3c5fdc0610
Signed-off-by: Shuhei Matsumoto <smatsumoto@nvidia.com> Change-Id: I4551dee96f3241f6004fc3b8ad0381082551db8e Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/16587 Reviewed-by: Jim Harris <james.r.harris@intel.com> Reviewed-by: Aleksey Marchuk <alexeymar@nvidia.com> Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
121 lines
3.5 KiB
C
121 lines
3.5 KiB
C
/* SPDX-License-Identifier: BSD-3-Clause
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* Copyright (c) Samsung Electronics Co., Ltd.
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* Copyright (c) 2023 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
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* All rights reserved.
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*/
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#include "bdev_xnvme.h"
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#include "spdk/rpc.h"
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#include "spdk/util.h"
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#include "spdk/string.h"
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#include "spdk/log.h"
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/* Structure to hold the parameters for this RPC method. */
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struct rpc_create_xnvme {
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char *name;
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char *filename;
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char *io_mechanism;
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bool conserve_cpu;
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};
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/* Free the allocated memory resource after the RPC handling. */
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static void
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free_rpc_create_xnvme(struct rpc_create_xnvme *r)
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{
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free(r->name);
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free(r->filename);
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free(r->io_mechanism);
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}
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/* Structure to decode the input parameters for this RPC method. */
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static const struct spdk_json_object_decoder rpc_create_xnvme_decoders[] = {
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{"name", offsetof(struct rpc_create_xnvme, name), spdk_json_decode_string},
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{"filename", offsetof(struct rpc_create_xnvme, filename), spdk_json_decode_string},
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{"io_mechanism", offsetof(struct rpc_create_xnvme, io_mechanism), spdk_json_decode_string},
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{"conserve_cpu", offsetof(struct rpc_create_xnvme, conserve_cpu), spdk_json_decode_bool, true},
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};
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/* Decode the parameters for this RPC method and properly create the xnvme
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* device. Error status returned in the failed cases.
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*/
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static void
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rpc_bdev_xnvme_create(struct spdk_jsonrpc_request *request,
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const struct spdk_json_val *params)
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{
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struct rpc_create_xnvme 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_create_xnvme_decoders,
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SPDK_COUNTOF(rpc_create_xnvme_decoders),
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&req)) {
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SPDK_ERRLOG("spdk_json_decode_object failed\n");
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spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
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"spdk_json_decode_object failed");
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goto cleanup;
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}
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bdev = create_xnvme_bdev(req.name, req.filename, req.io_mechanism, req.conserve_cpu);
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if (!bdev) {
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SPDK_ERRLOG("Unable to create xNVMe bdev from file %s\n", req.filename);
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spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
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"Unable to create xNVMe bdev.");
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goto cleanup;
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}
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w = spdk_jsonrpc_begin_result(request);
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spdk_json_write_string(w, req.name);
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spdk_jsonrpc_end_result(request, w);
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cleanup:
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free_rpc_create_xnvme(&req);
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}
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SPDK_RPC_REGISTER("bdev_xnvme_create", rpc_bdev_xnvme_create, SPDK_RPC_RUNTIME)
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struct rpc_delete_xnvme {
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char *name;
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};
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static void
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free_rpc_delete_xnvme(struct rpc_delete_xnvme *req)
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{
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free(req->name);
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}
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static const struct spdk_json_object_decoder rpc_delete_xnvme_decoders[] = {
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{"name", offsetof(struct rpc_delete_xnvme, name), spdk_json_decode_string},
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};
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static void
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_rpc_bdev_xnvme_delete_cb(void *cb_arg, int bdeverrno)
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{
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struct spdk_jsonrpc_request *request = cb_arg;
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if (bdeverrno == 0) {
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spdk_jsonrpc_send_bool_response(request, true);
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} else {
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spdk_jsonrpc_send_error_response(request, bdeverrno, spdk_strerror(-bdeverrno));
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}
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}
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static void
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rpc_bdev_xnvme_delete(struct spdk_jsonrpc_request *request,
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const struct spdk_json_val *params)
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{
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struct rpc_delete_xnvme req = {NULL};
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if (spdk_json_decode_object(params, rpc_delete_xnvme_decoders,
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SPDK_COUNTOF(rpc_delete_xnvme_decoders),
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&req)) {
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spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
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"spdk_json_decode_object failed");
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goto cleanup;
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}
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delete_xnvme_bdev(req.name, _rpc_bdev_xnvme_delete_cb, request);
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cleanup:
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free_rpc_delete_xnvme(&req);
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}
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SPDK_RPC_REGISTER("bdev_xnvme_delete", rpc_bdev_xnvme_delete, SPDK_RPC_RUNTIME)
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