xref: /freebsd/usr.sbin/usbconfig/dump.c (revision 7431dfd4580e850375fe5478d92ec770344db098)
1 /* $FreeBSD$ */
2 /*-
3  * Copyright (c) 2008 Hans Petter Selasky. All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24  * SUCH DAMAGE.
25  */
26 
27 #include <stdio.h>
28 #include <stdlib.h>
29 #include <stdint.h>
30 #include <err.h>
31 #include <string.h>
32 #include <pwd.h>
33 #include <grp.h>
34 #include <ctype.h>
35 
36 #include <libusb20.h>
37 #include <libusb20_desc.h>
38 
39 #include "dump.h"
40 
41 #define	DUMP0(n,type,field,...) dump_field(pdev, "  ", #field, n->field);
42 #define	DUMP1(n,type,field,...) dump_field(pdev, "    ", #field, n->field);
43 #define	DUMP2(n,type,field,...) dump_field(pdev, "      ", #field, n->field);
44 #define	DUMP3(n,type,field,...) dump_field(pdev, "        ", #field, n->field);
45 
46 const char *
47 dump_mode(uint8_t value)
48 {
49 	if (value == LIBUSB20_MODE_HOST)
50 		return ("HOST");
51 	return ("DEVICE");
52 }
53 
54 const char *
55 dump_speed(uint8_t value)
56 {
57 	;				/* style fix */
58 	switch (value) {
59 	case LIBUSB20_SPEED_LOW:
60 		return ("LOW (1.5Mbps)");
61 	case LIBUSB20_SPEED_FULL:
62 		return ("FULL (12Mbps)");
63 	case LIBUSB20_SPEED_HIGH:
64 		return ("HIGH (480Mbps)");
65 	case LIBUSB20_SPEED_VARIABLE:
66 		return ("VARIABLE (52-480Mbps)");
67 	case LIBUSB20_SPEED_SUPER:
68 		return ("SUPER (5.0Gbps)");
69 	default:
70 		break;
71 	}
72 	return ("UNKNOWN ()");
73 }
74 
75 const char *
76 dump_power_mode(uint8_t value)
77 {
78 	;				/* style fix */
79 	switch (value) {
80 	case LIBUSB20_POWER_OFF:
81 		return ("OFF");
82 	case LIBUSB20_POWER_ON:
83 		return ("ON");
84 	case LIBUSB20_POWER_SAVE:
85 		return ("SAVE");
86 	case LIBUSB20_POWER_SUSPEND:
87 		return ("SUSPEND");
88 	case LIBUSB20_POWER_RESUME:
89 		return ("RESUME");
90 	default:
91 		return ("UNKNOWN");
92 	}
93 }
94 
95 static void
96 dump_field(struct libusb20_device *pdev, const char *plevel,
97     const char *field, uint32_t value)
98 {
99 	uint8_t temp_string[256];
100 
101 	printf("%s%s = 0x%04x ", plevel, field, value);
102 
103 	if (strlen(plevel) == 8) {
104 		/* Endpoint Descriptor */
105 
106 		if (strcmp(field, "bEndpointAddress") == 0) {
107 			if (value & 0x80)
108 				printf(" <IN>\n");
109 			else
110 				printf(" <OUT>\n");
111 			return;
112 		}
113 
114 		if (strcmp(field, "bmAttributes") == 0) {
115 			switch (value & 0x03) {
116 			case 0:
117 				printf(" <CONTROL>\n");
118 				break;
119 			case 1:
120 				switch (value & 0x0C) {
121 				case 0x00:
122 					printf(" <ISOCHRONOUS>\n");
123 					break;
124 				case 0x04:
125 					printf(" <ASYNC-ISOCHRONOUS>\n");
126 					break;
127 				case 0x08:
128 					printf(" <ADAPT-ISOCHRONOUS>\n");
129 					break;
130 				default:
131 					printf(" <SYNC-ISOCHRONOUS>\n");
132 					break;
133 				}
134 				break;
135 			case 2:
136 				printf(" <BULK>\n");
137 				break;
138 			default:
139 				printf(" <INTERRUPT>\n");
140 				break;
141 			}
142 			return;
143 		}
144 	}
145 
146 	if ((field[0] == 'i') && (field[1] != 'd')) {
147 		/* Indirect String Descriptor */
148 		if (value == 0) {
149 			printf(" <no string>\n");
150 			return;
151 		}
152 		if (libusb20_dev_req_string_simple_sync(pdev, value,
153 		    temp_string, sizeof(temp_string))) {
