LCOV - code coverage report
Current view: top level - spdk/module/bdev/nvme - bdev_nvme_rpc.c (source / functions) Hit Total Coverage
Test: Combined Lines: 597 1454 41.1 %
Date: 2024-11-20 00:59:18 Functions: 77 113 68.1 %
Legend: Lines: hit not hit | Branches: + taken - not taken # not executed Branches: 393 3258 12.1 %

           Branch data     Line data    Source code
       1                 :            : /*   SPDX-License-Identifier: BSD-3-Clause
       2                 :            :  *   Copyright (C) 2016 Intel Corporation. All rights reserved.
       3                 :            :  *   Copyright (c) 2019-2021 Mellanox Technologies LTD. All rights reserved.
       4                 :            :  *   Copyright (c) 2022-2024 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
       5                 :            :  *   Copyright (c) 2022 Dell Inc, or its subsidiaries. All rights reserved.
       6                 :            :  */
       7                 :            : 
       8                 :            : #include "spdk/stdinc.h"
       9                 :            : 
      10                 :            : #include "bdev_nvme.h"
      11                 :            : 
      12                 :            : #include "spdk/config.h"
      13                 :            : 
      14                 :            : #include "spdk/string.h"
      15                 :            : #include "spdk/rpc.h"
      16                 :            : #include "spdk/util.h"
      17                 :            : #include "spdk/env.h"
      18                 :            : #include "spdk/nvme.h"
      19                 :            : #include "spdk/nvme_spec.h"
      20                 :            : 
      21                 :            : #include "spdk/log.h"
      22                 :            : #include "spdk/bdev_module.h"
      23                 :            : 
      24                 :            : static bool g_tls_log = false;
      25                 :            : 
      26                 :            : static int
      27                 :        381 : rpc_decode_action_on_timeout(const struct spdk_json_val *val, void *out)
      28                 :            : {
      29                 :        381 :         enum spdk_bdev_timeout_action *action = out;
      30                 :            : 
      31         [ +  + ]:        381 :         if (spdk_json_strequal(val, "none") == true) {
      32         [ +  - ]:        375 :                 *action = SPDK_BDEV_NVME_TIMEOUT_ACTION_NONE;
      33         [ +  - ]:         33 :         } else if (spdk_json_strequal(val, "abort") == true) {
      34         [ #  # ]:          6 :                 *action = SPDK_BDEV_NVME_TIMEOUT_ACTION_ABORT;
      35         [ #  # ]:          0 :         } else if (spdk_json_strequal(val, "reset") == true) {
      36         [ #  # ]:          0 :                 *action = SPDK_BDEV_NVME_TIMEOUT_ACTION_RESET;
      37                 :          0 :         } else {
      38                 :          0 :                 SPDK_NOTICELOG("Invalid parameter value: action_on_timeout\n");
      39                 :          0 :                 return -EINVAL;
      40                 :            :         }
      41                 :            : 
      42                 :        381 :         return 0;
      43                 :         27 : }
      44                 :            : 
      45                 :            : static int
      46                 :       1373 : rpc_decode_digest(const struct spdk_json_val *val, void *out)
      47                 :            : {
      48                 :       1373 :         uint32_t *flags = out;
      49                 :       1373 :         char *digest = NULL;
      50                 :            :         int rc;
      51                 :            : 
      52                 :       1373 :         rc = spdk_json_decode_string(val, &digest);
      53         [ -  + ]:       1373 :         if (rc != 0) {
      54                 :          0 :                 return rc;
      55                 :            :         }
      56                 :            : 
      57                 :       1373 :         rc = spdk_nvme_dhchap_get_digest_id(digest);
      58         [ +  + ]:       1373 :         if (rc >= 0) {
      59   [ +  +  +  - ]:       1373 :                 *flags |= SPDK_BIT(rc);
      60                 :       1373 :                 rc = 0;
      61                 :          3 :         }
      62                 :       1373 :         free(digest);
      63                 :            : 
      64                 :       1373 :         return rc;
      65                 :          3 : }
      66                 :            : 
      67                 :            : static int
      68                 :        855 : rpc_decode_digest_array(const struct spdk_json_val *val, void *out)
      69                 :            : {
      70                 :        855 :         uint32_t *flags = out;
      71                 :        126 :         size_t count;
      72                 :            : 
      73         [ +  - ]:        855 :         *flags = 0;
      74                 :            : 
      75                 :        855 :         return spdk_json_decode_array(val, rpc_decode_digest, out, 32, &count, 0);
      76                 :            : }
      77                 :            : 
      78                 :            : static int
      79                 :       2122 : rpc_decode_dhgroup(const struct spdk_json_val *val, void *out)
      80                 :            : {
      81                 :       2122 :         uint32_t *flags = out;
      82                 :       2122 :         char *dhgroup = NULL;
      83                 :            :         int rc;
      84                 :            : 
      85                 :       2122 :         rc = spdk_json_decode_string(val, &dhgroup);
      86         [ -  + ]:       2122 :         if (rc != 0) {
      87                 :          0 :                 return rc;
      88                 :            :         }
      89                 :            : 
      90                 :       2122 :         rc = spdk_nvme_dhchap_get_dhgroup_id(dhgroup);
      91         [ +  + ]:       2122 :         if (rc >= 0) {
      92   [ +  +  +  - ]:       2122 :                 *flags |= SPDK_BIT(rc);
      93                 :       2122 :                 rc = 0;
      94                 :          6 :         }
      95                 :       2122 :         free(dhgroup);
      96                 :            : 
      97                 :       2122 :         return rc;
      98                 :          6 : }
      99                 :            : 
     100                 :            : static int
     101                 :        851 : rpc_decode_dhgroup_array(const struct spdk_json_val *val, void *out)
     102                 :            : {
     103                 :        851 :         uint32_t *flags = out;
     104                 :        126 :         size_t count;
     105                 :            : 
     106         [ +  - ]:        851 :         *flags = 0;
     107                 :            : 
     108                 :        851 :         return spdk_json_decode_array(val, rpc_decode_dhgroup, out, 32, &count, 0);
     109                 :            : }
     110                 :            : 
     111                 :            : static const struct spdk_json_object_decoder rpc_bdev_nvme_options_decoders[] = {
     112                 :            :         {"action_on_timeout", offsetof(struct spdk_bdev_nvme_opts, action_on_timeout), rpc_decode_action_on_timeout, true},
     113                 :            :         {"keep_alive_timeout_ms", offsetof(struct spdk_bdev_nvme_opts, keep_alive_timeout_ms), spdk_json_decode_uint32, true},
     114                 :            :         {"timeout_us", offsetof(struct spdk_bdev_nvme_opts, timeout_us), spdk_json_decode_uint64, true},
     115                 :            :         {"timeout_admin_us", offsetof(struct spdk_bdev_nvme_opts, timeout_admin_us), spdk_json_decode_uint64, true},
     116                 :            :         {"arbitration_burst", offsetof(struct spdk_bdev_nvme_opts, arbitration_burst), spdk_json_decode_uint32, true},
     117                 :            :         {"low_priority_weight", offsetof(struct spdk_bdev_nvme_opts, low_priority_weight), spdk_json_decode_uint32, true},
     118                 :            :         {"medium_priority_weight", offsetof(struct spdk_bdev_nvme_opts, medium_priority_weight), spdk_json_decode_uint32, true},
     119                 :            :         {"high_priority_weight", offsetof(struct spdk_bdev_nvme_opts, high_priority_weight), spdk_json_decode_uint32, true},
     120                 :            :         {"io_queue_requests", offsetof(struct spdk_bdev_nvme_opts, io_queue_requests), spdk_json_decode_uint32, true},
     121                 :            :         {"nvme_adminq_poll_period_us", offsetof(struct spdk_bdev_nvme_opts, nvme_adminq_poll_period_us), spdk_json_decode_uint64, true},
     122                 :            :         {"nvme_ioq_poll_period_us", offsetof(struct spdk_bdev_nvme_opts, nvme_ioq_poll_period_us), spdk_json_decode_uint64, true},
     123                 :            :         {"delay_cmd_submit", offsetof(struct spdk_bdev_nvme_opts, delay_cmd_submit), spdk_json_decode_bool, true},
     124                 :            :         {"transport_retry_count", offsetof(struct spdk_bdev_nvme_opts, transport_retry_count), spdk_json_decode_uint32, true},
     125                 :            :         {"bdev_retry_count", offsetof(struct spdk_bdev_nvme_opts, bdev_retry_count), spdk_json_decode_int32, true},
     126                 :            :         {"ctrlr_loss_timeout_sec", offsetof(struct spdk_bdev_nvme_opts, ctrlr_loss_timeout_sec), spdk_json_decode_int32, true},
     127                 :            :         {"reconnect_delay_sec", offsetof(struct spdk_bdev_nvme_opts, reconnect_delay_sec), spdk_json_decode_uint32, true},
     128                 :            :         {"fast_io_fail_timeout_sec", offsetof(struct spdk_bdev_nvme_opts, fast_io_fail_timeout_sec), spdk_json_decode_uint32, true},
     129                 :            :         {"transport_ack_timeout", offsetof(struct spdk_bdev_nvme_opts, transport_ack_timeout), spdk_json_decode_uint8, true},
     130                 :            :         {"disable_auto_failback", offsetof(struct spdk_bdev_nvme_opts, disable_auto_failback), spdk_json_decode_bool, true},
     131                 :            :         {"generate_uuids", offsetof(struct spdk_bdev_nvme_opts, generate_uuids), spdk_json_decode_bool, true},
     132                 :            :         {"transport_tos", offsetof(struct spdk_bdev_nvme_opts, transport_tos), spdk_json_decode_uint8, true},
     133                 :            :         {"nvme_error_stat", offsetof(struct spdk_bdev_nvme_opts, nvme_error_stat), spdk_json_decode_bool, true},
     134                 :            :         {"io_path_stat", offsetof(struct spdk_bdev_nvme_opts, io_path_stat), spdk_json_decode_bool, true},
     135                 :            :         {"allow_accel_sequence", offsetof(struct spdk_bdev_nvme_opts, allow_accel_sequence), spdk_json_decode_bool, true},
     136                 :            :         {"rdma_srq_size", offsetof(struct spdk_bdev_nvme_opts, rdma_srq_size), spdk_json_decode_uint32, true},
     137                 :            :         {"rdma_max_cq_size", offsetof(struct spdk_bdev_nvme_opts, rdma_max_cq_size), spdk_json_decode_uint32, true},
     138                 :            :         {"rdma_cm_event_timeout_ms", offsetof(struct spdk_bdev_nvme_opts, rdma_cm_event_timeout_ms), spdk_json_decode_uint16, true},
     139                 :            :         {"dhchap_digests", offsetof(struct spdk_bdev_nvme_opts, dhchap_digests), rpc_decode_digest_array, true},
     140                 :            :         {"dhchap_dhgroups", offsetof(struct spdk_bdev_nvme_opts, dhchap_dhgroups), rpc_decode_dhgroup_array, true},
     141                 :            : };
     142                 :            : 
     143                 :            : static void
     144                 :       1022 : rpc_bdev_nvme_set_options(struct spdk_jsonrpc_request *request,
     145                 :            :                           const struct spdk_json_val *params)
     146                 :            : {
     147                 :        139 :         struct spdk_bdev_nvme_opts opts;
     148                 :            :         int rc;
     149                 :            : 
     150                 :       1022 :         spdk_bdev_nvme_get_opts(&opts, sizeof(opts));
     151   [ +  -  +  + ]:       1022 :         if (params && spdk_json_decode_object(params, rpc_bdev_nvme_options_decoders,
     152                 :            :                                               SPDK_COUNTOF(rpc_bdev_nvme_options_decoders),
     153                 :            :                                               &opts)) {
     154                 :          0 :                 SPDK_ERRLOG("spdk_json_decode_object failed\n");
     155                 :          0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
     156                 :            :                                                  "spdk_json_decode_object failed");
     157                 :          0 :                 return;
     158                 :            :         }
     159                 :            : 
     160                 :       1022 :         rc = spdk_bdev_nvme_set_opts(&opts);
     161         [ +  + ]:       1022 :         if (rc == -EPERM) {
     162                 :          0 :                 spdk_jsonrpc_send_error_response(request, -EPERM,
     163                 :            :                                                  "RPC not permitted with nvme controllers already attached");
     164         [ -  + ]:       1022 :         } else if (rc) {
     165         [ #  # ]:          0 :                 spdk_jsonrpc_send_error_response(request, rc, spdk_strerror(-rc));
     166                 :          0 :         } else {
     167                 :       1022 :                 spdk_jsonrpc_send_bool_response(request, true);
     168                 :            :         }
     169                 :            : 
     170                 :       1022 :         return;
     171                 :         27 : }
     172                 :       2134 : SPDK_RPC_REGISTER("bdev_nvme_set_options", rpc_bdev_nvme_set_options,
     173                 :            :                   SPDK_RPC_STARTUP | SPDK_RPC_RUNTIME)
     174                 :            : 
     175                 :            : struct rpc_bdev_nvme_hotplug {
     176                 :            :         bool enabled;
     177                 :            :         uint64_t period_us;
     178                 :            : };
     179                 :            : 
     180                 :            : static const struct spdk_json_object_decoder rpc_bdev_nvme_hotplug_decoders[] = {
     181                 :            :         {"enable", offsetof(struct rpc_bdev_nvme_hotplug, enabled), spdk_json_decode_bool, false},
     182                 :            :         {"period_us", offsetof(struct rpc_bdev_nvme_hotplug, period_us), spdk_json_decode_uint64, true},
     183                 :            : };
     184                 :            : 
     185                 :            : static void
     186                 :        301 : rpc_bdev_nvme_set_hotplug_done(void *ctx)
     187                 :            : {
     188                 :        301 :         struct spdk_jsonrpc_request *request = ctx;
     189                 :            : 
     190                 :        301 :         spdk_jsonrpc_send_bool_response(request, true);
     191                 :        301 : }
     192                 :            : 
     193                 :            : static void
     194                 :        301 : rpc_bdev_nvme_set_hotplug(struct spdk_jsonrpc_request *request,
     195                 :            :                           const struct spdk_json_val *params)
     196                 :            : {
     197                 :        301 :         struct rpc_bdev_nvme_hotplug req = {false, 0};
     198                 :            :         int rc;
     199                 :            : 
     200         [ -  + ]:        301 :         if (spdk_json_decode_object(params, rpc_bdev_nvme_hotplug_decoders,
     201                 :            :                                     SPDK_COUNTOF(rpc_bdev_nvme_hotplug_decoders), &req)) {
     202                 :          0 :                 SPDK_ERRLOG("spdk_json_decode_object failed\n");
     203                 :          0 :                 rc = -EINVAL;
     204                 :          0 :                 goto invalid;
     205                 :            :         }
     206                 :            : 
     207   [ +  +  +  - ]:        301 :         rc = bdev_nvme_set_hotplug(req.enabled, req.period_us, rpc_bdev_nvme_set_hotplug_done,
     208                 :         26 :                                    request);
     209         [ -  + ]:        301 :         if (rc) {
     210                 :          0 :                 goto invalid;
     211                 :            :         }
     212                 :            : 
     213                 :        301 :         return;
     214                 :          0 : invalid:
     215         [ #  # ]:          0 :         spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, spdk_strerror(-rc));
     216                 :         26 : }
     217                 :       2134 : SPDK_RPC_REGISTER("bdev_nvme_set_hotplug", rpc_bdev_nvme_set_hotplug, SPDK_RPC_RUNTIME)
     218                 :            : 
     219                 :            : enum bdev_nvme_multipath_mode {
     220                 :            :         BDEV_NVME_MP_MODE_FAILOVER,
     221                 :            :         BDEV_NVME_MP_MODE_MULTIPATH,
     222                 :            :         BDEV_NVME_MP_MODE_DISABLE,
     223                 :            : };
     224                 :            : 
     225                 :            : struct rpc_bdev_nvme_attach_controller {
     226                 :            :         char *name;
     227                 :            :         char *trtype;
     228                 :            :         char *adrfam;
     229                 :            :         char *traddr;
     230                 :            :         char *trsvcid;
     231                 :            :         char *priority;
     232                 :            :         char *subnqn;
     233                 :            :         char *hostnqn;
     234                 :            :         char *hostaddr;
     235                 :            :         char *hostsvcid;
     236                 :            :         char *psk;
     237                 :            :         char *dhchap_key;
     238                 :            :         char *dhchap_ctrlr_key;
     239                 :            :         enum bdev_nvme_multipath_mode multipath;
     240                 :            :         struct spdk_bdev_nvme_ctrlr_opts bdev_opts;
     241                 :            :         struct spdk_nvme_ctrlr_opts drv_opts;
     242                 :            :         uint32_t max_bdevs;
     243                 :            : };
     244                 :            : 
     245                 :            : static void
     246                 :       1539 : free_rpc_bdev_nvme_attach_controller(struct rpc_bdev_nvme_attach_controller *req)
     247                 :            : {
     248   [ +  -  +  - ]:       1539 :         free(req->name);
     249   [ +  -  +  - ]:       1539 :         free(req->trtype);
     250   [ +  -  +  - ]:       1539 :         free(req->adrfam);
     251   [ +  -  +  - ]:       1539 :         free(req->traddr);
     252   [ +  -  +  - ]:       1539 :         free(req->trsvcid);
     253   [ +  -  +  - ]:       1539 :         free(req->priority);
     254   [ +  -  +  - ]:       1539 :         free(req->subnqn);
     255   [ +  -  +  - ]:       1539 :         free(req->hostnqn);
     256   [ +  -  +  - ]:       1539 :         free(req->hostaddr);
     257   [ +  -  +  - ]:       1539 :         free(req->hostsvcid);
     258   [ +  -  +  - ]:       1539 :         free(req->psk);
     259   [ +  -  +  - ]:       1539 :         free(req->dhchap_key);
     260   [ +  -  +  - ]:       1539 :         free(req->dhchap_ctrlr_key);
     261                 :       1539 : }
     262                 :            : 
     263                 :            : static int
     264                 :       1115 : bdev_nvme_decode_reftag(const struct spdk_json_val *val, void *out)
     265                 :            : {
     266                 :       1115 :         uint32_t *flag = out;
     267                 :        163 :         bool reftag;
     268                 :            :         int rc;
     269                 :            : 
     270                 :       1115 :         rc = spdk_json_decode_bool(val, &reftag);
     271   [ +  -  +  +  :       1115 :         if (rc == 0 && reftag == true) {
                   +  + ]
     272   [ #  #  #  # ]:          0 :                 *flag |= SPDK_NVME_IO_FLAGS_PRCHK_REFTAG;
     273                 :          0 :         }
     274                 :            : 
     275                 :       1115 :         return rc;
     276                 :            : }
     277                 :            : 
     278                 :            : static int
     279                 :       1115 : bdev_nvme_decode_guard(const struct spdk_json_val *val, void *out)
     280                 :            : {
     281                 :       1115 :         uint32_t *flag = out;
     282                 :        163 :         bool guard;
     283                 :            :         int rc;
     284                 :            : 
     285                 :       1115 :         rc = spdk_json_decode_bool(val, &guard);
     286   [ +  -  +  +  :       1115 :         if (rc == 0 && guard == true) {
                   +  + ]
     287   [ #  #  #  # ]:          0 :                 *flag |= SPDK_NVME_IO_FLAGS_PRCHK_GUARD;
     288                 :          0 :         }
     289                 :            : 
     290                 :       1115 :         return rc;
     291                 :            : }
     292                 :            : 
     293                 :            : static int
     294                 :        248 : bdev_nvme_decode_multipath(const struct spdk_json_val *val, void *out)
     295                 :            : {
     296                 :        248 :         enum bdev_nvme_multipath_mode *multipath = out;
     297                 :            : 
     298         [ +  + ]:        248 :         if (spdk_json_strequal(val, "failover") == true) {
     299         [ #  # ]:         26 :                 *multipath = BDEV_NVME_MP_MODE_FAILOVER;
     300         [ +  + ]:        222 :         } else if (spdk_json_strequal(val, "multipath") == true) {
     301         [ #  # ]:        220 :                 *multipath = BDEV_NVME_MP_MODE_MULTIPATH;
     302         [ +  - ]:          2 :         } else if (spdk_json_strequal(val, "disable") == true) {
     303         [ #  # ]:          2 :                 *multipath = BDEV_NVME_MP_MODE_DISABLE;
     304                 :          0 :         } else {
     305                 :          0 :                 SPDK_NOTICELOG("Invalid parameter value: multipath\n");
     306                 :          0 :                 return -EINVAL;
     307                 :            :         }
     308                 :            : 
     309                 :        248 :         return 0;
     310                 :          0 : }
     311                 :            : 
     312                 :            : 
     313                 :            : static const struct spdk_json_object_decoder rpc_bdev_nvme_attach_controller_decoders[] = {
     314                 :            :         {"name", offsetof(struct rpc_bdev_nvme_attach_controller, name), spdk_json_decode_string},
     315                 :            :         {"trtype", offsetof(struct rpc_bdev_nvme_attach_controller, trtype), spdk_json_decode_string},
     316                 :            :         {"traddr", offsetof(struct rpc_bdev_nvme_attach_controller, traddr), spdk_json_decode_string},
     317                 :            : 
     318                 :            :         {"adrfam", offsetof(struct rpc_bdev_nvme_attach_controller, adrfam), spdk_json_decode_string, true},
     319                 :            :         {"trsvcid", offsetof(struct rpc_bdev_nvme_attach_controller, trsvcid), spdk_json_decode_string, true},
     320                 :            :         {"priority", offsetof(struct rpc_bdev_nvme_attach_controller, priority), spdk_json_decode_string, true},
     321                 :            :         {"subnqn", offsetof(struct rpc_bdev_nvme_attach_controller, subnqn), spdk_json_decode_string, true},
     322                 :            :         {"hostnqn", offsetof(struct rpc_bdev_nvme_attach_controller, hostnqn), spdk_json_decode_string, true},
     323                 :            :         {"hostaddr", offsetof(struct rpc_bdev_nvme_attach_controller, hostaddr), spdk_json_decode_string, true},
     324                 :            :         {"hostsvcid", offsetof(struct rpc_bdev_nvme_attach_controller, hostsvcid), spdk_json_decode_string, true},
     325                 :            : 
     326                 :            :         {"prchk_reftag", offsetof(struct rpc_bdev_nvme_attach_controller, bdev_opts.prchk_flags), bdev_nvme_decode_reftag, true},
     327                 :            :         {"prchk_guard", offsetof(struct rpc_bdev_nvme_attach_controller, bdev_opts.prchk_flags), bdev_nvme_decode_guard, true},
     328                 :            :         {"hdgst", offsetof(struct rpc_bdev_nvme_attach_controller, drv_opts.header_digest), spdk_json_decode_bool, true},
     329                 :            :         {"ddgst", offsetof(struct rpc_bdev_nvme_attach_controller, drv_opts.data_digest), spdk_json_decode_bool, true},
     330                 :            :         {"fabrics_connect_timeout_us", offsetof(struct rpc_bdev_nvme_attach_controller, drv_opts.fabrics_connect_timeout_us), spdk_json_decode_uint64, true},
     331                 :            :         {"multipath", offsetof(struct rpc_bdev_nvme_attach_controller, multipath), bdev_nvme_decode_multipath, true},
     332                 :            :         {"num_io_queues", offsetof(struct rpc_bdev_nvme_attach_controller, drv_opts.num_io_queues), spdk_json_decode_uint32, true},
     333                 :            :         {"ctrlr_loss_timeout_sec", offsetof(struct rpc_bdev_nvme_attach_controller, bdev_opts.ctrlr_loss_timeout_sec), spdk_json_decode_int32, true},
     334                 :            :         {"reconnect_delay_sec", offsetof(struct rpc_bdev_nvme_attach_controller, bdev_opts.reconnect_delay_sec), spdk_json_decode_uint32, true},
     335                 :            :         {"fast_io_fail_timeout_sec", offsetof(struct rpc_bdev_nvme_attach_controller, bdev_opts.fast_io_fail_timeout_sec), spdk_json_decode_uint32, true},
     336                 :            :         {"psk", offsetof(struct rpc_bdev_nvme_attach_controller, psk), spdk_json_decode_string, true},
     337                 :            :         {"max_bdevs", offsetof(struct rpc_bdev_nvme_attach_controller, max_bdevs), spdk_json_decode_uint32, true},
     338                 :            :         {"dhchap_key", offsetof(struct rpc_bdev_nvme_attach_controller, dhchap_key), spdk_json_decode_string, true},
     339                 :            :         {"dhchap_ctrlr_key", offsetof(struct rpc_bdev_nvme_attach_controller, dhchap_ctrlr_key), spdk_json_decode_string, true},
     340                 :            :         {"allow_unrecognized_csi", offsetof(struct rpc_bdev_nvme_attach_controller, bdev_opts.allow_unrecognized_csi), spdk_json_decode_bool, true},
     341                 :            : };
     342                 :            : 
     343                 :            : #define DEFAULT_MAX_BDEVS_PER_RPC 128
     344                 :            : 
     345                 :            : struct rpc_bdev_nvme_attach_controller_ctx {
