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SST registers are presented to OS in multi-layer structures starting with a SST header showing version information freezing current definition. For details on SST terminology refer to Documentation/admin-guide/pm/intel-speed-select.rst under the kernel documentation SST TPMI details are published in the following document: https://github.com/intel/tpmi_power_management/blob/main/SST_TPMI_public_disclosure_FINAL.docx SST MMIO structure layout follows: SST-HEADER SST-CP Header SST-CP CONTROL SST-CP STATUS SST-CP CONFIG0 SST-CP CONFIG1 ... ... SST-PP Header SST-PP OFFSET_0 SST-PP OFFSET_1 SST_PP_0_INFO SST_PP_1_INFO SST_PP_2_INFO SST_PP_3_INFO SST-PP CONTROL SST-PP STATUS Each register bank contains information to get to next lower level information. This information is parsed and stored in the struct tpmi_per_power_domain_info for each domain. This information is used to process each SST requests. Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Reviewed-by: Zhang Rui <rui.zhang@intel.com> Tested-by: Pragya Tanwar <pragya.tanwar@intel.com> Link: https://lore.kernel.org/r/20230308070642.1727167-4-srinivas.pandruvada@linux.intel.com Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
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.