/*

 *	The PCI Utilities -- List All PCI Devices

 *

 *	Copyright (c) 1997--2018 Martin Mares <mj@ucw.cz>

 *

 *	Can be freely distributed and used under the terms of the GNU GPL.

 */

#define PCIUTILS_LSPCI

#include "pciutils.h"

/*

 *  If we aren't being compiled by GCC, use xmalloc() instead of alloca().

 *  This increases our memory footprint, but only slightly since we don't

 *  use alloca() much.

 */

#if defined (__FreeBSD__) || defined (__NetBSD__) || defined (__OpenBSD__) || defined (__DragonFly__) || defined (__DJGPP__)

/* alloca() is defined in stdlib.h */

#elif defined(__GNUC__) && !defined(PCI_OS_WINDOWS)

#include <alloca.h>

#else

#undef alloca

#define alloca xmalloc

#endif

/*** Options ***/

extern int verbose;

extern struct pci_filter filter;

extern char *opt_pcimap;

/*** PCI devices and access to their config space ***/

struct device {

  struct device *next;

  struct pci_dev *dev;

  /* Bus topology calculated by grow_tree() */

  struct device *bus_next;

  struct bus *parent_bus;

  struct bridge *bridge;

  /* Cache */

  unsigned int config_cached, config_bufsize;

  byte *config;				/* Cached configuration space data */

  byte *present;			/* Maps which configuration bytes are present */

};

extern struct device *first_dev;

extern struct pci_access *pacc;

struct device *scan_device(struct pci_dev *p);

void show_device(struct device *d);

int config_fetch(struct device *d, unsigned int pos, unsigned int len);

u32 get_conf_long(struct device *d, unsigned int pos);

word get_conf_word(struct device *d, unsigned int pos);

byte get_conf_byte(struct device *d, unsigned int pos);

void get_subid(struct device *d, word *subvp, word *subdp);

/* Useful macros for decoding of bits and bit fields */

#define FLAG(x,y) ((x & y) ? '+' : '-')

#define BITS(x,at,width) (((x) >> (at)) & ((1 << (width)) - 1))

#define TABLE(tab,x,buf) ((x) < sizeof(tab)/sizeof((tab)[0]) ? (tab)[x] : (sprintf((buf), "??%d", (x)), (buf)))

/* ls-vpd.c */

void cap_vpd(struct device *d);

/* ls-caps.c */

void show_caps(struct device *d, int where);

/* ls-ecaps.c */

void show_ext_caps(struct device *d, int type);

/* ls-caps-vendor.c */

void show_vendor_caps(struct device *d, int where, int cap);

/* ls-kernel.c */

void show_kernel_machine(struct device *d UNUSED);

void show_kernel(struct device *d UNUSED);

void show_kernel_cleanup(void);

/* ls-tree.c */

struct bridge {

  struct bridge *chain;			/* Single-linked list of bridges */

  struct bridge *next, *child;		/* Tree of bridges */

  struct bus *first_bus;		/* List of buses connected to this bridge */

  unsigned int domain;

  unsigned int primary, secondary, subordinate;	/* Bus numbers */

  struct device *br_dev;

};

struct bus {

  unsigned int domain;

  unsigned int number;

  struct bus *sibling;

  struct bridge *parent_bridge;

  struct device *first_dev, **last_dev;

};

extern struct bridge host_bridge;

void grow_tree(void);

void show_forest(struct pci_filter *filter);

/* ls-map.c */

void map_the_bus(void);