#ifndef PCI_UTILS_H#define PCI_UTILS_H 1/* * *  General PCI utilities. * *  Copyright (c) 1999 Richard J.M. Close *  Copyright (c) 1999 Pavel Machek <pavel@suse.cz> *  Copyright (c) 1999 Jamie Lokier * *  Can be freely distributed and used under the terms of the GNU GPL. */#include <stdlib.h>#include <stdio.h>#include <string.h>#include <unistd.h>#include <ctype.h>#include "stdbool.h"#include "lib/pci.h"#include "pciutils.h"/******************************************************************************** PCI utilities.********************************************************************************//* Format strings used for IRQ numbers and memory addresses */#ifdef ARCH_SPARC64#define IRQ_FORMAT "%08x"#else#define IRQ_FORMAT "%d"#endif#ifdef HAVE_64BIT_ADDRESS#define ADDR_FORMAT "%016Lx"#else#define ADDR_FORMAT "%08lx"#endif#ifdef ARCH_SPARC64#define IO_FORMAT "%016Lx"#elif defined(HAVE_64BIT_ADDRESS)#define IO_FORMAT "%04Lx"#else#define IO_FORMAT "%04lx"#endif/* Communication with libpci */struct pci_access *pacc;/* Our view of the PCI bus */struct device *first_dev;struct device *modem_dev;bool modem_found;			// Boolean: modem has been found./* Array to hold IO addresses and their width (in bytes). */unsigned int io_address[6];unsigned int io_length[6];/* The number of I/O ports found, = length of io_address. */unsigned int io_cnt;struct device {  struct device *next;  struct pci_dev *dev;  unsigned int config_cnt;  unsigned char config[256];};struct bus {  unsigned int number;  struct bus *sibling;  struct device *first_dev, **last_dev;};/* Tree output */struct bridge {  struct bridge *chain;			/* Single-linked list of bridges */  struct bridge *next, *child;		/* Tree of bridges */  struct bus *first_bus;		/* List of busses connected to this bridge */  unsigned int primary, secondary, subordinate;	/* Bus numbers */  struct device *br_dev;};struct pci_filter filter;	/* Device filter */int buscentric_view;		/* Show bus addresses/IRQ's instead of CPU-visible ones */void init_pci(void);void cleanup_pci (void);unsigned int get_pcimodem_irq (void);/* general scanning stuff. */struct device *scan_device(struct pci_dev *p);voidscan_devices(void);intcheck_root(void);intconfig_fetch(struct device *d, unsigned int pos, unsigned int len);/* Config space accesses */inline unsigned charget_conf_byte(struct device *d, unsigned int pos);wordget_conf_word(struct device *d, unsigned int pos);unsigned longget_conf_long(struct device *d, unsigned int pos);/* Count used to access bases of htype0 devices. */int htype0_cnt;/* Sorting */intcompare_them(const void *A, const void *B);voidsort_them(void);/* Normal output */#define FLAG(x,y) ((x & y) ? '+' : '-')voidshow_bases(struct device *d, int cnt);voidshow_htype0(struct device *d);struct bus *find_bus(struct bridge *b, unsigned int n);struct bus *new_bus(struct bridge *b, unsigned int n);voidinsert_dev(struct device *d, struct bridge *b);/* Bus mapping mode */struct bus_bridge {  struct bus_bridge *next;  unsigned char this, dev, func, first, last, bug;};struct bus_info {  unsigned char exists;  unsigned char guestbook;  struct bus_bridge *bridges, *via;};struct bus_info *bus_info;void do_map_bridges(int bus, int min, int max);/*  Show hexadecimal dump of first 64 bytes of the PCI configuration space    (the standard header). */void show_pcihex_dump(struct device *d);void redisplay_modem_regs(void);/* Interactively set the control register. */void set_modem_cont_reg(void);/* Lucent modem specific stuff. */int find_modem(void);void show_pcimodem(void);#endif