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0fce2dc157
Add debugfs_create_u8() based on other already present implementations. Add a read-only implementation for debugfs_create_blob(). Both are needed for iwlwifi debugfs support. Sponsored by: The FreeBSD Foundation MFC after: 3 days OKed by: jfree (earlier version) Differential Revision: https://reviews.freebsd.org/D37090
91 lines
3.2 KiB
C
91 lines
3.2 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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*
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* Copyright (c) 2016-2018, Matthew Macy <mmacy@freebsd.org>
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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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* 1. 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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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _LINUXKPI_LINUX_DEBUGFS_H_
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#define _LINUXKPI_LINUX_DEBUGFS_H_
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#include <linux/fs.h>
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#include <linux/module.h>
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#include <linux/seq_file.h>
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#include <linux/types.h>
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MALLOC_DECLARE(M_DFSINT);
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struct debugfs_reg32 {
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char *name;
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unsigned long offset;
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};
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struct debugfs_regset32 {
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const struct debugfs_reg32 *regs;
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int nregs;
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};
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struct debugfs_blob_wrapper {
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void *data;
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size_t size;
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};
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struct dentry *debugfs_create_file(const char *name, umode_t mode,
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struct dentry *parent, void *data,
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const struct file_operations *fops);
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struct dentry *debugfs_create_file_unsafe(const char *name, umode_t mode,
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struct dentry *parent, void *data,
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const struct file_operations *fops);
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struct dentry *debugfs_create_mode_unsafe(const char *name, umode_t mode,
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struct dentry *parent, void *data,
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const struct file_operations *fops,
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const struct file_operations *fops_ro,
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const struct file_operations *fops_wo);
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struct dentry *debugfs_create_dir(const char *name, struct dentry *parent);
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struct dentry *debugfs_create_symlink(const char *name, struct dentry *parent,
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const char *dest);
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void debugfs_remove(struct dentry *dentry);
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void debugfs_remove_recursive(struct dentry *dentry);
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#define DEFINE_DEBUGFS_ATTRIBUTE(__fops, __get, __set, __fmt) \
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DEFINE_SIMPLE_ATTRIBUTE(__fops, __get, __set, __fmt)
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void debugfs_create_bool(const char *name, umode_t mode, struct dentry *parent,
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bool *value);
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void debugfs_create_u8(const char *name, umode_t mode, struct dentry *parent,
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uint8_t *value);
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void debugfs_create_ulong(const char *name, umode_t mode, struct dentry *parent,
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unsigned long *value);
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struct dentry *debugfs_create_blob(const char *name, umode_t mode,
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struct dentry *parent, struct debugfs_blob_wrapper *value);
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#endif /* _LINUXKPI_LINUX_DEBUGFS_H_ */
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