Contributors: 9
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Gregory Haskins |
100 |
41.84% |
2 |
20.00% |
| Hollis Blanchard |
75 |
31.38% |
1 |
10.00% |
| Michael S. Tsirkin |
32 |
13.39% |
1 |
10.00% |
| Gleb Natapov |
20 |
8.37% |
1 |
10.00% |
| Nikolay Nikolaev |
7 |
2.93% |
1 |
10.00% |
| Laurent Vivier |
2 |
0.84% |
1 |
10.00% |
| Avi Kivity |
1 |
0.42% |
1 |
10.00% |
| Thomas Gleixner |
1 |
0.42% |
1 |
10.00% |
| Andre Przywara |
1 |
0.42% |
1 |
10.00% |
| Total |
239 |
|
10 |
|
/* SPDX-License-Identifier: GPL-2.0-only */
#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;
}
#endif /* __KVM_IODEV_H__ */