Adding upstream version 14.2.21.upstream/14.2.21upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 814 insertions, 0 deletions

diff --git a/src/spdk/lib/vhost/vhost_rpc.c b/src/spdk/lib/vhost/vhost_rpc.c
new file mode 100644
index 00000000..0e546c36
--- /dev/null
+++ b/src/spdk/lib/vhost/vhost_rpc.c
@@ -0,0 +1,814 @@
+/*-
+ *   BSD LICENSE
+ *
+ *   Copyright(c) Intel Corporation. All rights reserved.
+ *   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/stdinc.h"
+
+#include "spdk_internal/log.h"
+#include "spdk/rpc.h"
+#include "spdk/util.h"
+#include "spdk/string.h"
+#include "spdk/env.h"
+
+#include "spdk/scsi.h"
+#include "spdk/vhost.h"
+#include "vhost_internal.h"
+#include "spdk/bdev.h"
+
+struct rpc_vhost_scsi_ctrlr {
+	char *ctrlr;
+	char *cpumask;
+};
+
+static void
+free_rpc_vhost_scsi_ctrlr(struct rpc_vhost_scsi_ctrlr *req)
+{
+	free(req->ctrlr);
+	free(req->cpumask);
+}
+
+static const struct spdk_json_object_decoder rpc_construct_vhost_ctrlr[] = {
+	{"ctrlr", offsetof(struct rpc_vhost_scsi_ctrlr, ctrlr), spdk_json_decode_string },
+	{"cpumask", offsetof(struct rpc_vhost_scsi_ctrlr, cpumask), spdk_json_decode_string, true},
+};
+
+static void
+spdk_rpc_construct_vhost_scsi_controller(struct spdk_jsonrpc_request *request,
+		const struct spdk_json_val *params)
+{
+	struct rpc_vhost_scsi_ctrlr req = {0};
+	struct spdk_json_write_ctx *w;
+	int rc;
+
+	if (spdk_json_decode_object(params, rpc_construct_vhost_ctrlr,
+				    SPDK_COUNTOF(rpc_construct_vhost_ctrlr),
+				    &req)) {
+		SPDK_DEBUGLOG(SPDK_LOG_VHOST_RPC, "spdk_json_decode_object failed\n");
+		rc = -EINVAL;
+		goto invalid;
+	}
+
+	rc = spdk_vhost_scsi_dev_construct(req.ctrlr, req.cpumask);
+	if (rc < 0) {
+		goto invalid;
+	}
+
+	free_rpc_vhost_scsi_ctrlr(&req);
+
+	w = spdk_jsonrpc_begin_result(request);
+	if (w == NULL) {
+		return;
+	}
+
+	spdk_json_write_bool(w, true);
+	spdk_jsonrpc_end_result(request, w);
+	return;
+
+invalid:
+	free_rpc_vhost_scsi_ctrlr(&req);
+	spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
+					 spdk_strerror(-rc));
+}
+SPDK_RPC_REGISTER("construct_vhost_scsi_controller", spdk_rpc_construct_vhost_scsi_controller,
+		  SPDK_RPC_RUNTIME)
+
+struct rpc_add_vhost_scsi_ctrlr_lun {
+	char *ctrlr;
+	uint32_t scsi_target_num;
+	char *bdev_name;
+
+	struct spdk_jsonrpc_request *request;
+};
+
+static void
+free_rpc_add_vhost_scsi_ctrlr_lun(struct rpc_add_vhost_scsi_ctrlr_lun *req)
+{
+	free(req->ctrlr);
+	free(req->bdev_name);
+	free(req);
+}
+
+static const struct spdk_json_object_decoder rpc_vhost_add_lun[] = {
+	{"ctrlr", offsetof(struct rpc_add_vhost_scsi_ctrlr_lun, ctrlr), spdk_json_decode_string },
+	{"scsi_target_num", offsetof(struct rpc_add_vhost_scsi_ctrlr_lun, scsi_target_num), spdk_json_decode_uint32},
+	{"bdev_name", offsetof(struct rpc_add_vhost_scsi_ctrlr_lun, bdev_name), spdk_json_decode_string },
+};
+
+static int
+spdk_rpc_add_vhost_scsi_lun_cb(struct spdk_vhost_dev *vdev, void *arg)
