virt/kvm/coalesced_mmio.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef __KVM_COALESCED_MMIO_H__
   3 #define __KVM_COALESCED_MMIO_H__
   4
   5 /*
   6  * KVM coalesced MMIO
   7  *
   8  * Copyright (c) 2008 Bull S.A.S.
   9  *
  10  *  Author: Laurent Vivier <Laurent.Vivier@bull.net>
  11  *
  12  */
  13
  14 #ifdef CONFIG_KVM_MMIO
  15
  16 #include <linux/list.h>
  17
  18 struct kvm_coalesced_mmio_dev {
  19         struct list_head list;
  20         struct kvm_io_device dev;
  21         struct kvm *kvm;
  22         struct kvm_coalesced_mmio_zone zone;
  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