| David Woodhouse | 61491cf | 2022-12-03 09:51:13 -0800 | [diff] [blame] | 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 | |
| Joao Martins | f66b8a8 | 2022-12-06 10:48:53 +0000 | [diff] [blame] | 15 | #define XEN_HYPERCALL_MSR 0x40000000 |
| 16 | #define XEN_HYPERCALL_MSR_HYPERV 0x40000200 |
| David Woodhouse | 61491cf | 2022-12-03 09:51:13 -0800 | [diff] [blame] | 17 | |
| Joao Martins | f66b8a8 | 2022-12-06 10:48:53 +0000 | [diff] [blame] | 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); |
| David Woodhouse | 5e691a9 | 2022-12-16 11:05:29 +0000 | [diff] [blame] | 27 | int kvm_xen_init_vcpu(CPUState *cs); |
| Joao Martins | 55a3f66 | 2018-06-13 10:14:31 -0400 | [diff] [blame] | 28 | int kvm_xen_handle_exit(X86CPU *cpu, struct kvm_xen_exit *exit); |
| Joao Martins | c345104 | 2018-06-29 10:54:50 -0400 | [diff] [blame] | 29 | int kvm_put_xen_state(CPUState *cs); |
| 30 | int kvm_get_xen_state(CPUState *cs); |
| David Woodhouse | ddf0fd9 | 2022-12-15 20:35:24 +0000 | [diff] [blame] | 31 | void kvm_xen_maybe_deassert_callback(CPUState *cs); |
| David Woodhouse | 61491cf | 2022-12-03 09:51:13 -0800 | [diff] [blame] | 32 | |
| 33 | #endif /* QEMU_I386_KVM_XEN_EMU_H */ |
