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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/rpc.h"
#include "spdk/util.h"
#include "spdk/string.h"
#include "vbdev_split.h"
#include "spdk_internal/log.h"
struct rpc_construct_split {
char *base_bdev;
uint32_t split_count;
uint64_t split_size_mb;
};
static const struct spdk_json_object_decoder rpc_construct_split_decoders[] = {
{"base_bdev", offsetof(struct rpc_construct_split, base_bdev), spdk_json_decode_string},
{"split_count", offsetof(struct rpc_construct_split, split_count), spdk_json_decode_uint32},
{"split_size_mb", offsetof(struct rpc_construct_split, split_size_mb), spdk_json_decode_uint64, true},
};
static void
spdk_rpc_construct_split_vbdev(struct spdk_jsonrpc_request *request,
const struct spdk_json_val *params)
{
struct rpc_construct_split req = {};
struct spdk_json_write_ctx *w;
struct spdk_bdev *base_bdev;
int rc;
if (spdk_json_decode_object(params, rpc_construct_split_decoders,
SPDK_COUNTOF(rpc_construct_split_decoders),
&req)) {
SPDK_ERRLOG("spdk_json_decode_object failed\n");
spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, "Invalid parameters");
goto out;
}
rc = create_vbdev_split(req.base_bdev, req.split_count, req.split_size_mb);
if (rc < 0) {
spdk_jsonrpc_send_error_response_fmt(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
"Failed to create %"PRIu32" split bdevs from '%s': %s",
req.split_count, req.base_bdev, spdk_strerror(-rc));
goto out;
}
w = spdk_jsonrpc_begin_result(request);
if (w == NULL) {
goto out;
}
spdk_json_write_array_begin(w);
base_bdev = spdk_bdev_get_by_name(req.base_bdev);
if (base_bdev != NULL) {
struct spdk_bdev_part_base *split_base;
struct bdev_part_tailq *split_base_tailq;
struct spdk_bdev_part *split_part;
struct spdk_bdev *split_bdev;
split_base = spdk_vbdev_split_get_part_base(base_bdev);
assert(split_base != NULL);
split_base_tailq = spdk_bdev_part_base_get_tailq(split_base);
TAILQ_FOREACH(split_part, split_base_tailq, tailq) {
split_bdev = spdk_bdev_part_get_bdev(split_part);
spdk_json_write_string(w, spdk_bdev_get_name(split_bdev));
}
}
spdk_json_write_array_end(w);
spdk_jsonrpc_end_result(request, w);
out:
free(req.base_bdev);
}
SPDK_RPC_REGISTER("construct_split_vbdev", spdk_rpc_construct_split_vbdev, SPDK_RPC_RUNTIME)
struct rpc_destruct_split {
char *base_bdev;
};
static const struct spdk_json_object_decoder rpc_destruct_split_decoders[] = {
{"base_bdev", offsetof(struct rpc_destruct_split, base_bdev), spdk_json_decode_string},
};
static void
spdk_rpc_destruct_split(struct spdk_jsonrpc_request *request,
const struct spdk_json_val *params)
{
struct rpc_destruct_split req = {};
struct spdk_json_write_ctx *w;
int rc;
if (spdk_json_decode_object(params, rpc_destruct_split_decoders,
SPDK_COUNTOF(rpc_destruct_split_decoders),
&req)) {
SPDK_ERRLOG("spdk_json_decode_object failed\n");
spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, "Invalid parameters");
goto out;
}
rc = spdk_vbdev_split_destruct(req.base_bdev);
if (rc < 0) {
spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, spdk_strerror(-rc));
goto out;
}
w = spdk_jsonrpc_begin_result(request);
if (w == NULL) {
goto out;
}
spdk_json_write_bool(w, true);
spdk_jsonrpc_end_result(request, w);
out:
free(req.base_bdev);
}
SPDK_RPC_REGISTER("destruct_split_vbdev", spdk_rpc_destruct_split, SPDK_RPC_RUNTIME)
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