drivers/crypto/nx/nx_debugfs.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /**
   3  * debugfs routines supporting the Power 7+ Nest Accelerators driver
   4  *
   5  * Copyright (C) 2011-2012 International Business Machines Inc.
   6  *
   7  * Author: Kent Yoder <yoder1@us.ibm.com>
   8  */
   9
  10 #include <linux/device.h>
  11 #include <linux/kobject.h>
  12 #include <linux/string.h>
  13 #include <linux/debugfs.h>
  14 #include <linux/module.h>
  15 #include <linux/init.h>
  16 #include <linux/crypto.h>
  17 #include <crypto/hash.h>
  18 #include <asm/vio.h>
  19
  20 #include "nx_csbcpb.h"
  21 #include "nx.h"
  22
  23 #ifdef CONFIG_DEBUG_FS
  24
  25 /*
  26  * debugfs
  27  *
  28  * For documentation on these attributes, please see:
  29  *
  30  * Documentation/ABI/testing/debugfs-pfo-nx-crypto
  31  */
  32
  33 void nx_debugfs_init(struct nx_crypto_driver *drv)
  34 {
  35         struct dentry *root;
  36
  37         root = debugfs_create_dir(NX_NAME, NULL);
  38         drv->dfs_root = root;
  39
  40         debugfs_create_u32("aes_ops", S_IRUSR | S_IRGRP | S_IROTH,
  41                            root, &drv->stats.aes_ops.counter);
  42         debugfs_create_u32("sha256_ops", S_IRUSR | S_IRGRP | S_IROTH,
  43                            root, &drv->stats.sha256_ops.counter);
  44         debugfs_create_u32("sha512_ops", S_IRUSR | S_IRGRP | S_IROTH,
  45                            root, &drv->stats.sha512_ops.counter);
  46         debugfs_create_u64("aes_bytes", S_IRUSR | S_IRGRP | S_IROTH,
  47                            root, &drv->stats.aes_bytes.counter);
  48         debugfs_create_u64("sha256_bytes", S_IRUSR | S_IRGRP | S_IROTH,
  49                            root, &drv->stats.sha256_bytes.counter);
  50         debugfs_create_u64("sha512_bytes", S_IRUSR | S_IRGRP | S_IROTH,
  51                            root, &drv->stats.sha512_bytes.counter);
  52         debugfs_create_u32("errors", S_IRUSR | S_IRGRP | S_IROTH,
  53                            root, &drv->stats.errors.counter);
  54         debugfs_create_u32("last_error", S_IRUSR | S_IRGRP | S_IROTH,
  55                            root, &drv->stats.last_error.counter);
  56         debugfs_create_u32("last_error_pid", S_IRUSR | S_IRGRP | S_IROTH,
  57                            root, &drv->stats.last_error_pid.counter);
  58 }
  59
  60 void
  61 nx_debugfs_fini(struct nx_crypto_driver *drv)
  62 {
  63         debugfs_remove_recursive(drv->dfs_root);
  64 }
  65
  66 #endif