xref: /freebsd/usr.sbin/dumpcis/printcis.c (revision d0b2dbfa0ecf2bbc9709efc5e20baf8e4b44bbbf)
1 /*-
2  * SPDX-License-Identifier: BSD-3-Clause
3  *
4  * Copyright (c) 1995 Andrew McRae.  All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  * 3. The name of the author may not be used to endorse or promote products
15  *    derived from this software without specific prior written permission.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27  */
28 
29 #include <sys/cdefs.h>
30 /*
31  * Code cleanup, bug-fix and extension
32  * by Tatsumi Hosokawa <hosokawa@mt.cs.keio.ac.jp>
33  */
34 
35 #include <err.h>
36 #include <stdio.h>
37 #include <stdlib.h>
38 #include <string.h>
39 #include <unistd.h>
40 #include <sys/ioctl.h>
41 
42 #include "cis.h"
43 #include "readcis.h"
44 
45 static void   dump_config_map(struct tuple *tp);
46 static void   dump_cis_config(struct tuple *tp);
47 static void   dump_other_cond(u_char *p, int len);
48 static void   dump_device_desc(u_char *p, int len, const char *type);
49 static void   dump_info_v1(u_char *p, int len);
50 static void   dump_longlink_mfc(u_char *p, int len);
51 static void   dump_bar(u_char *p, int len);
52 static void   dump_device_geo(u_char *p, int len);
53 static void   dump_func_id(u_char *p);
54 static void   dump_serial_ext(u_char *p, int len);
55 static void   dump_disk_ext(u_char *p, int len);
56 static void   dump_network_ext(u_char *p, int len);
57 static void   dump_info_v2(u_char *p, int len);
58 static void   dump_org(u_char *p, int len);
59 
60 void
61 dumpcis(struct tuple_list *tlist)
62 {
63 	struct tuple *tp;
64 	struct tuple_list *tl;
65 	int     count = 0, sz, ad, i;
66 	u_char *p;
67 	int func = 0;
68 
69 	for (tl = tlist; tl; tl = tl->next)
70 		for (tp = tl->tuples; tp; tp = tp->next) {
71 			printf("Tuple #%d, code = 0x%x (%s), length = %d\n",
72 			    ++count, tp->code, tuple_name(tp->code), tp->length);
73 			p = tp->data;
74 			sz = tp->length;
75 			ad = 0;
76 			while (sz > 0) {
77 				printf("    %03x: ", ad);
78 				for (i = 0; i < ((sz < 16) ? sz : 16); i++)
79 					printf(" %02x", p[i]);
80 				printf("\n");
81 				sz -= 16;
82 				p += 16;
83 				ad += 16;
84 			}
85 			switch (tp->code) {
86 			default:
87 				break;
88 			case CIS_MEM_COMMON:	/* 0x01 */
89 				dump_device_desc(tp->data, tp->length, "Common");
90 				break;
91 			case CIS_CONF_MAP_CB:	/* 0x04 */
92 				dump_config_map(tp);
93 				break;
94 			case CIS_CONFIG_CB:	/* 0x05 */
95 				dump_cis_config(tp);
96 				break;
97 			case CIS_LONGLINK_MFC:	/* 0x06 */
98 				dump_longlink_mfc(tp->data, tp->length);
99 				break;
100 			case CIS_BAR:		/* 0x07 */
101 				dump_bar(tp->data, tp->length);
102 				break;
103 			case CIS_CHECKSUM:	/* 0x10 */
104 				printf("\tChecksum from offset %d, length %d, value is 0x%x\n",
105 				       tpl16(tp->data),
106 				       tpl16(tp->data + 2),
107 				       tp->data[4]);
108 				break;
109 			case CIS_LONGLINK_A:	/* 0x11 */
110 				printf("\tLong link to attribute memory, address 0x%x\n",
111 				       tpl32(tp->data));
112 				break;
113 			case CIS_LONGLINK_C:	/* 0x12 */
114 				printf("\tLong link to common memory, address 0x%x\n",
115 				       tpl32(tp->data));
116 				break;
117 			case CIS_INFO_V1:	/* 0x15 */
118 				dump_info_v1(tp->data, tp->length);
119 				break;
120 			case CIS_ALTSTR:	/* 0x16 */
121 				break;
122 			case CIS_MEM_ATTR:	/* 0x17 */
123 				dump_device_desc(tp->data, tp->length, "Attribute");
124 				break;
125 			case CIS_JEDEC_C:	/* 0x18 */
126 			case CIS_JEDEC_A:	/* 0x19 */
127 				break;
128 			case CIS_CONF_MAP:	/* 0x1A */
129 				dump_config_map(tp);
130 				break;
131 			case CIS_CONFIG:	/* 0x1B */
132 				dump_cis_config(tp);
133 				break;
134 			case CIS_DEVICE_OC:	/* 0x1C */
135 			case CIS_DEVICE_OA:	/* 0x1D */
136 				dump_other_cond(tp->data, tp->length);
137 				break;
138 			case CIS_DEVICEGEO:	/* 0x1E */
139 			case CIS_DEVICEGEO_A:	/* 0x1F */
140 				dump_device_geo(tp->data, tp->length);
141 				break;
142 			case CIS_MANUF_ID:	/* 0x20 */
143 				printf("\tPCMCIA ID = 0x%x, OEM ID = 0x%x\n",
144 				       tpl16(tp->data),
145 				       tpl16(tp->data + 2));
146 				break;
147 			case CIS_FUNC_ID:	/* 0x21 */
148 				func = tp->data[0];
149 				dump_func_id(tp->data);
150 				break;
151 			case CIS_FUNC_EXT:	/* 0x22 */
152 				switch (func) {
153 				case 2:
154 					dump_serial_ext(tp->data, tp->length);
155 					break;
156 				case 4:
157 					dump_disk_ext(tp->data, tp->length);
158 					break;
159 				case 6:
160 					dump_network_ext(tp->data, tp->length);
161 					break;
162 				}
163 				break;
164 			case CIS_VERS_2:	/* 0x40 */
165 				dump_info_v2(tp->data, tp->length);
166 				break;
167 			case CIS_ORG:		/* 0x46 */
168 				dump_org(tp->data, tp->length);
169 				break;
170 			}
171 		}
172 }
173 
174 /*
175  *	CIS_CONF_MAP   : Dump configuration map tuple.
