Commit | Line | Data |
---|---|---|
0945b4fe TH |
1 | /* |
2 | * Copyright (C) 2005-2007 Takahiro Hirofuchi | |
3 | */ | |
4 | ||
021aed84 | 5 | #include <libudev.h> |
099f79fa | 6 | #include "usbip_common.h" |
0945b4fe TH |
7 | #include "names.h" |
8 | ||
f2fb62b3 | 9 | #undef PROGNAME |
10 | #define PROGNAME "libusbip" | |
11 | ||
5af7746f KK |
12 | int usbip_use_syslog; |
13 | int usbip_use_stderr; | |
14 | int usbip_use_debug; | |
0945b4fe | 15 | |
021aed84 VM |
16 | extern struct udev *udev_context; |
17 | ||
0945b4fe TH |
18 | struct speed_string { |
19 | int num; | |
20 | char *speed; | |
21 | char *desc; | |
22 | }; | |
23 | ||
24 | static const struct speed_string speed_strings[] = { | |
25 | { USB_SPEED_UNKNOWN, "unknown", "Unknown Speed"}, | |
26 | { USB_SPEED_LOW, "1.5", "Low Speed(1.5Mbps)" }, | |
27 | { USB_SPEED_FULL, "12", "Full Speed(12Mbps)" }, | |
28 | { USB_SPEED_HIGH, "480", "High Speed(480Mbps)" }, | |
d1fd43d7 SK |
29 | { USB_SPEED_WIRELESS, "53.3-480", "Wireless"}, |
30 | { USB_SPEED_SUPER, "5000", "Super Speed(5000Mbps)" }, | |
0945b4fe TH |
31 | { 0, NULL, NULL } |
32 | }; | |
33 | ||
34 | struct portst_string { | |
35 | int num; | |
36 | char *desc; | |
37 | }; | |
38 | ||
39 | static struct portst_string portst_strings[] = { | |
40 | { SDEV_ST_AVAILABLE, "Device Available" }, | |
41 | { SDEV_ST_USED, "Device in Use" }, | |
42 | { SDEV_ST_ERROR, "Device Error"}, | |
43 | { VDEV_ST_NULL, "Port Available"}, | |
44 | { VDEV_ST_NOTASSIGNED, "Port Initializing"}, | |
45 | { VDEV_ST_USED, "Port in Use"}, | |
46 | { VDEV_ST_ERROR, "Port Error"}, | |
47 | { 0, NULL} | |
48 | }; | |
49 | ||
50 | const char *usbip_status_string(int32_t status) | |
51 | { | |
b8ab0f2b | 52 | for (int i = 0; portst_strings[i].desc != NULL; i++) |
0945b4fe TH |
53 | if (portst_strings[i].num == status) |
54 | return portst_strings[i].desc; | |
55 | ||
56 | return "Unknown Status"; | |
57 | } | |
58 | ||
59 | const char *usbip_speed_string(int num) | |
60 | { | |
b8ab0f2b | 61 | for (int i = 0; speed_strings[i].speed != NULL; i++) |
0945b4fe TH |
62 | if (speed_strings[i].num == num) |
63 | return speed_strings[i].desc; | |
64 | ||
65 | return "Unknown Speed"; | |
66 | } | |
67 | ||
68 | ||
69 | #define DBG_UDEV_INTEGER(name)\ | |
70 | dbg("%-20s = %x", to_string(name), (int) udev->name) | |
71 | ||
72 | #define DBG_UINF_INTEGER(name)\ | |
73 | dbg("%-20s = %x", to_string(name), (int) uinf->name) | |
74 | ||
35dd0c2d | 75 | void dump_usb_interface(struct usbip_usb_interface *uinf) |
0945b4fe TH |
76 | { |
77 | char buff[100]; | |
3eed8c03 | 78 | |
0945b4fe TH |
79 | usbip_names_get_class(buff, sizeof(buff), |
80 | uinf->bInterfaceClass, | |
81 | uinf->bInterfaceSubClass, | |
82 | uinf->bInterfaceProtocol); | |
83 | dbg("%-20s = %s", "Interface(C/SC/P)", buff); | |
84 | } | |
85 | ||
35dd0c2d | 86 | void dump_usb_device(struct usbip_usb_device *udev) |
0945b4fe TH |
87 | { |
88 | char buff[100]; | |
89 | ||
0945b4fe TH |
90 | dbg("%-20s = %s", "path", udev->path); |
91 | dbg("%-20s = %s", "busid", udev->busid); | |
92 | ||
93 | usbip_names_get_class(buff, sizeof(buff), | |
94 | udev->bDeviceClass, | |
95 | udev->bDeviceSubClass, | |
96 | udev->bDeviceProtocol); | |
97 | dbg("%-20s = %s", "Device(C/SC/P)", buff); | |
98 | ||
