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vmxcap: add support for VMX FRED controls 

Report secondary vm-exit controls and the VMX controls used to
save/load FRED MSRs.

Tested-by: Shan Kang <shan.kang@intel.com>
Signed-off-by: Xin Li <xin3.li@intel.com>
Message-ID: <20231109072012.8078-5-xin3.li@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Xin Li 2023-11-08 23:20:10 -08:00 committed by Paolo Bonzini
parent f88ddc40c6
commit 2e64187017
1 changed files with 12 additions and 0 deletions
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12
scripts/kvm/vmxcap
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@ -24,6 +24,7 @@ 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
MSR_IA32_VMX_EXIT_CTLS2 = 0x493
class msr(object):
def __init__(self):
@ -219,11 +220,21 @@ controls = [
23: 'Clear IA32_BNDCFGS',
24: 'Conceal VM exits from PT',
25: 'Clear IA32_RTIT_CTL',
31: 'Activate secondary VM-exit controls',
},
cap_msr = MSR_IA32_VMX_EXIT_CTLS,
true_cap_msr = MSR_IA32_VMX_TRUE_EXIT_CTLS,
),
Allowed1Control(
name = 'secondary VM-Exit controls',
bits = {
0: 'Save IA32 FRED MSRs',
1: 'Load IA32 FRED MSRs',
},
cap_msr = MSR_IA32_VMX_EXIT_CTLS2,
),
Control(
name = 'VM-Entry controls',
bits = {
@ -237,6 +248,7 @@ controls = [
16: 'Load IA32_BNDCFGS',
17: 'Conceal VM entries from PT',
18: 'Load IA32_RTIT_CTL',
23: 'Load IA32 FRED MSRs',
},
cap_msr = MSR_IA32_VMX_ENTRY_CTLS,
true_cap_msr = MSR_IA32_VMX_TRUE_ENTRY_CTLS,