target/i386/kvm/xen-emu.h

   1 /*
   2  * Xen HVM emulation support in KVM
   3  *
   4  * Copyright © 2019 Oracle and/or its affiliates. All rights reserved.
   5  * Copyright © 2022 Amazon.com, Inc. or its affiliates. All Rights Reserved.
   6  *
   7  * This work is licensed under the terms of the GNU GPL, version 2 or later.
   8  * See the COPYING file in the top-level directory.
   9  *
  10  */
  11
  12 #ifndef QEMU_I386_KVM_XEN_EMU_H
  13 #define QEMU_I386_KVM_XEN_EMU_H
  14
  15 #define XEN_HYPERCALL_MSR               0x40000000
  16 #define XEN_HYPERCALL_MSR_HYPERV        0x40000200
  17
  18 #define XEN_CPUID_SIGNATURE        0
  19 #define XEN_CPUID_VENDOR           1
  20 #define XEN_CPUID_HVM_MSR          2
  21 #define XEN_CPUID_TIME             3
  22 #define XEN_CPUID_HVM              4
  23
  24 #define XEN_VERSION(maj, min) ((maj) << 16 | (min))
  25
  26 int kvm_xen_init(KVMState *s, uint32_t hypercall_msr);
  27 int kvm_xen_init_vcpu(CPUState *cs);
  28 int kvm_xen_handle_exit(X86CPU *cpu, struct kvm_xen_exit *exit);
  29 int kvm_put_xen_state(CPUState *cs);
  30 int kvm_get_xen_state(CPUState *cs);
  31 void kvm_xen_maybe_deassert_callback(CPUState *cs);
  32
  33 #endif /* QEMU_I386_KVM_XEN_EMU_H */