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From: "Adalbert Lazăr" <alazar@bitdefender.com>
To: kvm@vger.kernel.org
Cc: "Adalbert Lazăr" <alazar@bitdefender.com>,
	"Paolo Bonzini" <pbonzini@redhat.com>,
	"Ștefan Șicleru" <ssicleru@bitdefender.com>,
	virtualization@lists.linux-foundation.org
Subject: [RFC PATCH v1 14/34] KVM: introspection: add 'view' field to struct kvmi_event_arch
Date: Wed, 22 Jul 2020 19:01:01 +0300
Message-ID: <20200722160121.9601-15-alazar@bitdefender.com> (raw)
In-Reply-To: <20200722160121.9601-1-alazar@bitdefender.com>

From: Ștefan Șicleru <ssicleru@bitdefender.com>

Report the view a vCPU operates on when sending events to the
introspection tool.

Signed-off-by: Ștefan Șicleru <ssicleru@bitdefender.com>
Signed-off-by: Adalbert Lazăr <alazar@bitdefender.com>
---
 arch/x86/include/uapi/asm/kvmi.h | 4 +++-
 arch/x86/kvm/kvmi.c              | 1 +
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/arch/x86/include/uapi/asm/kvmi.h b/arch/x86/include/uapi/asm/kvmi.h
index 3087c685c232..a13a98fa863f 100644
--- a/arch/x86/include/uapi/asm/kvmi.h
+++ b/arch/x86/include/uapi/asm/kvmi.h
@@ -12,7 +12,9 @@
 
 struct kvmi_event_arch {
 	__u8 mode;		/* 2, 4 or 8 */
-	__u8 padding[7];
+	__u8 padding1;
+	__u16 view;
+	__u32 padding2;
 	struct kvm_regs regs;
 	struct kvm_sregs sregs;
 	struct {
diff --git a/arch/x86/kvm/kvmi.c b/arch/x86/kvm/kvmi.c
index bd31809ff812..292606902338 100644
--- a/arch/x86/kvm/kvmi.c
+++ b/arch/x86/kvm/kvmi.c
@@ -102,6 +102,7 @@ void kvmi_arch_setup_event(struct kvm_vcpu *vcpu, struct kvmi_event *ev)
 	kvm_arch_vcpu_get_sregs(vcpu, &event->sregs);
 	ev->arch.mode = kvmi_vcpu_mode(vcpu, &event->sregs);
 	kvmi_get_msrs(vcpu, event);
+	event->view = kvm_get_ept_view(vcpu);
 }
 
