| 1 | /*
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| 2 | * Copyright (c) 2015 Jiri Svoboda
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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 libc
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| 30 | * @{
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| 31 | */
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| 32 | /** @file
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| 33 | */
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| 34 |
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| 35 | #ifndef _LIBC_VBD_H_
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| 36 | #define _LIBC_VBD_H_
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| 37 |
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| 38 | #include <async.h>
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| 39 | #include <loc.h>
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| 40 | #include <types/label.h>
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| 41 | #include <offset.h>
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| 42 |
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| 43 | /** VBD service */
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| 44 | typedef struct vbd {
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| 45 | /** VBD session */
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| 46 | async_sess_t *sess;
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| 47 | } vbd_t;
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| 48 |
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| 49 | /** Disk information */
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| 50 | typedef struct {
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| 51 | /** Label type */
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| 52 | label_type_t ltype;
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| 53 | /** Label flags */
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| 54 | label_flags_t flags;
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| 55 | /** First block that can be allocated */
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| 56 | aoff64_t ablock0;
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| 57 | /** Number of blocks that can be allocated */
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| 58 | aoff64_t anblocks;
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| 59 | /** Block size */
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| 60 | size_t block_size;
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| 61 | /** Total number of blocks */
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| 62 | aoff64_t nblocks;
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| 63 | } vbd_disk_info_t;
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| 64 |
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| 65 | /** Specification of new partition */
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| 66 | typedef struct {
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| 67 | /** Partition index */
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| 68 | int index;
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| 69 | /** First block */
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| 70 | aoff64_t block0;
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| 71 | /** Number of blocks */
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| 72 | aoff64_t nblocks;
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| 73 | /** Number of header blocks (EBR for logical partitions) */
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| 74 | aoff64_t hdr_blocks;
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| 75 | /** Partition kind */
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| 76 | label_pkind_t pkind;
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| 77 | /** Partition type */
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| 78 | label_ptype_t ptype;
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| 79 | } vbd_part_spec_t;
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| 80 |
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| 81 | /** Partition info */
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| 82 | typedef struct {
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| 83 | /** Partition index */
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| 84 | int index;
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| 85 | /** Partition kind */
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| 86 | label_pkind_t pkind;
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| 87 | /** First block */
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| 88 | aoff64_t block0;
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| 89 | /** Number of blocks */
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| 90 | aoff64_t nblocks;
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| 91 | /** Service ID */
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| 92 | service_id_t svc_id;
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| 93 | } vbd_part_info_t;
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| 94 |
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| 95 | typedef sysarg_t vbd_part_id_t;
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| 96 |
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| 97 | extern errno_t vbd_create(vbd_t **);
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| 98 | extern void vbd_destroy(vbd_t *);
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| 99 | extern errno_t vbd_get_disks(vbd_t *, service_id_t **, size_t *);
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| 100 | extern errno_t vbd_disk_info(vbd_t *, service_id_t, vbd_disk_info_t *);
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| 101 | extern errno_t vbd_label_create(vbd_t *, service_id_t, label_type_t);
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| 102 | extern errno_t vbd_label_delete(vbd_t *, service_id_t);
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| 103 | extern errno_t vbd_label_get_parts(vbd_t *, service_id_t, service_id_t **,
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| 104 | size_t *);
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| 105 | extern errno_t vbd_part_get_info(vbd_t *, vbd_part_id_t, vbd_part_info_t *);
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| 106 | extern errno_t vbd_part_create(vbd_t *, service_id_t, vbd_part_spec_t *,
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| 107 | vbd_part_id_t *);
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| 108 | extern errno_t vbd_part_delete(vbd_t *, vbd_part_id_t);
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| 109 | extern void vbd_pspec_init(vbd_part_spec_t *);
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| 110 | extern errno_t vbd_suggest_ptype(vbd_t *, service_id_t, label_pcnt_t,
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| 111 | label_ptype_t *);
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| 112 |
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| 113 | #endif
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| 114 |
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| 115 | /** @}
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| 116 | */
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