diff options
Diffstat (limited to 'src/spdk/lib/vhost/vhost_rpc.c')
| -rw-r--r-- | src/spdk/lib/vhost/vhost_rpc.c | 652 |
1 files changed, 652 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 000000000..196d75918 --- /dev/null +++ b/src/spdk/lib/vhost/vhost_rpc.c @@ -0,0 +1,652 @@ +/*- + * 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_vhost_create_scsi_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 +rpc_vhost_create_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_vhost_create_scsi_ctrlr, + SPDK_COUNTOF(rpc_vhost_create_scsi_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); + 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("vhost_create_scsi_controller", rpc_vhost_create_scsi_controller, + SPDK_RPC_RUNTIME) +SPDK_RPC_REGISTER_ALIAS_DEPRECATED(vhost_create_scsi_controller, construct_vhost_scsi_controller) + +struct rpc_vhost_scsi_ctrlr_add_target { + char *ctrlr; + int32_t scsi_target_num; + char *bdev_name; +}; + +static void +free_rpc_vhost_scsi_ctrlr_add_target(struct rpc_vhost_scsi_ctrlr_add_target *req) +{ + free(req->ctrlr); + free(req->bdev_name); +} + +static const struct spdk_json_object_decoder rpc_vhost_scsi_ctrlr_add_target[] = { + {"ctrlr", offsetof(struct rpc_vhost_scsi_ctrlr_add_target, ctrlr), spdk_json_decode_string }, + {"scsi_target_num", offsetof(struct rpc_vhost_scsi_ctrlr_add_target, scsi_target_num), spdk_json_decode_int32}, + {"bdev_name", offsetof(struct rpc_vhost_scsi_ctrlr_add_target, bdev_name), spdk_json_decode_string }, +}; + +static void +rpc_vhost_scsi_controller_add_target(struct spdk_jsonrpc_request *request, + const struct spdk_json_val *params) +{ + struct rpc_vhost_scsi_ctrlr_add_target req = {0}; + struct spdk_json_write_ctx *w; + struct spdk_vhost_dev *vdev; + int rc; + + if (spdk_json_decode_object(params, rpc_vhost_scsi_ctrlr_add_target, + SPDK_COUNTOF(rpc_vhost_scsi_ctrlr_add_target), + &req)) { + SPDK_DEBUGLOG(SPDK_LOG_VHOST_RPC, "spdk_json_decode_object failed\n"); + rc = -EINVAL; + goto invalid; + } + + spdk_vhost_lock(); + vdev = spdk_vhost_dev_find(req.ctrlr); + if (vdev == NULL) { + spdk_vhost_unlock(); + rc = -ENODEV; + goto invalid; + } + + rc = spdk_vhost_scsi_dev_add_tgt(vdev, req.scsi_target_num, req.bdev_name); + spdk_vhost_unlock(); + if (rc < 0) { + goto invalid; + } + + free_rpc_vhost_scsi_ctrlr_add_target(&req); + + w = spdk_jsonrpc_begin_result(request); + spdk_json_write_int32(w, rc); + spdk_jsonrpc_end_result(request, w); + return; + +invalid: + free_rpc_vhost_scsi_ctrlr_add_target(&req); + spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, + spdk_strerror(-rc)); +} +SPDK_RPC_REGISTER("vhost_scsi_controller_add_target", rpc_vhost_scsi_controller_add_target, + SPDK_RPC_RUNTIME) +SPDK_RPC_REGISTER_ALIAS_DEPRECATED(vhost_scsi_controller_add_target, add_vhost_scsi_lun) + +struct rpc_remove_vhost_scsi_ctrlr_target { + char *ctrlr; + uint32_t scsi_target_num; +}; + +static void +free_rpc_remove_vhost_scsi_ctrlr_target(struct rpc_remove_vhost_scsi_ctrlr_target *req) +{ + free(req->ctrlr); +} + +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 +rpc_vhost_scsi_controller_remove_target_finish_cb(struct spdk_vhost_dev *vdev, void *arg) +{ + struct spdk_jsonrpc_request *request = arg; + struct spdk_json_write_ctx *w; + + w = spdk_jsonrpc_begin_result(request); + spdk_json_write_bool(w, true); + spdk_jsonrpc_end_result(request, w); + return 0; +} + +static void +rpc_vhost_scsi_controller_remove_target(struct spdk_jsonrpc_request *request, + const struct spdk_json_val *params) +{ + struct rpc_remove_vhost_scsi_ctrlr_target req = {0}; + struct spdk_vhost_dev *vdev; + int rc; + + 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_lock(); + vdev = spdk_vhost_dev_find(req.ctrlr); + if (vdev == NULL) { + spdk_vhost_unlock(); + rc = -ENODEV; + goto invalid; + } + + rc = spdk_vhost_scsi_dev_remove_tgt(vdev, req.scsi_target_num, + rpc_vhost_scsi_controller_remove_target_finish_cb, + request); + spdk_vhost_unlock(); + if (rc < 0) { + goto invalid; + } + + free_rpc_remove_vhost_scsi_ctrlr_target(&req); + return; + +invalid: + 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("vhost_scsi_controller_remove_target", + rpc_vhost_scsi_controller_remove_target, SPDK_RPC_RUNTIME) +SPDK_RPC_REGISTER_ALIAS_DEPRECATED(vhost_scsi_controller_remove_target, remove_vhost_scsi_target) + +struct rpc_vhost_blk_ctrlr { + char *ctrlr; + char *dev_name; + char *cpumask; + bool readonly; + bool packed_ring; +}; + +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}, + {"packed_ring", offsetof(struct rpc_vhost_blk_ctrlr, packed_ring), 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 +rpc_vhost_create_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, req.packed_ring); + if (rc < 0) { + goto invalid; + } + + free_rpc_vhost_blk_ctrlr(&req); + + w = spdk_jsonrpc_begin_result(request); + 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("vhost_create_blk_controller", rpc_vhost_create_blk_controller, + SPDK_RPC_RUNTIME) +SPDK_RPC_REGISTER_ALIAS_DEPRECATED(vhost_create_blk_controller, construct_vhost_blk_controller) + +struct rpc_delete_vhost_ctrlr { + char *ctrlr; +}; + +static const struct spdk_json_object_decoder rpc_delete_vhost_ctrlr_decoder[] = { + {"ctrlr", offsetof(struct rpc_delete_vhost_ctrlr, ctrlr), spdk_json_decode_string }, +}; + +static void +free_rpc_delete_vhost_ctrlr(struct rpc_delete_vhost_ctrlr *req) +{ + free(req->ctrlr); +} + +static void +rpc_vhost_delete_controller(struct spdk_jsonrpc_request *request, + const struct spdk_json_val *params) +{ + struct rpc_delete_vhost_ctrlr req = {0}; + struct spdk_json_write_ctx *w; + struct spdk_vhost_dev *vdev; + int rc; + + if (spdk_json_decode_object(params, rpc_delete_vhost_ctrlr_decoder, + SPDK_COUNTOF(rpc_delete_vhost_ctrlr_decoder), &req)) { + SPDK_DEBUGLOG(SPDK_LOG_VHOST_RPC, "spdk_json_decode_object failed\n"); + rc = -EINVAL; + goto invalid; + } + + spdk_vhost_lock(); + vdev = spdk_vhost_dev_find(req.ctrlr); + if (vdev == NULL) { + spdk_vhost_unlock(); + rc = -ENODEV; + goto invalid; + } + + rc = spdk_vhost_dev_remove(vdev); + spdk_vhost_unlock(); + if (rc < 0) { + goto invalid; + } + + free_rpc_delete_vhost_ctrlr(&req); + + w = spdk_jsonrpc_begin_result(request); + spdk_json_write_bool(w, true); + spdk_jsonrpc_end_result(request, w); + + return; + +invalid: + free_rpc_delete_vhost_ctrlr(&req); + spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, + spdk_strerror(-rc)); + +} +SPDK_RPC_REGISTER("vhost_delete_controller", rpc_vhost_delete_controller, SPDK_RPC_RUNTIME) +SPDK_RPC_REGISTER_ALIAS_DEPRECATED(vhost_delete_controller, remove_vhost_controller) + +struct rpc_get_vhost_ctrlrs { + char *name; +}; + +static void +_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(spdk_thread_get_cpumask(vdev->thread))); + 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"); + vhost_dump_info_json(vdev, w); + spdk_json_write_object_end(w); + + spdk_json_write_object_end(w); +} + +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 +free_rpc_get_vhost_ctrlrs(struct rpc_get_vhost_ctrlrs *req) +{ + free(req->name); +} + +static void +rpc_vhost_get_controllers(struct spdk_jsonrpc_request *request, + const struct spdk_json_val *params) +{ + struct rpc_get_vhost_ctrlrs req = {0}; + struct spdk_json_write_ctx *w; + struct spdk_vhost_dev *vdev; + int rc; + + if (params && spdk_json_decode_object(params, rpc_get_vhost_ctrlrs_decoders, + SPDK_COUNTOF(rpc_get_vhost_ctrlrs_decoders), &req)) { + SPDK_ERRLOG("spdk_json_decode_object failed\n"); + rc = -EINVAL; + goto invalid; + } + + spdk_vhost_lock(); + if (req.name != NULL) { + vdev = spdk_vhost_dev_find(req.name); + if (vdev == NULL) { + spdk_vhost_unlock(); + rc = -ENODEV; + goto invalid; + } + + free_rpc_get_vhost_ctrlrs(&req); + + w = spdk_jsonrpc_begin_result(request); + spdk_json_write_array_begin(w); + + _rpc_get_vhost_controller(w, vdev); + spdk_vhost_unlock(); + + spdk_json_write_array_end(w); + spdk_jsonrpc_end_result(request, w); + return; + } + + free_rpc_get_vhost_ctrlrs(&req); + + w = spdk_jsonrpc_begin_result(request); + spdk_json_write_array_begin(w); + + vdev = spdk_vhost_dev_next(NULL); + while (vdev != NULL) { + _rpc_get_vhost_controller(w, vdev); + vdev = spdk_vhost_dev_next(vdev); + } + spdk_vhost_unlock(); + + spdk_json_write_array_end(w); + spdk_jsonrpc_end_result(request, w); + return; + +invalid: + free_rpc_get_vhost_ctrlrs(&req); + spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR, + spdk_strerror(-rc)); +} +SPDK_RPC_REGISTER("vhost_get_controllers", rpc_vhost_get_controllers, SPDK_RPC_RUNTIME) +SPDK_RPC_REGISTER_ALIAS_DEPRECATED(vhost_get_controllers, get_vhost_controllers) + + +struct rpc_vhost_ctrlr_coalescing { + char *ctrlr; + uint32_t delay_base_us; + uint32_t iops_threshold; +}; + +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) +{ + free(req->ctrlr); +} + +static void +rpc_vhost_controller_set_coalescing(struct spdk_jsonrpc_request *request, + const struct spdk_json_val *params) +{ + struct rpc_vhost_ctrlr_coalescing req = {0}; + struct spdk_json_write_ctx *w; + struct spdk_vhost_dev *vdev; + int rc; + + 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; + } + + spdk_vhost_lock(); + vdev = spdk_vhost_dev_find(req.ctrlr); + if (vdev == NULL) { + spdk_vhost_unlock(); + rc = -ENODEV; + goto invalid; + } + + rc = spdk_vhost_set_coalescing(vdev, req.delay_base_us, req.iops_threshold); + spdk_vhost_unlock(); + if (rc) { + goto invalid; + } + + free_rpc_set_vhost_controllers_event_coalescing(&req); + + w = spdk_jsonrpc_begin_result(request); + spdk_json_write_bool(w, true); + spdk_jsonrpc_end_result(request, w); + + 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("vhost_controller_set_coalescing", rpc_vhost_controller_set_coalescing, + SPDK_RPC_RUNTIME) +SPDK_RPC_REGISTER_ALIAS_DEPRECATED(vhost_controller_set_coalescing, set_vhost_controller_coalescing) + +#ifdef SPDK_CONFIG_VHOST_INTERNAL_LIB + +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 +rpc_vhost_create_nvme_controller(struct spdk_jsonrpc_request *request, + const struct spdk_json_val *params) +{ + struct rpc_vhost_nvme_ctrlr req = {}; + 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 = vhost_nvme_dev_construct(req.ctrlr, req.cpumask, req.io_queues); + if (rc < 0) { + goto invalid; + } + + free_rpc_vhost_nvme_ctrlr(&req); + + w = spdk_jsonrpc_begin_result(request); + spdk_json_write_bool(w, true); + spdk_jsonrpc_end_result(request, w); + return; + +invalid: + free_rpc_vhost_nvme_ctrlr(&req); + spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, + spdk_strerror(-rc)); + +} +SPDK_RPC_REGISTER("vhost_create_nvme_controller", rpc_vhost_create_nvme_controller, + SPDK_RPC_RUNTIME) +SPDK_RPC_REGISTER_ALIAS_DEPRECATED(vhost_create_nvme_controller, construct_vhost_nvme_controller) + +struct rpc_vhost_nvme_ctrlr_add_ns { + char *ctrlr; + char *bdev_name; +}; + +static void +free_rpc_vhost_nvme_ctrlr_add_ns(struct rpc_vhost_nvme_ctrlr_add_ns *req) +{ + free(req->ctrlr); + free(req->bdev_name); +} + +static const struct spdk_json_object_decoder rpc_vhost_nvme_add_ns[] = { + {"ctrlr", offsetof(struct rpc_vhost_nvme_ctrlr_add_ns, ctrlr), spdk_json_decode_string }, + {"bdev_name", offsetof(struct rpc_vhost_nvme_ctrlr_add_ns, bdev_name), spdk_json_decode_string }, +}; + +static void +rpc_vhost_nvme_controller_add_ns(struct spdk_jsonrpc_request *request, + const struct spdk_json_val *params) +{ + struct rpc_vhost_nvme_ctrlr_add_ns req = {0}; + struct spdk_json_write_ctx *w; + struct spdk_vhost_dev *vdev; + int rc; + + 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_lock(); + vdev = spdk_vhost_dev_find(req.ctrlr); + if (vdev == NULL) { + spdk_vhost_unlock(); + rc = -ENODEV; + goto invalid; + } + + rc = vhost_nvme_dev_add_ns(vdev, req.bdev_name); + spdk_vhost_unlock(); + if (rc < 0) { + goto invalid; + } + free_rpc_vhost_nvme_ctrlr_add_ns(&req); + + w = spdk_jsonrpc_begin_result(request); + spdk_json_write_bool(w, true); + spdk_jsonrpc_end_result(request, w); + return; + +invalid: + free_rpc_vhost_nvme_ctrlr_add_ns(&req); + spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, + spdk_strerror(-rc)); +} +SPDK_RPC_REGISTER("vhost_nvme_controller_add_ns", rpc_vhost_nvme_controller_add_ns, + SPDK_RPC_RUNTIME) +SPDK_RPC_REGISTER_ALIAS_DEPRECATED(vhost_nvme_controller_add_ns, add_vhost_nvme_ns) + +#endif /* SPDK_CONFIG_VHOST_INTERNAL_LIB */ + +SPDK_LOG_REGISTER_COMPONENT("vhost_rpc", SPDK_LOG_VHOST_RPC) |