     346                 :            :         struct rpc_bdev_nvme_attach_controller req;
     347                 :            :         size_t bdev_count;
     348                 :            :         const char **names;
     349                 :            :         struct spdk_jsonrpc_request *request;
     350                 :            : };
     351                 :            : 
     352                 :            : static void
     353                 :       1539 : free_rpc_bdev_nvme_attach_controller_ctx(struct rpc_bdev_nvme_attach_controller_ctx *ctx)
     354                 :            : {
     355         [ +  - ]:       1539 :         free_rpc_bdev_nvme_attach_controller(&ctx->req);
     356   [ +  -  +  - ]:       1539 :         free(ctx->names);
     357                 :       1539 :         free(ctx);
     358                 :       1539 : }
     359                 :            : 
     360                 :            : static void
     361                 :       1467 : rpc_bdev_nvme_attach_controller_examined(void *cb_ctx)
     362                 :            : {
     363                 :       1467 :         struct rpc_bdev_nvme_attach_controller_ctx *ctx = cb_ctx;
     364   [ +  -  +  - ]:       1467 :         struct spdk_jsonrpc_request *request = ctx->request;
     365                 :            :         struct spdk_json_write_ctx *w;
     366                 :            :         size_t i;
     367                 :            : 
     368                 :       1467 :         w = spdk_jsonrpc_begin_result(request);
     369                 :       1467 :         spdk_json_write_array_begin(w);
     370   [ +  +  +  -  :       2723 :         for (i = 0; i < ctx->bdev_count; i++) {
                   +  + ]
     371   [ +  -  +  -  :       1256 :                 spdk_json_write_string(w, ctx->names[i]);
             +  -  +  - ]
     372                 :          1 :         }
     373                 :       1467 :         spdk_json_write_array_end(w);
     374                 :       1467 :         spdk_jsonrpc_end_result(request, w);
     375                 :            : 
     376                 :       1467 :         free_rpc_bdev_nvme_attach_controller_ctx(ctx);
     377                 :       1467 : }
     378                 :            : 
     379                 :            : static void
     380                 :       1522 : rpc_bdev_nvme_attach_controller_done(void *cb_ctx, size_t bdev_count, int rc)
     381                 :            : {
     382                 :       1522 :         struct rpc_bdev_nvme_attach_controller_ctx *ctx = cb_ctx;
     383   [ +  -  +  - ]:       1522 :         struct spdk_jsonrpc_request *request = ctx->request;
     384                 :            : 
     385         [ +  + ]:       1522 :         if (rc < 0) {
     386         [ #  # ]:         55 :                 spdk_jsonrpc_send_error_response(request, rc, spdk_strerror(-rc));
     387                 :         55 :                 free_rpc_bdev_nvme_attach_controller_ctx(ctx);
     388                 :         55 :                 return;
     389                 :            :         }
     390                 :            : 
     391   [ +  -  +  - ]:       1467 :         ctx->bdev_count = bdev_count;
     392                 :       1467 :         spdk_bdev_wait_for_examine(rpc_bdev_nvme_attach_controller_examined, ctx);
     393                 :          1 : }
     394                 :            : 
     395                 :            : static void
     396                 :       1539 : rpc_bdev_nvme_attach_controller(struct spdk_jsonrpc_request *request,
     397                 :            :                                 const struct spdk_json_val *params)
     398                 :            : {
     399                 :            :         struct rpc_bdev_nvme_attach_controller_ctx *ctx;
     400                 :       1539 :         struct spdk_nvme_transport_id trid = {};
     401                 :            :         const struct spdk_nvme_ctrlr_opts *drv_opts;
     402                 :            :         const struct spdk_nvme_transport_id *ctrlr_trid;
     403                 :       1539 :         struct nvme_ctrlr *ctrlr = NULL;
     404                 :            :         size_t len, maxlen;
     405                 :            :         int rc;
     406                 :            : 
     407                 :       1539 :         ctx = calloc(1, sizeof(*ctx));
     408         [ -  + ]:       1539 :         if (!ctx) {
     409                 :          0 :                 spdk_jsonrpc_send_error_response(request, -ENOMEM, spdk_strerror(ENOMEM));
     410                 :       1227 :                 return;
     411                 :            :         }
     412                 :            : 
     413   [ -  +  -  + ]:       1539 :         spdk_nvme_ctrlr_get_default_ctrlr_opts(&ctx->req.drv_opts, sizeof(ctx->req.drv_opts));
     414   [ -  +  -  + ]:       1539 :         spdk_bdev_nvme_get_default_ctrlr_opts(&ctx->req.bdev_opts);
     415   [ -  +  -  +  :       1539 :         ctx->req.multipath = BDEV_NVME_MP_MODE_MULTIPATH;
                   -  + ]
     416   [ -  +  -  +  :       1539 :         ctx->req.max_bdevs = DEFAULT_MAX_BDEVS_PER_RPC;
                   -  + ]
     417                 :            : 
     418         [ -  + ]:       1539 :         if (spdk_json_decode_object(params, rpc_bdev_nvme_attach_controller_decoders,
     419                 :            :                                     SPDK_COUNTOF(rpc_bdev_nvme_attach_controller_decoders),
     420         [ -  + ]:       1539 :                                     &ctx->req)) {
     421                 :          0 :                 SPDK_ERRLOG("spdk_json_decode_object failed\n");
     422                 :          0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
     423                 :            :                                                  "spdk_json_decode_object failed");
     424                 :          0 :                 goto cleanup;
     425                 :            :         }
     426                 :            : 
     427   [ -  +  -  +  :       1539 :         if (ctx->req.max_bdevs == 0) {
             -  +  -  + ]
     428                 :          0 :                 spdk_jsonrpc_send_error_response(request, -EINVAL, "max_bdevs cannot be zero");
     429                 :          0 :                 goto cleanup;
     430                 :            :         }
     431                 :            : 
     432   [ -  +  -  +  :       1539 :         ctx->names = calloc(ctx->req.max_bdevs, sizeof(char *));
          -  +  -  +  -  
                      + ]
     433   [ -  +  -  +  :       1539 :         if (ctx->names == NULL) {
                   -  + ]
     434                 :          0 :                 spdk_jsonrpc_send_error_response(request, -ENOMEM, spdk_strerror(ENOMEM));
     435                 :          0 :                 goto cleanup;
     436                 :            :         }
     437                 :            : 
     438                 :            :         /* Parse trstring */
     439   [ -  +  -  +  :       1539 :         rc = spdk_nvme_transport_id_populate_trstring(&trid, ctx->req.trtype);
                   -  + ]
     440         [ -  + ]:       1539 :         if (rc < 0) {
     441   [ #  #  #  #  :          0 :                 SPDK_ERRLOG("Failed to parse trtype: %s\n", ctx->req.trtype);
                   #  # ]
     442                 :          0 :                 spdk_jsonrpc_send_error_response_fmt(request, -EINVAL, "Failed to parse trtype: %s",
     443   [ #  #  #  #  :          0 :                                                      ctx->req.trtype);
                   #  # ]
     444                 :          0 :                 goto cleanup;
     445                 :            :         }
     446                 :            : 
     447                 :            :         /* Parse trtype */
     448   [ -  +  -  +  :       1539 :         rc = spdk_nvme_transport_id_parse_trtype(&trid.trtype, ctx->req.trtype);
                   -  + ]
     449   [ +  +  #  # ]:       1539 :         assert(rc == 0);
     450                 :            : 
     451                 :            :         /* Parse traddr */
     452                 :       1539 :         maxlen = sizeof(trid.traddr);
     453   [ -  +  -  +  :       1539 :         len = strnlen(ctx->req.traddr, maxlen);
             -  +  -  + ]
     454         [ -  + ]:       1539 :         if (len == maxlen) {
     455                 :          0 :                 spdk_jsonrpc_send_error_response_fmt(request, -EINVAL, "traddr too long: %s",
     456   [ #  #  #  #  :          0 :                                                      ctx->req.traddr);
                   #  # ]
     457                 :          0 :                 goto cleanup;
     458                 :            :         }
     459   [ -  +  -  +  :       1539 :         memcpy(trid.traddr, ctx->req.traddr, len + 1);
          -  +  -  +  -  
                      + ]
     460                 :            : 
     461                 :            :         /* Parse adrfam */
     462   [ +  +  -  +  :       1539 :         if (ctx->req.adrfam) {
             -  +  +  - ]
     463   [ #  #  #  #  :       1025 :                 rc = spdk_nvme_transport_id_parse_adrfam(&trid.adrfam, ctx->req.adrfam);
                   #  # ]
     464         [ -  + ]:       1025 :                 if (rc < 0) {
     465   [ #  #  #  #  :          0 :                         SPDK_ERRLOG("Failed to parse adrfam: %s\n", ctx->req.adrfam);
                   #  # ]
     466                 :          0 :                         spdk_jsonrpc_send_error_response_fmt(request, -EINVAL, "Failed to parse adrfam: %s",
     467   [ #  #  #  #  :          0 :                                                              ctx->req.adrfam);
                   #  # ]
     468                 :          0 :                         goto cleanup;
     469                 :            :                 }
     470                 :          0 :         }
     471                 :            : 
     472                 :            :         /* Parse trsvcid */
     473   [ +  +  -  +  :       1539 :         if (ctx->req.trsvcid) {
             -  +  +  - ]
     474                 :       1025 :                 maxlen = sizeof(trid.trsvcid);
     475   [ -  +  #  #  :       1025 :                 len = strnlen(ctx->req.trsvcid, maxlen);
             #  #  #  # ]
     476         [ -  + ]:       1025 :                 if (len == maxlen) {
     477                 :          0 :                         spdk_jsonrpc_send_error_response_fmt(request, -EINVAL, "trsvcid too long: %s",
     478   [ #  #  #  #  :          0 :                                                              ctx->req.trsvcid);
                   #  # ]
     479                 :          0 :                         goto cleanup;
     480                 :            :                 }
     481   [ -  +  #  #  :       1025 :                 memcpy(trid.trsvcid, ctx->req.trsvcid, len + 1);
          #  #  #  #  #  
                      # ]
     482                 :          0 :         }
     483                 :            : 
     484                 :            :         /* Parse priority for the NVMe-oF transport connection */
     485   [ +  +  +  -  :       1539 :         if (ctx->req.priority) {
             +  -  -  + ]
     486   [ #  #  #  #  :          0 :                 trid.priority = spdk_strtol(ctx->req.priority, 10);
             #  #  #  # ]
     487                 :          0 :         }
     488                 :            : 
     489                 :            :         /* Parse subnqn */
     490   [ +  +  +  -  :       1539 :         if (ctx->req.subnqn) {
             +  -  +  - ]
     491                 :       1025 :                 maxlen = sizeof(trid.subnqn);
     492   [ -  +  #  #  :       1025 :                 len = strnlen(ctx->req.subnqn, maxlen);
             #  #  #  # ]
     493         [ -  + ]:       1025 :                 if (len == maxlen) {
     494                 :          0 :                         spdk_jsonrpc_send_error_response_fmt(request, -EINVAL, "subnqn too long: %s",
     495   [ #  #  #  #  :          0 :                                                              ctx->req.subnqn);
                   #  # ]
     496                 :          0 :                         goto cleanup;
     497                 :            :                 }
     498   [ -  +  #  #  :       1025 :                 memcpy(trid.subnqn, ctx->req.subnqn, len + 1);
          #  #  #  #  #  
                      # ]
     499                 :          0 :         }
     500                 :            : 
     501   [ +  +  +  -  :       1539 :         if (ctx->req.hostnqn) {
             +  -  +  - ]
     502                 :       1094 :                 maxlen = sizeof(ctx->req.drv_opts.hostnqn);
     503   [ -  +  #  #  :       1094 :                 len = strnlen(ctx->req.hostnqn, maxlen);
             #  #  #  # ]
     504         [ -  + ]:       1094 :                 if (len == maxlen) {
     505                 :          0 :                         spdk_jsonrpc_send_error_response_fmt(request, -EINVAL, "hostnqn too long: %s",
     506   [ #  #  #  #  :          0 :                                                              ctx->req.hostnqn);
                   #  # ]
     507                 :          0 :                         goto cleanup;
     508                 :            :                 }
     509   [ -  +  -  +  :       1094 :                 memcpy(ctx->req.drv_opts.hostnqn, ctx->req.hostnqn, len + 1);
          #  #  #  #  #  
          #  #  #  #  #  
                   #  # ]
     510                 :          0 :         }
     511                 :            : 
     512   [ +  +  -  +  :       1539 :         if (ctx->req.psk) {
             -  +  -  + ]
     513   [ -  +  +  + ]:         66 :                 if (!g_tls_log) {
     514                 :         51 :                         SPDK_NOTICELOG("TLS support is considered experimental\n");
     515                 :         51 :                         g_tls_log = true;
     516                 :          0 :                 }
     517                 :          0 :         }
     518                 :            : 
     519   [ +  +  -  +  :       1539 :         if (ctx->req.hostaddr) {
             -  +  +  - ]
     520                 :         18 :                 maxlen = sizeof(ctx->req.drv_opts.src_addr);
     521   [ -  +  #  #  :         18 :                 len = strnlen(ctx->req.hostaddr, maxlen);
             #  #  #  # ]
     522         [ -  + ]:         18 :                 if (len == maxlen) {
     523                 :          0 :                         spdk_jsonrpc_send_error_response_fmt(request, -EINVAL, "hostaddr too long: %s",
     524   [ #  #  #  #  :          0 :                                                              ctx->req.hostaddr);
                   #  # ]
     525                 :          0 :                         goto cleanup;
     526                 :            :                 }
     527   [ #  #  #  #  :         18 :                 snprintf(ctx->req.drv_opts.src_addr, maxlen, "%s", ctx->req.hostaddr);
          #  #  #  #  #  
                #  #  # ]
     528                 :          0 :         }
     529                 :            : 
     530   [ -  +  -  +  :       1539 :         if (ctx->req.hostsvcid) {
             -  +  +  - ]
     531                 :          0 :                 maxlen = sizeof(ctx->req.drv_opts.src_svcid);
     532   [ #  #  #  #  :          0 :                 len = strnlen(ctx->req.hostsvcid, maxlen);
             #  #  #  # ]
     533         [ #  # ]:          0 :                 if (len == maxlen) {
     534                 :          0 :                         spdk_jsonrpc_send_error_response_fmt(request, -EINVAL, "hostsvcid too long: %s",
     535   [ #  #  #  #  :          0 :                                                              ctx->req.hostsvcid);
                   #  # ]
     536                 :          0 :                         goto cleanup;
     537                 :            :                 }
     538   [ #  #  #  #  :          0 :                 snprintf(ctx->req.drv_opts.src_svcid, maxlen, "%s", ctx->req.hostsvcid);
          #  #  #  #  #  
                #  #  # ]
     539                 :          0 :         }
     540                 :            : 
     541   [ +  -  +  -  :       1539 :         ctrlr = nvme_ctrlr_get_by_name(ctx->req.name);
                   +  - ]
     542                 :            : 
     543         [ +  + ]:       1539 :         if (ctrlr) {
     544                 :            :                 /* This controller already exists. Check what the user wants to do. */
     545   [ +  +  #  #  :         32 :                 if (ctx->req.multipath == BDEV_NVME_MP_MODE_DISABLE) {
             #  #  #  # ]
     546                 :            :                         /* The user does not want to do any form of multipathing. */
     547                 :          2 :                         spdk_jsonrpc_send_error_response_fmt(request, -EALREADY,
     548                 :            :                                                              "A controller named %s already exists and multipath is disabled",
     549   [ #  #  #  #  :          0 :                                                              ctx->req.name);
                   #  # ]
     550                 :          2 :                         goto cleanup;
     551                 :            :                 }
     552                 :            : 
     553   [ +  +  -  +  :         30 :                 assert(ctx->req.multipath == BDEV_NVME_MP_MODE_FAILOVER ||
          #  #  #  #  #  
          #  #  #  #  #  
             #  #  #  # ]
     554                 :            :                        ctx->req.multipath == BDEV_NVME_MP_MODE_MULTIPATH);
     555                 :            : 
     556                 :            :                 /* The user wants to add this as a failover path or add this to create multipath. */
     557   [ #  #  #  # ]:         30 :                 drv_opts = spdk_nvme_ctrlr_get_opts(ctrlr->ctrlr);
     558   [ #  #  #  # ]:         30 :                 ctrlr_trid = spdk_nvme_ctrlr_get_transport_id(ctrlr->ctrlr);
     559                 :            : 
     560   [ -  +  +  -  :         30 :                 if (strncmp(trid.traddr, ctrlr_trid->traddr, sizeof(trid.traddr)) == 0 &&
          #  #  #  #  #  
                      # ]
     561   [ -  +  +  +  :         30 :                     strncmp(trid.trsvcid, ctrlr_trid->trsvcid, sizeof(trid.trsvcid)) == 0 &&
             #  #  #  # ]
     562   [ -  +  -  +  :          6 :                     strncmp(ctx->req.drv_opts.src_addr, drv_opts->src_addr, sizeof(drv_opts->src_addr)) == 0 &&
          +  -  #  #  #  
             #  #  #  #  
                      # ]
     563   [ -  +  -  +  :          6 :                     strncmp(ctx->req.drv_opts.src_svcid, drv_opts->src_svcid, sizeof(drv_opts->src_svcid)) == 0) {
          +  -  #  #  #  
                #  #  # ]
     564                 :            :                         /* Exactly same network path can't be added a second time */
     565                 :          6 :                         spdk_jsonrpc_send_error_response_fmt(request, -EALREADY,
     566                 :            :                                                              "A controller named %s already exists with the specified network path",
     567   [ #  #  #  #  :          0 :                                                              ctx->req.name);
                   #  # ]
     568                 :          6 :                         goto cleanup;
     569                 :            :                 }
     570                 :            : 
     571   [ -  +  #  #  :         24 :                 if (strncmp(trid.subnqn,
             #  #  #  # ]
     572         [ -  + ]:         24 :                             ctrlr_trid->subnqn,
     573                 :          0 :                             SPDK_NVMF_NQN_MAX_LEN) != 0) {
     574                 :            :                         /* Different SUBNQN is not allowed when specifying the same controller name. */
     575                 :          0 :                         spdk_jsonrpc_send_error_response_fmt(request, -EINVAL,
     576                 :            :                                                              "A controller named %s already exists, but uses a different subnqn (%s)",
     577   [ #  #  #  #  :          0 :                                                              ctx->req.name, ctrlr_trid->subnqn);
             #  #  #  # ]
     578                 :          0 :                         goto cleanup;
     579                 :            :                 }
     580                 :            : 
     581   [ -  +  -  +  :         24 :                 if (strncmp(ctx->req.drv_opts.hostnqn, drv_opts->hostnqn, SPDK_NVMF_NQN_MAX_LEN) != 0) {
          -  +  #  #  #  
             #  #  #  #  
                      # ]
     582                 :            :                         /* Different HOSTNQN is not allowed when specifying the same controller name. */
     583                 :          0 :                         spdk_jsonrpc_send_error_response_fmt(request, -EINVAL,
     584                 :            :                                                              "A controller named %s already exists, but uses a different hostnqn (%s)",
     585   [ #  #  #  #  :          0 :                                                              ctx->req.name, drv_opts->hostnqn);
             #  #  #  # ]
     586                 :          0 :                         goto cleanup;
     587                 :            :                 }
     588                 :            : 
     589   [ -  +  #  #  :         24 :                 if (ctx->req.bdev_opts.prchk_flags) {
          #  #  #  #  #  
                      # ]
     590                 :          0 :                         spdk_jsonrpc_send_error_response_fmt(request, -EINVAL,
     591                 :            :                                                              "A controller named %s already exists. To add a path, do not specify PI options.",
     592   [ #  #  #  #  :          0 :                                                              ctx->req.name);
                   #  # ]
     593                 :          0 :                         goto cleanup;
     594                 :            :                 }
     595                 :            : 
     596   [ #  #  #  #  :         24 :                 ctx->req.bdev_opts.prchk_flags = ctrlr->opts.prchk_flags;
          #  #  #  #  #  
             #  #  #  #  
                      # ]
     597                 :          0 :         }
     598                 :            : 
     599   [ +  +  -  +  :       1531 :         if (ctx->req.multipath != BDEV_NVME_MP_MODE_MULTIPATH) {
             -  +  +  - ]
     600   [ #  #  #  #  :         24 :                 ctx->req.bdev_opts.multipath = false;
             #  #  #  # ]
     601                 :          0 :         }
     602                 :            : 
     603   [ +  +  -  +  :       1531 :         if (ctx->req.drv_opts.num_io_queues == 0 || ctx->req.drv_opts.num_io_queues > UINT16_MAX + 1) {
          -  +  -  +  +  
          -  -  +  -  +  
          -  +  -  +  -  
                      + ]
     604                 :          0 :                 spdk_jsonrpc_send_error_response_fmt(request, -EINVAL,
     605                 :            :                                                      "num_io_queues out of bounds, min: %u max: %u",
     606                 :            :                                                      1, UINT16_MAX + 1);
     607                 :          0 :                 goto cleanup;
     608                 :            :         }
     609                 :            : 
     610   [ -  +  -  + ]:       1531 :         ctx->request = request;
     611                 :            :         /* Should already be zero due to the calloc(), but set explicitly for clarity. */
     612   [ -  +  -  +  :       1531 :         ctx->req.bdev_opts.from_discovery_service = false;
             -  +  -  + ]
     613   [ -  +  -  +  :       1531 :         ctx->req.bdev_opts.psk = ctx->req.psk;
          -  +  -  +  -  
             +  -  +  -  
                      + ]
     614   [ -  +  -  +  :       1531 :         ctx->req.bdev_opts.dhchap_key = ctx->req.dhchap_key;
          -  +  -  +  -  
             +  -  +  -  
                      + ]
     615   [ -  +  -  +  :       1531 :         ctx->req.bdev_opts.dhchap_ctrlr_key = ctx->req.dhchap_ctrlr_key;
          -  +  -  +  -  
             +  -  +  -  
                      + ]
     616   [ -  +  -  +  :       1532 :         rc = spdk_bdev_nvme_create(&trid, ctx->req.name, ctx->names, ctx->req.max_bdevs,
          -  +  -  +  -  
          +  -  +  -  +  
                   -  + ]
     617   [ -  +  -  + ]:          1 :                                    rpc_bdev_nvme_attach_controller_done, ctx, &ctx->req.drv_opts,
     618   [ -  +  -  + ]:          1 :                                    &ctx->req.bdev_opts);
     619         [ +  + ]:       1531 :         if (rc) {
     620         [ #  # ]:          9 :                 spdk_jsonrpc_send_error_response(request, rc, spdk_strerror(-rc));
     621                 :          9 :                 goto cleanup;
     622                 :            :         }
     623                 :            : 
     624                 :       1522 :         return;
     625                 :            : 
     626                 :         17 : cleanup:
     627                 :         17 :         free_rpc_bdev_nvme_attach_controller_ctx(ctx);
     628                 :          1 : }
     629                 :       2134 : SPDK_RPC_REGISTER("bdev_nvme_attach_controller", rpc_bdev_nvme_attach_controller,
     630                 :            :                   SPDK_RPC_RUNTIME)
     631                 :            : 
     632                 :            : static void
     633                 :        736 : rpc_dump_nvme_bdev_controller_info(struct nvme_bdev_ctrlr *nbdev_ctrlr, void *ctx)
     634                 :            : {
     635                 :        736 :         struct spdk_json_write_ctx      *w = ctx;
     636                 :            :         struct nvme_ctrlr               *nvme_ctrlr;
     637                 :            : 
     638                 :        736 :         spdk_json_write_object_begin(w);
     639   [ #  #  #  # ]:        736 :         spdk_json_write_named_string(w, "name", nbdev_ctrlr->name);
     640                 :            : 
     641                 :        736 :         spdk_json_write_named_array_begin(w, "ctrlrs");
     642   [ +  +  #  #  :       1481 :         TAILQ_FOREACH(nvme_ctrlr, &nbdev_ctrlr->ctrlrs, tailq) {
          #  #  #  #  #  
             #  #  #  #  
                      # ]
     643                 :        745 :                 nvme_ctrlr_info_json(w, nvme_ctrlr);
     644                 :          0 :         }
     645                 :        736 :         spdk_json_write_array_end(w);
     646                 :        736 :         spdk_json_write_object_end(w);
     647                 :        736 : }
     648                 :            : 
     649                 :            : struct rpc_bdev_nvme_get_controllers {
     650                 :            :         char *name;
     651                 :            : };
     652                 :            : 
     653                 :            : static void
     654                 :        781 : free_rpc_bdev_nvme_get_controllers(struct rpc_bdev_nvme_get_controllers *r)
     655                 :            : {
     656   [ #  #  #  # ]:        781 :         free(r->name);
     657                 :        781 : }
     658                 :            : 
     659                 :            : static const struct spdk_json_object_decoder rpc_bdev_nvme_get_controllers_decoders[] = {
     660                 :            :         {"name", offsetof(struct rpc_bdev_nvme_get_controllers, name), spdk_json_decode_string, true},
     661                 :            : };