+{
+	struct rpc_add_vhost_scsi_ctrlr_lun *rpc = arg;
+	struct spdk_jsonrpc_request *request = rpc->request;
+	struct spdk_json_write_ctx *w;
+	int rc;
+
+	if (vdev == NULL) {
+		rc = -ENODEV;
+		goto invalid;
+	}
+
+	rc = spdk_vhost_scsi_dev_add_tgt(vdev, rpc->scsi_target_num, rpc->bdev_name);
+	if (rc < 0) {
+		goto invalid;
+	}
+
+	free_rpc_add_vhost_scsi_ctrlr_lun(rpc);
+
+	w = spdk_jsonrpc_begin_result(request);
+	if (w == NULL) {
+		return -1;
+	}
+
+	spdk_json_write_bool(w, true);
+	spdk_jsonrpc_end_result(request, w);
+	return 0;
+
+invalid:
+	free_rpc_add_vhost_scsi_ctrlr_lun(rpc);
+	spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
+					 spdk_strerror(-rc));
+	return rc;
+}
+
+static void
+spdk_rpc_add_vhost_scsi_lun(struct spdk_jsonrpc_request *request,
+			    const struct spdk_json_val *params)
+{
+	struct rpc_add_vhost_scsi_ctrlr_lun *req;
+	int rc;
+
+	req = calloc(1, sizeof(*req));
+	if (req == NULL) {
+		rc = -ENOMEM;
+		goto invalid;
+	}
+
+	req->request = request;
+	if (spdk_json_decode_object(params, rpc_vhost_add_lun,
+				    SPDK_COUNTOF(rpc_vhost_add_lun),
+				    req)) {
+		SPDK_DEBUGLOG(SPDK_LOG_VHOST_RPC, "spdk_json_decode_object failed\n");
+		rc = -EINVAL;
+		goto invalid;
+	}
+
+	if (req->ctrlr == NULL) {
+		SPDK_ERRLOG("No controller name\n");
+		rc = -EINVAL;
+		goto invalid;
+	}
+
+	spdk_vhost_call_external_event(req->ctrlr, spdk_rpc_add_vhost_scsi_lun_cb, req);
+
+	return;
+
+invalid:
+	if (req) {
+		free_rpc_add_vhost_scsi_ctrlr_lun(req);
+	}
+	spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
+					 spdk_strerror(-rc));
+}
+SPDK_RPC_REGISTER("add_vhost_scsi_lun", spdk_rpc_add_vhost_scsi_lun, SPDK_RPC_RUNTIME)
+
+struct rpc_remove_vhost_scsi_ctrlr_target {
+	char *ctrlr;
+	uint32_t scsi_target_num;
+
+	struct spdk_jsonrpc_request *request;
+};
+
+static void
+free_rpc_remove_vhost_scsi_ctrlr_target(struct rpc_remove_vhost_scsi_ctrlr_target *req)
+{
+	free(req->ctrlr);
+	free(req);
+}
+
+static const struct spdk_json_object_decoder rpc_vhost_remove_target[] = {
+	{"ctrlr", offsetof(struct rpc_remove_vhost_scsi_ctrlr_target, ctrlr), spdk_json_decode_string },
+	{"scsi_target_num", offsetof(struct rpc_remove_vhost_scsi_ctrlr_target, scsi_target_num), spdk_json_decode_uint32},
+};
+
+static int
+spdk_rpc_remove_vhost_scsi_target_finish_cb(struct spdk_vhost_dev *vdev, void *arg)
+{
+	struct rpc_remove_vhost_scsi_ctrlr_target *rpc = arg;
+	struct spdk_jsonrpc_request *request = rpc->request;
+	struct spdk_json_write_ctx *w;
+
+	free_rpc_remove_vhost_scsi_ctrlr_target(rpc);
+
+	w = spdk_jsonrpc_begin_result(request);
+	if (w == NULL) {
+		return -1;
+	}
+
+	spdk_json_write_bool(w, true);
+	spdk_jsonrpc_end_result(request, w);
+	return 0;
+}
+
+static int
+spdk_rpc_remove_vhost_scsi_target_cb(struct spdk_vhost_dev *vdev, void *arg)
+{
+	struct rpc_remove_vhost_scsi_ctrlr_target *rpc = arg;
+	struct spdk_jsonrpc_request *request = rpc->request;