154 			printf(" <retrieving string failed>\n");
155 			return;
156 		}
157 		printf(" <%s>\n", temp_string);
158 		return;
159 	}
160 
161 	/* No additional information */
162 	printf("\n");
163 }
164 
165 static void
166 dump_extra(struct libusb20_me_struct *str, const char *plevel)
167 {
168 	const uint8_t *ptr;
169 	uint8_t x;
170 
171 	ptr = NULL;
172 
173 	while ((ptr = libusb20_desc_foreach(str, ptr))) {
174 		printf("\n" "%sAdditional Descriptor\n\n", plevel);
175 		printf("%sbLength = 0x%02x\n", plevel, ptr[0]);
176 		printf("%sbDescriptorType = 0x%02x\n", plevel, ptr[1]);
177 		if (ptr[0] > 1)
178 			printf("%sbDescriptorSubType = 0x%02x\n",
179 			    plevel, ptr[2]);
180 		printf("%s RAW dump: ", plevel);
181 		for (x = 0; x != ptr[0]; x++) {
182 			if ((x % 8) == 0) {
183 				printf("\n%s 0x%02x | ", plevel, x);
184 			}
185 			printf("0x%02x%s", ptr[x],
186 			    (x != (ptr[0] - 1)) ? ", " : (x % 8) ? "\n" : "");
187 		}
188 		printf("\n");
189 	}
190 	return;
191 }
192 
193 static void
194 dump_endpoint(struct libusb20_device *pdev,
195     struct libusb20_endpoint *ep)
196 {
197 	struct LIBUSB20_ENDPOINT_DESC_DECODED *edesc;
198 
199 	edesc = &ep->desc;
200 	LIBUSB20_ENDPOINT_DESC(DUMP3, edesc);
201 	dump_extra(&ep->extra, "  " "  " "  ");
202 	return;
203 }
204 
205 static void
206 dump_iface(struct libusb20_device *pdev,
207     struct libusb20_interface *iface)
208 {
209 	struct LIBUSB20_INTERFACE_DESC_DECODED *idesc;
210 	uint8_t z;
211 
212 	idesc = &iface->desc;
213 	LIBUSB20_INTERFACE_DESC(DUMP2, idesc);
214 	dump_extra(&iface->extra, "  " "  " "  ");
215 
216 	for (z = 0; z != iface->num_endpoints; z++) {
217 		printf("\n     Endpoint %u\n", z);
218 		dump_endpoint(pdev, iface->endpoints + z);
219 	}
220 	return;
221 }
222 
223 void
224 dump_device_info(struct libusb20_device *pdev, uint8_t show_ifdrv)
225 {
226 	char buf[128];
227 	uint8_t n;
228 	unsigned int usage;
229 
230 	usage = libusb20_dev_get_power_usage(pdev);
231 
232 	printf("%s, cfg=%u md=%s spd=%s pwr=%s (%umA)\n",
233 	    libusb20_dev_get_desc(pdev),
234 	    libusb20_dev_get_config_index(pdev),
235 	    dump_mode(libusb20_dev_get_mode(pdev)),
236 	    dump_speed(libusb20_dev_get_speed(pdev)),
237 	    dump_power_mode(libusb20_dev_get_power_mode(pdev)),
238 	    usage);
239 
240 	if (!show_ifdrv)
241 		return;
242 
243 	for (n = 0; n != 255; n++) {
244 		if (libusb20_dev_get_iface_desc(pdev, n, buf, sizeof(buf)))
245 			break;
246 		if (buf[0] == 0)
247 			continue;
248 		printf("ugen%u.%u.%u: %s\n",
249 		    libusb20_dev_get_bus_number(pdev),
250 		    libusb20_dev_get_address(pdev), n, buf);
251 	}
252 }
253 
254 void
255 dump_be_quirk_names(struct libusb20_backend *pbe)
256 {
257 	struct libusb20_quirk q;
258 	uint16_t x;
259 	int error;
260 
261 	memset(&q, 0, sizeof(q));
262 
263 	printf("\nDumping list of supported quirks:\n\n");
264 
265 	for (x = 0; x != 0xFFFF; x++) {
266 
267 		error = libusb20_be_get_quirk_name(pbe, x, &q);
268 		if (error) {
269 			if (x == 0) {
270 				printf("No quirk names - maybe the USB quirk "
271 				    "module has not been loaded.\n");
272 			}
273 			break;
274 		}
275 		if (strcmp(q.quirkname, "UQ_NONE"))
276 			printf("%s\n", q.quirkname);
277 	}
278 	printf("\n");
279 	return;
280 }
281 
282 void
283 dump_be_dev_quirks(struct libusb20_backend *pbe)
