LCOV - code coverage report
Current view: top level - lib/nvmf - nvmf_rpc.c (source / functions) Hit Total Coverage
Test: ut_cov_unit.info Lines: 0 1671 0.0 %
Date: 2024-11-20 08:36:58 Functions: 0 121 0.0 %

          Line data    Source code
       1             : /*   SPDX-License-Identifier: BSD-3-Clause
       2             :  *   Copyright (C) 2016 Intel Corporation. All rights reserved.
       3             :  *   Copyright (c) 2018-2021 Mellanox Technologies LTD. All rights reserved.
       4             :  *   Copyright (c) 2021 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
       5             :  */
       6             : 
       7             : #include "spdk/bdev.h"
       8             : #include "spdk/log.h"
       9             : #include "spdk/rpc.h"
      10             : #include "spdk/env.h"
      11             : #include "spdk/nvme.h"
      12             : #include "spdk/nvmf.h"
      13             : #include "spdk/string.h"
      14             : #include "spdk/util.h"
      15             : #include "spdk/bit_array.h"
      16             : #include "spdk/config.h"
      17             : 
      18             : #include "spdk_internal/assert.h"
      19             : 
      20             : #include "nvmf_internal.h"
      21             : 
      22             : static int rpc_ana_state_parse(const char *str, enum spdk_nvme_ana_state *ana_state);
      23             : 
      24             : static int
      25           0 : json_write_hex_str(struct spdk_json_write_ctx *w, const void *data, size_t size)
      26             : {
      27             :         static const char hex_char[16] = "0123456789ABCDEF";
      28           0 :         const uint8_t *buf = data;
      29             :         char *str, *out;
      30             :         int rc;
      31             : 
      32           0 :         str = malloc(size * 2 + 1);
      33           0 :         if (str == NULL) {
      34           0 :                 return -1;
      35             :         }
      36             : 
      37           0 :         out = str;
      38           0 :         while (size--) {
      39           0 :                 unsigned byte = *buf++;
      40             : 
      41           0 :                 out[0] = hex_char[(byte >> 4) & 0xF];
      42           0 :                 out[1] = hex_char[byte & 0xF];
      43             : 
      44           0 :                 out += 2;
      45             :         }
      46           0 :         *out = '\0';
      47             : 
      48           0 :         rc = spdk_json_write_string(w, str);
      49           0 :         free(str);
      50             : 
      51           0 :         return rc;
      52           0 : }
      53             : 
      54             : static int
      55           0 : hex_nybble_to_num(char c)
      56             : {
      57           0 :         if (c >= '0' && c <= '9') {
      58           0 :                 return c - '0';
      59             :         }
      60             : 
      61           0 :         if (c >= 'a' && c <= 'f') {
      62           0 :                 return c - 'a' + 0xA;
      63             :         }
      64             : 
      65           0 :         if (c >= 'A' && c <= 'F') {
      66           0 :                 return c - 'A' + 0xA;
      67             :         }
      68             : 
      69           0 :         return -1;
      70           0 : }
      71             : 
      72             : static int
      73           0 : hex_byte_to_num(const char *str)
      74             : {
      75             :         int hi, lo;
      76             : 
      77           0 :         hi = hex_nybble_to_num(str[0]);
      78           0 :         if (hi < 0) {
      79           0 :                 return hi;
      80             :         }
      81             : 
      82           0 :         lo = hex_nybble_to_num(str[1]);
      83           0 :         if (lo < 0) {
      84           0 :                 return lo;
      85             :         }
      86             : 
      87           0 :         return hi * 16 + lo;
      88           0 : }
      89             : 
      90             : static int
      91           0 : decode_hex_string_be(const char *str, uint8_t *out, size_t size)
      92             : {
      93             :         size_t i;
      94             : 
      95             :         /* Decode a string in "ABCDEF012345" format to its binary representation */
      96           0 :         for (i = 0; i < size; i++) {
      97           0 :                 int num = hex_byte_to_num(str);
      98             : 
      99           0 :                 if (num < 0) {
     100             :                         /* Invalid hex byte or end of string */
     101           0 :                         return -1;
     102             :                 }
     103             : 
     104           0 :                 out[i] = (uint8_t)num;
     105           0 :                 str += 2;
     106           0 :         }
     107             : 
     108           0 :         if (i != size || *str != '\0') {
     109             :                 /* Length mismatch */
     110           0 :                 return -1;
     111             :         }
     112             : 
     113           0 :         return 0;
     114           0 : }
     115             : 
     116             : static int
     117           0 : decode_ns_nguid(const struct spdk_json_val *val, void *out)
     118             : {
     119           0 :         char *str = NULL;
     120             :         int rc;
     121             : 
     122           0 :         rc = spdk_json_decode_string(val, &str);
     123           0 :         if (rc == 0) {
     124             :                 /* 16-byte NGUID */
     125           0 :                 rc = decode_hex_string_be(str, out, 16);
     126           0 :         }
     127             : 
     128           0 :         free(str);
     129           0 :         return rc;
     130             : }
     131             : 
     132             : static int
     133           0 : decode_ns_eui64(const struct spdk_json_val *val, void *out)
     134             : {
     135           0 :         char *str = NULL;
     136             :         int rc;
     137             : 
     138           0 :         rc = spdk_json_decode_string(val, &str);
     139           0 :         if (rc == 0) {
     140             :                 /* 8-byte EUI-64 */
     141           0 :                 rc = decode_hex_string_be(str, out, 8);
     142           0 :         }
     143             : 
     144           0 :         free(str);
     145           0 :         return rc;
     146             : }
     147             : 
     148             : struct rpc_get_subsystem {
     149             :         char *nqn;
     150             :         char *tgt_name;
     151             : };
     152             : 
     153             : static const struct spdk_json_object_decoder rpc_get_subsystem_decoders[] = {
     154             :         {"nqn", offsetof(struct rpc_get_subsystem, nqn), spdk_json_decode_string, true},
     155             :         {"tgt_name", offsetof(struct rpc_get_subsystem, tgt_name), spdk_json_decode_string, true},
     156             : };
     157             : 
     158             : static void
     159           0 : dump_nvmf_subsystem(struct spdk_json_write_ctx *w, struct spdk_nvmf_subsystem *subsystem)
     160             : {
     161             :         struct spdk_nvmf_host                   *host;
     162             :         struct spdk_nvmf_subsystem_listener     *listener;
     163             : 
     164           0 :         spdk_json_write_object_begin(w);
     165             : 
     166           0 :         spdk_json_write_named_string(w, "nqn", spdk_nvmf_subsystem_get_nqn(subsystem));
     167           0 :         spdk_json_write_name(w, "subtype");
     168           0 :         if (spdk_nvmf_subsystem_get_type(subsystem) == SPDK_NVMF_SUBTYPE_NVME) {
     169           0 :                 spdk_json_write_string(w, "NVMe");
     170           0 :         } else {
     171           0 :                 spdk_json_write_string(w, "Discovery");
     172             :         }
     173             : 
     174           0 :         spdk_json_write_named_array_begin(w, "listen_addresses");
     175             : 
     176           0 :         for (listener = spdk_nvmf_subsystem_get_first_listener(subsystem); listener != NULL;
     177           0 :              listener = spdk_nvmf_subsystem_get_next_listener(subsystem, listener)) {
     178             :                 const struct spdk_nvme_transport_id *trid;
     179             : 
     180           0 :                 trid = spdk_nvmf_subsystem_listener_get_trid(listener);
     181             : 
     182           0 :                 spdk_json_write_object_begin(w);
     183           0 :                 nvmf_transport_listen_dump_trid(trid, w);
     184           0 :                 spdk_json_write_object_end(w);
     185           0 :         }
     186           0 :         spdk_json_write_array_end(w);
     187             : 
     188           0 :         spdk_json_write_named_bool(w, "allow_any_host",
     189           0 :                                    spdk_nvmf_subsystem_get_allow_any_host(subsystem));
     190             : 
     191           0 :         spdk_json_write_named_array_begin(w, "hosts");
     192             : 
     193           0 :         for (host = spdk_nvmf_subsystem_get_first_host(subsystem); host != NULL;
     194           0 :              host = spdk_nvmf_subsystem_get_next_host(subsystem, host)) {
     195           0 :                 spdk_json_write_object_begin(w);
     196           0 :                 spdk_json_write_named_string(w, "nqn", spdk_nvmf_host_get_nqn(host));
     197           0 :                 if (host->dhchap_key != NULL) {
     198           0 :                         spdk_json_write_named_string(w, "dhchap_key",
     199           0 :                                                      spdk_key_get_name(host->dhchap_key));
     200           0 :                 }
     201           0 :                 if (host->dhchap_ctrlr_key != NULL) {
     202           0 :                         spdk_json_write_named_string(w, "dhchap_ctrlr_key",
     203           0 :                                                      spdk_key_get_name(host->dhchap_ctrlr_key));
     204           0 :                 }
     205           0 :                 spdk_json_write_object_end(w);
     206           0 :         }
     207           0 :         spdk_json_write_array_end(w);
     208             : 
     209           0 :         if (spdk_nvmf_subsystem_get_type(subsystem) == SPDK_NVMF_SUBTYPE_NVME) {
     210             :                 struct spdk_nvmf_ns *ns;
     211             :                 struct spdk_nvmf_ns_opts ns_opts;
     212             :                 uint32_t max_namespaces;
     213             : 
     214           0 :                 spdk_json_write_named_string(w, "serial_number", spdk_nvmf_subsystem_get_sn(subsystem));
     215             : 
     216           0 :                 spdk_json_write_named_string(w, "model_number", spdk_nvmf_subsystem_get_mn(subsystem));
     217             : 
     218           0 :                 max_namespaces = spdk_nvmf_subsystem_get_max_namespaces(subsystem);
     219           0 :                 if (max_namespaces != 0) {
     220           0 :                         spdk_json_write_named_uint32(w, "max_namespaces", max_namespaces);
     221           0 :                 }
     222             : 
     223           0 :                 spdk_json_write_named_uint32(w, "min_cntlid", spdk_nvmf_subsystem_get_min_cntlid(subsystem));
     224           0 :                 spdk_json_write_named_uint32(w, "max_cntlid", spdk_nvmf_subsystem_get_max_cntlid(subsystem));
     225             : 
     226           0 :                 spdk_json_write_named_array_begin(w, "namespaces");
     227           0 :                 for (ns = spdk_nvmf_subsystem_get_first_ns(subsystem); ns != NULL;
     228           0 :                      ns = spdk_nvmf_subsystem_get_next_ns(subsystem, ns)) {
     229           0 :                         spdk_nvmf_ns_get_opts(ns, &ns_opts, sizeof(ns_opts));
     230           0 :                         spdk_json_write_object_begin(w);
     231           0 :                         spdk_json_write_named_int32(w, "nsid", spdk_nvmf_ns_get_id(ns));
     232           0 :                         spdk_json_write_named_string(w, "bdev_name",
     233           0 :                                                      spdk_bdev_get_name(spdk_nvmf_ns_get_bdev(ns)));
     234             :                         /* NOTE: "name" is kept for compatibility only - new code should use bdev_name. */
     235           0 :                         spdk_json_write_named_string(w, "name",
     236           0 :                                                      spdk_bdev_get_name(spdk_nvmf_ns_get_bdev(ns)));
     237             : 
     238           0 :                         if (!spdk_mem_all_zero(ns_opts.nguid, sizeof(ns_opts.nguid))) {
     239           0 :                                 spdk_json_write_name(w, "nguid");
     240           0 :                                 json_write_hex_str(w, ns_opts.nguid, sizeof(ns_opts.nguid));
     241           0 :                         }
     242             : 
     243           0 :                         if (!spdk_mem_all_zero(ns_opts.eui64, sizeof(ns_opts.eui64))) {
     244           0 :                                 spdk_json_write_name(w, "eui64");
     245           0 :                                 json_write_hex_str(w, ns_opts.eui64, sizeof(ns_opts.eui64));
     246           0 :                         }
     247             : 
     248           0 :                         if (!spdk_uuid_is_null(&ns_opts.uuid)) {
     249           0 :                                 spdk_json_write_named_uuid(w, "uuid", &ns_opts.uuid);
     250           0 :                         }
     251             : 
     252           0 :                         if (spdk_nvmf_subsystem_get_ana_reporting(subsystem)) {
     253           0 :                                 spdk_json_write_named_uint32(w, "anagrpid", ns_opts.anagrpid);
     254           0 :                         }
     255             : 
     256           0 :                         spdk_json_write_object_end(w);
     257           0 :                 }
     258           0 :                 spdk_json_write_array_end(w);
     259           0 :         }
     260           0 :         spdk_json_write_object_end(w);
     261           0 : }
     262             : 
     263             : static void
     264           0 : rpc_nvmf_get_subsystems(struct spdk_jsonrpc_request *request,
     265             :                         const struct spdk_json_val *params)
     266             : {
     267           0 :         struct rpc_get_subsystem req = { 0 };
     268             :         struct spdk_json_write_ctx *w;
     269           0 :         struct spdk_nvmf_subsystem *subsystem = NULL;
     270             :         struct spdk_nvmf_tgt *tgt;
     271             : 
     272           0 :         if (params) {
     273           0 :                 if (spdk_json_decode_object(params, rpc_get_subsystem_decoders,
     274             :                                             SPDK_COUNTOF(rpc_get_subsystem_decoders),
     275             :                                             &req)) {
     276           0 :                         SPDK_ERRLOG("spdk_json_decode_object failed\n");
     277           0 :                         spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, "Invalid parameters");
     278           0 :                         return;
     279             :                 }
     280           0 :         }
     281             : 
     282           0 :         tgt = spdk_nvmf_get_tgt(req.tgt_name);
     283           0 :         if (!tgt) {
     284           0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
     285             :                                                  "Unable to find a target.");
     286           0 :                 free(req.tgt_name);
     287           0 :                 free(req.nqn);
     288           0 :                 return;
     289             :         }
     290             : 
     291           0 :         if (req.nqn) {
     292           0 :                 subsystem = spdk_nvmf_tgt_find_subsystem(tgt, req.nqn);
     293           0 :                 if (!subsystem) {
     294           0 :                         SPDK_ERRLOG("subsystem '%s' does not exist\n", req.nqn);
     295           0 :                         spdk_jsonrpc_send_error_response(request, -ENODEV, spdk_strerror(ENODEV));
     296           0 :                         free(req.tgt_name);
     297           0 :                         free(req.nqn);
     298           0 :                         return;
     299             :                 }
     300           0 :         }
     301             : 
     302           0 :         w = spdk_jsonrpc_begin_result(request);
     303           0 :         spdk_json_write_array_begin(w);
     304             : 
     305           0 :         if (subsystem) {
     306           0 :                 dump_nvmf_subsystem(w, subsystem);
     307           0 :         } else {
     308           0 :                 for (subsystem = spdk_nvmf_subsystem_get_first(tgt); subsystem != NULL;
     309           0 :                      subsystem = spdk_nvmf_subsystem_get_next(subsystem)) {
     310           0 :                         dump_nvmf_subsystem(w, subsystem);
     311           0 :                 }
     312             :         }
     313             : 
     314           0 :         spdk_json_write_array_end(w);
     315           0 :         spdk_jsonrpc_end_result(request, w);
     316           0 :         free(req.tgt_name);
     317           0 :         free(req.nqn);
     318           0 : }
     319           0 : SPDK_RPC_REGISTER("nvmf_get_subsystems", rpc_nvmf_get_subsystems, SPDK_RPC_RUNTIME)
     320             : 
     321             : struct rpc_subsystem_create {
     322             :         char *nqn;
     323             :         char *serial_number;
     324             :         char *model_number;
     325             :         char *tgt_name;
     326             :         uint32_t max_namespaces;
     327             :         bool allow_any_host;
     328             :         bool ana_reporting;
     329             :         uint16_t min_cntlid;
     330             :         uint16_t max_cntlid;
     331             :         uint64_t max_discard_size_kib;
     332             :         uint64_t max_write_zeroes_size_kib;
     333             :         bool passthrough;
     334             : };
     335             : 
     336             : static const struct spdk_json_object_decoder rpc_subsystem_create_decoders[] = {
     337             :         {"nqn", offsetof(struct rpc_subsystem_create, nqn), spdk_json_decode_string},
     338             :         {"serial_number", offsetof(struct rpc_subsystem_create, serial_number), spdk_json_decode_string, true},
     339             :         {"model_number", offsetof(struct rpc_subsystem_create, model_number), spdk_json_decode_string, true},
     340             :         {"tgt_name", offsetof(struct rpc_subsystem_create, tgt_name), spdk_json_decode_string, true},
     341             :         {"max_namespaces", offsetof(struct rpc_subsystem_create, max_namespaces), spdk_json_decode_uint32, true},
     342             :         {"allow_any_host", offsetof(struct rpc_subsystem_create, allow_any_host), spdk_json_decode_bool, true},
     343             :         {"ana_reporting", offsetof(struct rpc_subsystem_create, ana_reporting), spdk_json_decode_bool, true},
     344             :         {"min_cntlid", offsetof(struct rpc_subsystem_create, min_cntlid), spdk_json_decode_uint16, true},
     345             :         {"max_cntlid", offsetof(struct rpc_subsystem_create, max_cntlid), spdk_json_decode_uint16, true},
     346             :         {"max_discard_size_kib", offsetof(struct rpc_subsystem_create, max_discard_size_kib), spdk_json_decode_uint64, true},
     347             :         {"max_write_zeroes_size_kib", offsetof(struct rpc_subsystem_create, max_write_zeroes_size_kib), spdk_json_decode_uint64, true},
     348             :         {"passthrough", offsetof(struct rpc_subsystem_create, passthrough), spdk_json_decode_bool, true},
     349             : };
     350             : 
     351             : static void
     352           0 : rpc_nvmf_subsystem_started(struct spdk_nvmf_subsystem *subsystem,
     353             :                            void *cb_arg, int status)
     354             : {
     355           0 :         struct spdk_jsonrpc_request *request = cb_arg;
     356             : 
     357           0 :         if (!status) {
     358           0 :                 spdk_jsonrpc_send_bool_response(request, true);
     359           0 :         } else {
     360           0 :                 spdk_jsonrpc_send_error_response_fmt(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
     361             :                                                      "Subsystem %s start failed",
     362           0 :                                                      subsystem->subnqn);
     363           0 :                 spdk_nvmf_subsystem_destroy(subsystem, NULL, NULL);
     364             :         }
     365           0 : }
     366             : 
     367             : static void
     368           0 : rpc_nvmf_create_subsystem(struct spdk_jsonrpc_request *request,
     369             :                           const struct spdk_json_val *params)
     370             : {
     371             :         struct rpc_subsystem_create *req;
     372           0 :         struct spdk_nvmf_subsystem *subsystem = NULL;
     373             :         struct spdk_nvmf_tgt *tgt;
     374           0 :         int rc = -1;
     375             : 
     376           0 :         req = calloc(1, sizeof(*req));
     377           0 :         if (!req) {
     378           0 :                 SPDK_ERRLOG("Memory allocation failed\n");
     379           0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
     380             :                                                  "Memory allocation failed");
     381           0 :                 return;
     382             :         }
     383           0 :         req->min_cntlid = NVMF_MIN_CNTLID;
     384           0 :         req->max_cntlid = NVMF_MAX_CNTLID;
     385             : 
     386           0 :         if (spdk_json_decode_object(params, rpc_subsystem_create_decoders,
     387             :                                     SPDK_COUNTOF(rpc_subsystem_create_decoders),
     388           0 :                                     req)) {
     389           0 :                 SPDK_ERRLOG("spdk_json_decode_object failed\n");
     390           0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, "Invalid parameters");
     391           0 :                 goto cleanup;
     392             :         }
     393             : 
     394           0 :         tgt = spdk_nvmf_get_tgt(req->tgt_name);
     395           0 :         if (!tgt) {
     396           0 :                 SPDK_ERRLOG("Unable to find target %s\n", req->tgt_name);
     397           0 :                 spdk_jsonrpc_send_error_response_fmt(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
     398           0 :                                                      "Unable to find target %s", req->tgt_name);
     399           0 :                 goto cleanup;
     400             :         }
     401             : 
     402           0 :         subsystem = spdk_nvmf_subsystem_create(tgt, req->nqn, SPDK_NVMF_SUBTYPE_NVME,
     403           0 :                                                req->max_namespaces);
     404           0 :         if (!subsystem) {
     405           0 :                 SPDK_ERRLOG("Unable to create subsystem %s\n", req->nqn);
     406           0 :                 spdk_jsonrpc_send_error_response_fmt(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
     407           0 :                                                      "Unable to create subsystem %s", req->nqn);
     408           0 :                 goto cleanup;
     409             :         }
     410             : 
     411           0 :         if (req->serial_number) {
     412           0 :                 if (spdk_nvmf_subsystem_set_sn(subsystem, req->serial_number)) {
