Messages in this thread | | | Date | Fri, 31 Mar 2023 14:59:18 +0800 | Subject | Re: [PATCH v13 016/113] KVM: TDX: x86: Add ioctl to get TDX systemwide parameters | From | Xiaoyao Li <> |
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On 3/25/2023 4:43 PM, Zhi Wang wrote: > On Sun, 12 Mar 2023 10:55:40 -0700 > isaku.yamahata@intel.com wrote: > > Does this have to be a new generic ioctl with a dedicated new x86_ops? SNP > does not use it at all and all the system-scoped ioctl of SNP going through > the CCP driver. So getting system-scope information of TDX/SNP will end up > differently. > > Any thought, Sean? Moving getting SNP system-wide information to > KVM dev ioctl seems not ideal and TDX does not have a dedicated driver like > CCP. Maybe make this ioctl TDX-specific? KVM_TDX_DEV_OP?
What's the real different of it? For me, it's just renaming KVM_MEMORY_ENCRYPT_OP to KVM_TDX_DEV_OP and maybe add some error message if the IOCTL is issued for AMD plaform.
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