1 // SPDX-License-Identifier: GPL-2.0-or-later
4  *               2005-2007 Takahiro Hirofuchi
5  * Copyright (C) 2015-2016 Samsung Electronics
29 	"    -r, --remote=<host>      The machine with exported USB devices\n"
30 	"    -b, --busid=<busid>    Busid of the device on <host>\n"
31 	"    -d, --device=<devid>    Id of the virtual UDC on <host>\n";
39 static int record_connection(char *host, char *port, char *busid, int rhport)  in record_connection()  argument
54 				return -1;  in record_connection()
56 				return -1;  in record_connection()
58 			return -1;  in record_connection()
61 	snprintf(path, PATH_MAX, VHCI_STATE_PATH"/port%d", rhport);  in record_connection()
65 		return -1;  in record_connection()
68 			host, port, busid);  in record_connection()
73 		return -1;  in record_connection()
84 	int port;  in import_device()  local
85 	uint32_t speed = udev->speed;  in import_device()
94 		port = usbip_vhci_get_free_port(speed);  in import_device()
95 		if (port < 0) {  in import_device()
96 			err("no free port");  in import_device()
100 		dbg("got free port %d", port);  in import_device()
102 		rc = usbip_vhci_attach_device(port, sockfd, udev->busnum,  in import_device()
103 					      udev->devnum, udev->speed);  in import_device()
112 	return port;  in import_device()
117 	return -1;  in import_device()
135 		return -1;  in query_import_device()
138 	strncpy(request.busid, busid, SYSFS_BUS_ID_SIZE-1);  in query_import_device()
145 		return -1;  in query_import_device()
151 		err("Attach Request for %s failed - %s\n",  in query_import_device()
153 		return -1;  in query_import_device()
159 		return -1;  in query_import_device()
167 		return -1;  in query_import_device()
174 static int attach_device(char *host, char *busid)  in attach_device()  argument
180 	sockfd = usbip_net_tcp_connect(host, usbip_port_string);  in attach_device()
183 		return -1;  in attach_device()
188 		return -1;  in attach_device()
192 	rc = record_connection(host, usbip_port_string, busid, rhport);  in attach_device()
195 		return -1;  in attach_device()
209 	char *host = NULL;  in usbip_attach()  local
212 	int ret = -1;  in usbip_attach()
217 		if (opt == -1)  in usbip_attach()
222 			host = optarg;  in usbip_attach()
233 	if (!host || !busid)  in usbip_attach()
236 	ret = attach_device(host, busid);  in usbip_attach()