ceph/src/seastar/dpdk/test/test/test_devargs.c

   1 /*-
   2  *   BSD LICENSE
   3  *
   4  *   Copyright 2014 6WIND S.A.
   5  *
   6  *   Redistribution and use in source and binary forms, with or without
   7  *   modification, are permitted provided that the following conditions
   8  *   are met:
   9  *
  10  *     * Redistributions of source code must retain the above copyright
  11  *       notice, this list of conditions and the following disclaimer.
  12  *     * Redistributions in binary form must reproduce the above copyright
  13  *       notice, this list of conditions and the following disclaimer in
  14  *       the documentation and/or other materials provided with the
  15  *       distribution.
  16  *     * Neither the name of 6WIND S.A nor the names of its contributors
  17  *       may be used to endorse or promote products derived from this
  18  *       software without specific prior written permission.
  19  *
  20  *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  21  *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  22  *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  23  *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  24  *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  25  *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  26  *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  27  *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  28  *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  29  *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  30  *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  31  */
  32
  33 #include <stdio.h>
  34 #include <stdlib.h>
  35 #include <string.h>
  36 #include <sys/queue.h>
  37
  38 #include <rte_debug.h>
  39 #include <rte_devargs.h>
  40
  41 #include "test.h"
  42
  43 /* clear devargs list that was modified by the test */
  44 static void free_devargs_list(void)
  45 {
  46         struct rte_devargs *devargs;
  47
  48         while (!TAILQ_EMPTY(&devargs_list)) {
  49                 devargs = TAILQ_FIRST(&devargs_list);
  50                 TAILQ_REMOVE(&devargs_list, devargs, next);
  51                 free(devargs->args);
  52                 free(devargs);
  53         }
  54 }
  55
  56 static int
  57 test_devargs(void)
  58 {
  59         struct rte_devargs_list save_devargs_list;
  60         struct rte_devargs *devargs;
  61
  62         /* save the real devargs_list, it is restored at the end of the test */
  63         save_devargs_list = devargs_list;
  64         TAILQ_INIT(&devargs_list);
  65
  66         /* test valid cases */
  67         if (rte_eal_devargs_add(RTE_DEVTYPE_WHITELISTED_PCI, "08:00.1") < 0)
  68                 goto fail;
  69         if (rte_eal_devargs_add(RTE_DEVTYPE_WHITELISTED_PCI, "0000:5:00.0") < 0)
  70                 goto fail;
  71         if (rte_eal_devargs_add(RTE_DEVTYPE_BLACKLISTED_PCI, "04:00.0,arg=val") < 0)
  72                 goto fail;
  73         if (rte_eal_devargs_add(RTE_DEVTYPE_BLACKLISTED_PCI, "0000:01:00.1") < 0)
  74                 goto fail;
  75         if (rte_eal_devargs_type_count(RTE_DEVTYPE_WHITELISTED_PCI) != 2)
  76                 goto fail;
  77         if (rte_eal_devargs_type_count(RTE_DEVTYPE_BLACKLISTED_PCI) != 2)
  78                 goto fail;
  79         if (rte_eal_devargs_type_count(RTE_DEVTYPE_VIRTUAL) != 0)
  80                 goto fail;
  81         if (rte_eal_devargs_add(RTE_DEVTYPE_VIRTUAL, "net_ring0") < 0)
  82                 goto fail;
  83         if (rte_eal_devargs_add(RTE_DEVTYPE_VIRTUAL, "net_ring1,key=val,k2=val2") < 0)
  84                 goto fail;
  85         if (rte_eal_devargs_type_count(RTE_DEVTYPE_VIRTUAL) != 2)
  86                 goto fail;
  87         free_devargs_list();
  88
  89         /* check virtual device with argument parsing */
  90         if (rte_eal_devargs_add(RTE_DEVTYPE_VIRTUAL, "net_ring1,k1=val,k2=val2") < 0)
  91                 goto fail;
  92         devargs = TAILQ_FIRST(&devargs_list);
  93         if (strncmp(devargs->virt.drv_name, "net_ring1",
  94                         sizeof(devargs->virt.drv_name)) != 0)
  95                 goto fail;
  96         if (!devargs->args || strcmp(devargs->args, "k1=val,k2=val2") != 0)
  97                 goto fail;
  98         free_devargs_list();
  99
 100         /* check PCI device with empty argument parsing */
 101         if (rte_eal_devargs_add(RTE_DEVTYPE_WHITELISTED_PCI, "04:00.1") < 0)
 102                 goto fail;
 103         devargs = TAILQ_FIRST(&devargs_list);
 104         if (devargs->pci.addr.domain != 0 ||
 105                 devargs->pci.addr.bus != 4 ||
 106                 devargs->pci.addr.devid != 0 ||
 107                 devargs->pci.addr.function != 1)
 108                 goto fail;
 109         if (!devargs->args || strcmp(devargs->args, "") != 0)
 110                 goto fail;
 111         free_devargs_list();
 112
 113         /* test error case: bad PCI address */
 114         if (rte_eal_devargs_add(RTE_DEVTYPE_WHITELISTED_PCI, "08:1") == 0)
 115                 goto fail;
 116         if (rte_eal_devargs_add(RTE_DEVTYPE_WHITELISTED_PCI, "00.1") == 0)
 117                 goto fail;
 118         if (rte_eal_devargs_add(RTE_DEVTYPE_WHITELISTED_PCI, "foo") == 0)
 119                 goto fail;
 120         if (rte_eal_devargs_add(RTE_DEVTYPE_WHITELISTED_PCI, ",") == 0)
 121                 goto fail;
 122         if (rte_eal_devargs_add(RTE_DEVTYPE_WHITELISTED_PCI, "000f:0:0") == 0)
 123                 goto fail;
 124
 125         devargs_list = save_devargs_list;
 126         return 0;
 127
 128  fail:
 129         free_devargs_list();
 130         devargs_list = save_devargs_list;
 131         return -1;
 132 }
 133
 134 REGISTER_TEST_COMMAND(devargs_autotest, test_devargs);