176  *	CIS_CONF_MAP_CB: Dump configuration map for CardBus
177  */
178 static void
179 dump_config_map(struct tuple *tp)
180 {
181 	u_char *p = tp->data, x;
182 	unsigned int rlen, mlen = 0, i;
183 
184 	rlen = (p[0] & 3) + 1;
185 	if (tp->code == CIS_CONF_MAP)
186 		mlen = ((p[0] >> 2) & 3) + 1;
187 	if (tp->length < rlen + mlen + 2) {
188 		printf("\tWrong length for configuration map tuple\n");
189 		return;
190 	}
191 	printf("\tReg len = %d, config register addr = 0x%x, last config = 0x%x\n",
192 	       rlen, parse_num(rlen | 0x10, p + 2, &p, 0), p[1]);
193 	if (mlen) {
194 		printf("\tRegisters: ");
195 		for (i = 0; i < mlen; i++, p++) {
196 			for (x = 0x1; x; x <<= 1)
197 				printf("%c", x & *p ? 'X' : '-');
198 			putchar(' ');
199 		}
200 	}
201 	i = tp->length - (rlen + mlen + 2);
202 	if (i) {
203 		if (!mlen)
204 			putchar('\t');
205 		printf("%d bytes in subtuples", i);
206 	}
207 	if (mlen || i)
208 		putchar('\n');
209 }
210 
211 /*
212  *	Dump power descriptor.
213  *	call from dump_cis_config()
214  */
215 static int
216 print_pwr_desc(u_char *p)
217 {
218 	int     len = 1, i;
219 	u_char mask;
220 	const char  **expp;
221 	static const char *pname[] =
222 	{"Nominal operating supply voltage",
223 	 "Minimum operating supply voltage",
224 	 "Maximum operating supply voltage",
225 	 "Continuous supply current",
226 	 "Max current average over 1 second",
227 	 "Max current average over 10 ms",
228 	 "Power down supply current",
229 	 "Reserved"
230 	};
231 	static const char *vexp[] =
232 	{"10uV", "100uV", "1mV", "10mV", "100mV", "1V", "10V", "100V"};
233 	static const char *cexp[] =
234 	{"10nA", "1uA", "10uA", "100uA", "1mA", "10mA", "100mA", "1A"};
235 	static const char *mant[] =
236 	{"1", "1.2", "1.3", "1.5", "2", "2.5", "3", "3.5", "4", "4.5",
237 	"5", "5.5", "6", "7", "8", "9"};
238 
239 	mask = *p++;
240 	expp = vexp;
241 	for (i = 0; i < 8; i++)
242 		if (mask & (1 << i)) {
243 			len++;
244 			if (i >= 3)
245 				expp = cexp;
246 			printf("\t\t%s: ", pname[i]);
247 			printf("%s x %s",
248 			    mant[(*p >> 3) & 0xF],
249 			    expp[*p & 7]);
250 			while (*p & 0x80) {
251 				len++;
252 				p++;
253 				printf(", ext = 0x%x", *p);
254 			}
255 			printf("\n");
256 			p++;
257 		}
258 	return (len);
259 }
260 
261 /*
262  *	print_ext_speed - Print extended speed.
