diff options
| -rw-r--r-- | Documentation/ABI/testing/sysfs-driver-ppi | 19 |
1 files changed, 12 insertions, 7 deletions
diff --git a/Documentation/ABI/testing/sysfs-driver-ppi b/Documentation/ABI/testing/sysfs-driver-ppi index 7d1435bc976c..9921ef285899 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: |