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
122
123
124
|
/*-
* BSD LICENSE
*
* Copyright (c) Intel Corporation.
* All rights reserved.
*
* 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 Intel Corporation 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.
*/
#ifndef SPDK_INTERNAL_LVOLSTORE_H
#define SPDK_INTERNAL_LVOLSTORE_H
#include "spdk/blob.h"
#include "spdk/lvol.h"
#include "spdk/uuid.h"
#include "spdk/bdev_module.h"
/* Default size of blobstore cluster */
#define SPDK_LVS_OPTS_CLUSTER_SZ (4 * 1024 * 1024)
struct spdk_lvs_req {
spdk_lvs_op_complete cb_fn;
void *cb_arg;
struct spdk_lvol_store *lvol_store;
int lvserrno;
};
struct spdk_lvol_req {
spdk_lvol_op_complete cb_fn;
void *cb_arg;
struct spdk_lvol *lvol;
size_t sz;
struct spdk_io_channel *channel;
char name[SPDK_LVOL_NAME_MAX];
};
struct spdk_lvs_with_handle_req {
spdk_lvs_op_with_handle_complete cb_fn;
void *cb_arg;
struct spdk_lvol_store *lvol_store;
struct spdk_bs_dev *bs_dev;
struct spdk_bdev *base_bdev;
int lvserrno;
};
struct spdk_lvs_destroy_req {
spdk_lvs_op_complete cb_fn;
void *cb_arg;
struct spdk_lvol_store *lvs;
};
struct spdk_lvol_with_handle_req {
spdk_lvol_op_with_handle_complete cb_fn;
void *cb_arg;
struct spdk_lvol *lvol;
};
struct spdk_lvol_store {
struct spdk_bs_dev *bs_dev;
struct spdk_blob_store *blobstore;
struct spdk_blob *super_blob;
spdk_blob_id super_blob_id;
struct spdk_uuid uuid;
int lvol_count;
int lvols_opened;
bool destruct;
TAILQ_HEAD(, spdk_lvol) lvols;
TAILQ_HEAD(, spdk_lvol) pending_lvols;
bool on_list;
TAILQ_ENTRY(spdk_lvol_store) link;
char name[SPDK_LVS_NAME_MAX];
char new_name[SPDK_LVS_NAME_MAX];
};
struct spdk_lvol {
struct spdk_lvol_store *lvol_store;
struct spdk_blob *blob;
spdk_blob_id blob_id;
char *unique_id;
char name[SPDK_LVOL_NAME_MAX];
struct spdk_uuid uuid;
char uuid_str[SPDK_UUID_STRING_LEN];
bool thin_provision;
struct spdk_bdev *bdev;
int ref_count;
bool action_in_progress;
TAILQ_ENTRY(spdk_lvol) link;
};
struct lvol_task {
enum spdk_bdev_io_status status;
};
struct lvol_store_bdev *vbdev_lvol_store_first(void);
struct lvol_store_bdev *vbdev_lvol_store_next(struct lvol_store_bdev *prev);
void spdk_lvol_resize(struct spdk_lvol *lvol, uint64_t sz, spdk_lvol_op_complete cb_fn,
void *cb_arg);
#endif /* SPDK_INTERNAL_LVOLSTORE_H */
|