     413           0 :                         SPDK_ERRLOG("Subsystem %s: invalid serial number '%s'\n", req->nqn, req->serial_number);
     414           0 :                         spdk_jsonrpc_send_error_response_fmt(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
     415           0 :                                                              "Invalid SN %s", req->serial_number);
     416           0 :                         goto cleanup;
     417             :                 }
     418           0 :         }
     419             : 
     420           0 :         if (req->model_number) {
     421           0 :                 if (spdk_nvmf_subsystem_set_mn(subsystem, req->model_number)) {
     422           0 :                         SPDK_ERRLOG("Subsystem %s: invalid model number '%s'\n", req->nqn, req->model_number);
     423           0 :                         spdk_jsonrpc_send_error_response_fmt(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
     424           0 :                                                              "Invalid MN %s", req->model_number);
     425           0 :                         goto cleanup;
     426             :                 }
     427           0 :         }
     428             : 
     429           0 :         spdk_nvmf_subsystem_set_allow_any_host(subsystem, req->allow_any_host);
     430             : 
     431           0 :         spdk_nvmf_subsystem_set_ana_reporting(subsystem, req->ana_reporting);
     432             : 
     433           0 :         if (spdk_nvmf_subsystem_set_cntlid_range(subsystem, req->min_cntlid, req->max_cntlid)) {
     434           0 :                 SPDK_ERRLOG("Subsystem %s: invalid cntlid range [%u-%u]\n", req->nqn, req->min_cntlid,
     435             :                             req->max_cntlid);
     436           0 :                 spdk_jsonrpc_send_error_response_fmt(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
     437           0 :                                                      "Invalid cntlid range [%u-%u]", req->min_cntlid, req->max_cntlid);
     438           0 :                 goto cleanup;
     439             :         }
     440             : 
     441           0 :         subsystem->max_discard_size_kib = req->max_discard_size_kib;
     442             : 
     443             :         /* max_write_zeroes_size_kib must be aligned to 4 and power of 2 */
     444           0 :         if (req->max_write_zeroes_size_kib == 0 || (req->max_write_zeroes_size_kib > 2 &&
     445           0 :                         spdk_u64_is_pow2(req->max_write_zeroes_size_kib))) {
     446           0 :                 subsystem->max_write_zeroes_size_kib = req->max_write_zeroes_size_kib;
     447           0 :         } else {
     448           0 :                 SPDK_ERRLOG("Subsystem %s: invalid max_write_zeroes_size_kib %"PRIu64"\n", req->nqn,
     449             :                             req->max_write_zeroes_size_kib);
     450           0 :                 spdk_jsonrpc_send_error_response_fmt(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
     451           0 :                                                      "Invalid max_write_zeroes_size_kib %"PRIu64, req->max_write_zeroes_size_kib);
     452           0 :                 goto cleanup;
     453             :         }
     454             : 
     455           0 :         subsystem->passthrough = req->passthrough;
     456             : 
     457           0 :         rc = spdk_nvmf_subsystem_start(subsystem,
     458             :                                        rpc_nvmf_subsystem_started,
     459           0 :                                        request);
     460           0 :         if (rc) {
     461           0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
     462             :                                                  "Failed to start subsystem");
     463           0 :         }
     464             : 
     465             : cleanup:
     466           0 :         free(req->nqn);
     467           0 :         free(req->tgt_name);
     468           0 :         free(req->serial_number);
     469           0 :         free(req->model_number);
     470           0 :         free(req);
     471             : 
     472           0 :         if (rc && subsystem) {
     473           0 :                 spdk_nvmf_subsystem_destroy(subsystem, NULL, NULL);
     474           0 :         }
     475           0 : }
     476           0 : SPDK_RPC_REGISTER("nvmf_create_subsystem", rpc_nvmf_create_subsystem, SPDK_RPC_RUNTIME)
     477             : 
     478             : struct rpc_delete_subsystem {
     479             :         char *nqn;
     480             :         char *tgt_name;
     481             : };
     482             : 
     483             : static void
     484           0 : free_rpc_delete_subsystem(struct rpc_delete_subsystem *r)
     485             : {
     486           0 :         free(r->nqn);
     487           0 :         free(r->tgt_name);
     488           0 : }
     489             : 
     490             : static void
     491           0 : rpc_nvmf_subsystem_destroy_complete_cb(void *cb_arg)
     492             : {
     493           0 :         struct spdk_jsonrpc_request *request = cb_arg;
     494             : 
     495           0 :         spdk_jsonrpc_send_bool_response(request, true);
     496           0 : }
     497             : 
     498             : static void
     499           0 : rpc_nvmf_subsystem_stopped(struct spdk_nvmf_subsystem *subsystem,
     500             :                            void *cb_arg, int status)
     501             : {
     502           0 :         struct spdk_jsonrpc_request *request = cb_arg;
     503             :         int rc;
     504             : 
     505           0 :         nvmf_subsystem_remove_all_listeners(subsystem, true);
     506           0 :         rc = spdk_nvmf_subsystem_destroy(subsystem, rpc_nvmf_subsystem_destroy_complete_cb, request);
     507           0 :         if (rc) {
     508           0 :                 if (rc == -EINPROGRESS) {
     509             :                         /* response will be sent in completion callback */
     510           0 :                         return;
     511             :                 } else {
     512           0 :                         SPDK_ERRLOG("Subsystem destruction failed, rc %d\n", rc);
     513           0 :                         spdk_jsonrpc_send_error_response_fmt(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
     514           0 :                                                              "Subsystem destruction failed, rc %d", rc);
     515           0 :                         return;
     516             :                 }
     517             :         }
     518           0 :         spdk_jsonrpc_send_bool_response(request, true);
     519           0 : }
     520             : 
     521             : static const struct spdk_json_object_decoder rpc_delete_subsystem_decoders[] = {
     522             :         {"nqn", offsetof(struct rpc_delete_subsystem, nqn), spdk_json_decode_string},
     523             :         {"tgt_name", offsetof(struct rpc_delete_subsystem, tgt_name), spdk_json_decode_string, true},
     524             : };
     525             : 
     526             : static void
     527           0 : rpc_nvmf_delete_subsystem(struct spdk_jsonrpc_request *request,
     528             :                           const struct spdk_json_val *params)
     529             : {
     530           0 :         struct rpc_delete_subsystem req = { 0 };
     531             :         struct spdk_nvmf_subsystem *subsystem;
     532             :         struct spdk_nvmf_tgt *tgt;
     533             :         int rc;
     534             : 
     535           0 :         if (spdk_json_decode_object(params, rpc_delete_subsystem_decoders,
     536             :                                     SPDK_COUNTOF(rpc_delete_subsystem_decoders),
     537             :                                     &req)) {
     538           0 :                 SPDK_ERRLOG("spdk_json_decode_object failed\n");
     539           0 :                 goto invalid;
     540             :         }
     541             : 
     542           0 :         if (req.nqn == NULL) {
     543           0 :                 SPDK_ERRLOG("missing name param\n");
     544           0 :                 goto invalid;
     545             :         }
     546             : 
     547           0 :         tgt = spdk_nvmf_get_tgt(req.tgt_name);
     548           0 :         if (!tgt) {
     549           0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
     550             :                                                  "Unable to find a target.");
     551           0 :                 goto invalid_custom_response;
     552             :         }
     553             : 
     554           0 :         subsystem = spdk_nvmf_tgt_find_subsystem(tgt, req.nqn);
     555           0 :         if (!subsystem) {
     556           0 :                 goto invalid;
     557             :         }
     558             : 
     559           0 :         free_rpc_delete_subsystem(&req);
     560             : 
     561           0 :         rc = spdk_nvmf_subsystem_stop(subsystem,
     562             :                                       rpc_nvmf_subsystem_stopped,
     563           0 :                                       request);
     564           0 :         if (rc == -EBUSY) {
     565           0 :                 SPDK_ERRLOG("Subsystem currently in another state change try again later.\n");
     566           0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
     567             :                                                  "Subsystem currently in another state change try again later.");
     568           0 :         } else if (rc != 0) {
     569           0 :                 SPDK_ERRLOG("Unable to change state on subsystem. rc=%d\n", rc);
     570           0 :                 spdk_jsonrpc_send_error_response_fmt(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
     571           0 :                                                      "Unable to change state on subsystem. rc=%d", rc);
     572           0 :         }
     573             : 
     574           0 :         return;
     575             : 
     576             : invalid:
     577           0 :         spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, "Invalid parameters");
     578             : invalid_custom_response:
     579           0 :         free_rpc_delete_subsystem(&req);
     580           0 : }
     581           0 : SPDK_RPC_REGISTER("nvmf_delete_subsystem", rpc_nvmf_delete_subsystem, SPDK_RPC_RUNTIME)
     582             : 
     583             : struct rpc_listen_address {
     584             :         char *trtype;
     585             :         char *adrfam;
     586             :         char *traddr;
     587             :         char *trsvcid;
     588             : };
     589             : 
     590             : static const struct spdk_json_object_decoder rpc_listen_address_decoders[] = {
     591             :         {"trtype", offsetof(struct rpc_listen_address, trtype), spdk_json_decode_string, true},
     592             :         {"adrfam", offsetof(struct rpc_listen_address, adrfam), spdk_json_decode_string, true},
     593             :         {"traddr", offsetof(struct rpc_listen_address, traddr), spdk_json_decode_string},
     594             :         {"trsvcid", offsetof(struct rpc_listen_address, trsvcid), spdk_json_decode_string, true},
     595             : };
     596             : 
     597             : static int
     598           0 : decode_rpc_listen_address(const struct spdk_json_val *val, void *out)
     599             : {
     600           0 :         struct rpc_listen_address *req = (struct rpc_listen_address *)out;
     601             : 
     602           0 :         return spdk_json_decode_object(val, rpc_listen_address_decoders,
     603           0 :                                        SPDK_COUNTOF(rpc_listen_address_decoders), req);
     604             : }
     605             : 
     606             : static void
     607           0 : free_rpc_listen_address(struct rpc_listen_address *r)
     608             : {
     609           0 :         free(r->trtype);
     610           0 :         free(r->adrfam);
     611           0 :         free(r->traddr);
     612           0 :         free(r->trsvcid);
     613           0 : }
     614             : 
     615             : enum nvmf_rpc_listen_op {
     616             :         NVMF_RPC_LISTEN_ADD,
     617             :         NVMF_RPC_LISTEN_REMOVE,
     618             :         NVMF_RPC_LISTEN_SET_ANA_STATE,
     619             : };
     620             : 
     621             : struct nvmf_rpc_listener_ctx {
     622             :         char                            *nqn;
     623             :         char                            *tgt_name;
     624             :         struct spdk_nvmf_tgt            *tgt;
     625             :         struct spdk_nvmf_transport      *transport;
     626             :         struct spdk_nvmf_subsystem      *subsystem;
     627             :         struct rpc_listen_address       address;
     628             :         char                            *ana_state_str;
     629             :         enum spdk_nvme_ana_state        ana_state;
     630             :         uint32_t                        anagrpid;
     631             : 
     632             :         struct spdk_jsonrpc_request     *request;
     633             :         struct spdk_nvme_transport_id   trid;
     634             :         enum nvmf_rpc_listen_op         op;
     635             :         bool                            response_sent;
     636             :         struct spdk_nvmf_listen_opts    opts;
     637             : 
     638             :         /* Hole at bytes 705-711 */
     639             :         uint8_t reserved1[7];
     640             : 
     641             :         /* Additional options for listener creation.
     642             :          * Must be 8-byte aligned. */
     643             :         struct spdk_nvmf_listener_opts  listener_opts;
     644             : };
     645             : 
     646             : static const struct spdk_json_object_decoder nvmf_rpc_listener_decoder[] = {
     647             :         {"nqn", offsetof(struct nvmf_rpc_listener_ctx, nqn), spdk_json_decode_string},
     648             :         {"listen_address", offsetof(struct nvmf_rpc_listener_ctx, address), decode_rpc_listen_address},
     649             :         {"tgt_name", offsetof(struct nvmf_rpc_listener_ctx, tgt_name), spdk_json_decode_string, true},
     650             :         {"secure_channel", offsetof(struct nvmf_rpc_listener_ctx, listener_opts.secure_channel), spdk_json_decode_bool, true},
     651             :         {"ana_state", offsetof(struct nvmf_rpc_listener_ctx, ana_state_str), spdk_json_decode_string, true},
     652             :         {"sock_impl", offsetof(struct nvmf_rpc_listener_ctx, listener_opts.sock_impl), spdk_json_decode_string, true},
     653             : };
     654             : 
     655             : static void
     656           0 : nvmf_rpc_listener_ctx_free(struct nvmf_rpc_listener_ctx *ctx)
     657             : {
     658           0 :         free(ctx->nqn);
     659           0 :         free(ctx->tgt_name);
     660           0 :         free_rpc_listen_address(&ctx->address);
     661           0 :         free(ctx->ana_state_str);
     662           0 :         free(ctx);
     663           0 : }
     664             : 
     665             : static void
     666           0 : nvmf_rpc_listen_resumed(struct spdk_nvmf_subsystem *subsystem,
     667             :                         void *cb_arg, int status)
     668             : {
     669           0 :         struct nvmf_rpc_listener_ctx *ctx = cb_arg;
     670             :         struct spdk_jsonrpc_request *request;
     671             : 
     672           0 :         request = ctx->request;
     673           0 :         if (ctx->response_sent) {
     674             :                 /* If an error occurred, the response has already been sent. */
     675           0 :                 nvmf_rpc_listener_ctx_free(ctx);
     676           0 :                 return;
     677             :         }
     678             : 
     679           0 :         nvmf_rpc_listener_ctx_free(ctx);
     680             : 
     681           0 :         spdk_jsonrpc_send_bool_response(request, true);
     682           0 : }
     683             : 
     684             : static void
     685           0 : nvmf_rpc_subsystem_listen(void *cb_arg, int status)
     686             : {
     687           0 :         struct nvmf_rpc_listener_ctx *ctx = cb_arg;
     688             : 
     689           0 :         if (status) {
     690             :                 /* Destroy the listener that we just created. Ignore the error code because
     691             :                  * the RPC is failing already anyway. */
     692           0 :                 spdk_nvmf_tgt_stop_listen(ctx->tgt, &ctx->trid);
     693             : 
     694           0 :                 spdk_jsonrpc_send_error_response(ctx->request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
     695             :                                                  "Invalid parameters");
     696           0 :                 ctx->response_sent = true;
     697           0 :         }
     698             : 
     699           0 :         if (spdk_nvmf_subsystem_resume(ctx->subsystem, nvmf_rpc_listen_resumed, ctx)) {
     700           0 :                 if (!ctx->response_sent) {
     701           0 :                         spdk_jsonrpc_send_error_response(ctx->request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
     702             :                                                          "Internal error");
     703           0 :                 }
     704           0 :                 nvmf_rpc_listener_ctx_free(ctx);
     705             :                 /* Can't really do anything to recover here - subsystem will remain paused. */
     706           0 :         }
     707           0 : }
     708             : static void
     709           0 : nvmf_rpc_stop_listen_async_done(void *cb_arg, int status)
     710             : {
     711           0 :         struct nvmf_rpc_listener_ctx *ctx = cb_arg;
     712             : 
     713           0 :         if (status) {
     714           0 :                 SPDK_ERRLOG("Unable to stop listener.\n");
     715           0 :                 spdk_jsonrpc_send_error_response_fmt(ctx->request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
     716           0 :                                                      "error stopping listener: %d", status);
     717           0 :                 ctx->response_sent = true;
     718           0 :         }
     719             : 
     720           0 :         if (spdk_nvmf_subsystem_resume(ctx->subsystem, nvmf_rpc_listen_resumed, ctx)) {
     721           0 :                 if (!ctx->response_sent) {
     722           0 :                         spdk_jsonrpc_send_error_response(ctx->request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
     723             :                                                          "Internal error");
     724           0 :                 }
     725           0 :                 nvmf_rpc_listener_ctx_free(ctx);
     726             :                 /* Can't really do anything to recover here - subsystem will remain paused. */
     727           0 :         }
     728           0 : }
     729             : 
     730             : static void
     731           0 : nvmf_rpc_set_ana_state_done(void *cb_arg, int status)
     732             : {
     733           0 :         struct nvmf_rpc_listener_ctx *ctx = cb_arg;
     734             : 
     735           0 :         if (status) {
     736           0 :                 SPDK_ERRLOG("Unable to set ANA state.\n");
     737           0 :                 spdk_jsonrpc_send_error_response_fmt(ctx->request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
     738           0 :                                                      "error setting ANA state: %d", status);
     739           0 :                 ctx->response_sent = true;
     740           0 :         }
     741             : 
     742           0 :         if (spdk_nvmf_subsystem_resume(ctx->subsystem, nvmf_rpc_listen_resumed, ctx)) {
     743           0 :                 if (!ctx->response_sent) {
     744           0 :                         spdk_jsonrpc_send_error_response(ctx->request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
     745             :                                                          "Internal error");
     746           0 :                 }
     747           0 :                 nvmf_rpc_listener_ctx_free(ctx);
     748             :                 /* Can't really do anything to recover here - subsystem will remain paused. */
     749           0 :         }
     750           0 : }
     751             : 
     752             : static void
     753           0 : nvmf_rpc_listen_paused(struct spdk_nvmf_subsystem *subsystem,
     754             :                        void *cb_arg, int status)
     755             : {
     756           0 :         struct nvmf_rpc_listener_ctx *ctx = cb_arg;
     757             :         int rc;
     758             : 
     759           0 :         switch (ctx->op) {
     760             :         case NVMF_RPC_LISTEN_ADD:
     761           0 :                 if (nvmf_subsystem_find_listener(subsystem, &ctx->trid)) {
     762           0 :                         SPDK_ERRLOG("Listener already exists\n");
     763           0 :                         spdk_jsonrpc_send_error_response(ctx->request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
     764             :                                                          "Invalid parameters");
     765           0 :                         ctx->response_sent = true;
     766           0 :                         break;
     767             :                 }
     768             : 
     769           0 :                 rc = spdk_nvmf_tgt_listen_ext(ctx->tgt, &ctx->trid, &ctx->opts);
     770           0 :                 if (rc) {
     771           0 :                         spdk_jsonrpc_send_error_response(ctx->request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
     772             :                                                          "Invalid parameters");
     773           0 :                         ctx->response_sent = true;
     774           0 :                         break;
     775             :                 }
     776             : 
     777           0 :                 spdk_nvmf_subsystem_add_listener_ext(ctx->subsystem, &ctx->trid, nvmf_rpc_subsystem_listen, ctx,
     778           0 :                                                      &ctx->listener_opts);
     779           0 :                 return;
     780             :         case NVMF_RPC_LISTEN_REMOVE:
     781           0 :                 rc = spdk_nvmf_subsystem_remove_listener(subsystem, &ctx->trid);
     782           0 :                 if (rc) {
     783           0 :                         SPDK_ERRLOG("Unable to remove listener, rc %d\n", rc);
     784           0 :                         spdk_jsonrpc_send_error_response(ctx->request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
     785             :                                                          "Invalid parameters");
     786           0 :                         ctx->response_sent = true;
     787           0 :                         break;
     788             :                 }
     789             : 
     790           0 :                 spdk_nvmf_transport_stop_listen_async(ctx->transport, &ctx->trid, subsystem,
     791           0 :                                                       nvmf_rpc_stop_listen_async_done, ctx);
     792           0 :                 return;
     793             :         case NVMF_RPC_LISTEN_SET_ANA_STATE:
     794           0 :                 spdk_nvmf_subsystem_set_ana_state(subsystem, &ctx->trid, ctx->ana_state, ctx->anagrpid,
     795           0 :                                                   nvmf_rpc_set_ana_state_done, ctx);
     796           0 :                 return;
     797             :         default:
     798           0 :                 SPDK_UNREACHABLE();
     799             :         }
     800             : 
