LCOV - code coverage report
Current view: top level - module/bdev/xnvme - bdev_xnvme_rpc.c (source / functions) Hit Total Coverage
Test: ut_cov_unit.info Lines: 0 43 0.0 %
Date: 2024-12-16 16:49:00 Functions: 0 7 0.0 %

          Line data    Source code
       1             : /*   SPDX-License-Identifier: BSD-3-Clause
       2             :  *   Copyright (c) Samsung Electronics Co., Ltd.
       3             :  *   Copyright (c) 2023 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
       4             :  *   All rights reserved.
       5             :  */
       6             : 
       7             : #include "bdev_xnvme.h"
       8             : #include "spdk/rpc.h"
       9             : #include "spdk/util.h"
      10             : #include "spdk/string.h"
      11             : #include "spdk/log.h"
      12             : 
      13             : /* Structure to hold the parameters for this RPC method. */
      14             : struct rpc_create_xnvme {
      15             :         char *name;
      16             :         char *filename;
      17             :         char *io_mechanism;
      18             :         bool conserve_cpu;
      19             : };
      20             : 
      21             : /* Free the allocated memory resource after the RPC handling. */
      22             : static void
      23           0 : free_rpc_create_xnvme(struct rpc_create_xnvme *r)
      24             : {
      25           0 :         free(r->name);
      26           0 :         free(r->filename);
      27           0 :         free(r->io_mechanism);
      28           0 : }
      29             : 
      30             : /* Structure to decode the input parameters for this RPC method. */
      31             : static const struct spdk_json_object_decoder rpc_create_xnvme_decoders[] = {
      32             :         {"name", offsetof(struct rpc_create_xnvme, name), spdk_json_decode_string},
      33             :         {"filename", offsetof(struct rpc_create_xnvme, filename), spdk_json_decode_string},
      34             :         {"io_mechanism", offsetof(struct rpc_create_xnvme, io_mechanism), spdk_json_decode_string},
      35             :         {"conserve_cpu", offsetof(struct rpc_create_xnvme, conserve_cpu), spdk_json_decode_bool, true},
      36             : };
      37             : 
      38             : /* Decode the parameters for this RPC method and properly create the xnvme
      39             :  * device. Error status returned in the failed cases.
      40             :  */
      41             : static void
      42           0 : rpc_bdev_xnvme_create(struct spdk_jsonrpc_request *request,
      43             :                       const struct spdk_json_val *params)
      44             : {
      45           0 :         struct rpc_create_xnvme req = {};
      46           0 :         struct spdk_json_write_ctx *w;
      47           0 :         struct spdk_bdev *bdev;
      48             : 
      49           0 :         if (spdk_json_decode_object(params, rpc_create_xnvme_decoders,
      50             :                                     SPDK_COUNTOF(rpc_create_xnvme_decoders),
      51             :                                     &req)) {
      52           0 :                 SPDK_ERRLOG("spdk_json_decode_object failed\n");
      53           0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
      54             :                                                  "spdk_json_decode_object failed");
      55           0 :                 goto cleanup;
      56             :         }
      57             : 
      58           0 :         bdev = create_xnvme_bdev(req.name, req.filename, req.io_mechanism, req.conserve_cpu);
      59           0 :         if (!bdev) {
      60           0 :                 SPDK_ERRLOG("Unable to create xNVMe bdev from file %s\n", req.filename);
      61           0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
      62             :                                                  "Unable to create xNVMe bdev.");
      63           0 :                 goto cleanup;
      64             :         }
      65             : 
      66           0 :         w = spdk_jsonrpc_begin_result(request);
      67           0 :         spdk_json_write_string(w, req.name);
      68           0 :         spdk_jsonrpc_end_result(request, w);
      69             : 
      70             : cleanup:
      71           0 :         free_rpc_create_xnvme(&req);
      72           0 : }
      73           0 : SPDK_RPC_REGISTER("bdev_xnvme_create", rpc_bdev_xnvme_create, SPDK_RPC_RUNTIME)
      74             : 
      75             : struct rpc_delete_xnvme {
      76             :         char *name;
      77             : };
      78             : 
      79             : static void
      80           0 : free_rpc_delete_xnvme(struct rpc_delete_xnvme *req)
      81             : {
      82           0 :         free(req->name);
      83           0 : }
      84             : 
      85             : static const struct spdk_json_object_decoder rpc_delete_xnvme_decoders[] = {
      86             :         {"name", offsetof(struct rpc_delete_xnvme, name), spdk_json_decode_string},
      87             : };
      88             : 
      89             : static void
      90           0 : _rpc_bdev_xnvme_delete_cb(void *cb_arg, int bdeverrno)
      91             : {
      92           0 :         struct spdk_jsonrpc_request *request = cb_arg;
      93             : 
      94           0 :         if (bdeverrno == 0) {
      95           0 :                 spdk_jsonrpc_send_bool_response(request, true);
      96           0 :         } else {
      97           0 :                 spdk_jsonrpc_send_error_response(request, bdeverrno, spdk_strerror(-bdeverrno));
      98             :         }
      99           0 : }
     100             : 
     101             : static void
     102           0 : rpc_bdev_xnvme_delete(struct spdk_jsonrpc_request *request,
     103             :                       const struct spdk_json_val *params)
     104             : {
     105           0 :         struct rpc_delete_xnvme req = {NULL};
     106             : 
     107           0 :         if (spdk_json_decode_object(params, rpc_delete_xnvme_decoders,
     108             :                                     SPDK_COUNTOF(rpc_delete_xnvme_decoders),
     109             :                                     &req)) {
     110           0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
     111             :                                                  "spdk_json_decode_object failed");
     112           0 :                 goto cleanup;
     113             :         }
     114             : 
     115           0 :         delete_xnvme_bdev(req.name, _rpc_bdev_xnvme_delete_cb, request);
     116             : 
     117             : cleanup:
     118           0 :         free_rpc_delete_xnvme(&req);
     119           0 : }
     120           0 : SPDK_RPC_REGISTER("bdev_xnvme_delete", rpc_bdev_xnvme_delete, SPDK_RPC_RUNTIME)

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