     662                 :            : 
     663                 :            : static void
     664                 :        781 : rpc_bdev_nvme_get_controllers(struct spdk_jsonrpc_request *request,
     665                 :            :                               const struct spdk_json_val *params)
     666                 :            : {
     667                 :        781 :         struct rpc_bdev_nvme_get_controllers req = {};
     668                 :            :         struct spdk_json_write_ctx *w;
     669                 :        781 :         struct nvme_bdev_ctrlr *nbdev_ctrlr = NULL;
     670                 :            : 
     671   [ +  +  -  + ]:        781 :         if (params && spdk_json_decode_object(params, rpc_bdev_nvme_get_controllers_decoders,
     672                 :            :                                               SPDK_COUNTOF(rpc_bdev_nvme_get_controllers_decoders),
     673                 :            :                                               &req)) {
     674                 :          0 :                 SPDK_ERRLOG("spdk_json_decode_object failed\n");
     675                 :          0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
     676                 :            :                                                  "spdk_json_decode_object failed");
     677                 :          0 :                 goto cleanup;
     678                 :            :         }
     679                 :            : 
     680         [ +  + ]:        781 :         if (req.name) {
     681                 :         17 :                 nbdev_ctrlr = nvme_bdev_ctrlr_get_by_name(req.name);
     682         [ -  + ]:         17 :                 if (nbdev_ctrlr == NULL) {
     683                 :          0 :                         SPDK_ERRLOG("ctrlr '%s' does not exist\n", req.name);
     684                 :          0 :                         spdk_jsonrpc_send_error_response_fmt(request, EINVAL, "Controller %s does not exist", req.name);
     685                 :          0 :                         goto cleanup;
     686                 :            :                 }
     687                 :          0 :         }
     688                 :            : 
     689                 :        781 :         w = spdk_jsonrpc_begin_result(request);
     690                 :        781 :         spdk_json_write_array_begin(w);
     691                 :            : 
     692         [ +  + ]:        781 :         if (nbdev_ctrlr != NULL) {
     693                 :         17 :                 rpc_dump_nvme_bdev_controller_info(nbdev_ctrlr, w);
     694                 :          0 :         } else {
     695                 :        764 :                 nvme_bdev_ctrlr_for_each(rpc_dump_nvme_bdev_controller_info, w);
     696                 :            :         }
     697                 :            : 
     698                 :        781 :         spdk_json_write_array_end(w);
     699                 :            : 
     700                 :        781 :         spdk_jsonrpc_end_result(request, w);
     701                 :            : 
     702                 :        781 : cleanup:
     703                 :        781 :         free_rpc_bdev_nvme_get_controllers(&req);
     704                 :        781 : }
     705                 :       2134 : SPDK_RPC_REGISTER("bdev_nvme_get_controllers", rpc_bdev_nvme_get_controllers, SPDK_RPC_RUNTIME)
     706                 :            : 
     707                 :            : struct rpc_bdev_nvme_detach_controller {
     708                 :            :         char *name;
     709                 :            :         char *trtype;
     710                 :            :         char *adrfam;
     711                 :            :         char *traddr;
     712                 :            :         char *trsvcid;
     713                 :            :         char *subnqn;
     714                 :            :         char *hostaddr;
     715                 :            :         char *hostsvcid;
     716                 :            : };
     717                 :            : 
     718                 :            : static void
     719                 :        706 : free_rpc_bdev_nvme_detach_controller(struct rpc_bdev_nvme_detach_controller *req)
     720                 :            : {
     721   [ #  #  #  # ]:        706 :         free(req->name);
     722   [ #  #  #  # ]:        706 :         free(req->trtype);
     723   [ #  #  #  # ]:        706 :         free(req->adrfam);
     724   [ #  #  #  # ]:        706 :         free(req->traddr);
     725   [ #  #  #  # ]:        706 :         free(req->trsvcid);
     726   [ #  #  #  # ]:        706 :         free(req->subnqn);
     727   [ #  #  #  # ]:        706 :         free(req->hostaddr);
     728   [ #  #  #  # ]:        706 :         free(req->hostsvcid);
     729                 :        706 : }
     730                 :            : 
     731                 :            : static const struct spdk_json_object_decoder rpc_bdev_nvme_detach_controller_decoders[] = {
     732                 :            :         {"name", offsetof(struct rpc_bdev_nvme_detach_controller, name), spdk_json_decode_string},
     733                 :            :         {"trtype", offsetof(struct rpc_bdev_nvme_detach_controller, trtype), spdk_json_decode_string, true},
     734                 :            :         {"traddr", offsetof(struct rpc_bdev_nvme_detach_controller, traddr), spdk_json_decode_string, true},
     735                 :            :         {"adrfam", offsetof(struct rpc_bdev_nvme_detach_controller, adrfam), spdk_json_decode_string, true},
     736                 :            :         {"trsvcid", offsetof(struct rpc_bdev_nvme_detach_controller, trsvcid), spdk_json_decode_string, true},
     737                 :            :         {"subnqn", offsetof(struct rpc_bdev_nvme_detach_controller, subnqn), spdk_json_decode_string, true},
     738                 :            :         {"hostaddr", offsetof(struct rpc_bdev_nvme_detach_controller, hostaddr), spdk_json_decode_string, true},
     739                 :            :         {"hostsvcid", offsetof(struct rpc_bdev_nvme_detach_controller, hostsvcid), spdk_json_decode_string, true},
     740                 :            : };
     741                 :            : 
     742                 :            : static void
     743                 :        706 : rpc_bdev_nvme_detach_controller_done(void *arg, int rc)
     744                 :            : {
     745                 :        706 :         struct spdk_jsonrpc_request *request = arg;
     746                 :            : 
     747         [ +  - ]:        706 :         if (rc == 0) {
     748                 :        706 :                 spdk_jsonrpc_send_bool_response(request, true);
     749                 :          0 :         } else {
     750         [ #  # ]:          0 :                 spdk_jsonrpc_send_error_response(request, rc, spdk_strerror(-rc));
     751                 :            :         }
     752                 :        706 : }
     753                 :            : 
     754                 :            : static void
     755                 :        706 : rpc_bdev_nvme_detach_controller(struct spdk_jsonrpc_request *request,
     756                 :            :                                 const struct spdk_json_val *params)
     757                 :            : {
     758                 :        706 :         struct rpc_bdev_nvme_detach_controller req = {NULL};
     759                 :        706 :         struct nvme_path_id path = {};
     760                 :            :         size_t len, maxlen;
     761                 :        706 :         int rc = 0;
     762                 :            : 
     763         [ -  + ]:        706 :         if (spdk_json_decode_object(params, rpc_bdev_nvme_detach_controller_decoders,
     764                 :            :                                     SPDK_COUNTOF(rpc_bdev_nvme_detach_controller_decoders),
     765                 :            :                                     &req)) {
     766                 :          0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
     767                 :            :                                                  "spdk_json_decode_object failed");
     768                 :          0 :                 goto cleanup;
     769                 :            :         }
     770                 :            : 
     771   [ +  +  #  # ]:        706 :         if (req.trtype != NULL) {
     772         [ #  # ]:         14 :                 rc = spdk_nvme_transport_id_populate_trstring(&path.trid, req.trtype);
     773         [ -  + ]:         14 :                 if (rc < 0) {
     774         [ #  # ]:          0 :                         SPDK_ERRLOG("Failed to parse trtype: %s\n", req.trtype);
     775                 :          0 :                         spdk_jsonrpc_send_error_response_fmt(request, -EINVAL, "Failed to parse trtype: %s",
     776         [ #  # ]:          0 :                                                              req.trtype);
     777                 :          0 :                         goto cleanup;
     778                 :            :                 }
     779                 :            : 
     780         [ #  # ]:         14 :                 rc = spdk_nvme_transport_id_parse_trtype(&path.trid.trtype, req.trtype);
     781         [ -  + ]:         14 :                 if (rc < 0) {
     782         [ #  # ]:          0 :                         SPDK_ERRLOG("Failed to parse trtype: %s\n", req.trtype);
     783                 :          0 :                         spdk_jsonrpc_send_error_response_fmt(request, -EINVAL, "Failed to parse trtype: %s",
     784         [ #  # ]:          0 :                                                              req.trtype);
     785                 :          0 :                         goto cleanup;
     786                 :            :                 }
     787                 :          0 :         }
     788                 :            : 
     789   [ +  +  #  # ]:        706 :         if (req.traddr != NULL) {
     790                 :         14 :                 maxlen = sizeof(path.trid.traddr);
     791   [ -  +  #  # ]:         14 :                 len = strnlen(req.traddr, maxlen);
     792         [ -  + ]:         14 :                 if (len == maxlen) {
     793                 :          0 :                         spdk_jsonrpc_send_error_response_fmt(request, -EINVAL, "traddr too long: %s",
     794         [ #  # ]:          0 :                                                              req.traddr);
     795                 :          0 :                         goto cleanup;
     796                 :            :                 }
     797   [ -  +  #  #  :         14 :                 memcpy(path.trid.traddr, req.traddr, len + 1);
                   #  # ]
     798                 :          0 :         }
     799                 :            : 
     800   [ +  +  #  # ]:        706 :         if (req.adrfam != NULL) {
     801         [ #  # ]:         14 :                 rc = spdk_nvme_transport_id_parse_adrfam(&path.trid.adrfam, req.adrfam);
     802         [ -  + ]:         14 :                 if (rc < 0) {
     803         [ #  # ]:          0 :                         SPDK_ERRLOG("Failed to parse adrfam: %s\n", req.adrfam);
     804                 :          0 :                         spdk_jsonrpc_send_error_response_fmt(request, -EINVAL, "Failed to parse adrfam: %s",
     805         [ #  # ]:          0 :                                                              req.adrfam);
     806                 :          0 :                         goto cleanup;
     807                 :            :                 }
     808                 :          0 :         }
     809                 :            : 
     810   [ +  +  #  # ]:        706 :         if (req.trsvcid != NULL) {
     811                 :         14 :                 maxlen = sizeof(path.trid.trsvcid);
     812   [ -  +  #  # ]:         14 :                 len = strnlen(req.trsvcid, maxlen);
     813         [ -  + ]:         14 :                 if (len == maxlen) {
     814                 :          0 :                         spdk_jsonrpc_send_error_response_fmt(request, -EINVAL, "trsvcid too long: %s",
     815         [ #  # ]:          0 :                                                              req.trsvcid);
     816                 :          0 :                         goto cleanup;
     817                 :            :                 }
     818   [ -  +  #  #  :         14 :                 memcpy(path.trid.trsvcid, req.trsvcid, len + 1);
                   #  # ]
     819                 :          0 :         }
     820                 :            : 
     821                 :            :         /* Parse subnqn */
     822   [ +  +  #  # ]:        706 :         if (req.subnqn != NULL) {
     823                 :         14 :                 maxlen = sizeof(path.trid.subnqn);
     824   [ -  +  #  # ]:         14 :                 len = strnlen(req.subnqn, maxlen);
     825         [ -  + ]:         14 :                 if (len == maxlen) {
     826                 :          0 :                         spdk_jsonrpc_send_error_response_fmt(request, -EINVAL, "subnqn too long: %s",
     827         [ #  # ]:          0 :                                                              req.subnqn);
     828                 :          0 :                         goto cleanup;
     829                 :            :                 }
     830   [ -  +  #  #  :         14 :                 memcpy(path.trid.subnqn, req.subnqn, len + 1);
                   #  # ]
     831                 :          0 :         }
     832                 :            : 
     833   [ -  +  #  # ]:        706 :         if (req.hostaddr) {
     834                 :          0 :                 maxlen = sizeof(path.hostid.hostaddr);
     835   [ #  #  #  # ]:          0 :                 len = strnlen(req.hostaddr, maxlen);
     836         [ #  # ]:          0 :                 if (len == maxlen) {
     837                 :          0 :                         spdk_jsonrpc_send_error_response_fmt(request, -EINVAL, "hostaddr too long: %s",
     838         [ #  # ]:          0 :                                                              req.hostaddr);
     839                 :          0 :                         goto cleanup;
     840                 :            :                 }
     841   [ #  #  #  # ]:          0 :                 snprintf(path.hostid.hostaddr, maxlen, "%s", req.hostaddr);
     842                 :          0 :         }
     843                 :            : 
     844   [ -  +  #  # ]:        706 :         if (req.hostsvcid) {
     845                 :          0 :                 maxlen = sizeof(path.hostid.hostsvcid);
     846   [ #  #  #  # ]:          0 :                 len = strnlen(req.hostsvcid, maxlen);
     847         [ #  # ]:          0 :                 if (len == maxlen) {
     848                 :          0 :                         spdk_jsonrpc_send_error_response_fmt(request, -EINVAL, "hostsvcid too long: %s",
     849         [ #  # ]:          0 :                                                              req.hostsvcid);
     850                 :          0 :                         goto cleanup;
     851                 :            :                 }
     852   [ #  #  #  # ]:          0 :                 snprintf(path.hostid.hostsvcid, maxlen, "%s", req.hostsvcid);
     853                 :          0 :         }
     854                 :            : 
     855                 :        706 :         rc = bdev_nvme_delete(req.name, &path, rpc_bdev_nvme_detach_controller_done, request);
     856                 :            : 
     857         [ +  - ]:        706 :         if (rc != 0) {
     858         [ #  # ]:          0 :                 spdk_jsonrpc_send_error_response(request, rc, spdk_strerror(-rc));
     859                 :          0 :         }
     860                 :            : 
     861                 :        706 : cleanup:
     862                 :        706 :         free_rpc_bdev_nvme_detach_controller(&req);
     863                 :        706 : }
     864                 :       2134 : SPDK_RPC_REGISTER("bdev_nvme_detach_controller", rpc_bdev_nvme_detach_controller,
     865                 :            :                   SPDK_RPC_RUNTIME)
     866                 :            : 
     867                 :            : struct rpc_apply_firmware {
     868                 :            :         char *filename;
     869                 :            :         char *bdev_name;
     870                 :            : };
     871                 :            : 
     872                 :            : static void
     873                 :          6 : free_rpc_apply_firmware(struct rpc_apply_firmware *req)
     874                 :            : {
     875   [ #  #  #  # ]:          6 :         free(req->filename);
     876   [ #  #  #  # ]:          6 :         free(req->bdev_name);
     877                 :          6 : }
     878                 :            : 
     879                 :            : static const struct spdk_json_object_decoder rpc_apply_firmware_decoders[] = {
     880                 :            :         {"filename", offsetof(struct rpc_apply_firmware, filename), spdk_json_decode_string},
     881                 :            :         {"bdev_name", offsetof(struct rpc_apply_firmware, bdev_name), spdk_json_decode_string},
     882                 :            : };
     883                 :            : 
     884                 :            : struct firmware_update_info {
     885                 :            :         void                            *fw_image;
     886                 :            :         void                            *p;
     887                 :            :         unsigned int                    size;
     888                 :            :         unsigned int                    size_remaining;
     889                 :            :         unsigned int                    offset;
     890                 :            :         unsigned int                    transfer;
     891                 :            :         bool                            success;
     892                 :            : 
     893                 :            :         struct spdk_bdev_desc           *desc;
     894                 :            :         struct spdk_io_channel          *ch;
     895                 :            :         struct spdk_thread              *orig_thread;
     896                 :            :         struct spdk_jsonrpc_request     *request;
     897                 :            :         struct spdk_nvme_ctrlr          *ctrlr;
     898                 :            :         struct rpc_apply_firmware       req;
     899                 :            : };
     900                 :            : 
     901                 :            : static void
     902                 :          6 : apply_firmware_cleanup(struct firmware_update_info *firm_ctx)
     903                 :            : {
     904   [ -  +  #  # ]:          6 :         assert(firm_ctx != NULL);
     905   [ -  +  #  #  :          6 :         assert(firm_ctx->orig_thread == spdk_get_thread());
             #  #  #  # ]
     906                 :            : 
     907   [ -  +  #  #  :          6 :         if (firm_ctx->fw_image) {
                   #  # ]
     908   [ #  #  #  # ]:          0 :                 spdk_free(firm_ctx->fw_image);
     909                 :          0 :         }
     910                 :            : 
     911         [ #  # ]:          6 :         free_rpc_apply_firmware(&firm_ctx->req);
     912                 :            : 
     913   [ +  -  #  #  :          6 :         if (firm_ctx->ch) {
                   #  # ]
     914   [ #  #  #  # ]:          6 :                 spdk_put_io_channel(firm_ctx->ch);
     915                 :          0 :         }
     916                 :            : 
     917   [ +  -  #  #  :          6 :         if (firm_ctx->desc) {
                   #  # ]
     918   [ #  #  #  # ]:          6 :                 spdk_bdev_close(firm_ctx->desc);
     919                 :          0 :         }
     920                 :            : 
     921                 :          6 :         free(firm_ctx);
     922                 :          6 : }
     923                 :            : 
     924                 :            : static void
     925                 :          0 : _apply_firmware_complete_reset(void *ctx)
     926                 :            : {
     927                 :            :         struct spdk_json_write_ctx              *w;
     928                 :          0 :         struct firmware_update_info *firm_ctx = ctx;
     929                 :            : 
     930   [ #  #  #  #  :          0 :         assert(firm_ctx->orig_thread == spdk_get_thread());
             #  #  #  # ]
     931                 :            : 
     932   [ #  #  #  #  :          0 :         if (!firm_ctx->success) {
             #  #  #  # ]
     933   [ #  #  #  # ]:          0 :                 spdk_jsonrpc_send_error_response(firm_ctx->request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
     934                 :            :                                                  "firmware commit failed.");
     935                 :          0 :                 apply_firmware_cleanup(firm_ctx);
     936                 :          0 :                 return;
     937                 :            :         }
     938                 :            : 
     939   [ #  #  #  #  :          0 :         if (spdk_nvme_ctrlr_reset(firm_ctx->ctrlr) != 0) {
                   #  # ]
     940   [ #  #  #  # ]:          0 :                 spdk_jsonrpc_send_error_response(firm_ctx->request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
     941                 :            :                                                  "Controller reset failed.");
     942                 :          0 :                 apply_firmware_cleanup(firm_ctx);
     943                 :          0 :                 return;
     944                 :            :         }
     945                 :            : 
     946   [ #  #  #  # ]:          0 :         w = spdk_jsonrpc_begin_result(firm_ctx->request);
     947                 :          0 :         spdk_json_write_string(w, "firmware commit succeeded. Controller reset in progress.");
     948   [ #  #  #  # ]:          0 :         spdk_jsonrpc_end_result(firm_ctx->request, w);
     949                 :          0 :         apply_firmware_cleanup(firm_ctx);
     950                 :          0 : }
     951                 :            : 
     952                 :            : static void
     953                 :          0 : apply_firmware_complete_reset(struct spdk_bdev_io *bdev_io, bool success, void *cb_arg)
     954                 :            : {
     955                 :          0 :         struct firmware_update_info *firm_ctx = cb_arg;
     956                 :            : 
     957                 :          0 :         spdk_bdev_free_io(bdev_io);
     958                 :            : 
     959   [ #  #  #  #  :          0 :         firm_ctx->success = success;
                   #  # ]
     960                 :            : 
     961   [ #  #  #  # ]:          0 :         spdk_thread_exec_msg(firm_ctx->orig_thread, _apply_firmware_complete_reset, firm_ctx);
     962                 :          0 : }
     963                 :            : 
     964                 :            : static void apply_firmware_complete(struct spdk_bdev_io *bdev_io, bool success, void *cb_arg);
     965                 :            : 
     966                 :            : static void
     967                 :          0 : _apply_firmware_complete(void *ctx)
     968                 :            : {
     969                 :          0 :         struct spdk_nvme_cmd                    cmd = {};
     970                 :          0 :         struct spdk_nvme_fw_commit              fw_commit;
     971                 :          0 :         int                                     slot = 0;
     972                 :            :         int                                     rc;
     973                 :          0 :         struct firmware_update_info *firm_ctx = ctx;
     974                 :          0 :         enum spdk_nvme_fw_commit_action commit_action = SPDK_NVME_FW_COMMIT_REPLACE_AND_ENABLE_IMG;
     975                 :            : 
     976   [ #  #  #  #  :          0 :         assert(firm_ctx->orig_thread == spdk_get_thread());
             #  #  #  # ]
     977                 :            : 
     978   [ #  #  #  #  :          0 :         if (!firm_ctx->success) {
             #  #  #  # ]
     979   [ #  #  #  # ]:          0 :                 spdk_jsonrpc_send_error_response(firm_ctx->request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
     980                 :            :                                                  "firmware download failed .");
     981                 :          0 :                 apply_firmware_cleanup(firm_ctx);
     982                 :          0 :                 return;
     983                 :            :         }
     984                 :            : 
     985   [ #  #  #  #  :          0 :         firm_ctx->p += firm_ctx->transfer;
             #  #  #  # ]
     986   [ #  #  #  #  :          0 :         firm_ctx->offset += firm_ctx->transfer;
             #  #  #  # ]
     987   [ #  #  #  #  :          0 :         firm_ctx->size_remaining -= firm_ctx->transfer;
             #  #  #  # ]
     988                 :            : 
     989   [ #  #  #  #  :          0 :         switch (firm_ctx->size_remaining) {
                   #  # ]
     990                 :          0 :         case 0:
     991                 :            :                 /* firmware download completed. Commit firmware */
     992         [ #  # ]:          0 :                 memset(&fw_commit, 0, sizeof(struct spdk_nvme_fw_commit));
     993                 :          0 :                 fw_commit.fs = slot;
     994                 :          0 :                 fw_commit.ca = commit_action;
     995                 :            : 
     996                 :          0 :                 cmd.opc = SPDK_NVME_OPC_FIRMWARE_COMMIT;
     997   [ #  #  #  #  :          0 :                 memcpy(&cmd.cdw10, &fw_commit, sizeof(uint32_t));
                   #  # ]
     998   [ #  #  #  #  :          0 :                 rc = spdk_bdev_nvme_admin_passthru(firm_ctx->desc, firm_ctx->ch, &cmd, NULL, 0,
             #  #  #  # ]
     999                 :          0 :                                                    apply_firmware_complete_reset, firm_ctx);
    1000         [ #  # ]:          0 :                 if (rc) {
    1001   [ #  #  #  # ]:          0 :                         spdk_jsonrpc_send_error_response(firm_ctx->request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
    1002                 :            :                                                          "firmware commit failed.");
    1003                 :          0 :                         apply_firmware_cleanup(firm_ctx);
    1004                 :          0 :                         return;
    1005                 :            :                 }
    1006                 :          0 :                 break;
    1007                 :          0 :         default:
    1008   [ #  #  #  #  :          0 :                 firm_ctx->transfer = spdk_min(firm_ctx->size_remaining, 4096);
          #  #  #  #  #  
             #  #  #  #  
                      # ]
    1009                 :          0 :                 cmd.opc = SPDK_NVME_OPC_FIRMWARE_IMAGE_DOWNLOAD;
    1010                 :            : 
    1011   [ #  #  #  #  :          0 :                 cmd.cdw10 = spdk_nvme_bytes_to_numd(firm_ctx->transfer);
             #  #  #  # ]
    1012   [ #  #  #  #  :          0 :                 cmd.cdw11 = firm_ctx->offset >> 2;
          #  #  #  #  #  
                      # ]
    1013   [ #  #  #  #  :          0 :                 rc = spdk_bdev_nvme_admin_passthru(firm_ctx->desc, firm_ctx->ch, &cmd, firm_ctx->p,
          #  #  #  #  #  
                #  #  # ]
    1014   [ #  #  #  # ]:          0 :                                                    firm_ctx->transfer, apply_firmware_complete, firm_ctx);