     801           0 :         if (spdk_nvmf_subsystem_resume(subsystem, nvmf_rpc_listen_resumed, ctx)) {
     802           0 :                 if (!ctx->response_sent) {
     803           0 :                         spdk_jsonrpc_send_error_response(ctx->request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
     804             :                                                          "Internal error");
     805           0 :                 }
     806             : 
     807           0 :                 nvmf_rpc_listener_ctx_free(ctx);
     808             :                 /* Can't really do anything to recover here - subsystem will remain paused. */
     809           0 :         }
     810           0 : }
     811             : 
     812             : static int
     813           0 : rpc_listen_address_to_trid(const struct rpc_listen_address *address,
     814             :                            struct spdk_nvme_transport_id *trid)
     815             : {
     816             :         size_t len;
     817             : 
     818           0 :         memset(trid, 0, sizeof(*trid));
     819             : 
     820           0 :         if (spdk_nvme_transport_id_populate_trstring(trid, address->trtype)) {
     821           0 :                 SPDK_ERRLOG("Invalid trtype string: %s\n", address->trtype);
     822           0 :                 return -EINVAL;
     823             :         }
     824             : 
     825           0 :         if (spdk_nvme_transport_id_parse_trtype(&trid->trtype, address->trtype)) {
     826           0 :                 SPDK_ERRLOG("Invalid trtype type: %s\n", address->trtype);
     827           0 :                 return -EINVAL;
     828             :         }
     829             : 
     830           0 :         if (address->adrfam) {
     831           0 :                 if (spdk_nvme_transport_id_parse_adrfam(&trid->adrfam, address->adrfam)) {
     832           0 :                         SPDK_ERRLOG("Invalid adrfam: %s\n", address->adrfam);
     833           0 :                         return -EINVAL;
     834             :                 }
     835           0 :         } else {
     836           0 :                 trid->adrfam = SPDK_NVMF_ADRFAM_IPV4;
     837             :         }
     838             : 
     839           0 :         len = strlen(address->traddr);
     840           0 :         if (len > sizeof(trid->traddr) - 1) {
     841           0 :                 SPDK_ERRLOG("Transport address longer than %zu characters: %s\n",
     842             :                             sizeof(trid->traddr) - 1, address->traddr);
     843           0 :                 return -EINVAL;
     844             :         }
     845           0 :         memcpy(trid->traddr, address->traddr, len + 1);
     846             : 
     847           0 :         trid->trsvcid[0] = '\0';
     848           0 :         if (address->trsvcid) {
     849           0 :                 len = strlen(address->trsvcid);
     850           0 :                 if (len > sizeof(trid->trsvcid) - 1) {
     851           0 :                         SPDK_ERRLOG("Transport service id longer than %zu characters: %s\n",
     852             :                                     sizeof(trid->trsvcid) - 1, address->trsvcid);
     853           0 :                         return -EINVAL;
     854             :                 }
     855           0 :                 memcpy(trid->trsvcid, address->trsvcid, len + 1);
     856           0 :         }
     857             : 
     858           0 :         return 0;
     859           0 : }
     860             : 
     861             : static void
     862           0 : rpc_nvmf_subsystem_add_listener(struct spdk_jsonrpc_request *request,
     863             :                                 const struct spdk_json_val *params)
     864             : {
     865             :         struct nvmf_rpc_listener_ctx *ctx;
     866             :         struct spdk_nvmf_subsystem *subsystem;
     867             :         struct spdk_nvmf_tgt *tgt;
     868             :         int rc;
     869             : 
     870           0 :         ctx = calloc(1, sizeof(*ctx));
     871           0 :         if (!ctx) {
     872           0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR, "Out of memory");
     873           0 :                 return;
     874             :         }
     875             : 
     876           0 :         ctx->request = request;
     877             : 
     878           0 :         spdk_nvmf_subsystem_listener_opts_init(&ctx->listener_opts, sizeof(ctx->listener_opts));
     879             : 
     880           0 :         if (spdk_json_decode_object_relaxed(params, nvmf_rpc_listener_decoder,
     881             :                                             SPDK_COUNTOF(nvmf_rpc_listener_decoder),
     882           0 :                                             ctx)) {
     883           0 :                 SPDK_ERRLOG("spdk_json_decode_object_relaxed failed\n");
     884           0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, "Invalid parameters");
     885           0 :                 nvmf_rpc_listener_ctx_free(ctx);
     886           0 :                 return;
     887             :         }
     888             : 
     889           0 :         tgt = spdk_nvmf_get_tgt(ctx->tgt_name);
     890           0 :         if (!tgt) {
     891           0 :                 SPDK_ERRLOG("Unable to find a target object.\n");
     892           0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
     893             :                                                  "Unable to find a target.");
     894           0 :                 nvmf_rpc_listener_ctx_free(ctx);
     895           0 :                 return;
     896             :         }
     897           0 :         ctx->tgt = tgt;
     898             : 
     899           0 :         subsystem = spdk_nvmf_tgt_find_subsystem(tgt, ctx->nqn);
     900           0 :         if (!subsystem) {
     901           0 :                 SPDK_ERRLOG("Unable to find subsystem with NQN %s\n", ctx->nqn);
     902           0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, "Invalid parameters");
     903           0 :                 nvmf_rpc_listener_ctx_free(ctx);
     904           0 :                 return;
     905             :         }
     906             : 
     907           0 :         ctx->subsystem = subsystem;
     908             : 
     909           0 :         if (rpc_listen_address_to_trid(&ctx->address, &ctx->trid)) {
     910           0 :                 spdk_jsonrpc_send_error_response(ctx->request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
     911             :                                                  "Invalid parameters");
     912           0 :                 nvmf_rpc_listener_ctx_free(ctx);
     913           0 :                 return;
     914             :         }
     915             : 
     916           0 :         ctx->op = NVMF_RPC_LISTEN_ADD;
     917           0 :         spdk_nvmf_listen_opts_init(&ctx->opts, sizeof(ctx->opts));
     918           0 :         ctx->opts.transport_specific = params;
     919           0 :         if (spdk_nvmf_subsystem_get_allow_any_host(subsystem) && ctx->listener_opts.secure_channel) {
     920           0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
     921             :                                                  "Cannot establish secure channel, when 'allow_any_host' is set");
     922           0 :                 nvmf_rpc_listener_ctx_free(ctx);
     923           0 :                 return;
     924             :         }
     925           0 :         ctx->opts.secure_channel = ctx->listener_opts.secure_channel;
     926             : 
     927           0 :         if (ctx->ana_state_str) {
     928           0 :                 if (rpc_ana_state_parse(ctx->ana_state_str, &ctx->ana_state)) {
     929           0 :                         spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
     930             :                                                          "Invalid parameters");
     931           0 :                         nvmf_rpc_listener_ctx_free(ctx);
     932           0 :                         return;
     933             :                 }
     934           0 :                 ctx->listener_opts.ana_state = ctx->ana_state;
     935           0 :         }
     936             : 
     937           0 :         ctx->opts.sock_impl = ctx->listener_opts.sock_impl;
     938             : 
     939           0 :         rc = spdk_nvmf_subsystem_pause(subsystem, 0, nvmf_rpc_listen_paused, ctx);
     940           0 :         if (rc != 0) {
     941           0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR, "Internal error");
     942           0 :                 nvmf_rpc_listener_ctx_free(ctx);
     943           0 :         }
     944           0 : }
     945           0 : SPDK_RPC_REGISTER("nvmf_subsystem_add_listener", rpc_nvmf_subsystem_add_listener,
     946             :                   SPDK_RPC_RUNTIME);
     947             : 
     948             : static void
     949           0 : rpc_nvmf_subsystem_remove_listener(struct spdk_jsonrpc_request *request,
     950             :                                    const struct spdk_json_val *params)
     951             : {
     952             :         struct nvmf_rpc_listener_ctx *ctx;
     953             :         struct spdk_nvmf_subsystem *subsystem;
     954             :         struct spdk_nvmf_tgt *tgt;
     955             :         int rc;
     956             : 
     957           0 :         ctx = calloc(1, sizeof(*ctx));
     958           0 :         if (!ctx) {
     959           0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR, "Out of memory");
     960           0 :                 return;
     961             :         }
     962             : 
     963           0 :         ctx->request = request;
     964             : 
     965           0 :         if (spdk_json_decode_object(params, nvmf_rpc_listener_decoder,
     966             :                                     SPDK_COUNTOF(nvmf_rpc_listener_decoder),
     967           0 :                                     ctx)) {
     968           0 :                 SPDK_ERRLOG("spdk_json_decode_object failed\n");
     969           0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, "Invalid parameters");
     970           0 :                 nvmf_rpc_listener_ctx_free(ctx);
     971           0 :                 return;
     972             :         }
     973             : 
     974           0 :         tgt = spdk_nvmf_get_tgt(ctx->tgt_name);
     975           0 :         if (!tgt) {
     976           0 :                 SPDK_ERRLOG("Unable to find a target object.\n");
     977           0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
     978             :                                                  "Unable to find a target.");
     979           0 :                 nvmf_rpc_listener_ctx_free(ctx);
     980           0 :                 return;
     981             :         }
     982           0 :         ctx->tgt = tgt;
     983             : 
     984           0 :         subsystem = spdk_nvmf_tgt_find_subsystem(tgt, ctx->nqn);
     985           0 :         if (!subsystem) {
     986           0 :                 SPDK_ERRLOG("Unable to find subsystem with NQN %s\n", ctx->nqn);
     987           0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, "Invalid parameters");
     988           0 :                 nvmf_rpc_listener_ctx_free(ctx);
     989           0 :                 return;
     990             :         }
     991             : 
     992           0 :         ctx->subsystem = subsystem;
     993             : 
     994           0 :         if (rpc_listen_address_to_trid(&ctx->address, &ctx->trid)) {
     995           0 :                 spdk_jsonrpc_send_error_response(ctx->request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
     996             :                                                  "Invalid parameters");
     997           0 :                 nvmf_rpc_listener_ctx_free(ctx);
     998           0 :                 return;
     999             :         }
    1000             : 
    1001           0 :         ctx->transport = spdk_nvmf_tgt_get_transport(tgt, ctx->trid.trstring);
    1002           0 :         if (!ctx->transport) {
    1003           0 :                 SPDK_ERRLOG("Unable to find %s transport. The transport must be created first also make sure it is properly registered.\n",
    1004             :                             ctx->trid.trstring);
    1005           0 :                 spdk_jsonrpc_send_error_response(ctx->request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
    1006             :                                                  "Invalid parameters");
    1007           0 :                 nvmf_rpc_listener_ctx_free(ctx);
    1008           0 :                 return;
    1009             :         }
    1010             : 
    1011           0 :         ctx->op = NVMF_RPC_LISTEN_REMOVE;
    1012             : 
    1013           0 :         rc = spdk_nvmf_subsystem_pause(subsystem, 0, nvmf_rpc_listen_paused, ctx);
    1014           0 :         if (rc != 0) {
    1015           0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR, "Internal error");
    1016           0 :                 nvmf_rpc_listener_ctx_free(ctx);
    1017           0 :         }
    1018           0 : }
    1019           0 : SPDK_RPC_REGISTER("nvmf_subsystem_remove_listener", rpc_nvmf_subsystem_remove_listener,
    1020             :                   SPDK_RPC_RUNTIME);
    1021             : 
    1022             : struct nvmf_rpc_referral_ctx {
    1023             :         char                            *tgt_name;
    1024             :         struct rpc_listen_address       address;
    1025             :         bool                            secure_channel;
    1026             :         char                            *subnqn;
    1027             : };
    1028             : 
    1029             : static const struct spdk_json_object_decoder nvmf_rpc_referral_decoder[] = {
    1030             :         {"address", offsetof(struct nvmf_rpc_referral_ctx, address), decode_rpc_listen_address},
    1031             :         {"tgt_name", offsetof(struct nvmf_rpc_referral_ctx, tgt_name), spdk_json_decode_string, true},
    1032             :         {"secure_channel", offsetof(struct nvmf_rpc_referral_ctx, secure_channel), spdk_json_decode_bool, true},
    1033             :         {"subnqn", offsetof(struct nvmf_rpc_referral_ctx, subnqn), spdk_json_decode_string, true},
    1034             : };
    1035             : 
    1036             : static void
    1037           0 : nvmf_rpc_referral_ctx_free(struct nvmf_rpc_referral_ctx *ctx)
    1038             : {
    1039           0 :         free(ctx->tgt_name);
    1040           0 :         free(ctx->subnqn);
    1041           0 :         free_rpc_listen_address(&ctx->address);
    1042           0 : }
    1043             : 
    1044             : static void
    1045           0 : rpc_nvmf_add_referral(struct spdk_jsonrpc_request *request,
    1046             :                       const struct spdk_json_val *params)
    1047             : {
    1048           0 :         struct nvmf_rpc_referral_ctx ctx = {};
    1049           0 :         struct spdk_nvme_transport_id trid = {};
    1050             :         struct spdk_nvmf_tgt *tgt;
    1051           0 :         struct spdk_nvmf_referral_opts opts = {};
    1052             :         int rc;
    1053             : 
    1054           0 :         if (spdk_json_decode_object_relaxed(params, nvmf_rpc_referral_decoder,
    1055             :                                             SPDK_COUNTOF(nvmf_rpc_referral_decoder),
    1056             :                                             &ctx)) {
    1057           0 :                 SPDK_ERRLOG("spdk_json_decode_object_relaxed failed\n");
    1058           0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, "Invalid parameters");
    1059           0 :                 nvmf_rpc_referral_ctx_free(&ctx);
    1060           0 :                 return;
    1061             :         }
    1062             : 
    1063           0 :         tgt = spdk_nvmf_get_tgt(ctx.tgt_name);
    1064           0 :         if (!tgt) {
    1065           0 :                 SPDK_ERRLOG("Unable to find a target object.\n");
    1066           0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
    1067             :                                                  "Unable to find a target.");
    1068           0 :                 nvmf_rpc_referral_ctx_free(&ctx);
    1069           0 :                 return;
    1070             :         }
    1071             : 
    1072           0 :         if (rpc_listen_address_to_trid(&ctx.address, &trid)) {
    1073           0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
    1074             :                                                  "Invalid parameters");
    1075           0 :                 nvmf_rpc_referral_ctx_free(&ctx);
    1076           0 :                 return;
    1077             :         }
    1078             : 
    1079           0 :         if (ctx.subnqn != NULL) {
    1080           0 :                 rc = snprintf(trid.subnqn, sizeof(trid.subnqn), "%s", ctx.subnqn);
    1081           0 :                 if (rc < 0 || (size_t)rc >= sizeof(trid.subnqn)) {
    1082           0 :                         spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
    1083             :                                                          "Invalid subsystem NQN");
    1084           0 :                         nvmf_rpc_referral_ctx_free(&ctx);
    1085           0 :                         return;
    1086             :                 }
    1087           0 :         }
    1088             : 
    1089           0 :         if ((trid.trtype == SPDK_NVME_TRANSPORT_TCP ||
    1090           0 :              trid.trtype == SPDK_NVME_TRANSPORT_RDMA) &&
    1091           0 :             !strlen(trid.trsvcid)) {
    1092           0 :                 SPDK_ERRLOG("Service ID is required.\n");
    1093           0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
    1094             :                                                  "Service ID is required.");
    1095           0 :                 nvmf_rpc_referral_ctx_free(&ctx);
    1096           0 :                 return;
    1097             :         }
    1098             : 
    1099           0 :         opts.size = SPDK_SIZEOF(&opts, secure_channel);
    1100           0 :         opts.trid = trid;
    1101           0 :         opts.secure_channel = ctx.secure_channel;
    1102             : 
    1103           0 :         rc = spdk_nvmf_tgt_add_referral(tgt, &opts);
    1104           0 :         if (rc != 0) {
    1105           0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
    1106             :                                                  "Internal error");
    1107           0 :                 nvmf_rpc_referral_ctx_free(&ctx);
    1108           0 :                 return;
    1109             :         }
    1110             : 
    1111           0 :         nvmf_rpc_referral_ctx_free(&ctx);
    1112             : 
    1113           0 :         spdk_jsonrpc_send_bool_response(request, true);
    1114           0 : }
    1115             : 
    1116           0 : SPDK_RPC_REGISTER("nvmf_discovery_add_referral", rpc_nvmf_add_referral,
    1117             :                   SPDK_RPC_RUNTIME);
    1118             : 
    1119             : static void
    1120           0 : rpc_nvmf_remove_referral(struct spdk_jsonrpc_request *request,
    1121             :                          const struct spdk_json_val *params)
    1122             : {
    1123           0 :         struct nvmf_rpc_referral_ctx ctx = {};
    1124           0 :         struct spdk_nvme_transport_id trid = {};
    1125           0 :         struct spdk_nvmf_referral_opts opts = {};
    1126             :         struct spdk_nvmf_tgt *tgt;
    1127             :         int rc;
    1128             : 
    1129           0 :         if (spdk_json_decode_object(params, nvmf_rpc_referral_decoder,
    1130             :                                     SPDK_COUNTOF(nvmf_rpc_referral_decoder),
    1131             :                                     &ctx)) {
    1132           0 :                 SPDK_ERRLOG("spdk_json_decode_object failed\n");
    1133           0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, "Invalid parameters");
    1134           0 :                 nvmf_rpc_referral_ctx_free(&ctx);
    1135           0 :                 return;
    1136             :         }
    1137             : 
    1138           0 :         tgt = spdk_nvmf_get_tgt(ctx.tgt_name);
    1139           0 :         if (!tgt) {
    1140           0 :                 SPDK_ERRLOG("Unable to find a target object.\n");
    1141           0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
    1142             :                                                  "Unable to find a target.");
    1143           0 :                 nvmf_rpc_referral_ctx_free(&ctx);
    1144           0 :                 return;
    1145             :         }
    1146             : 
    1147           0 :         if (rpc_listen_address_to_trid(&ctx.address, &trid)) {
    1148           0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
    1149             :                                                  "Invalid parameters");
    1150           0 :                 nvmf_rpc_referral_ctx_free(&ctx);
    1151           0 :                 return;
    1152             :         }
    1153             : 
    1154           0 :         if (ctx.subnqn != NULL) {
    1155           0 :                 rc = snprintf(trid.subnqn, sizeof(trid.subnqn), "%s", ctx.subnqn);
    1156           0 :                 if (rc < 0 || (size_t)rc >= sizeof(trid.subnqn)) {
    1157           0 :                         spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
    1158             :                                                          "Invalid subsystem NQN");
    1159           0 :                         nvmf_rpc_referral_ctx_free(&ctx);
    1160           0 :                         return;
    1161             :                 }
    1162           0 :         }
    1163             : 
    1164           0 :         opts.size = SPDK_SIZEOF(&opts, secure_channel);
    1165           0 :         opts.trid = trid;
    1166             : 
    1167           0 :         if (spdk_nvmf_tgt_remove_referral(tgt, &opts)) {
    1168           0 :                 SPDK_ERRLOG("Failed to remove referral.\n");
    1169           0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
    1170             :                                                  "Unable to remove a referral.");
    1171           0 :                 nvmf_rpc_referral_ctx_free(&ctx);
    1172           0 :                 return;
    1173             :         }
    1174             : 
    1175           0 :         nvmf_rpc_referral_ctx_free(&ctx);
    1176             : 
    1177           0 :         spdk_jsonrpc_send_bool_response(request, true);
    1178           0 : }
    1179             : 
    1180           0 : SPDK_RPC_REGISTER("nvmf_discovery_remove_referral", rpc_nvmf_remove_referral,
    1181             :                   SPDK_RPC_RUNTIME);
    1182             : 
    1183             : static void
    1184           0 : dump_nvmf_referral(struct spdk_json_write_ctx *w,
    1185             :                    struct spdk_nvmf_referral *referral)
    1186             : {
    1187           0 :         spdk_json_write_object_begin(w);
    1188             : 
    1189           0 :         spdk_json_write_named_object_begin(w, "address");
    1190           0 :         nvmf_transport_listen_dump_trid(&referral->trid, w);
    1191           0 :         spdk_json_write_object_end(w);
    1192           0 :         spdk_json_write_named_bool(w, "secure_channel",
    1193           0 :                                    referral->entry.treq.secure_channel == SPDK_NVMF_TREQ_SECURE_CHANNEL_REQUIRED);
    1194           0 :         spdk_json_write_named_string(w, "subnqn", referral->trid.subnqn);
    1195             : 
    1196           0 :         spdk_json_write_object_end(w);
    1197           0 : }
    1198             : 
    1199             : struct rpc_get_referrals_ctx {
    1200             :         char *tgt_name;
    1201             : };
    1202             : 
    1203             : static const struct spdk_json_object_decoder rpc_get_referrals_decoders[] = {
