparam[XS_TGT(xs)].dev_flags &= ~DPARM_SYNC;
2371 }
2372 break;
2373
2374 case RQCS_LVD_BUSERR:
2375 PRINTF("%s: Bad LVD Bus condition while talking to target %d "
2376 "lun %d\n", isp->isp_name, XS_TGT(xs), XS_LUN(xs));
2377 break;
2378
2379 case RQCS_PORT_UNAVAILABLE:
2380 /*
2381 * No such port on the loop. Moral equivalent of SELTIMEO
2382 */
2383 IDPRINTF(3, ("%s: Port Unavailable for target %d\n",
2384 isp->isp_name, XS_TGT(xs)));
2385 XS_SETERR(xs, HBA_SELTIMEOUT);
2386 return;
2387
2388 case RQCS_PORT_LOGGED_OUT:
2389 /*
2390 * It was there (maybe)- treat as a selection timeout.
2391 */
2392 PRINTF("%s: port logout for target %d\n",
2393 isp->isp_name, XS_TGT(xs));
2394 XS_SETERR(xs, HBA_SELTIMEOUT);
2395 return;
2396
2397 case RQCS_PORT_CHANGED:
2398 PRINTF("%s: port changed for target %d\n",
2399 isp->isp_name, XS_TGT(xs));
2400 break;
2401
2402 case RQCS_PORT_BUSY:
2403 PRINTF("%s: port busy for target %d\n",
2404 isp->isp_name, XS_TGT(xs));
2405 XS_SETERR(xs, HBA_TGTBSY);
2406 return;
2407
2408 default:
2409 PRINTF("%s: comp status %x\n", isp->isp_name,
2410 sp->req_completion_status);
2411 break;
2412 }
2413 XS_SETERR(xs, HBA_BOTCH);
2414 }
2415
2416 #define HINIB(x) ((x) >> 0x4)
2417 #define LONIB(x) ((x) & 0xf)
2418 #define MAKNIB(a, b) (((a) << 4) | (b))
2419 static u_int8_t mbpcnt[] = {
2420 MAKNIB(1, 1), /* 0x00: MBOX_NO_OP */
2421 MAKNIB(5, 5), /* 0x01: MBOX_LOAD_RAM */
2422 MAKNIB(2, 0), /* 0x02: MBOX_EXEC_FIRMWARE */
2423 MAKNIB(5, 5), /* 0x03: MBOX_DUMP_RAM */
2424 MAKNIB(3, 3), /* 0x04: MBOX_WRITE_RAM_WORD */
2425 MAKNIB(2, 3), /* 0x05: MBOX_READ_RAM_WORD */
2426 MAKNIB(6, 6), /* 0x06: MBOX_MAILBOX_REG_TEST */
2427 MAKNIB(2, 3), /* 0x07: MBOX_VERIFY_CHECKSUM */
2428 MAKNIB(1, 3), /* 0x08: MBOX_ABOUT_FIRMWARE */
2429 MAKNIB(0, 0), /* 0x09: */
2430 MAKNIB(0, 0), /* 0x0a: */
2431 MAKNIB(0, 0), /* 0x0b: */
2432 MAKNIB(0, 0), /* 0x0c: */
2433 MAKNIB(0, 0), /* 0x0d: */
2434 MAKNIB(1, 2), /* 0x0e: MBOX_CHECK_FIRMWARE */
2435 MAKNIB(0, 0), /* 0x0f: */
2436 MAKNIB(5, 5), /* 0x10: MBOX_INIT_REQ_QUEUE */
2437 MAKNIB(6, 6), /* 0x11: MBOX_INIT_RES_QUEUE */
2438 MAKNIB(4, 4), /* 0x12: MBOX_EXECUTE_IOCB */
2439 MAKNIB(2, 2), /* 0x13: MBOX_WAKE_UP */
2440 MAKNIB(1, 6), /* 0x14: MBOX_STOP_FIRMWARE */
2441 MAKNIB(4, 4), /* 0x15: MBOX_ABORT */
2442 MAKNIB(2, 2), /* 0x16: MBOX_ABORT_DEVICE */
2443 MAKNIB(3, 3), /* 0x17: MBOX_ABORT_TARGET */
2444 MAKNIB(2, 2), /* 0x18: MBOX_BUS_RESET */
2445 MAKNIB(2, 3), /* 0x19: MBOX_STOP_QUEUE */
2446 MAKNIB(2, 3), /* 0x1a: MBOX_START_QUEUE */
2447 MAKNIB(2, 3), /* 0x1b: MBOX_SINGLE_STEP_QUEUE */
2448 MAKNIB(2, 3), /* 0x1c: MBOX_ABORT_QUEUE */
2449 MAKNIB(2, 4), /* 0x1d: MBOX_GET_DEV_QUEUE_STATUS */
2450 MAKNIB(0, 0), /* 0x1e: */
2451 MAKNIB(1, 3), /* 0x1f: MBOX_GET_FIRMWARE_STATUS */
2452 MAKNIB(1, 3), /* 0x20: MBOX_GET_INIT_SCSI_ID, MBOX_GET_LOOP_ID */
2453 MAKNIB(1, 2), /* 0x21: MBOX_GET_SELECT_TIMEOUT */
2454 MAKNIB(1, 3), /* 0x22: MBOX_GET_RETRY_COUNT */
2455 MAKNIB(1, 2), /* 0x23: MBOX_GET_TAG_AGE_LIMIT */
2456 MAKNIB(1, 2), /* 0x24: MBOX_GET_CLOCK_RATE */
2457 MAKNIB(1, 2), /* 0x25: MBOX_GET_ACT_NEG_STATE */
2458 MAKNIB(1, 2), /* 0x26: MBOX_GET_ASYNC_DATA_SETUP_TIME */
2459 MAKNIB(1, 3), /* 0x27: MBOX_GET_PCI_PARAMS */
2460 MAKNIB(2, 4), /* 0x28: MBOX_GET_TARGET_PARAMS */
2461 MAKNIB(2, 4), /* 0x29: MBOX_GET_DEV_QUEUE_PARAMS */
2462 MAKNIB(0, 0), /* 0x2a: */
2463 MAKNIB(0, 0), /* 0x2b: */
2464 MAKNIB(0, 0), /* 0x2c: */
2465 MAKNIB(0, 0), /* 0x2d: */
2466 MAKNIB(0, 0), /* 0x2e: */
2467 MAKNIB(0, 0), /* 0x2f: */
2468 MAKNIB(2, 2), /* 0x30: MBOX_SET_INIT_SCSI_ID */
2469 MAKNIB(2, 2), /* 0x31: MBOX_SET_SELECT_TIMEOUT */
