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);