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From: Jarkko Sakkinen <jarkko.sakkinen-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
To: Jason Gunthorpe
	<jgunthorpe-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
Cc: tpmdd-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org,
	Ken Goldman <kgoldman-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
Subject: Re: Question on Linux TSS architecture design (kernel vs. user space access)
Date: Sun, 3 Jan 2016 15:53:46 +0200	[thread overview]
Message-ID: <20160103135346.GA4047@intel.com> (raw)
In-Reply-To: <20160102203957.GA19490-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>

On Sat, Jan 02, 2016 at 01:39:57PM -0700, Jason Gunthorpe wrote:
> Ie the first step would be to create a new /dev/ node for the
> 'virtualized' tpm (vs the raw tpm we have now). We'd want to have some
> idea exactly what that is and exactly what the UAPI looks like, and
> make decsisions like, should there be one per tpm or one for all tpms?

Or you can get a new context when you open tpm device. There are
multiple options.

/Jarkko

------------------------------------------------------------------------------

  parent reply	other threads:[~2016-01-03 13:53 UTC|newest]

Thread overview: 40+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-12-13 15:42 [PATCH v2 0/3] TPM 2.0 trusted key features for v4.5 Jarkko Sakkinen
2015-12-13 15:42 ` Jarkko Sakkinen
2015-12-13 15:42 ` Jarkko Sakkinen
2015-12-13 15:42 ` [PATCH v2 1/3] keys, trusted: fix: *do not* allow duplicate key options Jarkko Sakkinen
2015-12-14 13:46   ` Mimi Zohar
2015-12-14 14:54     ` Jarkko Sakkinen
2015-12-13 15:42 ` [PATCH v2 2/3] keys, trusted: select hash algorithm for TPM2 chips Jarkko Sakkinen
2015-12-13 15:42   ` Jarkko Sakkinen
2015-12-13 15:42 ` [PATCH v2 3/3] keys, trusted: seal with a TPM2 authorization policy Jarkko Sakkinen
2015-12-14 13:49   ` Mimi Zohar
2015-12-14 14:56     ` Jarkko Sakkinen
     [not found] ` <20151214095830.GA21291@intel.com>
     [not found]   ` <C5A28EF7B98F574C85C70238C8E9ECC04E682BF197@ABGEX74E.FSC.NET>
     [not found]     ` <20151214112501.GA26100@intel.com>
     [not found]       ` <C5A28EF7B98F574C85C70238C8E9ECC04E682BF19D@ABGEX74E.FSC.NET>
     [not found]         ` <20151215233237.GA31965@obsidianresearch.com>
     [not found]           ` <201512161652.tBGGqWPG019442@d03av04.boulder.ibm.com>
     [not found]             ` <20151216171633.GB32594@obsidianresearch.com>
     [not found]               ` <201512161721.tBGHLqXh009986@d03av03.boulder.ibm.com>
     [not found]                 ` <20151216174523.GC32594@obsidianresearch.com>
     [not found]                   ` <201512161804.tBGI47vu000331@d01av02.pok.ibm.com>
     [not found]                     ` <C5A28EF7B98F574C85C70238C8E9ECC04E69407545@ABGEX74E.FSC.NET>
     [not found]                       ` <9F48E1A823B03B4790B7E6E69430724DA5864641@EXCH2010A.sit.fraunhofer.de>
     [not found]                         ` <9F48E1A823B03B4790B7E6E69430724DA5864641-wI35/lLZEdT5yyJIIHUSGGSU2VBt9E6NG9Ur7JDdleE@public.gmane.org>
2015-12-18  0:57                           ` Question on Linux TSS architecture design (kernel vs. user space access) Jason Gunthorpe
     [not found]                       ` <201512171523.tBHFNlJ6013434@d03av03.boulder.ibm.com>
     [not found]                         ` <9F48E1A823B03B4790B7E6E69430724DA58648F1@EXCH2010A.sit.fraunhofer.de>
     [not found]                           ` <201512171620.tBHGK3GE030569@d03av04.boulder.ibm.com>
     [not found]                             ` <9F48E1A823B03B4790B7E6E69430724DA586493C@EXCH2010A.sit.fraunhofer.de>
     [not found]                               ` <9F48E1A823B03B4790B7E6E69430724DA586493C-wI35/lLZEdT5yyJIIHUSGGSU2VBt9E6NG9Ur7JDdleE@public.gmane.org>
2015-12-18 10:06                                 ` Wilck, Martin
     [not found]                                   ` <C5A28EF7B98F574C85C70238C8E9ECC04E6940754C-bIoXcEM4pvRAuK1PVaBULA@public.gmane.org>
2015-12-18 10:51                                     ` Jarkko Sakkinen
     [not found]                                       ` <20151218105148.GA12882-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2015-12-18 10:53                                         ` Jarkko Sakkinen
     [not found]                                           ` <20151218105323.GB12882-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2015-12-18 11:09                                             ` Wilck, Martin
     [not found]                                               ` <C5A28EF7B98F574C85C70238C8E9ECC04E6940754D-bIoXcEM4pvRAuK1PVaBULA@public.gmane.org>
2015-12-18 11:41                                                 ` Jarkko Sakkinen
