From 8ac6c7a54ed1b98d142dce24b11c6de6a1e239a5 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 22 Oct 2024 10:36:11 +0000
Subject: [PATCH] 修改4g拨号为QMI,需要在系统里后台执行quectel-CM
---
kernel/tools/testing/selftests/watchdog/watchdog-test.c | 114 +++++++++++++++++++++++++++++++++++++++++++++++++++------
1 files changed, 102 insertions(+), 12 deletions(-)
diff --git a/kernel/tools/testing/selftests/watchdog/watchdog-test.c b/kernel/tools/testing/selftests/watchdog/watchdog-test.c
index f1c6e02..f45e510 100644
--- a/kernel/tools/testing/selftests/watchdog/watchdog-test.c
+++ b/kernel/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:NLf:i";
static const struct option lopts[] = {
{"bootstatus", no_argument, NULL, 'b'},
{"disable", no_argument, NULL, 'd'},
@@ -27,6 +27,12 @@
{"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'},
+ {"gettimeleft", no_argument, NULL, 'L'},
+ {"file", required_argument, NULL, 'f'},
+ {"info", no_argument, NULL, 'i'},
{NULL, no_argument, NULL, 0x0}
};
@@ -65,15 +71,24 @@
static void usage(char *progname)
{
printf("Usage: %s [options]\n", progname);
- printf(" -b, --bootstatus Get last boot status (Watchdog/POR)\n");
- printf(" -d, --disable Turn off the watchdog timer\n");
- printf(" -e, --enable Turn on the watchdog timer\n");
- 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(" -f, --file\t\tOpen watchdog device file\n");
+ printf("\t\t\tDefault is /dev/watchdog\n");
+ printf(" -i, --info\t\tShow watchdog_info\n");
+ printf(" -b, --bootstatus\tGet last boot status (Watchdog/POR)\n");
+ printf(" -d, --disable\t\tTurn off the watchdog timer\n");
+ printf(" -e, --enable\t\tTurn on the watchdog timer\n");
+ printf(" -h, --help\t\tPrint the help message\n");
+ printf(" -p, --pingrate=P\tSet ping rate to P seconds (default %d)\n",
+ DEFAULT_PING_RATE);
+ printf(" -t, --timeout=T\tSet timeout to T seconds\n");
+ printf(" -T, --gettimeout\tGet the timeout\n");
+ printf(" -n, --pretimeout=T\tSet the pretimeout to T seconds\n");
+ printf(" -N, --getpretimeout\tGet the pretimeout\n");
+ printf(" -L, --gettimeleft\tGet the time left until timer expires\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[])
@@ -83,14 +98,21 @@
int ret;
int c;
int oneshot = 0;
+ char *file = "/dev/watchdog";
+ struct watchdog_info info;
setbuf(stdout, NULL);
- fd = open("/dev/watchdog", O_WRONLY);
+ while ((c = getopt_long(argc, argv, sopts, lopts, NULL)) != -1) {
+ if (c == 'f')
+ file = optarg;
+ }
+
+ fd = open(file, O_WRONLY);
if (fd == -1) {
if (errno == ENOENT)
- printf("Watchdog device not enabled.\n");
+ printf("Watchdog device (%s) not found.\n", file);
else if (errno == EACCES)
printf("Run watchdog as root.\n");
else
@@ -98,6 +120,18 @@
strerror(errno));
exit(-1);
}
+
+ /*
+ * Validate that `file` is a watchdog device
+ */
+ ret = ioctl(fd, WDIOC_GETSUPPORT, &info);
+ if (ret) {
+ printf("WDIOC_GETSUPPORT error '%s'\n", strerror(errno));
+ close(fd);
+ exit(ret);
+ }
+
+ optind = 0;
while ((c = getopt_long(argc, argv, sopts, lopts, NULL)) != -1) {
switch (c) {
@@ -116,16 +150,20 @@
ret = ioctl(fd, WDIOC_SETOPTIONS, &flags);
if (!ret)
printf("Watchdog card disabled.\n");
- else
+ else {
printf("WDIOS_DISABLECARD error '%s'\n", strerror(errno));
+ oneshot = 1;
+ }
break;
case 'e':
flags = WDIOS_ENABLECARD;
ret = ioctl(fd, WDIOC_SETOPTIONS, &flags);
if (!ret)
printf("Watchdog card enabled.\n");
- else
+ else {
printf("WDIOS_ENABLECARD error '%s'\n", strerror(errno));
+ oneshot = 1;
+ }
break;
case 'p':
ping_rate = strtoul(optarg, NULL, 0);
@@ -138,9 +176,61 @@
ret = ioctl(fd, WDIOC_SETTIMEOUT, &flags);
if (!ret)
printf("Watchdog timeout set to %u seconds.\n", flags);
- else
+ else {
printf("WDIOC_SETTIMEOUT error '%s'\n", strerror(errno));
+ oneshot = 1;
+ }
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));
+ oneshot = 1;
+ }
+ 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;
+ 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;
+ case 'f':
+ /* Handled above */
+ break;
+ case 'i':
+ /*
+ * watchdog_info was obtained as part of file open
+ * validation. So we just show it here.
+ */
+ oneshot = 1;
+ printf("watchdog_info:\n");
+ printf(" identity:\t\t%s\n", info.identity);
+ printf(" firmware_version:\t%u\n",
+ info.firmware_version);
+ printf(" options:\t\t%08x\n", info.options);
+ break;
+
default:
usage(argv[0]);
goto end;
--
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