linux-kernel - Re: [PATCH v2 8/8] scsi: ufs: connect to RPMB subsystem

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Date:	Thu, 7 Apr 2016 21:15:30 +0000
From:	"Winkler, Tomas" <tomas.winkler@...el.com>
To:	"vinholikatti@...il.com" <vinholikatti@...il.com>,
	"martin.petersen@...cle.com" <martin.petersen@...cle.com>,
	"Joao.Pinto@...opsys.com" <Joao.Pinto@...opsys.com>,
	"James.Bottomley@...senPartnership.com" 
	<James.Bottomley@...senPartnership.com>,
	"gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>,
	"luto@...nel.org" <luto@...nel.org>,
	"ulf.hansson@...aro.org" <ulf.hansson@...aro.org>,
	"Hunter, Adrian" <adrian.hunter@...el.com>
CC:	"hch@....de" <hch@....de>,
	"linux-mmc@...r.kernel.org" <linux-mmc@...r.kernel.org>,
	"ygardi@...eaurora.org" <ygardi@...eaurora.org>,
	"linux-scsi@...r.kernel.org" <linux-scsi@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"Usyskin, Alexander" <alexander.usyskin@...el.com>
Subject: Re: [PATCH v2 8/8] scsi: ufs: connect to RPMB subsystem

On Wed, 2016-04-06 at 09:51 +0100, Joao Pinto wrote:
> Hi!
> 
> On 4/4/2016 12:11 PM, Tomas Winkler wrote:
> > Register UFS RPMB LUN with the RPMB subsystem and provide
> > implementation for the RPMB access operations. RPMB partition is
> > accessed via a sequence of security protocol in and security
> > protocol
> > out commands with UFS specific parameters. This multi step process
> > is
> > abstracted into 4 basic RPMB commands.
> 
> [snip]
> 
> >  	 * "UFS device" W-LU.
> >  	 */
> >  	struct scsi_device *sdev_ufs_device;
> > +	struct scsi_device *sdev_ufs_rpmb;
> >  
> >  	enum ufs_dev_pwr_mode curr_dev_pwr_mode;
> >  	enum uic_link_state uic_link_state;
> > 
> 
> I have a UFS device emulator that has the RPMB capability. What are
> the expected
> good results for me to validate?

Hi Joao, thanks for that. I'm attaching an archive with few basic
samples via user space interface. 
You should run the program key first (program-key.sh), just don't do it
on a real device it's one in life time operation. 

Thanks
Tomas
Download attachment "rpmb-scripts.tar.bz2" of type "application/x-bzip-compressed-tar" (650 bytes)