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, (u32 *)&drv->stats.aes_ops); 42 debugfs_create_u32("sha256_ops", S_IRUSR | S_IRGRP | S_IROTH, 43 root, (u32 *)&drv->stats.sha256_ops); 44 debugfs_create_u32("sha512_ops", S_IRUSR | S_IRGRP | S_IROTH, 45 root, (u32 *)&drv->stats.sha512_ops); 46 debugfs_create_u64("aes_bytes", S_IRUSR | S_IRGRP | S_IROTH, 47 root, (u64 *)&drv->stats.aes_bytes); 48 debugfs_create_u64("sha256_bytes", S_IRUSR | S_IRGRP | S_IROTH, 49 root, (u64 *)&drv->stats.sha256_bytes); 50 debugfs_create_u64("sha512_bytes", S_IRUSR | S_IRGRP | S_IROTH, 51 root, (u64 *)&drv->stats.sha512_bytes); 52 debugfs_create_u32("errors", S_IRUSR | S_IRGRP | S_IROTH, 53 root, (u32 *)&drv->stats.errors); 54 debugfs_create_u32("last_error", S_IRUSR | S_IRGRP | S_IROTH, 55 root, (u32 *)&drv->stats.last_error); 56 debugfs_create_u32("last_error_pid", S_IRUSR | S_IRGRP | S_IROTH, 57 root, (u32 *)&drv->stats.last_error_pid); 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 67