diff options
Diffstat (limited to 'include/linux/kvm_host.h')
| -rw-r--r-- | include/linux/kvm_host.h | 62 |
1 files changed, 27 insertions, 35 deletions
diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h index 0fbbc7aa02cb..b8e9a43e501a 100644 --- a/include/linux/kvm_host.h +++ b/include/linux/kvm_host.h @@ -142,7 +142,7 @@ struct kvm; struct kvm_vcpu; extern struct kmem_cache *kvm_vcpu_cache; -extern raw_spinlock_t kvm_lock; +extern spinlock_t kvm_lock; extern struct list_head vm_list; struct kvm_io_range { @@ -172,8 +172,6 @@ int kvm_io_bus_write_cookie(struct kvm *kvm, enum kvm_bus bus_idx, gpa_t addr, int len, const void *val, long cookie); int kvm_io_bus_read(struct kvm *kvm, enum kvm_bus bus_idx, gpa_t addr, int len, void *val); -int kvm_io_bus_read_cookie(struct kvm *kvm, enum kvm_bus bus_idx, gpa_t addr, - int len, void *val, long cookie); int kvm_io_bus_register_dev(struct kvm *kvm, enum kvm_bus bus_idx, gpa_t addr, int len, struct kvm_io_device *dev); int kvm_io_bus_unregister_dev(struct kvm *kvm, enum kvm_bus bus_idx, @@ -189,8 +187,7 @@ struct kvm_async_pf { gva_t gva; unsigned long addr; struct kvm_arch_async_pf arch; - struct page *page; - bool done; + bool wakeup_all; }; void kvm_clear_async_pf_completion_queue(struct kvm_vcpu *vcpu); @@ -464,8 +461,6 @@ void kvm_exit(void); void kvm_get_kvm(struct kvm *kvm); void kvm_put_kvm(struct kvm *kvm); -void update_memslots(struct kvm_memslots *slots, struct kvm_memory_slot *new, - u64 last_generation); static inline struct kvm_memslots *kvm_memslots(struct kvm *kvm) { @@ -508,9 +503,10 @@ int kvm_set_memory_region(struct kvm *kvm, struct kvm_userspace_memory_region *mem); int __kvm_set_memory_region(struct kvm *kvm, struct kvm_userspace_memory_region *mem); -void kvm_arch_free_memslot(struct kvm_memory_slot *free, +void kvm_arch_free_memslot(struct kvm *kvm, struct kvm_memory_slot *free, struct kvm_memory_slot *dont); -int kvm_arch_create_memslot(struct kvm_memory_slot *slot, unsigned long npages); +int kvm_arch_create_memslot(struct kvm *kvm, struct kvm_memory_slot *slot, + unsigned long npages); void kvm_arch_memslots_updated(struct kvm *kvm); int kvm_arch_prepare_memory_region(struct kvm *kvm, struct kvm_memory_slot *memslot, @@ -537,7 +533,6 @@ unsigned long gfn_to_hva_prot(struct kvm *kvm, gfn_t gfn, bool *writable); unsigned long gfn_to_hva_memslot(struct kvm_memory_slot *slot, gfn_t gfn); void kvm_release_page_clean(struct page *page); void kvm_release_page_dirty(struct page *page); -void kvm_set_page_dirty(struct page *page); void kvm_set_page_accessed(struct page *page); pfn_t gfn_to_pfn_atomic(struct kvm *kvm, gfn_t gfn); @@ -549,7 +544,6 @@ pfn_t gfn_to_pfn_prot(struct kvm *kvm, gfn_t gfn, bool write_fault, pfn_t gfn_to_pfn_memslot(struct kvm_memory_slot *slot, gfn_t gfn); pfn_t gfn_to_pfn_memslot_atomic(struct kvm_memory_slot *slot, gfn_t gfn); -void kvm_release_pfn_dirty(pfn_t pfn); void kvm_release_pfn_clean(pfn_t pfn); void kvm_set_pfn_dirty(pfn_t pfn); void kvm_set_pfn_accessed(pfn_t pfn); @@ -576,14 +570,11 @@ struct kvm_memory_slot *gfn_to_memslot(struct kvm *kvm, gfn_t gfn); int kvm_is_visible_gfn(struct kvm *kvm, gfn_t gfn); unsigned long kvm_host_page_size(struct kvm *kvm, gfn_t gfn); void mark_page_dirty(struct kvm *kvm, gfn_t gfn); -void mark_page_dirty_in_slot(struct kvm *kvm, struct kvm_memory_slot *memslot, - gfn_t gfn); void kvm_vcpu_block(struct kvm_vcpu *vcpu); void kvm_vcpu_kick(struct kvm_vcpu *vcpu); bool kvm_vcpu_yield_to(struct kvm_vcpu *target); void kvm_vcpu_on_spin(struct