 int kvmi_arch_cmd_vcpu_get_info(struct kvm_vcpu *vcpu,
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Thread overview: 35+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-22 16:00 [RFC PATCH v1 00/34] VM introspection - EPT Views and Virtualization Exceptions Adalbert Lazăr
2020-07-22 16:00 ` [RFC PATCH v1 01/34] KVM: x86: export .get_vmfunc_status() Adalbert Lazăr
2020-07-22 16:00 ` [RFC PATCH v1 02/34] KVM: x86: export .get_eptp_switching_status() Adalbert Lazăr
2020-07-22 16:00 ` [RFC PATCH v1 03/34] KVM: x86: add kvm_get_ept_view() Adalbert Lazăr
2020-07-22 16:00 ` [RFC PATCH v1 04/34] KVM: x86: mmu: reindent to avoid lines longer than 80 chars Adalbert Lazăr
2020-07-22 16:00 ` [RFC PATCH v1 05/34] KVM: x86: mmu: add EPT view parameter to kvm_mmu_get_page() Adalbert Lazăr
2020-07-22 16:00 ` [RFC PATCH v1 06/34] KVM: x86: mmu: add support for EPT switching Adalbert Lazăr
2020-07-22 16:00 ` [RFC PATCH v1 07/34] KVM: x86: mmu: increase mmu_memory_cache size Adalbert Lazăr
2020-07-22 16:00 ` [RFC PATCH v1 08/34] KVM: x86: add .set_ept_view() Adalbert Lazăr
2020-07-22 16:00 ` [RFC PATCH v1 09/34] KVM: x86: add .control_ept_view() Adalbert Lazăr
2020-07-22 16:00 ` [RFC PATCH v1 10/34] KVM: x86: page track: allow page tracking for different EPT views Adalbert Lazăr
2020-07-22 16:00 ` [RFC PATCH v1 11/34] KVM: x86: mmu: allow zapping shadow pages for specific " Adalbert Lazăr
2020-07-22 16:00 ` [RFC PATCH v1 12/34] KVM: introspection: extend struct kvmi_features with the EPT views status support Adalbert Lazăr
2020-07-22 16:01 ` [RFC PATCH v1 13/34] KVM: introspection: add KVMI_VCPU_GET_EPT_VIEW Adalbert Lazăr
2020-07-22 16:01 ` Adalbert Lazăr [this message]
2020-07-22 16:01 ` [RFC PATCH v1 15/34] KVM: introspection: add KVMI_VCPU_SET_EPT_VIEW Adalbert Lazăr
2020-07-22 16:01 ` [RFC PATCH v1 16/34] KVM: introspection: add KVMI_VCPU_CONTROL_EPT_VIEW Adalbert Lazăr
2020-07-22 16:01 ` [RFC PATCH v1 17/34] KVM: introspection: extend the access rights database with EPT view info Adalbert Lazăr
2020-07-22 16:01 ` [RFC PATCH v1 18/34] KVM: introspection: extend KVMI_VM_SET_PAGE_ACCESS " Adalbert Lazăr
2020-07-22 16:01 ` [RFC PATCH v1 19/34] KVM: introspection: clean non-default EPTs on unhook Adalbert Lazăr
2020-07-22 16:01 ` [RFC PATCH v1 20/34] KVM: x86: vmx: add support for virtualization exceptions Adalbert Lazăr
2020-07-22 16:01 ` [RFC PATCH v1 21/34] KVM: VMX: Define EPT suppress #VE bit (bit 63 in EPT leaf entries) Adalbert Lazăr
2020-07-22 16:01 ` [RFC PATCH v1 22/34] KVM: VMX: Suppress EPT violation #VE by default (when enabled) Adalbert Lazăr
2020-07-22 16:01 ` [RFC PATCH v1 23/34] KVM: x86: mmu: fix: update present_mask in spte_read_protect() Adalbert Lazăr
2020-07-22 16:01 ` [RFC PATCH v1 24/34] KVM: vmx: trigger vm-exits for mmio sptes by default when #VE is enabled Adalbert Lazăr
2020-07-22 16:01 ` [RFC PATCH v1 25/34] KVM: x86: svm: set .clear_page() Adalbert Lazăr
2020-07-22 16:01 ` [RFC PATCH v1 26/34] KVM: x86: add .set_ve_info() Adalbert Lazăr
2020-07-22 16:01 ` [RFC PATCH v1 27/34] KVM: x86: add .disable_ve() Adalbert Lazăr
2020-07-22 16:01 ` [RFC PATCH v1 28/34] KVM: x86: page_track: add support for suppress #VE bit Adalbert Lazăr
2020-07-22 16:01 ` [RFC PATCH v1 29/34] KVM: vmx: make use of EPTP_INDEX in vmx_handle_exit() Adalbert Lazăr
2020-07-22 16:01 ` [RFC PATCH v1 30/34] KVM: vmx: make use of EPTP_INDEX in vmx_set_ept_view() Adalbert Lazăr
2020-07-22 16:01 ` [RFC PATCH v1 31/34] KVM: introspection: add #VE host capability checker Adalbert Lazăr
2020-07-22 16:01 ` [RFC PATCH v1 32/34] KVM: introspection: add KVMI_VCPU_SET_VE_INFO/KVMI_VCPU_DISABLE_VE Adalbert Lazăr
2020-07-22 16:01 ` [RFC PATCH v1 33/34] KVM: introspection: mask out non-rwx flags when reading/writing from/to the internal database Adalbert Lazăr
2020-07-22 16:01 ` [RFC PATCH v1 34/34] KVM: introspection: add KVMI_VM_SET_PAGE_SVE Adalbert Lazăr

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