lib/names.h

   1 /*
   2  *      The PCI Library -- ID to Name Translation
   3  *
   4  *      Copyright (c) 1997--2008 Martin Mares <mj@ucw.cz>
   5  *
   6  *      Can be freely distributed and used under the terms of the GNU GPL.
   7  */
   8
   9 #define MAX_LINE 1024
  10
  11 /* names-hash.c */
  12
  13 struct id_entry {
  14   struct id_entry *next;
  15   u32 id12, id34;
  16   byte cat;
  17   byte src;
  18   char name[1];
  19 };
  20
  21 enum id_entry_type {
  22   ID_UNKNOWN,
  23   ID_VENDOR,
  24   ID_DEVICE,
  25   ID_SUBSYSTEM,
  26   ID_GEN_SUBSYSTEM,
  27   ID_CLASS,
  28   ID_SUBCLASS,
  29   ID_PROGIF
  30 };
  31
  32 enum id_entry_src {
  33   SRC_UNKNOWN,
  34   SRC_CACHE,
  35   SRC_NET,
  36   SRC_LOCAL,
  37 };
  38
  39 #define BUCKET_SIZE 8192
  40 #define HASH_SIZE 4099
  41
  42 static inline u32 id_pair(unsigned int x, unsigned int y)
  43 {
  44   return ((x << 16) | y);
  45 }
  46
  47 static inline unsigned int pair_first(unsigned int x)
  48 {
  49   return (x >> 16) & 0xffff;
  50 }
  51
  52 static inline unsigned int pair_second(unsigned int x)
  53 {
  54   return x & 0xffff;
  55 }
  56
  57 int pci_id_insert(struct pci_access *a, int cat, int id1, int id2, int id3, int id4, char *text, enum id_entry_src src);
  58 char *pci_id_lookup(struct pci_access *a, int flags, int cat, int id1, int id2, int id3, int id4);
  59
  60 /* names-cache.c */
  61
  62 int pci_id_cache_load(struct pci_access *a, int flags);
  63 void pci_id_cache_dirty(struct pci_access *a);
  64 void pci_id_cache_flush(struct pci_access *a);
  65 void pci_id_hash_free(struct pci_access *a);
  66
  67 /* names-dns.c */
  68
  69 char *pci_id_net_lookup(struct pci_access *a, int cat, int id1, int id2, int id3, int id4);