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| author | Dan Williams <dan.j.williams@intel.com> | 2023-10-31 11:00:08 -0700 |
|---|---|---|
| committer | Dan Williams <dan.j.williams@intel.com> | 2023-10-31 11:00:08 -0700 |
| commit | b3cfdbf6a062bcfb431153f92d6bc1ad20bfc687 (patch) | |
| tree | 9e1b81e6288393bc194308ec3e9aa28e7b9d1c2a /Documentation/ABI/testing | |
| parent | de5512b2a293863261c6b04c0c73ec0ec09ed550 (diff) | |
| parent | 05e37b2138a6deb1f23daf1282dc86b29968a1ab (diff) | |
| download | linux-b3cfdbf6a062bcfb431153f92d6bc1ad20bfc687.tar.gz | |
Merge branch 'for-6.7/cxl-commited' into cxl/next
Add the committed decoder sysfs attribute for v6.7.
Diffstat (limited to 'Documentation/ABI/testing')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-bus-cxl | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-bus-cxl b/Documentation/ABI/testing/sysfs-bus-cxl index 44ffbbb366548..e76c3600607f8 100644 --- a/Documentation/ABI/testing/sysfs-bus-cxl +++ b/Documentation/ABI/testing/sysfs-bus-cxl @@ -178,6 +178,21 @@ Description: hardware decoder target list. +What: /sys/bus/cxl/devices/portX/decoders_committed +Date: October, 2023 +KernelVersion: v6.7 +Contact: linux-cxl@vger.kernel.org +Description: + (RO) A memory device is considered active when any of its + decoders are in the "committed" state (See CXL 3.0 8.2.4.19.7 + CXL HDM Decoder n Control Register). Hotplug and destructive + operations like "sanitize" are blocked while device is actively + decoding a Host Physical Address range. Note that this number + may be elevated without any regionX objects active or even + enumerated, as this may be due to decoders established by + platform firwmare or a previous kernel (kexec). + + What: /sys/bus/cxl/devices/decoderX.Y Date: June, 2021 KernelVersion: v5.14 |