tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/*
2 * This program is free software; you can redistribute it and/or modify
3 * it under the terms of the GNU General Public License as published by
4 * the Free Software Foundation; either version 2 of the License.
5 *
6 * This program is distributed in the hope that it will be useful,
7 * but WITHOUT ANY WARRANTY; without even the implied warranty of
8 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
9 * GNU General Public License for more details.
10 *
11 * You should have received a copy of the GNU General Public License
12 * along with this program; if not, write to the Free Software
13 * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
14 */
15
16#ifndef __KVM_IODEV_H__
17#define __KVM_IODEV_H__
18
19#include <linux/kvm_types.h>
20
21struct kvm_io_device {
22 void (*read)(struct kvm_io_device *this,
23 gpa_t addr,
24 int len,
25 void *val);
26 void (*write)(struct kvm_io_device *this,
27 gpa_t addr,
28 int len,
29 const void *val);
30 int (*in_range)(struct kvm_io_device *this, gpa_t addr);
31 void (*destructor)(struct kvm_io_device *this);
32
33 void *private;
34};
35
36static inline void kvm_iodevice_read(struct kvm_io_device *dev,
37 gpa_t addr,
38 int len,
39 void *val)
40{
41 dev->read(dev, addr, len, val);
42}
43
44static inline void kvm_iodevice_write(struct kvm_io_device *dev,
45 gpa_t addr,
46 int len,
47 const void *val)
48{
49 dev->write(dev, addr, len, val);
50}
51
52static inline int kvm_iodevice_inrange(struct kvm_io_device *dev, gpa_t addr)
53{
54 return dev->in_range(dev, addr);
55}
56
57static inline void kvm_iodevice_destructor(struct kvm_io_device *dev)
58{
59 if (dev->destructor)
60 dev->destructor(dev);
61}
62
63#endif /* __KVM_IODEV_H__ */