2470 MAKNIB(3, 3), /* 0x32: MBOX_SET_RETRY_COUNT */
2471 MAKNIB(2, 2), /* 0x33: MBOX_SET_TAG_AGE_LIMIT */
2472 MAKNIB(2, 2), /* 0x34: MBOX_SET_CLOCK_RATE */
2473 MAKNIB(2, 2), /* 0x35: MBOX_SET_ACTIVE_NEG_STATE */
2474 MAKNIB(2, 2), /* 0x36: MBOX_SET_ASYNC_DATA_SETUP_TIME */
2475 MAKNIB(3, 3), /* 0x37: MBOX_SET_PCI_CONTROL_PARAMS */
2476 MAKNIB(4, 4), /* 0x38: MBOX_SET_TARGET_PARAMS */
2477 MAKNIB(4, 4), /* 0x39: MBOX_SET_DEV_QUEUE_PARAMS */
2478 MAKNIB(0, 0), /* 0x3a: */
2479 MAKNIB(0, 0), /* 0x3b: */
2480 MAKNIB(0, 0), /* 0x3c: */
2481 MAKNIB(0, 0), /* 0x3d: */
2482 MAKNIB(0, 0), /* 0x3e: */
2483 MAKNIB(0, 0), /* 0x3f: */
2484 MAKNIB(1, 2), /* 0x40: MBOX_RETURN_BIOS_BLOCK_ADDR */
2485 MAKNIB(6, 1), /* 0x41: MBOX_WRITE_FOUR_RAM_WORDS */
2486 MAKNIB(2, 3), /* 0x42: MBOX_EXEC_BIOS_IOCB */
2487 MAKNIB(0, 0), /* 0x43: */
2488 MAKNIB(0, 0), /* 0x44: */
2489 MAKNIB(0, 0), /* 0x45: */
2490 MAKNIB(0, 0), /* 0x46: */
2491 MAKNIB(0, 0), /* 0x47: */
2492 MAKNIB(0, 0), /* 0x48: */
2493 MAKNIB(0, 0), /* 0x49: */
2494 MAKNIB(0, 0), /* 0x4a: */
2495 MAKNIB(0, 0), /* 0x4b: */
2496 MAKNIB(0, 0), /* 0x4c: */
2497 MAKNIB(0, 0), /* 0x4d: */
2498 MAKNIB(0, 0), /* 0x4e: */
2499 MAKNIB(0, 0), /* 0x4f: */
2500 MAKNIB(0, 0), /* 0x50: */
2501 MAKNIB(0, 0), /* 0x51: */
2502 MAKNIB(0, 0), /* 0x52: */
2503 MAKNIB(0, 0), /* 0x53: */
2504 MAKNIB(8, 0), /* 0x54: MBOX_EXEC_COMMAND_IOCB_A64 */
2505 MAKNIB(0, 0), /* 0x55: */
2506 MAKNIB(0, 0), /* 0x56: */
2507 MAKNIB(0, 0), /* 0x57: */
2508 MAKNIB(0, 0), /* 0x58: */
2509 MAKNIB(0, 0), /* 0x59: */
2510 MAKNIB(0, 0), /* 0x5a: */
2511 MAKNIB(0, 0), /* 0x5b: */
2512 MAKNIB(0, 0), /* 0x5c: */
2513 MAKNIB(0, 0), /* 0x5d: */
2514 MAKNIB(0, 0), /* 0x5e: */
2515 MAKNIB(0, 0), /* 0x5f: */
2516 MAKNIB(8, 6), /* 0x60: MBOX_INIT_FIRMWARE */
2517 MAKNIB(0, 0), /* 0x60: MBOX_GET_INIT_CONTROL_BLOCK (FORMAT?) */
2518 MAKNIB(2, 1), /* 0x62: MBOX_INIT_LIP */
2519 MAKNIB(8, 1), /* 0x63: MBOX_GET_FC_AL_POSITION_MAP */
2520 MAKNIB(8, 1), /* 0x64: MBOX_GET_PORT_DB */
2521 MAKNIB(3, 1), /* 0x65: MBOX_CLEAR_ACA */
2522 MAKNIB(3, 1), /* 0x66: MBOX_TARGET_RESET */
2523 MAKNIB(3, 1), /* 0x67: MBOX_CLEAR_TASK_SET */
2524 MAKNIB(3, 1), /* 0x69: MBOX_ABORT_TASK_SET */
2525 MAKNIB(1, 2) /* 0x69: MBOX_GET_FW_STATE */
2526 };
2527 #define NMBCOM (sizeof (mbpcnt) / sizeof (mbpcnt[0]))
2528
2529 static void
2530 isp_mboxcmd(isp, mbp)
2531 struct ispsoftc *isp;
2532 mbreg_t *mbp;
2533 {
2534 int outparam, inparam;
2535 int loops, dld = 0;
2536 u_int8_t opcode;
2537
2538 if (mbp->param[0] == ISP2100_SET_PCI_PARAM) {
2539 opcode = mbp->param[0] = MBOX_SET_PCI_PARAMETERS;
2540 inparam = 4;
2541 outparam = 4;
2542 goto command_known;
2543 } else if (mbp->param[0] > NMBCOM) {
2544 PRINTF("%s: bad command %x\n", isp->isp_name, mbp->param[0]);
2545 return;
2546 }
2547
2548 opcode = mbp->param[0];
2549 inparam = HINIB(mbpcnt[mbp->param[0]]);
2550 outparam = LONIB(mbpcnt[mbp->param[0]]);
2551
2552 if (inparam == 0 && outparam == 0) {
2553 PRINTF("%s: no parameters for %x\n", isp->isp_name,
2554 mbp->param[0]);
2555 return;
2556 }
2557
2558
2559 /*
2560 * Check for variants
2561 */
2562 #ifdef SCCLUN
2563 if (isp->isp_type & ISP_HA_FC) {
2564 switch (mbp->param[0]) {
2565 case MBOX_ABORT:
2566 inparam = 7;
2567 break;
2568 case MBOX_ABORT_DEVICE:
2569 case MBOX_START_QUEUE:
2570 case MBOX_STOP_QUEUE:
2571 case MBOX_SINGLE_STEP_QUEUE:
2572 case MBOX_ABORT_QUEUE:
2573 case MBOX_GET_DEV_QUEUE_STATUS:
2574 inparam = 3;
2575 break;
2576 default:
2577 break;
2578 }
2579 }
2580 #endif
2581
2582 command_known:
2583
2584 /*
2585 * Make sure we can send some words..
