LXR linux/arch/arm64/include/asm/kvm

   1/*
   2 * Copyright (C) 2012 - Virtual Open Systems and Columbia University
   3 * Author: Christoffer Dall <c.dall@virtualopensystems.com>
   4 *
   5 * This program is free software; you can redistribute it and/or modify
   6 * it under the terms of the GNU General Public License, version 2, as
   7 * published by the Free Software Foundation.
   8 *
   9 * This program is distributed in the hope that it will be useful,
  10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 * GNU General Public License for more details.
  13 *
  14 * You should have received a copy of the GNU General Public License
  15 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16 */
  17
  18#ifndef __ARM64_KVM_MMIO_H__
  19#define __ARM64_KVM_MMIO_H__
  20
  21#include <linux/kvm_host.h>
  22#include <asm/kvm_arm.h>
  23
  24/*
  25 * This is annoying. The mmio code requires this, even if we don't
  26 * need any decoding. To be fixed.
  27 */
  28struct kvm_decode {
  29        unsigned long rt;
  30        bool sign_extend;
  31};
  32
  33void kvm_mmio_write_buf(void *buf, unsigned int len, unsigned long data);
  34unsigned long kvm_mmio_read_buf(const void *buf, unsigned int len);
  35
  36int kvm_handle_mmio_return(struct kvm_vcpu *vcpu, struct kvm_run *run);
  37int io_mem_abort(struct kvm_vcpu *vcpu, struct kvm_run *run,
  38                 phys_addr_t fault_ipa);
  39
  40#endif  /* __ARM64_KVM_MMIO_H__ */
  41