linux-stable/virt/kvm/coalesced_mmio.h
Marcelo Tosatti 64a2268dcf KVM: move coalesced_mmio locking to its own device
Move coalesced_mmio locking to its own device, instead of relying on
kvm->lock.

Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
2009-09-10 08:32:49 +03:00

24 lines
670 B
C

/*
* KVM coalesced MMIO
*
* Copyright (c) 2008 Bull S.A.S.
*
* Author: Laurent Vivier <Laurent.Vivier@bull.net>
*
*/
#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);
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);