X-Git-Url: http://mj.ucw.cz/gitweb/?a=blobdiff_plain;f=lib%2Finternal.h;h=00ac401ec5a3e07d3165b391d59b7ec9d01dd0c1;hb=6182921907ef3cc31be3394eb468b24bcd3955a8;hp=ff86b2d4774337ee6956a0ec19b9aa9d69008f20;hpb=14d6c0a377eff7ac4f488a640249a25703725cac;p=pciutils.git diff --git a/lib/internal.h b/lib/internal.h index ff86b2d..00ac401 100644 --- a/lib/internal.h +++ b/lib/internal.h @@ -1,94 +1,142 @@ /* - * $Id: internal.h,v 1.4 2000/04/21 11:58:00 mj Exp $ + * The PCI Library -- Internal Stuff * - * The PCI Library -- Internal Include File + * Copyright (c) 1997--2022 Martin Mares * - * Copyright (c) 1997--1999 Martin Mares + * Can be freely distributed and used under the terms of the GNU GPL v2+ * - * Can be freely distributed and used under the terms of the GNU GPL. + * SPDX-License-Identifier: GPL-2.0-or-later */ -#include "pci.h" - -#ifdef HAVE_PM_LINUX_BYTEORDER_H - -#include -#define cpu_to_le16 __cpu_to_le16 -#define cpu_to_le32 __cpu_to_le32 -#define le16_to_cpu __le16_to_cpu -#define le32_to_cpu __le32_to_cpu - +#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 VERSIONED_ABI { return _for; } +#define DEFINE_ALIAS(_decl, _for) +#define SYMBOL_VERSION(_int, _ext) #else - -#ifdef OS_LINUX -#include -#define BYTE_ORDER __BYTE_ORDER -#define BIG_ENDIAN __BIG_ENDIAN +#define STATIC_ALIAS(_decl, _for) +#define DEFINE_ALIAS(_decl, _for) extern _decl __attribute__((alias(#_for))) VERSIONED_ABI +#ifdef _WIN32 +/* GCC does not support asm .symver directive for Windows targets, so define new external global function symbol as alias to internal symbol */ +#define SYMBOL_VERSION(_int, _ext) asm(".globl\t" PCI_STRINGIFY(__MINGW_USYMBOL(_ext)) "\n\t" \ + ".def\t" PCI_STRINGIFY(__MINGW_USYMBOL(_ext)) ";\t.scl\t2;\t.type\t32;\t.endef\n\t" \ + ".set\t" PCI_STRINGIFY(__MINGW_USYMBOL(_ext)) "," PCI_STRINGIFY(__MINGW_USYMBOL(_int))) +#else +#define SYMBOL_VERSION(_int, _ext) asm(".symver " #_int "," #_ext) #endif - -#ifdef OS_FREEBSD -#include #endif - -#if BYTE_ORDER == BIG_ENDIAN -#define cpu_to_le16 swab16 -#define cpu_to_le32 swab32 -#define le16_to_cpu swab16 -#define le32_to_cpu swab32 - -static inline word swab16(word w) -{ - return (w << 8) | ((w >> 8) & 0xff); -} - -static inline u32 swab32(u32 w) -{ - return ((w & 0xff000000) >> 24) | - ((w & 0x00ff0000) >> 8) | - ((w & 0x0000ff00) << 8) | - ((w & 0x000000ff) << 24); -} #else -#define cpu_to_le16(x) (x) -#define cpu_to_le32(x) (x) -#define le16_to_cpu(x) (x) -#define le32_to_cpu(x) (x) +#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" + +/* Old 32-bit-only versions of MinGW32 do not define __MINGW_USYMBOL macro */ +#ifdef __MINGW32__ +#ifndef __MINGW_USYMBOL +#define __MINGW_USYMBOL(sym) _##sym #endif +#endif + +#define _PCI_STRINGIFY(x) #x +#define PCI_STRINGIFY(x) _PCI_STRINGIFY(x) 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 *); - int (*fill_info)(struct pci_dev *, int flags); + void (*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 *); }; -void pci_generic_scan_bus(struct pci_access *, byte *busmap, int bus); +/* generic.c */ +void pci_generic_scan_bus(struct pci_access *, byte *busmap, int domain, int bus); +void pci_generic_scan_domain(struct pci_access *, int domain); void pci_generic_scan(struct pci_access *); -int pci_generic_fill_info(struct pci_dev *, int flags); +void 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); +/* emulated.c */ +int pci_emulated_read(struct pci_dev *d, 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); +struct pci_access *pci_clone_access(struct pci_access *a); +int pci_init_internal(struct pci_access *a, int skip_method); + +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 *); -extern struct pci_methods pm_intel_conf1, pm_intel_conf2, pm_linux_proc, - pm_syscalls, pm_fbsd_device, pm_aix_device, pm_dump; +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; +int pci_fill_info_v38(struct pci_dev *, int flags) VERSIONED_ABI; -#ifdef __GNUC__ -#define UNUSED __attribute__((unused)) -#else -#define UNUSED -#define inline -#endif +static inline int want_fill(struct pci_dev *d, unsigned want_fields, unsigned int try_fields) +{ + want_fields &= try_fields; + if ((d->known_fields & want_fields) == want_fields) + return 0; + else + { + d->known_fields |= try_fields; + return 1; + } +} + +static inline void clear_fill(struct pci_dev *d, unsigned clear_fields) +{ + d->known_fields &= ~clear_fields; +} + +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 */ +void 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, + pm_mmio_conf1, pm_mmio_conf1_ext, pm_ecam, + pm_win32_cfgmgr32, pm_win32_kldbg, pm_win32_sysdbg;