source: mainline/uspace/srv/bd/hr/var.h@ dbd91da

Last change on this file since dbd91da was dbd91da, checked in by Miroslav Cimerman <mc@…>, 11 months ago

hr: remake structures to include extent status

Also rename .devs → .extents in hr_volume_t and when printing status,
display each extent status, and parity disk when array is of type RAID4.

  • Property mode set to 100644
File size: 2.3 KB
RevLine 
[94d84a0]1/*
2 * Copyright (c) 2024 Miroslav Cimerman
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * - Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * - Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * - The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29/** @addtogroup hr
30 * @{
31 */
32/**
33 * @file
34 */
35
36#ifndef _HR_VAR_H
37#define _HR_VAR_H
38
[da5c257]39#include <bd_srv.h>
40#include <errno.h>
41#include <hr.h>
42
[94d84a0]43#define NAME "hr"
44
[b0f1366]45#define HR_STRIP_SIZE DATA_XFER_LIMIT
46
[94d84a0]47typedef struct hr_volume hr_volume_t;
48
49typedef struct hr_ops {
50 errno_t (*create)(hr_volume_t *);
51} hr_ops_t;
52
53typedef struct hr_volume {
54 hr_ops_t hr_ops;
55 bd_srvs_t hr_bds;
56 link_t lvolumes;
[68e357e]57 char devname[32];
[dbd91da]58 hr_extent_t extents[HR_MAXDEVS];
[12cbf25e]59 uint64_t nblocks;
[b0f1366]60 uint64_t data_blkno;
61 uint32_t data_offset;
[9c1cf34c]62 uint32_t strip_size;
[94d84a0]63 service_id_t svc_id;
[b0f1366]64 size_t bsize;
[94d84a0]65 size_t dev_no;
66 hr_level_t level;
67} hr_volume_t;
68
69extern errno_t hr_init_devs(hr_volume_t *);
70extern void hr_fini_devs(hr_volume_t *);
71
[da5c257]72extern errno_t hr_raid0_create(hr_volume_t *);
[94d84a0]73extern errno_t hr_raid1_create(hr_volume_t *);
[4a2a6b8b]74extern errno_t hr_raid4_create(hr_volume_t *);
[94d84a0]75
76#endif
77
78/** @}
79 */
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