On Mon, 2025-05-19 at 11:30 +0000, Reshetova, Elena wrote:
> > On Mon, 2025-05-19 at 10:24 +0300, Elena Reshetova wrote:
> > > Add error codes for ENCLS[EUPDATESVN], then SGX CPUSVN update
> > > process can know the execution state of EUPDATESVN and notify
> > > userspace.
> > >
> > > Signed-off-by: Elena Reshetova <elena.reshet...@intel.com>
> > > ---
> >
> > [...]
> >
> > >
> > > /**
> > > @@ -73,6 +74,11 @@ enum sgx_encls_function {
> > > * public key does not match
> > IA32_SGXLEPUBKEYHASH.
> > > * %SGX_PAGE_NOT_MODIFIABLE: The EPC page cannot be modified
> > because it
> > > * is in the PENDING or MODIFIED state.
> > > + * %SGX_INSUFFICIENT_ENTROPY: Insufficient entropy in RNG.
> > > + * %SGX_EPC_NOT_READY: EPC is not ready for SVN
> > update.
> > > + * %SGX_NO_UPDATE: EUPDATESVN was successful, but
> > CPUSVN was not
> > > + * updated because current SVN was not
> > > newer
> > than
> > > + * CPUSVN.
> > > * %SGX_UNMASKED_EVENT: An unmasked event, e.g. INTR, was
> > received
> > > */
> > > enum sgx_return_code {
> > > @@ -81,6 +87,9 @@ enum sgx_return_code {
> > > SGX_CHILD_PRESENT = 13,
> > > SGX_INVALID_EINITTOKEN = 16,
> > > SGX_PAGE_NOT_MODIFIABLE = 20,
> > > + SGX_INSUFFICIENT_ENTROPY = 29,
> > > + SGX_EPC_NOT_READY = 30,
> > > + SGX_NO_UPDATE = 31,
> > > SGX_UNMASKED_EVENT = 128,
> > > };
> > >
> >
> > It doesn't seem SGX_EPC_NOT_READY is used in this series.
>
>
> You are right, not anymore. However, it is a valid return code for the
> EUPDATESVN command.
> Do we want to drop this one?
I think we should drop if it is not used.
