Messages in this thread | ![/](/images/icornerl.gif) | | From | "Huang, Kai" <> | Subject | Re: [PATCH v8 04/16] x86/virt/tdx: Add skeleton to initialize TDX on demand | Date | Sun, 8 Jan 2023 22:26:29 +0000 |
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On Fri, 2023-01-06 at 09:14 -0800, Dave Hansen wrote: > On 12/8/22 22:52, Kai Huang wrote: > > > > The TDX module will be initialized in multi-steps defined by the TDX > > module and most of those steps involve a specific SEAMCALL: > > > > 1) Get the TDX module information and TDX-capable memory regions > > (TDH.SYS.INFO). > > 2) Build the list of TDX-usable memory regions. > > 3) Construct a list of "TD Memory Regions" (TDMRs) to cover all > > TDX-usable memory regions. > > 4) Pick up one TDX private KeyID as the global KeyID. > > 5) Configure the TDMRs and the global KeyID to the TDX module > > (TDH.SYS.CONFIG). > > 6) Configure the global KeyID on all packages (TDH.SYS.KEY.CONFIG). > > 7) Initialize all TDMRs (TDH.SYS.TDMR.INIT). > > I don't think you really need this *AND* the "TODO" comments in > init_tdx_module(). Just say: > > Add a placeholder tdx_enable() to initialize the TDX module on > demand. The TODO list will be pared down as functionality is > added.
Yes agreed. Will do. Thanks.
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