/*
 * Copyright (C) 2015-2016 Samsung Electronics
 *               Igor Kotrasinski <i.kotrasinsk@samsung.com>
 *               Krzysztof Opasiak <k.opasiak@samsung.com>
 *
 * Refactored from 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_HOST_COMMON_H
#define __USBIP_HOST_COMMON_H

#include <stdint.h>
#include <libudev.h>
#include <errno.h>
#include "list.h"
#include "usbip_common.h"
#include "sysfs_utils.h"

struct usbip_host_driver;

struct usbip_host_driver_ops {
	int (*open)(struct usbip_host_driver *hdriver);
	void (*close)(struct usbip_host_driver *hdriver);
	int (*refresh_device_list)(struct usbip_host_driver *hdriver);
	struct usbip_exported_device * (*get_device)(
		struct usbip_host_driver *hdriver, int num);

	int (*read_device)(struct udev_device *sdev,
			   struct usbip_usb_device *dev);
	int (*read_interface)(struct usbip_usb_device *udev, int i,
			      struct usbip_usb_interface *uinf);
	int (*is_my_device)(struct udev_device *udev);
};

struct usbip_host_driver {
	int ndevs;
	/* list of exported device */
	struct list_head edev_list;
	const char *udev_subsystem;
	struct usbip_host_driver_ops ops;
};

struct usbip_exported_device {
	struct udev_device *sudev;
	int32_t status;
	struct usbip_usb_device udev;
	struct list_head node;
	struct usbip_usb_interface uinf[];
};

/* External API to access the driver */
static inline int usbip_driver_open(struct usbip_host_driver *hdriver)
{
	if (!hdriver->ops.open)
		return -EOPNOTSUPP;
	return hdriver->ops.open(hdriver);
}

static inline void usbip_driver_close(struct usbip_host_driver *hdriver)
{
	if (!hdriver->ops.close)
		return;
	hdriver->ops.close(hdriver);
}

static inline int usbip_refresh_device_list(struct usbip_host_driver *hdriver)
{
	if (!hdriver->ops.refresh_device_list)
		return -EOPNOTSUPP;
	return hdriver->ops.refresh_device_list(hdriver);
}

static inline struct usbip_exported_device *
usbip_get_device(struct usbip_host_driver *hdriver, int num)
{
	if (!hdriver->ops.get_device)
		return NULL;
	return hdriver->ops.get_device(hdriver, num);
}

/* Helper functions for implementing driver backend */
int usbip_generic_driver_open(struct usbip_host_driver *hdriver);
void usbip_generic_driver_close(struct usbip_host_driver *hdriver);
int usbip_generic_refresh_device_list(struct usbip_host_driver *hdriver);
int usbip_export_device(struct usbip_exported_device *edev, int sockfd);
struct usbip_exported_device *usbip_generic_get_device(
		struct usbip_host_driver *hdriver, int num);

#endif /* __USBIP_HOST_COMMON_H */
><td colspan='2'/></tr><tr><td class='label'>context:</td><td class='ctrl'><select name='context' onchange='this.form.submit();'><option value='1'>1</option><option value='2'>2</option><option value='3' selected='selected'>3</option><option value='4'>4</option><option value='5'>5</option><option value='6'>6</option><option value='7'>7</option><option value='8'>8</option><option value='9'>9</option><option value='10'>10</option><option value='15'>15</option><option value='20'>20</option><option value='25'>25</option><option value='30'>30</option><option value='35'>35</option><option value='40'>40</option></select></td></tr><tr><td class='label'>space:</td><td class='ctrl'><select name='ignorews' onchange='this.form.submit();'><option value='0' selected='selected'>include</option><option value='1'>ignore</option></select></td></tr><tr><td class='label'>mode:</td><td class='ctrl'><select name='dt' onchange='this.form.submit();'><option value='0' selected='selected'>unified</option><option value='1'>ssdiff</option><option value='2'>stat only</option></select></td></tr><tr><td/><td class='ctrl'><noscript><input type='submit' value='reload'/></noscript></td></tr></table></form></div><table summary='commit info' class='commit-info'>
<tr><th>author</th><td>Linus Torvalds &lt;torvalds@linux-foundation.org&gt;</td><td class='right'>2016-12-30 09:29:50 -0800</td></tr>
<tr><th>committer</th><td>Linus Torvalds &lt;torvalds@linux-foundation.org&gt;</td><td class='right'>2016-12-30 09:29:50 -0800</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/sound/oss/dmasound?id=f3de082c12e5e9ff43c58a7561f6ec3272d03a48'>f3de082c12e5e9ff43c58a7561f6ec3272d03a48</a> (<a href='/cgit.cgi/linux/net-next.git/patch/sound/oss/dmasound?id=f3de082c12e5e9ff43c58a7561f6ec3272d03a48'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?id=f3de082c12e5e9ff43c58a7561f6ec3272d03a48'>8aa8afa56af93cb9f72997a57ee4db6330431f14</a> /<a href='/cgit.cgi/linux/net-next.git/tree/sound/oss/dmasound?id=f3de082c12e5e9ff43c58a7561f6ec3272d03a48'>sound/oss/dmasound</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/sound/oss/dmasound?id=98473f9f3f9bd404873cd1178c8be7d6d619f0d1'>98473f9f3f9bd404873cd1178c8be7d6d619f0d1</a> (<a href='/cgit.cgi/linux/net-next.git/diff/sound/oss/dmasound?id=f3de082c12e5e9ff43c58a7561f6ec3272d03a48&amp;id2=98473f9f3f9bd404873cd1178c8be7d6d619f0d1'>diff</a>)</td></tr><tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/sound/oss/dmasound?id=02608e02fbec04fccf2eb0cc8d8082f65c0a4286'>02608e02fbec04fccf2eb0cc8d8082f65c0a4286</a> (<a href='/cgit.cgi/linux/net-next.git/diff/sound/oss/dmasound?id=f3de082c12e5e9ff43c58a7561f6ec3272d03a48&amp;id2=02608e02fbec04fccf2eb0cc8d8082f65c0a4286'>diff</a>)</td></tr></table>
<div class='commit-subject'>Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6</div><div class='commit-msg'>Pull crypto fix from Herbert Xu:
 "This fixes a boot failure on some platforms when crypto self test is
  enabled along with the new acomp interface"

* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
  crypto: testmgr - Use heap buffer for acomp test input
</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?id=f3de082c12e5e9ff43c58a7561f6ec3272d03a48'>Diffstat</a> (limited to 'sound/oss/dmasound')</div><table summary='diffstat' class='diffstat'>