1- What: /sys/class/misc /tpmX/device/
1+ What: /sys/class/tpm /tpmX/device/
22Date: April 2005
33KernelVersion: 2.6.12
44Contact: tpmdd-devel@lists.sf.net
55Description: The device/ directory under a specific TPM instance exposes
66 the properties of that TPM chip
77
88
9- What: /sys/class/misc /tpmX/device/active
9+ What: /sys/class/tpm /tpmX/device/active
1010Date: April 2006
1111KernelVersion: 2.6.17
1212Contact: tpmdd-devel@lists.sf.net
@@ -18,15 +18,15 @@ Description: The "active" property prints a '1' if the TPM chip is accepting
1818 section 17 for more information on which commands are
1919 available.
2020
21- What: /sys/class/misc /tpmX/device/cancel
21+ What: /sys/class/tpm /tpmX/device/cancel
2222Date: June 2005
2323KernelVersion: 2.6.13
2424Contact: tpmdd-devel@lists.sf.net
2525Description: The "cancel" property allows you to cancel the currently
2626 pending TPM command. Writing any value to cancel will call the
2727 TPM vendor specific cancel operation.
2828
29- What: /sys/class/misc /tpmX/device/caps
29+ What: /sys/class/tpm /tpmX/device/caps
3030Date: April 2005
3131KernelVersion: 2.6.12
3232Contact: tpmdd-devel@lists.sf.net
@@ -43,7 +43,7 @@ Description: The "caps" property contains TPM manufacturer and version info.
4343 the chip supports. Firmware version is that of the chip and
4444 is manufacturer specific.
4545
46- What: /sys/class/misc /tpmX/device/durations
46+ What: /sys/class/tpm /tpmX/device/durations
4747Date: March 2011
4848KernelVersion: 3.1
4949Contact: tpmdd-devel@lists.sf.net
@@ -66,7 +66,7 @@ Description: The "durations" property shows the 3 vendor-specific values
6666 scaled to be displayed in usecs. In this case "[adjusted]"
6767 will be displayed in place of "[original]".
6868
69- What: /sys/class/misc /tpmX/device/enabled
69+ What: /sys/class/tpm /tpmX/device/enabled
7070Date: April 2006
7171KernelVersion: 2.6.17
7272Contact: tpmdd-devel@lists.sf.net
@@ -75,15 +75,15 @@ Description: The "enabled" property prints a '1' if the TPM chip is enabled,
7575 may be visible but produce a '0' after some operation that
7676 disables the TPM.
7777
78- What: /sys/class/misc /tpmX/device/owned
78+ What: /sys/class/tpm /tpmX/device/owned
7979Date: April 2006
8080KernelVersion: 2.6.17
8181Contact: tpmdd-devel@lists.sf.net
8282Description: The "owned" property produces a '1' if the TPM_TakeOwnership
8383 ordinal has been executed successfully in the chip. A '0'
8484 indicates that ownership hasn't been taken.
8585
86- What: /sys/class/misc /tpmX/device/pcrs
86+ What: /sys/class/tpm /tpmX/device/pcrs
8787Date: April 2005
8888KernelVersion: 2.6.12
8989Contact: tpmdd-devel@lists.sf.net
@@ -106,7 +106,7 @@ Description: The "pcrs" property will dump the current value of all Platform
106106 1.2 chips, PCRs represent SHA-1 hashes, which are 20 bytes
107107 long. Use the "caps" property to determine TPM version.
108108
109- What: /sys/class/misc /tpmX/device/pubek
109+ What: /sys/class/tpm /tpmX/device/pubek
110110Date: April 2005
111111KernelVersion: 2.6.12
112112Contact: tpmdd-devel@lists.sf.net
@@ -158,7 +158,7 @@ Description: The "pubek" property will return the TPM's public endorsement
158158 Modulus Length: 256 (bytes)
159159 Modulus: The 256 byte Endorsement Key modulus
160160
161- What: /sys/class/misc /tpmX/device/temp_deactivated
161+ What: /sys/class/tpm /tpmX/device/temp_deactivated
162162Date: April 2006
163163KernelVersion: 2.6.17
164164Contact: tpmdd-devel@lists.sf.net
@@ -167,7 +167,7 @@ Description: The "temp_deactivated" property returns a '1' if the chip has
167167 cycle. Whether a warm boot (reboot) will clear a TPM chip
168168 from a temp_deactivated state is platform specific.
169169
170- What: /sys/class/misc /tpmX/device/timeouts
170+ What: /sys/class/tpm /tpmX/device/timeouts
171171Date: March 2011
172172KernelVersion: 3.1
173173Contact: tpmdd-devel@lists.sf.net
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