1 /*
2 * Copyright (c) Wipro Technologies Ltd, 2002. All Rights Reserved.
3 *
4 * This program is free software; you can redistribute it and/or modify it
5 * under the terms of version 2 of the GNU General Public License as
6 * published by the Free Software Foundation.
7 *
8 * This program is distributed in the hope that it would be useful, but
9 * WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
11 *
12 * You should have received a copy of the GNU General Public License along
13 * with this program; if not, write the Free Software Foundation, Inc.,
14 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
15 *
16 */
17 /**********************************************************
18 *
19 * TEST IDENTIFIER : ioperm01
20 *
21 * EXECUTED BY : superuser
22 *
23 * TEST TITLE : Basic test for ioperm(2)
24 *
25 * TEST CASE TOTAL : 1
26 *
27 * AUTHOR : Subhab Biswas <subhabrata.biswas@wipro.com>
28 *
29 * SIGNALS
30 * Uses SIGUSR1 to pause before test if option set.
31 * (See the parse_opts(3) man page).
32 *
33 * DESCRIPTION
34 * This is a Phase I test for the ioperm(2) system call.
35 * It is intended to provide a limited exposure of the system call.
36 *
37 * Setup:
38 * Setup signal handling.
39 * Test caller is superuser
40 * Pause for SIGUSR1 if option specified.
41 *
42 * Test:
43 * Loop if the proper options are given.
44 * Execute system call
45 * Check return code, if system call failed (return=-1)
46 * Issue FAIL message with errno.
47 * Otherwise, Issue PASS message.
48 *
49 * Cleanup:
50 * Print errno log and/or timing stats if options given
51 *
52 * USAGE: <for command-line>
53 * ioperm01 [-c n] [-e] [-i n] [-I x] [-P x] [-t] [-h] [-f] [-p]
54 * where, -c n : Run n copies concurrently.
55 * -e : Turn on errno logging.
56 * -h : Show help screen
57 * -f : Turn off functional testing
58 * -i n : Execute test n times.
59 * -I x : Execute test for x seconds.
60 * -p : Pause for SIGUSR1 before starting
61 * -P x : Pause for x seconds between iterations.
62 * -t : Turn on syscall timing.
63 *
64 ****************************************************************/
65
66 char *TCID = "ioperm01";
67
68 #if defined __i386__ || defined(__x86_64__)
69
70 #include <errno.h>
71 #include <unistd.h>
72 #include <sys/io.h>
73
74 #include "test.h"
75
76 unsigned long io_addr; /*kernel version dependant io start address */
77 #define NUM_BYTES 3 /* number of bytes from start address */
78 #define TURN_ON 1
79 #define TURN_OFF 0
80 #ifndef IO_BITMAP_BITS
81 #define IO_BITMAP_BITS 1024
82 #endif
83
84 static void setup();
85 static void cleanup();
86
87 int TST_TOTAL = 1;
88
main(int ac,char ** av)89 int main(int ac, char **av)
90 {
91
92 int lc;
93
94 tst_parse_opts(ac, av, NULL, NULL);
95
96 setup();
97
98 for (lc = 0; TEST_LOOPING(lc); lc++) {
99
100 tst_count = 0;
101
102 /*
103 * Test the system call.
104 */
105 TEST(ioperm(io_addr, NUM_BYTES, TURN_ON));
106
107 if (TEST_RETURN == -1) {
108 tst_resm(TFAIL, "ioperm() failed for port address "
109 "%lu, errno=%d : %s", io_addr,
110 TEST_ERRNO, strerror(TEST_ERRNO));
111 } else {
112 tst_resm(TPASS, "ioperm() passed for port "
113 "address %lu, returned %lu",
114 io_addr, TEST_RETURN);
115 }
116 }
117
118 /* cleanup and exit */
119 cleanup();
120 tst_exit();
121
122 }
123
124 /* setup() - performs all ONE TIME setup for this test */
setup(void)125 void setup(void)
126 {
127 tst_require_root();
128
129 tst_sig(NOFORK, DEF_HANDLER, cleanup);
130
131 /*
132 * The value of IO_BITMAP_BITS (include/asm-i386/processor.h) changed
133 * from kernel 2.6.8 to permit 16-bits ioperm
134 *
135 * Ricky Ng-Adam, rngadam@yahoo.com
136 * */
137 if (tst_kvercmp(2, 6, 8) < 0) {
138 /*get ioperm on 1021, 1022, 1023 */
139 io_addr = IO_BITMAP_BITS - NUM_BYTES;
140 } else {
141 /*get ioperm on 65533, 65534, 65535 */
142 io_addr = IO_BITMAP_BITS - NUM_BYTES;
143 }
144
145 TEST_PAUSE;
146
147 }
148
149 /*
150 *cleanup() - performs all ONE TIME cleanup for this test at
151 * completion or premature exit.
152 */
cleanup(void)153 void cleanup(void)
154 {
155
156 /*
157 * Reset I/O privileges for the specified port.
158 */
159 if ((ioperm(io_addr, NUM_BYTES, TURN_OFF)) == -1) {
160 tst_brkm(TBROK, NULL, "ioperm() cleanup failed");
161 }
162
163 }
164
165 #else /* __i386__ */
166
167 #include "test.h"
168
169 int TST_TOTAL = 0;
170
main(void)171 int main(void)
172 {
173 tst_resm(TPASS,
174 "LSB v1.3 does not specify ioperm() for this architecture.");
175 tst_exit();
176 }
177
178 #endif /* __i386__ */
179