diff options
Diffstat (limited to 'src/spdk/lib/bdev/bdev_rpc.c')
| -rw-r--r-- | src/spdk/lib/bdev/bdev_rpc.c | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/src/spdk/lib/bdev/bdev_rpc.c b/src/spdk/lib/bdev/bdev_rpc.c new file mode 100644 index 000000000..6ce7136c4 --- /dev/null +++ b/src/spdk/lib/bdev/bdev_rpc.c @@ -0,0 +1,98 @@ +/*- + * 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/bdev.h" + +#include "spdk/rpc.h" +#include "spdk/util.h" +#include "spdk/string.h" + +#include "spdk_internal/log.h" + +struct spdk_rpc_set_bdev_opts { + uint32_t bdev_io_pool_size; + uint32_t bdev_io_cache_size; + bool bdev_auto_examine; +}; + +static const struct spdk_json_object_decoder rpc_set_bdev_opts_decoders[] = { + {"bdev_io_pool_size", offsetof(struct spdk_rpc_set_bdev_opts, bdev_io_pool_size), spdk_json_decode_uint32, true}, + {"bdev_io_cache_size", offsetof(struct spdk_rpc_set_bdev_opts, bdev_io_cache_size), spdk_json_decode_uint32, true}, + {"bdev_auto_examine", offsetof(struct spdk_rpc_set_bdev_opts, bdev_auto_examine), spdk_json_decode_bool, true}, +}; + +static void +rpc_bdev_set_options(struct spdk_jsonrpc_request *request, const struct spdk_json_val *params) +{ + struct spdk_rpc_set_bdev_opts rpc_opts; + struct spdk_bdev_opts bdev_opts; + struct spdk_json_write_ctx *w; + int rc; + + rpc_opts.bdev_io_pool_size = UINT32_MAX; + rpc_opts.bdev_io_cache_size = UINT32_MAX; + rpc_opts.bdev_auto_examine = true; + + if (params != NULL) { + if (spdk_json_decode_object(params, rpc_set_bdev_opts_decoders, + SPDK_COUNTOF(rpc_set_bdev_opts_decoders), &rpc_opts)) { + SPDK_ERRLOG("spdk_json_decode_object() failed\n"); + spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, + "Invalid parameters"); + return; + } + } + + spdk_bdev_get_opts(&bdev_opts); + if (rpc_opts.bdev_io_pool_size != UINT32_MAX) { + bdev_opts.bdev_io_pool_size = rpc_opts.bdev_io_pool_size; + } + if (rpc_opts.bdev_io_cache_size != UINT32_MAX) { + bdev_opts.bdev_io_cache_size = rpc_opts.bdev_io_cache_size; + } + bdev_opts.bdev_auto_examine = rpc_opts.bdev_auto_examine; + rc = spdk_bdev_set_opts(&bdev_opts); + + if (rc != 0) { + spdk_jsonrpc_send_error_response_fmt(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, + "Pool size %" PRIu32 " too small for cache size %" PRIu32, + bdev_opts.bdev_io_pool_size, bdev_opts.bdev_io_cache_size); + return; + } + + w = spdk_jsonrpc_begin_result(request); + spdk_json_write_bool(w, true); + spdk_jsonrpc_end_result(request, w); +} +SPDK_RPC_REGISTER("bdev_set_options", rpc_bdev_set_options, SPDK_RPC_STARTUP) +SPDK_RPC_REGISTER_ALIAS_DEPRECATED(bdev_set_options, set_bdev_options) |