2586 */
2587
2588 loops = MBOX_DELAY_COUNT;
2589 while ((ISP_READ(isp, HCCR) & HCCR_HOST_INT) != 0) {
2590 SYS_DELAY(100);
2591 if (--loops < 0) {
2592 PRINTF("%s: isp_mboxcmd timeout #1\n", isp->isp_name);
2593 if (dld++) {
2594 return;
2595 }
2596 PRINTF("%s: but we'll try again, isr=%x\n",
2597 isp->isp_name, ISP_READ(isp, BIU_ISR));
2598 if (ISP_READ(isp, BIU_SEMA) & 1) {
2599 u_int16_t mbox = ISP_READ(isp, OUTMAILBOX0);
2600 if (isp_parse_async(isp, (int) mbox))
2601 return;
2602 ISP_WRITE(isp, BIU_SEMA, 0);
2603 }
2604 ISP_WRITE(isp, HCCR, HCCR_CMD_CLEAR_RISC_INT);
2605 goto command_known;
2606 }
2607 }
2608
2609 /*
2610 * Write input parameters
2611 */
2612 switch (inparam) {
2613 case 8: ISP_WRITE(isp, INMAILBOX7, mbp->param[7]); mbp->param[7] = 0;
2614 case 7: ISP_WRITE(isp, INMAILBOX6, mbp->param[6]); mbp->param[6] = 0;
2615 case 6: ISP_WRITE(isp, INMAILBOX5, mbp->param[5]); mbp->param[5] = 0;
2616 case 5: ISP_WRITE(isp, INMAILBOX4, mbp->param[4]); mbp->param[4] = 0;
2617 case 4: ISP_WRITE(isp, INMAILBOX3, mbp->param[3]); mbp->param[3] = 0;
2618 case 3: ISP_WRITE(isp, INMAILBOX2, mbp->param[2]); mbp->param[2] = 0;
2619 case 2: ISP_WRITE(isp, INMAILBOX1, mbp->param[1]); mbp->param[1] = 0;
2620 case 1: ISP_WRITE(isp, INMAILBOX0, mbp->param[0]); mbp->param[0] = 0;
2621 }
2622
2623 /*
2624 * Clear semaphore on mailbox registers
2625 */
2626 ISP_WRITE(isp, BIU_SEMA, 0);
2627
2628 /*
2629 * Clear RISC int condition.
2630 */
2631 ISP_WRITE(isp, HCCR, HCCR_CMD_CLEAR_RISC_INT);
2632
2633 /*
2634 * Set Host Interrupt condition so that RISC will pick up mailbox regs.
2635 */
2636 ISP_WRITE(isp, HCCR, HCCR_CMD_SET_HOST_INT);
2637
2638 /*
2639 * Wait until RISC int is set, except 2100
2640 */
2641 if ((isp->isp_type & ISP_HA_FC) == 0) {
2642 loops = MBOX_DELAY_COUNT;
2643 while ((ISP_READ(isp, BIU_ISR) & BIU_ISR_RISC_INT) == 0) {
2644 SYS_DELAY(100);
2645 if (--loops < 0) {
2646 PRINTF("%s: isp_mboxcmd timeout #2\n",
2647 isp->isp_name);
2648 return;
2649 }
2650 }
2651 }
2652
2653 /*
2654 * Check to make sure that the semaphore has been set.
2655 */
2656 loops = MBOX_DELAY_COUNT;
2657 while ((ISP_READ(isp, BIU_SEMA) & 1) == 0) {
2658 SYS_DELAY(100);
2659 if (--loops < 0) {
2660 PRINTF("%s: isp_mboxcmd timeout #3\n", isp->isp_name);
2661 return;
2662 }
2663 }
2664
2665 /*
2666 * Make sure that the MBOX_BUSY has gone away
2667 */
2668 loops = MBOX_DELAY_COUNT;
2669 while (ISP_READ(isp, OUTMAILBOX0) == MBOX_BUSY) {
2670 SYS_DELAY(100);
2671 if (--loops < 0) {
2672 PRINTF("%s: isp_mboxcmd timeout #4\n", isp->isp_name);
2673 return;
2674 }
2675 }
2676
2677
2678 /*
2679 * Pick up output parameters.
2680 */
2681 switch (outparam) {
2682 case 8: mbp->param[7] = ISP_READ(isp, OUTMAILBOX7);
2683 case 7: mbp->param[6] = ISP_READ(isp, OUTMAILBOX6);
2684 case 6: mbp->param[5] = ISP_READ(isp, OUTMAILBOX5);
2685 case 5: mbp->param[4] = ISP_READ(isp, OUTMAILBOX4);
2686 case 4: mbp->param[3] = ISP_READ(isp, OUTMAILBOX3);
2687 case 3: mbp->param[2] = ISP_READ(isp, OUTMAILBOX2);
2688 case 2: mbp->param[1] = ISP_READ(isp, OUTMAILBOX1);
2689 case 1: mbp->param[0] = ISP_READ(isp, OUTMAILBOX0);
2690 }
2691
2692 /*
2693 * Clear RISC int.
2694 */
2695 ISP_WRITE(isp, HCCR, HCCR_CMD_CLEAR_RISC_INT);
2696
2697 /*
2698 * Release semaphore on mailbox registers
2699 */
2700 ISP_WRITE(isp, BIU_SEMA, 0);
2701
2702 /*
2703 * Just to be chatty here...
2704 */
2705 switch(mbp->param[0]) {
2706 case MBOX_COMMAND_COMPLETE:
2707 break;
2708 case MBOX_INVALID_COMMAND:
2709 IDPRINTF(2, ("%s: mbox cmd %x failed with INVALID_COMMAND\n",
2710 isp->isp_name, opcode));
2711 break;
2712 case MBOX_HOST_INTERFACE_ERROR:
2713 PRINTF("%s: mbox cmd %x failed with HOST_INTERFACE_ERROR\n",
2714 isp->isp_name, opcode);
2715 break;
2716 case MBOX_TEST_FAILED:
2717 PRINTF("%s: mbox cmd %x failed with TEST_FAILED\n",
2718 isp->isp_name, opcode);
2719 break;
2720 case MBOX_COMMAND_ERROR:
2721 PRINTF("%s: mbox cmd %x failed with COMMAND_ERROR\n",
2722 isp->isp_name, opcode);
2723 break;
2724 case MBOX_COMMAND_PARAM_ERROR:
2725 PRINTF("%s: mbox cmd %x failed with COMMAND_PARAM_ERROR\n",
2726 isp->isp_name, opcode);
2727 break;
2728
2729 /*
2730 * Be silent about these...
