2 * Copyright (c) 2015 Cisco and/or its affiliates.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at:
7 * http://www.apache.org/licenses/LICENSE-2.0
9 * Unless required by applicable law or agreed to in writing, software
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11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
16 * unix/pci.h: Linux specific pci state
18 * Copyright (c) 2008 Eliot Dresselhaus
20 * Permission is hereby granted, free of charge, to any person obtaining
21 * a copy of this software and associated documentation files (the
22 * "Software"), to deal in the Software without restriction, including
23 * without limitation the rights to use, copy, modify, merge, publish,
24 * distribute, sublicense, and/or sell copies of the Software, and to
25 * permit persons to whom the Software is furnished to do so, subject to
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28 * The above copyright notice and this permission notice shall be
29 * included in all copies or substantial portions of the Software.
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33 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
34 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
35 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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37 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
40 #ifndef included_unix_pci_h
41 #define included_unix_pci_h
43 #include <vlib/pci/pci.h>
46 /* /sys/bus/pci/devices/... directory name for this device. */
49 /* Resource file descriptors. */
52 /* File descriptor for config space read/write. */
55 /* PCI bus address for this devices parsed from /sys/bus/pci/devices name. */
56 pci_bus_address_t bus_address;
58 /* File descriptor for /dev/uio%d */
61 /* Minor device for uio device. */
64 /* Index given by unix_file_add. */
67 /* Input node to handle interrupts for this device. */
68 u32 device_input_node_index;
70 /* Node runtime will be a bitmap of device indices with pending interrupts. */
74 /* Pool of PCI devices. */
76 vlib_main_t * vlib_main;
77 linux_pci_device_t * pci_devices;
80 extern linux_pci_main_t linux_pci_main;
82 always_inline linux_pci_device_t *
83 pci_dev_for_linux (pci_device_t * dev)
85 linux_pci_main_t * pm = &linux_pci_main;
86 return pool_elt_at_index (pm->pci_devices, dev->os_handle);
89 /* Call to allocate/initialize the pci subsystem.
90 This is not an init function so that users can explicitly enable
91 pci only when it's needed. */
92 clib_error_t * pci_bus_init (vlib_main_t * vm);
94 #endif /* included_unix_pci_h */