Re: Fwd: [PATCH v3 0/5] mmc: Add access to RPMB partition

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On Wed, 2012-11-14 at 12:58 -0800, Krishna Konda wrote:

> From: Loic Pallardy <loic.pallardy-ext@xxxxxxxxxxxxxx>
> Date: Mon, Aug 6, 2012 at 8:12 AM
> Subject: [PATCH v3 0/5] mmc: Add access to RPMB partition
> To: linux-mmc@xxxxxxxxxxxxxxx, Chris Ball <cjb@xxxxxxxxxx>
> Cc: Linus Walleij <linus.walleij@xxxxxxxxxx>, STEricsson_nomadik_linux
> <STEricsson_nomadik_linux@xxxxxxxxxxx>, Ulf Hansson
> <ulf.hansson@xxxxxxxxxxxxxx>, Loic Pallardy
> <loic.pallardy-ext@xxxxxxxxxxxxxx>
> 
> 
> The goal of this patchserie is to offer access to MMC RPMB
> (Replay Protected Memory Block) partition.
> The RPMB partition is used in general to store some secure data.
> It is accessible through a trusted mechanism described in
> JEDEC standard JESD84-A441.
> 
> This patchserie proposes following modifications:
> - detect RPMB capability and create RPMB block device if supported
> - extend MMC sysfs to provide access to RPMB partition size and
>   reliable write sector count (information needed by user space to
>   acces RPMB partition)
> - update IOCTL to support RPMB access. This includes automatic
> partition
>   switch and sending of Set Block Count (CMD23) message.
> 
> RPMB partition becomes accessible using standard IOCTL interface.
> Patches don't include trusted mechanism or any verification.
> It is user space or secure application responsability to provide the
> right
> command and the entire data frame as defined by JEDEC standard.
> ---
> Changes in v2:
> - Correction in patch 2: mmc: card: Do not scan RPMB partitions
>   Remove GENHD_FL_EXT_DEVT flag
> 
> Changes in v3:
> - Add acked-by and reviewed-by tags
> ---
> Loic Pallardy (5):
>   mmc: core: Expose access to RPMB partition
>   mmc: card: Do not scan RPMB partitions
>   mmc: core: Extend sysfs to ext_csd parameters for RPMB support
>   mmc: core: Add mmc_set_blockcount feature
>   mmc: card: Add RPMB support in IOCTL interface
> 
>  Documentation/mmc/mmc-dev-attrs.txt |  7 ++++
>  drivers/mmc/card/block.c            | 66
> +++++++++++++++++++++++++++++++++++++
>  drivers/mmc/core/core.c             | 14 ++++++++
>  drivers/mmc/core/mmc.c              | 15 +++++++++
>  include/linux/mmc/card.h            |  2 ++
>  include/linux/mmc/core.h            |  2 ++
>  include/linux/mmc/mmc.h             |  2 ++
>  7 files changed, 108 insertions(+)
> 

Hi Loic, Chris, are there any plans to merge these patchsets? I did not
see this in mmc-next.


Thanks,
Krishna Konda
--
Sent by an employee of the Qualcomm Innovation Center, Inc.
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