> -----Original Message----- > From: linux-integrity-owner@xxxxxxxxxxxxxxx <linux-integrity- > owner@xxxxxxxxxxxxxxx> On Behalf Of Stefan Berger > Sent: Wednesday, January 09, 2019 5:11 PM > To: linux-integrity@xxxxxxxxxxxxxxx; jarkko.sakkinen@xxxxxxxxxxxxxxx > Cc: linux-security-module@xxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx; > Stefan Berger <stefanb@xxxxxxxxxxxxxxxxxx> > Subject: EXT: [PATCH 0/5] Extend TPM PPI interface to support revision 1.3 > > This series of patches extends the TPM subsystem's PPI support to support > TPM PPI revision 1.3 where more commands are supported (up to 101) and > the TPM 2 command code '23' takes an additional parameter. > > For the command code '23' see this document here on document page 39: > https://trustedcomputinggroup.org/wp-content/uploads/Physical- > Presence-Interface_1-30_0-52.pdf > > Stefan You might mention that this is an important feature, as on at least some systems, ppi function 23 is the only way to enable/disable PCR banks. I have tested this patch set on my HP Spectre laptop, and I am finally able to turn the sha-1 bank on and off. Much appreciated! Tested-by: David Safford <david.safford@xxxxxx> > > Stefan Berger (5): > tpm: ppi: pass function revision ID to tpm_eval_dsm() > tpm: ppi: rename TPM_PPI_REVISION_ID to TPM_PPI_REVISION_1 > tpm: ppi: Display up to 101 operations as define for version 1.3 > tpm: ppi: Possibly show command parameter if TPM PPI 1.3 is used > tpm: ppi: Enable submission of optional command parameter for PPI 1.3 > > drivers/char/tpm/tpm_ppi.c | 78 ++++++++++++++++++++++++++++-------- > -- > 1 file changed, 58 insertions(+), 20 deletions(-) > > -- > 2.17.1