    1015         [ #  # ]:          0 :                 if (rc) {
    1016   [ #  #  #  # ]:          0 :                         spdk_jsonrpc_send_error_response(firm_ctx->request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
    1017                 :            :                                                          "firmware download failed.");
    1018                 :          0 :                         apply_firmware_cleanup(firm_ctx);
    1019                 :          0 :                         return;
    1020                 :            :                 }
    1021                 :          0 :                 break;
    1022                 :            :         }
    1023                 :          0 : }
    1024                 :            : 
    1025                 :            : static void
    1026                 :          0 : apply_firmware_complete(struct spdk_bdev_io *bdev_io, bool success, void *cb_arg)
    1027                 :            : {
    1028                 :          0 :         struct firmware_update_info *firm_ctx = cb_arg;
    1029                 :            : 
    1030                 :          0 :         spdk_bdev_free_io(bdev_io);
    1031                 :            : 
    1032   [ #  #  #  #  :          0 :         firm_ctx->success = success;
                   #  # ]
    1033                 :            : 
    1034   [ #  #  #  # ]:          0 :         spdk_thread_exec_msg(firm_ctx->orig_thread, _apply_firmware_complete, firm_ctx);
    1035                 :          0 : }
    1036                 :            : 
    1037                 :            : static void
    1038                 :          0 : apply_firmware_open_cb(enum spdk_bdev_event_type type, struct spdk_bdev *bdev, void *event_ctx)
    1039                 :            : {
    1040                 :          0 : }
    1041                 :            : 
    1042                 :            : static void
    1043                 :          6 : rpc_bdev_nvme_apply_firmware(struct spdk_jsonrpc_request *request,
    1044                 :            :                              const struct spdk_json_val *params)
    1045                 :            : {
    1046                 :            :         int                                     rc;
    1047                 :          6 :         int                                     fd = -1;
    1048                 :          3 :         struct stat                             fw_stat;
    1049                 :            :         struct spdk_bdev                        *bdev;
    1050                 :          6 :         struct spdk_nvme_cmd                    cmd = {};
    1051                 :            :         struct firmware_update_info             *firm_ctx;
    1052                 :            : 
    1053                 :          6 :         firm_ctx = calloc(1, sizeof(struct firmware_update_info));
    1054         [ -  + ]:          6 :         if (!firm_ctx) {
    1055                 :          0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
    1056                 :            :                                                  "Memory allocation error.");
    1057                 :          0 :                 return;
    1058                 :            :         }
    1059   [ #  #  #  # ]:          6 :         firm_ctx->fw_image = NULL;
    1060   [ #  #  #  # ]:          6 :         firm_ctx->request = request;
    1061   [ #  #  #  # ]:          6 :         firm_ctx->orig_thread = spdk_get_thread();
    1062                 :            : 
    1063         [ -  + ]:          6 :         if (spdk_json_decode_object(params, rpc_apply_firmware_decoders,
    1064         [ #  # ]:          6 :                                     SPDK_COUNTOF(rpc_apply_firmware_decoders), &firm_ctx->req)) {
    1065                 :          0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
    1066                 :            :                                                  "spdk_json_decode_object failed.");
    1067                 :          0 :                 goto err;
    1068                 :            :         }
    1069                 :            : 
    1070   [ -  +  #  #  :          6 :         if (spdk_bdev_open_ext(firm_ctx->req.bdev_name, true, apply_firmware_open_cb, NULL,
          #  #  #  #  #  
                      # ]
    1071         [ #  # ]:          0 :                                &firm_ctx->desc) != 0) {
    1072                 :          0 :                 spdk_jsonrpc_send_error_response_fmt(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
    1073                 :            :                                                      "bdev %s could not be opened",
    1074   [ #  #  #  #  :          0 :                                                      firm_ctx->req.bdev_name);
                   #  # ]
    1075                 :          0 :                 goto err;
    1076                 :            :         }
    1077   [ #  #  #  # ]:          6 :         bdev = spdk_bdev_desc_get_bdev(firm_ctx->desc);
    1078                 :            : 
    1079   [ -  +  #  #  :          6 :         if ((firm_ctx->ctrlr = bdev_nvme_get_ctrlr(bdev)) == NULL) {
                   #  # ]
    1080                 :          0 :                 spdk_jsonrpc_send_error_response_fmt(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
    1081                 :            :                                                      "Controller information for %s were not found.",
    1082   [ #  #  #  #  :          0 :                                                      firm_ctx->req.bdev_name);
                   #  # ]
    1083                 :          0 :                 goto err;
    1084                 :            :         }
    1085                 :            : 
    1086   [ #  #  #  #  :          6 :         firm_ctx->ch = spdk_bdev_get_io_channel(firm_ctx->desc);
             #  #  #  # ]
    1087   [ -  +  #  #  :          6 :         if (!firm_ctx->ch) {
                   #  # ]
    1088                 :          0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
    1089                 :            :                                                  "No channels were found.");
    1090                 :          0 :                 goto err;
    1091                 :            :         }
    1092                 :            : 
    1093   [ -  +  #  #  :          6 :         fd = open(firm_ctx->req.filename, O_RDONLY);
             #  #  #  # ]
    1094         [ +  - ]:          6 :         if (fd < 0) {
    1095                 :          6 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
    1096                 :            :                                                  "open file failed.");
    1097                 :          6 :                 goto err;
    1098                 :            :         }
    1099                 :            : 
    1100         [ #  # ]:          0 :         rc = fstat(fd, &fw_stat);
    1101         [ #  # ]:          0 :         if (rc < 0) {
    1102                 :          0 :                 close(fd);
    1103                 :          0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
    1104                 :            :                                                  "fstat failed.");
    1105                 :          0 :                 goto err;
    1106                 :            :         }
    1107                 :            : 
    1108   [ #  #  #  #  :          0 :         firm_ctx->size = fw_stat.st_size;
                   #  # ]
    1109   [ #  #  #  #  :          0 :         if (fw_stat.st_size % 4) {
                   #  # ]
    1110                 :          0 :                 close(fd);
    1111                 :          0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
    1112                 :            :                                                  "Firmware image size is not multiple of 4.");
    1113                 :          0 :                 goto err;
    1114                 :            :         }
    1115                 :            : 
    1116   [ #  #  #  #  :          0 :         firm_ctx->fw_image = spdk_zmalloc(firm_ctx->size, 4096, NULL,
             #  #  #  # ]
    1117                 :            :                                           SPDK_ENV_LCORE_ID_ANY, SPDK_MALLOC_DMA);
    1118   [ #  #  #  #  :          0 :         if (!firm_ctx->fw_image) {
                   #  # ]
    1119                 :          0 :                 close(fd);
    1120                 :          0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
    1121                 :            :                                                  "Memory allocation error.");
    1122                 :          0 :                 goto err;
    1123                 :            :         }
    1124   [ #  #  #  #  :          0 :         firm_ctx->p = firm_ctx->fw_image;
             #  #  #  # ]
    1125                 :            : 
    1126   [ #  #  #  #  :          0 :         if (read(fd, firm_ctx->p, firm_ctx->size) != ((ssize_t)(firm_ctx->size))) {
          #  #  #  #  #  
             #  #  #  #  
                      # ]
    1127                 :          0 :                 close(fd);
    1128                 :          0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
    1129                 :            :                                                  "Read firmware image failed!");
    1130                 :          0 :                 goto err;
    1131                 :            :         }
    1132                 :          0 :         close(fd);
    1133                 :            : 
    1134   [ #  #  #  # ]:          0 :         firm_ctx->offset = 0;
    1135   [ #  #  #  #  :          0 :         firm_ctx->size_remaining = firm_ctx->size;
             #  #  #  # ]
    1136   [ #  #  #  #  :          0 :         firm_ctx->transfer = spdk_min(firm_ctx->size_remaining, 4096);
          #  #  #  #  #  
             #  #  #  #  
                      # ]
    1137                 :            : 
    1138                 :          0 :         cmd.opc = SPDK_NVME_OPC_FIRMWARE_IMAGE_DOWNLOAD;
    1139   [ #  #  #  #  :          0 :         cmd.cdw10 = spdk_nvme_bytes_to_numd(firm_ctx->transfer);
             #  #  #  # ]
    1140   [ #  #  #  #  :          0 :         cmd.cdw11 = firm_ctx->offset >> 2;
          #  #  #  #  #  
                      # ]
    1141                 :            : 
    1142   [ #  #  #  #  :          0 :         rc = spdk_bdev_nvme_admin_passthru(firm_ctx->desc, firm_ctx->ch, &cmd, firm_ctx->p,
          #  #  #  #  #  
                #  #  # ]
    1143   [ #  #  #  # ]:          0 :                                            firm_ctx->transfer, apply_firmware_complete, firm_ctx);
    1144         [ #  # ]:          0 :         if (rc == 0) {
    1145                 :            :                 /* normal return here. */
    1146                 :          0 :                 return;
    1147                 :            :         }
    1148                 :            : 
    1149                 :          0 :         spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
    1150                 :            :                                          "Read firmware image failed!");
    1151                 :          6 : err:
    1152                 :          6 :         apply_firmware_cleanup(firm_ctx);
    1153                 :          0 : }
    1154                 :       2134 : SPDK_RPC_REGISTER("bdev_nvme_apply_firmware", rpc_bdev_nvme_apply_firmware, SPDK_RPC_RUNTIME)
    1155                 :            : 
    1156                 :            : struct rpc_bdev_nvme_transport_stat_ctx {
    1157                 :            :         struct spdk_jsonrpc_request *request;
    1158                 :            :         struct spdk_json_write_ctx *w;
    1159                 :            : };
    1160                 :            : 
    1161                 :            : static void
    1162                 :          0 : rpc_bdev_nvme_rdma_stats(struct spdk_json_write_ctx *w,
    1163                 :            :                          struct spdk_nvme_transport_poll_group_stat *stat)
    1164                 :            : {
    1165                 :            :         struct spdk_nvme_rdma_device_stat *device_stats;
    1166                 :            :         uint32_t i;
    1167                 :            : 
    1168                 :          0 :         spdk_json_write_named_array_begin(w, "devices");
    1169                 :            : 
    1170   [ #  #  #  #  :          0 :         for (i = 0; i < stat->rdma.num_devices; i++) {
          #  #  #  #  #  
                      # ]
    1171   [ #  #  #  #  :          0 :                 device_stats = &stat->rdma.device_stats[i];
          #  #  #  #  #  
                      # ]
    1172                 :          0 :                 spdk_json_write_object_begin(w);
    1173   [ #  #  #  # ]:          0 :                 spdk_json_write_named_string(w, "dev_name", device_stats->name);
    1174   [ #  #  #  # ]:          0 :                 spdk_json_write_named_uint64(w, "polls", device_stats->polls);
    1175   [ #  #  #  # ]:          0 :                 spdk_json_write_named_uint64(w, "idle_polls", device_stats->idle_polls);
    1176   [ #  #  #  # ]:          0 :                 spdk_json_write_named_uint64(w, "completions", device_stats->completions);
    1177   [ #  #  #  # ]:          0 :                 spdk_json_write_named_uint64(w, "queued_requests", device_stats->queued_requests);
    1178   [ #  #  #  # ]:          0 :                 spdk_json_write_named_uint64(w, "total_send_wrs", device_stats->total_send_wrs);
    1179   [ #  #  #  # ]:          0 :                 spdk_json_write_named_uint64(w, "send_doorbell_updates", device_stats->send_doorbell_updates);
    1180   [ #  #  #  # ]:          0 :                 spdk_json_write_named_uint64(w, "total_recv_wrs", device_stats->total_recv_wrs);
    1181   [ #  #  #  # ]:          0 :                 spdk_json_write_named_uint64(w, "recv_doorbell_updates", device_stats->recv_doorbell_updates);
    1182                 :          0 :                 spdk_json_write_object_end(w);
    1183                 :          0 :         }
    1184                 :          0 :         spdk_json_write_array_end(w);
    1185                 :          0 : }
    1186                 :            : 
    1187                 :            : static void
    1188                 :          0 : rpc_bdev_nvme_pcie_stats(struct spdk_json_write_ctx *w,
    1189                 :            :                          struct spdk_nvme_transport_poll_group_stat *stat)
    1190                 :            : {
    1191   [ #  #  #  #  :          0 :         spdk_json_write_named_uint64(w, "polls", stat->pcie.polls);
             #  #  #  # ]
    1192   [ #  #  #  #  :          0 :         spdk_json_write_named_uint64(w, "idle_polls", stat->pcie.idle_polls);
             #  #  #  # ]
    1193   [ #  #  #  #  :          0 :         spdk_json_write_named_uint64(w, "completions", stat->pcie.completions);
             #  #  #  # ]
    1194   [ #  #  #  #  :          0 :         spdk_json_write_named_uint64(w, "cq_mmio_doorbell_updates", stat->pcie.cq_mmio_doorbell_updates);
             #  #  #  # ]
    1195                 :          0 :         spdk_json_write_named_uint64(w, "cq_shadow_doorbell_updates",
    1196   [ #  #  #  #  :          0 :                                      stat->pcie.cq_shadow_doorbell_updates);
             #  #  #  # ]
    1197   [ #  #  #  #  :          0 :         spdk_json_write_named_uint64(w, "queued_requests", stat->pcie.queued_requests);
             #  #  #  # ]
    1198   [ #  #  #  #  :          0 :         spdk_json_write_named_uint64(w, "submitted_requests", stat->pcie.submitted_requests);
             #  #  #  # ]
    1199   [ #  #  #  #  :          0 :         spdk_json_write_named_uint64(w, "sq_mmio_doorbell_updates", stat->pcie.sq_mmio_doorbell_updates);
             #  #  #  # ]
    1200                 :          0 :         spdk_json_write_named_uint64(w, "sq_shadow_doorbell_updates",
    1201   [ #  #  #  #  :          0 :                                      stat->pcie.sq_shadow_doorbell_updates);
             #  #  #  # ]
    1202                 :          0 : }
    1203                 :            : 
    1204                 :            : static void
    1205                 :          0 : rpc_bdev_nvme_tcp_stats(struct spdk_json_write_ctx *w,
    1206                 :            :                         struct spdk_nvme_transport_poll_group_stat *stat)
    1207                 :            : {
    1208   [ #  #  #  #  :          0 :         spdk_json_write_named_uint64(w, "polls", stat->tcp.polls);
             #  #  #  # ]
    1209   [ #  #  #  #  :          0 :         spdk_json_write_named_uint64(w, "idle_polls", stat->tcp.idle_polls);
             #  #  #  # ]
    1210   [ #  #  #  #  :          0 :         spdk_json_write_named_uint64(w, "socket_completions", stat->tcp.socket_completions);
             #  #  #  # ]
    1211   [ #  #  #  #  :          0 :         spdk_json_write_named_uint64(w, "nvme_completions", stat->tcp.nvme_completions);
             #  #  #  # ]
    1212   [ #  #  #  #  :          0 :         spdk_json_write_named_uint64(w, "queued_requests", stat->tcp.queued_requests);
             #  #  #  # ]
    1213   [ #  #  #  #  :          0 :         spdk_json_write_named_uint64(w, "submitted_requests", stat->tcp.submitted_requests);
             #  #  #  # ]
    1214                 :          0 : }
    1215                 :            : 
    1216                 :            : static void
    1217                 :          0 : rpc_bdev_nvme_stats_per_channel(struct spdk_io_channel_iter *i)
    1218                 :            : {
    1219                 :            :         struct rpc_bdev_nvme_transport_stat_ctx *ctx;
    1220                 :            :         struct spdk_io_channel *ch;
    1221                 :            :         struct nvme_poll_group *group;
    1222                 :          0 :         struct spdk_nvme_poll_group_stat *stat;
    1223                 :            :         struct spdk_nvme_transport_poll_group_stat *tr_stat;
    1224                 :            :         uint32_t j;
    1225                 :            :         int rc;
    1226                 :            : 
    1227                 :          0 :         ctx = spdk_io_channel_iter_get_ctx(i);
    1228                 :          0 :         ch = spdk_io_channel_iter_get_channel(i);
    1229                 :          0 :         group = spdk_io_channel_get_ctx(ch);
    1230                 :            : 
    1231   [ #  #  #  # ]:          0 :         rc = spdk_nvme_poll_group_get_stats(group->group, &stat);
    1232         [ #  # ]:          0 :         if (rc) {
    1233                 :          0 :                 spdk_for_each_channel_continue(i, rc);
    1234                 :          0 :                 return;
    1235                 :            :         }
    1236                 :            : 
    1237   [ #  #  #  # ]:          0 :         spdk_json_write_object_begin(ctx->w);
    1238   [ #  #  #  # ]:          0 :         spdk_json_write_named_string(ctx->w, "thread", spdk_thread_get_name(spdk_get_thread()));
    1239   [ #  #  #  # ]:          0 :         spdk_json_write_named_array_begin(ctx->w, "transports");
    1240                 :            : 
    1241   [ #  #  #  #  :          0 :         for (j = 0; j < stat->num_transports; j++) {
                   #  # ]
    1242   [ #  #  #  #  :          0 :                 tr_stat = stat->transport_stat[j];
             #  #  #  # ]
    1243   [ #  #  #  # ]:          0 :                 spdk_json_write_object_begin(ctx->w);
    1244   [ #  #  #  #  :          0 :                 spdk_json_write_named_string(ctx->w, "trname", spdk_nvme_transport_id_trtype_str(tr_stat->trtype));
             #  #  #  # ]
    1245                 :            : 
    1246   [ #  #  #  #  :          0 :                 switch (stat->transport_stat[j]->trtype) {
          #  #  #  #  #  
          #  #  #  #  #  
                   #  # ]
    1247                 :          0 :                 case SPDK_NVME_TRANSPORT_RDMA:
    1248   [ #  #  #  # ]:          0 :                         rpc_bdev_nvme_rdma_stats(ctx->w, tr_stat);
    1249                 :          0 :                         break;
    1250                 :          0 :                 case SPDK_NVME_TRANSPORT_PCIE:
    1251                 :            :                 case SPDK_NVME_TRANSPORT_VFIOUSER:
    1252   [ #  #  #  # ]:          0 :                         rpc_bdev_nvme_pcie_stats(ctx->w, tr_stat);
    1253                 :          0 :                         break;
    1254                 :          0 :                 case SPDK_NVME_TRANSPORT_TCP:
    1255   [ #  #  #  # ]:          0 :                         rpc_bdev_nvme_tcp_stats(ctx->w, tr_stat);
    1256                 :          0 :                         break;
    1257                 :          0 :                 default:
    1258   [ #  #  #  #  :          0 :                         SPDK_WARNLOG("Can't handle trtype %d %s\n", tr_stat->trtype,
             #  #  #  # ]
    1259                 :            :                                      spdk_nvme_transport_id_trtype_str(tr_stat->trtype));
    1260                 :          0 :                 }
    1261   [ #  #  #  # ]:          0 :                 spdk_json_write_object_end(ctx->w);
    1262                 :          0 :         }
    1263                 :            :         /* transports array */
    1264   [ #  #  #  # ]:          0 :         spdk_json_write_array_end(ctx->w);
    1265   [ #  #  #  # ]:          0 :         spdk_json_write_object_end(ctx->w);
    1266                 :            : 
    1267   [ #  #  #  # ]:          0 :         spdk_nvme_poll_group_free_stats(group->group, stat);
    1268                 :          0 :         spdk_for_each_channel_continue(i, 0);
    1269                 :          0 : }
    1270                 :            : 
    1271                 :            : static void
    1272                 :          0 : rpc_bdev_nvme_stats_done(struct spdk_io_channel_iter *i, int status)
    1273                 :            : {
    1274                 :          0 :         struct rpc_bdev_nvme_transport_stat_ctx *ctx = spdk_io_channel_iter_get_ctx(i);
    1275                 :            : 
    1276   [ #  #  #  # ]:          0 :         spdk_json_write_array_end(ctx->w);
    1277   [ #  #  #  # ]:          0 :         spdk_json_write_object_end(ctx->w);
    1278   [ #  #  #  #  :          0 :         spdk_jsonrpc_end_result(ctx->request, ctx->w);
             #  #  #  # ]
    1279                 :          0 :         free(ctx);
    1280                 :          0 : }
    1281                 :            : 
    1282                 :            : static void
    1283                 :          0 : rpc_bdev_nvme_get_transport_statistics(struct spdk_jsonrpc_request *request,
    1284                 :            :                                        const struct spdk_json_val *params)
    1285                 :            : {
    1286                 :            :         struct rpc_bdev_nvme_transport_stat_ctx *ctx;
    1287                 :            : 
    1288         [ #  # ]:          0 :         if (params) {
    1289                 :          0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
    1290                 :            :                                                  "'bdev_nvme_get_transport_statistics' requires no arguments");
    1291                 :          0 :                 return;
    1292                 :            :         }
    1293                 :            : 
    1294                 :          0 :         ctx = calloc(1, sizeof(*ctx));
    1295         [ #  # ]:          0 :         if (!ctx) {
    1296                 :          0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
    1297                 :            :                                                  "Memory allocation error");
    1298                 :          0 :                 return;
    1299                 :            :         }
    1300   [ #  #  #  # ]:          0 :         ctx->request = request;
    1301   [ #  #  #  #  :          0 :         ctx->w = spdk_jsonrpc_begin_result(ctx->request);
             #  #  #  # ]
    1302   [ #  #  #  # ]:          0 :         spdk_json_write_object_begin(ctx->w);
    1303   [ #  #  #  # ]:          0 :         spdk_json_write_named_array_begin(ctx->w, "poll_groups");
    1304                 :            : 
    1305                 :          0 :         spdk_for_each_channel(&g_nvme_bdev_ctrlrs,
    1306                 :            :                               rpc_bdev_nvme_stats_per_channel,
    1307                 :          0 :                               ctx,
    1308                 :            :                               rpc_bdev_nvme_stats_done);
    1309                 :          0 : }
    1310                 :       2134 : SPDK_RPC_REGISTER("bdev_nvme_get_transport_statistics", rpc_bdev_nvme_get_transport_statistics,
    1311                 :            :                   SPDK_RPC_RUNTIME)
    1312                 :            : 
    1313                 :            : struct rpc_bdev_nvme_controller_op_req {
    1314                 :            :         char *name;
    1315                 :            :         uint16_t cntlid;
    1316                 :            : };
    1317                 :            : 
    1318                 :            : static void
    1319                 :          9 : free_rpc_bdev_nvme_controller_op_req(struct rpc_bdev_nvme_controller_op_req *r)
    1320                 :            : {
    1321   [ #  #  #  # ]:          9 :         free(r->name);
    1322                 :          9 : }
    1323                 :            : 
    1324                 :            : static const struct spdk_json_object_decoder rpc_bdev_nvme_controller_op_req_decoders[] = {
    1325                 :            :         {"name", offsetof(struct rpc_bdev_nvme_controller_op_req, name), spdk_json_decode_string},
    1326                 :            :         {"cntlid", offsetof(struct rpc_bdev_nvme_controller_op_req, cntlid), spdk_json_decode_uint16, true},
    1327                 :            : };
    1328                 :            : 
    1329                 :            : static void
    1330                 :          9 : rpc_bdev_nvme_controller_op_cb(void *cb_arg, int rc)
    1331                 :            : {
    1332                 :          9 :         struct spdk_jsonrpc_request *request = cb_arg;
    1333                 :            : 
    1334         [ +  - ]:          9 :         if (rc == 0) {
    1335                 :          9 :                 spdk_jsonrpc_send_bool_response(request, true);
    1336                 :          0 :         } else {
    1337         [ #  # ]:          0 :                 spdk_jsonrpc_send_error_response(request, rc, spdk_strerror(-rc));
    1338                 :            :         }
    1339                 :          9 : }
    1340                 :            : 
    1341                 :            : static void
    1342                 :          9 : rpc_bdev_nvme_controller_op(struct spdk_jsonrpc_request *request,
    1343                 :            :                             const struct spdk_json_val *params,
    1344                 :            :                             enum nvme_ctrlr_op op)
    1345                 :            : {
    1346                 :          9 :         struct rpc_bdev_nvme_controller_op_req req = {NULL};
    1347                 :            :         struct nvme_bdev_ctrlr *nbdev_ctrlr;
    1348                 :            :         struct nvme_ctrlr *nvme_ctrlr;
    1349                 :            : 
    1350         [ -  + ]:          9 :         if (spdk_json_decode_object(params, rpc_bdev_nvme_controller_op_req_decoders,
    1351                 :            :                                     SPDK_COUNTOF(rpc_bdev_nvme_controller_op_req_decoders),
    1352                 :            :                                     &req)) {
    1353                 :          0 :                 SPDK_ERRLOG("spdk_json_decode_object failed\n");
