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authorAl Viro <viro@zeniv.linux.org.uk>2008-08-17 13:48:37 -0400
committerH. Peter Anvin <hpa@zytor.com>2008-10-22 22:55:19 -0700
commit8569c9140bd41089f9b6be8837ca421102714a90 (patch)
treecd289b322b215fe2ca2530aa320febfd99388d7f /arch/um/include/shared/chan_user.h
parent2515ddc6db8eb49a79f0fe5e67ff09ac7c81eab4 (diff)
x86, um: take arch/um/include/* out of the way
We can't just plop asm/* into it - userland helpers are built with it in search path and seeing asm/* show up there suddenly would be a bad idea. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Diffstat (limited to 'arch/um/include/shared/chan_user.h')
-rw-r--r--arch/um/include/shared/chan_user.h55
1 files changed, 55 insertions, 0 deletions
diff --git a/arch/um/include/shared/chan_user.h b/arch/um/include/shared/chan_user.h
new file mode 100644
index 00000000000..9b9ced85b70
--- /dev/null
+++ b/arch/um/include/shared/chan_user.h
@@ -0,0 +1,55 @@
+/*
+ * Copyright (C) 2000, 2001 Jeff Dike (jdike@karaya.com)
+ * Licensed under the GPL
+ */
+
+#ifndef __CHAN_USER_H__
+#define __CHAN_USER_H__
+
+#include "init.h"
+
+struct chan_opts {
+ void (*const announce)(char *dev_name, int dev);
+ char *xterm_title;
+ const int raw;
+};
+
+enum chan_init_pri { INIT_STATIC, INIT_ALL, INIT_ONE };
+
+struct chan_ops {
+ char *type;
+ void *(*init)(char *, int, const struct chan_opts *);
+ int (*open)(int, int, int, void *, char **);
+ void (*close)(int, void *);
+ int (*read)(int, char *, void *);
+ int (*write)(int, const char *, int, void *);
+ int (*console_write)(int, const char *, int);
+ int (*window_size)(int, void *, unsigned short *, unsigned short *);
+ void (*free)(void *);
+ int winch;
+};
+
+extern const struct chan_ops fd_ops, null_ops, port_ops, pts_ops, pty_ops,
+ tty_ops, xterm_ops;
+
+extern void generic_close(int fd, void *unused);
+extern int generic_read(int fd, char *c_out, void *unused);
+extern int generic_write(int fd, const char *buf, int n, void *unused);
+extern int generic_console_write(int fd, const char *buf, int n);
+extern int generic_window_size(int fd, void *unused, unsigned short *rows_out,
+ unsigned short *cols_out);
+extern void generic_free(void *data);
+
+struct tty_struct;
+extern void register_winch(int fd, struct tty_struct *tty);
+extern void register_winch_irq(int fd, int tty_fd, int pid,
+ struct tty_struct *tty, unsigned long stack);
+
+#define __channel_help(fn, prefix) \
+__uml_help(fn, prefix "[0-9]*=<channel description>\n" \
+" Attach a console or serial line to a host channel. See\n" \
+" http://user-mode-linux.sourceforge.net/old/input.html for a complete\n" \
+" description of this switch.\n\n" \
+);
+
+#endif