diff options
Diffstat (limited to 'drivers/staging/usbip/userspace/src/usbip_list.c')
-rw-r--r-- | drivers/staging/usbip/userspace/src/usbip_list.c | 303 |
1 files changed, 303 insertions, 0 deletions
diff --git a/drivers/staging/usbip/userspace/src/usbip_list.c b/drivers/staging/usbip/userspace/src/usbip_list.c new file mode 100644 index 00000000000..ed30d910e03 --- /dev/null +++ b/drivers/staging/usbip/userspace/src/usbip_list.c @@ -0,0 +1,303 @@ +/* + * 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/types.h> +#include <sysfs/libsysfs.h> + +#include <errno.h> +#include <stdbool.h> +#include <stdint.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +#include <getopt.h> +#include <netdb.h> +#include <unistd.h> + +#include "usbip_common.h" +#include "usbip_network.h" +#include "usbip.h" + +static const char usbip_list_usage_string[] = + "usbip list [-p|--parsable] <args>\n" + " -p, --parsable Parsable list format\n" + " -r, --remote=<host> List the exportable USB devices on <host>\n" + " -l, --local List the local USB devices\n"; + +void usbip_list_usage(void) +{ + printf("usage: %s", usbip_list_usage_string); +} + +static int get_exported_devices(char *host, int sockfd) +{ + char product_name[100]; + char class_name[100]; + struct op_devlist_reply reply; + uint16_t code = OP_REP_DEVLIST; + struct usbip_usb_device udev; + struct usbip_usb_interface uintf; + unsigned int i; + int j, rc; + + rc = usbip_net_send_op_common(sockfd, OP_REQ_DEVLIST, 0); + if (rc < 0) { + dbg("usbip_net_send_op_common failed"); + return -1; + } + + rc = usbip_net_recv_op_common(sockfd, &code); + if (rc < 0) { + dbg("usbip_net_recv_op_common failed"); + return -1; + } + + memset(&reply, 0, sizeof(reply)); + rc = usbip_net_recv(sockfd, &reply, sizeof(reply)); + if (rc < 0) { + dbg("usbip_net_recv_op_devlist failed"); + return -1; + } + PACK_OP_DEVLIST_REPLY(0, &reply); + dbg("exportable devices: %d\n", reply.ndev); + + if (reply.ndev == 0) { + info("no exportable devices found on %s", host); + return 0; + } + + printf("Exportable USB devices\n"); + printf("======================\n"); + printf(" - %s\n", host); + + for (i = 0; i < reply.ndev; i++) { + memset(&udev, 0, sizeof(udev)); + rc = usbip_net_recv(sockfd, &udev, sizeof(udev)); + if (rc < 0) { + dbg("usbip_net_recv failed: usbip_usb_device[%d]", i); + return -1; + } + usbip_net_pack_usb_device(0, &udev); + + usbip_names_get_product(product_name, sizeof(product_name), + udev.idVendor, udev.idProduct); + usbip_names_get_class(class_name, sizeof(class_name), + udev.bDeviceClass, udev.bDeviceSubClass, + udev.bDeviceProtocol); + printf("%11s: %s\n", udev.busid, product_name); + printf("%11s: %s\n", "", udev.path); + printf("%11s: %s\n", "", class_name); + + for (j = 0; j < udev.bNumInterfaces; j++) { + rc = usbip_net_recv(sockfd, &uintf, sizeof(uintf)); + if (rc < 0) { + dbg("usbip_net_recv failed: usbip_usb_intf[%d]", + j); + + return -1; + } + usbip_net_pack_usb_interface(0, &uintf); + + usbip_names_get_class(class_name, sizeof(class_name), + uintf.bInterfaceClass, + uintf.bInterfaceSubClass, + uintf.bInterfaceProtocol); + printf("%11s: %2d - %s\n", "", j, class_name); + } + printf("\n"); + } + + return 0; +} + +static int list_exported_devices(char *host) +{ + int rc; + int sockfd; + + sockfd = usbip_net_tcp_connect(host, USBIP_PORT_STRING); + if (sockfd < 0) { + err("could not connect to %s:%s: %s", host, + USBIP_PORT_STRING, gai_strerror(sockfd)); + return -1; + } + dbg("connected to %s:%s", host, USBIP_PORT_STRING); + + rc = get_exported_devices(host, sockfd); + if (rc < 0) { + err("failed to get device list from %s", host); + return -1; + } + + close(sockfd); + + return 0; +} + +static void print_device(char *busid, char *vendor, char *product, + bool parsable) +{ + if (parsable) + printf("busid=%s#usbid=%.4s:%.4s#", busid, vendor, product); + else + printf(" - busid %s (%.4s:%.4s)\n", busid, vendor, product); +} + +static void print_interface(char *busid, char *driver, bool parsable) +{ + if (parsable) + printf("%s=%s#", busid, driver); + else + printf("%9s%s -> %s\n", "", busid, driver); +} + +static int is_device(void *x) +{ + struct sysfs_attribute *devpath; + struct sysfs_device *dev = x; + int ret = 0; + + devpath = sysfs_get_device_attr(dev, "devpath"); + if (devpath && *devpath->value != '0') + ret = 1; + + return ret; +} + +static int devcmp(void *a, void *b) +{ + return strcmp(a, b); +} + +static int list_devices(bool parsable) +{ + char bus_type[] = "usb"; + char busid[SYSFS_BUS_ID_SIZE]; + struct sysfs_bus *ubus; + struct sysfs_device *dev; + struct sysfs_device *intf; + struct sysfs_attribute *idVendor; + struct sysfs_attribute *idProduct; + struct sysfs_attribute *bConfValue; + struct sysfs_attribute *bNumIntfs; + struct dlist *devlist; + int i; + int ret = -1; + + ubus = sysfs_open_bus(bus_type); + if (!ubus) { + err("could not open %s bus: %s", bus_type, strerror(errno)); + return -1; + } + + devlist = sysfs_get_bus_devices(ubus); + if (!devlist) { + err("could not get %s bus devices: %s", bus_type, + strerror(errno)); + goto err_out; + } + + /* remove interfaces and root hubs from device list */ + dlist_filter_sort(devlist, is_device, devcmp); + + if (!parsable) { + printf("Local USB devices\n"); + printf("=================\n"); + } + dlist_for_each_data(devlist, dev, struct sysfs_device) { + idVendor = sysfs_get_device_attr(dev, "idVendor"); + idProduct = sysfs_get_device_attr(dev, "idProduct"); + bConfValue = sysfs_get_device_attr(dev, "bConfigurationValue"); + bNumIntfs = sysfs_get_device_attr(dev, "bNumInterfaces"); + if (!idVendor || !idProduct || !bConfValue || !bNumIntfs) { + err("problem getting device attributes: %s", + strerror(errno)); + goto err_out; + } + + print_device(dev->bus_id, idVendor->value, idProduct->value, + parsable); + + for (i = 0; i < atoi(bNumIntfs->value); i++) { + snprintf(busid, sizeof(busid), "%s:%.1s.%d", + dev->bus_id, bConfValue->value, i); + intf = sysfs_open_device(bus_type, busid); + if (!intf) { + err("could not open device interface: %s", + strerror(errno)); + goto err_out; + } + print_interface(busid, intf->driver_name, parsable); + sysfs_close_device(intf); + } + printf("\n"); + } + + ret = 0; + +err_out: + sysfs_close_bus(ubus); + + return ret; +} + +int usbip_list(int argc, char *argv[]) +{ + static const struct option opts[] = { + { "parsable", no_argument, NULL, 'p' }, + { "remote", required_argument, NULL, 'r' }, + { "local", no_argument, NULL, 'l' }, + { NULL, 0, NULL, 0 } + }; + + bool parsable = false; + int opt; + int ret = -1; + + if (usbip_names_init(USBIDS_FILE)) + err("failed to open %s", USBIDS_FILE); + + for (;;) { + opt = getopt_long(argc, argv, "pr:l", opts, NULL); + + if (opt == -1) + break; + + switch (opt) { + case 'p': + parsable = true; + break; + case 'r': + ret = list_exported_devices(optarg); + goto out; + case 'l': + ret = list_devices(parsable); + goto out; + default: + goto err_out; + } + } + +err_out: + usbip_list_usage(); +out: + usbip_names_free(); + + return ret; +} |