From 483eb2f56657e8e7f419ab1a4fab8dce9ade8609 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 27 Apr 2024 20:24:20 +0200 Subject: Adding upstream version 14.2.21. Signed-off-by: Daniel Baumann --- src/spdk/lib/vhost/vhost_rpc.c | 814 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 814 insertions(+) create mode 100644 src/spdk/lib/vhost/vhost_rpc.c (limited to 'src/spdk/lib/vhost/vhost_rpc.c') 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) -- cgit v1.2.3