LCOV - code coverage report
Current view: top level - spdk/module/bdev/nvme - bdev_nvme_rpc.c (source / functions) Hit Total Coverage
Test: Combined Lines: 599 1456 41.1 %
Date: 2024-12-14 19:18:32 Functions: 77 113 68.1 %
Legend: Lines: hit not hit | Branches: + taken - not taken # not executed Branches: 399 3264 12.2 %

           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                 :        380 : rpc_decode_action_on_timeout(const struct spdk_json_val *val, void *out)
      28                 :            : {
      29                 :        380 :         enum spdk_bdev_timeout_action *action = out;
      30                 :            : 
      31         [ +  + ]:        380 :         if (spdk_json_strequal(val, "none") == true) {
      32         [ +  - ]:        374 :                 *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                 :        380 :         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                 :            :         {"timeout_us", offsetof(struct spdk_bdev_nvme_opts, timeout_us), spdk_json_decode_uint64, true},
     114                 :            :         {"timeout_admin_us", offsetof(struct spdk_bdev_nvme_opts, timeout_admin_us), spdk_json_decode_uint64, true},
     115                 :            :         {"keep_alive_timeout_ms", offsetof(struct spdk_bdev_nvme_opts, keep_alive_timeout_ms), spdk_json_decode_uint32, 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                 :            :         {"nvme_adminq_poll_period_us", offsetof(struct spdk_bdev_nvme_opts, nvme_adminq_poll_period_us), spdk_json_decode_uint64, true},
     121                 :            :         {"nvme_ioq_poll_period_us", offsetof(struct spdk_bdev_nvme_opts, nvme_ioq_poll_period_us), spdk_json_decode_uint64, true},
     122                 :            :         {"io_queue_requests", offsetof(struct spdk_bdev_nvme_opts, io_queue_requests), spdk_json_decode_uint32, 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                 :            :         {"transport_ack_timeout", offsetof(struct spdk_bdev_nvme_opts, transport_ack_timeout), spdk_json_decode_uint8, true},
     127                 :            :         {"ctrlr_loss_timeout_sec", offsetof(struct spdk_bdev_nvme_opts, ctrlr_loss_timeout_sec), spdk_json_decode_int32, true},
     128                 :            :         {"reconnect_delay_sec", offsetof(struct spdk_bdev_nvme_opts, reconnect_delay_sec), spdk_json_decode_uint32, true},
     129                 :            :         {"fast_io_fail_timeout_sec", offsetof(struct spdk_bdev_nvme_opts, fast_io_fail_timeout_sec), spdk_json_decode_uint32, 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                 :            :         {"rdma_srq_size", offsetof(struct spdk_bdev_nvme_opts, rdma_srq_size), spdk_json_decode_uint32, true},
     135                 :            :         {"io_path_stat", offsetof(struct spdk_bdev_nvme_opts, io_path_stat), spdk_json_decode_bool, true},
     136                 :            :         {"allow_accel_sequence", offsetof(struct spdk_bdev_nvme_opts, allow_accel_sequence), spdk_json_decode_bool, 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                 :       1021 : 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                 :       1021 :         bdev_nvme_get_opts(&opts);
     151   [ +  -  +  + ]:       1021 :         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                 :       1021 :         rc = bdev_nvme_set_opts(&opts);
     161         [ +  + ]:       1021 :         if (rc == -EPERM) {
     162                 :          0 :                 spdk_jsonrpc_send_error_response(request, -EPERM,
     163                 :            :                                                  "RPC not permitted with nvme controllers already attached");
     164         [ -  + ]:       1021 :         } else if (rc) {
     165         [ #  # ]:          0 :                 spdk_jsonrpc_send_error_response(request, rc, spdk_strerror(-rc));
     166                 :          0 :         } else {
     167                 :       1021 :                 spdk_jsonrpc_send_bool_response(request, true);
     168                 :            :         }
     169                 :            : 
     170                 :       1021 :         return;
     171                 :         27 : }
     172                 :       2107 : 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                 :       2107 : 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                 :       1507 : free_rpc_bdev_nvme_attach_controller(struct rpc_bdev_nvme_attach_controller *req)
     247                 :            : {
     248   [ +  -  +  - ]:       1507 :         free(req->name);
     249   [ +  -  +  - ]:       1507 :         free(req->trtype);
     250   [ +  -  +  - ]:       1507 :         free(req->adrfam);
     251   [ +  -  +  - ]:       1507 :         free(req->traddr);
     252   [ +  -  +  - ]:       1507 :         free(req->trsvcid);
     253   [ +  -  +  - ]:       1507 :         free(req->priority);
     254   [ +  -  +  - ]:       1507 :         free(req->subnqn);
     255   [ +  -  +  - ]:       1507 :         free(req->hostnqn);
     256   [ +  -  +  - ]:       1507 :         free(req->hostaddr);
     257   [ +  -  +  - ]:       1507 :         free(req->hostsvcid);
     258   [ +  -  +  - ]:       1507 :         free(req->psk);
     259   [ +  -  +  - ]:       1507 :         free(req->dhchap_key);
     260   [ +  -  +  - ]:       1507 :         free(req->dhchap_ctrlr_key);
     261                 :       1507 : }
     262                 :            : 
     263                 :            : static int
     264                 :       1105 : bdev_nvme_decode_reftag(const struct spdk_json_val *val, void *out)
     265                 :            : {
     266                 :       1105 :         uint32_t *flag = out;
     267                 :        163 :         bool reftag;
     268                 :            :         int rc;
     269                 :            : 
     270                 :       1105 :         rc = spdk_json_decode_bool(val, &reftag);
     271   [ +  -  +  +  :       1105 :         if (rc == 0 && reftag == true) {
                   +  + ]
     272   [ #  #  #  # ]:          0 :                 *flag |= SPDK_NVME_IO_FLAGS_PRCHK_REFTAG;
     273                 :          0 :         }
     274                 :            : 
     275                 :       1105 :         return rc;
     276                 :            : }
     277                 :            : 
     278                 :            : static int
     279                 :       1105 : bdev_nvme_decode_guard(const struct spdk_json_val *val, void *out)
     280                 :            : {
     281                 :       1105 :         uint32_t *flag = out;
     282                 :        163 :         bool guard;
     283                 :            :         int rc;
     284                 :            : 
     285                 :       1105 :         rc = spdk_json_decode_bool(val, &guard);
     286   [ +  -  +  +  :       1105 :         if (rc == 0 && guard == true) {
                   +  + ]
     287   [ #  #  #  # ]:          0 :                 *flag |= SPDK_NVME_IO_FLAGS_PRCHK_GUARD;
     288                 :          0 :         }
     289                 :            : 
     290                 :       1105 :         return rc;
     291                 :            : }
     292                 :            : 
     293                 :            : static int
     294                 :         10 : bdev_nvme_decode_multipath(const struct spdk_json_val *val, void *out)
     295                 :            : {
     296                 :         10 :         enum bdev_nvme_multipath_mode *multipath = out;
     297                 :            : 
     298         [ +  + ]:         10 :         if (spdk_json_strequal(val, "failover") == true) {
     299         [ #  # ]:          2 :                 *multipath = BDEV_NVME_MP_MODE_FAILOVER;
     300         [ +  + ]:          8 :         } else if (spdk_json_strequal(val, "multipath") == true) {
     301         [ #  # ]:          6 :                 *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                 :         10 :         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                 :       1507 : free_rpc_bdev_nvme_attach_controller_ctx(struct rpc_bdev_nvme_attach_controller_ctx *ctx)
     354                 :            : {
     355         [ +  - ]:       1507 :         free_rpc_bdev_nvme_attach_controller(&ctx->req);
     356   [ +  -  +  - ]:       1507 :         free(ctx->names);
     357                 :       1507 :         free(ctx);
     358                 :       1507 : }
     359                 :            : 
     360                 :            : static void
     361                 :       1435 : rpc_bdev_nvme_attach_controller_examined(void *cb_ctx)
     362                 :            : {
     363                 :       1435 :         struct rpc_bdev_nvme_attach_controller_ctx *ctx = cb_ctx;
     364   [ +  -  +  - ]:       1435 :         struct spdk_jsonrpc_request *request = ctx->request;
     365                 :            :         struct spdk_json_write_ctx *w;
     366                 :            :         size_t i;
     367                 :            : 
     368                 :       1435 :         w = spdk_jsonrpc_begin_result(request);
     369                 :       1435 :         spdk_json_write_array_begin(w);
     370   [ +  +  +  -  :       2653 :         for (i = 0; i < ctx->bdev_count; i++) {
                   +  + ]
     371   [ +  -  +  -  :       1218 :                 spdk_json_write_string(w, ctx->names[i]);
             +  -  +  - ]
     372                 :          1 :         }
     373                 :       1435 :         spdk_json_write_array_end(w);
     374                 :       1435 :         spdk_jsonrpc_end_result(request, w);
     375                 :            : 
     376                 :       1435 :         free_rpc_bdev_nvme_attach_controller_ctx(ctx);
     377                 :       1435 : }
     378                 :            : 
     379                 :            : static void
     380                 :       1490 : rpc_bdev_nvme_attach_controller_done(void *cb_ctx, size_t bdev_count, int rc)
     381                 :            : {
     382                 :       1490 :         struct rpc_bdev_nvme_attach_controller_ctx *ctx = cb_ctx;
     383   [ +  -  +  - ]:       1490 :         struct spdk_jsonrpc_request *request = ctx->request;
     384                 :            : 
     385         [ +  + ]:       1490 :         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   [ +  -  +  - ]:       1435 :         ctx->bdev_count = bdev_count;
     392                 :       1435 :         spdk_bdev_wait_for_examine(rpc_bdev_nvme_attach_controller_examined, ctx);
     393                 :          1 : }
     394                 :            : 
     395                 :            : static void
     396                 :       1507 : 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                 :       1507 :         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                 :       1507 :         struct nvme_ctrlr *ctrlr = NULL;
     404                 :            :         size_t len, maxlen;
     405                 :       1507 :         bool multipath = false;
     406                 :            :         int rc;
     407                 :            : 
     408                 :       1507 :         ctx = calloc(1, sizeof(*ctx));
     409         [ -  + ]:       1507 :         if (!ctx) {
     410                 :          0 :                 spdk_jsonrpc_send_error_response(request, -ENOMEM, spdk_strerror(ENOMEM));
     411                 :       1195 :                 return;
     412                 :            :         }
     413                 :            : 
     414   [ -  +  -  + ]:       1507 :         spdk_nvme_ctrlr_get_default_ctrlr_opts(&ctx->req.drv_opts, sizeof(ctx->req.drv_opts));
     415   [ -  +  -  + ]:       1507 :         spdk_bdev_nvme_get_default_ctrlr_opts(&ctx->req.bdev_opts);
     416                 :            :         /* For now, initialize the multipath parameter to add a failover path. This maintains backward
     417                 :            :          * compatibility with past behavior. In the future, this behavior will change to "disable". */
     418   [ -  +  -  +  :       1507 :         ctx->req.multipath = BDEV_NVME_MP_MODE_FAILOVER;
                   -  + ]
     419   [ -  +  -  +  :       1507 :         ctx->req.max_bdevs = DEFAULT_MAX_BDEVS_PER_RPC;
                   -  + ]
     420                 :            : 
     421         [ -  + ]:       1507 :         if (spdk_json_decode_object(params, rpc_bdev_nvme_attach_controller_decoders,
     422                 :            :                                     SPDK_COUNTOF(rpc_bdev_nvme_attach_controller_decoders),
     423         [ -  + ]:       1507 :                                     &ctx->req)) {
     424                 :          0 :                 SPDK_ERRLOG("spdk_json_decode_object failed\n");
     425                 :          0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
     426                 :            :                                                  "spdk_json_decode_object failed");
     427                 :          0 :                 goto cleanup;
     428                 :            :         }
     429                 :            : 
     430   [ -  +  -  +  :       1507 :         if (ctx->req.max_bdevs == 0) {
             -  +  -  + ]
     431                 :          0 :                 spdk_jsonrpc_send_error_response(request, -EINVAL, "max_bdevs cannot be zero");
     432                 :          0 :                 goto cleanup;
     433                 :            :         }
     434                 :            : 
     435   [ -  +  -  +  :       1507 :         ctx->names = calloc(ctx->req.max_bdevs, sizeof(char *));
          -  +  -  +  -  
                      + ]
     436   [ -  +  -  +  :       1507 :         if (ctx->names == NULL) {
                   -  + ]
     437                 :          0 :                 spdk_jsonrpc_send_error_response(request, -ENOMEM, spdk_strerror(ENOMEM));
     438                 :          0 :                 goto cleanup;
     439                 :            :         }
     440                 :            : 
     441                 :            :         /* Parse trstring */
     442   [ -  +  -  +  :       1507 :         rc = spdk_nvme_transport_id_populate_trstring(&trid, ctx->req.trtype);
                   -  + ]
     443         [ -  + ]:       1507 :         if (rc < 0) {
     444   [ #  #  #  #  :          0 :                 SPDK_ERRLOG("Failed to parse trtype: %s\n", ctx->req.trtype);
                   #  # ]
     445                 :          0 :                 spdk_jsonrpc_send_error_response_fmt(request, -EINVAL, "Failed to parse trtype: %s",
     446   [ #  #  #  #  :          0 :                                                      ctx->req.trtype);
                   #  # ]
     447                 :          0 :                 goto cleanup;
     448                 :            :         }
     449                 :            : 
     450                 :            :         /* Parse trtype */
     451   [ -  +  -  +  :       1507 :         rc = spdk_nvme_transport_id_parse_trtype(&trid.trtype, ctx->req.trtype);
                   -  + ]
     452   [ +  +  #  # ]:       1507 :         assert(rc == 0);
     453                 :            : 
     454                 :            :         /* Parse traddr */
     455                 :       1507 :         maxlen = sizeof(trid.traddr);
     456   [ -  +  -  +  :       1507 :         len = strnlen(ctx->req.traddr, maxlen);
             -  +  -  + ]
     457         [ -  + ]:       1507 :         if (len == maxlen) {
     458                 :          0 :                 spdk_jsonrpc_send_error_response_fmt(request, -EINVAL, "traddr too long: %s",
     459   [ #  #  #  #  :          0 :                                                      ctx->req.traddr);
                   #  # ]
     460                 :          0 :                 goto cleanup;
     461                 :            :         }
     462   [ -  +  -  +  :       1507 :         memcpy(trid.traddr, ctx->req.traddr, len + 1);
          -  +  -  +  -  
                      + ]
     463                 :            : 
     464                 :            :         /* Parse adrfam */
     465   [ +  +  -  +  :       1507 :         if (ctx->req.adrfam) {
             -  +  +  - ]
     466   [ #  #  #  #  :       1007 :                 rc = spdk_nvme_transport_id_parse_adrfam(&trid.adrfam, ctx->req.adrfam);
                   #  # ]
     467         [ -  + ]:       1007 :                 if (rc < 0) {
     468   [ #  #  #  #  :          0 :                         SPDK_ERRLOG("Failed to parse adrfam: %s\n", ctx->req.adrfam);
                   #  # ]
     469                 :          0 :                         spdk_jsonrpc_send_error_response_fmt(request, -EINVAL, "Failed to parse adrfam: %s",
     470   [ #  #  #  #  :          0 :                                                              ctx->req.adrfam);
                   #  # ]
     471                 :          0 :                         goto cleanup;
     472                 :            :                 }
     473                 :          0 :         }
     474                 :            : 
     475                 :            :         /* Parse trsvcid */
     476   [ +  +  -  +  :       1507 :         if (ctx->req.trsvcid) {
             -  +  +  - ]
     477                 :       1007 :                 maxlen = sizeof(trid.trsvcid);
     478   [ -  +  #  #  :       1007 :                 len = strnlen(ctx->req.trsvcid, maxlen);
             #  #  #  # ]
     479         [ -  + ]:       1007 :                 if (len == maxlen) {
     480                 :          0 :                         spdk_jsonrpc_send_error_response_fmt(request, -EINVAL, "trsvcid too long: %s",
     481   [ #  #  #  #  :          0 :                                                              ctx->req.trsvcid);
                   #  # ]
     482                 :          0 :                         goto cleanup;
     483                 :            :                 }
     484   [ -  +  #  #  :       1007 :                 memcpy(trid.trsvcid, ctx->req.trsvcid, len + 1);
          #  #  #  #  #  
                      # ]
     485                 :          0 :         }
     486                 :            : 
     487                 :            :         /* Parse priority for the NVMe-oF transport connection */
     488   [ +  +  +  -  :       1507 :         if (ctx->req.priority) {
             +  -  -  + ]
     489   [ #  #  #  #  :          0 :                 trid.priority = spdk_strtol(ctx->req.priority, 10);
             #  #  #  # ]
     490                 :          0 :         }
     491                 :            : 
     492                 :            :         /* Parse subnqn */
     493   [ +  +  +  -  :       1507 :         if (ctx->req.subnqn) {
             +  -  +  - ]
     494                 :       1007 :                 maxlen = sizeof(trid.subnqn);
     495   [ -  +  #  #  :       1007 :                 len = strnlen(ctx->req.subnqn, maxlen);
             #  #  #  # ]
     496         [ -  + ]:       1007 :                 if (len == maxlen) {
     497                 :          0 :                         spdk_jsonrpc_send_error_response_fmt(request, -EINVAL, "subnqn too long: %s",
     498   [ #  #  #  #  :          0 :                                                              ctx->req.subnqn);
                   #  # ]
     499                 :          0 :                         goto cleanup;
     500                 :            :                 }
     501   [ -  +  #  #  :       1007 :                 memcpy(trid.subnqn, ctx->req.subnqn, len + 1);
          #  #  #  #  #  
                      # ]
     502                 :          0 :         }
     503                 :            : 
     504   [ +  +  +  -  :       1507 :         if (ctx->req.hostnqn) {
             +  -  +  - ]
     505                 :       1084 :                 maxlen = sizeof(ctx->req.drv_opts.hostnqn);
     506   [ -  +  #  #  :       1084 :                 len = strnlen(ctx->req.hostnqn, maxlen);
             #  #  #  # ]
     507         [ -  + ]:       1084 :                 if (len == maxlen) {
     508                 :          0 :                         spdk_jsonrpc_send_error_response_fmt(request, -EINVAL, "hostnqn too long: %s",
     509   [ #  #  #  #  :          0 :                                                              ctx->req.hostnqn);
                   #  # ]
     510                 :          0 :                         goto cleanup;
     511                 :            :                 }
     512   [ -  +  -  +  :       1084 :                 memcpy(ctx->req.drv_opts.hostnqn, ctx->req.hostnqn, len + 1);
          #  #  #  #  #  
          #  #  #  #  #  
                   #  # ]
     513                 :          0 :         }
     514                 :            : 
     515   [ +  +  -  +  :       1507 :         if (ctx->req.psk) {
             -  +  -  + ]
     516   [ -  +  +  + ]:         66 :                 if (!g_tls_log) {
     517                 :         51 :                         SPDK_NOTICELOG("TLS support is considered experimental\n");
     518                 :         51 :                         g_tls_log = true;
     519                 :          0 :                 }
     520                 :          0 :         }
     521                 :            : 
     522   [ +  +  -  +  :       1507 :         if (ctx->req.hostaddr) {
             -  +  +  - ]
     523                 :         18 :                 maxlen = sizeof(ctx->req.drv_opts.src_addr);
     524   [ -  +  #  #  :         18 :                 len = strnlen(ctx->req.hostaddr, maxlen);
             #  #  #  # ]
     525         [ -  + ]:         18 :                 if (len == maxlen) {
     526                 :          0 :                         spdk_jsonrpc_send_error_response_fmt(request, -EINVAL, "hostaddr too long: %s",
     527   [ #  #  #  #  :          0 :                                                              ctx->req.hostaddr);
                   #  # ]
     528                 :          0 :                         goto cleanup;
     529                 :            :                 }
     530   [ #  #  #  #  :         18 :                 snprintf(ctx->req.drv_opts.src_addr, maxlen, "%s", ctx->req.hostaddr);
          #  #  #  #  #  
                #  #  # ]
     531                 :          0 :         }
     532                 :            : 
     533   [ -  +  -  +  :       1507 :         if (ctx->req.hostsvcid) {
             -  +  +  - ]
     534                 :          0 :                 maxlen = sizeof(ctx->req.drv_opts.src_svcid);
     535   [ #  #  #  #  :          0 :                 len = strnlen(ctx->req.hostsvcid, maxlen);
             #  #  #  # ]
     536         [ #  # ]:          0 :                 if (len == maxlen) {
     537                 :          0 :                         spdk_jsonrpc_send_error_response_fmt(request, -EINVAL, "hostsvcid too long: %s",
     538   [ #  #  #  #  :          0 :                                                              ctx->req.hostsvcid);
                   #  # ]
     539                 :          0 :                         goto cleanup;
     540                 :            :                 }
     541   [ #  #  #  #  :          0 :                 snprintf(ctx->req.drv_opts.src_svcid, maxlen, "%s", ctx->req.hostsvcid);
          #  #  #  #  #  
                #  #  # ]
     542                 :          0 :         }
     543                 :            : 
     544   [ +  -  +  -  :       1507 :         ctrlr = nvme_ctrlr_get_by_name(ctx->req.name);
                   +  - ]
     545                 :            : 
     546         [ +  + ]:       1507 :         if (ctrlr) {
     547                 :            :                 /* This controller already exists. Check what the user wants to do. */
     548   [ +  +  #  #  :         32 :                 if (ctx->req.multipath == BDEV_NVME_MP_MODE_DISABLE) {
             #  #  #  # ]
     549                 :            :                         /* The user does not want to do any form of multipathing. */
     550                 :          2 :                         spdk_jsonrpc_send_error_response_fmt(request, -EALREADY,
     551                 :            :                                                              "A controller named %s already exists and multipath is disabled",
     552   [ #  #  #  #  :          0 :                                                              ctx->req.name);
                   #  # ]
     553                 :          2 :                         goto cleanup;
     554                 :            :                 }
     555                 :            : 
     556   [ +  +  -  +  :         30 :                 assert(ctx->req.multipath == BDEV_NVME_MP_MODE_FAILOVER ||
          #  #  #  #  #  
          #  #  #  #  #  
             #  #  #  # ]
     557                 :            :                        ctx->req.multipath == BDEV_NVME_MP_MODE_MULTIPATH);
     558                 :            : 
     559                 :            :                 /* The user wants to add this as a failover path or add this to create multipath. */
     560   [ #  #  #  # ]:         30 :                 drv_opts = spdk_nvme_ctrlr_get_opts(ctrlr->ctrlr);
     561   [ #  #  #  # ]:         30 :                 ctrlr_trid = spdk_nvme_ctrlr_get_transport_id(ctrlr->ctrlr);
