blob: 17c27e194a29ce6af54b908639c2ff5f8755e0ec [file] [log] [blame]
/*
* The PCI Library -- Internal Stuff
*
* Copyright (c) 1997--2018 Martin Mares <mj@ucw.cz>
*
* Can be freely distributed and used under the terms of the GNU GPL.
*/
#include "config.h"
#ifdef PCI_SHARED_LIB
#define PCI_ABI __attribute__((visibility("default")))
// Functions, which are bound to externally visible symbols by the versioning
// mechanism, have to be declared as VERSIONED. Otherwise, GCC with global
// optimizations is happy to optimize them away, leading to linker failures.
#define VERSIONED_ABI __attribute__((used)) PCI_ABI
#ifdef __APPLE__
#define STATIC_ALIAS(_decl, _for) _decl PCI_ABI { return _for; }
#define DEFINE_ALIAS(_decl, _for)
#define SYMBOL_VERSION(_int, _ext)
#else
#define STATIC_ALIAS(_decl, _for)
#define DEFINE_ALIAS(_decl, _for) extern _decl __attribute__((alias(#_for)))
#define SYMBOL_VERSION(_int, _ext) asm(".symver " #_int "," #_ext)
#endif
#else
#define VERSIONED_ABI
#define STATIC_ALIAS(_decl, _for) _decl { return _for; }
#define DEFINE_ALIAS(_decl, _for)
#define SYMBOL_VERSION(_int, _ext)
#endif
#include "pci.h"
#include "sysdep.h"
struct pci_methods {
char *name;
char *help;
void (*config)(struct pci_access *);
int (*detect)(struct pci_access *);
void (*init)(struct pci_access *);
void (*cleanup)(struct pci_access *);
void (*scan)(struct pci_access *);
unsigned int (*fill_info)(struct pci_dev *, unsigned int flags);
int (*read)(struct pci_dev *, int pos, byte *buf, int len);
int (*write)(struct pci_dev *, int pos, byte *buf, int len);
int (*read_vpd)(struct pci_dev *, int pos, byte *buf, int len);
void (*init_dev)(struct pci_dev *);
void (*cleanup_dev)(struct pci_dev *);
};
/* generic.c */
void pci_generic_scan_bus(struct pci_access *, byte *busmap, int bus);
void pci_generic_scan(struct pci_access *);
unsigned int pci_generic_fill_info(struct pci_dev *, unsigned int flags);
int pci_generic_block_read(struct pci_dev *, int pos, byte *buf, int len);
int pci_generic_block_write(struct pci_dev *, int pos, byte *buf, int len);
/* init.c */
void *pci_malloc(struct pci_access *, int);
void pci_mfree(void *);
char *pci_strdup(struct pci_access *a, const char *s);
void pci_init_v30(struct pci_access *a) VERSIONED_ABI;
void pci_init_v35(struct pci_access *a) VERSIONED_ABI;
/* access.c */
struct pci_dev *pci_alloc_dev(struct pci_access *);
int pci_link_dev(struct pci_access *, struct pci_dev *);
int pci_fill_info_v30(struct pci_dev *, int flags) VERSIONED_ABI;
int pci_fill_info_v31(struct pci_dev *, int flags) VERSIONED_ABI;
int pci_fill_info_v32(struct pci_dev *, int flags) VERSIONED_ABI;
int pci_fill_info_v33(struct pci_dev *, int flags) VERSIONED_ABI;
int pci_fill_info_v34(struct pci_dev *, int flags) VERSIONED_ABI;
int pci_fill_info_v35(struct pci_dev *, int flags) VERSIONED_ABI;
struct pci_property {
struct pci_property *next;
u32 key;
char value[1];
};
char *pci_set_property(struct pci_dev *d, u32 key, char *value);
/* params.c */
void pci_define_param(struct pci_access *acc, char *param, char *val, char *help);
int pci_set_param_internal(struct pci_access *acc, char *param, char *val, int copy);
void pci_free_params(struct pci_access *acc);
/* caps.c */
unsigned int pci_scan_caps(struct pci_dev *, unsigned int want_fields);
void pci_free_caps(struct pci_dev *);
extern struct pci_methods pm_intel_conf1, pm_intel_conf2, pm_linux_proc,
pm_fbsd_device, pm_aix_device, pm_nbsd_libpci, pm_obsd_device,
pm_dump, pm_linux_sysfs, pm_darwin, pm_sylixos_device, pm_hurd;