On Tue, Jan 03, 2023 at 04:26:59PM +0800, "Wang, Lei" <lei4.wang@xxxxxxxxx> wrote: > On 10/30/2022 2:22 PM, isaku.yamahata@xxxxxxxxx wrote: > > > ** Detecting the TDX module readiness. > > TDX host patch series implements the detection of the TDX module availability > > and its initialization so that KVM can use it. Also it manages Host KeyID > > (HKID) assigned to guest TD. > > The assumed APIs the TDX host patch series provides are > > - int seamrr_enabled() > > Check if required cpu feature (SEAM mode) is available. This only check CPU > > feature availability. At this point, the TDX module may not be ready for KVM > > to use. > > - int init_tdx(void); > > Initialization of TDX module so that the TDX module is ready for KVM to use. > > - const struct tdsysinfo_struct *tdx_get_sysinfo(void); > > Return the system wide information about the TDX module. NULL if the TDX > > isn't initialized. > > - u32 tdx_get_global_keyid(void); > > Return global key id that is used for the TDX module itself. > > - int tdx_keyid_alloc(void); > > Allocate HKID for guest TD. > > - void tdx_keyid_free(int keyid); > > Free HKID for guest TD. > > tdx_enable() is introduced by TDX host patch series and used in patch 5, should > it be added to this list too? Thanks, I've updated the cover letter to catch up the host tdx patch series v10. -- Isaku Yamahata <isaku.yamahata@xxxxxxxxx>
