xref: /freebsd/usr.sbin/dumpcis/printcis.c (revision faf25f48d601ae39f5752602f3020e2e92605625)
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 __FBSDID("$FreeBSD$");
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 	unsigned int rlen, mlen = 0, i;
185 
186 	rlen = (p[0] & 3) + 1;
187 	if (tp->code == CIS_CONF_MAP)
188 		mlen = ((p[0] >> 2) & 3) + 1;
189 	if (tp->length < rlen + mlen + 2) {
190 		printf("\tWrong length for configuration map tuple\n");
191 		return;
192 	}
193 	printf("\tReg len = %d, config register addr = 0x%x, last config = 0x%x\n",
194 	       rlen, parse_num(rlen | 0x10, p + 2, &p, 0), p[1]);
195 	if (mlen) {
196 		printf("\tRegisters: ");
197 		for (i = 0; i < mlen; i++, p++) {
198 			for (x = 0x1; x; x <<= 1)
199 				printf("%c", x & *p ? 'X' : '-');
200 			putchar(' ');
201 		}
202 	}
203 	i = tp->length - (rlen + mlen + 2);
204 	if (i) {
205 		if (!mlen)
206 			putchar('\t');
207 		printf("%d bytes in subtuples", i);
208 	}
209 	if (mlen || i)
210 		putchar('\n');
211 }
212 
213 /*
214  *	Dump power descriptor.
215  *	call from dump_cis_config()
216  */
217 static int
218 print_pwr_desc(u_char *p)
219 {
220 	int     len = 1, i;
221 	u_char mask;
222 	const char  **expp;
223 	static const char *pname[] =
224 	{"Nominal operating supply voltage",
225 	 "Minimum operating supply voltage",
226 	 "Maximum operating supply voltage",
227 	 "Continuous supply current",
228 	 "Max current average over 1 second",
229 	 "Max current average over 10 ms",
230 	 "Power down supply current",
231 	 "Reserved"
232 	};
233 	static const char *vexp[] =
234 	{"10uV", "100uV", "1mV", "10mV", "100mV", "1V", "10V", "100V"};
235 	static const char *cexp[] =
236 	{"10nA", "1uA", "10uA", "100uA", "1mA", "10mA", "100mA", "1A"};
237 	static const char *mant[] =
238 	{"1", "1.2", "1.3", "1.5", "2", "2.5", "3", "3.5", "4", "4.5",
239 	"5", "5.5", "6", "7", "8", "9"};
240 
241 	mask = *p++;
242 	expp = vexp;
243 	for (i = 0; i < 8; i++)
244 		if (mask & (1 << i)) {
245 			len++;
246 			if (i >= 3)
247 				expp = cexp;
248 			printf("\t\t%s: ", pname[i]);
249 			printf("%s x %s",
250 			    mant[(*p >> 3) & 0xF],
251 			    expp[*p & 7]);
252 			while (*p & 0x80) {
253 				len++;
254 				p++;
255 				printf(", ext = 0x%x", *p);
256 			}
257 			printf("\n");
258 			p++;
259 		}
260 	return (len);
261 }
262 
263 /*
264  *	print_ext_speed - Print extended speed.
265  *	call from dump_cis_config(), dump_device_desc()
266  */
267 static void
268 print_ext_speed(u_char x, int scale)
269 {
270 	static const char *mant[] =
271 	{"Reserved", "1.0", "1.2", "1.3", "1.5", "2.0", "2.5", "3.0",
272 	"3.5", "4.0", "4.5", "5.0", "5.5", "6.0", "7.0", "8.0"};
273 	static const char *exp[] =
274 	{"1 ns", "10 ns", "100 ns", "1 us", "10 us", "100 us",
275 	"1 ms", "10 ms"};
276 	static const char *scale_name[] =
277 	{"None", "10", "100", "1,000", "10,000", "100,000",
278 	"1,000,000", "10,000,000"};
279 
280 	printf("Speed = %s x %s", mant[(x >> 3) & 0xF], exp[x & 7]);
281 	if (scale)
282 		printf(", scaled by %s", scale_name[scale & 7]);
283 }
284 
285 /*
286  *	Print variable length value.
