Index: stable/12/sys/compat/linuxkpi/common/include/linux/seq_file.h
===================================================================
--- stable/12/sys/compat/linuxkpi/common/include/linux/seq_file.h	(revision 348276)
+++ stable/12/sys/compat/linuxkpi/common/include/linux/seq_file.h	(revision 348277)
@@ -1,71 +1,88 @@
 /*-
  * 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 _LINUX_SEQ_FILE_H_
 #define _LINUX_SEQ_FILE_H_
 
+#include <linux/types.h>
+#include <linux/fs.h>
 #include <sys/sbuf.h>
 
-struct seq_operations;
-struct linux_file;
-
+#undef file
 #define inode vnode
 
+#define	DEFINE_SHOW_ATTRIBUTE(__name)					\
+static int __name ## _open(struct inode *inode, struct linux_file *file)	\
+{									\
+	return single_open(file, __name ## _show, inode->i_private);	\
+}									\
+									\
+static const struct file_operations __name ## _fops = {			\
+	.owner		= THIS_MODULE,					\
+	.open		= __name ## _open,				\
+	.read		= seq_read,					\
+	.llseek		= seq_lseek,					\
+	.release	= single_release,				\
+}
+
+struct seq_operations;
+
 struct seq_file {
 	struct sbuf	*buf;
 
 	const struct seq_operations *op;
 	const struct linux_file *file;
 	void *private;
 };
 
 struct seq_operations {
 	void * (*start) (struct seq_file *m, off_t *pos);
 	void (*stop) (struct seq_file *m, void *v);
 	void * (*next) (struct seq_file *m, void *v, off_t *pos);
 	int (*show) (struct seq_file *m, void *v);
 };
 
 ssize_t seq_read(struct linux_file *, char *, size_t, off_t *);
 int seq_write(struct seq_file *seq, const void *data, size_t len);
 
 int seq_open(struct linux_file *f, const struct seq_operations *op);
 int seq_release(struct inode *inode, struct linux_file *file);
 
 off_t seq_lseek(struct linux_file *file, off_t offset, int whence);
 int single_open(struct linux_file *, int (*)(struct seq_file *, void *), void *);
 int single_release(struct inode *, struct linux_file *);
 
 #define seq_printf(m, fmt, ...) sbuf_printf((m)->buf, (fmt), ##__VA_ARGS__)
 
 #define seq_puts(m, str)	sbuf_printf((m)->buf, str)
 #define seq_putc(m, str)	sbuf_putc((m)->buf, str)
 
+#define	file			linux_file
 
 #endif	/* _LINUX_SEQ_FILE_H_ */
Index: stable/12/sys/modules/linuxkpi/Makefile
===================================================================
--- stable/12/sys/modules/linuxkpi/Makefile	(revision 348276)
+++ stable/12/sys/modules/linuxkpi/Makefile	(revision 348277)
@@ -1,33 +1,34 @@
 # $FreeBSD$
 .PATH:	${SRCTOP}/sys/compat/linuxkpi/common/src
 
 KMOD=	linuxkpi
 SRCS=	linux_compat.c \
 	linux_current.c \
 	linux_hrtimer.c \
 	linux_idr.c \
 	linux_kmod.c \
 	linux_kthread.c \
 	linux_lock.c \
 	linux_page.c \
 	linux_pci.c \
 	linux_radix.c \
 	linux_rcu.c \
+	linux_seq_file.c \
 	linux_schedule.c \
 	linux_slab.c \
 	linux_tasklet.c \
 	linux_usb.c \
 	linux_work.c
 
 SRCS+=	bus_if.h \
 	device_if.h \
 	pci_if.h \
 	vnode_if.h \
 	usb_if.h \
 	opt_usb.h \
 	opt_stack.h
 
 CFLAGS+= -I${SRCTOP}/sys/compat/linuxkpi/common/include
 CFLAGS+= -I${SRCTOP}/sys/contrib/ck/include
 
 .include <bsd.kmod.mk>
Index: stable/12
===================================================================
--- stable/12	(revision 348276)
+++ stable/12	(revision 348277)

Property changes on: stable/12
___________________________________________________________________
Modified: svn:mergeinfo
## -0,0 +0,1 ##
   Merged /head:r347892