Re: [edk2-devel] [PATCH V9 3/4] OvmfPkg: Add IntelTdxMetadata.asm

2021-10-13 Thread Gerd Hoffmann
On Wed, Oct 13, 2021 at 06:44:28AM -0500, Brijesh Singh wrote: > > On 10/12/21 12:22 AM, Gerd Hoffmann via groups.io wrote: > > Hi, > > > >> +; - Type field means this section is of BFV. This field is designed for > >> the > >> +; purpose that in some case host VMM may do some additional proc

Re: [edk2-devel] [PATCH V9 3/4] OvmfPkg: Add IntelTdxMetadata.asm

2021-10-13 Thread Brijesh Singh via groups.io
On 10/12/21 12:22 AM, Gerd Hoffmann via groups.io wrote: > Hi, > >> +; - Type field means this section is of BFV. This field is designed for the >> +; purpose that in some case host VMM may do some additional processing >> based >> +; upon the section type. TdHob section is an example. Hos

Re: [edk2-devel] [PATCH V9 3/4] OvmfPkg: Add IntelTdxMetadata.asm

2021-10-12 Thread Gerd Hoffmann
Hi, > +; - Type field means this section is of BFV. This field is designed for the > +; purpose that in some case host VMM may do some additional processing > based > +; upon the section type. TdHob section is an example. Host VMM pass the > +; physical memory information to the guest fir

[edk2-devel] [PATCH V9 3/4] OvmfPkg: Add IntelTdxMetadata.asm

2021-10-11 Thread Min Xu
RFC: https://bugzilla.tianocore.org/show_bug.cgi?id=3429 In TDX when host VMM creates a new guest TD, some initial set of TD-private pages are added using the TDH.MEM.PAGE.ADD function. These pages typically contain Virtual BIOS code and data along with some clear pages for stacks and heap. In the