287  *	call from print_io_map(), print_mem_map()
288  */
289 static int
290 print_num(int sz, const char *fmt, u_char *p, int ofs)
291 {
292 	switch (sz) {
293 	case 0:
294 	case 0x10:
295 		return 0;
296 	case 1:
297 	case 0x11:
298 		printf(fmt, *p + ofs);
299 		return 1;
300 	case 2:
301 	case 0x12:
302 		printf(fmt, tpl16(p) + ofs);
303 		return 2;
304 	case 0x13:
305 		printf(fmt, tpl24(p) + ofs);
306 		return 3;
307 	case 3:
308 	case 0x14:
309 		printf(fmt, tpl32(p) + ofs);
310 		return 4;
311 	}
312 	errx(1, "print_num(0x%x): Illegal arguments", sz);
313 /*NOTREACHED*/
314 }
315 
316 /*
317  *	Print I/O mapping sub-tuple.
318  *	call from dump_cis_config()
319  */
320 static u_char *
321 print_io_map(u_char *p, u_char *q)
322 {
323 	int i, j;
324 	u_char c;
325 
326 	if (q <= p)
327 		goto err;
328 	if (CIS_IO_ADDR(*p))	/* I/O address line */
329 		printf("\tCard decodes %d address lines",
330 			CIS_IO_ADDR(*p));
331 	else
332 		printf("\tCard provides address decode");
333 
334 	/* 8/16 bit I/O */
335 	switch (*p & (CIS_IO_8BIT | CIS_IO_16BIT)) {
336 	case CIS_IO_8BIT:
337 		printf(", 8 Bit I/O only");
338 		break;
339 	case CIS_IO_16BIT:
340 		printf(", limited 8/16 Bit I/O");
341 		break;
342 	case (CIS_IO_8BIT | CIS_IO_16BIT):
343 		printf(", full 8/16 Bit I/O");
344 		break;
345 	}
346 	putchar('\n');
347 
348 	/* I/O block sub-tuple exist */
349 	if (*p++ & CIS_IO_RANGE) {
350 		if (q <= p)
351 			goto err;
352 		c = *p++;
353 		/* calculate byte length */
354 		j = CIS_IO_ADSZ(c) + CIS_IO_BLKSZ(c);
355 		if (CIS_IO_ADSZ(c) == 3)
356 			j++;
357 		if (CIS_IO_BLKSZ(c) == 3)
358 			j++;
359 		/* number of I/O block sub-tuples */
360 		for (i = 0; i <= CIS_IO_BLKS(c); i++) {
361 			if (q - p < j)
362 				goto err;
363 			printf("\t\tI/O address # %d: ", i + 1);
364 			/* start block address */
365 			p += print_num(CIS_IO_ADSZ(c),
366 				       "block start = 0x%x", p, 0);
367 			/* block size */
368 			p += print_num(CIS_IO_BLKSZ(c),
369 				       " block length = 0x%x", p, 1);
370 			putchar('\n');
371 		}
372 	}
373 	return p;
374 
375  err:	/* warning */
376 	printf("\tWrong length for I/O mapping sub-tuple\n");
377 	return p;
378 }
379 
380 /*
381  *	Print IRQ sub-tuple.
382  *	call from dump_cis_config()
383  */
384 static u_char *
385 print_irq_map(u_char *p, u_char *q)
386 {
387 	int i, j;
388 	u_char c;
389 
390 	if (q <= p)
391 		goto err;
392 	printf("\t\tIRQ modes:");
393 	c = ' ';
394 	if (*p & CIS_IRQ_LEVEL) { /* Level triggered interrupts */
395 		printf(" Level");
396 		c = ',';
397 	}
398 	if (*p & CIS_IRQ_PULSE) { /* Pulse triggered requests */
399 		printf("%c Pulse", c);
400 		c = ',';
401 	}
402 	if (*p & CIS_IRQ_SHARING) /* Interrupt sharing */
403 		printf("%c Shared", c);
404 	putchar('\n');
405 
406 	/* IRQ mask values exist */
407 	if (*p & CIS_IRQ_MASK) {
408 		if (q - p < 3)
409 			goto err;
410 		i = tpl16(p + 1); /* IRQ mask */
411 		printf("\t\tIRQs: ");
412 		if (*p & 1)
413 			printf(" NMI");
414 		if (*p & 0x2)
415 			printf(" IOCK");
416 		if (*p & 0x4)
417 			printf(" BERR");
418 		if (*p & 0x8)
419 			printf(" VEND");
420 		for (j = 0; j < 16; j++)
421 			if (i & (1 << j))
422 				printf(" %d", j);
423 		putchar('\n');
424 		p += 3;
425 	} else {
426 		printf("\t\tIRQ level = %d\n", CIS_IRQ_IRQN(*p));
427 		p++;
428 	}
429 	return p;
430 
431  err:	/* warning */
432 	printf("\tWrong length for IRQ sub-tuple\n");
433 	return p;
434 }
435 
436 /*
437  *	Print memory map sub-tuple.