     562                 :            : 
     563   [ -  +  +  -  :         30 :                 if (strncmp(trid.traddr, ctrlr_trid->traddr, sizeof(trid.traddr)) == 0 &&
          #  #  #  #  #  
                      # ]
     564   [ -  +  +  +  :         30 :                     strncmp(trid.trsvcid, ctrlr_trid->trsvcid, sizeof(trid.trsvcid)) == 0 &&
             #  #  #  # ]
     565   [ -  +  -  +  :          6 :                     strncmp(ctx->req.drv_opts.src_addr, drv_opts->src_addr, sizeof(drv_opts->src_addr)) == 0 &&
          +  -  #  #  #  
             #  #  #  #  
                      # ]
     566   [ -  +  -  +  :          6 :                     strncmp(ctx->req.drv_opts.src_svcid, drv_opts->src_svcid, sizeof(drv_opts->src_svcid)) == 0) {
          +  -  #  #  #  
                #  #  # ]
     567                 :            :                         /* Exactly same network path can't be added a second time */
     568                 :          6 :                         spdk_jsonrpc_send_error_response_fmt(request, -EALREADY,
     569                 :            :                                                              "A controller named %s already exists with the specified network path",
     570   [ #  #  #  #  :          0 :                                                              ctx->req.name);
                   #  # ]
     571                 :          6 :                         goto cleanup;
     572                 :            :                 }
     573                 :            : 
     574   [ -  +  #  #  :         24 :                 if (strncmp(trid.subnqn,
             #  #  #  # ]
     575         [ -  + ]:         24 :                             ctrlr_trid->subnqn,
     576                 :          0 :                             SPDK_NVMF_NQN_MAX_LEN) != 0) {
     577                 :            :                         /* Different SUBNQN is not allowed when specifying the same controller name. */
     578                 :          0 :                         spdk_jsonrpc_send_error_response_fmt(request, -EINVAL,
     579                 :            :                                                              "A controller named %s already exists, but uses a different subnqn (%s)",
     580   [ #  #  #  #  :          0 :                                                              ctx->req.name, ctrlr_trid->subnqn);
             #  #  #  # ]
     581                 :          0 :                         goto cleanup;
     582                 :            :                 }
     583                 :            : 
     584   [ -  +  -  +  :         24 :                 if (strncmp(ctx->req.drv_opts.hostnqn, drv_opts->hostnqn, SPDK_NVMF_NQN_MAX_LEN) != 0) {
          -  +  #  #  #  
             #  #  #  #  
                      # ]
     585                 :            :                         /* Different HOSTNQN is not allowed when specifying the same controller name. */
     586                 :          0 :                         spdk_jsonrpc_send_error_response_fmt(request, -EINVAL,
     587                 :            :                                                              "A controller named %s already exists, but uses a different hostnqn (%s)",
     588   [ #  #  #  #  :          0 :                                                              ctx->req.name, drv_opts->hostnqn);
             #  #  #  # ]
     589                 :          0 :                         goto cleanup;
     590                 :            :                 }
     591                 :            : 
     592   [ -  +  #  #  :         24 :                 if (ctx->req.bdev_opts.prchk_flags) {
          #  #  #  #  #  
                      # ]
     593                 :          0 :                         spdk_jsonrpc_send_error_response_fmt(request, -EINVAL,
     594                 :            :                                                              "A controller named %s already exists. To add a path, do not specify PI options.",
     595   [ #  #  #  #  :          0 :                                                              ctx->req.name);
                   #  # ]
     596                 :          0 :                         goto cleanup;
     597                 :            :                 }
     598                 :            : 
     599   [ #  #  #  #  :         24 :                 ctx->req.bdev_opts.prchk_flags = ctrlr->opts.prchk_flags;
          #  #  #  #  #  
             #  #  #  #  
                      # ]
     600                 :          0 :         }
     601                 :            : 
     602   [ +  +  -  +  :       1499 :         if (ctx->req.multipath == BDEV_NVME_MP_MODE_MULTIPATH) {
             -  +  +  - ]
     603                 :          6 :                 multipath = true;
     604                 :          0 :         }
     605                 :            : 
     606   [ +  +  -  +  :       1499 :         if (ctx->req.drv_opts.num_io_queues == 0 || ctx->req.drv_opts.num_io_queues > UINT16_MAX + 1) {
          -  +  -  +  +  
          -  -  +  -  +  
          -  +  -  +  -  
                      + ]
     607                 :          0 :                 spdk_jsonrpc_send_error_response_fmt(request, -EINVAL,
     608                 :            :                                                      "num_io_queues out of bounds, min: %u max: %u",
     609                 :            :                                                      1, UINT16_MAX + 1);
     610                 :          0 :                 goto cleanup;
     611                 :            :         }
     612                 :            : 
     613   [ -  +  -  + ]:       1499 :         ctx->request = request;
     614                 :            :         /* Should already be zero due to the calloc(), but set explicitly for clarity. */
     615   [ -  +  -  +  :       1499 :         ctx->req.bdev_opts.from_discovery_service = false;
             -  +  -  + ]
     616   [ -  +  -  +  :       1499 :         ctx->req.bdev_opts.psk = ctx->req.psk;
          -  +  -  +  -  
             +  -  +  -  
                      + ]
     617   [ -  +  -  +  :       1499 :         ctx->req.bdev_opts.dhchap_key = ctx->req.dhchap_key;
          -  +  -  +  -  
             +  -  +  -  
                      + ]
     618   [ -  +  -  +  :       1499 :         ctx->req.bdev_opts.dhchap_ctrlr_key = ctx->req.dhchap_ctrlr_key;
          -  +  -  +  -  
             +  -  +  -  
                      + ]
     619   [ -  +  -  +  :       1499 :         ctx->req.bdev_opts.multipath = multipath;
          -  +  -  +  -  
                      + ]
     620   [ -  +  -  +  :       1500 :         rc = spdk_bdev_nvme_create(&trid, ctx->req.name, ctx->names, ctx->req.max_bdevs,
          -  +  -  +  -  
          +  -  +  -  +  
                   -  + ]
     621   [ -  +  -  + ]:          1 :                                    rpc_bdev_nvme_attach_controller_done, ctx, &ctx->req.drv_opts,
     622   [ -  +  -  +  :          1 :                                    &ctx->req.bdev_opts, multipath);
                   -  + ]
     623         [ +  + ]:       1499 :         if (rc) {
     624         [ #  # ]:          9 :                 spdk_jsonrpc_send_error_response(request, rc, spdk_strerror(-rc));
     625                 :          9 :                 goto cleanup;
     626                 :            :         }
     627                 :            : 
     628                 :       1490 :         return;
     629                 :            : 
     630                 :         17 : cleanup:
     631                 :         17 :         free_rpc_bdev_nvme_attach_controller_ctx(ctx);
     632                 :          1 : }
     633                 :       2107 : SPDK_RPC_REGISTER("bdev_nvme_attach_controller", rpc_bdev_nvme_attach_controller,
     634                 :            :                   SPDK_RPC_RUNTIME)
     635                 :            : 
     636                 :            : static void
     637                 :        735 : rpc_dump_nvme_bdev_controller_info(struct nvme_bdev_ctrlr *nbdev_ctrlr, void *ctx)
     638                 :            : {
     639                 :        735 :         struct spdk_json_write_ctx      *w = ctx;
     640                 :            :         struct nvme_ctrlr               *nvme_ctrlr;
     641                 :            : 
     642                 :        735 :         spdk_json_write_object_begin(w);
     643   [ #  #  #  # ]:        735 :         spdk_json_write_named_string(w, "name", nbdev_ctrlr->name);
     644                 :            : 
     645                 :        735 :         spdk_json_write_named_array_begin(w, "ctrlrs");
     646   [ +  +  #  #  :       1479 :         TAILQ_FOREACH(nvme_ctrlr, &nbdev_ctrlr->ctrlrs, tailq) {
          #  #  #  #  #  
             #  #  #  #  
                      # ]
     647                 :        744 :                 nvme_ctrlr_info_json(w, nvme_ctrlr);
     648                 :          0 :         }
     649                 :        735 :         spdk_json_write_array_end(w);
     650                 :        735 :         spdk_json_write_object_end(w);
     651                 :        735 : }
     652                 :            : 
     653                 :            : struct rpc_bdev_nvme_get_controllers {
     654                 :            :         char *name;
     655                 :            : };
     656                 :            : 
     657                 :            : static void
     658                 :        780 : free_rpc_bdev_nvme_get_controllers(struct rpc_bdev_nvme_get_controllers *r)
     659                 :            : {
     660   [ #  #  #  # ]:        780 :         free(r->name);
     661                 :        780 : }
     662                 :            : 
     663                 :            : static const struct spdk_json_object_decoder rpc_bdev_nvme_get_controllers_decoders[] = {
     664                 :            :         {"name", offsetof(struct rpc_bdev_nvme_get_controllers, name), spdk_json_decode_string, true},
     665                 :            : };
     666                 :            : 
     667                 :            : static void
     668                 :        780 : rpc_bdev_nvme_get_controllers(struct spdk_jsonrpc_request *request,
     669                 :            :                               const struct spdk_json_val *params)
     670                 :            : {
     671                 :        780 :         struct rpc_bdev_nvme_get_controllers req = {};
     672                 :            :         struct spdk_json_write_ctx *w;
     673                 :        780 :         struct nvme_bdev_ctrlr *nbdev_ctrlr = NULL;
     674                 :            : 
     675   [ +  +  -  + ]:        780 :         if (params && spdk_json_decode_object(params, rpc_bdev_nvme_get_controllers_decoders,
     676                 :            :                                               SPDK_COUNTOF(rpc_bdev_nvme_get_controllers_decoders),
     677                 :            :                                               &req)) {
     678                 :          0 :                 SPDK_ERRLOG("spdk_json_decode_object failed\n");
     679                 :          0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
     680                 :            :                                                  "spdk_json_decode_object failed");
     681                 :          0 :                 goto cleanup;
     682                 :            :         }
     683                 :            : 
     684         [ +  + ]:        780 :         if (req.name) {
     685                 :         17 :                 nbdev_ctrlr = nvme_bdev_ctrlr_get_by_name(req.name);
     686         [ -  + ]:         17 :                 if (nbdev_ctrlr == NULL) {
     687                 :          0 :                         SPDK_ERRLOG("ctrlr '%s' does not exist\n", req.name);
     688                 :          0 :                         spdk_jsonrpc_send_error_response_fmt(request, EINVAL, "Controller %s does not exist", req.name);
     689                 :          0 :                         goto cleanup;
     690                 :            :                 }
     691                 :          0 :         }
     692                 :            : 
     693                 :        780 :         w = spdk_jsonrpc_begin_result(request);
     694                 :        780 :         spdk_json_write_array_begin(w);
     695                 :            : 
     696         [ +  + ]:        780 :         if (nbdev_ctrlr != NULL) {
     697                 :         17 :                 rpc_dump_nvme_bdev_controller_info(nbdev_ctrlr, w);
     698                 :          0 :         } else {
     699                 :        763 :                 nvme_bdev_ctrlr_for_each(rpc_dump_nvme_bdev_controller_info, w);
     700                 :            :         }
     701                 :            : 
     702                 :        780 :         spdk_json_write_array_end(w);
     703                 :            : 
     704                 :        780 :         spdk_jsonrpc_end_result(request, w);
     705                 :            : 
     706                 :        780 : cleanup:
     707                 :        780 :         free_rpc_bdev_nvme_get_controllers(&req);
     708                 :        780 : }
     709                 :       2107 : SPDK_RPC_REGISTER("bdev_nvme_get_controllers", rpc_bdev_nvme_get_controllers, SPDK_RPC_RUNTIME)
     710                 :            : 
     711                 :            : struct rpc_bdev_nvme_detach_controller {
     712                 :            :         char *name;
     713                 :            :         char *trtype;
     714                 :            :         char *adrfam;
     715                 :            :         char *traddr;
     716                 :            :         char *trsvcid;
     717                 :            :         char *subnqn;
     718                 :            :         char *hostaddr;
     719                 :            :         char *hostsvcid;
     720                 :            : };
     721                 :            : 
     722                 :            : static void
     723                 :        706 : free_rpc_bdev_nvme_detach_controller(struct rpc_bdev_nvme_detach_controller *req)
     724                 :            : {
     725   [ #  #  #  # ]:        706 :         free(req->name);
     726   [ #  #  #  # ]:        706 :         free(req->trtype);
     727   [ #  #  #  # ]:        706 :         free(req->adrfam);
     728   [ #  #  #  # ]:        706 :         free(req->traddr);
     729   [ #  #  #  # ]:        706 :         free(req->trsvcid);
     730   [ #  #  #  # ]:        706 :         free(req->subnqn);
     731   [ #  #  #  # ]:        706 :         free(req->hostaddr);
     732   [ #  #  #  # ]:        706 :         free(req->hostsvcid);
     733                 :        706 : }
     734                 :            : 
     735                 :            : static const struct spdk_json_object_decoder rpc_bdev_nvme_detach_controller_decoders[] = {
     736                 :            :         {"name", offsetof(struct rpc_bdev_nvme_detach_controller, name), spdk_json_decode_string},
     737                 :            :         {"trtype", offsetof(struct rpc_bdev_nvme_detach_controller, trtype), spdk_json_decode_string, true},
     738                 :            :         {"traddr", offsetof(struct rpc_bdev_nvme_detach_controller, traddr), spdk_json_decode_string, true},
     739                 :            :         {"adrfam", offsetof(struct rpc_bdev_nvme_detach_controller, adrfam), spdk_json_decode_string, true},
     740                 :            :         {"trsvcid", offsetof(struct rpc_bdev_nvme_detach_controller, trsvcid), spdk_json_decode_string, true},
     741                 :            :         {"subnqn", offsetof(struct rpc_bdev_nvme_detach_controller, subnqn), spdk_json_decode_string, true},
     742                 :            :         {"hostaddr", offsetof(struct rpc_bdev_nvme_detach_controller, hostaddr), spdk_json_decode_string, true},
     743                 :            :         {"hostsvcid", offsetof(struct rpc_bdev_nvme_detach_controller, hostsvcid), spdk_json_decode_string, true},
     744                 :            : };
     745                 :            : 
     746                 :            : static void
     747                 :        706 : rpc_bdev_nvme_detach_controller_done(void *arg, int rc)
     748                 :            : {
     749                 :        706 :         struct spdk_jsonrpc_request *request = arg;
     750                 :            : 
     751         [ +  - ]:        706 :         if (rc == 0) {
     752                 :        706 :                 spdk_jsonrpc_send_bool_response(request, true);
     753                 :          0 :         } else {
     754         [ #  # ]:          0 :                 spdk_jsonrpc_send_error_response(request, rc, spdk_strerror(-rc));
     755                 :            :         }
     756                 :        706 : }
     757                 :            : 
     758                 :            : static void
     759                 :        706 : rpc_bdev_nvme_detach_controller(struct spdk_jsonrpc_request *request,
     760                 :            :                                 const struct spdk_json_val *params)
     761                 :            : {
     762                 :        706 :         struct rpc_bdev_nvme_detach_controller req = {NULL};
     763                 :        706 :         struct nvme_path_id path = {};
     764                 :            :         size_t len, maxlen;
     765                 :        706 :         int rc = 0;
     766                 :            : 
     767         [ -  + ]:        706 :         if (spdk_json_decode_object(params, rpc_bdev_nvme_detach_controller_decoders,
     768                 :            :                                     SPDK_COUNTOF(rpc_bdev_nvme_detach_controller_decoders),
     769                 :            :                                     &req)) {
     770                 :          0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
     771                 :            :                                                  "spdk_json_decode_object failed");
     772                 :          0 :                 goto cleanup;
     773                 :            :         }
     774                 :            : 
     775   [ +  +  #  # ]:        706 :         if (req.trtype != NULL) {
     776         [ #  # ]:         14 :                 rc = spdk_nvme_transport_id_populate_trstring(&path.trid, req.trtype);
     777         [ -  + ]:         14 :                 if (rc < 0) {
     778         [ #  # ]:          0 :                         SPDK_ERRLOG("Failed to parse trtype: %s\n", req.trtype);
     779                 :          0 :                         spdk_jsonrpc_send_error_response_fmt(request, -EINVAL, "Failed to parse trtype: %s",
     780         [ #  # ]:          0 :                                                              req.trtype);
     781                 :          0 :                         goto cleanup;
     782                 :            :                 }
     783                 :            : 
     784         [ #  # ]:         14 :                 rc = spdk_nvme_transport_id_parse_trtype(&path.trid.trtype, req.trtype);
     785         [ -  + ]:         14 :                 if (rc < 0) {
     786         [ #  # ]:          0 :                         SPDK_ERRLOG("Failed to parse trtype: %s\n", req.trtype);
     787                 :          0 :                         spdk_jsonrpc_send_error_response_fmt(request, -EINVAL, "Failed to parse trtype: %s",
     788         [ #  # ]:          0 :                                                              req.trtype);
     789                 :          0 :                         goto cleanup;
     790                 :            :                 }
     791                 :          0 :         }
     792                 :            : 
     793   [ +  +  #  # ]:        706 :         if (req.traddr != NULL) {
     794                 :         14 :                 maxlen = sizeof(path.trid.traddr);
     795   [ -  +  #  # ]:         14 :                 len = strnlen(req.traddr, maxlen);
     796         [ -  + ]:         14 :                 if (len == maxlen) {
     797                 :          0 :                         spdk_jsonrpc_send_error_response_fmt(request, -EINVAL, "traddr too long: %s",
     798         [ #  # ]:          0 :                                                              req.traddr);
     799                 :          0 :                         goto cleanup;
     800                 :            :                 }
     801   [ -  +  #  #  :         14 :                 memcpy(path.trid.traddr, req.traddr, len + 1);
                   #  # ]
     802                 :          0 :         }
     803                 :            : 
     804   [ +  +  #  # ]:        706 :         if (req.adrfam != NULL) {
     805         [ #  # ]:         14 :                 rc = spdk_nvme_transport_id_parse_adrfam(&path.trid.adrfam, req.adrfam);
     806         [ -  + ]:         14 :                 if (rc < 0) {
     807         [ #  # ]:          0 :                         SPDK_ERRLOG("Failed to parse adrfam: %s\n", req.adrfam);
     808                 :          0 :                         spdk_jsonrpc_send_error_response_fmt(request, -EINVAL, "Failed to parse adrfam: %s",
     809         [ #  # ]:          0 :                                                              req.adrfam);
     810                 :          0 :                         goto cleanup;
     811                 :            :                 }
     812                 :          0 :         }
     813                 :            : 
     814   [ +  +  #  # ]:        706 :         if (req.trsvcid != NULL) {
     815                 :         14 :                 maxlen = sizeof(path.trid.trsvcid);
     816   [ -  +  #  # ]:         14 :                 len = strnlen(req.trsvcid, maxlen);
     817         [ -  + ]:         14 :                 if (len == maxlen) {
     818                 :          0 :                         spdk_jsonrpc_send_error_response_fmt(request, -EINVAL, "trsvcid too long: %s",
     819         [ #  # ]:          0 :                                                              req.trsvcid);
     820                 :          0 :                         goto cleanup;
     821                 :            :                 }
     822   [ -  +  #  #  :         14 :                 memcpy(path.trid.trsvcid, req.trsvcid, len + 1);
                   #  # ]
     823                 :          0 :         }
     824                 :            : 
     825                 :            :         /* Parse subnqn */
     826   [ +  +  #  # ]:        706 :         if (req.subnqn != NULL) {
     827                 :         14 :                 maxlen = sizeof(path.trid.subnqn);
     828   [ -  +  #  # ]:         14 :                 len = strnlen(req.subnqn, maxlen);
     829         [ -  + ]:         14 :                 if (len == maxlen) {
     830                 :          0 :                         spdk_jsonrpc_send_error_response_fmt(request, -EINVAL, "subnqn too long: %s",
     831         [ #  # ]:          0 :                                                              req.subnqn);
     832                 :          0 :                         goto cleanup;
     833                 :            :                 }
     834   [ -  +  #  #  :         14 :                 memcpy(path.trid.subnqn, req.subnqn, len + 1);
                   #  # ]
     835                 :          0 :         }
     836                 :            : 
     837   [ -  +  #  # ]:        706 :         if (req.hostaddr) {
     838                 :          0 :                 maxlen = sizeof(path.hostid.hostaddr);
     839   [ #  #  #  # ]:          0 :                 len = strnlen(req.hostaddr, maxlen);
     840         [ #  # ]:          0 :                 if (len == maxlen) {
     841                 :          0 :                         spdk_jsonrpc_send_error_response_fmt(request, -EINVAL, "hostaddr too long: %s",
     842         [ #  # ]:          0 :                                                              req.hostaddr);
     843                 :          0 :                         goto cleanup;
     844                 :            :                 }
     845   [ #  #  #  # ]:          0 :                 snprintf(path.hostid.hostaddr, maxlen, "%s", req.hostaddr);
     846                 :          0 :         }
     847                 :            : 
     848   [ -  +  #  # ]:        706 :         if (req.hostsvcid) {
     849                 :          0 :                 maxlen = sizeof(path.hostid.hostsvcid);
     850   [ #  #  #  # ]:          0 :                 len = strnlen(req.hostsvcid, maxlen);
     851         [ #  # ]:          0 :                 if (len == maxlen) {
     852                 :          0 :                         spdk_jsonrpc_send_error_response_fmt(request, -EINVAL, "hostsvcid too long: %s",
     853         [ #  # ]:          0 :                                                              req.hostsvcid);
     854                 :          0 :                         goto cleanup;
     855                 :            :                 }
     856   [ #  #  #  # ]:          0 :                 snprintf(path.hostid.hostsvcid, maxlen, "%s", req.hostsvcid);
     857                 :          0 :         }
     858                 :            : 
