lnet/utils/lnetconfig/liblnetconfig_lnd.c

   1 /*
   2  * LGPL HEADER START
   3  *
   4  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU Lesser General Public License as
   8  * published by the Free Software Foundation; either version 2.1 of the
   9  * License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful, but
  12  * WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library. If not, see <http://www.gnu.org/licenses/>.
  18  *
  19  * LGPL HEADER END
  20  *
  21  * Copyright (c) 2015, James Simmons
  22  *
  23  * Copyright (c) 2016, 2017, Intel Corporation.
  24  *
  25  * Author:
  26  *   James Simmons <jsimmons@infradead.org>
  27  */
  28
  29 #include <limits.h>
  30 #include <stdlib.h>
  31 #include <stdio.h>
  32 #include <string.h>
  33 #include <libcfs/util/ioctl.h>
  34 #include "liblnd.h"
  35 #include "liblnetconfig.h"
  36
  37 static int
  38 lustre_o2iblnd_show_tun(struct cYAML *lndparams,
  39                         struct lnet_ioctl_config_o2iblnd_tunables *lnd_cfg)
  40 {
  41         if (cYAML_create_number(lndparams, "peercredits_hiw",
  42                                 lnd_cfg->lnd_peercredits_hiw) == NULL)
  43                 return LUSTRE_CFG_RC_OUT_OF_MEM;
  44
  45         if (cYAML_create_number(lndparams, "map_on_demand",
  46                                 lnd_cfg->lnd_map_on_demand) == NULL)
  47                 return LUSTRE_CFG_RC_OUT_OF_MEM;
  48
  49         if (cYAML_create_number(lndparams, "concurrent_sends",
  50                                 lnd_cfg->lnd_concurrent_sends) == NULL)
  51                 return LUSTRE_CFG_RC_OUT_OF_MEM;
  52
  53         if (cYAML_create_number(lndparams, "fmr_pool_size",
  54                                 lnd_cfg->lnd_fmr_pool_size) == NULL)
  55                 return LUSTRE_CFG_RC_OUT_OF_MEM;
  56
  57         if (cYAML_create_number(lndparams, "fmr_flush_trigger",
  58                                 lnd_cfg->lnd_fmr_flush_trigger) == NULL)
  59                 return LUSTRE_CFG_RC_OUT_OF_MEM;
  60
  61         if (cYAML_create_number(lndparams, "fmr_cache",
  62                                 lnd_cfg->lnd_fmr_cache) == NULL)
  63                 return LUSTRE_CFG_RC_OUT_OF_MEM;
  64
  65         if (cYAML_create_number(lndparams, "ntx",
  66                                 lnd_cfg->lnd_ntx) == NULL)
  67                 return LUSTRE_CFG_RC_OUT_OF_MEM;
  68
  69         if (cYAML_create_number(lndparams, "conns_per_peer",
  70                                 lnd_cfg->lnd_conns_per_peer) == NULL)
  71                 return LUSTRE_CFG_RC_OUT_OF_MEM;
  72
  73         return LUSTRE_CFG_RC_NO_ERR;
  74 }
  75
  76
  77 static int
  78 lustre_socklnd_show_tun(struct cYAML *lndparams,
  79                         struct lnet_ioctl_config_socklnd_tunables *lnd_cfg)
  80 {
  81         if (cYAML_create_number(lndparams, "conns_per_peer",
  82                                 lnd_cfg->lnd_conns_per_peer) == NULL)
  83                 return LUSTRE_CFG_RC_OUT_OF_MEM;
  84
  85         return LUSTRE_CFG_RC_NO_ERR;
  86 }
  87
  88 static int
  89 lustre_kfilnd_show_tun(struct cYAML *lndparams,
  90                         struct lnet_ioctl_config_kfilnd_tunables *lnd_cfg)
  91 {
  92         if (cYAML_create_number(lndparams, "prov_major_version",
  93                                 lnd_cfg->lnd_prov_major_version) == NULL)
  94                 return LUSTRE_CFG_RC_OUT_OF_MEM;
