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, 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 "liblnetconfig.h"
  35 #include "cyaml.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, "conns_per_peer",
  66                                 lnd_cfg->lnd_conns_per_peer) == NULL)
  67                 return LUSTRE_CFG_RC_OUT_OF_MEM;
  68
  69         return LUSTRE_CFG_RC_NO_ERR;
  70 }
  71
  72 int
  73 lustre_net_show_tunables(struct cYAML *tunables,
  74                          struct lnet_ioctl_config_lnd_cmn_tunables *cmn)
  75 {
  76
  77
  78         if (cYAML_create_number(tunables, "peer_timeout",
  79                                 cmn->lct_peer_timeout)
  80                                         == NULL)
  81                 goto out;
  82
  83         if (cYAML_create_number(tunables, "peer_credits",
  84                                 cmn->lct_peer_tx_credits)
  85                                         == NULL)
  86                 goto out;
  87
  88         if (cYAML_create_number(tunables,
  89                                 "peer_buffer_credits",
  90                                 cmn->lct_peer_rtr_credits)
  91                                         == NULL)
  92                 goto out;
  93
  94         if (cYAML_create_number(tunables, "credits",
  95                                 cmn->lct_max_tx_credits)
  96                                         == NULL)
  97                 goto out;
  98
  99         return LUSTRE_CFG_RC_NO_ERR;
 100
 101 out:
 102         return LUSTRE_CFG_RC_OUT_OF_MEM;
 103 }
 104
 105 int
 106 lustre_ni_show_tunables(struct cYAML *lnd_tunables,
 107                         __u32 net_type,
 108                         struct lnet_lnd_tunables *lnd)
 109 {
 110         int rc = LUSTRE_CFG_RC_NO_ERR;
 111
 112         if (net_type == O2IBLND)
 113                 rc = lustre_o2iblnd_show_tun(lnd_tunables,
 114                                              &lnd->lnd_tun_u.lnd_o2ib);
 115
 116         return rc;
 117 }
 118
 119 static void
 120 yaml_extract_o2ib_tun(struct cYAML *tree,
 121                       struct lnet_ioctl_config_o2iblnd_tunables *lnd_cfg)
 122 {
 123         struct cYAML *map_on_demand = NULL, *concurrent_sends = NULL;
 124         struct cYAML *fmr_pool_size = NULL, *fmr_cache = NULL;
 125         struct cYAML *fmr_flush_trigger = NULL, *lndparams = NULL;
 126         struct cYAML *conns_per_peer = NULL;
 127
 128         lndparams = cYAML_get_object_item(tree, "lnd tunables");
 129         if (!lndparams)
 130                 return;
 131
 132         map_on_demand = cYAML_get_object_item(lndparams, "map_on_demand");
 133         lnd_cfg->lnd_map_on_demand =
 134                 (map_on_demand) ? map_on_demand->cy_valueint : 0;
 135
 136         concurrent_sends = cYAML_get_object_item(lndparams, "concurrent_sends");
 137         lnd_cfg->lnd_concurrent_sends =
 138                 (concurrent_sends) ? concurrent_sends->cy_valueint : 0;
 139
 140         fmr_pool_size = cYAML_get_object_item(lndparams, "fmr_pool_size");
 141         lnd_cfg->lnd_fmr_pool_size =
 142                 (fmr_pool_size) ? fmr_pool_size->cy_valueint : 0;
 143
 144         fmr_flush_trigger = cYAML_get_object_item(lndparams,
 145                                                   "fmr_flush_trigger");
 146         lnd_cfg->lnd_fmr_flush_trigger =
 147                 (fmr_flush_trigger) ? fmr_flush_trigger->cy_valueint : 0;
 148
 149         fmr_cache = cYAML_get_object_item(lndparams, "fmr_cache");
 150         lnd_cfg->lnd_fmr_cache =
 151                 (fmr_cache) ? fmr_cache->cy_valueint : 0;
 152
 153         conns_per_peer = cYAML_get_object_item(lndparams, "conns_per_peer");
 154         lnd_cfg->lnd_conns_per_peer =
 155                 (conns_per_peer) ? conns_per_peer->cy_valueint : 1;
 156 }
 157
 158
 159 void
 160 lustre_yaml_extract_lnd_tunables(struct cYAML *tree,
 161                                  __u32 net_type,
 162                                  struct lnet_lnd_tunables *tun)
 163 {
 164         if (net_type == O2IBLND)
 165                 yaml_extract_o2ib_tun(tree,
 166                                       &tun->lnd_tun_u.lnd_o2ib);
 167
 168 }
 169