diff options
Diffstat (limited to 'Documentation/ABI/testing/sysfs-bus-cxl')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-bus-cxl | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/Documentation/ABI/testing/sysfs-bus-cxl b/Documentation/ABI/testing/sysfs-bus-cxl index 721a44d8a482..f86fe3671375 100644 --- a/Documentation/ABI/testing/sysfs-bus-cxl +++ b/Documentation/ABI/testing/sysfs-bus-cxl @@ -64,8 +64,25 @@ 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', or those available - only for persistent memory: 'locked', 'unlocked' or 'frozen'. + 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/*/devtype |