diff options
Diffstat (limited to 'drivers/staging/usbip/userspace/src/usbip_attach.c')
-rw-r--r-- | drivers/staging/usbip/userspace/src/usbip_attach.c | 241 |
1 files changed, 0 insertions, 241 deletions
diff --git a/drivers/staging/usbip/userspace/src/usbip_attach.c b/drivers/staging/usbip/userspace/src/usbip_attach.c deleted file mode 100644 index d58a14dfc094..000000000000 --- a/drivers/staging/usbip/userspace/src/usbip_attach.c +++ /dev/null @@ -1,241 +0,0 @@ -/* - * Copyright (C) 2011 matt mooney <mfm@muteddisk.com> - * 2005-2007 Takahiro Hirofuchi - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. - */ - -#include <sys/stat.h> - -#include <limits.h> -#include <stdint.h> -#include <stdio.h> -#include <string.h> - -#include <fcntl.h> -#include <getopt.h> -#include <unistd.h> -#include <errno.h> - -#include "vhci_driver.h" -#include "usbip_common.h" -#include "usbip_network.h" -#include "usbip.h" - -static const char usbip_attach_usage_string[] = - "usbip attach <args>\n" - " -r, --remote=<host> The machine with exported USB devices\n" - " -b, --busid=<busid> Busid of the device on <host>\n"; - -void usbip_attach_usage(void) -{ - printf("usage: %s", usbip_attach_usage_string); -} - -#define MAX_BUFF 100 -static int record_connection(char *host, char *port, char *busid, int rhport) -{ - int fd; - char path[PATH_MAX+1]; - char buff[MAX_BUFF+1]; - int ret; - - ret = mkdir(VHCI_STATE_PATH, 0700); - if (ret < 0) { - /* if VHCI_STATE_PATH exists, then it better be a directory */ - if (errno == EEXIST) { - struct stat s; - - ret = stat(VHCI_STATE_PATH, &s); - if (ret < 0) - return -1; - if (!(s.st_mode & S_IFDIR)) - return -1; - } else - return -1; - } - - snprintf(path, PATH_MAX, VHCI_STATE_PATH"/port%d", rhport); - - fd = open(path, O_WRONLY|O_CREAT|O_TRUNC, S_IRWXU); - if (fd < 0) - return -1; - - snprintf(buff, MAX_BUFF, "%s %s %s\n", - host, port, busid); - - ret = write(fd, buff, strlen(buff)); - if (ret != (ssize_t) strlen(buff)) { - close(fd); - return -1; - } - - close(fd); - - return 0; -} - -static int import_device(int sockfd, struct usbip_usb_device *udev) -{ - int rc; - int port; - - rc = usbip_vhci_driver_open(); - if (rc < 0) { - err("open vhci_driver"); - return -1; - } - - port = usbip_vhci_get_free_port(); - if (port < 0) { - err("no free port"); - usbip_vhci_driver_close(); - return -1; - } - - rc = usbip_vhci_attach_device(port, sockfd, udev->busnum, - udev->devnum, udev->speed); - if (rc < 0) { - err("import device"); - usbip_vhci_driver_close(); - return -1; - } - - usbip_vhci_driver_close(); - - return port; -} - -static int query_import_device(int sockfd, char *busid) -{ - int rc; - struct op_import_request request; - struct op_import_reply reply; - uint16_t code = OP_REP_IMPORT; - - memset(&request, 0, sizeof(request)); - memset(&reply, 0, sizeof(reply)); - - /* send a request */ - rc = usbip_net_send_op_common(sockfd, OP_REQ_IMPORT, 0); - if (rc < 0) { - err("send op_common"); - return -1; - } - - strncpy(request.busid, busid, SYSFS_BUS_ID_SIZE-1); - - PACK_OP_IMPORT_REQUEST(0, &request); - - rc = usbip_net_send(sockfd, (void *) &request, sizeof(request)); - if (rc < 0) { - err("send op_import_request"); - return -1; - } - - /* receive a reply */ - rc = usbip_net_recv_op_common(sockfd, &code); - if (rc < 0) { - err("recv op_common"); - return -1; - } - - rc = usbip_net_recv(sockfd, (void *) &reply, sizeof(reply)); - if (rc < 0) { - err("recv op_import_reply"); - return -1; - } - - PACK_OP_IMPORT_REPLY(0, &reply); - - /* check the reply */ - if (strncmp(reply.udev.busid, busid, SYSFS_BUS_ID_SIZE)) { - err("recv different busid %s", reply.udev.busid); - return -1; - } - - /* import a device */ - return import_device(sockfd, &reply.udev); -} - -static int attach_device(char *host, char *busid) -{ - int sockfd; - int rc; - int rhport; - - sockfd = usbip_net_tcp_connect(host, usbip_port_string); - if (sockfd < 0) { - err("tcp connect"); - return -1; - } - - rhport = query_import_device(sockfd, busid); - if (rhport < 0) { - err("query"); - return -1; - } - - close(sockfd); - - rc = record_connection(host, usbip_port_string, busid, rhport); - if (rc < 0) { - err("record connection"); - return -1; - } - - return 0; -} - -int usbip_attach(int argc, char *argv[]) -{ - static const struct option opts[] = { - { "remote", required_argument, NULL, 'r' }, - { "busid", required_argument, NULL, 'b' }, - { NULL, 0, NULL, 0 } - }; - char *host = NULL; - char *busid = NULL; - int opt; - int ret = -1; - - for (;;) { - opt = getopt_long(argc, argv, "r:b:", opts, NULL); - - if (opt == -1) - break; - - switch (opt) { - case 'r': - host = optarg; - break; - case 'b': - busid = optarg; - break; - default: - goto err_out; - } - } - - if (!host || !busid) - goto err_out; - - ret = attach_device(host, busid); - goto out; - -err_out: - usbip_attach_usage(); -out: - return ret; -} |