438  *	call from dump_cis_config()
439  */
440 static u_char *
441 print_mem_map(u_char feat, u_char *p, u_char *q)
442 {
443 	int i, j;
444 	u_char c;
445 
446 	switch (CIS_FEAT_MEMORY(feat)) {
447 
448 	case CIS_FEAT_MEM_NONE:	/* No memory block */
449 		break;
450 	case CIS_FEAT_MEM_LEN:	/* Specify memory length */
451 		if (q - p < 2)
452 			goto err;
453 		printf("\tMemory space length = 0x%x\n", tpl16(p));
454 		p += 2;
455 		break;
456 	case CIS_FEAT_MEM_ADDR:	/* Memory address and length */
457 		if (q - p < 4)
458 			goto err;
459 		printf("\tMemory space address = 0x%x, length = 0x%x\n",
460 		       tpl16(p + 2), tpl16(p));
461 		p += 4;
462 		break;
463 	case CIS_FEAT_MEM_WIN:	/* Memory descriptors. */
464 		if (q <= p)
465 			goto err;
466 		c = *p++;
467 		/* calculate byte length */
468 		j = CIS_MEM_LENSZ(c) + CIS_MEM_ADDRSZ(c);
469 		if (c & CIS_MEM_HOST)
470 			j += CIS_MEM_ADDRSZ(c);
471 		/* number of memory block */
472 		for (i = 0; i < CIS_MEM_WINS(c); i++) {
473 			if (q - p < j)
474 				goto err;
475 			printf("\tMemory descriptor %d\n\t\t", i + 1);
476 			/* memory length */
477 			p += print_num(CIS_MEM_LENSZ(c) | 0x10,
478 				       " blk length = 0x%x00", p, 0);
479 			/* card address */
480 			p += print_num(CIS_MEM_ADDRSZ(c) | 0x10,
481 				       " card addr = 0x%x00", p, 0);
482 			if (c & CIS_MEM_HOST) /* Host address value exist */
483 				p += print_num(CIS_MEM_ADDRSZ(c) | 0x10,
484 					       " host addr = 0x%x00", p, 0);
485 			putchar('\n');
486 		}
487 		break;
488 	}
489 	return p;
490 
491  err:	/* warning */
492 	printf("\tWrong length for memory mapping sub-tuple\n");
493 	return p;
494 }
495 
496 /*
497  *	CIS_CONFIG   : Dump a config entry.