+	int rc;
+
+	if (vdev == NULL) {
+		rc = -ENODEV;
+		goto invalid;
+	}
+
+	rc = spdk_vhost_scsi_dev_remove_tgt(vdev, rpc->scsi_target_num,
+					    spdk_rpc_remove_vhost_scsi_target_finish_cb, rpc);
+	if (rc < 0) {
+		goto invalid;
+	}
+
+	return 0;
+
+invalid:
+	free_rpc_remove_vhost_scsi_ctrlr_target(rpc);
+	spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, spdk_strerror(-rc));
+	return rc;
+}
+
+static void
+spdk_rpc_remove_vhost_scsi_target(struct spdk_jsonrpc_request *request,
+				  const struct spdk_json_val *params)
+{
+	struct rpc_remove_vhost_scsi_ctrlr_target *req;
+	int rc;
+
+	req = calloc(1, sizeof(*req));
+	if (req == NULL) {
+		rc = -ENOMEM;
+		goto invalid;
+	}
+
+	req->request = request;
+	if (spdk_json_decode_object(params, rpc_vhost_remove_target,
+				    SPDK_COUNTOF(rpc_vhost_remove_target),
+				    req)) {
+		SPDK_DEBUGLOG(SPDK_LOG_VHOST_RPC, "spdk_json_decode_object failed\n");
+		rc = -EINVAL;
+		goto invalid;
+	}
+
+	spdk_vhost_call_external_event(req->ctrlr, spdk_rpc_remove_vhost_scsi_target_cb, req);
+
+	return;
+
+invalid:
+	if (req) {
+		free_rpc_remove_vhost_scsi_ctrlr_target(req);
+	}
+	spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
+					 spdk_strerror(-rc));
+}
+
+SPDK_RPC_REGISTER("remove_vhost_scsi_target", spdk_rpc_remove_vhost_scsi_target, SPDK_RPC_RUNTIME)
+
+struct rpc_vhost_blk_ctrlr {
+	char *ctrlr;
+	char *dev_name;
+	char *cpumask;
+	bool readonly;
+};
+
+static const struct spdk_json_object_decoder rpc_construct_vhost_blk_ctrlr[] = {
+	{"ctrlr", offsetof(struct rpc_vhost_blk_ctrlr, ctrlr), spdk_json_decode_string },
+	{"dev_name", offsetof(struct rpc_vhost_blk_ctrlr, dev_name), spdk_json_decode_string },
+	{"cpumask", offsetof(struct rpc_vhost_blk_ctrlr, cpumask), spdk_json_decode_string, true},
+	{"readonly", offsetof(struct rpc_vhost_blk_ctrlr, readonly), spdk_json_decode_bool, true},
+};
+
+static void
+free_rpc_vhost_blk_ctrlr(struct rpc_vhost_blk_ctrlr *req)
+{
+	free(req->ctrlr);
+	free(req->dev_name);
+	free(req->cpumask);
+}
+
+static void
+spdk_rpc_construct_vhost_blk_controller(struct spdk_jsonrpc_request *request,
+					const struct spdk_json_val *params)
+{
+	struct rpc_vhost_blk_ctrlr req = {0};
+	struct spdk_json_write_ctx *w;
+	int rc;
+
+	if (spdk_json_decode_object(params, rpc_construct_vhost_blk_ctrlr,
+				    SPDK_COUNTOF(rpc_construct_vhost_blk_ctrlr),
+				    &req)) {
+		SPDK_DEBUGLOG(SPDK_LOG_VHOST_RPC, "spdk_json_decode_object failed\n");
+		rc = -EINVAL;
+		goto invalid;
+	}
+
+	rc = spdk_vhost_blk_construct(req.ctrlr, req.cpumask, req.dev_name, req.readonly);
+	if (rc < 0) {
+		goto invalid;
+	}
+
+	free_rpc_vhost_blk_ctrlr(&req);
+
+	w = spdk_jsonrpc_begin_result(request);
+	if (w == NULL) {
+		return;
+	}
+
+	spdk_json_write_bool(w, true);
+	spdk_jsonrpc_end_result(request, w);
+	return;
+
+invalid:
+	free_rpc_vhost_blk_ctrlr(&req);
+	spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
