Messages in this thread | | | Date | Tue, 5 Apr 2022 14:52:30 +0200 | Subject | Re: [RFC PATCH v5 026/104] KVM: TDX: x86: Add vm ioctl to get TDX systemwide parameters | From | Paolo Bonzini <> |
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On 3/4/22 20:48, isaku.yamahata@intel.com wrote: > Implement a VM-scoped subcomment to get system-wide parameters. Although > this is system-wide parameters not per-VM, this subcomand is VM-scoped > because > - Device model needs TDX system-wide parameters after creating KVM VM. > - This subcommands requires to initialize TDX module. For lazy > initialization of the TDX module, vm-scope ioctl is better.
Since there was agreement to install the TDX module on load, please place this ioctl on the /dev/kvm file descriptor.
At least for SEV, there were cases where the system-wide parameters are needed outside KVM, so it's better to avoid requiring a VM file descriptor.
Thanks,
Paolo
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