Misc patches for 2022-05-12

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

Paolo Bonzini posted 27 patches 3 years, 9 months ago

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Maintainers: Stefan Hajnoczi <stefanha@redhat.com>, Fam Zheng <fam@euphon.net>, Kevin Wolf <kwolf@redhat.com>, Hanna Reitz <hreitz@redhat.com>, Peter Maydell <peter.maydell@linaro.org>, Eduardo Habkost <eduardo@habkost.net>, Marcel Apfelbaum <marcel.apfelbaum@gmail.com>, "Philippe Mathieu-Daudé" <f4bug@amsat.org>, Yanan Wang <wangyanan55@huawei.com>, Richard Henderson <richard.henderson@linaro.org>, Helge Deller <deller@gmx.de>, Paolo Bonzini <pbonzini@redhat.com>, "Michael S. Tsirkin" <mst@redhat.com>, Gerd Hoffmann <kraxel@redhat.com>, Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>, "Hervé Poussineau" <hpoussin@reactos.org>, "Cédric Le Goater" <clg@kaod.org>, Daniel Henrique Barboza <danielhb413@gmail.com>, David Gibson <david@gibson.dropbear.id.au>, Greg Kurz <groug@kaod.org>, Christian Borntraeger <borntraeger@linux.ibm.com>, Thomas Huth <thuth@redhat.com>, Cornelia Huck <cohuck@redhat.com>, Halil Pasic <pasic@linux.ibm.com>, Eric Farman <farman@linux.ibm.com>, David Hildenbrand <david@redhat.com>, Artyom Tarasenko <atar4qemu@gmail.com>, Stefano Stabellini <sstabellini@kernel.org>, Anthony Perard <anthony.perard@citrix.com>, Paul Durrant <paul@xen.org>, Samuel Thibault <samuel.thibault@ens-lyon.org>, Jason Wang <jasowang@redhat.com>, Eric Blake <eblake@redhat.com>, Markus Armbruster <armbru@redhat.com>, Marcelo Tosatti <mtosatti@redhat.com>, "Gonglei (Arei)" <arei.gonglei@huawei.com>, Laurent Vivier <lvivier@redhat.com>, Coiby Xu <Coiby.Xu@gmail.com>, Amit Shah <amit@kernel.org>

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

Posted by Paolo Bonzini 3 years, 9 months ago

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