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 v2+
   7  *
   8  *      SPDX-License-Identifier: GPL-2.0-or-later
   9  */
  10
  11 #define PCIUTILS_LSPCI
  12 #include "pciutils.h"
  13
  14 /*
  15  *  If we aren't being compiled by GCC, use xmalloc() instead of alloca().
  16  *  This increases our memory footprint, but only slightly since we don't
  17  *  use alloca() much.
  18  */
  19 #if defined (__FreeBSD__) || defined (__NetBSD__) || defined (__OpenBSD__) || defined (__DragonFly__) || defined (__DJGPP__)
  20 /* alloca() is defined in stdlib.h */
  21 #elif defined(__GNUC__) && !defined(PCI_OS_WINDOWS)
  22 #include <alloca.h>
  23 #else
  24 #undef alloca
  25 #define alloca xmalloc
  26 #endif
  27
  28 /*** Options ***/
  29
  30 extern int verbose;
  31 extern struct pci_filter filter;
  32 extern char *opt_pcimap;
  33
  34 /*** PCI devices and access to their config space ***/
  35
  36 struct device {
  37   struct device *next;
  38   struct pci_dev *dev;
  39   /* Bus topology calculated by grow_tree() */
  40   struct device *bus_next;
  41   struct bus *parent_bus;
  42   struct bridge *bridge;
  43   /* Cache */
  44   int no_config_access;
  45   unsigned int config_cached, config_bufsize;
  46   byte *config;                         /* Cached configuration space data */
  47   byte *present;                        /* Maps which configuration bytes are present */
  48 };
  49
  50 extern struct device *first_dev;
  51 extern struct pci_access *pacc;
  52
  53 struct device *scan_device(struct pci_dev *p);
  54 void show_device(struct device *d);
  55
  56 int config_fetch(struct device *d, unsigned int pos, unsigned int len);
  57 u32 get_conf_long(struct device *d, unsigned int pos);
  58 word get_conf_word(struct device *d, unsigned int pos);
  59 byte get_conf_byte(struct device *d, unsigned int pos);
  60
  61 /* Useful macros for decoding of bits and bit fields */
  62
  63 #define FLAG(x,y) ((x & y) ? '+' : '-')
  64 #define BITS(x,at,width) (((x) >> (at)) & ((1 << (width)) - 1))
  65 #define TABLE(tab,x,buf) ((x) < sizeof(tab)/sizeof((tab)[0]) ? (tab)[x] : (sprintf((buf), "??%d", (x)), (buf)))
  66
  67 /* ls-vpd.c */
  68
  69 void cap_vpd(struct device *d);
  70
  71 /* ls-caps.c */
  72
  73 void show_caps(struct device *d, int where);
  74
  75 /* ls-ecaps.c */
  76
  77 void show_ext_caps(struct device *d, int type);
  78
  79 /* ls-caps-vendor.c */
  80
  81 void show_vendor_caps(struct device *d, int where, int cap);
  82
  83 /* ls-kernel.c */
  84
  85 void show_kernel_machine(struct device *d UNUSED);
  86 void show_kernel(struct device *d UNUSED);
  87 void show_kernel_cleanup(void);
  88
  89 /* ls-tree.c */
  90
  91 struct bridge {
  92   struct bridge *chain;                 /* Single-linked list of bridges */
  93   struct bridge *next, *prev, *child;   /* Tree of bridges */
  94   struct bus *first_bus, *last_bus;     /* List of buses connected to this bridge */
  95   unsigned int domain;
  96   unsigned int primary, secondary, subordinate; /* Bus numbers */
  97   struct device *br_dev;
  98 };
  99
 100 struct bus {
 101   unsigned int domain;
 102   unsigned int number;
 103   struct bus *sibling;
 104   struct bridge *parent_bridge;
 105   struct device *first_dev, **last_dev;
 106 };
 107
 108 extern struct bridge host_bridge;
 109
 110 void grow_tree(void);
 111 void show_forest(struct pci_filter *filter);
 112
 113 /* ls-map.c */
 114
 115 void map_the_bus(void);