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From: "Jérôme Forissier" <jerome.forissier@linaro.org>
To: "Winkler, Tomas" <tomas.winkler@intel.com>,
	"Greg Kroah-Hartman" <gregkh@linuxfoundation.org>,
	"Ulf Hansson" <ulf.hansson@linaro.org>,
	"Adrian Hunter" <adrian.hunter@intel.com>,
	"James Bottomley" <James.Bottomley@HansenPartnership.com>,
	"Martin K. Petersen" <martin.petersen@oracle.com>,
	"Vinayak Holikatti" <vinholikatti@gmail.com>,
	"Andy Lutomirski" <luto@kernel.org>,
	"Arve Hjønnevåg" <arve@android.com>,
	"Michael Ryleev" <gmar@google.com>,
	"Joao Pinto" <Joao.Pinto@synopsys.com>,
	"Christoph Hellwig" <hch@lst.de>,
	"Yaniv Gardi" <ygardi@codeaurora.org>
Cc: linux-kernel@vger.kernel.org, linux-mmc@vger.kernel.org,
	linux-scsi@vger.kernel.org
Subject: Re: [v4,4/8] char: rpmb: provide user space interface
Date: Thu, 2 Jun 2016 15:44:57 +0200	[thread overview]
Message-ID: <57503859.6090605@linaro.org> (raw)
In-Reply-To: <1464817292-5407-5-git-send-email-tomas.winkler@intel.com>

Hi Tomas,

On 06/01/2016 11:41 PM, Winkler, Tomas wrote:
> The user space API is achieved via single synchronous IOCTL.
> The request is submitted in in_frames_ptr pointer and received
> in out_frames_ptr.

I like this, because it's exactly what I wish existed when I wrote the
eMMC RPMB back-end for OP-TEE secure storage [1] ;-)

Same goes for patch 5/8 "char: rpmb: add RPMB simulation device": with
this I could just drop my custom simulation layer.

So, this goes in the right direction IMHO.

[1]
https://github.com/OP-TEE/optee_client/blob/master/tee-supplicant/src/rpmb.c

-- 
Jerome

  reply	other threads:[~2016-06-02 13:44 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-06-01 21:41 [PATCH v4 0/8] Replay Protected Memory Block (RPMB) subsystem Tomas Winkler
2016-06-01 21:41 ` [PATCH v4 1/8] rpmb: add " Tomas Winkler
2016-06-01 21:41 ` [PATCH v4 2/8] char: rpmb: add sysfs-class ABI documentation Tomas Winkler
2016-06-01 21:41 ` [PATCH v4 3/8] char: rpmb: add device attributes Tomas Winkler
2016-06-01 21:41 ` [PATCH v4 4/8] char: rpmb: provide user space interface Tomas Winkler
2016-06-02 13:44   ` Jérôme Forissier [this message]
2016-06-01 21:41 ` [PATCH v4 5/8] char: rpmb: add RPMB simulation device Tomas Winkler
2016-06-01 21:41 ` [PATCH v4 6/8] tools rpmb: add RPBM access tool Tomas Winkler
2016-06-01 21:41 ` [PATCH v4 7/8] mmc: block: register RPMB partition with the RPMB subsystem Tomas Winkler
2016-06-23  6:17   ` Adrian Hunter
2016-06-27 10:17     ` Winkler, Tomas
2016-06-01 21:41 ` [PATCH v4 8/8] scsi: ufs: connect to " Tomas Winkler
2016-06-01 23:21 ` [PATCH v4 0/8] Replay Protected Memory Block (RPMB) subsystem Arve Hjønnevåg
2016-06-02 13:17   ` Winkler, Tomas
2016-06-02 22:35     ` Arve Hjønnevåg

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