/*
 * 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__ */
inux/net-next.git/commit/include/dt-bindings/interrupt-controller/irq-st.h?h=nds-private-remove&amp;id=8708ecf01d454607f15fe1b378c8b88de3b9c34b'>commit</a><a href='/cgit.cgi/linux/net-next.git/diff/include/dt-bindings/interrupt-controller/irq-st.h?h=nds-private-remove&amp;id=8708ecf01d454607f15fe1b378c8b88de3b9c34b'>diff</a></td><td class='form'><form class='right' method='get' action='/cgit.cgi/linux/net-next.git/log/include/dt-bindings/interrupt-controller/irq-st.h'>
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<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/log/?h=nds-private-remove&amp;id=8708ecf01d454607f15fe1b378c8b88de3b9c34b'>root</a>/<a href='/cgit.cgi/linux/net-next.git/log/include?h=nds-private-remove&amp;id=8708ecf01d454607f15fe1b378c8b88de3b9c34b'>include</a>/<a href='/cgit.cgi/linux/net-next.git/log/include/dt-bindings?h=nds-private-remove&amp;id=8708ecf01d454607f15fe1b378c8b88de3b9c34b'>dt-bindings</a>/<a href='/cgit.cgi/linux/net-next.git/log/include/dt-bindings/interrupt-controller?h=nds-private-remove&amp;id=8708ecf01d454607f15fe1b378c8b88de3b9c34b'>interrupt-controller</a>/<a href='/cgit.cgi/linux/net-next.git/log/include/dt-bindings/interrupt-controller/irq-st.h?h=nds-private-remove&amp;id=8708ecf01d454607f15fe1b378c8b88de3b9c34b'>irq-st.h</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/cgit.cgi/linux/net-next.git/log/include/dt-bindings/interrupt-controller/irq-st.h?h=nds-private-remove&amp;id=8708ecf01d454607f15fe1b378c8b88de3b9c34b&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th><th class='left'>Files</th><th class='left'>Lines</th></tr>
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<tr><th>author</th><td>David S. Miller &lt;davem@davemloft.net&gt;</td><td class='right'>2017-01-30 15:19:23 -0500</td></tr>
<tr><th>committer</th><td>David S. Miller &lt;davem@davemloft.net&gt;</td><td class='right'>2017-01-30 15:19:23 -0500</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/?h=nds-private-remove&amp;id=051a2e0860cd1554fda6beba36487b23252fd3c6'>051a2e0860cd1554fda6beba36487b23252fd3c6</a> (<a href='/cgit.cgi/linux/net-next.git/patch/?id=051a2e0860cd1554fda6beba36487b23252fd3c6'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?h=nds-private-remove&amp;id=051a2e0860cd1554fda6beba36487b23252fd3c6'>9032e9f090b1d25dc801af0b277debbaf3426ec2</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/?h=nds-private-remove&amp;id=4af0e5bb95ee3ba5ea4bd7dbb94e1648a5279cc9'>4af0e5bb95ee3ba5ea4bd7dbb94e1648a5279cc9</a> (<a href='/cgit.cgi/linux/net-next.git/diff/?h=nds-private-remove&amp;id=051a2e0860cd1554fda6beba36487b23252fd3c6&amp;id2=4af0e5bb95ee3ba5ea4bd7dbb94e1648a5279cc9'>diff</a>)</td></tr><tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/?h=nds-private-remove&amp;id=2b1d530cb3157f828fcaadd259613f59db3c6d1c'>2b1d530cb3157f828fcaadd259613f59db3c6d1c</a> (<a href='/cgit.cgi/linux/net-next.git/diff/?h=nds-private-remove&amp;id=051a2e0860cd1554fda6beba36487b23252fd3c6&amp;id2=2b1d530cb3157f828fcaadd259613f59db3c6d1c'>diff</a>)</td></tr></table>
<div class='commit-subject'>Merge tag 'wireless-drivers-for-davem-2017-01-29' of git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers</div><div class='commit-msg'>Kalle Valo says:

====================
wireless-drivers fixes for 4.10

Most important here are fixes to two iwlwifi crashes, but there's also
a firmware naming fix for iwlwifi and a revert of an older bcma patch.
====================

Signed-off-by: David S. Miller &lt;davem@davemloft.net&gt;
</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?h=nds-private-remove&amp;id=051a2e0860cd1554fda6beba36487b23252fd3c6'>Diffstat</a></div><table summary='diffstat' class='diffstat'>