1 /*- 2 * BSD LICENSE 3 * 4 * Copyright (c) Intel Corporation. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 11 * * Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * * Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in 15 * the documentation and/or other materials provided with the 16 * distribution. 17 * * Neither the name of Intel Corporation nor the names of its 18 * contributors may be used to endorse or promote products derived 19 * from this software without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 22 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 24 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 25 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 26 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 27 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 31 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 */ 33 34 #include "bdev_aio.h" 35 #include "spdk/rpc.h" 36 #include "spdk/util.h" 37 #include "spdk/string.h" 38 #include "spdk_internal/log.h" 39 40 struct rpc_construct_aio { 41 char *name; 42 char *filename; 43 uint32_t block_size; 44 }; 45 46 static void 47 free_rpc_construct_aio(struct rpc_construct_aio *req) 48 { 49 free(req->name); 50 free(req->filename); 51 } 52 53 static const struct spdk_json_object_decoder rpc_construct_aio_decoders[] = { 54 {"name", offsetof(struct rpc_construct_aio, name), spdk_json_decode_string}, 55 {"filename", offsetof(struct rpc_construct_aio, filename), spdk_json_decode_string}, 56 {"block_size", offsetof(struct rpc_construct_aio, block_size), spdk_json_decode_uint32, true}, 57 }; 58 59 static void 60 rpc_bdev_aio_create(struct spdk_jsonrpc_request *request, 61 const struct spdk_json_val *params) 62 { 63 struct rpc_construct_aio req = {}; 64 struct spdk_json_write_ctx *w; 65 int rc = 0; 66 67 if (spdk_json_decode_object(params, rpc_construct_aio_decoders, 68 SPDK_COUNTOF(rpc_construct_aio_decoders), 69 &req)) { 70 SPDK_ERRLOG("spdk_json_decode_object failed\n"); 71 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR, 72 "spdk_json_decode_object failed"); 73 goto cleanup; 74 } 75 76 rc = create_aio_bdev(req.name, req.filename, req.block_size); 77 if (rc) { 78 spdk_jsonrpc_send_error_response(request, rc, spdk_strerror(-rc)); 79 goto cleanup; 80 } 81 82 83 w = spdk_jsonrpc_begin_result(request); 84 spdk_json_write_string(w, req.name); 85 spdk_jsonrpc_end_result(request, w); 86 87 cleanup: 88 free_rpc_construct_aio(&req); 89 } 90 SPDK_RPC_REGISTER("bdev_aio_create", rpc_bdev_aio_create, SPDK_RPC_RUNTIME) 91 SPDK_RPC_REGISTER_ALIAS_DEPRECATED(bdev_aio_create, construct_aio_bdev) 92 93 struct rpc_delete_aio { 94 char *name; 95 }; 96 97 static void 98 free_rpc_delete_aio(struct rpc_delete_aio *r) 99 { 100 free(r->name); 101 } 102 103 static const struct spdk_json_object_decoder rpc_delete_aio_decoders[] = { 104 {"name", offsetof(struct rpc_delete_aio, name), spdk_json_decode_string}, 105 }; 106 107 static void 108 _rpc_bdev_aio_delete_cb(void *cb_arg, int bdeverrno) 109 { 110 struct spdk_jsonrpc_request *request = cb_arg; 111 struct spdk_json_write_ctx *w = spdk_jsonrpc_begin_result(request); 112 113 spdk_json_write_bool(w, bdeverrno == 0); 114 spdk_jsonrpc_end_result(request, w); 115 } 116 117 static void 118 rpc_bdev_aio_delete(struct spdk_jsonrpc_request *request, 119 const struct spdk_json_val *params) 120 { 121 struct rpc_delete_aio req = {NULL}; 122 struct spdk_bdev *bdev; 123 124 if (spdk_json_decode_object(params, rpc_delete_aio_decoders, 125 SPDK_COUNTOF(rpc_delete_aio_decoders), 126 &req)) { 127 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR, 128 "spdk_json_decode_object failed"); 129 goto cleanup; 130 } 131 132 bdev = spdk_bdev_get_by_name(req.name); 133 if (bdev == NULL) { 134 spdk_jsonrpc_send_error_response(request, -ENODEV, spdk_strerror(ENODEV)); 135 goto cleanup; 136 } 137 138 bdev_aio_delete(bdev, _rpc_bdev_aio_delete_cb, request); 139 140 free_rpc_delete_aio(&req); 141 142 return; 143 144 cleanup: 145 free_rpc_delete_aio(&req); 146 } 147 SPDK_RPC_REGISTER("bdev_aio_delete", rpc_bdev_aio_delete, SPDK_RPC_RUNTIME) 148 SPDK_RPC_REGISTER_ALIAS_DEPRECATED(bdev_aio_delete, delete_aio_bdev) 149