--- /dev/null
+/*-
+ * 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)
projects / ceph.git / blobdiff