    1354                 :          0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, spdk_strerror(EINVAL));
    1355                 :          0 :                 goto exit;
    1356                 :            :         }
    1357                 :            : 
    1358                 :          9 :         nbdev_ctrlr = nvme_bdev_ctrlr_get_by_name(req.name);
    1359         [ -  + ]:          9 :         if (nbdev_ctrlr == NULL) {
    1360                 :          0 :                 SPDK_ERRLOG("Failed at NVMe bdev controller lookup\n");
    1361                 :          0 :                 spdk_jsonrpc_send_error_response(request, -ENODEV, spdk_strerror(ENODEV));
    1362                 :          0 :                 goto exit;
    1363                 :            :         }
    1364                 :            : 
    1365   [ +  -  #  # ]:          9 :         if (req.cntlid == 0) {
    1366                 :          9 :                 nvme_bdev_ctrlr_op_rpc(nbdev_ctrlr, op, rpc_bdev_nvme_controller_op_cb, request);
    1367                 :          0 :         } else {
    1368         [ #  # ]:          0 :                 nvme_ctrlr = nvme_bdev_ctrlr_get_ctrlr_by_id(nbdev_ctrlr, req.cntlid);
    1369         [ #  # ]:          0 :                 if (nvme_ctrlr == NULL) {
    1370                 :          0 :                         SPDK_ERRLOG("Failed at NVMe controller lookup\n");
    1371                 :          0 :                         spdk_jsonrpc_send_error_response(request, -ENODEV, spdk_strerror(ENODEV));
    1372                 :          0 :                         goto exit;
    1373                 :            :                 }
    1374                 :          0 :                 nvme_ctrlr_op_rpc(nvme_ctrlr, op, rpc_bdev_nvme_controller_op_cb, request);
    1375                 :            :         }
    1376                 :            : 
    1377                 :          9 : exit:
    1378                 :          9 :         free_rpc_bdev_nvme_controller_op_req(&req);
    1379                 :          9 : }
    1380                 :            : 
    1381                 :            : static void
    1382                 :          9 : rpc_bdev_nvme_reset_controller(struct spdk_jsonrpc_request *request,
    1383                 :            :                                const struct spdk_json_val *params)
    1384                 :            : {
    1385                 :          9 :         rpc_bdev_nvme_controller_op(request, params, NVME_CTRLR_OP_RESET);
    1386                 :          9 : }
    1387                 :       2134 : SPDK_RPC_REGISTER("bdev_nvme_reset_controller", rpc_bdev_nvme_reset_controller, SPDK_RPC_RUNTIME)
    1388                 :            : 
    1389                 :            : static void
    1390                 :          0 : rpc_bdev_nvme_enable_controller(struct spdk_jsonrpc_request *request,
    1391                 :            :                                 const struct spdk_json_val *params)
    1392                 :            : {
    1393                 :          0 :         rpc_bdev_nvme_controller_op(request, params, NVME_CTRLR_OP_ENABLE);
    1394                 :          0 : }
    1395                 :       2134 : SPDK_RPC_REGISTER("bdev_nvme_enable_controller", rpc_bdev_nvme_enable_controller, SPDK_RPC_RUNTIME)
    1396                 :            : 
    1397                 :            : static void
    1398                 :          0 : rpc_bdev_nvme_disable_controller(struct spdk_jsonrpc_request *request,
    1399                 :            :                                  const struct spdk_json_val *params)
    1400                 :            : {
    1401                 :          0 :         rpc_bdev_nvme_controller_op(request, params, NVME_CTRLR_OP_DISABLE);
    1402                 :          0 : }
    1403                 :       2134 : SPDK_RPC_REGISTER("bdev_nvme_disable_controller", rpc_bdev_nvme_disable_controller,
    1404                 :            :                   SPDK_RPC_RUNTIME)
    1405                 :            : 
    1406                 :            : struct rpc_get_controller_health_info {
    1407                 :            :         char *name;
    1408                 :            : };
    1409                 :            : 
    1410                 :            : struct spdk_nvme_health_info_context {
    1411                 :            :         struct spdk_jsonrpc_request *request;
    1412                 :            :         struct spdk_nvme_ctrlr *ctrlr;
    1413                 :            :         struct spdk_nvme_health_information_page health_page;
    1414                 :            : };
    1415                 :            : 
    1416                 :            : static void
    1417                 :          0 : free_rpc_get_controller_health_info(struct rpc_get_controller_health_info *r)
    1418                 :            : {
    1419   [ #  #  #  # ]:          0 :         free(r->name);
    1420                 :          0 : }
    1421                 :            : 
    1422                 :            : static const struct spdk_json_object_decoder rpc_get_controller_health_info_decoders[] = {
    1423                 :            :         {"name", offsetof(struct rpc_get_controller_health_info, name), spdk_json_decode_string, true},
    1424                 :            : };
    1425                 :            : 
    1426                 :            : static void
    1427                 :          0 : nvme_health_info_cleanup(struct spdk_nvme_health_info_context *context, bool response)
    1428                 :            : {
    1429   [ #  #  #  # ]:          0 :         if (response == true) {
    1430   [ #  #  #  # ]:          0 :                 spdk_jsonrpc_send_error_response(context->request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
    1431                 :            :                                                  "Internal error.");
    1432                 :          0 :         }
    1433                 :            : 
    1434                 :          0 :         free(context);
    1435                 :          0 : }
    1436                 :            : 
    1437                 :            : static void
    1438                 :          0 : get_health_log_page_completion(void *cb_arg, const struct spdk_nvme_cpl *cpl)
    1439                 :            : {
    1440                 :            :         int i;
    1441                 :          0 :         char buf[128];
    1442                 :          0 :         struct spdk_nvme_health_info_context *context = cb_arg;
    1443   [ #  #  #  # ]:          0 :         struct spdk_jsonrpc_request *request = context->request;
    1444                 :            :         struct spdk_json_write_ctx *w;
    1445   [ #  #  #  # ]:          0 :         struct spdk_nvme_ctrlr *ctrlr = context->ctrlr;
    1446                 :          0 :         const struct spdk_nvme_transport_id *trid = NULL;
    1447                 :          0 :         const struct spdk_nvme_ctrlr_data *cdata = NULL;
    1448                 :          0 :         struct spdk_nvme_health_information_page *health_page = NULL;
    1449                 :            : 
    1450   [ #  #  #  #  :          0 :         if (spdk_nvme_cpl_is_error(cpl)) {
          #  #  #  #  #  
          #  #  #  #  #  
                   #  # ]
    1451                 :          0 :                 nvme_health_info_cleanup(context, true);
    1452                 :          0 :                 SPDK_ERRLOG("get log page failed\n");
    1453                 :          0 :                 return;
    1454                 :            :         }
    1455                 :            : 
    1456         [ #  # ]:          0 :         if (ctrlr == NULL) {
    1457                 :          0 :                 nvme_health_info_cleanup(context, true);
    1458                 :          0 :                 SPDK_ERRLOG("ctrlr is NULL\n");
    1459                 :          0 :                 return;
    1460                 :            :         } else {
    1461                 :          0 :                 trid = spdk_nvme_ctrlr_get_transport_id(ctrlr);
    1462                 :          0 :                 cdata = spdk_nvme_ctrlr_get_data(ctrlr);
    1463         [ #  # ]:          0 :                 health_page = &(context->health_page);
    1464                 :            :         }
    1465                 :            : 
    1466                 :          0 :         w = spdk_jsonrpc_begin_result(request);
    1467                 :            : 
    1468                 :          0 :         spdk_json_write_object_begin(w);
    1469         [ #  # ]:          0 :         snprintf(buf, sizeof(cdata->mn) + 1, "%s", cdata->mn);
    1470                 :          0 :         spdk_str_trim(buf);
    1471                 :          0 :         spdk_json_write_named_string(w, "model_number", buf);
    1472         [ #  # ]:          0 :         snprintf(buf, sizeof(cdata->sn) + 1, "%s", cdata->sn);
    1473                 :          0 :         spdk_str_trim(buf);
    1474                 :          0 :         spdk_json_write_named_string(w, "serial_number", buf);
    1475         [ #  # ]:          0 :         snprintf(buf, sizeof(cdata->fr) + 1, "%s", cdata->fr);
    1476                 :          0 :         spdk_str_trim(buf);
    1477                 :          0 :         spdk_json_write_named_string(w, "firmware_revision", buf);
    1478         [ #  # ]:          0 :         spdk_json_write_named_string(w, "traddr", trid->traddr);
    1479   [ #  #  #  #  :          0 :         spdk_json_write_named_uint64(w, "critical_warning", health_page->critical_warning.raw);
                   #  # ]
    1480   [ #  #  #  #  :          0 :         spdk_json_write_named_uint64(w, "temperature_celsius", health_page->temperature - 273);
                   #  # ]
    1481   [ #  #  #  # ]:          0 :         spdk_json_write_named_uint64(w, "available_spare_percentage", health_page->available_spare);
    1482                 :          0 :         spdk_json_write_named_uint64(w, "available_spare_threshold_percentage",
    1483   [ #  #  #  # ]:          0 :                                      health_page->available_spare_threshold);
    1484   [ #  #  #  # ]:          0 :         spdk_json_write_named_uint64(w, "percentage_used", health_page->percentage_used);
    1485                 :          0 :         spdk_json_write_named_uint128(w, "data_units_read",
    1486   [ #  #  #  #  :          0 :                                       health_page->data_units_read[0], health_page->data_units_read[1]);
          #  #  #  #  #  
          #  #  #  #  #  
                   #  # ]
    1487                 :          0 :         spdk_json_write_named_uint128(w, "data_units_written",
    1488   [ #  #  #  #  :          0 :                                       health_page->data_units_written[0], health_page->data_units_written[1]);
          #  #  #  #  #  
          #  #  #  #  #  
                   #  # ]
    1489                 :          0 :         spdk_json_write_named_uint128(w, "host_read_commands",
    1490   [ #  #  #  #  :          0 :                                       health_page->host_read_commands[0], health_page->host_read_commands[1]);
          #  #  #  #  #  
          #  #  #  #  #  
                   #  # ]
    1491                 :          0 :         spdk_json_write_named_uint128(w, "host_write_commands",
    1492   [ #  #  #  #  :          0 :                                       health_page->host_write_commands[0], health_page->host_write_commands[1]);
          #  #  #  #  #  
          #  #  #  #  #  
                   #  # ]
    1493                 :          0 :         spdk_json_write_named_uint128(w, "controller_busy_time",
    1494   [ #  #  #  #  :          0 :                                       health_page->controller_busy_time[0], health_page->controller_busy_time[1]);
          #  #  #  #  #  
          #  #  #  #  #  
                   #  # ]
    1495                 :          0 :         spdk_json_write_named_uint128(w, "power_cycles",
    1496   [ #  #  #  #  :          0 :                                       health_page->power_cycles[0], health_page->power_cycles[1]);
          #  #  #  #  #  
          #  #  #  #  #  
                   #  # ]
    1497                 :          0 :         spdk_json_write_named_uint128(w, "power_on_hours",
    1498   [ #  #  #  #  :          0 :                                       health_page->power_on_hours[0], health_page->power_on_hours[1]);
          #  #  #  #  #  
          #  #  #  #  #  
                   #  # ]
    1499                 :          0 :         spdk_json_write_named_uint128(w, "unsafe_shutdowns",
    1500   [ #  #  #  #  :          0 :                                       health_page->unsafe_shutdowns[0], health_page->unsafe_shutdowns[1]);
          #  #  #  #  #  
          #  #  #  #  #  
                   #  # ]
    1501                 :          0 :         spdk_json_write_named_uint128(w, "media_errors",
    1502   [ #  #  #  #  :          0 :                                       health_page->media_errors[0], health_page->media_errors[1]);
          #  #  #  #  #  
          #  #  #  #  #  
                   #  # ]
    1503                 :          0 :         spdk_json_write_named_uint128(w, "num_err_log_entries",
    1504   [ #  #  #  #  :          0 :                                       health_page->num_error_info_log_entries[0], health_page->num_error_info_log_entries[1]);
          #  #  #  #  #  
          #  #  #  #  #  
                   #  # ]
    1505   [ #  #  #  # ]:          0 :         spdk_json_write_named_uint64(w, "warning_temperature_time_minutes", health_page->warning_temp_time);
    1506                 :          0 :         spdk_json_write_named_uint64(w, "critical_composite_temperature_time_minutes",
    1507   [ #  #  #  # ]:          0 :                                      health_page->critical_temp_time);
    1508   [ #  #  #  # ]:          0 :         for (i = 0; i < 8; i++) {
    1509   [ #  #  #  #  :          0 :                 if (health_page->temp_sensor[i] != 0) {
          #  #  #  #  #  
                      # ]
    1510   [ #  #  #  #  :          0 :                         spdk_json_write_named_uint64(w, "temperature_sensor_celsius", health_page->temp_sensor[i] - 273);
          #  #  #  #  #  
                      # ]
    1511                 :          0 :                 }
    1512                 :          0 :         }
    1513                 :          0 :         spdk_json_write_object_end(w);
    1514                 :            : 
    1515                 :          0 :         spdk_jsonrpc_end_result(request, w);
    1516                 :          0 :         nvme_health_info_cleanup(context, false);
    1517                 :          0 : }
    1518                 :            : 
    1519                 :            : static void
    1520                 :          0 : get_health_log_page(struct spdk_nvme_health_info_context *context)
    1521                 :            : {
    1522   [ #  #  #  # ]:          0 :         struct spdk_nvme_ctrlr *ctrlr = context->ctrlr;
    1523                 :            : 
    1524         [ #  # ]:          0 :         if (spdk_nvme_ctrlr_cmd_get_log_page(ctrlr, SPDK_NVME_LOG_HEALTH_INFORMATION,
    1525                 :            :                                              SPDK_NVME_GLOBAL_NS_TAG,
    1526         [ #  # ]:          0 :                                              &(context->health_page), sizeof(context->health_page), 0,
    1527                 :          0 :                                              get_health_log_page_completion, context)) {
    1528                 :          0 :                 nvme_health_info_cleanup(context, true);
    1529                 :          0 :                 SPDK_ERRLOG("spdk_nvme_ctrlr_cmd_get_log_page() failed\n");
    1530                 :          0 :         }
    1531                 :          0 : }
    1532                 :            : 
    1533                 :            : static void
    1534                 :          0 : get_temperature_threshold_feature_completion(void *cb_arg, const struct spdk_nvme_cpl *cpl)
    1535                 :            : {
    1536                 :          0 :         struct spdk_nvme_health_info_context *context = cb_arg;
    1537                 :            : 
    1538   [ #  #  #  #  :          0 :         if (spdk_nvme_cpl_is_error(cpl)) {
          #  #  #  #  #  
          #  #  #  #  #  
                   #  # ]
    1539                 :          0 :                 nvme_health_info_cleanup(context, true);
    1540                 :          0 :                 SPDK_ERRLOG("feature SPDK_NVME_FEAT_TEMPERATURE_THRESHOLD failed in completion\n");
    1541                 :          0 :         } else {
    1542                 :          0 :                 get_health_log_page(context);
    1543                 :            :         }
    1544                 :          0 : }
    1545                 :            : 
    1546                 :            : static int
    1547                 :          0 : get_temperature_threshold_feature(struct spdk_nvme_health_info_context *context)
    1548                 :            : {
    1549                 :          0 :         struct spdk_nvme_cmd cmd = {};
    1550                 :            : 
    1551                 :          0 :         cmd.opc = SPDK_NVME_OPC_GET_FEATURES;
    1552   [ #  #  #  # ]:          0 :         cmd.cdw10 = SPDK_NVME_FEAT_TEMPERATURE_THRESHOLD;
    1553                 :            : 
    1554   [ #  #  #  # ]:          0 :         return spdk_nvme_ctrlr_cmd_admin_raw(context->ctrlr, &cmd, NULL, 0,
    1555                 :          0 :                                              get_temperature_threshold_feature_completion, context);
    1556                 :            : }
    1557                 :            : 
    1558                 :            : static void
    1559                 :          0 : get_controller_health_info(struct spdk_jsonrpc_request *request, struct spdk_nvme_ctrlr *ctrlr)
    1560                 :            : {
    1561                 :            :         struct spdk_nvme_health_info_context *context;
    1562                 :            : 
    1563                 :          0 :         context = calloc(1, sizeof(struct spdk_nvme_health_info_context));
    1564         [ #  # ]:          0 :         if (!context) {
    1565                 :          0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
    1566                 :            :                                                  "Memory allocation error.");
    1567                 :          0 :                 return;
    1568                 :            :         }
    1569                 :            : 
    1570   [ #  #  #  # ]:          0 :         context->request = request;
    1571   [ #  #  #  # ]:          0 :         context->ctrlr = ctrlr;
    1572                 :            : 
    1573         [ #  # ]:          0 :         if (get_temperature_threshold_feature(context)) {
    1574                 :          0 :                 nvme_health_info_cleanup(context, true);
    1575                 :          0 :                 SPDK_ERRLOG("feature SPDK_NVME_FEAT_TEMPERATURE_THRESHOLD failed to submit\n");
    1576                 :          0 :         }
    1577                 :            : 
    1578                 :          0 :         return;
    1579                 :          0 : }
    1580                 :            : 
    1581                 :            : static void
    1582                 :          0 : rpc_bdev_nvme_get_controller_health_info(struct spdk_jsonrpc_request *request,
    1583                 :            :                 const struct spdk_json_val *params)
    1584                 :            : {
    1585                 :          0 :         struct rpc_get_controller_health_info req = {};
    1586                 :          0 :         struct nvme_ctrlr *nvme_ctrlr = NULL;
    1587                 :            : 
    1588         [ #  # ]:          0 :         if (!params) {
    1589                 :          0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
    1590                 :            :                                                  "Missing device name");
    1591                 :            : 
    1592                 :          0 :                 return;
    1593                 :            :         }
    1594         [ #  # ]:          0 :         if (spdk_json_decode_object(params, rpc_get_controller_health_info_decoders,
    1595                 :            :                                     SPDK_COUNTOF(rpc_get_controller_health_info_decoders), &req)) {
    1596                 :          0 :                 SPDK_ERRLOG("spdk_json_decode_object failed\n");
    1597                 :          0 :                 free_rpc_get_controller_health_info(&req);
    1598                 :          0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
    1599                 :            :                                                  "Invalid parameters");
    1600                 :            : 
    1601                 :          0 :                 return;
    1602                 :            :         }
    1603                 :            : 
    1604                 :          0 :         nvme_ctrlr = nvme_ctrlr_get_by_name(req.name);
    1605                 :            : 
    1606         [ #  # ]:          0 :         if (!nvme_ctrlr) {
    1607                 :          0 :                 SPDK_ERRLOG("nvme ctrlr name '%s' does not exist\n", req.name);
    1608                 :          0 :                 free_rpc_get_controller_health_info(&req);
    1609                 :          0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
    1610                 :            :                                                  "Device not found");
    1611                 :          0 :                 return;
    1612                 :            :         }
    1613                 :            : 
    1614   [ #  #  #  # ]:          0 :         get_controller_health_info(request, nvme_ctrlr->ctrlr);
    1615                 :          0 :         free_rpc_get_controller_health_info(&req);
    1616                 :            : 
    1617                 :          0 :         return;
    1618                 :          0 : }
    1619                 :       2134 : SPDK_RPC_REGISTER("bdev_nvme_get_controller_health_info",
    1620                 :            :                   rpc_bdev_nvme_get_controller_health_info, SPDK_RPC_RUNTIME)
    1621                 :            : 
    1622                 :            : struct rpc_bdev_nvme_start_discovery {
    1623                 :            :         char *name;
    1624                 :            :         char *trtype;
    1625                 :            :         char *adrfam;
    1626                 :            :         char *traddr;
    1627                 :            :         char *trsvcid;
    1628                 :            :         char *hostnqn;
    1629                 :            :         bool wait_for_attach;
    1630                 :            :         uint64_t attach_timeout_ms;
    1631                 :            :         struct spdk_nvme_ctrlr_opts opts;
    1632                 :            :         struct spdk_bdev_nvme_ctrlr_opts bdev_opts;
    1633                 :            : };
    1634                 :            : 
    1635                 :            : static void
    1636                 :         36 : free_rpc_bdev_nvme_start_discovery(struct rpc_bdev_nvme_start_discovery *req)
    1637                 :            : {
    1638   [ #  #  #  # ]:         36 :         free(req->name);
    1639   [ #  #  #  # ]:         36 :         free(req->trtype);
    1640   [ #  #  #  # ]:         36 :         free(req->adrfam);
    1641   [ #  #  #  # ]:         36 :         free(req->traddr);
    1642   [ #  #  #  # ]:         36 :         free(req->trsvcid);
    1643   [ #  #  #  # ]:         36 :         free(req->hostnqn);
    1644                 :         36 : }
    1645                 :            : 
    1646                 :            : static const struct spdk_json_object_decoder rpc_bdev_nvme_start_discovery_decoders[] = {
    1647                 :            :         {"name", offsetof(struct rpc_bdev_nvme_start_discovery, name), spdk_json_decode_string},
    1648                 :            :         {"trtype", offsetof(struct rpc_bdev_nvme_start_discovery, trtype), spdk_json_decode_string},
    1649                 :            :         {"traddr", offsetof(struct rpc_bdev_nvme_start_discovery, traddr), spdk_json_decode_string},
    1650                 :            :         {"adrfam", offsetof(struct rpc_bdev_nvme_start_discovery, adrfam), spdk_json_decode_string, true},
    1651                 :            :         {"trsvcid", offsetof(struct rpc_bdev_nvme_start_discovery, trsvcid), spdk_json_decode_string, true},
    1652                 :            :         {"hostnqn", offsetof(struct rpc_bdev_nvme_start_discovery, hostnqn), spdk_json_decode_string, true},
    1653                 :            :         {"wait_for_attach", offsetof(struct rpc_bdev_nvme_start_discovery, wait_for_attach), spdk_json_decode_bool, true},
    1654                 :            :         {"attach_timeout_ms", offsetof(struct rpc_bdev_nvme_start_discovery, attach_timeout_ms), spdk_json_decode_uint64, true},
    1655                 :            :         {"ctrlr_loss_timeout_sec", offsetof(struct rpc_bdev_nvme_start_discovery, bdev_opts.ctrlr_loss_timeout_sec), spdk_json_decode_int32, true},
    1656                 :            :         {"reconnect_delay_sec", offsetof(struct rpc_bdev_nvme_start_discovery, bdev_opts.reconnect_delay_sec), spdk_json_decode_uint32, true},
    1657                 :            :         {"fast_io_fail_timeout_sec", offsetof(struct rpc_bdev_nvme_start_discovery, bdev_opts.fast_io_fail_timeout_sec), spdk_json_decode_uint32, true},
    1658                 :            : };
    1659                 :            : 
    1660                 :            : struct rpc_bdev_nvme_start_discovery_ctx {
    1661                 :            :         struct rpc_bdev_nvme_start_discovery req;
    1662                 :            :         struct spdk_jsonrpc_request *request;
    1663                 :            : };
    1664                 :            : 
    1665                 :            : static void
    1666                 :         30 : rpc_bdev_nvme_start_discovery_done(void *ctx, int status)
    1667                 :            : {
    1668                 :         30 :         struct spdk_jsonrpc_request *request = ctx;
    1669                 :            : 
    1670         [ +  + ]:         30 :         if (status != 0) {
    1671         [ #  # ]:          5 :                 spdk_jsonrpc_send_error_response(request, status, spdk_strerror(-status));
    1672                 :          0 :         } else {
    1673                 :         25 :                 spdk_jsonrpc_send_bool_response(request, true);
    1674                 :            :         }
    1675                 :         30 : }
    1676                 :            : 
    1677                 :            : static void
    1678                 :         36 : rpc_bdev_nvme_start_discovery(struct spdk_jsonrpc_request *request,
    1679                 :            :                               const struct spdk_json_val *params)
    1680                 :            : {
    1681                 :            :         struct rpc_bdev_nvme_start_discovery_ctx *ctx;
    1682                 :         36 :         struct spdk_nvme_transport_id trid = {};
    1683                 :            :         size_t len, maxlen;
    1684                 :            :         int rc;
    1685                 :            :         spdk_bdev_nvme_start_discovery_fn cb_fn;
    1686                 :            :         void *cb_ctx;
    1687                 :            : 
    1688                 :         36 :         ctx = calloc(1, sizeof(*ctx));
    1689         [ -  + ]:         36 :         if (!ctx) {
    1690                 :          0 :                 spdk_jsonrpc_send_error_response(request, -ENOMEM, spdk_strerror(ENOMEM));
