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[PULL 27/27] vmxcap: add tertiary execution controls


From: Paolo Bonzini
Subject: [PULL 27/27] vmxcap: add tertiary execution controls
Date: Thu, 12 May 2022 19:25:05 +0200

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
 scripts/kvm/vmxcap | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/scripts/kvm/vmxcap b/scripts/kvm/vmxcap
index f140040104..ce27f5e635 100755
--- a/scripts/kvm/vmxcap
+++ b/scripts/kvm/vmxcap
@@ -23,6 +23,7 @@ MSR_IA32_VMX_TRUE_PROCBASED_CTLS = 0x48E
 MSR_IA32_VMX_TRUE_EXIT_CTLS = 0x48F
 MSR_IA32_VMX_TRUE_ENTRY_CTLS = 0x490
 MSR_IA32_VMX_VMFUNC = 0x491
+MSR_IA32_VMX_PROCBASED_CTLS3 = 0x492
 
 class msr(object):
     def __init__(self):
@@ -71,6 +72,13 @@ class Control(object):
                 s = 'yes'
             print('  %-40s %s' % (self.bits[bit], s))
 
+# All 64 bits in the tertiary controls MSR are allowed-1
+class Allowed1Control(Control):
+    def read2(self, nr):
+        m = msr()
+        val = m.read(nr, 0)
+        return (0, val)
+
 class Misc(object):
     def __init__(self, name, bits, msr):
         self.name = name
@@ -135,6 +143,7 @@ controls = [
             12: 'RDTSC exiting',
             15: 'CR3-load exiting',
             16: 'CR3-store exiting',
+            17: 'Activate tertiary controls',
             19: 'CR8-load exiting',
             20: 'CR8-store exiting',
             21: 'Use TPR shadow',
@@ -186,6 +195,14 @@ controls = [
         cap_msr = MSR_IA32_VMX_PROCBASED_CTLS2,
         ),
 
+    Allowed1Control(
+        name = 'tertiary processor-based controls',
+        bits = {
+            4: 'Enable IPI virtualization'
+            },
+        cap_msr = MSR_IA32_VMX_PROCBASED_CTLS3,
+        ),
+
     Control(
         name = 'VM-Exit controls',
         bits = {
-- 
2.36.0




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