| Message ID | 20220313144802.65687-9-sughosh.ganu@linaro.org |
|---|---|
| State | New |
| Headers | show |
| Series | tpm: rng: Move TPM RNG functionality to driver model | expand |
hi Heinrich, On Sun, 13 Mar 2022 at 20:19, Sughosh Ganu <sughosh.ganu@linaro.org> wrote: > > Add a usage document for the 'rng' u-boot command. > > Signed-off-by: Sughosh Ganu <sughosh.ganu@linaro.org> > Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org> > Reviewed-by: Simon Glass <sjg@chromium.org> > --- > > Changes since V4: > > * Reflect the fact that a maximum of 64 bytes can be read on each > invocation of the 'rng' command > > doc/usage/index.rst | 1 + > doc/usage/rng.rst | 26 ++++++++++++++++++++++++++ > 2 files changed, 27 insertions(+) > create mode 100644 doc/usage/rng.rst Can you please pick this up, as this has been reviewed and is not related to the TPM RNG changes which are still under discussion. Thanks. -sughosh > > diff --git a/doc/usage/index.rst b/doc/usage/index.rst > index 0aacf531b2..5712a924ae 100644 > --- a/doc/usage/index.rst > +++ b/doc/usage/index.rst > @@ -45,6 +45,7 @@ Shell commands > pstore > qfw > reset > + rng > sbi > sf > scp03 > diff --git a/doc/usage/rng.rst b/doc/usage/rng.rst > new file mode 100644 > index 0000000000..1a352da41a > --- /dev/null > +++ b/doc/usage/rng.rst > @@ -0,0 +1,26 @@ > +.. SPDX-License-Identifier: GPL-2.0+ > + > +rng command > +=========== > + > +Synopsis > +-------- > + > +:: > + > + rng [devnum [n]] > + > +Description > +----------- > + > +The *rng* command reads the random number generator(RNG) device and > +prints the random bytes read on the console. A maximum of 64 bytes can > +be read in one invocation of the command. > + > +devnum > + The RNG device from which the random bytes are to be > + read. Defaults to 0. > + > +n > + Number of random bytes to be read and displayed on the > + console. Default value is 0x40. Max value is 0x40. > -- > 2.25.1 >
diff --git a/doc/usage/index.rst b/doc/usage/index.rst index 0aacf531b2..5712a924ae 100644 --- a/doc/usage/index.rst +++ b/doc/usage/index.rst @@ -45,6 +45,7 @@ Shell commands pstore qfw reset + rng sbi sf scp03 diff --git a/doc/usage/rng.rst b/doc/usage/rng.rst new file mode 100644 index 0000000000..1a352da41a --- /dev/null +++ b/doc/usage/rng.rst @@ -0,0 +1,26 @@ +.. SPDX-License-Identifier: GPL-2.0+ + +rng command +=========== + +Synopsis +-------- + +:: + + rng [devnum [n]] + +Description +----------- + +The *rng* command reads the random number generator(RNG) device and +prints the random bytes read on the console. A maximum of 64 bytes can +be read in one invocation of the command. + +devnum + The RNG device from which the random bytes are to be + read. Defaults to 0. + +n + Number of random bytes to be read and displayed on the + console. Default value is 0x40. Max value is 0x40.