1 /* SPDX-License-Identifier: BSD-3-Clause 2 * Copyright (C) 2016 Intel Corporation. 3 * All rights reserved. 4 * Copyright (c) 2021 NVIDIA CORPORATION & AFFILIATES. All rights reserved. 5 */ 6 7 #include "bdev_malloc.h" 8 #include "spdk/rpc.h" 9 #include "spdk/string.h" 10 #include "spdk/log.h" 11 12 static void 13 free_rpc_construct_malloc(struct malloc_bdev_opts *r) 14 { 15 free(r->name); 16 } 17 18 static const struct spdk_json_object_decoder rpc_construct_malloc_decoders[] = { 19 {"name", offsetof(struct malloc_bdev_opts, name), spdk_json_decode_string, true}, 20 {"uuid", offsetof(struct malloc_bdev_opts, uuid), spdk_json_decode_uuid, true}, 21 {"num_blocks", offsetof(struct malloc_bdev_opts, num_blocks), spdk_json_decode_uint64}, 22 {"block_size", offsetof(struct malloc_bdev_opts, block_size), spdk_json_decode_uint32}, 23 {"physical_block_size", offsetof(struct malloc_bdev_opts, physical_block_size), spdk_json_decode_uint32, true}, 24 {"optimal_io_boundary", offsetof(struct malloc_bdev_opts, optimal_io_boundary), spdk_json_decode_uint32, true}, 25 {"md_size", offsetof(struct malloc_bdev_opts, md_size), spdk_json_decode_uint32, true}, 26 {"md_interleave", offsetof(struct malloc_bdev_opts, md_interleave), spdk_json_decode_bool, true}, 27 {"dif_type", offsetof(struct malloc_bdev_opts, dif_type), spdk_json_decode_int32, true}, 28 {"dif_is_head_of_md", offsetof(struct malloc_bdev_opts, dif_is_head_of_md), spdk_json_decode_bool, true}, 29 }; 30 31 static void 32 rpc_bdev_malloc_create(struct spdk_jsonrpc_request *request, 33 const struct spdk_json_val *params) 34 { 35 struct malloc_bdev_opts req = {NULL}; 36 struct spdk_json_write_ctx *w; 37 struct spdk_bdev *bdev; 38 int rc = 0; 39 40 if (spdk_json_decode_object(params, rpc_construct_malloc_decoders, 41 SPDK_COUNTOF(rpc_construct_malloc_decoders), 42 &req)) { 43 SPDK_DEBUGLOG(bdev_malloc, "spdk_json_decode_object failed\n"); 44 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR, 45 "spdk_json_decode_object failed"); 46 goto cleanup; 47 } 48 49 rc = create_malloc_disk(&bdev, &req); 50 if (rc) { 51 spdk_jsonrpc_send_error_response(request, rc, spdk_strerror(-rc)); 52 goto cleanup; 53 } 54 55 free_rpc_construct_malloc(&req); 56 57 w = spdk_jsonrpc_begin_result(request); 58 spdk_json_write_string(w, spdk_bdev_get_name(bdev)); 59 spdk_jsonrpc_end_result(request, w); 60 return; 61 62 cleanup: 63 free_rpc_construct_malloc(&req); 64 } 65 SPDK_RPC_REGISTER("bdev_malloc_create", rpc_bdev_malloc_create, SPDK_RPC_RUNTIME) 66 67 struct rpc_delete_malloc { 68 char *name; 69 }; 70 71 static void 72 free_rpc_delete_malloc(struct rpc_delete_malloc *r) 73 { 74 free(r->name); 75 } 76 77 static const struct spdk_json_object_decoder rpc_delete_malloc_decoders[] = { 78 {"name", offsetof(struct rpc_delete_malloc, name), spdk_json_decode_string}, 79 }; 80 81 static void 82 rpc_bdev_malloc_delete_cb(void *cb_arg, int bdeverrno) 83 { 84 struct spdk_jsonrpc_request *request = cb_arg; 85 86 if (bdeverrno == 0) { 87 spdk_jsonrpc_send_bool_response(request, true); 88 } else { 89 spdk_jsonrpc_send_error_response(request, bdeverrno, spdk_strerror(-bdeverrno)); 90 } 91 } 92 93 static void 94 rpc_bdev_malloc_delete(struct spdk_jsonrpc_request *request, 95 const struct spdk_json_val *params) 96 { 97 struct rpc_delete_malloc req = {NULL}; 98 99 if (spdk_json_decode_object(params, rpc_delete_malloc_decoders, 100 SPDK_COUNTOF(rpc_delete_malloc_decoders), 101 &req)) { 102 SPDK_DEBUGLOG(bdev_malloc, "spdk_json_decode_object failed\n"); 103 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR, 104 "spdk_json_decode_object failed"); 105 goto cleanup; 106 } 107 108 delete_malloc_disk(req.name, rpc_bdev_malloc_delete_cb, request); 109 110 cleanup: 111 free_rpc_delete_malloc(&req); 112 } 113 SPDK_RPC_REGISTER("bdev_malloc_delete", rpc_bdev_malloc_delete, SPDK_RPC_RUNTIME) 114