+					 spdk_strerror(-rc));
+
+}
+SPDK_RPC_REGISTER("construct_vhost_blk_controller", spdk_rpc_construct_vhost_blk_controller,
+		  SPDK_RPC_RUNTIME)
+
+struct rpc_remove_vhost_ctrlr {
+	char *ctrlr;
+
+	struct spdk_jsonrpc_request *request;
+};
+
+static const struct spdk_json_object_decoder rpc_remove_vhost_ctrlr[] = {
+	{"ctrlr", offsetof(struct rpc_remove_vhost_ctrlr, ctrlr), spdk_json_decode_string },
+};
+
+static void
+free_rpc_remove_vhost_ctrlr(struct rpc_remove_vhost_ctrlr *req)
+{
+	free(req->ctrlr);
+	free(req);
+}
+
+static int
+spdk_rpc_remove_vhost_controller_cb(struct spdk_vhost_dev *vdev, void *arg)
+{
+	struct rpc_remove_vhost_ctrlr *ctx = arg;
+	struct spdk_jsonrpc_request *request = ctx->request;
+	struct spdk_json_write_ctx *w;
+	int rc;
+
+	if (vdev == NULL) {
+		rc = -ENODEV;
+		goto invalid;
+	}
+
+	rc = spdk_vhost_dev_remove(vdev);
+	if (rc < 0) {
+		goto invalid;
+	}
+
+	free_rpc_remove_vhost_ctrlr(ctx);
+
+	w = spdk_jsonrpc_begin_result(request);
+	if (w == NULL) {
+		return 0;
+	}
+
+	spdk_json_write_bool(w, true);
+	spdk_jsonrpc_end_result(request, w);
+	return 0;
+
+invalid:
+	free_rpc_remove_vhost_ctrlr(ctx);
+	spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
+					 spdk_strerror(-rc));
+	return -1;
+}
+
+static void
+spdk_rpc_remove_vhost_controller(struct spdk_jsonrpc_request *request,
+				 const struct spdk_json_val *params)
+{
+	struct rpc_remove_vhost_ctrlr *req;
+	int rc;
+
+	req = calloc(1, sizeof(*req));
+	if (req == NULL) {
+		rc = -ENOMEM;
+		goto invalid;
+	}
+
+	req->request = request;
+	if (spdk_json_decode_object(params, rpc_remove_vhost_ctrlr,
+				    SPDK_COUNTOF(rpc_remove_vhost_ctrlr), req)) {
+		SPDK_DEBUGLOG(SPDK_LOG_VHOST_RPC, "spdk_json_decode_object failed\n");
+		rc = -EINVAL;
+		goto invalid;
+	}
+
+	spdk_vhost_call_external_event(req->ctrlr, spdk_rpc_remove_vhost_controller_cb, req);
+	return;
+
+invalid:
+	if (req) {
+		free_rpc_remove_vhost_ctrlr(req);
+	}
+	spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
+					 spdk_strerror(-rc));
+
+}
+SPDK_RPC_REGISTER("remove_vhost_controller", spdk_rpc_remove_vhost_controller, SPDK_RPC_RUNTIME)
+
+struct rpc_get_vhost_ctrlrs {
+	char *name;
+	struct spdk_json_write_ctx *w;
+	struct spdk_jsonrpc_request *request;
+};
+
+static void
+_spdk_rpc_get_vhost_controller(struct spdk_json_write_ctx *w, struct spdk_vhost_dev *vdev)
+{
+	uint32_t delay_base_us, iops_threshold;
+
+	spdk_vhost_get_coalescing(vdev, &delay_base_us, &iops_threshold);
+
+	spdk_json_write_object_begin(w);
+
+	spdk_json_write_named_string(w, "ctrlr", spdk_vhost_dev_get_name(vdev));
+	spdk_json_write_named_string_fmt(w, "cpumask", "0x%s", spdk_cpuset_fmt(vdev->cpumask));
+	spdk_json_write_named_uint32(w, "delay_base_us", delay_base_us);
+	spdk_json_write_named_uint32(w, "iops_threshold", iops_threshold);
+	spdk_json_write_named_string(w, "socket", vdev->path);
+
+	spdk_json_write_named_object_begin(w, "backend_specific");
