Add Virtualization Exception handler #629
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TDG.VP.VMCALL<Instruction.CPUID> is used to request the VMM to emulate CPUID operations. Signed-off-by: Peter Fang <peter.fang@intel.com>
TDG.VP.VEINFO.GET is used to get Virtualization Exception Information for the recent #VE exception. Signed-off-by: Peter Fang <peter.fang@intel.com>
joergroedel
approved these changes
Feb 27, 2025
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LGTM, thanks @peterfang. I will also request a review from @msft-jlange and merge upon his approval.
msft-jlange
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Feb 27, 2025
msft-jlange
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Feb 27, 2025
msft-jlange
suggested changes
Feb 27, 2025
Intel TD can receive #VE in certain cases and it should be handled by SVSM. Introduce a virtualization exception handler to handle them. Only the CPUID exit reason is handled right now. Co-developed-by: Peter Fang <peter.fang@intel.com> Signed-off-by: Chuanxiao Dong <chuanxiao.dong@intel.com>
msft-jlange
approved these changes
Mar 3, 2025
msft-jlange
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Intel TD can receive #VE in certain cases and it should be handled by SVSM. Introduce a virtualization exception handler to handle them. Only the CPUID exit reason is handled right now.