  95
  96         if (cYAML_create_number(lndparams, "prov_minor_version",
  97                                 lnd_cfg->lnd_prov_minor_version) == NULL)
  98                 return LUSTRE_CFG_RC_OUT_OF_MEM;
  99
 100         if (cYAML_create_number(lndparams, "auth_key",
 101                                 lnd_cfg->lnd_auth_key) == NULL)
 102                 return LUSTRE_CFG_RC_OUT_OF_MEM;
 103
 104         return LUSTRE_CFG_RC_NO_ERR;
 105 }
 106
 107 int
 108 lustre_net_show_tunables(struct cYAML *tunables,
 109                          struct lnet_ioctl_config_lnd_cmn_tunables *cmn)
 110 {
 111         if (cYAML_create_number(tunables, "peer_timeout",
 112                                 cmn->lct_peer_timeout)
 113                                         == NULL)
 114                 goto out;
 115
 116         if (cYAML_create_number(tunables, "peer_credits",
 117                                 cmn->lct_peer_tx_credits)
 118                                         == NULL)
 119                 goto out;
 120
 121         if (cYAML_create_number(tunables,
 122                                 "peer_buffer_credits",
 123                                 cmn->lct_peer_rtr_credits)
 124                                         == NULL)
 125                 goto out;
 126
 127         if (cYAML_create_number(tunables, "credits",
 128                                 cmn->lct_max_tx_credits)
 129                                         == NULL)
 130                 goto out;
 131
 132         return LUSTRE_CFG_RC_NO_ERR;
 133
 134 out:
 135         return LUSTRE_CFG_RC_OUT_OF_MEM;
 136 }
 137
 138 int
 139 lustre_ni_show_tunables(struct cYAML *lnd_tunables,
 140                         __u32 net_type,
 141                         struct lnet_lnd_tunables *lnd)
 142 {
 143         int rc = LUSTRE_CFG_RC_NO_MATCH;
 144
 145         if (net_type == O2IBLND)
 146                 rc = lustre_o2iblnd_show_tun(lnd_tunables,
 147                                              &lnd->lnd_tun_u.lnd_o2ib);
 148         else if (net_type == SOCKLND)
 149                 rc = lustre_socklnd_show_tun(lnd_tunables,
 150                                              &lnd->lnd_tun_u.lnd_sock);
 151         else if (net_type == KFILND)
 152                 rc = lustre_kfilnd_show_tun(lnd_tunables,
 153                                             &lnd->lnd_tun_u.lnd_kfi);
 154
 155         return rc;
 156 }
 157
 158 static void
 159 yaml_extract_o2ib_tun(struct cYAML *tree,
 160                       struct lnet_ioctl_config_o2iblnd_tunables *lnd_cfg)
 161 {
 162         struct cYAML *map_on_demand = NULL, *concurrent_sends = NULL;
 163         struct cYAML *fmr_pool_size = NULL, *fmr_cache = NULL;
 164         struct cYAML *fmr_flush_trigger = NULL, *lndparams = NULL;
 165         struct cYAML *conns_per_peer = NULL, *ntx = NULL;
 166
 167         lndparams = cYAML_get_object_item(tree, "lnd tunables");
 168         if (!lndparams)
 169                 return;
 170
 171         map_on_demand = cYAML_get_object_item(lndparams, "map_on_demand");
 172         lnd_cfg->lnd_map_on_demand =
 173                 (map_on_demand) ? map_on_demand->cy_valueint : UINT_MAX;
 174
 175         concurrent_sends = cYAML_get_object_item(lndparams, "concurrent_sends");
 176         lnd_cfg->lnd_concurrent_sends =
 177                 (concurrent_sends) ? concurrent_sends->cy_valueint : 0;