     859                 :        706 :         rc = bdev_nvme_delete(req.name, &path, rpc_bdev_nvme_detach_controller_done, request);
     860                 :            : 
     861         [ +  - ]:        706 :         if (rc != 0) {
     862         [ #  # ]:          0 :                 spdk_jsonrpc_send_error_response(request, rc, spdk_strerror(-rc));
     863                 :          0 :         }
     864                 :            : 
     865                 :        706 : cleanup:
     866                 :        706 :         free_rpc_bdev_nvme_detach_controller(&req);
     867                 :        706 : }
     868                 :       2107 : SPDK_RPC_REGISTER("bdev_nvme_detach_controller", rpc_bdev_nvme_detach_controller,
     869                 :            :                   SPDK_RPC_RUNTIME)
     870                 :            : 
     871                 :            : struct rpc_apply_firmware {
     872                 :            :         char *filename;
     873                 :            :         char *bdev_name;
     874                 :            : };
     875                 :            : 
     876                 :            : static void
     877                 :          6 : free_rpc_apply_firmware(struct rpc_apply_firmware *req)
     878                 :            : {
     879   [ #  #  #  # ]:          6 :         free(req->filename);
     880   [ #  #  #  # ]:          6 :         free(req->bdev_name);
     881                 :          6 : }
     882                 :            : 
     883                 :            : static const struct spdk_json_object_decoder rpc_apply_firmware_decoders[] = {
     884                 :            :         {"filename", offsetof(struct rpc_apply_firmware, filename), spdk_json_decode_string},
     885                 :            :         {"bdev_name", offsetof(struct rpc_apply_firmware, bdev_name), spdk_json_decode_string},
     886                 :            : };
     887                 :            : 
     888                 :            : struct firmware_update_info {
     889                 :            :         void                            *fw_image;
     890                 :            :         void                            *p;
     891                 :            :         unsigned int                    size;
     892                 :            :         unsigned int                    size_remaining;
     893                 :            :         unsigned int                    offset;
     894                 :            :         unsigned int                    transfer;
     895                 :            :         bool                            success;
     896                 :            : 
     897                 :            :         struct spdk_bdev_desc           *desc;
     898                 :            :         struct spdk_io_channel          *ch;
     899                 :            :         struct spdk_thread              *orig_thread;
     900                 :            :         struct spdk_jsonrpc_request     *request;
     901                 :            :         struct spdk_nvme_ctrlr          *ctrlr;
     902                 :            :         struct rpc_apply_firmware       req;
     903                 :            : };
     904                 :            : 
     905                 :            : static void
     906                 :          6 : apply_firmware_cleanup(struct firmware_update_info *firm_ctx)
     907                 :            : {
     908   [ -  +  #  # ]:          6 :         assert(firm_ctx != NULL);
     909   [ -  +  #  #  :          6 :         assert(firm_ctx->orig_thread == spdk_get_thread());
             #  #  #  # ]
     910                 :            : 
     911   [ -  +  #  #  :          6 :         if (firm_ctx->fw_image) {
                   #  # ]
     912   [ #  #  #  # ]:          0 :                 spdk_free(firm_ctx->fw_image);
     913                 :          0 :         }
     914                 :            : 
     915         [ #  # ]:          6 :         free_rpc_apply_firmware(&firm_ctx->req);
     916                 :            : 
     917   [ +  -  #  #  :          6 :         if (firm_ctx->ch) {
                   #  # ]
     918   [ #  #  #  # ]:          6 :                 spdk_put_io_channel(firm_ctx->ch);
     919                 :          0 :         }
     920                 :            : 
     921   [ +  -  #  #  :          6 :         if (firm_ctx->desc) {
                   #  # ]
     922   [ #  #  #  # ]:          6 :                 spdk_bdev_close(firm_ctx->desc);
     923                 :          0 :         }
     924                 :            : 
     925                 :          6 :         free(firm_ctx);
     926                 :          6 : }
     927                 :            : 
     928                 :            : static void
     929                 :          0 : _apply_firmware_complete_reset(void *ctx)
     930                 :            : {
     931                 :            :         struct spdk_json_write_ctx              *w;
     932                 :          0 :         struct firmware_update_info *firm_ctx = ctx;
     933                 :            : 
     934   [ #  #  #  #  :          0 :         assert(firm_ctx->orig_thread == spdk_get_thread());
             #  #  #  # ]
     935                 :            : 
     936   [ #  #  #  #  :          0 :         if (!firm_ctx->success) {
             #  #  #  # ]
     937   [ #  #  #  # ]:          0 :                 spdk_jsonrpc_send_error_response(firm_ctx->request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
     938                 :            :                                                  "firmware commit failed.");
     939                 :          0 :                 apply_firmware_cleanup(firm_ctx);
     940                 :          0 :                 return;
     941                 :            :         }
     942                 :            : 
     943   [ #  #  #  #  :          0 :         if (spdk_nvme_ctrlr_reset(firm_ctx->ctrlr) != 0) {
                   #  # ]
     944   [ #  #  #  # ]:          0 :                 spdk_jsonrpc_send_error_response(firm_ctx->request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
     945                 :            :                                                  "Controller reset failed.");
     946                 :          0 :                 apply_firmware_cleanup(firm_ctx);
     947                 :          0 :                 return;
     948                 :            :         }
     949                 :            : 
     950   [ #  #  #  # ]:          0 :         w = spdk_jsonrpc_begin_result(firm_ctx->request);
     951                 :          0 :         spdk_json_write_string(w, "firmware commit succeeded. Controller reset in progress.");
     952   [ #  #  #  # ]:          0 :         spdk_jsonrpc_end_result(firm_ctx->request, w);
     953                 :          0 :         apply_firmware_cleanup(firm_ctx);
     954                 :          0 : }
     955                 :            : 
     956                 :            : static void
     957                 :          0 : apply_firmware_complete_reset(struct spdk_bdev_io *bdev_io, bool success, void *cb_arg)
     958                 :            : {
     959                 :          0 :         struct firmware_update_info *firm_ctx = cb_arg;
     960                 :            : 
     961                 :          0 :         spdk_bdev_free_io(bdev_io);
     962                 :            : 
     963   [ #  #  #  #  :          0 :         firm_ctx->success = success;
                   #  # ]
     964                 :            : 
     965   [ #  #  #  # ]:          0 :         spdk_thread_exec_msg(firm_ctx->orig_thread, _apply_firmware_complete_reset, firm_ctx);
     966                 :          0 : }
     967                 :            : 
     968                 :            : static void apply_firmware_complete(struct spdk_bdev_io *bdev_io, bool success, void *cb_arg);
     969                 :            : 
     970                 :            : static void
     971                 :          0 : _apply_firmware_complete(void *ctx)
     972                 :            : {
     973                 :          0 :         struct spdk_nvme_cmd                    cmd = {};
     974                 :          0 :         struct spdk_nvme_fw_commit              fw_commit;
     975                 :          0 :         int                                     slot = 0;
     976                 :            :         int                                     rc;
     977                 :          0 :         struct firmware_update_info *firm_ctx = ctx;
     978                 :          0 :         enum spdk_nvme_fw_commit_action commit_action = SPDK_NVME_FW_COMMIT_REPLACE_AND_ENABLE_IMG;
     979                 :            : 
     980   [ #  #  #  #  :          0 :         assert(firm_ctx->orig_thread == spdk_get_thread());
             #  #  #  # ]
     981                 :            : 
     982   [ #  #  #  #  :          0 :         if (!firm_ctx->success) {
             #  #  #  # ]
     983   [ #  #  #  # ]:          0 :                 spdk_jsonrpc_send_error_response(firm_ctx->request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
     984                 :            :                                                  "firmware download failed .");
     985                 :          0 :                 apply_firmware_cleanup(firm_ctx);
     986                 :          0 :                 return;
     987                 :            :         }
     988                 :            : 
     989   [ #  #  #  #  :          0 :         firm_ctx->p += firm_ctx->transfer;
             #  #  #  # ]
     990   [ #  #  #  #  :          0 :         firm_ctx->offset += firm_ctx->transfer;
             #  #  #  # ]
     991   [ #  #  #  #  :          0 :         firm_ctx->size_remaining -= firm_ctx->transfer;
             #  #  #  # ]
     992                 :            : 
     993   [ #  #  #  #  :          0 :         switch (firm_ctx->size_remaining) {
                   #  # ]
     994                 :          0 :         case 0:
     995                 :            :                 /* firmware download completed. Commit firmware */
     996         [ #  # ]:          0 :                 memset(&fw_commit, 0, sizeof(struct spdk_nvme_fw_commit));
     997                 :          0 :                 fw_commit.fs = slot;
     998                 :          0 :                 fw_commit.ca = commit_action;
     999                 :            : 
    1000                 :          0 :                 cmd.opc = SPDK_NVME_OPC_FIRMWARE_COMMIT;
    1001   [ #  #  #  #  :          0 :                 memcpy(&cmd.cdw10, &fw_commit, sizeof(uint32_t));
                   #  # ]
    1002   [ #  #  #  #  :          0 :                 rc = spdk_bdev_nvme_admin_passthru(firm_ctx->desc, firm_ctx->ch, &cmd, NULL, 0,
             #  #  #  # ]
    1003                 :          0 :                                                    apply_firmware_complete_reset, firm_ctx);
    1004         [ #  # ]:          0 :                 if (rc) {
    1005   [ #  #  #  # ]:          0 :                         spdk_jsonrpc_send_error_response(firm_ctx->request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
    1006                 :            :                                                          "firmware commit failed.");
    1007                 :          0 :                         apply_firmware_cleanup(firm_ctx);
    1008                 :          0 :                         return;
    1009                 :            :                 }
    1010                 :          0 :                 break;
    1011                 :          0 :         default:
    1012   [ #  #  #  #  :          0 :                 firm_ctx->transfer = spdk_min(firm_ctx->size_remaining, 4096);
          #  #  #  #  #  
             #  #  #  #  
                      # ]
    1013                 :          0 :                 cmd.opc = SPDK_NVME_OPC_FIRMWARE_IMAGE_DOWNLOAD;
    1014                 :            : 
    1015   [ #  #  #  #  :          0 :                 cmd.cdw10 = spdk_nvme_bytes_to_numd(firm_ctx->transfer);
             #  #  #  # ]
    1016   [ #  #  #  #  :          0 :                 cmd.cdw11 = firm_ctx->offset >> 2;
          #  #  #  #  #  
                      # ]
    1017   [ #  #  #  #  :          0 :                 rc = spdk_bdev_nvme_admin_passthru(firm_ctx->desc, firm_ctx->ch, &cmd, firm_ctx->p,
          #  #  #  #  #  
                #  #  # ]
    1018   [ #  #  #  # ]:          0 :                                                    firm_ctx->transfer, apply_firmware_complete, firm_ctx);
    1019         [ #  # ]:          0 :                 if (rc) {
    1020   [ #  #  #  # ]:          0 :                         spdk_jsonrpc_send_error_response(firm_ctx->request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
    1021                 :            :                                                          "firmware download failed.");
    1022                 :          0 :                         apply_firmware_cleanup(firm_ctx);
    1023                 :          0 :                         return;
    1024                 :            :                 }
    1025                 :          0 :                 break;
    1026                 :            :         }
    1027                 :          0 : }
    1028                 :            : 
    1029                 :            : static void
    1030                 :          0 : apply_firmware_complete(struct spdk_bdev_io *bdev_io, bool success, void *cb_arg)
    1031                 :            : {
    1032                 :          0 :         struct firmware_update_info *firm_ctx = cb_arg;
    1033                 :            : 
    1034                 :          0 :         spdk_bdev_free_io(bdev_io);
    1035                 :            : 
    1036   [ #  #  #  #  :          0 :         firm_ctx->success = success;
                   #  # ]
    1037                 :            : 
    1038   [ #  #  #  # ]:          0 :         spdk_thread_exec_msg(firm_ctx->orig_thread, _apply_firmware_complete, firm_ctx);
    1039                 :          0 : }
    1040                 :            : 
    1041                 :            : static void
    1042                 :          0 : apply_firmware_open_cb(enum spdk_bdev_event_type type, struct spdk_bdev *bdev, void *event_ctx)
    1043                 :            : {
    1044                 :          0 : }
    1045                 :            : 
    1046                 :            : static void
    1047                 :          6 : rpc_bdev_nvme_apply_firmware(struct spdk_jsonrpc_request *request,
    1048                 :            :                              const struct spdk_json_val *params)
    1049                 :            : {
    1050                 :            :         int                                     rc;
    1051                 :          6 :         int                                     fd = -1;
    1052                 :          3 :         struct stat                             fw_stat;
    1053                 :            :         struct spdk_bdev                        *bdev;
    1054                 :          6 :         struct spdk_nvme_cmd                    cmd = {};
    1055                 :            :         struct firmware_update_info             *firm_ctx;
    1056                 :            : 
    1057                 :          6 :         firm_ctx = calloc(1, sizeof(struct firmware_update_info));
    1058         [ -  + ]:          6 :         if (!firm_ctx) {
    1059                 :          0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
    1060                 :            :                                                  "Memory allocation error.");
    1061                 :          0 :                 return;
    1062                 :            :         }
    1063   [ #  #  #  # ]:          6 :         firm_ctx->fw_image = NULL;
    1064   [ #  #  #  # ]:          6 :         firm_ctx->request = request;
    1065   [ #  #  #  # ]:          6 :         firm_ctx->orig_thread = spdk_get_thread();
    1066                 :            : 
    1067         [ -  + ]:          6 :         if (spdk_json_decode_object(params, rpc_apply_firmware_decoders,
    1068         [ #  # ]:          6 :                                     SPDK_COUNTOF(rpc_apply_firmware_decoders), &firm_ctx->req)) {
    1069                 :          0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
    1070                 :            :                                                  "spdk_json_decode_object failed.");
    1071                 :          0 :                 goto err;
    1072                 :            :         }
    1073                 :            : 
    1074   [ -  +  #  #  :          6 :         if (spdk_bdev_open_ext(firm_ctx->req.bdev_name, true, apply_firmware_open_cb, NULL,
          #  #  #  #  #  
                      # ]
    1075         [ #  # ]:          0 :                                &firm_ctx->desc) != 0) {
    1076                 :          0 :                 spdk_jsonrpc_send_error_response_fmt(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
    1077                 :            :                                                      "bdev %s could not be opened",
    1078   [ #  #  #  #  :          0 :                                                      firm_ctx->req.bdev_name);
                   #  # ]
    1079                 :          0 :                 goto err;
    1080                 :            :         }
    1081   [ #  #  #  # ]:          6 :         bdev = spdk_bdev_desc_get_bdev(firm_ctx->desc);
    1082                 :            : 
    1083   [ -  +  #  #  :          6 :         if ((firm_ctx->ctrlr = bdev_nvme_get_ctrlr(bdev)) == NULL) {
                   #  # ]
    1084                 :          0 :                 spdk_jsonrpc_send_error_response_fmt(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
    1085                 :            :                                                      "Controller information for %s were not found.",
    1086   [ #  #  #  #  :          0 :                                                      firm_ctx->req.bdev_name);
                   #  # ]
    1087                 :          0 :                 goto err;
    1088                 :            :         }
    1089                 :            : 
    1090   [ #  #  #  #  :          6 :         firm_ctx->ch = spdk_bdev_get_io_channel(firm_ctx->desc);
             #  #  #  # ]
    1091   [ -  +  #  #  :          6 :         if (!firm_ctx->ch) {
                   #  # ]
    1092                 :          0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
    1093                 :            :                                                  "No channels were found.");
    1094                 :          0 :                 goto err;
    1095                 :            :         }
    1096                 :            : 
    1097   [ -  +  #  #  :          6 :         fd = open(firm_ctx->req.filename, O_RDONLY);
             #  #  #  # ]
    1098         [ +  - ]:          6 :         if (fd < 0) {
    1099                 :          6 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
    1100                 :            :                                                  "open file failed.");
    1101                 :          6 :                 goto err;
    1102                 :            :         }
    1103                 :            : 
    1104         [ #  # ]:          0 :         rc = fstat(fd, &fw_stat);
    1105         [ #  # ]:          0 :         if (rc < 0) {
    1106                 :          0 :                 close(fd);
    1107                 :          0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
    1108                 :            :                                                  "fstat failed.");
    1109                 :          0 :                 goto err;
    1110                 :            :         }
    1111                 :            : 
    1112   [ #  #  #  #  :          0 :         firm_ctx->size = fw_stat.st_size;
                   #  # ]
    1113   [ #  #  #  #  :          0 :         if (fw_stat.st_size % 4) {
                   #  # ]
    1114                 :          0 :                 close(fd);
    1115                 :          0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
    1116                 :            :                                                  "Firmware image size is not multiple of 4.");
    1117                 :          0 :                 goto err;
    1118                 :            :         }
    1119                 :            : 
    1120   [ #  #  #  #  :          0 :         firm_ctx->fw_image = spdk_zmalloc(firm_ctx->size, 4096, NULL,
             #  #  #  # ]
    1121                 :            :                                           SPDK_ENV_LCORE_ID_ANY, SPDK_MALLOC_DMA);
    1122   [ #  #  #  #  :          0 :         if (!firm_ctx->fw_image) {
                   #  # ]
    1123                 :          0 :                 close(fd);
    1124                 :          0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
    1125                 :            :                                                  "Memory allocation error.");
    1126                 :          0 :                 goto err;
    1127                 :            :         }
    1128   [ #  #  #  #  :          0 :         firm_ctx->p = firm_ctx->fw_image;
             #  #  #  # ]
    1129                 :            : 
    1130   [ #  #  #  #  :          0 :         if (read(fd, firm_ctx->p, firm_ctx->size) != ((ssize_t)(firm_ctx->size))) {
          #  #  #  #  #  
             #  #  #  #  
                      # ]
    1131                 :          0 :                 close(fd);
    1132                 :          0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
    1133                 :            :                                                  "Read firmware image failed!");
    1134                 :          0 :                 goto err;
    1135                 :            :         }
    1136                 :          0 :         close(fd);
    1137                 :            : 
    1138   [ #  #  #  # ]:          0 :         firm_ctx->offset = 0;
    1139   [ #  #  #  #  :          0 :         firm_ctx->size_remaining = firm_ctx->size;
             #  #  #  # ]
    1140   [ #  #  #  #  :          0 :         firm_ctx->transfer = spdk_min(firm_ctx->size_remaining, 4096);
          #  #  #  #  #  
             #  #  #  #  
                      # ]
    1141                 :            : 
    1142                 :          0 :         cmd.opc = SPDK_NVME_OPC_FIRMWARE_IMAGE_DOWNLOAD;
    1143   [ #  #  #  #  :          0 :         cmd.cdw10 = spdk_nvme_bytes_to_numd(firm_ctx->transfer);
             #  #  #  # ]
    1144   [ #  #  #  #  :          0 :         cmd.cdw11 = firm_ctx->offset >> 2;
          #  #  #  #  #  
                      # ]
    1145                 :            : 
    1146   [ #  #  #  #  :          0 :         rc = spdk_bdev_nvme_admin_passthru(firm_ctx->desc, firm_ctx->ch, &cmd, firm_ctx->p,
          #  #  #  #  #  
                #  #  # ]
    1147   [ #  #  #  # ]:          0 :                                            firm_ctx->transfer, apply_firmware_complete, firm_ctx);
    1148         [ #  # ]:          0 :         if (rc == 0) {
    1149                 :            :                 /* normal return here. */
    1150                 :          0 :                 return;
    1151                 :            :         }
    1152                 :            : 
    1153                 :          0 :         spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
    1154                 :            :                                          "Read firmware image failed!");
    1155                 :          6 : err:
    1156                 :          6 :         apply_firmware_cleanup(firm_ctx);
    1157                 :          0 : }
    1158                 :       2107 : SPDK_RPC_REGISTER("bdev_nvme_apply_firmware", rpc_bdev_nvme_apply_firmware, SPDK_RPC_RUNTIME)
    1159                 :            : 
    1160                 :            : struct rpc_bdev_nvme_transport_stat_ctx {
    1161                 :            :         struct spdk_jsonrpc_request *request;
    1162                 :            :         struct spdk_json_write_ctx *w;
    1163                 :            : };
    1164                 :            : 
    1165                 :            : static void
    1166                 :          0 : rpc_bdev_nvme_rdma_stats(struct spdk_json_write_ctx *w,
    1167                 :            :                          struct spdk_nvme_transport_poll_group_stat *stat)
    1168                 :            : {
    1169                 :            :         struct spdk_nvme_rdma_device_stat *device_stats;
    1170                 :            :         uint32_t i;
    1171                 :            : 
    1172                 :          0 :         spdk_json_write_named_array_begin(w, "devices");
    1173                 :            : 
    1174   [ #  #  #  #  :          0 :         for (i = 0; i < stat->rdma.num_devices; i++) {
          #  #  #  #  #  
                      # ]
    1175   [ #  #  #  #  :          0 :                 device_stats = &stat->rdma.device_stats[i];
          #  #  #  #  #  
                      # ]
    1176                 :          0 :                 spdk_json_write_object_begin(w);
