161491cf4SDavid Woodhouse /* 261491cf4SDavid Woodhouse * Xen HVM emulation support in KVM 361491cf4SDavid Woodhouse * 461491cf4SDavid Woodhouse * Copyright © 2019 Oracle and/or its affiliates. All rights reserved. 561491cf4SDavid Woodhouse * Copyright © 2022 Amazon.com, Inc. or its affiliates. All Rights Reserved. 661491cf4SDavid Woodhouse * 761491cf4SDavid Woodhouse * This work is licensed under the terms of the GNU GPL, version 2 or later. 861491cf4SDavid Woodhouse * See the COPYING file in the top-level directory. 961491cf4SDavid Woodhouse * 1061491cf4SDavid Woodhouse */ 1161491cf4SDavid Woodhouse 1261491cf4SDavid Woodhouse #ifndef QEMU_I386_KVM_XEN_EMU_H 1361491cf4SDavid Woodhouse #define QEMU_I386_KVM_XEN_EMU_H 1461491cf4SDavid Woodhouse 1561491cf4SDavid Woodhouse #define XEN_HYPERCALL_MSR 0x40000000 16f66b8a83SJoao Martins #define XEN_HYPERCALL_MSR_HYPERV 0x40000200 1761491cf4SDavid Woodhouse 18f66b8a83SJoao Martins #define XEN_CPUID_SIGNATURE 0 19f66b8a83SJoao Martins #define XEN_CPUID_VENDOR 1 20f66b8a83SJoao Martins #define XEN_CPUID_HVM_MSR 2 21f66b8a83SJoao Martins #define XEN_CPUID_TIME 3 22f66b8a83SJoao Martins #define XEN_CPUID_HVM 4 23f66b8a83SJoao Martins 24f66b8a83SJoao Martins #define XEN_VERSION(maj, min) ((maj) << 16 | (min)) 25f66b8a83SJoao Martins 26f66b8a83SJoao Martins int kvm_xen_init(KVMState *s, uint32_t hypercall_msr); 275e691a95SDavid Woodhouse int kvm_xen_init_vcpu(CPUState *cs); 2855a3f666SJoao Martins int kvm_xen_handle_exit(X86CPU *cpu, struct kvm_xen_exit *exit); 29c345104cSJoao Martins int kvm_put_xen_state(CPUState *cs); 30c345104cSJoao Martins int kvm_get_xen_state(CPUState *cs); 31*ddf0fd9aSDavid Woodhouse void kvm_xen_maybe_deassert_callback(CPUState *cs); 3261491cf4SDavid Woodhouse 3361491cf4SDavid Woodhouse #endif /* QEMU_I386_KVM_XEN_EMU_H */ 34