drivers/crypto/cavium/nitrox/nitrox_debugfs.c

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