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| author | Alexander Usyskin <alexander.usyskin@intel.com> | 2016-10-30 01:42:18 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-10-31 11:00:09 +0100 |
| commit | 88d1bece891f85523048de208906258d63678d11 (patch) | |
| tree | 9b85ee7b1ece180ac36072a040eda482cc28085c /Documentation/ABI | |
| parent | genwqe: use pci_irq_allocate_vectors (diff) | |
| download | linux-88d1bece891f85523048de208906258d63678d11.tar.xz linux-88d1bece891f85523048de208906258d63678d11.zip | |
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')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-class-mei | 16 |
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. |