    1204             :         {"tgt_name", offsetof(struct rpc_get_referrals_ctx, tgt_name), spdk_json_decode_string, true},
    1205             : };
    1206             : 
    1207             : static void
    1208           0 : free_rpc_get_referrals_ctx(struct rpc_get_referrals_ctx *ctx)
    1209             : {
    1210           0 :         free(ctx->tgt_name);
    1211           0 :         free(ctx);
    1212           0 : }
    1213             : 
    1214             : static void
    1215           0 : rpc_nvmf_get_referrals(struct spdk_jsonrpc_request *request,
    1216             :                        const struct spdk_json_val *params)
    1217             : {
    1218             :         struct rpc_get_referrals_ctx *ctx;
    1219             :         struct spdk_nvmf_tgt *tgt;
    1220             :         struct spdk_json_write_ctx *w;
    1221             :         struct spdk_nvmf_referral *referral;
    1222             : 
    1223           0 :         ctx = calloc(1, sizeof(*ctx));
    1224           0 :         if (!ctx) {
    1225           0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
    1226             :                                                  "Out of memory");
    1227           0 :                 return;
    1228             :         }
    1229             : 
    1230           0 :         if (params) {
    1231           0 :                 if (spdk_json_decode_object(params, rpc_get_referrals_decoders,
    1232             :                                             SPDK_COUNTOF(rpc_get_referrals_decoders),
    1233           0 :                                             ctx)) {
    1234           0 :                         SPDK_ERRLOG("spdk_json_decode_object failed\n");
    1235           0 :                         spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
    1236             :                                                          "Invalid parameters");
    1237           0 :                         free_rpc_get_referrals_ctx(ctx);
    1238           0 :                         return;
    1239             :                 }
    1240           0 :         }
    1241             : 
    1242           0 :         tgt = spdk_nvmf_get_tgt(ctx->tgt_name);
    1243           0 :         if (!tgt) {
    1244           0 :                 SPDK_ERRLOG("Unable to find a target object.\n");
    1245           0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
    1246             :                                                  "Unable to find a target");
    1247           0 :                 free_rpc_get_referrals_ctx(ctx);
    1248           0 :                 return;
    1249             :         }
    1250             : 
    1251           0 :         w = spdk_jsonrpc_begin_result(request);
    1252             : 
    1253           0 :         spdk_json_write_array_begin(w);
    1254             : 
    1255           0 :         TAILQ_FOREACH(referral, &tgt->referrals, link) {
    1256           0 :                 dump_nvmf_referral(w, referral);
    1257           0 :         }
    1258             : 
    1259           0 :         spdk_json_write_array_end(w);
    1260             : 
    1261           0 :         spdk_jsonrpc_end_result(request, w);
    1262             : 
    1263           0 :         free_rpc_get_referrals_ctx(ctx);
    1264           0 : }
    1265           0 : SPDK_RPC_REGISTER("nvmf_discovery_get_referrals", rpc_nvmf_get_referrals,
    1266             :                   SPDK_RPC_RUNTIME);
    1267             : 
    1268             : static const struct spdk_json_object_decoder nvmf_rpc_set_ana_state_decoder[] = {
    1269             :         {"nqn", offsetof(struct nvmf_rpc_listener_ctx, nqn), spdk_json_decode_string},
    1270             :         {"listen_address", offsetof(struct nvmf_rpc_listener_ctx, address), decode_rpc_listen_address},
    1271             :         {"ana_state", offsetof(struct nvmf_rpc_listener_ctx, ana_state_str), spdk_json_decode_string},
    1272             :         {"tgt_name", offsetof(struct nvmf_rpc_listener_ctx, tgt_name), spdk_json_decode_string, true},
    1273             :         {"anagrpid", offsetof(struct nvmf_rpc_listener_ctx, anagrpid), spdk_json_decode_uint32, true},
    1274             : };
    1275             : 
    1276             : static int
    1277           0 : rpc_ana_state_parse(const char *str, enum spdk_nvme_ana_state *ana_state)
    1278             : {
    1279           0 :         if (ana_state == NULL || str == NULL) {
    1280           0 :                 return -EINVAL;
    1281             :         }
    1282             : 
    1283           0 :         if (strcasecmp(str, "optimized") == 0) {
    1284           0 :                 *ana_state = SPDK_NVME_ANA_OPTIMIZED_STATE;
    1285           0 :         } else if (strcasecmp(str, "non_optimized") == 0) {
    1286           0 :                 *ana_state = SPDK_NVME_ANA_NON_OPTIMIZED_STATE;
    1287           0 :         } else if (strcasecmp(str, "inaccessible") == 0) {
    1288           0 :                 *ana_state = SPDK_NVME_ANA_INACCESSIBLE_STATE;
    1289           0 :         } else {
    1290           0 :                 return -ENOENT;
    1291             :         }
    1292             : 
    1293           0 :         return 0;
    1294           0 : }
    1295             : 
    1296             : static void
    1297           0 : rpc_nvmf_subsystem_listener_set_ana_state(struct spdk_jsonrpc_request *request,
    1298             :                 const struct spdk_json_val *params)
    1299             : {
    1300             :         struct nvmf_rpc_listener_ctx *ctx;
    1301             :         struct spdk_nvmf_subsystem *subsystem;
    1302             :         struct spdk_nvmf_tgt *tgt;
    1303             : 
    1304           0 :         ctx = calloc(1, sizeof(*ctx));
    1305           0 :         if (!ctx) {
    1306           0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
    1307             :                                                  "Out of memory");
    1308           0 :                 return;
    1309             :         }
    1310             : 
    1311           0 :         ctx->request = request;
    1312             : 
    1313           0 :         if (spdk_json_decode_object(params, nvmf_rpc_set_ana_state_decoder,
    1314             :                                     SPDK_COUNTOF(nvmf_rpc_set_ana_state_decoder),
    1315           0 :                                     ctx)) {
    1316           0 :                 SPDK_ERRLOG("spdk_json_decode_object failed\n");
    1317           0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
    1318             :                                                  "Invalid parameters");
    1319           0 :                 nvmf_rpc_listener_ctx_free(ctx);
    1320           0 :                 return;
    1321             :         }
    1322             : 
    1323           0 :         tgt = spdk_nvmf_get_tgt(ctx->tgt_name);
    1324           0 :         if (!tgt) {
    1325           0 :                 SPDK_ERRLOG("Unable to find a target object.\n");
    1326           0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
    1327             :                                                  "Unable to find a target.");
    1328           0 :                 nvmf_rpc_listener_ctx_free(ctx);
    1329           0 :                 return;
    1330             :         }
    1331             : 
    1332           0 :         ctx->tgt = tgt;
    1333             : 
    1334           0 :         subsystem = spdk_nvmf_tgt_find_subsystem(tgt, ctx->nqn);
    1335           0 :         if (!subsystem) {
    1336           0 :                 SPDK_ERRLOG("Unable to find subsystem with NQN %s\n", ctx->nqn);
    1337           0 :                 spdk_jsonrpc_send_error_response_fmt(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
    1338             :                                                      "Unable to find subsystem with NQN %s",
    1339           0 :                                                      ctx->nqn);
    1340           0 :                 nvmf_rpc_listener_ctx_free(ctx);
    1341           0 :                 return;
    1342             :         }
    1343             : 
    1344           0 :         ctx->subsystem = subsystem;
    1345             : 
    1346           0 :         if (rpc_listen_address_to_trid(&ctx->address, &ctx->trid)) {
    1347           0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
    1348             :                                                  "Invalid parameters");
    1349           0 :                 nvmf_rpc_listener_ctx_free(ctx);
    1350           0 :                 return;
    1351             :         }
    1352             : 
    1353           0 :         if (rpc_ana_state_parse(ctx->ana_state_str, &ctx->ana_state)) {
    1354           0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
    1355             :                                                  "Invalid parameters");
    1356           0 :                 nvmf_rpc_listener_ctx_free(ctx);
    1357           0 :                 return;
    1358             :         }
    1359             : 
    1360           0 :         ctx->op = NVMF_RPC_LISTEN_SET_ANA_STATE;
    1361             : 
    1362           0 :         if (spdk_nvmf_subsystem_pause(subsystem, 0, nvmf_rpc_listen_paused, ctx)) {
    1363           0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
    1364             :                                                  "Internal error");
    1365           0 :                 nvmf_rpc_listener_ctx_free(ctx);
    1366           0 :         }
    1367           0 : }
    1368           0 : SPDK_RPC_REGISTER("nvmf_subsystem_listener_set_ana_state",
    1369             :                   rpc_nvmf_subsystem_listener_set_ana_state, SPDK_RPC_RUNTIME);
    1370             : 
    1371             : struct nvmf_rpc_ns_params {
    1372             :         char *bdev_name;
    1373             :         char *ptpl_file;
    1374             :         uint32_t nsid;
    1375             :         char nguid[16];
    1376             :         char eui64[8];
    1377             :         struct spdk_uuid uuid;
    1378             :         uint32_t anagrpid;
    1379             :         bool no_auto_visible;
    1380             : };
    1381             : 
    1382             : static const struct spdk_json_object_decoder rpc_ns_params_decoders[] = {
    1383             :         {"nsid", offsetof(struct nvmf_rpc_ns_params, nsid), spdk_json_decode_uint32, true},
    1384             :         {"bdev_name", offsetof(struct nvmf_rpc_ns_params, bdev_name), spdk_json_decode_string},
    1385             :         {"ptpl_file", offsetof(struct nvmf_rpc_ns_params, ptpl_file), spdk_json_decode_string, true},
    1386             :         {"nguid", offsetof(struct nvmf_rpc_ns_params, nguid), decode_ns_nguid, true},
    1387             :         {"eui64", offsetof(struct nvmf_rpc_ns_params, eui64), decode_ns_eui64, true},
    1388             :         {"uuid", offsetof(struct nvmf_rpc_ns_params, uuid), spdk_json_decode_uuid, true},
    1389             :         {"anagrpid", offsetof(struct nvmf_rpc_ns_params, anagrpid), spdk_json_decode_uint32, true},
    1390             :         {"no_auto_visible", offsetof(struct nvmf_rpc_ns_params, no_auto_visible), spdk_json_decode_bool, true},
    1391             : };
    1392             : 
    1393             : static int
    1394           0 : decode_rpc_ns_params(const struct spdk_json_val *val, void *out)
    1395             : {
    1396           0 :         struct nvmf_rpc_ns_params *ns_params = out;
    1397             : 
    1398           0 :         return spdk_json_decode_object(val, rpc_ns_params_decoders,
    1399             :                                        SPDK_COUNTOF(rpc_ns_params_decoders),
    1400           0 :                                        ns_params);
    1401             : }
    1402             : 
    1403             : struct nvmf_rpc_ns_ctx {
    1404             :         char *nqn;
    1405             :         char *tgt_name;
    1406             :         struct nvmf_rpc_ns_params ns_params;
    1407             : 
    1408             :         struct spdk_jsonrpc_request *request;
    1409             :         const struct spdk_json_val *params;
    1410             :         bool response_sent;
    1411             : };
    1412             : 
    1413             : static const struct spdk_json_object_decoder nvmf_rpc_subsystem_ns_decoder[] = {
    1414             :         {"nqn", offsetof(struct nvmf_rpc_ns_ctx, nqn), spdk_json_decode_string},
    1415             :         {"namespace", offsetof(struct nvmf_rpc_ns_ctx, ns_params), decode_rpc_ns_params},
    1416             :         {"tgt_name", offsetof(struct nvmf_rpc_ns_ctx, tgt_name), spdk_json_decode_string, true},
    1417             : };
    1418             : 
    1419             : static void
    1420           0 : nvmf_rpc_ns_ctx_free(struct nvmf_rpc_ns_ctx *ctx)
    1421             : {
    1422           0 :         free(ctx->nqn);
    1423           0 :         free(ctx->tgt_name);
    1424           0 :         free(ctx->ns_params.bdev_name);
    1425           0 :         free(ctx->ns_params.ptpl_file);
    1426           0 :         free(ctx);
    1427           0 : }
    1428             : 
    1429             : static void
    1430           0 : nvmf_rpc_ns_failback_resumed(struct spdk_nvmf_subsystem *subsystem,
    1431             :                              void *cb_arg, int status)
    1432             : {
    1433           0 :         struct nvmf_rpc_ns_ctx *ctx = cb_arg;
    1434           0 :         struct spdk_jsonrpc_request *request = ctx->request;
    1435             : 
    1436           0 :         if (status) {
    1437           0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
    1438             :                                                  "Unable to add ns, subsystem in invalid state");
    1439           0 :         } else {
    1440           0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
    1441             :                                                  "Unable to add ns, subsystem in active state");
    1442             :         }
    1443             : 
    1444           0 :         nvmf_rpc_ns_ctx_free(ctx);
    1445           0 : }
    1446             : 
    1447             : static void
    1448           0 : nvmf_rpc_ns_resumed(struct spdk_nvmf_subsystem *subsystem,
    1449             :                     void *cb_arg, int status)
    1450             : {
    1451           0 :         struct nvmf_rpc_ns_ctx *ctx = cb_arg;
    1452           0 :         struct spdk_jsonrpc_request *request = ctx->request;
    1453           0 :         uint32_t nsid = ctx->ns_params.nsid;
    1454           0 :         bool response_sent = ctx->response_sent;
    1455             :         struct spdk_json_write_ctx *w;
    1456             :         int rc;
    1457             : 
    1458             :         /* The case where the call to add the namespace was successful, but the subsystem couldn't be resumed. */
    1459           0 :         if (status && !ctx->response_sent) {
    1460           0 :                 rc = spdk_nvmf_subsystem_remove_ns(subsystem, nsid);
    1461           0 :                 if (rc != 0) {
    1462           0 :                         spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
    1463             :                                                          "Unable to add ns, subsystem in invalid state");
    1464           0 :                         nvmf_rpc_ns_ctx_free(ctx);
    1465           0 :                         return;
    1466             :                 }
    1467             : 
    1468           0 :                 rc = spdk_nvmf_subsystem_resume(subsystem, nvmf_rpc_ns_failback_resumed, ctx);
    1469           0 :                 if (rc != 0) {
    1470           0 :                         spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR, "Internal error");
    1471           0 :                         nvmf_rpc_ns_ctx_free(ctx);
    1472           0 :                         return;
    1473             :                 }
    1474             : 
    1475           0 :                 return;
    1476             :         }
    1477             : 
    1478           0 :         nvmf_rpc_ns_ctx_free(ctx);
    1479             : 
    1480           0 :         if (response_sent) {
    1481           0 :                 return;
    1482             :         }
    1483             : 
    1484           0 :         w = spdk_jsonrpc_begin_result(request);
    1485           0 :         spdk_json_write_uint32(w, nsid);
    1486           0 :         spdk_jsonrpc_end_result(request, w);
    1487           0 : }
    1488             : 
    1489             : static void
    1490           0 : nvmf_rpc_ns_paused(struct spdk_nvmf_subsystem *subsystem,
    1491             :                    void *cb_arg, int status)
    1492             : {
    1493           0 :         struct nvmf_rpc_ns_ctx *ctx = cb_arg;
    1494             :         struct spdk_nvmf_ns_opts ns_opts;
    1495             : 
    1496           0 :         spdk_nvmf_ns_opts_get_defaults(&ns_opts, sizeof(ns_opts));
    1497           0 :         ns_opts.nsid = ctx->ns_params.nsid;
    1498           0 :         ns_opts.transport_specific = ctx->params;
    1499             : 
    1500             :         SPDK_STATIC_ASSERT(sizeof(ns_opts.nguid) == sizeof(ctx->ns_params.nguid), "size mismatch");
    1501           0 :         memcpy(ns_opts.nguid, ctx->ns_params.nguid, sizeof(ns_opts.nguid));
    1502             : 
    1503             :         SPDK_STATIC_ASSERT(sizeof(ns_opts.eui64) == sizeof(ctx->ns_params.eui64), "size mismatch");
    1504           0 :         memcpy(ns_opts.eui64, ctx->ns_params.eui64, sizeof(ns_opts.eui64));
    1505             : 
    1506           0 :         if (!spdk_uuid_is_null(&ctx->ns_params.uuid)) {
    1507           0 :                 ns_opts.uuid = ctx->ns_params.uuid;
    1508           0 :         }
    1509             : 
    1510           0 :         ns_opts.anagrpid = ctx->ns_params.anagrpid;
    1511           0 :         ns_opts.no_auto_visible = ctx->ns_params.no_auto_visible;
    1512             : 
    1513           0 :         ctx->ns_params.nsid = spdk_nvmf_subsystem_add_ns_ext(subsystem, ctx->ns_params.bdev_name,
    1514             :                               &ns_opts, sizeof(ns_opts),
    1515           0 :                               ctx->ns_params.ptpl_file);
    1516           0 :         if (ctx->ns_params.nsid == 0) {
    1517           0 :                 SPDK_ERRLOG("Unable to add namespace\n");
    1518           0 :                 spdk_jsonrpc_send_error_response(ctx->request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
    1519             :                                                  "Invalid parameters");
    1520           0 :                 ctx->response_sent = true;
    1521           0 :                 goto resume;
    1522             :         }
    1523             : 
    1524             : resume:
    1525           0 :         if (spdk_nvmf_subsystem_resume(subsystem, nvmf_rpc_ns_resumed, ctx)) {
    1526           0 :                 spdk_jsonrpc_send_error_response(ctx->request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR, "Internal error");
    1527           0 :                 nvmf_rpc_ns_ctx_free(ctx);
    1528           0 :         }
    1529           0 : }
    1530             : 
    1531             : static void
    1532           0 : rpc_nvmf_subsystem_add_ns(struct spdk_jsonrpc_request *request,
    1533             :                           const struct spdk_json_val *params)
    1534             : {
    1535             :         struct nvmf_rpc_ns_ctx *ctx;
    1536             :         struct spdk_nvmf_subsystem *subsystem;
    1537             :         struct spdk_nvmf_tgt *tgt;
    1538             :         int rc;
    1539             : 
    1540           0 :         ctx = calloc(1, sizeof(*ctx));
    1541           0 :         if (!ctx) {
    1542           0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR, "Out of memory");
    1543           0 :                 return;
    1544             :         }
    1545             : 
    1546           0 :         if (spdk_json_decode_object_relaxed(params, nvmf_rpc_subsystem_ns_decoder,
    1547           0 :                                             SPDK_COUNTOF(nvmf_rpc_subsystem_ns_decoder), ctx)) {
    1548           0 :                 SPDK_ERRLOG("spdk_json_decode_object failed\n");
    1549           0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, "Invalid parameters");
    1550           0 :                 nvmf_rpc_ns_ctx_free(ctx);
    1551           0 :                 return;
    1552             :         }
    1553             : 
    1554           0 :         ctx->request = request;
    1555           0 :         ctx->params = params;
    1556           0 :         ctx->response_sent = false;
    1557             : 
    1558           0 :         tgt = spdk_nvmf_get_tgt(ctx->tgt_name);
    1559           0 :         if (!tgt) {
    1560           0 :                 SPDK_ERRLOG("Unable to find a target object.\n");
    1561           0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
    1562             :                                                  "Unable to find a target.");
    1563           0 :                 nvmf_rpc_ns_ctx_free(ctx);
    1564           0 :                 return;
    1565             :         }
    1566             : 
    1567           0 :         subsystem = spdk_nvmf_tgt_find_subsystem(tgt, ctx->nqn);
    1568           0 :         if (!subsystem) {
    1569           0 :                 SPDK_ERRLOG("Unable to find subsystem with NQN %s\n", ctx->nqn);
    1570           0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, "Invalid parameters");
    1571           0 :                 nvmf_rpc_ns_ctx_free(ctx);
    1572           0 :                 return;
    1573             :         }
    1574             : 
    1575           0 :         rc = spdk_nvmf_subsystem_pause(subsystem, ctx->ns_params.nsid, nvmf_rpc_ns_paused, ctx);
    1576           0 :         if (rc != 0) {
    1577           0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR, "Internal error");
    1578           0 :                 nvmf_rpc_ns_ctx_free(ctx);
    1579           0 :         }
    1580           0 : }
    1581           0 : SPDK_RPC_REGISTER("nvmf_subsystem_add_ns", rpc_nvmf_subsystem_add_ns, SPDK_RPC_RUNTIME)
    1582             : 
    1583             : struct nvmf_rpc_ana_group_ctx {
    1584             :         char *nqn;
    1585             :         char *tgt_name;
    1586             :         uint32_t nsid;
    1587             :         uint32_t anagrpid;
    1588             : 
    1589             :         struct spdk_jsonrpc_request *request;
    1590             :         bool response_sent;
    1591             : };
    1592             : 
    1593             : static const struct spdk_json_object_decoder nvmf_rpc_subsystem_ana_group_decoder[] = {
    1594             :         {"nqn", offsetof(struct nvmf_rpc_ana_group_ctx, nqn), spdk_json_decode_string},
    1595             :         {"nsid", offsetof(struct nvmf_rpc_ana_group_ctx, nsid), spdk_json_decode_uint32},
    1596             :         {"anagrpid", offsetof(struct nvmf_rpc_ana_group_ctx, anagrpid), spdk_json_decode_uint32},
    1597             :         {"tgt_name", offsetof(struct nvmf_rpc_ana_group_ctx, tgt_name), spdk_json_decode_string, true},
    1598             : };
    1599             : 
    1600             : static void
    1601           0 : nvmf_rpc_ana_group_ctx_free(struct nvmf_rpc_ana_group_ctx *ctx)
    1602             : {
    1603           0 :         free(ctx->nqn);
    1604           0 :         free(ctx->tgt_name);
    1605           0 :         free(ctx);
    1606           0 : }
    1607             : 
    1608             : static void
    1609           0 : nvmf_rpc_anagrpid_resumed(struct spdk_nvmf_subsystem *subsystem,
    1610             :                           void *cb_arg, int status)
    1611             : {
    1612           0 :         struct nvmf_rpc_ana_group_ctx *ctx = cb_arg;
    1613           0 :         struct spdk_jsonrpc_request *request = ctx->request;
    1614           0 :         bool response_sent = ctx->response_sent;
    1615             : 
    1616           0 :         nvmf_rpc_ana_group_ctx_free(ctx);
