xref: /freebsd/usr.sbin/dumpcis/printcis.c (revision 193d9e768ba63fcfb187cfd17f461f7d41345048)
1 /*
2  * Copyright (c) 1995 Andrew McRae.  All rights reserved.
3  *
4  * Redistribution and use in source and binary forms, with or without
5  * modification, are permitted provided that the following conditions
6  * are met:
7  * 1. Redistributions of source code must retain the above copyright
8  *    notice, this list of conditions and the following disclaimer.
9  * 2. Redistributions in binary form must reproduce the above copyright
10  *    notice, this list of conditions and the following disclaimer in the
11  *    documentation and/or other materials provided with the distribution.
12  * 3. The name of the author may not be used to endorse or promote products
13  *    derived from this software without specific prior written permission.
14  *
15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25  */
26 
27 #ifndef lint
28 static const char rcsid[] =
29   "$FreeBSD$";
30 #endif /* not lint */
31 
32 /*
33  * Code cleanup, bug-fix and extension
34  * by Tatsumi Hosokawa <hosokawa@mt.cs.keio.ac.jp>
35  */
36 
37 #include <err.h>
38 #include <stdio.h>
39 #include <stdlib.h>
40 #include <string.h>
41 #include <unistd.h>
42 #include <sys/ioctl.h>
43 
44 #include "cis.h"
45 #include "readcis.h"
46 
47 static void   dump_config_map(struct tuple *tp);
48 static void   dump_cis_config(struct tuple *tp);
49 static void   dump_other_cond(u_char *p, int len);
50 static void   dump_device_desc(u_char *p, int len, const char *type);
51 static void   dump_info_v1(u_char *p, int len);
52 static void   dump_longlink_mfc(u_char *p, int len);
53 static void   dump_bar(u_char *p, int len);
54 static void   dump_device_geo(u_char *p, int len);
55 static void   dump_func_id(u_char *p);
56 static void   dump_serial_ext(u_char *p, int len);
57 static void   dump_disk_ext(u_char *p, int len);
58 static void   dump_network_ext(u_char *p, int len);
59 static void   dump_info_v2(u_char *p, int len);
60 static void   dump_org(u_char *p, int len);
61 
62 void
63 dumpcis(struct tuple_list *tlist)
64 {
65 	struct tuple *tp;
66 	struct tuple_list *tl;
67 	int     count = 0, sz, ad, i;
68 	u_char *p;
69 	int func = 0;
70 
71 	for (tl = tlist; tl; tl = tl->next)
72 		for (tp = tl->tuples; tp; tp = tp->next) {
73 			printf("Tuple #%d, code = 0x%x (%s), length = %d\n",
74 			    ++count, tp->code, tuple_name(tp->code), tp->length);
75 			p = tp->data;
76 			sz = tp->length;
77 			ad = 0;
78 			while (sz > 0) {
79 				printf("    %03x: ", ad);
80 				for (i = 0; i < ((sz < 16) ? sz : 16); i++)
81 					printf(" %02x", p[i]);
82 				printf("\n");
83 				sz -= 16;
84 				p += 16;
85 				ad += 16;
86 			}
87 			switch (tp->code) {
88 			default:
89 				break;
90 			case CIS_MEM_COMMON:	/* 0x01 */
91 				dump_device_desc(tp->data, tp->length, "Common");
92 				break;
93 			case CIS_CONF_MAP_CB:	/* 0x04 */
94 				dump_config_map(tp);
95 				break;
96 			case CIS_CONFIG_CB:	/* 0x05 */
97 				dump_cis_config(tp);
98 				break;
99 			case CIS_LONGLINK_MFC:	/* 0x06 */
100 				dump_longlink_mfc(tp->data, tp->length);
101 				break;
102 			case CIS_BAR:		/* 0x07 */
103 				dump_bar(tp->data, tp->length);
104 				break;
105 			case CIS_CHECKSUM:	/* 0x10 */
106 				printf("\tChecksum from offset %d, length %d, value is 0x%x\n",
107 				       tpl16(tp->data),
108 				       tpl16(tp->data + 2),
109 				       tp->data[4]);
110 				break;
111 			case CIS_LONGLINK_A:	/* 0x11 */
112 				printf("\tLong link to attribute memory, address 0x%x\n",
113 				       tpl32(tp->data));
114 				break;
115 			case CIS_LONGLINK_C:	/* 0x12 */
116 				printf("\tLong link to common memory, address 0x%x\n",
117 				       tpl32(tp->data));
118 				break;
119 			case CIS_INFO_V1:	/* 0x15 */
120 				dump_info_v1(tp->data, tp->length);
121 				break;
122 			case CIS_ALTSTR:	/* 0x16 */
