2 * Copyright (C) 2011 matt mooney <mfm@muteddisk.com>
3 * 2005-2007 Takahiro Hirofuchi
4 * Copyright (C) 2015-2016 Samsung Electronics
5 * Igor Kotrasinski <i.kotrasinsk@samsung.com>
6 * Krzysztof Opasiak <k.opasiak@samsung.com>
8 * This program is free software: you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation, either version 2 of the License, or
11 * (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program. If not, see <http://www.gnu.org/licenses/>.
22 #include <sys/types.h>
38 #include <linux/usb/ch9.h>
40 #include "usbip_common.h"
41 #include "usbip_network.h"
44 static const char usbip_list_usage_string
[] =
45 "usbip list [-p|--parsable] <args>\n"
46 " -p, --parsable Parsable list format\n"
47 " -r, --remote=<host> List the exportable USB devices on <host>\n"
48 " -l, --local List the local USB devices\n";
50 void usbip_list_usage(void)
52 printf("usage: %s", usbip_list_usage_string
);
55 static int get_exported_devices(char *host
, int sockfd
)
57 char product_name
[100];
59 struct op_devlist_reply reply
;
60 uint16_t code
= OP_REP_DEVLIST
;
61 struct usbip_usb_device udev
;
62 struct usbip_usb_interface uintf
;
67 rc
= usbip_net_send_op_common(sockfd
, OP_REQ_DEVLIST
, 0);
69 dbg("usbip_net_send_op_common failed");
73 rc
= usbip_net_recv_op_common(sockfd
, &code
, &status
);
75 err("Exported Device List Request failed - %s\n",
76 usbip_op_common_status_string(status
));
80 memset(&reply
, 0, sizeof(reply
));
81 rc
= usbip_net_recv(sockfd
, &reply
, sizeof(reply
));
83 dbg("usbip_net_recv_op_devlist failed");
86 PACK_OP_DEVLIST_REPLY(0, &reply
);
87 dbg("exportable devices: %d\n", reply
.ndev
);
89 if (reply
.ndev
== 0) {
90 info("no exportable devices found on %s", host
);
94 printf("Exportable USB devices\n");
95 printf("======================\n");
96 printf(" - %s\n", host
);
98 for (i
= 0; i
< reply
.ndev
; i
++) {
99 memset(&udev
, 0, sizeof(udev
));
100 rc
= usbip_net_recv(sockfd
, &udev
, sizeof(udev
));
102 dbg("usbip_net_recv failed: usbip_usb_device[%d]", i
);
105 usbip_net_pack_usb_device(0, &udev
);
107 usbip_names_get_product(product_name
, sizeof(product_name
),
108 udev
.idVendor
, udev
.idProduct
);
109 usbip_names_get_class(class_name
, sizeof(class_name
),
110 udev
.bDeviceClass
, udev
.bDeviceSubClass
,
111 udev
.bDeviceProtocol
);
112 printf("%11s: %s\n", udev
.busid
, product_name
);
113 printf("%11s: %s\n", "", udev
.path
);
114 printf("%11s: %s\n", "", class_name
);
116 for (j
= 0; j
< udev
.bNumInterfaces
; j
++) {
117 rc
= usbip_net_recv(sockfd
, &uintf
, sizeof(uintf
));
119 err("usbip_net_recv failed: usbip_usb_intf[%d]",
124 usbip_net_pack_usb_interface(0, &uintf
);
126 usbip_names_get_class(class_name
, sizeof(class_name
),
127 uintf
.bInterfaceClass
,
128 uintf
.bInterfaceSubClass
,
129 uintf
.bInterfaceProtocol
);
130 printf("%11s: %2d - %s\n", "", j
, class_name
);
139 static int list_exported_devices(char *host
)
144 sockfd
= usbip_net_tcp_connect(host
, usbip_port_string
);
146 err("could not connect to %s:%s: %s", host
,
147 usbip_port_string
, gai_strerror(sockfd
));
150 dbg("connected to %s:%s", host
, usbip_port_string
);
152 rc
= get_exported_devices(host
, sockfd
);
154 err("failed to get device list from %s", host
);
163 static void print_device(const char *busid
, const char *vendor
,
164 const char *product
, bool parsable
)
167 printf("busid=%s#usbid=%.4s:%.4s#", busid
, vendor
, product
);
169 printf(" - busid %s (%.4s:%.4s)\n", busid
, vendor
, product
);
172 static void print_product_name(char *product_name
, bool parsable
)
175 printf(" %s\n", product_name
);
178 static int list_devices(bool parsable
)
181 struct udev_enumerate
*enumerate
;
182 struct udev_list_entry
*devices
, *dev_list_entry
;
183 struct udev_device
*dev
;
185 const char *idVendor
;
186 const char *idProduct
;
187 const char *bConfValue
;
188 const char *bNumIntfs
;
190 char product_name
[128];
194 /* Create libudev context. */
197 /* Create libudev device enumeration. */
198 enumerate
= udev_enumerate_new(udev
);
200 /* Take only USB devices that are not hubs and do not have
201 * the bInterfaceNumber attribute, i.e. are not interfaces.
