Hi Greg,
On 01/19/2017 12:21 PM, Greg KH wrote:
On Thu, Jan 19, 2017 at 01:07:50PM -0500, Brijesh Singh wrote:
The CCP device (drivers/crypto/ccp/ccp.ko) is part of AMD Secure Processor,
which is not dedicated solely to crypto. The AMD Secure Processor includes
CCP and PSP (Platform Secure Processor) devices.
This patch series moves the CCP device driver to the misc directory and
creates a framework that allows functional component of the AMD Secure
Processor to be initialized and handled appropriately.
Why the misc directory? I don't see the justification here...
Since this driver is not solely for crypto purposes and do not fit in
any of the standard categories hence I thought of moving it into misc
directory. I am open to other suggestions unless Herbert is ok with
leaving it into crypto and allowing the addition of the Secure Processor
support.
The patch series allows the CCP driver to support other Secure Processor
functions, e.g Secure Encrypted Virtualization (SEV) key management. In
past, I tried to add SEV support into existing CCP driver [1] but we
quickly learned that CCP driver should be moved outside the crypto
directory otherwise will end up adding non crypto code into
drivers/crypto directory. Once this cleanup is accepted then I can work
to add SEV support inside the CCP driver.
[1] http://marc.info/?l=linux-kernel&m=147204118426151&w=2
-Brijesh
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