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Diffstat (limited to 'target/i386/kvm/xen-emu.h')
| -rw-r--r-- | target/i386/kvm/xen-emu.h | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/target/i386/kvm/xen-emu.h b/target/i386/kvm/xen-emu.h new file mode 100644 index 0000000000..fe85e0b195 --- /dev/null +++ b/target/i386/kvm/xen-emu.h @@ -0,0 +1,33 @@ +/* + * Xen HVM emulation support in KVM + * + * Copyright © 2019 Oracle and/or its affiliates. All rights reserved. + * Copyright © 2022 Amazon.com, Inc. or its affiliates. All Rights Reserved. + * + * This work is licensed under the terms of the GNU GPL, version 2 or later. + * See the COPYING file in the top-level directory. + * + */ + +#ifndef QEMU_I386_KVM_XEN_EMU_H +#define QEMU_I386_KVM_XEN_EMU_H + +#define XEN_HYPERCALL_MSR 0x40000000 +#define XEN_HYPERCALL_MSR_HYPERV 0x40000200 + +#define XEN_CPUID_SIGNATURE 0 +#define XEN_CPUID_VENDOR 1 +#define XEN_CPUID_HVM_MSR 2 +#define XEN_CPUID_TIME 3 +#define XEN_CPUID_HVM 4 + +#define XEN_VERSION(maj, min) ((maj) << 16 | (min)) + +int kvm_xen_init(KVMState *s, uint32_t hypercall_msr); +int kvm_xen_init_vcpu(CPUState *cs); +int kvm_xen_handle_exit(X86CPU *cpu, struct kvm_xen_exit *exit); +int kvm_put_xen_state(CPUState *cs); +int kvm_get_xen_state(CPUState *cs); +void kvm_xen_maybe_deassert_callback(CPUState *cs); + +#endif /* QEMU_I386_KVM_XEN_EMU_H */ |