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selftests: watchdog: Add gettimeleft command line arg 

Add command line argument to call and display the results
of ioctl WDIOC_GETTIMELEFT.

Signed-off-by: Jerry Hoemann <jerry.hoemann@hpe.com>
Signed-off-by: Shuah Khan <shuah@kernel.org>
This commit is contained in:
Jerry Hoemann 2018-11-30 10:35:41 -07:00 committed by Shuah Khan
parent b708a3cc96
commit 6059c6b1d5
1 changed files with 12 additions and 1 deletions
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13
tools/testing/selftests/watchdog/watchdog-test.c
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@ -19,7 +19,7 @@
int fd;
const char v = 'V';
static const char sopts[] = "bdehp:t:Tn:N";
static const char sopts[] = "bdehp:t:Tn:NL";
static const struct option lopts[] = {
{"bootstatus", no_argument, NULL, 'b'},
{"disable", no_argument, NULL, 'd'},
@ -30,6 +30,7 @@ static const struct option lopts[] = {
{"gettimeout", no_argument, NULL, 'T'},
{"pretimeout", required_argument, NULL, 'n'},
{"getpretimeout", no_argument, NULL, 'N'},
{"gettimeleft", no_argument, NULL, 'L'},
{NULL, no_argument, NULL, 0x0}
};
@ -77,6 +78,7 @@ static void usage(char *progname)
printf(" -T, --gettimeout Get the timeout\n");
printf(" -n, --pretimeout=T Set the pretimeout to T seconds\n");
printf(" -N, --getpretimeout Get the pretimeout\n");
printf(" -L, --gettimeleft Get the time left until timer experies\n");
printf("\n");
printf("Parameters are parsed left-to-right in real-time.\n");
printf("Example: %s -d -t 10 -p 5 -e\n", progname);
@ -180,6 +182,15 @@ int main(int argc, char *argv[])
else
printf("WDIOC_GETPRETIMEOUT error '%s'\n", strerror(errno));
break;
case 'L':
oneshot = 1;
ret = ioctl(fd, WDIOC_GETTIMELEFT, &flags);
if (!ret)
printf("WDIOC_GETTIMELEFT returns %u seconds.\n", flags);
else
printf("WDIOC_GETTIMELEFT error '%s'\n", strerror(errno));
break;
default:
usage(argv[0]);
goto end;