 178
 179         fmr_pool_size = cYAML_get_object_item(lndparams, "fmr_pool_size");
 180         lnd_cfg->lnd_fmr_pool_size =
 181                 (fmr_pool_size) ? fmr_pool_size->cy_valueint : 0;
 182
 183         fmr_flush_trigger = cYAML_get_object_item(lndparams,
 184                                                   "fmr_flush_trigger");
 185         lnd_cfg->lnd_fmr_flush_trigger =
 186                 (fmr_flush_trigger) ? fmr_flush_trigger->cy_valueint : 0;
 187
 188         fmr_cache = cYAML_get_object_item(lndparams, "fmr_cache");
 189         lnd_cfg->lnd_fmr_cache =
 190                 (fmr_cache) ? fmr_cache->cy_valueint : 0;
 191
 192         ntx = cYAML_get_object_item(lndparams, "ntx");
 193         lnd_cfg->lnd_ntx = (ntx) ? ntx->cy_valueint : 0;
 194
 195         conns_per_peer = cYAML_get_object_item(lndparams, "conns_per_peer");
 196         lnd_cfg->lnd_conns_per_peer =
 197                 (conns_per_peer) ? conns_per_peer->cy_valueint : 1;
 198
 199 }
 200
 201 static void
 202 yaml_extract_kfi_tun(struct cYAML *tree,
 203                       struct lnet_ioctl_config_kfilnd_tunables *lnd_cfg)
 204 {
 205         struct cYAML *prov_major_version = NULL;
 206         struct cYAML *prov_minor_version = NULL;
 207         struct cYAML *auth_key = NULL;
 208         struct cYAML *lndparams = NULL;
 209
 210         lndparams = cYAML_get_object_item(tree, "lnd tunables");
 211         if (!lndparams)
 212                 return;
 213
 214         prov_major_version =
 215                 cYAML_get_object_item(lndparams, "prov_major_version");
 216         lnd_cfg->lnd_prov_major_version =
 217                 (prov_major_version) ? prov_major_version->cy_valueint : 0;
 218
 219         prov_minor_version =
 220                 cYAML_get_object_item(lndparams, "prov_minor_version");
 221         lnd_cfg->lnd_prov_minor_version =
 222                 (prov_minor_version) ? prov_minor_version->cy_valueint : 0;
 223
 224         auth_key = cYAML_get_object_item(lndparams, "auth_key");
 225         lnd_cfg->lnd_auth_key =
 226                 (auth_key) ? auth_key->cy_valueint : 0;
 227 }
 228
 229 static void
 230 yaml_extract_sock_tun(struct cYAML *tree,
 231                          struct lnet_ioctl_config_socklnd_tunables *lnd_cfg)
 232 {
 233         struct cYAML *conns_per_peer = NULL, *lndparams = NULL;
 234
 235         lndparams = cYAML_get_object_item(tree, "lnd tunables");
 236         if (!lndparams)
 237                 return;
 238
 239         conns_per_peer = cYAML_get_object_item(lndparams, "conns_per_peer");
 240         lnd_cfg->lnd_conns_per_peer =
 241                 (conns_per_peer) ? conns_per_peer->cy_valueint : 1;
 242 }
 243
 244 void
 245 lustre_yaml_extract_lnd_tunables(struct cYAML *tree,
 246                                  __u32 net_type,
 247                                  struct lnet_lnd_tunables *tun)
 248 {
 249         if (net_type == O2IBLND)
 250                 yaml_extract_o2ib_tun(tree,
 251                                       &tun->lnd_tun_u.lnd_o2ib);
 252         else if (net_type == SOCKLND)
 253                 yaml_extract_sock_tun(tree,
 254                                       &tun->lnd_tun_u.lnd_sock);
 255         else if (net_type == KFILND)
 256                 yaml_extract_kfi_tun(tree,
 257                                      &tun->lnd_tun_u.lnd_kfi);
 258 }
 259