+	spdk_vhost_dump_info_json(vdev, w);
+	spdk_json_write_object_end(w);
+
+	spdk_json_write_object_end(w);
+}
+
+static int
+spdk_rpc_get_vhost_controllers_cb(struct spdk_vhost_dev *vdev, void *arg)
+{
+	struct rpc_get_vhost_ctrlrs *ctx = arg;
+
+	assert(ctx->name == NULL);
+
+	if (vdev == NULL) {
+		spdk_json_write_array_end(ctx->w);
+		spdk_jsonrpc_end_result(ctx->request, ctx->w);
+		free(ctx);
+		return 0;
+	}
+
+	_spdk_rpc_get_vhost_controller(ctx->w, vdev);
+	return 0;
+}
+
+static int
+spdk_rpc_get_vhost_controller_cb(struct spdk_vhost_dev *vdev, void *arg)
+{
+	struct rpc_get_vhost_ctrlrs *ctx = arg;
+
+	assert(ctx->name != NULL);
+
+	if (vdev == NULL) {
+		spdk_jsonrpc_send_error_response(ctx->request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
+						 spdk_strerror(ENODEV));
+		goto free_name_ctx;
+	}
+
+	ctx->w = spdk_jsonrpc_begin_result(ctx->request);
+	if (ctx->w == NULL) {
+		goto free_name_ctx;
+	}
+
+	spdk_json_write_array_begin(ctx->w);
+	_spdk_rpc_get_vhost_controller(ctx->w, vdev);
+	spdk_json_write_array_end(ctx->w);
+
+	spdk_jsonrpc_end_result(ctx->request, ctx->w);
+
+free_name_ctx:
+	free(ctx->name);
+	free(ctx);
+	return 0;
+}
+
+static const struct spdk_json_object_decoder rpc_get_vhost_ctrlrs_decoders[] = {
+	{"name", offsetof(struct rpc_get_vhost_ctrlrs, name), spdk_json_decode_string, true},
+};
+
+static void
+spdk_rpc_get_vhost_controllers(struct spdk_jsonrpc_request *request,
+			       const struct spdk_json_val *params)
+{
+	struct rpc_get_vhost_ctrlrs *ctx;
+	struct spdk_json_write_ctx *w;
+
+	ctx = calloc(1, sizeof(*ctx));
+	if (ctx == NULL) {
+		spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
+						 spdk_strerror(ENOMEM));
+		return;
+	}
+
+	if (params && spdk_json_decode_object(params, rpc_get_vhost_ctrlrs_decoders,
+					      SPDK_COUNTOF(rpc_get_vhost_ctrlrs_decoders), ctx)) {
+		SPDK_ERRLOG("spdk_json_decode_object failed\n");
+		free(ctx);
+		spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
+						 "Invalid parameters");
+		return;
+	}
+
+	if (ctx->name) {
+		ctx->request = request;
+		spdk_vhost_call_external_event(ctx->name, spdk_rpc_get_vhost_controller_cb, ctx);
+		return;
+	}
+
+	w = spdk_jsonrpc_begin_result(request);
+	if (w == NULL) {
+		free(ctx);
+		return;
+	}
+
+	spdk_json_write_array_begin(w);
+
+	ctx->w = w;
+	ctx->request = request;
+	spdk_vhost_call_external_event_foreach(spdk_rpc_get_vhost_controllers_cb, ctx);
+}
+SPDK_RPC_REGISTER("get_vhost_controllers", spdk_rpc_get_vhost_controllers, SPDK_RPC_RUNTIME)
+
+
+struct rpc_vhost_ctrlr_coalescing {
+	char *ctrlr;
+	uint32_t delay_base_us;
+	uint32_t iops_threshold;
+	struct spdk_jsonrpc_request *request;
+};
+
+static const struct spdk_json_object_decoder rpc_set_vhost_ctrlr_coalescing[] = {
+	{"ctrlr", offsetof(struct rpc_vhost_ctrlr_coalescing, ctrlr), spdk_json_decode_string },
+	{"delay_base_us", offsetof(struct rpc_vhost_ctrlr_coalescing, delay_base_us), spdk_json_decode_uint32},
