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26 * \file pciaccess_private.h
27 * Functions and datastructures that are private to the pciaccess library.
29 * \author Ian Romanick <idr@us.ibm.com>
32 #if defined(__GNUC__) && (__GNUC__ >= 4)
33 # define _pci_hidden __attribute__((visibility("hidden")))
34 #elif defined(__SUNPRO_C) && (__SUNPRO_C >= 0x550)
35 # define _pci_hidden __hidden
36 #else /* not gcc >= 4 and not Sun Studio >= 8 */
38 #endif /* GNUC >= 4 */
40 struct pci_device_mapping;
42 int pci_fill_capabilities_generic( struct pci_device * dev );
43 int pci_device_generic_unmap_range(struct pci_device *dev,
44 struct pci_device_mapping *map);
46 struct pci_system_methods {
47 void (*destroy)( void );
48 void (*destroy_device)( struct pci_device * dev );
49 int (*read_rom)( struct pci_device * dev, void * buffer );
50 int (*probe)( struct pci_device * dev );
51 int (*map_range)(struct pci_device *dev, struct pci_device_mapping *map);
52 int (*unmap_range)(struct pci_device * dev,
53 struct pci_device_mapping *map);
55 int (*read)(struct pci_device * dev, void * data, pciaddr_t offset,
56 pciaddr_t size, pciaddr_t * bytes_read );
58 int (*write)(struct pci_device * dev, const void * data, pciaddr_t offset,
59 pciaddr_t size, pciaddr_t * bytes_written );
61 int (*fill_capabilities)( struct pci_device * dev );
62 void (*enable)( struct pci_device *dev );
63 int (*boot_vga)( struct pci_device *dev );
64 int (*has_kernel_driver)( struct pci_device *dev );
65 struct pci_io_handle *(*open_device_io)( struct pci_io_handle *handle,
66 struct pci_device *dev, int bar,
67 pciaddr_t base, pciaddr_t size );
68 struct pci_io_handle *(*open_legacy_io)( struct pci_io_handle *handle,
69 struct pci_device *dev,
70 pciaddr_t base, pciaddr_t size );
71 void (*close_io)( struct pci_device *dev, struct pci_io_handle *handle );
72 uint32_t (*read32)( struct pci_io_handle *handle, uint32_t reg );
73 uint16_t (*read16)( struct pci_io_handle *handle, uint32_t reg );
74 uint8_t (*read8)( struct pci_io_handle *handle, uint32_t reg );
75 void (*write32)( struct pci_io_handle *handle, uint32_t reg,
77 void (*write16)( struct pci_io_handle *handle, uint32_t reg,
79 void (*write8)( struct pci_io_handle *handle, uint32_t reg, uint8_t data );
82 struct pci_device_mapping {
90 struct pci_io_handle {
96 struct pci_device_private {
97 struct pci_device base;
98 const char * device_string;
103 * \name PCI Capabilities
106 const struct pci_agp_info * agp; /**< AGP capability information. */
110 * Base address of the device's expansion ROM.
115 * \name Bridge information.
119 struct pci_bridge_info * pci;
120 struct pci_pcmcia_bridge_info * pcmcia;
125 * \name Mappings active on this device.
128 struct pci_device_mapping *mappings;
129 unsigned num_mappings;
135 * Base type for tracking PCI subsystem information.
139 * Platform dependent implementations of specific API routines.
141 const struct pci_system_methods * methods;
144 * Number of known devices in the system.
149 * Array of known devices.
151 struct pci_device_private * devices;
158 struct pci_device *vga_target;
159 struct pci_device *vga_default_dev;
162 extern struct pci_system * pci_sys;
164 extern int pci_system_linux_sysfs_create( void );
165 extern int pci_system_freebsd_create( void );
166 extern int pci_system_netbsd_create( void );
167 extern int pci_system_openbsd_create( void );
168 extern void pci_system_openbsd_init_dev_mem( int );
169 extern int pci_system_solx_devfs_create( void );
170 extern int pci_system_x86_create( void );
171 extern void pci_io_cleanup( void );