    1617             : 
    1618           0 :         if (response_sent) {
    1619           0 :                 return;
    1620             :         }
    1621             : 
    1622           0 :         spdk_jsonrpc_send_bool_response(request, true);
    1623           0 : }
    1624             : 
    1625             : static void
    1626           0 : nvmf_rpc_ana_group(struct spdk_nvmf_subsystem *subsystem,
    1627             :                    void *cb_arg, int status)
    1628             : {
    1629           0 :         struct nvmf_rpc_ana_group_ctx *ctx = cb_arg;
    1630             :         int rc;
    1631             : 
    1632           0 :         rc = spdk_nvmf_subsystem_set_ns_ana_group(subsystem, ctx->nsid, ctx->anagrpid);
    1633           0 :         if (rc != 0) {
    1634           0 :                 SPDK_ERRLOG("Unable to change ANA group ID\n");
    1635           0 :                 spdk_jsonrpc_send_error_response(ctx->request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
    1636             :                                                  "Invalid parameters");
    1637           0 :                 ctx->response_sent = true;
    1638           0 :         }
    1639             : 
    1640           0 :         if (spdk_nvmf_subsystem_resume(subsystem, nvmf_rpc_anagrpid_resumed, ctx)) {
    1641           0 :                 if (!ctx->response_sent) {
    1642           0 :                         spdk_jsonrpc_send_error_response(ctx->request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
    1643             :                                                          "Internal error");
    1644           0 :                 }
    1645           0 :                 nvmf_rpc_ana_group_ctx_free(ctx);
    1646           0 :         }
    1647           0 : }
    1648             : 
    1649             : static void
    1650           0 : rpc_nvmf_subsystem_set_ns_ana_group(struct spdk_jsonrpc_request *request,
    1651             :                                     const struct spdk_json_val *params)
    1652             : {
    1653             :         struct nvmf_rpc_ana_group_ctx *ctx;
    1654             :         struct spdk_nvmf_subsystem *subsystem;
    1655             :         struct spdk_nvmf_tgt *tgt;
    1656             :         int rc;
    1657             : 
    1658           0 :         ctx = calloc(1, sizeof(*ctx));
    1659           0 :         if (!ctx) {
    1660           0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR, "Out of memory");
    1661           0 :                 return;
    1662             :         }
    1663             : 
    1664           0 :         if (spdk_json_decode_object(params, nvmf_rpc_subsystem_ana_group_decoder,
    1665           0 :                                     SPDK_COUNTOF(nvmf_rpc_subsystem_ana_group_decoder), ctx)) {
    1666           0 :                 SPDK_ERRLOG("spdk_json_decode_object failed\n");
    1667           0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, "Invalid parameters");
    1668           0 :                 nvmf_rpc_ana_group_ctx_free(ctx);
    1669           0 :                 return;
    1670             :         }
    1671             : 
    1672           0 :         ctx->request = request;
    1673           0 :         ctx->response_sent = false;
    1674             : 
    1675           0 :         tgt = spdk_nvmf_get_tgt(ctx->tgt_name);
    1676           0 :         if (!tgt) {
    1677           0 :                 SPDK_ERRLOG("Unable to find a target object.\n");
    1678           0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
    1679             :                                                  "Unable to find a target.");
    1680           0 :                 nvmf_rpc_ana_group_ctx_free(ctx);
    1681           0 :                 return;
    1682             :         }
    1683             : 
    1684           0 :         subsystem = spdk_nvmf_tgt_find_subsystem(tgt, ctx->nqn);
    1685           0 :         if (!subsystem) {
    1686           0 :                 SPDK_ERRLOG("Unable to find subsystem with NQN %s\n", ctx->nqn);
    1687           0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, "Invalid parameters");
    1688           0 :                 nvmf_rpc_ana_group_ctx_free(ctx);
    1689           0 :                 return;
    1690             :         }
    1691             : 
    1692           0 :         rc = spdk_nvmf_subsystem_pause(subsystem, ctx->nsid, nvmf_rpc_ana_group, ctx);
    1693           0 :         if (rc != 0) {
    1694           0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR, "Internal error");
    1695           0 :                 nvmf_rpc_ana_group_ctx_free(ctx);
    1696           0 :         }
    1697           0 : }
    1698           0 : SPDK_RPC_REGISTER("nvmf_subsystem_set_ns_ana_group", rpc_nvmf_subsystem_set_ns_ana_group,
    1699             :                   SPDK_RPC_RUNTIME)
    1700             : 
    1701             : struct nvmf_rpc_remove_ns_ctx {
    1702             :         char *nqn;
    1703             :         char *tgt_name;
    1704             :         uint32_t nsid;
    1705             : 
    1706             :         struct spdk_jsonrpc_request *request;
    1707             :         bool response_sent;
    1708             : };
    1709             : 
    1710             : static const struct spdk_json_object_decoder nvmf_rpc_subsystem_remove_ns_decoder[] = {
    1711             :         {"nqn", offsetof(struct nvmf_rpc_remove_ns_ctx, nqn), spdk_json_decode_string},
    1712             :         {"nsid", offsetof(struct nvmf_rpc_remove_ns_ctx, nsid), spdk_json_decode_uint32},
    1713             :         {"tgt_name", offsetof(struct nvmf_rpc_remove_ns_ctx, tgt_name), spdk_json_decode_string, true},
    1714             : };
    1715             : 
    1716             : static void
    1717           0 : nvmf_rpc_remove_ns_ctx_free(struct nvmf_rpc_remove_ns_ctx *ctx)
    1718             : {
    1719           0 :         free(ctx->nqn);
    1720           0 :         free(ctx->tgt_name);
    1721           0 :         free(ctx);
    1722           0 : }
    1723             : 
    1724             : static void
    1725           0 : nvmf_rpc_remove_ns_resumed(struct spdk_nvmf_subsystem *subsystem,
    1726             :                            void *cb_arg, int status)
    1727             : {
    1728           0 :         struct nvmf_rpc_remove_ns_ctx *ctx = cb_arg;
    1729           0 :         struct spdk_jsonrpc_request *request = ctx->request;
    1730           0 :         bool response_sent = ctx->response_sent;
    1731             : 
    1732           0 :         nvmf_rpc_remove_ns_ctx_free(ctx);
    1733             : 
    1734           0 :         if (response_sent) {
    1735           0 :                 return;
    1736             :         }
    1737             : 
    1738           0 :         spdk_jsonrpc_send_bool_response(request, true);
    1739           0 : }
    1740             : 
    1741             : static void
    1742           0 : nvmf_rpc_remove_ns_paused(struct spdk_nvmf_subsystem *subsystem,
    1743             :                           void *cb_arg, int status)
    1744             : {
    1745           0 :         struct nvmf_rpc_remove_ns_ctx *ctx = cb_arg;
    1746             :         int ret;
    1747             : 
    1748           0 :         ret = spdk_nvmf_subsystem_remove_ns(subsystem, ctx->nsid);
    1749           0 :         if (ret < 0) {
    1750           0 :                 SPDK_ERRLOG("Unable to remove namespace ID %u\n", ctx->nsid);
    1751           0 :                 spdk_jsonrpc_send_error_response(ctx->request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
    1752             :                                                  "Invalid parameters");
    1753           0 :                 ctx->response_sent = true;
    1754           0 :         }
    1755             : 
    1756           0 :         if (spdk_nvmf_subsystem_resume(subsystem, nvmf_rpc_remove_ns_resumed, ctx)) {
    1757           0 :                 if (!ctx->response_sent) {
    1758           0 :                         spdk_jsonrpc_send_error_response(ctx->request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR, "Internal error");
    1759           0 :                 }
    1760           0 :                 nvmf_rpc_remove_ns_ctx_free(ctx);
    1761           0 :         }
    1762           0 : }
    1763             : 
    1764             : static void
    1765           0 : rpc_nvmf_subsystem_remove_ns(struct spdk_jsonrpc_request *request,
    1766             :                              const struct spdk_json_val *params)
    1767             : {
    1768             :         struct nvmf_rpc_remove_ns_ctx *ctx;
    1769             :         struct spdk_nvmf_subsystem *subsystem;
    1770             :         struct spdk_nvmf_tgt *tgt;
    1771             :         int rc;
    1772             : 
    1773           0 :         ctx = calloc(1, sizeof(*ctx));
    1774           0 :         if (!ctx) {
    1775           0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR, "Out of memory");
    1776           0 :                 return;
    1777             :         }
    1778             : 
    1779           0 :         if (spdk_json_decode_object(params, nvmf_rpc_subsystem_remove_ns_decoder,
    1780             :                                     SPDK_COUNTOF(nvmf_rpc_subsystem_remove_ns_decoder),
    1781           0 :                                     ctx)) {
    1782           0 :                 SPDK_ERRLOG("spdk_json_decode_object failed\n");
    1783           0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, "Invalid parameters");
    1784           0 :                 nvmf_rpc_remove_ns_ctx_free(ctx);
    1785           0 :                 return;
    1786             :         }
    1787             : 
    1788           0 :         tgt = spdk_nvmf_get_tgt(ctx->tgt_name);
    1789           0 :         if (!tgt) {
    1790           0 :                 SPDK_ERRLOG("Unable to find a target object.\n");
    1791           0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
    1792             :                                                  "Unable to find a target.");
    1793           0 :                 nvmf_rpc_remove_ns_ctx_free(ctx);
    1794           0 :                 return;
    1795             :         }
    1796             : 
    1797           0 :         ctx->request = request;
    1798           0 :         ctx->response_sent = false;
    1799             : 
    1800           0 :         subsystem = spdk_nvmf_tgt_find_subsystem(tgt, ctx->nqn);
    1801           0 :         if (!subsystem) {
    1802           0 :                 SPDK_ERRLOG("Unable to find subsystem with NQN %s\n", ctx->nqn);
    1803           0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, "Invalid parameters");
    1804           0 :                 nvmf_rpc_remove_ns_ctx_free(ctx);
    1805           0 :                 return;
    1806             :         }
    1807             : 
    1808           0 :         rc = spdk_nvmf_subsystem_pause(subsystem, ctx->nsid, nvmf_rpc_remove_ns_paused, ctx);
    1809           0 :         if (rc != 0) {
    1810           0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR, "Internal error");
    1811           0 :                 nvmf_rpc_remove_ns_ctx_free(ctx);
    1812           0 :         }
    1813           0 : }
    1814           0 : SPDK_RPC_REGISTER("nvmf_subsystem_remove_ns", rpc_nvmf_subsystem_remove_ns, SPDK_RPC_RUNTIME)
    1815             : 
    1816             : struct nvmf_rpc_ns_visible_ctx {
    1817             :         struct spdk_jsonrpc_request *request;
    1818             :         char *nqn;
    1819             :         uint32_t nsid;
    1820             :         char *host;
    1821             :         char *tgt_name;
    1822             :         bool visible;
    1823             :         bool response_sent;
    1824             : };
    1825             : 
    1826             : static const struct spdk_json_object_decoder nvmf_rpc_ns_visible_decoder[] = {
    1827             :         {"nqn", offsetof(struct nvmf_rpc_ns_visible_ctx, nqn), spdk_json_decode_string},
    1828             :         {"nsid", offsetof(struct nvmf_rpc_ns_visible_ctx, nsid), spdk_json_decode_uint32},
    1829             :         {"host", offsetof(struct nvmf_rpc_ns_visible_ctx, host), spdk_json_decode_string},
    1830             :         {"tgt_name", offsetof(struct nvmf_rpc_ns_visible_ctx, tgt_name), spdk_json_decode_string, true},
    1831             : };
    1832             : 
    1833             : static void
    1834           0 : nvmf_rpc_ns_visible_ctx_free(struct nvmf_rpc_ns_visible_ctx *ctx)
    1835             : {
    1836           0 :         free(ctx->nqn);
    1837           0 :         free(ctx->host);
    1838           0 :         free(ctx->tgt_name);
    1839           0 :         free(ctx);
    1840           0 : }
    1841             : 
    1842             : static void
    1843           0 : nvmf_rpc_ns_visible_resumed(struct spdk_nvmf_subsystem *subsystem,
    1844             :                             void *cb_arg, int status)
    1845             : {
    1846           0 :         struct nvmf_rpc_ns_visible_ctx *ctx = cb_arg;
    1847           0 :         struct spdk_jsonrpc_request *request = ctx->request;
    1848           0 :         bool response_sent = ctx->response_sent;
    1849             : 
    1850           0 :         nvmf_rpc_ns_visible_ctx_free(ctx);
    1851             : 
    1852           0 :         if (!response_sent) {
    1853           0 :                 spdk_jsonrpc_send_bool_response(request, true);
    1854           0 :         }
    1855           0 : }
    1856             : 
    1857             : static void
    1858           0 : nvmf_rpc_ns_visible_paused(struct spdk_nvmf_subsystem *subsystem,
    1859             :                            void *cb_arg, int status)
    1860             : {
    1861           0 :         struct nvmf_rpc_ns_visible_ctx *ctx = cb_arg;
    1862             :         int ret;
    1863             : 
    1864           0 :         if (ctx->visible) {
    1865           0 :                 ret = spdk_nvmf_ns_add_host(subsystem, ctx->nsid, ctx->host, 0);
    1866           0 :         } else {
    1867           0 :                 ret = spdk_nvmf_ns_remove_host(subsystem, ctx->nsid, ctx->host, 0);
    1868             :         }
    1869           0 :         if (ret < 0) {
    1870           0 :                 SPDK_ERRLOG("Unable to add/remove %s to namespace ID %u\n", ctx->host, ctx->nsid);
    1871           0 :                 spdk_jsonrpc_send_error_response(ctx->request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
    1872             :                                                  "Invalid parameters");
    1873           0 :                 ctx->response_sent = true;
    1874           0 :         }
    1875             : 
    1876           0 :         if (spdk_nvmf_subsystem_resume(subsystem, nvmf_rpc_ns_visible_resumed, ctx)) {
    1877           0 :                 if (!ctx->response_sent) {
    1878           0 :                         spdk_jsonrpc_send_error_response(ctx->request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR, "Internal error");
    1879           0 :                 }
    1880           0 :                 nvmf_rpc_ns_visible_ctx_free(ctx);
    1881           0 :         }
    1882           0 : }
    1883             : 
    1884             : static void
    1885           0 : nvmf_rpc_ns_visible(struct spdk_jsonrpc_request *request,
    1886             :                     const struct spdk_json_val *params,
    1887             :                     bool visible)
    1888             : {
    1889             :         struct nvmf_rpc_ns_visible_ctx *ctx;
    1890             :         struct spdk_nvmf_subsystem *subsystem;
    1891             :         struct spdk_nvmf_tgt *tgt;
    1892             :         int rc;
    1893             : 
    1894           0 :         ctx = calloc(1, sizeof(*ctx));
    1895           0 :         if (!ctx) {
    1896           0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR, "Out of memory");
    1897           0 :                 return;
    1898             :         }
    1899           0 :         ctx->visible = visible;
    1900             : 
    1901           0 :         if (spdk_json_decode_object(params, nvmf_rpc_ns_visible_decoder,
    1902             :                                     SPDK_COUNTOF(nvmf_rpc_ns_visible_decoder),
    1903           0 :                                     ctx)) {
    1904           0 :                 SPDK_ERRLOG("spdk_json_decode_object failed\n");
    1905           0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, "Invalid parameters");
    1906           0 :                 nvmf_rpc_ns_visible_ctx_free(ctx);
    1907           0 :                 return;
    1908             :         }
    1909           0 :         ctx->request = request;
    1910             : 
    1911           0 :         tgt = spdk_nvmf_get_tgt(ctx->tgt_name);
    1912           0 :         if (!tgt) {
    1913           0 :                 SPDK_ERRLOG("Unable to find a target object.\n");
    1914           0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
    1915             :                                                  "Unable to find a target.");
    1916           0 :                 nvmf_rpc_ns_visible_ctx_free(ctx);
    1917           0 :                 return;
    1918             :         }
    1919             : 
    1920           0 :         subsystem = spdk_nvmf_tgt_find_subsystem(tgt, ctx->nqn);
    1921           0 :         if (!subsystem) {
    1922           0 :                 SPDK_ERRLOG("Unable to find subsystem with NQN %s\n", ctx->nqn);
    1923           0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, "Invalid parameters");
    1924           0 :                 nvmf_rpc_ns_visible_ctx_free(ctx);
    1925           0 :                 return;
    1926             :         }
    1927             : 
    1928           0 :         rc = spdk_nvmf_subsystem_pause(subsystem, ctx->nsid, nvmf_rpc_ns_visible_paused, ctx);
    1929           0 :         if (rc != 0) {
    1930           0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR, "Internal error");
    1931           0 :                 nvmf_rpc_ns_visible_ctx_free(ctx);
    1932           0 :         }
    1933           0 : }
    1934             : 
    1935             : static void
    1936           0 : rpc_nvmf_ns_add_host(struct spdk_jsonrpc_request *request,
    1937             :                      const struct spdk_json_val *params)
    1938             : {
    1939           0 :         nvmf_rpc_ns_visible(request, params, true);
    1940           0 : }
    1941           0 : SPDK_RPC_REGISTER("nvmf_ns_add_host", rpc_nvmf_ns_add_host, SPDK_RPC_RUNTIME)
    1942             : 
    1943             : static void
    1944           0 : rpc_nvmf_ns_remove_host(struct spdk_jsonrpc_request *request,
    1945             :                         const struct spdk_json_val *params)
    1946             : {
    1947           0 :         nvmf_rpc_ns_visible(request, params, false);
    1948           0 : }
    1949           0 : SPDK_RPC_REGISTER("nvmf_ns_remove_host", rpc_nvmf_ns_remove_host, SPDK_RPC_RUNTIME)
    1950             : 
    1951             : struct nvmf_rpc_host_ctx {
    1952             :         struct spdk_jsonrpc_request *request;
    1953             :         char *nqn;
    1954             :         char *host;
    1955             :         char *tgt_name;
    1956             :         char *dhchap_key;
    1957             :         char *dhchap_ctrlr_key;
    1958             :         bool allow_any_host;
    1959             : };
    1960             : 
    1961             : static const struct spdk_json_object_decoder nvmf_rpc_subsystem_host_decoder[] = {
    1962             :         {"nqn", offsetof(struct nvmf_rpc_host_ctx, nqn), spdk_json_decode_string},
    1963             :         {"host", offsetof(struct nvmf_rpc_host_ctx, host), spdk_json_decode_string},
    1964             :         {"tgt_name", offsetof(struct nvmf_rpc_host_ctx, tgt_name), spdk_json_decode_string, true},
    1965             :         {"dhchap_key", offsetof(struct nvmf_rpc_host_ctx, dhchap_key), spdk_json_decode_string, true},
    1966             :         {"dhchap_ctrlr_key", offsetof(struct nvmf_rpc_host_ctx, dhchap_ctrlr_key), spdk_json_decode_string, true},
    1967             : };
    1968             : 
    1969             : static void
    1970           0 : nvmf_rpc_host_ctx_free(struct nvmf_rpc_host_ctx *ctx)
    1971             : {
    1972           0 :         free(ctx->nqn);
    1973           0 :         free(ctx->host);
    1974           0 :         free(ctx->tgt_name);
    1975           0 :         free(ctx->dhchap_key);
    1976           0 :         free(ctx->dhchap_ctrlr_key);
    1977           0 : }
    1978             : 
    1979             : static void
    1980           0 : rpc_nvmf_subsystem_add_host(struct spdk_jsonrpc_request *request,
    1981             :                             const struct spdk_json_val *params)
    1982             : {
    1983           0 :         struct nvmf_rpc_host_ctx ctx = {};
    1984             :         struct spdk_nvmf_subsystem *subsystem;
    1985           0 :         struct spdk_nvmf_host_opts opts = {};
    1986             :         struct spdk_nvmf_tgt *tgt;
    1987           0 :         struct spdk_key *key = NULL, *ckey = NULL;
    1988             :         int rc;
    1989             : 
    1990           0 :         if (spdk_json_decode_object_relaxed(params, nvmf_rpc_subsystem_host_decoder,
    1991             :                                             SPDK_COUNTOF(nvmf_rpc_subsystem_host_decoder),
    1992             :                                             &ctx)) {
    1993           0 :                 SPDK_ERRLOG("spdk_json_decode_object failed\n");
    1994           0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, "Invalid parameters");
    1995           0 :                 goto out;
    1996             :         }
    1997             : 
    1998           0 :         tgt = spdk_nvmf_get_tgt(ctx.tgt_name);
    1999           0 :         if (!tgt) {
    2000           0 :                 SPDK_ERRLOG("Unable to find a target object.\n");
    2001           0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
    2002             :                                                  "Unable to find a target.");
    2003           0 :                 goto out;
    2004             :         }
    2005             : 
    2006           0 :         subsystem = spdk_nvmf_tgt_find_subsystem(tgt, ctx.nqn);
    2007           0 :         if (!subsystem) {
    2008           0 :                 SPDK_ERRLOG("Unable to find subsystem with NQN %s\n", ctx.nqn);
    2009           0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, "Invalid parameters");
    2010           0 :                 goto out;
    2011             :         }
    2012             : 
    2013           0 :         if (ctx.dhchap_key != NULL) {
    2014           0 :                 key = spdk_keyring_get_key(ctx.dhchap_key);
    2015           0 :                 if (key == NULL) {
    2016           0 :                         SPDK_ERRLOG("Unable to find DH-HMAC-CHAP key: %s\n", ctx.dhchap_key);
    2017           0 :                         spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
    2018             :                                                          "Invalid parameters");
    2019           0 :                         goto out;
    2020             :                 }
    2021           0 :         }
    2022             : 
    2023           0 :         if (ctx.dhchap_ctrlr_key != NULL) {
    2024           0 :                 ckey = spdk_keyring_get_key(ctx.dhchap_ctrlr_key);
    2025           0 :                 if (ckey == NULL) {
    2026           0 :                         SPDK_ERRLOG("Unable to find DH-HMAC-CHAP ctrlr key: %s\n",
    2027             :                                     ctx.dhchap_ctrlr_key);
    2028           0 :                         spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
    2029             :                                                          "Invalid parameters");
    2030           0 :                         goto out;
    2031             :                 }
    2032           0 :         }
    2033             : 
