| Message ID | 20230131063928.388035-22-ajd@linux.ibm.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | pSeries dynamic secure boot secvar interface + platform keyring loading | expand |
On 1/31/23 01:39, Andrew Donnellan wrote: > From: Russell Currey <ruscur@russell.cc> > > Add helper function to get the PLPKS password length. This will be used > in a later patch to support passing the password between kernels over > kexec. > > Signed-off-by: Russell Currey <ruscur@russell.cc> > Signed-off-by: Andrew Donnellan <ajd@linux.ibm.com> Reviewed-by: Stefan Berger <stefanb@linux.ibm.com> > > --- > > v3: New patch > > v5: Drop plpks_get_password() since we no longer need to expose it. > --- > arch/powerpc/include/asm/plpks.h | 5 +++++ > arch/powerpc/platforms/pseries/plpks.c | 5 +++++ > 2 files changed, 10 insertions(+) > > diff --git a/arch/powerpc/include/asm/plpks.h b/arch/powerpc/include/asm/plpks.h > index 0c49969b0864..757313e00521 100644 > --- a/arch/powerpc/include/asm/plpks.h > +++ b/arch/powerpc/include/asm/plpks.h > @@ -171,6 +171,11 @@ u32 plpks_get_maxlargeobjectsize(void); > */ > u64 plpks_get_signedupdatealgorithms(void); > > +/** > + * Returns the length of the PLPKS password in bytes. > + */ > +u16 plpks_get_passwordlen(void); > + > #endif // CONFIG_PSERIES_PLPKS > > #endif // _ASM_POWERPC_PLPKS_H > diff --git a/arch/powerpc/platforms/pseries/plpks.c b/arch/powerpc/platforms/pseries/plpks.c > index 926b6a927326..6940280ae94a 100644 > --- a/arch/powerpc/platforms/pseries/plpks.c > +++ b/arch/powerpc/platforms/pseries/plpks.c > @@ -359,6 +359,11 @@ u64 plpks_get_signedupdatealgorithms(void) > return signedupdatealgorithms; > } > > +u16 plpks_get_passwordlen(void) > +{ > + return ospasswordlength; > +} > + > bool plpks_is_available(void) > { > int rc;
diff --git a/arch/powerpc/include/asm/plpks.h b/arch/powerpc/include/asm/plpks.h index 0c49969b0864..757313e00521 100644 --- a/arch/powerpc/include/asm/plpks.h +++ b/arch/powerpc/include/asm/plpks.h @@ -171,6 +171,11 @@ u32 plpks_get_maxlargeobjectsize(void); */ u64 plpks_get_signedupdatealgorithms(void); +/** + * Returns the length of the PLPKS password in bytes. + */ +u16 plpks_get_passwordlen(void); + #endif // CONFIG_PSERIES_PLPKS #endif // _ASM_POWERPC_PLPKS_H diff --git a/arch/powerpc/platforms/pseries/plpks.c b/arch/powerpc/platforms/pseries/plpks.c index 926b6a927326..6940280ae94a 100644 --- a/arch/powerpc/platforms/pseries/plpks.c +++ b/arch/powerpc/platforms/pseries/plpks.c @@ -359,6 +359,11 @@ u64 plpks_get_signedupdatealgorithms(void) return signedupdatealgorithms; } +u16 plpks_get_passwordlen(void) +{ + return ospasswordlength; +} + bool plpks_is_available(void) { int rc;