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/* $NetBSD: t_modautoload.c,v 1.4 2015/12/27 08:21:44 pgoyette 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;
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();
}
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