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From: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
To: tpmdd-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org
Cc: peterhuewe@gmx.de, gregkh@linuxfoundation.org,
	jgunthorpe@obsidianresearch.com, dhowells@redhat.com,
	artem.bityutskiy@linux.intel.com,
	Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>,
	linux-api@vger.kernel.org (open list:ABI/API)
Subject: [PATCH 05/10] tpm: update PPI documentation to address the location change.
Date: Fri, 16 Oct 2015 21:40:24 +0300	[thread overview]
Message-ID: <1445020843-9382-6-git-send-email-jarkko.sakkinen@linux.intel.com> (raw)
In-Reply-To: <1445020843-9382-1-git-send-email-jarkko.sakkinen@linux.intel.com>

Updated Documentation/ABI/testing/sysfs-driver-ppi in order to explain
where PPI attributes are located and how backwards compatibility is
addressed.

Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
---
 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/<bus-num>/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/<bus-num>/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/<bus-num>/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:<bus-num>/ppi/response
+What:		/sys/class/tpm/tpmX/ppi/response
 Date:		August 2012
 Contact:	xiaoyan.zhang@intel.com
 Description:
@@ -37,7 +42,7 @@ Description:
 		: <response description>".
 		This file is readonly.
 
-What:		/sys/devices/pnp0/<bus-num>/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/<bus-num>/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/<bus-num>/ppi/vs_operations
+What:		/sys/class/tpm/tpmX/ppi/vs_operations
 Date:		August 2012
 Contact:	xiaoyan.zhang@intel.com
 Description:
-- 
2.5.0


WARNING: multiple messages have this Message-ID (diff)
From: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
To: tpmdd-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org
Cc: peterhuewe@gmx.de, gregkh@linuxfoundation.org,
	jgunthorpe@obsidianresearch.com, dhowells@redhat.com,
	artem.bityutskiy@linux.intel.com,
	Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>,
	"open list:ABI/API" <linux-api@vger.kernel.org>
Subject: [PATCH 05/10] tpm: update PPI documentation to address the location change.
Date: Fri, 16 Oct 2015 21:40:24 +0300	[thread overview]
Message-ID: <1445020843-9382-6-git-send-email-jarkko.sakkinen@linux.intel.com> (raw)
In-Reply-To: <1445020843-9382-1-git-send-email-jarkko.sakkinen@linux.intel.com>

Updated Documentation/ABI/testing/sysfs-driver-ppi in order to explain
where PPI attributes are located and how backwards compatibility is
addressed.

Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
---
 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/<bus-num>/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/<bus-num>/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/<bus-num>/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:<bus-num>/ppi/response
+What:		/sys/class/tpm/tpmX/ppi/response
 Date:		August 2012
 Contact:	xiaoyan.zhang@intel.com
 Description:
@@ -37,7 +42,7 @@ Description:
 		: <response description>".
 		This file is readonly.
 
-What:		/sys/devices/pnp0/<bus-num>/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/<bus-num>/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/<bus-num>/ppi/vs_operations
+What:		/sys/class/tpm/tpmX/ppi/vs_operations
 Date:		August 2012
 Contact:	xiaoyan.zhang@intel.com
 Description:
-- 
2.5.0

  parent reply	other threads:[~2015-10-16 18:41 UTC|newest]

Thread overview: 42+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-10-16 18:40 [PATCH 00/10] TPM2 updates for 4.4 Jarkko Sakkinen
2015-10-16 18:40 ` Jarkko Sakkinen
2015-10-16 18:40 ` [PATCH 01/10] tpm, tpm_crb: fix unaligned read of the command buffer address Jarkko Sakkinen
2015-10-18  3:02   ` Peter Hüwe
2015-10-18 11:15     ` Jarkko Sakkinen
2015-10-16 18:40 ` [PATCH 02/10] tpm, tpm_tis: fix tpm_tis ACPI detection issue with TPM 2.0 Jarkko Sakkinen
2015-10-16 18:40 ` [PATCH 03/10] sysfs: added __compat_only_sysfs_link_entry_to_kobj() Jarkko Sakkinen
2015-10-18  1:37   ` Peter Hüwe
2015-10-18 11:21     ` Jarkko Sakkinen
2015-11-07  0:23   ` Jeremiah Mahler
2015-11-09 22:32     ` Jason Gunthorpe
2015-11-07  2:55   ` [BUG, PATCH " Jeremiah Mahler
2015-11-07 10:55     ` Jarkko Sakkinen
2015-11-07 11:41       ` Jarkko Sakkinen
2015-11-07 18:08         ` Jeremiah Mahler
2015-11-07 22:31           ` Jarkko Sakkinen
2015-11-07 23:11             ` Jeremiah Mahler
2015-11-08  0:49               ` Jarkko Sakkinen
2015-11-08  3:04                 ` Jeremiah Mahler
2015-11-08  7:46                   ` Jarkko Sakkinen
2015-10-16 18:40 ` [PATCH 04/10] tpm: move the PPI attributes to character device directory Jarkko Sakkinen
2015-11-04 18:17   ` [BUG, bisect, PATCH " Jeremiah Mahler
2015-11-05  9:22     ` Jarkko Sakkinen
2015-11-05 11:05       ` [tpmdd-devel] " Jarkko Sakkinen
2015-11-05 16:47         ` Jeremiah Mahler
2015-11-05 17:46           ` Jarkko Sakkinen
2015-11-05 18:17             ` Jeremiah Mahler
2015-11-06 13:45               ` Jarkko Sakkinen
2015-11-07  2:54     ` Jeremiah Mahler
2015-10-16 18:40 ` Jarkko Sakkinen [this message]
2015-10-16 18:40   ` [PATCH 05/10] tpm: update PPI documentation to address the location change Jarkko Sakkinen
2015-10-16 18:40 ` [PATCH 06/10] tpm: introduce tpm_buf Jarkko Sakkinen
2015-10-18  2:57   ` Peter Hüwe
2015-10-18 11:19     ` Jarkko Sakkinen
2015-10-16 18:40 ` [PATCH 07/10] keys, trusted: move struct trusted_key_options to trusted-type.h Jarkko Sakkinen
2015-10-16 18:40 ` [PATCH 08/10] tpm: seal/unseal for TPM 2.0 Jarkko Sakkinen
2015-11-07 18:58   ` Jeremiah Mahler
2015-11-07 21:39     ` Jarkko Sakkinen
2015-10-16 18:40 ` [PATCH 09/10] keys, trusted: seal/unseal with TPM 2.0 chips Jarkko Sakkinen
2015-10-16 18:40 ` [PATCH 10/10] MAINTAINERS: add new maintainer for TPM DEVICE DRIVER Jarkko Sakkinen
2015-10-16 19:06 ` [tpmdd-devel] [PATCH 00/10] TPM2 updates for 4.4 Kevin Strasser
2015-10-16 19:06   ` Kevin Strasser

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