99 | DBG_UDEV_INTEGER(bcdDevice); | |
100 | ||
101 | usbip_names_get_product(buff, sizeof(buff), | |
102 | udev->idVendor, | |
103 | udev->idProduct); | |
104 | dbg("%-20s = %s", "Vendor/Product", buff); | |
105 | ||
106 | DBG_UDEV_INTEGER(bNumConfigurations); | |
107 | DBG_UDEV_INTEGER(bNumInterfaces); | |
108 | ||
109 | dbg("%-20s = %s", "speed", | |
110 | usbip_speed_string(udev->speed)); | |
111 | ||
112 | DBG_UDEV_INTEGER(busnum); | |
113 | DBG_UDEV_INTEGER(devnum); | |
114 | } | |
115 | ||
116 | ||
021aed84 | 117 | int read_attr_value(struct udev_device *dev, const char *name, |
9db91e1b | 118 | const char *format) |
0945b4fe | 119 | { |
021aed84 | 120 | const char *attr; |
0945b4fe TH |
121 | int num = 0; |
122 | int ret; | |
123 | ||
021aed84 | 124 | attr = udev_device_get_sysattr_value(dev, name); |
0945b4fe | 125 | if (!attr) { |
021aed84 | 126 | err("udev_device_get_sysattr_value failed"); |
0945b4fe TH |
127 | goto err; |
128 | } | |
129 | ||
87f627f7 VM |
130 | /* The client chooses the device configuration |
131 | * when attaching it so right after being bound | |
132 | * to usbip-host on the server the device will | |
133 | * have no configuration. | |
134 | * Therefore, attributes such as bConfigurationValue | |
135 | * and bNumInterfaces will not exist and sscanf will | |
136 | * fail. Check for these cases and don't treat them | |
137 | * as errors. | |
138 | */ | |
139 | ||
021aed84 | 140 | ret = sscanf(attr, format, &num); |
0945b4fe | 141 | if (ret < 1) { |
87f627f7 VM |
142 | if (strcmp(name, "bConfigurationValue") && |
143 | strcmp(name, "bNumInterfaces")) { | |
144 | err("sscanf failed for attribute %s", name); | |
145 | goto err; | |
146 | } | |
0945b4fe TH |
147 | } |
148 | ||
149 | err: | |
0945b4fe TH |
150 | |
151 | return num; | |
152 | } | |
153 | ||
154 | ||
021aed84 | 155 | int read_attr_speed(struct udev_device *dev) |
0945b4fe | 156 | { |
021aed84 | 157 | const char *speed; |
0945b4fe | 158 | |
021aed84 VM |
159 | speed = udev_device_get_sysattr_value(dev, "speed"); |
160 | if (!speed) { | |
161 | err("udev_device_get_sysattr_value failed"); | |
0945b4fe TH |
162 | goto err; |
163 | } | |
164 | ||
b8ab0f2b | 165 | for (int i = 0; speed_strings[i].speed != NULL; i++) { |
0945b4fe TH |
166 | if (!strcmp(speed, speed_strings[i].speed)) |
167 | return speed_strings[i].num; | |
168 | } | |
169 | ||
021aed84 VM |
170 | err: |
171 | ||
0945b4fe TH |
172 | return USB_SPEED_UNKNOWN; |
173 | } | |
174 | ||
9db91e1b KK |
175 | #define READ_ATTR(object, type, dev, name, format) \ |
176 | do { \ | |
177 | (object)->name = (type) read_attr_value(dev, to_string(name), \ | |
178 | format); \ | |
179 | } while (0) | |
0945b4fe TH |
180 | |
181 | ||
021aed84 | 182 | int read_usb_device(struct udev_device *sdev, struct usbip_usb_device *udev) |
0945b4fe TH |
183 | { |
184 | uint32_t busnum, devnum; | |
021aed84 | 185 | const char *path, *name; |
0945b4fe TH |
186 | |
187 | READ_ATTR(udev, uint8_t, sdev, bDeviceClass, "%02x\n"); | |
188 | READ_ATTR(udev, uint8_t, sdev, bDeviceSubClass, "%02x\n"); | |
189 | READ_ATTR(udev, uint8_t, sdev, bDeviceProtocol, "%02x\n"); | |
190 | ||
191 | READ_ATTR(udev, uint16_t, sdev, idVendor, "%04x\n"); | |
192 | READ_ATTR(udev, uint16_t, sdev, idProduct, "%04x\n"); | |
