From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([209.51.188.92]:38880) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1goEqH-00082Y-NV for qemu-devel@nongnu.org; Mon, 28 Jan 2019 16:53:22 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1goEqG-000218-PO for qemu-devel@nongnu.org; Mon, 28 Jan 2019 16:53:21 -0500 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:59914 helo=mx0a-001b2d01.pphosted.com) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1goEqG-0001zy-JU for qemu-devel@nongnu.org; Mon, 28 Jan 2019 16:53:20 -0500 Received: from pps.filterd (m0098414.ppops.net [127.0.0.1]) by mx0b-001b2d01.pphosted.com (8.16.0.27/8.16.0.27) with SMTP id x0SLmckM110212 for ; Mon, 28 Jan 2019 16:53:18 -0500 Received: from e36.co.us.ibm.com (e36.co.us.ibm.com [32.97.110.154]) by mx0b-001b2d01.pphosted.com with ESMTP id 2qa9gkhgjq-1 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NOT) for ; Mon, 28 Jan 2019 16:53:17 -0500 Received: from localhost by e36.co.us.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Mon, 28 Jan 2019 21:53:16 -0000 References: <20190125210058.1092551-1-stefanb@linux.ibm.com> <20190128154553.583f79a3@redhat.com> <20190128124924-mutt-send-email-mst@kernel.org> From: Stefan Berger Date: Mon, 28 Jan 2019 16:53:12 -0500 MIME-Version: 1.0 In-Reply-To: <20190128124924-mutt-send-email-mst@kernel.org> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-MW Message-Id: <5df42727-a6e7-e47f-15f4-d647d2c02525@linux.ibm.com> Content-Transfer-Encoding: quoted-printable Subject: Re: [Qemu-devel] [PATCH] acpi: Make TPM 2.0 with TIS available as MSFT0101 List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: "Michael S. Tsirkin" Cc: Igor Mammedov , qemu-devel@nongnu.org, marcandre.lureau@redhat.com On 1/28/19 12:49 PM, Michael S. Tsirkin wrote: > On Mon, Jan 28, 2019 at 12:19:37PM -0500, Stefan Berger wrote: >> On 1/28/19 11:14 AM, Stefan Berger wrote: >>> On 1/28/19 9:45 AM, Igor Mammedov wrote: >>>> On Fri, 25 Jan 2019 16:00:58 -0500 >>>> Stefan Berger wrote: >>>> >>>>> This patch makes the a TPM 2.0 with TIS interface available under t= he >>>>> HID 'MSF0101'. This is supported by Linux and also Windows now >>>> MSF0101 is relatively recent addition to Linux, >>>> are there in wild (old) kernels that worked with PNP0C31 but won't w= ork >>>> with MSF0101? >>> >>> Linux 4.3.4 and later references this HID here: >>> https://elixir.bootlin.com/linux/v4.3.4/source/drivers/char/tpm/tpm_t= is.c >>> . I don't see it before that. A 3.10 kernel works with this patch as >>> well. >> >> ... that 3.10 kernel from el7 has been patched, though. >> >> =C2=A0=C2=A0 Stefan > .. and supports the new HID. > And this spec here also speaks for it:=20 https://trustedcomputinggroup.org/wp-content/uploads/PC-ClientSpecific_Pl= atform_Profile_for_TPM_2p0_Systems_v51.pdf See chapter 8.