Adding upstream version 6.1.76.upstream/6.1.76upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 48 insertions, 0 deletions

diff --git a/arch/um/drivers/chan.h b/arch/um/drivers/chan.h
new file mode 100644
index 000000000..3fec3b840
--- /dev/null
+++ b/arch/um/drivers/chan.h
@@ -0,0 +1,48 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* 
+ * Copyright (C) 2000, 2001 Jeff Dike (jdike@karaya.com)
+ */
+
+#ifndef __CHAN_KERN_H__
+#define __CHAN_KERN_H__
+
+#include <linux/tty.h>
+#include <linux/list.h>
+#include <linux/console.h>
+#include "chan_user.h"
+#include "line.h"
+
+struct chan {
+	struct list_head list;
+	struct list_head free_list;
+	struct line *line;
+	char *dev;
+	unsigned int primary:1;
+	unsigned int input:1;
+	unsigned int output:1;
+	unsigned int opened:1;
+	unsigned int enabled:1;
+	int fd;
+	const struct chan_ops *ops;
+	void *data;
+};
+
+extern void chan_interrupt(struct line *line, int irq);
+extern int parse_chan_pair(char *str, struct line *line, int device,
+			   const struct chan_opts *opts, char **error_out);
+extern int write_chan(struct chan *chan, const char *buf, int len,
+			     int write_irq);
+extern int console_write_chan(struct chan *chan, const char *buf, 
+			      int len);
+extern int console_open_chan(struct line *line, struct console *co);
+extern void deactivate_chan(struct chan *chan, int irq);
+extern void chan_enable_winch(struct chan *chan, struct tty_port *port);
+extern int enable_chan(struct line *line);
+extern void close_chan(struct line *line);
+extern int chan_window_size(struct line *line, 
+			     unsigned short *rows_out, 
+			     unsigned short *cols_out);
+extern int chan_config_string(struct line *line, char *str, int size,
+			      char **error_out);
+
+#endif