2731 */
2732
2733 case ASYNC_LOOP_UP:
2734 case ASYNC_LIP_OCCURRED:
2735 case ASYNC_PDB_CHANGED:
2736 break;
2737
2738 default:
2739 /*
2740 * The expected return of EXEC_FIRMWARE is zero.
2741 */
2742 if ((opcode == MBOX_EXEC_FIRMWARE && mbp->param[0] != 0) ||
2743 (opcode != MBOX_EXEC_FIRMWARE)) {
2744 PRINTF("%s: mbox cmd %x failed with error %x\n",
2745 isp->isp_name, opcode, mbp->param[0]);
2746 }
2747 break;
2748 }
2749 }
2750
2751 void
2752 isp_lostcmd(isp, xs)
2753 struct ispsoftc *isp;
2754 ISP_SCSI_XFER_T *xs;
2755 {
2756 mbreg_t mbs;
2757
2758 mbs.param[0] = MBOX_GET_FIRMWARE_STATUS;
2759 isp_mboxcmd(isp, &mbs);
2760 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
2761 isp_dumpregs(isp, "couldn't GET FIRMWARE STATUS");
2762 return;
2763 }
2764 if (mbs.param[1]) {
2765 PRINTF("%s: %d commands on completion queue\n",
2766 isp->isp_name, mbs.param[1]);
2767 }
2768 if (XS_NULL(xs))
2769 return;
2770
2771 mbs.param[0] = MBOX_GET_DEV_QUEUE_STATUS;
2772 mbs.param[1] = (XS_TGT(xs) << 8) | XS_LUN(xs);
2773 isp_mboxcmd(isp, &mbs);
2774 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
2775 isp_dumpregs(isp, "couldn't GET DEVICE QUEUE STATUS");
2776 return;
2777 }
2778 PRINTF("%s: lost command for target %d lun %d, %d active of %d, "
2779 "Queue State: %x\n", isp->isp_name, XS_TGT(xs),
2780 XS_LUN(xs), mbs.param[2], mbs.param[3], mbs.param[1]);
2781
2782 isp_dumpregs(isp, "lost command");
2783 /*
2784 * XXX: Need to try and do something to recover.
2785 */
2786 }
2787
2788 static void
2789 isp_dumpregs(isp, msg)
2790 struct ispsoftc *isp;
2791 const char *msg;
2792 {
2793 PRINTF("%s: %s\n", isp->isp_name, msg);
2794 if (isp->isp_type & ISP_HA_SCSI)
2795 PRINTF(" biu_conf1=%x", ISP_READ(isp, BIU_CONF1));
2796 else
2797 PRINTF(" biu_csr=%x", ISP_READ(isp, BIU2100_CSR));
2798 PRINTF(" biu_icr=%x biu_isr=%x biu_sema=%x ", ISP_READ(isp, BIU_ICR),
2799 ISP_READ(isp, BIU_ISR), ISP_READ(isp, BIU_SEMA));
2800 PRINTF("risc_hccr=%x\n", ISP_READ(isp, HCCR));
2801
2802 if (isp->isp_type & ISP_HA_SCSI) {
2803 ISP_WRITE(isp, HCCR, HCCR_CMD_PAUSE);
2804 PRINTF(" cdma_conf=%x cdma_sts=%x cdma_fifostat=%x\n",
2805 ISP_READ(isp, CDMA_CONF), ISP_READ(isp, CDMA_STATUS),
2806 ISP_READ(isp, CDMA_FIFO_STS));
2807 PRINTF(" ddma_conf=%x ddma_sts=%x ddma_fifostat=%x\n",
2808 ISP_READ(isp, DDMA_CONF), ISP_READ(isp, DDMA_STATUS),
2809 ISP_READ(isp, DDMA_FIFO_STS));
2810 PRINTF(" sxp_int=%x sxp_gross=%x sxp(scsi_ctrl)=%x\n",
2811 ISP_READ(isp, SXP_INTERRUPT),
2812 ISP_READ(isp, SXP_GROSS_ERR),
2813 ISP_READ(isp, SXP_PINS_CONTROL));
2814 ISP_WRITE(isp, HCCR, HCCR_CMD_RELEASE);
2815 }
2816 ISP_DUMPREGS(isp);
2817 }
2818
2819 static void
2820 isp_dumpxflist(isp)
2821 struct ispsoftc *isp;
2822 {
2823 volatile ISP_SCSI_XFER_T *xs;
2824 int i, hdp;
2825
2826 for (hdp = i = 0; i < RQUEST_QUEUE_LEN; i++) {
2827 xs = isp->isp_xflist[i];
2828 if (xs == NULL) {
2829 continue;
2830 }
2831 if (hdp == 0) {
2832 PRINTF("%s: active requests\n", isp->isp_name);
2833 hdp++;
2834 }
2835 PRINTF(" Active Handle %d: tgt %d lun %d dlen %d\n",
2836 i+1, XS_TGT(xs), XS_LUN(xs), XS_XFRLEN(xs));
2837 }
2838 }
2839
2840 static void
2841 isp_fw_state(isp)
2842 struct ispsoftc *isp;
2843 {
2844 mbreg_t mbs;
2845 if (isp->isp_type & ISP_HA_FC) {
2846 int once = 0;
2847 fcparam *fcp = isp->isp_param;
2848 again:
2849 mbs.param[0] = MBOX_GET_FW_STATE;
2850 isp_mboxcmd(isp, &mbs);
2851 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
2852 if (mbs.param[0] == ASYNC_LIP_OCCURRED ||
2853 mbs.param[0] == ASYNC_PDB_CHANGED ||
2854 mbs.param[0] == ASYNC_LOOP_UP) {
2855 if (once++ < 2) {
2856 goto again;
2857 }
2858 }
2859 isp_dumpregs(isp, "GET FIRMWARE STATE failed");
2860 return;
2861 }
2862 fcp->isp_fwstate = mbs.param[1];
2863 }
2864 }
2865
2866 static void
2867 isp_update(isp)
2868 struct ispsoftc *isp;
2869 {
2870 int tgt;
2871 mbreg_t mbs;
2872 sdparam *sdp;
2873
2874 isp->isp_update = 0;
2875
2876 if (isp->isp_type & ISP_HA_FC) {
2877 return;
2878 }
2879
2880 sdp = isp->isp_param;
2881 for (tgt = 0; tgt < MAX_TARGETS; tgt++) {
2882 if (sdp->isp_devparam[tgt].dev_enable == 0) {