498  *	CIS_CONFIG_CB: Dump a configuration entry for CardBus
499  */
500 static void
501 dump_cis_config(struct tuple *tp)
502 {
503 	u_char *p, *q, feat;
504 	int     i, j;
505 	char    c;
506 
507 	p = tp->data;
508 	q = p + tp->length;
509 	printf("\tConfig index = 0x%x%s\n", *p & 0x3F,
510 	       *p & 0x40 ? "(default)" : "");
511 
512 	/* Interface byte exists */
513 	if (tp->code == CIS_CONFIG && (*p & 0x80)) {
514 		p++;
515 		printf("\tInterface byte = 0x%x ", *p);
516 		switch (*p & 0xF) { /* Interface type */
517 		default:
518 			printf("(reserved)");
519 			break;
520 		case 0:
521 			printf("(memory)");
522 			break;
523 		case 1:
524 			printf("(I/O)");
525 			break;
526 		case 4:
527 		case 5:
528 		case 6:
529 		case 7:
530 		case 8:
531 			printf("(custom)");
532 			break;
533 		}
534 		c = ' ';
535 		if (*p & 0x10) { /* Battery voltage detect */
536 			printf(" BVD1/2 active");
537 			c = ',';
538 		}
539 		if (*p & 0x20) { /* Write protect active */
540 			printf("%c card WP active", c);	/* Write protect */
541 			c = ',';
542 		}
543 		if (*p & 0x40) { /* RdyBsy active bit */
544 			printf("%c +RDY/-BSY active", c);
545 			c = ',';
546 		}
547 		if (*p & 0x80)	/* Wait signal required */
548 			printf("%c wait signal supported", c);
549 		printf("\n");
550 	}
551 
552 	/* features byte */
553 	p++;
554 	feat = *p++;
555 
556 	/* Power structure sub-tuple */
557 	switch (CIS_FEAT_POWER(feat)) {	/* Power sub-tuple(s) exists */
558 	case 0:
559 		break;
560 	case 1:
561 		printf("\tVcc pwr:\n");
562 		p += print_pwr_desc(p);
563 		break;
564 	case 2:
565 		printf("\tVcc pwr:\n");
566 		p += print_pwr_desc(p);
567 		printf("\tVpp pwr:\n");
568 		p += print_pwr_desc(p);
569 		break;
570 	case 3:
571 		printf("\tVcc pwr:\n");
572 		p += print_pwr_desc(p);
573 		printf("\tVpp1 pwr:\n");
574 		p += print_pwr_desc(p);
575 		printf("\tVpp2 pwr:\n");
576 		p += print_pwr_desc(p);
577 		break;
578 	}
579 
580 	/* Timing sub-tuple */
581 	if (tp->code == CIS_CONFIG &&
582 	    (feat & CIS_FEAT_TIMING)) {	/* Timing sub-tuple exists */
583 		i = *p++;
584 		j = CIS_WAIT_SCALE(i);
585 		if (j != 3) {
586 			printf("\tWait scale ");
587 			print_ext_speed(*p++, j);
588 			printf("\n");
589 		}
590 		j = CIS_READY_SCALE(i);
591 		if (j != 7) {
592 			printf("\tRDY/BSY scale ");
593 			print_ext_speed(*p++, j);
594 			printf("\n");
595 		}
596 		j = CIS_RESERVED_SCALE(i);
597 		if (j != 7) {
598 			printf("\tExternal scale ");
599 			print_ext_speed(*p++, j);
600 			printf("\n");
601 		}
602 	}
603 
604 	/* I/O mapping sub-tuple */
605 	if (feat & CIS_FEAT_I_O) { /* I/O space sub-tuple exists */
606 		if (tp->code == CIS_CONFIG)
607 			p = print_io_map(p, q);
608 		else {		/* CIS_CONFIG_CB */
609 			printf("\tI/O base:");
610 			for (i = 0; i < 8; i++)
611 				if (*p & (1 << i))
612 					printf(" %d", i);
613 			putchar('\n');
614 			p++;
615 		}
616 	}
617 
618 	/* IRQ descriptor sub-tuple */
619 	if (feat & CIS_FEAT_IRQ) /* IRQ sub-tuple exists */
620 		p = print_irq_map(p, q);
621 
622 	/* Memory map sub-tuple */
623 	if (CIS_FEAT_MEMORY(feat)) { /* Memory space sub-tuple(s) exists */
624 		if (tp->code == CIS_CONFIG)
625 			p = print_mem_map(feat, p, q);
626 		else {		/* CIS_CONFIG_CB */
627 			printf("\tMemory base:");
