mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-02 12:46:40 +07:00
94d8b056a2
Required by EPT misconfiguration handler. Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com> Signed-off-by: Avi Kivity <avi@redhat.com>
86 lines
2.0 KiB
C
86 lines
2.0 KiB
C
#ifndef __KVM_X86_MMU_H
|
|
#define __KVM_X86_MMU_H
|
|
|
|
#include <linux/kvm_host.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
|
|
|
|
int kvm_mmu_get_spte_hierarchy(struct kvm_vcpu *vcpu, u64 addr, u64 sptes[4]);
|
|
|
|
static inline void kvm_mmu_free_some_pages(struct kvm_vcpu *vcpu)
|
|
{
|
|
if (unlikely(vcpu->kvm->arch.n_free_mmu_pages < 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_long_mode(struct kvm_vcpu *vcpu)
|
|
{
|
|
#ifdef CONFIG_X86_64
|
|
return vcpu->arch.shadow_efer & EFER_LMA;
|
|
#else
|
|
return 0;
|
|
#endif
|
|
}
|
|
|
|
static inline int is_pae(struct kvm_vcpu *vcpu)
|
|
{
|
|
return vcpu->arch.cr4 & X86_CR4_PAE;
|
|
}
|
|
|
|
static inline int is_pse(struct kvm_vcpu *vcpu)
|
|
{
|
|
return vcpu->arch.cr4 & X86_CR4_PSE;
|
|
}
|
|
|
|
static inline int is_paging(struct kvm_vcpu *vcpu)
|
|
{
|
|
return vcpu->arch.cr0 & X86_CR0_PG;
|
|
}
|
|
|
|
static inline int is_present_gpte(unsigned long pte)
|
|
{
|
|
return pte & PT_PRESENT_MASK;
|
|
}
|
|
|
|
#endif
|