124 lines
4 KiB
C
124 lines
4 KiB
C
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#ifndef _HFI1_DEBUGFS_H
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#define _HFI1_DEBUGFS_H
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/*
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* Copyright(c) 2015, 2016, 2018 Intel Corporation.
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*
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* This file is provided under a dual BSD/GPLv2 license. When using or
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* redistributing this file, you may do so under either license.
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*
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* GPL LICENSE SUMMARY
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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 version 2 of the GNU General Public License as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* BSD LICENSE
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* - Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* - Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* - Neither the name of Intel Corporation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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struct hfi1_ibdev;
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#define DEBUGFS_FILE_CREATE(name, parent, data, ops, mode) \
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do { \
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struct dentry *ent; \
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const char *__name = name; \
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ent = debugfs_create_file(__name, mode, parent, \
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data, ops); \
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if (!ent) \
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pr_warn("create of %s failed\n", __name); \
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} while (0)
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#define DEBUGFS_SEQ_FILE_OPS(name) \
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static const struct seq_operations _##name##_seq_ops = { \
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.start = _##name##_seq_start, \
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.next = _##name##_seq_next, \
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.stop = _##name##_seq_stop, \
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.show = _##name##_seq_show \
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}
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#define DEBUGFS_SEQ_FILE_OPEN(name) \
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static int _##name##_open(struct inode *inode, struct file *s) \
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{ \
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struct seq_file *seq; \
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int ret; \
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ret = seq_open(s, &_##name##_seq_ops); \
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if (ret) \
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return ret; \
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seq = s->private_data; \
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seq->private = inode->i_private; \
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return 0; \
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}
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#define DEBUGFS_FILE_OPS(name) \
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static const struct file_operations _##name##_file_ops = { \
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.owner = THIS_MODULE, \
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.open = _##name##_open, \
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.read = hfi1_seq_read, \
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.llseek = hfi1_seq_lseek, \
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.release = seq_release \
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}
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#define DEBUGFS_SEQ_FILE_CREATE(name, parent, data) \
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DEBUGFS_FILE_CREATE(#name, parent, data, &_##name##_file_ops, 0444)
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ssize_t hfi1_seq_read(struct file *file, char __user *buf, size_t size,
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loff_t *ppos);
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loff_t hfi1_seq_lseek(struct file *file, loff_t offset, int whence);
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#ifdef CONFIG_DEBUG_FS
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void hfi1_dbg_ibdev_init(struct hfi1_ibdev *ibd);
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void hfi1_dbg_ibdev_exit(struct hfi1_ibdev *ibd);
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void hfi1_dbg_init(void);
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void hfi1_dbg_exit(void);
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#else
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static inline void hfi1_dbg_ibdev_init(struct hfi1_ibdev *ibd)
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{
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}
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static inline void hfi1_dbg_ibdev_exit(struct hfi1_ibdev *ibd)
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{
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}
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static inline void hfi1_dbg_init(void)
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{
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}
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static inline void hfi1_dbg_exit(void)
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{
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}
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#endif
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#endif /* _HFI1_DEBUGFS_H */
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