    1177   [ #  #  #  # ]:          0 :                 spdk_json_write_named_string(w, "dev_name", device_stats->name);
    1178   [ #  #  #  # ]:          0 :                 spdk_json_write_named_uint64(w, "polls", device_stats->polls);
    1179   [ #  #  #  # ]:          0 :                 spdk_json_write_named_uint64(w, "idle_polls", device_stats->idle_polls);
    1180   [ #  #  #  # ]:          0 :                 spdk_json_write_named_uint64(w, "completions", device_stats->completions);
    1181   [ #  #  #  # ]:          0 :                 spdk_json_write_named_uint64(w, "queued_requests", device_stats->queued_requests);
    1182   [ #  #  #  # ]:          0 :                 spdk_json_write_named_uint64(w, "total_send_wrs", device_stats->total_send_wrs);
    1183   [ #  #  #  # ]:          0 :                 spdk_json_write_named_uint64(w, "send_doorbell_updates", device_stats->send_doorbell_updates);
    1184   [ #  #  #  # ]:          0 :                 spdk_json_write_named_uint64(w, "total_recv_wrs", device_stats->total_recv_wrs);
    1185   [ #  #  #  # ]:          0 :                 spdk_json_write_named_uint64(w, "recv_doorbell_updates", device_stats->recv_doorbell_updates);
    1186                 :          0 :                 spdk_json_write_object_end(w);
    1187                 :          0 :         }
    1188                 :          0 :         spdk_json_write_array_end(w);
    1189                 :          0 : }
    1190                 :            : 
    1191                 :            : static void
    1192                 :          0 : rpc_bdev_nvme_pcie_stats(struct spdk_json_write_ctx *w,
    1193                 :            :                          struct spdk_nvme_transport_poll_group_stat *stat)
    1194                 :            : {
    1195   [ #  #  #  #  :          0 :         spdk_json_write_named_uint64(w, "polls", stat->pcie.polls);
             #  #  #  # ]
    1196   [ #  #  #  #  :          0 :         spdk_json_write_named_uint64(w, "idle_polls", stat->pcie.idle_polls);
             #  #  #  # ]
    1197   [ #  #  #  #  :          0 :         spdk_json_write_named_uint64(w, "completions", stat->pcie.completions);
             #  #  #  # ]
    1198   [ #  #  #  #  :          0 :         spdk_json_write_named_uint64(w, "cq_mmio_doorbell_updates", stat->pcie.cq_mmio_doorbell_updates);
             #  #  #  # ]
    1199                 :          0 :         spdk_json_write_named_uint64(w, "cq_shadow_doorbell_updates",
    1200   [ #  #  #  #  :          0 :                                      stat->pcie.cq_shadow_doorbell_updates);
             #  #  #  # ]
    1201   [ #  #  #  #  :          0 :         spdk_json_write_named_uint64(w, "queued_requests", stat->pcie.queued_requests);
             #  #  #  # ]
    1202   [ #  #  #  #  :          0 :         spdk_json_write_named_uint64(w, "submitted_requests", stat->pcie.submitted_requests);
             #  #  #  # ]
    1203   [ #  #  #  #  :          0 :         spdk_json_write_named_uint64(w, "sq_mmio_doorbell_updates", stat->pcie.sq_mmio_doorbell_updates);
             #  #  #  # ]
    1204                 :          0 :         spdk_json_write_named_uint64(w, "sq_shadow_doorbell_updates",
    1205   [ #  #  #  #  :          0 :                                      stat->pcie.sq_shadow_doorbell_updates);
             #  #  #  # ]
    1206                 :          0 : }
    1207                 :            : 
    1208                 :            : static void
    1209                 :          0 : rpc_bdev_nvme_tcp_stats(struct spdk_json_write_ctx *w,
    1210                 :            :                         struct spdk_nvme_transport_poll_group_stat *stat)
    1211                 :            : {
    1212   [ #  #  #  #  :          0 :         spdk_json_write_named_uint64(w, "polls", stat->tcp.polls);
             #  #  #  # ]
    1213   [ #  #  #  #  :          0 :         spdk_json_write_named_uint64(w, "idle_polls", stat->tcp.idle_polls);
             #  #  #  # ]
    1214   [ #  #  #  #  :          0 :         spdk_json_write_named_uint64(w, "socket_completions", stat->tcp.socket_completions);
             #  #  #  # ]
    1215   [ #  #  #  #  :          0 :         spdk_json_write_named_uint64(w, "nvme_completions", stat->tcp.nvme_completions);
             #  #  #  # ]
    1216   [ #  #  #  #  :          0 :         spdk_json_write_named_uint64(w, "queued_requests", stat->tcp.queued_requests);
             #  #  #  # ]
    1217   [ #  #  #  #  :          0 :         spdk_json_write_named_uint64(w, "submitted_requests", stat->tcp.submitted_requests);
             #  #  #  # ]
    1218                 :          0 : }
    1219                 :            : 
    1220                 :            : static void
    1221                 :          0 : rpc_bdev_nvme_stats_per_channel(struct spdk_io_channel_iter *i)
    1222                 :            : {
    1223                 :            :         struct rpc_bdev_nvme_transport_stat_ctx *ctx;
    1224                 :            :         struct spdk_io_channel *ch;
    1225                 :            :         struct nvme_poll_group *group;
    1226                 :          0 :         struct spdk_nvme_poll_group_stat *stat;
    1227                 :            :         struct spdk_nvme_transport_poll_group_stat *tr_stat;
    1228                 :            :         uint32_t j;
    1229                 :            :         int rc;
    1230                 :            : 
    1231                 :          0 :         ctx = spdk_io_channel_iter_get_ctx(i);
    1232                 :          0 :         ch = spdk_io_channel_iter_get_channel(i);
    1233                 :          0 :         group = spdk_io_channel_get_ctx(ch);
    1234                 :            : 
    1235   [ #  #  #  # ]:          0 :         rc = spdk_nvme_poll_group_get_stats(group->group, &stat);
    1236         [ #  # ]:          0 :         if (rc) {
    1237                 :          0 :                 spdk_for_each_channel_continue(i, rc);
    1238                 :          0 :                 return;
    1239                 :            :         }
    1240                 :            : 
    1241   [ #  #  #  # ]:          0 :         spdk_json_write_object_begin(ctx->w);
    1242   [ #  #  #  # ]:          0 :         spdk_json_write_named_string(ctx->w, "thread", spdk_thread_get_name(spdk_get_thread()));
    1243   [ #  #  #  # ]:          0 :         spdk_json_write_named_array_begin(ctx->w, "transports");
    1244                 :            : 
    1245   [ #  #  #  #  :          0 :         for (j = 0; j < stat->num_transports; j++) {
                   #  # ]
    1246   [ #  #  #  #  :          0 :                 tr_stat = stat->transport_stat[j];
             #  #  #  # ]
    1247   [ #  #  #  # ]:          0 :                 spdk_json_write_object_begin(ctx->w);
    1248   [ #  #  #  #  :          0 :                 spdk_json_write_named_string(ctx->w, "trname", spdk_nvme_transport_id_trtype_str(tr_stat->trtype));
             #  #  #  # ]
    1249                 :            : 
    1250   [ #  #  #  #  :          0 :                 switch (stat->transport_stat[j]->trtype) {
          #  #  #  #  #  
          #  #  #  #  #  
                   #  # ]
    1251                 :          0 :                 case SPDK_NVME_TRANSPORT_RDMA:
    1252   [ #  #  #  # ]:          0 :                         rpc_bdev_nvme_rdma_stats(ctx->w, tr_stat);
    1253                 :          0 :                         break;
    1254                 :          0 :                 case SPDK_NVME_TRANSPORT_PCIE:
    1255                 :            :                 case SPDK_NVME_TRANSPORT_VFIOUSER:
    1256   [ #  #  #  # ]:          0 :                         rpc_bdev_nvme_pcie_stats(ctx->w, tr_stat);
    1257                 :          0 :                         break;
    1258                 :          0 :                 case SPDK_NVME_TRANSPORT_TCP:
    1259   [ #  #  #  # ]:          0 :                         rpc_bdev_nvme_tcp_stats(ctx->w, tr_stat);
    1260                 :          0 :                         break;
    1261                 :          0 :                 default:
    1262   [ #  #  #  #  :          0 :                         SPDK_WARNLOG("Can't handle trtype %d %s\n", tr_stat->trtype,
             #  #  #  # ]
    1263                 :            :                                      spdk_nvme_transport_id_trtype_str(tr_stat->trtype));
    1264                 :          0 :                 }
    1265   [ #  #  #  # ]:          0 :                 spdk_json_write_object_end(ctx->w);
    1266                 :          0 :         }
    1267                 :            :         /* transports array */
    1268   [ #  #  #  # ]:          0 :         spdk_json_write_array_end(ctx->w);
    1269   [ #  #  #  # ]:          0 :         spdk_json_write_object_end(ctx->w);
    1270                 :            : 
    1271   [ #  #  #  # ]:          0 :         spdk_nvme_poll_group_free_stats(group->group, stat);
    1272                 :          0 :         spdk_for_each_channel_continue(i, 0);
    1273                 :          0 : }
    1274                 :            : 
    1275                 :            : static void
    1276                 :          0 : rpc_bdev_nvme_stats_done(struct spdk_io_channel_iter *i, int status)
    1277                 :            : {
    1278                 :          0 :         struct rpc_bdev_nvme_transport_stat_ctx *ctx = spdk_io_channel_iter_get_ctx(i);
    1279                 :            : 
    1280   [ #  #  #  # ]:          0 :         spdk_json_write_array_end(ctx->w);
    1281   [ #  #  #  # ]:          0 :         spdk_json_write_object_end(ctx->w);
    1282   [ #  #  #  #  :          0 :         spdk_jsonrpc_end_result(ctx->request, ctx->w);
             #  #  #  # ]
    1283                 :          0 :         free(ctx);
    1284                 :          0 : }
    1285                 :            : 
    1286                 :            : static void
    1287                 :          0 : rpc_bdev_nvme_get_transport_statistics(struct spdk_jsonrpc_request *request,
    1288                 :            :                                        const struct spdk_json_val *params)
    1289                 :            : {
    1290                 :            :         struct rpc_bdev_nvme_transport_stat_ctx *ctx;
    1291                 :            : 
    1292         [ #  # ]:          0 :         if (params) {
    1293                 :          0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
    1294                 :            :                                                  "'bdev_nvme_get_transport_statistics' requires no arguments");
    1295                 :          0 :                 return;
    1296                 :            :         }
    1297                 :            : 
    1298                 :          0 :         ctx = calloc(1, sizeof(*ctx));
    1299         [ #  # ]:          0 :         if (!ctx) {
    1300                 :          0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
    1301                 :            :                                                  "Memory allocation error");
    1302                 :          0 :                 return;
    1303                 :            :         }
    1304   [ #  #  #  # ]:          0 :         ctx->request = request;
    1305   [ #  #  #  #  :          0 :         ctx->w = spdk_jsonrpc_begin_result(ctx->request);
             #  #  #  # ]
    1306   [ #  #  #  # ]:          0 :         spdk_json_write_object_begin(ctx->w);
    1307   [ #  #  #  # ]:          0 :         spdk_json_write_named_array_begin(ctx->w, "poll_groups");
    1308                 :            : 
    1309                 :          0 :         spdk_for_each_channel(&g_nvme_bdev_ctrlrs,
    1310                 :            :                               rpc_bdev_nvme_stats_per_channel,
    1311                 :          0 :                               ctx,
    1312                 :            :                               rpc_bdev_nvme_stats_done);
    1313                 :          0 : }
    1314                 :       2107 : SPDK_RPC_REGISTER("bdev_nvme_get_transport_statistics", rpc_bdev_nvme_get_transport_statistics,
    1315                 :            :                   SPDK_RPC_RUNTIME)
    1316                 :            : 
    1317                 :            : struct rpc_bdev_nvme_controller_op_req {
    1318                 :            :         char *name;
    1319                 :            :         uint16_t cntlid;
    1320                 :            : };
    1321                 :            : 
    1322                 :            : static void
    1323                 :          9 : free_rpc_bdev_nvme_controller_op_req(struct rpc_bdev_nvme_controller_op_req *r)
    1324                 :            : {
    1325   [ #  #  #  # ]:          9 :         free(r->name);
    1326                 :          9 : }
    1327                 :            : 
    1328                 :            : static const struct spdk_json_object_decoder rpc_bdev_nvme_controller_op_req_decoders[] = {
    1329                 :            :         {"name", offsetof(struct rpc_bdev_nvme_controller_op_req, name), spdk_json_decode_string},
    1330                 :            :         {"cntlid", offsetof(struct rpc_bdev_nvme_controller_op_req, cntlid), spdk_json_decode_uint16, true},
    1331                 :            : };
    1332                 :            : 
    1333                 :            : static void
    1334                 :          9 : rpc_bdev_nvme_controller_op_cb(void *cb_arg, int rc)
    1335                 :            : {
    1336                 :          9 :         struct spdk_jsonrpc_request *request = cb_arg;
    1337                 :            : 
    1338         [ +  - ]:          9 :         if (rc == 0) {
    1339                 :          9 :                 spdk_jsonrpc_send_bool_response(request, true);
    1340                 :          0 :         } else {
    1341         [ #  # ]:          0 :                 spdk_jsonrpc_send_error_response(request, rc, spdk_strerror(-rc));
    1342                 :            :         }
    1343                 :          9 : }
    1344                 :            : 
    1345                 :            : static void
    1346                 :          9 : rpc_bdev_nvme_controller_op(struct spdk_jsonrpc_request *request,
    1347                 :            :                             const struct spdk_json_val *params,
    1348                 :            :                             enum nvme_ctrlr_op op)
    1349                 :            : {
    1350                 :          9 :         struct rpc_bdev_nvme_controller_op_req req = {NULL};
    1351                 :            :         struct nvme_bdev_ctrlr *nbdev_ctrlr;
    1352                 :            :         struct nvme_ctrlr *nvme_ctrlr;
    1353                 :            : 
    1354         [ -  + ]:          9 :         if (spdk_json_decode_object(params, rpc_bdev_nvme_controller_op_req_decoders,
    1355                 :            :                                     SPDK_COUNTOF(rpc_bdev_nvme_controller_op_req_decoders),
    1356                 :            :                                     &req)) {
    1357                 :          0 :                 SPDK_ERRLOG("spdk_json_decode_object failed\n");
    1358                 :          0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, spdk_strerror(EINVAL));
    1359                 :          0 :                 goto exit;
    1360                 :            :         }
    1361                 :            : 
    1362                 :          9 :         nbdev_ctrlr = nvme_bdev_ctrlr_get_by_name(req.name);
    1363         [ -  + ]:          9 :         if (nbdev_ctrlr == NULL) {
    1364                 :          0 :                 SPDK_ERRLOG("Failed at NVMe bdev controller lookup\n");
    1365                 :          0 :                 spdk_jsonrpc_send_error_response(request, -ENODEV, spdk_strerror(ENODEV));
    1366                 :          0 :                 goto exit;
    1367                 :            :         }
    1368                 :            : 
    1369   [ +  -  #  # ]:          9 :         if (req.cntlid == 0) {
    1370                 :          9 :                 nvme_bdev_ctrlr_op_rpc(nbdev_ctrlr, op, rpc_bdev_nvme_controller_op_cb, request);
    1371                 :          0 :         } else {
    1372         [ #  # ]:          0 :                 nvme_ctrlr = nvme_bdev_ctrlr_get_ctrlr_by_id(nbdev_ctrlr, req.cntlid);
    1373         [ #  # ]:          0 :                 if (nvme_ctrlr == NULL) {
    1374                 :          0 :                         SPDK_ERRLOG("Failed at NVMe controller lookup\n");
    1375                 :          0 :                         spdk_jsonrpc_send_error_response(request, -ENODEV, spdk_strerror(ENODEV));
    1376                 :          0 :                         goto exit;
    1377                 :            :                 }
    1378                 :          0 :                 nvme_ctrlr_op_rpc(nvme_ctrlr, op, rpc_bdev_nvme_controller_op_cb, request);
    1379                 :            :         }
    1380                 :            : 
    1381                 :          9 : exit:
    1382                 :          9 :         free_rpc_bdev_nvme_controller_op_req(&req);
    1383                 :          9 : }
    1384                 :            : 
    1385                 :            : static void
    1386                 :          9 : rpc_bdev_nvme_reset_controller(struct spdk_jsonrpc_request *request,
    1387                 :            :                                const struct spdk_json_val *params)
    1388                 :            : {
    1389                 :          9 :         rpc_bdev_nvme_controller_op(request, params, NVME_CTRLR_OP_RESET);
    1390                 :          9 : }
    1391                 :       2107 : SPDK_RPC_REGISTER("bdev_nvme_reset_controller", rpc_bdev_nvme_reset_controller, SPDK_RPC_RUNTIME)
    1392                 :            : 
    1393                 :            : static void
    1394                 :          0 : rpc_bdev_nvme_enable_controller(struct spdk_jsonrpc_request *request,
    1395                 :            :                                 const struct spdk_json_val *params)
    1396                 :            : {
    1397                 :          0 :         rpc_bdev_nvme_controller_op(request, params, NVME_CTRLR_OP_ENABLE);
    1398                 :          0 : }
    1399                 :       2107 : SPDK_RPC_REGISTER("bdev_nvme_enable_controller", rpc_bdev_nvme_enable_controller, SPDK_RPC_RUNTIME)
    1400                 :            : 
    1401                 :            : static void
    1402                 :          0 : rpc_bdev_nvme_disable_controller(struct spdk_jsonrpc_request *request,
    1403                 :            :                                  const struct spdk_json_val *params)
    1404                 :            : {
    1405                 :          0 :         rpc_bdev_nvme_controller_op(request, params, NVME_CTRLR_OP_DISABLE);
    1406                 :          0 : }
    1407                 :       2107 : SPDK_RPC_REGISTER("bdev_nvme_disable_controller", rpc_bdev_nvme_disable_controller,
    1408                 :            :                   SPDK_RPC_RUNTIME)
    1409                 :            : 
    1410                 :            : struct rpc_get_controller_health_info {
    1411                 :            :         char *name;
    1412                 :            : };
    1413                 :            : 
    1414                 :            : struct spdk_nvme_health_info_context {
    1415                 :            :         struct spdk_jsonrpc_request *request;
    1416                 :            :         struct spdk_nvme_ctrlr *ctrlr;
    1417                 :            :         struct spdk_nvme_health_information_page health_page;
    1418                 :            : };
    1419                 :            : 
    1420                 :            : static void
    1421                 :          0 : free_rpc_get_controller_health_info(struct rpc_get_controller_health_info *r)
    1422                 :            : {
    1423   [ #  #  #  # ]:          0 :         free(r->name);
    1424                 :          0 : }
    1425                 :            : 
    1426                 :            : static const struct spdk_json_object_decoder rpc_get_controller_health_info_decoders[] = {
    1427                 :            :         {"name", offsetof(struct rpc_get_controller_health_info, name), spdk_json_decode_string, true},
    1428                 :            : };
    1429                 :            : 
    1430                 :            : static void
    1431                 :          0 : nvme_health_info_cleanup(struct spdk_nvme_health_info_context *context, bool response)
    1432                 :            : {
    1433   [ #  #  #  # ]:          0 :         if (response == true) {
    1434   [ #  #  #  # ]:          0 :                 spdk_jsonrpc_send_error_response(context->request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
    1435                 :            :                                                  "Internal error.");
    1436                 :          0 :         }
    1437                 :            : 
    1438                 :          0 :         free(context);
    1439                 :          0 : }
    1440                 :            : 
    1441                 :            : static void
    1442                 :          0 : get_health_log_page_completion(void *cb_arg, const struct spdk_nvme_cpl *cpl)
    1443                 :            : {
    1444                 :            :         int i;
    1445                 :          0 :         char buf[128];
    1446                 :          0 :         struct spdk_nvme_health_info_context *context = cb_arg;
    1447   [ #  #  #  # ]:          0 :         struct spdk_jsonrpc_request *request = context->request;
    1448                 :            :         struct spdk_json_write_ctx *w;
    1449   [ #  #  #  # ]:          0 :         struct spdk_nvme_ctrlr *ctrlr = context->ctrlr;
    1450                 :          0 :         const struct spdk_nvme_transport_id *trid = NULL;
    1451                 :          0 :         const struct spdk_nvme_ctrlr_data *cdata = NULL;
    1452                 :          0 :         struct spdk_nvme_health_information_page *health_page = NULL;
    1453                 :            : 
    1454   [ #  #  #  #  :          0 :         if (spdk_nvme_cpl_is_error(cpl)) {
          #  #  #  #  #  
          #  #  #  #  #  
                   #  # ]
    1455                 :          0 :                 nvme_health_info_cleanup(context, true);
    1456                 :          0 :                 SPDK_ERRLOG("get log page failed\n");
    1457                 :          0 :                 return;
    1458                 :            :         }
    1459                 :            : 
    1460         [ #  # ]:          0 :         if (ctrlr == NULL) {
    1461                 :          0 :                 nvme_health_info_cleanup(context, true);
    1462                 :          0 :                 SPDK_ERRLOG("ctrlr is NULL\n");
    1463                 :          0 :                 return;
    1464                 :            :         } else {
    1465                 :          0 :                 trid = spdk_nvme_ctrlr_get_transport_id(ctrlr);
    1466                 :          0 :                 cdata = spdk_nvme_ctrlr_get_data(ctrlr);
    1467         [ #  # ]:          0 :                 health_page = &(context->health_page);
    1468                 :            :         }
    1469                 :            : 
    1470                 :          0 :         w = spdk_jsonrpc_begin_result(request);
    1471                 :            : 
    1472                 :          0 :         spdk_json_write_object_begin(w);
    1473         [ #  # ]:          0 :         snprintf(buf, sizeof(cdata->mn) + 1, "%s", cdata->mn);
    1474                 :          0 :         spdk_str_trim(buf);
    1475                 :          0 :         spdk_json_write_named_string(w, "model_number", buf);
    1476         [ #  # ]:          0 :         snprintf(buf, sizeof(cdata->sn) + 1, "%s", cdata->sn);
    1477                 :          0 :         spdk_str_trim(buf);
    1478                 :          0 :         spdk_json_write_named_string(w, "serial_number", buf);
    1479         [ #  # ]:          0 :         snprintf(buf, sizeof(cdata->fr) + 1, "%s", cdata->fr);
    1480                 :          0 :         spdk_str_trim(buf);
    1481                 :          0 :         spdk_json_write_named_string(w, "firmware_revision", buf);
    1482         [ #  # ]:          0 :         spdk_json_write_named_string(w, "traddr", trid->traddr);
    1483   [ #  #  #  #  :          0 :         spdk_json_write_named_uint64(w, "critical_warning", health_page->critical_warning.raw);
                   #  # ]
    1484   [ #  #  #  #  :          0 :         spdk_json_write_named_uint64(w, "temperature_celsius", health_page->temperature - 273);
                   #  # ]
    1485   [ #  #  #  # ]:          0 :         spdk_json_write_named_uint64(w, "available_spare_percentage", health_page->available_spare);
    1486                 :          0 :         spdk_json_write_named_uint64(w, "available_spare_threshold_percentage",
    1487   [ #  #  #  # ]:          0 :                                      health_page->available_spare_threshold);
    1488   [ #  #  #  # ]:          0 :         spdk_json_write_named_uint64(w, "percentage_used", health_page->percentage_used);
