diff --git a/lib/bdev/nvme/Makefile b/lib/bdev/nvme/Makefile index bd06f71cd..e4251c261 100644 --- a/lib/bdev/nvme/Makefile +++ b/lib/bdev/nvme/Makefile @@ -35,7 +35,7 @@ SPDK_ROOT_DIR := $(abspath $(CURDIR)/../../..) include $(SPDK_ROOT_DIR)/mk/spdk.common.mk CFLAGS += $(ENV_CFLAGS) -I$(SPDK_ROOT_DIR)/lib/bdev/ -C_SRCS = blockdev_nvme.c +C_SRCS = blockdev_nvme.c blockdev_nvme_rpc.c LIBNAME = bdev_nvme include $(SPDK_ROOT_DIR)/mk/spdk.lib.mk diff --git a/lib/bdev/nvme/blockdev_nvme_rpc.c b/lib/bdev/nvme/blockdev_nvme_rpc.c new file mode 100644 index 000000000..139505b94 --- /dev/null +++ b/lib/bdev/nvme/blockdev_nvme_rpc.c @@ -0,0 +1,102 @@ +/*- + * 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 "blockdev_nvme.h" +#include "spdk/log.h" +#include "spdk/rpc.h" + +struct rpc_construct_nvme { + char *pci_address; +}; + +static void +free_rpc_construct_nvme(struct rpc_construct_nvme *req) +{ + free(req->pci_address); +} + +static const struct spdk_json_object_decoder rpc_construct_nvme_decoders[] = { + {"pci_address", offsetof(struct rpc_construct_nvme, pci_address), spdk_json_decode_string}, +}; + +static void +spdk_rpc_construct_nvme_bdev(struct spdk_jsonrpc_server_conn *conn, + const struct spdk_json_val *params, + const struct spdk_json_val *id) +{ + struct rpc_construct_nvme req = {}; + struct spdk_json_write_ctx *w; + struct nvme_probe_ctx ctx = {}; + unsigned int domain, bus, dev, func; + int rc; + + if (spdk_json_decode_object(params, rpc_construct_nvme_decoders, + sizeof(rpc_construct_nvme_decoders) / sizeof(*rpc_construct_nvme_decoders), + &req)) { + SPDK_TRACELOG(SPDK_TRACE_DEBUG, "spdk_json_decode_object failed\n"); + goto invalid; + } + + ctx.controllers_remaining = 1; + ctx.num_whitelist_controllers = 1; + + rc = sscanf(req.pci_address, "%x:%x:%x.%x", &domain, &bus, &dev, &func); + if (rc != 4) { + goto invalid; + } + + ctx.whitelist[0].domain = domain; + ctx.whitelist[0].bus = bus; + ctx.whitelist[0].dev = dev; + ctx.whitelist[0].func = func; + + if (spdk_bdev_nvme_create(&ctx)) { + goto invalid; + } + + free_rpc_construct_nvme(&req); + + if (id == NULL) { + return; + } + + w = spdk_jsonrpc_begin_result(conn, id); + spdk_json_write_bool(w, true); + spdk_jsonrpc_end_result(conn, w); + return; + +invalid: + spdk_jsonrpc_send_error_response(conn, id, SPDK_JSONRPC_ERROR_INVALID_PARAMS, "Invalid parameters"); + free_rpc_construct_nvme(&req); +} +SPDK_RPC_REGISTER("construct_nvme_bdev", spdk_rpc_construct_nvme_bdev)