263  *	call from dump_cis_config(), dump_device_desc()
264  */
265 static void
266 print_ext_speed(u_char x, int scale)
267 {
268 	static const char *mant[] =
269 	{"Reserved", "1.0", "1.2", "1.3", "1.5", "2.0", "2.5", "3.0",
270 	"3.5", "4.0", "4.5", "5.0", "5.5", "6.0", "7.0", "8.0"};
271 	static const char *exp[] =
272 	{"1 ns", "10 ns", "100 ns", "1 us", "10 us", "100 us",
273 	"1 ms", "10 ms"};
274 	static const char *scale_name[] =
275 	{"None", "10", "100", "1,000", "10,000", "100,000",
276 	"1,000,000", "10,000,000"};
277 
278 	printf("Speed = %s x %s", mant[(x >> 3) & 0xF], exp[x & 7]);
279 	if (scale)
280 		printf(", scaled by %s", scale_name[scale & 7]);
281 }
282 
283 /*
284  *	Print variable length value.
285  *	call from print_io_map(), print_mem_map()
286  */
287 static int
288 print_num(int sz, const char *fmt, u_char *p, int ofs)
289 {
290 	switch (sz) {
291 	case 0:
292 	case 0x10:
293 		return 0;
294 	case 1:
295 	case 0x11:
296 		printf(fmt, *p + ofs);
297 		return 1;
298 	case 2:
299 	case 0x12:
300 		printf(fmt, tpl16(p) + ofs);
301 		return 2;
302 	case 0x13:
303 		printf(fmt, tpl24(p) + ofs);
304 		return 3;
305 	case 3:
306 	case 0x14:
307 		printf(fmt, tpl32(p) + ofs);
308 		return 4;
309 	}
310 	errx(1, "print_num(0x%x): Illegal arguments", sz);
311 /*NOTREACHED*/
312 }
313 
314 /*
315  *	Print I/O mapping sub-tuple.
316  *	call from dump_cis_config()
317  */
318 static u_char *
319 print_io_map(u_char *p, u_char *q)
320 {
321 	int i, j;
322 	u_char c;
323 
324 	if (q <= p)
325 		goto err;
326 	if (CIS_IO_ADDR(*p))	/* I/O address line */
327 		printf("\tCard decodes %d address lines",
328 			CIS_IO_ADDR(*p));
329 	else
330 		printf("\tCard provides address decode");
331 
332 	/* 8/16 bit I/O */
333 	switch (*p & (CIS_IO_8BIT | CIS_IO_16BIT)) {
334 	case CIS_IO_8BIT:
335 		printf(", 8 Bit I/O only");
336 		break;
337 	case CIS_IO_16BIT:
338 		printf(", limited 8/16 Bit I/O");
339 		break;
340 	case (CIS_IO_8BIT | CIS_IO_16BIT):
341 		printf(", full 8/16 Bit I/O");
342 		break;
343 	}
344 	putchar('\n');
345 
346 	/* I/O block sub-tuple exist */
347 	if (*p++ & CIS_IO_RANGE) {
348 		if (q <= p)
349 			goto err;
350 		c = *p++;
351 		/* calculate byte length */
352 		j = CIS_IO_ADSZ(c) + CIS_IO_BLKSZ(c);
353 		if (CIS_IO_ADSZ(c) == 3)
354 			j++;
355 		if (CIS_IO_BLKSZ(c) == 3)
356 			j++;
357 		/* number of I/O block sub-tuples */
358 		for (i = 0; i <= CIS_IO_BLKS(c); i++) {
359 			if (q - p < j)
360 				goto err;
361 			printf("\t\tI/O address # %d: ", i + 1);
362 			/* start block address */
363 			p += print_num(CIS_IO_ADSZ(c),
364 				       "block start = 0x%x", p, 0);
365 			/* block size */
366 			p += print_num(CIS_IO_BLKSZ(c),
367 				       " block length = 0x%x", p, 1);
368 			putchar('\n');
369 		}
370 	}
371 	return p;
372 
373  err:	/* warning */
374 	printf("\tWrong length for I/O mapping sub-tuple\n");
375 	return p;
376 }
377 
378 /*
379  *	Print IRQ sub-tuple.
380  *	call from dump_cis_config()
381  */
382 static u_char *
383 print_irq_map(u_char *p, u_char *q)
384 {
385 	int i, j;
386 	u_char c;
387 
388 	if (q <= p)
389 		goto err;
390 	printf("\t\tIRQ modes:");
391 	c = ' ';
392 	if (*p & CIS_IRQ_LEVEL) { /* Level triggered interrupts */
393 		printf(" Level");
394 		c = ',';
395 	}
396 	if (*p & CIS_IRQ_PULSE) { /* Pulse triggered requests */
397 		printf("%c Pulse", c);
398 		c = ',';
399 	}
400 	if (*p & CIS_IRQ_SHARING) /* Interrupt sharing */
401 		printf("%c Shared", c);
402 	putchar('\n');
403 
404 	/* IRQ mask values exist */
405 	if (*p & CIS_IRQ_MASK) {
406 		if (q - p < 3)
407 			goto err;
408 		i = tpl16(p + 1); /* IRQ mask */
409 		printf("\t\tIRQs: ");
410 		if (*p & 1)
411 			printf(" NMI");
412 		if (*p & 0x2)
413 			printf(" IOCK");
414 		if (*p & 0x4)
415 			printf(" BERR");
416 		if (*p & 0x8)
417 			printf(" VEND");
418 		for (j = 0; j < 16; j++)
419 			if (i & (1 << j))
420 				printf(" %d", j);
421 		putchar('\n');
422 		p += 3;
423 	} else {
424 		printf("\t\tIRQ level = %d\n", CIS_IRQ_IRQN(*p));
425 		p++;
426 	}
427 	return p;
428 
429  err:	/* warning */
430 	printf("\tWrong length for IRQ sub-tuple\n");
431 	return p;
432 }
433 
434 /*
435  *	Print memory map sub-tuple.
