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| author | Li Ming <ming.li@zohomail.com> | 2025-06-03 13:43:14 +0300 |
|---|---|---|
| committer | Dave Jiang <dave.jiang@intel.com> | 2025-06-10 23:54:29 +0300 |
| commit | 85cc50bfcb8b08c9304925b66cd2bc83c1c765bf (patch) | |
| tree | 798ad513d23c8a940fc05d3dfc11ea20053c9c24 | |
| parent | fdc9be90929081ed5a9658583aa5f3121d5e8365 (diff) | |
| download | linux-85cc50bfcb8b08c9304925b66cd2bc83c1c765bf.tar.xz | |
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 <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>
| -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 |