1 files changed, 252 insertions, 0 deletions
diff --git a/src/spdk/module/bdev/rbd/bdev_rbd_rpc.c b/src/spdk/module/bdev/rbd/bdev_rbd_rpc.c
new file mode 100644
index 000000000..c60c83a58
--- /dev/null
+++ b/src/spdk/module/bdev/rbd/bdev_rbd_rpc.c
@@ -0,0 +1,252 @@
+/*-
+ *   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_rbd.h"
+#include "spdk/rpc.h"
+#include "spdk/util.h"
+#include "spdk/string.h"
+#include "spdk_internal/log.h"
+
+struct rpc_create_rbd {
+	char *name;
+	char *user_id;
+	char *pool_name;
+	char *rbd_name;
+	uint32_t block_size;
+	char **config;
+};
+
+static void
+free_rpc_create_rbd(struct rpc_create_rbd *req)
+{
+	free(req->name);
+	free(req->user_id);
+	free(req->pool_name);
+	free(req->rbd_name);
+	bdev_rbd_free_config(req->config);
+}
+
+static int
+bdev_rbd_decode_config(const struct spdk_json_val *values, void *out)
+{
+	char ***map = out;
+	char **entry;
+	uint32_t i;
+
+	if (values->type == SPDK_JSON_VAL_NULL) {
+		/* treated like empty object: empty config */
+		*map = calloc(1, sizeof(**map));
+		if (!*map) {
+			return -1;
+		}
+		return 0;
+	}
+
+	if (values->type != SPDK_JSON_VAL_OBJECT_BEGIN) {
+		return -1;
+	}
+
+	*map = calloc(values->len + 1, sizeof(**map));
+	if (!*map) {
+		return -1;
+	}
+
+	for (i = 0, entry = *map; i < values->len;) {
+		const struct spdk_json_val *name = &values[i + 1];
+		const struct spdk_json_val *v = &values[i + 2];
+		/* Here we catch errors like invalid types. */
+		if (!(entry[0] = spdk_json_strdup(name)) ||
+		    !(entry[1] = spdk_json_strdup(v))) {
+			bdev_rbd_free_config(*map);
+			*map = NULL;
+			return -1;
+		}
+		i += 1 + spdk_json_val_len(v);
+		entry += 2;
+	}
+
+	return 0;
+}
+
+static const struct spdk_json_object_decoder rpc_create_rbd_decoders[] = {
+	{"name", offsetof(struct rpc_create_rbd, name), spdk_json_decode_string, true},
+	{"user_id", offsetof(struct rpc_create_rbd, user_id), spdk_json_decode_string, true},
+	{"pool_name", offsetof(struct rpc_create_rbd, pool_name), spdk_json_decode_string},
+	{"rbd_name", offsetof(struct rpc_create_rbd, rbd_name), spdk_json_decode_string},
+	{"block_size", offsetof(struct rpc_create_rbd, block_size), spdk_json_decode_uint32},
+	{"config", offsetof(struct rpc_create_rbd, config), bdev_rbd_decode_config, true}
+};
+
+static void
+rpc_bdev_rbd_create(struct spdk_jsonrpc_request *request,
+		    const struct spdk_json_val *params)
+{
+	struct rpc_create_rbd req = {};
+	struct spdk_json_write_ctx *w;
+	struct spdk_bdev *bdev;
+	int rc = 0;
+
+	if (spdk_json_decode_object(params, rpc_create_rbd_decoders,
+				    SPDK_COUNTOF(rpc_create_rbd_decoders),
+				    &req)) {
+		SPDK_DEBUGLOG(SPDK_LOG_BDEV_RBD, "spdk_json_decode_object failed\n");
+		spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
+						 "spdk_json_decode_object failed");
+		goto cleanup;
+	}
+
+	rc = bdev_rbd_create(&bdev, req.name, req.user_id, req.pool_name,
+			     (const char *const *)req.config,