436  *	call from dump_cis_config()
437  */
438 static u_char *
439 print_mem_map(u_char feat, u_char *p, u_char *q)
440 {
441 	int i, j;
442 	u_char c;
443 
444 	switch (CIS_FEAT_MEMORY(feat)) {
445 
446 	case CIS_FEAT_MEM_NONE:	/* No memory block */
447 		break;
448 	case CIS_FEAT_MEM_LEN:	/* Specify memory length */
449 		if (q - p < 2)
450 			goto err;
451 		printf("\tMemory space length = 0x%x\n", tpl16(p));
452 		p += 2;
453 		break;
454 	case CIS_FEAT_MEM_ADDR:	/* Memory address and length */
455 		if (q - p < 4)
456 			goto err;
457 		printf("\tMemory space address = 0x%x, length = 0x%x\n",
458 		       tpl16(p + 2), tpl16(p));
459 		p += 4;
460 		break;
461 	case CIS_FEAT_MEM_WIN:	/* Memory descriptors. */
462 		if (q <= p)
463 			goto err;
464 		c = *p++;
465 		/* calculate byte length */
466 		j = CIS_MEM_LENSZ(c) + CIS_MEM_ADDRSZ(c);
467 		if (c & CIS_MEM_HOST)
468 			j += CIS_MEM_ADDRSZ(c);
469 		/* number of memory block */
470 		for (i = 0; i < CIS_MEM_WINS(c); i++) {
471 			if (q - p < j)
472 				goto err;
473 			printf("\tMemory descriptor %d\n\t\t", i + 1);
474 			/* memory length */
475 			p += print_num(CIS_MEM_LENSZ(c) | 0x10,
476 				       " blk length = 0x%x00", p, 0);
477 			/* card address */
478 			p += print_num(CIS_MEM_ADDRSZ(c) | 0x10,
479 				       " card addr = 0x%x00", p, 0);
480 			if (c & CIS_MEM_HOST) /* Host address value exist */
481 				p += print_num(CIS_MEM_ADDRSZ(c) | 0x10,
482 					       " host addr = 0x%x00", p, 0);
483 			putchar('\n');
484 		}
485 		break;
486 	}
487 	return p;
488 
489  err:	/* warning */
490 	printf("\tWrong length for memory mapping sub-tuple\n");
491 	return p;
492 }
493 
494 /*
495  *	CIS_CONFIG   : Dump a config entry.
496  *	CIS_CONFIG_CB: Dump a configuration entry for CardBus
497  */
498 static void
499 dump_cis_config(struct tuple *tp)
500 {
501 	u_char *p, *q, feat;
502 	int     i, j;
503 	char    c;
504 
505 	p = tp->data;
506 	q = p + tp->length;
507 	printf("\tConfig index = 0x%x%s\n", *p & 0x3F,
508 	       *p & 0x40 ? "(default)" : "");
509 
510 	/* Interface byte exists */
511 	if (tp->code == CIS_CONFIG && (*p & 0x80)) {
512 		p++;
513 		printf("\tInterface byte = 0x%x ", *p);
514 		switch (*p & 0xF) { /* Interface type */
515 		default:
516 			printf("(reserved)");
517 			break;
518 		case 0:
519 			printf("(memory)");
520 			break;
521 		case 1:
522 			printf("(I/O)");
523 			break;
524 		case 4:
525 		case 5:
526 		case 6:
527 		case 7:
528 		case 8:
529 			printf("(custom)");
530 			break;
531 		}
532 		c = ' ';
533 		if (*p & 0x10) { /* Battery voltage detect */
534 			printf(" BVD1/2 active");
535 			c = ',';
536 		}
537 		if (*p & 0x20) { /* Write protect active */
538 			printf("%c card WP active", c);	/* Write protect */
539 			c = ',';
540 		}
541 		if (*p & 0x40) { /* RdyBsy active bit */
542 			printf("%c +RDY/-BSY active", c);
543 			c = ',';
544 		}
545 		if (*p & 0x80)	/* Wait signal required */
546 			printf("%c wait signal supported", c);
547 		printf("\n");
548 	}
549 
550 	/* features byte */
551 	p++;
552 	feat = *p++;
553 
554 	/* Power structure sub-tuple */
555 	switch (CIS_FEAT_POWER(feat)) {	/* Power sub-tuple(s) exists */
