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 {"dif_pi_format", offsetof(struct malloc_bdev_opts, dif_pi_format), spdk_json_decode_uint32, true}, 30 }; 31 32 static void 33 rpc_bdev_malloc_create(struct spdk_jsonrpc_request *request, 34 const struct spdk_json_val *params) 35 { 36 struct malloc_bdev_opts req = {NULL}; 37 struct spdk_json_write_ctx *w; 38 struct spdk_bdev *bdev; 39 int rc = 0; 40 41 if (spdk_json_decode_object(params, rpc_construct_malloc_decoders, 42 SPDK_COUNTOF(rpc_construct_malloc_decoders), 43 &req)) { 44 SPDK_DEBUGLOG(bdev_malloc, "spdk_json_decode_object failed\n"); 45 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR, 46 "spdk_json_decode_object failed"); 47 goto cleanup; 48 } 49 50 rc = create_malloc_disk(&bdev, &req); 51 if (rc) { 52 spdk_jsonrpc_send_error_response(request, rc, spdk_strerror(-rc)); 53 goto cleanup; 54 } 55 56 free_rpc_construct_malloc(&req); 57 58 w = spdk_jsonrpc_begin_result(request); 59 spdk_json_write_string(w, spdk_bdev_get_name(bdev)); 60 spdk_jsonrpc_end_result(request, w); 61 return; 62 63 cleanup: 64 free_rpc_construct_malloc(&req); 65 } 66 SPDK_RPC_REGISTER("bdev_malloc_create", rpc_bdev_malloc_create, SPDK_RPC_RUNTIME) 67 68 struct rpc_delete_malloc { 69 char *name; 70 }; 71 72 static void 73 free_rpc_delete_malloc(struct rpc_delete_malloc *r) 74 { 75 free(r->name); 76 } 77 78 static const struct spdk_json_object_decoder rpc_delete_malloc_decoders[] = { 79 {"name", offsetof(struct rpc_delete_malloc, name), spdk_json_decode_string}, 80 }; 81 82 static void 83 rpc_bdev_malloc_delete_cb(void *cb_arg, int bdeverrno) 84 { 85 struct spdk_jsonrpc_request *request = cb_arg; 86 87 if (bdeverrno == 0) { 88 spdk_jsonrpc_send_bool_response(request, true); 89 } else { 90 spdk_jsonrpc_send_error_response(request, bdeverrno, spdk_strerror(-bdeverrno)); 91 } 92 } 93 94 static void 95 rpc_bdev_malloc_delete(struct spdk_jsonrpc_request *request, 96 const struct spdk_json_val *params) 97 { 98 struct rpc_delete_malloc req = {NULL}; 99 100 if (spdk_json_decode_object(params, rpc_delete_malloc_decoders, 101 SPDK_COUNTOF(rpc_delete_malloc_decoders), 102 &req)) { 103 SPDK_DEBUGLOG(bdev_malloc, "spdk_json_decode_object failed\n"); 104 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR, 105 "spdk_json_decode_object failed"); 106 goto cleanup; 107 } 108 109 delete_malloc_disk(req.name, rpc_bdev_malloc_delete_cb, request); 110 111 cleanup: 112 free_rpc_delete_malloc(&req); 113 } 114 SPDK_RPC_REGISTER("bdev_malloc_delete", rpc_bdev_malloc_delete, SPDK_RPC_RUNTIME) 115