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| author | Dan Williams <dan.j.williams@intel.com> | 2023-06-26 02:01:45 +0300 |
|---|---|---|
| committer | Dan Williams <dan.j.williams@intel.com> | 2023-06-26 02:01:45 +0300 |
| commit | dcfb70610d40704d929d824db36b1444c8f37f7a (patch) | |
| tree | 89695592cdf44baa35c009aa7dd04159a346f568 /Documentation | |
| parent | 858fd168a95c5b9669aac8db6c14a9aeab446375 (diff) | |
| parent | f337043b56e0e97c5c67b95ea32886b95b049181 (diff) | |
| download | linux-dcfb70610d40704d929d824db36b1444c8f37f7a.tar.xz | |
Merge branch 'for-6.5/cxl-background' into for-6.5/cxl
Pick up the sanitization work and the infrastructure for other
background commands for 6.5. Sanitization has a different completion
path than typical background commands so it was important to have both
thought out and implemented before either went upstream.
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-bus-cxl | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-bus-cxl b/Documentation/ABI/testing/sysfs-bus-cxl index 48ac0d911801..c619493e413e 100644 --- a/Documentation/ABI/testing/sysfs-bus-cxl +++ b/Documentation/ABI/testing/sysfs-bus-cxl @@ -58,6 +58,43 @@ Description: affinity for this device. +What: /sys/bus/cxl/devices/memX/security/state +Date: June, 2023 +KernelVersion: v6.5 +Contact: linux-cxl@vger.kernel.org +Description: + (RO) Reading this file will display the CXL security state for + that device. Such states can be: 'disabled', 'sanitize', when + a sanitization is currently underway; or those available only + for persistent memory: 'locked', 'unlocked' or 'frozen'. This + sysfs entry is select/poll capable from userspace to notify + upon completion of a sanitize operation. + + +What: /sys/bus/cxl/devices/memX/security/sanitize +Date: June, 2023 +KernelVersion: v6.5 +Contact: linux-cxl@vger.kernel.org +Description: + (WO) Write a boolean 'true' string value to this attribute to + sanitize the device to securely re-purpose or decommission it. + This is done by ensuring that all user data and meta-data, + whether it resides in persistent capacity, volatile capacity, + or the LSA, is made permanently unavailable by whatever means + is appropriate for the media type. This functionality requires + the device to be not be actively decoding any HPA ranges. + + +What /sys/bus/cxl/devices/memX/security/erase +Date: June, 2023 +KernelVersion: v6.5 +Contact: linux-cxl@vger.kernel.org +Description: + (WO) Write a boolean 'true' string value to this attribute to + secure erase user data by changing the media encryption keys for + all user data areas of the device. + + What: /sys/bus/cxl/devices/*/devtype Date: June, 2021 KernelVersion: v5.14 |