556 	case 0:
557 		break;
558 	case 1:
559 		printf("\tVcc pwr:\n");
560 		p += print_pwr_desc(p);
561 		break;
562 	case 2:
563 		printf("\tVcc pwr:\n");
564 		p += print_pwr_desc(p);
565 		printf("\tVpp pwr:\n");
566 		p += print_pwr_desc(p);
567 		break;
568 	case 3:
569 		printf("\tVcc pwr:\n");
570 		p += print_pwr_desc(p);
571 		printf("\tVpp1 pwr:\n");
572 		p += print_pwr_desc(p);
573 		printf("\tVpp2 pwr:\n");
574 		p += print_pwr_desc(p);
575 		break;
576 	}
577 
578 	/* Timing sub-tuple */
579 	if (tp->code == CIS_CONFIG &&
580 	    (feat & CIS_FEAT_TIMING)) {	/* Timing sub-tuple exists */
581 		i = *p++;
582 		j = CIS_WAIT_SCALE(i);
583 		if (j != 3) {
584 			printf("\tWait scale ");
585 			print_ext_speed(*p++, j);
586 			printf("\n");
587 		}
588 		j = CIS_READY_SCALE(i);
589 		if (j != 7) {
590 			printf("\tRDY/BSY scale ");
591 			print_ext_speed(*p++, j);
592 			printf("\n");
593 		}
594 		j = CIS_RESERVED_SCALE(i);
595 		if (j != 7) {
596 			printf("\tExternal scale ");
597 			print_ext_speed(*p++, j);
598 			printf("\n");
599 		}
600 	}
601 
602 	/* I/O mapping sub-tuple */
603 	if (feat & CIS_FEAT_I_O) { /* I/O space sub-tuple exists */
604 		if (tp->code == CIS_CONFIG)
605 			p = print_io_map(p, q);
606 		else {		/* CIS_CONFIG_CB */
607 			printf("\tI/O base:");
608 			for (i = 0; i < 8; i++)
609 				if (*p & (1 << i))
610 					printf(" %d", i);
611 			putchar('\n');
612 			p++;
613 		}
614 	}
615 
616 	/* IRQ descriptor sub-tuple */
617 	if (feat & CIS_FEAT_IRQ) /* IRQ sub-tuple exists */
618 		p = print_irq_map(p, q);
619 
620 	/* Memory map sub-tuple */
621 	if (CIS_FEAT_MEMORY(feat)) { /* Memory space sub-tuple(s) exists */
622 		if (tp->code == CIS_CONFIG)
623 			p = print_mem_map(feat, p, q);
624 		else {		/* CIS_CONFIG_CB */
625 			printf("\tMemory base:");
626 			for (i = 0; i < 8; i++)
627 				if (*p & (1 << i))
628 					printf(" %d", i);
629 			putchar('\n');
630 			p++;
631 		}
632 	}
633 
634 	/* Misc sub-tuple */
635 	if (feat & CIS_FEAT_MISC) { /* Miscellaneous sub-tuple exists */
636 		if (tp->code == CIS_CONFIG) {
637 			printf("\tMax twin cards = %d\n", *p & 7);
638 			printf("\tMisc attr:%s%s%s",
639 			       (*p & 8) ? " (Audio-BVD2)" : "",
640 			       (*p & 0x10) ? " (Read-only)" : "",
641 			       (*p & 0x20) ? " (Power down supported)" : "");
642 			if (*p++ & 0x80) {
643 				printf(" (Ext byte = 0x%x)", *p);
644 				p++;
645 			}
646 			putchar('\n');
647 		}
648 		else {		/* CIS_CONFIG_CB */
649 			printf("\tMisc attr:");
650 			printf("%s%s%s%s%s%s%s",
651 			       (*p & 1) ? " (Master)" : "",
652 			       (*p & 2) ? " (Invalidate)" : "",
653 			       (*p & 4) ? " (VGA palette)" : "",
654 			       (*p & 8) ? " (Parity)" : "",
655 			       (*p & 0x10) ? " (Wait)" : "",
656 			       (*p & 0x20) ? " (Serr)" : "",
657 			       (*p & 0x40) ? " (Fast back)" : "");
658 			if (*p++ & 0x80) {
659 				printf("%s%s",
660 				       (*p & 1) ? " (Binary audio)" : "",
661 				       (*p & 2) ? " (pwm audio)" : "");
662 				p++;
663 			}
664 			putchar('\n');
665 		}
666 	}
667 }
668 
669 /*
670  *	CIS_DEVICE_OC, CIS_DEVICE_OA:
671  *		Dump other conditions for common/attribute memory
