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 17 struct 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 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 34 static inline int kvm_coalesced_mmio_init(struct kvm *kvm) { return 0; } 35 static inline void kvm_coalesced_mmio_free(struct kvm *kvm) { } 36 37 #endif 38 39 #endif 40