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From: David Gstir <david@sigma-star.at>
To: Mimi Zohar <zohar@linux.ibm.com>,
	James Bottomley <jejb@linux.ibm.com>,
	Jarkko Sakkinen <jarkko@kernel.org>,
	Herbert Xu <herbert@gondor.apana.org.au>,
	"David S. Miller" <davem@davemloft.net>
Cc: David Gstir <david@sigma-star.at>,
	linux-doc@vger.kernel.org,
	Catalin Marinas <catalin.marinas@arm.com>,
	David Howells <dhowells@redhat.com>,
	keyrings@vger.kernel.org, Fabio Estevam <festevam@gmail.com>,
	Ahmad Fatoum <a.fatoum@pengutronix.de>,
	Paul Moore <paul@paul-moore.com>,
	Jonathan Corbet <corbet@lwn.net>,
	Richard Weinberger <richard@nod.at>,
	"Rafael J. Wysocki" <rafael.j.wysocki@intel.com>,
	James Morris <jmorris@namei.org>,
	NXP Linux Team <linux-imx@nxp.com>,
	"Serge E. Hallyn" <serge@hallyn.com>,
	"Paul E. McKenney" <paulmck@kernel.org>,
	Sascha Hauer <s.hauer@pengutronix.de>,
	sigma star Kernel Team <upstream+dcp@sigma-star.at>,
	"Steven Rostedt \(Google\)" <rostedt@goodmis.org>,
	David Oberhollenzer <david.oberhollenzer@sigma-star.at>,
	linux-arm-kernel@lists.infradead.org,
	linuxppc-dev@lists.ozlabs.org,
	Randy Dunlap <rdunlap@infradead.org>,
	linux-kernel@vger.kernel.org, Li Yang <leoyang.li@nxp.com>,
	linux-security-module@vger.kernel.org,
	linux-crypto@vger.kernel.org,
	Pengutroni x Kernel Team <kernel@pengutronix.de>,
	Tejun Heo <tj@kernel.org>,
	linux-integrity@vger.kernel.org, Shawn Guo <shawnguo@kernel.org>
Subject: [PATCH v5 5/6] docs: document DCP-backed trusted keys kernel params
Date: Fri, 15 Dec 2023 12:06:32 +0100	[thread overview]
Message-ID: <20231215110639.45522-6-david@sigma-star.at> (raw)
In-Reply-To: <20231215110639.45522-1-david@sigma-star.at>

Document the kernel parameters trusted.dcp_use_otp_key
and trusted.dcp_skip_zk_test for DCP-backed trusted keys.

Co-developed-by: Richard Weinberger <richard@nod.at>
Signed-off-by: Richard Weinberger <richard@nod.at>
Co-developed-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
Signed-off-by: David Gstir <david@sigma-star.at>
---
 Documentation/admin-guide/kernel-parameters.txt | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index 0a1731a0f0ef..c11eda8b38e0 100644
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -6566,6 +6566,7 @@
 			- "tpm"
 			- "tee"
 			- "caam"
+			- "dcp"
 			If not specified then it defaults to iterating through
 			the trust source list starting with TPM and assigns the
 			first trust source as a backend which is initialized
@@ -6581,6 +6582,18 @@
 			If not specified, "default" is used. In this case,
 			the RNG's choice is left to each individual trust source.
 
+	trusted.dcp_use_otp_key
+			This is intended to be used in combination with
+			trusted.source=dcp and will select the DCP OTP key
+			instead of the DCP UNIQUE key blob encryption.
+
+	trusted.dcp_skip_zk_test
+			This is intended to be used in combination with
+			trusted.source=dcp and will disable the check if all
+			the blob key is zero'ed. This is helpful for situations where
+			having this key zero'ed is acceptable. E.g. in testing
+			scenarios.
+
 	tsc=		Disable clocksource stability checks for TSC.
 			Format: <string>
 			[x86] reliable: mark tsc clocksource as reliable, this
-- 
2.35.3


  parent reply	other threads:[~2023-12-15 11:11 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-12-15 11:06 [PATCH v5 0/6] DCP as trusted keys backend David Gstir
2023-12-15 11:06 ` [PATCH v5 1/6] crypto: mxs-dcp: Add support for hardware-bound keys David Gstir
2024-03-04 22:15   ` Jarkko Sakkinen
2024-03-04 22:27   ` Jarkko Sakkinen
2023-12-15 11:06 ` [PATCH v5 2/6] KEYS: trusted: improve scalability of trust source config David Gstir
2024-03-04 22:35   ` Jarkko Sakkinen
2023-12-15 11:06 ` [PATCH v5 3/6] KEYS: trusted: Introduce NXP DCP-backed trusted keys David Gstir
2024-03-04 22:43   ` Jarkko Sakkinen
2023-12-15 11:06 ` [PATCH v5 4/6] MAINTAINERS: add entry for DCP-based " David Gstir
2024-03-04 22:48   ` Jarkko Sakkinen
2024-03-07 15:34     ` David Gstir
2023-12-15 11:06 ` David Gstir [this message]
2023-12-15 11:06 ` [PATCH v5 6/6] docs: trusted-encrypted: add DCP as new trust source David Gstir
2023-12-19  0:45 ` [PATCH v5 0/6] DCP as trusted keys backend Paul Moore
2024-03-04 22:51   ` Jarkko Sakkinen
2024-02-05  8:39 ` David Gstir
2024-02-13  9:59   ` Richard Weinberger
2024-02-25 22:20     ` Richard Weinberger
2024-02-26  9:17       ` Jarkko Sakkinen

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