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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intel_gt_pm.h (1882B)

      1/* SPDX-License-Identifier: MIT */
      2/*
      3 * Copyright © 2019 Intel Corporation
      4 */
      5
      6#ifndef INTEL_GT_PM_H
      7#define INTEL_GT_PM_H
      8
      9#include <linux/types.h>
     10
     11#include "intel_gt_types.h"
     12#include "intel_wakeref.h"
     13
     14static inline bool intel_gt_pm_is_awake(const struct intel_gt *gt)
     15{
     16	return intel_wakeref_is_active(&gt->wakeref);
     17}
     18
     19static inline void intel_gt_pm_get(struct intel_gt *gt)
     20{
     21	intel_wakeref_get(&gt->wakeref);
     22}
     23
     24static inline void __intel_gt_pm_get(struct intel_gt *gt)
     25{
     26	__intel_wakeref_get(&gt->wakeref);
     27}
     28
     29static inline bool intel_gt_pm_get_if_awake(struct intel_gt *gt)
     30{
     31	return intel_wakeref_get_if_active(&gt->wakeref);
     32}
     33
     34static inline void intel_gt_pm_might_get(struct intel_gt *gt)
     35{
     36	intel_wakeref_might_get(&gt->wakeref);
     37}
     38
     39static inline void intel_gt_pm_put(struct intel_gt *gt)
     40{
     41	intel_wakeref_put(&gt->wakeref);
     42}
     43
     44static inline void intel_gt_pm_put_async(struct intel_gt *gt)
     45{
     46	intel_wakeref_put_async(&gt->wakeref);
     47}
     48
     49static inline void intel_gt_pm_might_put(struct intel_gt *gt)
     50{
     51	intel_wakeref_might_put(&gt->wakeref);
     52}
     53
     54#define with_intel_gt_pm(gt, tmp) \
     55	for (tmp = 1, intel_gt_pm_get(gt); tmp; \
     56	     intel_gt_pm_put(gt), tmp = 0)
     57
     58static inline int intel_gt_pm_wait_for_idle(struct intel_gt *gt)
     59{
     60	return intel_wakeref_wait_for_idle(&gt->wakeref);
     61}
     62
     63void intel_gt_pm_init_early(struct intel_gt *gt);
     64void intel_gt_pm_init(struct intel_gt *gt);
     65void intel_gt_pm_fini(struct intel_gt *gt);
     66
     67void intel_gt_suspend_prepare(struct intel_gt *gt);
     68void intel_gt_suspend_late(struct intel_gt *gt);
     69int intel_gt_resume(struct intel_gt *gt);
     70
     71void intel_gt_runtime_suspend(struct intel_gt *gt);
     72int intel_gt_runtime_resume(struct intel_gt *gt);
     73
     74ktime_t intel_gt_get_awake_time(const struct intel_gt *gt);
     75
     76static inline bool is_mock_gt(const struct intel_gt *gt)
     77{
     78	return I915_SELFTEST_ONLY(gt->awake == -ENODEV);
     79}
     80
     81#endif /* INTEL_GT_PM_H */