Displaying 4 results from an estimated 4 matches for "kvmi_arch_pf_of_interest".
2020 Feb 07
0
[RFC PATCH v7 73/78] KVM: introspection: extend KVMI_GET_VERSION with struct kvmi_features
...100644
--- a/arch/x86/kvm/kvmi.c
+++ b/arch/x86/kvm/kvmi.c
@@ -1100,6 +1100,11 @@ bool kvmi_arch_pf_event(struct kvm_vcpu *vcpu, gpa_t gpa, gva_t gva,
return ret;
}
+void kvmi_arch_features(struct kvmi_features *feat)
+{
+ feat->singlestep = !!kvm_x86_ops->control_singlestep;
+}
+
bool kvmi_arch_pf_of_interest(struct kvm_vcpu *vcpu)
{
return kvm_x86_ops->spt_fault(vcpu) &&
diff --git a/include/uapi/linux/kvmi.h b/include/uapi/linux/kvmi.h
index c74ded097efa..7cd41a815967 100644
--- a/include/uapi/linux/kvmi.h
+++ b/include/uapi/linux/kvmi.h
@@ -91,6 +91,7 @@ struct kvmi_error_code {
struct...
2020 Feb 07
0
[RFC PATCH v7 74/78] KVM: introspection: add KVMI_VCPU_CONTROL_SINGLESTEP
...it
+* -KVM_EINVAL - padding is not zero
+* -KVM_EAGAIN - the selected vCPU can't be introspected yet
+
Events
======
diff --git a/arch/x86/kvm/kvmi.c b/arch/x86/kvm/kvmi.c
index 5cf266d13375..feebb0327e27 100644
--- a/arch/x86/kvm/kvmi.c
+++ b/arch/x86/kvm/kvmi.c
@@ -1111,3 +1111,21 @@ bool kvmi_arch_pf_of_interest(struct kvm_vcpu *vcpu)
!kvm_x86_ops->gpt_translation_fault(vcpu);
}
+bool kvmi_arch_start_singlestep(struct kvm_vcpu *vcpu)
+{
+ if (!kvm_x86_ops->control_singlestep)
+ return false;
+
+ kvm_x86_ops->control_singlestep(vcpu, true);
+ return true;
+}
+
+bool kvmi_arch_stop_singl...
2020 Feb 07
0
[RFC PATCH v7 76/78] KVM: introspection: add KVMI_VCPU_TRANSLATE_GVA
...b/virt/kvm/introspection/kvmi_int.h
@@ -58,6 +58,7 @@
| BIT(KVMI_VCPU_GET_XSAVE) \
| BIT(KVMI_VCPU_INJECT_EXCEPTION) \
| BIT(KVMI_VCPU_SET_REGISTERS) \
+ | BIT(KVMI_VCPU_TRANSLATE_GVA) \
)
#define KVMI(kvm) ((struct kvm_introspection *)((kvm)->kvmi))
@@ -172,5 +173,6 @@ bool kvmi_arch_pf_of_interest(struct kvm_vcpu *vcpu);
void kvmi_arch_features(struct kvmi_features *feat);
bool kvmi_arch_start_singlestep(struct kvm_vcpu *vcpu);
bool kvmi_arch_stop_singlestep(struct kvm_vcpu *vcpu);
+gpa_t kvmi_arch_cmd_translate_gva(struct kvm_vcpu *vcpu, gva_t gva);
#endif
diff --git a/virt/kvm/intros...
2020 Feb 07
78
[RFC PATCH v7 00/78] VM introspection
The KVM introspection subsystem provides a facility for applications
running on the host or in a separate VM, to control the execution of
other VMs (pause, resume, shutdown), query the state of the vCPUs (GPRs,
MSRs etc.), alter the page access bits in the shadow page tables (only
for the hardware backed ones, eg. Intel's EPT) and receive notifications
when events of interest have taken place