    2034           0 :         opts.size = SPDK_SIZEOF(&opts, dhchap_ctrlr_key);
    2035           0 :         opts.params = params;
    2036           0 :         opts.dhchap_key = key;
    2037           0 :         opts.dhchap_ctrlr_key = ckey;
    2038           0 :         rc = spdk_nvmf_subsystem_add_host_ext(subsystem, ctx.host, &opts);
    2039           0 :         if (rc != 0) {
    2040           0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR, "Internal error");
    2041           0 :                 goto out;
    2042             :         }
    2043             : 
    2044           0 :         spdk_jsonrpc_send_bool_response(request, true);
    2045             : out:
    2046           0 :         spdk_keyring_put_key(ckey);
    2047           0 :         spdk_keyring_put_key(key);
    2048           0 :         nvmf_rpc_host_ctx_free(&ctx);
    2049           0 : }
    2050           0 : SPDK_RPC_REGISTER("nvmf_subsystem_add_host", rpc_nvmf_subsystem_add_host, SPDK_RPC_RUNTIME)
    2051             : 
    2052             : static void
    2053           0 : rpc_nvmf_subsystem_remove_host_done(void *_ctx, int status)
    2054             : {
    2055           0 :         struct nvmf_rpc_host_ctx *ctx = _ctx;
    2056             : 
    2057           0 :         spdk_jsonrpc_send_bool_response(ctx->request, true);
    2058           0 :         nvmf_rpc_host_ctx_free(ctx);
    2059           0 :         free(ctx);
    2060           0 : }
    2061             : 
    2062             : static void
    2063           0 : rpc_nvmf_subsystem_remove_host(struct spdk_jsonrpc_request *request,
    2064             :                                const struct spdk_json_val *params)
    2065             : {
    2066             :         struct nvmf_rpc_host_ctx *ctx;
    2067             :         struct spdk_nvmf_subsystem *subsystem;
    2068             :         struct spdk_nvmf_tgt *tgt;
    2069             :         int rc;
    2070             : 
    2071           0 :         ctx = calloc(1, sizeof(*ctx));
    2072           0 :         if (ctx == NULL) {
    2073           0 :                 SPDK_ERRLOG("Unable to allocate context to perform RPC\n");
    2074           0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR, "Out of memory");
    2075           0 :                 return;
    2076             :         }
    2077             : 
    2078           0 :         ctx->request = request;
    2079             : 
    2080           0 :         if (spdk_json_decode_object(params, nvmf_rpc_subsystem_host_decoder,
    2081             :                                     SPDK_COUNTOF(nvmf_rpc_subsystem_host_decoder),
    2082           0 :                                     ctx)) {
    2083           0 :                 SPDK_ERRLOG("spdk_json_decode_object failed\n");
    2084           0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, "Invalid parameters");
    2085           0 :                 nvmf_rpc_host_ctx_free(ctx);
    2086           0 :                 free(ctx);
    2087           0 :                 return;
    2088             :         }
    2089             : 
    2090           0 :         tgt = spdk_nvmf_get_tgt(ctx->tgt_name);
    2091           0 :         if (!tgt) {
    2092           0 :                 SPDK_ERRLOG("Unable to find a target object.\n");
    2093           0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
    2094             :                                                  "Unable to find a target.");
    2095           0 :                 nvmf_rpc_host_ctx_free(ctx);
    2096           0 :                 free(ctx);
    2097           0 :                 return;
    2098             :         }
    2099             : 
    2100           0 :         subsystem = spdk_nvmf_tgt_find_subsystem(tgt, ctx->nqn);
    2101           0 :         if (!subsystem) {
    2102           0 :                 SPDK_ERRLOG("Unable to find subsystem with NQN %s\n", ctx->nqn);
    2103           0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, "Invalid parameters");
    2104           0 :                 nvmf_rpc_host_ctx_free(ctx);
    2105           0 :                 free(ctx);
    2106           0 :                 return;
    2107             :         }
    2108             : 
    2109           0 :         rc = spdk_nvmf_subsystem_remove_host(subsystem, ctx->host);
    2110           0 :         if (rc != 0) {
    2111           0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR, "Internal error");
    2112           0 :                 nvmf_rpc_host_ctx_free(ctx);
    2113           0 :                 free(ctx);
    2114           0 :                 return;
    2115             :         }
    2116             : 
    2117           0 :         rc = spdk_nvmf_subsystem_disconnect_host(subsystem, ctx->host,
    2118             :                         rpc_nvmf_subsystem_remove_host_done,
    2119           0 :                         ctx);
    2120           0 :         if (rc != 0) {
    2121           0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR, "Internal error");
    2122           0 :                 nvmf_rpc_host_ctx_free(ctx);
    2123           0 :                 free(ctx);
    2124           0 :                 return;
    2125             :         }
    2126           0 : }
    2127           0 : SPDK_RPC_REGISTER("nvmf_subsystem_remove_host", rpc_nvmf_subsystem_remove_host,
    2128             :                   SPDK_RPC_RUNTIME)
    2129             : 
    2130             : static void
    2131           0 : rpc_nvmf_subsystem_set_keys(struct spdk_jsonrpc_request *request,
    2132             :                             const struct spdk_json_val *params)
    2133             : {
    2134           0 :         struct nvmf_rpc_host_ctx ctx = {};
    2135             :         struct spdk_nvmf_subsystem *subsystem;
    2136           0 :         struct spdk_nvmf_subsystem_key_opts opts = {};
    2137             :         struct spdk_nvmf_tgt *tgt;
    2138           0 :         struct spdk_key *key = NULL, *ckey = NULL;
    2139             :         int rc;
    2140             : 
    2141           0 :         if (spdk_json_decode_object(params, nvmf_rpc_subsystem_host_decoder,
    2142             :                                     SPDK_COUNTOF(nvmf_rpc_subsystem_host_decoder), &ctx)) {
    2143           0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
    2144             :                                                  "Invalid parameters");
    2145           0 :                 goto out;
    2146             :         }
    2147             : 
    2148           0 :         tgt = spdk_nvmf_get_tgt(ctx.tgt_name);
    2149           0 :         if (!tgt) {
    2150           0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
    2151             :                                                  "Invalid parameters");
    2152           0 :                 goto out;
    2153             :         }
    2154           0 :         subsystem = spdk_nvmf_tgt_find_subsystem(tgt, ctx.nqn);
    2155           0 :         if (!subsystem) {
    2156           0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
    2157             :                                                  "Invalid parameters");
    2158           0 :                 goto out;
    2159             :         }
    2160             : 
    2161           0 :         if (ctx.dhchap_key != NULL) {
    2162           0 :                 key = spdk_keyring_get_key(ctx.dhchap_key);
    2163           0 :                 if (key == NULL) {
    2164           0 :                         SPDK_ERRLOG("Unable to find DH-HMAC-CHAP key: %s\n", ctx.dhchap_key);
    2165           0 :                         spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
    2166             :                                                          "Invalid parameters");
    2167           0 :                         goto out;
    2168             :                 }
    2169           0 :         }
    2170           0 :         if (ctx.dhchap_ctrlr_key != NULL) {
    2171           0 :                 ckey = spdk_keyring_get_key(ctx.dhchap_ctrlr_key);
    2172           0 :                 if (ckey == NULL) {
    2173           0 :                         SPDK_ERRLOG("Unable to find DH-HMAC-CHAP ctrlr key: %s\n",
    2174             :                                     ctx.dhchap_ctrlr_key);
    2175           0 :                         spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
    2176             :                                                          "Invalid parameters");
    2177           0 :                         goto out;
    2178             :                 }
    2179           0 :         }
    2180             : 
    2181           0 :         opts.size = SPDK_SIZEOF(&opts, dhchap_ctrlr_key);
    2182           0 :         opts.dhchap_key = key;
    2183           0 :         opts.dhchap_ctrlr_key = ckey;
    2184           0 :         rc = spdk_nvmf_subsystem_set_keys(subsystem, ctx.host, &opts);
    2185           0 :         if (rc != 0) {
    2186           0 :                 spdk_jsonrpc_send_error_response(request, rc, spdk_strerror(-rc));
    2187           0 :                 goto out;
    2188             :         }
    2189             : 
    2190           0 :         spdk_jsonrpc_send_bool_response(request, true);
    2191             : out:
    2192           0 :         spdk_keyring_put_key(ckey);
    2193           0 :         spdk_keyring_put_key(key);
    2194           0 :         nvmf_rpc_host_ctx_free(&ctx);
    2195           0 : }
    2196           0 : SPDK_RPC_REGISTER("nvmf_subsystem_set_keys", rpc_nvmf_subsystem_set_keys, SPDK_RPC_RUNTIME)
    2197             : 
    2198             : static const struct spdk_json_object_decoder nvmf_rpc_subsystem_any_host_decoder[] = {
    2199             :         {"nqn", offsetof(struct nvmf_rpc_host_ctx, nqn), spdk_json_decode_string},
    2200             :         {"allow_any_host", offsetof(struct nvmf_rpc_host_ctx, allow_any_host), spdk_json_decode_bool},
    2201             :         {"tgt_name", offsetof(struct nvmf_rpc_host_ctx, tgt_name), spdk_json_decode_string, true},
    2202             : };
    2203             : 
    2204             : static void
    2205           0 : rpc_nvmf_subsystem_allow_any_host(struct spdk_jsonrpc_request *request,
    2206             :                                   const struct spdk_json_val *params)
    2207             : {
    2208           0 :         struct nvmf_rpc_host_ctx ctx = {};
    2209             :         struct spdk_nvmf_subsystem *subsystem;
    2210             :         struct spdk_nvmf_tgt *tgt;
    2211             :         int rc;
    2212             : 
    2213           0 :         if (spdk_json_decode_object(params, nvmf_rpc_subsystem_any_host_decoder,
    2214             :                                     SPDK_COUNTOF(nvmf_rpc_subsystem_any_host_decoder),
    2215             :                                     &ctx)) {
    2216           0 :                 SPDK_ERRLOG("spdk_json_decode_object failed\n");
    2217           0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, "Invalid parameters");
    2218           0 :                 nvmf_rpc_host_ctx_free(&ctx);
    2219           0 :                 return;
    2220             :         }
    2221             : 
    2222           0 :         tgt = spdk_nvmf_get_tgt(ctx.tgt_name);
    2223           0 :         if (!tgt) {
    2224           0 :                 SPDK_ERRLOG("Unable to find a target object.\n");
    2225           0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
    2226             :                                                  "Unable to find a target.");
    2227           0 :                 nvmf_rpc_host_ctx_free(&ctx);
    2228           0 :                 return;
    2229             :         }
    2230             : 
    2231           0 :         subsystem = spdk_nvmf_tgt_find_subsystem(tgt, ctx.nqn);
    2232           0 :         if (!subsystem) {
    2233           0 :                 SPDK_ERRLOG("Unable to find subsystem with NQN %s\n", ctx.nqn);
    2234           0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, "Invalid parameters");
    2235           0 :                 nvmf_rpc_host_ctx_free(&ctx);
    2236           0 :                 return;
    2237             :         }
    2238             : 
    2239           0 :         rc = spdk_nvmf_subsystem_set_allow_any_host(subsystem, ctx.allow_any_host);
    2240           0 :         if (rc != 0) {
    2241           0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR, "Internal error");
    2242           0 :                 nvmf_rpc_host_ctx_free(&ctx);
    2243           0 :                 return;
    2244             :         }
    2245             : 
    2246           0 :         spdk_jsonrpc_send_bool_response(request, true);
    2247           0 :         nvmf_rpc_host_ctx_free(&ctx);
    2248           0 : }
    2249           0 : SPDK_RPC_REGISTER("nvmf_subsystem_allow_any_host", rpc_nvmf_subsystem_allow_any_host,
    2250             :                   SPDK_RPC_RUNTIME)
    2251             : 
    2252             : struct nvmf_rpc_target_ctx {
    2253             :         char *name;
    2254             :         uint32_t max_subsystems;
    2255             :         char *discovery_filter;
    2256             : };
    2257             : 
    2258             : static int
    2259           0 : decode_discovery_filter(const struct spdk_json_val *val, void *out)
    2260             : {
    2261           0 :         uint32_t *_filter = out;
    2262           0 :         uint32_t filter = SPDK_NVMF_TGT_DISCOVERY_MATCH_ANY;
    2263           0 :         char *tokens = spdk_json_strdup(val);
    2264             :         char *tok;
    2265           0 :         int rc = -EINVAL;
    2266           0 :         bool all_specified = false;
    2267             : 
    2268           0 :         if (!tokens) {
    2269           0 :                 return -ENOMEM;
    2270             :         }
    2271             : 
    2272           0 :         tok = strtok(tokens, ",");
    2273           0 :         while (tok) {
    2274           0 :                 if (strncmp(tok, "match_any", 9) == 0) {
    2275           0 :                         if (filter != SPDK_NVMF_TGT_DISCOVERY_MATCH_ANY) {
    2276           0 :                                 goto out;
    2277             :                         }
    2278           0 :                         filter = SPDK_NVMF_TGT_DISCOVERY_MATCH_ANY;
    2279           0 :                         all_specified = true;
    2280           0 :                 } else {
    2281           0 :                         if (all_specified) {
    2282           0 :                                 goto out;
    2283             :                         }
    2284           0 :                         if (strncmp(tok, "transport", 9) == 0) {
    2285           0 :                                 filter |= SPDK_NVMF_TGT_DISCOVERY_MATCH_TRANSPORT_TYPE;
    2286           0 :                         } else if (strncmp(tok, "address", 7) == 0) {
    2287           0 :                                 filter |= SPDK_NVMF_TGT_DISCOVERY_MATCH_TRANSPORT_ADDRESS;
    2288           0 :                         } else if (strncmp(tok, "svcid", 5) == 0) {
    2289           0 :                                 filter |= SPDK_NVMF_TGT_DISCOVERY_MATCH_TRANSPORT_SVCID;
    2290           0 :                         } else {
    2291           0 :                                 SPDK_ERRLOG("Invalid value %s\n", tok);
    2292           0 :                                 goto out;
    2293             :                         }
    2294             :                 }
    2295             : 
    2296           0 :                 tok = strtok(NULL, ",");
    2297             :         }
    2298             : 
    2299           0 :         rc = 0;
    2300           0 :         *_filter = filter;
    2301             : 
    2302             : out:
    2303           0 :         free(tokens);
    2304             : 
    2305           0 :         return rc;
    2306           0 : }
    2307             : 
    2308             : static const struct spdk_json_object_decoder nvmf_rpc_create_target_decoder[] = {
    2309             :         {"name", offsetof(struct nvmf_rpc_target_ctx, name), spdk_json_decode_string},
    2310             :         {"max_subsystems", offsetof(struct nvmf_rpc_target_ctx, max_subsystems), spdk_json_decode_uint32, true},
    2311             :         {"discovery_filter", offsetof(struct nvmf_rpc_target_ctx, discovery_filter), decode_discovery_filter, true}
    2312             : };
    2313             : 
    2314             : static void
    2315           0 : rpc_nvmf_create_target(struct spdk_jsonrpc_request *request,
    2316             :                        const struct spdk_json_val *params)
    2317             : {
    2318             :         struct spdk_nvmf_target_opts    opts;
    2319           0 :         struct nvmf_rpc_target_ctx      ctx = {0};
    2320             :         struct spdk_nvmf_tgt            *tgt;
    2321             :         struct spdk_json_write_ctx      *w;
    2322             : 
    2323             :         /* Decode parameters the first time to get the transport type */
    2324           0 :         if (spdk_json_decode_object(params, nvmf_rpc_create_target_decoder,
    2325             :                                     SPDK_COUNTOF(nvmf_rpc_create_target_decoder),
    2326             :                                     &ctx)) {
    2327           0 :                 SPDK_ERRLOG("spdk_json_decode_object failed\n");
    2328           0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, "Invalid parameters");
    2329           0 :                 goto out;
    2330             :         }
    2331             : 
    2332           0 :         snprintf(opts.name, NVMF_TGT_NAME_MAX_LENGTH, "%s", ctx.name);
    2333           0 :         opts.max_subsystems = ctx.max_subsystems;
    2334           0 :         opts.size = SPDK_SIZEOF(&opts, discovery_filter);
    2335             : 
    2336           0 :         if (spdk_nvmf_get_tgt(opts.name) != NULL) {
    2337           0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
    2338             :                                                  "Target already exists.");
    2339           0 :                 goto out;
    2340             :         }
    2341             : 
    2342           0 :         tgt = spdk_nvmf_tgt_create(&opts);
    2343             : 
    2344           0 :         if (tgt == NULL) {
    2345           0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
    2346             :                                                  "Unable to create the requested target.");
    2347           0 :                 goto out;
    2348             :         }
    2349             : 
    2350           0 :         w = spdk_jsonrpc_begin_result(request);
    2351           0 :         spdk_json_write_string(w, spdk_nvmf_tgt_get_name(tgt));
    2352           0 :         spdk_jsonrpc_end_result(request, w);
    2353             : out:
    2354           0 :         free(ctx.name);
    2355           0 :         free(ctx.discovery_filter);
    2356           0 : }
    2357           0 : /* private */ SPDK_RPC_REGISTER("nvmf_create_target", rpc_nvmf_create_target, SPDK_RPC_RUNTIME);
    2358             : 
    2359             : static const struct spdk_json_object_decoder nvmf_rpc_destroy_target_decoder[] = {
    2360             :         {"name", offsetof(struct nvmf_rpc_target_ctx, name), spdk_json_decode_string},
    2361             : };
    2362             : 
    2363             : static void
    2364           0 : nvmf_rpc_destroy_target_done(void *ctx, int status)
    2365             : {
    2366           0 :         struct spdk_jsonrpc_request     *request = ctx;
    2367             : 
    2368           0 :         spdk_jsonrpc_send_bool_response(request, true);
    2369           0 : }
    2370             : 
    2371             : static void
    2372           0 : rpc_nvmf_delete_target(struct spdk_jsonrpc_request *request,
    2373             :                        const struct spdk_json_val *params)
    2374             : {
    2375           0 :         struct nvmf_rpc_target_ctx      ctx = {0};
    2376             :         struct spdk_nvmf_tgt            *tgt;
    2377             : 
    2378             :         /* Decode parameters the first time to get the transport type */
    2379           0 :         if (spdk_json_decode_object(params, nvmf_rpc_destroy_target_decoder,
    2380             :                                     SPDK_COUNTOF(nvmf_rpc_destroy_target_decoder),
    2381             :                                     &ctx)) {
    2382           0 :                 SPDK_ERRLOG("spdk_json_decode_object failed\n");
    2383           0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, "Invalid parameters");
    2384           0 :                 free(ctx.name);
    2385           0 :                 return;
    2386             :         }
    2387             : 
    2388           0 :         tgt = spdk_nvmf_get_tgt(ctx.name);
    2389             : 
    2390           0 :         if (tgt == NULL) {
    2391           0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
    2392             :                                                  "The specified target doesn't exist, cannot delete it.");
    2393           0 :                 free(ctx.name);
    2394           0 :                 return;
    2395             :         }
    2396             : 
    2397           0 :         spdk_nvmf_tgt_destroy(tgt, nvmf_rpc_destroy_target_done, request);
    2398           0 :         free(ctx.name);
    2399           0 : }
    2400           0 : /* private */ SPDK_RPC_REGISTER("nvmf_delete_target", rpc_nvmf_delete_target, SPDK_RPC_RUNTIME);
    2401             : 
    2402             : static void
    2403           0 : rpc_nvmf_get_targets(struct spdk_jsonrpc_request *request,
    2404             :                      const struct spdk_json_val *params)
    2405             : {
    2406             :         struct spdk_json_write_ctx      *w;
    2407             :         struct spdk_nvmf_tgt            *tgt;
    2408             :         const char                      *name;
    2409             : 
    2410           0 :         if (params != NULL) {
    2411           0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
    2412             :                                                  "nvmf_get_targets has no parameters.");
    2413           0 :                 return;
    2414             :         }
    2415             : 
    2416           0 :         w = spdk_jsonrpc_begin_result(request);
    2417           0 :         spdk_json_write_array_begin(w);
    2418             : 
    2419           0 :         tgt = spdk_nvmf_get_first_tgt();
    2420             : 
    2421           0 :         while (tgt != NULL) {
    2422           0 :                 name = spdk_nvmf_tgt_get_name(tgt);
    2423           0 :                 spdk_json_write_string(w, name);
    2424           0 :                 tgt = spdk_nvmf_get_next_tgt(tgt);
    2425             :         }
    2426             : 
    2427           0 :         spdk_json_write_array_end(w);
    2428           0 :         spdk_jsonrpc_end_result(request, w);
    2429           0 : }
    2430           0 : /* private */ SPDK_RPC_REGISTER("nvmf_get_targets", rpc_nvmf_get_targets, SPDK_RPC_RUNTIME);
    2431             : 
    2432             : struct nvmf_rpc_create_transport_ctx {
    2433             :         char                            *trtype;
    2434             :         char                            *tgt_name;
    2435             :         struct spdk_nvmf_transport_opts opts;
    2436             :         struct spdk_jsonrpc_request     *request;
    2437             :         struct spdk_nvmf_transport      *transport;
    2438             :         int                             status;
    2439             : };
    2440             : 
    2441             : /**
    2442             :  * `max_qpairs_per_ctrlr` represents both admin and IO qpairs, that confuses
    2443             :  * users when they configure a transport using RPC. So it was decided to
    2444             :  * deprecate `max_qpairs_per_ctrlr` RPC parameter and use `max_io_qpairs_per_ctrlr`
    2445             :  * But internal logic remains unchanged and SPDK expects that
    2446             :  * spdk_nvmf_transport_opts::max_qpairs_per_ctrlr includes an admin qpair.
