> -----Original Message----- > From: Huang, Kai <[email protected]> > Sent: Thursday, August 7, 2025 2:42 AM > To: Reshetova, Elena <[email protected]>; Hansen, Dave > <[email protected]> > Cc: [email protected]; [email protected]; Scarlata, Vincent R > <[email protected]>; [email protected]; [email protected]; > Annapurve, Vishal <[email protected]>; [email protected]; > Mallick, Asit K <[email protected]>; Aktas, Erdem > <[email protected]>; Cai, Chong <[email protected]>; Bondarevska, > Nataliia <[email protected]>; [email protected]; Raynor, Scott > <[email protected]> > Subject: Re: [PATCH v11 3/5] x86/sgx: Define error codes for use by > ENCLS[EUPDATESVN] > > On Wed, 2025-08-06 at 11:11 +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 <[email protected]> > > --- > > arch/x86/include/asm/sgx.h | 6 ++++++ > > 1 file changed, 6 insertions(+) > > > > diff --git a/arch/x86/include/asm/sgx.h b/arch/x86/include/asm/sgx.h > > index 6a0069761508..2da5b3b117a1 100644 > > --- a/arch/x86/include/asm/sgx.h > > +++ b/arch/x86/include/asm/sgx.h > > @@ -73,6 +73,10 @@ 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_NO_UPDATE: EUPDATESVN could not update the > CPUSVN because the > > + * current SVN was not newer than CPUSVN. This > is the most > > + * common error code returned by EUPDATESVN. > > * %SGX_UNMASKED_EVENT: An unmasked event, e.g. INTR, was > received > > */ > > enum sgx_return_code { > > @@ -81,6 +85,8 @@ enum sgx_return_code { > > SGX_CHILD_PRESENT = 13, > > SGX_INVALID_EINITTOKEN = 16, > > SGX_PAGE_NOT_MODIFIABLE = 20, > > + SGX_INSUFFICIENT_ENTROPY = 29, > > + SGX_NO_UPDATE = 31, > > It seems the tap/writespace is broken, i.e., this error code is not > aligned with others.
Not sure how this happened, will fix. > > > SGX_UNMASKED_EVENT = 128, > > }; > >
