51 lines
1.6 KiB
C
51 lines
1.6 KiB
C
/* 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_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
|
|
* @package_id: CPU Package 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 {
|
|
u8 package_id;
|
|
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);
|
|
#endif
|