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 <[email protected]>
> ---
[...]
>
> /**
> @@ -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.
