| Kent Yoder | 175e0e2 | 2012-04-12 05:38:54 +0000 | [diff] [blame] | 1 | /** |
| 2 | * debugfs routines supporting the Power 7+ Nest Accelerators driver |
| 3 | * |
| 4 | * Copyright (C) 2011-2012 International Business Machines Inc. |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License as published by |
| 8 | * the Free Software Foundation; version 2 only. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | * GNU General Public License for more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License |
| 16 | * along with this program; if not, write to the Free Software |
| 17 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| 18 | * |
| 19 | * Author: Kent Yoder <yoder1@us.ibm.com> |
| 20 | */ |
| 21 | |
| 22 | #include <linux/device.h> |
| 23 | #include <linux/kobject.h> |
| 24 | #include <linux/string.h> |
| 25 | #include <linux/debugfs.h> |
| 26 | #include <linux/module.h> |
| 27 | #include <linux/init.h> |
| 28 | #include <linux/crypto.h> |
| 29 | #include <crypto/hash.h> |
| 30 | #include <asm/vio.h> |
| 31 | |
| 32 | #include "nx_csbcpb.h" |
| 33 | #include "nx.h" |
| 34 | |
| 35 | #ifdef CONFIG_DEBUG_FS |
| 36 | |
| 37 | /* |
| 38 | * debugfs |
| 39 | * |
| 40 | * For documentation on these attributes, please see: |
| 41 | * |
| 42 | * Documentation/ABI/testing/debugfs-pfo-nx-crypto |
| 43 | */ |
| 44 | |
| 45 | int nx_debugfs_init(struct nx_crypto_driver *drv) |
| 46 | { |
| 47 | struct nx_debugfs *dfs = &drv->dfs; |
| 48 | |
| 49 | dfs->dfs_root = debugfs_create_dir(NX_NAME, NULL); |
| 50 | |
| 51 | dfs->dfs_aes_ops = |
| 52 | debugfs_create_u32("aes_ops", |
| 53 | S_IRUSR | S_IRGRP | S_IROTH, |
| 54 | dfs->dfs_root, (u32 *)&drv->stats.aes_ops); |
| 55 | dfs->dfs_sha256_ops = |
| 56 | debugfs_create_u32("sha256_ops", |
| 57 | S_IRUSR | S_IRGRP | S_IROTH, |
| 58 | dfs->dfs_root, |
| 59 | (u32 *)&drv->stats.sha256_ops); |
| 60 | dfs->dfs_sha512_ops = |
| 61 | debugfs_create_u32("sha512_ops", |
| 62 | S_IRUSR | S_IRGRP | S_IROTH, |
| 63 | dfs->dfs_root, |
| 64 | (u32 *)&drv->stats.sha512_ops); |
| 65 | dfs->dfs_aes_bytes = |
| 66 | debugfs_create_u64("aes_bytes", |
| 67 | S_IRUSR | S_IRGRP | S_IROTH, |
| 68 | dfs->dfs_root, |
| 69 | (u64 *)&drv->stats.aes_bytes); |
| 70 | dfs->dfs_sha256_bytes = |
| 71 | debugfs_create_u64("sha256_bytes", |
| 72 | S_IRUSR | S_IRGRP | S_IROTH, |
| 73 | dfs->dfs_root, |
| 74 | (u64 *)&drv->stats.sha256_bytes); |
| 75 | dfs->dfs_sha512_bytes = |
| 76 | debugfs_create_u64("sha512_bytes", |
| 77 | S_IRUSR | S_IRGRP | S_IROTH, |
| 78 | dfs->dfs_root, |
| 79 | (u64 *)&drv->stats.sha512_bytes); |
| 80 | dfs->dfs_errors = |
| 81 | debugfs_create_u32("errors", |
| 82 | S_IRUSR | S_IRGRP | S_IROTH, |
| 83 | dfs->dfs_root, (u32 *)&drv->stats.errors); |
| 84 | dfs->dfs_last_error = |
| 85 | debugfs_create_u32("last_error", |
| 86 | S_IRUSR | S_IRGRP | S_IROTH, |
| 87 | dfs->dfs_root, |
| 88 | (u32 *)&drv->stats.last_error); |
| 89 | dfs->dfs_last_error_pid = |
| 90 | debugfs_create_u32("last_error_pid", |
| 91 | S_IRUSR | S_IRGRP | S_IROTH, |
| 92 | dfs->dfs_root, |
| 93 | (u32 *)&drv->stats.last_error_pid); |
| 94 | return 0; |
| 95 | } |
| 96 | |
| 97 | void |
| 98 | nx_debugfs_fini(struct nx_crypto_driver *drv) |
| 99 | { |
| 100 | debugfs_remove_recursive(drv->dfs.dfs_root); |
| 101 | } |
| 102 | |
| 103 | #endif |