cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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fan.h (1364B)


      1/* SPDX-License-Identifier: GPL-2.0-only */
      2
      3/*
      4 * ACPI fan device IDs are shared between the fan driver and the device power
      5 * management code.
      6 *
      7 * Add new device IDs before the generic ACPI fan one.
      8 */
      9
     10#ifndef _ACPI_FAN_H_
     11#define _ACPI_FAN_H_
     12
     13#define ACPI_FAN_DEVICE_IDS	\
     14	{"INT3404", }, /* Fan */ \
     15	{"INTC1044", }, /* Fan for Tiger Lake generation */ \
     16	{"INTC1048", }, /* Fan for Alder Lake generation */ \
     17	{"INTC1063", }, /* Fan for Meteor Lake generation */ \
     18	{"INTC10A2", }, /* Fan for Raptor Lake generation */ \
     19	{"PNP0C0B", } /* Generic ACPI fan */
     20
     21#define ACPI_FPS_NAME_LEN	20
     22
     23struct acpi_fan_fps {
     24	u64 control;
     25	u64 trip_point;
     26	u64 speed;
     27	u64 noise_level;
     28	u64 power;
     29	char name[ACPI_FPS_NAME_LEN];
     30	struct device_attribute dev_attr;
     31};
     32
     33struct acpi_fan_fif {
     34	u8 revision;
     35	u8 fine_grain_ctrl;
     36	u8 step_size;
     37	u8 low_speed_notification;
     38};
     39
     40struct acpi_fan_fst {
     41	u64 revision;
     42	u64 control;
     43	u64 speed;
     44};
     45
     46struct acpi_fan {
     47	bool acpi4;
     48	struct acpi_fan_fif fif;
     49	struct acpi_fan_fps *fps;
     50	int fps_count;
     51	struct thermal_cooling_device *cdev;
     52	struct device_attribute fst_speed;
     53	struct device_attribute fine_grain_control;
     54};
     55
     56int acpi_fan_get_fst(struct acpi_device *device, struct acpi_fan_fst *fst);
     57int acpi_fan_create_attributes(struct acpi_device *device);
     58void acpi_fan_delete_attributes(struct acpi_device *device);
     59#endif