35 lines
1.0 KiB
C
35 lines
1.0 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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#ifndef __KVM_X86_VMX_COMMON_H
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#define __KVM_X86_VMX_COMMON_H
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#include <linux/kvm_host.h>
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#include "mmu.h"
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static inline int __vmx_handle_ept_violation(struct kvm_vcpu *vcpu, gpa_t gpa,
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unsigned long exit_qualification)
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{
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u64 error_code;
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/* Is it a read fault? */
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error_code = (exit_qualification & EPT_VIOLATION_ACC_READ)
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? PFERR_USER_MASK : 0;
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/* Is it a write fault? */
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error_code |= (exit_qualification & EPT_VIOLATION_ACC_WRITE)
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? PFERR_WRITE_MASK : 0;
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/* Is it a fetch fault? */
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error_code |= (exit_qualification & EPT_VIOLATION_ACC_INSTR)
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? PFERR_FETCH_MASK : 0;
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/* ept page table entry is present? */
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error_code |= (exit_qualification & EPT_VIOLATION_RWX_MASK)
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? PFERR_PRESENT_MASK : 0;
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if (exit_qualification & EPT_VIOLATION_GVA_IS_VALID)
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error_code |= (exit_qualification & EPT_VIOLATION_GVA_TRANSLATED) ?
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PFERR_GUEST_FINAL_MASK : PFERR_GUEST_PAGE_MASK;
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return kvm_mmu_page_fault(vcpu, gpa, error_code, NULL, 0);
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}
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#endif /* __KVM_X86_VMX_COMMON_H */
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