arch/x86/pci/bus_numa.h

   1 #ifdef CONFIG_X86_64
   2
   3 /*
   4  * sub bus (transparent) will use entres from 3 to store extra from
   5  * root, so need to make sure we have enought slot there, Should we
   6  * increase PCI_BUS_NUM_RESOURCES?
   7  */
   8 #define RES_NUM 16
   9 struct pci_root_info {
  10         char name[12];
  11         unsigned int res_num;
  12         struct resource res[RES_NUM];
  13         int bus_min;
  14         int bus_max;
  15         int node;
  16         int link;
  17 };
  18
  19 /* 4 at this time, it may become to 32 */
  20 #define PCI_ROOT_NR 4
  21 extern int pci_root_num;
  22 extern struct pci_root_info pci_root_info[PCI_ROOT_NR];
  23
  24 extern void update_res(struct pci_root_info *info, size_t start,
  25                               size_t end, unsigned long flags, int merge);
  26 #endif