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
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
|
/*-
* 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.
*/
#include "spdk/rpc.h"
#include "spdk/util.h"
#include "spdk/string.h"
#include "spdk/bdev_module.h"
#include "spdk_internal/log.h"
#include "bdev_null.h"
struct rpc_construct_null {
char *name;
char *uuid;
uint64_t num_blocks;
uint32_t block_size;
};
static void
free_rpc_construct_null(struct rpc_construct_null *req)
{
free(req->name);
free(req->uuid);
}
static const struct spdk_json_object_decoder rpc_construct_null_decoders[] = {
{"name", offsetof(struct rpc_construct_null, name), spdk_json_decode_string},
{"uuid", offsetof(struct rpc_construct_null, uuid), spdk_json_decode_string, true},
{"num_blocks", offsetof(struct rpc_construct_null, num_blocks), spdk_json_decode_uint64},
{"block_size", offsetof(struct rpc_construct_null, block_size), spdk_json_decode_uint32},
};
static void
spdk_rpc_construct_null_bdev(struct spdk_jsonrpc_request *request,
const struct spdk_json_val *params)
{
struct rpc_construct_null req = {};
struct spdk_json_write_ctx *w;
struct spdk_uuid *uuid = NULL;
struct spdk_uuid decoded_uuid;
struct spdk_bdev *bdev;
if (spdk_json_decode_object(params, rpc_construct_null_decoders,
SPDK_COUNTOF(rpc_construct_null_decoders),
&req)) {
SPDK_DEBUGLOG(SPDK_LOG_BDEV_NULL, "spdk_json_decode_object failed\n");
goto invalid;
}
if (req.uuid) {
if (spdk_uuid_parse(&decoded_uuid, req.uuid)) {
goto invalid;
}
uuid = &decoded_uuid;
}
bdev = create_null_bdev(req.name, uuid, req.num_blocks, req.block_size);
if (bdev == NULL) {
goto invalid;
}
w = spdk_jsonrpc_begin_result(request);
if (w == NULL) {
free_rpc_construct_null(&req);
return;
}
spdk_json_write_string(w, bdev->name);
spdk_jsonrpc_end_result(request, w);
free_rpc_construct_null(&req);
return;
invalid:
spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, "Invalid parameters");
free_rpc_construct_null(&req);
}
SPDK_RPC_REGISTER("construct_null_bdev", spdk_rpc_construct_null_bdev, SPDK_RPC_RUNTIME)
struct rpc_delete_null {
char *name;
};
static void
free_rpc_delete_null(struct rpc_delete_null *req)
{
free(req->name);
}
static const struct spdk_json_object_decoder rpc_delete_null_decoders[] = {
{"name", offsetof(struct rpc_delete_null, name), spdk_json_decode_string},
};
static void
_spdk_rpc_delete_null_bdev_cb(void *cb_arg, int bdeverrno)
{
struct spdk_jsonrpc_request *request = cb_arg;
struct spdk_json_write_ctx *w;
w = spdk_jsonrpc_begin_result(request);
if (w == NULL) {
return;
}
spdk_json_write_bool(w, bdeverrno == 0);
spdk_jsonrpc_end_result(request, w);
}
static void
spdk_rpc_delete_null_bdev(struct spdk_jsonrpc_request *request,
const struct spdk_json_val *params)
{
struct rpc_delete_null req = {NULL};
struct spdk_bdev *bdev;
int rc;
if (spdk_json_decode_object(params, rpc_delete_null_decoders,
SPDK_COUNTOF(rpc_delete_null_decoders),
&req)) {
rc = -EINVAL;
goto invalid;
}
bdev = spdk_bdev_get_by_name(req.name);
if (bdev == NULL) {
rc = -ENODEV;
goto invalid;
}
delete_null_bdev(bdev, _spdk_rpc_delete_null_bdev_cb, request);
free_rpc_delete_null(&req);
return;
invalid:
free_rpc_delete_null(&req);
spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, spdk_strerror(-rc));
}
SPDK_RPC_REGISTER("delete_null_bdev", spdk_rpc_delete_null_bdev, SPDK_RPC_RUNTIME)
|
