/*
- * The PCI Library -- Internal Include File
+ * The PCI Library -- Internal Stuff
*
- * Copyright (c) 1997--2003 Martin Mares <mj@ucw.cz>
+ * Copyright (c) 1997--2022 Martin Mares <mj@ucw.cz>
*
- * Can be freely distributed and used under the terms of the GNU GPL.
+ * Can be freely distributed and used under the terms of the GNU GPL v2+
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
*/
-#include "pci.h"
-
-#ifdef __GNUC__
-#define UNUSED __attribute__((unused))
+#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
-#define UNUSED
-#define inline
-#endif
-
-#ifdef HAVE_PM_LINUX_BYTEORDER_H
-
-#include <asm/byteorder.h>
-#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
-
+#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
-
-#ifdef OS_LINUX
-#include <endian.h>
-#define BYTE_ORDER __BYTE_ORDER
-#define BIG_ENDIAN __BIG_ENDIAN
+#define SYMBOL_VERSION(_int, _ext) asm(".symver " #_int "," #_ext)
#endif
-
-#ifdef OS_FREEBSD
-#include <sys/types.h>
#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 *);
+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;
+
+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_syscalls, pm_fbsd_device, pm_aix_device, pm_nbsd_libpci, pm_dump;
+ 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;
projects / pciutils.git / blobdiff