xref: /openbmc/linux/virt/kvm/coalesced_mmio.h (revision 9cfc5c90)
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 #include <linux/list.h>
16 
17 struct kvm_coalesced_mmio_dev {
18 	struct list_head list;
19 	struct kvm_io_device dev;
20 	struct kvm *kvm;
21 	struct kvm_coalesced_mmio_zone zone;
22 };
23 
24 int kvm_coalesced_mmio_init(struct kvm *kvm);
25 void kvm_coalesced_mmio_free(struct kvm *kvm);
26 int kvm_vm_ioctl_register_coalesced_mmio(struct kvm *kvm,
27 					struct kvm_coalesced_mmio_zone *zone);
28 int kvm_vm_ioctl_unregister_coalesced_mmio(struct kvm *kvm,
29 					struct kvm_coalesced_mmio_zone *zone);
30 
31 #else
32 
33 static inline int kvm_coalesced_mmio_init(struct kvm *kvm) { return 0; }
34 static inline void kvm_coalesced_mmio_free(struct kvm *kvm) { }
35 
36 #endif
37 
38 #endif
39