xref: /dpdk/app/test/test_power.c (revision cf435a07)
1 /*-
2  *   BSD LICENSE
3  *
4  *   Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
5  *   All rights reserved.
6  *
7  *   Redistribution and use in source and binary forms, with or without
8  *   modification, are permitted provided that the following conditions
9  *   are met:
10  *
11  *     * Redistributions of source code must retain the above copyright
12  *       notice, this list of conditions and the following disclaimer.
13  *     * Redistributions in binary form must reproduce the above copyright
14  *       notice, this list of conditions and the following disclaimer in
15  *       the documentation and/or other materials provided with the
16  *       distribution.
17  *     * Neither the name of Intel Corporation nor the names of its
18  *       contributors may be used to endorse or promote products derived
19  *       from this software without specific prior written permission.
20  *
21  *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
22  *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
23  *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
24  *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
25  *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
26  *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
27  *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
28  *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
29  *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30  *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
31  *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32  */
33 
34 #include <stdio.h>
35 #include <stdint.h>
36 #include <unistd.h>
37 #include <limits.h>
38 #include <string.h>
39 
40 #include "test.h"
41 
42 #include <rte_power.h>
43 
44 static int
45 test_power(void)
46 {
47 	int ret = -1;
48 	enum power_management_env env;
49 
50 	/* Test setting an invalid environment */
51 	ret = rte_power_set_env(PM_ENV_NOT_SET);
52 	if (ret == 0) {
53 		printf("Unexpectedly succeeded on setting an invalid environment\n");
54 		return -1;
55 	}
56 
57 	/* Test that the environment has not been set */
58 	env = rte_power_get_env();
59 	if (env != PM_ENV_NOT_SET) {
60 		printf("Unexpectedly got a valid environment configuration\n");
61 		return -1;
62 	}
63 
64 	/* verify that function pointers are NULL */
65 	if (rte_power_freqs != NULL) {
66 		printf("rte_power_freqs should be NULL, environment has not been "
67 				"initialised\n");
68 		goto fail_all;
69 	}
70 	if (rte_power_get_freq != NULL) {
71 		printf("rte_power_get_freq should be NULL, environment has not been "
72 				"initialised\n");
73 		goto fail_all;
74 	}
75 	if (rte_power_set_freq != NULL) {
76 		printf("rte_power_set_freq should be NULL, environment has not been "
77 				"initialised\n");
78 		goto fail_all;
79 	}
80 	if (rte_power_freq_up != NULL) {
81 		printf("rte_power_freq_up should be NULL, environment has not been "
82 				"initialised\n");
83 		goto fail_all;
84 	}
85 	if (rte_power_freq_down != NULL) {
86 		printf("rte_power_freq_down should be NULL, environment has not been "
87 				"initialised\n");
88 		goto fail_all;
89 	}
90 	if (rte_power_freq_max != NULL) {
91 		printf("rte_power_freq_max should be NULL, environment has not been "
92 				"initialised\n");
93 		goto fail_all;
94 	}
95 	if (rte_power_freq_min != NULL) {
96 		printf("rte_power_freq_min should be NULL, environment has not been "
97 				"initialised\n");
98 		goto fail_all;
99 	}
100 	rte_power_unset_env();
101 	return 0;
102 fail_all:
103 	rte_power_unset_env();
104 	return -1;
105 }
106 
107 REGISTER_TEST_COMMAND(power_autotest, test_power);
108