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| author | Srish Srinivasan <ssrish@linux.ibm.com> | 2026-01-27 20:22:25 +0530 |
|---|---|---|
| committer | Madhavan Srinivasan <maddy@linux.ibm.com> | 2026-01-30 09:27:26 +0530 |
| commit | 447eb1d5ef00f7da918221ed690cac980385d993 (patch) | |
| tree | c69c6a957021f8bd53a0983332ec6f30c6144836 /Documentation/ABI | |
| parent | 40850c909fcf2a66237dea6b96c8e12003cf6d43 (diff) | |
| download | linux-next-447eb1d5ef00f7da918221ed690cac980385d993.tar.gz linux-next-447eb1d5ef00f7da918221ed690cac980385d993.zip | |
pseries/plpks: expose PowerVM wrapping features via the sysfs
Starting with Power11, PowerVM supports a new feature called "Key Wrapping"
that protects user secrets by wrapping them using a hypervisor generated
wrapping key. The status of this feature can be read by the
H_PKS_GET_CONFIG HCALL.
Expose the Power LPAR Platform KeyStore (PLPKS) wrapping features config
via the sysfs file /sys/firmware/plpks/config/wrapping_features.
Signed-off-by: Srish Srinivasan <ssrish@linux.ibm.com>
Tested-by: Nayna Jain <nayna@linux.ibm.com>
Reviewed-by: Nayna Jain <nayna@linux.ibm.com>
Signed-off-by: Madhavan Srinivasan <maddy@linux.ibm.com>
Link: https://patch.msgid.link/20260127145228.48320-4-ssrish@linux.ibm.com
Diffstat (limited to 'Documentation/ABI')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-firmware-plpks | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-firmware-plpks b/Documentation/ABI/testing/sysfs-firmware-plpks index af0353f34115..cba061e4eee2 100644 --- a/Documentation/ABI/testing/sysfs-firmware-plpks +++ b/Documentation/ABI/testing/sysfs-firmware-plpks @@ -48,3 +48,11 @@ Description: Bitmask of flags indicating which algorithms the hypervisor supports for signed update of objects, represented as a 16 byte hexadecimal ASCII string. Consult the hypervisor documentation for what these flags mean. + +What: /sys/firmware/plpks/config/wrapping_features +Date: November 2025 +Contact: Srish Srinivasan <ssrish@linux.ibm.com> +Description: Bitmask of the wrapping features indicating the wrapping + algorithms that are supported for the H_PKS_WRAP_OBJECT requests + , represented as a 8 byte hexadecimal ASCII string. Consult the + hypervisor documentation for what these flags mean. |