+	{"iops_threshold", offsetof(struct rpc_vhost_ctrlr_coalescing, iops_threshold), spdk_json_decode_uint32},
+};
+
+static void
+free_rpc_set_vhost_controllers_event_coalescing(struct rpc_vhost_ctrlr_coalescing *req)
+{
+	if (!req) {
+		return;
+	}
+
+	free(req->ctrlr);
+	free(req);
+}
+
+static int
+spdk_rpc_set_vhost_controller_coalescing_cb(struct spdk_vhost_dev *vdev, void *arg)
+{
+	struct rpc_vhost_ctrlr_coalescing *req = arg;
+	struct spdk_json_write_ctx *w;
+	int rc;
+
+	if (vdev == NULL) {
+		rc = -ENODEV;
+		goto invalid;
+	}
+
+	rc = spdk_vhost_set_coalescing(vdev, req->delay_base_us, req->iops_threshold);
+	if (rc) {
+		goto invalid;
+	}
+
+	w = spdk_jsonrpc_begin_result(req->request);
+	if (w != NULL) {
+		spdk_json_write_bool(w, true);
+		spdk_jsonrpc_end_result(req->request, w);
+	}
+
+	free_rpc_set_vhost_controllers_event_coalescing(req);
+	return 0;
+
+invalid:
+	spdk_jsonrpc_send_error_response(req->request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
+					 spdk_strerror(-rc));
+	free_rpc_set_vhost_controllers_event_coalescing(req);
+	return 0;
+}
+
+static void
+spdk_rpc_set_vhost_controller_coalescing(struct spdk_jsonrpc_request *request,
+		const struct spdk_json_val *params)
+{
+	struct rpc_vhost_ctrlr_coalescing *req;
+	int rc;
+
+	req = calloc(1, sizeof(struct rpc_vhost_ctrlr_coalescing));
+	if (!req) {
+		rc = -ENOMEM;
+		goto invalid;
+	}
+
+	if (spdk_json_decode_object(params, rpc_set_vhost_ctrlr_coalescing,
+				    SPDK_COUNTOF(rpc_set_vhost_ctrlr_coalescing), req)) {
+		SPDK_DEBUGLOG(SPDK_LOG_VHOST_RPC, "spdk_json_decode_object failed\n");
+		rc = -EINVAL;
+		goto invalid;
+	}
+
+	req->request = request;
+	spdk_vhost_call_external_event(req->ctrlr, spdk_rpc_set_vhost_controller_coalescing_cb, req);
+	return;
+
+invalid:
+	free_rpc_set_vhost_controllers_event_coalescing(req);
+	spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
+					 spdk_strerror(-rc));
+}
+SPDK_RPC_REGISTER("set_vhost_controller_coalescing", spdk_rpc_set_vhost_controller_coalescing,
+		  SPDK_RPC_RUNTIME)
+
+struct rpc_vhost_nvme_ctrlr {
+	char *ctrlr;
+	uint32_t io_queues;
+	char *cpumask;
+};
+
+static const struct spdk_json_object_decoder rpc_construct_vhost_nvme_ctrlr[] = {
+	{"ctrlr", offsetof(struct rpc_vhost_nvme_ctrlr, ctrlr), spdk_json_decode_string },
+	{"io_queues", offsetof(struct rpc_vhost_nvme_ctrlr, io_queues), spdk_json_decode_uint32},
+	{"cpumask", offsetof(struct rpc_vhost_nvme_ctrlr, cpumask), spdk_json_decode_string, true},
+};
+
+static void
+free_rpc_vhost_nvme_ctrlr(struct rpc_vhost_nvme_ctrlr *req)
+{
+	free(req->ctrlr);
+	free(req->cpumask);
+}
+
+static void
+spdk_rpc_construct_vhost_nvme_controller(struct spdk_jsonrpc_request *request,
+		const struct spdk_json_val *params)
+{
+	struct rpc_vhost_nvme_ctrlr req = {0};
+	struct spdk_json_write_ctx *w;
+	int rc;
+
+	if (spdk_json_decode_object(params, rpc_construct_vhost_nvme_ctrlr,
