--- /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 "vbdev_compress.h"
+#include "spdk/rpc.h"
+#include "spdk/util.h"
+#include "spdk/string.h"
+#include "spdk_internal/log.h"
+
+struct rpc_bdev_compress_get_orphans {
+ char *name;
+};
+
+static void
+free_rpc_bdev_compress_get_orphans(struct rpc_bdev_compress_get_orphans *r)
+{
+ free(r->name);
+}
+
+static const struct spdk_json_object_decoder rpc_bdev_compress_get_orphans_decoders[] = {
+ {"name", offsetof(struct rpc_bdev_compress_get_orphans, name), spdk_json_decode_string, true},
+};
+
+static void
+rpc_bdev_compress_get_orphans(struct spdk_jsonrpc_request *request,
+ const struct spdk_json_val *params)
+{
+ struct rpc_bdev_compress_get_orphans req = {};
+ struct spdk_json_write_ctx *w;
+ struct vbdev_compress *comp_bdev;
+ bool found = false;
+
+
+ if (params && spdk_json_decode_object(params, rpc_bdev_compress_get_orphans_decoders,
+ SPDK_COUNTOF(rpc_bdev_compress_get_orphans_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");
+ free_rpc_bdev_compress_get_orphans(&req);
+ return;
+ }
+
+ if (req.name) {
+ if (compress_has_orphan(req.name) == false) {
+ spdk_jsonrpc_send_error_response(request, -ENODEV, spdk_strerror(ENODEV));
+ free_rpc_bdev_compress_get_orphans(&req);
+ return;
+ }
+ found = true;
+ }
+
+ w = spdk_jsonrpc_begin_result(request);
+ spdk_json_write_array_begin(w);
+ if (found) {
+ spdk_json_write_string(w, req.name);
+ } else {
+ for (comp_bdev = compress_bdev_first(); comp_bdev != NULL;
+ comp_bdev = compress_bdev_next(comp_bdev)) {
+ if (compress_has_orphan(compress_get_name(comp_bdev))) {
+ spdk_json_write_string(w, compress_get_name(comp_bdev));
+ }
+ }
+ }
+ spdk_json_write_array_end(w);
+ spdk_jsonrpc_end_result(request, w);
+ free_rpc_bdev_compress_get_orphans(&req);
+}
+SPDK_RPC_REGISTER("bdev_compress_get_orphans", rpc_bdev_compress_get_orphans, SPDK_RPC_RUNTIME)
+
+struct rpc_compress_set_pmd {
+ enum compress_pmd pmd;
+};
+
+static const struct spdk_json_object_decoder rpc_compress_pmd_decoder[] = {
+ {"pmd", offsetof(struct rpc_compress_set_pmd, pmd), spdk_json_decode_int32},
+};
+
+static void
+rpc_compress_set_pmd(struct spdk_jsonrpc_request *request,
+ const struct spdk_json_val *params)
+{
+ struct rpc_compress_set_pmd req;
+ struct spdk_json_write_ctx *w;
+ int rc = 0;
+
+ if (spdk_json_decode_object(params, rpc_compress_pmd_decoder,
+ SPDK_COUNTOF(rpc_compress_pmd_decoder),
+ &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");
+ return;
+ }
+
+ if (req.pmd >= COMPRESS_PMD_MAX) {
+ spdk_jsonrpc_send_error_response_fmt(request, -EINVAL,
+ "PMD value %d should be less than %d", req.pmd, COMPRESS_PMD_MAX);
+ return;
+ }
+
+ rc = compress_set_pmd(&req.pmd);
+ if (rc) {
+ spdk_jsonrpc_send_error_response(request, rc, spdk_strerror(-rc));
+ return;
+ }
+
+ w = spdk_jsonrpc_begin_result(request);
+ if (w != NULL) {
+ spdk_json_write_bool(w, true);
+ spdk_jsonrpc_end_result(request, w);
+ }
+}
+SPDK_RPC_REGISTER("compress_set_pmd", rpc_compress_set_pmd,
+ SPDK_RPC_STARTUP | SPDK_RPC_RUNTIME)
+SPDK_RPC_REGISTER_ALIAS_DEPRECATED(compress_set_pmd, set_compress_pmd)
+
+/* Structure to hold the parameters for this RPC method. */
+struct rpc_construct_compress {
+ char *base_bdev_name;
+ char *pm_path;
+ uint32_t lb_size;
+};
+
+/* Free the allocated memory resource after the RPC handling. */
+static void
+free_rpc_construct_compress(struct rpc_construct_compress *r)
+{
+ free(r->base_bdev_name);
+ free(r->pm_path);
+}
+
+/* Structure to decode the input parameters for this RPC method. */
+static const struct spdk_json_object_decoder rpc_construct_compress_decoders[] = {
+ {"base_bdev_name", offsetof(struct rpc_construct_compress, base_bdev_name), spdk_json_decode_string},
+ {"pm_path", offsetof(struct rpc_construct_compress, pm_path), spdk_json_decode_string},
+ {"lb_size", offsetof(struct rpc_construct_compress, lb_size), spdk_json_decode_uint32},
+};
+
+/* Decode the parameters for this RPC method and properly construct the compress
+ * device. Error status returned in the failed cases.