123 				break;
124 			case CIS_MEM_ATTR:	/* 0x17 */
125 				dump_device_desc(tp->data, tp->length, "Attribute");
126 				break;
127 			case CIS_JEDEC_C:	/* 0x18 */
128 			case CIS_JEDEC_A:	/* 0x19 */
129 				break;
130 			case CIS_CONF_MAP:	/* 0x1A */
131 				dump_config_map(tp);
132 				break;
133 			case CIS_CONFIG:	/* 0x1B */
134 				dump_cis_config(tp);
135 				break;
136 			case CIS_DEVICE_OC:	/* 0x1C */
137 			case CIS_DEVICE_OA:	/* 0x1D */
138 				dump_other_cond(tp->data, tp->length);
139 				break;
140 			case CIS_DEVICEGEO:	/* 0x1E */
141 			case CIS_DEVICEGEO_A:	/* 0x1F */
142 				dump_device_geo(tp->data, tp->length);
143 				break;
144 			case CIS_MANUF_ID:	/* 0x20 */
145 				printf("\tPCMCIA ID = 0x%x, OEM ID = 0x%x\n",
146 				       tpl16(tp->data),
147 				       tpl16(tp->data + 2));
148 				break;
149 			case CIS_FUNC_ID:	/* 0x21 */
150 				func = tp->data[0];
151 				dump_func_id(tp->data);
152 				break;
153 			case CIS_FUNC_EXT:	/* 0x22 */
154 				switch (func) {
155 				case 2:
156 					dump_serial_ext(tp->data, tp->length);
157 					break;
158 				case 4:
159 					dump_disk_ext(tp->data, tp->length);
160 					break;
161 				case 6:
162 					dump_network_ext(tp->data, tp->length);
163 					break;
164 				}
165 				break;
166 			case CIS_VERS_2:	/* 0x40 */
167 				dump_info_v2(tp->data, tp->length);
168 				break;
169 			case CIS_ORG:		/* 0x46 */
170 				dump_org(tp->data, tp->length);
171 				break;
172 			}
173 		}
174 }
175 
176 /*
177  *	CIS_CONF_MAP   : Dump configuration map tuple.
178  *	CIS_CONF_MAP_CB: Dump configuration map for CardBus
179  */
180 static void
181 dump_config_map(struct tuple *tp)
182 {
183 	u_char *p = tp->data, x;
184 	int     rlen, mlen = 0;
185 	int     i;
186 
187 	rlen = (p[0] & 3) + 1;
188 	if (tp->code == CIS_CONF_MAP)
189 		mlen = ((p[0] >> 2) & 3) + 1;
190 	if (tp->length < rlen + mlen + 2) {
191 		printf("\tWrong length for configuration map tuple\n");
192 		return;
193 	}
194 	printf("\tReg len = %d, config register addr = 0x%x, last config = 0x%x\n",
195 	       rlen, parse_num(rlen | 0x10, p + 2, &p, 0), p[1]);
196 	if (mlen) {
197 		printf("\tRegisters: ");
198 		for (i = 0; i < mlen; i++, p++) {
199 			for (x = 0x1; x; x <<= 1)
200 				printf("%c", x & *p ? 'X' : '-');
201 			putchar(' ');
202 		}
203 	}
204 	i = tp->length - (rlen + mlen + 2);
205 	if (i) {
206 		if (!mlen)
207 			putchar('\t');
208 		printf("%d bytes in subtuples", i);
209 	}
210 	if (mlen || i)
211 		putchar('\n');
212 }
213 
214 /*
215  *	Dump power descriptor.
216  *	call from dump_cis_config()
217  */
218 static int
219 print_pwr_desc(u_char *p)
220 {
221 	int     len = 1, i;
222 	u_char mask;
223 	const char  **expp;
224 	static const char *pname[] =
225 	{"Nominal operating supply voltage",
226 	 "Minimum operating supply voltage",
227 	 "Maximum operating supply voltage",
228 	 "Continuous supply current",
229 	 "Max current average over 1 second",
230 	 "Max current average over 10 ms",
231 	 "Power down supply current",
232 	 "Reserved"
233 	};
234 	static const char *vexp[] =
235 	{"10uV", "100uV", "1mV", "10mV", "100mV", "1V", "10V", "100V"};
236 	static const char *cexp[] =
237 	{"10nA", "1uA", "10uA", "100uA", "1mA", "10mA", "100mA", "1A"};
238 	static const char *mant[] =
239 	{"1", "1.2", "1.3", "1.5", "2", "2.5", "3", "3.5", "4", "4.5",
240 	"5", "5.5", "6", "7", "8", "9"};
241 
242 	mask = *p++;
243 	expp = vexp;
244 	for (i = 0; i < 8; i++)
245 		if (mask & (1 << i)) {
246 			len++;
247 			if (i >= 3)
248 				expp = cexp;
249 			printf("\t\t%s: ", pname[i]);
250 			printf("%s x %s",
251 			    mant[(*p >> 3) & 0xF],
252 			    expp[*p & 7]);
253 			while (*p & 0x80) {
254 				len++;
255 				p++;
256 				printf(", ext = 0x%x", *p);
257 			}
258 			printf("\n");
259 			p++;
260 		}
261 	return (len);
262 }
263 
264 /*
265  *	print_ext_speed - Print extended speed.
