/*
 * 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.
 *
 * 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 __KVM_IODEV_H__
#define __KVM_IODEV_H__

#include <linux/kvm_types.h>
#include <linux/errno.h>

struct kvm_io_device;
struct kvm_vcpu;

/**
 * kvm_io_device_ops are called under kvm slots_lock.
 * read and write handlers return 0 if the transaction has been handled,
 * or non-zero to have it passed to the next device.
 **/
struct kvm_io_device_ops {
	int (*read)(struct kvm_vcpu *vcpu,
		    struct kvm_io_device *this,
		    gpa_t addr,
		    int len,
		    void *val);
	int (*write)(struct kvm_vcpu *vcpu,
		     struct kvm_io_device *this,
		     gpa_t addr,
		     int len,
		     const void *val);
	void (*destructor)(struct kvm_io_device *this);
};


struct kvm_io_device {
	const struct kvm_io_device_ops *ops;
};

static inline void kvm_iodevice_init(struct kvm_io_device *dev,
				     const struct kvm_io_device_ops *ops)
{
	dev->ops = ops;
}

static inline int kvm_iodevice_read(struct kvm_vcpu *vcpu,
				    struct kvm_io_device *dev, gpa_t addr,
				    int l, void *v)
{
	return dev->ops->read ? dev->ops->read(vcpu, dev, addr, l, v)
				: -EOPNOTSUPP;
}

static inline int kvm_iodevice_write(struct kvm_vcpu *vcpu,
				     struct kvm_io_device *dev, gpa_t addr,
				     int l, const void *v)
{
	return dev->ops->write ? dev->ops->write(vcpu, dev, addr, l, v)
				 : -EOPNOTSUPP;
}

static inline void kvm_iodevice_destructor(struct kvm_io_device *dev)
{
	if (dev->ops->destructor)
		dev->ops->destructor(dev);
}

#endif /* __KVM_IODEV_H__ */
.git/log/'>
<input type='hidden' name='id' value='c483e06506b8614220ed036319fc4c7af787f602'/><select name='qt'>
<option value='grep'>log msg</option>
<option value='author'>author</option>
<option value='committer'>committer</option>
<option value='range'>range</option>
</select>
<input class='txt' type='search' size='10' name='q' value=''/>
<input type='submit' value='search'/>
</form>
</td></tr></table>
<div class='content'><div class='cgit-panel'><b>diff options</b><form method='get'><input type='hidden' name='id' value='c483e06506b8614220ed036319fc4c7af787f602'/><table><tr><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>Gustavo Padovan &lt;gustavo.padovan@collabora.co.uk&gt;</td><td class='right'>2016-05-31 11:33:15 -0300</td></tr>
<tr><th>committer</th><td>Sumit Semwal &lt;sumit.semwal@linaro.org&gt;</td><td class='right'>2016-07-13 19:52:04 +0530</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/?id=c483e06506b8614220ed036319fc4c7af787f602'>c483e06506b8614220ed036319fc4c7af787f602</a> (<a href='/cgit.cgi/linux/net-next.git/patch/?id=c483e06506b8614220ed036319fc4c7af787f602'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?id=c483e06506b8614220ed036319fc4c7af787f602'>0131f0cff7977121b47f5b9cd4644e076c787e8b</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/?id=11c21e73f848844d439cbccb42a1018b8c560e5c'>11c21e73f848844d439cbccb42a1018b8c560e5c</a> (<a href='/cgit.cgi/linux/net-next.git/diff/?id=c483e06506b8614220ed036319fc4c7af787f602&amp;id2=11c21e73f848844d439cbccb42a1018b8c560e5c'>diff</a>)</td></tr></table>
<div class='commit-subject'>MAINTAINERS: add entry for the Sync File Framework</div><div class='commit-msg'>Add Gustavo as maintainer for the Sync File Framework. Sumit is
co-maintainer as he maintains drivers/dma-buf/. It also uses Sumit's
tree as base.

Signed-off-by: Gustavo Padovan &lt;gustavo.padovan@collabora.co.uk&gt;
Acked-by: Sumit Semwal &lt;sumit.semwal@linaro.org&gt;
Acked-by: Maarten Lankhorst &lt;maarten.lankhorst@linux.intel.com&gt;
Signed-off-by: Sumit Semwal &lt;sumit.semwal@linaro.org&gt;
</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?id=c483e06506b8614220ed036319fc4c7af787f602'>Diffstat</a></div><table summary='diffstat' class='diffstat'>