1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
|
/*
* (C) Copyright IBM Corporation 2006
* All Rights Reserved.
*
* 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
* on the rights to use, copy, modify, merge, publish, distribute, sub
* license, 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 (including the next
* paragraph) 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 NON-INFRINGEMENT. IN NO EVENT SHALL
* IBM AND/OR THEIR SUPPLIERS 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.
*/
/**
* \file pciaccess_private.h
* Functions and datastructures that are private to the pciaccess library.
*
* \author Ian Romanick <idr@us.ibm.com>
*/
#if defined(__GNUC__) && (__GNUC__ >= 4)
# define _pci_hidden __attribute__((visibility("hidden")))
#elif defined(__SUNPRO_C) && (__SUNPRO_C >= 0x550)
# define _pci_hidden __hidden
#else /* not gcc >= 4 and not Sun Studio >= 8 */
# define _pci_hidden
#endif /* GNUC >= 4 */
/*
* O_CLOEXEC fixes an fd leak case (see 'man 2 open' for details). I don't
* know of any OS we support where this isn't available in a sufficiently
* new version, so warn unconditionally.
*/
#include <sys/fcntl.h>
#ifndef O_CLOEXEC
#warning O_CLOEXEC not available, please upgrade.
#define O_CLOEXEC 0
#endif
struct pci_device_mapping;
int pci_fill_capabilities_generic( struct pci_device * dev );
int pci_device_generic_unmap_range(struct pci_device *dev,
struct pci_device_mapping *map);
struct pci_system_methods {
void (*destroy)( void );
void (*destroy_device)( struct pci_device * dev );
int (*read_rom)( struct pci_device * dev, void * buffer );
int (*probe)( struct pci_device * dev );
int (*map_range)(struct pci_device *dev, struct pci_device_mapping *map);
int (*unmap_range)(struct pci_device * dev,
struct pci_device_mapping *map);
int (*read)(struct pci_device * dev, void * data, pciaddr_t offset,
pciaddr_t size, pciaddr_t * bytes_read );
int (*write)(struct pci_device * dev, const void * data, pciaddr_t offset,
pciaddr_t size, pciaddr_t * bytes_written );
int (*fill_capabilities)( struct pci_device * dev );
void (*enable)( struct pci_device *dev );
int (*boot_vga)( struct pci_device *dev );
int (*has_kernel_driver)( struct pci_device *dev );
struct pci_io_handle *(*open_device_io)( struct pci_io_handle *handle,
struct pci_device *dev, int bar,
pciaddr_t base, pciaddr_t size );
struct pci_io_handle *(*open_legacy_io)( struct pci_io_handle *handle,
struct pci_device *dev,
pciaddr_t base, pciaddr_t size );
void (*close_io)( struct pci_device *dev, struct pci_io_handle *handle );
uint32_t (*read32)( struct pci_io_handle *handle, uint32_t reg );
uint16_t (*read16)( struct pci_io_handle *handle, uint32_t reg );
uint8_t (*read8)( struct pci_io_handle *handle, uint32_t reg );
void (*write32)( struct pci_io_handle *handle, uint32_t reg,
uint32_t data );
void (*write16)( struct pci_io_handle *handle, uint32_t reg,
uint16_t data );
void (*write8)( struct pci_io_handle *handle, uint32_t reg, uint8_t data );
int (*map_legacy)(struct pci_device *dev, pciaddr_t base, pciaddr_t size,
unsigned map_flags, void **addr);
int (*unmap_legacy)(struct pci_device *dev, void *addr, pciaddr_t size);
};
struct pci_device_mapping {
pciaddr_t base;
pciaddr_t size;
unsigned region;
unsigned flags;
void *memory;
};
struct pci_io_handle {
pciaddr_t base;
pciaddr_t size;
void *memory;
int fd;
};
struct pci_device_private {
struct pci_device base;
const char * device_string;
uint8_t header_type;
/**
* \name PCI Capabilities
*/
/*@{*/
const struct pci_agp_info * agp; /**< AGP capability information. */
/*@}*/
/**
* Base address of the device's expansion ROM.
*/
pciaddr_t rom_base;
/**
* \name Bridge information.
*/
/*@{*/
union {
struct pci_bridge_info * pci;
struct pci_pcmcia_bridge_info * pcmcia;
} bridge;
/*@}*/
/**
* \name Mappings active on this device.
*/
/*@{*/
struct pci_device_mapping *mappings;
unsigned num_mappings;
/*@}*/
};
/**
* Base type for tracking PCI subsystem information.
*/
struct pci_system {
/**
* Platform dependent implementations of specific API routines.
*/
const struct pci_system_methods * methods;
/**
* Number of known devices in the system.
*/
size_t num_devices;
/**
* Array of known devices.
*/
struct pci_device_private * devices;
#ifdef HAVE_MTRR
int mtrr_fd;
#endif
int vgaarb_fd;
int vga_count;
struct pci_device *vga_target;
struct pci_device *vga_default_dev;
};
extern struct pci_system * pci_sys;
extern int pci_system_linux_sysfs_create( void );
extern int pci_system_freebsd_create( void );
extern int pci_system_netbsd_create( void );
extern int pci_system_openbsd_create( void );
extern void pci_system_openbsd_init_dev_mem( int );
extern int pci_system_solx_devfs_create( void );
extern int pci_system_x86_create( void );
extern void pci_io_cleanup( void );
|