+				    SPDK_COUNTOF(rpc_construct_vhost_nvme_ctrlr),
+				    &req)) {
+		rc = -EINVAL;
+		goto invalid;
+	}
+
+	rc = spdk_vhost_nvme_dev_construct(req.ctrlr, req.cpumask, req.io_queues);
+	if (rc < 0) {
+		free_rpc_vhost_nvme_ctrlr(&req);
+		goto invalid;
+	}
+
+	free_rpc_vhost_nvme_ctrlr(&req);
+
+	w = spdk_jsonrpc_begin_result(request);
+	if (w == NULL) {
+		return;
+	}
+
+	spdk_json_write_bool(w, true);
+	spdk_jsonrpc_end_result(request, w);
+	return;
+
+invalid:
+	spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
+					 spdk_strerror(-rc));
+
+}
+SPDK_RPC_REGISTER("construct_vhost_nvme_controller", spdk_rpc_construct_vhost_nvme_controller,
+		  SPDK_RPC_RUNTIME)
+
+struct rpc_add_vhost_nvme_ctrlr_ns {
+	char *ctrlr;
+	char *bdev_name;
+	struct spdk_jsonrpc_request *request;
+};
+
+static void
+free_rpc_add_vhost_nvme_ctrlr_ns(struct rpc_add_vhost_nvme_ctrlr_ns *req)
+{
+	free(req->ctrlr);
+	free(req->bdev_name);
+	free(req);
+}
+
+static const struct spdk_json_object_decoder rpc_vhost_nvme_add_ns[] = {
+	{"ctrlr", offsetof(struct rpc_add_vhost_nvme_ctrlr_ns, ctrlr), spdk_json_decode_string },
+	{"bdev_name", offsetof(struct rpc_add_vhost_nvme_ctrlr_ns, bdev_name), spdk_json_decode_string },
+};
+
+static int
+spdk_rpc_add_vhost_nvme_ns_cb(struct spdk_vhost_dev *vdev, void *arg)
+{
+	struct rpc_add_vhost_nvme_ctrlr_ns *rpc = arg;
+	struct spdk_jsonrpc_request *request = rpc->request;
+	struct spdk_json_write_ctx *w;
+	int rc;
+
+	if (vdev == NULL) {
+		rc = -ENODEV;
+		goto invalid;
+	}
+
+	rc = spdk_vhost_nvme_dev_add_ns(vdev, rpc->bdev_name);
+	if (rc < 0) {
+		goto invalid;
+	}
+	free_rpc_add_vhost_nvme_ctrlr_ns(rpc);
+
+	w = spdk_jsonrpc_begin_result(request);
+	if (w == NULL) {
+		return -1;
+	}
+
+	spdk_json_write_bool(w, true);
+	spdk_jsonrpc_end_result(request, w);
+	return 0;
+
+invalid:
+	free_rpc_add_vhost_nvme_ctrlr_ns(rpc);
+	spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
+					 spdk_strerror(-rc));
+	return rc;
+}
+
+static void
+spdk_rpc_add_vhost_nvme_ns(struct spdk_jsonrpc_request *request,
+			   const struct spdk_json_val *params)
+{
+	struct rpc_add_vhost_nvme_ctrlr_ns *req;
+	int rc;
+
+	req = calloc(1, sizeof(*req));
+	if (req == NULL) {
+		rc = -ENOMEM;
+		goto invalid;
+	}
+
+	req->request = request;
+	if (spdk_json_decode_object(params, rpc_vhost_nvme_add_ns,
+				    SPDK_COUNTOF(rpc_vhost_nvme_add_ns),
+				    req)) {
+		SPDK_DEBUGLOG(SPDK_LOG_VHOST_RPC, "spdk_json_decode_object failed\n");
+		rc = -EINVAL;
+		goto invalid;
+	}
+
+	spdk_vhost_call_external_event(req->ctrlr, spdk_rpc_add_vhost_nvme_ns_cb, req);
+	return;
+
+invalid:
+	if (req) {
+		free_rpc_add_vhost_nvme_ctrlr_ns(req);
+	}
+	spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
+					 spdk_strerror(-rc));
+}
+SPDK_RPC_REGISTER("add_vhost_nvme_ns", spdk_rpc_add_vhost_nvme_ns, SPDK_RPC_RUNTIME)
+
+
+SPDK_LOG_REGISTER_COMPONENT("vhost_rpc", SPDK_LOG_VHOST_RPC)