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 <stdlib.h>
  30 #include <stdio.h>
  31 #include <string.h>
  32 #include <libcfs/util/ioctl.h>
  33 #include "liblnetconfig.h"
  34 #include "cyaml.h"
  35
  36 static int
  37 lustre_o2iblnd_show_tun(struct cYAML *lndparams,
  38                         struct lnet_ioctl_config_o2iblnd_tunables *lnd_cfg)
  39 {
  40         if (cYAML_create_number(lndparams, "peercredits_hiw",
  41                                 lnd_cfg->lnd_peercredits_hiw) == NULL)
  42                 return LUSTRE_CFG_RC_OUT_OF_MEM;
  43
  44         if (cYAML_create_number(lndparams, "map_on_demand",
  45                                 lnd_cfg->lnd_map_on_demand) == NULL)
  46                 return LUSTRE_CFG_RC_OUT_OF_MEM;
  47
  48         if (cYAML_create_number(lndparams, "concurrent_sends",
  49                                 lnd_cfg->lnd_concurrent_sends) == NULL)
  50                 return LUSTRE_CFG_RC_OUT_OF_MEM;
  51
  52         if (cYAML_create_number(lndparams, "fmr_pool_size",
  53                                 lnd_cfg->lnd_fmr_pool_size) == NULL)
  54                 return LUSTRE_CFG_RC_OUT_OF_MEM;
  55
  56         if (cYAML_create_number(lndparams, "fmr_flush_trigger",
  57                                 lnd_cfg->lnd_fmr_flush_trigger) == NULL)
  58                 return LUSTRE_CFG_RC_OUT_OF_MEM;
  59
  60         if (cYAML_create_number(lndparams, "fmr_cache",
  61                                 lnd_cfg->lnd_fmr_cache) == NULL)
  62                 return LUSTRE_CFG_RC_OUT_OF_MEM;
  63
  64         return LUSTRE_CFG_RC_NO_ERR;
  65 }
  66
  67 int
  68 lustre_net_show_tunables(struct cYAML *tunables,
  69                          struct lnet_ioctl_config_lnd_cmn_tunables *cmn)
  70 {
  71
  72
  73         if (cYAML_create_number(tunables, "peer_timeout",
  74                                 cmn->lct_peer_timeout)
  75                                         == NULL)
  76                 goto out;
  77
  78         if (cYAML_create_number(tunables, "peer_credits",
  79                                 cmn->lct_peer_tx_credits)
  80                                         == NULL)
  81                 goto out;
  82
  83         if (cYAML_create_number(tunables,
  84                                 "peer_buffer_credits",
  85                                 cmn->lct_peer_rtr_credits)
  86                                         == NULL)
  87                 goto out;
  88
  89         if (cYAML_create_number(tunables, "credits",
  90                                 cmn->lct_max_tx_credits)
  91                                         == NULL)
  92                 goto out;
  93
  94         return LUSTRE_CFG_RC_NO_ERR;
  95
  96 out:
  97         return LUSTRE_CFG_RC_OUT_OF_MEM;
  98 }
  99
 100 int
 101 lustre_ni_show_tunables(struct cYAML *lnd_tunables,
 102                         __u32 net_type,
 103                         struct lnet_lnd_tunables *lnd)
 104 {
 105         int rc = LUSTRE_CFG_RC_NO_ERR;
 106
 107         if (net_type == O2IBLND)
 108                 rc = lustre_o2iblnd_show_tun(lnd_tunables,
 109                                              &lnd->lnd_tun_u.lnd_o2ib);
 110
 111         return rc;
 112 }
 113
 114 static void
 115 yaml_extract_o2ib_tun(struct cYAML *tree,
 116                       struct lnet_ioctl_config_o2iblnd_tunables *lnd_cfg)
 117 {
 118         struct cYAML *map_on_demand = NULL, *concurrent_sends = NULL;
 119         struct cYAML *fmr_pool_size = NULL, *fmr_cache = NULL;
 120         struct cYAML *fmr_flush_trigger = NULL, *lndparams = NULL;
 121
 122         lndparams = cYAML_get_object_item(tree, "lnd tunables");
 123         if (!lndparams)
 124                 return;
 125
 126         map_on_demand = cYAML_get_object_item(lndparams, "map_on_demand");
 127         lnd_cfg->lnd_map_on_demand =
 128                 (map_on_demand) ? map_on_demand->cy_valueint : 0;
 129
 130         concurrent_sends = cYAML_get_object_item(lndparams, "concurrent_sends");
 131         lnd_cfg->lnd_concurrent_sends =
 132                 (concurrent_sends) ? concurrent_sends->cy_valueint : 0;
 133
 134         fmr_pool_size = cYAML_get_object_item(lndparams, "fmr_pool_size");
 135         lnd_cfg->lnd_fmr_pool_size =
 136                 (fmr_pool_size) ? fmr_pool_size->cy_valueint : 0;
 137
 138         fmr_flush_trigger = cYAML_get_object_item(lndparams,
 139                                                   "fmr_flush_trigger");
 140         lnd_cfg->lnd_fmr_flush_trigger =
 141                 (fmr_flush_trigger) ? fmr_flush_trigger->cy_valueint : 0;
 142
 143         fmr_cache = cYAML_get_object_item(lndparams, "fmr_cache");
 144         lnd_cfg->lnd_fmr_cache =
 145                 (fmr_cache) ? fmr_cache->cy_valueint : 0;
 146 }
 147
 148
 149 void
 150 lustre_yaml_extract_lnd_tunables(struct cYAML *tree,
 151                                  __u32 net_type,
 152                                  struct lnet_lnd_tunables *tun)
 153 {
 154         if (net_type == O2IBLND)
 155                 yaml_extract_o2ib_tun(tree,
 156                                       &tun->lnd_tun_u.lnd_o2ib);
 157
 158 }
 159