    2447             :  * This function parses the number of IO qpairs and adds +1 for admin qpair.
    2448             :  */
    2449             : static int
    2450           0 : nvmf_rpc_decode_max_io_qpairs(const struct spdk_json_val *val, void *out)
    2451             : {
    2452           0 :         uint16_t *i = out;
    2453             :         int rc;
    2454             : 
    2455           0 :         rc = spdk_json_number_to_uint16(val, i);
    2456           0 :         if (rc == 0) {
    2457           0 :                 (*i)++;
    2458           0 :         }
    2459             : 
    2460           0 :         return rc;
    2461             : }
    2462             : 
    2463             : static const struct spdk_json_object_decoder nvmf_rpc_create_transport_decoder[] = {
    2464             :         {       "trtype", offsetof(struct nvmf_rpc_create_transport_ctx, trtype), spdk_json_decode_string},
    2465             :         {
    2466             :                 "max_queue_depth", offsetof(struct nvmf_rpc_create_transport_ctx, opts.max_queue_depth),
    2467             :                 spdk_json_decode_uint16, true
    2468             :         },
    2469             :         {
    2470             :                 "max_io_qpairs_per_ctrlr", offsetof(struct nvmf_rpc_create_transport_ctx, opts.max_qpairs_per_ctrlr),
    2471             :                 nvmf_rpc_decode_max_io_qpairs, true
    2472             :         },
    2473             :         {
    2474             :                 "in_capsule_data_size", offsetof(struct nvmf_rpc_create_transport_ctx, opts.in_capsule_data_size),
    2475             :                 spdk_json_decode_uint32, true
    2476             :         },
    2477             :         {
    2478             :                 "max_io_size", offsetof(struct nvmf_rpc_create_transport_ctx, opts.max_io_size),
    2479             :                 spdk_json_decode_uint32, true
    2480             :         },
    2481             :         {
    2482             :                 "io_unit_size", offsetof(struct nvmf_rpc_create_transport_ctx, opts.io_unit_size),
    2483             :                 spdk_json_decode_uint32, true
    2484             :         },
    2485             :         {
    2486             :                 "max_aq_depth", offsetof(struct nvmf_rpc_create_transport_ctx, opts.max_aq_depth),
    2487             :                 spdk_json_decode_uint32, true
    2488             :         },
    2489             :         {
    2490             :                 "num_shared_buffers", offsetof(struct nvmf_rpc_create_transport_ctx, opts.num_shared_buffers),
    2491             :                 spdk_json_decode_uint32, true
    2492             :         },
    2493             :         {
    2494             :                 "buf_cache_size", offsetof(struct nvmf_rpc_create_transport_ctx, opts.buf_cache_size),
    2495             :                 spdk_json_decode_uint32, true
    2496             :         },
    2497             :         {
    2498             :                 "dif_insert_or_strip", offsetof(struct nvmf_rpc_create_transport_ctx, opts.dif_insert_or_strip),
    2499             :                 spdk_json_decode_bool, true
    2500             :         },
    2501             :         {
    2502             :                 "abort_timeout_sec", offsetof(struct nvmf_rpc_create_transport_ctx, opts.abort_timeout_sec),
    2503             :                 spdk_json_decode_uint32, true
    2504             :         },
    2505             :         {
    2506             :                 "zcopy", offsetof(struct nvmf_rpc_create_transport_ctx, opts.zcopy),
    2507             :                 spdk_json_decode_bool, true
    2508             :         },
    2509             :         {
    2510             :                 "tgt_name", offsetof(struct nvmf_rpc_create_transport_ctx, tgt_name),
    2511             :                 spdk_json_decode_string, true
    2512             :         },
    2513             :         {
    2514             :                 "acceptor_poll_rate", offsetof(struct nvmf_rpc_create_transport_ctx, opts.acceptor_poll_rate),
    2515             :                 spdk_json_decode_uint32, true
    2516             :         },
    2517             :         {
    2518             :                 "ack_timeout", offsetof(struct nvmf_rpc_create_transport_ctx, opts.ack_timeout),
    2519             :                 spdk_json_decode_uint32, true
    2520             :         },
    2521             :         {
    2522             :                 "data_wr_pool_size", offsetof(struct nvmf_rpc_create_transport_ctx, opts.data_wr_pool_size),
    2523             :                 spdk_json_decode_uint32, true
    2524             :         },
    2525             :         {
    2526             :                 "disable_command_passthru", offsetof(struct nvmf_rpc_create_transport_ctx, opts.disable_command_passthru),
    2527             :                 spdk_json_decode_bool, true
    2528             :         }
    2529             : };
    2530             : 
    2531             : static void
    2532           0 : nvmf_rpc_create_transport_ctx_free(struct nvmf_rpc_create_transport_ctx *ctx)
    2533             : {
    2534           0 :         free(ctx->trtype);
    2535           0 :         free(ctx->tgt_name);
    2536           0 :         free(ctx);
    2537           0 : }
    2538             : 
    2539             : static void
    2540           0 : nvmf_rpc_transport_destroy_done_cb(void *cb_arg)
    2541             : {
    2542           0 :         struct nvmf_rpc_create_transport_ctx *ctx = cb_arg;
    2543             : 
    2544           0 :         spdk_jsonrpc_send_error_response_fmt(ctx->request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
    2545           0 :                                              "Failed to add transport to tgt.(%d)", ctx->status);
    2546           0 :         nvmf_rpc_create_transport_ctx_free(ctx);
    2547           0 : }
    2548             : 
    2549             : static void
    2550           0 : nvmf_rpc_tgt_add_transport_done(void *cb_arg, int status)
    2551             : {
    2552           0 :         struct nvmf_rpc_create_transport_ctx *ctx = cb_arg;
    2553             : 
    2554           0 :         if (status) {
    2555           0 :                 SPDK_ERRLOG("Failed to add transport to tgt.(%d)\n", status);
    2556           0 :                 ctx->status = status;
    2557           0 :                 spdk_nvmf_transport_destroy(ctx->transport, nvmf_rpc_transport_destroy_done_cb, ctx);
    2558           0 :                 return;
    2559             :         }
    2560             : 
    2561           0 :         spdk_jsonrpc_send_bool_response(ctx->request, true);
    2562           0 :         nvmf_rpc_create_transport_ctx_free(ctx);
    2563           0 : }
    2564             : 
    2565             : static void
    2566           0 : nvmf_rpc_create_transport_done(void *cb_arg, struct spdk_nvmf_transport *transport)
    2567             : {
    2568           0 :         struct nvmf_rpc_create_transport_ctx *ctx = cb_arg;
    2569             : 
    2570           0 :         if (!transport) {
    2571           0 :                 SPDK_ERRLOG("Failed to create transport.\n");
    2572           0 :                 spdk_jsonrpc_send_error_response(ctx->request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
    2573             :                                                  "Failed to create transport.");
    2574           0 :                 nvmf_rpc_create_transport_ctx_free(ctx);
    2575           0 :                 return;
    2576             :         }
    2577             : 
    2578           0 :         ctx->transport = transport;
    2579             : 
    2580           0 :         spdk_nvmf_tgt_add_transport(spdk_nvmf_get_tgt(ctx->tgt_name), transport,
    2581           0 :                                     nvmf_rpc_tgt_add_transport_done, ctx);
    2582           0 : }
    2583             : 
    2584             : static void
    2585           0 : rpc_nvmf_create_transport(struct spdk_jsonrpc_request *request,
    2586             :                           const struct spdk_json_val *params)
    2587             : {
    2588             :         struct nvmf_rpc_create_transport_ctx *ctx;
    2589             :         struct spdk_nvmf_tgt *tgt;
    2590             :         int rc;
    2591             : 
    2592           0 :         ctx = calloc(1, sizeof(*ctx));
    2593           0 :         if (!ctx) {
    2594           0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR, "Out of memory");
    2595           0 :                 return;
    2596             :         }
    2597             : 
    2598             :         /* Decode parameters the first time to get the transport type */
    2599           0 :         if (spdk_json_decode_object_relaxed(params, nvmf_rpc_create_transport_decoder,
    2600             :                                             SPDK_COUNTOF(nvmf_rpc_create_transport_decoder),
    2601           0 :                                             ctx)) {
    2602           0 :                 SPDK_ERRLOG("spdk_json_decode_object_relaxed failed\n");
    2603           0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, "Invalid parameters");
    2604           0 :                 nvmf_rpc_create_transport_ctx_free(ctx);
    2605           0 :                 return;
    2606             :         }
    2607             : 
    2608           0 :         tgt = spdk_nvmf_get_tgt(ctx->tgt_name);
    2609           0 :         if (!tgt) {
    2610           0 :                 SPDK_ERRLOG("Unable to find a target object.\n");
    2611           0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
    2612             :                                                  "Unable to find a target.");
    2613           0 :                 nvmf_rpc_create_transport_ctx_free(ctx);
    2614           0 :                 return;
    2615             :         }
    2616             : 
    2617             :         /* Initialize all the transport options (based on transport type) and decode the
    2618             :          * parameters again to update any options passed in rpc create transport call.
    2619             :          */
    2620           0 :         if (!spdk_nvmf_transport_opts_init(ctx->trtype, &ctx->opts, sizeof(ctx->opts))) {
    2621             :                 /* This can happen if user specifies PCIE transport type which isn't valid for
    2622             :                  * NVMe-oF.
    2623             :                  */
    2624           0 :                 SPDK_ERRLOG("Invalid transport type '%s'\n", ctx->trtype);
    2625           0 :                 spdk_jsonrpc_send_error_response_fmt(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
    2626           0 :                                                      "Invalid transport type '%s'", ctx->trtype);
    2627           0 :                 nvmf_rpc_create_transport_ctx_free(ctx);
    2628           0 :                 return;
    2629             :         }
    2630             : 
    2631           0 :         if (spdk_json_decode_object_relaxed(params, nvmf_rpc_create_transport_decoder,
    2632             :                                             SPDK_COUNTOF(nvmf_rpc_create_transport_decoder),
    2633           0 :                                             ctx)) {
    2634           0 :                 SPDK_ERRLOG("spdk_json_decode_object_relaxed failed\n");
    2635           0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, "Invalid parameters");
    2636           0 :                 nvmf_rpc_create_transport_ctx_free(ctx);
    2637           0 :                 return;
    2638             :         }
    2639             : 
    2640           0 :         if (spdk_nvmf_tgt_get_transport(tgt, ctx->trtype)) {
    2641           0 :                 SPDK_ERRLOG("Transport type '%s' already exists\n", ctx->trtype);
    2642           0 :                 spdk_jsonrpc_send_error_response_fmt(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
    2643           0 :                                                      "Transport type '%s' already exists", ctx->trtype);
    2644           0 :                 nvmf_rpc_create_transport_ctx_free(ctx);
    2645           0 :                 return;
    2646             :         }
    2647             : 
    2648             :         /* Transport can parse additional params themselves */
    2649           0 :         ctx->opts.transport_specific = params;
    2650           0 :         ctx->request = request;
    2651             : 
    2652           0 :         rc = spdk_nvmf_transport_create_async(ctx->trtype, &ctx->opts, nvmf_rpc_create_transport_done, ctx);
    2653           0 :         if (rc) {
    2654           0 :                 SPDK_ERRLOG("Transport type '%s' create failed\n", ctx->trtype);
    2655           0 :                 spdk_jsonrpc_send_error_response_fmt(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
    2656           0 :                                                      "Transport type '%s' create failed", ctx->trtype);
    2657           0 :                 nvmf_rpc_create_transport_ctx_free(ctx);
    2658           0 :         }
    2659           0 : }
    2660           0 : SPDK_RPC_REGISTER("nvmf_create_transport", rpc_nvmf_create_transport, SPDK_RPC_RUNTIME)
    2661             : 
    2662             : struct rpc_get_transport {
    2663             :         char *trtype;
    2664             :         char *tgt_name;
    2665             : };
    2666             : 
    2667             : static const struct spdk_json_object_decoder rpc_get_transport_decoders[] = {
    2668             :         {"trtype", offsetof(struct rpc_get_transport, trtype), spdk_json_decode_string, true},
    2669             :         {"tgt_name", offsetof(struct rpc_get_transport, tgt_name), spdk_json_decode_string, true},
    2670             : };
    2671             : 
    2672             : static void
    2673           0 : rpc_nvmf_get_transports(struct spdk_jsonrpc_request *request,
    2674             :                         const struct spdk_json_val *params)
    2675             : {
    2676           0 :         struct rpc_get_transport req = { 0 };
    2677             :         struct spdk_json_write_ctx *w;
    2678           0 :         struct spdk_nvmf_transport *transport = NULL;
    2679             :         struct spdk_nvmf_tgt *tgt;
    2680             : 
    2681           0 :         if (params) {
    2682           0 :                 if (spdk_json_decode_object(params, rpc_get_transport_decoders,
    2683             :                                             SPDK_COUNTOF(rpc_get_transport_decoders),
    2684             :                                             &req)) {
    2685           0 :                         SPDK_ERRLOG("spdk_json_decode_object failed\n");
    2686           0 :                         spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, "Invalid parameters");
    2687           0 :                         return;
    2688             :                 }
    2689           0 :         }
    2690             : 
    2691           0 :         tgt = spdk_nvmf_get_tgt(req.tgt_name);
    2692           0 :         if (!tgt) {
    2693           0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
    2694             :                                                  "Unable to find a target.");
    2695           0 :                 free(req.trtype);
    2696           0 :                 free(req.tgt_name);
    2697           0 :                 return;
    2698             :         }
    2699             : 
    2700           0 :         if (req.trtype) {
    2701           0 :                 transport = spdk_nvmf_tgt_get_transport(tgt, req.trtype);
    2702           0 :                 if (transport == NULL) {
    2703           0 :                         SPDK_ERRLOG("transport '%s' does not exist\n", req.trtype);
    2704           0 :                         spdk_jsonrpc_send_error_response(request, -ENODEV, spdk_strerror(ENODEV));
    2705           0 :                         free(req.trtype);
    2706           0 :                         free(req.tgt_name);
    2707           0 :                         return;
    2708             :                 }
    2709           0 :         }
    2710             : 
    2711           0 :         w = spdk_jsonrpc_begin_result(request);
    2712           0 :         spdk_json_write_array_begin(w);
    2713             : 
    2714           0 :         if (transport) {
    2715           0 :                 nvmf_transport_dump_opts(transport, w, false);
    2716           0 :         } else {
    2717           0 :                 for (transport = spdk_nvmf_transport_get_first(tgt); transport != NULL;
    2718           0 :                      transport = spdk_nvmf_transport_get_next(transport)) {
    2719           0 :                         nvmf_transport_dump_opts(transport, w, false);
    2720           0 :                 }
    2721             :         }
    2722             : 
    2723           0 :         spdk_json_write_array_end(w);
    2724           0 :         spdk_jsonrpc_end_result(request, w);
    2725           0 :         free(req.trtype);
    2726           0 :         free(req.tgt_name);
    2727           0 : }
    2728           0 : SPDK_RPC_REGISTER("nvmf_get_transports", rpc_nvmf_get_transports, SPDK_RPC_RUNTIME)
    2729             : 
    2730             : struct rpc_nvmf_get_stats_ctx {
    2731             :         char *tgt_name;
    2732             :         struct spdk_nvmf_tgt *tgt;
    2733             :         struct spdk_jsonrpc_request *request;
    2734             :         struct spdk_json_write_ctx *w;
    2735             : };
    2736             : 
    2737             : static const struct spdk_json_object_decoder rpc_get_stats_decoders[] = {
    2738             :         {"tgt_name", offsetof(struct rpc_nvmf_get_stats_ctx, tgt_name), spdk_json_decode_string, true},
    2739             : };
    2740             : 
    2741             : static void
    2742           0 : free_get_stats_ctx(struct rpc_nvmf_get_stats_ctx *ctx)
    2743             : {
    2744           0 :         free(ctx->tgt_name);
    2745           0 :         free(ctx);
    2746           0 : }
    2747             : 
    2748             : static void
    2749           0 : rpc_nvmf_get_stats_done(struct spdk_io_channel_iter *i, int status)
    2750             : {
    2751           0 :         struct rpc_nvmf_get_stats_ctx *ctx = spdk_io_channel_iter_get_ctx(i);
    2752             : 
    2753           0 :         spdk_json_write_array_end(ctx->w);
    2754           0 :         spdk_json_write_object_end(ctx->w);
    2755           0 :         spdk_jsonrpc_end_result(ctx->request, ctx->w);
    2756           0 :         free_get_stats_ctx(ctx);
    2757           0 : }
    2758             : 
    2759             : static void
    2760           0 : _rpc_nvmf_get_stats(struct spdk_io_channel_iter *i)
    2761             : {
    2762           0 :         struct rpc_nvmf_get_stats_ctx *ctx = spdk_io_channel_iter_get_ctx(i);
    2763             :         struct spdk_io_channel *ch;
    2764             :         struct spdk_nvmf_poll_group *group;
    2765             : 
    2766           0 :         ch = spdk_get_io_channel(ctx->tgt);
    2767           0 :         group = spdk_io_channel_get_ctx(ch);
    2768             : 
    2769           0 :         spdk_nvmf_poll_group_dump_stat(group, ctx->w);
    2770             : 
    2771           0 :         spdk_put_io_channel(ch);
    2772           0 :         spdk_for_each_channel_continue(i, 0);
    2773           0 : }
    2774             : 
    2775             : 
    2776             : static void
    2777           0 : rpc_nvmf_get_stats(struct spdk_jsonrpc_request *request,
    2778             :                    const struct spdk_json_val *params)
    2779             : {
    2780             :         struct rpc_nvmf_get_stats_ctx *ctx;
    2781             : 
    2782           0 :         ctx = calloc(1, sizeof(*ctx));
    2783           0 :         if (!ctx) {
    2784           0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
    2785             :                                                  "Memory allocation error");
    2786           0 :                 return;
    2787             :         }
    2788           0 :         ctx->request = request;
    2789             : 
    2790           0 :         if (params) {
    2791           0 :                 if (spdk_json_decode_object(params, rpc_get_stats_decoders,
    2792             :                                             SPDK_COUNTOF(rpc_get_stats_decoders),
    2793           0 :                                             ctx)) {
    2794           0 :                         SPDK_ERRLOG("spdk_json_decode_object failed\n");
    2795           0 :                         spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, "Invalid parameters");
    2796           0 :                         free_get_stats_ctx(ctx);
    2797           0 :                         return;
    2798             :                 }
    2799           0 :         }
    2800             : 
    2801           0 :         ctx->tgt = spdk_nvmf_get_tgt(ctx->tgt_name);
    2802           0 :         if (!ctx->tgt) {
    2803           0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
    2804             :                                                  "Unable to find a target.");
    2805           0 :                 free_get_stats_ctx(ctx);
    2806           0 :                 return;
    2807             :         }
    2808             : 
    2809           0 :         ctx->w = spdk_jsonrpc_begin_result(ctx->request);
    2810           0 :         spdk_json_write_object_begin(ctx->w);
    2811           0 :         spdk_json_write_named_uint64(ctx->w, "tick_rate", spdk_get_ticks_hz());
    2812           0 :         spdk_json_write_named_array_begin(ctx->w, "poll_groups");
    2813             : 
    2814           0 :         spdk_for_each_channel(ctx->tgt,
    2815             :                               _rpc_nvmf_get_stats,
    2816           0 :                               ctx,
    2817             :                               rpc_nvmf_get_stats_done);
    2818           0 : }
    2819             : 
    2820           0 : SPDK_RPC_REGISTER("nvmf_get_stats", rpc_nvmf_get_stats, SPDK_RPC_RUNTIME)
    2821             : 
    2822             : static void
    2823           0 : dump_nvmf_ctrlr(struct spdk_json_write_ctx *w, struct spdk_nvmf_ctrlr *ctrlr)
    2824             : {
    2825             :         uint32_t count;
    2826             : 
