diff options
Diffstat (limited to 'ANDROID_3.4.5/arch/x86/kvm/mmu.h')
-rw-r--r-- | ANDROID_3.4.5/arch/x86/kvm/mmu.h | 104 |
1 files changed, 0 insertions, 104 deletions
diff --git a/ANDROID_3.4.5/arch/x86/kvm/mmu.h b/ANDROID_3.4.5/arch/x86/kvm/mmu.h deleted file mode 100644 index e374db9a..00000000 --- a/ANDROID_3.4.5/arch/x86/kvm/mmu.h +++ /dev/null @@ -1,104 +0,0 @@ -#ifndef __KVM_X86_MMU_H -#define __KVM_X86_MMU_H - -#include <linux/kvm_host.h> -#include "kvm_cache_regs.h" - -#define PT64_PT_BITS 9 -#define PT64_ENT_PER_PAGE (1 << PT64_PT_BITS) -#define PT32_PT_BITS 10 -#define PT32_ENT_PER_PAGE (1 << PT32_PT_BITS) - -#define PT_WRITABLE_SHIFT 1 - -#define PT_PRESENT_MASK (1ULL << 0) -#define PT_WRITABLE_MASK (1ULL << PT_WRITABLE_SHIFT) -#define PT_USER_MASK (1ULL << 2) -#define PT_PWT_MASK (1ULL << 3) -#define PT_PCD_MASK (1ULL << 4) -#define PT_ACCESSED_SHIFT 5 -#define PT_ACCESSED_MASK (1ULL << PT_ACCESSED_SHIFT) -#define PT_DIRTY_MASK (1ULL << 6) -#define PT_PAGE_SIZE_MASK (1ULL << 7) -#define PT_PAT_MASK (1ULL << 7) -#define PT_GLOBAL_MASK (1ULL << 8) -#define PT64_NX_SHIFT 63 -#define PT64_NX_MASK (1ULL << PT64_NX_SHIFT) - -#define PT_PAT_SHIFT 7 -#define PT_DIR_PAT_SHIFT 12 -#define PT_DIR_PAT_MASK (1ULL << PT_DIR_PAT_SHIFT) - -#define PT32_DIR_PSE36_SIZE 4 -#define PT32_DIR_PSE36_SHIFT 13 -#define PT32_DIR_PSE36_MASK \ - (((1ULL << PT32_DIR_PSE36_SIZE) - 1) << PT32_DIR_PSE36_SHIFT) - -#define PT64_ROOT_LEVEL 4 -#define PT32_ROOT_LEVEL 2 -#define PT32E_ROOT_LEVEL 3 - -#define PT_PDPE_LEVEL 3 -#define PT_DIRECTORY_LEVEL 2 -#define PT_PAGE_TABLE_LEVEL 1 - -#define PFERR_PRESENT_MASK (1U << 0) -#define PFERR_WRITE_MASK (1U << 1) -#define PFERR_USER_MASK (1U << 2) -#define PFERR_RSVD_MASK (1U << 3) -#define PFERR_FETCH_MASK (1U << 4) - -int kvm_mmu_get_spte_hierarchy(struct kvm_vcpu *vcpu, u64 addr, u64 sptes[4]); -void kvm_mmu_set_mmio_spte_mask(u64 mmio_mask); -int handle_mmio_page_fault_common(struct kvm_vcpu *vcpu, u64 addr, bool direct); -int kvm_init_shadow_mmu(struct kvm_vcpu *vcpu, struct kvm_mmu *context); - -static inline unsigned int kvm_mmu_available_pages(struct kvm *kvm) -{ - return kvm->arch.n_max_mmu_pages - - kvm->arch.n_used_mmu_pages; -} - -static inline void kvm_mmu_free_some_pages(struct kvm_vcpu *vcpu) -{ - if (unlikely(kvm_mmu_available_pages(vcpu->kvm)< KVM_MIN_FREE_MMU_PAGES)) - __kvm_mmu_free_some_pages(vcpu); -} - -static inline int kvm_mmu_reload(struct kvm_vcpu *vcpu) -{ - if (likely(vcpu->arch.mmu.root_hpa != INVALID_PAGE)) - return 0; - - return kvm_mmu_load(vcpu); -} - -static inline int is_present_gpte(unsigned long pte) -{ - return pte & PT_PRESENT_MASK; -} - -static inline int is_writable_pte(unsigned long pte) -{ - return pte & PT_WRITABLE_MASK; -} - -static inline bool is_write_protection(struct kvm_vcpu *vcpu) -{ - return kvm_read_cr0_bits(vcpu, X86_CR0_WP); -} - -static inline bool check_write_user_access(struct kvm_vcpu *vcpu, - bool write_fault, bool user_fault, - unsigned long pte) -{ - if (unlikely(write_fault && !is_writable_pte(pte) - && (user_fault || is_write_protection(vcpu)))) - return false; - - if (unlikely(user_fault && !(pte & PT_USER_MASK))) - return false; - - return true; -} -#endif |