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[ Upstream commit 8874e414fe78718d0f2861fe511cecbd1cd73f4d ] 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> Stable-dep-of: 1d390923974c ("powercap: intel_rapl_tpmi: Ignore minor version change") Signed-off-by: Sasha Levin <sashal@kernel.org>
39 lines
1.1 KiB
C
39 lines
1.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* intel_tpmi.h: Intel TPMI core external interface
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*/
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#ifndef _INTEL_TPMI_H_
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#define _INTEL_TPMI_H_
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#include <linux/bitfield.h>
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#define TPMI_VERSION_INVALID 0xff
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#define TPMI_MINOR_VERSION(val) FIELD_GET(GENMASK(4, 0), val)
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#define TPMI_MAJOR_VERSION(val) FIELD_GET(GENMASK(7, 5), val)
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/**
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* struct intel_tpmi_plat_info - Platform information for a TPMI device instance
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* @package_id: CPU Package id
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* @bus_number: PCI bus number
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* @device_number: PCI device number
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* @function_number: PCI function number
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*
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* Structure to store platform data for a TPMI device instance. This
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* struct is used to return data via tpmi_get_platform_data().
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*/
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struct intel_tpmi_plat_info {
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u8 package_id;
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u8 bus_number;
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u8 device_number;
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u8 function_number;
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};
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struct intel_tpmi_plat_info *tpmi_get_platform_data(struct auxiliary_device *auxdev);
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struct resource *tpmi_get_resource_at_index(struct auxiliary_device *auxdev, int index);
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int tpmi_get_resource_count(struct auxiliary_device *auxdev);
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int tpmi_get_feature_status(struct auxiliary_device *auxdev, int feature_id, int *locked,
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int *disabled);
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#endif
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