text: /*-
   *   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 "vbdev_passthru.h"
  #include "spdk/rpc.h"
  #include "spdk/util.h"
  
  #include "spdk_internal/log.h"
  
  /* Structure to hold the parameters for this RPC method. */
  struct rpc_construct_passthru {
  	char *base_bdev_name;
  	char *passthru_bdev_name;
  };
  
  /* Free the allocated memory resource after the RPC handling. */
  static void
  free_rpc_construct_passthru(struct rpc_construct_passthru *r)
  {
  	free(r->base_bdev_name);
  	free(r->passthru_bdev_name);
  }
  
  /* Structure to decode the input parameters for this RPC method. */
  static const struct spdk_json_object_decoder rpc_construct_passthru_decoders[] = {
  	{"base_bdev_name", offsetof(struct rpc_construct_passthru, base_bdev_name), spdk_json_decode_string},
  	{"passthru_bdev_name", offsetof(struct rpc_construct_passthru, passthru_bdev_name), spdk_json_decode_string},
  };
  
  /* Decode the parameters for this RPC method and properly construct the passthru
   * device. Error status returned in the failed cases.
   */
  static void
  spdk_rpc_construct_passthru_bdev(struct spdk_jsonrpc_request *request,
  				 const struct spdk_json_val *params)
  {
  	struct rpc_construct_passthru req = {NULL};
  	struct spdk_json_write_ctx *w;
  	int rc;
  
  	if (spdk_json_decode_object(params, rpc_construct_passthru_decoders,
  				    SPDK_COUNTOF(rpc_construct_passthru_decoders),
  				    &req)) {
  		SPDK_DEBUGLOG(SPDK_LOG_VBDEV_PASSTHRU, "spdk_json_decode_object failed\n");
  		goto invalid;
  	}
  
  	rc = create_passthru_disk(req.base_bdev_name, req.passthru_bdev_name);
  	if (rc != 0) {
  		goto invalid;
  	}
  
  	w = spdk_jsonrpc_begin_result(request);
  	if (w == NULL) {
  		free_rpc_construct_passthru(&req);
  		return;
  	}
  
  	spdk_json_write_array_begin(w);
  	spdk_json_write_string(w, req.passthru_bdev_name);
  	spdk_json_write_array_end(w);
  	spdk_jsonrpc_end_result(request, w);
  	free_rpc_construct_passthru(&req);
  	return;
  
  invalid:
  	free_rpc_construct_passthru(&req);
  	spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, "Invalid parameters");
  }
  SPDK_RPC_REGISTER("construct_passthru_bdev", spdk_rpc_construct_passthru_bdev)
  