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/*
* (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>
*/
#ifndef PCIACCESS_PRIVATE_H
#define PCIACCESS_PRIVATE_H
#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 <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;
int is_legacy;
};
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;
/*@}*/
#ifdef __sun
int is_primary;
#endif
#ifdef __GNU__
unsigned long device_port;
#endif
};
/**
* 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 void pci_system_freebsd_init_dev_mem( int );
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_hurd_create( void );
extern int pci_system_x86_create( void );
extern void pci_io_cleanup( void );
#endif /* PCIACCESS_PRIVATE_H */
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