mtd: spear_smi: Fix Write Burst mode
[linux/fpc-iii.git] / arch / x86 / kvm / hyperv.h
blob757cb578101c0a738020f8a7a67e7a81f36c74d9
1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3 * KVM Microsoft Hyper-V emulation
5 * derived from arch/x86/kvm/x86.c
7 * Copyright (C) 2006 Qumranet, Inc.
8 * Copyright (C) 2008 Qumranet, Inc.
9 * Copyright IBM Corporation, 2008
10 * Copyright 2010 Red Hat, Inc. and/or its affiliates.
11 * Copyright (C) 2015 Andrey Smetanin <asmetanin@virtuozzo.com>
13 * Authors:
14 * Avi Kivity <avi@qumranet.com>
15 * Yaniv Kamay <yaniv@qumranet.com>
16 * Amit Shah <amit.shah@qumranet.com>
17 * Ben-Ami Yassour <benami@il.ibm.com>
18 * Andrey Smetanin <asmetanin@virtuozzo.com>
21 #ifndef __ARCH_X86_KVM_HYPERV_H__
22 #define __ARCH_X86_KVM_HYPERV_H__
24 #include <linux/kvm_host.h>
26 static inline struct kvm_vcpu_hv *vcpu_to_hv_vcpu(struct kvm_vcpu *vcpu)
28 return &vcpu->arch.hyperv;
31 static inline struct kvm_vcpu *hv_vcpu_to_vcpu(struct kvm_vcpu_hv *hv_vcpu)
33 struct kvm_vcpu_arch *arch;
35 arch = container_of(hv_vcpu, struct kvm_vcpu_arch, hyperv);
36 return container_of(arch, struct kvm_vcpu, arch);
39 static inline struct kvm_vcpu_hv_synic *vcpu_to_synic(struct kvm_vcpu *vcpu)
41 return &vcpu->arch.hyperv.synic;
44 static inline struct kvm_vcpu *synic_to_vcpu(struct kvm_vcpu_hv_synic *synic)
46 return hv_vcpu_to_vcpu(container_of(synic, struct kvm_vcpu_hv, synic));
49 int kvm_hv_set_msr_common(struct kvm_vcpu *vcpu, u32 msr, u64 data, bool host);
50 int kvm_hv_get_msr_common(struct kvm_vcpu *vcpu, u32 msr, u64 *pdata, bool host);
52 bool kvm_hv_hypercall_enabled(struct kvm *kvm);
53 int kvm_hv_hypercall(struct kvm_vcpu *vcpu);
55 void kvm_hv_irq_routing_update(struct kvm *kvm);
56 int kvm_hv_synic_set_irq(struct kvm *kvm, u32 vcpu_id, u32 sint);
57 void kvm_hv_synic_send_eoi(struct kvm_vcpu *vcpu, int vector);
58 int kvm_hv_activate_synic(struct kvm_vcpu *vcpu, bool dont_zero_synic_pages);
60 void kvm_hv_vcpu_init(struct kvm_vcpu *vcpu);
61 void kvm_hv_vcpu_postcreate(struct kvm_vcpu *vcpu);
62 void kvm_hv_vcpu_uninit(struct kvm_vcpu *vcpu);
64 bool kvm_hv_assist_page_enabled(struct kvm_vcpu *vcpu);
65 bool kvm_hv_get_assist_page(struct kvm_vcpu *vcpu,
66 struct hv_vp_assist_page *assist_page);
68 static inline struct kvm_vcpu_hv_stimer *vcpu_to_stimer(struct kvm_vcpu *vcpu,
69 int timer_index)
71 return &vcpu_to_hv_vcpu(vcpu)->stimer[timer_index];
74 static inline struct kvm_vcpu *stimer_to_vcpu(struct kvm_vcpu_hv_stimer *stimer)
76 struct kvm_vcpu_hv *hv_vcpu;
78 hv_vcpu = container_of(stimer - stimer->index, struct kvm_vcpu_hv,
79 stimer[0]);
80 return hv_vcpu_to_vcpu(hv_vcpu);
83 static inline bool kvm_hv_has_stimer_pending(struct kvm_vcpu *vcpu)
85 return !bitmap_empty(vcpu->arch.hyperv.stimer_pending_bitmap,
86 HV_SYNIC_STIMER_COUNT);
89 void kvm_hv_process_stimers(struct kvm_vcpu *vcpu);
91 void kvm_hv_setup_tsc_page(struct kvm *kvm,
92 struct pvclock_vcpu_time_info *hv_clock);
94 void kvm_hv_init_vm(struct kvm *kvm);
95 void kvm_hv_destroy_vm(struct kvm *kvm);
96 int kvm_vm_ioctl_hv_eventfd(struct kvm *kvm, struct kvm_hyperv_eventfd *args);
97 int kvm_vcpu_ioctl_get_hv_cpuid(struct kvm_vcpu *vcpu, struct kvm_cpuid2 *cpuid,
98 struct kvm_cpuid_entry2 __user *entries);
100 #endif