2883 continue;
2884 }
2885 if (sdp->isp_devparam[tgt].dev_update == 0) {
2886 continue;
2887 }
2888
2889 mbs.param[0] = MBOX_SET_TARGET_PARAMS;
2890 mbs.param[1] = tgt << 8;
2891 mbs.param[2] = sdp->isp_devparam[tgt].dev_flags;
2892 mbs.param[3] =
2893 (sdp->isp_devparam[tgt].sync_offset << 8) |
2894 (sdp->isp_devparam[tgt].sync_period);
2895
2896 IDPRINTF(3, ("\n%s: tgt %d cflags %x offset %x period %x\n",
2897 isp->isp_name, tgt, mbs.param[2], mbs.param[3] >> 8,
2898 mbs.param[3] & 0xff));
2899
2900 isp_mboxcmd(isp, &mbs);
2901 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
2902 PRINTF("%s: failed to change SCSI parameters for "
2903 "target %d\n", isp->isp_name, tgt);
2904 } else {
2905 char *wt;
2906 int x, flags;
2907
2908 flags = sdp->isp_devparam[tgt].cur_dflags =
2909 sdp->isp_devparam[tgt].dev_flags;
2910
2911 x = sdp->isp_devparam[tgt].sync_period & 0xff;
2912 if (flags & DPARM_SYNC) {
2913 if (x == (ISP_20M_SYNCPARMS & 0xff)) {
2914 x = 20;
2915 } else if (x == (ISP_10M_SYNCPARMS & 0xff)) {
2916 x = 10;
2917 } else if (x == (ISP_08M_SYNCPARMS & 0xff)) {
2918 x = 8;
2919 } else if (x == (ISP_05M_SYNCPARMS & 0xff)) {
2920 x = 5;
2921 } else if (x == (ISP_04M_SYNCPARMS & 0xff)) {
2922 x = 4;
2923 } else {
2924 x = 0;
2925 }
2926 } else {
2927 x = 0;
2928 }
2929 switch (flags & (DPARM_WIDE|DPARM_TQING)) {
2930 case DPARM_WIDE:
2931 wt = ", 16 bit wide\n";
2932 break;
2933 case DPARM_TQING:
2934 wt = ", Tagged Queueing Enabled\n";
2935 break;
2936 case DPARM_WIDE|DPARM_TQING:
2937 wt = ", 16 bit wide, Tagged Queueing Enabled\n";
2938 break;
2939
2940 default:
2941 wt = "\n";
2942 break;
2943 }
2944 if (x) {
2945 IDPRINTF(3, ("%s: Target %d maximum Sync Mode "
2946 "at %dMHz%s", isp->isp_name, tgt, x, wt));
2947 } else {
2948 IDPRINTF(3, ("%s: Target %d Async Mode%s",
2949 isp->isp_name, tgt, wt));
2950 }
2951 }
2952 sdp->isp_devparam[tgt].dev_update = 0;
2953 }
2954 }
2955
2956 static void
2957 isp_setdfltparm(isp)
2958 struct ispsoftc *isp;
2959 {
2960 int i, use_nvram;
2961 mbreg_t mbs;
2962 sdparam *sdp;
2963
2964 /*
2965 * Been there, done that, got the T-shirt...
2966 */
2967 if (isp->isp_gotdparms) {
2968 IDPRINTF(3, ("%s: already have dparms\n", isp->isp_name));
2969 return;
2970 }
2971 isp->isp_gotdparms = 1;
2972
2973 use_nvram = (isp_read_nvram(isp) == 0);
2974 if (use_nvram) {
2975 return;
2976 }
2977 if (isp->isp_type & ISP_HA_FC) {
2978 fcparam *fcp = (fcparam *) isp->isp_param;
2979 fcp->isp_maxfrmlen = ICB_DFLT_FRMLEN;
2980 fcp->isp_maxalloc = 256;
2981 fcp->isp_execthrottle = 16;
2982 fcp->isp_retry_delay = 5;
2983 fcp->isp_retry_count = 0;
2984 /*
2985 * It would be nice to fake up a WWN in case we don't
2986 * get one out of NVRAM. Solaris does this for SOCAL
2987 * cards that don't have SBus properties- it sets up
2988 * a WWN based upon the system MAC Address.
2989 */
2990 fcp->isp_wwn = 0;
2991 return;
2992 }
2993
2994 sdp = (sdparam *) isp->isp_param;
2995 mbs.param[0] = MBOX_GET_ACT_NEG_STATE;
2996 isp_mboxcmd(isp, &mbs);
2997 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
2998 IDPRINTF(2, ("could not GET ACT NEG STATE\n"));
2999 sdp->isp_req_ack_active_neg = 1;
3000 sdp->isp_data_line_active_neg = 1;
3001 } else {
3002 sdp->isp_req_ack_active_neg = (mbs.param[1] >> 4) & 0x1;
3003 sdp->isp_data_line_active_neg = (mbs.param[1] >> 5) & 0x1;
3004 }
3005 for (i = 0; i < MAX_TARGETS; i++) {
3006
3007 mbs.param[0] = MBOX_GET_TARGET_PARAMS;
3008 mbs.param[1] = i << 8;
3009 isp_mboxcmd(isp, &mbs);
3010 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) {
3011 PRINTF("%s: can't get SCSI parameters for target %d\n",
3012 isp->isp_name, i);
3013 sdp->isp_devparam[i].sync_period = 0;
3014 sdp->isp_devparam[i].sync_offset = 0;
3015 sdp->isp_devparam[i].dev_flags = DPARM_SAFE_DFLT;
3016 continue;
3017 }
3018 sdp->isp_devparam[i].dev_flags = mbs.param[2];
3019
3020 /*
3021 * The maximum period we can really see
3022 * here is 100 (decimal), or 400 ns.
3023 * For some unknown reason we sometimes
3024 * get back wildass numbers from the
3025 * boot device's parameters.
