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#ifndef __KVM_COALESCED_MMIO_H__
#define __KVM_COALESCED_MMIO_H__
/*
* KVM coalesced MMIO
*
* Copyright (c) 2008 Bull S.A.S.
*
* Author: Laurent Vivier <Laurent.Vivier@bull.net>
*
*/
/* XXX Linux doesn't define these structures here so why do we? */
typedef struct kvm_coalesced_mmio_zone {
uint64_t addr;
uint32_t size;
uint32_t pad;
} kvm_coalesced_mmio_zone_t;
typedef struct kvm_coalesced_mmio_zone_ioc {
struct kvm_coalesced_mmio_zone zone;
int kvmid;
} kvm_coalesced_mmio_zone_ioc_t;
#ifdef CONFIG_KVM_MMIO
#define KVM_COALESCED_MMIO_ZONE_MAX 100
/* for KVM_REGISTER_COALESCED_MMIO / KVM_UNREGISTER_COALESCED_MMIO */
typedef struct kvm_coalesced_mmio_dev {
struct kvm_io_device dev;
struct kvm *kvm;
kmutex_t lock;
int nb_zones;
struct kvm_coalesced_mmio_zone zone[KVM_COALESCED_MMIO_ZONE_MAX];
} kvm_coalesced_mmio_dev_t;
extern int kvm_coalesced_mmio_init(struct kvm *);
extern void kvm_coalesced_mmio_free(struct kvm *);
extern int kvm_vm_ioctl_register_coalesced_mmio(struct kvm *,
struct kvm_coalesced_mmio_zone *);
extern int kvm_vm_ioctl_unregister_coalesced_mmio(struct kvm *,
struct kvm_coalesced_mmio_zone *);
#else
#error "CONFIG_KVM_MMIO must be suupported"
#endif /* CONFIG_KVM_MMIO */
#endif /* __KVM_COALESCED_MMIO_H__ */
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