1 | /*
|
---|
2 | * Copyright (c) 2010-2011 Vojtech Horky
|
---|
3 | * 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 | *
|
---|
9 | * - Redistributions of source code must retain the above copyright
|
---|
10 | * notice, this list of conditions and the following disclaimer.
|
---|
11 | * - 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 | * - 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 | /** @addtogroup usbinfo
|
---|
30 | * @{
|
---|
31 | */
|
---|
32 | /**
|
---|
33 | * @file
|
---|
34 | * USB querying.
|
---|
35 | */
|
---|
36 |
|
---|
37 | #include <stdio.h>
|
---|
38 | #include <stdlib.h>
|
---|
39 | #include <errno.h>
|
---|
40 | #include <str_error.h>
|
---|
41 | #include <bool.h>
|
---|
42 | #include <getopt.h>
|
---|
43 | #include <devman.h>
|
---|
44 | #include <devmap.h>
|
---|
45 | #include <usb/usbdevice.h>
|
---|
46 | #include <usb/pipes.h>
|
---|
47 | #include "usbinfo.h"
|
---|
48 |
|
---|
49 | static void print_usage(char *app_name)
|
---|
50 | {
|
---|
51 | #define INDENT " "
|
---|
52 | printf(NAME ": query USB devices for descriptors\n\n");
|
---|
53 | printf("Usage: %s [options] device [device [device [ ... ]]]\n",
|
---|
54 | app_name);
|
---|
55 | printf(INDENT "The device is a devman path to the device.\n");
|
---|
56 | printf("\n");
|
---|
57 | #undef INDENT
|
---|
58 | }
|
---|
59 |
|
---|
60 | static bool resolve_hc_handle_and_dev_addr(const char *devpath,
|
---|
61 | devman_handle_t *out_hc_handle, usb_address_t *out_device_address)
|
---|
62 | {
|
---|
63 | int rc;
|
---|
64 |
|
---|
65 | /* Hack for QEMU to save-up on typing ;-). */
|
---|
66 | if (str_cmp(devpath, "qemu") == 0) {
|
---|
67 | devpath = "/hw/pci0/00:01.2/uhci-rh/usb00_a1";
|
---|
68 | }
|
---|
69 |
|
---|
70 | char *path = str_dup(devpath);
|
---|
71 | if (path == NULL) {
|
---|
72 | return ENOMEM;
|
---|
73 | }
|
---|
74 |
|
---|
75 | devman_handle_t hc = 0;
|
---|
76 | bool hc_found = false;
|
---|
77 | usb_address_t addr = 0;
|
---|
78 | bool addr_found = false;
|
---|
79 |
|
---|
80 | /* Remove suffixes and hope that we will encounter device node. */
|
---|
81 | while (str_length(path) > 0) {
|
---|
82 | /* Get device handle first. */
|
---|
83 | devman_handle_t dev_handle;
|
---|
84 | rc = devman_device_get_handle(path, &dev_handle, 0);
|
---|
85 | if (rc != EOK) {
|
---|
86 | free(path);
|
---|
87 | return false;
|
---|
88 | }
|
---|
89 |
|
---|
90 | /* Try to find its host controller. */
|
---|
91 | if (!hc_found) {
|
---|
92 | rc = usb_hc_find(dev_handle, &hc);
|
---|
93 | if (rc == EOK) {
|
---|
94 | hc_found = true;
|
---|
95 | }
|
---|
96 | }
|
---|
97 | /* Try to get its address. */
|
---|
98 | if (!addr_found) {
|
---|
99 | addr = usb_device_get_assigned_address(dev_handle);
|
---|
100 | if (addr >= 0) {
|
---|
101 | addr_found = true;
|
---|
102 | }
|
---|
103 | }
|
---|
104 |
|
---|
105 | /* Speed-up. */
|
---|
106 | if (hc_found && addr_found) {
|
---|
107 | break;
|
---|
108 | }
|
---|
109 |
|
---|
110 | /* Remove the last suffix. */
|
---|
111 | char *slash_pos = str_rchr(path, '/');
|
---|
112 | if (slash_pos != NULL) {
|
---|
113 | *slash_pos = 0;
|
---|
114 | }
|
---|
115 | }
|
---|
116 |
|
---|
117 | free(path);
|
---|
118 |
|
---|
119 | if (hc_found && addr_found) {
|
---|
120 | if (out_hc_handle != NULL) {
|
---|
121 | *out_hc_handle = hc;
|
---|
122 | }
|
---|
123 | if (out_device_address != NULL) {
|
---|
124 | *out_device_address = addr;
|
---|
125 | }
|
---|
126 | return true;
|
---|
127 | } else {
|
---|
128 | return false;
|
---|
129 | }
|
---|
130 | }
|
---|
131 |
|
---|
132 | int main(int argc, char *argv[])
|
---|
133 | {
|
---|
134 | if (argc <= 1) {
|
---|
135 | print_usage(argv[0]);
|
---|
136 | return -1;
|
---|
137 | }
|
---|
138 |
|
---|
139 | /*
|
---|
140 | * Process command-line options. They determine what shall be
|
---|
141 | * done with the device.
|
---|
142 | */
|
---|
143 |
|
---|
144 | /* TODO */
|
---|
145 |
|
---|
146 | /*
|
---|
147 | * Go through all devices given on the command line and run the
|
---|
148 | * specified actions.
|
---|
149 | */
|
---|
150 | int i;
|
---|
151 | for (i = 1; i < argc; i++) {
|
---|
152 | char *devpath = argv[i];
|
---|
153 |
|
---|
154 | /* The initialization is here only to make compiler happy. */
|
---|
155 | devman_handle_t hc_handle = 0;
|
---|
156 | usb_address_t dev_addr = 0;
|
---|
157 | bool found = resolve_hc_handle_and_dev_addr(devpath,
|
---|
158 | &hc_handle, &dev_addr);
|
---|
159 | if (!found) {
|
---|
160 | fprintf(stderr, NAME ": device `%s' not found "
|
---|
161 | "or not of USB kind, skipping.\n",
|
---|
162 | devpath);
|
---|
163 | continue;
|
---|
164 | }
|
---|
165 |
|
---|
166 | usbinfo_device_t *dev = prepare_device(hc_handle, dev_addr);
|
---|
167 | if (dev == NULL) {
|
---|
168 | continue;
|
---|
169 | }
|
---|
170 |
|
---|
171 | /* Run actions the user specified. */
|
---|
172 | /* TODO */
|
---|
173 |
|
---|
174 |
|
---|
175 | printf("%s\n", devpath);
|
---|
176 | dump_short_device_identification(dev);
|
---|
177 | dump_device_match_ids(dev);
|
---|
178 |
|
---|
179 | /* Destroy the control pipe (close the session etc.). */
|
---|
180 | destroy_device(dev);
|
---|
181 | }
|
---|
182 |
|
---|
183 | return 0;
|
---|
184 | }
|
---|
185 |
|
---|
186 |
|
---|
187 | /** @}
|
---|
188 | */
|
---|