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| author | Quan Nguyen <quan@os.amperecomputing.com> | 2023-03-10 11:34:15 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-03-10 11:47:16 +0300 |
| commit | b0f64c80cb8c1adcdae59fa09bbc9d34adc29911 (patch) | |
| tree | e8d60dddf1a4db1c0b54035d59bab8b1d1308a6a /Documentation/ABI | |
| parent | f0312cbd2af1c458a8441bb7364133d8242446b8 (diff) | |
| download | linux-b0f64c80cb8c1adcdae59fa09bbc9d34adc29911.tar.xz | |
misc: smpro-errmon: Add DIMM 2x Refresh rate event
In high temperature condition, JEDEC spec requires memory controller to
double the refresh rate. This commit adds event_dimm_2x_refresh sysfs
to report that events for all memory channels.
Signed-off-by: Quan Nguyen <quan@os.amperecomputing.com>
Link: https://lore.kernel.org/r/20230310083416.3670980-2-quan@os.amperecomputing.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'Documentation/ABI')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-bus-platform-devices-ampere-smpro | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/Documentation/ABI/testing/sysfs-bus-platform-devices-ampere-smpro b/Documentation/ABI/testing/sysfs-bus-platform-devices-ampere-smpro index ca93c215ef99..14b58c893df5 100644 --- a/Documentation/ABI/testing/sysfs-bus-platform-devices-ampere-smpro +++ b/Documentation/ABI/testing/sysfs-bus-platform-devices-ampere-smpro @@ -234,8 +234,8 @@ Description: For details, see section `5.10 RAS Internal Error Register Definitions, Altra Family Soc BMC Interface Specification`. -What: /sys/bus/platform/devices/smpro-errmon.*/event_[vrd_warn_fault|vrd_hot|dimm_hot] -KernelVersion: 6.1 +What: /sys/bus/platform/devices/smpro-errmon.*/event_[vrd_warn_fault|vrd_hot|dimm_hot|dimm_2x_refresh] +KernelVersion: 6.1 (event_[vrd_warn_fault|vrd_hot|dimm_hot]), 6.4 (event_dimm_2x_refresh) Contact: Quan Nguyen <quan@os.amperecomputing.com> Description: (RO) Contains the detail information in case of VRD/DIMM warning/hot events @@ -258,8 +258,11 @@ Description: +---------------+---------------------------------------------------------------+---------------------+ | DIMM HOT | /sys/bus/platform/devices/smpro-errmon.*/event_dimm_hot | DIMM Hot | +---------------+---------------------------------------------------------------+---------------------+ + | DIMM 2X | /sys/bus/platform/devices/smpro-errmon.*/event_dimm_2x_refresh| DIMM 2x refresh rate| + | REFRESH RATE | | event in high temp | + +---------------+---------------------------------------------------------------+---------------------+ - For more details, see section `5.7 GPI Status Registers, + For more details, see section `5.7 GPI Status Registers and 5.9 Memory Error Register Definitions, Altra Family Soc BMC Interface Specification`. What: /sys/bus/platform/devices/smpro-misc.*/boot_progress |