628 			for (i = 0; i < 8; i++)
629 				if (*p & (1 << i))
630 					printf(" %d", i);
631 			putchar('\n');
632 			p++;
633 		}
634 	}
635 
636 	/* Misc sub-tuple */
637 	if (feat & CIS_FEAT_MISC) { /* Miscellaneous sub-tuple exists */
638 		if (tp->code == CIS_CONFIG) {
639 			printf("\tMax twin cards = %d\n", *p & 7);
640 			printf("\tMisc attr:%s%s%s",
641 			       (*p & 8) ? " (Audio-BVD2)" : "",
642 			       (*p & 0x10) ? " (Read-only)" : "",
643 			       (*p & 0x20) ? " (Power down supported)" : "");
644 			if (*p++ & 0x80) {
645 				printf(" (Ext byte = 0x%x)", *p);
646 				p++;
647 			}
648 			putchar('\n');
649 		}
650 		else {		/* CIS_CONFIG_CB */
651 			printf("\tMisc attr:");
652 			printf("%s%s%s%s%s%s%s",
653 			       (*p & 1) ? " (Master)" : "",
654 			       (*p & 2) ? " (Invalidate)" : "",
655 			       (*p & 4) ? " (VGA palette)" : "",
656 			       (*p & 8) ? " (Parity)" : "",
657 			       (*p & 0x10) ? " (Wait)" : "",
658 			       (*p & 0x20) ? " (Serr)" : "",
659 			       (*p & 0x40) ? " (Fast back)" : "");
660 			if (*p++ & 0x80) {
661 				printf("%s%s",
662 				       (*p & 1) ? " (Binary audio)" : "",
663 				       (*p & 2) ? " (pwm audio)" : "");
664 				p++;
665 			}
666 			putchar('\n');
667 		}
668 	}
669 }
670 
671 /*
672  *	CIS_DEVICE_OC, CIS_DEVICE_OA:
673  *		Dump other conditions for common/attribute memory
674  */
675 static void
676 dump_other_cond(u_char *p, int len)
677 {
678 	if (p[0] && len > 0) {
679 		printf("\t");
680 		if (p[0] & 1)
681 			printf("(MWAIT)");
682 		if (p[0] & 2)
683 			printf(" (3V card)");
684 		if (p[0] & 0x80)
685 			printf(" (Extension bytes follow)");
686 		printf("\n");
687 	}
688 }
689 
690 /*
691  *	CIS_MEM_COMMON, CIS_MEM_ATTR:
692  *		Common / Attribute memory descripter
693  */
694 static void
695 dump_device_desc(u_char *p, int len, const char *type)
696 {
697 	static const char *un_name[] =
698 	{"512b", "2Kb", "8Kb", "32Kb", "128Kb", "512Kb", "2Mb", "reserved"};
699 	static const char *speed[] =
700 	{"No speed", "250nS", "200nS", "150nS",
701 	"100nS", "Reserved", "Reserved"};
702 	static const char *dev[] =
703 	{"No device", "Mask ROM", "OTPROM", "UV EPROM",
704 	 "EEPROM", "FLASH EEPROM", "SRAM", "DRAM",
705 	 "Reserved", "Reserved", "Reserved", "Reserved",
706 	 "Reserved", "Function specific", "Extended",
707 	"Reserved"};
708 	int     count = 0;
709 
710 	while (*p != 0xFF && len > 0) {
711 		u_char x;
712 
713 		x = *p++;
714 		len -= 2;
715 		if (count++ == 0)
716 			printf("\t%s memory device information:\n", type);
717 		printf("\t\tDevice number %d, type %s, WPS = %s\n",
718 		    count, dev[x >> 4], (x & 0x8) ? "ON" : "OFF");
719 		if ((x & 7) == 7) {
720 			len--;
721 			if (*p) {
722 				printf("\t\t");
723 				print_ext_speed(*p, 0);
724 				while (*p & 0x80) {
725 					p++;
726 					len--;
727 				}
728 			}
729 			p++;
730 		} else
731 			printf("\t\tSpeed = %s", speed[x & 7]);
732 		printf(", Memory block size = %s, %d units\n",
733 		    un_name[*p & 7], (*p >> 3) + 1);
734 		p++;
735 	}
736 }
737 
738 /*
739  *	CIS_INFO_V1: Print version-1 info
740  */
741 static void
742 dump_info_v1(u_char *p, int len)
743 {
744 	if (len < 2) {
745 		printf("\tWrong length for version-1 info tuple\n");
746 		return;
747 	}
748 	printf("\tVersion = %d.%d", p[0], p[1]);
