Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754385AbbFVR0N (ORCPT ); Mon, 22 Jun 2015 13:26:13 -0400 Received: from mga01.intel.com ([192.55.52.88]:17365 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753923AbbFVRZq (ORCPT ); Mon, 22 Jun 2015 13:25:46 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.13,660,1427785200"; d="scan'208";a="751209840" From: Jarkko Sakkinen To: tpmdd-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org Cc: peterhuewe@gmx.de, gregkh@linuxfoundation.org, jgunthorpe@obsidianresearch.com, Jarkko Sakkinen , linux-api@vger.kernel.org (open list:ABI/API) Subject: [PATCH v7 3/3] tpm: update PPI documentation to address the location change. Date: Mon, 22 Jun 2015 20:24:52 +0300 Message-Id: <1434993894-5911-4-git-send-email-jarkko.sakkinen@linux.intel.com> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1434993894-5911-1-git-send-email-jarkko.sakkinen@linux.intel.com> References: <1434993894-5911-1-git-send-email-jarkko.sakkinen@linux.intel.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2744 Lines: 86 Updated Documentation/ABI/testing/sysfs-driver-ppi in order to explain where PPI attributes are located and how backwards compatiblity is addressed. Signed-off-by: Jarkko Sakkinen --- Documentation/ABI/testing/sysfs-driver-ppi | 19 ++++++++++++------- 1 file changed, 12 insertions(+), 7 deletions(-) diff --git a/Documentation/ABI/testing/sysfs-driver-ppi b/Documentation/ABI/testing/sysfs-driver-ppi index 7d1435b..9921ef2 100644 --- a/Documentation/ABI/testing/sysfs-driver-ppi +++ b/Documentation/ABI/testing/sysfs-driver-ppi @@ -1,4 +1,4 @@ -What: /sys/devices/pnp0//ppi/ +What: /sys/class/tpm/tpmX/ppi/ Date: August 2012 Kernel Version: 3.6 Contact: xiaoyan.zhang@intel.com @@ -8,9 +8,14 @@ Description: folder makes sense. The folder path can be got by command 'find /sys/ -name 'pcrs''. For the detail information of PPI, please refer to the PPI specification from + http://www.trustedcomputinggroup.org/ -What: /sys/devices/pnp0//ppi/version + In Linux 4.2 ppi was moved to the character device directory. + A symlink from tpmX/device/ppi to tpmX/ppi to provide backwards + compatibility. + +What: /sys/class/tpm/tpmX/ppi/version Date: August 2012 Contact: xiaoyan.zhang@intel.com Description: @@ -18,7 +23,7 @@ Description: platform. This file is readonly. -What: /sys/devices/pnp0//ppi/request +What: /sys/class/tpm/tpmX/ppi/request Date: August 2012 Contact: xiaoyan.zhang@intel.com Description: @@ -28,7 +33,7 @@ Description: integer value range from 1 to 160, and 0 means no request. This file can be read and written. -What: /sys/devices/pnp0/00:/ppi/response +What: /sys/class/tpm/tpmX/ppi/response Date: August 2012 Contact: xiaoyan.zhang@intel.com Description: @@ -37,7 +42,7 @@ Description: : ". This file is readonly. -What: /sys/devices/pnp0//ppi/transition_action +What: /sys/class/tpm/tpmX/ppi/transition_action Date: August 2012 Contact: xiaoyan.zhang@intel.com Description: @@ -47,7 +52,7 @@ Description: description>". This file is readonly. -What: /sys/devices/pnp0//ppi/tcg_operations +What: /sys/class/tpm/tpmX/ppi/tcg_operations Date: August 2012 Contact: xiaoyan.zhang@intel.com Description: @@ -58,7 +63,7 @@ Description: This attribute is only supported by PPI version 1.2+. This file is readonly. -What: /sys/devices/pnp0//ppi/vs_operations +What: /sys/class/tpm/tpmX/ppi/vs_operations Date: August 2012 Contact: xiaoyan.zhang@intel.com Description: -- 2.1.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in Please read the FAQ at http://www.tux.org/lkml/