From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jarkko Sakkinen Subject: Re: Question on Linux TSS architecture design (kernel vs. user space access) Date: Sun, 3 Jan 2016 15:53:46 +0200 Message-ID: <20160103135346.GA4047@intel.com> References: <20151218105323.GB12882@intel.com> <20151218114131.GA3287@intel.com> <9F48E1A823B03B4790B7E6E69430724DA586A57C@EXCH2010B.sit.fraunhofer.de> <20151222212348.GB9461@obsidianresearch.com> <20151224114241.GA5119@intel.com> <20160102203957.GA19490@obsidianresearch.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Content-Disposition: inline In-Reply-To: <20160102203957.GA19490-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: tpmdd-devel-bounces-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org To: Jason Gunthorpe Cc: tpmdd-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org, Ken Goldman List-Id: tpmdd-devel@lists.sourceforge.net 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 ------------------------------------------------------------------------------