Re: [PATCH v2 03/31] x86/virt/tdx: Add tdx_page_array helpers for new TDX Module objects

Tony Lindgren
2026-04-01T07:25:55Z

On Mon, Mar 30, 2026 at 11:25:08PM +0000, Edgecombe, Rick P wrote:
> On Mon, 2026-03-30 at 18:25 +0800, Xu Yilun wrote:
> > The caller is not aware of singleton mode. Actually, I'm trying to make
> > the tdx_page_array independent of HPA_ARRAY_T or HPA_LIST_INFO details
> > when allocating/populating, root page is still populated even not needed
> > for singleton mode. The differences only happen when collaping the struct
> > into u64 SEAMCALL parameters.
>
> It seems tdx_page_array combines two concepts. An array of pages, and the method
> that the pages get handed to the TDX module. What if we broke apart these
> concepts?

We could add an enum for the LIST_INFO type to intialized the tdx_page_array?

Then the code using the tdx_page_array could initialize the root page based on
the LIST_INFO type for the SEAMCALL.

Regards,

Tony