vmx_tests: Add Page Modification Logging tests
PATCH 1/1 vmx_tests: Add Page Modification Logging tests
Verify that a gpa is logged in the pml buffer when it's written to. Also verify that when the PML buffer overflows, a PML FULL event occurs.
Signed-off-by Bandan Das <[email protected]>
--- x86/vmx.h | 8 ++++- x86/vmx_tests.c | 93 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 100 insertions(+), 1 deletion(-)
x86/vmx.h +7 -1
@@ -108,6 +108,7 @@ enum Encoding {GUEST_SEL_LDTR =0x080cul ,GUEST_SEL_TR =0x080eul ,GUEST_INT_STATUS =0x0810ul , +GUEST_PML_INDEX =0x0812ul ,/* 16-Bit Host State Fields */ HOST_SEL_ES = 0x0c00ul,
@@ -132,6 +133,9 @@ enum Encoding {APIC_ACCS_ADDR =0x2014ul ,EPTP =0x201aul ,EPTP_HI =0x201bul , +PMLADDR =0x200eul , +PMLADDR_HI =0x200ful , +/* 64-Bit Readonly Data Field */ INFO_PHYS_ADDR = 0x2400ul,
@@ -317,7 +321,8 @@ enum Reason {VMX_PREEMPT =52 ,VMX_INVVPID =53 ,VMX_WBINVD =54 , -VMX_XSETBV =55 +VMX_XSETBV =55 , + VMX_PMLFULL = 62, }; enum Ctrl_exi {
@@ -375,6 +380,7 @@ enum Ctrl1 {CPU_URG =1ul <<7 ,CPU_WBINVD =1ul <<6 ,CPU_RDRAND =1ul <<11 , + CPU_PML = 1ul << 17, }; enum Intr_type {
x86/vmx_tests.c +93 -0
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Signature · 1 line
2.9.3