TODO

   1 - review class names
   2
   3 DNS mode:
   4 - races when writing cache
   5 - update man pages
   6 - check negative caching
   7 - check network errors
   8
   9 Capabilities with partial decoding:
  10 - PCIe 2nd set of control/status registers (have spec)
  11 - HyperTransport caps (have spec)
  12
  13 Capabilities with no decoding:
  14 - VPD (have spec)
  15 - CompactPCI hot-swap
  16 - CompactPCI central resource control
  17 - AGP3
  18 - Secure device
  19 - SATA HBA (have spec)
  20 - Advanced features (have spec)
  21 - Advanced Error Reporting (ext'd)
  22 - Virtual Channel (ext'd)
  23 - Power Budgeting (ext'd)
  24 - Root Complex * (ext'd)
  25 - Multi-Function Virtual Channel (ext'd)
  26 - Root Bridge Control Block (ext'd)
  27 - Access Controls (ext'd)
  28
  29 PCIIDS:
  30 - delete old DB at SF