xref: /freebsd/usr.sbin/usbconfig/dump.c (revision 830940567b49bb0c08dfaed40418999e76616909)
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 (4.8Gbps)");
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 ((field[0] != 'i') || (field[1] == 'd')) {
104 		printf("\n");
105 		return;
106 	}
107 	if (value == 0) {
108 		printf(" <no string>\n");
109 		return;
110 	}
111 	if (libusb20_dev_req_string_simple_sync(pdev, value,
112 	    temp_string, sizeof(temp_string))) {
113 		printf(" <retrieving string failed>\n");
114 		return;
115 	}
116 	printf(" <%s>\n", temp_string);
117 	return;
118 }
119 
120 static void
121 dump_extra(struct libusb20_me_struct *str, const char *plevel)
122 {
123 	const uint8_t *ptr;
124 	uint8_t x;
125 
126 	ptr = NULL;
127 
128 	while ((ptr = libusb20_desc_foreach(str, ptr))) {
129 		printf("\n" "%sAdditional Descriptor\n\n", plevel);
130 		printf("%sbLength = 0x%02x\n", plevel, ptr[0]);
131 		printf("%sbDescriptorType = 0x%02x\n", plevel, ptr[1]);
132 		if (ptr[0] > 1)
133 			printf("%sbDescriptorSubType = 0x%02x\n",
134 			    plevel, ptr[2]);
135 		printf("%s RAW dump: ", plevel);
136 		for (x = 0; x != ptr[0]; x++) {
137 			if ((x % 8) == 0) {
138 				printf("\n%s 0x%02x | ", plevel, x);
139 			}
140 			printf("0x%02x%s", ptr[x],
141 			    (x != (ptr[0] - 1)) ? ", " : (x % 8) ? "\n" : "");
142 		}
143 		printf("\n");
144 	}
145 	return;
146 }
147 
148 static void
149 dump_endpoint(struct libusb20_device *pdev,
150     struct libusb20_endpoint *ep)
151 {
152 	struct LIBUSB20_ENDPOINT_DESC_DECODED *edesc;
153 
154 	edesc = &ep->desc;
155 	LIBUSB20_ENDPOINT_DESC(DUMP3, edesc);
156 	dump_extra(&ep->extra, "  " "  " "  ");
157 	return;
158 }
159 
160 static void
161 dump_iface(struct libusb20_device *pdev,
162     struct libusb20_interface *iface)
163 {
164 	struct LIBUSB20_INTERFACE_DESC_DECODED *idesc;
165 	uint8_t z;
166 
167 	idesc = &iface->desc;
168 	LIBUSB20_INTERFACE_DESC(DUMP2, idesc);
169 	dump_extra(&iface->extra, "  " "  " "  ");
170 
171 	for (z = 0; z != iface->num_endpoints; z++) {
172 		printf("\n     Endpoint %u\n", z);
173 		dump_endpoint(pdev, iface->endpoints + z);
174 	}
175 	return;
176 }
177 
178 void
179 dump_device_info(struct libusb20_device *pdev, uint8_t show_ifdrv)
180 {
181 	char buf[128];
182 	uint8_t n;
183 
184 	printf("%s, cfg=%u md=%s spd=%s pwr=%s\n",
185 	    libusb20_dev_get_desc(pdev),
186 	    libusb20_dev_get_config_index(pdev),
187 	    dump_mode(libusb20_dev_get_mode(pdev)),
188 	    dump_speed(libusb20_dev_get_speed(pdev)),
189 	    dump_power_mode(libusb20_dev_get_power_mode(pdev)));
190 
191 	if (!show_ifdrv)
192 		return;
193 
194 	for (n = 0; n != 255; n++) {
195 		if (libusb20_dev_get_iface_desc(pdev, n, buf, sizeof(buf)))
196 			break;
197 		if (buf[0] == 0)
198 			continue;
199 		printf("ugen%u.%u.%u: %s\n",
200 		    libusb20_dev_get_bus_number(pdev),
201 		    libusb20_dev_get_address(pdev), n, buf);
202 	}
203 }
204 
205 void
