| Server IP : 49.231.201.246 / Your IP : 216.73.216.149 Web Server : Apache/2.4.18 (Ubuntu) System : Linux 246 4.4.0-210-generic #242-Ubuntu SMP Fri Apr 16 09:57:56 UTC 2021 x86_64 User : root ( 0) PHP Version : 7.0.33-0ubuntu0.16.04.16 Disable Function : exec,passthru,shell_exec,system,proc_open,popen,pcntl_exec MySQL : OFF | cURL : ON | WGET : ON | Perl : ON | Python : ON | Sudo : ON | Pkexec : ON Directory : /lib/modules/4.4.0-210-generic/build/include/kvm/ |
Upload File : |
/*
* 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__ */