diff options
Diffstat (limited to 'src/spdk/module/bdev/uring/bdev_uring_rpc.c')
-rw-r--r-- | src/spdk/module/bdev/uring/bdev_uring_rpc.c | 150 |
1 files changed, 150 insertions, 0 deletions
diff --git a/src/spdk/module/bdev/uring/bdev_uring_rpc.c b/src/spdk/module/bdev/uring/bdev_uring_rpc.c new file mode 100644 index 000000000..e65751002 --- /dev/null +++ b/src/spdk/module/bdev/uring/bdev_uring_rpc.c @@ -0,0 +1,150 @@ +/*- + * 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 "bdev_uring.h" +#include "spdk/rpc.h" +#include "spdk/util.h" +#include "spdk/string.h" +#include "spdk_internal/log.h" + +/* Structure to hold the parameters for this RPC method. */ +struct rpc_create_uring { + char *name; + char *filename; + uint32_t block_size; +}; + +/* Free the allocated memory resource after the RPC handling. */ +static void +free_rpc_create_uring(struct rpc_create_uring *r) +{ + free(r->name); + free(r->filename); +} + +/* Structure to decode the input parameters for this RPC method. */ +static const struct spdk_json_object_decoder rpc_create_uring_decoders[] = { + {"name", offsetof(struct rpc_create_uring, name), spdk_json_decode_string}, + {"filename", offsetof(struct rpc_create_uring, filename), spdk_json_decode_string}, + {"block_size", offsetof(struct rpc_create_uring, block_size), spdk_json_decode_uint32, true}, +}; + +/* Decode the parameters for this RPC method and properly create the uring + * device. Error status returned in the failed cases. + */ +static void +rpc_bdev_uring_create(struct spdk_jsonrpc_request *request, + const struct spdk_json_val *params) +{ + struct rpc_create_uring req = {}; + struct spdk_json_write_ctx *w; + struct spdk_bdev *bdev; + + if (spdk_json_decode_object(params, rpc_create_uring_decoders, + SPDK_COUNTOF(rpc_create_uring_decoders), + &req)) { + SPDK_ERRLOG("spdk_json_decode_object failed\n"); + spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR, + "spdk_json_decode_object failed"); + goto cleanup; + } + + bdev = create_uring_bdev(req.name, req.filename, req.block_size); + if (!bdev) { + SPDK_ERRLOG("Unable to create URING bdev from file %s\n", req.filename); + spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR, + "Unable to create URING bdev."); + goto cleanup; + } + + w = spdk_jsonrpc_begin_result(request); + spdk_json_write_string(w, req.name); + spdk_jsonrpc_end_result(request, w); + +cleanup: + free_rpc_create_uring(&req); +} +SPDK_RPC_REGISTER("bdev_uring_create", rpc_bdev_uring_create, SPDK_RPC_RUNTIME) + +struct rpc_delete_uring { + char *name; +}; + +static void +free_rpc_delete_uring(struct rpc_delete_uring *req) +{ + free(req->name); +} + +static const struct spdk_json_object_decoder rpc_delete_uring_decoders[] = { + {"name", offsetof(struct rpc_delete_uring, name), spdk_json_decode_string}, +}; + +static void +_rpc_bdev_uring_delete_cb(void *cb_arg, int bdeverrno) +{ + struct spdk_jsonrpc_request *request = cb_arg; + struct spdk_json_write_ctx *w = spdk_jsonrpc_begin_result(request); + + spdk_json_write_bool(w, bdeverrno == 0); + spdk_jsonrpc_end_result(request, w); + +} + +static void +rpc_bdev_uring_delete(struct spdk_jsonrpc_request *request, + const struct spdk_json_val *params) +{ + struct rpc_delete_uring req = {NULL}; + struct spdk_bdev *bdev; + + if (spdk_json_decode_object(params, rpc_delete_uring_decoders, + SPDK_COUNTOF(rpc_delete_uring_decoders), + &req)) { + spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR, + "spdk_json_decode_object failed"); + goto cleanup; + } + + bdev = spdk_bdev_get_by_name(req.name); + if (bdev == NULL) { + spdk_jsonrpc_send_error_response(request, -ENODEV, spdk_strerror(ENODEV)); + goto cleanup; + } + + delete_uring_bdev(bdev, _rpc_bdev_uring_delete_cb, request); + +cleanup: + free_rpc_delete_uring(&req); +} +SPDK_RPC_REGISTER("bdev_uring_delete", rpc_bdev_uring_delete, SPDK_RPC_RUNTIME) |