On Thu, Oct 15, 2026 at 12:07:45PM +0530, Kuldeep Singh wrote: > Qualcomm platforms with a discrete TPM (dTPM) talked to it directly over > a non-secure SPI channel from the kernel. Arm's Base Boot Security > Requirements (BBSR) v1.4 require that access to go through TrustZone > instead, so on affected Qualcomm platforms the TPM 2.0 instance is now > fronted by a Trusted Application (TA) running inside Qualcomm's Trusted > Execution Environment (QTEE), which talks to the dTPM (or implements an > fTPM) on the kernel's behalf. > > This series adds a kernel driver for that TA, built on the QCOMTEE > object-IPC transport (drivers/tee/qcomtee/) already used to reach other > QTEE services. > > This patch series functionally depends on below(first 5 changes specially) > for qtee service discovery. > - > https://lore.kernel.org/lkml/20261006-qcom_uefisecapp_migrate_qcomtee-v4-0-bf1c8e2a6...@oss.qualcomm.com/ > > Tested on Glymur-crd target with tpm2-tools utility. > > Validations: > - Get capabilities > - Random number generator > - RSA key creation, encryption and decryption. > > Signed-off-by: Kuldeep Singh <[email protected]> > --- > Changes in v3: > - Merge tpm_qcom.h into tpm_qcom.c(Amir comments) > - Update return values of functions and drop certain error prints. > - Define locality_arg as default value. > - Add Jarrko's tag on all but drop from 2/3 as significant changes done.
I get this because I have hard time to write "catppuccin" correctly ;-) Br, Jarkko
