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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link_dp_trace.h (2652B)

      1/*
      2 * Copyright 2022 Advanced Micro Devices, Inc.
      3 *
      4 * Permission is hereby granted, free of charge, to any person obtaining a
      5 * copy of this software and associated documentation files (the "Software"),
      6 * to deal in the Software without restriction, including without limitation
      7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
      8 * and/or sell copies of the Software, and to permit persons to whom the
      9 * Software is furnished to do so, subject to the following conditions:
     10 *
     11 * The above copyright notice and this permission notice shall be included in
     12 * all copies or substantial portions of the Software.
     13 *
     14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
     17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
     18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
     19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
     20 * OTHER DEALINGS IN THE SOFTWARE.
     21 *
     22 * Authors: AMD
     23 *
     24 */
     25#ifndef __LINK_DP_TRACE_H__
     26#define __LINK_DP_TRACE_H__
     27
     28void dp_trace_init(struct dc_link *link);
     29void dp_trace_reset(struct dc_link *link);
     30bool dc_dp_trace_is_initialized(struct dc_link *link);
     31void dp_trace_detect_lt_init(struct dc_link *link);
     32void dp_trace_commit_lt_init(struct dc_link *link);
     33void dp_trace_link_loss_increment(struct dc_link *link);
     34void dp_trace_lt_fail_count_update(struct dc_link *link,
     35		unsigned int fail_count,
     36		bool in_detection);
     37void dp_trace_lt_total_count_increment(struct dc_link *link,
     38		bool in_detection);
     39void dc_dp_trace_set_is_logged_flag(struct dc_link *link,
     40		bool in_detection,
     41		bool is_logged);
     42bool dc_dp_trace_is_logged(struct dc_link *link,
     43		bool in_detection);
     44void dp_trace_lt_result_update(struct dc_link *link,
     45		enum link_training_result result,
     46		bool in_detection);
     47void dp_trace_set_lt_start_timestamp(struct dc_link *link,
     48		bool in_detection);
     49void dp_trace_set_lt_end_timestamp(struct dc_link *link,
     50		bool in_detection);
     51unsigned long long dc_dp_trace_get_lt_end_timestamp(struct dc_link *link,
     52		bool in_detection);
     53struct dp_trace_lt_counts *dc_dp_trace_get_lt_counts(struct dc_link *link,
     54		bool in_detection);
     55unsigned int dc_dp_trace_get_link_loss_count(struct dc_link *link);
     56
     57void dp_trace_set_edp_power_timestamp(struct dc_link *link,
     58		bool power_up);
     59uint64_t dp_trace_get_edp_poweron_timestamp(struct dc_link *link);
     60uint64_t dp_trace_get_edp_poweroff_timestamp(struct dc_link *link);
     61
     62#endif /* __LINK_DP_TRACE_H__ */