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_iscsi.h" 35 #include "spdk/rpc.h" 36 #include "spdk/util.h" 37 #include "spdk/string.h" 38 39 #include "spdk_internal/log.h" 40 41 struct rpc_construct_iscsi_bdev { 42 char *name; 43 char *initiator_iqn; 44 char *url; 45 }; 46 47 static const struct spdk_json_object_decoder rpc_construct_iscsi_bdev_decoders[] = { 48 {"name", offsetof(struct rpc_construct_iscsi_bdev, name), spdk_json_decode_string}, 49 {"initiator_iqn", offsetof(struct rpc_construct_iscsi_bdev, initiator_iqn), spdk_json_decode_string}, 50 {"url", offsetof(struct rpc_construct_iscsi_bdev, url), spdk_json_decode_string}, 51 }; 52 53 static void 54 free_rpc_construct_iscsi_bdev(struct rpc_construct_iscsi_bdev *req) 55 { 56 free(req->name); 57 free(req->initiator_iqn); 58 free(req->url); 59 } 60 61 static void 62 construct_iscsi_bdev_cb(void *cb_arg, struct spdk_bdev *bdev, int status) 63 { 64 struct spdk_jsonrpc_request *request = cb_arg; 65 struct spdk_json_write_ctx *w; 66 67 if (status > 0) { 68 spdk_jsonrpc_send_error_response_fmt(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, 69 "iSCSI error (%d).", status); 70 } else if (status < 0) { 71 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, 72 spdk_strerror(-status)); 73 } else { 74 w = spdk_jsonrpc_begin_result(request); 75 spdk_json_write_string(w, spdk_bdev_get_name(bdev)); 76 spdk_jsonrpc_end_result(request, w); 77 } 78 } 79 80 static void 81 spdk_rpc_construct_iscsi_bdev(struct spdk_jsonrpc_request *request, 82 const struct spdk_json_val *params) 83 { 84 struct rpc_construct_iscsi_bdev req = {}; 85 int rc = 0; 86 87 if (spdk_json_decode_object(params, rpc_construct_iscsi_bdev_decoders, 88 SPDK_COUNTOF(rpc_construct_iscsi_bdev_decoders), 89 &req)) { 90 SPDK_ERRLOG("spdk_json_decode_object failed\n"); 91 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR, 92 "spdk_json_decode_object failed"); 93 goto cleanup; 94 } 95 96 rc = create_iscsi_disk(req.name, req.url, req.initiator_iqn, construct_iscsi_bdev_cb, request); 97 if (rc) { 98 spdk_jsonrpc_send_error_response(request, rc, spdk_strerror(-rc)); 99 } 100 101 cleanup: 102 free_rpc_construct_iscsi_bdev(&req); 103 } 104 SPDK_RPC_REGISTER("construct_iscsi_bdev", spdk_rpc_construct_iscsi_bdev, SPDK_RPC_RUNTIME) 105 106 struct rpc_delete_iscsi { 107 char *name; 108 }; 109 110 static void 111 free_rpc_delete_iscsi(struct rpc_delete_iscsi *r) 112 { 113 free(r->name); 114 } 115 116 static const struct spdk_json_object_decoder rpc_delete_iscsi_decoders[] = { 117 {"name", offsetof(struct rpc_delete_iscsi, name), spdk_json_decode_string}, 118 }; 119 120 static void 121 _spdk_rpc_delete_iscsi_bdev_cb(void *cb_arg, int bdeverrno) 122 { 123 struct spdk_jsonrpc_request *request = cb_arg; 124 struct spdk_json_write_ctx *w = spdk_jsonrpc_begin_result(request); 125 126 spdk_json_write_bool(w, bdeverrno == 0); 127 spdk_jsonrpc_end_result(request, w); 128 } 129 130 static void 131 spdk_rpc_delete_iscsi_bdev(struct spdk_jsonrpc_request *request, 132 const struct spdk_json_val *params) 133 { 134 struct rpc_delete_iscsi req = {NULL}; 135 struct spdk_bdev *bdev; 136 137 if (spdk_json_decode_object(params, rpc_delete_iscsi_decoders, 138 SPDK_COUNTOF(rpc_delete_iscsi_decoders), 139 &req)) { 140 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR, 141 "spdk_json_decode_object failed"); 142 goto cleanup; 143 } 144 145 bdev = spdk_bdev_get_by_name(req.name); 146 if (bdev == NULL) { 147 spdk_jsonrpc_send_error_response(request, -ENODEV, spdk_strerror(ENODEV)); 148 goto cleanup; 149 } 150 151 delete_iscsi_disk(bdev, _spdk_rpc_delete_iscsi_bdev_cb, request); 152 153 cleanup: 154 free_rpc_delete_iscsi(&req); 155 } 156 SPDK_RPC_REGISTER("delete_iscsi_bdev", spdk_rpc_delete_iscsi_bdev, SPDK_RPC_RUNTIME) 157