672  */
673 static void
674 dump_other_cond(u_char *p, int len)
675 {
676 	if (p[0] && len > 0) {
677 		printf("\t");
678 		if (p[0] & 1)
679 			printf("(MWAIT)");
680 		if (p[0] & 2)
681 			printf(" (3V card)");
682 		if (p[0] & 0x80)
683 			printf(" (Extension bytes follow)");
684 		printf("\n");
685 	}
686 }
687 
688 /*
689  *	CIS_MEM_COMMON, CIS_MEM_ATTR:
690  *		Common / Attribute memory descripter
691  */
692 static void
693 dump_device_desc(u_char *p, int len, const char *type)
694 {
695 	static const char *un_name[] =
696 	{"512b", "2Kb", "8Kb", "32Kb", "128Kb", "512Kb", "2Mb", "reserved"};
697 	static const char *speed[] =
698 	{"No speed", "250nS", "200nS", "150nS",
699 	"100nS", "Reserved", "Reserved"};
700 	static const char *dev[] =
701 	{"No device", "Mask ROM", "OTPROM", "UV EPROM",
702 	 "EEPROM", "FLASH EEPROM", "SRAM", "DRAM",
703 	 "Reserved", "Reserved", "Reserved", "Reserved",
704 	 "Reserved", "Function specific", "Extended",
705 	"Reserved"};
706 	int     count = 0;
707 
708 	while (*p != 0xFF && len > 0) {
709 		u_char x;
710 
711 		x = *p++;
712 		len -= 2;
713 		if (count++ == 0)
714 			printf("\t%s memory device information:\n", type);
715 		printf("\t\tDevice number %d, type %s, WPS = %s\n",
716 		    count, dev[x >> 4], (x & 0x8) ? "ON" : "OFF");
717 		if ((x & 7) == 7) {
718 			len--;
719 			if (*p) {
720 				printf("\t\t");
721 				print_ext_speed(*p, 0);
722 				while (*p & 0x80) {
723 					p++;
724 					len--;
725 				}
726 			}
727 			p++;
728 		} else
729 			printf("\t\tSpeed = %s", speed[x & 7]);
730 		printf(", Memory block size = %s, %d units\n",
731 		    un_name[*p & 7], (*p >> 3) + 1);
732 		p++;
733 	}
734 }
735 
736 /*
737  *	CIS_INFO_V1: Print version-1 info
738  */
739 static void
740 dump_info_v1(u_char *p, int len)
741 {
742 	if (len < 2) {
743 		printf("\tWrong length for version-1 info tuple\n");
744 		return;
745 	}
746 	printf("\tVersion = %d.%d", p[0], p[1]);
747 	p += 2;
748 	len -= 2;
749 	if (len > 1 && *p != 0xff) {
750 		printf(", Manuf = [%s]", p);
751 		while (*p++ && --len > 0);
752 	}
753 	if (len > 1 && *p != 0xff) {
754 		printf(", card vers = [%s]", p);
755 		while (*p++ && --len > 0);
756 	} else {
757 		printf("\n\tWrong length for version-1 info tuple\n");
758 		return;
759 	}
760 	putchar('\n');
761 	if (len > 1 && *p != 0xff) {
762 		printf("\tAddit. info = [%.*s]", len, p);
763 		while (*p++ && --len > 0);
764 		if (len > 1 && *p != 0xff)
765 			printf(",[%.*s]", len, p);
766 		putchar('\n');
767 	}
768 }
769 
770 /*
771  *	CIS_FUNC_ID: Functional ID
772  */
773 static void
774 dump_func_id(u_char *p)
775 {
776 	static const char *id[] = {
777 		"Multifunction card",
778 		"Memory card",
779 		"Serial port/modem",
780 		"Parallel port",
781 		"Fixed disk card",
782 		"Video adapter",
783 		"Network/LAN adapter",
784 		"AIMS",
785 		"SCSI card",
786 		"Security"
787 	};
788 
789 	printf("\t%s%s%s\n",
790 	       (*p <= 9) ? id[*p] : "Unknown function",
791 	       (p[1] & 1) ? " - POST initialize" : "",
792 	       (p[1] & 2) ? " - Card has ROM" : "");
793 }
794 
795 /*
796  *	CIS_FUNC_EXT: Dump functional extension tuple.