3026 *
3027 * XXX: Hmm- this may be based on a different
3028 * XXX: clock rate.
3029 */
3030 if ((mbs.param[3] & 0xff) <= 0x64) {
3031 sdp->isp_devparam[i].sync_period = mbs.param[3] & 0xff;
3032 sdp->isp_devparam[i].sync_offset = mbs.param[3] >> 8;
3033 }
3034
3035 /*
3036 * It is not safe to run Ultra Mode with a clock < 60.
3037 */
3038 if (((sdp->isp_clock && sdp->isp_clock < 60) ||
3039 (isp->isp_type < ISP_HA_SCSI_1020A)) &&
3040 (sdp->isp_devparam[i].sync_period ==
3041 (ISP_20M_SYNCPARMS & 0xff))) {
3042 sdp->isp_devparam[i].sync_offset =
3043 ISP_10M_SYNCPARMS >> 8;
3044 sdp->isp_devparam[i].sync_period =
3045 ISP_10M_SYNCPARMS & 0xff;
3046 }
3047
3048 }
3049
3050 /*
3051 * Set Default Host Adapter Parameters
3052 */
3053 sdp->isp_cmd_dma_burst_enable = 1;
3054 sdp->isp_data_dma_burst_enabl = 1;
3055 sdp->isp_fifo_threshold = 0;
3056 sdp->isp_initiator_id = 7;
3057 if (isp->isp_type >= ISP_HA_SCSI_1040) {
3058 sdp->isp_async_data_setup = 9;
3059 } else {
3060 sdp->isp_async_data_setup = 6;
3061 }
3062 sdp->isp_selection_timeout = 250;
3063 sdp->isp_max_queue_depth = 128;
3064 sdp->isp_tag_aging = 8;
3065 sdp->isp_bus_reset_delay = 3;
3066 sdp->isp_retry_count = 0;
3067 sdp->isp_retry_delay = 1;
3068
3069 for (i = 0; i < MAX_TARGETS; i++) {
3070 sdp->isp_devparam[i].exc_throttle = 16;
3071 sdp->isp_devparam[i].dev_enable = 1;
3072 }
3073 }
3074
3075 /*
3076 * Re-initialize the ISP and complete all orphaned commands
3077 * with a 'botched' notice.
3078 *
3079 * Locks held prior to coming here.
3080 */
3081
3082 void
3083 isp_restart(isp)
3084 struct ispsoftc *isp;
3085 {
3086 ISP_SCSI_XFER_T *tlist[RQUEST_QUEUE_LEN], *xs;
3087 int i;
3088
3089 for (i = 0; i < RQUEST_QUEUE_LEN; i++) {
3090 tlist[i] = (ISP_SCSI_XFER_T *) isp->isp_xflist[i];
3091 isp->isp_xflist[i] = NULL;
3092 }
3093 isp_reset(isp);
3094 if (isp->isp_state == ISP_RESETSTATE) {
3095 isp_init(isp);
3096 if (isp->isp_state == ISP_INITSTATE) {
3097 isp->isp_state = ISP_RUNSTATE;
3098 }
3099 }
3100 if (isp->isp_state != ISP_RUNSTATE) {
3101 PRINTF("%s: isp_restart cannot restart ISP\n", isp->isp_name);
3102 }
3103
3104 for (i = 0; i < RQUEST_QUEUE_LEN; i++) {
3105 xs = tlist[i];
3106 if (XS_NULL(xs)) {
3107 continue;
3108 }
3109 if (isp->isp_nactive > 0)
3110 isp->isp_nactive--;
3111 XS_RESID(xs) = XS_XFRLEN(xs);
3112 XS_SETERR(xs, HBA_BUSRESET);
3113 XS_CMD_DONE(xs);
3114 }
3115 }
3116
3117 /*
3118 * Miscellaneous debug statements.
3119 */
3120 static void
3121 isp_prtstst(sp)
3122 ispstatusreq_t *sp;
3123 {
3124 PRINTF("states->");
3125 if (sp->req_state_flags & RQSF_GOT_BUS)
3126 PRINTF("GOT_BUS ");
3127 if (sp->req_state_flags & RQSF_GOT_TARGET)
3128 PRINTF("GOT_TGT ");
3129 if (sp->req_state_flags & RQSF_SENT_CDB)
3130 PRINTF("SENT_CDB ");
3131 if (sp->req_state_flags & RQSF_XFRD_DATA)
3132 PRINTF("XFRD_DATA ");
3133 if (sp->req_state_flags & RQSF_GOT_STATUS)
3134 PRINTF("GOT_STS ");
3135 if (sp->req_state_flags & RQSF_GOT_SENSE)
3136 PRINTF("GOT_SNS ");
3137 if (sp->req_state_flags & RQSF_XFER_COMPLETE)
3138 PRINTF("XFR_CMPLT ");
3139 PRINTF("\n");
3140 PRINTF("status->");
3141 if (sp->req_status_flags & RQSTF_DISCONNECT)
3142 PRINTF("Disconnect ");
3143 if (sp->req_status_flags & RQSTF_SYNCHRONOUS)
3144 PRINTF("Sync_xfr ");
3145 if (sp->req_status_flags & RQSTF_PARITY_ERROR)
3146 PRINTF("Parity ");
3147 if (sp->req_status_flags & RQSTF_BUS_RESET)
3148 PRINTF("Bus_Reset ");
3149 if (sp->req_status_flags & RQSTF_DEVICE_RESET)
3150 PRINTF("Device_Reset ");
3151 if (sp->req_status_flags & RQSTF_ABORTED)
3152 PRINTF("Aborted ");
3153 if (sp->req_status_flags & RQSTF_TIMEOUT)
3154 PRINTF("Timeout ");
3155 if (sp->req_status_flags & RQSTF_NEGOTIATION)
3156 PRINTF("Negotiation ");
3157 PRINTF("\n");
3158 }
3159
3160 static char *
3161 isp2100_fw_statename(state)
3162 int state;
3163 {
3164 switch(state) {
3165 case FW_CONFIG_WAIT: return "Config Wait";
3166 case FW_WAIT_AL_PA: return "Waiting for AL/PA";
3167 case FW_WAIT_LOGIN: return "Wait Login";
3168 case FW_READY: return "Ready";
3169 case FW_LOSS_OF_SYNC: return "Loss Of Sync";
3170 case FW_ERROR: return "Error";
3171 case FW_REINIT: return "Re-Init";
3172 case FW_NON_PART: return "Nonparticipating";
3173 default: return "eh?";
3174 }
3175 }
3176
3177 /*
3178 * NVRAM Routines
3179 */
3180
3181 static int
3182 isp_read_nvram(isp)
3183 struct ispsoftc *isp;
3184 {
3185 int i, amt;
3186 u_int8_t csum, minversion;
3187 union {
3188 u_int8_t _x[ISP2100_NVRAM_SIZE];
3189 u_int16_t _s[ISP2100_NVRAM_SIZE>>1];
3190 } _n;
3191 #define nvram_data _n._x
3192 #define nvram_words _n._s
3193
3194 if (isp->isp_type & ISP_HA_FC) {
3195 amt = ISP2100_NVRAM_SIZE;
3196 minversion = 1;
3197 } else {
3198 amt = ISP_NVRAM_SIZE;
3199 minversion = 2;
3200 }
3201
3202 /*
3203 * Just read the first two words first to see if we have a valid
3204 * NVRAM to continue reading the rest with.
