LCOV - code coverage report
Current view: top level - module/event/subsystems/nvmf - nvmf_rpc.c (source / functions) Hit Total Coverage
Test: ut_cov_unit.info Lines: 0 136 0.0 %
Date: 2024-07-15 09:51:24 Functions: 0 14 0.0 %

          Line data    Source code
       1             : /*   SPDX-License-Identifier: BSD-3-Clause
       2             :  *   Copyright (C) 2016 Intel Corporation. All rights reserved.
       3             :  *   Copyright (c) 2018-2019 Mellanox Technologies LTD. All rights reserved.
       4             :  *   Copyright (c) 2021 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
       5             :  */
       6             : 
       7             : #include "event_nvmf.h"
       8             : 
       9             : #include "spdk/rpc.h"
      10             : #include "spdk/util.h"
      11             : #include "spdk/cpuset.h"
      12             : 
      13             : static const struct spdk_json_object_decoder nvmf_rpc_subsystem_tgt_opts_decoder[] = {
      14             :         {"max_subsystems", 0, spdk_json_decode_uint32, true}
      15             : };
      16             : 
      17             : static void
      18           0 : rpc_nvmf_set_max_subsystems(struct spdk_jsonrpc_request *request,
      19             :                             const struct spdk_json_val *params)
      20             : {
      21           0 :         uint32_t max_subsystems = 0;
      22             : 
      23           0 :         if (g_spdk_nvmf_tgt_conf.opts.max_subsystems != 0) {
      24           0 :                 SPDK_ERRLOG("this RPC must not be called more than once.\n");
      25           0 :                 spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
      26             :                                                  "Must not call more than once");
      27           0 :                 return;
      28             :         }
      29             : 
      30           0 :         if (params != NULL) {
      31           0 :                 if (spdk_json_decode_object(params, nvmf_rpc_subsystem_tgt_opts_decoder,
      32             :                                             SPDK_COUNTOF(nvmf_rpc_subsystem_tgt_opts_decoder), &max_subsystems)) {
      33           0 :                         SPDK_ERRLOG("spdk_json_decode_object() failed\n");
      34           0 :                         spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
      35             :                                                          "Invalid parameters");
      36           0 :                         return;
      37             :                 }
      38             :         }
      39             : 
      40           0 :         g_spdk_nvmf_tgt_conf.opts.max_subsystems = max_subsystems;
      41             : 
      42           0 :         spdk_jsonrpc_send_bool_response(request, true);
      43             : }
      44           0 : SPDK_RPC_REGISTER("nvmf_set_max_subsystems", rpc_nvmf_set_max_subsystems,
      45             :                   SPDK_RPC_STARTUP)
      46             : 
      47             : static const struct spdk_json_object_decoder admin_passthru_decoder[] = {
      48             :         {"identify_ctrlr", offsetof(struct spdk_nvmf_admin_passthru_conf, identify_ctrlr), spdk_json_decode_bool}
      49             : };
      50             : 
      51             : static int
      52           0 : decode_admin_passthru(const struct spdk_json_val *val, void *out)
      53             : {
      54           0 :         struct spdk_nvmf_admin_passthru_conf *req = (struct spdk_nvmf_admin_passthru_conf *)out;
      55             : 
      56           0 :         if (spdk_json_decode_object(val, admin_passthru_decoder,
      57             :                                     SPDK_COUNTOF(admin_passthru_decoder),
      58             :                                     req)) {
      59           0 :                 SPDK_ERRLOG("spdk_json_decode_object failed\n");
      60           0 :                 return -1;
      61             :         }
      62             : 
      63           0 :         return 0;
      64             : }
      65             : 
      66             : static int
      67           0 : decode_discovery_filter(const struct spdk_json_val *val, void *out)
      68             : {
      69           0 :         uint32_t *_filter = out;
      70           0 :         uint32_t filter = SPDK_NVMF_TGT_DISCOVERY_MATCH_ANY;
      71           0 :         char *tokens = spdk_json_strdup(val);
      72             :         char *tok;
      73           0 :         int rc = -EINVAL;
      74           0 :         bool all_specified = false;
      75             : 
      76           0 :         if (!tokens) {
      77           0 :                 return -ENOMEM;
      78             :         }
      79             : 
      80           0 :         tok = strtok(tokens, ",");
      81           0 :         while (tok) {
      82           0 :                 if (strncmp(tok, "match_any", 9) == 0) {
      83           0 :                         if (filter != SPDK_NVMF_TGT_DISCOVERY_MATCH_ANY) {
      84           0 :                                 goto out;
      85             :                         }
      86           0 :                         filter = SPDK_NVMF_TGT_DISCOVERY_MATCH_ANY;
      87           0 :                         all_specified = true;
      88             :                 } else {
      89           0 :                         if (all_specified) {
      90           0 :                                 goto out;
      91             :                         }
