From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jason Gunthorpe Subject: Re: [PATCH v5 4/5] Initialize TPM and get durations and timeouts Date: Mon, 8 Feb 2016 22:33:23 -0700 Message-ID: <20160209053323.GD12657@obsidianresearch.com> References: <1454959628-30582-1-git-send-email-stefanb@linux.vnet.ibm.com> <1454959628-30582-5-git-send-email-stefanb@linux.vnet.ibm.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Content-Disposition: inline In-Reply-To: <1454959628-30582-5-git-send-email-stefanb-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: tpmdd-devel-bounces-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org To: Stefan Berger Cc: dhowells-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org, tpmdd-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org, dwmw2-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org List-Id: tpmdd-devel@lists.sourceforge.net On Mon, Feb 08, 2016 at 02:27:07PM -0500, Stefan Berger wrote: > Add the retrieval of TPM 1.2 durations and timeouts. Since this requires > the startup of the TPM, do this for TPM 1.2 and TPM 2. > > To not allow to interleave with commands from user space, so send the > TPM_Startup as the first command. The timeouts can then be gotten at any > later time, even interleaved with commands from user space. Do not call tpm_register until get_timeouts has completed and this will naturally be avoided the same way every other TPM driver does. The long term goal is to move the get_timeouts call into tpm_register. Jason ------------------------------------------------------------------------------ Site24x7 APM Insight: Get Deep Visibility into Application Performance APM + Mobile APM + RUM: Monitor 3 App instances at just $35/Month Monitor end-to-end web transactions and take corrective actions now Troubleshoot faster and improve end-user experience. Signup Now! http://pubads.g.doubleclick.net/gampad/clk?id=272487151&iu=/4140