     [not found]                                                   ` <20151218114131.GA3287-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2015-12-18 14:10                                                     ` Ken Goldman
2015-12-21 13:22                                                       ` Fuchs, Andreas
     [not found]                                                         ` <9F48E1A823B03B4790B7E6E69430724DA586A57C-wI35/lLZEdRyXeJKmmMAp2SU2VBt9E6NG9Ur7JDdleE@public.gmane.org>
2015-12-21 14:23                                                           ` Stefan Berger
2015-12-22 21:23                                                           ` Jason Gunthorpe
     [not found]                                                             ` <20151222212348.GB9461-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2015-12-23 15:02                                                               ` Ken Goldman
2015-12-24 11:42                                                                 ` Jarkko Sakkinen
     [not found]                                                                   ` <20151224114241.GA5119-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2015-12-24 15:09                                                                     ` Ken Goldman
2016-01-02 20:39                                                                       ` Jason Gunthorpe
     [not found]                                                                         ` <20160102203957.GA19490-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2016-01-03 13:53                                                                           ` Jarkko Sakkinen [this message]
     [not found]                                                                             ` <20160103135346.GA4047-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2016-01-04 16:22                                                                               ` Fuchs, Andreas
     [not found]                                                                                 ` <9F48E1A823B03B4790B7E6E69430724DA5877E95-wI35/lLZEdRyXeJKmmMAp2SU2VBt9E6NG9Ur7JDdleE@public.gmane.org>
2016-01-04 18:19                                                                                   ` Jarkko Sakkinen
     [not found]                                                                                     ` <20160104181915.GA15908-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2016-01-04 20:06                                                                                       ` Mimi Zohar
2016-01-05  9:43                                                                                       ` Fuchs, Andreas
     [not found]                                                                                         ` <9F48E1A823B03B4790B7E6E69430724DA58784A8-wI35/lLZEdRyXeJKmmMAp2SU2VBt9E6NG9Ur7JDdleE@public.gmane.org>
2016-01-05 13:13                                                                                           ` Mimi Zohar
2016-01-05 17:39                                                                                           ` Jason Gunthorpe
2015-12-22  6:59                                                       ` Jarkko Sakkinen
     [not found]                                                         ` <20151222065917.GB7867-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2016-01-04 16:07                                                           ` Fuchs, Andreas
2016-01-07 21:07                                                           ` TPM2 resource manager vendor specific commands Ken Goldman
     [not found]                       ` <201512171533.tBHFXn35003792@d03av02.boulder.ibm.com>
     [not found]                         ` <201512171533.tBHFXn35003792-nNA/7dmquNI+UXBhvPuGgqsjOiXwFzmk@public.gmane.org>
2015-12-18 11:21                           ` Question on Linux TSS architecture design (kernel vs. user space access) Wilck, Martin
     [not found]                             ` <C5A28EF7B98F574C85C70238C8E9ECC04E6940754E-bIoXcEM4pvRAuK1PVaBULA@public.gmane.org>
2015-12-18 11:51                               ` Jarkko Sakkinen
     [not found]                                 ` <20151218115137.GA4774-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2015-12-18 11:57                                   ` Jarkko Sakkinen
2015-12-18 13:40                               ` Stefan Berger
     [not found]                       ` <C5A28EF7B98F574C85C70238C8E9ECC04E69407545-bIoXcEM4pvRAuK1PVaBULA@public.gmane.org>
2015-12-18 15:03                         ` Kenneth Goldman

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