1 /*
2 * Copyright 2020 Google Inc.
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include "pciaccess.hpp"
18
19 #include <cstdio>
20 #include <cstring>
21 #include <system_error>
22
23 namespace host_tool
24 {
25
pci_id_match_iterator_create(const struct pci_id_match * match) const26 struct pci_device_iterator* PciAccessImpl::pci_id_match_iterator_create(
27 const struct pci_id_match* match) const
28 {
29 return ::pci_id_match_iterator_create(match);
30 }
31
pci_iterator_destroy(struct pci_device_iterator * iter) const32 void PciAccessImpl::pci_iterator_destroy(struct pci_device_iterator* iter) const
33 {
34 return ::pci_iterator_destroy(iter);
35 }
36
pci_device_enable(struct pci_device * dev) const37 void PciAccessImpl::pci_device_enable(struct pci_device* dev) const
38 {
39 return ::pci_device_enable(dev);
40 }
41
42 struct pci_device*
pci_device_next(struct pci_device_iterator * iter) const43 PciAccessImpl::pci_device_next(struct pci_device_iterator* iter) const
44 {
45 return ::pci_device_next(iter);
46 }
47
pci_device_probe(struct pci_device * dev) const48 int PciAccessImpl::pci_device_probe(struct pci_device* dev) const
49 {
50 return ::pci_device_probe(dev);
51 }
52
pci_device_cfg_read_u8(struct pci_device * dev,std::uint8_t * data,pciaddr_t offset) const53 int PciAccessImpl::pci_device_cfg_read_u8(struct pci_device* dev,
54 std::uint8_t* data,
55 pciaddr_t offset) const
56 {
57 return ::pci_device_cfg_read_u8(dev, data, offset);
58 }
59
pci_device_cfg_write_u8(struct pci_device * dev,std::uint8_t data,pciaddr_t offset) const60 int PciAccessImpl::pci_device_cfg_write_u8(struct pci_device* dev,
61 std::uint8_t data,
62 pciaddr_t offset) const
63 {
64 return ::pci_device_cfg_write_u8(dev, data, offset);
65 }
66
pci_device_map_range(struct pci_device * dev,pciaddr_t base,pciaddr_t size,unsigned map_flags,void ** addr) const67 int PciAccessImpl::pci_device_map_range(struct pci_device* dev, pciaddr_t base,
68 pciaddr_t size, unsigned map_flags,
69 void** addr) const
70 {
71 return ::pci_device_map_range(dev, base, size, map_flags, addr);
72 }
73
pci_device_unmap_range(struct pci_device * dev,void * memory,pciaddr_t size) const74 int PciAccessImpl::pci_device_unmap_range(struct pci_device* dev, void* memory,
75 pciaddr_t size) const
76 {
77 return ::pci_device_unmap_range(dev, memory, size);
78 }
79
PciAccessImpl()80 PciAccessImpl::PciAccessImpl()
81 {
82 int ret = ::pci_system_init();
83 if (ret)
84 {
85 throw std::system_error(ret, std::generic_category(),
86 "Error setting up libpciaccess");
87 }
88 }
89
~PciAccessImpl()90 PciAccessImpl::~PciAccessImpl()
91 {
92 ::pci_system_cleanup();
93 }
94
95 } // namespace host_tool
96