284 {
285 	struct libusb20_quirk q;
286 	uint16_t x;
287 	int error;
288 
289 	memset(&q, 0, sizeof(q));
290 
291 	printf("\nDumping current device quirks:\n\n");
292 
293 	for (x = 0; x != 0xFFFF; x++) {
294 
295 		error = libusb20_be_get_dev_quirk(pbe, x, &q);
296 		if (error) {
297 			if (x == 0) {
298 				printf("No device quirks - maybe the USB quirk "
299 				    "module has not been loaded.\n");
300 			}
301 			break;
302 		}
303 		if (strcmp(q.quirkname, "UQ_NONE")) {
304 			printf("VID=0x%04x PID=0x%04x REVLO=0x%04x "
305 			    "REVHI=0x%04x QUIRK=%s\n",
306 			    q.vid, q.pid, q.bcdDeviceLow,
307 			    q.bcdDeviceHigh, q.quirkname);
308 		}
309 	}
310 	printf("\n");
311 	return;
312 }
313 
314 void
315 dump_device_desc(struct libusb20_device *pdev)
316 {
317 	struct LIBUSB20_DEVICE_DESC_DECODED *ddesc;
318 
319 	ddesc = libusb20_dev_get_device_desc(pdev);
320 	LIBUSB20_DEVICE_DESC(DUMP0, ddesc);
321 	return;
322 }
323 
324 void
325 dump_config(struct libusb20_device *pdev, uint8_t all_cfg)
326 {
327 	struct LIBUSB20_CONFIG_DESC_DECODED *cdesc;
328 	struct LIBUSB20_DEVICE_DESC_DECODED *ddesc;
329 	struct libusb20_config *pcfg = NULL;
330 	uint8_t cfg_index;
331 	uint8_t cfg_index_end;
332 	uint8_t x;
333 	uint8_t y;
334 
335 	ddesc = libusb20_dev_get_device_desc(pdev);
336 
337 	if (all_cfg) {
338 		cfg_index = 0;
339 		cfg_index_end = ddesc->bNumConfigurations;
340 	} else {
341 		cfg_index = libusb20_dev_get_config_index(pdev);
342 		cfg_index_end = cfg_index + 1;
343 	}
344 
345 	for (; cfg_index != cfg_index_end; cfg_index++) {
346 
347 		pcfg = libusb20_dev_alloc_config(pdev, cfg_index);
348 		if (!pcfg) {
349 			continue;
350 		}
351 		printf("\n Configuration index %u\n\n", cfg_index);
352 		cdesc = &(pcfg->desc);
353 		LIBUSB20_CONFIG_DESC(DUMP1, cdesc);
354 		dump_extra(&(pcfg->extra), "  " "  ");
355 
356 		for (x = 0; x != pcfg->num_interface; x++) {
357 			printf("\n    Interface %u\n", x);
358 			dump_iface(pdev, pcfg->interface + x);
359 			printf("\n");
360 			for (y = 0; y != (pcfg->interface + x)->num_altsetting; y++) {
361 				printf("\n    Interface %u Alt %u\n", x, y + 1);
362 				dump_iface(pdev,
363 				    (pcfg->interface + x)->altsetting + y);
364 				printf("\n");
365 			}
366 		}
367 		printf("\n");
368 		free(pcfg);
369 	}
370 	return;
371 }
372 
373 void
374 dump_string_by_index(struct libusb20_device *pdev, uint8_t str_index)
375 {
376 	char *pbuf;
377 	uint8_t n;
378 	uint8_t len;
379 
380 	pbuf = malloc(256);
381 	if (pbuf == NULL)
382 		err(1, "out of memory");
383 
384 	if (str_index == 0) {
385 		/* language table */
386 		if (libusb20_dev_req_string_sync(pdev,
387 		    str_index, 0, pbuf, 256)) {
388 			printf("STRING_0x%02x = <read error>\n", str_index);
389 		} else {
390 			printf("STRING_0x%02x = ", str_index);
391 			len = (uint8_t)pbuf[0];
392 			for (n = 0; n != len; n++) {
393 				printf("0x%02x%s", (uint8_t)pbuf[n],
394 				    (n != (len-1)) ? ", " : "");
395 			}
396 			printf("\n");
397 		}
398 	} else {
399 		/* ordinary string */
400 		if (libusb20_dev_req_string_simple_sync(pdev,
401 		    str_index, pbuf, 256)) {
402 			printf("STRING_0x%02x = <read error>\n", str_index);
403 		} else {
404 			printf("STRING_0x%02x = <%s>\n", str_index, pbuf);
405 		}
406 	}
407 	free(pbuf);
408 }
409