266  *	call from dump_cis_config(), dump_device_desc()
267  */
268 static void
269 print_ext_speed(u_char x, int scale)
270 {
271 	static const char *mant[] =
272 	{"Reserved", "1.0", "1.2", "1.3", "1.5", "2.0", "2.5", "3.0",
273 	"3.5", "4.0", "4.5", "5.0", "5.5", "6.0", "7.0", "8.0"};
274 	static const char *exp[] =
275 	{"1 ns", "10 ns", "100 ns", "1 us", "10 us", "100 us",
276 	"1 ms", "10 ms"};
277 	static const char *scale_name[] =
278 	{"None", "10", "100", "1,000", "10,000", "100,000",
279 	"1,000,000", "10,000,000"};
280 
281 	printf("Speed = %s x %s", mant[(x >> 3) & 0xF], exp[x & 7]);
282 	if (scale)
283 		printf(", scaled by %s", scale_name[scale & 7]);
284 }
285 
286 /*
287  *	Print variable length value.
288  *	call from print_io_map(), print_mem_map()
289  */
290 static int
291 print_num(int sz, const char *fmt, u_char *p, int ofs)
292 {
293 	switch (sz) {
294 	case 0:
295 	case 0x10:
296 		return 0;
297 	case 1:
298 	case 0x11:
299 		printf(fmt, *p + ofs);
300 		return 1;
301 	case 2:
302 	case 0x12:
303 		printf(fmt, tpl16(p) + ofs);
304 		return 2;
305 	case 0x13:
306 		printf(fmt, tpl24(p) + ofs);
307 		return 3;
308 	case 3:
309 	case 0x14:
310 		printf(fmt, tpl32(p) + ofs);
311 		return 4;
312 	}
313 	errx(1, "print_num(0x%x): Illegal arguments", sz);
314 /*NOTREACHED*/
315 }
316 
317 /*
318  *	Print I/O mapping sub-tuple.
319  *	call from dump_cis_config()
320  */
321 static u_char *
322 print_io_map(u_char *p, u_char *q)
323 {
324 	int i, j;
325 	u_char c;
326 
327 	if (q <= p)
328 		goto err;
329 	if (CIS_IO_ADDR(*p))	/* I/O address line */
330 		printf("\tCard decodes %d address lines",
331 			CIS_IO_ADDR(*p));
332 	else
333 		printf("\tCard provides address decode");
334 
335 	/* 8/16 bit I/O */
336 	switch (*p & (CIS_IO_8BIT | CIS_IO_16BIT)) {
337 	case CIS_IO_8BIT:
338 		printf(", 8 Bit I/O only");
339 		break;
340 	case CIS_IO_16BIT:
341 		printf(", limited 8/16 Bit I/O");
342 		break;
343 	case (CIS_IO_8BIT | CIS_IO_16BIT):
344 		printf(", full 8/16 Bit I/O");
345 		break;
346 	}
347 	putchar('\n');
348 
349 	/* I/O block sub-tuple exist */
350 	if (*p++ & CIS_IO_RANGE) {
351 		if (q <= p)
352 			goto err;
353 		c = *p++;
354 		/* calculate byte length */
355 		j = CIS_IO_ADSZ(c) + CIS_IO_BLKSZ(c);
356 		if (CIS_IO_ADSZ(c) == 3)
357 			j++;
358 		if (CIS_IO_BLKSZ(c) == 3)
359 			j++;
360 		/* number of I/O block sub-tuples */
361 		for (i = 0; i <= CIS_IO_BLKS(c); i++) {
362 			if (q - p < j)
363 				goto err;
364 			printf("\t\tI/O address # %d: ", i + 1);
365 			/* start block address */
366 			p += print_num(CIS_IO_ADSZ(c),
367 				       "block start = 0x%x", p, 0);
368 			/* block size */
369 			p += print_num(CIS_IO_BLKSZ(c),
370 				       " block length = 0x%x", p, 1);
371 			putchar('\n');
372 		}
373 	}
374 	return p;
375 
376  err:	/* warning */
377 	printf("\tWrong length for I/O mapping sub-tuple\n");
378 	return p;
379 }
380 
381 /*
382  *	Print IRQ sub-tuple.
383  *	call from dump_cis_config()
384  */
385 static u_char *
386 print_irq_map(u_char *p, u_char *q)
387 {
388 	int i, j;
389 	u_char c;
390 
391 	if (q <= p)
392 		goto err;
393 	printf("\t\tIRQ modes:");
394 	c = ' ';
395 	if (*p & CIS_IRQ_LEVEL) { /* Level triggered interrupts */
396 		printf(" Level");
397 		c = ',';
398 	}
399 	if (*p & CIS_IRQ_PULSE) { /* Pulse triggered requests */
400 		printf("%c Pulse", c);
401 		c = ',';
402 	}
403 	if (*p & CIS_IRQ_SHARING) /* Interrupt sharing */
404 		printf("%c Shared", c);
405 	putchar('\n');
406 
407 	/* IRQ mask values exist */
408 	if (*p & CIS_IRQ_MASK) {
409 		if (q - p < 3)
410 			goto err;
411 		i = tpl16(p + 1); /* IRQ mask */
412 		printf("\t\tIRQs: ");
413 		if (*p & 1)
414 			printf(" NMI");
415 		if (*p & 0x2)
416 			printf(" IOCK");
417 		if (*p & 0x4)
418 			printf(" BERR");
419 		if (*p & 0x8)
420 			printf(" VEND");
421 		for (j = 0; j < 16; j++)
422 			if (i & (1 << j))
423 				printf(" %d", j);
424 		putchar('\n');
425 		p += 3;
426 	} else {
427 		printf("\t\tIRQ level = %d\n", CIS_IRQ_IRQN(*p));
428 		p++;
429 	}
430 	return p;
431 
432  err:	/* warning */
433 	printf("\tWrong length for IRQ sub-tuple\n");
434 	return p;
435 }
436 
437 /*
438  *	Print memory map sub-tuple.
