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authorIgor Kotrasinski <i.kotrasinsk@samsung.com>2016-03-08 21:49:06 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-04-26 15:19:50 -0700
commite0546fd8b748b19d8edd1550530da8ebad6e4b31 (patch)
tree79f1d0273652e45a13b96ed1cb1d3fa6122599e3 /tools/usb
parent7b3f74f7e0601b2767aee7e188b1e3a912c082a2 (diff)
downloadlinux-e0546fd8b748b19d8edd1550530da8ebad6e4b31.tar.bz2
usbip: tools: Start using VUDC backend in usbip tools
Modify userspace tools to allow exporting and connecting to vudc. This commit is a result of cooperation between Samsung R&D Institute Poland and Open Operating Systems Student Society at University of Warsaw (O2S3@UW) consisting of: Igor Kotrasinski <ikotrasinsk@gmail.com> Karol Kosik <karo9@interia.eu> Ewelina Kosmider <3w3lfin@gmail.com> Dawid Lazarczyk <lazarczyk.dawid@gmail.com> Piotr Szulc <ps347277@students.mimuw.edu.pl> Tutor and project owner: Krzysztof Opasiak <k.opasiak@samsung.com> Signed-off-by: Igor Kotrasinski <i.kotrasinsk@samsung.com> Signed-off-by: Ewelina Kosmider <3w3lfin@gmail.com> [Various bug fixes and improvements] Signed-off-by: Krzysztof Opasiak <k.opasiak@samsung.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'tools/usb')
-rw-r--r--tools/usb/usbip/src/usbip_attach.c10
-rw-r--r--tools/usb/usbip/src/usbip_list.c96
-rw-r--r--tools/usb/usbip/src/usbipd.c12
3 files changed, 112 insertions, 6 deletions
diff --git a/tools/usb/usbip/src/usbip_attach.c b/tools/usb/usbip/src/usbip_attach.c
index d58a14dfc094..70a6b507fb62 100644
--- a/tools/usb/usbip/src/usbip_attach.c
+++ b/tools/usb/usbip/src/usbip_attach.c
@@ -1,6 +1,9 @@
/*
* Copyright (C) 2011 matt mooney <mfm@muteddisk.com>
* 2005-2007 Takahiro Hirofuchi
+ * Copyright (C) 2015-2016 Samsung Electronics
+ * Igor Kotrasinski <i.kotrasinsk@samsung.com>
+ * Krzysztof Opasiak <k.opasiak@samsung.com>
*
* 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
@@ -36,7 +39,8 @@
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";
+ " -b, --busid=<busid> Busid of the device on <host>\n"
+ " -d, --device=<devid> Id of the virtual UDC on <host>\n";
void usbip_attach_usage(void)
{
@@ -203,6 +207,7 @@ int usbip_attach(int argc, char *argv[])
static const struct option opts[] = {
{ "remote", required_argument, NULL, 'r' },
{ "busid", required_argument, NULL, 'b' },
+ { "device", required_argument, NULL, 'd' },
{ NULL, 0, NULL, 0 }
};
char *host = NULL;
@@ -211,7 +216,7 @@ int usbip_attach(int argc, char *argv[])
int ret = -1;
for (;;) {
- opt = getopt_long(argc, argv, "r:b:", opts, NULL);
+ opt = getopt_long(argc, argv, "d:r:b:", opts, NULL);
if (opt == -1)
break;
@@ -220,6 +225,7 @@ int usbip_attach(int argc, char *argv[])
case 'r':
host = optarg;
break;
+ case 'd':
case 'b':
busid = optarg;
break;
diff --git a/tools/usb/usbip/src/usbip_list.c b/tools/usb/usbip/src/usbip_list.c
index d5ce34a410e7..f1b38e866dd7 100644
--- a/tools/usb/usbip/src/usbip_list.c
+++ b/tools/usb/usbip/src/usbip_list.c
@@ -1,6 +1,9 @@
/*
* Copyright (C) 2011 matt mooney <mfm@muteddisk.com>
* 2005-2007 Takahiro Hirofuchi
+ * Copyright (C) 2015-2016 Samsung Electronics
+ * Igor Kotrasinski <i.kotrasinsk@samsung.com>
+ * Krzysztof Opasiak <k.opasiak@samsung.com>
*
* 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
@@ -30,6 +33,10 @@
#include <netdb.h>
#include <unistd.h>
+#include <dirent.h>
+
+#include <linux/usb/ch9.h>
+
#include "usbip_common.h"
#include "usbip_network.h"
#include "usbip.h"
@@ -205,8 +212,10 @@ static int list_devices(bool parsable)
/* Get device information. */
idVendor = udev_device_get_sysattr_value(dev, "idVendor");
idProduct = udev_device_get_sysattr_value(dev, "idProduct");
- bConfValue = udev_device_get_sysattr_value(dev, "bConfigurationValue");
- bNumIntfs = udev_device_get_sysattr_value(dev, "bNumInterfaces");
+ bConfValue = udev_device_get_sysattr_value(dev,
+ "bConfigurationValue");
+ bNumIntfs = udev_device_get_sysattr_value(dev,
+ "bNumInterfaces");
busid = udev_device_get_sysname(dev);
if (!idVendor || !idProduct || !bConfValue || !bNumIntfs) {