    1489                 :          0 :         spdk_json_write_named_uint128(w, "data_units_read",
    1490   [ #  #  #  #  :          0 :                                       health_page->data_units_read[0], health_page->data_units_read[1]);
          #  #  #  #  #  
          #  #  #  #  #  
                   #  # ]
    1491                 :          0 :         spdk_json_write_named_uint128(w, "data_units_written",
    1492   [ #  #  #  #  :          0 :                                       health_page->data_units_written[0], health_page->data_units_written[1]);
          #  #  #  #  #  
          #  #  #  #  #  
                   #  # ]
    1493                 :          0 :         spdk_json_write_named_uint128(w, "host_read_commands",
    1494   [ #  #  #  #  :          0 :                                       health_page->host_read_commands[0], health_page->host_read_commands[1]);
          #  #  #  #  #  
          #  #  #  #  #  
                   #  # ]
    1495                 :          0 :         spdk_json_write_named_uint128(w, "host_write_commands",
    1496   [ #  #  #  #  :          0 :                                       health_page->host_write_commands[0], health_page->host_write_commands[1]);
          #  #  #  #  #  
          #  #  #  #  #  
                   #  # ]
    1497                 :          0 :         spdk_json_write_named_uint128(w, "controller_busy_time",
    1498   [ #  #  #  #  :          0 :                                       health_page->controller_busy_time[0], health_page->controller_busy_time[1]);
          #  #  #  #  #  
          #  #  #  #  #  
                   #  # ]
    1499                 :          0 :         spdk_json_write_named_uint128(w, "power_cycles",
    1500   [ #  #  #  #  :          0 :                                       health_page->power_cycles[0], health_page->power_cycles[1]);
          #  #  #  #  #  
          #  #  #  #  #  
                   #  # ]
    1501                 :          0 :         spdk_json_write_named_uint128(w, "power_on_hours",
    1502   [ #  #  #  #  :          0 :                                       health_page->power_on_hours[0], health_page->power_on_hours[1]);
          #  #  #  #  #  
          #  #  #  #  #  
                   #  # ]
    1503                 :          0 :         spdk_json_write_named_uint128(w, "unsafe_shutdowns",
    1504   [ #  #  #  #  :          0 :                                       health_page->unsafe_shutdowns[0], health_page->unsafe_shutdowns[1]);
          #  #  #  #  #  
          #  #  #  #  #  
                   #  # ]
    1505                 :          0 :         spdk_json_write_named_uint128(w, "media_errors",
    1506   [ #  #  #  #  :          0 :                                       health_page->media_errors[0], health_page->media_errors[1]);
          #  #  #  #  #  
          #  #  #  #  #  
                   #  # ]
    1507                 :          0 :         spdk_json_write_named_uint128(w, "num_err_log_entries",
    1508   [ #  #  #  #  :          0 :                                       health_page->num_error_info_log_entries[0], health_page->num_error_info_log_entries[1]);
          #  #  #  #  #  
          #  #  #  #  #  
                   #  # ]
    1509   [ #  #  #  # ]:          0 :         spdk_json_write_named_uint64(w, "warning_temperature_time_minutes", health_page->warning_temp_time);
    1510                 :          0 :         spdk_json_write_named_uint64(w, "critical_composite_temperature_time_minutes",
    1511   [ #  #  #  # ]:          0 :                                      health_page->critical_temp_time);
    1512   [ #  #  #  # ]:          0 :         for (i = 0; i < 8; i++) {
    1513   [ #  #  #  #  :          0 :                 if (health_page->temp_sensor[i] != 0) {
          #  #  #  #  #  
                      # ]
    1514   [ #  #  #  #  :          0 :                         spdk_json_write_named_uint64(w, "temperature_sensor_celsius", health_page->temp_sensor[i] - 273);
          #  #  #  #  #  
                      # ]
    1515                 :          0 :                 }
    1516                 :          0 :         }
    1517                 :          0 :         spdk_json_write_object_end(w);
    1518                 :            : 
    1519                 :          0 :         spdk_jsonrpc_end_result(request, w);
    1520                 :          0 :         nvme_health_info_cleanup(context, false);
    1521                 :          0 : }
    1522                 :            : 
    1523                 :            : static void
    1524                 :          0 : get_health_log_page(struct spdk_nvme_health_info_context *context)
    1525                 :            : {
    1526   [ #  #  #  # ]:          0 :         struct spdk_nvme_ctrlr *ctrlr = context->ctrlr;
    1527                 :            : 
    1528         [ #  # ]:          0 :         if (spdk_nvme_ctrlr_cmd_get_log_page(ctrlr, SPDK_NVME_LOG_HEALTH_INFORMATION,
    1529                 :            :                                              SPDK_NVME_GLOBAL_NS_TAG,
    1530         [ #  # ]:          0 :                                              &(context->health_page), sizeof(context->health_page), 0,
    1531                 :          0 :                                              get_health_log_page_completion, context)) {
    1532                 :          0 :                 nvme_health_info_cleanup(context, true);
    1533                 :          0 :                 SPDK_ERRLOG("spdk_nvme_ctrlr_cmd_get_log_page() failed\n");
    1534                 :          0 :         }
    1535                 :          0 : }
    1536                 :            : 
    1537                 :            : static void
    1538                 :          0 : get_temperature_threshold_feature_completion(void *cb_arg, const struct spdk_nvme_cpl *cpl)
    1539                 :            : {
    1540                 :          0 :         struct spdk_nvme_health_info_context *context = cb_arg;
    1541                 :            : 
    1542   [ #  #  #  #  :          0 :         if (spdk_nvme_cpl_is_error(cpl)) {
          #  #  #  #  #  
          #  #  #  #  #  
                   #  # ]
    1543                 :          0 :                 nvme_health_info_cleanup(context, true);
    1544                 :          0 :                 SPDK_ERRLOG("feature SPDK_NVME_FEAT_TEMPERATURE_THRESHOLD failed in completion\n");
    1545                 :          0 :         } else {
    1546                 :          0 :                 get_health_log_page(context);
    1547                 :            :         }
    1548                 :          0 : }
    1549                 :            : 
    1550                 :            : static int
    1551                 :          0 : get_temperature_threshold_feature(struct spdk_nvme_health_info_context *context)
    1552                 :            : {
    1553                 :          0 :         struct spdk_nvme_cmd cmd = {};
    1554                 :            : 
    1555                 :          0 :         cmd.opc = SPDK_NVME_OPC_GET_FEATURES;
    1556   [ #  #  #  # ]:          0 :         cmd.cdw10 = SPDK_NVME_FEAT_TEMPERATURE_THRESHOLD;
    1557                 :            : 
    1558   [ #  #  #  # ]:          0 :         return spdk_nvme_ctrlr_cmd_admin_raw(context->ctrlr, &cmd, NULL, 0,
    1559                 :          0 :                                              get_temperature_threshold_feature_completion, context);
    1560                 :            : }
    1561                 :            : 
    1562                 :            : static void
    1563                 :          0 : get_controller_health_info(struct spdk_jsonrpc_request *request, struct spdk_nvme_ctrlr *ctrlr)
    1564                 :            : {
    1565                 :            :         struct spdk_nvme_health_info_context *context;
    1566                 :            : 
    1567                 :          0 :         context = calloc(1, sizeof(struct spdk_nvme_health_info_context));
    1568         [ #  # ]:          0 :         if (!context) {
    1569                 :          0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
    1570                 :            :                                                  "Memory allocation error.");
    1571                 :          0 :                 return;
    1572                 :            :         }
    1573                 :            : 
    1574   [ #  #  #  # ]:          0 :         context->request = request;
    1575   [ #  #  #  # ]:          0 :         context->ctrlr = ctrlr;
    1576                 :            : 
    1577         [ #  # ]:          0 :         if (get_temperature_threshold_feature(context)) {
    1578                 :          0 :                 nvme_health_info_cleanup(context, true);
    1579                 :          0 :                 SPDK_ERRLOG("feature SPDK_NVME_FEAT_TEMPERATURE_THRESHOLD failed to submit\n");
    1580                 :          0 :         }
    1581                 :            : 
    1582                 :          0 :         return;
    1583                 :          0 : }
    1584                 :            : 
    1585                 :            : static void
    1586                 :          0 : rpc_bdev_nvme_get_controller_health_info(struct spdk_jsonrpc_request *request,
    1587                 :            :                 const struct spdk_json_val *params)
    1588                 :            : {
    1589                 :          0 :         struct rpc_get_controller_health_info req = {};
    1590                 :          0 :         struct nvme_ctrlr *nvme_ctrlr = NULL;
    1591                 :            : 
    1592         [ #  # ]:          0 :         if (!params) {
    1593                 :          0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
    1594                 :            :                                                  "Missing device name");
    1595                 :            : 
    1596                 :          0 :                 return;
    1597                 :            :         }
    1598         [ #  # ]:          0 :         if (spdk_json_decode_object(params, rpc_get_controller_health_info_decoders,
    1599                 :            :                                     SPDK_COUNTOF(rpc_get_controller_health_info_decoders), &req)) {
    1600                 :          0 :                 SPDK_ERRLOG("spdk_json_decode_object failed\n");
    1601                 :          0 :                 free_rpc_get_controller_health_info(&req);
    1602                 :          0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
    1603                 :            :                                                  "Invalid parameters");
    1604                 :            : 
    1605                 :          0 :                 return;
    1606                 :            :         }
    1607                 :            : 
    1608                 :          0 :         nvme_ctrlr = nvme_ctrlr_get_by_name(req.name);
    1609                 :            : 
    1610         [ #  # ]:          0 :         if (!nvme_ctrlr) {
    1611                 :          0 :                 SPDK_ERRLOG("nvme ctrlr name '%s' does not exist\n", req.name);
    1612                 :          0 :                 free_rpc_get_controller_health_info(&req);
    1613                 :          0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
    1614                 :            :                                                  "Device not found");
    1615                 :          0 :                 return;
    1616                 :            :         }
    1617                 :            : 
    1618   [ #  #  #  # ]:          0 :         get_controller_health_info(request, nvme_ctrlr->ctrlr);
    1619                 :          0 :         free_rpc_get_controller_health_info(&req);
    1620                 :            : 
    1621                 :          0 :         return;
    1622                 :          0 : }
    1623                 :       2107 : SPDK_RPC_REGISTER("bdev_nvme_get_controller_health_info",
    1624                 :            :                   rpc_bdev_nvme_get_controller_health_info, SPDK_RPC_RUNTIME)
    1625                 :            : 
    1626                 :            : struct rpc_bdev_nvme_start_discovery {
    1627                 :            :         char *name;
    1628                 :            :         char *trtype;
    1629                 :            :         char *adrfam;
    1630                 :            :         char *traddr;
    1631                 :            :         char *trsvcid;
    1632                 :            :         char *hostnqn;
    1633                 :            :         bool wait_for_attach;
    1634                 :            :         uint64_t attach_timeout_ms;
    1635                 :            :         struct spdk_nvme_ctrlr_opts opts;
    1636                 :            :         struct spdk_bdev_nvme_ctrlr_opts bdev_opts;
    1637                 :            : };
    1638                 :            : 
    1639                 :            : static void
    1640                 :         36 : free_rpc_bdev_nvme_start_discovery(struct rpc_bdev_nvme_start_discovery *req)
    1641                 :            : {
    1642   [ #  #  #  # ]:         36 :         free(req->name);
    1643   [ #  #  #  # ]:         36 :         free(req->trtype);
    1644   [ #  #  #  # ]:         36 :         free(req->adrfam);
    1645   [ #  #  #  # ]:         36 :         free(req->traddr);
    1646   [ #  #  #  # ]:         36 :         free(req->trsvcid);
    1647   [ #  #  #  # ]:         36 :         free(req->hostnqn);
    1648                 :         36 : }
    1649                 :            : 
    1650                 :            : static const struct spdk_json_object_decoder rpc_bdev_nvme_start_discovery_decoders[] = {
    1651                 :            :         {"name", offsetof(struct rpc_bdev_nvme_start_discovery, name), spdk_json_decode_string},
    1652                 :            :         {"trtype", offsetof(struct rpc_bdev_nvme_start_discovery, trtype), spdk_json_decode_string},
    1653                 :            :         {"traddr", offsetof(struct rpc_bdev_nvme_start_discovery, traddr), spdk_json_decode_string},
    1654                 :            :         {"adrfam", offsetof(struct rpc_bdev_nvme_start_discovery, adrfam), spdk_json_decode_string, true},
    1655                 :            :         {"trsvcid", offsetof(struct rpc_bdev_nvme_start_discovery, trsvcid), spdk_json_decode_string, true},
    1656                 :            :         {"hostnqn", offsetof(struct rpc_bdev_nvme_start_discovery, hostnqn), spdk_json_decode_string, true},
    1657                 :            :         {"wait_for_attach", offsetof(struct rpc_bdev_nvme_start_discovery, wait_for_attach), spdk_json_decode_bool, true},
    1658                 :            :         {"attach_timeout_ms", offsetof(struct rpc_bdev_nvme_start_discovery, attach_timeout_ms), spdk_json_decode_uint64, true},
    1659                 :            :         {"ctrlr_loss_timeout_sec", offsetof(struct rpc_bdev_nvme_start_discovery, bdev_opts.ctrlr_loss_timeout_sec), spdk_json_decode_int32, true},
    1660                 :            :         {"reconnect_delay_sec", offsetof(struct rpc_bdev_nvme_start_discovery, bdev_opts.reconnect_delay_sec), spdk_json_decode_uint32, true},
    1661                 :            :         {"fast_io_fail_timeout_sec", offsetof(struct rpc_bdev_nvme_start_discovery, bdev_opts.fast_io_fail_timeout_sec), spdk_json_decode_uint32, true},
    1662                 :            : };
    1663                 :            : 
    1664                 :            : struct rpc_bdev_nvme_start_discovery_ctx {
    1665                 :            :         struct rpc_bdev_nvme_start_discovery req;
    1666                 :            :         struct spdk_jsonrpc_request *request;
    1667                 :            : };
    1668                 :            : 
    1669                 :            : static void
    1670                 :         30 : rpc_bdev_nvme_start_discovery_done(void *ctx, int status)
    1671                 :            : {
    1672                 :         30 :         struct spdk_jsonrpc_request *request = ctx;
    1673                 :            : 
    1674         [ +  + ]:         30 :         if (status != 0) {
    1675         [ #  # ]:          5 :                 spdk_jsonrpc_send_error_response(request, status, spdk_strerror(-status));
    1676                 :          0 :         } else {
    1677                 :         25 :                 spdk_jsonrpc_send_bool_response(request, true);
    1678                 :            :         }
    1679                 :         30 : }
    1680                 :            : 
    1681                 :            : static void
    1682                 :         36 : rpc_bdev_nvme_start_discovery(struct spdk_jsonrpc_request *request,
    1683                 :            :                               const struct spdk_json_val *params)
    1684                 :            : {
    1685                 :            :         struct rpc_bdev_nvme_start_discovery_ctx *ctx;
    1686                 :         36 :         struct spdk_nvme_transport_id trid = {};
    1687                 :            :         size_t len, maxlen;
    1688                 :            :         int rc;
    1689                 :            :         spdk_bdev_nvme_start_discovery_fn cb_fn;
    1690                 :            :         void *cb_ctx;
    1691                 :            : 
    1692                 :         36 :         ctx = calloc(1, sizeof(*ctx));
    1693         [ -  + ]:         36 :         if (!ctx) {
    1694                 :          0 :                 spdk_jsonrpc_send_error_response(request, -ENOMEM, spdk_strerror(ENOMEM));
    1695                 :          0 :                 return;
    1696                 :            :         }
    1697                 :            : 
    1698   [ #  #  #  # ]:         36 :         spdk_nvme_ctrlr_get_default_ctrlr_opts(&ctx->req.opts, sizeof(ctx->req.opts));
    1699                 :            : 
    1700         [ -  + ]:         36 :         if (spdk_json_decode_object(params, rpc_bdev_nvme_start_discovery_decoders,
    1701                 :            :                                     SPDK_COUNTOF(rpc_bdev_nvme_start_discovery_decoders),
    1702         [ #  # ]:         36 :                                     &ctx->req)) {
    1703                 :          0 :                 SPDK_ERRLOG("spdk_json_decode_object failed\n");
    1704                 :          0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
    1705                 :            :                                                  "spdk_json_decode_object failed");
    1706                 :          0 :                 goto cleanup;
    1707                 :            :         }
    1708                 :            : 
    1709                 :            :         /* Parse trstring */
    1710   [ #  #  #  #  :         36 :         rc = spdk_nvme_transport_id_populate_trstring(&trid, ctx->req.trtype);
                   #  # ]
    1711         [ -  + ]:         36 :         if (rc < 0) {
    1712   [ #  #  #  #  :          0 :                 SPDK_ERRLOG("Failed to parse trtype: %s\n", ctx->req.trtype);
                   #  # ]
    1713                 :          0 :                 spdk_jsonrpc_send_error_response_fmt(request, -EINVAL, "Failed to parse trtype: %s",
    1714   [ #  #  #  #  :          0 :                                                      ctx->req.trtype);
                   #  # ]
    1715                 :          0 :                 goto cleanup;
    1716                 :            :         }
    1717                 :            : 
    1718                 :            :         /* Parse trtype */
    1719   [ #  #  #  #  :         36 :         rc = spdk_nvme_transport_id_parse_trtype(&trid.trtype, ctx->req.trtype);
                   #  # ]
    1720   [ -  +  #  # ]:         36 :         assert(rc == 0);
    1721                 :            : 
    1722                 :            :         /* Parse traddr */
    1723                 :         36 :         maxlen = sizeof(trid.traddr);
    1724   [ -  +  #  #  :         36 :         len = strnlen(ctx->req.traddr, maxlen);
             #  #  #  # ]
    1725         [ -  + ]:         36 :         if (len == maxlen) {
    1726                 :          0 :                 spdk_jsonrpc_send_error_response_fmt(request, -EINVAL, "traddr too long: %s",
    1727   [ #  #  #  #  :          0 :                                                      ctx->req.traddr);
                   #  # ]
    1728                 :          0 :                 goto cleanup;
    1729                 :            :         }
    1730   [ -  +  #  #  :         36 :         memcpy(trid.traddr, ctx->req.traddr, len + 1);
          #  #  #  #  #  
                      # ]
    1731                 :            : 
    1732                 :            :         /* Parse adrfam */
    1733   [ +  -  #  #  :         36 :         if (ctx->req.adrfam) {
             #  #  #  # ]
    1734   [ #  #  #  #  :         36 :                 rc = spdk_nvme_transport_id_parse_adrfam(&trid.adrfam, ctx->req.adrfam);
                   #  # ]
    1735         [ -  + ]:         36 :                 if (rc < 0) {
    1736   [ #  #  #  #  :          0 :                         SPDK_ERRLOG("Failed to parse adrfam: %s\n", ctx->req.adrfam);
                   #  # ]
    1737                 :          0 :                         spdk_jsonrpc_send_error_response_fmt(request, -EINVAL, "Failed to parse adrfam: %s",
    1738   [ #  #  #  #  :          0 :                                                              ctx->req.adrfam);
                   #  # ]
    1739                 :          0 :                         goto cleanup;
    1740                 :            :                 }
    1741                 :          0 :         }
    1742                 :            : 
    1743                 :            :         /* Parse trsvcid */
    1744   [ +  -  #  #  :         36 :         if (ctx->req.trsvcid) {
             #  #  #  # ]
    1745                 :         36 :                 maxlen = sizeof(trid.trsvcid);
    1746   [ -  +  #  #  :         36 :                 len = strnlen(ctx->req.trsvcid, maxlen);
             #  #  #  # ]
    1747         [ -  + ]:         36 :                 if (len == maxlen) {
    1748                 :          0 :                         spdk_jsonrpc_send_error_response_fmt(request, -EINVAL, "trsvcid too long: %s",
    1749   [ #  #  #  #  :          0 :                                                              ctx->req.trsvcid);
                   #  # ]
    1750                 :          0 :                         goto cleanup;
    1751                 :            :                 }
    1752   [ -  +  #  #  :         36 :                 memcpy(trid.trsvcid, ctx->req.trsvcid, len + 1);
          #  #  #  #  #  
                      # ]
    1753                 :          0 :         }
    1754                 :            : 
    1755   [ +  -  #  #  :         36 :         if (ctx->req.hostnqn) {
             #  #  #  # ]
    1756   [ #  #  #  #  :         36 :                 snprintf(ctx->req.opts.hostnqn, sizeof(ctx->req.opts.hostnqn), "%s",
                   #  # ]
    1757   [ #  #  #  #  :          0 :                          ctx->req.hostnqn);
                   #  # ]
    1758                 :          0 :         }
    1759                 :            : 
    1760   [ +  +  #  #  :         36 :         if (ctx->req.attach_timeout_ms != 0) {
             #  #  #  # ]
    1761   [ #  #  #  #  :         21 :                 ctx->req.wait_for_attach = true;
                   #  # ]
    1762                 :          0 :         }
    1763                 :            : 
    1764   [ #  #  #  # ]:         36 :         ctx->request = request;
    1765   [ -  +  +  +  :         36 :         cb_fn = ctx->req.wait_for_attach ? rpc_bdev_nvme_start_discovery_done : NULL;
             #  #  #  # ]
    1766   [ -  +  +  +  :         36 :         cb_ctx = ctx->req.wait_for_attach ? request : NULL;
          #  #  #  #  #  
                      # ]
    1767   [ #  #  #  #  :         36 :         rc = bdev_nvme_start_discovery(&trid, ctx->req.name, &ctx->req.opts, &ctx->req.bdev_opts,
          #  #  #  #  #  
             #  #  #  #  
                      # ]
    1768   [ #  #  #  #  :          0 :                                        ctx->req.attach_timeout_ms, false, cb_fn, cb_ctx);
                   #  # ]
    1769         [ +  + ]:         36 :         if (rc) {
    1770         [ #  # ]:          6 :                 spdk_jsonrpc_send_error_response(request, rc, spdk_strerror(-rc));
    1771   [ -  +  +  +  :         30 :         } else if (!ctx->req.wait_for_attach) {
          #  #  #  #  #  
                      # ]
    1772                 :          3 :                 rpc_bdev_nvme_start_discovery_done(request, 0);
    1773                 :          0 :         }
    1774                 :            : 
    1775                 :         27 : cleanup:
    1776         [ #  # ]:         36 :         free_rpc_bdev_nvme_start_discovery(&ctx->req);
    1777                 :         36 :         free(ctx);
    1778                 :          0 : }
    1779                 :       2107 : SPDK_RPC_REGISTER("bdev_nvme_start_discovery", rpc_bdev_nvme_start_discovery,
    1780                 :            :                   SPDK_RPC_RUNTIME)
    1781                 :            : 
