tools/virt-host-validate-bhyve.c

   1 /*
   2  * virt-host-validate-bhyve.c: Sanity check a bhyve hypervisor host
   3  *
   4  * Copyright (C) 2017 Roman Bogorodskiy
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but 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
  18  * <http://www.gnu.org/licenses/>.
  19  *
  20  */
  21
  22 #include <config.h>
  23
  24 #include <sys/param.h>
  25 #include <sys/linker.h>
  26
  27 #include "virt-host-validate-bhyve.h"
  28 #include "virt-host-validate-common.h"
  29
  30 #define MODULE_STATUS(mod, err_msg, err_code) \
  31     virHostMsgCheck("BHYVE", _("for %s module"), #mod); \
  32     if (mod ## _loaded) { \
  33         virHostMsgPass(); \
  34     } else { \
  35         virHostMsgFail(err_code, \
  36                        _("%s module is not loaded, " err_msg), \
  37                         #mod); \
  38         ret = -1; \
  39     }
  40
  41 #define MODULE_STATUS_FAIL(mod, err_msg) \
  42     MODULE_STATUS(mod, err_msg, VIR_HOST_VALIDATE_FAIL)
  43
  44 #define MODULE_STATUS_WARN(mod, err_msg) \
  45     MODULE_STATUS(mod, err_msg, VIR_HOST_VALIDATE_WARN)
  46
  47
  48 int virHostValidateBhyve(void)
  49 {
  50     int ret = 0;
  51     int fileid = 0;
  52     struct kld_file_stat stat;
  53     bool vmm_loaded = false, if_tap_loaded = false;
  54     bool if_bridge_loaded = false, nmdm_loaded = false;
  55
  56     for (fileid = kldnext(0); fileid > 0; fileid = kldnext(fileid)) {
  57         stat.version = sizeof(struct kld_file_stat);
  58         if (kldstat(fileid, &stat) < 0)
  59             continue;
  60
  61         if (STREQ(stat.name, "vmm.ko"))
  62             vmm_loaded = true;
  63         else if (STREQ(stat.name, "if_tap.ko"))
  64             if_tap_loaded = true;
  65         else if (STREQ(stat.name, "if_bridge.ko"))
  66             if_bridge_loaded = true;
  67         else if (STREQ(stat.name, "nmdm.ko"))
  68             nmdm_loaded = true;
  69     }
  70
  71     MODULE_STATUS_FAIL(vmm, "will not be able to start VMs");
  72     MODULE_STATUS_WARN(if_tap, "networking will not work");
  73     MODULE_STATUS_WARN(if_bridge, "bridged networking will not work");
  74     MODULE_STATUS_WARN(nmdm, "nmdm console will not work");
  75
  76     return ret;
  77 }