a1944e0170
Add rpc methond for ublk target creation and destruction. Before to add ublk device, need to initialize ublk target to create ublk threads, corresponding an rpc methond to destroy ublk target is also added. It will deinitialize ublk target and release all ublk devices. Signed-off-by: Yifan Bian <yifan.bian@intel.com> Co-authored-by: Xiaodong Liu <xiaodong.liu@intel.com> Change-Id: I5db0cf9cc68745440df999169aa1c61111010e02 Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/15962 Tested-by: SPDK CI Jenkins <sys_sgci@intel.com> Reviewed-by: Paul Luse <paul.e.luse@intel.com> Reviewed-by: Jim Harris <james.r.harris@intel.com> Reviewed-by: Ben Walker <benjamin.walker@intel.com> Reviewed-by: Xiaodong Liu <xiaodong.liu@intel.com>
78 lines
2.1 KiB
C
78 lines
2.1 KiB
C
/* SPDX-License-Identifier: BSD-3-Clause
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* Copyright (C) 2022 Intel Corporation.
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* All rights reserved.
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*/
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#include "spdk/string.h"
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#include "spdk/env.h"
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#include "spdk/rpc.h"
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#include "spdk/util.h"
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#include "spdk/log.h"
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#include "ublk_internal.h"
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struct rpc_ublk_create_target {
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char *cpumask;
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};
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static const struct spdk_json_object_decoder rpc_ublk_create_target_decoders[] = {
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{"cpumask", offsetof(struct rpc_ublk_create_target, cpumask), spdk_json_decode_string, true},
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};
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static void
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free_rpc_ublk_create_target(struct rpc_ublk_create_target *req)
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{
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free(req->cpumask);
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}
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static void
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rpc_ublk_create_target(struct spdk_jsonrpc_request *request, const struct spdk_json_val *params)
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{
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int rc = 0;
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struct rpc_ublk_create_target req = {};
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if (params != NULL) {
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if (spdk_json_decode_object(params, rpc_ublk_create_target_decoders,
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SPDK_COUNTOF(rpc_ublk_create_target_decoders),
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&req)) {
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SPDK_ERRLOG("spdk_json_decode_object failed\n");
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rc = -EINVAL;
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goto invalid;
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}
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}
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rc = ublk_create_target(req.cpumask);
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if (rc != 0) {
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goto invalid;
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}
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spdk_jsonrpc_send_bool_response(request, true);
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free_rpc_ublk_create_target(&req);
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return;
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invalid:
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SPDK_ERRLOG("Can't create ublk target: %s\n", spdk_strerror(-rc));
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spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR, spdk_strerror(-rc));
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free_rpc_ublk_create_target(&req);
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}
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SPDK_RPC_REGISTER("ublk_create_target", rpc_ublk_create_target, SPDK_RPC_RUNTIME)
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static void
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ublk_destroy_target_done(void *arg)
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{
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struct spdk_jsonrpc_request *req = arg;
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spdk_jsonrpc_send_bool_response(req, true);
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SPDK_NOTICELOG("ublk target has been destroyed\n");
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}
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static void
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rpc_ublk_destroy_target(struct spdk_jsonrpc_request *request, const struct spdk_json_val *params)
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{
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int rc = 0;
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rc = ublk_destroy_target(ublk_destroy_target_done, request);
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if (rc != 0) {
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spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR, spdk_strerror(-rc));
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SPDK_ERRLOG("Can't destroy ublk target: %s\n", spdk_strerror(-rc));
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}
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}
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SPDK_RPC_REGISTER("ublk_destroy_target", rpc_ublk_destroy_target, SPDK_RPC_RUNTIME)
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