    1691                 :          0 :                 return;
    1692                 :            :         }
    1693                 :            : 
    1694   [ #  #  #  # ]:         36 :         spdk_nvme_ctrlr_get_default_ctrlr_opts(&ctx->req.opts, sizeof(ctx->req.opts));
    1695                 :            : 
    1696         [ -  + ]:         36 :         if (spdk_json_decode_object(params, rpc_bdev_nvme_start_discovery_decoders,
    1697                 :            :                                     SPDK_COUNTOF(rpc_bdev_nvme_start_discovery_decoders),
    1698         [ #  # ]:         36 :                                     &ctx->req)) {
    1699                 :          0 :                 SPDK_ERRLOG("spdk_json_decode_object failed\n");
    1700                 :          0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
    1701                 :            :                                                  "spdk_json_decode_object failed");
    1702                 :          0 :                 goto cleanup;
    1703                 :            :         }
    1704                 :            : 
    1705                 :            :         /* Parse trstring */
    1706   [ #  #  #  #  :         36 :         rc = spdk_nvme_transport_id_populate_trstring(&trid, ctx->req.trtype);
                   #  # ]
    1707         [ -  + ]:         36 :         if (rc < 0) {
    1708   [ #  #  #  #  :          0 :                 SPDK_ERRLOG("Failed to parse trtype: %s\n", ctx->req.trtype);
                   #  # ]
    1709                 :          0 :                 spdk_jsonrpc_send_error_response_fmt(request, -EINVAL, "Failed to parse trtype: %s",
    1710   [ #  #  #  #  :          0 :                                                      ctx->req.trtype);
                   #  # ]
    1711                 :          0 :                 goto cleanup;
    1712                 :            :         }
    1713                 :            : 
    1714                 :            :         /* Parse trtype */
    1715   [ #  #  #  #  :         36 :         rc = spdk_nvme_transport_id_parse_trtype(&trid.trtype, ctx->req.trtype);
                   #  # ]
    1716   [ -  +  #  # ]:         36 :         assert(rc == 0);
    1717                 :            : 
    1718                 :            :         /* Parse traddr */
    1719                 :         36 :         maxlen = sizeof(trid.traddr);
    1720   [ -  +  #  #  :         36 :         len = strnlen(ctx->req.traddr, maxlen);
             #  #  #  # ]
    1721         [ -  + ]:         36 :         if (len == maxlen) {
    1722                 :          0 :                 spdk_jsonrpc_send_error_response_fmt(request, -EINVAL, "traddr too long: %s",
    1723   [ #  #  #  #  :          0 :                                                      ctx->req.traddr);
                   #  # ]
    1724                 :          0 :                 goto cleanup;
    1725                 :            :         }
    1726   [ -  +  #  #  :         36 :         memcpy(trid.traddr, ctx->req.traddr, len + 1);
          #  #  #  #  #  
                      # ]
    1727                 :            : 
    1728                 :            :         /* Parse adrfam */
    1729   [ +  -  #  #  :         36 :         if (ctx->req.adrfam) {
             #  #  #  # ]
    1730   [ #  #  #  #  :         36 :                 rc = spdk_nvme_transport_id_parse_adrfam(&trid.adrfam, ctx->req.adrfam);
                   #  # ]
    1731         [ -  + ]:         36 :                 if (rc < 0) {
    1732   [ #  #  #  #  :          0 :                         SPDK_ERRLOG("Failed to parse adrfam: %s\n", ctx->req.adrfam);
                   #  # ]
    1733                 :          0 :                         spdk_jsonrpc_send_error_response_fmt(request, -EINVAL, "Failed to parse adrfam: %s",
    1734   [ #  #  #  #  :          0 :                                                              ctx->req.adrfam);
                   #  # ]
    1735                 :          0 :                         goto cleanup;
    1736                 :            :                 }
    1737                 :          0 :         }
    1738                 :            : 
    1739                 :            :         /* Parse trsvcid */
    1740   [ +  -  #  #  :         36 :         if (ctx->req.trsvcid) {
             #  #  #  # ]
    1741                 :         36 :                 maxlen = sizeof(trid.trsvcid);
    1742   [ -  +  #  #  :         36 :                 len = strnlen(ctx->req.trsvcid, maxlen);
             #  #  #  # ]
    1743         [ -  + ]:         36 :                 if (len == maxlen) {
    1744                 :          0 :                         spdk_jsonrpc_send_error_response_fmt(request, -EINVAL, "trsvcid too long: %s",
    1745   [ #  #  #  #  :          0 :                                                              ctx->req.trsvcid);
                   #  # ]
    1746                 :          0 :                         goto cleanup;
    1747                 :            :                 }
    1748   [ -  +  #  #  :         36 :                 memcpy(trid.trsvcid, ctx->req.trsvcid, len + 1);
          #  #  #  #  #  
                      # ]
    1749                 :          0 :         }
    1750                 :            : 
    1751   [ +  -  #  #  :         36 :         if (ctx->req.hostnqn) {
             #  #  #  # ]
    1752   [ #  #  #  #  :         36 :                 snprintf(ctx->req.opts.hostnqn, sizeof(ctx->req.opts.hostnqn), "%s",
                   #  # ]
    1753   [ #  #  #  #  :          0 :                          ctx->req.hostnqn);
                   #  # ]
    1754                 :          0 :         }
    1755                 :            : 
    1756   [ +  +  #  #  :         36 :         if (ctx->req.attach_timeout_ms != 0) {
             #  #  #  # ]
    1757   [ #  #  #  #  :         21 :                 ctx->req.wait_for_attach = true;
                   #  # ]
    1758                 :          0 :         }
    1759                 :            : 
    1760   [ #  #  #  # ]:         36 :         ctx->request = request;
    1761   [ -  +  +  +  :         36 :         cb_fn = ctx->req.wait_for_attach ? rpc_bdev_nvme_start_discovery_done : NULL;
             #  #  #  # ]
    1762   [ -  +  +  +  :         36 :         cb_ctx = ctx->req.wait_for_attach ? request : NULL;
          #  #  #  #  #  
                      # ]
    1763   [ #  #  #  #  :         36 :         rc = bdev_nvme_start_discovery(&trid, ctx->req.name, &ctx->req.opts, &ctx->req.bdev_opts,
          #  #  #  #  #  
             #  #  #  #  
                      # ]
    1764   [ #  #  #  #  :          0 :                                        ctx->req.attach_timeout_ms, false, cb_fn, cb_ctx);
                   #  # ]
    1765         [ +  + ]:         36 :         if (rc) {
    1766         [ #  # ]:          6 :                 spdk_jsonrpc_send_error_response(request, rc, spdk_strerror(-rc));
    1767   [ -  +  +  +  :         30 :         } else if (!ctx->req.wait_for_attach) {
          #  #  #  #  #  
                      # ]
    1768                 :          3 :                 rpc_bdev_nvme_start_discovery_done(request, 0);
    1769                 :          0 :         }
    1770                 :            : 
    1771                 :         27 : cleanup:
    1772         [ #  # ]:         36 :         free_rpc_bdev_nvme_start_discovery(&ctx->req);
    1773                 :         36 :         free(ctx);
    1774                 :          0 : }
    1775                 :       2134 : SPDK_RPC_REGISTER("bdev_nvme_start_discovery", rpc_bdev_nvme_start_discovery,
    1776                 :            :                   SPDK_RPC_RUNTIME)
    1777                 :            : 
    1778                 :            : struct rpc_bdev_nvme_stop_discovery {
    1779                 :            :         char *name;
    1780                 :            : };
    1781                 :            : 
    1782                 :            : static const struct spdk_json_object_decoder rpc_bdev_nvme_stop_discovery_decoders[] = {
    1783                 :            :         {"name", offsetof(struct rpc_bdev_nvme_stop_discovery, name), spdk_json_decode_string},
    1784                 :            : };
    1785                 :            : 
    1786                 :            : struct rpc_bdev_nvme_stop_discovery_ctx {
    1787                 :            :         struct rpc_bdev_nvme_stop_discovery req;
    1788                 :            :         struct spdk_jsonrpc_request *request;
    1789                 :            : };
    1790                 :            : 
    1791                 :            : static void
    1792                 :         19 : rpc_bdev_nvme_stop_discovery_done(void *cb_ctx)
    1793                 :            : {
    1794                 :         19 :         struct rpc_bdev_nvme_stop_discovery_ctx *ctx = cb_ctx;
    1795                 :            : 
    1796   [ #  #  #  # ]:         19 :         spdk_jsonrpc_send_bool_response(ctx->request, true);
    1797   [ #  #  #  #  :         19 :         free(ctx->req.name);
                   #  # ]
    1798                 :         19 :         free(ctx);
    1799                 :         19 : }
    1800                 :            : 
    1801                 :            : static void
    1802                 :         19 : rpc_bdev_nvme_stop_discovery(struct spdk_jsonrpc_request *request,
    1803                 :            :                              const struct spdk_json_val *params)
    1804                 :            : {
    1805                 :            :         struct rpc_bdev_nvme_stop_discovery_ctx *ctx;
    1806                 :            :         int rc;
    1807                 :            : 
    1808                 :         19 :         ctx = calloc(1, sizeof(*ctx));
    1809         [ -  + ]:         19 :         if (!ctx) {
    1810                 :          0 :                 spdk_jsonrpc_send_error_response(request, -ENOMEM, spdk_strerror(ENOMEM));
    1811                 :          0 :                 return;
    1812                 :            :         }
    1813                 :            : 
    1814         [ -  + ]:         19 :         if (spdk_json_decode_object(params, rpc_bdev_nvme_stop_discovery_decoders,
    1815                 :            :                                     SPDK_COUNTOF(rpc_bdev_nvme_stop_discovery_decoders),
    1816         [ #  # ]:         19 :                                     &ctx->req)) {
    1817                 :          0 :                 SPDK_ERRLOG("spdk_json_decode_object failed\n");
    1818                 :          0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
    1819                 :            :                                                  "spdk_json_decode_object failed");
    1820                 :          0 :                 goto cleanup;
    1821                 :            :         }
    1822                 :            : 
    1823   [ #  #  #  # ]:         19 :         ctx->request = request;
    1824   [ #  #  #  #  :         19 :         rc = bdev_nvme_stop_discovery(ctx->req.name, rpc_bdev_nvme_stop_discovery_done, ctx);
                   #  # ]
    1825         [ -  + ]:         19 :         if (rc) {
    1826         [ #  # ]:          0 :                 spdk_jsonrpc_send_error_response(request, rc, spdk_strerror(-rc));
    1827                 :          0 :                 goto cleanup;
    1828                 :            :         }
    1829                 :            : 
    1830                 :         19 :         return;
    1831                 :            : 
    1832                 :          0 : cleanup:
    1833   [ #  #  #  #  :          0 :         free(ctx->req.name);
                   #  # ]
    1834                 :          0 :         free(ctx);
    1835                 :          0 : }
    1836                 :       2134 : SPDK_RPC_REGISTER("bdev_nvme_stop_discovery", rpc_bdev_nvme_stop_discovery,
    1837                 :            :                   SPDK_RPC_RUNTIME)
    1838                 :            : 
    1839                 :            : static void
    1840                 :         77 : rpc_bdev_nvme_get_discovery_info(struct spdk_jsonrpc_request *request,
    1841                 :            :                                  const struct spdk_json_val *params)
    1842                 :            : {
    1843                 :            :         struct spdk_json_write_ctx *w;
    1844                 :            : 
    1845                 :         77 :         w = spdk_jsonrpc_begin_result(request);
    1846                 :         77 :         bdev_nvme_get_discovery_info(w);
    1847                 :         77 :         spdk_jsonrpc_end_result(request, w);
    1848                 :         77 : }
    1849                 :       2134 : SPDK_RPC_REGISTER("bdev_nvme_get_discovery_info", rpc_bdev_nvme_get_discovery_info,
    1850                 :            :                   SPDK_RPC_RUNTIME)
    1851                 :            : 
    1852                 :            : enum error_injection_cmd_type {
    1853                 :            :         NVME_ADMIN_CMD = 1,
    1854                 :            :         NVME_IO_CMD,
    1855                 :            : };
    1856                 :            : 
    1857                 :            : struct rpc_add_error_injection {
    1858                 :            :         char *name;
    1859                 :            :         enum error_injection_cmd_type cmd_type;
    1860                 :            :         uint8_t opc;
    1861                 :            :         bool do_not_submit;
    1862                 :            :         uint64_t timeout_in_us;
    1863                 :            :         uint32_t err_count;
    1864                 :            :         uint8_t sct;
    1865                 :            :         uint8_t sc;
    1866                 :            : };
    1867                 :            : 
    1868                 :            : static void
    1869                 :          6 : free_rpc_add_error_injection(struct rpc_add_error_injection *req)
    1870                 :            : {
    1871   [ #  #  #  # ]:          6 :         free(req->name);
    1872                 :          6 : }
    1873                 :            : 
    1874                 :            : static int
    1875                 :          6 : rpc_error_injection_decode_cmd_type(const struct spdk_json_val *val, void *out)
    1876                 :            : {
    1877                 :          6 :         int *cmd_type = out;
    1878                 :            : 
    1879         [ +  - ]:          6 :         if (spdk_json_strequal(val, "admin")) {
    1880         [ #  # ]:          6 :                 *cmd_type = NVME_ADMIN_CMD;
    1881         [ #  # ]:          0 :         } else if (spdk_json_strequal(val, "io")) {
    1882         [ #  # ]:          0 :                 *cmd_type = NVME_IO_CMD;
    1883                 :          0 :         } else {
    1884                 :          0 :                 SPDK_ERRLOG("Invalid parameter value: cmd_type\n");
    1885                 :          0 :                 return -EINVAL;
    1886                 :            :         }
    1887                 :            : 
    1888                 :          6 :         return 0;
    1889                 :          0 : }
    1890                 :            : 
    1891                 :            : static const struct spdk_json_object_decoder rpc_add_error_injection_decoders[] = {
    1892                 :            :         { "name", offsetof(struct rpc_add_error_injection, name), spdk_json_decode_string },
    1893                 :            :         { "cmd_type", offsetof(struct rpc_add_error_injection, cmd_type), rpc_error_injection_decode_cmd_type },
    1894                 :            :         { "opc", offsetof(struct rpc_add_error_injection, opc), spdk_json_decode_uint8 },
    1895                 :            :         { "do_not_submit", offsetof(struct rpc_add_error_injection, do_not_submit), spdk_json_decode_bool, true },
    1896                 :            :         { "timeout_in_us", offsetof(struct rpc_add_error_injection, timeout_in_us), spdk_json_decode_uint64, true },
    1897                 :            :         { "err_count", offsetof(struct rpc_add_error_injection, err_count), spdk_json_decode_uint32, true },
    1898                 :            :         { "sct", offsetof(struct rpc_add_error_injection, sct), spdk_json_decode_uint8, true},
    1899                 :            :         { "sc", offsetof(struct rpc_add_error_injection, sc), spdk_json_decode_uint8, true},
    1900                 :            : };
    1901                 :            : 
    1902                 :            : struct rpc_add_error_injection_ctx {
    1903                 :            :         struct spdk_jsonrpc_request *request;
    1904                 :            :         struct rpc_add_error_injection rpc;
    1905                 :            : };
    1906                 :            : 
    1907                 :            : static void
    1908                 :          0 : rpc_add_error_injection_done(struct nvme_ctrlr *nvme_ctrlr, void *_ctx, int status)
    1909                 :            : {
    1910                 :          0 :         struct rpc_add_error_injection_ctx *ctx = _ctx;
    1911                 :            : 
    1912         [ #  # ]:          0 :         if (status) {
    1913   [ #  #  #  # ]:          0 :                 spdk_jsonrpc_send_error_response(ctx->request, status,
    1914                 :            :                                                  "Failed to add the error injection.");
    1915                 :          0 :         } else {
    1916   [ #  #  #  # ]:          0 :                 spdk_jsonrpc_send_bool_response(ctx->request, true);
    1917                 :            :         }
    1918                 :            : 
    1919         [ #  # ]:          0 :         free_rpc_add_error_injection(&ctx->rpc);
    1920                 :          0 :         free(ctx);
    1921                 :          0 : }
    1922                 :            : 
    1923                 :            : static void
    1924                 :          0 : rpc_add_error_injection_per_channel(struct nvme_ctrlr_channel_iter *i,
    1925                 :            :                                     struct nvme_ctrlr *nvme_ctrlr,
    1926                 :            :                                     struct nvme_ctrlr_channel *ctrlr_ch,
    1927                 :            :                                     void *_ctx)
    1928                 :            : {
    1929                 :          0 :         struct rpc_add_error_injection_ctx *ctx = _ctx;
    1930   [ #  #  #  #  :          0 :         struct spdk_nvme_qpair *qpair = ctrlr_ch->qpair->qpair;
             #  #  #  # ]
    1931   [ #  #  #  #  :          0 :         struct spdk_nvme_ctrlr *ctrlr = ctrlr_ch->qpair->ctrlr->ctrlr;
          #  #  #  #  #  
                #  #  # ]
    1932                 :          0 :         int rc = 0;
    1933                 :            : 
    1934         [ #  # ]:          0 :         if (qpair != NULL) {
    1935   [ #  #  #  #  :          0 :                 rc = spdk_nvme_qpair_add_cmd_error_injection(ctrlr, qpair, ctx->rpc.opc,
                   #  # ]
    1936   [ #  #  #  #  :          0 :                                 ctx->rpc.do_not_submit, ctx->rpc.timeout_in_us, ctx->rpc.err_count,
          #  #  #  #  #  
          #  #  #  #  #  
          #  #  #  #  #  
                      # ]
    1937   [ #  #  #  #  :          0 :                                 ctx->rpc.sct, ctx->rpc.sc);
          #  #  #  #  #  
                #  #  # ]
    1938                 :          0 :         }
    1939                 :            : 
    1940                 :          0 :         nvme_ctrlr_for_each_channel_continue(i, rc);
    1941                 :          0 : }
    1942                 :            : 
    1943                 :            : static void
    1944                 :          6 : rpc_bdev_nvme_add_error_injection(
    1945                 :            :         struct spdk_jsonrpc_request *request,
    1946                 :            :         const struct spdk_json_val *params)
    1947                 :            : {
    1948                 :            :         struct rpc_add_error_injection_ctx *ctx;
    1949                 :            :         struct nvme_ctrlr *nvme_ctrlr;
    1950                 :            :         int rc;
    1951                 :            : 
    1952                 :          6 :         ctx = calloc(1, sizeof(*ctx));
    1953         [ -  + ]:          6 :         if (!ctx) {
    1954                 :          0 :                 spdk_jsonrpc_send_error_response(request, -ENOMEM, spdk_strerror(ENOMEM));
    1955                 :          0 :                 return;
    1956                 :            :         }
    1957   [ #  #  #  #  :          6 :         ctx->rpc.err_count = 1;
                   #  # ]
    1958   [ #  #  #  # ]:          6 :         ctx->request = request;
    1959                 :            : 
    1960         [ -  + ]:          6 :         if (spdk_json_decode_object(params,
    1961                 :            :                                     rpc_add_error_injection_decoders,
    1962                 :            :                                     SPDK_COUNTOF(rpc_add_error_injection_decoders),
    1963         [ #  # ]:          6 :                                     &ctx->rpc)) {
    1964                 :          0 :                 spdk_jsonrpc_send_error_response(request, -EINVAL,
    1965                 :            :                                                  "Failed to parse the request");
    1966                 :          0 :                 goto cleanup;
    1967                 :            :         }
    1968                 :            : 
    1969   [ #  #  #  #  :          6 :         nvme_ctrlr = nvme_ctrlr_get_by_name(ctx->rpc.name);
                   #  # ]
    1970         [ -  + ]:          6 :         if (nvme_ctrlr == NULL) {
    1971                 :          0 :                 SPDK_ERRLOG("No controller with specified name was found.\n");
    1972                 :          0 :                 spdk_jsonrpc_send_error_response(request, -ENODEV, spdk_strerror(ENODEV));
    1973                 :          0 :                 goto cleanup;
    1974                 :            :         }
    1975                 :            : 
    1976   [ -  +  #  #  :          6 :         if (ctx->rpc.cmd_type == NVME_IO_CMD) {
             #  #  #  # ]
    1977                 :          0 :                 nvme_ctrlr_for_each_channel(nvme_ctrlr,
    1978                 :            :                                             rpc_add_error_injection_per_channel,
    1979                 :          0 :                                             ctx,
    1980                 :            :                                             rpc_add_error_injection_done);
    1981                 :            : 
    1982                 :          0 :                 return;
    1983                 :            :         } else {
    1984   [ #  #  #  #  :         10 :                 rc = spdk_nvme_qpair_add_cmd_error_injection(nvme_ctrlr->ctrlr, NULL, ctx->rpc.opc,
          #  #  #  #  #  
                      # ]
    1985   [ -  +  #  #  :          6 :                                 ctx->rpc.do_not_submit, ctx->rpc.timeout_in_us, ctx->rpc.err_count,
          #  #  #  #  #  
          #  #  #  #  #  
          #  #  #  #  #  
                      # ]
    1986   [ #  #  #  #  :          6 :                                 ctx->rpc.sct, ctx->rpc.sc);
          #  #  #  #  #  
                #  #  # ]
    1987         [ -  + ]:          6 :                 if (rc) {
    1988         [ #  # ]:          0 :                         spdk_jsonrpc_send_error_response(request, -rc,
    1989                 :            :                                                          "Failed to add the error injection");
    1990                 :          0 :                 } else {
    1991   [ #  #  #  # ]:          6 :                         spdk_jsonrpc_send_bool_response(ctx->request, true);
    1992                 :            :                 }
    1993                 :            :         }
    1994                 :            : 
    1995                 :          6 : cleanup:
    1996         [ #  # ]:          6 :         free_rpc_add_error_injection(&ctx->rpc);
    1997                 :          6 :         free(ctx);
    1998                 :          0 : }
    1999                 :       2134 : SPDK_RPC_REGISTER("bdev_nvme_add_error_injection", rpc_bdev_nvme_add_error_injection,
    2000                 :            :                   SPDK_RPC_RUNTIME)
    2001                 :            : 
    2002                 :            : struct rpc_remove_error_injection {
    2003                 :            :         char *name;
    2004                 :            :         enum error_injection_cmd_type cmd_type;
    2005                 :            :         uint8_t opc;
    2006                 :            : };
    2007                 :            : 
    2008                 :            : static void
    2009                 :          0 : free_rpc_remove_error_injection(struct rpc_remove_error_injection *req)
    2010                 :            : {
    2011   [ #  #  #  # ]:          0 :         free(req->name);
    2012                 :          0 : }
    2013                 :            : 
    2014                 :            : static const struct spdk_json_object_decoder rpc_remove_error_injection_decoders[] = {
    2015                 :            :         { "name", offsetof(struct rpc_remove_error_injection, name), spdk_json_decode_string },
    2016                 :            :         { "cmd_type", offsetof(struct rpc_remove_error_injection, cmd_type), rpc_error_injection_decode_cmd_type },
    2017                 :            :         { "opc", offsetof(struct rpc_remove_error_injection, opc), spdk_json_decode_uint8 },
    2018                 :            : };
    2019                 :            : 
    2020                 :            : struct rpc_remove_error_injection_ctx {
    2021                 :            :         struct spdk_jsonrpc_request *request;
    2022                 :            :         struct rpc_remove_error_injection rpc;
    2023                 :            : };
    2024                 :            : 
    2025                 :            : static void
    2026                 :          0 : rpc_remove_error_injection_done(struct nvme_ctrlr *nvme_ctrlr, void *_ctx, int status)
    2027                 :            : {
    2028                 :          0 :         struct rpc_remove_error_injection_ctx *ctx = _ctx;
    2029                 :            : 
    2030         [ #  # ]:          0 :         if (status) {
    2031   [ #  #  #  # ]:          0 :                 spdk_jsonrpc_send_error_response(ctx->request, status,
    2032                 :            :                                                  "Failed to remove the error injection.");
    2033                 :          0 :         } else {
    2034   [ #  #  #  # ]:          0 :                 spdk_jsonrpc_send_bool_response(ctx->request, true);
    2035                 :            :         }
    2036                 :            : 
    2037         [ #  # ]:          0 :         free_rpc_remove_error_injection(&ctx->rpc);
    2038                 :          0 :         free(ctx);
    2039                 :          0 : }
    2040                 :            : 
    2041                 :            : static void
    2042                 :          0 : rpc_remove_error_injection_per_channel(struct nvme_ctrlr_channel_iter *i,
    2043                 :            :                                        struct nvme_ctrlr *nvme_ctrlr,
    2044                 :            :                                        struct nvme_ctrlr_channel *ctrlr_ch,
    2045                 :            :                                        void *_ctx)
    2046                 :            : {
