lspci.h

   1 /*
   2  *      The PCI Utilities -- List All PCI Devices
   3  *
   4  *      Copyright (c) 1997--2018 Martin Mares <mj@ucw.cz>
   5  *
   6  *      Can be freely distributed and used under the terms of the GNU GPL.
   7  */
   8
   9 #define PCIUTILS_LSPCI
  10 #include "pciutils.h"
  11
  12 /*
  13  *  If we aren't being compiled by GCC, use xmalloc() instead of alloca().
  14  *  This increases our memory footprint, but only slightly since we don't
  15  *  use alloca() much.
  16  */
  17 #if defined (__FreeBSD__) || defined (__NetBSD__) || defined (__OpenBSD__) || defined (__DragonFly__) || defined (__DJGPP__)
  18 /* alloca() is defined in stdlib.h */
  19 #elif defined(__GNUC__) && !defined(PCI_OS_WINDOWS)
  20 #include <alloca.h>
  21 #else
  22 #undef alloca
  23 #define alloca xmalloc
  24 #endif
  25
  26 /*** Options ***/
  27
  28 extern int verbose;
  29 extern struct pci_filter filter;
  30 extern char *opt_pcimap;
  31
  32 /*** PCI devices and access to their config space ***/
  33
  34 struct device {
  35   struct device *next;
  36   struct pci_dev *dev;
  37   /* Bus topology calculated by grow_tree() */
  38   struct device *bus_next;
  39   struct bus *parent_bus;
  40   struct bridge *bridge;
  41   /* Cache */
  42   unsigned int config_cached, config_bufsize;
  43   byte *config;                         /* Cached configuration space data */
  44   byte *present;                        /* Maps which configuration bytes are present */
  45 };
  46
  47 extern struct device *first_dev;
  48 extern struct pci_access *pacc;
  49
  50 struct device *scan_device(struct pci_dev *p);
  51 void show_device(struct device *d);
  52
  53 int config_fetch(struct device *d, unsigned int pos, unsigned int len);
  54 u32 get_conf_long(struct device *d, unsigned int pos);
  55 word get_conf_word(struct device *d, unsigned int pos);
  56 byte get_conf_byte(struct device *d, unsigned int pos);
  57
  58 void get_subid(struct device *d, word *subvp, word *subdp);
  59
  60 /* Useful macros for decoding of bits and bit fields */
  61
  62 #define FLAG(x,y) ((x & y) ? '+' : '-')
  63 #define BITS(x,at,width) (((x) >> (at)) & ((1 << (width)) - 1))
  64 #define TABLE(tab,x,buf) ((x) < sizeof(tab)/sizeof((tab)[0]) ? (tab)[x] : (sprintf((buf), "??%d", (x)), (buf)))
  65
  66 /* ls-vpd.c */
  67
  68 void cap_vpd(struct device *d);
  69
  70 /* ls-caps.c */
  71
  72 void show_caps(struct device *d, int where);
  73
  74 /* ls-ecaps.c */
  75
  76 void show_ext_caps(struct device *d, int type);
  77
  78 /* ls-caps-vendor.c */
  79
  80 void show_vendor_caps(struct device *d, int where, int cap);
  81
  82 /* ls-kernel.c */
  83
  84 void show_kernel_machine(struct device *d UNUSED);
  85 void show_kernel(struct device *d UNUSED);
  86 void show_kernel_cleanup(void);
  87
  88 /* ls-tree.c */
  89
  90 struct bridge {
  91   struct bridge *chain;                 /* Single-linked list of bridges */
  92   struct bridge *next, *child;          /* Tree of bridges */
  93   struct bus *first_bus;                /* List of buses connected to this bridge */
  94   unsigned int domain;
  95   unsigned int primary, secondary, subordinate; /* Bus numbers */
  96   struct device *br_dev;
  97 };
  98
  99 struct bus {
 100   unsigned int domain;
 101   unsigned int number;
 102   struct bus *sibling;
 103   struct bridge *parent_bridge;
 104   struct device *first_dev, **last_dev;
 105 };
 106
 107 extern struct bridge host_bridge;
 108
 109 void grow_tree(void);
 110 void show_forest(struct pci_filter *filter);
 111
 112 /* ls-map.c */
 113
 114 void map_the_bus(void);