1/*	$NetBSD: fstest_zfs.c,v 1.1 2012/08/20 16:37:35 pooka Exp $	*/
2
3/*-
4 * Copyright (c) 2010, 2011  The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Nicolas Joly.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 *    notice, this list of conditions and the following disclaimer in the
17 *    documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31
32#include <sys/mount.h>
33#include <sys/stat.h>
34
35#include <atf-c.h>
36#include <stdio.h>
37#include <stdlib.h>
38#include <string.h>
39#include <unistd.h>
40
41#include <rump/rump.h>
42#include <rump/rump_syscalls.h>
43
44#include "h_fsmacros.h"
45
46#define SRVPATH "zfssurvo"
47#define SRVURL "unix://" SRVPATH
48#define ZFSDEV "/zfsdev"
49
50int
51zfs_fstest_newfs(const atf_tc_t *tc, void **buf, const char *image,
52	off_t size, void *fspriv)
53{
54	int res;
55	int fd;
56
57	/* XXX: hardcoded zfs minimum size */
58	size = MAX(64*1024*1024, size);
59
60	res = rump_init();
61	if (res != 0) {
62		errno = res;
63		return -1;
64	}
65
66	/* create backing image, sparse file is enough */
67	if ((fd = open(image, O_RDWR | O_CREAT, 0777)) == -1)
68		return -1;
69	if (ftruncate(fd, size) == -1) {
70		close(fd);
71		return -1;
72	}
73	close(fd);
74
75	res = rump_pub_etfs_register(ZFSDEV, image, RUMP_ETFS_BLK);
76	if (res != 0) {
77		errno = res;
78		return -1;
79	}
80
81	res = rump_init_server(SRVURL);
82	if (res != 0) {
83		errno = res;
84		return -1;
85	}
86	*buf = NULL;
87
88	return 0;
89}
90
91int
92zfs_fstest_delfs(const atf_tc_t *tc, void *buf)
93{
94
95	unlink(SRVPATH);
96	return 0;
97}
98
99int
100zfs_fstest_mount(const atf_tc_t *tc, void *buf, const char *path, int flags)
101{
102	char tmpbuf[128];
103	int error;
104
105	/* set up the hijack env for running zpool */
106	setenv("RUMP_SERVER", SRVURL, 1);
107	snprintf(tmpbuf, sizeof(tmpbuf)-1, "blanket=/dev/zfs:%s:%s",
108	    ZFSDEV, path);
109	setenv("RUMPHIJACK", tmpbuf, 1);
110	setenv("LD_PRELOAD", "/usr/lib/librumphijack.so", 1);
111
112	while (*path == '/')
113		path++;
114
115	/* run zpool create */
116	snprintf(tmpbuf, sizeof(tmpbuf)-1, "zpool create %s %s",
117	    path, ZFSDEV);
118	if ((error = system(tmpbuf)) != 0) {
119		errno = error;
120		return -1;
121	}
122
123	return 0;
124}
125
126int
127zfs_fstest_unmount(const atf_tc_t *tc, const char *path, int flags)
128{
129
130	unmount(path, flags);
131	unlink(SRVPATH);
132
133	return 0;
134}
135