From: Mihai Donțu <[email protected]>

This function is needed for the KVMI_EVENT_PF event.

Signed-off-by: Mihai Donțu <[email protected]>
Signed-off-by: Adalbert Lazăr <[email protected]>
---
 arch/x86/include/asm/kvm_host.h |  1 +
 arch/x86/kvm/svm.c              | 12 ++++++++++++
 arch/x86/kvm/vmx/vmx.c          |  8 ++++++++
 3 files changed, 21 insertions(+)

diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
index 18e879d508c2..2e993b240b66 100644
--- a/arch/x86/include/asm/kvm_host.h
+++ b/arch/x86/include/asm/kvm_host.h
@@ -1291,6 +1291,7 @@ struct kvm_x86_ops {
 
        u64 (*fault_gla)(struct kvm_vcpu *vcpu);
        bool (*spt_fault)(struct kvm_vcpu *vcpu);
+       bool (*gpt_translation_fault)(struct kvm_vcpu *vcpu);
 };
 
 struct kvm_arch_async_pf {
diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index 42fab46e6553..2be8f9313611 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -7537,6 +7537,17 @@ static bool svm_spt_fault(struct kvm_vcpu *vcpu)
        return (vmcb->control.exit_code == SVM_EXIT_NPF);
 }
 
+static bool svm_gpt_translation_fault(struct kvm_vcpu *vcpu)
+{
+       struct vcpu_svm *svm = to_svm(vcpu);
+       struct vmcb *vmcb = get_host_vmcb(svm);
+
+       if (vmcb->control.exit_info_1 & PFERR_GUEST_PAGE_MASK)
+               return true;
+
+       return false;
+}
+
 static struct kvm_x86_ops svm_x86_ops __ro_after_init = {
        .cpu_has_kvm_support = has_svm,
        .disabled_by_bios = is_disabled,
@@ -7688,6 +7699,7 @@ static struct kvm_x86_ops svm_x86_ops __ro_after_init = {
 
        .fault_gla = svm_fault_gla,
        .spt_fault = svm_spt_fault,
+       .gpt_translation_fault = svm_gpt_translation_fault,
 };
 
 static int __init svm_init(void)
diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c
index cc30513eca95..5422c35a3216 100644
--- a/arch/x86/kvm/vmx/vmx.c
+++ b/arch/x86/kvm/vmx/vmx.c
@@ -7921,6 +7921,13 @@ static bool vmx_spt_fault(struct kvm_vcpu *vcpu)
        return (vmx->exit_reason == EXIT_REASON_EPT_VIOLATION);
 }
 
+static bool vmx_gpt_translation_fault(struct kvm_vcpu *vcpu)
+{
+       if (vcpu->arch.exit_qualification & EPT_VIOLATION_GVA_TRANSLATED)
+               return false;
+       return true;
+}
+
 static struct kvm_x86_ops vmx_x86_ops __ro_after_init = {
        .cpu_has_kvm_support = cpu_has_kvm_support,
        .disabled_by_bios = vmx_disabled_by_bios,
@@ -8084,6 +8091,7 @@ static struct kvm_x86_ops vmx_x86_ops __ro_after_init = {
 
        .fault_gla = vmx_fault_gla,
        .spt_fault = vmx_spt_fault,
+       .gpt_translation_fault = vmx_gpt_translation_fault,
 };
 
 static void vmx_cleanup_l1d_flush(void)
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