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diff --git a/vlib/vlib/unix/pci.h b/vlib/vlib/unix/pci.h
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+/*
+ * Copyright (c) 2015 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+/*
+ * unix/pci.h: Linux specific pci state
+ *
+ * Copyright (c) 2008 Eliot Dresselhaus
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ *  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ *  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ *  NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+ *  LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+ *  OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+ *  WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef included_unix_pci_h
+#define included_unix_pci_h
+
+#include <vlib/pci/pci.h>
+
+typedef struct {
+  /* /sys/bus/pci/devices/... directory name for this device. */
+  u8 * dev_dir_name;
+
+  /* Resource file descriptors. */
+  int * resource_fds;
+
+  /* File descriptor for config space read/write. */
+  int config_fd;
+
+  /* PCI bus address for this devices parsed from /sys/bus/pci/devices name. */
+  pci_bus_address_t bus_address;
+
+  /* File descriptor for /dev/uio%d */
+  int uio_fd;
+
+  /* Minor device for uio device. */
+  u32 uio_minor;
+
+  /* Index given by unix_file_add. */
+  u32 unix_file_index;
+
+  /* Input node to handle interrupts for this device. */ 
+  u32 device_input_node_index;
+  
+  /* Node runtime will be a bitmap of device indices with pending interrupts. */
+  u32 device_index;
+} linux_pci_device_t;
+
+/* Pool of PCI devices. */
+typedef struct {
+  vlib_main_t * vlib_main;
+  linux_pci_device_t * pci_devices;
+} linux_pci_main_t;
+
+extern linux_pci_main_t linux_pci_main;
+
+always_inline linux_pci_device_t *
+pci_dev_for_linux (pci_device_t * dev)
+{
+  linux_pci_main_t * pm = &linux_pci_main;
+  return pool_elt_at_index (pm->pci_devices, dev->os_handle);
+}
+
+/* Call to allocate/initialize the pci subsystem.
+   This is not an init function so that users can explicitly enable
+   pci only when it's needed. */
+clib_error_t * pci_bus_init (vlib_main_t * vm);
+
+#endif /* included_unix_pci_h */