tests for builtin modules
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4328a42a43
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# $NetBSD: Makefile,v 1.7 2010/08/21 13:57:41 pgoyette Exp $
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# $NetBSD: Makefile,v 1.8 2010/08/27 09:56:40 pooka Exp $
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.include <bsd.own.mk>
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@ -10,7 +10,9 @@ TESTSDIR= ${TESTSBASE}/modules
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# will confuse atf-run. Therefore we must install, at the very least, the
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# Atffile into it.
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TESTS_C= t_modctl
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TESTS_C+= t_builtin
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LDADD= -lprop
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LDADD+= -lrumpfs_kernfs -lrumpvfs -lrump -lrumpuser -lpthread
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TESTS_SH= t_modload
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@ -0,0 +1,192 @@
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/* $NetBSD: t_builtin.c,v 1.1 2010/08/27 09:56:40 pooka Exp $ */
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/*-
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* Copyright (c) 2010 The NetBSD Foundation, Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND
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* CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
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* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
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* IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
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* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/types.h>
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#include <sys/module.h>
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#include <sys/mount.h>
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#include <atf-c.h>
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#include <fcntl.h>
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#include <stdbool.h>
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#include <miscfs/kernfs/kernfs.h>
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#include <rump/rump.h>
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#include <rump/rump_syscalls.h>
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#include "../h_macros.h"
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#define MYMP "/mnt"
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#define HZFILE MYMP "/hz"
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static bool
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check_kernfs(void)
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{
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char buf[16];
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bool rv = true;
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int fd;
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fd = rump_sys_open(HZFILE, O_RDONLY);
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if (fd == -1)
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return false;
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if (rump_sys_read(fd, buf, sizeof(buf)) < 1)
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rv = false;
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RL(rump_sys_close(fd));
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return rv;
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}
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ATF_TC(disable);
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ATF_TC_HEAD(disable, tc)
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{
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atf_tc_set_md_var(tc, "descr", "Tests that builtin modules can "
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"be disabled");
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}
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ATF_TC_BODY(disable, tc)
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{
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rump_init();
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RL(rump_sys_mkdir(MYMP, 0777));
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RL(rump_sys_mount(MOUNT_KERNFS, MYMP, 0, NULL, 0));
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ATF_REQUIRE(check_kernfs());
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RL(rump_sys_unmount(MYMP, 0));
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RL(rump_sys_modctl(MODCTL_UNLOAD, "kernfs"));
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}
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ATF_TC(noauto);
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ATF_TC_HEAD(noauto, tc)
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{
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atf_tc_set_md_var(tc, "descr", "Tests that disabled builtin modules "
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"will not autoload");
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}
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ATF_TC_BODY(noauto, tc)
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{
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rump_init();
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RL(rump_sys_mkdir(MYMP, 0777));
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RL(rump_sys_modctl(MODCTL_UNLOAD, "kernfs"));
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ATF_REQUIRE_ERRNO(ENODEV,
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rump_sys_mount(MOUNT_KERNFS, MYMP, 0, NULL, 0) == -1);
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}
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ATF_TC(forcereload);
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ATF_TC_HEAD(forcereload, tc)
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{
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atf_tc_set_md_var(tc, "descr", "Tests that disabled builtin modules "
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"can be force-reloaded");
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}
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ATF_TC_BODY(forcereload, tc)
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{
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struct modctl_load mod;
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rump_init();
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RL(rump_sys_mkdir(MYMP, 0777));
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RL(rump_sys_modctl(MODCTL_UNLOAD, "kernfs"));
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ATF_REQUIRE_ERRNO(ENODEV,
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rump_sys_mount(MOUNT_KERNFS, MYMP, 0, NULL, 0) == -1);
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memset(&mod, 0, sizeof(mod));
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mod.ml_filename = "kernfs";
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mod.ml_flags = MODCTL_LOAD_FORCE;
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RL(rump_sys_modctl(MODCTL_LOAD, &mod));
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RL(rump_sys_mount(MOUNT_KERNFS, MYMP, 0, NULL, 0));
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ATF_REQUIRE(check_kernfs());
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RL(rump_sys_unmount(MYMP, 0));
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}
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ATF_TC(disabledstat);
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ATF_TC_HEAD(disabledstat, tc)
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{
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atf_tc_set_md_var(tc, "descr", "Tests that disabled builtin modules "
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"show up in modstat with refcount -1");
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}
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ATF_TC_BODY(disabledstat, tc)
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{
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struct modstat ms[128];
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struct iovec iov;
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int i;
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bool found = false;
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rump_init();
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RL(rump_sys_mkdir(MYMP, 0777));
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RL(rump_sys_modctl(MODCTL_UNLOAD, "kernfs"));
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iov.iov_base = ms;
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iov.iov_len = sizeof(ms);
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RL(rump_sys_modctl(MODCTL_STAT, &iov));
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for (i = 0; i < __arraycount(ms); i++) {
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if (strcmp(ms[i].ms_name, "kernfs") == 0) {
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ATF_REQUIRE_EQ(ms[i].ms_refcnt, -1);
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found = 1;
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break;
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}
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}
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ATF_REQUIRE(found);
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}
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ATF_TC(busydisable);
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ATF_TC_HEAD(busydisable, tc)
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{
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atf_tc_set_md_var(tc, "descr", "Tests that busy builtin modules "
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"cannot be disabled");
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}
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ATF_TC_BODY(busydisable, tc)
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{
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rump_init();
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RL(rump_sys_mkdir(MYMP, 0777));
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RL(rump_sys_mount(MOUNT_KERNFS, MYMP, 0, NULL, 0));
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ATF_REQUIRE(check_kernfs());
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ATF_REQUIRE_ERRNO(EBUSY,
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rump_sys_modctl(MODCTL_UNLOAD, "kernfs") == -1);
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}
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ATF_TP_ADD_TCS(tp)
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{
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ATF_TP_ADD_TC(tp, disable);
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ATF_TP_ADD_TC(tp, noauto);
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ATF_TP_ADD_TC(tp, forcereload);
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ATF_TP_ADD_TC(tp, disabledstat);
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ATF_TP_ADD_TC(tp, busydisable);
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return atf_no_error();
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}
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