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/*-
* 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/bdev.h"
#include "spdk/rpc.h"
#include "spdk/util.h"
#include "spdk/string.h"
#include "spdk_internal/log.h"
struct spdk_rpc_set_bdev_opts {
uint32_t bdev_io_pool_size;
uint32_t bdev_io_cache_size;
bool bdev_auto_examine;
};
static const struct spdk_json_object_decoder rpc_set_bdev_opts_decoders[] = {
{"bdev_io_pool_size", offsetof(struct spdk_rpc_set_bdev_opts, bdev_io_pool_size), spdk_json_decode_uint32, true},
{"bdev_io_cache_size", offsetof(struct spdk_rpc_set_bdev_opts, bdev_io_cache_size), spdk_json_decode_uint32, true},
{"bdev_auto_examine", offsetof(struct spdk_rpc_set_bdev_opts, bdev_auto_examine), spdk_json_decode_bool, true},
};
static void
rpc_bdev_set_options(struct spdk_jsonrpc_request *request, const struct spdk_json_val *params)
{
struct spdk_rpc_set_bdev_opts rpc_opts;
struct spdk_bdev_opts bdev_opts;
struct spdk_json_write_ctx *w;
int rc;
rpc_opts.bdev_io_pool_size = UINT32_MAX;
rpc_opts.bdev_io_cache_size = UINT32_MAX;
rpc_opts.bdev_auto_examine = true;
if (params != NULL) {
if (spdk_json_decode_object(params, rpc_set_bdev_opts_decoders,
SPDK_COUNTOF(rpc_set_bdev_opts_decoders), &rpc_opts)) {
SPDK_ERRLOG("spdk_json_decode_object() failed\n");
spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
"Invalid parameters");
return;
}
}
spdk_bdev_get_opts(&bdev_opts);
if (rpc_opts.bdev_io_pool_size != UINT32_MAX) {
bdev_opts.bdev_io_pool_size = rpc_opts.bdev_io_pool_size;
}
if (rpc_opts.bdev_io_cache_size != UINT32_MAX) {
bdev_opts.bdev_io_cache_size = rpc_opts.bdev_io_cache_size;
}
bdev_opts.bdev_auto_examine = rpc_opts.bdev_auto_examine;
rc = spdk_bdev_set_opts(&bdev_opts);
if (rc != 0) {
spdk_jsonrpc_send_error_response_fmt(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
"Pool size %" PRIu32 " too small for cache size %" PRIu32,
bdev_opts.bdev_io_pool_size, bdev_opts.bdev_io_cache_size);
return;
}
w = spdk_jsonrpc_begin_result(request);
spdk_json_write_bool(w, true);
spdk_jsonrpc_end_result(request, w);
}
SPDK_RPC_REGISTER("bdev_set_options", rpc_bdev_set_options, SPDK_RPC_STARTUP)
SPDK_RPC_REGISTER_ALIAS_DEPRECATED(bdev_set_options, set_bdev_options)
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