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cxl/Documentation: Add more description about min/max scrub cycle

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user can configurare scrub cycle for a region or a memory device via
sysfs interface. Currently, these interfaces have not enough description
for the return value. So adding return value description to these
interfaces.

Suggested-by: Alison Schofield <alison.schofield@intel.com>
Signed-off-by: Shiju Jose <shiju.jose@huawei.com>
Signed-off-by: Li Ming <ming.li@zohomail.com>
Reviewed-by: Jonathan Cameron <jonathan.cameron@huawei.com>
Reviewed-by: Dave Jiang <dave.jiang@intel.com>
Reviewed-by: Davidlohr Bueso <dave@stgolabs.net>
Link: https://patch.msgid.link/20250603104314.25569-2-ming.li@zohomail.com
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
This commit is contained in:
Li Ming 2025-06-03 18:43:14 +08:00 committed by Dave Jiang
parent fdc9be9092
commit 85cc50bfcb
1 changed files with 16 additions and 0 deletions
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16
Documentation/ABI/testing/sysfs-edac-scrub
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@ -49,6 +49,12 @@ Description:
(RO) Supported minimum scrub cycle duration in seconds
by the memory scrubber.
Device-based scrub: returns the minimum scrub cycle
supported by the memory device.
Region-based scrub: returns the max of minimum scrub cycles
supported by individual memory devices that back the region.
What: /sys/bus/edac/devices/<dev-name>/scrubX/max_cycle_duration
Date: March 2025
KernelVersion: 6.15
@ -57,6 +63,16 @@ Description:
(RO) Supported maximum scrub cycle duration in seconds
by the memory scrubber.
Device-based scrub: returns the maximum scrub cycle supported
by the memory device.
Region-based scrub: returns the min of maximum scrub cycles
supported by individual memory devices that back the region.
If the memory device does not provide maximum scrub cycle
information, return the maximum supported value of the scrub
cycle field.
What: /sys/bus/edac/devices/<dev-name>/scrubX/current_cycle_duration
Date: March 2025
KernelVersion: 6.15