    2827           0 :         spdk_json_write_object_begin(w);
    2828             : 
    2829           0 :         spdk_json_write_named_uint32(w, "cntlid", ctrlr->cntlid);
    2830           0 :         spdk_json_write_named_string(w, "hostnqn", ctrlr->hostnqn);
    2831           0 :         spdk_json_write_named_uuid(w, "hostid", &ctrlr->hostid);
    2832             : 
    2833           0 :         count = spdk_bit_array_count_set(ctrlr->qpair_mask);
    2834           0 :         spdk_json_write_named_uint32(w, "num_io_qpairs", count);
    2835             : 
    2836           0 :         spdk_json_write_object_end(w);
    2837           0 : }
    2838             : 
    2839             : static const char *
    2840           0 : nvmf_qpair_state_str(enum spdk_nvmf_qpair_state state)
    2841             : {
    2842           0 :         switch (state) {
    2843             :         case SPDK_NVMF_QPAIR_UNINITIALIZED:
    2844           0 :                 return "uninitialized";
    2845             :         case SPDK_NVMF_QPAIR_CONNECTING:
    2846           0 :                 return "connecting";
    2847             :         case SPDK_NVMF_QPAIR_ENABLED:
    2848           0 :                 return "enabled";
    2849             :         case SPDK_NVMF_QPAIR_DEACTIVATING:
    2850           0 :                 return "deactivating";
    2851             :         case SPDK_NVMF_QPAIR_ERROR:
    2852           0 :                 return "error";
    2853             :         default:
    2854           0 :                 return NULL;
    2855             :         }
    2856           0 : }
    2857             : 
    2858             : static void
    2859           0 : dump_nvmf_qpair(struct spdk_json_write_ctx *w, struct spdk_nvmf_qpair *qpair)
    2860             : {
    2861           0 :         struct spdk_nvme_transport_id trid = {};
    2862             : 
    2863           0 :         spdk_json_write_object_begin(w);
    2864             : 
    2865           0 :         spdk_json_write_named_uint32(w, "cntlid", qpair->ctrlr->cntlid);
    2866           0 :         spdk_json_write_named_uint32(w, "qid", qpair->qid);
    2867           0 :         spdk_json_write_named_string(w, "state", nvmf_qpair_state_str(qpair->state));
    2868           0 :         spdk_json_write_named_string(w, "thread", spdk_thread_get_name(spdk_get_thread()));
    2869           0 :         spdk_json_write_named_string(w, "hostnqn", qpair->ctrlr->hostnqn);
    2870             : 
    2871           0 :         if (spdk_nvmf_qpair_get_listen_trid(qpair, &trid) == 0) {
    2872           0 :                 spdk_json_write_named_object_begin(w, "listen_address");
    2873           0 :                 nvmf_transport_listen_dump_trid(&trid, w);
    2874           0 :                 spdk_json_write_object_end(w);
    2875           0 :                 if (qpair->transport->ops->listen_dump_opts) {
    2876           0 :                         qpair->transport->ops->listen_dump_opts(qpair->transport, &trid, w);
    2877           0 :                 }
    2878           0 :         }
    2879             : 
    2880           0 :         memset(&trid, 0, sizeof(trid));
    2881           0 :         if (spdk_nvmf_qpair_get_peer_trid(qpair, &trid) == 0) {
    2882           0 :                 spdk_json_write_named_object_begin(w, "peer_address");
    2883           0 :                 nvmf_transport_listen_dump_trid(&trid, w);
    2884           0 :                 spdk_json_write_object_end(w);
    2885           0 :         }
    2886             : 
    2887           0 :         nvmf_qpair_auth_dump(qpair, w);
    2888           0 :         spdk_json_write_object_end(w);
    2889           0 : }
    2890             : 
    2891             : static const char *
    2892           0 : nvme_ana_state_str(enum spdk_nvme_ana_state ana_state)
    2893             : {
    2894           0 :         switch (ana_state) {
    2895             :         case SPDK_NVME_ANA_OPTIMIZED_STATE:
    2896           0 :                 return "optimized";
    2897             :         case SPDK_NVME_ANA_NON_OPTIMIZED_STATE:
    2898           0 :                 return "non_optimized";
    2899             :         case SPDK_NVME_ANA_INACCESSIBLE_STATE:
    2900           0 :                 return "inaccessible";
    2901             :         case SPDK_NVME_ANA_PERSISTENT_LOSS_STATE:
    2902           0 :                 return "persistent_loss";
    2903             :         case SPDK_NVME_ANA_CHANGE_STATE:
    2904           0 :                 return "change";
    2905             :         default:
    2906           0 :                 return NULL;
    2907             :         }
    2908           0 : }
    2909             : 
    2910             : static void
    2911           0 : dump_nvmf_subsystem_listener(struct spdk_json_write_ctx *w,
    2912             :                              struct spdk_nvmf_subsystem_listener *listener)
    2913             : {
    2914           0 :         const struct spdk_nvme_transport_id *trid = listener->trid;
    2915             :         uint32_t i;
    2916             : 
    2917           0 :         spdk_json_write_object_begin(w);
    2918             : 
    2919           0 :         spdk_json_write_named_object_begin(w, "address");
    2920           0 :         nvmf_transport_listen_dump_trid(trid, w);
    2921           0 :         spdk_json_write_object_end(w);
    2922             : 
    2923           0 :         if (spdk_nvmf_subsystem_get_ana_reporting(listener->subsystem)) {
    2924           0 :                 spdk_json_write_named_array_begin(w, "ana_states");
    2925           0 :                 for (i = 0; i < listener->subsystem->max_nsid; i++) {
    2926           0 :                         spdk_json_write_object_begin(w);
    2927           0 :                         spdk_json_write_named_uint32(w, "ana_group", i + 1);
    2928           0 :                         spdk_json_write_named_string(w, "ana_state",
    2929           0 :                                                      nvme_ana_state_str(listener->ana_state[i]));
    2930           0 :                         spdk_json_write_object_end(w);
    2931           0 :                 }
    2932           0 :                 spdk_json_write_array_end(w);
    2933           0 :         }
    2934             : 
    2935           0 :         spdk_json_write_object_end(w);
    2936           0 : }
    2937             : 
    2938             : struct rpc_subsystem_query_ctx {
    2939             :         char *nqn;
    2940             :         char *tgt_name;
    2941             :         struct spdk_nvmf_subsystem *subsystem;
    2942             :         struct spdk_jsonrpc_request *request;
    2943             :         struct spdk_json_write_ctx *w;
    2944             : };
    2945             : 
    2946             : static const struct spdk_json_object_decoder rpc_subsystem_query_decoders[] = {
    2947             :         {"nqn", offsetof(struct rpc_subsystem_query_ctx, nqn), spdk_json_decode_string},
    2948             :         {"tgt_name", offsetof(struct rpc_subsystem_query_ctx, tgt_name), spdk_json_decode_string, true},
    2949             : };
    2950             : 
    2951             : static void
    2952           0 : free_rpc_subsystem_query_ctx(struct rpc_subsystem_query_ctx *ctx)
    2953             : {
    2954           0 :         free(ctx->nqn);
    2955           0 :         free(ctx->tgt_name);
    2956           0 :         free(ctx);
    2957           0 : }
    2958             : 
    2959             : static void
    2960           0 : rpc_nvmf_get_controllers_paused(struct spdk_nvmf_subsystem *subsystem,
    2961             :                                 void *cb_arg, int status)
    2962             : {
    2963           0 :         struct rpc_subsystem_query_ctx *ctx = cb_arg;
    2964             :         struct spdk_json_write_ctx *w;
    2965             :         struct spdk_nvmf_ctrlr *ctrlr;
    2966             : 
    2967           0 :         w = spdk_jsonrpc_begin_result(ctx->request);
    2968             : 
    2969           0 :         spdk_json_write_array_begin(w);
    2970           0 :         TAILQ_FOREACH(ctrlr, &ctx->subsystem->ctrlrs, link) {
    2971           0 :                 dump_nvmf_ctrlr(w, ctrlr);
    2972           0 :         }
    2973           0 :         spdk_json_write_array_end(w);
    2974             : 
    2975           0 :         spdk_jsonrpc_end_result(ctx->request, w);
    2976             : 
    2977           0 :         if (spdk_nvmf_subsystem_resume(ctx->subsystem, NULL, NULL)) {
    2978           0 :                 SPDK_ERRLOG("Resuming subsystem with NQN %s failed\n", ctx->nqn);
    2979             :                 /* FIXME: RPC should fail if resuming the subsystem failed. */
    2980           0 :         }
    2981             : 
    2982           0 :         free_rpc_subsystem_query_ctx(ctx);
    2983           0 : }
    2984             : 
    2985             : static void
    2986           0 : rpc_nvmf_get_qpairs_done(struct spdk_io_channel_iter *i, int status)
    2987             : {
    2988           0 :         struct rpc_subsystem_query_ctx *ctx = spdk_io_channel_iter_get_ctx(i);
    2989             : 
    2990           0 :         spdk_json_write_array_end(ctx->w);
    2991           0 :         spdk_jsonrpc_end_result(ctx->request, ctx->w);
    2992             : 
    2993           0 :         if (spdk_nvmf_subsystem_resume(ctx->subsystem, NULL, NULL)) {
    2994           0 :                 SPDK_ERRLOG("Resuming subsystem with NQN %s failed\n", ctx->nqn);
    2995             :                 /* FIXME: RPC should fail if resuming the subsystem failed. */
    2996           0 :         }
    2997             : 
    2998           0 :         free_rpc_subsystem_query_ctx(ctx);
    2999           0 : }
    3000             : 
    3001             : static void
    3002           0 : rpc_nvmf_get_qpairs(struct spdk_io_channel_iter *i)
    3003             : {
    3004           0 :         struct rpc_subsystem_query_ctx *ctx = spdk_io_channel_iter_get_ctx(i);
    3005             :         struct spdk_io_channel *ch;
    3006             :         struct spdk_nvmf_poll_group *group;
    3007             :         struct spdk_nvmf_qpair *qpair;
    3008             : 
    3009           0 :         ch = spdk_io_channel_iter_get_channel(i);
    3010           0 :         group = spdk_io_channel_get_ctx(ch);
    3011             : 
    3012           0 :         TAILQ_FOREACH(qpair, &group->qpairs, link) {
    3013           0 :                 if (qpair->ctrlr->subsys == ctx->subsystem) {
    3014           0 :                         dump_nvmf_qpair(ctx->w, qpair);
    3015           0 :                 }
    3016           0 :         }
    3017             : 
    3018           0 :         spdk_for_each_channel_continue(i, 0);
    3019           0 : }
    3020             : 
    3021             : static void
    3022           0 : rpc_nvmf_get_qpairs_paused(struct spdk_nvmf_subsystem *subsystem,
    3023             :                            void *cb_arg, int status)
    3024             : {
    3025           0 :         struct rpc_subsystem_query_ctx *ctx = cb_arg;
    3026             : 
    3027           0 :         ctx->w = spdk_jsonrpc_begin_result(ctx->request);
    3028             : 
    3029           0 :         spdk_json_write_array_begin(ctx->w);
    3030             : 
    3031           0 :         spdk_for_each_channel(ctx->subsystem->tgt,
    3032             :                               rpc_nvmf_get_qpairs,
    3033           0 :                               ctx,
    3034             :                               rpc_nvmf_get_qpairs_done);
    3035           0 : }
    3036             : 
    3037             : static void
    3038           0 : rpc_nvmf_get_listeners_paused(struct spdk_nvmf_subsystem *subsystem,
    3039             :                               void *cb_arg, int status)
    3040             : {
    3041           0 :         struct rpc_subsystem_query_ctx *ctx = cb_arg;
    3042             :         struct spdk_json_write_ctx *w;
    3043             :         struct spdk_nvmf_subsystem_listener *listener;
    3044             : 
    3045           0 :         w = spdk_jsonrpc_begin_result(ctx->request);
    3046             : 
    3047           0 :         spdk_json_write_array_begin(w);
    3048             : 
    3049           0 :         for (listener = spdk_nvmf_subsystem_get_first_listener(ctx->subsystem);
    3050           0 :              listener != NULL;
    3051           0 :              listener = spdk_nvmf_subsystem_get_next_listener(ctx->subsystem, listener)) {
    3052           0 :                 dump_nvmf_subsystem_listener(w, listener);
    3053           0 :         }
    3054           0 :         spdk_json_write_array_end(w);
    3055             : 
    3056           0 :         spdk_jsonrpc_end_result(ctx->request, w);
    3057             : 
    3058           0 :         if (spdk_nvmf_subsystem_resume(ctx->subsystem, NULL, NULL)) {
    3059           0 :                 SPDK_ERRLOG("Resuming subsystem with NQN %s failed\n", ctx->nqn);
    3060             :                 /* FIXME: RPC should fail if resuming the subsystem failed. */
    3061           0 :         }
    3062             : 
    3063           0 :         free_rpc_subsystem_query_ctx(ctx);
    3064           0 : }
    3065             : 
    3066             : static void
    3067           0 : _rpc_nvmf_subsystem_query(struct spdk_jsonrpc_request *request,
    3068             :                           const struct spdk_json_val *params,
    3069             :                           spdk_nvmf_subsystem_state_change_done cb_fn)
    3070             : {
    3071             :         struct rpc_subsystem_query_ctx *ctx;
    3072             :         struct spdk_nvmf_subsystem *subsystem;
    3073             :         struct spdk_nvmf_tgt *tgt;
    3074             : 
    3075           0 :         ctx = calloc(1, sizeof(*ctx));
    3076           0 :         if (!ctx) {
    3077           0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
    3078             :                                                  "Out of memory");
    3079           0 :                 return;
    3080             :         }
    3081             : 
    3082           0 :         ctx->request = request;
    3083             : 
    3084           0 :         if (spdk_json_decode_object(params, rpc_subsystem_query_decoders,
    3085             :                                     SPDK_COUNTOF(rpc_subsystem_query_decoders),
    3086           0 :                                     ctx)) {
    3087           0 :                 SPDK_ERRLOG("spdk_json_decode_object failed\n");
    3088           0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
    3089             :                                                  "Invalid parameters");
    3090           0 :                 free_rpc_subsystem_query_ctx(ctx);
    3091           0 :                 return;
    3092             :         }
    3093             : 
    3094           0 :         tgt = spdk_nvmf_get_tgt(ctx->tgt_name);
    3095           0 :         if (!tgt) {
    3096           0 :                 SPDK_ERRLOG("Unable to find a target object.\n");
    3097           0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
    3098             :                                                  "Unable to find a target");
    3099           0 :                 free_rpc_subsystem_query_ctx(ctx);
    3100           0 :                 return;
    3101             :         }
    3102             : 
    3103           0 :         subsystem = spdk_nvmf_tgt_find_subsystem(tgt, ctx->nqn);
    3104           0 :         if (!subsystem) {
    3105           0 :                 SPDK_ERRLOG("Unable to find subsystem with NQN %s\n", ctx->nqn);
    3106           0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
    3107             :                                                  "Invalid parameters");
    3108           0 :                 free_rpc_subsystem_query_ctx(ctx);
    3109           0 :                 return;
    3110             :         }
    3111             : 
    3112           0 :         ctx->subsystem = subsystem;
    3113             : 
    3114           0 :         if (spdk_nvmf_subsystem_pause(subsystem, 0, cb_fn, ctx)) {
    3115           0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
    3116             :                                                  "Internal error");
    3117           0 :                 free_rpc_subsystem_query_ctx(ctx);
    3118           0 :                 return;
    3119             :         }
    3120           0 : }
    3121             : 
    3122             : static void
    3123           0 : rpc_nvmf_subsystem_get_controllers(struct spdk_jsonrpc_request *request,
    3124             :                                    const struct spdk_json_val *params)
    3125             : {
    3126           0 :         _rpc_nvmf_subsystem_query(request, params, rpc_nvmf_get_controllers_paused);
    3127           0 : }
    3128           0 : SPDK_RPC_REGISTER("nvmf_subsystem_get_controllers", rpc_nvmf_subsystem_get_controllers,
    3129             :                   SPDK_RPC_RUNTIME);
    3130             : 
    3131             : static void
    3132           0 : rpc_nvmf_subsystem_get_qpairs(struct spdk_jsonrpc_request *request,
    3133             :                               const struct spdk_json_val *params)
    3134             : {
    3135           0 :         _rpc_nvmf_subsystem_query(request, params, rpc_nvmf_get_qpairs_paused);
    3136           0 : }
    3137           0 : SPDK_RPC_REGISTER("nvmf_subsystem_get_qpairs", rpc_nvmf_subsystem_get_qpairs, SPDK_RPC_RUNTIME);
    3138             : 
    3139             : static void
    3140           0 : rpc_nvmf_subsystem_get_listeners(struct spdk_jsonrpc_request *request,
    3141             :                                  const struct spdk_json_val *params)
    3142             : {
    3143           0 :         _rpc_nvmf_subsystem_query(request, params, rpc_nvmf_get_listeners_paused);
    3144           0 : }
    3145           0 : SPDK_RPC_REGISTER("nvmf_subsystem_get_listeners", rpc_nvmf_subsystem_get_listeners,
    3146             :                   SPDK_RPC_RUNTIME);
    3147             : 
    3148             : struct rpc_mdns_prr {
    3149             :         char *tgt_name;
    3150             : };
    3151             : 
    3152             : static const struct spdk_json_object_decoder rpc_mdns_prr_decoders[] = {
    3153             :         {"tgt_name", offsetof(struct rpc_mdns_prr, tgt_name), spdk_json_decode_string, true},
    3154             : };
    3155             : 
    3156             : static void
    3157           0 : rpc_nvmf_publish_mdns_prr(struct spdk_jsonrpc_request *request,
    3158             :                           const struct spdk_json_val *params)
    3159             : {
    3160             :         int rc;
    3161           0 :         struct rpc_mdns_prr req = { 0 };
    3162             :         struct spdk_nvmf_tgt *tgt;
    3163             : 
    3164           0 :         if (params) {
    3165           0 :                 if (spdk_json_decode_object(params, rpc_mdns_prr_decoders,
    3166             :                                             SPDK_COUNTOF(rpc_mdns_prr_decoders),
    3167             :                                             &req)) {
    3168           0 :                         SPDK_ERRLOG("spdk_json_decode_object failed\n");
    3169           0 :                         spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, "Invalid parameters");
    3170           0 :                         return;
    3171             :                 }
    3172           0 :         }
    3173             : 
    3174           0 :         tgt = spdk_nvmf_get_tgt(req.tgt_name);
    3175           0 :         if (!tgt) {
    3176           0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
    3177             :                                                  "Unable to find a target.");
    3178           0 :                 free(req.tgt_name);
    3179           0 :                 return;
    3180             :         }
    3181             : 
    3182           0 :         rc = nvmf_publish_mdns_prr(tgt);
    3183           0 :         if (rc) {
    3184           0 :                 spdk_jsonrpc_send_error_response(request, rc, spdk_strerror(-rc));
    3185           0 :                 free(req.tgt_name);
    3186           0 :                 return;
    3187             :         }
    3188             : 
    3189           0 :         spdk_jsonrpc_send_bool_response(request, true);
    3190           0 :         free(req.tgt_name);
    3191           0 : }
    3192           0 : SPDK_RPC_REGISTER("nvmf_publish_mdns_prr", rpc_nvmf_publish_mdns_prr, SPDK_RPC_RUNTIME);
    3193             : 
    3194             : static void
    3195           0 : rpc_nvmf_stop_mdns_prr(struct spdk_jsonrpc_request *request,
    3196             :                        const struct spdk_json_val *params)
    3197             : {
    3198           0 :         struct rpc_mdns_prr req = { 0 };
    3199             :         struct spdk_nvmf_tgt *tgt;
    3200             : 
    3201           0 :         if (params) {
    3202           0 :                 if (spdk_json_decode_object(params, rpc_mdns_prr_decoders,
    3203             :                                             SPDK_COUNTOF(rpc_mdns_prr_decoders),
    3204             :                                             &req)) {
    3205           0 :                         SPDK_ERRLOG("spdk_json_decode_object failed\n");
    3206           0 :                         spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, "Invalid parameters");
    3207           0 :                         return;
    3208             :                 }
    3209           0 :         }
    3210             : 
    3211           0 :         tgt = spdk_nvmf_get_tgt(req.tgt_name);
    3212           0 :         if (!tgt) {
    3213           0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
    3214             :                                                  "Unable to find a target.");
    3215           0 :                 free(req.tgt_name);
    3216           0 :                 return;
    3217             :         }
    3218             : 
    3219           0 :         nvmf_tgt_stop_mdns_prr(tgt);
    3220             : 
    3221           0 :         spdk_jsonrpc_send_bool_response(request, true);
    3222           0 :         free(req.tgt_name);
    3223           0 : }
    3224           0 : SPDK_RPC_REGISTER("nvmf_stop_mdns_prr", rpc_nvmf_stop_mdns_prr, SPDK_RPC_RUNTIME);

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