439  *	call from dump_cis_config()
440  */
441 static u_char *
442 print_mem_map(u_char feat, u_char *p, u_char *q)
443 {
444 	int i, j;
445 	u_char c;
446 
447 	switch (CIS_FEAT_MEMORY(feat)) {
448 
449 	case CIS_FEAT_MEM_NONE:	/* No memory block */
450 		break;
451 	case CIS_FEAT_MEM_LEN:	/* Specify memory length */
452 		if (q - p < 2)
453 			goto err;
454 		printf("\tMemory space length = 0x%x\n", tpl16(p));
455 		p += 2;
456 		break;
457 	case CIS_FEAT_MEM_ADDR:	/* Memory address and length */
458 		if (q - p < 4)
459 			goto err;
460 		printf("\tMemory space address = 0x%x, length = 0x%x\n",
461 		       tpl16(p + 2), tpl16(p));
462 		p += 4;
463 		break;
464 	case CIS_FEAT_MEM_WIN:	/* Memory descriptors. */
465 		if (q <= p)
466 			goto err;
467 		c = *p++;
468 		/* calculate byte length */
469 		j = CIS_MEM_LENSZ(c) + CIS_MEM_ADDRSZ(c);
470 		if (c & CIS_MEM_HOST)
471 			j += CIS_MEM_ADDRSZ(c);
472 		/* number of memory block */
473 		for (i = 0; i < CIS_MEM_WINS(c); i++) {
474 			if (q - p < j)
475 				goto err;
476 			printf("\tMemory descriptor %d\n\t\t", i + 1);
477 			/* memory length */
478 			p += print_num(CIS_MEM_LENSZ(c) | 0x10,
479 				       " blk length = 0x%x00", p, 0);
480 			/* card address */
481 			p += print_num(CIS_MEM_ADDRSZ(c) | 0x10,
482 				       " card addr = 0x%x00", p, 0);
483 			if (c & CIS_MEM_HOST) /* Host address value exist */
484 				p += print_num(CIS_MEM_ADDRSZ(c) | 0x10,
485 					       " host addr = 0x%x00", p, 0);
486 			putchar('\n');
487 		}
488 		break;
489 	}
490 	return p;
491 
492  err:	/* warning */
493 	printf("\tWrong length for memory mapping sub-tuple\n");
494 	return p;
495 }
496 
497 /*
498  *	CIS_CONFIG   : Dump a config entry.
499  *	CIS_CONFIG_CB: Dump a configuration entry for CardBus
500  */
501 static void
502 dump_cis_config(struct tuple *tp)
503 {
504 	u_char *p, *q, feat;
505 	int     i, j;
506 	char    c;
507 
508 	p = tp->data;
509 	q = p + tp->length;
510 	printf("\tConfig index = 0x%x%s\n", *p & 0x3F,
511 	       *p & 0x40 ? "(default)" : "");
512 
513 	/* Interface byte exists */
514 	if (tp->code == CIS_CONFIG && (*p & 0x80)) {
515 		p++;
516 		printf("\tInterface byte = 0x%x ", *p);
517 		switch (*p & 0xF) { /* Interface type */
518 		default:
519 			printf("(reserved)");
520 			break;
521 		case 0:
522 			printf("(memory)");
523 			break;
524 		case 1:
525 			printf("(I/O)");
526 			break;
527 		case 4:
528 		case 5:
529 		case 6:
530 		case 7:
531 		case 8:
532 			printf("(custom)");
533 			break;
534 		}
535 		c = ' ';
536 		if (*p & 0x10) { /* Battery voltage detect */
537 			printf(" BVD1/2 active");
538 			c = ',';
539 		}
540 		if (*p & 0x20) { /* Write protect active */
541 			printf("%c card WP active", c);	/* Write protect */
542 			c = ',';
543 		}
544 		if (*p & 0x40) { /* RdyBsy active bit */
545 			printf("%c +RDY/-BSY active", c);
546 			c = ',';
547 		}
548 		if (*p & 0x80)	/* Wait signal required */
549 			printf("%c wait signal supported", c);
550 		printf("\n");
551 	}
552 
553 	/* features byte */
554 	p++;
555 	feat = *p++;
556 
557 	/* Power structure sub-tuple */
558 	switch (CIS_FEAT_POWER(feat)) {	/* Power sub-tuple(s) exists */
