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

From: Jarkko Sakkinen
Date: Mon Apr 11 2016 - 04:44:15 EST


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@xxxxxxxxxxxxxxxxxx>
> >>CC: linux-kernel@xxxxxxxxxxxxxxx
> >>CC: linux-doc@xxxxxxxxxxxxxxx
> >>CC: linux-api@xxxxxxxxxxxxxxx
> >Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@xxxxxxxxxxxxxxx>
> >Tested-by: Jarkko Sakkinen <jarkko.sakkinen@xxxxxxxxxxxxxxx>
>
> 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