add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/crypto/nx/nx_debugfs.c
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@@ -1,20 +1,8 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /**
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  * debugfs routines supporting the Power 7+ Nest Accelerators driver
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  *
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  * Copyright (C) 2011-2012 International Business Machines Inc.
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- *
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- * This program is free software; you can redistribute it and/or modify
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- * it under the terms of the GNU General Public License as published by
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- * the Free Software Foundation; version 2 only.
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- *
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- * This program is distributed in the hope that it will be useful,
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- * but WITHOUT ANY WARRANTY; without even the implied warranty of
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- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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- * GNU General Public License for more details.
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- *
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- * You should have received a copy of the GNU General Public License
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- * along with this program; if not, write to the Free Software
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- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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  *
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  * Author: Kent Yoder <yoder1@us.ibm.com>
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  */
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@@ -42,62 +30,37 @@
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  * Documentation/ABI/testing/debugfs-pfo-nx-crypto
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  */
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-int nx_debugfs_init(struct nx_crypto_driver *drv)
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+void nx_debugfs_init(struct nx_crypto_driver *drv)
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 {
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-	struct nx_debugfs *dfs = &drv->dfs;
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+	struct dentry *root;
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-	dfs->dfs_root = debugfs_create_dir(NX_NAME, NULL);
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+	root = debugfs_create_dir(NX_NAME, NULL);
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+	drv->dfs_root = root;
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39
 
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-	dfs->dfs_aes_ops =
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-		debugfs_create_u32("aes_ops",
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-				   S_IRUSR | S_IRGRP | S_IROTH,
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-				   dfs->dfs_root, (u32 *)&drv->stats.aes_ops);
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-	dfs->dfs_sha256_ops =
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-		debugfs_create_u32("sha256_ops",
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-				   S_IRUSR | S_IRGRP | S_IROTH,
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-				   dfs->dfs_root,
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-				   (u32 *)&drv->stats.sha256_ops);
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-	dfs->dfs_sha512_ops =
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-		debugfs_create_u32("sha512_ops",
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-				   S_IRUSR | S_IRGRP | S_IROTH,
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-				   dfs->dfs_root,
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-				   (u32 *)&drv->stats.sha512_ops);
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-	dfs->dfs_aes_bytes =
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-		debugfs_create_u64("aes_bytes",
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-				   S_IRUSR | S_IRGRP | S_IROTH,
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-				   dfs->dfs_root,
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-				   (u64 *)&drv->stats.aes_bytes);
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-	dfs->dfs_sha256_bytes =
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-		debugfs_create_u64("sha256_bytes",
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-				   S_IRUSR | S_IRGRP | S_IROTH,
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-				   dfs->dfs_root,
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-				   (u64 *)&drv->stats.sha256_bytes);
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-	dfs->dfs_sha512_bytes =
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-		debugfs_create_u64("sha512_bytes",
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-				   S_IRUSR | S_IRGRP | S_IROTH,
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-				   dfs->dfs_root,
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-				   (u64 *)&drv->stats.sha512_bytes);
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-	dfs->dfs_errors =
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-		debugfs_create_u32("errors",
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-				   S_IRUSR | S_IRGRP | S_IROTH,
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-				   dfs->dfs_root, (u32 *)&drv->stats.errors);
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-	dfs->dfs_last_error =
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-		debugfs_create_u32("last_error",
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-				   S_IRUSR | S_IRGRP | S_IROTH,
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-				   dfs->dfs_root,
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-				   (u32 *)&drv->stats.last_error);
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-	dfs->dfs_last_error_pid =
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-		debugfs_create_u32("last_error_pid",
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-				   S_IRUSR | S_IRGRP | S_IROTH,
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-				   dfs->dfs_root,
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-				   (u32 *)&drv->stats.last_error_pid);
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-	return 0;
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+	debugfs_create_u32("aes_ops", S_IRUSR | S_IRGRP | S_IROTH,
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+			   root, &drv->stats.aes_ops.counter);
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+	debugfs_create_u32("sha256_ops", S_IRUSR | S_IRGRP | S_IROTH,
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+			   root, &drv->stats.sha256_ops.counter);
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+	debugfs_create_u32("sha512_ops", S_IRUSR | S_IRGRP | S_IROTH,
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+			   root, &drv->stats.sha512_ops.counter);
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+	debugfs_create_u64("aes_bytes", S_IRUSR | S_IRGRP | S_IROTH,
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+			   root, &drv->stats.aes_bytes.counter);
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+	debugfs_create_u64("sha256_bytes", S_IRUSR | S_IRGRP | S_IROTH,
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+			   root, &drv->stats.sha256_bytes.counter);
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+	debugfs_create_u64("sha512_bytes", S_IRUSR | S_IRGRP | S_IROTH,
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+			   root, &drv->stats.sha512_bytes.counter);
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+	debugfs_create_u32("errors", S_IRUSR | S_IRGRP | S_IROTH,
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+			   root, &drv->stats.errors.counter);
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+	debugfs_create_u32("last_error", S_IRUSR | S_IRGRP | S_IROTH,
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+			   root, &drv->stats.last_error.counter);
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+	debugfs_create_u32("last_error_pid", S_IRUSR | S_IRGRP | S_IROTH,
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+			   root, &drv->stats.last_error_pid.counter);
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 }
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 void
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 nx_debugfs_fini(struct nx_crypto_driver *drv)
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 {
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-	debugfs_remove_recursive(drv->dfs.dfs_root);
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+	debugfs_remove_recursive(drv->dfs_root);
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 }
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 #endif