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SubjectRe: [PATCH 0/2] crypto: intel-fcs: Add crypto service driver for Intel SoCFPGA
Date
From: wen.ping.teh@intel.com

>From: Dmitry Baryshkov @ 2022-09-15 11:46 UTC (permalink / raw)
>> From: wen.ping.teh@intel.com
>>
>>> This patch introduces a crypto service driver for Intel SoCFPGA
>>> family. The FPGA Crypto Service (FCS) includes a large set of security
>>> features that are provided by the Secure Device Manager(SDM) in FPGA.
>>> The driver provide IOCTL interface for user to call the crypto services
>>> and send them to SDM's mailbox.
>>>
>>> Teh Wen Ping (2):
>>> crypto: intel-fcs: crypto service driver for Intel SoCFPGA family
>>> arm64: defconfig: add CRYPTO_DEV_INTEL_FCS
>> Hi,
>>
>> I just found out that there was a previous attempt to upstream this driver
>> 2 years ago. It was NACK because it did not implement crypto API. Please
>> drop this review.
>> https://www.mail-archive.com/linux-crypto@vger.kernel.org/msg44701.html
>>
>> I will move this driver to drivers/misc.
>
>I think the proper solution would be to implement the existing API first
>rather than adding a set of custom proprietary IOCTLs that nobody else
>is going to use.

Could you explain what are the existing API that you are referring?
The FCS driver doesn't have API. Instead it uses IOCTLs to interact with user-space application to perform Intel SoCFPGA crypto features.

Thanks
Wen Ping
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