797  *		(Serial port/modem)
798  */
799 static void
800 dump_serial_ext(u_char *p, int len)
801 {
802 	static const char *type[] = {
803 		"", "Modem", "Data", "Fax", "Voice", "Data modem",
804 		"Fax/modem", "Voice", " (Data)", " (Fax)", " (Voice)"
805 	};
806 
807 	if (len < 1)
808 		return;
809 	switch (p[0]) {
810 	case 0:			/* Serial */
811 	case 8:			/* Data */
812 	case 9:			/* Fax */
813 	case 10:		/* Voice */
814 		printf("\tSerial interface extension:%s\n", type[*p]);
815 		if (len < 4)
816 			goto err;
817 		switch (p[1] & 0x1F) {
818 		default:
819 			printf("\t\tUnknown device");
820 			break;
821 		case 0:
822 			printf("\t\t8250 UART");
823 			break;
824 		case 1:
825 			printf("\t\t16450 UART");
826 			break;
827 		case 2:
828 			printf("\t\t16550 UART");
829 			break;
830 		}
831 		printf(", Parity - %s%s%s%s\n",
832 		       (p[2] & 1) ? "Space," : "",
833 		       (p[2] & 2) ? "Mark," : "",
834 		       (p[2] & 4) ? "Odd," : "",
835 		       (p[2] & 8) ? "Even" : "");
836 		printf("\t\tData bit - %s%s%s%s Stop bit - %s%s%s\n",
837 		       (p[3] & 1) ? "5bit," : "",
838 		       (p[3] & 2) ? "6bit," : "",
839 		       (p[3] & 4) ? "7bit," : "",
840 		       (p[3] & 8) ? "8bit," : "",
841 		       (p[3] & 0x10) ? "1bit," : "",
842 		       (p[3] & 0x20) ? "1.5bit," : "",
843 		       (p[3] & 0x40) ? "2bit" : "");
844 		break;
845 	case 1:			/* Serial */
846 	case 5:			/* Data */
847 	case 6:			/* Fax */
848 	case 7:			/* Voice */
849 		printf("\t%s interface capabilities:\n", type[*p]);
850 		if (len < 9)
851 			goto err;
852 		break;
853 	case 2:			/* Data */
854 		printf("\tData modem services available:\n");
855 		break;
856 	case 0x13:		/* Fax1 */
857 	case 0x23:		/* Fax2 */
858 	case 0x33:		/* Fax3 */
859 		printf("\tFax%d/modem services available:\n", *p >> 4);
860 		break;
861 	case 0x84:		/* Voice */
862 		printf("\tVoice services available:\n");
863 		break;
864 	err:	/* warning */
865 		printf("\tWrong length for serial extension tuple\n");
866 		return;
867 	}
868 }
869 
870 /*
871  *	CIS_FUNC_EXT: Dump functional extension tuple.
872  *		(Fixed disk card)
873  */
874 static void
875 dump_disk_ext(u_char *p, int len)
876 {
877 	if (len < 1)
878 		return;
879 	switch (p[0]) {
880 	case 1:			/* IDE interface */
881 		if (len < 2)
882 			goto err;
883 		printf("\tDisk interface: %s\n",
884 		       (p[1] & 1) ? "IDE" : "Undefined");
885 		break;
886 	case 2:			/* Master */
887 	case 3:			/* Slave */
888 		if (len < 3)
889 			goto err;
890 		printf("\tDisk features: %s, %s%s\n",
891 		       (p[1] & 0x04) ? "Silicon" : "Rotating",
892 		       (p[1] & 0x08) ? "Unique, " : "",
893 		       (p[1] & 0x10) ? "Dual" : "Single");
894 		if (p[2] & 0x7f)
895 			printf("\t\t%s%s%s%s%s%s%s\n",
896 			       (p[2] & 0x01) ? "Sleep, " : "",
897 			       (p[2] & 0x02) ? "Standby, " : "",
898 			       (p[2] & 0x04) ? "Idle, " : "",
899 			       (p[2] & 0x08) ? "Low power, " : "",
900 			       (p[2] & 0x10) ? "Reg inhibit, " : "",
901 			       (p[2] & 0x20) ? "Index, " : "",
902 			       (p[2] & 0x40) ? "Iois16" : "");
903 		break;
904 	err:	/* warning */
905 		printf("\tWrong length for fixed disk extension tuple\n");
906 		return;
907 	}
908 }
909 
910 static void
911 print_speed(u_int i)
912 {
913 	if (i < 1000)
914 		printf("%u bits/sec", i);
915 	else if (i < 1000000)
916 		printf("%u kb/sec", i / 1000);
917 	else
918 		printf("%u Mb/sec", i / 1000000);
919 }
920 
921 /*
922  *	CIS_FUNC_EXT: Dump functional extension tuple.
