LCOV - code coverage report
Current view: top level - module/bdev/split - vbdev_split_rpc.c (source / functions) Hit Total Coverage
Test: ut_cov_unit.info Lines: 0 46 0.0 %
Date: 2024-07-15 22:09:14 Functions: 0 5 0.0 %

          Line data    Source code
       1             : /*   SPDX-License-Identifier: BSD-3-Clause
       2             :  *   Copyright (C) 2018 Intel Corporation.
       3             :  *   All rights reserved.
       4             :  */
       5             : 
       6             : #include "spdk/rpc.h"
       7             : #include "spdk/util.h"
       8             : #include "spdk/string.h"
       9             : 
      10             : #include "vbdev_split.h"
      11             : #include "spdk/log.h"
      12             : 
      13             : struct rpc_construct_split {
      14             :         char *base_bdev;
      15             :         uint32_t split_count;
      16             :         uint64_t split_size_mb;
      17             : };
      18             : 
      19             : static const struct spdk_json_object_decoder rpc_construct_split_decoders[] = {
      20             :         {"base_bdev", offsetof(struct rpc_construct_split, base_bdev), spdk_json_decode_string},
      21             :         {"split_count", offsetof(struct rpc_construct_split, split_count), spdk_json_decode_uint32},
      22             :         {"split_size_mb", offsetof(struct rpc_construct_split, split_size_mb), spdk_json_decode_uint64, true},
      23             : };
      24             : 
      25             : static void
      26           0 : dummy_bdev_event_cb(enum spdk_bdev_event_type type, struct spdk_bdev *bdev, void *ctx)
      27             : {
      28           0 : }
      29             : 
      30             : static void
      31           0 : rpc_bdev_split_create(struct spdk_jsonrpc_request *request,
      32             :                       const struct spdk_json_val *params)
      33             : {
      34           0 :         struct rpc_construct_split req = {};
      35             :         struct spdk_json_write_ctx *w;
      36           0 :         struct spdk_bdev_desc *base_desc;
      37             :         struct spdk_bdev *base_bdev;
      38             :         int rc;
      39             : 
      40           0 :         if (spdk_json_decode_object(params, rpc_construct_split_decoders,
      41             :                                     SPDK_COUNTOF(rpc_construct_split_decoders),
      42             :                                     &req)) {
      43           0 :                 SPDK_ERRLOG("spdk_json_decode_object failed\n");
      44           0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, "Invalid parameters");
      45           0 :                 goto out;
      46             :         }
      47             : 
      48           0 :         rc = create_vbdev_split(req.base_bdev, req.split_count, req.split_size_mb);
      49           0 :         if (rc < 0) {
      50           0 :                 spdk_jsonrpc_send_error_response_fmt(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
      51             :                                                      "Failed to create %"PRIu32" split bdevs from '%s': %s",
      52             :                                                      req.split_count, req.base_bdev, spdk_strerror(-rc));
      53           0 :                 goto out;
      54             :         }
      55             : 
      56           0 :         w = spdk_jsonrpc_begin_result(request);
      57           0 :         spdk_json_write_array_begin(w);
      58             : 
      59           0 :         rc = spdk_bdev_open_ext(req.base_bdev, false, dummy_bdev_event_cb, NULL, &base_desc);
      60           0 :         if (rc == 0) {
      61             :                 struct spdk_bdev_part_base *split_base;
      62             :                 struct bdev_part_tailq *split_base_tailq;
      63             :                 struct spdk_bdev_part *split_part;
      64             :                 struct spdk_bdev *split_bdev;
      65             : 
      66           0 :                 base_bdev = spdk_bdev_desc_get_bdev(base_desc);
      67             : 
      68           0 :                 split_base = vbdev_split_get_part_base(base_bdev);
      69             : 
      70           0 :                 assert(split_base != NULL);
      71             : 
      72           0 :                 split_base_tailq = spdk_bdev_part_base_get_tailq(split_base);
      73           0 :                 TAILQ_FOREACH(split_part, split_base_tailq, tailq) {
      74           0 :                         split_bdev = spdk_bdev_part_get_bdev(split_part);
      75           0 :                         spdk_json_write_string(w, spdk_bdev_get_name(split_bdev));
      76             :                 }
      77             : 
      78           0 :                 spdk_bdev_close(base_desc);
      79             :         }
      80             : 
      81           0 :         spdk_json_write_array_end(w);
      82           0 :         spdk_jsonrpc_end_result(request, w);
      83             : 
      84           0 : out:
      85           0 :         free(req.base_bdev);
      86           0 : }
      87           0 : SPDK_RPC_REGISTER("bdev_split_create", rpc_bdev_split_create, SPDK_RPC_RUNTIME)
      88             : 
      89             : struct rpc_delete_split {
      90             :         char *base_bdev;
      91             : };
      92             : 
      93             : static const struct spdk_json_object_decoder rpc_delete_split_decoders[] = {
      94             :         {"base_bdev", offsetof(struct rpc_delete_split, base_bdev), spdk_json_decode_string},
      95             : };
      96             : 
      97             : static void
      98           0 : rpc_bdev_split_delete(struct spdk_jsonrpc_request *request,
      99             :                       const struct spdk_json_val *params)
     100             : {
     101           0 :         struct rpc_delete_split req = {};
     102             :         int rc;
     103             : 
     104           0 :         if (spdk_json_decode_object(params, rpc_delete_split_decoders,
     105             :                                     SPDK_COUNTOF(rpc_delete_split_decoders),
     106             :                                     &req)) {
     107           0 :                 SPDK_ERRLOG("spdk_json_decode_object failed\n");
     108           0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, "Invalid parameters");
     109           0 :                 goto out;
     110             :         }
     111             : 
     112           0 :         rc = vbdev_split_destruct(req.base_bdev);
     113           0 :         if (rc < 0) {
     114           0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, spdk_strerror(-rc));
     115           0 :                 goto out;
     116             :         }
     117             : 
     118           0 :         spdk_jsonrpc_send_bool_response(request, true);
     119           0 : out:
     120           0 :         free(req.base_bdev);
     121           0 : }
     122           0 : SPDK_RPC_REGISTER("bdev_split_delete", rpc_bdev_split_delete, SPDK_RPC_RUNTIME)

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