Release 4.14 include/kvm/iodev.h
/*
* 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;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Gregory Haskins | 24 | 100.00% | 1 | 100.00% |
| Total | 24 | 100.00% | 1 | 100.00% |
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;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Hollis Blanchard | 29 | 53.70% | 1 | 25.00% |
| Michael S. Tsirkin | 16 | 29.63% | 1 | 25.00% |
| Nikolay Nikolaev | 7 | 12.96% | 1 | 25.00% |
| Gregory Haskins | 2 | 3.70% | 1 | 25.00% |
| Total | 54 | 100.00% | 4 | 100.00% |
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;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Hollis Blanchard | 31 | 56.36% | 1 | 20.00% |
| Michael S. Tsirkin | 11 | 20.00% | 1 | 20.00% |
| Nikolay Nikolaev | 7 | 12.73% | 1 | 20.00% |
| Gregory Haskins | 4 | 7.27% | 1 | 20.00% |
| Laurent Vivier | 2 | 3.64% | 1 | 20.00% |
| Total | 55 | 100.00% | 5 | 100.00% |
static inline void kvm_iodevice_destructor(struct kvm_io_device *dev)
{
if (dev->ops->destructor)
dev->ops->destructor(dev);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Hollis Blanchard | 25 | 86.21% | 1 | 50.00% |
| Gregory Haskins | 4 | 13.79% | 1 | 50.00% |
| Total | 29 | 100.00% | 2 | 100.00% |
#endif /* __KVM_IODEV_H__ */
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Hollis Blanchard | 157 | 58.58% | 1 | 14.29% |
| Gregory Haskins | 47 | 17.54% | 1 | 14.29% |
| Michael S. Tsirkin | 32 | 11.94% | 1 | 14.29% |
| Nikolay Nikolaev | 27 | 10.07% | 1 | 14.29% |
| Laurent Vivier | 2 | 0.75% | 1 | 14.29% |
| Andre Przywara | 2 | 0.75% | 1 | 14.29% |
| Avi Kivity | 1 | 0.37% | 1 | 14.29% |
| Total | 268 | 100.00% | 7 | 100.00% |
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