559 	case 0:
560 		break;
561 	case 1:
562 		printf("\tVcc pwr:\n");
563 		p += print_pwr_desc(p);
564 		break;
565 	case 2:
566 		printf("\tVcc pwr:\n");
567 		p += print_pwr_desc(p);
568 		printf("\tVpp pwr:\n");
569 		p += print_pwr_desc(p);
570 		break;
571 	case 3:
572 		printf("\tVcc pwr:\n");
573 		p += print_pwr_desc(p);
574 		printf("\tVpp1 pwr:\n");
575 		p += print_pwr_desc(p);
576 		printf("\tVpp2 pwr:\n");
577 		p += print_pwr_desc(p);
578 		break;
579 	}
580 
581 	/* Timing sub-tuple */
582 	if (tp->code == CIS_CONFIG &&
583 	    (feat & CIS_FEAT_TIMING)) {	/* Timing sub-tuple exists */
584 		i = *p++;
585 		j = CIS_WAIT_SCALE(i);
586 		if (j != 3) {
587 			printf("\tWait scale ");
588 			print_ext_speed(*p++, j);
589 			printf("\n");
590 		}
591 		j = CIS_READY_SCALE(i);
592 		if (j != 7) {
593 			printf("\tRDY/BSY scale ");
594 			print_ext_speed(*p++, j);
595 			printf("\n");
596 		}
597 		j = CIS_RESERVED_SCALE(i);
598 		if (j != 7) {
599 			printf("\tExternal scale ");
600 			print_ext_speed(*p++, j);
601 			printf("\n");
602 		}
603 	}
604 
605 	/* I/O mapping sub-tuple */
606 	if (feat & CIS_FEAT_I_O) { /* I/O space sub-tuple exists */
607 		if (tp->code == CIS_CONFIG)
608 			p = print_io_map(p, q);
609 		else {		/* CIS_CONFIG_CB */
610 			printf("\tI/O base:");
611 			for (i = 0; i < 8; i++)
612 				if (*p & (1 << i))
613 					printf(" %d", i);
614 			putchar('\n');
615 			p++;
616 		}
617 	}
618 
619 	/* IRQ descriptor sub-tuple */
620 	if (feat & CIS_FEAT_IRQ) /* IRQ sub-tuple exists */
621 		p = print_irq_map(p, q);
622 
623 	/* Memory map sub-tuple */
624 	if (CIS_FEAT_MEMORY(feat)) { /* Memory space sub-tuple(s) exists */
625 		if (tp->code == CIS_CONFIG)
626 			p = print_mem_map(feat, p, q);
627 		else {		/* CIS_CONFIG_CB */
628 			printf("\tMemory base:");
629 			for (i = 0; i < 8; i++)
630 				if (*p & (1 << i))
631 					printf(" %d", i);
632 			putchar('\n');
633 			p++;
634 		}
635 	}
636 
637 	/* Misc sub-tuple */
638 	if (feat & CIS_FEAT_MISC) { /* Miscellaneous sub-tuple exists */
639 		if (tp->code == CIS_CONFIG) {
640 			printf("\tMax twin cards = %d\n", *p & 7);
641 			printf("\tMisc attr:%s%s%s",
642 			       (*p & 8) ? " (Audio-BVD2)" : "",
643 			       (*p & 0x10) ? " (Read-only)" : "",
644 			       (*p & 0x20) ? " (Power down supported)" : "");
645 			if (*p++ & 0x80) {
646 				printf(" (Ext byte = 0x%x)", *p);
647 				p++;
648 			}
649 			putchar('\n');
650 		}
651 		else {		/* CIS_CONFIG_CB */
652 			printf("\tMisc attr:");
653 			printf("%s%s%s%s%s%s%s",
654 			       (*p & 1) ? " (Master)" : "",
655 			       (*p & 2) ? " (Invalidate)" : "",
656 			       (*p & 4) ? " (VGA palette)" : "",
657 			       (*p & 8) ? " (Parity)" : "",
658 			       (*p & 0x10) ? " (Wait)" : "",
659 			       (*p & 0x20) ? " (Serr)" : "",
660 			       (*p & 0x40) ? " (Fast back)" : "");
661 			if (*p++ & 0x80) {
662 				printf("%s%s",
663 				       (*p & 1) ? " (Binary audio)" : "",
664 				       (*p & 2) ? " (pwm audio)" : "");
665 				p++;
666 			}
667 			putchar('\n');
668 		}
669 	}
670 }
671 
672 /*
673  *	CIS_DEVICE_OC, CIS_DEVICE_OA:
674  *		Dump other conditions for common/attribute memory
