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This enables TPM Command Response Buffer interface driver for ARM64 and implements an ARM specific TPM CRB start method that invokes a Secure Monitor Call (SMC) to request the TrustZone Firmware to execute or cancel a TPM 2.0 command. In ARM, TrustZone security extensions enable a secure software environment with Secure Monitor mode. A Secure Monitor Call (SMC) is used to enter the Secure Monitor mode and perform a Secure Monitor service to communicate with TrustZone firmware which has control over the TPM hardware. Signed-off-by: Jiandi An <anjiandi@codeaurora.org> Tested-by: Shanker Donthineni <shankerd@codeaurora.org> Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> Tested-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> (on x86/PTT) Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.