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

[David M. <dav...@mc...>]

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,

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