675  */
676 static void
677 dump_other_cond(u_char *p, int len)
678 {
679 	if (p[0] && len > 0) {
680 		printf("\t");
681 		if (p[0] & 1)
682 			printf("(MWAIT)");
683 		if (p[0] & 2)
684 			printf(" (3V card)");
685 		if (p[0] & 0x80)
686 			printf(" (Extension bytes follow)");
687 		printf("\n");
688 	}
689 }
690 
691 /*
692  *	CIS_MEM_COMMON, CIS_MEM_ATTR:
693  *		Common / Attribute memory descripter
694  */
695 static void
696 dump_device_desc(u_char *p, int len, const char *type)
697 {
698 	static const char *un_name[] =
699 	{"512b", "2Kb", "8Kb", "32Kb", "128Kb", "512Kb", "2Mb", "reserved"};
700 	static const char *speed[] =
701 	{"No speed", "250nS", "200nS", "150nS",
702 	"100nS", "Reserved", "Reserved"};
703 	static const char *dev[] =
704 	{"No device", "Mask ROM", "OTPROM", "UV EPROM",
705 	 "EEPROM", "FLASH EEPROM", "SRAM", "DRAM",
706 	 "Reserved", "Reserved", "Reserved", "Reserved",
707 	 "Reserved", "Function specific", "Extended",
708 	"Reserved"};
709 	int     count = 0;
710 
711 	while (*p != 0xFF && len > 0) {
712 		u_char x;
713 
714 		x = *p++;
715 		len -= 2;
716 		if (count++ == 0)
717 			printf("\t%s memory device information:\n", type);
718 		printf("\t\tDevice number %d, type %s, WPS = %s\n",
719 		    count, dev[x >> 4], (x & 0x8) ? "ON" : "OFF");
720 		if ((x & 7) == 7) {
721 			len--;
722 			if (*p) {
723 				printf("\t\t");
724 				print_ext_speed(*p, 0);
725 				while (*p & 0x80) {
726 					p++;
727 					len--;
728 				}
729 			}
730 			p++;
731 		} else
732 			printf("\t\tSpeed = %s", speed[x & 7]);
733 		printf(", Memory block size = %s, %d units\n",
734 		    un_name[*p & 7], (*p >> 3) + 1);
735 		p++;
736 	}
737 }
738 
739 /*
740  *	CIS_INFO_V1: Print version-1 info
741  */
742 static void
743 dump_info_v1(u_char *p, int len)
744 {
745 	if (len < 2) {
746 		printf("\tWrong length for version-1 info tuple\n");
747 		return;
748 	}
749 	printf("\tVersion = %d.%d", p[0], p[1]);
750 	p += 2;
751 	len -= 2;
752 	if (len > 1 && *p != 0xff) {
753 		printf(", Manuf = [%s]", p);
754 		while (*p++ && --len > 0);
755 	}
756 	if (len > 1 && *p != 0xff) {
757 		printf(", card vers = [%s]", p);
758 		while (*p++ && --len > 0);
759 	} else {
760 		printf("\n\tWrong length for version-1 info tuple\n");
761 		return;
762 	}
763 	putchar('\n');
764 	if (len > 1 && *p != 0xff) {
765 		printf("\tAddit. info = [%.*s]", len, p);
766 		while (*p++ && --len > 0);
767 		if (len > 1 && *p != 0xff)
768 			printf(",[%.*s]", len, p);
769 		putchar('\n');
770 	}
771 }
772 
773 /*
774  *	CIS_FUNC_ID: Functional ID
775  */
776 static void
777 dump_func_id(u_char *p)
778 {
779 	static const char *id[] = {
780 		"Multifunction card",
781 		"Memory card",
782 		"Serial port/modem",
783 		"Parallel port",
784 		"Fixed disk card",
785 		"Video adapter",
786 		"Network/LAN adapter",
787 		"AIMS",
788 		"SCSI card",
789 		"Security"
790 	};
791 
792 	printf("\t%s%s%s\n",
793 	       (*p <= 9) ? id[*p] : "Unknown function",
794 	       (p[1] & 1) ? " - POST initialize" : "",
795 	       (p[1] & 2) ? " - Card has ROM" : "");
796 }
797 
798 /*
799  *	CIS_FUNC_EXT: Dump functional extension tuple.
