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 "vbdev_crypto.h" 35 36 /* Structure to hold the parameters for this RPC method. */ 37 struct rpc_construct_crypto { 38 char *base_bdev_name; 39 char *name; 40 char *crypto_pmd; 41 char *key; 42 }; 43 44 /* Free the allocated memory resource after the RPC handling. */ 45 static void 46 free_rpc_construct_crypto(struct rpc_construct_crypto *r) 47 { 48 free(r->base_bdev_name); 49 free(r->name); 50 free(r->crypto_pmd); 51 free(r->key); 52 } 53 54 /* Structure to decode the input parameters for this RPC method. */ 55 static const struct spdk_json_object_decoder rpc_construct_crypto_decoders[] = { 56 {"base_bdev_name", offsetof(struct rpc_construct_crypto, base_bdev_name), spdk_json_decode_string}, 57 {"name", offsetof(struct rpc_construct_crypto, name), spdk_json_decode_string}, 58 {"crypto_pmd", offsetof(struct rpc_construct_crypto, crypto_pmd), spdk_json_decode_string}, 59 {"key", offsetof(struct rpc_construct_crypto, key), spdk_json_decode_string}, 60 }; 61 62 /* Decode the parameters for this RPC method and properly construct the crypto 63 * device. Error status returned in the failed cases. 64 */ 65 static void 66 spdk_rpc_bdev_crypto_create(struct spdk_jsonrpc_request *request, 67 const struct spdk_json_val *params) 68 { 69 struct rpc_construct_crypto req = {NULL}; 70 struct spdk_json_write_ctx *w; 71 int rc; 72 73 if (spdk_json_decode_object(params, rpc_construct_crypto_decoders, 74 SPDK_COUNTOF(rpc_construct_crypto_decoders), 75 &req)) { 76 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, 77 "Invalid parameters"); 78 goto cleanup; 79 } 80 81 rc = create_crypto_disk(req.base_bdev_name, req.name, 82 req.crypto_pmd, req.key); 83 if (rc) { 84 spdk_jsonrpc_send_error_response(request, rc, spdk_strerror(-rc)); 85 goto cleanup; 86 } 87 88 w = spdk_jsonrpc_begin_result(request); 89 spdk_json_write_string(w, req.name); 90 spdk_jsonrpc_end_result(request, w); 91 free_rpc_construct_crypto(&req); 92 return; 93 94 cleanup: 95 free_rpc_construct_crypto(&req); 96 } 97 SPDK_RPC_REGISTER("bdev_crypto_create", spdk_rpc_bdev_crypto_create, SPDK_RPC_RUNTIME) 98 SPDK_RPC_REGISTER_ALIAS_DEPRECATED(bdev_crypto_create, construct_crypto_bdev) 99 100 struct rpc_delete_crypto { 101 char *name; 102 }; 103 104 static void 105 free_rpc_delete_crypto(struct rpc_delete_crypto *req) 106 { 107 free(req->name); 108 } 109 110 static const struct spdk_json_object_decoder rpc_delete_crypto_decoders[] = { 111 {"name", offsetof(struct rpc_delete_crypto, name), spdk_json_decode_string}, 112 }; 113 114 static void 115 _spdk_rpc_bdev_crypto_delete_cb(void *cb_arg, int bdeverrno) 116 { 117 struct spdk_jsonrpc_request *request = cb_arg; 118 struct spdk_json_write_ctx *w = spdk_jsonrpc_begin_result(request); 119 120 spdk_json_write_bool(w, bdeverrno == 0); 121 spdk_jsonrpc_end_result(request, w); 122 } 123 124 static void 125 spdk_rpc_bdev_crypto_delete(struct spdk_jsonrpc_request *request, 126 const struct spdk_json_val *params) 127 { 128 struct rpc_delete_crypto req = {NULL}; 129 struct spdk_bdev *bdev; 130 131 if (spdk_json_decode_object(params, rpc_delete_crypto_decoders, 132 SPDK_COUNTOF(rpc_delete_crypto_decoders), 133 &req)) { 134 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, 135 "Invalid parameters"); 136 goto cleanup; 137 } 138 139 bdev = spdk_bdev_get_by_name(req.name); 140 if (bdev == NULL) { 141 spdk_jsonrpc_send_error_response(request, -ENODEV, spdk_strerror(ENODEV)); 142 goto cleanup; 143 } 144 145 delete_crypto_disk(bdev, _spdk_rpc_bdev_crypto_delete_cb, request); 146 147 free_rpc_delete_crypto(&req); 148 149 return; 150 151 cleanup: 152 free_rpc_delete_crypto(&req); 153 } 154 SPDK_RPC_REGISTER("bdev_crypto_delete", spdk_rpc_bdev_crypto_delete, SPDK_RPC_RUNTIME) 155 SPDK_RPC_REGISTER_ALIAS_DEPRECATED(bdev_crypto_delete, delete_crypto_bdev) 156