| Message ID | 20240327082454.13729-6-david@sigma-star.at (mailing list archive) |
|---|---|
| State | Superseded |
| Delegated to: | Herbert Xu |
| Headers | show |
| Series | DCP as trusted keys backend | expand |
On Wed Mar 27, 2024 at 10:24 AM EET, David Gstir wrote: > 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 24c02c704049..b6944e57768a 100644 > --- a/Documentation/admin-guide/kernel-parameters.txt > +++ b/Documentation/admin-guide/kernel-parameters.txt > @@ -6698,6 +6698,7 @@ > - "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 > @@ -6713,6 +6714,18 @@ > 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 Nicely documented, i.e. even I can understand what is said here :-) Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org> BR, Jarkko
diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt index 24c02c704049..b6944e57768a 100644 --- a/Documentation/admin-guide/kernel-parameters.txt +++ b/Documentation/admin-guide/kernel-parameters.txt @@ -6698,6 +6698,7 @@ - "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 @@ -6713,6 +6714,18 @@ 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