800  *		(Serial port/modem)
801  */
802 static void
803 dump_serial_ext(u_char *p, int len)
804 {
805 	static const char *type[] = {
806 		"", "Modem", "Data", "Fax", "Voice", "Data modem",
807 		"Fax/modem", "Voice", " (Data)", " (Fax)", " (Voice)"
808 	};
809 
810 	if (len < 1)
811 		return;
812 	switch (p[0]) {
813 	case 0:			/* Serial */
814 	case 8:			/* Data */
815 	case 9:			/* Fax */
816 	case 10:		/* Voice */
817 		printf("\tSerial interface extension:%s\n", type[*p]);
818 		if (len < 4)
819 			goto err;
820 		switch (p[1] & 0x1F) {
821 		default:
822 			printf("\t\tUnknown device");
823 			break;
824 		case 0:
825 			printf("\t\t8250 UART");
826 			break;
827 		case 1:
828 			printf("\t\t16450 UART");
829 			break;
830 		case 2:
831 			printf("\t\t16550 UART");
832 			break;
833 		}
834 		printf(", Parity - %s%s%s%s\n",
835 		       (p[2] & 1) ? "Space," : "",
836 		       (p[2] & 2) ? "Mark," : "",
837 		       (p[2] & 4) ? "Odd," : "",
838 		       (p[2] & 8) ? "Even" : "");
839 		printf("\t\tData bit - %s%s%s%s Stop bit - %s%s%s\n",
840 		       (p[3] & 1) ? "5bit," : "",
841 		       (p[3] & 2) ? "6bit," : "",
842 		       (p[3] & 4) ? "7bit," : "",
843 		       (p[3] & 8) ? "8bit," : "",
844 		       (p[3] & 0x10) ? "1bit," : "",
845 		       (p[3] & 0x20) ? "1.5bit," : "",
846 		       (p[3] & 0x40) ? "2bit" : "");
847 		break;
848 	case 1:			/* Serial */
849 	case 5:			/* Data */
850 	case 6:			/* Fax */
851 	case 7:			/* Voice */
852 		printf("\t%s interface capabilities:\n", type[*p]);
853 		if (len < 9)
854 			goto err;
855 		break;
856 	case 2:			/* Data */
857 		printf("\tData modem services available:\n");
858 		break;
859 	case 0x13:		/* Fax1 */
860 	case 0x23:		/* Fax2 */
861 	case 0x33:		/* Fax3 */
862 		printf("\tFax%d/modem services available:\n", *p >> 4);
863 		break;
864 	case 0x84:		/* Voice */
865 		printf("\tVoice services available:\n");
866 		break;
867 	err:	/* warning */
868 		printf("\tWrong length for serial extension tuple\n");
869 		return;
870 	}
871 }
872 
873 /*
874  *	CIS_FUNC_EXT: Dump functional extension tuple.
875  *		(Fixed disk card)
876  */
877 static void
878 dump_disk_ext(u_char *p, int len)
879 {
880 	if (len < 1)
881 		return;
882 	switch (p[0]) {
883 	case 1:			/* IDE interface */
884 		if (len < 2)
885 			goto err;
886 		printf("\tDisk interface: %s\n",
887 		       (p[1] & 1) ? "IDE" : "Undefined");
888 		break;
889 	case 2:			/* Master */
890 	case 3:			/* Slave */
891 		if (len < 3)
892 			goto err;
893 		printf("\tDisk features: %s, %s%s\n",
894 		       (p[1] & 0x04) ? "Silicon" : "Rotating",
895 		       (p[1] & 0x08) ? "Unique, " : "",
896 		       (p[1] & 0x10) ? "Dual" : "Single");
897 		if (p[2] & 0x7f)
898 			printf("\t\t%s%s%s%s%s%s%s\n",
899 			       (p[2] & 0x01) ? "Sleep, " : "",
900 			       (p[2] & 0x02) ? "Standby, " : "",
901 			       (p[2] & 0x04) ? "Idle, " : "",
902 			       (p[2] & 0x08) ? "Low power, " : "",
903 			       (p[2] & 0x10) ? "Reg inhibit, " : "",
904 			       (p[2] & 0x20) ? "Index, " : "",
905 			       (p[2] & 0x40) ? "Iois16" : "");
906 		break;
907 	err:	/* warning */
908 		printf("\tWrong length for fixed disk extension tuple\n");
909 		return;
910 	}
911 }
912 
913 static void
914 print_speed(u_int i)
915 {
916 	if (i < 1000)
917 		printf("%u bits/sec", i);
918 	else if (i < 1000000)
919 		printf("%u kb/sec", i / 1000);
920 	else
921 		printf("%u Mb/sec", i / 1000000);
922 }
923 
924 /*
925  *	CIS_FUNC_EXT: Dump functional extension tuple.