3205 */
3206 for (i = 0; i < 2; i++) {
3207 isp_rdnvram_word(isp, i, &nvram_words[i]);
3208 }
3209 if (nvram_data[0] != 'I' || nvram_data[1] != 'S' ||
3210 nvram_data[2] != 'P') {
3211 if (isp->isp_bustype != ISP_BT_SBUS) {
3212 PRINTF("%s: invalid NVRAM header\n", isp->isp_name);
3213 }
3214 return (-1);
3215 }
3216 for (i = 2; i < amt>>1; i++) {
3217 isp_rdnvram_word(isp, i, &nvram_words[i]);
3218 }
3219 for (csum = 0, i = 0; i < amt; i++) {
3220 csum += nvram_data[i];
3221 }
3222 if (csum != 0) {
3223 PRINTF("%s: invalid NVRAM checksum\n", isp->isp_name);
3224 return (-1);
3225 }
3226 if (ISP_NVRAM_VERSION(nvram_data) < minversion) {
3227 PRINTF("%s: version %d NVRAM not understood\n", isp->isp_name,
3228 ISP_NVRAM_VERSION(nvram_data));
3229 return (-1);
3230 }
3231
3232 if (isp->isp_type & ISP_HA_SCSI) {
3233 sdparam *sdp = (sdparam *) isp->isp_param;
3234
3235 sdp->isp_fifo_threshold =
3236 ISP_NVRAM_FIFO_THRESHOLD(nvram_data) |
3237 (ISP_NVRAM_FIFO_THRESHOLD_128(nvram_data) << 2);
3238
3239 sdp->isp_initiator_id =
3240 ISP_NVRAM_INITIATOR_ID(nvram_data);
3241
3242 sdp->isp_bus_reset_delay =
3243 ISP_NVRAM_BUS_RESET_DELAY(nvram_data);
3244
3245 sdp->isp_retry_count =
3246 ISP_NVRAM_BUS_RETRY_COUNT(nvram_data);
3247
3248 sdp->isp_retry_delay =
3249 ISP_NVRAM_BUS_RETRY_DELAY(nvram_data);
3250
3251 sdp->isp_async_data_setup =
3252 ISP_NVRAM_ASYNC_DATA_SETUP_TIME(nvram_data);
3253
3254 if (isp->isp_type >= ISP_HA_SCSI_1040) {
3255 if (sdp->isp_async_data_setup < 9) {
3256 sdp->isp_async_data_setup = 9;
3257 }
3258 } else {
3259 if (sdp->isp_async_data_setup != 6) {
3260 sdp->isp_async_data_setup = 6;
3261 }
3262 }
3263
3264 sdp->isp_req_ack_active_neg =
3265 ISP_NVRAM_REQ_ACK_ACTIVE_NEGATION(nvram_data);
3266
3267 sdp->isp_data_line_active_neg =
3268 ISP_NVRAM_DATA_LINE_ACTIVE_NEGATION(nvram_data);
3269
3270 sdp->isp_data_dma_burst_enabl =
3271 ISP_NVRAM_DATA_DMA_BURST_ENABLE(nvram_data);
3272
3273 sdp->isp_cmd_dma_burst_enable =
3274 ISP_NVRAM_CMD_DMA_BURST_ENABLE(nvram_data);
3275
3276 sdp->isp_tag_aging =
3277 ISP_NVRAM_TAG_AGE_LIMIT(nvram_data);
3278
3279 sdp->isp_selection_timeout =
3280 ISP_NVRAM_SELECTION_TIMEOUT(nvram_data);
3281
3282 sdp->isp_max_queue_depth =
3283 ISP_NVRAM_MAX_QUEUE_DEPTH(nvram_data);
3284
3285 sdp->isp_fast_mttr = ISP_NVRAM_FAST_MTTR_ENABLE(nvram_data);
3286
3287 #if 0
3288 PRINTF("%s: fifo_threshold = 0x%x cbena%d dbena%d\n",
3289 isp->isp_name, sdp->isp_fifo_threshold,
3290 sdp->isp_cmd_dma_burst_enable,
3291 sdp->isp_data_dma_burst_enabl);
3292 #endif
3293 for (i = 0; i < 16; i++) {
3294 sdp->isp_devparam[i].dev_enable =
3295 ISP_NVRAM_TGT_DEVICE_ENABLE(nvram_data, i);
3296 sdp->isp_devparam[i].exc_throttle =
3297 ISP_NVRAM_TGT_EXEC_THROTTLE(nvram_data, i);
3298 sdp->isp_devparam[i].sync_offset =
3299 ISP_NVRAM_TGT_SYNC_OFFSET(nvram_data, i);
3300 sdp->isp_devparam[i].sync_period =
3301 ISP_NVRAM_TGT_SYNC_PERIOD(nvram_data, i);
3302
3303 if (isp->isp_type < ISP_HA_SCSI_1040) {
3304 /*
3305 * If we're not ultra, we can't possibly
3306 * be a shorter period than this.