    1782                 :            : struct rpc_bdev_nvme_stop_discovery {
    1783                 :            :         char *name;
    1784                 :            : };
    1785                 :            : 
    1786                 :            : static const struct spdk_json_object_decoder rpc_bdev_nvme_stop_discovery_decoders[] = {
    1787                 :            :         {"name", offsetof(struct rpc_bdev_nvme_stop_discovery, name), spdk_json_decode_string},
    1788                 :            : };
    1789                 :            : 
    1790                 :            : struct rpc_bdev_nvme_stop_discovery_ctx {
    1791                 :            :         struct rpc_bdev_nvme_stop_discovery req;
    1792                 :            :         struct spdk_jsonrpc_request *request;
    1793                 :            : };
    1794                 :            : 
    1795                 :            : static void
    1796                 :         19 : rpc_bdev_nvme_stop_discovery_done(void *cb_ctx)
    1797                 :            : {
    1798                 :         19 :         struct rpc_bdev_nvme_stop_discovery_ctx *ctx = cb_ctx;
    1799                 :            : 
    1800   [ #  #  #  # ]:         19 :         spdk_jsonrpc_send_bool_response(ctx->request, true);
    1801   [ #  #  #  #  :         19 :         free(ctx->req.name);
                   #  # ]
    1802                 :         19 :         free(ctx);
    1803                 :         19 : }
    1804                 :            : 
    1805                 :            : static void
    1806                 :         19 : rpc_bdev_nvme_stop_discovery(struct spdk_jsonrpc_request *request,
    1807                 :            :                              const struct spdk_json_val *params)
    1808                 :            : {
    1809                 :            :         struct rpc_bdev_nvme_stop_discovery_ctx *ctx;
    1810                 :            :         int rc;
    1811                 :            : 
    1812                 :         19 :         ctx = calloc(1, sizeof(*ctx));
    1813         [ -  + ]:         19 :         if (!ctx) {
    1814                 :          0 :                 spdk_jsonrpc_send_error_response(request, -ENOMEM, spdk_strerror(ENOMEM));
    1815                 :          0 :                 return;
    1816                 :            :         }
    1817                 :            : 
    1818         [ -  + ]:         19 :         if (spdk_json_decode_object(params, rpc_bdev_nvme_stop_discovery_decoders,
    1819                 :            :                                     SPDK_COUNTOF(rpc_bdev_nvme_stop_discovery_decoders),
    1820         [ #  # ]:         19 :                                     &ctx->req)) {
    1821                 :          0 :                 SPDK_ERRLOG("spdk_json_decode_object failed\n");
    1822                 :          0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
    1823                 :            :                                                  "spdk_json_decode_object failed");
    1824                 :          0 :                 goto cleanup;
    1825                 :            :         }
    1826                 :            : 
    1827   [ #  #  #  # ]:         19 :         ctx->request = request;
    1828   [ #  #  #  #  :         19 :         rc = bdev_nvme_stop_discovery(ctx->req.name, rpc_bdev_nvme_stop_discovery_done, ctx);
                   #  # ]
    1829         [ -  + ]:         19 :         if (rc) {
    1830         [ #  # ]:          0 :                 spdk_jsonrpc_send_error_response(request, rc, spdk_strerror(-rc));
    1831                 :          0 :                 goto cleanup;
    1832                 :            :         }
    1833                 :            : 
    1834                 :         19 :         return;
    1835                 :            : 
    1836                 :          0 : cleanup:
    1837   [ #  #  #  #  :          0 :         free(ctx->req.name);
                   #  # ]
    1838                 :          0 :         free(ctx);
    1839                 :          0 : }
    1840                 :       2107 : SPDK_RPC_REGISTER("bdev_nvme_stop_discovery", rpc_bdev_nvme_stop_discovery,
    1841                 :            :                   SPDK_RPC_RUNTIME)
    1842                 :            : 
    1843                 :            : static void
    1844                 :         77 : rpc_bdev_nvme_get_discovery_info(struct spdk_jsonrpc_request *request,
    1845                 :            :                                  const struct spdk_json_val *params)
    1846                 :            : {
    1847                 :            :         struct spdk_json_write_ctx *w;
    1848                 :            : 
    1849                 :         77 :         w = spdk_jsonrpc_begin_result(request);
    1850                 :         77 :         bdev_nvme_get_discovery_info(w);
    1851                 :         77 :         spdk_jsonrpc_end_result(request, w);
    1852                 :         77 : }
    1853                 :       2107 : SPDK_RPC_REGISTER("bdev_nvme_get_discovery_info", rpc_bdev_nvme_get_discovery_info,
    1854                 :            :                   SPDK_RPC_RUNTIME)
    1855                 :            : 
    1856                 :            : enum error_injection_cmd_type {
    1857                 :            :         NVME_ADMIN_CMD = 1,
    1858                 :            :         NVME_IO_CMD,
    1859                 :            : };
    1860                 :            : 
    1861                 :            : struct rpc_add_error_injection {
    1862                 :            :         char *name;
    1863                 :            :         enum error_injection_cmd_type cmd_type;
    1864                 :            :         uint8_t opc;
    1865                 :            :         bool do_not_submit;
    1866                 :            :         uint64_t timeout_in_us;
    1867                 :            :         uint32_t err_count;
    1868                 :            :         uint8_t sct;
    1869                 :            :         uint8_t sc;
    1870                 :            : };
    1871                 :            : 
    1872                 :            : static void
    1873                 :          6 : free_rpc_add_error_injection(struct rpc_add_error_injection *req)
    1874                 :            : {
    1875   [ #  #  #  # ]:          6 :         free(req->name);
    1876                 :          6 : }
    1877                 :            : 
    1878                 :            : static int
    1879                 :          6 : rpc_error_injection_decode_cmd_type(const struct spdk_json_val *val, void *out)
    1880                 :            : {
    1881                 :          6 :         int *cmd_type = out;
    1882                 :            : 
    1883         [ +  - ]:          6 :         if (spdk_json_strequal(val, "admin")) {
    1884         [ #  # ]:          6 :                 *cmd_type = NVME_ADMIN_CMD;
    1885         [ #  # ]:          0 :         } else if (spdk_json_strequal(val, "io")) {
    1886         [ #  # ]:          0 :                 *cmd_type = NVME_IO_CMD;
    1887                 :          0 :         } else {
    1888                 :          0 :                 SPDK_ERRLOG("Invalid parameter value: cmd_type\n");
    1889                 :          0 :                 return -EINVAL;
    1890                 :            :         }
    1891                 :            : 
    1892                 :          6 :         return 0;
    1893                 :          0 : }
    1894                 :            : 
    1895                 :            : static const struct spdk_json_object_decoder rpc_add_error_injection_decoders[] = {
    1896                 :            :         { "name", offsetof(struct rpc_add_error_injection, name), spdk_json_decode_string },
    1897                 :            :         { "cmd_type", offsetof(struct rpc_add_error_injection, cmd_type), rpc_error_injection_decode_cmd_type },
    1898                 :            :         { "opc", offsetof(struct rpc_add_error_injection, opc), spdk_json_decode_uint8 },
    1899                 :            :         { "do_not_submit", offsetof(struct rpc_add_error_injection, do_not_submit), spdk_json_decode_bool, true },
    1900                 :            :         { "timeout_in_us", offsetof(struct rpc_add_error_injection, timeout_in_us), spdk_json_decode_uint64, true },
    1901                 :            :         { "err_count", offsetof(struct rpc_add_error_injection, err_count), spdk_json_decode_uint32, true },
    1902                 :            :         { "sct", offsetof(struct rpc_add_error_injection, sct), spdk_json_decode_uint8, true},
    1903                 :            :         { "sc", offsetof(struct rpc_add_error_injection, sc), spdk_json_decode_uint8, true},
    1904                 :            : };
    1905                 :            : 
    1906                 :            : struct rpc_add_error_injection_ctx {
    1907                 :            :         struct spdk_jsonrpc_request *request;
    1908                 :            :         struct rpc_add_error_injection rpc;
    1909                 :            : };
    1910                 :            : 
    1911                 :            : static void
    1912                 :          0 : rpc_add_error_injection_done(struct nvme_ctrlr *nvme_ctrlr, void *_ctx, int status)
    1913                 :            : {
    1914                 :          0 :         struct rpc_add_error_injection_ctx *ctx = _ctx;
    1915                 :            : 
    1916         [ #  # ]:          0 :         if (status) {
    1917   [ #  #  #  # ]:          0 :                 spdk_jsonrpc_send_error_response(ctx->request, status,
    1918                 :            :                                                  "Failed to add the error injection.");
    1919                 :          0 :         } else {
    1920   [ #  #  #  # ]:          0 :                 spdk_jsonrpc_send_bool_response(ctx->request, true);
    1921                 :            :         }
    1922                 :            : 
    1923         [ #  # ]:          0 :         free_rpc_add_error_injection(&ctx->rpc);
    1924                 :          0 :         free(ctx);
    1925                 :          0 : }
    1926                 :            : 
    1927                 :            : static void
    1928                 :          0 : rpc_add_error_injection_per_channel(struct nvme_ctrlr_channel_iter *i,
    1929                 :            :                                     struct nvme_ctrlr *nvme_ctrlr,
    1930                 :            :                                     struct nvme_ctrlr_channel *ctrlr_ch,
    1931                 :            :                                     void *_ctx)
    1932                 :            : {
    1933                 :          0 :         struct rpc_add_error_injection_ctx *ctx = _ctx;
    1934   [ #  #  #  #  :          0 :         struct spdk_nvme_qpair *qpair = ctrlr_ch->qpair->qpair;
             #  #  #  # ]
    1935   [ #  #  #  #  :          0 :         struct spdk_nvme_ctrlr *ctrlr = ctrlr_ch->qpair->ctrlr->ctrlr;
          #  #  #  #  #  
                #  #  # ]
    1936                 :          0 :         int rc = 0;
    1937                 :            : 
    1938         [ #  # ]:          0 :         if (qpair != NULL) {
    1939   [ #  #  #  #  :          0 :                 rc = spdk_nvme_qpair_add_cmd_error_injection(ctrlr, qpair, ctx->rpc.opc,
                   #  # ]
    1940   [ #  #  #  #  :          0 :                                 ctx->rpc.do_not_submit, ctx->rpc.timeout_in_us, ctx->rpc.err_count,
          #  #  #  #  #  
          #  #  #  #  #  
          #  #  #  #  #  
                      # ]
    1941   [ #  #  #  #  :          0 :                                 ctx->rpc.sct, ctx->rpc.sc);
          #  #  #  #  #  
                #  #  # ]
    1942                 :          0 :         }
    1943                 :            : 
    1944                 :          0 :         nvme_ctrlr_for_each_channel_continue(i, rc);
    1945                 :          0 : }
    1946                 :            : 
    1947                 :            : static void
    1948                 :          6 : rpc_bdev_nvme_add_error_injection(
    1949                 :            :         struct spdk_jsonrpc_request *request,
    1950                 :            :         const struct spdk_json_val *params)
    1951                 :            : {
    1952                 :            :         struct rpc_add_error_injection_ctx *ctx;
    1953                 :            :         struct nvme_ctrlr *nvme_ctrlr;
    1954                 :            :         int rc;
    1955                 :            : 
    1956                 :          6 :         ctx = calloc(1, sizeof(*ctx));
    1957         [ -  + ]:          6 :         if (!ctx) {
    1958                 :          0 :                 spdk_jsonrpc_send_error_response(request, -ENOMEM, spdk_strerror(ENOMEM));
    1959                 :          0 :                 return;
    1960                 :            :         }
    1961   [ #  #  #  #  :          6 :         ctx->rpc.err_count = 1;
                   #  # ]
    1962   [ #  #  #  # ]:          6 :         ctx->request = request;
    1963                 :            : 
    1964         [ -  + ]:          6 :         if (spdk_json_decode_object(params,
    1965                 :            :                                     rpc_add_error_injection_decoders,
    1966                 :            :                                     SPDK_COUNTOF(rpc_add_error_injection_decoders),
    1967         [ #  # ]:          6 :                                     &ctx->rpc)) {
    1968                 :          0 :                 spdk_jsonrpc_send_error_response(request, -EINVAL,
    1969                 :            :                                                  "Failed to parse the request");
    1970                 :          0 :                 goto cleanup;
    1971                 :            :         }
    1972                 :            : 
    1973   [ #  #  #  #  :          6 :         nvme_ctrlr = nvme_ctrlr_get_by_name(ctx->rpc.name);
                   #  # ]
    1974         [ -  + ]:          6 :         if (nvme_ctrlr == NULL) {
    1975                 :          0 :                 SPDK_ERRLOG("No controller with specified name was found.\n");
    1976                 :          0 :                 spdk_jsonrpc_send_error_response(request, -ENODEV, spdk_strerror(ENODEV));
    1977                 :          0 :                 goto cleanup;
    1978                 :            :         }
    1979                 :            : 
    1980   [ -  +  #  #  :          6 :         if (ctx->rpc.cmd_type == NVME_IO_CMD) {
             #  #  #  # ]
    1981                 :          0 :                 nvme_ctrlr_for_each_channel(nvme_ctrlr,
    1982                 :            :                                             rpc_add_error_injection_per_channel,
    1983                 :          0 :                                             ctx,
    1984                 :            :                                             rpc_add_error_injection_done);
    1985                 :            : 
    1986                 :          0 :                 return;
    1987                 :            :         } else {
    1988   [ #  #  #  #  :         10 :                 rc = spdk_nvme_qpair_add_cmd_error_injection(nvme_ctrlr->ctrlr, NULL, ctx->rpc.opc,
          #  #  #  #  #  
                      # ]
    1989   [ -  +  #  #  :          6 :                                 ctx->rpc.do_not_submit, ctx->rpc.timeout_in_us, ctx->rpc.err_count,
          #  #  #  #  #  
          #  #  #  #  #  
          #  #  #  #  #  
                      # ]
    1990   [ #  #  #  #  :          6 :                                 ctx->rpc.sct, ctx->rpc.sc);
          #  #  #  #  #  
                #  #  # ]
    1991         [ -  + ]:          6 :                 if (rc) {
    1992         [ #  # ]:          0 :                         spdk_jsonrpc_send_error_response(request, -rc,
    1993                 :            :                                                          "Failed to add the error injection");
    1994                 :          0 :                 } else {
    1995   [ #  #  #  # ]:          6 :                         spdk_jsonrpc_send_bool_response(ctx->request, true);
    1996                 :            :                 }
    1997                 :            :         }
    1998                 :            : 
    1999                 :          6 : cleanup:
    2000         [ #  # ]:          6 :         free_rpc_add_error_injection(&ctx->rpc);
    2001                 :          6 :         free(ctx);
    2002                 :          0 : }
    2003                 :       2107 : SPDK_RPC_REGISTER("bdev_nvme_add_error_injection", rpc_bdev_nvme_add_error_injection,
    2004                 :            :                   SPDK_RPC_RUNTIME)
    2005                 :            : 
    2006                 :            : struct rpc_remove_error_injection {
    2007                 :            :         char *name;
    2008                 :            :         enum error_injection_cmd_type cmd_type;
    2009                 :            :         uint8_t opc;
    2010                 :            : };
    2011                 :            : 
    2012                 :            : static void
    2013                 :          0 : free_rpc_remove_error_injection(struct rpc_remove_error_injection *req)
    2014                 :            : {
    2015   [ #  #  #  # ]:          0 :         free(req->name);
    2016                 :          0 : }
    2017                 :            : 
    2018                 :            : static const struct spdk_json_object_decoder rpc_remove_error_injection_decoders[] = {
    2019                 :            :         { "name", offsetof(struct rpc_remove_error_injection, name), spdk_json_decode_string },
    2020                 :            :         { "cmd_type", offsetof(struct rpc_remove_error_injection, cmd_type), rpc_error_injection_decode_cmd_type },
    2021                 :            :         { "opc", offsetof(struct rpc_remove_error_injection, opc), spdk_json_decode_uint8 },
    2022                 :            : };
    2023                 :            : 
    2024                 :            : struct rpc_remove_error_injection_ctx {
    2025                 :            :         struct spdk_jsonrpc_request *request;
    2026                 :            :         struct rpc_remove_error_injection rpc;
    2027                 :            : };
    2028                 :            : 
    2029                 :            : static void
    2030                 :          0 : rpc_remove_error_injection_done(struct nvme_ctrlr *nvme_ctrlr, void *_ctx, int status)
    2031                 :            : {
    2032                 :          0 :         struct rpc_remove_error_injection_ctx *ctx = _ctx;
    2033                 :            : 
    2034         [ #  # ]:          0 :         if (status) {
    2035   [ #  #  #  # ]:          0 :                 spdk_jsonrpc_send_error_response(ctx->request, status,
    2036                 :            :                                                  "Failed to remove the error injection.");
    2037                 :          0 :         } else {
    2038   [ #  #  #  # ]:          0 :                 spdk_jsonrpc_send_bool_response(ctx->request, true);
    2039                 :            :         }
    2040                 :            : 
    2041         [ #  # ]:          0 :         free_rpc_remove_error_injection(&ctx->rpc);
    2042                 :          0 :         free(ctx);
    2043                 :          0 : }
    2044                 :            : 
    2045                 :            : static void
    2046                 :          0 : rpc_remove_error_injection_per_channel(struct nvme_ctrlr_channel_iter *i,
    2047                 :            :                                        struct nvme_ctrlr *nvme_ctrlr,
    2048                 :            :                                        struct nvme_ctrlr_channel *ctrlr_ch,
    2049                 :            :                                        void *_ctx)
    2050                 :            : {
    2051                 :          0 :         struct rpc_remove_error_injection_ctx *ctx = _ctx;
    2052   [ #  #  #  #  :          0 :         struct spdk_nvme_qpair *qpair = ctrlr_ch->qpair->qpair;
             #  #  #  # ]
    2053   [ #  #  #  #  :          0 :         struct spdk_nvme_ctrlr *ctrlr = ctrlr_ch->qpair->ctrlr->ctrlr;
          #  #  #  #  #  
                #  #  # ]
    2054                 :            : 
    2055         [ #  # ]:          0 :         if (qpair != NULL) {
    2056   [ #  #  #  #  :          0 :                 spdk_nvme_qpair_remove_cmd_error_injection(ctrlr, qpair, ctx->rpc.opc);
                   #  # ]
    2057                 :          0 :         }
    2058                 :            : 
    2059                 :          0 :         nvme_ctrlr_for_each_channel_continue(i, 0);
    2060                 :          0 : }
    2061                 :            : 
    2062                 :            : static void
    2063                 :          0 : rpc_bdev_nvme_remove_error_injection(struct spdk_jsonrpc_request *request,
    2064                 :            :                                      const struct spdk_json_val *params)
    2065                 :            : {
    2066                 :            :         struct rpc_remove_error_injection_ctx *ctx;
    2067                 :            :         struct nvme_ctrlr *nvme_ctrlr;
    2068                 :            : 
    2069                 :          0 :         ctx = calloc(1, sizeof(*ctx));
    2070         [ #  # ]:          0 :         if (!ctx) {
    2071                 :          0 :                 spdk_jsonrpc_send_error_response(request, -ENOMEM, spdk_strerror(ENOMEM));
    2072                 :          0 :                 return;
    2073                 :            :         }
    2074   [ #  #  #  # ]:          0 :         ctx->request = request;
    2075                 :            : 
    2076         [ #  # ]:          0 :         if (spdk_json_decode_object(params,
    2077                 :            :                                     rpc_remove_error_injection_decoders,
    2078                 :            :                                     SPDK_COUNTOF(rpc_remove_error_injection_decoders),
    2079         [ #  # ]:          0 :                                     &ctx->rpc)) {
    2080                 :          0 :                 spdk_jsonrpc_send_error_response(request, -EINVAL,
    2081                 :            :                                                  "Failed to parse the request");
    2082                 :          0 :                 goto cleanup;
    2083                 :            :         }
    2084                 :            : 
    2085   [ #  #  #  #  :          0 :         nvme_ctrlr = nvme_ctrlr_get_by_name(ctx->rpc.name);
                   #  # ]
    2086         [ #  # ]:          0 :         if (nvme_ctrlr == NULL) {
    2087                 :          0 :                 SPDK_ERRLOG("No controller with specified name was found.\n");
    2088                 :          0 :                 spdk_jsonrpc_send_error_response(request, -ENODEV, spdk_strerror(ENODEV));
    2089                 :          0 :                 goto cleanup;
    2090                 :            :         }
    2091                 :            : 
    2092   [ #  #  #  #  :          0 :         if (ctx->rpc.cmd_type == NVME_IO_CMD) {
             #  #  #  # ]
    2093                 :          0 :                 nvme_ctrlr_for_each_channel(nvme_ctrlr,
    2094                 :            :                                             rpc_remove_error_injection_per_channel,
    2095                 :          0 :                                             ctx,
    2096                 :            :                                             rpc_remove_error_injection_done);
    2097                 :          0 :                 return;
    2098                 :            :         } else {
    2099   [ #  #  #  #  :          0 :                 spdk_nvme_qpair_remove_cmd_error_injection(nvme_ctrlr->ctrlr, NULL, ctx->rpc.opc);
          #  #  #  #  #  
                      # ]
    2100   [ #  #  #  # ]:          0 :                 spdk_jsonrpc_send_bool_response(ctx->request, true);
    2101                 :            :         }
    2102                 :            : 
    2103                 :          0 : cleanup:
    2104         [ #  # ]:          0 :         free_rpc_remove_error_injection(&ctx->rpc);
    2105                 :          0 :         free(ctx);
    2106                 :          0 : }
    2107                 :       2107 : SPDK_RPC_REGISTER("bdev_nvme_remove_error_injection", rpc_bdev_nvme_remove_error_injection,
    2108                 :            :                   SPDK_RPC_RUNTIME)
    2109                 :            : 
    2110                 :            : struct rpc_get_io_paths {
    2111                 :            :         char *name;
    2112                 :            : };
    2113                 :            : 
    2114                 :            : static void
    2115                 :        240 : free_rpc_get_io_paths(struct rpc_get_io_paths *r)
    2116                 :            : {
    2117   [ #  #  #  # ]:        240 :         free(r->name);
