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/*-
* BSD LICENSE
*
* Copyright (c) Intel Corporation. All rights reserved.
* Copyright (c) 2018-2019 Mellanox Technologies LTD. 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 "event_nvmf.h"
#include "spdk/rpc.h"
#include "spdk/util.h"
static const struct spdk_json_object_decoder nvmf_rpc_subsystem_tgt_opts_decoder[] = {
{"max_subsystems", 0, spdk_json_decode_uint32, true}
};
static void
rpc_nvmf_set_max_subsystems(struct spdk_jsonrpc_request *request,
const struct spdk_json_val *params)
{
struct spdk_json_write_ctx *w;
uint32_t max_subsystems = 0;
if (g_spdk_nvmf_tgt_max_subsystems != 0) {
SPDK_ERRLOG("this RPC must not be called more than once.\n");
spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
"Must not call more than once");
return;
}
if (params != NULL) {
if (spdk_json_decode_object(params, nvmf_rpc_subsystem_tgt_opts_decoder,
SPDK_COUNTOF(nvmf_rpc_subsystem_tgt_opts_decoder), &max_subsystems)) {
SPDK_ERRLOG("spdk_json_decode_object() failed\n");
spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
"Invalid parameters");
return;
}
}
g_spdk_nvmf_tgt_max_subsystems = max_subsystems;
w = spdk_jsonrpc_begin_result(request);
spdk_json_write_bool(w, true);
spdk_jsonrpc_end_result(request, w);
}
SPDK_RPC_REGISTER("nvmf_set_max_subsystems", rpc_nvmf_set_max_subsystems,
SPDK_RPC_STARTUP)
SPDK_RPC_REGISTER_ALIAS_DEPRECATED(nvmf_set_max_subsystems, set_nvmf_target_max_subsystems)
static int decode_conn_sched(const struct spdk_json_val *val, void *out)
{
*(uint32_t *)out = 0;
SPDK_NOTICELOG("conn_sched is no longer a supported parameter. Ignoring.");
return 0;
}
static const struct spdk_json_object_decoder admin_passthru_decoder[] = {
{"identify_ctrlr", offsetof(struct spdk_nvmf_admin_passthru_conf, identify_ctrlr), spdk_json_decode_bool}
};
static int decode_admin_passthru(const struct spdk_json_val *val, void *out)
{
struct spdk_nvmf_admin_passthru_conf *req = (struct spdk_nvmf_admin_passthru_conf *)out;
if (spdk_json_decode_object(val, admin_passthru_decoder,
SPDK_COUNTOF(admin_passthru_decoder),
req)) {
SPDK_ERRLOG("spdk_json_decode_object failed\n");
return -1;
}
return 0;
}
static const struct spdk_json_object_decoder nvmf_rpc_subsystem_tgt_conf_decoder[] = {
{"acceptor_poll_rate", offsetof(struct spdk_nvmf_tgt_conf, acceptor_poll_rate), spdk_json_decode_uint32, true},
{"conn_sched", offsetof(struct spdk_nvmf_tgt_conf, conn_sched), decode_conn_sched, true},
{"admin_cmd_passthru", offsetof(struct spdk_nvmf_tgt_conf, admin_passthru), decode_admin_passthru, true}
};
static void
rpc_nvmf_set_config(struct spdk_jsonrpc_request *request,
const struct spdk_json_val *params)
{
struct spdk_nvmf_tgt_conf *conf;
struct spdk_json_write_ctx *w;
if (g_spdk_nvmf_tgt_conf != NULL) {
SPDK_ERRLOG("this RPC must not be called more than once.\n");
spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
"Must not call more than once");
return;
}
conf = calloc(1, sizeof(*conf));
if (conf == NULL) {
SPDK_ERRLOG("calloc() failed for target config\n");
spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
"Out of memory");
return;
}
conf->acceptor_poll_rate = ACCEPT_TIMEOUT_US;
conf->admin_passthru.identify_ctrlr = false;
if (params != NULL) {
if (spdk_json_decode_object(params, nvmf_rpc_subsystem_tgt_conf_decoder,
SPDK_COUNTOF(nvmf_rpc_subsystem_tgt_conf_decoder), conf)) {
free(conf);
SPDK_ERRLOG("spdk_json_decode_object() failed\n");
spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
"Invalid parameters");
return;
}
}
g_spdk_nvmf_tgt_conf = conf;
w = spdk_jsonrpc_begin_result(request);
spdk_json_write_bool(w, true);
spdk_jsonrpc_end_result(request, w);
}
SPDK_RPC_REGISTER("nvmf_set_config", rpc_nvmf_set_config, SPDK_RPC_STARTUP)
SPDK_RPC_REGISTER_ALIAS_DEPRECATED(nvmf_set_config, set_nvmf_target_config)
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