From: Jonathan McCune <jonmccune@gmail.com>
To: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
Cc: linux-kernel@vger.kernel.org, tpmdd-devel@lists.sourceforge.net
Subject: Re: [tpmdd-devel] [PATCH] TPM: Issue TPM_STARTUP at driver load if the TPM has not been started
Date: Mon, 1 Oct 2012 08:57:11 -0400 [thread overview]
Message-ID: <CAEwYmTLuxx8UKvkF7cE4LF++K77mDkiB3e6MD6Eao9KYJreO8w@mail.gmail.com> (raw)
In-Reply-To: <4347_1349050738_q910IviQ005340_20120930233012.GH30637@obsidianresearch.com>
Hi Jason,
On Sun, Sep 30, 2012 at 7:30 PM, Jason Gunthorpe
<jgunthorpe@obsidianresearch.com> wrote:
> The TPM will respond to TPM_GET_CAP with TPM_ERR_INVALID_POSTINIT if
> TPM_STARTUP has not been issued. This will result in the TPM driver
> failing to load and no way to recover. Detect this and automatically
> issue TPM_STARTUP.
>
> This is for embedded applications where the kernel is the first thing
> to touch the TPM.
I welcome such functionality. Thanks for your efforts.
Regards,
-Jon
next parent reply other threads:[~2012-10-01 12:57 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <4347_1349050738_q910IviQ005340_20120930233012.GH30637@obsidianresearch.com>
2012-10-01 12:57 ` Jonathan McCune [this message]
2012-10-01 15:15 ` [tpmdd-devel] [PATCH] TPM: Issue TPM_STARTUP at driver load if the TPM has not been started Peter.Huewe
2012-09-30 23:30 Jason Gunthorpe
2012-10-01 9:17 ` [tpmdd-devel] " Peter.Huewe
2012-10-01 16:15 ` Jason Gunthorpe
2012-10-01 17:10 ` Kent Yoder
2012-10-01 17:39 ` Jason Gunthorpe
2012-10-04 17:41 ` Kent Yoder
2012-10-04 18:02 ` Jason Gunthorpe
2012-10-08 7:09 ` Peter.Huewe
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