[PATCH v19 17/27] x86/sgx: Add provisioning

[Huang, Kai]

> On Thu, Mar 21, 2019 at 02:08:36AM +0000, Huang, Kai wrote:
> > On Tue, 2019-03-19 at 13:09 -0700, Sean Christopherson wrote:
> > > On Sun, Mar 17, 2019 at 11:14:46PM +0200, Jarkko Sakkinen wrote:
> > > > In order to provide a mechanism for devilering provisoning rights:
> > > >
> > > > 1. Add a new file to the securityfs file called sgx/provision that works
> > > >    as a token for allowing an enclave to have the provisioning privileges.
> > > > 2. Add a new ioctl called SGX_IOC_ENCLAVE_SET_ATTRIBUTE that
> accepts the
> > > >    following data structure:
> > > >
> > > >    struct sgx_enclave_set_attribute {
> > > >            __u64 addr;
> > > >            __u64 token_fd;
> > > >    };
> >
> > Would you elaborate why the name is "token_fd"? I think *token* in SGX
> > has more specific meaning?
> 
> I'm open for other names.

How about attribute_fd, which is consistent with your IOCTL?

Thanks,
-Kai