diff options
Diffstat (limited to 'drivers/crypto/nx/nx_debugfs.c')
| -rw-r--r-- | drivers/crypto/nx/nx_debugfs.c | 103 | 
1 files changed, 103 insertions, 0 deletions
diff --git a/drivers/crypto/nx/nx_debugfs.c b/drivers/crypto/nx/nx_debugfs.c new file mode 100644 index 00000000000..7ab2e8dcd9b --- /dev/null +++ b/drivers/crypto/nx/nx_debugfs.c @@ -0,0 +1,103 @@ +/** + * debugfs routines supporting the Power 7+ Nest Accelerators driver + * + * Copyright (C) 2011-2012 International Business Machines Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 only. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + * + * Author: Kent Yoder <yoder1@us.ibm.com> + */ + +#include <linux/device.h> +#include <linux/kobject.h> +#include <linux/string.h> +#include <linux/debugfs.h> +#include <linux/module.h> +#include <linux/init.h> +#include <linux/crypto.h> +#include <crypto/hash.h> +#include <asm/vio.h> + +#include "nx_csbcpb.h" +#include "nx.h" + +#ifdef CONFIG_DEBUG_FS + +/* + * debugfs + * + * For documentation on these attributes, please see: + * + * Documentation/ABI/testing/debugfs-pfo-nx-crypto + */ + +int nx_debugfs_init(struct nx_crypto_driver *drv) +{ +	struct nx_debugfs *dfs = &drv->dfs; + +	dfs->dfs_root = debugfs_create_dir(NX_NAME, NULL); + +	dfs->dfs_aes_ops = +		debugfs_create_u32("aes_ops", +				   S_IRUSR | S_IRGRP | S_IROTH, +				   dfs->dfs_root, (u32 *)&drv->stats.aes_ops); +	dfs->dfs_sha256_ops = +		debugfs_create_u32("sha256_ops", +				   S_IRUSR | S_IRGRP | S_IROTH, +				   dfs->dfs_root, +				   (u32 *)&drv->stats.sha256_ops); +	dfs->dfs_sha512_ops = +		debugfs_create_u32("sha512_ops", +				   S_IRUSR | S_IRGRP | S_IROTH, +				   dfs->dfs_root, +				   (u32 *)&drv->stats.sha512_ops); +	dfs->dfs_aes_bytes = +		debugfs_create_u64("aes_bytes", +				   S_IRUSR | S_IRGRP | S_IROTH, +				   dfs->dfs_root, +				   (u64 *)&drv->stats.aes_bytes); +	dfs->dfs_sha256_bytes = +		debugfs_create_u64("sha256_bytes", +				   S_IRUSR | S_IRGRP | S_IROTH, +				   dfs->dfs_root, +				   (u64 *)&drv->stats.sha256_bytes); +	dfs->dfs_sha512_bytes = +		debugfs_create_u64("sha512_bytes", +				   S_IRUSR | S_IRGRP | S_IROTH, +				   dfs->dfs_root, +				   (u64 *)&drv->stats.sha512_bytes); +	dfs->dfs_errors = +		debugfs_create_u32("errors", +				   S_IRUSR | S_IRGRP | S_IROTH, +				   dfs->dfs_root, (u32 *)&drv->stats.errors); +	dfs->dfs_last_error = +		debugfs_create_u32("last_error", +				   S_IRUSR | S_IRGRP | S_IROTH, +				   dfs->dfs_root, +				   (u32 *)&drv->stats.last_error); +	dfs->dfs_last_error_pid = +		debugfs_create_u32("last_error_pid", +				   S_IRUSR | S_IRGRP | S_IROTH, +				   dfs->dfs_root, +				   (u32 *)&drv->stats.last_error_pid); +	return 0; +} + +void +nx_debugfs_fini(struct nx_crypto_driver *drv) +{ +	debugfs_remove_recursive(drv->dfs.dfs_root); +} + +#endif  |