linux-kernel - Re: [PATCH v9 2/4] tpm: Proxy driver for supporting multiple emulated TPMs

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Date:	Mon, 11 Apr 2016 11:43:58 +0300
From:	Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>
To:	Stefan Berger <stefanb@...ux.vnet.ibm.com>
Cc:	tpmdd-devel@...ts.sourceforge.net, jgunthorpe@...idianresearch.com,
	linux-security-module@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-doc@...r.kernel.org,
	linux-api@...r.kernel.org
Subject: Re: [PATCH v9 2/4] tpm: Proxy driver for supporting multiple
 emulated TPMs

On Thu, Apr 07, 2016 at 11:49:44AM -0400, Stefan Berger wrote:
> On 04/07/2016 08:35 AM, Jarkko Sakkinen wrote:
> >On Tue, Mar 29, 2016 at 02:19:12PM -0400, Stefan Berger wrote:
> >>This patch implements a proxy driver for supporting multiple emulated TPMs
> >>in a system.
> >>
> >>The driver implements a device /dev/vtpmx that is used to created
> >>a client device pair /dev/tpmX (e.g., /dev/tpm10) and a server side that
> >>is accessed using a file descriptor returned by an ioctl.
> >>The device /dev/tpmX is the usual TPM device created by the core TPM
> >>driver. Applications or kernel subsystems can send TPM commands to it
> >>and the corresponding server-side file descriptor receives these
> >>commands and delivers them to an emulated TPM.
> >>
> >>Signed-off-by: Stefan Berger <stefanb@...ux.vnet.ibm.com>
> >>CC: linux-kernel@...r.kernel.org
> >>CC: linux-doc@...r.kernel.org
> >>CC: linux-api@...r.kernel.org
> >Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>
> >Tested-by: Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>
> 
> Thanks. So I can post a v10 where I have to re-introduce the priv field but
> put it into the tpm_chip struct. Obviously it needs this field. I am not
> sure whether you'll let me take the Reviewed-by and Tested-by, though?

Lets hold for them then. I'll do retest when I get the new series.

>    Stefan

/Jarkko