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From: Paolo Bonzini <pbonzini@redhat.com>
To: kvm@vger.kernel.org
Cc: Jon Kohler <jon@nutanix.com>, Nikunj A Dadhania <nikunj@amd.com>,
	Amit Shah <amit.shah@amd.com>,
	Sean Christopherson <seanjc@google.com>
Subject: [PATCH kvm-unit-tests 2/9] add definitions for nested_ctl
Date: Thu, 26 Mar 2026 10:50:28 -0400	[thread overview]
Message-ID: <20260326145035.119519-3-pbonzini@redhat.com> (raw)
In-Reply-To: <20260326145035.119519-1-pbonzini@redhat.com>

Right now only bit 0 was used, and it was hard coded.  Change
that to a #define.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
 x86/svm.c | 2 +-
 x86/svm.h | 3 +++
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/x86/svm.c b/x86/svm.c
index de9eb194..58cbf0a5 100644
--- a/x86/svm.c
+++ b/x86/svm.c
@@ -200,7 +200,7 @@ void vmcb_ident(struct vmcb *vmcb)
 	ctrl->msrpm_base_pa = virt_to_phys(msr_bitmap);
 
 	if (npt_supported()) {
-		ctrl->nested_ctl = 1;
+		ctrl->nested_ctl = SVM_NESTED_ENABLE;
 		ctrl->nested_cr3 = (u64)pml4e;
 		ctrl->tlb_ctl = TLB_CONTROL_FLUSH_ALL_ASID;
 	}
diff --git a/x86/svm.h b/x86/svm.h
index 264583a6..947206bb 100644
--- a/x86/svm.h
+++ b/x86/svm.h
@@ -151,6 +151,9 @@ struct __attribute__ ((__packed__)) vmcb_control_area {
 #define SVM_IOIO_SIZE_MASK (7 << SVM_IOIO_SIZE_SHIFT)
 #define SVM_IOIO_ASIZE_MASK (7 << SVM_IOIO_ASIZE_SHIFT)
 
+#define SVM_NESTED_ENABLE	1
+#define SVM_NESTED_GMET		8
+
 #define SVM_VM_CR_VALID_MASK	0x001fULL
 #define SVM_VM_CR_SVM_LOCK_MASK 0x0008ULL
 #define SVM_VM_CR_SVM_DIS_MASK  0x0010ULL
-- 
2.52.0



  parent reply	other threads:[~2026-03-26 14:50 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-03-26 14:50 [PATCH kvm-unit-tests 0/9] Combined GMET and MBEC tests Paolo Bonzini
2026-03-26 14:50 ` [PATCH kvm-unit-tests 1/9] move PFERR_* constants to lib Paolo Bonzini
2026-03-26 14:50 ` Paolo Bonzini [this message]
2026-03-26 14:50 ` [PATCH kvm-unit-tests 3/9] svm: add basic GMET tests Paolo Bonzini
2026-03-27 16:03   ` Jon Kohler
2026-03-26 14:50 ` [PATCH kvm-unit-tests 4/9] x86/vmx: update EPT installation to use EPT_PRESENT flag Paolo Bonzini
2026-03-26 14:50 ` [PATCH kvm-unit-tests 5/9] x86/vmx: diagnose unexpected EPT violations Paolo Bonzini
2026-03-26 14:50 ` [PATCH kvm-unit-tests 6/9] x86/vmx: add mode-based execute control test for Skylake and above Paolo Bonzini
2026-03-27 15:57   ` Jon Kohler
2026-03-26 14:50 ` [PATCH kvm-unit-tests 7/9] x86/vmx: add user execution operation to EPT access tests Paolo Bonzini
2026-03-26 14:50 ` [PATCH kvm-unit-tests 8/9] x86/vmx: run EPT tests with MBEC enabled when available Paolo Bonzini
2026-03-26 16:13   ` Paolo Bonzini
2026-03-27 15:57     ` Jon Kohler
2026-03-27 15:57   ` Jon Kohler
2026-03-26 14:50 ` [PATCH kvm-unit-tests 9/9] x86/vmx: add EPT tests covering XU permission Paolo Bonzini
2026-03-27 15:56   ` Jon Kohler
2026-05-12 11:06 ` [PATCH kvm-unit-tests 0/9] Combined GMET and MBEC tests Paolo Bonzini

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