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um: Add an option to make serial driver non-raw

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In some cases, for example when the program(s) running inside UML
isn't/aren't interactive (like the hwsim tests for wpa_supplicant)
there's really no value in having the serial lines configured to
be raw as they are now by default. Setting them to non-raw lets
one abort the whole UML with Ctrl-C, which is really the right
thing to do in these cases, basically the whole UML instance is
more like a single (testing) program.

Add a "ssl-non-raw" option to UML to support such a mode.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
This commit is contained in:
Johannes Berg
2019-05-25 00:08:43 +02:00
committed by Richard Weinberger
parent b3a987b026
commit f1dc67d0e7
2 changed files with 9 additions and 1 deletions
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2
arch/um/drivers/chan_user.h
View File

@@ -11,7 +11,7 @@
struct chan_opts { struct chan_opts {
void (*const announce)(char *dev_name, int dev); void (*const announce)(char *dev_name, int dev);
char *xterm_title; char *xterm_title;
const int raw; int raw;
}; };
struct chan_ops { struct chan_ops {

8
arch/um/drivers/ssl.c
View File

@@ -196,3 +196,11 @@ static int ssl_chan_setup(char *str)
__setup("ssl", ssl_chan_setup); __setup("ssl", ssl_chan_setup);
__channel_help(ssl_chan_setup, "ssl"); __channel_help(ssl_chan_setup, "ssl");
static int ssl_non_raw_setup(char *str)
{
opts.raw = 0;
return 1;
}
__setup("ssl-non-raw", ssl_non_raw_setup);
__channel_help(ssl_non_raw_setup, "set serial lines to non-raw mode");