193 | READ_ATTR(udev, uint16_t, sdev, bcdDevice, "%04x\n"); | |
194 | ||
195 | READ_ATTR(udev, uint8_t, sdev, bConfigurationValue, "%02x\n"); | |
196 | READ_ATTR(udev, uint8_t, sdev, bNumConfigurations, "%02x\n"); | |
197 | READ_ATTR(udev, uint8_t, sdev, bNumInterfaces, "%02x\n"); | |
198 | ||
199 | READ_ATTR(udev, uint8_t, sdev, devnum, "%d\n"); | |
200 | udev->speed = read_attr_speed(sdev); | |
201 | ||
021aed84 VM |
202 | path = udev_device_get_syspath(sdev); |
203 | name = udev_device_get_sysname(sdev); | |
0945b4fe | 204 | |
021aed84 VM |
205 | strncpy(udev->path, path, SYSFS_PATH_MAX); |
206 | strncpy(udev->busid, name, SYSFS_BUS_ID_SIZE); | |
207 | ||
208 | sscanf(name, "%u-%u", &busnum, &devnum); | |
0945b4fe TH |
209 | udev->busnum = busnum; |
210 | ||
211 | return 0; | |
212 | } | |
213 | ||
35dd0c2d | 214 | int read_usb_interface(struct usbip_usb_device *udev, int i, |
215 | struct usbip_usb_interface *uinf) | |
0945b4fe TH |
216 | { |
217 | char busid[SYSFS_BUS_ID_SIZE]; | |
021aed84 | 218 | struct udev_device *sif; |
0945b4fe TH |
219 | |
220 | sprintf(busid, "%s:%d.%d", udev->busid, udev->bConfigurationValue, i); | |
221 | ||
021aed84 | 222 | sif = udev_device_new_from_subsystem_sysname(udev_context, "usb", busid); |
0945b4fe | 223 | if (!sif) { |
021aed84 | 224 | err("udev_device_new_from_subsystem_sysname %s failed", busid); |
0945b4fe TH |
225 | return -1; |
226 | } | |
227 | ||
228 | READ_ATTR(uinf, uint8_t, sif, bInterfaceClass, "%02x\n"); | |
229 | READ_ATTR(uinf, uint8_t, sif, bInterfaceSubClass, "%02x\n"); | |
230 | READ_ATTR(uinf, uint8_t, sif, bInterfaceProtocol, "%02x\n"); | |
231 | ||
0945b4fe TH |
232 | return 0; |
233 | } | |
234 | ||
235 | int usbip_names_init(char *f) | |
236 | { | |
237 | return names_init(f); | |
238 | } | |
239 | ||
19495513 | 240 | void usbip_names_free(void) |
0945b4fe TH |
241 | { |
242 | names_free(); | |
243 | } | |
244 | ||
9db91e1b KK |
245 | void usbip_names_get_product(char *buff, size_t size, uint16_t vendor, |
246 | uint16_t product) | |
0945b4fe TH |
247 | { |
248 | const char *prod, *vend; | |
249 | ||
250 | prod = names_product(vendor, product); | |
251 | if (!prod) | |
252 | prod = "unknown product"; | |
253 | ||
254 | ||
255 | vend = names_vendor(vendor); | |
256 | if (!vend) | |
257 | vend = "unknown vendor"; | |
258 | ||
259 | snprintf(buff, size, "%s : %s (%04x:%04x)", vend, prod, vendor, product); | |
260 | } | |
261 | ||
9db91e1b KK |
262 | void usbip_names_get_class(char *buff, size_t size, uint8_t class, |
263 | uint8_t subclass, uint8_t protocol) | |
0945b4fe TH |
264 | { |
265 | const char *c, *s, *p; | |
266 | ||
267 | if (class == 0 && subclass == 0 && protocol == 0) { | |
268 | snprintf(buff, size, "(Defined at Interface level) (%02x/%02x/%02x)", class, subclass, protocol); | |
269 | return; | |
270 | } | |
271 | ||
272 | p = names_protocol(class, subclass, protocol); | |
273 | if (!p) | |
274 | p = "unknown protocol"; | |
275 | ||
276 | s = names_subclass(class, subclass); | |
277 | if (!s) | |
278 | s = "unknown subclass"; | |
279 | ||
280 | c = names_class(class); | |
281 | if (!c) | |
282 | c = "unknown class"; | |
283 | ||
284 | snprintf(buff, size, "%s / %s / %s (%02x/%02x/%02x)", c, s, p, class, subclass, protocol); | |
285 | } |