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_debugfs.h"
   7 #include "nitrox_dev.h"
   8
   9 static 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
  18 DEFINE_SHOW_ATTRIBUTE(firmware);
  19
  20 static 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
  35 DEFINE_SHOW_ATTRIBUTE(device);
  36
  37 static 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
  52 DEFINE_SHOW_ATTRIBUTE(stats);
  53
  54 void nitrox_debugfs_exit(struct nitrox_device *ndev)
  55 {
  56         debugfs_remove_recursive(ndev->debugfs_dir);
  57         ndev->debugfs_dir = NULL;
  58 }
  59
  60 void 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 }