seq_file.h

Version: - FREEBSD - FREEBSD-13-STABLE - FREEBSD-13-0 - FREEBSD-12-STABLE - FREEBSD-12-0 - FREEBSD-11-STABLE - FREEBSD-11-0 - FREEBSD-10-STABLE - FREEBSD-10-0 - FREEBSD-9-STABLE - FREEBSD-9-0 - FREEBSD-8-STABLE - FREEBSD-8-0 - FREEBSD-7-STABLE - FREEBSD-7-0 - FREEBSD-6-STABLE - FREEBSD-6-0 - FREEBSD-5-STABLE - FREEBSD-5-0 - FREEBSD-4-STABLE - FREEBSD-3-STABLE - FREEBSD22 - l41 - OPENBSD - linux-2.6 - MK84 - PLAN9 - xnu-8792
SearchContext: - none - 3 - 10

    1 /*-
    2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
    3  *
    4  * Copyright (c) 2016-2018, Matthew Macy <mmacy@freebsd.org>
    5  *
    6  * Redistribution and use in source and binary forms, with or without
    7  * modification, are permitted provided that the following conditions
    8  * are met:
    9  * 1. Redistributions of source code must retain the above copyright
   10  *    notice, this list of conditions and the following disclaimer.
   11  * 2. Redistributions in binary form must reproduce the above copyright
   12  *    notice, this list of conditions and the following disclaimer in the
   13  *    documentation and/or other materials provided with the distribution.
   14  *
   15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   16  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   17  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   18  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   19  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   20  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   21  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   22  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   23  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   24  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   25  * SUCH DAMAGE.
   26  *
   27  * $FreeBSD$
   28  */
   29 
   30 #ifndef _LINUXKPI_LINUX_SEQ_FILE_H_
   31 #define _LINUXKPI_LINUX_SEQ_FILE_H_
   32 
   33 #include <linux/types.h>
   34 #include <linux/fs.h>
   35 
   36 #undef file
   37 #define inode vnode
   38 
   39 MALLOC_DECLARE(M_LSEQ);
   40 
   41 #define DEFINE_SHOW_ATTRIBUTE(__name)                                   \
   42 static int __name ## _open(struct inode *inode, struct linux_file *file)        \
   43 {                                                                       \
   44         return single_open(file, __name ## _show, inode->i_private);    \
   45 }                                                                       \
   46                                                                         \
   47 static const struct file_operations __name ## _fops = {                 \
   48         .owner          = THIS_MODULE,                                  \
   49         .open           = __name ## _open,                              \
   50         .read           = seq_read,                                     \
   51         .llseek         = seq_lseek,                                    \
   52         .release        = single_release,                               \
   53 }
   54 
   55 struct seq_file {
   56         struct sbuf *buf;
   57         const struct seq_operations *op;
   58         const struct linux_file *file;
   59         void *private;
   60 };
   61 
   62 struct seq_operations {
   63         void * (*start) (struct seq_file *m, off_t *pos);
   64         void (*stop) (struct seq_file *m, void *v);
   65         void * (*next) (struct seq_file *m, void *v, off_t *pos);
   66         int (*show) (struct seq_file *m, void *v);
   67 };
   68 
   69 ssize_t seq_read(struct linux_file *, char *, size_t, off_t *);
   70 int seq_write(struct seq_file *seq, const void *data, size_t len);
   71 
   72 void *__seq_open_private(struct linux_file *, const struct seq_operations *, int);
   73 int seq_release_private(struct inode *, struct linux_file *);
   74 
   75 int seq_open(struct linux_file *f, const struct seq_operations *op);
   76 int seq_release(struct inode *inode, struct linux_file *file);
   77 
   78 off_t seq_lseek(struct linux_file *file, off_t offset, int whence);
   79 int single_open(struct linux_file *, int (*)(struct seq_file *, void *), void *);
   80 int single_release(struct inode *, struct linux_file *);
   81 
   82 void lkpi_seq_vprintf(struct seq_file *m, const char *fmt, va_list args);
   83 void lkpi_seq_printf(struct seq_file *m, const char *fmt, ...);
   84 
   85 #define seq_vprintf(...)        lkpi_seq_vprintf(__VA_ARGS__)
   86 #define seq_printf(...)         lkpi_seq_printf(__VA_ARGS__)
   87 
   88 #define seq_puts(m, str)        sbuf_printf((m)->buf, str)
   89 #define seq_putc(m, str)        sbuf_putc((m)->buf, str)
   90 
   91 #define file                    linux_file
   92 
   93 #endif  /* _LINUXKPI_LINUX_SEQ_FILE_H_ */

Cache object: 92478d4d605e48a40f7d2640b3b02edf

[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]

This page is part of the FreeBSD/Linux Linux Kernel Cross-Reference, and was automatically generated using a modified version of the LXR engine.

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

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