    2118                 :        240 : }
    2119                 :            : 
    2120                 :            : static const struct spdk_json_object_decoder rpc_get_io_paths_decoders[] = {
    2121                 :            :         {"name", offsetof(struct rpc_get_io_paths, name), spdk_json_decode_string, true},
    2122                 :            : };
    2123                 :            : 
    2124                 :            : struct rpc_get_io_paths_ctx {
    2125                 :            :         struct rpc_get_io_paths req;
    2126                 :            :         struct spdk_jsonrpc_request *request;
    2127                 :            :         struct spdk_json_write_ctx *w;
    2128                 :            : };
    2129                 :            : 
    2130                 :            : static void
    2131                 :        240 : rpc_bdev_nvme_get_io_paths_done(struct spdk_io_channel_iter *i, int status)
    2132                 :            : {
    2133                 :        240 :         struct rpc_get_io_paths_ctx *ctx = spdk_io_channel_iter_get_ctx(i);
    2134                 :            : 
    2135   [ #  #  #  # ]:        240 :         spdk_json_write_array_end(ctx->w);
    2136                 :            : 
    2137   [ #  #  #  # ]:        240 :         spdk_json_write_object_end(ctx->w);
    2138                 :            : 
    2139   [ #  #  #  #  :        240 :         spdk_jsonrpc_end_result(ctx->request, ctx->w);
             #  #  #  # ]
    2140                 :            : 
    2141         [ #  # ]:        240 :         free_rpc_get_io_paths(&ctx->req);
    2142                 :        240 :         free(ctx);
    2143                 :        240 : }
    2144                 :            : 
    2145                 :            : static void
    2146                 :        240 : _rpc_bdev_nvme_get_io_paths(struct spdk_io_channel_iter *i)
    2147                 :            : {
    2148                 :        240 :         struct spdk_io_channel *_ch = spdk_io_channel_iter_get_channel(i);
    2149                 :        240 :         struct nvme_poll_group *group = spdk_io_channel_get_ctx(_ch);
    2150                 :        240 :         struct rpc_get_io_paths_ctx *ctx = spdk_io_channel_iter_get_ctx(i);
    2151                 :            :         struct nvme_qpair *qpair;
    2152                 :            :         struct nvme_io_path *io_path;
    2153                 :            :         struct nvme_bdev *nbdev;
    2154                 :            : 
    2155   [ #  #  #  # ]:        240 :         spdk_json_write_object_begin(ctx->w);
    2156                 :            : 
    2157   [ #  #  #  # ]:        240 :         spdk_json_write_named_string(ctx->w, "thread", spdk_thread_get_name(spdk_get_thread()));
    2158                 :            : 
    2159   [ #  #  #  # ]:        240 :         spdk_json_write_named_array_begin(ctx->w, "io_paths");
    2160                 :            : 
    2161   [ +  +  #  #  :        720 :         TAILQ_FOREACH(qpair, &group->qpair_list, tailq) {
          #  #  #  #  #  
             #  #  #  #  
                      # ]
    2162   [ +  +  #  #  :        960 :                 TAILQ_FOREACH(io_path, &qpair->io_path_list, tailq) {
          #  #  #  #  #  
             #  #  #  #  
                      # ]
    2163   [ #  #  #  #  :        480 :                         nbdev = io_path->nvme_ns->bdev;
             #  #  #  # ]
    2164                 :            : 
    2165   [ -  +  #  #  :        480 :                         if (ctx->req.name != NULL &&
          #  #  #  #  #  
                      # ]
    2166   [ #  #  #  #  :          0 :                             strcmp(ctx->req.name, nbdev->disk.name) != 0) {
          #  #  #  #  #  
          #  #  #  #  #  
                   #  # ]
    2167                 :          0 :                                 continue;
    2168                 :            :                         }
    2169                 :            : 
    2170   [ #  #  #  # ]:        480 :                         nvme_io_path_info_json(ctx->w, io_path);
    2171                 :          0 :                 }
    2172                 :          0 :         }
    2173                 :            : 
    2174   [ #  #  #  # ]:        240 :         spdk_json_write_array_end(ctx->w);
    2175                 :            : 
    2176   [ #  #  #  # ]:        240 :         spdk_json_write_object_end(ctx->w);
    2177                 :            : 
    2178                 :        240 :         spdk_for_each_channel_continue(i, 0);
    2179                 :        240 : }
    2180                 :            : 
    2181                 :            : static void
    2182                 :        240 : rpc_bdev_nvme_get_io_paths(struct spdk_jsonrpc_request *request,
    2183                 :            :                            const struct spdk_json_val *params)
    2184                 :            : {
    2185                 :            :         struct rpc_get_io_paths_ctx *ctx;
    2186                 :            : 
    2187                 :        240 :         ctx = calloc(1, sizeof(*ctx));
    2188         [ -  + ]:        240 :         if (ctx == NULL) {
    2189                 :          0 :                 spdk_jsonrpc_send_error_response(request, -ENOMEM, spdk_strerror(ENOMEM));
    2190                 :          0 :                 return;
    2191                 :            :         }
    2192                 :            : 
    2193   [ -  +  -  - ]:        240 :         if (params != NULL &&
    2194                 :          0 :             spdk_json_decode_object(params, rpc_get_io_paths_decoders,
    2195                 :            :                                     SPDK_COUNTOF(rpc_get_io_paths_decoders),
    2196         [ #  # ]:          0 :                                     &ctx->req)) {
    2197                 :          0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
    2198                 :            :                                                  "bdev_nvme_get_io_paths requires no parameters");
    2199                 :            : 
    2200         [ #  # ]:          0 :                 free_rpc_get_io_paths(&ctx->req);
    2201                 :          0 :                 free(ctx);
    2202                 :          0 :                 return;
    2203                 :            :         }
    2204                 :            : 
    2205   [ #  #  #  # ]:        240 :         ctx->request = request;
    2206   [ #  #  #  # ]:        240 :         ctx->w = spdk_jsonrpc_begin_result(request);
    2207                 :            : 
    2208   [ #  #  #  # ]:        240 :         spdk_json_write_object_begin(ctx->w);
    2209                 :            : 
    2210   [ #  #  #  # ]:        240 :         spdk_json_write_named_array_begin(ctx->w, "poll_groups");
    2211                 :            : 
    2212                 :        240 :         spdk_for_each_channel(&g_nvme_bdev_ctrlrs,
    2213                 :            :                               _rpc_bdev_nvme_get_io_paths,
    2214                 :          0 :                               ctx,
    2215                 :            :                               rpc_bdev_nvme_get_io_paths_done);
    2216                 :          0 : }
    2217                 :       2107 : SPDK_RPC_REGISTER("bdev_nvme_get_io_paths", rpc_bdev_nvme_get_io_paths, SPDK_RPC_RUNTIME)
    2218                 :            : 
    2219                 :            : struct rpc_bdev_nvme_set_preferred_path {
    2220                 :            :         char *name;
    2221                 :            :         uint16_t cntlid;
    2222                 :            : };
    2223                 :            : 
    2224                 :            : static void
    2225                 :          0 : free_rpc_bdev_nvme_set_preferred_path(struct rpc_bdev_nvme_set_preferred_path *req)
    2226                 :            : {
    2227   [ #  #  #  # ]:          0 :         free(req->name);
    2228                 :          0 : }
    2229                 :            : 
    2230                 :            : static const struct spdk_json_object_decoder rpc_bdev_nvme_set_preferred_path_decoders[] = {
    2231                 :            :         {"name", offsetof(struct rpc_bdev_nvme_set_preferred_path, name), spdk_json_decode_string},
    2232                 :            :         {"cntlid", offsetof(struct rpc_bdev_nvme_set_preferred_path, cntlid), spdk_json_decode_uint16},
    2233                 :            : };
    2234                 :            : 
    2235                 :            : struct rpc_bdev_nvme_set_preferred_path_ctx {
    2236                 :            :         struct rpc_bdev_nvme_set_preferred_path req;
    2237                 :            :         struct spdk_jsonrpc_request *request;
    2238                 :            : };
    2239                 :            : 
    2240                 :            : static void
    2241                 :          0 : rpc_bdev_nvme_set_preferred_path_done(void *cb_arg, int rc)
    2242                 :            : {
    2243                 :          0 :         struct rpc_bdev_nvme_set_preferred_path_ctx *ctx = cb_arg;
    2244                 :            : 
    2245         [ #  # ]:          0 :         if (rc == 0) {
    2246   [ #  #  #  # ]:          0 :                 spdk_jsonrpc_send_bool_response(ctx->request, true);
    2247                 :          0 :         } else {
    2248   [ #  #  #  #  :          0 :                 spdk_jsonrpc_send_error_response(ctx->request, rc, spdk_strerror(-rc));
                   #  # ]
    2249                 :            :         }
    2250                 :            : 
    2251         [ #  # ]:          0 :         free_rpc_bdev_nvme_set_preferred_path(&ctx->req);
    2252                 :          0 :         free(ctx);
    2253                 :          0 : }
    2254                 :            : 
    2255                 :            : static void
    2256                 :          0 : rpc_bdev_nvme_set_preferred_path(struct spdk_jsonrpc_request *request,
    2257                 :            :                                  const struct spdk_json_val *params)
    2258                 :            : {
    2259                 :            :         struct rpc_bdev_nvme_set_preferred_path_ctx *ctx;
    2260                 :            : 
    2261                 :          0 :         ctx = calloc(1, sizeof(*ctx));
    2262         [ #  # ]:          0 :         if (ctx == NULL) {
    2263                 :          0 :                 spdk_jsonrpc_send_error_response(request, -ENOMEM, spdk_strerror(ENOMEM));
    2264                 :          0 :                 return;
    2265                 :            :         }
    2266                 :            : 
    2267         [ #  # ]:          0 :         if (spdk_json_decode_object(params, rpc_bdev_nvme_set_preferred_path_decoders,
    2268                 :            :                                     SPDK_COUNTOF(rpc_bdev_nvme_set_preferred_path_decoders),
    2269         [ #  # ]:          0 :                                     &ctx->req)) {
    2270                 :          0 :                 SPDK_ERRLOG("spdk_json_decode_object failed\n");
    2271                 :          0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
    2272                 :            :                                                  "spdk_json_decode_object failed");
    2273                 :          0 :                 goto cleanup;
    2274                 :            :         }
    2275                 :            : 
    2276   [ #  #  #  # ]:          0 :         ctx->request = request;
    2277                 :            : 
    2278   [ #  #  #  #  :          0 :         bdev_nvme_set_preferred_path(ctx->req.name, ctx->req.cntlid,
          #  #  #  #  #  
                #  #  # ]
    2279                 :          0 :                                      rpc_bdev_nvme_set_preferred_path_done, ctx);
    2280                 :          0 :         return;
    2281                 :            : 
    2282                 :          0 : cleanup:
    2283         [ #  # ]:          0 :         free_rpc_bdev_nvme_set_preferred_path(&ctx->req);
    2284                 :          0 :         free(ctx);
    2285                 :          0 : }
    2286                 :       2107 : SPDK_RPC_REGISTER("bdev_nvme_set_preferred_path", rpc_bdev_nvme_set_preferred_path,
    2287                 :            :                   SPDK_RPC_RUNTIME)
    2288                 :            : 
    2289                 :            : struct rpc_set_multipath_policy {
    2290                 :            :         char *name;
    2291                 :            :         enum spdk_bdev_nvme_multipath_policy policy;
    2292                 :            :         enum spdk_bdev_nvme_multipath_selector selector;
    2293                 :            :         uint32_t rr_min_io;
    2294                 :            : };
    2295                 :            : 
    2296                 :            : static void
    2297                 :          4 : free_rpc_set_multipath_policy(struct rpc_set_multipath_policy *req)
    2298                 :            : {
    2299   [ #  #  #  # ]:          4 :         free(req->name);
    2300                 :          4 : }
    2301                 :            : 
    2302                 :            : static int
    2303                 :          4 : rpc_decode_mp_policy(const struct spdk_json_val *val, void *out)
    2304                 :            : {
    2305                 :          4 :         enum spdk_bdev_nvme_multipath_policy *policy = out;
    2306                 :            : 
    2307         [ -  + ]:          4 :         if (spdk_json_strequal(val, "active_passive") == true) {
    2308         [ #  # ]:          0 :                 *policy = BDEV_NVME_MP_POLICY_ACTIVE_PASSIVE;
    2309         [ +  - ]:          4 :         } else if (spdk_json_strequal(val, "active_active") == true) {
    2310         [ #  # ]:          4 :                 *policy = BDEV_NVME_MP_POLICY_ACTIVE_ACTIVE;
    2311                 :          0 :         } else {
    2312                 :          0 :                 SPDK_NOTICELOG("Invalid parameter value: policy\n");
    2313                 :          0 :                 return -EINVAL;
    2314                 :            :         }
    2315                 :            : 
    2316                 :          4 :         return 0;
    2317                 :          0 : }
    2318                 :            : 
    2319                 :            : static int
    2320                 :          0 : rpc_decode_mp_selector(const struct spdk_json_val *val, void *out)
    2321                 :            : {
    2322                 :          0 :         enum spdk_bdev_nvme_multipath_selector *selector = out;
    2323                 :            : 
    2324         [ #  # ]:          0 :         if (spdk_json_strequal(val, "round_robin") == true) {
    2325         [ #  # ]:          0 :                 *selector = BDEV_NVME_MP_SELECTOR_ROUND_ROBIN;
    2326         [ #  # ]:          0 :         } else if (spdk_json_strequal(val, "queue_depth") == true) {
    2327         [ #  # ]:          0 :                 *selector = BDEV_NVME_MP_SELECTOR_QUEUE_DEPTH;
    2328                 :          0 :         } else {
    2329                 :          0 :                 SPDK_NOTICELOG("Invalid parameter value: selector\n");
    2330                 :          0 :                 return -EINVAL;
    2331                 :            :         }
    2332                 :            : 
    2333                 :          0 :         return 0;
    2334                 :          0 : }
    2335                 :            : 
    2336                 :            : static const struct spdk_json_object_decoder rpc_set_multipath_policy_decoders[] = {
    2337                 :            :         {"name", offsetof(struct rpc_set_multipath_policy, name), spdk_json_decode_string},
    2338                 :            :         {"policy", offsetof(struct rpc_set_multipath_policy, policy), rpc_decode_mp_policy},
    2339                 :            :         {"selector", offsetof(struct rpc_set_multipath_policy, selector), rpc_decode_mp_selector, true},
    2340                 :            :         {"rr_min_io", offsetof(struct rpc_set_multipath_policy, rr_min_io), spdk_json_decode_uint32, true},
    2341                 :            : };
    2342                 :            : 
    2343                 :            : struct rpc_set_multipath_policy_ctx {
    2344                 :            :         struct rpc_set_multipath_policy req;
    2345                 :            :         struct spdk_jsonrpc_request *request;
    2346                 :            : };
    2347                 :            : 
    2348                 :            : static void
    2349                 :          4 : rpc_bdev_nvme_set_multipath_policy_done(void *cb_arg, int rc)
    2350                 :            : {
    2351                 :          4 :         struct rpc_set_multipath_policy_ctx *ctx = cb_arg;
    2352                 :            : 
    2353         [ +  - ]:          4 :         if (rc == 0) {
    2354   [ #  #  #  # ]:          4 :                 spdk_jsonrpc_send_bool_response(ctx->request, true);
    2355                 :          0 :         } else {
    2356   [ #  #  #  #  :          0 :                 spdk_jsonrpc_send_error_response(ctx->request, rc, spdk_strerror(-rc));
                   #  # ]
    2357                 :            :         }
    2358                 :            : 
    2359         [ #  # ]:          4 :         free_rpc_set_multipath_policy(&ctx->req);
    2360                 :          4 :         free(ctx);
    2361                 :          4 : }
    2362                 :            : 
    2363                 :            : static void
    2364                 :          4 : rpc_bdev_nvme_set_multipath_policy(struct spdk_jsonrpc_request *request,
    2365                 :            :                                    const struct spdk_json_val *params)
    2366                 :            : {
    2367                 :            :         struct rpc_set_multipath_policy_ctx *ctx;
    2368                 :            : 
    2369                 :          4 :         ctx = calloc(1, sizeof(*ctx));
    2370         [ -  + ]:          4 :         if (ctx == NULL) {
    2371                 :          0 :                 spdk_jsonrpc_send_error_response(request, -ENOMEM, spdk_strerror(ENOMEM));
    2372                 :          0 :                 return;
    2373                 :            :         }
    2374                 :            : 
    2375   [ #  #  #  #  :          4 :         ctx->req.rr_min_io = UINT32_MAX;
                   #  # ]
    2376   [ #  #  #  #  :          4 :         ctx->req.selector = UINT32_MAX;
                   #  # ]
    2377                 :            : 
    2378         [ -  + ]:          4 :         if (spdk_json_decode_object(params, rpc_set_multipath_policy_decoders,
    2379                 :            :                                     SPDK_COUNTOF(rpc_set_multipath_policy_decoders),
    2380         [ #  # ]:          4 :                                     &ctx->req)) {
    2381                 :          0 :                 SPDK_ERRLOG("spdk_json_decode_object failed\n");
    2382                 :          0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
    2383                 :            :                                                  "spdk_json_decode_object failed");
    2384                 :          0 :                 goto cleanup;
    2385                 :            :         }
    2386                 :            : 
    2387   [ #  #  #  # ]:          4 :         ctx->request = request;
    2388   [ +  -  #  #  :          4 :         if (ctx->req.selector == UINT32_MAX) {
             #  #  #  # ]
    2389   [ +  -  #  #  :          4 :                 if (ctx->req.policy == BDEV_NVME_MP_POLICY_ACTIVE_ACTIVE) {
             #  #  #  # ]
    2390   [ #  #  #  #  :          4 :                         ctx->req.selector = BDEV_NVME_MP_SELECTOR_ROUND_ROBIN;
                   #  # ]
    2391                 :          0 :                 } else {
    2392   [ #  #  #  #  :          0 :                         ctx->req.selector = 0;
                   #  # ]
    2393                 :            :                 }
    2394                 :          0 :         }
    2395                 :            : 
    2396   [ -  +  -  -  :          4 :         if (ctx->req.policy != BDEV_NVME_MP_POLICY_ACTIVE_ACTIVE && ctx->req.selector > 0) {
          #  #  #  #  #  
          #  #  #  #  #  
                   #  # ]
    2397                 :          0 :                 SPDK_ERRLOG("selector only works in active_active mode\n");
    2398                 :          0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
    2399                 :            :                                                  "spdk_json_decode_object failed");
    2400                 :          0 :                 goto cleanup;
    2401                 :            :         }
    2402                 :            : 
    2403   [ #  #  #  #  :          4 :         spdk_bdev_nvme_set_multipath_policy(ctx->req.name, ctx->req.policy, ctx->req.selector,
          #  #  #  #  #  
          #  #  #  #  #  
             #  #  #  # ]
    2404   [ #  #  #  #  :          0 :                                             ctx->req.rr_min_io,
                   #  # ]
    2405                 :          0 :                                             rpc_bdev_nvme_set_multipath_policy_done, ctx);
    2406                 :          4 :         return;
    2407                 :            : 
    2408                 :          0 : cleanup:
    2409         [ #  # ]:          0 :         free_rpc_set_multipath_policy(&ctx->req);
    2410                 :          0 :         free(ctx);
    2411                 :          0 : }
    2412                 :       2107 : SPDK_RPC_REGISTER("bdev_nvme_set_multipath_policy", rpc_bdev_nvme_set_multipath_policy,
    2413                 :            :                   SPDK_RPC_RUNTIME)
    2414                 :            : 
    2415                 :            : struct rpc_bdev_nvme_start_mdns_discovery {
    2416                 :            :         char *name;
    2417                 :            :         char *svcname;
    2418                 :            :         char *hostnqn;
    2419                 :            :         struct spdk_nvme_ctrlr_opts opts;
    2420                 :            :         struct spdk_bdev_nvme_ctrlr_opts bdev_opts;
    2421                 :            : };
    2422                 :            : 
    2423                 :            : static void
    2424                 :          4 : free_rpc_bdev_nvme_start_mdns_discovery(struct rpc_bdev_nvme_start_mdns_discovery *req)
    2425                 :            : {
    2426   [ #  #  #  # ]:          4 :         free(req->name);
    2427   [ #  #  #  # ]:          4 :         free(req->svcname);
    2428   [ #  #  #  # ]:          4 :         free(req->hostnqn);
    2429                 :          4 : }
    2430                 :            : 
    2431                 :            : static const struct spdk_json_object_decoder rpc_bdev_nvme_start_mdns_discovery_decoders[] = {
    2432                 :            :         {"name", offsetof(struct rpc_bdev_nvme_start_mdns_discovery, name), spdk_json_decode_string},
    2433                 :            :         {"svcname", offsetof(struct rpc_bdev_nvme_start_mdns_discovery, svcname), spdk_json_decode_string},
    2434                 :            :         {"hostnqn", offsetof(struct rpc_bdev_nvme_start_mdns_discovery, hostnqn), spdk_json_decode_string, true},
    2435                 :            : };
    2436                 :            : 
    2437                 :            : struct rpc_bdev_nvme_start_mdns_discovery_ctx {
    2438                 :            :         struct rpc_bdev_nvme_start_mdns_discovery req;
    2439                 :            :         struct spdk_jsonrpc_request *request;
    2440                 :            : };
    2441                 :            : 
    2442                 :            : static void
    2443                 :          4 : rpc_bdev_nvme_start_mdns_discovery(struct spdk_jsonrpc_request *request,
    2444                 :            :                                    const struct spdk_json_val *params)
    2445                 :            : {
    2446                 :            :         struct rpc_bdev_nvme_start_mdns_discovery_ctx *ctx;
    2447                 :            :         int rc;
    2448                 :            : 
    2449                 :          4 :         ctx = calloc(1, sizeof(*ctx));
    2450         [ -  + ]:          4 :         if (!ctx) {
    2451                 :          0 :                 spdk_jsonrpc_send_error_response(request, -ENOMEM, spdk_strerror(ENOMEM));
    2452                 :          0 :                 return;
    2453                 :            :         }
    2454                 :            : 
    2455   [ #  #  #  # ]:          4 :         spdk_nvme_ctrlr_get_default_ctrlr_opts(&ctx->req.opts, sizeof(ctx->req.opts));
    2456                 :            : 
    2457         [ -  + ]:          4 :         if (spdk_json_decode_object(params, rpc_bdev_nvme_start_mdns_discovery_decoders,
    2458                 :            :                                     SPDK_COUNTOF(rpc_bdev_nvme_start_mdns_discovery_decoders),
