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-rw-r--r--tools/usb/usbip/libsrc/Makefile.am1
-rw-r--r--tools/usb/usbip/libsrc/usbip_common.h3
-rw-r--r--tools/usb/usbip/libsrc/usbip_device_driver.c163
-rw-r--r--tools/usb/usbip/libsrc/usbip_device_driver.h34
4 files changed, 201 insertions, 0 deletions
diff --git a/tools/usb/usbip/libsrc/Makefile.am b/tools/usb/usbip/libsrc/Makefile.am
index eb62f99cc0ee..90daf95c0804 100644
--- a/tools/usb/usbip/libsrc/Makefile.am
+++ b/tools/usb/usbip/libsrc/Makefile.am
@@ -4,6 +4,7 @@ libusbip_la_LDFLAGS = -version-info @LIBUSBIP_VERSION@
lib_LTLIBRARIES := libusbip.la
libusbip_la_SOURCES := names.c names.h usbip_host_driver.c usbip_host_driver.h \
+ usbip_device_driver.c usbip_device_driver.h \
usbip_common.c usbip_common.h usbip_host_common.h \
usbip_host_common.c vhci_driver.c vhci_driver.h \
sysfs_utils.c sysfs_utils.h
diff --git a/tools/usb/usbip/libsrc/usbip_common.h b/tools/usb/usbip/libsrc/usbip_common.h
index 15fe792e1e96..51ef5fe485dd 100644
--- a/tools/usb/usbip/libsrc/usbip_common.h
+++ b/tools/usb/usbip/libsrc/usbip_common.h
@@ -25,9 +25,12 @@
#define VHCI_STATE_PATH "/var/run/vhci_hcd"
#endif
+#define VUDC_DEVICE_DESCR_FILE "dev_desc"
+
/* kernel module names */
#define USBIP_CORE_MOD_NAME "usbip-core"
#define USBIP_HOST_DRV_NAME "usbip-host"
+#define USBIP_DEVICE_DRV_NAME "usbip-vudc"
#define USBIP_VHCI_DRV_NAME "vhci_hcd"
/* sysfs constants */
diff --git a/tools/usb/usbip/libsrc/usbip_device_driver.c b/tools/usb/usbip/libsrc/usbip_device_driver.c
new file mode 100644
index 000000000000..e059b7d1ec5b
--- /dev/null
+++ b/tools/usb/usbip/libsrc/usbip_device_driver.c
@@ -0,0 +1,163 @@
+/*
+ * Copyright (C) 2015 Karol Kosik <karo9@interia.eu>
+ * 2015 Samsung Electronics
+ * Author: Igor Kotrasinski <i.kotrasinsk@samsung.com>
+ *
+ * Based on tools/usb/usbip/libsrc/usbip_host_driver.c, which is:
+ * 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 <fcntl.h>
+#include <string.h>
+#include <linux/usb/ch9.h>
+
+#include <unistd.h>
+
+#include "usbip_host_common.h"
+#include "usbip_device_driver.h"
+
+#undef PROGNAME
+#define PROGNAME "libusbip"
+
+#define copy_descr_attr16(dev, descr, attr) \
+ ((dev)->attr = le16toh((descr)->attr)) \
+
+#define copy_descr_attr(dev, descr, attr) \
+ ((dev)->attr = (descr)->attr) \
+
+#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
+
+static struct {
+ enum usb_device_speed speed;
+ const char *name;
+} speed_names[] = {
+ {
+ .speed = USB_SPEED_UNKNOWN,
+ .name = "UNKNOWN",
+ },
+ {
+ .speed = USB_SPEED_LOW,
+ .name = "low-speed",
+ },
+ {
+ .speed = USB_SPEED_FULL,
+ .name = "full-speed",
+ },
+ {
+ .speed = USB_SPEED_HIGH,
+ .name = "high-speed",
+ },
+ {
+ .speed = USB_SPEED_WIRELESS,
+ .name = "wireless",
+ },
+ {
+ .speed = USB_SPEED_SUPER,
+ .name = "super-speed",
+ },
+};
+
+static
+int read_usb_vudc_device(struct udev_device *sdev, struct usbip_usb_device *dev)
+{
+ const char *path, *name;
+ char filepath[SYSFS_PATH_MAX];
+ struct usb_device_descriptor descr;
+ unsigned i;
+ FILE *fd = NULL;
