arch/arm64/include/asm/kvm_mmio.h

   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 /*
  14  * This is annoying. The mmio code requires this, even if we don't
  15  * need any decoding. To be fixed.
  16  */
  17 struct kvm_decode {
  18         unsigned long rt;
  19         bool sign_extend;
  20 };
  21
  22 void kvm_mmio_write_buf(void *buf, unsigned int len, unsigned long data);
  23 unsigned long kvm_mmio_read_buf(const void *buf, unsigned int len);
  24
  25 int kvm_handle_mmio_return(struct kvm_vcpu *vcpu, struct kvm_run *run);
  26 int io_mem_abort(struct kvm_vcpu *vcpu, struct kvm_run *run,
  27                  phys_addr_t fault_ipa);
  28
  29 #endif  /* __ARM64_KVM_MMIO_H__ */