    2047                 :          0 :         struct rpc_remove_error_injection_ctx *ctx = _ctx;
    2048   [ #  #  #  #  :          0 :         struct spdk_nvme_qpair *qpair = ctrlr_ch->qpair->qpair;
             #  #  #  # ]
    2049   [ #  #  #  #  :          0 :         struct spdk_nvme_ctrlr *ctrlr = ctrlr_ch->qpair->ctrlr->ctrlr;
          #  #  #  #  #  
                #  #  # ]
    2050                 :            : 
    2051         [ #  # ]:          0 :         if (qpair != NULL) {
    2052   [ #  #  #  #  :          0 :                 spdk_nvme_qpair_remove_cmd_error_injection(ctrlr, qpair, ctx->rpc.opc);
                   #  # ]
    2053                 :          0 :         }
    2054                 :            : 
    2055                 :          0 :         nvme_ctrlr_for_each_channel_continue(i, 0);
    2056                 :          0 : }
    2057                 :            : 
    2058                 :            : static void
    2059                 :          0 : rpc_bdev_nvme_remove_error_injection(struct spdk_jsonrpc_request *request,
    2060                 :            :                                      const struct spdk_json_val *params)
    2061                 :            : {
    2062                 :            :         struct rpc_remove_error_injection_ctx *ctx;
    2063                 :            :         struct nvme_ctrlr *nvme_ctrlr;
    2064                 :            : 
    2065                 :          0 :         ctx = calloc(1, sizeof(*ctx));
    2066         [ #  # ]:          0 :         if (!ctx) {
    2067                 :          0 :                 spdk_jsonrpc_send_error_response(request, -ENOMEM, spdk_strerror(ENOMEM));
    2068                 :          0 :                 return;
    2069                 :            :         }
    2070   [ #  #  #  # ]:          0 :         ctx->request = request;
    2071                 :            : 
    2072         [ #  # ]:          0 :         if (spdk_json_decode_object(params,
    2073                 :            :                                     rpc_remove_error_injection_decoders,
    2074                 :            :                                     SPDK_COUNTOF(rpc_remove_error_injection_decoders),
    2075         [ #  # ]:          0 :                                     &ctx->rpc)) {
    2076                 :          0 :                 spdk_jsonrpc_send_error_response(request, -EINVAL,
    2077                 :            :                                                  "Failed to parse the request");
    2078                 :          0 :                 goto cleanup;
    2079                 :            :         }
    2080                 :            : 
    2081   [ #  #  #  #  :          0 :         nvme_ctrlr = nvme_ctrlr_get_by_name(ctx->rpc.name);
                   #  # ]
    2082         [ #  # ]:          0 :         if (nvme_ctrlr == NULL) {
    2083                 :          0 :                 SPDK_ERRLOG("No controller with specified name was found.\n");
    2084                 :          0 :                 spdk_jsonrpc_send_error_response(request, -ENODEV, spdk_strerror(ENODEV));
    2085                 :          0 :                 goto cleanup;
    2086                 :            :         }
    2087                 :            : 
    2088   [ #  #  #  #  :          0 :         if (ctx->rpc.cmd_type == NVME_IO_CMD) {
             #  #  #  # ]
    2089                 :          0 :                 nvme_ctrlr_for_each_channel(nvme_ctrlr,
    2090                 :            :                                             rpc_remove_error_injection_per_channel,
    2091                 :          0 :                                             ctx,
    2092                 :            :                                             rpc_remove_error_injection_done);
    2093                 :          0 :                 return;
    2094                 :            :         } else {
    2095   [ #  #  #  #  :          0 :                 spdk_nvme_qpair_remove_cmd_error_injection(nvme_ctrlr->ctrlr, NULL, ctx->rpc.opc);
          #  #  #  #  #  
                      # ]
    2096   [ #  #  #  # ]:          0 :                 spdk_jsonrpc_send_bool_response(ctx->request, true);
    2097                 :            :         }
    2098                 :            : 
    2099                 :          0 : cleanup:
    2100         [ #  # ]:          0 :         free_rpc_remove_error_injection(&ctx->rpc);
    2101                 :          0 :         free(ctx);
    2102                 :          0 : }
    2103                 :       2134 : SPDK_RPC_REGISTER("bdev_nvme_remove_error_injection", rpc_bdev_nvme_remove_error_injection,
    2104                 :            :                   SPDK_RPC_RUNTIME)
    2105                 :            : 
    2106                 :            : struct rpc_get_io_paths {
    2107                 :            :         char *name;
    2108                 :            : };
    2109                 :            : 
    2110                 :            : static void
    2111                 :        240 : free_rpc_get_io_paths(struct rpc_get_io_paths *r)
    2112                 :            : {
    2113   [ #  #  #  # ]:        240 :         free(r->name);
    2114                 :        240 : }
    2115                 :            : 
    2116                 :            : static const struct spdk_json_object_decoder rpc_get_io_paths_decoders[] = {
    2117                 :            :         {"name", offsetof(struct rpc_get_io_paths, name), spdk_json_decode_string, true},
    2118                 :            : };
    2119                 :            : 
    2120                 :            : struct rpc_get_io_paths_ctx {
    2121                 :            :         struct rpc_get_io_paths req;
    2122                 :            :         struct spdk_jsonrpc_request *request;
    2123                 :            :         struct spdk_json_write_ctx *w;
    2124                 :            : };
    2125                 :            : 
    2126                 :            : static void
    2127                 :        240 : rpc_bdev_nvme_get_io_paths_done(struct spdk_io_channel_iter *i, int status)
    2128                 :            : {
    2129                 :        240 :         struct rpc_get_io_paths_ctx *ctx = spdk_io_channel_iter_get_ctx(i);
    2130                 :            : 
    2131   [ #  #  #  # ]:        240 :         spdk_json_write_array_end(ctx->w);
    2132                 :            : 
    2133   [ #  #  #  # ]:        240 :         spdk_json_write_object_end(ctx->w);
    2134                 :            : 
    2135   [ #  #  #  #  :        240 :         spdk_jsonrpc_end_result(ctx->request, ctx->w);
             #  #  #  # ]
    2136                 :            : 
    2137         [ #  # ]:        240 :         free_rpc_get_io_paths(&ctx->req);
    2138                 :        240 :         free(ctx);
    2139                 :        240 : }
    2140                 :            : 
    2141                 :            : static void
    2142                 :        240 : _rpc_bdev_nvme_get_io_paths(struct spdk_io_channel_iter *i)
    2143                 :            : {
    2144                 :        240 :         struct spdk_io_channel *_ch = spdk_io_channel_iter_get_channel(i);
    2145                 :        240 :         struct nvme_poll_group *group = spdk_io_channel_get_ctx(_ch);
    2146                 :        240 :         struct rpc_get_io_paths_ctx *ctx = spdk_io_channel_iter_get_ctx(i);
    2147                 :            :         struct nvme_qpair *qpair;
    2148                 :            :         struct nvme_io_path *io_path;
    2149                 :            :         struct nvme_bdev *nbdev;
    2150                 :            : 
    2151   [ #  #  #  # ]:        240 :         spdk_json_write_object_begin(ctx->w);
    2152                 :            : 
    2153   [ #  #  #  # ]:        240 :         spdk_json_write_named_string(ctx->w, "thread", spdk_thread_get_name(spdk_get_thread()));
    2154                 :            : 
    2155   [ #  #  #  # ]:        240 :         spdk_json_write_named_array_begin(ctx->w, "io_paths");
    2156                 :            : 
    2157   [ +  +  #  #  :        720 :         TAILQ_FOREACH(qpair, &group->qpair_list, tailq) {
          #  #  #  #  #  
             #  #  #  #  
                      # ]
    2158   [ +  +  #  #  :        960 :                 TAILQ_FOREACH(io_path, &qpair->io_path_list, tailq) {
          #  #  #  #  #  
             #  #  #  #  
                      # ]
    2159   [ #  #  #  #  :        480 :                         nbdev = io_path->nvme_ns->bdev;
             #  #  #  # ]
    2160                 :            : 
    2161   [ -  +  #  #  :        480 :                         if (ctx->req.name != NULL &&
          #  #  #  #  #  
                      # ]
    2162   [ #  #  #  #  :          0 :                             strcmp(ctx->req.name, nbdev->disk.name) != 0) {
          #  #  #  #  #  
          #  #  #  #  #  
                   #  # ]
    2163                 :          0 :                                 continue;
    2164                 :            :                         }
    2165                 :            : 
    2166   [ #  #  #  # ]:        480 :                         nvme_io_path_info_json(ctx->w, io_path);
    2167                 :          0 :                 }
    2168                 :          0 :         }
    2169                 :            : 
    2170   [ #  #  #  # ]:        240 :         spdk_json_write_array_end(ctx->w);
    2171                 :            : 
    2172   [ #  #  #  # ]:        240 :         spdk_json_write_object_end(ctx->w);
    2173                 :            : 
    2174                 :        240 :         spdk_for_each_channel_continue(i, 0);
    2175                 :        240 : }
    2176                 :            : 
    2177                 :            : static void
    2178                 :        240 : rpc_bdev_nvme_get_io_paths(struct spdk_jsonrpc_request *request,
    2179                 :            :                            const struct spdk_json_val *params)
    2180                 :            : {
    2181                 :            :         struct rpc_get_io_paths_ctx *ctx;
    2182                 :            : 
    2183                 :        240 :         ctx = calloc(1, sizeof(*ctx));
    2184         [ -  + ]:        240 :         if (ctx == NULL) {
    2185                 :          0 :                 spdk_jsonrpc_send_error_response(request, -ENOMEM, spdk_strerror(ENOMEM));
    2186                 :          0 :                 return;
    2187                 :            :         }
    2188                 :            : 
    2189   [ -  +  -  - ]:        240 :         if (params != NULL &&
    2190                 :          0 :             spdk_json_decode_object(params, rpc_get_io_paths_decoders,
    2191                 :            :                                     SPDK_COUNTOF(rpc_get_io_paths_decoders),
    2192         [ #  # ]:          0 :                                     &ctx->req)) {
    2193                 :          0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
    2194                 :            :                                                  "bdev_nvme_get_io_paths requires no parameters");
    2195                 :            : 
    2196         [ #  # ]:          0 :                 free_rpc_get_io_paths(&ctx->req);
    2197                 :          0 :                 free(ctx);
    2198                 :          0 :                 return;
    2199                 :            :         }
    2200                 :            : 
    2201   [ #  #  #  # ]:        240 :         ctx->request = request;
    2202   [ #  #  #  # ]:        240 :         ctx->w = spdk_jsonrpc_begin_result(request);
    2203                 :            : 
    2204   [ #  #  #  # ]:        240 :         spdk_json_write_object_begin(ctx->w);
    2205                 :            : 
    2206   [ #  #  #  # ]:        240 :         spdk_json_write_named_array_begin(ctx->w, "poll_groups");
    2207                 :            : 
    2208                 :        240 :         spdk_for_each_channel(&g_nvme_bdev_ctrlrs,
    2209                 :            :                               _rpc_bdev_nvme_get_io_paths,
    2210                 :          0 :                               ctx,
    2211                 :            :                               rpc_bdev_nvme_get_io_paths_done);
    2212                 :          0 : }
    2213                 :       2134 : SPDK_RPC_REGISTER("bdev_nvme_get_io_paths", rpc_bdev_nvme_get_io_paths, SPDK_RPC_RUNTIME)
    2214                 :            : 
    2215                 :            : struct rpc_bdev_nvme_set_preferred_path {
    2216                 :            :         char *name;
    2217                 :            :         uint16_t cntlid;
    2218                 :            : };
    2219                 :            : 
    2220                 :            : static void
    2221                 :          0 : free_rpc_bdev_nvme_set_preferred_path(struct rpc_bdev_nvme_set_preferred_path *req)
    2222                 :            : {
    2223   [ #  #  #  # ]:          0 :         free(req->name);
    2224                 :          0 : }
    2225                 :            : 
    2226                 :            : static const struct spdk_json_object_decoder rpc_bdev_nvme_set_preferred_path_decoders[] = {
    2227                 :            :         {"name", offsetof(struct rpc_bdev_nvme_set_preferred_path, name), spdk_json_decode_string},
    2228                 :            :         {"cntlid", offsetof(struct rpc_bdev_nvme_set_preferred_path, cntlid), spdk_json_decode_uint16},
    2229                 :            : };
    2230                 :            : 
    2231                 :            : struct rpc_bdev_nvme_set_preferred_path_ctx {
    2232                 :            :         struct rpc_bdev_nvme_set_preferred_path req;
    2233                 :            :         struct spdk_jsonrpc_request *request;
    2234                 :            : };
    2235                 :            : 
    2236                 :            : static void
    2237                 :          0 : rpc_bdev_nvme_set_preferred_path_done(void *cb_arg, int rc)
    2238                 :            : {
    2239                 :          0 :         struct rpc_bdev_nvme_set_preferred_path_ctx *ctx = cb_arg;
    2240                 :            : 
    2241         [ #  # ]:          0 :         if (rc == 0) {
    2242   [ #  #  #  # ]:          0 :                 spdk_jsonrpc_send_bool_response(ctx->request, true);
    2243                 :          0 :         } else {
    2244   [ #  #  #  #  :          0 :                 spdk_jsonrpc_send_error_response(ctx->request, rc, spdk_strerror(-rc));
                   #  # ]
    2245                 :            :         }
    2246                 :            : 
    2247         [ #  # ]:          0 :         free_rpc_bdev_nvme_set_preferred_path(&ctx->req);
    2248                 :          0 :         free(ctx);
    2249                 :          0 : }
    2250                 :            : 
    2251                 :            : static void
    2252                 :          0 : rpc_bdev_nvme_set_preferred_path(struct spdk_jsonrpc_request *request,
    2253                 :            :                                  const struct spdk_json_val *params)
    2254                 :            : {
    2255                 :            :         struct rpc_bdev_nvme_set_preferred_path_ctx *ctx;
    2256                 :            : 
    2257                 :          0 :         ctx = calloc(1, sizeof(*ctx));
    2258         [ #  # ]:          0 :         if (ctx == NULL) {
    2259                 :          0 :                 spdk_jsonrpc_send_error_response(request, -ENOMEM, spdk_strerror(ENOMEM));
    2260                 :          0 :                 return;
    2261                 :            :         }
    2262                 :            : 
    2263         [ #  # ]:          0 :         if (spdk_json_decode_object(params, rpc_bdev_nvme_set_preferred_path_decoders,
    2264                 :            :                                     SPDK_COUNTOF(rpc_bdev_nvme_set_preferred_path_decoders),
    2265         [ #  # ]:          0 :                                     &ctx->req)) {
    2266                 :          0 :                 SPDK_ERRLOG("spdk_json_decode_object failed\n");
    2267                 :          0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
    2268                 :            :                                                  "spdk_json_decode_object failed");
    2269                 :          0 :                 goto cleanup;
    2270                 :            :         }
    2271                 :            : 
    2272   [ #  #  #  # ]:          0 :         ctx->request = request;
    2273                 :            : 
    2274   [ #  #  #  #  :          0 :         bdev_nvme_set_preferred_path(ctx->req.name, ctx->req.cntlid,
          #  #  #  #  #  
                #  #  # ]
    2275                 :          0 :                                      rpc_bdev_nvme_set_preferred_path_done, ctx);
    2276                 :          0 :         return;
    2277                 :            : 
    2278                 :          0 : cleanup:
    2279         [ #  # ]:          0 :         free_rpc_bdev_nvme_set_preferred_path(&ctx->req);
    2280                 :          0 :         free(ctx);
    2281                 :          0 : }
    2282                 :       2134 : SPDK_RPC_REGISTER("bdev_nvme_set_preferred_path", rpc_bdev_nvme_set_preferred_path,
    2283                 :            :                   SPDK_RPC_RUNTIME)
    2284                 :            : 
    2285                 :            : struct rpc_set_multipath_policy {
    2286                 :            :         char *name;
    2287                 :            :         enum spdk_bdev_nvme_multipath_policy policy;
    2288                 :            :         enum spdk_bdev_nvme_multipath_selector selector;
    2289                 :            :         uint32_t rr_min_io;
    2290                 :            : };
    2291                 :            : 
    2292                 :            : static void
    2293                 :          4 : free_rpc_set_multipath_policy(struct rpc_set_multipath_policy *req)
    2294                 :            : {
    2295   [ #  #  #  # ]:          4 :         free(req->name);
    2296                 :          4 : }
    2297                 :            : 
    2298                 :            : static int
    2299                 :          4 : rpc_decode_mp_policy(const struct spdk_json_val *val, void *out)
    2300                 :            : {
    2301                 :          4 :         enum spdk_bdev_nvme_multipath_policy *policy = out;
    2302                 :            : 
    2303         [ -  + ]:          4 :         if (spdk_json_strequal(val, "active_passive") == true) {
    2304         [ #  # ]:          0 :                 *policy = BDEV_NVME_MP_POLICY_ACTIVE_PASSIVE;
    2305         [ +  - ]:          4 :         } else if (spdk_json_strequal(val, "active_active") == true) {
    2306         [ #  # ]:          4 :                 *policy = BDEV_NVME_MP_POLICY_ACTIVE_ACTIVE;
    2307                 :          0 :         } else {
    2308                 :          0 :                 SPDK_NOTICELOG("Invalid parameter value: policy\n");
    2309                 :          0 :                 return -EINVAL;
    2310                 :            :         }
    2311                 :            : 
    2312                 :          4 :         return 0;
    2313                 :          0 : }
    2314                 :            : 
    2315                 :            : static int
    2316                 :          0 : rpc_decode_mp_selector(const struct spdk_json_val *val, void *out)
    2317                 :            : {
    2318                 :          0 :         enum spdk_bdev_nvme_multipath_selector *selector = out;
    2319                 :            : 
    2320         [ #  # ]:          0 :         if (spdk_json_strequal(val, "round_robin") == true) {
    2321         [ #  # ]:          0 :                 *selector = BDEV_NVME_MP_SELECTOR_ROUND_ROBIN;
    2322         [ #  # ]:          0 :         } else if (spdk_json_strequal(val, "queue_depth") == true) {
    2323         [ #  # ]:          0 :                 *selector = BDEV_NVME_MP_SELECTOR_QUEUE_DEPTH;
    2324                 :          0 :         } else {
    2325                 :          0 :                 SPDK_NOTICELOG("Invalid parameter value: selector\n");
    2326                 :          0 :                 return -EINVAL;
    2327                 :            :         }
    2328                 :            : 
    2329                 :          0 :         return 0;
    2330                 :          0 : }
    2331                 :            : 
    2332                 :            : static const struct spdk_json_object_decoder rpc_set_multipath_policy_decoders[] = {
    2333                 :            :         {"name", offsetof(struct rpc_set_multipath_policy, name), spdk_json_decode_string},
    2334                 :            :         {"policy", offsetof(struct rpc_set_multipath_policy, policy), rpc_decode_mp_policy},
    2335                 :            :         {"selector", offsetof(struct rpc_set_multipath_policy, selector), rpc_decode_mp_selector, true},
    2336                 :            :         {"rr_min_io", offsetof(struct rpc_set_multipath_policy, rr_min_io), spdk_json_decode_uint32, true},
    2337                 :            : };
    2338                 :            : 
    2339                 :            : struct rpc_set_multipath_policy_ctx {
    2340                 :            :         struct rpc_set_multipath_policy req;
    2341                 :            :         struct spdk_jsonrpc_request *request;
    2342                 :            : };
    2343                 :            : 
    2344                 :            : static void
    2345                 :          4 : rpc_bdev_nvme_set_multipath_policy_done(void *cb_arg, int rc)
    2346                 :            : {
    2347                 :          4 :         struct rpc_set_multipath_policy_ctx *ctx = cb_arg;
    2348                 :            : 
    2349         [ +  - ]:          4 :         if (rc == 0) {
    2350   [ #  #  #  # ]:          4 :                 spdk_jsonrpc_send_bool_response(ctx->request, true);
    2351                 :          0 :         } else {
    2352   [ #  #  #  #  :          0 :                 spdk_jsonrpc_send_error_response(ctx->request, rc, spdk_strerror(-rc));
                   #  # ]
    2353                 :            :         }
    2354                 :            : 
    2355         [ #  # ]:          4 :         free_rpc_set_multipath_policy(&ctx->req);
    2356                 :          4 :         free(ctx);
    2357                 :          4 : }
    2358                 :            : 
    2359                 :            : static void
    2360                 :          4 : rpc_bdev_nvme_set_multipath_policy(struct spdk_jsonrpc_request *request,
    2361                 :            :                                    const struct spdk_json_val *params)
    2362                 :            : {
    2363                 :            :         struct rpc_set_multipath_policy_ctx *ctx;
    2364                 :            : 
    2365                 :          4 :         ctx = calloc(1, sizeof(*ctx));
    2366         [ -  + ]:          4 :         if (ctx == NULL) {
    2367                 :          0 :                 spdk_jsonrpc_send_error_response(request, -ENOMEM, spdk_strerror(ENOMEM));
    2368                 :          0 :                 return;
    2369                 :            :         }
    2370                 :            : 
    2371   [ #  #  #  #  :          4 :         ctx->req.rr_min_io = UINT32_MAX;
                   #  # ]
    2372   [ #  #  #  #  :          4 :         ctx->req.selector = UINT32_MAX;
                   #  # ]
    2373                 :            : 
    2374         [ -  + ]:          4 :         if (spdk_json_decode_object(params, rpc_set_multipath_policy_decoders,
    2375                 :            :                                     SPDK_COUNTOF(rpc_set_multipath_policy_decoders),
    2376         [ #  # ]:          4 :                                     &ctx->req)) {
    2377                 :          0 :                 SPDK_ERRLOG("spdk_json_decode_object failed\n");
    2378                 :          0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
    2379                 :            :                                                  "spdk_json_decode_object failed");
    2380                 :          0 :                 goto cleanup;
    2381                 :            :         }
    2382                 :            : 
    2383   [ #  #  #  # ]:          4 :         ctx->request = request;
    2384   [ +  -  #  #  :          4 :         if (ctx->req.selector == UINT32_MAX) {
             #  #  #  # ]
    2385   [ +  -  #  #  :          4 :                 if (ctx->req.policy == BDEV_NVME_MP_POLICY_ACTIVE_ACTIVE) {
             #  #  #  # ]
    2386   [ #  #  #  #  :          4 :                         ctx->req.selector = BDEV_NVME_MP_SELECTOR_ROUND_ROBIN;
                   #  # ]
    2387                 :          0 :                 } else {
    2388   [ #  #  #  #  :          0 :                         ctx->req.selector = 0;
                   #  # ]
    2389                 :            :                 }
    2390                 :          0 :         }
    2391                 :            : 
    2392   [ -  +  -  -  :          4 :         if (ctx->req.policy != BDEV_NVME_MP_POLICY_ACTIVE_ACTIVE && ctx->req.selector > 0) {
          #  #  #  #  #  
          #  #  #  #  #  
                   #  # ]
    2393                 :          0 :                 SPDK_ERRLOG("selector only works in active_active mode\n");
    2394                 :          0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
    2395                 :            :                                                  "spdk_json_decode_object failed");
    2396                 :          0 :                 goto cleanup;
    2397                 :            :         }
    2398                 :            : 
    2399   [ #  #  #  #  :          4 :         spdk_bdev_nvme_set_multipath_policy(ctx->req.name, ctx->req.policy, ctx->req.selector,
          #  #  #  #  #  
          #  #  #  #  #  
             #  #  #  # ]
    2400   [ #  #  #  #  :          0 :                                             ctx->req.rr_min_io,
                   #  # ]
    2401                 :          0 :                                             rpc_bdev_nvme_set_multipath_policy_done, ctx);
    2402                 :          4 :         return;
    2403                 :            : 
    2404                 :          0 : cleanup:
    2405         [ #  # ]:          0 :         free_rpc_set_multipath_policy(&ctx->req);
    2406                 :          0 :         free(ctx);
    2407                 :          0 : }
    2408                 :       2134 : SPDK_RPC_REGISTER("bdev_nvme_set_multipath_policy", rpc_bdev_nvme_set_multipath_policy,
    2409                 :            :                   SPDK_RPC_RUNTIME)
    2410                 :            : 
    2411                 :            : struct rpc_bdev_nvme_start_mdns_discovery {
    2412                 :            :         char *name;
    2413                 :            :         char *svcname;
    2414                 :            :         char *hostnqn;
    2415                 :            :         struct spdk_nvme_ctrlr_opts opts;
    2416                 :            :         struct spdk_bdev_nvme_ctrlr_opts bdev_opts;
    2417                 :            : };
    2418                 :            : 
    2419                 :            : static void
    2420                 :          4 : free_rpc_bdev_nvme_start_mdns_discovery(struct rpc_bdev_nvme_start_mdns_discovery *req)
    2421                 :            : {
