1 /* SPDX-License-Identifier: BSD-3-Clause 2 * Copyright (C) 2017 Intel Corporation. 3 * All rights reserved. 4 */ 5 6 #include "spdk/stdinc.h" 7 #include "spdk/string.h" 8 #include "spdk/rpc.h" 9 #include "spdk/util.h" 10 #include "spdk/string.h" 11 #include "spdk/log.h" 12 #include "vbdev_error.h" 13 14 static int 15 rpc_error_bdev_decode_io_type(const struct spdk_json_val *val, void *out) 16 { 17 uint32_t *io_type = out; 18 19 if (spdk_json_strequal(val, "read") == true) { 20 *io_type = SPDK_BDEV_IO_TYPE_READ; 21 } else if (spdk_json_strequal(val, "write") == true) { 22 *io_type = SPDK_BDEV_IO_TYPE_WRITE; 23 } else if (spdk_json_strequal(val, "flush") == true) { 24 *io_type = SPDK_BDEV_IO_TYPE_FLUSH; 25 } else if (spdk_json_strequal(val, "unmap") == true) { 26 *io_type = SPDK_BDEV_IO_TYPE_UNMAP; 27 } else if (spdk_json_strequal(val, "all") == true) { 28 *io_type = 0xffffffff; 29 } else if (spdk_json_strequal(val, "clear") == true) { 30 *io_type = 0; 31 } else { 32 SPDK_NOTICELOG("Invalid parameter value: io_type\n"); 33 return -EINVAL; 34 } 35 36 return 0; 37 } 38 39 static int 40 rpc_error_bdev_decode_error_type(const struct spdk_json_val *val, void *out) 41 { 42 uint32_t *error_type = out; 43 44 if (spdk_json_strequal(val, "failure") == true) { 45 *error_type = VBDEV_IO_FAILURE; 46 } else if (spdk_json_strequal(val, "pending") == true) { 47 *error_type = VBDEV_IO_PENDING; 48 } else if (spdk_json_strequal(val, "corrupt_data") == true) { 49 *error_type = VBDEV_IO_CORRUPT_DATA; 50 } else { 51 SPDK_NOTICELOG("Invalid parameter value: error_type\n"); 52 return -EINVAL; 53 } 54 55 return 0; 56 } 57 58 struct rpc_bdev_error_create { 59 char *base_name; 60 }; 61 62 static void 63 free_rpc_bdev_error_create(struct rpc_bdev_error_create *req) 64 { 65 free(req->base_name); 66 } 67 68 static const struct spdk_json_object_decoder rpc_bdev_error_create_decoders[] = { 69 {"base_name", offsetof(struct rpc_bdev_error_create, base_name), spdk_json_decode_string}, 70 }; 71 72 static void 73 rpc_bdev_error_create(struct spdk_jsonrpc_request *request, 74 const struct spdk_json_val *params) 75 { 76 struct rpc_bdev_error_create req = {}; 77 int rc = 0; 78 79 if (spdk_json_decode_object(params, rpc_bdev_error_create_decoders, 80 SPDK_COUNTOF(rpc_bdev_error_create_decoders), 81 &req)) { 82 SPDK_ERRLOG("spdk_json_decode_object failed\n"); 83 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR, 84 "spdk_json_decode_object failed"); 85 goto cleanup; 86 } 87 88 rc = vbdev_error_create(req.base_name); 89 if (rc) { 90 spdk_jsonrpc_send_error_response(request, rc, spdk_strerror(-rc)); 91 goto cleanup; 92 } 93 94 spdk_jsonrpc_send_bool_response(request, true); 95 96 cleanup: 97 free_rpc_bdev_error_create(&req); 98 } 99 SPDK_RPC_REGISTER("bdev_error_create", rpc_bdev_error_create, SPDK_RPC_RUNTIME) 100 101 struct rpc_delete_error { 102 char *name; 103 }; 104 105 static void 106 free_rpc_delete_error(struct rpc_delete_error *r) 107 { 108 free(r->name); 109 } 110 111 static const struct spdk_json_object_decoder rpc_delete_error_decoders[] = { 112 {"name", offsetof(struct rpc_delete_error, name), spdk_json_decode_string}, 113 }; 114 115 static void 116 rpc_bdev_error_delete_cb(void *cb_arg, int bdeverrno) 117 { 118 struct spdk_jsonrpc_request *request = cb_arg; 119 120 if (bdeverrno == 0) { 121 spdk_jsonrpc_send_bool_response(request, true); 122 } else { 123 spdk_jsonrpc_send_error_response(request, bdeverrno, spdk_strerror(-bdeverrno)); 124 } 125 } 126 127 static void 128 rpc_bdev_error_delete(struct spdk_jsonrpc_request *request, 129 const struct spdk_json_val *params) 130 { 131 struct rpc_delete_error req = {NULL}; 132 133 if (spdk_json_decode_object(params, rpc_delete_error_decoders, 134 SPDK_COUNTOF(rpc_delete_error_decoders), 135 &req)) { 136 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR, 137 "spdk_json_decode_object failed"); 138 goto cleanup; 139 } 140 141 vbdev_error_delete(req.name, rpc_bdev_error_delete_cb, request); 142 143 cleanup: 144 free_rpc_delete_error(&req); 145 } 146 SPDK_RPC_REGISTER("bdev_error_delete", rpc_bdev_error_delete, SPDK_RPC_RUNTIME) 147 148 struct rpc_error_information { 149 char *name; 150 struct vbdev_error_inject_opts opts; 151 }; 152 153 static const struct spdk_json_object_decoder rpc_error_information_decoders[] = { 154 {"name", offsetof(struct rpc_error_information, name), spdk_json_decode_string}, 155 {"io_type", offsetof(struct rpc_error_information, opts.io_type), rpc_error_bdev_decode_io_type}, 156 {"error_type", offsetof(struct rpc_error_information, opts.error_type), rpc_error_bdev_decode_error_type}, 157 {"num", offsetof(struct rpc_error_information, opts.error_num), spdk_json_decode_uint32, true}, 158 {"corrupt_offset", offsetof(struct rpc_error_information, opts.corrupt_offset), spdk_json_decode_uint64, true}, 159 {"corrupt_value", offsetof(struct rpc_error_information, opts.corrupt_value), spdk_json_decode_uint8, true}, 160 }; 161 162 static void 163 free_rpc_error_information(struct rpc_error_information *p) 164 { 165 free(p->name); 166 } 167 168 static void 169 rpc_bdev_error_inject_error(struct spdk_jsonrpc_request *request, 170 const struct spdk_json_val *params) 171 { 172 struct rpc_error_information req = {.opts.error_num = 1}; 173 int rc = 0; 174 175 if (spdk_json_decode_object(params, rpc_error_information_decoders, 176 SPDK_COUNTOF(rpc_error_information_decoders), 177 &req)) { 178 SPDK_ERRLOG("spdk_json_decode_object failed\n"); 179 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR, 180 "spdk_json_decode_object failed"); 181 goto cleanup; 182 } 183 184 rc = vbdev_error_inject_error(req.name, &req.opts); 185 if (rc) { 186 spdk_jsonrpc_send_error_response(request, rc, spdk_strerror(-rc)); 187 goto cleanup; 188 } 189 190 spdk_jsonrpc_send_bool_response(request, true); 191 192 cleanup: 193 free_rpc_error_information(&req); 194 } 195 SPDK_RPC_REGISTER("bdev_error_inject_error", rpc_bdev_error_inject_error, SPDK_RPC_RUNTIME) 196