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

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

Jivin Shivdas Gujare lays it down ...
> 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?

There are a few OCF like (and cryptodev compatible) variants.  I don't know
of enything specific for linux that is usable and potentially better,

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
> >
> 
> 

-- 
David McCullough,      dav...@mc...,  Ph:+61 734352815
McAfee - SnapGear      http://www.mcafee.com         http://www.uCdot.org