      92           0 :                         if (strncmp(tok, "transport", 9) == 0) {
      93           0 :                                 filter |= SPDK_NVMF_TGT_DISCOVERY_MATCH_TRANSPORT_TYPE;
      94           0 :                         } else if (strncmp(tok, "address", 7) == 0) {
      95           0 :                                 filter |= SPDK_NVMF_TGT_DISCOVERY_MATCH_TRANSPORT_ADDRESS;
      96           0 :                         } else if (strncmp(tok, "svcid", 5) == 0) {
      97           0 :                                 filter |= SPDK_NVMF_TGT_DISCOVERY_MATCH_TRANSPORT_SVCID;
      98             :                         } else {
      99           0 :                                 SPDK_ERRLOG("Invalid value %s\n", tok);
     100           0 :                                 goto out;
     101             :                         }
     102             :                 }
     103             : 
     104           0 :                 tok = strtok(NULL, ",");
     105             :         }
     106             : 
     107           0 :         rc = 0;
     108           0 :         *_filter = filter;
     109             : 
     110           0 : out:
     111           0 :         free(tokens);
     112             : 
     113           0 :         return rc;
     114             : }
     115             : 
     116             : static int
     117           0 : nvmf_is_subset_of_env_core_mask(const struct spdk_cpuset *set)
     118             : {
     119           0 :         uint32_t i, tmp_counter = 0;
     120             : 
     121           0 :         SPDK_ENV_FOREACH_CORE(i) {
     122           0 :                 if (spdk_cpuset_get_cpu(set, i)) {
     123           0 :                         ++tmp_counter;
     124             :                 }
     125             :         }
     126           0 :         return spdk_cpuset_count(set) - tmp_counter;
     127             : }
     128             : 
     129             : static int
     130           0 : nvmf_decode_poll_groups_mask(const struct spdk_json_val *val, void *out)
     131             : {
     132           0 :         char *mask = spdk_json_strdup(val);
     133           0 :         int ret = -1;
     134             : 
     135           0 :         if (mask == NULL) {
     136           0 :                 return -1;
     137             :         }
     138             : 
     139           0 :         if (!(g_poll_groups_mask = spdk_cpuset_alloc())) {
     140           0 :                 SPDK_ERRLOG("Unable to allocate a poll groups mask object in nvmf_decode_poll_groups_mask.\n");
     141           0 :                 free(mask);
     142           0 :                 return -1;
     143             :         }
     144             : 
     145           0 :         ret = spdk_cpuset_parse(g_poll_groups_mask, mask);
     146           0 :         free(mask);
     147           0 :         if (ret == 0) {
     148           0 :                 if (nvmf_is_subset_of_env_core_mask(g_poll_groups_mask) == 0) {
     149           0 :                         return 0;
     150             :                 } else {
     151           0 :                         SPDK_ERRLOG("Poll groups cpumask 0x%s is out of range\n", spdk_cpuset_fmt(g_poll_groups_mask));
     152             :                 }
     153             :         } else {
     154           0 :                 SPDK_ERRLOG("Invalid cpumask\n");
     155             :         }
     156             : 
     157           0 :         spdk_cpuset_free(g_poll_groups_mask);
     158           0 :         g_poll_groups_mask = NULL;
     159           0 :         return -1;
     160             : }
     161             : 
     162             : static int
     163           0 : decode_digest(const struct spdk_json_val *val, void *out)
     164             : {
     165           0 :         uint32_t *flags = out;
     166           0 :         char *digest = NULL;
     167             :         int rc;
     168             : 
     169           0 :         rc = spdk_json_decode_string(val, &digest);
     170           0 :         if (rc != 0) {
     171           0 :                 return rc;
     172             :         }
     173             : 
     174           0 :         rc = spdk_nvme_dhchap_get_digest_id(digest);
     175           0 :         if (rc >= 0) {
     176           0 :                 *flags |= SPDK_BIT(rc);
     177           0 :                 rc = 0;
     178             :         }
     179           0 :         free(digest);
     180             : 
     181           0 :         return rc;
     182             : }
     183             : 
     184             : static int
     185           0 : decode_digest_array(const struct spdk_json_val *val, void *out)
     186             : {
     187           0 :         uint32_t *flags = out;
     188           0 :         size_t count;
     189             : 
     190           0 :         *flags = 0;
     191             : 
     192           0 :         return spdk_json_decode_array(val, decode_digest, out, 32, &count, 0);
     193             : }
     194             : 
     195             : static int
     196           0 : decode_dhgroup(const struct spdk_json_val *val, void *out)
     197             : {
     198           0 :         uint32_t *flags = out;
     199           0 :         char *dhgroup = NULL;
     200             :         int rc;
     201             : 
     202           0 :         rc = spdk_json_decode_string(val, &dhgroup);
     203           0 :         if (rc != 0) {
     204           0 :                 return rc;
     205             :         }
     206             : 