+ struct udev_device *plat;
+ const char *speed;
+ int ret = 0;
+
+ plat = udev_device_get_parent(sdev);
+ path = udev_device_get_syspath(plat);
+ snprintf(filepath, SYSFS_PATH_MAX, "%s/%s",
+ path, VUDC_DEVICE_DESCR_FILE);
+ fd = fopen(filepath, "r");
+ if (!fd)
+ return -1;
+ ret = fread((char *) &descr, sizeof(descr), 1, fd);
+ if (ret < 0)
+ return -1;
+ fclose(fd);
+
+ copy_descr_attr(dev, &descr, bDeviceClass);
+ copy_descr_attr(dev, &descr, bDeviceSubClass);
+ copy_descr_attr(dev, &descr, bDeviceProtocol);
+ copy_descr_attr(dev, &descr, bNumConfigurations);
+ copy_descr_attr16(dev, &descr, idVendor);
+ copy_descr_attr16(dev, &descr, idProduct);
+ copy_descr_attr16(dev, &descr, bcdDevice);
+
+ strncpy(dev->path, path, SYSFS_PATH_MAX);
+
+ dev->speed = USB_SPEED_UNKNOWN;
+ speed = udev_device_get_sysattr_value(sdev, "current_speed");
+ if (speed) {
+ for (i = 0; i < ARRAY_SIZE(speed_names); i++) {
+ if (!strcmp(speed_names[i].name, speed)) {
+ dev->speed = speed_names[i].speed;
+ break;
+ }
+ }
+ }
+
+ /* Only used for user output, little sense to output them in general */
+ dev->bNumInterfaces = 0;
+ dev->bConfigurationValue = 0;
+ dev->busnum = 0;
+
+ name = udev_device_get_sysname(plat);
+ strncpy(dev->busid, name, SYSFS_BUS_ID_SIZE);
+ return 0;
+}
+
+static int is_my_device(struct udev_device *dev)
+{
+ const char *driver;
+
+ driver = udev_device_get_property_value(dev, "USB_UDC_NAME");
+ return driver != NULL && !strcmp(driver, USBIP_DEVICE_DRV_NAME);
+}
+
+static int usbip_device_driver_open(struct usbip_host_driver *hdriver)
+{
+ int ret;
+
+ hdriver->ndevs = 0;
+ INIT_LIST_HEAD(&hdriver->edev_list);
+
+ ret = usbip_generic_driver_open(hdriver);
+ if (ret)
+ err("please load " USBIP_CORE_MOD_NAME ".ko and "
+ USBIP_DEVICE_DRV_NAME ".ko!");
+
+ return ret;
+}
+
+struct usbip_host_driver device_driver = {
+ .edev_list = LIST_HEAD_INIT(device_driver.edev_list),
+ .udev_subsystem = "udc",
+ .ops = {
+ .open = usbip_device_driver_open,
+ .close = usbip_generic_driver_close,
+ .refresh_device_list = usbip_generic_refresh_device_list,
+ .get_device = usbip_generic_get_device,
+ .read_device = read_usb_vudc_device,
+ .is_my_device = is_my_device,
+ },
+};
diff --git a/tools/usb/usbip/libsrc/usbip_device_driver.h b/tools/usb/usbip/libsrc/usbip_device_driver.h
new file mode 100644
index 000000000000..54cb658b37a3
--- /dev/null
+++ b/tools/usb/usbip/libsrc/usbip_device_driver.h
@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) 2015 Karol Kosik <karo9@interia.eu>
+ * 2015 Samsung Electronics
+ * Author: Igor Kotrasinski <i.kotrasinsk@samsung.com>
+ *
+ * Based on tools/usb/usbip/libsrc/usbip_host_driver.c, which is:
+ * 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/>.
+ */
+
+#ifndef __USBIP_DEVICE_DRIVER_H
+#define __USBIP_DEVICE_DRIVER_H
+
+#include <stdint.h>
+#include "usbip_common.h"
+#include "usbip_host_common.h"
+#include "list.h"
+
+extern struct usbip_host_driver device_driver;
+
+#endif /* __USBIP_DEVICE_DRIVER_H */
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-20 04:37:33 +0000