Commit | Line | Data |
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e83d5887 AS |
1 | /* |
2 | * KVM Microsoft Hyper-V emulation | |
3 | * | |
4 | * derived from arch/x86/kvm/x86.c | |
5 | * | |
6 | * Copyright (C) 2006 Qumranet, Inc. | |
7 | * Copyright (C) 2008 Qumranet, Inc. | |
8 | * Copyright IBM Corporation, 2008 | |
9 | * Copyright 2010 Red Hat, Inc. and/or its affiliates. | |
10 | * Copyright (C) 2015 Andrey Smetanin <asmetanin@virtuozzo.com> | |
11 | * | |
12 | * Authors: | |
13 | * Avi Kivity <avi@qumranet.com> | |
14 | * Yaniv Kamay <yaniv@qumranet.com> | |
15 | * Amit Shah <amit.shah@qumranet.com> | |
16 | * Ben-Ami Yassour <benami@il.ibm.com> | |
17 | * Andrey Smetanin <asmetanin@virtuozzo.com> | |
18 | * | |
19 | * This work is licensed under the terms of the GNU GPL, version 2. See | |
20 | * the COPYING file in the top-level directory. | |
21 | * | |
22 | */ | |
23 | ||
24 | #ifndef __ARCH_X86_KVM_HYPERV_H__ | |
25 | #define __ARCH_X86_KVM_HYPERV_H__ | |
26 | ||
0ae80384 | 27 | static inline struct kvm_vcpu_hv *vcpu_to_hv_vcpu(struct kvm_vcpu *vcpu) |
5c919412 | 28 | { |
0ae80384 | 29 | return &vcpu->arch.hyperv; |
5c919412 AS |
30 | } |
31 | ||
0ae80384 | 32 | static inline struct kvm_vcpu *hv_vcpu_to_vcpu(struct kvm_vcpu_hv *hv_vcpu) |
5c919412 | 33 | { |
5c919412 AS |
34 | struct kvm_vcpu_arch *arch; |
35 | ||
0ae80384 | 36 | arch = container_of(hv_vcpu, struct kvm_vcpu_arch, hyperv); |
5c919412 AS |
37 | return container_of(arch, struct kvm_vcpu, arch); |
38 | } | |
5c919412 | 39 | |
0ae80384 AS |
40 | static inline struct kvm_vcpu_hv_synic *vcpu_to_synic(struct kvm_vcpu *vcpu) |
41 | { | |
42 | return &vcpu->arch.hyperv.synic; | |
43 | } | |
44 | ||
45 | static inline struct kvm_vcpu *synic_to_vcpu(struct kvm_vcpu_hv_synic *synic) | |
46 | { | |
47 | return hv_vcpu_to_vcpu(container_of(synic, struct kvm_vcpu_hv, synic)); | |
48 | } | |
49 | ||
e18eaeed AS |
50 | int kvm_hv_set_msr_common(struct kvm_vcpu *vcpu, u32 msr, u64 data, bool host); |
51 | int kvm_hv_get_msr_common(struct kvm_vcpu *vcpu, u32 msr, u64 *pdata); | |
52 | ||
53 | bool kvm_hv_hypercall_enabled(struct kvm *kvm); | |
54 | int kvm_hv_hypercall(struct kvm_vcpu *vcpu); | |
5c919412 | 55 | |
e18eaeed AS |
56 | void kvm_hv_irq_routing_update(struct kvm *kvm); |
57 | int kvm_hv_synic_set_irq(struct kvm *kvm, u32 vcpu_id, u32 sint); | |
58 | void kvm_hv_synic_send_eoi(struct kvm_vcpu *vcpu, int vector); | |
5c919412 AS |
59 | int kvm_hv_activate_synic(struct kvm_vcpu *vcpu); |
60 | ||
e18eaeed | 61 | void kvm_hv_vcpu_init(struct kvm_vcpu *vcpu); |
1f4b34f8 AS |
62 | void kvm_hv_vcpu_uninit(struct kvm_vcpu *vcpu); |
63 | ||
64 | static inline struct kvm_vcpu_hv_stimer *vcpu_to_stimer(struct kvm_vcpu *vcpu, | |
65 | int timer_index) | |
66 | { | |
67 | return &vcpu_to_hv_vcpu(vcpu)->stimer[timer_index]; | |
68 | } | |
69 | ||
70 | static inline struct kvm_vcpu *stimer_to_vcpu(struct kvm_vcpu_hv_stimer *stimer) | |
71 | { | |
72 | struct kvm_vcpu_hv *hv_vcpu; | |
73 | ||
74 | hv_vcpu = container_of(stimer - stimer->index, struct kvm_vcpu_hv, | |
75 | stimer[0]); | |
76 | return hv_vcpu_to_vcpu(hv_vcpu); | |
77 | } | |
78 | ||
79 | static inline bool kvm_hv_has_stimer_pending(struct kvm_vcpu *vcpu) | |
80 | { | |
81 | return !bitmap_empty(vcpu->arch.hyperv.stimer_pending_bitmap, | |
82 | HV_SYNIC_STIMER_COUNT); | |
83 | } | |
84 | ||
85 | void kvm_hv_process_stimers(struct kvm_vcpu *vcpu); | |
e18eaeed | 86 | |
e83d5887 | 87 | #endif |