3307 */
3308 if (sdp->isp_devparam[i].sync_period < 0x19) {
3309 sdp->isp_devparam[i].sync_period =
3310 0x19;
3311 }
3312 if (sdp->isp_devparam[i].sync_offset > 0xc) {
3313 sdp->isp_devparam[i].sync_offset =
3314 0x0c;
3315 }
3316 } else {
3317 if (sdp->isp_devparam[i].sync_offset > 0x8) {
3318 sdp->isp_devparam[i].sync_offset = 0x8;
3319 }
3320 }
3321
3322 sdp->isp_devparam[i].dev_flags = 0;
3323
3324 if (ISP_NVRAM_TGT_RENEG(nvram_data, i))
3325 sdp->isp_devparam[i].dev_flags |= DPARM_RENEG;
3326 if (ISP_NVRAM_TGT_QFRZ(nvram_data, i)) {
3327 PRINTF("%s: not supporting QFRZ option for "
3328 "target %d\n", isp->isp_name, i);
3329 }
3330 sdp->isp_devparam[i].dev_flags |= DPARM_ARQ;
3331 if (ISP_NVRAM_TGT_ARQ(nvram_data, i) == 0) {
3332 PRINTF("%s: not disabling ARQ option for "
3333 "target %d\n", isp->isp_name, i);
3334 }
3335 if (ISP_NVRAM_TGT_TQING(nvram_data, i))
3336 sdp->isp_devparam[i].dev_flags |= DPARM_TQING;
3337 if (ISP_NVRAM_TGT_SYNC(nvram_data, i))
3338 sdp->isp_devparam[i].dev_flags |= DPARM_SYNC;
3339 if (ISP_NVRAM_TGT_WIDE(nvram_data, i))
3340 sdp->isp_devparam[i].dev_flags |= DPARM_WIDE;
3341 if (ISP_NVRAM_TGT_PARITY(nvram_data, i))
3342 sdp->isp_devparam[i].dev_flags |= DPARM_PARITY;
3343 if (ISP_NVRAM_TGT_DISC(nvram_data, i))
3344 sdp->isp_devparam[i].dev_flags |= DPARM_DISC;
3345 }
3346 } else {
3347 fcparam *fcp = (fcparam *) isp->isp_param;
3348 union {
3349 struct {
3350 #if BYTE_ORDER == BIG_ENDIAN
3351 u_int32_t hi32;
3352 u_int32_t lo32;
3353 #else
3354 u_int32_t lo32;
3355 u_int32_t hi32;
3356 #endif
3357 } wds;
3358 u_int64_t full64;
3359 } wwnstore;
3360
3361 wwnstore.full64 = ISP2100_NVRAM_NODE_NAME(nvram_data);
3362 PRINTF("%s: Adapter WWN 0x%08x%08x\n", isp->isp_name,
3363 wwnstore.wds.hi32, wwnstore.wds.lo32);
3364 fcp->isp_wwn = wwnstore.full64;
3365 wwnstore.full64 = ISP2100_NVRAM_BOOT_NODE_NAME(nvram_data);
3366 if (wwnstore.full64 != 0) {
3367 PRINTF("%s: BOOT DEVICE WWN 0x%08x%08x\n",
3368 isp->isp_name, wwnstore.wds.hi32,
3369 wwnstore.wds.lo32);
3370 }
3371 fcp->isp_maxalloc =
3372 ISP2100_NVRAM_MAXIOCBALLOCATION(nvram_data);
3373 fcp->isp_maxfrmlen =
3374 ISP2100_NVRAM_MAXFRAMELENGTH(nvram_data);
3375 fcp->isp_retry_delay =
3376 ISP2100_NVRAM_RETRY_DELAY(nvram_data);
3377 fcp->isp_retry_count =
3378 ISP2100_NVRAM_RETRY_COUNT(nvram_data);
3379 fcp->isp_loopid =
3380 ISP2100_NVRAM_HARDLOOPID(nvram_data);
3381 fcp->isp_execthrottle =
3382 ISP2100_NVRAM_EXECUTION_THROTTLE(nvram_data);
3383 }
3384 return (0);
3385 }
3386
3387 static void
3388 isp_rdnvram_word(isp, wo, rp)
3389 struct ispsoftc *isp;
3390 int wo;
3391 u_int16_t *rp;
3392 {
3393 int i, cbits;
3394 u_int16_t bit, rqst;
3395
3396 ISP_WRITE(isp, BIU_NVRAM, BIU_NVRAM_SELECT);
3397 SYS_DELAY(2);
3398 ISP_WRITE(isp, BIU_NVRAM, BIU_NVRAM_SELECT|BIU_NVRAM_CLOCK);
3399 SYS_DELAY(2);
3400
3401 if (isp->isp_type & ISP_HA_FC) {
3402 wo &= ((ISP2100_NVRAM_SIZE >> 1) - 1);
3403 rqst = (ISP_NVRAM_READ << 8) | wo;
3404 cbits = 10;
3405 } else {
3406 wo &= ((ISP_NVRAM_SIZE >> 1) - 1);
3407 rqst = (ISP_NVRAM_READ << 6) | wo;
3408 cbits = 8;
3409 }
3410
3411 /*
3412 * Clock the word select request out...
3413 */
3414 for (i = cbits; i >= 0; i--) {
3415 if ((rqst >> i) & 1) {
3416 bit = BIU_NVRAM_SELECT | BIU_NVRAM_DATAOUT;
3417 } else {
3418 bit = BIU_NVRAM_SELECT;
3419 }
3420 ISP_WRITE(isp, BIU_NVRAM, bit);
3421 SYS_DELAY(2);
3422 ISP_WRITE(isp, BIU_NVRAM, bit | BIU_NVRAM_CLOCK);
3423 SYS_DELAY(2);
3424 ISP_WRITE(isp, BIU_NVRAM, bit);
3425 SYS_DELAY(2);
3426 }
3427 /*
3428 * Now read the result back in (bits come back in MSB format).
3429 */
3430 *rp = 0;
3431 for (i = 0; i < 16; i++) {
3432 u_int16_t rv;
3433 *rp <<= 1;
3434 ISP_WRITE(isp, BIU_NVRAM, BIU_NVRAM_SELECT|BIU_NVRAM_CLOCK);
3435 SYS_DELAY(2);
3436 rv = ISP_READ(isp, BIU_NVRAM);
3437 if (rv & BIU_NVRAM_DATAIN) {
3438 *rp |= 1;
3439 }
3440 SYS_DELAY(2);
3441 ISP_WRITE(isp, BIU_NVRAM, BIU_NVRAM_SELECT);
3442 SYS_DELAY(2);
3443 }
3444 ISP_WRITE(isp, BIU_NVRAM, 0);
3445 SYS_DELAY(2);
3446 #if BYTE_ORDER == BIG_ENDIAN
3447 *rp = ((*rp >> 8) | ((*rp & 0xff) << 8));
3448 #endif
3449 }
3450