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@hpe.com>
Signed-off-by: Shuah Khan (Samsung OSG) <shuah@kernel.org>

1 files changed, 32 insertions, 1 deletions

diff --git a/tools/testing/selftests/watchdog/watchdog-test.c b/tools/testing/selftests/watchdog/watchdog-test.c
index f1c6e025cbe5..e0f1600dc1b3 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 @@ static const struct option lopts[] = {
         {"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}
 };
 
@@ -71,9 +74,13 @@ 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=T  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);
+        printf("Example: %s -t 12 -T -n 7 -N\n", progname);
 }
 
 int main(int argc, char *argv[])
@@ -141,6 +148,30 @@ int main(int argc, char *argv[])
                         else
                                 printf("WDIOC_SETTIMEOUT error '%s'\n", strerror(errno));
                         break;
+                case 'T':
+                        oneshot = 1;
+                        ret = ioctl(fd, WDIOC_GETTIMEOUT, &flags);
+                        if (!ret)
+                                printf("WDIOC_GETTIMEOUT returns %u seconds.\n", flags);
+                        else
+                                printf("WDIOC_GETTIMEOUT error '%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 error '%s'\n", strerror(errno));
+                        break;
+                case 'N':
+                        oneshot = 1;
+                        ret = ioctl(fd, WDIOC_GETPRETIMEOUT, &flags);
+                        if (!ret)
+                                printf("WDIOC_GETPRETIMEOUT returns %u seconds.\n", flags);
+                        else
+                                printf("WDIOC_GETPRETIMEOUT error '%s'\n", strerror(errno));
+                        break;
                 default:
                         usage(argv[0]);
                         goto end;