3090f4012e
Signed-off-by: Jim Harris <james.r.harris@intel.com> Change-Id: I060679165bd4215d010e74407aedd1aedc20fb9a Reviewed-on: https://review.gerrithub.io/414713 Tested-by: SPDK Automated Test System <sys_sgsw@intel.com> Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com> Reviewed-by: Ben Walker <benjamin.walker@intel.com> Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
98 lines
3.5 KiB
C
98 lines
3.5 KiB
C
/*-
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* BSD LICENSE
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*
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* Copyright (c) Intel Corporation.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Intel Corporation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "spdk/bdev.h"
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#include "spdk/rpc.h"
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#include "spdk/util.h"
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#include "spdk/string.h"
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#include "spdk_internal/log.h"
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struct spdk_rpc_set_bdev_opts {
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uint32_t bdev_io_pool_size;
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uint32_t bdev_io_cache_size;
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};
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static const struct spdk_json_object_decoder rpc_set_bdev_opts_decoders[] = {
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{"bdev_io_pool_size", offsetof(struct spdk_rpc_set_bdev_opts, bdev_io_pool_size), spdk_json_decode_uint32, true},
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{"bdev_io_cache_size", offsetof(struct spdk_rpc_set_bdev_opts, bdev_io_cache_size), spdk_json_decode_uint32, true},
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};
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static void
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spdk_rpc_set_bdev_opts(struct spdk_jsonrpc_request *request, const struct spdk_json_val *params)
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{
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struct spdk_rpc_set_bdev_opts rpc_opts;
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struct spdk_bdev_opts bdev_opts;
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struct spdk_json_write_ctx *w;
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int rc;
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rpc_opts.bdev_io_pool_size = UINT32_MAX;
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rpc_opts.bdev_io_cache_size = UINT32_MAX;
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if (params != NULL) {
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if (spdk_json_decode_object(params, rpc_set_bdev_opts_decoders,
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SPDK_COUNTOF(rpc_set_bdev_opts_decoders), &rpc_opts)) {
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SPDK_ERRLOG("spdk_json_decode_object() failed\n");
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spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
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"Invalid parameters");
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return;
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}
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}
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spdk_bdev_get_opts(&bdev_opts);
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if (rpc_opts.bdev_io_pool_size != UINT32_MAX) {
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bdev_opts.bdev_io_pool_size = rpc_opts.bdev_io_pool_size;
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}
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if (rpc_opts.bdev_io_cache_size != UINT32_MAX) {
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bdev_opts.bdev_io_cache_size = rpc_opts.bdev_io_cache_size;
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}
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rc = spdk_bdev_set_opts(&bdev_opts);
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if (rc != 0) {
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spdk_jsonrpc_send_error_response_fmt(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
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"Pool size %" PRIu32 " too small for cache size %" PRIu32,
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bdev_opts.bdev_io_pool_size, bdev_opts.bdev_io_cache_size);
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return;
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}
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w = spdk_jsonrpc_begin_result(request);
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if (w == NULL) {
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return;
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}
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spdk_json_write_bool(w, true);
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spdk_jsonrpc_end_result(request, w);
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}
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SPDK_RPC_REGISTER("set_bdev_options", spdk_rpc_set_bdev_opts, SPDK_RPC_STARTUP)
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