From: Prakhar Srivastava <prsriva@linux•microsoft.com>
To: linux-arm-kernel@lists•infradead.org,
linux-kernel@vger•kernel.org, linuxppc-dev@lists•ozlabs.org,
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linux-security-module@vger•kernel.org
Cc: kstewart@linuxfoundation•org, mark.rutland@arm•com,
catalin.marinas@arm•com, bhsharma@redhat•com, tao.li@vivo•com,
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gregkh@linuxfoundation•org
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 [thread overview]
Message-ID: <20200607233323.22375-3-prsriva@linux.microsoft.com> (raw)
In-Reply-To: <20200607233323.22375-1-prsriva@linux.microsoft.com>
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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next prev parent reply other threads:[~2020-06-07 23:34 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-06-07 23:33 [v1 PATCH 0/2] Adding support to carry IMA measurement logs Prakhar Srivastava
2020-06-07 23:33 ` [v1 PATCH 1/2] Refactoring carrying over IMA measuremnet logs over Kexec Prakhar Srivastava
2020-06-08 1:35 ` kernel test robot
2020-06-08 1:47 ` kernel test robot
2020-06-08 12:02 ` Mimi Zohar
2020-06-07 23:33 ` Prakhar Srivastava [this message]
2020-06-17 20:43 ` [v1 PATCH 2/2] Add Documentation regarding the ima-kexec-buffer node in the chosen node documentation Rob Herring
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