926  *		(Network/LAN adapter)
927  */
928 static void
929 dump_network_ext(u_char *p, int len)
930 {
931 	static const char *tech[] = {
932 		"Undefined", "ARCnet", "Ethernet", "Token ring",
933 		"Localtalk", "FDDI/CDDI", "ATM", "Wireless"
934 	};
935 	static const char *media[] = {
936 		"Undefined", "UTP", "STP", "Thin coax",
937 		"THICK coax", "Fiber", "900 MHz", "2.4 GHz",
938 		"5.4 GHz", "Diffuse Infrared", "Point to point Infrared"
939 	};
940 	u_int i = 0;
941 
942 	if (len < 1)
943 		return;
944 	switch (p[0]) {
945 	case 1:			/* Network technology */
946 		if (len < 2)
947 			goto err;
948 		printf("\tNetwork technology: %s\n", tech[p[1] & 7]);
949 		break;
950 	case 2:			/* Network speed */
951 		if (len < 5)
952 			goto err;
953 		printf("\tNetwork speed: ");
954 		print_speed(tpl32(p + 1));
955 		putchar('\n');
956 		break;
957 	case 3:			/* Network media */
958 		if (len < 2)
959 			goto err;
960 		if (p[1] <= 10)
961 			i = p[1];
962 		printf("\tNetwork media: %s\n", media[i]);
963 		break;
964 	case 4:			/* Node ID */
965 		if (len <= 2 || len < p[1] + 2)
966 			goto err;
967 		printf("\tNetwork node ID:");
968 		for (i = 0; i < p[1]; i++)
969 			printf(" %02x", p[i + 2]);
970 		putchar('\n');
971 		break;
972 	case 5:			/* Connector type */
973 		if (len < 2)
974 			goto err;
975 		printf("\tNetwork connector: %s connector standard\n",
976 		       (p[1] == 0) ? "open" : "closed");
977 		break;
978 	err:	/* warning */
979 		printf("\tWrong length for network extension tuple\n");
980 		return;
981 	}
982 }
983 
984 /*
985  *	CIS_LONGLINK_MFC: Long link to next chain for Multi function card
986  */
987 static void
988 dump_longlink_mfc(u_char *p, int len)
989 {
990 	u_int i, n = *p++;
991 
992 	--len;
993 	for (i = 0; i < n; i++) {
994 		if (len < 5) {
995 			printf("\tWrong length for long link MFC tuple\n");
996 			return;
997 		}
998 		printf("\tFunction %d: %s memory, address 0x%x\n",
999 		       i, (*p ? "common" : "attribute"), tpl32(p + 1));
1000 		p += 5;
1001 		len -= 5;
1002 	}
1003 }
1004 
1005 /*
1006  *	CIS_DEVICEGEO, CIS_DEVICEGEO_A:
1007  *		Geometry info for common/attribute memory
1008  */
1009 static void
1010 dump_device_geo(u_char *p, int len)
1011 {
1012 	while (len >= 6) {
1013 		printf("\twidth = %d, erase = 0x%x, read = 0x%x, write = 0x%x\n"
1014 		       "\t\tpartition = 0x%x, interleave = 0x%x\n",
1015 		       p[0], 1 << (p[1] - 1),
1016 		       1 << (p[2] - 1), 1 << (p[3] - 1),
1017 		       1 << (p[4] - 1), 1 << (p[5] - 1));
1018 		len -= 6;
1019 	}
1020 }
1021 
1022 /*
1023  *	CIS_INFO_V2: Print version-2 info
1024  */
1025 static void
1026 dump_info_v2(u_char *p, int len)
1027 {
1028 	if (len < 9) {
1029 		printf("\tWrong length for version-2 info tuple\n");
1030 		return;
1031 	}
1032 	printf("\tVersion = 0x%x, compliance = 0x%x, dindex = 0x%x\n",
1033 	       p[0], p[1], tpl16(p + 2));
1034 	printf("\tVspec8 = 0x%x, vspec9 = 0x%x, nhdr = %d\n",
1035 	       p[6], p[7], p[8]);
1036 	p += 9;
1037 	len -= 9;
1038 	if (len <= 1 || *p == 0xff)
1039 		return;
1040 	printf("\tVendor = [%.*s]", len, p);
1041 	while (*p++ && --len > 0);
1042 	if (len > 1 && *p != 0xff)
1043 		printf(", info = [%.*s]", len, p);
1044 	putchar('\n');
1045 }
1046 
1047 /*
1048  *	CIS_ORG: Organization
1049  */
1050 static void
1051 dump_org(u_char *p, int len)
1052 {
1053 	if (len < 1) {
1054 		printf("\tWrong length for organization tuple\n");
1055 		return;
1056 	}
1057 	switch (*p) {
1058 	case 0:
1059 		printf("\tFilesystem");
1060 		break;
1061 	case 1:
1062 		printf("\tApp specific");
1063 		break;
1064 	case 2:
1065 		printf("\tCode");
1066 		break;
1067 	default:
1068 		if (*p < 0x80)
1069 			printf("\tReserved");
1070 		else
1071 			printf("\tVendor specific");
1072 		break;
1073 	}
1074 	printf(" [%.*s]\n", len - 1, p + 1);
1075 }
1076 
1077 static void
1078 print_size(u_int i)
1079 {
1080 	if (i < 1024)
1081 		printf("%ubits", i);
1082 	else if (i < 1024*1024)
1083 		printf("%ukb", i / 1024);
1084 	else
1085 		printf("%uMb", i / (1024*1024));
1086 }
1087 
1088 /*
1089  *	CIS_BAR: Base address register for CardBus
1090  */
1091 static void
1092 dump_bar(u_char *p, int len)
1093 {
1094 	if (len < 6) {
1095 		printf("\tWrong length for BAR tuple\n");
1096 		return;
1097 	}
1098 	printf("\tBAR %d: size = ", *p & 7);
1099 	print_size(tpl32(p + 2));
1100 	printf(", %s%s%s%s\n",
1101 	       (*p & 0x10) ? "I/O" : "Memory",
1102 	       (*p & 0x20) ? ", Prefetch" : "",
1103 	       (*p & 0x40) ? ", Cacheable" : "",
1104 	       (*p & 0x80) ? ", <1Mb" : "");
1105 }
1106