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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drm_privacy_screen_machine.h (1281B)

      1/* SPDX-License-Identifier: MIT */
      2/*
      3 * Copyright (C) 2020 Red Hat, Inc.
      4 *
      5 * Authors:
      6 * Hans de Goede <hdegoede@redhat.com>
      7 */
      8
      9#ifndef __DRM_PRIVACY_SCREEN_MACHINE_H__
     10#define __DRM_PRIVACY_SCREEN_MACHINE_H__
     11
     12#include <linux/list.h>
     13
     14/**
     15 * struct drm_privacy_screen_lookup -  static privacy-screen lookup list entry
     16 *
     17 * Used for the static lookup-list for mapping privacy-screen consumer
     18 * dev-connector pairs to a privacy-screen provider.
     19 */
     20struct drm_privacy_screen_lookup {
     21	/** @list: Lookup list list-entry. */
     22	struct list_head list;
     23	/** @dev_id: Consumer device name or NULL to match all devices. */
     24	const char *dev_id;
     25	/** @con_id: Consumer connector name or NULL to match all connectors. */
     26	const char *con_id;
     27	/** @provider: dev_name() of the privacy_screen provider. */
     28	const char *provider;
     29};
     30
     31void drm_privacy_screen_lookup_add(struct drm_privacy_screen_lookup *lookup);
     32void drm_privacy_screen_lookup_remove(struct drm_privacy_screen_lookup *lookup);
     33
     34#if IS_ENABLED(CONFIG_DRM_PRIVACY_SCREEN) && IS_ENABLED(CONFIG_X86)
     35void drm_privacy_screen_lookup_init(void);
     36void drm_privacy_screen_lookup_exit(void);
     37#else
     38static inline void drm_privacy_screen_lookup_init(void)
     39{
     40}
     41static inline void drm_privacy_screen_lookup_exit(void)
     42{
     43}
     44#endif
     45
     46#endif