From: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
To: Tadeusz Struk <tadeusz.struk@intel.com>
Cc: jgg@ziepe.ca, linux-integrity@vger.kernel.org
Subject: Re: [PATCH] tpm: add support for nonblocking operation
Date: Mon, 4 Jun 2018 22:55:54 +0300 [thread overview]
Message-ID: <20180604195554.GD2691@linux.intel.com> (raw)
In-Reply-To: <152780934926.32219.7291994735609525171.stgit@tstruk-mobl1.jf.intel.com>
On Thu, May 31, 2018 at 04:29:09PM -0700, Tadeusz Struk wrote:
> The TCG SAPI specification [1] defines a set of functions, which allows
> applications to use the TPM device in either blocking or non-blocking fashion.
> Each command defined by the specification has a corresponding
> Tss2_Sys_<COMMAND>_Prepare() and Tss2_Sys_<COMMAND>_Complete() call, which
> together with Tss2_Sys_ExecuteAsync() is designed to allow asynchronous
> mode of operation. Currently the driver supports only blocking calls, which
> doesn't allow asynchronous operation. This patch changes it and adds support
> for nonblocking write and a new poll function to enable applications using
> the API as designed by the spec.
> The new functionality can be tested using standard TPM tools implemented
> in [2], with modified TCTI from [3].
I would need some statistics before I have interest to take these
changes in any form eg use case where this matters in the end.
/Jarkko
next prev parent reply other threads:[~2018-06-04 19:55 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-05-31 23:29 [PATCH] tpm: add support for nonblocking operation Tadeusz Struk
2018-06-01 14:37 ` Jason Gunthorpe
2018-06-01 16:55 ` Tadeusz Struk
2018-06-01 17:17 ` Jason Gunthorpe
2018-06-12 0:20 ` [PATCH v2 0/2] " Tadeusz Struk
2018-06-12 0:20 ` [PATCH v2 1/2] tpm: add ptr to the tpm_space struct to file_priv Tadeusz Struk
2018-06-12 0:20 ` [PATCH v2 2/2] tpm: add support for nonblocking operation Tadeusz Struk
2018-06-12 2:53 ` kbuild test robot
2018-06-12 4:46 ` Tadeusz Struk
2018-06-12 17:39 ` Tadeusz Struk
2018-06-04 19:55 ` Jarkko Sakkinen [this message]
2018-06-04 19:56 ` [PATCH] " Jarkko Sakkinen
2018-06-08 19:36 ` flihp
2018-06-12 0:13 ` Tadeusz Struk
2018-06-18 18:26 ` Jarkko Sakkinen
2018-06-12 1:43 ` James Bottomley
2018-06-18 18:25 ` Jarkko Sakkinen
2018-07-05 23:15 ` flihp
2018-07-16 17:34 ` Jarkko Sakkinen
2018-07-16 20:10 ` Tadeusz Struk
2018-07-23 17:38 ` Jarkko Sakkinen
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