[PATCH 2/2] tpm: get tpm event log from bloblist

[Tom Rini]

On Sun, Dec 15, 2024 at 09:34:32AM +0200, Ilias Apalodimas wrote:
> On Sat, 14 Dec 2024 at 00:56, Raymond Mao <raymond.mao at linaro.org> wrote:
> >
> > Get tpm event log from bloblist instead of FDT when bloblist is
> > enabled and valid from previous boot stage.
> >
> > Note:
> > This patch depends on:
> > [PATCH 1/2] bloblist: Introduce BLOBLIST_PRIOR_STAGE options
> > https://lore.kernel.org/u-boot/20241212151142.1562825-1-trini@konsulko.com/
> >
> > Signed-off-by: Raymond Mao <raymond.mao at linaro.org>
> > ---
> >  lib/tpm_tcg2.c | 7 +++++++
> >  1 file changed, 7 insertions(+)
> >
> > diff --git a/lib/tpm_tcg2.c b/lib/tpm_tcg2.c
> > index 7f868cc883..acaf0acb88 100644
> > --- a/lib/tpm_tcg2.c
> > +++ b/lib/tpm_tcg2.c
> > @@ -19,6 +19,7 @@
> >  #include <linux/unaligned/generic.h>
> >  #include <linux/unaligned/le_byteshift.h>
> >  #include "tpm-utils.h"
> > +#include <bloblist.h>
> >
> >  int tcg2_get_pcr_info(struct udevice *dev, u32 *supported_pcr, u32 *active_pcr,
> >                       u32 *pcr_banks)
> > @@ -672,6 +673,12 @@ __weak int tcg2_platform_get_log(struct udevice *dev, void **addr, u32 *size)
> >         *addr = NULL;
> >         *size = 0;
> >
> > +       if (CONFIG_IS_ENABLED(BLOBLIST_PRIOR_STAGE) && !bloblist_maybe_init()) {
> > +               *addr = bloblist_get_blob(BLOBLISTT_TPM_EVLOG, size);
> > +               if (*addr && *size)
> > +                       return 0;
> > +       }
> > +
> >         addr_prop = dev_read_prop(dev, "tpm_event_log_addr", &asize);
> >         if (!addr_prop)
> >                 addr_prop = dev_read_prop(dev, "linux,sml-base", &asize);
> > --
> > 2.25.1
> >
> 
> Tom, this is a mix of TPM & bloblist series. Do you want me to carry
> them via the TPM tree?

Yeah, that works, thanks.

-- 
Tom
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