FreeBSD/Linux Kernel Cross Reference
sys/compat/linuxkpi/common/include/linux/debugfs.h

     /*-
      * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
      *
      * Copyright (c) 2016-2018, Matthew Macy <mmacy@freebsd.org>
      *
      * Redistribution and use in source and binary forms, with or without
      * modification, are permitted provided that the following conditions
      * are met:
      * 1. Redistributions of source code must retain the above copyright
     *    notice, this list of conditions and the following disclaimer.
     * 2. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in the
     *    documentation and/or other materials provided with the distribution.
     *
     * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
     * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
     * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     * SUCH DAMAGE.
     *
     * $FreeBSD$
     */
    
    #ifndef _LINUXKPI_LINUX_DEBUGFS_H_
    #define _LINUXKPI_LINUX_DEBUGFS_H_
    
    #include <linux/fs.h>
    #include <linux/module.h>
    #include <linux/seq_file.h>
    #include <linux/types.h>
    
    MALLOC_DECLARE(M_DFSINT);
    
    struct debugfs_reg32 {
            char *name;
            unsigned long offset;
    };
    
    struct debugfs_regset32 {
            const struct debugfs_reg32 *regs;
            int nregs;
    };
    
    struct debugfs_blob_wrapper {
            void                    *data;
            size_t                  size;
    };
    
    struct dentry *debugfs_create_file(const char *name, umode_t mode,
        struct dentry *parent, void *data,
        const struct file_operations *fops);
    
    /* TODO: We currently ignore the `file_size` argument. */
    struct dentry *debugfs_create_file_size(const char *name, umode_t mode,
        struct dentry *parent, void *data,
        const struct file_operations *fops,
        loff_t file_size);
    
    struct dentry *debugfs_create_file_unsafe(const char *name, umode_t mode,
    struct dentry *parent, void *data,
        const struct file_operations *fops);
    
    struct dentry *debugfs_create_mode_unsafe(const char *name, umode_t mode,
        struct dentry *parent, void *data,
        const struct file_operations *fops,
        const struct file_operations *fops_ro,
        const struct file_operations *fops_wo);
    
    struct dentry *debugfs_create_dir(const char *name, struct dentry *parent);
    
    struct dentry *debugfs_create_symlink(const char *name, struct dentry *parent,
        const char *dest);
    
    void debugfs_remove(struct dentry *dentry);
    
    void debugfs_remove_recursive(struct dentry *dentry);
    
    #define DEFINE_DEBUGFS_ATTRIBUTE(__fops, __get, __set, __fmt) \
            DEFINE_SIMPLE_ATTRIBUTE(__fops, __get, __set, __fmt)
    
    void debugfs_create_bool(const char *name, umode_t mode, struct dentry *parent,
        bool *value);
    void debugfs_create_u8(const char *name, umode_t mode, struct dentry *parent,
        uint8_t *value);
    void debugfs_create_u16(const char *name, umode_t mode, struct dentry *parent,
        uint16_t *value);
    void debugfs_create_u32(const char *name, umode_t mode, struct dentry *parent,
        uint32_t *value);
    void debugfs_create_u64(const char *name, umode_t mode, struct dentry *parent,
        uint64_t *value);
    void debugfs_create_x8(const char *name, umode_t mode, struct dentry *parent,
        uint8_t *value);
    void debugfs_create_x16(const char *name, umode_t mode, struct dentry *parent,
       uint16_t *value);
   void debugfs_create_x32(const char *name, umode_t mode, struct dentry *parent,
       uint32_t *value);
   void debugfs_create_x64(const char *name, umode_t mode, struct dentry *parent,
       uint64_t *value);
   void debugfs_create_ulong(const char *name, umode_t mode, struct dentry *parent,
       unsigned long *value);
   void debugfs_create_atomic_t(const char *name, umode_t mode, struct dentry *parent,
       atomic_t *value);
   
   struct dentry *debugfs_create_blob(const char *name, umode_t mode,
       struct dentry *parent, struct debugfs_blob_wrapper *value);
   
   #endif /* _LINUXKPI_LINUX_DEBUGFS_H_ */

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