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Mon, 8 Jun 2020 09:33:35 +1000 (AEST) Received: from prsriva-linux.hsd1.wa.comcast.net (c-24-19-135-168.hsd1.wa.comcast.net [24.19.135.168]) by linux.microsoft.com (Postfix) with ESMTPSA id 8F40A20B71CC; Sun, 7 Jun 2020 16:33:33 -0700 (PDT) DKIM-Filter: OpenDKIM Filter v2.11.0 linux.microsoft.com 8F40A20B71CC DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.microsoft.com; s=default; t=1591572814; bh=qqLM5q0pqz0yfc3O++Tr6hw7BmJ7c10HldflmnR0q10=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ABlBM4P784LLcJRDNr8OnWTm3BQ50AkH9FQVDvh+/fOXjneDNKHeC+y4VhphakRUO 8+7rjsxxpkWY1bs6/Xp0CUnQ70qskcDEe9/8PJEgWp0BFxgYSNKdzcEsDp3q8rbv6p YaN0VLnHeMjc6sSto9pNWodp9ZGhNmPTlAbG98no= From: Prakhar Srivastava To: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, devicetree@vger.kernel.org, linux-integrity@vger.kernel.org, linux-security-module@vger.kernel.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 Message-Id: <20200607233323.22375-3-prsriva@linux.microsoft.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200607233323.22375-1-prsriva@linux.microsoft.com> References: <20200607233323.22375-1-prsriva@linux.microsoft.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: kstewart@linuxfoundation.org, mark.rutland@arm.com, catalin.marinas@arm.com, bhsharma@redhat.com, tao.li@vivo.com, zohar@linux.ibm.com, paulus@samba.org, vincenzo.frascino@arm.com, frowand.list@gmail.com, nramas@linux.microsoft.com, masahiroy@kernel.org, jmorris@namei.org, takahiro.akashi@linaro.org, serge@hallyn.com, pasha.tatashin@soleen.com, will@kernel.org, prsriva@linux.microsoft.com, robh+dt@kernel.org, hsinyi@chromium.org, tusharsu@linux.microsoft.com, tglx@linutronix.de, allison@lohutok.net, christophe.leroy@c-s.fr, mbrugger@suse.com, balajib@linux.microsoft.com, dmitry.kasatkin@gmail.com, james.morse@arm.com, gregkh@linuxfoundation.org Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" Add Documentation regarding the ima-kexec-buffer node in the chosen node documentation Signed-off-by: Prakhar Srivastava --- 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