    2459         [ #  # ]:          4 :                                     &ctx->req)) {
    2460                 :          0 :                 SPDK_ERRLOG("spdk_json_decode_object failed\n");
    2461                 :          0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
    2462                 :            :                                                  "spdk_json_decode_object failed");
    2463                 :          0 :                 goto cleanup;
    2464                 :            :         }
    2465                 :            : 
    2466   [ +  -  #  #  :          4 :         if (ctx->req.hostnqn) {
             #  #  #  # ]
    2467   [ -  +  #  #  :          4 :                 snprintf(ctx->req.opts.hostnqn, sizeof(ctx->req.opts.hostnqn), "%s",
                   #  # ]
    2468   [ #  #  #  #  :          0 :                          ctx->req.hostnqn);
                   #  # ]
    2469                 :          0 :         }
    2470   [ #  #  #  # ]:          4 :         ctx->request = request;
    2471   [ #  #  #  #  :          4 :         rc = bdev_nvme_start_mdns_discovery(ctx->req.name, ctx->req.svcname, &ctx->req.opts,
          #  #  #  #  #  
          #  #  #  #  #  
                   #  # ]
    2472   [ #  #  #  # ]:          0 :                                             &ctx->req.bdev_opts);
    2473         [ +  + ]:          4 :         if (rc) {
    2474         [ #  # ]:          2 :                 spdk_jsonrpc_send_error_response(request, rc, spdk_strerror(-rc));
    2475                 :          0 :         } else {
    2476                 :          2 :                 spdk_jsonrpc_send_bool_response(request, true);
    2477                 :            :         }
    2478                 :            : 
    2479                 :          4 : cleanup:
    2480         [ #  # ]:          4 :         free_rpc_bdev_nvme_start_mdns_discovery(&ctx->req);
    2481                 :          4 :         free(ctx);
    2482                 :          0 : }
    2483                 :       2107 : SPDK_RPC_REGISTER("bdev_nvme_start_mdns_discovery", rpc_bdev_nvme_start_mdns_discovery,
    2484                 :            :                   SPDK_RPC_RUNTIME)
    2485                 :            : 
    2486                 :            : struct rpc_bdev_nvme_stop_mdns_discovery {
    2487                 :            :         char *name;
    2488                 :            : };
    2489                 :            : 
    2490                 :            : static const struct spdk_json_object_decoder rpc_bdev_nvme_stop_mdns_discovery_decoders[] = {
    2491                 :            :         {"name", offsetof(struct rpc_bdev_nvme_stop_mdns_discovery, name), spdk_json_decode_string},
    2492                 :            : };
    2493                 :            : 
    2494                 :            : struct rpc_bdev_nvme_stop_mdns_discovery_ctx {
    2495                 :            :         struct rpc_bdev_nvme_stop_mdns_discovery req;
    2496                 :            :         struct spdk_jsonrpc_request *request;
    2497                 :            : };
    2498                 :            : 
    2499                 :            : static void
    2500                 :          2 : rpc_bdev_nvme_stop_mdns_discovery(struct spdk_jsonrpc_request *request,
    2501                 :            :                                   const struct spdk_json_val *params)
    2502                 :            : {
    2503                 :            :         struct rpc_bdev_nvme_stop_mdns_discovery_ctx *ctx;
    2504                 :            :         int rc;
    2505                 :            : 
    2506                 :          2 :         ctx = calloc(1, sizeof(*ctx));
    2507         [ -  + ]:          2 :         if (!ctx) {
    2508                 :          0 :                 spdk_jsonrpc_send_error_response(request, -ENOMEM, spdk_strerror(ENOMEM));
    2509                 :          0 :                 return;
    2510                 :            :         }
    2511                 :            : 
    2512         [ -  + ]:          2 :         if (spdk_json_decode_object(params, rpc_bdev_nvme_stop_mdns_discovery_decoders,
    2513                 :            :                                     SPDK_COUNTOF(rpc_bdev_nvme_stop_mdns_discovery_decoders),
    2514         [ #  # ]:          2 :                                     &ctx->req)) {
    2515                 :          0 :                 SPDK_ERRLOG("spdk_json_decode_object failed\n");
    2516                 :          0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
    2517                 :            :                                                  "spdk_json_decode_object failed");
    2518                 :          0 :                 goto cleanup;
    2519                 :            :         }
    2520                 :            : 
    2521   [ #  #  #  # ]:          2 :         ctx->request = request;
    2522   [ #  #  #  #  :          2 :         rc = bdev_nvme_stop_mdns_discovery(ctx->req.name);
                   #  # ]
    2523                 :            : 
    2524         [ -  + ]:          2 :         if (rc) {
    2525         [ #  # ]:          0 :                 spdk_jsonrpc_send_error_response(request, rc, spdk_strerror(-rc));
    2526                 :          0 :                 goto cleanup;
    2527                 :            :         }
    2528   [ #  #  #  # ]:          2 :         spdk_jsonrpc_send_bool_response(ctx->request, true);
    2529                 :            : 
    2530                 :          2 : cleanup:
    2531   [ #  #  #  #  :          2 :         free(ctx->req.name);
                   #  # ]
    2532                 :          2 :         free(ctx);
    2533                 :          0 : }
    2534                 :       2107 : SPDK_RPC_REGISTER("bdev_nvme_stop_mdns_discovery", rpc_bdev_nvme_stop_mdns_discovery,
    2535                 :            :                   SPDK_RPC_RUNTIME)
    2536                 :            : 
    2537                 :            : static void
    2538                 :          3 : rpc_bdev_nvme_get_mdns_discovery_info(struct spdk_jsonrpc_request *request,
    2539                 :            :                                       const struct spdk_json_val *params)
    2540                 :            : {
    2541                 :          3 :         bdev_nvme_get_mdns_discovery_info(request);
    2542                 :          3 : }
    2543                 :            : 
    2544                 :       2107 : SPDK_RPC_REGISTER("bdev_nvme_get_mdns_discovery_info", rpc_bdev_nvme_get_mdns_discovery_info,
    2545                 :            :                   SPDK_RPC_RUNTIME)
    2546                 :            : 
    2547                 :            : struct rpc_get_path_stat {
    2548                 :            :         char    *name;
    2549                 :            : };
    2550                 :            : 
    2551                 :            : struct path_stat {
    2552                 :            :         struct spdk_bdev_io_stat        stat;
    2553                 :            :         struct spdk_nvme_transport_id   trid;
    2554                 :            :         struct nvme_ns                  *ns;
    2555                 :            : };
    2556                 :            : 
    2557                 :            : struct rpc_bdev_nvme_path_stat_ctx {
    2558                 :            :         struct spdk_jsonrpc_request     *request;
    2559                 :            :         struct path_stat                *path_stat;
    2560                 :            :         uint32_t                        num_paths;
    2561                 :            :         struct spdk_bdev_desc           *desc;
    2562                 :            : };
    2563                 :            : 
    2564                 :            : static void
    2565                 :          0 : free_rpc_get_path_stat(struct rpc_get_path_stat *req)
    2566                 :            : {
    2567   [ #  #  #  # ]:          0 :         free(req->name);
    2568                 :          0 : }
    2569                 :            : 
    2570                 :            : static const struct spdk_json_object_decoder rpc_get_path_stat_decoders[] = {
    2571                 :            :         {"name", offsetof(struct rpc_get_path_stat, name), spdk_json_decode_string},
    2572                 :            : };
    2573                 :            : 
    2574                 :            : static void
    2575                 :          0 : dummy_bdev_event_cb(enum spdk_bdev_event_type type, struct spdk_bdev *bdev, void *ctx)
    2576                 :            : {
    2577                 :          0 : }
    2578                 :            : 
    2579                 :            : static void
    2580                 :          0 : rpc_bdev_nvme_path_stat_per_channel(struct nvme_bdev_channel_iter *i,
    2581                 :            :                                     struct nvme_bdev *nbdev,
    2582                 :            :                                     struct nvme_bdev_channel *nbdev_ch,
    2583                 :            :                                     void *_ctx)
    2584                 :            : {
    2585                 :          0 :         struct rpc_bdev_nvme_path_stat_ctx *ctx = _ctx;
    2586                 :            :         struct nvme_io_path *io_path;
    2587                 :            :         struct path_stat *path_stat;
    2588                 :            :         uint32_t j;
    2589                 :            : 
    2590   [ #  #  #  #  :          0 :         assert(ctx->num_paths != 0);
             #  #  #  # ]
    2591                 :            : 
    2592   [ #  #  #  #  :          0 :         for (j = 0; j < ctx->num_paths; j++) {
                   #  # ]
    2593   [ #  #  #  #  :          0 :                 path_stat = &ctx->path_stat[j];
                   #  # ]
    2594                 :            : 
    2595   [ #  #  #  #  :          0 :                 STAILQ_FOREACH(io_path, &nbdev_ch->io_path_list, stailq) {
          #  #  #  #  #  
             #  #  #  #  
                      # ]
    2596   [ #  #  #  #  :          0 :                         if (path_stat->ns == io_path->nvme_ns) {
             #  #  #  # ]
    2597   [ #  #  #  #  :          0 :                                 assert(io_path->stat != NULL);
             #  #  #  # ]
    2598   [ #  #  #  #  :          0 :                                 spdk_bdev_add_io_stat(&path_stat->stat, io_path->stat);
                   #  # ]
    2599                 :          0 :                         }
    2600                 :          0 :                 }
    2601                 :          0 :         }
    2602                 :            : 
    2603                 :          0 :         nvme_bdev_for_each_channel_continue(i, 0);
    2604                 :          0 : }
    2605                 :            : 
    2606                 :            : static void
    2607                 :          0 : rpc_bdev_nvme_path_stat_done(struct nvme_bdev *nbdev, void *_ctx, int status)
    2608                 :            : {
    2609                 :          0 :         struct rpc_bdev_nvme_path_stat_ctx *ctx = _ctx;
    2610                 :            :         struct spdk_json_write_ctx *w;
    2611                 :            :         struct path_stat *path_stat;
    2612                 :            :         uint32_t j;
    2613                 :            : 
    2614   [ #  #  #  #  :          0 :         assert(ctx->num_paths != 0);
             #  #  #  # ]
    2615                 :            : 
    2616   [ #  #  #  # ]:          0 :         w = spdk_jsonrpc_begin_result(ctx->request);
    2617                 :          0 :         spdk_json_write_object_begin(w);
    2618   [ #  #  #  #  :          0 :         spdk_json_write_named_string(w, "name", nbdev->disk.name);
                   #  # ]
    2619                 :          0 :         spdk_json_write_named_array_begin(w, "stats");
    2620                 :            : 
    2621   [ #  #  #  #  :          0 :         for (j = 0; j < ctx->num_paths; j++) {
                   #  # ]
    2622   [ #  #  #  #  :          0 :                 path_stat = &ctx->path_stat[j];
                   #  # ]
    2623                 :          0 :                 spdk_json_write_object_begin(w);
    2624                 :            : 
    2625                 :          0 :                 spdk_json_write_named_object_begin(w, "trid");
    2626         [ #  # ]:          0 :                 nvme_bdev_dump_trid_json(&path_stat->trid, w);
    2627                 :          0 :                 spdk_json_write_object_end(w);
    2628                 :            : 
    2629                 :          0 :                 spdk_json_write_named_object_begin(w, "stat");
    2630         [ #  # ]:          0 :                 spdk_bdev_dump_io_stat_json(&path_stat->stat, w);
    2631                 :          0 :                 spdk_json_write_object_end(w);
    2632                 :            : 
    2633                 :          0 :                 spdk_json_write_object_end(w);
    2634                 :          0 :         }
    2635                 :            : 
    2636                 :          0 :         spdk_json_write_array_end(w);
    2637                 :          0 :         spdk_json_write_object_end(w);
    2638   [ #  #  #  # ]:          0 :         spdk_jsonrpc_end_result(ctx->request, w);
    2639                 :            : 
    2640   [ #  #  #  # ]:          0 :         spdk_bdev_close(ctx->desc);
    2641   [ #  #  #  # ]:          0 :         free(ctx->path_stat);
    2642                 :          0 :         free(ctx);
    2643                 :          0 : }
    2644                 :            : 
    2645                 :            : static void
    2646                 :          0 : rpc_bdev_nvme_get_path_iostat(struct spdk_jsonrpc_request *request,
    2647                 :            :                               const struct spdk_json_val *params)
    2648                 :            : {
    2649                 :          0 :         struct rpc_get_path_stat req = {};
    2650                 :          0 :         struct spdk_bdev_desc *desc = NULL;
    2651                 :            :         struct spdk_bdev *bdev;
    2652                 :            :         struct nvme_bdev *nbdev;
    2653                 :            :         struct nvme_ns *nvme_ns;
    2654                 :            :         struct path_stat *path_stat;
    2655                 :            :         struct rpc_bdev_nvme_path_stat_ctx *ctx;
    2656                 :          0 :         struct spdk_bdev_nvme_opts opts;
    2657                 :          0 :         uint32_t num_paths = 0, i = 0;
    2658                 :            :         int rc;
    2659                 :            : 
    2660                 :          0 :         bdev_nvme_get_opts(&opts);
    2661   [ #  #  #  #  :          0 :         if (!opts.io_path_stat) {
                   #  # ]
    2662                 :          0 :                 SPDK_ERRLOG("RPC not enabled if enable_io_path_stat is false\n");
    2663                 :          0 :                 spdk_jsonrpc_send_error_response(request, -EPERM,
    2664                 :            :                                                  "RPC not enabled if enable_io_path_stat is false");
    2665                 :          0 :                 return;
    2666                 :            :         }
    2667                 :            : 
    2668         [ #  # ]:          0 :         if (spdk_json_decode_object(params, rpc_get_path_stat_decoders,
    2669                 :            :                                     SPDK_COUNTOF(rpc_get_path_stat_decoders),
    2670                 :            :                                     &req)) {
    2671                 :          0 :                 SPDK_ERRLOG("spdk_json_decode_object failed\n");
    2672                 :          0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
    2673                 :            :                                                  "spdk_json_decode_object failed");
    2674                 :          0 :                 free_rpc_get_path_stat(&req);
    2675                 :          0 :                 return;
    2676                 :            :         }
    2677                 :            : 
    2678                 :          0 :         rc = spdk_bdev_open_ext(req.name, false, dummy_bdev_event_cb, NULL, &desc);
    2679         [ #  # ]:          0 :         if (rc != 0) {
    2680                 :          0 :                 SPDK_ERRLOG("Failed to open bdev '%s': %d\n", req.name, rc);
    2681         [ #  # ]:          0 :                 spdk_jsonrpc_send_error_response(request, rc, spdk_strerror(-rc));
    2682                 :          0 :                 free_rpc_get_path_stat(&req);
    2683                 :          0 :                 return;
    2684                 :            :         }
    2685                 :            : 
    2686                 :          0 :         free_rpc_get_path_stat(&req);
    2687                 :            : 
    2688                 :          0 :         ctx = calloc(1, sizeof(struct rpc_bdev_nvme_path_stat_ctx));
    2689         [ #  # ]:          0 :         if (ctx == NULL) {
    2690                 :          0 :                 spdk_bdev_close(desc);
    2691                 :          0 :                 SPDK_ERRLOG("Failed to allocate rpc_bdev_nvme_path_stat_ctx struct\n");
    2692                 :          0 :                 spdk_jsonrpc_send_error_response(request, -ENOMEM, spdk_strerror(ENOMEM));
    2693                 :          0 :                 return;
    2694                 :            :         }
    2695                 :            : 
    2696                 :          0 :         bdev = spdk_bdev_desc_get_bdev(desc);
    2697   [ #  #  #  # ]:          0 :         nbdev = bdev->ctxt;
    2698                 :            : 
    2699   [ #  #  #  # ]:          0 :         pthread_mutex_lock(&nbdev->mutex);
    2700   [ #  #  #  #  :          0 :         if (nbdev->ref == 0) {
                   #  # ]
    2701                 :          0 :                 rc = -ENOENT;
    2702                 :          0 :                 goto err;
    2703                 :            :         }
    2704                 :            : 
    2705   [ #  #  #  # ]:          0 :         num_paths = nbdev->ref;
    2706                 :          0 :         path_stat = calloc(num_paths, sizeof(struct path_stat));
    2707         [ #  # ]:          0 :         if (path_stat == NULL) {
    2708                 :          0 :                 rc = -ENOMEM;
    2709                 :          0 :                 SPDK_ERRLOG("Failed to allocate memory for path_stat.\n");
    2710                 :          0 :                 goto err;
    2711                 :            :         }
    2712                 :            : 
    2713                 :            :         /* store the history stat */
    2714   [ #  #  #  #  :          0 :         TAILQ_FOREACH(nvme_ns, &nbdev->nvme_ns_list, tailq) {
          #  #  #  #  #  
             #  #  #  #  
                      # ]
    2715   [ #  #  #  # ]:          0 :                 assert(i < num_paths);
    2716   [ #  #  #  #  :          0 :                 path_stat[i].ns = nvme_ns;
                   #  # ]
    2717   [ #  #  #  #  :          0 :                 path_stat[i].trid = nvme_ns->ctrlr->active_path_id->trid;
          #  #  #  #  #  
             #  #  #  #  
                      # ]
    2718                 :            : 
    2719   [ #  #  #  #  :          0 :                 assert(nvme_ns->stat != NULL);
             #  #  #  # ]
    2720   [ #  #  #  #  :          0 :                 memcpy(&path_stat[i].stat, nvme_ns->stat, sizeof(struct spdk_bdev_io_stat));
          #  #  #  #  #  
                #  #  # ]
    2721                 :          0 :                 i++;
    2722                 :          0 :         }
    2723   [ #  #  #  # ]:          0 :         pthread_mutex_unlock(&nbdev->mutex);
    2724                 :            : 
    2725   [ #  #  #  # ]:          0 :         ctx->request = request;
    2726   [ #  #  #  # ]:          0 :         ctx->desc = desc;
    2727   [ #  #  #  # ]:          0 :         ctx->path_stat = path_stat;
    2728   [ #  #  #  # ]:          0 :         ctx->num_paths = num_paths;
    2729                 :            : 
    2730                 :          0 :         nvme_bdev_for_each_channel(nbdev,
    2731                 :            :                                    rpc_bdev_nvme_path_stat_per_channel,
    2732                 :          0 :                                    ctx,
    2733                 :            :                                    rpc_bdev_nvme_path_stat_done);
    2734                 :          0 :         return;
    2735                 :            : 
    2736                 :          0 : err:
    2737   [ #  #  #  # ]:          0 :         pthread_mutex_unlock(&nbdev->mutex);
    2738         [ #  # ]:          0 :         spdk_jsonrpc_send_error_response(request, rc, spdk_strerror(-rc));
    2739                 :          0 :         spdk_bdev_close(desc);
    2740                 :          0 :         free(ctx);
    2741                 :          0 : }
    2742                 :       2107 : SPDK_RPC_REGISTER("bdev_nvme_get_path_iostat", rpc_bdev_nvme_get_path_iostat,
    2743                 :            :                   SPDK_RPC_RUNTIME)
    2744                 :            : 
    2745                 :            : struct rpc_bdev_nvme_set_keys {
    2746                 :            :         char *name;
    2747                 :            :         char *dhchap_key;
    2748                 :            :         char *dhchap_ctrlr_key;
    2749                 :            : };
    2750                 :            : 
    2751                 :            : static const struct spdk_json_object_decoder rpc_bdev_nvme_set_keys_decoders[] = {
    2752                 :            :         {"name", offsetof(struct rpc_bdev_nvme_set_keys, name), spdk_json_decode_string},
    2753                 :            :         {"dhchap_key", offsetof(struct rpc_bdev_nvme_set_keys, dhchap_key), spdk_json_decode_string, true},
    2754                 :            :         {"dhchap_ctrlr_key", offsetof(struct rpc_bdev_nvme_set_keys, dhchap_ctrlr_key), spdk_json_decode_string, true},
    2755                 :            : };
    2756                 :            : 
    2757                 :            : static void
    2758                 :         28 : free_rpc_bdev_nvme_set_keys(struct rpc_bdev_nvme_set_keys *req)
    2759                 :            : {
    2760   [ #  #  #  # ]:         28 :         free(req->name);
    2761   [ #  #  #  # ]:         28 :         free(req->dhchap_key);
    2762   [ #  #  #  # ]:         28 :         free(req->dhchap_ctrlr_key);
    2763                 :         28 : }
    2764                 :            : 
    2765                 :            : static void
    2766                 :         28 : rpc_bdev_nvme_set_keys_done(void *ctx, int status)
    2767                 :            : {
    2768                 :         28 :         struct spdk_jsonrpc_request *request = ctx;
    2769                 :            : 
    2770         [ +  + ]:         28 :         if (status != 0) {
    2771         [ #  # ]:         16 :                 spdk_jsonrpc_send_error_response(request, status, spdk_strerror(-status));
    2772                 :          0 :         } else {
    2773                 :         12 :                 spdk_jsonrpc_send_bool_response(request, true);
    2774                 :            :         }
    2775                 :         28 : }
    2776                 :            : 
    2777                 :            : static void
    2778                 :         28 : rpc_bdev_nvme_set_keys(struct spdk_jsonrpc_request *request, const struct spdk_json_val *params)
    2779                 :            : {
    2780                 :         28 :         struct rpc_bdev_nvme_set_keys req = {};
    2781                 :            :         int rc;
    2782                 :            : 
    2783         [ -  + ]:         28 :         if (spdk_json_decode_object(params, rpc_bdev_nvme_set_keys_decoders,
    2784                 :            :                                     SPDK_COUNTOF(rpc_bdev_nvme_set_keys_decoders), &req)) {
    2785                 :          0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
    2786                 :            :                                                  "spdk_json_decode_object failed");
    2787                 :          0 :                 return;
    2788                 :            :         }
    2789                 :            : 
    2790   [ #  #  #  # ]:         28 :         rc = bdev_nvme_set_keys(req.name, req.dhchap_key, req.dhchap_ctrlr_key,
    2791                 :          0 :                                 rpc_bdev_nvme_set_keys_done, request);
    2792         [ -  + ]:         28 :         if (rc != 0) {
    2793         [ #  # ]:          0 :                 spdk_jsonrpc_send_error_response(request, rc, spdk_strerror(-rc));
    2794                 :          0 :         }
    2795                 :         28 :         free_rpc_bdev_nvme_set_keys(&req);
    2796                 :          0 : }
    2797                 :       2107 : SPDK_RPC_REGISTER("bdev_nvme_set_keys", rpc_bdev_nvme_set_keys, SPDK_RPC_RUNTIME)

Generated by: LCOV version 1.15