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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nitrox_debugfs.c (1900B)

      1// SPDX-License-Identifier: GPL-2.0
      2#include <linux/seq_file.h>
      3#include <linux/debugfs.h>
      4
      5#include "nitrox_csr.h"
      6#include "nitrox_debugfs.h"
      7#include "nitrox_dev.h"
      8
      9static int firmware_show(struct seq_file *s, void *v)
     10{
     11	struct nitrox_device *ndev = s->private;
     12
     13	seq_printf(s, "Version: %s\n", ndev->hw.fw_name[0]);
     14	seq_printf(s, "Version: %s\n", ndev->hw.fw_name[1]);
     15	return 0;
     16}
     17
     18DEFINE_SHOW_ATTRIBUTE(firmware);
     19
     20static int device_show(struct seq_file *s, void *v)
     21{
     22	struct nitrox_device *ndev = s->private;
     23
     24	seq_printf(s, "NITROX [%d]\n", ndev->idx);
     25	seq_printf(s, "  Part Name: %s\n", ndev->hw.partname);
     26	seq_printf(s, "  Frequency: %d MHz\n", ndev->hw.freq);
     27	seq_printf(s, "  Device ID: 0x%0x\n", ndev->hw.device_id);
     28	seq_printf(s, "  Revision ID: 0x%0x\n", ndev->hw.revision_id);
     29	seq_printf(s, "  Cores: [AE=%u  SE=%u  ZIP=%u]\n",
     30		   ndev->hw.ae_cores, ndev->hw.se_cores, ndev->hw.zip_cores);
     31
     32	return 0;
     33}
     34
     35DEFINE_SHOW_ATTRIBUTE(device);
     36
     37static int stats_show(struct seq_file *s, void *v)
     38{
     39	struct nitrox_device *ndev = s->private;
     40
     41	seq_printf(s, "NITROX [%d] Request Statistics\n", ndev->idx);
     42	seq_printf(s, "  Posted: %llu\n",
     43		   (u64)atomic64_read(&ndev->stats.posted));
     44	seq_printf(s, "  Completed: %llu\n",
     45		   (u64)atomic64_read(&ndev->stats.completed));
     46	seq_printf(s, "  Dropped: %llu\n",
     47		   (u64)atomic64_read(&ndev->stats.dropped));
     48
     49	return 0;
     50}
     51
     52DEFINE_SHOW_ATTRIBUTE(stats);
     53
     54void nitrox_debugfs_exit(struct nitrox_device *ndev)
     55{
     56	debugfs_remove_recursive(ndev->debugfs_dir);
     57	ndev->debugfs_dir = NULL;
     58}
     59
     60void nitrox_debugfs_init(struct nitrox_device *ndev)
     61{
     62	struct dentry *dir;
     63
     64	dir = debugfs_create_dir(KBUILD_MODNAME, NULL);
     65
     66	ndev->debugfs_dir = dir;
     67	debugfs_create_file("firmware", 0400, dir, ndev, &firmware_fops);
     68	debugfs_create_file("device", 0400, dir, ndev, &device_fops);
     69	debugfs_create_file("stats", 0400, dir, ndev, &stats_fops);
     70}