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(name: "aes_ops" , S_IRUSR | S_IRGRP | S_IROTH, |
41 | parent: root, value: &drv->stats.aes_ops.counter); |
42 | debugfs_create_u32(name: "sha256_ops" , S_IRUSR | S_IRGRP | S_IROTH, |
43 | parent: root, value: &drv->stats.sha256_ops.counter); |
44 | debugfs_create_u32(name: "sha512_ops" , S_IRUSR | S_IRGRP | S_IROTH, |
45 | parent: root, value: &drv->stats.sha512_ops.counter); |
46 | debugfs_create_u64(name: "aes_bytes" , S_IRUSR | S_IRGRP | S_IROTH, |
47 | parent: root, value: &drv->stats.aes_bytes.counter); |
48 | debugfs_create_u64(name: "sha256_bytes" , S_IRUSR | S_IRGRP | S_IROTH, |
49 | parent: root, value: &drv->stats.sha256_bytes.counter); |
50 | debugfs_create_u64(name: "sha512_bytes" , S_IRUSR | S_IRGRP | S_IROTH, |
51 | parent: root, value: &drv->stats.sha512_bytes.counter); |
52 | debugfs_create_u32(name: "errors" , S_IRUSR | S_IRGRP | S_IROTH, |
53 | parent: root, value: &drv->stats.errors.counter); |
54 | debugfs_create_u32(name: "last_error" , S_IRUSR | S_IRGRP | S_IROTH, |
55 | parent: root, value: &drv->stats.last_error.counter); |
56 | debugfs_create_u32(name: "last_error_pid" , S_IRUSR | S_IRGRP | S_IROTH, |
57 | parent: root, value: &drv->stats.last_error_pid.counter); |
58 | } |
59 | |
60 | void |
61 | nx_debugfs_fini(struct nx_crypto_driver *drv) |
62 | { |
63 | debugfs_remove_recursive(dentry: drv->dfs_root); |
64 | } |
65 | |
66 | #endif |
67 | |