diff options
Diffstat (limited to 'src/spdk/lib/bdev/split/vbdev_split_rpc.c')
| -rw-r--r-- | src/spdk/lib/bdev/split/vbdev_split_rpc.c | 151 |
1 files changed, 151 insertions, 0 deletions
diff --git a/src/spdk/lib/bdev/split/vbdev_split_rpc.c b/src/spdk/lib/bdev/split/vbdev_split_rpc.c new file mode 100644 index 00000000..fe70346f --- /dev/null +++ b/src/spdk/lib/bdev/split/vbdev_split_rpc.c @@ -0,0 +1,151 @@ +/*- + * BSD LICENSE + * + * Copyright (c) Intel Corporation. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include "spdk/rpc.h" +#include "spdk/util.h" +#include "spdk/string.h" + +#include "vbdev_split.h" +#include "spdk_internal/log.h" + +struct rpc_construct_split { + char *base_bdev; + uint32_t split_count; + uint64_t split_size_mb; +}; + +static const struct spdk_json_object_decoder rpc_construct_split_decoders[] = { + {"base_bdev", offsetof(struct rpc_construct_split, base_bdev), spdk_json_decode_string}, + {"split_count", offsetof(struct rpc_construct_split, split_count), spdk_json_decode_uint32}, + {"split_size_mb", offsetof(struct rpc_construct_split, split_size_mb), spdk_json_decode_uint64, true}, +}; + +static void +spdk_rpc_construct_split_vbdev(struct spdk_jsonrpc_request *request, + const struct spdk_json_val *params) +{ + struct rpc_construct_split req = {}; + struct spdk_json_write_ctx *w; + struct spdk_bdev *base_bdev; + int rc; + + if (spdk_json_decode_object(params, rpc_construct_split_decoders, + SPDK_COUNTOF(rpc_construct_split_decoders), + &req)) { + SPDK_ERRLOG("spdk_json_decode_object failed\n"); + spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, "Invalid parameters"); + goto out; + } + + rc = create_vbdev_split(req.base_bdev, req.split_count, req.split_size_mb); + if (rc < 0) { + spdk_jsonrpc_send_error_response_fmt(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, + "Failed to create %"PRIu32" split bdevs from '%s': %s", + req.split_count, req.base_bdev, spdk_strerror(-rc)); + goto out; + } + + w = spdk_jsonrpc_begin_result(request); + if (w == NULL) { + goto out; + } + + spdk_json_write_array_begin(w); + + base_bdev = spdk_bdev_get_by_name(req.base_bdev); + if (base_bdev != NULL) { + struct spdk_bdev_part_base *split_base; + struct bdev_part_tailq *split_base_tailq; + struct spdk_bdev_part *split_part; + struct spdk_bdev *split_bdev; + + split_base = spdk_vbdev_split_get_part_base(base_bdev); + + assert(split_base != NULL); + + split_base_tailq = spdk_bdev_part_base_get_tailq(split_base); + TAILQ_FOREACH(split_part, split_base_tailq, tailq) { + split_bdev = spdk_bdev_part_get_bdev(split_part); + spdk_json_write_string(w, spdk_bdev_get_name(split_bdev)); + } + } + + spdk_json_write_array_end(w); + spdk_jsonrpc_end_result(request, w); + +out: + free(req.base_bdev); +} +SPDK_RPC_REGISTER("construct_split_vbdev", spdk_rpc_construct_split_vbdev, SPDK_RPC_RUNTIME) + +struct rpc_destruct_split { + char *base_bdev; +}; + +static const struct spdk_json_object_decoder rpc_destruct_split_decoders[] = { + {"base_bdev", offsetof(struct rpc_destruct_split, base_bdev), spdk_json_decode_string}, +}; + +static void +spdk_rpc_destruct_split(struct spdk_jsonrpc_request *request, + const struct spdk_json_val *params) +{ + struct rpc_destruct_split req = {}; + struct spdk_json_write_ctx *w; + int rc; + + if (spdk_json_decode_object(params, rpc_destruct_split_decoders, + SPDK_COUNTOF(rpc_destruct_split_decoders), + &req)) { + SPDK_ERRLOG("spdk_json_decode_object failed\n"); + spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, "Invalid parameters"); + goto out; + } + + rc = spdk_vbdev_split_destruct(req.base_bdev); + if (rc < 0) { + spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, spdk_strerror(-rc)); + goto out; + } + + w = spdk_jsonrpc_begin_result(request); + if (w == NULL) { + goto out; + } + + spdk_json_write_bool(w, true); + spdk_jsonrpc_end_result(request, w); +out: + free(req.base_bdev); +} +SPDK_RPC_REGISTER("destruct_split_vbdev", spdk_rpc_destruct_split, SPDK_RPC_RUNTIME) |