Re: [Ocf-linux-users] Clarification regarding kernel talitos & OCF talitios driver

[Shivdas G. <shi...@gm...>]

On Thu, Feb 3, 2011 at 3:23 PM, David McCullough
<dav...@mc...> wrote:
>
> Jivin Shivdas Gujare lays it down ...
>> Hi David,
>>
>> thanks for your prompt reply.
>>
>> So, do you have  any idea how drivers/crypto/talitos.c driver is
>> accessible via userspace,
>> much like how OCF taltios driver is accessible to openssl via /dev/crypto.
>>
>> I am not able to find as of the interface from userspace to the kernel
>> driver drivers/crypto/talitos.c.
>
> You can still use OCF with its cryptosoft driver to access the in-kernel
> talitos driver from user space.  OCF's cryptosoft driver utilises the
> in-kernel crypto drivers to do the work,

Thanks David,

do you know any other way to access kernel hardware acceleration
drivers from userspace
other than using OCF framework?

-Regards,
Shivdas





>
> Cheers,
> Davidm
>
>>
>> Thanks and Regards,
>> Shihvdas Gujare
>>
>> On Thu, Feb 3, 2011 at 2:04 PM, David McCullough
>> <dav...@mc...> wrote:
>> >
>> > Jivin Shivdas Gujare lays it down ...
>> >> Hi All,
>> >>
>> >> I have seen two implementation for the crypto acceleration driver
>> >> talitos.c on in
>> >> kernel/drivers/crypto/talitios.c and another in crypto/ocf/talitos/talitos.c
>> >>
>> >> I understand that crypto/ocf/talitos/talitos.c is a driver based on
>> >> OCF-linux framework,
>> >> but not sure how is it related to kernel driver kernel/drivers/crypto/talitios.c
>> >>
>> >> or in simple words why there are two similar drivers are available in
>> >> the kernel?
>> >
>> > Only one is available in the kernel, kernel/drivers/crypto/talitios.c.
>> >
>> > The other one is part of OCF, ??and OCF is not part of the linux kernel :-)
>> >
>> > The OCF version of the talitos driver was written before linux had adequate
>> > HW crypto support, ??but now it does and a rtalitos driver has been written
>> > for and accepted into the kernel.
>> >
>> > Hope that helps :-)
>> >
>> > Cheers,
>> > Davidm
>> >
>> > --
>> > David McCullough, ?? ?? ??dav...@mc..., ??Ph:+61 734352815
>> > McAfee - SnapGear ?? ?? ??http://www.mcafee.com ?? ?? ?? ?? http://www.uCdot.org
>> >
>>
>>
>
> --
> David McCullough,      dav...@mc...,  Ph:+61 734352815
> McAfee - SnapGear      http://www.mcafee.com         http://www.uCdot.org
>