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?