err("problem getting device attributes: %s",
@@ -237,12 +246,90 @@ err_out:
return ret;
}
+static int list_gadget_devices(bool parsable)
+{
+ int ret = -1;
+ struct udev *udev;
+ struct udev_enumerate *enumerate;
+ struct udev_list_entry *devices, *dev_list_entry;
+ struct udev_device *dev;
+ const char *path;
+ const char *driver;
+
+ const struct usb_device_descriptor *d_desc;
+ const char *descriptors;
+ char product_name[128];
+
+ uint16_t idVendor;
+ char idVendor_buf[8];
+ uint16_t idProduct;
+ char idProduct_buf[8];
+ const char *busid;
+
+ udev = udev_new();
+ enumerate = udev_enumerate_new(udev);
+
+ udev_enumerate_add_match_subsystem(enumerate, "platform");
+
+ udev_enumerate_scan_devices(enumerate);
+ devices = udev_enumerate_get_list_entry(enumerate);
+
+ udev_list_entry_foreach(dev_list_entry, devices) {
+ path = udev_list_entry_get_name(dev_list_entry);
+ dev = udev_device_new_from_syspath(udev, path);
+
+ driver = udev_device_get_driver(dev);
+ /* We only have mechanism to enumerate gadgets bound to vudc */
+ if (driver == NULL || strcmp(driver, USBIP_DEVICE_DRV_NAME))
+ continue;
+
+ /* Get device information. */
+ descriptors = udev_device_get_sysattr_value(dev,
+ VUDC_DEVICE_DESCR_FILE);
+
+ if (!descriptors) {
+ err("problem getting device attributes: %s",
+ strerror(errno));
+ goto err_out;
+ }
+
+ d_desc = (const struct usb_device_descriptor *) descriptors;
+
+ idVendor = le16toh(d_desc->idVendor);
+ sprintf(idVendor_buf, "0x%4x", idVendor);
+ idProduct = le16toh(d_desc->idProduct);
+ sprintf(idProduct_buf, "0x%4x", idVendor);
+ busid = udev_device_get_sysname(dev);
+
+ /* Get product name. */
+ usbip_names_get_product(product_name, sizeof(product_name),
+ le16toh(idVendor),
+ le16toh(idProduct));
+
+ /* Print information. */
+ print_device(busid, idVendor_buf, idProduct_buf, parsable);
+ print_product_name(product_name, parsable);
+
+ printf("\n");
+
+ udev_device_unref(dev);
+ }
+ ret = 0;
+
+err_out:
+ udev_enumerate_unref(enumerate);
+ udev_unref(udev);
+
+ 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' },
+ { "device", no_argument, NULL, 'd' },
{ NULL, 0, NULL, 0 }
};
@@ -254,7 +341,7 @@ int usbip_list(int argc, char *argv[])
err("failed to open %s", USBIDS_FILE);
for (;;) {
- opt = getopt_long(argc, argv, "pr:l", opts, NULL);
+ opt = getopt_long(argc, argv, "pr:ld", opts, NULL);
if (opt == -1)
break;
@@ -269,6 +356,9 @@ int usbip_list(int argc, char *argv[])
case 'l':
ret = list_devices(parsable);
goto out;
+ case 'd':
+ ret = list_gadget_devices(parsable);
+ goto out;
default:
goto err_out;
}
diff --git a/tools/usb/usbip/src/usbipd.c b/tools/usb/usbip/src/usbipd.c
index 8a2ec4dab4bd..a0972dea9e6c 100644
--- a/tools/usb/usbip/src/usbipd.c
+++ b/tools/usb/usbip/src/usbipd.c
@@ -45,6 +45,7 @@
#include "usbip_host_driver.h"
#include "usbip_host_common.h"
+#include "usbip_device_driver.h"
#include "usbip_common.h"
#include "usbip_network.h"
#include "list.h"
@@ -68,6 +69,11 @@ static const char usbipd_help_string[] =
" -6, --ipv6\n"
" Bind to IPv6. Default is both.\n"
"\n"
+ " -e, --device\n"
+ " Run in device mode.\n"
+ " Rather than drive an attached device, create\n"
+ " a virtual UDC to bind gadgets to.\n"
+ "\n"
" -D, --daemon\n"
" Run as a daemon process.\n"
"\n"
@@ -590,6 +596,7 @@ int main(int argc, char *argv[])
{ "daemon", no_argument, NULL, 'D' },
{ "daemon", no_argument, NULL, 'D' },
{ "debug", no_argument, NULL, 'd' },
+ { "device", no_argument, NULL, 'e' },
{ "pid", optional_argument, NULL, 'P' },
{ "tcp-port", required_argument, NULL, 't' },
{ "help", no_argument, NULL, 'h' },
@@ -618,7 +625,7 @@ int main(int argc, char *argv[])
cmd = cmd_standalone_mode;
driver = &host_driver;
for (;;) {
- opt = getopt_long(argc, argv, "46DdP::t:hv", longopts, NULL);
+ opt = getopt_long(argc, argv, "46DdeP::t:hv", longopts, NULL);
if (opt == -1)
break;
@@ -648,6 +655,9 @@ int main(int argc, char *argv[])
case 'v':
cmd = cmd_version;
break;
+ case 'e':
+ driver = &device_driver;
+ break;
case '?':
usbipd_help();
default: