ceph/src/spdk/lib/env_dpdk/pci_virtio.c

   1 /*-
   2  *   BSD LICENSE
   3  *
   4  *   Copyright (c) Intel Corporation.
   5  *   All rights reserved.
   6  *
   7  *   Redistribution and use in source and binary forms, with or without
   8  *   modification, are permitted provided that the following conditions
   9  *   are met:
  10  *
  11  *     * Redistributions of source code must retain the above copyright
  12  *       notice, this list of conditions and the following disclaimer.
  13  *     * Redistributions in binary form must reproduce the above copyright
  14  *       notice, this list of conditions and the following disclaimer in
  15  *       the documentation and/or other materials provided with the
  16  *       distribution.
  17  *     * Neither the name of Intel Corporation nor the names of its
  18  *       contributors may be used to endorse or promote products derived
  19  *       from this software without specific prior written permission.
  20  *
  21  *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  22  *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  23  *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  24  *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  25  *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  26  *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  27  *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  28  *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  29  *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  30  *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  31  *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  32  */
  33
  34 #include "env_internal.h"
  35
  36 #include "spdk/pci_ids.h"
  37
  38 static struct rte_pci_id virtio_pci_driver_id[] = {
  39         { RTE_PCI_DEVICE(SPDK_PCI_VID_VIRTIO, PCI_DEVICE_ID_VIRTIO_SCSI_MODERN) },
  40         { RTE_PCI_DEVICE(SPDK_PCI_VID_VIRTIO, PCI_DEVICE_ID_VIRTIO_BLK_MODERN) },
  41         { .vendor_id = 0, /* sentinel */ },
  42 };
  43
  44 static struct spdk_pci_driver g_virtio_pci_drv = {
  45         .driver = {
  46                 .drv_flags      = RTE_PCI_DRV_NEED_MAPPING
  47 #if RTE_VERSION >= RTE_VERSION_NUM(18, 8, 0, 0)
  48                 | RTE_PCI_DRV_WC_ACTIVATE
  49 #endif
  50                 ,
  51                 .id_table       = virtio_pci_driver_id,
  52                 .probe          = spdk_pci_device_init,
  53                 .remove         = spdk_pci_device_fini,
  54                 .driver.name    = "spdk_virtio",
  55         },
  56
  57         .cb_fn = NULL,
  58         .cb_arg = NULL,
  59         .is_registered = false,
  60 };
  61
  62 struct spdk_pci_driver *
  63 spdk_pci_virtio_get_driver(void)
  64 {
  65         return &g_virtio_pci_drv;
  66 }
  67
  68 SPDK_PMD_REGISTER_PCI(g_virtio_pci_drv);