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| author | Li Ming <[email protected]> | 2025-06-03 10:43:14 +0000 |
|---|---|---|
| committer | Dave Jiang <[email protected]> | 2025-06-10 20:54:29 +0000 |
| commit | 85cc50bfcb8b08c9304925b66cd2bc83c1c765bf (patch) | |
| tree | 798ad513d23c8a940fc05d3dfc11ea20053c9c24 | |
| parent | cxl/edac: Fix the min_scrub_cycle of a region miscalculation (diff) | |
| download | kernel-85cc50bfcb8b08c9304925b66cd2bc83c1c765bf.tar.gz kernel-85cc50bfcb8b08c9304925b66cd2bc83c1c765bf.zip | |
cxl/Documentation: Add more description about min/max scrub cycle
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 <[email protected]>
Signed-off-by: Shiju Jose <[email protected]>
Signed-off-by: Li Ming <[email protected]>
Reviewed-by: Jonathan Cameron <[email protected]>
Reviewed-by: Dave Jiang <[email protected]>
Reviewed-by: Davidlohr Bueso <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Dave Jiang <[email protected]>
| -rw-r--r-- | Documentation/ABI/testing/sysfs-edac-scrub | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-edac-scrub b/Documentation/ABI/testing/sysfs-edac-scrub index c43be90deab4..ab6014743da5 100644 --- a/Documentation/ABI/testing/sysfs-edac-scrub +++ b/Documentation/ABI/testing/sysfs-edac-scrub @@ -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 |