Re: [RFC PATCH v4 21/36] i386/tdx: Track mem_ptr for each firmware entry of TDVF

[Gerd Hoffmann]

On Thu, May 12, 2022 at 11:17:48AM +0800, Xiaoyao Li wrote:
> For each TDVF sections, QEMU needs to copy the content to guest
> private memory via KVM API (KVM_TDX_INIT_MEM_REGION).
> 
> Introduce a field @mem_ptr for TdxFirmwareEntry to track the memory
> pointer of each TDVF sections. So that QEMU can add/copy them to guest
> private memory later.
> 
> TDVF sections can be classified into two groups:
>  - Firmware itself, e.g., BFV and CFV, that locates separated from guest
>    RAM. It's memory pointer is the bios pointer.
> 
>  - Sections located at guest RAM, e.g., TEMP_MEM and TD_HOB.
>    mmap a new memory range for them.
> 
> Signed-off-by: Xiaoyao Li <xiaoyao.li@intel.com>

Acked-by: Gerd Hoffmann <kraxel@redhat.com>