hyperv.h 3.0 KB

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  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. #ifndef __ARCH_X86_KVM_HYPERV_H__
  24. #define __ARCH_X86_KVM_HYPERV_H__
  25. static inline struct kvm_vcpu_hv *vcpu_to_hv_vcpu(struct kvm_vcpu *vcpu)
  26. {
  27. return &vcpu->arch.hyperv;
  28. }
  29. static inline struct kvm_vcpu *hv_vcpu_to_vcpu(struct kvm_vcpu_hv *hv_vcpu)
  30. {
  31. struct kvm_vcpu_arch *arch;
  32. arch = container_of(hv_vcpu, struct kvm_vcpu_arch, hyperv);
  33. return container_of(arch, struct kvm_vcpu, arch);
  34. }
  35. static inline struct kvm_vcpu_hv_synic *vcpu_to_synic(struct kvm_vcpu *vcpu)
  36. {
  37. return &vcpu->arch.hyperv.synic;
  38. }
  39. static inline struct kvm_vcpu *synic_to_vcpu(struct kvm_vcpu_hv_synic *synic)
  40. {
  41. return hv_vcpu_to_vcpu(container_of(synic, struct kvm_vcpu_hv, synic));
  42. }
  43. int kvm_hv_set_msr_common(struct kvm_vcpu *vcpu, u32 msr, u64 data, bool host);
  44. int kvm_hv_get_msr_common(struct kvm_vcpu *vcpu, u32 msr, u64 *pdata, bool host);
  45. bool kvm_hv_hypercall_enabled(struct kvm *kvm);
  46. int kvm_hv_hypercall(struct kvm_vcpu *vcpu);
  47. void kvm_hv_irq_routing_update(struct kvm *kvm);
  48. int kvm_hv_synic_set_irq(struct kvm *kvm, u32 vcpu_id, u32 sint);
  49. void kvm_hv_synic_send_eoi(struct kvm_vcpu *vcpu, int vector);
  50. int kvm_hv_activate_synic(struct kvm_vcpu *vcpu, bool dont_zero_synic_pages);
  51. void kvm_hv_vcpu_init(struct kvm_vcpu *vcpu);
  52. void kvm_hv_vcpu_postcreate(struct kvm_vcpu *vcpu);
  53. void kvm_hv_vcpu_uninit(struct kvm_vcpu *vcpu);
  54. bool kvm_hv_assist_page_enabled(struct kvm_vcpu *vcpu);
  55. bool kvm_hv_get_assist_page(struct kvm_vcpu *vcpu,
  56. struct hv_vp_assist_page *assist_page);
  57. static inline struct kvm_vcpu_hv_stimer *vcpu_to_stimer(struct kvm_vcpu *vcpu,
  58. int timer_index)
  59. {
  60. return &vcpu_to_hv_vcpu(vcpu)->stimer[timer_index];
  61. }
  62. static inline struct kvm_vcpu *stimer_to_vcpu(struct kvm_vcpu_hv_stimer *stimer)
  63. {
  64. struct kvm_vcpu_hv *hv_vcpu;
  65. hv_vcpu = container_of(stimer - stimer->index, struct kvm_vcpu_hv,
  66. stimer[0]);
  67. return hv_vcpu_to_vcpu(hv_vcpu);
  68. }
  69. static inline bool kvm_hv_has_stimer_pending(struct kvm_vcpu *vcpu)
  70. {
  71. return !bitmap_empty(vcpu->arch.hyperv.stimer_pending_bitmap,
  72. HV_SYNIC_STIMER_COUNT);
  73. }
  74. void kvm_hv_process_stimers(struct kvm_vcpu *vcpu);
  75. void kvm_hv_setup_tsc_page(struct kvm *kvm,
  76. struct pvclock_vcpu_time_info *hv_clock);
  77. void kvm_hv_init_vm(struct kvm *kvm);
  78. void kvm_hv_destroy_vm(struct kvm *kvm);
  79. int kvm_vm_ioctl_hv_eventfd(struct kvm *kvm, struct kvm_hyperv_eventfd *args);
  80. #endif