     207           0 :         rc = spdk_nvme_dhchap_get_dhgroup_id(dhgroup);
     208           0 :         if (rc >= 0) {
     209           0 :                 *flags |= SPDK_BIT(rc);
     210           0 :                 rc = 0;
     211             :         }
     212           0 :         free(dhgroup);
     213             : 
     214           0 :         return rc;
     215             : }
     216             : 
     217             : static int
     218           0 : decode_dhgroup_array(const struct spdk_json_val *val, void *out)
     219             : {
     220           0 :         uint32_t *flags = out;
     221           0 :         size_t count;
     222             : 
     223           0 :         *flags = 0;
     224             : 
     225           0 :         return spdk_json_decode_array(val, decode_dhgroup, out, 32, &count, 0);
     226             : }
     227             : 
     228             : static const struct spdk_json_object_decoder nvmf_rpc_subsystem_tgt_conf_decoder[] = {
     229             :         {"admin_cmd_passthru", offsetof(struct spdk_nvmf_tgt_conf, admin_passthru), decode_admin_passthru, true},
     230             :         {"poll_groups_mask", 0, nvmf_decode_poll_groups_mask, true},
     231             :         {"discovery_filter", offsetof(struct spdk_nvmf_tgt_conf, opts.discovery_filter), decode_discovery_filter, true},
     232             :         {"dhchap_digests", offsetof(struct spdk_nvmf_tgt_conf, opts.dhchap_digests), decode_digest_array, true},
     233             :         {"dhchap_dhgroups", offsetof(struct spdk_nvmf_tgt_conf, opts.dhchap_dhgroups), decode_dhgroup_array, true},
     234             : };
     235             : 
     236             : static void
     237           0 : rpc_nvmf_set_config(struct spdk_jsonrpc_request *request,
     238             :                     const struct spdk_json_val *params)
     239             : {
     240           0 :         struct spdk_nvmf_tgt_conf conf;
     241             : 
     242           0 :         memcpy(&conf, &g_spdk_nvmf_tgt_conf, sizeof(conf));
     243             : 
     244           0 :         if (params != NULL) {
     245           0 :                 if (spdk_json_decode_object(params, nvmf_rpc_subsystem_tgt_conf_decoder,
     246             :                                             SPDK_COUNTOF(nvmf_rpc_subsystem_tgt_conf_decoder), &conf)) {
     247           0 :                         SPDK_ERRLOG("spdk_json_decode_object() failed\n");
     248           0 :                         spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
     249             :                                                          "Invalid parameters");
     250           0 :                         return;
     251             :                 }
     252             :         }
     253             : 
     254           0 :         memcpy(&g_spdk_nvmf_tgt_conf, &conf, sizeof(conf));
     255             : 
     256           0 :         spdk_jsonrpc_send_bool_response(request, true);
     257             : }
     258           0 : SPDK_RPC_REGISTER("nvmf_set_config", rpc_nvmf_set_config, SPDK_RPC_STARTUP)
     259             : 
     260             : struct nvmf_rpc_set_crdt {
     261             :         uint16_t crdt1;
     262             :         uint16_t crdt2;
     263             :         uint16_t crdt3;
     264             : };
     265             : 
     266             : static const struct spdk_json_object_decoder rpc_set_crdt_opts_decoders[] = {
     267             :         {"crdt1", offsetof(struct nvmf_rpc_set_crdt, crdt1), spdk_json_decode_uint16, true},
     268             :         {"crdt2", offsetof(struct nvmf_rpc_set_crdt, crdt2), spdk_json_decode_uint16, true},
     269             :         {"crdt3", offsetof(struct nvmf_rpc_set_crdt, crdt3), spdk_json_decode_uint16, true},
     270             : };
     271             : 
     272             : static void
     273           0 : rpc_nvmf_set_crdt(struct spdk_jsonrpc_request *request,
     274             :                   const struct spdk_json_val *params)
     275             : {
     276           0 :         struct nvmf_rpc_set_crdt rpc_set_crdt;
     277             : 
     278           0 :         rpc_set_crdt.crdt1 = 0;
     279           0 :         rpc_set_crdt.crdt2 = 0;
     280           0 :         rpc_set_crdt.crdt3 = 0;
     281             : 
     282           0 :         if (params != NULL) {
     283           0 :                 if (spdk_json_decode_object(params, rpc_set_crdt_opts_decoders,
     284             :                                             SPDK_COUNTOF(rpc_set_crdt_opts_decoders), &rpc_set_crdt)) {
     285           0 :                         SPDK_ERRLOG("spdk_json_decode_object() failed\n");
     286           0 :                         spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
     287             :                                                          "Invalid parameters");
     288           0 :                         return;
     289             :                 }
     290             :         }
     291             : 
     292           0 :         g_spdk_nvmf_tgt_conf.opts.crdt[0] = rpc_set_crdt.crdt1;
     293           0 :         g_spdk_nvmf_tgt_conf.opts.crdt[1] = rpc_set_crdt.crdt2;
     294           0 :         g_spdk_nvmf_tgt_conf.opts.crdt[2] = rpc_set_crdt.crdt3;
     295             : 
     296           0 :         spdk_jsonrpc_send_bool_response(request, true);
     297             : }
     298           0 : SPDK_RPC_REGISTER("nvmf_set_crdt", rpc_nvmf_set_crdt, SPDK_RPC_STARTUP)

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