1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef __KVM_COALESCED_MMIO_H__
3 #define __KVM_COALESCED_MMIO_H__
4 
5 /*
6  * KVM coalesced MMIO
7  *
8  * Copyright (c) 2008 Bull S.A.S.
9  *
10  *  Author: Laurent Vivier <Laurent.Vivier@bull.net>
11  *
12  */
13 
14 #ifdef CONFIG_KVM_MMIO
15 
16 #include <linux/list.h>
17 
18 struct kvm_coalesced_mmio_dev {
19 	struct list_head list;
20 	struct kvm_io_device dev;
21 	struct kvm *kvm;
22 	struct kvm_coalesced_mmio_zone zone;
23 };
24 
25 int kvm_coalesced_mmio_init(struct kvm *kvm);
26 void kvm_coalesced_mmio_free(struct kvm *kvm);
27 int kvm_vm_ioctl_register_coalesced_mmio(struct kvm *kvm,
28 					struct kvm_coalesced_mmio_zone *zone);
29 int kvm_vm_ioctl_unregister_coalesced_mmio(struct kvm *kvm,
30 					struct kvm_coalesced_mmio_zone *zone);
31 
32 #else
33 
kvm_coalesced_mmio_init(struct kvm * kvm)34 static inline int kvm_coalesced_mmio_init(struct kvm *kvm) { return 0; }
kvm_coalesced_mmio_free(struct kvm * kvm)35 static inline void kvm_coalesced_mmio_free(struct kvm *kvm) { }
36 
37 #endif
38 
39 #endif
40