linux-kernel - [PATCH] selftests: watchdog: Add gettimeout and get|set pretimeout

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Message-Id: <1537570526-65241-1-git-send-email-jerry.hoemann@hpe.com>
Date:   Fri, 21 Sep 2018 16:55:26 -0600
From:   Jerry Hoemann <jerry.hoemann@....com>
To:     shuah@...nel.org, erosca@...adit-jv.com
Cc:     linux-kselftest@...r.kernel.org, linux-kernel@...r.kernel.org,
        Jerry Hoemann <jerry.hoemann@....com>
Subject: [PATCH] selftests: watchdog: Add gettimeout and get|set pretimeout

Add command line arguments to call ioctl WDIOC_GETTIMEOUT,
WDIOC_GETPRETIMEOUT and WDIOC_SETPRETIMEOUT.

Signed-off-by: Jerry Hoemann <jerry.hoemann@....com>
---
 tools/testing/selftests/watchdog/watchdog-test.c | 30 +++++++++++++++++++++++-
 1 file changed, 29 insertions(+), 1 deletion(-)

diff --git a/tools/testing/selftests/watchdog/watchdog-test.c b/tools/testing/selftests/watchdog/watchdog-test.c
index 6e29087..4861e2c 100644
--- a/tools/testing/selftests/watchdog/watchdog-test.c
+++ b/tools/testing/selftests/watchdog/watchdog-test.c
@@ -19,7 +19,7 @@
 
 int fd;
 const char v = 'V';
-static const char sopts[] = "bdehp:t:";
+static const char sopts[] = "bdehp:t:Tn:N";
 static const struct option lopts[] = {
 	{"bootstatus",          no_argument, NULL, 'b'},
 	{"disable",             no_argument, NULL, 'd'},
@@ -27,6 +27,9 @@
 	{"help",                no_argument, NULL, 'h'},
 	{"pingrate",      required_argument, NULL, 'p'},
 	{"timeout",       required_argument, NULL, 't'},
+	{"gettimeout",          no_argument, NULL, 'T'},
+	{"pretimeout",    required_argument, NULL, 'n'},
+	{"getpretimeout",       no_argument, NULL, 'N'},
 	{NULL,                  no_argument, NULL, 0x0}
 };
 
@@ -71,6 +74,9 @@ static void usage(char *progname)
 	printf(" -h, --help          Print the help message\n");
 	printf(" -p, --pingrate=P    Set ping rate to P seconds (default %d)\n", DEFAULT_PING_RATE);
 	printf(" -t, --timeout=T     Set timeout to T seconds\n");
+	printf(" -T, --gettimeout    Get the timeout\n");
+	printf(" -n, --pretimeout    Set the pretimeout to T seconds\n");
+	printf(" -N, --getpretimeout Get the pretimeout\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);
@@ -135,6 +141,28 @@ int main(int argc, char *argv[])
 			else
 				printf("WDIOC_SETTIMEOUT errno '%s'\n", strerror(errno));
 			break;
+		case 'T':
+			ret = ioctl(fd, WDIOC_GETTIMEOUT, &flags);
+			if (!ret)
+				printf("Watchdog timeout set to %u seconds.\n", flags);
+			else
+				printf("WDIOC_GETTIMEOUT errno '%s'\n", strerror(errno));
+			break;
+		case 'n':
+			flags = strtoul(optarg, NULL, 0);
+			ret = ioctl(fd, WDIOC_SETPRETIMEOUT, &flags);
+			if (!ret)
+				printf("Watchdog pretimeout set to %u seconds.\n", flags);
+			else
+				printf("WDIOC_SETPRETIMEOUT errno '%s'\n", strerror(errno));
+			break;
+		case 'N':
+			ret = ioctl(fd, WDIOC_GETPRETIMEOUT, &flags);
+			if (!ret)
+				printf("Watchdog pretimeout set to %u seconds.\n", flags);
+			else
+				printf("WDIOC_GETPRETIMEOUT errno '%s'\n", strerror(errno));
+			break;
 		default:
 			usage(argv[0]);
 			goto end;
-- 
1.8.3.1