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_huc_debugfs.c (785B)

      1// SPDX-License-Identifier: MIT
      2/*
      3 * Copyright © 2020 Intel Corporation
      4 */
      5
      6#include <drm/drm_print.h>
      7
      8#include "gt/intel_gt_debugfs.h"
      9#include "intel_huc.h"
     10#include "intel_huc_debugfs.h"
     11
     12static int huc_info_show(struct seq_file *m, void *data)
     13{
     14	struct intel_huc *huc = m->private;
     15	struct drm_printer p = drm_seq_file_printer(m);
     16
     17	if (!intel_huc_is_supported(huc))
     18		return -ENODEV;
     19
     20	intel_huc_load_status(huc, &p);
     21
     22	return 0;
     23}
     24DEFINE_INTEL_GT_DEBUGFS_ATTRIBUTE(huc_info);
     25
     26void intel_huc_debugfs_register(struct intel_huc *huc, struct dentry *root)
     27{
     28	static const struct intel_gt_debugfs_file files[] = {
     29		{ "huc_info", &huc_info_fops, NULL },
     30	};
     31
     32	if (!intel_huc_is_supported(huc))
     33		return;
     34
     35	intel_gt_debugfs_register_files(root, files, ARRAY_SIZE(files), huc);
     36}