1 files changed, 88 insertions, 0 deletions
diff --git a/contrib/netbsd-tests/rump/modautoload/t_modautoload.c b/contrib/netbsd-tests/rump/modautoload/t_modautoload.c
new file mode 100644
index 000000000000..b45dae540993
--- /dev/null
+++ b/contrib/netbsd-tests/rump/modautoload/t_modautoload.c
@@ -0,0 +1,88 @@
+/*	$NetBSD: t_modautoload.c,v 1.6 2017/01/13 21:30:42 christos Exp $	*/
+
+#include <sys/types.h>
+#include <sys/mount.h>
+#include <sys/module.h>
+#include <sys/dirent.h>
+#include <sys/sysctl.h>
+
+#include <atf-c.h>
+#include <err.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <string.h>
+#include <stdlib.h>
+
+#include <rump/rump.h>
+#include <rump/rump_syscalls.h>
+
+#include <miscfs/kernfs/kernfs.h>
+
+#include "h_macros.h"
+
+ATF_TC(modautoload);
+ATF_TC_HEAD(modautoload, tc)
+{
+
+	atf_tc_set_md_var(tc, "descr", "tests that kernel module "
+	    "autoload works in rump");
+}
+
+static void
+mountkernfs(void)
+{
+	bool old_autoload, new_autoload;
+	size_t old_len, new_len;
+	int error;
+
+	if (!rump_nativeabi_p())
+		atf_tc_skip("host kernel modules not supported");
+
+	rump_init();
+
+	if (rump_sys_mkdir("/kern", 0777) == -1)
+		atf_tc_fail_errno("mkdir /kern");
+
+	new_autoload = true;
+	old_len = sizeof(old_autoload);
+	new_len = sizeof(new_autoload);
+	error = sysctlbyname("kern.module.autoload",
+				  &old_autoload, &old_len,
+				  &new_autoload, new_len);
+	if (error != 0)
+		atf_tc_fail_errno("could not enable module autoload");
+
+	if (rump_sys_mount(MOUNT_KERNFS, "/kern", 0, NULL, 0) == -1)
+		atf_tc_fail_errno("could not mount kernfs");
+}
+
+/*
+ * Why use kernfs here?  It talks to plenty of other parts with the
+ * kernel (e.g. vfs_attach() in modcmd), but is still easy to verify
+ * it's working correctly.
+ */
+
+#define MAGICNUM 1323
+ATF_TC_BODY(modautoload, tc)
+{
+	extern int rumpns_hz;
+	char buf[64];
+	int fd;
+
+	mountkernfs();
+	rumpns_hz = MAGICNUM;
+	if ((fd = rump_sys_open("/kern/hz", O_RDONLY)) == -1)
+		atf_tc_fail_errno("open /kern/hz");
+	if (rump_sys_read(fd, buf, sizeof(buf)) <= 0)
+		atf_tc_fail_errno("read");
+	ATF_REQUIRE(atoi(buf) == MAGICNUM);
+}
+
+ATF_TP_ADD_TCS(tp)
+{
+	ATF_TP_ADD_TC(tp, modautoload);
+
+	return atf_no_error();
+}