/* * 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, write to the Free Software * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */#ifndef __KVM_IODEV_H__#define __KVM_IODEV_H__#include <linux/kernel.h>#include <linux/kvm_types.h>#include <asm/errno.h>struct kvm_io_device;/** * 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_io_device *this, gpa_t addr, int len, void *val); int (*write)(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_io_device *dev, gpa_t addr, int l, void *v){// printk("[VIK] kvm_iodevice_read: addr=0x%08x,len=%i\n",addr,l); return dev->ops->read ? dev->ops->read(dev, addr, l, v) : -EOPNOTSUPP;}static inline int kvm_iodevice_write(struct kvm_io_device *dev, gpa_t addr, int l, const void *v){// printk("[VIK] kvm_iodevice_write: addr=0x%08x,len=%i\n",addr,l);// int abc;// for(abc=0;abc<l;abc++){// printk("%0hhX ",((char*)v)[abc]);// }// printk("\n"); return dev->ops->write ? dev->ops->write(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__ */