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platform/x86/intel/tpmi: Add defines to get version information

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Add defines to get major and minor version from a TPMI version field
value. This will avoid code duplication to convert in every feature
driver. Also add define for invalid version field.

Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Link: https://lore.kernel.org/r/20231003184916.1860084-2-srinivas.pandruvada@linux.intel.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
This commit is contained in:
Srinivas Pandruvada 2023-10-03 11:49:14 -07:00 committed by Ilpo Järvinen
parent 23f392ea6d
commit 8874e414fe
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1 changed files with 6 additions and 0 deletions
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6
include/linux/intel_tpmi.h
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@ -6,6 +6,12 @@
#ifndef _INTEL_TPMI_H_
#define _INTEL_TPMI_H_
#include <linux/bitfield.h>
#define TPMI_VERSION_INVALID 0xff
#define TPMI_MINOR_VERSION(val) FIELD_GET(GENMASK(4, 0), val)
#define TPMI_MAJOR_VERSION(val) FIELD_GET(GENMASK(7, 5), val)
/**
* struct intel_tpmi_plat_info - Platform information for a TPMI device instance
* @package_id: CPU Package id