206 dump_be_quirk_names(struct libusb20_backend *pbe)
207 {
208 	struct libusb20_quirk q;
209 	uint16_t x;
210 	int error;
211 
212 	memset(&q, 0, sizeof(q));
213 
214 	printf("\nDumping list of supported quirks:\n\n");
215 
216 	for (x = 0; x != 0xFFFF; x++) {
217 
218 		error = libusb20_be_get_quirk_name(pbe, x, &q);
219 		if (error) {
220 			if (x == 0) {
221 				printf("No quirk names - maybe the USB quirk "
222 				    "module has not been loaded.\n");
223 			}
224 			break;
225 		}
226 		if (strcmp(q.quirkname, "UQ_NONE"))
227 			printf("%s\n", q.quirkname);
228 	}
229 	printf("\n");
230 	return;
231 }
232 
233 void
234 dump_be_dev_quirks(struct libusb20_backend *pbe)
235 {
236 	struct libusb20_quirk q;
237 	uint16_t x;
238 	int error;
239 
240 	memset(&q, 0, sizeof(q));
241 
242 	printf("\nDumping current device quirks:\n\n");
243 
244 	for (x = 0; x != 0xFFFF; x++) {
245 
246 		error = libusb20_be_get_dev_quirk(pbe, x, &q);
247 		if (error) {
248 			if (x == 0) {
249 				printf("No device quirks - maybe the USB quirk "
250 				    "module has not been loaded.\n");
251 			}
252 			break;
253 		}
254 		if (strcmp(q.quirkname, "UQ_NONE")) {
255 			printf("VID=0x%04x PID=0x%04x REVLO=0x%04x "
256 			    "REVHI=0x%04x QUIRK=%s\n",
257 			    q.vid, q.pid, q.bcdDeviceLow,
258 			    q.bcdDeviceHigh, q.quirkname);
259 		}
260 	}
261 	printf("\n");
262 	return;
263 }
264 
265 void
266 dump_device_desc(struct libusb20_device *pdev)
267 {
268 	struct LIBUSB20_DEVICE_DESC_DECODED *ddesc;
269 
270 	ddesc = libusb20_dev_get_device_desc(pdev);
271 	LIBUSB20_DEVICE_DESC(DUMP0, ddesc);
272 	return;
273 }
274 
275 void
276 dump_config(struct libusb20_device *pdev, uint8_t all_cfg)
277 {
278 	struct LIBUSB20_CONFIG_DESC_DECODED *cdesc;
279 	struct LIBUSB20_DEVICE_DESC_DECODED *ddesc;
280 	struct libusb20_config *pcfg = NULL;
281 	uint8_t cfg_index;
282 	uint8_t cfg_index_end;
283 	uint8_t x;
284 	uint8_t y;
285 
286 	ddesc = libusb20_dev_get_device_desc(pdev);
287 
288 	if (all_cfg) {
289 		cfg_index = 0;
290 		cfg_index_end = ddesc->bNumConfigurations;
291 	} else {
292 		cfg_index = libusb20_dev_get_config_index(pdev);
293 		cfg_index_end = cfg_index + 1;
294 	}
295 
296 	for (; cfg_index != cfg_index_end; cfg_index++) {
297 
298 		pcfg = libusb20_dev_alloc_config(pdev, cfg_index);
299 		if (!pcfg) {
300 			continue;
301 		}
302 		printf("\n Configuration index %u\n\n", cfg_index);
303 		cdesc = &(pcfg->desc);
304 		LIBUSB20_CONFIG_DESC(DUMP1, cdesc);
305 		dump_extra(&(pcfg->extra), "  " "  ");
306 
307 		for (x = 0; x != pcfg->num_interface; x++) {
308 			printf("\n    Interface %u\n", x);
309 			dump_iface(pdev, pcfg->interface + x);
310 			printf("\n");
311 			for (y = 0; y != (pcfg->interface + x)->num_altsetting; y++) {
312 				printf("\n    Interface %u Alt %u\n", x, y + 1);
313 				dump_iface(pdev,
314 				    (pcfg->interface + x)->altsetting + y);
315 				printf("\n");
316 			}
317 		}
318 		printf("\n");
319 		free(pcfg);
320 	}
321 	return;
322 }
323