b58a5d73ef
SPDK_COUNTOF works like sizeof, except it returns the number of elements in an array instead of the number of bytes. Change-Id: I38ff4dd3485ed9b630cc5660ff84851d0031911f Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
98 lines
3.3 KiB
C
98 lines
3.3 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 "blockdev_rbd.h"
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#include "spdk/rpc.h"
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#include "spdk/util.h"
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#include "spdk_internal/log.h"
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struct rpc_construct_rbd {
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char *pool_name;
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char *rbd_name;
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uint32_t block_size;
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};
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static void
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free_rpc_construct_rbd(struct rpc_construct_rbd *req)
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{
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free(req->pool_name);
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free(req->rbd_name);
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}
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static const struct spdk_json_object_decoder rpc_construct_rbd_decoders[] = {
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{"pool_name", offsetof(struct rpc_construct_rbd, pool_name), spdk_json_decode_string},
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{"rbd_name", offsetof(struct rpc_construct_rbd, rbd_name), spdk_json_decode_string},
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{"block_size", offsetof(struct rpc_construct_rbd, block_size), spdk_json_decode_uint32},
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};
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static void
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spdk_rpc_construct_rbd_bdev(struct spdk_jsonrpc_server_conn *conn,
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const struct spdk_json_val *params,
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const struct spdk_json_val *id)
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{
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struct rpc_construct_rbd req = {};
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struct spdk_json_write_ctx *w;
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struct spdk_bdev *bdev;
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if (spdk_json_decode_object(params, rpc_construct_rbd_decoders,
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SPDK_COUNTOF(rpc_construct_rbd_decoders),
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&req)) {
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SPDK_TRACELOG(SPDK_TRACE_DEBUG, "spdk_json_decode_object failed\n");
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goto invalid;
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}
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bdev = spdk_bdev_rbd_create(req.pool_name, req.rbd_name, req.block_size);
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if (bdev == NULL) {
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goto invalid;
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}
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free_rpc_construct_rbd(&req);
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if (id == NULL) {
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return;
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}
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w = spdk_jsonrpc_begin_result(conn, id);
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spdk_json_write_array_begin(w);
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spdk_json_write_string(w, bdev->name);
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spdk_json_write_array_end(w);
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spdk_jsonrpc_end_result(conn, w);
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return;
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invalid:
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spdk_jsonrpc_send_error_response(conn, id, SPDK_JSONRPC_ERROR_INVALID_PARAMS, "Invalid parameters");
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free_rpc_construct_rbd(&req);
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}
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SPDK_RPC_REGISTER("construct_rbd_bdev", spdk_rpc_construct_rbd_bdev)
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