nvml-sys 0.0.6

A low-level FFI wrapper around the Persistent Memory Development Kit, PMDK (formerly NVML) and its libraries, including libpmem, libpmemobj and others. Currently tracks master after version 1.3.1.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121

/*
 * Copyright 2015-2017, Intel Corporation
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in
 *       the documentation and/or other materials provided with the
 *       distribution.
 *
 *     * Neither the name of the copyright holder nor the names of its
 *       contributors may be used to endorse or promote products derived
 *       from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

/*
 * arch_flags.c -- unit test for architecture flags
 */
#include <inttypes.h>
#include <string.h>

#include "unittest.h"
#include "pool_hdr.h"
#include "pmemcommon.h"

#define FATAL_USAGE()\
UT_FATAL(\
	"usage: arch_flags <machine>:<machine_class>:<data>:<alignment_desc>:<reserved>")
#define ARCH_FLAGS_LOG_PREFIX "arch_flags"
#define ARCH_FLAGS_LOG_LEVEL_VAR "ARCH_FLAGS_LOG_LEVEL"
#define ARCH_FLAGS_LOG_FILE_VAR "ARCH_FLAGS_LOG_FILE"
#define ARCH_FLAGS_LOG_MAJOR 0
#define ARCH_FLAGS_LOG_MINOR 0

/*
 * read_arch_flags -- read arch flags from file
 */
static int
read_arch_flags(char *opts, struct arch_flags *arch_flags)
{
	uint64_t alignment_desc;
	uint64_t reserved;
	uint16_t machine;
	uint8_t machine_class;
	uint8_t data;

	if (sscanf(opts, "%" SCNu16 ":%" SCNu8 ":%" SCNu8
			":0x%" SCNx64 ":0x%" SCNx64,
			&machine, &machine_class, &data,
			&alignment_desc, &reserved) != 5)
		return -1;

	util_get_arch_flags(arch_flags);

	if (machine)
		arch_flags->machine = machine;

	if (machine_class)
		arch_flags->machine_class = machine_class;

	if (data)
		arch_flags->data = data;

	if (alignment_desc)
		arch_flags->alignment_desc = alignment_desc;

	if (reserved)
		memcpy(arch_flags->reserved,
				&reserved, sizeof(arch_flags->reserved));

	return 0;
}

int
main(int argc, char *argv[])
{
	START(argc, argv, "arch_flags");

	common_init(ARCH_FLAGS_LOG_PREFIX,
		ARCH_FLAGS_LOG_LEVEL_VAR,
		ARCH_FLAGS_LOG_FILE_VAR,
		ARCH_FLAGS_LOG_MAJOR,
		ARCH_FLAGS_LOG_MINOR);

	if (argc < 2)
		FATAL_USAGE();

	int i;
	for (i = 1; i < argc; i++) {
		int ret;
		struct arch_flags arch_flags;

		if ((ret = read_arch_flags(argv[i], &arch_flags)) < 0)
			FATAL_USAGE();
		else if (ret == 0) {
			ret = util_check_arch_flags(&arch_flags);
			UT_OUT("check: %d", ret);
		}
	}

	common_fini();

	DONE(NULL);
}