kvm_vcpu *vcpu); -void kvm_resched(struct kvm_vcpu *vcpu); void kvm_load_guest_fpu(struct kvm_vcpu *vcpu); void kvm_put_guest_fpu(struct kvm_vcpu *vcpu); @@ -605,8 +596,6 @@ int kvm_get_dirty_log(struct kvm *kvm, int kvm_vm_ioctl_get_dirty_log(struct kvm *kvm, struct kvm_dirty_log *log); -int kvm_vm_ioctl_set_memory_region(struct kvm *kvm, - struct kvm_userspace_memory_region *mem); int kvm_vm_ioctl_irq_line(struct kvm *kvm, struct kvm_irq_level *irq_level, bool line_status); long kvm_arch_vm_ioctl(struct file *filp, @@ -654,8 +643,6 @@ void kvm_arch_check_processor_compat(void *rtn); int kvm_arch_vcpu_runnable(struct kvm_vcpu *vcpu); int kvm_arch_vcpu_should_kick(struct kvm_vcpu *vcpu); -void kvm_free_physmem(struct kvm *kvm); - void *kvm_kvzalloc(unsigned long size); void kvm_kvfree(const void *addr); @@ -671,6 +658,25 @@ static inline void kvm_arch_free_vm(struct kvm *kvm) } #endif +#ifdef __KVM_HAVE_ARCH_NONCOHERENT_DMA +void kvm_arch_register_noncoherent_dma(struct kvm *kvm); +void kvm_arch_unregister_noncoherent_dma(struct kvm *kvm); +bool kvm_arch_has_noncoherent_dma(struct kvm *kvm); +#else +static inline void kvm_arch_register_noncoherent_dma(struct kvm *kvm) +{ +} + +static inline void kvm_arch_unregister_noncoherent_dma(struct kvm *kvm) +{ +} + +static inline bool kvm_arch_has_noncoherent_dma(struct kvm *kvm) +{ + return false; +} +#endif + static inline wait_queue_head_t *kvm_arch_vcpu_wq(struct kvm_vcpu *vcpu) { #ifdef __KVM_HAVE_ARCH_WQP @@ -747,9 +753,6 @@ void kvm_unregister_irq_ack_notifier(struct kvm *kvm, int kvm_request_irq_source_id(struct kvm *kvm); void kvm_free_irq_source_id(struct kvm *kvm, int irq_source_id); -/* For vcpu->arch.iommu_flags */ -#define KVM_IOMMU_CACHE_COHERENCY 0x1 - #ifdef CONFIG_KVM_DEVICE_ASSIGNMENT int kvm_iommu_map_pages(struct kvm *kvm, struct kvm_memory_slot *slot); void kvm_iommu_unmap_pages(struct kvm *kvm, struct kvm_memory_slot *slot); @@ -789,7 +792,7 @@ static inline void kvm_guest_enter(void) /* KVM does not hold any references to rcu protected data when it * switches CPU into a guest mode. In fact switching to a guest mode - * is very similar to exiting to userspase from rcu point of view. In + * is very similar to exiting to userspace from rcu point of view. In * addition CPU may stay in a guest mode for quite a long time (up to * one time slice). Lets treat guest mode as quiescent state, just like * we do with user-mode execution. @@ -842,13 +845,6 @@ static inline int memslot_id(struct kvm *kvm, gfn_t gfn) return gfn_to_memslot(kvm, gfn)->id; } -static inline gfn_t gfn_to_index(gfn_t gfn, gfn_t base_gfn, int level) -{ - /* KVM_HPAGE_GFN_SHIFT(PT_PAGE_TABLE_LEVEL) must be 0. */ - return (gfn >> KVM_HPAGE_GFN_SHIFT(level)) - - (base_gfn >> KVM_HPAGE_GFN_SHIFT(level)); -} - static inline gfn_t hva_to_gfn_memslot(unsigned long hva, struct kvm_memory_slot *slot) { @@ -1066,6 +1062,8 @@ struct kvm_device *kvm_device_from_filp(struct file *filp); extern struct kvm_device_ops kvm_mpic_ops; extern struct kvm_device_ops kvm_xics_ops; +extern struct kvm_device_ops kvm_vfio_ops; +extern struct kvm_device_ops kvm_arm_vgic_v2_ops; #ifdef CONFIG_HAVE_KVM_CPU_RELAX_INTERCEPT @@ -1087,12 +1085,6 @@ static inline void kvm_vcpu_set_in_spin_loop(struct kvm_vcpu *vcpu, bool val) static inline void kvm_vcpu_set_dy_eligible(struct kvm_vcpu *vcpu, bool val) { } - -static inline bool kvm_vcpu_eligible_for_directed_yield(struct kvm_vcpu *vcpu) -{ - return true; -} - #endif /* CONFIG_HAVE_KVM_CPU_RELAX_INTERCEPT */ #endif |