1 /*
2 * Copyright (c) Crackerjack Project., 2007
3 * Copyright (c) 2011-2017 Cyril Hrubis <chrubis@suse.cz>
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
13 * the GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
18 */
19
20 /* Porting from Crackerjack to LTP is done
21 by Masatake YAMATO <yamato@redhat.com> */
22
23 #include <errno.h>
24 #include <string.h>
25 #include <fcntl.h>
26
27 #include "config.h"
28 #include "tst_test.h"
29
30 #ifdef HAVE_LIBAIO
31 #include <libaio.h>
32
33 static io_context_t ctx;
34 static io_context_t invalid_ctx;
35
36 static struct iocb iocb;
37 static struct iocb *iocbs[] = {&iocb};
38
39 static struct iocb inv_fd_iocb;
40 static struct iocb *inv_fd_iocbs[] = {&inv_fd_iocb};
41
42 static int rdonly_fd;
43 static struct iocb rdonly_fd_iocb;
44 static struct iocb *rdonly_fd_iocbs[] = {&rdonly_fd_iocb};
45
46 static int wronly_fd;
47 static struct iocb wronly_fd_iocb;
48 static struct iocb *wronly_fd_iocbs[] = {&wronly_fd_iocb};
49
50 static struct iocb zero_buf_iocb;
51 static struct iocb *zero_buf_iocbs[] = {&zero_buf_iocb};
52
53 static struct iocb *zero_iocbs[1];
54
55 static char buf[100];
56
57 static struct tcase {
58 io_context_t *ctx;
59 long nr;
60 struct iocb **iocbs;
61 int exp_errno;
62 const char *desc;
63 } tcases[] = {
64 /* Invalid ctx */
65 {&invalid_ctx, 1, iocbs, -EINVAL, "invalid ctx"},
66 /* Invalid nr */
67 {&ctx, -1, iocbs, -EINVAL, "invalid nr"},
68 /* Invalid pointer */
69 {&ctx, 1, (void*)-1, -EFAULT, "invalid iocbpp pointer"},
70 {&ctx, 1, zero_iocbs, -EFAULT, "NULL iocb pointers"},
71 /* Invalid fd */
72 {&ctx, 1, inv_fd_iocbs, -EBADF, "invalid fd"},
73 {&ctx, 1, rdonly_fd_iocbs, -EBADF, "readonly fd for write"},
74 {&ctx, 1, wronly_fd_iocbs, -EBADF, "writeonly fd for read"},
75 /* No-op but should work fine */
76 {&ctx, 1, zero_buf_iocbs, 1, "zero buf size"},
77 {&ctx, 0, NULL, 0, "zero nr"},
78 };
79
setup(void)80 static void setup(void)
81 {
82 int rval;
83
84 rval = io_setup(1, &ctx);
85 if (rval)
86 tst_brk(TBROK | TERRNO, "io_setup() returned %d", rval);
87
88 io_prep_pread(&inv_fd_iocb, -1, buf, sizeof(buf), 0);
89
90 rdonly_fd = SAFE_OPEN("rdonly_file", O_RDONLY | O_CREAT, 0777);
91 io_prep_pwrite(&rdonly_fd_iocb, rdonly_fd, buf, sizeof(buf), 0);
92
93 io_prep_pread(&zero_buf_iocb, rdonly_fd, buf, 0, 0);
94
95 wronly_fd = SAFE_OPEN("wronly_file", O_WRONLY | O_CREAT, 0777);
96 io_prep_pread(&wronly_fd_iocb, wronly_fd, buf, sizeof(buf), 0);
97 }
98
cleanup(void)99 static void cleanup(void)
100 {
101 if (rdonly_fd > 0)
102 SAFE_CLOSE(rdonly_fd);
103
104 if (wronly_fd > 0)
105 SAFE_CLOSE(wronly_fd);
106 }
107
errno_name(int err)108 static const char *errno_name(int err)
109 {
110 if (err <= 0)
111 return tst_strerrno(-err);
112
113 return "SUCCESS";
114 }
115
verify_io_submit(unsigned int n)116 static void verify_io_submit(unsigned int n)
117 {
118 struct tcase *t = &tcases[n];
119 int ret;
120
121 ret = io_submit(*t->ctx, t->nr, t->iocbs);
122
123 if (ret == t->exp_errno) {
124 tst_res(TPASS, "io_submit() with %s failed with %s",
125 t->desc, errno_name(t->exp_errno));
126 return;
127 }
128
129 tst_res(TFAIL, "io_submit() returned %i(%s), expected %s(%i)",
130 ret, ret < 0 ? tst_strerrno(-ret) : "SUCCESS",
131 errno_name(t->exp_errno), t->exp_errno);
132 }
133
134 static struct tst_test test = {
135 .setup = setup,
136 .cleanup = cleanup,
137 .test = verify_io_submit,
138 .tcnt = ARRAY_SIZE(tcases),
139 .needs_tmpdir = 1,
140 };
141
142 #else
143 TST_TEST_TCONF("test requires libaio and it's development packages");
144 #endif
145