749 	p += 2;
750 	len -= 2;
751 	if (len > 1 && *p != 0xff) {
752 		printf(", Manuf = [%s]", p);
753 		while (*p++ && --len > 0);
754 	}
755 	if (len > 1 && *p != 0xff) {
756 		printf(", card vers = [%s]", p);
757 		while (*p++ && --len > 0);
758 	} else {
759 		printf("\n\tWrong length for version-1 info tuple\n");
760 		return;
761 	}
762 	putchar('\n');
763 	if (len > 1 && *p != 0xff) {
764 		printf("\tAddit. info = [%.*s]", len, p);
765 		while (*p++ && --len > 0);
766 		if (len > 1 && *p != 0xff)
767 			printf(",[%.*s]", len, p);
768 		putchar('\n');
769 	}
770 }
771 
772 /*
773  *	CIS_FUNC_ID: Functional ID
774  */
775 static void
776 dump_func_id(u_char *p)
777 {
778 	static const char *id[] = {
779 		"Multifunction card",
780 		"Memory card",
781 		"Serial port/modem",
782 		"Parallel port",
783 		"Fixed disk card",
784 		"Video adapter",
785 		"Network/LAN adapter",
786 		"AIMS",
787 		"SCSI card",
788 		"Security"
789 	};
790 
791 	printf("\t%s%s%s\n",
792 	       (*p <= 9) ? id[*p] : "Unknown function",
793 	       (p[1] & 1) ? " - POST initialize" : "",
794 	       (p[1] & 2) ? " - Card has ROM" : "");
795 }
796 
797 /*
798  *	CIS_FUNC_EXT: Dump functional extension tuple.
799  *		(Serial port/modem)
800  */
801 static void
802 dump_serial_ext(u_char *p, int len)
803 {
804 	static const char *type[] = {
805 		"", "Modem", "Data", "Fax", "Voice", "Data modem",
806 		"Fax/modem", "Voice", " (Data)", " (Fax)", " (Voice)"
807 	};
808 
809 	if (len < 1)
810 		return;
811 	switch (p[0]) {
812 	case 0:			/* Serial */
813 	case 8:			/* Data */
814 	case 9:			/* Fax */
815 	case 10:		/* Voice */
816 		printf("\tSerial interface extension:%s\n", type[*p]);
817 		if (len < 4)
818 			goto err;
819 		switch (p[1] & 0x1F) {
820 		default:
821 			printf("\t\tUnknown device");
822 			break;
823 		case 0:
824 			printf("\t\t8250 UART");
825 			break;
826 		case 1:
827 			printf("\t\t16450 UART");
828 			break;
829 		case 2:
830 			printf("\t\t16550 UART");
831 			break;
832 		}
833 		printf(", Parity - %s%s%s%s\n",
834 		       (p[2] & 1) ? "Space," : "",
835 		       (p[2] & 2) ? "Mark," : "",
836 		       (p[2] & 4) ? "Odd," : "",
837 		       (p[2] & 8) ? "Even" : "");
838 		printf("\t\tData bit - %s%s%s%s Stop bit - %s%s%s\n",
839 		       (p[3] & 1) ? "5bit," : "",
840 		       (p[3] & 2) ? "6bit," : "",
841 		       (p[3] & 4) ? "7bit," : "",
842 		       (p[3] & 8) ? "8bit," : "",
843 		       (p[3] & 0x10) ? "1bit," : "",
844 		       (p[3] & 0x20) ? "1.5bit," : "",
845 		       (p[3] & 0x40) ? "2bit" : "");
846 		break;
847 	case 1:			/* Serial */
848 	case 5:			/* Data */
849 	case 6:			/* Fax */
850 	case 7:			/* Voice */
851 		printf("\t%s interface capabilities:\n", type[*p]);
852 		if (len < 9)
853 			goto err;
854 		break;
855 	case 2:			/* Data */
856 		printf("\tData modem services available:\n");
857 		break;
858 	case 0x13:		/* Fax1 */
859 	case 0x23:		/* Fax2 */
860 	case 0x33:		/* Fax3 */
861 		printf("\tFax%d/modem services available:\n", *p >> 4);
862 		break;
863 	case 0x84:		/* Voice */
864 		printf("\tVoice services available:\n");
865 		break;
866 	err:	/* warning */
867 		printf("\tWrong length for serial extension tuple\n");
868 		return;
869 	}
870 }
871 
872 /*
873  *	CIS_FUNC_EXT: Dump functional extension tuple.
