android_kernel_xiaomi_sm8350/virt/kvm/coalesced_mmio.h
Avi Kivity 980da6ce57 KVM: Simplify coalesced mmio initialization
- add destructor function
- move related allocation into constructor
- add stubs for !CONFIG_KVM_MMIO

Signed-off-by: Avi Kivity <avi@redhat.com>
2010-03-01 12:35:41 -03:00

40 lines
969 B
C

#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>
*
*/
#ifdef CONFIG_KVM_MMIO
#define KVM_COALESCED_MMIO_ZONE_MAX 100
struct kvm_coalesced_mmio_dev {
struct kvm_io_device dev;
struct kvm *kvm;
spinlock_t lock;
int nb_zones;
struct kvm_coalesced_mmio_zone zone[KVM_COALESCED_MMIO_ZONE_MAX];
};
int kvm_coalesced_mmio_init(struct kvm *kvm);
void kvm_coalesced_mmio_free(struct kvm *kvm);
int kvm_vm_ioctl_register_coalesced_mmio(struct kvm *kvm,
struct kvm_coalesced_mmio_zone *zone);
int kvm_vm_ioctl_unregister_coalesced_mmio(struct kvm *kvm,
struct kvm_coalesced_mmio_zone *zone);
#else
static inline int kvm_coalesced_mmio_init(struct kvm *kvm) { return 0; }
static inline void kvm_coalesced_mmio_free(struct kvm *kvm) { }
#endif
#endif