| 1 | /*
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| 2 | * Copyright (c) 2025 Miroslav Cimerman
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| 3 | * All rights reserved.
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| 4 | *
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| 5 | * Redistribution and use in source and binary forms, with or without
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| 6 | * modification, are permitted provided that the following conditions
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| 7 | * are met:
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| 8 | *
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| 9 | * - Redistributions of source code must retain the above copyright
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| 10 | * notice, this list of conditions and the following disclaimer.
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| 11 | * - Redistributions in binary form must reproduce the above copyright
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| 12 | * notice, this list of conditions and the following disclaimer in the
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| 13 | * documentation and/or other materials provided with the distribution.
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| 14 | * - The name of the author may not be used to endorse or promote products
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| 15 | * derived from this software without specific prior written permission.
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| 16 | *
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 27 | */
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| 28 |
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| 29 | /** @addtogroup hr
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| 30 | * @{
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| 31 | */
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| 32 | /**
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| 33 | * @file
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| 34 | */
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| 35 |
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| 36 | #ifndef _HR_UTIL_H
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| 37 | #define _HR_UTIL_H
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| 38 |
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| 39 | #include <adt/list.h>
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| 40 | #include <errno.h>
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| 41 | #include <hr.h>
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| 42 | #include <io/log.h>
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| 43 |
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| 44 | #include "superblock.h"
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| 45 | #include "var.h"
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| 46 |
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| 47 | #define HR_DEBUG(format, ...) \
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| 48 | log_msg(LOG_DEFAULT, LVL_DEBUG, format, ##__VA_ARGS__)
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| 49 |
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| 50 | #define HR_NOTE(format, ...) \
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| 51 | log_msg(LOG_DEFAULT, LVL_NOTE, format, ##__VA_ARGS__)
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| 52 |
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| 53 | #define HR_WARN(format, ...) \
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| 54 | log_msg(LOG_DEFAULT, LVL_WARN, format, ##__VA_ARGS__)
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| 55 |
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| 56 | #define HR_ERROR(format, ...) \
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| 57 | log_msg(LOG_DEFAULT, LVL_ERROR, format, ##__VA_ARGS__)
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| 58 |
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| 59 | struct dev_list_member {
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| 60 | link_t link;
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| 61 | service_id_t svc_id;
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| 62 | void *md;
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| 63 | bool inited;
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| 64 | bool md_present;
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| 65 | bool fini;
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| 66 | };
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| 67 |
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| 68 | typedef struct hr_range_lock {
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| 69 | link_t link;
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| 70 | fibril_mutex_t lock;
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| 71 | hr_volume_t *vol; /* back-pointer to volume */
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| 72 | uint64_t off; /* start of the range */
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| 73 | uint64_t len; /* length of the range */
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| 74 |
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| 75 | size_t pending; /* prot. by vol->range_lock_list_lock */
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| 76 | bool ignore; /* prot. by vol->range_lock_list_lock */
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| 77 | } hr_range_lock_t;
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| 78 |
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| 79 | extern void *hr_malloc_waitok(size_t)
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| 80 | __attribute__((malloc));
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| 81 |
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| 82 | extern void *hr_calloc_waitok(size_t, size_t)
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| 83 | __attribute__((malloc));
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| 84 |
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| 85 | extern errno_t hr_create_vol_struct(hr_volume_t **, hr_level_t, const char *,
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| 86 | hr_metadata_type_t, uint8_t);
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| 87 | extern void hr_destroy_vol_struct(hr_volume_t *);
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| 88 | extern errno_t hr_get_volume_svcs(size_t *, service_id_t **);
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| 89 | extern hr_volume_t *hr_get_volume(service_id_t);
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| 90 | extern errno_t hr_remove_volume(service_id_t);
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| 91 | extern errno_t hr_init_extents_from_cfg(hr_volume_t *, hr_config_t *);
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| 92 | extern void hr_fini_devs(hr_volume_t *);
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| 93 | extern errno_t hr_register_volume(hr_volume_t *);
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| 94 | extern errno_t hr_check_ba_range(hr_volume_t *, size_t, uint64_t);
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| 95 | extern void hr_add_data_offset(hr_volume_t *, uint64_t *);
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| 96 | extern void hr_sub_data_offset(hr_volume_t *, uint64_t *);
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| 97 | extern void hr_update_ext_state(hr_volume_t *, size_t, hr_ext_state_t);
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| 98 | extern void hr_update_hotspare_state(hr_volume_t *, size_t, hr_ext_state_t);
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| 99 | extern void hr_update_vol_state(hr_volume_t *, hr_vol_state_t);
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| 100 | extern void hr_update_ext_svc_id(hr_volume_t *, size_t, service_id_t);
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| 101 | extern void hr_update_hotspare_svc_id(hr_volume_t *, size_t, service_id_t);
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| 102 | extern void hr_sync_all_extents(hr_volume_t *);
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| 103 | extern size_t hr_count_extents(hr_volume_t *, hr_ext_state_t);
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| 104 | extern void hr_mark_vol_state_dirty(hr_volume_t *);
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| 105 | extern hr_range_lock_t *hr_range_lock_acquire(hr_volume_t *, uint64_t,
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| 106 | uint64_t);
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| 107 | extern void hr_range_lock_release(hr_range_lock_t *);
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| 108 | extern errno_t hr_util_try_assemble(hr_config_t *, size_t *);
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| 109 | extern errno_t hr_util_add_hotspare(hr_volume_t *, service_id_t);
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| 110 | extern void hr_raid5_xor(void *, const void *, size_t);
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| 111 | extern errno_t hr_sync_extents(hr_volume_t *);
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| 112 | extern errno_t hr_init_rebuild(hr_volume_t *, size_t *);
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| 113 | extern uint32_t hr_closest_pow2(uint32_t);
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| 114 |
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| 115 | #endif
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| 116 |
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| 117 | /** @}
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| 118 | */
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