+ */
+static void
+rpc_bdev_compress_create(struct spdk_jsonrpc_request *request,
+ const struct spdk_json_val *params)
+{
+ struct rpc_construct_compress req = {NULL};
+ struct spdk_json_write_ctx *w;
+ char *name;
+ int rc;
+
+ if (spdk_json_decode_object(params, rpc_construct_compress_decoders,
+ SPDK_COUNTOF(rpc_construct_compress_decoders),
+ &req)) {
+ SPDK_DEBUGLOG(SPDK_LOG_VBDEV_COMPRESS, "spdk_json_decode_object failed\n");
+ spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_PARSE_ERROR,
+ "spdk_json_decode_object failed");
+ goto cleanup;
+ }
+
+ rc = create_compress_bdev(req.base_bdev_name, req.pm_path, req.lb_size);
+ if (rc != 0) {
+ spdk_jsonrpc_send_error_response(request, rc, spdk_strerror(-rc));
+ goto cleanup;
+ }
+
+ w = spdk_jsonrpc_begin_result(request);
+ name = spdk_sprintf_alloc("COMP_%s", req.base_bdev_name);
+ spdk_json_write_string(w, name);
+ spdk_jsonrpc_end_result(request, w);
+ free(name);
+
+cleanup:
+ free_rpc_construct_compress(&req);
+}
+SPDK_RPC_REGISTER("bdev_compress_create", rpc_bdev_compress_create, SPDK_RPC_RUNTIME)
+SPDK_RPC_REGISTER_ALIAS_DEPRECATED(bdev_compress_create, construct_compress_bdev)
+
+struct rpc_delete_compress {
+ char *name;
+};
+
+static void
+free_rpc_delete_compress(struct rpc_delete_compress *req)
+{
+ free(req->name);
+}
+
+static const struct spdk_json_object_decoder rpc_delete_compress_decoders[] = {
+ {"name", offsetof(struct rpc_delete_compress, name), spdk_json_decode_string},
+};
+
+static void
+_rpc_bdev_compress_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_compress_delete(struct spdk_jsonrpc_request *request,
+ const struct spdk_json_val *params)
+{
+ struct rpc_delete_compress req = {NULL};
+
+ if (spdk_json_decode_object(params, rpc_delete_compress_decoders,
+ SPDK_COUNTOF(rpc_delete_compress_decoders),
+ &req)) {
+ spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
+ "spdk_json_decode_object failed");
+ } else {
+ bdev_compress_delete(req.name, _rpc_bdev_compress_delete_cb, request);
+ }
+
+ free_rpc_delete_compress(&req);
+}
+SPDK_RPC_REGISTER("bdev_compress_delete", rpc_bdev_compress_delete, SPDK_RPC_RUNTIME)
+SPDK_RPC_REGISTER_ALIAS_DEPRECATED(bdev_compress_delete, delete_compress_bdev)
projects / ceph.git / blobdiff