Line data    Source code

       1             : /*   SPDX-License-Identifier: BSD-3-Clause
       2             :  *   Copyright (c) 2024 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
       3             :  */
       4             : 
       5             : #include "spdk/stdinc.h"
       6             : #include "spdk/log.h"
       7             : #include "spdk/rpc.h"
       8             : #include "spdk/util.h"
       9             : #include "spdk/fsdev.h"
      10             : 
      11             : static void
      12           0 : rpc_fsdev_get_opts(struct spdk_jsonrpc_request *request, const struct spdk_json_val *params)
      13             : {
      14             :         struct spdk_json_write_ctx *w;
      15           0 :         struct spdk_fsdev_opts opts = {};
      16             :         int rc;
      17             : 
      18           0 :         if (params) {
      19           0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
      20             :                                                  "'fsdev_get_opts' requires no arguments");
      21           0 :                 return;
      22             :         }
      23             : 
      24           0 :         rc = spdk_fsdev_get_opts(&opts, sizeof(opts));
      25           0 :         if (rc) {
      26           0 :                 spdk_jsonrpc_send_error_response_fmt(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
      27             :                                                      "spdk_fsdev_get_opts failed with %d", rc);
      28           0 :                 return;
      29             :         }
      30             : 
      31           0 :         w = spdk_jsonrpc_begin_result(request);
      32           0 :         spdk_json_write_object_begin(w);
      33           0 :         spdk_json_write_named_uint32(w, "fsdev_io_pool_size", opts.fsdev_io_pool_size);
      34           0 :         spdk_json_write_named_uint32(w, "fsdev_io_cache_size", opts.fsdev_io_cache_size);
      35           0 :         spdk_json_write_object_end(w);
      36           0 :         spdk_jsonrpc_end_result(request, w);
      37             : }
      38           0 : SPDK_RPC_REGISTER("fsdev_get_opts", rpc_fsdev_get_opts, SPDK_RPC_RUNTIME)
      39             : 
      40             : struct rpc_fsdev_set_opts {
      41             :         uint32_t fsdev_io_pool_size;
      42             :         uint32_t fsdev_io_cache_size;
      43             : };
      44             : 
      45             : static const struct spdk_json_object_decoder rpc_fsdev_set_opts_decoders[] = {
      46             :         {"fsdev_io_pool_size", offsetof(struct rpc_fsdev_set_opts, fsdev_io_pool_size), spdk_json_decode_uint32, false},
      47             :         {"fsdev_io_cache_size", offsetof(struct rpc_fsdev_set_opts, fsdev_io_cache_size), spdk_json_decode_uint32, false},
      48             : };
      49             : 
      50             : static void
      51           0 : rpc_fsdev_set_opts(struct spdk_jsonrpc_request *request, const struct spdk_json_val *params)
      52             : {
      53           0 :         struct rpc_fsdev_set_opts req = {};
      54             :         int rc;
      55           0 :         struct spdk_fsdev_opts opts = {};
      56             : 
      57           0 :         if (spdk_json_decode_object(params, rpc_fsdev_set_opts_decoders,
      58             :                                     SPDK_COUNTOF(rpc_fsdev_set_opts_decoders),
      59             :                                     &req)) {
      60           0 :                 SPDK_ERRLOG("spdk_json_decode_object failed\n");
      61           0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
      62             :                                                  "spdk_json_decode_object failed");
      63           0 :                 return;
      64             :         }
      65             : 
      66           0 :         rc = spdk_fsdev_get_opts(&opts, sizeof(opts));
      67           0 :         if (rc) {
      68           0 :                 spdk_jsonrpc_send_error_response_fmt(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
      69             :                                                      "spdk_fsdev_get_opts failed with %d", rc);
      70           0 :                 return;
      71             :         }
      72             : 
      73           0 :         opts.fsdev_io_pool_size = req.fsdev_io_pool_size;
      74           0 :         opts.fsdev_io_cache_size = req.fsdev_io_cache_size;
      75             : 
      76           0 :         rc = spdk_fsdev_set_opts(&opts);
      77           0 :         if (rc) {
      78           0 :                 spdk_jsonrpc_send_error_response_fmt(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
      79             :                                                      "spdk_fsdev_set_opts failed with %d", rc);
      80           0 :                 return;
      81             :         }
      82             : 
      83           0 :         spdk_jsonrpc_send_bool_response(request, true);
      84             : }
      85           0 : SPDK_RPC_REGISTER("fsdev_set_opts", rpc_fsdev_set_opts, SPDK_RPC_RUNTIME)