usbip: tools: Add vudc backend to usbip tools (7b3f74f7) · Commits · 戴 / test

tools/usb/usbip/libsrc/Makefile.am

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		@@ -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

tools/usb/usbip/libsrc/usbip_common.h

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		@@ -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 */

tools/usb/usbip/libsrc/usbip_device_driver.c

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		/*
		* 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,
		},
		};

tools/usb/usbip/libsrc/usbip_device_driver.h

0 → 100644

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		/*
		* 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 */

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