| 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 */ |