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authorAlexander Usyskin <alexander.usyskin@intel.com>2016-10-30 01:42:18 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-10-31 04:00:09 -0600
commit88d1bece891f85523048de208906258d63678d11 (patch)
tree9b85ee7b1ece180ac36072a040eda482cc28085c /Documentation/ABI/testing
parentd3f45647a427ddbb7ac763ed512eab8b809443e8 (diff)
downloadlinux-88d1bece891f85523048de208906258d63678d11.tar.bz2
mei: show the HBM protocol versions in the device attributes
The HBM protocol version is negotiated during the setup phase, then settled on a highest possible common version of the driver and the firmware. The sysfs API advertises both negotiated and driver supported versions in the device attributes. Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com> Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'Documentation/ABI/testing')
-rw-r--r--Documentation/ABI/testing/sysfs-class-mei16
1 files changed, 16 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-class-mei b/Documentation/ABI/testing/sysfs-class-mei
index 80d9888a8ece..5096a82f4cde 100644
--- a/Documentation/ABI/testing/sysfs-class-mei
+++ b/Documentation/ABI/testing/sysfs-class-mei
@@ -29,3 +29,19 @@ Description: Display fw status registers content
Also number of registers varies between 1 and 6
depending on generation.
+What: /sys/class/mei/meiN/hbm_ver
+Date: Aug 2016
+KernelVersion: 4.9
+Contact: Tomas Winkler <tomas.winkler@intel.com>
+Description: Display the negotiated HBM protocol version.
+
+ The HBM protocol version negotiated
+ between the driver and the device.
+
+What: /sys/class/mei/meiN/hbm_ver_drv
+Date: Aug 2016
+KernelVersion: 4.9
+Contact: Tomas Winkler <tomas.winkler@intel.com>
+Description: Display the driver HBM protocol version.
+
+ The HBM protocol version supported by the driver.