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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/stdinc.h"
#include "bdev_nvme.h"
#include "spdk/string.h"
#include "spdk/rpc.h"
#include "spdk/util.h"
#include "spdk/nvme.h"
#include "spdk_internal/log.h"
struct rpc_nvme_cuse_register {
char *name;
};
static void
free_rpc_nvme_cuse_register(struct rpc_nvme_cuse_register *req)
{
free(req->name);
}
static const struct spdk_json_object_decoder rpc_nvme_cuse_register_decoders[] = {
{"name", offsetof(struct rpc_nvme_cuse_register, name), spdk_json_decode_string},
};
static void
rpc_nvme_cuse_register(struct spdk_jsonrpc_request *request,
const struct spdk_json_val *params)
{
struct rpc_nvme_cuse_register req = {};
struct spdk_json_write_ctx *w;
struct nvme_bdev_ctrlr *bdev_ctrlr = NULL;
int rc;
if (spdk_json_decode_object(params, rpc_nvme_cuse_register_decoders,
SPDK_COUNTOF(rpc_nvme_cuse_register_decoders),
&req)) {
SPDK_ERRLOG("spdk_json_decode_object failed\n");
spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
"spdk_json_decode_object failed");
goto cleanup;
}
bdev_ctrlr = nvme_bdev_ctrlr_get_by_name(req.name);
if (!bdev_ctrlr) {
SPDK_ERRLOG("No such controller\n");
spdk_jsonrpc_send_error_response(request, -ENODEV, spdk_strerror(ENODEV));
goto cleanup;
}
rc = spdk_nvme_cuse_register(bdev_ctrlr->ctrlr);
if (rc) {
SPDK_ERRLOG("Failed to register CUSE devices: %s\n", spdk_strerror(-rc));
spdk_jsonrpc_send_error_response(request, rc, spdk_strerror(-rc));
goto cleanup;
}
w = spdk_jsonrpc_begin_result(request);
spdk_json_write_bool(w, true);
spdk_jsonrpc_end_result(request, w);
cleanup:
free_rpc_nvme_cuse_register(&req);
}
SPDK_RPC_REGISTER("bdev_nvme_cuse_register", rpc_nvme_cuse_register, SPDK_RPC_RUNTIME)
struct rpc_nvme_cuse_unregister {
char *name;
};
static void
free_rpc_nvme_cuse_unregister(struct rpc_nvme_cuse_unregister *req)
{
free(req->name);
}
static const struct spdk_json_object_decoder rpc_nvme_cuse_unregister_decoders[] = {
{"name", offsetof(struct rpc_nvme_cuse_unregister, name), spdk_json_decode_string, true},
};
static void
rpc_nvme_cuse_unregister(struct spdk_jsonrpc_request *request,
const struct spdk_json_val *params)
{
struct rpc_nvme_cuse_unregister req = {};
struct spdk_json_write_ctx *w;
struct nvme_bdev_ctrlr *bdev_ctrlr = NULL;
int rc;
if (spdk_json_decode_object(params, rpc_nvme_cuse_unregister_decoders,
SPDK_COUNTOF(rpc_nvme_cuse_unregister_decoders),
&req)) {
SPDK_ERRLOG("spdk_json_decode_object failed\n");
spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
"spdk_json_decode_object failed");
goto cleanup;
}
bdev_ctrlr = nvme_bdev_ctrlr_get_by_name(req.name);
if (!bdev_ctrlr) {
SPDK_ERRLOG("No such controller\n");
spdk_jsonrpc_send_error_response(request, -ENODEV, spdk_strerror(ENODEV));
goto cleanup;
}
rc = spdk_nvme_cuse_unregister(bdev_ctrlr->ctrlr);
if (rc) {
spdk_jsonrpc_send_error_response(request, rc, spdk_strerror(-rc));
goto cleanup;
}
w = spdk_jsonrpc_begin_result(request);
spdk_json_write_bool(w, true);
spdk_jsonrpc_end_result(request, w);
cleanup:
free_rpc_nvme_cuse_unregister(&req);
}
SPDK_RPC_REGISTER("bdev_nvme_cuse_unregister", rpc_nvme_cuse_unregister, SPDK_RPC_RUNTIME)
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