arch/x86/pci/bus_numa.h

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