Add error codes for ENCLS[EUPDATESVN], then SGX CPUSVN update process can know the execution state of EUPDATESVN.
Code is from previous submission in https://lore.kernel.org/all/20220520103904.1216-1-cathy.zh...@intel.com/T/#m1becf67078dc8c59d454e2e6c6d67ca64db341a4 Co-developed-by: Cathy Zhang <cathy.zh...@intel.com> Signed-off-by: Cathy Zhang <cathy.zh...@intel.com> Co-developed-by: Elena Reshetova <elena.reshet...@intel.com> Signed-off-by: Elena Reshetova <elena.reshet...@intel.com> --- arch/x86/include/asm/sgx.h | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/arch/x86/include/asm/sgx.h b/arch/x86/include/asm/sgx.h index 6a0069761508..8ba39bbf4e91 100644 --- a/arch/x86/include/asm/sgx.h +++ b/arch/x86/include/asm/sgx.h @@ -73,6 +73,11 @@ 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 +86,9 @@ 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, }; -- 2.45.2