874  *		(Fixed disk card)
875  */
876 static void
877 dump_disk_ext(u_char *p, int len)
878 {
879 	if (len < 1)
880 		return;
881 	switch (p[0]) {
882 	case 1:			/* IDE interface */
883 		if (len < 2)
884 			goto err;
885 		printf("\tDisk interface: %s\n",
886 		       (p[1] & 1) ? "IDE" : "Undefined");
887 		break;
888 	case 2:			/* Master */
889 	case 3:			/* Slave */
890 		if (len < 3)
891 			goto err;
892 		printf("\tDisk features: %s, %s%s\n",
893 		       (p[1] & 0x04) ? "Silicon" : "Rotating",
894 		       (p[1] & 0x08) ? "Unique, " : "",
895 		       (p[1] & 0x10) ? "Dual" : "Single");
896 		if (p[2] & 0x7f)
897 			printf("\t\t%s%s%s%s%s%s%s\n",
898 			       (p[2] & 0x01) ? "Sleep, " : "",
899 			       (p[2] & 0x02) ? "Standby, " : "",
900 			       (p[2] & 0x04) ? "Idle, " : "",
901 			       (p[2] & 0x08) ? "Low power, " : "",
902 			       (p[2] & 0x10) ? "Reg inhibit, " : "",
903 			       (p[2] & 0x20) ? "Index, " : "",
904 			       (p[2] & 0x40) ? "Iois16" : "");
905 		break;
906 	err:	/* warning */
907 		printf("\tWrong length for fixed disk extension tuple\n");
908 		return;
909 	}
910 }
911 
912 static void
913 print_speed(u_int i)
914 {
915 	if (i < 1000)
916 		printf("%u bits/sec", i);
917 	else if (i < 1000000)
918 		printf("%u kb/sec", i / 1000);
919 	else
920 		printf("%u Mb/sec", i / 1000000);
921 }
922 
923 /*
924  *	CIS_FUNC_EXT: Dump functional extension tuple.
925  *		(Network/LAN adapter)
926  */
927 static void
928 dump_network_ext(u_char *p, int len)
929 {
930 	static const char *tech[] = {
931 		"Undefined", "ARCnet", "Ethernet", "Token ring",
932 		"Localtalk", "FDDI/CDDI", "ATM", "Wireless"
933 	};
934 	static const char *media[] = {
935 		"Undefined", "UTP", "STP", "Thin coax",
936 		"THICK coax", "Fiber", "900 MHz", "2.4 GHz",
937 		"5.4 GHz", "Diffuse Infrared", "Point to point Infrared"
938 	};
939 	u_int i = 0;
940 
941 	if (len < 1)
942 		return;
943 	switch (p[0]) {
944 	case 1:			/* Network technology */
945 		if (len < 2)
946 			goto err;
947 		printf("\tNetwork technology: %s\n", tech[p[1] & 7]);
948 		break;
949 	case 2:			/* Network speed */
950 		if (len < 5)
951 			goto err;
952 		printf("\tNetwork speed: ");
953 		print_speed(tpl32(p + 1));
954 		putchar('\n');
955 		break;
956 	case 3:			/* Network media */
957 		if (len < 2)
958 			goto err;
959 		if (p[1] <= 10)
960 			i = p[1];
961 		printf("\tNetwork media: %s\n", media[i]);
962 		break;
963 	case 4:			/* Node ID */
964 		if (len <= 2 || len < p[1] + 2)
965 			goto err;
966 		printf("\tNetwork node ID:");
967 		for (i = 0; i < p[1]; i++)
968 			printf(" %02x", p[i + 2]);
969 		putchar('\n');
970 		break;
971 	case 5:			/* Connector type */
972 		if (len < 2)
973 			goto err;
974 		printf("\tNetwork connector: %s connector standard\n",
975 		       (p[1] == 0) ? "open" : "closed");
976 		break;
977 	err:	/* warning */
978 		printf("\tWrong length for network extension tuple\n");
979 		return;
980 	}
981 }
982 
983 /*
