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7c673cae FG |
1 | /*- |
2 | * BSD LICENSE | |
3 | * | |
4 | * Copyright (c) Intel Corporation. | |
5 | * All rights reserved. | |
6 | * | |
7 | * Redistribution and use in source and binary forms, with or without | |
8 | * modification, are permitted provided that the following conditions | |
9 | * are met: | |
10 | * | |
11 | * * Redistributions of source code must retain the above copyright | |
12 | * notice, this list of conditions and the following disclaimer. | |
13 | * * Redistributions in binary form must reproduce the above copyright | |
14 | * notice, this list of conditions and the following disclaimer in | |
15 | * the documentation and/or other materials provided with the | |
16 | * distribution. | |
17 | * * Neither the name of Intel Corporation nor the names of its | |
18 | * contributors may be used to endorse or promote products derived | |
19 | * from this software without specific prior written permission. | |
20 | * | |
21 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
22 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
23 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
24 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
25 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
26 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
27 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
28 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
29 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
30 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
31 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
32 | */ | |
33 | ||
11fdf7f2 TL |
34 | #include "spdk/bdev.h" |
35 | ||
7c673cae FG |
36 | #include "spdk/rpc.h" |
37 | #include "spdk/util.h" | |
11fdf7f2 | 38 | #include "spdk/string.h" |
7c673cae FG |
39 | |
40 | #include "spdk_internal/log.h" | |
41 | ||
11fdf7f2 TL |
42 | struct spdk_rpc_set_bdev_opts { |
43 | uint32_t bdev_io_pool_size; | |
44 | uint32_t bdev_io_cache_size; | |
7c673cae FG |
45 | }; |
46 | ||
11fdf7f2 TL |
47 | static const struct spdk_json_object_decoder rpc_set_bdev_opts_decoders[] = { |
48 | {"bdev_io_pool_size", offsetof(struct spdk_rpc_set_bdev_opts, bdev_io_pool_size), spdk_json_decode_uint32, true}, | |
49 | {"bdev_io_cache_size", offsetof(struct spdk_rpc_set_bdev_opts, bdev_io_cache_size), spdk_json_decode_uint32, true}, | |
7c673cae FG |
50 | }; |
51 | ||
52 | static void | |
9f95a23c | 53 | spdk_rpc_set_bdev_options(struct spdk_jsonrpc_request *request, const struct spdk_json_val *params) |
7c673cae | 54 | { |
11fdf7f2 TL |
55 | struct spdk_rpc_set_bdev_opts rpc_opts; |
56 | struct spdk_bdev_opts bdev_opts; | |
7c673cae | 57 | struct spdk_json_write_ctx *w; |
11fdf7f2 | 58 | int rc; |
7c673cae | 59 | |
11fdf7f2 TL |
60 | rpc_opts.bdev_io_pool_size = UINT32_MAX; |
61 | rpc_opts.bdev_io_cache_size = UINT32_MAX; | |
7c673cae | 62 | |
11fdf7f2 TL |
63 | if (params != NULL) { |
64 | if (spdk_json_decode_object(params, rpc_set_bdev_opts_decoders, | |
65 | SPDK_COUNTOF(rpc_set_bdev_opts_decoders), &rpc_opts)) { | |
66 | SPDK_ERRLOG("spdk_json_decode_object() failed\n"); | |
67 | spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, | |
68 | "Invalid parameters"); | |
69 | return; | |
70 | } | |
7c673cae FG |
71 | } |
72 | ||
11fdf7f2 TL |
73 | spdk_bdev_get_opts(&bdev_opts); |
74 | if (rpc_opts.bdev_io_pool_size != UINT32_MAX) { | |
75 | bdev_opts.bdev_io_pool_size = rpc_opts.bdev_io_pool_size; | |
76 | } | |
77 | if (rpc_opts.bdev_io_cache_size != UINT32_MAX) { | |
78 | bdev_opts.bdev_io_cache_size = rpc_opts.bdev_io_cache_size; | |
79 | } | |
80 | rc = spdk_bdev_set_opts(&bdev_opts); | |
7c673cae | 81 | |
11fdf7f2 TL |
82 | if (rc != 0) { |
83 | spdk_jsonrpc_send_error_response_fmt(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, | |
84 | "Pool size %" PRIu32 " too small for cache size %" PRIu32, | |
85 | bdev_opts.bdev_io_pool_size, bdev_opts.bdev_io_cache_size); | |
7c673cae FG |
86 | return; |
87 | } | |
88 | ||
11fdf7f2 TL |
89 | w = spdk_jsonrpc_begin_result(request); |
90 | if (w == NULL) { | |
91 | return; | |
92 | } | |
7c673cae | 93 | |
11fdf7f2 TL |
94 | spdk_json_write_bool(w, true); |
95 | spdk_jsonrpc_end_result(request, w); | |
7c673cae | 96 | } |
9f95a23c | 97 | SPDK_RPC_REGISTER("set_bdev_options", spdk_rpc_set_bdev_options, SPDK_RPC_STARTUP) |