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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trace.c (1127B)

      1// SPDX-License-Identifier: GPL-2.0-only
      2//
      3// Copyright(c) 2022 Intel Corporation. All rights reserved.
      4
      5#include "sof-priv.h"
      6
      7int sof_fw_trace_init(struct snd_sof_dev *sdev)
      8{
      9	if (!sdev->ipc->ops->fw_tracing) {
     10		dev_info(sdev->dev, "Firmware tracing is not available\n");
     11		sdev->fw_trace_is_supported = false;
     12
     13		return 0;
     14	}
     15
     16	return sdev->ipc->ops->fw_tracing->init(sdev);
     17}
     18
     19void sof_fw_trace_free(struct snd_sof_dev *sdev)
     20{
     21	if (!sdev->fw_trace_is_supported || !sdev->ipc->ops->fw_tracing)
     22		return;
     23
     24	if (sdev->ipc->ops->fw_tracing->free)
     25		sdev->ipc->ops->fw_tracing->free(sdev);
     26}
     27
     28void sof_fw_trace_fw_crashed(struct snd_sof_dev *sdev)
     29{
     30	if (!sdev->fw_trace_is_supported)
     31		return;
     32
     33	if (sdev->ipc->ops->fw_tracing->fw_crashed)
     34		sdev->ipc->ops->fw_tracing->fw_crashed(sdev);
     35}
     36
     37void sof_fw_trace_suspend(struct snd_sof_dev *sdev, pm_message_t pm_state)
     38{
     39	if (!sdev->fw_trace_is_supported)
     40		return;
     41
     42	sdev->ipc->ops->fw_tracing->suspend(sdev, pm_state);
     43}
     44
     45int sof_fw_trace_resume(struct snd_sof_dev *sdev)
     46{
     47	if (!sdev->fw_trace_is_supported)
     48		return 0;
     49
     50	return sdev->ipc->ops->fw_tracing->resume(sdev);
     51}