923  *		(Network/LAN adapter)
924  */
925 static void
926 dump_network_ext(u_char *p, int len)
927 {
928 	static const char *tech[] = {
929 		"Undefined", "ARCnet", "Ethernet", "Token ring",
930 		"Localtalk", "FDDI/CDDI", "ATM", "Wireless"
931 	};
932 	static const char *media[] = {
933 		"Undefined", "UTP", "STP", "Thin coax",
934 		"THICK coax", "Fiber", "900 MHz", "2.4 GHz",
935 		"5.4 GHz", "Diffuse Infrared", "Point to point Infrared"
936 	};
937 	u_int i = 0;
938 
939 	if (len < 1)
940 		return;
941 	switch (p[0]) {
942 	case 1:			/* Network technology */
943 		if (len < 2)
944 			goto err;
945 		printf("\tNetwork technology: %s\n", tech[p[1] & 7]);
946 		break;
947 	case 2:			/* Network speed */
948 		if (len < 5)
949 			goto err;
950 		printf("\tNetwork speed: ");
951 		print_speed(tpl32(p + 1));
952 		putchar('\n');
953 		break;
954 	case 3:			/* Network media */
955 		if (len < 2)
956 			goto err;
957 		if (p[1] <= 10)
958 			i = p[1];
959 		printf("\tNetwork media: %s\n", media[i]);
960 		break;
961 	case 4:			/* Node ID */
962 		if (len <= 2 || len < p[1] + 2)
963 			goto err;
964 		printf("\tNetwork node ID:");
965 		for (i = 0; i < p[1]; i++)
966 			printf(" %02x", p[i + 2]);
967 		putchar('\n');
968 		break;
969 	case 5:			/* Connector type */
970 		if (len < 2)
971 			goto err;
972 		printf("\tNetwork connector: %s connector standard\n",
973 		       (p[1] == 0) ? "open" : "closed");
974 		break;
975 	err:	/* warning */
976 		printf("\tWrong length for network extension tuple\n");
977 		return;
978 	}
979 }
980 
981 /*
982  *	CIS_LONGLINK_MFC: Long link to next chain for Multi function card
983  */
984 static void
985 dump_longlink_mfc(u_char *p, int len)
986 {
987 	u_int i, n = *p++;
988 
989 	--len;
990 	for (i = 0; i < n; i++) {
991 		if (len < 5) {
992 			printf("\tWrong length for long link MFC tuple\n");
993 			return;
994 		}
995 		printf("\tFunction %d: %s memory, address 0x%x\n",
996 		       i, (*p ? "common" : "attribute"), tpl32(p + 1));
997 		p += 5;
998 		len -= 5;
999 	}
1000 }
1001 
1002 /*
1003  *	CIS_DEVICEGEO, CIS_DEVICEGEO_A:
1004  *		Geometry info for common/attribute memory
1005  */
1006 static void
1007 dump_device_geo(u_char *p, int len)
1008 {
1009 	while (len >= 6) {
1010 		printf("\twidth = %d, erase = 0x%x, read = 0x%x, write = 0x%x\n"
1011 		       "\t\tpartition = 0x%x, interleave = 0x%x\n",
1012 		       p[0], 1 << (p[1] - 1),
1013 		       1 << (p[2] - 1), 1 << (p[3] - 1),
1014 		       1 << (p[4] - 1), 1 << (p[5] - 1));
1015 		len -= 6;
1016 	}
1017 }
1018 
1019 /*
1020  *	CIS_INFO_V2: Print version-2 info
1021  */
1022 static void
1023 dump_info_v2(u_char *p, int len)
1024 {
1025 	if (len < 9) {
1026 		printf("\tWrong length for version-2 info tuple\n");
1027 		return;
1028 	}
1029 	printf("\tVersion = 0x%x, compliance = 0x%x, dindex = 0x%x\n",
1030 	       p[0], p[1], tpl16(p + 2));
1031 	printf("\tVspec8 = 0x%x, vspec9 = 0x%x, nhdr = %d\n",
1032 	       p[6], p[7], p[8]);
1033 	p += 9;
1034 	len -= 9;
1035 	if (len <= 1 || *p == 0xff)
1036 		return;
1037 	printf("\tVendor = [%.*s]", len, p);
1038 	while (*p++ && --len > 0);
1039 	if (len > 1 && *p != 0xff)
1040 		printf(", info = [%.*s]", len, p);
1041 	putchar('\n');
1042 }
1043 
1044 /*
1045  *	CIS_ORG: Organization
1046  */
1047 static void
1048 dump_org(u_char *p, int len)
1049 {
1050 	if (len < 1) {
1051 		printf("\tWrong length for organization tuple\n");
1052 		return;
1053 	}
1054 	switch (*p) {
1055 	case 0:
1056 		printf("\tFilesystem");
1057 		break;
1058 	case 1:
1059 		printf("\tApp specific");
1060 		break;
1061 	case 2:
1062 		printf("\tCode");
1063 		break;
1064 	default:
1065 		if (*p < 0x80)
1066 			printf("\tReserved");
1067 		else
1068 			printf("\tVendor specific");
1069 		break;
1070 	}
1071 	printf(" [%.*s]\n", len - 1, p + 1);
1072 }
1073 
1074 static void
1075 print_size(u_int i)
1076 {
1077 	if (i < 1024)
1078 		printf("%ubits", i);
1079 	else if (i < 1024*1024)
1080 		printf("%ukb", i / 1024);
1081 	else
1082 		printf("%uMb", i / (1024*1024));
1083 }
1084 
1085 /*
1086  *	CIS_BAR: Base address register for CardBus
1087  */
1088 static void
1089 dump_bar(u_char *p, int len)
1090 {
1091 	if (len < 6) {
1092 		printf("\tWrong length for BAR tuple\n");
1093 		return;
1094 	}
1095 	printf("\tBAR %d: size = ", *p & 7);
1096 	print_size(tpl32(p + 2));
1097 	printf(", %s%s%s%s\n",
1098 	       (*p & 0x10) ? "I/O" : "Memory",
1099 	       (*p & 0x20) ? ", Prefetch" : "",
1100 	       (*p & 0x40) ? ", Cacheable" : "",
1101 	       (*p & 0x80) ? ", <1Mb" : "");
1102 }
1103