    2422   [ #  #  #  # ]:          4 :         free(req->name);
    2423   [ #  #  #  # ]:          4 :         free(req->svcname);
    2424   [ #  #  #  # ]:          4 :         free(req->hostnqn);
    2425                 :          4 : }
    2426                 :            : 
    2427                 :            : static const struct spdk_json_object_decoder rpc_bdev_nvme_start_mdns_discovery_decoders[] = {
    2428                 :            :         {"name", offsetof(struct rpc_bdev_nvme_start_mdns_discovery, name), spdk_json_decode_string},
    2429                 :            :         {"svcname", offsetof(struct rpc_bdev_nvme_start_mdns_discovery, svcname), spdk_json_decode_string},
    2430                 :            :         {"hostnqn", offsetof(struct rpc_bdev_nvme_start_mdns_discovery, hostnqn), spdk_json_decode_string, true},
    2431                 :            : };
    2432                 :            : 
    2433                 :            : struct rpc_bdev_nvme_start_mdns_discovery_ctx {
    2434                 :            :         struct rpc_bdev_nvme_start_mdns_discovery req;
    2435                 :            :         struct spdk_jsonrpc_request *request;
    2436                 :            : };
    2437                 :            : 
    2438                 :            : static void
    2439                 :          4 : rpc_bdev_nvme_start_mdns_discovery(struct spdk_jsonrpc_request *request,
    2440                 :            :                                    const struct spdk_json_val *params)
    2441                 :            : {
    2442                 :            :         struct rpc_bdev_nvme_start_mdns_discovery_ctx *ctx;
    2443                 :            :         int rc;
    2444                 :            : 
    2445                 :          4 :         ctx = calloc(1, sizeof(*ctx));
    2446         [ -  + ]:          4 :         if (!ctx) {
    2447                 :          0 :                 spdk_jsonrpc_send_error_response(request, -ENOMEM, spdk_strerror(ENOMEM));
    2448                 :          0 :                 return;
    2449                 :            :         }
    2450                 :            : 
    2451   [ #  #  #  # ]:          4 :         spdk_nvme_ctrlr_get_default_ctrlr_opts(&ctx->req.opts, sizeof(ctx->req.opts));
    2452                 :            : 
    2453         [ -  + ]:          4 :         if (spdk_json_decode_object(params, rpc_bdev_nvme_start_mdns_discovery_decoders,
    2454                 :            :                                     SPDK_COUNTOF(rpc_bdev_nvme_start_mdns_discovery_decoders),
    2455         [ #  # ]:          4 :                                     &ctx->req)) {
    2456                 :          0 :                 SPDK_ERRLOG("spdk_json_decode_object failed\n");
    2457                 :          0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
    2458                 :            :                                                  "spdk_json_decode_object failed");
    2459                 :          0 :                 goto cleanup;
    2460                 :            :         }
    2461                 :            : 
    2462   [ +  -  #  #  :          4 :         if (ctx->req.hostnqn) {
             #  #  #  # ]
    2463   [ -  +  #  #  :          4 :                 snprintf(ctx->req.opts.hostnqn, sizeof(ctx->req.opts.hostnqn), "%s",
                   #  # ]
    2464   [ #  #  #  #  :          0 :                          ctx->req.hostnqn);
                   #  # ]
    2465                 :          0 :         }
    2466   [ #  #  #  # ]:          4 :         ctx->request = request;
    2467   [ #  #  #  #  :          4 :         rc = bdev_nvme_start_mdns_discovery(ctx->req.name, ctx->req.svcname, &ctx->req.opts,
          #  #  #  #  #  
          #  #  #  #  #  
                   #  # ]
    2468   [ #  #  #  # ]:          0 :                                             &ctx->req.bdev_opts);
    2469         [ +  + ]:          4 :         if (rc) {
    2470         [ #  # ]:          2 :                 spdk_jsonrpc_send_error_response(request, rc, spdk_strerror(-rc));
    2471                 :          0 :         } else {
    2472                 :          2 :                 spdk_jsonrpc_send_bool_response(request, true);
    2473                 :            :         }
    2474                 :            : 
    2475                 :          4 : cleanup:
    2476         [ #  # ]:          4 :         free_rpc_bdev_nvme_start_mdns_discovery(&ctx->req);
    2477                 :          4 :         free(ctx);
    2478                 :          0 : }
    2479                 :       2134 : SPDK_RPC_REGISTER("bdev_nvme_start_mdns_discovery", rpc_bdev_nvme_start_mdns_discovery,
    2480                 :            :                   SPDK_RPC_RUNTIME)
    2481                 :            : 
    2482                 :            : struct rpc_bdev_nvme_stop_mdns_discovery {
    2483                 :            :         char *name;
    2484                 :            : };
    2485                 :            : 
    2486                 :            : static const struct spdk_json_object_decoder rpc_bdev_nvme_stop_mdns_discovery_decoders[] = {
    2487                 :            :         {"name", offsetof(struct rpc_bdev_nvme_stop_mdns_discovery, name), spdk_json_decode_string},
    2488                 :            : };
    2489                 :            : 
    2490                 :            : struct rpc_bdev_nvme_stop_mdns_discovery_ctx {
    2491                 :            :         struct rpc_bdev_nvme_stop_mdns_discovery req;
    2492                 :            :         struct spdk_jsonrpc_request *request;
    2493                 :            : };
    2494                 :            : 
    2495                 :            : static void
    2496                 :          2 : rpc_bdev_nvme_stop_mdns_discovery(struct spdk_jsonrpc_request *request,
    2497                 :            :                                   const struct spdk_json_val *params)
    2498                 :            : {
    2499                 :            :         struct rpc_bdev_nvme_stop_mdns_discovery_ctx *ctx;
    2500                 :            :         int rc;
    2501                 :            : 
    2502                 :          2 :         ctx = calloc(1, sizeof(*ctx));
    2503         [ -  + ]:          2 :         if (!ctx) {
    2504                 :          0 :                 spdk_jsonrpc_send_error_response(request, -ENOMEM, spdk_strerror(ENOMEM));
    2505                 :          0 :                 return;
    2506                 :            :         }
    2507                 :            : 
    2508         [ -  + ]:          2 :         if (spdk_json_decode_object(params, rpc_bdev_nvme_stop_mdns_discovery_decoders,
    2509                 :            :                                     SPDK_COUNTOF(rpc_bdev_nvme_stop_mdns_discovery_decoders),
    2510         [ #  # ]:          2 :                                     &ctx->req)) {
    2511                 :          0 :                 SPDK_ERRLOG("spdk_json_decode_object failed\n");
    2512                 :          0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
    2513                 :            :                                                  "spdk_json_decode_object failed");
    2514                 :          0 :                 goto cleanup;
    2515                 :            :         }
    2516                 :            : 
    2517   [ #  #  #  # ]:          2 :         ctx->request = request;
    2518   [ #  #  #  #  :          2 :         rc = bdev_nvme_stop_mdns_discovery(ctx->req.name);
                   #  # ]
    2519                 :            : 
    2520         [ -  + ]:          2 :         if (rc) {
    2521         [ #  # ]:          0 :                 spdk_jsonrpc_send_error_response(request, rc, spdk_strerror(-rc));
    2522                 :          0 :                 goto cleanup;
    2523                 :            :         }
    2524   [ #  #  #  # ]:          2 :         spdk_jsonrpc_send_bool_response(ctx->request, true);
    2525                 :            : 
    2526                 :          2 : cleanup:
    2527   [ #  #  #  #  :          2 :         free(ctx->req.name);
                   #  # ]
    2528                 :          2 :         free(ctx);
    2529                 :          0 : }
    2530                 :       2134 : SPDK_RPC_REGISTER("bdev_nvme_stop_mdns_discovery", rpc_bdev_nvme_stop_mdns_discovery,
    2531                 :            :                   SPDK_RPC_RUNTIME)
    2532                 :            : 
    2533                 :            : static void
    2534                 :          3 : rpc_bdev_nvme_get_mdns_discovery_info(struct spdk_jsonrpc_request *request,
    2535                 :            :                                       const struct spdk_json_val *params)
    2536                 :            : {
    2537                 :          3 :         bdev_nvme_get_mdns_discovery_info(request);
    2538                 :          3 : }
    2539                 :            : 
    2540                 :       2134 : SPDK_RPC_REGISTER("bdev_nvme_get_mdns_discovery_info", rpc_bdev_nvme_get_mdns_discovery_info,
    2541                 :            :                   SPDK_RPC_RUNTIME)
    2542                 :            : 
    2543                 :            : struct rpc_get_path_stat {
    2544                 :            :         char    *name;
    2545                 :            : };
    2546                 :            : 
    2547                 :            : struct path_stat {
    2548                 :            :         struct spdk_bdev_io_stat        stat;
    2549                 :            :         struct spdk_nvme_transport_id   trid;
    2550                 :            :         struct nvme_ns                  *ns;
    2551                 :            : };
    2552                 :            : 
    2553                 :            : struct rpc_bdev_nvme_path_stat_ctx {
    2554                 :            :         struct spdk_jsonrpc_request     *request;
    2555                 :            :         struct path_stat                *path_stat;
    2556                 :            :         uint32_t                        num_paths;
    2557                 :            :         struct spdk_bdev_desc           *desc;
    2558                 :            : };
    2559                 :            : 
    2560                 :            : static void
    2561                 :          0 : free_rpc_get_path_stat(struct rpc_get_path_stat *req)
    2562                 :            : {
    2563   [ #  #  #  # ]:          0 :         free(req->name);
    2564                 :          0 : }
    2565                 :            : 
    2566                 :            : static const struct spdk_json_object_decoder rpc_get_path_stat_decoders[] = {
    2567                 :            :         {"name", offsetof(struct rpc_get_path_stat, name), spdk_json_decode_string},
    2568                 :            : };
    2569                 :            : 
    2570                 :            : static void
    2571                 :          0 : dummy_bdev_event_cb(enum spdk_bdev_event_type type, struct spdk_bdev *bdev, void *ctx)
    2572                 :            : {
    2573                 :          0 : }
    2574                 :            : 
    2575                 :            : static void
    2576                 :          0 : rpc_bdev_nvme_path_stat_per_channel(struct nvme_bdev_channel_iter *i,
    2577                 :            :                                     struct nvme_bdev *nbdev,
    2578                 :            :                                     struct nvme_bdev_channel *nbdev_ch,
    2579                 :            :                                     void *_ctx)
    2580                 :            : {
    2581                 :          0 :         struct rpc_bdev_nvme_path_stat_ctx *ctx = _ctx;
    2582                 :            :         struct nvme_io_path *io_path;
    2583                 :            :         struct path_stat *path_stat;
    2584                 :            :         uint32_t j;
    2585                 :            : 
    2586   [ #  #  #  #  :          0 :         assert(ctx->num_paths != 0);
             #  #  #  # ]
    2587                 :            : 
    2588   [ #  #  #  #  :          0 :         for (j = 0; j < ctx->num_paths; j++) {
                   #  # ]
    2589   [ #  #  #  #  :          0 :                 path_stat = &ctx->path_stat[j];
                   #  # ]
    2590                 :            : 
    2591   [ #  #  #  #  :          0 :                 STAILQ_FOREACH(io_path, &nbdev_ch->io_path_list, stailq) {
          #  #  #  #  #  
             #  #  #  #  
                      # ]
    2592   [ #  #  #  #  :          0 :                         if (path_stat->ns == io_path->nvme_ns) {
             #  #  #  # ]
    2593   [ #  #  #  #  :          0 :                                 assert(io_path->stat != NULL);
             #  #  #  # ]
    2594   [ #  #  #  #  :          0 :                                 spdk_bdev_add_io_stat(&path_stat->stat, io_path->stat);
                   #  # ]
    2595                 :          0 :                         }
    2596                 :          0 :                 }
    2597                 :          0 :         }
    2598                 :            : 
    2599                 :          0 :         nvme_bdev_for_each_channel_continue(i, 0);
    2600                 :          0 : }
    2601                 :            : 
    2602                 :            : static void
    2603                 :          0 : rpc_bdev_nvme_path_stat_done(struct nvme_bdev *nbdev, void *_ctx, int status)
    2604                 :            : {
    2605                 :          0 :         struct rpc_bdev_nvme_path_stat_ctx *ctx = _ctx;
    2606                 :            :         struct spdk_json_write_ctx *w;
    2607                 :            :         struct path_stat *path_stat;
    2608                 :            :         uint32_t j;
    2609                 :            : 
    2610   [ #  #  #  #  :          0 :         assert(ctx->num_paths != 0);
             #  #  #  # ]
    2611                 :            : 
    2612   [ #  #  #  # ]:          0 :         w = spdk_jsonrpc_begin_result(ctx->request);
    2613                 :          0 :         spdk_json_write_object_begin(w);
    2614   [ #  #  #  #  :          0 :         spdk_json_write_named_string(w, "name", nbdev->disk.name);
                   #  # ]
    2615                 :          0 :         spdk_json_write_named_array_begin(w, "stats");
    2616                 :            : 
    2617   [ #  #  #  #  :          0 :         for (j = 0; j < ctx->num_paths; j++) {
                   #  # ]
    2618   [ #  #  #  #  :          0 :                 path_stat = &ctx->path_stat[j];
                   #  # ]
    2619                 :          0 :                 spdk_json_write_object_begin(w);
    2620                 :            : 
    2621                 :          0 :                 spdk_json_write_named_object_begin(w, "trid");
    2622         [ #  # ]:          0 :                 nvme_bdev_dump_trid_json(&path_stat->trid, w);
    2623                 :          0 :                 spdk_json_write_object_end(w);
    2624                 :            : 
    2625                 :          0 :                 spdk_json_write_named_object_begin(w, "stat");
    2626         [ #  # ]:          0 :                 spdk_bdev_dump_io_stat_json(&path_stat->stat, w);
    2627                 :          0 :                 spdk_json_write_object_end(w);
    2628                 :            : 
    2629                 :          0 :                 spdk_json_write_object_end(w);
    2630                 :          0 :         }
    2631                 :            : 
    2632                 :          0 :         spdk_json_write_array_end(w);
    2633                 :          0 :         spdk_json_write_object_end(w);
    2634   [ #  #  #  # ]:          0 :         spdk_jsonrpc_end_result(ctx->request, w);
    2635                 :            : 
    2636   [ #  #  #  # ]:          0 :         spdk_bdev_close(ctx->desc);
    2637   [ #  #  #  # ]:          0 :         free(ctx->path_stat);
    2638                 :          0 :         free(ctx);
    2639                 :          0 : }
    2640                 :            : 
    2641                 :            : static void
    2642                 :          0 : rpc_bdev_nvme_get_path_iostat(struct spdk_jsonrpc_request *request,
    2643                 :            :                               const struct spdk_json_val *params)
    2644                 :            : {
    2645                 :          0 :         struct rpc_get_path_stat req = {};
    2646                 :          0 :         struct spdk_bdev_desc *desc = NULL;
    2647                 :            :         struct spdk_bdev *bdev;
    2648                 :            :         struct nvme_bdev *nbdev;
    2649                 :            :         struct nvme_ns *nvme_ns;
    2650                 :            :         struct path_stat *path_stat;
    2651                 :            :         struct rpc_bdev_nvme_path_stat_ctx *ctx;
    2652                 :          0 :         struct spdk_bdev_nvme_opts opts;
    2653                 :          0 :         uint32_t num_paths = 0, i = 0;
    2654                 :            :         int rc;
    2655                 :            : 
    2656                 :          0 :         spdk_bdev_nvme_get_opts(&opts, sizeof(opts));
    2657   [ #  #  #  # ]:          0 :         if (!opts.io_path_stat) {
    2658                 :          0 :                 SPDK_ERRLOG("RPC not enabled if enable_io_path_stat is false\n");
    2659                 :          0 :                 spdk_jsonrpc_send_error_response(request, -EPERM,
    2660                 :            :                                                  "RPC not enabled if enable_io_path_stat is false");
    2661                 :          0 :                 return;
    2662                 :            :         }
    2663                 :            : 
    2664         [ #  # ]:          0 :         if (spdk_json_decode_object(params, rpc_get_path_stat_decoders,
    2665                 :            :                                     SPDK_COUNTOF(rpc_get_path_stat_decoders),
    2666                 :            :                                     &req)) {
    2667                 :          0 :                 SPDK_ERRLOG("spdk_json_decode_object failed\n");
    2668                 :          0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
    2669                 :            :                                                  "spdk_json_decode_object failed");
    2670                 :          0 :                 free_rpc_get_path_stat(&req);
    2671                 :          0 :                 return;
    2672                 :            :         }
    2673                 :            : 
    2674                 :          0 :         rc = spdk_bdev_open_ext(req.name, false, dummy_bdev_event_cb, NULL, &desc);
    2675         [ #  # ]:          0 :         if (rc != 0) {
    2676                 :          0 :                 SPDK_ERRLOG("Failed to open bdev '%s': %d\n", req.name, rc);
    2677         [ #  # ]:          0 :                 spdk_jsonrpc_send_error_response(request, rc, spdk_strerror(-rc));
    2678                 :          0 :                 free_rpc_get_path_stat(&req);
    2679                 :          0 :                 return;
    2680                 :            :         }
    2681                 :            : 
    2682                 :          0 :         free_rpc_get_path_stat(&req);
    2683                 :            : 
    2684                 :          0 :         ctx = calloc(1, sizeof(struct rpc_bdev_nvme_path_stat_ctx));
    2685         [ #  # ]:          0 :         if (ctx == NULL) {
    2686                 :          0 :                 spdk_bdev_close(desc);
    2687                 :          0 :                 SPDK_ERRLOG("Failed to allocate rpc_bdev_nvme_path_stat_ctx struct\n");
    2688                 :          0 :                 spdk_jsonrpc_send_error_response(request, -ENOMEM, spdk_strerror(ENOMEM));
    2689                 :          0 :                 return;
    2690                 :            :         }
    2691                 :            : 
    2692                 :          0 :         bdev = spdk_bdev_desc_get_bdev(desc);
    2693   [ #  #  #  # ]:          0 :         nbdev = bdev->ctxt;
    2694                 :            : 
    2695   [ #  #  #  # ]:          0 :         pthread_mutex_lock(&nbdev->mutex);
    2696   [ #  #  #  #  :          0 :         if (nbdev->ref == 0) {
                   #  # ]
    2697                 :          0 :                 rc = -ENOENT;
    2698                 :          0 :                 goto err;
    2699                 :            :         }
    2700                 :            : 
    2701   [ #  #  #  # ]:          0 :         num_paths = nbdev->ref;
    2702                 :          0 :         path_stat = calloc(num_paths, sizeof(struct path_stat));
    2703         [ #  # ]:          0 :         if (path_stat == NULL) {
    2704                 :          0 :                 rc = -ENOMEM;
    2705                 :          0 :                 SPDK_ERRLOG("Failed to allocate memory for path_stat.\n");
    2706                 :          0 :                 goto err;
    2707                 :            :         }
    2708                 :            : 
    2709                 :            :         /* store the history stat */
    2710   [ #  #  #  #  :          0 :         TAILQ_FOREACH(nvme_ns, &nbdev->nvme_ns_list, tailq) {
          #  #  #  #  #  
             #  #  #  #  
                      # ]
    2711   [ #  #  #  # ]:          0 :                 assert(i < num_paths);
    2712   [ #  #  #  #  :          0 :                 path_stat[i].ns = nvme_ns;
                   #  # ]
    2713   [ #  #  #  #  :          0 :                 path_stat[i].trid = nvme_ns->ctrlr->active_path_id->trid;
          #  #  #  #  #  
             #  #  #  #  
                      # ]
    2714                 :            : 
    2715   [ #  #  #  #  :          0 :                 assert(nvme_ns->stat != NULL);
             #  #  #  # ]
    2716   [ #  #  #  #  :          0 :                 memcpy(&path_stat[i].stat, nvme_ns->stat, sizeof(struct spdk_bdev_io_stat));
          #  #  #  #  #  
                #  #  # ]
    2717                 :          0 :                 i++;
    2718                 :          0 :         }
    2719   [ #  #  #  # ]:          0 :         pthread_mutex_unlock(&nbdev->mutex);
    2720                 :            : 
    2721   [ #  #  #  # ]:          0 :         ctx->request = request;
    2722   [ #  #  #  # ]:          0 :         ctx->desc = desc;
    2723   [ #  #  #  # ]:          0 :         ctx->path_stat = path_stat;
    2724   [ #  #  #  # ]:          0 :         ctx->num_paths = num_paths;
    2725                 :            : 
    2726                 :          0 :         nvme_bdev_for_each_channel(nbdev,
    2727                 :            :                                    rpc_bdev_nvme_path_stat_per_channel,
    2728                 :          0 :                                    ctx,
    2729                 :            :                                    rpc_bdev_nvme_path_stat_done);
    2730                 :          0 :         return;
    2731                 :            : 
    2732                 :          0 : err:
    2733   [ #  #  #  # ]:          0 :         pthread_mutex_unlock(&nbdev->mutex);
    2734         [ #  # ]:          0 :         spdk_jsonrpc_send_error_response(request, rc, spdk_strerror(-rc));
    2735                 :          0 :         spdk_bdev_close(desc);
    2736                 :          0 :         free(ctx);
    2737                 :          0 : }
    2738                 :       2134 : SPDK_RPC_REGISTER("bdev_nvme_get_path_iostat", rpc_bdev_nvme_get_path_iostat,
    2739                 :            :                   SPDK_RPC_RUNTIME)
    2740                 :            : 
    2741                 :            : struct rpc_bdev_nvme_set_keys {
    2742                 :            :         char *name;
    2743                 :            :         char *dhchap_key;
    2744                 :            :         char *dhchap_ctrlr_key;
    2745                 :            : };
    2746                 :            : 
    2747                 :            : static const struct spdk_json_object_decoder rpc_bdev_nvme_set_keys_decoders[] = {
    2748                 :            :         {"name", offsetof(struct rpc_bdev_nvme_set_keys, name), spdk_json_decode_string},
    2749                 :            :         {"dhchap_key", offsetof(struct rpc_bdev_nvme_set_keys, dhchap_key), spdk_json_decode_string, true},
    2750                 :            :         {"dhchap_ctrlr_key", offsetof(struct rpc_bdev_nvme_set_keys, dhchap_ctrlr_key), spdk_json_decode_string, true},
    2751                 :            : };
    2752                 :            : 
    2753                 :            : static void
    2754                 :         28 : free_rpc_bdev_nvme_set_keys(struct rpc_bdev_nvme_set_keys *req)
    2755                 :            : {
    2756   [ #  #  #  # ]:         28 :         free(req->name);
    2757   [ #  #  #  # ]:         28 :         free(req->dhchap_key);
    2758   [ #  #  #  # ]:         28 :         free(req->dhchap_ctrlr_key);
    2759                 :         28 : }
    2760                 :            : 
    2761                 :            : static void
    2762                 :         28 : rpc_bdev_nvme_set_keys_done(void *ctx, int status)
    2763                 :            : {
    2764                 :         28 :         struct spdk_jsonrpc_request *request = ctx;
    2765                 :            : 
    2766         [ +  + ]:         28 :         if (status != 0) {
    2767         [ #  # ]:         16 :                 spdk_jsonrpc_send_error_response(request, status, spdk_strerror(-status));
    2768                 :          0 :         } else {
    2769                 :         12 :                 spdk_jsonrpc_send_bool_response(request, true);
    2770                 :            :         }
    2771                 :         28 : }
    2772                 :            : 
    2773                 :            : static void
    2774                 :         28 : rpc_bdev_nvme_set_keys(struct spdk_jsonrpc_request *request, const struct spdk_json_val *params)
    2775                 :            : {
    2776                 :         28 :         struct rpc_bdev_nvme_set_keys req = {};
    2777                 :            :         int rc;
    2778                 :            : 
    2779         [ -  + ]:         28 :         if (spdk_json_decode_object(params, rpc_bdev_nvme_set_keys_decoders,
    2780                 :            :                                     SPDK_COUNTOF(rpc_bdev_nvme_set_keys_decoders), &req)) {
    2781                 :          0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
    2782                 :            :                                                  "spdk_json_decode_object failed");
    2783                 :          0 :                 return;
    2784                 :            :         }
    2785                 :            : 
    2786   [ #  #  #  # ]:         28 :         rc = bdev_nvme_set_keys(req.name, req.dhchap_key, req.dhchap_ctrlr_key,
    2787                 :          0 :                                 rpc_bdev_nvme_set_keys_done, request);
    2788         [ -  + ]:         28 :         if (rc != 0) {
    2789         [ #  # ]:          0 :                 spdk_jsonrpc_send_error_response(request, rc, spdk_strerror(-rc));
    2790                 :          0 :         }
    2791                 :         28 :         free_rpc_bdev_nvme_set_keys(&req);
    2792                 :          0 : }
    2793                 :       2134 : SPDK_RPC_REGISTER("bdev_nvme_set_keys", rpc_bdev_nvme_set_keys, SPDK_RPC_RUNTIME)

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