xref: /dragonfly/sbin/hammer2/hammer2_subs.h (revision ed183f8c)
1 /*
2  * Copyright (c) 2019 The DragonFly Project.  All rights reserved.
3  *
4  * This code is derived from software contributed to The DragonFly Project
5  * by Matthew Dillon <dillon@dragonflybsd.org>
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  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. 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  * 3. Neither the name of The DragonFly Project 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
24  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE
25  * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
26  * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING,
27  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
28  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
29  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
30  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
31  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32  * SUCH DAMAGE.
33  */
34 
35 #ifndef HAMMER2_HAMMER2_SUBS_H_
36 #define HAMMER2_HAMMER2_SUBS_H_
37 
38 #include <sys/types.h>
39 #include <uuid.h>
40 
41 #include <vfs/hammer2/hammer2_disk.h>
42 
43 /*
44  * Misc functions
45  */
46 int hammer2_ioctl_handle(const char *sel_path);
47 const char *hammer2_time64_to_str(uint64_t htime64, char **strp);
48 const char *hammer2_uuid_to_str(uuid_t *uuid, char **strp);
49 const char *hammer2_iptype_to_str(uint8_t type);
50 const char *hammer2_pfstype_to_str(uint8_t type);
51 const char *hammer2_breftype_to_str(uint8_t type);
52 const char *sizetostr(hammer2_off_t size);
53 const char *counttostr(hammer2_off_t size);
54 hammer2_key_t dirhash(const unsigned char *name, size_t len);
55 
56 #define hammer2_icrc32(buf, size)	iscsi_crc32((buf), (size))
57 #define hammer2_icrc32c(buf, size, crc)	iscsi_crc32_ext((buf), (size), (crc))
58 uint32_t iscsi_crc32(const void *buf, size_t size);
59 uint32_t iscsi_crc32_ext(const void *buf, size_t size, uint32_t ocrc);
60 
61 #endif /* !HAMMER2_HAMMER2_SUBS_H_ */
62