RE: [PATCH 0/5] CAAM JR lifecycle

[Vakul Garg]

> -----Original Message-----
> From: linux-crypto-owner@xxxxxxxxxxxxxxx <linux-crypto-
> owner@xxxxxxxxxxxxxxx> On Behalf Of Andrey Smirnov
> Sent: Tuesday, November 5, 2019 8:44 PM
> To: linux-crypto@xxxxxxxxxxxxxxx
> Cc: Andrey Smirnov <andrew.smirnov@xxxxxxxxx>; Chris Healy
> <cphealy@xxxxxxxxx>; Lucas Stach <l.stach@xxxxxxxxxxxxxx>; Horia Geanta
> <horia.geanta@xxxxxxx>; Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>;
> Iuliana Prodan <iuliana.prodan@xxxxxxx>; dl-linux-imx <linux-
> imx@xxxxxxx>; linux-kernel@xxxxxxxxxxxxxxx
> Subject: [PATCH 0/5] CAAM JR lifecycle
> 
> Everyone:
> 
> This series is a different approach to addressing the issues brought up in
> [discussion]. This time the proposition is to get away from creating per-JR
> platfrom device, move all of the underlying code into caam.ko and disable
> manual binding/unbinding of the CAAM device via sysfs. Note that this series
> is a rough cut intented to gauge if this approach could be acceptable for
> upstreaming.
> 
> Thanks,
> Andrey Smirnov
> 
> [discussion] lore.kernel.org/lkml/20190904023515.7107-13-
> andrew.smirnov@xxxxxxxxx
> 
> Andrey Smirnov (5):
>   crypto: caam - use static initialization
>   crypto: caam - introduce caam_jr_cbk
>   crypto: caam - convert JR API to use struct caam_drv_private_jr
>   crypto: caam - do not create a platform devices for JRs
>   crypto: caam - disable CAAM's bind/unbind attributes
> 

To access caam jobrings from DPDK (user space drivers), we unbind job-ring's platform device from the kernel.
What would be the alternate way to enable job ring drivers in user space?


>  drivers/crypto/caam/Kconfig      |   5 +-
>  drivers/crypto/caam/Makefile     |  15 +--
>  drivers/crypto/caam/caamalg.c    | 114 ++++++++++----------
>  drivers/crypto/caam/caamalg_qi.c |  12 +--
>  drivers/crypto/caam/caamhash.c   | 117 +++++++++++----------
>  drivers/crypto/caam/caampkc.c    |  67 ++++++------
>  drivers/crypto/caam/caampkc.h    |   2 +-
>  drivers/crypto/caam/caamrng.c    |  41 ++++----
>  drivers/crypto/caam/ctrl.c       |  16 ++-
>  drivers/crypto/caam/intern.h     |   3 +-
>  drivers/crypto/caam/jr.c         | 173 ++++++++-----------------------
>  drivers/crypto/caam/jr.h         |  14 ++-
>  drivers/crypto/caam/key_gen.c    |  11 +-
>  drivers/crypto/caam/key_gen.h    |   5 +-
>  14 files changed, 275 insertions(+), 320 deletions(-)
> 
> --
> 2.21.0