984  *	CIS_LONGLINK_MFC: Long link to next chain for Multi function card
985  */
986 static void
987 dump_longlink_mfc(u_char *p, int len)
988 {
989 	u_int i, n = *p++;
990 
991 	--len;
992 	for (i = 0; i < n; i++) {
993 		if (len < 5) {
994 			printf("\tWrong length for long link MFC tuple\n");
995 			return;
996 		}
997 		printf("\tFunction %d: %s memory, address 0x%x\n",
998 		       i, (*p ? "common" : "attribute"), tpl32(p + 1));
999 		p += 5;
1000 		len -= 5;
1001 	}
1002 }
1003 
1004 /*
1005  *	CIS_DEVICEGEO, CIS_DEVICEGEO_A:
1006  *		Geometry info for common/attribute memory
1007  */
1008 static void
1009 dump_device_geo(u_char *p, int len)
1010 {
1011 	while (len >= 6) {
1012 		printf("\twidth = %d, erase = 0x%x, read = 0x%x, write = 0x%x\n"
1013 		       "\t\tpartition = 0x%x, interleave = 0x%x\n",
1014 		       p[0], 1 << (p[1] - 1),
1015 		       1 << (p[2] - 1), 1 << (p[3] - 1),
1016 		       1 << (p[4] - 1), 1 << (p[5] - 1));
1017 		len -= 6;
1018 	}
1019 }
1020 
1021 /*
1022  *	CIS_INFO_V2: Print version-2 info
1023  */
1024 static void
1025 dump_info_v2(u_char *p, int len)
1026 {
1027 	if (len < 9) {
1028 		printf("\tWrong length for version-2 info tuple\n");
1029 		return;
1030 	}
1031 	printf("\tVersion = 0x%x, compliance = 0x%x, dindex = 0x%x\n",
1032 	       p[0], p[1], tpl16(p + 2));
1033 	printf("\tVspec8 = 0x%x, vspec9 = 0x%x, nhdr = %d\n",
1034 	       p[6], p[7], p[8]);
1035 	p += 9;
1036 	len -= 9;
1037 	if (len <= 1 || *p == 0xff)
1038 		return;
1039 	printf("\tVendor = [%.*s]", len, p);
1040 	while (*p++ && --len > 0);
1041 	if (len > 1 && *p != 0xff)
1042 		printf(", info = [%.*s]", len, p);
1043 	putchar('\n');
1044 }
1045 
1046 /*
1047  *	CIS_ORG: Organization
1048  */
1049 static void
1050 dump_org(u_char *p, int len)
1051 {
1052 	if (len < 1) {
1053 		printf("\tWrong length for organization tuple\n");
1054 		return;
1055 	}
1056 	switch (*p) {
1057 	case 0:
1058 		printf("\tFilesystem");
1059 		break;
1060 	case 1:
1061 		printf("\tApp specific");
1062 		break;
1063 	case 2:
1064 		printf("\tCode");
1065 		break;
1066 	default:
1067 		if (*p < 0x80)
1068 			printf("\tReserved");
1069 		else
1070 			printf("\tVendor specific");
1071 		break;
1072 	}
1073 	printf(" [%.*s]\n", len - 1, p + 1);
1074 }
1075 
1076 static void
1077 print_size(u_int i)
1078 {
1079 	if (i < 1024)
1080 		printf("%ubits", i);
1081 	else if (i < 1024*1024)
1082 		printf("%ukb", i / 1024);
1083 	else
1084 		printf("%uMb", i / (1024*1024));
1085 }
1086 
1087 /*
1088  *	CIS_BAR: Base address register for CardBus
1089  */
1090 static void
1091 dump_bar(u_char *p, int len)
1092 {
1093 	if (len < 6) {
1094 		printf("\tWrong length for BAR tuple\n");
1095 		return;
1096 	}
1097 	printf("\tBAR %d: size = ", *p & 7);
1098 	print_size(tpl32(p + 2));
1099 	printf(", %s%s%s%s\n",
1100 	       (*p & 0x10) ? "I/O" : "Memory",
1101 	       (*p & 0x20) ? ", Prefetch" : "",
1102 	       (*p & 0x40) ? ", Cacheable" : "",
1103 	       (*p & 0x80) ? ", <1Mb" : "");
1104 }
1105