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According to the Intel website, QuickAssist provides ...
* "Accelerated performance for demanding applications with Front Side Bus
attached Field Programmable Gate Array (FSB-FPGA) hardware modules.
* Agility to migrate from one technology to another with minimum impact
to applications with Intel QuickAssist Technology Accelerator Abstraction
Layer (AAL).
* Support for small form factor accelerators with emerging technology
codenamed "Tolapai" that combines numerous powerful enabling technology
on a single chip.
* Broad sweeping accelerator improvements with protocol and speed
improvements to PCI Express* 2.0 initially proposed by Intel and IBM
(called Geneseo*). PCI Express* 3.0 is expected to be the PCI-SIG's
response to this proposal and will improve accelerator efficiency and
double delivered bandwidth to 8GT/s."
(Source: http://www.intel.com/technology/platforms/quickassist/index.htm)
In other words: it's a vendor-independent interface that manufacturers of
hardware crypto acceleration can use to provide hardware crypto, make it
available via a standard instruction set / driver and thus reduce driver
development efforts.
I think it would be nice to have such a driver and hook that into
opencrypto(9).
After looking at the existing code a bit, I think this cold be done as a
Summer-of-Code project (assuming availability of specs and possibly
hardware).
- Hubert
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