root/arch/arm64/include/asm/kvm_mmio.h

INCLUDED FROM

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  * Copyright (C) 2012 - Virtual Open Systems and Columbia University
   4  * Author: Christoffer Dall <c.dall@virtualopensystems.com>
   5  */
   6 
   7 #ifndef __ARM64_KVM_MMIO_H__
   8 #define __ARM64_KVM_MMIO_H__
   9 
  10 #include <linux/kvm_host.h>
  11 #include <asm/kvm_arm.h>
  12 
  13 struct kvm_decode {
  14         unsigned long rt;
  15         bool sign_extend;
  16         /* Witdth of the register accessed by the faulting instruction is 64-bits */
  17         bool sixty_four;
  18 };
  19 
  20 void kvm_mmio_write_buf(void *buf, unsigned int len, unsigned long data);
  21 unsigned long kvm_mmio_read_buf(const void *buf, unsigned int len);
  22 
  23 int kvm_handle_mmio_return(struct kvm_vcpu *vcpu, struct kvm_run *run);
  24 int io_mem_abort(struct kvm_vcpu *vcpu, struct kvm_run *run,
  25                  phys_addr_t fault_ipa);
  26 
  27 #endif  /* __ARM64_KVM_MMIO_H__ */