203 udev_enumerate_add_match_subsystem(enumerate
, "usb");
204 udev_enumerate_add_nomatch_sysattr(enumerate
, "bDeviceClass", "09");
205 udev_enumerate_add_nomatch_sysattr(enumerate
, "bInterfaceNumber", NULL
);
206 udev_enumerate_scan_devices(enumerate
);
208 devices
= udev_enumerate_get_list_entry(enumerate
);
210 /* Show information about each device. */
211 udev_list_entry_foreach(dev_list_entry
, devices
) {
212 path
= udev_list_entry_get_name(dev_list_entry
);
213 dev
= udev_device_new_from_syspath(udev
, path
);
215 /* Ignore devices attached to vhci_hcd */
216 devpath
= udev_device_get_devpath(dev
);
217 if (strstr(devpath
, USBIP_VHCI_DRV_NAME
)) {
218 dbg("Skip the device %s already attached to %s\n",
219 devpath
, USBIP_VHCI_DRV_NAME
);
223 /* Get device information. */
224 idVendor
= udev_device_get_sysattr_value(dev
, "idVendor");
225 idProduct
= udev_device_get_sysattr_value(dev
, "idProduct");
226 bConfValue
= udev_device_get_sysattr_value(dev
,
227 "bConfigurationValue");
228 bNumIntfs
= udev_device_get_sysattr_value(dev
,
230 busid
= udev_device_get_sysname(dev
);
231 if (!idVendor
|| !idProduct
|| !bConfValue
|| !bNumIntfs
) {
232 err("problem getting device attributes: %s",
237 /* Get product name. */
238 usbip_names_get_product(product_name
, sizeof(product_name
),
239 strtol(idVendor
, NULL
, 16),
240 strtol(idProduct
, NULL
, 16));
242 /* Print information. */
243 print_device(busid
, idVendor
, idProduct
, parsable
);
244 print_product_name(product_name
, parsable
);
248 udev_device_unref(dev
);
254 udev_enumerate_unref(enumerate
);
260 static int list_gadget_devices(bool parsable
)
264 struct udev_enumerate
*enumerate
;
265 struct udev_list_entry
*devices
, *dev_list_entry
;
266 struct udev_device
*dev
;
270 const struct usb_device_descriptor
*d_desc
;
271 const char *descriptors
;
272 char product_name
[128];
275 char idVendor_buf
[8];
277 char idProduct_buf
[8];
281 enumerate
= udev_enumerate_new(udev
);
283 udev_enumerate_add_match_subsystem(enumerate
, "platform");
285 udev_enumerate_scan_devices(enumerate
);
286 devices
= udev_enumerate_get_list_entry(enumerate
);
288 udev_list_entry_foreach(dev_list_entry
, devices
) {
289 path
= udev_list_entry_get_name(dev_list_entry
);
290 dev
= udev_device_new_from_syspath(udev
, path
);
292 driver
= udev_device_get_driver(dev
);
293 /* We only have mechanism to enumerate gadgets bound to vudc */
294 if (driver
== NULL
|| strcmp(driver
, USBIP_DEVICE_DRV_NAME
))
297 /* Get device information. */
298 descriptors
= udev_device_get_sysattr_value(dev
,
299 VUDC_DEVICE_DESCR_FILE
);
302 err("problem getting device attributes: %s",
307 d_desc
= (const struct usb_device_descriptor
*) descriptors
;
309 idVendor
= le16toh(d_desc
->idVendor
);
310 sprintf(idVendor_buf
, "0x%4x", idVendor
);
311 idProduct
= le16toh(d_desc
->idProduct
);
312 sprintf(idProduct_buf
, "0x%4x", idVendor
);
313 busid
= udev_device_get_sysname(dev
);
315 /* Get product name. */
316 usbip_names_get_product(product_name
, sizeof(product_name
),
320 /* Print information. */
321 print_device(busid
, idVendor_buf
, idProduct_buf
, parsable
);
322 print_product_name(product_name
, parsable
);
326 udev_device_unref(dev
);
331 udev_enumerate_unref(enumerate
);
337 int usbip_list(int argc
, char *argv
[])
339 static const struct option opts
[] = {
340 { "parsable", no_argument
, NULL
, 'p' },
341 { "remote", required_argument
, NULL
, 'r' },
342 { "local", no_argument
, NULL
, 'l' },
343 { "device", no_argument
, NULL
, 'd' },
347 bool parsable
= false;
351 if (usbip_names_init(USBIDS_FILE
))
352 err("failed to open %s", USBIDS_FILE
);
355 opt
= getopt_long(argc
, argv
, "pr:ld", opts
, NULL
);
365 ret
= list_exported_devices(optarg
);
368 ret
= list_devices(parsable
);
371 ret
= list_gadget_devices(parsable
);