/*-
 *   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_internal/accel_engine.h"
#include "spdk/rpc.h"
#include "spdk/util.h"
#include "spdk/string.h"
#include "spdk_internal/log.h"

struct rpc_accel_set_module {
	enum accel_module module;
};

static const struct spdk_json_object_decoder rpc_accel_set_module_decoder[] = {
	{"module", offsetof(struct rpc_accel_set_module, module), spdk_json_decode_uint32},
};

static void
spdk_rpc_accel_set_module(struct spdk_jsonrpc_request *request,
			  const struct spdk_json_val *params)
{
	struct rpc_accel_set_module req = {};
	struct spdk_json_write_ctx *w;
	int rc = 0;

	if (spdk_json_decode_object(params, rpc_accel_set_module_decoder,
				    SPDK_COUNTOF(rpc_accel_set_module_decoder),
				    &req)) {
		SPDK_ERRLOG("spdk_json_decode_object failed\n");
		spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_PARSE_ERROR,
						 "spdk_json_decode_object failed");
		return;
	}

	if (req.module >= ACCEL_MODULE_MAX) {
		spdk_jsonrpc_send_error_response_fmt(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
						     "Module value %d should be less than %d", req.module,
						     ACCEL_MODULE_MAX);
		return;
	}

	rc = accel_set_module(&req.module);
	if (rc) {
		spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR, spdk_strerror(-rc));
		return;
	}

	w = spdk_jsonrpc_begin_result(request);
	if (w != NULL) {
		spdk_json_write_bool(w, true);
		spdk_jsonrpc_end_result(request, w);
	}
}
SPDK_RPC_REGISTER("accel_set_module", spdk_rpc_accel_set_module,
		  SPDK_RPC_STARTUP)