Messages in this thread Patch in this message | | | From | Prakhar Srivastava <> | Subject | [v1 PATCH 2/2] Add Documentation regarding the ima-kexec-buffer node in the chosen node documentation | Date | Sun, 7 Jun 2020 16:33:23 -0700 |
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Add Documentation regarding the ima-kexec-buffer node in the chosen node documentation
Signed-off-by: Prakhar Srivastava <prsriva@linux.microsoft.com> --- Documentation/devicetree/bindings/chosen.txt | 17 +++++++++++++++++ 1 file changed, 17 insertions(+)
diff --git a/Documentation/devicetree/bindings/chosen.txt b/Documentation/devicetree/bindings/chosen.txt index 45e79172a646..a15f70c007ef 100644 --- a/Documentation/devicetree/bindings/chosen.txt +++ b/Documentation/devicetree/bindings/chosen.txt @@ -135,3 +135,20 @@ e.g. linux,initrd-end = <0x82800000>; }; }; + +linux,ima-kexec-buffer +---------------------- + +This property(currently used by powerpc, arm64) holds the memory range, +the address and the size, of the IMA measurement logs that are being carried +over to the kexec session. + +/ { + chosen { + linux,ima-kexec-buffer = <0x9 0x82000000 0x0 0x00008000>; + }; +}; + +This porperty does not represent real hardware, but the memory allocated for +carrying the IMA measurement logs. The address and the suze are expressed in +#address-cells and #size-cells, respectively of the root node. -- 2.25.1
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