+			     req.rbd_name,
+			     req.block_size);
+	if (rc) {
+		spdk_jsonrpc_send_error_response(request, rc, spdk_strerror(-rc));
+		goto cleanup;
+	}
+
+	w = spdk_jsonrpc_begin_result(request);
+	spdk_json_write_string(w, spdk_bdev_get_name(bdev));
+	spdk_jsonrpc_end_result(request, w);
+
+cleanup:
+	free_rpc_create_rbd(&req);
+}
+SPDK_RPC_REGISTER("bdev_rbd_create", rpc_bdev_rbd_create, SPDK_RPC_RUNTIME)
+SPDK_RPC_REGISTER_ALIAS_DEPRECATED(bdev_rbd_create, construct_rbd_bdev)
+
+struct rpc_bdev_rbd_delete {
+	char *name;
+};
+
+static void
+free_rpc_bdev_rbd_delete(struct rpc_bdev_rbd_delete *req)
+{
+	free(req->name);
+}
+
+static const struct spdk_json_object_decoder rpc_bdev_rbd_delete_decoders[] = {
+	{"name", offsetof(struct rpc_bdev_rbd_delete, name), spdk_json_decode_string},
+};
+
+static void
+_rpc_bdev_rbd_delete_cb(void *cb_arg, int bdeverrno)
+{
+	struct spdk_jsonrpc_request *request = cb_arg;
+	struct spdk_json_write_ctx *w;
+
+	w = spdk_jsonrpc_begin_result(request);
+	spdk_json_write_bool(w, bdeverrno == 0);
+	spdk_jsonrpc_end_result(request, w);
+}
+
+static void
+rpc_bdev_rbd_delete(struct spdk_jsonrpc_request *request,
+		    const struct spdk_json_val *params)
+{
+	struct rpc_bdev_rbd_delete req = {NULL};
+	struct spdk_bdev *bdev;
+
+	if (spdk_json_decode_object(params, rpc_bdev_rbd_delete_decoders,
+				    SPDK_COUNTOF(rpc_bdev_rbd_delete_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;
+	}
+
+	bdev_rbd_delete(bdev, _rpc_bdev_rbd_delete_cb, request);
+
+cleanup:
+	free_rpc_bdev_rbd_delete(&req);
+}
+SPDK_RPC_REGISTER("bdev_rbd_delete", rpc_bdev_rbd_delete, SPDK_RPC_RUNTIME)
+SPDK_RPC_REGISTER_ALIAS_DEPRECATED(bdev_rbd_delete, delete_rbd_bdev)
+
+struct rpc_bdev_rbd_resize {
+	char *name;
+	uint64_t new_size;
+};
+
+static const struct spdk_json_object_decoder rpc_bdev_rbd_resize_decoders[] = {
+	{"name", offsetof(struct rpc_bdev_rbd_resize, name), spdk_json_decode_string},
+	{"new_size", offsetof(struct rpc_bdev_rbd_resize, new_size), spdk_json_decode_uint64}
+};
+
+static void
+free_rpc_bdev_rbd_resize(struct rpc_bdev_rbd_resize *req)
+{
+	free(req->name);
+}
+
+static void
+rpc_bdev_rbd_resize(struct spdk_jsonrpc_request *request,
+		    const struct spdk_json_val *params)
+{
+	struct rpc_bdev_rbd_resize req = {};
+	struct spdk_bdev *bdev;
+	struct spdk_json_write_ctx *w;
+	int rc;
+
+	if (spdk_json_decode_object(params, rpc_bdev_rbd_resize_decoders,
+				    SPDK_COUNTOF(rpc_bdev_rbd_resize_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;
+	}
+
+	rc = bdev_rbd_resize(bdev, req.new_size);
+	if (rc) {
+		spdk_jsonrpc_send_error_response(request, rc, spdk_strerror(-rc));
+		goto cleanup;
+	}
+
+	w = spdk_jsonrpc_begin_result(request);
+	spdk_json_write_bool(w, true);
+	spdk_jsonrpc_end_result(request, w);
+cleanup:
+	free_rpc_bdev_rbd_resize(&req);
+}
+SPDK_RPC_REGISTER("bdev_rbd_resize", rpc_bdev_rbd_resize, SPDK_RPC_RUNTIME)