1#ifndef __KVM_COALESCED_MMIO_H__
2#define __KVM_COALESCED_MMIO_H__
3
4/*
5 * KVM coalesced MMIO
6 *
7 * Copyright (c) 2008 Bull S.A.S.
8 *
9 *  Author: Laurent Vivier <Laurent.Vivier@bull.net>
10 *
11 */
12
13#ifdef CONFIG_KVM_MMIO
14
15#define KVM_COALESCED_MMIO_ZONE_MAX 100
16
17struct kvm_coalesced_mmio_dev {
18	struct kvm_io_device dev;
19	struct kvm *kvm;
20	spinlock_t lock;
21	int nb_zones;
22	struct kvm_coalesced_mmio_zone zone[KVM_COALESCED_MMIO_ZONE_MAX];
23};
24
25int kvm_coalesced_mmio_init(struct kvm *kvm);
26void kvm_coalesced_mmio_free(struct kvm *kvm);
27int kvm_vm_ioctl_register_coalesced_mmio(struct kvm *kvm,
28                                       struct kvm_coalesced_mmio_zone *zone);
29int kvm_vm_ioctl_unregister_coalesced_mmio(struct kvm *kvm,
30                                         struct kvm_coalesced_mmio_zone *zone);
31
32#else
33
34static inline int kvm_coalesced_mmio_init(struct kvm *kvm) { return 0; }
35static inline void kvm_coalesced_mmio_free(struct kvm *kvm) { }
36
37#endif
38
39#endif
40