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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* intel_tpmi.h: Intel TPMI core external interface
*/
#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)
/*
* List of supported TMPI IDs.
* Some TMPI IDs are not used by Linux, so the numbers are not consecutive.
*/
enum intel_tpmi_id {
TPMI_ID_RAPL = 0, /* Running Average Power Limit */
TPMI_ID_PEM = 1, /* Power and Perf excursion Monitor */
TPMI_ID_UNCORE = 2, /* Uncore Frequency Scaling */
TPMI_ID_SST = 5, /* Speed Select Technology */
TPMI_ID_PLR = 0xc, /* Performance Limit Reasons */
TPMI_CONTROL_ID = 0x80, /* Special ID for getting feature status */
TPMI_INFO_ID = 0x81, /* Special ID for PCI BDF and Package ID information */
};
/**
* struct intel_tpmi_plat_info - Platform information for a TPMI device instance
* @cdie_mask: Mask of all compute dies in the partition
* @package_id: CPU Package id
* @partition: Package partition id when multiple VSEC PCI devices per package
* @segment: PCI segment ID
* @bus_number: PCI bus number
* @device_number: PCI device number
* @function_number: PCI function number
*
* Structure to store platform data for a TPMI device instance. This
* struct is used to return data via tpmi_get_platform_data().
*/
struct intel_tpmi_plat_info {
u16 cdie_mask;
u8 package_id;
u8 partition;
u8 segment;
u8 bus_number;
u8 device_number;
u8 function_number;
};
struct intel_tpmi_plat_info *tpmi_get_platform_data(struct auxiliary_device *auxdev);
struct resource *tpmi_get_resource_at_index(struct auxiliary_device *auxdev, int index);
int tpmi_get_resource_count(struct auxiliary_device *auxdev);
int tpmi_get_feature_status(struct auxiliary_device *auxdev, int feature_id, bool *read_blocked,
bool *write_blocked);
struct dentry *tpmi_get_debugfs_dir(struct auxiliary_device *auxdev);
#endif
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